3.a3 Nf6 4.Nf3 Nbd7 5.e3 e6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.a3 Nbd7).

3.b5 c5 4.bc6 Nc6 5.c3 e5 6.f3 Bc5 7.g4?? Qh4# 0–1. Schlaeger,Michael (1885) – Moeller,Dirk (1775), remoteschach.de, 2006.

3.b5 Nd7 4.e3 e5=+ 5.Nf3 Bd6 6.c4 (6.Be2 Ngf6=+) 6...Ngf6 7.d4 Bb1 (7...e4 8.c5 Be7 9.Ne5=+) 8.Rb1 Bb4 9.Nd2 Ne4 10.Bc1 Nc3 11.Qb3 Nb1 12.Qb4 Nd2 13.Bd2 ed4 14.cd5 de3 (14...Nf6 15.Qd4 Qd5 16.Qd5 Nd5 17.e4–/+) 15.Be3 Nf6 16.Bc4 Nd5 17.Qb3 c6 18.0–0 0–0 19.Bc5 Re8–+ 20.a4 Qf6 21.Ba3 Rad8 22.Bb2 Qg6 23.Bc1 Nc7 24.Be3 cb5 25.ab5 a6 26.ba6 ba6 27.Qa2 Nb5 28.h3 Re7 29.Qa5 Nc7 30.Bg5 Rde8?? 31.Be7–/+ Re7 32.Qb4 (32.Ra1 Qf6=+) ½–½. Deutekom,A – Valkenier,Han, Haarlem op, 1995.

3.b5 Nf6 4.e3 e6 5.c4 c6 6.Nf3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.b5).

3.Nc3 Nc6 4.a3 e6 5.h4 Nd4 6.Rc1 Nc2 7.Rc2+= Bc2 8.Qc2 Qd7 0–1. top1 – mischief, chesshere.com, 2006.

3.Nc3 e6 4.a3 Nf6 5.Nb5 Ne4 6.Be5 Na6 7.e3 f6 8.g4 Bg6 9.Bd4 e5 10.Bb2 c6 11.Nf3 cb5 12.Bb5 Kf7 13.h4 h5 14.g5 Nc7 15.Ba4 b5 16.gf6 ba4 17.Ne5 Kg8 18.Ng6 Rh6 19.fg7 Rg6 20.Qh5 Qd6 21.Qh8 Kf7 22.h5 Rg7 23.Bg7 Bg7 24.Qh7 Qf6 25.Qg6 Qg6 26.hg6 Kg6 27.0–0–0 Kf5 28.Rdg1 Ne6 ½–½. Wall – Pennell, Taylorsville 1975.

3.c4 a6 4.cd5 Qd5 5.Nc3 Qe6 (5...Qd6 6.Qa4 c6 7.e4=) 6.e3 (6.Nf3 Qd6=) 6...Nc6 (6...Nf6 7.d4=) 7.Nf3 (7.d4 Qg6= (7...Nb4? 8.Qa4 Qc6 9.Qb4+–)) 7...Nb4 8.Bd3?? h5 9.Bf5 Qf5= 10.Nd4? Qg6?? 11.0–0 e5 12.Nf3 Bd6 13.Nh4? Qh7 14.Qc1? g5 15.Nf3–/+ 0–0–0 16.Ng5= Qg6 17.Nge4 Nf6 18.Nf6= Qf6 19.Na4? Rhg8–+ 20.Ba3?? Qg5 21.g3–+ h4 22.Bb4 Bb4 23.Nb6 Kb8 24.Qc7?? Ka7 25.Rab1 hg3= 26.fg3 Bd6?? 27.Qc3 f5 28.e4?? f4= 29.Nd5 fg3?? 30.Qg3 Qd2–+ 31.Qg8 Rg8 32.Kh1 Qg2# 0–1. kilmer49 – vello01, Caissa's Web, 2004.

3.c4 dc4 4.Na3 Nf6 5.Nc4 e6 6.Qa4 c6 7.b5 a6–/+ 8.b6 Nd5 9.Bd4? Nb4–+ (Black gets deadly initiative) 10.Bc3 Nc2 11.Kd1 Na1 12.Ba1 Nd7 13.Bd4 Nc5 14.Bc5 Bc5 15.Qb3 Bf2 (16.e3 0–0–+) 0–1. Boettcher,Frank – Borrmann,Fritz, corr 3GMM½–02, 1998.

3.c4 e6 4.Qb3 Nf6 5.e3 Be7 6.Nf3 0–0 7.d4 a5 8.ba5 Nc6 9.Nbd2 Na5–/+ 10.Qc3 dc4 11.Bc4 Nd5 12.Bd5 ed5 13.0–0 c6 14.Rfe1 Re8 15.e4 de4 16.Ne4 Qd5 17.Ng3= f6 18.Nf5 Qf5 19.Rac1 Qd5 20.Ba3 Ba3 21.Qa3 Nc4 22.Re8 Re8 23.Qb3 Nd6 24.Qd5 cd5 25.Kf1 Ra8 26.Rc2 Nc4 27.Nd2 b5 28.Ke2 Kf7 29.Kd3 Ke6 30.Nb3 Kd6 31.Re2 b4 32.Rc2 Kc6 33.Nc1 Ra3 34.Ke2 Kb5 35.Ke1 Rc3 36.Rc3 bc3–/+ 37.Ke2 Nb2 38.Ke3 Kb4 39.f3 Ka3 40.Ne2 Nd1 41.Kd3 Kb2 42.a4 c2 43.a5 Nc3!! 44.a6 Ne2 45.a7 c1Q 46.a8Q Nf4# 0–1. Radaikin,Vitaley – Byrne,Robert E, US–op Lincoln, 1969.

3.d3 c6 4.g3 e6=+ 5.a3 Nf6 6.Bg2 Be7 7.Nd2 Qb6 8.c4 a5 9.Qa4 0–0 10.b5 Nbd7 11.Ngf3 Ng4 12.Bd4 Bc5 13.Bc5?? Nc5–+ 14.Qd1 Nd3! (15.ed3 Qf2) 0–1. NN (1755) – NN (1905), net–chess.com, 2001.

3.d3 e5 4.Be5 Bb4 5.c3= Bd6?? 6.Bg7+– Be5 7.Be5 f6 8.Bf4 Nc6 9.g3 Qe7 10.Bg2 0–0–0 11.Nf3 h5 12.0–0 Ne5 13.d4 Nf3 14.Bf3 Bh3 15.Re1 h4 16.e4 de4 17.Be4 hg3 18.fg3 Qa3 19.Na3 f5 20.Bf3 Nf6 21.Qb3 Ne4 22.Be4 fe4 23.Rab1 b6 24.Qc4 Rh7 25.Qa6 Kb8 26.Nb5 (26...Be6 27.Na7 Rd6 28.Bd6 cd6 29.Qb6 Rb7 30.Qb7#) 1–0. grimstad – willow27, ChessWorld.net, 2005.

3.d4 Nc6 4.a3 e6 5.Nf3 Bd6 6.e3 Nf6 7.h3 a6 (7...0–0 8.Bd3=+) 8.Nc3 0–0 9.Bd3 Bd3 10.Qd3 Nd7 (10...Qe7 11.Ne2=+) 11.h4 (11.e4 de4 12.Ne4 Nf6=) 11...f5 12.0–0 (Better is 12.Ne2=+) 12...e5 13.de5+= Nce5 14.Ne5 Ne5= 15.Qd4 c6 16.f4 Ng6?? 17.Ne4?? Rf7 18.Ng5 Re7 19.Ne6? Qd7–/+ 20.Ng5 h6 21.Nf3–/+ Re4 22.Qd2 Be7 23.h5 Nh4 24.Nh4?? Bh4–+ 25.Rf3 Qf7 26.Qc3 Bf6 27.Qb3 Bb2 28.Qb2 Qh5 29.Rh3 Qe2 30.Rg3 Re7 31.Qf6 Rae8 32.Qh6 Rf8 33.Qh3 Rf6 34.Rf1 Qc2 35.Qh2 Kf7 36.Qh5 Ke6 37.Rg6 Rg6–+ 38.Qg6 Kd7 39.g4 Qe4 40.Re1 fg4 41.Qg4 Kc7 42.Kf2 Qd3 43.f5 Qa3 44.Qf4 Kc8 45.Qd6 Rd7 46.Qf8 Kc7 47.Rh1 Qb2 48.Kf3 Qe5 49.Rh4 Qf6 0–1. PoPer – Armor, Live Game Caissa's Web, 2004.

3.e3 c5 4.bc5 Nc6 5.Nf3 Nf6 6.Bb5 e6 7.0–0 Bc5= 8.d4 Bd6=+ 9.c4 dc4 10.Nbd2 Bd3 11.Re1 Bb4 12.Qa4 Bd2 13.Nd2+= Qd7 14.Nc4 0–0 15.Ne5 Bb5= 16.Nd7? Ba4–/+ 17.Nf8 Kf8 18.a3 Rd8 19.Rab1 Ne4 20.Re2 a6 21.f3–/+ Nf6 22.Bc3 Bb5 23.Ra2 Nd5 24.Bb4? Ke8 25.Rc1? Ne3 26.Bc5 Nd5 27.a4 Bd3 28.Rb2 Rb8 29.Bb6 Nb6 30.Rb6 Nd4 31.Rd1 Ne2 32.Kf2 Nf4 33.Rd2 Rd8 34.Ke3?? Nd5 35.Kd3 Nb6 36.Ke2 Rd2 37.Ke3 Rg2 0–1. gtate (1800) – wmalone (1825), net–chess.com, 2002.

3.e3 Be4 4.c4 Nc6 5.b5?? Nb4–+ 6.f3 Nc2 7.Kf2 Na1?? 8.fe4+= e5 9.Ba1 Qh4 10.g3+/– Qe4 11.Nf3 Bd6 12.c5! Bc5 13.Be5 Nf6 14.Bf6 gf6 15.d4 Bb6 16.Bd3 Qg4 17.Qc2 h5? 18.Bf5 Qg7 19.Nc3 Rd8 20.Nd5!! Rd5 21.Qe4 (21...Re5 22.de5+– (22.Ne5?! fe5 23.Qb7 0–0+/–)) 1–0. Wall,Bill – Train, Internet, 2005.

3.Nf3 a5 4.ba5 c5 5.e3 Ra5 6.c4 e6 7.Be2 Nc6 8.Bc3 Ra7 9.0–0 Nf6 10.d4 b6 11.Nbd2 Bd6 12.Nh4 Ne4 13.Ne4 Bh2 14.Kh2 Qh4 15.Kg1 Be4 16.f3 Bf5 17.cd5 ed5 18.Bb5 Qh6 19.Bc6 Qc6 20.dc5 bc5 21.Bg7 Rg8 22.Bc3 Qg6 23.Rf2 Bh3 24.Qd5 Bg2 25.Qe5 Kd7 26.Rd2 Kc8 27.Kf2 ½–½. W Labahn – Schilke, 1981.

3.Nf3 c6 4.e3 (–--> 1.b4 c6 2.Bb2 d5 3.e3 Bf5 4.Nf3).

3.Nf3 Qd6 4.a3 Nd7 5.d4 (5.Nd4 Nh6=) 5...Ngf6 (5...Qg6 6.Nh4 Qf6 7.Nf5 Qf5 8.e3+=) 6.e3= e6 7.c4 dc4 (7...a5 8.c5 Qe7 9.b5=) 8.Bc4 Nb6 9.Bb3 Be7 10.Nbd2 0–0=+ 11.Ne5 a6 12.0–0 Rfd8 13.Rc1 c6 14.g4 Bg6 15.f4 Nbd5 16.Qf3 h5 17.h3 hg4= 18.hg4 Bh7 19.e4 Nb6 20.f5+/– Nfd7? 21.Nf7!+– Kf7 22.fe6 Kg8 23.ed7 Kh8 24.Qh3 Nd7 25.e5 Qh6? 26.Qh6+– gh6 27.d5 Bg5 28.dc6 Be3 29.Kh2 Nf6 30.Nc4 Ng4 31.Kh3 Bc1 32.Kg4?? Bb2=+ 33.Nb2 bc6 34.Rf6 Rg8?? 35.Bg8+/– Rg8 36.Kf4 Rg2 37.Nc4 Rg6 38.Na5+– Rf6 39.ef6 Kg8 40.Nc6 Kf7 41.a4 Kf6+= 42.b5 ab5 43.ab5 Bd3 44.b6+/– Ba6 45.Nb8 Bb7+= 46.Nd7 Kg6 47.Ne5 Kf6 ½–½. Jalo,Pentti – Jokelainen,Heikki, Helsinki op3, 1994.

3.f4 e6 4.Nf3 Nd7 5.e3 Ngf6 6.b5 h6 7.a4 c5 8.bc6 bc6 9.Nd4 Qb6 10.Ba3 Bg4=+ 11.Qc1 c5 12.Ne2 Bd6 13.Nbc3 a6 14.Ng3 0–0 15.h3=+ Bh5 16.Nh5 Nh5 17.Ne2 e5 18.g4 Nhf6 19.g5 hg5 20.fg5 Nh5 21.c4 e4 22.Nc3 Ng3 23.Nd5 Qd8 24.Rg1=+ Qg5 25.Qc2 Ne5–/+ 26.0–0–0 Rab8 27.Rg3 Qg3 28.Qe4 Rb3 29.Bb2–/+ Rfb8 30.Ne7 Kf8 31.Nf5 Qf3 32.Qf3+= Nf3 33.Bg7 Kg8 34.Bc3 Be5 35.Ne7= Kf8 36.Nc6 Re8 37.Ne5+/– Ne5 38.Kc2 Rbb8 39.Rb1 Rb1 40.Kb1 f6 41.Kc2 Ke7 42.d4+– Nd7 43.Bg2 Kd6 44.Kd3 Kc7 45.Ba5 Kd6 46.Bc3?? Kc7 47.Ba5?? Kd6= ½–½. Capece,Adolivio – Romi,Massimiliano, ITA–ch, 1970.

3.f4 Nf6 4.Nf3 Nc6 5.b5 Nb4 6.d3 Rc8 7.Nd4 Bg4 8.h3 Bd7 9.g3 c5 10.Nb3 Bb5 11.a4 Bd7 12.Bc3 Bf5 13.Bf6 ef6 14.c3 Nc6 15.d4 Be4 16.Rh2 cd4 17.cd4 Bd6 18.Nc5? (18.N1d2 Bb4 19.Kf2 Bc3–+) 18...Bc5 (Better is 18...Nd4!? 19.Qd4 Bc5 20.Qb2 Qa5 21.Nd2–+) 19.dc5 0–0 20.Bg2 Bg2 21.Rg2 d4 22.Nd2 Re8 23.Kf2 Qd5 24.e4?? (24.Rc1–+) 24...de3 25.Ke2 (25.Kg1 Rcd8 26.Qf1 ed2 27.Rd1 Qc5 28.Rf2–+) 25...Qg2 26.Ke1 ed2# 0–1. dosa – babylyub, ICS rated blitz match, 1998.

3.g3 Nf6 4.Bg2 e6 5.a3 Be7 (5...c5 6.b5–/+) 6.d3 (6.Nf3 0–0=+) 6...a5 (6...c5 7.bc5 Bc5 8.Nh3–/+) 7.b5 c6 8.bc6 bc6 9.Nf3 h6 10.Nbd2 0–0 11.0–0 Bh7 12.c4+= Ra6 13.Re1 Nbd7 14.e4 Nc5=+ 15.Ne5 Nfd7 16.Nd7 Qd7 17.Qc2 de4 18.de4 Qd3 19.Qc3 Bf6 20.e5 Be7 21.Red1 Na4 22.Qd3 Bd3 23.Bd4 Rd8 24.Be3 Nc3 25.Re1 Ne2 26.Kh1 Nd4 27.Bd4 Rd4 28.Rec1 Rb6–/+ 29.Ra2 Bc5=+ 30.f4 Kf8 31.Bf3 g5 32.fg5 hg5 33.Bg2 g4 34.h4 gh3 35.Bh3 Be4 36.Bg2 Bg2 37.Kg2 Rd3 38.a4 Be3 39.Rcc2 Bd2 40.Rd2=+ Re3 41.Rd8 Ke7 42.Rad2 Re5 43.R8d7 Kf6 44.Rf2 Kg6 45.Rdf7 Rb4–/+ 46.R2f6 Kg5 47.Rf4 Rf5 48.Rg7 Kf6 49.Rf5 ef5 50.Ra7 Ra4 51.Ra6 Rc4 52.Ra5 Ke6 (53.Kf3 c5–/+; 52...c5 53.Kf3–/+) 0–1. Bendig,Frank – Velker, corr ICCF TT–4–90 SF, 1995.

3.h3 Nf6 4.g4 Bg6 5.Bg2 e6 6.b5 Bc5 7.e3 Nbd7 8.a4 Qe7 9.Bf6 Qf6 10.Ra2 0–0 11.Qf3 Ne5?? 12.Qf6+/– gf6 13.Nf3 Nf3 14.Bf3 (14...a6 15.ba6 ba6 16.d4=). riverborne – EELDROP, Live Game Caissa's Web, 2005.

3.Nh3 Nc6 4.e3 a6 5.g4 Bg6 6.Nf4 Nb4 7.c3?? Nc2–+ 8.Qc2 Bc2 9.Bg2 e6 10.Ba3 Bb1 11.Rb1 Ba3 12.Rb7 Rb8 13.Rb3 Rb3 14.Nh5 Rb1 15.Ke2 Rb2 16.Ng7 Kf8 17.Nh5 Qh4 18.Ng3 Qg4 19.f3 Qc4 20.Kf2 Rd2 21.Ke1 Qc3 22.Bh3 Qc1 0–1. tsaunders – speqter, net–chess.com, 2004.

3.Nh3 e5 4.Be5 Nc6 5.Bg3 Nb4 6.d3 –/+.

4.a4 c6 5.Nf3 cb5 6.ab5 ab5?? 7.Ra8+– Bg4 8.Be5 Nc6 9.Rd8 Nd8 10.Nc3 (10...f6 11.Bc7+–) 1–0. miehnekort – ansonlai1024, Yahoo, 2005.

4.a4 e6 5.e3 Bd6 6.Bg7 Ne7 7.Bh8 e5 8.Bf6 Nd7 9.Be7 Qe7 10.c4 d4 11.Qf3 Qf6 12.Qb7 Rb8 13.Qf3 e4 14.Qd1 d3 15.Nc3 Be5 16.Rc1 a5 17.g3 Qe6 18.f3 Nc5 19.Bg2 Qg6 20.Bh3 Bg3 21.hg3 Qg3 22.Kf1 Bh3 23.Rh3 Qg6 24.fe4 Ne4 25.Ne4 Qe4 26.Qf3 Qg6 27.Rg3 Ke7 28.Rg6 fg6 29.Qe4 Kf7 30.Kg2 Kg7 31.Rf1 h5 32.Qe7 Kh6 33.Rf7 Rh8 34.Qf6 Rg8+– 35.Nh3 (35...Re8 36.Qg5#) 1–0. Pohl,M – Hermann,Horst, Oberschwaben–chB, 1994.

4.a4 Nd7 5.d4 Ngf6 6.e3 e6 7.Nd2 c5 8.c4 cd4 9.ed4 dc4 10.Bc4 Rc8 11.Qf3? Bb4–+ 12.Bc3 Bc3 13.Qc3 Nb6 14.Ngf3 Bg4 15.Ne5 Bf5 16.0–0 0–0 17.Rfc1 Nc4 18.Ndc4= Ne4 19.Qb4 Qd4–/+ 20.Ra2?? Rfd8 21.Rac2?? f6 22.Nf3–/+ Qd7 23.Ne3 Rc2 24.Nc2 Rc8 25.Nfd4 Bg6 26.Re1 e5 27.Qb3? Bf7 28.Qb2 ed4 29.Re4 d3 30.Nd4 Bg6 31.Rf4?? Qd6 32.g3 Qc5 33.Nb3? Qc2 34.Qc2 dc2 35.Kg2 c1Q 36.Nc1 Rc1 37.Rd4 h6 38.Rd8 Kh7 39.Rd7 Rc4 40.a5 Rc5 41.a6 Rb5 42.h4 ba6 43.Ra7 a5 44.g4 Bc2 (45.f3 h5–+) 0–1. tschulz – Joschi, Schach Master, 2004.

4.bc6 Nc6=+ 5.e3 e5 6.Bb5 Qb6 7.a4 a6 8.Bc6 bc6 9.Be5= f6 10.Bg3 Bc5 11.Ne2 Qb2 12.Nbc3 Bc2 13.Qc1 Qc1 14.Rc1 Bd3 15.0–0?? Ba3 16.Rce1 Nh6 17.Na2 Nf5 18.Nac3 Ng3 19.hg3 h5 20.Kh1 h4 21.g4 h3 22.g3? Bd6 23.Rb1 Be5 24.Rb7 Bc3 25.dc3 Be2 26.Rfb1 Bf3 27.Kh2 Rd8 28.Rc7?? Bg2?? 29.Rbb7= 0–0?? 30.Rg7 Kh8 31.Rh7 Kg8 32.Rbg7# 1–0. pinecrest1981 – bueno, Live Game Caissa's Web, 2005.

4.e3!? =.

4.Nd2 e6 5.a3 c5 6.b5 Bd6 7.Ngf3 Nbd7 (--> 3.d3 Nd7 4.Nd2 Ngf6 5.Ngf3 e6 6.a3 c5 7.b5 Bd6).

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 18.Rc1 Qa2 19.Qh7 1–0. TD_6 – babylyub, ICS blitz, 1998.

4.a3 c6 5.e3 Nf6 6.c4 Nbd7 7.Nf3= Be7 8.Nbd2 0–0 9.Be2 Rc8 10.0–0 Ne4 11.Re1 Ndf6 12.Qb3 Qc7 13.Rac1 Ng4 14.Ne4 Be4 15.g3 Nf6 16.c5 Nd7 17.Ne5 Bf6 18.Nd7 Qd7 19.b5 Rfe8 20.a4 e5 21.Bd3 Bf3 22.Bf1 Qg4 23.h3 Qg6 24.Bc3 h5 25.Bg2 Bg2=+ 26.Kg2 h4 27.Qb1 e4 28.Qc2 Re6 29.Kh2 Bd8 30.Rg1 Bc7 31.Qe2 Rf6 32.Rcf1 Rf3–/+ 33.Be1 Qg5 34.bc6 hg3 35.fg3 Re3 36.Qf2 Rf3 37.Qb2 bc6 38.Qb7 Qf5 39.Rf3 ef3 40.Bf2 Kh7 41.Qa7?? Qc2–+ 42.Rf1 Qe2 43.Kg1 Bg3! 44.Qf7 Bf2 45.Rf2 Qe1 (46.Rf1 Qg3 47.Kh1 Qg2#) 0–1. Schmitt,Mathieu (1870) – Pokee,Anne_Josephe (1995), Besancon FRA Open Championship, 2006.

4.a3 Bd6 5.Nd2 c6 6.c4 Ne7 7.Ngf3 h6 8.g3 Nd7 9.cd5 cd5 10.Bg2 Nf6 11.0–0 Nh7 12.Qa4+= Nc6 13.Rac1 Qd7 14.Rfe1 Bh3?? 15.Bh3+– Ng5 16.Ng5 hg5 17.Bg2 Ke7 18.e4 Kf6 19.e5 Kg6 20.ed6 Qd6 21.Re3 a6 22.Nf3 f5 23.Rce1 Rae8 24.h4 gh4 25.Nh4 Kf7 26.Qc2 Rh5 27.Qe2 g6 28.Bf3 Rg5 29.Bg2 Nd8?? 30.Nf3+– Rh5 31.Ne5 Kf6 32.g4 Rh4 33.gf5 gf5 34.Rg3 Nf7 35.Rg6 Ke7 36.Rg7 Rf8 37.Ng6 Kf6 38.Rf7! Kg6 39.Rf8 Qf8 40.Qe6 Kg5 41.Bc1 Rf4 42.Qe5 (42...b5 43.Qf4 Kg6 44.Qg5 Kh7 45.Qh5 Kg7 46.Qh6 Kg8 47.Bd5 Qf7 48.Re8; 42.Bf4 Kh5 43.Bf3 Kh4 44.Qg6 Qg7 45.Bg5 Kh3 46.Qf5) 1–0. wlittle (2185) – bienopia (2125), net–chess.com, 2004.

4.a3 Bd6 5.e3 a6 (5...Nf6 6.Bd3=+) 6.c4 dc4 7.Bc4 b5 (7...Nf6!?=) 8.Bd3 Bd3 9.Qd3 Nf6 10.Nf3 0–0 11.0–0 Nc6 12.Nbd2 Ne7 13.Rac1 Ng6 14.Ne4 Ng4 15.Nd6 Qd6 16.Qc3 Rfc8 17.d5 f6= 18.de6?? Nh4!!–+ 19.g3 Nf3 20.Kg2 Nh4 21.Kh3?? Ng6 22.Kg4–/+ Qe6 23.Kf3 Qd5 24.Ke2 Qh5–+ 25.Ke1 Qh2?? 26.Qb3= Kh8 27.Qf7 Ra7?? 28.Rd1 Ne5?? 29.Be5?? fe5+/– 30.Rd7 Qh6=+ 31.Kd2 Qg5 32.Rd1 e4 33.Ke1 Raa8 34.Re7 Qf6 35.Qf6+/– gf6 36.Rc1 Ra7 37.Re4 c6 38.Re6+– Rac7 39.Rf6 Kg7 40.Rf5 Kg6 41.Rcc5 Rd7 42.Rg5 Kh6 43.f4 Rd3?? 44.Rce5 1–0. pascals1975 – Stiller, ChessWorld.net, 2003.

4.a3 Nf6 5.e3 =+.

4.b5 c5 5.Nf3 e6 6.Be2 Nf6 7.a4 Bd6= 8.c4 Nbd7 9.0–0 0–0 10.d3 h6 11.Nbd2 Qe7 12.Qc2 b6 13.Rfe1 Bh7 14.Nf1 e5 15.N3d2 Bc7 16.g3 Rad8 17.cd5 Nd5=+ 18.e4 Nb4 19.Qb3 Nf6 20.Nc4 Rfe8 21.Nfe3 Qe6 22.Rad1 Rd7 23.Qc3 Bg6 24.Kg2 h5 25.h3 Kh7 26.g4 Kg8 27.g5 Nh7 28.f4 Na2 29.Qb3 ef4–/+ 30.Nf5 Ng5 31.h4 Bf5 32.hg5 Bg4 33.Kf2 Be2 34.Re2 Qh3 35.Rg1?? Nb4 36.Rd2 Rd3 37.Qd1 Re4 38.g6 f6 39.Rh1 Qg3 40.Kf1 Qf3 41.Qf3–+ Rf3 (42.Kg2 Rg3 (42...Rc4 43.Kf3 Rc2 44.Re1=) 43.Kf1 Nd3–+) 0–1. Semenko,Georg(Jurko) (1750) – Kunte,Herbert, 4 sen. Bay EM Schney, 1992.

4.b5 c6 5.c4 b6 6.a4 e6 7.Nf3 Nf6 8.Be2 g6 9.0–0 Bg7 10.Na3 0–0 11.Nh4 dc4 12.Nf5+/– ef5 13.Bc4 Qc7 14.Bf6 Bf6 15.d4 Rd8 16.Rc1 Qd6 17.Qb3+– Rd7 18.bc6 Nc6 19.Qb6 Rb8 20.Qc6! Qc6 21.Bf7! Kf7 22.Rc6 Be7 23.Nc4 Bb4? 24.Ne5 (24...Ke7 25.Nd7 Kd7 26.Ra6+–) 1–0. Labahn,Wolfgang – Schilke,R, BSW–Jugend Qual, 1982.

4.b5 f6 5.Nf3 =.

(–--> 1.b4 c6 2.Bb2 d5 3.e3 Bf5).

4.c4 (--> 1.b4 c6 2.Bb2 d5 3.e3 Bf5 4.c4).

4.c4 e6 5.Nf3 Nf6 6.c5 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.c5).

4.a3 e5 =.

4.b5 e5 5.a4 (5.Nf3 Nd7=) 5...Nf6 (5...Nd7 6.Nf3=+) 6.c4 (6.a5 a6=+) 6...c5 7.cd5 Nd5 8.Nc3 Nb4 9.e4 Be6 10.d3 Be7–/+ 11.Nf3 Bg4 12.Rc1 Bg5 13.Rb1 Bf3 14.gf3 0–0–/+ 15.Ba3 a5 16.Bb4 ab4 17.Nd5 Nd7 18.Rg1 Bd8 19.Ne3 g6 20.Nc4 Qd4 21.Nd2 Bh4–+ 22.Qe2 Ra4 23.Bh3 Nf6 24.Kf1 Rd8 25.f4 Ra2 26.fe5 Qe5 27.Ke1 Qc3 28.Bf1 h6 29.Rd1 b3 30.e5 Re8 (31.ef6 Re2 32.Ke2 Qe5 33.Kf3 Qf5 34.Kg2 Qg4 35.Kh1 Qd1–+) 0–1. Zylla – Westphal, BSF–VM Winterturnier, 1996.

4.b5 Qg6 5.d3 =.

4.Nf3 Qb4=+ 5.Ba3 Qa5 6.c4 Nf6 7.Qb3=+ Qb6 8.Nc3 dc4 9.Bc4 Qb3 10.ab3 c6 11.Ng5 e6 12.Bf8 Kf8 13.e4 Bg6 14.f4 h6–/+ 15.f5 ef5 16.ef5–/+ hg5 17.fg6=+ Nbd7 18.0–0 Ne5 19.gf7 b5 20.Be6= Ke7 21.Rae1+/– Kd6 22.d4+– Nd3 23.Re3 Nf4 24.d5 b4= 25.Rd1 bc3–/+ 26.dc6 Kc7 27.Bd7 c2 28.Rf1? Rhf8 29.g3 N4d5 30.Rd3? Rf7 31.Be6 Nb4 32.Rd4 Re7 33.Bf5 a5 34.Rc4 Re2 35.Rc1 Rd8 36.Bc2 Na2 37.Ra1 Nb4 38.Bf5?? Rd5 39.Bh3 Nc2 40.Rc1 Rdd2 41.Bf1 Rh2 42.Ra4 Nh5 43.Rg4 Ne3 44.Re1 Ng4 (45.Re7 Kc6–+) 0–1. Martinez Rodriguez,Ezequiel – Arias Torio,Sergio (2095), Asturias–ch, 2001.

4.a3 Qf4–/+ 5.Nf3 Nd7 6.e3 Qd6 7.c4 Bb1 8.Rb1=+ dc4 9.Bc4= e6 10.e4 Nb6 11.Bb5 c6 12.Be2 Qd8 13.0–0 f6 14.Qb3+= Qd7 15.a4 Nh6 16.a5+= Nc8 17.Nd4 e5= 18.Ne6 Bd6 19.Bh5 g6 20.Rf6 Ng8= 21.Rg6 hg6 22.Bg6 Ke7 23.Nf8 Kf8=+ 24.Rf1 Ke7 25.Rf7 Kd8 26.Rd7 Kd7 27.Bf5 Kc7 28.Qe6 Nge7 29.Qd7 Kb8= 30.a6 ba6 31.Qe6 Rd8 32.h4 Kb7 33.h5 Bc7 34.Bg4 Rd6 35.Qf7 Rd2–/+ 36.h6? Nd6 37.Qe7 Rb2 38.h7 Ne4 39.Qg7 Rb1 40.Kh2 Nf2 41.Bf5 e4 42.g3 Rb3 43.h8Q Rh8 44.Qh8 Rg3 45.Bc8 Kb8 (46.Bg4 Kb7 47.Bc8 Ka8 48.Bg4 Bb8 49.Qb8 Kb8 50.Kg3 Ng4 51.Kg4 c5 52.bc5 a5–+; 45...Ka8 46.Bg4 Bb8 47.Qb8 Kb8 48.Kg3 Ng4–+) 0–1. Gilden,Lawrence C – Kuettner,Uwe, Wch U20 fin–B, 1961.

4.Nc3 c6 5.e3=+ Qb4 6.Rb1 Qa5 7.Ba1 (7.g4 Bd7=+) 7...b5–/+ 8.Rb2 (8.a4 b4 9.Na2 e5 10.Be5 Qa4 11.Nb4 Bb4 12.Bg7 A) 12...Qc2? 13.Qc2 (13.Rb4 Qd1 14.Kd1 a5 15.Rb8 Rb8 16.Bh8 Rb1 17.Ke2 a4+–) 13...Bc2 14.Rb4+–; B) 12...Bc2?! 13.Rb4 Bd1 14.Ra4 Ba4 15.Bh8=; C) 12...Be7 13.Bh8 Bc2+=) 8...e6 9.Nb1 (9.a4 Ba3 10.Rb3 Bc5=+) 9...b4 10.c3 Nf6 11.cb4 Bb4 12.a3 Bc5 13.Qb3 Nbd7 14.Qc3 Qc3 15.Nc3 Ba3 16.Rb3 Bd6 17.Be2 Nc5 18.Rb2 0–0 19.Nf3 Nd3 20.Bd3 Bd3 21.Kf2 Rfb8 22.Ne1 Ne4 23.Ne4 Be4 24.Nf3 Rb2 25.Bb2 Rb8 (25...a5 26.Be5 Be5 27.Ne5–+). Grehl,Siegfried – Andersson,Lars H, corr 3GMM–03, 1995.

4.Nc3 Nf6 5.e3 –/+.

4.Be5 Qb4 5.Nc3 Qc5 –/+.

4.a3 =+.

4.e3 Nf6 5.a3 Bd6 6.c4 0–0 7.cd5 e5 8.Nc3 Ne4 9.Nb5 a6 10.Nd6 cd6 11.d3 Nf6 12.e4 Bg6 13.Be2 Nbd7 14.Nf3 Nh5 15.Nd2 (Better is 15.Ne5!? Ne5 16.Be5 (16.Bh5 Bh5 17.Qd2 Rc8–/+) 16...de5 17.Bh5+–) 15...Nf4+= 16.Nc4 (16.Bf1 Bh5 17.Qb3 f5+/–) 16...Nf6 (Better is 16...Ng2!? 17.Kf1 Nf4 18.Nd6 Qb8=) 17.0–0+/– Ne2 18.Qe2 b5 19.Na5 Nh5 20.Nc6 Qd7 21.Qg4 Qg4 22.hg4 Nf6 23.f3 Rfe8 24.Kh2 Nd7 25.Bc1 Nb6 26.d4 ed4 27.Nd4 h5 28.g5 Nc4 29.Bf4 Ne5 30.Be5 Re5 31.Nc6 Rg5 32.Rae1 f6 33.f4 Rg4 34.Ne7 Kf7 35.Ng6 Kg6 36.f5 Kg5 37.g3? Rc8 38.Re2? Rc3–+ 39.e5? fe5 40.Ref2 Rgg3 41.f6 Rh3 42.Kg1 gf6 43.Rg2 Rhg3 44.Rg3 Rg3 45.Kf2 Ra3 (46.Rc1 Rd3–+) 0–1. badboy1221 – LealM, Live Game Caissa's Web, 2004.

4.d4 Ngf6 5.h3 h6 (5...e6 6.Nf3–/+) 6.Nf3 e6 7.Ne5 Bd6 8.Nd7 (8.c4 0–0=+) 8...Qd7 9.e3 0–0 10.Bd3 Be4 (10...a5 11.b5–/+) 11.Be4 Ne4 12.0–0 c6 13.Nd2 Nf6 14.Nf3 Rfe8 15.Ne5 Qc7 16.Qf3 Be5 17.de5 Ne4 18.Qe2 Rad8 19.f3 Ng3–+ 20.Qf2 Nf1 21.Rf1 Qe7 22.f4 Rb8 23.f5 ef5–+ 24.Qf5 Qe6 25.Qh5 Kh7 26.Qf3 Re7 27.e4 Rd8 28.ed5 Rd5 29.c4 Rd2 30.Bc1 Rdd7 31.Qe4 g6 32.Qh4 h5 33.Bg5=+ Re8 34.Bf6 b6 35.g4? Qc4–+ 36.Qf2 Qd4 37.gh5 Qf2 38.Rf2 Rd1 39.Kg2 gh5 40.Rf5 Rg8 41.Kf2 Rd2 42.Ke3–/+ Rdg2 43.Rh5 Kg6 44.Rh4 Kf5 45.Rf4 Ke6 0–1. PoPer – Daffodil, Live Game Caissa's Web, 2004.

4.Nf3 e6 5.e3 Ngf6 6.c4 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 Nbd7 6.a3).

4.Nf3 h6 5.e3 Ngf6 6.Be2 e6 7.0–0 a6 8.Nd4 Bg6 9.f4. pcmvr (2390) – redrook (2470), net–chess.com, 2006.

4.h3 e5 5.d4 =+.

4.h3 Ngf6 5.d3 (5.Nf3 Be4=) 5...c6 (5...e6 6.Nd2=) 6.Nf3= h6 7.Ne5 (7.c4 a5=) 7...Nh7 8.e3 Ne5 9.Be5 f6 10.Bb2 e6 11.Be2 Bd6 12.Bh5 Ke7? 13.Nd2 g6 14.Bg4 Nf8 15.Bf5 ef5 16.e4 de4 17.de4 fe4 18.0–0 Rh7 19.Ne4 Be5 20.Be5 fe5 21.Qe2 Ke6 22.Qg4 Kf7 23.Rad1 Qc8 24.Nd6 Kg8 25.Nc8 Rc8 26.f4 Re8 27.fe5 Re5 28.Rd8 Rg5 29.Rdf8 Kg7 30.Qd7# 1–0. PoPer – Daffodil, Live Game Caissa's Web, 2004.

5.e3 e6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.a3 Nbd7).

5.Nh4 Bg4 6.h3 Bh5 7.g4 Bg6 (8.Bg2 e6=). pcmvr (2535) – pushtiu (2120), net–chess.com, 2006.

4.d3 Nf6=+ 5.Nf3 Be7 6.e3 0–0 7.Be2 Nbd7 8.Nh4 Bg6 9.Ng6 hg6 10.Nc3 c5 11.bc5 Nc5 12.a4 e5 13.0–0 d4 14.ed4 ed4 15.Nb5 Ne6 16.Bf3 a6 17.Na3 Rb8 18.Nc4 b5 19.ab5+/– ab5 20.Na3 Nd5 21.Bg4+= f5 22.Nb1?? fg4–+ 23.Qg4 Rf6 24.Bd4 Nd4 25.Nd2?? Nc2–+ 26.Rab1 Nce3 27.fe3 Ne3 28.Qb4 Bb4 29.Rf6 gf6 (30.Rb4 Qd3 31.h3 Qd2 32.Rg4 Ng4 33.hg4 Kf7 34.Kf1 Rh8 35.g5 Rh1) 0–1. ahmed sharkawy_1 – shirehorse, ChessWorld.net, 2005.

4.d4 a5 5.c3 Nf6 6.e3 ab4 7.cb4 Ne4 8.Bd3 Bd6 9.Nf3 0–0 10.0–0 Bg4 11.h3 Bf3 12.Qf3 Nf6 13.Nc3 Nc6 14.Rfc1 Qd7 15.Ne2 Rfe8 16.Nf4 e5 17.Nd5 Nd5 18.Qd5 ed4 19.Qg5 Be5 20.b5+= Nd8 21.ed4+/– Bd4 22.Bh7! Kh7 23.Qh4 Kg8 24.Qd4 Qd4 25.Bd4 Ne6 26.Be5 Rac8 27.a4 b6 28.Rc6+– Re7 29.Rac1 Kf8? 30.Bd6!+– Ke8 31.Be7 (31...Ke7 32.Rb6 cb6 33.Rc8+–) 1–0. Fournier,Frederic – Gadelorge,Patrick, Partie amicale Paris, 1988.

4.Nf3 c5 5.bc5 Qa5 6.Nd4+/– Qc5 7.Nf5 ef5 8.e3 Nd7 9.Bd4 Qc6 10.Nc3 a6 11.Bd3 Qe6 12.Qf3 White fights for the Initiative 12...Ne7 13.Rb1 b5 14.0–0 Ne5 15.Be5 Qe5 16.a4 ba4 17.Na4 g6 18.c4 Rd8 19.c5+– Bg7 20.Ba6 0–0 21.d4 Qc7 22.Rb7 Qa5 23.Nb6 Rfe8 24.Bd3 Qa3 25.Bb5 (25...Rb8 26.Be8 Rb7 27.Nc4+–) 1–0. pcmvr (2760) – iozeph (2470), net–chess.com, 2006.

4.Nf3 f6 5.Nd4 Bg6? 6.Ne6+/– Qe7 7.Nf4 Qe4 8.e3 Bd6?? 9.Bd3+– Qe7 10.Bg6 Kd8 11.Nd5 Qd7 12.Qh5 Nc6 13.Be4 Nge7 14.Ne7 Be7 15.b5 Na5 16.Bc3 Nc4 17.Bb7 Rb8 18.Bc6 Qe6 19.Bd5 Rb5 20.Be6 Rh5 21.Bc4 (21...Kd7 22.d3+–) 1–0. pcmvr (2225) – kcollins (2035), net–chess.com, 2006.

4.Nf3 Nf6 =+.

4.Na3 Nf6 5.b5 Bd6 6.e3 0–0 7.Nf3 Nbd7 8.c4 Nc5 9.d4 Nce4 10.h3 c5 11.Nd2 cd4 12.g4? de3–+ 13.Ne4 Be4 14.f3 Bf3! (15.Be2 Bb4 16.Kf1 Bh1–+) 0–1. Andersson,Lars H – Gross,Wilhelm, corr SOK–92–80, 1992.

4.e3 Bb4 5.Bg7 e5 6.Bh8 +–.

5.Bg7 Ba3 6.Ra3 Nf6 7.Bh8 Nbd7 +–.

5.Bg7 Ba3 6.Bh8 +–.

5.b5 a6 6.Nf3 ab5 7.ab5 Ra1 8.Ba1 h6 9.c4 dc4 10.Bc4 Nbd7 11.0–0 Nb6 12.Be2 Be7 13.Nc3 0–0 14.d4 Nbd5 15.h3 Qd6 16.Nd5 ed5 17.Ne5 Ra8 18.Bd3 Bd3 19.Nd3 Ne4 20.Qe2 Qa3 21.Nf4 c6 22.bc6 bc6 23.Bb2 Qb3 24.Nd3 Ra2 25.Qd1 Rb2 26.Nb2 Qb2 27.Qg4 Qb7 28.h4 Bd6 29.Qd1 Bb8 30.g4 Qc7 31.Kg2 Qh2 32.Kf3 Qh3 0–1. Schuchardt – Bittner, Bruchkoebel 1993.

5.Bc3 Bd6 =+.

4.e3 c5 5.c4 Nf6 6.d4 Bb1 7.Qb1 Qa5 8.Kd1 Nbd7 9.Bd3 cd4 10.Bd4 e5 11.Bb2 dc4 12.Bc4 Nb6 13.Bd3 Rd8 14.Be5 Ne4 15.Qc2 Rd3 16.Kc1 Qe1 17.Kb2 Ba3# 0–1. Izmiestieva – Kriukovskich, Novosibirsk 1973.

4.f3 a6 5.e3 –/+.

4.f3 Nf6 5.g3 Nbd7 6.h4 h6 7.Bg2 Bd6 8.Kf2 Bh7 9.d3 Qe7 10.e4 (10...de4 11.de4 Bc5 12.Kf1–+; 10.e3 e5–/+). MasterofDisaster – burn89, Live Game Caissa's Web, 2005.

4.Nf3 Nf6 5.d4 a6 6.a4 ab5–/+ 7.ab5 Ra1 8.Ba1 c5 9.e3 c4–/+ 10.Nc3? Bb4 11.Be2 Ne4 12.0–0 Bc3 13.Bc3 Nc3 14.Qa1 Ne2 15.Kh1 Bc2 16.Qb2 Bd3 17.Ne5 (17...Ng3! 18.hg3 Bf1 19.Kg1–+). vidyashankarh (2055) – laurensjulia (1800), net–chess.com, 2003.

5.Na3 c5 6.d3 Bd6 7.c4 0–0 8.Nc2 (8.Nf3 Nbd7=+) 8...Nbd7 (8...Qa5 9.Qd2 Qd2 10.Kd2–+) 9.a4? (9.cd5 ed5 (9...Nd5?! 10.e4=) 10.Nf3 Re8–/+) 9...Bc7 (9...Qa5!? 10.Qd2 Qd2 11.Kd2–+) 10.Nf3 Ba5 11.Nd2 Nb6 12.Be2? Re8?? 13.f3 e5 14.0–0 d4?? 15.e4 Bg6 16.g4 Rc8 17.h4 h5 18.g5 Nh7 19.f4 f6?? 20.f5+– fg5 21.fg6 Nf8 22.Bh5 gh4 23.Rf7 Qg5+/– 24.Qg4 Qd2=+ 25.Qh4 Nfd7?? 26.Bg4+– Nf6 27.Rf6 gf6 28.Qh7 1–0. MasterofDisaster – febble, Live Game Caissa's Web, 2004.

5.Nf3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.b5).

4.g3 e5 5.Bg2 c6 6.Nf3 Bd6 7.0–0=+ Ngf6 8.a3 0–0 9.Nbd2 h6 10.Nb3 Re8 11.Kh1 e4 12.de4 Ne4 13.Nfd2 Nd2 14.Qd2 Nf6 15.Nc5 Ne4 16.Ne4=+ Be4 17.f3 Bf5 18.Rad1= Qc7 19.e4+= Be6 20.f4 Rad8 21.e5 Bf8= 22.f5 Bc8 23.Rde1 Bd7 24.Qf2 Bc8 25.Qa7+/– Be7 26.Bd4+– (26...Bd7 27.Bb6+–) 1–0. alexp (2290) – nspaulding (2085), net–chess.com, 2006.

