3.a3 b6 4.Nf3 c5 5.d3 Nc6 6.Nbd2 cb4=+ 7.ab4 Nb4 8.g3 Nf6 9.Bg2 Bd6 10.0–0 0–0 11.Bc3 Bb7 12.Qb1 Nc6 13.Qb2 a5 14.Bf6 Qf6 15.Qf6 gf6 16.Rfb1 Bc7 17.c4 Ba6 18.cd5+= ed5 19.Nh4 Rfd8–/+ 20.Nf5 Ne5?? 21.Ne7+– Kf8 22.Nd5 Rac8 23.Nc7 Rc7 24.Rb6 Bc8 25.Rf6 Re7 26.Kf1 Ng4 27.Rb6 Nh2 28.Ke1 Ra7 29.Nc4 a4 30.Rh6 Ng4 31.Rh7 Kg8 32.Rh4 Nf6 33.Bc6 Bb7 34.Bb7 Rb7 35.Ra4 Nd5 36.Kd2 Rdb8 37.e4 Nb4 38.Kc3 Nc6 39.Nd2 Rc7 40.Rc4 Na7 41.Rc7 Nb5 42.Kc2 Nc7 43.Nc4 Ne6 44.f4 Nd4 45.Kd1 Rb3 46.Rg4 Kf8 47.Kd2 Nf3 48.Ke3 Ne1 49.Ne5 Ng2 50.Kf2 Rb2 51.Kf3 Ne1 52.Ke3 Nc2 53.Kd2 Nb4 54.Kc3 (54...Rb1 55.Rg5+–) 1–0. MikeMcC – Reynier, ChessWorld.net, 2004.

3.a3 c6 4.e3 Nd7 5.c4 Nb6 6.d4 dc4 7.Qc2 Nf6 8.Bc4 Nfd7 9.Nd2 Nf6 10.Ngf3 Bd6 11.0–0 Ke7 12.Ba2 Nfd5 13.Rac1 Qd7 14.Ne4 Bc7 15.Nc5 Qd6 16.g3 1–0. mgriffin (1620) – veerswan, net–chess.com, 2001.

3.a3 Nd7 4.b5 Ngf6 5.e3 g6 6.Nf3 Bg7 7.Be2 b6 8.d3 0–0 9.0–0 Bb7 10.Nbd2 Rc8 11.c4 c5 12.Qc2 Qc7 13.a4 Ne8 14.Bg7 Ng7 15.Rac1 Ne5 16.cd5 ed5 17.Qb2 Nf3 18.Nf3 Ne6 19.Nd4?? Qe5–+ 20.Qa1 cd4 21.ed4 Nd4 22.Bd1 Qf4 23.Rc8 Rc8 24.g3 Qe5 25.Bg4 f5 26.Re1 Qg7 27.Bd1 h6 28.Qa3 Rc5 29.a5 Nb5 30.Qa4 Bc6 31.ab6 ab6 32.Qf4 Kh7 33.Bf3 Nd4 34.Be2 Rc2 35.Qb8 Re2 36.Rc1 Rc2 37.Ra1 Rc1 38.Rc1 Ne2 39.Kh1 Nc1 40.Qb6 0–1. Satka,Martin – Schultchen,Hermann (1690), 7sen.LSEM Brandenburg, 1999.

3.a3 Qe7 4.e3 Nh6 5.c4 dc4 6.Bc4 Nf5 7.Nc3 Nc6 8.Nf3+= f6 9.0–0 Ne5 10.Ne5 fe5 11.Qh5 g6 12.Qe2 Bd7 13.Bb5 0–0–0 14.Bd7 Qd7 15.Rad1 Nh4 16.Nb5 Kb8?? 17.Be5+– Rc8 18.Bh8 c6 19.Bf6 Nf5 20.Nd4 e5 21.Be5 Nd6 22.Bd6 Qd6 23.Qf3 Qe5 24.Rc1 Bd6 25.Qg3 h5 26.Qe5 Be5 27.Rc5 Bd6 28.Rc3 b5 29.Rfc1 Be5 30.Rc6 Rc6 31.Rc6 Kb7 32.Rg6 Bd4 33.ed4 h4 34.f4 a6 35.f5 h3 36.f6 a5 37.f7 hg2 38.f8Q ab4 39.Qf7 Ka8 40.Rg8 1–0. rommeltdf (1780) – kpratt, net–chess.com, 2002.

3.a3 Be7 4.Bg7 Bf6 5.Bh8 Bh8 6.d4 Ne7 7.Nf3 (7...Ng6 8.e3+–) 1–0. composite – topalov2700 Kid, ChessWorld.net, 2008.

3.a3 Ne7 4.Nf3 Nf5 5.e3 Be7 6.g4 (6.d4 a5=) 6...Nh6?? (Better is 6...Bf6 7.Bf6 Qf6=) 7.Bg7+– (7...Bf6 8.Bh8 Bh8 9.d4+–) 1–0. Wall,Bill – Elikkile, Internet, 2003.

3.a3 Qg5 4.Nf3 Qd8 5.e3 Nc6 6.Be2 Bd7 (7.Nc3 Nf6+=; 6...Nf6 7.b5 Na5 8.Bc3+=). marcosr – islanderfan (1640), net–chess.com, 2005.

3.a3 h6 4.Nf3 a6 5.e3 Nc6 6.c4 Bd7 7.d4 a5 8.b5 Nb8 9.Bd3 c6 10.Ne5 f6?? 11.Ng6 Rh7 12.Nf8 (12...Kf8 13.Bh7 dc4 14.bc6 Bc6 15.0–0+–; better is 12.Qh5 Qc8 13.Nf4 g6 14.Bg6 Kd8 15.Bh7 Ne7+–) 1–0. Wall,Bill – Trad M, internet, 2005.

3.b5 Bd6 4.Bg7 Nf6 (4...Be5 5.Be5 Nf6 6.Nf3+–) 5.Bh8 Be5 (5...Nbd7 6.Nf3+–) 6.Bf6 (6.Nc3!? Nbd7+–) 6...Qf6 7.c3 Nd7 8.d4 Bf4 9.e3 Bh6 10.Qd3 e5 11.Qh7 ed4 12.cd4 Nf8 13.Nf3 Bf5?? 14.Nc3 Bh7–+ 15.Nd5 Qd6 16.Bc4 Be4 17.Nc7 Qc7 18.Rc1 Qa5 19.Ke2 Bf3 20.gf3 Ne6 21.Rhg1 Qb4 22.Rg8 Bf8 23.Kf1 Qb2 24.Rd1 Qc3 25.Bb3 Rc8 26.d5 Nc5 27.d6 Nd7 28.Rg4 Ne5 29.Re4 f6 30.d7+– Kd8? 31.f4 Rc7 32.fe5–/+ fe5 33.Be6?? a6 34.ba6 ba6 35.Rg4 Qc5 36.Rb1 Rd7 37.Rb8? Kc7–+ 38.Rgb4?? Rd1 39.Kg2 Qc6 40.Kg3 Rg1 41.Kh4 Be7 42.Kh5 Qf3 43.Kh6 Bg5 44.Kg7 Be7 45.Kh6 Bb4 46.Rb4 Qf6 47.Kh5 Qh8# 0–1. MasterofDisaster – pacificink, Live Game Caissa's Web, 2004.

3.b5 Nd7 4.Nf3 a6 (4...Ngf6 5.e3=+) 5.e3 ab5 (5...Ngf6 6.ba6 ba6 7.Nd4=+) 6.Bb5 c6 7.Be2 Qb6 (7...Ngf6 8.0–0=) 8.Qc1 Ra5 9.0–0 h6 10.d4 Ngf6 11.c4 Qa6 12.a3 Ne4 13.Nbd2 Ndf6 14.Ne5 Nd2 15.Qd2+/– Ne4 16.Qc2 Qa7 17.a4 Bd6 18.f3 Ng5 19.Bc3 Be5 20.Ba5 Bh2 21.Kh2 Qa5 22.Rab1 Qc7 23.Kh1 0–0 24.Bd3 f5 25.Qc3 b6 26.f4 Nf7 27.Qb4 g5? 28.Qb6 Qb6 29.Rb6 Bd7 30.cd5 cd5 31.Rc1 Ra8 32.Rc7 Rd8 33.a5 g4 34.a6 1–0. Benussi,Alberto – Loewe,Peter, CiF CP1–95–0213A, 1995.

3.b5 f5 4.e3 Nf6 5.Nf3 Bd6 6.Nd4 0–0 7.c4 c6 8.Qb3 e5 9.Nf3 Nbd7 10.Nc3 Nc5 11.Qc2 Qe7 12.Be2 Be6 13.0–0 dc4–/+ 14.Nh4 Nd5 15.Nd5 cd5 16.Nf3 Bd7 17.a4 b6 18.d4? Nb3 19.de5=+ Na1 20.ed6 Qd6?? 21.Ba1 Rae8 22.Qc3 Qf6 23.Qf6 gf6 24.Nd4 a6 25.ba6 Ba4 26.Nf5 Ra8 27.Ne7 Kf7 28.Nd5 Ra6 29.Bc4 Ra5 30.Nf4 (30...Ke8 31.Bd4+–; better is 30.Nb6 Kg7 31.Bc3 Rc5+–) 1–0. MasterofDisaster – henrigrob31, Live Game Caissa's Web, 2005.

3.c3 a6 4.Nf3= Nf6 5.d4 (5.e3 Bd6=+) 5...Nbd7 (5...Bd6 6.Ne5=+) 6.e3 Bd6 7.Be2 0–0 8.0–0 b6 9.Qc2 Bb7 10.Nbd2 Re8 11.a3 e5 (11...c5 12.dc5 bc5 13.Rfd1=) 12.de5 ½–½. Woschkat,Karl_Heinz – Erler,Ekkehard, CiF FT–95–0038A, 1995.

3.c3 Na6 4.e3 Nf6 5.Nf3 Bd6 6.Ba3 0–0 7.Qc2 g6 8.b5= Nc5 9.c4 Nfe4? 10.Bd3?? Qf6 11.Bb2?? Be5 12.Be5+– Qf5 13.Bc7 Nd3 14.Qd3 Nc5 15.Qf5 ef5 16.cd5 Nd3 17.Ke2 Nc5 18.Bd6 Nd7 19.Bf8 Kf8 20.Nc3 Nb6 21.d3 f6 22.Rhc1 Nd7 23.a4 b6 24.e4 fe4 25.de4 Nc5 26.a5 ba5 27.Nd4 Bd7 28.Ra5 Re8 29.f3 f5 30.Ra7 fe4 31.fe4 Bg4 32.Ke3 Kg8 33.b6 Rb8 34.Rb1 Nb7 35.Nc6 Nc5 36.Nb8 1–0. stefankluin – cityelec, net–chess.com, 2003.

3.c3 c5 4.bc5 Bc5 5.e3 Nf6 6.Bb5 Bd7 7.Bd7 Nbd7 8.Nf3 Qb6 9.0–0?? Qb2–+ 10.Na3 Qa3 11.d4 Be7 12.h3 0–0 13.Qc1 Qa5 14.Qd2 b5 15.Ne5 Ne5 16.de5 Ne4 17.Qc2 Qc3 18.Qc3 Nc3 19.a3 a5 20.Rfe1 b4 21.ab4 ab4 22.Ra8 Ra8 23.Kf1 b3 (24.Rb1 Nb1–+) 0–1. C_Artist_Think – fiddler, chessHere.com, 2006.

3.c3 e5 4.Nf3 Bd6 5.c4 dc4 6.Ne5 = (6.Be5 Be5 7.Ne5 Qf6–/+).

3.Nc3 c6 4.e3 Bb4 5.Qe2 Nf6 6.a3 Bc3 7.Bc3 Bd7 8.Nf3 Na6 9.Bf6 Qf6 10.g3?? Qa1–+ 11.Qd1 Qa3 12.Ne5 f6 13.Nd7 Kd7 14.Bd3 g5 15.0–0 h5 16.Be2 h4 17.gh4 Rh4 18.Bh5 Rh8 19.Bf3 Rh2 20.Bg4 Rh1 21.Kg2 R1h2 22.Kg3?? f5–+ 23.Be2 R8h3# 0–1. ajeffries (1645) – sburritt, net–chess.com, 2006.

3.c4 b6 4.e3 Nf6 5.b5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6 5.c4).

3.c4 f5?! 4.e3 Nf6 5.b5 c5 6.Nf3 Bd6 7.Qb3 b6 8.d4 Bb7 9.Nbd2 0–0 10.Be2 Nbd7 11.0–0 Rc8 12.Rac1 Qe7 13.h3 Kh8 14.Ne5 Be5 15.de5 Ne4 16.Qd3 Rcd8 17.f3!? dc4 18.Nc4 Ne5 19.Be5!? (19.Qc2?!) 19...Rd3 20.Bd3 Ng5? (20...Rd8 21.fe4 Rd3 22.ef5 ef5 =) 21.Bd6 Qd7? 22.Bf8 Qd3 23.Be7!! 1–0 (23...h6? 24.Bg5 hg 25.Rfd1 Qe2 26.Rd2; 23...Nf3 24.gf f4 25.e4! Qd7 26.Bd6). Sander – Radieske, corr DDR–H–310 1988 (Sander).

3.d3 d4 4.a3 g6 5.Nf3 Bg7 6.c4 h6 7.Nbd2 Ne7 8.Nb3 e5 9.e3 0–0 10.ed4+/– ed4 11.Bd4 Bd4 12.Nfd4 Re8 13.Be2 b6 14.0–0 c5? 15.Bf3+– Nec6 16.Nc6 Nc6 17.Bc6 Qg5 18.Ba8 Bh3 19.Bf3 cb4 20.ab4 a5 21.Re1 Rd8 22.g3 ab4 23.Ra8 Ra8 24.Ba8 Kg7 25.Qa1 Kh7 26.Re8 f6 27.Qa7 (27...Bd7 28.Qd7) 1–0. chessforces (1610) – maf, net–chess.com, 2001.

3.d3 Nf6 4.e4 de4 5.Nc3 Bg4 6.Be2 Be2 7.Qe2 e5 8.de4 Bb4 9.Nf3 Nc6 10.Ng5 0–0 11.0–0 Bc5 12.Nd5 Nd5 13.ed5 Qd5 14.Rad1 Nd4 15.Bd4 ed4 16.Qh5 Qf5 17.g4 Qc2?? (Better is 17...Qg6–+) 18.Rc1+/– Qa2?? (Better is 18...Qg6 19.Qg6 hg6 20.Rc5 c6+/–) 19.Qh7# (19.Rc5?! h6 20.Nf3 Rad8+=) 1–0. TD_6 – babylyub, ICS rated blitz match, 1998.

3.d4 Bb4 4.Nc3 Nf6 5.e3 Ne4 6.Qd3 (6.Nge2 Qh4 7.g3 Qf6–+) 6...0–0 (6...c5 7.Nge2 Qh4 8.g3–+) 7.Be2 (7.a3 Ba5–+) 7...Qg5 8.g3? Qf6 9.Nf3 Nd7 10.0–0–0?? Bc3 11.Bc3 Nf2 0–1. PoPer – Checkmates, Live Game Caissa's Web, 2004.

3.d4 b6 4.Nc3 Bb4–/+ 5.a3 Ba5 6.e3 Nc6 7.Bb5 Qd7 8.Nf3=+ a6?? 9.Bc6?? Qc6–/+ 10.Ne5?? Qd6 11.Nd3 f6 12.Qg4 g6 13.Nf4?? f5 14.Qg3 b5 15.Kd1 e5 16.Ncd5?? ef4–+ 17.Qf4 Qc6 18.Nc7?? Qc7 19.Qc7 Ne7?? 20.Qa5+– Bd7 21.Re1 Nc6 22.Qb6 0–0 23.Qb7 Rab8 24.Qd7 Na5 25.d5 Rbd8 26.Qe6 Rf7+– 27.Qa6 Nb7 28.Qb5 Nd6 29.Qb4 Kf8 30.Be5 Ke7 31.Qb6 Ne4 32.d6 Ke6 33.Qd8 Rf6 34.Bf6 Nf6 35.f4 Kd5 36.Qf6 Ke4 37.Qe5# (37.Qe6#) 1–0. ajeffries – mtacta, net–chess.com, 2006.

3.e3 Qd6 4.a3= a5 5.b5 Bd7 (5...Nd7 6.d4=) 6.Nf3+= f6 7.Nh4 (7.c4 e5+=) 7...Qc5 (7...Ne7 8.c4=) 8.Nc3 Qb6 9.Bd3 c6? 10.Qh5+– Kd8 11.Na4 Qc7 12.Ng6! Be8 13.Nf8 Bh5 14.Ne6 Kd7 15.Nac5 Kc8 16.Nc7 Kc7 17.Ne6 Kb6 18.Bd4 c5 19.Bc5# 1–0. Wall,Bill – Happy, Internet, 2004.

3.e3 Bd6?? 4.Bg7 Nc6 5.Bh8 f6 6.Qh5 Kd7 7.Qh7 (7...Nce7 8.a3+–) 1–0. Pierred (2250) – Goggi, Rated game, 5m + 0s, 2005.

3.e3 Qe7 4.a3 h5 5.Nf3 h4 6.Nc3 c6 7.d4 f6 8.Bd3 Qf7 9.0–0 h3 10.g3 g5 11.e4 g4 12.Nd2 de4 13.Nce4 f5 14.Nc5 b6 15.Ne6 Be6 16.d5 Rh6 17.de6 Re6 18.Bc4 c5 19.Be6 Qb7 20.f3 Nh6 21.Qe2 Nc6 22.Bd5 Be7 23.Qe6 Qa6 24.Bc6 1–0. Trkn – BABY HUEY, itsyourturn.com, 2001.

3.e3 Nh6 4.Nf3 Bb4?? 5.Bg7 Rg8 6.Bh6 Qf6 7.c3 Bc3 8.Nc3 Qh6 9.Qa4 Nc6 10.Bb5 Bd7 11.0–0 a6 12.Bc6 Bc6 13.Qh4 Qg6 14.Qg3 0–0–0 15.Qg6 Rg6 16.Ne5 Rg7 17.Nc6 bc6 18.d4 Rdg8 19.g3 h5 20.Rfb1 h4 21.Kg2 Rh7 22.Na4 hg3 23.fg3 Rg4 24.Nc5 f5 25.Rb7 Rg6 26.Rab1 Kd8 27.Na6 Rgh6 28.Rb8 Ke7 29.Rh1 Kf6 30.Nc5 e5 31.a4 f4 32.de5 Ke5 33.ef4 Kd4 34.Nb3 Kc4 35.Nd2 Kd3 36.Nf3 c5 37.Ng5 c4 38.Nh7 Rh7 39.f5 c3 40.g4 c2 41.g5 Re7 42.f6 Re2 43.Kf3 Kd2 44.Rb2 Re3 45.Kf4 Re4 46.Kf5 Kc3 47.Rb7 Rc4 48.f7 Kd2 49.f8Q 1–0. Trkn – griens, itsyourturn.com, 2000.

3.Nf3 c6 (–--> 1.b4 c6 2.Bb2 d5 3.Nf3 e6).

3.Nf3 Nd7 (–--> 1.b4 d5 2.Bb2 Nd7 3.Nf3 e6).

3.Nf3 Be7?? 4.Bg7+– Bf6 5.Bh8 Bh8 6.d4 Nc6 (6...Qd6 7.a3+–) 7.b5 Nd4 (7...Nce7+–) 8.Nd4 c5 (8...e5 9.Nb3 e4 10.Nd4+–) 9.bc6 bc6 10.Qd3 c5 11.Qh7 Bd4 12.Qg8 Ke7 13.Qd8 Kd8 14.c3 Be5 15.h4 d4 16.Na3 dc3 17.0–0–0 Ke7 18.Nc4 Bf6 19.h5 Ba6 20.e3 Bb5 21.Bd3 Ba4 22.Bc2 Bb5 23.Na5 Be2 24.Nc6 Kf8 25.Rd7 Kg7 26.h6 Kh8 27.Rf7 Bg5 28.Rh7 Kg8 29.Rg7 Kh8 30.Ne5 Bh6 31.Rg5 Rf8 32.Rh6# 1–0. kamret (2185) – srono1, GameColony.com, 2003.

3.Nf3 Ne7 4.d4 Ng6 5.a3 Rg8 6.e3 Bd7 7.c4 c6 8.cd5 cd5 9.Bd3 a5 10.0–0 ab4+= 11.ab4 Ra1 12.Ba1+/– Qb6 13.Qb3 Qb4 14.Qc2 Qb6 15.Nc3 Bd6 16.Rb1 Qc7 17.Nb5 Bb5= 18.Bb5 Nc6 19.Rc1 Nge7? 20.e4 de4 21.Qe4+/– f5? 22.Qd3 Kf7 23.Ne5?? Be5?? 24.de5= Rd8 25.Qf3 Qb6 26.Bc6 Nc6–/+ 27.g4 g6 28.gf5= Ne7?? 29.fg6 Kg6 30.Qf6 Kh5 31.Qe7 Rg8 32.Kh1 Rg6 33.Qh7 Rh6 34.Qf7 Rg6 35.Qf3 Kh6+– 36.Qf8 Kh5 37.Qf3 Kh6 38.Qf8 Kh5= 39.Qf3 (better is 39.h3+–) ½–½. M8IN3 – jeep2005, Live Game Caissa's Web, 2005.

3.Nf3 h6 4.e3 f6 (4...Nf6 5.a3=) 5.b5 Bd6 6.Nd4 Ne7 7.Qh5 Kf8 (7...g6 8.Qf3 e5 9.Nb3=+ (< 9.Qf6 Rf8 10.Qg7 ed4–+)) 8.Qd1 Kf7 9.Be2 Rf8 10.Bg4 f5 11.Bh5 Kg8 12.0–0 c6 13.a4 c5 14.Nf3 (14.Nb3 c4 15.Nc1 e5=+) 14...Bd7 15.Ne5= Be8 16.Be8 Qe8 17.c4 Be5 18.Be5 dc4 19.Nc3 Ng6 20.Bg3 Nd7 21.d3 cd3 22.Qd3 b6 23.f3 Nf6 24.e4 Rd8 25.Qc2 fe4 26.fe4 Rd4 27.e5 Nh5 28.Bf2 Rd8 29.Ne4 Ne5–/+ 30.Nd6?? Rd6–+ 31.Rad1 Rd1 32.Qd1 Nf6 33.Be3 Neg4 34.Bd2 Nd5 35.a5?? Rf1 36.Qf1 ba5 37.Ba5 Qf8 38.Qb1 Nge3 39.h3 Ne7 40.b6 ab6 41.Bb6 Ng6 42.Qc1 Qf1 43.Qf1 Nf1 44.Kf1 1–0. stoker – 350TT, Live Game Caissa's Web, 2004.

3.f4 Nc6 4.b5 Nce7 5.Nf3 Nf5 6.e3 Nf6 7.c4 dc4 8.Bc4 Be7 9.0–0 0–0 10.Re1 Nd6 11.Bf1 Bd7 12.a4 c5 (12...c6 13.Qb3=) 13.Nc3 b6 (13...Qa5 14.e4 c4 15.d4 cd3 16.Qd3+=) 14.Ba3 Nfe4 15.Ne4+/– Ne4 16.Bd3 Nf6 17.Bb2 h6 18.Ne5+/– Nd5 19.Qg4 Nf6 20.Qg3 Nh5 21.Qg4 Nf6 22.Qh3 Nh7 23.Ng4 f5 24.Ne5 Bf6 25.g4 Be5+= 26.Be5 Be8 27.gf5 Qd3 28.fe6?? Qg6 29.Qg3 Qg3 30.hg3 Nf6 31.f5? Bh5 32.e4 Rfd8 33.Ra2 Rd3 34.Re3 Rad8 35.Rd3= Rd3 36.Kh2?? Ng4–+ 37.Kh3 Ne5 38.Kh4 Be2 0–1. eds – shooin, Live Game Caissa's Web, 2004.

3.f4 Qd6 4.e3 Qb4 5.Ba3 Qa5 6.Bf8 Kf8 7.Nf3 Ne7 8.Bd3 c5 9.Ne5 f6–/+ 10.Ng4 Nbc6 11.0–0 c4 12.Be2 h5 13.Nf2 g6 14.e4 Kg7–/+ 15.d4 de4 16.Ne4 Qd5 17.Nbc3 Qd4 18.Qd4 Nd4 19.Bc4 Nc2 20.Nb5 Na1 (21.Ra1 e5–+) 0–1. Nilsson,Roland – Engberg,Peter, corr SSKK 2–776, 1993.

3.g3 c5 4.a3 cb4 5.ab4 Nf6 6.c3 Be7 7.Bg2 0–0= 8.Nf3 b5 9.0–0 Nc6=+ 10.d3 Qc7 11.Nbd2 Bb7 12.Rc1 Rac8 13.e4 Rfd8 14.e5 Ne5–/+ 15.Ne5 Qe5 16.Re1 Qc7 17.Nb3 a6 18.Na5 Ba8 19.Qe2 h6 20.c4? Bb4–+ 21.Bf6 Be1 22.Bd8= Qd8 23.Qe1+/– dc4 24.dc4 bc4 25.Ba8 Ra8 26.Nc4 (26...Rc8 27.Rd1+/–; 26.Nc6 Qd3+/–) 1–0. coloplayah (2150) – stormer (2210), net–chess.com, 2006.

3.g3 Bd7 4.Bg2 Bc6 5.a3 Nf6 6.Nf3 Nbd7 7.0–0 a6 8.Nd4 e5 9.Nc6 bc6 10.c4 Nb6 11.d3 Qd7 12.c5 Nc8 13.Be5 Ng4 14.Bb2 d4 15.h3 Nf6 16.Nd2 Be7 17.Bd4 Qd4 18.Bc6 1–0. Wall,Bill – Becca Lynne, Microsoft Gaming Zone, 2000.

3.h3 Bd7 4.e3 a6 5.Nf3= Bb4?? 6.Bg7+– Nf6 7.Bh8 Nc6 8.a3 Be7 9.Bf6 Bf6 10.d4 e5 11.c3 e4 12.Ne5 Ne5 13.de5 Be5 14.Qh5 Qf6 15.Ra2 0–0–0 16.g4?? Bc3= 17.Nc3 Qc3 18.Rd2 Qa3 19.Be2 Ba4 20.0–0+– Be8 21.Qh7 Qb4 22.Rfd1 Qe7 23.Qf5 Bd7 24.Qd5 Qe6 25.Qe6 fe6 26.h4 c6 27.g5 e5 28.h5 b5 29.g6 Kc7 30.g7 a5 31.Rd7! Rd7 32.Rd7 Kd7 33.g8Q Kc7 34.h6 Kb6 35.h7 a4 36.h8Q Ka5 37.Qa8 Kb4 38.Qe5 c5 39.Qb2# 1–0. ChessNo1 – Tricky Rabbitt, ChessWorld.net, 2005.

3.h3 Nf6 4.a3 =+.

3.Nh3 Qd6 4.a3 Bd7 (4...e5 5.Ng5=+) 5.g3 (5.e3 e5=) 5...Bb5 (5...a5 6.ba5 e5 7.d4 ed4 8.Qd4=+) 6.Bg2 Nc6 (6...Bc6 7.Nc3=) 7.0–0 (7.a4 Be2 8.Qe2 Qb4+–) 7...0–0–0 (Better is 7...Ne5=) 8.a4+– Bc4 (8...Be2 9.Qe2 Qb4 10.Bc3+–) 9.d3 (Better is 9.b5!?+–) 9...Qb4–/+ 10.Bc3 Qb6 (10...Qc5 11.dc4 Qc4 12.Qd3–/+) 11.dc4 dc4 12.Nd2 f5? (Better is 12...Nf6+–) 13.Rb1 (13.Nc4?! Qc5 14.Qb1 Qc4=) 13...Qa6 14.Ng5 Nh6 (14...Rd7 15.Ne6 Nf6 16.e3+–) 15.Ne6 (15...Rd7 16.e3+–) 1–0. Wall,Bill – Digga, Internet, 2002.

3.Nh3 Nf6 4.a3=+.

4.Nf3+= a5 5.Nd4 ab4 6.ab4 Ra1 7.Ba1 +=.

4.Nf3+= a6 5.Bd4+/– Nc6 6.e3 Nd4+= 7.ed4 Nf6 8.c3 Bd6 9.Bd3 b5 10.Ne5 Bb7 11.0–0 0–0 12.f4 Qc8 13.a4 Bd5 14.Na3 ba4 15.Qa4 Qb7 16.Rf2 Be7 17.Nac4 Bc4 18.Bc4+– Ne4 19.Re2 Bf6 20.Nd7 (White fights for the Initiative) 20...Rfd8 21.Bd3 Nd6 22.Nf6 gf6 23.f5 ef5 24.Rf2 Rdc8 25.Bf5 Nf5 26.Rf5 Kg7 27.Qd1 Rg8 28.Qf3 Qf3 29.Rf3 Rge8 30.Re3 Re6 31.Kf2 f5 32.Ra5 Re3 33.de3 Kf6 34.b5 Ke6 35.Ra6 (35...c6 36.Ra8 cb5 37.Rb8+–) 1–0. Drexhage,Ulrich – McMichael,Andrew, IECG, 2000.

4.Nf3= c5!? =.

4.Nf3= Nc6 5.b5+/– Nce7 6.Bd4 f6 (6...Nf5 7.Bb2+/–) 7.e4 Ng6 8.Be3 b6 9.Bc4+– Bc5 10.Bc5 bc5 11.0–0 N8e7 12.Nc3 0–0 13.d4 cd4 14.Nd4 Kh8 15.Ne6 Qd1 16.Rad1 Be6 17.Be6 c6 18.Rd7 Ne5 19.Re7 cb5 20.Nb5 Rae8 21.Re8 Re8 22.Rd1 h6 23.Rd6 Kh7 24.Na7 Ng6 25.c4 Nf4 26.Bd7 Rd8 27.Bf5 Kg8 28.Rd8 1–0. kamret (2180) – Phylogeny, GameColony.com, 2003.

4.Nf3= d3 5.cd3 Nc6 6.b5 Na5 (6...Nce7 7.Qc2+/–) 7.Qa4 b6 8.d4 (8.Nc3 a6+/–) 8...Nf6 9.e3 Bd7 10.Qc2 Nd5 (10...c6 11.Nc3+/–) 11.Ne5 Bc8 (11...Rc8 12.Nc3+/–) 12.Nc3 Nc3 13.Bc3 Nb7 (13...f6 14.Ba5 fe5 15.Bc3+–) 14.Bb2 (14.Bb4 Bb4 15.Qc6 Kf8 16.ab4 f6+–) 14...Nd6?? (Better is 14...Na5+–) 15.Qc6 (15...Bd7 16.Nd7+– (16.Qd7?! Qd7 17.Nd7 Kd7+–)) 1–0. Wall,Bill – Rigimon, Internet, 2004.

4.Bg7 Be5 5.Be5 f6 6.Bb2 e5 7.e3 Bd7 8.Qh5 Ke7 9.Qh6 Nh6–+ 10.Nf3 a6 11.Nc3 Nc6 12.Nd5 Kd6 13.c4 Be6 14.Nc3 Qg8 15.Ne4 Ke7 16.d3 Rd8 17.Nc5 Rb8 18.h3 Nf5 19.g4 Nd6 20.Bg2 Qg6 21.Nh4 Qh6 22.Ne6 Ke6 23.Bd5 Kd7 24.Nf3 Ne7 25.0–0–0 Nd5 26.cd5 Rhe8 27.Nd2 Nf7 28.Ne4 c6 29.dc6 Kc6 30.Rd2 Rbc8 31.Rc2 Kb5 32.Nc3 Kb6 33.Na4 Ka7 34.Nc5 Nd6 35.Kb1 Qf8 36.Rhc1 Qe7 37.d4 ed4 38.Bd4 Nb5 (39.Na6 Nd4 40.Rc8 Qe4 41.Kb2 Rc8 (41...ba6?! 42.Re8 Qe8 43.ed4–+; 41...Ka6?! 42.Re8 Qe8 43.ed4–+) 42.Rc8 Qd3–+) 0–1. DrSub (1615) – tuaku, chesshere.com, 2007.

4.Bg7+– Be5 5.Be5 Nf6 6.Nf3 +–.

4.Bg7+– h6 5.Bh8 Kf8 (5...Nd7 6.e3+–) 6.e3 Ne7 (6...Nf6 7.d4+–) 7.Qh5 Kg8 (7...Ng8 8.Nc3+–) 8.Qh6 Qf8 (8...Nf5 9.Qh5+–) 9.Qh5 e5 (9...Nf5 10.Nf3+–) 10.Be5 Be6 (10...Be5 11.Qe5 Qg7 12.Qg7 Kg7+–) 11.Qh8 1–0. lucya (2125) – simple_freek, GameColony.com, 2002.

4.e4 c5 5.ed5 ed5 6.Bb5 Bd7 7.Bd7 Qd7 8.Qh5 g6 9.Qe2 Be7 10.bc5 Nc6 11.Nf3 Kd8 (Better is 11...d4!?+=) 12.d4 Rc8 13.0–0 h6? (13...Ke8 14.c4 dc4 15.Qc4+–) 14.Re1 (14.c4 dc4 15.d5 Ne5 16.Be5 fe5+–) 14...Rh7 15.Nc3 Nd4?? 16.Nd4 Bc5 17.Ne6 1–0. Wall,Bill – Sulu, Microsoft Gaming Zone, 2004.

4.Nf3 Nh6 5.e3 e5 6.c4 c6 7.d4 e4 8.Nfd2 Be7 9.Nc3 Be6 10.Be2 0–0 11.0–0 b5 12.cb5 f5 13.Nb3 Nd7 14.bc6 Nf6 15.Rc1 g5 16.c7 Qc7 17.Nd5! Qd6 18.Ne7 Qe7 19.Nc5 Rac8 20.Ne6 Qe6 21.Rc8 Rc8 22.d5 Nd5 23.Qd4 Rc7 24.Qh8 Kf7 25.Qh7 Ke8 26.Bb5 Kd8 27.Qh8 Ng8 28.Rd1 Kc8 29.Ba6! Kb8 30.Be5 (30...Qa6 31.Qg8 Kb7 32.Qd5 Qc6 33.Bc7 Qd5 34.Rd5 Kc7 35.Rf5+–) 1–0. GmLencioni – perspective08, chesshere.com, 2006.

(--> 1.b4 e6 2.Bb2 Nf6 3.a3 d5).

4.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3).

4.e3 c5 5.b5 b6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 b6).

4.e3 c5 5.bc5 Bc5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5).

4.e3 Be7 5.c4 c6 (–--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.c4 e6 5.a3 Be7).

4.e3 Be7 5.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0).

4.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3).

4.Bg7+– Bd4 5.Bd4 Nf6 6.Nf3 Rg8 7.c4 (7.e3 Nbd7+–) 7...c6 (7...dc4 8.Qc2+–) 8.Qc2 Rg7 (8...dc4 9.Qc4 cb5 10.Qb5 Nc6 11.Bb2+–) 9.bc6 Nc6 10.cd5 Nd4 11.Qa4 Bd7 12.Qd4 ed5 13.Nc3 Be6 14.e3 Rg4 15.Bb5 Kf8 16.Qc5 Kg8 17.0–0 b6 18.Qa3 a5 19.Ne5 Rh4 20.d4 Qc7 21.Rac1 Qb8 22.Bc6 Ra7 23.Nb5 Nd7 24.Na7 Ne5 25.de5 Qe5 26.g3 Bh3 27.Rfd1 Rc4 28.Rc4 dc4 29.Rd8 Kg7 30.Qf8 Kf6 31.Rd6 Be6 32.Qh8 (32…Kf5 33.Qh7 Kf6 34.Qh8 Kf5 35.g4 Kg6 36.Qe5 a4 37.Be4 f5 38.Re6 Kf7 39.Re7 Kg6 40.Qg7#) 1–0. Waibel,Ulrich – Hammacher,Martin, compuserve, 1995.

4.Bg7+– e5 5.Bh8 Bf2 6.Kf2 Qh4 7.g3 Qd4 8.e3 Qa1 9.Nf3 +–.

4.Bg7 Qg5 5.Bh8 f6 6.g3 e5 7.e3 Bg4 8.Be2 Be2 9.Qe2 Nd7 10.Bf6 (Better is 10.Nf3 Qg6 11.d4 Bb4 12.c3+–) 10...Qf6 11.Qh5 Qg6 12.Qg6 hg6 13.Ne2 0–0–0 14.d3 Re8 15.0–0 Ngf6 16.Nbc3 d4 17.ed4 (Better is 17.Na4 de3 18.Nc5 Nc5 19.fe3+–) 17...ed4 18.Ne4 Ne4 19.de4 g5 20.Kg2 Re4 21.Rae1 Bb4 22.Rb1 Ba5 23.Nc1 Nc5 24.Nb3 Nb3 25.Rb3 Re2 26.Rd3 Rc2 27.Rd4 Ra2 28.Rfd1 c6 29.bc6 bc6 30.Rc1 Bb6 31.Rd5 Rf2 32.Kh1 Kc7 33.Rg5 a5 34.Rg6+– a4?? 35.Rcc6 (35...Kd7 36.Rb6+–) 1–0. valpa – Valery_Souchkov, HCL–B2386 playchess.de, 2003.

4.e3 Nf6 5.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3).

4.f4?? Nf6 5.Nf3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 c5 9.bc6 Nc6 10.Be5 Nb4 11.c3 Nc6 12.Bd4 Nd4 13.cd4 Qa5 14.Nc3 b5–/+ (15.Ne5 Bd7–/+) 0–1. Awad,Marwan – Al_Zendani,Zendan (2345), Ch Arab Clubs (team), 2006.

4.Bg7 Bf6 5.Bh8 Bh8 6.d4 Bf6 7.e3 c5 8.c3 Nd7 9.Qc2 cd4 10.Qh7 dc3 11.Qg8 Nf8 12.Ne2 c2 13.Nbc3 Bc3 14.Nc3 Qf6 15.Kd2 Qf2 16.Be2 d4 17.ed4 e5 18.Raf1 Qd4 19.Kc2 Be6 20.Bh5 Qc4 21.Qg7 e4 22.Qe5 0–0–0 23.b6 Qd3 24.Kb2 Qd6 25.Qd6 Rd6 26.ba7 Ra6 27.Bf7 Kd7 28.Be6 Ne6 29.Rf7 Kc6 30.Rf6 Kd7 31.Rd1 Kc7 32.Nb5 Kc8 33.Re6 b6 34.Rc6 Kb7 35.Rc7 Ka8 1–0. Bonetti,Shane – Grynt (2075), ICC, 2002.

4.e3 b6 5.Bd3 a6 6.Qh5 Kd7 7.Bh7 Bd6 8.Qf7 Qe7 9.Bg8 Qf7 10.Bf7 Ke7 11.Bg6 e5 12.Nc3 Be6 13.h3 f5 14.h4 Nd7 15.h5 e4 16.ba6 Ra6 17.Nh3 Nf8 18.Nb5 Ng6 19.hg6 Rh6 20.Bg7 Rg6 21.Nd6 Rg7 22.Nb5 Rg2 23.Nc7 Ra7 24.Ne6 Ke6 25.Nf4 1–0. Bonetti,Shane – Rookee, ICC, 2002.

4.e3 Bc5 5.c4 dc4 6.Qh5 Kf8 7.Qc5 1–0. Rosner, Dirk – Salewski, Bernd, DDR–ch I723 corr, 1988.

4.g3 e5 5.Bg2 d4 6.e3 de3 7.fe3 Bd7?? (7...a6 8.a4=) 8.a4 (Better is 8.Bb7 Na6 9.Ba6+–) 8...Nh6 (Better is 8...c6=) 9.Bb7+– Na6? (Better is 9...Bg4 10.Ne2 Nd7+–) 10.ba6 Rb8 11.Qf3 Be7 12.Ne2 0–0 13.0–0 Nf7 14.d4 Nd6 15.de5 Nb7 16.ab7 fe5 17.Qd5 Kh8 18.Rf8 Qf8 19.Be5 Bh3 20.Nd2 Bc5 21.Bd4 Rd8 22.Qc5 Qc5 23.Bc5 Rb8 24.Rb1 Bc8 25.Ba7 Rb7 26.Rb7 Bb7 27.a5 Kg8 28.Nd4 Kf8 29.Ne6 Kf7 30.Nc7 Ke7 31.a6 Kd6 32.ab7 Kc7 33.b8Q Kc6 34.c4 Kd7 35.Qb6 Ke7 36.Ne4 Kf7 37.c5 g6 38.c6 Ke6 39.c7 Kd5 40.Qd4 Ke6 41.c8Q Kf7 42.Qd5 Kg7 43.Bd4 Kh6 44.Qf8 1–0. MasterofDisaster – SeriousTrouble, Live Game Caissa's Web, 2004.

4.d3 Be7 5.Nf3 Nc6 6.d4 e5 7.de5 Ne4 8.Nbd2 Bg5 9.Ne4 Bf5?? 10.Nc5 0–0 11.Nb7 Qe7 12.Qd5 Bd7 13.Bc1 Bc1 14.Rc1 h6 15.Nc5 Rad8 16.e3 g6 17.Be2 Kh7 18.0–0 Qe8 19.Nd7 Ne7 20.Rfd1 Nd5 21.Rd5?? Rd7+/– 22.Rcd1 Rd5+= 23.Rd5 Qc6 24.Rd3 Qc4 25.a4 Rd8?? 26.Ne1 Rd3–/+ 27.Bd3? Qc3–+ 28.Kf1 Qb4 29.Bb5 Qb1 30.Ke2 Kg7 31.h4 f6 32.e6 Qa2 33.Kf3 Qe6 34.g4 c6 35.Bd3 c5 36.Bb5 Qd5 37.Kg3 f5 38.f3 Qe5 39.Kf2 Qh2 40.Ng2 Qc7 41.gf5 g5 42.hg5 h5?? 43.f6= Kg6 44.f4 Qb6 45.Bd3 Kf7=+ 46.Bc4 Kf8 47.Nh4 Ke8?? 48.Ng6 Qd6 49.f7 Kd7 50.f8Q Qd2 51.Kf3 Qd1 52.Ke4 Qc2 53.Bd3 Qg2 54.Kf5 Qd5 55.Ne5 Kc7 56.Qg7 Kb6 57.Qf6 Ka5 58.Bb5 Kb4 59.Bc4 Qh1 60.Nd3 Kc4 61.Qa6 Kb3 62.Nc5 Kb4 63.Qb5 Kc3 64.Qb3 Kd2 65.Qd3 Kc1 66.Qa3 (66...Kb1 67.e4+–; 66.e4!? h4 67.Qc3 Kb1+–) 1–0. tradicio – boldeagle, ChessWorld.net, 2005.

4.Nf3 Be7 5.e3 0–0 6.Be2 c5 7.bc5= Bc5 8.Ba3 Nbd7 9.d4 Be7 10.Be7 Qe7 11.0–0 b6 12.h3 Bb7 13.Nbd2 Rac8 14.c4 dc4 15.Bc4 Ne4 16.Ne4 Rc4 17.Ned2 Rc7 18.Rc1 Rfc8 19.Rc7 Rc7 20.Qe2 Qa3 21.Ne4?? Be4–+ 22.Ra1 Rc1 23.Rc1 Qc1 24.Kh2 Qc6 25.Kg3 Qd6 26.Kg4 Bf5 27.Kh4 Nf8 28.g4 Ng6 29.Kh5 Be4 30.Ng1 h6 31.f4 Qd5 32.g5 hg5 33.fg5 Bf5 34.Qf3 Qf3 35.Nf3 Bh3 36.e4 Bg2 37.Nd2 Nf4 38.Kg4 Ne2 39.Nb3 Be4 40.a4 Bc2 41.Nd2 Nd4 42.Nc4 Ba4 43.Nd6 b5 44.Kf4 b4 45.Ke5 b3 46.Nc4 Nf3 47.Kf4 Nd2! 48.Nd2 b2 49.Nb1 Bc2 50.Na3 b1Q 51.Nb1 Bb1 52.Ke5 a5 53.g6 a4 54.gf7 Kf7 55.Kd4 a3 56.Kc3 a2 57.Kb2 e5 58.Ka1 e4 59.Kb2 e3 60.Ka1 e2 61.Kb2 0–1. dovlov – shakuni, net–chess.com, 2004.

4.Na4 Nf6 5.c3 Ba5 6.Ba3 b6 7.d4? Ne4 8.Nb6?? ab6 9.Qa4 Bd7 10.Qc2 Nc3 11.Bc1 Ne4 12.Bd2 Nd2 13.Rd1 Nf3# 0–1. jaunis111 – Charlemagne, chesshere.com, 2007.

4.e4 c6 5.ed5 cd5 6.Bb5 Nc6 7.Nf3 Nge7 8.0–0 a6 9.Bd3 0–0 10.Bh7 Kh7 11.Ng5 Kg8 12.Qh5 Re8 13.Nd5 Qd5 14.Qh7 Kf8 15.Qg7# 1–0. guest74 – guest611, ICC, 1999.

(--> 1.b4 c6 2.Bb2 d5 3.e3 e6).

4.c4 (–--> 1.b4 c6 2.c4 d5 3.e3 e6 4.Bb2).

4.c4 Nf6 (–--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.c4 e6).

4.c4 Ngf6 5.c5 c6 6.Nf3 b6 7.d4 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 bc5 11.bc5 Be7 12.Bd3 0–0 13.Qc2 Qc7 14.0–0 g6 15.Nbd2 Rd8 16.Ne5 Ne5 17.de5 Nd7 18.Nb3 Ne5 19.Be2 f6 20.f4 Nf7 21.g4 Rf8 22.h4 Nh8 23.Qc3 Kf7 24.Nd4 h6 25.Bd3 g5 26.h5 e5 27.Nf5 Bf5 28.Bf5 gf4 29.ef4 ef4 30.Rb1 Rb8 31.Rb8 Qb8 32.Qa5 Kf8 33.Bd4 Nf7 34.Qb6 Qe8 35.Bg6 Bd8 unclear. Kuhlmann – van Onzen, 1952.

4.Nf3 f5 5.c4 Ngf6 6.b5 Bd6 7.Qc2 0–0 8.Nc3 Nc5 9.a4 c6 10.d3 Qe8 11.Be2 Qg6 12.cd5 ed5 13.g3 Be6 14.Nd4 Rac8 15.bc6 bc6 16.Ba3 Nfd7 17.Nd1 Rc7 18.Rc1 Rfc8 19.a5 Qf7 20.Nf3 Qe7 21.Bb2 Nb7 22.Bc3 Bb4 23.a6 Bc3 24.Qc3 Nd6 25.0–0 Bf7 26.Qa5 Bh5 27.Nc3 Nb6 28.Nd4 Be2 29.Nde2 Qe5 30.d4 Qe7 31.Nf4 Ne4 32.Ne4 Qe4 33.Rfd1 Nc4 34.Qb4 Re7 35.Qc5 Ree8 36.Rc3 Rb8 37.Qc6 Rb1 38.Rb1 Qb1 39.Kg2 Qe4 40.Kh3 Nb6 41.f3 Qe7 1–0. Lebel Arias – Guggenberger, Thessaloniki 1984.

4.Nf3 Ngf6 5.b5 c5 6.bc6 bc6 7.c4 Rb8 8.Qc2 Qb6 9.Bd4 c5 10.Bc3 Ba6 11.Na3 Bd6 12.Be2 Ne4 13.Rb1 Qc6 14.Rb8 Bb8 15.Bb2 0–0 16.0–0 Qd6 17.g3 f5 18.d3 Nef6 19.d4 Ne4 20.dc5 Qc5 21.Nd4 Re8 22.cd5 Be2 23.Qc5 Ndc5 24.Ne2 Nd3 25.Ba1 e5 26.Nb5 Nb4 27.Nec3 Nf6 28.d6 Rd8 29.Rd1 Kf7 30.a3 Na6 31.Na4 Ke6 32.f4 ef4 33.ef4 Bd6 34.Nd4 Kf7 35.Rb1 Nc5 36.Nc3 Kg6 37.Ncb5 Rb8 38.Nc6 Rb7 39.Nca7 Nce4 40.Nc6 Bc5 41.Kg2 Nd5 42.Nc3 Ne3 43.Kh1 Nf2 44.Kg1 Nh3 45.Kh1 Nf2 46.Kg1 Rb1 47.Nb1 ½–½. Skopintseva,Yulia – Chernov,Pavel, Tula, 2001.

4.Be2?? Bf6 5.d4 c6 6.c4 Nd7 7.Nf3 b6 8.0–0 Ne7 9.Nbd2 Bb7 10.Rb1 0–0 11.Ba3 Re8 12.c5 Qc7 13.e4 Ng6 14.e5 Be7 15.Bd3 a5 (Better is 15...Nf4!? 16.Qc2 Nd3 17.Qd3 f6=) 16.Bg6 fg6 17.b5 (17.cb6 Qd8+/–) 17...cb5 18.Rb5 bc5 19.Qb1 Rab8 20.Rc1 c4 21.Be7= Re7 22.a4 Bc6–/+ 23.Rb8 Qb8 24.Qc2 Nb6 25.Rb1 Rb7 26.h3 Na4–+ 27.Rb7 Qb7 28.Qc3?? (28.Nb1–+) 0–1. bashful – binda, Live Game Caissa's Web, 2004.

4.Bg7+– Bf6 5.Bh8 Bh8 6.Nc3 Nc6 7.Nf3 e5 8.Bb5 Bd7 9.Ne5 Be5 10.Qf3 Qf6 11.Qd5 0–0–0 12.Qb3 Bc3 13.dc3 Bg4 14.0–0 Nge7 15.Rad1 Bd1 16.Bc6 Nc6 17.b5 Ne5 18.Qb1 Bh5 19.f4 Ng4 20.h3 Ne3 21.Re1 Qc3 22.Re3 Qe3 23.Kh2 Rd2 24.Qg1 Qf4 25.Kh1 Bf3 26.b6 Rg2 0–1. Nautiluschess – Charitable, ICS blitz, 2001.

4.Bg7+– Bf6 5.Bh8 Bh8 6.d4 Qd6 7.c3+–.

4.Bg7+– Bf6 5.Bh8 Bh8 6.d4 Ne7 7.Qh5 Ng6 (7...e5 8.Qh7 Bf6 9.Nf3+–) 8.Qh7 Qd6 (8...Nd7 9.Qg8 Ndf8 10.Bd3+–) 9.Qg8 Ke7 (9...Qf8 10.Qf8 Nf8+–) 10.Qc8 Qb4 11.Nd2 Nc6 (11...Qc3 12.Rb1 b6+–) 12.Qa8 (12...Qc3 13.Rc1+–) 1–0. kamret (2200) – chess_master2008 (1790), GameColony.com, 2003.

4.c3 Bd7 5.e4 (Better is 5.Nf3!?=) 5...de4–/+ 6.g4 (6.d4 a5–/+) 6...f5 (6...Ng6 7.Qc2–+) 7.gf5 ef5 8.Nh3 Nd5 9.Nf4?? Nf4 10.Rg1 Qe7 11.c4 Rg8 12.Nc3 Nd3 13.Bd3 ed3 14.Ne2 de2 15.Qe2 Qe2 (16.Ke2 Bb4 17.Rg7 Rg7 18.Bg7 Nc6–+) 0–1. Cook,Stephen Kenneth – Slothouber,Frans, IECG Cat–C, 1995.

4.c3 Nd7 =+.

4.Nf3 Nf5 =.

4.Nf3 h6 5.a3 Bd7 6.Be2 Ng6 7.0–0 f6 8.c4 c5 9.b5 b6 10.Nc3 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Bd6 14.cd5 e5 15.d4 0–0 16.Bc4 Bg4 17.Nd2 Nd7 18.Nce4 Qe7 19.Nd6 Qd6 20.Ne4! Qb8 21.d6 Kh8 22.Qa6! Qa8 23.Qa8 Ra8 24.Ra1! Ra1 25.Ba1 f5 26.dc5!! fe4 27.c6! Nc5 28.Bf7 Nf8 29.Be5 Be6 30.Be6 Nfe6 31.c7! Nc7 32.dc7 1–0. Trkn – cybarb, itsyourturn.com, 2000.

4.b5 Bc5?? 5.Bg7+– f6 6.e3 (Better is 6.d4 Bd6 7.Bh8 Nh6+–) 6...Ne7 (6...Kf7 7.Bh8 Nh6 8.d4 Bb4 9.c3+–) 7.Bh8 Nf5 (7...Kf7 8.d4 Bd6 9.Ne5 fe5 10.Qh5 Kg8 11.Bf6+–) 8.c4 dc4 9.Bc4 Qe7 10.Nc3 Qf8 11.Bf6 Qf6 12.Ne4 Qe7 13.Nfg5 Bb6 14.Qh5 Kd8 15.Qh7 Qh7 16.Nh7 c6 17.a4 cb5 0–1. galaxy5 – Dreamcatcher, Live Game Caissa's Web, 2004.

4.b5 f6 5.e3 Bd7 (5...e5 6.c4=) 6.Bd3 c6? (Better is 6...Ne7=) 7.Ne5!+– fe5?? (Better is 7...cb5 8.Qh5 Ke7+–) 8.Qh5 g6 (8...Ke7 9.Ba3 c5 10.Bc5 Kf6 11.Qf3 Kg5 12.h4 Kh6 13.g4 Be8 14.g5 Qg5 15.hg5 Kg5 16.Bf8 Bg6 17.Bg7 Bd3 18.Qh5) 9.Bg6! hg6 (9...Ke7 10.Qh4 Kd6 11.Be5 Kc5 12.Qd4 Kb5 13.Bd3) 10.Qg6 Ke7 11.Ba3 c5 12.Bc5 1–0. lucya (2145) – bankhead2k2, GameColony.com, 2002.

4.b5 Nf6 =.

4.e3 f6 5.a3 Bd6 6.c4 dc4 7.Bc4 b5 8.Bb3 Ne7 9.Nd4 Qd7? (Better is 9...e5 10.Qh5 Ng6=) 10.Be6+– (< 10.Ne6 Nf5+/–) 10...Qd8 11.Bb3 (11.Qg4! g6+–) 11...c6 12.0–0 Be5 13.Qh5 Ng6? 14.f4 Bd4 15.Bd4 Qe7 16.f5 Bf5 17.Qf5 Nd7 18.Be6 Nde5 19.Be5 Ne5 20.Nc3 Rd8 21.d4 g6 22.Qf6 Qf6 23.Rf6 Rf8 24.Rf8 Kf8 25.d5 Nd3 26.Rf1 Ke7 27.Rf7 Kd6 28.Ne4 Ke5 29.Ng3 cd5 30.Re7 Kf6? 31.Rh7 Ke6+= 32.Ra7 d4? 0–1. var – blackmamba, Live Game Caissa's Web, 2004.

4.e3 Nf6 5.a3 c5 6.b5 ab5 7.Bb5 Bd7 8.c4 Bb5 9.cb5 Nbd7 10.0–0 Be7 11.a4 b6 12.d3 Qc7 13.h3 Bd6 14.Nc3 Ne5 15.Ne5 Be5 16.f4 Bd6 17.Ne2 Qe7 18.Bc3 e5 19.fe5 Be5 20.Be5 Qe5 21.Qd2 g5 22.d4 Ne4 23.Qb2 Qg7 24.Rf5 0–0 25.Rd5 f5 26.Re5 Rae8 27.Re8 Re8 28.a5 Nd6 29.a6 cd4 30.Nd4 Qe7 31.Qb3 Kh8 32.Nc6 Qg7 33.Rd1 Nc8 34.Qa2 Qc3 35.Qa1 Qa1 36.Ra1 Nd6 37.Nd4 Ra8 38.Rc1 Nb5 39.Nb5 Ra6 40.Rc6 Kg7 41.Nd4 Ra5 42.Rb6 h6 43.Rb5 Rb5 44.Nb5 Kf6 45.Kf2 h5 46.Kf3 Ke5 47.Nc3 Kf6 48.Ne2 h4 49.g3 hg3 50.Ng3 Ke5 51.Nh5 g4 52.hg4 fg4 53.Ke2 Kf5 54.Ng3 Kg5 55.e4 Kf4 56.Kf2 Kg5 57.Ke3 Kf6 58.Kf4 Ke6 59.Kg4 Kf6 60.Kf4 Ke6 61.e5 Ke7 62.Kf5 Kf7 63.e6 Kg7 64.Ne4 Kf8 65.Kf6 1–0. hal1958 – Jaska1965, playchess.de, 2002.

4.bc5 Bc5 5.Bg7 Qb6 6.e3 Qb2 7.Bb2 f6 8.d4 Bb4 9.Bc3 Bc3 10.Nc3 Nc6 11.Nh4 Nge7 12.Bb5 a6 13.Bc6 Nc6 14.Qh5 Ke7 15.Qh6 Nb4 16.0–0 Bd7 17.Ng6 Kd6 18.Nh8 Rh8 19.Qf6 Nc2 20.Rac1 1–0. Nautiluschess – shrid, ICS blitz, 2001.

4.bc5 Nf6 5.d4 b6 6.cb6 Qb6 7.Qc1 Nc6 8.Nbd2 Ba6 9.Rb1 Qa5 10.a3 Rb8 11.c3 Be7 12.e3 Bf1 13.Rf1 0–0 14.h3 Rb7 15.Rh1 Rfb8 16.Rg1 Ne4 17.Rf1 Nd2 18.Nd2 Rb5 19.Kd1 Qb6 20.Kc2 Ba3 21.Ba3 Rb1 22.Qb1 1–0. Machete99 – podmo, ICC, 2002.

4.Bg7 Qh4 5.g3 Qe7 6.Bh8 Nh6 7.Be5 f6 8.Bb2 Nc6 (8...Nf5 9.Bc3+–) 9.e3 Qf7 10.Be2 Ne7 11.Bh5 Ng6 12.f5 (Better is 12.e4!? de4 13.Nc3 Bc3 14.Bc3 Bd7+–) 12...Nf5 13.Nf3 Bd7 14.a3 Bc5 15.Nc3 0–0–0 16.g4 Nd6 17.0–0 Qg7 18.Na4 Bb6?? 19.Nb6+– cb6 20.a4 Ne7 21.g5 fg5 22.Bg7 1–0. eds – shooin, Live Game Caissa's Web, 2004.

