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1.b4 e6

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2.a3 Bb4?? 3.ab4+– d6 4.c3 Bd7 5.Nf3 Nc6 6.e3 Nb4? (6...e5+–) 7.cb4 a5 (7...e5 8.e4+–) 8.ba5 Ra5 (8...e5+–) 9.Ra5 b6 10.Ra3 b5 11.Be2 Nf6 12.0–0 0–0 13.d4 Qe7 14.Bb2 Rb8 15.Nbd2 Bc6 16.Rb3 Ne4 (16...b4 17.Qa1+–) 17.Ne4 Be4 18.Bd3 Bd3 19.Qd3 c5 (19...b4 20.Qc3! c5 21.dc5+–) 20.dc5 dc5 21.Qc3 (better is 21.Rb5 Rb5 22.Qb5 Qd8+–) 21...Rd8 (21...f6+–) 22.Qg7 1–0. Fournier,Frederic (1925) – Borromeo, Active Blind, 2008.

2.a3 d6 3.Bb2 (--> 2.Bb2 d6 3.a3).

2.a3 g5 3.Bb2+= f6 4.e3 Bg7 5.c4 Nh6+= 6.Be2 0–0 7.Nf3 g4 8.Nh4 b6 9.d4 Bb7 10.Bg4+/– Ng4 11.Qg4 f5 12.Qg3 d5 13.Nd2 dc4 14.d5! f4?? 15.Qg7 1–0. Whiterose – crazy 8, ChessWorld.net, 2005.

2.a3 h6 3.e4 Nf6 4.e5 Nd5 5.c4 Ne7 6.d4 d5 7.Nc3 c6 8.Nf3 Nf5 9.c5 b5 (9...b6!?+=) 10.a4+/– ba4 11.Qa4 Be7 12.Bd3 0–0 13.0–0 Re8 14.Bf4 Nh4 15.Nh4 Bh4 16.Rfc1 Nd7? 17.Qc6 Rb8 18.Qa4 Rb7 (18...Nf8 19.Nb5 Ng6 20.Bg6 fg6 21.Na7+–) 19.c6 Rc7 20.cd7 Bd7 21.b5 Qb8 22.Ne2 Rb7 23.Rab1 a6 (23...Be7 24.Qa5+–) 24.Qa6 Bc8 (24...Be7 25.Qa5+–) 25.Qd6 Rd7 (25...Bd7 26.Qb8 Reb8+–) 26.Qb8 (26.Qb8 Rdd8 27.Bd2+–) 1–0. pozarski (1985) – NN, GameColony.com, 2002.

2.a3 Nh6 3.e4 Qf6 4.c3 Bd6 5.Nf3 Ng4 6.Be2 Bf4 7.g3 Bd6 8.Qc2 h5 9.d4+/– h4? 10.Bg5 Qg6 11.gh4 f6 12.Be3 e5 13.Nbd2 f5 14.ef5+– Qf6? 15.Ne4 Qf5?? 16.Nd6 cd6 17.Qf5 Ne3 18.fe3 Rf8 19.Qg6 Kd8 20.Qd6 Rf6 21.Qe5 d6 22.Qg5 Nd7 23.Qg7 Kc7 24.d5 Rf5 25.e4 Rf3 26.Bf3 Kb8 27.Qe7 a6 28.Qd6 Ka7 29.a4 Rb8 30.b5 Nb6 31.ba6 ba6 32.Rg1 Nd7 33.Kf2 Rb2 34.Be2 Rb6 35.Qc7 Rb7 36.Qc8 Nb6 37.Qc5 Rf7 38.Ke1 Rb7 39.Rb1 Ka8 40.a5 Rb8 41.Qc6 Rb7 42.Rg8 Ka7 43.ab6 Rb6 44.Qb6 1–0. jimmyjf – tonycally, ChessWorld.net, 2004.

2.Ba3 a6 3.c3 d5 4.d4 b5 5.e3 Nf6 6.Bd3 Nc6 7.h3 a5 (7...e5!?+=) 8.Nf3 ab4 9.cb4?? (9.Bb5 Bd7 10.Bc6 Bc6 11.Bb4+= (11.cb4? Ra3 12.Na3 Bb4 13.Ke2 Ba3–+)) 9...Ba6?? (better is 9...Ra3!? 10.Na3 Bb4 11.Ke2 Ba3 12.Bb5 0–0=) 10.0–0 Na7 11.Nc3 c6 12.Ne5 Bd6 13.Qf3 Qc7 14.Ng4 Ng4 15.Qg4 g6 16.Qh4 Be7 17.Qg4 0–0–0 (17...Bd6 18.Rfc1+=) 18.Qf4 (better is 18.Qf3!?+/–) 18...Qf4= 19.ef4 f5 20.Ne2 Kd7 21.Ng3 Bd6 22.Ne2 Nc8 23.h4 Ne7 24.Nc3 Ng8 25.Be2 Bf4 26.g3 Bd2 27.Nd1 Nf6 28.f4 Ne4 29.g4 Ng3 30.Rf3?? (30.Rf2 Bf4! 31.Bd3–+) 30...Ne2 31.Kf2 Nd4 32.Rd3 Nc2 33.Rb1 Na3 34.Ra3 Bb7 35.Ra7 Kc7 36.a4 Ra8 37.Ra8 Ra8 38.a5 Bf4 39.gf5 ef5 40.Kf3 Bd6 41.Nf2 Re8 42.Ra1 Bb4 43.a6 Ba8 44.Nd3 Bd6 45.a7 d4 46.Nc1 Re1 47.Kf2 Rh1 48.Ke2 Rh4 49.Nd3 Kb7 50.Nf2 Be5 51.Nd3 Rh2 52.Nf2 Bg3 53.Kf3 Bf2 54.Ra3 Rh3 (54...Rh3 55.Kf2 Ra3 56.Ke2 Re3 57.Kf2 f4 58.Kf1 d3 59.Kf2 d2 60.Kg2 d1Q 61.Kf2 Qd2 62.Kf1 Re1#) 0–1. Petra Vreeswijk – wullie54, ChessWorld.net, 2012.

2.Ba3 b5 3.Nf3 Nf6 4.Nc3 c6 5.e4 a5–+ 6.e5 ab4 7.ef6 Qf6 8.Ne4 Qf5?? 9.Nd6?? Bd6–+ 10.Bb2 Bb7 11.Bg7 Rg8 12.Bd3 Qg4 13.Bb2 h6 14.Be5? Be5 15.Ne5 Qd1 16.Kd1 Rg2 17.Ke2 c5 18.Bb5 Rg5 19.f4 Rg2 20.Kd3 Ra3 21.c3 bc3 22.dc3 Rga2 23.Ra2–/+ Ra2 24.Rg1 Nc6 25.Rg8 Ke7 26.Bc4? Ne5–+ 27.fe5 Rh2 28.Rg3 Bg2 29.Ke3 Bd5 30.Be2 Rh4 31.Bg4 h5 32.Bh3 Re4 33.Kd2 Re5 34.Rg1 Kd6 35.Bf1 h4 36.c4 Bc6 37.Bh3 Re4 38.Kd3 Rd4 39.Kc3 Rf4 40.Rd1 Ke7 41.Kb3 (41.Rf1 Rf1 42.Bf1–+) 0–1. pinecrest1981 – fresh, caissa.com, 2004.

2.Ba3 c5 3.bc5+= Na6 4.d4+/– Nh6 5.e4 Qf6 6.e5 Qf5 7.h3 Be7 8.g4?? Qe4–+ 9.Qe2 Qh1 10.Nf3 Ng4! 11.hg4 Qh6 12.Nbd2 f6 13.0–0–0 fe5 14.Ne5 0–0 15.Nef3 Qf4 16.g5 Bg5 17.Qe3?? Qf3! 18.Qg5 Qa3 19.Kb1 Nb4 20.Bc4 Qc3 21.Rc1 Rf2 22.d5 Qd2 23.Qd2 Rd2 24.Bb3 Nd5 (24...Nd5 25.Kb2 Nf6–+) 0–1. breaker – tonycally, ChessWorld.net, 2004.

2.Ba3 Be7 3.g3 a5 4.Nc3?? (better is 4.b5=) 4...ab4–+ (4...Bb4?! 5.Bb2–/+) 5.Bb4 Bb4 6.Rb1 (6.Nb5 d5–+) 6...Bc3 7.dc3 Ra2 8.Ra1 Ra1 9.Qa1 b6 10.Bg2 Na6 11.Be4 f5 12.Ba8 Ne7 13.Nf3 0–0 14.0–0 Nc5 15.Kg2 (15.Nd4 d5 16.Nc6 Nc6 17.Bc6 Ba6–+) 15...Bb7 (better is 15...Ba6 16.c4 Qa8–+) 16.Qa7 (16.Bb7 Nb7 17.Qa4–+) 16…Ba8 0–1. chessdudesam – maddoxdb, gameknot.com, 2012.

2.Ba3 g6 3.b5 Bg7 4.c3 Ne7 5.e4 d6 6.d4 b6 7.Nf3 Bb7 8.Bd3 Nd7 9.0–0 0–0 10.Ng5 h6 11.Nf3 f5 12.ef5 gf5 13.Nh4 Nf6 14.Nf3 Ne4 15.Qe1 Ng6 16.Nfd2 Nf4–/+ 17.Ne4?? Nd3–+ 18.Qe2 fe4 19.Nd2 Nf4 20.Qe3 Qg5 21.g3 Nh3 22.Kg2 Qe3 23.fe3 Ng5 24.h4 Rf1 25.Rf1 Nf3 26.Nb3 a6 27.Ra1 ab5 28.Bb2 Bd5 29.Nc1 Bc4 30.a3 h5 31.Kf2 Bh6 32.Ne2 Rf8 33.Nf4 Bf4 34.gf4 Rf7 35.a4 Nh4 36.ab5 Bb5 37.Ra8 Kh7 38.Kg3 Nf5 39.Kf2 Rg7 40.Rc8 h4 41.Ra8 h3 42.Ra1 Rg6 43.Rh1 Rh6 44.d5 ed5 45.c4 Bc4 46.Bd4 b5 47.Ke1 b4 48.Rg1 c5 49.Bg7 0–1. pinecrest1981 – Alacran, caissa.com, 2004.

2.Bb2 b6 3.Nf3 Bb7 4.c4 Nc6 5.b5 Na5 6.e3 Qe7 7.Qc2 Nf6 8.Ba3 d6 9.Be2 a6 10.0–0 ab5 11.cb5 Qd7 12.Ne5 de5 13.Bf8 Kf8 14.Nc3 g6 15.Rac1 Kg7 16.Bf3 Bf3 17.gf3 Rac8 18.Ne4 Nd5 19.Qb2 f6 20.Kh1 Nb7 21.f4 ef4 22.ef4 Nd6 23.Ng5 Nf4 24.Rfe1 Rhe8 25.Ne4 Ne4 26.Re4 Nd3 27.Rd4 Qd4 28.Qd4 Nc1 29.Qd7 Kg8 30.d4 Rcd8 31.Qc7 Rd4 32.Qb6 Red8 33.a4 Ne2 34.a5 Nf4 35.a6 Rd1# 0–1. guest1444 – guest505, ICC, 1999.

2.Bb2 Qf6?? 3.Bf6+– gf6 4.c3 c5 5.bc5 Bc5 6.e3 Nh6 7.Nf3 f5 8.Be2 Ng4 9.0–0 f4 10.ef4 Bf2 (10...d5 11.f5! Nc6 12.fe6 Be6 13.Qa4+–) 11.Rf2 b6 12.Rf1 Bb7 13.d4 Na6 14.Ba6 d5 15.Bb7 Rc8 16.Bc8 0–0 17.Ba6 Kh8 18.Bd3 Rg8 19.Nbd2 f6 20.Ne5! f5 21.Ng4 Rg4 22.Rf2 Rg8 23.Nf3 e5 24.de5 a5 25.Qc2 b5 26.a3 d4 27.cd4 b4 28.ab4 ab4 29.Rb1 b3+– 30.Qb3 h5 31.Qb8! Rb8 32.Rb8 Kh7 33.Rb7 Kh6 34.Ng5 h4 35.g3 hg3 36.hg3 Kh5 37.Kg2 (37.Kg2 Kg6 38.g4 Kh6 39.Rh7 Kg6 40.Bf5; 37.Bf5 Kh6 38.Rh2) 1–0. Fournier,Frederic (1975) – ipafla (1665), Active, 2009.

2.Bb2 g6?? 3.Bh8 f6 4.a3 Kf7 5.d4 Nh6 6.e4 Kg8 7.Bf6 Qf6 8.e5 Qf4 9.Nc3 Ng4?? (9...Nc6 10.Nf3 d5+–) 10.Nh3 Qf5 11.Bd3 Qh5 12.Be2 Qh3 (12...Qh4 13.Bg4 d6+–) 13.gh3 Nh6 14.h4 d5 15.h5 g5 16.h4 (better is 16.Qd2 Be7+–) 16...Nf7 17.hg5 Ng5 18.Rg1 h6 19.f4 Be7 20.fg5 Bg5 21.Qd3 Kh8 (21...Nd7 22.Qg6 Kf8 23.Rf1 Bf6 24.ef6 Nf6 25.Rf6 Ke7 26.Qg7 Kd6 27.Nb5 Kc6 28.Qc7) 22.Qg6 Nc6 (22...a6 23.Bd3 Bh4 24.Ke2 Nc6 25.Qh6) 23.Rg5 hg5 24.h6 Nd4 25.Qg7 1–0. Fritz11 – jumbo, casual, 2013.

2.b5 Ne7 3.Bb2 Ng6 4.a4 e5 5.Nf3 d6 6.e4 Be7 7.c4 0–0 8.Nc3 Nd7 9.Nd5 Nc5 10.Ne7 Qe7 11.Qc2 Bg4 12.Be2 Nf4 13.h3 Bf3 14.Bf3 Ncd3 15.Kf1 Nb2 16.Qb2 Qg5 17.g3 Nh5 18.Qc3 f5 19.ef5 Ng3?? 20.fg3+– Qg3?? 21.Bd5 (21.Bd5 Kh8 22.Qg3 Rf5 23.Ke2+–) 1–0. poganinbezdom – zetka, kurnik, 2011.

2.b5 f6 3.Bb2 (--> 2.Bb2 f6 3.b5).

2.b5 g5 3.Bb2 f6 4.e4+= e5 5.Qh5+/– Ke7 6.Nc3 Nh6 7.Nd5+– Ke6 8.Bc4 d6?? 9.Nc7 Kd7 10.Na8 b6 11.Bd5 Ke7 12.Qe2 Bg4 13.Qc4 Ke8 14.h4 Bg7 15.d4 Nd7 16.f3 Bh5 17.Nc7 Kf8 18.Ne6 Ke8 19.hg5 Bg6 20.gh6 Bf8 21.Nd8 Kd8 22.Qc6 Be7 23.Be6 Ke8 24.Qc8 Bd8 25.Qd7 Kf8 26.Qg7 Ke8 27.Bd7 1–0. Taulien,Hans_Juergen – Franziska,Franzi, remoteschach.de, 2002.

2.b5 g6 3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 g6).

2.b5 h5 3.e4 a6 4.d4 c6 5.ba6 ba6 6.Nf3 Bb4 7.c3 Bd6 8.Bd3 Qe7 9.Bg5 f6 10.Nh4?? fg5+– 11.Ng6 Qf7?! 12.Nh8 Qf6 13.Qh5 Ke7 14.e5 Be5 15.Ng6 Qg6 16.Bg6 Bf6 17.Qh8 Kf8 18.0–0 d6 19.Bh7 Nd7 20.Re1 g4 21.Re6 a5 22.Qg8 1–0. Taulien,Hans_Juergen – Tone,Gollen, remoteschach.de, 2002.

2.c3 Na6 3.Bb2 c5 4.bc5 Nc5 5.e3 Na6 6.Nf3 Qc7 7.Qc1 Bc5 8.Be2 Ne7 9.d4 Bd6 10.0–0 Ng6 11.Nbd2 0–0 12.a3 Re8 13.c4 Be7 14.c5 d5 15.Bc3 Bd7 16.Rb1 Bf6 17.Bd3 Re7 18.Qc2 Rae8 19.Ba6 ba6 20.Qd3 e5 21.Rfe1?? ed4?? 22.ed4 Re1 23.Re1 Re1 24.Ne1 Bd4?? 25.Bd4 Nf4 26.Qc3?? Ne6 27.Qa1 Nd4 28.Qd4 Qa5 29.Qe3 Bc6 30.Ndf3 d4 31.Nd4 Qb5 32.Nb5 Bb5 33.Qc3 h6 34.Qc1 f5 35.c6 Bc6 36.Qc6 (36.Qc6 g5 37.Qg6 Kf8 38.Qh6 Kf7 39.Qg5 Ke6 40.Qg6 Ke5 41.Nf3 Kd5 42.Qf5 Kd6 43.Qf6 Kd5 44.Qe5 Kc4 45.Qd4 Kb3 46.Qd3 Ka2 47.Nd4 Ka1 48.Qc2 a5 49.Nb3) 1–0. Fournier,Frederic (1900) – alekos (2005), Active Blind, 2008.

2.c3 b5 3.e4 a6 4.d3 e5 5.Nf3 Nc6 6.Nbd2 h6 7.Be2 Qf6 8.0–0 d6 9.a3 Qg6 10.Nh4 Qg5 11.g3 Be7 12.Ndf3 Qf6+= 13.Ra2 g5 14.Nf5 Bf5 15.ef5 Qf5 16.Be3 h5 17.Qd2 f6 18.Ne1 g4 19.Ng2 h4 20.Nh4 Qh5 21.Qd1?? f5=+ 22.Kg2?? Bh4–+ 23.gh4 Qh4 24.Rh1 f4 25.Bc1 f3 26.Bf3 Qh3 27.Kg1 gf3 28.Bg5 Qg2 0–1. sburritt – nwishn (1900), net–chess.com, 2006.

2.c3 Qg5 3.e3 Qg6 4.Bb2 Bd6 5.Nf3 c6 6.d4 b5 7.Bd3 f5 8.g3 Bb7 9.Nbd2 h6 10.Qc2 Nf6 11.a3 c5? 12.dc5+– Bc7 13.0–0 Nc6 14.Rad1 0–0 15.Be2 e5 16.Rfe1 Kh8 17.Nf1 e4 18.Nh4 f4?? 19.Ng6 Kg8 20.Nf8 Kf8 21.ef4 e3 22.Ne3 Ne7 23.Bf1 Rc8 24.Bg2 Bg2 25.Kg2 Bb6 26.cb6 ab6 27.h4 Ned5 28.Nd5 Nd5 29.c4 bc4 30.Qc4! Rc4 31.Rd5 Rb4 32.ab4 Kg8 33.Be5 Kh7 34.Red1 g6 35.Rd7 (35.Rd7 Kg8 36.Rg7 Kf8 37.Rd8) 1–0. Fournier,Frederic (1865) – masmago (1760), Active, 2008.

2.c3 Nh6 3.Nf3 Qf6 4.g3 e5 5.h4 d5 6.d3 Qc6 7.Ne5+= Qf6 8.f4 Ng4 9.Ng4 Bg4= 10.Bh3 Be6 11.Ba3 a6 12.Be6 Qe6= 13.d4 Qe3 14.Rh3 Qg1 15.Kd2+= Qg2 16.Qh1 Qh1 17.Rh1 c6 18.Kd3 Nd7 19.e3 b6 20.g4 a5+= 21.ba5 Ra5 22.Bb4 Bb4 23.cb4+/– Ra8 24.g5 g6 25.Rc1 Rc8 0–1. sbderkach (1680) – nwishn (1900), net–chess.com, 2006.

2.Nc3?? Be7 3.a3 d6 4.Nf3 Bd7 5.Bb2 Nc6 6.e3 Nf6 7.b5 Na5 8.a4 a6 9.Rb1 ab5 10.Nb5 c6 11.Na3 h6 12.Bd3 g5 13.0–0= b6 14.Bd4 c5 15.Ba1 Rh7?? 16.Bh7 Nh7 17.g3 Rb8? 18.Nb5+– Bb5 19.Rb5 Nb7 20.c4 Qd7 21.Rb6 d5 22.Qb1 dc4 23.Qh7 Qa4 24.Qh8 Kd7 25.Qb8 Bd6 26.Qb7 Bc7 27.Ne5 Ke7 28.Qc7 Kf6 29.Qf7 1–0. esko – flocanstein, net–chess.com, 2001.

2.c4?? Nf6 (--> 1.b4 Nf6 2.c4 e6).

2.d3?? Bb4 3.c3 Ba5 4.g4 Qf6 5.Bb2 Bb6 6.Nf3 d5 7.Qd2 c5 8.Qg5 Qg5–+ 9.Ng5 h6 10.Nf3–/+ Nf6 11.Ne5 Nbd7 12.Nd7 Bd7 13.Nd2 Ng4 14.f3 Ne3 15.Bh3 Nc2 16.Kd1 Na1 17.Ba1 e5 18.Bg2 0–0 19.c4 d4 20.Ne4 Ba4 21.Ke1 f5 22.Nd6 Ba5 23.Kf1 Bd2 24.Nb7 Rab8 25.Nd6 Rb1 26.Kf2 Be3 27.Kg3 f4 28.Kg4 Bd7 29.Kh4 Bf2 30.Kh5 Kh7 31.Rb1 g6 0–1. bsjostedt – petre, net–chess.com, 2005.

2.d3?? b6 3.c3= Bb7 4.e4 Nf6 5.Nf3 Be7 6.g3 (6.Be2 0–0=) 6...d6 7.Ba3 0–0 8.Bg2 Nc6 9.0–0 Ng4 10.b5 Nce5 11.Ne5 Ne5 12.c4 (12.f4 Nd7=) 12...a6 (12...Bf6 13.Nc3–/+) 13.ba6 Ra6 14.Bb2 Bf6 15.Nc3 c6 16.f4 Ng6 17.Rf2? (better is 17.d4=) 17...Bd4–+ 18.Qf3 Bf2 19.Qf2 Ne7 20.Rf1 c5 21.a3 Qc7 22.Nb5 Qd7 23.Qf3 Nf5 (23...d5!?–+) 24.Qg4–/+ g6?? (better is 24...Nd4 25.Nd4 cd4 26.Bd4 f5–/+) 25.ef5+– ef5 (25...Bg2 26.fg6 fg6 27.Kg2+–) 26.Qg5 (better is 26.Qh4!? f6 27.Bb7 (27.Bf6?! Bg2 28.Kg2 d5+/–) 27...Qb7 28.Nc3+– (28.Nd6?! Qe7 29.Nb5 Qe3 30.Rf2 Qd3+/–)) 26...Bg2?? (better is 26...f6 27.Bf6 Bg2 28.Kg2 d5+/–) 27.Qf6 (27.Qf6 Bf1 28.Qg7; 27.Kg2?! f6 28.Bf6 d5+/–) 1–0. Sundfar – Nicola, playchess.de, 2004.

2.d3?? d5 3.Bb2 Bb4–/+ 4.Nd2 Nf6 5.g4 Ng4 6.Bg7 Rg8 7.Bd4 Qh4?? 8.Nh3?? e5 9.Be3 Ne3 (9...Ne3 10.Qb1 Nf1 11.Rf1 Bh3–+) 0–1. xtom (1635) – regan29 (1780), kurnik, 2011.

2.d3?? Nf6 3.c3 Be7 4.Nf3 c6 5.Bg5 d5 6.Nd4 Qc7 7.Qa4 Bd7 8.Qa5 Qa5 9.ba5 c5 10.Nf3 Nc6 11.e4 de4 12.de4 Ne4 13.Be7 Ke7 14.a6 b6 15.Bd3 Nf6 16.Na3 Rhd8 17.Ng5 Ne5 18.Bb5 h6 19.Nf3 Bb5 20.Nb5 Nd3 21.Ke2 (cont unknown). Pyles – Purser, 1991.

2.d4?? a6 3.e4 Bb4 4.c3 Be7 5.Nf3 b5 6.Nbd2 c5 7.a4 cd4 8.Nd4 ba4 9.Ra4 Bb7 10.Nc4 Be4 11.Ra5 d5 12.Ne5 Qa5 13.Ne2 Nf6 14.f3 Bg6 15.Bg5 0–0 16.Nf4 Qc3 17.Kf2 Ne4! 18.fe4 Bc5 19.Ke2 Qe3# 0–1. Harrison,Mark – Johnson,Paul, O–388, 1999.

2.d4?? d5 3.c3 (--> 2.c3 d5 3.d4).

2.d4?? Nf6 (--> 1.b4 Nf6 2.d4 e6).

2.e3?? Na6 3.Ba3 Bb4 4.Bb2 Nf6–/+ 5.c3 Ba5 6.Nf3 c5 7.g3 0–0 8.Ba6 ba6 9.Ng5 Bb7 10.c4?? d5 11.cd5?? Qd5 12.Nc3 Qh1 13.Ke2 Qh2 14.Qh1 Qh1 15.Rh1 Rfe8 16.Nce4 Rad8 17.Bf6 gf6 18.Nf6 Kf8 19.Ngh7 Ke7 20.Rh6 Rd2 21.Ke1 Red8 22.a3 Rd1 23.Ke2 R8d2# 0–1. Elsner,David (1680) – D,Maik (1730), remoteschach.de, 2003.

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

2.e3?? Qf6 3.d4 Bb4 4.Nd2 Bc3 5.Rb1=+ Nh6 6.Ne2 0–0?? 7.Nc3+– d5 8.Rb7?? Bb7–/+ 9.Bd3 Nc6 10.0–0 a6 11.Ne2 Nb4 12.a3 Na2 13.Bb2= c5 14.Qa1 c4 15.Bh7 Kh7–/+ 16.Qa2 Ng4 17.Ng3 Rac8 18.c3 e5 19.Qb1 e4–/+ 20.h3 Nh6 21.Nh5 Qg5 22.Nf4 Bc6 23.Nf3 Qe7 24.Ne5 Ba4?? 25.Nd5+– Qg5? 26.Qe4 g6? 27.Nf3 Qd8 28.Ne7 Rb8 29.Ng5 Kg7 30.Nf3 Rb2–+ 31.d5 Re8 32.Qd4 Kh7?? 33.Ng5# 1–0. gtate (1800) – maf, net–chess.com, 2002.

2.e3?? Nf6 3.b5 a6 4.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.e3).

2.e4?? a6 3.Nf3 f6 4.Be2 b5 5.0–0 h6 6.e5 g5 7.ef6 Qf6 8.c3 g4 9.Nd4 h5 10.f3 e5 11.fg4 Qb6 12.Kh1 ed4 13.gh5 dc3 14.dc3 Nc6 15.Bg4 Bb7 16.Re1 Be7 17.Qd7 Kf7 18.Be6 Kg7 19.Bg8 Rd8 20.Re7 Ne7 21.Qe7 Kg8 22.Qd8 Kh7 23.Qd7 Kg8 24.Qe8 Kg7 25.Qe7 Kg8 26.Qg5 Kf8 27.Qf5 Kg8 28.Na3 Qc6 29.Qg5 Kh7 30.Qg6 Qg6 31.hg6 Kg6 32.c4 Re8 33.Bb2 bc4 34.Nc4 Bd5 35.Ne5 Kf5 36.Rf1 Ke6 37.Re1 Kd6 38.Nc4 Bc4 39.Re8 Kd7 40.Re4 Ba2 41.Rd4 Kc6 42.Rd2 Kb5 43.Be5 Be6 44.Bc7 Kb4 45.Rd6 Bc4 46.h4 Kb5 47.g4 Be2 48.g5 Bf3 49.Kg1 Bh5 50.g6 a5 51.Rd5 Kc6 52.Rh5 Kc7 53.Ra5 Kd8 54.g7 Ke8 55.g8Q Ke7 56.Kf2 Kd6 57.Ke3 Kc6 58.Kd4 Kb6 59.Qg5 Kc6 60.Ra6 Kb7 61.Qg6 Kc7 1–0. Cavanagh,Philip – chinchers1, Yahoo! Chess, 2001.

2.e4?? c5 3.b5 d5 4.ed5 ed5 5.Nf3 Bd6 6.Bb2 Nf6 7.Be2 0–0 8.Nc3 Bf5 9.0–0 Qc7 10.h3 Nbd7 11.Re1 Rae8 12.d3 d4 13.Nb1 Re7 14.Nbd2 Rfe8 15.Nc4 Bf4 16.Bc1 Nd5 17.Bf4 Qf4–+ 18.Bf1 Re1 19.Ne1 Nc3 20.Qd2 Qd2–+ 21.Nd2 Nb6 22.g4 Bd7 23.Nb3 Nba4 24.Na5 b6–+ 25.Nc6 Nb5 26.Bg2 Nac3 27.Kf1 Re6 28.Nd8 Re2 29.a4 Nd6 30.Nc6 a5 31.Bf3 Re6 32.Nd8 Rh6 33.Kg2 Ba4 34.Nc6 f5 35.Ne7 Kf8 36.Nf5 Nf5 37.gf5 Rf6 38.Be4 Bd7 39.Nf3 Bf5 40.Bf5 Rf5 41.Nd2 Ke7 42.Nc4 b5 43.Re1 Kd8 44.Na5 ½–½. Zimmermann,J – Schultz,N, Eintracht, 2002.

2.e4?? c6 (--> 1.b4 c6 2.e4 e6).

2.e4?? Nc6 3.a3 d5 4.ed5 ed5 5.Bb2 a6 6.d4 b5 7.Nf3 Qe7 8.Be2+= Bf5 9.Nbd2 Nf6 10.h3 Be4 11.h4 Bf3=+ 12.Nf3 Ne4 13.0–0 Rb8 14.Re1 Qf6 15.g3 h6 16.Qd3 a5 17.c3 g5 18.Kg2?? g4–+ 19.Qe3 gf3 20.Bf3 ab4 21.cb4 Qe7 22.Be4= Rd8?? 23.Bd3+– Qe3 24.Re3 Be7 25.Bb5 Kd7 26.Bc6 Kd6 27.b5 f5 28.f4 Bf6 29.a4 Rhg8 30.Rae1 Rde8 31.Be8 c6 32.Bc6 Bh4 33.Re6 Kc7 34.R1e3 Bd8 35.Bd5 h5 36.Rc6 Kd7 37.Bg8 (37.Bg8 h4 38.Be6 Ke8 39.Bf5 Kf7 40.Bg6 Kg7 41.d5 Bf6 42.Rf6 h3 43.Kh3+–) 1–0. halo2 – MC Q, ChessWorld.net, 2005.

2.e4?? d6 3.Nc3 e5 4.Nd5 Qg5?? 5.d3 Qg6?? 6.g3 Nc6?? 7.Nc7+– Kd8 8.Na8 Nd4 9.Be3 Be7 10.f4 Nb5 11.fe5 de5 12.d4 ed4 13.Bd4 Nh6 14.Bg7 Qd6 15.Qh5 Qb4 16.Kf2 Qd2 17.Be2 Bc5 18.Kg2 f5 19.Bh8 Ng8 20.Qf7 Bd4 21.Qg8 Kd7 22.Qd5 Nd6 23.Bd4 fe4 24.Rd1 Qc2 25.Be3 Ke7 26.Qd6 Kf7 27.Rc1 Qa2 28.Rc7 Bd7 29.Rd7 Kg8 30.Qb8 1–0. JimDog – Doobi, ChessWorld.net, 2005.

2.e4?? e5 3.d3 Bb4–/+ 4.Bd2 Bc5 5.Nf3 d6 6.Be2 h6 7.0–0 Qf6 8.h3 Nc6 9.c4 Qg6 10.Nh4 Qf6 11.Nf3 g5 12.Nc3 Be6 13.Nb5 Kd7 14.Be3 a6 15.Bc5 dc5 16.Nc3 Nge7 17.a3 h5 18.Qd2 g4–+ 19.Qg5 Qg5 20.Ng5 gh3 21.Nh3 Bh3 22.gh3 Nd4 23.f4 Nc2 24.Ra2=+ Nd4 25.fe5 Rhg8 26.Kh1 h4 27.Rg1?? Rg1–/+ 28.Kg1 (28…Rg8 29.Bg4 Ke8 30.Na4–/+). BIGAL 1971 – vulpo, ChessWorld.net, 2005.

2.e4?? Qf6 3.g4?? Qa1–+ 4.b5 Qb1 5.f3 b6 6.h4 Qa2 0–1. billybob – maf, net–chess.com, 2001.

2.e4?? Nf6 3.Nc3 Bb4 4.f3 d6 5.Bb2 0–0 6.a3 Bc3 7.Bc3 a6 8.Bd3 Nbd7 9.f4 b5 10.e5 Nd5–+ 11.Qh5 g6 12.Qh6 Nc3–+ (12...Nc3 13.Nf3 Nd5–+) 0–1. Kitvis – ana_goldberg, internet, 2005.

2.e4?? g6 3.Bb2 Nf6 (--> 1.b4 Nf6 2.Bb2 g6 3.e4 e6).

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

2.Nf3 d5 3.a3 Nf6 (--> 2.a3 Nf6 3.Nf3 d5).

2.Nf3 Qf6 3.Bb2?? Qe7 (better is 3...Qb2 4.Nc3 Qb4–+ (4...Bb4?! 5.Rb1 Bc3 6.Rb2 Bb2 7.c3–+)) 4.b5 c6 (4...Qb4 5.Ba3 Qb5 6.Nc3=) 5.a4 c5 (5...Nf6 6.e3=) 6.d4 c4 7.e4 Nf6 (better is 7...d5!?+=) 8.e5+– Qb4? (better is 8...Ne4 9.Ba3 Qd8 10.Bf8 Rf8 11.Bc4 d5+–) 9.Qd2?? (better is 9.Bc3 Qe7 10.ef6 Qf6 11.Bc4+–) 9...Qb2–+ 10.Ra3 (10.ef6 Qa1 11.Qc1 d5 12.fg7 Bg7–+) 10...Ba3 (10...Qb1 11.Qd1 Qd1 12.Kd1–+) 11.Qd1 (11.Na3 Ne4 12.Qe3 Qa1 13.Ke2 Nc3 14.Kd2–+) 11...Bb4 12.c3 Bc3 (better is 12...Ne4!? 13.Be2 Bc3 14.Nc3 Nc3 15.Qd2 Qb1 16.Bd1 Na4 17.0–0 Qb5 18.Bc2–+) 13.Nc3 Qc3 14.Qd2 Ne4 (14...Qa1 15.Qd1 Qd1 16.Kd1–+) 15.Qc3 Nc3 16.Bc4 d5 17.Bb3 (17.ed6 Na4 18.Bd3 f6–+) 17...0–0 (17...a6 18.b6 Bd7 19.Kd2 Na4 20.Ba4 Ba4 21.Rc1–+) 18.Ng5 (18.Kd2 Ne4 19.Ke3 b6–+) 18...a6 (18...f6!? 19.Kd2 Nb5 20.ab5 fg5 21.Ke3–+) 19.Kd2 Ne4 20.Ne4 de4 0–1. Orchidee – Decorator, playchess.de, 2005. (=1.Nf3 e6 2.b4)

2.f4?? b6 3.Nf3 Ne7 4.g3 b5 5.Bg2 f6 6.a4 c5 7.Nc3 d5 8.Ne4?? de4 –+. Volokitin,Andrei (2680) – Meinhardt,Maximilian (2375), Mainz FiNet op 6th, 2007.

2.f4?? Qf6 3.Nc3 Qf4 4.b5 Bb4 5.Rb1 c5 6.a3 Bc3 7.dc3 Qf6 8.Qd3 b6 9.Nf3 d5 10.c4 dc4?? 11.Qe4+– Ne7 12.Qa8 (12…Nd7 13.Qa7+–) 1–0. marre – oppo1, internet, 2010.

2.g3?? Bb4 3.Bg2 Nf6 4.Bb2 0–0 5.a3 Be7 6.d4 c6 7.Nd2 Qb6 8.e3?? Qb2–+ 9.Rb1 Qc3 10.Ne2 Qa5 11.0–0 d5 12.Nf3 Nbd7 13.Ne5 Ne5 14.de5 Nd7 15.f4 Bc5 16.Qd3 Qa3 17.Qd2 Be3 18.Qe3 Qe3 (19.Rf2 Nc5–+) 0–1. audrey – Simson9, Caissa.com, 2004.

2.g4?? Qf6 3.Bb2?? Qb2–+ 4.Nc3 Qb4 5.Rb1 Qg4 6.d4 g6 7.Bh3 Qg5 8.Nf3 Qd8 9.0–0 Bg7 10.e4 Nh6 11.e5 0–0 12.d5 ed5 13.Nd5 d6 14.Bc8=+ a6 15.Bb7 Ra7 16.c4 c6 17.Nf4 de5 18.Qd8 Rd8 19.Ne2 e4 20.Ne5?? Be5 21.f3 e3 22.Rb3 Nd7 23.Bc6 Nc5 24.Re3 Re7 25.f4 Bd6 26.Re7 Be7 27.h3 a5 28.Ng3 Bh4 29.Kg2 Rd2 30.Rf2 Rd1 31.Bf3 Rd4 32.Rd2 Rd2 33.Ne2 Ra2 34.Kf1 Nf5 35.Nc3 Nd3 36.Na2 a4 37.Be2 Nf4 38.Bf3 Ne3 39.Kg1 h5 40.c5 Ne6 41.c6 g5 42.Nb4 g4 43.Bd5 Nc7 44.Be4 gh3 45.Kh2 Be7 46.Na2 Ng4 47.Kg3 h2 48.Nc3 a3 49.Kg2 h1Q! 50.Kh1 Nf2 51.Kg2 Ne4 52.Ne4 a2 53.Kg3 a1Q 54.Kf4 Qc1 55.Kf5 Qc6 56.Kf4 Ne6 57.Ke3 Bc5 58.Kd3 Qd5 59.Kc3 Qe4 60.Kb3 h4 61.Kc3 Qd4 62.Kb3 Qb4 63.Kc2 h3 (63...h3 64.Kd1 Qb3 65.Kd2 h2 66.Ke2 h1Q 67.Kd2 Qhd1) 0–1. xzara – crazy 8, ChessWorld.net, 2005.

2.Nh3?? Qf6 3.c3=+ Bb4 4.a3 Ba5–/+ 5.e3 Nc6 6.Bb5 e5 7.a4 d5–+ 8.f4 Bh3 9.gh3 Qh4 10.Ke2 Qh3 11.fe5 Qg2 12.Kd3 Qe4 13.Ke2 0–0–0 14.d3?? d4 15.de4+– dc3 16.Kf2 Rd1+= 17.Rd1 c2 18.Rd5 Nge7 19.Rc5 Nb4?? 20.Nd2 h5? 21.Nc4?? Nd3+= 22.Kg3?? Nc5 23.Na5=+ g5 24.h4 Ne4 25.Kh3? Nf2?? 26.Kg3= Nh1?? 27.Kh3?? Nf5 28.hg5 Nf2 29.Kg2 h4?? 30.e6 fe6? 31.Kf2+– h3 32.Bd2 h2 33.Kg2 a6?? 34.Bc3 h1Q!–+ 35.Kf2 Qh2 36.Kf3 Qg3 37.Ke4 Qe3# 0–1. Elsner,David (1680) – Rasch,Harald (2095), remoteschach.de, 2005.

2.h4?? Bb4 3.c3 Ba5 4.a3 Nf6 5.Qa4 b6 6.d3 0–0 7.Bg5 Bb7 8.Nh3 d5 9.Bf6 Qf6 10.Qb3 Qh4 11.Ra2 d4 12.Qb5 dc3 13.Kd1 Bd5 14.Nc3 Bc3 15.Rc2 a6 16.Qb1 Qa4 17.Kc1 Qa3 18.Kd1 Nc6 19.Qc1 Qa4 20.Ng5 Bb3 21.Qe3 Bc2 22.Kc1 Nb4 23.Qb6 Qa3 (23...Qa1) 0–1. Chad's Chess 0.15 – Terra 2.5.1, WBEC2_4thDivision, 2001.

2.a3 Qe7

3.Bb2 (--> 2.Bb2 Qe7 3.a3).

3.c3 Nc6 4.Bb2 b6 5.e3 Bb7 6.Nf3 0–0–0 7.Be2 Nb8 8.d4 Nh6 9.0–0 g6 10.Bd3 Bg7 11.Nbd2 Rhg8 12.Re1 f5 13.c4 Rdf8 14.c5 bc5 15.bc5 Kd8 (15...g5 16.Nb3+/–) 16.Qc2 Kc8 17.Nc4 (better is 17.Rab1 Bd5 18.Bc3+–) 17...Rd8?? (better is 17...Bf3 18.gf3 Nc6+=) 18.Rab1 (18.Nd6 cd6 19.cd6 Nc6 20.de7 Rde8+–) 18...Rgf8?? (18...Nc6+–) 19.Bc3 (better is 19.Nd6! Qd6 20.cd6+–) 19...d5 20.Bd2 (better is 20.cd6 cd6 21.Bd2+–) 20...dc4–+ 21.Bc4 c6?? (21...Be4 22.Qa4 Nc6–/+ (22...Bb1? 23.Rb1 Rd5 24.Qb5+–)) 22.Rb2 (better is 22.Qb3 Rd5 23.Ng5+– (worse is 23.Bd5 ed5 24.Rb2 Rd8+–)) 22...Ba6?? (better is 22...Rd7+=) 23.Ba6 (23.Reb1 Bb5 24.a4+– (worse is 24.Bb5 cb5 25.Rb5 Nc6+–)) 23...Na6+/– 24.Reb1 Nb8?? 25.Rb8 Kd7 26.R8b7 Ke8 27.Re7 Ke7 28.Rb7 Ke8 29.Qb3 Rf7 30.Rf7 Nf7+– 31.Bc3 Kf8 32.Ne5 Ne5 33.de5 Be5 34.Be5 Rd5 35.f4 Rd8 36.Bd6 Ke8 37.h3 h5 38.Kh2 h4 39.a4 a5 40.Qb5 cb5–+ 41.ab5 a4 42.b6+= a3?? 43.c6+– a2 44.b7 a1Q 45.b8Q Rb8–+ 46.Bb8 Qa8 47.c7 Qb7 48.c8Q Qc8 49.Be5 Qa6 50.Bd4 Qb5 51.Be5 Kf7 52.Bd4 Qd5 53.Be5 Qe4 54.Bd4 g5! 55.Be5 gf4 56.Bf4 Kg6 0–1. Fournier,Frederic (1825) – cepangele (1755), Active Blind, 2007.

2.a3 Be7

3.Bb2 Bf6 4.Nc3 d5 5.e3 b6 6.Nge2 Bb7 7.Ng3 Nd7 8.Bb5 c6 9.Ba4 g6 10.0–0 Nh6 11.Rb1 0–0 12.f4 Rc8 13.Bb3 a6 14.e4 de4 15.Nge4 Bd4 16.Kh1 Nf6 17.d3 Nfg4 18.Rf3 c5 19.Rg3?? Ne3?? 20.Qe2–/+ Nhf5 21.Rh3 Nd5 22.Nd5=+ Bd5 23.Bd5 ed5–/+ 24.Ng5 h6 25.Nf3 Bg7 26.Bc1 Re8 27.Qf2 d4 28.g4 Ne3 29.Ne5 Be5 30.fe5 Kg7?? 31.Be3+= de3 32.Qe3 g5 33.bc5 Qd5 34.Kg1 Re5= 35.Qf2 Rce8?? 36.Rf1 Re2+= 37.Qf6 Kg8 38.Rhf3 R2e7?? 39.Rf5 Qd4?? 40.Qd4 (40...bc5 41.Qd5+–) 1–0. Otte,Marco – Burgemeister, Wag.Ext.4vsRhenen, 1996.

3.Bb2 Bf6 4.d4 b6 5.e4+= Bb7 6.Nd2 d5 7.e5 Be7 8.Ngf3 c5 9.c3 cd4 10.cd4 a6 11.Bd3 b5 12.0–0+/– Nc6 13.Qc2 h6 14.Rac1 Rc8 15.Qb3 Bg5 16.Ng5 Qg5 17.f4 Qd8 18.f5 ef5 19.Bf5 Rc7 20.Qg3 g6?? 21.Bd3 Nge7 22.Qf3 0–0 23.Qf4 Kg7 24.Qf6 Kh7 25.e6 Ng8?? 26.Qd8 Nd8 27.Rc7 (27.Rc7 Kg7 28.e7 Ne7 29.Re7+–) 1–0. Wall,Bill – Hyperion, internet, 2006.

3.c4 Bf6 4.Nc3 b6 5.Bb2 Bb7 6.Nf3 Bf3 7.ef3 Ne7 8.d4 c5 9.dc5+= bc5 10.Qc2 cb4 11.ab4 0–0 12.Bd3+= Nbc6 13.Na2 Nd4 14.Bh7+/– Kh8 15.Qd3 Nc2? 16.Qc2+/– Bb2 17.Qb2 Kh7 18.0–0 Qc7 19.Qc2 Kg8 20.Rfd1 Rab8 21.Rd3 Nd5 22.Qd2 Qc4= 23.Rc1 Qb5 24.f4? Nf4!–/+ 25.Rf3? Ne2–+ 26.Kh1 Nc1 27.Qc1 Rfc8 28.Qb1 a5 29.Rh3 f5 30.Qd1 Rc2! 31.g3 Ra2 (31...Ra2 32.Kg1 ab4–+; better is 31...Rd2! 32.Rh8 Kh8 33.Qh5 Kg8 34.Kg2 Ra2 35.Qd1–+) 0–1. alaamattar (2145) – eweram (2015), net–chess.com, 2006.

2.a3 Ne7

3.Bb2 Nbc6 4.e3 a6 5.Nf3 b5 6.Be2 g6?? (better is 6...Bb7+=) 7.Bh8+– e5 (7...Bb7 8.0–0+–) 8.Be5 Ne5 9.Ne5 d6 10.Nf3 Bg7 11.Nc3 a5 (11...Bb7 12.d4+–) 12.ba5 (better is 12.Bb5 c6 13.Bc4 ab4 14.ab4 Ra1 15.Qa1 d5+–) 12...b4 (12...c6 13.Nd4+–) 13.ab4 Bc3 (13...c5 14.bc5 dc5 15.a6+–) 14.dc3 Ba6 15.Ba6 Ra6 16.Qe2 Ra8 17.0–0 Rb8 18.Rfd1 Nc6 19.Qe1 (better is 19.Qc4 Qd7+–) 19...Nb4 (19...Qf6 20.Nd4 Ne5 21.Qe2+–) 20.cb4 c5 21.c3 (better is 21.bc5!? d5+–) 21...cb4 22.cb4 Rb7 23.Rab1 Kf8 24.Rdc1 Re7 25.Rb2 h6 26.Rcb1 Kg8 27.b5 Kh8 28.b6 Rb7 29.a6 Qb8 30.ab7 Qb7 31.Qe2 (better is 31.Qc3!? Kh7+–) 31...Kh7 32.h3 (better is 32.Qc2 Qd5+–) 32...f5 33.Nd4 h5 34.Qf3 Qf3 35.Nf3 g5 (35...Kh8 36.b7 Kg8 37.b8Q Kf7 38.Rb7 Ke6 39.Qg8 Kf6 40.Qf7) 36.b7 Kh6 (36...Kg7 37.b8Q f4 38.Qd6 fe3 39.Rb7 Kg8 40.Qd8) 37.b8Q d5 (37...h4 38.Qd6 Kh5 39.Ne5 g4 40.Qg6) 38.Nd2 (38.Qh8 Kg6 39.Ne5) 38...d4 (38...h4 39.Qf8 Kg6 40.Rb6 Kh5 41.Qe8) 39.ed4 (39.ed4 Kg6 40.Rb6 Kf7 41.Qc7 Ke8 42.Rb8; 39.Qf8 Kh7 40.Qe7 Kg6 41.Rb6) 1–0. Fournier,Frederic (1875) – JR1 (1795), Active Blind, 2007.

3.d4 Ng6 4.e4 Be7 5.Nf3 a6 6.Bd3 f6 7.h4 Bd6 8.h5 Ne7? 9.e5+– fe5 10.de5 Bb4 11.ab4 Nd5 12.Bg5 Ne7 13.h6 g6 14.Bg6! hg6 15.Bf6 Rh7 16.Ng5 c5 17.Nh7 Nbc6 18.Ng5 Nd4 19.h7 d5 20.ed6 Qd6 21.h8Q Kd7 22.Nf7 Qf4 23.Qd8 Kc6 24.Ne5 Kb5 25.Qa5 1–0. orane (2210) – TARKUS, Caissa.com, 2004.

3.d4 Ng6 4.Nf3 Be7 5.Nc3 0–0 6.e4 c6 (better is 6...d5!?=) 7.h4+/– d6 (7...Nh4?? 8.Nh4 a5 9.Qh5+–) 8.h5 Nh8 (8...Nh4 9.Nh4 Bh4 10.h6+/–) 9.Bd3 h6 10.Rh3 e5 (10...f6+–) 11.Rg3 Bf6 (11...ed4 12.Ne2 (12.Nd4?! Bh4=) 12...Bh4 13.Nh4 Qh4 14.Nd4+–) 12.Bh6 Kh7 (12...ed4 13.e5! de5 14.Ne4+–) 13.Bg5 Bg5 14.Ng5 (14.Rg5?! Nd7 15.Qd2 f6+–) 14...Kg8 15.h6! g6 (15...gh6 16.Ne6 Double attack) 16.Bc4 b5 17.Nb5! cb5 (17...Ba6 18.h7 Kg7 19.Bf7+–) 18.Bd5 Nc6 19.Bc6 Rb8 20.a4 a6 (20...ba4 21.Ra4 Bb7 22.d5+–) 21.ab5 ab5 22.Qf3 Be6 (22...Rb6 23.Bd5 Ra6 24.Ra6 Ba6 25.Bf7 Rf7 26.Nf7 Qf8 27.Nh8 Qf3 28.Rg6 Kh8 29.gf3 ed4 30.Rd6 Bb7+–) 23.Ra7 ed4 24.h7 Kg7 25.Ne6 1–0. capablancaven (2050) – legzyt, gameknot.com, 2012.

3.Nf3 Ng6 4.Bb2 d6 5.e4 e5 6.Nc3 Be7 7.Bc4 0–0 8.0–0 c6 9.g3 Nd7 10.Qe2 Nf6 11.d4 Bh3 12.Rfd1 Qc8 13.Qd2 Bg4 14.Be2 b5 15.Qd3 Rd8 16.Rac1 Bf3 17.Qf3= a5 18.d5+/– ab4 19.ab4 cd5 20.ed5 Qb7 21.Nb5 Rac8 22.c4+– e4 23.Qe3 Qd7 24.c5 dc5 25.d6 Bf8 26.bc5 Qf5 27.c6 Rc6 28.Rc6 Nd5 29.Qc5 Ne5 30.Qd5 Nf3 31.Bf3 Qd5 32.Rd5 ef3 33.d7 f6 34.Nd4 Kf7 35.Ne6 Be7 36.Nd8 Bd8 37.Rc8 (37.Rc8 g5 38.Rd8 Kg7 39.Rg8 Kg8 40.d8Q Kf7 41.Qf6 Ke8 42.Rd8#) 1–0. ygfr – doug, internet, 2009.

2.Ba3 a5

3.b5 Ba3 4.Na3 c6 5.e4 Nf6 6.e5+= Nd5 7.c4 Nb6 8.Nf3 0–0 9.d4 cb5 10.Nb5+/– d5 11.ed6+– Na6 12.c5 Nd5 13.Bc4 Bd7 14.Ne5 Bb5 15.Bb5 Nab4 16.Qd2+– f6 17.Nc4 Rb8 18.0–0 b6 19.c6 Rc8 20.Qe2 e5 21.Qf3 ed4 22.a3 (22.a3 f5 23.ab4 Nb4 24.c7 Rc7 25.dc7 Qc7 26.Rae1+–) 1–0. jnunes (1840) – Istvanny, internet, 2007.

3.c3 ab4 4.cb4?? (4.Bb4 Bb4 5.cb4 Nf6+=) 4...b5?? (better is 4...Qf6 5.Nc3 Ra3–+) 5.e3 (5.Bb2 Nf6+= (5...Bb4 6.Bg7 Nf6 7.Bh8+–)) 5...c6 (better is 5...Qf6 6.Nc3 Ra3 7.Nb5 Ra4–/+) 6.g4?? (6.Bb2 Nf6+= (6...Bb4?? 7.Bg7 Nf6 8.Bh8+–)) 6...Bd6?? 7.h3?? h5?? 8.f4?? hg4 9.Qg4? Qh4?? 10.Qh4= Rh4 11.Nf3 Rh6 12.Bg2 Nf6 13.Ne5 Nh5 14.Kf2 Na6 15.Nc3 Nf6?? 16.Rab1?? Be5 17.fe5 Nd5 18.Nd5 cd5 19.d4 Bb7 20.h4 Rc8 21.Kg3 Rc3 22.Bc1 Rc2 23.a3?? Rg6–+ 24.Kh3 Rgg2 25.Rb2 Rb2 26.Bb2 Rb2 27.Rh2 Rb3 28.Rg2 Re3 29.Rg3 Rg3 30.Kg3 Nc7 31.Kg4 Ke7 32.h5 Ne8 33.Kg5 g6! 34.h6 f6 35.Kg6+/– fe5 36.h7 ed4 37.h8Q e5?? 38.Qe5+– Kd8 39.Qb8 Bc8 40.Qb5 Nc7 41.Qb8 d3 42.Qb6 Ba6 43.Qe3 Kc8 44.a4 Kb8 45.b5 Nb5 46.ab5 Bb5 47.Qb6 Ka8 1–0. isaac777 – maddoxdb, gameknot.com, 2012.

3.c3 Qf6 (3...ab4 4.Bb4 (4.cb4? Qf6 5.Nc3 Ra3–+) 4...Bb4 5.cb4+=) 4.Qa4= b6 5.ba5 Ra5 6.Qb3 Nc6 (6...Ne7 7.e4+=) 7.Bf8= Kf8 8.d4 Ba6 9.Nd2 Nge7 10.a4 (10.Ngf3 d5=) 10...b5 (10...e5!? 11.Qc2 ed4–+) 11.e3 ba4 (11...Nd5 12.c4 bc4 13.Nc4 Bc4 14.Bc4=) 12.Ra4 Ra4 13.Qa4 Bc8 (13...Bf1 14.Qa8 Nc8 15.Nf1+=) 14.Ba6 (14.Ngf3 Qg6+=) 14...Ba6 15.Qa6 g6 16.Ne4 Qh4 17.Nc5 d6 18.Nf3?? (better is 18.Nd3=) 18...Qg4–+ 19.Nd7 Kg7 20.0–0 Rd8 21.Nde5 Ne5?? (better is 21...de5 22.Qb7 e4–+) 22.de5= de5 23.Ne5 Qf5 24.f4 Nd5 25.Qc6 Rd6?? 26.Qc5+= f6 27.Nf3 Qd3–/+ 28.Re1 Qc3 29.Qa7 Rd7 30.Kf2 Qc2 31.Re2 Qc3 32.Rd2 Nb6 33.Rd7 Kh6?? 34.Rc7+– Qb2 35.Kg3 g5 36.Rh7 Kg6 37.Qg7 Kf5+– 38.Nd4 Ke4 39.fg5 Ke3 40.Qf6 Qd2 41.Ne6 Qd6 42.Qf4 Qf4 43.Nf4 Nc4 44.g6 1–0. jcekota (2100) – chessleon (2040), net–chess.com, 2012.

3.e4 ab4–/+ 4.Bb2 Nf6 5.e5 Nd5 6.d4 c5 7.c3 bc3 8.Nc3 Qb6 9.Qd2=+ cd4 10.Nd5= ed5 11.Bd4 Qb4 12.Nf3 Qd2 13.Nd2 Nc6–/+ 14.Nb3 Bb4–+ 15.Ke2 Nd4 16.Nd4 Bc3 17.Rd1 Ra2 18.Kf3 Bd4 19.Rd4–/+ Ra3 20.Bd3 0–0 21.Re1 b6 22.Kf4 f6 23.Rd5? fe5–+ 24.Ke4 Rf2 25.Re5 Bb7 26.Kd4 Ra4 27.Bc4 d5 28.Re8?? Kf7 29.R1e7 Kg6 30.Rb7 Rf4 31.Kd5= Rac4 ½–½. Reynier – Chairboy, ChessWorld.net, 2004.

2.Ba3 Nc6

3.c3 a6 4.e4 d5 5.Qa4 Bd7 6.Qb3 Nf6 7.b5 Ba3?? 8.Na3?? Na5 9.Qa4 ab5–+ 10.Qb4 Nc6 11.Qb2 0–0 12.ed5 Nd5 13.Bb5 Na5 14.Bd7=+ Qd7 15.Nf3 Nf4–/+ 16.Ne5?? Qd5–+ 17.c4 Qe5!! 18.Qe5 Nd3 19.Kd1 Ne5 20.c5 b6 21.cb6 cb6 22.Re1 Ng4 23.Ke2 Nc6 24.Nc2 Rad8 25.Rab1 Nd4 26.Nd4 Rd4 27.f3 Ne5 28.Red1 Rb8 29.Ke3 Ra4 30.d3 Ra2 31.Rd2 Rd2 32.Kd2 b5 33.f4 Ng4 34.h3 Nf6 35.Ke3 Nd5 36.Kf3 b4 37.g3 b3 38.Rb2 f5 39.h4 Kf7 40.g4 fg4 41.Kg4 Kf6 42.Kf3 Kf5 43.Kg3 Nf4 44.Rf2 Rb4 45.Rb2 Nd3 46.Rb3 Rb3 47.h5 Kg5 48.h6 gh6 49.Kh3 Ne5 50.Kg2 Kf4 51.Kf2 Rb2 52.Ke1 Kf3 53.Kd1 Ke3 54.Kc1 Rg2 55.Kb1 Kd3 56.Kc1 Ng4 57.Kb1 Kc3 (57...Kc3 58.Ka1 Kb3 59.Kb1 Rg1#) 0–1. campocebe – Drunken Pawn, internet, 2010.

3.e4 Ne5 4.d4= Ng6 5.Bd3 d5 6.Nf3 de4=+ 7.Be4 f5 8.Bd3= Nf4 9.0–0+= a5 10.c3 Qf6 11.Bc2 Qg6 12.Re1?? Qg2# 0–1. Vauban – Roseeis, internet, 2006.

3.Nf3 Bb4 4.Bb4 Nb4 5.d4 d5 6.c3 Nc6 7.e3 Nge7 8.Bb5 0–0 9.0–0 a6 10.Bd3 f5 11.Ng5 h6 12.Nf3 Qd6 13.Nbd2 e5 14.de5 Ne5 15.Ne5 Qe5 16.Qc2 c5 17.Nf3 Qf6 18.a4 Bd7 19.Rab1 Bc6 20.c4 d4 21.e4 Qf7 22.Ne5 Qe6 23.Nc6 bc6 24.ef5 Nf5 25.Rbe1 Qf6 26.Re4 Rae8?? (26...Nd6 27.Re2–/+) 27.Rf4?? (better is 27.Re8 Re8 28.Bf5+–) 27...g6–/+ 28.g4 (28.Rb1!?–/+) 28...Qg5–+ 29.Bf5? Qf4 30.Bd7 Re7 31.Qg6 Rg7 32.Be6?? Kh8 33.Qh5 d3 34.h3 d2 35.Qh4 Qf6 36.Qf6 Rf6 37.Bf5 Rf5 38.Rd1 Rf3 39.Kg2 Rd3 40.Kf1 Rgd7 41.Ke2 R3d4 42.f3 Rc4 43.Rd2 Rd2 44.Kd2 Ra4 45.h4 Rf4 46.Ke3 Rd4 47.f4 Kg7 48.h5 a5 (48...a5 49.f5 Rg4–+) 0–1. jcekota (2100) – averoes (2445), net–chess.com, 2011.

2.Ba3 Qf6

3.c3 Qf5 4.Nf3 Nf6 5.g3 a5 6.Nd4 Qd5 7.Qa4?? Qh1–+ 8.e4 Qe4 9.Be2 Qh1 10.Bf1 Ng4 11.Ke2 Qe4 12.Kd1 Nf2 13.Kc1 Qe1 14.Kc2 Qd1 15.Kb2 Qa4 16.Bb5 Qd1 17.Nb3 c6 18.c4 Nd3 19.Kc3 Ne1 20.Bb2 e5 21.ba5 Qc2# 0–1. ChessDiva – Caissa (1990), Live Game Caissa's Web, 2006.

3.Nc3 a5 4.b5?? Ba3–+ 5.Nf3 Bf8 6.d4 b6 7.e4 Bb4 8.Be2 Ne7 9.Qd3 0–0 10.0–0 c6 11.e5 Qf4 12.a3 Bc3 13.Qc3 Nd5 (13...Nd5 14.Qb2 cb5 15.Bb5 Bb7–+) 0–1. stardom (2100) – maf (2100), net–chess.com, 2004.

3.Nc3 Nc6 4.Qb1 a5–/+ 5.Nb5 Bd6 6.c3 ab4= 7.Bb4 Ra5?? 8.Ba5+– Na5 9.e3 c6?? 10.Na7 Ne7 11.Bd3 0–0 12.Qb6+– Qg5 13.g3?? Qc5?? 14.Rb1 Nd5? 15.Qc5+– Bc5 16.Nc8 Rc8 17.Nf3 f6 18.g4 b5 19.a4 ba4 20.h4 a3 21.g5 a2 22.Ra1+/– Nb3 23.0–0 Ra8=+ 24.h5?? h6?? 25.gh6–/+ gh6 26.Bg6?? Kg7 27.Rfd1? Ne7 28.Nh4?? d5 29.d4? Bd6 30.f4 c5 31.Rf1 cd4 32.cd4 Nf5 33.Nf5?? ef5–+ 34.Bf5 Bb4 35.Bc2?? Na1 36.Ra1 Bc3 37.Ra2 Ra2 38.Bb3 Re2 39.Bd5 Re3 40.Bg2 Bd4 41.Kf2 Re5 42.Kf3 Rh5 43.Kg4 Rh2 44.Be4 h5 45.Kf5 Kf7 46.Bd5 Kg7 47.Ke6?? h4–+ 48.Ke7 h3 49.Bf3 Rf2 50.Bh5 h2 (50...h2 51.Bd1 h1Q 52.Kd6 Qd1 53.Kc6 Rc2 54.Kd6 Bg1 55.Ke6 Re2 56.Kf5 Qd7) 0–1. Rettkowski,Marcel (1800) – Lausch,Axel (1950), remoteschach.de, 2010.

2.Bb2 Bd6??

3.a3 c6?? 4.Bg7+– Nf6 5.Bh8 Nd5 6.Bb2 c5 7.bc5 Bc5 8.e3 Qb6 9.Qc1 Nc7 10.Nc3 d6 11.Nf3 Qc6 12.Bb5! b6 13.Bc6 Nc6 14.d4 a5 15.dc5 bc5 16.0–0 Rb8 17.Rb1 d5 18.Ba1 Ne7 19.Rb8 Kd8 20.Ne5 f6 21.Nf7 Kd7 22.a4 c4 23.Nb5 Nb5 24.ab5 d4 25.ed4 e5 26.de5 fe5 27.Ne5 Ke6 28.Rc8! Nc8 29.Nc6 Kd7 30.Re1 Kc7 31.Qg5 Ne7 32.Qe7 Kb6 33.Rd1 a4 34.Bd4 (34.Bd4 Kb5 35.Qb7) 1–0. Fournier,Frederic – danielitrox, Active, 2007.

3.Bg7 Be5 4.Be5 f6 5.Bc3 Nc6 6.e3 d5 7.Qh5 Kd7 8.b5 Na5 9.Ba5 b6 10.Bb4 Ne7 11.Nf3 a6 12.Nc3 h6 13.Nd4 e5 14.Nd5! Nd5 15.Qf7 Ne7 16.Bc4 Rf8 17.Be6# 1–0. wiking – COPPERHEADS, queenalice.com, 2009.

3.Bg7 f6 4.Bh8 Bb4 5.a3 Bc5 6.e3 Qe7 7.Qh5 Qf7 8.Qc5 Nc6 9.Nc3 h6 10.Be2 Qh7 11.Bh5 Kd8 12.Qf8 1–0. Whiterose – Garyman, ChessWorld.net, 2005.

3.Bg7 Qf6 4.Bf6 Nf6 5.a3 e5 6.Nf3 e4 7.Nd4 Be5 8.c3 Bd4 9.cd4 Nc6 10.e3 d5 11.Bb5 0–0 12.Nc3 Ne7 13.0–0 c6 14.Be2 h5 15.Bh5 Nh5 16.Qh5 Bg4 17.Qg4 Ng6 18.f4 f5 19.Qg6 Kh8 20.b5 1–0. Fournier,Frederic (1780) – kaballoloco, Active, 2006.

3.Bg7 Nh6 4.Bh8 Na6 5.Bg7 Ng4 6.Nf3 Nb4 7.Bb2 f5 8.h3 Nf6 9.e3 Ne4 10.Bc4 c6 11.Nd4 Qh4 12.0–0 f4 13.Qg4 Qh6 14.Qg8 Bf8 15.Nf3 Nc2 16.d3 Na1 17.de4 Nc2 18.Ng5 fe3 19.fe3 Ne3 20.Qf7 Kd8 21.Qf8 Kc7 22.Be5 d6 23.Qd6 Kb6 24.Bd4 Ka5 25.Qa3# 1–0. Trkn – CartmanUSM, itsyourturn.com, 2000.

2.Bb2 Ke7

3.b5 Ke8 4.a4 b6 5.c4 Bb7 6.Nf3 Nf6 7.e3 Ke7 (7...a6 8.Be2+=) 8.Be2 Ke8 9.0–0 d6 10.d4 Nbd7 11.d5 (11.Nc3 a6+/–) 11...e5 (11...ed5 12.cd5 Nd5 13.Re1+=) 12.Nbd2 Nc5 13.e4 (13.Nb3!?+/–) 13...Nfe4+= 14.Ne4 Ne4 15.Nd2 Nd2 16.Qd2 Be7 17.Bh5 Bf6 18.Qe2 g6 19.Bf3 Kf8 20.Rad1 Kg7 21.Bc1 h6 22.Qd3 Qe7 23.Be4 a5 24.f4 ef4 25.Bf4 Rae8 26.Rde1 Bc8 27.Bd2 Bg5?? (better is 27...Be5+=) 28.Bg6 fg6 (28...Bd2 29.Re7 Re7 30.Bf7 Rf7 31.Qd4 Kg8 32.Rf7 Be3 33.Qe3 Kf7+–) 29.Re7 Re7 30.Bg5 hg5 31.Qd4 Kh7 32.Qf6 Rg7 33.Qg5 Bf5 34.g4 Be4 35.h4 Re8 36.Qf6 Reg8? 37.g5 Bf5?? 38.Qd4 Re7 39.Kf2 Rge8 40.Kg3 Re3 41.Kh2?? Rh3?? 42.Kg2+– Re2 43.Kg1?? Rg3–+ 44.Kh1 Be4 45.Qe4 Re4 46.Rf7 Kg8 47.Kh2 Rc3 (47...Rc3 48.Rf6 Rh4 49.Kg2 Rg4 50.Kf2 Rg5–+) 0–1. stoker – Usuukamadeek, Live Game Caissa's Web, 2004.

3.b5 f6 4.e3 +=.

3.Nf3 d6 4.e3 Kd7 5.Be2 f6 6.0–0 b6 7.d4 Bb7 8.c4 Nc6 9.a3 Qe7 10.d5 ed5 11.Qd5 Rb8 12.Nc3 Nb4?? 13.Qb5 Nc6+/– 14.Nd5 Qf7 15.Nd4 Nge7?? 16.Bf3 a6= 17.Qa4 b5=+ 18.cb5 Nd4–/+ 19.Bd4 Nd5 20.ba6 Bc6 21.Qa5?? Be7 22.a7 Ra8?? 23.Rfb1 g5 24.Bd5?? Qd5–+ 25.Qd5 Bd5 26.Rb2 Rhc8 27.Rab1 c5 28.Rb8 cd4 29.R1b7 Bb7 30.Rb7 Rc7 31.Rb8 Raa7 32.h4 de3 33.fe3 gh4 34.Kf2 d5 35.Kf3 Ra3 36.Kf4 Rcc3 37.Kf5 Re3 38.Rb7 Kc6 39.Re7 Re7 40.Kf6 Re2 41.Kg7 d4 42.Kh7 d3 43.Kg6 d2 44.Kg5 d1Q 45.g4 h3 46.Kg6 h2 47.g5 h1Q 48.Kg7 Qd7 49.Kg6 Re6 50.Kf5 Ra5 51.Kg4 Qd4 52.Kg3 Qhg1 53.Kh3 Re3 0–1. erisonpassos – azrail44, kurnik, 2011.

2.Bb2 Be7??

3.Bg7 Bf6 4.Bh8 Ba1? 5.Ba1 Qe7 6.a3 a6 7.e4 Nc6 8.Qh5 Nf6 9.Bf6 Qf6 10.c3 Ke7 11.Qh7 Ne5 12.d4 Ng6 13.h4 Qh8 14.Qh8 Nh8 15.h5 b6 16.h6 f6 17.Nf3 Bb7 18.Nbd2 Nf7 19.h7 Rh8 20.Nh4 Kf8 21.Ng6 Kg7 22.Nh8 Kh8 23.Rh5 Ng5 24.e5 Nh7 25.ef6 Kg8 26.f7! Kf7 27.Rh7 Ke8 28.g4 Kf8 29.Rd7 Bc8 30.Rc7 (30...a5 31.Rc8 Ke7 32.Rc6+–) 1–0. b4_player (2220) – NN, GameColony.com, 2003.

3.Bg7 Bf6 4.Bh8 Ba1 5.Ba1 Nf6 6.Bf6 Qf6 7.c3 Nc6 8.b5 Ne5 9.Nf3 Nf3 10.ef3 b6 11.Be2 Bb7 12.0–0 a6 13.ba6 Ba6 14.c4 d5 15.Qa4 Kf8 16.Qc6 Bb7 17.Qb7 Ra2 18.cd5 Ra1 19.de6 fe6 20.Qc8 Kg7 21.Qc7 Kh6 22.Nc3 Rf1 23.Bf1 b5 24.Nb5 Qa1 25.Qg3 Qb1 26.Nd4 Qc1 27.Ne6 Qd2 28.f4 Qd5 29.Qg7 Kh5 30.Qh7 Kg4 31.h3 1–0. pinecrest1981 – HarlemSoul, caissa.com, 2004.

3.Bg7 Bf6 4.Bh8 Bh8 5.c3 d5 6.e3 e5 7.Qc2 Nf6 8.d4 Nc6 9.b5 Na5 10.de5 Ne4 11.Nf3 Be6 12.Bd3 Bf5 13.Nbd2 Nd2 14.Bf5 Nf3 15.gf3 Be5 16.Rg1 Qf6 1–0. mrkt – hotpawn, ChessWorld.net, 2002.

3.Bg7 Bf6 4.Bh8 Bh8 5.d4 Nc6 6.c3 d5 7.e3 e5 8.Bb5 ed4 9.Bc6 bc6 10.cd4 Ne7 11.Qh5 Bf5 12.Nd2 a5 13.ba5 c5 14.Nb3 c4 15.Nc5 Qb8 16.a6 Qb4 17.Kf1 Qb2 18.Re1 Qa2 19.Ne2 Bg6 20.Qh3 Qa5 21.Qd7 Kf8 22.Ng3 Rb8 23.Ke2 Rb2 24.Kf3 Rb8 25.Ra1 Qb6 26.a7 Ra8 27.Ra6 Qb2 28.Qc7 Bd4 29.Qb8 Kg7 30.Nd7 Be4 31.Kg4 f5 32.Kh5 Bf3 33.gf3 Qf2 34.Ne5 Qe3 35.Qa8 Qe5 36.Qb8 Qe3 37.Nf5 Kf7 38.Ne3 1–0. Machete99 (2190) – Ischoolyouboy (2005), ICC, 2002.

2.b5 a5

3.a4 Bc5 4.e3 d5 5.Bb2 f6 6.Bc3 h5 (6...Nh6 7.d4 Bd6 8.Bd3=) 7.Qf3 (7.d4 Bd6+=) 7...e5= 8.Qg3 g5 9.Be5?? (better is 9.h4 d4 10.Bb2=) 9...fe5?? (better is 9...h4 10.Qf3 fe5–+) 10.Qe5+– Kd7 11.Qh8 Ne7 12.Qh5 c6 13.Nc3 Qg8 14.Qg4 Kd8 15.Qg3 Nd7 16.bc6 Nc6 17.Bb5 Ne7 18.Nf3 Nf5 19.Qg4 Nf6 20.Qg5 Qg5 21.Ng5 Nh6 22.0–0 Bb4 23.Nd5! Nd5 24.Rad1 Nf6 25.f3 Nd5 26.Bc4 Nb6 27.Ne6 Be6 28.Be6 Na4 29.c3 Bd6 30.h3 Ra6 31.Bc4 Rc6 32.Bb5 Nc3 33.Bc6 Nd1 34.Bb7 Nb2 35.Rb1 Nd3 36.Rb6 Nf5 37.Be4 Bc7 38.Ra6 Nc5 39.Ra8 Ke7 40.Bf5 Nb3 41.d4 Nd2 42.h4 Nc4 43.Rc8 Kd6 44.h5 Ne3 45.Bg6 a4 46.h6 Kd7 47.Re8 Nd5 48.h7 Nf6 49.h8Q Ne8 1–0. Mark_Peck – Eries, ChessWorld.net, 2012.

3.a4 c6 (--> 1.b4 a5 2.b5 c6 3.a4 e6).

3.e4 a4 4.Nf3 Ne7 5.d4 Ng6 6.Bd3 d5 7.ed5 Qd5 8.0–0 Bd7 9.c4 Qh5 10.Nc3 Bd6 11.c5 Bf4? 12.Bg6 Bh2 13.Nh2 hg6 14.Bf4 Qh7 15.Bc7 g5 16.Re1 Bc8 17.d5 Kf8 18.de6 fe6 19.Bb8 Rb8 20.Qd6 Kf7 21.Qb8 Bd7 22.Qc7 Kf6 23.Ng4 Kf5 24.f3 Qh1 25.Kf2 Qh4 26.g3 (26...Qh2 27.Nh2 Rh2 28.Kg1+–) 1–0. Trkn – guest7011, ICC, 2004.

3.Nf3 d5 4.c4 (4.g3 Nf6=) 4...Nf6 5.e3 Nbd7 6.Nc3 Nb6 7.cd5 ed5 8.Be2 Bd6 9.Na4 (9.Nd4 0–0=) 9...Na4 (9...0–0 10.0–0=) 10.Qa4= 0–0 11.0–0 Re8 12.Ba3 Bg4 (12...Ne4 13.Rac1=) 13.d3= c6 (13...Qe7! 14.Bd6 Qd6=) 14.bc6+= bc6 15.Rfc1 Ba3 16.Qa3 Qc7 17.h3 Bh5 (17...Bd7 18.Rab1+=) 18.Rab1 Rec8 (18...Bf3 19.Bf3 (19.gf3?! d4 20.e4 Nh5=) 19...Reb8 20.Qc3+=) 19.Rb3 d4? (better is 19...Bf3 20.Bf3 g6+/–) 20.Nd4+– (worse is 20.ed4 Re8 21.Bd1 Nd5+/–) 20...Be2 21.Ne2 1–0. calabuig (1975) – tallx (1900), gameknot.com, 2015.

2.b5 Qg5

3.d4?? Qb5–/+ 4.e4 Qc6 (4...Qb6!?–/+) 5.Bd3+= g6 (5...Nf6!? 6.Nf3 Ne4+=) 6.Nf3= b6 (6...Nf6!? 7.0–0 Bg7+=) 7.0–0 Bg7 8.e5 (8.Na3 Ne7+=) 8...Ba6+= 9.Ba3 Bd3 10.Qd3 Nh6 (10...Qa4 11.Bb2+=) 11.c4 (11.Nc3 d5+=) 11...a5 (11...Qa4 12.Bc1+=) 12.Nc3 Qb7 13.Rab1 Na6 14.c5 Nb4 15.Bb4 ab4 16.Rb4 0–0 17.Rfb1 f6 18.cb6+– cb6 19.Rb6 Qc7 20.Rb7 Qc6 21.a4 Nf5 22.R1b6 Qc8 23.a5?? Ra5 24.g3 fe5 25.de5 Be5 26.Ne5 Re5 27.Rd7 Rc5 28.Ne4+/– Rc1 29.Kg2 Qa8?? 30.Rbb7+– h6 31.Qd4 Nd4 32.Rg7 Kh8 33.Rh7 Kg8 34.Rbg7# 1–0. stampyshortlegs – Dutta, ChessWorld.net, 2012.