5.dc4 =+.

5.e4 –/+.

5.Ngf3 e6 6.a3 c5 7.b5 Bd6 8.a4 Qc7 9.Nh4 Bg6 10.Ng6 hg6 11.h3 Ng4 12.e4 f5?! 13.Be2?! Bg3 14.Bg4 fg4 15.Qg4 Bf2? 16.Kf2 Rf8 17.Nf3 0–0–0 18.Rhf1 c4 19.Kg1 c3 20.Ba3! Rf4 21.Qe6 de4 22.Bd6 Qb6 23.d4 Rf5 24.Qc4! Nc5 25.Bc5 Qc7 26.Qe6 Kb8 27.Ne5 Re5 28.Qe5 1–0. Mlynek – NN, 1984.

5.Ngf3 e6 6.a3 c5 7.b5 Bd6 8.Nh4 Bg6 9.Ng6 hg6 10.Nf3 e5 11.g3 Qa5 12.Qd2 Qb5 13.c4 dc4 14.dc4 Qb6 (14...Qc4??) 15.Bg2 Ne4?! 16.Qc2 Qa5 17.Kf1 f5?! 18.Rd1 0–0–0 19.Nh4! Ndf6 20.Be4 Ne4 21.Ng6 Rhe8 (21...Rh6!?) 22.f3 Nf6 23.Qf5 Kb8 24.Ne5 Qc7 25.Nd3 Ne4 26.f4 Qc6 27.Qd5! Qa4 28.Kg2! Bf4! 29.Qf7 Rf8 30.Qe6 Ng5 31.Be5 Ka8 32.Qg6 Qc2? 33.Nf4 1–0. Mlynek – NN, 1984.

4.a3 Nf6 5.Nf3 Be7 6.Nh4 Bg4 7.Qd2 (7.h3 Bh5=) 7...0–0 8.Qf4 (8.h3 Bh5=+) 8...Bh5 9.Qg5 (9.Be5 Bd6=+) 9...h6 10.Qg3 Bd6 11.Qe3 Bg4 (11...a5 12.b5–/+) 12.g3 (12.h3 Bh5=) 12...Bh5 13.Bg2 Ng4 14.Qd4?? (Better is 14.Qd2=+) 14…Be5–+ (15.Qe5 Ne5 16.Be5 Nc6–+) 0–1. deep6 – LealM, Live Game Caissa's Web, 2004.

4.Nd2 Bb4? 5.Bg7 Bc3 6.Bc3+–.

4.e4 de4 5.de4 Qd1 6.Kd1 Be4 7.Nd2–/+.

4.e4 Bg6 5.e5 (5.Nd2 Nf6 (5...Bb4?? 6.Bg7 Bh5 7.Ne2+–) 6.e5 Nfd7=) 5...f6 (5...Bb4 6.c3 Be7 7.Nf3–/+) 6.d4 (6.a3!?=) 6...fe5 7.de5 (7.a3 e4–/+) 7...Bb4 8.c3 Bc5 9.Nd2 (9.Nf3 Nh6–/+) 9...Nc6 (9...Ne7–/+) 10.Qg4 (10.Nb3!? Bb6 11.Nf3–/+) 10...Ne5–+ 11.Qe6 Qe7 12.Qe7 Ne7 13.Bb5 (13.Ngf3 Ng4 14.Nd4 0–0–+) 13...c6 14.Ba4?? (Better is 14.Be2–+) 14...0–0 (Better is 14...Nd3 15.Ke2 Nb2–+) 15.Ne2 (15.Ndf3 Nd3 16.Kd2 Nb2 17.Bb3–+) 15...Nd3 16.Kd1 Nb2 (17.Kc1 Nd3 18.Kc2 Rf2–+) 0–1. kamera (1610) – gzzz (1660), GameColony.com, 2002.

5.a3 a5 6.b5 c5 7.e3 Be7 8.Ne2 Qc7 9.h3 h5 10.g3 Nbd7 11.Bg2 Nb6 12.a4 Rd8 13.Bc3 Nc8 14.Qb1 b6 15.Qb2 Nd6 16.Nf3 c4 17.Ne5 Nd7?? 18.Nd7 Kd7 19.Bg7 cd3 20.cd3 Bd3?? 21.Bh8+– Nc4 22.Qb3 Be2 23.Bd4 e5 24.Ke2 ed4 25.Bd5 d3 26.Qd3 Ne5 27.Qf5 Ke8 28.Rac1 (28...Qd6 29.Rhd1+–) 1–0. Rewitz,Poul (2235) – Lassen,Hans Joergen, DEN–chT, 1989.

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 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.b5 Be7 7.Ngf3 0–0 8.g3 Qb6 9.a4 a6 (Black gets strong initiative) 10.c4 Qa5 11.Bg2 dc4 12.dc4 Rd8 13.0–0 Ne4 14.Bc1 ab5–/+ 15.cb5 Bf6 16.Ra3 Bc3 17.Ra2 Bb4 18.Qb3? Nc3?? 19.Nc4–/+ Qc7 20.Bf4 Qe7 21.Rb2 Nd7 22.Ra1 Nb5 23.Rc1 Na7 24.Bd6 Qf6=+ 25.Nfe5 Ne5–/+ 26.Be5 Qe7 27.Nb6= f6 28.Na8+/– Ra8 29.Bc3+– Nc6 30.Bc6 bc6 31.Bb4 cb4 32.Qb4 Qd7 33.Ra2 Qd5 34.Qc4 Ra5? 35.Qd5 cd5 36.Rc8 Kf7 37.Rb8 d4 38.Rb5 Ra7 39.f3 e5 40.a5 Ke7 41.Rb8 Kd6 42.Kf2 Kc5 43.Ra1 Kd5 44.h4 Bd7 45.Rb6 f5 46.a6 Bc8? 47.Ra5 Kc4 48.Re5 Ra6 49.Ra6 Ba6 50.Rf5 Kc3 51.Rf7 Bb5 52.Rg7 Kd2 53.Re7 (53...Bc4 54.Rd7+–; 53.Rb7 Bc4+–) 1–0. Valenta,Vit – Jancalek,Petr, Morava–ch U20, 1992.

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 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 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.g4 Qg2–+) 0–1. Protze,Gunter – Wuttke,Johannes, BdF, 2000.

5.a3 c5 6.bc5 Bc5=+ 7.e3 Nbd7 8.Ngf3 0–0 9.Be2 h6 10.0–0 Rc8 11.c4 (11.Rb1 Qc7=) 11...Ng4 (11...dc4!? 12.Nc4 b5=) 12.Nd4 Bd4 13.Bd4 Nge5 14.cd5 ed5 15.Ba7 b6 16.Nf3 Nc6–/+ 17.Bb6 Qb6 18.Qd2 Rb8 19.Rfc1 Rfc8 20.h3 Qb2 21.Qb2 Rb2 22.Bf1 Nde5 23.Ne5 Ne5 24.Rc8 Bc8 25.a4 Ba6 26.d4 Nc4 27.g3=+ Kf8 28.Bg2 Bb7 29.a5 Rb5 30.a6= Ba8 31.Bf1 Ra5 32.Ra5 Na5 33.Bb5 Ke7 34.Kf1 Kd6 35.h4? Kc7–/+ 36.Ke2 Kb6–+ 37.Bd3 Nc4 38.Kd1 Nb2 39.Kd2 Nd3 40.Kd3 Ka6 41.Kc3 Kb5 42.Kd3 Kb4 43.Kc2 f5 44.Kb2 Bb7 45.Kc2 Ba6 46.Kd2 Kb3 47.f3 h5 48.Kd1 Kc3 0–1. Fengsrud,Roy – Gross,Wilhelm, corr 3GMM–08, 1997.

5.a3 c5 6.e4!? Bg6 7.ed5 Qd5 8.bc5 Bc5 9.Ngf3 =.

5.a3 Nbd7 6.c4 =+.

5.Rb1 d4 =+.

5.b5 a6 6.a4 Be7 7.Ngf3 0–0 8.e3 c6 9.Nd4 Bg6 10.bc6 bc6 11.Be2 Qc7 12.N4f3 Nbd7 13.c4 Rab8 14.Bc3 h6 15.0–0 Bd6 16.Bf6= Nf6 17.d4 a5 18.c5= Be7 19.Ne5 Bh7 20.Bd3 Bc5 21.Bh7 Nh7 22.Rc1 Ba3 23.Rc6 Qb7 24.Rc3 Bb4= 25.Rc2 Nf6 26.Nb3 Rfc8 27.Nd3 Ne4 28.f3 Rc2 29.Qc2 Rc8 30.Qb1 Nc3 31.Na5 Qa6 32.Nb4 Qa5 33.Qb3 Qa4 ½–½. Rellstab,Ludwig Sr – Heil,Siegfried, Kiel op, 1965.

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 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?? 28.Be4 Ne4 29.Nf7 Kg8 30.e7! Nd2 (30...Be7 31.Nd6) 1–0. Walther,Manfred (1890) – Erbe,Holger (1665), DESC, 2000.

5.e4!? de4 6.Bf6 Qf6 7.de4 =+.

5.Ngf3 Bb4–/+ 6.Nh4 Bg4 7.c3 0–0?? 8.cb4+– c5 9.bc5 ½–½. calu_mishu (1635) – yaunootz, chesshere.com, 2006.

4.c4 c6 5.Nf3 f6 6.cd5 cd5 7.d4 Nd7 8.Be2 e5 9.de5 Bb4 10.Nbd2 Ne7 11.ef6 Nf6 12.0–0 0–0 13.a3 Bc5 14.Rc1 b6 15.Nb3 Qd6 16.Nbd4 Bg4 17.Ng5 Be2 18.Qe2 Qd7 19.h3 Ne4 20.Ne4 de4 21.Qc4 Rf7 22.Ne6+– Qb5 23.Bg7 Qc4= (24.Rc4 Rg7 25.Ng7 Kg7=). Suess,Stefan – Schloetterlein, Odenwald, 1984.

4.c4 Nc6 5.b5 Nb4 6.d3 dc4 7.a3 Nd3 8.Bd3 cd3 9.a4 e6 10.Nc3 g6 11.Nf3 Bb4 12.0–0 Qf6 13.Nd4 c5 14.bc6 e5 15.Nf5 Qf5 16.Nd5 Bd6 17.cb7 Rb8 18.Qb3 Ne7 19.Nf4 0–0 20.Nd3 Qd7 21.Ne5 Qf5 22.g4 Qg5 23.f4 Qh4 24.Nd7 Qg4 25.Kh1 Qd7 26.Qc3 f6 27.Rad1 Qb7 28.Kg1 Rbc8 29.Qd4 Rc2 30.Rd2 Rd2 31.Qd2 Bb4 32.Qd4 Nd5 33.e4 Qb6 34.ed5 Qd4 35.Bd4 f5 36.Rc1 Bd2 37.Rc7 Re8 38.d6 Bf4 39.d7 Re1 40.Kf2 Bc7 41.Ke1 Kf7 42.Be5 Bd8 43.h4 Ke7 44.Bf4 Kd7 45.Bg5 Ba5 46.Ke2 Kc6 47.Kd3 Bc7 48.Kd4 Bb6 49.Ke5 Kc5 50.Be7 Kc4 51.Kf6 Bd4 52.Kf7 f4 53.h5 gh5 54.Bh4 Kb4 55.Kg8 f3 56.Kh7 f2 0–1. Trokenheim – shred, itsyourturn.com, 2000.

4.d4 Qd6 5.a3 Nf6 6.c4 e6 7.c5 Qc6 8.Nc3 Qd7 9.Nf3 b6 10.Ne5 Qc8 11.Rc1 b5 12.Bd3 Bd3 13.Qd3 Qb7 14.0–0 Ne4 15.Ne4 de4 16.Qc2 f6 17.c6 Qc8 18.Nd7 Nd7 19.cd7 Qd7 20.Qe4 c6? 21.Rc6+– Ra7 22.Re6 Be7 23.Rc1 0–0 24.Qc6 Rd8 25.e4 Bd6 26.d5 Bf4 27.Qd7 Rad7 28.Rcc6 Rc7 29.Rc7 Bc7 30.Ra6 Kf7 31.Rc6 Bb8 32.Kf1 Re8 33.f3 Bh2 34.Ke2 f5 35.Kd3 (35...Be5 36.Be5 Re5 37.Kd4+–) 1–0. Loulou – mummy10, HCL–B1736 playchess.de, 2003.

4.Nf3 Nd7 5.c4 dc4 6.Bc4 e6 7.a3= Nb6 8.Qb3 Nf6 9.Nd4 Be4 10.f3 Bd5 11.Bd5= Nfd5 12.Nc3 Be7 13.Nd5 Nd5 14.Ne2 Bf6 15.Bf6 Qf6 16.Rc1 c6 17.e4 Ne7 18.Qe3 Qh4 19.g3 Qf6 20.0–0 0–0 21.Qb6 Rab8 22.Qc7 Ng6 23.d4 Qg5 (24.Rf2 Rfc8=). HMBCHESS2 – lowbrow, Live Game Caissa's Web, 2005.

4.Nf3 e6 5.a3 Nf6 6.Be2 h6 7.0–0 Bd6 8.d4 b5 9.a4 ba4 10.Ra4 a5 11.ba5 0–0 12.a6 Qc8 13.a7 Nc6 14.Ba6 Qd7 15.Bb5 1–0. Machete99 – Baraka, ICC, 2002.

4.Nf3 f6 5.c4 e6 6.Nd4+= Nc6 7.Nf5 ef5 8.a3 Qd7 9.cd5 Qd5 10.Nc3 Qd7 11.b5 Ne5 12.d4 Ng6 13.ba6 ba6 14.Bd3 Bd6 15.Qf3+– c6 16.Bf5 Qc7 17.Ne4 N8e7 18.Nd6 Qd6 19.Be4 0–0 20.0–0 Nd5 21.Rfc1 Nge7 22.a4 Rfc8 23.Ba3 Qe6 24.Be7 Ne7 25.Rc5 a5 26.Rac1 Ra6 27.Bd3 Rb6 28.Bc4 Nd5 29.Bd5 cd5 30.Rc8 Kf7 31.Qh5 Ke7 32.Qe8 (32...Kd6 33.R1c6 Rc6 34.Rc6#) 1–0. Eralos – Cmurillo, ChessWorld.net, 2003.

4.Nf3 h6 5.a4 c6 6.Na3 f6 7.c4 Bg4 8.Be2 Bh5 9.Nh4 Bf7 10.Bh5 g5 11.Ng6 Bg6 12.Bg6 Kd7 13.c5 e6 14.0–0 Ne7? 15.Bf6+– Rg8 16.Bh5 Qc7? 17.Qg4 Bg7 18.Bf7 Bf6 19.Qe6 Kd8 20.Qf6 Rf8 21.Qg7 Nd7 22.Be6 Nf5? 23.Bf5 Rf5 24.Nc2 Qe5 25.Qe5 Ne5 26.f4 gf4 27.ef4 Nd3 28.g3 Kd7 29.Rf3 Nb2? 30.Nd4 Rf6 31.Ra2 Nc4 32.d3 Re8 33.Kf2 Nd6 34.cd6 Kd6 35.Re2 Rg8 36.Rfe3 Kc7 37.Re7 Kc8 38.Rh7 b6 39.Ree7 c5 40.bc5 b5 41.ab5 ab5 42.Rc7 (42…Kd8 43.Ra7 Ra6 44.Ra6 Rg7 45.Rg7 b4 46.Ra8#) 1–0. algernon (2100) – bienopia (2100), net–chess.com, 2004.

4.g4!? Bg6 5.Nf3 e6 6.a3 Nd7 7.h4 h6 8.Ne5 c6?! 9.Ng6 fg6 10.Bd3 Ne7 11.f4 Qc7 12.h5 g5 13.0–0 0–0–0 14.Qe1 Nf6 15.Be5 Qd7 16.Qe2 Rg8 17.fg5 hg5 18.c4 Ne4 19.Be4 de4 20.Nc3 Qd3 21.Qd3 ed3 22.Ne4 g6 23.Nd6!! Rd6 24.Bd6 Kd7 25.Be5 gh5 26.gh5 Bg7 27.Bg7 Rg7 28.e4 Rh7 29.Rf3 Rh5 30.Rd3 Kc7 31.Rf1 Rh7 32.Rf6 Rg7 33.Re6 Ng6 34.Rf6 Ne5 35.Rd4 g4 36.Kg2 Nf3 37.Rdd6 Ng5 38.d3 Nf3 39.Kg3 Ne5 40.c5 Nf7 41.Rde6 Nd8 42.Re5 Rd7 43.Kg4 Rd3 44.Re7 1–0. vik – OtoXII, Internet, 2001.

5.Bc4 b5 6.Bf7?! Kf7 7.Qf3 e6 8.Qa8 Bb4 9.Qf3 Nf6 10.Bf6 Qf6 11.Nh3 Qa1 12.0–0 Rf8 13.e4 Kg8 14.ef5 Qa2 15.Qb7 ef5 16.Qc7 Bd2 17.Rd1 Qb3 18.Rf1 Bb4 19.Nf4 Qf7 20.Rc1 Qc7 21.Rc7 Bd6 22.Ne6 Bc7 0–1. Trokenheim – prezes, itsyourturn.com, 2000.

5.Bc4 e6 6.a3 Bb1 (Better is 6...Nf6!?=) 7.Rb1+= Nf6 8.d4 Bd6 9.Qf3 Nc6 10.Bb3 0–0 11.Ba4 Qd7 12.Ne2 b5= 13.Bb3 a5 14.Rc1 Ne7 15.e4 ab4 16.e5 ba3 17.Bc3 b4 18.ef6 bc3 19.fe7 Be7 20.0–0 Ra5 21.Qc3 Qb5 22.Qc7 Qb3? 23.Qa5 Qb2 24.Qa6 h6 25.Rc7 Qe2 26.Re7 +/–. Steinutz – Stiller, ChessWorld.net, 2002.

5.c5 Nf6 6.Nf3 a5 7.b5 (7.a3!?=) 7...Bc5–/+ 8.d4 Bb4 9.Nbd2 c6 10.a3 Bd2 11.Qd2 0–0 12.a4 cb5 13.ab5 b6 14.Ba3 Re8 15.Ne5 Nbd7 16.Nc6 Qc7 (16...Ne4 17.Nd8 Nd2 18.Kd2 Red8 19.Be2=+) 17.Be2 Kh8 18.0–0 e5 19.f4 (Better is 19.Rfc1!? ed4 20.Nd4=) 19...ed4 20.Qd4 Re4 21.Qc3 Rae8–+ 22.Bc1 Bg4 23.Bg4 Ng4–+ 24.Rf3 Nc5 25.h3 Ne3?? 26.Be3+– f5 27.Ne5 Qa7 28.Bc5 bc5 29.Qd2 c4 30.Kh2 d4 31.Nc4 Re2 32.Qd3 1–0. maxum – ThatOne, Live Game Caissa's Web, 2004.

5.Nf3 Bb4?? 6.Bg7 dc4 7.Bc4 +–.

5.Nf3 Nd7 6.cd5 ed5 7.Be2 Ngf6 (7...Bb4?? 8.Bg7 Ngf6 9.Bh8+–) 8.a3 Be7 9.Nc3 c6 10.0–0 0–0 11.Nd4 Bg6 12.f4 h6 13.Bf3 a5 14.Qb3 Qc8 (14...Bd3 15.Be2 Be2 16.Nce2=) 15.Rac1 Nb6 16.Be2 Be4 17.f5 g6? 18.fg6 Bg6+/– 19.Rf4 Qb8 20.Nf5 Bf5 21.Rf5 a4 22.Qc2 Nc4 23.Bc4 dc4 24.Ne2 Ng4 25.Nf4 Bg5? 26.Qc4 Qd6 27.Qe2 Bf4? 28.Qg4 Qg6 29.Rf4 Kh7 30.Qf5 Rad8 31.Qg6 Kg6 32.Rf6 Kg5 33.Rc5 1–0. Otte,Marco – Bijlmakers,Steef, Wag.Intcomp Wageningen, 2002.

5.f3 Bg6 6.h4 h5 7.a3 Nc6 8.b5 ab5 9.Bb5 hg4 10.fg4 e6 11.h5 Be4 12.Rh3 Bd6 13.Bg7 Rh7 14.h6 Bg2 15.Rh5 Bg3 16.Ke2 Nf6 17.Bd3 Nh5 18.Bh7 Qg5 19.d4 Qg4 20.Kd2 Qd1 21.Kd1 Ke7 22.Nc3 Bf2 23.Ke2 Bg1 24.Rg1 Be4 25.Ne4 e5 26.Nc3 ed4 27.Nd5 Kd6 28.Rg5 1–0. mtra – Clothov7, internet, 2002.

5.f3 Bg6 6.h4 h5 7.a3 e5 8.g5 Nd7 9.d4=+.

5.f3 Bg6 6.h4 h5 7.a3 e6 8.g5= Nc6 9.Ne2 e5 10.Bh3 Bd6 11.Nbc3 (11.0–0 Nge7=) 11...Nge7=+ 12.Rg1 (12.Bg2 0–0=+) 12...0–0–/+ 13.e4 d4 14.Na2 b5 15.c3 dc3 16.dc3 Nc8 17.Qb3 Nb6–/+ 18.0–0–0 Nc4 19.Rd3 Qb8 20.f4?? ef4 21.Bf5 N6e5 22.Rd5 Ne3 23.Nf4? Nd5 24.Qd5 Nc4 25.Bg6?? Bf4 26.Kc2 Ne3 0–1. kamera – NN, GameColony.com, 2002.

4.a3= a6 5.Nf3 Qd7 6.Be2 0–0–0 7.b5+= ab5 8.Bb5 e6 9.0–0 f6 10.d4 Bd6+= 11.Nbd2 Nge7 12.c4+/– h5? 13.c5 Bh2 14.Kh2 h4 15.Qa4 Qe8 16.Qb3 h3 17.g3 Qg6 18.a4 Bc2 19.Qc3 Be4 20.a5 Bf3 21.Nf3 Qe4 22.Be2 g5 23.Qd3 Qg6? 24.Qg6 Ng6 25.a6 ba6 26.Ra6 Kd7 27.Nd2 Ra8?! 28.Ra8 Ra8 29.Ra1 Ra1 30.Ba1 Nb4 31.Kh3 e5 32.Bh5 Ne7 33.de5 fe5 34.Be5 Nd3 35.f4 gf4 36.ef4 Nc5 37.Nf3 Ne4 38.Nd4 c5 39.Bg4 Ke8 40.Bh5 Kd7 41.Ne2 d4 42.Nd4 cd4 43.Bg4 Ke8 44.Bd4 Ng6 45.Bf5 Ng3 46.Kg3 Nf4 47.Kf4 Kd8 48.Ke5 Kc7 49.Kd5 Kb7 50.Kc5 Kc7 51.Be5 Kb7 52.Kb5 Ka8 53.Kc6 Ka7 54.Bd3 (54...Ka8 55.Kc7 Ka7 56.Bd4 Ka8 57.Be4#) 1–0. Kadziolka,Andrzej (2075) – Pertl,Nikola, Trinec op, 2001.

4.a3 b5 5.Bb5 Bd7 6.Nf3 Nf6 7.h3 e5 8.0–0 a6? 9.Bc6+– Bc6 10.Ne5 Qd6 11.d4 Bb5 12.Nc3 Bf1+= 13.Qf1 Be7 14.b5 0–0= 15.f4 Ne4 16.Ne4= de4 17.Nc4 Qg6 18.b6 cb6–/+ 19.Nb6?? Qb6–+ 20.Rb1 Qa5 21.c3 Ba3 22.Ba3?? Qa3 23.g3 Qc3 0–1. lokia – polypam (2035), net–chess.com, 2003.

4.a3 Qb8 5.b5 Nd8 6.Nf3 c6 7.Be2 cb5 8.Bb5 Nc6 9.0–0 a6 10.Bd3 Bd3 11.cd3 Qd6 12.Nc3 Qc5 13.Qb3 Na5 14.Qd5 Qd5 15.Nd5 Nb3?? 16.Nc7+– Kd8 17.Na8 Na1 18.Ra1 e6 19.Rc1 (19...f6 20.Rc7+–) 1–0. miehnekort – sapty_smiley, Yahoo, 2005.

4.a3 Ne5 5.d4?? Ng4 6.h3 N4f6 7.c4 dc4 8.Bc4 Bb1 9.Rb1+= Ne4 10.Nf3 e6 11.0–0 Ngf6 12.Qc2 Bd6? 13.Bd3+– 0–0 14.Be4 Ne4 15.Qe4 b6 16.d5 ed5 17.Qd4 c5 18.Qg7 1–0. woschkat (2200) – islanderfan, net–chess.com, 2001.

4.a3 e6 5.d4 Bd6 6.c4 Nf6 7.c5 Be7 8.Bd3 Bd3 9.Qd3 Ne4 10.Nd2 Nf2?? (Better is 10...Nd2 11.Qd2 a6=) 11.Kf2+– Bh4 12.Ke2 (12.g3 Bg5+–) 12...Qg5 13.Kd1 (Better is 13.Kf1+–) 13...Qg2+= 14.Qe2 Qh1 15.Kc2 Nb4?? 16.ab4+– Qg1 17.Rg1 0–0 18.e4 de4 19.Ne4 a5 20.Qg4 Bf6 21.Nf6 Kh8 22.Qg7 1–0. slavisa10 – kilmer49, Live Game Caissa's Web, 2004.

4.a3= Nf6 5.Bb5 =.

4.b5 Nb8 5.c4 e6 6.a3 Nf6 7.Nf3 Nbd7 8.d4 b6 9.Bd3 Bd3 10.Qd3 Ne4 11.Nc3 Ndf6 12.0–0 Be7 13.Ne5 Nc3 14.Bc3 Ne4 15.Nc6 Qd7 16.Ne7 Qe7 17.Bb4 Qd7 18.a4 a5 19.ba6 Qc8 20.a5 Ra6 21.ab6 Rb6 22.Rfb1 Qd8 23.c5 Rb8 24.c6 Nd6 25.Ba5 Rb1 26.Rb1 1–0. mtr – amt, internet, 2001.

5.d3 a6 6.ba6 Ra6 7.Nd2 =.

5.d3 b6 6.Be2 c6 7.bc6 Nc6 8.d4 Nf6 9.Bb5 Qd6 10.c3 a6=+ 11.Qa4 Bd7 12.Nf3 g6 13.0–0 Bh6 14.Ba3 Qc7 15.Nbd2 0–0 16.Bc6 Bc6=+ 17.Qb4 Rfe8 18.Rab1 b5 19.Ne5 Bf8 20.Nc6 e6 21.Qb3= Qc6 22.Bf8 Kf8 23.Qa3 Kg7 24.Qa5 Rec8=+ 25.Rfc1 Qd6 26.Nb3 Rc4 27.Nc5 Ne4 28.Ne4+= de4 29.Rb5 ab5 30.Qa8 b4 31.Qe4 Rc3 32.Rd1 Ra3 33.Qb1+/– Qb6 34.Qb2 Kg8 35.g3 Qa5+= 36.e4 Ra2=+ 37.Qb3 Qa3 38.Rb1 Ra1–/+ 39.Qd1?? Rb1–+ 40.Qb1 b3 41.d5 b2 42.d6 Qa1 43.Qa1 ba1Q 44.Kg2 Qe5 45.d7 Qe4 (46.Kg1 Qd4–+) 0–1. tschulz – reisinger, mySchach.de, 2005.

5.d3 c6 6.g4 Bd7=+ 7.Bg2 e6 8.bc6 Nc6 9.Nf3 f6 10.Nfd2 Bd6 11.g5 Be5 12.Be5= Ne5 13.f4 Nf7 14.h4 Qc7 15.0–0 0–0–0 16.a4 g6 17.c4= Bc6 18.Qb3 h6 19.Na3 hg5=+ 20.Nb5 Qb8 21.cd5= ed5 22.Rac1 Ne7 23.e4+/– Rh4 24.ed5 Nd5 25.Bd5 Rg4 26.Kf2 Qf4 27.Ke1 Qe3 28.Kd1 Ne5 29.Be6 Kb8+/– 30.Bg4 Ng4 31.Rc6 Qd3?? 32.Qd3+– Rd3 33.Rcf6 (33...Nf6 34.Rf6+–; 33.Re6 Rd8 34.Ke2 a6+–) 1–0. Martois,Karl Erik – Sillanpaa,Yrjo, corr FIN–ch I, 1972.

5.Nf3 Nf6 6.Be2 Nc4 7.Bc4 dc4 8.Na3 Qd5 9.Qe2 Be4 10.Nc4 Bc2 11.Nce5 Ba4=+ 12.0–0 Bb5 13.d3 0–0–0 14.Rfc1 Bd3–/+ 15.Qe1 Bg6 16.Rd1 Qe6 17.Rd8 Kd8 18.Ng5 Qb6 19.Bd4 c5 20.Ng6 Ke8?? 21.Nh8 cd4 22.Qc1 e5 23.Qc8 Ke7 24.Nhf7 de3 25.fe3 h6 26.Qd8 Qd8 27.Nd8 hg5 28.Nb7+– g4 29.Na5 Ke6 30.Nb3 Bd6 31.Rc1 Kd5 32.Nd2 Bc5 33.Kf2 Bb4 34.Ke2 g6 35.e4 Kd6 36.Nc4 Ke6 37.Kd3 Nd7 38.Rc2 Be7 39.Nd2 Nc5 40.Kc4 Kd6 41.Rc3 Bg5+/– 42.Rc2 Be7+– 43.Kb5 a6 44.Kb6 Bd8 45.Ka7 Kc6 46.Nb3 Bb6 47.Ka8 Kb5 48.Nc5 Bc5 49.Kb7 Bd4 50.Kc7 Kb4 51.Kd7 a5 52.Kc7 (52...a4 53.Kd6+–; 52.Ke6 g3 53.h3 a4+–) 1–0. Plock,Joerg – Hentschke,B, corr, 1990.

5.a3 Nc2 6.Ke2 Na1 7.Ba1 d4 8.Ke1 (8.Bd4 e5! 9.Be5 Qd3 10.Ke1 Qb1 11.Qb1 Bb1–+) 8...de3 (Better is 8...e5 9.ed4 ed4 10.Bc4–+) 9.de3 (9.fe3 Nh6 10.Nf3–+) 9...Qd1 10.Kd1 e6 (10...Bb1 11.Kc1 Bf5 12.Ne2–+) 11.Be2?? (11.Nd2–+) 11...Bb1 12.Bf3 (12.Bb2 Be4 13.f3 Rd8 14.Kc1 Bd3–+) 0–1. annmarie – geimbcke, Live Game Caissa's Web, 2004.

5.d3 d4 6.a3 Nd5 7.e4 Nc3 8.Bc3 dc3 9.ef5 Qd5 10.Nc3 Qf5 11.Qf3 Qe5 12.Nge2 0–0–0 13.Qf7 g6 14.d4 Rd4 15.Qf8 Kd7 16.f4 Qe3 17.g3 Nf6 18.Bh3 Kd6 19.Qh8 Kc5 20.Qb8 Rc4 21.Qc7# 1–0. Rosner,Dirk – Baier,Andreas, Tiger SC, 2000.

5.d3 d4 6.e4 Be6 7.a3 Na2 8.Nf3 Nc3 9.Nc3 dc3 10.Bc3 Nf6 11.Be2 a6 12.a4 Qd7 13.Bf6 (Better is 13.0–0!?+–) 13...ef6+= 14.0–0 ab5 15.ab5 Ra1 16.Qa1 Qb5 17.Rb1 Qa6 18.Qa6 ba6 19.Ra1 Bc8 20.d4 Bb7 21.d5 f5 22.ef5 Bd5 23.Ra6 Bd6 24.Bb5 Ke7 25.Nd4 Kf6 26.g4 Rb8 27.c4 Bb7 28.Ra2 Kg5 29.f3?? Bc5–+ 30.Rd2 Rd8 31.Kg2 Rd4 32.Rd4 Bd4 33.Be8 Kf6 34.Kg3 c6 (35.Bc6 Bc6–+) 0–1. hal1958 – trousersnake, HCL–A1530 playchess.de, 2003.

5.d3 e6 6.a3 c6 7.ab4 Bb4 8.Nc3 cb5 9.d4 Rc8 10.Bb5 Ke7 11.Nge2 Be4 12.0–0 a6 13.Bd3 Bd3 14.Qd3 Nf6 15.Ba3 Ba3 16.Ra3 Re8 17.Rb1 Qc7 18.Nf4 g6 19.g3 Kf8 20.f3 Ra8 21.e4 b5 22.Rb4 de4 23.fe4 Qd6 24.Rab3 Qd7 25.Nfe2 Red8 26.Nb5 ab5 27.Rb5 Ra1 28.Kg2 h6 29.c3 Ng4 30.Rb8 Rb8 31.Rb8 Kg7 32.Nf4 Ra2 33.Kh3?? Nf2 0–1. mtr – amt, Caissa's Web, 2001.

5.d3 e6 6.a3 Nd3 7.Bd3 Bd3 8.cd3 Nf6 9.Nf3 Bd6 10.e4 d4?? 11.e5 Bc5 12.ef6 Qf6 13.0–0 0–0 14.Nbd2 e5 15.Ne4 Qe7 16.Nc5 Qc5 17.Re1 Qb5 18.Rb1 Qd7 19.Ne5 Qf5 20.Nf3 c5 21.Rc1 b6 22.Re5 Qf4 23.Qe2 h6 24.Re1 Qf6 25.Re7 Kh7 26.Qe4 g6 (27.Qg4 Kg7+–; 26...Qg6 27.Qg6 fg6 28.R1e6+–). sculp – KINGCOBRA, Live Game Caissa's Web, 2006.

5.d3 e6 6.a3 Nf6 7.ab4 Bb4 8.Nd2 0–0 9.Ngf3 Re8 10.Be2 e5 11.Ne5 Bd2 12.Qd2 Qd7 (12...a6+–) 13.Nd7 (13...Bd7 14.Bf6 gf6 15.Qc3 Bb5 16.Qc7+–) 1–0. orane (2205) – radi8288, Live Game Caissa's Web, 2004.

5.d3 Nf6 6.a3 Nc2 (6...e6 7.ab4 Bb4 8.Nd2+–) 7.Qc2 b6 (7...e6 8.Nd2+–) 8.Nf3 e6 (8...Qd7 9.Nbd2+–) 9.Bf6 (Better is 9.Qc6 Ke7 10.Be5+–) 9...Qf6 (9...gf6 10.Qc6 Ke7+–) 10.Qc6 Ke7 11.Qc7 Ke8 12.Qc6 Ke7 13.Qb7 Kd6 14.Qa8 Qa1 (14...Bg6 15.d4 a6+–) 15.Qd8 Kc5 16.d4 Qd4 17.ed4 1–0. orane (2000) – Dreamcrush, Live Game Caissa's Web, 2004.

5.a3 0–0–0 6.Nf3 Nb4 (6...f6 7.0–0=) 7.Nd4+= a6?? (Better is 7...Nc2 8.Nc2 Qg6+=) 8.Nf5+– Qg6 (8...Qb6 9.ab4 (9.Bg7?! Bg7 10.Ng7 Qf6+/–; < 9.Ng7 Bg7 10.Bg7 Qg6 11.Bh8 Nc2 12.Kf1 Na1+–) 9...Qb5 10.Ng7 Qb4 11.Bc3+–) 9.ab4 ab5 10.Ng3 f6 11.0–0 e6 12.Ra8 Kd7 13.Ra5 c6 14.c3 Bd6 15.d3 Ne7 16.e4 Ra8 17.Ra8 Ra8 18.Re1 Ra2 19.Qb3 Ra8 20.Nd2 e5 21.Nf3 de4 22.de4 h5 23.Rd1 Kc7 24.Qe6 Rd8 25.Rd6! Qe8 26.Rd8 Qd8 27.h3 1–0. Wall,Bill – Herugil, Internet, 2003.

5.Nc3 a6 6.Bc6 Qc6 7.Nf3 e6 8.Nd4 Qb6 9.Nf5 ef5 10.Nd5 Qd6 11.c4 Nf6 12.Bf6 gf6 13.f4 c6 14.Nb6 Rd8 15.c5 Qe6 16.a3 h5 17.0–0 Qe4 18.Rf2 Rg8 19.Qh5 Rd2 20.Rd2 Qe3 21.Rf2 Be7 22.Qf5 Kf8 23.Qc8 Kg7 24.Qb7 f5 25.Qc6 Kh7 26.Qf3 Qd4 27.Rd1 1–0. marus1 – hitjosh, internet, 2001.

4.Nc3 Ngf6 5.Bb5 c6 6.Ba4 b5 7.Bb3 e6 8.a4 Bb4 9.ab5 Bc3 10.Bc3 cb5 11.Ra5 a6 12.Nf3 h6 13.0–0 0–0 14.Qa1 Qb6 15.Bd4 Qc6 16.c3 Rfe8 17.Bf6= Nf6 18.Ne5 Qd6 19.d4 Re7 20.Rc1 Rea7 21.c4 dc4–+ 22.Bc4 bc4 23.Nc4 Qc6 24.Nd2 Qd7 25.Nf3 Rc7 26.Ne5 Rc1 27.Qc1 Qc8 28.Rc5 Qe8 29.h3 Nd7 30.Rc4 Ne5 31.de5 a5 32.Rh4 Qc8 33.Qd1 Qc2 34.Qf3 Rd8 35.g4 Be4 36.Qf4 Qd1 37.Kh2 Qh1 38.Kg3 Qg2# (38...Qg1#) 0–1. tschulz – Joschi, internet, 2004.

4.c4 Ngf6 5.Nc3 e5=+ 6.Qb3 d4 7.ed4 ed4 8.Nb5 c5 9.Qg3 Qe7 10.Kd1 Ne5 11.bc5= Ne4 12.Qf4 Bg4 13.Kc1 Nc5=+ 14.Qd4 Nc6?? 15.Qg4+– Nb4 16.Nh3 Qe1 17.Qd1 Nbd3 18.Bd3 Nd3 19.Kc2 Qe4 20.Nc3 Qc4 21.Qe2 Be7 22.Qd3 (22...Qd3 23.Kd3 0–0–0 24.Kc2+–) 1–0. Kulbacki,James – Grams,P, Detroit ch–MI, 1992.

4.d3 e5 5.a3 Ngf6 6.c4 c6 7.Qc2 Bd6 8.c5 Bc7 9.Nd2 0–0 10.Ngf3 Qe7 11.e4 Bg6 12.g3 a5 13.Bg2 ab4 14.ab4 Ra1 15.Ba1 Ra8 16.0–0 Nf8 17.Bb2 N6d7 18.Nh4 Qe6 19.f4 ef4 20.gf4 Qg4 21.Ng6 Ng6 22.f5 Nf4 23.Nf3 Ra2 24.Ra1? Ra1 25.Ba1=+ h5 26.Kf1 de4 27.de4 f6 28.Qf2?? Ng2–+ 29.Qg2 Qe4 30.Bd4 Qf5 31.Kg1 Qb1 32.Qf1 Qb4 33.Qh3 Qb1 34.Kg2 Qc2 35.Bf2 Qg6 36.Bg3 Bg3 37.Qd7 Bd6 38.Kh1 Bc5 39.Qb7 Qe4 40.Qc8 Kh7 41.Qh3 Qg4 42.Qf1 Qe4 43.Qh3 Kh6 44.Qg2 g5 45.h3 Qb1 46.Kh2 Bd6 (47.Qg3 Qb2 48.Kh1 Bg3 49.Kg1 Qf2 50.Kh1 Qf3 51.Kg1 Qf2 52.Kh1 Qf1#) 0–1. Rempe,Torge – Hintz,Bastian (1710), Schleswig Holstein–chA U16, 2000.

4.Bd3 Bd3 5.cd3 e5 6.a3 Ngf6 7.Ne2 Bd6 8.Nbc3 c6 9.d4 0–0 10.h3 Re8 11.Qc2 Nb6 12.de5 Be5 13.d3 d4 14.ed4 Bd4 15.0–0 Be5 16.Rad1 Qd7 17.Ne4 Bb2 18.Qb2 Nbd5 19.Nc5 Qe7 20.Rfe1 Rad8 21.Kf1 Qc7 22.Kg1 Re7 23.Qc2 Rde8 24.Ne4 Ne4 25.de4 Nf6 26.Nc3 Qf4 27.f3 h6 28.Rd3 Nh5 29.b5 Re6 30.bc6 bc6 31.Rd7 Rg6 32.Qf2 Qb8 33.Qa7 Nf4 34.Qb8 Rg2 35.Kf1 Rb8 36.Ne2 Rb2 37.Rdd1 Rge2 38.Re2 Re2 39.Ra1 Rb2 0–1. Dolin – Frias, Las Palmas 1975.

4.d4 Ngf6 5.c4 c6 (5...e6 6.Qa4=+) 6.Nc3 e6 7.Qb3 (7.c5 Be7=+) 7...Be7 8.Nf3 0–0 9.Be2 h6 (9...dc4 10.Bc4 b5 11.Be2=+) 10.0–0 Qb8 11.Rac1 Bd6 12.cd5 ed5 13.b5 Rc8 14.Na4 Bg4 15.h3 Bh5 16.Ba3 Ne4 17.Rc2 Ba3=+ 18.bc6 Rc6 19.Rc6= bc6 20.Qa3 Qb7 21.Nc3 Rb8 22.Rb1 Qc7 23.Rb8 Qb8 24.Ne4 Bf3 25.gf3+/– de4 26.fe4 Qb1 27.Bf1+– Nf6 28.Qa7 Ne4 29.Qa8 Kh7 30.Qc6 Nd2 31.Qb5 Qa2 32.Bd3 g6 33.Qd7 (Better is 33.Kg2+–). Wilk,K – Jablonski,J, Ustrzyki Dolne op, 1996.

4.Ne2 e5=+ 5.a3 Ngf6 6.Ng3 Bg6 7.Nc3 c5 8.bc5 Bc5 9.Be2 0–0 10.0–0 Re8 11.Ra2 a6 12.Bf3 e4 13.Be2 d4 14.ed4 Bd4 15.Nh5 Rc8 16.Nf6 Nf6 17.Re1 b5 18.Ba1? Nd5 19.Nd5–/+ Qd5 20.Qb1 Ba1 21.Qa1 Qd2 22.c4 Qa5 23.cb5 ab5 24.Rd1 Rc5 25.Qd4=+ Qc7 26.Rb2 Qc6 27.Qd7 Qd7 28.Rd7 Rc3 29.Rb5 Ra3 30.g3 h6 31.Bc4 e3 32.fe3 Rae3 33.Kf1 Rf3 34.Kg2 Be4 35.Rc7 Rc3 36.Kh3 Rc4 37.Rc4 (37...Bd3 38.Rcb4 Bb5 39.Rb5–/+). Lindberg,Rune – Lindberg,Stefan, MCO, 1996.

4.Nf3 c5 5.bc5 Nc5 6.Bb5 Bd7 7.a4 a6 8.Bd7 Qd7 9.Nc3 Nf6 10.d4 Nce4 11.Ne4 Ne4 12.Ne5 Qf5 13.Qf3 Qf3 14.Nf3 f6 15.0–0 e6 16.Rfd1 Rc8 17.Rac1 Bb4 18.Kf1 0–0 19.Ke2 Rc6 20.Nd2 Nd2 21.Rd2 Bd2 22.Kd2 Rfc8 23.c3 Rc4 24.Ra1 b5 25.ab5 ab5 26.Ra5 b4 27.Rc5 bc3 28.Bc3 R4c5 29.dc5 Rc5 30.f4 Rc8 31.Kd3 Ra8 32.Ke2 Ra2 33.Kf3 Ra3 34.Bd4 h6 35.h4 Kf7 36.Kg4 g6 37.Kf3 g5 38.fg5 fg5 39.Kg4 gh4 40.Kh4 Kg6 41.g4 e5 0–1. mtr – bacco, Internet, 2001.

4.Nf3 c6 5.c4 (5.Nd4 Nh6=) 5...e6 6.c5 (6.cd5 ed5 7.Be2 A) 7...Bb4?? 8.Bg7 Bb1 9.Rb1+– (9.Bh8?! Bf5+–); B) 7...Ngf6=) 6...Qc7 (6...Ngf6 7.Nd4=) 7.Nc3 e5 8.d3 Ngf6 9.h3 h6 10.Be2 Be7 11.Qc2 Be6 12.a4 a5–/+ 13.b5 Bc5 14.d4 Bb4 15.0–0 e4–/+ 16.Ne5 Ne5 17.de5 Qe5 18.Na2 Qd6 19.bc6 bc6 20.Nb4 ab4 21.a5 0–0 22.Rfc1 Rfc8 23.a6 c5–+ 24.a7 Qe7 25.Ra5 Nd7 26.Rca1 f6 27.Bb5 Nb6 28.Ra6 Qd6 29.h4 Rc7 30.h5 Bc8 31.R6a5 Qe7 32.Kh2 Bg4 33.Be2 Be2 34.Qe2 Rca7 35.Ra7 Ra7 36.Ra7 Qa7 37.Qg4 Qd7 38.Qg6 Qf7 39.Qf5 Qd7 40.Qg6 Qe6 41.g4 Nc4 42.Bf6 Qf6 43.Qe8 Kh7 44.Kg3 (44.Kg1 Qf3 45.Qg6 Kg8 46.Qe8 Qf8 47.Qe6 Qf7 48.Qc8 Kh7 49.Qc5 b3–+) 0–1. Amaraddio,A – Ivanovic,Andrej, Portoroz op, 1994.