4.Bg7 Qh4 5.g3 Qh5 6.Bh8 Bc5 7.d4 Bb4 8.c3 Bd6 9.Be5 Nc6 10.Bd6 cd6 11.e3 Qd1 12.Kd1 e5 13.Kc1 Bf5 14.Bg2 ed4 15.cd4 Be4 16.Be4 de4 17.Nc3 d5 18.Nd5 0–0–0 19.Nc3 Nf6 20.h4 Rd6 21.g4 Nb4 22.Nge2 Rc6 23.g5 Nd3 24.Kd2 Nf2 25.gf6 Nh1 26.Rh1 Rb6 27.Ne4 Re6 28.N2c3 Kb8 29.Rg1 b6 30.Rg8 Kb7 31.d5 Re4 32.Ne4 a5 33.Kc1 a4 34.h5 a3 35.h6 b5 36.Rh8 b4 37.Rh7 Ka6 38.Rf7 b3 39.ab3 a2 40.Kb2 a1R 41.Ka1 Kb5 42.Rb7 Ka5 43.b4 Ka4+– 44.Nc5 Ka3 45.Rb5 ½–½. Golem_01 – Mustang_11, computer chess game, 2001.

4.a3 Bd6 5.Nh3 0–0 6.e3 c5 7.Bc3 cb4 8.ab4 Qe7 9.Ra4 Bd7 10.Ra5 Bb4 11.Ra2 Nc6 12.Ra4 Bc3 13.Nc3 a6 14.Bd3 Nb4 15.Be2? Ba4 16.Na4 Ne4 17.0–0 b5 18.Nc3 Rac8 19.Ng5 Ng5 20.fg5 Qg5 21.e4 Qg6 22.Bf3 de4 23.Be4 Qh6 24.Qc1 Rfd8 25.Bb7 Rc7 26.Be4 Qd2 27.Qb1 Rc3 28.Qb4 Qd4 29.Rf2 Qd1 30.Rf1 Qd4 31.Qd4?? Rd4–+ 32.Bf3 Rc2 33.Rd1 Rd1 34.Bd1 Rd2 35.Bb3 a5 36.Kf1 a4 37.Ba2 Ra2 (38.h4 b4–+) 0–1. Turm87@ – dennis2004, mySchach.de, 2004.

4.b5 c5 5.Nf3 Be7 6.e3 0–0 7.Be2 Bd7 8.0–0 c4 9.a4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.f4 Be7 6.Nf3 0–0 7.Be2 Bd7 8.0–0 c4 9.a4).

4.b5 Qd7 5.e3 c6 6.a4 a6 7.Nf3 cb5 8.ab5 Bd6 9.Nc3 Be7 (9...0–0 10.Bd3+=) 10.Ne5 (10.ba6 0–0 11.a7 Nc6+/–) 10...Qd8 11.Be2 0–0 12.0–0 Bd7 (12...d4 13.ed4 Qd4 14.Kh1+=) 13.Kh1 b6 14.g4 a5 15.g5 Ne4 16.Ne4 de4 17.Bh5 f6 18.gf6+/– Bf6 19.Qg4 Bb5 20.Rg1 Qe7?? 21.d4 Nd7?? 22.Qh3 Ne5? 23.de5+– Bh4 24.Rg4 Bf2 25.Rd1?? Be3?? 26.Ra1?? Bc5–+ 27.Rd1 Rad8 28.Rd8 Qd8 29.Rg7 Kg7 30.Qe6 Qe7 31.Qg4 Kh8 32.e6+– Rf6 33.Bf7 Qf7 34.ef7 Bf8 1–0. eds – georgizk, Live Game Caissa's Web, 2004.

4.Nf3 Bb4 5.e3 0–0 6.c4 c5 7.a3 Ba5 8.cd5 ed5 9.Be2 Nc6 10.0–0 d4 11.ed4 Nd4 12.Nd4 cd4 13.Bd3 (13.Qb3 Bb6 14.Bf3 Qc7–+) 13...Bb6 (13...Qb6!? 14.Bc1–+) 14.a4 a5 15.Na3 Ng4 16.Kh1? Qh4–+ 17.h3 Nf2 18.Rf2 Qf2 19.Qh5 g6 20.Qb5 Bc7 21.Rf1 Qd2 22.Bc1 Bd7?? 23.Qd7?? Qd3–+ 24.Qc7 Qf1 25.Kh2 Rac8 26.Qa5 Qc1 27.Nc4 0–1. zobec – swedeman, Live Game Caissa's Web, 2004.

4.Bg7+– e5 5.Bh8 Nf6 6.Bg2 +–.

4.Bg7+– f6 5.Bh8 e5 (5...Nh6 6.a3 Bd6 7.e3+–) 6.Bg2 (6.e4 h6+–) 6...Nc6 (6...Be6 7.e4 Ke7 8.a3+–) 7.e3 Bd7 8.Bd5 Qe7 9.Bg8 0–0–0 10.Bh7 Qh7 11.Bf6 Rf8 12.Bh4 Qf7 13.Qe2 Re8 14.Nh3 Nd4 15.Qd3 Nf3 16.Kd1 Bh3 17.Nc3?? Bg2 18.Rf1 Bf1?? 19.Qf1+= Bc3 20.dc3 Qd5 21.Kc1+/– Qd2 22.Kb2 Re6 Rb6 23.Rd1?? Rb6 24.Ka1 Qc3# 0–1. Fourcart,Maxence – Ribeiro,Romain, FRA–chT U18 France, 1996.

4.Bg7 Qg5 5.Bh8 f6 6.c4 Bd7 7.Bg2 Ne7 8.Qb3 Nbc6 9.a3 Bc5 10.Qb7 Rb8 11.Qc7 Rb2?? 12.cd5 Nd4?? 13.Be4+– ed5 14.Nf3 Nf3 15.Bf3 Bb6 16.Qd6 Bh3 17.Bf6 (17...Bc5 18.Qc5 Qf6 19.Nc3+–) 1–0. Harismuha – hansson, ChessWorld.net, 2004.

4.Bg7+– Qg5 5.Bh8 Nf6 6.Bf6 Qf6 7.c3 Bc5 8.e3 Bd7 9.Bg2 Nc6 10.d4 Bb6 11.Ne2 0–0–0 12.0–0 e5 13.a4 ed4 (13...Bf5 14.Nd2+–) 14.cd4 Nb4 (14...Na5 15.Bd5 Bh3 16.Bg2 Bg2 17.Kg2+–) 15.Nbc3 Ba5 16.Nd5 Nd5 17.Bd5 Bh3 18.Qb3 Bf1 19.Qb7 Kd7 20.Qb5 c6 21.Bc6 Ke7 22.Kf1 Bc7 23.Qb4 Bd6 24.Qb7 Kf8 25.Nf4 Qh6 26.Bd5 Kg8 27.Qf7 Kh8 28.Ne6 Qh3 29.Ke1 Bb4 30.Ke2 Qg4 31.f3 Qg8 32.Qg8 Rg8+– 33.Nf4 Bc3 34.Rc1 Bb2 35.Rc7 Re8 36.Nh5 Bd4 37.Ra7 Re3 38.Kd2 Ba7 39.Be4 Ra3 40.Bc6 Ra2 41.Kd3 Rh2 42.g4 h6 43.Nf6 Kg7 44.Ne8 Kg6 45.Ke4 Re2= 46.Kd5 Rd2 47.Kc4 Rd4 48.Kb5+/– Rf4 49.a5 h5 50.gh5 Kh5 51.Ka6 Rc4 52.Kb7 Bd4 53.a6 Rb4 54.Kc8 Rb6 55.Bb7 Re6 56.Nc7 Bb6?? 57.Be4 Re7?? 58.Nd5+– Re8 59.Kb7 Bd8 60.a7 Bg5 61.a8Q Ra8 62.Ka8 Kh6 63.Kb8 1–0. audrey – janrav4, Live Game Caissa's Web, 2004.

4.b5 a4 5.Nf3 c6 6.e3 Nf6 7.Be2 Ra5 8.Nc3 Bd7 9.bc6 Bc6 10.0–0 Bd6 11.h3 Nbd7 12.Na2 Qe7 13.Bc3 Ra8 14.Nb4 Nb6 15.Nd4 Bd7= 16.Nb5 0–0 17.Nd6+= Qd6 18.Bf6 gf6 19.d4 Kh8 20.Bd3 e5 21.Qh5 e4 22.Be2 f5 23.c4 dc4=+ 24.Rac1 Rac8 25.Rc3 Qg6 26.Rd1 Rfd8 27.Qh4 Be6 28.d5? Rg8?? 29.g3= Bd7 30.Kh2 Qg7 31.Rdc1 Bb5 32.Qe7 f6 33.d6?? Qe7–/+ 34.de7 Rge8 35.Rd1 Re7 36.Rd6 Nd7 37.Nd5 Kg7?? 38.Ne7+– (38...Rc5 39.Rd5 Rd5 40.Nd5+–) 1–0. purplepeace (2275) – hzsolt (2105), net–chess.com, 2004.

4.b5 c5 5.Nf3 b6 6.e3 Nf6 7.Be2 a4 8.0–0 Be7 9.d3 0–0 10.Nbd2 Bb7 11.c4 dc4 12.Nc4 Nd5 13.Qc2 Nd7 14.Rab1 N7f6 15.Rfd1 Qc7? 16.Be5+– Qd8 17.e4 Nc7 18.Nb6 Ra5 19.Nc4 Rb5?? 20.Bc7 Rb1 21.Bd8 Rd1 22.Qd1 Rd8 23.Qa4 h5 24.Qa7 Rd7 25.Nfe5 Rc7 26.Qb8 Rc8 27.Qb7 Re8 28.a4 h4 29.a5 h3 30.a6 hg2 31.a7 1–0. kamret (2185) – xcecp07 (1965), GameColony.com, 2003.

4.b5 Nd7 5.Nf3 a4 6.e3 c6 7.c4 Nc5 8.d4 Ne4 9.Bd3 Nef6 (9...cb5!? 10.cb5 Qa5 11.Nfd2 Bd7=) 10.0–0 g6 (10...dc4!? 11.Bc4 Bd7+=) 11.Nc3 h5 12.Qc2 h4 (12...dc4!? 13.Bc4 Bd7–/+) 13.bc6+– h3 14.cb7 Bb7 15.cd5 Ba6?? (Better is 15...hg2 16.Bb5 Ke7 17.Kg2 Nd5 18.Na4 Qd6+–) 16.de6 fe6 (16...hg2 17.ef7 Kf7 18.Bg6 Kg7+–) 17.Qa4 Qd7 (17...Ke7 18.Ba6 hg2 19.Qb4 Ke8 20.Qb5 Nd7 21.Rfb1+–) 18.Bb5 Bb5 19.Qa8 Qd8 20.Qd8 Kd8 21.Nb5 (21...Rh5 22.a4+–) 1–0. Wall,Bill – TerryM, Internet, 2002.

4.c3 ab4 5.ab4 Ra1 6.Ba1 b5 7.e4 c6 8.ed5 ed5=+ 9.Bb2 Bf5 10.g4? Bg6?? 11.h4?? h5?? 12.g5? Bd6?? 13.Bg2 Ne7 14.d4 0–0–/+ 15.Nd2 Re8 16.Qf3 Nf5 17.Kd1 Qe7 18.Qe2 Bf4?? 19.Qe7=+ Re7 20.Ne2 Bd2 21.Kd2= Nd7 22.Bc1 Nd6=+ 23.Nf4 Be4 24.f3= Nc4 25.Kd1 Bf5 26.Re1?? Bc2!–/+ 27.Kc2 Re1 28.Bd2 Ne3 (29.Be3 Re3–/+; better is 28...Rg1–+) 0–1. carrafurca (2100) – pushtiu (2270), net–chess.com, 2006.

4.c3 Nf6 5.Qa4 Bd7 6.b5 –/+.

4.Nf3 ab4 5.ab4 Ra1 6.Ba1 Bb4?? 7.c3 Bc5 8.d4 Bb6 9.e3 Nf6–/+ 10.Bd3 Qd6 11.0–0 c5 12.Bb2 cd4 13.cd4 Nc6 14.Ba3 Qc7 15.Qa4 Bd7 16.Bb5 Ne4 17.Ne5 Ne5–/+ 18.de5 Nc5?? 19.Bc5+/– Bc5 20.Rc1 b6= 21.Nd2 Bb5–/+ 22.Qb5 Qd7 23.Qd7 Kd7–+ 24.Kf1 Ra8 25.Ke2 Ra2 26.Kd3? Bb4 27.Rc2 Rc2 28.Kc2 Bd2 29.Kd2 b5 30.Kc3 Kc6 31.Kb3 Kc5 32.Kc3 b4 33.Kb3 Kb5 34.Kc2 Kc4 35.Kb2 b3 36.Kc1 Kc3 37.Kb1 b2 (38.h3 Kd2 39.Kb2 Ke2–+) 0–1. alaamattar (2180) – dfrosa (2120), net–chess.com, 2006.

4.a4 b6 5.b5 Bb7 6.e3 a5 7.Nf3 Bd6?? 8.Bg7+– f6 9.Bh8 Qe7 10.Nh4 Nd7 11.Qh5 Qf7 12.Qf7 Kf7 13.Be2 Nh6 14.Bh5 Kg8 15.Bf6 Nf6 16.f4 Nh5+= 17.g4 Ng7 18.g5 Nhf5 19.Nf5 ef5 20.d4 Re8 21.Ke2?? Bb4?? 22.Nd2 Bc3=+ 23.Rag1 Re6?? 24.h4 Nh5 25.Nf3 c6 26.Ne5 Bd4? 27.ed4+– c5? 28.Kd3?? c4?? 29.Kc3 Nf4 30.g6?? Ne2+= 31.Kd2 Ng1 32.Rg1 hg6 33.Ng6 Kf7 34.Ne5+– Ke7? 35.Rg7 Kf6 36.Rb7 f4 37.h5 f3 38.Ke1 Re8 39.h6 Rh8 40.Rf7 Ke6 41.h7 Kd6 42.Rg7 Ke6 43.Rg8 Rh7 44.Re8 Kd6 45.Kf2 Rh2 46.Kf3 Rc2 47.Rd8 Kc7 48.Rd7 Kc8 49.Kf4 c3 50.Kf5?? Rf2+= 51.Ke6 Re2?? 52.Ke7 Re5 53.de5 c2 54.Rd8 Kc7 55.Rd6?? c1Q–+ 56.Rc6?? Qc6 57.bc6 Kc6?? 58.Kf6 d4 59.e6 d3 60.e7 Kd7 61.Kf7 d2 62.e8Q Kd6 63.Qd8 Kc5 64.Qd2 b5 65.ab5 Kb5 66.Qb2 Ka6 67.Ke7 (67...a4 68.Qb4+–) 1–0. guest348 – guest426, ICC, 1999.

4.a4 Nf6 5.b5 =+.

4.Nf3= Nc6 5.e3 Nf6 6.c4 dc4 7.Bc4 b5 8.Bb3 Bb7 9.0–0 Bd6 10.d4 0–0 11.Qd3 Ne7 12.Bc2 Ng6 13.Nbd2 Nd5 14.h4 Qf6?? 15.h5+– (15...Nb6 16.hg6 fg6 17.e4+–) 1–0. Wall,Bill – GGM, Internet, 2005.

4.Nf3 Nd7 5.e3 h6 6.Be2 c6 7.0–0 b6 8.Re1 Bb7 9.d4 Ngf6 10.Nbd2 c5 11.bc5 bc5 12.c4 cd4 13.Bd4 Qc7 14.Qa4 Rc8 15.cd5 Bd5 16.Ba6–/+ Ra8 17.Rec1 Qd6 18.Rc8 Rc8 19.Bc8 Be7 20.Ne5 0–0 21.Bd7 Nd7 22.Qd7 Qd7 23.Nd7 Rd8 24.Nb6 Bb7 25.Nbc4 Ba8 26.a4 Rb8 27.a5 Bd5 28.a6 Rc8 29.Nb6 Rc2 30.Nd5 ed5 31.a7 Rd2 32.a8Q Kh7 33.Qd5 Bf6 34.Qf5 Kg8 35.Ra8 Bd8 36.Rd8# 1–0. market (2070) – botang (1645), GameColony.com, 2002.

4.Nf3= Nf6 5.e3 =.

4.d4 c6 5.Bc3 =+.

4.d4 Nc6 5.e3 a6 6.Nf3 Qf6 7.Bd3 Bd6 8.0–0 Nge7 9.Nbd2 e5 10.de5+= Be5 11.Ne5+/– Ne5 12.Rb1 N7c6? 13.f4+– d4 14.fe5 Qe5 15.ed4 Qe3 16.Rf2 0–0 17.Qf1 Ne7 18.Re1 Qg5 19.Ne4 Qg6 20.Nf6! Qf6 21.Rf6 Nd5 22.Rf3 Be6 23.Rh3! Bh3 24.gh3 Rad8 25.Re4 f5 26.Rh4 g6 27.c4 Ne3 28.Qf3 bc4 29.Qe3 cd3 30.Qd3 Rd5 31.Qa6 Rd6 32.Qc4 Rf7 33.d5 Rfd7 34.Qd4 h5 35.Qh8 Kf7 36.Rd4 Ke7 37.a4 Rf6 38.b5 f4 39.Re4 (39...Kd6 40.Qf6 Kd5 41.Qc6#) 1–0. willow27 – patman007, ChessWorld.net, 2005.

4.e3 c5 5.bc5 Bc5?? (5...a6 6.a4 Nf6 7.d4+/–) 6.Nf3 (Better is 6.Bg7 a6 7.Bh8+–) 6...Nf6 7.Be2 (7.Bb5!? Bd7 8.Nc3+=) 7...0–0 (7...a6=) 8.h4 (8.Bb5 a6 9.Ba4 Nbd7=) 8...Nbd7 9.h5 h6 10.Nc3 Bb7 11.Bd3 b4 12.Na4 Qe7 13.ab4 Bb4 14.c3 Bd6 15.Qc2 Rac8 16.e4?? de4–+ 17.Be4 Ne4 18.Nd4 Be5 19.Qe4 Be4 20.f3 Ba8 21.Ne2 Bg3 22.Kd1 Bd6 23.Bc1 f6 24.Nb2 Qf7 25.Nd3 Bd5 26.Bb2 Bc4 27.Kc2 Bd3 28.Kd3 Nc5 29.Kc2 Qg6 30.Kd1?? Qg2–+ 31.Rg1 Qf3 32.c4 e5 33.Kc2 Qd3 34.Kd1–+ Qc4 35.Bc3 Qb3 36.Ke1 Nd3 37.Kf1 Bc5 38.Rg2 Nf4 39.Nf4 ef4 40.Re2 Rce8 0–1. Q2QQ – Justfish29, Live Game Caissa's Web, 2004.

4.e3 c6 5.Nf3 =.

5.Bb5 Bd7 6.Be2 c5 7.c3 c4 8.d3+/– cd3 9.Bd3 g6 10.Nf3 Bg7 11.Nbd2 0–0 12.0–0 a5 13.h4 Ng4+/– 14.Ng5 Ne5+= 15.Bc2 ab4 16.cb4 Qc7 17.h5 Nbc6 18.f4 Nc4? 19.Nc4+– dc4 20.Bg7 Kg7 21.Rf3 Rad8 22.Nh7 e5?? 23.Qf1?? Rh8?? 24.hg6+– fg6 25.Rg3 Rh7 26.Bg6 Rh6 27.Be4+– Kf6?? 28.fe5 Ke7 29.Rg7 (29...Ke8 30.Qf7#) 1–0. alaamattar (2100) – iambilko, net–chess.com, 2006.

5.Nf3 Nc6 6.Bb5 Bd7 7.Ne5 Ne5 8.Bd7 Ned7 9.0–0 Be7 10.Nc3 0–0 11.Qe2 c5 12.bc5 Nc5 13.d4 Nce4 14.Ne4 Ne4 15.f3 Nf6 16.e4 de4 17.fe4 Rc8 18.c3 Qb6 19.Ra2 Rc7 20.Rb1 Qc6 21.Rc1 Qe4 22.Qe4 Ne4 23.g3 Rfc8 0–1. Fischer,Hermann – Borchardt,Sandra, TSC, 2000.

4.b5 a6 5.a4 Ne7 6.e3 f5 7.d4 Ng6 8.c4 Be7 9.Nf3 0–0 10.Be2 Nh4 11.0–0 g6 12.Qc2 Nd7 13.Nbd2 Nf3 14.Nf3 Bg5 15.Bd3 dc4 16.Bc4 cd4 17.Nd4 Nc5 18.Ba3 b6 19.Bc5 bc5 20.Ne2?? Bf6+= 21.Rad1 Qa5 22.Bd3 Be7 23.g4 fg4 24.Bg6 hg6? 25.Qg6+– Kh8 26.Qh5 Kg8 27.Qg4 Kh8 28.Qh3 Kg8 29.Qg2 Kh8 30.Qa8 Qa4 31.b6 Qb5 32.Ng3 Qb6 33.Rb1 Qc7 34.Qe4 c4 35.Rfc1 c3 36.Rb3 Bf6 37.Ne2 Qg7 38.Kh1 Bd7 39.Nc3 Rc8 40.Na2 Qe7?? 41.Rc8 Bc8 42.Rb8 Qd8 43.Qc4 Bb7 44.Rb7 Qa8 45.Qe4 Qg8 46.Rb6 a5 47.Re6 Qf7 48.f4 Kg7 49.Qg2 Kh7 50.Ra6 Bd8 51.Qc6 Bf6 52.Nc3 Qh5 53.Ra7 Bg7 54.Qe4 Qg6 55.Ra5 Bf6 56.Ra6 Qe4 57.Ne4 (57...Bb2 58.Ng5 Kg7 59.e4+–) 1–0. Bonetti,Shane – Kibitz, 2000.

4.b5 Nf6=+ 5.Nf3 Bd7 (5...Bd6!?=+) 6.e3= c4 7.Nc3 a6 8.ba6 Na6 9.Be2 Be7 10.0–0 0–0 11.Ne5 Bd6 12.f4 Be5 13.fe5 Ne8 14.Bh5 Qg5 15.Qf3 g6 16.Bg4 Qe5 17.Nd1 (17.Rab1 f5=) 17...Qe4 18.Qe4 de4 19.Be2 b5 20.Nf2 Bc6 (20...f5!?=+) 21.Ng4+= Nac7?? (Better is 21...f6 22.a4 ba4=) 22.Nh6# 1–0. Wall,Bill – Junior, Internet, 2003.

4.bc5 Qa5 5.Nf3 Qc5 6.d4 Qc7 7.e3 Bd6 8.Bd3 Nf6 9.Nbd2 0–0 10.0–0 a6 11.Ne5 Nbd7 12.Nd7 Bd7 13.c4 dc4 14.Bc4 b5 15.Bb3 Bh2 16.Kh1 Bd6 17.Ne4?? Ne4–+ 18.Rc1 Qd8 19.d5 Qh4 (20.Kg1 Qh2#) 0–1. alaamattar (2100) – wbartier (1910), net–chess.com, 2005.

4.bc5 Nc6 5.e3 Qa5 6.Bc3 Qc5 7.Nf3 Bd7 8.g3 0–0–0 9.Ne5 Ne5 10.Be5 f6 11.Bd4 Qa5 12.Bg2 Bc5 13.Bc3 Qc7 14.0–0 Bd6 15.a4 Ne7 16.a5 b6 17.ab6 Qb8 18.ba7 Qa8 19.Na3 Bc6 20.Bd4 Nf5 21.c4 Nd4 22.ed4 g5 23.cd5 ed5 24.Qb3 Rd7 25.Nb5 Bb5 26.Qb5 Ra7 27.Rac1 Bc5 28.Rc5 Rc7 29.Rc7 Kc7 30.Rc1 Kd8 31.Bd5 Qa7 32.Re1 h5 33.Qc6 Qd4 34.Qd6 Kc8 35.Bb7 Kb7 36.Qd4 Rh6 37.Rb1 Kc8 38.Rc1 Kb7 39.Qb4 Ka6 40.Ra1 1–0. bombolo – SmallThought, ICS blitz, 2001.

4.bc5 Nd7 5.d4 Ngf6 6.e3 Be7 (6...b6 7.cb6 Qb6 8.Bc3=) 7.c4+= 0–0 8.cd5 ed5 9.Bd3 b6 10.c6 (10.cb6 Nb6 11.Nf3 Nc4+=) 10...Nb8= 11.Qa4 Qd6 12.Bb5 a6 13.Nd2 ab5 (13...Ra7!?=+) 14.Qa8+= Nc6 15.Rc1 Bd7 16.Qa6 Nb8 17.Qa7 Nc6 18.Qb6 Ng4 19.Ngf3 b4 20.Ra1 ba3? 21.Ba3+– Qe6 22.Be7 Ne7 23.Qe6 Be6 24.h3 Nf6 25.Ke2 Nd7 26.Ra7 Rc8 27.Rb1 Kf8 28.Rbb7 g6 29.Rd7 Bd7 30.Rd7 Rc1 31.e4 de4 32.Ne4 Rc2 33.Kd3 Rc1 34.Nfg5 h6 35.Nh7 Ke8 36.Nef6 1–0. market (1715) – spank_thru (1665), GameColony.com, 2002.

4.e3 cb4 5.ab4 Bb4 6.Nf3 Nf6 7.Nc3 0–0 8.Be2 Nc6 9.0–0 Ne7 10.d3 Ng6 11.e4 Bc3 12.Bc3 de4 13.de4 Qd1 14.Rad1 Ne4 15.Ba1 b6 16.Bb2 Bb7 17.Ba3 Rfc8 18.Rd7 Bc6 19.Rd4 Nc3 20.Ba6 Re8 21.Rc4 Ne2 22.Kh1 Bf3 23.gf3 Nef4 24.Bb5 Rec8 25.Rd4 Rc2 26.Bd3 Nd3 27.Rd3 h6 28.Rd7 a5 29.Rb7 Nf4 30.Rd1 Nh3 31.Rdd7 Rf8 32.Bf8 Nf2 33.Kg2 1–0. Nautiluschess – JohnnyV, internet, 2001.

4.e3 Nc6 5.c3 Nf6=+ 6.Nf3 Be7 7.Be2 0–0 8.0–0 Bd7 9.d3 a6 10.Nbd2 b5 11.bc5 Bc5 12.c4 bc4 13.dc4 Rb8 14.Rb1 dc4 15.Bc4 Qe7 16.Qe2 a5 17.a4 ½–½. Diederich,Hauke – Reiss,Rebekka, GER–ch U13 Oberhof, 1998.

4.e3 Nf6 5.bc5 Bc5 6.Bb5 Bd7 7.Be2 =+.

5.Bg7+– Qb6 6.d4 Qb2 7.c3 Bd7?? 8.dc5 Na6 9.Bh8 Nc5 10.Nd2 f6 11.c4 Na4 12.e3 Rc8 13.Qc1 Qe5 14.Rb1 b5 15.Qc2 Qh5 16.h3 Qh6 17.Bd3 a6 18.Rb4 Qf8 19.Qd1 Nc5 20.Qh5 Qf7 21.Qh7 Nd3 22.Qd3 dc4 23.Nc4 bc4 24.Rc4 Rd8 25.Rh4 Bc6 26.Qc2 Qc7 27.Ne2 Qa5 28.Qc3 Ba4 29.0–0 Qb5 30.Nd4 Qd5 31.Qb4 Bb5 32.Nb5 ab5 33.Qg4 e5 34.Qg6 Kd7 35.Bf6 Kc8 36.Bd8 Qd8 37.Rh8 Qa5 38.Qg8 Kb7 39.Qc8 Kb6 40.Qd8 Ka6 41.Rh6 Kb7 1–0. Frech,Josef – Pichler,Anna, Schwarzach op–C, 2001.

5.Bg7 Qb6 6.e3 d4 7.Qe2 Bd7 +–.

5.Bg7 Bd4 6.Bd4 Nf6 7.e3 +–.

5.Bg7 Be7 6.Bh8 Bf6 7.Nc3 Bh8 8.Rb1 Nc6 9.e4 d4 10.Nb5 a6 11.Qg4 Kf8 12.Nf3 ab5 13.Bb5 e5 14.Qh4 Qh4 15.Nh4 Bf6 16.Nf5 Bf5 17.ef5 Rc8 18.0–0 Kg7 0–1. saetta – Betty, ICS, 1999.

5.d3 Bc5=+ 6.Nd2 Nf6 7.Ngf3 Nc6 8.Nb3 e5 9.c3 Bb6 10.cd4 Nd4 11.Nbd4 ed4=+ 12.h3 0–0 13.g3 Nd5 14.Rc1 Ba5 15.Nd2 Nc3 16.Qc2 Be6 17.Bg2 Rc8 18.Bc3 Rc3 19.Qb1 Qb6 20.0–0–/+ Rc1 21.Qc1 Rc8 22.Qd1 Qb2–/+ 23.Nb1?? Bb3–+ (24.Nc3 Bd1 25.Nd1 Qe2–+) 0–1. Betke,Arno – Dupke,Andreas, Mecklenburg LL, 1992.

5.e3!? de3 6.fe3 +=.

4.b5 Nb8 5.Nf3 =.

4.b5 Nce7 5.a4 a6 6.e3 Bd7 7.Nf3 f6 8.Nc3 g6 9.Be2+= Bg7 10.0–0 f5 11.Rb1 c6? 12.bc6 Bc6 13.h4 Rb8 14.d4 Nf6 15.Ng5 h6?? 16.Ne6+– Qd7 17.Ng7 Kf7 18.Nf5! Qf5 19.g4 Qd7 20.h5?? g5? 21.f4 gf4 22.Rf4 Rhg8 23.Qf1 Qe6 24.Qg2 Bb5?? 25.Kf1 Be2+/– 26.Ne2 Qe3 27.Bc1+/– Qf4?? 28.Bf4+– Rg4 29.Qf3 Rc8 30.Be5 Rc2 31.Qf6 Ke8 32.Rb7 Nf5 33.Qh8 (33...Rg8 34.Qg8; 33.Qe6 Kd8 34.Qd7) 1–0. esko – wthomas, net–chess.com, 2001.

4.e3 Bd6 5.Bg7 Be7?? 6.Bh8 Bf6 7.Bf6 Qf6 8.d4 Bd7 9.Nf3 0–0–0 10.c4 dc4 11.Bc4 e5 12.de5 Ne5 13.Nbd2 Nf3 14.gf3 Bh3 15.Qe2 Bg2?? 16.0–0–0 Bf3?? 17.Nf3 Rd1 18.Rd1 Qa1 19.Kc2 Qa3 20.Nd4 Qb4 21.Bf7 Qc5 22.Kd3 Nf6 23.Be6 Kd8 24.Qf3 Qa3 25.Ke2 Ke7 26.Bg4 Ng4 27.Qg4 Qd6 28.Nf5 (28...Kd8 29.Nd6 cd6 30.Rd6 Ke7 31.Qe6 Kf8 32.Rd8 Kg7 33.Rg8#) 1–0. coloplayah (2170) – islanderfan (1735), net–chess.com, 2006.

4.e3 Nh6 5.Nf3 a6 6.c4 dc4 7.Bc4 b5 8.Be2 Nf5 9.d4 Bb7 10.0–0 Nb8 11.Nc3 Bf3 12.Bf3 c6 13.Ne4 f6 14.Qb3 Bd6 15.Qe6 1–0. Wall,Bill – BobbyX, Internet, 2000.

4.g3 Bd7 5.Bg2 Nf6 6.d3 Bd6 7.Nd2 0–0 8.e3 e5 9.c4 dc4 10.Nc4 Be6 (10...b5 11.Nd6 cd6 12.Ne2=) 11.Ne2 Qe7 12.Nd6 cd6 13.0–0 Rfd8 14.Qa4 Bd5 15.e4 Be6 16.Rac1 a6 17.f4 b5 18.Qd1 Rac8 19.f5 Bd7 20.d4 Ng4 21.Qd2 ed4 22.Nd4 Nf6 23.Nc6 Bc6 24.Bf6 Qf6 25.Qf4 Re8 26.Rfe1 Qd4 27.Qe3 Qe3 28.Re3 f6 29.h4 Bb7 30.Rc8 Rc8 31.h5 h6 32.Kh2 Rd8 33.Kh3 d5 34.ed5 Bd5 35.Bd5 Rd5 36.g4 Rd2 37.Re8 Kf7 38.Kh4?? Rd3 39.Rb8 Ra3 40.Rb7 Kg8 41.Rb6 Ra4 42.Rb8 Kf7 43.Rb7=+ Ke8 44.Rb8 Kd7 45.Rg8 Rb4 46.Rg7 Kd6 47.Rg6 a5?? 48.Rf6= Ke5 49.Ra6 a4 50.f6 Rf4 51.Rb6 Rf6 52.Rb5+/– Ke6 53.Ra5 Rf4 54.Ra6 Ke5 55.Rh6 a3?? 56.Ra6+– Rf3 57.h6 a2 58.Ra2 Kf6 59.Ra6 Kf7 60.Kg5 Rh3 61.Rf6 Kg8 62.Kg6 Kh8 63.Rf8# 1–0. baudrey – shakewell, Live Game Caissa's Web, 2004.

4.c3 a5 5.e3 ab4 6.cb4= b5 7.d4 Nf6 8.Nf3 Ne4 9.Bd3 Nd6 10.Nbd2 Be7 11.0–0 Nc4 12.Nc4 dc4 13.Bc2 0–0= ½–½. Fournier,Frederic – Lucas,Bernard, Partie amicale Senlis, 1993.

4.c3 Bd6 5.c4 Nf6 6.cd5 ed5 7.Nf3 =+.

4.e3 Ba4 5.Be2 d4 6.Bd4 Qd5? (6...Ne7 7.Nf3+/–) 7.Nf3 (Better is 7.Bf3 Qg5 8.Nh3+–) 7...Qe4?? (7...Qf5 8.g4 Qg6 9.Ne5+–) 8.d3 (Better is 8.Nc3!? Qc2 9.Bb5 c6 10.Ba4 Qd1 11.Rd1 Nf6+–) 8...Qg4? 9.0–0 Bd6 10.Be5 Qh5?? 11.Bg7 Bc6 12.Nbd2 Nh6?? 13.Bh8 Ng4 14.h3 Nh6 15.Bb2 Nd7 16.Ne5! Ne5 17.Bh5 0–0–0 18.d4 Nd7 19.c4 Rg8 20.e4 b5 21.e5 Rg2 22.Kh1 Rf2 23.Kg1 Rg2= 24.Kh1 Rd2?? 25.Kg1 Rg2= 26.Kh1 Rb2?? +–. Anden – 4050, Live Game Caissa's Web, 2004.

4.e3 f6 5.c4 Nc6 6.cd5 ed5 7.Qh5 g6 8.Qd5 Bd6 9.b5 Na5 10.Bc3 (10...Ne7 11.Qf3+–) 1–0. Wall,Bill – Thinker, Microsoft Gaming Zone, 1999.

4.Nf3 c5 5.c3 c4 6.Ne5 Nc6 7.Nd7 Qd7 8.g3 b5 9.Bg2 Nf6 10.0–0 Bd6 11.d3 0–0 12.Nd2 cd3 13.ed3 Ne5 14.Nf3 Nf3= 15.Qf3 Rab8 16.Ra2 a6 17.Ba1 Be7 18.Re1 Qd6 19.Rae2 Rfe8 20.Qe3 Ng4 21.Qf4 Qf4 22.gf4 f5? 23.Re6+– Kf7? 24.Ra6 Bh4 25.Bd5 Kf8 26.Re8 Re8 27.Re6 Bf2 28.Kg2 Rd8 29.Bf3 Bh4 30.Bg4 fg4+/– 31.d4 Kf7 32.Re5 Rb8 33.h3 gh3 34.Kh3 Bf6 35.Rc5 Be7 36.Rc7 Ra8 37.Bb2 Ra6 38.d5 Ke8 39.Rc6 Rc6+/– 40.dc6 Bf6 41.Kg4 Kd8+= 42.Kf5 Kc7 43.Ke6 Kc6=+ 44.f5 h5–/+ 45.Kf7 h4–+ 46.Bc1 h3 47.Bf4 Kd5 48.Kg6? Be5 49.Bh2 Bh2 50.Kg7 Be5 (51.f6 h2–+) 0–1. Chairboy – Tricky Rabbitt, ChessWorld.net, 2005.

4.Nf3 Nf6 5.e3 =.

4.d3 Nf6 5.c4 c6 6.Nd2= Be7 7.Ngf3 0–0 8.g3 Nbd7 9.Ng5 Nb8 10.Nb3 f4 11.Nd4 Qd6? 12.Bh3 e5? 13.c5+– Qc7 14.Nde6 Be6 15.Be6 Kh8 16.Nf7 Rf7 17.Bf7 Nbd7 18.Be6 Nf8 19.Bh3 Ng6 20.Qd2 d4 21.Bf5 Nd5 22.Bg6 hg6 (Black gets the initiative) 23.gf4 Nf4 24.e3 de3 25.fe3 Bh4 26.Kd1 Nd3 27.Kc2 Rd8 28.Qg2 Qf7 29.Rhf1?? Qc4–/+ 30.Bc3 (30.Kb1 Ne1 31.Re1 Be1–/+) ½–½. Bui Dac Khuong – Dinh Giang Nam, VIE–ch U15 Vung Tau, 2004.

4.e3 Nd7 5.Qh5 g6 6.Qd1 Ngf6 7.c4 Bg7 8.cd5 ed5 9.Nf3 0–0 10.Ng5 Qe7 11.Bb5? c6–+ 12.Ba4 Ne4 13.Bg7 Qg7 14.Ne4 fe4 15.Nc3=+ Ne5 16.0–0 Nd3 17.Bc2= Ne5 18.b5 Bf5 19.bc6 bc6–/+ 20.Ba4 Qc7 21.Rc1 Ng4 22.g3 Be6 23.Bb3 Qd6 24.d3 Rad8?? 25.de4+= d4? 26.Be6 Qe6 27.ed4 1–0. badboy1221 – unidentified, caissa.com, 2006.

4.e3 Nf6 5.Nf3 =.

4.Nf3= Nf6 5.e3 Bd6 6.c4 c6 7.d4 Nbd7 8.Nc3 0–0= 9.Bd3 Ne4 10.0–0+= g5 11.c5 Bb8 12.Nd2 Rf6 13.Ne2 g4 14.f3 g3? 15.fe4+– gh2 16.Kh1 Rg6?? 17.ef5 ef5 18.Bf5 Rg5 19.e4 Nf6 20.Bc8 Qc8 21.Rf6 Qg4 22.Qf1 (22...Bc7 23.e5+–) 1–0. Wall,Bill – Streetman Perry, Internet, 2003.

4.g3 Nf6 5.Bg2 Bd6 6.e3 c6 7.Ne2 a6 8.d3 Nbd7 9.Nd2 Qe7 10.c4 0–0 11.c5 Bc7 12.0–0 g6 (12...e5 13.Qc2=) 13.e4 fe4 14.de4 de4 15.Ne4 Ne4 16.Be4 e5 17.Qb3 Kg7 18.f4 Re8 19.g4 (19.Rae1 Nf6 20.Bg2 Be6+/–) 19...Qe6 (Better is 19...Nf6 20.Ng3 Bg4 21.fe5 A) 21...Ne4 22.e6 (22.Ne4?! Be6 23.Qg3 Rf8+=) 22...Kg8 23.Ne4 Be6 24.Qc3+–; B) 21...Be5=+) 20.f5?? Qb3–+ 21.f6 Nf6 22.Bc1 Ne4 (23.Rb1 Qd3–+) 0–1. audrey – CJC1934, Live Game Caissa's Web, 2004.

4.a4 Nd7 5.Nf3 b6 6.e3 Bb7 7.c4 ab5 8.ab5 dc4 9.Bc4 Ra1 10.Ba1 Ngf6 11.0–0 Bd6 12.Nc3 0–0 13.d3 Ne5 14.Ne5 Be5 15.f4 Bd6 16.Bb2 c6 17.Qe2 cb5 18.Nb5+= Bc5 19.Ra1 Nd5 20.d4 Bb4 21.Ra7 Bc6 22.g3 Bb5 23.Bb5+= Ba5 24.e4 Nc7 25.Bd3?? Qb8–/+ 26.Rc7 Qc7 27.e5 Rd8 28.f5 ef5 29.Bf5 Bc3–+ 30.e6 Bb2 31.Qb2 fe6 32.Be6–/+ Kh8 33.d5 Qc5–+ 34.Kg2 Rd5 35.Bd5–/+ Qd5 36.Kf2 Qc5 37.Kf3 h6 38.h4 b5 39.Qb3 b4 40.Qd3 Qc3 41.Ke3? Qc1 42.Kf3 Qc3 43.Qc3 bc3 44.Ke3 c2 45.Kd2= c1Q 46.Kc1 Kh7 47.Kd2 Kg6 48.Ke3 Kf5 49.Kf3 g5 50.g4 Kg6 51.h5 Kf7 52.Ke3 Ke6 53.Ke4+= Kf6 54.Kd5 Kg7?? 55.Ke6+– (55...Kg8 56.Kf6+–) 1–0. Fredek (2065) – Guest858317, Freundschaftspartie, 5m + 0s, 2006.

4.e3 ab5 5.Bb5 c6 6.Bd3 Nf6 7.f4 Bd6 8.Nf3 (8...0–0 9.0–0=+). pcmvr (2530) – tomy (2175), net–chess.com, 2006.

4.e3 c6 5.c4 ab5 6.cb5 Qd7 7.Nf3 cb5 8.Ne5 Qd6 9.Bb5 Nd7 10.a3 Ra5 11.Qc2 Qc6 12.Bc6 bc6 13.Qc6 Kd8 14.Nf7 Ke8 15.Qe6 Be7 16.Nh8 Rc5 17.Qf7 Kd8 18.Qg8 Nf8 19.Nc3 1–0. Bonetti,Shane – kanadi, ICC, 2002.

6.Ba1 c6 7.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c6).

6.Ba1 Qd7 7.e3 b6 8.f4 Bd6?? 9.Nf3 Nf6 10.c4 (10...Qd8 11.cd5 ed5 12.Bd3=; 10.Bf6 gf6 11.Nc3 Bb7=). pcmvr (2530) – tomy (2175), net–chess.com, 2006.

6.Ba1 Bd7 7.e3 c6 8.bc6 Bc6 9.Nf3 Qa5 10.Bc3 Bb4?? (Better is 10...Qd8+=) 11.Bg7+– Bf8 12.Bh8 f6 (12...Nd7 13.Be2+–) 13.Nd4 Bd7 (14.Qh5 Kd8 15.Qh7 Nh6 16.Bf6 Kc8+–; 13...Qc7 14.Ne6 Qf7 15.Nf8 Qf8 16.Qh5 Qf7 17.Qh3+–) +–. pcmvr – PiedPiper, ChessWorld.net, 2002.

6.Ba1 Bd7 7.e3 Nf6 8.Nf3 Bb4 9.c4 0–0 10.Qb3 Qe7 11.Be2 c6 12.Ne5 dc4 13.Bc4 cb5 14.Nd7 Nbd7 15.Bb5 Nc5 16.Qc4 Ra8 17.Bf6 gf6 18.Qg4 Kh8 19.0–0 Nb3 20.Qh4 f5 21.Qc4 Na5 22.Qc2 Qf6 23.d4 Bd6 24.f4 Nc6 25.Bc6 bc6 26.Qc6 Rd8 27.Nd2 Qg7 28.Rf3 Qg4 29.Qc3 1–0. Kilpatrick – Pollard, SCCA q70 1978.

6.Ba1 Nf6 7.f4 Bd6 8.e3 0–0 9.Nf3 c6 10.Bb2 Bd7 11.Nc3 Qa5 12.Qa1 Qa1 13.Ba1 Rc8 14.Bd3 cb5 15.Na2 Be7 16.0–0 Na6 17.Rb1 Bc6 18.f5 Nc7 19.fe6 fe6 20.Be5 Nd7 21.Bf4 Bf6 22.Nb4 Na6 23.Bd6 Nac5 24.Nd4 Bd4 25.ed4 Nd3 26.Nd3 Nf6 27.Bf4 Ne4 28.Nc5 Nc5 29.dc5 Ra8 30.Be5 Ra2 31.Rb2 Rb2 32.Bb2 b4 33.Kf2 Ba4 34.c3 b3 35.Ke3 Kf7 36.Kd4 Bb5 37.d3 Kf6 38.g3 g5 39.c4 dc4 40.dc4 Bc6 41.Kc3 g4 42.Kb3 Kf5 43.Kc3 Ke4 44.Bc1 h5 45.Bh6 e5 46.Bg7 Bd7 47.Bf6 Ba4 48.Bg7 Bd1 49.Kd2 Bf3 50.Kc3 Bg2 51.Bf6 Kf5 52.Bg7 Bf1 53.Bh8 e4 54.Kd4 Bd3 55.Bg7 Bc2 56.Kc3 Bd1 57.Kd4 Ba4 ½–½. Waibel – Gould, 1996.

5.e3 ab5 6.ab5 Ra1 7.Ba1 Qb6 8.Na3? Nf6 9.Qc1 Qa5 10.Bb2 Bd7 11.c4 cb5 12.cd5 Nd5 13.Nb5 Bc6 14.Nf3 f6 15.Be2 Kf7 16.0–0?? Bb5 17.Bb5 Qb5 18.Nd4 Qd7 19.Nb3 Bd6 20.d4 Rc8 21.Qd1 Qc7 22.Qh5 Kg8 23.Rc1 Qd7 24.Nc5 Bc5 25.Rc5 Rc5 26.dc5 Nc6 27.e4 Nde7 28.Qg4 Ng6 29.h4 Nce5 0–1. J A Nielsen – Hermansen, DK 1968 (Nielsen).

5.e3 ab5 6.ab5 Ra1 7.Ba1 f5 8.c4 (8.Nf3 Nf6=) 8...Nf6= 9.Nf3 Bd6 10.Nc3 (10.d4 dc4 11.Bc4 cb5 12.Bb5 Bd7 13.Bd7 Qd7=) 10...0–0 11.Be2 Nbd7 12.0–0 (12.Nd4 Ne5 13.bc6 Nc6= (< 13...dc4 14.cb7 Bd7 15.f4+/–)) 12...Ne4 13.Ne4 fe4 14.Nd4 e5?? 15.Ne6+/– Qf6 16.Nf8+– Nf8 17.g3 Bh3+= 18.Re1 Ne6 19.cd5+– cd5 20.Bf1 Ng5–/+ 21.Kh1 Bf1 22.Rf1 Nf3 23.Kg2 Qh6 24.h3 g5 25.Rh1 Qf6 26.d4 ed4= 27.Bd4 Nd4 28.ed4 1–0. stoker – fierce, Live Game Caissa's Web, 2004.

5.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 c6).

4.a4 a6 5.Nf3 =.

4.a4 Bb7 5.g3 Bb4?? 6.Bg2 Nd7?? 7.e3 Ngf6= 8.Ne2 0–0 9.0–0 Ne4 10.d3 Nef6 11.Nbc3 Nc5 12.Na2 Ba5 13.c4 dc4 14.Bb7 Nb7 15.dc4 Qd1 16.Rad1 Ng4 17.h3 Nh6 18.Nd4 Rad8 19.g4 Nd6 20.Nc6 Nc4 21.Bd4?? Rd6 22.Ne7 Kh8= 23.Rc1 Nd2 24.Rfd1 Nf3 25.Kg2+/– Nd4 26.ed4 Rfd8 27.Rc7+/– g6 28.Nc6 R8d7 29.Rc8 Kg7 30.Nc1 Bc3? 31.Ne2 Ba5+/– 32.Kf3 f5 33.g5 Nf7+/– 34.Nf4 Ng5 35.Ke3 e5 36.Ne5+/– Re6?? 37.Ne6+– Ne6 38.Re8 Nc5 39.Nd7 Nd7 40.Re7 Kf6 41.Rd7 Bb4 42.Ra7 Kg5 (42...h5 43.Rb7 g5 44.Rb6 Ke7 45.Rb1+–) 1–0. CrashTestDummy – bueno, Live Game Caissa's Web, 2005.

4.a4 Nf6 5.d3 Bd6 6.Nf3 h6 7.e3 0–0 8.Be2 Bb7 9.Bd4 c5=+ 10.Bb2 Nbd7 11.Nbd2 e5 12.0–0 Re8 13.c3 Rc8 14.Re1 e4 15.Nh4 Ne5 16.d4 Nd3 17.Bd3 ed3 18.Nf5 c4 19.Bc1 Qd7 20.Nd6 Qd6=+ 21.Nf3 Ng4 22.g3 Re4 23.Nh4 Qf6?? 24.f3+– Rce8 25.fe4?? Qf2 (26.Kh1 Qh2) 0–1. Rudolf – joelynnturner, chesshere.com, 2007.

4.e3 a5 5.ba6 Nf6 6.h3 Ba6 7.Ba6 Ra6 8.Qe2 Ra8 9.Nf3 Be7 10.Nc3 0–0 11.0–0 c5 (11...Nbd7!?=+) 12.d3 Qd7 13.a3 b5 14.Nd1 c4 15.d4 (15.Nc3 Na6=) 15...Qd8 16.c3 Nbd7 17.g4 Ne4 18.Kg2 Bg5 19.Ng5 Qg5 20.f4 Qe7 21.a4? ba4 22.Ba3 Qd8 23.Bf8 Qf8 24.Ra2 Ndf6 25.g5 Ne8 26.Nf2?? f6?? 27.Ne4+– de4 28.f5 Qf7 29.Qg4 ef5 30.Qf5 g6 31.Qf6?? Nf6–+ 32.Rf6 Qd7 33.Ra3 Rf8 34.Rf8 Kf8 35.h4 Kg7 36.Kg3 h6 37.gh6 Kh6 38.Kf4 Qf5 39.Kg3 Kh5 40.Ra4 Qf3 41.Kh2 Kh4 42.Rc4 g5 43.d5 g4 44.d6 Qg3 45.Kh1 Kh3 46.Re4 0–1. MasterofDisaster – georgizz, Live Game Caissa's Web, 2004.

4.e3 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd7 8.Nf3 Nf6 9.Be2 Bb4 10.0–0 h6 11.Ne5 Rg8 (Better is 11...0–0!?+=) 12.c4 dc4 13.Bc4 Ne4 14.d3 Nd6 15.Nd2 (15.Qb3!? Ba5+–) 15...Bb5 16.Nb3?? (Better is 16.Bb5!? Nb5 17.Ndc4+–) 16...Bc4 17.dc4+= c5 18.Qf3 f6 19.Qh5 Ke7 20.Ng6 Kd7 21.Rd1 Kc7 22.Nf4 Qe7 23.Ng6 Qf7= 24.Rd6 Kd6–/+ 25.Qg4 Nc6 26.e4? e5–+ 27.Qd1? Nd4 28.Nd4 ed4 29.Bd4 Ra8?? 30.Bb2?? Kc7–/+ 31.Nf4 Qd7 32.Nd5= Kc6 33.Qe2 Ra2= 34.h3?? Qa7?? 35.Qg4 g5?? 36.Qe6 Kb7 37.Qd7 Ka6? 38.Qa7 Ka7–/+ 39.Bf6 Rd2 40.Bg7 Rd1 41.Kh2 Bd2 42.Bh6 1–0. Grits – kdfoerster, Live Game Caissa's Web, 2004.

4.e3 Bd7 5.a4 c5 6.g3 Ne7 7.Bg2 a6 8.Nc3 ab5 9.Nb5 Bb5 10.ab5 Nd7 11.Ne2 Ng6 12.0–0 Bd6 13.Ra8 Qa8 14.Bg7 Rg8 15.Bb2 Qa5 16.Nc3 Be5 (16...Qb4 17.Ba1+/–) 17.Qa1 (17.f4!? Qb4 18.Qa1 Bb8+–) 17...Ke7 18.Qa5 ba5 19.f4 Bc3 20.Bc3 a4 21.Ra1 Nb6 22.d4 Kd6?? 23.dc5 Kc5 24.Bd4 Kb5 25.Bb6 Kb6+= 26.Ra4 Kc6 27.c4 Rd8 28.cd5 ed5 29.Ra7 1–0. MasterofDisaster – nexx, Live Game Caissa's Web, 2004.

4.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6).

4.Nf3 a6 =.

4.Nf3= Bb7 5.e3 Nd7 6.c4 Ngf6 7.d4 c6 8.Nc3 cb5 9.cd5 Nd5 10.Bb5 Bb4 11.Rc1 0–0 12.0–0= N7f6 13.Ne2 a6 14.Bd3 b5 15.Ng3 Bd6 16.e4 Nf4 17.Bb1= Bc7 18.d5 ed5+= 19.Bf6 gf6 20.Nh4 Kh8 21.Qc2 Be5 22.Rfd1 d4 23.Nhf5 Rc8 24.Qb3 Rc1 25.Rc1 d3 26.Rd1= Qa8 27.Bd3 Nd3 28.Qd3+/– Bg3?? 29.Qg3+– Rg8 30.Qd6 Be4 31.Qf6 (31...Rg7 32.Qg7#) 1–0. Wall,Bill – Cheryl, Internet, 2005.

4.Nf3 Be7?? 5.Bg7+– Bf6 6.Bh8 Bh8 7.d4 Bb7 8.e3 Nd7 9.c4 Qf6 10.cd5 Bd5 11.Qc2 Bf3 12.gf3 Qf3 13.Rg1 0–0–0 14.Bg2 (14.Nd2 Qh5+–) 14...Qh5 15.Qc6 Ne5 (15...Nb8 16.Qb7 Kd7 17.Nc3+– (17.Qa7 Qh2 18.Bc6 Nc6 19.bc6 Kc6+/–)) 16.Qb7 Kd7 17.Bc6 Kd6 18.Nc3 Nd3 19.Kd2 Nc5?? 20.dc5 Ke5 21.Ke1 bc5 22.Qc7 (22...Rd6 23.Ne4 Qh4 24.Qd6 Kf5 25.Qc5 Be5 26.Nd6 Kf6 27.Ne8 Kf5 28.Qc2 Qe4 29.Be4#) 1–0. Taulien,Hans_Juergen – Neffgen,Dieter, remoteschach.de, 2002.

5.Nf3 a6 =.

5.f4 Nf6 6.Nf3 a6 7.Nc3 =.

5.f4 Nf6 6.Nf3 Bc5 7.d4 Bb4 8.c3 Ba6?? 9.h3 Ne4 10.Bd3 f5? 11.Ng5! Ng5 12.Qh5?? Nf7 13.Nd2 Nd7 14.g4?? c6 (15.gf5 Nf6= (< 15...Bb5 16.Bb5 Nf6 17.Bc6 Ke7 18.Qd1+/–); better is 14...g6 15.gf5 gh5 16.fe6 Qe7 17.ef7 Kf7–+) 0–1. Van den Berg,CB – Mommersteeg,J, corr NED–ch H, 1986.

5.f4 Qh4 6.g3 Qh6 7.Bg2 Nf6 8.c4 Be7 9.Bf6 Qf6 10.d4 Bb4 11.Kf2= c6 12.bc6 Bc6 13.cd5 ed5= 14.Qb3 Qd6 15.Ne2 0–0 16.Rc1 Ba5 17.Nbc3+/– The pressure on the isolated pawn grows 17...Rd8 18.Nb5 Qd7= 19.Nec3 Bc3 20.Nc3 Qe6 21.Rc2 h6 22.Rac1 Rd6 23.Nd5?? Bd5–/+ 24.Bd5 Rd5 25.Rc8 Kh7 26.Rf8 Qd7 27.Rcc8+/– Rh5 28.h4 Kg6? 29.Rcd8 Qc7 30.Qd3 Kf6 31.e4 Nd7 32.e5 (32...Re5 33.fe5 (33.Ra8?! Ra5 34.Rfc8 Ra2 35.Kg1 Qd6+–) 33...Qe5 34.de5 Ne5 35.Rd6 Ke7 36.Qd5 Ng4 37.Kf3 Ne5 38.Ke4 b5 39.Rd7 Nd7 40.Rf7 Ke8 41.Qd7) 1–0. Suess,Stefan – Boehringer,W, corr, 1984.

5.c4 dc4 6.Bc3 Bb7=+ 7.Bd3?? g6 8.Bb2?? c5 9.Bf1 Nb8?? 10.Ne2 Bh6?? 11.d3 Qd4?? 12.Nf4 Bc8 13.g4 Kf8 14.Ne2 Qe3 15.g5! Bd7?? (15...Bg5 16.fe3) ½–½. Mroz,Antoni – Wantulok,J, corr ch Poland distr, 1993.

5.d3 Ngf6 6.Nd2 Bb7 7.Ne2 Bd6 8.Nd4 Be5 9.N2f3 0–0 10.Be2 Bd4 11.Nd4 Nc5 12.0–0 Qd6 13.g3 Na4 14.Bc1 Nc3 15.Qd2 Ne2 16.Qe2 c5 17.bc6= Bc6 18.a4 Bd7 19.Ba3+/– Qc7 20.Bf8 Rf8 21.Nb5 Bb5 22.ab5+– Rc8 23.Rac1 Nd7 24.c4 dc4 25.Rc4 Qb7 26.Rfc1 Rc4 27.Rc4 h6 28.d4 Qd5 29.Rc8 Kh7 30.Qd3 g6 31.Rd8 Qb7 32.e4 Kg7?? 33.d5+– Qc7 34.de6 Qd8 35.Qd7 Qd7 36.ed7 Kf6 37.d8Q Ke6 38.f4 f5 39.e5 g5 40.Qd6 Kf7 41.e6 Kg6 42.e7 Kh5 43.e8Q Kg4 44.h3! Kg3 45.Qe3 Kh4 (46.Qh6#) 1–0. MasterofDisaster – bueno, Live Game Caissa's Web, 2005.

4.c4 Nf6 5.Nf3 Bd6 6.Bf6 (6.cd5!? ed5 7.Nc3=+) 6...Qf6–/+ (6...gf6?! 7.cd5 ed5 8.Nc3=) 7.Nc3 d4 (Better is 7...dc4!? 8.Ne4 Qd8–/+) 8.Ne4= Qd8 9.e3 e5 10.ed4 ed4 11.Bd3 0–0 12.0–0 h6 (12...Re8 13.Qc2 Be7 14.Ng3=) 13.Re1 b6?? (13...Re8!?=) 14.Nd6+= Qd6 15.Be4 (15...Nc6 16.Bc6+–) 1–0. Taulien,Hans_Juergen – Mollitor,Jan, remoteschach.de, 2002.

4.bc6 Nc6 5.e3 Nf6 6.c4 d4 7.Nf3 e5 8.Qb3 Be7 9.Na3 0–0 10.Be2 d3 11.Bd1 e4 12.Nd4 a6 13.Rc1 Nd7 14.Ba1 Qa5 15.Nb1 Qg5 16.g3 Nde5 17.f4 ef3 18.Nf3 Qf5 19.Be5 Ne5 20.Ne5 Qe5 21.Qd3 Bf5 22.Qd4 Qd4 23.ed4 Bf6 24.d5 Rfe8 25.Kf2 Bd4 26.Kg2 Bb2 27.Rc2 Be4 28.Kh3 Bd4 29.Rf1 Rad8 30.Rc1 Rd6 31.Bf3 Bf3 32.Rf3 Rh6 33.Kg4 Rh2 34.Rff1 h5 35.Kf3 g5 36.Rh1 Rf2# 0–1. Deregowski,R – Olbrich, Recklinghausen, 1994.