3.e3 Bd6 4.Bb2 f6 5.Nf3 Qd5 6.c4 Qf5 7.d4 Ne7? 8.c5+– Bc5 9.dc5 Qc5 10.Nbd2 Qb4 11.Qc2 a6 12.Rb1 Qg4 13.h3 Qf5 14.Bd3 Qh5 15.g4 Qd5 16.Ba3 Ng6?? 17.Bg6 Kd8 18.Be4 Qe4 19.Ne4 c5 20.Qc5 b6 21.Qe7 Kc7 22.Qd6 Kb7 23.Nc5! Ka7 24.Qc7 Bb7 25.Qb7 1–0. Taulien,Hans_Juergen – Ben,Reichelt, remoteschach.de, 2002.

2.b5 Qh4

3.Nf3 Qg4 =.

3.Nf3 Qh6 4.d4 f5?? 5.Bh6+– (5.Bh6 Nh6 6.e3+–) 1–0. poganinbezdom (1675) – izadora1 (1730), kurnik, 2011.

3.g3 Qf6 4.d4 Bd6 5.Bg2 h5 6.e4 Rh6? 7.e5 Qf5?? 8.ed6+– Rf6 9.Nh3 Nh6 10.0–0 Qb5 11.dc7 Nc6 12.d5 Nb4 13.Nc3 Qc5 14.Bb2 Rg6 15.Nf4 Nf5 16.Qh5 Nd6 17.Qh8 Ke7 18.Na4 Qc7 19.Ng6 fg6 20.Qg7 Kd8 21.Bf6 Ke8 22.Qe7# 1–0. MasterofDisaster – alexbruce, Live Game Caissa's Web, 2004.

2.c3 Qe7

3.Bb2 (--> 2.Bb2 Qe7 3.c3).

3.e3 Nc6 4.Nf3 b6 5.Bb2 Bb7 6.a3 0–0–0 7.d4 Re8 8.Bd3 Nd8 9.Nbd2 f6 10.0–0 g6 11.Qc2 h5 12.Rfe1 Bh6 13.e4 Rh7 14.e5 f5 15.c4 a6 16.Nb3 Kb8 17.c5 Ka7 18.cb6 cb6 19.Qc4 Nc6 20.Qa6?? Ba6–+ 21.Ba6 Ka6 22.a4 Kb7 23.b5 Nd4! 24.Nbd4 Qc5 25.Rac1 Qa3 26.Ba3+– Bc1 27.Rc1 Rc8 28.Rc8 Kc8 29.h3 Kb7 30.Kh2 Ne7 31.Be7 Re7 32.Nb3 Re8 33.a5 Rc8 34.ab6 Rc2 35.Nbd4 g5?? 36.Nc2+– h4 37.Ncd4 g4 38.hg4 fg4 39.Ne1 h3 40.gh3 gh3 41.Kh3 Kb6 42.Kg2 d5 43.Nef3 (43.Nef3 Kc5 44.Ne6 Kb5 45.Nfd4 Ka5 46.f4+–) 1–0. Fournier,Frederic (2035) – DarthVader17 (1865), Active Blind, 2008.

2.c3 Ne7

3.Bb2 Ng6 4.e3 Be7 5.Nf3 0–0 6.d4 Kh8 7.a3 f5 8.Bd3 d5 9.Nbd2 Bf6 10.Qc2 Nd7 11.0–0 Rb8 12.Rfe1 b6 13.Rac1 Bb7 14.Qb1 c5 15.dc5 bc5 16.Bf1 cb4 17.cb4+= Bb2 18.Qb2 Bc6?? 19.Be2 a5?? 20.b5 Bb5? 21.Bb5+– Rb5? 22.Qa1 Rb8 23.Rb1 Rb1 24.Qb1 Nf6 25.Qa1 Re8 26.Nd4 Ne4 27.Ne4 fe4 28.Rd1 e5 29.Ne2 Qf6?? 30.Ng3?? d4?? 31.ed4+/– ed4 32.Rd4 e3= 33.fe3 Ne5 34.Rd1 Nf3?? 35.gf3+– Qa1 36.Ra1 Re3 37.Kf2 h6 38.Ke3 1–0. Fournier,Frederic (1960) – cosgaya73 (1965), Active Blind, 2008.

3.e3 Ng6 4.Nf3 Be7 5.Bb2 c6 6.a3 0–0 7.d4 Bf6 8.Bd3 Re8 9.Qc2 a5 10.Nbd2 ab4 11.ab4 Ra1 12.Ba1 b6 13.Bb2 Bb7 14.0–0 Qc8 15.Ra1 Ba6 16.Ba6+/– Na6 17.Qd3 Nc7 18.e4 d5 19.e5 Be7 20.Qc2 Nf8 21.Re1 Rd8 22.g3 Ne8 23.Kg2 Nd7 24.Ra1 c5 25.bc5 bc5 26.Rb1 c4 27.Ba1 Nf8 28.Bb2 Rd7 29.Bc1 Rc7 30.Nf1 Nd7 31.Ne3 Qd8 32.Bd2 Rc8 33.h3 Rb8 34.Nh4 Rb1–/+ 35.Qb1 Bh4 36.gh4 Qh4 37.Kf1 Qe7 38.Ng2 g6 39.h4 h6 40.Qc1 Kh7 41.Bh6= Nc7 42.Bg5 Qf8 43.Kg1 Nb8 44.Nf4 Nc6 45.Ne2 Ne8 46.f4 Ng7 47.Qe1 Nf5 48.Ng3 Nce7 49.Be7 Ne7 50.Ne2 Qc8 51.Qf2 Nc6 52.Ng3 Qb8 53.Kg2 Na5 54.Qe3 Nb3 55.Kh3 Qf8 56.Nh1 Qh6 57.Qf3 Qf8 58.Nf2 Qa3 (58...Qa3 59.f5 Nd4 60.fg6 fg6 61.Qf7 Kh8=) 0–1. Fournier,Frederic (1855) – Piedeperro (1835), Active Blind, 2011.

3.e3 Ng6 4.Nf3 Be7 5.d4 Bf6 6.Bd3 c6 7.Bb2 b6 8.Nbd2 a5 9.a3 0–0 10.0–0 Re8 11.Qc2 Ba6 12.Ba6 Na6 13.Rfe1 Nc7 14.e4 ab4 15.ab4 Ra1 16.Ra1 d5 17.ed5 ed5 18.Re1 Re1 19.Ne1 Qe7 20.Nef3 Ne6 21.Qc1 h6 22.Qe1 Ngf8 23.h3 c5 24.bc5 bc5 25.Ne4?? de4–+ 26.Qe4 cd4 27.cd4 Qc7 28.Qb1 Ng5 29.Ng5 Bg5 30.Qa1 Bf6 31.d5 Bb2 32.Qb2 Qd7 33.Qd2? g6 34.d6 Kh7 35.g3? Ne6 36.Kh2 h5 37.h4 Nd8 38.Kg1 Nb7 39.Kh2 Nd6 40.Qc2 Qe6 41.Qd2 Nf5 42.Qa2 Qa2 (42...Qa2 43.Kg2 Ne3 44.Kf3 Ng4 45.Ke4 Qd2 46.Kf3 f5 47.Kg2 Qf2 48.Kh3 Qf1) 0–1. Fournier,Frederic (1810) – Piedeperro (2020), Active, 2011.

2.c3 f5

3.d4 d5 4.Nf3 Nf6 5.Bg5 Be7 6.e3 c6 7.Nbd2 0–0 8.Bd3 Nbd7 9.Qc1 Ne4 10.Be7 Qe7 11.0–0 Ndf6 12.a3 Bd7 13.Ne5 Nd2 14.Qd2 Ne4 15.Qb2 a6 16.c4 Nd6 17.Rfc1 Nf7 18.Nd7 Qd7 19.Qc3 Nd6 20.f3 dc4 21.Bc4 Nc4 22.Qc4 Qd5 23.Rab1 Rfd8 24.Rc3 Rd7 25.Qe2 Re7 26.Rc5 Qd6 27.Rd1 Rd8 28.Re5 Qc7 29.Rc5 Rd5 30.e4 Rc5 31.bc5 g6 32.Re1 Kf7 33.g3 Qd7 34.Qc4 Kg7 35.Kg2 Kf6 36.Qc3 Kf7 37.Rb1 Kf8 38.h3 h5 39.Qe3 Kg8 40.Qg5 Rg7 41.Qf6 Qe8 42.Rb6 Qd7 43.a4 Kh7 44.Qe5 Rf7 45.Rb3 Rg7 46.Rb2 Rf7 47.Rb1 Rg7 48.Rb3 Rf7 49.Re3 Rg7 50.f4 Rf7 51.Kf3 Kg8 52.Kg2 Rg7 53.Re2 Rf7 54.Re3 Rg7 55.Re2 Rf7= 56.Re3 (better is 56.a5+/–) ½–½. Caissa – POWERSof10, Live Game Caissa's Web, 2005.

3.d4 Nf6 4.Nf3 g6 5.Bg5 Bg7 6.Nbd2 0–0 7.e4 Qe8 8.Bf6 Bf6 9.e5 Bg7= 10.Be2 d6 11.0–0 d5 12.Nb3 c6 13.Ng5 h6 14.Nf3 g5 15.Ne1 b6 16.Nc2 Ba6 17.a4 Be2 18.Qe2 Qg6 19.c4 Nd7 20.Rfc1 h5 21.cd5+/– cd5 22.Na3 Rfc8 23.Qa6+– Qe8 24.Nb5 Qd8 25.Nd6 Rc1 26.Rc1 Bf8 27.Qb7 (27.Qb7 Rb8 28.Qa7+–) 1–0. huimre (2695) – sagaz (2370), net–chess.com, 2007.

3.e3 d5 4.Qb3 Nf6 5.a4 c6 6.b5 Bd6 7.Ba3 Nbd7?? (better is 7...c5+=) 8.Bd6+– Ne4 9.Qa3 Ndf6 10.Be5 Ng4 11.Bd4?? (better is 11.Bg3+–) 11...Ngf2–/+ 12.Bd3?? (12.Be2!?–/+) 12...Nh1 (better is 12...Nd3 13.Ke2 Ndf2–+) 13.Nf3 Nhf2 14.Be4 fe4 15.Ng1?? Nd3 16.Ke2 Qe7 17.Qe7 Ke7 18.c4 Rf8 19.Nh3 e5 20.Bc3 Bh3 21.gh3–+ Rf2 22.Kd1 Raf8 23.Kc2 Rf1 24.Na3 Ra1 25.Ba1 Rf2 26.cd5 Ne1 27.Kd1 Rf1 28.Ke2 Rh1 29.Be5 Rh2 30.Bh2+– cd5 31.Ke1 h5 32.a5 g5 33.Nc2 g4 34.hg4 hg4 35.Nd4 b6 36.Nc6 Ke6 37.ab6 ab6 38.Kf2 Kd7 39.Kg3 Kc7 40.Kg4 Kd7 41.Nb4 Ke6 42.Nc6 d4?? 43.Nd4+– Kd5 44.Kf5 Kc5 45.Ke4 Kc4 46.Bc7 Kb4 47.Bb6 Ka3 48.Bc5 Kb2 49.b6 Kc1 50.b7 Kd2 51.b8Q Kc3 52.Qb4 1–0. maddoxdb – samp1086, gameknot.com, 2011. (=1.c3 f5 2.b4 e6)

3.Nf3 Nf6 4.d3 (--> 1.b4 f5 2.Nf3 e6 3.c3 Nf6 4.d3).

2.c3 g6

3.Ba3 Bg7 4.e4 Nc6 (4...d5 5.ed5 Qd5 6.d4=) 5.g3 (5.d4 d6+=) 5...Nf6 6.Bg2 Ne5 (6...d5 7.b5 Ne5 8.d4=) 7.d4 Nc4 8.e5 Nd5 (8...Na3? 9.ef6 (9.Na3?! Nd5=) 9...Qf6 10.Na3+–) 9.Ne2 0–0 10.Nf4 (10.Qd3 b5+=) 10...Nf4 11.gf4 d5 12.0–0 Qh4 13.Bc1 b6 14.a4 Ba6 15.b5 Bb7 16.Nd2 Na5 17.Ba3 Rfd8 18.Qf3 g5 (better is 18...Bh6!? 19.Qg3 Qf4=) 19.f5 g4 20.Qf4?? (better is 20.Qd3+=) 20...Bh6–+ 21.Nf3 Qh5 (better is 21...Bf4 22.Nh4 Bg5–+) 22.Qg3= Qf5 23.Nh4 Qh5 24.Nf3 Nb3 25.Rab1+= Nd2 26.Nd2+/– Bd2 27.Bf3 Bc3+= 28.Bg4 Qg6 29.Kh1?? Bd4–+ 30.Rg1 Kh8 31.Qh4? Qe4 32.f3 Qd3?? 33.Qf6 Kg8 34.Bf5 Bg1 35.Rg1 1–0. Willi_weizenkeim – Kikeluz, playchess.de, 2002.

3.e4= Bg7 4.d4+= a6 5.Nf3 Bf6 6.Be2 h6 7.e5 Be7 8.0–0 g5 9.Be3 g4 10.Nfd2 h5 11.a4 b6 12.a5 b5 13.Bd3 Bb7 14.Ne4 Be4 15.Be4 c6 16.Re1 Qc8 17.Bd3 Kd8 18.Na3 Kc7 19.Qb3+– Qb7 20.Rac1 Qc8 21.c4 Kd8 22.d5 cd5?? 23.cd5 Qb7 24.Bb6 Ke8 25.Rc7 Qd5 26.Rc8 Bd8 27.Rd8 Ke7 28.Rc8 Qb3 29.Bd8 Kf8 30.Bf6 1–0. b4_player (2220) – amigoes (1700), GameColony.com, 2003.

3.Nf3 Bg7 4.g3 b6 5.Bg2 Bb7 6.Nh4 Bg2=+ 7.Ng2 Nc6 8.0–0 Nb4–/+ 9.d4 Nd5 10.Na3? Nc3–+ 11.Qd3 Nd5 12.Qf3? Bd4 13.Rb1 Nc3 14.Rb4? Bg7 15.Bb2=+ a5 16.Rc4+= Ne2 17.Qe2 Bb2 18.Qb2 f6 19.Qc2 c6 20.Rc3 Ne7 21.Rf3 Nd5 22.Ne3 Nb4 23.Qb3 Rb8 24.Qc3 0–0 25.Ng4 Kg7 26.h4 Na2 27.Qb2 Nb4–+ 28.Nc4 b5 29.Nd2 Nd5 30.Ne3 a4 31.Nd5 ed5 32.g4 Kg8 (32...Kg8 33.h5 gh5 34.gh5 Qe8–+) 0–1. LuckyMiki – pbram143, internet, 2007.

2.Nc3?? Bb4

3.Rb1 Ba5 4.Rb5 Bb6 5.Na4? a6?? 6.Nb6=+ cb6 7.Ba3?? ab5–+ 8.f4 Ra3 9.Nf3 Ra2 10.e3 Nf6 11.Bc4 bc4 12.0–0 0–0 13.d3 b5 14.Qb1 Qa5 15.Nd2 d5 16.dc4 bc4 17.Nb3 cb3 18.cb3 Ne4 19.b4 Qa4 20.g3 b6 21.h4 Qc2 22.Qe1 Qg2 0–1. idontknow – guerino (2100), net–chess.com, 2006.

3.e4 Qf6 4.Nf3 Bc3–/+ 5.dc3 Qc3 6.Bd2 Qc6 7.Bd3 d6 8.0–0 Nf6 9.c4 Ne4 10.Be4? Qe4–+ 11.Rc1 h6 12.Re1 Qg6 13.Bb4 Nc6 14.Ba3 0–0 15.c5 e5 16.cd6–/+ Bh3 17.g3? cd6–+ 18.Qd6 Qd6 19.Bd6 Rfe8 20.Be5?? Bg4–+ 21.Kg2 Ne5 22.Re5?? Re5 23.Ne5–/+ Be6 24.Rc7? b5 25.a3–/+ a5 26.f4 a4 27.Rb7?? Bc4 28.Nc4+= Rc8?? 29.Nd6+– Rc2 30.Kh3 Rb2 31.Rf7 b4 32.ab4 Rb4 33.Ra7 Rd4 34.Nb5 Rb4 35.Nc3 Rb3 36.Ra4 Rc3+/– 37.Kg4 g6 38.Ra6 Kg7+/– 39.h4 Rc5 40.Kf3 g5? 41.hg5 hg5+/– 42.Kg4 gf4 43.gf4 Rc4 44.Ra5 Kf6+/– 45.Rf5 Kg6 46.Rg5 Kf6 47.Rf5 ½–½. oracleinshadows (1725) – nwishn (1900), net–chess.com, 2006.

3.Ne4 Bf8 4.f3 d5–+ 5.d4?? de4 6.e3 ef3 7.Nf3 Bb4 8.Nd2 Bc3 9.Rb1 Nf6 10.Rb3 Ne4 11.Bd3 Qh4 12.g3 Bd2 13.Bd2 Ng3! 14.Rg1 Ne4 15.Kf1 Qf2 0–1. formrtexn – maf (1740), net–chess.com, 2002.

3.Nf3 Nf6 4.e4 0–0 5.Bb2 b6 6.Bd3 Bb7 7.0–0 Nc6 8.a3–/+ Be7 9.h3 Re8 10.e5 Nd5 11.Nd5 Bf8?? 12.Ne3+– Ne7?? 13.c4 d5?? 14.cd5 Nd5 15.Nd5 Bd5 16.Rc1 g6 17.Bc3 Bg7 18.Qe2 Qd7 19.Ba1 c5 20.Qd1 a6 21.Re1 b5 22.h4 Rec8 23.Be4 Be4 24.Re4 Rd8 25.Rc5 Rdc8 26.Rc8 Rc8 27.Rd4 Qb7 28.Rd6 Bf8 29.Rd3 Be7 30.a4 Qe4 31.Rd7 Kf8 32.Ng5?? Bg5+= 33.Ra7 Bh6 34.Ra6= ba4 35.Ra4+= Qd5 36.Rd4+/– Qb5 37.Rd6 Bg7 38.d4+= Ke8 39.g4?? Bf8–+ 40.h5 Bd6 (40...Bd6 41.hg6 Bb8 42.gh7 Ke7–+) 0–1. oracleinshadows (1725) – guerino (2100), net–chess.com, 2006.

2.Nc3?? d5

3.a3 c6 4.d4 Nf6 5.h3 Bd6 6.Bg5 Be7 7.Nf3= b5 8.Ne5 h6 9.Bh4 g5 10.Bg3= Nbd7?? 11.f3?? Bb7 12.e3 Ne5 13.Be5 Rg8 14.g4 Nd7 15.f4? Ne5?? 16.fe5=+ Qd7 17.Qf3 Rf8 18.Bd3 a6 19.Rf1 0–0–0 20.Ne2 f6 21.Qg3 Rg8?? 22.ef6+/– Bf8 23.Nc1 Bd6+/– 24.Qg2 Rh8 25.f7 Rhf8 26.Bg6 Kb8 27.Nb3 Qc7 28.Rf6 Bg3 29.Kd2 Bh4 30.Re6 Bc8 31.Nc5 Qb6 32.Re8 Rd6 33.Rf8 Rf6 34.Nd7 Kc7 35.Nf6 Be6 36.Qh2 Kb7 37.Rb8 Ka7 38.f8Q Qb8 39.Qfb8 (39.Qhb8) 1–0. valerypavlovich (2120) – sburritt, net–chess.com, 2006.

3.a3 Bd7 4.e3 Nc6 5.d4 a6 6.Bb2 a5 7.b5 a4? 8.bc6+– bc6 9.Bd3 Ba3?? 10.Ba3 g5 11.Nge2 h5 12.0–0 f5 13.Nb5! cb5 14.Bb5?? Bb5=+ 15.Re1 Be2 16.Qe2 Nf6 17.Rec1 1–0. Fournier,Frederic (1965) – s2lari (1700), Active Blind, 2008.

3.Nf3 c5 4.Ba3?? b6 5.bc5+= bc5 6.Rb1 Nc6 7.Na4 Nf6 8.Bc5 Bc5= 9.Nc5 Qa5 10.Ra1?? Qc5–+ 11.e3 0–0 12.Bb5 Bd7 13.Bf1 Ne4 14.d3 Qc3 15.Nd2 Nd2 16.Be2 Nb4 17.Rb1 Nc2 18.Qc2 Qc2 19.Rd1 Qa2 20.e4 Ba4 21.Rc1 Rac8 22.Rd1 Bd1 23.Bd1 Rc1 24.Ke2 Qa1 25.Kd2–+ Rd1! 26.Rd1 Qa2 27.Ke3 de4 28.de4 Qb3 29.Ke2 Qc2 30.Ke1 Rb8 31.f3 Rb1 32.Rb1–+ Qb1 33.Ke2 a5 34.Kd2 a4 35.Ke3 a3 36.Kf4 a2 37.Kg4 a1Q 38.g3 Qf6 39.Kh3 Qg6 40.f4 Qge4 41.Kh4 Qb5 42.Kh3 Qh5# 0–1. Doering,Kathrin – Oltzen,Aljoscha, Schleswig Holstein–ch U10, 2004.

2.c4?? c5

3.b5 b6 4.d4 d5 5.dc5?? Bc5?? 6.Ba3? Nf6 7.Nf3 Ba3 8.Na3 0–0 9.e3 a6 10.e4? Ne4 11.Qd3 Nc5 12.Qd4 ab5 13.Nb5 Ra4 14.Bd3 Nd3 15.Ke2?? Rc4 16.Qd3 Re4 17.Kd1 Ba6 18.Ng5?? Qg5 19.Re1 Re1 20.Ke1 Qe5 21.Kd2 Qa1 22.Qb3 Qf1 23.Nd4 Qf2 24.Kc3 Qe3 25.Kc2 Rc8 26.Kb2 Qd4 27.Ka3 Rc3 (27...Rc3 28.Kb2 Re3 29.Ka3 e5 30.Qe3 Qe3 31.Kb2 Qd2 32.Kb3 Bc4 33.Ka3 Qa2 34.Kb4 Qb3) 0–1. kong – Garyman, ChessWorld.net, 2005.

3.bc5 Bc5 4.Bb2 Nf6 5.e3= 0–0 6.Nf3 Nc6 7.Be2 d5 8.0–0 d4 9.ed4 Nd4 10.Nc3 Nf3 11.Bf3 Rb8 12.Na4 Bd4 13.Rb1 a6 14.c5 Bb2 15.Rb2 Bd7 16.Nb6 Bb5 17.Re1 Nd7 18.Nd7 Qd7 19.d4 Rfd8 20.Rd2 Bc6 21.Qb3 Bf3 22.Qf3 b5 23.c6 Qc7 24.Rc1 Rd6 25.h3 Rb6 26.d5 ed5 27.Rd5 Rbc6 28.Rc6 Qc6 29.Rd6 Qd6 30.Qa8 Qf8 31.Qa6 b4 32.Qc4 g6 33.g4 Kg7 34.g5 h5 35.h4 f6 36.Qd4 Qe7 37.gf6 Qf6 38.Qb4 Qa1 39.Kg2 Qa2 40.Qd4 Kh6?? 41.Qf4 Kh7 42.Qf7?? Qf7–+ 43.f3 Kh6 44.f4 Qf4 45.Kh3 g5 46.hg5 Qg5 47.Kh2 h4 48.Kh1 Qd2 49.Kg1 h3 50.Kh1 h2 (50...Qg2) ½–½. nizinna – jackofhearts, kurnik, 2011.

2.e3?? Bb4–/+

3.a3 Be7 4.d4 Nf6 5.Bc4 0–0 6.Ne2 b6 7.Bd2 Bb7 8.f3 d6 9.0–0 Nbd7 10.Nbc3 a6 11.e4–/+ Re8 12.Ba2 Rc8 13.e5? Nd5 14.Nd5–/+ ed5 15.ed6 Bd6–+ 16.c4 Nf6 17.cd5 Nd5 18.Nc3? Nf6 19.Bg5 h6 20.Bf6 Qf6 21.Bb3?? Re7 22.Ne4 Qg6 23.Nd6 cd6 24.a4 Rce8 25.Rc1 Re2 26.Rc2?? Qg2 0–1. oracleinshadows (1725) – kostaspetidis (2105), net–chess.com, 2006.

3.Bb2 Nf6 4.c4 0–0 5.Nf3 d5 6.Qb3 Be7 7.Nc3 c5 8.d4 cd4 9.Nd4 Nc6 10.Nc6 bc6 11.Be2 e5 12.0–0 Bf5 13.Qa4 d4 14.ed4 ed4 15.Nb1 c5 16.Nd2 Qc7 17.Bf3 Rab8 18.Ba3 Bd6 19.g3 Rb6 20.Qd1 g6 21.Re1 h5 22.Ne4 Be4 23.Be4 Re8 24.Bf3 Re1 25.Qe1 h4 26.Bc1 hg3 27.hg3 Be5 28.Kg2? d3–+ 29.Bg5 Ba1 30.Qa1 Qd6 31.Qc3 Nd7 32.Bd5 Qe5 33.Qd2? Rb2 34.Qc1 Rc2 35.Qe3 Qe3 36.Be3 d2 37.Bf3 Ra2 38.Be2 Ra1 39.Bd2 Ra2 40.Bg4 f5 (41.Bf5 gf5–+; 40...Rd2!? 41.Bd7 Rd7 42.g4–+) 0–1. Krafzik,Joachim – Walkewitz,Hubert, Bayern–ch Seniors, 2003.

3.Bb2 Bf8 4.Nf3 Nf6 5.a3 Be7 6.c4 0–0 7.d4 b6 8.Be2 Bb7 9.0–0 d5 10.cd5 Bd5 11.Nc3 Bb7 12.Rc1 Nc6 13.h3 Nd5 14.Nd5 ed5 15.Qc2 Qd7?? 16.Bd3 Bf6? 17.Bh7?? Kh8+/– 18.Bd3 g6?? 19.Bb5+– Kg7 20.Bc6 Bc6 21.Qc6 Qe7 22.Qc7 Qe6 23.Qc6 Qf5 24.Ne5 Rh8 25.Qd5 Raf8 26.Qf3 Qg5 27.Rc7 Be5 28.de5 Rh4 29.e6 Kh6 30.Rf7 Re8 31.Bg7 Kh7 32.Bf6 Kh6 33.Bg5 Kg5 34.Qf6 Kh5 35.Rh7 1–0. vihavald (1730) – agimbossi, kurnik, 2011.

3.Qg4 Bf8 4.Nf3 Nf6 5.Qg5 h6 6.Qh4 Be7 7.Bb2 0–0 8.Qg3 d6–/+ 9.Bd3 e5 10.Nh4 Bg4 11.Nc3 Qd7–/+ 12.Bb5 Nc6 13.Bc4?? Nh5–+ 14.Ne4 Ng3 15.hg3 d5 16.f3 Be6 17.0–0–0 dc4 18.g4 Rad8 19.f4 Bg4 20.Rdf1 f5 21.Ng6 Rf7 22.Ng3 Qd2 23.Kb1 Nb4 24.fe5 Qc2 (25.Ka1 c3 26.Rb1 Qa4 27.Ne7 Re7 28.a3 Nc2 29.Ka2 Qc4#) 0–1. UncleStooge – shooin, Caissa.com, 2004.

2.e4?? d5

3.Bb2 de4 4.Nc3 Nf6 5.Qe2 Bb4 6.Ne4 Nbd7?? 7.Nf6=+ gf6 8.Nf3 b6?? 9.a3?? Be7 10.Qb5 a5 11.Bd3 Ba6 12.Qc6 Bd3 13.cd3 0–0 14.h4 Nc5 15.d4 Nd3 16.Ke2 Nb2 17.g4?? Qd5 18.Qc2 Nc4 19.g5 Nd6 20.d3 Nf5 21.Rag1 fg5 22.Qd2 Nd4 23.Nd4 Qd4 24.Rg5 Bg5 25.Qg5 Qg7 26.Qc1 Qe5 27.Kf1 Kh8 28.h5 Rg8 29.h6 Rg5 30.f4 Rf5 31.Rh4 Rg8 32.Qd2 Qd4 33.Qf2 Qd3 34.Ke1 Rb5 (34...Rb5 35.Qd4 Qd4 36.Rg4 Qe3 37.Kf1 Rg4 38.f5 Rf5) 0–1. nizinna – kallekusta (1765), kurnik, 2011.

3.ed5+= ed5 4.Bb2 Nf6–/+ 5.a3 Bd6 (5...a5 6.b5+=) 6.Nf3+= 0–0 7.Be2 a5 8.ba5 (8.b5 Re8+=) 8...Re8 9.0–0 Ra5 10.Bc3 Ra8 11.d3 c5 12.Nbd2 Nc6 Black plans d4 13.a4 (13.Re1 Bd7–/+) 13...b6 (13...Bd7 14.Re1–+) 14.Re1–/+ h6 15.Nf1 (15.d4 Ra7–/+) 15...d4 16.Bd2 Nd5 17.Ng3 Bf4 (17...f5 18.Qb1–/+) 18.Bf4 Nf4 19.Nd2 Ne2 20.Re2 Be6 21.Nde4 (21.Nc4 Bc4 22.dc4 Qd7–/+) 21...Nb4 22.Nh5 Nd5 23.Re1 f5 24.Nd2 Qg5 25.Qf3?? (better is 25.Ng3–/+) 25...Bf7–+ (25...Qd2?! 26.Re6 Re6 27.Qd5–+) 26.Ng3 (26.Re8 Re8 27.Ng7 Kg7–+) 26...Qd2 27.Re8 (27.Red1 Qf4 28.Qf4 Nf4 29.Nf5 Re2–+) 27...Re8 28.Qf5 (28.h4 Re5 29.Qd1 Qd1 30.Rd1–+) 28...Re1 29.Re1 Qe1 30.Nf1 Be6 (30...Nc3 31.g3 Be6 32.Qh5–+) 31.Qh5 (31.Qe4 Qe4 32.de4–+) 31...Nf4 (31...Nf4 32.Qf3 Ne2 33.Qe2 Qe2–+) 0–1. Touchefeu,Aurelien (1960) – Aubry,Yannis (2255), Rennes FRA, 7th d'Ille et Vilaine Open, 2014. (=1.e4 e6 2.b4??)

3.ed5+= ed5 4.b5!? +=.

3.ed5 ed5 4.Qe2 Qe7 5.Nc3 d4 6.Nb5 Nc6?? 7.Nc7+– Kd7 8.Na8 Qb4 9.Qd3 Nf6 10.Ne2 Bc5 11.c3 Qa5 12.Qg3 dc3 13.Nc3 Re8 14.Be2 Bd6 15.Qg7 (15…Qh5 16.d4+–) 1–0. Trkn – guest374, ICC, 2004.

2.f4?? Bb4

3.Nf3 b6 4.a3 Bc5 (4...Be7 5.e4–/+) 5.d4+= Bd6 6.e4 Bb7 7.Nc3 Ne7?? (better is 7...Nh6+=) 8.e5+– Bf3 9.Qf3 Nf5?? (better is 9...Nbc6 10.ed6 Nd4+–) 10.Qa8 (10.ed6?! Nd4 11.Qa8 Nc2 12.Kd1 Na1+–) 10...Qh4 (10...Nd4 11.Bd3 Bc5+–) 11.g3 Qg4 (11...Qd8 12.ed6 cd6+–) 12.Be2 (12.ed6 Nd6 13.Be2 0–0 14.Bg4 Nc6 15.Qf8 Kf8+–) 12...Qh3 13.Qb8 Ke7 14.Qh8 Be5 15.fe5 Nd4 16.Bg5 f6 17.Qg7 Kd8 (17...Ke8 18.Qg8 Ke7 19.Bf6) 18.Qf8# 1–0. pierre – oppotoaze, internet, 2010.

3.Nf3 d5 4.Bb2 f6 5.Nc3 a6 6.a3 Bc5 7.d4 Bd6 8.Qd2 Nc6 9.e4=+ de4 10.Ne4 Be7 11.Bc4= b5 12.Bb3 Bb7 13.Be6+= Nh6 14.d5+/– Na7 15.0–0 c6?? 16.d6+– Bf8 17.d7 Qd7 18.Qd7# 1–0. pierre – vipexiq, internet, 2009.

3.Nf3 Nf6 4.Nc3 Bc3–+ 5.dc3 d5 6.e3 a6 7.Bd3–/+ Nc6 8.0–0 0–0 9.Ba3 Re8 10.Ne5 Ne5 11.fe5+/– Ne4 12.Be4 de4 13.Qh5 g6 14.Qh6+– Qd5 15.Rf7!! (15...Qd1 16.Rd1 Kf7 17.Qh7#) 1–0. marre – oppo, internet, 2010.

2.g4?? Bb4

3.Bb2 Bf8 –/+.

3.Nf3 Nf6 4.g5 Ne4 5.c3 Ba5?? 6.Qa4+= Nf2 7.Kf2 Bb6 8.Ke1 Nc6 9.Na3 d5 10.Ne5 Bd7 11.Qf4 Qe7 12.Nb5?? a6?? 13.Qf7 Qf7–+ 14.Nf7 Kf7 15.Nd4 Nd4 16.cd4 Bd4 17.Rb1 b5 18.e3 Be5 19.Bd3 g6 20.Rf1 Kg7 21.h4 Rhf8 22.Ba3 Bg3 23.Kd1 Rf1 24.Bf1 Bh4 25.Be7 Bg3 26.Bd3 Be5 27.Bf6 Bf6 28.gf6 Kf6 29.Ra1 c5 30.Be2 e5 31.Rb1 h5 32.Bf3 e4 33.Bg2 Re8 34.Ke2 Bg4 35.Ke1 Re5 36.a4 b4 37.Bf1 a5 38.Bb5 c4 39.d3 ed3 40.Kd2 Rf5 41.Re1 Rf2 42.Kc1 d2 (42...d2 43.Kc2 de1Q#) 0–1. jimmyjazz – divergence (1630), internet, 2007.

3.Bg2 d5 4.c3 Be7 5.Qa4 Bd7 6.Qb3 Bc6 7.Ba3 Nf6 8.h3 0–0 9.Nf3 Ba3 10.Qa3 Nbd7 11.d4 Re8 12.0–0 e5 13.Nbd2 e4 14.Ng5? h6 15.Nf7 Kf7 16.Nb3 Kg8 17.g5 hg5 18.f3 ef3 19.Bf3 Ne4 20.Be4 de4 21.Nc5 Nc5 22.Qc5 Qe7 23.Qf5 Rf8 24.Qa5 Rf1 25.Kf1 Rf8 26.Ke1 a6 27.d5 Bb5 28.a4 Bc4 29.Rb1 Qf7 30.Rb7 Qf1 31.Kd2 Qe2 32.Kc1 0–1. ulven – RABALA, Caissa.com, 2005.

2.a3 a5

3.Bb2 ab4 4.ab4 Nf6?? 5.Ra8+– Na6 6.b5 Nc5 7.c4 Be7 8.d4 Nce4 9.Qc2 Bb4 10.Bc3 Nc3 11.Nc3 Ne4 12.Qe4 Bc3 (12...Bc3 13.Kd1 0–0+–). hooks – bcholy, ChessWorld.net, 2005.

3.b5 c5 4.c4 (4.e4 d5 5.e5 Ne7=) 4...b6 5.e3 d5 6.Bb2 Bb7 7.Nf3 f6 (7...Nf6 8.d4=) 8.Be2 e5 9.d4 e4 10.Nfd2 f5 11.dc5 bc5 12.cd5 Nf6 13.Nc3 Nd5 14.Bc4 (14.0–0 Nb6+/–) 14...Nb6 15.Ba2 Qg5 16.0–0 N8d7 17.Qb3 0–0–0 (17...Qg6!?+/–) 18.Nc4 Be7? (better is 18...Nc4!? 19.Qc4 Bd6+/–) 19.Na5+– f4 (19...h5 20.Qc2 h4 21.Nb7+–) 20.ef4 Qf4 21.Nb7 Kb7 22.Nd5 Qg5 23.Ne7 Qe7 24.Qe3 (24.a4!? Ra8 25.Bb1 e3+–) 24...Nf6 25.Rac1 Rd3 26.Qe2 (26.Qc5?! Qc5 27.Rc5 Na4+/–) 26...Rhd8 27.Rfd1 Na4 28.Bf6 gf6 29.Bb1?? Nc3 30.Bd3+= Ne2 31.Be2 e3 32.Rd8+= ef2 33.Kf2 Qd8 34.Rc4 Kb6 35.Ra4 Qd2 36.g4 h5? 37.gh5+/– Qg5 38.h4 Qf5 39.Ke3 Qe5= 40.Kd2 Qb2 41.Ke1 Qb1 42.Kf2 Qf5 43.Ke3 Qe5= 44.Re4 Qg3 45.Kd2 f5 46.Re6 Kb7+= 47.Re3 Qh4 48.Rc3 Kb6 49.Kc2 f4 50.Rd3 c4 51.Rc3 Qf2 52.Kd1 Qd4 53.Kc2 Qf2 54.Kd1 Qd4 55.Kc2 Qf2 ½–½. Schott,Detlef (1875) – Scharrenbroich,Andreas (1835), Niederrhein–ch, 2005.

3.b5 Bc5 4.d4+= Be7 5.e4 d5 6.e5 c5 7.Qg4 g6 8.Nf3 cd4 9.Qd4 Nd7 10.Bd3 Bc5 11.Qf4 Ne7 12.0–0 b6 13.Nbd2 a4 14.Re1 Bb7 15.Bb2 Nf5 16.c4 Qe7 17.Red1 Ng7 18.cd5 Bd5 19.Ne4 0–0?? 20.Nf6+– Kh8 21.Qh6 Nf6 22.ef6 Qf6 23.Bf6 Rg8 24.Ng5 Bf2 1–0. guest1196 – guest669, ICC, 2003.

3.b5 d6 4.Bb2 Bd7 5.e3 Nf6 6.Nf3 d5 7.Bd3 c6 8.bc6 bc6 9.0–0 Na6 10.Nc3 Nc5= 11.Be2 Qb8 12.Rb1+= Qc7 13.d4 Nce4 14.Ne4+/– Ne4 15.c4 Bd6 16.Bd3 c5 17.cd5 ed5 18.dc5 Qc5? 19.Bg7 Rg8 20.Be4 de4+/– 21.Rc1 Qa3 22.Qd5+– Rd8 23.Qe4 Be6 24.Qh7 Kd7 25.Ne5 Be5 26.Be5 Rg6 27.Rfd1 Ke7 28.Qh4 (28.Qh4 f6 29.Qh7 Rg7 30.Qg7 Ke8 31.Qh8 Bg8 32.Qg8 Qf8 33.Qe6 Qe7 34.Rd8 Kd8 35.Rc8#) 1–0. Wall,Bill – Guest6091, internet, 2005.

3.c3 c5 4.e3 (4.bc5 Bc5 5.d4 Be7+=) 4...b6 (4...ab4 5.cb4 cb4 6.a4+=) 5.Nf3 (5.bc5 bc5 6.Nf3 d5=) 5...Bb7 (5...ab4 6.cb4 cb4 7.Be2+=) 6.Be2 (6.bc5!? bc5 7.d4=) 6...ab4+= 7.cb4 cb4 8.a4 g6 9.d3 Bg7 10.d4 Nf6 11.0–0 0–0 12.Bd3 Na6 13.Re1 d5 14.Nbd2 Ne4 15.Be4 (better is 15.Bb2!?+=) 15...de4–+ 16.Ne5 Be5 17.de5 Nc5 18.Nc4 (18.Rb1 Ra4 19.Bb2 b5–+) 18...Nd3 19.Re2 Bd5 20.Nd2 (20.Nb2 Qg5 21.Rd2 Ne5 22.Kh1–+) 20...b5 21.a5 Bc4 (21...Ra5 22.Rb1 Ba2 23.Ra1–+) 22.Nc4 (better is 22.Ne4 Nc1 23.Rd2 Ne2 24.Kh1–+) 22...bc4 23.Bd2 (23.a6–+) 23...Ra5 24.Ra5 Qa5 25.g3 (25.f4 Ra8 26.Qf1 Qa1–+) 25...c3 26.Bc1 (26.Be1 Rb8 27.Rc2 Rc8–+) 26...Rb8 27.Kg2 (27.Re1 b3 28.Rf1 c2–+) 27...b3 28.h3 (28.Qf1 Qa1 29.Bb2 cb2 30.Rb2 Qb2–+) 28...c2 29.Qd2 Qd2 30.Rd2 Nc1 31.h4 Nd3 White resigned (31...Nd3 32.g4 c1Q 33.Rd3 ed3 34.g5 d2 35.Kh2 d1Q 36.Kg3 Qg1 37.Kf3 Qcd1 38.Ke4 Rb4) 0–1. pieeater – AsceticKingK9, ChessWorld.net, 2012.

3.c3 g6 4.Bb2 Bg7 5.d4 d5 6.e3 c6 7.Nf3 Ne7 8.Bd3 b6 9.0–0 0–0 10.Nbd2 Ba6 11.Nb3 a4 12.Ba6 Na6 13.Nbd2 b5 14.Re1 Re8 15.e4 de4 16.Ne4 Nd5 17.Qd3 Nf4 18.Qe3 e5 19.de5 Nd5 20.Qd4 Nf4 21.Rad1 Qd4 22.cd4 Nc7 23.Nf6 Bf6 24.ef6 Rad8 25.Ne5 Re6 26.g3 Nfd5 27.Rc1 Rdd6 28.Ng4 Re1 29.Re1 Nf6 30.Nf6 Rf6 31.d5 Nd5 32.Bf6 Nf6 33.Rc1 1–0. pillsbury (2185) – eweram (2065), net–chess.com, 2014.

3.ba5 Ra5

4.Bb2 Nc6 5.Nf3 Nf6 6.e3 d5 7.d3 Bd6=+ 8.Nbd2 Qe7 9.Nb3 Ra7 10.Be2 0–0 11.Nbd4 Nd4–/+ 12.Nd4 Bd7 13.Qc1 e5 14.Nb3 Rfa8 15.0–0 Ba3 16.Ba3 Ra3 17.Rb1 Ra2 18.d4 Ne4 19.Bd3 Nc3 20.Rb2? e4 21.Ra2 Na2 22.Qb2 ed3 23.cd3 Qb4 24.Ra1 Ra3 25.h3 Rb3 26.Qa2 h6 27.Qa8 Kh7 28.Qd8 Qc3 29.Rf1 Be6 30.g4 Qc2 0–1. funkade (2575) – fifteenminutesofgame (2400), net–chess.com, 2004.

4.Bb2 f6 5.e3 e5 6.Be2 Ne7 7.c4 Ng6 8.Nc3 d6 9.Nd5 Be6 10.f4 Bd5 11.cd5=+ Rd5 12.fe5 Ne5 13.Nf3 Ng6 14.0–0 Be7 15.Nd4 c5? 16.Bc4 Rh5?? 17.Ne6 Qb6 18.Ng7 Kd7 19.Nh5 Qb2 20.Rb1 Qe5 21.Qa4 Kc7 22.Ng7 d5 23.Bb5 f5 24.Be8 Qg7 25.Qa5 Kd6?? 26.Rb6 Ke5?? 27.d4! cd4 28.ed4 Ke4 29.Re1 Kf4+– 30.Rf1 Kg4?? 31.Bg6?? Qd4= 32.Kh1 hg6 33.h3 Kh5–+ 34.Qb4?? Bb4 35.Rb4 Qd3 36.Rff4 Qa3 37.g4 fg4 38.Rg4 Nc6 39.Rh4 Kg5 40.Rbg4 Kf5 41.Rf4 Ke5 42.Ra4 Qf3 43.Kh2 Qf2 44.Kh1 Rh4 45.Rh4 Qh4 (45...Qh4 46.Kh2 Kf4 47.Kh1 Qf2 48.h4 Kf3 49.h5 Qg2#) 0–1. Nautiluschess – patc, ICS blitz, 2001.

4.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 a5 4.ba5 Ra5).

4.e3 b6 5.d4 Nf6 6.Bd3 Nc6 7.Nf3 Nb4 8.Be2 Bb7 9.Nbd2 Na6 10.0–0 Be7 11.Nb3 Rh5 12.a4 Nb4 13.a5 Bd6 14.Ne5 Rg5 15.Bf3 Ba6 16.ab6 cb6 17.Re1 Qc8 18.c3 Nbd5 19.Bb2 Ne7 20.e4 Be5 21.h4 Rg2 22.Bg2 Bf4 23.Qf3 Bb8 24.h5 Rg8 25.e5 Nfd5 26.Nd2 f6 27.Ra3 fe5 28.de5 Rf8 29.Qe4 g6 30.Rea1 Rf4 31.Qe1 Bd3 32.hg6 hg6 33.Ra8 Rg4 34.Qd1 Bf5 35.Nf1 Nf4 36.Ne3 Rg5 37.Qf3 Ned5 38.Nd5 Rg2 39.Kh1 ed5 40.R1a4 Qb7 41.Qf4 Rg4 42.Rb8 Qb8 43.Qh6 Kd8 44.Rg4 Bg4 45.Qg5 Kc8 46.Qg4 Qe5 47.Qg6 Qe2 48.Qg8 Kc7 49.Qg3 Kc6 50.Ba3 Qe4 51.Kh2 Qh7 52.Qh3 Qg6 53.Qh8 Qe6 54.Bb4 Qf5 55.Qh6 Kb5 56.Qd2 Qe4 57.Kg3 Qg6 58.Kh4 Qf6 59.Kh5 Qf5 60.Kh6 Qf6 61.Kh7 Qf7 62.Kh8 Qf6 63.Kg8 Qe6 64.Kg7 Qe5 65.Kf7 Qf5 66.Ke7 Qe6 67.Kd8 Qe4 68.Kd7 d4 69.cd4 Qb7 70.Kd6 Qg7 71.d5 Qf6 72.Kd7 Qf5 73.Kd8 Qg4 74.d6 Qg8 75.Kc7 Qc4 76.Kb8 Qg8 77.Kb7 Qg2 78.Ka7 Qg8 79.Ba3 Qc4 1–0. COMP – COMP, 2001.

4.e3 Qf6 5.d4 c5 6.Bd2 Ra8 7.Bc3 d5 8.dc5 Qd8 9.Nf3 Nf6 10.Bd3 Bc5 11.Nbd2 Ra3 12.Ra3 Ba3 13.0–0 Nc6 14.Qa1 Bd6 15.e4 de4 16.Ne4 Ne4 17.Bg7+/– Rg8 18.Be4 f5 19.Bc6 bc6 20.Be5 Be5 21.Qe5 Qd5 22.Qb8 Kf7 23.Qa7 Bd7 24.Re1 Qf3?? 25.Qd7 Kf8 26.Qd6 (26...Kg7 27.gf3 Kh6 28.Kh1+–) 1–0. orane (2175) – rayban2 (1655), Caissa.com, 2004.

3.ba5 Nc6

4.c4 Na5 5.Nc3 Nc4–/+ 6.d3 Nb6 7.Rb1 Ba3–+ 8.Be3 Nf6 9.Rb3 d5 (9...d5 10.Nb5 Be7–+) 0–1. cristianj – ajochem (2305), net–chess.com, 2008.

4.d4 f5 5.Nf3 Nf6 6.e3 Na5 7.Nc3 b6 8.d5 Bd6 9.Nb5 Nd5 10.Nd6 cd6 11.Bb2 Qe7 12.Rb1 Bb7 13.c4 Nf6 14.Bd4 Bf3 15.Qf3 0–0 16.Rb6 d5 17.cd5 Nd5 18.Rb1 Rfb8 19.Rb5 Nb3 0–1. marekt – calbag, ChessWorld.net, 2013.

4.e4 Qh4 5.Nc3 Bc5 6.Nh3 Bd4 7.Bb2 Nf6 8.Bd3 Ne5?? 9.Qe2?? Ra5=+ 10.Ra2 0–0 11.a4 d5 12.Rf1? Nd3 13.Qd3 e5 14.ed5 Nd5 15.Ne4?? Nb4 16.Qb3 Qe4 17.Kd1 Qg2 18.Re1 Na2 19.Qa2 Bh3 20.Bd4 ed4 21.Qb2 Re5! (21...Re5 22.c4 Qf3 23.Re2 Qe2 24.Kc2 Qc4 25.Kb1 Re1 26.Qc1 Qc1 27.Ka2 Be6#) 0–1. Steve20 – smoothmovermovesagain, ChessWorld.net, 2006.

3.ba5 d5

4.Nf3 Ra5 5.Bb2 Rb5 6.Bc3 Rb6 7.e3 Nd7 8.a4 Rd6 9.d4 Ngf6 10.Bb4 Rb6 11.Bf8 Nf8 12.a5 Rb2? 13.Qc1+– Rb4 14.c3 Rb1 15.Qb1 Ng6 16.Bb5 Nd7 17.Qb4 c6 18.Bd3 e5 19.Bg6 hg6 20.de5 Rh5 21.e6! fe6 22.0–0 Nf6 23.Qb1 Ne4 24.c4! Qc7 25.Rd1 Rf5 26.Qc2 Ke7 27.Rd4 Bd7 28.cd5 (28.cd5 ed5 29.Nh4+–) 1–0. bambinik – ChessTiger14.0, internet, 2001.

4.Nf3 Nf6 5.c4 dc4 6.Qa4 Nc6 7.Nc3 Bd7 8.Qc4 Na5 9.Qa2 Bc5 10.d4 Bb6 11.Bf4 0–0 12.e4 Nc6 13.Qc4 Ng4 14.h3 Nf6 15.Bd3 Na5 16.Qa2 Be8 17.Ne2 c5 18.e5 Nh5 19.Bg5 Qc7 20.dc5 Bc5 21.Qc2 Rc8 22.Bd2 Qb6 23.Bh7 Kh8 24.0–0 g6 25.Ba5 Qa5 26.Bg6 fg6 27.Qd3 Qa6 28.Qa6 ba6 29.Nfd4 Bd7 30.g3 g5 31.Rfc1 Kg7 32.Rd1 Kg6 33.Rdb1 Bb5 34.Nb5 Rf2 35.Ned4 ab5 36.Kf2 Bd4 37.Ke2 Ng3 38.Kf3 Ba1 39.Ra1 Rc3 40.Kg2 Ne2 41.Rb1 Nf4 42.Kf1 Ra3 43.Rb5 Rh3 44.Kg1 g4 45.Rb4 Kf5 46.Rb7 g3 47.Rg7 Ke5 48.Rg8 Ke4 49.Rg4 Kf3 50.Rf4 Kf4 0–1. COMP – COMP, 2000.

3.Bb2 Nf6

(--> 1.b4 e6 2.Bb2 Nf6 3.a3 a5).

4.b5 d5 5.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5).

3.b5 a4

4.Bb2 c6 5.bc6 dc6 6.e3 Nf6 7.Nf3 Bd6 8.d4 Nbd7 9.Bd3 Qc7 10.Nbd2 0–0 11.c4 b6 12.h3 Re8 13.0–0 Bb7 14.Qc2 e5 15.de5 Ne5 16.Ne5 Be5 17.Be5 Qe5 18.Nf3 Qh5 19.Rab1 c5 20.Be2 (better is 20.Qe2!? Nd7 21.Rfd1=) 20...Be4–/+ 21.Qc3 (21.Qb2 Bb1 22.Qb1 Ne4–/+) 21...Bb1 22.Rb1 Rab8 23.Qc2 Qg6 24.Bd3 Ne4 25.Qa4 Nc3?? (25...f5!? 26.Qc2 Rbd8–/+) 26.Bg6?? (better is 26.Qe8! Re8 27.Bg6 Nb1 28.Bb1+–) 26...Na4+= 27.Bd3 Red8 28.Bf1 (28.Bc2 Ra8+=) 28...Nc3 29.Rc1 (29.Rb3 Na2+=) 29...Ne4–/+ 30.Ne5 (30.Rb1 Rd6–/+) 30...Ra8 31.Ra1 (31.Bd3!? Nd2 32.Rc3–/+) 31...Rd2–+ 32.Nd3 Nc3 33.f3 Ra2 34.Ra2 Na2 35.Ne5 Ra3 36.Nd7 Rb3 37.Kf2 f6 38.e4 Kf7 0–1. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Bb2 d5 5.e3 =.

4.d3 Be7 5.c4 Bf6 6.d4 c5 7.Bb2 d5 8.e3= Ne7 9.Nf3 0–0 10.Nc3 cd4 11.ed4 dc4 12.Bc4 (12.Bc4 Nf5 13.Ne4=). nay (2215) – sagaz (2370), net–chess.com, 2007.

3.b5 b6

4.a4 Bb7 5.f3 Bc5 6.d4 Qh4–/+ 7.g3 Qd4 8.Qd4 Bd4 9.c3 Be5 10.Bf4 Bf4–+ 11.gf4 Nf6 12.e4 d6 13.Bd3 Nbd7 14.Ne2 Nc5 15.Bc4 d5–+ 16.ed5 ed5 17.Ba2 Nd3 18.Kd2–/+ Nc5 19.Bb3?? Nb3–+ 20.Kc2 Na1 21.Kb2 0–0–0 22.Ka1 d4 23.Nd4 Nd5 24.Nf5 Nf4 25.Ng7 Bf3 26.Rf1 Rd3 27.Nf5 Ne2 28.Nh6 Bd5 29.Nf7 Bf7 30.Rf7 Nc3 31.Nc3 Rc3 32.Kb2 Rh3 33.Rf2 Rd8 34.Kc2 Rd4 35.Rf8 Kb7 36.Rf5 Ra4 37.Kb2 Rb4 38.Kc2 a4 39.Rf1 a3 40.Ra1 Rb2 41.Kc1 Rhh2 42.Ra3 Rb5 43.Ra4 Re5 44.Rd4 h5 45.Rd2 Rd2 46.Kd2 h4 47.Kd3 h3 48.Kd4 Re8 49.Kd5 h2 50.Kc4 h1Q 51.Kc3 Qc1 52.Kd4 Qe3 53.Kc4 Re4 54.Kd5 Qd4# (54...Rd4#) 0–1. ChessNo1 – coolerdude, ChessWorld.net, 2005.

4.Bb2 c6 5.bc6 Nc6 6.e3 Ba6 7.Ba6 Ra6 8.Nf3 Nf6 9.0–0 d5 10.d4 Bd6 11.Qe2 Ra8 12.Nbd2 0–0 13.c4 dc4 14.Nc4 Bc7 15.Rfc1 Qd5 16.Qc2 Rac8 17.Qa4?? Ne4?? 18.Nce5 Ne5 19.Ne5 Be5 20.de5 Nd2 21.Rd1 Qb3 22.Qb3= Nb3 23.Rab1 Rc2 24.h3 Nc5 25.Bd4= Ne4 26.f3 Ng3 27.Kh2 Ne2 28.Bb6 Nc3 29.Rdc1 1–0. Fournier,Frederic – andy27, ICC, 2005.

4.Nf3 Bb7 5.e3 f5 6.Bb2 Nf6 7.d4 Be7 8.Bd3 0–0 9.0–0 d6 10.a4 Nbd7? (better is 10...c6!?=) 11.Ng5+/– Bd5 12.c4 h6? (better is 12...Ne4 13.cd5 Ng5 14.de6 Nf6+–) 13.cd5 hg5 14.de6 Nb8 15.Bf5 Nd5 1–0. Feng,Jason – Weiss,Frederic, RL–2007–0–00106, 2007.

3.b5 c5

4.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 a5 4.b5 c5).

4.c4 b6 5.e3 d5 6.Bb2 Bb7 7.Nf3 f6 8.Be2 e5 9.d4 e4 10.Nfd2 f5 11.dc5 bc5 12.cd5 Nf6 13.Nc3 Nd5 14.Bc4 Nb6 15.Ba2 Qg5 16.0–0 N8d7 17.Qb3 0–0–0 18.Nc4 Be7? 19.Na5+– f4 20.ef4 Qf4 21.Nb7 Kb7 22.Nd5 Qg5 23.Ne7 Qe7 24.Qe3 Nf6 25.Rac1 Rd3 26.Qe2 Rhd8 27.Rfd1 Na4 28.Bf6 gf6 29.Bb1?? Nc3 30.Bd3= Ne2 31.Be2 e3 32.Rd8= ef2 33.Kf2 Qd8 34.Rc4 Kb6 35.Ra4 Qd2 36.g4 h5? 37.gh5+/– Qg5 38.h4 Qf5 39.Ke3 Qe5= 40.Kd2 Qb2 41.Ke1 Qb1 42.Kf2 Qf5 43.Ke3 Qe5= 44.Re4 Qg3 45.Kd2 f5 46.Re6 Kb7 47.Re3 Qh4 48.Rc3 Kb6 49.Kc2 f4 50.Rd3 c4 51.Rc3 Qf2 52.Kd1 Qd4 53.Kc2 Qf2 54.Kd1= Qd4 55.Kc2 Qf2 ½–½. Schott,Detlef (1875) – Scharrenbroich,Andreas (1835), Niederrhein–ch, 2005.

3.b5 c6

4.Nc3 cb5 5.Nb5 Nc6 6.d4 d6 7.e4 Bd7 8.Nf3 Nf6 9.Bd3 a4 10.0–0 Be7 11.Bf4 Qb8 12.e5+– Nd5 13.ed6 Nf4 14.Nc7 Kd8 15.Na8 Bd6 16.Nb6 (16...Qc7 17.Nd7 Nd3 18.cd3 Kd7 19.d5 ed5 20.Qa4+–) 1–0. lucya (2130) – cagme_US (1900), GameColony.com, 2002.

4.e3 Qb6 5.Nc3+= Nf6 6.Rb1 Qc7 7.Nf3 cb5 8.Nb5+/– Qd8 9.c4 Be7 10.Bb2 0–0 11.Qc2 Nc6 12.Bd3 d6 13.Bf6+– Bf6 14.Bh7 Kh8 15.h4 g6 16.h5 Kh7 17.hg6 Kg7 18.Rh7 Kg8 19.Ng5! Bg5 20.gf7 Rf7 21.Qg6 Kf8 22.Qf7# 1–0. Marr33 (2130) – Hiro7 (1695), Rated game, 5m + 0s, 2010.

4.e3 d5 5.Bb2 Nf6 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a5 5.b5 c6 6.c4).

4.e3 d5 5.Bb2 Nf6 6.Nf3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 a5 6.b5).

4.e3 h5 5.Nc3 d5 6.f4 c5 7.Be2 c4 8.Nf3 Bd7 9.0–0 Bc5 10.d3 Ke7? (better is 10...Qb6 11.dc4 Be3 12.Kh1 Bc1 13.Qc1 dc4+/–) 11.dc4+– Qb6 12.Na4 Qa7 (12...Be3 13.Kh1 Qa7 14.Ne5+–) 13.Rb1 (13.Nd4 dc4 14.Bc4 Nf6+–) 13...Be3 14.Kh1 Bc5?? (14...dc4 15.Ne5 Bb6+–) 15.b6 Qa6 (15...Bb6 16.Nb6 d4+–) 16.Nc5 Ba4 17.cd5 Bc2 18.Qc2 Nf6 19.d6! Kd6 20.Ne4 Ne4 (20...Ke7 21.Qc5 Ke8 22.Nd6 Kf8 23.Nf5 Kg8 24.Qc8 Kh7 25.Ng5 Kg6 26.Ne7 Kh6 27.Qh8 Nh7 28.Qh7#) 21.Qc7 Kd5 22.Rd1 Nd2 23.Rd2 Ke4 (23...Qd3 24.Rd3 Ke4 25.Qe5#) 24.Qe5# 1–0. marekt – Eries, ChessWorld.net, 2012.

4.e4 d5 5.e5 c5 6.Nf3 f6 7.Bb2 fe5 8.Ne5 Nf6 9.f3 Nbd7 10.Nd7 Bd7 11.Be5 Qb6 12.Nc3 Bd6 13.f4 0–0 14.Qe2 d4 15.Na4+= Qc7 16.Bd6 Qd6 17.Qe5 Qe5 18.fe5 Ng4 19.Nc5 Ne5 20.Nb7 Rab8 21.Na5 Bb5 22.Nb3 Bf1 23.Rf1 Nc6 24.Ke2+/– e5 25.Rfb1 e4 26.c3 e3 27.Nd4+– ed2?? 28.Nc6 Rbc8 29.Ne7 (29...Kf7 30.Nc8 Rc8 31.Kd2 Rd8 32.Kc2+–) 1–0. kolya (2070) – Karlotta (1775), GameColony.com, 2002.

3.b5 d5

4.d4 Nf6 5.Nf3 Be7 6.e3 0–0 7.Bd3 c5 8.c3 (8.Nc3 Nbd7+=) 8...a4 9.0–0 c4 10.Bc2 Qa5 11.Qd2 Bd7 12.e4 Ne4 13.Be4 de4 14.Ne1 Qb5 15.Qf4 f5 16.Nd2 e5! 17.Rb1 (17.de5 Nc6 Decoy; 17.Qe5 Qe5 Combination) 17...ef4 18.Rb5 Bb5 19.Nc2 Nd7 20.Rd1 Nf6 21.Nb4 (21.Nb1 Nd5–+) 21...Bb4 22.cb4 c3 23.Nf1 g5 24.d5 Rfd8 25.d6 Ra6 26.Rd5 Nd5 0–1. ness75 – _chess_, gameknot.com, 2011.

4.d4 Nf6 5.Bf4 Bd6 6.Bd6 Qd6 7.Nf3 Nbd7 8.e3 0–0 9.c4 dc4 10.Bc4 c6 11.Nc3 c5 12.0–0 b6 13.Na4 cd4 14.Nd4 Bb7? 15.Ne6+– Qd1 16.Rfd1 Rfc8 17.Bb3 h6 18.Rd6 Rab8 19.Nd4 Nc5 20.Nb6 Nb3 21.Nb3 Rc2 22.Na5 Be4 23.a4 Ne8 24.Rd4 Bf5 25.Nd5 Be6 26.Nc6 (26.Nc6 Rb7 27.Ndb4+–) 1–0. themonkey (2125) – saxe0 (1845), GameColony.com, 2002.

4.e3 c6 5.Bb2 Bd7 6.bc6 Nc6 7.Nf3 Nf6 8.d4 Rb8 9.c4 dc4 10.Bc4 b5 11.Bd3 Be7 12.0–0 0–0 13.Qe2 b4 14.ab4 Nb4 15.Bc4 a4 16.Nc3+= Qa5 17.Ne5+/– Be8 18.Ba3 Nfd5+= 19.Qd2 Nc3 20.Qc3 Bb5 21.Rab1 Rfc8?? 22.Bb4+– Bb4 23.Qb4 Qb4 24.Rb4 (24.Rb4 Bc4 25.Rb8 Rb8 26.Nc4+–) 1–0. Winiger,Albert (2340) – Langschmidt,Dirk (2015), RSS5D adv–8 remoteschach.de, 2004.

4.Nf3 Nf6 5.e3 c5 6.c4 Nbd7 7.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3 Nbd7 7.c4).

3.b5 Nf6

4.a4 d5 5.Nf3 Bd6 6.e3 0–0 7.d4= Ne4 8.Bd3 Nd7 9.0–0 Qe7 10.c4 b6 11.Ba3 Ndf6 12.Be4 Ne4 13.Bd6+= Qd6 14.Ne5 f6= 15.Nc6 Bd7 16.f3 Ng5 17.h4 Nf7 18.cd5 ed5 19.Qc2 Rfe8 20.Re1 Re6–/+ 21.Nd2 Bc6 22.bc6 Nd8 23.Kf2 Nc6–+ 24.Rac1 Rae8 25.Nf1 Nb4 26.Qf5 g6 27.Qb1 Qe7 28.Rc3 c5 29.dc5 d4 30.Rb3 Qc5 31.e4 Rc8 32.g3 Rec6 33.Kg2 Qd6 34.f4 Rc2 35.Kg1 R8c4 36.Rb2 Qc5 37.Rc2 Nc2 38.Kg2?? Ne1 (38...Ne1 39.Qe1 Rc2 40.Kh3 Qc4–+) 0–1. alexp (2390) – fifteenminutesofgame (2400), net–chess.com, 2004.

4.c4 d5 5.cd5 ed5 6.e3 Bd7 7.a4 Bd6 8.Nf3 Bg4 9.Bb2 0–0 10.Be2 Nbd7 11.d3 c6 12.bc6 bc6 13.Nbd2 Bb4 14.0–0 Rb8 15.Rb1 Bd2 16.Nd2 Be2 17.Qe2 Nc5 18.Qd1 Nd3=+ 19.Bf6 Qf6 20.Rb8 Rb8 21.Nf3 Ne5 22.Nd4 Nc4 23.Qc2 c5 24.Nb3 Qb6 25.Rb1?? Na3–+ 26.Qb2 Nb1 27.Qb1 Qb3 (27...Qb3 28.Qb3 Rb3–+) 0–1. Fournier,Frederic (2010) – Dinara (2570), Echecs21, 2003.

4.e3 d5 5.Nf3 (--> 2.a3 Nf6 3.Nf3 d5 4.e3 a5 5.b5).

4.Nf3 (--> 2.a3 Nf6 3.Nf3 a5 4.b5).

4.Nf3 d5 5.e3 (--> 2.a3 Nf6 3.Nf3 d5 4.e3 a5 5.b5).

2.a3 a6

3.d4 Nf6 4.Nc3 Be7 5.Nf3 0–0 6.e4 b6 7.e5 Ne8 8.h3 Bb7 9.Be2 c5 10.dc5 bc5 11.bc5 Bc5 12.0–0 Nc6 13.Re1 Qb6 14.Rf1 Qc7=+ 15.Bb2 Ne5–/+ 16.Re1 Nc4?? 17.Bc4+/– Bf2 18.Kf2 Qc4 19.Rb1 Nf6 20.Ne5 Qf4 21.Nf3 Rab8 22.Qd4 Qf5 23.Qd3 Qh5 24.Bc1 Rfc8 25.Bf4+– Qc5 26.Kf1 Qc3 27.Bb8 Bf3 28.gf3 Qc2 29.Qc2 Rc2 30.Be5 Rc8 31.Bf6 gf6 32.a4 Kf8 33.Rb6 a5 34.Ra6 Rc3 35.Kf2 Rc5 36.Rb1 d5 37.Rb5 Rc2 38.Kg3 Kg7 39.Rba5 d4 40.Rd6 e5 41.Rad5 Re2 1–0. pillsbury (1910) – kyzomoto (1845), net–chess.com, 2007.

3.e4 b5 4.Nf3 Bb7 5.d3 g6 6.Be2 Bg7 7.0–0?? (better is 7.c3+=) 7...Ba1–+ 8.Nbd2 d5 9.Re1 Nf6 10.Nh4 (10.e5 Nfd7 11.d4 Bc3–+) 10...de4 11.Ne4 (11.Nb3 Bc3 12.Bd2 Bd2 13.Qd2 ed3 14.Bd3–+) 11...Ne4 12.de4 Qh4 13.g3 Qe4 (better is 13...Qf6 14.Bg5 Qg5 15.Qa1–+) 14.f3 (14.Bb5 ab5 15.Re4 Be4 16.Bg5–+) 14...Qd5 15.Bd3 (15.Bf4 Bc3 16.Qd5 Bd5–+ (16...Be1?? 17.Qb7 0–0 18.Qa8+–)) 15...Bd4 (better is 15...Qf3!? 16.Qf3 Bf3 17.Kf1–+) 16.Kg2 Nd7 (better is 16...Bc3 17.Re3 0–0 18.Qe2–+) 17.Be4 Qc4 18.Bb7 Ra7 19.Be4 (19.Bc6 0–0 (19...Qc6?! 20.Qd4 Qc2 21.Kh3–+) 20.Bd7 Rd8 21.Be6 fe6–+) 19...Ne5 20.h3 f5 21.Bd3 Qd5 22.Be3 c6 (better is 22...Be3 23.Re3 0–0–+) 23.Qd2 (23.Bd4 Qd4 24.Qe2 Nd3 25.Qe6 Kd8 26.cd3–+) 23...Nf3 24.Qf2 Ne1 25.Kh2 Be3 26.Qe1 Qe5 27.Kg2 f4 28.gf4 Qf4 29.c3 Rf8 (29...Rd7 30.Qb1 Qf2 31.Kh1 Rd3 32.Qe1 Qe1 33.Kg2 Qe2 34.Kh1 Rd1) 30.h4 Qg4 31.Kh1 Qh3# 0–1. pieeater – 488, ChessWorld.net, 2012.

3.Bb2 Nf6

(--> 1.b4 e6 2.Bb2 Nf6 3.a3 a6).

4.e3 b5 5.c4 bc4 6.Bc4 Bb7 7.Nf3 (--> 1.b4 b5 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.c4 bc4 7.Bc4).

3.e4 Nc6

4.Bb2 e5 5.Nf3 Nf6 6.Bc4 h6 (6...Ne4 7.Bd5= (worse is 7.Ne5 Ne5 8.Be5 Qe7–/+; worse is 7.Be5 Qe7–/+)) 7.Nc3 b5 8.0–0?? (8.Bb3 d6+=) 8...Bb7?? (8...bc4 9.Qe2–+) 9.Qe2?? (better is 9.Bd5!? Bd6 10.Bc6 dc6 11.d4 ed4 12.Qd4+=) 9...Nd4?? 10.Nd4+= ed4 11.Nd1 Qe7?? 12.Bb3 Be4 13.d3 Bd5 14.Bd5?? Nd5?? 15.Qf3+/– c6 16.Bd4 Qg5 17.Re1 Be7 18.Bc5 0–0= 19.Be7 Rfe8 20.Nb2 Ne7 21.c3 d5 22.d4 Nf5 23.Nd3 Nd6 24.a4 Re4 25.Red1 Rae8 26.h3 Ra8 27.Ne5 f6 28.Nc6 Rf4?? 29.Qd3 Ne4 30.Rd2?? Nd2= 31.Qd2 Re8 32.ab5 ab5 33.Na7 Ra8 34.Qe3 Re4 35.Qf3 Qd2 36.Kh2 Kf7 37.Qf5 Qc3 38.Ra6?? Qd4 39.Qh5?? Kg8 40.Qf5?? Re5 41.Qf3?? Qb4 42.g3?? Qe7 43.h4 Ra7 44.Kh3 Ra6 45.g4 Ra3 46.Qa3 Qa3 47.Kg2 Re2 48.h5 Qe3 49.Kg1 Qf2 50.Kh1 Qh2# (50...Qe1#) 0–1. pieeater – 488, ChessWorld.net, 2013.

4.Nf3 b5 5.Bb2 Nh6 6.d3 e5 (6...d5!?=) 7.Ne5+/– Ne5 8.Be5 d6 9.Bd4 Qg5 10.Nd2 Bb7 11.Nf3 Qd8 12.Be3 Ng4 13.g3 (13.Bf4!?+/–) 13...Ne3+= 14.fe3 d5 15.Ne5?? (better is 15.ed5 Bd5 16.c4 bc4 17.dc4+/–) 15...Bd6 16.Ng4 Qg5 17.Qf3 0–0 18.h4 (18.Qf5 Qf5 19.ef5 a5 20.ba5 Ra5+=) 18...Qe7 (18...de4 19.hg5 ef3–/+) 19.Bh3? (better is 19.ed5 Rae8 20.Kd2=) 19...de4–+ 20.Qe2?? (20.Qg2–+) 20...ed3 21.cd3 Bh1 22.Kd2 Bg3 23.Rh1 Qh4 24.Kc2?? Rfe8 25.e4?? Qg5 26.Rg1 Be5 27.Rg2 Qh4 28.Qe3 Rad8 29.Rd2 Rd6 30.Rg2 Rc6 31.Kd1 Bc3 32.Re2 Rd8 33.Kc2 Bd4 34.Kd2 Be3 ½–½. dumbroad – 488, ChessWorld.net, 2013.

2.a3 b5

3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b5).

3.e3 a6 4.Nf3 f5 5.Bd3 g5 (5...Nf6!?=) 6.Bb2+/– Nf6 7.Ng5 h6 8.Nh3 Rg8 Black claimed a win on time 0–1. pieeater – dunk0104, ChessWorld.net, 2012.

3.e4 a6 4.Nf3 d5 5.e5 f5 (5...d4 6.c4 bc4 7.Bc4+=) 6.ef6 Nf6 7.Be2 h6? (7...Bd6 8.d4=) 8.Nc3 (8.Ne5 Rg8 9.d4+/–) 8...Ne4? (better is 8...Bd6+=) 9.Ne4+– de4 10.Ne5 Qf6?? (better is 10...Bd6 11.Bh5 Kf8 12.Ng6 Kg8 13.Nh8 Kh8+–) 11.Bh5 Ke7 12.Bb2 Kd8 13.Nc6!! Nc6 14.Bf6 Kd7 15.0–0 gf6 16.d3 ed3 17.Qd3 Ke7 18.Rfe1 Ne5 19.Qe4 Ra7 20.Rad1 Bb7 21.Qh4 Nc6 22.Bg4 e5 23.Rd7 Ke8 24.Qh5 1–0. pieeater – dunk0104, ChessWorld.net, 2013.

3.e4 Bb7 4.d3 d5 5.Nf3 de4 6.de4 Qd1 7.Kd1 a6 8.Nc3 c5 9.Bd3 (9.bc5!? Bc5 10.Ke1+=) 9...cb4–/+ 10.ab4 Bb4 11.Bd2 Nf6 (11...Be7–/+) 12.Ke2? (better is 12.Nb5!? Bd2 13.Nc7 Kd8 14.Na8=) 12...0–0 (12...Bc3 13.Bc3 Ne4 14.Bd4–+) 13.Rhe1 (better is 13.e5!? Bf3 14.Kf3–/+) 13...Bc3–+ 14.Bc3 Be4 15.Be4 Ne4 16.Bd2 Nd2 17.Kd2 Nc6 18.h3 Rfd8 19.Kc1 a5 20.g4 b4 21.h4 a4 22.Nd2 Nd4 23.g5 b3 24.cb3 Nb3 25.Nb3 ab3 26.Kb2 Ra1 27.Ka1 Rd2 28.f4 Rf2 29.Rd1 g6 30.Rd8 Kg7 31.Rd1 Rf4 32.Kb2 Rh4 33.Kb3 Rg4 34.Ka3 Rg5 35.Kb4 h5 36.Kc4 Rg4 37.Kc5 h4 38.Rh1 g5 39.Kd6 Rd4 40.Ke5 Rd5 41.Ke4 f5 42.Ke3 Kg6 White resigned 0–1. pieeater – retiponziani, ChessWorld.net, 2012.

3.e4 g6 4.Bb2+/– Nf6 5.Bb5 c6 6.Ba4 Bg7 7.d3 0–0 8.Nd2 d5 9.Ne2 Qb6 10.Bd4 Qc7 11.f4 Nfd7 12.Bg7 Kg7 13.c4 de4 14.Ne4 Nf6 15.Nf6+– Kf6 16.0–0 Kg7 17.Qc2 Nd7 18.Rae1 Bb7 19.Qc3 Kg8 20.Bc2 f5? 21.Nd4+– e5 22.Ne6 Qc8 23.Nf8 Qf8 24.fe5 c5 25.e6 Nb6 26.e7 Qe8 27.bc5 Nc8 28.Ba4! (28.Ba4 Qe7 29.Re7 Ne7 30.Qf6+–) 1–0. Rosner,Dirk – Nagel, Tiger SC, 1999.