4.f4 c6 5.Nf3= Ngf6 6.c4 dc4 7.Bc4= e6 8.0–0 Bb4–/+ 9.Qb3 a5 10.a3 Be7 11.Nd4 Nc5 12.Qd1 Bd3 13.Bd3 Nd3 14.Bc3 Qd7 15.Qe2 Nc5 16.a4 0–0 17.d3 Nd5–+ 18.Bb2 b5 19.Nc3? Nc3 (20.Bc3 Na4 21.Ra4 ba4–+) 0–1. Grehl,Siegfried – Andersson,Lars H, corr SOK–93–95, 1994.

4.f4 Ngf6 5.a4 e6 6.b5 c6 7.c4 Be7 8.Nf3 0–0 9.Be2 Nc5 10.Ne5 Nfe4 11.0–0 f6 12.Nf3 Nd6 13.d3 a6 14.Na3 ab5 15.ab5 Na4 16.Qc1 Qb6 17.Bd4 c5 18.Bc3 dc4 19.dc4 Nc3 20.Qc3 Ne4 21.Qb2 Bg4 22.Nh4 f5 23.Nf3 Bf6 24.Ne5 Be2 25.Qe2 Rad8 26.Nb1 Qc7 27.Qb2 Rd3 28.Ra3 Rfd8 29.b6 Qb8 30.Rd3 Rd3 31.Qe2 Rd8 32.Nd3 Qd6 33.Rd1 Qb6 34.Qc2 Qd6 35.Nf2 Qc7 36.Ne4 Rd1 37.Qd1 fe4 38.Qc2 Qa5 39.Kf1 Qc7 40.Qe4 Qd6 41.Qc2 e5 42.g3 ef4 43.gf4 Qe6 44.Qe2 Qe4 45.Nd2 Qh1 46.Kf2 Bh4 0–1. Kucharkowski – Querner, Freital 1986.

4.f4! h5 5.Nf3 e6 6.c4 c6 7.c5 a5 8.a3 b6 9.d4 b5? 10.Nbd2 h4 11.Be2 f6 12.0–0 a4 13.h3 Ne7 14.Qe1 Ng6 15.Nh2 Be4? 16.Ne4 de4 17.f5! ef5 18.d5 Qc8 19.dc6 Qc6 20.Rd1 Nge5 21.Rf5 g6 22.Rf4 g5 23.Rf5 Be7 24.Qf1 Rb8 25.Ng4 Ng4 26.Bg4 0–0 27.Qe2! Kh7 28.Rfd5 Ne5 29.Bf5 Kh6 30.Be4 Nc4? 31.Rg5! Qe8 32.Rg6 Qg6 33.Bg6 Kg6 34.Rd7 Rfe8 35.Qg4 Kf7 36.Qh5 Kf8 37.Qh6 Kg8 38.Qg6 Kf8 39.Bf6 1–0. Schiffler – August, Soemmerda 1950.

4.g4 Be4 5.f3 Bg6 6.h4 h5 7.g5 e5 8.Nc3 c6 9.b5 Bd6 10.Nge2 Qc7 11.Bh3 Ne7 12.Rb1 c5 13.0–0 f6 14.gf6 Nf6 15.f4 ef4 16.Nf4 Bf4 17.Rf4 d4 18.Ne2 Ned5 19.Rf3 Be4 20.Rg3 d3–/+ 21.cd3 Bd3 22.Rg5 Bb1 23.Qb1 Rh6 24.Bf6 Nf6–/+ 25.Nf4 Qd6 26.Qb2 Rd8 27.Rg7 Kf8 28.Ne6 Qe6 29.Be6 Kg7 30.Qe5 Rg6 31.Kf1 Rd2 32.Bf5 (32...Rd1 33.Ke2+–; 32.Qc5?! Rd1 33.Ke2 Rd2 34.Kf1 Rd1 35.Ke2 Rd2 36.Kf1=) 1–0. Kucharkowski,Jens – St_Jean,Benoit, Orang–Utan Invitational, 2001.

5.d4 Bb4 6.c3 Bd6 7.de5= Ne5 8.Qd5 Nf6 9.Qb7 Be4–/+ 10.Qa6 Nd3 11.Bd3 Bg2 12.Nd2 Bh1 13.Ngf3 0–0 14.c4 Nd7 15.Qc6 Nc5 16.Bc2 Bg2 17.0–0–0 g6 18.Rg1 Bf3 19.Nf3 Ne6 20.h4 Qe7 21.Kb1 Ba3 22.Bc3 Bb4 23.Be5 Rab8 24.h5 Rb6 25.Qe4 Rfb8 26.hg6 fg6=+ 27.Nh4 Ng7 28.Qd5+= Qe6 29.Be4 Bd6+= 30.Ng6! hg6 31.Rg6 (31...Be5 32.Re6 Re6 33.Bf5+–) 1–0. Mosley,Gene – Mueller,Michael, DESC, 2005.

5.d4 Bb4 6.Bc3 Bc3 7.Nc3 =+.

5.d4 ed4 6.Bd4= Ngf6 7.Nd2 Bd6=+ 8.Bd3 Bd3 9.cd3 0–0 10.Ne2 a6 11.ba6 Ra6 12.Qb3 c5 13.Bf6 Qf6 14.Rb1 Nb6 15.0–0 Rfa8 16.Nf3 Bc7 17.Ra1 Ra3 18.Qc2 Nd7 19.d4 c4 20.Nc3 Qc6 21.Rfb1 Ba5 22.Nb5 Rd3 23.Rb2 f5 24.Rab1 g6 25.Qe2 Re8 26.Rc2 f4 27.Qd3 cd3 28.Rc6 bc6 29.Na7 c5 30.Nc6 Bc3 31.ef4 c4 32.Kf1 Nf6 33.a4 Ra8 34.a5= Kg7 35.Nfe5 Ne4 36.Rb7 Kh6?? 37.f3+– Nd6 38.Ng4 Kh5 1–0. Kazimierski,Tomasz – Bass,Stanley, IECC, 1999.

5.d4 Bd6 6.de5 Ne5 7.Be2 =+.

5.Bd3 Bd3 6.cd3 e5 =+.

5.Be2 e5 6.a3 e4 7.g3 Ngf6 8.Bf1 Bd6–/+ 9.Bh3 Bh3 10.Nh3 Ne5 11.Be5 Be5 12.c3 Qd7 13.Ng5? h6–+ 14.f4 hg5 15.fe5 Ng4 16.h3 Nh6 17.g4?? Qe6 18.Qe2? Qe5 19.a4 Qg3 20.Qf2 Qf2 21.Kf2 f6 22.Na3 Nf7 23.Raf1 Ne5 24.Ke2 0–0–0 25.Nc2 Nc4 26.d3 ed3 27.Kd3 Nb2 28.Kd2 Na4 29.Nd4 Nb6 30.Ne6 Rd7 31.Kc2 Nc4 32.Nc5 Ne3 33.Kd3 Re7 34.Re1 Rhe8 35.Nb3 Nc4 36.Re7 Re7 37.Nd4 Re3 38.Kc2 a6 39.Rd1 Na3 40.Kb3 Nc4 41.Nc2?? Rh3–+ 42.Na3 Na3 43.Ka3 Rc3 44.Kb2 Rc4 45.b5 ab5 46.Ra1 Rg4 47.Ra8 Kc7 48.Rf8 d4 49.Rf7 Kb6 50.Rg7 c5 51.Kc2 c4 52.Rg6 Rf4 53.Kd2 Kc5 54.Rg7 b6 55.Rc7 Kb4 56.Rb7 c3 57.Kd3 Kc5 58.Rc7 Kd6 59.Rb7 Kc6 60.Rf7 b4 61.Rf6 Rf6 (62.Kc4 c2 63.Kd3 c1Q 64.Kd4 Qc3 65.Ke4 Rf4#) 0–1. ATUK – lowbrow1, Live Game Caissa's Web, 2005.

5.Na3 Ngf6=+ 6.Nc4 e6 7.Qb3 Be7 8.Nf3 0–0 9.d3 c5 10.a3 cb4 (10...b5 11.Nce5 Ne5 12.Be5 cb4 13.ab4=+) 11.ab4 Bg6 (11...Nd5 12.Ra4=+) 12.e4 (12.Be2 Nd5 13.Ra4 N7b6 14.Nb6 Qb6=+) 12...Nb6 13.Na5 Rb8 14.Be5 Bd6 15.Bd6 Qd6 16.e5 Qe7 17.ef6 Qf6 18.Rd1 Nd5 19.Nc4 Bh5 20.Be2 (20.Nce5 Bf3 21.Nf3 Rbc8+/–) 20...Nf4 21.Nce5?? (Better is 21.Rg1+/–) 21...Ne2–/+ 22.Nd7 Qc3 23.Qc3 Nc3 24.Rc1 Bf3 25.gf3 Na2–/+ 26.Ra1 Nb4 27.Ke2 Nc6 28.Rhc1 Rfd8 29.Nb8 Rb8 30.Ke3 g6 31.Rc5 Rd8 32.Rb1 Rd7 33.Rb3 Kg7 34.Rc1 Nd4 –+. Nepustil,Frantisek – Kovar,Ladislav, CZE–chT2a, 1995.

5.Bc4 Nb6 6.Bb3 e6 7.Nf3 Nf6 8.a3 Be7 9.0–0 c6 10.d4 Nbd5 11.Nbd2 Ne4 12.Re1 Bf6 13.Ne4 Be4 14.Nd2 Bg6 15.e4 Nc7 16.Nf3 0–0 17.Rc1 Qe8 18.Qd2 Rd8 19.d5 Bb2 20.Qb2 f6 21.Nd4 Bf7 22.dc6 e5 23.cb7 Rd4 24.Rc7 Rd8 25.Bf7 Rf7 26.Qb3 Kf8 27.Rf7 Qf7 28.Qf7 Kf7 29.Rc1 Ke6 30.g3 Rb8 31.Rc7 g5 32.Rh7 Kd6 33.f3 a6 34.Kf2 Rf8 35.Ke3 Kc6 36.a4 Rb8 37.Rf7 Rb7 38.Rb7 Kb7 39.Kd3 Kc6 40.Kc4 Kd6 41.b5 a5 42.h3 1–0. Nebe,Lutz (1620) – Senger,Peter (1735), Germany, 1998.

5.Bc4 e5 =+.

5.Qb3 e6 6.Nf3 Ngf6 7.Nc3 Be7 8.Be2 0–0 9.cd5= Nd5 10.Nd5 cd5 11.0–0 Rc8 12.Rac1 Qb6 13.a3 Nc5? 14.Qc3+– Bf6 15.Ne5 Be5 16.Qe5 f6 17.bc5 (17...Rc5 18.Qd4+–) 1–0. Hlavinka,Zdenek – Traczewski,Wojciech, Brno Duras BVK op–A, 2002.

5.c5 e5=+ 6.Nf3 Qc7 7.Be2 Ngf6 8.Nc3 h6 9.d4 e4 10.Nd2 Be7 11.h3 0–0 12.0–0 Nh7 13.Qb3 Bg5 14.Nd1 Be6 15.Re1 f5 16.Nf1 f4=+ 17.Bg4 Bg4–/+ 18.hg4 Ndf6 19.f3 Bh4 20.Re2 ef3 21.gf3 Rae8 22.e4=+ Ng5 23.Nf2 Bf2 24.Kf2=+ Nfe4 25.fe4 Ne4 26.Kf3 Ng5 27.Kf2= Re2 28.Ke2 Qe7 29.Kd2 Qe4 30.Qd3 Qg2=+ 31.Kc3 Re8 32.a3 Re2 33.Rb1 Rf2 34.Kb3 Rf3 35.Ne3 Re3 36.Qc3 Ne4 37.Re1 Nc3 38.Bc3 Qd2 39.Re3 Qe3 (40.b5 f3–+; 39...fe3?! 40.Bd2 ed2 41.Kc2–+) 0–1. Davis,C – Wren,G, Austin TX USA, 1993.

5.cd5 cd5 6.Nc3 e6 7.Nf3 Bb4 8.Bb5 a6?? 9.Bd7+– Qd7 10.Ne5?? Qd6 11.Nf3?? Nf6 12.0–0 0–0 13.Ng5 h6 14.Nf3 Bd3 15.Re1 e5 16.Ne2 Ng4 17.a3 e4 18.h3? ef3–+ 19.hg4?? fe2 20.Re2 Be2 21.Qe2 Ba5 22.Qd3 Rac8 23.Qd4 f6 24.e4 Qe5 25.Qe5 fe5 26.Be5 de4 27.Ra2 Bb6 28.Bg3 Rc1 29.Kh2 Bf2 (30.Be5 b5–+) 0–1. Steve20 – golly1, ChessWorld.net, 2007.

5.cd5 cd5 6.Nf3 e6 =.

5.b5 Nc5 6.d4 ed4 7.Bd4 Ne4 8.Nc3 Bb4 9.Qb3 c5 10.Bg7 dc4 11.Qb2 Ngf6 12.Nge2 Rg8 13.Bf6 Qf6 14.a3? Bc3 15.Nc3 Qc3 16.Qc3 Nc3 17.Bc4 Rg4 18.Bf1 Ra4 19.f3 Rd8 20.h3 Bd3 21.Bd3 Rd3 22.b6 ab6 23.e4 b5 (24.Kf2 Rd2 25.Kg3 Ne2 26.Kh2 Nf4–+) 0–1. Dopper,Johan – Andersson,Lars H, corr SOK–93–95, 1994.

5.b5 Ngf6 6.Nf3 Bd6 7.d4 =+.

5.Nf3 f6 6.a3 =.

5.Nf3 Qf6 6.Qb3 =+.

5.Nf3 Ngf6 6.Ne5 Bb4 7.cd5 Nd5 8.Qf3 +=.

5.a3 Ngf6 6.Nc3 c5 7.bc5 Nc5 8.Nf3 dc4–/+ 9.Bc4 Bd3 10.Bb3 a6 11.Na4 Rc8 12.Nc5=+ Bc5 13.Ne5 Ba7 14.Rc1 Rc1 15.Qc1 0–0 16.Qc3 Bf5 17.d3 Qc8 18.0–0 Qc3= 19.Bc3 Rc8 20.Bb2 Ng4 21.Ng4 Bg4 22.d4 Bf5 23.d5 ed5 24.Bd5 Kf8 25.a4 Rc7 26.a5 b5 27.h3 f6 28.Rd1 Ke7 29.g4 Bc8 30.Be4= g6 31.Rd5 Bb7–+ 32.Ba3 Kf7 33.Rd6? Be4–+ 34.Bb2 f5 35.Ra6 Bc5 36.Rf6 Ke7 37.a6 Bd6 38.gf5 Bf5 39.f4 Ra7 40.h4 Ra6 41.h5 b4 42.Be5 b3 43.Kf2 Rb6 44.Bb2 Bc7 45.Rb6 Bb6 (46.hg6 Bg6–+) 0–1. Van Splunter,Niels – Volkers,Annemarie, Hengelo op U16, 2001.

5.cd5 ed5 6.a3 Ngf6 7.Qf3 Bg6 8.Nh3 Bd6–/+ 9.Nf4 (White gets the initiative) 9...0–0 10.Nd5= Nd5 11.Qd5 Nf6 12.Qb7 Re8 13.Nc3 Qe7 14.Bb5+– Rab8 15.Qa7 Rb5? 16.Nb5 Bd3 17.Nd6 Qd6 18.Qd4 Ba6 19.Qd6 cd6 20.Bf6 gf6 21.Rc1 f5 22.Rc6 Bb5 23.Rd6 Rc8 24.Kd1 Ba4 25.Ke2 Bb5 26.Kf3 Ra8 (27.Ra1 Kf8+–; 26...Rc2 27.Rd8 Kg7 28.d4+–). SilentPlayer – Retiornot, Live Game Caissa's Web, 2005.

5.cd5 ed5 6.Nf3 Bb4?? 7.Bg7 Ngf6 8.Bh8 +–.

5.cd5 ed5 6.Nf3 Ngf6 7.a3 Bd6 8.Nd4 Bg6 9.Be2 0–0 10.f4 h6 11.0–0 c6 12.Nc3 a6 13.Rc1 Qe7 14.Nf3 Ne4 15.Ne4 de4 16.Nd4 a5 17.b5 c5 18.Nb3 b6 19.a4 Nf6 20.Bc4 Rad8 21.h3 Bc7 22.Qe2 Rfe8 23.g4 Nd7 24.Qf2 Bh7 25.Kh1 ½–½. Aubertin,Tim – Weidinger,Dietmar, SEM Meister qual2, 2004.

5.cd5 ed5 6.Nf3 Ngf6 7.d4 Bb4 8.Nbd2 Ne4 9.Be2 0–0 10.0–0 a6 11.Qb3? Bd2–+ 12.Nd2 Nd2 13.Qd5 Be4 14.Qa5 Nf1 15.Kf1 b6 16.Qc3 Nf6 17.f3 Bg6 18.e4 b5 19.d5 Rc8 20.a4 c5 21.ab5 ab5 22.Bb5 –+. gtate (1900) – vegardramstad (2075), net–chess.com, 2004.

5.a3 Bd6 6.Nd2 Ngf6 7.c4 c6 8.c5 Bc7 9.a4 0–0 10.b5 e5 11.Ngf3 ed4 12.Nd4= Bg4 13.Qc2 Ba5 14.Bd3 Bd2= 15.Kd2 cb5 16.ab5 Rc8 17.c6+/– Ne5 18.f3 Bh5? 19.Ra7+– bc6 20.Nc6 Rc6 21.bc6 Ne4 22.Kc1 Qb6 23.Bd4?? Qc6?? 24.fe4 Qe6?? 25.Bc3 de4 26.Be4 Rc8 27.Bh7 Kh8 28.Ra3 Qe7?? 29.Kb2 Rb8 30.Ka2 Qc5?? (30...f5 31.Ra6 Qb7+–) 1–0. Kazak,Alexander – Nozdrachev,Leonid, RUS–ch U16 Dagomys, 2004.

5.a3 Ngf6 6.c4 dc4 7.Bc4 c6 8.Nf3 Bd6 9.Nc3 Ne4 10.Rc1 0–0 11.g3 Nc3 12.Bc3 Bg4 13.Be2 Qe7 14.0–0 Rad8 15.Nd2 Be2 16.Qe2 e5 17.Nc4 Bc7 18.Rfd1 ed4 19.Rd4 Nf6 20.Rh4 a6 21.Qc2 h6 22.Qb2 Kh7 23.Nd2 Rd5 24.e4 Rd7 25.Nf3 Ne8 26.Nd4 Be5 27.Nf5 Bc3 28.Qc3 Qf6 29.Qc5 Nd6 30.Rh5 Rfd8=+ 31.Re1 Nf5 32.Rf5 Qe6 33.Re5 Qd6 34.Qd6 Rd6 35.Re7 R6d7 36.Rd7 Rd7 37.Re3 Rd2 38.Kf1 Ra2 39.Rd3 f6 40.Kg2 Kg6 41.Kf3 Rc2 42.Ke3 c5 43.bc5 Rc5 44.f4 b5 45.Kd4 Rc4 46.Kd5 Kf7 47.e5 Ke7 48.Rf3 Rc2 49.h3 Rc1 50.Rd3 Rc8 51.Ke4 Rc6 52.Kd5 Rc8 53.Rb3 Rc4 54.Rf3 Rc1 55.Rd3 Rc8 56.Ke4 Rc6 57.Kf5 g6 58.Ke4 Ke6 59.Rd4 a5 60.h4 Rb6 61.Rd8 b4 62.ab4 ab4 63.Rd2 b3 64.Rb2 Rb4 65.Kd3 fe5 66.fe5 Ke5 67.Kc3 Rb6 68.Kd3? Kf5 69.Ke3 Kg4 70.Kf2 Rf6 71.Kg1 Rf3 72.Kh2 Rg3 73.Rd2 Kh4 74.Rd4 Rg4 75.Rd1 b2 76.Rb1 Rb4 77.Kg2 g5 78.Kf3 g4 79.Kg2 Rb3 80.Rh1 Kg5 81.Rb1 h5 82.Kh2 h4 83.Kh1 Kf4 84.Kg2 Ke4 85.Kf2 Kd3 86.Rb2 Rb2 87.Kg1 Ke3 (88.Kh1 g3 89.Kg1 h3 90.Kh1 Rb1#) 0–1. Wilk,Adam – Bitman,Marek (2100), Poland–chT region, 1999.

5.a3 Ngf6 6.Nf3 c6 7.c4 Be7 8.c5 0–0 9.Bd3 Be4 10.Nc3 Bd3 11.Qd3 Qc7 12.Ne2 Ne4 13.Nd2 Nd2 14.Qd2 e5 15.0–0 e4 16.a4 a6 17.a5 Nf6 18.h3 Nh5 19.f4 Bh4 20.g4 Ng3 21.Ng3 Bg3 22.Qg2 Bh4 23.Bc3 Qd7 24.Be1 Be1 25.Rae1 f5 26.g5 Qf7 27.Kh2 Qh5 28.Rg1 Kf7 29.Qd2 Qh4 30.Rg2 Rae8 31.Reg1 Re6 32.Qe1 Qh5 33.Qe2 Qf3 34.Rf1 Qe2 35.Re2 h6 36.h4 hg5 37.hg5 Kg6 38.Kg3 Rh8 39.Rh2 Rh2 40.Kh2 Re8 41.Kg2 Rh8 42.Kg3 Rh5 43.Rg1 Kf7 44.Kg2 Rh4 45.Kg3 Rg4 46.Kf2 Rg1 47.Kg1 Kg6 48.Kg2 Kh5 49.Kg3 Kg6 50.Kh4 Kh7 51.Kh5 g6 52.Kh4 Kg7 53.Kg3 ½–½. Hetfleis,Enrico – Lughofer,Norbert, Dresden, 2000.

5.Bb5 Bb4? 6.Bg7 c6 7.Be2 +–.

5.Bb5 Bb4? 6.Bg7 c6 7.Bh8?! cb5 8.Nc3 Qa5 +–.

5.Bb5 Ngf6 6.a3 c6 =.

5.c4 dc4 6.Bc4 Bb4?? 7.Bg7 Nb6 8.Bb3 Nf6 9.Bh8 Bd3 10.Ne5 Ba6 11.Qc2 Qe7 12.Nc4 Bc4 13.Bc4 0–0–0 14.0–0?? Rh8 15.d4 Nbd5 16.e4 Nf4 17.Nd2 Bd2 18.Qd2 Ng6 19.e5 Ne4 20.Qe3 Ng5 21.f4 Nf4 22.Qf4 h5 23.h4 Nh7 24.Be2 Nf8 25.Qf6 Qf6 26.Rf6 Ng6 27.g3 Rg8 28.Kh2 Ne7 29.Rf7 Nd5 30.Raf1 Nc3 31.Rf8 Rf8 32.Rf8 Kd7 33.Bh5 1–0. mtr – Roldsez, Internet, 2001.

5.c4 dc4 6.Bc4 Ngf6 7.Qb3 =+.

5.c4 c6 6.Be2 (6.cd5 ed5 7.Be2 Ngf6= (7...Bb4 8.Bg7 Bd2 9.Nbd2+–)) 6...Ngf6 (6...Bb4 7.Bg7 Bd2 8.Nbd2+–) 7.b5 (7.c5 b6 8.Nd4 bc5 9.Nc6 Qc7=+) 7...Bd6 8.Nd4= Bb1 9.Qb1 c5 10.Nf3 Qc7 11.cd5= Nd5? 12.0–0?? N5f6 13.Rc1+= b6 14.d4 0–0 15.dc5 Bc5 16.Ng5 Ne5 17.Bd4 Ned7 18.Ne4 Ne4 19.Qe4 e5 20.Bb2 f5 21.Qd5 Kh8 22.Rd1 Nf6 23.Qe5+– Bd6?? 24.Qd6 1–0. Kreuzer,Martin – Gehrig, Mannheim GER, 1994.

5.c4 Ngf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 Nbd7).

5.Be2 Ngf6 6.a3 a5 7.b5 Bd6 8.Nh4 Bg6 9.0–0 Qe7 10.Qc1 c6 11.a4 Rc8 12.Bc3 cb5 13.Bb5 b6 14.Qb2 e5 15.Bd7 Nd7 16.Nf3 0–0 17.Na3 Rc6 18.Nb5 Bb8 19.Qb3 Nf6 20.Qb2 Re8 21.Rfc1 Ne4 22.d3 Nc3 23.Nc3 Qc5 24.Ra3 Rec8 25.Nb5 f6 26.Nh4 Be8 27.Nf5 g6 28.Nh4 Qb4 29.Qb4 ab4 30.Ra2 Rc5 31.d4 Rc4 32.Nf3 Bb5 33.ab5 b3 34.Ra3 Rc2 35.Rf1 b2 36.Rb3 e4 37.Ne1 Re2 38.g3 Rc1 39.Ng2 Rf1 40.Kf1 Rc2 41.Ne1 Rd2 42.h3 h5 43.Kg2 g5 44.g4 h4 45.Kf1 Kf7 46.Kg2 Bg3 0–1. Sauvage,L – Halleux,D, Huy, 1992.

5.Nd4 Bg6 6.Ne6 Qc8 7.Nc3 c6 8.Be2 Bf7 9.Nf8+/– Nf8 10.d4 Nd7 11.0–0 (11.e4 de4 12.Ne4 Nh6+/–) 1–0. Kelish (1940) – Ramiz, chesshere.com, 2006.

5.Nd4 Bg6 6.Ne6 Qc8 7.c4 c6 8.cd5+/– cd5 9.Nc3 Bf7 10.Nf8 Nf8 11.Rc1 Qf5 12.Qa4 Nd7+/– 13.Nb5 Kf8 14.Bd4 e5 15.Nd6 Qe6 16.Rc7 Qd6 17.Rd7 (17...Qc6 18.Bc5 Ke8 19.Bb5 Kd7 20.Bc6 bc6 21.Qa6+– (21.Ba7?! Ne7 22.b5 Rhb8 23.bc6 Ke6+–)) 1–0. woschkat (2330) – tonyh (2005), net–chess.com, 2002.

5.Nd4 Bg6 6.Ne6 Qc8 7.Be2 Kf7 8.Nf4 e6 +=.

5.Nd4 Nh6 6.Nf5 Nf5 7.Qg4 +=.

5.a4 e6 6.b5 Bd6 7.c4 c6 8.Nd4 Bb1 9.Qb1 c5 10.Nb3 Rc8 11.d3 0–0 12.h3 Re8 13.Be2 e5 14.a5 d4 15.e4 Re6 16.a6 b6 17.Qc2 Ne8 18.0–0–0 Bf8 19.Kb1 Rc7 20.Bc1 g6 21.Bg4 Rd6 22.f4 Bg7 23.f5 h6 24.fg6 fg6 25.Rdf1 Rf6 26.Qe2 Qe7 27.Rf6 Nef6 28.Rf1 Rc8 29.Bd7 Nd7 30.Qg4 Rf8 31.Rf8 Bf8 32.h4 Kh7 33.h5 g5 34.Qf5 Kh8 35.Nd2 Nf6 36.Nf3 Nh5 37.Ne5 Qf6 38.Qf6 Nf6 39.Nc6 1–0. Arno de Visser – E Bergman, 1990.

5.c4 c6 6.Nc3 e6 7.Qb3 Be7 8.Nd4 0–0 9.Nf5 ef5 10.Be2 Nb6 11.d3 Qc7 12.0–0 dc4 13.dc4 Ng4 14.Bg4 fg4 15.c5 Nd7 16.Ne4 Ne5 17.Rfd1 Rad8 18.Nd6 Bf6 19.Rd2 Rd7 20.Rad1 Rfd8 21.Qc2 Re7 22.Nb5 Rd2 23.Qd2 Qb8 24.Nd6? (24.Qd8) 24...h5 25.Qc2 Re6 26.Qf5 g6 27.Qf4 Qd8 28.Kf1 g5 29.Qf5 Qe7 30.Ne4 Kg7 31.Nf6 Qf6 32.Qf6 Kf6 33.Rd7 Kg6 34.Be5 Re5 35.Rb7 a5 36.a3 ab4 37.ab4 Kf6 38.Rd7 Re4 39.Rd6 Re6 40.Re6 Ke6 41.Ke2 Kd5 42.Kd3 f5 43.g3 h4 44.Kc3 Ke4 45.b5 cb5 46.c6 1–0. Kreuzer – Gehrig, Mannheim 1980 (Kreuzer).

5.c4 c6 6.cd5 cd5 7.Bb5 a6 8.Bd7 Nd7 9.0–0 Bg4 10.h3 Bf3 11.Qf3 Nf6 12.Nc3 e6 13.Qg3 h5 14.f4 h4 15.Qf3 Bb4 16.Rab1 b5 17.a3 Bc5 18.d4 Bb6 19.f5 Qd6 20.fe6 fe6 21.Rbc1 Rd8 22.Ne2 Rh5 23.Nf4 Rf5 24.Qe2 Bc7 25.Rc7 1–0. Rohrbacher,Walter – Fath,Michael, Leimen, 2001.

5.d3 e6 6.b5 h6 7.Nbd2 Bh7 8.a4 Be7 9.Be2 0–0 10.0–0 Bd6 11.c4 e5 12.cd5 Nd5 13.Nc4 Re8 14.Nd6 cd6 15.Rc1 a6 16.d4 e4 17.Nd2 Bf5 18.ba6 ba6 19.Ba3 Re6 20.Rc6 Qg5 21.Kh1 Rg6 22.Rg1 Qh4 23.g3 Qe7 24.g4 Nb8 25.Rd6 Rd6 26.gf5 Nc3 27.Bd6 Qd6 28.Qf1 Qf6 29.Ne4 Ne4 30.Qg2 Nf2 31.Qf2 Nc6 32.Qf3 Ra7 33.Rb1 Ne7 34.Rb8 Kh7 35.Bd3 Rc7 36.Rb1 Kg8 37.Rd1 g5 38.e4 Qd4 39.Ba6 Qa4 40.Bd3 Rc3 41.Qe2 Nc6 ½–½. W Braun – Poesinger, 1993.

5.d4 e6 6.a3 Nb6 7.Nbd2 a5 8.b5 Na4 9.Qc1 c5 10.c4 Rc8 11.Be2 Be7 12.0–0 0–0 13.Rd1 Ne4 14.Ne4 Be4 15.Nd2 Bg6 16.Ra2 Bf6 17.Ba1 cd4 18.Bd4 Bd4 19.ed4 dc4 20.Nc4 Qd5 21.Ra1 Rc7 22.Ne3 Rc1 23.Nd5 Rd1 24.Bd1 ed5 25.Ba4 Rc8 26.Bb3 b6 27.Bd5 Rd8 28.Rc1 Kf8 29.Bf3 Rd4 30.Rc6 Rd3 31.Rb6 Ra3 32.h3 Rb3 33.Rb8 Ke7 34.b6 Bf5 35.b7 Kd6 36.Rc8 Rb7 37.Bb7 Bc8 38.Bc8 a4 39.Bf5 a3 40.Bb1 Ke5 41.Ba2 f6 42.Kh2 Kf4 43.Kg1 Ke4 44.g4 Kf3 45.Kf1 g6 46.Bb3 h6 47.Ba2 Kf4 48.Ke2 Ke5 49.f3 Kf4 50.Kf2 g5 51.Bb3 f5 52.Ba2 fg4 53.hg4 Ke5 54.Kg3 Kd4 55.f4 gf4 56.Kf4 Kd3 ½–½. Szymanski – Koper, Kielce 1993.

5.d4 e6 6.a3 Be7 7.Bd3 Bd3 8.Qd3 0–0 9.0–0 b6 10.Ne5 Ne5 11.de5 Nd7 12.f4 c5 13.Nd2 cb4 14.ab4 Bb4 15.Nf3 Be7 16.Rab1 Nc5 17.Qe2 Rc8 18.Nd2 Qd7 19.Nb3 Nb3 20.cb3 a5 21.Qd3 g6 22.Rf3 Rc5 23.Rbf1 Qb5 24.Qb5 Rb5 25.Bd4 Rb3 26.Rc1 Ra8 27.Rc7 Bf8 28.h3 Rb1 29.Kh2 a4 30.Rf2 a3 31.Ra2 Bc5 32.Bc5 bc5 33.Rc5 Rb2 34.Ra1 a2 35.Rc7 Rb1 36.Ra2 Ra2 37.Rc8 Kg7 38.Kg3 Rbb2 39.Rc7 Rg2 40.Kf3 Raf2# 0–1. ronnieg (2615) – DanVis (1810), fics, 2001.

5.Be2 c6 6.a3 Qc7 7.0–0 e5 8.d3 Bd6 9.h3 0–0 10.Nbd2 Rfe8 11.c4 b6 12.Nb3 Qb7 13.Qd2 Rad8 14.cd5 cd5 15.Rfd1 Nb8 16.Qe1 Nc6 17.Rac1 a6 18.Rd2 Bb8 19.Qd1 Rc8 20.Rdc2 Qd7 21.Rd2 Qd6 22.e4 Be6 23.d4 ed4 24.Nbd4 Nd4 25.e5 Nf3 26.Bf3 Rc1 27.Qc1 Qe7 28.ef6 gf6 29.Qc3 Bf5 30.Rd1 Be5 31.Qb3 Bd6 32.g4 Be4 33.Be4 de4 34.Re1 Bb8 35.Qe3 Qd6 36.f4 Kg7 37.Rf1 Bc7 38.Bd4 Re6 39.Rf2 Qc6 40.f5 Rd6 41.Re2 b5 42.Qe4 Qe4 43.Re4 Rd4 44.Rd4 Bb6 0–1. Pagali,M – Mourouti,V, Patras, 2000.

6.Bc4 Nb6 7.Be2 Qd6 8.b5 Nfd7 9.0–0 Bb1 10.Qb1 Na4 11.Bd4 Nac5 12.Rc1 f6 13.Nh4 g6 14.Bc5 Nc5 15.d4 Nd7 16.Bf3 Rb8 17.Qc2 Kd8 18.Qa4 e6 19.Be4 a6 20.ba6 Qa6 21.Qb3 f5 22.Bd3 Qd6 23.Nf3 Ke7 24.Qc3 c6 25.d5 ed5 26.Qh8 Nf6 27.Rab1 c5 28.Nh4 Bh6 29.Ng6 1–0. Buss – Lars H Andersson, corr ICCF TT–4–90–SF6 1993–94.

6.Bc4 Nb6 7.Be2 e6 8.a3 a5 9.b5 Bd3 10.Bd4 Be2 11.Qe2 Nbd7 12.0–0 Bd6 13.d3 Qe7 14.a4 0–0 15.Nbd2 e5 16.Bb2 Nd5 17.Nc4 f6 18.Rfd1 Bb4 19.g3 Qf7 20.e4 N5b6 21.Nb6 Nb6 22.d4 Qc4 23.Qc4 Nc4 24.Ra2 Rad8 25.Ba1 ed4 26.Rd4 Nb6 27.Rd8 Rd8 28.Bd4 Nc8 29.Rc2 Rd7 30.Kg2 Ne7 31.h4 c6 32.Bb6 cb5 33.ab5 Rd6 34.Bc7 Re6 35.Rc4 Kf8 36.h5 Ke8 37.Bf4 Rb6 38.Nd4 g5 39.Bc7 1–0. Zilberman – Kogan, Ramat Aviv, 2000.

6.Bc4 e6 7.Qb3 c5 8.b5 Nb6 9.Be2 Be7 10.d3 0–0 11.0–0 Nfd5 12.a3 Bf6 13.d4 Rc8 14.Nbd2 cd4 15.Nd4 Bd4 16.Bd4 Bc2 17.Qa2 Nc3 18.Bc3 Rc3 19.Nf3 Qc7 20.Nd4 e5 21.Nf3 Ba4 22.Rab1 Qc5 23.Rb4 Rd8 24.Ng5 Qe7 25.Ne4 Rc2 26.Rb2 Re2 27.Re2 Bb5 28.Ree1 h6 29.Rc1 Bf1 30.Rf1 Rd3 31.Ra1 Qd7 32.Qc2 Qd5 33.f3 Nc4 34.Rc1 Ne3 35.Qc8 Kh7 36.Rc5 Rd1 37.Kf2 Rd2 38.Kg3 Rg2 39.Kh3 Rh2 40.Kg3 Rg2 41.Kh3 Qd1 0–1. Bennett,Hilton – Kang Chuanqi, Ch World Cities, 1999.

6.Bc4 e6 7.Qb3 Be7 8.0–0 0–0 9.Nc3 Nb6 10.Be2 Nbd5 11.a3 h6 12.d3 Bg6 13.Ne5 Bh7 14.Rac1 Bd6 15.Nc4 c6 16.Nd6 Qd6 17.Nd5 Qd5 18.Qd1 Qd8 19.e4 Qe7 20.Qb3 Rad8 21.f4 Rfe8 22.Rf3 Bg6 23.Rg3 Kf8 24.Qc3 Rd7 25.h4 Red8 26.h5 Bh5 27.Bh5 Nh5 28.Rg7 Ng7 29.Qg7 Ke8 30.Bf6 Qf8 31.Qf8 ½–½. Laurent,Rudolf – Nguyen,Martin, 2001.

6.a3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 Nbd7 6.a3).

6.a3 c6 7.Nc3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.a3 Nbd7 7.Nc3).

5.a3 Ngf6 6.Be2 e6 7.0–0 Be7 8.c4 c6 9.Nd4 Bh7 10.cd5 cd5 11.d3 0–0 12.Nd2 a6 13.Rc1 Qb6 14.Qc2 Rfc8 15.Qc8 Rc8 16.Rc8 Bf8 17.N4b3 Qb5 18.Rc3 Qb6 19.Rfc1 e5 20.d4 ed4 21.Nd4 a5 22.Rb3 ab4 23.ab4 g5 24.Rc8 Kg7 25.Bb5 Ne5 26.f4 gf4 27.ef4 Nc6 28.Bc6 bc6 29.Rc6 Qb7 30.Nf5 Bf5 31.Rf6 Qb6 1–0. Machete99 – guest876, ICC, 2002.

5.Bb5 a6 6.Bd7 Qd7 =.

5.Bb5 e6 =.

5.c4 dc4 6.Bc4 Ngf6 7.0–0 e6 8.a3 Bd6 9.Nc3 c6 10.Re1 Qc7 11.d4 Bg4 12.h3+= Bh5 13.g4 Ng4 14.hg4+/– Bg4 15.Be2 g5 16.e4 f6 17.Nd2 Be2+/– 18.Qe2 0–0–0 19.Rac1 Kb8 20.Qg4 Bh2+= 21.Kg2 Bf4 22.Rc2+/– Qd6 23.Na4 h5= 24.Qe2 h4 25.Nc5 h3 26.Kh1 Rh4?? 27.Nd7?? Rd7 28.Rg1 f5 29.Nf3 Rg4 30.Rg4 fg4 31.Ng5 Bg5=+ 32.Qg4 Qf4 33.Qf4 Bf4=+ 34.Re2 e5!–+ 35.Re1 ed4 36.Bc1 Be5 37.f4=+ Bg7 38.e5 d3 39.Bd2+= Bh6 40.Kh2 Rh7 41.e6 Bf8 42.Re3+– Re7 43.Kh3 Bh6 44.Re4 Kc7+/– 45.Kg4 Kd6? 46.Kh5 Re6 47.Re6 Ke6 48.Kh6 Kf5 49.Kg7 b6 50.Kf7 c5 51.b5 c4+= 52.Ke7 Ke4 53.Ke6 Kd4–/+ 54.f5 c3 55.Bc3 Kc3 56.f6 d2 57.f7 d1Q 58.f8Q Qb3 59.Kd7?? Qb5 60.Kd8 Qd5 61.Ke8 Qa8 (62.Ke7 Qf8 63.Kf8 Kb3–+) 0–1. Larsen,A – Pedersen,J, Tromsoe, 1999.

5.c4 e6 6.cd5 ed5 7.Be2 Ngf6 8.b5 Bd6 9.0–0 0–0 10.Nc3 c6 11.bc6 bc6 12.d3 Rb8 13.Rb1 Qe7 14.Nd4 Qe5 15.g3 c5 16.Nc6+/– Qe6 17.Nb8 Bb8 18.Re1 Bh3 19.d4 c4 20.Ba3 Ng4?? 21.Bf8+– Nf8 22.Rb8 h5 23.Bg4 Bg4 24.Qb1 Qf6 25.Rf8! Kf8 26.Qb8 Ke7 27.Nd5 (27...Kd7 28.Qa7 Ke8 29.Nf6 gf6 30.Qa8 Ke7 31.Qc6 Kf8 32.Qc4 Be6 33.Qc5 Ke8 34.Rb1 Bd5 35.Qd6 Bb3 36.Rb3 h4 37.Rb8#) 1–0. Fritz 10 – NN, 2007.

5.c4 Ngf6 6.Nc3 dc4 7.Bc4 e6 8.a3 Be7 9.0–0 c6 10.Nd4 Bg6 11.h3 0–0 12.Be6= Qc7 13.Bb3 Qd6 14.Bc2+/– Ne5 15.Bg6 Ng6 16.Nf5 Qd7 17.Ne7 Ne7 18.Qc2 Nfd5 19.Rad1 Rad8 20.d4 Nc3 21.Qc3 Nd5 22.Qc2 Rfe8 23.Rfe1 Qc7 24.e4+– Nf4 25.b5 Qd6 26.bc6 bc6 27.e5 Qd5 28.Qe4 Ne6 29.Qd5 Rd5 30.Re2 c5=+ 31.g3 cd4 32.f4 Red8 33.Red2= d3 34.Kf2 Nc5 35.Ke3 Kf8? 36.Bc3+/– Ke8 37.Bb4 Ne6 38.Rd3+– Rd3 39.Rd3 g6 40.Rd8 Kd8 41.Ke4 Kd7 42.g4 h5 43.gh5 gh5 44.Kf5 a6 45.Ke4 Kc6 46.Bd2 Kd7 47.f5 Nc5 48.Kd5 Nb7 49.Be3 Na5 50.Kc5 Kc7 51.Bf4 Nb7 52.Kd5 Kd7 53.Bg5 Na5 54.Kc5 Kc7 55.e6 fe6 56.fe6 Nb7 57.Kd5 Na5 58.e7 Kd7 59.Kc5 Ke8 60.a4 Nb3 61.Kb6 a5 62.Kb5 Kd7 63.Kc4 Na1 64.Kc3 (64...Ke8 65.Kb2+–) 1–0. Spiegel,Matthias – Busch,Christian, Germany, 2005.

5.Be2 e6 6.0–0 Ngf6 7.b5 Bd6 8.c4 dc4 9.Bc4 0–0 10.Nc3 Rc8 11.d3= Nb6 12.e4? Nc4–/+ 13.dc4 Be4 14.Ne4 Ne4 15.Qd4 Qf6 16.Qe4 Qb2 17.Qb7 Bc5 18.Rae1 Qa2 ½–½. Van Rooijen,Peter (1715) – Istomin,Sergei (1780), SI–2003–0–00002, 2003.

5.a3 ef4 6.ef4 Qh4 7.g3 Qe7 8.Kf2 Ngf6 9.Nc3 a5 10.Nf3 ab4 11.ab4 Ra1 12.Qa1 =+.

5.Nc3 a5 6.Nd5 c6 7.e4 Bg6 8.Nc7 Qc7 9.f5 ab4 10.fg6 hg6 11.Bc4 Ngf6 12.Qe2 –/+.

5.Nc3 a5 6.fe5 Ne5 7.b5 Bd6 8.Nf3 Bg4 9.Be2 Nf3 10.Bf3 Qh4 11.Kf1 Nf6 12.Kg1 =+.

5.Nc3 c6 6.a3 Nh6 7.Nf3 ef4 8.ef4 Qc7 9.g3 0–0–0 10.Be2 Re8 11.0–0 Be7 12.Rb1 =+.

5.Nc3 ef4 6.Nd5 fe3 7.Qe2 Qh4 8.Kd1 Qe4 9.Ne3 Be6 10.a3 0–0–0 11.Nf3 f6 12.Nd4 =.

5.fe5 Bb4 6.e6 Ndf6 7.ef7 Kf7 8.Nf3 Nh6 9.Ne5 Ke6 10.Be2 Bd6 11.Nf3 Kf7 12.0–0 +=.

5.fe5 Qh4 6.Ke2 Qb4 7.Qc1 Qe7 8.Nf3 Bg4 9.d4 f6 10.ef6 Ngf6 11.c4 c6 12.Nbd2 –/+.

7.Ba3 Qe4 8.Bf8 Kf8 9.Nf3 Ne5 10.Bg2 Nf3 11.Bf3 Qc2 12.Qc2 –/+.

7.Bd4 c5 8.Bc3 Qe4 9.Nf3 Qc2 10.Qc2 Bc2 11.Be2 c4 12.0–0 h6 13.Nd4 Be4 14.Nb5 Rb8 15.Na7 b5 16.e6! Ndf6 17.ef7 Kf7 18.Nc6 Rb6 19.Ne5 Ke8 20.Bd4 Rb7 21.Nc3 Bd6 22.Ne4 Be5 23.Be5 Ne4 24.Bh5 Kd7 25.Rf7 Kc6 26.Rf8 Nd2 27.Rc8 Kd7 28.Bg4 Ke7 29.Bg7 Rh7 30.Bc3 Nf6 31.Bf5 Nde4 32.Bb4 Kf7 33.Rf1 Kg7 34.Bf8 Kh8 35.Be4 de4 36.Bh6 Ng8 37.Rg8 Kg8 38.Rf8 1–0. Raedisch – Zitzmann, corr 1958–60.