4.e3 b6 5.g3 Bb7 6.Bg2 Nf6 7.a4 a5 8.Nh3 h6 9.0–0 d4?? 10.Bb7+– Ra7 11.Bg2 e5 12.c4 Bd6 13.e4 0–0 14.d3 Be7 15.Nd2 Nh7 16.Nf3 Nd7 17.Bc1 f5 18.ef5 Rf5 19.g4 Rf8 20.Re1 Bf6 21.Bd2 Rf7 22.Qc1 g5 23.Kh1 Ndf8 24.Ne5 Be5 25.Re5 Ng6 26.Re6 Nh4 27.Bd5 Rad7 28.Rh6 Rd5 29.Rh4! gh4 30.cd5 Qd5 31.Kg1 Qf3 32.Nf4 Qg4 33.Kf1 Qf3? 34.Ke1?? Re7–+ 35.Kf1 Qh1# 0–1. tschulz – Jonas84, internet, 2004.

4.e3 Qb6 5.a4 a6 6.c4 Nf6 7.Nf3 Ne4 8.d3 Nf6 9.Be2 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Bc3 Qb6 13.0–0 Bd6 14.d4 cd4 15.Nd4 0–0 16.Nd2 Nbd7 17.Qb3 Nc5 18.Qb2 Na4 19.Qb3 dc4?? (19...Nc3 20.Qc3 Qc7 21.f4=+) 20.Bc4 (Better is 20.Qa4 Qc7 21.b6 (21.Bc4?! Bh2 22.Kh1 Bd6+–) 21...Bh2 22.Kh1+–) 20...Nc3=+ 21.Qc3 Nd5 22.Qb2 Qc5 23.Bb3 Nb4 24.Ne4 Qh5?? 25.Nd6+– Bd7 26.Nb7 Nd3 27.Qa2 Ne5 28.Nc6 Ng4? 29.h3 Ne5 30.Ne5 Qe5 31.Rd1 Bb5 32.Bc4 Bc6 33.Na5 Ba8 34.Nb3 Qe4 35.f3 Qe3?? 36.Kh1 Bf3 37.Nd4?? Bd1–+ 0–1. OPA – GirlPower69, Live Game Caissa's Web, 2004.

4.e3 Nf6 5.Nf3 =.

5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd7 8.c4 dc4 9.Bc4 Ne7 10.Nf3 Nd5 11.0–0 Be7 (11...f6!?+=) 12.Bg7+/– Rg8 13.Be5 Bf6 (13...f6 14.Bg3 Nb6 15.d3+/–) 14.Bd5 Bb5? 15.Bf6+– Qf6 16.Re1?? ed5 17.Qb3 Bc6 18.Qb6?? Nd7 19.Nc3?? Nb6 0–1. baqua – Bezek, Live Game Caissa's Web, 2004.

5.a4 Bd7 6.c4 (6.Nf3 Nf6=) 6...dc4 (6...Nf6 7.d4=) 7.Bc4 ab5 (7...Nf6 8.Qf3 ab5 9.ab5 Ra1 10.Ba1=) 8.ab5 Ra1 9.Ba1 Qa5 10.Bc3 Qb6 11.Qa4 Nf6 12.Qa8 Qc7 13.b6 Qc8= 14.Nf3 Bd6 15.Qa1 Qd8= 16.0–0 0–0 17.Na3 Bc6 18.Ne5 Bd5 19.Rb1 Nbd7 20.Nd7+= Nd7 21.Bg7 Re8 22.Bd5 ed5 23.Bc3 Re6 24.h3 Rg6= 25.f4 Qh4=+ 26.Rf1 Qh3 27.Rf2 Qg3 28.Kf1 Rh6 29.Ke2? Qg4 30.Kd3 c4 31.Kc2 Qf5 32.Kb2 Nc5 33.Rf1 Nd3 34.Ka2 Ba3 35.g4 Qc8 36.Bd4 Bc5 37.Kb1 Rb6 38.Kc2 Bd4 39.ed4 Rb2 (40.Qb2 Nb2 41.Kb2 Qg4–+) 0–1. Norholm,Leif – Hansen,Berno, Supersyveren, 1997.

5.Nf3 Nf6 =.

5.a4 Nf6 6.Be2 a6 7.Nc3 g6 8.Nf3+= Bg7 9.d3 cd3 10.cd3 0–0 11.d4 Nbd7 12.0–0 a5 13.Nd2 e5 14.e4 ed4–/+ 15.Nd5 Nd5–+ 16.ed5 Nb6?? 17.Qb3 Nd5=+ 18.Bf3 Nb4 19.Rfe1=+ Bh6 20.Rad1= d3 21.Re4 Bg7 22.Bg7 Kg7 23.Qb2 Kg8 24.Rc1 Bf5 25.Rec4= Qb6 26.Rc7 Rab8 27.Re7 Nc6?? 28.Bc6?? bc6= 29.Re5 Rfe8 30.Rce1 Re5–/+ 31.Re5 Qb7 32.Qc3=+ Rc8 33.Rc5 Qe7 34.Qe5?? Re8?? 35.Qe7–/+ Re7 36.Kf1? Re2–+ 37.Nb3 Rb2 38.Rc6 Rb3 39.Ke1 Rb2 40.Rd6 h5 41.Rd4 Kg7 42.h3 Kf6 43.g4 Ke5 44.Rd8 hg4 45.hg4 Be4 46.f3 Kf4 (47.fe4 Ke3–+ (47...Ke4?! 48.g5–+); better is 46...Bd5 47.Kd1 Bf3 48.Kc1 Rc2 49.Kb1–+) 0–1. Michael – Gross,Wilhelm, corr, 1978.

5.d3 Qa5 6.Bc3 Qb5 7.dc4 dc4 8.Qg4 =.

5.d3 cd3 6.Bd3 Nf6 7.Nf3 Qa5 8.Bc3 Qb6 9.0–0+= Bd6 10.a4 Qc7 11.h3 e5= 12.Nfd2 e4 13.Be2= Bh3?? 14.gh3+– Bh2 15.Kh1 Be5 16.Rg1?? Bc3= 17.Nc3 g6?? 18.f4?? Qd7?? 19.Kh2 b6? 20.Bg4 Qd6?? 21.Ne2 h5+/– 22.Bh5?? Rh5+= 23.Ng3 Rh8 24.c4?? Qd7–+ 25.f5 g5?? 26.cd5= Qd5?? 27.Qb3?? Qd2 28.Rg2–+ Qd6 29.Rd1 Qe5 30.Qb4 g4 31.Kg1 gh3 32.Rdd2 hg2 33.Rg2 Ng4 34.Qb3 Nd7 35.Qd3 Rc8 36.Qd4 Rc1 37.Nf1 (37...Rh1!? 38.Kh1 Rf1 39.Rg1 Qh2#). ATUK – MEK, Live Game Caissa's Web, 2005.

4.a4 b6 5.e3 c5 6.c4 Bb7 7.Nf3 Nd7 8.Be2 Ngf6 9.Nc3 g6 10.0–0 Bg7 11.Qb3 dc4 12.Qc4 0–0 13.Rfd1 Bf3 14.Bf3 Ne5 15.Qe2 Nf3 16.Qf3 Qd3 17.Ne2 Qe4 18.Qe4 Ne4 19.Bg7 Kg7 20.d3 Nf6 21.Rac1 a6 22.d4 ab5 23.ab5 Ra2 24.Nc3 Rb2 25.dc5 bc5 26.Rb1 Rb1 27.Rb1 Nd5 28.Ne4 c4 29.Kf1 Rb8 30.Ke1 f5 31.Nd6 c3 32.Kd1 Rd8–/+ 33.Nb7 Ne3 34.Ke2 Rd2?? 35.Ke3+– f4 36.Kf4 Rd4?? 37.Ke3+– c2 38.Rc1 Rd7 39.Nc5 Rc7 (39...Rd1 40.Rc2 Kf6+–) 1–0. Pohl,M – Janke,Georg, Oberschwaben–chB, 1994.

4.a4 c5 5.e3 Ne7 6.c4 f5 7.Nf3 Qc7 8.d4 b6 9.Bd3 Bb7 10.0–0 Nd7 11.Nbd2 Nf6 12.Qc2 0–0–0 13.Rac1 dc4 14.Bc4 Bf3 15.Nf3 Ned5 16.Bd5 Rd5 17.Ng5 Kd7 18.Rfd1 h6 19.Nf7 Rh7 20.Ne5 Kd6?? (Better is 20...Ke8!?+/–) 21.Ba3 (Better is 21.Ng6 Be7 22.dc5 Kd7 23.Bf6 gf6 24.Nf4+–) 21...Qc8?? (21...Ke7 22.Ng6 Kf7 23.Nf8 Kf8 24.dc5 Rd1 25.Qd1 Kf7 26.cb6 Qb6+–) 22.dc5 bc5 23.Bc5 Qc5 24.Qc5 Ke5 25.Qc3 Ke4 26.f3# 1–0. Bonetti,Shane – Kibitz, 2000.

4.a4 Bd6 5.Bg7 Qe7 6.Bh8 Bc5 7.e3 Bd7 8.Bd4 Bd4 9.ed4 e5 10.de5 Qe5 11.Qe2 Qe2 12.Be2 c5 13.Nf3 b6 14.0–0 Be6 15.Re1 Nd7 16.Ng5 h6 17.Ne6 fe6 18.Bg4 e5 19.f4 e4 20.d3 Ndf6 21.de4 Ng4 22.ed5 Kd7 23.c4 Rf8 24.h3 N4f6 25.Kf2 Ne7 26.Nd2 Nf5 27.Ne4 Ne4 28.Re4 Nd4 29.g3 Kd6 30.Rae1 h5 31.Re7 h4 32.Ra7 hg3 33.Kg3 Rg8 34.Kf2 Rh8 35.Ra6 Rh3+– 36.Rb6 Kd7 37.Ree6! Ne6 38.Re6 Ra3 39.Rc6 1–0. tanto – tomy (1760), net–chess.com, 2001.

4.bc6 Nc6 5.e3 Nf6 =+.

4.e3 Qa5 5.a4 Nf6 6.Be2 Bd7 7.Nf3 c5 8.c4 Qc7 9.0–0 Be7 10.d4 b6 11.dc5 bc5 12.cd5 ed5 13.Bf6 Bf6 14.Qd5 Ba1 15.Qa8 0–0 16.Qe4 h6 17.Nbd2 Bf6 18.Rc1 Be6 19.Bc4 Bc4 20.Nc4 Qe7 21.Qe7+– Be7 22.h3 Rd8 23.a5 Rd3 24.Nfe5 Rb3 25.Nc6 Nc6 26.bc6 Rb8 27.Rd1 Rc8 28.Rd7 Bf6 29.c7 Kh7?? 30.Nd6 Rc7 31.Rc7 Be5 32.Rc6 Bf6 (32...Bd6 33.Rd6 c4 34.Rc6+–) 1–0. Woelfelschneider,Peter – Link,Herbert, PCM–2003–G2.21, 2003.

4.e3 Nf6 5.bc6 Nc6 6.Bb5 =.

(--> 3.b5 a6 4.a4 c6).

5.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 c6).

5.Nf3 ab5 6.ab5 Ra1 7.Ba1 Nf6 8.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.Nf3).

5.ab5 Bd7 6.e3 Qb6 7.c4 (7.Bd4!? Qd6 8.Ba7+/–) 7...dc4= 8.Bc4 Bb5 9.Bb5 (9.Qb3!? Ba6 10.Qb6 ab6 11.Nf3=) 9...Qb5=+ 10.Qc2 (10.Ba3 Nf6=+) 10...Nc6 11.Nc3 Qb6 12.Nf3 a6 13.Na4 Qc7 14.0–0 e5 15.Ng5 f6 16.Ne6+/– Qd6 17.Nf8 Kf8? 18.Ba3+– Nb4 19.Qb3 a5 20.Nc3 Ne7?? 21.Ne4 Qb6?? 22.d4 ed4 23.ed4 Qd4?? 24.Ng3 Nec6 25.Bb2 Qd5–/+ 26.Qd5 Nd5–+ 27.Nf5 Rd8 28.Ba3 Ndb4 29.Ne3 Kf7 30.Nc4 Nc2 31.Rad1 Na3 32.Na3 Rd1 33.Rd1 Rd8 34.Rb1 Rb8 35.h3 Ke6 36.Nc4? Kd5 37.Nb6 Kc5?? 38.Nd7+/– 1–0. stoker – henroo1, Live Game Caissa's Web, 2004.

5.ab5 Bd7 6.e3 Nf6 7.Nf3 a6 8.c4 a5 9.Qb3 dc4 10.Bc4+= b6 11.0–0 Be7 12.Nc3 0–0 13.d4 Bc8 14.Rfd1 Bb7 15.Ne5 Nd5 16.Na4 Bb4 17.Rac1 Qd6 18.e4+/– Nf6 19.f3 Nbd7 20.Nd7 Qd7?? 21.Nb6+– (21...Qe7 22.Na8 Ra8 23.Bc3 Bc3 24.Rc3+–) 1–0. Bittner – Hartmann, 1987.

5.ab5 Nf6 6.Nf3 =.

5.e3 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 c6 4.a4 d5 5.e3).

5.e3 Be7 6.Nf3 Nbd7 7.Be2 0–0 8.0–0 c5 9.c4 b6 10.d4 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7 10.d4).

5.a4 a6 6.ba6 Na6 7.c4 Nf6 8.Nf3 Be7 9.Be2 0–0 10.0–0 Ne4 11.Nc3 Nc3 12.Bc3 Bf6 13.Bf6+= Qf6 14.d4 Nc7 15.c5 Qe7 16.Bd3 f6 17.Qb1+– Rab8 18.Bh7 Kh8 19.Nh4 Be8 20.Bg6 f5 21.g3 Rf6 22.Be8 Ne8 23.f4 Rh6 24.Nf3 g6 25.Rf2 Qh7? 26.h4 Nf6 27.Ng5 Qe7 28.Kg2 Kg7 29.Qb3 Rhh8 30.a5 Rhe8 31.Qd3 Ra8+/– 32.a6 Qc7 33.Rb2 Ng4? 34.Rab1 Kf6 35.Rb7 Qb7 36.Rb7 Rf8 37.Nh7# 1–0. Labahn,Wolfgang – Peist,J, Jugend–BEMS, 1980.

5.a4 a6 6.Nc3 ab5 7.ab5 Ra1 8.Qa1 Bd6? 9.bc6 bc6? 10.Nd5! cd5? 11.Bg7+– f6 12.Bh8 Kf7 13.Bd3 Nh6 14.Bh7 Qh8+/– 15.Bd3 Qg7 16.g3 Nc6 17.Nf3 e5 18.Bb5 Qg4 19.Nh4 Qe4 20.0–0+/– Bh3?? 21.f3?? Qb4? 22.Bc6+– Qd2 23.Rf2 Qe3 24.Bd5 Ke7 25.Ng2 Qc5 26.Qa8 Nf5? 27.Qb7 Bc7 28.Qc6 Qc6 29.Bc6 Bb6 30.Be4 Bf2 31.Kf2 Nd4 32.Ne3 f5 33.Bd3 1–0. Fredek (2090) – Nwab, Freundschaftspartie, 5m + 0s, 2005.

5.a4 Nf6 6.Nf3 Be7 7.c4 0–0 8.Be2 Ne4 9.0–0 Bf6 10.d4 Be7 11.Ne5 f6 12.Nd7 Nd7 13.f3 Nd6 14.c5 Ne8 15.Nc3 e5 16.Qb3 Kh8 17.e4 ed4 18.Nd5 Bc5 19.Kh1 cd5 20.Qd5 b6 21.Bd4 Nc7 22.Bc5?? Nd5 23.Bf8 Nc3 24.Bg7 Kg7 25.Rf2 Ne2 26.Re2 Qe7 27.a5 ba5 28.Ra5 Qb4 29.Ra1 Qb5 30.Ree1 a5 31.h4 Ne5 32.Reb1 Qe2 33.Rb7 Kg6 34.f4?? Qe4 35.fe5 Qh4 36.Kg1 Qd4 0–1. G Zimmer – Hasler, corr SOK–89–39 1989 (Hasler).

6.ab5 Qb6 7.Nc3 Nf6= 8.Bd3 Bc5 9.Na4+/– Qc7 10.c4 dc4= 11.Bc4 0–0 12.Bf6+/– gf6 13.Qg4 Kh8 14.Qh4 f5 15.Qf6 Kg8 16.Nf3 Be7?? 17.Qe7+/– Qc4 18.Qg5 Kh8 19.Qh6 Qc8 20.Ng5 Bb5 21.Qh7# 1–0. Andy HB – Tricky Rabbitt, ChessWorld.net, 2005.

6.ab5 Qb6 7.Bd4 Qc7 8.b6 Qc8? 9.Ra7?? Ra7? 10.ba7+– Na6 11.Nc3 Bc5?? 12.Bg7 Ba7 13.Bh8 f6 14.Qh5 Ke7 15.Qh7 Kd6 16.Nf3 Nb4 17.Bb5 Nc2 18.Qc2 Bb5 19.Nb5 Kd7 20.Qc8 Kc8 21.Na7 Kc7 22.Ke2 Kb6 23.Ra1 e5 24.Bg7 e4 25.Nd4 Ne7 26.Bf6 Nc6 27.Ndc6 bc6 28.Bd4 Kc7 29.Bc5 Kb7 30.h4 Kc7 31.h5 (31...Kd7 32.h6 d4 33.Bd4 c5 34.Bc5 Ke6 35.h7 Kf5 36.Ra6 Kg5 37.Be7 Kg4 38.h8Q Kf5 39.Qh5#) 1–0. Fredek (2090) – Torcoz, Freundschaftspartie, 5m + 0s, 2005.

6.ab5 Qb6 7.Bd4!? Qd6 8.Ba7 +/–.

6.ab5 Qb6 7.Bd4 Qd8 +/–.

6.ab5 Nf6 7.Nf3 =.

4.a4 a6 5.e3 ab5 6.ab5 Ra1 7.Ba1 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd7).

4.a4 Nf6 5.e3 c6 6.c4 Be7 7.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4 Bd7).

4.d3 Bb5 5.Nf3 Nd7 6.a4 Ba6 7.e3 Ngf6 8.Be2 Bd6 9.0–0 0–0 10.Nbd2 Re8 11.Nb3 Rc8 12.c4 dc4 13.dc4 b6 14.Nfd4 c5 15.Nb5 Bb5 16.ab5 Bb8 17.Qc2 Qc7 18.g3 e5 19.e4 Qb7 20.Nd2 Nf8 21.Bf3 Ne6–/+ 22.Bg2 Rcd8 23.Rfe1 Nd4 24.Qc3 Qe7 25.Nf1 Qe6 26.Ne3 Re7 27.Bc1 h6 28.Ra2? Nh7 29.Nd5=+ Red7 30.Qd3 Nf6 31.Qf1 Qd6 32.Kh1 Nd5 33.ed5 Qf6 34.Qd3 Re7 35.f3 Rde8 36.Rf1 Qf5 37.Qe4 Rd8 38.g4 Qe4 39.fe4= f6 40.h4 Nb3 41.Be3 Na5 42.Rc2 Rf7 43.g5 fg5 44.Rf7 Kf7 45.hg5 Rd6 46.Bh3 hg5 47.Be6 Re6 48.de6 Ke6 49.Bg5 Bd6 50.Kg2 Be7 51.Be3 Kf6 52.Kf3 Kf7 53.Ke2 g5 54.Kf3 Kg6 55.Kg4 Kf6?? 56.Bf2 Ke6 57.Bg3 Bd6 58.Kf3 Bb8 59.Ke3+/– Bd6 60.Kd3 Nb3 61.Rh2 Nd4 62.Rh8 Bc7 63.Ra8 Kd6 64.Rg8 Ne6 65.Ra8 Ke7 66.Ra7 Kf7?? 67.Be5+– (67...Ke7 68.Bc7+–) 1–0. Krafzik,Joachim (1840) – Erdmann,Wolfgang, 18sen.Bay.EM2006 Schney op, 2006.

5.e3= b6 6.Be2 c6 7.a4 a6 8.Ne5 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Nd7 Nbd7 12.Bf6 Qf6 13.Bb5 Qb2 14.c4 dc4= 15.Nc3 Bb4=+ 16.0–0 Bc3 17.Bd7 Kd7 18.dc3 Ke7 19.Qd4 Rd8 20.Qc4 f6 21.h3 Rd2 22.Qc8 f5 23.e4 fe4 24.Qb7 Kf6 25.Qe4 Qc3 26.Re1 Rd6= 27.Re3 Qc7 28.Rf3 Ke7 29.g3 Rd1 30.Kh2= h6 31.Qh4 Kd6 32.Qf4 e5 33.Qf8 Qe7 34.Qb8 Qc7 35.Qf8 Qe7 36.Qg8 Qb7 37.Qd8+= Qd7 38.Qb6 Qc6 39.Qd8 Qd7 40.Qb8 Qc7 41.Qf8 Qe7= 42.Qa8 Qc7 43.Rf8 Rd4 44.Rc8 Qb6 45.Rb8 Qc7 46.Rb7 Qc6 47.g4 g6 48.Qd8 Kc5+/– 49.Qa5 Kd6 50.Rg7 Qc2?? 51.Qa6 Kd5 52.Rd7 (52...Ke4 53.Qg6 Kf3 54.Rf7 Rf4 55.Rf4 Ke2 56.Qc2 Ke1 57.Re4 Kf1 58.Qe2#) 1–0. Nemec,Zdenek (1800) – Valica,Slavo (1800), corr ICCF EM/O/131, 2003.

5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.c4 dc4 9.Bc4 cb5 10.Bb3 Nc6 11.Nf3 Bb4?? 12.Bg7+– Bc3 13.Nc3 Nf6 14.Bh8 Ke7 15.Bf6 Kf6 16.Ne4 Ke7 17.0–0 b4 18.Qc2 b6 19.d4 Na7 20.d5 Nb5 21.de6 fe6 22.Neg5 Qg8 23.Nh7 Nc3 24.Nfg5 e5 25.Qd3 Kd8 26.Bg8 (26...Ke7 27.Qc4+–) 1–0. ZZMeB4 (1695) – pawncrusher5 (1710), caissa.com, 2007.

5.a4 Nf6=+ (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 Bd7).

5.c4 dc4 6.ba6 Na6 7.Bc4 Bc6 8.Nf3 Bb4 9.Bg7 (Black forfeits on time, 1–0). Machete99 – guest208, ICC, 2002.

5.a4 Nf6 6.Nf3 Be7 7.c4 0–0 8.Nc3 a6 9.Bd3 ab5 10.ab5 Ra1 11.Qa1 Bd6 12.Ng5 h6 13.h4?? dc4 14.Bc4 Re8?? 15.Qb1 Be5 16.f4 Bc7 17.Nce4 Ne4 18.Qe4? hg5–/+ 19.hg5 g6?? 20.Rh8# 1–0. Harders,Walter – Droste,Eckart, Schleswig Holstein–ch, 1991.

5.c4 a6 6.Qf3 =.

5.c4 Bd6?? 6.Nf3 Nf6= 7.Be2 0–0 8.a4 a6 9.Qb3 ab5 10.ab5 Ra1 11.Ba1 Qe7 12.Nc3 dc4 13.Bc4 e5 14.Nd5 Nd5 15.Bd5 e4? 16.Ng1 Bg4 17.Qc3+/– Qg5 18.h4 Qh6 19.Bb7 Nd7 20.Be4+/– Be5 21.Qa3 Ba1 22.Qa1 Qe6 23.Qb1 f5 24.Bd3 Ne5+/– 25.f3 Bh5 26.Ne2 Qg6 27.Kf2 Qd6 28.Bf5 Qd2 29.Bh7 Kh8 30.Be4?? Ng4+= 31.Kg3 Qe3?? 32.Qd1?? Qf2 33.Kh3 Ne3 34.Qg1 Qe2 35.Qh2 Rf4 36.b6?? Re4! 37.b7 Bg4! 38.Kg3 Nf5# 0–1. Anfilatov,Dmitri – Metsalu,Tauno, Keres mem op, 2000.

5.c4 Nf6 6.Nf3 Be7 7.Be2 0–0 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Be8 12.d3 Nbd7 13.Qb3 Nb6 14.Nc3 Qc7 15.h3 Bd7 16.Na4 Ra8 17.Nb6 Qb6 18.Bb2 h6 19.Ra1 Ra1 20.Ba1 dc4 21.dc4 Ne4 22.Bd3 Nf6 23.Bc2 Qd8 24.e4 Bc8 25.e5 Nh7 26.Qe3 Qa5 27.Bc3 Qc7 28.Qe4 Nf8 29.Nh2 b6 30.Ng4 Bb7 31.Qd3 Qd8 32.Qg3 White gets kings attack 32...Kh8 33.Qf4 Kg8 34.Nf6 Kh8 35.Nh5 Qe8 36.Qg3 Ng6 37.Bg6 fg6= 38.Nf4 Kh7 39.Ne6+/– Qf7 40.Nf4 Bg5? 41.e6+– Qf8 42.Nd5 Bd5 43.cd5 Bf4 44.Qd3 Bd6 45.Qe4 Qe8 46.Qf3 Qd8?? 47.Qf7 Bf8 48.Bg7!! (48...Bg7 49.e7+–) 1–0. Bischard – Kulakova, Leningrad, 1960.

5.a4!? =.

5.c4 dc4 6.Bc4 cb5 7.Bb3 Nf6 8.Nf3 a5 9.0–0 a4 10.Bc2 a3 11.Bc1 Bd6 12.e4 Ng4 13.g3 Qf6 14.d4 Bc6 15.Nbd2 e5 16.d5 Bd7 17.Nb3 h5 18.Nh4 g5 19.Ng2 h4 20.h3 Nh6 21.g4 Na6 22.f3 Nc5 23.Qd2 Nb3 24.Qg5?? Qg5–+ 25.Bg5 Na1 26.Ra1 Be7 27.Be3 Rc8 28.Bd3 Bc5 29.Rb1 Be3 30.Ne3 Rc3 31.Bb5 Re3 32.Kf2 Rc3 33.Bd7 Kd7 34.Re1 Rc2 (35.Re2 Rhc8–+) 0–1. valpa – abzgpf, HCL–B1684 playchess.de, 2003.

5.c4 dc4=+ 6.Bc4 cb5 7.Bb3 Nf6 8.Nf3 Bd6 9.0–0 0–0 10.Bc2 Bc6 11.Ng5 Nbd7 12.f4 h6 13.Nf3 Qb6 14.Kh1 Rad8 15.Nc3 a5 16.Qe1 Bb8 17.Nd4 Nc5 18.Qg3 Rfe8 19.Nc6 Rd2?? 20.Nd5!+– ed5 21.Bf6 g6?? 22.Bg6! Ne6 23.Bf5 Ng5 24.Ne7 Kf8+– 25.Bg5 hg5 26.Qe1 gf4 27.Qd2 fe3 28.Ng6 fg6 29.Qd5 e2 30.Bg6 ef1Q 31.Rf1 Kg7 32.Qf7 Kh6 33.Qh7 Kg5 34.Qh5# 1–0. Wall,Bill – Gabriel,Bob, Dayton, OH, 1981.

5.c4 dc4 6.bc6 Bc6 7.f3 b5 8.d3 cd3 9.Bd3 Qg5 10.Qe2 Bb4 11.Bc3 Bc3 12.Nc3 Nf6 13.Nh3 Qe5 14.Qd2?? (14.Rc1 a6=+) 14...0–0 (Better is 14...b4–+) 15.0–0 Nd5 16.Nd5 Bd5 17.e4 Bc6 18.Nf2 Rd8 19.Qe2 Nd7 20.Rab1 a6 21.Rfc1 Bb7 22.Ng4 Qd4–/+ 23.Qe3 Qe3 24.Ne3 Ne5 25.Be2 Rac8 26.Rc8 Rc8 27.Rd1? Kf8–/+ 28.h3 Rc2?? 29.Nc2+– (29...Ke7 30.Ne3+–) 1–0. valpa – Holodoc, HCL–C2319 playchess.de, 2003.

5.bc6 Nc6 6.Bb5 (6.Nf3 Nf6=) 6...Nf6=+ 7.Bc6 (7.Nf3 Bd6=+) 7...Bc6 8.d4 (8.Nf3!?=+) 8...Bd6–/+ 9.Nf3 Bb5 10.a4 Ba6 11.Nbd2 Rc8 12.Rc1 Qa5 13.c3 0–0 14.Qb3 Nd7 15.Ba3–/+ Ba3 16.Qa3 Nb6 17.Nb3 Qa4 18.Qa4 Na4 19.Kd2 Rc7 20.Rc2 Rfc8–+ 21.Rhc1 f6 22.Ne1 Bb5 23.Nd3 Nb6 24.Nb2 Nd7 25.f4 f5 26.h3 b6 27.Ra1 Nf6 28.Nd1 Ne4 29.Kc1 Nc3 30.Nc3 Rc3 31.Rc3 Rc3 32.Kb2 Re3 33.Ra7 Bc4 34.Nd2 b5 35.Nc4 bc4 36.Ra2?? Re2 37.Kb1 Ra2 38.Ka2 Kf7 39.Kb2 Kf6 40.h4 g6 (41.Kc3 h6–+; 40...h6 41.Kc3–+) 0–1. Kiralyhegyi,I – Simon,Nandor, Sarospatak op1, 1995.

(--> 1.b4 e6 2.Bb2 Nf6 3.b5 d5).

4.a4 a6 5.e3 c5 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 a6 6.a4).

4.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5).

4.e3 c6 5.a4 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 c6 4.a4 d5 5.e3).

4.Nf3 a6 5.a4 ab5 6.ab5= Ra1 7.Ba1 Bd6 8.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd6 8.Nf3).

4.Nf3 b6 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6 5.Nf3).

4.Nf3 Nbd7 5.e3 c5 6.Be2 Be7 7.0–0 0–0 8.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2 Nbd7 8.0–0).

4.Nf3 Be7 5.e3 0–0 6.c4 a6=+ (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.c4 a6).

5.c4 Be7 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4).

5.Nf3 b6 6.c4 Bb7 7.a4 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.a4).

5.Nf3 b6 6.c4 Bb7 7.a4 Nbd7 8.Be2 Be7 9.0–0 0–0 10.d4 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7 10.d4).

5.Nf3 Bd6 6.c4 0–0 7.Be2 (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4 c5 7.Be2).

5.Nf3 c5 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4).

5.Nf3 c5 6.c4 0–0 (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4 c5).

5.c4 c5 6.Nf3 Bd6=+ (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7).

5.Nf3 Bd6 6.d4 0–0 7.Be2 c5 8.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.d4).

5.Nf3 0–0 6.c4 c5 7.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2).

5.Nf3 0–0 6.c4 c6 7.a4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4).

4.a3 a5 =+.

4.Qa4 c6 5.e4 b5 6.Qa3 Nf6–+ 7.f3 Na6 8.Bc3 Nh5 9.g4? Nf4 10.h4 Nd3 11.Ke2?? Bb4 12.Qb4 Ndb4 13.Bb4 Nb4 14.a3 Qd3 15.Kf2 Qd4 16.Ke1 Qa1 17.ab4 Qb1 18.Kf2 f5 19.Nh3 a5 20.Nf4 ab4 21.Bg2 Qc2 22.Rf1 Qd2 23.Kg3 Ra2 24.Ne6 Qg2 25.Kf4–+ Qf1 26.Ng7 Kd7 27.ef5 Rf2 28.f6 Rf3 29.Kg5 Rf8 30.h5 R8f6 31.h6 Rg6 32.Kh5 Qh1 (32...Qh3) 0–1. jrich – kpratt, net–chess.com, 2002.

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Nf6 8.e3=+ Bc5 9.Bc4 0–0 10.Nf3= Qe7 11.Qc2 Nd5 12.Be2 Rd8 13.0–0 Bd7 14.h4 Bd6= 15.Ng5 f5=+ 16.Nc3 h6 17.Nd5 ed5 18.Nf3 Re8 19.g3 Qe4 20.Qc3 Re7 21.Nd4 Rf7?? 22.Bf3+– Qe5 23.Qb3 c6 24.Nc6! Qe8 25.Nd4 Kh8 26.Qd5 Qf8 27.Bh5 Rf6 28.Ne2 Re6 29.Qb7 Qe7 30.Qd5 Re4 31.d3 Be6 32.Qa8 Rb4 33.Nd4 Qd7 34.Bc3 Rd4 35.Bd4 Qb5 36.Rc1 Qd3 37.Qb7 Nd7 38.Bg6 Bf8 39.Rc8 Kg8 40.Rf8! Kf8 41.Qb4 Kg8 42.Qe7 Qd1 43.Kh2 Qh1 44.Kh1 (44...Bd5 45.Kh2 Nf6 46.Qd8 Ne8 47.Qe8#) 1–0. Psion – Psion, 1988.

4.b5 c6 5.Qa4 –/+.

4.b5 Nd7 5.g3 a6 6.ba6 Ra6 7.Bg2 Ngf6 8.Nf3 Bc5 9.0–0 0–0 10.Nc3 c6 11.a4 b6 12.Qc2 Re8 13.Ng5 h6 14.Nge4 Bb7 15.Nd1 Ne4 16.Qe4 Qg5 17.Ne3 Be3 18.fe3 Nc5 19.Qc4 Rea8 (not finished). Macchiagodena – Kellermann, corr ICCF 1996–97.

4.b5 Nf6 5.e3=+ c6 6.a4 Bb4 7.Bc4 0–0 8.Nc3 cb5 9.ab5 White gets strong play along the open c–file 9...Qc7 10.Qb3= Bd6 11.Nf3 Nbd7 12.0–0 Nb6 13.Be2 Bd7 14.Rfc1+= Ng4 15.h3+– Ne5 16.Ne4 Nf3 17.Bf3 Bh2 18.Kh1 Qb8 19.g3 Bg3 20.Ng3 Rc8 21.Nh5 e5 22.Rg1 g6 23.Nf6 Kg7 24.Nd7 Nd7 25.Qd5 Rc7 26.b6! Rc2 27.ba7 Qc8 28.Qb7 Qb7 29.Bb7 Rb2 30.Ba8 Rd2 31.Bc6 Nb6 32.Rgb1 (32...Nc4 33.Kg1+–) 1–0. Psion – Psion, 1988.

4.Qc2 Bb4?? 5.Bg7 e5 6.Bh8 +–.

4.Qc2 b5 –/+.

4.e4 Bb4? 5.Bg7 Nf6 6.Bh8 +–.

4.e4 Nf6 5.e5 Nd5 6.a3 Nf4 7.Qc2 Nd3 8.Bd3 cd3 9.Qb3 Nc6 10.Nf3 Be7 11.0–0 a5 12.b5=+ Na7 13.a4 Bc5 14.Nc3 0–0 15.Ne4 Bb6 16.Ng3 Qd7 17.Rfe1 Rd8=+ 18.Rac1 Kh8 19.Re4 Qd5 20.Qa3 Bd7 21.Ne1?? c6=+ 22.Nd3 cb5–+ 23.ab5?? Nb5 24.Nf4 Qd2 (25.Qa1 Bf2 26.Kf1 Be3–+) 0–1. wlittle (2125) – huimre (2065), net–chess.com, 2004.

4.c5=+ a5 5.a3 =+.

4.c5=+ Be7 5.Nf3 0–0 6.e3 a5 7.a3 ab4 8.ab4= Ra1 9.Ba1 c6 10.Qc2 b6 11.Ng5 g6 12.h4 bc5 13.h5= h6?? 14.hg6+– hg5 15.Bf6 Bf6 16.g7! (16...cb4 17.Qh7#) 1–0. Vojtech,Ladislav – Schuster,Petr, Brno CZE Open–B, 2007.

4.d3 Bb4 5.Nc3?? c5 6.e3? 0–0 7.g3?? Nc6 8.Bg2? dc4 9.dc4 Qd1 10.Rd1 Ne5 11.Nf3 Nc4 12.Ba1 Bd7 13.0–0 Bc6 14.a3? Bc3 15.Bc3 Rad8 16.Rd8 Rd8 17.Re1 Ne4 18.Ba1 Ncd2 19.Nd2 Rd2 20.Bf3 Nf2 21.Bc6 Nh3 22.Kf1 Rf2# 0–1. BoogieKnight – responsible, caissa.com, 2007.

4.cd5 ed5 5.b5 c5 6.bc6 bc6 7.Nf3 Bd6 8.e3 0–0 9.Bd3 Nbd7 10.Qc2 Nc5 11.0–0 Nd3 12.Qd3 a5 13.Bf6 Qf6 14.Nc3? Ba6–+ 15.Qd4 Bf1 16.Qf6 gf6 17.Kf1 Rfb8 18.Nd4 c5 19.Ndb5 Be7 20.a4=+ d4 21.Nd5+= Bd8 22.ed4 Rb5? 23.ab5+/– cd4 24.Ke2 Rb8 25.Rb1+– a4 26.Kd3 a3 27.Ra1 Ra8? 28.Kc2?? f5? 29.Kb3 Ba5? 30.d3 Bc3 31.Ra3 Ra3 32.Ka3 Ba5 33.Ka4 Bd8 34.b6 Bb6 35.Nb6 Kg7 36.Kb4 Kf6 37.Kc4 Ke5 38.Nd5 f4 39.f3 f5 40.h4 h5 41.Nb6 Ke6 42.Kd4 (42...Kf7 43.Nd5+–) 1–0. vello2 – MrSpock, Live Game Caissa's Web, 2005.

4.cd5 Qd5 5.Nc3 Qd8 6.b5 Nbd7 7.Nf3 Be7 8.e3 b6 9.d4 a5 10.Be2 Bb7 11.0–0 0–0 12.Ne5 Ne5 13.de5 Ne4 14.Qc2 Nc3 15.Qc3 Bb4 16.Qc2 Qg5 17.f3 (17.g3 Bc5+=) 17...Qe7 (Better is 17...Qe3!? 18.Kh1 Rfd8=+) 18.Rad1 Rad8 19.Rd8 Rd8 20.Rc1?? (Better is 20.Bd4+=) 20...Rd2–+ 21.Qc7 Bd5?? 22.Qe7+– Be7 23.Rc8 Bf8 24.Ba3 Re2 25.Rf8 1–0. bashful – georgizc, Live Game Caissa's Web, 2004.

5.Qa4 Bd7 6.Qc2 a5 7.cb6 cb6 8.ba5 ba5 9.Nf3 Bd6 10.Be5 Qe7 11.Nc3 0–0 12.Rc1 (12.Bd6 Qd6 13.Rb1 Nc6–/+) 12...Nc6–/+ 13.Bd6 Qd6 14.Nb5 Qe7 15.Qc5 Rfc8 16.Qe7 Ne7 17.Nc3 Ne4 18.Ne5 Be8 19.e3 f6 20.Nd3 e5 21.Ne4 Rc1 22.Nc1 de4 23.Ne2 Bb5 24.Nc3 Bd3 25.f3 Bf1 26.Rf1 ef3 27.Rf3 Rb8 28.d4 ed4 29.ed4 Rd8 30.Rd3 Nd5 31.Nd5 Rd5 32.Kd2 Kf7 33.Kc3 Ke6 34.Kc4 Rg5 35.Rg3+/– h6?? 36.Rg5+– hg5 37.Kb5 Kd5 38.Ka5 f5?? 39.h3+– f4 40.a4 Kd4 41.Kb5 1–0. MT – guest2857, ICC, 2004.

5.Qc2 bc5 6.bc5 Ne4 =+.

4.Nf3 Nf6 5.Nbd2 Bb4 6.a3 Be7 7.g3 0–0 8.Bg2 c5 9.0–0 Nc6 10.Nh4 Bg4 11.h3 Bh5 12.g4 Ng4 (Better is 12...Nd7!? 13.Nhf3 Bg6–/+) 13.hg4= Bg4 14.Nhf3 Bf6 15.Bf6 Qf6 (< 15...gf6 16.c4+=) 16.Rb1 b6 17.e4 Ne5 18.ed5 ed5 19.Re1 Nf3 20.Bf3 Bf3 21.Qf3?? (Better is 21.Nf3 Rae8 22.d4=+) 21...Qg5–+ (22.Kf1 Qd2–+) 0–1. cccmember – hal1958, HCL–A1505 playchess.de, 2003.

4.g3 Bb4 5.Nd2 Nf6 6.Bg2 0–0 7.h4 Nbd7 8.f3 (8.a3 Bd6–+) 8...c6 (Better is 8...e5!? 9.h5 h6–+) 9.g4–/+ Qc7 (Better is 9...Bg4 10.fg4 Ng4–/+) 10.Rh3?? (Better is 10.gf5 ef5 11.h5=) 10...Ng4 (Better is 10...Qb6 11.e3 Bd2 12.Kd2 Qb2–+) 11.fg4–/+ Bg4 12.Re3?? Bd6 13.Kf1?? Bf4 14.Rf3 Bf3 15.Ngf3 Be3 16.Qe1 Qf4 17.Nb3 e5 18.Bc1 d4 19.Be3 de3 20.Bh3 Nf6 21.Kg2 Nh5 22.Nh2 Rad8 23.Nc5 Rd6 24.Ne4 Rg6 25.Kh1 f5 26.Ng5 h6 27.Nhf3 hg5 28.hg5 e4 29.de4 fe4 30.Nh4 Rg5 31.Be6 Kh8 32.Ng2 Qe5 33.Bb3 Rf2 34.Qg1 Ng3 (35.Kh2 Rh5#) 0–1. audrey – xplayer, Live Game Caissa's Web, 2004.

4.g3 Nf6 5.a3 a5 6.c3 c5 7.Bg2 ab4 8.cb4 cb4 9.a4 Nc6 10.Qb3 Bc5 11.e3 d4 12.e4 Bg6 13.Ne2 Na5 14.Qc2 Qb6 15.0–0 b3 16.Qd2 Bb4 (16...e5 17.Na3–/+) 17.Qf4 (Better is 17.Bd4 Qd4 18.Nd4 Bd2 19.Nd2=) 17...Bc3?? (Better is 17...Nc6!?–/+) 18.Bc3 dc3=+ 19.Nbc3 b2 20.Rab1 Nb3? 21.Rb2+– Ra4 22.Na4 Nh5 23.Qb8 (23...Qd8 24.Qd8 Kd8 25.Rb3+–) 1–0. audrey – rychess, Live Game Caissa's Web, 2004.

5.a3 a6 6.Ngf3 c5 7.bc5 Bc5 8.e3 Nbd7 9.Be2 Qc7 10.c4 dc4 11.Nc4 b5 12.Nce5 Ne5 13.Be5 Qe7 14.Qb3 Bd6 15.Bd6 Qd6 16.Qb2 0–0 (Better is 16...Qe7!?=) 17.e4+/– Ne4 18.de4 Be4 19.0–0 Rac8 20.Rac1 Qf4 21.Rfd1 h6 22.Qd2 Qf6 23.Rc8 Rc8 24.Rc1 Rd8 25.Qc3 Qf4 26.Rd1 Rd1 27.Bd1 Bb7 28.Qd2 Qf6 29.Qd4 Qd4 30.Nd4 g5 31.g3 e5 32.Nf5 Kh7 33.Bc2 Ba8 34.Kf1 Kg6 35.Ke2 e4 36.g4 h5 37.h3 hg4 38.hg4 Kf6 39.Ke3 Ke5 40.Ng3 f6 41.Be4 Be4 42.Ne4 a5 43.f3 b4 44.ab4 ab4 45.Nd2 f5 46.gf5 Kf5 47.Nb3 Ke5 48.Nd4 Kd5 49.Kd3?? Ke5= 50.Ne2 Kd5? (Better is 50...b3+=) ½–½. Longorio Yepiz,Filiberto – Ham Rodriguez,Carlos, Pan American–ch Amateur, 2001.

5.a3 c5 6.bc5 Bc5 7.e3 Nc6 8.Ngf3 h6 9.Be2 0–0 10.0–0 Rc8 11.c4 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Ne5 Nd7 15.Qb3 Bd6 16.Nd7 (16.Qb5? Ne5 17.Be5 Rc5–+) 16...Qd7 17.Rfc1 a6 18.e4 Bg6 19.g3 Qa7 20.a4 b4 21.a5 Bc5 22.Rf1 Rfd8 23.Rac1 Bd6 24.Kg2 Qb7 25.Rc8 Rc8 26.f4 Rc5 27.Ra1 Bc7 28.Bf3 Qb8 (< 28...Ra5 29.f5 Bh7 30.fe6+–; < 28...Ba5 29.f5 Bh7 30.fe6+/–) 29.Bd4 Ra5 30.Ra5 Ba5 31.Qa4 Qd8 32.Qa1 f6 33.e5 f5 34.Bf2 b3 35.Qb1 Qb8 36.Qb2 Be8 37.d4 Bc3 38.Qb1 Qb5 39.d5 ed5 40.Bd1 b2 41.Bc2 d4 42.Bf5 Bc6 43.Kh3 Qd5 44.Kh4 Bb4 (45.Qd1 Be7 46.Kg4 h5 47.Kh5 Qg2 48.Qb3 Kf8–+) 0–1. Protze,Gunter – Wuttke,Johannes, ML–041 BdF, 2000.

5.c3 Be7 6.Ngf3 0–0 7.Nh4 Bg4 8.h3 Bh5 9.g4 Bg6 10.Bg2 a6 11.Ng6 fg6 12.0–0 Nc6 13.a3 Bd6 14.e3 Ne5 15.Qe2 a5 16.ba5 Ra5 17.c4 dc4 18.d4 Nf7 19.Nc4 (19.Bb7? Rb5–+) 19...Ra7 20.f4 Be7 21.Qd3 Nd6 22.Ne5 Qe8 23.Qb3 Qc8 24.f5 gf5 25.gf5 Kh8 26.fe6 Nfe4 27.Rf8 Bf8?? (27...Qf8 28.Qc2 Ng3+–) 28.Be4 Ne4 29.Nf7 Kg8 30.e7! Nd2 (30...Be7 31.Nd6) 1–0. Walther,Manfred (1890) – Erbe,Holger (1665), T0003 DESC, 2000.

4.a3 c5 5.bc5 Bc5 6.Bg7 Nc6 7.d4 Qa5 8.c3 Bd6 9.Bh8 Bd7 10.Qh5 0–0–0 11.Qh7 Nge7 12.Bf6 Rf8 13.h4 Nf5 14.Qh5 Nfd4 15.ed4 e5 16.de5 Ne5 17.Be2 Re8 18.g3 Nd3 19.Kf1 Nc5 20.Qd5 Bc6 21.Bg4 Kc7 22.Qf7 1–0. guest917 – guest2143, ICC, 2002.

4.a3 Bd7 5.Nf3 Nc6 6.c4 dc4 7.Bc4 Nf6 8.0–0 Bd6 9.d4 Qe7 10.Qc2 h5 11.Nbd2 h4 12.e4 Bf4 13.e5 Nd5+= 14.Ne4 g5?? 15.Bd5+– ed5 16.Nf6 Kd8 17.Nd5 Qe6 18.Nf4 gf4 19.Qe4 Rg8 20.Qf4 Rg4 21.Qf6 Qf6 22.ef6 Be6 23.d5! Bd5 24.Rad1 A pinning theme 24...Nb4 25.ab4 c6 26.Rd4 Rg6 27.Nh4 Rg5 28.f3 Kc7 29.Rg4 Rh5 30.g3 Re8 31.Ng2 Bb3 32.Re1 Rd8 33.Rd4 Rhd5 34.Rd5 Bd5 35.Kf2 Ra8 36.Bc3 b6 37.Ne3 Be6 38.f4 c5 39.bc5 b5 40.f5 Bb3 41.Rb1 Ba2 42.Rb2 Rh8 43.h4 (43…Bc4 44.Nc4 bc4 45.Rb6+–; 43.Ra2 Rh2 44.Ng2 Kb7+–) 1–0. Andersson,Lars H (2620) – Oehman,Kenneth, Sweden, 1987.

4.a3 Be7? 5.Nf3?? Bf6 6.Qc1 h6 7.Be2 Bb2 8.Qb2 Qf6 9.Qf6 Nf6 10.0–0 0–0 11.c4 c6 12.Nc3 Nbd7 13.d3 dc4 14.dc4 c5 15.Rfd1 b6 16.bc5 Nc5 17.Ne5 Bb7 18.Rab1+/– b5 19.cb5+– a5 20.Nc6 Bc6 21.bc6 a4 22.Bf3 Rac8 23.Rb5 Nb3 24.Na4 Rb8 25.Rb8 Rb8 26.c7 Rc8 27.Rd8 Rd8 28.cd8Q Kh7 29.Qd3 (29...Kg8 30.Qb3+–) 1–0. St_Jean,Benoit (1610) – Venturas,Bob, CP.2001.P.00093, 2001.

4.a4 Nc6 5.b5 ab5 6.ab5 Ra1 7.Ba1 Nce7 8.Nf3 Ng6 9.d3 c6 10.bc6 bc6 11.Nbd2 Ba6 12.Be2 Nf6 13.0–0 Be7 14.Nb3 0–0= 15.h3 Bb5 16.Qd2 Nd7 17.Nfd4 Qb8 18.Rb1 Ba4 19.Qa5 Qa8 20.Qc7 Nge5 21.f4 Rc8 22.Qa5 Qa5 23.Na5 Ng6 24.Nab3 c5 25.Nf3 c4 26.dc4 dc4 27.Nbd4 Bf6 28.Rb4+= Bd4 29.Nd4+/– Rd8?? 30.Bc4 Nc5 31.Bd3 Ne7 32.Kf2 Nd5 33.Rc4 Nd7?? 34.Bb2 N7b6 35.Rc5 g6 36.Bb5 Bb5+/– 37.Rb5 h5?? 38.e4+– Na4 39.ed5 Nb2 40.Rb2 ed5 (41.Rb7 Kf8+–). Tilp,Andreas – Luedecke, corr DDR, 1988.

4.a4 Nf6 5.b5=+.

4.c4 dc4=+ 5.Qc2 Nf6 6.Qc4 b5 7.Qb3=+ Nc6 8.a3 Be7 9.Nf3 0–0 10.Be2 Bb7 11.0–0 Nd5 12.d4 Bf6 13.Rd1 g6 14.Nbd2 Nce7 15.Ne4+/– Bg7 16.Nc5 Bc6 17.Ne5 Qc8 18.e4 Nb6 19.Bf3 Be5 20.de5+– Nc4 21.Rd3 Nb2 22.Qb2 Bb7 23.Rad1 Nc6 24.Nd7 Rd8 25.h4 h5 26.g4 hg4+/– 27.Bg4 Kg7 28.Qc1 Nb8? 29.Nf6 Rd3+/– 30.Rd3 c5 31.h5 Qh8?? 32.h6 Qh6 33.Ne8 Kh7 34.Rh3 Qh3 35.Bh3 Be4 36.Qc5 Nc6 37.Qf8 (37...Re8 38.Qf7 Kh6 39.Qe8+–) 1–0. Karlsen,Jan M – Gusland,Thorleif, Sandefjord MGP, Gr. B, 2002.

4.c4 c6 5.a3 Nf6 6.d4 Be7 7.c5 Nbd7 8.Nd2 Qc7 9.Bd3 b5 10.f4 h6 11.g4 Nh7 12.h4 Bb7 13.Ngf3 g5? 14.hg5+– 0–0–0 15.gh6 Rdg8 16.g5 Ndf8 17.Ne5 Bd8 18.Qh5 Qe7 19.Nf7 e5 20.de5 Kb8 21.Nh8 Rh8 22.g6 Ng6 23.Qg6 Nf8 24.Qf6 Rg8 25.h7 Nh7 26.Qe7 Be7 27.Rh7 Bf8 28.0–0–0 Bg7 29.Rg1 Bc8 30.Rgg7 Rf8 31.Nb3 d4 32.Nd4 Rd8 33.Nc6 (33...Ka8 34.Ra7) 1–0. bentengutama (1900) – bienopia (2125), net–chess.com, 2003.

4.c4 Nf6 5.a3 dc4 6.Bc4 Bd7 7.Nf3 c5 8.bc5 Bc5 9.0–0 Nc6 10.Qc2 Be7 11.h3 Rc8 12.Nc3 Na5 13.Be2= 0–0 14.Ne5 Nd5 15.Nd7 Qd7 16.Qd3 Rfd8 17.Nd5 Qd5 18.Qd5 Rd5 19.Bc3 Nc4 20.Bc4 Rc4 21.Rfb1 b5–/+ 22.Kf1 Ra4 23.Rb3 Rd7 24.Ke2= Rb7 25.Kd3 Rc4=+ 26.f4 26...Rd7 27.Ke2 Bf6 28.a4 ba4=+ 29.Rb6 h6 30.Bf6 gf6 31.Ra6 Rc2 32.Rd1 Ra2 33.g4 Kg7 34.Kf3 Rd3 35.Ra7 f5 36.gf5 ef5 37.Rg1 Kf6 38.Ra6 Ke7 39.Rc1 Rdd2=+ 40.Rc7 Rd7 41.Rc5 Rd6 42.Ra7 Ke6 43.Rcc7 f6 44.Rc5 a3 45.Raa5 Rh2 46.Kg3= White fights for the Initiative 46...Rdd2 47.Ra6 Kd7 48.Rf5 a2 49.Rff6 Rh1 50.Rf7 Ke8 51.Rfa7 Rg1 52.Kf3 Rh1 53.Kg4 Rb2? 54.Re6 Kd8 55.Rf6 Ke8 56.Rc6?? Rd2? 57.Rca6?? Rd3?? 58.e4 h5 59.Kf5 a1Q 60.Ra1 Ra1 61.Ra1 Rh3 62.Ke6 Kf8 63.f5 Re3 64.e5 h4 65.f6 Kg8 66.f7 Kg7 67.Ra8 Rf3 68.Rg8 Kh7 69.f8Q (69...Rf8 70.Rf8+–) 1–0. Margraf,A – Schmiederer, Schwabenliga, 1989.

4.Nf3= Bd7 5.c4 Bb4?? 6.Bg7+– Qe7 7.Bh8 Nc6 8.a3 Ba5 9.cd5 ed5 10.Qb3 0–0–0 11.Nc3 Kb8 12.Ba6 Bc8 13.Rb1 Bb6 14.Nd5 Qc5 15.Nb6 ba6 16.Nd7 Ka7 17.Nc5 (17...Ka8 18.Ne5+–) 1–0. pierre – waakvlam, ChessWorld.net, 2005.

5.a5 Bb4?? 6.Bg7 Ba5 7.Bh8 +–.

5.a5 Nf6 6.ab6 cb6 =.

5.Nf3 Bb4?? 6.Bg7 Nf6 7.Bh8 +–.

5.Nf3 Nc6 6.b5 Na5 7.d4 (7.Be2 Nf6=) 7...Nf6 8.Nbd2 Bd6 9.Bd3 0–0 10.e4 (10.0–0 c6=) 10...c5 (10...de4!? 11.Ne4 Ne4 12.Be4 Bb7 13.Bb7 Nb7=) 11.e5+= c4 12.Be2 (< 12.ed6 cd3 13.Ba3 Bd7=+) 12...Bb4? (Better is 12...Ne4 13.Ne4 de4+=) 13.c3+– (13.ef6?! c3 14.fg7 cd2 15.Nd2 Kg7+/–) 13...Be7 14.ef6 Bf6 15.0–0 Nb7 16.Ne5 Qc7 17.Ba3 Re8 18.Ng4 Bg5 19.Nf3 Bf4 20.Qc2 f6 21.g3 Bd6 22.Rfb1 Bd7 23.ba6 Ra6 24.Bd1 Ba4?? 25.Bd6 Nd6 26.Ra4 Rea8 27.Rba1 Ra5 28.Ne3 b5 29.Ra5 Ra5 30.Qb2 Qa7 31.Ra5 Qa5 32.Nd2 Qc7 33.Qa3 f5 34.Nf3 Kf7 35.Ne5 1–0. Mehlhorn,U – Heineccius,A, BFO–070, 2000.

5.Nf3 Nd7 6.Be2 Be7?? 7.Bg7+– Ngf6? 8.Bh8 h6 9.Bf6 Bf6 10.d4 Bb7 11.0–0 Qe7 12.b5 a5 13.c4 dc4 14.Bc4 0–0–0 15.Nbd2 Rg8 16.Rc1 Kb8 17.Qc2 Qd6 18.Ne4 Be4 19.Qe4 Bh8 20.Bd3 Qd5 21.Qd5 ed5 22.Rc6 h5 23.Rfc1 Rc8 24.Ng5 f6 25.Ne6 h4 26.Rc7 Rc7 27.Nc7 Nf8 28.Nd5 Ne6 29.Nb6 Kb7 30.Nc4 h3 31.gh3 Ng5 32.Kg2 Bg7 33.Na5 Kb6+– 34.Nc4 Kb7 35.Nd6 Kb6 1–0. Starr,Albert – Yanez,Rodrigo, Winter TNM San Francisco, 2006.

5.Nf3 Nf6 6.b5 c5 7.c4 Be7 8.Be2 Bb7 9.0–0 0–0 10.d4 Nbd7 11.Nbd2 a5 12.h3 Rc8 13.Rc1 cd4 14.Bd4 Nc5 15.Bc5 Bc5=+ 16.Nb3 Ba3 17.Rc2 Ne4 18.Nfd2 dc4 19.Nc4+= Bd5? 20.Qd4?? Bc5 21.Qb2 Bc4 22.Rc4+= Nf6 23.Nc5 bc5 24.Bf3 Nd5 25.Rd1+– Qe7 26.Bd5 ed5 27.Rd5 Rfd8 28.Rd8 Rd8 29.Qc3 Rd1 30.Kh2 Qc7 31.g3 Rd5 32.e4 Rh5 33.f4 Qc8? 34.f5 h6 35.Rc5 Qb7 36.Rc8 Kh7 37.Qc6 Qe7 38.b6 Qb4 39.b7?? Qd2= 40.Kg1 Qe3 41.Kf1?? Qf3–+ 42.Ke1 Qg3 43.Kd2?? Qf2 44.Kc1 Rh3–/+ 45.Qc2?? Rh1 46.Kb2–/+ Qb6 47.Qb3?? Rb1!!–+ 48.Kb1 Qb3 49.Kc1 Qb7 50.Rc4 Qb3 51.Rc7 Qe3 52.Kd1 Qe4 (53.Rc2 Qa4–+; better is 52...Qg1 53.Kd2 Qh2 54.Ke3 Qc7 55.Kd4–+) 0–1. Ruhle,E – Weibrecht,C, Bad Wildbad, 1993.

5.Bg7 Bd2 6.Nbd2 +–.

5.Bg7 Nf6 6.Bh8 +–.