3.Bb2 Bb7

4.Nf3 Nc6 5.d4 Nf6 6.Nc3 a6 7.e4+= a5 8.ba5+/– Na5 9.Bb5 Nc6? 10.0–0+– d5? 11.ed5 Nd5? 12.Nd5 ed5 13.Re1 Be7 14.Re5 0–0+/– 15.Rh5 Bf6 16.c3 g6 17.Rh6 Qd7 18.Qe2 Rfe8 19.Qf1 Kg7 20.Bc1 g5 21.Bg5?? Bg5=+ 22.Bc6 Bc6–/+ 23.Rh3 h6 24.Ng5 hg5–/+ 25.Qd3 Rh8 26.Rh8 Rh8 27.Qg3 f6 28.h3 Qf5 29.Re1 Qd7 30.f4 Qd6–/+ 31.Rf1 Kf7 32.Qg4 Bd7 33.Qf3 gf4 34.Qf4 Re8?? 35.Qd6= cd6 36.g4 Kg6 37.Kh2 f5 38.gf5 Bf5 39.Rg1 Kh5 40.Rg3 Re4 41.a4 Re2 42.Rg2 Bd3 43.Re2= Be2 44.Kg3 Kg5 45.h4 Kh5 46.a5 Bc4 47.Kh3 Ba6 48.Kg3 Kg6 49.Kg4 Be2 50.Kg3 Kf5 51.Kf2 Bc4 52.Kg3= Ke4 53.h5+= Kf5 54.Kh4 Ke6 55.Kg5 Kf7 56.h6 Bd3 57.h7 Bh7?? 58.a6+– (58.a6 Be4 59.a7+–) 1–0. I need chocolate... – Garyman, ChessWorld.net, 2005.

4.Nf3 d6 5.e3 a6 6.d4 d5 7.Bd3 Nf6 8.0–0 Qd6 9.g3 Nc6 10.h3 Nh5 11.Ne5 f6 12.Qh5 g6 13.Bg6 Ke7 14.Nf7 Qd7 15.Nh8 hg6 16.Ng6 Kd6 17.Nf8 Rf8 18.f4 f5 19.Nc3 Rf7 20.Qe2 Rh7 21.Nb5 Ke7 22.Nc3 Qe8 23.b5 Qh8 24.bc6 Rh3 25.Qf3 Bc6 26.a4 Be8 27.Kf2 Bh5 28.Qg2 Bg4 29.Nd5 Kd6 30.Ba3 Kd7 31.Rh1 ed5 32.Qd5 Ke8 33.Qa8 Kf7 34.Qh8 Rh8 35.Rh8 (35...Kg7 36.Rc8+–) 1–0. Borup,John – Karlsson,Roger, IECC, 2000.

4.Nf3 Nf6 5.e3 (--> 1.b4 Nf6 2.Bb2 b5 3.e3 Bb7 4.Nf3 e6 5.a3).

3.Nc3 a6

4.d3 Qf6 5.Bb2 d5 6.Rb1 a5 (6...Qd8!?=) 7.Nb5+/– Qe7 8.Qd2 (8.Be5!? Na6 9.ba5+/–) 8...Ba6 9.Nd4 e5 (9...ab4 10.ab4 Qb4 11.Ngf3=) 10.Nf5 Qe6 11.e4 de4 12.Ne3 (better is 12.de4!? Bf1 13.Kf1+=) 12...ab4+= 13.ab4 Nc6 14.Ba3 (better is 14.de4!? Bb4 15.c3=) 14...Qa2 15.Rb3? (15.Qc1 ed3 A) 16.Bd3? Bd3 17.cd3 Nd4–+ (17...Ra3?! 18.Qc6 Kd8 19.Qc2+=; 17...Qa3?! 18.Qc6 Kd8 19.Nc2+=); B) 16.Ra1–/+) 15...Nd4–+ 16.Rc3 ed3 17.Bd3 Bd3 18.Qd3 (18.Rd3 Ra3 19.Ra3 Qa3 20.c3–+) 18...Qb1 (18...Qa1!? 19.Nd1 Ra3 20.Ra3 Qa3 21.c3 (21.Qa3?? Nc2 22.Kd2 Na3–+) 21...Bb4 22.Qg3–+) 19.Kd2? (19.Qd1 Qd1 20.Kd1 Nf6–+) 19...Ra3! (19...Bb4 20.Bb4 Nf6 21.Ba3–+) 20.Ra3 Bb4 21.Rc3? Bc3 22.Qc3 c6 23.h4? Nf6–+ 24.f3 0–0 25.Nd1 Ra8 26.Nb2 Ra2 27.Ne2 Rb2 28.Rb1+– Rc2?? 29.Qc2 Nc2 30.Kc2 Kf8+– 31.Rb7 e4 32.f4 Ng4 33.Nd4 c5 34.Nf5 g6 35.Nd6 Ne3+– 36.Kd2 Ng2 37.Rf7 Kg8 38.Rc7 Nf4 39.Rc8 Kg7 40.Rc5 Ng2 41.Ne4 Nh4 42.Rc7 Kh6 43.Ke2 g5 44.Nf6 Kg6 45.Ng4 h5 46.Ne5 Kf5 47.Nd3 g4 48.Rc5 Kg6 49.Kf2 Nf5 50.Nf4 Kg5 51.Ne6 Kf6 52.Nf4 h4?? 53.Kg2 g3? 54.Nh3 Ne3 55.Kf3 Nf5 56.Kg4 Ne3 57.Kh4 Nf1 58.Ng1 Ke6 59.Kh3 Kd6 60.Rc1 Ne3 61.Kg3 Nf5 62.Kf2 Kd5 63.Rd1 Kc4 64.Ne2 Ne7 65.Rd4 Kb5 66.Kf3 Nc6 67.Rd5 Kc4 68.Rd2 Ne5 69.Kg2 Kc5 70.Rd4 Nc6 71.Rd1 Kb4 72.Rb1 Ka3 73.Nc3 Ne5 74.Nb5 Ka2 75.Rd1 Kb3 76.Nd4 Kc3 77.Nf5 Kc2 78.Ne3 Kb3 79.Nd5 Kc4 80.Kg3 Nd3 81.Nb6 Kc3 82.Na4 Kc2 83.Rf1 Nc1 84.Rf2 Kb3 85.Nc5 Kb4 86.Ne4 Nd3 87.Rd2 Ne5 88.Kf4 Ng6 89.Kf5 Ne7 90.Ke6 Nc6 91.Kf6 Na7 92.Rd4 Kb3 93.Ke6 Nc6 94.Rd3 Kb4 95.Kd5 Ne7 96.Ke6 Ng6?? 97.Rd4+– Kb3 98.Nc5 Kc3 99.Re4 Kd2 100.Kf7 Nh8 101.Kf6 Kc3 102.Ke6 Ng6 103.Kf5 Nf8 104.Kf6 Kd2 105.Rh4 Kc3 106.Kf7 Nd7 107.Nd7 Kd3 108.Ne5 Ke3 109.Kf6 Kf2 110.Kf5 Kg3 111.Kg5 Kf2 112.Kg4 Ke3 113.Kf5 Kf2 114.Kg4 Ke3 115.Rh3 Kd4 116.Nf3 Kd5 117.Kf4 Kc4 118.Ne5 Kd5 119.Rd3 Ke6 120.Rd4 Kf6 121.Rd6 Ke7+– 122.Nc4 Kf7 123.Ne5 Ke7+– 124.Rh6 Kd8 125.Nc6 Kc7 126.Ke5 Kb7 127.Kd5 Kb6 128.Nb8 Ka5 129.Kc4 Ka4 130.Ra6# 1–0. dumbroad – dunk0104, ChessWorld.net, 2012.

4.e4 Bb7 5.d3 g6 6.Bb2 Bg7 7.Nf3 Ne7 8.Be2 0–0 9.0–0 d5 10.ed5 Nd5 11.Qd2 c5 12.Rab1 cb4 13.Nd5 Bb2=+ 14.Rb2 ba3–/+ 15.Ra2 Bd5 16.c4 Bc6 17.Ra3 Qe7 18.Raa1 b4 19.Nd4 a5–/+ 20.Nc6 Nc6 21.Bf3 Qd6 22.Qe3 Ra6 23.Bc6 Qc6 24.Qe4 Qe4 25.de4 Rc8 26.Rfc1 Rc5 27.f3? a4 28.Rcb1 Rc4 29.Kf2 a3 30.Kg3 Ra4 31.Rc1 Rc1 32.Rc1 a2 33.h4 b3 34.h5 g5 35.e5 0–1. ftyre – vkurpnieks, net–chess.com, 2000.

2.a3 b6

3.Bb2 a5 4.e3 ab4 5.ab4 Ra1 6.Ba1 Bb4?? 7.Bg7+– f6 8.Bh8 Qe7 9.Qg4 Qf7 10.Bf6 Bd2 11.Nd2 Nf6 12.Qc4 Ba6 13.Qc7 Bf1 14.Qb8 Ke7 15.Kf1 Ng4 16.Ngf3 e5 17.Qb6 e4 18.Qb4 d6 19.Qe4 (19...Ne5 20.Ne5 de5 21.Qe5 Qe6 22.Qe6 Ke6 23.Ke2+–) 1–0. PepRally – grigoropoulo3, Live Game Caissa's Web, 2004.

3.Bb2 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.a3 e6).

3.Bb2 d5 (--> 1.b4 d5 2.Bb2 e6 3.a3 b6).

3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6).

3.Nc3 Bb7 4.e3 Nf6 5.Nf3 Bf3 6.Qf3 Nc6 7.Qf4 (7.Ba6!?+=) 7...Bd6= 8.Qg5 0–0 9.h4 (9.Bb2!?=) 9...h6 (better is 9...a5 10.Bb2 h6–/+) 10.Qf6?? (better is 10.Qb5+=) 10...Qf6–+ 11.b5 Ne7 12.Bb2 Qg6 13.0–0–0 a6! 14.f3 (14.ba6 c6 Decoy) 14...c6 (14...ab5!? 15.Nb5 Bg3 16.Bd3–+) 15.ba6 b5 16.Ne4 Bc7 17.g4 f5 18.h5 Qf7 (18...fe4?! 19.hg6 ef3 20.c4 bc4 21.g5 hg5 22.Rh7–+) 19.Nc5 Nd5 (19...d6!? 20.Nd3–+) 20.g5 hg5 21.h6 gh6 22.Rh6 d6 (better is 22...e5–+) 23.Rh8 1–0. bertwhistle – fredric2, gameknot.com, 2013.

3.d3 Ba6 4.e4 h6 5.g3 Bb7 6.Bg2 Nc6 7.Bb2 d6 8.e5 d5 9.Ne2 g5 10.d4 b5 11.c3 a5 12.Nd2 ab4 13.ab4 Ra1 14.Qa1 f6 15.ef6 Nf6 16.Qb1 Rg8 17.Nf3 Bd6 18.0–0 Na7 19.Bh3?? (19.Qd3 Qd7+/–) 19...Bc8?? (better is 19...g4 20.Qd3 Ne4–+) 20.Bg2 Bb7 21.Re1 g4 22.Ne5 Be5 23.de5 Nh5 24.Qh7 Qe7?? (better is 24...Rg7 25.Qh6 Qg5 26.Qg5 Rg5+–) 25.Qg8 Qf8 26.Qe6 Qe7 27.Bd5 Bc8 (27...Qe6 28.Be6 Bf3+–) 28.Qh6 Ng7 29.Nf4 Kd8 30.Qh8 Kd7 31.Rd1 (31.Rd1 c5 32.Be4 Kc7 33.Nd5 Kb8 34.Ne7 Ne6 35.Rd7 Nf4 36.Rb7 Ka8 37.Rb5 Nd5 38.Bd5 Nc6 39.Qc8 Ka7 40.Nc6) 1–0. Daz101 – 488, ChessWorld.net, 2012.

3.d4 g6 4.Nc3 Bg7 5.Bb2 Bb7 6.e4 d6 7.Nf3 Ne7 8.Be2 Nd7 9.0–0 0–0 10.Re1 h6 11.Bf1 a6 12.g3 b5 13.Bg2 1–0. pillsbury (2015) – ramoschessbrasil (2325), net–chess.com, 2011.

3.e3 c5 4.b5 a6 5.ba6 Ba6=+ 6.d3 Nc6 7.Bb2 Nf6 8.Nf3 d5 9.Be2 Bd6 10.0–0 0–0 11.Nbd2 Ng4 12.e4 d4=+ 13.h3 Nge5 14.c3 dc3 15.Bc3 Nd3 16.Ne5?? Nce5 17.Be5 Be5 18.Bd3 Bd3 19.Rc1 Bf1 20.Kf1 Qd3 21.Kg1 Rfd8 22.g3 Qd2 (22...Qd2 23.Qc2 Ra3 24.Qd2 Rd2–+) 0–1. aliwood – renegade, internet, 2005.

3.e3 g6 4.d4 Nc6 5.c4 Nb4? 6.ab4+– Nf6 7.Bd3 Ba6?? 8.Qf3 Bb4 9.Bd2 c6 (9...c6 10.Bb4 Bb7+–). mgriffin (1810) – buckfast, net–chess.com, 2001.

3.e4 a5 4.b5 Bc5 (better is 4...Bb7 5.Nc3 f5+=) 5.a4?? (better is 5.d4 Be7 6.Bd3+=) 5...Qf6–+ 6.Nf3 (6.d4 Bd4 7.Bf4 Ba1 (7...Qf4?! 8.Qd4 Qc1 9.Qd1 Qd1 10.Kd1–/+) 8.Bc7 Bb7–+) 6...Qa1 7.Nc3 Ba3 (7...Bb4!? 8.Bd3–+) 8.Ba3 Qa3 9.Be2 Ne7 10.0–0 0–0 11.Qa1 Qa1 12.Ra1 d5 13.ed5 Nd5 14.Ne4 c6 15.c4 (15.d4 Rd8 16.Re1 Bb7–+) 15...Nb4 (15...Nf4 16.Kf1–+) 16.Nd6 (16.d4 Rd8–+) 16...Nd7 (16...Rd8 17.Nc8 Rc8 18.Re1–+) 17.h3 c5 18.Ne5 (18.Rd1–+) 18...Ne5 19.Rd1 (19.f4 Ned3 20.g3 Rd8–+) 19...Ra7 (better is 19...Nbd3!? 20.g3 Rd8 21.f4 Rd6 22.fe5 Ne5 23.Kf2–+) 20.d4 cd4 21.Rd4 Rd7 22.Bf3 (22.f4 Nc4! 23.Bc4–+) 22...Nf3 23.gf3 Rfd8 24.f4 Rd6 25.Rd6 Rd6 white resigned 0–1. pillsbury (2090) – baumel (1855), net–chess.com, 2012.

3.e4 d6 4.d4+= h6 5.Bd3 Nc6 6.Nf3 Be7 7.Qe2 Nf6 8.b5 Na5 9.0–0 0–0 10.e5 de5 11.de5 Nd7?? 12.Qe4+– g6 13.Qa8 Kg7 14.Qe4 Nc5 15.Qe3 Bg5 16.Ng5 hg5 17.Be2 Rh8 18.Rd1 Qe7 19.Nc3 Bb7 20.Qg3 Ne4 21.Ne4 Be4 22.Bg5 (22...Qf8 23.Bf6 Kg8 24.Bh8 Kh8 25.Qh4 Kg7 26.Qf6 Kh7 27.Rd7+–) 1–0. Taulien,Hans_Juergen – Bitterling,Erik, remoteschach.de, 2003.

3.e4 Qf6 4.d4+= Ba6 5.Ba6 Na6 6.Nf3 Nh6 7.0–0 Ng4? 8.e5 Qe7? 9.Qe2 g6 10.Qe4 Nh2 11.Qa8 Qd8 12.Qd8 Kd8 13.Bg5 Be7 14.Be7 Ke7 15.Kh2 h5 16.c4 h4 17.Nc3 f5 18.Nb5 Rh5 19.Na7 g5 20.c5 g4 21.cb6 gf3 22.b5 Rg5 23.ba6 fg2 24.Rg1 f4 25.Nc8 Kd8 26.bc7 Kc8 27.a7 f3 28.a8Q Kc7 29.Rgc1 Kb6 30.Rab1# 1–0. Taulien,Hans_Juergen – Lausch,Axel, RSXL2 –2003.

3.e4 Nf6 4.Nc3 c5 5.bc5+= bc5 6.Bb5 Bd6 7.Nf3+= e5 8.0–0 a6 9.Bc4 Bb7 10.d3 Nc6 11.Bg5 Nd4 12.Nd5+/– Nf3 13.Qf3 Bd5 14.Bd5 Rb8 15.Bc4 Be7 16.Ba6+– h6 17.Bh4 Rb2 18.Qf5 d6 19.c4 0–0 20.Bb5 g6 21.Qf3 g5 22.Bg3+– h5 23.Qe3 Ng4 24.Qc1 Re2 25.Qd1 Rb2 26.Re1 h4 27.Bh4 gh4 28.Qg4 Bg5 29.h3 Qf6 30.Rf1 Rd2 31.Rad1 Ra2 32.a4 Rb8 33.g3 Kh7 34.f4 ef4+/– 35.Qh5 Bh6 36.Rf4 Qf4?? 37.gf4+– Rg8 38.Kf1 Rgg2 39.Qf7 Bg7 40.Qh5 Bh6 41.Qh4 Rh2 42.Qg4 Rhf2 43.Ke1 Rh2 44.Be8 Rh1 (44...Rh1 45.Qg1 Rg1#) 0–1. olo (1920) – bvanderweerd (1900), net–chess.com, 2007.

3.d4 Bb7

4.Nc3 a6 5.e4 c6 6.Nf3 h6 7.Be2 d5 8.e5 g6 9.0–0 Bg7 10.Bb2 Ne7 11.h3 b5 12.Re1 a5 13.Bf1 a4 14.Rb1 Nd7 15.Bc1 Nb6 16.Nh2 Qd7 17.Ng4 0–0–0 18.Qf3 Rdf8 19.Nf6 Bf6 20.Qf6 Nf5 21.Be3?? (better is 21.Bd3!?+=) 21...g5 (21...Qe8 22.g4 Nd7 23.Qh8 Rh8 24.gf5 gf5 25.Kh2–+) 22.Rbd1? (22.Bd3 Qe8 23.Bf5+=) 22...Ne3?? (better is 22...Rhg8 23.g4 Rg6 24.Qg6 fg6 25.gf5 gf5–+) 23.fe3 Kc7 24.e4 Nc8 25.ed5 cd5? (better is 25...ed5 26.Bd3 Qe6+/–) 26.Nb5 Kb8 27.Rc1 Na7 28.Nd6 Nc8 29.Nb7 Qb7 30.Re3 Na7 31.c4 Rc8 32.c5 Nc6 33.Rd3 Rcf8 34.Be2 Ka7 35.Rdd1 Qc7 36.b5 Qc8 37.bc6 Qc6 38.Rb1 Qc7 39.Rb4 (39.Rb4 Rfg8 40.Rdb1 Qc6 41.Qe7 Ka8 42.Ra4 Qa4 43.Qb7) 1–0. pillsbury (2105) – beammeupscotty (2130), net–chess.com, 2013.

4.Nc3 f5 5.Nf3 Nf6 6.e3 Be7 7.h3 0–0 8.Be2 d5 9.Ne5 c5 10.bc5 bc5 11.0–0 Nbd7 12.Bf3 Ne4 13.Be4 fe4 14.Nd7 Qd7 15.Bb2 cd4 16.Qd4–/+ Bf6 17.Qb4 a5 18.Qb6 Ba6 19.Nd1?? Bf1 20.Kf1 Bb2 21.Qb2 Qd6 22.Kg1 e5 23.Nc3 Rab8?? 24.Qa2=+ Rfd8 25.Ne4 Qc6–/+ 26.Nd2 Kh8 27.Rc1 h6 28.Nf3 Qf6 29.Qa1 Re8 30.c4 Rbc8 31.cd5= Rc1 32.Qc1 e4 33.Nd4 Rd8 34.Qc6 Rd6? 35.Qa8?? Kh7 36.Qa5 Qe5 37.Qc5 Rd5 38.Qc2 Rd7 39.f4 Qd5 40.a4 g6 41.Kf2 h5 42.g3 Kh6 43.h4 Rd8 44.Qd2 Rc8 45.a5 Ra8=+ 46.Qb4 Qa5 47.Qe7 Qd5 48.Kg2 Ra2 49.Kh3 Ra8 50.f5+/– gf5 51.Qg5 Kh7 52.Qh5 Kg8 53.Qg6 Kh8 54.Nf5 Qd7 55.Qh6 Kg8 56.Qg6 Kh8 57.Qf6 Kh7 58.Qh6 Kg8 59.Qg6?? Kh8= ½–½. pillsbury (2120) – vampirex (2250), net–chess.com, 2010.

3.d4 Nc6

4.e3 d5 5.Bb5 Bd7 6.Nf3 a6 7.Be2 Bd6 8.0–0 Nf6 9.c4 dc4 10.Bc4 0–0 11.Nbd2 Nd5 12.e4 Nf6? 13.e5+– Be5 14.de5 Nd5 15.Bb2 Nf4 16.Ne4 Ne7 17.g3 Bc6 18.Qc2 Be4 19.Qe4 Nfg6 20.Rad1 Qe8 21.h4 h5 22.Ng5 Nf5 23.Be2 Rd8 24.Bh5 Rd1 25.Rd1 Qa4 26.Qd3 Nge7 27.Rc1 c6 28.Bd1 Qb5 29.Qb5 cb5 30.Bb3 a5 31.ba5 ba5 32.Rc5 Rb8 33.Kh2 Nd4 34.Bd4 a4 35.Ba2 Nf5 36.Bc3 g6 37.Kh3 1–0. chessdeviant (2200) – islanderfan (1800), net–chess.com, 2007.

4.e4+= Nf6 5.Nc3 g6 6.b5 Ne7 7.Nf3 d6 8.h3 Bb7 9.Bd3 Bg7 10.0–0 Qd7 11.a4 c5 12.Rb1 cd4 13.Nd4 d5 14.e5 Ne4 15.Ne4 de4–/+ 16.Bc4 Be5 17.Bb2 0–0 18.c3?? Rac8 19.Bb3 a6 20.ba6 Ba6 21.Re1 Nc6 22.Nb5 Qd1–/+ 23.Rbd1 Bb5 24.ab5 Ne7 25.Re3 Nf5–/+ 26.Re4 Bc3 27.Bc3 Rc3 28.Bc4 Rc8 29.Be2 Ne7 30.Rd7 Rc1 31.Kh2 Nf5 32.Rf4 Re1 33.Bd3=+ e5 34.Rg4 h5 35.Re4 Re4=+ 36.Be4 Rc4 37.Bf5= gf5 38.Rd6 Rc2 39.f3 e4 40.fe4 fe4 41.Rb6 e3 42.Rb8 Kg7 43.Re8 e2 44.b6 Rb2 45.b7 Rb7 46.Re2 f5 47.h4 Kg6 48.Kh3 Rb3 49.g3? Rf3 50.Kg2= Ra3 51.Re6 Kf7 52.Rh6+/– Ra2 53.Kh3 Rf2 54.Rh5+/– Kg6 55.Rg5 Kf6 56.Rg8 Ke5 57.h5+– Rf1 58.Kg2 Ra1 59.h6 Ra7 60.Rg7 Ra8 61.h7 Rh8 62.Re7?? Kf6= 63.Ra7 Kg6 64.Kf3 Rh7 65.Ra6 Kg5 66.Ra5 Rf7 67.Ra8 Rf6 68.Ra5 Rf7 69.Kg2 ½–½. pillsbury (2075) – bvanderweerd (1900), net–chess.com, 2007.

4.Nf3 d5 5.Bb2 Nf6 6.e3 Be7 7.Bb5 Bd7 8.Bc6 Bc6=+ 9.Ne5 Bb7 10.0–0 0–0 11.Nc3 Nd7 12.Nd7 Qd7 13.Qf3 c5 14.dc5 d4–/+ 15.ed4?? Bf3–+ (15...Bf3 16.gf3 Qd4–+) 0–1. islanderfan (1800) – chessdeviant (2200), net–chess.com, 2007.

3.e3 Bb7

4.c4 a5 5.b5 White wins space 5...d5 6.Nf3 Nf6 7.Bb2 Be7 8.Nc3 0–0 9.d4 c5 10.bc6 Nc6 11.cd5 Nd5 12.Bd3 Nc3 13.Bc3 Ba6 14.Ba6 Ra6 15.Qd3 Qc8 16.0–0 Qb7 17.Rfb1 Rb8 18.Rb5 (18.e4 Na7+=) 18...Na7 19.Rh5 g6 20.Ng5 Bd8? (better is 20...Rc8 is the best option Black has 21.Bb2 b5=) 21.d5+– gh5?? Black falls apart (better is 21...Bg5 22.Rg5 b5+–) 22.Qh7 Kf8 23.Qg7 Ke8 24.de6 fe6 (24...Qe7 is no salvation 25.ef7 Kd7 26.f8Q Nc6 27.Rd1 Kc7 28.Ne6 Kb7 29.Nd8 Rd8 30.Qfe7 Ne7 31.Qe7 Kc6 32.Qd8 Ra7 33.Qd5 Kc7 34.Qc4 Kb7 35.Rd7 Kb8 36.Qg8) 25.Qg8 Ke7 26.Qf7 Kd6 27.Qe6 Kc5 28.Bd4 (28.Bd4 Kb5 29.Rb1 Ka4 30.Qb3) 1–0. Steffens,Olaf (2295) – Kelemen,Imre (2170), Nyiregyhaza op, 2001.

4.Nf3 f5 5.Bb2 Nf6 6.Nc3 Be7 7.Be2 0–0 8.d4 a6 9.0–0 d6 10.Bc4 d5 11.Bb3 Bd6 12.Ne2 Nbd7 13.Nf4 Re8 14.c4 dc4 15.Bc4 Bf4 16.ef4 Bd5 17.Be2 Bf3 18.Bf3 Nd5 19.Rc1 N7f6= 20.Re1 Qd6 21.g3 c6 22.Qc2 Rec8 23.Qe2 Kf7 24.Bg2 a5 25.ba5 Ra5 26.Rc2 g6 27.Rcc1 Ne7 28.Bc3+/– Ra3? 29.Bb4!+– Qb4 30.Qe6 Kg7 31.Rb1 Qd4?? 32.Qe7 (32.Qe7 Kh6 33.Qa3+–) 1–0. halocan (1735) – ookii (1740), internet, 2007.

3.e4 Bb7

4.Nc3 a5 5.b5 Nf6 6.e5 Nd5 7.Nd5 Bd5 8.Nf3 Be7 9.d4 d6 10.c4 Bb7 11.Be2 Nd7 12.0–0 0–0 13.Be3 de5 14.Ne5 Ne5 15.de5 Qd1 16.Rfd1 Rfd8 17.a4 g6 18.f3 Rab8 19.Rab1 Bb4 20.Bg5 Bc5 21.Kf1 Rd4 22.f4 c6 23.Rd4 Bd4 24.Bf3 cb5 25.Bb7 Rb7 26.Rd1 26...Rd7 27.cb5 Kf8 28.Ke2 Ke8 29.g4 Rd5 30.Rd3 Kf8 31.Bf6 Rd7 32.Kf3 Ke8 33.Ke4 Bf2 34.Rd7 Kd7 35.f5 gf5 36.gf5 Bg1 37.h4 Bc5 38.h5 Bf8 39.Bh4 Bc5 40.Bg3 Ke7 41.Kf4 Bd4 42.Bh4 Kf8 ½–½. flipper – LUPES, playchess.de, 2003.

4.Nc3 a6 5.d4 c6 6.Nf3 h6 7.Bb2 d5 8.e5 (8.Bd3 Nd7+/–) 8...b5 9.g3 g6 10.Bg2 Bg7 11.0–0 Ne7 12.Re1 Nd7 13.a4 0–0 14.ab5 (14.a5 Nf5+/–) 14...ab5 15.Qd3 g5 16.Ra8 Ba8 17.Ra1 Ng6 18.Ra7 Nb6 19.Ra2 (19.Nd2 Re8+/–) 19...Re8 20.Nd2 Re7 (20...Qe7 21.Nd1+=) 21.Bc1 Qb8 22.Bb2 Ra7 (22...Qd8 23.Bf3+/–) 23.Ra3 Ra3 24.Ba3 Nd7 25.Bb2 (25.Nd1 Qa7+/–) 25...Qd8 (25...Bf8!?=) 26.Bf3 Ndf8 27.Ne2 Qe7 28.c3 Bb7 29.Nb3 Nh7 30.Nc5 Nhf8 31.Nc1 f6 (31...Bc8+/–) 32.N1b3 (better is 32.Bh5 f5 33.N1b3+–) 32...fe5+= 33.Qe3 ed4 34.cd4 Ba8 35.Bh5 Qf7 (35...e5 36.Qd2+=) 36.Na5 (36.Nc1!?+/–) 36...Qf5+= 37.Bg6 Qg6 38.Nab7?? (better is 38.Qa3=) 38...Bb7 39.Nb7 Qb1 40.Qc1 Qc1 41.Bc1 Bd4 42.Bd2 Nd7 43.Nd8 c5?? (better is 43...Ne5 44.Be3 Bc3–+) 44.Ne6–/+ cb4?? (better is 44...Kf7 45.Nd4 cd4–/+) 45.Nd4+– b3 46.Nb3 Kf7 47.Nd4 Ne5 48.f4 gf4 49.gf4 Nc4 50.Bc3 Kg6 51.Nb5 (51.Kf2 Kh5+–) 51...Ne3 (51...Kf5 52.Bg7 Kf4 53.Nc3+–) 52.Bd2 Nc4 53.Bc1 Kf5 54.Nd4 (better is 54.Kf2!? Ke6+–) 54...Kf6 (54...Ke4 55.Nb3 Nd6 56.Kf2+–) 55.Kf2 1–0. pillsbury (2185) – beammeupscotty (2100), net–chess.com, 2015.

4.Nc3 Be7 5.d4 Nf6 6.e5 Ne4 7.Ne4 Be4 8.Qg4 Bg6 9.Nf3 c5 10.dc5 bc5 11.Bd3 cb4 12.ab4 Nc6 13.b5 Nb4 14.Bg6 hg6 15.Qe4 Rc8 16.c4 Qc7 17.Be3 Qc4 18.Qc4 Rc4 19.Ra7 Nc2 20.Kd2 Ne3 21.Ra8 Bd8 22.Ke3 Ke7 23.Kd3 Rb4 24.Rb8 Rb2 25.Rf1 f6 26.h3 Rb3 27.Kc2 Rc3 28.Kb2 Rc5 29.Rc1 Rd5 30.Rcc8 g5 31.b6 Rb5 32.Kc2 fe5 33.b7 Rf8 34.Nd2 d6 35.f3 d5 36.Nb1 Rb4 37.Nc3 g4 38.hg4 e4 39.Na4 ef3 40.gf3 Rh8 41.Nc5 Rh2 42.Kc3 Ba5 43.Ra8 Rc4 44.Kb3 Rb4 45.Ka3 Rh1 46.Ra5 Rb6 47.Nb3 Rb7 48.Kb2 Rf1 49.Kc2 Rf3 50.Nc5 Rf2 51.Kc1 Rf1 52.Kd2 Rb2 53.Kc3 Rbb1 54.Ra7 Kf6 55.Rf8 Ke5 56.Nd3 Ke4 57.Re8 Rb6 58.Nc5 Ke3 59.Re6 Re6 60.Ne6 g6 61.g5 Rc1 62.Kb2 Rc8 63.Rd7 Ke4 64.Rd8 Rd8 65.Nd8 d4 66.Kc2 Ke3 ½–½. Blitzmich – LUPES, playchess.de, 2002.

4.d3 c5 5.bc5 bc5 6.Nc3 Be7 7.Rb1 Bc6 8.Nf3 Nf6 (8...d5 9.ed5 ed5 10.d4+=) 9.Be2 (9.e5 Nd5 10.Nd5 Bd5+=) 9...c4 (9...0–0 10.0–0+=) 10.0–0 0–0 11.Ne5 Qa5 (11...Qc7!? 12.Nc4 d5 13.ed5 ed5+=) 12.Nc4+/– (12.Nc6?! Nc6 13.Rb5 Qa6 (< 13...Qc3 14.Bb2 Nd4 15.Bc3 Nb5 16.Bf6 Bf6 17.dc4 Na3 18.c3+/–) 14.dc4 Ba3+=) 12...Qc3? (better is 12...Qc7+/–) 13.Bb2+– Qc4 14.dc4 Ne4 15.Bf3 f5 16.Qd4 (16.Be5 Ba3 17.Qd3 d6 18.Bg7 Kg7 19.Qa3 Rd8+–) 16...Bf6 17.Qd3 Bb2 (17...Na6 18.Be4 Nc5 19.Qe3 Ne4 20.Bf6 Nf6 21.Rfd1+–) 18.Rb2 Na6 19.Qd4 Nac5 20.Rfb1 Na4 (20...Rae8 21.Be4 Ne4 22.Re1+–) 21.Be4 fe4 22.Rb4 a5 23.Rb5 Bb5 24.cb5 Nc5 25.Qc5 Rac8 26.Qd6 Rc2 27.b6 Rff2 28.b7 Rg2 29.Kh1 Rb2 30.b8Q Rb8 31.Rb8 Kf7 32.Qd7 Kg6 33.Qe6 Kh5 34.Rb5 Rg5 35.Qh3 Kg6 36.Rb6 Kf7 37.Qe6 Kf8 38.Rb8# 1–0. market (2225) – Lutwidge (2085), GameColony.com, 2003.

3.Nf3 Bb7

4.Bb2 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.a3).

4.Bb2 Nf6 5.e3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 b6 5.Nf3 Bb7).

2.a3 c5

3.b5 Qa5 4.Nc3 (4.e4 d5=) 4...b6 (4...d5 5.e4 d4 6.Na2=) 5.Bb2 (5.e4 Bb7+=) 5...a6 (5...d5 6.e3=) 6.e3 (6.e4+=) 6...ab5 (better is 6...d5!?=) 7.Nb5+/– Kd8 (7...Ke7 8.Nc7 Ra7 9.Bc3+/–) 8.Qf3 (8.Bc3 Qa4 9.Nd6 Bd6 10.Bg7+–) 8...Nc6? (better is 8...f6+/–) 9.Qf7+– Nge7 10.Bg7 Bg7 11.Qg7 Re8 (11...Rg8 12.Qh7 Ba6 13.Nd6+–) 12.Qh7 Ba6 13.Nd6 Rf8 (13...Rg8 14.c4+–) 14.Ba6 (14.Nf3 Nf5 15.Nf5 ef5 16.Ba6 Qa6+–) 14...Qa6 15.Nf3 Kc7 (15...b5 16.Rb1+–) 16.Nf7 Nf5 17.N7e5 Ne5 18.Ne5 Rad8 19.Ng6 Rf6 20.c3 Qb7 21.0–0 Qe4 22.f3 Qd3 23.e4 Ne3 24.de3 Qe3 25.Kh1 Qc3 26.Rfd1 Rf3 27.Rdc1 Qf6 28.gf3 Qf3 29.Kg1 Qe4 30.Qf7 Qg4 31.Kf2 Qd4 32.Kf1 (32...Qd3 33.Kg1 Qd4 34.Kg2 Qe4 35.Kg3 Qe3 36.Kh4 Qd4 37.Qf4 Qf4 38.Nf4+–; better is 32.Ke2!? Qe4 33.Kd2 Qg2 34.Kc3 Qh3 35.Kb2 Qh2 36.Rc2 Qd6+–) 1–0. Wall,Bill – Sonopa, Internet, 2003.

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

3.c3 c4 4.Nf3 d6 (4...d5 5.d3 cd3 6.ed3=) 5.e4+= b5 (5...Nf6 6.Bc4 Ne4 7.d3+=) 6.a4+/– Bd7 7.ab5 Bb5 8.Ra5 a6 9.Nd4 Qc7? (better is 9...Nc6 10.Rb5 Nd4+=) 10.Nb5+– Qc6 11.Qa4?? (11.N5a3 Qe4 12.Qe2 Qe2 13.Be2 d5+–) 11...Ke7? (11...Qe4 12.Kd1 ab5 13.Qb5 Nd7 14.Qc4+/–) 12.N1a3 (better is 12.Qa2 Qe4 13.Kd1+–) 12...d5?? (better is 12...Qe4 13.Kd1 ab5 14.Qb5 Ra5 15.ba5 Nd7+–) 13.Nd4 Qa4 14.Ra4 Nf6 15.Nab5! Ne4 (15...ab5 16.Ra5 Double attack (16.Ra8 Pinning; 16.Ra8 Deflection; 16.Ra5 Decoy)) 16.Nc7 (better is 16.d3 cd3 17.Bd3+–) 16…Ra7 (16...Ra7 17.f3 Rc7 18.fe4 de4+–). georginoh (1715) – presort (1940), net–chess.com, 2013.

3.c3 Nc6 4.e4 cb4 5.a4 a6 6.cb4 Bb4 7.Nf3 Qf6 8.Ra2 Nge7 9.Bb2 e5 10.g3 d6 11.Bg2 Be6 12.0–0?? Ba2 13.Nc3 Bc3 14.Bc3 0–0 15.Qc2 Be6 16.d3 Rac8 17.Qb2 Ng6 18.Qb7 Nd8 19.Qb2 Nc6 20.Qb6?? Nge7 21.Qa6 Nb8 22.Qa5 Rc5 23.Qb4 Nec6 24.Rc1 Nb4 25.Ne1 N8c6 26.Bd2 Rc1 27.Bc1 Ra8 28.Ba3 Ra4 29.Bb4 Nb4 (29...Nb4 30.Bf1 Ra1–+) 0–1. pillsbury (1950) – manson (1915), net–chess.com, 2007.

3.c3 f5 4.e3 h5 (4...Nf6!?=) 5.Nf3 a6 6.Bc4 b5 7.Bb3 c4 8.Bc2 Bb7 9.0–0 Qf6 10.d3 Bf3 11.Qf3 (worse is 11.gf3 d5+=) 11...Nc6 12.d4 Bd6 (12...a5 13.ba5 d5 14.Qf4+=) 13.e4 Qh4 (13...fe4 14.Qe4 (worse is 14.Be4 Qf3 15.Bf3 a5=) 14...Bc7 15.a4 ba4 16.Re1+/– (16.Ra4?! d5 17.Qe2 Nge7+/–)) 14.g3 Qe7 (14...Qg4!? 15.Qg4 fg4+/–) 15.ef5 0–0–0 (15...Nf6 16.fe6 Qe6 17.Bg6 Kd8 18.a4 ba4 19.Ra4+–) 16.fe6 (16.a4 Rf8+–) 16...Kc7 (16...Rf8 17.Qg2 h4+–) 17.d5 Ne5 18.Qe3 Ra8 19.a4 Rb8 (19...Nf6 20.ab5 Nd5 21.Qe4+–) 20.ab5 ab5 21.Ra7 Kd8 22.Na3 (better is 22.Qe2 Nf6 23.Bg5+–) 22...Qf6 (22...Nf6 23.f4 Nd5 24.Qe1+–) 23.Re1 (better is 23.f4 Nf3 24.Rf3 de6 25.de6+–) 23...Nf3 24.Kh1 Ne1 25.Qe1 (better is 25.Rd7 Ke8 26.Qe1+–) 25...Bc7? (25...Qf3 26.Kg1 Nf6 27.Bg5 Qd5 28.Rd7 Kc8 29.Rg7+–) 26.Be4 (26.d6 Bd6 27.Rd7 Ke8 28.Rd6 h4 29.Nb5 hg3 30.Nc7 Ke7 31.Rd7 Kf8 32.fg3 Ne7+–) 26...Be5?? (26...de6 27.de6 Qe6 28.Qd2 Qd6 29.Qg5 Ne7 30.Bf4 (30.Qg7?! Rg8 31.Qf7 Qe5+–) 30...Qd1 31.Kg2+–) 27.Be3 de6 28.de6 Qe6+/– 29.Qd2 Bd6?? 30.Bc6 Qe5 31.Nb5 Ne7 32.Nd6 Nc6 33.Nf7 (33.Nf7 Ke8 34.Qd7 Kf8 35.Ne5 Rb7 36.Ra8 Rb8 37.Qf7) 1–0. pieeater – Eries, ChessWorld.net, 2014.

3.Nc3 cb4–/+ 4.ab4 Bb4 5.Ba3 Ba3 6.Ra3 Nf6 7.e4 Nc6 8.Nf3 0–0 9.d4 d6 10.Be2 Bd7 11.d5 Ne5 12.h3 Nf3 13.gf3 Nh5 14.Rg1 Nf4 15.de6–/+ Be6 16.Qd4 f6 17.Bc4 Bc4 18.Qc4 Kh8 19.Qf1 Rc8 20.Ne2?? d5 21.Nf4=+ Qd6 22.Qg2 Rf7 23.Ng6 hg6–+ 24.Rd3 Qb4 25.Ke2?? Rc2 26.Ke3 Qc5 27.Kf4 g5 28.Kf5 de4 29.Kg6 ed3 30.Kf7 Qf5 31.Re1 Rc7 32.Re7 Qd5 33.Kf8 Qg8# 0–1. rhometal (1670) – mrdoop, net–chess.com, 2010.

3.Nf3 cb4=+ 4.d4 Nf6 5.Bg5 Qa5 6.Bf6 gf6 7.e3 d5 8.Qd2 Bd7 9.Bd3 Rg8 10.g3 Nc6 11.0–0 e5–+ 12.de5 fe5 13.e4 Bg4 14.Nh4 Nd4 15.f3 Bh3 16.Rf2 de4 17.Be4 0–0–0 18.Qc1 Be7 19.Ng2 Qb6 20.Nd2?? Ne2 (21.Kf1 Nc1 22.Rc1 Qf2 23.Kf2 Rd2 24.Ke3 Rg2 25.ab4 Rh2–+) 0–1. ricar67 – freddy007, ChessWorld.net, 2004.

3.Bb2

3.Bb2 (--> 2.Bb2 c5 3.a3).

3.Bb2 cb4 4.ab4 (--> 1.b4 c5 2.a3 cb4 3.ab4 e6 4.Bb2).

3.Bb2 Nf6 4.b5 d5 5.e3 Bd6 6.Nf3 Nbd7 7.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 Bd6 6.Nf3 0–0 7.c4 Nbd7).

3.b5 a6

4.ba6 Ra6 5.Nc3 Nc6 6.e3 Nge7?? 7.Ba6+/– ba6 8.Nf3 Bb7 9.Rb1+– Qc7 10.0–0 g6 11.Ne4 Bg7?? 12.Rb7! Qd8 13.Nd6 Kf8 14.Ng5 Bf6 15.Ngf7 (15.Ngf7 Qa8 16.Nh8+–) 1–0. b4player – oppo, internet, 2009.

4.ba6 Na6 5.Bb2 d5 6.e3 Nf6 7.Bb5 Bd7 8.Bd7 Nd7=+ 9.Nf3 Nf6 10.0–0 Bd6 11.d3 0–0=+ 12.Nbd2 Rc8 13.c4= Nc7 14.cd5 ed5 15.Rb1 b5 16.h3 c4 17.dc4 bc4=+ 18.Be5 Ba3 19.Ra1 Bb4 20.Qa4 Be7 21.Rfd1 Ne6 22.Nd4 Nd4 23.Bd4–/+ c3 24.Nb3 Ne4 25.f3 Ng3 26.Kf2 Bh4–+ 27.Kg1 c2 28.Rd2–/+ Nf5 29.Rc1 Nd4 30.Nd4=+ Re8 31.Re2 Qg5 32.f4 Qg6 33.Rcc2?? h6 34.Qb5 Qe4 35.Qb3 Rc2 36.Nc2 Qc4 37.Qc4=+ dc4 38.Kh2 Bf6 39.g4 Bc3 40.Kg3 Re4 41.Kf3+/– Re8 42.h4 g6 (42...Bf6!?=) ½–½. MikeMcC – Chairboy, ChessWorld.net, 2004.

4.c4 ab5 5.cb5 b6 (5...d5 6.e3=) 6.Bb2 Bb7 7.e3 Nf6 (7...d5 8.Qf3=) 8.Nf3 (8.h3 c4=) 8...d5 (8...Bf3 9.gf3 d5 10.Rg1+=) 9.Be2 (9.d3 Ra5 10.a4 Nbd7=) 9...Nbd7 (9...d4 10.Qc1=) 10.0–0 (10.d3 Qb8=) 10...Bd6 (10...c4 11.a4=) 11.Nc3 (11.d3 Ra7=) 11...e5 (11...Qe7 12.Nb1=) 12.d4 (12.d3 Qc7 13.Nd2 e4+=) 12...e4 Black wins space 13.Ne1 (13.Nh4 Qb8 14.dc5 bc5+= (worse is 14...Bc5 15.Na4+=)) 13...cd4 14.Qd4 Nc5 (14...h5 15.h3+=) 15.Ra2 (15.Qd1 Qb8 16.h4 Be5+=) 15...Ne6 (15...h5 16.g3–/+) 16.Qd2 (16.Qd1 Qc7 17.g3 h6+=) 16...d4 (16...h5!? 17.f3 Ng4 18.fe4 Bh2 19.Kh1 Bf4 20.Bg4 hg4 21.Kg1 Bg3–+) 17.ed4+= Nd4 Black has an active position. 18.Kh1 Ne2 19.Ne2 Black has the pair of bishops 19...0–0 Black castles and improves king safety 20.Qg5 (20.Nc2!?+=) 20...h6 21.Qh4 Kh7 (21...Be7 22.Nd4 Qd5 23.Ra1–/+) 22.Bf6 Qf6 23.Qf6 gf6 24.Nc2 (24.Rd2 Ba3 25.Nc2 Bc5+=) 24...Bd5–/+ 25.Raa1 Bc4 26.Rfd1 (better is 26.Rfe1!?–/+) 26...Be5–+ (26...Be2?! is much worse 27.Rd6 Bb5 28.Ne3=) 27.Ned4 Bd3 28.Ra2 Ra4 29.Nc6–/+ Bc4 30.Ne5 Ba2 31.Nd7 Rh8 32.Nf6 Kg6 33.Ng4? Rc8–+ 34.Rd6 Kg7 35.Nge3–/+ Rc5 36.Rb6? Bb3–+ 37.Rc6 Rb5 38.h3 Bc2 39.Nc2 Rb1 40.Kh2 Rc1 41.Rc3 f5 42.Rg3 Kf7 43.Ne3?? f4–+ 0–1. Corluy,H – Fedukin,Alexandre (2000), Brasschaat op, 2002.

4.c4 Nf6 5.Bb2 d5 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 a6 6.c4).

3.b5 d5=+

4.Bb2 a6 5.a4 ab5=+ 6.ab5 Ra1 7.Ba1 Qa5 8.Nc3 d4 9.Ne4 Qb5 10.e3 Qc6 11.Ng3 e5 12.Nf3 Bd6 13.Qb1 Bd7 14.Bc4 b5–/+ 15.Ba2 Nf6 16.0–0 0–0 17.d3 de3 18.fe3 Re8 19.e4 Qa6 20.Nf5 Bf5 21.ef5 Nbd7 22.Re1? h6 23.h3 Qb6 24.Kh1 Qc6 25.Kg1 Kh8?? 26.Kh1?? Kh7 27.Kg1?? Kg8 28.Kh1 e4–+ 29.de4 Ne4 30.Kg1 c4 31.Nd4 Bc5 32.c3 Ndf6 33.Kh2? Qd6 34.Kg1 Qf4 35.Qc2 (35.Qc2 Kh7 36.Bc4 bc4 37.Qe2 Nc3 38.Bc3 Re2 39.Re2 Qc1 40.Be1 Bd4 41.Kh2–+). maaac (2370) – nay (2215), net–chess.com, 2007.

4.e3 d4 5.ed4 cd4 6.Nf3 Nf6 =.

4.e3 d4 5.e4 Bd6 6.Nf3 =.

4.e3 d4 5.e4 e5 6.Bc4= Nf6 7.d3 Bd7 8.Nf3= Bg4 9.h3 Bf3= 10.Qf3 Be7 11.0–0 Nbd7 12.Qe2 0–0 13.f4 Bd6 14.f5 Nb6 15.Bb3 Qc7 16.Nd2 Rac8 17.Nc4= Nc4 18.Bc4 Kh8 19.g4 Nd7 20.g5 Nb6 21.Qh5 Nc4=+ 22.dc4 f6 23.g6 h6 24.Rf3 Rfe8 25.Rg3 Bf8 26.Rg4 Re7 27.Bd2 Rd8 28.Rg3 a6 29.a4 a5 30.Kh1 b6 31.Rag1 Rdd7 32.Qf3 Kg8 33.Qe2 Kh8 34.Rg4 Kg8 35.Rh4 Qb7 36.Rg3 Qc7 37.Kg2 Qb7 38.Kf3 Qc7 39.Qd3 Qb7 40.Ke2 Qc7 41.Bc1 Qa7 42.Kd2 Qc7 43.Qe2 Qd6 44.Kd3 Qc7 45.Rh5 Qb7 46.Rg4 Qc7 47.Rgh4 Qb7 48.Qg4 Qc7 49.Bh6 gh6 50.Rh6 Bh6 51.Rh6 Rg7 52.Qh4–/+ Rh7?? 53.gh7+– Rh7 54.Rg6 Kf8 55.Qf6 Ke8 56.Rg8 (56...Kd7 57.Qe6#) 1–0. Marinelli,P – Zuniga,J, Detroit–ch MI opB, 1994.

4.e3 Bd6 5.Bb2 e5 6.Nf3 =+.

4.e3 Nf6 5.Nc3 Bd6 6.d4 cd4 7.Qd4 a6 8.b6 (better is 8.Nf3!?+=) 8...Nc6–+ 9.Qa4 Bd7 10.Qb3 0–0 11.Nce2 Rc8 12.Nf3 Na5 13.Qd3 Qb6 14.Nf4 Bf4 15.ef4 Bb5 16.Qd2 Bf1 17.Rf1 Qc7 18.Nh4 b6 19.Qe3 (19.Nf3 Ne4 20.Qd3 Qc2 21.Qc2 Rc2–+) 19...Qc2 20.Bd2 Nc4 21.Qd4 (21.Qc3 Qe4 22.Be3 Ng4–+) 21...Qd2 (better is 21...e5 22.fe5 Ne5 23.Qe5–+) 22.Qd2 Nd2 23.Kd2 Ne4 24.Ke1 Rc2 25.Nf3 Rfc8 26.Nd4 Rb2 27.f3 Nd6 28.Rf2 Rf2 29.f5 Rg2 30.fe6 Rg1 31.Ke2 Ra1 32.e7 Re8 33.Kf2 Re7 34.Kg2 Ra3 35.h4 b5 36.Nc6 Ree3 37.Nd4 Ra2 38.Kg3 b4 39.Kf4 Rd3 40.Nc6 b3 41.Ne5 Rd4 42.Ke3 Rh4 43.Nd3 b2 44.Nb2 Rb2 (44...Rb2 45.f4 Nf5 46.Kf3 Rb3 47.Kg2 Rg3 48.Kf2 Rh2 49.Kf1 Ne3 50.Ke1 Rg1; 44...Nf5 45.Kf2 Rb2 46.Kg1 Ne3 47.f4 Rg2) 0–1. dweigel (2015) – borisbdnv, net–chess.com, 2011.

4.Nf3 Nf6 5.e3 Bd6 6.Bb2 0–0 7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Nc3 Nb6 12.Na4? Nc4–/+ 13.Bc4 dc4 14.Qc2 Bd7 15.Ng5? e5–/+ 16.f4 Qc7 17.Nc3? g6 18.0–0 Ra8 19.Nce4=+ Ne4 20.Ne4 Be6 21.Nd6= Qd6 22.Be5 Qd3 ½–½. McAleenan,Charles – Hjortstam,Kurt, corr or01–001, 2001.

3.c3 cb4

4.ab4 d5 5.Nf3 Nf6 6.d3 Bd6 7.e4 Qc7 8.Bg5 de4 9.Bf6 ef3 10.Bd4 Nc6 11.Be3 fg2 12.Bg2 Be5 13.Bc6 Qc6 14.0–0 0–0 15.Ra7 Ra7 16.Ba7 b6 17.Qe1 Bb7 18.f3 Bc7 19.Qc1 Ra8 20.Qa3 Qd6 21.Qa2 Qd3 22.Rf2 Qg6 23.Kh1 Bb8 24.Nd2 Ra7 25.Qb2 Bf4 26.Nf1 Qd3 27.Kg2 Bc6 28.h3 b5 29.h4 Qg6 30.Kh1 Qg4 31.Qe2 Qh4 32.Kg1 Ra3 33.Qd3 Qf6 34.Rc2 Bc7 35.Kf2 Bb6 36.Ke2 Ra1 37.Rc1 Rc1 38.Kd2 Qf4 0–1. COMP – COMP, 2000.

4.cb4 b6 5.Nf3 Bb7 6.d3 Nf6 7.e4 Nc6 8.Be2= h6 9.0–0 Be7 10.Nc3 Qc7 11.d4+= a6 12.d5 ed5 13.ed5 Ne5 14.Ne5 Qe5 15.Bb2 Bd6 16.g3 0–0= 17.Rb1 Qe7 18.Re1 Qd8 19.Bc4 b5+= 20.Bb3 Re8 21.Re8 Qe8= 22.Ne2 Qe4 23.Bc2 Qd5–/+ 24.Qd5 Bd5 25.Nf4?? Bf4–/+ 26.gf4 Rc8 27.Bf5 Rc7 28.h4 Ne4 29.Rd1= Bc6 30.f3 Nf6 31.Bf6 gf6 32.Kf2 d5 33.Kg3 Kg7 34.Kg4 Re7 35.h5 Re3 36.Ra1? d4 37.Rg1?? Bf3–+ 38.Kh4 Kf8 39.Rc1 Ra3 40.Rc8 Kg7 41.Rd8 d3! 42.Bd3 Ra1 43.Rb8?! Rb1 44.Bb1+– Be2 45.Ra8 Bc4 46.Ra6 Be2 47.Ra2 Bc4 48.Rg2 Kf8 49.Rc2 Bd3 50.Rc8 Kg7 51.Bd3 (51.Bd3 f5 52.Bb5 Kf6 53.Re8 Kg7 54.Ba4 Kf6 55.b5 Kg7 56.b6 Kf6 57.b7 Kg7 58.b8Q Kh7 59.Qb2 f6 60.Qb7#) 1–0. pieeater – PADDYD, ChessWorld.net, 2010.

3.c3 d5

(--> 2.c3 d5 3.a3 c5).

3.c3 Nf6

4.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 c5 4.c3).

4.Qb3 d5=+ 5.d3 Nc6 6.Nf3 Be7 7.Bg5 0–0 8.h3 h6 9.Bh4 b6 10.e3 Bd7 11.Nbd2 Rc8 12.Be2 cb4 13.cb4 Qc7 14.0–0 Qd8 15.Nh2 Ne5 16.Rac1 Bb5 17.Nhf3 Nf3 18.Nf3 Qd7 19.Nd4 Ba4= 20.Qb2 Rc1 21.Rc1 Rc8 22.Bg3 Rc1 23.Qc1 Bd6 24.f4 a6 25.Bd1 Bd1 26.Qd1 Qc7 27.Qb3 Qc1–/+ 28.Kh2? Qe3–+ 29.Nc6 Bf4 30.Bf4 Qf4 31.Kh1 Qd6 32.Qa4 e5 33.b5 ab5 34.Qb5 Qc7 35.a4 e4 36.de4 de4 37.Ne5 e3 38.Qd3 Qe5 (38...Qe5 39.Qd8 Kh7 40.Qd3 Qe4–+) 0–1. brutus1 – federicos (1645), internet, 2007.

3.bc5 Bc5

4.Bb2?? Qb6–+ 5.d4?? (better is 5.Qc1 Bf2 6.Kd1 Bg1 7.e3 Be3 8.de3–+) 5...Qb2 6.dc5 Qa1 7.e4 Nc6 8.Nf3 Nf6 9.Bd3 Ng4 10.0–0 Qf6 11.c4 Nce5 12.Be2 Nf3 13.Bf3 Ne5 14.Nd2 Nf3 15.Qf3 Qf3 16.Nf3 0–0 17.Rd1 b6 0–1. alaamattar (2215) – epprecht (2020), net–chess.com, 2011.

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

4.Bb2 Nf6 5.e3 0–0 6.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 0–0).

4.d4 Qa5?? 5.Bd2+– Qb6 6.dc5 Qc5 7.Bb4 Qe5 8.Nf3 Qa1 9.Bc3 Qa2 10.Bg7 Nc6 11.Bh8 b5 12.e4 e5 13.Ne5 f6 14.Ng4 Qb2 15.c3 d5 16.Bd3 Kf7 17.0–0 Be6 18.ed5 Bd5 19.Bg6! Kg6 20.Qd3 f5 21.Qd5 Rc8 22.Qe6 (22.Qe6 Kg5 23.f4 Kg4 24.h3 Kh4 25.Bf6 Kh5 26.Qf5 Kh6 27.Qg5#) 1–0. themonkey – winningRAYS, GameColony.com, 2002.

4.d4 Bd6 5.e4+= Ne7 6.c4 b6 7.Nc3 Bb7 8.Nb5 Bc6?? 9.Nd6+– Kf8 10.d5 ed5 11.cd5 Qc7 12.dc6 Nbc6 13.Bf4 Ng6 14.Qb3 Ke7 15.Qf7 Kd8 16.Qg7 (16.Qg7 Re8 17.Nf7 Kc8 18.Ba6 Kb8 19.Bc7 Kc7 20.f3+–) 1–0. Rosner,Dirk – Neumann,Ulf, Tiger SC, 2000.

4.e3 d5 5.Nf3 Nc6 6.d4 Bd6 7.c4 dc4 8.Bc4 a6 9.Bb2 Nf6 10.0–0 b5 11.Bd3 Bb7 12.Nbd2 Rc8 13.Ne4 Ne4=+ 14.Be4 Qe7 15.Qe2 Na5 16.Bb7 Qb7 17.Rfc1 Nc4 18.Rc2 0–0 19.a4 Nb2 20.Rb2 b4 21.Qd1 Rc3 22.Rc1 Rfc8 23.Rbc2 Qe4 24.Rc3=+ bc3 25.Qe2 Qc6 26.Qc2= Rb8 27.Ng5 h6 28.Ne4 Ba3 29.Ra1 Rb2–+ 30.Qd3 c2 31.Rc1 Rb3?? 32.Qb3+/– Bc1 33.Nc5 Be3 34.Qe3 Qb6 35.Nb3?? Qb3!!–+ (35...Qb3 36.h3 Qb1 37.Kh2 c1Q 38.Qc1 Qc1–+) 0–1. Brodie,Hugh – Byrne,Michael TA, Ontario op Ottawa, 1969.

4.e3 Be7 5.Bb2 Bf6 6.Bf6 Qf6 7.Nc3 b5? 8.Nb5+– a6?? 9.Nc7 Ke7 10.Na8 Qe5 11.Nb6 Qc5 12.Nc8 Qc8 13.Nf3 Qb7 14.Be2 Nf6 15.0–0 Rc8 16.c3 Qb2 17.Qa4 Nc6 18.Rfb1 Qb1 19.Rb1 1–0. Fournier,Frederic – paniker, Active, 2006.

4.Nf3 d5 5.d4 Bd6 6.g3 Nf6=+ 7.Bg2 Nc6 8.Nc3 a6= 9.0–0 0–0 10.Bb2 Ne4 11.Ne4= de4 12.Nd2 f5 13.c4 Kh8 14.Ne4 fe4=+ 15.Be4 Be7 16.e3=+ Bd7 17.Qh5+/– h6 18.Qg6 Kg8 19.Qh7 Kf7 20.d5 Rg8? 21.Qg6 Kf8 22.de6 (22.de6 Be8 23.Qf5 Bf6 24.a4+–) 1–0. alaamattar (2100) – bromer (2130), net–chess.com, 2005.

4.Nf3 d5 5.e3 Nf6 6.d4 Bd6 7.Nbd2 0–0 8.Bd3 Nc6 9.c4 dc4 10.Nc4 Bb8 11.Qc2 h6 12.0–0 a6 13.Rd1 Qc7 14.Bb2 b5 15.Nce5 Ne5 16.de5 Nd5 17.Rac1 Qc2 18.Rc2 Bb7 19.Nd2 Ba7 20.Nb3 Rac8 21.Rdc1 Rc2 22.Rc2 Rd8 23.Bd4 Bd4 24.Nd4 g6 25.g3 Kf8 26.Kf1 Ke8 27.Ke2 Rc8 28.Rc8 Bc8 29.Kd2 Kd7 30.e4 Ne7 31.f4 Kc7 32.h4 Nc6 33.Nc2 Kb6 34.h5 Kc5 35.g4 gh5 36.gh5 a5 37.Ne3 Ne7 38.Ng4 Ng8 39.Ne3 Bb7 40.Kc3 b4 41.ab4 ab4 42.Kd2 Bc6 43.Bb1 Ba4 44.Kd3 Bb5 45.Kd2 Kd4 46.Nc2 Kc4 47.Na1 Ba4 48.Nc2 Bc2 49.Bc2 b3 50.Bd3 Kb4 51.f5 (better is 51.Be2!?–/+) 51...Ne7–+ 52.fe6 fe6 53.Be2 Nc6 54.Bg4 Nd4 (54...Nd4 55.Bd1 Kc4 56.Bb3 Nb3 57.Ke3 Nc5–+) 0–1. Zehnter,Sebastian (2035) – Tvarijonas,Povilas (2170), Wch U14 Belfort, 2005. (=1.a3 c5 2.b4 e6)

4.d4 Bb6

5.e3 d5 6.Nf3 Nf6 7.c4 dc4 8.Bc4 0–0 9.Bb2 Nc6 10.0–0 Na5 11.Bd3 Bd7 12.Nbd2 Rc8 13.Ne5 Nc6 14.Ndc4 Ne5 15.de5 Nd5 16.Nd6 Rc7 17.Qh5 g6 18.Qh6 Bc5 (18...Ba4!?+/–) 19.Rac1+– b6 (19...Bb6 20.Rc7 Qc7 21.Ne4+–) 20.Ne4 Be7?? (better is 20...f5 21.ef6 Ba4+–) 21.Nf6! (21.Nf6 Nf6 22.ef6 Bf6 23.Bf6 Qf6 24.Rc7+–) 1–0. aspasio (2795) – crobert (2290), net–chess.com, 2013.

5.e3 d5 6.Nf3 Nf6 7.c4 dc4 8.Bc4 0–0 9.Bb2 Nc6 10.Nc3 Bd7 11.0–0 Rc8 12.Bd3 Re8 13.Na4 Na5 14.Rc1 Rc1 15.Bc1 Bc7 16.e4 b6 17.Nc3 h6 18.Qe2 e5 19.d5 Nb3 20.Be3 Qe7 21.Rb1 Nc5 22.Bc2 (22...Bd6 23.Bd2=). Kazimierski,Tomasz – Shim Ng Min,Francis, KO–259.1.7, 1999.

5.e4 d5 6.e5 Nc6 =.

5.e4 Nf6 6.e5 Nd5 7.c4 Nc7 8.Qg4 0–0 9.Bg5 Ba5 10.Nd2 Bd2 11.Kd2 f6 12.ef6 Rf6 13.Bf6 Qf6 14.Nf3 Nc6 15.Bd3 Na5 16.Qg3 d5 17.Qc7 Nb3 18.Ke2 Na1 19.Ra1 dc4 20.Bc4 Kh8 21.Ne5 Kg8 22.Rc1 h6 23.Bd3 a5 24.Qc8 Rc8 25.Rc8 Qf8 26.Bh7 Kh7 27.Rf8 h5 28.Rb8 1–0. themonkey – NN, GameColony.com, 2002.

5.e4 h6 6.c3 d5 7.e5 Ne7 8.Bd3 f5 9.ef6!+/– gf6 10.Qh5 Kd7+= 11.Nf3 Qe8 12.Qh4 Qf7 13.Bf4 Ng6 14.Qh5+/– Rg8 15.Bg3 Ke7 16.Qh6+/– Nd7 17.h4+– Ndf8 18.h5 Rh8 19.Qe3 a6? 20.Rh2 Bd7 21.c4 Rc8 22.cd5 Ba5 23.Kf1 Bc3 24.d6 Ke8 25.Nc3 Rc3 26.Bg6 Ng6 27.hg6 Qg7 28.Qc3 Rh2 29.Bh2 Qg6 30.Qc7 b5 31.Qb8 Kf7 32.Qd8 Qd3 33.Kg1 Be8 34.Qe7 Kg6 35.Qe8 Kf5 36.Qh5 Ke4 37.Re1 (37.Re1 Qe2 38.Re2 Kd3 39.Qc5 Ke2 40.Qc2#) 1–0. orane – gofigure, caissa.com, 2006.

5.Nf3 Nf6 6.c4 Nc6 7.c5 Bc7 8.Nc3 0–0 9.Nb5 Ba5 10.Bd2 Ne4 11.e3 d5 12.Bd3 a6=+ 13.Nd6 Bd2 14.Nd2 Nd6 15.cd6 f5 16.Be2 f4 17.Qb3 Qd6 18.Bf3 b5–/+ 19.Rc1 Bd7 20.Qa2 fe3 21.fe3 Na5 22.Qa1 Nc4 23.Nc4 bc4 24.0–0 Rab8 25.Rb1 Rb1 26.Rb1 Be8 27.Rb7 Bg6 28.Qb2 Qd8 29.Qb6 Qb6 30.Rb6 Rc8 31.Bg4?? Bf7 32.Kf2 c3–+ 33.Rb1 Rc6?? 34.Rc1?? Bg6–+ 35.Bf3 Kf7 36.h4 Ke7 37.a4 Kd6 38.h5 Bd3 39.Bd1 e5 40.Bc2 Bc2 41.Rc2 ed4 42.ed4–/+ Kc7 43.Ke3 Kb6 44.Kf4 Ka5 (45.h6 g5 (< 45...gh6 46.Ke3–+) 46.Ke5 Ka4 47.Kd5 Kb3–+) 0–1. Baer,Werner – Winiger,Albert, ETC, 2003.

4.d4 Be7

5.c4 Nf6 6.Nc3 d5 7.Bg5 Nc6 8.e3 dc4 9.Bc4?? Qa5–+ (9...Qa5 10.Nge2 Qg5–+) 0–1. Mavizi,Hamid – Van De Peut,Aart (2025), IECG, 2007.

5.e4 Nc6 6.Nf3 =.

5.e4 d5 6.e5 f6 7.Nf3 a6 8.Bb2 (8.Bd3 Nc6+=) 8...Nc6= 9.c4 Nh6 10.ef6 Bf6 11.c5 0–0 12.h3 (12.Bd3!?=) 12...Nf5 13.Be2 (better is 13.Bd3+=) 13...Nfd4 (better is 13...Ncd4 14.Nd4 Qa5 15.Qd2 Qd2 16.Nd2 Bd4 17.Bd4 Nd4–/+) 14.Nd4+= Bd4 (14...Qa5!? 15.Kf1 Qc5=) 15.Bd4+/– e5 (15...Qa5 16.Bc3 Qc5 17.Bf3+/–) 16.Bb2 (better is 16.Be3+–) 16...Qf6? (16...Qa5!? 17.Nc3 d4+/–) 17.0–0 (17.Qd5 Be6 18.Qf3 Qg6+–) 17...Qg6? (17...Be6 18.Bd3+–) 18.Kh2 (better is 18.Qd5 Kh8 19.Qd3+– (19.Be5?! Be6 20.Qd3 Bf5+–)) 18...Be6 19.Bd3 e4 20.Bc2 Rf5 21.f4 (better is 21.f3!?+–) 21...Raf8+/– 22.Nc3 Rf4 23.Rf4 Rf4 24.Bc1?? (24.Nd5 Rf2 25.Ne3 Bh3+/–) 24...Bh3?? (better is 24...Rf2 25.Qg1 Rc2 26.Nd5 Bd5–+) 25.gh3?? (better is 25.Qd2 Nd4 26.Nd5+/–) 25...Rf2 26.Kh1 Qg2# 0–1. pillsbury (2095) – baumel (1855), net–chess.com, 2012.

5.e4 Nf6 6.Bd3 d6 7.Nf3 Nbd7 8.Bg5 b6 9.Nbd2 Bb7 10.h4 h6 11.Be3 Qc7 12.0–0 e5 13.Rc1 Ng4 14.Nh2 (14.c4!?=) 14...Nh2 15.Kh2 Bh4 16.Qg4 Bg5 17.f4 Nf6 18.Qh3? (better is 18.Qf3 ef4 19.Bf4+=) 18...Bc8–+ 19.Bb5 Ke7 (better is 19...Kd8!? 20.Qf3 Ng4 21.Kg1 Ne3 22.Qe3 Bf4–+) 20.fg5–/+ Bh3 21.gf6 gf6 22.gh3 Rag8 23.Nc4 Rg6 24.de5 (24.c3!?–/+) 24...fe5–+ 25.Bf2 Rhg8 26.Ne3 Kf8 27.Bh4?? (27.c4 Qb7 28.Nd5 Rg2 29.Kh1 Qc8–+) 27...Qc3 (better is 27...Qc5 28.Bc4 Qe3 29.Rf7 Ke8 30.Re7 Kd8 31.Rg7 Kc8 32.Be6 Kb8 33.Rg8 Rg8–+) 28.Rce1 Qd4?? (better is 28...Qa5 29.a4 a6–/+) 29.Be7!+/– Ke7 30.Nf5 Kf8 31.Nd4 Rg2 32.Kh1 ed4 33.Re2 R2g3 34.Bd7 Ke7+= 35.Bg4 h5 36.Rf3?? R8g4–+ 37.hg4 Rf3 38.gh5 Ra3 39.Rh2 Kf8 40.Kg2? Re3 41.Kf2 Kg7 42.h6 Kh7 43.Rh5 Re4 44.Rf5 Re7 45.Rf6 Rc7 46.Ke1 Kg8 47.Kd2 Rd7 48.Kd3 Kf8 49.Rf4 Rd8 50.Kd4 Ke7 51.Kd5 Rc8 52.Re4 Kd7 53.Rh4 Rh8 54.Rf4 Ke7–+ 55.Ra4 a5 56.Rh4 f5 57.Kc6 Kf6 58.h7 Kg5 59.Rh1 f4 60.Kb6 f3 61.Ka5 Kf4 62.Kb5?? Ke3?? 63.Rh6 f2 64.Re6 Kf3 65.Rf6 Ke2 66.Re6 Kf1 67.Rh6 ½–½. Odler,Daniel (2010) – Kebis,Milos (2020), Novy Memorial 7th, 1989. (=1.a3 c5 2.b4 e6)

5.e4 Nf6 6.e5+= Nd5 7.c4 Nb6 8.c5 Nd5 9.Nf3 (9.Qg4!? g6 10.Bc4+=) 9...b6= 10.cb6 Qb6 11.Bc4 Bb7 12.Bd5 (12.Nbd2!?+=) 12...Bd5= 13.0–0 Nc6 14.Be3 0–0 (14...Qb2 15.Nbd2+=) 15.Nc3= d6 (15...Bf3 16.Qf3 f6 17.ef6 Bf6 18.Qd1=) 16.Rb1 (16.Nd5 ed5 17.Qd3 de5 18.de5 Qa5+=) 16...Qa5= 17.Nd5 ed5 18.ed6 Bd6 19.a4 Rab8 20.Rb8 Rb8 21.Qc1 (21.Ng5!? g6 22.Qf3=) 21...Qa4–/+ 22.g3 (22.Bf4 Bf4 23.Qf4 Re8–/+) 22...a5 23.Rd1 (23.Bf4 Rb3–/+) 23...h6 24.Kg2 Qb5 25.h4 (25.Bf4!? Rd8 26.Bd6 Rd6 27.Qc5–/+) 25...a4 26.Qa1 (26.Bf4 Bf4 27.Qf4 a3–+) 26...a3 27.Nd2 Qb2 28.Rb1 Qa1 29.Ra1 Rb2 30.Kf1? (30.Nb1 a2 31.Nc3–+) 30...a2 31.Kg2 Nb4 32.Ra2 Ra2 33.Nb3 Nc2 34.Bc1 Ba3 35.Ba3 Ra3 36.Nc5 Nd4 37.Nd7 Nc6 38.Nc5 d4 39.Ne4 d3 40.Nd2 Ra2 41.Nb3 d2 (41...d2 42.Nd2 Rd2–+) 0–1. pillsbury (2065) – pushtiu (2125), net–chess.com, 2013.

5.e4 Nf6 6.e5+= Nd5 7.c4 Nb6 8.Nf3 d6 9.ed6 Bf6 10.Nc3 a6 11.Ne4 0–0 12.Nf6 Qf6 13.Bg5 Qf5 14.Bd3 Qa5 15.Bd2 Qa4 16.Qa4 Na4 17.c5 f6 18.Rb1 Ra7 19.Rb4 Bd7 20.Bc2 Nc5 21.dc5 Nc6 22.Rh4 g6 23.0–0 Rf7 24.Bb3 Ra8 25.Re4 Re8 26.Rfe1 e5 27.Bf7 Kf7 28.R4e3 1–0. Creatchy – Bazza3, ChessWorld.net, 2005.

2.a3 c6

3.e4 a5 4.ba5 Qa5 5.Nf3 Be7 6.Bb2 Nf6 7.Nc3 d5 8.e5 Nfd7 9.Bd3 Nc5 10.Be2 0–0 11.0–0 Nbd7 12.d4 Na4 13.Na4 Qa4 14.Qd2 (14.Qd3 b6=) 14...b6+= 15.Ne1 Ba6 16.Nd3 c5 17.c3 Rfc8 18.Rfc1 Rc7 19.Bd1 Qb5 ½–½. Pruesse,Horst (1910) – Rosin,Ralf (1685), Mecklenburg VP LL, 2003. (=1.a3 e6 2.b4 c6)

3.e4= d5 4.e5 a5 5.b5 Bd7 6.bc6 bc6 7.Nf3 c5 8.Be2 Nc6 9.c3 Nge7 10.0–0 Nf5 11.c4 Qc7 (11...Nfd4 12.Nd4 Nd4 13.Nc3=) 12.cd5 ed5 13.Nc3 Be6 14.Qa4 Qd7 15.Bb5 Rc8 16.Bc6 Qc6 17.Qa5 Be7 18.Nb5 Bd8 (18...0–0 19.a4=) 19.Qa4 0–0 20.Nc3 d4 21.Qc6 Rc6 22.Ne4 Bd5 23.Re1 Ba5 24.Rb1 Ra8 25.Rb5 Attacks the backward pawn on c5 25...Bb6 (25...d3 26.Kf1+= (26.Nc5 Bf3 27.e6 Nd6 28.Ra5 Ra5–+)) 26.d3+/– c4?? (better is 26...Kf8+/–) 27.Rd5+– cd3 28.Nd6 Ne7 29.Rb5 Bc5 (29...Ng6 30.Nf5+–) 30.Rb7 Ng6 31.Nf7 Ba3 (31...Re6 32.N7g5 Rea6 33.h4+–) 32.Ba3 Ra3 33.Nd6 (33.Nd4 d2 34.Rbb1 Rb6+=) 33...Rac3 34.Rb8 Nf8 35.e6 Rd6 36.e7 Rf6 37.e8Q 1–0. pozarski (1985) – NN, GameColony.com, 2002.

3.Bb2

3.Bb2 (--> 2.Bb2 c6 3.a3).

3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 c6).

3.Bb2 Nf6 4.c4 a5 5.b5 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 a5 4.b5 c6 5.c4).

2.a3 Nc6

3.Bb2 (--> 2.Bb2 Nc6 3.a3).

3.b5 Na5 4.e3 Nf6 5.Bb2 c6 6.a4 Qb6 7.Ne2 cb5 8.Bd4 Qc6 9.ab5 Qb5? (better is 9...Qc7+=) 10.Nec3+– Qf5 (10...Qc6 11.Ra5 a6 12.Qf3+–) 11.Nb5 Ne4 (11...Nc6 12.Nc7 Kd8 13.Na8 Nd4 14.ed4 Qe4 15.Qe2 Qc2 16.Nc3+–) 12.f3 Nd6 (12...Nc6 13.Nc7 Kd8 14.fe4+–) 13.Nc7 (worse is 13.Ra5 Nb5 14.Bb5 Qg6+–) 13...Ke7 14.Na8 Nb5 (14...b6+–) 15.Ra5 a6 (15...Nd4 16.Rf5 (16.ed4 Qa5 17.Qe2 b5+/–) 16...Nf5 17.c4+–) 16.Bb5 ab5 17.g4 Qd5 18.Nb6 Qc6 19.Ra8 e5 20.Nc8 Ke6 21.Na7 Qa6 22.Re8 Kd6 23.Be5 Kc5 24.d4 Kb6 25.Nc8 Kc6 (25...Ka5 26.Bc7 b6 27.Nd2 Ba3 28.Nb3 Ka4 29.Rh8 Bb2 30.c3 Ka3 31.Nd2 Qa4 32.Bd6 b4 33.Nc4 Ka2 34.Qa4 Ba3 35.Qc2 Ka1 36.0–0 Bc1 37.Rc1) 26.d5 Kc5 27.Qd4# 1–0. Taulien,Hans_Juergen (2350) – Grimm,Manfred (1915), remoteschach.de, 2003.