8.d4 Qh1 9.Nf3 Bc2! 10.Qd2 Bd3! 11.Qd3 Qf3 12.Nd2 Qg4 13.Be2 Qe6 14.Rb1 Be7 15.Rb7 Nh6 16.Rc7 0–0 17.Bd1 Rfc8 18.Rc8 Rc8 19.Bc2 g6 20.e4 Qc6 21.Nb1 Nb6 0–1. Rabold – Pietrzak, corr ICCF EU–M–GT–134 1978–81 (Pietrzak).

8.Nf3 Qc2 9.Qc2 Bc2 10.Be2 Nc5 11.0–0 Bd3 12.Bd3 Nd3 13.Ne1 Ne1 14.Re1 Be7 15.d3 f6 (15...c6 16.Rc1–/+) 16.Nd2 (16.e4 fe5 17.Be5 de4 18.Bg7 0–0–0 19.Bh8 ed3+–) 16...fe5 (16...f5 17.Reb1 Rb8 18.Kf2–/+) 17.Be5 Bf6 18.Bf6 Nf6 19.e4 de4 20.de4 0–0–0 21.e5? Rd2–+ 22.ef6 gf6 23.Rf1 Rf8 24.Kh1 c5 25.Kg1 Kc7 (26.Rf2 Rfd8–+; 25...c4 26.Rac1 b5 27.Rf5–+) 0–1. Hasler,Ulrich – Andersson,Lars H, corr 3GMM–03, 1995.

8.Nf3 Qc2 9.Qc2 Bc2 10.e6 fe6 11.Nd4 Bf5 12.Nf5 –/+.

5.Nf3 Bb4?? 6.Bg7 Bc2 7.Qc2 +–.

5.g4 Qh4 6.Ke2 Bg4 7.Nf3 Bf3 8.Kf3 Qh5 0–1. De Jong – Van 't Riet, corr NBC 1968.

6.a3 c5 =+.

6.b5 Nb6 7.Be2 c5 8.bc6 bc6 9.Nd4 c5 10.Nf5 ef5 11.Bb5 Nfd7 12.0–0 a6 13.Bc6 Ra7 14.Qf3 Qb8 15.Be5 Qc8 16.Bd5 Ne5 17.fe5 Nd5 18.Qd5 Rd7 19.Qb3 1–0. Buss – Playfair, corr USCF 1988.

6.b5 Be7 7.Bd3 Bd3 8.cd3 =+.

6.b5 h6 7.Nd4 Bh7 8.Be2= Qc8 9.0–0+= c5 10.bc6 bc6 11.d3 c5 12.Nb3 Be7 13.N1d2 0–0 14.Qe1 Qc7 15.Qg3 Rab8 16.c4 Qb7 17.Bc3 a6 18.Rab1 Qa7 19.Rb2 Rfc8 20.Kh1 Ne8 21.Be5 (21.Rfb1!?+=) ½–½. Boehnke,Hartmut (2005) – Beishuizen,Anton P, corr ICCF EM/M/179 Email, 2002.

7.Nc3 Be7 =.

7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 Nb6 12.Na3 Bd3 13.Ne5 Bc4 14.Nac4 Nc4 15.Nc4 Qd3 16.Qa4! Qb1 17.Ke2 Qh1 18.Qa8 Ke7 19.Qb7 Ke8 20.Qa8 Ke7 21.Ne5 Qh2 22.Nc6 Kd6 23.Be5 Kd5 24.Na5# 1–0. Hecht – Lange, Berlin 1954.

7.c4 Bd6 8.cd5 ed5 9.Be2 =+.

7.c4 Bd6=+ 8.Be2 Nb6 9.d3 Ng4 10.Qd2= 0–0 11.h3 Nf6 12.0–0 dc4 13.dc4 Ne4 14.Qd1 Ng3 15.Rf2 Bc7 16.Na3 Qd1 17.Bd1 Rad8 18.Bb3 Rd3 19.Re1 Ne4 20.Rfe2 Ng3 21.Rf2= ½–½. Schirmer,Michael – Merten,Rainer, corr SOK–92–89 KGP–2–Z–02, 1992.

7.c4 Bd6=+ 8.Be2 dc4 9.Na3 =+.

7.c4 Bg4 8.Be2 dc4 9.Bc4 Be7 10.Nc3 0–0 11.0–0 Qc7 (11...Nb6 12.Be2=+) 12.h3 (12.Qc2 Nb6 13.Be2 Qd6=) 12...Bh5 (12...Bf5 13.Nh4 Nb6 14.Qe2=) 13.g4 Nb6 14.Bb3 c4 15.Bc2 Bg6=+ 16.a4 Bc2 17.Qc2 Rfd8 18.Ne5 Rac8 19.Rac1 Nfd7 20.Ne4 Ne5=+ 21.Be5 Qd7 22.f5 Nd5 23.f6 gf6 24.Bf6 Bf6 25.Rf6 c3 26.dc3 Ne3 27.Qf2 Qd3 28.Ng5 Nd1–/+ 29.Qh4 Qe3–+ 30.Kf1 h5?? (31.Qh5 Qd3 32.Kg1 Qg3 33.Kf1 Qd3 34.Kg1 Qg3 35.Kf1 Qd3=; 30...h6 31.Qh6 Qd3 32.Kg1 Nc3 33.Nf7 Qd4 34.Kg2 Qd2 35.Rf2 Qh6 36.Nh6 Kg7+/–) +–. Fournier,Frederic – Kuchelbecker,Charles, AJEC Defi corr, 1995.

7.Be2 c4 8.a4 Bc5 9.Nd4 Bg6 10.0–0 0–0 11.d3 cd3 12.cd3 Rc8 13.Nd2 e5 14.f5 (14.fe5 Ne5 15.N2b3) 14...ed4 15.ed4 Bd6 16.fg6 hg6 17.Nf3 Ng4 18.Qd2 Qe7–/+ 19.Ne5 Nge5 20.de5 Ne5 21.d4 Nc4 22.Bc4 Rc4 23.Qd3 Rfc8 24.Ba3 Ba3 25.Ra3 Qe4 26.Rd1 Qd3 27.Rdd3 Rc1 28.Kf2 R8c2 29.Kg3 Rg1 30.Kf4 f6 31.g3 Rf1 32.Rf3 Rf3 33.Kf3 Kf7 34.h4 Rc4 35.Ke3 Ke6 36.g4 f5 37.gf5 gf5 38.a5 Rb4 39.b6 ab6 40.ab6 Rb6 41.Ra8 Rb3 42.Kf4 Rd3 43.Ra4 Rh3 44.Kg5 Rg3 45.Kf4 Rg4 46.Kf3 Rh4 47.Rb4 f4 48.Rb7 g5 49.Rg7 Rh3 50.Ke2 Kf5 0–1. Sorger – Jentzsch, corr DDR, 1972.

8.Be2 0–0 9.0–0 b6 (9...Qa5 10.Bc3 Qc7 11.Nh4=) 10.c4 (10.Nh4!?=) 10...dc4=+ 11.Bc4 Be4 (11...Ne4 12.d3 Bf6 13.de4 Bb2 14.Ra2 Be4 15.Rb2+–) 12.d3 Bb7 13.e4 h6 14.Nbd2 Qc7 15.Ne5 Rad8 16.Qb3 Ne5 17.fe5 Nd7 18.Nf3 Rfe8 19.Bc3 Nf8 20.a5 Bg5 21.Ng5+– hg5 22.Qb2 Ng6 23.ab6 ab6 24.g3 Ra8+= ½–½. Perez Marin – Perez Perez, corr Cuba, 1995.

8.Be2 Ne4 9.0–0 Bf6 10.Qc1! Rc8 11.c4! b6? 12.d3 Nd6 13.Ne5! h5 (13...Be5 14.fe5 Nb7 15.cd5!) 14.Nc6 Qc7 +=/+–. Schiffler – Goers, Soemmerda 1950.

8.c4 dc4 9.Na3 =+.

8.c4 h6 9.0–0= 0–0 10.Ne5 Qc7 11.Nd7 Nd7 12.g4 Bh7 13.cd5 ed5 14.Nc3 Nf6 15.Bf3 d4 16.Nd5 Nd5–/+ 17.Bd5 Bd3 18.Rf2 Bb5 19.ed4=+ cd4 20.Bd4 Bf4 21.Qf3 Be5 22.Be5= Qe5 23.Rb1 Ba6 24.Bf7 Kh8 25.Qe3 Qc7 26.Bb3 Rf2 27.Qf2 Qd7 28.Qf4 Rd8 29.Rb2 b6 30.Rc2 Qe7 31.d4 Rf8 32.Qe5= Qh4 33.Be6 Bd3 34.Rd2 ½–½. Kucharkowski,Jens – Kreuzer,Uwe, corr SOK–91–76, 1991.

8.Nh4 Be4 =+.

9.Na3 c4 10.Nd4 Qa5 11.Nb1 Bg6 12.a4 Qc7 13.Ba3 Rfe8 14.Bd6 Qd6 15.Nc3 Rac8 16.Bf3 e5 17.fe5 Ne5 18.Nce2 Nf3 19.gf3 Nh5 20.Rf2 f5 21.f4 Nf6 22.Rg2 Qd7 23.Qe1 Re7 24.Nf3 Qe8 25.Ne5 Nd7 26.Nd7 Qd7 27.c3 Qd6 28.Nd4 Rf8 29.Qb1 Rf6 30.Kf2 Re4 31.Qc2 Bh5 32.Rag1 g6 33.Rg3 Bg4 34.h3 Bh5 35.Ra1 Rf7 36.a5 h6 37.a6 b6 38.Qc1 Kh7 39.Qg1 g5 40.Qg2 Rd4 41.ed4 gf4 42.Rg8 f3 43.Qg3 Qe7 44.Re1 f4 45.Qg1 Qh4 46.Kf1 Qh3 47.Kf2 Qh4 48.Kf1 Re7 49.Re5 f2 50.Qg2 f3 51.Qg3 Qf6 52.Kf2 1–0. Karker – Jegorow.

9.a4 Qc7 10.Na3 h6. Saplinov – Novitskij, corr 1965–67.

9.c4!? Qc7 10.Nc3 (10.a4!?).

9.d3!?

5.Nf3 e6 6.c4 c6 7.a3 Bd6 8.Be2 Qc7 9.0–0 0–0–0 10.cd5 cd5 11.Nc3 Kb8 12.Rc1 Qb6 13.Na4 1–0. Wall,Bill – Hayes,Dan, Dayton, OH, 1980.

5.Nf3 Bg4 6.b5 e5 7.fe5 fe5 8.Be2 Bd6 9.0–0 Ngf6 10.a4 0–0 11.Na3 Qe7 12.c4 c6 13.Ne1 Be6 14.Nf3 h6 15.Nh4 Ne4 16.Rf8 Qf8 17.Qe1 Qf7 18.d3 Nef6 19.Qd2 g5 20.Nf3 Qg6 21.Rf1 Rf8 22.Nb1 Bg4 23.Ba3 Ba3 24.Na3 Bf3 25.Bf3 e4 26.Be2 Nc5 27.d4 Ne6 28.Nc2 Nd7 29.a5 Rf1 30.Bf1 Ng7 31.Nb4 Qe6 32.Qc2 Qd6 33.Qc3 Nf6 34.Be2 Nf5 35.c5 Qc7 36.b6 ab6 37.ab6 Qf7 38.Qa3 Kg7 39.Nc2 h5 40.Qa7 Ng4 41.Bg4 hg4 42.Qb8 Kg6 43.Qa8 g3 44.hg3 Ng3 45.Qa1 Ne2 0–1. Kucharkowski – Thieme, Freital 1982.

5.Nf3 e5 6.Ne5 Ngf6 7.Ng6+= hg6 8.a3 g5 9.Qf3 c6 10.Qf5 Ne4 11.c4 Nd6 12.Qc2 dc4 13.Bc4 Nc4 14.Qc4 Qe7 15.Qd4 0–0–0 16.Qa7+/– Qe4 17.Rg1?? Rh2?? 18.Qa8+= Nb8 19.Nc3 Qc2 20.Bc1 Be7 21.Ne2?? Bf6–+ 22.d4 Bd4! 23.ed4 Rd4 24.Be3 Rd3 25.Rc1 Qb2 26.Qa7 Ra3 27.Qd4 Qd4 28.Nd4 Na6 29.Nf3 Rh3 30.Ng5+– (30...Rh2 31.b5+–) 1–0. marekt – marjan_79, GameColony.com, 2002.

5.Nf3 e6 6.Ne5 =+.

5.Nf3 h5 6.g5 =.

5.Nf3 h6 6.d3 e6 7.a3 Ngf6 8.Bh3 Bd6 9.c4 c5 10.cd5 ed5 11.0–0 cb4 12.ab4 Qe7 13.Nh4 0–0 14.g5= Nh7 15.Ng6+= Qg5? 16.Kh1+– fg6 17.Bd7 Qh4 18.f4 Nf6 19.Be6 Kh7 20.Qf3 Rae8 21.Bh3 Bb4 22.Bd4 a6 23.Ra4 a5 24.Nc3 Bc3 25.Bc3 Rc8? 26.Bc8 Rc8 27.Bf6 Qf6 28.Ra5 Rc2 29.Rd5 Qb2 30.f5 Rh2 31.Kg1 g5 32.f6 gf6 33.Qf5 Kg7 34.Rd7 Kf8 35.Qc5 (35...Ke8 36.Qe7#) 1–0. orane – look88, Live Game Caissa's Web, 2005.

5.Bg2 c6 6.Nf3 Ngf6 7.Ne5 Ne5 8.Be5 e6 9.a3 Bd6 10.Bd6 Qd6 11.Nc3 e5 12.g5 Bh5 13.Bf3 Bf3 14.Qf3 e4 15.Qg3= Qg3 16.hg3 Nd7 17.Ke2 0–0–0 18.d3 ed3 19.cd3 Rde8 20.d4 Nb6 21.a4 Nc4 22.Rab1 Re6 23.b5 Rg6 24.bc6 bc6 25.Rb4 a5 26.Rb3 Rg5 27.Rhb1 Kd7 28.Rb7+/– Ke6 29.Rc7 Rd8 30.Rbb7 f6? 31.Rc6 Rd6 32.Rcc7 Rd8 33.e4 Na3 34.f4 Rh5 35.Rc6 Rd6+– 36.f5 (36...Rf5 37.ef5 Kf5 38.Rd6+–) 1–0. Zalys – Courval, Montreal, 1983.

5.Nf3 e6 6.a3!? =.

5.Nf3 e6 6.a4 Bb4 7.Nd4 0–0 8.Nf5=+ ef5 9.Na3 Ne4 10.Nb5?? Bd2–+ 11.Ke2 Re8 12.Nd4 Qf6 13.Rb1 Ne5 14.Nb3 Qa6 15.c4 Qc4# 0–1. TD_6 – babylyub, ICS rated blitz match, 1998.

5.Nf3 e6 6.b5 Bd6 7.a4 0–0 8.Nd4 Be4 9.d3 Bg6 10.Be2 Rc8 11.h4 Qe7 12.h5 Bb4 13.Bc3 Bf5 14.Nf5 Bc3 15.Nc3 ef5 16.h6 c6 17.hg7 Kg7 18.bc6 Rc6 19.Nb5 Ra8 (19...f4 20.Nd4 Qb4 21.Kf1 fe3 22.fe3 Rc7+/–) 20.d4?? Kg8 21.Bd3 f4 22.Qf3 fe3 23.Qe3?? Re6–+ 24.Nc7 Re3 25.fe3 Qe3 26.Kd1 Qd4 27.Na8 Qa1 28.Kd2 Qh1 29.Nc7 Qg2 (30.Kc3 d4 31.Kd4 Qf2 32.Kc3 Qc5 33.Kd2 Qc7–+) 0–1. TD_6 – babylyub, ICS rated blitz match, 1998.

4.Be5+= f6 5.Bd4 Bb4= 6.c3 Ba5 7.Bb5 c6 8.Ba4 b5 9.Bb3 b4 10.cb4 Bb4 11.Ne2 g5 12.0–0 h5 13.g3 a5 14.Nec3 h4 15.gh4 Qd6 16.Ba4 Rh4–/+ 17.Re1?? Qh2 18.Kf1 Bd3 (19.Qe2 Qh1). KaiKerling – Goof, ChessWorld.net, 2005.

5.Bb5 Nge7 6.Bc3 d4 7.Bd4 Qd5 =.

5.Bc3 Bb4?? 6.Bg7+– f6 (6...d4 7.Bh8 de3 8.fe3 Qh4 9.g3+–) 7.c3 Bb1 (7...Bd6 8.Bh8 Qd7 9.d4+–) 8.Rb1 Ba3 (8...Qd7 9.Bh8 (9.cb4?! Qg7 10.Ne2 0–0–0+–) 9...Bd6 10.Rb7+–) 9.Qa4 Qd6 10.Rb3 Bc1 11.Ne2 Bd2 12.Kd2 0–0–0 13.Bh8 Nh6 14.Bg7 Nf5 15.Qg4 Nce7 16.Nd4 Kb8 17.Nf5 d4 18.ed4 Qe6 19.Rb5 Rg8 20.Bd3 Rg7 21.Qg7 Qa2 22.Bc2 Qe6 1–0. Heat – rychess, Live Game Caissa's Web, 2004.

5.Bc3 Nb4 6.d3 c5 =.

5.Nf3 Ne5= 6.Ne5 Qf6 7.d4 0–0–0 8.c4 Bb4=+ 9.Nd2 Bc3 10.Rc1 Bb2 11.Qa4?? Bc1–+ 12.Qa7 c6?? 13.Qa8 Kc7=+ 14.Qa5 Kc8 15.Nb3 Bb2 16.Nc5+/– Bc3 17.Qc3+– b6 18.Na4 Kc7 19.cd5 Ne7 20.Bb5?? Rd5 21.Bc4+/– Ra5 22.Qb4 Nd5+= 23.Bd5 Rb5 24.Qc4 Rb1? 25.Ke2+– Rh1 26.Qa6?? Rb8 (27.Bc6 Bg4 28.f3 Bc8 29.Qa7 Rb7 30.Bb7 Bb7+–; 26...cd5!? 27.Qa7 Kd6=). Heynen,Karel – Vettenburg,Louis, corr Belgium, 1983.

4.a3 c5 5.h3 f6 6.Nf3 h6 7.Bb5 Nd7 8.bc5 a6 9.Ba4 Bc5= 10.Nc3 Ne7 11.0–0 Nc6 12.d4 Ba7 13.Nd2 b5= 14.Bb3 0–0 15.Ne2 Bh7 16.Nf4+/– Re8 17.Re1 Rc8 18.e4 Nd4–/+ 19.ed5 Nb3 20.Nb3 e5 21.Ne6 Qb6 22.Re2 Bf5 23.Bd4? Qb7 24.Ba7–/+ Qa7 25.Rc1 Be6 26.de6 Re6 27.Qd5 Rcc6 28.Rd1 Nb6 29.Qd8 Kh7 30.Nc5?? Rc5–+ 0–1. thedesertfox (1900) – bienopia (2125), net–chess.com, 2004.

4.a3 Nc6 5.Bb5 Nf6 6.Bf6 Qf6 7.c3 a6 8.Ba4 Qg6 9.g3 0–0–0 10.Bc6 bc6 11.h3 Bd6 12.Ne2 h5 13.f4 Bd3 14.Kf2 e5 15.Rg1 ef4 16.Nf4 Bf4 17.gf4 Qf5 18.h4 f6 19.Rg7 Rhg8 20.Qg1?? Rg7–+ 21.Qg7 Qh3 22.Qg2–/+ Qf5 23.Qh1 Rg8 24.Ke1?? Bb1–+ 25.Kf2 Be4 26.Qh2 Rg2 27.Qg2 Bg2 28.Kg2 Qg4 29.Kf2 Qh4 30.Ke2 Qh2 31.Kd3 Qg2 32.Rc1 h4 33.a4 h3 34.b5 cb5 35.ab5 ab5 36.Rb1 h2 37.Rb5 Qe4 38.Ke2 Qc4 (39.Kf3 h1Q 40.Kg3 Qb5 41.c4 Qbb1 42.f5 Qbe1 43.Kf4 Qe4) 0–1. Geojr – dijk, HCL–B1738 playchess.de, 2003.

4.a3 f6 5.h3 a6 6.c4 c6 7.c5 b6 8.cb6 Qb6 9.Nf3 h6 10.Nd4 Ne7 11.Nf5 Nf5 12.Nc3 c5 13.Qa4 Nd7 14.Bb5 Bd6?? 15.Bd7+– Kf7 16.Nd5! Qd8 17.Nf4 Bf4 18.ef4 Ra7 19.Bc6 cb4 20.ab4 Qd3 21.Bb5! Qe4 22.Be2 Qg2 23.Rf1 Rd8 24.b5 a5 25.b6 Rad7 26.Rd1 Qh3 27.Qa5 Qb3 28.Bc3 Rb7 29.Bb4?? Rbd7? 30.Rb1?? Qb1–+ 31.Bd1 Qe4 32.Be2 Nd4 (33.Qh5 g6 34.Qg4 Nc2 (34...Qe2?! 35.Qe2 Ne2 36.Ke2–+) 35.Kd1 Nb4 36.Qe6 Qe6 37.d4 Rd4 38.Kc1 Rc8 39.Bc4 Qc4 40.Kb2 Qa2) 0–1. thedesertfox (1920) – bienopia (2125), net–chess.com, 2004.

4.a4 Nf6 5.b5 Be7 6.Nf3 Nbd7 7.c4 dc4 8.Bc4 0–0 9.d4 Be4 10.Nbd2 Bb4 11.0–0 Nb6 12.Bb3 Bd3 13.Re1 Ne4 14.Bc2 Nd2 15.Nd2 Bc2 16.Qc2 ½–½. Schutz – Schmitt, Hamminkeln 1986.

4.b5 a6 5.a4 (5.Nf3 ab5 6.Bb5 c6=) 5...ab5 (5...Nf6 6.Nf3=+) 6.ab5 Ra1 7.Ba1 Nf6 8.Nf3 c5 (8...Bd6 9.Be5=+) 9.c4 Nbd7 10.Nc3 Bd6 11.h3 h6 12.d3 0–0 13.Be2 Qc7 14.0–0 Rd8 15.Nh4 Bh7 16.f4 Nb6 17.Qb3 d4 18.Ne4 Be4 19.de4 Ne4 20.Qc2 Ng3 21.Rf3 Ne2 22.Qe2 Be7 23.g3 d3 24.Qd1 Nc4 25.e4 d2 26.e5 Qa5 27.Bc3 Qb5 28.Ng2 Nb2 29.Bb2 Qb2 30.Ne3 Qd4 31.Kg2 c4 32.Nc2 Qe4 33.g4 Rd3 0–1. Riveline,Maurice – Berlacki,Piotr, Paris op–B, 1996.

4.b5 Bc5?? 5.Bg7 Kd7 6.Bh8 f6 7.Nc3 Nh6 8.Qh5 Bf8 9.Bd3 Bg4 10.Qh4 1–0. valpa – Aggie, playchess.de, 2002.

4.b5 f6 5.Nf3= Bd6 6.Be2 c6 7.c4 Ne7 8.0–0 Qc7 9.d4 dc4 10.Bc4 Nd5 11.Nbd2+= Bg4 12.h3 Bh5 13.Qb3 Bf7 14.a4 Nd7 15.a5 0–0 16.Rfc1 c5 17.Ne4+/– b6 18.a6 Rac8 19.Ne1 Qb8 20.Ba3 Be7 21.Nd3 cd4 22.Be7 Ne7 23.Be6 Rc1 24.Rc1 de3 25.Bf7 Rf7 26.fe3 Ne5?? 27.Nf4 h6? 28.Qe6+– N7g6 29.Rc8 (29...Qc8 30.Qc8 Kh7 31.Nd6+–) 1–0. Grodecki,Justina (1775) – Gerhardt,Sabine (1790), BL2 South, 2001.

4.c4 Nc6 5.a3 Nf6 6.Nf3 h6 7.Qa4 Qd7 8.b5 Nb8 9.Ne5 Qc8 10.cd5 ed5 11.b6 Bd7 12.Nd7 Nfd7 13.bc7 Nc6 14.Nc3 Nb6 15.Qf4 a6? (15...Qd7!? 16.Nb5 a6+/–) 16.Bd3 Ne7 17.Qd6 (Better is 17.Rc1!? Qd7+–) 17...Qe6 18.Qe6 fe6 19.Rc1 Nc6 20.Ne2 Kd7 21.Nd4 Na4 22.Nc6 bc6 23.Rb1?? Nb2=+ 24.Rb2 Ba3 25.Ra2 Bb4 26.Ra6 Kc7 27.Ke2 Ra6 28.Ba6 Ra8 29.Bd3 Ra2 30.Rd1 c5 31.e4 c4 32.Bb1 Rb2 33.ed5 ed5 34.Ke3 Bc5 35.d4 cd3 36.Kd3 Rf2 37.Rc1 Kd6 38.Rc2 Rf4 39.Ba2 h5 40.h3 Rf5 41.Re2 Bg1 42.Bb3 Bb6 43.Rb2 Bd8 44.Bd1 Bf6 45.Ra2 h4 46.Ra6 Ke5 47.Ra2 Rf1 48.Bf3 d4 49.Rc2 Re1 50.Re2 Re2 51.Be2 Kf4 52.Bf3 ½–½. Antoniadis,Nikolaos – Troupis,Konstantinos (2125), Ambelokipi op, 1999.

4.c4 Ne7 5.Nf3 c6 6.h3 Nd7 7.g4 Bg6=+ 8.d3 f6 9.h4 h6 10.Nbd2 Qc7 11.Bh3 Bd3–/+ 12.g5 hg5 13.Be6 Nb6 14.c5 g4?? 15.Nd4 g3 16.f4 Nc4–/+ 17.Nc4 Bc4 18.h5 g6 19.Qg4 g5?? 20.h6 Bd3 21.f5?? Qe5?? 22.Qh5+– Kd8 23.Nc6! bc6 24.Be5 Rh6 25.Qh6 Bh6 26.Bg3 Bf8 27.Bd6 Ke8 28.Rh8 g4 29.Kf2 a5 30.ba5 Ra5 31.Kg3 Be2 32.Rb1 Bb5 33.Kg4 Ra2 34.Rb5! cb5 35.c6 Ra6 36.Be7 Ke7 37.c7 Ra4 38.Kf3 Rc4 39.Rh7 Kd6 40.c8Q Rc8 41.Bc8 Ke5 42.Be6 Bd6 43.Rh4 b4 44.Rd4 b3 45.Rd5 1–0. bentengutama (1955) – bienopia (2120), net–chess.com, 2003.

4.c4 Nf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.c4 e6).

4.d4? Bb4!? 5.c3 Bd6–/+.

4.d4? Nf6 5.a3=+ Nc6 (5...Bd6 6.Nf3=+) 6.b5 Nb8 7.c4 c6 (7...Be7 8.Nf3=+) 8.a4 (8.Nf3 Be7=) 8...dc4 (8...Ne4 9.Nc3=+) 9.Bc4 cb5 10.Bb5 Nbd7 11.Nf3 a6 (11...Bb4 12.Nbd2=) 12.Bd7 Qd7 13.Ne5 Qd5 (13...Qd8 14.a5=) 14.0–0 Bd6 (14...Rc8 15.Nc3 Qa5 16.Rc1=) 15.Nc3 Qa5 16.f3 Be5=+ 17.de5 Nd5 18.Nd5+= Qd5 19.Qd5 ed5+= 20.e6 Be6 21.Bg7+= Rg8 22.Bf6 Rg6 23.Be5 Bh3 24.Ra2 Bg2?? 25.Rg2+– Rg2 26.Kg2 Ke7 27.Rc1 Rd8 28.Bd4 f6 29.Rc7 Rd7 30.Rd7 Kd7 31.Kg3 Ke6 32.Kf4 h6 33.h3 h5 34.h4 b6 35.Bb6 Ke7 36.Bc5 Ke6 37.e4 de4 38.fe4 Kf7 39.Kf5 Kg7 +–. kamera – gzzz (1670), GameColony.com, 2002.

4.Ne2 Bb4?? 5.Bg7 Nh6 6.Bh8 f6 7.Nd4 Ke7 8.Bg7 Nf7 9.Nf5 ef5 10.Qh5 (10...Nd7 11.Qf5+–) 1–0. Ackermann,Robert – Klein,Waldemar, Mittelfranken–chA, 1998.

4.Ne2 Nd7 5.Ng3 Bg6 6.h4 h6 (6...Bb4?? 7.Bg7 Be7 8.Bh8 Bh4 9.Nh5+–) 7.h5 Bh7 8.Be2 Ngf6 (8...Bb4?? 9.Bg7 Qg5 10.Bh8+–) 9.0–0 (9.a3!?=+) 9...Bb4–/+ 10.a3 Bd6 11.f4 c6 12.d3 0–0 13.Nd2 Qc7 14.Nh1 (14.Rb1!? Rfe8–/+) 14...e5 15.g3 Qb6 16.fe5 Be5 17.Be5 Qe3 18.Kg2 Qe5 19.Nf2 Rfe8 20.Bf3 Qd6 21.Qb1 b6 22.Qb4 Qe5 23.Rfe1 Qe1 24.Re1 Re1 25.Ng4 Rae8 26.Nf6 Nf6 27.Qa4 b5 28.Qd4 Bf5 29.Nb3 Rb1 30.Qa7 Rb2 31.Qc5 Bd7 32.Nd4 Rc8 33.g4 Kh7 34.Kg3 Rb1 35.c3 Re1 36.Kf4 Rce8 37.Nc6 R8e3! 38.Nb4 Bg4! 39.Bg4 Nh5! 40.Bh5 g5 41.Kg4 Rg1 42.Kf5 Rf1 43.Bf3 Rff3 44.Kg4 f5 –+. FABOLOUS – ARMAGEDON_8, ChessWorld.net, 2003.

4.Ne2 Nf6 5.b5 c5 6.Ng3 Bg6 7.Be2 Bd6 8.f4 0–0 9.0–0 Nbd7 10.a4 Rc8 11.c4 Nb6 (11...dc4 12.Na3=) 12.d3 dc4 13.dc4 Ne4 (13...Qe7 14.a5 Na8 15.Nd2=) 14.a5 (14.Ne4 Be4 15.a5 Na8+=) 14...Na8 (14...Ng3 15.hg3 Na8 16.Bf3=) 15.Nc3 Ng3= 16.hg3 Rc7 17.Bh5 Rd7 18.Qf3 Bd3–/+ 19.Rfd1 Bc4 20.Qe4 Bd5?? 21.Nd5+= ed5 22.Rd5 Nc7=+ 23.Rg5 Ne6 24.Rg4 Re8 25.Rh4? Nf4?? 26.Bf7!+– Rf7 27.Qh7 Kf8 28.ef4 Ke7? 29.Qe4 1–0. Otte,Marco – Blom,Jan, Wag.Intcomp, 1997.

4.Nf3 Bg4 5.h3 Bf3 6.Qf3 Nd7 (6...Bb4?? 7.Bg7 Be7 8.Bh8+–) 7.c4 c6 (7...Bb4?? 8.Bg7 Ne5 9.Qh5+–) 8.cd5 cd5 9.Bb5 a6 (9...Bb4?? 10.Bg7 Rc8 11.0–0+– (Worse is 11.Bh8 Rc1 12.Ke2 Rh1+–)) 10.Ba4 b5 (10...Bb4?? 11.Bg7 Rc8 12.0–0+–) 11.Bb3 Ngf6 (11...Bb4?? 12.Bg7 Ne5 13.Be5+–) 12.Qf4 Be7 13.a4 Nb6 (13...0–0 14.ab5 ab5 15.Ra8 Qa8 16.0–0=+) 14.ab5= ab5 15.Ra8 Qa8 16.Qc7 Nc4=+ 17.Bf6 Bf6 18.0–0 0–0–/+ 19.d4 Rc8 20.Qf4 Be7 21.Bc2 Bb4 22.Bd3 Qb7 23.Qh4 g6 24.Be2 Nd2 25.Nd2–/+ Bd2 26.Qf6 b4 27.Rd1 Rc1 28.Rc1–/+ Bc1 29.Qd8 Kg7 30.g4 b3–+ 31.g5 b2?? 32.Qf6= Kg8 33.Qd8 Kg7 34.Qf6 Kg8 35.Qd8 Kg7 36.Qf6 Kf8 37.Qd8 Kg7 ½–½. marekt – Obliged, GameColony.com, 2002.

4.g4?! Be4 5.Nf3 Nf6 6.g5 Nfd7 7.Rg1=+.

4.g4?! Bg6 5.Nf3 Nf6 6.g5 Ne4 7.h4 Bb4 (7...Bh5 8.d3 Nd6 9.Bg2=+) 8.Bg7 Rg8 9.Bb2 Bh5 10.c3 Bd6 11.d3 Nc5 (11...Nd7 12.Be2 (12.de4 de4 13.Nbd2 ef3 14.Nf3=) 12...Ndc5 13.Nbd2=) 12.d4 (12.Nbd2=) 12...Ne4 13.Be2 Qd7 (13...Nc6) 14.Nbd2 Nd2 15.Nd2 Be2 16.Qe2 b5?! 17.Qh5 Rh8 18.0–0–0 a5 19.e4 a4?! 20.ed5 ed5 21.Rde1 Kf8 22.g6 fg6 23.Qd5 c6 24.Qg5 Be7 25.Qe5 Rg8 26.c4 a3 27.Bc3 b4 28.Qf4 Kg7 29.Ba1 Rf8 30.d5 Kg8 31.Qh6 Bf6 32.Bf6 Rf6 33.Ne4 Rf8 34.Nf6?? Rf6 35.dc6 Qc8? 36.Re7 Rf7 37.Rf7 Kf7 38.Qh7 1–0. Gross,Gerald – Bakkers,M, email b4–01–03 (Kucharkowski), 2002.

4.h4 Nf6 5.a3 –/+.

4.h4 h6 5.g4=+ Be4 (5...Bh7 6.Nf3=+) 6.f3 Bg6 (6...Bh7=+) 7.Ne2 (7.h5 Bh7=+) 7...f6 (Better is 7...Be7!? 8.Nf4 Bh4 9.Ke2 Bf6–/+) 8.h5= Bf7 9.f4 Bb4=+ 10.c4 Bd6 11.Bg2 c6–/+ 12.cd5 ed5 13.Nbc3 Ne7 14.Ng3 Nd7 15.Nce2 Qc7 16.a4 Nc5 17.Qc2 Rc8 18.Bh3 Be6 19.Nd4 Bd7 20.Ngf5 Nf5 21.gf5 Rd8 22.Rg1 Bc8 23.Ne6=+ Be6 24.fe6 Qe7 25.Qg6 Kf8 26.Ke2 Rg8 27.Qf5 Re8–/+ 28.Rg7!? Qe6?? 29.Rg8+– Qg8 30.Qf6 Qf7 31.Qh6 Ke7 32.Qg5 Kf8 33.h6 Ne6?? 34.Be6 Re6 35.h7 Qh7+= 36.Rg1 Be7 37.Qg4+/– Rd6 38.Be5 Rd8 39.f5 Bc5 40.Bg7 Kf7 41.f6 Bf8?? 42.Qg3 Rd7?? 43.Bf8+– Kf8 44.Qb8 Kf7 45.Rg7 Qg7 46.fg7 Kg7 47.Qa7 1–0. Wyss,Walter (2210) – Ridolfi,Raffaele, Academia Cup op, 1997.

5.b5 b6 6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 Qd6 9.0–0 Qc5 10.a4 c6 11.Bd4 Qd6 12.bc6 Qc6 13.Nc3+– Ne7 14.e4 de4 15.Be4 Nd5 16.Qh5 g6 17.Qf3 Rg8 18.Nd5 ed5 19.Bd5 Qd7 20.Rae1 Kd8 21.Bb6 Kc8 22.Bb7! Qb7 23.Re8 (23...Kd7 24.Rd8 Ke7 25.Re1 Qe4 26.Re4#) 1–0. Wall,Bill – Halo, internet, 2005.

5.b5 Nd7!? =.

5.Ne2 =.

5.c4 dc4 6.Bc4 b5 7.Be2 Be4 8.Nf3 Nf6 9.d3 Bb7 10.Nbd2 c5 11.bc5 Bc5 12.Rc1 Nbd7 13.0–0 0–0 14.Nb3 Bb6 15.Nbd4 Rc8 16.Rc8 Qc8 17.Qa1 Qb8 18.Nb3 Bc7 19.h3 Rc8=+ 20.Bc3 Bd5 21.Rb1 Bb6 22.Ne5 Bb3 23.Nd7 Nd7 24.Rb3 f6 25.d4+= Qc7 26.Qe1 Qc6 27.Bd2 Bd8 28.Rb1 Nb6= 29.Bf3 Qd7 30.Qd1 Kf7 31.Bb4 Nd5 32.e4 Nb4 33.ab4 Bb6 34.d5+= Rd8 35.Ra1 Qd6 36.Qb3 ed5 37.ed5 Rc8 38.Kf1 Bd4=+ 39.Re1 Be5 40.Re4 Rc3 41.Qa2 Kf8 42.g4?? Qc7 43.Kg2=+ Qd6 44.Be2 Rc7 45.Bf3 Re7 46.Re3 Rc7 47.Ra3 Qb4=+ 48.Ra6 Qc4 49.Ra8+= Rc8?? 50.Qc4+– (50...bc4 51.Rc8 Ke7 52.Rc4+–) 1–0. Rehorek,Radomir – Horak,Jiri (2255), Brno CZE–ch blind, 1998.

5.Ne2 c5 6.bc5+= Qa5 7.Nd4+/– Bg6 8.Nb3 Qc7 9.Be2 Nf6 10.Bf6+/– gf6 11.d4 Nd7 12.0–0 b6+= 13.cb6 Nb6 14.Bd3 e5 (15.Qe2 Qb7+/–; 14...Bd6 15.h3+=). ”Maradona” (1630) – Netto, chesshere.com, 2006.

5.Ne2 Nf6!? =.

5.c4 c6?? 6.Nf3 Ne7 7.Be2 0–0 8.0–0 Bc7 9.c5 Ng6 10.d4 Qf6 11.Nbd2 Ne7 12.Rc1 Qg6 13.Rc3 Bh3 14.Ne1 Nf5?? 15.a4?? e5? 16.Bh5 Qg5 17.Qf3 Nh4+= 18.Qh3 Qh5 19.Nef3 Nf3=+ 20.Qf3 Qh6 21.h3 Qe6 22.Qh5 Nd7 23.Nf3 h6 24.Rc2 Bb8 25.Ne5+/– f6 26.Nd7 Qd7 27.Qg4 f5 28.Qh4 Qc7 29.g3+/– Kh7 30.f4 Qf7+= 31.Rcf2 (31.Rg2 a5 32.b5 Qe8=) ½–½. Piorun,Zaneta – Dabrowska,Kamila, Poland–ch U10 Girls, 2001.

5.c4 c6?? 6.Bg7 Be5 7.Be5 +–.

5.c4 Nf6 6.c5 Be7 7.Nf3 =+.

5.d4 Ne7 6.c4 c6 7.Nf3 0–0 8.Nc3 Nd7 9.Bd3 Bd3 10.Qd3 Nf5 (10...Ng6 11.0–0=+) 11.c5 (11.cd5!? cd5 12.Nd5=) 11...Bc7=+ 12.b5 cb5 (12...Nh4 13.Nh4 Qh4 14.bc6 bc6 15.Qa6=) 13.Qb5 Rb8 14.Rb1 a6 15.Qd3 Qc8 16.0–0 b6 17.cb6 Nb6= 18.Bc1 Nc4 19.Nd2 Nfd6 20.Rb8 Qb8 21.Nc4 Nc4 22.Bd2? Ba5?? 23.Rb1 Qc7 24.Na4?? Bd2 25.Rd1 Ba5 26.Rc1 Qd7 27.Nc5 Qc8 28.g3 Bb6 29.Na4 Ba7 30.Nb2 h6 31.Nc4 dc4 32.Rc4 Qd7 33.Rc1 Qb5 34.Qe4 Rb8 35.Kg2 Qb2 36.Rc2 Qa3 37.Rc7 Qd6?? 38.Ra7+= Qb6 39.Rd7 a5 40.Qf4 f6 41.Rd6 Qb7 42.Kh3 a4 43.Re6 Qd7?? 44.Qf5 Qc7?? 45.Qd5 Qb7?? 46.Re8+– Kh7 47.Qg8 Kg6 48.g4 Re8 0–1. slavisa10 – Schnick, Live Game Caissa's Web, 2004.

5.Bg7 Be5 6.Be5 f6 +–.

5.c4 a5 6.cd5 ab4 7.Bb5 c6 8.dc6 bc6 9.Be2 –/+.

5.c4 dc4 6.Bc4 c5 (6...Bd6 7.d3 0–0 8.e4+/–) 7.bc5= Bc5 8.Nf3 0–0 9.0–0 Nbd7 10.d4 Bd6 11.Nc3 Rc8 12.Be2 Qb6 13.Qd2 h6 (13...Rfd8 14.Rac1=) 14.Rfc1 (14.Rac1 Rfd8=) 14...Bb8 15.Nh4 Bh7 16.Ra2 e5 17.d5 Qd8 18.g3 Nb6=+ 19.Raa1 Nbd5–/+ 20.Nd5 Qd5 21.Qd5 Nd5 22.Nf3 e4 23.Nd2 Bd6 24.Bc4 Nb6 25.Bb3 Rfe8 26.Bd4 Rcd8 27.Nc4 Nc4–/+ 28.Bc4 b6 29.Bb5 Re7 30.Rc6 Bf5 31.a4 Bg4 32.Rac1 Kh7 33.Kf1 Bd7 34.R6c4 Be6 35.R4c2 Bh3 36.Ke1 Bb4 37.Bc3 Ba3 38.Bb2 Bb4 39.Bc3 Bc5 40.Be2 Rc7 41.Bb5 f6 42.Bd4 Bb4 43.Ke2 Bg4 44.Kf1 Rc2 45.Rc2 Bc5 46.Bc5 Rd1 47.Kg2 Bf3 48.Kh3 Rd5 49.g4 bc5 50.Kg3 h5 51.h3 hg4 52.hg4 Rg5 53.Bd7 g6 54.Kf4 Re5 55.Bb5 Kh6 56.Be2 g5 57.Kg3 Be2 58.Re2 c4 59.Rc2–/+ Rc5 60.f4 ef3 61.Kf3 c3 62.Ke4 Rc4 63.Kf3 a5 64.e4 Kg7 65.Ke3 Kf7 66.Kd3 Ra4 67.Rc3 Ra1 68.Rc7 Ke6–+ 69.Rc5 a4 70.Ra5 a3 71.Kd4 a2 72.Ra6 Kf7 73.Ra7 Kg6 74.Kc3 Rc1 75.Kb2 Re1 76.Ka2 Re4 77.Kb3 Rg4 78.Kc3 f5 (79.Kd3 Rg3 80.Ke2 f4–+) 0–1. Manninen,Juha – Gross, corr 3GMM–19, 1997.

5.c4 c5 6.cd5= ed5 7.Bb5 Nc6 8.Ne2 cb4=+ 9.ab4 Bb4 10.Nd4 Bd7=+ 11.Qa4 Nd4 12.Bd4 Be7 13.Nc3 Bb5 14.Qb5+= Qd7 15.Ra7 Ra7 16.Ba7 Qb5 17.Nb5 0–0 18.0–0 Rc8 19.Nd4 Bc5?? 20.Rc1+/– Nd7 21.Nb3 b6 22.d4 Ra8 23.Nc5 (23...bc5 24.Bc5+/–; 23.dc5 Ra7 24.c6 Nc5+–) 1–0. pteros (1860) – Daniel999 (1730), ICC, 2003.

5.c4 c6 6.Nc3 Nbd7 7.d4 Be7 8.cd5 cd5 9.Bd3 Bd3 10.Qd3 a6 11.Na4 b6 12.Rc1 Rc8 13.Ne2 0–0 14.Nec3 b5 15.Nc5= Nc5 16.dc5 Nd7 17.0–0 Bf6 18.Rfd1 Nb8 19.Rc2 Nc6+= 20.Rcd2 Qc7 21.Qe2 Ne5 22.a4 Nc4 23.Rd3 Nb2=+ 24.Qb2 ba4 25.Qa3 a5 26.Na4 ab4 27.Qb4 Rb8 28.Qd2 Rb7 29.Qc2 Ra8 30.Nb6 0–1. mgriffin – peppone (1970), net–chess.com, 2001.

5.c4 Nbd7 6.Nf3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 Nbd7 6.a3).

5.d4 Be7 6.c4 0–0 7.c5 a5 8.b5 h6 9.Nf3 Nbd7 10.Bd3 Bd3 11.Qd3 Ne4 12.Nc3 Nc3 13.Bc3 b6 14.c6 Nf6 15.Nd2 a4 16.0–0 Bd6 17.h3 Nh5 18.e4 Nf4 19.Qf3 de4 20.Ne4 Nd5 21.Bb2 Qe7 22.Nc3 Nc3 23.Bc3 Ba3 24.d5 Bd6 25.Qg4 f5 26.Qd4 e5 27.Qd1 a3 28.Re1 e4 29.Qb3 Kh8 30.Qd1 Be5 31.Qc1 Bc3 32.Qc3 Ra5 33.Qb3 Qc5 34.d6 Qd6 (35.Red1 Qe5 36.Ra3 Rb5–+ (< 36...Qb5 37.Qb5 Rb5 38.Ra7–/+)) 0–1. Loulou – fatou, HCL–A1473 playchess.de, 2003.