5.a3 Nf6 6.c4 Bd7 7.Qb3 Bd6 8.c5 Be7 9.Be2 a5 10.0–0+= ab4 11.ab4 Ra1 12.Ba1 b6 13.cb6 cb6 14.b5 Na5 15.Qc2 0–0 16.Bd4 Qb8 17.Nc3 Rc8 18.Ne5 Be8 19.f4 Bb4 20.Bd3 Bc3 21.dc3 Nc4 22.Bc4 dc4 23.Qa4 Nd5= 24.e4 f6? 25.ed5+– fe5 26.fe5 ed5+/– 27.e6 Qd6? 28.Qa7+– Rc7 29.Qb8 (29...Qe7 30.h3+– (30.Qb6?! h6+–; 30.Bb6?! Rb7 31.Qd8 Qe6+/–)) 1–0. b4_player – opponent, gamecolony.com, 2007.

5.a3 Nf6 6.Bd3 Be7 7.0–0 0–0 8.c4 dc4 9.Bc4 Ne4 10.Nc3 Nd6 11.Bb3 Bf6 12.d4 Nf5 13.Ne4 Be7 14.d5 ed5 15.Qd5 h6 16.Rfd1 Nd6 17.Nd6 Bd6 18.e4 Be6 19.Qd3 Bb3 20.Qb3 Qe7 21.Rd5 Qe4 22.Re1 Qg6 23.Nh4 Rfe8 24.Re8 Re8 25.Rd1 Qg4 26.Nf3 Qe6 27.Qe6 Re6 28.Kf1 Kf8 29.Re1 Re1 30.Ke1 g6 31.h3 b5 32.Ke2 a5 33.Nd4 Nd4 34.Bd4 ab4 35.ab4 Bb4 36.Kd3 Ke7 37.Kc2 Kd6 38.Kb3 Bc5 39.Bg7 Bf2 40.Bh6 c5 41.Bd2 Kd5 0–1. Trkn – Quinten Bril, itsyourturn.com, 2000.

5.a3 a5 6.b5 Bd6 7.c4 dc4 8.Bc4 0–0 9.Qc2 h6 10.e4 Nfd7 11.d3 Nb6 12.Nbd2 Bd7 13.0–0 Re8 14.a4 c6 15.Be5 Be5 16.Ne5 cb5 17.Bb5 Bb5 18.ab5 N8d7 19.Nef3 a4 20.d4 Rc8 21.Qd3 Qe7 22.Rfc1 Rc1 23.Rc1 Rc8 24.Rc8 Nc8 25.Qc3 Ndb6 26.Ne5 Na7 27.Qa5 Nac8 28.Ndc4 Qc7 29.g3 f6 30.Nb6 fe5 31.Qa8! Qb6 32.Qc8 Kf7 33.Qd7 Kg8 34.Qe8 Kh7 35.de5 a3 36.h3 a2 37.Qa8 Qb5 38.Qa2 Qe5 39.Qb1 b5 40.f4 Qd4 41.Kg2 b4 42.e5 Kg8 43.h4 Qd5 44.Kf2 b3 45.Qb2 Qc4 46.Ke3 Kf8 47.Qd2 Kf7 48.Qd7 Kf8 49.Qd6 ½–½. vik – Nanatr, Internet, 2001.

5.a3 b5 6.Be2 Ne4 (6...Bd6 7.0–0=) 7.0–0+= Rg8 (7...c5 8.bc5 Nc5 9.Nc3+=) 8.d3 Nf6 9.c4 c6 (9...c5 10.bc5 bc4 11.dc4 Bc5 12.cd5 Qd5 13.Qc2+/–) 10.c5 a5 11.Nbd2 a4 12.Qc2 h6 13.e4 g5 14.Ne5 h5 15.Ndf3 g4 16.Nd4 h4? 17.Nec6+– Nc6 18.Nc6 Qc7 19.Bf6 g3? 20.Ne5 Bg7 21.Bg7 Rg7 22.f4 f6 23.Ng4 e5 24.Nf6 Kf7 25.Nd5 Qb8 26.fe5 Ke6 27.Qd2 Ke5 28.Qb2 Ke6 29.Qf6 Kd7 30.c6 Ke8 31.Qf8# 1–0. Schwertel,Gottfried – Eifrig,Thomas, CiF CP2–95–093A, 1995.

5.a3 c5 6.Bc3 =.

5.a3 c5 6.bc5 Bc5 7.c4 dc4 8.Bc4 Qc7 9.Bf6 gf6 10.d4 Bf8 11.Nbd2 Bg7 12.0–0 f5 13.Qb3 b5 14.Be2 Bb7 15.a4 ba4 16.Qa4 Bc6 17.Qa3 Bf8 18.Qc3 Bg7 19.Ne5 Be5 20.de5 a5 21.e4 fe4 22.Ne4! Nd7? 23.Nd6 Ke7 24.Rfd1 Rhg8 25.Bf3 Ne5 26.Qe5 Bf3 27.Nf5 Kf8 28.Qc7 Bg2 29.Qe7# 1–0. mrkt – 6packmike, chesshere.com, 2006.

5.a3 Bd6 6.d4 Nbd7 7.c4 dc4 8.Bc4= Qe7 9.0–0 e5 10.Nc3 0–0 11.Be2 ed4 12.Nd4 Ne5 13.h3 Bd7 14.Qc2 Rac8 15.Nf5 Bf5= 16.Qf5 Ng6 17.Nd5 Nd5= 18.Qd5 c6 19.Qf5 Rfd8 20.Bd3 Bh2 21.Kh1 Be5 22.Be5 Qe5 23.Rad1 Rb8 24.Qe5 Ne5 25.Be2 Kf8 26.Rd8 Rd8 27.Rd1 Rd1 28.Bd1 b6 29.Be2 a5 30.f4 Nd7 31.ba5 ba5 32.a4 Nc5 33.Bd1 Ke7 34.Kg1 Kd6 35.Kf1 Kd5 36.Ke1 Kc4 37.Kd2 Kb4 38.Bf3 Na4 39.Bc6 Nc3 40.Be8 f6 41.Kc2 a4 42.Bf7 a3 43.g4 a2 44.Kb2= Nd1 45.Ka2 Ne3 46.Kb1 Kc3 47.Kc1 Kd3 48.Bg8 h6 49.Bh7= Ke2 50.Be4 Nf1 51.f5 Kf2 52.Bd3+= Nh2 (53.Bc4 Kg3–+) 0–1. Schwichtenberg,Juergen – Janssen,Lieselotte (2125), GER–ch Seniors, 2001.

5.a3 Nbd7 6.Be2 =.

5.a3 Be7 6.Be2 Bd7 7.0–0 0–0 8.Ne5 Nc6 9.Nd7 Qd7 10.d3 e5 11.Nd2 Qd8 12.Bf3 b5 13.c4 Na7 14.Be5+– c6 15.cd5 cd5 16.Qb3 Nc6 17.d4 Bd6 18.Bf6 Qf6 19.Qd5 Ne7 20.Qh5 Rad8 21.Ne4 Qg6 22.Qg6 hg6 23.Nc5 Ra8 24.Ba8 Ra8 25.a4 ba4 26.Ra4 Nd5 27.Rc1 Kf8 28.b5 Nb6 29.Ra6 Bc5 30.Ra8 Na8 31.dc5 Nc7 32.b6 Na6 33.c6 (33...Ke8 34.c7+–) 1–0. Woelfelschneider,Peter – Nittschalk,Karl, TT–18.05 ETC, 2005.

4.c4?? dc4 5.Bc4 Nc6 6.Nf3 Nf6 7.Ne5 Ne5 8.Be5 0–0 9.0–0 Bd7 10.d4 Bc6 11.Bd3 Ne4 12.Qc2 f5 13.f3 Ng5 14.e4 f4 15.a3 Be7 16.Nc3 Qe8 17.d5 Bd7 18.d6 cd6 19.Bd4 Qh5 20.e5 Rac8 21.ed6 Bd6 22.Qd2 e5 23.Bf2 Rfe8 24.Ne4 Ne4 25.Be4 Re6 26.Bd5 Rce8 27.Be6 Re6 28.Qd5 Kh8 29.Rfd1 Rh6 30.h3 Bh3 31.Qb7 g6 32.Qa8 Kg7 33.Qb7 Kf6 34.Rd6 Kf5 35.Qc8 (time, 1–0). Nautiluschess – JollyJumper, ICS blitz, 2000.

4.Bg7+– b6 5.Bb5 Nd7 6.Nf3 Bb7 7.c3 Bd6 8.Bh8 Qe7 9.Bd7 Qd7 10.Be5 0–0–0 11.Bd6 Qd6 12.d4 f6 13.0–0 Ne7 14.a4 Rg8 15.Nbd2 Kb8 16.c4 Bc8 17.c5 Qc6 18.Qb3 e5 19.de5 Bh3 20.Nh4 d4 21.e4 Be6 22.Qb5 Qb5 23.ab5 Ng6 24.Ng6 Rg6 25.ef6 Bh3 26.g3 Bf1 27.Kf1 Rf6 28.f4 bc5 29.Ra6 Rf8 30.Rc6 (30...Kc8 31.Ke2+–) 1–0. Trkn – Mike, itsyourturn.com, 2000.

4.Bg7+– Bd2 5.Nd2 +–.

4.Bg7+– d4 5.ed4 Qd5 (5...Nf6 6.Bh8 Qd4 7.c3 Qe5 8.Be2+–) 6.c4 (Better is 6.Bh8!? Qd8+–) 6...Qe4 7.Ne2 Bd2 (7...Ne7 8.f3 Qh4 9.g3 Qh5+–) 8.Qd2 Ne7 9.Nbc3 Qc6 10.Bh8 Qc4 11.Nf4 Qb4 12.Rb1 Qd6 13.Be5 Qd7 14.Bb5 c6 15.Ba4 b6 16.0–0 Ba6 17.Rfd1 Nf5 18.d5! ed5 19.Nfd5! Nh4 20.Nf6 Ke7 21.Nd7 Bc4 22.Qd6 Kd8 23.Nb6 Nd7 24.Qd7# 1–0. maaxa – mary3, Live Game Caissa's Web, 2004.

4.Bg7+– f5 5.Qh5 Kd7 6.Bh8 Nf6 7.Qf7 Qe7 8.Qf6 Nc6 9.Nf3 b6 10.Bb5 Bb7 11.Ne5 Kd6 12.Bc6 Rf8 13.Qe7 Ke7 14.Bb7 Rh8 15.Nc6 Kd6 16.Nb4 Rg8 17.Na3 Rg2 18.Nb5 Ke7 19.Nc6 Kf6 1–0. van Rooijen,Peter – Moran,Paul, FCV, 2001.

5.c3 Ba5 6.Bh8 Nc6 7.Qh5 Qe7 8.Qh7 Qf8 9.Bg7 (9...Nf6 10.Bf6+–) 1–0. pierre (2195) – joelynnturner, chesshere.com, 2007.

5.Bh8 c4 6.Nf3 +–.

5.Bh8 Nc6 6.Nf3 Nge7 7.Bf6 Qa5 8.c3 Ba3 9.Na3 Qa3 10.Bb5 Bd7 11.Be7 Ne7 12.Bd7 Kd7 13.0–0 Qa5 14.Ne5 Ke8 15.Qh5 Ng6 16.Ng6 fg6 17.Qh7 Rd8 18.Qg6 Kd7 19.Rab1 b5 20.Qf7 Kd6 21.Qf4 Kd7 22.Qf7 Kd6 23.a4! Rd7 24.Qf8 Kc6 25.Rb5 Qa4 26.Qc5# 1–0. gtate (1965) – ivos (1965), net–chess.com, 2006.

5.Bh8 Bd6 6.Nc3+–.

5.Bh8 e5 6.Bb5 Nf6 +–.

5.Bh8 e5 6.Qh5 Nf6 7.Bf6 Qf6 8.a3 Bd6 9.Qh7 Be6 10.Qg8 Bf8 11.Bb5 Bd7 12.Nc3 e4 13.Rb1 Qe6 14.Bc6 Bc6 15.Nge2 0–0–0 16.Nd4 Qd7 17.Nc6 bc6 18.a4 Bc5 19.Qg5 Bb6 20.0–0 f5 21.f3 Qe6 22.fe4 de4 23.Rf5 Rd2 24.Rf8 Kb7 25.a5 Qc4 26.ab6 Qc3 27.ba7 Ka7 28.Ra8! Ka8 29.Qg8 Ka7 30.Qa2 (30...Qa5 31.Qa5) 1–0. Rosner,Dirk – Sparfeld, Tiger SC, 1999.

5.Bh8 Nf6 6.a3 Bc5 7.d4 Bd6 8.Nc3 Qd7 9.Bf6 b6 10.Qh5 Nd4 11.ed4 Bb7 12.Qh7 Bf8 13.Qg8 Qc6 14.Bb5 (14...a6 15.Bc6 Bc6 16.Nf3+–) 1–0. marekt – bud_wise_er, GameColony.com, 2002.

5.Bh8 Nf6 6.a3 Bd6 7.Nc3 +–.

5.Bh8 Nf6 6.c3 Bf8 7.Qf3 +–.

5.Bh8 Nf6 6.Nf3 +–.

6.Nf3 Kf7 7.Nd4 Bd7 8.Qh5 Kf8 9.Qh7 Qe7 10.Qe7 Ke7 11.Nc6 Bc6 12.Bd3 d4 13.0–0 Nh6 14.Bf6! Kf6 15.ed4 Rg8 16.Nc3 Rg2+/– 17.Kh1 Ng4 18.f3 Nh2?? 19.Kg2+– Nf1 20.Rf1 1–0. gtate (1910) – tibo (1805), net–chess.com, 2004.

7.Qh7 Nce7 8.c3 Bd6 9.Qf7 (9.h4!? c5+–) 9...c5 10.Bf6 Kc6 (10...Nf6 11.Qf6 Qb6 12.c4+–) 11.Be7 Ne7 12.a4 Bd7 13.Bb5 Kc7 14.Bd7 Kd7 15.Nf3 Qh8 16.0–0 Rf8+/– 17.Qf8 Qf8 18.d4 c4 19.Nbd2 Nf5 20.Rab1 Qh6? 21.Rb7 Kc8 22.Rfb1 Ne3 23.Ne5 Be5 24.de5 Nf5? 25.Ra7 Qd2= 26.Rh7?? Qd3 27.Rf1? Qc3–+ 28.Rh3 Nd4?? 29.g4 Ne2 30.Kg2 Nf4 31.Kh1 Qh3 32.Rg1 1–0. bashful – mount, Live Game Caissa's Web, 2004.

7.Qh7 Nce7 8.Qh4 Nc6 9.Nf3 +–.

7.Qh7 Nce7 8.Qh4 Bd6 9.Bf6 Nf6 10.Qf6 +–.

7.Qh7 Nce7 8.Qh4 Qf8 1–0. market (1960) – ABCDEFtoZ (1680), GameColony.com, 2002.

7.Qh7 Nge7 8.Bf6 Qf8 9.Qg7 Qe8 10.Bb5 a6 11.Bc6 bc6 12.Nf3 Rb8 13.Ne5 Kd8 14.h4 (14...Bd6 15.h5+–) 1–0. Sundin,Thommy (2015) – Johansson,Hanz, Uppsala, 1989.

5.Qh5 Nd7 6.Bh8 Ngf6 7.Bf6 Qf6 8.Qh7 e4 +–.

5.Bh8 e4 6.Bc3 Nc6 7.Bb5 Bc3 8.Nc3 a6 9.Bc6 bc6 10.d3 Qf6 11.Nge2 Bg4 12.Qd2 h5 13.h3 Be2 14.Ke2 Nh6 15.Rab1 0–0–0 16.Na4 ed3 17.cd3 d4 18.Nc5 de3 19.fe3 Qg5 20.Ne4 Qg2+– 21.Nf2 Ng4 22.hg4 hg4 23.Rhg1 Qf3 24.Kf1 g3 25.Qe2 Qf2 26.Qf2 gf2 27.Kf2 Rd3 28.Ke2 Ra3 29.Rb2 c5 30.Rg7 c4 31.Rf7 c3 32.Rc2 Kb7 33.Rf4 Kb6 34.Rc4 c5 35.R4c3 Ra5 36.Kf3 Kb5 37.Rc5 (37...Kb6 38.Ra5 Ka5 39.e4 Kb5 40.e5 Ka5 41.e6 Kb6 42.e7 Kb7 43.e8Q Ka7 44.Rb2 a5 45.Qd7 Ka6 46.Qb7) 1–0. McCarthy,Michael – Hodds,Martin, WCCF, 2001.

5.Bh8 Nf6 6.a3 +–.

5.Bh8 Nf6 6.Nf3 e4 7.Nd4 +–.

5.Bh8 b6 6.Bd3 h6 7.Qg4 Nf6 8.Bf6 Bf6 9.Qg8 Ke7 10.Qd8 Kd8 11.c3 Nc6 12.f4 Nb4 13.Ke2 Nd3 14.Kd3 Ba6 15.Kc2 Bf1 16.Nf3 Bb5 17.a4 Ba6 18.g4 Be2 19.Ne5 Be5 20.fe5 Bg4 21.Rg1 Bf5 22.d3 Bg6 23.Nd2 Ke7 24.Raf1 Rg8 25.Nf3 Rc8 26.Nh4 (26...Bh5 27.Rg7+–) 1–0. Sommer,Roman – Mueller,Andreas, Hassloch op–B, 1999.

5.Bh8 Nf6 6.Nf3 +–.

6.Bf6 Qf6 7.Nc3 a6 8.Qf3 Qg6 9.Bd3 Qg7 10.Qg3 Qg3 11.hg3 h6 12.Bh7 Nf6 13.Rh6 Nh7 14.Rh7 Nc6 15.a3 Ke7 16.Nf3 Bd7 17.Ng5 Be8 18.0–0–0 b5 19.Na2 a5 20.c3 Rb8 21.Kc2 Ne5 22.d3 b4 23.ab4 ab4 24.Nb4 c5 25.Na2 Ba4 1–0. Wilting – Pavolic, corr, 1969.

6.Bf6 Qf6 7.Nc3 Ne7 +–.

6.Bf6 Qf6 7.d4 Nc6 8.Nd2 Bd7 9.Bb5 0–0–0 10.c3 Nh6 11.Ngf3 Re8 12.Ne5 Ne5 13.de5 Qe5 14.Bd7 Kd7 15.Qa4 Kd8 16.Qa7 Qc3 17.Rd1 Qd3 18.Qb7 Nf5 19.Rc1 Ke7 20.Qc7 Kf8 21.Qc5 Kg8 22.Qc6 Rd8 23.Qc7 Re8 24.g4 Ne3 25.fe3 Qe3 26.Kd1 Qf3 27.Nf3 (27...Rf8 28.Re1+–) 1–0. wood – gambitgod, Live Game Caissa's Web, 2005.

6.Bf6 Qf6 7.d4 e5 8.Nf3 Nd7 9.Bb5 +–.

6.Bf6 Nf6 7.Nf3 Qe7 8.Be2 Nc6 9.c4 Bd7 10.cd5 Nd5 11.Bb5 0–0–0 12.Bc6 Bc6 13.Qb3 a6 14.Ne5 Bb5 15.Nc3 Qg5 16.Nb5 ab5 17.Nf3 Qg2 18.Rg1 Qf3+/– 19.Qb5 Qe4 20.a4 Kb8 21.a5 Nb4 22.a6?? Nc2–+ 23.Kf1 Na1 24.ab7 Qc2 25.Qa6?? Qd1 26.Kg2 Rg8 27.Kh3 (27...Qh5#; 27.Kh1 Qg1#). grower – Dragonpoo, Live Game Caissa's Web, 2005.

5.Bh8 Nbc6 6.Bc3 Bc5 7.d4 Bb6 8.Qh5 Kd7 9.Qh7 Nf5 10.Qf7 Nce7 11.g4 Nh6 12.Qh7 Qf8 13.Be2 c6 14.Nf3 Kc7 15.Ne5 Bd7 16.Nd7 Kd7 17.g5 Nhf5 18.Nd2 Qe8 19.Bg4 a5 20.Bf5 ef5 21.Nf3 a4 22.Ne5 Kd6 23.Bb4 c5 24.dc5 Bc5 25.Nf7 Kc6 26.Bc5 Kc5 27.0–0–0 Qb5 28.Ne5 a3 29.Qe7 Kb6 30.Nd7 Ka7 31.Qa3 Qa6 32.Qc5 b6 33.Qc7 Qb7 34.Qb7 Kb7 35.Rd5 Ra2 36.Kb1 Ra6 37.Rhd1 (37...Ra4 38.Rf5+–) 1–0. revbodio – goldenbear1435, Live Game Caissa's Web, 2006.

5.Bh8 Nec6 6.Qh5 d4 7.Qh7 de3 8.Qg8 Ke7 9.Qd8 Kd8 10.fe3 Na6 11.Nf3 Be7 12.Ba6 ba6 13.0–0 Nb4 14.Nd4 c5 15.a3 cd4 16.ab4 de3 17.de3 Bb4 18.Rf7 Ke8 19.Rh7 Kf8 20.Bf6 Rb8 21.Bd4 Rb5 22.Rh8 Ke7 23.Rc8 Rd5 24.Ra6 Kd7 25.Ra8 e5 26.R8a7 Kc8 27.c4 Rd8 28.Rf7 ed4 29.Ra8 1–0. mtra – metti, Internet, 2002.

5.Bh8 Ng6 6.Bb2 b5 7.Bb5 c6 8.Ba4 Bd7 9.c3 Bd6 10.Nf3 Na6 11.0–0 Ne5 12.d4 Ng4 13.h3 Nf6 14.Nbd2 Rb8 15.Qc2 Ne4 16.Ne4 h6 17.Nd6 Ke7 18.Ba3 f5 19.Nb7 Ke8 20.Nd8 Rd8 21.Ne5 h5 22.Qe2 f4 23.Qh5# 1–0. gtate (1800) – rickitikitavi, net–chess.com, 2002.

5.Bh8 Ng6 6.Bg7 +–.

5.Nf3 Nc6 6.Bb5 Bd7 7.0–0 h5 8.Bh8 e5 9.Bc6 Bc6 10.Ne5! fe5 11.Qh5 Ke7 12.Qe5 Kf7 13.f4 Qh4 14.Qc7 Ke6 15.Be5 d4 16.c3 dc3 17.Nc3 Qg4 18.f5 Qf5 19.Rf5 Kf5 20.Rf1 Kg6 21.Qg7 Kh5 22.Rf5 Kh4 23.Bg3 (23.Qg5) 1–0. Trkn – Cain, itsyourturn.com, 2000.

5.Nf3 Nc6 6.Bb5 Nh6 7.a3 Rg8 8.ab4?! Rg7 9.Bc6 bc6 +=.

5.Nf3 Nc6 6.Bb5 Nh6 7.a3 Rg8 8.Bh6 +–.

5.Nf3 Nc6 6.Bh8 Nh6 7.c3 Bd6 +–.

5.Nf3 Kf7 6.Bh8 Nh6 7.Ne5 fe5 8.Qh5 Kg8 9.Be5 +–.

5.Nf3 Kf7 6.Bh8 Nh6 7.Ne5 fe5 8.Qh5 Kg8 9.Qh6?! Kh8 10.a3 Bf8 +–.

5.Qh5 Kd7 6.Bh8 Qe7 7.Bb5 c6 8.Ba4 b5 9.Bb3 Na6 10.c3 Ba5 11.Ne2 b4 12.0–0 Rb8 13.c4 Nc5 14.Qg4 (Better is 14.d4!? Nb3 15.ab3 Bc7 16.Ra7 dc4 17.bc4 Bb7+–) 14...Ba6 15.f4 (Better is 15.d4 Nh6 16.Qh5 Nb7 17.Qh6 Rh8+–) 15...dc4 16.Bc2 c3 17.f5 (17.dc3?! Nh6 18.Rd1 Kc7 19.Bf6 A) 19...Ng4?? 20.Be7 Ne3 21.Bd6 (< 21.Bc5 Nc2 22.Bd6 Kb7+–) 21...Kb7 22.Rc1+– (22.Bc5?! Nc2 23.Nd4 Na1+–; 22.Bb8?! Nc2 23.Ba7 Be2+–); B) 19...Qf6+–) 17...Be2 18.Qe2 Qd6 19.d4 Nb7 20.Bb3 ef5 21.Rf5 c5 22.Rd5 (22...Qd5 23.Bd5+–) 1–0. willi_weizenkeim – RookedRalph, HCL–B2449 playchess.de, 2003.

5.Qh5 Kd7 6.Bh8 Qe7 7.Nf3 Nc6 8.Bb5 a6 9.Bc6 bc6 10.Nc3 a5 11.0–0 h6 12.e4 Qh7 13.Ne5 (Better is 13.ed5 cd5 14.Nd5 Qh8 15.Qf7 Ne7 16.Nf6 Kd8+–) 13...fe5 14.Qe5 (14.Be5 de4 15.Qg4 Bd6+–) 14...Bc3 (14...Bd6 15.Qd4 c5 16.Qa4 Kd8+–) 15.Qc3 Qe4 16.Rfe1 Qg6 17.Qg3 Ne7? 18.Qg6 Ng6 19.Bg7 h5 20.Re3 Rb8 21.Rb3 Rb5 22.d3 Nf4 23.g3 Ng6 24.c4 Rb4 25.Rb4 ab4 26.c5 Ba6 27.d4 Bc4 28.Rb1 Ba2 29.Rb4 Bc4 30.Rb8 e5 31.de5 Ke6 32.f4 Ne7 33.Kf2 Kd7 34.Bf6 Nf5 35.h3 d4 36.g4 hg4 37.hg4 Ne7 38.Be7 Ke7 39.Rb4 Be6 40.f5 Bd5 41.Rd4 Kf7 (41...Be6 42.Ke3 Bb3 43.g5+–) 1–0. Lopez Gajete,Antonio – Ranea Exposito,A, Malaga ESP Primera ch, 1998.

5.Qh5 Kd7 6.Bh8 Nh6 7.c3 Qh8 8.cb4 f5 9.d4 Qg7 10.Nf3 Nc6 11.b5 Nb4 12.Ne5 Kd6 13.Qh4 Bd7 14.Kd2 Nf7 15.Qg3 Qg3 16.Nf7 Ke7 17.hg3 (17...Bb5 18.Bb5 Kf7 19.Rh7 Kf6 20.Rc7+–) 1–0. pierred (2595) – eduardobandeira (2100), net–chess.com, 2008.

5.Bh8 Kd7 6.Bd3 +–.

5.Bh8 e5 6.Qh5 Kd7 7.Qg4 Kd6 8.Qb4 c5 9.Qh4 h6 10.c4 Be6 11.cd5 Bd5 12.Nc3 Bc6 13.Rd1 Kc7 14.d4 cd4 15.ed4 ed4 16.Qd4 Qe8 17.Qe3 Qg6 (17...Qe3 18.fe3 Nd7 19.Nb5 Kb6 20.Nd6+–) 18.Qd3 (18.Nf3 Nd7 19.Nb5 Kd8 20.Na7 Ba4+–) 18...Qe8 (18...Qd3 19.Rd3 Na6 20.Ke2+–) 19.Nge2 Nd7 20.Nd5 Kb8 21.Qg3 Ne5 22.Nf6 Nf6 23.Bf6 a6 24.Be5 Ka7 25.Qe3 b6+– 26.Qh6 a5 27.Qg7 Bb7 28.Nc3 Qc6 29.Nb5 (29...Ka6 30.Nd4 b5 31.Nc6 Rc8 32.Bb5 Kb6 33.Bd4 Kb5 34.Qb7 Kc4 35.Na5#) 1–0. Rempe,Torge – Carl,Sven, Schleswig Holstein–chB U16, 2001.

5.Bh8 e5 6.Qh5 Ke7 7.Qh7 (7...Kd6 8.a3+–) 1–0. mrkt – dralissa, Internet, 2005.

5.Bh8 e5 6.Qh5 Ke7 7.Qh7 Ke6 8.e4 +–.

5.Bh8 Kf7 6.Qh5 Kf8 7.Qg4 (Better is 7.Qh7!? Qe7 8.Qh5 e5+–) 7...e5 (7...Qe7+–) 8.Qb4 (8...Kf7 9.Qh4+–; Better is 8.Qg7!? Ke8 9.Qg8 Kd7 10.Qg4 Ke8 11.Qb4 Kf7+–) 1–0. Anden – bartho149, Live Game Caissa's Web, 2004.

6.Nf3 Nc6 7.Bb5 Bd7 8.Bc6 Bc6 9.0–0 0–0–0 10.c3 Bd6 11.a4 Nh6 12.Bf6 Qf6 13.d4 Rg8 14.h3 Be8 15.Nbd2 Bh5 16.a5?? Qg7–/+ (17.g3 Nf5–+) 0–1. gtate (1980) – sirky (1985), net–chess.com, 2005.

6.Qg4 Qf8 +–.

6.Qg4 Nh6 7.Qh5 Nf7 8.Qh7 Nh8 9.Qh8 Kd7 +–.

6.Qh5 Kd8 7.Bd3 f5 8.Nf3 Nd7 9.Ne5 Ngf6 10.Qh4 Ng8 11.Qe7 Ne7 12.Nd7 Bd7 13.Bc3 Bc3 14.Nc3 a6 15.h3 c5 16.g4 Bc6 17.Rg1 c4 18.Bf1 b5 19.gf5 Nf5 20.Rg8 Kc7 21.Ra8 Ba8 22.Bg2 Nh4 23.Bh1 b4 24.Ne2 Kd6 25.a3 ba3 26.Ra3 Bb7 27.d3 cd3 28.cd3 Nf5 29.e4 Ne7 30.Kd2 h6 31.Nd4 de4 32.Be4 Bc8 33.Ra5 Ng8 34.Rh5 e5 35.Nf3 Nf6 36.Rh6 Ke6 37.Kc3 (37...a5 38.d4 ed4 39.Kd4+–) 1–0. Wedding,Robin (1620) – Rogers,Henry, CP.2001.P.00090, 2001.

6.Qh5 Kd8 7.Bd3 h6 8.Nf3 +–.

6.Qh5 Qf7 7.Qf7 Kf7 8.Bd3 f5 +–.

6.Qh5 Qf7 7.Qh4 Nd7 8.Bd3 h5 9.Nh3 Ne5 10.Qb4 Ng6 11.Bg6 Qg6 12.Qh4 e5 13.Nc3 Qg2 14.Qh5 Kd7 15.Rg1 Qh2 16.0–0–0 c6 17.Rg8 Kc7 18.Qf7 Kb6 19.Rg7 Qh3 20.Nd5 Ka6 21.Nc7 Kb6 22.Na8 Kb5 23.Qb3 Kc5 24.d4 (24...Kd6 25.de5 Ke5 26.Qc3 Ke4 27.Rd4 Kf3 28.Rf4 Ke2 29.Qd2 Kf1 30.Qd1; 24.Qa3 Kd5 25.f3 Qd7 26.Rd7 Bd7 27.Nc7 Kc4 28.d3) 1–0. Baker,Tim – Lafargue,Philippe, IECC, 2000.

6.Qh5 Qf7 7.Qh4 Be7 8.Bd3 f5 9.Qg3 +–.

6.Qh5 Qf7 7.Qh4 Be7 8.Be2 Qf8 9.Qh7 Nh6 10.Bg7 Qg8 11.Qh6 Nc6 12.Bh5 Kd7 13.h4 Ne5 14.Bf6 Qg2 15.Qh7 Qh1 16.Be8! Kd6 17.Qe7# (17.Be7?!=) 1–0. pierred – horn21, ChessWorld.net, 2005.

5.Bh8 c5 6.Qf3 Qa5 7.c3 Bc3 8.Nc3 d4 9.ed4 cd4 10.Bb5 Nbd7 11.Bd7 Bd7 12.Ne4 0–0–0 13.Bf6 d3 14.Rc1 Kb8 15.Bd8 Qa2 16.Nd6 Qd5 17.Bc7 Ka8 18.Qf7 a6 19.Qf8 Ka7 20.Qb8 1–0. saetta – chekin, ICS, 1999.

5.Bh8 d4 6.Bf6 Qf6 7.c3! dc3 8.Qa4 Nc6 9.Qc2 cd2–+ 10.Nd2 Qa1 11.Qd1 Qa2 12.Ngf3 f5 13.Bc4?? Bd2 14.Nd2–/+ Qa5 15.Qh5= Kd8 16.Qg5 Ne7 17.Ke2 Bd7 18.Qg7 b5 19.Qf8 Be8+= 20.Be6 c5?? 21.Bf7 Kc7 22.Qe7 Bd7 23.Qc5 Kb7 24.Bd5 Kb8 25.Ba8 Ka8 26.Qd5 Kb8 27.Qd7 b4 1–0. tanto – pchandler, net–chess.com, 2001.

5.Bh8 Kd7 6.c3 Bc3 7.Nc3 Qh8 8.Qa4 (8.d4 Qg7+–) 8...c6 (8...Kd8 9.d4+–) 9.Be2 (9.d4 Qd8+–) 9...Ne4 10.Ne4 Qa1+= 11.Bd1 de4 12.Qe4 Qg7 13.Ne2 Qg6 14.Qf3 Ke7 15.0–0 Nd7 16.Nf4+= Qf5 17.e4 Qg5 18.d4+= b6 19.e5 Bb7 20.Bc2 Rb8 21.Be4 Rc8 22.Rc1 Rd8 23.Bc6+– Ne5? 24.de5 Bc6+/– 25.Rc6 Qf4+– 26.Qa3 Ke8= 27.g3?? Qe4 28.Rd6= Rd6 29.Qd6 Qb7 30.a3 a5 31.f4+= b5 32.f5 Qc8 33.f6+= Qd8 34.Qc6 ½–½. Ramos Bonilla,Ibsen – Nusbaum,Bryan, compuserve, 1995.

5.Bh8 Kd7 6.Bf6 Qf6 7.Nc3 Bc3 8.dc3 Nc6 9.Qd2 Nb4 10.a3 Nc6 11.Bb5 a6 12.Bc6 bc6 13.Nf3 Bb7 14.0–0 c5 15.Rab1 d4 16.Rb7 e5 17.cd4 ed4 18.ed4 cd4 19.Nd4 Re8 20.Nb5 Kc6 21.Rc7 Kb5 22.Qb4# 1–0. MarcosRamos – grandslam842, chesshere.com, 2007.

5.Bh8 Kd7 6.Bg7 Ke7 7.Bf6 Kf6 8.Qg4 e5 9.Qh4 Ke6 10.Qd8 Nc6 11.Qe8 Ne7 12.Nf3 1–0. marekt – chessboy, gameknot.com, 2001.

5.Bh8 Kd7 6.Bg7 Ke8 +–.

5.Bh8 Bd7 6.Nf3 Nc6 7.Be2 Qe7 8.0–0 0–0–0 9.Bf6 Qf6 10.Nc3 Rg8 11.Na4 Ne5 12.Ne5 Qe5 13.c3 Bd6 14.g3 Qe4 15.d4 e5 16.Nc5 Bc5 17.Bf3 Qg6 18.dc5 e4 19.Bg2 f5 20.Qd5 c6 21.Qd6 Qd6 22.cd6 h5 23.Rab1 Be6 24.Rb2 Bc4 25.Rd1 Rg7 26.d7! Rd7 27.Rd7 Kd7 28.Rb7 Kd6 29.Ra7 (29...Be2 30.a4+–) 1–0. jonnyboy373 – Reynier, ChessWorld.net, 2004.

5.Bh8 (5...Nbd7 6.Nc3+–) 1–0. slavisa10 – MarcusBiMan, Live Game Caissa's Web, 2004.

5.Bh8 Nbd7 6.Nf3 e5 7.Be2 c5 (7...Bd6 8.Nc3+–) 8.c3 Ba5 9.Qa4 (9.d3 e4 10.de4 de4+–) 9...Bc7 10.Qh4 e4 (10...c4 11.0–0+–) 11.Ng5 Nf8 12.Bh5 Ng6 13.Bg6 hg6 14.Ne6 Be6 15.Bf6 Qd6 16.c4 Bd8 17.Nc3 Bf6 18.Qf6 Rd8 19.0–0 b6 20.Rfc1 Qc7 21.cd5 Bd5 22.Nd5 Rd5 23.Rc4 Qe5 24.Qe5 Re5 25.Ra4 a5 26.Rb1 Re6 27.g4 Kd7 28.h4 Kc6 29.Kf1 Re5 30.f3 ef3 31.Rf4 Re7 32.Rf3 Rb7 33.h5 f5 34.hg6 fg4 35.Rf6 Kd5 36.Rbb6 1–0. Woschkat,Karl_Heinz – Angsupun,Pallop, IECG M, 1996.

5.Bh8 Nbd7 6.Nf3 Ke7 7.Bf6 Nf6 8.Be2 c5 9.c3 Ba5 10.0–0 a6 11.Ng5 h6 12.Nf3 Bc7 13.d4 cd4 14.cd4 b5 15.Qc2 Bd7 16.Ne5 Be5 17.de5 Ne4 18.f3 Rc8 19.Qd1 Ng5 20.Qb3 Bc6 (20...Qa5 21.Bd3 Ke8 22.h4+–) 21.Qa3 Ke8 (21...Kd7 22.h4 Nh7 23.Bd3+–) 22.f4 (22.Qa6!? b4+–) 22...Ne4 23.Qa6 d4 (23...Nc5 24.Qa7 Ne4 25.Rc1+–) 24.Bb5 Bb5 25.Qb5 Kf8 26.Qb4 Rc5 (26...Kg7 27.Qd4 Qd4 28.ed4+–) 27.ed4 (27...Qa5 28.Qe1+–) 1–0. market (1855) – hector007 (1755), GameColony.com, 2002.

5.Bh8 e5 6.c3 +–.

5.Bh8 e5 6.Nf3 +–.

5.Bh8 Qe7 6.Nf3 Bd7 7.a3 Ba5 8.Bd3 Nc6 9.c3 0–0–0 10.Bf6 Qf6 11.Bh7 Rh8 12.Qc2 Qg7 13.g3 Qh7 14.Qh7 Rh7 15.0–0 e5 16.d4 ed4 17.cd4 Bh3 18.Rc1 f5 19.Nbd2 Ne7 20.Ne5 f4 21.Ndf3 fe3 22.fe3 Nf5 23.Ng5 Rg7 24.Nh3 Ne3 25.Nf4 Bb6 26.Ra2 Bd4 27.Rac2 Be5 28.Ne6 Rd7 29.Re2 d4 30.Rd1 Nf5 31.Re5 d3 32.Rf5 d2 33.Rf2 b6 34.Nf4 Kb7 35.Rfd2 Rd2 36.Rd2 a5 37.h4 c6 38.h5 1–0. Hugi – Nautiluschess, ICS blitz, 2000.

5.Bh8 Qe7 6.Bf6 Qf6 7.c3 Bd6 8.Nf3 Nc6 9.d4 Bd7 10.Bb5 0–0–0 11.Bc6 Bc6 12.0–0 Rg8 13.Nbd2 e5 14.de5 Be5 15.Ne5 Qe5 16.Qc2 (Better is 16.Nf3!? Qe4 17.h3 d4+–) 16...d4 17.ed4 (17.cd4 Rg2) 17...Rg2 18.Kh1 Qh2 0–1. bashful – PasadenaBiGuy, Live Game Caissa's Web, 2004.

5.Bh8 Kf8 6.Bf6 Qf6 7.c3 Bc3 (7...Bd6+–) 8.Nc3 Qc3 (8...c5+–) 9.dc3 Na6 10.Qh5 Ke7 11.Ba6 Bd7 12.Bb7 a5 13.Qg5 Kf8 14.Ba8 a4 15.Rb1 f6 16.Rb8 Ke7 17.Qg8 a3 18.Qf8 1–0. bashful – Grits, Live Game Caissa's Web, 2004.

5.Bh8 Bf8 6.Qf3 Nc6 (6...Nbd7+–) 7.Bf6 Be7 1–0. Anden – twisted, Live Game Caissa's Web, 2004.

6.Bb5 Bd7 7.Bc6 Bc6 8.Qf3 (8.Nf3 Qe7+–) 8...Be7 (8...d4 9.Qh3+– (9.Qf6?! Bg2 10.Qd4 Qd4 11.Bd4 Bh1+–; 9.Bf6?! Bf3 10.Bd8 Bg2 11.Bc7 Bh1+–)) 9.Ne2 Kd7 (9...d4 10.Qh3 d3+–) 10.Nd4 (Better is 10.Bf6 Bf6 11.d4+–) 10...Qh8 11.Nc6 Kc6 12.Nc3 (12.c4 Ne4 13.cd5 ed5+–) 12...Bb4 (Better is 12...Ne4 13.Qf7 Qf6 14.Qf6 Bf6–/+) 13.e4?? (Better is 13.0–0+–) 13...Ne4–/+ 14.Ne4?? (Better is 14.a3 Bc3 15.dc3 Qc3 16.Qc3 Nc3 17.Rg1–/+) 14...Qa1–+ (15.Qd1 Qd1 16.Kd1 de4–+) 0–1. tromar (1705) – Epsi (1620), GameColony.com, 2002.

6.c3 Bd6 7.Qf3 Ne4 8.Qh5 e5 9.Nf3 Nf6 10.Qg5 Nd7 11.Qg8 Nf8 12.Ng5 Be6 +–.

6.Bf6 Qf6 7.c3 Ba5 (7...Bd6 8.Qb3+–) 8.Bb5 Bd7 9.Nf3 a6 10.Ba4 b5 11.Bc2 b4 (11...e5 12.e4 (12.Bh7?! e4+–) 12...d4 13.Bb3+–) 12.Nd4 Nd4 13.ed4 e5 (13...bc3 14.dc3 c5 15.dc5 (Worse is 15.Bh7 cd4 16.Qc2 Qe5 17.Kd1 Qg7+–) 15...Bc3 16.Nc3 Qc3 17.Kf1+–) 14.0–0 (14.Qh5 ed4 15.Qd5 Qe6 16.Qe6 Be6 17.cb4 Bb4 18.Bh7 Kd7+–) 14...ed4 15.Re1 (15.a3 bc3 16.dc3 Bb5 17.Re1 Kf8 18.Bh7 dc3 19.Qd5 Rd8 20.Qc5 Rd6+–) 15...Be6 (15...Kf8 16.Bh7 Bb6 17.Rf1+– (17.cb4?! d3 18.Qf3 Qa1+–)) 16.Ba4 (16.Bd3 Kf8 17.Qa4 Bb6 18.cb4 Kg7+–) 16...Ke7 (16...Kf8 17.Bc6 Rb8 18.cb4 Bb4 19.Qh5+–) 17.cb4 Bb4 18.Qb3 c5 (18...Bd6 19.Qd5 Rd8 20.Qe4+–) 19.Qd5 (19.a3!? d3 20.Nc3 Kf8 21.ab4 d4+–) 19...Rd8 (19...Rc8 20.Qb7 Kf8 21.a3+–) 20.Qb7 Kf8 21.a3 Ba5 22.Qa6 Bc7 23.d3 Qf4 24.Ra2 Qh2–/+ 25.Kf1 Qh1 26.Ke2 Qg2 27.Nd2?? Bg4–+ 28.Nf3 Qf3 29.Kf1 Bh3 30.Kg1 Qg2 0–1. kamera – taskotibor, GameColony.com, 2002.

7.Bb5 Bd7 8.Qf3 Ne4 9.Qh5 h6 10.Nf3 Ng5 11.d4 a6 12.Bd3 Nf3 +–.

7.Bd3 e5 8.Bb5 Qd6 9.d4 ed4 10.ed4 Bg4 11.Ne2 0–0–0 12.f3 Bd7 +–.

7.d4 Ne4 8.Nf3 Bd6 9.Be5 Ne5 10.de5 Bc5 11.Bd3 Bd7 12.Qc2 Bc6 +–.

7.Qf3 Nd7 8.d4 Qg5 9.Qg3 Qf5 10.Nd2 Ne7 11.Ngf3 Ng6 12.Be5 Nde5 +–.

7.Nf3 e5 8.Bb5 Qd6 9.d4 ed4 10.Bc6 Qc6 11.Nd4 Qb6 12.Qb3 Be7 +–.

6.c3 Ba5 7.Nf3 Nc6 8.Bb5 Bd7 9.Bc6 Bc6 10.0–0 Qd6 11.Ne5 Qf8 12.Nc6 bc6 13.Be5 Qh6 14.f3 Nc5 15.Bf4 Qg6 16.Na3 Nd3 17.Qa4 Nf4 18.ef4 Bb6 19.d4 Kd7 20.Qc2 Qh6 21.f5 e5 22.Rad1 Qe3 23.Kh1 ed4 24.Rfe1 Qc3 25.Qc3 dc3 26.f6 Rb8 27.Re7 Kc8 28.Rf7 Bc5 29.Nc2 Rb2 30.Ne1 Ra2 31.h4 h6 32.Rc1 d4 33.Rh7 Rf2 34.Nd3 Ba3 35.Rh8 Kd7 36.Re1 Rd2 37.Ne5 Ke6 38.Nc4 Kf6 39.Na3 c2 40.Rh6 Kf5 41.Kh2 d3 42.Nc4 Rd1 43.Re5 (43...Kf4 44.Rf6#) 1–0. tschulz – Juri, Pfingstturnier, 2004.

6.c3 Bd6 7.d3 Nf6 8.Nf3 +–.

6.Qf3 Nc6 7.Bd3 Ne5 8.Be5 Qg5 9.Bf4 Qf6 10.Nh3 Qa1 11.0–0 Qa2 12.Ng5 Bd2 13.Nd2 Nd2 14.Qh5 Nf1 15.Qf7 Kd8 16.Bc7# 1–0. guest931 – guest1931, ICS blitz, 2000.

6.Nf3 f6 7.Bb5 Bd7 8.Bd3 Nf2 9.Kf2 f5 10.Ne5 Qh4 11.g3 Qg5 12.h4 Qg8 13.Qh5 Ke7 14.Qg5 Qg5 15.hg5 Nc6 16.Bf6 Kf8 17.Nd7 Kf7 18.Rh7 Kg6 19.Rg7 Kh5 20.Nc3 Bf8 21.Rh1 Kg4 22.Be2# 1–0. Nautiluschess – oellinas, ICS blitz, 2001.

6.Qh5 Qf6 7.Bf6 Nf6 8.Qg5 (8...Nbd7 9.Nf3+–; 8.Qe5!? Nbd7 9.Qc7 Ke7+–) 1–0. var – luthier, Live Game Caissa's Web, 2004.

6.Qh5 Nf6 7.Qh4 Be7 +–.

5.Bh8 c5 6.Nf3 Qe7 7.c3 Ba5 8.Qa4 Nc6 9.Bb5 Bd7 10.Bc6 Bc6 11.Qa5 b6 12.Qa6 Qb7 13.Qe2 c4 14.Nd4 Bd7 15.Qh5 Ke7 16.Qh4 f6 17.Qh7 Kd6 18.Qg6 f5 19.Qg3 e5 20.Be5 Kc5 21.Bd6# 1–0. Trkn – guest4875, ICC, 2005.

5.Bh8 Nd7 6.Nf3 Qe7 7.a3 +–.

5.Bh8 e5 6.Nf3 Qh5 7.Ne5 Bf5 8.Qh5 Nc6 9.Qf7 Kd8 10.Qd5 Bd6 11.Qg8 Ke7 12.Qf7 Kd8 13.Bf6 Kc8 14.Qe8 Nd8 15.Qd8# 1–0. b4_player – opponent, internet, 2008.

6.Nf3 Qg4 7.Be2 +–.

6.Nf3 Qg4 7.Rg1 +–.

6.Nf3 Qh5 7.c4 Kf7 8.g4! Qg4 9.Ne5! fe5 10.Qg4 dc4 11.Qg7 Ke8 12.Qg8 Kd7 13.Bc4 Kd6 14.Be5! Ke5 15.Qc8 Ke4 16.Qe6 Kf3 17.Bd5# 1–0. pierre – resident evil, chesshere.com, 2007.

6.Nf3 Qh6 7.c3 Be7 (7...Bd6 8.d4+–) 8.d4 Bd7 9.Nbd2 Bd6 (9...Qg6 10.Qb3 Bc6 11.Rb1+–) 10.Rb1 b6 11.Qc2 (11.e4 c5+–) 11...Nc6 12.Bd3 Nge7 13.e4 0–0–0 14.e5 Rh8 15.ed6 cd6 16.c4 dc4 17.Nc4 Kc7 18.a4 d5 19.Ne3 Kb7 20.0–0 Ng6 21.Qd2 Nh4 22.Be2 Rg8 23.Rfd1 Nf3 24.Bf3 Qg6 25.a5 Ne7 26.ab6 1–0. Van Esbroeck – Robbe, corr Belgium T2–065, 1995.

7.a3 Bd6 8.Nc3 +–.

7.Bd3 f5 8.g4 Ne7 9.gf5 ef5 10.Rg1 +–.

8.a3 Bc5 +–.

8.a3 Bd6 +–.

8.c3 Bd6 9.Qc2 +–.

8.e4 Nd7 +–.

9.Qc2 Nc6 10.a4 Nh6 11.Na3 a6 12.c4 Nb4 13.Qb1 Nd3 14.Qd3 dc4 15.Nc4 Qg8 16.0–0 Qh8 17.Nd4 e5 18.Ne2 Qg7 19.Ng3 Be6 20.Rac1 Rd8 21.Qb1 b6+/– 22.f4 Ng4 23.fe5+– Qh6 24.h3 Rd2? 25.hg4 Bc4 26.Nf5 Qg5 27.Rc4 Bc5 28.Rc5 bc5 29.Qb8 Kd7 30.e6 Ke6 31.Qc8 Kf7 32.Qc7 Kg8 33.Rb1 (33...Rg2 34.Kg2 Qg4 35.Ng3 Kh8 36.Qd8 Kg7 37.Rb7 Kh6 38.Qf6 Qg6 39.Qf8 Kg5 40.Qf4) 1–0. Gross,Wilhelm – Cosmol, tt Bundesbank–Dt.Bank, 1993.

9.Qc2 e5 10.Qa4 Nd7 11.Bc2 +–.

9.Qc2 e5 10.Bh7 e4 11.Be4 de4 12.Qe4 Nc6 +–.

9.Bc2 Nc6 10.d4 Qf8 11.Qd3 Bd7 12.Qh7 0–0–0 13.Bg7 Qf7 14.Bg6 (14...Qg6 15.Qg6+–) 1–0. Ihaveagirlfriend – JAY2PLAY, ChessWorld.net, 2004.

9.Bc2 Nh6 10.Ba4 c6 11.g4 +–.

9.e4 de4 10.Be4 Nh6 11.Qa4 Nd7 +–.

9.e4 Qg6 10.Rg1 Nh6 +–.

9.a3 Bf8 10.Nb5 +–.

9.a3 Bf8 10.Nf5 e4 11.Be4 de4 +–.

9.Be2 ed4 Bh5 Qh5 (10...Be6 11.Bf7 Bf7 12.Qg4+–) 1–0. guest665 – guest830, ICC, 1999.

9.Be2 Kd8 10.Bh5 Qf8 11.Nb3 Ne7 12.Qf3 Qh8+/– 13.Bf7 c6 14.a3 Bd6 15.Qg3 h6 16.Nd4 Qh7+= 17.Ne6 Kd7?? 18.Nf8+– (18...Kc7 19.Nh7+–) 1–0. 73DADDELDU37 – Henne111@, mySchach.de, 2005.

9.Be2 Ne7 10.c3 Bc5 11.Nb3 +–.

9.Be2 Ne7 10.c3 Qf8 11.Qa4 Kd8 12.Qb4 ed4 13.Bf6 Qf6 14.Qd4 Qf8 +–.

5.c3 Bd6 6.Bh8 e5 7.d4 +–.

5.c3 Qg5 6.cb4?! Qg7 7.Nc3 a5 +=.

5.c3 Qg5 6.Bh8 Bd6 +–.

5.c3 Qg5 6.Bh8 Nf6 7.cb4 Qe5 8.d4 Qf5 9.Bd3 Qg5 10.Nf3 Qh6 11.Bf6 Qf6 12.Qc2 Nc6 13.Bb5 e5 14.Ne5 Bf5 15.Qc5 0–0–0 16.Bc6 bc6 17.Qa7 c5 18.Qa8 1–0. marus2 – Zxzx, internet, 2001.

5.Bh8 Qe7 6.Nf3 +–.

5.Bh8 Nf6 6.Nf3 Qg4 7.Bf6 Bd7 8.a3 Ba5 9.Nc3 Nc6 10.h3 Qg6 11.Bh4 f6 12.Bd3 Qh6 13.0–0 0–0–0 14.Rb1 Rg8 15.Na4 e5 16.Kh2 Qg7 17.Rg1 e4 18.Nc5 ed3 19.cd3 Bb6 20.Nd7 Kd7 21.Qb3 Ne5 22.Qd5 Kc8 23.Ne5 fe5 24.Qe6 Kb8 25.Bg3 Ba5 26.Be5 Qg6 27.Qg6 hg6 28.Rb3 Bd2 29.Rgb1 b6 30.d4 Rf8 31.f4 Kc8 32.d5 Rf7 33.d6 cd6 34.Bd6 Rd7 35.Rd3 Ba5 36.Rc1 Kb7 37.e4 Rf7 38.g3 g5 39.f5 Rh7 40.g4 Rh8 41.f6 Rd8 42.f7 b5 43.f8Q Rf8 44.Bf8 Bc7 45.Bd6 Bd8 46.Bb4 a6 47.Rd8 Kb6 48.Rd6 Kb7 49.Ba5 b4 50.Rc7 Kb8 51.Rd8# 1–0. lim2 – johndough, Caissa.com, 2004.

4.c4 Bb4 5.Bg7 Nc6 6.Bh8 f6 7.Nf3 Kf7 8.Nh4 Nge7 9.Qh5 Ng6 10.Qh7 Kf8 11.Qg7 (11...Ke8 12.Qg6 Kd7 13.Bf6+–) 1–0. gtate (1910) – tibo (1805), net–chess.com, 2004.

4.Nf3= a6 5.Be2 Nd7 (5...Bb4?? 6.Bg7 Nf6 7.Bh8+–) 6.0–0 Ngf6 (6...Bb4?? 7.Bg7 e5 8.Bh8+–) 7.a3 Bd6 8.Nd4 c5 9.bc5 bc5 10.Nf3 0–0 11.d3 Re8 12.Nbd2 Qc7 13.h3 Bb7 14.c4 e5 15.cd5 Nd5 16.e4 Nf4 17.Nc4 h6 18.Rb1 Re6 19.Nh4 Ne2 20.Qe2 Nf8? 21.Nf5+– Ng6 22.Bc1 Be7 23.Be3 Bc8 24.Qd2 Rf6 25.Ne7 Ne7 26.Qc3 Ng6 27.Qa5 Rc6 28.Rb6 Rb6 29.Qb6 Qb6 30.Nb6 Rb8 31.Bc5 Nf4 32.Rd1 Be6 33.Nc4 Rc8 34.Bd6 Bc4 35.dc4 Rc4 36.Be5 Re4 37.Bd6 Rd4 38.Rd4 Ne2 39.Kf1 Nd4 40.g3 f5 41.h4 Kf7 42.Ke1 Ke6 43.Bc5 Kd5 44.Bf8 g5 45.Bh6 gh4= 46.gh4 Nf3 47.Ke2 Nh4 48.Ke3 Ng2 49.Kf3 Ne1 50.Ke3 Nc2 51.Kf4 Ke6 52.Bf8 Nd4 53.Ke3 Kd5 54.Kd3 Nc6 55.Bg7 a5 56.Bf8 Ne5 57.Ke3 Kc4 58.Kf4?? Nd3?? 59.Kf5= Nf2 60.Kf4 Nd3 61.Ke3 a4 62.Kd2 Nf4 63.Kc2 ½–½. Olsen,Birger – Berntsen,Frode, NNM Tromsoe, 1999.

4.Nf3 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

4.Nf3= Nc6 5.Bb5 Bd7 6.Bc6 (6.a3 a5+=) 6...Bc6 7.0–0 f6 (7...Qd6 8.a3=) 8.a3 (8.Nd4 Qd7 9.Qh5 g6=) 8...Bd6 9.d4 Bb5 10.Re1 c5 11.Nh4 Ne7 12.Nd2 Qc7 13.f4 c4 14.c3 a5 15.Qg4 0–0–0 16.Qg7 f5 17.Nhf3 Rdg8 18.Qf7 Bd7 19.Ng5 Rg6 20.h4?? Be8–+ 21.Ne6 Bf7 22.Nc7 Kc7 23.Nf3 h6 24.ba5 ba5 25.a4 Rhg8 26.Re2 Rg3 27.Kh2 Bh5 28.Rf2 Rg2 29.Rg2 Bf3 30.Rg8 Ng8 31.Ba3 Nf6 32.Bd6 Kd6 33.Rb1 Ne4 34.Rb6 Kc7 35.Rh6 Nc3 36.Rh7 Kb6 37.h5 Na4–+ 38.h6 c3 39.Rh8 c2 40.Rc8 1–0. Roell,Uwe – Pruess,Renate, Dortmund–ch, 1994.

4.Nf3 Nd7 5.Be2 h6 6.0–0 Bb7 7.d4 a6 8.Nbd2 b5 9.a4 c6 10.a5 g5 11.h3 Bg7 12.Ne5 Ne5= 13.de5 Qc7 14.Nf3+= Ne7 15.Re1 Ng6 16.Bd3 Ne5=+ 17.e4?? Nf3–+ 18.Qf3 Bb2 19.Rab1 Bg7 (20.ed5 cd5–+; 19...Bc3 20.Red1–+) 0–1. gtate (2015) – beammeupscotty (2100), net–chess.com, 2005.

4.Nf3 h6 5.c4 Bb7 6.Nc3 dc4 7.Bc4 a6 8.a3 b5 9.Bb3 Nd7 10.d4 c6 11.0–0 g5 12.Ne2 Bg7 13.Ng3 Ngf6 14.Rc1 Rc8 15.Qd3 0–0 16.Bc2 c5 17.bc5 Bf3+/– 18.gf3 Rc6 19.Nh5 Re8 20.Ng7 Kg7 21.Kh1 Nf8 22.Rg1 Ng6 23.f4 Nh5?? 24.d5 (24...Kh7 25.dc6 Qd3 26.Bd3 gf4 27.Rcd1+–) 1–0. katchum (2280) – beammeupscotty (2210), net–chess.com, 2004.

5.a3 Bd6 =.

5.b5 =.

5.Nf3?? Ng4 6.Be2 –+.