3.c3 Nge7 4.e3 g6 5.Nf3 Bg7 6.Bb2 0–0 7.Be2 Re8 8.d4 d5 9.0–0 Bd7 10.Nbd2 Qc8 11.c4 dc4 12.Nc4 a6 13.Rc1 b5 14.Re1?? (better is 14.Nce5+/–) 14...bc4–/+ 15.Bc4 Nd5 16.e4 Ncb4 (better is 16...Nb6!?–/+) 17.ab4= Nb4 18.Qb3 Rb8 19.Ba3 Nd5 20.Qa2 e5?? (better is 20...Nb6=) 21.ed5 (21.Bd5!? Be6 22.Ne5 Rb5+–) 21...ed4 22.Re8 Qe8 23.Nd4?? Bd4= 24.Rd1 Bg7 25.Bb2?? Bb2 26.Rb1 Bg7 27.Rb8 Qb8 28.Ba6 Qc8 29.Bc8+– Bc8 30.Qa8 (30.Qa8 Be5 31.Qc8 Kg7 32.Qe8+–) 1–0. Fournier,Frederic (1925) – pacoses (1625), Active Blind, 2008.

3.d3 b5!? +=.

3.d3 Nd4 4.e3= Nb5 5.Bb2 d5 6.g4 (6.Nd2 Nf6+=) 6...Nf6 (6...h5 7.gh5 Nf6 8.Nf3=) 7.g5 Ng8 8.Bh3 (better is 8.c4!? dc4 9.dc4 Qd1 10.Kd1+=) 8...Qg5–/+ 9.Nf3 Qd8 (9...Qh6 10.Bg2 Nd6 11.c4–/+) 10.a4 (better is 10.Nc3 a6 11.Rg1=) 10...Bb4?? (better is 10...Nd6+=) 11.c3 (11.Ke2 e5 12.Bc8 Qc8+–) 11...Qf6 (better is 11...Nc3 12.Bc3 c5+/–) 12.cb4?? (better is 12.ab5 Bd6 13.Nbd2+–) 12...Qb2–+ 13.Ne5?? Nc3 14.Qf3 Qc1 15.Qd1 Qd1# 0–1. Rohn,Kat (2000) – Ch,Da (1950), remoteschach.de, 2009.

3.e3 a6 4.Bb2 Nf6 5.c4 b6 6.Nf3 Bb7 7.d4 Nb4? (better is 7...d5!?+=) 8.ab4+/– Bb4 9.Bc3 Be7 10.Nbd2 0–0 11.Bd3 d6 12.Qc2 h6 13.0–0 Nd7 14.e4 a5 15.Rfb1 Bg5 16.Ng5 Qg5 17.Ba5?? (better is 17.Nf3 Qh5 18.Qa4+–) 17...Ra5= 18.Ra5 Qa5 19.Nf3 f5 20.h3 fe4 21.Be4 Be4 22.Qe4 Qf5 23.Qe1 Qd3?? 24.Rc1 Qg6 25.Kh2 Qf6 26.Rc3 c5 27.Re3 Kf7 28.Nd2 Qd4–+ 29.Re6? Ne5 30.Nf3 Qf4 31.Kg1 Ke6 32.Ne5 Qe5 33.Qb1 Qe2 34.Qg6 Ke5 35.Qg7?? Rf6 36.f4 Ke6 37.Qg8 Kd7 38.Qd5 Qe3 39.Kh1 Qc1 40.Kh2 Qf4 41.Kh1 Kc7 42.Qa8 Qc4 43.Qa7 Kc6 44.Qa8 Kb5 45.Qe8 Kb4 46.Qe1 Qc3 47.Qh4 c4 48.Qe4 Rf1 49.Kh2 Qe5 (49...Qe5 50.Qe5 de5 51.g3 c3 52.Kg2 Rf6 53.Kg1 c2 54.g4 c1Q 55.Kh2 Qd2 56.Kg1 Rc6 57.g5 Rc1) 0–1. phil west – alignment, ChessWorld.net, 2011.

2.a3 d5

3.c4 c6 4.d4 Be7 5.e3 Nf6 6.Nf3 0–0 7.c5 b6 8.Bd3 bc5 9.bc5 Ba6 10.0–0 Bd3 11.Qd3 a5 12.Nc3 a4 13.Bd2+= Na6 14.Rab1 Nc7 15.Rb6 Qd7 16.Rfb1 Nfe8? 17.Ne5 Qd8 18.Nc6 Qd7 19.Ne7 Qe7 20.Nb5 Na6 21.Nd6 Nf6 22.Ra6 Ra6 23.Qa6 (23.Qa6 Ne8 24.Rb7+–) 1–0. alarmimherz1 – abc1 (1845), Live Game Caissa's Web, 2006.

3.d4 b5 4.Nc3 a5 5.Bb2 ab4 6.ab4 Ra1 7.Qa1 Bb4 8.h3 c6 9.Nf3 Nf6 10.e3 0–0 11.Bd3 Qb6 12.0–0 Ba6 13.Ne2 Nbd7 14.c3 Bd6 15.Ng3 Ra8 16.Qb1 g6 17.e4 de4 18.Ne4 Ne4 19.Be4 f5 20.Qa2 Nf8 21.Bc2 Bb7 22.Qb3 c5 23.c4 b4 24.Rc1 cd4 25.Bd4 Qc7 26.Be5 Ra3 27.Qb2 Bf3 28.Bd6 Qd6 29.gf3 Rf3 30.Kg2 Qc6 0–1. Petersen – Suess, corr 1986.

3.d4 b6 4.Bf4 Nf6 5.e3 c5 6.c3 Bd6 7.Bb5+= Bd7 8.Bd6 Bb5 9.bc5 bc5 10.Bc5 Ne4 11.a4 Bc4 12.Ba3 Qg5 13.Qf3 Bd3 14.Nh3 Qh4 15.Nf4 Bb1 16.Rb1+/– Nc3? 17.Rc1+– Nd7 18.Rc3 Rb8 19.0–0 Nb6 20.Rc7 Nd7 21.Rfc1 Qd8 22.h3 g6 23.Nd5! ed5 24.Qd5 (24.Qd5 Qc7 25.Rc7 Rb1 26.Kh2 Rh1 27.Kh1 Nb6 28.Qf7 Kd8 29.Qe7#) 1–0. Nguyen Tran Quang,Minh – Dang The Nam, VIE–chT, 2003.

3.d4 g6 4.Bb2 Bg7 5.Nf3 Nd7 6.e3 c6 7.c4 Ne7 8.c5 b6= 9.h3 0–0 10.Bd3 Nf5 11.Bf5 ef5= 12.0–0 Ba6 13.Re1 bc5 14.Bc3 Re8 15.bc5 Nf6 16.Qa4 Bb5 17.Qc2 Ne4 18.a4 Bc4 19.Nfd2 Nd2 20.Nd2= Ba6 21.Nf3 Qd7 22.Rab1 Bf6 23.Qd2 Bc4 24.Rb4 a5 25.Rb6 Kg7 26.Ba5 h5 27.Ra1 f4 28.ef4 Bd8 29.Ne5 Qa7?? 30.Nc6+– Qd7 31.Ne5 Qf5 32.Nc4 Bb6?? 33.Nb6 Ra7 34.Bb4 Re4 35.c6 Rf4 36.a5 Qf6 37.Bc5 Re4 38.Nd5 Qc6 39.Nb4 Qe6 40.Ba7 Qe7 41.Bc5 Qd7 42.a6 f6 43.a7 (43.a7 Re8 44.a8Q Ra8 45.Ra8+–) 1–0. pillsbury (1910) – rprado, net–chess.com, 2007.

3.e3 Bd6 4.Nf3 Nf6 5.c4 a5 6.c5 Be7 7.Bb2 b6 8.d4 c6 9.Nc3 Ba6 10.Ba6 Ra6 11.0–0 0–0 12.Qb3 Qc7 13.b5 cb5 14.Nb5 Qc8 15.cb6 a4 16.Qa2 Rb6 17.Rfc1 Qb7 18.Rc7 Qa6 19.Re7 Qb5 20.Bc1 Rc8 21.Ne5 Nc6 22.Nc6 Rbc6 23.Qd2 Qb6 24.Qd1 Kf8 25.Bd2 Ke7 26.Qa4 Kf8 27.Bb4 Kg8 28.Qd1 Qc7 29.g3 Ne4 30.a4 Rc1 31.Rc1 Qc1 32.Qe1 Qb2 33.Bc5 0–1. Doctor 3.0 (2220) – Fritz 6, 2002.

3.e3 Bd7 4.c4 dc4 5.Bc4 a6 6.Bb2 Nc6 7.Nc3 Nf6 8.Nf3 Bd6 9.Qc2 h6 10.0–0–0 b5=+ 11.Bb3 Qb8 12.d4 a5 13.Na2? ab4–/+ 14.ab4 Bb4 15.Nb4? Nb4–/+ 16.Qc5 Na2 17.Kb1 Ne4?? 18.Qc2+/– Qa7 19.Qe4+– 0–0 20.Ne5 Be8 21.Qa8 Qa8= 22.Ba2 Qg2 23.f3 b4 24.Bc4 Ba4–/+ 25.Rc1 b3?? 26.Rhg1 Qh2 27.Rh1 Qd2 28.e4 Ra8 29.d5 ed5 30.Bd5+= Rf8? 31.Rhg1 Bb5+/– 32.Rg7! Kg7 33.Nc4 Kh7?? 34.Nd2 1–0. mgriffin – jhforry (1620), net–chess.com, 2001.

3.e3 Ne7 4.c4 Ng6 5.Bb2 f6 6.d4 Be7 7.Bd3 dc4 8.Bc4 e5 9.h3 a6 10.Nc3 b5 11.Ba2 Qd6 12.Ne4 Qb6 13.de5+/– Ne5 14.Rc1 a5 15.Bd4 Qb7 16.Qc2?? f5?? 17.Qc7 Nd3–+ 18.Kd2 Nc1 19.Qb7?! Bb7 20.Nc5 Na2 (20...Na2 21.Nb7 ab4–+) 0–1. mgriffin (1630) – eduardobandeira, net–chess.com, 2001.

3.e3 Qf6 4.Nc3 c6 5.Nf3 Bd6 6.d4 Ne7 7.Bd3 0–0 8.0–0 b5 (8...Nf5 9.Be2=) 9.Re1 (9.e4 Bf4+/–) 9...a5 10.e4 ab4?? (better is 10...Bf4+=) 11.Nb1 (better is 11.e5 bc3 12.ef6 gf6 13.Re2+–) 11...de4–/+ 12.Be4 h6 13.a4? (better is 13.Bb2!?–/+) 13...ba4–+ 14.Bd2 Nd5 15.Bd5? (better is 15.c4 bc3! 16.Bc3–+) 15...ed5 16.Ra2 Bg4 17.h3 Bf3 18.Qf3 Qd4 19.c3 Qc4 20.Ra1 b3 21.g3 (21.Na3 Qh4 22.c4 Ba3 23.Ra3 Qc4 24.Qg3–+) 21...b2 22.Na3 Qb3 23.Rab1 Qa3 24.Qg4 f5 25.Qe2 Qb3 26.Qe6 Kh7 27.Qd6 Rf6 28.Qe5 Nd7 29.Qd4 a3 30.Qb4 Qc2 31.Red1 a2 32.Qb2 Qb2 33.Rb2 a1Q 34.Ra1 Ra1 35.Kg2 Ne5 36.h4 Nc4 37.Rc2 Nd2 38.Rd2 g5 39.hg5 hg5 40.f3 Rh6 41.Re2 Rhh1 42.f4 g4 43.Re7 Kg8 44.Re6 Rhc1 45.Rc6 Rc2 0–1. pieeater – Kmiroslav, ChessWorld.net, 2013.

3.e4 c6 4.c4 (4.e5 a5=) 4...Nf6 (4...de4 5.d4 Nf6–/+) 5.Nf3?? (5.e5 Nfd7 6.d4 dc4 7.Bc4 a5=) 5...Be7?? (better is 5...de4!? 6.Ng5 h6–+) 6.ed5 cd5 7.Bb2 Nc6 8.c5 0–0 9.Bf6 Bf6–/+ 10.Ra2 e5 11.b5 Nd4 12.Nc3 Nf3 13.Qf3–/+ e4 14.Qh5 g6?? 15.Qe2?? Bf5 16.Na4 d4 17.h3 d3 18.Qe3 Bd4 19.Qh6 Re8 20.g4 Be6 21.Qf4 Ba2 22.b6 a6 23.Bg2 Bd5 24.0–0 Be5 25.Qe3 Rc8 26.Be4 Be4 27.f4 Bd4 0–1. Eries – pieeater, ChessWorld.net, 2012.

3.e4 de4 4.Nc3 –/+.

3.g3 e5 4.Nf3 Bd6 5.d4 =+.

3.g3 f5 4.Bg2 Nf6 5.Nf3 Be7 6.0–0 0–0 7.d3 c5 8.bc5 Bc5 9.Nbd2 Nc6 10.c4 dc4 11.Nc4 Nd5 12.Bg5 Qe8 13.d4 Nc3 14.Qd3 Nd4 15.Nd4 Bd4 16.e3 Ne2 17.Qe2+/– Ba1 18.Ra1 e5 19.Nd6 Qd7 20.Rd1 h6 21.Nb7!! Qa4 22.Be7 Re8 23.Nc5 Qa3 24.Ba8 Re7 25.Rd8 (25...Kh7 26.Rc8 Qa1 27.Kg2+–) 1–0. Eklund,Lars_Goran – Hogberg,Jan, Boras, 1988.

3.Bb2

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

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

3.Bb2 d4 4.Nf3 (--> 1.b4 d5 2.Bb2 d4 3.Nf3 e6 4.a3).

3.Bb2 Nf6

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

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

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

4.e3 c5 5.bc5 Bc5 6.d4 Be7 7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.e3).

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

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

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

4.Nf3 c5 5.bc5 Bc5 6.d4 Bd6 7.e3 0–0 8.Nbd2 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.d4 Bd6 8.Nbd2 0–0).

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

4.Nf3 Bd6 5.e3 c6 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 Bd6).

3.d4 a5

4.ba5 Ra5 5.Bd2 Ra8 6.e3 c6 7.c4= dc4 8.Bc4 b5 9.Bd3 Ba6 10.Bb4+= Bb4 11.ab4 Nf6 12.Nf3 0–0 13.0–0 Nbd7 14.Nbd2 g6 15.Qc2 Qc8 16.Ng5 Ra7 17.Nde4 Ne4 18.Ne4 Qa8 19.Nc5 Nc5 20.dc5 Bc8 21.Qc3 Rd8 22.h4 Rd3? 23.Qd3+– Ra1 24.Qd8 Kg7 25.Qd4 f6 26.Ra1 Qb7 27.Qd6 e5 28.Rd1 Kh6 29.Qf8 Qg7 30.Qc8 f5 31.Qd8 e4 32.Qg5# 1–0. rla – kos88, internet, 2007.

4.b5= c5 5.e3 Nf6 6.Nf3 Bd6 7.dc5 Bc5 8.Bb2 0–0 9.Bd3 b6 10.0–0 Nbd7 11.c4 Bb7 12.cd5 Bd5 13.Nbd2 Rc8 14.e4 Bb7 15.Qe2 Qc7 16.e5 Nd5 17.Qe4 a4?? 18.Qh7# 1–0. Perico,Antonio – Jacquelin,Xavier, IECG, 2001.

4.b5= c5 5.Bf4 Bd7 6.e3 c4 =.

4.b5= Nf6 5.e3 c5 6.Nf3 Nbd7 7.c4 cd4 8.ed4 Be7 9.c5 Ne4 10.Bd3 0–0 11.Qe2 b6 12.Be4 de4 13.Qe4 Ra7 14.c6 Nf6 15.Qe2 Re8 16.0–0 Nd5 17.Bd2 Bf6 18.Nc3 Ne7 19.Rac1 Nf5 20.Rfd1 Be7 21.a4 Ba3 22.Rc2 Bd6 23.Ne4 Bc7 24.Bg5 f6 25.Be3 Qe7 26.Re1 Rd8 27.h3 Qb4 28.Rc4 Qf8 29.Bd2 Qf7 30.Bc1 Qf8 31.Bb2 Qf7 32.Nh2 Nh6 33.Bc3 Nf5 34.Nf3 Ra8 35.Ba1 Ra7 36.Bb2 Qf8 37.g4 Ne7 38.Ba3 Qf7 39.Be7 Qe7 40.Qe3 Qf7 41.Rcc1 Qf8 42.g5 f5 43.Nc3 Qd6 44.Red1 Qf8 45.Ne5 Qe7 46.Ne2 Ra8 47.Kh1 Ra7 48.Nc3 Bd6 49.Re1 Bc7 50.Rg1 Qb4 51.Rgd1 Qe7 52.Rc2 Qe8 53.Qf3 Kh8 54.Rcc1 Kg8 55.Ne2 g6 56.Qe3 Qe7 57.Nc3 Qg7 58.f4 Ra8 59.d5 Rb8 60.Nc4 Qe7 61.Rd4 Bd6 62.Qd2 Bc5 63.d6 Qg7 64.Rd3 Ra8 65.d7 Bb7 66.Kh2 Qe7 67.cb7 Rab8 68.Ne5 Rb7 69.Nc6 Qf8 1–0. Fritz 5.32 (2220) – Comet B25, 2002.

4.b5= Nf6 5.Nf3 =.

4.c3 b5 5.Nf3 Nf6 6.Bg5 Be7 7.e3= ab4 8.Bb5 Bd7 9.Bd7 Nbd7 10.Qb3 c5 11.cb4= c4 12.Qb2+= h6 13.Bf4 Nh5 14.0–0 g5 15.Be5 f6 16.Bg3 Ng3 17.fg3 g4 18.Nh4 f5 19.Ng6 Rg8 20.Nf4 Kf7 21.Nc3 Nb6 22.Qc2 Qd7 23.Nce2 Rh8 24.Nh5 Bg5 25.Nef4+/– Ra7 26.Ra2 Rc8 27.h3 gh3+= 28.gh3 Qa4 29.Qb1 c3 30.Ne6?? Ke6?? (better is 30...Be3 31.Kh2 c2–+). ismaelarango (1645) – super knight, internet, 2005.

3.d4 Bd6

4.Nc3 a5 5.ba5 Ra5 6.e4 Qe7 7.Bd3 de4 8.Ne4 Ba3 9.c3 Nc6 10.Nf3 Bc1 11.Ra5 Na5 12.Qc1 b6 13.0–0 Nf6 14.Bb5 Bd7 15.Nf6 gf6 16.Bd7 Qd7 17.Qf4 Qd8 18.Ra1 Nc4 19.Qe4 0–0 20.Qg4 Kh8 21.Kh1 Nd6 22.Qf4 Rg8 23.Ra2 Rg7 24.Ra6 b5 25.Ra7 Qb8 26.Ra5 Nc4 27.Ra1 f5 28.Ne5 Nd6 29.Nd7 Qb7 30.f3 Qd5 31.Nf6 Qc6 32.d5 ed5 33.Qd4 Rg6 34.Nd5 Rg7 35.Rd1 Qc4 36.Qc4 bc4 37.Nc7 f6 38.Nd5 Ra7 39.Kg1 Kg7 40.Kf2 Ra3 41.Rd4 Kf7 42.Ne3 f4 43.Nc4 Nc4 44.Rc4 Ra2 45.Kf1 Rc2 46.h4 h6 47.Kg1 Ke6 48.Rc6 Ke5 49.Kh2 Rc1 50.Rc5 Ke6 51.c4 Rc3 52.Rh5 Rc4 53.Rh6 Kf5 54.Rh8 Kg6 55.Rg8 Kf7 56.Rb8 Kg6 57.Kh3 f5 58.Rb6 Kh5 59.Rf6 Rc5 60.g4 fg3 61.Kg3 Rb5 62.Kf4 Rb3 63.Rf5 Kh4 64.Rf7 Rb4 65.Ke5 Rb5 66.Kf6 Rb4 67.Kf5 Kg3 68.Ke5 Rb5 69.Ke6 Rb4 70.Kd5 Rf4 71.Ra7 Kf3 72.Ra3 Ke2 73.Ke5 Rf8 74.Ra7 Kf3 75.Re7 Ke3 76.Kd5 Kd3 77.Rb7 Rf5 78.Kd6 Kc4 79.Ke6 Rh5 80.Rd7 Rh1 81.Rd8 Re1 82.Kf5 Kc5 83.Kf4 Re2 84.Kf3 Re7 85.Rd1 Kc4 86.Kf4 Re2 87.Kf5 Kc5 88.Rd7 Re8 89.Kg5 Rf8 90.Kg4 Rf2 91.Rd8 Rf6 92.Rd1 Kc4 93.Kg5 Rf2 94.Rd8 Rf3 95.Kg4 Rf6 96.Rd7 Rf1 97.Kg5 Kc5 98.Rd8 Rf3 99.Rd1 Rf8 100.Kg4 Rf7 101.Rc1 Kd4 102.Rc8 Rf1 103.Rd8 Ke5 104.Re8 Kd5 105.Kg5 Kd6 106.Kh4 Rg1 107.Rd8 Ke5 108.Re8 Kf4 109.Kh5 Rh1 110.Kg6 Rd1 111.Kf6 Rd6 112.Ke7 Ke5 113.Rh8 Re6 114.Kd7 Rg6 115.Rh5 Kd4 116.Rh2 Kc4 117.Rd2 Kc5 118.Ke7 Kc6 119.Rd1 Rh6 120.Rd3 Rh1 121.Rd8 Re1 ½–½. Fritz 6 (2220) – Fritz 5.32, 2002.

4.e3 a5 5.b5 =.

3.e3 a6 4.Nf3 b5 5.Bd3 c5 6.bc5 Bc5 7.0–0 Nf6 8.Re1 Ng4 9.Nc3 Qf6 10.Bb2 Qh6 11.Ne2 Bb7 12.c3 (12.a4 b4=) 12...Bd6 Now all is on h2 (12...Nc6 13.h3 Nce5 14.Ne5 Ne5 15.Bc2+=) 13.g3 (13.h3 Ne5 14.Ne5 Be5+=) 13...Ne5 (better is 13...e5!? 14.Bf5 Qh3–/+) 14.Ne5= Be5 15.Bc2 0–0 16.d4 Bf6 17.Bc1 Bg5 18.Nf4 Nd7 19.Qf3 Bf4 20.ef4 Qf6 21.Be3 Rac8 22.Bd2 h6 23.Qg4 g6 24.Rab1 Nb6 25.Re5 (better is 25.f5!? ef5 26.Qf4+=) 25...Nc4–/+ 26.Re2 h5 27.Qf3 Na3 (27...Nd2?! 28.Rd2 Rc4 29.Rd3=) 28.Rb2 Nc4 29.Rb1 Rfe8 30.Kg2 Kg7 31.h3 Rc6 32.g4 Rh8 33.g5 Qe7 34.Be3 Rb6 35.h4 Rc8 36.Kg3 f6 37.gf6 Qf6 38.Qg2 (38.Bc1 Nd6–+) 38...Rf8 (better is 38...Rbc6–+) 39.Bd2? (better is 39.Rg1 Nd6 40.Bd2–+) 39...Nd2 40.Rd2 Bc8 41.f3?? Bd7 42.Re2 Qf4 43.Kf2 Qh4 44.Kf1 Qf6 45.Rf2? Qf4 46.Qg6 Kh8 47.Qh7 1–0. pieeater – 488, ChessWorld.net, 2013.

4.e3 Nc6 5.Bb5 a6 6.Bd3 (6.Bc6 bc6 7.c4 dc4=) 6...Nf6 7.Nf3 0–0 (7...e5 8.de5 Ne5 9.Bb2 Nd3 10.Qd3=) 8.h3 (8.Bb2 Bd7=) 8...b5 9.g4 (9.Bb2 Ne4=) 9...a5 (9...e5 10.de5 Ne5 11.Bb2 Nd3 12.Qd3–/+) 10.c3 (10.Bb5 Na7 11.Ba4 ab4 12.ab4 Bb4 13.Bd2 Bd2 14.Nbd2 Bd7=) 10...ab4 11.Qc2 (11.Bb5 Bd7–/+) 11...ba3–/+ 12.Bb5 a2 13.Nbd2 Ra5?? (better is 13...Bd7–/+) 14.Bc6+– Ne4 (14...Bd7 15.Bd7 Qd7 16.Ra2 Ra2 17.Qa2+–) 15.0–0 (15.Ne4 de4 16.Be4 f5 17.gf5 ef5 18.Qb3 Kh8+–) 15...Ba6 (15...f5 16.Ra2 Nd2 17.Bd2 Ra2 18.Qa2 fg4+/–) 16.g5?? (16.c4 f5 17.Ra2 Ra2 18.Qa2 fg4 A) 19.Qa6 gf3 20.Nf3 Qf6+= (20...Rf3?! 21.Qa8 Qa8 22.Ba8=); B) 19.Ne5 Nd2 20.Bd2 gh3 21.f4+/–) 16...Ng5 (better is 16...Bf1 17.Kf1 Ng5=) 17.Nh4?? (better is 17.Re1=) 17...Nh3–+ 18.Kg2 Qh4 19.f4 Bf1 20.Kf1 (20.Nf1 Qg4 21.Ng3–+) 20…Qf2# 0–1. Pekin Dragons – WirralBoy, ChessWorld.net, 2013.

4.e3 Nf6 5.Nf3 c6 6.c4 0–0 7.c5 Bc7 8.Bb2 b6 9.Nbd2 a5 10.cb6 Bb6 11.ba5 Ba5 12.Qc2 Ba6 13.Ba6 Na6 14.0–0 Qd6 15.Rfc1 Rfc8 16.Nb3 Bb6 17.a4 Nb4 18.Qe2 Rcb8 19.Ne5 Nd7 20.Nd7 Qd7 21.Nc5 Bc5 22.Rc5 Na6 23.Rcc1 Qc7 24.h3 Rb7 25.Qc2 Nb4 26.Qc3 Qd8 27.Qd2 Qc7 28.a5 Rb5 29.Rcb1 Na6 30.Bc3 Qe7 31.Rb2 Rab8 32.Rab1 Qa3 33.Qc1 Qd6 34.Ra1 Qe7 35.Qd2 Rb2 36.Bb2 Rb5 37.Qc3 Qc7 38.Ra2 f6 39.Qd2 c5 40.dc5 Rc5 41.Ra1 Rc2 42.Qd4 Kf7 43.Qb6 Qc4 44.Ba3 Qe2 45.Rf1 e5 46.Qd6 Qd3 47.Qd7 Kg6 48.Bf8 Rc7 49.Qg4 Kh6 50.Qh4 Kg6 51.Qg3 Kh5 52.Bg7 Qf5 53.Bh8 Nc5 54.Rc1 Qg5 55.Qf3 Kg6 56.Qd5 Rc8 57.Rc5 Rh8 58.a6 Kh6 59.a7 Qg8 60.Qf3 Qg5 1–0. Fritz 5.32 (2220) – Fritz 6, 2002.

3.d4 Nf6

(--> 1.b4 Nf6 2.d4 e6 3.a3 d5).

4.e3 Bd6 5.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Bd6 5.d4).

4.Nf3 (--> 2.a3 Nf6 3.Nf3 d5 4.d4).

3.e3 a5

4.Bb2 ab4 5.ab4 Ra1 6.Ba1 Nf6 7.Bf6 Qf6 8.c3 Nd7 9.d4 Bd6 10.Nf3 0–0 11.Be2 c6 12.0–0 e5 13.de5 Ne5 14.Nd4 Re8 15.Nd2 Bd7 16.e4 Ng6 17.ed5 Qe5 18.N2f3 Qd5 19.c4 Qe4 20.c5 Bb8 21.Bc4 Qf4 22.Qc1 Qf6 23.Rd1 Nf4 24.Qb1 h6 25.Kh1 Rd8 26.Re1 Bc7 27.h3 b6 28.Qc2 bc5 29.bc5 Ra8 30.Kg1 Ra5 31.Nb3 Bf5 32.Qc1 Ra8 33.Bf1 Qg6 34.Kh1 Be4 35.Nbd2 Bd5 36.Re3 Ra2 37.Re8 Kh7 38.Re3 Rc2 39.Qd1 Rc5 40.Re7 Ba5 41.Re3 Rc2 42.Nb3 Rb2 43.Na5 Rb1 44.Qb1 Qb1 45.Ne1 Qa2 46.Nd3 Nd3 47.Bd3 g6 48.Nb7 0–1. Doctor 3.0 (2220) – Comet B25, 2002.

4.Bb2 ab4 5.Nf3 ba3 6.Na3 Nf6 7.Bd3 Bb4 8.Nb5 Ra1 9.Qa1 0–0 10.Bf6= Qf6 11.Qf6 gf6 12.Nc7 Na6 13.c3 Ba5 14.Na6 ba6 15.Ke2 Bb7 16.Ra1 Bc7 17.Ra4 Ra8 18.Rg4 Kh8 19.Rh4 d4? 20.Bh7 Bf3 21.Kf3 Kg7 22.Be4 dc3?? 23.Ba8 (23.Ba8 cd2 24.Ke2+–) 1–0. pierre – NN, internet, 2006.

4.b5 Bd6 5.Nf3 Nf6 6.c4 c6 7.d4. Baer,Werner – Hohlstein,Walter, TSC, 2003.

3.e3 c5

4.c3 g6 5.Bb2 Bg7 6.bc5+= Nc6 7.Nf3 Nge7 8.Bb5 0–0 9.d4 b6= 10.cb6 Qb6 11.Bc6 Qb2 12.Ba8 Qa1 13.Qb3?? Ba6–+ 14.Nfd2 Ra8 15.f3 Bf8 16.Kf2 Bc4! 17.Nc4 dc4 18.Qb7? Rc8 19.Qa7?? Qa2 20.Kg3 Nf5 21.Kf4 Qg2 22.e4 Qh1 23.ef5 Qb1 24.fe6 Qf5 25.Kg3–+ Qe6 26.a4 Bd6 27.Kg2 Qe2 28.Kh3 Qh2 29.Kg4 h5 30.Kg5 Qf4# 0–1. euforia (1605) – chessnutz, internet, 2007.

4.bc5 Bc5 5.d4 Bd6 6.Bd3 Nf6 7.Nf3 Nc6 8.0–0 0–0 9.c4 dc4 10.Bc4 a6 11.Nc3 b5 12.Bd3 Bb7 13.Ne4 Be7 (13...Ne4!? 14.Be4 Rc8+=) 14.Nf6 Bf6 15.Bb2 Rc8 16.Nd2 Na5 17.Qh5 g6 18.Qe2 Qb6 19.Rac1 Bd5 20.Bc3 Be7 21.Bb4 Bb4 22.Rc8 Rc8 23.ab4 Nc6 24.Rb1 e5 25.Be4 Be4 26.Ne4 ed4 27.Nf6 Kg7 28.Nd5 Qd8 29.Qa2 de3 30.Ne3 Ra8 31.Rd1 Qe7 32.Qa1 Qe5 33.Qa3 Nd4 34.Qa5 Ne2 35.Kf1 Nc3 36.Rd3 Na4 37.Rd8 Rd8 38.Qd8 Nb2 (38...Qh2?! 39.Nf5 gf5 40.Qg5 Kf8 41.Qd8 Kg7 42.Qg5 Kf8 43.Qd8 Kg7=) 39.Nc2 Nc4 40.g3 Qc3 41.Qd4 Qd4 42.Nd4 Nb6 43.Ke2 Nd5 44.Nc2 Kf6 45.f4 Ke6 46.Kd3 h5 47.Ke2 Nf6 48.h3 Nd5 49.h4 (49.Kf3 Nc3 50.g4 Kd5 51.Ne3 Kd4 52.gh5 gh5–+) 49...Ne7 50.Nd4 Kd5 51.Kd3 f6 52.Nb3? (52.Ne2 Nc6 53.Nc3 Ke6 54.Na2–+) 52...Nc6 53.Kc3 (53.Ke3 Kc4 54.Nd2 Kb4–+) 53...Ke4 54.Nc5 Kf3 55.Na6 Kg3 56.Nc7 Kh4 57.f5 (57.Nb5 Nb4! 58.f5 gf5 59.Nd6–+) 57...g5 58.Nb5 (58.Kd2 g4 59.Ke2–+) 58...g4 59.Kd3 g3 60.Nc3 g2 61.Ne2 Nb4 62.Ke3 Kh3 63.Kf3 Kh2 64.Ke4 h4 65.Kd4 g1Q 66.Ng1 Kg1 0–1. capablancaven (1890) – macq (1855), gameknot.com, 2011.

3.e3 c6

4.Bb2 f6 5.Nf3 a5 6.b5 cb5 7.Bb5+= Bd7 8.Qe2 Qb6 9.Bd7 Nd7= 10.0–0 =. thedesertfox (2170) – tstrickland (2070), net–chess.com, 2004.

4.c4 Nf6 5.cd5 Nd5 6.Bb2 Nd7 7.Nc3 Nc3 8.Bc3 f6 9.Bc4 Nb6= 10.Bb3 c5 11.Nf3 cb4 12.ab4 Nd5 13.Bb2 Nb4=+ 14.0–0 Nd3 15.Bc3 Bd7 16.Ba4 Nc5 17.Bd7=+ Qd7 18.Qc2 Bd6 19.d4 Na6 20.Rfe1 Rc8 21.Qd3 0–0 22.e4 Nb4 23.Bb4 Bb4–/+ 24.Reb1 a5 25.d5 ed5 26.ed5 Rc3 27.Qd1 Rd8–+ 28.Nd4 Qd5 29.Nf3 Qd1 30.Rd1 Rd1 (30...Rd1 31.Rd1 Bc5–+) 0–1. rommeltdf (1780) – bherb, net–chess.com, 2002.

3.e3 Nf6

4.Bb2 Be7 5.Nf3 Nbd7 6.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 Nbd7).

4.c4 Nc6 5.Bb2 b6 6.cd5 Qd5 7.Nc3 Qd8= 8.Bb5 Bb7 9.Nf3 a5 10.Ne5+– Qd6 11.Nc6?? Bc6+= 12.Bc6 Qc6=+ 13.0–0 ab4 14.ab4 Ra1 15.Ba1 Bb4 16.Qa4? Qa4–+ 17.Na4 Bd2 18.Bf6 gf6 19.Rd1 Ba5 20.Kf1 0–0 21.Rd7 c5 22.Rb7 Rc8?? 23.Nb6–/+ Bb6 24.Rb6 c4 25.Rb1 f5 26.Ke2 e5 27.Kd2=+ Kg7 28.Kc3= Kg6 29.Rb4 e4 30.Rc4 Rc4 31.Kc4+/– Kg5 32.Kd4 f6 33.h3 h5 34.g3 h4? 35.Kd5+– hg3 36.fg3 Kh5 37.Ke6 Kg6 38.h4 f4 39.gf4 Kg7 40.Kf5 Kf7 41.h5 Kg7 42.h6! Kf7 43.h7 Kg7 44.h8Q! Kh8 45.Kf6 Kh7 46.Kf5 Kh6 47.Ke4 Kg6 48.Ke5 Kf7 49.f5 Ke7 50.f6 Kf7 51.e4 Kf8 52.Ke6 Ke8 53.e5 Kf8 54.Kd7 Kf7 55.e6 Kf8 56.e7 Kf7 57.e8Q Kf6 58.Kd6 Kf5 59.Qe5 Kg4 60.Ke6 Kf3 61.Kf5 Kf2 62.Qe4 Kf1 63.Kf4 Kf2 64.Qc2 Kf1 65.Kf3 Kg1 66.Qg2 1–0. mgriffin – heyuneverno, net–chess.com, 2001.

4.d3 a5 5.b5 c6 6.d4 (6.Nc3 Bd6+=) 6...Bd6 7.a4 0–0 8.Nf3 Nbd7 9.h3 (9.Ba3 Ba3 10.Na3 Qe7+=) 9...e5 10.Ba3 Qe7 11.Be2 Re8 12.bc6 bc6 13.Bd6 Qd6 14.c4 (14.0–0 Ne4+=) 14...ed4 15.Nd4 Ba6 16.cd5 Be2 17.Qe2 Nd5 18.0–0 Nb4 (better is 18...Ne3 19.fe3 Qd4 20.ed4 Re2–/+) 19.Rc1?? Attacks the isolani on c6 (better is 19.Nc3=) 19...Qd4!!–+ 20.Nc3 (20.ed4 Re2 Pinning (20...Re2 Deflection; 20...Re2 Remove defender)) 20...Qe5 21.Rab1 Nc5 22.Na2 Ncd3 (better is 22...Nbd3 23.Rd1 Rad8 24.Qc2–+) 23.Rc3 (23.Rd1 Nf4! 24.Qc4–+) 23...Na2 24.Rd3 Nb4 (better is 24...Nc3 25.Rc3 Qc3–+) 25.Rd7 Qe4 26.Rc1 Rad8 27.Ra7 (27.Qd2 Rd7 28.Qd7–+) 27...Ra8 28.Ra8?? (28.Rd7 Red8 29.Qd2 Rd7 30.Qd7–+) 28...Ra8–+ 29.Rc4 Qd3 (29...Qb1!? 30.Kh2–+) 30.Qd3 Nd3 31.Rc6 g6 (31...Nb2!? 32.Kf1–+) 32.Rd6 Nb4 33.g4 Kg7 34.h4 (34.Rb6 Rc8 35.Rb5 Rc1 36.Kh2 Nc6–+) 34...Ra6 35.Rd7 Rc6 36.Ra7 Rc5 37.Kg2 Na2 38.Kg3 Nc3 39.f3 Na4 40.e4 Nc3 41.g5 (41.Kf4 a4 42.Ke3 h6–+) 41...a4 42.Kg4 (42.Kf4 Rc4–+) 42...Rb5 43.f4 Rb3 (better is 43...Rb4 44.e5 Nb5 45.Ra5–+) 44.e5 (44.f5 h5 45.gh6 Kh6 46.fg6 fg6 47.Ra6–+) 44...Kg8 (better is 44...Ne2 45.h5 gh5 46.Kh5 Rb4–+) 45.Ra8= Kg7 46.h5?? (46.Ra7 Ne2 47.h5 gh5 48.Kh5–+) 46...gh5 (46...h6 47.hg6 h5 48.Kh5 fg6 49.Kg4–+) 47.Kh5 a3?? (47...Ne4 48.f5 Rh3 49.Kg4 Nf2 50.Kf4 Rb3–+) 48.Ra7?? (better is 48.f5 h6 49.gh6 Kh7 50.Ra7=) 48...Nb5 49.Ra6 (49.Ra8 Nd4–+) 49...Nd4 (49...Rb2!? 50.f5 Rh2 51.Kg4–+) 50.Ra4 Nf5 51.Kg4 (51.Ra7 Kf8 52.Kg4 Nd4–+) 51...Ne3 52.Kh4 (52.Kf3 Nc2 53.Ke2 Kg6–+) 52...Nc2 (better is 52...Kg6 53.Kg3 Nd1 54.Kg2 Nc3 55.Ra6 Kf5–+) 53.f5 (53.Ra7 Kg6 54.Kg4 Ne3 55.Kf3 Nd1 56.Ke2 Nc3 57.Kd2 Nd5–+) 53...Rb2 (better is 53...Rb4 54.Rb4 Nb4–+) 54.e6 fe6 55.fe6?? (55.Ra7 Kf8 56.Ra8 Kf7 57.Ra7 Ke8 58.Ra8 Kd7 59.g6 hg6 60.fg6–+) 55...a2 56.e7 Kf7 57.Re4 (57.g6 hg6 58.e8Q Ke8 59.Kg5–+) 57...Ke8 0–1. pillsbury (2190) – rhand (2570), net–chess.com, 2015.

4.d3 Bd7 5.Bb2 a5 6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Bb4 9.c3 Bd6 10.Be2 c5 11.h3 Qa5 12.Bb2 0–0 13.0–0 Ba4 14.Qc1 b5 15.Qd2 (15.c4 dc4 16.Bf6 gf6–+) 15...Nbd7 16.c4 b4 17.Bd1 Ra8 18.Bf6 Nf6 19.cd5 ed5 20.Ba4 Qa4 21.Rc1 h6 22.Qd1 (22.Nh4 Qb3–+) 22...Qd1 (22...b3!? 23.Qd2–+) 23.Rd1 Kf8 24.Nbd2 Ra3 25.Nb1 Ra2 26.Kf1 Ke7 27.g3 (27.Nbd2 Ra3 28.Ke2 Ke6–+) 27...c4 28.dc4 (28.dc4 dc4 29.Nd4–+). pillsbury (2190) – gambitkumar, net–chess.com, 2015.

4.d4 Nbd7 5.Nf3 c6 6.c4 Be7 7.Nbd2 a5 8.b5 0–0 9.Bb2 c5 10.Bd3 b6 11.0–0 Bb7 12.cd5 Nd5 13.Qc2 f5 14.Bc4 Kh8 15.Rfd1 Bd6 16.dc5 Nc5 17.Ba2 Qe8= 18.Nc4 Bc7 19.Bd4 Qg6 20.Qe2 Qh5 21.Nce5 f4 22.e4 Be5 23.Be5 Nf6 24.Bd6 Rfd8 25.Bf4 Nce4 26.Qe3 Rd1+= 27.Rd1 Re8 28.Be5 Ng4 29.Qf4 Ne5 30.Qe5 Qe5 31.Ne5 Nc3 32.Rd7 Bd5 33.Bc4 Bc4 34.Nc4 Nb5 35.a4 Nc3 36.Nb6 Rb8 37.Kf1 Kg8 38.Rd6 Kf7 39.g3 Ne4 40.Rc6 Ke7 ½–½. Winiger,Albert (2150) – Haas,Uwe (2110), remoteschach.de, 2004.

4.Nf3 (--> 2.a3 Nf6 3.Nf3 d5 4.e3).

4.Nf3 a6 5.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6 5.Nf3).

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

3.Nf3

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

3.Nf3 Nf6

(--> 2.a3 Nf6 3.Nf3 d5).

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

4.Bb2 Nbd7 5.e3 Bd6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3 Nbd7).

4.e3 Nbd7 5.c4 a5 6.b5 c5 7.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3 Nbd7 7.c4).

2.a3 Bd6

3.Bb2 c5?? 4.Bg7+– f6 5.Bh8 Be5 6.Nc3 cb4 7.ab4 b6 8.Nf3 Bc3 9.dc3 d5 10.e3 Qe7 11.Nd4 e5 12.Nf5! Qe6 13.Ng7 Ke7 14.Ne6 Be6 15.c4! dc4 16.Qf3 Nd7 17.Qa8 Nh6 18.Ra7 Nf5 19.Qc6 Nh6 20.Bc4 Bc4 21.Rd7 Kf8 22.Qc8# 1–0. pierre – karlsson, internet, 2010.

3.Bb2 Nc6?? 4.e3?? Nf6= 5.Nf3 Qe7 6.d4 h6 7.Bd3 a6 8.c4+/– Na7? 9.Nc3?? c6 10.0–0 b6 11.Qc2 Bb7 12.Rfe1 Bc7 13.Rad1 0–0 14.e4 d6 15.d5 ed5 16.ed5 Qd7 17.dc6 Bc6 18.Be4 Be4 19.Ne4 Rfe8?? 20.Nf6 gf6 21.Re8 Re8 22.Qd2 Kf8?? 23.Re1 Re1+– 24.Qe1 Nc6 25.Qc1 Ne5 26.Ne5 fe5 27.Be5?? de5–/+ 28.c5? bc5 29.bc5? Qd4 30.h3 Bd8 31.Qe3?? Qe3–+ 32.fe3 Be7 33.Kf2 Bc5 34.Ke2 Ba3 0–1. Fournier,Frederic (1940) – Tuertomoderno (1830), Active Blind, 2007.

3.Bb2 Bf4 4.Bg7 d5 5.Bh8 Qf6 6.Bf6 Nf6 7.e3 Be5 8.d4 Bd6 9.c4 dc4 10.Bc4 Nc6 11.Qf3 e5 12.de5 Bb4 13.ab4 Nb4 14.Na3 b5 15.Bb5 Kf8 16.Qf6 c6 17.Qh8 Ke7 18.Qf6 Kf8 19.Bc4 Bd7 20.Qf7 1–0. mgriffin (1870) – buckfast (2500), net–chess.com, 2001.

3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 Bd6).

3.Bb2 Bf8!? =.

3.Bb2 Qg5 4.Nf3 Qf4?? 5.Bg7+– (5...Be7 6.e3+–) 1–0. Wall,Bill – Guest7367, Internet, 2003.

3.g3 c6 4.Nf3 b6 5.Nc3 Bb7 6.Bg2 Nf6 7.0–0 0–0 8.e4 e5 9.d4+= Qe7 10.de5 Be5 11.Ne5 Qe5 12.Bb2 Qh5 13.Qh5+– Nh5 14.e5 g6 15.Nb5 Na6 16.Nd6 Bc8 17.Rad1 Nb8 18.Bc1 Na6 19.Nc8 Rac8 20.Rd7 Rc7 21.Rfd1 c5 22.b5 Rd7 23.Rd7 Nb8 24.Ra7 Rd8 25.Bf3 Nd7 26.Bg5 f6 27.Bd5 Kh8 28.e6 Nb8 29.e7 Re8 30.Bh6 Ng7 31.Bf7 (31.Bf7 Rc8 32.Bg7 Kg7 33.e8Q Re8 34.Be8 Kf8 35.Bc6+–) 1–0. ilmarinens (2315) – capacuba (2160), net–chess.com, 2006.

2.a3 f5

3.c4 Nf6 4.Bb2 Be7 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.a3 Be7).

3.d4 d5 4.e3 Nf6 5.c4 c6 6.Nc3 Bd6 7.Bd3 0–0 8.Nf3 Nbd7 9.0–0 Ne4 10.Bb2 Rf6 11.Rc1 Rh6 12.h3 Ng5 13.cd5 Nf3 14.Qf3 ed5 15.Nd5 Nf8?? (better is 15...cd5 16.Qd5 Kh8 17.Bf5 Nf6+=) 16.Nf4+– g5 17.Nh5 (17.Bc4!? Ne6 18.Ne6 Be6 19.Qf5 Qe7+–) 17...g4 18.hg4 fg4 19.Bc4 Be6 20.Be6 Ne6 21.Qg4 Rg6 22.Qf3 Qh4 23.Ng3?? (better is 23.g3 Rf8 24.Qh1 Qh1 25.Kh1+=) 23...Rf8 24.Qh5–/+ Bg3 25.Qh4 Bh4 26.e4? Nf4–+ 27.g3 Ne2 28.Kh2 Nc1 29.Bc1 Bg3! (29...Bg3 30.fg3 Rf1–+) 0–1. cr50 – whitecat25, ChessWorld.net, 2011.

3.d4 Nf6 4.Nc3 Be7 5.Nf3 0–0 6.h3 b6 7.Bb2 Bb7 8.e3 h6 9.Be2 c5 10.dc5 bc5 11.b5 a6 12.ba6 Ba6 13.Ba6 Ra6 14.0–0 d5 15.Ne5 Qe8 16.Qe2 Ra8 17.Rfd1 Nc6 18.Nb5 Rc8 19.a4 Ne4 20.Nc6 Rc6 21.c4 Qd8 22.Rac1 Ra6 23.cd5 ed5 24.Nc7 Qc7 25.Qa6 Rb8 26.Qe6 Kh8 27.Be5 Bd6 28.Bd6 Qd6 29.Qf5 Rf8 30.Qd5 Qd5 31.Rd5 Nf2 32.Rcc5 Ne4 33.Rc7 Nf6 34.Re5 Ra8 35.a5 Kh7 36.Ree7 Ne8 37.Ra7 Rd8 38.a6 Kg6 39.Rad7 Ra8 40.a7 Kf6 41.Rf7 Ke6 42.Rfe7 Kf6 43.Rb7 Nd6 44.Rb8 1–0. pillsbury (2180) – jbloe (2360), net–chess.com, 2014.

3.e3 Nf6 4.c4 c6 5.Bb2 d5 6.cd5 ed5 7.Nf3 Be6 8.b5 cb5 9.Bb5 Nc6 10.Ne5 Qb6 11.Bc6 (11.Qa4!?+=) 11...bc6= 12.d4. thedesertfox (1915) – gregorgysi (2200), net–chess.com, 2004. (=1.a3 f5 2.b4 e6)

3.Nf3 Nf6 4.e3 Be7 5.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3).

3.f4 Nf6 4.Nf3 d5 5.e3 Bd6 6.c4 c6 7.Bb2 0–0 8.Be2 b6 9.Qb3 Nbd7 10.Be5 Qe7 (10...Ne5? 11.fe5 (worse is 11.Ne5 Be5 12.fe5 Ng4+=) 11...a5 12.ed6 (12.ef6?! Qf6 13.Ra2 ab4+/–) 12...ab4 13.Qb4+–) 11.d4 Ne4 (11...Ne5? 12.fe5 (12.Ne5?! c5=) 12...dc4 13.Qc4+– (worse is 13.ef6 cb3 14.fe7 Be7+–)) 12.0–0 Bb7 13.Bd6 Qd6 14.c5 Qe7 15.Ra2 (15.Nbd2 Rab8+=) 15...g5 (15...Rfb8!?=) 16.fg5+/– Ng5 17.Ng5 Qg5 18.Rf3 Kh8 19.Rg3 Qh4 20.Nd2 Rg8 21.Nf3 Qh6 22.Rh3?? (better is 22.Rg8 Rg8 23.Qd3+=) 22…Qh3–+ (22...Qh3 23.g3 Rab8–+) 0–1. Quabach,Juergen (2155) – Thiemonds,Uli (2065), NRW Class2, 2006.

3.Bb2

3.Bb2 (--> 1.b4 f5 2.Bb2 e6 3.a3).

3.Bb2 Nf6 4.c4 Be7 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.a3 Be7).

3.Bb2 Nf6 4.e3 Be7 5.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3).

3.Bb2 Nf6 4.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3).

3.Bb2 Qh4 4.Nf3 Qh6 (--> 2.Bb2 Qh4 3.a3 f5 4.Nf3 Qh6).

2.a3 Qf6

3.Ra2 Nh6 4.Bb2 e5 5.c4 Qe6 6.e4 b5 7.d3 bc4 8.dc4 Ba6 9.Nd2 Qg6? 10.b5 Bb7+/– 11.Ngf3 d6 12.Nh4 Qf6= 13.g3 c6 14.bc6 Nc6 15.Qa4 Ng4 16.Nhf3 Be7 17.h3 Nh6 18.Be2 0–0=+ 19.0–0 Nd4 20.Nd4+= ed4 21.Bd3 Bc8 22.h4 Bh3= 23.Re1 Ng4 24.Re2 h6 25.Qa5 Nf2?? 26.Rf2+– Bd8? 27.Rf6 Ba5 28.Rd6 Bd2 29.Bd4 Be1 30.Kh2 Bg4 31.e5 Rfd8 32.Be4 Rd6 33.ed6 Rd8 34.c5 Re8 35.Bd5 Be6 36.Be6 Re6 37.Rb2 Ba5 38.Rb7 a6 39.d7 f6 40.Rb8 Kh7 41.Bc3!! Bc7 42.Rc8 Re2 43.Kh3 Bg3 44.Kg3 Re3 45.Kg4 Rc3 46.d8Q Rc4 47.Kf3 (47.Kf3 Kg6 48.Qd3 f5 49.Qc4 Kh5 50.Qf7 g6 51.Rg8 Kh4 52.Qg6 h5 53.Qg3; 47.Kf5 g6 48.Ke6 Re4 49.Kd5 Re5 50.Kd6 Re6 51.Ke6 g5 52.Qg8) 1–0. gdraper (2035) – nwishn (1900), net–chess.com, 2006.

3.Bb2?? Qb2–/+ 4.Nc3 a5?? 5.b5 Ba3 6.e3?? Bb4 7.Nge2 Bc3 8.Nc3 d5 9.Be2 d4! 10.ed4 Ne7 11.0–0 0–0 12.Bf3 Rd8 13.Re1 c5 14.d5?? ed5?? 15.Nd5?? Rd5 16.Bd5=+ Nd5?? 17.c3 b6 18.d4 Nc3 19.Qc1 Qc1 20.Rec1 Na2! 21.Ra2 cd4?? 22.Rac2 Be6?? 23.h3 Nc6 24.bc6+= Rc8 25.c7 Rc7?? 26.Rc7+– (26.Rc7 g5 27.Rb7+–) 1–0. Fournier,Frederic (1975) – Hefestion (1665), Active Blind, 2007.

3.c3 a5 4.Qa4 b5 5.Qb5 Ba6?? 6.Qa5+– Nc6 7.Qc7 Nge7 8.Nf3 Nd5 9.Qg3 h5 10.Qg5 Qg5 11.Ng5 Be7 12.Nf3 Nf4 13.a4 Bc4 14.d3 Bb3 15.Bf4 0–0 16.b5 Na5 17.e4 Bc2 18.Nd4 (18.Nd4 Bb1 19.Rb1+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

3.c3 d5 4.d4 Bd7 5.Nf3 Nc6 6.Bg5 Qg6 7.e3 f6 8.Bd3 f5 9.0–0 h6 10.Bf4 0–0–0 11.c4 a6? 12.b5+– ab5 13.cb5 Nce7 14.Qc2 c6 15.Qa4 (15...e5 16.Qa8 Kc7 17.Be5 Qd6 18.Qa5 b6 19.Qa7 Kc8 20.Bd6 c5 21.Qa8) 1–0. Wall,Bill – Amadeus, internet, 2002.

3.Nc3 Qe5 4.Nf3 Qf5 5.e4+/– Qf4 6.d4 (6.d4 Qg4 7.e5+/–; 6.Be2 Qf6+/–) 1–0. ball – Rtitov, internet, 2006.

3.d4 c5 4.bc5+= Bc5 5.Bb2 Bb6 6.c4 Ba5 7.Nc3 Nc6 8.e3 Nh6 9.Nf3 0–0 10.Be2 b6 11.0–0 Bb7 12.Ne4 Qg6 13.Bd3 f5 14.Nd6 Rab8 15.d5 ed5 16.cd5 Ne7 17.Nb7+/– Rb7 18.d6! Nc6 19.Bc4 Kh8 20.Qb3 Qd6= 21.Rad1 Qg6 22.Bd5 Rc7= 23.Rc1 Rfc8 24.Be5 Nd4?? 25.Qb2 Rc1 26.Rc1?? Rc1 (26...Rc1 27.Qc1 Ne2 28.Kf1 Nc1–+) 0–1. alaamattar (2100) – eightyone (2130), net–chess.com, 2007.

3.d4 Nc6 4.Nf3 e5 5.Bg5 Qd6 6.d5+= Nd4 7.Nd4+/– Qd5 8.Nf3+– Qd1 9.Kd1 e4 10.Nd4 h6 11.Nb5 hg5 12.Nc7 (12.Nc7 Kd8 13.Na8+–) 1–0. Wall,Bill – Construction, internet, 2000.

3.d4 d6 4.e4 c5 5.Nc3 cd4 6.Nb5 d5?? 7.Nc7+– Kd7 8.Na8 Kd8 9.Nf3 de4 10.Bg5 Qe7 11.Qd4 Ke8 12.Bb5 Bd7 13.Be7 Ke7 14.Qc5 Ke8 15.Qc7 Na6 16.Qd7# 1–0. Pierred (2180) – Locochessboy, Rated game, 5m + 0s, 2005.

3.e4 Qa1 4.e5 d6 5.Nc3 de5 6.Bc4 a5 7.Nge2 ab4 8.Nb5 Bd6 9.0–0 ba3 10.c3 Bd7 11.Qb3 Bb5 12.Bb5 c6 13.d3 cb5 14.Qb5 Nd7 15.Qb7 Rd8 16.Qb3 Ngf6 17.d4 ed4 18.Nd4 Rb8 19.Qc4 0–0 20.Nc2 Qb1 21.Na3 Ba3 22.Ba3 Rfc8 23.Qc8 Rc8 24.Rb1 h6 25.Rc1 Ne4 26.c4 Rb8 27.f3 Rb3 28.Be7 Nc3 29.Kf2 Ne5 30.c5 Nd3 31.Ke3 Nc1 32.Kd2 N1e2 33.Kc2 Nd4 34.Kd2 Ncb5 35.Kc1 Rc3 36.Kd1 Nb3 37.h4 Nc5 38.Bc5 Rc5 39.Ke1 Rc2 40.Kf1 h5 41.g3 Nd4 42.f4 Kh7 43.Kg1 Nf5 44.g4 hg4 45.h5 g3 46.h6 Kh6 47.Kf1 g2 48.Kg1–+ Ne3 49.Kh2 Rc1 50.Kg3 g1Q 51.Kf3 Qg2 52.Ke3 Rc3 53.Kd4 Qd2 54.Ke4 Qd5 (54...Qe3) 0–1. iboyd (1950) – nwishn (1900), net–chess.com, 2006.

3.Ra2 b6

4.Bb2 Qe7 5.Nf3 Bb7 6.Nc3 Na6 7.e3 Nh6 8.Bb5 Nb4? 9.ab4+– 0–0–0? 10.Ba3 a6 11.Ba4 b5 12.Bb3 Kb8 13.0–0 Ng4 14.h3 Nh6 15.d4 g6 16.Ne5 Qg5 17.e4 f5 18.d5 fe4 19.Qd4 ed5? 20.Bd5 Bd5 21.Qd5 c6 22.Nc6! dc6 23.Qg5 Nf7 24.Qf4 Nd6 25.Ne4 h6 26.Rd1 Ka7 27.Qe3 Kb7 28.Nc5 Ka8 29.Na6 Kb7 30.Bb2 Nc4 31.Nc5 Kc8 32.Qe6 Kc7 33.Ra7 Kb6 34.Rd8 Nb2 35.Rb7 1–0. stardom – maf, net–chess.com, 2001.

4.Bb2 Qg6 5.g3 a5 6.Bg2 d5 7.Nf3 Ba6 8.d3 ab4=+ 9.a4 Nc6 10.c3 bc3 11.Nc3 Bb4 12.Nh4 Qf6 (12...Qf6 13.0–0 Qg5=+; 12...Qh5 13.0–0 Nge7 14.Qb3–/+) 0–1. Pumphut – k2piet, Hauptsache SPASS, 2003.

3.c3 Nh6

4.Bb2 Ng4 5.Nf3 Nc6 6.e3 Nce5 7.d4 Nc6 8.Be2 d5 9.Nbd2 Bd6 10.0–0 Qh6 h2 seems the pivot of the position 11.g3 f5 12.a4 e5 13.de5 Nce5 14.b5 Nf3 15.Nf3 Ne5? (better is 15...Be6=) 16.Ne5 Be5 17.Qd5 Bd6 18.c4 Rb8 19.c5 Be7 20.Bc4 Rf8 21.Rad1 g5 (21...f4 22.ef4 Qe6 23.Qe6 Be6 24.Be6+–) 22.Rfe1 (better is 22.Qe5 Ra8 23.c6 bc6 24.Qc7 Rf6+–) 22...c6 (22...Ra8 23.Qe5 Qf6 24.Rd8 Kd8 25.Qd5 Ke8 26.Bf6 Bf6 27.e4+–) 23.bc6 (better is 23.Qe5 Ra8 24.Rd6 Rf6+–) 23...Qc6?? (better is 23...bc6 24.Qe5 Rb4+–) 24.Qe5 Ra8 25.Rd2 Qa4 26.Qg7 Qc4–+ 27.Qh7 Qg8 28.Qh5 Rf7 29.Red1 Be6 30.Qf3 Rb8?? 31.Rd3? Bc5–+ 32.Be5 Rc8 33.Kg2 Rd7 34.e4 Rd3 35.Rd3 Qh7 36.ef5 Bf5 37.Rd2 Be4 38.Qe4 Qe4 39.Kg1 Qe5 (39...Qe5 40.Kg2 Qe4 41.f3 Qe1 42.Rc2 g4 43.fg4 Qe4 44.Kh3 Qh7 45.Kg2 Qc2 46.Kf3 Ke7 47.g5 Rf8 48.Kg4 Qe4 49.Kh5 Rh8) 0–1. pieeater – snake2, ChessWorld.net, 2012.

4.Nf3 d5 5.e3 (5.d4 Bd6 (5...Nf5 6.Nbd2 Nd6 7.e3 Be7 8.Bd3 Bd7 9.c4 dc4 10.Nc4 Nc4=) 6.c4 c6 7.Bg5 Qg6 8.c5 Bc7 9.e3 f6 10.Bh6 Qh6=; 5.d3 Bd6 (5...Ng4 6.Bg5 Qf5 7.Nbd2 Bd6 8.e4 Qg6 9.h3 Nh2 10.h4 h6=) 6.e4 Ng4 7.Be2 0–0 8.Qc2 a5 9.b5 Nd7 10.Nbd2 c5=) 5...Bd7 (5...e5 6.d3 a5 7.b5 Bf5 8.Nbd2 e4 9.Nd4 ed3 10.Nf5 Nf5=; 5...Bd6 6.d4 a5 7.b5 0–0 8.Bd3 e5 9.de5 Be5 10.Ne5 Qe5=) 6.Bd3 (6.d3 a5 7.ba5 Ra5 8.Qb3 Rb5 9.Qc2 Bd6 10.d4 Ra5=) 6...e5 7.e4 Bc6 (7...Qg6 8.Qe2 Qg2 9.Rg1 Qh3 10.Rg3 Qh5+=) 8.Qe2 (8.b5 Bd7 9.ed5 Bc5 10.0–0 0–0+=) 8...d4 (better is 8...Bd6!?+= 9.b5 Bd7 10.ed5 0–0+=) 9.cd4+/– ed4 10.0–0 (10.Bb2 Bd7+/–) 10...Nd7? (better is 10...a5+=; 10...Bd7+=) 11.b5+– Bc5 12.bc6 Qc6 13.Bb5 Qe6 14.d3 c6 15.Bc4 Qe7 16.Bg5 f6 17.Bh4 (17.Bh6 gh6 18.Nh4 Kd8+–) 17...Ne5 18.Ne5 Qe5 19.Bg3 Qe7 20.Nd2 Ba3 21.Nb3 Bb4 (21...Nf5 22.Bf4 b5+–) 22.e5 (22.Nd4 Bc3 23.Ne6 Ba1 24.Ra1 Kd7+–) 22...Bc3? (22...Nf5 23.Ra2 Ng3 24.fg3 (24.hg3?! fe5 25.Qe4 Bc3+=) 24...Qe5 25.Qg4+–) 23.Rac1 (better is 23.Qh5 Nf7 24.e6+–) 23...b5 24.Na5?? (better is 24.Qh5 g6 25.Qf3 bc4 26.Qc6 Kf7 27.Qd5 Qe6 28.Qb7 Qe7 29.e6 Kf8 30.Bd6 (30.Qa8?! Kg7 31.Qd5 cb3+/–) 30...Qd6 31.Qa8 Kg7 32.Qa7 Kf8 33.dc4+–) 24...Ba5= 25.Bb3 (25.Qh5 g6 26.Qf3+/–) 25...c5?? (better is 25...Bc3–/+) 26.Bd5 Rb8? 27.Rfe1?? f5?? 28.e6 Be1 29.Re1?? 0–0–+ 30.Bb8 Rb8 31.g3 a5 32.Kg2 Rb6 33.h3 a4 34.h4 b4 35.Qe5 g6?? 36.Kh3?? Ng4–+ 37.Qf4 b3 38.Bb3 Rb3 39.h5 a3 40.hg6 hg6 41.Kg2 Rd3 42.Kh3 Kg7 43.Kg2 a2 44.Kh3 Rb3 45.Kg2 Rb1 46.Rb1 ab1Q 47.f3 Qc2 48.Kh3 Qh2 0–1. pieeater – snake2, ChessWorld.net, 2011.

3.Nc3 a5

4.Bb2 ab4 5.ab4 Bb4?? 6.Ra8+– Ne7 7.Rb8 0–0 8.Nf3 b6 9.e4 Qh6 10.Bc4 Nc6 11.Ra8 Na5 12.Be2 d5 13.0–0 1–0. clochard (2200) – maf (2125), net–chess.com, 2004.

4.b5 b6 5.Nf3 Bb7 6.Bb2 d5 7.e3 Nd7 8.Rb1 Qe7. thedesertfox (1920) – maf (2105), net–chess.com, 2004.

3.Nc3 b6

4.Bb2 Bb7 5.e3 Nh6 6.Nf3 a5 7.Qb1 Qe7 8.Nb5 Kd8 9.Be2 Ba6 10.Be5 ab4?? 11.Nc7 Ra7 12.ab4 d6 13.Na6 Na6 14.Bd4 d5 15.Bb6 Kc8 16.Ba6 Kb8 17.Ba7 Ka7 18.Bd3 Kb8 19.Nd4 g6 20.Nc6 Kc7 21.Ne7 Be7 22.Ra7 Kd6 23.Re7! Ke7 24.Qa1 Rd8 25.Qa7 Kf6 26.Qd4 Ke7 27.Qh4 Kd7 28.Qh6 Rh8 29.Bb5 Kd6 30.Qg7 Rc8 31.d4 (31.d4 Ke7 32.Kd2+–) 1–0. jboger (2010) – gperez (1775), net–chess.com, 2010.

4.Bb2 Bb7 5.Nf3 Bf3 (5...Nc6 6.d4+=) 6.ef3 (6.gf3 Nc6+/–) 6...Qe5+= 7.Qe2 Qe2 8.Be2 a5 (8...Nc6 9.Rg1+=) 9.b5 (9.Nb5 Kd8 10.ba5 Ra5 11.Be5+=) 9...Nf6 (9...d5 10.f4+=) 10.0–0 (10.Na4 d5+=) 10...Be7 (10...d5 11.f4+=) 11.d4 (11.f4 d5+/–) 11...d6 (11...d5 12.Rfe1+=) 12.a4 (12.f4 d5+=) 12...0–0 13.Bd3 (13.f4 d5+=) 13...Nbd7 14.Rfe1 Rfe8 15.h3 c5? (15...d5+=) 16.Ne4?? (better is 16.bc6 Nf8 17.c7+–) 16...Rac8 (16...cd4 17.Bd4 d5 18.Nf6 Bf6 19.Bf6 Nf6 20.f4+=) 17.Ng5 (17.dc5 Ne4 18.fe4 Nc5=) 17...g6 18.Re2?? Nd5 19.Ne4? Nf4 20.Ree1 f5 21.Ng3 Nd3 22.cd3–/+ f4 23.Ne4? d5–/+ 24.Nd2 Bf6 25.Nb3 Kg7 26.Rac1 e5?? 27.Rc2?? h5?? 28.dc5+/– Nc5 29.Nc5 Rc5 30.Rd2?? d4?? 31.Bd4!+– Rd5 32.Bb6 Ra8 33.Rc1 Rb8?! 34.Rc7 Kh6 35.Rc6 Bd8 36.Bc5 Kg7 37.b6 Kf7 38.Kf1 g5 39.d4 g4 40.fg4 h4 41.Rh6 Kg8 42.Rh5 Kg7 43.Re5 Re5 44.de5 Kf7 45.Rd6 Kg7 46.Rd7 Kg6 47.e6 Kf6 48.e7 Be7 49.Re7 Rc8 50.Rc7 Re8 51.b7 (51.b7 Rb8 52.Bd6 Ke6 53.Bf4 Kd5 54.Rd7 Ke4 55.Rd4 Kd4 56.Bb8 Kd5 57.Bf4 Ke6 58.b8Q Kf7 59.Qb6 Ke7 60.Qd6 Kf7 61.Be5 Ke8 62.Qe6 Kf8 63.Qd7 Kg8 64.Qg7#) 1–0. eddie43 – Dutta, ChessWorld.net, 2012.

3.Nc3 c5

4.Rb1 cb4= 5.ab4 a5 6.Ba3 ab4 7.Bb4 Nh6 8.Nf3 Ng4 9.e3 b6 10.Bf8+– Rf8 11.Nb5 Ke7 12.Nfd4?? Qf2 0–1. losertoo (1860) – nwishn (1900), net–chess.com, 2006.

4.Bb2 a6 5.bc5 Bc5 6.Nf3 e5? 7.e3?? d6? 8.h3 d5?? 9.Nd5+– Qc6 10.c4 Nd7? 11.Ne5 Ne5 12.Be5 f6 13.Nc7 Kd8 14.Na8 fe5 15.Qh5 Qf6 16.Be2 Qe7 17.Qf3 e4 18.Qf4?? Bd6–+ 19.Nb6 Bf4 20.Nd5 Qg5 21.Nf4 Qa5 22.g4 g5 23.Nd5 h6 24.Nc3 Nf6 25.0–0 h5 26.f3 hg4 27.hg4 ef3 28.Bf3 Ng4 29.Bg4 Bg4 30.a4 Qe5 31.Rf2 Bh3 32.Rb1 Qg3 33.Rg2 Qg2 0–1. valerypavlovich (2120) – nwishn (1900), net–chess.com, 2006.

4.b5 b6 5.Nf3 Bd6 (5...d5!?=) 6.Ne4 Qa1? (better is 6...Qe7+/–) 7.Nd6+– Kf8 8.Nc8 d5 9.d3 Nd7 10.Nd6 Ke7?? (better is 10...Qc3 11.Qd2 Qd2 12.Bd2 Ke7+–) 11.Bg5 f6 (11...Qf6 12.Bf6 gf6 13.Nf5 ef5 14.d4+–) 12.Qa1 Kd6 13.Bh4 Ne7 14.Bg3 e5 15.c4 (15.e4!? a6+–) 15...d4 16.e3 Nf5 17.ed4 Ng3 (17...cd4 18.Nh4 Ng3 19.fg3+–) 18.dc5 Nc5 19.hg3 Rhe8 (19...Rae8 20.Nh4 Kc7 21.Be2+–) 20.Rh7 Rh8 (20...Ne6 21.Be2 Rh8 22.Rh3+–) 21.Rh8 (better is 21.Rg7!? Rhe8+–) 21...Rh8 22.d4 Rh1 (22...ed4 23.Qd4 Ke7 24.Nh4+–) 23.dc5 (23.dc5 Kc5 24.Qb1+–) 1–0. Yannick – Spion, playchess.de, 2005.

3.Nc3 Nc6

4.Rb1 Ne5 5.e4 a5 6.Nb5 Bd6? (6...Qd8!?+=) 7.Nd6 (7.d4!? Nc6 8.e5 Ne5 9.de5 Qe5 10.Be2 ab4 11.ab4 Ra6+–) 7...cd6+/– 8.c3 Nc6 9.d4 ab4 10.cb4 Nd4 11.Bb2 e5 12.Bd4 ed4 13.Ne2 b6 14.Nd4 Ra3 15.Nb5 Ra2 16.Nd6 Kd8 17.Be2 Qc3? (better is 17...Nh6 18.Qd3 Ke7+–) 18.Kf1 Nh6 (18...Re2 19.Ke2 Ke7 20.Nf5 Kd8+–) 19.Rc1 Rd2 (19...Qd2 20.Rc8 Ke7 21.Qd2 Rd2 22.Rh8 Rd6 23.g4+–) 20.Rc3 Rd1 21.Bd1 Ba6 22.b5 Ke7 23.ba6 (better is 23.e5!? Bb5 24.Nb5 f6 25.ef6 Kf6+–) 23...Kd6 24.Bf3 Ke5 25.Ke2 Ra8 26.Ra1 f6 27.Rc7 Ke6 28.e5! Rb8 29.a7 Ra8 30.Ba8 Nf7 31.Bb7 Nd8 32.a8Q Nb7 33.Qb7 Ke5 34.Rd7 g5 35.Ra4 Kf5 36.Qe4# 1–0. irish paddy – snake2, ChessWorld.net, 2012.

4.Bb2 d5 5.Nd5!+/– Qd8 6.Nc3 e5 7.Nf3 Bf5 8.e4+– Bg4 9.Bb5 Qd7 10.Ne5! Qe6?? 11.Ng4 a6 12.Bc6 Qc6 13.Nd5 Ne7 14.Ne5 Qd6 15.Qh5 g6 16.Qf3 Qe5 17.Be5 Nd5 18.Bh8 Nb6 19.Bd4 Nc4 20.e5 Rd8 21.Qc3 b5 22.d3 Nb6 23.Bb6 cb6 24.Qc6 Ke7 25.Qb7 Ke6 26.Qb6 Ke5 27.f4! Kf4 28.Qf6 Kg4 29.h4 Rd4 30.Qf3 1–0. lucya (2135) – dlmUSA, GameColony.com, 2002.

4.Bb2 e5!? =.

4.e3 Nge7 5.Bb2 Ne5?? (5...e5 6.Bc4 (6.Qf3+= Qe6 7.Nb5 Kd8 8.Nh3 f6 9.Nc3 d5 10.b5 Nb8 11.e4=; 6.Be2 a6 7.Bf3 d6 8.b5 Nd8 9.ba6 Ra6 10.d4 ed4 11.ed4=) 6...d6 7.Nb5 Kd8 8.Qf3 Be6 9.Be6 Qe6 10.Nh3 f5 11.d3=; 5...Rb8 6.b5 (6.Nf3 a6 7.Bc4 b5 8.Be2 d5 9.0–0 e5 10.Ne1 d4 11.ed4=) 6...Na5 7.Nf3 d6 8.Na4 Qg6 9.Bc3 b6 10.Bd3 Qg4 11.Nb2+=; 5...Nf5 6.Nf3 (6.b5 Ne5 7.Nf3 Nf3 8.Qf3 d5 9.g4 Nd6 10.Qf6 gf6 11.g5=) 6...Bd6 7.Rb1 0–0 8.Ne4 Qe7 9.b5 Nb8 10.g4 Nh6 11.Nd6+=) 6.Rb1?? (6.f4 N5c6 7.Nd5 Qb2 8.Nc7 Kd8 9.Na8 b5+–) 6...N7c6 7.Ne4?? Qe7?? 8.f4?? Ng6+= 9.Nf3 f5 10.Nc5 d6 11.Nb3 Nh4 12.Nh4 Qh4 13.g3 Qe7 14.Bg2 Bd7 15.0–0 0–0–0 16.Qf3 e5 17.fe5 de5 18.Nc5 e4 19.Qe2 Be6?? 20.Bh3 Rg8?? 21.Bf5 Bf5 22.Rf5 Qe8 23.Qg4 Kb8? 24.Rbf1?? g6 25.Rf6 Bc5= 26.bc5 Rd2 27.R1f2 Rf2 28.Kf2 Na5 29.Re6 Qd7 30.Re4 Rf8 31.Ke2?? Qb5–+ 32.Kd2 Qb2 33.Rf4 Rd8 34.Rd4 Nb3 35.Kd1 Nd4 36.ed4 Rd4 (36...Rd4 37.Qd4 Qd4 38.Kc1 Qg1 39.Kb2 Qh2–+) 0–1. Mr.Oldenslo – snake2, ChessWorld.net, 2011.

3.Nc3 Nh6

4.d4 d5 5.Nb5 Na6 6.Nh3 Qe7 7.Bf4 Ng4 8.f3 Nf6 9.Qd3 Nh5 10.e3 Nf4 11.Nf4 c6 12.Nc3 e5 13.de5 Qe5 14.Qd4 Qd4 15.ed4 Bd6 16.Bd3?? Bf4–+ 17.Kf2 0–0 18.g3 Bd2 19.Ne2 Bh3 20.g4–/+ h5 21.gh5? Rae8 22.Nf4 Bf4 23.h6 gh6 24.Rhg1 Bg5 25.Rg3 Bd7 26.h4 f6 27.hg5 fg5 28.Rh1 Rf6 29.Rg4 Bg4 30.Be2 Re2! 31.Ke2 Rf3 32.Rg1 h5 33.Rg2 Rf4 34.Ke3 Rf3 35.Kd2?? Nc7 36.Re2 h4 37.Rh2 h3 38.c3 Nb5 (38...Nb5 39.Rh1 Nc3–+) 0–1. Barry49434 – Doobi, ChessWorld.net, 2005.