5.Be2 c5 6.bc5 Bc5 7.Nf3 0–0 8.0–0 Nbd7 9.Nh4 Qb6 10.Bf6 Nf6 11.Nf5 ef5 12.Nc3 Qe6 13.Qb1 a6 14.d4 Bd6 15.Bf3 Rac8 16.Qb3 Ne4 17.Be4 de4 18.Na4 b5–/+ 19.Nb2 Rc7 20.a4 b4 21.Nd1 Rfc8 22.Ra2 Rc2 23.Qc2 Rc2 24.Rc2 b3 25.Rc3 Ba3 26.Rc7 Kf8 27.Rb7 Qc4 28.h4 g6 29.a5 Bd6 30.g3 Bc7 31.Nb2 Qc2 32.Ra7 Bd8 33.Ra6 Qb2 34.Ra8 Ke7 35.a6 Qa2 36.Rb8 Qa6 37.Rb3 h6 38.Rfb1 Kf6 39.Rb8 Qd6 40.R1b5 g5 41.hg5 hg5 42.Rc8 f4 43.Rbc5 Kg7 44.gf4 gf4 45.R8c6? Qd7 46.ef4 Qg4 (47.Kh1 Bf6–+) 0–1. Balkind,Imanuel (1800) – Pischner,Rainer (2205), remoteschach.de, 2004.

5.Nf3 Bd6 =.

5.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.a3 Nbd7).

5.Nf3 Be7 6.c4 c6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.a3 Be7).

5.c4 d4 6.ed4 cd4 7.d3 Bb4=+ 8.Nd2 Nf6 9.Ngf3= e5 10.Be2 Nbd7 11.0–0 0–0 12.a3 Ba5 13.Nb3= Bc7 14.Nfd2 Ne8 15.Qc2 b6 16.Bf3 Rb8= 17.a4 Nd6 18.Ba3 Re8 19.Rfe1 Re6 20.Bb4 Rh6 21.g3 Ne8 22.a5 Nef6 23.ab6+= ab6 24.Ra7 Ng4 25.Nf1 Nf8 26.Qe2 Rg6 27.Nbd2 Ne6 28.Ne4 Nf6 29.Nfd2?? Nf4–+ 30.Qd1 Nd3 31.Rc7 Nb4?? 32.Ra7–/+ Nd3 33.Re2 Nf4 34.Re1 Nd3 (better is 34...Rc8–/+) ½–½. Labahn,Thomas – Bremer,H, Verbandsklasse, 1989.

5.d4 c4 6.g4 Qa5 7.Bc3 Bb4 8.Qd2 Bc3 9.Nc3 Bg4 10.Rb1 Nd7 11.f3 Bh5 12.e4 Ne7 13.Nd5 Qd2 14.Kd2 ed5 15.ed5 Rc8 16.Bh3 c3 17.Kc1 Nd5 18.Ne2 Bf3 0–1. surftimm – chrisg, playchess.de, 2001.

5.c4 Nf6=+ 6.Qb3 (6.cd5 ed5 7.Qf3 Be4 8.Bf6 gf6=) 6...0–0 (6...Nbd7 7.cd5 Nc5 8.Qd1 ed5 9.Qf3=+) 7.Nf3 Nbd7 8.d4 dc4 (8...c5 9.Be2–/+) 9.Bc4 Nb6 10.Be2 Be4 11.0–0 h6 12.Nc3 Nbd5 13.Ne4+= Ne4 14.Rfd1 Qf6 15.Bd3 Ng5 16.Ng5 Qg5 17.f4 Qe7 18.Be4 c6 19.a4 Rab8 20.Bf3 Rfc8= 21.g3 f5 22.e4 fe4 23.Be4 Rf8 24.Bd5 ed5=+ 25.Re1 Qd7 26.Qe3 (26.Ba3 Rbe8=) ½–½. Hoelldorfer,August – Schneider,Martin, 7sen.BayEM Schney, 1995.

5.Nf3 Nd7 6.Bg7 Qe7 7.Bh8 f6 8.Nd4 Bg6 9.Nc3 0–0–0 10.a4 Nh6 11.Nc6 bc6 12.bc6 Nb8 13.Qb1 Nc6 14.Ba6 Kd7 15.Qb5 Rh8 16.Bb7 Ke8 17.Bc6 Kf7 18.e4 d4 19.Ne2 Bc5 20.0–0 Ng4 21.Nf4 Qd6 22.g3 Ke7 23.Nd3 Ne5 24.Ne5 Qe5 25.d3 h5 26.f4 Qd6 27.e5 fe5 28.fe5 Qe5 29.Rae1 Qg5?? 30.Qc4 Bf7 31.Rf7! Kf7 32.Qe6 Kg7 33.Qd7 Kg6 34.Re6 Kf5 35.Be4 Kg4 36.Rg6# 1–0. Wartenberg,Erwin – Brodt,Dominik, Rheinhessen–ch HT1 op, 1999.

5.Bg7 Bg4 6.Qc1 +–.

(--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.b5 e6).

5.c4 c6 6.Nf3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.b5).

5.Nf3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.b5).

5.Be2 Bb4?? 6.Bg7 f6 7.Bh8 Qa5 (7...e5 8.Nf3+–) 8.Bh5 (8.Bg4 Be4 9.f3 Bf5 10.Bf5 ef5+–) 8...Ke7 9.c3 Bd6 10.Nf3 Nd7 11.Nd4 Bg6 12.Bg6 hg6 13.Qg4 e5 (13...Nf8 14.Bg7 e5 15.Bf8 Kf8+–) 14.Qe6 Kf8 15.Nf3 Nc5 16.Qd6 Kf7 17.0–0 Ne4 18.d3 Nd6–+ 19.a4? Ne7 20.Bf6?! Kf6 21.d4 e4 22.Nh4 Rh8 23.g3 Nef5 24.Ng2 Qc7 25.Nf4 Qh7 26.h4 g5 27.Nd5 cd5 28.Kg2 gh4 29.Nd2 hg3 30.fg3 Qh2 0–1. Slooooowly – jakesh, Live Game Caissa's Web, 2004.

5.Be2 Bb4?? 6.Bg7 Qg5 7.Bh8 Qg2 8.Bf3 +–.

5.Be2 Nf6 6.c4 (6.b5 cb5 7.Bb5 Nc6=+) 6...Ne4 (6...Bb4 7.cd5 Qd5 8.Nf3–/+) 7.d3 (7.c5 Be7=) 7...Nf6 (7...Bb4 8.Kf1 Nf6 9.cd5 cd5 10.Nf3–/+) 8.Nf3 (8.Qb3!?=) 8...Bb4 9.Nc3 (9.Nbd2–/+) 9...a5 (9...dc4!? 10.dc4 Qa5–+) 10.0–0 Bg6 11.Nh4 Be7 12.Nf3 Bd6 13.cd5= cd5 14.e4 de4 15.Ne4 Be7 16.Qa4 Nc6 17.Ba3 Ba3 18.Qa3 Qe7 19.Nf6 Qf6 20.Nd2 Qe7 21.Qb3 Rb8 22.Qb6 0–0 23.Bf3 Ne5 24.Be4 Be4 25.de4 Nd7 26.Qa5= Rfd8 27.Nc4 b6 28.Qb5= Nc5 29.Ne5 Qd6 30.Nc6+= Qd7 31.a4 Rbc8 32.Nd8+– Rd8 33.Qb6 Nd3? 34.a5 h6 35.a6 Ra8 36.Qb7 Qe8 37.a7 Nc5 38.Qb6 Ne4 39.Rfb1 Nf6 40.Qb8! Nd7 41.Qe8 Re8 42.a8Q Kf8 43.Qa3 Kg8 44.Rb7 Ne5 45.f4 Nc6 46.Rc1 Nd4 47.Rcc7 Ne2 48.Kf2 Rf8 49.Qe7 Nf4 50.g3 Nd5 51.Qd7 Nc7+– 52.Rc7 g5 53.Rc8 g4 54.Rf8 Kf8 55.Ke3 Kg7 56.Kf4 h5 57.Qe7 e5 58.Ke5 h4 59.Qf6 Kf8 60.Qh4 Ke8 61.Qg4 Kd8 62.Kd6 f6 63.Qd7# 1–0. Scirocco – NewMembership, Live Game Caissa's Web, 2004.

5.Nf3 f6 6.Be2 Ne7 7.0–0 0–0 8.d4 c5 9.cd5 Nd5 10.a3= Ba5 11.dc5 b6 12.Nd4+/– bc5 13.Nf5+– ef5? 14.Bc4 Kh8 15.Bd5 (15...Qb6 16.Bc3 Bc3 17.Nc3+– (17.Ba8?! Ba1 18.Qc2 Na6=)) 1–0. gtate (1955) – ctessman (1885), net–chess.com, 2005.

5.Bg7 Nf6 6.Bh8 Kf8 7.Qb3 a5 8.a3 dc4 9.Bc4 Bd6 10.Nc3 Kg8 11.Bf6 Qf6 12.Qb7 Ra6 13.Qb8 Kg7 14.Ba6 Be5 15.Qb3 1–0. wlittle (2300) – debutler (2100), net–chess.com, 2004.

5.Bc4 Nc6 6.Bb5 =.

5.Bc4 Nf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.c4 dc4 5.Bc4 e6).

5.Bc4 Nf6 6.b5 Bd6 7.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 Nbd7 5.c4 dc4 6.Bc4 e6 7.b5 Bd6).

5.Bc4 Qh4 6.d3 (6.Bd4!?=) 6...Bb4=+ 7.Nd2 (7.Bc3 Qf6 8.Bb4 Qa1+–) 7...Nf6 (7...Qg5 8.Qf3 Nc6 9.Nh3 Bh3 10.Qh3–/+) 8.Ngf3 Qg4 9.h3 Qg2–/+ 10.Qa4 Nc6–+ 11.Ke2 Qg6 12.Ne5 Qh5 13.Ndf3 0–0–0?? 14.Nc6+– Be4?? 15.Nce5 a5 16.Rad1 Bf3 17.Nf3 c6 18.a3 Bd6 19.Qc2 Ne8 20.Rdg1 h6 21.Rg4 Rg8 22.Rh4 Qf5 23.e4 Qh7 24.Ba6 Rd7? 25.Qc6 Rc7 26.Bb7 Kb8 27.Qb6 Bc5 28.Qa6 Rb7 29.Be5 1–0. Pommerel,Wim – Gross,Wilhelm, corr sok, 1995.

5.a3 f6 6.d4 Bd6 7.Nc3 Ne7 8.Nf3 Nd7 9.Be2 h6 10.0–0 g5 11.h3 Rc8 12.Re1 Bb8 13.Nd2 Qc7 14.Rc1?? Qh2 (15.Kf1 Qh1) 0–1. wlittle (2155) – bienopia (2160), net–chess.com, 2004.

5.a4 dc4 6.Bc4 Qg5 7.Nf3 =+.

5.a4 Nf6 6.Qb3 a6 (6...Bd6 7.Nf3=+) 7.Nc3 (7.Nf3 dc4 8.Bc4 Nd5=) 7...Qb6 8.b5 a5 (8...ab5 9.ab5 Ra1 10.Ba1=+) 9.Ba3 c5 10.cd5= ed5 11.Nd5+= Nd5 12.Bc4?? Nf6 13.Bf7–/+ Kd8 14.Nf3 Nbd7 15.Ng5 h6 16.Ne6 Be6 17.Be6 Ke7 18.Bd7 Kd7 19.Rc1 Rc8 20.Qf7 Kd8 21.0–0 Rc7 22.Qg6 Qe6 23.Rc3 Qe4 24.Qe4 Ne4 25.Rc4? Nd2–+ 26.Rd1 Rd7 27.Rcc1 c4 28.Bf8 Rf8 0–1. Zylla – Wafzig, BS–MK Kreisliga, 1994.

5.c5 b6 6.d4 (6.Qa4 bc5 7.bc5 A) 7...Bc5?? 8.Bg7 Qb6 9.Qb3+– (9.Bh8?! Bb1 10.Nf3 Ne7+–); B) 7...Nf6=) 6...bc5 (6...a5 7.b5=+) 7.dc5 (Better is 7.bc5 Nd7 8.Nf3=) 7...Be7 (Better is 7...a5 8.a3 Nd7=) 8.Bg7–/+ Bf6 9.Bh8 Bh8 10.Bd3?? (Better is 10.Nd2–/+) 10...Bd3–+ 11.Qd3 Ba1 12.Nc3 (Better is 12.Qh7 Ne7 13.Nf3–+) 12...Bc3 (12...a5 13.b5–+) 13.Qc3 Qf6 14.Qf6 (14.Ne2 a5 15.b5 cb5–+) 14...Nf6 15.Nf3 Nbd7 (Better is 15...a5 16.b5 cb5 17.Nd4–+) 16.Ng5? (16.Nd4 Ne5 17.Ke2 a5–+) 16...0–0–0 (Better is 16...Rb8 17.a3 a5–+) 17.h4 (Better is 17.Nf7!? Rg8 18.g3–+) 17...Ne5 (18.Rh3 Kd7–+; 17...Kc7 18.a3 a5 19.Kd2–+) 0–1. kamera (1640) – gzzz (1625), GameColony.com, 2002.

5.c5 Nf6 6.Nf3=+.

5.cd5 ed5 6.a3 Nd7=.

5.cd5 ed5 6.Bc3 Nf6 7.Qf3 Be4 8.Qg3 Bg6 9.Nf3 Bd6 10.Qh4 Nbd7 11.Be2 0–0 12.d3 b6 13.0–0 Re8 14.Nbd2 Be7 15.Qh3 c5 16.bc5 bc5 17.Nh4 Nf8 18.Ng6 Ng6 19.Rab1 d4 20.Ba1 Bd6 21.Rfe1 Rb8 22.Rb8 Bb8 23.Nc4 Ne5 24.ed4 cd4 25.Ne5 Be5 26.Kf1 Qa5 27.f4 Bf4 28.Bd4 Bd2 29.Rd1 Bc3 30.Bc3 Qc3 31.Bf3 Qb2 32.Re1 Qa2 33.Re8 Ne8 34.Qd7 Kf8 35.d4 Qc4 36.Kf2 a5 37.Bc6 Qe6 38.Kf3 Qd7 39.Bd7 Nf6 40.Bc6 Ke7 41.Ba4 Nd5 0–1. kazimierski – mbueno, playchess.de, 2002.

5.Nf3 Nd7 6.Be2 Ngf6 7.a3 Bd6 8.d3 0–0 9.Nbd2 Re8 10.0–0 e5 11.Rc1 Rc8 12.Qb3 Bd3 (12...Qe7!?=) 13.Bd3 e4 14.Be2 ef3 15.Nf3 Ne5 16.cd5 Nd5 17.Rfd1 Nf3 18.Bf3 (18.gf3? Qg5 19.Kf1 Bh2–+) 18...Be5?? (18...Qh4 19.h3 Red8 20.Bd5 cd5 21.Rc8 Rc8 22.Rd5+–) 19.e4 Qh4?? 20.g3 Qf6 21.Be5 Re5 22.Rd5 (22...Re7 23.Qc3+–) 1–0. Schols,Andre (1755) – Timmerhuis,Jan, Rotterdam Triomfator op 1st, 2002.

5.Nf3 Nf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6).

5.a3 c5 6.c3 c4 7.d3 cd3 8.Bd3 Bd3 9.Qd3 Nc6 10.b5 Ne5 11.Qd4 Nc4 12.Ra2 Qb6 13.Qb6 ab6 14.Nf3 Bd6 15.0–0 0–0 16.Nbd2 Nb2 17.Rb2 Ra3 18.Nb1 Ra5 19.Nd4 Rfa8 20.Nd2 Ra2 21.Ra2 Ra2 22.N2f3 Ne4 23.h3 g6 24.g3 Nc3 25.Ng5 h6 26.Ngf3 Kf8 27.g4 e5 28.Nb3 Rb2 29.Nc1 Rb5 30.Nd3 e4 31.Nd4 Ra5 32.Nf4 Bf4 33.ef4 Ra4 34.Nc2 b5 35.f5 b4 36.Nd4 gf5 37.gf5 Ra3 38.Nc2 Ra2 39.Nb4 (time, 1–0). ronnieg – nicolana, fics, Oklahoma City, 2001.

5.a3 c5 6.c3 Nc6 7.b5 (7.Nf3 c4=+) 7...Na5 8.Nf3 c4 9.a4 Bd6 10.d4 0–0 (10...cd3 11.Bd3 Bd3 12.Qd3–/+) 11.0–0 (11.Nbd2 Qe7=+) 11...Bb1 12.Rb1 a6 13.Bc1 ab5 14.Rb5 Ne4 15.Qc2 Ng5 16.Ne5 Be5 17.de5 b6 18.Rd1 Nb3 19.Bc4 Nc1 20.Qc1 Ra4 21.Bb3 Ra5 22.Ra5 ba5 23.Qa3 Ne4 24.Bc2 Qa8?? 25.Be4 de4= 26.h3 f6 27.ef6+/– Rf6?? 28.Ra1 Rf5+= 29.c4 Qa6 +/–. annmarie – oreoo, Live Game Caissa's Web, 2004.

5.a3= Nd7 6.Be2 Ngf6 7.0–0 h6 8.c4 dc4 9.Bc4 Nb6 10.Be2 Be7 11.d4 0–0 12.Nbd2 Ne4 13.Rc1 c6 14.Nb3 Na4 15.Ba1 Nb6 16.Ne5 f6 17.Nc4 Nc4 18.Bc4 Nd6 19.Be2 Bg6 20.Bh5 Bh5+= 21.Qh5 Nb5 22.Bb2 Qd5 23.Qd1 f5 24.a4 Nc7 25.Nc5 Rab8 26.Nd3 Rfd8 27.Bc3 Qd6 28.Qh5 Nd5 29.Bd2 Rf8 30.f4 Qd8 31.Rf3 Nf6 32.Qh3 Ne4 33.Be1 Qd5 34.Ne5 Rbd8 35.Ng6+= Rfe8 36.g4 Kh7 37.Ne7= Re7 38.Bh4 g5? 39.Bg5+– Ng5 40.fg5 fg4 41.Qh6 Kg8 42.Rf4 g3 43.Rcf1 gh2 44.Kh2 Rg7?? 45.Rh4 (45...Qd6 46.Kh3 Qg3 47.Kg3 Rd4 48.Qh8#) 1–0. Margraf,A – Hiller,B, Schwaben, 1991.

5.a3 Nf6 =.

5.c4 Bb4?? 6.Bg7+– (6...dc4 7.Bc4+–) 1–0. pcmvr – Stiller, ChessWorld.net, 2002.

5.c4 dc4 6.Bc4 Nf6 7.a3 =.

5.c4 Nf6 6.Qa4 Nbd7 7.c5 a5 8.Bf6 gf6 =.

5.c4 Nf6 6.c5 Be7 7.Be2 0–0 8.d4 b6 9.0–0 bc5 (9...a5 10.a3=) 10.bc5 (10.dc5 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Nc6=) 10...Nc6 (10...Ra7 11.Nc3=) 11.Bd3 Bd3 12.Qd3 Ne4 13.Bc3 a5 14.a3 Rb8 15.Nbd2 Nc3 16.Qc3 Bf6 17.Rab1 Qe7 18.Ne5 Be5 19.de5 Qg5 20.f4 Qh5 21.Qd3 f6 22.Qa6 Qe8 23.ef6 gf6 24.Rb8+/– Nb8 25.Qa5 Qe7 26.Qc3 Nc6 27.Nf3 Re8 28.Nd4 Nd4 29.ed4+– c6 30.Re1 Kh8 31.Qb4 Qc7 32.g3 Rb8 33.Qc3 Re8 34.a4 Qd7 35.Qb4 Kg7 36.Rb1 Re7 37.a5 e5 38.fe5 fe5 39.de5 Re5?? 40.a6 Kg6 41.Qb7 Qf5?? 42.Qc6 Kg5 1–0. Heidebreck,Sven – Barte,A, Balatonalmadi op–B, 1996.

5.Nd4 Be4 =.

5.Be2 Nd7 6.0–0 Ngf6 7.a3 c6 8.d3 Bd6= 9.Nbd2 Rg8 10.Rc1 g5 11.Nd4+= Qc7 12.h3 Bg6 13.c4+= h5 14.cd5 Nd5 15.Bh5 Bh5 16.Qh5+/– 0–0–0? 17.Rfd1 g4+/– 18.hg4 N7f6 19.Qh3 Rh8 20.Qf3+/– Rh6 21.b5 Rdh8 22.g3 Rh1 23.Qh1 Rh1 24.Kh1 Bg3?? 25.Nc6 Qd6?? 26.Bf6 Nf6 27.Ne4 Qf8 28.Ne5 Kd8 29.Ng3 (29...Qa3 30.g5+–) 1–0. Cruz,Christian – Zamarbide Ibarrea,Daniel, Wch U10 Heraklion, 2002.

5.Be2 Nf6 6.a3 c5 (6...Bd6 7.Nh4=) 7.bc5 Bc5 8.0–0 Nbd7 9.d4 (9.Nh4 Be4=) 9...Bd6 10.c4 dc4 11.Bc4 Rc8 12.Bd3 Bg4 (12...Bd3 13.Qd3 Nc5 14.Qd1=) 13.h3= Bh5 14.g4 Ng4 15.hg4+= Bg4 16.Kg2 Qf6 17.Be2?? Qg6?? 18.Rg1 Bf5 19.Kf1+= Bh3 20.Ke1+/– Qf5 21.Nbd2 0–0? 22.e4 Qa5 23.d5 e5? 24.Rg3+– Rc2 25.Rb1 Rfc8 26.Rh3 Nc5 27.Qc2 Rc7 28.Qd1 Ne4 29.Rc1 Qb6 30.Ne4 Qb2 31.Rc7 Bc7 32.d6 Ba5 33.Kf1 1–0. var – shooin, Live Game Caissa's Web, 2004.

5.Na3?? Qd6 6.Nb5 Qc5 7.a3 Ba5 8.Ne5 Qc2 9.Qc2 Bc2 10.Be2 a6 11.Nc3 Bc3 12.Bc3 Ne7 13.0–0 Ba4 14.f4 Nd7 15.Nd7 Bd7 16.a4 0–0–0 17.a5 Rhg8 18.Bd4 Kb8 19.Rab1 g5 20.Ba6 Bc6 21.Bb5 Bb5 22.Rb5 gf4 23.Rf4 Nc6 24.Bf6 e5 25.Ra4 Rd6 26.Bh4 Rdg6 27.Bg3 h5 28.a6 b6 29.h4 Rg3 30.a7 Na7 31.Rd5 Rg2 32.Kf1 Rg1 33.Kf2 R8g2 34.Kf3 Rg3 35.Kf2 R1g2 36.Kf1 Rh2 (time, 0–1). saetta – Parini, ICS, 1999.

5.Bg7 c6 6.Bh8 f6 7.Nh4 Qb6 8.Qh5 (8...Bg6 9.Ng6 hg6 10.Qg6 Ke7 11.Qg7 Kd6 12.Qg8) 1–0. Plock – Dehlen, blitz 1996.

5.Bg7 Nc6 6.Bh8 a6 7.Be2 +–.

5.Bg7 Nc6 6.Bh8 f6 7.Bb5 Qe7 8.Nd4 0–0–0 9.Bc6 bc6 10.Nc6 Qf8 11.Nd8 Qd8 12.c3 Be7 13.Qa4 Be4 14.f3 Bg6 15.Qa7 Nh6 16.Qa8 Kd7 17.Qd8 Kd8 18.a4 Nf7 19.Bg7 h6 20.a5 e5 (20...Kc8 21.Ke2+–) 21.a6 Ba3 22.Na3 Bb1 23.Nb1 Ng5 24.a7 Nf3 25.gf3 (25…f5 26.a8Q Kd7 27.Qd5 Ke7 28.Bf8 Kf6 29.Ra6 c6 30.Rc6 Kg5 31.Rg1 Kh5 32.Rh6) 1–0. Bonetti,Shane – schmanderson, ICC, 2002.

5.Bg7 Nc6 6.Bh8 f6 7.Nh4 Bg6 8.Ng6 hg6 9.Qg4 Qe7 10.Bb5 g5 11.h4 0–0–0 12.Bc6 Nh6 13.Qd4 Rh8 14.Qa7 (14...bc6 15.Qa8 Kd7 16.Qh8+–) 1–0. pcmvr (2760) – chips (2340), net–chess.com, 2006.

5.Bg7 f6 6.Nd4 Kf7 7.Nf5 ef5 8.Bh8 Nh6 9.Qh5 Kg8 10.Qh6 Kh8 1–0. marekt – erkan, gameknot.com, 2001.

5.Bg7 f6 6.Bh8 Qd7 7.c3 Ba5 8.c4 Nc6 9.Qa4 0–0–0 10.Be2 Qf7 11.0–0 Nh6 12.Bf6 Qf6 13.d4 Rg8 14.Kh1 Qg6 15.Rg1 Ng4 16.g3 Nh2 17.Nh2 (17.Kh2 Qh5 18.Nh4 Qe2 19.Nf5 Qf2 20.Rg2 Qf5–/+) 17...h5 18.Na3 a6 19.Qb3 Ne7 20.Rab1 Bb1 21.Qb1 Qf6 22.Rg2 h4 23.Qg1?? h3–+ 24.c5 hg2 25.Qg2 Qf5 26.Kg1? Bb4 27.Nc2?? Qc2 28.Qf3 Qa2 29.Qf7 Kd7 30.Bg4 Qb1 31.Kg2 Qe4 32.Bf3 Qf5 33.Qf5 Nf5 34.g4 Nh4 35.Kg3 Nf3 36.Kf3 a5 37.Nf1 a4 (38.e4 de4 39.Ke4 Rg4 40.Kd3 a3–+) 0–1. Onoprienko,A – Schovanek,Jan, Frymburk Czech–ch U14, 2000.

5.Bg7 f6 6.Bh8 Kf7 7.Nd4 Nh6 8.Nf5 Nf5 9.Qh5 Kg8 10.Bd3 Qe7 11.g4 Nd6 12.c3 Bc5 13.g5 Kh8 14.gf6 Qf7 15.Bg6 Qf8 16.Qh7 1–0. fraksweden – Cmurillo, ChessWorld.net, 2001.

5.Bg7+– Bg4 6.Bh8 f6 7.h3 Bf3 8.Qf3 Nc6 9.Qh5 Kd7 10.Qh7 Kc8 11.Be2 d4 12.0–0 b6 13.Ba6 Kb8 14.Qe4 Qd6 15.ed4 Nge7 16.Bf6 Bd2 17.Be7 Qe7 1–0. Mico,Diego – Martinez,Anselmo, Alzira op, 1993.

5.Bg7 Nh6 6.Bh8 f6 7.c3 Bd6 8.Be2 Nf7 9.Bf6 Qf6 10.0–0 Nc6 11.Bb5 Ng5 12.Bc6 bc6 13.Ng5 Qg5 14.f4 Qg6 15.d4 Be4 16.g3 h5 17.Nd2 Bf5 18.Nf3 Bg4 19.Qa4 Kd7 20.Ne5 Be5 21.fe5 h4 22.Kg2 Bf5 23.c4 Be4 24.Rf3 Bf3 25.Kf3 Rf8 26.Kg2 hg3 27.Qd1 gh2 28.Kh1 Qe4 0–1. valpa – fighter, playchess.de, 2002.

6.Bh8 Nc6 7.Bb5!? Nd7 +–.

6.Bh8 Nc6 7.Bb5 Be7 8.Ne5 Qd6 9.Bc6 bc6 10.d4 Qb4 11.c3 Qb2 12.Nd2 Qc3 13.Rc1 Qb2 14.Nc6 Bd6 15.Bf6 Qa2 16.0–0 Kd7 17.Nf3 a5 18.Ra1 Qc4 19.Nce5 Ke8 20.Nc4 (20...dc4 21.Qa4 Kf8 22.Qc6+–) 1–0. coloplayah (2140) – losertoo (1980), net–chess.com, 2006.

6.Bh8 Nc6 7.Bf6 Qf6 8.c3 Bd6 9.Bb5 h6 (9...Kf8 10.Bc6 bc6 11.Nd4+–) 10.Bc6 (10.Nd4 a6 11.Bc6 bc6+–) 10...bc6 11.d4 Kd7 12.Nbd2 Rg8 13.g3 Bh3 14.Rg1 h5 15.Qc2 Bg4 16.Nh4 e5 17.Qa4 ed4 18.cd4 Re8 19.f3 Re3 20.Kf2?? Rf3?? 21.Nhf3 h4 22.Rac1 hg3 23.hg3 Kc8 24.Rge1 Kd8 25.Qc6 Bf3 26.Qa8 Kd7 27.Qe8 1–0. Slavisa666 – FlyBiMarc6, Live Game Caissa's Web, 2004.

6.Bh8 Bd6 7.Nd4 +–.

6.Bh8 Ne4 7.Bc3 Nc6 8.Bb5 Nc3 9.Nc3 Qd6 10.Ne2 0–0–0 11.c3 Ba5 12.0–0 a6 13.Bc6 Qc6 14.Ne5 (14...Qe8 15.Nd4+–) 1–0. wlittle (2245) – honza (2350), net–chess.com, 2004.

6.Bh8 Ng4 7.c3 Bd6 8.Nd4 Bg6 9.Qg4 f6 10.Qe6 Be7 11.Bf6 Nd7 12.Qg8 Nf8 13.Bb5 c6 14.Nc6 Qd6 15.Ne7 1–0. marekt – danieli, GameColony.com, 2002.

5.a3 =.

5.b5 Na5!? =.

5.b5 Nb4 6.d3+/– d4 7.Bd4 Bg4 8.Be2 Nd5 9.0–0 Nge7 10.Nbd2 Nf5 11.Bb2 Nf6 12.Bf6 Qf6+/– 13.Ne4 Qd8 14.h3 Bf3 15.Bf3 Nh4 16.d4 f5 17.Ng3+– Bd6? 18.Bb7 Rb8 19.Bc6 Kf7 20.Ne2 Rf8 21.c4 Kg8 22.c5 Be7 23.Qa4 e5 24.Qa7 e4 25.Nf4 Bg5 26.Ne6 Qe7 27.Nf8 Qf8 28.Qc7 f4 29.ef4 Bf4 30.Qd7 e3 31.Qe6 Kh8 32.fe3 (32...Ng6 33.ef4+–) 1–0. agluis (2010) – bishopbriggs (2105), net–chess.com, 2003.

5.b5 Nce7 6.c4 dc4 7.Bc4 Nd5 8.0–0 Nb4 9.Nd4 Bd3 10.Bd3 Nd3 11.Bc3 e5 12.Nf3 e4 13.Nd4 Nf6 14.a4 Bc5 15.Qc2 0–0 16.Nb3 Bd6 17.Na5 Bh2 18.Kh1 Ng4 19.g3 Qg5 20.Bd4 Qh6 21.Kg2 Bg1 0–1. hal1958 – Westen, playchess.de, 2002.

5.a3 a5 =.

5.a3 Ngf6 6.c4 c6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.a3 Nbd7).

5.c4 dc4 6.Bc4 Nb6 7.Bb5 c6 8.Be2 =.

5.c4 dc4 6.Bc4 Ngf6 7.b5 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.c4 dc4 5.Bc4 e6 6.b5 Nbd7 7.Nf3).

5.c4 c6 6.Be2 Ngf6 7.a3 Be7 8.d3 0–0 9.Nbd2 Qc7 10.Nh4= Bg6 11.Ng6+= fg6 12.Nf3 Rad8 13.Nd4 Qe5+– 14.Qb3 dc4+/– 15.dc4 Kh8? 16.Nc6!+– Qf5? 17.Ne7 Qg5 18.Bf3 Ne5 19.Be5 Qe5 20.0–0 Qc7 21.Ng6 hg6 22.c5 e5 23.Qc2 Qf7 24.Rac1 g5 25.h3 g6 26.Rfd1 Kg7 27.Rd8 Rd8 28.Qc4 Qc4 29.Rc4 Kf8 30.c6 bc6 31.Rc6 Ke7 32.Rc7 Rd7 33.Rd7 Kd7 34.b5 Kc7 35.a4 Kb6 36.Bd1 Nd5 37.Bc2 Ne7 38.Kf1 Kc5 39.Ke2 Kc4 40.Kf3 (40...Kc3 41.Bb1+–) 1–0. Skaug,Thorbjorn – Johansen,Bjorn Berg, NM Roros, 2002.

5.c4 Ngf6 6.c5 c6 7.Be2 Be7 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.c5 Nbd7 7.Be2 Be7).

5.c4 h6 6.a3 Ngf6 7.d4 c6 8.Bd3 Bd3 9.Qd3 Bd6 10.0–0 0–0 11.Nbd2 Re8 12.Ne5 Bc7 13.f4 dc4 14.Ndc4 Nb6 15.Qc2 Nc4= 16.Qc4 Qd5 17.Qc2 Qe4 18.Qe4 Ne4 19.Nd3 ½–½. Zurita Gutierrez,Antonio (2115) – Claros Egea,Christian (2000), Malaga–ch fin, 2002.

5.Be2 Ngf6 6.a3 Be7 7.d3 0–0 8.Nbd2 a6 9.c4 b6 10.cd5 ed5 11.Nd4 Be6 12.Nc6 Qe8 13.Ne7 Qe7 14.0–0 c5 15.Nf3 Bg4 16.h3 Bf3 17.Bf3 Qe6 18.Qe2 Rac8 19.Rfc1 Rc7 20.Rc2 c4 21.dc4 dc4 22.Rd1 b5 23.Bc3 Ne5 24.Be5 Qe5 25.Rdc1 Rd8 26.Qe1 Rcd7 27.Qc3 Qc3 28.Rc3 Nd5 29.R3c2 Nc7 30.Rc3 Rd3 31.R1c2 Rd2 32.Rd2 Rd2 33.Kf1 Nd5 34.Bd5 Rd5 35.Ke2 f5 36.f4 Kf7 37.g4 Kf6 38.Kf3 g6 39.Ke2 h6 40.Kf3 Rd1 41.Kg2 Ke6 42.Kf3 Rb1 43.Rc2 Rb3 44.Ra2 Kd5 45.gf5 gf5 46.Rd2 Rd3 47.Ra2 c3 48.a4 Kc4 49.ab5 ab5 50.Ke2 Rd6 0–1. Deutekom – Tuijp, Haarlem 1994.

5.Be2 h6 6.0–0 Ngf6 7.b5 Be7 (7...Bd6 8.Nd4=) 8.c4 (8.Nd4=) 8...c6 (8...dc4 9.Bc4 0–0 10.Nd4=+) 9.bc6 bc6 10.cd5 cd5= 11.Nd4 Bh7 12.Qa4 Qb6 13.Nb3 0–0 14.Bd4 Qd8 15.Bf6 Bf6 16.d4= Nb6 17.Qa5 Be7 18.N1d2 Nd7 19.Qa6 Qb6 20.Rfc1 Qa6 21.Ba6 Ba3 22.Rc7+= Nb6 23.Nc5 Bb2 24.Rf1 e5 25.Nf3 ed4 26.Nd4+/– Bd4 27.ed4 Bf5 28.Re1 Rfe8 29.Ree7 Re7+= 30.Re7 Kf8 31.Re5 g6 32.Kf1 Re8 33.Re8+= Ke8 34.Ke2 Ke7 35.Kd2 Bb1 36.a3 Ba2 37.Kc3 Bc4 38.Kb4 Ba6 39.Na6 Kd6 40.Nc5 Nc4 41.a4 Kc6 42.Nd3 a5 43.Kc3 g5 44.f4 f6 45.fg5 fg5 46.Ne5 Ne5 47.de5 Kc5 48.g4 d4 49.Kd3 Kd5 50.e6 Ke6 51.Kd4 Kd6 52.h3 Ke6 53.Kc5 Ke5 54.Kb5 Kf4 55.Ka5 Kg3 56.Kb4 Kh3 57.a5 Kg4 58.a6 h5 59.a7 h4 60.a8Q h3 61.Kc4 Kg3 62.Qh1 g4 63.Kd3 Kf2 64.Qh2 Kf3+– 65.Kd2 g3 66.Qh3 Kf2 67.Qh4 Kf1 68.Ke3 Kg2 69.Ke2 Kg1 70.Qg3 (70…Kh1 71.Qg5 Kh2 72.Kf3 Kh3 73.Qg3#; 70.Kf3 g2 71.Qf2 Kh2 72.Qg2#) 1–0. Maksimov,Alexey – Sadykov,Iskander, RUS–ch U16 Kazan, 1997.

5.a3!?=.

5.b5 c6 6.c4 dc4 7.Bc4 Ne7 8.Qb3 Nd5 9.d3 Nd7= 10.e4 Bb4 11.Nbd2 Bd2 12.Nd2 Nc5? 13.Qa3+– Nf4 14.Qc5 Ng2 15.Kd1 Bg4 (16.f3 a6 17.fg4 ab5 18.Be6 Qd3 19.Qh5 g6+–; 15...Bg6 16.bc6 b6 17.Qd4+–). ludger – alwayslosing (1835), net–chess.com, 2005.

5.b5 Bd6 6.Be2 Nh6 7.0–0 Nd7 8.a4 Nc5 9.d4+= Ne4 10.Nbd2 Nd2 11.Qd2 Bg4 12.Ba3 Ba3 13.Ra3 Qd6 14.Raa1 0–0–0 15.c4 dc4 16.Rfc1 e5 17.Rc4 e4 18.Ne1 Be2 19.Qe2 f5 20.Rac1 Rd7 21.f4 ef3 22.Nf3+/– Ng4 23.Ne5 Re8?? 24.Nd7?? Qh2 (25.Kf1 Qh1#) 0–1. tanto – laxstar (1605), net–chess.com, 2002.

5.d4 Bb4=+ 6.c3 Bd6 7.Nbd2 (7.Nh4 Be4=+) 7...Ne7 8.Nh4 Bg6 (8...0–0 9.Nf5 Nf5 10.Bd3=+) 9.Ng6 hg6 10.Qg4 (10.c4 c6=+ (Worse is 10...Bh2 11.Nf3–/+; Worse is 10...Rh2 11.Rh2 Bh2 12.Nf3–/+)) 10...f5 11.Qg5?? (Better is 11.Qd1=+) 11...Rh5–+ (11...Rh2 12.Rh2 Bh2 13.g3–/+) 12.Qh5 (12.h4 Nd7–+) 12...gh5 13.Be2 g6 14.h3 (14.0–0 c5–+) 14...Nec6 (14...c5 15.dc5 Bc5 16.0–0–+) 15.g4 Qe7 16.gh5 Nd7 17.hg6 0–0–0 18.h4 Na5 19.h5 Qg5 20.Nf3 Qg2 21.0–0–0 Qf2 22.h6 Qe3 23.Nd2 Qe2 24.h7 Nb3 25.ab3 Nb6?? 26.g7+– e5 27.h8Q ed4 28.Qd8!! Kd8 29.g8Q Kd7 30.Rh7 Kc6 31.Qe8 Kc5 32.b4 1–0. kamera (1610) – NN, GameColony.com, 2002.

5.Nd4 Bb4 6.Nf5 ef5 7.c3 Bd6 8.Qb3 Nd7 9.Qd5 Ne7 10.Qc4 Ne5 11.Qb3 N7c6 12.d4 Nf7 13.Qb7 Nd4?? 14.cd4 0–0 15.Bc3 Qe7 16.Bc4 f4 17.e4 f3 18.gf3 Kh8 19.Nd2 Rab8 20.Qa7 Ng5 21.Be2 f5 22.e5 Bb4 23.Bb4 Qb4 24.Rb1 Qd2+– 25.Kd2 Ra8 26.Qc7 Ra2 27.Ke1 Ne6 28.Qe7 Ra6 29.Ba6 1–0. marus – omon, internet, 2001.

(--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6).

5.a3 Nbd7 6.c4 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 Nbd7 6.a3).

5.a3 Nf6 =.

5.b5 Nd7 6.a4 Ngf6 7.Be2 Be7 8.0–0 0–0 9.a5 Bd6 10.a6 ba6= 11.Ra6 Nc5 12.Ra2+= Bg4 13.Nd4 Be2 14.Qe2 Nfd7 15.Nc6 Qh4 16.f4 g5 17.c4 gf4 18.ef4 Bf4 19.g3 Bg3 20.Qg2 dc4 21.hg3 Qg5 22.Na3 c3 23.Bc3 f5 24.Nc4 Ne4 25.Bb4 Rfe8 26.d3 Ng3 27.Rf3 f4 28.Be1 Qc5 29.Bf2 1–0. pcmvr (2225) – redrook (2440), net–chess.com, 2006.

5.b5 Nf6 6.Be2 =.

5.c4 dc4 6.Bc4 Nf6 7.Qb3 Bd6 8.Nc3 0–0 9.Ne2 Nc6 10.a3 Qe7 11.d4 e5 12.d5 Nb8 13.Ng3 Bh7 14.0–0 Nbd7 15.Rfd1 a5 16.Bc3 a4 17.Qb2 Ne4 18.Bd3 f5 19.Be4 fe4 20.Nd2 Qh4 21.Nc4 Rae8 22.Be1 Rf7 23.Rac1 Nf6 24.Rd2 Qg5 25.Qc2 h5 26.Nd6 cd6 27.Qa4 h4 28.Nf1 Bf5 29.Rdc2 Bh3 30.g3 Qf5 31.Nd2 Ref8 32.b5 Bg4 33.Rc7 Rc7 34.Rc7 Bf3 35.Qc4 hg3 36.fg3 Ng4 37.Nf1 Nh6 38.Qc2 Bg4 39.Bf2?? Bh3 40.Nd2 Ng4 41.Ne4–+ Nf2 42.Nf2 Qf3 (43.Rg7 Kg7 44.Qc7 Kh8 45.Qh7 Kh7 46.Nh3 Qf1#) 0–1. Labahn,Wolfgang – Gromsch,Norbert, Schleswig Holstein–ch qaul, 1998. Even known as "Konik,Michael (1960) – Garski,Rudolf (1870), Ch SWH (b) GER, 1998". What's truth? /MT.

5.c4 dc4 6.Bc4 Nf6 7.Qb3 Nbd7 8.Nd4 Bg6 9.0–0 c6 10.f4 Nb6 11.f5 ef5 12.Bd3 Nbd5 13.Bf5 Bf5 14.Nf5 g6 15.Ng3 Be7 16.e4 Nb4 17.Rf6 Bf6 18.Qb4 Bb2 19.Qb2 Qb6 20.Qb6 ab6 21.Kf2 b5 22.Ne2 Ke7 23.d4 Ra5 24.Nd2 b6 25.Nc1 Rc8 26.Nd3 Ra3 27.Nb4 Kd6 28.Nf3 f6 29.Rc1 c5 30.e5 fe5 31.de5 Ke7 32.Nd5 Ke6 33.Nb6 Ra2 34.Kg3 Rb8 35.Rc5 Rb6 36.Nd4 Ke7 37.Rb5 Rb5 38.Nb5 Ke6 39.Nd4 Ke5 40.Nf3 Kf6 41.h4 Ra3 42.Kg4 Ra4 43.Kh3 Kf5 44.g3 Ke4 45.Ne1 Ra2 46.Ng2 g5 47.hg5 hg5 48.g4 Kf3 49.Ne1 Ke2 50.Ng2 Ra3 0–1. Arno de Visser – P Jansen, Sas van Gent 1992.

5.c4 dc4 6.Bc4 Nf6 7.Nd4 =.

5.c4 c6 6.a3 Nf6 7.d4 Nbd7 8.Nc3 Bd6 9.c5 Bc7 10.b5 Ba5 11.Nd2 e5 12.Be2 Qe7 13.0–0 0–0 14.Nb3 Bc7 15.Re1 Ne4 16.g3 Qf6 17.Bf3 Nf2?? (Better is 17...Nc3 18.Bc3 e4=+ (< 18...cb5 19.Bd5 Rab8 20.a4+=)) 18.Kf2+– e4 19.Be2 h5 20.Kg1 h4 21.g4 Qg5 22.Bc1 h3 23.Kh1 Be6 24.Rg1 f5 25.gf5 Qf5 26.Rf1 Qg5 27.Rg1 Qh4?? 28.Nd2 Rf2 29.Nf1 Raf8?? 30.Qe1 Bh2?? 31.Nh2+– Rh2 32.Kh2 Rf2 33.Kh1 Nf6 34.Nd1 Ng4 35.Bg4 Bg4 36.Qf2 (36...Bf3 37.Kh2 Qf2 38.Nf2 cb5 39.Nh3+–) 1–0. Wilk,Adam – Kozaczuk,Witold (2005), Poland–chT region, 1999.