5.Nf3?? h6 6.Be2?? c5 7.a3?? c4 8.0–0?? b5 9.Nc3?? a6 10.Ne5?? h5 11.Qg5 Be7 12.Qg7+/– Rf8 13.Nf3 Rg8–+ 14.Qh6 Rg6 15.Qh8 Bf8 16.Ne5?? Rg8= 17.Qg8? Ng8–+ 18.Bh5 Nh6 19.f4 Bd7 20.g4 Nc6 21.g5 Ne5 22.gh6 Qh4 23.fe5 Qh5 (24.Kh1 Qe5–+) 0–1. Kingog – FieldMarshall, Caissa.com, 2004.

5.Qf4 Bd6 6.Be5 Be5 7.Qe5 a5 =+.

4.a3 cb4 5.ab4 Bb4?? 6.Bg7+– (6...Nf6 7.Bh8+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.bc5 Qa5 5.Nf3 Nd7 6.Be2 Nc5 7.0–0 Ne7 8.c4 Qb6 9.Qc2 Bd7 10.Nc3 Bc6 11.a4 dc4 12.Bc4 Bf3 13.gf3 Nc6 14.Bb5 a6 15.a5 Qc7 16.Bc6 Qc6 17.Ne4 Qd5 18.Rac1 Ne4 19.Qa4 Kd8 20.fe4 Qg5 (20...Qd2 21.Rfd1 Qd6 22.Be5+–) 21.Kh1 Bd6?? 22.Qd4+– Ke7 23.e5 Bb8 24.Ba3 (24...Bd6 25.Qd6 Ke8 26.Rc7 Qd8 27.Re7 Kf8 28.Rd7 Ke8 29.Rd8 Rd8 30.Qe7#) 1–0. Adam,Hanna – Bodenstein,Britta, Bayern chw GER, 2000.

4.bc5 Bc5 5.Bg7 Be7 6.Bh8 Bf6 7.Bf6 Qf6 8.c3 Nc6 9.Bb5 Bd7 10.Qf3 Qg7 11.Ne2 0–0–0 12.Bc6 Bc6 13.Nd4 Ba4 14.0–0 e5 15.Nf5 Qg6 16.Na3 Kb8 17.Rab1 e4 18.Qf4 Ka8 19.Qc7 Rb8 20.Ne7 Ne7 21.Qe7 f5 22.Rb4 Bc6 23.Nb5 a6 24.Nc7 Ka7 25.Rfb1 Qg4 26.Qc5 b6 27.Rb6 Bb5 28.R6b5 Rb6 29.Qb6# 1–0. revbodio (1945) – villehartti (1790), Caissa's Web, 2006.

4.b5 Bd7 5.Be2 Nf6 6.a4 Be7 7.Nf3 0–0 8.0–0 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 dc4 12.Bc4 (12...Nd5 13.Be5=). pcmvr (2225) – alexp (2315), net–chess.com, 2006.

5.c3 Nf6= 6.d3 Nbd7 7.Nf3 Bd6 8.Nbd2 0–0 9.Be2 b6 10.Qb3 Qe7 11.b5 Kh8 12.c4= Bb7 13.a4 f4 14.Nf1 e5 15.N3d2 Qe6 16.f3 e4 17.de4=+ de4 18.0–0–0 Rad8 19.Kb1 h6 20.ef4 Bf4 21.g3 Be5 22.Rg1 Bb2 23.Kb2–/+ Ne5 24.fe4 Be4 25.Ne4 Rd1 26.Qd1 Ne4 27.Ne3 Rf2 28.Kb3 Rh2 29.Qd8 Kh7 30.Bd3 Nd3 31.Qd3 Rd2 32.Qb1 Qe5 33.Nd5 g6?? 34.Re1=+ Qd4 35.Re4= Rd3 36.Kc2 Rd2 37.Kb3 ½–½. Strebel – Thoene, Wallertheim, 1993.

5.bc5!? Nf6 6.d4 +=.

5.Bc3 =+.

5.bc5 Bc5 6.Bb5 Bd7 7.Be2 =+.

5.d4 Nc6 6.Bb5 Be7 7.a3 a6 8.Bc6 bc6 9.Nf3 Ne4 10.Ne5 Bd7 11.Nd2 Bf6 12.Ndf3 (12.Nd7 Qd7 13.Ne4 de4+/–) 12...0–0 13.Nd2 Be5 14.Ne4 Bc7 15.Nd2 Qh4 16.g3 Qe7 17.0–0 e5 18.Re1 e4 19.Rb1 Bh3 20.Bc3 Rab8 21.Qe2 Qg5 22.Qa6 h5? 23.Qc6+– Rb1 24.Rb1 Bb8 25.a4 h4 26.Ne4 de4 27.a5?? hg3 28.hg3 Bg3 29.Qe4 Bc7 30.Kh1 Bf5 31.Qc6?? Qh4–+ 32.Kg1 Qh2 33.Kf1 Bh3 34.Ke2 Bg3?? 35.Be1?? Bg4–+ 36.Kd2 Bf2 37.Kc3 Be3 38.Kb2?? Bd4 39.Kb3 Rb8 40.Kc4 Qc2 41.Kd4 Qb1 42.Bg3 Qg1 43.Kc4 Be6 44.Kc3 Qg3 45.Kd2 Rb2 46.Kc1 Qc3 47.Kd1 Bb3# 0–1. willi_weizenkeim – schachsky, HCL–B2214 playchess.de, 2003.

5.d4 Nc6 6.Be2 Bd7 7.Nf3 b6 8.cb6 Qb6 9.Qc1 Rb8 10.Bc3 Bd6 11.0–0 0–0 12.a4 Ne4 13.Be1 Qb2 14.Qb2 Rb2 15.Bd3 f5 16.c4 Rfb8 17.c5 Bc7 18.Bc3 Nc3 (Better is 18...Rb1!? 19.Rfb1 Nc3 20.Rb8 Nb8=+) 19.Nc3+/– Ba5 20.Nb5 Nb4 21.Rfd1 Nd3 22.Rd3 Bb5 23.ab5 R8b5 24.h3 Rc2 25.Rda3 Bc3 26.R1a2 Rb1 27.Kh2 Rbb2? 28.Rb2+– Bb2 29.Ra7 Rf2 30.Kg3 Re2 31.c6 Rc2 32.c7 (32...Ba3 33.Ra8 (< 33.Ra3 Rc7 34.Ng5 Rc8+–) 33...Kf7 34.c8Q (< 34.Ra3 Rc7 35.Ng5 Kf6 36.Nh7 Kg6 37.Nf8 Kf7+–) 34...Bd6 35.Ne5 Be5 36.de5 Rc8 37.Rc8+–) 1–0. Grits – passionfar19, Live Game Caissa's Web, 2004.

4.a3 d4 5.b5+/– Nb8 6.Bd4 Nf6 7.Nf3 Bd6 8.Bc4 0–0 9.0–0 e5? 10.Ne5+– Be5 11.Be5 Ne4 12.Qf3 Nf6 13.Bf6 Qf6 14.Qf6 gf6 15.Nc3 Be6 16.Bd5 Bd5 17.Nd5 c6 18.Nc7 cb5 19.Na8 Nc6 20.Nc7 Ne5 21.d4 Ng4 22.Nb5 Rc8 23.h3 Nh6 24.Rfc1 Kg7 25.c4 Nf5 26.Na7 h5 27.Nc8 +–. b4_player – opponent, gamecolony.com, 2007.

4.a3 f6 5.d4 e5 6.b5 Na5 7.de5 fe5 8.Qh5 g6 9.Qe5 1–0. marus – busybee18, internet, 2001.

4.a3 Nf6 5.Nf3 b6 (5...Bd6 6.Be2=) 6.Nc3 (6.b5 Nb8=) 6...Bb7 (6...a6 7.Be2=) 7.Be2 Bd6 8.0–0 Qe7 (8...0–0 9.Nb5=) 9.Nb5+= 0–0–0 (9...a6 10.Nd6 cd6 11.a4+=) 10.Nd6–/+ Rd6 (10...Qd6 11.Bc3–/+) 11.b5 Na5 12.Bc3 Nc4 (12...c5!?–/+) 13.d3 Na5 14.Bb4 c5 15.bc6 Nc6 16.Bd6 Qd6 17.d4 Re8 18.Bd3 Ne4 19.c4 dc4 20.Be4 f5 21.Bc6 Qc6 22.Rc1 b5 23.a4 a6 24.ab5 ab5 25.Qd2 g5 26.Rfd1 g4 27.Nh4 Rd8 28.Qc2 Qd5 29.Ra1 Kd7 30.Ra7 Ke8 31.Rda1 Kf7 32.R1a5 Kf6 33.Qb2 Kg5 34.Rb5 Qe4 35.Rbb7 Kh4 36.Rh7 Kg5 37.Rag7 Kf6 38.d5 e5 39.Qb6 1–0. b4_player (1865) – serbkiller (1835), GameColony.com, 2002.

4.b5 Nb4 5.a3 Nc2 6.Qc2 Nf6 7.Nf3 Bd6 8.Be2 0–0 9.0–0 c6 10.a4 cb5 11.ab5 Bd7 12.Nc3 e5 13.h3 e4 14.Nd4 Qc7 15.Rfc1 Bh2 16.Kh1 Ng4 17.Bg4 Bg4 18.hg4 Be5 19.Nd5 Qd6 20.Qc7 Qh6 21.Kg1 Qh2 22.Kf1 Rae8 23.Qb7 Qh1 24.Ke2 Qg2 25.Rg1 Qh3 26.Qa7 Bd4 27.Bd4 Qh6 28.Ne7 Kh8 29.Rac1 Qf6 30.Nf5 Qg6 31.Bg7 Kg8 32.Qa1 Re5 33.Nh6 1–0. burschi – Nautiluschess, ICS, 1999.

4.b5 Ne5 5.Be5 Qg5 6.Bc7 Nf6 7.Nf3 Qg6 8.Ne5 Qf5 9.Nc3 Bb4 10.g4 Qg5 11.h4 Qh6 12.g5 Qh5 13.Be2 Qe2 14.Qe2 Bc3 15.gf6 Ba1 16.Qg4 gf6 17.Qg7 Rf8 18.Bd6 Be5 19.Qf8 Kd7 20.Qe7# 1–0. pcmvr (2530) – autocage, net–chess.com, 2006.

4.b5 Nce7 5.Nf3 c6 6.Be2 cb5 7.Bb5 Nc6 8.0–0 a6 9.Be2 h6 10.d3 Nf6 11.Nbd2 Bd6 12.c4 0–0 13.Rc1 Bb4 14.a3 Bd2 15.Qd2 dc4 16.Rc4 Ne7 17.Rfc1 Nfd5 18.e4 b5 19.Rd4 Bb7 20.ed5 Nd5 21.Rg4 Qf6 (21...f6 22.Qh6 Qd7+–) 1–0. marekt – msoscar_5, Yahoo, 2005.

4.Bb5 Bd7 5.a3 a6 6.Be2 Nf6 7.Nf3 Be7 8.0–0 0–0 9.Ne5 Ne5 10.Be5 Bc6 11.Qc1 Bd6 12.Qb2 Be7 13.Qd4 Qd7 14.Nc3 Rfd8 15.Rae1 a5 16.b5 b6 17.bc6 Qc6 18.Bb5 Qb7 19.Bd3 Bc5 20.Qf4 Nd7 21.Bc7 Re8 22.a4 Rac8 23.Bd6 Qc6 24.Bc5 Nc5 25.Bb5 e5 26.Bc6 ef4 27.Be8 Re8 28.Nd5 fe3 29.fe3 Na4 30.d3 Nc5 31.e4 a4 32.Rb1 a3 33.Rb6 Ra8 34.Rfb1 g6 35.Rb8 Rb8 36.Rb8 Kg7 37.Rb1 (37...Ne6 38.Ra1+–) 1–0. Dopey (1960) – vlad (1820), ICS rated blitz match, 1998.

4.Nf3?! Nb4 5.Nc3 Nf6 6.a3 Nc6 7.d4 Ne4 8.Ne4 de4 9.Nd2 e5 10.de5 Ne5 11.Be5 Bd6 12.Bd6 cd6 13.Ne4 d5 14.Nc3 d4 15.Bb5! Bd7 16.Qd4 a6 17.Qg7 Ke7 18.Qe5 Be6 19.Rd1 Qa5 20.Rd7 Ke8 21.Qh8# 1–0. vik – dank, Internet, 2001.

5.d4 b6 6.Nf3 c5 7.Ne5 c4 8.Qf3 Nf6 9.Be2 Bd6 10.0–0 0–0 11.Nd2 Bd7 12.a4 Be5? 13.de5+– Ne8 14.Ba3 Nd6? 15.Bd6 Re8 16.e4 Qg5 17.Rfd1 Nb7 18.ed5 ed5 19.Qd5 Nd6 20.Qd6 Bh3 21.Bf3 Rad8 22.Qc6 Re5 23.Ne4 Qh4 24.gh3 h6 25.Rd8 Qd8 26.Qc4 Qf6 27.Nf6 gf6 28.Kh1 Rc5 29.Qg4 Kf8 30.c4 (30...h5 31.Qd7+–; better is 30.Qd7 Kg7+–) 1–0. tschulz – PublicEnemy, MySchachOpen, 2005.

5.d4 Nf6 6.Nf3 =.

5.Nf3 Bd7 6.Ne5 Nc4 7.Bc4 dc4 8.Qf3 Qf6 9.Qb7 Rd8 10.Qc7 Bb5 11.Nc6 Bc6 12.Qc6 1–0. Machete99 – guest1659, ICC, 2002.

5.Nf3 Qd7 6.c4 a6 7.cd5 Qd5 8.a4 c6 (8...Nf6 9.Nc3 Qd8 10.d4=) 9.Be2 Qb3?? (Better is 9...Nf6+=) 10.Qb3+– (10...Nf6 11.bc6 Nc6 12.d3+–) 1–0. eds – georgizk, Live Game Caissa's Web, 2004.

5.Nf3 Nd7 6.c4 Ngf6 7.Be2 Bd6 8.Nc3 0–0 9.d4 b6 10.cd5 ed5 11.Bd3 Re8 12.0–0 Re7 13.g3 h6 14.Qb3 Bb7 15.Rad1 a6 16.ba6 Ba6 17.Ba6 Ra6 18.Nd5 Nd5 19.Qd5+– Nf6 20.Qc4 Qa8 21.d5 Nd5 22.Rd5 Ra2 23.Bc3 Ra4 24.Qd3 Ra3 25.Rc1 Qc6 26.Qd4 f6 27.Bb2 Qc1 28.Bc1 Ra8 29.Rd6 cd6 30.Qd5 Kh7 31.Qa8 1–0. mtrold1 – Daffodil, internet, 2001.

4.a4 a6 5.c4 (5.Nf3 Nf6 (5...Bb4? 6.Bg7 Nf6 7.Bh8+–) 6.Bc3 Ne4=+) 5...Nf6 (5...Bb4 6.Bg7 Bd2 7.Nd2+–) 6.b5 (6.c5 a5=+) 6...Be7 (6...dc4 7.Bc4 Ne4 8.Na3=+) 7.Nc3 0–0 8.Be2 (8.Nf3 Bd6=+) 8...c6 (8...dc4 9.Bc4 ab5 10.ab5 Ra1 11.Qa1=+) 9.f4 (9.cd5 ed5 10.bc6 Nc6=) 9...h6 (9...dc4 10.Bc4 cb5 11.ab5=+) 10.Nf3 Bd6 11.0–0 Qb6 12.a5 Qd8 13.b6 Be8 14.Qc2 Nbd7 15.cd5 cd5 16.d4 Rc8 17.Qb3 Nb8 18.Rfe1 Bc6 19.Ba3 Ne4 20.Ne4 de4 21.Ne5 Bd5 22.Qb2 Nc6 23.Bd6 Qd6 24.Nc6 Bc6 25.Rac1 Qd5 26.Rc5+/– Qd7 27.Rec1 Bd5 28.Qb4 Rc6 29.Rc6+/– Bc6 30.Qc5 Rc8 31.Bg4 f5+= 32.Bd1 Qe8 33.Qd6 Bd7 34.Rc8 Qc8 35.Qc7 Kh8 36.Kf2 Kh7 37.Ba4! Qc7 38.bc7 Bc8 ½–½. Devis – Goossens, Beveren, 1995.

4.a4 Nf6 5.b5=+ (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd7 5.a4).

4.c4 Bb4 5.Bg7 f6 6.Nf3 Nc6 7.Be2 Qe7 8.Bh8 0–0–0 9.0–0 Nh6 10.Bf6 Qf6 11.d4 dc4 12.Bc4 Rg8 13.Nbd2 Qg6 14.Nh4 Qg5 15.Ndf3 Qg7 16.Qb3 Nf5 17.Be6 Nh4 18.Nh4 Be6 19.Qe6 Kb8 20.g3 Be7 21.Nf5 Qg5 22.Ne7 Ne7 23.Rfc1 Nf5 24.Rc5 Rf8 25.Rac1 1–0. mtr – floydie, internet, 2001.

4.c4 dc4 5.Bc4 b5 6.Be2 f6 7.Bf3 Bc6 8.Bc6 Nc6 9.Qh5 g6 10.Qb5 Qd6 11.a3 Rb8 12.Qa6 Nge7?? 13.Bf6 Rg8 14.Nc3 Rb6 15.Qc4 Nd5 16.Ne4! Qd7 17.d4 a5 18.b5 Na7 19.Nf3 Qb5 20.Nfd2 Qb2 21.Ra2! Qb5 22.0–0 Rc6 23.Qb5 Nb5 24.Rfa1 Ndc3 25.Nc3 Nc3 26.Rb2 Ne2 27.Kf1 Rc1 28.Rc1 Nc1 29.Rc2 Ba3 30.Nc4 Rf8 31.Na3 Rf6 32.Rc1 1–0. mtr – NirAG29, internet, 2001.

4.Nf3 Nc6 5.b5 Nce7 6.c4 dc4 7.Bc4 c6 8.Ne5 cb5 9.Qh5 g6 10.Qf3 f6 11.Nd7 Qd7 12.Bf6 Nf6 13.Qf6 0–0–0 14.Be6 1–0. mtra – jelemile, internet, 2002.

4.Nf3 f6 5.b5 c6 6.a4 cb5 7.ab5+= Qb6 8.Na3 Nh6 9.c4 Ba3 10.Ba3 dc4 11.Bc4 Nf5 12.Qb3 a6 13.Bb2 Kf7 14.0–0 Rc8 15.Nd4+/– White gets in control 15...Nd4 16.Bd4 Qc7 17.Rfc1+– Qd8 18.Bc3 Qe8 19.Bd3 g6 20.h3 Kg7 21.Be4+– Bb5 22.Bb7 Nc6 23.Ba8 Ra8 24.Qb2 Qf7 25.Ba5 Ra7 26.d4 Rd7 27.Bb6 Rb7 28.Bc5 Rd7 29.Ra3 Rb7 30.Qa2 Rd7 31.Rac3 Rc7 32.Bb6 Rc8 33.Qa3 Qd7 34.Bc5 Kf7 35.Qa2 Rc7 36.Ba3 Rb7 37.Rc5 Kg7 38.Qc2 Rc7 39.Qc3 Rc8 40.Bb2 Qf7 41.e4 e5 42.d5 Nd4 43.Kh2?? Rc5+= 44.Qc5 Nb3 45.Qc3 Nc1 46.Bc1 g5 47.Ba3 h5 48.Qc8 (48.Qe3 g4+/–) ½–½. Liepert,Luise – Hoose,Hannelore, BL (Women) Germany, 1993.

4.f4 Nc6 5.b5 Nce7 6.Nf3 f6 7.Be2 a6 8.a4 c6 9.Na3 Nf5 10.0–0 Nd6 11.c4 ab5= 12.ab5 cb5 13.Nb5 dc4?? 14.Ra8+– (14...Bb5 15.Rd8 Kd8 16.Ba3+–) 1–0. Meyer,Claus_Dieter – Seedorff,KO, Bargteheide op, 1988.

4.Qg4 Nf6 5.Bf6 Qf6–/+ 6.c3 e5 7.Qd1 d4 8.ed4 ed4 9.Qe2 Be7 10.cd4 Qd4 11.Nc3–/+ Qb4 12.Rb1 Qd6 13.Rb7 Bc6 14.Nb5 Bb5 15.Qb5 Nc6 16.Nf3 0–0=+ 17.Be2? Nd4?? 18.Nd4= Qd4 19.0–0 a6 20.Qh5 Qd2 21.Rc7 Bd6 22.Rd7?? Rad8?? 23.Rd1 Qd1!–/+ 24.Bd1 Rd7 25.Bc2 g6–/+ 26.Qg4 Rc8?? 27.Qd7+/– Rc2 28.g3 Bc5 29.Kg2 Rf2 30.Kh3+= Ra2 31.Qe8?? Kg7?? 32.Qe5+– Kg8 33.Qc5 a5 34.Qc4 Rf2 35.Qc8 Kg7 36.Qc3 Kg8 37.Qa5 Kg7 38.Qc5 f5 39.Qf2 (39...Kf6 40.Qd4 Ke7 41.Qe5 Kf7 42.Qd5 Ke8 43.Qg8 Ke7 44.Kh4+–) 1–0. pinecrest1981 – momo1238, Live Game Caissa's Web, 2005.

5.Bg7 Bd2 6.Nbd2 +–.

5.Bg7 Nf6 6.Bh8 Qe7 7.c3 Ba5 8.Ne5 Nc6 9.Qa4 Bb6 10.Qf4 (10...Ne5 11.Qe5+–; 10.Qh4 Ne4 11.Qh7 Ne5 12.Be5 f6 13.Qg8 Qf8 14.Qf8 Kf8+–) 1–0. pcmvr (1700) – rodolfo, net–chess.com, 2006.

5.a3 b5 6.d4 a5 7.c3 Bd6 8.Bd3 0–0 9.0–0 Nc6 10.Bb5+= e5?? 11.Bc6+– Bc6 12.de5 Be5 13.Ne5 Bb7 14.Nd2 (14...Qe7 15.Ndf3+–; 14.Qd4 Ne4+–) 1–0. Wall,Bill – Dreemer, Internet, 2005.

5.a3 c5 =.

5.a3 Nc6 6.c4 Bd6 7.c5 Be7 8.Bd3 e5 9.Ne5+/– Bg4?? 10.Ng4+– Qd7 11.Ne5 Qe6 12.Nc6 Qc6 13.Nc3 Qe6 14.Nb5 Qc6 15.Qa4 Rd8 16.Nc7 Kd7 17.Bb5 Rc8 18.Bc6 bc6 19.Na6 Ne4 20.d3 h5 21.de4 Rh6 22.ed5 Rg6 23.d6 Bf6 24.Bf6 Rf6 25.Qc2 Re8 26.Qd3 Rfe6 27.Qf5 g6 28.Qf7 R6e7 29.de7 Re7 30.Rd1 Kc8 31.Qe7 h4 32.Rd8# 1–0. 1805DYDIDIDY – Adnan@, mySchach.de, 2005.

5.a3 Bd6 6.Be5 =.

5.a3 Be7 6.c4 (6.Be2 c5=) 6...dc4 (6...a5 7.cd5 ab4 8.de6 Be6 9.Bb5 c6 10.Be2=+) 7.Bc4= b5 8.Bb3 (8.Be2 0–0=) 8...0–0 (8...a5 9.ba5 0–0 10.Nc3=+) 9.0–0 c5 10.bc5= Bc5 11.Nc3 b4 12.ab4 Bb4 13.Ne5 a5 14.Qf3+= Ra7 15.Nd7 Rd7 16.Rfd1 Na6 17.d4+= Nc7 18.Ba4 Rd6 19.Ne2 Qb8 20.Rab1 Rb6 21.Bc2 Ncd5 22.e4 Ne7 23.Qd3 Ng6 24.e5 Nd5= 25.g3 Rd8 26.h4 f5 27.ef6= Nf6 28.Qe3 Kh8 29.Qg5 Rd5 30.Qe3 Rdb5 31.Bd3 Rd5 32.Bg6 hg6 33.Nf4 Qe8? 34.Nd5+– Nd5 35.Qd3 Qf7 36.Kg2 Rb8 37.Rh1 Rf8+/– 38.Qe2 a4 39.h5 g5 40.h6 g6 41.Bc1 Nc3?? 42.Qe5 Kh7 43.Qg7! Qg7 44.hg7 Kg7 45.Rb4 Na2 46.Rb7 Kf6 47.Bb2 Rc8 48.d5 e5 49.Rhh7 a3 50.Rbf7# 1–0. Semenko,Georg(Jurko) – Hahn,Richard, 6sen.BayEM Schney, 1994.

5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Bb4 9.c4 c6 10.Nc3 Bc3 11.Bc3 cb5 12.cb5+= 0–0 13.Be2 Ne4 14.Bb4 Re8 15.0–0 Qb6 16.Qa4 e5 17.d4 Bg4 18.de5 Nd7 19.Qd1 White gets the initiative 19...Bf3 20.gf3 Nf2?? 21.Kf2 Re5 22.Qd4 Qh6 23.h4 g5? 24.Rg1 f6 25.Qg4 (25...Nb6 26.Bd6+–) 1–0. Labahn,Wolfgang – Koss,R, Paderborn GER, 1988.

5.b5 c6 6.c4 dc4 7.bc6 Nc6 8.Bc4 Bd6 9.Nc3 a6 10.d4 b5 11.Be2 b4 12.d5?? Nd5?? 13.Nd5+/– ed5 14.Qd5 f6?? 15.Qd6+– Qe7 16.Qe7 Ne7 17.Bc4 Bb5 18.Bb5 ab5 19.0–0 b3 20.ab3 0–0 21.Ra8 Ra8 22.Ra1 Ra1 23.Ba1 Nc6 24.Nd4 Nd4 25.Bd4 Kf7 26.f3 g6 27.e4 Ke6 28.Kf2 f5 29.Ke3 fe4 30.fe4 (30...g5 31.g4+–) 1–0. Trkn – Andy J, itsyourturn.com, 2000.

5.Bg7 e5 6.Bh8 ef4 7.ef4 Qh4 8.g3 Qe7 9.Ne2 +–.

5.Bg7 Qh4 6.g3 +–.

4.Bb5 Bd7 5.Qh5 g6 =.

4.c4 Bb4?? 5.Bg7 Bd2 6.Nd2 +–.

4.c4 c6 5.Qh5 g6 6.Qd1 Nf6 7.cd5 ed5 8.b5 Bd6 9.bc6 bc6 10.h4 0–0=+ 11.Be2 Qc7 12.Nf3 Ba6 13.Ng5 Be2=+ 14.Qe2 White launches an attack 14...h6 15.Ne6 Qb7 16.Bc3 Re8=+ 17.Nd4 Ne4 18.h5= g5 19.Nf5+/– Nc3 20.Nc3 Re6 21.Rb1 Qf7 22.Nd6 Rd6+/– 23.Qg4 Nd7 24.Rb7 Ne5 25.Rf7+– Ng4 26.Rc7 Ne5 27.Ke2 Rd7 28.Rd7 Nd7 29.f3 Re8 30.Rb1 d4 31.Ne4+– de3 32.de3 Rb8 33.Rb8 Nb8 34.Nc5 Kf7 35.Kd3 Ke7 36.e4 Nd7?! 37.Nd7 Kd7 38.Kd4 Kd6 39.g3 c5 40.Kc4 a6 41.a3 Kc6 42.f4 g4 43.e5 a5 44.a4 Kd7 45.f5 Ke7 46.Kc5 Kf7 47.Kd6 Ke8 48.Ke6 Kf8 49.Kf6 (49...Ke8 50.Kg6+–) 1–0. Labitte,Alain – Levers,Christelle, Bethune–D, 2001.

4.Be2 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

4.Be2 Nf6 5.a3 c6 6.g4 g6?? 7.g5+– (7...Nbd7 8.gf6+–) 1–0. riverborne – WesternWall, Live Game Caissa's Web, 2006.

4.Nf3 Bb4 5.Bg7 1–0. Machete99 – guest338, ICC, 2002.

4.Qh5 g6 5.Qf3 Nf6 =.

5.a3 =.

5.c5 Be7 6.f4 =.

5.Nf3 Bb4!? 6.Qa4 Nc6 =+.

5.Nf3 c6 6.a3 (6.c5 Be7+=) 6...Bd6 7.Nc3 (7.Bf6 Qf6 8.d4 0–0=) 7...0–0 8.Qc2 (8.d4 Nbd7=) 8...Qe7 9.Be2 Bd7 10.h3 a5 11.b5 Ne4 12.g4 Nc3 13.Qc3=+ f4 14.h4 fe3 15.de3 cb5–/+ 16.cb5 Bb5! 17.Ng5 Bd7 18.Qd3–/+ g6 19.Qd4 e5 20.Qd5 Kg7 21.Rd1 Bc7 22.Qb7 Bc6 23.Qc7! Qc7 24.Ne6 Kf7? 25.Nc7 Bh1 26.Be5 Ra7 27.Bc4 Ke7 28.Bd6 Kd7 29.Nb5 Bf3 30.Bf8 Bd1 31.Na7 Bg4 32.Bh6 Kd6 33.Bf4 Kc5 34.Bb8 Kc4 35.Nc6 Kb3 36.Na5 Ka3 37.Nc4 Kb4 38.Ne5 Be6 39.Bd6 Kc3 40.f3 Kc2 41.Kf2 Kd2 42.Bb4 Kc2 43.Ng4 Kb3 44.Bf8 Kc3 45.Nf6 h5 46.Ne4 Kc4 47.Kg3 Kd5 48.Kf4 Bf7 49.Kg5 Ke5 50.Bd6 1–0. Welling,Gerard (2400) – Achleitner,Robert, Velden op, 1994.

7.Bd3 b6 8.Nf3 =.

7.Bd3 Nbd7 8.h3 Qc7 9.Ne2 Ne4 10.Nf4 Ndf6 11.a4 0–0 12.Nd2 b6 13.0–0!? =.

7.Bd3 Nbd7 8.h3 Qc7 9.Ne2 Ne4 10.Nf4 Ndf6 11.a4 0–0 12.Nd2 b6 13.g4 bc5 14.bc5 Rb8 15.Qc2 Qa5 16.Ke2?? Nd2 17.Qd2?? Ne4 18.Qa5+– Rb2 19.Kd1 Rd2 20.Kc1 Bd8 21.Qb4 Rf2 22.Be4 fe4 23.Rd1 Bg5 24.Qc3 Bf4 25.ef4 R8f4 26.Qa5 Rf8 27.Qc7 Ba6 28.Qc6 Bd3 29.Qe6 Kh8 30.Rd2 Rf1= 31.Kb2 Rb8 32.Kc3 –+. reverendrev – fierce, Live Game Caissa's Web, 2004.

7.Bd3 Nbd7 8.h3 Qc7 9.Ne2 Ne4 10.Nf4 Ndf6 11.a4 0–0 12.Nd2 b6 13.g4 bc5 14.bc5 Rb8 15.Qc2 Nd2 16.Kd2 Ne4 (16...fg4?! 17.hg4 Ne4 18.Be4 de4 19.Qe4 Rf4 20.Qh7 Kf7 A) 21.ef4? Qf4 (21...Rb2 22.Kc1 Qf4 23.Kb2 Qd4 24.Kb1 Qb4 25.Kc2 Qc5 26.Kd2 Bg5 27.Ke2 Qe5 28.Kf1 Qa1 29.Kg2 Qa4 30.Qh5 Kf6 31.Rh3–+) 22.Kd1 Rb2 23.Qh5 g6 24.Qh7 Ke8 25.Qg6 Kd8–+; B) 21.Qh5 Kf8 B1) 22.ef4 Rb2 (22...Qf4?! 23.Kd1=) 23.Ke3 Rb3 24.Ke4 Bf6–/+; B2) 22.Qh8 Kf7 B21) 23.ef4 Qf4 (23...Rb2?! 24.Kc1 Rf2 25.Qh5 g6 26.Qe5 Qe5 27.fe5–/+) 24.Kc2 Qe4 25.Kd1 Qf3 26.Ke1 Rb2 27.Qh5 g6 28.Qh7 Ke8 29.Qg8 Kd7 30.Qd8 Kd8 31.Rh8 Kd7 32.Rd8 Kd8 33.d5 Qe2; B22) 23.Qh5 Kf8 B221) 24.ef4? Qf4 (24...Rb2 25.Kc1 Rf2 26.Qe5 Qe5 27.fe5–/+) 25.Ke1 Rb2 26.Qh8 Kf7 27.Qh5 g6–+; B222) 24.Qh8 Kf7 B2221) 25.ef4? Qf4 (25...Rb2?! 26.Kc1 Rf2 27.Qh5 g6 28.Qe5 Qe5 29.fe5–/+) 26.Ke1 Rb2–+; B2222) 25.Qh5=) 17.Kd1 e5 18.de5 Bc5–/+ (18...Nc5?! 19.Bf5 Bf5 20.gf5=; 18...fg4?! 19.hg4 Bg4 20.Kc1–/+) –/+.

7.Bd3 Nbd7 8.Nh3 Ng4 +=.

5.a3 Bd6 6.c4 c6 7.Be2 0–0 8.Nc3 Nbd7 9.0–0 e5 10.Qc2 e4 11.Nd4+= f4? 12.Ne6+– Qe7 13.Nf8 Qf8 14.d3 fe3 15.fe3 Qe8 16.de4 de4 17.c5 Bc7 18.Bc4 Kh8 19.Rad1 Qh5 20.h3+– Ne5? 21.Ne4 Bh3 22.Nf6 gf6 23.gh3 Qh3 24.Qg2 Qe3? 25.Kh1 Qh6= 26.Kg1 Qe3 27.Rf2 Rf8 28.Be5 Be5 29.Kf1 Bd4 30.Rf3 (30...Qe5 31.Qg4+–) 1–0. wlittle (2300) – ozewiezewoze (2130), net–chess.com, 2003.

5.a3 Bd6 6.Be2 0–0 7.0–0 g6 (7...a5 8.b5=) 8.Be5 c6 9.d4 Qe7 10.Bd6 Qd6 11.c4 Nbd7 12.Nbd2 Ne4 13.c5 Qe7 14.Rc1 Qf6 15.b5 g5 16.bc6 bc6 17.Qa4 Bb7 (17...Nd2 18.Nd2 e5 19.Rfe1+=) 18.Nb3 g4 19.Nfd2 h5? 20.Ne4+– fe4 21.Na5 Rab8 22.Nb7 Rb7 23.Qc6 Rfb8?? 24.Ba6 Nc5 25.dc5 Rb2 26.Bc8 Kf7 27.Qc7 Qe7 28.Qe5 Rc8 29.Qb2 e5 30.Rfd1 d4 31.ed4 e3 32.fe3 Qg5 33.Qb7 Kg6 34.Qc8 Qe3 35.Kh1 ed4 36.Qg8 Kh6 37.Rf1 Qe7 38.Rce1 Qe1 39.Re1 h4 40.Re6 Kh5 41.Qg6# 1–0. kamret (2195) – tepih, GameColony.com, 2003.

5.a3 Nbd7 6.c4 c6 7.Be2 Bd6 8.d4 0–0 9.0–0 Qe8 10.Nbd2 Qh5 11.Ne5 Qh6 12.f4 Ne4 13.Rf3 Ne5 14.de5 Be7 15.Ne4 fe4 16.Rh3 Qg6 17.Bh5 Qh6 18.Bf7! Rf7 19.Rh6 gh6 20.Qe2 Bd7 21.g4 a6 22.c5 Kf8 23.h3 Bh4 24.Kh2 Ke7 25.Rg1 Rg8 26.Bc3 Kd8 27.Be1 Be7 28.Bc3 Kc7 29.Rf1 Kd8 30.Rd1 Rff8 31.Be1 Be8 32.Qg2 Kc8 33.Bg3 h5+= 34.g5 h6 35.Bh4 Rf5 36.Rg1 hg5 37.fg5 Rf3 38.Qe2= Bg6 39.Kg2?? Bf5–+ 40.Qf3 ef3 41.Kf3 Bh3 42.Kg3 Bg4 43.Rf1 Bg5 44.Re1 Bh4 45.Kh4 Rf8 46.Kg5 Rf5 47.Kg6 Re5 48.Kf6 Rf5 49.Ke7 Kc7 50.e4 Re5 51.ed5 Rd5 52.Re3 Bf5 53.Rg3 h4 54.Rg8 Rd7 55.Kf6 Rh7 56.Rg1 h3 (57.Ke5 b6–+) 0–1. Adam,Hanna – Doganguezel,Jan (1680), 5. Eckbauer Open, 2002.

5.b5 c6 6.Bd3 Bd6 7.0–0 Nbd7 8.a4 0–0 9.Nc3 Ne4 10.Ne2 Ndf6 11.Nf4 Bd7 12.c4 Qe7 13.bc6 bc6 14.cd5 ed5 15.Qb3 Rab8 16.Qc2=+ g6 17.Be4? de4 18.Nd4 Be5 19.f3 a6 20.fe4 fe4 21.Qc4?? Kg7?? 22.Ba3 Bd6 23.Nfe6 Be6 24.Ne6 Kh8 25.Nf8 Qf8?? 26.Bd6 Qd6 27.Qc3 Kg7 28.Rad1 Kf7?? 29.d3 (29...Qe6 30.de4+–) 1–0. icewater – 300SPARTANS, Live Game Caissa's Web, 2005.

5.b5 Bd6 6.c4 0–0 7.Nc3 c6 8.a4 Bd7 9.Be2 a6 10.0–0 dc4 11.Bc4 Nd5 12.Nd5 ed5= 13.Be2 ab5 14.ab5 Ra1 15.Qa1 Rf7 16.bc6 Nc6 17.Ne5 Ne5 18.Be5 Be5 19.Qe5 Bc6 20.Rb1 Qc7 21.Qc7 Rc7= 22.d4 Kf7 23.f4 Ke6 24.Rc1 Kd6 25.Kf2 Ba4 26.Rc7 Kc7 27.Ke1 Bc2=+ 28.Kd2 Be4 29.g3 Kb6 30.Kc3 Ka5 31.g4 Ka4 32.Kb2 Kb4 33.gf5 Bf5 34.h4 b5 35.Bf1 (35.h5 Be4=) ½–½. Skaug,Thorbjorn – Morkedal,Oyvind, NM Roros, 2002.

5.b5 Bd6 6.Be2 =.

6.c4 0–0 7.d4 c6 8.a4 Ne4 9.Nbd2 Bb4 10.Rc1 Qa5 11.bc6 bc6 12.Ra1 Nd7 13.cd5 ed5 14.Bd3 Bd2 15.Nd2 Nd2 16.Qd2 Qd2 17.Kd2 Nf6 18.Rab1 Ne4 19.Ke2 Rb8 20.f3 Nf6 21.Ba3 Rb1 22.Rb1 Re8 23.Bd6 Kf7 24.h3 Nh5 25.g4 fg4 26.hg4 Nf6 27.g5 Nd7 28.Rc1 Bb7 29.Bh7 g6 30.Rh1 Kg7 31.Bg6 Kg6 32.f4 c5 33.Bc5 Nc5 34.dc5 d4 35.Rh3 Ba6 36.Kf2 d3 37.Rh6 Kf5 38.Kf3 Bb7 39.c6 d2 40.Rf6# 1–0. Bonetti,Shane – duetrestaurant (1675), ICC, 2002.

6.d4 c6 7.c4 0–0 8.a4 a6 9.Bd3 ab5 10.ab5 Ra1 11.Ba1 Bb4 12.Bc3+= Bc3 13.Nc3 Ne4 14.Be4 fe4 15.Nd2 Nd7 (16.0–0 Qg5=; 15...Qg5 16.0–0=). Lach (2000) – Adamowski (2000), corr 1. AMM Poland, 1991.

6.Be2 0–0 7.0–0 Kh8 8.c4 c6 9.a4 a6 10.Qb3 Ne4 11.d4 Nd7 12.Nbd2 Bf6 13.Qc2 Be7 14.Ne1 Bd6 15.Ndf3 Rf6 16.Nd3 Rh6 17.g3 Rf6 18.c5 Bb8 19.Nb4 Qc7 20.Bd3 a5 21.Na2 Qd8 22.Nc3 Qe7 23.Ne2 e5 24.Ne1 g6 25.Ng2 Ng5= 26.Nc1 Nf3 27.Kh1 Kg8 28.Be2 Ng5 29.Nd3 e4 30.Ndf4 Nf7 31.h4 ½–½. Lorenc,Tomas – Lastovicka,Jiri (2220), Tatry op Tatranska Lomnica, 1999.

6.Be2 0–0 7.Ne5 Nbd7 8.0–0 Ne5 9.Be5 c6 (9...Nd7 10.Bb2=) 10.d4 cb5 11.Bb5 Bd7 12.Be2 Ne4 13.Nd2 (13.f3 Nd6=) 13...Bd6 (13...Nc3 14.Qe1=+) 14.c4 Be5= 15.de5 Qc7 16.cd5+= ed5 17.f3?? Nd2 18.Qd2–/+ Qe5 19.f4 Qe6 20.Bf3 Bc6 21.Rfd1 Rad8 22.Qa5? a6 23.Re1 Rfe8 24.Rad1 Qd6 25.Qc3 g6 26.Qb3 Qc5 27.h3 Re7 28.Kh2 Kg7 29.Rd4 Rde8 30.Rd3 Bb5 31.Rdd1?? Re3–/+ 32.Re3 Qe3 33.Qd5 Qf4–+ 34.Kg1 Bc6 35.Qd4 Qd4 36.Rd4 Bf3 37.gf3 Re7 38.a4 Kf6 39.Kf2 Kg5 40.h4 Kf6 41.f4 Rc7 42.Ke3 Ke6 43.Kd3? Rc1 44.Rc4?? Kd6 45.Rc1+– 1–0. var – Jackmg, Live Game Caissa's Web, 2004.

6.Be2 a6 7.a4 =.

6.Be2 Ne4 7.d3+= Bf6 8.c3 Nd6= 9.a4 a6 10.Qb3 ab5 11.ab5 Ra1 12.Ba1 Bd7 13.d4 0–0 14.0–0 Qe8 15.Na3 Bc8 16.Nd2 Kh8 17.c4+= dc4 18.Ndc4 Nd7 19.Nd6 cd6 20.Bb2 e5 21.Qd5 Be7 22.de5+/– de5 23.Ra1 f4 24.ef4 ef4 25.Bf1 Bf6 (25...f3 26.Re1 fg2 27.Bd3+=) ½–½. Bittner – Haeusler, VM, 1988.

6.Ne5 Nbd7 7.a4 0–0 8.c4 Bd6 9.Nf3 Re8 10.Be2 c6 11.0–0 c5 12.Nc3 Ne4 13.cd5 Nc3 14.Bc3 e5 15.d3 Nf6 16.d4 e4 17.Nd2 Nd5 18.Bb2 cd4 19.Bd4 Be5 20.Nb3 Nc3 21.Bc4 Kh8 22.Qc2 Bd4 23.Nd4 Nd5 24.Qb3 Nb6 25.Be2 f4 26.Rad1 Qg5 27.ef4 Qf4 28.a5 Nd7 29.g3 Qe5 30.Bc4 Nc5 31.Qe3 Bh3 32.Rfe1 Bg4 33.Rd2 Qh5 34.Bf1 Rad8 35.Ne2 Rd2 36.Qd2 Nd3 37.Rd1 Qh6 38.Qh6 gh6 39.Rd2 Ne5 40.Nc3 Nf3 0–1. Schelze – Meybohm, Simultanpartie 1986.

6.h3 0–0 7.c4 c6 8.Qc2 a6 9.cd5 ed5 10.ba6 Na6=+ 11.Be2 Kh8 12.0–0 Be6 13.Nd4 White is in command 13...Qd7 14.Nc3 Ne4 15.a3 Bf6 16.Na4 Rae8 17.Ba6 Bd4 18.Bd4+/– ba6 19.d3 Nf6 20.Nc5 Qc8 21.Qa4 f4 22.ef4 Bh3 23.f3 Bg2 24.Kg2+/– Nh5 25.Be5+– Qf5 (26.Qc6 Rc8+–). Dobosz (2000) – Adamowski (2000), corr 1. AMM Poland, 1991.

7.d4 a6 8.bc6 Nc6 9.Nbd2 0–0 10.Be2 Bd7 11.Rc1 Rc8 12.0–0 Ne4 13.Ne4 de4 14.Nd2+= Bd6 15.f4 Nb4 16.Qb3 a5 17.Ba1 a4 18.Qb2 a3 19.Qb1 Bc6 20.Rc3 Qa5 21.Rb3 Ba4? 22.Bc3+– Bb3 23.Qb3 b5? 24.c5 Qa4 25.Qb4 Qb4 26.Bb4 Ra8 27.cd6 (27...Rfb8 28.Rb1+–) 1–0. Cetwinski,Olgierd (2210) – Adamowski,Andrzej (1855), corr Poland–ch42/43 sf3, 1998.

8.d4 Ne4 9.Ba3 Qa5 10.Nbd2 Nd2 11.Nd2 Ba3 12.Ra3 Nd7 13.Bd3 Nf6 14.0–0+= Bd7 15.bc6 bc6 16.c5 Rfb8 17.Qc2 Ne4 18.Nb3 Qc7 19.f3 Nf6 20.Rb1 g6 21.Nd2 Rb1+= 22.Nb1 Rb8 23.Nc3 e5 24.Nb5?? cb5–+ 25.de5 Qe5 26.Bb5 Bb5 27.ab5 Rb5 28.Ra7 Qe3 29.Kf1 Rc5 30.Ra8 Kg7 31.Ra7 Kh6 (32.Re7 Qe7 33.Qd2 Kg7–+) 0–1. Frysiak (1800) – Adamowski (2000), corr 1. AMM Poland, 1991.

8.cd5 ed5 9.Be2 a6 10.0–0 Kh8 11.Na3 Be6 12.Nd4 Qc8 13.Rc1 ab5 14.Nab5 Na6 15.Ne6 Qe6 16.Nd4 Qd7 17.Ra1 Ne4 18.g3 Bf6 19.Rb1 Nac5=+ 20.f3 Ng5 21.Ba3= Be7 22.Qc2 Na4 23.Be7 Qe7 24.h4 Qd6 25.Kg2= Ne6 26.Nf5 Qe5=+ 27.g4 ½–½. Mostowik (2000) – Adamowski (2000), corr 1. AMM Poland, 1991.

8.cd5 Nd5 9.Nc3 =.

4.a3 e5 5.Bd3 Nc6 6.Qh5+/– g6 7.Bg6! Ke7 8.Bh7 Bg7 9.b5 (9...Nb8 10.e4+–) 1–0. Wall,Bill – Guest8470, Microsoft Gaming Zone, 2004.

4.a3 Ne7 5.Nh3 Ng6 6.Bd3 Ne5 7.Be5+/– fe5 8.Qh5 Kd7 9.e4 d4 10.0–0 h6 11.Qe5 Qf6 12.Qg3 Bd6 13.f4 e5 14.f5 g5? 15.fg6+– Kc6 16.Rf6 Rg8 17.Qe5 Kb6 18.Qc5# 1–0. b4_player – marutius, gamecolony.com, 2006.

4.b5 a6 5.a4 c6 6.c4 Bd6 7.Nf3 (7.d4 ab5 8.c5 Be7 9.ab5 Ra1 10.Ba1 b6=) 7...Nh6 8.Be2 0–0 9.Nd4 (9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Nd7=) 9...f5 (9...ab5 10.ab5 Ra1 11.Ba1=+) 10.Nc3 Nf7 11.Bh5 g6 12.Be2= e5 13.Nf3 e4 14.Nd4 Be5 15.cd5 cd5 16.Qb3 Bd4 17.ed4 Be6 18.ba6 ba6 19.a5 Nc6 20.Ba3? Re8 21.Na4? Nd4–+ 22.Bd1?? Nb3 23.Bb3 Qa5 24.0–0 d4 25.Bb2 Qb4 26.Be6 Re6 27.h3 Qd2 28.Bd4 Qd4 29.Rfd1 Qb4 30.Rdb1 Qd2 31.Nc5 Rc6 32.Rd1 –+. Scirocco – pacificink, Live Game Caissa's Web, 2004.

4.b5 c6 5.a4 Bd7 6.Nf3 Bd6 7.c4 Nh6 8.Be2 0–0 9.Qc2 e5 10.d3 Be6 11.Nbd2 Nd7 12.0–0 Rc8 13.Rfc1 Bg4 14.Qd1 Qe7 15.h3 Bf3 16.Bf3+/– Nc5 17.bc6 bc6+= 18.Qc2 Nd3? 19.Qd3+– e4 20.Ne4! de4 21.Be4 Rcd8 22.Bh7 Kh8 23.Qc2?? f5=+ 24.Bg6 Qg5. algernon (2155) – patzerx (2525), net–chess.com, 2003.

4.b5 Bd6 5.Nf3 Ne7 6.d4 c5 7.c4 b6 8.Nbd2 Bb7 9.Be2 Nd7 10.0–0 0–0 11.a4 a5 12.Qb3 Qc7 13.Rac1 Rac8 14.h3 Qb8 15.cd5 ed5 16.dc5 Nc5 17.Qa2 Kh8 18.Nd4 Be5 19.N2f3 Ng6 20.Nf5 (20.Rfd1 Qd6+=) 20...Ne4 (Better is 20...Bb2!? 21.Qb2 Na4 22.Rc8 Bc8=) 21.Rc8 Rc8 22.Be5 fe5=+ 23.Qb2 Nc3 24.Bd3? e4–+ 25.Rc1 ed3?? 26.Rc3+/– d4 27.Rc8 Qc8+/– 28.N3d4 Ne5 29.Nd6 Qc7? 30.Nb7 Qb7+/– 31.Ne6 Qd5= 32.Nd4 Nc4 33.Qc3 d2 34.Qd3 h6 35.Kf1?? Qc5 0–1. revbodio1 – Laksman4, Live Game Caissa's Web, 2004.

5.b5 a6 6.a4 Qd6 7.d4 e5 8.Ba3 b6 9.c4 dc4 10.Bc4 Be6 11.Be6 Qe6 12.Qf3 ab5?? 13.Qa8 ed4 14.Qb8 Kf7 15.Qc7 Be7 16.Kd2 de3 17.fe3 Qd5 18.Ke1 Qg2 19.Nd2 b4 20.Bb2 Qh1 21.Ndf3! Nh6 22.Qf4 g5?? 23.Ng5 Kg6 24.N5f3 Nf5 25.e4 Nd4 26.Nd4 Qg1 27.Kd2 Qg2 28.Ne2 Rd8 29.Ke3 Kf7 30.Rg1 Qh3 31.Kf2 Qb3 32.Bf6! Bf6 33.e5 Qe6 34.ef6 Qf6 35.Qf6 Kf6 36.Rb1 Ra8 37.Ra1 Ke6 38.Nf4 Ke5 39.Nd3 Kd4 40.Nf4 Kc3 41.Nd5 Kb3 42.Nb6 Ra6 43.a5! c4 44.Ke2 c3 45.Kd1 c2 46.Kc1 Kc3 47.Nd5 Kb3 48.Ne3 Kc3 49.Nc2 b3 50.Ra3! Rd6 51.a6! Rd2 52.a7 Rc2 53.Kd1 Rd2 54.Ke1 Kc2 55.Rb3! Rd1 56.Kf2 Rd2 57.Kg3 Kb3 58.a8Q Rd3 59.Kf4 Kc3 60.h4 Rd4 61.Kg5 h6 62.Kh5 Kc4 63.Qa4 Kd5 64.Qd4! Kd4 65.Kh6 Ke5 66.Kg7 Kf5 67.h5 Kg5 68.h6 1–0. marus – tamtam, internet, 2001.

5.bc5 Bc5 6.Bb5 Nc6 7.Nf3 (7.c4 a6 8.cd5 Qb6 9.dc6 Qb5=) 7...a6 8.Ba4 b5 9.Bb3 Na5 10.Ba2 Ne7 11.0–0 0–0 12.d4 Bd6 13.Nc3 Nc4 14.Bc4 bc4 15.Na4 (15.e4!?=+) 15...Qa5–/+ (16.Nc3 Rb8–/+) 0–1. b4_player – jasezajebavam (1760), GameColony.com, 2002.

5.Bd3 cb4 6.Qh5+/– Ke7 7.ab4 Qe8 8.Qh4 g5 9.Qg3+– e5 10.Be5! fe5? 11.Qe5 Kf7 12.Qh8 Bg7 13.Qh7 Nf6 14.Bg6 Kf8 15.Qg7 Kg7 16.Be8 Ne8 17.Ne2 b5 18.Nbc3 Na6 19.Nd5 Bb7 20.h4 Bd5 21.Ra6 Bg2 22.Rg1 Bf3 23.Rg5 Kf7 24.Rf5 Ke7 25.Rf3 Nc7 26.Rc6 Nd5 27.Nd4 Nb4 28.Re6 Kd7 29.Rf7 Kc8 30.Re8 1–0. Trkn – guest4617, ICC, 2004.

5.Bd3 g6!? =.

5.c4 c5 6.cd5 ed5 7.Qh5 g6 8.Qd5 Ne7 9.Qc4 Ng8 10.bc5 Be7 11.Nf3 Nc6 12.Be2 Bd7 13.0–0 Na5 14.Qc2 b6 15.cb6 Qb6 16.Nc3 Rc8 17.Rab1 Qd6 18.d4 Bc6 19.Qd1 Bf3 20.Bf3 a6 21.Qa4 Nc6 22.d5 Bd8 23.dc6 Bc7 24.Qe4 Ne7 25.g3 Kf7 26.Qc4 Kg7 27.Na4 Bd8 28.Rfd1 Qc7 29.Rd7 Qa5 30.Qe6 Qf5 31.Re7 Be7 32.Qe7 Kh6 33.Be4 Rce8 34.Qe8! Re8 35.Bf5 gf5 36.Bf6 Re6 37.c7 (37...Rc6 38.Be5+–) 1–0. Diederich,Hauke – Jittler,Jonas, Schleswig Holstein–chA U16, 2000.

5.Nf3 Ne7 6.c4 c6 7.c5 Bc7 8.Bd3 0–0 9.0–0 a6 10.Bc2 Nd7 11.d4 Re8 12.Nc3 Nf8 13.e4 de4 14.Ne4 f5 15.Ned2 Bd7 16.Ne5 Be5 17.de5 Nd5 18.f4 Ne3 19.Qe2 Nf1 20.Rf1 Ng6 21.Bd4 Qh4 22.Be3 Qe7 23.Rf3 Nh4 24.Rh3 Ng6 25.Qh5 Nf8 26.g4 h6 27.g5 Qf7 28.Qh4 Qg6 29.Bd1 Re7 30.Bh5 Qh7 31.Nf3 Be8 32.Be8 Rae8 33.gh6 g6 34.Ng5 Qh8 35.Nf3 Rh7 36.Qg5 Kf7 37.Nd2 Re7 38.Nc4 Kg8 39.Nd6 Nd7 40.Kf1 Kf8 41.Nb7 Ne5 42.Bd4 Nf7 43.Bh8 Ng5 44.fg5 Rb7 45.Rd3 Ke8 46.Bg7 Rc7 47.Rd6 Kf7 48.Ke2 Ke7 49.Ke3 Ke8 50.Kf4 Kf7 51.Ke5 Ke8 52.Re6 Re7 53.Re7 Ke7 54.a4 Kd7 55.Kf6 f4 56.Kg6 f3 57.Bd4 Re7 58.Bf2 Ke8 59.h7 Rh7 60.Kh7 1–0. Trkn – rts28, itsyourturn.com, 2000.

5.f4 e5 6.fe5 fe5 7.Be5 Be5 8.Qh5 Kf8 9.Qe5 Nf6 10.Be2 Nbd7 11.Qd4 b6 12.Nf3 c5 13.bc5 bc5 14.Qf4 Qe7 15.0–0 Ke8 16.Bb5 Rf8 17.Ne5 Nh5 18.Bd7 Bd7 19.Qf8 Qf8 20.Rf8 1–0. Trkn – Arnout Mulder, itsyourturn.com, 2000.

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6).

4.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3).

4.a3 a5 5.b5 a4 (–--> 1.b4 a5 2.b5 d5 3.Bb2 a4 4.e3 e6 5.a3 Nf6).

4.a3 c5 5.bc5 Bc5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5).

4.a3 c6 5.Nf3 (–--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3).

4.a3 Be7 5.c4 c6 (–--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.c4 e6 5.a3 Be7).

4.a3 Be7 5.Nf3 0–0 6.Bd3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.Bd3).

4.b5 Bd7 5.Nf3 Be7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 Bd7).

4.Nf3 Bd6 5.b5 b6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6 5.Nf3 Bd6).

5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd6 8.Nf3 c5 9.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3 Bd6 9.c4).

5.a4 c5 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 a6 6.a4).

5.a4 Bd6 6.Nf3 0–0 7.c4 ab5 8.ab5 Ra1 9.Ba1 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Nbd7 8.Nf3 Bd6 9.c4 0–0).

5.c4 Bb7 6.Nf3 Be7 7.Be2 0–0 (–-->1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.c4 0–0 7.Be2 d5).

5.Nf3 Bb7 6.Be2 Be7 (–-->1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 d5).

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 b6).

6.c4 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5).

(–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5).

5.a4 Be7 6.c4 0–0 7.Nf3 Nbd7 8.Be2 b6 9.0–0 Bb7 10.d3 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7 10.d3).

5.c4 Nbd7 6.Nf3 Bd6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7).

5.c4 Nbd7 6.Nf3 Be7 7.Be2 0–0 8.0–0 Qc7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2 Nbd7 8.0–0 Qc7).

5.c4 Be7 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4).

5.c4 Be7 6.Nf3 0–0 7.Be2 Nbd7 8.0–0 b6 9.d3 Bb7 10.Nbd2 (–-->1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 0–0 7.0–0 d5 8.d3 c5 9.Nbd2 Nbd7 10.c4).

5.Nf3= Nbd7 6.c4 b6 7.Be2 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.Be2 Nbd7).

5.Nf3= Be7 6.a4 0–0 7.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.a4 0–0 7.Be2).

5.Nf3= Be7 6.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.c4 c5).

5.Nf3= Be7 6.c4 0–0 7.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2).

5.Nf3 Be7 6.c4 0–0 7.Be2 Nbd7 8.0–0 b6 9.a4 Bb7 10.d4 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7 10.d4).

5.f4 Nbd7 6.Nf3 Be7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.f4 Be7 6.Nf3 Nbd7).

6.Nf3 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5).

6.Nf3 Bb7 7.a4 Nbd7 8.Be2 Be7 9.0–0 0–0 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7).

6.Nf3 Bb7 7.a4 Nbd7 8.Be2 Be7 9.0–0 0–0 10.d4 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7 10.d4).

6.Nf3 Nbd7 7.Be2 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.Be2 Nbd7).

6.Nf3 Nbd7 7.Be2 Be7 8.0–0 0–0 9.d4 Bb7 10.Nbd2 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7 10.Nbd2).