4.e3 a6 5.Nf3 Bd6 6.d4 Nc6 7.Bb2 b5 8.Bd3 Bb7 9.0–0 e5 10.de5 Ne5= 11.Be2 Bf3 12.Bf3 Rc8?? 13.Bb7+– Rb8 14.Ne4 Qg6 15.Nd6 cd6 16.Ba6 (16.Ba6 Rb6 17.Bc8+–; better is 16.Qd5!?+–) 1–0. Whiterose – vulpo, ChessWorld.net, 2005.

3.d4 d5

4.Bb2 Nc6 5.e3= Nh6 6.g3 a6 7.Nh3 e5=+ 8.de5 Ne5–/+ 9.Be5 Qe5 10.c3 Bg4 11.f3 Qe3 12.Qe2 Qe2 13.Ke2 Bh3 14.Bh3–/+ Bd6 15.Kd2 0–0 16.f4 b5 17.Kc2 f5 18.Nd2 c6 19.Rhg1 Rfe8 20.g4? Bf4 21.Nf3 Re2 22.Kb3 Rf2 23.Nd4 Rh2 24.Bf1 Be3 25.Rg2 Rh3 26.gf5?? Bd4 27.Rc1 Bf6 28.Re2 Rg3 29.Rce1 Rc3 30.Ka2 Nf5 31.Re6 Rc2 32.Kb1 Rb2 33.Kc1 Rc8 34.Be2 Ra2 35.Bh5 Bg5 36.Kb1 g6 37.Bg4 Ra3 38.Kb2 Rg3 39.Bd1 Rg2 40.Kb1 Nd4 41.R6e5 Bh4 42.Rh1 Bf6 43.Re3 Nf5 44.Reh3 Rb2 45.Kc1 Rb4 46.Rh7 Bb2 47.Kc2 Nd4 48.Kd3 Nf5 49.R7h2?? Kf7 50.Rh7 Kf6 51.Rg1 a5 52.Rh2 Be5 53.Rhg2 Rd4 54.Kc2 Ne3 55.Kc1 Ng2 56.Rg2 Rh8 57.Rf2 Ke6 58.Bg4 Rg4 59.Rc2 Rh1 60.Kd2 Rg2 61.Kd3 Rd1 62.Rd2 (62.Ke3 Bd4 63.Kf3 Rc2 64.Kg4 Rg1 65.Kh3 c5 66.Kh4 Rh2) 0–1. crazy 8 – vulpo, ChessWorld.net, 2005.

4.Nf3 Nc6 5.Bg5 Qg6 6.e3 h6 7.Bd3 Qh5 8.Bf4 Qg4?? 9.h3+– Qg2 10.Rh2 Qf3 11.Qf3 Bd7 12.Bc7 Nge7 13.Nc3 Nc8 14.Nb5 f5 15.Qh5 g6 16.Qg6 Ke7 17.Be5 Ne5 18.de5 Be8 19.Qf6 Kd7 20.Qh8 Ke7 21.Qf6 Kd7 22.Qf8 Nb6 23.Qd6 Kc8 24.Qc7 1–0. touchdown – Doobi, ChessWorld.net, 2005.

3.d4 e5

4.Bb2 c5 5.de5+/– Qf4 6.e3+– Qe4 7.Nd2 Qd5 8.e4 Qe6 9.b5 c4? 10.Bc4 Qg6 11.Qf3 d5 12.Bd5 1–0. Wall,Bill – WheeZee, internet, 2001.

4.Nc3 ed4 5.Nd5 Qe5 6.c4+= c6?? 7.Bf4+– Qe4 8.f3 Qe7 9.Ne7 (9.Ne7 Be7 10.Qd4+–) 1–0. pierre – lillogoal, internet, 2006.

4.de5 Qe5 5.Ra2 d6 6.Nf3 Qf6 7.e3 Be6 8.Bb2 Qg6 9.Ra1 a6 10.h3 h6 11.g3 f6 12.Nc3 Nc6 13.Bg2 0–0–0 14.0–0 d5 15.Ne2 d4? 16.ed4 Bd7 17.Nf4+– Qf5 18.d5 Be8? 19.g4 Qf4–+ 20.Qe1 Ne5 21.Ne5–/+ fe5 22.Be5 Qc4 23.Rd1 Qc2?? 24.d6 cd6?? 25.Qc3?? Qc3–+ 26.Bc3 Nf6 27.Rc1 Kb8 28.Ra1 Bc6 29.Bc6 bc6 30.Bf6 gf6 31.Rac1 Kb7 32.h4 d5 33.f4 Bd6 (33...Bd6 34.Kg2 Rhe8–+) 0–1. ajeffries (1645) – nwishn (1900), net–chess.com, 2006.

2.a3 Nf6

3.c3 Ng4 4.d4 Qf6 (4...Nf6!?=) 5.e3?? (better is 5.Nh3+=) 5…Qf2 0–1. Norsworthy,Elizabeth – Miller,Cole James, IECG, 1995. (=1.a3 e6 2.b4 Nf6)

3.Nc3 g6 4.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 g6 4.Nc3).

3.d3 d5 4.Bb2 Be7 5.Nd2 0–0 6.Ngf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.d3 0–0 6.Nbd2).

3.d4 (--> 1.b4 Nf6 2.d4 e6 3.a3).

3.Nf3 a6 4.d4= g6 5.c4 c6 6.Bg5 Be7 7.Bh6 Ne4 8.e3 g5 9.Qd3 f5 10.Be2 g4 11.Nfd2 Nd2 12.Nd2 Bg5 13.Bg5+– Qg5 14.0–0 Rg8 15.e4 h5 16.ef5 ef5 17.Rae1 Kd8 18.d5 Rg6 19.Bd1 d6 20.c5 h4 21.dc6 bc6 22.cd6 h3 23.Re7 Nd7? 24.Rfe1 Rg8 25.Ba4 Bb7 26.Nc4 g3 27.fg3 hg2 28.Rd7! Kd7 29.Re7 Kd8 30.Rb7 Re8 31.Kg2 Qg4 32.Re7 Re7 33.de7 Ke8 34.Bc6 Ke7 35.Qe3 Kf6 36.Ba8 Qc4 37.Bf3 Qa2 38.Kh3 Qc4 39.Qb6 Kg5 40.Qd8 Kh6 41.Qf6 Kh7 42.Bh5 Qf1 43.Kh4 Qc4 44.g4 fg4 45.Qf5 Kh8 46.Bg4 Qd4 47.h3 Qg7 48.Qh5 Kg8 49.Qd5 Kh8 50.Qh5 Kg8 51.Qe8 Kh7 52.Bf5 Kh6 53.Qh5# 1–0. katabla – larniletter, ChessWorld.net, 2011.

3.Nf3 Nc6 4.Bb2 d5 5.e3 Bd6 6.c4 0–0 7.Nc3 a6 8.Be2 a5 9.b5 Ne7 10.Na4 Ne4 11.d3+= Nc5 12.Nc5 Bc5 13.d4 Ba7 14.c5 c6 15.0–0 cb5+= 16.Bb5 Bd7 17.Qd3 Bb5 18.Qb5 b6 19.c6 Rc8 20.Rfc1 Rc7 21.a4+/– f6 22.Ba3 Rf7 23.Ra2 Nc8 24.Rac2 Nd6 25.Bd6 Qd6 26.Nd2 f5 27.Nf3 f4 28.Ne5 Rf6 29.Rc3 Qb4? 30.Qb4+– ab4 31.Rb3 fe3 32.fe3 g5 33.Rb4 h5?! 34.Nd7 Rf5 35.Nb6 Kg7 36.Na8 Rc8 37.Rb7 Rf7 38.c7 Ra8 39.Ra7! Rc8 40.Rb7 Rff8 41.a5 Kf7 42.a6 Ke7 43.a7 Kd7 44.a8Q! Ra8 45.c8Q Kd6 46.Rc6 (46.Qc6) 1–0. kiloracer (1800) – dmills (1870), net–chess.com, 2005.

3.f4 c5 4.b5 a6 5.e3 d5 6.Nf3 Nbd7 7.Bb2 Be7 8.a4 0–0 9.Na3 c4 10.ba6 ba6 11.Be2 Nc5 12.0–0 Na4 13.Nc4 Bd7 14.Bf6 Bf6 15.Nce5 Qc7 16.Qe1 Rfc8 17.Qg3 a5 18.Nd4 Nc5 19.d3 a4 20.Ng4 Qd8 21.Bf3 Bh4 22.Qh3 a3 23.Ne5 Be7 24.f5 f6?? 25.fe6+– Be8 26.Nf7 Bf7 27.ef7 Kh8 28.Bg4 Rc7 29.Bf5 h6 30.Qh5 Nd7 31.Ne6 Qb8 32.Qg6 (32...Qg8 33.fg8Q Kg8 34.Qg7#) 1–0. Quabach,Juergen (1835) – Anger,Robert, Passau op 7th, 1999.

3.Bb2

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

3.Bb2 a5 4.b5 d5 5.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5).

3.Bb2 a6 4.g3 d5 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 d5 4.g3 a6).

3.Bb2 b6 4.e3 Bb7 5.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 b6 5.Nf3 Bb7).

3.Bb2 b6 4.Nf3 Be7 5.g3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Be7).

3.Bb2 Nc6 4.e3 Be7 5.Nf3 0–0 6.d4 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.d4 Nc6).

3.Bb2 c5

4.b5 a5 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 a5 4.b5 c5).

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

4.b5 d5 5.Nf3 a6 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 a6 6.Nf3).

3.Bb2 d5

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

4.e3 c6 5.Nf3 Bd6 6.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3 0–0 6.c4 c6).

4.e3 Bd6 5.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3).

4.e3 Be7 5.c4 c6 6.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6).

4.e3 Be7 5.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 Be7).

4.Nf3 a6 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6 5.Nf3).

4.Nf3 b6 5.d4 Bb7 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 b6 5.Nf3 Bb7 6.d4).

4.Nf3 c5 5.bc5 Bc5 6.e3 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6).

3.Bb2 Be7

4.d4 (--> 1.b4 Nf6 2.d4 e6 3.a3 Be7 4.Bb2).

4.e3 0–0 5.c4 d5 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4).

4.e3 b6 5.Nf3 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3 Be7).

4.e3 d5 5.c4 0–0 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4).

4.e3 d5 5.c4 0–0 6.Nf3 Nbd7 7.d4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.d4 Nbd7 7.c4).

4.e3 d5 5.c4 0–0 6.Nf3 Nbd7 7.d4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 Nbd7).

4.e3 d5 5.c4 c5 6.bc5 Bc5 7.Bf6 Qf6 8.d4 0–0 9.Qf3+= Qf3 10.Nf3 Bb6 11.Nbd2 Nc6 12.Bd3 Bc7 13.0–0 b6 14.cd5+/– ed5 15.Rfc1 Bb7 16.Bb5 Rac8 17.Rc6 Bc6 18.Bc6 Bh2 19.Kh2 Rc6 20.a4 (20...Rh6 21.Kg1+=). Pierred (2280) – WBK, Rated game, 2m + 0s, 2006.

3.c3 d5

4.d4 +=.

4.f3 Bd6–/+ 5.e3 0–0 6.Bd3 Nfd7 7.f4 e5 8.fe5 Ne5 9.Be2 Qg5 10.g3 Re8 11.d4 Ng4 12.Bg4 Bg4–+ 13.Qd2 Nd7 14.Ne2 Qh5 15.Ra2 Qh3 16.Ng1? Bg3! (16...Bg3 17.hg3 Qh1–+) 0–1. chsen – luciano59 (2110), internet, 2006.

3.Nc3 c5

4.bc5= Bc5 5.d4 Qa5 6.Bb2 Bb6 7.Qd2 d5 8.e3 a6 9.Rb1 Nc6 10.Bc1 Ba7 11.Be2 Qc7 12.Nf3 0–0 13.0–0 e5 14.de5+= Ne5 15.Nd4 Bb8= 16.g3 Bh3 17.Re1 Rc8 18.Bf1? Bf1–+ 19.Kf1 Qc3 20.Rb7 Qd2 21.Bd2 Ne4 22.Rd1 Nd2 23.Rd2 Nc4 24.Rd3 Ra7 25.Ra7 Ba7 26.a4 Bd4 27.Rd4 Rc5 28.e4 Kf8 29.ed5 Ke7 30.c3 Kd6 31.Kg2 Na3 32.f4? Rd5 33.Rb4 Kc6 34.h4 a5 35.Rb3 Nc4 36.Kh3 Nb6 37.Ra3 Rc5 38.Kg4 Nd5 39.h5 h6 40.Rb3 Kc7 41.f5 f6 42.Kf3 Rc3 43.Rc3 Nc3 (43...Nc3 44.Ke3 Na4–+) 0–1. pillsbury (1995) – joelag (2425), net–chess.com, 2007.

4.bc5 Bc5 5.d4 Be7 6.e4 0–0 7.Nf3 d6 8.Be2 Bd7 9.0–0 Na6 10.h3 Rc8= 11.Bb2 h6 12.Bd3 Re8 13.Qe2 Nc7 14.a4 Bf8 15.Nd1 g6 16.c4 Bg7 17.d5 ed5–/+ 18.cd5 Ncd5! 19.Qd2 Nb6 20.Ne3 Na4–+ 21.Bd4 a6 22.Rfc1 b5 23.Bc2 Qe7 24.Nd5 Nd5 25.ed5 Qf8 26.Nh4? Rc4 27.Ng6? fg6 28.Bg7 Qg7 29.Ba4 Rc1 30.Rc1 ba4 31.Rc7 Re7 32.Qa5 Qa1 33.Kh2 Qe5 34.Kg1 Qe1 35.Qe1 Re1 36.Kh2 Re7 37.Ra7 Kf7 38.Ra6 Kf6 39.Rd6 Kf5 40.Ra6 Rg7 41.Kg3 Ke5 42.Ra5 Kd6 0–1. alaamattar (2100) – alexp (2120), net–chess.com, 2005.

3.Nc3 d5

4.b5 Bd7 5.e3 Bd6 6.f4 c6 7.bc6 Nc6 8.Nb5 Be7 9.d4 a6–/+ 10.Nc3 Rc8 11.g4 h6 12.h4 Na5 13.Bd2 Nc4 14.g5 hg5 15.fg5 Ne4 16.Bc4? Nc3–+ 17.Bc3 Rc4 18.Qd2 Qc8 19.a4 Rc3 20.Kd1 Bb4 21.Ne2 Rc4 22.Qc1 b5 23.Nf4 Qc7 24.Rh2 Bd6 25.Rd2 Rh4 26.Ke2 Bf4 27.ef4 Qf4 28.Qf1 Rh2 29.Ke1 Qd2 0–1. Hopefor1 – ANZARBOND (1725), internet, 2007.

4.e3 Nbd7 5.Be2 c5 6.b5 a6 7.ba6 ba6 8.Bb2 Be7 9.Nf3 0–0 10.d4 cd4 11.Nd4 Bb7 12.0–0 Nc5 13.Nb3 Qc7 14.Bf3 Rab8–/+ 15.Rb1 Rfc8 16.Nd4 Bd6 17.g3 Ncd7 18.a4 Ne5 19.Bg2 h6 20.Re1 Bb4 21.Nde2 Nc4 22.Ba1 a5 23.Qd4 Ba6 24.Red1 Bc5 25.Qh4 Be7 26.Qf4 Rb1 27.Nb1 Bd6 28.Qh4 Be5 29.Nd4 Qd7 30.c3?? Qa4–+ (30...Qa4 31.Bf3 Qa1–+) 0–1. mic (2200) – johnb (2130), net–chess.com, 2007.

4.Nf3 (--> 3.Nf3 d5 4.Nc3).

3.c4

3.c4 (--> 1.b4 Nf6 2.c4 e6 3.a3).

3.c4 c5 4.b5 d5 5.e3 Bd6 6.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 Bd6 6.c4).

3.c4 Be7 4.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 Be7 4.c4).

3.e3 a5

4.b5 d5 5.Bb2 Nbd7 6.Nf3 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3 Nbd7).

4.b5 d5 5.Qf3 Be7 6.a4 c5 7.d3 0–0 8.h3 e5 9.e4 de4 10.de4 Qd4 11.c3 Qe4–/+ 12.Qe4 Ne4 13.Bd3 Nd6 14.Be3 e4 15.Bc4?? Nc4–+ 16.Ne2 Ne3 17.fe3 b6 18.Nd2 Bf5 19.g4 Bg6 20.h4 h5 21.gh5 Bh5 22.Ne4 Be2 23.Ke2 Nd7 24.h5 f5 25.Nf2 Nf6 26.h6 gh6 27.Rh6 Nd5 28.Rg1 Kf7 29.Kd3 c4 30.Kd2 Bf6 31.Nd1 Rad8 32.Kc2 Ke6 33.Rg7 Rf7 34.Rg2 Ne7 35.Nb2 Rd3 36.Nd3=+ cd3 37.Kd3 Nd5 38.Rg8? Rd7–+ 39.Re8 Kf7 40.Rb8 Nc3 41.Kc2 Na4 42.Rh7 Ke6 43.Rh6 Rc7 44.Kd1 Nc3 45.Ke1 Nd5 46.Ke2 Kf7 47.Rh7 Bg7 48.Rd8 Nc3 49.Kf3 Kg6 50.Rh4 Nb5 51.Rb8 Rc6 52.Rh1 Nd6 53.Rg1 Kf6 54.Rb1 b5 55.Kf4 Bh6 56.Kf3 b4 57.Ra8 Nc4 58.Ke2 Be3 59.Kd3 f4 60.Rh1 Ne5 61.Ke2 Rc2 62.Kd1 Rc1 63.Ke2 Rh1 64.Ra5 Rh2 65.Kf1 f3 66.Rb5 Rh1# 0–1. ChessNo1 – Chairboy, ChessWorld.net, 2005.

4.b5 d5 5.Nf3 (--> 3.Nf3 d5 4.e3 a5 5.b5).

3.e3 b6

4.Bb2 Be7 5.Nf3 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3 Be7).

4.c4 Bb7 5.Nf3 Be7 6.d4 d6 7.Nbd2 0–0 8.Bb2 Nbd7 9.Be2 c5 10.0–0 Rc8 11.Qc2 Qc7 12.Rad1 Rfd8 13.Qb1 Qb8 14.e4 cd4 15.Nd4 Qa8 16.f3 a6 17.Rfe1 Bf8 18.Bf1 Qa7 19.Kh1 Ba8 20.Qd3+= g6 21.Qe3 Bg7= 22.N4b3 Ng4 23.fg4 Bb2 24.a4 Qb7 25.Be2 Bg7 26.Rb1 Ne5 27.a5 ba5 28.Na5 Qe7 29.g5 Qc7 30.Rec1 Rb8 31.Rb3 Rdc8 32.Rcb1 Bc6 33.Nc6 Nc6 34.Nf3 Ne5 35.Ne5 Be5 36.Qf2 Qe7 37.Qh4 Qf8 38.Qf2 Qe7 39.Qh4 Qf8 40.Qf2 ½–½. Weng,Annegret – Elschner,Annegret, Nordrhein–Westfalen–Sachsen, 2000.

3.e3 c5

4.bc5 Bc5 5.d4 Qa5?? 6.Bd2+– (6.Bd2 Qc7 7.dc5 Qc5 8.Bb4+–) 1–0. b4_player – opponent, internet, 2008.

4.bc5= Bc5 5.d4 Bb6 6.Nf3 0–0 7.Bd3 d5 8.0–0 Nc6 9.c4 dc4 10.Bc4 Qd6 11.Nc3 Rd8 12.Bb2 a6 13.Rc1 Bc7 14.Qc2 Bd7 15.Bd3 Rac8 16.Rfd1 Bb8 17.Qb1 h5 18.Ne4 Ne4 19.Be4 Na5 20.Bh7 Kh8+= 21.Ne5 Be8 22.Bd3 b5 23.Rc8 Rc8 24.Rc1 Rc1 25.Qc1 Nc6 26.Be2 f6+= 27.Qc6 Bc6 28.Nf7 Kh7 29.Nd6 Bd6 30.Bh5 a5 31.Bg4 f5 32.Bh5 g6 33.Bf3 Bf3= 34.gf3 g5 35.h3 a4 36.Kf1 b4 37.ab4 Bb4 38.Ke2 a3 39.Ba1 Kg6 40.Kd3 Kh5 41.e4 fe4 42.fe4 Kh4 43.Kc4 Be7 44.d5 ed5 45.ed5 Kh3 46.Be5 g4 47.d6 Bh4 48.Bd4+= a2 49.d7 ½–½. Ventimiglia,Charles – Hyett,Kevin Steven, IECG, 1998.

4.bc5 Bc5 5.d4 Bb6 6.Nf3 d6 7.Be2 Nc6 8.Bb2 0–0 9.0–0 Re8 10.c4 e5 11.de5 de5 12.Qc2 e4 13.Rd1 Qe7 14.Nfd2 Ng4 15.Nf1 Qh4 16.g3 Qh3 17.Nc3 Bf5 18.Nd5 Nce5 19.Nf4 Qh6 20.h3 1–0. aspasio (2865) – manishkhanchandani (2100), net–chess.com, 2014.

4.bc5 Bc5 5.d4 Be7 6.c4 d5 7.Nf3 a6 8.Nc3 0–0 9.Bb2 Qa5 10.Qa4 Qa4 11.Na4 Nbd7 12.c5 b5 13.Nc3 Nb8 14.Na2 Nc6 15.Nb4 Bd7 16.Bd3 Na5 17.Bc3 Nc4 18.0–0 Rac8 19.Nd2 Bc6 20.Nc6 Rc6 21.a4 Rb8 22.Rfb1 Rcc8 23.ab5 ab5 24.Kf1 Kf8 25.Ke2 Nd7 26.Ra2 Ke8 27.e4 Bd8 28.ed5 ed5 29.Ra6 Bf6 30.Bf5 Rc7 31.Nc4 dc4 32.Ba5 Nc5 33.Bc7 Na6 34.Bb8 Nb8 35.Rb5 Nc6 36.Rc5 Nd4 37.Kd1 c3 38.Bd3 Kd7 39.Rc3 Kd6 40.Ra3 h6 41.Ra6 Ke7 42.Ra7 1–0. Heinola – Maekisarka, 1984.

4.bc5= Bc5 5.d4 Be7 6.c4 d6 7.Nf3 0–0 8.Nbd2 Nbd7 (8...Nc6 9.Be2=) 9.Bb2 b6 10.Bd3 Bb7 11.0–0 Rc8 12.Qe2 h6 13.Rfc1 Qc7 14.h3 (14.e4 Rfe8+=) 14...e5 15.Bb1 (15.e4 Nh5=) 15...Rfd8 16.Nh4 Re8 17.Qd3 Bf8 18.Ba2 Qd8 19.Nf5 g6 20.Ng3 Bg7 21.f3 (21.Rab1 Qe7=) 21...Qe7 22.Kf2 ed4 23.ed4 Nh7 24.Re1 Qh4 25.Rab1 f5 26.Re8 Re8 27.Ndf1 f4 (27...Ng5 28.Kg1–/+) 28.Qg6=+ fg3 (28...Ndf6 29.Kg1 fg3 30.Ng3=+) 29.Kg1 (29.Ng3 Ndf6 30.Kg1 Qg5 31.Qg5 Ng5=+) 29...Ndf6 30.Ng3=+ Qg5 31.Qg5 Ng5 32.c5 d5 33.Kf2 Ne6 34.Bc3 Nd7 35.Ne2 Bc6 36.cb6 Nb6 37.g4 Nc4 38.Rc1 Bf6 39.Kg3 Bg5 40.Ra1 Nc7 41.Nf4 Re3 (42.Bb4 Bf4 43.Kf4 Ne6 44.Kg3 Nd4–+; 41...Na3?! 42.Bd2 Nc2 43.Rc1 Nd4 44.Rc6 Nc6 45.Nd5 Bd2 46.Nc7 Kf8 47.Ne8 Ke8 48.Bc4–+) 0–1. Glowatzky,Tihomir – Kaminski,Roman, corr or02–020, 2002.

4.bc5 Bc5 5.d4 Be7 6.Nf3 Nc6 7.Bd3 0–0 8.0–0 b6 9.c4 d5 10.cd5 Qd5 11.Bb2 Bb7 12.Nc3 Qd7 13.Ne5 Qd8 14.Rc1 Ne5 15.de5 Nd7 16.Qc2 h6 17.Rfd1 Qc8 18.Qe2 Nc5 19.Ne4 Qc6 20.Qg4 Kh8 21.Nd6 Qc7?? 22.Nf7+– (22...Rf7 23.Qg6+–) 1–0. Ventimiglia,Charles – Popp,Tony, IECG, 1998.

3.e3 d5

4.Bb2 c5 5.bc5 Bc5 6.Nf3 0–0 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 0–0 7.c4).

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

4.d4 b6 5.Nf3 c5 6.bc5 bc5 7.c4 Nbd7 8.cd5 Nd5 9.Bb2 Rb8 10.Ra2 Qa5 11.Qd2 Qa4 12.Be2 cd4 13.Qd4 Qa5 14.Nbd2 Nb4 15.Bc3 Qa3 16.Ra3 Nc2 17.Kf1 Nd4 18.Ra7 Ne2 19.Ke2 Bc5 20.Ra5 0–0 21.Rha1 Bb6 22.Rb5 Bc7 23.Rb8 Bb8 24.Bb4 ½–½. Ventimiglia,Charles – Drysdale,Bryan, IECG, 1998.

4.d4 Bd6 5.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Bd6 5.d4).

4.d4 Bd6 5.Bb5 Bd7 6.Bd3 =+.

4.d4 Bd6 5.c4 c6 6.Nf3 Nbd7 7.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3 Nbd7 6.c4 c6 7.d4).

4.d4 Bd6 5.Nf3 (--> 1.b4 e6 TESTI100 2.a3 Nf6 3.Nf3 d5 4.d4 Bd6 5.e3).

4.d4 Be7 5.Nf3= Nbd7 6.c4 0–0 7.Nc3 dc4 (7...a5 8.Qa4=+) 8.Bc4 Nb6 (8...a5 9.b5=) 9.Bd3 Nbd5 10.Na4 (10.Nd5 ed5 11.0–0 Bg4=) 10...c6 (10...a5!?=) 11.e4+= Nb6 (11...Nc7 12.0–0+=) 12.0–0 Na4 (12...a5 13.Nb6 Qb6 14.Qa4+=) 13.Qa4 h6 (13...Qd6 14.e5 Qd5 15.ef6 Bf6 16.Qc2+–) 14.Qc2 (14.Bf4 Bd6 15.Ne5 Nh5 16.Nc6 bc6 17.Bd6 Qd6–+) 14...Re8 (14...a5 15.b5+=) 15.Bd2 (15.Bf4 a5+=) 15...Qb6 (15...Qd6 16.e5 Qd5 17.ef6 Bf6 18.Be4+–) 16.Rac1 Nd7 (16...Rd8 17.Bf4+/–) 17.Rfd1 Bf6 (18.Be3 Qd8+/–; 17...Rd8 18.Bf4+/–). Mack,Lienhard – Zagorski,Franck, CF.2002.0.00024, 2002.

4.Nf3 =+.

3.e3 Be7

4.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 Be7 4.e3).

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

4.Nc3 a6 5.Be2 c6 6.h4 d5 7.h5 h6 8.Bb2 e5 9.Nf3 Qd6 10.Na4= Nbd7 11.Nc5 b6 12.Nd7 Nd7 13.g4 Bb7 14.g5 hg5–/+ 15.d3 0–0–0 16.Qd2 Bf6 17.0–0–0 Rh6 18.d4 e4–+ 19.Nh2 Rdh8 20.Ng4–/+ Rh5 21.Nf6?? Rh1–+ 22.Nd7 Rd1 23.Bd1 Qd7 24.c3 Rh2 25.a4 Qh3 26.a5 b5 27.Qe2 f5 28.c4 bc4 29.b5 cb5 30.Ba3 Kd7 31.Qb2 Qh8 32.Qb4 Qe8 (better is 32...Kc8 33.Qe7 Rh6–+ (33...Rf2?! 34.Bd6 Rc2 35.Bc2=)). solidsteelpole – 2thousand6, Live Game Caissa's Web, 2006.

3.Nf3 a5

4.ba5 Ra5 5.Bb2 b6 6.g3 (6.a4 d5+=) 6...Bb7 7.Bg2 Be7 (7...Bf3 8.Bf3 b5 9.e4+=) 8.0–0 (8.c4 0–0+=) 8...0–0 (8...h5 9.c4–/+) 9.c4 d5 10.cd5 ed5 (10...Rb5 11.Be5 Nfd7 12.Nd4 Rd5 13.Bg7 Kg7 14.Bd5 Bd5 15.Nc3=) 11.d3 (11.Bf6 Bf6 12.Ra2 Ba6+=) 11...Nbd7 (11...Bc8 12.Qc1+=) 12.Nbd2 Qa8 13.Nb3 (13.Qc2 Ne8+=) 13...Ra4 (13...Ra6 14.Bh3+=) 14.Qc1 (14.Nbd4 c5 (14...Ba3? fails to 15.Nb5+–) 15.Nc2 Ng4+=) 14...c5+= 15.Nbd2 (15.Nh4 d4+=) 15...Re8 16.e3 (16.Bh3 Nf8+=) 16...Rc8 (16...c4 17.Bf6 Bf6 18.Nd4–/+) 17.Qc2 c4 18.dc4 (18.Rfb1 cd3 19.Qd3 Ba6=) 18...dc4+= Black has a new passed pawn: c4. Black has an active position. 19.Qc3 (19.Bh3 Rd8+= (worse is 19...Bf3 20.Bf6 Bf6 21.Bd7+=)) 19...Nc5 (better is 19...Rd8–/+) 20.Qe5?? another step towards the grave (better is 20.Qc2!?–/+) 20...Bf8 (better is 20...Ne6 secures the point 21.Qb5 Rc5–+) 21.Bd4?? terrible, but the game is lost in any case (better is 21.Qf5 Nce4 22.Bf6 Nf6 23.Ne1 Bg2 24.Ng2–+) 21…c3 (21...c3 22.Bc3 Ncd7–+) 0–1. Szemes,Tibor – Szarvas,Zoltan (2170), HUN–chT2 Asztalos, 2003. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5)

4.b5 b6 5.c4 Bb7 6.Nc3 d5 7.d4 Be7 8.Na4 Ne4 9.Qc2 0–0 10.c5 bc5 11.Nc5 Qc8 12.Rb1 Nd7 13.Nb7 Qb7 14.e3 f5 15.Bb2 f4 16.Bd3 fe3 17.fe3 Ndf6 18.Ne5 Bd6 19.Nc6 Qc8 20.a4 Qe8 21.Qe2 Qg6 22.Rc1 Ng4 23.h3 Ngf2 24.Rg1 Qg3 25.Be4 Ne4 26.Kd1 Rf2 0–1. Bowers – Ponomarev, Colorado 1992.

4.b5 b6 5.e3 Bb7 6.d4 Be7 7.Nbd2 0–0 8.Bd3 c5 9.c3 d6 10.0–0 Nbd7 11.Bb2 e5 12.Bf5 g6 13.Bd7 Nd7 14.de5 de5 15.e4 Qc7 16.Qe2 Rfd8 17.Nc4 Bf6 18.Rfd1 Nf8 19.Ne1 Ne6 20.g3 Ng5 21.f3 Bg7 22.Rd8 Rd8 23.Rd1 f5 (23...Bc8 24.Rd8 Qd8 25.Qd3=) 24.Bc1 (24.Rd8!? Qd8 25.ef5+=) 24...Nf7 25.Rd8 Qd8 26.ef5 gf5 27.Qd3 Qd3 28.Nd3 e4 29.fe4 fe4 30.Nf4 Bc3 31.Nb6 Ne5 32.Be3 (32.Kf1 Bd4=) 32...c4 (32...Bd4 33.Ng2 Nf3 34.Kh1 Ne1=) 33.Na4= Nf3 34.Kf2 Be5 35.Nc5 Bc8 (35...Ba8!? 36.h3 Bd6=) 36.Nd5 (36.Ne4?! Nh2 37.b6 Ng4 38.Kf3 Bb7 39.Kg4 Be4=) 36...Kf7 (36...Bh3 37.Ne7 Kf7 38.Nc6+/–) 37.b6 (37.Nb6!? Be6 38.Ne4 Nh2 39.Ng5 Ke7 40.Ne6 Ng4 41.Kf3 Ne3 42.Ke3 Ke6 43.Nc4 Bg3 44.Na5+–) 37...Nh2+= 38.Bf4?? (better is 38.b7 Ng4 39.Ke2 Bb7 40.Nb7 Bg3 41.Na5+/–) 38...Bd4–+ 39.Kg2 Bc5 40.Kh2 Ba3 (40...Ke6!? 41.Nc7 Kd7 42.Bd2–+) 41.Be3? Bb2 0–1. Ferran Biosca,Robert (2175) – Collado Galarza,Josep (2280), Catalunya–chT, 1996. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5)

4.b5 b6 5.e3 Bb7 6.Be2 Be7 7.0–0 0–0 8.Bb2 c5 9.d4 (9.bc6 Nc6 10.c4 d5=) 9...d5 10.c4 Nbd7 11.Nc3 Rc8 12.Ne5 (12.cd5 Nd5 13.Nd5 Bd5=) 12...dc4 (12...cd4 13.ed4 Ne5 14.de5+=) 13.Nc4= Nd5 14.Nd5 Bd5 15.Rc1 cd4 16.Qd4 (16.Bd4 Bc5=) 16...Bf6+= 17.Qd2 Bb2 18.Qb2 Rc5 19.Nd2 Qg5 20.e4 Ba8 21.Qd4 Rc1 22.Rc1 Nc5 23.Qe3 Qe3 24.fe3 Ne4 (24...Be4? 25.Rc5 bc5 26.Ne4+–) 25.Ne4 (25.Nc4 Rc8 26.Re1 Rb8+=) 25...Be4+= 26.Bf3 Bd3 27.a4 g6 28.Rc6 Rb8 29.e4 e5 30.Kf2 Bb1 31.Ke3 h5 32.Be2 Ba2 33.Bc4 Bc4 34.Rc4 Rb7 35.Rc6 Kf8 36.Rc8 Ke7 37.Rc6 Kd7 (37...f6 38.Ke2+=) 38.Kd3= Ke7 39.Kc4 (39.Ke3 Rb8+=) 39...f6 40.Kc3 g5 41.Kc4 h4 (41...g4 42.g3=) 42.h3= Rb8 43.Rc7 Ke6 44.Rc6 Ke7 45.Rc7 ½–½. Izquierdo,Daniel – Muniz,Rafael, Uruguayan ch Semifinal, 2010. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5)

4.b5 b6 5.e3 d5 6.Bb2 c5 7.c4 Bd6 8.d4 cd4 9.ed4 0–0 10.Nbd2 Bb7 11.Be2 Nbd7 12.0–0 Rc8 13.Re1 Ne4 14.Ne4 de4 15.Nd2 Qg5 16.Bf1 Nf6 17.h3? (better is 17.g3!?+=) 17...Bf4–+ 18.Re2 e3 19.fe3 Be3 20.Kh1 Qg3 21.Re3 Qe3 22.Kh2 Qf4 23.Kg1 Rfd8 24.Qe2 (24.Nf3 Bf3 25.Qf3 Rd4 26.Qf4 Rf4–+) 24...Rd4 25.Bd4 0–1. saladars (1785) – amstersofia (2160), gameknot.com, 2015. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5)

4.b5 Be7 5.e3 0–0 6.Bb2 d5 7.c4 Nbd7 8.d4 c6 9.Nc3= dc4 10.Bc4+= Nb6 11.Bd3 cb5 12.Nb5 Bd7 13.0–0 a4 14.Ne5 Bb5 15.Bb5 Qd5 16.Bd3 Rac8 17.Rb1 Rfd8 18.f4 Rc7 19.Qe1 Qd6 20.f5 Nbd7 21.fe6 fe6 22.Nd7 Qd7 23.Rf3 Rf8 24.Qe2 Qc6 25.e4 e5 26.de5 Nd7 27.Rbf1 Qe6 28.Rf8 Bf8 29.Kh1 Rc8 30.Bb5 Nb6 31.Bd4 Bc5 32.Bc5 Rc5 33.Rf8! Kf8 34.Qf2 Kg8 35.Qc5 h6 36.h3 h5 37.Qc7 Qh6 38.e6 Qe6 39.e5 h4 40.Qb7 Kh7 41.Bd3 Kg8 42.Qb8 Kf7 43.Qc7 Kg8 44.Bb5 g6 45.Bc6 Nc4 46.Qd8 Kg7 47.Bd5 Qe5 48.Qg8 Kf6 49.Qf8 (49.Qf8 Kg5 50.Bc4 Qa1 51.Bf1+–; 49.Bc4?! Qa1 50.Kh2 Qe5 51.Kg1 Qe3 52.Kf1 Qc1 53.Ke2 Qc2 54.Ke3 Qc1 55.Ke4 Qc2 56.Bd3 Qg2 57.Kd4 Qb2 58.Ke3 Qe5 59.Kd2 Qh2 60.Kc1 Qg1 61.Kb2 Qd4 62.Kc2 Qf2 63.Kc3 Qc5 64.Kd2 Qf2 65.Be2 Qf4 66.Kd1 Qd6 67.Kc2 Qa3 68.Qh8 Kg5 69.Qd8 Kh6 70.Qh4 Kg7 71.Qd4 Kh7+–) 1–0. Solis,Jose Alberto (2460) – Valverde,Mario (2055), CiF, 2007.

4.b5 Be7 5.e3 0–0 6.Be2 c6 7.Nc3 cb5 8.Nb5 d6 9.Bb2 Bd7 10.0–0 Na6 11.Rb1 Nc7 12.Bf6 gf6 13.a4 Nd5 14.c4 Nb6 15.Qb3 Nc8 16.d4 Na7 17.Nc3 Nc6 18.Ne1 Rb8 19.Nd3 e5 20.d5 Na7 21.f4 Qc7 22.Qb6 Qb6 23.Rb6 Nc8 24.Rb2 Rd8 25.e4 ef4 26.Rf4 Bf8 27.Kf1 Ne7 28.Rb6 Nc8 29.Rb3 Bh6 30.Rf6 Bg7 31.Rf4 Be8 32.c5 dc5 33.Nc5 Bd4 34.Nd3 Nd6 35.e5 Nc4 36.Ke1 Ne3 37.Rd4 Nc2 38.Kd2 Nd4 39.Rb6 Ne2 40.Ke2 Rdc8 41.Kd2 Rc4 42.Nb2 Rc5 43.g4 Kg7 44.h3 h6 45.Nd3 Rc4 46.Ne2 h5 47.gh5 Ra4 48.Ke3 Rc4 49.Ng3 a4 50.Nf5 Kg8 51.Nd6 a3 52.Rb1 Ra4 53.Nc5 Rh4 54.Nce4 Rh3 55.Kf4 Kf8 56.Nf6 a2 57.Rg1 Ke7 58.Nf5 Kd8 59.d6 a1Q 60.Ra1 Rc8 61.Ra7 Rb8 62.h6 Bd7 63.h7 Rh2 64.Ra2 Rh7 65.Nh7 Rc8 66.Kg5 Be6 67.Rh2 Kd7 68.Ne7 Re8 69.Rb2 Re7 70.Rb7 Kc6 1–0. COMP – COMP, 2001.

4.b5 Be7 5.e3 0–0 6.Be2 c6 7.Nc3 d5 8.d4 cb5 9.Nb5 Nc6 10.c4 dc4 11.Bc4 Nd7 12.Qc2 Nb6 13.Bd3 f5 14.Rb1 Bd7 15.Nc3 Rc8 16.Qb3 Na8 17.0–0 Rc7 18.Bb2 b6 19.Nb5 Rb7 20.Bc4 Qc8 21.Rfc1 Kh8 22.d5 ed5 23.Bd5 Bc5 24.Ng5 f4 25.Qd3 Bf5 26.e4 Bg4 27.Rc5 bc5 28.Nd6 Qc7 29.Ndf7 Rf7 30.Nf7 Qf7 31.Bf7 Rf7 32.Qa6 Na7 33.f3 Kg8 1–0. COMP – COMP, 2001.

4.b5 g6 5.e3 Bg7 6.Bb2 0–0 7.Bf6 Qf6 8.Nc3 d5 9.d4 Nd7 10.Be2 c5 11.Qd2 b6 12.Rd1 cd4 13.Qd4 Qe7–/+ 14.Qd3 Qa3 15.Nd4? Bb7 16.0–0? Ne5 17.Ra1? Qa1! 18.Ra1 Nd3 19.Bd3 Rfc8 20.Nce2 e5 21.Nc6 Bc6 22.e4 Bb7 23.f3 f5 24.ef5 e4 25.fe4 Ba1 26.Kf2 de4 (27.Be4 Be4 28.fg6 hg6–+) 0–1. Rutledge – Manninen, corr 3GMM–20, 1996.

4.b5 c5

5.Bb2 b6 6.e3 Bb7 7.c4 d6 8.d4 Nbd7 9.Nbd2 Rc8 10.Bd3 Be7 11.0–0 0–0 12.Qe2 Qc7 13.Rac1 Rfe8 14.Ne1 Bf8 15.f4 cd4 16.ed4 e5! 17.fe5 de5 18.d5 Qd6 19.Bc2?! (19.Bb1!) 19...g6 20.Bb1 Bh6 21.Rc3 Nh5 22.g3 Nc5 23.Ne4 Qe7 24.Nc5 Qc5 25.Kg2 e4?! 26.Nc2 Bg7 27.Ne3!? Qd6?! 28.Rcc1 Bb2 29.Qb2 f5 30.Qd4 Rf8 31.Kh1 Ng7 32.Rcd1 Rc7 33.Rd2 Rfc8? (33...Rcf7) 34.Rdf2 (34.Be4!?) 34...Rd7 35.Be4!+– fe4 36.Ng4 Nf5 37.Nf6 Kf7 38.Nd7 Qd7 39.g4 e3 40.Qe3 Rc4 41.Rf5 gf5 42.Rf5 Qf5 43.gf5 Bd5 44.Kg1 Kf6 45.Qb6 1–0. Santasiere – Pinkus, New York 1939.

5.Bb2 b6 6.e3 Bb7 7.c4 Be7 8.Be2 0–0 9.d3 d6 10.Nbd2 Nbd7 11.0–0 Qc7 12.Qc2 Rad8 13.Rfe1 Rfe8 14.Rad1 Nf8 15.Nf1 Ng6 16.Ng3 Nd7 17.Nh5 Nde5 18.Nd2+= f6 19.d4 Nf7 20.Nf4 Nf4 21.ef4 cd4 22.Bd3 e5 23.Bh7 Kf8 24.Bg6 Rc8 25.Bf5 Rb8 26.Qd3+/– d5 27.fe5 fe5 28.cd5 Bd5 29.Rc1 Qb7 30.Ne4 Nd6 31.Nd6 Bd6 32.Qh3 Qf7 33.f4 Be6 34.fe5+/– Bf5 35.Qh8 Ke7 36.Qh4+– Kd7 37.Qd4 (37.Qd4 Qe6 38.Rc6+–) 1–0. Taulien,Hans_Juergen (2225) – Langschmidt,Dirk (1730), RSX10D – XMAS–1, 2003.

5.c4 b6 6.Bb2 Bb7 7.e3 Be7 8.Be2 0–0 9.Nc3 Ne4 (9...d5!?= should be considered) 10.Ne4+= Be4 11.d3 Bg6 12.Ne5 Bf6 13.Bf3 Ra7 14.Ng6 Bb2 15.Nf8 Ba1 16.Qa1 Qf8 17.g4 d6 18.Be4 (18.h4 f5=) 18...Nd7 (18...Qd8 19.Bg2=) 19.f4 g6 Controls f5 (19...Qd8 20.g5=) 20.g5 White gets more space 20...Qg7 21.Qg7 Kg7 22.h4 Nf8 23.h5 Rd7 24.Bc6 Rd8 25.Bf3 d5 The typical lever 26.h6 Kg8 27.Ke2 dc4 28.dc4 f6 Attacks the pawn chain 29.Bc6 A classical outpost 29...Kf7 30.Rd1 Rd1 31.Kd1 e5 32.Ke2 (32.fe5!? is worthy of consideration 32...fe5 33.Bd5 Ne6 34.e4=) 32...ef4–/+ 33.ef4 fg5 34.fg5 Ke6 35.Be4 Ke5 36.Ke3 Ne6 37.Bg6 Ng5 38.Bc2 Nf7 39.Bh7 Nh6 40.a4 Ng4–/+ 41.Kd3 Kf4 42.Bg8? Ne5–+ 43.Kc3 Ke3 44.Be6 Nf3 45.Bf5 Nd4 46.Bg6 Ne2 47.Kc2 Kd4 48.Bf7 Nc3 49.Kb3 Ne4 50.Bg8 Nd2 51.Kc2 Nc4 52.Kb3 Ne3 53.Bh7 c4 54.Kb2 c3 55.Kb3 c2! 56.Kb2 Kc4 57.Kc1 Kb4 58.Bg8 Ka4 59.Bc4 Nc4 (59...Nc4 60.Kc2 Kb5 61.Kb3 Kc5 62.Ka2 b5 63.Kb1 b4 64.Kc2 a4 65.Kb1 b3 66.Ka1 a3 67.Kb1 Kd4 68.Ka1 Kd3 69.Kb1 Nd2 70.Ka1 b2 71.Ka2 b1Q 72.Ka3 Qb3) 0–1. Quast,Michael (1720) – Baumert,Christian (2060), Berlin op, 2002. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 c5)

5.e3 b6 6.Bb2 Bb7 7.c4 Be7 8.Bd3 d6 9.Nc3 Nbd7 10.Qc2 Qc7 11.Ne2 0–0–0 12.h4 Ne5 13.Ne5 de5 14.f3 Qd7 15.Nc1 Qd6 16.e4 Nh5 17.Bc3 f5 18.g4 Ng3 19.Rh3 fe4 20.Be4–+ Be4 21.fe4 Rhf8 22.Rg3 Bh4 23.Ne2 Rf3 24.Qb2 Bg3 25.Ng3 Rg3 26.Be5 Qd3 27.Bg3 Qg3 28.Kd1 Qg4 29.Kc1 Qe4 30.Qg7 Qe1 (30...Qe1 31.Kb2 Qd2 32.Kb1 Qd3 33.Ka2 Qc4 34.Kb2 Rd2 35.Kb1 Qc2) 0–1. Stapleton,Ian – Steiner,Lajos, AUS–ch Adelaide, 1947.

5.e3 b6 6.Bb2 Bb7 7.d4 cd4 8.Bd4 d6 9.Nbd2 (9.Be2 e5 10.Bb2 Be7 11.0–0 0–0 12.c4 Nbd7 13.Nbd2 Qc7 14.Qc2=; 9.Bc4 Be7 10.0–0 0–0 11.Nbd2 Qc7 12.Qe2 Nbd7 13.Rfd1 e5 14.Bb2+=; 9.c4 Nbd7 10.Be2 Qc7 11.0–0 Rc8 12.Nbd2 Be7 13.Rc1 0–0 14.Ng5=) 9...Nbd7 (9...e5 10.Bb2 Be7 11.Be2 0–0 12.0–0 Nbd7 13.c4 Qc7 14.Qc2=) 10.Be2 Qc7 (10...Be7 11.0–0 0–0 12.c4 Qc7 13.Rc1 e5 14.Bb2=) 11.0–0 Be7 12.c4 0–0 13.Bb2 (13.Qc2 Rac8 14.Rfd1=) 13...Rfe8 (13...Rac8 14.Nd4=) 14.Nd4 (14.Qc2=) 14...e5 15.Nf5 Bf8 16.Rc1 Rac8 17.Re1 Nc5 18.Bf1 g6 19.Ng3 Nfd7 20.Qc2 f5 21.Ne2 Nf6 22.Nc3 h5 23.Red1 h4 24.h3 Qf7 25.Na4 Na4 26.Qa4 Nd7 27.c5 Nc5 28.Qh4 Bd5 29.Nf3 Ne4 30.Rc8 Rc8 31.Ng5 Be7 32.Nf7 Bh4 33.Nd6 Bf2 34.Kh2 Bg3 35.Kg1 Bf2 36.Kh2 Bg3 37.Kg1 Nd6 38.Rd5 Nc4 39.Bc1 e4 40.Rd1 Kf7 41.Be2 Ke6 42.Kf1 Bd6 43.Kf2 a4 44.g4 Be7 45.gf5 gf5 46.Rd4 Na5 47.Re4 Kf7 48.Bh5 Kf8 49.Ra4 Rc1 50.Rf4 Ba3 51.Rf5 Ke7 52.Be2 Bc5 53.h4 Rc3 54.Rf3 Nc4 55.h5 Ne3–+ 56.Kg3 Nf5 57.Kg4 Rf3 58.Bf3 Nd4 59.Bd1 Nb5 60.Kf5 Kf7 61.Ba4 Nd6 62.Ke5 Kg7 63.Bd1 Kh6 64.Be2 Ne8 65.Kd5 Nf6 66.Kc6 Nh5 67.Ba6 Kg5 68.Kd5 Kf4 0–1. Jagodzinski,P – Sergeev,Vladimir, Guben GER, Open, 2012. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 c5)

5.e3 d5 6.Bb2 b6 7.Be2 Be7 8.0–0 0–0 9.Ne5 Nbd7 10.Nc6 Qe8 11.f4 Bd6 12.Be5+= Ne4 13.d3+/– Be5 14.fe5 Ng5 15.h4 Bb7 16.hg5 Bc6 17.bc6 Ne5 18.c7 Qd7 19.d4 cd4 20.ed4 Ng6 21.Bd3 Qc7 22.Qf3 Rac8 23.a4 Rfe8 24.Na3 Qc3?? 25.Nb5+– Qc6 26.Qf7 Kh8 27.Bg6 hg6 28.Rf4 (28...Qb5 29.Rh4#) 1–0. market (2235) – lbyer (2045), GameColony.com, 2003.

5.e3 d5 6.Bb2 Bd6 7.c4 Nbd7 8.d4 Qc7 9.Nbd2 b6 10.Bd3 Bb7 11.Rc1 0–0 12.0–0 Rac8 13.cd5 ed5 14.dc5 bc5 15.Bf5 Rfe8 16.Rc2 Ne5 17.Qa1 Nf3 18.Nf3 d4 19.Bd4 Bf3 20.Bf6 Bh2 21.Kh1 Be5 22.Qb1 Qb7 23.Rc4 Bg2 24.Kg1 Bf6 25.Bh7 Kh8 26.Rfc1 g6 27.Rf4 Bh3 28.f3 Bg5 29.Qb2 Kh7 30.Qh2 Bf4 0–1. Santasiere – Hesse, South Fallsburg 1948.

5.e3 d5 6.Bb2 Bd6 7.Be5 =.

5.e3 d5 6.c4 b6 7.Bb2 Bb7 8.d4 Nbd7 9.Nbd2 Be7 10.Be2 0–0 11.0–0 Rc8 12.Ne5 cd4 13.ed4 Ne5 14.de5 Nd7 15.Bf3 Nc5 16.Qe2 Bg5 17.Rad1 Na4 18.Ba1 Qe7 19.cd5 ed5 20.Nb1 Rfd8 21.Rfe1 Nc5 22.Bd4 Na4 23.e6 f6 24.g3 Rd6 25.Bh5 Rc4 26.Bf7 Kh8 27.h4 Bh6 28.Qh5 Rc2 29.g4 Rc4 30.g5 fg5 31.Qh6 Rd4 32.Qg5 Qg5 33.hg5 Rg4 34.Kf1 d4 35.e7 Bg2 36.Ke2 Re4 37.Kd2 Re7 38.Re7 g6 39.Bb3 1–0. Krupa – Hansen, Copenhagen 1993.

4.b5 c6

5.Nc3 cb5 6.Nb5 d5 7.Bb2 Be7 8.Be5 Nc6? (better is 8...Na6=) 9.Nc7+– Kf8 10.Na8 Ne5 (10...Bd7 11.Bf4+–) 11.Ne5 Bd7 12.Nd7 Nd7 13.e3 Qa8 14.Bb5 Nc5 (14...Nf6 15.d4+–) 15.d4 Ne4 16.0–0 (16.c4 Nd6+–) 16...Nc3 17.Qd3 Nb5 (better is 17...Qc8!?+–) 18.Qb5 Bd8 (18...Bd6 19.Rfc1 g6 20.c4 dc4 21.Rc4+–) 19.Rab1 b6 20.Rfc1 g6 21.c4 dc4 22.Rc4 Kg7 (22...Qe4 23.Rbc1+–) 23.Rc6 (23.a4 Qe4+–) 23...Qb7 24.Rd1 h5 (24...Qe7 25.Qe5 Qf6 26.Qf6 Kf6 27.d5+–) 25.d5 ed5 26.Qd5 Bf6 27.Qf3 Bg5 (27...Qe7+–) 28.Rg6!! (28...Kg6 29.Qb7+–) 1–0. kamret (2165) – antek (1765), GameColony.com, 2003.

5.Nc3 Qb6 6.Rb1 Bc5 (6...c5 7.e4+=) 7.d4+/– Bd6 (7...Be7 8.e4+=) 8.e4 Ng4 (8...Be7 9.e5 Ng8 10.Bd3+/–) 9.e5+– Be7 10.h3 Nh6 11.Bh6 gh6 12.bc6 Qc6 13.Rb3 Rg8 14.d5 ed5 15.Nd5 (< 15.Qd5 a4 16.Qc6 dc6–/+ (< 16...bc6 17.Na4 Kd8 18.Nb6 Ra3 19.Nc8 Rb3 20.cb3 Kc8 21.g3+/–)) 15...Na6? (15...Kf8+–) 16.Bb5 (16.Ne7?! Ke7 17.Nd4 Qc5+–) 16...Qg6 17.Rc3 (17.Nb6 Bb4 18.Rb4 Nb4 19.Na8 Nc2 20.Kd2 Na3+–) 17...Qg2 (17...Qe4 18.Re3 Qg6 19.Nf6 Kf8 20.Ng8 Kg8+–) 18.Rh2 Qg6 19.Rc8! Rc8 20.Ne7 Ke7 21.Qd7 Kf8 22.Qc8 Kg7 23.Qb7 Nc5 24.Qe7 Qe4 (24...Rc8 25.Rh1 Qe4 26.Be2 Nd3 27.Kf1+–) 25.Be2 Qd5 (25...Ne6 26.Rg2 Kh8 27.Qf6 Ng7 28.Qf7 h5+–) 26.Rg2 (26...Kh8 27.Qf6 Rg7 28.Qg7#) 1–0. kamret (2155) – rhein33 (1830), GameColony.com, 2003.

5.Nc3 d5 6.e3 =.

5.c4 d5 6.e3 Nbd7 7.Bb2 Be7 8.Bf6 Bf6 9.d4 0–0 10.Nbd2 e5 11.de5 Ne5 12.Ne5 Be5 13.Ra2 d4 14.Nf3 Bg4 15.Be2 Bf3 16.Bf3 de3 17.Qd8 ef2 18.Kf2 Rad8 19.bc6 bc6 20.Bc6 Rd4 21.Bd5 Rf4 22.Ke3 Re8 23.Kd3 Rd4 24.Kc2 Rf4 25.g3?? Rf2–+ 26.Kb1 Rb8 (26...Rb8 27.Kc1 Ra2–+) 0–1. ludice (1790) – syllwestr (1805), kurnik, 2011.

5.e3 cb5 6.Bb5 b6 (6...Nc6 7.0–0=) 7.0–0 Be7 8.c4 0–0 9.d4 Bb7 10.Nbd2 d6 (10...Qc7 11.Bb2+=) 11.Bb2+= Qc7 12.Rc1 Nbd7 13.Qe2 Rac8 14.Rfd1 Rfd8 15.h3 e5 16.Nf1 e4 17.N3d2 d5 18.cd5 Qd6 19.Ng3 (19.Bc6 Bc6 20.dc6 Rc6+/–) 19...Qd5+= 20.Bc4 Qg5 21.Ba6 Rc1 22.Rc1 Bd5 23.Qf1 (23.Qb5 h6+=) 23...Bd6 24.Ne2 Be6 (24...Nb8 25.Nc4 Bc4 26.Bc4+/–) 25.Nc3+/– Bf5 26.Nc4 Bb8 27.g3 (better is 27.Kh1!?+/–) 27...Qh5= 28.h4 (28.Kh2 Ng4 29.Kg1 Ngf6=) 28...g5+= 29.Ne2 (29.Qd1 Ng4 30.f4 gh4 31.Qe1–+) 29...gh4–+ 30.Ne5 (30.gh4!? Qh4 31.Ng3 Bh3–+) 30...Ne5 31.de5 Ng4 32.gh4 Qh4 33.Qg2 h5 (33...Bg6 34.e6 fe6 35.Bc4 Bh2 36.Kf1–/+) 34.Ng3 (34.Bd4 Kh7 35.Ng3 Bg6 36.Bb6 Rg8–/+) 34...Qg5 (34...Bg6 35.Be2–/+) 35.Nf5 (35.Be2!? Kf8 36.Ne4 Be4 37.Qe4 Be5 38.Be5 Ne5 39.Kf1+=) 35...Qf5–/+ 36.Bb7 (36.Be2 Rd2 37.Bg4 hg4–/+ (worse is 37...Qg4 38.Qg4 hg4 39.Rc8 Kh7 40.Bd4+–)) 36...Be5 (36...Rd2!? 37.Ba1 Rf2 (37...Be5 38.Bc8 Qf2 39.Qf2 Nf2 40.Be5–/+; 37...Qf2 38.Qf2 Nf2 39.Rc8 Kh7 40.Bd4+/–) 38.Qe4 Qg5–+ (38...Be5?! 39.Qf5 Rf5 40.Bd4–+)) 37.Be4–/+ Bh2 (37...Qe6 38.Be5 Qe5–/+) 38.Kh1?? (better is 38.Qh2 Qe4 39.Qh5=) 38...Qe4!–+ 39.Qe4 Nf2 40.Kh2 Ne4 41.Bd4 b5 42.Kg2 a4 43.Kf3 Nd2 44.Kf4 Nb3 45.Rg1 Kf8 (45...Kh7 46.Bc3 Rc8 47.Be5–/+) 46.Bf6 (46.Bc3 Ke8 47.Rg5 Rc8 48.Re5 Kd7 49.Rd5 Kc6 50.Rh5 Kb6+=) 46...Rd2–/+ 47.Kf3 (47.Bc3 Rf2 48.Kg5 Nd2 49.Bb4 Kg7 50.Bc3 f6 51.Kh5 Kf7 52.Bd2 Rd2–+) 47...Rd6 (47...Rd5!? 48.Kf4 Nc5–/+) 48.Bc3 Rg6 49.Rh1 Rh6 50.Rh4 Ke8 51.Kf4 f6 (51...Nc5!?–/+) 52.Kf5+= Kf7 53.Bb4 Rh8 54.Bc3 Rh6 55.Bb4 Nc1 (55...Kg7 56.Re4+=) 56.Re4= Rh7 57.Re7 Kg8 58.Re8 Kg7 59.e4 Nd3 60.Re7 Kg8 61.Re8 ½–½. Popper,Tomas (1960) – Blahynka,Martin (2235), Brno CZE, 5th Open, 2014. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5)

5.e3 d5 6.Bb2 cb5 7.Bb5 Bd7 8.c4 dc4 9.Bc4 b5 10.Be2 b4 11.0–0 Nc6 12.d3 Be7 13.ab4 ab4 14.Nbd2 0–0 15.Qc2 Qb6 16.Nc4 Qb7 17.Nfd2 Ra1 18.Ra1 Ra8 19.Ra8 Qa8 20.Bf3 Qa7 21.h3 Nd5 22.Ne4 Qb8 23.Ncd2 Qb6 24.Nb3 Na5 25.Nec5 Be8 26.Bd4 Nb3 27.Nb3 Qb8 28.Qb2 Nf6 29.Nd2 Qb5 30.Nc4 Kf8 31.Be5 Bc6 32.Be2 Qd5 33.e4 Qd8 34.Bd4 Qb8 35.Ne5 Be8 36.Ng4 Qd8 37.Ne3 Bb5 38.Bf1 Qa5 39.Nc4 Bc4 40.dc4 Ne4 41.Bg7 Ke8 42.Bd3 f5 43.Bh6 Bf6 44.Qe2 Qa1 45.Kh2 Qe5 46.g3 Qd4 (better is 46...b3!? 47.Be3 Kf8=) 47.Be3+/– Qc3 48.c5 (better is 48.f3 Nd6 49.c5+–) 48...Kd7?? (better is 48...Bd4 49.Be4 fe4 50.Qb5 Kf8 51.Bh6 Bg7 52.Qb8 Kf7 53.Qb7 Kg6 54.Bg7 Qc5+/–) 49.Bb5+– Kc7 50.Qh5 (better is 50.Qa2 Nc5 51.Qa7 Kc8 52.Bc5 Qg3 53.fg3 f4 54.Qa6 Kc7 55.Bd6 Kd8 56.Qa8) 50...Qe1?? (50...Nc5 51.Qe8 Be5 52.Qc6 Kb8 53.Qb6 Kc8 54.Bc5 Bg3 55.Kg2 Qg7 56.Qe6 Kb8 57.fg3 Qb2 58.Be2 Qe2 59.Qe2 Kc7 60.Bb4 Kb6 61.Qf2 Kb7 62.Qf5 Kc7 63.Qh7 Kb6 64.g4 Kb5 65.Qb7 Kc4 66.Qe4 Kb5 67.g5 Kb6 68.Qd4 Kb7 69.Qd7 Ka6 70.Bc5 Ka5 71.Qb7 Ka4 72.Qb4) 51.Qf7 Kc8 1–0. Vorobjov,Pavel (2255) – Kass,Viktor (1910), Polva op, 2008. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 c6)

5.e3 d5 6.Bb2 Be7 7.Nc3 Nbd7 8.d4 0–0 9.Bd3 Qc7 10.0–0 b6 11.bc6 Qc6 12.Bb5 Qc7 13.Rc1 Bb7 14.Ne2 Ne4 15.c4 Qd6 16.Bd7 Qd7 17.Ne5 Qd8 18.cd5 ed5 19.Nf4 b5 20.f3 Nf6 21.Qb3 a4 22.Qa2 Qb6 23.Rc2 Rfc8 24.Rfc1 b4 25.Rc8 Rc8 26.Rc8 Bc8 27.Nd5 Nd5 28.Qd5 Qe6 29.Qe6 Be6 30.Nc6 Bg5 31.e4 Be3 32.Kh1 ba3 33.Ba3 Bd7 34.Ne7 Kh8 35.d5 Bd4 36.f4 f6 37.h4 g6 38.Nc6 Bc3 39.e5 fe5 40.fe5 1–0. Coltharp – Bouma, email 4AMM–07 1997.

5.e3 d5 6.c4 Nbd7 (6...dc4 7.Bc4 Bd7 8.Nc3=) 7.Nc3 Nb6 8.d3 (8.bc6 dc4 9.Na4 Rb8=) 8...Be7 (8...cb5 9.Nb5 Bd7 10.Bd2+=) 9.Be2 (9.cd5 cd5 10.h4 Ng4+=) 9...0–0 (9...Bd7 10.cd5 ed5 11.bc6 bc6 12.e4=) 10.0–0 (10.cd5 ed5 11.bc6 bc6=) 10...Qc7 11.Bb2 Rd8 (11...Bd7 12.Rc1=) 12.Qb3 (12.cd5 ed5 13.Na4 Na4 (worse is 13...cb5 14.Be5 Bd6 15.Bf6 gf6 16.Rc1+/–) 14.Qa4 c5=) 12...c5 (12...Ne8 13.h3=) 13.Na4 Na4 14.Qa4 (14.Be5 Qb6 15.Qa4 Ne8=) 14...Nd7 15.Rac1 Bf6 (15...b6 16.cd5 ed5 17.Qb3=) 16.d4 (16.Bf6 Nf6 17.d4 cd4 18.Nd4 dc4 19.Bc4 Qe7=) 16...Nb6 The black knight is safe in front of b5 (16...dc4 17.Bc4 b6 18.Qb3=) 17.Qc2 dc4 18.dc5 Qc5 19.Bf6 gf6 20.Qb2 (20.Nd2!?= must be considered) 20...e5–/+ 21.Nd2 Bd7 (21...Be6!?–/+) 22.Nc4 (22.Ne4!? Qe7 23.Bc4+=) 22...Qb5 23.Qb5 Bb5 24.Nb6 Be2 25.Rfe1 Ra6 26.Na4 (26.Rb1 Rd2+=) 26...Rc6 (26...b5!?+=) 27.Rc6= bc6 Black has a new passed pawn: c6. 28.Nc3 Ba6 29.Ne4 f5 30.Nc5 Bc4 31.Rc1 Rd5 32.Na4 Bb5 33.Nc3 Rc5 34.f3 Rc4 35.Kf2 Kg7 36.Ke1 f4 Black wins space 37.e4 Kg6 38.Ne2 Rc1 39.Nc1 A minor pieces endgame occured 39...Bc4 40.Kf2 f5–/+ 41.g3 fe4 42.fe4 Kg5 43.Kf3 a4 44.h4 Kh5–+ 45.gf4 ef4 46.Kf4 Kh4 47.Kf5 Kg3–+ 48.e5 h5 49.e6 c5 50.e7= Bb5 51.Ne2 Kf2 52.Nc3+= Bd7 53.Kg5 c4 54.Kh5 Ke3+= 55.Kg6 Kd2 56.Ne4 Ke3 57.Nf6 Bb5 58.Kf7 c3–+ 59.Nd5?? Kd2 (59...Kd2 60.Nb4 c2–+) 0–1. Derezuk,Alexandra – Kosov,Ivan, Russia CC op, 2002. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 c6)

4.b5 d5

5.a4 Nbd7 6.Bb2 Bd6 7.e3 0–0 8.Be2 Re8 9.0–0 e5 10.c4 e4 11.Nd4 dc4 12.Bc4 Ne5 13.Be2 c5 14.bc6 bc6 15.f4 ef3 16.Nf3 Nf3 17.Bf3 Rb8 18.Qc2 (18.Bf6!? Qf6 19.Nc3+=) 18...Ba6–/+ 19.Rf2? (better is 19.Rc1!?–/+) 19...Bd3!–+ 20.Bf6?? (20.Qd3 Rb2 Deflection) 20...Bh2! (20...Bc2?! 21.Bd8 Red8 22.Nc3+=; 20...Qf6?! 21.Qd3 Qa1 22.Rf1–+) 21.Kh1 (21.Kh2 Qd6 Decoy (21...Bc2 Zwischenzug)) 21...Qf6 (21...Bc2?! 22.Bd8 Bg3 23.Bc7 Bc7 24.Nc3–+; worse is 21...gf6 22.Qa2 Bg3 23.Bh5 Bf2 24.Qf7 Kh8 25.Qe8 Qe8 26.Be8 Re8 27.Nc3–+) 22.Qd3 Bg3 23.Qh7 (23.Bg4 Qf2 24.Nc3–+) 23...Kh7 24.Be4 Re4 25.Rf6 Ra4 26.Rf3 Ra1 27.Rg3 Rbb1 28.Kh2 0–1. jeich (1870) – kostini (1875), gameknot.com, 2014.

5.c4 c5 6.g3 Bd6 7.Bg2 (7.d3 dc4 8.dc4 0–0 9.Nc3 Qe7 10.Bg2 Nbd7=) 7...0–0 (7...dc4 8.Qc2 Nbd7 9.Qc4 Nb6 10.Qc2 Bd7=) 8.0–0 (8.Bb2 d4 9.0–0 e5 10.d3 Re8=) 8...Re8 (8...dc4 9.Qa4 (9.Qc2= e5 10.Bb2 Qe7=) 9...e5 10.Nc3 Nbd7=) 9.Qc2 (9.d3 dc4 10.dc4 e5=) 9...Nbd7 (9...Qb6 10.d3 d4=) 10.Bb2 (10.d3 d4=) 10...b6= (10...d4=). NikolayevskyYuri V – Flesch,Janos, Varna, 1968.

5.d4 c5 6.e3 Nbd7 7.a4 Nb6 8.Be2 Bd6 9.0–0 Qc7 10.c3 Bd7 11.Ba3 Ne4 12.h3 0–0 13.Nfd2 f5 14.Ne4 fe4 15.Nd2 Rf6 16.dc5 Bc5 17.Bc5 Qc5 18.c4 Qb4 (18...dc4? 19.Ne4 Qc7 20.Nf6 gf6 21.Qc2+–) 19.Rb1 Qa4 20.c5 Qd1 21.Rbd1 Na4 22.Ne4 Rf7?? (better is 22...de4 23.Rd7 Nc5+=) 23.Ra1+/– de4 24.Ra4 Rf5 25.Rc1 Rc8 26.Ra5 (26.Re4?! Rcc5 27.Rec4 Rc4 (worse is 27...Rb5 28.Rc7 Bc6 29.Bb5 Rb5 30.f3+=) 28.Bc4 Kf8=) 26...Rfc5 27.Rc5 Rc5 28.Ra8 Kf7 29.Rb8 Rc1 30.Kh2 Rc2 31.Rb7 Re2 (better is 31...Ke7!? 32.Bd1 Rf2+=) 32.Rd7+– Kf6 1–0. Huber,Gregory (2210) – Walker,Warrick, Alberta, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 d5)

5.d4 Bd6 6.c4 0–0 7.c5 Be7 8.Bf4 (8.Nc3 Bd7=) 8...c6 (8...b6 9.c6=) 9.b6+= Na6 (9...Ne4 10.e3+=) 10.Qa4 (10.Nc3 Nh5 11.Bd2 Nf6+=) 10...Ne4 11.Nbd2 (< 11.Qa5 Bd7 12.Qa4 Nac5=+) 11...Nac5 (11...f6 12.e3= (< 12.Qa5 e5–/+)) 12.dc5 Nc5 13.Qc2 Qb6 14.Ng5 f5 15.Rb1 (15.Ngf3 Qd8+=) 15...Qd8 16.Ngf3 Ne4 17.a4 Bb4 18.Be5 (18.Rb3 c5 19.e3 c4–/+) 18...c5 19.e3 (19.Rc1 c4=) 19...Bd7 20.Be2 Qe8 21.Bd1 (21.Ra1 c4=+) 21...Qe7 (21...f4 22.ef4 Qg6 23.Rb4 Qg2 24.Nf1 Qh1 25.Rb7=+) 22.Rb2 (22.Rc1 Rac8=+) 22...c4 23.Ra2 Bd2 (23...Rac8!?=) 24.Nd2+= c3? (better is 24...b5 25.ab5 Bb5 26.Ne4 fe4=) 25.Ne4+– de4 (25...fe4 26.Qc3 Qg5 27.Bg3+–) 26.Qc3 (26...Rfc8 27.Qb3+–) 1–0. kamret (2135) – chessbeginer (1710), GameColony.com, 2003.

5.d4 Bd6 6.c4 dc4 7.Qc2 0–0 8.e4+= b6? 9.e5+– Bb7 10.ef6 Bf3? 11.fg7 Kg7 12.gf3 Kh8 13.Bc4 Qh4 14.Qe4 Qe4 15.fe4 Rg8 16.e5 Be7 17.d5 1–0. pozarski (1970) – chgrine (1820), GameColony.com, 2002.

5.d4 Bd6 6.c4 dc4 7.e3 =.

5.d4 Bd6 6.e3 0–0 7.c4 dc4 8.Bc4 c6 9.Nbd2 Bd7 10.a4 cb5 11.ab5 Qb6 12.Ba3 Ba3 13.Ra3 Ne8 14.0–0 Nd6= 15.Qb1 Rc8 16.Ne5 h6 17.Bd3 Be8 18.Nec4 Nc4 19.Nc4 Qd8 20.Qb3 b6 21.f4 g6 22.Qb2 Ra7 23.Raa1 Nd7 24.Nd6 Rcc7 25.e4 Nf6 26.e5 Nd5 27.Rf3 Rc3 28.Qd2 Rac7 29.f5 Qh4 30.Kh1 Qd4 31.Re1 Nf4 32.Rf4 (32.Rf4 Qd3 33.Qd3 Rd3 34.Ne8+–) 1–0. dominick1952 (2155) – Hitman (1760), internet, 2006.

5.d4 Be7 6.c4 0–0 7.Nc3 dc4 8.e4 c5 9.bc6 Nc6 10.Bc4 Qc7 11.0–0 Rd8 12.Nb5 Qb8 13.Re1 Na7 14.Na7 Qa7 15.Qd3 b6 16.e5 Nd5 17.Ng5 Bg5 18.Bg5 Rd7 19.Qg3 Ne7 20.Be7 Re7 21.Qh4 Rd7 22.Bb5 Re7 23.Rac1 h6 24.Re3 Kf8 25.Qe4 Kg8 26.Rg3 Ba6 27.Ba6 Qa6 28.Qh4 Kf8 29.Rg7 Kg7 30.Qe7 Rc8 31.Qf6 Kg8 32.Qh6 Rc1 33.Qc1 Qd3 34.Qa1 b5 35.h4 b4 36.ab4 ab4 37.Kh2 b3 38.Qa3 Qc2 39.Qa4 ½–½. Rosner,Dirk (2215) – Riojo,Francisco (1960), CiF, 2000.

5.e3 (--> 3.Nf3 d5 4.e3 a5 5.b5).

5.g3 c6 6.a4 cb5 7.ab5 b6 8.Nc3 d4 9.Na4= Qd5?? 10.Nb6+– Qb7 11.Na8 Qa8 12.Bb2 Bc5 13.Bg2 Bb7 14.0–0 0–0 15.Ra4 e5 16.c3 Rd8 17.cd4 ed4 18.Qa1 Bb6 19.Bd4 Bd4 20.Rd4 Nbd7 21.Ra4 Nb6 22.Ra5 Qb8 23.d3 h6 24.Rc1 Qd6 25.Ra7 (25.Ra7 Bf3 26.Bf3+– (< 26.ef3 Qd3 27.Qb1 Qe2+–)) 1–0. gtate (2765) – igivanov (2540), net–chess.com, 2009.

5.g3 Bd6 6.Bg2 0–0 7.0–0 e5 8.d3 Qd7 9.a4 Re8 10.Nbd2 e4 11.de4 de4 12.Ng5 Qf5 13.Nc4 Be7 14.Nh3 Qc5 15.Nd2 Bh3 16.Bh3 Qh5 17.Kg2 Nbd7 18.Bb2 Rad8 19.e3 Qh6 20.Qe2 Nb6 21.Nc4 Bb4 22.Ra2 Rd5 23.Bf6 Qf6 24.Kg1 Nc4–/+ 25.Qc4 Rc5 26.Qe2=+ Bc3 27.Rd1 h5 28.Ra3 h4 29.Rb3 Qh6 30.Kg2 Qf6 31.Kg1 hg3 32.fg3 Qh6 33.Bg4 Qg5 34.h4 Qg6 35.Kh2 Be5–/+ 36.h5 Qg5–+ 37.Kg1 Bg3 38.b6 Qh4 39.Rb5 Bf2!! 40.Kf1 Bg3 41.Kg1 Rc3 42.Rc1? c5 43.Rb3 Re5 44.Rd1?? Rb3 45.cb3 Rg5 0–1. gtate (2450) – alextrotzky (2480), net–chess.com, 2007.

5.e3 c5

6.Bb2 Nbd7 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3 Nbd7 7.c4).