5.c4 c6 6.a4 Nf6 7.b5 a5 8.Be2 Be7 9.Nc3 0–0 10.Qb3 Nbd7 11.d4 dc4 12.Bc4 Nb6 13.Be2 Nbd5 14.Nd5 Nd5 15.0–0 Rc8 16.Rfc1 Nb4 17.bc6 Rc6 18.Rc6 bc6 19.Rc1 Be4 20.Nd2 Bd5 21.Qd1 f5 22.Ba3 Bd6 23.Bf3 Qd7 24.Nc4 Bc7 25.g3 Rb8 26.Ne5 Be5 27.de5 Qb7 28.Bd5 cd5 29.Rc5 Qa6 30.Kg2 Nd3 31.Rc3 Ne5 32.Qd4 Rb1 33.Bc1 Nc4 34.g4 fg4 35.Qg4 Qd6 36.e4 Kh7 37.Bh6 gh6 38.Rg3 Qf8 39.ed5 ed5?? 40.Qd7 Kh8= 41.Qd5 Rb4 42.Qd4 Kh7 43.Qe4 Kh8 44.Qd4 ½–½. Broca,Alexandre (2120) – Schetchikov,Vladimir (2315), Paris op, 1998.

5.c4 c6 6.Qb3 Nf6 7.d4 (7.Nd4 Be4=) 7...Be7 8.Nc3 0–0 9.Be2 Nbd7 (9...dc4 10.Qc4 b5 11.Qb3=+) 10.0–0 Ne4 (10...dc4 11.Qc4 Nb6 12.Qb3=) 11.a4 Nc3 12.Bc3 dc4 13.Bc4 Nb6 14.Be2 Qd5 15.Qb2 Nc4 16.Qa2 Nd6 17.Nd2 Qa2 18.Ra2 Ne4 19.Ne4 Be4 20.Rb2 Rfd8 21.Rc1 Rd7 22.f3 Bh7 23.Kf2 Rad8 24.Rd2 e5 25.Rcd1 ed4 26.Rd4 Rd4 27.Rd4 Rd4 28.ed4 Bc2 29.a5 Bb3 30.b5 Bd5 31.bc6 bc6 32.a6 Bd6 33.g3 Kf8 34.Bd3 g6 35.Ba5 Ke8 36.Bb6?? Bb8?? 37.Bc5+= Kd7 38.h4 h5 39.g4 Ke6 40.Ke3 Kd7 41.gh5 gh5 42.f4 Ke6 43.Bf1 Kf5 44.Bh3 Kf6 45.Bd7 Bg2 46.Bc8 Bd5 47.Kd3 Bg2 48.Kc4 Bd5 49.Kb4 Bg2 50.Bd7 Bd5 51.f5 Be4 52.Bf8 Bc7 53.Kc4 Bf3 54.Kc5 Bb6 55.Kd6 Bd4 56.Be7 Kg7 57.Bc6 Be2 58.Bb7 Be3 59.Bc8 Bc4 60.Kc6 Be2 61.Kd5 Bf2 62.Ke5 Bg3 63.Ke4 Bb8 64.f6+/– Kg8 65.Bc5 Bd1 66.Kd3 Bf3 67.Bf5 Bc6 68.Kc4 Bf3 69.Bd3 Bg2 70.Be2 Bh3 71.Kb5 Bd7 72.Kb4 Bf5 73.Kc4 Bh3 74.Bd3 Bg4 75.Kd4 Bf3 76.Ke3 Bd5 77.Be2 Be5 78.Bh5 Bc4 (Better is 78...Bf6!? 79.Ba7 Bc4+/–) 1–0. Fahrner,Kurt (2330) – Benesch,Heribert (2060), St Veit op, 1995.

5.c4 c6 6.cd5 ed5 7.b5 Nf6 =.

5.c4 Nf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 h6).

5.Nd4 Ne7 =.

5.Nd4 Bg6 6.c4 dc4 7.Bc4 Qg5 8.Qf3 c6 9.a3 Nf6 10.Nc3 Be7 11.h4 Qh5 12.Qg3 0–0 13.Be2 Qe2 14.Nce2 Bd3 15.Qc7 Nbd7 16.Qb7 1–0. marus2 – queen2bee, internet, 2001.

5.Nd4 Bh7 6.a3 Qf6 7.c4 c5 8.bc5 Bc5 9.cd5 ed5 10.Qb3 Qb6 11.Bb5 Nc6 12.Nc6 bc6 13.Bg7 cb5 14.Bh8 Ne7 15.d4 Bd6 16.Nc3 Kd7 17.Be5 Bd3 18.Nd5 Qa5 19.Kd1 Bc4 20.Qc3 Qa4 21.Kd2 Nd5 0–1. marus1 – Crapablanca5, internet, 2001.

5.b5 c5 6.d3 Qa5 7.Nd2 Nbd7 8.c4 dc4 9.dc4 0–0–0 10.Ngf3 Ne4 11.Qb3 Nb6 12.Rd1 Na4 13.Ba1 Nac3 14.Bc3 Nc3 (14...Qc3?! 15.Qc3 Nc3 16.Rc1 Na2 17.Ra1=+) 15.Ra1 Be7 16.b6 ab6 17.Kf2 Bf6 18.Re1 h5 19.a3 e5 20.e4=+ Bg4 21.Qc2 Bf3 22.Nf3 Rhe8 23.f5 Qa3 24.Be2 Kc7 25.Ra1 Qb4 26.Rhc1 Ne2 27.Qe2 g6 28.fg6 fg6 29.Kg1 Qb3= 30.Qe1 Qd3 31.Rc3 Qd6 32.Rc2 g5 33.Rd2 Qe6 34.Rd5 Qe7 35.Nd2 g4 36.Nf1 Rd5 37.cd5 c4 38.Ne3 Qc5 39.Kh1 Bg5 40.d6 Kd6 41.Nd5 Rf8 42.Rd1 Kc6 43.Rb1 b5 44.Qa5=+ Bd8 45.Qa1 Bc7 46.Nb4 Kd7–+ 47.Nd5 h4 0–1. orane – first, Live Game Caissa's Web, 2004.

5.b5 c5 6.d3 Be7 7.Qd2 Qb6 8.a4 a6 9.Na3 a5 10.Be2 0–0 11.Nf3 c4 12.Bf6 Bf6? 13.d4 Nd7 14.c3 Be7 15.Bd1 f6 16.Nh4 Bd3 17.Bc2 Bc2 18.Nc2 g5 19.Nf3 gf4 20.ef4 Kf7 21.0–0 Rg8 22.Rae1 Rg7 23.Qe2 Rag8 24.Rf2 Nf8 25.f5 Qd6 26.Ne5 Ke8 1–0. Zimmermann – Wartig, corr DDR–I–562.

5.b5 c5 6.Nf3 Bd6 7.Be2 Nbd7 8.0–0 0–0 9.Na3 c4 10.Nd4 Qa5 11.Nb1 h6 12.Nf5 ef5 1–0. Cottarelli – Kalinovsky, 1974.

5.b5 c5 6.Nf3 Nbd7 (--> 3.e3 Nd7 4.f4 e6 5.Nf3 Ngf6 6.b5 c5).

5.Nf3 Bd6 6.a3 Nbd7 7.Be2 Qe7 8.Nh4 Bg6 9.Ng6 hg6 10.c4 Ne4 11.0–0 Qh4 12.h3 g5 13.Bg7 Rg8 14.Bb2 gf4 15.Bg4 0–0–0 16.cd5 f5 17.de6 fg4 18.ed7 Rd7 19.Qb3 Re8 20.ef4 gh3 21.Qh3 Qh3 22.gh3 Rg8 23.Kh2 Rf7 24.Bd4 Bf4 25.Rf4 Rf4 26.Nc3 Nd2 27.Nd5 Nf3 28.Kh1 Re8 29.Nf4 Re4 30.Ba7 Rf4 31.Kg2 1–0. Bonetti,Shane – dazza (1660), ICC, 2002.

6.c3 Be7 7.Be2 Nbd7 8.0–0 0–0 9.Na3 c5 10.c4 Ne4?! 11.d3 Nd6 12.Ne5 Ne5? 13.fe5 Ne8 14.cd5! Bg5 15.e4 Bg6 16.Qb3 ed5 17.ed5 Nc7 18.Bf3–+ Rb8 19.Rae1 Re8 20.Be4 Be4 21.de4 b5 22.Qf3 Qd7 23.Qh5 Bh6 24.Rf3 Rb6 25.Ref1 Rf8 26.e6 Ne6 27.de6 Qe6 28.Qc5 Rb7 29.Qd5 Qe7 30.Rd1 a6 31.Be5 Rc8 32.Rfd3 Bg5 33.Bd6 Qd7 34.Qg5 1–0. Schiffler – Plath, 1950.

6.c3 Be7 7.Be2 Bg4 8.0–0 0–0 9.c4 c6 10.Nc3 Ne4 11.Ne4 de4 12.Nd4 Be2 13.Qe2 c5 14.Nb3 f5 15.Rfb1 b6 16.a4 Nc6 17.a5 Nb4 18.ab6 ab6 19.Ra8 Qa8 20.Ra1 Qb7 21.Bc3 Nd3 22.g3 Ra8 23.Qd1 Ra6 24.Qc2 Qa8 25.Ra6 Qa6 26.Ba1 Nb4 27.Qc1 Qa2 28.Qb2 Bf6 (Better is 28...Qb2!? 29.Bb2 Nd3–+) 29.Qa2–/+ Na2 30.Bf6 gf6 31.h4 h5 32.Kf1 Nb4 33.Na1 Nd3 34.Nc2 Nb2 35.Na3 Kf7 36.Kf2 e5 37.Ke1 ef4 38.ef4 Ke6 39.Kf1 Kd7 40.Ke2 Kc6 41.Ke3 Nd3 42.Nc2 b5 (Better is 42...Nb4!? 43.Na3 Kd7–/+) 43.cb5=+ Kb5 44.Ke2 c4 (Better is 44...Nc1!? 45.Kd1 Nb3=+) 45.Nd4+= Kb4 46.Nf5 c3? (Better is 46...Kc5+/–) 47.dc3+– Kc3 48.Ke3 Nc5 49.Ng7 (49...Kc4 50.Nh5+–) 1–0. Bonetti,Shane – Baraka (1750), ICC, 2002.

6.Nc3 0–0 7.Be2 Ne4 8.Ne4 1–0. Bonetti,Shane – Baraka (1750), ICC, 2002.

6.Nc3 Nbd7 7.Ne2 Ng4 8.c3 Be7 9.h3 Nc5 10.Ng3 Bh4 11.Nh4 (11.hg4 Bg3 12.Ke2 Bd3#) 11...Qh4 12.Qf3 Ne3 13.Qf2 Nf1 (14.Kf1 Nd3 15.Qe3 Qf4) 0–1. Capablanca – Kevitz, Brooklyn (simultan) 1924.

6.Nc3 Bg4 7.h3 Bf3 8.Qf3 0–0 9.0–0–0 c6 10.Nb1 Nbd7 11.g4 Qa5 12.a3 Be7 13.Bg2 Ne4 14.d3 Nec5 15.h4 Bf6 16.d4 Na4 17.Ba1 Be7 18.Rd3 c5 19.Rb3 b5 20.Nc3 c4 21.Rb5 Qa6 22.Rb1 Rfb8 23.Rb8 Rb8 (23...Nb8?! 24.e4 Ba3 25.Kd2 Nc3 26.Bc3=) 24.Nb1 Qb6 25.Nc3 Nc3 26.Bc3 Ba3 27.Kd1 Nf6 28.Qg3 Ne4 29.Be4 de4 30.Qg2 Qc6 31.h5 Rb1 32.Kd2 Rh1 33.Qh1 Qd5 34.Qa1 Bc5 (Better is 34...Qd6!?=+) 35.Qa4= h6 36.Qe8 (36...Kh7 37.Qf7+/–) 1–0. Bonetti,Shane – Baraka (1750), ICC, 2002.

4.Nc3 e5 5.Qf3 Be6 6.b5 Nh6 7.Nge2 (Better is 7.Qh5 Bf7 8.Qf3=+) 7...Bd6?? (7...e4 8.Ne4 de4 9.Qe4–/+) 8.Qg3 (Better is 8.Nd5 c6 9.bc6 bc6 10.Ndc3+=) 8...0–0 9.f4 e4 10.Nd4= Bf7 11.f5?? c5 12.Qf2 cd4 13.ed4 Qd7 14.h3 Nf5 15.0–0–0 a6 16.g4 Ne7 17.h4 ab5 18.Bb5 Nbc6 19.a4 Qc7 20.g5 fg5 21.hg5 Bg6 22.d3 Rf2 23.de4 de4 24.Bc4 Kh8 25.Bd5 Nb4 26.Be4 Be4 27.Rd2 Rd2 28.Kd2 Nc2 29.g6 Bg6 30.d5 Bb4 31.Rh3 Nd5 32.Ke2 Re8 33.Kf3 Qf4 0–1. revbodio1 – bright, Live Game Caissa's Web, 2004.

4.c4 c6 5.Nc3 (5.cd5 Qd5 6.Nc3 Qd6=) 5...e5 6.Qb3 Be6 (6...d4 7.ed4 ed4 8.Nce2=) 7.cd5 cd5 8.Bb5 Nc6 9.e4 (9.Nf3 a6 10.Bc6 bc6=) 9...Nge7=+ 10.Rc1 Qd6 11.Qa4 g6 12.Nf3 Kf7 13.ed5 Nd5 14.Bc6 bc6=+ 15.a3 Bd7 16.Ne4+= Qe7 17.Qb3 Bh6 18.0–0+= Kg7 19.Rfe1 Nf4?? 20.Nf6!+– Be6 21.Re5 Kf7 22.Rce1 Rhd8 23.Re6! (23…Ne6 24.Ne5 Kf8 25.Nc6+–; < 23.Nh7 Bb3 24.Re7 Kg8 25.Nf6 Kf8+–) 1–0. Diener,Rudolf – Petzold, corr (year?).

4.c4= e5 5.cd5 Bb4?? 6.Qb3?? Bd6= 7.d4 Nd7 8.de5 Be5 9.f3 Bb2 10.Qb2= Ne7 11.e4+= Bg6 12.Nc3 0–0 13.Qb7+/– Rb8 14.Qa6 Rb2 15.Bc4 Re8?? 16.d6+– Kh8 17.de7 Qe7 18.Nge2 Ne5 19.Bb3 Nd3 20.Qd3 Rd8 21.Qe3 Rdd2 22.Qd2 Rd2 23.Kd2 Qd6 24.Ke1 h6 25.Rd1 Qb4 26.Kf2 Kh7 27.Rhe1 c5 28.Kg1 c4 29.Rd4 Qc5 30.Bc4 a5 31.Red1 h5 32.Bb3 h4 33.h3 f5 34.ef5 Bf5 35.Kh2 Bc8 36.Kh1 Qc7 37.Rh4 Kg6 (38.Nf4 Kf5 39.Rd5 Qe5 40.Bc2 Kf6 41.Ne4 Qe4 42.fe4 Kf7 43.Ra5 Ke7+–). toll (1620) – Nostrademous (1655), ICC, 2003.

4.d3 e5 5.Be2 Bb4–/+ 6.c3 Ba5 7.d4 ed4 8.ed4 Nd7 9.Nf3 Ne7 10.0–0 0–0 11.Nbd2 Re8 12.Nb3 Bb6 13.Nh4 Bg6 14.Bd3 Bd3–/+ 15.Qd3 f5 16.Nf5= Nf5 17.Qf5 Nf6 18.Rae1 Rf8 19.Qc2 Ne4 20.Re4 de4–/+ 21.Qe4 Qf6 22.Qb7=+ Rae8 23.c4?? Re2 24.Qd5–+ Kh8 25.Rb1 Qf2 26.Kh1 Qf1!! (27.Rf1 Rf1) 0–1. rla – milanista, internet, 2007.

4.d4 Nd7 5.Nf3 e5 6.de5 Qe7 7.Qd5 Qb4 8.Bc3 Qb6?? (Better is 8...c6 9.Qd1 Qe7+/–) 9.ef6+– Nh6 (9...Be6 10.fg7 Bg7 11.Qe6 (< 11.Bg7 Bd5 12.Bh8 Ngf6=+) 11...Qe6 12.Bg7+–) 10.Nd4 (Better is 10.fg7 Rg8 11.gf8N Kf8 12.Nbd2+–) 10...c6 11.Qf3 Bg4 (11...Ne5 12.Qf4 Ng6 13.f7 Kf7 14.Bc4 Ke8+–) 12.Qe4 Kd8 13.h3 (13.fg7 Bg7 14.Ne6 Be6 15.Bg7 Rg8 16.Qh4 Kc8 17.Qh6 Qb4 18.Nd2 Qe7+–) 13...Bh5?? (13...Nf6 14.Ne6 Be6 15.Qe6 Bb4+/–) 14.Ne6 Kc8 15.fg7 Bg6 (15...Bg7 16.Ng7 Bg6+–) 16.Qg6! hg6 17.gh8Q (17...Nf7 18.Qg8+–; 17.gh8N?! Bb4 18.Bd3 Bc3 19.Nc3 Qa5+/–; 17.Nf8?! Rf8 18.gf8R Nf8+/–; 17.gf8B?! Nf8 18.Bc4 Rg8+/–; 17.gf8R?! Nf8 18.Bc4 c5 19.Bh8 Ne6+/–; 17.gf8Q?! Nf8 18.Bc4 Rg8+–; 17.gf8N?! Nf8 18.Bc4 Rg8+–) 1–0. Eisenhauer,Erik – Lahr,Torsten, RH–op Ingelheim, 1998.

4.d4 e5 5.de5 Bb4 6.Nd2 Nd7 7.Ngf3 Qe7 8.c3 Bc5 9.Nb3 fe5 10.Qd5 c6 11.Qd1 Bd6 12.Nfd2 Nb6 13.e4 Be6 14.a4 Nf6 15.Qc2 Qf7 16.c4 Ng4–/+ (17.Nf3 Nc4 18.Bc4 Bc4–/+) 0–1. Sternik,Ryszard – Kucharkowski,Jens, corr SOK–91–76, 1991.

4.Nf3 e5 5.a3 =+.

4.Nf3 Bg4 5.Be2 Bf3 6.Bf3+= e6 7.c4 Bb4 8.cd5 ed5 9.Nc3 c6= 10.a3 Bc3 11.Bc3= Nd7 12.d4 Qe7 13.0–0 0–0–0 14.Rb1 f5 15.Qb3 Nb6 16.Ba5 Rd7 17.Bb6+– ab6 18.Qb6 Nf6 19.Qa5 Rg8 20.Qa8 Kc7 21.Qb7 Kd6 22.Qb4 Ke6 23.Qc3 g5 24.Be2 Rc7 25.Qc2 Qa3 26.Bd3 f4 27.ef4 gf4 28.Bf5 Kf7 29.Rb6 Qf3+= 30.g3 h5?? 31.Bh3 c5?? 32.Bg2?? Qg4+/– 33.f3?? Qg5 34.dc5 fg3=+ 35.h3 Qe3–/+ 36.Kh1 d4?? 37.Qf5?? Rg6?? 38.h4?? Re7 39.f4= d3 40.Rd6 d2 41.Bd5 Kg7 42.Bg2 Qe1 43.Qc2 Re2–/+ 44.c6?? Rf2 45.Qd1 Rf1 (46.Bf1 g2 47.Kh2 g1Q 48.Kh3 Qeg3#) 0–1. icewater – chesscorner, Live Game Caissa's Web, 2005.

4.g4 Be4 5.f3 Bg6 =.

5.a3 e6 6.Be2 Nf6 7.0–0 Bd6 8.Nc3 e5= 9.d3 e4 10.de4= de4 11.Nd4 Nd4 12.Qd4 Qd7 13.Nd5?? Nd5–+ 14.Qd5?? 0–0 15.Qb7?? Qe6 16.Rad1 Qh6 17.g3 Bh3 18.Rfe1+/– Qe6 19.Qd5 Qe7 20.Qh5 Be6+/– 21.f3 Bd7? 22.f4 g6 23.Qh6 f6+/– 24.Bc4 Kh8 25.Qh4 Qg7 26.g4 Bb5 27.Bd5 Rad8 28.g5 h6 29.Bf6 Rf6 30.gf6 Qh7 31.f7 Rf8 32.Qf6 Qg7 33.Qg7 Kg7 34.c4 Bd7 35.Rf1 Bf5 36.c5 Be7 37.a4 Bf6 (38.Rb1 Rd8+–; 37...Bh3 38.Rf2 Rb8 39.Rd4 Bc5 40.Re4 Rb4 41.Rb4 Bb4 42.Rc2+–). wood – lowbrow2, Live Game Caissa's Web, 2005.

5.a3 Nf6 6.Be2 g6 7.Nh4 Be6 8.0–0 Bg7 9.Nf3 0–0 10.c3 Qd6 11.a4 Rad8 12.d4 Ne4 13.Nbd2 Bf5 14.Nh4 Nd2 15.Nf5 gf5 16.Qd2 e6 17.Ba3 Qd7 18.b5 ab5 19.Bf8 Bf8 20.ab5 Ne7 21.Ra7 b6 22.Rfa1 Nc8 23.Ra8 Nd6 24.Bd3 Be7 25.R8a7 Rc8 26.Qa2 Kg7 27.Qe2 h6 28.R1a6 Qd8 29.Qf3 Bg5 30.Qg3 Kh7 31.h3 Be7 32.Qf3 Qe8 33.Qe2 Bg5 34.Qf1 Be7 35.f3 Bg5 36.Qe2 Kg7 37.g3 Be7 38.Qf1 Bg5 39.f4 Be7 40.Qe2 Bf6 41.Kf2 Be7 42.Qf1 Bf6 43.Ra1 Qd7 44.Qe2 Rb8 45.R7a6 Be7 46.R6a4 Bf6 47.Ra7 Qc8 48.Qf1 Bd8 49.Qd1 Qd7 50.Qc2 Nb5 51.Qa4 Qc6 52.Bb5 Qc3 53.Qd1 c6 54.Qh5 Qc2 55.Be2 Bc7 56.Rc7 Rf8 57.Raa7 1–0. Bonetti,Shane – patologo (1675), ICC, 2002.

5.b5 Nb8 =.

5.a3 b5 6.Be2 c5 7.bc5+/– Bc5?? 8.Bg7+– f6 9.Bh8 Nd7 10.Rg1 Qe7 11.g4 Bg6 12.a4 b4 13.c3 Nh6 14.g5 fg5 15.cb4 Bb4 16.Ng5 e5 17.Qb3 a5 18.Nc3 Bc3 19.dc3 Rb8 20.Qd5 Nf7 21.Nf7 Bf7 22.Bh5! Nf6 23.Qc6 Nd7 24.Rg8 Qf8 25.Bf6 Qg8 26.Qe6 (26...Kf8 27.Qe7#) 1–0. Rosner,Dirk (1930) – Tortoza,Carlos, CiF, 2006.

5.a3 Nd7 6.Be2 Ngf6 7.0–0 h6 8.c4 dc4 9.Bc4 Nb6 10.Be2 Be7 11.d4 0–0 12.Nbd2 Ne4 13.Rc1 c6 14.Nb3 Na4 15.Ba1+= Nb6 16.Ne5 f6 17.Nc4 Nc4 18.Bc4 Nd6 19.Be2 Bg6 20.Bh5 Bh5+= 21.Qh5 Nb5 22.Bb2 Qd5= 23.Qd1 f5 24.a4 Nc7 25.Nc5 Rab8 26.Nd3 Rfd8 27.Bc3 Qd6 28.Qh5+= Nd5 29.Bd2 Rf8 30.f4 Qd8 31.Rf3 Nf6 32.Qh3 Ne4 33.Be1 Qd5 34.Ne5 Rbd8 35.Ng6 Rfe8 36.g4 Kh7 37.Ne7+= Re7 38.Bh4 g5 39.Bg5+/– Ng5 40.fg5 fg4 41.Qh6 Kg8 42.Rf4 g3?? 43.Rcf1 gh2 44.Kh2 Rg7 45.Rh4 (45...Qf5 46.g6 Qe5 47.de5 Rd2 48.Kg3 Rg2 49.Kg2 Rg6 50.Qg6#) 1–0. Margraf,A – Hiller,B, Schwaben, 1991.

5.a3 Nf6 6.Be2 =.

5.c4 dc4 6.Bc4 Nf6 7.a3 =.

5.c4 f6 6.a3 dc4 7.Bc4+= c5 8.bc5+/– Bc5 9.Qb3 Qb6 10.Qb6+/– Bb6 11.Nc3 Ne7 12.0–0 Nd7 13.Nh4 e5 14.Nf5+= Nf5 15.Nd5 Nd6 16.Nb6 Nb6= 17.Ba2 Nf7 18.Rac1 0–0 19.d4 Kh8 20.Bf7 Na4 21.Ba1 Rf7 22.de5 fe5 23.Be5 Nb6 24.Bd4 Nd5 25.Rfd1 Rd7 26.h3 Rad8+/– 27.Re1 Kg8 28.Re2 Ne7 29.Rec2 Nc6 30.Bb2 Rd2 31.f3 h6 32.e4 Rc2 33.Rc2+– Nd4 34.Bd4 Rd4 35.Rb2 b5 36.Rb4 Rd1 37.Kf2 Rd2 38.Kg3 Ra2 39.Rb3 Kf7 40.Rc3 a5 41.f4 b4 42.ab4+– ab4 43.Rc1 Rb2 44.Kf3 b3 45.g4 Rc2= 46.Rb1 Rc3 47.Ke2 Rh3=+ 48.Kd2 Rg3–/+ 49.Ke2 Rg4 50.Kf3 Rh4 51.Kg3 g5 52.Rb3 Rf4–+ 53.Rf3?? Rf3 54.Kf3 Ke6 55.Kg4 Ke5 56.Kf3 h5 57.Kg3 Ke4 58.Kh3 Kf3 59.Kh2 g4 60.Kg1 h4 61.Kf1 h3 62.Kg1 g3 63.Kh1 g2 64.Kg1 h2! 65.Kh2 Kf2 66.Kh3 g1Q (67.Kh4 Qg6 68.Kh3 Qg3#) 0–1. Berner,Stephan – Colloseus,Christian, GER–ch U12 Ueberlingen, 2000.

5.Be2 f6 6.a3 Nc6 7.0–0 h6 8.c4 dc4= 9.Bc4 Bd6 10.Nh4+/– Bh7 11.Be6 Nge7 12.Qh5+– g6 13.Qf3 Rf8 14.d3 g5?? 15.Qh5+– Bg6 16.Ng6 Ng6 17.Qg6 Ke7 18.Bb3 Ne5 19.Qg7 Ke8 20.f4 Qd7 21.Qh6 Nf7 22.Qf6 Be7 23.Qg6 Qd6 24.Bf7 Kd8 25.Qd6 cd6 26.Bd5 Rb8 27.f5 (27...Bf6 28.Bf6 Rf6 29.Nd2+–) 1–0. kiloracer (2175) – mpenga (2260), net–chess.com, 2005.

4.a3 e6 5.e3 a6 (5...Qd6 6.Bb5=) 6.Be2 Nge7 7.0–0 h6 (7...Ng6 8.b5 ab5 9.Bb5=) 8.d3 Qd7 9.Nbd2 0–0–0 10.d4 Ng6 11.b5 ab5 12.Bb5 Kb8 (12...Qd6 13.c4–/+) 13.c4 (13.a4 Ka7–/+) 13...Bd3 14.Re1 Bc4 (14...Be7 15.Rc1–/+) 15.Nc4+– dc4 16.Qa4 Qd5 17.Rab1 Na7 18.Bc4 Qc6 19.Qb3 Be7 20.Red1 Nh4 21.Nh4 Bh4 22.d5 ed5 23.Bd5 Rd5 24.Rd5 Rh7 25.Be5 Nc8 26.Rc5! Bf2 27.Kf2 Qa6 28.Bc7 Ka8 29.Ra5 b6 30.Ra6 Kb7 31.Qd5 Kc7 32.Rc1 Kb8 33.Ra8 1–0. COMP – COMP, 2002.

4.a3 h6 5.e3 e6 6.Bb5 a6 7.Bc6 bc6 8.Nd4 Qd7 9.Nf5 ef5 10.0–0 Ne7 11.d3 Ng6 12.Nd2 Bd6 13.Bg7 Rg8 14.Bd4 Ne5 15.f4 Ng4 16.h3 c5 17.bc5 Bc5 18.Bc5 Qb5 19.Nb3 Nf6 20.Qf3 0–0–0 21.Be7 Rd7 22.Bf6 Rd6 23.Bd4 Rdg6 24.Rf2 a5 25.Qh5 a4 26.Nc5 Kd8 27.Qf5 Qc6 28.Qf7 h5 29.Rb1 Kc8 30.Qf5 Kd8 31.Bf6 Rf6 32.Qh7 Rfg6 33.Rb8 1–0. themonkey (1905) – bussundaal, GameColony.com, 2002.

4.b5 Na5 5.e3 c5 6.d3 Nf6 7.Be2 e6 8.Nh4 Be7 9.Nf5 ef5 10.0–0 0–0 11.a4 d4 12.ed4 cd4 13.Nd2 Bc5 14.Re1 f4 15.Bf3 a6 16.Ne4 Bb4 17.Re2 Rc8 18.Rb1 ab5 19.ab5 Bc3 20.Ba3 Re8 21.Nd6 Re2 22.Qe2 Rc7 23.Nf5 g6 24.Be7 Qd7 25.Nh6 Kg7 26.Bf6 Kf6 27.Ng4 Kg7 28.Qe5 Kf8 29.Nf6 Qe7 30.Qf4 Qd8 31.Qh6 Ke7 32.Nd5 Kd7 33.Qh3 Kd6 34.Qg3 Kd7 35.Qe5 Kc8 36.Nc7 Qc7 37.Qe8 Qd8 38.Qf7 Qh8 39.b6 Kb8 40.Qc7 Ka8 41.Rb5 Qb8 42.Qc3 Qh2 43.Kh2 dc3 44.Ra5 Kb8 45.Rd5 Kc8 46.Bg4 Kb8 47.Rd8 1–0. Bonetti,Shane – Jockel (1950), ICC, 2002.

4.b5 Nb4 5.d3 e6? (Better is 5...d4!? 6.Bd4 Bg4+/–) 6.c3 Qf6 7.a3 d4? (7...Nd3 8.ed3 Bc5+–) 8.cb4 (< 8.ab4 dc3 9.Bc3 Qd8+–) 8...0–0–0 9.Nbd2 Nh6 10.Qa4 Kb8 11.Rc1 Bd6 12.Bd4 e5 13.Qa7 Kc8 14.Bb6 e4 15.Ne4 Be4 16.de4 Bf4 17.Qa8 Kd7 18.Rd1 Ke6 19.Qb7 Qc3 20.Nd2 Bd2 21.Rd2 Qd2 0–1. Hardin – radi8288, Live Game Caissa's Web, 2004.

4.e3 Nb4 5.d4 Nc2 6.Ke2 Na1 7.Ba1 e6 8.Qa4 c6 9.Ne5 Bd6 10.Nc6 Qd7 11.Kf3 Qc6 12.Bb5 Be4 13.Ke2 Ne7 14.Bc6 1–0. Nautiluschess – molskinner, ICS blitz, 2000.

5.Nd4 Bg6 6.e3 e6 7.Be2 h6 8.0–0 Nf6 9.d3 Be7 10.Nd2 0–0 11.N4f3 Bd6 12.Ne5 Be5 13.Be5 Nfd7 14.Bg3 Qe7 15.Rb1 b6 16.a4 Bf5 17.Bc7 Bg6 18.Bg3+– Qe8 19.Bd6 1–0. Fritz 8 – NN, 2003.

5.e3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 b6 9.Bd3 Bd3 10.cd3 e6 11.Qc2 Nf6 12.Bf6 Qf6 13.Qc7 Qd8 14.Qc3 Nd7 15.0–0 Nc5 16.d4 Nd7 17.Qc6 Be7 18.Ne5 Bf6 19.Nd7 Qd7 20.Qb6 0–0 21.Rc1 Bd8 22.Qc6 Qe7 23.b6 Qb4 24.b7 Bf6 25.Qc8 Bg5 26.Qf8! Kf8 27.Rc8 Ke7 28.b8Q Qb8 29.Rb8 Kf6 30.f4 Bh6 31.d3 g6 32.h4 1–0. Marre – tomekbag, zagraj.pl, 2003.

4.a3 c5 5.e3 cb4 6.ab4 a6 7.Be2 Qb6 8.b5 a5 (The passed pawn on a5 will become decisive later) 9.Bd4 Qc7= 10.Ra2 b6 11.0–0 e5=+ 12.Ba1 Bd6 13.h3 Ngf6=+ 14.d3 0–0 15.Nbd2 Rac8 16.c3 h6 17.Nb3 Be6 18.Qb1 Qb8 19.Rc2 Rc7 20.Rfc1 a4 21.Nbd2 Rfc8 22.c4 a3 23.cd5 (The passed pawn on d5 will quickly become a dangerous weapon) 23...Rc2 24.Rc2 Bd5 25.Rc8 Qc8 26.Nc4 Qc7 27.Nd6 Qd6 28.Nd2 Qc5 29.Nc4= Bc4 30.dc4 Qc7 31.Qc2 Qa7 32.f3 Qa8 33.Bd1 e4 34.Qc3 a2 ½–½. Furrer – Grutter, OH, 1992.

4.a3 Ngf6 5.Nh4 Bg4 6.h3 =.

4.Nc3 e6 5.a3 Ngf6 6.Nh4 Bd6 7.Nf5 ef5 8.e3 0–0 9.Qf3 g6 (9...c6!?+=) 10.Nd5+/– Nd5 11.Qd5 Qe7 12.Qb7 f4 13.Ba6 Ne5 14.0–0 (14.ef4 Nd3 15.Kf1 Nb2–/+) 14...f3 15.d4 fg2 (Better is 15...Ng4 16.g3 Nh2+–) 16.Qg2 Nd7 17.c4 Qh4 18.c5 Be7 19.Qc6 Nf6 20.Qc7 Ne4 21.Qf4 Qf4 22.ef4 Nd2 23.Rfd1 Nf3 24.Kg2 Nh4 25.Kh3 Nf5 26.d5 Rfd8 27.Be5 f6 28.Bb7 fe5 29.Ba8 Ra8 30.fe5 Kf7 31.Rac1 h5 32.c6 Bg5 33.Rc4 Ke7 34.d6 Ke6 35.c7 Rc8 36.d7 1–0. Fritz 6 – NN, 2003.

4.d3 e5 5.Ne5 Bb4 6.c3 =+.

4.d3 e6 5.b5 c5 6.bc6 bc6 7.Nbd2 c5 8.e4= Bg6 9.ed5 ed5 10.Be2 Bf5 11.0–0 Ngf6 12.Re1 Be7 13.h3 0–0 14.Rb1 Qc7 15.Nh4 Be6=+ 16.Bg4?? Ng4–+ 17.hg4 Bh4 18.Nf3 Bg4 19.Qd2 Bf3 20.gf3 Rae8 21.Kh1 Ne5 22.Qf4 Bf6 23.Qg3 Qd6 24.d4 Nc4 25.Qd6 Nd6 26.Ba3 Bd4 27.c3 Bf2 28.Rf1 Re2 29.Rf2 Rf2 30.Bc5 Rf3 31.Bd6 Re8 32.Kg2 Rc3 33.Be5 Rc2 34.Kf3 Ra2 35.Kf4 g5! 36.Kf5 Rf2 37.Kg4 Re5 38.Rb8 Kg7 39.Rb4 Re4 40.Kh5 Rh2 41.Kg5 Rb4 42.Kf5 Re4 43.Kg5 Rf2 44.Kh5 Rf5# 0–1. Klawonn,Markus – Hinzpeter,Simone, JBLN West, 1993.

4.d3 Ngf6 5.e3 e6 6.a3 Bd6 7.g3 Rc8 8.d4 a6 9.Nbd2 b5 10.Nb3 0–0 11.Bd3 Be4 12.0–0 Bd3 13.Qd3 Ne4 14.Na5 Nb6 15.Nc6 Qf6 16.Nfe5 Be5 17.Ne5 Qe7 18.f3 Nd6 19.e4 Ndc4 20.Nc4 Nc4 21.Bc1 c6 22.e5 f6 23.f4 fe5 24.fe5 Rf1 25.Qf1 Qf7 26.Qf7 Kf7 27.Bf4 Rf8 28.Rf1 Kg8 29.Bc1 Rf1 30.Kf1 h6 31.Kf2 Kf7 32.Kf3 g5 33.h4 gh4 34.gh4 h5 35.Kf4 Kg6 36.c3 Nb6 37.Be3 ½–½. R Gomes – H Silva, 1994.

4.d4 h6 5.e3 Bg4 6.Nbd2 Bf3 7.Nf3 Ngf6 8.a3 e6 9.Bd3 c6 10.0–0 Bd6 11.Re1 0–0 12.h3 a6 13.Nd2 Qc7 14.e4 de4 15.Ne4 Ne4 16.Be4 Rfe8 17.Qg4 (17.Qf3!?=) 17...Nf6 (Better is 17...f5!? 18.Bf5 ef5 19.Qf5 Rf8 20.Qe6 Kh8–+) 18.Qf3= Ne4 19.Re4 f5 20.Ree1 Qf7 21.c4 Rac8 22.Re2 Bf8 23.Rae1 Rc7 24.Bc1 b6? 25.Qg3 g6 26.Bf4 Rcc8 27.Be5 Bg7 28.Qe3 h5 29.f4 a5 30.g3 ab4 31.ab4 Be5 32.de5 b5 33.c5 Re7 34.Rd2 Rec7 35.Red1 Kg7 36.Rd6 Re8 37.R1d3 Qe7 38.Qd2 Qf8 39.Rd7 Rd7 40.Rd7 Kg8 41.Qd6 Qd6 42.Rd6 Kf7 43.Rc6 Rd8 44.Rd6 Rd6?? 45.cd6 Ke8 46.Kf2 Kd7 47.Ke3 Kc6 48.Kd4 h4 49.Ke3 hg3 50.Kf3 g2 51.Kg2 g5 52.fg5 1–0. badboy1221 – Daffodil, Live Game Caissa's Web, 2004.

4.e3 (--> 3.e3 Nd7 4.Nf3).

4.Nh4 Bg4 5.h3 Bh5 6.g4 e5 7.Nf3 e4 8.Ne5 Ne5 9.Be5 Bg6 10.e3 Nf6 11.c4 Bb4 12.Qa4=+ Nd7 13.Bg7 Rg8 14.Qb4 Rg7 15.cd5 Nb6 16.Bb5+/– Nd7 17.Nc3 Qe7 18.Bd7 Qd7 19.Qb7 Rd8 20.Nb5 f5 21.d6 cd6+/– 22.Qd5 fg4 23.Rc1 Re7?? (better is 23...gh3 24.Rc7 Qc7 25.Nc7 Rc7+=) 1–0. Hovorka – Bennet, Quad Racine Chess Cl, 1988.

5.Nb5 c6 6.Nbd4 Bg6 7.Nh4 e5 8.Ng6 hg6 (8...fg6?! 9.Ne6 Qb6 10.a3=) 9.Nf3 e4 10.Ne5 Bb4 11.Rb1 e3! 12.fe3 Ne4 13.Nf3 Bd6 14.d3 (14.Rg1 Qc7 15.g3 Rh2–+) 14...Bb4 (Better is 14...Qa5 15.c3 Rh2 16.de4 Rh1 17.ed5 Bg3 18.Kd2 Qd5 19.Kc2 Qa2 20.Qd4–+) 15.c3 Bc3 (15...Nc3?! 16.Bc3 Bc3 17.Kf2–+) 16.Bc3 Nc3 17.Qb3 Nb1 18.Qb1 Qb6 19.Qa1 Qe3 20.Qg7 0–0–0 21.Qd4 Qd4 22.Nd4 Ne5 23.Kd2 c5 24.Nc2 d4 25.g3 c4 26.h4 c3 27.Ke1 Kc7 28.Bg2 Rhe8 29.Kd1 Re6 30.Rf1 b5 31.Rf4 Red6 32.Re4 f6 33.g4 Nc6 34.Na3 Kb6 35.g5 f5 36.Rf4 Ne7 37.Nc2 Kc5 38.a3 a5 39.h5 gh5 40.Bf3 b4 41.ab4 ab4 42.Na1 Kb5 43.Bh5 Nd5 44.Rf5 Ka4 45.Rf7 b3 46.Ra7 Kb4 47.Rb7 Rb6 48.Rb6 Nb6 49.Bf7 Nd5 50.g6 Ne3 51.Kc1 Rh8 52.Bd5 Nd5 53.Nb3 Rh1 (54.Kc2 Ne3) 0–1. Vajnik,Eduard (2100) – Mazziotti Irigoyen,Gabriel (2135), Club Argentino–ch Superior, 2001.

5.g3 e5 6.d3 Bb4 7.Bg2 d4 8.0–0 dc3 9.Bc1 Bd6 10.Nh4 Be6 11.Rb1 Bd5 12.f3 0–0 13.Be3 Ba2 14.Rb7 Nb6 15.f4 Bd5 16.fe5 Be5 17.Bd5 Nfd5 18.Bf4 Re8 19.e4 Nf6 20.Nf5 Nc8 21.Qc1 Nd7 22.Be3 Nd6 23.Rb4 Nf5 24.Rf5 Re6 25.d4 g6 26.Rf2 Bg7 27.d5 Re8 28.Bg5 f6 29.Be3 Qe7 30.Qa3 a5 31.Qb3 Qb4 32.d6 Qb3 33.cb3 cd6 0–1. Smalec,J – Key_Smith,G, Plymouth, 1984.

4.a3 c5 5.bc5 Bc5?? 6.Bg7+– Qb6 7.e3 f6 8.Nc3 (8...Qd6 9.Bh8+–) 1–0. pcmvr (2225) – tirpitz (2085), net–chess.com, 2006.

4.a3 c6 5.Nc3 Nf6 6.e3 Na6 (Better is 6...Bd6!?=) 7.Ba6–/+ ba6 8.Nd4 Qc7 9.Nf5 ef5 10.Ne2 a5 11.Bf6 gf6 12.c3 Bg7 (12...ab4 13.ab4 Rg8 14.0–0+–) 13.Nd4 Rg8 14.Qa4 Rc8 15.Nf5 h5 16.0–0 h4 17.Nh4 Rh8 18.b5 Rh4 19.Qh4 Ke7 20.bc6 Rh8 21.Qg3 Qc6 22.Qg7 Rh5 23.Qg4 Rg5 24.Qf3 f5 25.Rab1 f6 26.Rb8 Qc7 27.Rfb1 Qc4 28.h4! 1–0. market (1760) – mopna, GameColony.com, 2002.

4.a3 Nc6 5.e3 a6 6.Be2 h6 7.d3 Nf6 8.0–0 Be7 9.Nbd2 0–0 10.Rc1 Bd6 11.c4 dc4 12.Nc4 Rb8? (Better is 12...Be7+=) 13.e4+– (13.Nd6?! cd6 14.Nd4 Nd4 15.Bd4 e5+=) 13...Bg4 14.e5 (14.Nd6?! cd6 15.Nd4 Be2 16.Qe2 Nd4 17.Bd4 e5+=) 14...Bf3 15.Bf3 Be7 16.Bc6 bc6 17.ef6 Bf6 18.Bf6 Qf6 19.Na5 e5 20.Rc6 Qe7 21.Qc2 Rfd8 22.Rc5 Rb6 23.Nc6 Rc6 24.Rc6 Rd7 25.Ra6 Qd8 26.Ra7 e4 27.de4 Qc8 28.Rc1 Qd8 29.Rc7 Rd6 30.Rc8 Qc8 31.Qc8 Kh7 32.Qf5 1–0. COMP – NN, 2003.

4.b5 c5 5.e3 c4 6.a4 Nd7 7.Be2 Ngf6 8.0–0 Qc7 9.Nc3 Bd6 10.d3 Ng4 11.h3 h5? 12.dc4 Be4? 13.Ne4 de4+/– 14.Nd4 Bh2 15.Kh1 Bg1! 16.g3 Nf2 17.Rf2 Bf2 (18.Ne6 fe6 19.Bh5 Kd8–+) 0–1. Wartig,Wolfgang – Gross,Wilhelm, corr SOK–92–80, 1992.

4.b5 Be7?? 5.Bg7+– Bf6 6.Bh8 Bh8 7.c3 Nd7 8.e3 Nc5 9.d4 Ne4 10.Bd3 Ngf6 11.Ne5 Qd6 12.f3 Ng5 13.h4 Nf3 (13...Nge4 14.g4 Ng4 15.fe4 (15.Ng4 Qg3 16.Kf1 Bg4 17.Be4 Bh3 18.Ke2 de4–/+) 15...Be5 16.de5+–) 14.Qf3 (14.Nf3?! Qg3 15.Kd2 Qg2 16.Be2 Ne4 17.Kc1 Qf2+–) 14...0–0–0 (14...Bd3 15.Nd3 a6+–) 15.Bf5 ef5 16.Nf7 Re8 (16...Qe6 17.Nd8 Kd8+–) 17.Nd6 (17…cd6 18.Qf5 Kc7 19.g4 Re3 20.Kd1+–) 1–0. Bonetti,Shane – colang, ICC, 2002.