6.Nf3 Bb7 7.Be2 Be7 8.0–0 0–0 9.d4 Nbd7 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7).

6.c4 0–0 (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4 c5).

6.c4 0–0 7.Be2 Nbd7 8.0–0 dc4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 dc4).

6.c4 b6 7.Be2 Bb7 8.0–0 0–0 9.a4 Nbd7 10.a5 ba5 11.cd5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7 10.a5 ba5 11.cd5).

7.a4 b6 8.Be2 0–0 9.0–0 Bb7 10.d4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7 10.d4).

7.Be2 Qc7 8.d3 b6 9.Nbd2 Bb7 10.0–0 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.d3 Bb7 10.Nbd2 Qc7).

5.a4 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 c6 4.a4 d5 5.e3).

5.a4 a6 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 c6 6.c4).

5.a4 Bd7 6.c4 Be7 7.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4 Bd7).

5.a4 Be7 6.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0).

5.a4 Be7 6.Nf3 Nbd7 7.Be2 0–0 8.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4 Nbd7 8.Be2).

5.c4 0–0 6.Nf3 c5 (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4 c5).

5.Nf3 0–0 6.c4 c5 7.Be2 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0).

5.Nf3 0–0 6.Be2 c5 7.c4 (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4 c5 7.Be2).

5.Nf3 c5 6.c4 0–0 7.d3 Nbd7 8.Nbd2 b6 9.Be2 Bb7 10.0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.d3 Bb7 10.Nbd2).

5.Nf3 Nbd7 6.c4 0–0 7.d4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.c4 Nbd7 6.Nf3 0–0 7.d4).

5.Nf3 Nbd7 6.c4 c5 7.Nc3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Nc3).

5.f4 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.f4 Bd6).

5.c4 0–0 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.c4).

5.Nf3= a6 6.a4 0–0 7.Be2 c5 8.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2 a6 8.a4).

5.Nf3 b6 6.Be2 Bb7 (–-->1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 d5).

5.Nf3= c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7).

5.Nf3= Bd7 6.c4 0–0 7.a4 c6 (–--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4 Bd7).

6.c4 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0).

6.c4 c5 7.Be2 b6 8.0–0 Bb7 9.d4 Nbd7 10.Nbd2 Ne4 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7 10.Nbd2 Ne4).

6.c4 c5 7.Be2 b6 8.0–0 Nbd7 9.d3 Bb7 10.Nbd2 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 0–0 7.0–0 d5 8.d3 c5 9.Nbd2 Nbd7 10.c4).

6.c4 c5 7.Be2 Nbd7 8.0–0 Qc7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2 Nbd7 8.0–0 Qc7).

6.c4 c6 7.a4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4).

6.Be2 c5 7.0–0 Nbd7 8.c4 b6 9.d4 Bb7 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7).

4.c3 Ba5 5.g4 Bb6 6.g5 Nc6 7.d3 Nge7 8.Ba3 e5 9.e3 Bg4 10.d4? e4 11.Bg2 ef3 12.Bf3 Bf3 13.Qf3 Qd7 14.h4 h6 15.Nd2 Qf5 16.e4 Qf3 17.Nf3 de4 18.Ne5 Ne5 19.de5 hg5 20.0–0–0 Rh4 21.Rh4 gh4 22.f4 Be3 23.Kc2 Bf4 24.Rh1 g5 25.c4 Be5 26.c5 Rd8 27.Re1 f5 28.Bb4 Rd3 29.Rd1 Rd1 30.Kd1 Nd5 31.Bd2 Bf4 32.a4 Bd2 33.Kd2 h3 34.Kc2 h2 (35.c6 bc6–+) 0–1. Gregor123 – Dragonwolves, mySchach.de, 2004.

4.c3 Bd6 5.c4 Nf6 6.d3 –/+.

4.e3?? Bd7 5.Bg7 f6 6.Bh8 e5 7.Be2 e4 8.Nd4 Nc6 9.Nc6 Bc6 10.0–0 Qe7 11.d3 Kd7 12.de4 Bd6 13.ed5 Qe5 14.g3 (14...Bd5 15.Nc3+–; 14.dc6 bc6 15.f4 Qa1+–) 1–0. babo – Vauban, chesshere.com, 2006.

4.e3?? Nf6 5.Ne5 Nc6 6.Bb5 a6 7.Nc6 bc6 8.Bc6 Bd7 9.Ba8 Qa8 10.Ba3 Ne4 11.Bb4 c5 12.Bc3 Nc3 13.Nc3 0–0 14.0–0 e5 15.Ne2 d4 16.Ng3 f5 17.Qf3 e4 18.Qf4 Bb5 19.Rfe1 g6 20.ed4 cd4 21.d3 Re8 22.de4 Re4 23.Ne4 fe4 24.Qe4 Bc6 25.Qe6 Kg7 26.Qe5 Kh6 27.Qd4 Bg2 28.Re3 Qc6 29.Qh4 Kg7 30.Re7 Kf8 31.Qh7 Qc3 32.Qf7# 1–0. guest33 – guest302, ICC, 1999.

4.Bg7 Bc3 5.Nc3 d4 6.Nd4 f6 7.Bh8 Qd4 8.Nb5 Qc4 9.e3 Qd5 10.Nc7 Kf7 11.Nd5 ed5 12.Qh5 Ke7 13.Qh7 1–0. BorisOwl – NN, gamecolony.com, 2000.

4.Bg7 c6 5.Bh8 Nd7 6.Bc3 Bc5 7.e3 Ndf6 8.d4 Bd6 9.Nbd2 Bd7 10.Bd3 Qe7 11.0–0 0–0–0 12.Ba5 b6 13.Ba6 Kb8 14.Qb1 Bc7 15.c4 dc4 16.Nc4 b5 17.a4 Ba5 18.Na5 1–0. TriAngel – losertoo, ICC 1999.

4.Bg7 Qd6 5.e3 d4 6.Nd4 e5 7.Nf3 Bd7 8.Be5 Qh6 9.Bh8 Nf6 10.Bf6 Qf6 11.c3 Ba5 12.Qb3 c5 13.Qb7 Qb6 14.Qa8 Bc6 15.Bb5 Qb5 16.Qa7 1–0. Trkn – glenn, itsyourturn.com, 2000.

4.Bg7+– Bd7 5.Bh8 f6 6.e3 Nh6 7.Bd3 Kf7 8.Ne5! Kg8 9.Qh5 Kh8 10.Qh6 fe5 11.Qh7 1–0. MarcosRamos (1610) – NN, chesshere.com, 2007.

4.Bg7 Ne7 5.Bh8 c5 6.Bb2 Ba5 7.g3 Nbc6 8.Bg2 e5 9.Ne5 Ne5 10.Be5 Be6 11.0–0 Ng6 12.c3 Ne5 13.Qa4 Bd7 14.Qc2 b5 15.Bd5 Rc8 16.Qh7 Bc7 17.d4 Nc4 18.Qf7# 1–0. losertoo (1860) – oracleinshadows (1725), net–chess.com, 2006.

5.a3 Bc5 6.e3 e5 7.Bh8 Bg4 8.h3 Bf3 9.Qf3 d4 10.Bb5 Nge7 11.Qe4 Qd7 12.Be5 de3 13.fe3 0–0–0 14.Bf6 Qd6 15.0–0 Rg8 16.d4 Bb6 17.Be7 Ne7 18.Rf7 Ng6 19.Ba6 Qg3 20.Qb7 Kd8 21.Qa8# 1–0. Bonetti,Shane – kempelen, ICC, 2002.

5.e3 Nf6 6.Bh8 Ne4 7.Bb5 Kd7 8.c3?! (8.Bb2) 8...Bd6?? (8...Qh8 och hot mot Ra1) 9.Be5 Bc5 10.d3 1–0. Trkn – tursas, itsyourturn.com, 2000.

5.Bh8 Qd6 6.c3 Ba5 7.Qc2 h6 8.Qh7 Qf8 9.Bg7 Qc5 10.Qg8 Kd7 11.Bf8 Ne7 12.Qf7 1–0. Sparkes,William (2355) – Smith,Sid (2230), IECC, 2001.

5.Bh8 Qe7 6.Bb2 Bd7 7.e3 0–0–0 8.Bd3 h6 9.0–0 a6 10.a3 Bd6 11.Nc3 Nf6 12.Nd4 Nd4 13.ed4 Bf4 14.g3 Bd6 15.Qe2 h5 16.Nd1 Rg8 17.c4 h4 18.c5 hg3 19.cd6 gh2 20.Kh1 Qd6 21.Qe5 Qe5 22.de5 Ng4 23.Ne3 Bc6 24.Ng4 Rg4 25.Kh2 (25...Bb5 26.Bb5 ab5 27.Rg1 Rh4 28.Kg3+–) 1–0. shirehorse – ahmed sharkawy_1, ChessWorld.net, 2005.

5.Bh8 Nge7 6.Bf6 Qd6 7.e3 e5 8.Be7 Ne7 9.Bb5 c6 10.Ba4 Bg4 11.h3 e4 12.hg4 ef3 13.Qf3 d4 14.Bb3 0–0–0 15.c3 dc3 16.Nc3 Qd2 17.Kf1 Bc3 18.Rd1 Qb2 19.Rd8 Kd8 20.Qd1 Kc7 21.Rh7 Nd5 22.Rf7 Kb6 23.Bd5 cd5 24.Qb3 Qb3 25.ab3 a5 26.f4 Kc6 27.g5 b5 28.g6 a4 29.ba4 ba4 30.Ra7 Kb5 31.Ke2 Kb4 32.Kd3 a3 33.Ra3 Ka3 34.Kc3 1–0. TriAngel – scewing, ICC 1999.

5.Bh8 Nc6 6.c3 Bc5 7.e3 a6 8.d4 Bd6 9.Be2 Qe7 10.0–0 Qf8 11.Nbd2 Nh6 12.Bf6 Qf6 13.Ne5?? Ne5+/– 14.de5 Be5 15.Nf3 Bc3 16.Rc1 Bd7? 17.Qc2 d4? 18.ed4+– Bd4 19.Nd4 Qd4 20.Qc7 Bc6 21.Rfd1 Qe4 22.Rc6! Qc6 23.Qh7 (23...Kf8 24.Qh6 Kg8 25.Rd4+–) 1–0. badboy1221 – HocusPocus, Live Game Caissa's Web, 2006.

5.Bh8 Nc6 6.c3 Bd6 7.Qc2 f5 8.e3 +–.

5.Bh8 Nc6 6.e3 Bd7 7.a3 Bd6 8.c4 Qe7 (8...dc4 9.Qc2 Qe7 10.Nc3+– (< 10.Bc4 0–0–0+–)) 9.cd5 ed5 10.Bb5 (Better is 10.Nc3 Qe6 11.Qc2 Nge7 12.Qh7 Qf7+–) 10...0–0–0 11.Bc6 Bc6 12.Nc3 Nh6 13.Bf6 Qf6 14.0–0 Rg8 15.d4 Ng4 16.h3 Nh6 17.Ne2?? Qg6?? 18.Nf4?? Bf4–+ 19.Nh4 Qf6 20.ef4 Qh4 21.Qf3 Bd7 22.g4?? Bg4! 23.hg4 Ng4 24.Qd5 Nf6 25.Qg8–+ Ng8 26.f3 Qg3 27.Kh1 Nf6 28.Rg1 Qf3 29.Kh2 Ne4 30.Rg8 Kd7 31.Rag1 Qf4 32.Kh1 Nf2 33.Kg2 Ne4 34.Rg7?? Kc6 35.Rb1 Kd5 36.Rd7 Nd6 37.Re1 Qg4 38.Kf1 Qd7 39.Re5 Kd4 40.Re4 Ne4 41.Ke2 Qg4 42.Ke1 Qg2 43.Kd1 Qd2# 0–1. TIROLOCO – girlpower10, Live Game Caissa's Web, 2004.

5.Bh8 Bd6 6.Nc3 Nc6 7.d4 Bd7 8.a3 Qe7 9.Nb5 0–0–0 10.Nd6 Qd6 11.Qd2 Re8 12.Bg7 Re7 13.Bh6 e5 14.de5 fe5 15.Bf8 Kb8 16.Be7 Nge7 17.e3 Qf6 18.Rb1 e4 19.Nd4 Nd4 20.ed4 Bc6 21.Qb4 Ng6 22.Ba6 b6 23.Bb5 Bb7 24.a4 Qe6 25.a5 e3 26.f3 Nf4 27.Qf8 Bc8 28.Qf4 e2 29.Be2 Kb7 30.ab6 cb6 31.Qd2 Qc6 32.0–0 Bf5 33.Rfc1 Qa4 34.Ra1 Qd7 35.Ba6 Kb8 36.Qf4 Ka8 37.Re1 Qd8 38.Qf5 h6 39.Qf6! Qb8 40.Qc6 Qb7 41.Re8# (41.Qb7#) 1–0. Ocampos,Ian Guido – Arolfo,Matias, Buenos Aires Najdorf, 2004.

5.Bh8 Qe7 6.c3 Bd6 7.d4 h6 8.Qc2 Nd7 9.e3 c5 10.Bd3 Nf8 11.0–0 Bd7 12.Nh4 c4 13.Bg6 Kd8 14.Bh5 Qh7 15.Qh7 Nh7 16.Bg6 Ng5 17.f4 Ne4 18.Bh7 (18.Be4 de4 19.Nd2 f5 20.Nc4 Be7+–) 18...Kc7 (18...f5 19.Bg8 Kc7 20.Be6 Be6 21.Be5+–) 19.Be4 de4 20.Nd2 Be7 21.Ne4 f5 22.Be5 Kd8 23.Nf5 ef5 24.Nd6 Bd6 25.Bd6 Bc6 26.Kf2 Nf6 27.Kg1?? Kd7?? 28.Be5+– Ne4 29.Rac1 Rg8 30.g3 h5 31.Rf3 h4+/– 32.a3 Nd2? 33.Rf2+– Nf3 34.Rf3 Bf3 35.Kf2 Bc6 36.Rg1 h3 37.Bf6 Be4 38.Bg5 Ke6 39.g4+– Bg2 40.gf5 Kf5 41.Rb1 a6 42.Rb6 Rf8 43.Rd6 Ke4 44.Bd8 Rf5 45.Re6 Kd3 46.Re5 Rf8? 47.Ba5+– b6 48.Bb6 Kc3 49.Bc5 Rb8 50.Bb4 Kd3 51.Rc5 Rg8 52.d5?? Be4–/+ 53.d6 Rg2 54.Kf1 Bf3?? 55.d7 Be2 56.Ke1 Rg1 57.Kf2 Rg2 58.Ke1 Rg1 59.Kf2 Rg2 ½–½. Becker,Andreas – Rathke,Jens, GER–chT U16 Burg Stargard, 2002.

5.Bh8 Qe7 6.e3 h6 7.c4 Qh7 8.Qa4 (8...Nc6 9.cd5 ed5 10.Bb5+–) 1–0. agluis (2010) – hzsolt (1975), net–chess.com, 2003.

5.Bh8 Qe7 6.e3 Nh6 7.Nd4 Qf8 8.Qh5 Kd7 9.Be2 e5 10.Bg4 Kd8 11.Bc8 Kc8 12.Ne6 Qg8 13.Bf6 Qg2 14.Qe8# 1–0. Trkn – jorgempf, itsyourturn.com, 2000.

5.Bh8 Kf7 6.c3 Be7 7.Qc2 f5 8.Be5 Nc6 9.e3 Bf6 10.Bf6 Nf6 11.d4 h6 12.Bb5 Bd7 13.Bc6 Bc6 14.Ne5 Kg7 15.Nc6 bc6 16.Nd2 Qd6 17.Nf3 c5 18.0–0 c4 19.Ne5 c5 20.Rab1 (20...Rb8 21.Qa4+–) 1–0. smurilo (1795) – fiddler, chessHere.com, 2006.

5.Bh8 Bf8 6.e3 Nh6 7.Bd3 Nf7 8.Bh7 Nh8 9.Nh4 Qe7 10.Qh5 Kd8 11.Ng6 Ng6 12.Qg6 f5 13.h4 Qg7 14.Nc3 Qg6 15.Bg6 Bg7 16.h5 Bh6 17.f3 Nd7 18.g4 Nf8 19.gf5 Ke7 20.e4 c6 21.Ke2 b6 22.fe6 Ba6 23.d3 Ke6 24.ed5 cd5 25.Nd5 Rc8 26.Bf5 Kd5 27.Bc8 Bc8 28.Rag1 Bf5 29.c4 Kd4 30.Rh4 Kc3 31.Rd1 Ne6 32.d4 Kc4 33.d5 Nf4 34.Ke3 Kc5 35.Rf4 Kd6 36.Rdd4 Ke5 37.d6 Bd7 38.Rde4 Kd5 39.Kd3 Bb5 40.Kc3 1–0. Gengler,Pierre – Romano,Antonino, Luxembourg op, 1997.

5.Bh8 Nh6 6.c3 Bd6 7.Qc2 +–.

5.Bh8 c5 6.c3 Ba5 7.Qa4 Bd7 (7...Nfd7 8.e4+–) 8.Qh4 d4 (8...Qb6 9.Na3 Ne4+–) 9.Bf6 Qb6 10.Qh7 (10...Qd6 11.Ne5+–; Better is 10.Qg3 Qd6 11.Qd6 Bd8 12.Bd8 Kd8+–) 1–0. lucya (2115) – pml, GameColony.com, 2002.

5.Bh8 Nc6 6.e3 Bd7 7.a3 Ba5 (7...Bd6 8.Nc3+–) 8.Bb5 (Better is 8.Ng5!? Qe7 9.Qf3 Ne4 10.Ne4 de4 11.Qe4 f5+–) 8...Qe7 9.c3 0–0–0 10.Bf6 Qf6 11.Qc2 Kb8 (11...e5 12.Qa4 Qg6 13.Nh4+–) 12.Qh7 a6 (12...Rh8 13.Qd3+–) 13.Bc6 Bc6 14.Qh4 Qh4 15.Nh4 e5 (15...Rg8 16.h3+–) 16.Nf3 f6 17.h4 d4 18.cd4 Bf3 19.gf3 ed4 20.h5 d3 21.h6 Rd6 22.h7 Rc6 23.h8Q Ka7 24.Kd1 Rc2 25.Qf6 Rb2 26.Qb2 1–0. kamret – chirone, GameColony.com, 2002.

5.Bh8 Nc6 6.Ne5 Ne5+/– 7.e3 Be7 (7...Kf8 8.a3 Be7 9.d4+/–) 8.Be2 Qd6 (8...Kf8 9.0–0+/–) 9.Nc3 Bd7 (9...c6 10.0–0+–) 10.Bb5 0–0–0 11.Bd7 Qd7 12.Bf6 Bf6 13.0–0 h5 14.d4 Nc6 15.Nb5 a6 16.Nc3 Qd6 17.Ne2 Rh8 18.Nf4 e5 19.de5+/– Be5 20.Qd5 Bf4? 21.Qd6?? Bd6–/+ 22.c4 h4 23.Rab1 h3 24.g3 Rg8 25.Rfe1 Kd7 26.c5 Bc5–+ 27.Rb7 Kd6?? 28.Rd1+/– Ke6? 29.Rc7+– Kf6 30.Rc6 Kg7 31.Rc5 Kh8 32.Rh5 Kg7 33.Rh3 Rh8 34.Rh8 Kh8 35.Rd8 Kg7 36.a4 Kg6 37.a5 Kg7 38.Rd7 Kg6 (39.Rd6 Kg7 40.Ra6 Kf8+–). stoker – SirCharles, Caissa's Web, 2004.

5.Bh8 Bd6 6.Nc3+–.

5.Bh8 Kd7 6.Bg7 Bc5 7.e3 Bf8 8.Ne5 Ke7 9.Bf6 Kf6 10.Qf3 Ke5 11.Qf4 1–0. mtre – MalduN, internet, 2002.

5.Bh8 Nbd7 6.e3+–.

5.Bh8 Ne4 6.c3 Bc5 7.Bd4 Bd4 8.Nd4 Qf6 9.Nf3 Nc6 10.d3 Nc3 11.Qc2 Nb1 12.Rb1 Nd4 13.Nd4 Qd4 14.e3 Qf6 15.Qc7 b6 16.Qc6 Ke7 17.Qa8 Qc3 18.Kd1 Ba6 19.Qa7 1–0. TriAngel – DuRoy, ICC 1999.

5.Bh8 Ne4 6.c3 Bc5 7.e3 Nd7 +–.

5.Bh8 Ne4 6.c3 Bc5 7.e3 Ke7 8.Bd4 +–.

5.Bh8 Ne4 6.c3 Bc5 7.e3 Ke7 8.Nd4 Qh8 9.Be2 (9.d3 Nf6+–) 9...e5 (9...Kf8+–) 10.Nb5 Bb6 11.a4 (11.c4!? dc4 12.Qc2 Nc5+–) 11...c6 12.a5 cb5 13.ab6+– a6 14.Bb5 Bd7 15.Bd7 Nd7 16.Qa4 Rg8 17.Qb4 Ke8 18.d3 Nec5 19.d4?? Nd3–+ 20.Kd2 Nb4 21.cb4 Rg2 22.Rf1 Qf6 23.de5 Qe5 24.Nc3 Qf5 25.Ra5 Rf2 26.Rf2 Qf2 27.Ne2 Nb6 28.b5 Nc4 29.Kd3 Na5 30.ba6 ba6 31.Nd4 Nb3 32.Nc6 a5 33.Ne5 Qd2 0–1. Scirocco – pacificink, Live Game Caissa's Web, 2004.

4.a3 a6 5.g3 Nf6 6.Bg2 d4 7.0–0 e5 8.e3 Be7 9.d3 Bg4 10.Qd2 a5 11.b5+/– Na7? 12.a4 c6 13.ed4 Bf3+/– 14.Bf3 ed4 15.Qf4 0–0 16.Bd4 cb5 17.Bb7+– Rb8 18.Ba7 Rb7= 19.Be3 Nd5 20.Qf3 Bf6 21.d4 Nb4?? 22.Qb7+– Bd4 23.Bd4 Qd4 24.Na3 ba4 25.Rad1 Qb2 26.Nc4 Qc2 27.Na5 Nd3 28.Qd5 Nb4 29.Qc4 (29...Qc4 30.Nc4+–; better is 29.Qd6 h6 30.Qb4 Re8+–) 1–0. euforia (1620) – rapass, internet, 2007.

4.e3 Bb4 5.Bg7 d4 6.ed4 Nd4 7.Bh8 Nf3 8.gf3 f6 9.c3 Bc5 10.f4 Qe7 11.Qg4 Qf7 12.Bb5 c6 13.Bc4 Bd7 14.0–0 0–0–0 15.d4 Bb6 16.Re1 Nh6 17.Be6 Be6 18.Qe6 Qe6 19.Re6 Rh8 20.Nd2 Rg8 21.Kf1 Ng4 22.Ne4 Nh2 23.Ke2 Kd7 24.Rf6 Ng4 25.Rf7 Kc8 26.Nd6 Kd8 27.Rg1 h5 28.f3 Bc7 29.fg4 Bd6 30.Rh1 hg4 31.Rhh7 (time, 1–0). Nautiluschess – shumi, ICS blitz, 2000.

5.e3 b6 6.d4 Bd6 7.Bc3 Nb7 8.Nbd2 Nf6 9.Bd3 0–0 10.0–0 Re8 11.Re1 Bd7 12.h3 h6 13.Ne5+= Be5 14.de5 Nh7 15.Nb3 Nc5 16.Nc5 bc5 17.Rb1 Rb8 18.Ba5 Rb7 19.c4+/– dc4 20.Bc4 Qc8 21.Qc2+– c6 22.b6 ab6 23.Ba6 b5 24.Qc5 Qa8 25.Bb7 Qb7 26.Red1 f6 27.a4! fe5 28.Bc3 Nf6 29.Be5 Qa6 30.Bf6 gf6 31.Rd7 Qa4 32.Qh5 (32...Qd1 33.Rbd1 Re7 34.Re7 c5 35.Rd8#) 1–0. woschkat (1995) – wliu, net–chess.com, 2001.

5.e3 Qd6 6.Be2 Qb4 7.Ba3 Qg4 8.Bf8 Kf8 9.0–0 Qb4 10.a3 Qb2 11.Nc3 Nf6 12.Na4 (12...Qa1 13.Qa1+–) 1–0. Wall,Bill (2365) – Bill190, Microsoft Gaming Zone, 1999.

5.e3 Bd6 6.Bg7 f6 7.Bh8 Be7 8.Nd4 Nh6 9.Qh5 Nf7 10.Qh7 Qd6 11.Be2 Nh8 (12.Qh8 Bf8 13.Qf6 Be7 14.Qg6 Kd8 15.Qg8 Bf8+–; 11...Bf8 12.Bh5 Qe7 13.Qg6+–). marcosr – edonaghy, net–chess.com, 2005.

5.e3 Nf6 6.Bd3 c6 7.0–0 a6 8.ba6 ba6 9.Ne5 Bd7 10.f4 Bc5 11.Nc3+= 0–0 12.Na4 Ba7 13.Ba3 Re8 14.Rb1 d4 15.Qf3 Nd5?? 16.Bh7!+– Kh7 17.Qh5 Kg8 18.Qf7 Kh7 19.Rf3 Qh4 20.Qg6 Kh8 21.Qe8 Be8–+ (22.Rh3 Qh3 23.gh3 de3–+) 0–1. Van Bommel,Ton – Zvidra,Aivars, IECG, 2000.

5.a3 Na6 6.ba6 ba6 7.c4 dc4 8.Qa4 Bd7 9.Qc4 c6 10.e3 e5 11.Be5 f6 12.Bg3 Ne7 13.Be2 (13...Nf5 14.Bf4+–) 1–0. Tanuki – lachezar, chesshere.com, 2005.

5.a3 Nc2 6.Qc2 Qd7 7.e3 Bd6 (7...f6+–) 8.Bg7 Qe7 9.Bh8 Bd7 (9...f5 10.Be5+–) 10.Qh7 0–0–0 11.Bd4 e5 12.Ba7 b6 13.Qc2 Kb7 14.Qa4 Ra8 (14...Bc8+–) 15.Qa6# 1–0. Roookie – rebornchild, Live Game Caissa's Web, 2004.

4.Bg7+– e5 5.Bh8 e4 6.Nd4 +–.

4.Bg7+– Ne7 5.Bh8 b6 6.a3 Nd7 7.Bb2 Bb7 8.d3 Nf5 9.Nbd2 Qe7 10.g3 0–0–0 11.Bg2 h5 12.h4 d4 13.c3 e5 14.cd4 ed4 15.0–0 Bf3 16.Nf3 Be5 17.Ne5 Ne5 18.Qa4 Kb8 19.Qa6 Nd6 20.Bd4 Ng4 21.e3 c6 22.Rac1 Qb7 23.Qb7 Kb7 24.Rc6 Nb5 25.Rc5 Ka6 26.Bb7 Kb7 27.Rb5 Ka6 28.Rh5 Rd6 29.Rc1 Nf6 30.Bf6 Rf6 31.Rc7 Rd6 32.d4 f6 33.a4 Rd8 34.Rhh7 Ra8 35.d5 b5 36.Rc6# 1–0. Pena,Patrick – Vinciguerra,Andrew, AUS–ch U18 Sydney, 2002.

5.Bh8 f6 6.c3 Bd6 7.Qa4 Bd7 8.Qg4 Nh6 9.Qg7 Bf8 10.Qf6 Qf6 11.Bf6 Nc6 12.Ne5 Bd6 13.Nd7 Kd7 14.e3 Ng8 15.Bh4 Be5 16.Bb5 a6 17.Bc6 Kc6 18.d4 Bd6 19.a4 Kd7 20.Nd2 Re8 21.a5 Kc8 22.c4 Bb4 23.cd5 Bd2 24.Kd2 ed5 25.Rhc1 Nh6 26.Rc5 c6 27.Rac1 Re4 28.Bg5 (28...Nf7 29.Rd5+–; 28.Rc6!? bc6 29.Rc6 Kb7 30.Rb6 Kc8 31.Rh6 Kd7+–) 1–0. Lopez Cano,Jesus – Ortuno,D, Once op 6th, 1993.

5.Bh8 f6 6.c4 dc4 7.e3 b5 8.a4 c6 9.ab5 cb5 10.Nd4 Bd7 11.Qh5 Ke7 12.Qh7 Kd6 13.Qe4 Nc6 14.Nb5 Kc5 15.Ra6 Ne5 16.Bf6! Bd2 17.Nd2 Nf6 18.Qe5 Nd5 19.Qd4 Kb5 20.Qc4# 1–0. Bendig,Frank (2260) – Tortoza,Carlos, CiF, 2005.

5.Bh8 Nf6 6.e3 +–.

4.a4 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

4.a4 c6 5.e3 b6 6.b5 cb5 7.ab5+= f6 8.Be2 f5 9.0–0 Ne7 10.d4 a5 11.ba6 Nbc6 12.Nbd2 Ng6 13.c4 dc4 14.Nc4 b5 15.Nce5 Bd6? 16.Nd7 Kd7 17.d5 ed5 18.Qd5 Nge7 19.Qd1 Rg8 20.Bb5 g5 21.Ne5 Kc7 22.Bc6 Rb8 23.Qc2 Rb2 24.Qb2 Nc6 25.Qb7# 1–0. tanto (1715) – rickitikitavi, net–chess.com, 2002.

4.e3= a6 5.c4 (5.a3 Nf6=) 5...f6 (5...dc4 6.Bc4 Nf6 7.a3=) 6.b5 (6.Qb3 Bc6=) 6...c5 7.a4 Ne7 8.Nc3 dc4 9.Bc4+= Ng6 10.Qb3+/– Qe7 11.0–0 ab5 12.ab5 Ra1 13.Ra1 Kf7 14.d4 cd4+/– 15.Nd4 Ne5 16.Be2 g6?? 17.f4+– Bh6 18.Ne4 f5 19.Ng3 Ng4 20.Bc4 Re8 21.Ra7 Qh4 22.Nf3 Qd8 23.Rb7 Qc8 24.Ra7 Qc5 25.Bd4 Qc8 26.h3 Nf6 27.Ne5 Kg7 28.Kh2 Re7 29.Nd7 Nbd7 30.Be6 Kf8 31.Bf6 Nf6 1–0. Berlacki,Piotr – Axnich,Hellmuth (2210), Wch Seniors Bad Liebenzell, 1996.

4.e3= Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

5.a3 Bd6 =.

5.b5 c6 6.a4 Qa5 7.c4 dc4 8.Bc4 cb5 9.ab5+= Qb4 10.Qc2 Bb5?? 11.Bb5+– Qb5 12.Nc3 Qc5 13.0–0 Nc6 14.d4 Nb4 15.Qb3 Qb6= 16.Na4 Qd6 17.Rfc1 Be7 18.Nc5+= Qb6 19.Rc4 Nfd5 20.e4+/– Bc5?? 21.ed5 ed5?? 22.Rc5 (22...0–0 23.Ba3+–; 22.Re1 Kf8 23.Rc5 Kg8+–) 1–0. pumpkin (2240) – nar, net–chess.com, 2005.

5.b5 c6 6.a4 a6 7.c4 ab5 8.cb5 Bb4 9.Nc3 Bc3 10.Bc3= h6 11.Bd3 0–0 12.Bb4 Re8 13.Ne5 cb5 14.ab5 Ra1 15.Qa1 Bc8 16.0–0+/– Nbd7 17.Rc1 Ne5 18.Qe5 Bd7 19.Rc7+/– Qa8 20.Bc3 Rd8 21.Qg3 Ne8 22.f3 g5?? 23.Qh3+– Nc7 24.Qh6 d4 25.Qh7 Kf8 26.Bb4 Ke8 27.Qg8# 1–0. Registration (2355) – Fimbulwinter (1995), ICC, 2003.

5.b5 Be7 6.Be2 =.

4.a3 c6 5.e3 Nf6 6.d4 Nbd7 7.c4 a6 8.Nc3 Bd6 9.c5 Bc7 10.Bd3 0–0 11.0–0 Ne4 12.Bc2 Rf6 13.Ne4 fe4 14.Nd2 Rh6 15.h3 Qg5 16.Kh1 e5 17.Nb3 Nf6 18.f4 ef4 19.ef4 Qg3 20.Qe1 Qg6 21.Qe3 Bh3 22.gh3 Ng4 23.Qc3 Ne3 24.Qe3 Rf8 25.Kh2 Qf5 26.Bc1 g5 27.Qg3 g4 28.h4 (time, 1–0). Bonetti,Shane – chessrus, ICC, 2002.

4.a3 Nd7 5.e3 Ngf6 6.Ng5 Qe7 7.Nc3 c6 8.Be2 g6 9.0–0 Bg7= 10.b5 Ne4 11.Nge4+= fe4 12.f3 ef3 13.Rf3 Rf8 14.Rf8 Kf8 15.bc6 bc6 16.d4 Kg8 17.Rb1 e5 18.Kh1 e4 19.a4 a5 20.Qf1 Nb8 21.Qf4 Ba6 22.Ba1 Qd8 23.Rb8 (23...Qb8 24.Qb8 Rb8 25.Ba6–/+). Caissa – Kryptonite, caissa.com, 2006.

4.Bc3 Nf6 5.e3 Bd6 6.Be2 Ne4 7.a3 0–0 8.0–0 a5 9.b5 Nc3 =.

4.Nc3 Nf6 5.a3 a5 6.ba5 Ra5 7.e3 Bd7 8.Be2 Bd6 9.a4 c6 =.

4.c4 c6 5.c5 Nf6 6.Qa4 Bd7 7.Be5 Be7 8.Nc3 0–0 9.Rb1 Ne4 10.Nd1 Bf6 11.Qa3 Be5 12.Ne5 a5 13.d3 Ng5 14.e3 Nf7 15.Nf7 Rf7 16.d4 Be8 17.Be2 Nd7 18.0–0 ab4 19.Qb4 Ra2 20.Nc3 Ra7 21.Ra1 Qa8 22.Ra7+= Qa7 23.Rb1 The backward pawn on b7 becomes a target 23...Nf6 24.Bd3 Ne4 25.Ne2 Rc7 26.Nf4 Bd7 27.Bf1 Qa2 28.Nd3 Bc8 29.Rb2 Qa7 30.Qb3 Nf6 31.f3 Nd7 32.Ra2 Qb8+= 33.Qb4 b6 34.cb6 Qb6 35.Qe7 Nf8 36.Qd8 h6? 37.Nc5+– Kf7 38.Ra8 Nd7 39.Rc8 (39...Qc5 40.dc5+–) 1–0. pierre – Kal1, ChessWorld.net, 2005.

4.e3 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

5.e3 a5 6.b5 Bd6 7.Be2 0–0 8.0–0 Nbd7 9.d4 Nb6 =.

5.e3 Bd6 6.c4 c6 7.cd5 cd5 8.Be2 Bd7 9.Ne5 0–0 10.Nd7 Nbd7 11.0–0 Be5 12.d4 Bd6 13.Nc3 Qc7 14.g3 a6 15.Rc1 Ne4 1–0. Machete99 – guest1161, ICC, 2002.

5.e3 Bd6 6.c4 c6 7.bc6 bc6 8.cd5 cd5 9.Bb5 Bd7 10.Nc3 0–0 11.0–0 Qe7 12.Rc1 Ba3 13.Ba3 Qa3 14.Nd4 Qe7 15.Bd7 Qd7 16.Na4 Rc8 17.Nc5 Qe8 18.Nce6 Nc6 19.Ng7 Kg7 20.Nf5 Kh8 21.Nd6 Qd7 22.Nc8 Rc8 23.f4 Ne4 24.f5 d4 25.Rf4 Ng5 26.h4 Nf7 27.e4 Nfe5 28.Qb3 d3 29.Qc3 a5 30.g4 Qa7 31.Kg2 Rg8 32.a3 Qg7 33.Rcf1 h6 34.Kh3 Kh7 35.h5 Rb8 36.Qc5 Rb2 37.R1f2 Rc2 38.Qd6 Nf7 39.Qd3 Ng5 40.Kg2 Qb2 41.Qd6 Qe5 42.Qg6 1–0. Machete99 – guest899, ICC, 2002.

5.e3 Bd6 6.c4 c6 7.cd5 cd5 8.Be2 0–0 9.0–0 Bd7 10.Nc3 e5 11.Qb3 Kh8 12.Nd5 e4 13.Bf6 ef3 1–0. Machete99 – guest594, ICC, 2002.

5.e3 Bd6 6.Be5 0–0 7.Bd6 Qd6 8.d4 a6 9.c4 ab5 =.

5.a3 a5 6.b5 Bd6 7.Be2 Nbd7 8.0–0 e5 9.d3 Qe7 =.

5.a3 Bd6 6.c4 c6 7.d4 0–0 8.Nbd2 Nbd7 9.Be2 Ne4 10.0–0 Rf6 11.Ne5+= Rh6 12.f4 Ndf6 13.Ne4 Ne4 14.Qe1 Be5 15.de5 g5 16.Rd1 Bd7 17.Bf3 Qe7 18.Be4 fe4 19.f5 ef5= 20.cd5 cd5 21.Rd5 Bc6 22.Rd2 Rf8 23.Qg3 Rg6 24.Rd6 Bb5 25.Rc1 f4 26.Rg6+/– hg6 27.ef4 Rf4 28.Rc8 Rf8 29.Rf8 (29...Qf8 30.Qe1+/–) 1–0. Lebel Arias,Julia (2065) – Astolfi Perez,Eneida (2075), FRA–ch (Women), 1991.

5.a3 Be7 6.c4 c6 7.c5 0–0 8.Be2 Ne4 (8...b6 9.cb6 ab6 10.0–0=) 9.d3 Nf6 10.0–0 Ng4 11.h3 Bf6 12.Bf6 (< 12.hg4 Bb2 13.Ra2 fg4 14.Rb2 gf3 15.Bf3 Qh4=+) 12...Nf6 13.Nbd2 Nbd7 14.d4 Ne4 15.Ne4 fe4 16.Ne5 Qf6 17.f3 Ne5=+ 18.de5 Qe5 19.f4 Qf6 20.Bg4 Qc3 21.Qe2 e5 22.fe5 Bg4–+ 23.hg4 Rf1 24.Rf1 Qe5 25.Qf2 Qe6 26.Qf4 h6 27.Qc7 Re8 28.Qb7= Re7 29.Qb8 Kh7 30.Rf8 Rf7 31.Rh8 Kg6=+ 32.Qg3 Qf6 33.Qh3 Qa1 34.Kh2 Qe5 35.Kg1 Qg5 =. maaxa – Jackmg, Live Game Caissa's Web, 2004.

5.a3 Be7 6.Be2 0–0 7.0–0 c6 8.d3 a5= 9.c3 ab4 10.cb4 b6 11.Nbd2 Bb7 12.Qb3 Nbd7 13.Rac1 Rc8 14.Ng5 Ne4 15.Ne6 Nd2 16.Qc3 Bf6 17.Qd2 Bb2 18.Rc2 Qe7 19.Nf8 Ba3 20.Nd7 Bb4 21.Nf6 gf6 22.Qc1 Kh8 23.d4 c5 24.dc5 bc5 25.Bf3 Qe5 26.Rd1 Rd8 27.g3 Ba6 28.Rc5 Bc5 29.Qc5 Bc4 ½–½. Noskowicz,Krzysztof – Adamowski,Andrzej, corr 1. AMM Poland, 1992.

5.b5 c5 6.c4 Be7 7.Be2 0–0 8.0–0 Nbd7 9.d3 Qc7 10.a4 a5 11.Nbd2 b6 12.Rb1 Bb7 13.Ng5 Qd6 14.Ba3 Rae8 15.d4 Bd8 16.Ngf3 Bc7 17.Ra1 Ne4 18.g3 Nc3–/+ 19.Qe1 Ne2 20.Qe2 e5 21.de5 Ne5 22.Bb2 Ng4 23.Nh4 Qh6 24.h3 Ne3!–+ 25.Qf3?? Nf1 26.Nf1 f4 27.Qg4 d4 28.Qd7 Qd6 29.Qg4 fg3 30.Ng3 Rf4 31.Qg7 Kg7 32.Nhf5 Kh8 33.Nd6 Bd6 (34.Kf1 Ref8–+) 0–1. Mauron,Regis (1780) – Costagliola,Marina (2250), St Quentin op 5th, 2002.

5.b5 Bd6 6.Be5 =.

4.a3 c6 5.e3 a6 6.d4 Bd6 7.Be2 Nd7 8.0–0 f5 9.c4 Ngf6 10.Ng5 Qe7 11.c5 Bc7 12.Nc3 0–0 13.Re1 Ne4 14.Nge4 fe4 15.h3 Rf6 16.a4 Rh6 17.b5 Qg5 18.b6 Bb8 19.Kf1 e5 20.Bg4 ed4 21.ed4 Bf4 22.g3 Bd2 23.h4 Qg6 24.h5 Qg5 25.f4 ef3 26.Re8 Nf8 27.Bc8 Rc8 28.Re5 Qg3 29.Qd2 Ng6 30.Rg5 Qh3 31.Kf2 Rh5 32.Rh5 Qh5 33.Kg1 Qg4 34.Kh1 Qh3 35.Qh2 Qf5 36.Qf2 Re8 37.Rf1 Qh5 38.Qh2 Nh4 39.Nb1 Re2 40.Qb8 Re8 41.Qh2 h6 42.Qh3 (time, 1–0). Bonetti,Shane – chessrus, ICC, 2002.

4.a3 Bd6 5.e3 Nc6 6.Bb5 h5 7.Nd4 e5 8.Nc6 bc6 9.Bc6 Bd7 10.Ba8 Qa8 11.d3 e4 12.0–0 h4 13.Nd2 g6 14.de4 h3 15.g3 de4 16.Nc4 f5 17.Nd6 cd6 18.Bh8 Ba4 19.Qd6 Qd8 20.Qd8 Kd8 21.Rfd1 Kc7 22.Be5 Kc6 23.Rd6 Kb7 24.c4 Ne7 25.b5 Bb3 26.Rd7 Kc8 27.Re7 Bc4 28.Rc1 Kd8 29.Ra7 Bb5 30.Rb1 Bd7 31.Bf6 Ke8 32.Rb8 Kf7 33.Rd7 Kf6 34.Rb6 Kg5 35.Rg7 f4 36.gf4 Kg4 37.Rgg6 Kf3 38.Rg3 Ke2 39.Rd6 Ke1 40.Rh3 Ke2 41.Rg3 Ke1 42.h4 Ke2 43.Kg2 Ke1 44.Rh3 Ke2 45.h5 Ke1 46.f3! ef3 47.Kf3 Kf1 48.Rh1# 1–0. Trkn – CartmanUSM, itsyourturn.com, 2000.

4.a3 e5 5.e3 Bg4 6.Be2 c6 7.0–0 Nd7 8.h3 Bf3 9.Bf3 h5? 10.Bh5+– Ke7 11.Be2 g5 12.d4 e4 13.c4 Nb6 14.c5 Na4?? 15.Qa4 1–0. Fritz 6 – NN, 2003.

4.a3 Ne7 5.e3 c5 6.bc5+= Nec6 7.d4+/– Be7 8.c4 0–0 9.Nc3 b6 10.cd5 ed5 11.cb6 ab6 12.Qb3 Be6 13.Bb5 Na5 14.Qc2 Nbc6 15.0–0 Rc8 16.Nd2 Na7 17.a4 Bb4 18.Rfc1 Nb5 19.ab5 Re8 20.Qd3 Nc4 21.Nc4 Rc4 22.Na2 Bd6 23.Ba3+/– Bb8 24.Nb4 Qc7 25.g3 Qd7 26.Nc6 Bd6 27.Qd2 Bh3 28.Bd6 Qd6 29.Ra6 Qe6 30.Rb6?? Qe4–+ 31.f3 Qf3 32.Re1 Qe4 33.Re2 Bg4 34.Rf2 h5 35.Rb8?? Rb8–+ 36.Nb8 Qb1 37.Kg2 Qb5 38.Qa2 Qb8 39.Rb2 Qc7 40.Qa8 Kh7 41.Qd5 Rc2 42.Rc2 Qc2 43.Kg1 Qd1 44.Kg2 Qe2 45.Kg1 Qe3 46.Kg2 Qe2 47.Kg1 Bh3 (48.Qe4 Qe4 49.Kf2 Qd4 50.Ke2 Bg4 51.Kf1 Qd2 52.Kg1 Bh3 53.g4 Qe1#) 0–1. S – michaelanthony, ChessWorld.net, 2005.

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.e3 Bd7 9.c4 Qa5 10.Nc3 g5 11.cd5+/– ed5? 12.Nd5+– Kd8 13.Bc3 Qa2 14.Nb6 Be6 15.Ng5! Bf5 16.Bc4 Qa7 17.Nf7 Ke7 18.Nh8 Qb6 19.Bg8 Bg7 20.Qb3 Be6 21.Be6 Qe6 22.Qe6 Ke6 23.Ke2 Bh8 24.Ra1 Nd7 25.b6! Kd5 26.d4 f5 27.f3 Nb6 28.Kd3 Nc4 29.dc5 Bc3 30.e4 fe4 31.fe4 Kc5 32.Kc3 Ne3 33.g3 1–0. pumpkin (2015) – marcteriele, net–chess.com, 2003.

4.b5 b6 5.e3 Bd6 6.c4 Bb7 7.Nc3 Ne7 8.d4 Nd7 9.cd5 ed5 10.Bd3+= 0–0 11.0–0 a6 12.a4 c6 13.Qb3 c5 14.Qc2 c4? 15.Bh7+– Kf7 16.Bf5 Rh8 17.g3 Nf5 18.Qf5 g6?? 19.Ng5+– Kg8 20.Qe6 Kg7+– 21.Nf7 Qe8?? 22.Qe8 Rhe8 23.Nd6 Reb8 24.Nb7 Rb7 25.Nd5 a5 26.Rac1 Rc8 27.Rc3 Kf7 28.Rfc1 Ke6 29.Nf4 Kf5 30.Rc4 Rh8 31.Rc7 Rc7 32.Rc7 (32...g5 33.Nd5+–) 1–0. Mueller,Ernst – Kirchgraber,Bruno, 04 sen. Ascona op, 2005.

4.b5 c6 5.a4 cb5 6.ab5 b6 7.e3+= Bc5 8.c4 Bb7 9.Be2 Nd7 10.0–0+/– Ne7 11.Nd4 Bd4= 12.Bd4 Nf5 13.Bb2 dc4 14.Bc4+/– e5 15.d4 ed4 16.ed4+– Nh6?? 17.Qh5 (17...g6 18.Re1 Ne5 19.Qh6+–) 1–0. pumpkin (2485) – myca, net–chess.com, 2004.

4.b5 Bd6 5.e3 Ne7 6.c4 c6 7.Nc3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 e5 11.d4 ed4 12.Nd4 Bb4 13.Nc2 Ba5 14.Be2 Be6 15.0–0 dc4 16.Nd4 Bf7 17.Qa4. michaelbuss (2600) – average_at_chess (2230), ChessWorld.net, 2003.

4.g3 Bb4!? 5.a3 Be7 –/+.

4.g3 Nc6 5.b5 Na5=+ 6.Bg2 Nc4 7.Qc1 Nb2 8.Qb2 Bd7 9.a4 b6 10.0–0 Bd6 11.d3 Ne7 12.Nbd2 0–0 13.c4 dc4 14.Nc4+= Nf5 15.e4 Nh6 16.e5 Bc5 17.d4 Bd4?? 18.Nd4+– Rb8 19.Rfd1 Qe8 20.Nc6 Bc6 21.Bc6 Qe7 22.Rd7 f5 23.Re7 f4 24.Bd7 Nf5 25.Be6 (25...Kh8 26.Rc7+–) 1–0. coloplayah (2145) – bar (1915), net–chess.com, 2006.

4.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3).

4.a3 c5 5.bc5 Bc5 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3).

4.a3 c6 5.e3 (–--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3).

4.a3 Bd6 =.

4.Ba3 Be7 5.e3 0–0 6.Bd3 Re8 7.Ng5 (7.0–0 Bd6=+) 7...Nc6 (7...e5 8.Be2–/+) 8.Bb2 (8.b5 Ba3 9.Na3 Ne7–/+) 8...h6 (Better is 8...Nb4 9.Be2 c5–+) 9.Bf6?? (Better is 9.b5 hg5 10.bc6 bc6 11.0–0–/+) 9...Bf6–+ (9...gf6 10.Nf7 Qd7 11.Qg4 Kf8 12.Bh7 Bb4 13.Qg8 Ke7 14.Qg7+–; 9...hg5?! 10.Be7 Qe7 11.b5=) 10.Bh7 Kf8 11.Qh5 Re7 12.f4 Ba1 13.Bg8 Kg8 14.Ne6 Be6 (15.b5 Nb4–+) 0–1. cagey – zed, Live Game Caissa's Web, 2004.

4.b5 a5 (without 5.bxa6) (–--> 1.b4 a5 2.b5 Nf6 3.Nf3 e6 4.Bb2 d5).

4.b5 Bb4 5.a3 Be7 (5...Bd6 6.e3=+) 6.e3 0–0 7.c4 (7.Ne5 Nbd7=) 7...a6=+ 8.Qc2 ab5 9.cd5 Nd5 10.Bb5 Nd7 (10...Bd7 11.Bd7 Nd7 12.d3=+) 11.0–0 b6 (11...c6!? 12.Be2 Bd6=) 12.Bc6= Ra6 13.Rc1 Nc5 14.d4 Na4?? (Better is 14...Nb7+=) 15.Ba4+– (15…Bb7 16.e4+–) 1–0. Wall,Bill – Cobaltblue, Internet, 1996.

4.c3 Bd7 5.Ne5 Nc6 6.c4 (Better is 6.Nc6!? Bc6 7.e3=+) 6...Ne5–/+ 7.Be5 Ne4 (Better is 7...dc4!? 8.Qc2 Bd6 9.Bd6 cd6–+) 8.cd5 ed5 9.Qc2 c6 10.Nc3 Bf5 (< 10...Bb4 11.Ne4 de4 12.Bg7+= (< 12.Qe4 Qe7 13.Qf4 f6=+)) 11.d3 Nc3 12.Qc3 f6 13.Bg3 Bd6 14.Bd6 Qd6 15.e4 de4 16.de4 Be4 17.Qe3? Qe5 18.0–0–0?? Qa1–+ 19.Kd2 Qa2 20.Ke1 0–0 21.Qd4 Bd5 22.Be2 Rfe8 23.Qd2 Qd2 24.Rd2 Bc4 25.Kd1 Be2 26.Re2 Re2 27.Ke2 Re8 28.Kd1? Re4 29.Kc2 Rb4 30.Kc3 Rb5 31.Kc4 Kf7 32.Ra1 a6 33.Re1 Re5 34.Rd1 0–1. cxz – desmond, Live Game Caissa's Web, 2004.

4.c4 Bb4 5.cd5 ed5 6.g3 c6 7.Bg2 0–0 8.0–0 Bg4 9.a3 Ba5 (10.h3 Bf5–/+; 9...Bc5 10.Qc2 Nbd7 11.h3–/+) 0–1. coloplayah (2175) – bmurtinho (2055), net–chess.com, 2006.

4.c4 c6 5.e3 Nbd7 6.cd5 ed5 7.b5 Bd6 8.Ng5 h6 9.Bd3?? hg5–+ 10.0–0 Bh2 11.Kh1 Be5 12.Kg1 Bb2 13.Nc3 Ba1 14.Qa1 Nc5 15.Bc2 Qd6 16.bc6 Qh2# 0–1. rabelloenter (2000) – jjones (2410), net–chess.com, 2006.

4.d3 Bb4 5.c3 Bd6 6.g3 e5 7.Ba3 0–0 8.Bd6 Qd6 9.Bg2 c5 10.0–0 Nc6 11.Na3 Rd8 12.Qc2 Bf5 13.e4 de4 14.de4 Be4 15.Qb2 Qd5 16.Nh4 Bg2 17.Ng2 Rd7 18.Ne3 Qf3 19.Nac2 Rad8 20.Ne1 Qh5 21.c4 b6 22.N1g2 Rd2 23.Qc3 Nd4 24.f4 Ne2 (25.Kh1 Ng3 26.Kg1 Ne2 27.Kh1 Ne4–+) 0–1. coolerdude – Klaus Behrmann, ChessWorld.net, 2004.

4.d4 Nc6 5.e3 Nb4 6.c3 Nc6 7.Bb5 Bd7 (8.Ba3 Ba3 9.Na3 0–0–/+) 0–1. djervis (1880) – rar (2095), net–chess.com, 2006.

4.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.Nf3).

4.e3 b6 5.b5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6 5.Nf3).

4.Bf6 Qf6 5.e3?? (Better is 5.Nc3–/+) 5...Qa1–+ 6.Ng5 (6.a3 a5 7.c3 Bd6–+) 6...Qa2 (Better is 6...Bb4 7.a3 Be7–+) 7.Qf3 f6 8.Bb5 c6 9.Ne6 Qb1 10.Ke2 Qh1 11.Nc7 Kd7 12.Na8 Qa1 13.Qf5 Kd6 14.Qf4 14...Qe5 15.Qe5 fe5 16.Bd3 e4 17.Nb6 ab6 18.Be4 de4 19.b5 0–1. NathanB – Diggy, Live Game Caissa's Web, 2004.

5.a4 Bb4 6.e3 0–0 7.Be2 ab5 8.ab5 Ra1 9.Ba1 Ne4 10.0–0 Bd7 11.c4 dc4= 12.Bc4 Nd6 13.Qb3 c5 14.Nc3 Qb6 15.d4 Nc4 16.Qc4 Rc8 17.dc5 Qc5–/+ 18.Qc5 Rc5 19.Ne4 Rc4 20.Bd4 Bb5–+ 21.Ne5 Rd4 22.ed4–/+ Bf1 23.Kf1 b5 24.Ke2 f6 25.Nd3 Be7 26.Nec5 Kf7 27.Kd2 Nc6 28.Kc3 Bd8 29.Nb7 Ke7 30.Nb4 Ba5 31.Na5 Na5 32.Nd3 Nc6–+ 33.f4 Kd6 34.g3 Kd5 35.Nb4?? Nb4 36.Kb4 Kd4 37.Kb5 e5 (38.Kc6 e4–+) 0–1. pumpkin (2190) – brunev (2040), net–chess.com, 2005.

5.a4 c5 6.e3= Bd6 7.c4 0–0 8.Nc3 b6 9.d4 Bd7 10.dc5= Bc5 11.cd5 Nd5 12.Nd5 ed5 13.Be2 ab5 14.ab5 Ra1 15.Qa1 Bb4 16.Kf1 f6 17.h4 Bc5 18.Nd4 Bd4 19.Bd4 Qc7 20.g3 Bf5 21.h5 Nd7 22.Kg2 Qc2 23.Qd1+= Qa2 24.Re1 Rc8 25.Bd3 Be4= 26.Be4 de4 27.Qg4 Qf7 28.h6 Re8+= 29.Rc1 g6 30.Rc6 f5 31.Qd1 Qd5 32.Qa1 Rb8 33.Bb6 Qf7 34.Rc7 (34...Rb6 35.Qd4+–) 1–0. Nemec,Zdenek – Wenink,TR (1800), EM/O/100, 2002.

5.a4 c6 6.e3= Bd6 7.Be2 =.

5.a4 c6 6.e3 Bd7 7.bc6 Nc6 8.c4 Be7 9.cd5 ed5 10.Be2 0–0 11.0–0 Rc8 12.d3 Re8 13.Nbd2 Qb6 14.Rb1 Qa5 15.Bf6 Bf6 16.Rb7 Nb8 17.d4 Bc6 18.Rb1 Ba4 19.Qe1 Bc2 20.Ra1 Qb6 21.Nb1 Be7 22.Nc3 Qb3 23.Nb1 Bb4 24.Nfd2?? Qb2–+ 25.Ra6 Na6 26.Ba6 Ra8 27.Be2?? Bb1 28.Qb1 Qd2 29.Bb5 Reb8 30.Bc6 Ra5 31.Qb3 Bd6 32.Qd1 Qd1 33.Rd1 Kf8 34.g3 Ke7 35.Kg2 Rb2 36.Rf1 Rc2 37.Bb7 Kd7 (38.Rb1 f5–+) 0–1. Fobke,Peter – Rudnick,Werner (2120), 12sen.WttgEM/Ellwangen, 2000.

5.a4 c6 6.e3= Bd7 7.Ne5 ab5 8.ab5 Ra1 9.Ba1 cb5 10.Nd7 Qd7 11.Bf6 gf6 12.Nc3 b4 13.Bb5 Nc6 14.Ne2 Bd6 15.Qa1 Ke7 16.Qa4 e5 17.0–0 Qc7 18.Rc1 e4 19.g3 Ne5 20.Nd4 Nf3 21.Kg2 Nd4=+ 22.ed4 Qb6 23.c4 Qd4–/+ 24.Qa2 Rc8 25.Rc2 Bc5 26.d3 Qd3 27.Rd2 Qf3 28.Kg1 e3 29.Re2 Kf8 30.cd5 ef2 31.Rf2 Qf2 32.Qf2 Bf2 33.Kf2 Rc5 34.Bd3 b3 35.Bh7 b2 36.Ke3 Rc1 37.d6 b1Q 38.Bb1 Rb1 39.Kd4 Rb5 40.h4 b6 41.g4 Rb4 42.Kd5 Ke8 43.Kc6 Rg4 44.h5 Kd8 0–1. Verns – finos1987 (1660), chesshere.com, 2007.

5.a4 Bd7 6.e3 Be7 7.c4 0–0 8.Be2 c6 9.Nc3 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Qa1 cb5 13.Bb5 Nc6 14.0–0= Nb4 15.Qa4 Bb5 16.Qb5 Qc7 17.Ra1 Nc6 18.d4 Rd8 19.h3 Bf8 20.Qa4 Qd6 21.Ba3 Qd7 22.Bf8 Rf8 23.Rb1 Nd5 24.Nd5 Qd5 25.Rb5 Qd7 26.Qb3 Qc8 27.Qb1 Qa8 28.Rb7 Rb8 29.Rb8 Qb8 30.Qb8 Nb8 31.Kf1 Nc6 32.Ke2 Nb4 33.Kd2 f5 34.Kc3 Nd5 35.Kc4 h6 36.Kc5 Kf7 37.Kd6 Kf6 38.Ne5 Nc3 39.Nd7 Kf7 40.Nc5 Nd1 41.Ne6 Nf2 42.Ke5 g6 43.d5+– Ne4? 44.g4 Nf6 45.gf5 gf5 46.Nf4 Ng4 47.hg4 fg4 48.Nh5 (48...Ke7 49.e4+–) 1–0. Garcia Piedra,Juan – Crespo,Miguel Angel, Spain, 1998.