6.c4 b6 7.Bb2 Nbd7 8.Be2 Bd6 9.d4 Bb7 10.Nbd2 0–0 11.0–0 Rc8 12.h3 Qe7 13.Ne5 cd4 14.ed4 dc4 15.Ndc4 Bb8 16.Bf3 Ne5 17.de5 Rfd8 18.Qe2 Bf3 19.Qf3 Nd7 20.Rac1 Rc5 21.a4 Qh4 22.g3 Qh3 23.Rfd1 Rcc8 24.Rd4 Nf8 25.Qb7 Re8 26.Qb6 Ng6 27.Re1 f6 28.Nd6 Ne5 29.Re5 Bc7 30.Qa6 Bd6 31.Rh4 Qh4 32.gh4 fe5 33.Qa5 Rc2 34.Qa6 Bc5 35.Be5 Rf2 36.Bd6 Be3 37.Bg3 Rc2 38.Kf1 Bc5 39.Ke1 e5 40.b6 Bb4 41.Kd1 Rec8 42.Qc8 Rc8 43.Be5 Rd8 44.Kc2 Rd7 45.Bc3 Bc5 0–1. Liptak – Nemes, 1996.

6.c4 d4 7.Bb2 de3 8.de3 Qd1 9.Kd1 b6 10.Nbd2 Bb7 11.Bd3 Nbd7 12.Kc2 Bd6 13.h3 Bc7 14.e4 e5 15.Rae1 ½–½. Nepustil – Hruska, 1997.

6.c4 Bd6 7.Bb2 0–0 8.d4 b6 9.Nbd2 Bb7 10.h3 Nbd7 11.Bd3 Ne4 12.Qc2 f5 13.Rg1 Ndf6 14.g4 cd4 15.Nd4 Qd7 16.gf5 ef5 17.Nc6 Nd2 18.Kd2 Bc6 19.bc6 Qc6 20.Rg2 Kh8 21.Rag1 Ra7 22.Bf5 dc4 23.Bh7 Bh2 24.Rg7 Rd7 25.Kc1 Bg1 26.Qg6 c3 0–1. Liptak – Varga, 1996.

6.c4 Nbd7 7.d3 Bd6 8.Nbd2 0–0 9.Bb2 b6 10.g3 Bb7 11.Bg2 Qe7 12.0–0 Rad8 13.Re1 Ng4 14.Qc2 f5 15.Rad1 Bb8 16.Qb3 Kh8 17.h3 Ngf6 18.a4 e5 19.cd5 Bd5 20.Nc4 Bc7 21.Qc3 Rde8 22.Qc2 e4 23.de4 fe4 24.Ng5 Bb7 25.h4 Be5 26.Bh3 Bb2 27.Qb2 Bd5 28.Bd7 Bc4 29.Be8 Re8 30.Qc3 Bg8 31.Nh3 Ng4 32.Nf4 Ne5 33.Kg2 Nf3 34.Rh1 Bf7 35.h5 Ne5 36.Rd2 Kg8 37.Rhd1 Qg5 38.Rh1 Qg4 39.Rh4 Qf5 40.Rd6 Nc4 41.h6 Qg5 42.Rg6 Qe5 43.Rg7 Kh8 44.Ne2 Nd6 45.Qe5 Re5 46.Rf4 1–0. Anastasian – Dvoirys, Rostov 1993.

6.bc6 bc6 7.c4 Bd6 8.d4 0–0 9.Bd3 Nbd7 10.Bb2 Rb8 11.Qc2 dc4 12.Bc4 c5 13.Nbd2 Bb7 14.dc5 Nc5 15.0–0 Qc7 16.Bf6 gf6 17.Rfc1 a4 18.Bd3 Kg7 19.Qc4 Rg8 20.Ne4 Be4 21.Be4 Nb3 22.Qc7 Bc7 23.Rc7 Na1 24.h4 Rgc8 25.Ra7 Rc4 26.Nd4 Rb6 27.Bf3 Nb3 28.Bh5 Nd4 29.ed4 Rd4 30.g4 f5 31.Rf7 Kg8 32.Ra7 fg4 33.Kg2 h6 34.Bf7 Kf8 35.h5 Rf4 36.Bg6 Rb2 37.Rh7 Rbf2 38.Kg3 R2f3 39.Kg2 Ra3 40.Rh6 Rb4 41.Rh8 Kg7 42.Rh7 Kg8 43.Rf7 Rb2 44.Kf1 Ra1 0–1. Hodgson – Kraidman, 1982.

3.Nf3 b6

4.Bb2 Bb7 5.e3 c5 6.b5 d5 7.c4 Be7 8.Be2 0–0 9.0–0 Nbd7 10.a4 a5 11.ba6 Ba6 12.Na3 Qc7 13.d3 e5 14.cd5 Nd5 15.Qb3 Nb4 16.Nc4 Bf6 17.Rfc1 Rac8 18.Nfd2 Bb7 19.Ba3 Nd5 20.Rab1 Bc6 21.Bb2 Rfe8 (21...Ra8 22.Ra1=) 22.Bh5 g6 (22...Ra8 23.Ra1 Reb8 24.Bg4=) 23.Bf3+= Rb8 24.Na3 Nb4 25.Nb5 Bb5 26.ab5 Qd6 27.Ne4 Qd3 (27...Qe6 28.Qe6 Re6+/– (28...fe6? 29.Nf6 Nf6 30.Be5+–)) 28.Qd3?? (28.Qa4 Kg7 A) 29.Nf6 Nf6 (worse is 29...Kf6 30.Rd1 Qf5 31.Bc6 Nc6 32.bc6+–) 30.Rd1 Qf5+=; B) 29.Rd1+–) 28...Nd3+= 29.Rd1 c4 30.Nd6 Nb2 31.Ne8 (better is 31.Rb2 Red8 32.Ra2=) 31...Nd1–+ 32.Rd1 Re8 33.Rd7 e4 34.Be2 Rc8 35.Rd1?? (35.Bd1 Ra8 36.Kf1 Ra1–/+) 35...Bb2 (better is 35...c3 36.Rc1 c2–+) 36.Rd2 c3 37.Rc2 Rd8 38.g4 Rd5 39.Kg2 Kg7 40.Kg3 g5 41.h4 h6 42.hg5 hg5 43.f3 ef3 44.Kf3 Kf6 45.Ke4 Rc5 46.Kd4 Ke7 47.Ke4 (47.e4 Rc8–/+) 47...Kd6 48.Kd4 (48.Bd3 Rd5–+) 48...Rd5 49.Kc4 Ke5 (49...f5!? 50.gf5 Rf5 51.Kd4–+) 50.Bd3–/+ Rc5 51.Kb3 f6 52.Rf2 Rc8 53.Rf5 Ke6 ½–½. Bigalke,Andre (1965) – Svensen,Tarjei Joten, Wichern op 5th, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6)

4.Bb2 c5 5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 d5 9.e3 Nbd7 10.d3 Bd6 11.Nbd2 0–0 12.c4 Qc7 13.Be2 Bb7 14.0–0 dc4 15.Nc4 Bf3 16.gf3 Bh2 17.Kg2 Bd6 18.f4 e5 19.Nd6 Qd6 20.fe5 Ne5 21.d4 (21.f4?! Ng6 22.f5 Nd5) 21...Qd5 22.Kh2 (22.Bf3 Nf3 23.Qf3 Ne4; 22.f3 Neg4; 22.Kg1 Ng6 23.dc5 Qg5) 22...cd4 23.Bd4 h5 24.f3 (24.Bh5? Nh5 25.Qh5 Nf3) 24...Qd6 25.Kg2 Ng6 26.Rh1 Rd8 27.Qc2 h4 28.Qf5 (28.f4 Nf4; 28.Rh3 Nd5 idea Nf4; 28.Bf6 Qf6) 28...Qg3 29.Kf1 Nf4 30.Qf4 (30.Rg1 Ne2; 30.ef4 Rd4) 30...Qf4 31.ef4 Rd4 32.Rh4 Nd5 0–1. Serebrisky – Stern, corr 1984.

4.b5 Bb7 5.e3 Be7 6.d4 a6 7.Nbd2 ab5 8.Bb5= 0–0 9.Bd3 d5 10.0–0 Nbd7 11.Bb2 Ne4 12.c4= Bd6 13.Qc2 f5 14.Ne5 Be5 15.de5 Ndc5 16.Ne4=+ de4 17.Be2= Qg5 18.Bd4 Nd3 19.f4 Qg6 20.c5 Bd5 21.Rfb1 bc5= 22.Bc5 Rfc8 23.a4 Qe8 24.Bd1 Ra5 25.Bd4 c5 26.Bc3 Raa8 27.Rb6 Rc6 28.Rab1 Nb4–/+ 29.Bb4 Rb6 30.Qc5 Qb8 31.Qd4? Qb7–+ 32.a5 Ra5! 33.Ba5 Rb1 34.Qa4?? Qc6 (34...Qc6 35.Kf2 Qa4 36.Ba4 Ra1–+) 0–1. Walter,Guenter – Lorenz,Gerd, Freiberg, 1970.

4.c4 a5 5.b5= d5 6.Bb2 (6.cd5 ed5 7.Nc3 Bd6=) 6...Nbd7 (6...Bd6 7.Nc3=) 7.e3 Be7 (7...Bd6 8.cd5 ed5 9.Nc3=) 8.Nd4 (8.cd5 ed5 9.Nc3 0–0=) 8...Bb7 9.cd5 ed5 10.Nc6 Bc6 11.bc6 Nc5 12.d4 Ne6 (12...Nce4 13.Bd3+=) 13.Nc3+= 0–0 14.Qc2 Ng5 15.Bd3 b5 (better is 15...Bd6!?+=) 16.Nb5+– Rb8 (16...Ne6 17.0–0+–) 17.Bc3 Nfe4 (17...Nge4 18.Ba5 Ne8 19.0–0+–) 18.h4 (better is 18.Ba5!? Bd6+–) 18...Ne6 19.Ba5 f5 20.g3 (20.h5 Ra8 21.Bd2 Bh4+–) 20...Rf6 (20...Ra8 21.Bd2+/–) 21.Bb4 (21.Rb1 Ra8 22.Bb4 Rg6+–) 21...Bb4 (21...Rb6 22.0–0+/–) 22.ab4+– Qe7 23.0–0 Rg6 24.Be4 (24.Kh2 Qb4 25.Rfb1 Qf8+–) 24...fe4 (24...de4 25.d5 Rb5 26.de6+–) 25.Nc3+– Qh4 26.Nd5 Qg4?? (26...Rf8 27.Ra7 Rf3+=) 27.Ne7 Kf7 28.Ng6 hg6 (28...Kg6 29.f4 Qg3 30.Qg2 Qg2 31.Kg2+–) 29.Ra5 (better is 29.f3 Qg3 30.Qg2 Qg2 31.Kg2+–) 29...Rh8 (29...Ng5 30.Rg5! Qg5 31.Qe4 Qf5 32.Qf5 gf5+–) 30.f3! ef3 (30...Qg3 31.Qg2 Qg2 32.Kg2 ef3 33.Rf3 Ke7 34.Rd5+–) 31.Qf2 Ng5 (31...Ke7 32.Qf3 Qf3 33.Rf3 Kd6+–) 32.Rg5! Qg5 33.Qf3 Kg8 34.Qf7 Kh7 35.Kg2 Rf8 36.Rh1 Qh6 37.Rh6 Kh6 38.Qf8 Kg5 39.Qf4 1–0. antinephilehi (1910) – roy1nc6 (1985), gameknot.com, 2014.

4.c4 Bb7 5.e3 c5 6.bc5 Bc5 7.Be2 0–0 8.0–0 Be7 9.d3 d6 10.Bb2 Nbd7 11.a4 Nc5 12.Nbd2 Qc7 13.Bc3 e5 14.a5 ba5 15.Ba5 Qc8 16.d4 Ncd7 17.Qc2 Re8 18.Rfb1 ed4 19.ed4 d5 20.c5 Bc6 21.Nf1 Ne4 22.Ne3 Rb8 23.Bd3 g6 24.Rb8 Qb8 25.Qa2 Qa8 26.Bc7 Ng5 27.Ng5 Bg5 28.Qa7 Qc8 29.Ba6 Qa8 30.Bf1 Qc8 31.Ng4 Nf8 32.Qb6 Qg4 33.Qc6 Rc8 34.Ra8 Bf4 35.h3 Bc7 36.hg4 Bh2 37.Kh2 Rc6 38.Be2 Kg7 39.Bf3 Rf6 40.Bd5 Rf2 41.c6 1–0. Tichy,Vladimir – Pekarek,Ales, Trnava, 1985.

4.c4 c5 5.b5 a6 6.d3 d5 7.Nbd2 Bb7 8.Bb2 ab5 9.cb5 Nbd7 10.g3 Be7 11.Bg2 0–0 12.0–0 Ne8 13.e3 Nd6 14.a4 Bf6 15.d4 Re8 16.Ne5 Be5 17.de5 Nf5 18.Qh5 Ra7 19.Nf3 Qe7 20.g4 Nh6 21.Ra3 Rea8 22.Rfa1 f5 23.ef6 Nf6 24.Qh4 Nhg4 25.Bh3 Nh6 26.Bf6 Qf6 27.Qf6 gf6 28.Be6 Kf8 29.e4 de4 30.Nd2 Ke7 31.Bb3 f5 32.Nc4 Rg8 33.Kf1 Rg6 34.a5 ba5 35.Na5 Kf8 36.Nc4 Ra3 37.Ra3 Ng4 38.Ra7 Bd5 39.Rh7 e3 40.h3 Nh2 41.Ke2 ef2 42.Kf2 f4 43.Ne5 Rg2 44.Ke1 Bb3 45.b6 Be6 46.b7 Rb2 47.Ng6 Kg8 48.b8Q Rb8 49.Rh8 Kg7 50.Rb8 Kg6 51.Kf2 Bd5 52.Rb5 Nf3 53.Rc5 Be4 54.Rc3 Ne5 55.Ke2 Kf5 56.Rc5 Bd3 57.Kf2 Ke4 58.Rc7 Bb5 59.Re7 Bd7 60.h4 Bg4 61.Re8 Bh5 62.Rh8 Ng4 63.Kg1 Nf6 64.Rf8 Kf5 65.Kf2 Be8 66.Kf3 Bc6 67.Kf2 Ke5 68.Ke1 Ng4 69.h5 f3 70.h6 Nh6 71.Kf2 Ng4 72.Kg3 Nf6 73.Kf2 Bd5 74.Kg3 Kf5 75.Kf2 Kg5 76.Rd8 Kg4 77.Rf8 Kg5 78.Rd8 Kg4 79.Rf8 Nh5 80.Ke3 Ng3 81.Rf4 ½–½. Gurgenidze,Bukhuti – Kakhiani Gersinska,K, Tbilisi It cat. (1), 1991. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6)

4.c4 c5 5.b5 Bb7 6.e3 d5 7.Bb2 Nbd7 8.d3 Bd6 9.Nbd2 e5 10.cd5 Nd5 11.Nc4 Qe7 12.e4 Nf4 13.g3 Ng6 14.h4 0–0–0 15.Bh3 h5 16.a4 Nf4?? (16...Qf6 17.a5 Bc7 18.ab6 ab6 19.Bc1+/–) 17.a5 (17.gf4 ef4 18.a5 Kc7 19.Nd6 Qd6+–) 17...Kc7?? (17...Nh3 18.Rh3 f6 19.Qa4+=) 18.Qc2 (better is 18.gf4 ef4 19.Nd6 Qd6 20.Bg7+–) 18...Ne6? (better is 18...Nh3 19.Rh3 Rhf8+=) 19.Nfe5+– (19.Nce5 Qf6 20.Qc3 Ne5 21.Ne5 Nd4 22.ab6 ab6–/+; worse is 19.Be5 Be5 20.ab6 ab6 21.Nce5 Ne5 22.Ne5 Nd4–+) 19...Ne5 20.Ne5 (worse is 20.Be5 Be5 21.ab6 ab6 22.Ne5 Nd4–+) 20...Nd4 21.Bd4 Be5 22.Be5 Qe5 23.Ke2 Rd4 24.f4 Qe8 25.Ra4 Rd6?? 26.Rha1 Qb5 27.Rb1 Qc6+= 28.ab6 ab6 29.Qc4 Rhd8?? 30.Qf7+– Kb8 31.Rba1 R6d7 32.Bd7 Rd7 33.Qe8 Kc7 34.Rc4 Qb5 35.Qe5 Kc8 36.Rac1 Bc6 37.Ke3 Qb3 38.Qc3 Qa2 39.Qc2 Qa6 40.Qb2 Qb7 41.Rb1 Kc7 42.Qe5 Kc8 43.Rc5! Rc7 44.Rc4 (44.Rc4 b5 45.Rc5+–) 1–0. Kubien,Jerzy (2250) – Krupa,Monika (2220), Wroclaw–ch Poland, 2004. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6)

4.c4 c5 5.b5 d5 6.e3 a6 7.d4 ab5 8.cb5 Nbd7 9.Nc3 g6 10.Be2= Bg7 11.Bb2 0–0 12.0–0 Ne4 13.Ne1 cd4 14.ed4 Ndf6 15.f3 Nd6=+ 16.Nc2 Bb7 17.a4 Qd7 18.Re1 Rfc8 19.g4 Nc4–/+ 20.Bc4 dc4 21.h4 Qc7–+ 22.Kg2 Ng4 23.Ne3 Qh2 24.Kf1 Qf2# 0–1. ashleysworld – elcid10, ChessWorld.net, 2009.

4.c4 c5 5.b5 d5 6.e3 Nbd7 7.Bb2 Bd6 8.d4 0–0 9.Nbd2 Bb7 10.Ne5 Rc8 11.Be2 Ne4 12.Ne4 de4 13.Nd7 Qd7 14.dc5 bc5 15.Be5 Rfd8 16.Bd6 Qd6 17.Qd6 Rd6 18.Rd1 Rcd8 19.Rd6 Rd6 20.0–0 Kf8 21.Rd1 Ke7 22.Kf1 e5 23.Rd6 Kd6 24.a4 a5 25.g4 g5 26.Kg2 h6 27.Kg3 f6 28.Bf1 Ba8 29.Be2 Bb7 30.Bd1 Ba8 31.Bc2 Bb7 32.Kg2 Ba8 33.Kf1 Bb7 34.Kg2 Ba8 35.Kh3 Bb7 36.Kg3 Ba8 37.Bb1 Bb7 38.Kg2 Ba8 39.Kh3 Bb7 40.Kg2 Ba8 ½–½. Skalicka,Carlos – Opsahl,Haakon, Buenos Aires, 1939.

4.c4 Be7 5.g3 0–0 6.d4 Bb7 7.Bg2 d5 8.0–0 dc4–/+ 9.Re1 b5 10.Ne5 Bg2–+ 11.Kg2 a6 12.Nc3–/+ Qd6 13.f3 Nbd7 14.Nd7 Qd7–+ 15.e4 Qd4?? 16.Qd4+– (16.Qd4 c5 17.bc5+–) 1–0. gdraper (2035) – guerino (2100), net–chess.com, 2006.

4.c4 g6 5.Nc3= Bg7 6.d4 Bb7 7.e3 0–0 8.Be2 d5 9.0–0 Nbd7 10.cd5 Nd5 11.Nd5 Bd5 12.Qc2 c5 (12...Nf6!?=) 13.e4+= Bb7 14.Bg5 Qc8 (14...Qb8 15.dc5 Ba1 16.Ra1+=) 15.Rac1+/– cd4? (better is 15...h6 16.Bh4 Nf6+/– (16...cd4? 17.Qa4 Qe8 18.Bb5+–)) 16.Qa4+– Qe8 17.Bb5 Be4 18.Nd2 (18.Bd7 Qb8 19.Bc6 Bc6 20.Rc6 h6+–) 18...Bb7 (better is 18...Bd5 19.Bd7 Qb8+–) 19.Bd7 Qb8 20.Be7 Bh6 (20...Qf4 21.Bf8 Rf8 22.Rfd1+–) 21.Rfd1 (21.Bf8?! Bd2 22.Rcd1 Qf4 23.Rd2 Qd2+/–) 21...a6 (21...Qe5 22.Bf8 Rf8 23.Bc6 Bc6 24.Qc6+– (24.Rc6?! Bd2 25.Qa7 d3=)) 22.Bf8 Kf8 23.Bc6 b5 (23...Kg8 24.Qb3+–) 24.Qc2 f5 (24...Bc6 25.Qc6 Kg7+–) 25.Qc5 Kf7 (25...Kg8 26.Qe7 Bc6 27.Qe6 Kh8 28.Rc6+–) 26.Qd4 Bc6 27.Rc6 Qb7 (27...Qd8 28.Qe5 Ra7 29.Qe6 Kg7 30.Qe5 Kg8+–) 28.Rdc1 Kg8 29.Rc7 Qd5 30.Qf6 Rf8 (30...Qg2 31.Kg2 Rf8 32.Qe7 Rf6 33.Qh7 Kf8 34.Rc8) 31.Qe7 Qd2 (31...Qg2 32.Kg2 Rf6 33.Qh7 Kf8 34.Rc8) 32.Qh7 1–0. gambitqueen17 (2305) – branwell (2275), gameknot.com, 2014.

4.d3 d5 5.e4 de4–/+ 6.de4 Qd1 7.Kd1 Ne4 8.Ke1 Bb7 9.Bb2 Nd7 10.Nc3 Bd6 11.Ne4 Be4 12.Bg7 Rg8 13.Bb2 0–0–0 14.h4 Bc2 15.Ng5=+ Rdf8 16.Rc1 Bg6 17.h5 Bf5 18.g4 Rg5 19.gf5 ef5 20.Ba6 Kb8 21.Bb5 Rd8 22.Rd1 f4 23.Bc4 Ne5 24.Bb3 c5 25.bc5 bc5–+ 26.Kf1 Kc7 27.Bc3 Rb8–+ 28.Ba5 Kd7 29.Bc2 Ke6 30.Bh7 Rh8 31.Be4 Rgh5 32.Rh5 0–1. Sandeman_be – miquelstone, ChessWorld.net, 2005.

4.d4 c5 5.c3 d5 6.Bg5 Be7 7.e3 0–0 8.Bd3 Nbd7 9.Nbd2 Qc7 10.Qb1 h6 11.Bf4 Bd6 12.Bd6 Qd6 13.0–0 a5 14.Qc2 Rd8 15.Be2 Qc7 16.bc5 bc5 17.Rfc1 c4 18.Rcb1 Bb7 19.Ra2 Rdb8 20.Rab2 Bc6 21.Bd1 Re8 22.Qc1 Qd6 23.a4 Rab8 24.Rb8 Rb8 25.Rb2 Rb6 26.Qa1 Rb2 27.Qb2 Qb8 28.Qa1 Nb6 29.Ne5 Qd6 30.Nc6 Qc6 31.Bc2 Nfd7 32.Qa3 Nc8 33.e4 Qd6 34.Qd6 Nd6 35.e5 ½–½. Benassi,Aspasio – Cuniali,Eugenio, CEO06 Asigc, 2002.

4.e3 d5 5.c4 Bd6 6.Nc3 Bb7 7.cd5 Nd5 8.Bb2 0–0 9.Bd3 Nd7 10.Qc2 N5f6 11.Nb5 1–0. jaskier (2130) – chacal (1645), internet, 2007.

4.e3 Bb7

5.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3).

5.c4 c5 6.b5 a6 7.Bb2 ab5 8.cb5 d5 9.Be2 Nbd7 10.0–0 Bd6 11.d4 Qc7 12.h3 (12.dc5 Nc5 13.Bf6 gf6=) 12...e5 13.de5 Ne5 14.Nbd2 0–0 15.Ne5 Be5 16.Be5 Qe5 17.Nf3 (17.Qc2 Rfe8+=) 17...Qe7 18.Qc2 Ne4 19.Rfe1 f5 20.Qb2 Rae8 21.a4 f4 22.ef4 Rf4 23.a5 ba5 24.Ra5 Ng5 25.Ng5 Qg5 26.Qc1 c4 27.Ra7 Bc8 28.Bg4 (better is 28.Ra8!? Rf5 29.Bf3 Qc1 30.Rc1+/–) 28...Re1–/+ 29.Qe1 Re4 30.Qd1 Bg4 (30...Rg4 31.hg4 Bg4 32.f4 Bd1 33.fg5+–) 31.hg4 c3 (31...Rg4!? 32.Ra8 Kf7–/+) 32.Ra8= Kf7 33.Qf3 Qf6 34.Ra7 Kg8 35.Ra8 Kf7 36.Qd3?? (better is 36.Ra7 Ke8 37.Ra8 Kd7 38.Ra7 Kc8 39.Qd1=) 36...Re1–+ 37.Kh2 Qf4 38.Qg3 Qh6 39.Qh3 Qh3 40.Kh3 c2 41.Ra7 Ke6 42.Ra6 Ke5 43.Ra4 (43.Rc6 c1Q 44.Rc1 Rc1 45.Kg3–+) 43...c1Q 44.Rb4 Rh1 45.Kg3 0–1. Luneau,Gilles – Marin, Andorra, 1995. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6 4.e3 Bb7)

5.c4 c5 6.bc5 bc5 7.Nc3 Nc6 8.d4 d5 9.Rb1 Rb8 10.Qa4 Qa5 (10...Qd7 11.cd5 Nd5 12.Nd5 ed5 13.Bb5+/–) 11.Qa5 (11.cd5 Qa4 12.Na4 Nd5 13.Nc5 Bc5 14.dc5 Nc3+/–) 11...Na5 12.cd5 ed5 13.Bb5 (13.Rb5!? Nc6 14.dc5+=) 13...Bc6+= 14.Ne5 Bb5 15.Nb5 Rb6 16.Bd2 Nc4 17.Nc4 dc4 18.Ba5 Rc6 19.Nc7 Kd7 20.Rb7 Kc8 21.Ra7 cd4 22.ed4 Kb8? (better is 22...c3!? 23.Nb5 c2+=) 23.Nb5+– Re6 (23...Ne8 24.Rf7 Ra6 25.Bd2 Ba3 26.Na3 Ra3 27.Ke2+–) 24.Kd1 Nd5 (24...Ne4 25.Rf7 Re7 26.Re7 Be7 27.Re1 Nf2 28.Kc2+–) 25.Rd7 Ne7 (25...Ra6 26.Bd2 Nf6 27.Rf7 Ba3 28.Rg7+– (28.Na3 Ra3 29.Re1 Ra1 30.Kc2 Ra2 31.Kc3 Nd5 32.Kc4 Rd2 33.Rb1 Kc8+–)) 26.d5 Rf6 27.Rd8 Nc8 28.Re1 Kb7 29.Ree8 Ka6 30.Bc3 Rf2 31.Rc8 Kb5 32.Rf8 Rf8 33.Rf8 Rg2 34.Rf7 Rh2 35.Rg7 Rh5 36.Rb7 Kc5 37.Bb4 Kd4 38.d6 1–0. Heinola,K – Ojanen,K, Vammala, 1984.

5.c4 c5 6.bc5 bc5 7.Be2 Be7 8.0–0 0–0 9.Qc2 Nc6 10.Bb2 Qc7 11.Nc3 a6 12.Ng5 g6 13.Nce4 Ne4 14.Ne4 f5 15.Nc3 Bf6 16.Rab1 Ne7 17.Rfc1 Bc6 18.h3 f4 19.Ne4 Bb2 20.Rb2 Qe5 21.Bf3 Nf5 22.Qc3 Qc3 23.Rc3 (worse is 23.Nc3 Bf3 24.gf3 Rab8+=) 23...fe3 24.de3 Nh4 25.Nc5 Nf3 26.gf3 Rf3 27.Rcb3 (27.Kh2 Raf8+=) 27...Raf8 (better is 27...Rh3!? 28.f4 g5 29.fg5 Rg3 30.Kf1 Rg5 31.Rb8 Rb8 32.Rb8 Kf7 33.Na6 Ra5–/+) 28.e4= R8f4 29.Na6 Rb3 30.Rb3 Re4 31.Rc3 h5 32.Nb8 Ba4 33.c5 Re1 34.Kh2 Rb1 35.Rc4 Bb5 36.Rd4 Attacking the backward pawn on d7 36...g5 37.Nd7 Kg7 38.Ne5 (better is 38.Nb8!? Rc1 39.a4+/–) 38...Kf6= 39.Re4 Rc1 40.c6 Bc6 41.Nc6 Rc6 42.Ra4 Rc2 43.Kg2 e5 ½–½. Saradjen,Janko (2145) – Illijin,Neboisa (2275), Bled op Seniors, 2008. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6 4.e3 Bb7)

5.c4 d5 6.Bb2 Be7 7.Be2 0–0 8.0–0 Nbd7 9.d4 dc4 10.Bc4 c5 11.dc5 bc5 12.b5 a6 13.ba6 Ba6 14.Nbd2 Nb6 15.Qe2 Nc4 16.Nc4 Qd5 17.Rfc1 Rfb8 18.Be5 Bc4 19.Qc4 Qc4 20.Rc4 Ra3 21.Rac1 Rba8 22.Bf6 gf6 23.Kf1 Ra1 24.Ke2 R8a2 25.R1c2 Kf8 26.Nd2 Ke8 27.Nb3 Rc2 28.Rc2 Ra7 29.Kd3 Rc7 30.Kc4 Kd7 31.Ra2 Kc6 32.Ra8 f5 33.Na5 Kb6 34.Nb3 h5 35.Rb8 Kc6 36.Na5 Kd7 37.Ra8 h4 38.Ra6 Bd6 39.g3 hg3 40.hg3 Ke7 41.Ra8 Kf6 42.Ra6 Bf8 43.Ra8 Be7 44.Kd3 Rd7 45.Ke2 Rd8 46.Ra7 Rb8 47.Nc4 Rb3 48.f4 Rc3 49.Ne5 c4 50.Kd2 Rb3 51.Nc4 Bb4 52.Ke2 Rc3 53.Rc7 Kg7 54.Rc6 Rc2 55.Kf1 Rc1 56.Ke2 Be1 57.Kf3 Rc2 58.g4 Rf2 59.Kg3 Rf1 60.Kg2 Rf2 0–1. Susnjar – Ascic, Tucepi 1996.

5.Bc4 d5 6.Bb3 c5 7.bc5 Bc5 8.Bb2 0–0 9.Ng5 h6 10.Nh3 d4 11.0–0 de3 12.fe3 Qc7 13.Bf6 gf6 14.Rf6 Qe5 15.Qg4 Kh7 16.Qf4 Qf4 17.Rf4 Bd6 18.Rf2 Nc6 19.Nc3 Ne5 20.Raf1 Kg7 21.a4 Ng4 22.Re2 Bh2 23.Kh1 Bd6 24.Nf4 Rac8 25.Nb5 Bb8 26.Nd4 Bf4 27.Rf4 Nf6 28.Nb5 Ba6 29.Ref2 Nd5 30.Rg4 Kh7 31.Nd6 Rc7 32.c4 Nb4 33.Rf6 Rd7 34.Ne4 Bb7 35.c5 Be4 36.Re4 bc5 37.Be6 Rd2 38.Ref4 fe6 39.Rf8 Nd3 40.R4f7 Kg6 41.Ra7 Nf2 42.Kg1 Nd1 43.Re8 Kf5 44.Ra6 Ne3 45.Rae6 Ng2 46.Re5 Kf6 47.Rc5 Kf7 48.Rb8 Ne3 49.Rb7 1–0. nextdoor (1715) – ulla (1655), gameknot.com, 2014.

5.d4 c5 6.b5 d6 7.Be2 Be7 8.0–0 Nbd7 9.a4 0–0 10.a5 Qc7 11.a6 Bf3 12.Bf3 d5 13.Nd2 cd4 14.ed4 Rac8 15.Ra2 Ne8 16.c4 Ndf6 17.cd5 Nd5 18.Qb3 (18.Qb3 Nc3 19.Rb2–/+) 1–0. Ivanets,Vladimir (2230) – Panko,Alexander (2125), RUS–ch Seniors, 2009.

5.d4 c5 6.bc5 bc5 7.Nc3 d5 (7...Nc6 8.Bd3=) 8.Bb5 (8.Rb1 Bc6=) 8...Nbd7 9.0–0 c4 (9...a6 10.Ba4=) 10.Bd7 (10.Ne5 a6 11.Ba4 Bd6=) 10...Qd7 11.Rb1 Bc6 12.Ne5 Qc7 13.Nc6 Qc6 14.Qe2 Bd6 15.f3 0–0 (15...Qc7 16.g3=) 16.a4 (16.e4 Nd7=) 16...a6 (16...Rfb8 17.Bd2–/+) 17.e4= e5 18.ed5 Nd5 (18...Nd5 19.Qe4 Ne7 20.Qc6 Nc6=). Avy – Bernardo, email SOK–99–E009A, 1999.

5.Be2 c5 6.bc5 (6.b5 d5 (6...a6 7.Bb2 Be7 8.0–0 0–0 9.ba6 Na6=; 6...Be7 7.Bb2 a6 8.ba6 Na6 9.0–0 0–0=) 7.0–0 Bd6 8.Nc3 0–0 9.Bb2 e5+=; 6.c3 d5 (6...Be7 7.bc5 bc5 8.d3 0–0 9.0–0 Nc6=; 6...cb4 7.ab4 a5 8.ba5 Ra5 9.Ra5 ba5=) 7.0–0 Bd6 8.d4 0–0 9.Nbd2 c4+=) 6...bc5 (6...Bc5 7.0–0= 0–0 8.d4 Be7 9.Nbd2 Qc7=) 7.c4 (7.Nc3 Nc6 8.Rb1 Rb8 9.Bb2 d5=) 7...Nc6 8.0–0 g6 (8...Rb8 9.d4= d5=) 9.Bb2 (9.d4 Bg7+=; 9.Nc3 Bg7+=) 9...Bg7= 10.Nc3 0–0 11.Qc2 a6 12.Rab1 Qc7 (12...Rb8 13.Rfe1=) 13.h3 (13.Ne4 Ne4 14.Bg7 Kg7 15.Qe4 Rab8+=) 13...Ne7 14.d3 d6 15.Rfe1 (15.Ne4 Be4 16.de4 Nc6=) 15...h5 (15...Rab8 16.Rec1=) 16.e4 (16.Ne4 Be4 17.de4 Nc6+=) 16...Nd7 17.Rbd1 (17.Qd2 f5+=) 17...Nc6 18.Bf1 (18.Qd2 Nde5=) 18...Nde5 19.Ne5 Nd4 20.Qb1 Be5 21.Kh1 (21.Ne2!?=) 21...f5–/+ 22.Kg1 (22.Ne2!?–/+) 22...Qf7–+ 23.Be2 (better is 23.Ne2 fe4 24.Kh1–+) 23...fe4 24.Rf1 Qf4 (24...Ne2?! 25.Ne2 ed3 26.Rd3–+) 25.g3 Qf5 26.Kh2 Ne2 27.Ne2 Qf3 28.Ng1 (28.Be5 ed3 29.Nf4 Rf4 30.Qb7 Qb7 31.Bf4–+) 28...Qf2! 29.Rf2 (29.Rf2 Rf2) 29...Rf2 30.Kh1 e3 31.Nf3 Bf3 32.Kg1 Rg2 33.Kf1 Rh2 (33...Rh2 34.Be5 Rh1#) 0–1. Smith,Tony – Mackellar,Laurie, BCCA Trophies 4B, 2002.

5.Be2 Be7 6.0–0 0–0 7.c4 d5 8.cd5 Nd5 9.Bb2 Nd7 10.d3 c5 11.bc5 Nc5 12.Nbd2 Nf6 13.Nc4 Rc8 14.d4 Nce4 15.Rc1 (15.Nce5 Bd5=) 15...Qd5 16.Qd3 Rfd8 17.Nce5 Bd6 18.Qb5 Be7 (18...Rc1 19.Rc1 (worse is 19.Bc1 Nc3 20.Qd3 Rc8–/+) 19...Be5 20.de5 Qb5 21.Bb5+=) 19.a4 (19.Qa4 Rc1 20.Rc1 Qa2=) 19...h6 (19...Nd6 20.Qd3=) 20.Bc4 Qd6 21.Qb3 Nd5 22.Qd3 (22.a5 Qb4 23.Qb4 Nb4 24.ab6 ab6=) 22...Ndf6 23.Ra1 Qb8 24.Rfc1 Bd6 25.Qb3 (25.a5 ba5 26.Rcb1 Ng5=) 25...Bd5 (better is 25...Be5!? 26.Ne5 Nd2=) 26.Bd5+= Nd5 (26...ed5!? 27.Nc6 Rc6 28.Rc6 Ng4+=) 27.Nc6+/– Qb7 (27...Rc6 28.Rc6 Ng5 29.Ne5+/–) 28.Nd8+– Rd8 29.Qc2 Ndf6 (29...Ne7 30.Ba3+–) 30.Qc6 (30.Ba3 Ba3 31.Ra3 Ng4+–) 30...Qe7 31.a5 Nd5 32.Qc2 f5 (32...Ng5 33.Ng5 Qg5 34.Ba3+–) 33.ab6 ab6 34.Qd3 g5 (34...Ng5 35.Ng5 Qg5 36.Ba3+–) 35.Ba3 g4 36.Bd6 Rd6 (36...Nd6 37.Ne5 Qh4 38.Ra7+–) 37.Ne5 Qh4 (37...h5 38.Rc8 Rd8 39.Qc2+–) 38.Rc8 Kg7 (38...Rd8 39.Rd8 Qd8 40.Ng4 Nec3+–) 39.Ra7 Kf6 40.Rf8 (40.g3 Qh3 41.Qb5 Ng3 42.Rf8 Kg5 43.Rg7 Kh5 44.Qe8 Kh4 45.Nf3 gf3 46.hg3 Qg3 47.fg3 Kh3 48.Qh5) 40...Kg5 41.g3 Qh3 42.Nf7 (42.Nf7 Kh5 43.Rh8+–) 1–0. Markowski – Peck, Singapore, 1990. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6 4.e3 Bb7)

4.e3 c5

5.b5 Bb7 6.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3 c5 6.b5).

5.bc5 bc5 6.Nc3 d5 =.

5.bc5 bc5 6.c4 Be7 7.Be2 0–0 8.0–0 Nc6 9.Nc3 Rb8 10.Qc2 Bb7 11.Bb2 d5 12.cd5 ed5 13.Rab1 Qd7 (13...Bc8 14.d4 c4 15.e4+=) 14.Na4+= c4 15.d3 Na5 16.Ne5 cd3 (16...Qc7 17.dc4 Bd6 18.Nf3 dc4 19.Bf6 gf6 20.Nc3 Bf3 21.Bf3 Bh2 22.Kh1=) 17.Bd3 Qd6 18.Nf3 (18.Qc3 Nc6+=) 18...Rbc8 (18...Rfc8 19.Be5 Rc2 20.Bd6 Bd6 21.Bc2+=) 19.Qe2 (19.Qd1 Bc6+=) 19...Bc6= 20.Be5 Qd7 (20...Qe6 21.Bf6 Qf6 22.Nb2=) 21.Nc3 (21.Nb2 Ne4+= (21...Ba3? 22.Bf6 gf6 23.Nd4+–)) 21...Nc4= 22.Bd4 Qg4 (22...Na3 23.Ra1 Ne4 24.Ne5+=) 23.h3 Qh5 24.a4 Ne4 25.Nb5 a6 (25...Bb5 26.ab5 Bc5 27.Be4 de4 28.Qc4 ef3 29.Rfc1=) 26.Na7+/– Rc7? (26...Ba4 27.Nc8 Rc8 28.Rb7+=) 27.Bc4 (better is 27.Be4 Ba4 28.Bd3+–) 27...dc4+/– 28.Qc4 Nd6 29.Qe2 (29.Qc2 Ra7 30.Qc6 Rc8+–) 29...Be4 (29...Bf3!? 30.Qf3 Qf3 31.gf3 Ra8=) 30.Rbc1+= (30.Qa6? Qg6 (30...Bb1?! 31.Rb1 Ra8 32.Qd3=) 31.Rfc1 Bf3–+) 30...Rd7 31.Nc6 Nf5 32.Nce5 Nh4 33.g4?? (better is 33.Rfe1 Rd6 34.Nh4 Qh4 35.f3+/–) 33...Nf3–+ 34.Qf3 Qe5 (34...Qe5 35.Qf7 Rf7 36.Be5 Rf3–+; 34...Bf3? 35.gh5 Rd4 36.ed4 Bh5 37.Rc7+–) 0–1. Kivisto – Kekki, Espoo, 1987. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6 4.e3 c5)

5.bc5 bc5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7 (9...cd4 10.Nd4 e5 11.Nf3=) 10.cd5 Nd5 11.e4. Gomez – Hook, Maryland, 1984.

4.g3 Bb7

5.Bb2 c5 6.bc5 Bc5 7.Ne5 Bh1 8.Nc3 Qc7 9.Nb5 Qb7 10.Bh3 a6 11.Nc3 Qc7 12.Nc4 Bf2! 13.Kf2 Qc4 14.Qh1 Nc6 15.a4 Qd4 16.Ke1 0–0 17.Nb5?? Qb2 18.Rd1 ab5 19.ab5 Ra1 20.Kf2 Rd1 21.Qd1 Ne4 22.Kf3 Ng5 23.Kg2 Qb5 24.Bg4 Ne5 25.h3 Ra8 26.d4 Ng4 27.hg4 Qd5 28.Kf2 Ne4 29.Ke3 Ra3 30.Qd3 Rd3 31.Kd3 f5 32.gf5 Qf5 33.Kc4 h5 (33...h5 34.Kd3 Ng3 35.Kd2 Qf4 36.Kc3 Qe3 37.Kb4 Qd4 38.Kb5 h4–+; 33...Qa5 34.Kb3 Qc3 35.Ka2 Qc2 36.Ka3 Nd2 37.e4 Qb3) 0–1. jbneville – chips, net–chess.com, 2004.

5.Bg2 c5 6.0–0 d5 7.bc5 Bc5 8.d4 Bd6 9.Nbd2 Nbd7 10.c4 0–0 11.Bb2 Qe7 12.cd5 ed5 (worse is 12...Nd5 13.e4+–) 13.e3 Rac8 14.Qb3 Rc7 15.Rfc1 Rfc8 16.Rc4?? (better is 16.Rc7 Rc7 17.Rd1=) 16…dc4–+ (16...dc4 17.Nc4 Rc4–+) 0–1. Lamailloux,Michel – Le Duigou,Jean Guy, FRA AJEC/2406 corr, 1994. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6)

5.Bg2 c5 6.bc5 bc5 7.c4 Nc6 8.0–0 Be7 9.Nc3 0–0 10.d3 Rb8 11.Bf4 d6 12.Rb1 Ba8 13.Qa4 Qd7 14.Bg5 h6 15.Bf6 Bf6 16.Ne4 Bb2 17.Rfd1 f5 18.Ned2 Ne5 19.Qa5 Nc6 20.Qa4 Ne5 21.Qa5 Nc6 22.Qa4 Ne5 ½–½. Bronstein,David – Ivkov,B, Amsterdam izt, 1964. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6)

5.Bg2 c5 6.bc5 bc5 7.c4 Be7 8.Bb2 0–0 9.0–0 Nc6 10.Nc3 a6 11.d3 Qc7 12.e3 d6 13.Ng5 Ne5 14.e4 Nfd7 15.Nh3 Nc6 16.f4 Nd4 17.g4 Rab8 18.Rf2 Bc6 19.g5 Qa5 20.Rc1 Rb7 21.Qg4? (better is 21.Na2–/+) 21...Rfb8–+ 22.Nd1 Qe1 23.Rf1 Ne2 24.Kh1 Qd2 25.Rb1 (25.Ra1–+) 25…Qd3 (25...Rb2?! 26.Rb2 Rb2 27.Nb2 Qb2 28.e5–+) 0–1. Hailparn,Michael – Valentine,Stephen, USA–ch04 corr8082, 1980.

5.Bg2 c5 6.bc5 Bc5 7.c4 d5 8.cd5 Nd5 9.Bb2 0–0 10.0–0 Nc6 11.d4 Be7 12.e4 Nf6 13.Qe2 Rc8 14.Nbd2 Na5 15.Ne1 Qd7 16.f4 Qa4 17.Rf3 Nc6 18.Qd1 Qd1 19.Rd1 Rfd8 20.e5 Ng4 21.Nb3 Nce5 22.fe5 Bf3 23.Bf3 Ne3 24.Rc1 Rc1 25.Bc1 Nc4 26.Nc2 Rc8 27.Bd1 b5 28.Kf2 Rc6 29.Nd2 Bg5 30.Nc4 Bc1 31.Nd6 a6 32.Ne4 Rc4 33.Ke2 Bb2 34.Kd3 Ra4 35.Nc5 Rc4 36.Na6 Ra4 37.Nc7 Ra5 38.Ke4 Ba3 39.Nb5 Rb5 40.Na3 Rb2 41.Nc2 Kf8 42.h4 Rb1 43.Ne3 Rb4 44.Kd3 Rb2 45.Bc2 Ra2 46.g4 Ra1 47.Bd1 Ra2 48.Nc2 Rb2 49.Kc3 Rb1 50.Ne3 Ra1 51.g5 g6 52.Kb2 Ra7 53.h5 gh5 54.Bh5 Kg7 55.Kc3 Ra1 56.d5 ed5 57.Nf5 Kf8 58.Kd4 Rg1 59.Nh6 Rg5 60.Bf7 Re5 ½–½. Bernstein,S – Kornfilt,V, 5.corr ol 1963–68.

5.Bg2 d5 6.Bb2 c5 7.bc5 bc5 8.d3 Nbd7 9.Nbd2 Bd6 10.0–0 0–0 11.c4 d4 12.Rb1 Bc6 13.Ne1 Bg2 14.Kg2 Qc7 15.e4 de3 (15...Rab8 16.f4 Rb6 17.Bc1 Rb1 18.Nb1+=) 16.fe3= Ne5 17.Ndf3 Neg4 18.Nc2 Rad8 19.Qe2 Rd7 20.Rfd1 Rfd8 21.Nce1 h5 22.Bf6 Nf6 23.Rb3 Ng4 24.Rdb1 Qc6 25.Kg1 g6 26.Nh4 Be5 27.Nhf3 Bf6 28.Ng2 Kg7 29.Re1 Qa4 30.Reb1 Qc6 31.Rd1 Ne5 32.Ne5 Be5 33.Kf2 Bf6 34.Nf4 h4 35.g4 (35.gh4 Bh4 36.Kg1 Bf6=) 35...Bg5 (35...Rb7 36.Rb7 Qb7 37.a4+=) 36.h3 (better is 36.Nh3!? Be7 37.Kg1=) 36...Bf4–/+ 37.ef4 Rd4 38.Kg1 Kg8 (38...Rf4?? 39.Qe5 f6 40.Qf4+–) 39.f5 ef5 40.gf5 R4d6 (40...Qd7 41.Qf3 Qf5 42.Qf5 gf5 43.Kf2–/+) 41.Rb2 Qd7 42.Qf3 Rf6 43.Qg4 Rf5 44.Qh4 Rh5 45.Qg4 Rh3 46.Qd7 Rd7 47.Rb5 Rhd3 48.Rd3 Rd3 49.a4 Ra3 50.a5 Kg7 51.Rc5 Ra2 52.Rb5 Ra4 53.Rc5 Ra2 54.Rb5 a6 55.Rd5 Ra4 56.Rc5 f5 57.Kf2 Ra3 58.Kg2 Kh6 59.Rd5 Kg5 60.Kf2 Kg4 61.Rd6 Ra2 62.Kf1 g5 63.Ra6 Kf3 64.Ke1 g4 65.Rb6 Ra5 66.Rb5 Ra1 67.Kd2 f4 68.c5 g3 69.c6 Ra8 70.Rb3 Kg2 71.Ke2 f3! (71...f3 72.Rf3 Ra2 73.Ke3 Ra3 74.Ke4 Rf3–+) 0–1. Real de Azua,Ernesto – Baimoldinov,Aidar, Wch U12 Cannes, 1997. (=1.Nf3 Nf6 2.b4 e6 3.a3 b6)

5.Bg2 Be7

6.0–0 0–0 7.Bb2 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Be7 6.Bg2 0–0 7.0–0).

6.0–0 0–0 7.c4 c5 8.bc5 bc5 9.Nc3 Nc6 10.Rb1 Rb8 11.d3 Ba8 12.Rb8 Qb8 13.Bf4 d6 14.Qa4 Nd7 15.Rb1 Nb6 16.Qd1 Qc7 17.Na4 Nd7 18.Nd2 Nd4 19.Ba8 Ra8 20.Nb3 Nb3 21.Rb3 Rb8 22.Qb1 Rb3 23.Qb3 a6 24.Nc3 Qc6 25.g4 h6 26.h3 Nb6 27.a4 Nd7 28.f3 Bd8 29.Bd2 ½–½. Ivkov – Jansa, 1972.

6.0–0 0–0 7.c4 d6 8.Qc2 Nbd7 9.Nc3 c5 10.bc5 bc5 11.d3 h6 12.Bf4 Nh5 13.Bd2 f5 14.Rab1 Bc6 15.Ng5 hg5 16.Bc6 Rc8 17.Bd7 Qd7 18.Qa4 Qa4 19.Na4 Rb8 20.h3 d5 21.Be3 d4 22.Bd2 e5 23.g4 Nf4 24.Bf4 gf4 25.gf5 Kf7 26.Rb5 Rb5 27.cb5 Rb8 28.Rb1 Kf6 29.b6 ab6 30.Rb6 Rb6 31.Nb6 Kf5 32.a4 e4 33.f3 ed3 34.ed3 Ke6 35.Kf1 Bd8 36.Nc4 Bc7 37.Ke2 Kd5 38.Kd1 Kc6 39.Kc2 Kb7 40.Kb3 Kc6 41.Kc2 Kd5 42.h4 g6 43.a5 Kc6 44.a6 Bb8 45.Kb3 Kd5 46.Nb6 Kc6 47.Nc8 Be5 48.Ne7 Kb6 49.a7 Kb7 50.Ng6 Bf6 51.h5 Bg5 52.Kc4 Ka7 53.Ne5 Kb6 54.Nf7 1–0. Gurgenidze – Schneider, Biel 1994.

6.0–0 d6 7.c4 0–0 8.d3 Nfd7 9.Bb2 Bf6 10.Nc3 Re8 11.Qc2 Nf8 12.e4 Nbd7 13.d4+= Ng6 14.Rfd1 Qc8 15.h4 e5 16.d5 Ndf8 17.c5 Qg4? 18.Nh2 Qc8 19.c6 Ba6 20.b5 Bb5 21.Nb5 a6 22.Nc3 h6 23.Nf1 Ne7 24.Bc1 Nh7 25.Qe2 Rf8 26.Kh2 Kh8 27.Bh3 Qd8 28.Ne3 g6 29.Ng4 h5 30.Nf6 Nf6 31.Bh6 Re8 32.Qf3 Neg8 33.Bg5 Kg7 34.Rab1 Qe7 35.Qe2 Qf8 36.f3 Nh7 37.Bd7 Reb8 38.Be3 Qe7 39.Na2 Nf8 40.Bh3 Ra7 41.Nb4 Rba8 42.a4 a5 43.Nc2 Re8 44.Na3 Raa8 45.Nb5 Reb8 46.Rg1 Nh7 47.Bd7 Qd8 48.Qf2 Ngf6 49.Bh3 Qe7 50.Rg2 Re8 51.Qd2 Qd8 52.Nc7 Qc7 53.Bb6 Qe7 54.Ba5 Qa7 55.Rb5 Nf8 56.Qb4 Qe3 57.Qc3 Qc3 58.Bc3 Ra4 59.Bb4 g5 60.hg5 N6h7 61.f4 ef4 62.gf4 Ng6 63.Bd6 Rae4 64.c7 Rc4 65.Rb8 Rc7 66.Bc7 Re3 67.Rf2 Rd3 68.d6 (68.d6 Nhf8 69.Re8+–) 1–0. Wygrecki,J – Everett,M, Lansing, 1987.

3.Nf3 c5

4.b5 a6 5.c4 d5 (5...ab5 6.cb5 d5 7.g3 Bd6 8.Bg2 Bd7 9.0–0 0–0 10.d4 Bb5 11.Nc3 Bc4) 6.e3 (6.Bb2 ab5 7.cd5 ed5 8.e3 b4 9.ab4 Ra1 10.Ba1 cb4 11.Bb5 Bd7; 6.ba6 Na6 (6...d4 7.ab7 Bb7 8.a4 Nc6 9.d3 Be7 10.Na3 e5 11.Rb1 Qd7) 7.Nc3 d4 8.Nb5 Nc7 9.e3 Nb5 10.cb5 Bd6 11.Bc4 0–0) 6...Be7 (6...ab5 7.cd5 ed5 8.Bb2 Be7 9.Bb5 Nc6 10.0–0 0–0 11.Nc3 Bf5) 7.Bb2 (7.cd5 ed5 8.Qa4 Nbd7 9.Nc3 c4 10.Be2 Nc5 11.Qc2 Nb3) 7...0–0 (7...ab5 8.cb5 0–0 9.Be2 Nbd7 10.0–0 Qc7 11.Nc3 b6) 8.d4 (8.ba6 Na6 (8...Nc6 9.Nc3 d4 10.ab7 Bb7 11.Nb5 e5) 9.d4 (9.Nc3 Nc7 10.Bd3 dc4 11.Bc4 Qd6) 9...Qb6=+ (9...cd4 10.Bd4 Nc5 11.cd5 Nd5) 10.Qc2 Bd7 11.Nc3 cd4; 8.Nc3 ab5 9.Nb5 Nc6 10.Qc2 Bd7 11.Bd3 dc4) 8...cd4 (8...ab5 9.cd5 (9.cb5 Nbd7 10.Nc3 Qc7 11.Be2 cd4) 9...c4 (9...Nd5 10.dc5 Nd7 11.Nc3 Nc5) 10.de6 Be6 11.Be2=+ (11.Nc3 Nc6) 11...Nc6) 9.Bd4 dc4 (9...ab5 10.cb5 Nbd7 11.Be2 Bd6) 10.Bc4 (10.Qa4 Nbd7=+ 11.Nc3 Bd6) 10...ab5–/+ 11.Bd3 (11.Bb5 Nc6) 11...b4 12.a4 Nc6 13.Bb2 Nd5 14.0–0 Bf6 15.Nd4 Bd7 16.Nd2 Nd4 17.Bd4–/+ Bd4 18.ed4 Nc3 19.Qb3 Qb6 20.Nf3 Ba4 21.Qb2 h6 22.Rfc1 Qd6 23.Re1 Bc6 24.Re3 Bf3 25.Rf3 Qd4 26.Rd1 g6 27.Re1 e5 28.Rh3 Ra2 (28...Ra2 29.Qa2 Na2–+) 0–1. Vera,G (2020) – Carvalho,H (2175), I Comunic IRT, Sao Paulo BRA, 2004.

4.b5 b6 5.e3 d5 6.c4 dc4 7.Bc4= Be7 8.Bb2 Bb7 9.0–0 Nbd7 10.Qe2 0–0 11.a4 Qc7 12.h3 h6 13.Rc1 Bd6 14.d4 Rfe8 15.Nbd2 e5 16.Ba2 Qb8 17.de5 Ne5 18.Nh4 Bd5 19.Bb1 Qb7 20.Qf1 Rac8 21.Bc3 Ne4 22.Ne4 Be4 23.Nf5 Bc7 24.Ng3 Bb1= 25.Rcb1 Nd7 26.Ne2 Be5 27.Rc1 ½–½. Stuart,E Leslie – Whitehead,Mark, Isle of Man, 1995.

4.b5 d5 5.e3 a6 6.Bb2 Bd7 7.a4 Be7 8.c4 0–0 9.Nc3 Qc7 10.Qc2 Bc8 11.Bd3 a5 12.Ne2 Nbd7 13.g4 dc4 14.Bc4 Nb6 (better is 14...Ng4!? 15.Rc1 Nge5 16.Ne5 Ne5–/+) 15.Bd3 Nbd5 16.g5 Nb4 17.Qb1 Nd3 18.Qd3 Nd5 19.Qc4 Nb4 20.Nf4 Rd8 21.Qc3 f6 22.Ke2 (22.Rg1 Kf8+=) 22...e5 23.Qc4 Kf8?? (better is 23...Kh8 24.Ne6 Be6 25.Qe6 Nd3–/+) 24.g6+– hg6 25.Ng6 Ke8 26.Qg8 Kd7 27.Qg7 Qd6 28.Ne7 Qe7+/– 29.Qe7 Ke7 30.Rhg1 Kf7 31.Rac1 Bf5 32.Rc5+/– Rdc8 33.Rgc1 Rc5 34.Rc5 Bg4 35.Rc4 Rg8 36.Rc7 Ke6 37.Rb7?? e4+= 38.Rb6 Kd5 39.d4 Bf3–+ 40.Kd2 Rg2 41.Kc3 Rf2 42.Rf6 Na2 43.Kb3 Bd1 44.Ka2 Rf6 45.Ka3 Rf3 46.Bc1 Rf2 47.h4 Rh2 48.h5 Rh5 49.Bd2 Rh3 50.b6 Kc6 51.b7 Kb7 52.Ba5 Re3 53.Kb4 Rb3 54.Kc5 Ra3 55.d5 Ra4 56.Bb4 Rb4! 57.Kb4 Bc2 58.Kc3 Bd3 59.Kd4 Kc7 60.Ke5 e3 61.Ke6 Bb5 62.Ke7 e2 (62...e2 63.Kf6 e1Q 64.Kf5 Bd3 65.Kf4 Kd6 66.Kf3 Be2 67.Kg2 Qf1 68.Kg3 Qf3 69.Kh2 Bf1 70.Kg1 Qg2#) 0–1. Aslan,Ziver – Tunc,Cihan, ch–TUR Kemer–Antalya TUR, 2011. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5)

4.b5 d5 5.e3 Bd6 6.Bb2 Nbd7 7.c4 0–0 8.Be2 Re8 9.Qc2 b6 10.d3 Bb7 11.Nbd2 a6 12.a4 e5 13.e4 d4 14.Nh4 g6 15.g4? Ne4–+ 16.de4 Qh4 17.Qd3 Bf8 18.Bc1 ab5 19.cb5 c4! 20.Nc4 Nc5 21.Qg3 Qg3 22.hg3 d3 23.Bf3 Nb3 24.Rb1 Nd4 25.Bg2 Bc5 26.Bg5? Ra4–+ 27.Nd2 Bb4 28.0–0 Bc8 29.f3 Be6 30.Be3 Nc2 31.Kf2 Ra2 32.Rfd1 Rd8 33.Bb6 Rd6 34.Bc7?? Bc5–+ 35.Kf1 Ne3 36.Ke1 Ng2 37.Kf1 Ne3 38.Ke1 Rd7 39.b6 Bb6! 40.Bb6 Nd1 41.Kd1 Rb7 42.Kc1 Rc2 43.Kd1 Bd7 44.Nf1 Rc6 45.Ne3 Rcb6 46.Rb6 Rb6 47.Nd5 Rd6 48.Kd2 Rd5! 49.ed5 Bb5 50.d6 Kf8 51.g5 Ke8 52.f4 e4 53.g4 Kd7 0–1. Sanchez Rodajo,P (1715) – Sanchez Millan,E (1975), II Patrimon Open, Alcala de Henares ESP, 2007.

4.b5 Be7 5.e3 d5 6.c4 Qa5 7.Bb2 0–0 8.Be2 dc4 9.Bc4 Nbd7 10.Nc3 Nb6 11.Be2 Nfd5 12.Qb3 Bd7 13.Ne5 Nc7 14.Nd7 Nd7 15.Ne4 Nb5?? 16.Bb5 Nb6 17.Bc3 Qc3 18.dc3 a6 19.Bd3 c4 20.Qb6 cd3 21.Qb7 Rfe8 22.0–0 f5 23.Nd2 Bf6 24.Rac1 a5 25.Qd7 Rad8 26.Qb5 Rd5 27.Qe8# 1–0. Mueller,P – Zimmer,Georg, corr SOK–89–43, 1989.

4.g3 cb4–/+ 5.Bg2 d5 6.Bb2 Nc6 7.0–0 Be7 8.ab4 Bb4 9.e4 (9.c4 dc4 10.Qc2 Bd6–/+) 9...0–0 10.e5 Nd7 11.c3 Be7 12.Qe2 Qc7 13.c4 Nb6 14.Na3 Ba3 (14...Qd7 15.Rfb1–/+) 15.Ba3+= Nc4 16.Bf8 Kf8 17.Rfe1 Bd7 18.d3 Nb6 19.Reb1 Be8 20.Qb2 Rb8 21.Ra3 Nc8 22.d4 b5 23.Rc3 Qb6 24.Rc5 b4 25.Bf1 a5 26.Bb5 (26.Qc2 Kg8=) 26...Ne5= 27.Ne5 Bb5 28.Qc2 Ne7 29.Qh7 Be8 30.h4 (30.Qh8 Ng8=) 30...f6 (30...a4 31.Qh8 Ng8 32.Rbc1+=) 31.Qh8= Ng8 32.Nd3 Bg6 (better is 32...b3 33.Rbc1 Qd8=) 33.Rbc1+/– Kf7?? (better is 33...Re8+/–) 34.Rc8+– Rc8 35.Rc8 Bd3 36.Rg8 Ke7 37.Rg7 Kd6 38.Qf8 (38.Qf8 Kc6 39.Qe8 Kd6 40.Qd7) 1–0. Hoti,Nimon – Woldseth,Ole, NOR–chT, 2000. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5)

4.bc5 Bc5

5.Bb2 Qb6–/+ 6.d4?? (better is 6.Qc1 Bf2 7.Kd1–/+) 6...Qb2–+ 7.Nbd2 Bd4 (7...Ba3 8.Rb1 Qc3 9.Rb3–+) 8.Rb1 Qc3 9.Rb3 Qc5 10.e3 (10.Nd4 Qd4 11.e3 Qc5–+) 10...Bc3 11.Bd3 b6 12.0–0 Bd2 (12...d5 13.Nc4 dc4 14.Rc3–+) 13.Qd2 Ba6 (13...0–0 14.Rc3 Qh5 15.Nd4–+) 14.Rc3 Qd6 (14...Qh5 15.e4–+) 15.Ba6 (15.e4 Qf8 16.Rd1–+) 15...Qd2 16.Rc8 Ke7 17.Rh8 Qd5 (17...Qc2?! 18.Bb7 Qb2 19.Ba8–+) 18.c4 Na6 (18...Qc6 19.Rc8 Qe4 20.Nd2 Na6 21.Ne4 Rc8 22.Nd2–+) 19.cd5 Rh8 0–1. Tangborn,Eric – Yamanaka, 1980. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.Bb2 Nc6 6.c4 0–0 7.d4 Bb6 8.e3 d5 9.Nbd2 Ba5 10.cd5 (10.Rc1 Qb6 11.Bc3 Bc3 12.Rc3 Qc7+=) 10...Nd5 (10...ed5 11.Bd3=) 11.Bd3 a6 12.0–0 b5 (12...Bd7 13.Nb3+=) 13.Qc2+/– Bb7 14.Bh7 Kh8 15.Bd3 Rc8 16.Qd1 Nc3 17.Bc3 Bc3 18.Ra2 Bd2 19.Qd2 Na5 20.Ne5 Kg8 21.Rc2 Qg5 (21...Rc2 22.Qc2 Qd6 23.Qc3+–) 22.f4+– Rc2 23.Qc2 (23.fg5?? Rd2 24.Rf2 Rf2 25.Kf2 Rc8–+; 23.Bc2?! Qd8+–) 23...Qe7 24.Qc3 Qd8 25.a4! ba4 26.Ra1 f6 27.Ng6 (27.Ra4?! fe5 28.Qa5 Qa5 29.Ra5 ef4=) 27...Rf7 28.Ra4 (28.Ra4 Qd5 29.Nh4+–) 1–0. Perea Montero,LA – Kage,B, corr ICCF, 1990. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.Nc3 0–0 6.e3 d5 7.d4 Bd6=+ 8.Nb5 Be7 9.c4 Nc6 10.cd5 ed5 11.Bd3 Ne4 12.Bd2 Bf5=+ 13.Qb1 Nd2 14.Nd2= Bd3 15.Qd3 a6 16.Nc3 b5 17.Qf5 Ba3? 18.Ra3= b4 19.Rb3 bc3 20.Rc3 Rc8 21.Nb3 Re8 22.Rc5 (22...Qh4 23.0–0+=). Jacewicz,Grzegorz – Pane (+), corr 3GMM–27, 1995.

5.c4 0–0 6.e3 b6 7.Bb2 Bb7 8.Nc3 d5 9.cd5 Nd5 10.Be2 Nd7 11.Qb1 Be7 12.Ne4 N5f6 (12...f5 13.Nc3+=) 13.Nf6= Bf6 14.Bf6 Qf6 (worse is 14...gf6 15.d4+=) 15.d4 e5 16.0–0 ed4 17.Nd4 Nc5 18.Qf5 Qf5 19.Nf5 Rfd8 20.Nd4 Bd5 21.Rac1 ½–½. Pesotsky,V (2320) – Folk,P (2210), Czech Open A, Pardubice CZE, 2009. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.c4 Qa5 6.e3 Nc6 7.Bb2 Be7 8.Be2 d5 9.0–0 dc4 10.Bc4 b5 11.Be2 Bb7 12.a4 (12.Bc3 Qb6=) 12...b4 13.d4 Qd5 (13...0–0 14.Qd3+=) 14.Nbd2= Na5 (14...0–0 15.Re1=) 15.Bb5 Bc6 16.Qe2 Rb8 17.Bc6 Nc6 18.e4 Qd8 19.Rac1 Na5 20.d5 ed5 21.Bf6 Bf6 22.ed5 Kf8 23.Ne4 Qd5? (better is 23...Kg8+/–) 24.Rfd1 (24.Rfd1 Qe6 25.Qc2+/–; 24.Nf6?! gf6 25.Rc7 Kg7+=) 1–0. Rodriguez – Bass, Salta, 1993. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.d4 Bb6 6.c4 0–0 7.Bg5 d5 8.e3 Nc6 (8...h6 9.Bh4= (9.Bf6 Ba5 10.Nbd2 Qf6 11.cd5 ed5 12.Qb3=; 9.Bf4 Ba5 10.Nbd2 Bc3 11.Ra2 Ne4 12.Rc2=) 9...Nc6 10.Nbd2 Ba5 11.Rc1 Re8 12.Bd3+=; 8...Ba5 9.Nbd2 (9.Nfd2 Qb6 10.Qc2 Nbd7 11.Nc3 Qc6 12.Rc1=) 9...h6 10.Bh4 Nc6 11.Rc1 Re8 12.Bd3+=) 9.Nbd2+= (9.cd5 ed5 10.Qb3 Be6 11.Bd3 Rc8 12.0–0=) 9...h6 (9...Ba5 10.Rc1 h6 11.Bh4 Bd7 12.cd5+=) 10.Bh4 Bc7 11.Bd3 (11.cd5 ed5 12.Qb3+=) 11...Qd7 (11...Re8 12.0–0+=; 11...dc4 12.Nc4+=) 12.Bf6+/– gf6 13.cd5 ed5 (13...Qd5 14.Be4 Qd6 15.Nc4+/–) 14.0–0 Qd6 (14...Re8 15.Rc1+/–) 15.Qb1 Be6 (15...Re8!?+/–) 16.Qb7+– Rab8 17.Qa6 Rb6 18.Qa4 Rb7 (18...Rfb8 19.Rfb1+–) 19.Rab1 Bb6 20.Rfc1 Ne7 (20...Rc7 21.Rc2+–) 21.Nb3 Bd7 22.Qb4 Qb4 23.ab4 Rc7 (23...Rfb8 24.Ra1+–) 24.Rc7 Bc7 25.Nc5 Bg4 26.h3 Bc8 (26...Bf3 27.gf3 Rc8 28.Ra1+–) 27.Rc1 (27.Ra1 Bb8+–) 27...Rd8 (27...Nc6 28.b5 Nb4 29.Be2+–) 28.Nh4 (28.b5 Bf5+–) 28...Bd6 29.Ra1 Bb8 30.g4 (30.b5 Kg7+–) 30...h5 31.Nf5 (31.gh5 Kg7+–) 31...Nf5 32.Bf5 hg4 33.Bc8 Rc8 34.hg4 1–0. Rosner,Dirk – Marshall, corr SOK–98–E003A, 1998.

5.d4 Bb6 6.e3 0–0 7.Bd3 Nc6 8.0–0 d6 9.Bb2 (9.c4 e5 10.Nc3 ed4 11.Nd4 Ne5 12.Be2=; 9.Nbd2 e5 10.Bb2 Re8 11.de5 de5 12.Qb1=; 9.Qe2 e5 10.de5 de5 11.Nc3 Qe7 12.Ng5=) 9...Re8 (9...d5 10.Nbd2 Bd7 11.c4 Rc8 12.Rc1+=) 10.e4 (10.c4 e5 11.d5 Ne7 12.Nc3=) 10...e5 11.d5 Ne7 12.Nbd2 (12.Bb5=) 12...Bg4 13.Bb5 Rf8 14.h3 Bh5 15.Qe2 (15.g4 Bg6 16.Nh4 Rc8=) 15...Rc8 16.Rfc1 Ng6 17.Qd3 Nf4 18.Qb3 a6 (18...Nd7 19.Qb4 Nc5 20.a4–/+) 19.Bf1 Qd7?? (better is 19...Nd7 20.g3 Nc5–/+) 20.Qb6+– Rb8 (20...Bf3 21.gf3 Ne8+–) 21.Ne5! de5 22.Be5 Rbe8 (22...Ne2 23.Be2 Be2 24.Qe3+–) 23.Bf4 Ne4 24.Ne4 (24.c4 f5+–) 24...Re4 25.Bd6 Rfe8 (25...Rd8 26.Bc7 Rde8 27.Bd3+–) 26.Bd3 Rh4 27.Re1 Re1 (27...f5+–) 28.Re1 f6 29.Bf5 Qa4 30.Qd8 Kf7 (30...Be8 31.Re8 Qe8 32.Qe8) 31.Qf8# 1–0. pozarski (1995) – Arien3, GameColony.com, 2002.

5.d4 Bb6 6.Bf4 d5 7.e3 Bd7 8.Bd3 Nc6 9.0–0 0–0 10.c4 dc4 11.Bc4 h6 12.Nc3 Re8 13.Qb1 (13.Rc1!?+=) 13...Rc8= 14.Qd3 Bc7 15.Bc7 Qc7 16.Nb5 Qb8 17.Rfc1 a6 18.Nc3 e5 19.Nd5 e4 20.Nf6 gf6 21.Qb3 Re7? (better is 21...ef3!? 22.Bf7 Kh8 23.Be8 Re8+=) 22.Nd2+/– f5 23.Qb6 Qa7 24.Qb2 b5 25.Ba2 Ree8 26.a4 Ne7 (26...ba4 27.Qa3 Nd4 28.ed4 Rc1 29.Rc1 Qd4 30.Qg3 Kf8 31.Nf1+=) 27.Qa3 ba4 28.Qd6 (28.Nc4!? Kg7 29.Nd6 Rc1 30.Rc1+–) 28...Ng6?? (28...Qb7 29.Qg3 Kf8=) 29.Qg6+– 1–0. capablancaven – dynamind795 (1700), gameknot.com, 2011.

5.d4 Bb6 6.Bg5 h6 7.Bh4 d5 8.e3 (8.Qd3 g5 (8...Ba5 9.c3 Nc6 10.Bf6 Qf6 11.e4 Bd7=; 8...Nc6 9.e3 Ba5 10.c3 g5 11.Bg3 Ne4=) 9.Bg3 Ne4 10.e3 Ba5 11.c3 Nc6+=) 8...0–0 (8...Ba5 9.c3 g5 10.Bg3 Ne4 11.Qb3 Nc6=; 8...Nc6 9.Bd3 Ba5 10.c3 Qb6 11.Ra2 Bd7+=) 9.Bd3 (9.c4 Ba5 10.Nbd2 Bc3 11.Rb1 g5+=) 9...Nbd7 (9...Nc6 10.Nbd2 (10.0–0= Bc7 11.c4 dc4=) 10...Ba5 11.0–0 Bc3+=; 9...Ba5 10.c3 Nbd7 11.0–0 a6=) 10.Nbd2 (10.0–0 Bc7 11.Nbd2 e5=) 10...Re8 (10...Ba5 11.0–0 Bc3=) 11.Ne5 (11.c4 e5=) 11...Ba5 (11...Qc7+=) 12.0–0 (12.Rb1 Qc7 13.Nd7 Nd7= (13...Qd7? 14.Bb5 Qe7 15.Bf6 gf6 16.Be8 Qe8 17.0–0+–)) 12...Bd2 (12...Ne5 13.de5 Bd2 14.Bf6 gf6 15.ef6=) 13.Qd2 Ne4 (13...Ne5 14.de5 Ne4 15.Bd8 Nd2 16.Rfd1=) 14.Be4 Qh4 15.Bd3 Ne5 16.de5 Bd7 17.f4 (17.Qb4 Qb4 18.ab4 a6=) 17...Rac8 18.Rab1 b6 19.Rb4 Qe7 20.f5 (better is 20.e4!?=) 20...ef5–/+ 21.Bf5 Bf5 22.Rf5 Qe6 23.Rbf4 Rc7 24.Qf2 Rec8 25.Rf6? (better is 25.Qf3–/+) 25...gf6–+ 26.Qg3 Kf8 (better is 26...Kh7 27.Rf6 Qe7–+) 27.Rf6–/+ Qe7 28.Rh6 Ke8 29.Qg8?? (better is 29.Qh3 Qe5 30.Rh8 Ke7 31.Rc8 Rc8 32.Qc8 Qe3 33.Kf1 Qa3 34.Qc7 Ke6 35.Qc8 Ke5 36.Qe8 Kd4 37.Qh8 Kc4 38.Qc8 Qc5 39.Qd7–+) 29...Qf8–+ 30.Qh7 0–1. Tripp – Baniki, USA, 1990. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.e3 a6 6.d4 Ba7 7.c4 b5 8.cb5 ab5 9.Nc3 Ba6 10.Bd2 b4 11.ab4 Bf1 12.Rf1 Nc6 13.b5 Na5 14.e4 Nc4 15.e5 Nd5 16.Nd5 ed5 17.Ra6 Qc7 18.Qa4 0–0 19.Bb4 Rfc8 20.Bc5 Nb2 21.Qa3 Bc5 22.dc5 Nc4 23.Qc3 Qc5 24.Ra8 Ra8 25.Nd2 Ra3 26.Qc2 Qb5 0–1. player27 – Redbaron, playchess.de, 2001.