4.Nc3 Nf6 5.b5 Bd6 6.e3 0–0 7.Be2 a6 8.Nh4 ab5 9.Nb5 Nc6 10.Nd6 Qd6 11.Bf6 gf6 12.Nf5 ef5 13.Bd3 Qe5 14.0–0 Nb4 15.Be2 Ra7 16.c3 Nc6 17.d4 Qe6 18.c4 Re8 19.cd5 Qd5 20.Qc2 Qa5 21.Bc4 Rd8 22.Qe2 Qb4 23.Bd3 Qa5 24.Qh5 Ne7 25.Rfc1 Qb6 26.Bf5 Nf5 27.Qf5 Qd6 28.Rc2 Rd7 29.Rb1 c6 30.Qg4 Kh8 31.Rb6 Qe6 32.Qe2 f5 33.g3 Kg8 34.Rcb2 Qe8 35.Qh5 Qe4 36.Qg5 Kf8 37.Qf6 Kg8 38.h3 Qe6 39.Qg5 Kf8 40.Qf4 Kg7 41.Qb8 Ra2 42.Ra2 Qa2 43.Rb7 Rb7 44.Qb7 Qd5 45.Qe7 h6 46.h4 Qe4 47.Qc5 Qd5 48.Qd5 cd5 49.Kg2 Kf6 50.Kf3 Kg6 51.Ke2 f6 52.Kd3 Kh5? 53.f3 Kg6 54.Kc3 f4 55.ef4 Kf7 56.Kb4 Ke7 57.Kc5 Ke6 58.g4 Kf7 59.Kd5 h5 60.gh5 Kg7 61.Ke4 Kh6 62.d5 f5 63.Kf5 Kh5 64.d6 Kh4 65.d7 Kg3 66.Ke4 Kf2 67.d8Q Ke2 68.Qh8 Ke1 69.Qh2 Kd1 70.Kd3 Ke1 71.Qg1# 1–0. GLChess211 – Faile14, computer chess game, 2000.

4.d3 Bb4 5.Nbd2 f6 6.e3 c5 7.Be2 Nc6 8.0–0 b5 9.Nh4 Bg6 10.Re1 Bf7 11.c3 Ba5 12.d4 c4–/+ 13.Bg4? f5–+ 14.Bh5? Qg5 15.Bf7–/+ Kf7 16.Nhf3 Nf6?? 17.Ng5+– Ke7 18.Ngf3 b4 19.Nb1 Ne4 20.Qa4 Kd6 21.cb4 Bb4 22.Rc1 Rhc8 23.Ne5 Rab8 24.Nc6 Rc6 25.Ba3 a5 26.f3 Nf6 27.Nc3 Ba3 28.Qa3 Kd7 29.Qa5 g5 30.Rcb1 Rb1 31.Rb1 Rc7 32.a4 g4 33.Qc7! Kc7 34.a5 gf3 35.gf3 h5 36.a6 (36...Nd7 37.a7+–) 1–0. ftyre – veera (2225), net–chess.com, 2004.

4.d3 Nf6 5.a3 Be7 6.Nbd2 0–0 7.c4 dc4 8.Nc4 c5 9.b5 b6 10.h3 Nbd7 11.e4 Bg6 12.Be2 Nh5 13.0–0 Ndf6 14.Rb1 Nf4 15.Nfe5+= Ne2 16.Qe2 Nh5 17.Nc6+/– Qc7 18.Be5+– Qd7 19.Ne7 Qe7 20.g4 Nf6 21.Bd6 Qd8 22.Bf8 Qf8 23.f4 h6 24.f5 ef5 25.gf5 Bh7 26.Qf3 Rd8 27.Rbd1 Qe8 28.a4 Nd7 29.Qg3 g5 30.fg6 fg6 31.Nd6 Qe5 32.Qe5 Ne5 33.Nc4 Nf7 34.Kg2 g5 35.Kh2 Kg7 36.Kg3 Bg6 37.Rd2 h5 38.Kf3 Rf8 39.Ke3 Rd8 40.Rdf2 Rd4 41.Nb2 Rb4 42.Kd2?? Rb2–+ 43.Ke3 Rb4 44.Rf6 Ra4 45.Rc6 Ne5?? 46.Rc7 Kh6 47.Rf8 g4–+ 48.h4 Ra3?? 49.Rh8+/– Bh7 50.Rhh7 Kg6+– 51.Ra7?? Rd3= 52.Kf4 Nf3?? 53.Rhg7 Kf6 54.Rh7?? Ne5–/+ 55.Rh6 Ng6 56.Rg6 Kg6 57.Ra6 Rf3 58.Ke5 Rf6 59.Ra3 Rf3 60.Ra6–+ Rf6?? 61.Ra3–/+ Rf3 62.Ra6= ½–½. coloplayah (1990) – wmalone (2100), net–chess.com, 2005.

4.d4 Bb4 5.c3 Bd6 6.Nbd2 Be4 7.Ng5?? Qg5–+ 8.f3 Qh4 9.g3 Bg3! 10.hg3 Qh1 11.fe4–+ de4 12.Qa4 Nd7 13.Rd1 e3 14.Nf3 c6 15.Bc1 Qh6 16.Rd3 Ne7 17.Be3 Qg6 18.Bh3 Qg3 19.Bf2 (19...Qh3 20.Qb3–+). smurrell (1645) – phzzzt, net–chess.com, 2003.

4.Nd4 Bg6 5.Nf3 h6 (5...Bb4?? 6.Bg7 Nf6 7.Bh8+–) 6.Ne5 Bh7 7.e3 Nf6 8.c4 dc4 9.Bc4 Bb4?? (Better is 9...Nbd7=+) 10.Qa4+– Nc6 11.Nc6 Bb1 (11...bc6 12.Qb4 Rb8+–) 12.Nd8 (12...Kd8 13.Rb1+–) 1–0. cagey – joeadd, Live Game Caissa's Web, 2004.

4.e3 Nf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6).

4.e3 h6 5.c4 Nf6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 h6).

4.Ne5 Nf6 5.e4 (5.a3 a5=+) 5...Be4–/+ 6.d3 (6.f3 Bf5–/+) 6...Bg6 (6...Bb4 7.c3 Bd6 8.Nf7 Kf7 9.de4 Ne4 10.Bd3–+) 7.Qf3 Bd6 8.Ng6 fg6 9.Bf6 gf6 10.Be2 0–0 11.Qh3 Be5 12.Qg4?? Ba1 13.Nd2 f5 14.Qg3 Bf6 15.Bg4 fg4 16.Qg4 Nd7 17.Qf5 Qe7 18.Qf3 Ne5 19.Qe2 Nd3 20.Kd1 Qc5 21.cd3?? Qc2 22.Ke1 Qd1 23.Qd1 Ba1 24.f3 Rf3 25.Rf1 Rf2?? 26.Rf2+– Rf8 27.Rf8 Kf8 28.Qa4 Kg7 29.Qd7 Kf6 30.Qc7 Be5 31.Qb7 d4 32.Qa7 Bb8 33.Qb8 e5 34.Qb7 e4 35.Qb6 Kf7 36.Ne4 g5 37.Qf6 Ke8 38.Qg5 h6 39.Qh6 Kd7 40.Qh7 Ke6 41.Nc5 Kd5 42.g4 Kc6 43.Qf5 (43…Kd6 44.Qe6 Kc7 45.Qd7 Kb6 46.Qb7#; 43.Qd7 Kb6 44.Qb7#) 1–0. opop – AliG1Only, Caissa's Web, 2004.

5.b5 Nf6 6.e3 Nbd7 7.Be2 Bd6 8.Nh4 Bg6 9.f4 c5 10.0–0 Nb6 11.d3 d4 12.e4 Nh5 13.Ng6 (< 13.Bh5 Qh4 14.Bg4 h5–/+) 13...hg6 14.Bc1 Qh4 (14...e5 15.Bh5 Rh5 16.h3=) 15.e5 Nd5 16.Bh5 Be7 (16...Rh5 17.ed6 Qh2 18.Kf2 Nf4 19.Bf4=) 17.Bf3+= Qh2 18.Kf2 Nf4 19.Bf4 Qf4 20.Rg1 Qe5 21.Bb7+/– Rh5 22.Nd2 Bh4 23.g3 Qe3 24.Kf1 Bg3 25.Qe2 Qf4 26.Qf3 Qd2 27.Qc6 Ke7 28.Rg3 Rd8 29.Qg2 (not finished). Klaus Behrmann – ARMAGEDON_8, ChessWorld.net, 2003.

5.Nd4 Bg6 6.b5 Nf6 7.e3 Bc5 8.d3 c6 9.bc6 Nc6 10.Nc6 bc6 11.Nd2 0–0 12.Be2 Bd6 13.Rb1 Rb8 14.0–0 Qe7 15.Qc1 e5 16.Nf3 Bf5 17.Nh4 Bd7 18.Nf3 e4 19.de4 de4 20.Nd2 Be5 21.Be5 Qe5 22.Nc4 Qc3 23.Rd1 Be6 24.Rb3 Rb3 25.cb3 Qc1 26.Rc1 Ra8 27.a4 c5 28.Rc2 Ra7 29.Rd2 Nd7 30.Ne5 Nf8 31.Nc6 Ra8 32.Bd1 f6 33.Bc2 f5 34.g4 g6 35.Rd6 Kf7 36.gf5 gf5 37.f3 ef3 38.Kf2 Kg7 39.Kf3 Ra6 40.Kf4 Bd7 41.Rd7 Nd7 42.Ne7 Rb6 43.Nf5 Kf8 44.e4 Rb4 45.Ne3 Nb6 46.h4 Ke7 47.Bd1 Kd7 48.Bc2 Ke6 49.Bd1 Kd7 50.Bc2 Ke6 51.Bd1 Kf7 52.h5 Kf6 53.Bc2 Kf7 54.Bd1 Kf6 55.Bc2 Rd4 56.Ng4 Ke6 57.Ne3 h6 58.Nf5 Rd2 59.Ne3 Nd7 60.Bd1 Ne5 61.Bg4 Ng4 62.Ng4 Rb2 63.Nh6 Rb3 64.Ng4 Rh3 65.Ne3 Rh5 66.Nc4 Rh4 67.Ke3 Rh3 68.Kf4 Rh4 69.Ke3 Rh8 70.Na5 Rb8 71.Kd3 Rb4 72.Nc4 Ra4 73.Kc3 Ra7 74.Nb2 Ke5 75.Nd3 Ke4 76.Nc5 Kd5 77.Nb3 Rg7 78.Na5 Rg2 79.Nb3 Rg3 80.Kb4 Rh3 81.Na5 Rh2 82.Kc3 Rg2 83.Nb3 Rg3 84.Kb4 Rh3 85.Na5 Rh2 86.Kc3 Rh4 87.Nb3 Rh3 88.Kb4 Rg3 89.Na5 Rg7 90.Kc3 Rg3 91.Kb4 Rg7 92.Kc3 ½–½. Machete99 – Ravana, ICC, 2002.

5.Nd4 Bg6 6.b5 Nf6 7.e3 Bc5 8.Be2 0–0 9.0–0 Nbd7 10.c4 dc4 11.Bc4 Nb6 12.Be2 Nbd5 13.Nb3 Bd6 14.Nc3 a4 15.Nd4 e5 16.Nd5 Nd5 17.Nf3 e4 18.Ne5 Be5 19.Be5 Bf5 20.Rc1 Qe7 21.Bb2 Rfd8 22.Re1 Qd7 23.Qc2 Ra7 24.Qc4 Ra5 25.Qd4 f6 26.Rc5 Ne3 27.de3 Qc8 28.Qc3 b6 29.Rc7 Qe6 30.Bc4 Rd5 31.Bd5 Rb5 32.Be6 Be6 33.Rg7 Kh8 34.Qf6 Rf5 35.Rg6 Rf6 36.Bf6# 1–0. Machete99 (2165) – Ravana (2090), ICC, 2002.

5.d4 Bd6 6.Nbd2 b5 7.Ne5 f6 (7...a6 8.g4 Bg6 9.h4 Be5 10.de5=) 8.Nef3 (8.Nc6 Qc8+=) 8...e5 (8...a5!?=+) 9.Nh4 Be6 10.e4 g6 (Better is 10...a5!? 11.Bb5 ab4+=) 11.Bb5+/– f5?? (Better is 11...Ne7+/–) 12.ef5 gf5 13.Qh5 (13.de5!? Bb4 14.ab4 Qh4+–) 13...Bf7 14.Qf5 (Better is 14.Qe2 e4 15.Nf5+–) 14...Qh4?? (Better is 14...e4+–) 15.Qd7 Kf8 16.de5 Re8 17.0–0 Nf6 (17...Be5 18.Be5 Re5 19.Nf3+– (< 19.Qc7 Re7 20.Qb8 Kg7+–)) 18.Qf5 Be5 (18...Bg6 19.Qf6 (19.ed6?! Bf5 20.Nf3 Qh6 21.Be8 Ke8=) 19...Qf6 20.ef6+–) 19.Be5 (19…Re6 20.Bd7 Nd7 21.Bh8+–) 1–0. Caldelari,Andrea – Rodic,Oliver, Stadtcasino op 3rd, 1998.

5.d4 Bd6 6.e3 Ngf6 7.c4 0–0 8.Nc3 a5 9.b5 Ne4 10.Ne4 de4 11.Nd2 Qg5 12.c5 Be7 13.c6 bc6 14.bc6 Nf6 15.Nc4 Rfb8 16.Qc2 Ra6 17.Ne5 Ra7 18.h3 Bd6 19.g4 Be5 20.de5 Ng4 21.hg4 Qg4 22.Rb1 Raa8 23.Be2 Qg2 24.Rh4 Qg1 25.Bf1 a4 26.Qd2 Rb6 27.Qc3 Rab8 28.Qc1 Bg4 29.Qc3 Bf3 30.Rf4 Bg2 31.Kd2 Bf1 32.Qc1 Qg2 33.Qf1 Rb2 34.Kc3 Qg5 35.Rb2 Qe5 36.Kc4 Qb2 37.Qd1 Qa3 38.Qd8 Rd8 39.Rf5 Qb3 40.Kc5 ef5 41.f3 Rd5# 0–1. Machete99 – roboPjf, ICC, 2002.

5.e3 Ngf6 6.Be2 =.

5.e3 h5 6.d4 Nb6 7.Nbd2 g5 8.Bd3 Bd3 9.cd3 g4 10.Ng1 f5 11.Ne2 Qd7 12.0–0 Na4 13.Bc1 Nf6 14.e4 h4 15.e5 Nh5 16.Nb3 0–0–0 17.Nc5 Nc5 18.dc5 d4 19.Bg5+= Be7 20.Be7 Qe7= 21.Qa4 Kb8+= 22.c6 Qe8 23.b5+/– Rd5 24.cb7 Qd7 25.Rfb1 f4 26.Rb4+– Rd8 27.Qa6 Qe7 28.Rc1 Rc5 29.Rbc4 Rc4 30.Rc4 f3 31.b6! (31...cb6 32.Rc8 Rc8 33.bc8Q#) 1–0. Confente,Giuseppe – Andersson,Lars H, corr ICCF TT–4–90 semi, 1994.

5.d3 Bd6 6.Nbd2 0–0 7.g3 (7.c4 c5=) 7...a6 (8.c4 Re8=; 7...a5 8.b5=+) =. reza9739 – Stiller, ChessWorld.net, 2002.

5.d4 a5 6.b5 Nbd7 7.e3 Bd6 8.c4 dc4 9.Nbd2 c3 10.Bc3 Nd5 11.Bb2 N7f6 12.Nc4 0–0 13.Be2 Be7 14.0–0 Ne4 15.Rc1 a4 16.Bd3+= Nef6 17.Re1 Be4 18.Bc2 Bc2 19.Qc2 Qe8 20.e4 Nf4 21.b6 c6 22.Rcd1 N6h5 23.Bc1 f5 24.Nfe5 fe4 25.Re4 Nd5 26.Rde1 Nhf6 27.R4e2 Qd8 28.Nf3 Nd7 29.Re6+/– Bf6 30.Rd6 Qc8 31.Bg5 Ra6 32.Bf6 N7f6 33.Ng5 Qg4 34.Ne6 Re8 35.Re5 Raa8 36.h3 Qh4 37.Nc7 Rf8 38.Na8 Ra8 39.Qb2 Rf8 40.Ne3 Ne3 41.Re3 Nd5 42.Re5 g6 43.Rd7 Rf7 44.Re8 Kg7 45.Rf7 Kf7 46.Rb8 Qe7 47.Rc8 Qe4 48.Qc1 Qd4 49.Qh6 Ke6 50.Qh7 Ne7 51.Rc7 Qa1 52.Kh2 Qa3 53.Rb7 Qd6 54.g3 a3 55.Qh4 Qc5 56.Qe4 Kf6 57.Qf3 Ke6 58.Rc7 Qd6 59.Qe3 Kf6 60.Ra7 Nd5 61.Qe8 Kf5 62.b7 Qc5 63.Qf7 Nf6 64.Ra5! Qa5 65.g4 Ke4 66.Qc4 Kf3 67.b8Q Qb6 68.Qg3# 1–0. Fritz 5.00 MMX – Hiarcs5 P90, 1998.

5.d4 b6 6.e3 Bd6 7.c4 0–0 8.Nbd2 Nbd7 9.b5 a6 10.ba6 Ra6 11.c5 bc5 12.Ba6 c4 13.Bc3 Ne4 14.Ne4 Be4 15.Bb5 Nf6 16.Bc6 Bd3 17.Nd2 Ne4 18.Ne4 de4 19.Qh5 g6 20.Qb5 Qh4 21.h3 Qh6 22.h4 Qg7 23.a4 f5 24.g3 Qh6 25.Bd7 g5 26.d5 Bg3 (26...e5+–) 27.Be6 (27...Qe6 28.de6 Bf2 29.Kf2 Bc2 30.Qd7 Rf6 31.Bf6 Ba4 32.Qf7) 1–0. MickeyMouse (2250) – chessH (2075), ChessWorld.net, 2002.

5.Nd4 Bg6 6.e3 a6 7.Be2 Be7 (7...c5 8.bc5 Bc5 9.0–0=) 8.0–0 0–0 9.d3 c5 10.bc5 Bc5 11.Nd2 Nbd7 12.Rb1 Qe7 13.a4 Rab8 14.N4f3 Ba3 15.Bd4 Bc5 16.Bc3 Rfc8 17.Nh4 Bd6 18.Ng6 hg6 19.Bb2 Ba3 (19...b5 20.ab5 ab5 21.e4=) 20.Ba3+= Qa3 21.c4 Qe7 (21...e5 22.Re1+=) 22.d4 dc4 23.Bc4 Nb6?? (Better is 23...Qa3+=) 24.Rb6+– (24...Nd7 25.Rb2+–) 1–0. kamret (2230) – tigran (1735), GameColony.com, 2003.

5.e3 a5 =.

5.g3 c5 6.bc5 Bc5 7.e3 Nbd7 8.Bg2 Qb6 (8...0–0 9.Nh4 Bg4 10.f3–/+) 9.Ra2 (9.Bd4 0–0=+) 9...0–0 10.0–0 (10.Nh4 Bg4 11.f3 Bh5=+) 10...Rac8 11.Bd4 Bd4 12.ed4 Nb8 13.a4 Nc6–/+ 14.c3 Bd3 15.Re1 Nd7 16.Na3=+ Na5 17.Re3 Bc4 18.Nc4 Rc4 19.Bf1 Rcc8 20.Re1 Nf6 21.Bd3 Nc4 22.Qc2 Nd6 23.Ne5 Qc7 24.a5 Qe7 25.Qd1 g6 26.Qe2 Nh5 27.a6 b6 28.Raa1 Ng7 29.Qd1 f6 30.Ng4 Ngf5 31.Ne3 Ne3 32.Re3 Nc4 33.Bc4 Rc4 34.Qf3 Rd8 35.Rae1 Rc6 36.Qg4 Rdd6 37.h4 b5 38.h5 Kg7 39.hg6 hg6 40.Rb1 Rb6 41.Kg2 Rd8 42.Ree1 Rh8 43.Rh1 Rh1 44.Rh1 Rb8 45.Qh4+– Rg8 46.Qh7 Kf8 47.Qe7 Ke7 48.Rh7 Kd6 49.Ra7 Rb8 50.Rf7 Ra8 51.a7 f5 52.Kf3 g5 53.Ke3 Kc6 54.Ke2 Kb6 55.Re7 Ra7 56.Re6+– Kc7 57.Re7 Kb6 58.Ra7 Ka7+/– 59.Kd1 Kb6 60.Kc2 Kc6 61.Kb3 Kc7 62.Kb4+– Kb6 63.f3 Kc6 64.Ka5 1–0. Diepeveen,Vincent (2300) – Burer,Audry, Haarlem AKN, 1994.

5.Nh4 Bg6 6.Ng6 hg6 7.d4 a5 8.c3 Ng4 9.e3 Nh2 10.g3 Nd7 11.Be2 Nf6 12.Nd2 Rh6 13.Qc2 ab4 14.cb4 Bd6 15.e4 de4 16.Ne4 Nhg4 17.Rh6 gh6 18.Bf3 c6 19.Nc5 Qc7 20.Nb7 Bg3 21.Qc6 Ke7 22.fg3 Qg3 23.Kd2 Qf2 24.Kc3 Rc8 25.Qc8 Qf3 26.Kc2 Ne3 27.Kb3 Nd1 28.Ka2 Qd5 29.Kb1 Ne4 30.Qc7 Ke8 31.Na5 Qf5 32.Ka2 Qf2 33.Rd1 1–0. NZ cricketer – grandmaster goldberg, ChessWorld.net, 2005.

5.Nh4 Bg6 6.Ng6 hg6 7.e3 Bd6 8.h3 Nbd7 9.c4 c6 10.Qc2 Qe7 11.Nc3 Ne5 12.d3 g5 13.c5 Bc7 14.0–0–0 Ng6 15.g3 e5 16.Bg2 Nd7 17.Ne2 f5 18.e4+= fe4 19.de4 d4 20.Kb1 Rf8 21.Rhf1 a5 22.Rd3 Qe6 23.Qb3 Ke7 24.Qe6 Ke6 25.Kc2 b6 26.cb6 Nb6 27.Nc1 ab4=+ 28.ab4 Bd6 29.Rb3 Rf7 30.Bf3 Nc4 31.Be2 Nb6 32.Nd3+= Rfa7 33.Bh5 Nf8 34.f4 gf4= 35.gf4 Nc4 36.fe5 Ne3 37.Kc1 Nf1 38.ed6 g6 39.Bf3 Ra2? 40.e5+– Nd7? 41.Bg4 Kd5 42.Bd7 Ne3 43.Bg4 Kc4 44.Be6 Nd5 45.Nc5 Rf8 46.Kb1 Raa8 47.d7 Rf1 48.Bc1 Raf8 49.Bd5 cd5 50.e6 Re1 51.Rb2 d3 52.Rd2 Re3 53.Rd3 Re1 54.Rd2 Kc3 55.Rc2 (55...Kd4 56.Nb3 Kd3 57.Rc8+–) 1–0. Schwarz,B – Weichert,P, OWL–ch Buende, 1949.

5.e3 ab5 6.Bb5 c6 7.Be2 Qb6 8.Qc1 Nf6 9.0–0 Be7 10.Nd4 Bg6 11.f4 0–0 12.c4 dc4 13.f5 ef5 14.Nf5 Bf5 15.Rf5 Ra5 16.Ra5 Qa5 17.Qc4 Nd5 18.Qb3 b5 19.a4 b4 20.d4 Bg5 21.e4 Re8 22.Bf3 Nb6 23.Bh5 Re7 24.Qd3 N8d7 25.Bd1 Nf6 26.e5 Nfd5 27.Bc2 g6 28.Bb3 Be3 29.Kh1 Ra7 30.Nd2 Qa6 31.Qa6 Ra6 32.Nf1 Bf4 33.a5 Nd7 34.Kg1 Nf8 35.Bc4 Ra7 36.Kf2 Ne6 37.Bd5 cd5 38.g3 Bg5 39.Ne3 Nc7 40.Ke2 h6 41.h4 Be7 42.Kd3 f6 43.Ng4 fe5 44.de5 Kg7 45.Nf6 b3 46.Bd4 Rb7 47.a6 Rb8 48.a7 Ra8 49.Rb1 Ne6 50.Nd5 Nd4 51.Ne7 Ra7 52.Kd4 Re7 53.Rb3 Ra7 54.Rf3 Ra4 55.Kd5 Ra5 56.Kd6 Ra6 57.Kd7 Ra7 58.Kc6 Ra6 59.Kb5 Re6 60.Re3 Re8 61.Kc6 Rc8 62.Kd7 Ra8 63.e6 Ra7 64.Kd6 Kf8 65.Rc3 Ra8 66.Ke5 g5 67.hg5 hg5 68.Kf6 g4 69.Rc7 Rb8 70.Rf7 Kg8 71.Rg7 Kh8 72.Rg4 Rf8 73.Ke7 Rf3 74.Ke8 Kh7 75.e7 Kh6 76.Kd7 Re3 77.e8Q Re8 78.Ke8 Kh5 79.Rg8 Kh6 80.Kf7 Kh7 81.Rg6 Kh8 82.Rh6# 1–0. Bonetti,Shane – Ravana (2430), ICC, 2002.

5.e3 ab5 6.Bb5 c6 7.Be2 Qb6 8.Qc1 Nf6 9.0–0 Be7 10.Nh4 0–0 11.Nf5 ef5 12.c4 dc4 13.Bc4 Qc7 14.Qc2 Ne4 15.f3 Nd6 16.Bd3 Qa5 17.Bc3 Qd5 18.Bd4 Nd7 19.Bb2 Qe6 20.Nc3 Ne5 21.Be2 Nec4 22.Bc1 Bf6 23.Re1 c5 24.a3 Rfd8 25.g3 b5 26.Kf1 b4 0–1. Bonetti,Shane – Ravana (2425), ICC, 2002.

5.e3 ab5 6.Bb5 c6 7.Be2 Nf6 8.Nh4 Be4 9.f3 Nfd7 10.g3 Qb6 11.Qc1 Bg6 12.Ng6 hg6 13.0–0 Na6 14.c4 Nc7 15.cd5 Nd5 16.Nc3 N5f6 17.Rb1 Bd6 18.Ne4 Qc7 19.Bf6 Bg3 20.hg3 Nf6 21.Rb7 Qa5 22.Nd6 Kf8 23.Qc6 Rh7 24.Rf7 Kg8 25.Bc4 Nd5 26.Rd7 Kf8 27.Nc8 Rh5 28.Qe6 Rf5 29.Bd5 Qd5 30.Qe7 Kg8 31.Qg7 1–0. Bonetti,Shane – Ravana (2090), ICC, 2002.

5.e3 c6 6.ba6 Na6 7.a3 Qb6 8.Qc1 Nc5 9.Nc3 Nf6 10.Be2 Be7 11.0–0 0–0 12.Rb1 Qa5 13.Nh4 Bg4 14.Bf3 b6 15.Bg4 Ng4 16.Nf3 Ne4 17.Nd4 Bd6 18.Ne4 Bh2 19.Kh1 de4 20.c3 Qh5 0–1. Bonetti,Shane – Ravana (2425), ICC, 2002.

5.Nc3 Bd6 =+.

5.Nd4 Be4 =+.

5.e3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.b5).

5.Ne5 Bd6 6.e4 Be4 7.Bd4 h6 8.Nc3 0–0 9.f3 Bh7 10.Bd3 c5 11.Bh7?? Nh7 12.Be3 d4 13.Bd4 cd4 14.Ne4 Be5 15.Qe2 d3 16.cd3 Ba1 17.0–0 Bd4 18.Kh1 Nf6 19.g4 Nh7 20.f4 Qd5 21.g5 hg5 22.h3 f5 23.fg5 Ng5 24.Qh5 0–1. manofsteel5 – LukeHatesMe, Live Game Caissa's Web, 2005.

5.g3 Bc5 6.Bg2 –/+.

5.g3 Bd6 6.Bg2 0–0 7.0–0 a6 8.a4 c6 9.Na3 (9.Nd4 Be4=+) 9...Qe7 10.Qc1 (10.bc6 Nc6 11.c4 Rfc8=+) 10...Rc8 (10...cb5 11.Nd4 Be4 12.f3–/+) 11.e3 cb5–/+ 12.ab5 ab5 13.Nd4 Bd3–/+ 14.Re1 b4 15.Nab5 Na6 16.Nd6=+ Qd6 17.Bf1 Bf1–/+ 18.Kf1 Qc5 19.f4–/+ Ne4 20.Qd1 Nd6 21.Qg4 g6 22.Kg2=+ Ne4 23.Re2 Qe7 24.Qf3 Nac5–/+ 25.Ra8 Ra8 26.d3 Ra2 27.de4 de4 28.Qg4 Rb2 29.Rf2 f5 30.Qd1 Ra2 31.Qb1 Ra4 32.Qb2 e5 33.Nb3 Ra3 34.Nc5 Qc5 35.fe5 Re3 36.Qa2 Kg7 37.Qe6 Rc3 38.Qf6 Kg8 39.Rd2 Rc2 40.Qd8 ½–½. Dubleumortier,Christian – Frenzel,Lothar, corr 3GMM–37, 1996.

5.g3 Nbd7 6.Bg2 Bd6 7.d4 c5 8.0–0 cd4 9.Nd4= Bg6 10.c4 0–0 11.cd5= e5 12.Nb3 h5 13.N1d2 Rc8 14.e4 h4 15.Rc1 Qe7 16.a4 (16.Qf3 Rfd8+/–) ½–½. Schaefer,Juergen – Machenbach,Armin, Porz op, 1990.

5.Qb3 Nc6 6.c5 =+.

5.Qb3 Be7 6.d3 0–0 7.Nbd2 Nbd7 8.Nh4 Bg4 9.f3 Bh5–/+ 10.0–0–0 c5 11.a3? cb4–/+ 12.ab4 a5 13.g3? Bb4–+ 14.Ng2 Nc5 15.Qc2 d4 16.Nb3 a4 17.Nd4 a3 18.Ba1 Qa5 19.g4 Bg6 20.h4 h5 21.Nf4 a2 22.Nb5–/+ hg4 23.Ng6 fg6 24.d4 Ncd7 25.e4 gf3 26.e5 Nd5 27.Qg6? Ba3 28.Kc2 Ne3 29.Kd3 Nd1 30.Rg1 Ne5! 31.de5 Rad8 32.Nd4–+ Qe5 (33.Kc2 Bb2 34.Bb2 Nb2–+; 32...Rf7 33.Bh3 Nf2 34.Kc2 Qa4 35.Kd2 Qc4 36.Qf7 Kf7 37.Be6 Qe6 38.Ke3 Qe5 39.Kf3 Rd4 40.Bd4 Qe4 41.Kf2 Qd4 42.Ke2 Qg1 43.Kf3 Qf1 44.Ke4 a1Q 45.h5 Qe2 46.Kd5 Qae5) 0–1. ooioo (2265) – oleksandrlozitskiy (2220), net–chess.com, 2005.

5.b5 c6 6.a4 Nbd7 7.e3 Nb6 8.Qb3 dc4 9.Bc4 Nc4 10.Qc4 Bd3 11.Qb3 Ne4 12.Bd4 Bb1 13.Qb1 Qd5 14.0–0 c5 15.Bb2 Rd8 16.Rd1 f6 17.d3 Ng5 18.e4 (Better is 18.Ng5 Qg5 19.d4=) 18...Nf3–/+ 19.gf3 Qg5 20.Kh1 Bd6 21.Rg1 Qh5 22.Rg2 Qf3 23.Qc2 h5 24.d4 cd4 25.Bd4 h4 26.Kg1 h3 27.Rg7 Kf8 28.Rg3?? Bg3–+ 29.fg3 Rd4 30.Re1 Qg2 31.Qg2 hg2 32.Kg2 Ra4 33.b6 ab6 34.h4 Rg8 35.Re3 0–1. Adam,Hanna – Nagel,Verena (1945), Bayern chw GER, 2000.

5.a3 Ngf6 6.c4 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 Nbd7 6.a3).

5.Be2 Ngf6 6.a3 Be7 7.d3 0–0 8.Nbd2 a6 9.c4 b6 10.cd5 ed5 11.Nd4 Be6 12.Nc6 Qe8 13.Ne7 Qe7 14.0–0 c5 15.Nf3 Bg4 16.h3 Bf3 17.Bf3 Qe6 18.Qe2 Rac8 19.Rfc1 Rc7 20.Rc2 c4 21.dc4 dc4 22.Rd1 b5 23.Bc3 Ne5 24.Be5 Qe5 25.Rdc1 Rd8 26.Qe1 Rcd7 27.Qc3 Qc3 28.Rc3 Nd5 29.R3c2 Nc7 30.Rc3 Rd3 31.R1c2 Rd2 32.Rd2 Rd2 33.Kf1 Nd5 34.Bd5 Rd5 35.Ke2 f5 36.f4 Kf7 37.g4 Kf6 38.Kf3 g6 39.Ke2 h6 40.Kf3 Rd1 41.Kg2 Ke6 42.Kf3 Rb1 43.Rc2 Rb3 44.Ra2 Kd5 45.gf5 gf5 46.Rd2 Rd3 47.Ra2 c3 48.a4 Kc4 49.ab5 ab5 50.Ke2 Rd6 0–1. Deutekom – Tuijp, Haarlem 1994.

5.Bg7 f6 6.Bh8 Qe7 7.c3 Bd6 8.Bg2 Nd7 9.d4 0–0–0 10.Nbd2 Nh6 11.Bf6! Qf6 12.Qb3 Nb6 13.a4 Rg8 14.Nh4 c5 15.Nf5 Nf5 16.e4 de4 17.Ne4 Qe7 18.Nd6 Qd6 19.dc5 Qe5 20.Kd2 Rd8 21.Kc1 Qc5 22.Ra2 Ng7 23.Rd1 Rf8 24.a5 Nd5 25.Bd5 ed5 26.Qd5 Qc3 27.Rc2 Qc2 1–0. Stolarczyk,Anna (1900) – Paterek,Joanna, Elk Poland, 2000.

5.Bg7 Nf6 6.Bh8 +–.

5.a3 c5 =+.

5.b5 Bc5 6.Bg2 0–0 7.0–0 c6 8.bc6 Nc6 9.d3 Re8 10.Nh4 Bg6 11.Nd2 Ng4 12.Nb3+= Bb6 13.Ng6 hg6 14.e4 Nge5 15.ed5 ed5= 16.Kh1 Qd6 17.f4 Nd7 18.a4 Ne7 19.a5+= Bd8 20.Re1+/– Nf6 21.c4 Rc8 22.a6 b6 23.Nd4 dc4+= 24.dc4 Rc4 25.Nb5 Qd1 26.Red1 Rb4? 27.Bf6+– gf6 28.Na7 b5 29.Nc6 Bb6 30.Nb4 (30...Nc8 31.Nd5+–) 1–0. Gombac,Jan (2205) – Kokol,Peter, SLO–ch U20 Kranj, 2001.

5.Bg2 Bb4 6.c4 0–0 7.0–0 Nc6 8.Qa4 Nd7 9.cd5 Nc5 10.Qd1 ed5 11.a3 Ba5 (withdraw, 0–1). Willen – Zbroja, corr 3GMM½–10 1997–98.

4.b5 c6 5.a4 e6 6.e3 Bb4 7.Nd4 Ne7 (7...Nh6 8.Nf5 Nf5 9.Bd3=) 8.Nf5 Nf5 (< 8...ef5 9.Qh5 Kd7 10.Bd3+/–) 9.c3 Ba5 10.Be2 Bb6 11.Bh5 g6 12.Bg4 0–0 13.0–0 Qd6 14.Qc2 cb5 15.ab5 Nd7 16.Ba3 Bc5 17.Bb2 Ne5?? (Better is 17...Rfc8=) 18.Bf5+– ef5 19.d4 Nf3?? (Better is 19...Ng4 20.g3 Qb6+–) 20.gf3 Bb6 21.Ba3 Qe6 22.Bf8 Rf8 23.Nd2 Qd6 24.f4 g5 25.fg5 fg5 26.Nf3 g4 27.Ne5 Qh6 28.f4 gf3 29.Rf3 Qg5 30.Qg2 Qg2 31.Kg2 (31...Kh8 32.c4 dc4 33.Nc4+–) 1–0. GULP – hgflyer, Live Game Caissa's Web, 2004.

4.d4 Nd7 5.e3 e6 6.a3 Bd6 7.Be2 Ne7 8.0–0 0–0 9.Nbd2 b6 10.c4 c5 11.bc5 bc5 12.cd5 ed5 13.dc5 Nc5 14.Nd4 Bd3 15.Bd3 Nd3 16.Ne6 Qb8 17.Nf8 Bh2 18.Kh1+= Nb2 19.Qh5 Qf8 20.Kh2+/– Qf7 21.Qf7 Kf7 22.Rfb1 Nc4 23.Nc4 dc4 24.Rb7 Ke6+/– 25.Rc1 Rc8 26.Ra7 c3 27.Kg3 Nf5 28.Kh2?? h5?? 29.a4 g6+/– 30.a5 g5 31.a6 Nd6 32.Rh7 h4? 33.a7 c2 34.Rc2! (34...Ra8 35.Rb2+–) 1–0. Gegonz – leganes (1635), chesshere.com, 2007.

4.e3 a6 5.Nd4 Bg6 6.Ne6 Qd6 7.Nf8 Kf8 8.a3 e5 9.Be2 Ne7 10.0–0 h5 11.d4 e4 12.c4 c6 13.c5 Qc7 14.Nc3 h4 15.Rc1 Nf5 16.a4 h3 17.g3 Nd7 18.b5 ab5 19.ab5 Kf7 20.Qb3 Rab8 21.b6 Qd8 22.Ne4 Nf8 23.Nc3 Ne6 24.Ra1 Ng5 25.Ra4 Qe7 26.Rfa1 Ne3 27.fe3 Qe3 28.Kh1 Be4 29.Ne4 Qb3 30.Ng5 fg5 31.R4a2 Qe3 32.Rf1 Kg6 33.Bc1 Qd4 0–1. Machete99 (2265) – shmikci (1805), ICC, 2002.

4.e3 Nc6 5.a3 e5 6.c4 a6 7.Nc3 d4 8.ed4 ed4 9.Nd5 Bd6 10.Bd4 Bg4 11.Be2?? Nge7?? (12.Bf6 0–0+/–; better is 11...Bf3 12.Bf6 Nf6 13.Bf3 0–0–+) 0–1. coloplayah (2175) – cruciverbalist (1840), net–chess.com, 2006.

4.Nh4 Be4 =.

5.a3 (–--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Bf5 5.Nf3).

5.b5 (–--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bf5 5.Nf3).

5.Nc3 Bb4 6.Bd3 Bg4 7.Be2 Bf5 8.Nh4 Bg6 9.Bh5 Ne7 10.Nb5 c6 11.Nc3 Nd7 12.0–0 Qc7 13.e4 0–0–0 14.Bg6 Ng6 15.Ng6 hg6 16.Qg4 Rh6 17.ed5 Bd6 18.dc6 Qc6 19.Qa4 Kb8 20.Qc6 bc6 21.Ne4 Bc7 22.Rab1 Ka8 23.Ba3 Rdh8 24.h3 (time, 1–0). Nautiluschess – TabulaRasa, ICS blitz, 2001.

4.a3 a5 5.ba5 Ra5 6.Nc3 e5 7.e3 Nbd7 8.Be2 Be7 9.0–0 0–0 10.d4 e4 11.Nd2 b6 12.f3 Qa8 13.fe4 Be4 14.Nde4 de4 15.Qc1 Rd8 16.Nb1 Nf8 17.c4 Ne6 18.Nd2 Ra7 19.Qc3 h6 20.Bd1 Ng5 21.Bc2 c6 22.a4 Qb8 23.Rab1 Bd6 24.h4 Ng4 25.Rfe1 Bb4 26.Qb4 Qh2 27.Kf1 Qg3 28.Re2 Qh4 29.Qf8 Rf8 30.Nf3 0–1. GLChess210 – AnMon426, computer chess game, 2000.

4.a3 c6 5.Nh4 (5.e3 Ne4=) 5...Bg4 (5...Be4 6.f3 Bg6 7.Ng6 hg6 8.e3=) 6.h3= Bc8 7.e3 a5 8.b5 e6 9.Nf3 Nbd7 10.Be2 Bd6 11.0–0 e5 (11...cb5 12.Bb5 0–0 13.Nc3=) 12.c4 0–0 13.d4 e4 14.Nfd2 Bb8 15.Nc3 Qc7 16.g3 Re8 17.cd5 cd5 18.Rc1 Qd6 19.Re1 Nb6 20.Bf1 a4 21.Rc2 Be6 22.Qb1 Qd7 23.Kh2 h5 24.Rec1 h4 25.Bg2 Nh5 26.Ne2 Bd6 27.Nf1 Nc4–/+ 28.b6 Ra6 29.Qa2 Rb6 30.Rb1 hg3 31.fg3 Rb3 32.Rc3 Qb5 33.Rb3 ab3 34.Ba1 ba2 35.Rb5 Ra8 36.Nc3 Ra3 37.Rb7 Nf6 38.Nb5 Ra5 39.Nd6 Nd6 40.Rb3 Ra8 41.Nd2 Nh7 42.Rc3 Ng5 43.g4 Rc8 44.Kg3 Rc3 45.Bc3 Nb5 46.Ba1 Na3 47.Nb3 Nc2 48.Kf2 f5 49.Bc3? fg4 50.hg4 Bg4 51.Na1 Na1 0–1. REBEL7 – Genius 3, Fax–partij Nederland, 1995.

4.a3 Nc6 5.e3= Qd6 6.c4 0–0–0 7.d4 Ne4 8.cd5 Qd5 9.Be2 e6= 10.0–0 Bg4 11.Nc3 Nc3 12.Bc3 Bd6 13.Qa4 h5 14.b5+/– Ne7 15.Qa7 Kd7 16.Qa4 b6 17.Bb4+– Bb4 18.Qb4 h4?? 19.Ne5 (19...Ke8 20.Ng4+–) 1–0. Wall,Bill – Kamoski, Internet, 2003.

4.a3 Nbd7 5.Nh4 Bg4 6.h3 Bh5 7.g4 Bg6 8.Bg2 Nb6 (8...e6 9.d3=) 9.d3 c6 10.Nd2 Qb8 (10...e6 11.c4+=) 11.c4 e5 12.e4 White gets the initiative 12...Be7 (12...de4!? 13.de4 Be7+=) 13.ed5–/+ cd5 14.c5 Nbd7 15.Qb3 a5 16.g5 a4 17.Qa2 Bd3? 18.gf6+– Nf6 19.Bd5 0–0 20.Bc4 Bc4 21.Nc4 Nd7 22.Nf5 Bg5 23.Rg1 Qd8 24.Rd1 Qf6 25.Qb1 Nc5 26.h4! Nd3 27.Qd3 Bh6 28.Be5 Rfe8 29.Kf1 Re5 30.Ne5 Qe5 31.Nh6 Kf8 32.Qh7 gh6 33.Qh6 Ke7 34.Re1 Qe1 35.Ke1 Rc8 36.Qg5 f6 37.Qg7 Ke6 38.Rg6 Rc1 39.Kd2 Rd1 40.Kd1 Kd5 41.Qf6 Kc4 42.Rg4 Kb3 43.Kc1 Ka3 44.Qb2 1–0. lucya (2135) – Pincopallino, GameColony.com, 2002.

4.b5 e6 5.e3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.b5).

4.c3 e6=+ 5.Qb3 (5.Nh4 Bg4=+) 5...Nbd7 (5...Bd6 6.e3=+) 6.g3 (6.c4 a5–/+) 6...c5–/+ 7.Bg2 Bd6 8.d3 Qe7 (8...0–0 9.0–0=+) 9.0–0 0–0 10.b5 a6 (10...Rfd8 11.c4=+) 11.c4 ab5 (12.Qb5 Ra7=+). Behrmann,Klaus – Pappert,Thomas, compuserve, 1997.

4.c4 dc4 5.Ne5 =+.

4.c4 c6 5.e3 Nbd7 6.c5 g6 7.h3 Qc7 8.g4 Bb1 9.Rb1 Bg7 10.g5 Nh5 11.Bg7 Ng7 12.d4 0–0 13.h4 f5 14.Bd3 e5 15.de5 Ne5 16.Ne5 Qe5=+ 17.Qc2 Rae8 18.Qb2 Qe6 19.Rc1 f4 20.e4 Qg4 21.Kd2 Qf3 22.ed5 Qf2 23.Kc3 Qb2 24.Kb2 cd5 25.a3 f3–+ 26.Rcf1 Re3 27.Kc2 Nh5 28.Rh2 Ng3 29.Rff2 Ne4 30.Be4 de4 31.Rh1 a5 32.b5 Rf5 33.c6 Rc5 34.Kd2 Rd3 35.Ke1 Rc1# 0–1. Thomas,ARB – Green,AY, York BCF–ch, 1959.

4.Nd4 Qd7 5.Nf5 Qf5 6.e3 e5 7.b5 Nbd7 8.d4 ed4 9.Bd4= Ne4 10.f3 Nec5 11.Be2 Nb6 12.0–0 f6 13.e4 Qd7 14.e5 fe5= 15.Be5 Bd6 16.Qd4 Ne6 17.Qg4 0–0–/+ 18.Bd6 Qd6 19.Rd1 Qe5–+ 20.Nc3?? Nf4 21.g3 Ne2 (22.Ne2 Qe2–+; 21...Qc3?! 22.gf4 Qe3 23.Kf1 Rf4 24.Qg1–+) 0–1. Morais,Bruno – Salomone,Nestor, CC.2003.0.00067, 2003.

4.Nd4 Bd7 5.Nb3 =+.

4.Nd4 Bg6 5.a3 =+.

4.e3 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3).

4.e3 Nbd7 5.a3 e6 6.c4 c6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.a3 Nbd7).

4.e3 e6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6).

4.Bf6 ef6 5.a3 Nd7 6.Nc3 c6 7.Nd4 Bd6 8.Nf5 1–0. mtre – Zugzwang, internet, 2002.