5.a4 Bd7 6.e3= Be7 7.c4 0–0 8.Be2 c6 9.Qb3 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 Bb5 14.Qb5 Qd7 15.Qd7 Nbd7 16.0–0 Rc8 17.Nc3= Nc5 18.Rb1 Nce4 19.Rb7+/– Bd8 20.Ne2 Nd5 21.g3 Bf6 22.Bf6 Ndf6 23.Ne5 Nd6 24.Rb6 Nde8 25.Nc3 Rd8 26.d4 Nd7 27.Nd7 Rd7 28.Kg2 h5 29.h3 Nf6 30.f3 Nd5 31.Rb8 Kh7 32.e4?? Nc3–+ 33.Rb3 Ne2 34.Rd3 Nd4 35.f4 Rd8 36.e5 Nc6 37.Rd8 Nd8 38.Kf3 Nc6 39.Ke4 f5 40.ef6 gf6 41.g4 hg4 42.hg4 Kg6 43.f5 ef5 (44.gf5 Kg5–+) 0–1. Hasler – Schmid, 1972.

5.a4 Bd7 6.e3 Be7 7.c4 0–0 8.Be2 c6 9.Qb3 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 Qb6 14.Nc3 Bc6 15.Ke2 Nbd7 16.Rb1 Nc5 17.Qb2 Rd8 18.Bc6= Qb2 19.Rb2 bc6 20.Rb6 Ra8 21.Bb2+= Ra6 22.Rb8 Bf8 23.Ne5 Ncd7 24.Nd7 Nd7 25.Rd8 Ra7 26.Ne4 c5 ½–½. Sternik,Ryszard – Berens,J, Poland, 1985.

5.a4 Bd7 6.e3 Be7 7.c4 0–0 8.Be2 c6 9.Qb3 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 Qb6 14.Nc3 Rc8 15.Bc4 Qb3 16.Bb3 Ne4 17.Ke2 Nc3 18.Bc3 Bb5 19.Kd1 Na6 20.Nd4 Bd3 21.Ne6+= Nc5 22.Nc5+/– Bc5 23.h4 Ra8 24.Bc2 Bb5 25.d4 Bb4 26.Kd2+– Be7 27.g3 Bc6 28.Rb1 b5 29.e4 Rb8 30.d5 Bd7 31.Bb4 Bf6 32.f4 Bd4 33.Rb3 g6 34.Bc3 Bb6 35.Be5 Ra8 36.Bd3 b4 37.Bd6 Ba4 38.Rb1 b3 39.Bc4 Bf2 40.f5 gf5 41.ef5 Rd8 42.Bf4 Bc6? 43.Ke2 Bg3 44.Bg3 Bd5 45.Bb3 Be4 46.Rg1 Kf8 47.f6 Ra8 48.Bd6 Ke8 49.Rg8 Kd7 50.Ra8 Ba8 51.Be7 Be4 52.Bf7 Bf5 53.Ke3 Bc2 54.Kf4 Bd3 55.Kg5 Be4 56.Kh6 Bf5 57.Bg8 (57...Bg6 58.Bh7+–) 1–0. Spiegel,Matthias – Block,Gerold, Germany, 2006.

5.a4 Be7 6.e3 0–0 7.Nc3 Bd7 =+.

5.a4 Be7 6.e3 0–0 7.c4 c5 8.Na3 Nbd7 9.Rc1 ab5 10.ab5 b6 11.Be2=+ Bb7 12.0–0 Bd6 13.h3 Qe7 14.Qb3 e5 15.d3 e4 16.de4 de4 17.Nd2 Ne5 18.Rfd1 Rad8 19.Nab1 Rd7 20.Nc3 Bb8 21.Nf1 Rfd8 22.Rd7 Rd7 23.Rd1 Qd8 24.Na4= Nd3 25.Bc3 Kf8 26.Rd2 Bc7 27.Qd1 Qa8 28.Bd3 ed3 29.f3 Nh5 30.Nb2 Ng3 31.Rd3 Rd3 32.Nd3 Qe8 33.Qe1 Nf1+= 34.Kf1 Qe7 35.Ke2 f6 36.Qh4+= Qe6 37.Nb2 Qf5 38.e4+/– Qg6 39.Qg4 Qe8 40.Qf5 h6 41.Nd1 Bc8 42.Qd5 Be6 43.Qd3 Qg6 44.Ne3 Qg3 45.Be1 Qh2 46.Kf1 Qh1 47.Kf2 Qh2 48.Nf1 Qf4 49.Bd2 Qe5 50.Bc3 Qf4 51.g3 Qc1 52.h4 Bc4 53.Qc4 Be5 54.Qd3 Bc3 55.Qd8 Kf7 56.Qd7 Kf8 57.Qd8 Kf7 58.Qd7 (58.Qb6?? Qc2 59.Kg1 Bd4 60.Kh1 Qf2–+) ½–½. Kosina,Vladimir – Vrabec,Milos, CSR op U26 Cihak, 1969.

5.a4 Be7 6.e3 0–0 7.d3 Bd7 8.c4 c6 (8...dc4 9.dc4 ab5 10.ab5 Ra1 11.Ba1=) 9.Qb3 (9.Nc3 dc4 10.dc4 cb5 11.ab5 Bb4=) 9...Bd6 10.Be2 Re8 11.Ne5 cb5 12.ab5= Qc7 13.b6 Qd8 14.d4 dc4 15.Nc4+= Be7 16.Nbd2 Bc6 17.Bf3 Bf3 18.Nf3 Nbd7 19.Nfe5 Ne5 20.de5 Nd7 21.Rd1 Bc5 22.Nd6 Re7 23.Nb7+/– Qb6 24.Nc5?? Qc5?? (Better is 24...Qa5 25.Qc3 Qc3 26.Bc3 Nc5=+) ½–½. Krueger,Bernhard – Bengsch,Bertram, Baunatal op 2nd, 1996.

5.a4 Be7 6.e3 0–0 7.Be2 c5 =.

5.ba6 Ra6 6.e3 Ra8 7.Be2 Be7 8.0–0 0–0 9.c4 c6 10.cd5 ed5 11.d3 Bg4 12.Nbd2 Nbd7 13.Qb3 Qb6 14.Qb6 Nb6 15.h3 Bf5 16.Nd4 Be6 17.Ne6 fe6 18.Nf3 Nbd7 19.a4 Bd6 20.a5 e5 21.Ra2 e4 22.de4 Ne4 23.Rfa1 Ra7 24.a6 b5 25.Nd4 Nb8? 26.Bf3 Nf6? 27.Nc6!+– Nc6 28.Bf6 Rf6 29.Bd5 Kf8 30.Bc6 Be5 31.Rc1 b4 32.Bb7 Bc3 33.Rac2 Rd6 34.Rc3 bc3 35.Rc3 Rd1 36.Kh2 Rd2 37.Kg3 Rd6 38.Rc8 Ke7 39.Rc7 Kf6 40.Kf3?? Rb6? 41.g4?? h6? 42.Kg3?? Rb3? 43.h4+– Rb5 44.f4 Rb3 45.Kf3 Rb6 46.g5 hg5 47.hg5 (47...Ke6 48.Bc8 Kd6 49.Ra7+–) 1–0. hsingletary (1750) – rhand (1715), net–chess.com, 2001.

5.ba6 Na6 6.d4 c5 7.e3 c4 8.Be2 b5 9.0–0 Bd6 10.Ne5 Bb7 11.c3 0–0=+ 12.a4 ba4 13.Ra4 Qb6 14.Ba3 Rfd8 15.Bd6= Qd6 16.Nd2 Ne8 17.Bh5+= g6 18.Bf3 Qe7 19.Ng4 Kg7 20.Qc2 Bc6 21.Raa1 f6 22.e4 de4 23.Be2 Nd6 24.Nc4 Nc4 25.Bc4 Nc7 26.Qd2 Bb5 27.Bb5 Ra1 28.Ra1 Nb5 29.Rb1 Nd6 30.Qh6 Kg8 31.Qf4 Kg7 32.Rb6 Nf7 33.h4 Rc8= 34.Qg3 Qa3 35.Re6 Qc3? 36.Qc3+/– Rc3 37.Nf6 Rd3 38.Ne8 (38...Kf8 39.Re4+–) 1–0. Rook,I – Robertson,A, corr Tch–GB, 1992.

5.ba6 Na6 6.e3 Bd6 7.c4 0–0 8.Nc3 c6 9.Be2 Nc5 10.d4= Nce4 11.0–0 Nc3=+ 12.Bc3 Ne4 13.Bb2 f5 14.Ne5 f4 15.f3+= Ng3? 16.Re1?? Ne2=+ 17.Qe2 Be5 18.de5 Qb6 19.cd5 ed5 20.Qd2 Be6 21.Kh1 fe3–/+ 22.Re3 c5 23.a4 d4 24.Ree1 Bd5 25.a5=+ Qg6 26.Ba3 Rac8 27.Rac1 Rf3 28.Bc5 Rd3 29.Qf2 Rc3 30.Rc3 dc3 31.Ba3 c2 32.Bc1 Rf8 33.Qd2 Qe4 34.h3 Qc4=+ 35.Kh2 Qc5 36.Qe3 Qe3 37.Be3=+ Rc8 38.Kg3 Kf7 39.Bc1 Ke6 40.Re3 Rc4 41.Ra3 Ke5–+ 42.a6 ba6 43.Ra6 Rc6 44.Rc6 Bc6 ½–½. Steffens,O (2255) – Mlacnik,F (2085), 24th Open Bled SLO, 2003.

5.Nc3 ab5 6.Nb5 Bc5 =.

5.e3 ab5 6.Bb5 Bd7 =.

5.e3 Bd6 =.

5.e3 Bd7 =.

6.ab5 Bb4 7.Ra8 Bd7 8.Bf6 gf6 9.e3 0–0 10.c4 c6 11.Qb3 Qe7 12.Be2 dc4 13.Qc4 e5 14.Qh4 e4 15.Nd4 Kh8 16.Nc3 c5 17.Nc2 Bf5 18.Nb4 cb4 19.Nd5 Qd6 20.Qf6 Qf6 21.Nf6 Kg7 22.Nd5 b3 23.0–0 Be6 24.Bc4 b2 25.Rb1 Rd8 26.Rb2 1–0. katchum (2210) – nhathuy (2425), net–chess.com, 2003.

7.Ba1 b6 8.e3 Bd6 9.Be2 Nbd7 10.0–0 0–0 11.c4 Nc5 12.Nc3 Bb7 13.d4 Ncd7 14.Qb3 Qe7 15.cd5 Nd5 16.Bc4 Nc3 17.Qc3 Nf6 18.Ne5 Ra8 19.Bb2 Nd5 20.Qc2 Nb4 21.Qe2 Be5 22.de5 Qg5 23.f4 Qe7 24.g4 Be4 25.f5 ef5 26.gf5? Qg5–+ 27.Kf2 Bf5?? 28.Rg1 Qh4–+ 29.Kf3?? Be4 0–1. CountFromHolland – GED, HCL–A1574 playchess.de, 2003.

7.Ba1 c5 8.c4 Be7 9.e3 0–0 10.Be2 Nbd7 11.d3 dc4 12.dc4 b6 13.Bd3 Bb7 14.Nbd2 Qc7 15.Qc2 h6 16.Bc3 Ng4 17.Be4 Bf6 18.h3 Be4 19.Ne4 Bc3 20.Qc3 Nge5 21.Nfd2 Ra8 22.0–0 Qd6?? 23.Ra1 (better is 23.Nd6 Ng6 24.Ra1+–) ½–½. Typek – Dzieniszewski,Andrzej, Gizycko, 1985.

7.Ba1 c5 8.bc6 bc6 9.e3 Bd6 10.Be2 0–0 11.0–0 Nbd7 12.c4 Ba6 13.cd5 Be2 14.Qe2 cd5 15.d3 Qc7 16.Nbd2 Ra8 17.e4 Bf4 18.g3 Bd2 19.Qd2 de4 20.de4 Ne4 21.Qe2 Ndf6 22.Bb2 Qb7 23.Bf6 Nf6 24.Qd3 h6 25.Rd1 Nd5 26.Nd2 Qa6 27.Qc2 Rc8 28.Qb1?? Nc3 29.Qa1 Qe2 30.Rc1 Qd2 31.Kg2 Qd5 32.Kg1 Ne2 (33.Kf1 Nc1 34.Kg1 Ne2 35.Kf1 Rc2 36.f3 Ng3 37.hg3 Qf3 38.Ke1 Qe2) 0–1. valpa – sakata, HCL–B2386 playchess.de, 2003.

7.Ba1 Bc5 8.e3 0–0 9.c4 c6 10.Nc3 Qa5 11.Be2 b6 12.Qa4 cb5 13.Qa5+= ba5 14.cb5 Nbd7 15.Na4 Bb4 16.Bc3 Ne4 17.Bb4+= ab4 18.d4 Nc3 19.Nc3+/– bc3 20.Kd1 Nb6 21.Kc2+– Bd7 22.Kc3 Ra8 23.Rb1 Ra3 24.Kb4 Ra2 25.Bd3 Rf2 26.Kc5 Na4 27.Kd6 Be8? 28.Ke7 Bb5 29.Bb5 Nc3 30.Rc1 g6 31.Rc3 Rg2 32.Kf6 h6 33.Rc8 Kh7+– 34.Ne5 Rf2 35.Ke7 Kg7 36.Rf8 Rh2 (37.Rf7 Kh8 38.Ng4 Rc2 39.Nf6 Rc7 40.Bd7 Rd7 41.Kd7 e5 42.Rh7#) 0–1. algernon (2245) – dennism (2160), net–chess.com, 2002.

7.Ba1 Bc5 8.e3 0–0 9.c4 Ne4 10.Be2 c6 11.0–0 dc4 12.Bc4 Nd6 13.Qb3 Qa5 14.bc6?? Qa1–+ 15.h3 Nc6 16.Nc3 Na5 17.Ra1= Nb3 18.Bb3 b6 19.d4 Bb4= 20.Ne2 Bb7 21.Ne5 Ne4 22.Nd7+/– Rd8 23.Nb6 h6 24.Ra7 Bc6 25.Ba4 Ba4 26.Ra4 Be1 27.f3 Bf2? 28.Kf1+– Be3 29.fe4 Rd6 30.Nc4 (30...Rd4 31.Nd4 (31.Ne3?! Ra4 32.Nc3 Ra3+=) 31...Bd4 32.Nd6+–) 1–0. Istvanny – ziggy1 (1605), chesshere.com, 2007.

7.Ba1 Bc5 8.e3 0–0 9.Be2 Bd7 10.0–0 c6 11.bc6 bc6 12.c4 Na6 13.d4 Bd6 14.c5 Bc7?? 15.Ba6+– Qa8 1–0. pumpkin (2255) – gonso (2300), net–chess.com, 2003.

7.Ba1 c6 8.c4 cb5 9.cd5= Nd5 10.e4 Nc7 11.Qb3 Bd7 12.Nc3 b4 13.Na4 f6 14.Bc4?? Qe7 15.0–0?? Qd6 16.d3?? Be7?? 17.e5 Qc6–+ 18.ef6 gf6 19.Nb2 b5 20.Nd4 bc4 21.Nc6 cb3 22.Ne7?? Ke7 23.Rb1 e5 24.Nd1 Be6 25.Ne3 Nb5 26.Nc4 Bc4 27.dc4 Nd4 28.Bd4 ed4 29.Rb3 Nc6 30.Kf1 Kd6 31.Ke2 Kc5 32.Kd3 Ne5 33.Kd2 Kc4 34.Rg3 (34.Rb2 Rg8–+) 0–1. wood – Superiority, Live Game Caissa's Web, 2005.

7.Ba1 Bd6 8.e3 0–0 9.Be2 Bd7 10.0–0 c6 11.bc6 bc6 12.c4 Re8 13.d4 c5 14.cd5 Nd5 15.e4 Nf4 16.Nc3 cd4 17.Qd4 Qc7 18.Re1 Ne2 19.Ne2 e5 20.Qd3 Bg4 21.Rc1 ½–½. Barton – Gutmann, Hockenheim 1994.

7.Ba1 Bd7 8.e3 Bb4 9.Be2 0–0 10.0–0 c6 11.c4 cb5 12.cd5 Nd5 13.Ne5 Bc6=+ 14.d4 Qg5 15.Nd2?? Ne3!–+ 16.fe3 Qg2# 0–1. NN – NN (1615), internet, 2007.

7.Ba1 Bd7 8.e3= c6 9.bc6 bc6 10.c4 Be7 11.Be5 0–0 12.g4 Ng4–/+ 13.Bg7 Nf2?? 14.Rg1+– Re8 15.Bh6 Kh8 16.Ne5 Nd3 17.Bd3 Bh4 18.Ke2 Qf6 19.Bg7 (19...Qg7 20.Rg7 Kg7 21.Qg1 Kf6 22.Qg4+–) 1–0. Medl – Radetzky, corr, 1985.

7.Ba1 Nbd7 8.Bd4 =+.

7.Ba1 Nbd7 8.e3 =+.

6.e3 0–0 7.c4 c6 8.Nc3 Bd7 9.Be2 dc4 10.Bc4 ab5 11.ab5 Ra1 12.Qa1 b6 13.0–0 h6 14.Rc1 Qe7 15.d4 Rc8 16.Be2 Nd5 17.Nd5 ed5 18.Qa2 Qe6 19.Ne5 Be5 20.de5 c5 21.Qa7 c4 22.h3 Re8 23.e4+/– Bb5 24.Bg4 Qg6 25.ed5 h5 26.Bf3 Nd7 27.Qc7 Qf5 28.Re1 Qc2 29.Re2 Qb1 30.Kh2 Qf5 31.e6! fe6 32.de6 Re6 33.Rd2 Qf7 34.Bd5 Nc5 35.Be6 Ne6 36.Qb6 Qf4 37.Kh1 Qe4 38.Bc3 Be8 39.Qb8 Qg6 40.f4 Qf7 41.f5! Nc7 42.Rd8 Kh7 43.Be5 Qf5 44.Qc7 Bf7 45.Bc3 h4 46.Qb8 Bd5 47.Rh8 Kg6 48.Qd6 Qe6 49.Rd8 Bg2 50.Kg2 Qd6 51.Rd6 Kf7 52.Rc6 (52…g6 53.Rc4+–) 1–0. Borrmann,F – Munkwitz,Wolfgang, ETC, 2005.

6.e3 0–0 7.Be2 ab5 8.ab5 Ra1 9.Ba1=+.

6.e3 0–0 7.Be2 Re8 8.d4 c6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5 Bd7 13.Bd3 Nc6 14.c4 Nb4 (14...b6 15.Bc3=) 15.c5 Nd3 (15...Be7 16.Bc3 Nd3 17.Qd3=) 16.Qd3 Bc7 17.Rc1 Qe7 18.Na3 Ra8 19.Nb5 Bb8 20.Bb2 Ne4 21.Qb3 Bc6 22.Nc3 Qe8 23.Rb1 Bc7 24.Qc2 f6 25.Ne4 (25.Ra1 Ra1 26.Ba1 b5=) 25...de4 26.Nd2 Bd5 27.Qd1 b6 28.cb6 Bb6 29.Rc1 Qb8 30.Bc3 Bc7 31.h3 (31.Qh5 Ra2=+) 31...Bh2 32.Kh1 Bd6 33.Rb1 Qf8 34.Rc1 f5 35.Qf1 Ba3 36.Rc2 Qb8 37.Qe2 Qc7 38.Qb5 Rc8 39.Kg1 Qc6 40.Qb1 f4 (40...Bd6 41.Rc1=+) 41.Qe1 (41.ef4!? e3 42.fe3 Bg2 43.Kf2=) 41...f3 (41...Qa4 42.Qb1–/+) 42.Nb1 Bd6 43.Rb2 fg2 (43...Bc7 44.Kh1–/+) 44.Qd1 Bb8 45.Kg2 Qc7 46.Qg1 Rf8 47.Kf1 Qc6 48.h4 (48.Ke1 Bc7–/+) 48...Bd6 (48...Bc7 49.Ke1–/+) 49.Ke1 Bc7 50.h5 e5 (51.Kd1 Ra8–/+) 0–1. Schirmer,Michael – Rohde,Friedhelm, corr 3GMM–Finale, 2000.

6.e3 0–0 7.Be2 Re8 8.d4 c6 9.Nbd2 Bd7 10.Ne5 ab5 11.Nd7 Qd7 12.ab5 Ra1 13.Qa1 cb5 14.Qa5 b4 15.Bb5 Nc6 16.Qa4 Qc7 17.h3 Nd7 18.0–0 Nb6 19.Qb3 Na5 20.Qd3 Rc8 21.Rc1 Nac4 22.Ba1 Nd2 23.Qd2 Nc4 24.Bc4 Qc4 25.Bb2 h6 26.g3 Ra8 27.Ra1 Ra6 28.Qd1 f6 29.Qd3 Ra1 30.Ba1 Qd3 31.cd3 b3 32.Bb2 Bb4 33.Kf1 Kf7 34.Ke2 Ke8 35.f3 Kd7 36.g4 g6 37.Kd1 Kc6 38.Kc1 f5 39.Kb1 h5 40.Kc1 fg4 41.fg4 hg4 42.hg4 Kb5 43.Kd1 Ka4 44.e4 b5 45.Ba1 Ka3 46.Kc1 Ka2 0–1. Lanca,I – Kawaciukova,Z, Praha, 1993.

6.e3 c6 7.Be2= cb5 8.ab5 Qb6 9.0–0 0–0 10.c4 dc4 11.Bf6 gf6 12.Bc4 Bd7 13.Nc3 Rc8 14.d3 Qc7 15.Ne4 Be7 16.Ng3 a5 17.Nd4 f5 18.Qh5 Qe5 19.Qf3 Qc7 20.Rfc1 Bd6 21.Ngf5 ef5 22.Bf7!+– Kf7 23.Rc7 Rc7 24.Qh5 Kg7 25.Qg5 Kf7 26.Nf5 Bf5 27.Qf5 Ke8 28.Qh5 Kd8 29.Qd5 Rd7+/– 30.Qe6 a4? 31.Rc1+– Bc7 32.b6 Bb6 33.Qb6 Ke7 34.Qb4 Kf6 35.Qf4 Kg7 36.Qe5 Kf7 37.Rc4 Nc6 38.Rf4 Kg8 39.Qe6 (39...Kh8 40.Qd7 Ne5 41.Qd6 Nd7 42.Qd4 Kg8 43.Qd7 h5 44.Qf7 Kh8 45.Qh5 Kg7 46.Rf7 Kg8 47.Qh7#) 1–0. Bonetti,Shane (2110) – Munkwitz,Wolfgang (1615), TT–15.56 ETC, 2005.

5.Nc3 a6 6.a4 =+.

5.Nc3 h6 6.e3 a6 7.ba6 Ba6 8.Ba6 Na6 9.0–0 c6 10.d3 b5 (10...Qc7!?=) 11.a4 b4 12.Ne2 Bd6 13.c3 Qc7 14.cb4 Ng4 (Better is 14...Nb4!? 15.Qd2 0–0+=) 15.h3 Nh2 16.Nh2 (16.Bg7? Nf3 17.Kh1 Bf8 18.gf3 Bg7–+) 16...Bh2 17.Kh1 Be5 18.Be5 Qe5 19.b5 Nc5?? (Better is 19...Nb8+–) 1–0. orane (1930) – chacha1, Live Game Caissa's Web, 2003.

5.c4 a6 6.cd5 ed5 7.Bf6 Qf6 8.Nc3 =+.

5.c4 Bb7 6.cd5 Nd5 7.d3 Nf6 8.e4 Be7 9.Be2 0–0 10.0–0 h6 11.Ne5 Bd6 12.Nc4 Bc5 13.d4 Be7 14.e5 Nd5 15.Bf3 f6 16.Bd5 Bd5 17.Ne3= Bb7 18.Ng4 f5–/+ 19.Ne3 Bg5 20.f4+= Be7 21.Nd2 c6 22.a4 c5 23.Qb3 Bd5 24.Nd5 ed5 25.dc5 Bc5 26.Kh1 Kh7 27.Rac1 d4 28.Nc4 Nd7 29.Nd6 Bd6 30.ed6 Nc5 31.Qd5 Ne4 32.Qd4+– Rf7 33.Rc7 Nf6?? 34.Rf7+– Qg8 35.Re7 Rd8 36.Rfe1 Kg6 (37.Qd3 Qf8+–). ida1 – BEACHBUM, Live Game Caissa's Web, 2005.

5.c4 d4 6.d3 (6.Bd4 Bb7 7.Nc3 a6+=) 6...Bb7 (6...Bc5 7.Ba3=+) 7.Nbd2 (7.Nd4 Bb4 8.Nd2 0–0+=) 7...Bb4 (7...Bc5 8.a3=+) 8.e4 (8.Nd4 0–0+=) 8...Nbd7 (8...de3 9.fe3 a6 10.a3=) 9.Be2 (9.Bd4!? a6 10.Rb1+/–) 9...e5= 10.0–0 h6 11.a3 Bd2 12.Qd2 0–0 13.Nh4 Nh7 14.Nf5+/– Nc5 15.Bg4?? Ng5 16.Qe2 Bc8 17.h4 Nh7 18.Bc1 Nb3=+ 19.Bh6? Na1–+ 20.Ng7 Nf6?? 21.Nf5?? Bf5 22.Bf5 Kh8?? 23.Bf8+– Qf8 24.Ra1 Qh6 25.g3 Rg8 26.Kf1 Nh5 27.a4?? Rg7?? 28.a5?? ba5?? 0–1. var – BEACHBUM, Live Game Caissa's Web, 2004.

5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6 5.Nf3).

5.g3 a6=+ 6.a4 ab5 7.ab5 Ra1 8.Ba1 Qd6 9.Bg2 Be7 10.0–0 0–0 11.Qc1 Qb4 12.Nc3 d4 13.Na2 Qb5 14.Nd4 Qa6 15.Nc3 Bb7 16.e4 e5 17.Nf5= Bb4 18.Nd5 Nd5= 19.ed5 f6 20.Qd1 Bc5 21.d4+/– Bd6? 22.Qg4+– g6 23.Nd6 cd6 24.Qe6 Kg7 25.Qd6 ed4 26.Bd4 b5 27.Qc7 Kh6 28.Ra1 Rc8 29.Be3 g5 30.Bg5! (30...fg5 31.Ra6 Ba6 32.Qd6 Kg7 33.Qe7 Kg8 34.Qg5 Kf8 35.Qf6 Kg8 36.Qe6 Kf8 37.d6+–) 1–0. Fischer,Robert J – Ina,D, Cleveland sim, 1964.

5.a4 a6 6.e3 Be7 7.c4 b6 8.Nc3 Bb7 9.cd5 ed5 10.d4 c4 11.Qc2 Bb4 12.Ba3 a5 13.Nd2 Qe7 14.Qb2 0–0 15.Na2 Ba3 0–1. Blasig,Volker – Bestgen, 1980.

5.a4 Bd6=+ 6.c4 d4 7.d3 0–0–/+ 8.g3 b6 9.Nd4 Bb7?? 10.Nf3=+ Nbd7 11.Bg2+= Qc7 12.0–0 e5 13.Nc3+/– Rfe8 14.e4 Rad8+= 15.Nd5 Nd5 16.ed5 Nf6 17.Re1 Bc8 18.a5 Bg4 19.a6 h6 20.h3 Bh5 21.Re3 Nh7 22.Qc2 Re7 23.Nh4 Qd7 24.g4+– Bg6 25.Ng6 fg6 26.Rae1 Rde8 27.Be4 Nf6 28.Bg6 Ng4 29.hg4 (29...Qg4 30.Rg3+–) 1–0. Woschkat,Karl_Heinz – Hornyak,Istvan, CiF, 1991.

5.c4 a6 6.e3 ab5 7.cd5 Bd6 8.Bb5 Bd7 9.Bd7 Qd7 10.Bf6 gf6 11.Nc3 e5 12.Ne4 Ke7 13.Nh4 f5 14.Nd6 Kd6 15.Qf3 e4 16.Nf5 Kd5 17.Qf4 Nc6 18.f3 Rhe8 19.d3! ed3 20.e4 Ke6 21.Ng7 Ke7 22.Qg5 (22...Kf8 23.Nf5+– (< 23.Ne8 Qd4 24.Qg7 Ke8 25.Qd4 Nd4+–); < 22.Ne8 Ke8 23.Qf6 Ra3+/–) 1–0. Woschkat,Karl_Heinz – Scholvin,Erich, DESC Mannschaftscup, 1998.

5.c4 b6 6.e3 Bb7 7.cd5 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.cd5).

5.c4 dc4 6.Na3 Be7 7.e3 0–0 8.Bc4 b6 9.0–0 Bb7 10.Qe2 Nbd7 11.Rac1 Rc8 12.Rfd1 Bd5 13.d3 Qc7 14.e4 Bc4 15.Nc4 Ng4 16.h3 Ngf6 17.d4 Qf4 18.d5 ed5 19.ed5 h6 20.Qe7 Rfe8 21.Qd6 Re4 22.Nfd2 Qd6 23.Nd6 Re7 24.Nc8 Re5 25.Be5 1–0. Luzuriaga – Neumann, Tiger SC, 2000.

5.c4 Bd6 6.Qc2 =+.

5.c4 Nbd7 6.a4 Bd6 7.e3 0–0 8.Qc2 b6 9.Be2 Bb7 10.0–0 dc4 11.Na3 Rc8 12.Nc4 Bb8 13.Rfd1 Qc7 14.d3 Bf3 15.Bf3 Qh2 16.Kf1 Ne5 17.Bb7 Rcd8 18.Ke2 Qh5 19.Bf3 Qf5 20.e4 Qg5 21.Bc1 Qg6 22.Be3 Nfg4 23.Nb2 Rd7 24.Rh1 Rfd8 25.Ra3 Ne3 26.Ke3 Ng4 27.Ke2 Be5 28.Rh4 f5 29.Nc4 Bd4 30.Bg4 fg4 31.Qd1 Qf6 32.Qh1 Qf2 33.Kd1 Bf6 34.Rh7 Rd3 35.Rd3 Rd3 36.Kc1 Bg5 37.Kb1 Rb3 38.Ka1 Bf6 39.e5 Be5 40.Ne5 ½–½. MacDonald – Meade, 1967.

5.c4 Nbd7 6.d3 d4 7.g3 b6 8.Bg2= Bb7 9.0–0 Bd6 10.Nbd2 0–0 11.e4 de3 12.fe3= Qc7 13.Qe2 Ne5 14.Ne5+/– Bg2 15.Kg2 Be5= 16.Be5 Qe5 17.Nf3 Qh5 18.a4 Rad8 19.a5 e5 Black gets strong initiative 20.ab6 ab6 21.Ra6 e4 22.de4+= Ne4 23.Rd1 g5 24.Qc2 g4 25.Nh4 Qe5 26.Rb6 (The passed pawn on b5 will quickly become a dangerous weapon) 26...Rd1 27.Qd1 Qb2 28.Kg1 Nf2 29.Qf1 Nh3 30.Kh1 Qc2 31.Rf6?? Rd8–+ 32.Rf7 Rd1 33.Rf8 Kg7 34.Rf7 Kh6 (35.Rf6 Kh5–+) 0–1. Kuehnmund,Ivan – Rop,Otakar, ARMY–ch13 Prague, 1966.

5.c4 Be7 6.e3 b6 7.d4 Bb7 8.Bd3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 dc4 12.Bc4 0–0 13.0–0 Nbd7 14.Nbd2 Ne4 15.Ne4 Be4 16.Nd2 Bb7 17.e4 cd4 18.Bd4 Nc5 19.Bb2 Ne4 20.Ne4 Be4 21.Qg4 Bg6 22.Rd1 Qc7 23.h4 h5 24.Qe2 Bh4 25.Be5 Qc8 26.Rd6 Qc5 27.Rc6 Bf2 28.Qf2 Qe5 29.Rb6 Qa1 30.Kh2 Qa7 31.Qc5 Rb8 32.Rb8 Qb8 33.Kg1 Qg3 34.b6 Be4 35.Bf1 Qb3 36.Ba6 Qb2 37.Bf1 Qb1 38.Qc8 Kh7 39.Qc5 Kh6 40.Kf2 Qb2 41.Be2 Bd5 42.Ke3 Qe5 43.Kf2 Qb2 44.Ke3 h4 45.Bf3 Qb3 46.Kf2 h3 47.Bd5 ed5 48.gh3 Qb2 49.Kg3 Qe5 50.Kf2 Qf4 51.Ke2 d4 52.Qc6 g6 53.b7 Qe3 54.Kd1 Qd3 55.Kc1 Qa3 56.Kd1 Qb3 57.Kd2 Qe3 58.Kd1 Qd3 ½–½. Hadj Sassi,N – Hahn,B, OBT, 1998.

5.c4 Be7 6.g3 0–0 7.Bg2 a6 8.a4 dc4 9.Ne5 ab5 10.ab5 Ra1 11.Ba1 Qa5 12.Nc3 Qb4 13.0–0 Bd6 14.Nf3 Nd5 15.Qc2 Nc3 16.Bc3 Qb5 17.Rb1 Qd7 18.Ng5 f5–/+ 19.Ba1 b5–+ 20.Qb2 Qe7 21.Nf3 b4 (22.Qa2 Ba6–+) 0–1. algernon (2110) – vladislavk (1675), net–chess.com, 2005.

5.c4 Be7 6.g3 Bd7 7.d3 0–0 8.Nbd2 d4 9.Bg2 Qc7 10.a4 a6 11.0–0 e5 12.Ba3 Bg4 13.b6 Qb6 14.Ne5 Nc6 15.Ng4 Ng4 16.Rb1 Qa7 17.Nb3 Nge5 18.a5 Rad8 19.Qd2 Rfe8 20.Rb2 h6 21.Qf4 Bd6 22.Qh4 Ng6 23.Qh3 Nf8 (withdrawal, 1–0). Kaniak – Chatterjee, email 4AMM–F 1998.

5.Ne5 Bd6 6.e3 Nbd7 7.f4 0–0 8.Qf3 Qc7 (8...c4 9.Be2=+) 9.Nd7= Qd7 (9...Nd7 10.Be2=) 10.Bf6 gf6 11.c4 dc4 12.Bc4 Rb8 (12...f5 13.0–0=) 13.0–0 b6 14.Qg3 Kh8 15.Qh4 Be7 16.f5 Qd2?? (Better is 16...a6 17.a4 Ra8+=) 17.Nd2+– (17...ef5 18.Rad1+–) 1–0. kamret (2200) – RutgersChamp (2055), GameColony.com, 2003.

5.Ne5 Bd6 6.e3 Nbd7 7.f4 Qc7 8.Ng4 Ng4 (8...c4 9.Nf6 Nf6 10.Bf6 gf6 11.Qg4=+) 9.Qg4= Nf6?? (Better is 9...Rg8=) 10.Qg7+– (10...Rg8 11.Qf6+–) 1–0. kamret (2170) – NN, GameColony.com, 2003.

5.Ne5 Bd6 6.f4 Qc7 7.e3=+ d4 (Better is 7...Nbd7!? 8.Ng4 c4=+) 8.ed4+= cd4 9.Bd4 0–0 10.Be2 (10.Qf3 Nbd7 11.Qc3 Nc5+=) 10...b6 (10...Nbd7!? 11.Nc3 Rd8=) 11.0–0 (11.Bf3 Bb7+/–) 11...Bb7 12.Bf3 Bf3 13.Qf3 Nbd7 14.Nd7 Qd7 15.Bf6 gf6 16.Nc3 Kh8 17.Ne4 Be7 18.Qh3 Rg8 19.Rf3?? Qd4–+ 20.Nf2 0–1. var – January, Live Game Caissa's Web, 2004.

5.Ne5 Bd6 6.f4 Ne4 7.Nf3 0–0 8.e3 –/+.

6.e3= de3 7.de3 Qd1 8.Kd1 Nbd7 =.

6.e3= de3 7.fe3 a6 8.Qa4 =.

6.e3= de3 7.fe3 a6 8.ba6 Na6 9.Be5 =.

6.e3= de3 7.fe3 Bd6 8.Be2 Nbd7 9.d4 Qc7 10.Nc3 e5 11.Qc2 ed4 12.ed4 cd4 13.Nd4 Nc5 14.Bf3 Bf4 15.Nd5 Nd5 16.Bd5 0–0 17.Kf2 Be6 18.Nf3 Bd5–/+ Black launches an attack 19.cd5 Rfe8 20.Rae1 Ne4!–+ 21.Qe4 Re4 22.Re4 Qc2 23.Re2 Qc5 24.Bd4 Qd5 25.Rhe1 Qb5 26.Ba7 h6 27.Bd4 Qc4 28.Re8 Re8 29.Re8 Kh7 30.Re2 g5 31.g4 h5 32.h3 h4 33.Rb2 b5 34.Re2 Bg3 35.Kf1 Qd3 36.Be3 Qd1 37.Ne1 Be1 38.Re1 Qf3 (39.Kg1 Qg3 40.Kf1 Qh3 41.Kf2 Qg3 42.Ke2 Qg4 43.Kd2 Qc4–+) 0–1. Finogenov,Mikhail – Tanaev,Viktor, Tula–ch Region, 2002.

6.e3= de3 7.fe3 Be7 8.Be2 0–0 9.0–0 b6 10.Ng5+= Nbd7 11.Qc2 h6 12.Bf3 Rb8 13.Nh3 Bb7 14.d3 Qc7 15.Nf4 Bd6 16.Bb7 Rb7 17.g3 Ng4 18.Qe2 Be5 19.d4 Bf4 ½–½. Horvath,Kalman – Bencsik,Pal, corr, 1991.

6.e3 Be7 7.c4 0–0 8.d4 Na5 9.cd5 (9.c5?! b6!=/+) 9...ed5 10.Nc3 Nc4 (10...Bf5 11.Bd3= (11.Ne5 Qb6)) 11.Bc4 dc4 12.Qe2 (12.0–0 b5!?unclear) 12...b5!? 13.a3 (13.0–0 b4+/–; 13.Nb5!? Qa5 14.Nc3 Bb4 15.Rc1 (15.Qc4 Ba6 16.Qb3 Ne4+/–) A) 15...Bf5 16.Ne5 Ne4 17.a3=; B) 15...Ne4 16.Qc2 (16.a3? Bc3 17.Bc3 Nc3 18.Qd2 Rb8! 19.Ne5 Rb3 20.Nc4 Qb5–+) 16...Bf5 17.a3=; C) 15...Qa2 16.0–0 Bc3 17.Rc3 Rb8! 18.Rc2 Bf5+/– 19.Rd2 (19.Ra1 Qb3 20.Rd2 c3–+) 19...Bd3 20.Ra1 Qa1 21.Ba1 Be2 22.Re2 Rb1 23.Re1 Re1 24.Ne1 Rb8) 13...a6 14.0–0 Re8 (14...Bb7!?) 15.Rfe1 Bb7 (15...Bd6!?) 16.e4 Rc8! 17.Qc2 (17.e5 Nd5 18.e6 Nf4 19.ef7 Kf7 20.Ne5) 17...Qd7 18.Rac1 (18.Ne5? Qd4 19.Nb5? Qc5–+; 18.e5 Bf3 19.gf3 (19.ef6? Qg4–+)) 18...Bd6!? (18...a5 19.Ne5!? Qd4 20.Nb5unclear) 19.Rcd1 Nh5 20.e5 Bf3 21.gf3 Qh3 22.Qe4! Bb8 23.Kh1 Kf8 24.Re3 f5 25.f4 fe4 26.Rh3 Nf4 27.Rh7 Kg8 28.Rh4 Nd3 29.Rd2 Red8 30.Ne4 Nb2 31.Rb2 Rd4 32.Nf6 gf6 33.Rd4 Be5 34.Rg4 Kf7 35.Rc2 Rh8 36.f4! Bd6 37.a4 Re8 38.Kg2 Re4 39.ab5 ab5 40.Kf3 Rd4 41.Ke3 Bc5 42.Rd2 Rd5 43.Ke2 Rf5 44.Rh4 Ke6 45.Kf3 Rd5! 46.Re2 Kd6 47.Rh8 Rd3= 48.Kg4? Kd5 49.Rh5 Kd4 50.Re8! b4! 51.Rd8 Kc3 52.Re8 Bd4 53.Rb8 b3 54.Rhb5! Rd2! (54...Kc2? 55.Rb4!; 54...Kd2? 55.Rc8!) 0–1. Heyn – Gross, corr 3GMM½–06 1997–98 (Gross).

6.e3 Be7 7.c4 Qb6 8.Bc3 (8.Qb3) 8...0–0 9.a4 Bd7 10.a5 Idiotyczna idea, pion zaraz zginie... 10...Qc7 11.Be2 dc4 12.Bc4 Ne4 13.0–0 Nc3 14.Nc3 Na5 15.Bd3 Bf6 16.Rc1 Nc6 17.Ne4 Be7 18.Nd4 Qb8 19.Ng3 Nd4 20.ed4–+ g6 21.Ne4 Bc6 22.Qb3 Qf4 23.Rce1 Bd5 24.Qb2 f5 25.g3 Qc7 26.Nc3 Qd7 27.Re3 Bf6 28.Ne2 b6 29.Ba6? Rab8 30.Re1 b5 31.Nf4 (31.d3 Rb6 32.Ra1 Qd6 33.Bb5 Rfb8 34.Nc3 a6 35.Ra4 Bg5 36.Re5 ab5) 31...Rb6 32.Ra3 Bc4 33.d3 Bd5 (33...b4 34.Bc4 ba3 35.Qb6 (35.Be6?? Qe6 36.Ne6 ab2) 35...ab6 36.Be6 Qe6 37.Ne6 Re8–+ Liczylem ten wariant, lecz odrzucilem go, nie dopatrzylem do konca gdzie mam) 34.Ra5 Bc6!? (34...Rfb8 35.Qb4 Qd6 36.Qd6 Rd6 37.Rb5 Rb5 38.Bb5 Bd4 39.Nd5 Rd5 40.Bc4 Rd6unclear) 35.Re6 (35.Ne6 Qd5!; 35.Qb3! Bd5 36.Qb2 Bc6 37.Qb3 Qd4 38.Qe6 Kh8 39.Qe3 Qc3–+) 35...g5 36.Rc6 Qc6 37.Qb3 Kh8 38.Bb5 Rb5 (38...gf4 39.Bc6 Rb3) 39.Rb5 gf4 40.Rf5 fg3 41.hg3 Qd7 42.Qb4 Qe7 43.Rc5 Qf7 44.Rf5 Qe7 (44...Be7 45.Rf7 Bb4 46.Ra7 Rd8 47.Kf1 Rd4 48.Ke2 Mialbym problemy z wygrana...) 45.Qc3 Rd8 46.Rf4 Qd6 47.Qa5 Bd4 48.Qf5 Qg6 49.Qa5 Qg3 50.Kf1 Qd3 51.Kg2 Rg8 52.Kh2 Qf1 53.Rg4 Qf2 54.Kh3 Qf3 55.Kh2 Qg4 56.Qg5 Rg5 57.Kh1 Qg1 0–1. Radwan,Jan (2000) – Saweczko,Tomasz (1800), Rabka Zdroj, 2002.

6.e3 Be7 7.Be2 Qb6 8.Qc1 Bd7 9.0–0 Rc8 10.Na3 a6 11.c3 0–0 12.Nc2 Ne4 13.Ba3 Ba3 14.Qa3 Qc7 15.Rfd1 Na5 16.Rac1 Nd6 17.Qb4 Bb5 18.Bb5 Nb5 19.Na3 Nd6 20.Rb1 Nc6 21.Qb6 Qe7 22.Nc2 Rc7 23.Nb4 Rfc8 24.Nc6 Rc6 25.Qb3 Rc5 26.Ne5 Rb5 27.Qa3 Qc7 28.Rb4 f6 29.Nf3 Rb4 30.Qb4 e5 31.Qg4 Qf7 32.h3 Rc4 33.Qg3 Ne4 34.Qh2 Ra4 35.Ra1 Qc7 36.h4 Qb6 37.Qh3 Qc6 38.h5 b5 39.Qf5 Qe8 40.d4 Nd6 41.Qh3 Ne4 42.de5 fe5 43.Qf5 h6 44.Ne5 Nc3 45.Nd3 Qc6 46.Nf4 d4 47.Ne6 Qd6 ½–½. Autengruber – Sellmayer, Johann, NB MII, 1993.

7.Nc3 0–0 8.Nb5 Bb8 9.Nbd4 Qe7 (9...Na5 10.Ba3 Re8 11.Bb5=+) 10.Nc6= bc6 11.Ne5 Bb7 12.Rb1 Bd6 13.Be2 Rab8 14.0–0 Ne4 (14...Ba8 15.d4=) 15.d3= Qc7 (15...Nc5 16.d4 Be5 17.de5=) 16.de4 Be5 17.Be5 Qe5 18.ed5 cd5 19.Qd4 Qd4 20.ed4 Bc6 21.Rfe1 g6 22.a3 Kg7 23.Bd3 Kf6 24.f4 Ke7 25.Kf2+= Kd6 26.Rb8 Rb8=+ 27.Ke3 Rb2 28.Ra1 a5 29.Kd2 Ba4 30.g4 Kc6 31.g5+= Rb6 32.Kc3 Bb5 33.Rb1+= Bd3 34.Rb6 Kb6 35.Kd3 Kb5 36.Kc3 a4? 37.Kd3+– Ka5 38.c4 Kb6 39.c5 Kb5 40.Kc3 Ka5 41.h3 Kb5 42.Kc2 Ka5 43.h4 Kb5 44.Kc3 Ka5 45.Kd3 Kb5 46.Kd2 Kc6 47.Kc3 Kb5 48.Kd3 Kc6 49.Kc2?? Kb5 50.Kc3?? Ka5 51.c6 Kb6 52.Kb4 Kc6 53.Ka4 Kb6 54.Kb4 Kc6 55.Ka5 Kb7 56.Kb5 Kc7 57.Ka6 Kc6 58.a4 Kc7 59.a5 Kc6 60.Ka7 Kc7 61.Ka8 Kc8?? 62.a6+– Kc7 63.Ka7 Kc8 64.Kb6 Kb8 65.Kc6 Ka7+/– 66.Kd6 Ka6 67.Ke7 Kb6 68.Kf7 Kb5 69.Ke6 Kc4 70.Ke5 Kd3 71.Kd5 Ke3 72.Ke5 Kf3 73.d5 Kg4 74.d6 Kh4 75.d7 Kg4 76.d8Q Kh4 77.Qh8 Kg4 +–. b4_player (2215) – Leran (2005), GameColony.com, 2003.

7.Nc3 a6 8.Be2=+.

7.c4 0–0 8.Nc3 Bb4 9.Be2 dc4 10.Bc4 e5 11.0–0 Bg4 12.Qb3 Bf3 13.gf3 Qe7 14.Be2 Nd7 15.Nd5 Qd6 16.Nb4 Nb4 17.d4 ed4 18.Rad1 Nc6 19.Bd4 Qg6 20.Kh1 Nd4 21.Rd4 Nc5 22.Qc3 Ne6 23.Rg4 Rac8 24.Qe5 Qc2 25.Bd1 Qa2 26.f4 f6 27.Qh5 f5 28.Rg3 b5 29.Rfg1 Rc7 30.e4 Nf4 31.Qh6 Ng6 32.Qh5 Qe6 33.Rh3 Rf6 34.Qh7 Kf8 35.Bb3 Rc4 36.e5 Qc6 37.f3 Re6 38.Bc4 bc4 39.Rhg3 Kf7 40.h4 f4 41.R3g2 Qf3 42.Kh2 Ne7 43.Qg7 Ke8 44.Qh8 Kd7 45.Rd2 Nd5 46.Qa8 Re5 47.Rg7 1–0. Kossobudzki – Buczinski, corr 2. AMM Poland, 1992–94.

7.Be2 0–0 8.0–0 e5 9.d4 e4 10.Ne5 Qc7 11.Nc6 Bh2 12.Kh1 bc6 13.g3 Bg3 14.fg3 Qg3 15.Rf6 Qh4 16.Kg1 Qf6 17.Bf1 Qg5 18.Bg2 Qe3 19.Kh2 Qh6 0–1. Adamowski – Furlepa, corr AMM Poland 1990–91.

7.Be2 0–0 8.0–0 Re8 9.d4 e5 (9...Qc7!?=+) 10.de5+= Ne5 11.Ne5 Be5 12.Be5 Re5 13.Nd2 (13.Nc3 Qb6=) 13...b6 (13...Bf5 14.Nf3 Re8 15.Bb5=) 14.Nb3 Bb7 15.Nd4 Rg5 16.Bf3 Ne4 17.Qd3 Qd7 18.c4 Rg6 19.cd5+= Ng5 20.e4+/– Re8 21.Rfe1 Nh3 22.Kf1 Ng5 23.Bd1 Qa4?? 24.Ba4+– 1–0. EagleFever – MVLfan, Live Game Caissa's Web, 2004.

5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3).

5.e3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3).

5.e3 b6 6.c4 Bb7 7.Be2 Nbd7 8.0–0 Be7 9.a4 0–0 10.Nc3 (–--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4 Nbd7 10.Nc3).

5.e3 Bd6 6.c4 Nbd7 7.Nc3 0–0 8.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.Nc3).

5.e3 Nbd7 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Nbd7 6.Nf3).

5.e3 Be7 6.c4 0–0 7.Be2 a6 8.a4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Be7 6.c4 0–0 7.Be2 a6 8.a4).

5.d4 Bb6 6.e3 0–0 7.c4 c5 8.dc5 Bc5 9.Be2 Ne4 10.0–0 a6 11.cd5 ed5 12.ba6 Na6 13.Nc3 Be6 14.Nd4 Nc3 15.Bc3 Nc7 16.Ne6 Ne6 17.Bf3 Ra3 18.Bb2 Ra8 19.Qd5 Qa5 20.Rfd1 (20.Qb7 Rab8 21.Qd5 Rb2–+) 20...Rab8 (20...Rfd8 21.Qf5 (21.Qb7?! Rab8 22.Rd8 Qd8=+) 21...Bd6 22.Qa5 Ra5 23.Bc3–/+ (23.Bb7?! Rb5=)) 21.Qe5 f6?? (Better is 21...Rfd8+–) 22.Qe6 Kh8 23.Be4 Ba3 24.Rd5 Qb4 (24...Qd5 25.Bd5 Bb2 26.Rb1+–) 25.Rh5 Qb2 (25...h6 26.Rh6! gh6 27.Bf6 Rf6 28.Qf6 Kg8 29.Bd5 Kh7 30.Qf5 Kg7 31.Qe5 Kg6 32.Qb8 Qe7+–) 26.Rh7 1–0. Bonetti,Shane – Pasway, ICC, 2002.

5.d4 Bb6 6.e3 c6 7.c4 cb5 8.cb5 0–0 9.Be2 a6 10.0–0 ab5 11.Bb5 Bd7 12.a4 Bb5 13.ab5 Ra1 14.Ba1 Nbd7 15.Nc3 Qc7 16.Qd3 Ba5 17.Rc1 Bc3 18.Rc3 Qb6 19.Rc1 Ne4 20.Bb2 Ndf6 21.Ne5 Qd6 22.Ba3 Nf2 23.Kf2 Ne4 24.Ke2 Qb8 25.Bf8 1–0. guest269 – guest1432, ICC, 2002.

5.d4 Bd6 6.Nc3 c6 7.e3=+ Bd7 8.a4 0–0 9.Be2 b6 10.0–0 a6 11.Ne5 c5 12.Nd7 Nfd7 13.Qd3 c4 14.Qd2 Nf6 15.Bf3 Nbd7 16.ba6+= Ra6 17.Nb5 Be7 18.Bc3 Re8 19.g3 Nf8 20.Qe2 Ng6 21.Rfb1 Qd7 22.h4 Rea8=+ 23.e4 Ra4 24.Ra4= Ra4 25.e5 Ne8 26.Bd2 Nc7 27.Nc3 Rb4 28.Qd1 Nb5 29.Nb5= Rb5 30.h5 Nf8 31.h6 Ng6 32.hg7 Kg7= 33.c3 Rb1=+ 34.Qb1 Qc6 35.Kg2 b5 36.Bh5 Nf8 37.Qb2 Nd7 38.Qa1 Qb7 39.Qb1 Nb8?? 40.Qd1 Bf8+/– 41.Qg4 Kh8 42.Qf4 Nc6?? 43.Bf7 Qe7 44.Be6! (44...Qg7 45.Bd5+–) 1–0. Garfield85 (1940) – CHED, chesshere.com, 2006.

5.d4 Be7 6.e3 a6 7.c4 Bd7 8.Nc3 0–0 9.ba6 Na6 10.Ne5 Nb4 11.a3 Nc6 12.Qf3 Bd6 13.Nd7 Qd7 (14.cd5 Nd5 15.Nd5 ed5=).

5.e3 0–0 6.d4 Be7 7.c4 a6 8.Ba3 ab5 9.Be7 Qe7 10.cb5 Nbd7 11.Nc3 e5 12.de5 Ne5 13.Be2 Nf3 =+.

5.e3 0–0 6.Be2 a6 7.ba6 b6 8.0–0 =.

5.e3 0–0 6.Be2 c6 7.0–0 a6 8.ba6 Na6 9.d4 Bd6 10.Nbd2 Qc7 11.c4 dc4 12.Nc4+= b5 13.Nd6+/– Qd6 14.a4 ba4 15.Ra4 c5? 16.dc5+– Qc5 17.Bf6 gf6 18.Qa1 Qf5 19.Ba6 (19...Ba6 20.Ra6 Ra6 21.Qa6+–; < 19.Ra6 Ba6 20.Ba6 Rfb8=+) 1–0. Rosner,Dirk – Borchard,Sandra, Tiger SC, 2000.

5.e3 0–0 6.Be2 Re8 7.0–0 Bd6 8.d4 Nbd7 9.c4 c6 10.c5+= Bc7 11.a4 Ng4 12.h3+= Nh6 13.Qc2 f5 14.Ne5 Qh4 15.Nd2 Qf6 16.f4+/– Ne5 17.de5 Qe7 18.Bd4+/– Bd7 19.Rab1 Nf7 20.b6 ab6 21.cb6 Bd8 22.Bc5 Qh4+= 23.Nf3 Qg3 24.Ra1 g5 25.Nh2 Kg7 26.a5+/– Kg6 27.Qb3 gf4 28.Rf3 Qh4 29.ef4 Be7?? 30.Bf2+– Qh6 31.Rg3 Bg5 32.fg5 Qg7 33.Bd4 Nd6 34.Qf3 Ne4 35.Qh5# 1–0. Kleinke,Uwe – Fleischer, Schwerin, 1979.

5.e3 c6 6.a4 Bd7 7.c4 dc4 8.Bc4 0–0 9.0–0 Qb6 10.Nc3 cb5 11.Nb5 a6 12.Bf6 ab5 13.ab5 Ra1 14.Ba1 Bb5 15.Bb5 Qb5 16.Nd4 Qd3 17.Qg4 Qg6 18.Qf3 Bd4 (19.Bd4 Nc6=). pumpkin (2255) – sgbrito (2320), net–chess.com, 2003.

5.e3 Bd7 6.a4 c6 7.Ne5 cb5 8.ab5 Qc7 9.Be2 Bd6 10.f4+= Ne4 11.d3 Nc5 12.Nd7 Qd7 13.Nd2+= f6 14.Bh5 g6+= 15.Bg4 Qb5 16.Bf6 Rg8 17.0–0 Nbd7 18.Rb1 Qc6+= 19.Bg5 Be7 20.Be7 Ke7 21.e4 de4 22.de4 Ne4? 23.Ne4+– Qe4 24.Re1 Qf4 25.Re6 Kd8 26.Rb7 Rg7 27.Rd6 Qe3 28.Kh1 Re7 29.Rdd7 Rd7 30.Qd7 1–0. pumpkin (2145) – deafchess (2070), net–chess.com, 2003.

5.a4 Bb4 6.e3 cb5 7.ab5 b6 8.Be2 a5 9.ba6 Ba6 10.Ba6 Ra6 11.Ra6 Na6 12.Bf6 Qf6 13.c3 Bd6 14.Qa4 Ke7 15.Qa6 Rb8 16.Nd4 Kd7 17.Qb5 Ke7 18.Nc6 Kf8 19.Nb8 Bb8 20.Qb6 Be5 21.d4 Bf4 22.ef4 Qf4 1–0. hal1958 – leroy43, playchess.de, 2002.

5.a4 Bc5 6.e3 0–0 7.c4 Re8 8.Qb3 Nbd7 9.d4 dc4 10.Bc4+= Bb6 11.0–0 cb5 12.Bb5 a6 13.Bc4 Nf8 14.Nc3+= Bc7 15.Rad1 Qe7 16.Ba3 Bd6 17.Bb2 Ng4 18.h3 Nh6 19.e4 e5?? 20.Nd5+– Qd8 21.de5 Bc7 22.Nf6! gf6 23.Rd8 Rd8 24.ef6 Be6 25.Be6 fe6 26.Ne5 Rab8 27.Qg3 Ng6 28.Ng6 Nf7?? 29.Ne7 (29...Kh8 30.Qg7#) 1–0. Frantz,JW – Crist,K, Detroit Amateur North op–B, 1999.

5.a4 Bc5 6.e3 0–0 7.Be2 Nbd7 8.0–0 Qb6 9.d4 Bd6 10.Nbd2 Qc7 11.c4 Re8 12.c5 Bf8 13.a5 cb5 14.Bb5 a6 15.Bd3 Nb8 16.Ne5 Nc6 17.Ndf3 Nd7 18.Nc6 Qc6 19.Qc2 f5 20.Nd2 Nf6 21.Nf3 Bd7 22.Ne5 Qc7 23.Nd7 Qd7 24.f3 Rac8 25.Rfb1 g6 26.Bc1 e5 27.Rb6 Re6 28.Rab1 e4 29.fe4 Rb6 30.Rb6 Ne4 31.Qb1 Rc7 32.Be4 fe4 33.Bd2 Qa4 34.h3 Rf7 35.Rb2 Qd7 36.Qe1 ½–½. CountFromHolland – Felix, playchess.de, 2002.

5.a4 Bd6 6.Be5 =+.

5.a4 Be7 6.e3 Bd7 7.c4 cb5 8.ab5 0–0 9.Nc3 Qc7 10.Qb3 dc4 11.Bc4 a6 12.0–0 Rd8 13.d4 Bd6 14.Rfc1 Be8 15.e4 Nfd7 16.e5 Bf8 17.Ne4 Qb6 18.d5 Nc5 19.Nc5 Bc5 20.de6 Bf2 21.Kh1 fe6 22.Be6 Kh8 23.Ng5 Be3 24.Rf1 Bg6 25.Nf7 Bf7 26.Bf7 Nd7 27.e6 Nc5 28.Qe3 Rd3 29.Qe5 1–0. Daniszkowicz – Rakowski, Olsztyn 1961.