5.e3 b6 6.Bb2 0–0 7.d4 Be7 8.c4 Bb7 9.Bd3 Ne4 (9...d5 10.cd5 Qd5 11.Nbd2=) 10.Nc3 f5 11.Qc2 (11.0–0 Qc7=) 11...d5 (11...Nf6 12.Qe2=) 12.cd5 (12.0–0 Bd6+=) 12...ed5 (12...Nc3 13.Bc3 Bd5 14.e4 fe4 15.Be4=) 13.Qb3 (13.0–0 Ba6+=) 13...Nc3 14.Bc3 Nd7 (14...Nc6 15.0–0+=) 15.a4 (15.0–0 Rc8+=) 15...Rc8 16.a5 Qc7 (16...a6 17.0–0+=) 17.Bd2 g6 (17...a6 18.ab6 Nb6 19.Rb1+/–) 18.0–0+/– Bc6 19.Rfc1 Qd6 20.ab6 ab6 21.Bc3 Ra8 22.Ne5 Ne5 23.de5 Qc7 24.Bd4 (24.Ra8 Ra8 25.Bd4 Ra3+/–) 24...Ra1 25.Ra1 (25.Ba1 Bc5+/–) 25...Bc5 26.Rc1 Bb7 (26...f4 27.Be2 Ba8 28.e4+=) 27.Qc3 (27.Be2 Qe7+/–) 27...Ra8 (27...f4 28.ef4 Rf4 29.Bc5 bc5 30.Qc5 Qe5 31.Rb1+=) 28.h4 Qe7 29.Bc5 bc5 30.Qc5 Qe5 (30...Qh4?? 31.Rb1 f4 32.Rb7 fe3 33.Qd5 Kh8 34.Qf7 (34.fe3?! Qe1 35.Bf1 Qe3 36.Kh2 Qf4 37.g3 Qf1=) 34...ef2 35.Qf2 Qf2 36.Kf2+–) 31.Qb6 Ra1 32.Ra1 (32.Bb1 Qe7+=) 32...Qa1+= 33.Bf1 Ba8 34.Qe6 Kf8 (34...Kg7 35.Qe7 Kg8 36.h5+=) 35.h5 (35.Qd7 Kg8+=) 35...Kg7 36.hg6 ½–½. Roldan,Antonio Jose (2055) – Thayer,Charles (2005), IECC, 1998. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.e3 b6 6.Bb2 Bb7 7.g4 0–0 8.g5 Ne8 9.Rg1 Be7 10.Bd3 f5 11.gf6 Bf6 (11...Nf6? 12.Ng5 e5 13.Be5+–) 12.Ne5 Be5 13.Be5 Bf3 14.Be2 Be2 15.Qe2 Nc6 16.Bb2 Qh4 17.Nc3 (17.Rg2 d5+=) 17...Ne5 18.0–0–0 (better is 18.Rg2!?+=) 18...Rf2–+ (worse is 18...Qf2 19.Qf2 Rf2 20.Ne4+=; worse is 18...Qh2 19.Rh1 Qf2 20.Rdf1 Qe2 21.Rf8 (21.Ne2? Rf1 22.Rf1 Nc4–+) 21...Kf8 22.Ne2–/+) 19.Qb5 Rf5 (19...d6!?–+) 20.e4–/+ Rh5 21.d4 Nf3 22.Qd7 Qf4 23.Kb1 Ng1 24.Qe6 Qf7 25.Qc6 Rd8 26.Rg1 Rd6 27.Qa8 Rh2 28.Nd5 Rg6 (28...Rf2 29.Ne3 Rg6 30.Rg6 Qg6 31.e5–/+) 29.Rd1 (29.Rg6!? hg6 30.Bc1+=) 29...h6 30.Ne3 Kh7 31.e5 Qf4 32.Rd3 (32.Bc1 Nc7 33.Qd8 Nb5–+) 32...Re2 33.Qe8 Re3 34.Rd1 Qe4 35.Qf7 b5 36.d5? (better is 36.Qa7 Rc6 37.Rc1–+) 36...Rg2 37.Rc1 Re1 38.Qc7 Rc1 39.Bc1 Qd5 0–1. Fries Nielsen,JO (2400) – Siebrecht,S (2430), 12th IHEM, Hamburg GER, 2009. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.e3 b6 6.Be2 Bb7 7.0–0 0–0 8.c4 d5 9.Bb2 dc4 10.Bc4 Nbd7 11.d4 Bd6 12.Nbd2 Rc8 13.Bd3 Be7 14.e4 (14.Qe2!?+=) 14...Nc5+= 15.Qe2 Nd3 16.Qd3 Qc7 17.Rfc1 Qf4 18.Re1 Qc7 19.Rac1 Qd7 20.Rc8 (20.Ne5!? Qa4 21.f3+=) 20...Rc8–/+ (20...Qc8?! 21.Ne5=; 20...Bc8?! 21.Rc1 Bb7 22.Ne5=) 21.d5 (21.Qb3!?–/+) 21...ed5 22.Bf6 Bf6 (worse is 22...gf6 23.ed5 Rc5 24.Qe3+=) 23.e5 Be7 24.Nd4 Qa4 25.N2b3 (25.Ra1 Bb4! 26.Qb3 Qb3 27.N2b3 Bc3–+) 25...Qc4 (25...Qa3 26.Qf5 Qb4 27.Rb1–+) 26.Qf5 Qc3 27.Rd1 g6 28.Qg4 h5 29.Qf4 Qc7 (29...Ba3 30.e6 Rf8 31.Qf6–/+) 30.Re1 Re8 (30...Ba3 31.Nb5 Qc4 32.N3d4–+) 31.h4 (31.Rc1 Qb8 32.Ra1 Rc8–/+) 31...Bf8 (31...Ba3 32.Nb5 Qc4 33.N3d4=) 32.Qg5 Be7 33.Qg3 Bc8 34.Rc1 Bc5 35.Kh1 Re5 36.Nc5+= bc5 37.Nb5?? Qe7–+ 38.Na7 Bd7 39.a4 Re4 40.Qb8 Kh7 41.a5 Re1 42.Re1 Qe1 43.Kh2 Qa5 44.Qf4 Be6 45.Nc6 Qb6 46.Ne5 Qb4 47.Qg5 Kg7 48.Nf3 f6 49.Qe3 Qb6 50.Qf4 Qd8 51.g3 d4 52.Qe4 Bd5 53.Qf4 Bf3 54.Qf3 Qc7 55.Qh5 Kg8 (55...Kg8 56.Qg6 Qg7=; 55...gh5 56.Kg2 d3 57.Kg1 d2 58.f4 d1Q 59.Kh2 Qb7 60.g4 Qg4 61.f5 Qbg2#) 0–1. Dominguez,JM (2345) – Irwanto,Sadikin (2440), 38th Olympiad, Dresden GER, 2008. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.e3 Nc6 6.d4 Be7 7.c4 d5 8.Nbd2 Qa5 9.Bb2 0–0 10.Bd3 (10.Be2 dc4 11.Bc4 Rd8 (11...b5 12.Bd3 Bb7 13.0–0 Rfc8 14.Rc1 Rc7=) 12.0–0 Bd7 13.e4 Qh5 14.Bd3 Rac8=; 10.Qb3 Ne4 (10...Bd6 11.c5 Be7 12.Bd3 Qc7 13.0–0 Rb8 14.Rab1 b6=) 11.Bd3 Rd8 (11...Nd2 12.Nd2 dc4 13.Qc4 Bd7 14.Qb5 Qd8=) 12.Qc2 f5 13.0–0 Bd7 14.Rfc1 Rac8=; 10.cd5 ed5 11.Bd3 Ne4 (11...Be6 12.0–0 Rac8 13.Rb1 Rfe8 14.Nb3 Qc7=) 12.Qc2 f5 13.0–0 Be6 14.Rfd1 Qb6=) 10...dc4 11.Bc4 e5 (11...b5 12.Bd3= Bb7 13.0–0 Rfc8 14.Rc1 Rc7=; 11...Rd8 12.0–0 Bd7 13.Rc1 Rac8 14.Qb3 Qh5=) 12.0–0 (12.Ne5 Ne5 13.de5 Ne4+= 14.f3 b5+=) 12...Rd8 (12...ed4 13.Nd4 Nd4 14.Bd4= Rd8=) 13.Ng5 (13.Qb3 e4 (13...ed4 14.Bf7 Kf8 15.ed4 Bd6+/–) 14.Bf7 Kf8+/–) 13...Bg4 (13...Nd5 14.Nb3 Qa4 15.Nf7 Qc4 (worse is 15...Kf7 16.Qf3 Ke6 17.Rfc1+–) 16.Nd8 A) worse is 16...Bd8 17.Rc1 (worse is 17.de5 Be6=) 17...Qa4 18.de5+=; B) 16...Nd8 17.de5 Nc6=) 14.Qc2 (14.Nb3 Qa4+/–) 14...Bh5? (better is 14...ed4 15.Nf7 Rd5+/–) 15.Nb3+– Qa4 16.de5 Bg6?? (better is 16...Ne5 17.Be5 Bg6 18.Bf7 Bf7 19.Bf6 Bf6 20.Qh7 Kf8 21.Nf7 Kf7+–) 17.Bf7! Bf7 18.ef6 (18.Nf7 Kf7 19.ef6 Bf6 20.Bf6 Kf6 21.Qc3 Kg6+–) 18...Bg6 19.f7! Kh8 (19...Bf7 20.Qf5 (20.Qh7)) 20.Qc3 Bf8 21.Ne6 Bf7 22.Nbc5 (22.Nbc5 Qg4 23.Nd8 Nd8 24.Rac1+–) 1–0. Santasiere,Anthony – Draxl,Juege, Kitchener Ontario, 1960.

5.e3 d5 6.d4 Bd6 7.Nbd2 (7.c4 0–0=) 7...Qa5 (7...0–0 8.Bd3+=) 8.Bd3= Qc3 (8...Nc6 9.0–0=) 9.Ra2 Nbd7 (9...Nc6!?=) 10.Bb2+= Qc6 11.0–0 Nb6 12.Qe2 a6 (12...0–0 13.c4 dc4 14.Nc4 Nc4 15.Bc4+=) 13.c4 (13.Ne5 Qc7 14.c4 dc4 15.Bc4 Qe7+/–) 13...Na4 (13...dc4 14.Bc4 0–0 15.Rc1+/–) 14.Ba1 (14.Ne5 Qc7 15.Ndf3 Nb2 16.Qb2 0–0+/–) 14...0–0 15.c5 (15.Rc2 Qd7+/–) 15...Be7 (15...Bc7!?+=) 16.Ne5+/– Qc7 17.Bc2 Qa5? (17...b5 18.c6+/–) 18.Qd3 (18.Qd1 Nc5 19.dc5 Qc5+–) 18...b5? (18...g6 19.c6+/–) 19.g4 (better is 19.cb6 Bb7 20.Qb3 Nb6 21.Rb1+–) 19...g6+/– 20.f3 (20.g5 Nh5 21.Ndf3 Qd8+–) 20...Qc7 21.g5 (21.c6 Ne8+/–) 21...Ne8 (better is 21...Nd7!? 22.Nd7 Bd7=) 22.f4+/– f6? (better is 22...Ng7+/–) 23.Ng6+– hg6 (23...Bc5 24.Nf8 Bf8+–) 24.Qg6 Ng7 25.Qh7 (25.Qh7 Kf7 26.Bg6) 1–0. Schindler,Rudolf – Poeltelt,H (1730), Berlin GER, 2012. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5)

5.d4 Be7

6.c4 b6 7.Nc3 Bb7 8.d5 Bc5 9.e4 Ng4 10.Bg5? (10.Ra2!? Qf6 11.Nb5=) 10...Nf2 11.Bd8 Nd1 12.Rd1 (12.Na4!? Ne3 13.Nc5 bc5 14.Rb1 Bd5 15.Bc7+=) 12...Kd8–/+ 13.Ne5 Ke7 14.Nb5 d6 15.Nd3 Na6 16.Be2 e5 17.Kd2 Bc8 18.Rhf1 Bd7 19.Nc5 Nc5 (19...bc5?! 20.Rf3+=; 19...dc5?! 20.d6 Ke8 21.Kc3=) 20.Nc3 h5 21.Rb1 g6 22.Bd3 h4 23.Bc2 Rac8 24.Nb5 a6 25.Rf7 (25.Nc3!? Rb8 26.Rf2–/+) 25...Kf7–+ 26.Nd6 Kg7 27.Nc8 Rc8 (worse is 27...Bc8 28.h3–/+) 28.Rb6 Rf8 29.Ke3 Rf1 (29...h3 30.gh3 Rh8 31.h4–+) 30.Ke2? (better is 30.Rb1 Rb1 31.Bb1–+) 30...Rg1 31.Kf2 Rc1 32.Rb2 Ba4 33.Ba4 (33.Bb1–+) 33...Nd3 (33...Na4?! 34.Rb7 Kf6 35.Rc7–+) 34.Ke3 Nb2 35.Kd2 Rc4 (35...Na4?! 36.Kc1 Nc5 37.Kd2–+) 36.Bb3 (36.Bc2 Na4–+) 36...Re4 0–1. Palmi,H (2075) – Pap,M (2485), 4th Arber Open, 2015. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.c4 b6 7.Bg5 0–0 (7...Bb7 8.e3 0–0 9.Bd3 d5 10.cd5 Nd5 11.Be7 Qe7 12.Nbd2 Nd7 13.0–0 Rac8 14.Qa4=; 7...d5 8.cd5 Qd5 9.Nc3 Qa5 10.Bd2 Qf5 11.h3 Nd5 12.Ne5 Nc3 13.Bc3 0–0 14.g4+=; 7...Nc6 8.e3 d5 9.cd5 Qd5 10.Bd3 Bb7 11.0–0 Rc8 12.Nbd2 0–0 13.Qb1 h6 14.Bf6=) 8.Nbd2 (8.e3 d5 9.Bf6 Bf6 10.Bd3 Bb7 11.Qc2 dc4 12.Bh7 Kh8 13.Be4 Be4 14.Qe4=; 8.Nc3 d5 9.Bf6 Bf6 10.cd5 ed5 11.e3 Nc6 12.Bb5 Ne7 13.0–0 Be6 14.Rc1+=) 8...Bb7 9.e3 Ne4 (9...d5 10.Bd3 dc4 11.Nc4 Nbd7 12.0–0 Rc8 13.Bf4 Bd5 14.Nfd2=) 10.Be7 (10.Ne4 Be4 11.Bd3 f5 12.Bf4 Nc6 13.0–0 Rc8 14.c5+=) 10...Qe7 11.Ne4 Be4 12.Bd3 Bd3 (12...f5 13.0–0 (13.Be4 fe4 14.Nd2=) 13...Nc6 14.Be4=) 13.Qd3+= Nc6 14.0–0 Rac8 15.Rac1 (15.Rfe1 d5=) 15…Na5 ½–½. Godes,D (2310) – Bar,R (2410), 16th Maccabia IM, Tel Aviv ISR, 2001. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.c4 d5 7.e3 Bd7 8.Bd3 dc4 9.Bc4 0–0 10.0–0 Bc6 11.Ne5 Bd5 12.Qb3 Qc7 13.Nd2 Nc6 14.Nc6 Bc6 15.f4 b5 16.Be2 (16.Bb5? Rab8 17.a4 a6–+) 16...Rab8 17.Bf3 Rfc8 18.Bb2 Bf3 19.Nf3 Qc2 20.Qc2 Rc2 21.Rf2 Rbc8 22.Ne1 Rf2 23.Kf2 Ng4 24.Kf3 Nh2 25.Ke2 Bh4 26.Kd3 Ng4 27.Nf3 Nf2 28.Kd2 Ne4 (better is 28...Bg3–/+) 29.Kd3= Nf2 30.Kd2 Be7 31.Rc1 Rc1 32.Bc1 Ne4 33.Kd3 Nd6 (33...f5!?–/+) 34.Ne5+= Nc8 35.Nc6 Bd6 36.e4 Kf8 37.e5 Bc7 38.Ke4 Ke8 39.d5 Kd7 40.de6 fe6 41.Nd4 a6 42.g4 g6 43.f5 gf5 44.gf5 ef5 45.Kf5 Ne7 46.Kf6 Nd5 47.Kf5 Ne7 48.Kf6 Nd5 ½–½. Stanciu,Ad (2000) – Rosca,Constantin, 1st Gaudeamus Cup, 2011. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.Nbd2 0–0 7.e3 Nc6 8.Bd3 d5 9.0–0 Bd7 10.Qe2 Rc8 11.e4 Nh5 12.Nb3 f5 13.ed5 ed5 14.Ne5 Nf6 15.Re1 Bd6 16.Nd7 Qd7 17.Qe6 Qe6 18.Re6 Ne8 19.Bb2 Rd8 20.Re2 Nc7 21.Rae1 b5 22.f3 Rf7 23.c3 a6 24.Bc1 Rdf8 25.Bc2 Re7 26.Re7 Ne7 27.Nc5 Ng6 28.g3 Rf7 29.Kf2 Rf6 30.Bg5 Rf7 31.h4 f4 32.g4 Nh8 33.h5 g6 34.Bd8 gh5 35.gh5 Bc5 36.dc5 Kg7 37.Be7 Kh6 38.Bd6 Kh5 39.Rh1 Kg5 40.Bh7 Rd7 41.Bd3 d4 42.cd4 Ne6 43.Rh8 Nd4 44.Be5 Ne6 45.Rg8 Kh5 1–0. COMP – COMP, 2001.

6.Nbd2 d5 7.e3 0–0 8.c4 b6 9.Bb2 Bb7 10.cd5 ed5 11.Bd3 Bd6 12.0–0 (12.Rc1 Ba6 13.Bf5 Qe7= 14.Qb3 Nbd7 15.Qa4=; 12.Ne5 Qe7 13.Qf3 Ba6 14.Bf5 Re8 15.Ra2=; 12.Qb3 Ba6 13.Rc1 Bd3 14.Qd3 Qe7 15.0–0=) 12...Re8 (12...Ba6 13.Qe2 (13.Qc2 Bd3 14.Qd3 Nbd7 15.a4=) 13...Bd3 14.Qd3= Nc6 15.Rac1=) 13.Ne5 (13.Qa4 Qd7 14.Qd7 Nbd7= 15.Nh4=) 13...Nbd7 (13...Ba6 14.Ndf3 Ne4 15.Ba6=) 14.Ndf3 Rc8 15.Qa4 (15.Qb1 Ne4=; 15.Qb3=) 15...a6 16.Rfc1 (16.Ba6 Ra8 17.Qd7 Nd7 18.Bb7 Be5 19.de5 Ra7+=) 16...b5 17.Rc8 Qc8 (17...Bc8 18.Qc2=) 18.Qa5 Bc7 19.Qb4 Ne4 20.Rc1 Nb6 21.Qb3 Nc4 22.a4 (22.Be4 de4 23.Nc4 A) worse is 23...ef3 24.Nd6 Qd7 25.Rc7 (25.Nb7 Qg4 26.Kf1 Qg2 27.Ke1 Qg1 28.Kd2 Qf2 29.Kc3 Re3 30.Kb4 Qd2 31.Kc5 Rb3–+; 25.Ne8 Qg4 26.Qf7 Kf7 27.Rc7 Ke8 28.g3 Qh3 29.Rc8 Bc8 30.e4 Qg2) 25...Qc7 26.Ne8=; B) 23...Bd5=) 22...Ned6 (22...ba4 23.Qa2 Nb2 24.Be4+=) 23.ab5 (worse is 23.Bc4 A) worse is 23...Nc4 A1) worse is 24.Nc4 dc4 (24...bc4?! 25.Qc2+=) 25.Qd1 b4–/+; A2) 24.ab5 Bd6 25.Nc4 dc4 26.Rc4+=; B) 23...dc4 24.Qa2 f6–/+; 23.Nc4? dc4 (23...bc4?! 24.Qc2+=) 24.Qc3 Bf3 (24...cd3?! 25.d5 Qg4 26.h3–/+) 25.gf3 cd3–+) 23...ab5 24.Qc2 (24.Ng5 h6 25.Ngf3 Qe6=) 24...g6 (24...Ne4 25.Ba1= (worse is 25.Bc4 dc4 26.Ne1 Nd6–/+)) 25.Bc3 (25.Be2 Qf5+=) 25...Kg7 (25...Qe6 26.Be2=) 26.Bb4+= Ne4 27.Be2 (worse is 27.Bc4 dc4 28.Ba3 f6+=) 27...Qe6 28.Nd3 Ra8 29.Qb1 Qa6 30.Nc5 Nc5 31.dc5+= Bc6 32.Nd4 Be5 33.Bf3 Qb7 34.Bc3 Kg8 35.Qd3 Ra3 36.Nc6 Qc6= 37.Bd5 Qc5 38.Bc4 bc4 39.Qd8 Kg7 40.Be5 Qe5 41.Qd1 c3 42.g3 Qe4 43.Qd6 Ra4 44.Qf4 Qf4 ½–½. Rosner,Dirk (2180) – Hnatovsky,Nicholas (2150), IECG, 2000.

6.Nbd2 d5 7.e3 0–0 8.Bd3 b6 9.0–0 Ba6 10.c4 Qc7 11.Qe2 Rc8 12.cd5 Bd3 13.Qd3 ed5 14.Ne5 Nc6 15.Bb2 Na5 16.Rac1 Qd8 17.Qf5 b5 18.g4 Qe8 19.g5 Nh5 20.Qg4 g6 21.f4 Rc1 22.Rc1 ½–½. Hoehnemann,Hans Juergen – Gerwinat,Dirk, Marianske Lazne op, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.Nbd2 d5 7.e3 b6 8.Bb5 Bd7 9.a4 Bb5 10.ab5 a5 11.Ne5 Nfd7 12.Ndf3 0–0 13.0–0 Ne5 14.de5 (14.Ne5 Qc7=) 14...Nd7 15.Bb2 Qc7 16.Ra4 Rfc8 17.Qa1 Qc2 18.Nd4 Qc7 19.Nc6 Nb8 20.Ne7 Qe7 21.Ba3 Qe8 22.Rc1 (22.Rb1 Nd7–+) 22...Nd7 (22...Rc1 23.Qc1 Na6 24.Rg4–+) 23.Rc6 (23.Rc8 Rc8 24.Qb2 Nc5–+) 23...Rc6–+ 24.bc6 Nf8 25.Qc3 (25.Bf8 Kf8 26.Rh4 Qc6 27.Rh7 Kg8–+) 25...Rc8 26.Rg4 (26.Bf8 Kf8 (26...Qf8?! 27.Ra1–/+) 27.Qd4 Qc6–+) 26...Rc6 27.Qd3 (27.Qa1 b5–+) 27...Ng6 28.f4 Rc4 29.Bd6 (29.Rg3 b5–+) 29...Qa4 (better is 29...Qb5 30.Qf1 Qb2 31.f5 Rg4 32.fg6 Rg6 33.Kh1–+) 30.h4 Qc2 31.Qc2 Rc2 32.h5 Nf8 33.Be7 Nd7 34.Bf6 Nf6 35.ef6 g6 36.f5 Rc4 (36...Rc4 37.Rg3 ef5–+) 0–1. Carbonell Bofill (2240) – Tormos Beltran, Burjasot Absoluto op, 1997. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.e3 0–0 7.Bd3 d5 8.0–0 b6 9.c4 Ba6 10.Nbd2 Qc8 11.Qe2 (11.Qc2 dc4 12.Nc4 b5 13.Nce5 Qc2 14.Bc2=; 11.Ne5 Nfd7 12.Qh5 f5 13.Nd7 Nd7 14.Qe2=) 11...Nc6 12.Bb2 (12.e4 dc4 13.Nc4 Rd8 14.Bb2=) 12...Na5 (12...Qc7 13.Rac1 Rac8 14.Ne5+=; 12...Rd8 13.Rac1 Qd7 14.Rfd1+=) 13.Ne5 (13.cd5 Bd3 14.Qd3=) 13...Qb7 (13...dc4 14.Ndc4=) 14.Rac1 Rac8 15.Rc2 (15.cd5 Bd3 16.Qd3 Qd5=) 15...Rc7 16.Rfc1 Rfc8 17.h3 Bf8 18.Kh1 ½–½. Garcia – Anelli, Buenos Aires, 1978. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.e3 0–0 7.Bd3 d5 8.Nbd2 Bd7 9.0–0 Ba4 10.Qe2 Nc6 11.c4 Rc8 12.Bb2 Na5 13.cd5 Nd5 14.Ne5 Nc6 15.Ndc4 f6 16.Qh5 f5 (16...fe5?? 17.Bh7 Kh8 18.Bg6 Kg8 19.Qh7) 17.Rac1 (17.Rfc1 Bb5=) 17...Bb5 18.Qe2 Ne5 19.Ne5 Bd3 20.Nd3 Bd6 21.Rc8 Qc8 22.g3 Re8 23.Rc1 Qd7 24.Nc5 Qe7 25.a4 b6 26.Nd3 Qd7 27.Qc2 Rb8 28.Qb3 b5 29.Nc5 Qe8 30.a5 Rc8 31.Kg2 (31.f3 Bc5 32.dc5 Qc6=) 31...Bc5 32.dc5 Qc6 33.f3 Rd8 34.h3 a6 35.Be5 Ne7 36.Bd6 Qd5 37.Qc2 Nc6 38.Rd1 Nb4 39.Qe2 (39.Rd5? Nc2 40.Rd2 Ne3 41.Kf2 Nc4–+) 39...Qb3 40.e4 Nc6 41.Rd2 h6 (worse is 41...Na5 42.Rb2 Qc3 43.ef5+=) 42.h4 Kh7 (worse is 42...Na5 43.Rb2 Qc3 44.ef5+=) 43.Rb2 Qc3 44.Rc2 Qf6 (44...Qa5 45.ef5 ef5 46.Qd3=) 45.Rd2 Kg8 46.Rd3 Qg6 (worse is 46...Na5 47.Be5 Qe7 48.Rd8 Qd8 49.ef5+/–) 47.ef5 ef5 48.Bf4 Rd3 49.Qd3 Qe6 50.h5 Kf7 51.Qd2 b4 52.Kf2 b3 53.Qc3 Qd5 54.Bc1 Qd4 55.Qd4 Nd4 56.Bb2 (56.Ke3 Ne6 57.c6 Ke7=) 56...Nc6 57.Ke3 f4 58.Kf4 Na5 59.g4 Nb7 60.c6 Nd8 61.Ke5 Nc6 62.Kd5 Nb4 63.Kd4 Nc2 64.Kc4 (64.Kc3 Ne1 65.f4 a5 66.Kb3 Nd3=) 64...Ne1+= 65.f4 a5 66.Kb3 Nd3 67.Bg7 (better is 67.Bc3!?=) 67...Kg7–/+ 68.g5 Nc5 (worse is 68...Nf4 69.gh6 Kh6 70.Ka4=) 69.Kc4 ½–½. uberlebende (2115) – glovio (2260), gameknot.com, 2014.

6.e3 b6 7.Bd3 Bb7 8.Nbd2 Qc7 9.Bb2 d5 10.c4 Nbd7 11.Rc1 Qd6 12.Qb3 0–0 13.0–0 Rfb8 14.Ne5 Ne4 15.Ne4 (15.Rfd1 f6 16.Nd7 Qd7+=) 15...de4= 16.Nd7 ed3?? (better is 16...Qd7 17.Be2 Qc7=) 17.Nb8+– Rb8 18.Qd3 e5 19.d5 Ba6 20.f4 f6 21.fe5 fe5 22.Rf5 Bf6 23.Qb3 Bc8 24.Rff1 Bd7 25.a4 Qc5 26.Kh1 Qa5 (26...Be8 27.e4+–) 27.Ra1 (27.e4 Re8+–) 27...Qd2 (27...Rc8 28.e4 Qc5 29.Qg3+–) 28.e4 (28.c5 Bg4+–) 28...Qg5 (28...Rc8 29.Be5! Be5 30.Qf3+–) 29.a5 (29.c5 Bg4+–) 29...Be7 (29...Qg6 30.c5! Qe4 31.ab6 ab6 32.c6+–) 30.Ba3 (30.c5!? Bc5 31.d6 Kh8+–) 30...Bd8 (30...Ba3 31.Ra3 Qd8+–) 31.Rf8 1–0. Guillen Domenech (1845) – Garcia Sanchez, Valencia–chB, 2003. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.e3 d5 7.c4 dc4 8.Bc4 0–0 9.0–0 b6 10.Nc3 Bb7 11.Bb2 Nbd7 12.Rb1 Rc8 (12...a6 13.Bd3 b5 14.e4 Rc8 15.Qc2 Nb6=; 12...Re8 13.Bd3 a6 14.Qe2 Bd6 15.e4 Nh5=) 13.Bd3 Nd5 (13...a6 14.a4 (14.e4= b5 15.Qc2 Nb6=) 14...Rc7 15.Qe2 Qa8=) 14.Nd5 Bd5 15.e4 Bb7 16.Qe2 Nf6 17.Rfc1 Rc1 18.Rc1 Qd7 (18...Qa8 19.Nd2=) 19.Ne5+= Qa4? (better is 19...Qd6+=) 20.Rc7+– Bb4? (20...Ba3 21.Bc2 Qa5 22.Ba3 Qa3 23.Rb7 Qa1 24.Qd1 Qd1 25.Bd1 Ne4 26.Ra7 Rc8+–) 21.Bc2 (21.ab4?! Be4 22.Be4 Ne4+–) 21...Qa6 (21...Ba6 A) 22.ab4?! Qb4 (22...Be2?? 23.Ba4 Ne4 24.Bc6+–) 23.Bd3 Bd3 24.Nd3 Qa4+–; B) 22.Qf3 Qa5 23.ab4 Qb4 24.Bc3+–) 22.Qa6 Ba6 23.ab4 g6 (23...Rc8 24.Rc8 Bc8+–) 24.Ra7 Be2 (24...Bb5 25.d5! ed5 26.ed5+–) 25.d5! 1–0. market (1945) – NN, GameColony.com, 2002.

6.e3 d5 7.Bd3 0–0 8.0–0 b6 9.Nbd2 Bb7 10.c4 Ne4 11.Bb2 Nd7 12.cd5 ed5 13.Ne5 (13.Qb1 f5= 14.Qa2 Ndf6 15.Rfc1=; 13.Rc1 Re8 14.Qb3 Bd6 15.Rc2=) 13...Nd2 (13...Rc8 14.Ndf3= (14.Qh5 Ndf6 15.Qe2=) 14...Ne5 15.Ne5=) 14.Qd2+= f6 (14...Ne5 15.de5+=) 15.Nf3 g6 (15...Bd6 16.Bc3+=) 16.Qe2 (16.Rfc1 Re8+/–) 16...a6 (16...Bd6 17.a4+=) 17.Nd2 (17.Bc3 b5+=) 17...Bd6 18.g4 (18.Qf3 Qe7+=) 18...Qe7 19.f4 (19.Rfc1 Rfe8=) 19...Rfe8 20.Rf3 b5 21.a4 (21.f5 Kg7+=) 21...b4 (21...ba4 22.Ra4 Nb6 23.Ra2=) 22.a5 (22.f5 g5=) 22...Nf8 23.h4 (23.f5 gf5 24.Bf5 Ne6=) 23...Ne6+= 24.Qf2 Ng7 25.Kg2 (25.h5 gh5 26.gh5 Bc8+= (worse is 26...Nh5 27.Qh4 Qf7 28.Rh3+=)) 25...Bc8 (25...f5 26.gf5 Nf5 27.Bf5 gf5 28.Nb3–/+) 26.Rg3 Kf7 27.Rh1 f5 28.g5 Nh5 29.Rgh3 Qc7 30.Be2 Qc2 31.Bh5+= gh5 32.Nf3 Qf2 33.Kf2 Bd7 34.Rc1 Rac8 35.Rhh1 Rc4 36.Nd2 Rec8 37.Nc4= dc4 38.Ba1 c3 39.Rb1 Bc6 40.Rhc1 Be4 41.Rb3 Bd5 42.Rbb1 Ba2 43.Ke2 b3 44.Rb3 Bb3 45.Bc3 Ba3 (45...Ba3 46.Bb2 Rc1 47.Ba3 Rh1–+) 0–1. Skalicka,K – Reca,D, Paris, 1924. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.g3 b6 7.Bg2 Bb7 8.0–0 0–0 9.Nbd2 Qc7 10.Bb2 b5 11.Rc1 d5 12.Ne5 Nbd7 13.f4 Ne5 14.fe5 Ng4 15.Rf3 Bg5 16.Bf1 Qb6 17.Nb3 (better is 17.Qe1 Ne5 18.Rb3–+) 17...Ne5 18.e3 Nf3 19.Qf3 e5! 20.Re1 (20.de5 Be3 Double attack (20...Qe3 Pinning; 20...Qe3 Deflection)) 20...e4 21.Qf5 Be7 22.Ra1 (22.Qd7 Bd6 23.Qb5–+) 22...Rac8 23.Nc5 Rc5 24.dc5 Bc5 (24...Qc5?! 25.Bd4 Qc6 26.Ba7–+) 25.Qg4 Be3 26.Kh1 d4 27.Bg2 f5 28.Qe2 f4 29.gf4 Rf4 30.Rd1 Rh4 31.h3 (31.Qf1 Bc8 32.Bd4 Bd4–+) 31...Qh6 32.Qf1 Bc8 33.Kh2 (33.Rd4 Bd4 34.Bd4 Bh3 35.Be5 Bg2 36.Kg2 Qd2 37.Qf2–+) 33...Qd6 34.Kh1 Qg3 (34...Qg3 35.Rd4 Bd4 36.Bd4 Bh3 37.Bh3 e3–+) 0–1. Rodriguez Antuna,Ruben – Aguera Naredo,Javier (2275), Asturias–ch Preferente, 1993. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.d4 Be7)

6.Bg5 d5 7.e3 0–0 8.Bd3 Qa5 9.Qd2 Qd2 10.Nbd2 Nc6 11.c4 Bd7 12.Rb1 b6 13.cd5 Nd5 14.Be7 Nce7 15.Ne4 Rfc8 16.Ne5 Ba4 17.Nd6 Rc3 18.Kd2 f6 19.Nec4 b5 20.Nb5+– a6?? 21.Nc3 Nc3 22.Kc3 Bb5 23.Nd6 Nd5 24.Kd2 Ba4 25.Ba6! h6 26.Bc8 Nb6 27.Be6 Kh7 28.Rb6 Be8 29.Rhb1 Bg6 30.Rb8 Ra3 31.Bg8 Kh8 32.Rf8 Ra2 33.Ba2 Kh7 34.Bg8# 1–0. COMP – NN, 2003.

5.e3 0–0

6.c4 Nc6 7.d4 Be7 8.Nc3 (8.Bd3 d5 9.cd5 ed5 10.0–0 Re8 11.Qb3=; 8.Be2 d5 9.0–0 dc4 10.Bc4 Qd6 11.a4=; 8.Nbd2 d5 9.cd5 ed5 10.Bd3 Re8 11.0–0=; 8.Qc2 d5 9.Nbd2 a6 10.Rb1 dc4 11.Bc4=) 8...d5 9.cd5 ed5 10.Bd3 Bg4 11.h3 Be6 12.Bd2 a6 13.a4 (13.Ng5 h6 14.Ne6 fe6=) 13...Nb4+= 14.Bb1 Qc8 (14...Rc8 15.0–0+=) 15.0–0= h6 (15...Re8 16.a5=) 16.Qe2 Bd6 17.Rc1 Qb8 (17...Nc6 18.Bd3=) 18.a5+= Rc8 19.Na4 (19.Nh4 Rc4=) 19...Rc1 20.Bc1 Qc7 21.Nc5 (21.Qb2 Ne4=) 21...Bc5 22.dc5 Qc5 23.Bb2 Ne4 24.Ra3 (24.Nd4 Re8+=) 24...Nc6–/+ 25.Nd2 (25.Nd4 Nd4 26.ed4 Qb4 27.Be4 de4–/+) 25...Na5 (25...Qb4 26.Nb3–/+) 26.Ne4 de4 27.Be4 Qb4 28.Bd3 (28.Bc2 Bc4 29.Qd1 Qb2 30.Ra5 Bb5–/+) 28...Bc4 (28...Nc4 29.Bc4 Bc4 30.Qc2–/+) 29.Bc4 (29.Rc3 Bd3 30.Rd3 Nc4+=) 29...Nc4 30.Qg4?? (better is 30.Ra2–/+) 30…Qb2–+ (30...Qb2 31.Ra4 Qb1 32.Kh2 Nd2–+) 0–1. Buehner – Stark, 1983. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0–0)

6.Be2 d5 7.0–0 Nc6 8.d4 Bd6 9.c4 (9.Nbd2 Ne4=) 9...dc4+= 10.Bc4 Qc7 11.Nbd2 Ng4 (11...e5 12.Qc2=) 12.h3 Na5 (12...Nf6 13.e4 e5 14.d5=) 13.Be2+= Nh2 14.Re1 (14.Nh2 Bh2 15.Kh1 Bd6+=) 14...Bd7 (14...Nf3 15.Bf3 Bd7 16.Ne4=) 15.Ng5+= f5 16.d5 (16.Bb2 h6 17.Ngf3 Nf3 18.Bf3 Rac8=) 16...ed5 17.Nb3 Nb3 18.Qd5 Kh8 19.Qb3 Be5 20.Rb1 (20.Ra2 Rac8 21.Bb2 Bb2 22.Rb2+– (22.Qb2?! h6 23.Nf3 Nf3 24.Bf3 Bc6=)) 20...Bc8 (better is 20...Bc6+/–) 21.Bc4+– h6 (21...Rb8+–) 22.Nf7 Kh7 (22...Rf7 23.Bf7 Bf6 24.Rd1+–) 23.Ne5 Qe5 24.Bb2 Qd6 25.Rbd1 Qc7 26.Qc3 Kh8 (26...Nf3 27.gf3 Qe7+–) 27.Rd6!! Rf6 (27...Qd6) 28.Rf6 Kh7 29.Bg8! Kg8 30.Qc7 gf6 31.Qd8 Kf7 32.Kh2 a5 33.Bf6 Rb8 34.Qe7 Kg6 35.Qg7 Kh5 36.Qf7# 1–0. Green Light Chess – New Rival, 2000.

6.d4 Be7

7.Nbd2 b6 8.Bd3 d5 9.c4 Ba6 10.Bb2 Nc6 11.0–0 Na5 12.Ne5 Rc8 13.Qe2 (13.Qa4 Bc4 (13...dc4 14.Ndc4 Bc4 15.Bc4 Nc4 16.Nc4 Qd7 17.Qd7=) 14.Ndc4 (14.Bc4 Nc4 15.Ndc4 dc4 16.Nc4 Qd7 17.Qd7=) 14...Nc4 15.Bc4 dc4 16.Nc4 Qd7 17.Qd7=) 13...dc4 (13...Bd6 14.f4 (14.cd5 Bd3 15.Qd3 Be5 16.de5 Qd5 17.Qb1=) 14...Qe7 15.Rf3 Rfd8 16.Rff1 Ne4 17.c5=; 13...Nc4 14.Nec4 (14.Ndc4 dc4 15.Nc4 Bb7 16.Ne5 Qd5 17.f3=) 14...dc4 15.Nc4 Bb7 16.Ne5 Qd6 17.Rfc1=) 14.Nec4 (14.Bc4? Nc4 15.Nec4 Ne4 16.Ne4 Bc4–+ (16...Rc4?! 17.Qd2+=); 14.Ndc4 Nc4 15.Nc4 Bb7 16.Rfc1 Qd5 17.f3=) 14...Nc4 15.Nc4 (worse is 15.Bc4 Rc4 16.Nc4 Qc7–/+ 17.Rfc1–/+) 15...Rc7 (15...Bd6 16.Rfc1= Qd7 17.Qf3=; 15...Bb7 16.Ne5 Qd5 17.f3=) 16.Rfc1 (16.Rac1 Bd6 17.Nd6+=) 16...Qa8 17.Rc2 Rfc8 18.Rac1 Bb7 19.f3 Nd5 20.g3 (20.Ne5 Rc2 21.Bc2 f6=) 20...Bg5 (20...Nf6 21.e4=) 21.f4 Be7 22.e4 Nf6 23.Nd2 (23.Qe3 Qb8= (worse is 23...Ne4 24.Nb6 Rc2 25.Na8 Rc1 26.Bc1 Ba8 27.Be4 Be4 28.Qe4 Rc1 29.Kg2+/–)) 23...Rc2 24.Rc2 Rc2 25.Bc2 Qc8 26.Bd3 Qf8 (26...Qc6 27.g4+=) 27.Ba6 (27.Nb1 Qa8 28.Nd2 Qd8=) 27...Ba6 28.Qa6 Qa8 29.Qd3 Qc6 30.Kg2 b5 31.Kf3 a5 ½–½. Villegas – Falcon, Buenos Aires, 1938. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0–0 6.d4 Be7)

7.Bd3 d5 8.0–0 b6 9.Qe2 Nc6 10.Nbd2 Bb7 11.Bb2 Na5 12.Ne5 (12.Bc3 Nc6 13.Rfc1 (13.Rfb1 Qc7 14.e4 de4 15.Ne4 Rac8 16.Bd2=; 13.e4 de4 14.Ne4 Rc8 15.Nf6 Bf6 16.Qe4=; 13.Rfe1 Qc7 14.Bb2 Rfc8 15.c4 dc4 16.Nc4=) 13...Qc7 14.Bb2 Rfc8 15.c4 Qd8 16.Rc2=) 12...Rc8 (12...Bd6 13.Bc3 (13.Rac1 Qe7 14.Nb3 Nc6 15.c4 Ba3 16.c5+=; 13.Rfc1 Qc7 14.f4 Ne4 15.Nb3 Be5 16.Na5=) 13...Nc6 14.Nc6 Bc6 15.Bb4 Rc8 16.c4=; 12...Nc6 13.Rad1 (13.Rab1 Ne5 14.de5 Ne4 15.Rfd1 Nc5 16.Qh5=; 13.Ng4 Bd6 14.c4 Na5 15.Nf6 Qf6 16.cd5=; 13.Ndf3 Rc8 14.Nc6 Bc6 15.Ne5 Bd6 16.Rfc1=) 13...Rc8 14.c4 a6 15.cd5 Qd5 16.e4+=) 13.Qf3 (13.Rfc1 Nc6= 14.Nef3 Bd6 15.c4 Qe7 16.cd5=) 13...Rc7 (13...Nc6 14.Rab1 Qc7 15.Rfc1 Bd6 16.Qg3=) 14.Qh3 g6 (14...Nc6 15.Ng4 h6 16.Nf6 Bf6 17.Rab1=; 14...a6 15.f3 b5 16.Ng4=) 15.f4 (15.Rfd1 a6+= 16.Rab1=; 15.Rac1 Ne4 16.Ne4=) 15...Ne4 (15...Qd6 16.Qf3=) 16.Be4 (16.Rfd1 Nd2 17.Rd2 Qd6=) 16...de4+= 17.c4 (17.Rac1 f6 18.Ng4 Bd5+=) 17...f6–/+ 18.Qe6 Kg7 19.Qh3? (better is 19.Rac1+=) 19...fe5–+ 20.fe5 (20.d5 Nc4 21.Nc4 Rc4–/+) 20...Nc4 21.Nc4 Rc4 22.d5 (22.Rf8 Bf8 (22...Kf8?? 23.Qh7 Rc6 24.Qh8 Kf7 25.Rf1 Ke6 26.d5 Kd7 27.dc6 Kc6 28.Qh7+–; 22...Qf8 23.Rf1 Qc8 24.e6=) 23.Rf1 Bd5–+) 22...Rc2 (22...Qd5 23.e6 Kg8 24.Qh6+–; 22...Bd5?! 23.Rf8 Bf8 24.Qd7 Be7 25.e6 Kh6 26.Rd1–+) 23.Bd4 Bd5 24.e6 (24.Rf8 Qf8 (24...Kf8?! 25.Qh7 Ke8 26.e6 Be6 27.Qg6 Bf7 28.Qe4–+) 25.Rf1 Qd8 26.e6 Kg8–+) 24...Kg8 25.Qh6 Rf1 26.Rf1 Bf8 27.Qf4 Rc7 (27...Be6?! 28.Qe4 Qc8 29.Qe5+=) 28.Rd1? (better is 28.Be5 Re7 29.Bf6–+) 28...Bb3 (28...Ba3?? 29.Qe5 Be6 30.Qh8 Kf7 31.Qd8+–; 28...Be6 29.Qe5 Bf5 30.Qh8 Kf7 31.Qh7 Ke8 32.Qg8–+) 29.Rb1 Bc4 (better is 29...Bc2 30.Rf1 Bd6 31.Be5 Be5 32.Qe5–+) 30.Bf6 (30.Qe5 Bg7 31.Qe4–+) 30...Qd3 31.Rc1 (31.Ra1 Bd6 32.Be5 Be5 33.Qe5 Qe3 34.Kh1 Re7–+) 31...Qd2 (better is 31...Bd6!? 32.Qf2 Be6 33.Qe1–+) 32.Ra1 Bd6 33.Qg5 Be6 (33...Be6 34.Bb2 Qb2–+) 0–1. Gershman – Kogan,Artur, Ukraina, 1966.

7.Bd3 d5 8.Nbd2 b6 9.0–0 Bb7 10.c4 Nbd7 11.Bb2 Re8 12.Rc1 a6 13.a4 Rc8 14.Qe2 Nb8 15.Ne5 Qd6 16.Ra1 Ne4 17.Ba3 Qd8 18.cd5 ed5 19.Ne4 de4 20.Bc4 Bd5 21.Rfc1?? (better is 21.Rfd1=) 21...Ba3–+ 22.Ra3 b5! 23.ab5 ab5 24.Nf7 Qe7 (24...Rc4?! 25.Qc4 bc4 26.Nd8 Rd8 27.f3 ef3 28.gf3+=) 25.Ne5 Bc4 (25...Rc4?! 26.Nc4 bc4 27.Rca1+=) 26.Qb2 Be6 27.Rca1 Nc6 28.Nc6 Rc6 29.Ra7 Qg5–+ 30.h4 Qg6 31.Qb5–/+ Bh3 32.g3? Bg4 33.Qd5 Qe6 34.Qg5= Qg6 35.Qd5 Kf8 36.Ra8 Rec8 37.Rc8 Rc8 38.Ra7 h6 39.Qa5 Qf5 40.Qa3 Kg8 41.Ra8 Qf3 42.Rc8 Bc8 43.Qa8 Qd1 44.Kg2 Qc2 45.Qb8 Kh7 46.Qf4 h5–+ 47.d5 Bg4 48.Kh2 Qd3 49.d6? Qd5 50.Kg2? Qf5 51.Qf5 Bf5 ½–½. Dawidow,Jacek (2340) – Grzelachowski,Piotr, Poland–chT2 Wysowa, 2003. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0–0 6.d4 Be7)

7.Bd3 d5 8.Nbd2 b6 9.0–0 Bb7 10.c4 Ne4 11.Qc2 f5 12.Bb2 Nd7 13.Rac1 Rc8 14.Qb3 Bd6 15.cd5 Rc1 (worse is 15...ed5 16.Ne4 fe4 17.Be4+/–) 16.Rc1 Nd2 (worse is 16...ed5 17.Ne4 fe4 18.Be4+/–) 17.Nd2 Bd5 18.Bc4 Nf6 19.f3 Qb8 20.h3 Rc8 21.a4 Bh2 22.Kh1 Bd6 23.Rc2 Kf8 24.Qd3 Bb4 25.e4 fe4 26.fe4 Bc4 27.Nc4 Qf4 28.d5? (28.Ne5 Rc2 29.Qc2 Qf1 30.Kh2 Qf4 31.Kg1 Qe3 32.Kh1+/–) 28...Ne4–+ 29.Be5 Nf2 30.Rf2 Qf2 31.de6 Bc5 32.Bd6 Bd6 33.Qd6 Kg8 34.e7 Qf1 35.Kh2 Qc4 36.Qd8 Rd8 37.ed8Q Kf7 38.Qd7 Kg6 39.Qa7 Qf4 40.Kg1 Qc1 ½–½. Weiss,Siegfried – Ossenbrueggen,Lars (2055), Pinneberg–ch op, 1997. (=1.Nf3 Nf6 2.b4 e6 3.a3 c5 4.bc5 Bc5 5.e3 0–0 6.d4 Be7)

3.Nf3 d5

4.Bb2 a5 +=.

4.Nc3 a5 5.b5 Bd6 6.Bb2 0–0 7.e3 e5 8.d4 e4–/+ 9.Ne5 Nbd7 10.Na4 Qe8 11.Nd7 Bd7 12.Rc1? Bb5–+ 13.Bb5 Qb5 14.c3 b6 15.Ba1 Ba3 16.Rb1 Qa6 17.Rb3 Bd6 18.Rb1 b5 19.Nb2 a4 20.0–0 a3 21.f3 Qc6 22.Nd3 ed3 23.Qd3 Ra5 24.Rbe1 Re8 25.Rf2 a2 26.Rb2 Ra3 27.Rb5 Bf4! 28.Rb4 Bh2! 29.Kh2 Qd6 30.g3 Qb4!! 31.Qf5 Rc3 (31...Rc3 32.Bc3 Qc3–+) 0–1. pahan – pierre, internet, 2009.

4.Nc3 a5 5.b5 Bd6 6.g3 0–0 7.Bg2 c6 8.0–0 Nbd7 9.d3 h6 10.Bd2 e5 11.Rb1 Re8 12.bc6 bc6 13.e4 Ba3–/+ 14.Re1 d4 15.Na4 Bd6 16.c3 c5 17.Nh4 Nf8 18.Nf5 Ne6 19.Nb6=+ Ra6 20.Nd6 Qd6 21.Nc4 Qc7 22.f4 ef4–/+ 23.e5 Nd7 24.cd4 Nd4 25.Bf4= Ne6 26.Nd6+= Rd8 27.Nc8 Rc8 28.Bb7 Raa8 29.Qf3 Rab8 30.Bc8 Rc8 31.Rb7+/– Qd8 32.Qe4 Ndf8 33.Be3+/– Ng6 34.Rf1 Nh8 35.Rfb1 1–0. gtate (2305) – gtan (2345), net–chess.com, 2007.

4.Nc3 a5 5.b5 Bd6 6.g3 e5 7.d3 c6 8.Rb1 0–0 9.Bg2 Bg4 10.bc6 bc6 11.h3 Bf3 12.Bf3 Qe7 13.0–0 Ba3–+ 14.Bd2 a4 15.e4 d4 16.Ne2 c5 17.g4 Nc6 18.g5 Ne8 19.c3 dc3 20.Nc3 Bb4 21.Nd5 Qd6 22.Be3 a3 23.Qc2 Nc7 24.Nc7 Qc7 25.Qa2 Qd7 26.Kg2 Qd3 27.Rfd1 Qa6 28.Be2 Qa7 29.Bb5 Nd4 30.Bc4 Bc3 31.Bd5 Rab8 32.Rb8 Rb8 33.Qc4 Bb2 34.Rd3 Rb4 35.Qa2 Qc7 36.Bd2 Ra4 37.Be3 c4 38.Bd4 ed4 39.Rf3 d3 40.Rf7 Qf7 41.Bf7 Kf7 42.Kf1 Ke6 43.f4 Kd6 44.Ke1 Kc5 45.f5 Ra8 46.f6 gf6 47.gf6 Rf8 48.e5 Rd8 0–1. gtate (2450) – cnita (2600), net–chess.com, 2007.

4.Nc3 c5 5.bc5 Bc5 6.e3 Nc6 7.d4 Bd6 8.Be2 0–0 9.0–0 Bd7 10.Rb1= b6 11.g3 Na5=+ 12.Ne5 Be5 13.de5= Ne8 14.Bb2 Nc4 15.Bc4 dc4 16.Qd4 Qc7 17.Rfd1 Bc8 18.e4 g6 19.a4 Ng7 20.Ba3+– Re8 21.Nb5 Qc6 22.Rb4 Nf5 23.Qc4 Qc4 24.Rc4 Ne7 25.Nc7 (25.Nc7 Bb7 26.Ne8 Re8 27.Rd7+–) 1–0. gtate (2790) – ostefrec (2405), net–chess.com, 2008.

4.Nc3 Bd6 5.e3 a5 6.Bb2 Nc6 7.Nb5 Be7 8.Nbd4 Nd4 9.Bd4= 0–0 10.b5 Bd6 11.Be2 Qe7 12.a4 e5 13.Bb2 c5 14.0–0 e4 15.Ne1 b6 16.c4 Be6 17.f3 Qc7 18.cd5 Bh2 19.Kh1 Nd5 20.fe4=+ Nb4 21.Nf3 Bg3 22.d4 f6 23.d5 Bf7 24.Nd2 Rfe8 25.Rc1 Rad8–/+ 26.Qb3 h5 27.Bf3 f5 28.Bh5 Re4 29.Ne4 Bd5 30.Nf6 gf6 31.Qd1 Be4 32.Qe2 Qg7 33.Rcd1? Rd1 34.Qd1 Nd3 35.Qb3 Kh7 (35...Kh7 36.Bf6 Nf2 37.Rf2 Qf6–+) 0–1. Naadir Narcaim – pierre, internet, 2009.

4.Nc3 Bd6 5.e3 a6 6.Be2 h6 7.0–0 e5 8.Bb2 e4 9.Nd4 g6 10.d3+= Bf5? 11.h3 ed3 (11...ed3 12.cd3 Be6+=). Cobra1 – Castletyme, internet, 2008.

4.Nc3 Bd7 5.e3 Bd6 6.d4 Ne4 7.Ne4 de4 8.Nd2 f5 9.Qh5 g6= 10.Qh6 Qe7 11.Be2 Ba4 12.c4 c6 13.Bb2+/– Nd7 14.c5+= Bc7 15.d5 ed5?? 16.Bh8+– 0–0–0 (16...Ne5 17.Bg7+–) 1–0. Ashwad (1815) – perspective08, internet, 2006.

4.Nc3 Be7 5.e3 0–0 6.d4 Nbd7 7.Bd3 c6 8.0–0 Qc7 9.e4 de4 10.Ne4 Ne4 11.Be4 Nf6 12.Bd3 Bd6 13.c4 b6 14.c5 bc5 15.bc5 Be7 16.Rb1 Bd7 17.Ne5 Rab8 18.Rb8 Rb8 19.Bf4 Rd8?? 20.Ng6!+– Qb7 21.Ne7 Kh8 22.Be5 Be8 23.Bf6 gf6 24.Qh5 f5 25.Qg5 (25.Qg5 Qe7 26.Qe7+–) 1–0. gtate (1930) – brunorogani (2215), net–chess.com, 2006.

4.c4 dc4 5.Nc3 +=.

4.c4 c6 5.e3 Be7 6.Nc3 Nbd7 7.cd5 cd5 8.Bb2 0–0 9.d4 Re8 10.Bd3 Qc7 11.Rc1 a6?? (better is 11...Qb6+=) 12.Nd5!+– Qd6 (12...ed5 13.Rc7 Discovered attack; 12...Nd5 13.Rc7 Discovered attack) 13.Nc7 (13.Ne7?! Qe7 14.0–0 b5+–) 13...Ra7 (13...Rb8 14.Ne8 Ne8+–) 14.Ne8 Ne8 15.Rc8 Kf8 16.Qa4 b5 (16...Ndf6 17.d5! Bd8 18.Bd4+–) 17.Bb5! Nb6 (17...ab5 18.Qa7 Pinning (18.Qa7 Deflection)) 18.Re8# 1–0. The Schemer – pieeater, ChessWorld.net, 2012.

4.c4 Bd6 5.Nc3 dc4 6.e4 e5 (6...a5 7.Qa4 Nfd7 8.e5+=) 7.Bc4= c6 (7...0–0!?=) 8.d4+= ed4 (8...Nbd7 9.0–0+=) 9.Qd4+/– (9.Nd4?! 0–0 10.Nf3 Qe7=) 9...Bg4? (better is 9...0–0+/–) 10.e5+– Bf3 11.gf3 (11.Qd6 Qd6 12.ed6 Bd5 13.Nd5 cd5 14.Bb5 Nc6=) 11...Qe7? (11...Be7 12.Qd8 Bd8 13.ef6 Bf6+–) 12.Qd6 Qd6 13.ed6 Nbd7 14.Ne4 Ne4 15.fe4 Ne5 16.Be2 Kd7 17.f4 Ng6 18.e5 f6 19.Bg4 Kd8 20.e6 a6 21.Be3 1–0. Tiedemann,Joern (2125) – Fischer,Bernd (1860), RSS7E basic–18, 2009.

4.d3 c5 5.c3 Be7 6.bc5 Bc5 7.Bg5 Qb6 (7...Nbd7 8.e3=+) 8.e3 Nbd7 9.Nbd2 h6 10.Bf6 Nf6 11.Be2 0–0 12.0–0 Qc7 13.c4 b6 14.cd5 ed5 15.Nb3 Bb7 (15...Bd6!?=) 16.Nc5+= bc5 17.Rb1 (17.Qc2 Rac8+=) 17...Rac8 (17...Qe7!?=) 18.Qa4 Ba8 19.Rfc1 Rfe8 20.Nd4 Qe5 21.Nb3 d4 22.e4 Qe7 (22...c4!? 23.Rc4 Rc4 24.Qc4 Ne4=) 23.Bf3+/– h5 24.Qb5 Ng4 (24...Nd7!?+/–) 25.Bg4 hg4 26.Nc5 g3 27.fg3 Qg5 28.Qd7 Qe3 29.Kh1 Rcd8 (29...Rf8 30.Qa7 Qg5 31.a4+–) 30.Qa7 Re5 31.Rf1 Rh5 (31...Rc5 32.Qc5 Qd3+–) 32.Qf7 (32...Kh7 33.Qh5 Qh6 34.Qf5 Qg6 35.Qg6 Kg6 36.Rb6 Kh7 37.Ne6+–) 1–0. orane – northman, 2003.

4.d3 Be7 5.c4 (5.Bf4 a5 6.b5 c6=+) 5...dc4 6.Ne5? (6.e4 Nbd7=+) 6...cd3 (better is 6...Qd4!? 7.Nc4 Qa1–+) 7.Qd3–/+ Qd3 (7...Nbd7 8.Bb2–/+) 8.Nd3 0–0 (8...a5 9.b5–/+) 9.Nc3 a6 (9...Nc6 10.Bf4–/+) 10.Bf4 Bd6 (10...a5 11.b5–/+) 11.g3 (11.e4 e5 12.Be5 Be5 13.Ne5 Re8=+) 11...Nc6 (11...a5 12.Bd6 cd6 13.b5=+) 12.Bg2=+ e5 13.Bc6 (13.Bg5 Nd4 14.Rc1 a5–/+) 13...ef4 14.Be4 (14.Bg2 fg3 15.hg3 c6–/+) 14...fg3–/+ 15.hg3 Ne4 (15...Re8 16.Bg2–/+) 16.Ne4 Be7 17.Rc1 (17.Rd1 a5 18.Rh5 ab4 19.ab4 Re8–/+) 17...c6 (17...Bf5 18.Nec5 b6 19.Nb3–/+) 18.Ne5 (18.Rh5 Re8 19.Re5 f6–+) 18...Be6 (better is 18...Re8 19.Nf3 Bb4 20.ab4 Re4–+) 19.Ng5?? (better is 19.Nc5 Bd5 20.Rh5 Bc5 21.bc5–/+) 19...Bg5–+ 20.f4 Bd5 21.Nf3 Bf6 22.Rc2 Rfe8 23.Rh2 Bf3 24.Rf2 Bd5 25.g4 Bb3 26.Rc1 Bh4 27.Rc3 Bf2 28.Kf2 Bd1 29.Re3 Re3 30.Ke3 Re8 31.Kd2 Be2 32.g5 h6 33.gh6 gh6 34.Ke1 Re4 35.f5 f6 36.Kf2 Rf4 37.Ke2 h5 38.Ke3 Rf5 39.Ke4 Rf1 40.Ke3 h4 41.Ke2 Rg1 42.Kf2 Rg7 43.a4 h3 44.b5 h2 45.ba6 ba6 46.a5 h1Q 47.Ke3 Qh4 48.Kf3 Rg3 49.Kf2 Qh2 50.Kf1 Rg1 0–1. bvboucher (2025) – geebs (2325), net–chess.com, 2005.

4.d4 a6 5.Bb2 Bd6 6.Nbd2 b5 7.c3 Nbd7 8.Qc2 Nb6 9.e4 de4 10.Ne4 Ne4 11.Qe4 Nd5 12.Bd3 Bb7 13.Qg4 g6 14.0–0 (14.Ne5+=) 14...Be7?? (14...Nf4 15.Rad1 h5–+ (15...Nd3?! 16.Rd3 h5 17.Qh3+=)) 15.a4+= c6 16.a5 Nf6 17.Qh3 Bf8 18.Bc1 Bg7 19.Bh6 0–0 20.Bg7 Kg7 21.Rfe1 (21.Ne5 Nd5 22.Be4 Qc7+/–) 21...Qd6 (21...Nd5!? 22.Be4 Nc3=) 22.Ne5+/– Rad8 23.g3 Qd5 24.Bf1 (24.f3 Qb3 25.Rac1 Nd5=) 24...Rfe8?? (better is 24...c5 25.Bg2 Qg2 26.Qg2 Bg2 27.Kg2 cb4–+) 25.Bg2+/– Qd6 26.Rad1 Qc7 27.Bf3 Re7 28.Qg2 Nd5 29.Rc1 Ree8 30.Nd3 Re7 31.Nc5 Rde8 32.h4 e5 33.Nb7 (33.de5 Re5 34.Re5 Re5+=) 33...Qb7= 34.de5 Re5 35.Re5 Re5 36.Qh1 (36.Qf1 Qe7=) 36...Qe7 (36...Nc3!? 37.Rc3 Re1 38.Kg2 Rh1 39.Kh1 Qe7 40.Rc6 Qb4 41.Ra6 Qd4–/+) 37.Kg2= h5 38.Kh2 Qe6 ½–½. Walter,Brian – Poniatowski,Donald, Michigan Senior Reserve, 2005. (=1.d4 d5 2.Nf3 Nf6 3.a3 e6 4.b4)

4.d4 a6 5.Bg5 Be7 6.Nbd2 b5 7.e3 Nbd7 8.c3 c6 9.a4 Bb7 10.Bf6 (10.Bd3 0–0+=) 10...Bf6 11.e4 de4 12.Ne4 e5?? (better is 12...Be7+=) 13.Nd6+– (13.Nd6 Kf8 14.Nb7+–) 1–0. Lesiak,Pawel – Jarszyk,Thomas, Koeln CC Christmas op, 1993.

4.d4 b6 5.e3 Ba6 6.b5 (6.Ba6 Na6 7.c4 Nb8=) 6...Bb7= 7.Nbd2 a6 8.Bb2 ab5 9.Bb5 Bc6 10.Bd3 b5 (10...Bd6 11.Ne5=) 11.Ne5+= b4 (11...Bd7 12.e4+=) 12.ab4 Ra1 13.Qa1 Bb4 14.c3 (14.Nc6?! Nc6 15.Bb5 0–0 16.Bc6 Bd2 17.Kd2 Ne4 18.Ke1 Qg5+–) 14...Bd6 15.Nc6 Nc6 16.Bb5 Kd7 17.Nb3 Qb8? (better is 17...Ng8+–) 18.Qa4 Qb6 19.Na5 Ra8?? (19...Rb8 20.Bc6 Ke7+–) 20.Bc6 Ke7 21.Ba8 Qb2 22.Nc6 Kf8 23.0–0 g6 (23...Qc3 24.Qa6 g6 25.Na7+–) 24.Ne5 (24.c4!? Qe2 25.Ne5 Kg7+–) 24...Kg7 25.c4 dc4 (25...Be5 26.de5 Qe5 27.cd5 Nd5 28.Bd5 Qd5 29.Rc1+–) 26.Qc4 (26.Nc4 Qe2 27.g3 Be7+–) 26...Ne4 (26...Be5 27.de5 Qe5+–) 27.Be4 1–0. Bocchicchio,Marino – Stornelli,Al, ITA–ch Italy, 1994. (=1.Nf3 d5 2.b4 Nf6 3.a3 e6 4.d4)

4.d4 b6 5.e3 c5 6.bc5 bc5 7.c4 (7.Nbd2 c4=) 7...cd4 8.ed4 Be7 (8...dc4 9.Bc4 Bd6 10.Nc3=) 9.Be2 (9.c5 0–0=) 9...0–0 (9...dc4 10.Bc4 0–0 11.0–0+=) 10.c5 Nc6 (10...Ne4 11.0–0=) 11.0–0 Nd7 (11...Ne4 12.Bf4=) 12.Nbd2 (12.Bf4 e5 13.Bb5 Bb7 14.Bc6 Bc6 15.Be5 Re8+/–) 12...Bf6 (12...e5 13.de5 Nc5 14.Nb3=) 13.Nb3 (13.Qa4 Qc7 14.Bb5 Bb7=) 13...a5 (13...e5 14.Rb1=) 14.a4 (14.Bb5 Qc7=) 14...Qc7= 15.g3 (15.Bg5 Bg5 16.Ng5 Nf6+=) 15...Bb7 (15...e5 16.de5 Nde5 17.Bf4= (17.Qd5? Be6 18.Qd1 Bb3 19.Qb3 Nf3 20.Bf3 Nd4–+)) 16.Bg5 (16.Bf4 e5 17.de5 Nde5 18.Qd5 Qc8 19.Ne5 Ne5–/+) 16...Bg5 (16...Rab8 17.Rc1=) 17.Ng5 h6 18.Nf3 Nb4 19.Bb5 (19.Rb1 Bc6 20.Nc1 e5 21.Ne5 Ne5 22.de5 Qe5+=) 19...Bc6 20.Bc6 (20.Qe2 Rab8=) 20...Nc6+= 21.Re1 Rab8 22.Re3 (22.Nc1 Rb7+=) 22...Rb4 23.Nc1 Rfb8 24.Na2 Rb2 25.Nc3 Na7 (25...Qd8 26.Rb1+=) 26.Rb1= Nf6 (26...R2b4 27.Rc1=) 27.Rb2 (27.Nb5 Rb1 28.Qb1 Qe7=) 27...Rb2 28.Ne1 Nd7 (28...Rb8 29.Nd3=) 29.Nd3 (29.f4 Nf8=) 29...Rb8 30.Qe1 (30.f4 Nf6=) 30...Qb7 31.f4 Kf8 (31...Qb3 32.f5 Nc6 33.fe6 fe6 34.Nf4 Nd4 35.Nb5 Qa4 36.Nd4–/+) 32.g4 (32.f5 ef5 33.Qf2 Nc6 34.Qf5 Nd4+=) 32...Nf6 (32...Qa6 33.f5 ef5 34.Qg3+= (worse is 34.gf5 Qc4+=; worse is 34.Nd5 Qc4 35.Nb6 Qd4 36.Nd7 Qd7–/+)) 33.h3 Ng8 34.Rf3 Ne7 35.f5+= ef5 36.gf5 Qd7? 37.Ne5+– Qc8 38.f6 gf6 39.Ng4 f5 40.Nh6 Qe6+= 41.Qg3?? Rb4 42.Qh4+= Nac6 43.Nf5? Nf5–+ 44.Qh8 Ke7 45.Nb5 Rb1 46.Kg2 Qe2 47.Rf2 Qe4 48.Rf3 Nh4 (48...Nh4 49.Qh4 Qh4 50.Re3 Kf8 51.Re2 Qg5 52.Kf3 Rb3 53.Nc3 Rc3 54.Re3 Re3 55.Kf2 Qg3 56.Kf1 Re1#; 48...Rb2 49.Kg1 Qe1 50.Rf1 Qg3 51.Kh1 Rh2#) 0–1. Gomes,Antonio Jose – Luz,J (1905), I Open, Vitoria BRA, 2006. (=1.d4 Nf6 2.Nf3 e6 3.a3 d5 4.b4)

4.d4 b6 5.Ne5 Bb7 6.Bb2 c5 7.bc5 bc5 8.dc5 Bc5 9.e3 Qb6 10.Bc3 0–0 11.Nf3 Ne4 12.Bd3? (12.Bd4 Nc6+=) 12...a5?? (better is 12...Be3 13.fe3 Qe3 14.Qe2 Qc1 15.Qd1 Qd1 16.Kd1 Nf2 17.Ke2 Nh1–/+) 13.Be4 de4 14.Nd4 e5 15.Nf5 Qf6 16.g4 (16.Qg4=) 16...Ba6?? (better is 16...Rd8 17.Nd2 Bd5–/+) 17.Qd5+= (worse is 17.Ba5 Bc8 18.Bd2 Rd8+=) 17...Qc6 18.Qe5 Nd7 1–0. arvek – Ole P, ChessWorld.net, 2012.

4.d4 b6 5.Bg5 Nbd7 6.Ne5 Be7?? (6...c5 7.c3=) 7.Nd3 (better is 7.Nc6+–) 7...0–0 8.h3 Ne4 9.Be7 Qe7 10.e3 Ba6 11.Be2 Rac8 12.0–0 c5 13.Qe1? (better is 13.dc5!? bc5 14.Nf4 Be2 15.Ne2+=) 13...cd4–+ 14.Bd1? de3 15.Qe3 Qd6 16.Re1 Bb7 17.Ra2 Ne5 18.Qd4 Rc4?? 19.Qe5+– Qe5 20.Ne5 Rd4? 21.c3 Rc4 22.Nc4 dc4 23.Bc2 Nf6 24.Nd2 b5 25.Nf1 Rd8 26.a4 a6 27.f3 g6 28.ab5 ab5 29.Ra7 Bc6 30.Rc7 Be8 31.Rc5 Ra8 32.Be4 Ra3 33.Re3 h5 34.Bc6 (34.Bc6 Bc6 35.Rc6+–) 1–0. capacuba (2310) – bmurtinho (1925), net–chess.com, 2011. (=1.d4 d5 2.Nf3 Nf6 3.a3 e6 4.b4)

4.d4 Nc6 5.e3 Ne4 6.Nfd2 f5 7.Ne4 fe4 8.Be2 Qg5 9.g3 e5 10.Bh5 g6 11.Be2 Bg7 12.h4 Qf6 13.Bb2 ed4 14.b5 Ne5 15.Bd4 0–0 16.0–0 Qf5 17.Be5 Qe5 18.c3 Bh3 19.Re1 Qf5 20.Rf1 Bf1 21.Qf1 c5 22.a4 d4 23.cd4 cd4 24.Ra2 d3 25.Bd1 Bh6 26.Qe1 Rac8 27.Nc3 Bg7 28.g4 Qe6 29.Ra3 Rfe8 30.Bb3 Rc4 31.Bc4 Qc4 32.Qd2 Qe6 33.Qd1 Rf8 34.Nb1 Rf3 35.Qb3 Qb3 36.Rb3 Rh3 37.Rb4 d2 38.Nd2 Bc3 39.Re4 Bd2 40.g5 Rf3 41.Kg2 Rf7 42.f4 Kf8 43.Kf2 Rc7 44.Ke2 Ba5 45.Rd4 Re7 46.e4 Rc7 47.e5 Ke7 48.Kf3 Ke6 49.Kg4 Rc1 50.Rd6 Ke7 51.Rf6 Rc4 52.h5 Bd2 53.a5 gh5 54.Kh5 Bf4 55.Rh6 Be5 56.Rh7 Kf8 57.Rb7 Bd4 58.g6 Rc5 59.Kg4 Rd5 60.b6 a6 61.Rc7 Be5 62.Rf7 Kg8 63.Ra7 Ra5 64.b7 Rb5 65.Kf3 a5 66.Ke4 Bc7 67.Kd3 Kg7 68.b8Q Rb8 69.Rc7 Kg6 70.Ra7 Rb5 71.Kc4 Rh5 72.Kb3 Kf6 73.Ka4 Ke6 74.Ra5 Ra5 75.Ka5 Kd5 ½–½. capacuba (2320) – snowcert (2425), net–chess.com, 2014. (=1.d4 d5 2.Nf3 Nf6 3.a3 e6 4.b4 Nc6)

4.d4 Bd7 5.e3 Ba4 (5...Bd6 6.Bd3=) 6.Nc3 Nc6?? (better is 6...Bd7=) 7.Na4+– Bd6 8.Bb5 (8.Bd3 0–0+–) 8...a6 (8...0–0 9.0–0+–) 9.Bc6 bc6 10.0–0 (10.c4 dc4 11.Qc2 a5+–) 10...0–0 (10...a5 11.c4!+–) 11.Bb2 (11.c4 a5+–) 11...Qd7 (11...a5 12.Nc5+–) 12.Qd3 h6 13.Ne5 Be5 14.de5 Ne8 15.Nc5 Qc8 16.h3 f6 17.ef6 Nf6 18.Bf6 Rf6 19.e4 de4 20.Qe4 Qf8 21.Ne6 Qf7 22.Nc5 Re8 23.Qd3 Re5 24.Nd7 Rd5 25.Nf6 Qf6 26.Qa6 Rd2 27.Qc8 Kh7 28.c4 Qc3 29.Qf5 Kg8 30.Rfe1 Qc4 31.Re8 1–0. iboyd (1950) – oracleinshadows (1725), net–chess.com, 2006.

4.d4 g6 5.Nbd2 Bg7 6.e3 0–0 7.Bb2 b6 8.c4 dc4 9.Bc4 Bb7 10.0–0 Qe7 11.Qb3 Nbd7 12.Rac1 Rfc8 13.Rc2 c5 14.bc5 Bf3 15.Nf3 (worse is 15.gf3 bc5 16.Rd1 Rab8+=) 15...bc5 16.Rfc1 Rab8 17.Qa4 (better is 17.Qa2!?+=) 17...Nb6+= 18.Qa6 Ne4 (better is 18...cd4 19.Bd4 Rc4 20.Rc4 Nc4 21.Qc4 Qa3+=) 19.Bd3+/– Nf6? (better is 19...f5+/–) 20.dc5+– Nbd5 21.Be5 Nc7 22.Qa7 Ra8 23.Qb7 Rab8 24.Qc6 Nce8 25.Qa4 Ra8 26.Qb4 Nc7 27.a4 Nd7 28.Bd6 Qf6 29.Bb5 Rab8 30.Qc4 Nb5 31.ab5 (31.Bb8?! Na3 32.Qa6 Rb8+–) 31...Nb6 (31...Ra8 32.Qh4+–) 32.Qd4 (32.cb6 Rc4 33.Rc4 Qf5 34.Bb8 Qb5 35.Rc8 Bf8+–) 32...Qd8 33.Qd2 (33.Qd2 Ra8 34.Bg3 Qd2 35.Nd2+– (35.Rd2?! Rc5 36.Rcd1 Rb5=); 33.cb6 Rc2 34.Rc2 Bd4–/+) 1–0. Loper,Bert (1690) – Berry,Frank Kimball (1780), Oklahoma op, 1997. (=1.d4 e6 2.a3 Nf6 3.b4 d5 4.Nf3)

4.e3 a6 5.Bb2 Bd6 6.c4 (6.Be2 a5=) 6...dc4 (6...0–0 7.c5 Be7 8.Be2=) 7.Bc4 0–0 8.0–0 b5 9.Be2 c5 10.bc5 Bc5 11.Qb3 Bb7 (11...Qd5 12.Qd5 Nd5 13.Rc1=) 12.d3 (12.Nc3 Nc6=) 12...Nbd7 (12...Bd5 13.Qc2 Bd6 14.e4+–) 13.Nc3 Be7 (13...Rc8 14.a4 b4 15.Ne4=+) 14.Rfd1 (14.a4 b4 15.Ne4 Ne4 16.de4 Qa5=+) 14...Nc5=+ 15.Qc2 Rc8 16.Qb1 (16.Ne5 Na4 17.Rdc1 Nd5–/+) 16...Qc7 (16...Qd6 17.a4 b4 18.Na2–/+) 17.Bc1 (17.a4 b4 18.Na2 Qa5–/+) 17...Ncd7 (17...Rfd8 18.a4 Bf3 19.Bf3=+) 18.Bd2 (18.Bb2 Bd6=+) 18...Nb6 (18...Ne5 19.Ne5 Qe5 20.d4=+) 19.e4 Nfd7 (19...Qd6 20.e5 Qd7 21.ef6 Bf6 22.d4+–) 20.Rc1= Qb8 21.Nd1 (21.Be3 Qd6=) 21...Rc1 22.Bc1 Rd8 23.Be3 Na4 24.d4 Ndb6 25.Ne5 Bd6=+ 26.Nf3 Qc7 27.h3 Rc8 28.Bd3 Be7 29.Nd2 Nc3 30.Nc3 Qc3 31.Nb3 Nc4–/+ 32.Bc4 bc4 33.Nd2 Ba8 34.a4 a5 35.Ra2 Qb4 36.Qc2 c3 37.Nb1 Qc4 38.f3 Bb7 39.Na3 Ba3 40.Ra3=+ Ba6 41.Kh2 Qb4 42.Qb3 c2 43.Qb4 ab4 44.Rb3 c1Q 45.Bc1=+ Rc1 46.Rb4 Rc8 47.Rb6 Bc4 48.a5 Ra8 49.Rc6 Ba6 50.Rc5 Kf8 51.Kg3 Ra7 52.Kf4=+ Ke7 53.Ke3 Kd6 54.g4 h6 55.h4 Kd7 56.d5 Rb7 57.Rc6 Rb3 58.Kf4? Bd3 59.Rc5? Bb5 60.de6–/+ fe6 61.Rc3?? Rb2 62.Ra3=+ Kc8 63.a6 Kb8 64.a7 Ka8 ½–½. Pignataro,Louis (1840) – Maissa,Frederic (2120), Hautes Alpes op 3rd, 2002.

4.e3 a6 5.c4= a5 6.b5 =.

4.e3 a6 5.c4 dc4 6.Bc4 Be7 7.d4 0–0 8.0–0 b5 9.Bd3 Bb7 10.Nc3 Bd6 11.e4+/– Be7 12.Qc2 g6 13.e5 Bf3 14.ef6 Bg2?? 15.fe7+– Qe7 16.Kg2 Nd7 17.Ne2 Rac8 18.Be4 Nf6 19.Bg5 Kg7 20.Qc1 Rh8 21.Qf4 h6 22.Qf6 (22.Qf6 Qf6 23.Bf6 Kf6 24.Rfc1+–) 1–0. nitousche – colinwebb, ChessWorld.net, 2004.