4.g3 Nbd7 5.Bg2 e6 6.a3 Bd6 (6...c5!?) 7.d3 Qe7 8.Nbd2 e5 9.0–0 0–0 10.c4 c6 11.cd5 cd5 12.e4! Bg4 13.h3 Bf3 14.Qf3 d4 15.Nc4 +=. Kulichenko – Makeyev, corr 1951.

5.d4 Bd6 6.e3 Nbd7 7.c4 c6 8.Nbd2 0–0 9.Be2 Ne4 10.0–0 Qf6 11.g3 Nd2 12.Nd2 Qg6 13.c5 Bc7 14.Nf3 Bh3 15.Re1 Nf6 16.Ne5 Qh6 17.Ng4 Ng4 18.Bg4 Bg4 19.Qg4 f5 20.Qe2 Rf6 21.Bc3 Qh3 22.f4 g5 23.Bd2 Kh8 24.b5 Rg8 25.Qg2 Qh5 26.bc6 bc6 27.Rab1 Rf7 28.Qf1 Rfg7 29.Rb3 Bd8 30.Kg2 Bf6 31.Ba5 h6 32.a4 Kh7 33.Qd3 Qg6 34.Qa6 Qe8 35.Qe2 h5 36.Rb8 Qg6 37.Rg8 Kg8 38.Qa6 Qe8 39.Qd3 h4 40.Rb1 hg3 41.hg3 Qh5 42.Rb8 Kh7 43.Rb1 Qg4 44.Qd1?? Qd1 45.Rd1=+ Rb7 46.Kf2 Rb2 47.Rd2 Rb1 48.Ke2 Kg6 49.Rd1 Rb7 50.Bc3 Rb3 51.Kd2 Ra3 52.Ra1 Ra1 53.Ba1 Bd8 54.Bc3 Kh5 ½–½. Winiger,Albert (2150) – Mehlhorn,Uwe (2315), RSX8D – priv – XMAS, 2004.

5.Nd4 Bg6 6.e3 Nbd7 7.Be2 c5 8.bc5 Bc5 9.0–0 0–0 10.Nb3 Bd6 11.f4 Qc7 12.Nc3 a6 13.a4 b6 14.Nd4 Bc5 15.f5 Bd4 16.fg6 Be5 17.gh7 Nh7 18.h3 Bg3 19.Rb1 Nhf6 20.Rf3 Rfe8 21.Qc1 Bh2 22.Kh1 Nc5 23.Qd1 Rec8 24.Qe1 Nfe4–/+ 25.a5 b5 26.Qh4 f5 27.d4? Nc3 28.Bc3 Ne4 29.Bb4 Bg3 30.Qe7 Qe7 31.Be7 Rc2 32.Bd3 Nf2 33.Kg1 Nd3 34.Rg3 Kf7 35.Bd6 Rd8 36.Bb4 Rdc8 37.Rf3 Ra2 38.g4 Nb4 39.Rb4 Rc1 40.Rf1 Rcc2 41.Rf3 Kf6 42.Rb1 g5 43.Rd1 Rab2 44.Kf1 Kg6 45.Ra1 b4 46.gf5 ef5 47.Rg3 b3 48.Re1 Kh5 49.Rf3 Rh2 50.Kg1 Rbg2 51.Kf1 Rc2 52.Kg1 g4 53.Rf4 Rcg2 0–1. kamret (2240) – AdvancedSoloution (2260), GameColony.com, 2003.

5.Nd4 Bg6 6.e3 Nbd7 7.Be2 Bd6 8.f4 c6 9.0–0 h6 10.Nc3 0–0 11.f5 ef5 12.Nf5 Bf5 13.Rf5 Qc7 14.h3 Rfe8 15.b5 Nf8 16.Qf1 Ng6 17.Ra2 Re6 18.bc6 bc6=+ 19.Ba6? Rae8 20.Qd3=+ Bg3 21.Ne2 Be5 22.Nd4= R6e7 23.Rf1 Ne4 24.Nf5 Bh2 25.Kh1= Ng3 26.Kh2 Nf5 27.Kg1 Ng3 28.Rb1 Ne5 29.Be5= Qe5 30.Rab2 Ne4 31.c3 Qf6 32.Qf1 Qg5 33.Qf3 Re6 34.Qe2 Rf6 35.Rb8 Rb8 36.Rb8 Kh7 37.Bd3 g6 38.Be4 de4 39.Rb7 Qf5 40.Ra7+= Kg7 41.Rb7 Qe5 42.a4 Qa5 43.Rb4 c5 44.Re4+– Qb6 45.Rf4 Rd6 46.d4 cd4 47.ed4 Rc6 48.Qe5 1–0. marekt (2195) – kfj (1900), ICC, 2003.

5.Nh4 c5 6.Nf5 ef5 7.c3 Be7 8.d4 c4 9.g3 0–0 10.Bh3 Ng4 11.Qc2 Qd7 12.f3 Nh6 13.Bc1 Qe6 14.e4 de4 15.fe4 Ng4 16.Qe2 h5 17.e5 Nd7 18.Bg2 Rab8 19.h3 Nh6 20.Qh5 Nf6 21.Qf3 Ne4 22.0–0 Qg6 23.Kh2 Bg5 24.Bg5 Ng5 25.Qe2 b5 26.a4 a6 27.ab5 ab5 28.Nd2 Qb6 29.Rfe1 Rfe8 30.Nf1 f6 31.e6 f4 32.d5 Nf5 33.gf4 Qd6 34.Qf2 Nh7 35.Ng3 Ng3 36.Qg3 Rbd8 37.f5 Qb6 38.e7 Rd6 39.h4 Qb8 40.Re6 Rb6 41.Rb6 Qb6 42.d6 (42...Nf8 43.Ra8 Ra8 44.Bd5 (44.ef8R?! Rf8 45.Bd5 Kh8=; 44.ef8Q?! Rf8 45.Bd5 Kh8=; 44.ef8N?! Rf8 45.Bd5 Kh8=) 44...Kh8 45.Ba8 (45.ef8Q?! Rf8 46.Kg2 Rd8=; 45.ef8R Rf8 46.Kg2 Rd8+/–; 45.ef8N Rf8 46.Kg2 Rd8+/–) 45...Qb8 46.d7 Qa8 47.d8Q Qa2 48.Kh3 Qh2 49.Kh2 Kh7 50.ef8Q g6 51.fg6) 1–0. arkadeles (2300) – Kasker (2030), ChessWorld.net, 2003.

5.Nh4 Bg6 6.Ng6 hg6 7.e3 c5 8.b5 Bd6 9.c4 Nbd7 10.cd5 ed5 11.h3 Qe7 12.Be2 Qe6 13.d4 c4 14.Nc3 g5 15.Rg1 Bh2 16.Rf1 Bc7 17.Qa4 0–0 18.Qc2 a6 19.Bf3 Ba5 20.Ke2 Bc3 21.Bc3 Ne4 22.Bb4 Rfe8 23.Rfb1 a5 24.Be1 b6 25.Kd1 Rac8 26.Kc1 c3 27.Qd3 Ndf6 28.Ra2 Rc4 29.Rc2 Rec8 30.Bd1 Nd2 31.Bd2 cd2 32.Kd2= Ne4 33.Ke1 Rc2 34.Bc2 g4 35.hg4 Qg4 36.Qd1 Qg2 37.Be4 de4 38.Qe2 Rc3=+ 39.Qb2 Qg1 40.Ke2 Qg4 41.Ke1 Qc8 42.Qa2 Qh3 43.Qb2 Rd3 44.a4= f5 45.Qc2 f4 46.ef4 Rd4 47.Rb3 Qh1 ½–½. Taulien,Hans_Juergen (2225) – Mehlhorn,Uwe (2315), RSX8D – priv – XMAS, 2004.

5.c3 Bd6 6.d4 h6 7.Nbd2 Nbd7 8.a5 0–0 9.Nb3 b6 10.a6 c5 11.b5 e5 12.de5 Ne5 13.Nbd2 Nfd7 14.e4 de4 15.Ne4 Be4 16.Qd6 Nf3 17.gf3 Bf3 18.Be2 Re8 19.0–0–0 Qg5 20.Kb1 Re2 21.Rhg1 Qf5 22.Rd3 Qd3 23.Qd3 Be4 24.Qe4 Re4 25.c4 f6 26.Bc1 Kf7 27.Rd1 Rd4 28.Rg1 Rc4 29.Be3 Rb4 30.Kc2 Rb5 31.Rd1 Ne5 32.f4 Ng4 33.Bg1 Re8 34.Rd7 Re7 35.Rb7 Ra5 36.h3 Ra6 37.Re7 Ke7 38.hg4 Ra4 39.Be3 g5 40.Bd2 gf4 41.Kd1 f3 42.Ke1 Rg4 43.Bh6 a5 44.Kf2 a4 0–1. Feldstein – Kumaran, New York 1990.

5.c3 Bd6 6.Nd4 Bg6 –/+.

5.c3 Bd6 6.e3 0–0 7.Be2 Nbd7 8.0–0 c5 9.bc5 Bc5 10.Na3 a6 11.c4 Rc8 12.cd5 ed5 13.Qb3 Rb8 14.Nc2 Re8 15.Ncd4 Bd4 16.Bd4 1–0. Woschkat – Bankler, IECG 1996.

5.c3 Bd6 6.e3 a5 7.b5 =+.

5.c3 Bd6 6.e3 b6 7.Be2 (7.Nd4 Bg6=) 7...e5 (7...a5 8.b5=+) 8.0–0 c5 (8...0–0 9.c4=+) 9.bc5 d4?? 10.Na3 a6?? 11.c4?? bc5= 12.Qc1 Bg4 13.Bd1 Qa5 14.Bc3?? Bc8 15.g3 Ra7 16.Bd4 (16…ed4 17.ed4 cd4 18.Re1 Re7 19.Re7 Be7 20.Nd4–+; Better is 16.Ba5 e4 17.Ne1+–) 1–0. Woschkat,Karl_Heinz – Bankler,Brian, IECG, 1996.

5.Bc3 Ne4 =+.

5.a3 c5 6.bc5 Bc5 7.e3 0–0 8.Nbd2 Nc6 9.Be2 Bg4 10.0–0 Re8 11.c4 e5 12.d4 ed4 13.Nb3 Bb6 14.c5 Bc7 (< 14...de3 15.Bf6 gf6 16.cb6 Qb6 17.Nbd4+/– (17.Qd5? ef2 18.Rf2 Re2–+)) 15.Nbd4 Ne4 16.Nb5 Re6 17.Nc7 Qc7 18.h3 Bf3 19.Bf3 Ne5 20.Be5 Re5 21.Rc1 Rd8 22.Qc2 Ng5 23.Bg4 h5 24.Bd1 Ne6 25.c6 d4 26.cb7 Rc5 27.Qc5 Nc5 28.ed4 Rd4 29.Rc5 Qb7 30.Bh5 g6 31.Bf3 Qb6 32.Re5 Ra4 33.Re3 Qb2 34.Bd5 Ra3 35.Re8 Kg7 36.Re7 Ra1 37.Rf7 Kh6 38.Bc4 Rf1 39.Bf1 a5 40.Ra7 Qb4 41.Ra6 Qc3 42.g3 Qa1 43.Kg2 Qe5 44.Kg1 Qe1 45.h4 Qd2 46.Kg2 ½–½. Gretencord,Ulrich (1960) – Wagner,Frank, SE075 DESC, 2002.

5.a3 c5 6.Qd2 Nbd7 7.c4 Bd6 8.d4 (Better is 8.Nh4!? Bg6 9.cd5 ed5 10.e3=) 8...cb4 9.ab4 dc4 10.e3 0–0 (Better is 10...Ne4 11.Qc1 Bb4 12.Nc3 Nb6–+) 11.Na3?? (Better is 11.Bc4 Ne4 12.Qe2–/+) 11...Nd5 (11...Ne4 12.Qc2 Bb4 13.Kd1–+) 12.Rc1 Nb4 13.Nc4–/+ Be7 14.Ba3 a5 15.Be2 b5 16.Nce5 Ne5 17.Ne5 Nc2 18.Rc2 Ba3 19.Nc6 Qg5 20.0–0 Be4 21.f3 Bc2 22.Qc2 Rac8 23.f4 Qd5 24.Bf3 Qd6 25.Qd3 b4 26.Na5 Rc3 27.Qe2 Rfc8 28.Nb7 Qb6 29.Be4? f5 30.Bf3 b3 31.g4 (31.Nc5 b2 32.Na4–+) 0–1. Tudor,Ioan – Tudor,Alin Ciprian (2115), Techirghiol op, 1999.

5.a3 Bd6 6.e3 =+.

5.a3 Bd6 6.g3 0–0 7.Nd4 Bg6 8.Bg2 Nc6 9.e3 a6 10.Nf3 Bh5=+ 11.Nbd2 Ne5 12.0–0 c5 13.Qe1 Nf3=+ 14.Nf3 Bf3 15.Bf3= Rb8 16.c4 dc4 17.dc4 Qe7 18.Bg2 cb4=+ 19.a4 a5 20.f3 Bc5 21.Be5 Rbd8 22.Qe2 Nd7 23.Bf4?? e5 24.Bh6 gh6 25.Rfd1 Nb6 26.f4 ef4 27.gf4 Qe3 28.Qe3 Be3 29.Kf1 Bf4 30.c5 Rd1 31.Rd1 Na4 32.Rc1 Bc1 (33.Ke2 Nc5–+) 0–1. dugmak – Alviss, ChessWorld.net, 2004.

5.a3 Bd6 6.g3 c5 7.bc5 Bc5 8.Bg2 =+.

5.a3 Bd6 6.Nh4 Bg6 7.Ng6 fg6 8.Nd2 e5 9.e4 d4 10.Be2 Nbd7 11.Nc4 Be7 12.0–0 0–0 13.c3 c5 14.cd4 cd4 15.f4 Nb6? 16.fe5 Nc4 17.ef6 Nb2 18.Qb3 Kh8 19.fe7 Qe7 20.Qb2 Rfd8 21.Rac1 a5 22.b5 Rac8 23.Qb3 Rc3 24.Rc3 dc3 25.Qc3 Qg5 26.Rf3 (26...Qb5 27.Rf7 Qb6 28.Kh1+–; better is 26.Qa5!? Qc5 27.Kh1 b6+–) 1–0. mic (2100) – macktheknife (2020), net–chess.com, 2007.

5.a3 Be7 6.g3 0–0 7.Bg2 c5 8.c3 Nbd7 9.0–0 h6 10.Nbd2= a5 11.b5 a4 12.c4 Nb6 13.Re1 dc4 14.e4 Bg4 15.dc4+= Qc8 16.Qc2 Bf3 17.Nf3 Nfd7 18.e5 Rd8 19.Rad1 Nf8 20.Rd8 Qd8 21.Nd2 Qc7 22.Qe4 Ra7 23.Qg4 Qd8 24.Ne4 Nh7? 25.Rd1+– Qf8 26.Nd6 Bd6 27.ed6 Nd7+/– 28.b6 Nhf6?? 29.Bf6+– Nf6 30.ba7 Ng4 31.Bb7 (31...Ne5 32.d7 Nd7 33.Rd7+–) 1–0. Valenta,Vit jr (2200) – Dlauchy,P (1995), Palace Hotel Open, 2008.

5.a3 Nbd7 6.e3 c5 7.bc5 Bc5 8.Nbd2 Rc8 9.Be2 0–0 10.0–0 Bd6 11.Nd4 Bb8 12.Nf5 ef5 13.Nf3 Qc7 14.Rc1 Ng4 15.g3 Qb6 16.Bd4 Qh6 17.h4 Nde5 18.Ne5 Ne5 19.Kg2 Rfe8 20.Bf3 Nc6 21.Bb2 Qd6 22.c4 dc4 23.Rc4 Re3 24.Qc1 Rd3 25.Qg5 f6 26.Qf5 Rd8 27.Rfc1 Rd2 28.R4c2 Qg3 0–1. Lorinzci,Pedro – Coto,Maximino, Asturia, 1998.

5.a3 h6 6.Nbd2 a5 7.b5= a4 8.g3 Bc5 9.Bg2 0–0 10.0–0 c6 11.bc6 bc6 12.Ne5 Qe7 13.Ndf3 Bh7 14.c4 Rc8 15.Ra2 Ne8 16.d4+= Bb6 17.c5 Bd8 18.Bc3+= Rc7 19.Rb2 Rb7 20.Nd3 Qc7 21.Nfe5 Nd7 22.Nb4 Ne5= 23.de5 Be7 24.Bd4 Rb5 25.Qc1 Raa5 (The pressure on the isolated pawn grows) 26.Qe3 Qb7 (26...Bc5 27.Bc5 Rc5 28.Nd3–/+) ½–½. Marschner,Juergen (2300) – Hargens,Thomas (2275), BL2–N, 1992.

5.b5 a6 6.a4 =+.

5.b5 a6 6.Nc3 =+.

5.b5 c5 6.Nbd2 Qa5 7.c4 =+.

5.b5 c5 6.Nbd2 Qb6 7.a4 a6 8.c4 ab5 9.ab5 Ra1 10.Qa1 Be7 11.g3 0–0 12.Bg2 h6 13.0–0 Nbd7 14.e4 Bh7 15.Ne5 Qc7 16.Nd7 Qd7= 17.Bc3 d4 18.Bb2 Bd6 19.Qa7 e5 20.Ra1 g5 21.Nb3+= Qc7 22.Bc1 Kg7 23.Bd2 Rb8 24.Ba5 b6 25.Qc7 Bc7 26.Bd2 Rb7 27.Nc1 Bg6 28.f4 gf4 29.gf4 Bh5 30.h3 Nd7 31.f5 Bd8= 32.Ra8 Bh4 33.Kf1 Bd1 34.Kg1 Nf8 35.Bf1+= Nh7 36.Be2 Be2 37.Ne2 Bg5 38.Bg5 hg5 39.Ng3 Nf6= 40.Kg2 Kh7 41.Kf3 Kg7= 42.Nh1 Nh5 43.Nf2 (43.Kg4 Nf4 44.Ng3 A) 44...Nd3 45.Nh5 (45.Kg5?! f6 46.Kh4 Nf4=) 45...Kh7 46.Kg5 f6 47.Nf6 Kg7 48.Rg8 Kf7 49.Rh8+–; B) 44...Kh6+=) ½–½. Reefschlaeger,Helmut (2385) – Krauseneck,Peter (2310), Bundesliga, 1994.

5.b5 c5 6.Nbd2 Nbd7 7.Nh4 =.

5.b5 c5 6.Nbd2 h6 7.g3 Nbd7 8.c4 Bd6 9.Bg2 0–0 10.0–0 Bh7 11.cd5 ed5 12.Qb3 Re8 Black fights for the Initiative 13.e3 Qb6 14.a4 a6 15.Nh4 Be5=+ 16.Be5 Ne5 17.ba6 Qa6 18.d4 c4 19.Qc3 Nc6 20.Rfc1 Qa5 21.Qa5 Ra5 22.Nb1 g5 23.Nf3 b5 24.Nfd2 b4 25.Nc4= Nd4 26.Na5 Ne2 27.Kf1 Nc1 28.Nd2 ½–½. Pommerel,Wim – Gross,Wilhelm, corr, 1996.

5.b5 Bc5 6.Nbd2 0–0 (6...a6 7.e4 de4 8.Bf6 Qf6 9.de4=+) 7.c4 (7.e3 a6=+) 7...dc4 (7...d4 8.a3 Qd6 9.Nb3=+) 8.Qc1 Ng4 9.d4= Bb4 10.Qc4 Qd6 11.Rc1 c6=+ 12.h3 Nf6 13.e3 Ne4 14.a4 Nd7 15.bc6=+ Nd2 16.Nd2 Ne5 17.Qb5 Bd2 18.Kd2 Nc6 19.Be2 Be4 20.f3 Bd5 21.Bc3 a6 22.Qb6 Qa3 23.Ra1+= Qe7 24.e4 Qg5 25.Kd3 Ne7 26.h4 Qg2 27.ed5 Nd5 28.Qb2 Rac8 29.Ba5 b6=+ 30.Bb4 Rfd8 31.Rhg1 Qf2–+ 32.Bd2 e5! 33.Rg4 f5 34.Rf1 Qh2 35.Bg5 fg4 36.Bd8 Rc3 37.Kd2 Qf4 38.Kd1 Ne3 39.Ke1 Ng2 40.Kf2 Qh2 41.Bc4 Rc4 42.Rb1 Rd4 43.Qa2 Kh8 44.Bb6 Nh4 45.Kf1 Qh1 46.Kf2 Qg2 47.Ke1 Nf3# 0–1. Good_Boy – crafty, ICC, 1997.

5.b5 c6 6.Nbd2 cb5 7.e4 Bg6 8.e5 Nfd7 9.Be2 Be7 10.0–0 Nc6 11.d4 b4 12.Nb3 Rc8 13.Bd3 Nb6 14.Bg6 hg6 15.Qd3 Nc4 16.Bc1 a5 17.Nbd2 b5 18.c3 bc3–+ 19.Qc3 Qb6 20.Nc4 bc4 21.Bb2 Qb4 22.Qc2 Qb7 23.Bc3 Nb4 24.Qd2 Qc7 25.a3 Nc6 26.Rfb1 0–0 27.Rb5 a4 28.Rab1 Rb8 29.Qc2 Qa7 30.Rb8 Rb8 31.Rb8 Qb8 32.Nd2 Ba3 33.Qa4 Bb2 34.Qc2 Bc3 35.Qc3 Qb6 (36.Qc1 Nd4–+) 0–1. Schild,Reinhard – Boettcher,Christian, DESC, 2000.

5.a3 a5 6.ba5 Ra5 7.Bg2 Nbd7 8.d3 Bd6 9.Nbd2 Qe7 10.Nd4 Bg6 11.N2b3 Ra4 12.Nb5 Be5 13.Qc1 c6 14.Be5 Ne5 15.Nc3 Ra6 16.0–0 0–0 17.Qf4 Ned7 18.Qb4 Qb4 19.ab4 Rfa8 20.Ra6 Ra6 21.Na5 Ra7 22.f4 h6 23.h3 Kf8 24.Kf2 Ke8 25.Ke3 Kd8 26.Ra1 Kc7 27.g4 h5 28.Bf3 e5 29.fe5 Ne5 30.g5 Nh7 31.Kf4 Nf3 32.ef3 b6 33.Nb3 Ra1 34.Na1 Nf8 35.h4 Kd6 36.Ne2 c5 37.bc5 bc5 38.Nb3 Ne6 39.Ke3 ½–½. Garcia Camejo,Gonzalo – Triana Ruiz,Jose M, corr Giraldilla Cup, 1999.

5.a3 a5 6.b5 c5 7.a4 h6 8.Bg2 Nbd7 9.c4 d4 10.d3 Qc7 11.Nbd2 e5 12.0–0 0–0–0 13.Nb3 b6 14.Nh4 Be6 15.e3 g5 16.Nf3 Bd6 17.ed4 ed4=+ 18.Nfd4 cd4–/+ 19.Nd4 Bg4 20.Qd2 Rde8 21.h3 Bb4 22.Qc1 Bh5 23.Nc6 Bf8 24.Re1 Rg8 25.Re8 Ne8 26.Qe3 Bd6 27.Re1 Nef6 28.Ne7 Be7 29.Qe7 Ne8?? 30.Qe8!+– Re8 31.Re8 Qd8 32.Rd8 Kd8 33.Bg7 Nc5 34.Bh6 Na4 35.Bg5 Kc7 36.Bf4 Kd7 37.Bc6 Ke6 38.d4 (38...Kf6 39.Be3+–) 1–0. Wall,Bill – Russell,Bob, San Antonio Texas, 1992.

5.a3 c5 6.b5 Nbd7 7.Bg2 Nb6 8.d3 Na4 9.Bf6 Qf6 10.Ra2 c4 11.Qd2 Nb6 12.0–0 Be7 13.a4 cd3 14.cd3 0–0 15.a5 Nd7 16.Nh4 Bg4 17.d4 Rfc8 18.a6 ba6 19.Ra6 Nb6 20.e4 Rc4 21.h3= Bh5 22.e5 Qg5 23.Qd3 Rc7 24.Nd2 Qh6 25.Rfa1 Rac8 26.Nhf3 Rc3 27.Qe2 Bf3 28.Nf3 Rc2 29.Qe3 ½–½. Bendig,Frank (2090) – Razvan,Andrei (1940), IECG, 2000.

5.a3 Nbd7 6.Bg2 Bd6 7.0–0 c6 8.d3 Qe7 9.Nbd2 e5 10.Re1 Nb6 11.c4 Bc7 12.cd5 cd5 13.e4 de4 14.de4 Bd7 15.Rc1 Ba4 16.Qe2 0–0 17.Bh3 Rfd8 18.Nh4 g6 19.Ndf3 Bd6 20.Qe3 Bc6 21.Qh6 Be4 22.Ng5 Bc6 23.f4 Qc7 24.Nf5 Bf8 25.Be5 Qd7 26.Bf6 Bh6 27.Nh6 Kf8 28.Nh7# 1–0. Hayden – Winser, Hastings 1948.

5.b5 Bc5 6.Bd4 Bd4 7.Nd4 –/+.

5.b5 c6 6.a4 Be7 7.Bg2 0–0 8.0–0 Nbd7 9.d3 Qc7 10.Nbd2 h6 11.c4 c5 12.Qe1 d4 13.e4 de3 14.Qe3 Rad8 15.Ne4 Ng4 16.Qe2 Ngf6 17.Rfe1 Rfe8 18.h3 Bg6 19.Bc3 Ne4 20.de4 Nf6 21.Ne5+= Bh7 22.f4 Nd7 23.Nf3 Nf6 24.Nd2 Nd7 25.e5 Nf8 26.Ne4 Rd7 27.Red1 Red8 28.Kf2 Kh8 29.Ke1 Ng6 30.Rd7 Rd7 31.Rd1 Qd8 32.Rd7 Qd7 33.Qd2 Qc8 34.Nd6 Bd6 35.ed6 Nf8 36.b6 a6 37.Bf3 Nd7 38.a5 Kg8 39.Qg2+– Nb8 40.Bb7 Qd7 41.Be4 f6 42.Bh7+– Kh7 43.Qe4 Kg8 44.Qd3 Qc6 45.Kf2 Kf7 46.g4 Nd7 47.Kg3 Kg8 48.Kh2 Kf7 49.h4 Qb7 50.h5 Nf8 51.Be1 Qc8 52.Bf2 Qc6 53.Kg3 Nd7 54.Kh2?? Kg8?? 55.Bg3+– Kf7 56.f5 e5 57.Kg1 Ke8 58.Kf2 Kd8 59.Ke2 Kc8 60.Bf2 Kb8 61.Qd5+– Qd5 62.cd5 Kc8 63.Kd3 Nb8 64.Bc5 Nd7 65.Ba3 Kb7 66.Kc4 Kc8 67.Bc1 Kd8 68.b7 Ke8 69.Be3 Kd8 70.Ba7 +–. Carzolio,L (2040) – Rinaldi,F (1645), Genova open Ducale, 2003.

5.Bg2 Bb4 6.Nd4 Be4 7.f3 –/+.

5.Bg2 Bd6 6.a3=+ Nbd7 7.0–0 0–0 8.d3 h6 9.Nbd2 c5 10.Re1 cb4–/+ 11.Nd4 Bg6 12.e4 de4 13.de4 Be5 14.ab4=+ a5 15.N2f3 Be4?? 16.Ne6 fe6 17.Ne5 Bg2 18.Kg2 Ne5= 19.Re5 Qd1 20.Rd1 Rae8?? 21.Ra5+/– Ng4 22.Rd2 Rf5 23.Rf5+/– ef5 24.Rd7 Nf6 25.Rb7 Re2? 26.Bf6 gf6 27.c4 Re4 28.c5 Rc4 29.h4 h5 30.Rb6 Kf7 31.c6 Ke7 32.b5 f4 33.Rb7 Ke6 34.c7 f5 35.b6 Kd7 36.Rb8 fg3 37.Kg3 Rg4 38.Kh3 Rc4 39.Rd8 (39...Kc6 40.c8Q Kb5 41.b7 Rc8 42.bc8Q Kb6 43.Rd6 Kb5 44.Qc7 Ka4 45.Qb7 f4 46.Ra6#) 1–0. yaunootz – super knight, chesshere.com, 2006.

5.a3 =+.

5.f4 Nc6 6.b5 Na5 7.e3 e6 8.Nc3 Ne4 9.Ne4 de4 10.g3 Be7 11.Bg7+/– Rg8 12.Bc3 b6? 13.Qh5+– Bh4 14.Qh7 Rf8 15.gh4 Ke7 16.Bb4 c5 17.bc6 (17...Ke8 18.Qh6 Bc6 19.Qf8 Kd7 20.Qf7 Kc8 21.Ba5 Qh4 22.Kd1 Qg4 23.Be2+–) 1–0. Wall,Bill – Krusher, internet, 2005.

5.f4 e6!? –/+.

5.Ng6= hg6 6.e3 Qd6 7.Bd4 =.

5.Ng6= hg6 6.e3 e6 7.a3 c5 8.Bb5 Nc6 9.bc5 Bc5 10.0–0 (10.Nc3 a6 11.Be2 b5=+) 10...Qb6=+ 11.Bf6 gf6 (< 11...Qb5 12.Bg7 Rh7 13.Bf6+=) 12.Nc3 a6 13.Be2 Qc7 14.h3 Bd6 15.Qb1 (15.f4 Rd8=+) 15...Kf8 16.Qb2 Kg7 17.Bf3 Ne5 18.Be2 Rh7 19.Rfb1 b5=+ 20.a4 b4 21.Na2 a5 22.c3 Nc4 23.Bc4 Qc4 24.cb4 ab4=+ 25.Rc1 Qe2 26.Re1 Qh5 27.Qc2=+ Qe5 28.f4+= Qf5 29.Qc6+/– Rd8 30.a5 g5 31.Qb6+= Rhh8 32.Nb4 gf4 33.Nc6 Rdg8? 34.Nd4+– Qe5 35.Nf3 Bc7 36.Ne5 Bb6 37.ab6 fe5+/– 38.b7 fe3 39.Re3 Kf6 40.Rf1+– Ke7 41.Re5 Rb8 42.Rb1 Kd6 43.Re3 d4 44.Rf3 f5 45.Rb6 Kd5 46.Rfb3 e5?? 47.d3 (47…Rhc8 48.bc8R Rc8 49.R3b5 Rc5 50.Rc5 Kc5 51.Rf6+–) 1–0. Wall,Bill – Chatrang, Internet, 2004.

5.Ng6= hg6 6.e3 e6 7.a3 Bd6 8.h3 =.

5.Ng6= hg6 6.e3 e6 7.a3 Nbd7 8.c4 dc4 9.Bc4 Nb6 10.Bb5 c6 11.Be2 Bd6 12.f4 Ne4 13.0–0 Rh7 14.d3 Nf6 15.e4 Bc7 16.e5 Nfd5 17.Qc1 Qh4 18.h3= Na4 19.Bd4 Kd7 20.Bf2?? Qf4 21.d4–/+ Rf8 22.Ra2 f6 23.Qf4 Nf4–/+ 24.Bd1 Nb6 25.ef6 gf6 26.Bc2 f5 27.Re1 Nbd5 28.Nd2 Nc3 29.Bd1?? Na2–+ (30.Nb3 b6–+) 0–1. Seack,Ingo – Katzensteiner, corr SOK–88–20, 1989.

4.Nd4 Bg6 5.e3 e6 6.Nf3 Nf6 Black gets the initiative 7.a3 a5 8.c4 ab4=+ 9.ab4 Ra1 10.Ba1 Bb4 11.cd5= ed5 12.Bb5 c6–/+ 13.Ba4 Bh5 14.Bc3 Bc3–+ 15.Nc3 Nbd7 16.0–0 Ne5!? (17.Bc2 Qc8–+) 0–1. wlittle (2235) – redrook (2430), net–chess.com, 2004.

4.e3 c6 5.Be2 Nd7 6.0–0 Qc7 7.d4 e6= 8.a3 Bd6 9.c4 dc4 10.Bc4 Nb6 11.Bb3 Bg4 12.h3+= Bh5 13.Nc3 Nf6 14.Rc1 Qd7 15.e4 Nh7 16.Qd3 a6 17.d5 0–0 18.Ne2 Bf3 19.Qf3 ed5+= 20.ed5 Nd5 21.Rcd1 Rad8=+ 22.Rfe1 Nhf6 23.Nd4 Rfe8 24.Re8 Re8=+ 25.Nf5 Qe6 26.g3 Be5= 27.Re1 Nd7 28.Qg4 g6 29.Nh6 Kg7 30.Qe6 Re6= 31.Bc1 f5 32.Kg2 Re7 33.Bd5+= cd5 34.g4 fg4 35.Bg5 Re8 36.Ng4= Kf7 37.Rd1 Ke6 38.Re1 Kf7 39.Nh6 Kf8 40.Re3 Bf6 41.Re8 Ke8=+ 42.Bf6 Nf6 43.Ng4 Nd7 44.Kf3= Ke7 45.Ke3 Ke6 46.Kd4 b5 47.Ne3 Nf6 48.f4 Kd6 49.f5 g5 50.Ng4 Nd7 51.Ne3 Nf6 52.Nd1 Ne4 53.Ne3 Nf2 54.Nd5+= Nh3 55.Nf6 Nf2 56.Ne4 Ne4 57.Ke4 Ke7 58.Ke5 Kf7 59.Kd5 Kf6 60.Ke4 g4 61.Kf4 g3 62.Kg3 Kf5 ½–½. Buczinski,Henryk – Kowalski,Z, Siemianowice Slaskie, 1992.

4.e3 Nf6 5.c4 Nc6 6.cd5 Nd5 7.a3 e6 8.Bb5 a6 9.Bc6 bc6 10.Nd4 Bd3 11.Nc6 Qg5 12.Qf3 Bd6 13.Nc3 0–0 14.Ne4 Be4 15.Qe4 Rfe8 16.0–0 Qh5 17.g3 Qh3 18.Rac1 Nf6 19.Bf6 gf6 20.d4 f5 21.Qf3 Kh7 22.a4 Rg8 23.Rfe1 h5 24.a5 Rg7 25.Qe2 Rag8 26.Rc2 h4 27.Qh5# 1–0. Machete99 – Jamonitjo, ICC, 2002.

5.c4 dc4 6.Bc4 Ngf6 7.0–0 e6 8.a3 Bd6 9.Nc3 c6 10.Re1 Qc7 11.d4 Bg4 12.h3 Bh5 13.g4 Ng4 (Better is 13...Bg6!?=) 14.hg4+/– Bg4 15.Be2 g5 16.e4 f6 17.Nd2 Be2 18.Qe2 0–0–0 19.Rac1 Kb8 20.Qg4 Bh2 21.Kg2 Bf4 22.Rc2 Qd6 23.Na4 h5 24.Qe2 h4 25.Nc5 h3 26.Kh1 Rh4 27.Nd7 Rd7 28.Rg1 f5 29.Nf3 Rg4 30.Rg4 fg4 31.Ng5 Bg5= 32.Qg4 Qf4 33.Qf4 Bf4 34.Re2 e5!–+ 35.Re1 ed4 36.Bc1 Be5 37.f4=+ Bg7 38.e5 d3 39.Bd2 Bh6 40.Kh2 Rh7 41.e6 Bf8 42.Re3 Re7 43.Kh3 Bh6 44.Re4 Kc7+/– 45.Kg4 Kd6 46.Kh5 Re6 47.Re6 Ke6 48.Kh6 Kf5 49.Kg7 b6 50.Kf7 c5 51.b5 c4+= 52.Ke7 Ke4 53.Ke6 Kd4 54.f5 c3 55.Bc3 Kc3 56.f6 d2 57.f7 d1Q 58.f8Q Qb3 59.Kd7?? Qb5–+ 60.Kd8 Qd5 61.Ke8 Qa8 (62.Ke7 Qf8 63.Kf8 Kb3–+) 0–1. Larsen,Andreas – Pedersen,Johnny K, NNM Tromsoe, 1999.

5.d4 Ngf6 6.c4 dc4 7.Bc4 Nb6 8.Bb3 e6 9.b5 Be7 10.0–0 0–0 11.Nc3 Ne4 12.Rc1 Nc3 13.Rc3 Be4 14.a4 Nd5 15.Rc1 Bd6 16.Ne5 Qh4 17.Qg4 Qg4 18.Ng4 h5 19.Ne5 Nb4 20.Rfd1 Be5 21.de5 Nd3 22.Rc2 Nb2 23.Rb2 c5 24.f3 Bg6 25.e4 b6 26.Rbd2 a6 27.Bc4 ab5 28.Bb5 f5 29.Rd6 fe4 30.Re6 Bf7 31.Rb6 ef3 32.Rc6 Bb3 33.Rd7 Rfb8 34.Rg6 Bf7 35.Rgd6 Be8 36.Rc7 Bb5 37.ab5 Rb5 38.Rdd7 Ra2 39.Rg7 Kf8 40.Rb7 Rb7 41.Rb7 Re2 42.e6 Re6 43.Rc7 c4 ½–½. Diaz Lombardo,I (2045) – Villanueva,Ma (2000), Mercenarios, 1999.

5.a3 a6 6.c4 dc4 7.Bc4 b5 8.Be2 Nf6 9.Nc3 c5 10.0–0 c4 11.Nd4 Bg6 12.Bf3 Nd5 13.Re1 Be7 14.Bd5+/– ed5 15.Qf3 Ra7 16.Nd5 0–0 17.Ne7 Re7 18.Red1 Qd7+= 19.Rac1 f6 20.Rc3 Re5 21.Rdc1 Rfe8 22.a4?? Be4?? 23.Qg3?? Rg5–+ 24.Qf4 Rg2 25.Kf1 Rg4 26.Qg4 Qg4 0–1. wlittle (2175) – mpenga (2485), net–chess.com, 2004.

5.a3 c5 6.c4 Nf6 7.Be2 Nbd7 8.0–0 cb4 9.ab4 Bb4 10.d4 0–0 11.Nc3 dc4–/+ 12.Bc4 Rc8 13.Nd2? b5! 14.Bb5 Bc3 15.Bc3 Rc3 16.Ra7 Nb6 (17.Qa1 Rc2–+) 0–1. clochard (2200) – redrook (2585), net–chess.com, 2004.

5.a3 Nf6 6.Bb5 c6 7.Be2 =.

5.c4 Bg4 6.Be2 f6 7.h3 Bh5 8.cd5 Qd5 9.Nc3 Qd8 10.g4 Bg6 11.Qb3+= Bf7 12.Bc4 Qe7 13.Nb5 c6= 14.Nbd4 e5 15.Nf5 Bc4 16.Qc4 Qd7 17.d4 Na6 18.a3 g6? 19.de5 gf5+/– 20.Rd1 b5 21.Qb3 Qe7? 22.ef6+/– Nf6 23.Nh4 Nd5? 24.Bh8 Qh4 25.Rd4?? 0–0–0+= 26.gf5 Qe7 27.Qd3 Re8 28.f6 Qf7 29.Rg1 Nac7 30.Rg6 Qh7?? 31.Bg7+/– Bg7 32.fg7 Kb7 33.Rdg4 Ne7 34.Rd6+– Qg8 35.Rh6 Qf7 36.Qd7 Rg8 37.Rc6! Rc8 38.g8Q! Qg8 39.Rg8 Ng8 40.Rc7! Rc7 41.Qd5 (41...Kb6 42.Qg8 Rc1 43.Kd2+–) 1–0. pumpkin (2145) – bienopia (2100), net–chess.com, 2003.

4.Bg2 Bb4 5.Bg7 Be4 6.Be4 +– (6.Bh8 Bg2 7.e3 Bh1 –/+).

4.Bg2 Nc6 5.b5 Nb4 (Better is 5...Na5=+) 6.d3+/– c6 7.a3 Nd3 8.cd3 Qa5 9.Bc3 Qb5 10.Nd2 c5 11.Ngf3 d4?? (Better is 11...Ne7+–) 12.Rb1 Qd7 (12...Qa6 13.Nd4! cd4 14.Bb7 dc3 15.Ba6 cd2 16.Qd2 Be7+–) 13.Bb2 c4?? 14.Nc4 Nf6 15.Nd4 Ng4 16.Nf5 ef5 17.Ne5 Qc7 18.Ng4 fg4 19.0–0 Bc5 20.Bg7 Rg8 21.Qa4 Kd8 22.Bf6 Be7 23.Rb7 Rb8 24.Rc7 Bf6 1–0. audrey – radi8288, Live Game Caissa's Web, 2004.

5.Bg2 Bd6 6.Nf3 Nbd7 7.0–0 0–0 8.d3 c6 9.Nbd2 a5 10.c3 e5 11.Re1 Qe7 12.e4 de4 13.de4 Be6 14.Ng5 h6 15.Ne6 Qe6 16.Qe2 Nb6 17.Bf1 Na4 18.Nc4 Nb2 19.Qb2 ab4 20.cb4 Bc7 21.Qc2 Nd7 22.Ne3 Nb6 23.Red1 Rfd8 24.Rd8 Rd8 25.a4 g6 26.a5 Nd7 27.Bc4 Qf6 28.Ng4 Qg5 29.Qe2 Nf6 30.Nf6 Qf6 31.Ra3 Rd7 32.Qg4 Re7 33.h4 Kg7 34.Rd3 c5 35.bc5 Ba5?? 36.Rd6+– h5 37.Qe2 Re6 38.Be6 fe6 39.Rd7 Kg8 40.Qa2 Bc3 41.Qa8 (41...Qf8 42.Rd8 Qd8 43.Qd8 Kf7 44.Qc8+–) 1–0. BlueNoteTokyo (2365) – Oilalio (2065), Dos Hermanas Internet Section, 2003.

5.Bg2 Be7 6.d3 0–0 7.Nf3 h6 8.0–0 Nbd7 9.Nbd2 c5 10.bc5 Nc5 11.a4 Rc8 12.c4 b6 13.h3 dc4 14.Nc4 Nd3 15.ed3 Bd3 16.Ne3 Bf1 17.Qf1 Bc5 18.Qe2 Qe7 19.Ne5+= Rfd8? 20.Nc6+/– Rc6 21.Bc6 Qd6 22.Rd1 (22...Qc7 23.Rd8 Qd8 24.Be5+–) 1–0. guest3515 – guest5449, ICC, 2006.

5.Bg2 Be7 6.d3 Nbd7 7.Nd2 0–0 8.Ngf3 h6 9.0–0 Rc8 10.c4 c5 11.Qa4 cb4 12.ab4 a6 13.Rfc1 dc4 14.dc4 Ne4 15.Rd1 Rc6? 16.Ne4 Be4+= 17.Ne5 b5 18.Nc6 Bc6 19.Qa6 Bg2 20.Qb5 Bd5 21.cd5 e5 22.Ra7 Nf6 23.Be5 Re8 24.d6 Bf8 25.d7 Re6 26.Bc7 (26...Qd7 27.Rd7 Nd7 28.Qd7+–) 1–0. Bendig,Frank – Frenzel,Lothar, corr SOK–92–83, 1992.

5.a3 c5 6.b5 –/+.

5.a3 Nbd7 6.Nf3=+ Nb6 (6...c5 7.bc5 Bc5 8.0–0=+) 7.d3 (7.0–0 Nc4 8.Bd4 Bd6=) 7...c5=+ 8.c3 (8.bc5 Bc5 9.Nd4 Bg6=+) 8...Rc8 (8...Be7 9.Nh4=+) 9.Nbd2 (9.Nh4 Bg4=+) 9...Bd6 (9...Be7 10.0–0=+) 10.bc5 (10.0–0 Qe7=+) 10...Bc5 11.0–0 0–0 12.Qb3 (12.Nb3 Bd6=+) 12…Bd6 (13.Nd4 Bg6=; 12...Qe7!?=+). Laurent,C – Denis,F, corr Telecomm, 1995.

5.a3 Be7 6.Nf3 0–0 7.0–0 h6 8.c4 c6 ½–½. Kunszt – Puschmann, Hungary 1992.

5.c3 c5 6.bc5 Bc5 7.Ba3 =+.

5.c3 Bd6 6.Nf3=+ 0–0 7.d3 (7.0–0 a5=+) 7...a5 8.b5 c6 9.bc6 (9.0–0 cb5 10.Nd4 Re8=+) 9...bc6 (9...Nc6 10.Qb3=+) 10.Nh4 Bg4 11.0–0 Qb6 12.Qc2 Nbd7 13.h3? Bg3–+ 14.Nf3 Bf3 15.Bf3 Bb8 16.Bg2 Qc7 17.Rd1 Qf4 18.Nd2 a4 19.Ba3 Bd6 20.Bc1 Qf5 21.e4 Qg6 22.Nf1 Rfb8 23.Be3 Nh5 24.d4 Ndf6 25.Nd2 Nf4 26.Bf4 Bf4 27.f3 c5 28.Rab1 Rb1 29.Rb1 Rc8 30.Qd1 Bd2 31.Qd2 de4 32.Rf1 cd4 33.cd4 h6 34.fe4 Ne4 35.Qb2 Qg3 36.Rf3 Qd6 37.Re3 Qf4 38.Re1 Nd2 39.Kh1 Nf3 40.Bf3 Qf3 41.Qg2 Qg2 42.Kg2 Rc2 43.Kf3 Ra2 44.d5 ed5 45.Rd1 0–1. Domenche Redondo – Ganesan, corr 3GMM–19, 1997.