5.bc6 Nc6 6.e3 Bd6 =+.

5.e3 a6 6.a4 Bd6 =.

5.e3 a6 6.a4 Bd7 7.c4 dc4 8.ba6 b5 9.ab5 cb5 10.Be2 Ra6 11.0–0 Be7 12.d3 cd3 13.Qd3 Ra1 14.Ba1 Qa5 15.Nbd2 0–0 16.Ng5 Qa3 17.Qa3 Ba3 18.Rb1 b4 19.Bf6 gf6 20.Nge4 Kg7 21.Nd6 Nc6 22.N2c4 Rb8 23.Bd1 Kf8 24.Na3 ba3 25.Rb8 Nb8 26.Bb3 Ba4 27.Bc4 Nc6 28.Ne4 Nb4 29.Nc3 Bc6 30.e4 Ke7 31.Kf1 Kd6 32.Ke2 Kc5 33.Bb3 Bb5 34.Kd2 Bc4 35.Na4 Kd4 36.Bc4 Kc4 37.Kc1 Nd3 38.Kc2 a2 0–1. Garcia Salas,FJ – Malo,JL, Austria, 1994.

5.e3 a6 6.c4 ab5 7.cb5 Be7 8.bc6 Nc6 9.Bb5 0–0 10.0–0 Qb6 11.a4 Na5 12.Bd4 Qc7 13.Ra2 Nc4 14.Rc2 Qb8 15.Bc4 dc4 16.Rc4 Bd7 17.Ne5 Be8 18.Nc3 b5 19.ab5 Bb5 20.Nb5 Qb5 21.Qc2 Nd5 22.Nc6 Ba3 23.d3 Nb4?? (Better is 23...Ne7+–) 24.Nb4 Bb4 25.Rb1 Qa4 26.Qa4 Ra4 27.Rcb4 Ra2 28.g3 h6 29.h4 Kh7 30.Rb7 f6 31.f4 Rd2 32.Rc7 Ra8 33.Bf6 Kg6 34.Bg7 Raa2 35.g4 Rg2 36.Kf1 Raf2 37.Ke1 Re2 38.Kd1 Ref2 39.h5 Kh7 40.Bf6 1–0. Bonetti,Shane – Drago7, ICC, 2002.

5.e3 a6 6.bc6 Nc6=+ 7.d3 Bd6 8.Be2 Qc7 9.Nbd2 e5 10.c4 h6 11.cd5 Nd5 12.Rc1 Be6 13.0–0 Qb8 14.a3 0–0= 15.Ne4 Bc7 16.h3 Qe8 17.Nc5 Bc8 18.Qb3 Nde7 19.Rfd1 Ng6 20.d4+= b6 21.Na4 Bd7 22.Nc3 ed4 23.Nd4 Nd4 24.Rd4 Qe5= 25.g3 Bh3 26.Bf3 Rac8 27.Ne2 Be6=+ ½–½. Sulak,Edward – Mierzynski,Jaroslaw, corr Tch19–Poland, 1992.

5.e3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 b6 9.d4 Bb7 10.a4 a6 11.dc5 Bc5 12.cd5 Nd5 13.Nc3 ab5 14.ab5 Ra1 15.Qa1 Nd7 16.Nd5 Bd5 17.Bg7 Re8 18.Bd4 Qe7 19.Bc5 Qc5 20.Rc1 Qe7 21.Qd4 Ra8 22.e4 Bb7 23.Rc7 Bc8 24.Bc4 Qd8 25.Rc6 (Black forfeits on time, 1–0). Bonetti,Shane – zipa, ICC, 2002.

5.e3 c5 6.Be2 a6 7.Ne5 Be7 8.ba6 Na6 9.Bb5 Kf8 10.0–0+= Nc7 11.Be2 h5 12.Nc3 Nd7 13.f4 Nf6 14.Qb1 d4 15.ed4 Qd4 16.Rf2 Qd2? 17.Nf7!+– Qd7?? 18.Nh8 (18…Qe8 19.Bd3+–) 1–0. b4_player (2160) – holon (1815), GameColony.com, 2002.

5.e3 Bc5 6.Ne5 0–0 7.Qf3 (7.a4 Nfd7=) 7...Nbd7 (7...cb5 8.Be2–/+) 8.bc6 Ne5 (8...bc6!? 9.Nd7 Nd7=+) 9.Be5= Be7 (9...bc6!? 10.Bf6 Qf6 11.Qf6 gf6=) 10.c7–/+ Qd7 11.Nc3 b6?? (Better is 11...a6+=) 12.Bb5+– Qb5 13.Nb5 Ba6 (13...Ne4 14.Rb1+–) 14.Nd4 Rac8 (14...Bb7 15.Qg3+–) 15.Nc6 Bc5 16.Bf6 gf6 17.Na7 Rc7 18.Qg3 Kh8 19.Qc7 Rg8 20.Qf7 Rg2 21.Qf6 Kg8 22.Qe6 Kf8 23.Qf6 Ke8 24.Nc6 Kd7 25.Nb8 1–0. b4_player (1830) – serbkiller (1870), GameColony.com, 2002.

5.e3 Bd7 6.a4 cb5 7.ab5 Qb6 8.Nc3 a5?? 9.Nd4?? e5= 10.Na4 Qd8 11.Nb3 Bf5 12.Be5+/– Nbd7 13.Bd4 Qc7 14.b6 Qc2+= 15.Bb5 Rc8? 16.Rc1 Qd1+= 17.Kd1 Rc1 18.Kc1 Be7? 19.Na5+– 0–0 20.Nb7 Rc8 21.Kd1 Bc2 22.Ke2 Ba4 23.Ba4 Rb8 24.Bc6 Rc8 25.Na5 Nb8 26.Rc1 Bb4 27.b7 Rc7 28.Bb6 Re7 29.Bd5! Ba5 30.Ba5 Nbd7 31.Rc8 Re8 32.Bc6 Rf8 33.Bb4 1–0. pumpkin (2520) – fraczena, net–chess.com, 2004.

6.ab5= a6 7.ba6 ba6 8.e3 Bd6 =.

6.ab5= a6 7.c4 dc4 8.e3 Qc7 (8...Nbd7 9.Bc4 Nb6 10.Be2=) 9.Nc3 (9.Ra4 Bd7 10.Nc3 Bd6=) 9...Bb4 (9...Nbd7 10.ba6 ba6 11.d3=+) 10.Be2 Nbd7 11.0–0 0–0=+ 12.Qa4 Bc3 13.Bc3=+ Nb6 14.Qb4 Nfd5–/+ 15.Qb2 Nc3 16.Qc3 Bd7 17.ba6=+ ba6 18.Ne5 Bb5 19.Rfc1 Nd5 20.Qd4= Rfd8 21.Bc4 Bc4 22.Qc4?? Qe5–+ 23.e4? Nf4 24.g3 Nh3 25.Kg2 Ng5 26.f4 Qe4 27.Qe4 Ne4 28.Rc7 Rd2 29.Kh3 Nf6 30.Rb1 (30…h5 31.Rbb7–+; 30.Ra6 Rdd8 31.Ra8 Ra8 32.Kh4–+). bby – goshawk58, Live Game Caissa's Web, 2004.

6.ab5= a6 7.e3 a5 8.Be2 b6 9.0–0 Be7 10.c4 dc4 11.Bc4 0–0 12.d3 Nbd7 13.Nd4 Bb7 14.Be6 fe6 15.Ne6 Qc8 16.Nf8 Qf8 17.e4 Nc5 18.f3 Nfd7 19.d4 Ne6 20.Qc2 Rc8 21.Qb3 Qf7 22.Nd2 Nf4 23.d5 1–0. Bendig – Rexin, corr 1993.

6.ab5 Bc5 7.d4 Bb6 8.e3 0–0 9.Bd3+= h6 10.Ne5 Nbd7 11.Ng6?? fg6–+ 12.Bg6 Bc7 13.Ba3–/+ Nb6 14.Bf8 Qf8 15.Nd2 Bd7 16.Qe2 Be8 17.Bd3 Bh5 18.f3 Bd6 19.g4=+ Bf7 20.h4 Bb4 21.g5=+ Bd2 22.Kd2 Nh7 23.gh6 gh6 24.Bh7?? Kh7–/+ 25.Rhg1 Nc4 26.Kc3 Bh5–+ 27.Qd3 Kh8 28.Rg3?? a5 29.Rag1 Qb4 0–1. bvboucher (2025) – tomy (2180), net–chess.com, 2005.

6.ab5= Bd6 7.Bd4 =.

6.ab5 Nbd7 7.e3 Be7 8.Be2 0–0 9.0–0 b6 10.Nd4 Bb7 11.f4 Qc7 12.g4 h6 13.Qe1 Nc5 14.h4 a6=+ 15.g5 hg5 16.hg5 Nfe4 17.Qh4 Ng5?? 18.fg5+– Ne4 19.Nf3 Qg3 20.Qg3+/– Ng3 21.Rf2 Ne2 22.Re2 ab5 23.Ra8 Ra8 24.Bd4 Ra2 25.d3 b4 26.Kf2 b5 27.Ke1 f6 28.gf6 gf6+– 29.Kd1 e5+/– 30.Ne5 fe5=+ 31.Be5 Kf7 32.Nd2 Ke6 33.Bd4 Bf6 34.Nb3 Bc8 35.Rg2 Ke7 36.Bc5 Kf7 37.Bb4 Bf5 38.Kd2+= Ra4 39.Bc3 Bc3 40.Kc3 Ra2 41.Nd4 Bd7 42.Rg5 Be6 43.Re5 Ra6 44.Re6 Re6 45.Ne6 Ke6 46.Kb4 (46...Ke5 47.e4+–) 1–0. Franco Raymundo,Eduardo – Avendano,JF, Albacete–ch, 1991.

6.e3= a6 7.Nc3 cb5 8.ab5 Bd6 =.

6.e3 a6 7.Be2 =.

6.e3= a6 7.Ne5 ab5 8.ab5 Ra1 9.Ba1 Qa5 (9...Bd6 10.Bd4=) 10.Bc3+= Bb4 11.bc6 bc6 12.Bb4 Qb4 13.c3 Qa5 (13...Qd6 14.d4=) 14.d4 0–0 15.Bd3 c5 16.0–0 cd4 (16...Nc6 17.c4=) 17.cd4 Bb5 18.Bb5 Qb5 19.Nc3 Qa5 20.Qa1 Qa1 21.Ra1 Nbd7 22.Nc6+= g6 23.Nb5 Kg7 24.Nd6 Ne4 25.Nb7 Nb8 26.Ne5 f6 27.Nd3 Rf7 28.Nd8 Re7 29.f3 Ng5 30.Ra8 Nd7 31.h4 Nf7 32.Nc6 Nb6 33.Ra6 Rb7 34.Nc5 (34…Nc5 Rd7 35.Ne6 (< 35.Rb6 Rd6+–) 35...Kh6 36.Rb6+–) 1–0. Czuczai,J (2175) – Temes,S (2120), tt–HUN2 Gyor–BEAC, 1996.

6.e3 cb5 7.ab5 b6 (7...Bd6 8.Be5 Be5 9.Ne5=) 8.c4 (8.Be2 Bd6+=) 8...dc4 9.Bc4 Qc7 (9...a5 10.0–0+=) 10.Qb3 Be7 11.0–0 0–0 12.Rc1 Qb7 13.d3 Rc8 14.Nbd2 Be8 15.Ne5 Nbd7 16.Nc6 Nc5 17.Ne7 Qe7 18.Qa3 Qd8 19.d4 Nce4 20.Ne4 Ne4 21.Bd3 Nd6 22.Qb4 Qd7? 23.Ba3+– Rd8 24.Rc6 Qc6 25.bc6 Bc6 26.f3 Rab8 27.Qc3 (27...Rbc8 28.Bd6 Rd6 29.Ra7+–) 1–0. Bulcourf,Carlos (2215) – Chiappano,Marcelo, Siembra Villa Ballester op, 1996.

6.e3 Be7 7.c4 Qb6 8.a5 (8...Qd8 9.a6 ba6 10.ba6=). pumpkin (2255) – alexanderm (2300), net–chess.com, 2003.

6.e3= Be7 7.Be2 =.

6.e3 g6 7.c4 Bg7 8.d4 0–0 9.Be2 a6 10.Nc3 cb5 11.ab5+= b6 12.Ba3 Re8+= 13.Bd6 a5 14.c5 Bf8 15.Bf8+– Rf8 16.c6 Qc7 17.0–0 Nc6 18.bc6 Bc6 19.Nb5 Bb5 20.Bb5 Rfc8 21.Ne5 Qd6 22.Qf3 Ra7?? 23.Qf6 (23...Qe7 24.Qe7 Re7 25.Rfb1+–) 1–0. Kleinke,Uwe – Haenecke, corr DDR–ch I749, 1980.

6.Bb5 Nc6 7.c4 a6 8.Bc6 bc6 9.Ne5 Bd7 10.0–0 Rb8 11.Qc2 Bd6 12.cd5 cd5 13.Nc6?? Rb2!–+ 14.Nd8?? Rc2 15.Nb7 Bc7 16.d4 e5 17.Nc5 Bb5 18.Re1 0–0 19.Na3 Rc5! 20.dc5 Bc6 21.Rab1 Rb8 22.Rb3 Ne4 23.Reb1 Rd8 24.Rc1 f5 25.f3 Nf6 26.Nb1 e4 27.Nd2 d4 28.ed4 Rd4 29.Nc4 Bf4 30.g3 Bc1 31.fe4 Rc4 32.Rb8 Kf7 0–1. gtate (1885) – tbrennan (1875), net–chess.com, 2003.

6.Bb5 Bd7 7.c4 Bb5 8.cb5 Bb4 9.0–0 0–0 10.a3 Bd6 11.Nc3 Ng4 12.Qa4 e5 13.Qg4 e4 14.Ne4 f6 15.Qe6 Rf7 16.Nd6 1–0. Bonetti,Shane – kokain, ICC, 2002.

6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 Bd6 9.d4 0–0 10.Nbd2 h6 11.c4 Rc8 12.cd5 ed5 13.Rc1 Qb6 14.Qb3 Rc6 15.Rc6 bc6 16.Qc2 Rc8 17.Rb1 Qc7 18.Ba1 c5 19.dc5 Bc5 20.Nb3 Ne4 21.Rc1 Qd6 22.Bd4 (time, 1–0). Bonetti,Shane – cobra, ICC, 2002.

6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 Be7 9.d3 0–0 10.Nbd2 Qc7 11.c4 dc4 12.Nc4 Rac8 13.a4 Rfd8 14.Qe2 b6 15.Rfc1 Qb7 16.h3 Nc5 17.Nd4 Rd4 18.Bd4= Nb3 19.Rcb1 Na1 20.Ra1 Nd7 21.Qb2 f6 22.Rb1 e5=+ Black gets strong initiative 23.Bc3 Nc5 24.Qa2 Qd5–/+ 25.Rd1 Nd3 26.Rd3 Qc4 27.Qd2 Qa4 28.Rd7 Qa3 29.Qd5–/+ Kf8 30.Bd2 h6 31.Qe6 Re8 32.e4–/+ b5 33.Be3=+ a5 34.Kh2 Qb4–/+ 35.Bb6 Qe4?? 36.Bc5!!+– Qf4 37.g3 (37...Qb4 38.Re7 Re7 39.Qe7 Kg8 40.Bb4 ab4 41.Qb4+–) 1–0. Fischer,Robert James – Walters,K, San Francisco sim, 1964.

6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 Be7 9.d3 0–0 10.Nbd2 Rc8 11.c4 Nb6 12.cd5 ed5 13.Rc1 Qd6 14.Bd4 Rc1 15.Qc1 Rc8 16.Qb2 Rc6 17.Ne5 Rc7 18.Bb6 ab6 19.Rb1 Bd8 20.Ndf3 Nd7 21.Nd7 Qd7 22.d4 f6 23.Qb3 (time, 1–0). Bonetti,Shane – cobra, ICC, 2002.

5.c4 0–0 6.e3 a6 =+.

5.c4 0–0 6.e3 Qe7 7.Bd3 dc4 8.Bc4 a6 9.Nc3 Bd7 10.a4 e5 11.d3 Bg4 12.h3 ab5 13.ab5 Ra1 14.Ba1 Bf5 15.g4 Ng4 16.hg4 Bg4 17.Bd5 c6 18.bc6 bc6 19.Rg1 cd5 20.Rg4 Nd7 21.e4 Bb4 22.Ke2 Bc3 23.Bc3 f5 24.Rh4 fe4 25.de4 d4 26.Qb3 Kh8 27.Bd2 Rf3 28.Rh7 Kh7 29.Qf3 Qe6 30.Ke1 Nf6 31.Ke2 Kg8 32.Bg5 Qf7 33.Bf6 Qc4 34.Kd2 gf6 35.Qg4 Kf8 36.Qf5 Qc3 37.Kd1 Ke7 38.Qh7 Kd6 39.Qf5 d3 40.Qf6 Kc5 41.Qf8 Kd4 42.Qd8 Ke4 43.Qh4 ½–½. mtr – SINJOOR, Internet, 2001.

5.c4 0–0 6.e3 Qe7 7.Be2 dc4 8.Ne5 c3 9.Bc3 Ne4 10.Nc4 Qh4 11.g3 Qg5 12.Bf3 Nc3 13.Nc3 Nd7 14.0–0 Nf6 15.d4 Bb4 16.Qb3 Bc3 17.Qc3 Qb5 18.Ne5 Nd5 19.Qc2 f6 20.a4 Qe8 21.Nd3 c6 22.e4 Nc7 23.Rfe1 b6 24.d5 ed5 25.ed5 Qg6 26.d6 Bf5 27.Qb3 Qf7 28.Qf7 Kf7 29.Re7 Kg8 30.Nf4 Ne8 31.Bc6 Rd8 32.d7 Nc7 33.Rae1 a6 34.Nh5 g6 35.Ng7 b5 36.ab5 ab5 37.Ne8 Na6 38.g4 Bg4 39.Rg7 Kh8 40.Ree7 1–0. Bulcourf – Pierrot, Buenos Aires, 1993.

5.c4 0–0 6.e4? Be7 7.ed5 Qd6 8.Ne5 c5 9.Bc3 Nh5?? 10.Ng6 fg6–+.. Bulcourf,Carlos (2295) – Pierrot,Facundo, Buenos Aires PROFMDA, 1993.

5.c4 a6 6.a4 0–0 7.Nc3 c6 8.e3 Qc7 9.h3 dc4 10.ba6 b6 11.Bc4 Ba6 12.Qb3 Nbd7 13.Ba6 Ra6 14.d4 b5 15.ab5 Ra1 16.Ba1 cb5 17.0–0 Rb8 18.e4 b4–/+ 19.e5 bc3 20.ed6 (20...Qd6 21.Qc3–/+). miquelstone – Neinsah, ChessWorld.net, 2005.

5.c4 a6 6.e3 0–0 7.Qa4 Nbd7 8.cd5 ed5 9.ba6 ba6 10.Nc3 Rb8 11.Rb1 c5 12.d4 cd4 13.Qd4 Qa5 14.Qd2 Bb4 15.Bd3 Ne4 16.Be4 de4 17.Rd1 ef3 0–1. marekt – tsar, gameknot.com, 2001.

5.d4 c6 6.e3 cb5 7.Qd3 Nc6 8.c3 0–0 9.a4 ba4–+ 10.Ra4 e5 11.Qc2 e4 12.Ng5 Bd7 13.Ba3 Nb8 14.Qb3 Ba4 15.Qa4 Ba3 16.Qa3 a5 17.Nd2 Nc6 18.Be2 Qe7 19.Qb3 a4 20.Qc2 a3 21.f3 ef3 (22.Ndf3 a2–+) 0–1. Wloka,Frank – Rennert,Ralf (2055), DESC, 2004.

5.g3 Bd7 6.e3 =+.

5.g3 Nbd7 6.Bg2 b6 7.0–0 Bb7 8.d4 0–0 9.Nc3 Qe7 10.a3 Rfc8 11.e3 c6 12.Nd2 a6 13.bc6 Rc6 14.Ne2 Rac8–/+ 15.c4 R6c7 16.Qa4 h6 17.Rfc1 Nb8 18.Rc3 Bc6 19.Qb3=+ Nbd7 20.Rac1 dc4 21.Rc4 Bb5 22.Rc7= Rc7 23.Rc7 Bc7 24.Nc3 Bd3 25.Na2 Bg6= 26.Nb4 a5 27.Nc6+= Qd6 28.Nc4 Qf8+= 29.a4 Ne4? 30.Ba3+– Qa8? 31.Ne7 Kh8 32.Ng6 fg6 33.Qc2 Ndf6 34.Nd2 Bd8 35.Ne4 Qb8 36.Nf6 gf6 37.Qg6 Qc7 38.Qh6 Kg8 39.Be4 Qf7 40.Bh7! Kh8 41.Bg6 Kg8 42.Bf7 Kf7 43.Qf8 Kg6 44.g4 Bc7 45.Qg8 Kh6 46.Bf8# 1–0. Wiede,Friedrich – Dorn,Carina, GER–ch U10 Willingen, 2003.

5.a4 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 Be7 9.d4 0–0 10.Be2 Qe8 11.Nc3 c6 12.bc6 Nc6 13.0–0 Qb8 14.Qd2 Bb4 15.Rb1 Ne4 16.Qd3 Bc3 17.Bc3 Rc8 18.Ba1 Nb4?? (Better is 18...Na5+=) 19.Rb4+– Qa7 20.Bb2 Bc6 21.Qa3 Qa3 22.Ba3 Ra8 23.Rb3 f6 24.h4 Kf7 25.Bd3 h6 26.h5 g6 27.hg6 Kg6 28.Nd2 f5 29.Nf3 Kf6 30.g3 h5 31.Bb4 Ng5 32.Ng5 Kg5 33.Kg2 Re8 34.Ra3 h4 35.f4 Kh6 36.gh4 Rg8 37.Kh2 Rg4 38.Be7 Rg7 39.Bf8 (39...Kh7 40.Bg7 Kg7 41.Be2+–) 1–0. pcmvr – leighcastle, ChessWorld.net, 2002.

5.a4 c6 6.Na3 Be7 7.g3 Qb6 8.Rb1 c5 9.c4 0–0 10.Bg2 Rd8 11.0–0 Be8 12.Qb3 Nbd7 13.e3 Qc7 14.Rfc1 dc4 15.Nc4 Nb6 16.d4 Nc4 17.Rc4 Qb6 18.dc5 Qc7 19.Be5 Qc8 20.h3 Nd5 21.e4 Nf6 22.Bd6 Bf8 23.Qb4 Bd7 24.a5 h6 25.Ne1 Re8 26.c6 bc6 27.bc6 Bd6 28.cd7 Bb4 29.dc8Q Rac8 30.Rc8 Rc8 31.Rb4 Nd7 32.Kf1 Nc5 33.Rc4 Kf8 34.Nd3 Rb8 35.Rc5 1–0. Kutlaev,Maksim – Barkhudarian,Rafael, Serpukhov, 2001.

5.a4 Bd6 6.Nc3 0–0 7.e3 c6 (7...e5 8.Be2=+) 8.Be2= Re8 9.0–0 e5 10.h3 (10.a5 Bg4=+) 10...e4 (10...a6 11.d4 e4 12.Ne5=+) 11.Nd4 c5 12.Nb3 b6 13.d3 ed3 14.cd3 Be6 15.d4 Qd7 16.dc5= bc5 17.Bf3 Be7 18.Ne2 Qd6 (19.Rc1 Nbd7=). White – Ralphs, corr 3GMM–29, 1995.

5.a4 Bd6 6.e3 0–0 =.

5.a4 Bd6=+ 6.e3 a6 7.Nc3 e5 8.Be2 e4 9.Nd4 0–0 10.f3 c5=+ 11.bc6 Nc6 12.Nc6 Bc6 13.fe4 Ne4 14.Ne4 de4 15.0–0 Qh4 16.g3 Qg5 17.Rf2 Bc5 18.Qf1 Qe7 19.Bc4 Rad8 20.Bc3 Bd5 21.Rb1 Bc4 22.Qc4 Rd7 23.Rf4 Re8 24.Rg4 g6 25.Rf4 Rc7 26.Qb3 Qe6 27.Kg2 Qb3=+ 28.Rb3 f5 29.Rf1 h5 30.Rfb1 b6=+ 31.Rb6 Bb6 32.Rb6 Kh7 33.Ra6 Rec8 34.a5 Rc6 35.Rb6=+ Kg8 36.Rb7+/– Re6 37.Kh3 Kf8 38.Kh4 Ke8 39.Kg5 Rcc6 40.h3 Kd8 41.Rg7 Kc8 42.Bb4 Rc4 43.c3+= Rcc6 44.Rf7 Rc7 45.Rf8 Kb7 46.Rg8 Rcc6 47.h4 Ka7 48.Rg7 (48.Rd8 Ka6=) ½–½. Mrkvicka,Josef – Reike,Ronald, CiF, 1992.

5.e3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Be7 9.Ne5 c6 10.Nd7 Nbd7 11.c4 dc4 12.Bc4 cb5 13.Bb5 0–0 14.0–0 Ne4 15.Nc3 Ndf6 16.Qe2 ½–½. hsingletary (1750) – dbryant (1765), net–chess.com, 2001.

5.e3 a6 6.ba6 Na6 7.Be2 Bc5 8.Be5 0–0 9.0–0 Bd6 10.d4 Be5 11.Ne5 Ne4 12.Bd3 f6 13.Nd7 Qd7 14.c4 Ng5 (14...c5 15.cd5 ed5 16.Be4 de4 17.Nc3 cd4 18.ed4=) 15.Qb3+= c6 16.Nd2 e5 17.Rfc1 e4 (17...Rfc8!?+=) 18.cd5+/– cd5 (18...ed3!? 19.dc6 Qf7 20.cb7 Ra7+/–) 19.Ne4+– Ne4 20.Be4 Kh8? (Better is 20...Rfd8+–) 21.Qd5 Qd5 22.Bd5 Nb4 23.Bb7 (23…Ra2 24.Ra2 Na2 25.Rc2+–) 1–0. guest488 – guest139, ICC, 2003.

5.e3 a6 6.ba6 Na6 7.Nc3 Bd6 8.Ne2 0–0 9.Ng3 Ba4 10.a3 Qe7 11.Ng5 Nc5 12.h4 Bg3 13.fg3 Nce4 14.Be5 Bc6 15.d3 Nd6 16.Qf3 Ra4 17.Bf6 Qf6 18.d4 Qf3 19.Nf3 Rfa8 20.Bd3 Ra3 21.Ra3 Ra3 22.0–0 Bb5 23.Bb5 Nb5 24.Re1 Nc3 25.Kh2 Ne4 26.Rc1 Re3 27.Ra1 f6 28.Ra8 Kf7 29.Ra1 Rc3 30.Rc1 b6 0–1. Von Oppen,O – Klafki,Christoph, Koblenz, 1990.

5.e3 a6 6.c4 c6 7.cd5 cd5 8.Nc3 Bb4 9.Qb3 (9...Bd6 10.Ba3=). gtate (1860) – bergwall (1915), net–chess.com, 2003.

5.e3 b6 6.Ne5 Bd6 7.Nd7 Qd7 8.c4 dc4 9.Qf3 Qb5 10.Bf6 gf6 11.Qa8 0–0 12.Nc3 Qb2 13.Rb1 Qc2 14.Qa7 Be5 15.Qa4 Qg6 16.Rb2 c6 17.Rb6 Nd7 18.Rc6 Bc3 19.dc3 Qb1 20.Qd1 Qa2 21.Qd7 Qa1 22.Ke2 Qc3 23.Kf3 f5 24.Bc4 Qe5 25.Bd3 h5 26.h3 h4 27.Rhc1 Kg7 28.R1c5 Qf6 29.Rf5 Rd8 30.Qc7 Rd3 31.Rf6 Kf6 32.Qf4 Kg7 33.Qg5 Kh7 34.Rc4 1–0. Bonetti,Shane – Blackwolf (1735), ICC, 2002.

5.e3 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd7).

5.e3 Bc5 6.c4 c6 7.a4 cb5 8.cb5 Qe7 9.Be2 0–0 10.0–0 Be8 11.d4+= Bb4 12.Na3 a6 13.Nc2 a5 14.Nb4+/– ab4 15.Ne5 Nbd7 16.Nd3 e5? 17.de5+– Ne4 18.Nb4?? Nb6?? 19.Nd5+– Nd5 20.Qd5 Nc5 21.a5 Rd8 22.Qc4 Rc8 23.a6 Ne6 24.Qc8 ba6 25.ba6 Bd7 26.Qf8 Qf8 27.a7 Qb4 28.a8Q Qf8 29.Qf8 (29...Nf8 30.Ra8+–; 29.Rfd1 Bc8 30.Rdc1 Bd7+–) 1–0. pumpkin (2255) – oracleinshadows, net–chess.com, 2006.

5.e3= c6 6.a4 a6 7.Be2 =.

5.e3 c6 6.a4 cb5 7.ab5 Qb6 8.Nc3 a6 9.Na4 Qd8 10.ba6 Na6 11.Ne5 Ba4 12.Ra4 Bd6 13.Ng4 h5 14.Nf6 gf6 15.Bb5 Ke7 16.Qa1 e5 17.Ba6 ba6 18.Ra6 Ra6 19.Qa6 Qc7 20.Ba3 Ba3 21.Qa3 Ke6 22.Qa6 Kf5 23.Qd3 Ke6 24.e4 de4 25.Qe4 Rc8 26.c3 Qa5 27.0–0 Qd5 28.Qd5 Kd5 29.Rc1 Kc4 30.Kf1 Kd3 31.Ke1 e4 32.Kd1 f5 33.Ra1 Re8 34.Ra5 f4 35.Rd5 Kc4 36.Rh5 e3 37.Rf5 e2 38.Ke1 Kd3 39.Rf7 Rb8 40.Rd7 1–0. Bonetti,Shane – Flobby_Zischer, ICC, 2002.

5.e3= c6 6.a4 Be7 7.Be2 0–0 8.0–0 a6 9.Nc3 Bd6 10.bc6 Bc6 11.d4 Re8 12.Ne5 Qc7 13.f4 Nbd7 14.Ba3 Ba3 15.Ra3 Ne5 16.fe5+= Nd7 17.Bg4 f6 18.Qf3 Qd8 19.Qh3 h6? 20.Be6+– Kh8 21.Bd5 Bd5 22.Nd5+– fe5 23.c4 Rf8 24.Rf8+– Qf8 25.Ra1 Rd8 26.Rf1 Qe8 27.Nc7 Qe7 28.Qe6 Qe6 29.Ne6+– Re8 30.d5 b6 31.h3 Re7 32.g4 Nc5 33.Nc5 bc5 34.Rf8 Kh7 35.Rc8 e4 36.Rc5 Kg8 37.Ra5 Ra7 38.d6 Kf8 39.c5 Ke8 40.c6 Kd8 41.Re5 Ra8 42.Re4 g5 43.Re6 Rc8 44.d7 Rb8 45.Re8 Kc7 46.Rb8 (46...Kd6 47.d8Q Ke5 48.Qd4 Ke6 49.Re8 Kf7 50.Qd7 Kf6 51.Re6#) 1–0. Del Val,J – Agustoni,Marco, Leukerbad op, 1992.

5.e3 Bd6 6.Ne5 c6 7.a4 Qc7 8.f4 Qa5 9.Be2 Qc7 10.0–0 a5 11.g4 cb5= 12.ab5 0–0 13.g5 Ne4 14.Bd3 Nc5?? 15.Bh7! Kh7 16.Qh5+/– Kg8 17.Rf3 g6 18.Ng6! f6 19.Ne7!! Kg7 20.Qg6 Kh8 21.Rh3 1–0. pumpkin (2300) – esmith (1865), net–chess.com, 2005.

5.e3 Ne4 6.Nc3 Nc3 7.Bc3 c6 (7...f6 8.Bd3 Bd6 9.Ng5 fg5 10.Bg7=) 8.bc6 Nc6 9.Rb1 (9.Bd3 Bd6=) 9...b6 (9...Qc7 10.Rb3=) 10.Bd3 e5 (Better is 10...Qe7!?=) 11.Ne5–/+ Ne5 12.Be5 Qe7 (12...Qg5 13.Bg3–/+) 13.Bd4+– Qg5 14.0–0 Bd6 (14...Bc5 15.Bc5 bc5 16.Bb5–/+) 15.f4+– Bf4?? (Better is 15...Qh6+–) 16.ef4 Qh4 (16...Qh6 17.Re1 Kf8 18.Qf3+–) 17.Bg7 (17...Rg8 18.Qe1 Qe1 19.Rfe1 Be6 20.Bf6+–) 1–0. NN (1650) – Evolution_Fist, GameColony.com, 2002.

5.e3 Be7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 Bd7).

5.Nc3 Bb4 6.e3 0–0 7.Be2 a6 8.ba6 ba6 9.0–0 Rb8 10.Rb1 c5 11.a3 Ba5 12.Na4 Bb7 13.c4= Qc7 14.Qc2 dc4 15.Qc4 Bd5 16.Qa6? Ra8 17.Qd3= Be4 18.Qc4 Bb1 19.Rb1 Rfb8 20.Rc1 Qc6=+ 21.Bd1 Qd5 22.Bf6 Qc4 23.Rc4 Rb1 24.Nc3 (24...Bc3 25.Kf1 Bf6 26.Ke2 Ra3 27.d4–+). Garfield85 – Robert Edward (1850), chesshere.com, 2006.

5.Nc3 Bd6 6.e3 =+.

5.e3 c6 6.a4 cb5 7.ab5 Bd6 8.Be2 0–0 9.0–0 b6 10.Nd4 Bb7 11.f4 Nc5 12.Qe1 Nce4 13.d3 Nc5 14.Qg3 Re8 15.Nd2 Ncd7 16.Bf3 e5 17.Nf5 g6 (17...Ng4 18.Qg4 Qf6 19.Ng7 Qg7 20.Qd7+–) 18.Nd6 e4 19.de4 de4 20.Be2 Re6 21.Nb7 Qc7 22.Bc4 Qb7 23.f5 Re7 24.fg6 hg6 25.Qg6 Kh8 26.Qh6 Kg8 27.Rf5 Ne5 28.Rg5 Ng6 29.Rg6# 1–0. Trkn – CLASSMATE, ICC, 2004.

5.e3 c6 6.a4 Bd6 7.d3 0–0 8.Be2 Re8 9.0–0 e5 10.c4 e4 11.de4 de4 12.Nfd2?? cb5 13.cb5 Qc7 14.g3 Ne5 15.Nc3 Nfg4?? 16.Nce4 Nh2? 17.Kh2+– Qd7 18.Nd6 Qh3 19.Kg1 Bd7 20.Ne8 Re8 21.Be5 Re5 22.Nf3 Rh5 23.Nh4 g5 24.Bh5 gh4 25.gh4 Qh4 26.Qf3 Qg5 27.Qg3 Qg3 28.fg3 (28...Be6 29.Rac1+–) 1–0. metal – gunner5, caissa.com, 2007.

6.d4 0–0 7.Bd3 (7.Ba3 Ba3 8.Na3 Qe7=+) 7...c5 (7...a6 8.Ba3=) 8.bc6 bc6 9.c4 (9.0–0 Rb8 10.Bc3 c5=+) 9...Rb8 10.Qc2 dc4 11.Bc4= c5 12.Nbd2 Nb6 13.Bd3= cd4 14.Bd4 Bb7 15.Ke2 Nbd5 16.a3 Qe7 17.Nc4=+ Rfc8 18.Qa4 e5 19.Nd6 Qd6 20.Be5? Qe5!–+ 21.Ne5 Nc3 22.Ke1 Na4 23.f3 Rc5 24.f4? Rbc8 25.Kf2 Ne4 26.Kf3 Nac3 27.Rhg1 Rd8 28.Bc2 Nf6 29.Kg3 Ne2 0–1. Tuchtenhagen,Harald – Bauer,Norbert (2200), GER LL–chT Germany, 1995.

6.d4 c6 7.a4 a6 (7...c5 8.dc5 Nc5 9.Be2=+) 8.c4= dc4 9.bc6 Nb6 (9...bc6 10.Bc4 Nb6 11.Bd3=) 10.a5+= Nbd5 11.Bc4 (11.cb7 Bb7 12.Qa4 Nd7 13.Bc4 Rc8+=) 11...b5 12.ab6 Qb6+= 13.Qb3 Rb8= 14.Qb6 Rb6 15.Bc1 Rc6 16.Nbd2 0–0 17.Ba3 Nb4 18.Bb4 Bb4 19.Ne5 Rc7 20.f3 Nd7 21.Nd7 Bd7 22.Bd3 Rfc8 23.Ke2 Bb5 24.Bb5 ab5 25.Ra2 Rc2 26.Rc2 Rc2 27.Rd1 Kf8 28.Kd3 Rb2 29.g4 Ke7 30.h4 h6 (30...Bd2 31.Rd2 Rd2 32.Kd2=) ½–½. Manzano,Antonio Martin – Andres Gonzalez,Alberto, Asturias–ch Preferente, 1995.

6.Be2 0–0 7.0–0 c6 8.a4 a6 9.ba6 ba6 10.c4 Rb8 11.Ba3 Qe7 12.Bd6 Qd6 13.Qc2 e5 14.d4 Ng4 15.h3 Nh6 16.c5 Qe7 17.Nc3 e4 18.Nh2 Qg5 19.Kh1 f5 20.f4 ef3 21.Rf3 Re8 22.Nf1 Nf6 23.Qd2 Ne4 24.Ne4 Re4 25.Bd3 Re7 26.Rb1 Rb1 27.Bb1 Rb7 28.Bd3 Rb8 29.Qf2 Rb3 30.Qc2 Rb4 31.Ng3 a5 32.Ne2 Qe7 33.Nc3 Qb7 34.Rf2 Qe7 35.Na2 Rb8 36.Qd2 Qc7 37.Rf1 Nf7 38.Rb1 Rb1 39.Bb1 Nd8 40.Qb2 f4 41.Qf2 Ne6 42.Bd3 fe3 43.Qe3 Qf4 44.Qf4 Nf4 45.Nc1 Nd3 46.Nd3 Kf8 47.Nc1 Bf5 48.Nb3 Bc2 49.Na5 Ba4 50.Nb7 Ke7 51.Nd6 Kf6 52.Kh2 h5 53.h4 Bd1 54.g3 Be2 55.Kg2 Bd1 56.Kf2 g5 57.Ke3 Bg4? 58.hg5+– Kg5 59.Nf7 Kf5 60.Ne5 Bd1 61.Nc6 Kg4 62.Ne7 Kg3 63.Nd5 Bf3 64.Ne7 (64...Bg4 65.Ng6+–) 1–0. Althoff – Ludwig, 5. Oberhausener Stad, 1999.

6.Be2 0–0 7.0–0 e5 8.Nc3 e4 9.Nd4 Ne5 10.Rb1 c5 11.bc6 bc6 12.f4 ef3 13.gf3 c5 14.Ndb5 Bb8 15.f4 Ng6 16.Na4 Ne4 17.Nbc3 Bh3 18.Re1 Qh4 19.Ne4=+ de4 20.Bc4 Nf4 21.ef4 Qf4 22.Qe2+/– Bg4? 23.Qg2+– g6 24.Re4 Bf3 25.Rf4 Bg2 26.Rf6 Be4 27.Rbf1 Bc2 28.Rf7 Rf7 29.Rf7 1–0. COMP – NN, 2003.

6.Be2 0–0 7.0–0 e5 8.d4 e4 9.Nfd2 Ne8 10.c4 f5 11.h3 c6 12.a4 f4 13.cd5 f3 14.dc6 fg2 15.Kg2 Qg5 16.Bg4 Ndf6 17.f4 Qg6 18.cb7 Bg4 19.hg4 Ng4 20.Qb3 Kh8 21.ba8Q Ne3 22.Kf2 Bf4 23.Qe3 1–0. Welti – Grimstad, corr Switzerland–Norway, 1994.

6.Be2 e5 =.

6.Be2 Qe7 7.d4 e5 8.c4 dc4 9.Bc4 e4=+ 10.Nfd2 Nb6 11.Be2 0–0 12.Nc3 Nbd5 13.Rc1 Nc3 14.Bc3 Nd5 15.Qb3 Qg5 16.g3 Nf6 17.Nc4 Bh3 18.Nd6 cd6 (Opening the c–file gets Black a lot of play) 19.Bb4 Rfc8 20.Rc2 Rc2–/+ 21.Qc2 Rc8 22.Qd2 Bg2 23.Rg1 Bf3 24.Bf1 Qd5 25.h3 h5 26.Qb2 Nd7 27.g4 h4 28.g5 g6 29.Kd2=+ Nb6 30.Qb3 Qf5 31.Bd6 Bh5 32.Bf4 Nd5–+ 33.Be2 Nf4 34.ef4–/+ Qf4 35.Qe3 Qc7 36.Ra1?? Qc2–+ 37.Ke1 Be2 (38.Qd2 Bb5–+) 0–1. Toth,Peter – Fiori de Azevedo,Pio, BRA–ch Salvador, 1973.

5.a4 0–0 6.Be5 Nbd7 7.a5 Ne5 8.Ne5 Bd6 9.d4 a6 10.ba6 Ra6 11.f3 c5 12.e3 Ra5 13.Ra5 Qa5 14.c3 Qc7 15.f4 cd4 16.ed4 Ne4 17.Qc1 f6 18.Nd3 e5 (19.de5 fe5 20.fe5 Be5 21.Ne5 Qe5–+) 0–1. Marshall – Coltharp,Cameron, corr SOK–98–E003A, 1998.

5.c4 0–0=+ 6.cd5 (6.e3 a6=+) 6...Qd5 (6...ed5 7.e3=+) 7.Nc3= Qd8 (7...Qd6 8.d4=) 8.e4 c5 9.e5 Nd5 10.Be2 b6 11.0–0 Bb7 12.Nd5 Bd5 13.d4 Nd7 14.Re1 f6 15.Qa4 fe5 16.de5 Qc7 17.Qg4 Rf7 18.Ng5 Bg5 19.Qg5 Raf8 20.Rf1 Rf5–/+ 21.Qe7 R5f7 22.Qd6= Qb7 23.Bg4 Re8 24.f3?? g6 (25.Rad1 Nf8–/+; 24...Nf8!? 25.Rad1 Rd7 (25...Ba2?! 26.Qd3=+) 26.Rd5 Qd5 (26...ed5?! 27.Bd7 Qd7 28.Qd7 Nd7 29.f4=) 27.Qd5 Rd5–+ (27...ed5?! 28.Bd7 Nd7 29.f4=+)) 0–1. Lange,Steffen – Loxham,Janet, compuserve casual, 1997.

5.d4 0–0 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.d4).

5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3).

5.g3 0–0 6.Bg2 c5 7.bc6 Nc6 8.0–0 d4 9.c4 e5 10.d3 Bg4 11.Nbd2 Qd7 12.Ng5 h6 13.Nge4 Ne4 14.Be4 Bh3 15.Bg2 Bg2–/+ 16.Kg2 f5 17.Nf3 Rad8 18.Qb3 Kh7 19.Rab1 b6 20.Ba3 e4 21.Ne1 Na5 22.Qb2 Ba3 23.Qa3 ed3 24.ed3=+ f4 25.f3 fg3 26.hg3 Qe6 27.c5 Rf5 28.cb6 ab6 29.Qb2 Rd6 30.f4=+ Rh5 31.Rf3 Qh3–/+ 32.Kf2 Qh2 33.Ng2 Rc5 34.Qe2 Re6 35.Qd2?? Rec6–+ 36.Rb2 Rc1 37.g4 Qg1 38.Kg3= Re6 39.Qf2 Qf2 40.Rff2 Nb7 41.f5 Rd6 42.Nf4 Nc5= 43.Rfe2 Rg1 44.Rg2 Rg2 45.Rg2 Kg8 46.Rc2 Rd7 47.Rb2 Rd6 48.Kf3 Kf7 49.a3 Kf6 50.Rd2 Nb3 51.Rb2 Nc5= 52.Re2 Rd7 53.Re8 Kf7 54.Rb8 Rd6 55.Ke2 Nd7 56.Rb7+/– Kf6 57.Kf3 Ne5 58.Kg3 g6 59.fg6 Ng6+= 60.Ng6 Kg6 61.Kf4 Kf6 62.Rh7 Kg6 63.Ra7 Kf6+= 64.Ra6 Re6 65.Ra4+/– Rd6 66.Rb4 Ke6 67.Rb5 Kf6 68.Ke4 Ke6 69.Rh5 Kd7?? 70.Rd5+– Ke7 71.Rd6 Kd6 72.Kd4 b5 73.Ke4 Kc5 74.Ke5 Kc6 75.d4 Kd7 76.d5 Ke7 77.d6 Kd7 78.Kd5 Ke8 79.Ke6 Kd8 80.d7 h5 81.gh5 (81...Kc7 82.h6 Kb6 83.d8Q Kb7 84.h7 Ka6 85.Qd6 Ka5 86.h8Q b4 87.Qb4 Ka6 88.Qa8#) 1–0. jammboy – dannyboy238, ChessWorld.net, 2007.

5.d3 Bg7 6.g3 0–0 7.Bg2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c5 11.bc6 bc6 12.0–0 Nbd7 13.Nbd2 Qc7 14.c4 e5 15.cd5 cd5 16.Qb3 Bb7 17.Bb2 d4 18.Rc1 Qb8 19.Nc4 Bd5 20.Qb8 Rb8 21.Ba3 Bh6 22.Ra1 Bc4 23.dc4 (The passed pawn on c4 will quickly become a dangerous weapon) 23...e4 24.Nd4+= Rc8 25.e3 Rc4 26.Be7 Rc8 27.Bh3 Re8= 28.Bd6 Bf8 29.Bf8 Nf8 30.Ra7 Kg7 31.Bf1 Rc8 32.Bh3 Re8 33.Rc7 Kg8 34.Bf1 Nd5 35.Ra7 Re7 36.Ra8 Kg7 37.Nc6 Rc7 38.Nd4 Re7 39.Bg2 Nf6 40.Ne2 N8d7 41.Ra7 Re8 42.Nc3 Nc5 43.Rc7 Ne6 44.Ra7 Nf8 45.Nb5 Rd8 46.Bf1 Rd7 47.Ra5 Ng4 48.Ra4 f5 49.Nc3 Ne5=+ 50.Rd4?? Rd4 51.ed4–/+ Ned7 52.Bc4 Kf6 53.Kf1 Ne6 54.Be6 Ke6 55.Ke2 Nf6 56.h3 g5 57.Ke3 Nd5 58.Nd5 Kd5 59.h4 h6 60.h5= Ke6 61.g4 Kf6 62.gf5 Kf5 63.d5 Ke5 64.d6 Kd6 65.Ke4 Ke6 66.Kf3 Kf5 67.Kg3 Ke4 68.Kg4 Ke5 69.Kg3 Kf5 ½–½. Cortez,Abraham – Contreras Torres,Ramon, Carlos Torre op Kukulkan, 1998.

5.e3 a6 6.c4 ab5 7.cd5 ed5 8.Bb5 c6 9.Bd3 Bg7 10.0–0 0–0 11.Nc3 Nbd7 12.Ng5 Ne5=+ 13.Bc2 Nc4 14.Rb1 Nb2 15.Rb2 h6 16.Nf3 Ne4 17.Nd4 Nc3 18.dc3=+ Qe7 19.Qb1 Re8 20.Bd3 c5 21.Nb5 Bg4 22.Bg6? fg6–+ 23.Qg6 Be6 24.a3 Bf7 25.Qg4 Ra6 26.Rd1 Rb6 27.Rdd2 Qe4 28.Qd7 Qe6 29.Qc7 Be5 30.Qc5 Rc8 31.Qb4 Bc3!! (32.Qc3 Rc3 33.Nc3 Rb2 34.Rb2 d4–+) 0–1. Wall,Bill – Liu, Internet, 2006.

5.e3= Bg7 6.Be2 0–0 7.0–0 c5 8.d4 c4 9.a4 b6 10.Ba3 Re8 11.Nc3 Bb7 12.Qd2 Nbd7 13.Rfb1 a6 14.Bd6 Bf8 15.Bf8 Rf8 16.Qc1 a5 17.Qd2 e5 18.de5 Ng4? 19.Qd4+– Re8? 20.Qg4 Ne5 21.Qd4 Nf3 22.Bf3 h5 23.Bd5 Bd5 24.Nd5 Re6 25.Qc4 Rc8 26.Qd3 h4 27.Rd1 Qg5 28.Rd2 h3 29.Nf4 hg2 30.Ne6 fe6 31.Qd7 Rf8 32.Qe6 Kg7 33.Qb6 Qe5 34.Qd4 (34...Re8 35.Qe5 Re5 36.b6+–) 1–0. b4_player (2240) – mrhappy (1745), GameColony.com, 2003.

5.e3 Rg8 6.d4 Nbd7 7.Be2 Nb6 8.c3 Bd7 9.Ne5 Bd6 10.Nd7 Qd7 11.Nd2 Na4 12.Qa4 1–0. Machete99 – guest2080, ICC, 2002.

5.Na3 cb4–/+ 6.cb4 Bb4 7.Qb3 Qa5 8.Nc2 Be7 9.Bc3 Qd8 10.g3 0–0 11.e3 Ne4 12.Bd4 Nc6 13.d3 Nd4 14.ed4 Qa5 15.Ke2 Ng5 16.Ne5 Qa6 17.Bg2 f6 18.h4 fe5 19.hg5 Bg5 20.Rh5 h6 21.Nb4? Qb6–+ 22.Bd5 Qd4 23.Be6 Be6 24.Qe6 Kh8 25.Rg5 Rf2 (26.Ke1 Qe3 27.Kd1 Qd2#) 0–1. Kientzler,R – Woelfelschneider,Peter, CiF, 1989.

5.bc5 Bc5 6.e3 Nc6 7.Be2 0–0 8.d3 d4 9.ed4 Nd4? 10.0–0?? Ne2 11.Qe2 Nd5 12.Nbd2 Re8 13.Ne4 Bf8 14.Nfg5 h6 15.Nf3=+ Bd7 16.Ne5= Qc7 17.c4+= Nb6 18.Qg4 Re7 19.Nf6 Kh8+= 20.Nh5 Be8 21.a4 Na4=+ 22.Bd4 Nc5 23.Rad1 f6 24.Ng6 Bg6 25.Qg6 e5 26.Be3 Ne6 27.Bh6= gh6 28.Nf6 Bg7?? 29.Qh7# 1–0. Saradjen,Janko (2150) – Kavcic,Uros, Bled op, 1993.

5.e3 cb4 6.cb4 Bb4 7.Ne5 0–0 8.h4 Nc6 9.Ng4 Ne4 10.Nc3 f5 11.Ne4 de4 12.Ne5 Qf6 13.Nc4 e5 14.a3 (14.Ne5 Be6 15.Nc6 Qb2 16.Nb4 Qb4–/+) 14...Bc5 15.d3 ed3 16.Bd3 Rd8 17.f4 Qg6 18.Ne5 Qg3 19.Kf1=+ Ne5 20.fe5 Be6 21.Rh3 Qg4 22.Rf3?? Bd5 23.Bf5?? Qh4 24.Rh3?? Bc4 25.Bd3 Rd3 26.Qe2 Rd1! 27.Rd1 Be2 28.Ke2 Qc4 29.Rd3 Rd8 30.e4 Qc2 31.Ke1 Rd3 32.Rd3 Qd3 0–1. burbank – sisset, Live Game Caissa's Web, 2004.

5.Na3 =+.

5.e3 0–0 6.Be2 =+.

5.e3 e5 6.Be2 =+.

5.e3 Ng4 6.d4 Nc6 7.Bd3 a6 8.0–0 Nh2? 9.Nh2+– Qh4 10.Nf3 Qg4 11.Nbd2 (11...e5 12.de5 Ne5 13.Ne5 Be5 14.Nf3+–) 1–0. Wall,Bill – Batty, Internet, 2003.

5.a3 =+.

5.Na3 Bb4 6.Qa4 Nc6 7.Nc4 0–0 8.Qc2 Bd7 9.e3 Be7 10.Rd1 a6 11.Ng5 g6 12.Be2 Nd5 13.Ne4 f5 14.Ng3 Ncb4 (15.Qb1 Ba4–/+) 0–1. Azzoug,Sam – Sternik,Ryszard, EM b4–05–22, 2005.

5.c3 Bd6 6.d4 c5 7.Nf3 Nc6 8.Qa4 Bd7 9.h3 Nd4! 10.cd4 Ba4 11.Nc3 Qa5 12.e3 cd4 13.Nd4 Bb4 14.Ke2 Bc3 15.Nb3 Bb3 16.ab3 Qb5 17.Kd1 Qb3 (18.Ke2 Qb2 19.Kf3 Ne4 20.Bb5 Qb5–+) 0–1. Matthias – Nightflight, mySchach.de, 2004.

5.e3 Bd6 6.Bb5 c6 7.Ba4 0–0 8.0–0 a6 9.Ng4 b5 10.Nf6 gf6 11.Qg4 Kh8 12.Bb3 e5 13.Qg3 Rg8 14.Qh4 Be7 15.d4 f5 16.Qh6 Bg5 17.Qh5 Rg6 18.de5 Rh6 19.Qf3 Be6 20.Nc3 Nd7 21.Ne2 Nc5 22.Nf4 Ne4 23.Ne6 fe6 24.c4 Nd2 25.Qg3 Nf1 26.Kf1 Qe7 27.cb5 ab5 28.Bd4 Rg8 29.f4 Bh4 30.Qf3 Qa7 31.Ba7 Be7 32.e4 fe4 33.Qc3 Rc8 34.a4 ba4 35.Ba4 Rg6 36.Bc5 Rg7 37.Be7 Re7 38.Qc5 Rec7 39.Qd6 h5 40.Qe6 Ra7 41.Qf6 Kh7 42.Qf5 Kg7 43.Qc8 Rf7 44.e6 Rf4 45.Kg1 Kf6 46.Qd7 Rg4 47.e7 Rg8 48.e8Q Re8 49.Qe8 Kf5 50.Bc6 e3 51.Bd5 Kg4 52.Qe4 Kg5 53.Ra5 h4 54.Bf7 Kh6 55.Qg6# 1–0. Nautiluschess – Bobo, ICS blitz, 2001.

4.a3 Bd6 5.Bg2 0–0 6.Nf3 c5 7.bc5 Bc5 8.0–0 Nc6 9.d3 b5 10.Nbd2= a6 11.c4 dc4 12.Bf6 Qf6=+ 13.Ne4 Qe7–/+ 14.dc4 bc4 15.Qc2= Ba3 16.Neg5 f5 17.Ne5 Ne5 18.Ba8 Bc5 19.Nh3 Qd6 20.Rfd1= Qb6 21.e3 Bb7=+ 22.Rab1 Nf3 23.Kf1 Nh2 24.Kg1 Nf3 25.Kf1 Nh2 26.Kg1 Nf3 27.Kf1 Nh2 (27...Bb4 28.Bb7 Qb7 29.Qc4 Nh2 30.Kg1 Nf3 31.Kf1 Nh2 32.Kg1 Nf3 33.Kf1=) ½–½. coloplayah (2070) – tomy (2140), net–chess.com, 2006.

4.c3 e5 5.e3 Be7 6.Be2 Bd6 7.Nf3 0–0 8.d3 e4 9.Nbd2? (9.Nd4 Bh3–/+) 9...Re8?? (Better is 9...ef3 10.Nf3 Bh3–+) 10.Nd4 h6 11.0–0 Be6 (11...Bh3 12.Re1–/+) 12.de4 de4 13.Bb5 c6 14.Ba4 b5 15.Bb3 Bb3 16.N4b3 Nbd7 17.Qc2 Re7 18.Nd4 Qe8 19.Nc6+/– Re6 20.Nd4 Re7 21.Nb5 Be5 22.Nd4 Bd4 23.cd4 Nb6 24.Nc4?? Rc8 25.Rfc1 Nc4 26.Qc4 Rc4 27.Rc4 Rd7 28.Rd1 Qe7 29.Ba3 Qe6 30.Rdc1 Qh3 31.Kh1 Ng4 32.b5 Qh2 0–1. audrey – BEACHBUM, Live Game Caissa's Web, 2004.

5.b5 a6 6.ba6 (6.e3 c4=+) 6...Ra6 (6...Na6 7.Nf3–/+) 7.e3 c4 8.Bg2 Bc5 9.Nf3 0–0 10.0–0 Qe7 (10...b5 11.Nc3 Qd7 12.Ne5=) 11.d3 b5 12.Nc3 Bd7 13.Ne5 Bd6 14.Nd7 Qd7 15.Qd2 Qc6 16.e4 de4 (16...d4 17.Ne2 c3 18.Nc3 dc3 19.Qc3 Qc3 20.Bc3 Ba3–+ (20...Ra3?! 21.Ra3 Ba3 22.Rb1–/+)) ½–½. Woschkat,Karl_Heinz – Erler,Ekkehard, CiF FT–95–0039A, 1995.

5.b5 Bd6 6.Nf3 –/+.

5.bc5 Bc5 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.g3).

5.c3 cb4 6.cb4 a5 7.Bg2 ab4 8.ab4 Ra1 9.Ba1 Bb4 10.Qb3 Qa5 11.Bf6 gf6 12.Nf3 Nc6 13.0–0 Bd7 14.Qb2 e5 15.Rc1 (15.Nc3 Qc5=+) 15...Rg8 16.d3 Rg4 (16...Kf8 17.Nfd2–/+) 17.h3 Rg6 18.Nc3? (18.Rc2 Be6=+) 18...Rh6 19.h4 Rg6 20.Nd1? Rg4?? 21.Ne3?? Rg6?? 22.Kh2?? e4 23.Nd4 ed3 24.ed3 Nd4? 25.Qd4+/– Bd2 26.Ra1 Qc3?? 27.Ra8+– Bc8 28.Qa4 Kd8 29.Nd5 Qd3 30.Rc8! (30...Kc8 31.Qe8#) 1–0. audrey – YoUIdiot, Live Game Caissa's Web, 2004.

5.Bg2 cb4 6.Nf3 Nc6 7.c3 ba3 8.Na3 a6 9.0–0 Bd6 10.c4 Ba3 11.Ra3 dc4 12.d3 cd3 13.Rd3 Qe7 14.Ne5 Ne5 15.Be5 h6 16.Qc2 0–0 17.Bd6 Qe8 18.Bf8 Kf8 19.Rfd1 Bd7 20.Bb7 Rb8 21.Rd7 Rd8 22.Bc6 1–0. Stanitz – Zielinski, corr SOK–95–109 1995.