4.e3 a6 5.c4= c5 6.bc5 Bc5 7.d4 Ba7 (7...Be7 8.cd5 ed5 9.Bd3=) 8.Nbd2 Nc6 9.Bd3 0–0 10.0–0 Re8 11.Bb2 Bb8 12.e4 de4 13.Ne4 Ba7 14.d5 (14.Re1 Ne4 (14...Nd4? 15.Nf6 Qf6 16.Bd4 Bd4 17.Nd4+–; 14...Bd4?? 15.Nd4 Ne5 16.Nf6 Qf6 17.Nb5 ab5 18.Be5+–) 15.Be4 f5+/–) 14...Ne4+= 15.Be4 ed5 16.cd5 (16.Bd5 Be6+=) 16...Re4= 17.dc6 Qc7? (better is 17...Qe7!? 18.Qd3 Re6=) 18.Be5+/– Qe7 (18...Qa5!? 19.Qd6 Bc5+/–) 19.Qd5+– Rg4 20.c7 Bf5? (better is 20...Bc5+–) 21.Qb7 Qe8 (21...Qf8 22.h3 Be4+–) 22.Rad1 (22.Rad1 Bb6 23.Qb6+–) 1–0. Logvinov,Kirill (2105) – Bobro,Igor (1865), Anna RUS, Gagarin Mem, 2014.

4.e3 b6 5.Bb2 c5 6.bc5 bc5 7.Be2 Bd6 8.0–0 0–0 9.d4 c4=+ 10.Nbd2 Nbd7 11.c3 Nb6 12.Qc2 Bd7 13.e4 Ba4 14.Qb1 Nh5 15.e5 Be7 16.Bd1 Nf4 17.Bc2 Bc2 18.Qc2 f6 19.Bc1 Nd3 20.Ne1 Nc1–/+ 21.Qc1 fe5 22.de5 Na4 23.Nef3 Qa5 24.Nd4 Nc3 25.Nc6?? Ne2–+ 26.Kh1 Nc1 27.Na5 Nd3 28.Nf3 Bc5 29.Ra2 Rab8 30.Nc6 Rb7 31.Nfd4 Bd4 32.Nd4 Nf2! 33.Kg1 Nd3 34.Rf8 Kf8 35.g3 Ke7 36.Re2 Rb1 37.Kg2 a6 38.Kf3 Rb2 39.Rb2 Nb2 40.Ke3 Kd7 41.Nc2 Nd3 42.Kd4 a5 43.Ne3 Ke7 44.Nd1 Kf7 45.Nc3 Kg6 46.Nb5 Kf5 47.Nd6 Kg4 48.Nb7 a4 49.Nd8 Nc5! 50.Nc6 Ne4 51.Nd8 Ng5 52.Kc3 Kf5 53.h4 Nf3 54.Kb4 Ke5 55.Ka4 Nd4 56.Kb4 Nc2 57.Ka4 Kf5 58.Nf7 h6 59.Nd6 Kg4 60.Nb5 Kg3 61.Ka5 Na3! 62.Na3 Kh4 63.Kb4 Kg3 64.Kc3 h5 65.Nc2 h4 66.Ne1 h3 67.Kd2 h2 0–1. Sweeney – Olson, Oregon, 1985.

4.e3 b6 5.d4 Bb7 6.c4 c5 7.cd5 Nd5 8.Ne5 a6 9.bc5 bc5 10.Bd3 Bd6 11.0–0 0–0 12.Qh5 Nf6 13.Qh4 (13.Qh3 Be5 14.de5 Qd3 15.ef6 gf6+=) 13...cd4 14.ed4 Be5 15.de5 Qd3 16.ef6 Qg6 17.f3 Qf6 18.Qf6 gf6 19.Nc3 Nd7 20.Rb1 Bc6 21.Rb4 Kh8 22.Rd1 Rg8 23.Kf2 Rgb8 24.Rbd4 Rb7 25.Rd6 Rc8 26.Bh6 f5 27.R1d2 Rcc7 28.Ne2 Rb5?? (better is 28...Kg8=) 29.Rc2+– 1–0. Pal,Peter (2200) – Horvath,Tamas5 (1680), Zalakaros op, 2004. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5)

4.e3 c6 5.c4 Be7 6.Be2 0–0 7.0–0 Nbd7 8.cd5 ed5 9.Bb2 a5 10.b5 c5 11.a4 Re8 12.d3 b6 13.Nbd2 Bb7 14.Rc1 Bf8 15.Rc2 g6 16.g3 Bg7 17.Nh4 Rc8 18.Ng2 Rc7 19.Qa1 d4 20.Nc4 Ne5 21.Ne5 Re5 22.ed4 cd4 23.Rc7 Qc7 24.Bd4 Re2 25.Bf6 Bf6 26.Qf6 Re6 27.Qd4 Rd6 28.Qe5 Qd7 29.Nf4 f6 30.Qe3 g5 31.Ng2 Rd3 32.Qb6 Qd5 33.f3 Rf3 34.Rf3 Qf3 35.Qf2 Qd1 36.Ne1 (36.Qe1 Qd4 37.Qe3=) 36...Qd5?? (better is 36...Kf7–/+) 37.Qf6+= Qh1 38.Kf2 Qh2 39.Ke3 (39.Kf1!? Qh1 40.Ke2 Qe4 41.Kf2+=) 39...Qg3= 40.Kd2 1–0. Gurgenidze,Bukhuti (2340) – Dgebuadze,Alexandre (2470), GEO–ch Tbilisi, 1996. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5)

4.e3 c6 5.d4 a5 6.b5 Qb6 7.a4 Ne4 8.Bd3 Bb4 9.Bd2 0–0 10.0–0 Nd2 11.Nbd2 Bd7 12.c4 dc4 13.Nc4 Qd8 14.Nb2 cb5 15.ab5 b6 16.Ne5 Ra7 17.Na4 Be8 18.Qb3 Bd6 19.Rfc1 Bc7 20.Rc3 Qd6 21.g3 Bd7? (better is 21...Qe7+–) 22.Nc4 Qb4 23.Ncb6 (23.Nab6?! Qb5 24.Nd7 Qd7+–) 23...Bb5 24.Qb4 (24.Bb5?! Bb6 25.Nb6 Rb7+–) 24...ab4 25.Raa3?? (better is 25.Rc7 Rc7 26.Bb5+–) 25...Bb6 (better is 25...Bd3 26.Rc7 ba3 27.Ra7–+) 26.Bb5 ba3 27.Ra3 Ra5 28.Rb3 Bd8 29.Nb2 Bf6 30.Nc4 Ra1 31.Kg2 Na6 32.Nb6 Rd8 33.Be2 g6 34.Rb5 Nc7 35.Rc5 Nd5 (35...Nd5 36.Nd5 Rd5–+ (worse is 36...ed5 37.Bf3–+)) 0–1. aspasio – iozeph (2700), net–chess.com, 2015.

4.e3 Nc6 5.Bb5 Bd7 6.Bb2 Be7 7.Bc6 Bc6 8.Nc3 0–0 9.0–0 Re8 10.Ne5 a6 11.Nc6 bc6 12.Ne2 Bd6 13.Ng3 Bg3 14.fg3 e5 15.d3 Qd6 16.Qf3 e4 (16...a5 17.ba5 Qe6 18.Bc3=) 17.Qf4 Rac8 (17...Qf4!? 18.Rf4 ed3 19.cd3 Re3 20.Bf6 gf6 21.Rf6 Rd3 22.Rc6 Ra7=) 18.Qg5 Re6 19.Bf6 Rf6 20.Rf6 Qf6 21.Qf6 gf6 22.de4 de4 23.c4 Kg7 24.Rd1 h6 25.g4 Kg6 26.h4 (26.Rd7 a5+/–) 26...f5 27.gf5 Kf5 28.Kf2 f6 29.Kg3 Rg8 30.Kh3 Rg4?? (30...Ke6!?+/–) 31.g3 (better is 31.Rf1 Kg6 32.Kg4+–) 31...Rg7 32.a4 Re7 33.g4 Kg6 34.Kg3 Re5? 35.Rd7 Re6 36.Rc7 f5 37.b5 cb5 38.cb5 ab5 39.ab5 fg4 40.Kg4 h5 41.Kf4 Rf6 42.Ke4 Re6 43.Kf3 Rf6 44.Kg3 Rb6 45.Rc6 Rc6 46.bc6 Kf7 47.c7 (47.c7 Ke8 48.c8Q Ke7 49.Qc5 Ke6 50.e4 Kd7 51.e5 Ke6 52.Qd6 Kf7 53.e6 Kg7 54.Qe7 Kg8 55.Qf7 Kh8 56.Qf8 Kh7 57.e7 Kg6 58.e8Q Kh7 59.Qh5) 1–0. Mr.Oldenslo – pieeater, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6)

4.e3 Nc6 5.Nc3 Bd6 6.Bb2 b6 7.Nb5 Ne5?? 8.Be5 Be5 9.Ne5 Bb7 10.Bd3 g6 11.Qf3 0–0 12.Nc7! Qc7 13.Qf6 Rad8 14.0–0 a5 15.h3 h5 16.ba5 ba5 17.Rab1 Qe5 18.Qe5 (18.Qe5 Bc8 19.Qc7+–) 1–0. Anonymous – Anonymous, sv.lichess.org, 2011.

4.e3 Nc6 5.d4 Bd6 6.Bb5 Bd7 7.c4 Be7 8.cd5 Nd5 9.e4 Nf6 10.Bd3 0–0 11.Nc3 Re8 12.0–0 a6 13.Qc2 b5? (better is 13...h6+/–) 14.e5+– Nh5 15.Bh7 Kh8 16.g4 (better is 16.Be4 Rf8 17.Ne2+–) 16...Nf6?? (16...g6 17.Bg6 Nb4+–) 17.Ng5 Rf8 18.ef6 Bf6 19.Bg8! Rg8 (19...Rg8 20.Nf7 Mate attack; 19...Kg8 20.Qh7 Mate attack) 20.Qh7 (20.Nf7) 1–0. ICCFmember – pieeater, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6)

4.g3 a5 5.ba5 Bd6 6.c4 Ra5 7.cd5 ed5 8.Bg2 0–0 9.Bb2 Nc6 10.0–0 Re8 11.e3 Ra6 12.Nc3 Bf5 13.d4 Rb6 14.Qd2 Qd7 15.Rad1 Rb3 16.Qc1 Bg4 17.Rde1 Rb6 18.Nd2 Qe6 19.Na4 Rb5 20.e4 de4 21.Nc3 Ra5 22.d5 Nd5 23.Be4 Ne5 24.Nd5 Rd5 25.Be5 Be5 26.Bd5 Qd5 27.Qc4 Qd7 28.Re3 b5 29.Qc2 c6 30.Rfe1 f6 31.a4 Rd8 32.ab5 cb5 33.Ne4 Rc8 34.Qb1 Rc4 35.Ng5 g6 36.Qa2 Kf8 37.Qb3 Kg7 38.h3 h6 39.hg4 hg5 40.Rd3 Qc6 41.Qd1 b4 42.Rd8 Kh7 43.Qe2 b3 44.Qe3 Qb7 45.Qd3 Rc3? 46.Rd7+– Kh8 47.Qd6!! Qd7 48.Qd7 b2 49.Qd2 Kg7 50.Kg2 Rc7 51.Qb4 Rd7 52.f4 gf4 53.gf4 Bd4 54.Re8 Rf7 55.Qb8 f5 56.Rg8 Kh6 57.Qd8 Bf6 58.g5 Kh5 59.Kg3 b1Q 60.Rh8! Bh8 61.Qh8 Rh7 62.Qh7# 1–0. GLChess207e – Techno150, computer chess game, 2000.

4.g3 c5 5.bc5 Bc5 6.d4 Bd6 7.Nc3 0–0 8.Bg2 Nc6 9.0–0 b6 10.Nb5 Be7 11.c4 Ba6 (worse is 11...dc4 12.Ne5 Ne5 13.Ba8+=) 12.Qa4 Bb5 13.cb5 Nb8 14.Bf4 Nbd7 15.Rac1 Nh5 16.Bd2 f5 17.Rc6 Rf6 18.Ne5 Ne5 19.de5 Rg6 20.Bf3 Bg5 21.Bh5 Bd2 22.Bg6 hg6 23.Re6 f4 24.Qd4 Ba5 25.Rg6 fg3 26.fg3 Qe8 27.Qd5 Kh7 28.Rg4 Rd8 29.Rh4 Kg6 30.Qe4 Kg5 31.Qf5# 1–0. usingprogram (1980) – dmitriy (1725), kurnik, 2011.

4.g3 c5 5.bc5 Bc5 6.d4 Bd6 7.Bf4 0–0 8.Bd6 Qd6 9.Bg2 Bd7 10.Qd3 a6 11.0–0 Bb5 12.Qe3 Rc8 13.a4 Be8 14.Rc1 Rc4 15.a5 Qc7 16.c3 Ra4 17.Ra4 Ba4 18.c4 dc4 (18...Qa5 19.cd5 Qd5 20.Nc3+–) 19.Ne5 Nc6 20.Nc4 (worse is 20.Rc4 Qa5 21.Qc1 Nd5+=) 20...Nd7 21.Nba3 Rc8 22.Ra1 Na5 23.Na5 Qa5 24.Rc1 (24.Bb7? Rc3 25.Qf4 Qb4 26.Ba6 Qb2–+) 24...Rc1 25.Qc1 b5 26.Nb1 b4 27.Nd2 Bb5 28.e3 Qa3 29.Qc8 Nf8 30.Qc2 Qc3 31.Qd1 b3! 32.Bf1 (32.Qb3 Qd2 Deflection; 32.Nb3 Ba4 Decoy) 32...b2 (32...Qc2!? 33.Qc2 bc2 34.Nb3–+) 33.Bb5–/+ ab5 34.Nb3 Nd7 35.Kf1? (better is 35.h3–+) 35...Qc4 36.Ke1 Nf6 37.Nd2 Qc1 (37...Qc1 38.Ke2 Ne4 39.Qc1 bc1Q (39...bc1B?! 40.Ne4 Ba3 41.Kd3+=) 40.Ne4 Qc2 41.Nd2 b4–+) 0–1. Fantoni,Franco – Smith,Barry, friendly UECC Email, 1998. (=1.Nf3 Nf6 2.g3 d5 3.b4 e6 4.a3)

4.g3 c5 5.bc5 Bc5 6.d4 Bd6 7.Bf4 b6 8.e3 Ba6 9.Ba6 Na6 10.Bg5 Be7 11.Qd3 Nc7 12.Nbd2 0–0 13.0–0 Rc8 14.Bf6 Bf6 15.c4 dc4 16.Nc4 Nd5 17.Rfc1 b5 18.Ncd2 a6 19.Nb3 Be7 20.a4 ba4 21.Rc8 Qc8 22.Ra4 Nb4 23.Qd1 Qc6 24.Ra5 Bd6 25.Nfd2 Rb8 ½–½. Riepe,Bernhard (2050) – Schwenger,Kurt (1950), Telechess, 2004.

4.g3 c6 5.c3 a5 6.Bb2 Bd6 7.d3 0–0 8.Nbd2 e5 9.Bg2 e4 10.de4 de4 11.Nd4 e3 12.fe3 Ng4 13.Nc4 Nh2 14.Nd6 Qd6 15.Nf5 Qd1 16.Rd1= Bf5 17.Rh2 Nd7 18.Rh5 Be6 19.Ra5 Ra5 20.ba5 Ra8 21.Rd4 Ra5 22.Rb4 Ra7 23.c4 Kf8 24.Kf2 g6 25.a4 Ke7 26.Bc3 Kd6 27.a5 Ra5–+ 28.Rb7 Ra4 29.Bg7 f6 30.Bh6 g5 31.Be4–/+ Bc4 32.Bf5 (32.Bf5 Be6 33.Bh7–/+). gtate (2765) – yourmove (2645), net–chess.com, 2009.

4.g3 Bd6 5.d4 0–0 6.c3 a5 7.Bh3 ab4–+ 8.Bg5 ba3 9.c4 dc4 10.Nbd2 b5 11.Bg2 Bb7 12.Nh4 Bg2 13.Ng2 Bb4 14.e3 c3 15.0–0 cd2 16.Bf6 Qf6 17.Ra2 Bc3 18.Nf4 b4 19.Ne2 b3 20.Qb3 Bb2 21.Rd1 Na6 22.Rd2 Rfb8 23.Qd1 Nb4 24.Rab2 ab2 25.Rb2 c5 26.g4 Qf3 27.Qb1 cd4 28.Nd4 Qg4 29.Kf1 Qh3 30.Ke2 Qh5 31.Nf3 Qb5 32.Kd2 e5 33.h3 Qd5 34.Ke2 Qc4 35.Kd2 Rd8 36.Nd4 ed4 37.e4 Qc3 38.Ke2 d3 39.Kf1 d2 40.Rd2 Rd2 41.Kg1 Qf3 42.Qf1 Ra1! 43.Qe1 Qf2 44.Kh1 Qe1 0–1. Albacetti, Sergio (2310) – Lambrecht, Roberto (2560), Sinergia_04 (Sinergia) (5), 2000.

4.g3 Bd6 5.d4 0–0 6.Bg2 a5 7.b5 c6 8.bc6 Nc6 9.0–0 b5 10.Nbd2 b4 11.ab4 Bb4 12.Ba3 Ba3 13.Ra3 Ba6 14.Re1 Ne4 15.e3 Qd6 16.Qa1 Nd2 17.Nd2 Rfb8 18.Rc1 Qb4 19.Nb3 The isolani on a5 becomes a target 19...Be2 20.Nc5 Bc4 21.c3 Qb2 22.Bf1 Bf1 23.Qb2 Rb2 24.Kf1 Rab8 25.c4 Rb1 26.Rac3 Ne7 27.Nd7 R8b7 28.Rb1 Rb1 29.Ke2 dc4 30.Rc4 Rb2 ½–½. Lamailloux,Michel – Manne,Xavier, FRA AJEC/2406 corr, 1994. (=1.Nf3 d5 2.b4 Nf6 3.g3 e6 4.a3)

4.g3 Bd7 5.Bb2 c5 6.c3 Bd6 7.d3 0–0 8.Bg2 Bc6 (8...Bc6 9.0–0 Nbd7=+; 8...b5 9.0–0=+) 0–1. geebs (2225) – vectra (2575), net–chess.com, 2005.

4.g3 Nbd7 5.Bb2 h5 =.

4.g3 Nbd7 5.Bg2 a5 6.b5 Bd6 7.0–0 0–0 8.Nc3 c5 9.bc6 bc6 10.d4 Ba6 11.Re1 Rb8 12.e4 de4 13.Ng5 c5 14.Nce4 Ne4 15.Ne4+= Nf6 16.Nc5+/– Bc5 17.dc5+– Qc7 18.Bf4 (18.Bf4 Qc5 19.Bd6+–) 1–0. Anonymous – hadjid, internet, 2011.

4.g3 Nbd7 5.Bg2 Bd6 6.0–0 (6.d3 c5+=) 6...0–0 (6...c6 7.c4+=) 7.d3 c6 8.c4 a5 9.c5 (9.b5 Qc7=) 9...Bc7 (9...Be7 10.Bb2=) 10.Bb2 ab4 11.ab4 Ra1 12.Ba1 b6 13.Qc2 bc5 14.bc5 Ba6 (14...e5 15.e4=) 15.Nd4 Qa8 16.Nd2 Rb8 17.Rc1 Ba5 18.Bc3 Bb4 19.Bb4 Rb4 20.Ra1 (20.Qc3 Rb8=) 20...Qb7 (20...Rd4!? deserves consideration 21.Qc3 Rg4=) 21.Qc3 Rb2?? (better is 21...Nb8+= is just about the only chance) 22.N4b3 (22.N4b3 Rd2 23.Nd2+–) 1–0. Weyrich,Morten (2320) – Hummel,Dirk (2265), Oberliga Nord W, 2001. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.g3)

4.g3 g6 5.Bb2= Bg7 6.Bg2 Nbd7 7.d3 0–0 8.Nbd2 c6 9.0–0 c5 10.c3 cb4 11.ab4 b5 12.e3 Bb7 13.Nd4 a6 14.N2f3 e5 15.Nb3 Rc8 16.Rc1 Bh6 17.Ra1 e4 18.Nfd4 Ne5 19.de4 de4= 20.Nc5 Qb6 21.Ra5?? Nc4 22.Ra2=+ Nb2 23.Rb2= a5? 24.Nb7+/– Qb7 25.ba5 Rc3 26.Rb5 Qa6? 27.Qa1 Rd3?? 28.Rb6 Qc4 29.Rf6 Bg7 30.Rc6 Qc6 31.Nc6 Ba1 32.Ra1 f5 33.a6 Kf7 34.Ne5 Kf6 35.Nd3 ed3 36.a7 d2 37.a8Q Ra8 38.Ba8 (< 38.Ra8 d1Q 39.Bf1 g5=+) 1–0. mic (2135) – mrazo (2255), net–chess.com, 2007.

4.h4 a5 5.b5 Bd7 6.Nc3 Bd6 7.e3 c6 8.a4 e5 9.d4 ed4 10.Nd4 c5 11.Ba3? cd4–+ 12.Bd6 dc3 13.f3 Be6 14.Be5 Nbd7 15.Bd6? Qb6 (15...Qb6 16.Bf4 Nh5–+). Izzy5150 – magne, ChessWorld.net, 2005.

4.d4 a5

5.ba5 c5 6.Bd2 Nc6 7.e3 c4 8.Be2 Bd6 9.0–0 Bd7 10.Nc3 Na5 (worse is 10...Qa5 11.e4 de4 12.Ne4+/–) 11.a4 0–0 12.Rb1 Qc7 13.Nb5 Bb5 14.ab5 b6 15.Qe1 Nb7 16.Ra1 Qd7 17.Ra8 Ra8 18.Qb1 Ne4 19.Be1 f6 20.h3 Ra3 21.Nh2 Bh2 22.Kh2 Nbd6 23.Bb4 Ra7 24.f3 Ng5 25.Bd6 Qd6 26.f4 Ra3 ½–½. Da Silva,Celso Luiz – Amorim,Douglas Airton Ferr, BRA TBI–C–XI–XII–P–0038 corr, 1993. (=1.d4 Nf6 2.b4 e6 3.a3 d5 4.Nf3)

5.b5 a4 6.e3 (6.c4 dc4 7.Qc2 Nbd7 8.Nbd2 c3 9.Nb1 Bd6 10.Nc3 0–0 11.g3 Nd5 12.Bg2 N7f6) 6...c5 (6...Nbd7 7.Nc3 b6 8.Bd3 Bb7 9.0–0 Bd6 10.Re1 Ne4 11.Bb2 0–0 12.Be4 de4) 7.c4 (7.Bb2 Nbd7 8.c4 Bd6 9.cd5 ed5 10.Nc3 0–0 11.Be2 c4 12.0–0 Nb6) 7...Nbd7 (7...cd4 8.ed4 Be7 9.c5 Ne4 10.Bd2 Nd7 11.Nc3 Bf6 12.c6 Ndc5) 8.Be2 (8.Nc3 cd4 9.ed4 dc4 10.Bc4 Qc7 11.Qd3 Nb6 12.Ba2 Bd6) 8...cd4 9.Qd4 (9.0–0 dc4 10.Qd4 Nb6 11.Qd8 Kd8 12.Ne5 Ke8) 9...Nc5 (9...Bc5 10.Qc3 0–0 11.Bb2 dc4 12.Qc4 b6) 10.Nbd2 Be7 (10...Bd6 11.0–0 0–0 12.Bb2 b6) 11.Bb2 (11.0–0 b6 12.Ne5 Nb3) 11...Rg8 (11...0–0 12.0–0 dc4) 12.cd5 (12.0–0 dc4) 12...ed5 (12...Qd5+=) 13.0–0 Be6 14.Rad1 Nfe4 15.Bc1 Bf6 16.Ne5 Qc7 17.f4 Nd2 18.Bd2 (worse is 18.Rd2 Nb3 19.b6 Qd6–/+) 18...Nb3 19.Qb2 Qb6 20.Bd3 0–0–0 21.Kh1 Kb8 22.Bc2 Nd2 23.Rd2 Qe3 24.Ba4 Be5 25.fe5 Rc8 26.b6 Qc3 27.Bb5 Qa5 (27...d4!?+=) 28.Rd3 Rc5 29.Rb3 Rgc8 30.Bd3 g6 31.Rb1 Rc3 32.a4 Rb3 33.Qb3 Qc3 34.h3 Qb3 35.Rb3 Rc1 36.Kh2 Ra1 37.Bb5 Rc1 38.Rd3 h5 39.h4 Kc8 40.Kg3 Rc2 41.Kf3 Kd8 42.g3 Ke7 43.Ke3 f6 44.ef6 Kf6 45.Kd4 Rc1 46.a5 Bc8 47.Kd5 Ra1 48.Kd6 Ra5 49.Rd5 Bf5 50.Kc7 Be4 51.Rd6 Ke5 52.Bd3 Rc5 53.Kd7 Bd3 54.Rd3 Rc6 55.Rb3 Kd5 56.Rb5 Kc4 57.Rg5 Rb6 58.Ke7 Rb3 59.Rg6 b5 60.g4 Rh3 61.gh5 Rh4 62.Rc6 Kd3 63.h6 b4 64.Kd7 b3 65.Ke7 b2 66.Rb6 Kc2 67.Rc6 Kd3 68.Rb6 Kc2 69.Rc6 Kb3 70.Rb6 Ka3 71.Ra6+= Kb3 72.Rb6 Kc2 73.Rc6+= Kd3 74.Rb6 ½–½. Ramos Moreno,F (2110) – Ortega Ruiz,J (2290), XI Open, Malaga ESP, 2008. (=1.Nf3 Nf6 2.a3 d5 3.b4 e6 4.d4)

5.b5 c5 6.dc5 Bc5 7.a4 (7.Bb2 0–0=) 7...0–0 (7...Ne4 8.e3–/+) 8.Bb2 Nbd7 9.e3 b6 10.Nbd2 Bb7 11.Nb3 Bb4 12.c3 Bd6 13.Nfd2 e5 (13...Rc8 14.Rc1–/+) 14.Be2+= Rc8 15.0–0 Qe7 16.Bf3 Rc7 17.Re1 Rfc8 18.e4 de4 19.Ne4 Ne4 20.Be4 Be4 21.Re4 Nf6 22.Re2 e4 23.Nd4 (better is 23.c4+=) 23...Bh2?? (better is 23...Rd7–/+) 24.Kh2+/– Ng4 25.Kh3 Qd7 26.Kg3 f5 27.Qb3 Rc4 28.f4 Kh8 (28...Qf7 29.Rae1+/–) 29.Rh1 Qd6 30.Re4?? (better is 30.Rh5 g6 31.Rh4+/–) 30…fe4–+ 0–1. opportunity (2185) – scheveloper (2190), net–chess.com, 2010. (=1.d4 Nf6 2.b4 e6 3.a3 d5 4.Nf3)

5.b5 c5 6.bc6 Nc6 7.e3 Bd6 8.c4 Black has a new backward pawn: b7 8...0–0 9.Nc3 White should quickly conclude development. 9...Re8 10.Be2 Bf8 (10...dc4 11.Bc4 e5 12.Ng5=) 11.Qb3 (11.0–0 Rb8+=) 11...h6 Prevents intrusion on g5 (11...a4 12.Qb1=) 12.0–0 Bd7 13.Rd1 (13.Qb7?? that pawn is deadly bait and will cause White grave problems 13...Rb8 14.Qa6 Rb6 15.Qb6 Qb6–+) 13...a4 14.Qa2 dc4 15.Bc4 Na5 16.Ne5 (16.Bd3 Nb3 17.Rb1 Qc7=) 16...Nc4 (16...Rc8!? 17.Bd2 Nc4 18.Nc4 Ng4+=) 17.Qc4= Qa5 18.Bd2 Rec8 19.Qd3 Be8 20.Rdb1 Qc7 21.Rc1 Qd8 22.h3 Bd6 23.f4 (23.Nc4 Bf8=) 23...Bc7 24.Rab1 Ba5 (24...b6 25.Rf1=) 25.Nc4 (25.Rb7!? is worth looking at 25...Nd7 26.Rb2=) 25...Bc3 26.Rc3 (26.Qc3?? b5 27.Qd3 bc4 28.Rc4 Rc4 29.Qc4 Rc8–+) 26...b5 27.Ne5 Rc3 28.Bc3 Qd5 29.Bb4 Rc8 30.Qe2 (30.f5!?=) 30...Qe4+= 31.Qd3 Rc2 32.Qe4 Ne4 33.Kh2 f6 34.Nd3 Rf2?? 35.Re1?? Rc2 36.Rc1 Rc1 37.Nc1 Nf2 38.Kg3 Nd1 39.Kf3 Bc6 40.Ke2 Nb2 41.g4 g5 42.fg5 hg5 43.Kf2 Kf7 44.Kg3 Nd1 45.Bd2 Nb2 46.Na2 Nc4 47.Bc1 Kg6 48.h4 gh4 49.Kh4 Nd6 50.Kg3 Ne4 51.Kf4 Nf2 52.Bd2 Nd3 53.Kg3 Nb2 54.Nb4 Bb7 55.Bc1 Nc4 56.Kf4 e5 57.Kg3 Nd6 58.d5 Ne4 59.Kf3 Ng5 60.Ke2 Ne4 61.Kf3 Ng5 62.Kg3 Ne4 63.Kh4 Bc8 64.Nc6 Bd7 65.Nb8 Bc8 66.Bb2 Kg7 67.Nc6 Kf8 68.Kh5 Kg7 69.Ne7 Nd6 70.g5 Bd7 71.Nc6 Be8 72.Kg4 Nc4 73.Bc1 Bd7 74.Kh4 Kg6 75.gf6 Kf6 76.e4? Bc6–+ 77.Bg5 Kf7 78.dc6 Ke6 79.c7 Nd6 80.Kg4 Kd7 ½–½. Sebald,Ralph – Kaiser,Michael, Dortmund op–B, 2001. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.d4)

5.b5 c6 6.e3 cb5 7.Bb5 Bd7 8.Nc3 Bb5 9.Nb5 Be7 10.Ne5 Nc6 11.0–0 Ne5 12.de5 Nd7 13.f4 0–0 14.Nd4 Ra6 15.Rb1 Rb6 16.Nb5 Nc5 17.Bd2 Ne4?? (better is 17...Qd7 18.Qe2 Ra8+=) 18.Ba5+– Bc5 (18...Ba3 19.c4+–) 19.Bb6 Bb6 20.Qd3 Nc5 21.Qc3 (21.Qe2!? Ne4+–) 21...Ne4 22.Qe1 Nc5 (better is 22...Ba5!? 23.c3 f6+–) 23.Nd6 Qc7 24.Nb5 Qc6?? (24...Qd8 25.c4 dc4+–) 25.Nd4 Qc7 26.Rb5 Ne4 27.Qb4 Bd4 28.ed4 Qc4?? (28...Qc2 29.Qb2 Qd3+–) 29.Qc4 dc4 30.Rb7 Ra8 31.Rfb1 (31.Rfb1 f6 32.Rb8 Rb8 33.Rb8 Kf7 34.a4 fe5 35.fe5+–) 1–0. Popp,Tony – Wood,Brian B, CFriend SL–2004–0–00016 email, 2004. (=1.a3 d5 2.d4 e6 3.b4 Nf6 4.Nf3)

5.b5 c6 6.e3 Be7 7.c4 0–0 8.Nc3 c5 (8...Nbd7 9.Bb2=) 9.Bb2 (9.dc5 Bc5 10.Bb2 b6=) 9...b6 (9...Nbd7 10.cd5 ed5 11.Be2=) 10.dc5+= Bc5 11.Na4 (11.cd5 ed5 12.Bd3 Bb7+=) 11...Nbd7= 12.cd5 (12.cd5 Nd5 13.Nc5 Nc5 14.Bd4=) 1–0. uberlebende (2155) – frankvelbrati (1830), gameknot.com, 2014.

5.b5 Nbd7 6.e3 c5 7.Be2 cd4 8.ed4 Bd6 9.0–0 0–0 10.Nbd2 b6 11.Re1 Bb7 12.Bd3 Rc8 13.Bb2 Qc7 14.Rc1 Bf4 15.g3 Bh6 16.c3 Ne4 17.a4 Rfd8 18.Rc2 f5 19.Nf1 Qd6 20.Ne3 Rc7 21.Qe2 Rdc8 22.Rec1 Qe7 23.h4 Qf8 24.Nd2 Ndf6 25.Be4 Ne4 26.Ne4 fe4 27.Rf1 g6 28.f3 Rf7 29.f4 Bg7 30.h5 Rf6 31.c4 dc4 32.Rc4 gh5 33.Rc8 Qc8 34.Qh5 Rg6 0–1. Kazimierski,Tomasz – Ethier,Valori (1635), BI–2010–P–00019, 2010. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.d4)

5.Qd3 ab4–/+ 6.a4 c5 7.Qb5 (7.dc5 Na6–/+) 7...Qd7 (7...Bd7 8.Qd3–+) 8.e3 (8.Qd7 Bd7 9.Bf4 c4–+) 8...Qb5 9.Bb5 (9.ab5?? Ra1 10.Nfd2 Ne4–+) 9...Bd7 10.Bb2 Bb5 11.ab5 Ra1 12.Ba1 b6 (12...c4!?–+) 13.dc5–/+ bc5 14.Bf6 gf6 15.0–0 Bd6 16.Nbd2 c4 17.Ra1 0–0 18.b6 Nc6 19.Nd4 (19.b7!? Nd8 20.Ra7–+) 19...Nd4 20.ed4 Rb8 21.Ra6 Kg7 (21...b3 22.Nb3 cb3 23.cb3–+) 22.g3? (22.Nf1 b3 23.cb3 cb3–+) 22...Be7 (22...b3!? 23.c3–+) 23.Ra7 Bd8 24.b7 Bb6 25.Ra4 Rb7 (better is 25...Bd4 26.Nc4 Rb7–+) 26.Rb4–/+ Rb8 27.c3 Ba7 28.Rb8 Bb8 29.f4 e5 30.fe5 fe5 31.Nf3 e4 32.Ne1? (32.Nh4 Bc7 33.Nf5 Kf6–+) 32...Kf6 (better is 32...Bc7–+) 33.Ng2 Kf5 34.Ne3 Ke6 35.Kf2 Bc7 36.h3 f5 37.Ng2 Kd7 38.Ke3? Kc6 39.Kf2 Kb5?? 40.Ne3= Kc6 41.Nf5?? Ba5–+ 42.Ne7 Kd6 43.Nf5 Ke6 44.g4 Bc3 45.Ke3 Bb4 46.Ng7 Kf7 47.Nh5 c3 48.Nf4 c2 49.Ne2 Kg6 50.h4 Be1 51.Nf4 Kf7 52.Ne2 Bh4 53.Kd2 Kg6 54.Nf4 Kg5 55.Nd5 Kg4 56.Kc2 Bf2 57.Kc3? Bd4 58.Kd4+= Kf3 59.Ne3 h5 60.Nf5 Kf4 61.Ne3 h4 62.Ng2 Kg3 63.Nh4 Kh4 ½–½. capacuba (2370) – juditfan (2275), net–chess.com, 2013. (=1.d4 d5 2.Nf3 Nf6 3.b4 e6 4.a3 a5)

4.d4 c6

5.Nbd2 a5!? 6.ba5 Qa5 +=.

5.Nbd2 g6 6.e3= Bg7 7.c4 0–0 8.Be2 Nbd7 9.0–0 Re8 10.Bb2 Qc7 11.Ne5 Ne5 12.de5 Nd7 13.f4 f6 14.ef6 Nf6 15.h3 e5 (15...Qe7!?+=) 16.Be5 Re5 17.fe5 Qe5 18.Qb3 Bh3 19.Bf3 (worse is 19.gh3 Qg3 20.Kh1 Qh3 21.Kg1 Ng4 22.Bg4 Qg4 23.Kh1 Re8–/+) 19...Qg3 20.cd5?? (better is 20.Rf2 Be6 21.cd5 Nd5 22.Ne4=) 20...Ng4–+ 21.dc6 Kh8 22.Rfe1 (22.Rfd1 Bg2! 23.Bg2 Ne3 24.Qd5 Nd5 25.Nf1–+) 22...Qf2 (22...Rf8 23.Qf7 Rf7 24.Nf1 Qf2 25.Kh1 Rf3 26.gh3 Rh3 27.Nh2 Rh2) 23.Kh1–/+ Bg2! 24.Bg2 Qh4 25.Kg1 Rf8 (25...Rf8 26.Qg8 Kg8 27.Bd5 Kh8 28.Re2 Qg3 29.Kh1 Rf5 30.Rg2 Rh5 31.Kg1 Qe3 32.Kf1 Rh1 33.Rg1 Rg1) 0–1. Parry,HJ – Conway,Bryan, corr, 1967. (=1.Nf3 d5 2.d4 Nf6 3.a3 e6 4.b4)

5.e3 a5 6.b5 Be7 =.

5.e3 b5 6.Bb2 Be7 7.Ne5 Nfd7 8.f4 Ne5 9.fe5 0–0 10.Bd3 Bg5 11.Qh5 g6 12.Qh3 Bh4 13.g3 Bg5 14.g4 f5 15.Bc1 Bh4 16.Kd1 fg4 17.Qg4 Qg5 18.Rg1 Qg4 19.Rg4 Be7 20.Ke2 Nd7 21.e4 Nb6 22.Bh6 Rf7 23.h4 Bf8 24.Bf8 Kf8 25.Nd2 Bd7 26.Rag1 Ke7 27.h5 gh5 28.Rg5 de4 (better is 28...h4!?=) 29.Ne4+/– Nd5 (29...Raf8!?+/–) 30.Nd6+– Rff8 31.Bh7 Kd8 32.Ke1 Kc7 33.Rh5 a5 34.ba5 Ra5 35.Rg3 Ra4 36.Rh4 Nf4 37.Be4 Rd4 38.Rh7 Nd5 39.Rgg7 Nf6?? (better is 39...Rd8+=) 40.ef6+– Rd6 41.f7 Kd8 (41...Rd4 42.Bg6 b4 43.ab4 Rb4+–) 42.Rg8 Ke7 43.Rf8 Kf8 44.Bg6 1–0. Anikin,Victor (1910) – Kolosov,Anatoly (1945), Uliyanovsk Championship, 2008. (=1.d4 Nf6 2.b4 d5 3.Nf3 e6 4.a3 c6)

5.e3 Nbd7 6.c4 Be7 7.Nbd2 0–0 8.Bb2 b6 9.Rc1 (9.Bc3 dc4 10.Nc4 Nd5+=) 9...Bb7 (9...a5 10.c5=) 10.Be2 (10.Bc3 dc4 11.Nc4 Qc8=) 10...Rc8 (10...dc4 11.Rc4 Qc7 12.h3=) 11.0–0 c5 12.dc5 bc5 13.b5 White gains space (13.cd5 Nd5 14.b5 Bf6 15.Bf6 N5f6=) 13...Qb6 (13...Ra8 14.Bf6 Bf6 15.Bd3=) 14.a4 dc4 (14...Ra8 15.h3+=) 15.Nc4 Qc7 16.a5 Bd5 17.Ra1 (17.Qa4 Ng4 18.Ncd2 Bf6+=) 17...Bc4 18.Bc4 Rfd8 19.Qc2 Rb8 20.Rfd1 Ne8 21.e4 Black has a cramped position (21.Be2 h6=) 21...Bf6 (21...Nd6 22.Qb3+=) 22.e5 Ne5 23.Ne5 (23.Be5!? is an interesting idea 23...Be5 24.Rd8 Rd8 25.b6 ab6 26.ab6=) 23...Be5–/+ 24.Be5 Qe5 25.Rab1 (25.Rd8 Rd8 26.Rd1 Rc8=) 25...Rd1 (25...Qc7 26.Be2–/+) 26.Rd1 Nd6 (better is 26...Qc7!?–/+) 27.Qd3+= Qd4 28.Qd4 cd4 29.Rd4 Nc4 30.Rc4 g6 31.Rb4 Rc8 32.g3 Kf8 33.b6 ab6 34.Rb6 Ke8 35.a6 Kd7? 36.Rb7+– Kc6 37.Rf7 Ra8 38.a7 Kb6 39.Rf6 Ra7 40.Re6 Kc5 41.h4 Kd5 42.Re1 h5 43.Kg2 Rf7 44.Re8 Rf6 45.f4 Kd6 46.Re5 Rf5 47.Re8 Kd7 48.Ra8 Ke7 49.Kf3 Kf6 50.Ra6 Kg7 51.g4 hg4 52.Kg4 Kh7 53.Re6 Rf7 54.Re5 Kg7 55.Rg5 Kh7 56.h5= gh5 57.Rh5 Kg6 58.f5 Kf6 59.Rh6 Kg7 60.Rg6 Kf8 61.Kg5 Rg7 62.Kf6 Rf7 63.Ke5 Re7 64.Kf4 Kf7 65.Ra6 Kf8 66.f6 Re1 67.Ra7 Rf1 68.Ke5 Re1 69.Kd6 Rd1 ½–½. Hakkinen,Tauno – Hagelberg,Lauri, Lahti op, 2001. (=1.d4 d5 2.Nf3 Nf6 3.Nbd2 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.b4 Nbd7)

5.e3 Nbd7 6.c4 Be7 7.Nbd2 0–0 8.Bb2 b6 9.Be2 Bb7 10.0–0 c5 11.dc5 bc5 12.b5 Qc7 13.Qc2 e5 (13...a6!?=) 14.cd5+= Bd5 15.h3 (15.e4 Bb7+=) 15...Rab8 16.a4 (16.e4 Ba8+=) 16...Rfd8 (16...Qb7 17.Rfd1=) 17.Rfd1 h6 18.e4 Be6 19.Bc4 Bc4 (19...Rb6!?+/–) 20.Nc4+– (20.Qc4?! a6+=) 20...Qb7 21.Nce5 Ne5 22.Ne5 Qe4 23.Qe4 Ne4 24.Nc6 Rd1 25.Rd1 Re8 26.Na7 Bf6? (better is 26...c4 27.Bd4 Bg5+–) 27.Bf6 Nf6 28.b6 Re7 29.a5 Rb7 (29...Rd7 30.Rb1 Rd6+–) 30.Nc8 Ne4 (30...Nd7 31.a6 Rb6+–) 31.a6 Rb8 32.b7 1–0. Iosif,Daniela – Wiegand,Ronny, Darmstadt Weber Memorial op, 1997. (=1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.a3 Be7 6.Nbd2 0–0 7.b4 Nbd7)

5.e3 Nbd7 6.c4 Be7 7.Nbd2 0–0 8.c5 a5 9.Bb2 b6 10.Rc1 ab4 11.ab4 bc5 12.bc5 Ba6 13.Ba6 Ra6 14.0–0 Qc7 15.h3 Rfa8 16.Qc2 h6 17.Ra1 Qb7 18.Ra6 Ra6 19.Rb1 Bd8 20.Bc3 Qa8 21.Ne1 Ra7 ½–½. Rustemov,A (2540) – Gyimesi,Z (2595), Schachbundesliga, 2010. (=1.c4 Nf6 2.d4 e6 3.Nf3 d5 4.e3 Be7 5.Nbd2 0–0 6.a3 Nbd7 7.b4 c6)

5.e3 Nbd7 6.c4 Be7 7.Nbd2 0–0 8.Bd3 b6 9.0–0 a5 10.ba5 Ra5 11.Bb2 Qc7 12.Qc2 g6 13.Rfc1 (13.Nb3 Ra7+= 14.cd5 ed5 15.Rfc1=; 13.Rfb1 Rd8 14.a4 Ra7 15.cd5+=; 13.cd5 ed5 14.Nb3 Ra7 15.Rfc1=; 13.Rfd1 Bb7 14.cd5 ed5 15.Rdc1=; 13.Rfe1 Bb7 14.Be2 Rfa8 15.cd5=) 13...Bb7 14.cd5 (14.a4 Rfa8= 15.Be2=; 14.c5 Ba6 15.cb6=) 14...ed5 15.a4 (15.Ne5 Ne5 16.de5 Nd7=; 15.Qc3+=) 15...Rc8 (15...Rfa8 16.Bc3 R5a7 17.Qb3=) 16.Nb3 (16.Bc3 Ra7+=) 16...Raa8 (16...Ra7 17.a5+=) 17.Bc3 c5 18.dc5 bc5 19.Nbd2 c4 (19...Bd6 20.h3+=) 20.Be2+= Nc5 21.Rcb1 (21.a5 Nfe4 22.Be5 Bd6 23.Ne4 de4 24.Bd6 Qd6=) 21...Ra6 (21...Nfe4 22.Be5 Qd7 23.a5=) 22.Be5 (22.Nd4 Nfe4 23.Ne4 Ne4=) 22...Qd8 23.Nd4 (23.Rd1 Bc6 24.a5 Ra5+=) 23...Rca8 24.Rb5 Bc8 25.Bf3 Ng4 26.Bg3 (26.Bf4 Bd7 (26...Ra4 27.Ra4 Ra4 28.Nc6+/–) 27.Rbb1 Nf6–/+) 26...Bd7 27.Rab1 Bb5+= 28.Nb5 Ra4 29.Bg4 Bf6 30.Bc7+= Qe8 31.Bd6 Ra2= 32.Qd1 Qc6 33.Qf3 Rd2 34.Qf6 Ne4 35.Qe5 c3 36.Nc3 Nc3 37.Rf1 Qc4 38.g3 Ne4 39.Bb8 Qb5 40.Bd6 Ra6 41.Be7 Raa2 42.Rc1 Rdc2 43.Rc2 Rc2 44.Qa1 h5 45.Bf3 Rb2 46.Be4 de4 47.Kg2 Qe2 (47...Qe2 48.Qb2 Qb2–+) 0–1. Ling,AJ (2060) – Reinhart,Kenneth M (2470), corr ICCF WSTT/3/06/3, 2006.

5.Bf4 a5 6.c3 =.

5.Bf4 Nbd7 6.e3= Be7 7.Bd3 0–0 (7...a5 8.b5=) 8.Nbd2 h6 (8...a5 9.c3=) 9.0–0 (9.c4 Nh5=) 9...Nh7 (9...Nh5 10.Be5=) 10.c4 (10.Qe2 Nhf6+=) 10...g5 (10...Nhf6!?+=) 11.Bg3+/– f5 (11...Nhf6 12.Ne5+/–) 12.Qe2 (12.cd5 cd5 13.Ne5 Ne5 14.Be5 Nf6+/–) 12...Nhf6 13.cd5 cd5 14.Rfc1 Qe8 15.Ne5 (15.Bc7 Qh5+/–) 15...Ne5 (15...a5 16.Rab1+/–) 16.de5 (better is 16.Be5!? Bd7 17.Nb3+/–) 16...Ne4+= 17.Rc7 b6 (17...Bd7 18.Rb7 Bc6 19.Ne4 de4 20.Re7 Qe7 21.Ba6=) 18.Bb5 (18.Ne4 fe4 19.Bb5 Qd8+/–) 18...Qd8 19.Ne4?? (19.Rac1 Ng3 20.hg3 a6+=) 19...fe4?? (better is 19...Qc7 20.Qh5 Kg7–/+ (20...de4?! 21.Qg6 Kh8 22.Qh6 Kg8 23.Qg6 Kh8 24.Qh6 Kg8 25.Qg6 Kh8 26.Qh6=)) 20.Rac1+/– a6 21.Ba4 b5 22.Bb3 Rf7 23.Qc2 Rf8? 24.Qc6 Qe8 25.Qa8 h5 26.Rc8 Qf7 27.R1c7 h4 28.Rf8 Qf8 29.Rc8 (29.Rc8 hg3 30.Rf8 Bf8 31.Qe8 gh2 32.Kh2+–) 1–0. bicycle – Bull_Dog_Baz, ChessWorld.net, 2007.

4.d4 Bd6

5.Nc3 a5 6.b5 c6 7.Bg5= 0–0 8.e3 Nbd7 9.e4 e5 10.bc6 bc6= 11.ed5 ed4 12.dc6 Re8 13.Ne2 Nc5= 14.Bf6 Qf6 15.Qd4 Qg6 16.Rd1 Ne4 17.Qd3 Ba6 18.c4 Rad8 19.Nfd4 Bc5 20.Qe3 Bc4 21.c7–/+ Rc8 22.Nf4 Qa6 23.Be2 Be2 24.Nfe2=+ Bd4 25.Rd4 Ng3 26.Rd8 Qb5?? 27.Qe8+– (27.Qe8 Qe8 28.Re8 Re8 29.hg3+–; 27.hg3?! Qb1 28.Rd1 Qd1 29.Kd1 Re3 30.fe3 g6+–; 27.fg3?! Red8 28.cd8R Rd8+–; 27.Ng3?! Red8 28.cd8R Rd8+–) 1–0. iodine (1845) – Hatch (1765), internet, 2007.

5.c4 dc4=+ 6.Nc3 (6.Bg5 b5=+ (6...h6 7.Bf6 Qf6 8.e4 Qg6 9.e5 Bf8 10.Nc3 c6 11.Nd2) 7.e4 Be7 8.Nc3 c6 9.Bf6 Bf6 10.Be2 a5 11.0–0; 6.Qc2 b5 7.e4 Be7 8.Nc3 c6 9.Be2 a5 10.ba5 0–0 11.0–0) 6...Nd5 7.Na2 (7.Nb5 Be7 8.Bd2 0–0 9.e4 c6 10.Nc3 Nc3 11.Bc3) 7...f5 (7...Nb6 8.e4 a5 9.b5 c6 10.Nc3 Bd7 11.bc6) 8.Bg5 Qd7 9.e3 (9.Qc2 b5–/+ (9...a5 10.ba5 Ra5 11.Qc4) 10.Ne5 Be5 11.de5; 9.Rc1 b5 10.Bd2 0–0 11.Nc3) 9...b5 10.a4 (10.Qd2 a5 (10...h6 11.Bh4) 11.ba5 Nc6–/+) 10...Nb4 (10...a6 11.Ne5 Be5 12.de5–+) 11.Qb1 Na2–+ 12.Ra2 c6 13.Be2 0–0 14.0–0 Na6 15.Rc1 Nb4–+ 16.Rd2 a5 17.Rb2 Ba6 18.Qa1 Nd3 19.Bd3 cd3 20.Bf4 Bf4 21.ef4 ba4 22.Qa4 Bb5 23.Qa3 Rfd8 24.Re1 Qd6 25.Qa2 Re8 26.Rbb1 a4 27.Ra1 a3 28.Qb3 Ra6 (28...Ra6 29.Re5 Ra4–+; 28...Ra4 29.Re5–+) 0–1. Schulz,Hans_Juergen (2305) – Goesmann,Stefan (2100), RSX9E – A00 – Sokolsky–2, 2004.

5.Nbd2 0–0 6.c4 a5 7.b5 Nbd7 8.c5+= Be7 9.e3 c6 10.Qa4 e5 11.bc6+/– bc6 12.Ne5 Ne5+= 13.de5 Nd7 14.Qc6+/– Rb8 15.Qd5 Qc7 16.Ra2 Nc5 17.Rc2 Rd8 18.Qc4 Be6 19.Qc3+= Qd7 20.Qd4 Qc6 21.Qc3 Rbc8 22.Qb2 Bf5=+ 23.e4 Be4–/+ 24.h4 Bc2 25.Qc2 Nd3!! (25...Nd3 26.Bd3 Qg2 27.Bh7 Kf8–+) 0–1. Herrchen,Ralf – Woelfelschneider,Peter, TT–17 ETC, 2005.

5.Nbd2 a5=+ 6.ba5 Ra5 7.c4 dc4 8.Nc4= Bb4 9.Bd2 Bd2 10.Qd2 Ra4 11.Qc2 Ra7 12.e3 Nc6 13.Be2 0–0 14.0–0 Bd7 15.Rfc1 (15...Qe7 16.Nfe5+=). Gall,Zdenek – Pane (+), corr 3GMM–27, 1996.

5.Nbd2 a5 6.b5 0–0 7.c4 c6 8.c5= Be7 9.a4 Nbd7 10.e3 e5 11.Be2 e4= 12.Ng5 Nb8 13.Bb2 h6 14.Nh3 Bh3 15.gh3 Qd7 16.Bf1 Qf5 17.Rg1 Nbd7 18.Bc3 Rfb8 19.Nb3 cb5 20.ab5 b6 (20...b6 21.Rc1 a4–/+). Neinsah – Sandeman_be, ChessWorld.net, 2005.

5.Nbd2 b5 6.e3= c6 7.c3 a5=+ 8.Nb3 a4 9.Nbd2 0–0 10.Qc2 Nbd7=+ 11.e4 e5 12.ed5 e4 13.dc6+= ef3 14.cd7 Qe7 15.Kd1 Bd7 16.Nf3 Be6 17.Rb1 Qb7 18.Bd3 Rfe8 19.Re1 h6 20.Be3 Rac8 21.Re2 Bd5= 22.Qb2 Bf3 23.gf3 Bh2 24.Rc1 Re7 25.Re1 Nd5 26.Be4 Qd7 27.Rh1 Bf4 28.Bf4 Nf4= 29.Qc2 Qe6 30.Bf5 Qc6 31.Be4 Qc4=+ 32.Re1 Rce8 33.Re3 f5 34.Bd3 Qd5 (34...Qd5 35.Re7 Re7=+). Baer,Werner – Woelfelschneider,Peter, TT–07 ETC, 2003.

5.Nbd2 Nbd7 6.c4 c6 7.e3 0–0 8.Bb2 Qe7 9.Ne5 Ne4 10.Ne4 de4 11.Qc2 f5 12.Be2 Qf6 13.Qc3 Nb6 14.0–0 Na4 15.Qb3 Nb2 16.Qb2 Qh6 17.c5 Bc7 18.a4 Bd7 19.a5 a6 20.f4 ef3 21.Rf3 Rad8 22.Bc4 Be5= 23.de5 Be8 24.Raf1+= Bh5 25.Rf4 Rfe8 26.Rf5+/– Qe3 27.Qf2 Qf2 28.R1f2 Bg6 29.R5f4 h5 30.h3 Rd1 31.Rf1 Rf1 32.Rf1 Kh7 33.Rd1 Re7 34.Rd6 Bf5 35.Rd4 Kh6 36.g4 hg4 37.hg4 Bg6 ½–½. Ritter,Fredi (1700) – Milde,Lars (1815), TSC, 2003.

5.e3 a5 6.b5 0–0 7.c4 c5 8.dc5 Bc5 9.Bb2 Nbd7 10.Nc3 Re8 11.cd5= Nb6 12.de6 Be6 13.Qd8 Red8 14.Be2 Rac8 15.0–0 Nc4 16.Bc4 Bc4 17.Rfd1 h6 18.Rac1 Rd1 19.Rd1 Bb3 20.Rc1 Bd6 21.Nd4 a4 22.Nb3 ab3 23.Ne2 Ra8 24.Rd1 Be7 25.Nd4 Ne4 26.Nb3 Nd6 27.Ra1 Nb5 28.a4 Nd6 29.Kf1 f6 30.Ke2 Kf7 31.Kd3 Ne8 32.Bd4 f5 33.a5 Nc7 34.Rb1 Na6 35.Rc1 Ba3 36.Rd1 Rd8 37.h3 Be7 38.Rc1 g6 39.g4 Nb4 40.Ke2 Rd5 41.Bb6 Na6 42.f4 Bf6 43.Nd2 Ke6 44.Rc8 Rb5 45.Nc4 g5 46.Re8 Kd7 47.Rf8 Ke7 48.Ra8 Ke6 49.Kf3 Kd5 50.Rc8 Rb4 51.Nd2 gf4 52.ef4 Ke6 53.Nf1 Rb3 54.Ne3 fg4 55.hg4 Kf7 56.Ke4 Rb4 57.Rc4 Be7 58.Rb4 Nb4 59.Nf5 Bf8 60.Kd4 Ke6 61.Kc4 Nc6 62.Nd4 Nd4 63.Bd4 Kf7 64.Be5 Be7 65.Bc3 Bd6 66.Bd2 Kf6 67.Kd5 Be7 68.f5 Bf8 69.Ke4 Kg7 70.Bc3 Kf7 71.Kd5 Ba3 72.Bd2 1–0. Taulien,Hans_Juergen (2350) – Haas,Uwe (2275), RSX5D – X–Mas, 2005.

5.e3 b6 6.Bb2 Bb7 7.c4 c5 8.b5 Nbd7 9.Nbd2 a6 10.a4 0–0 11.Be2 Qc7 12.0–0 (12.dc5 Qc5 13.cd5 Nd5= (13...Qd5? 14.e4 Qh5 15.e5+–)) 12...Rfe8 (12...cd4 13.ba6 Ba6 14.ed4 dc4 15.Rc1+=) 13.Qb3 Bf8 14.h3 Rad8 (14...ab5 15.ab5 cd4 16.ed4+=) 15.Rfc1 Rc8 16.Qd1 Qb8 (16...a5!?=) 17.cd5 ab5 (17...Bd5!? 18.ba6 cd4 19.Nd4 Qa8+=) 18.de6 Re6 19.Bb5 Bc6 20.Bc4 Ree8? (better is 20...Bd5!?+/–) 21.Qb3+– Re7 22.Ng5 Qb7? (22...Qa8 23.Nf7 Rc7+–) 23.Nf7 (23.Bf7?! Kh8+–) 23...Rf7 24.Bf7 Kh8 25.f3 Nd5 (25...cd4 26.ed4 Ra8 27.Nc4+–) 26.e4 Nf4 27.Qe3 Qc7 28.d5 Bb7 29.Nc4 Ba6 (29...Nf6 30.Ne5 N6h5 31.Bh5 Nh5 32.Qb3+–) 30.e5 Bc4 31.Rc4 Ng6 (31...Ne5 32.Qe5 (32.Qf4?! Nc4 33.Qc4 Qf7+/–) 32...Nh3 33.gh3 Qf7 34.Qe6+–) 32.d6 Qc6 33.Bg6 hg6 34.e6 Bd6 (34...Qd6 35.Qh6 Kg8 36.Qg6+–) 35.ed7 (35.Qh6! Kg8 36.Qg7) 35...Qd7+– 36.Rh4 Kg8 37.Qb3 (better is 37.Rd1 Qe7 38.Qc3+–) 37...Kf8 (37...c4 38.Rc4 Rc4 39.Qc4 Kh7+–) 38.Rh8 Ke7 39.Re1 (39.Re1 Be5 40.Re5 Kd6 41.Rc8 Qc8 42.Qd5 Kc7 43.Re7 Kb8 44.Be5 Qc7 45.Re8 Ka7 46.Qa8) 1–0. Filzmeier,Bruno – Wendlinger,Peter, Vienna op–B, 1998. (=1.a3 d5 2.d4 e6 3.Nf3 Bd6 4.e3 Nf6 5.b4)

5.e3 c6 6.c4 dc4 7.Bc4 b5 8.Bb3 Ne4 9.0–0 Qf6 10.Ra2 0–0+= 11.Bb2 Qg6 12.g3 Ng3?? 13.fg3+– Bg3 14.hg3 Qg3 15.Kh1 Qh3 16.Nh2 Bb7 17.Qg4 c5 18.Rf3?? Bf3 19.Qf3+– Qf3 20.Nf3 cd4 21.Bd4 Nc6 22.Bc5 Rfd8 23.Rd2 Rd2 24.Nbd2 a6 25.Ne4 Rd8 26.Nd6 h5 27.Kh2 Ne7?! 28.Ng5 Ng6 29.Ngf7 Rb8 30.Be6 Kh7 31.Bf5 Ra8 32.e4 a5 33.Ng5 Kh6 34.Ndf7 1–0. johntelker (2070) – jomunoz (1810), net–chess.com, 2010.

5.e3 Nc6 6.c4 Bd7 (6...dc4!? 7.Bc4 0–0=) 7.c5+= Be7 8.Bd3 0–0 9.0–0 Re8 10.Nc3 b6 11.b5 Na5 12.c6 Bc8 13.Ne5 Bd6 14.Rb1 Nc4 (14...a6!?+/–) 15.Bc4 dc4 16.Nc4 e5?? (better is 16...a6 17.Qa4 e5 18.de5 Be5 19.Ne5 Re5+/–) 17.de5+– (17.Ne5?! Bf5 18.Rb2 Be5 19.de5 Re5+/–) 17...Be5 18.Qd8 Rd8 19.Ne5 g6 20.e4 Kg7 21.Bh6! Kg8 22.Bg5 Kg7 23.Nf3 h6 24.Bf6 Kf6 25.Nd5 Kg7 26.Nc7 Rb8 27.h3 g5 28.Rbd1 Rf8 29.Ne5 f6 30.Nd7 Bd7 31.Rd7 Kg6 32.Nd5 h5 33.Ne7 Kh6 34.Nf5 Kg6 35.Rg7 1–0. David Lonsdale – pieeater, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.a3 Nf6 4.d4 Bd6 5.e3)

5.e3 Bd7 6.Bd3 (6.Bd3 0–0 7.0–0=). Conveyor – MiserableBoris, ChessWorld.net, 2005.

5.e3 Ne4 =.

5.Nf3 Nbd7 6.Bb2 0–0 7.c4 dc4 8.Bc4 a6 9.Bd3 h6 10.e4 Be7 11.0–0 b6 12.Nc3 c5 (better is 12...Bb7!?+/–) 13.e5+– Nd5 14.Nd5 ed5 15.dc5 bc5 16.Bc2 Nb6 17.Qd3 g6 18.bc5 Bc5? (better is 18...Nc4 19.Bc1 Bf5+=) 19.e6!+– Be6? (19...Be6 20.Qc3 Combination; 19...fe6 20.Qg6#) 20.Qc3 d4 21.Qc5 Rc8 22.Qd4 Qd4 23.Nd4 Bc4 24.Rfe1 Nd5 25.Rad1 Nf4 (25...Rfd8 26.Nf3+–) 26.Bc1 Nd5 27.Bh6 Rfd8 28.Nf3 Nf6 29.Rd8 Rd8 30.Bg5 Rd6 (30...Kg7 31.Re7+–) 31.Ne5 Bb5 (31...Bd5 32.Rd1 Kg7 33.h4+–) 32.Bb3 Be8 (32...Nd7 33.Bf7 Kg7+–) 33.Nc4 (33.Nc4 Rc6 34.Bf6 Rf6 35.Re8 Kg7 36.Re7+–) 1–0. capablancaven (1900) – cougarbait (1620), gameknot.com, 2011.

5.g3 a5 6.Qd2? ab4–+ 7.e3 Nc6 8.Bd3 e5 9.h3 e4 10.Ke2 ef3 11.Kf3 g5 12.Kg2 g4 13.hg4 Bg4 14.f3 Bh5 15.e4 Rg8 16.Qh6 Rg6 17.Qe3 Rg3 18.Kf2 Bg6 19.ed5 Ne4 20.Ke1?? Qd7 21.Be4?? Na5?? 22.Kf2 Nc4=+ 23.Qd3? b5 24.Rh4?? Qe7 25.c3 (25.c3 Qh4 26.Bd2 Qh2 27.Ke1 Rg1 28.Qf1 Rf1 29.Kf1 Bg3 30.Bg6 Qf2#) 0–1. Buresch,Rene (1960) – Haeckel,Sascha (2000), remoteschach.de, 2002.

5.Bg5 a5 6.b5 (6.b5 h6 7.Bh4=). andre2004 – magne, ChessWorld.net, 2005.

5.Bg5 b6 6.Nbd2 c5 7.e4 (7.bc5 bc5 (7...Be7 8.cb6 ab6 9.a4 Ba6 10.Bf6 Bf6 11.e4 Bf1 12.Rf1 0–0+=) 8.e4 Be7 9.e5 Nfd7 10.Be7 Qe7 11.Bd3 0–0 12.dc5 Nc6=) 7...h6 (7...Be7 8.e5 Nfd7 9.Be7 Qe7 10.c3 c4 11.Be2 0–0 12.0–0 f6=) 8.Bb5 (8.Bf6 gf6 9.bc5 bc5 10.ed5 ed5 11.Bb5 Bd7 12.Bd7 Qd7+/–) 8...Bd7 9.Bd7 (9.Bf6 gf6 10.Bd7 Nd7 11.bc5 bc5 12.ed5 ed5+/–) 9...Nbd7 (9...Qd7 10.Bf6 gf6 11.bc5 bc5 12.ed5 ed5+/–) 10.Bf6 gf6 (10...Qf6 11.bc5 Bf4 12.cb6 ab6+=) 11.c3 (11.bc5 bc5 12.ed5 ed5+/–) 11...de4 (11...Rg8 12.dc5 bc5+=) 12.Ne4 Be7 13.d5 f5 14.Ng3 Nf6 15.de6 Qd1 16.Rd1 fe6 17.0–0 Rd8 18.Rd8 Bd8 19.Re1 Kf7 20.Ne5 Kg7 21.Nc6 Kf7 22.Na7 Nd5 23.c4 Nf4 24.Rd1 cb4 25.ab4 Bf6 26.Nb5 Kg6 27.Kf1 Rc8 28.Nd6 Rc6 29.b5 Rc7 30.Ne2 Ne2 31.Ke2 Be5 32.g3 f4 33.Rd3 Rc5 34.g4 f3 35.Kf3 Bh2 36.Ke3 h5 37.gh5 Kh5 38.f3 Kh4 39.Rd4 Kh3 40.Kd3?? Be5= 41.Re4 Bd6 42.Re6 Bc7 43.Rg6 Rf5 44.Ke3 Rf7 45.Rg8 Rf4 46.c5 Rb4 47.cb6 Bb6 48.Kd3 Rb5 49.Rg6 Bc7 50.Ke4 Bg3 51.Rf6 Re5 52.Kd4 Re1 53.Kd3 Kg2 54.f4 Kf3 55.f5 Be5 56.Rf7 Rd1 57.Kc4 Ke4 58.Rf8 Rc1 59.Kb5 Kd5 60.Rd8 Bd6 61.f6 Rb1 62.Ka5 Rf1 63.Rh8 Rf6 64.Kb5 Rf1 65.Rh5 Be5 66.Kb6 Rb1 67.Ka5 Kd4 68.Ka6 Bd6 69.Rb5 Rc1 70.Rb3 Kc4 71.Rb2 Bc5 72.Kb7 Bd4 73.Ra2 Kb5 74.Rd2 Rc4 75.Rd1 Ra4 76.Rb1 Kc5 77.Rh1 Be5 78.Rc1 Kd6 79.Rd1 Bd4 80.Rh1 Ra7 81.Kb8 Re7 82.Rh6 Kc5 83.Kc8 Be5 84.Rg6 Bd6 85.Rg1 Kc6 86.Rc1 Bc5 87.Kd8?? Rf7 88.Re1–/+ Rh7 89.Ke8 Bd6 90.Rc1 Kd5 91.Re1 Be5 92.Kd8?? Ke6–+ 93.Kc8 Rc7 94.Kd8 Rb7 95.Rc1–/+ ½–½. Akhiyarov,Viktor (1875) – Bazhanov,Sergey, Izhevsk RUS, Udmurtia Ch, 2011. (=1.d4 d5 2.Nf3 Nf6 3.b4 e6 4.a3 Bd6)

5.h3 0–0 6.Bg5 h6 7.Bh4 Nbd7 8.Nc3 a6 9.e3 b6 10.Bd3 c5 11.e4 de4 12.Be4 Rb8 13.dc5 Bc7 14.c6 Ne5 15.Qd8 Rd8 16.Bf6 gf6 17.Rd1 Rd1 18.Kd1 f5 19.Bd3 Nc6 20.Re1 Bb7 21.b5 ab5 22.Nb5 Bd8 23.Nd6 Be7 24.Nb5 Ra8 25.Nd2 Ba3 26.Na3 Ra3 27.Nc4 Ra1 28.Kd2 Re1 29.Ke1 Nb4 30.f3 Ba6 31.Ne5 Bd3 32.cd3 f6 33.Nd7 Nd3 34.Ke2 Nf4 35.Kf2 Nd5 36.g3 Kf7 37.Ke2 Ke7 38.Nb8 e5 39.Kd3 b5 40.Nc6 Kd6 41.Na5 Kc5 42.Nb7 Kb6 43.Nd6 f4 44.g4 b4 45.Kc4 Ne7 46.Kb4 Kc6 47.Nf7 Kd5 48.Kc3 e4 49.fe4 Ke4 50.Kd2 Kf3 51.Nh6 Kg2 52.g5 fg5 0–1. axxle (2260) – pushtiu (2120), net–chess.com, 2014. (=1.d4 d5 2.Nf3 e6 3.a3 Nf6 4.b4 Bd6)

5.e3 0–0

6.Bb2 Nc6 7.c4 e5?? 8.c5?? Be7 9.de5 Ne4 10.Bd3 Bg4 11.Bd4 Nd4 12.ed4 Bf3 13.gf3 Ng5 14.Nc3 a5 15.f4 ab4 16.ab4 Ne4?? 17.Be4 de4+/– 18.Ne4 b5 19.0–0 Ra1 20.Qa1 c6 21.Nd6 Bd6+/– 22.cd6 Qh4 23.Qc1 f6?? 24.Qe3 fe5 25.de5 Rf4 26.Kh1 Qg4?? 27.e6 Rf3 28.Qe2 Qh3 29.e7 (29.e7 Qd7 30.Qa2 Rb3 31.Qb3 Kh8 32.Re1 h6 33.e8Q Qe8 34.Re8 Kh7 35.Qd3 g6 36.Re7 Kh8 37.Qc3 Kg8 38.Qg7) 1–0. johntelker (2070) – neilb (1930), net–chess.com, 2010.

6.c4= dc4 7.Bc4 c6 8.Qc2 Nbd7 9.Bb2 a5 10.e4 Be7 11.b5 Nb6 12.Bd3 cb5 13.e5 Nfd5 14.Bh7 Kh8 15.Be4 Bd7 16.Qd1 b4 17.Nh4 g6 18.Nf3 Bb5 19.h4 Nf4 20.Rh2 Kg8 21.g3 Be2 22.Qd2 Bf3 23.Bf3 Nc4 24.Qf4 Nb2 25.Be2 Rc8= 26.ab4 Bb4 27.Kf1 Qc7 28.Qg4+= Qc1 29.Kg2 Qc6 30.Bf3+= Qc2 31.Na3 Ba3 32.Ra3+= Nd3 33.Be2+/– Ne1 34.Kh3 Qd2 35.h5 Kg7 36.f4 Rh8 37.Qh4 Qd4 38.Qf6 Kg8= 39.Kg4 Rf8 40.Kg5 Qc5 41.Rb3 Qc2 42.Re3 Rh7 43.Kg4 a4 44.Kh3 (44.Kg5!?–/+) 0–1. Baer,Werner – Kuni,Richard, TT–07 ETC, 2003.

6.c4 dc4 7.Bc4 Nbd7 8.Bb2 Nb6 9.Bd3 c6 10.Qc2 a5 11.e4 Be7 12.e5 Nfd5 13.ba5 Ra5 14.Bh7 Kh8 15.Be4 Nf4 16.0–0 Nbd5 17.Bc1 f5 18.ef6 gf6 19.Bd5 Nd5 20.Qg6 Qe8 21.Nh4 Rf7 22.Qh6 Rh7+= 23.Qg6 Qg8= 24.g3 Bd7 25.Qg8 Kg8 26.Re1 Ra4 27.Nf3 c5 28.dc5 Bc5 29.Nbd2 b5 30.Bb2 e5 31.Ne4 Be7 32.Nfd2 f5 33.Nc3 Nc3 34.Bc3 e4 35.Bb2 Kf7 36.Red1 Be6 37.Nf1 Bf6 38.Bf6+= Kf6 39.Ne3 Rha7 40.Rab1+= R7a5 41.Rd6 Ra3 42.Rb6 Ra1 43.R6b5!? Rb5 44.Ra1+/– Ke5 45.Ng2 Bc4 46.Re1 Rb2 47.h4 Bb5 48.Nf4 (48.h5 Kf6 49.h6 Be2+/–) ½–½. Rohde,Friedhelm – Ehrlich,Stefan, 2005.

6.c4= dc4 7.Bc4 Nbd7 8.Bb2 c6 9.Bd3 a5 10.b5 cb5 11.Bb5 Nb6 (11...b6 12.e4 Bc7 13.0–0=) 12.0–0 (12.Ne5 Nbd5=) 12...Bd7 13.Qb3 (13.Qe2 Rc8=) 13...a4+= 14.Qd3 Rc8 15.Nbd2 Bb5 16.Qb5 Qd7?? (16...Nfd5 17.e4 Nf4 18.Rfc1=) 17.Qd3?? (better is 17.Qb6 Nd5 18.Qa5+–) 17...Nfd5 18.Ng5 f5 19.Rfc1 Rfd8 (19...Qe7 20.Ndf3=) 20.Ngf3 Bb8 (20...Kh8 21.Rab1=) 21.Rab1 Rc1 22.Rc1 Bd6 23.Qf1 Nf6 (23...Qe7 24.Qd3=) 24.Rc2 (24.Nc4 Nc4 25.Qc4 Nd5=) 24...Qe8 25.h3 (25.Qb1 Qg6=) 25...Nbd5 (25...Qg6 26.Nc4 f4 27.Qe2 Nc4 28.Rc4=) 26.Ne5 Rb8 (26...Qh5 27.Ndf3=) ½–½. Winiger,Albert – Woelfelschneider,Peter, TT–09 ETC, 2003.

6.c4= dc4 7.Bc4 Nbd7 8.Bb2 Qe7 9.Qc2 e5 10.Nc3 e4 11.Nd2 Nb6 12.Be2 Re8 13.h3 Nbd5 14.Nde4+= Ne4 15.Nd5 Qg5 16.Nc7 Qg2 17.Rf1 Bc7 18.Qc7 Bh3 19.Rc1 Qg6 20.Qf4 Bf1 21.Bf1 Nf6 22.Kd2 h6 23.Bd3 Qg2 24.Rc7 Re6 25.Ke1 Rf8 26.Bf1 Qd5 27.Bc1 Rc6 28.Rc6–/+ Qc6 29.Bd2 Qa4 30.Qc7 b6 31.Bc1 Ne8 32.Qe7 Qb3 33.Qa7 Nd6 34.Qe7 Rc8 35.Bd2 Qb1 36.Ke2 Nc4 37.Bh3 Rf8 (37...Rf8 38.Be1 Nb2–+) 0–1. Baer,Werner – Woelfelschneider,Peter, ETC, 2003.

6.c4 c6 7.c5 Bc7 8.Bb2 Ne4 9.Nc3 f5 10.Be2+= Nd7 11.0–0 Rf6 12.b5 Rh6= 13.h3 e5 14.Na2 f4 15.Bd3 fe3=+ 16.Be4 de4 17.Ne5 Ne5 18.de5 Qh4 19.Qb3 Be6 20.Qe3 Rg6 (20...Rg6 21.bc6 Bh3=+). Baer,Werner – Woelfelschneider,Peter, TT11 ETC, 2004.

6.Nbd2 a5 7.ba5 Ra5 8.Bd3 =+.

6.Nbd2 b6 7.Bb2 Nbd7 (7...a5 8.Bc3 (8.ba5 Ra5 9.Bd3 Qe7 10.0–0 Ba3 11.Bc3=; 8.b5+= c6 9.bc6 Nc6 10.c4 Ba6 11.Rc1=) 8...Nc6 9.b5 Na7 10.Bd3 c6 11.bc6=; 7...c6 8.c4 (8.Bd3 a5 9.ba5 Ra5 10.c4 Nbd7 11.0–0=; 8.Be2 a5 9.ba5 Ra5 10.c4 Nbd7 11.Qb3=) 8...a5 9.ba5 Ra5 10.Bd3 Nbd7 11.0–0=) 8.c4= (8.Bd3 c5 9.bc5 bc5 10.dc5 Nc5 11.0–0+=; 8.Be2 c5 9.dc5 bc5 10.bc5 Nc5 11.0–0=) 8...c5 9.bc5 (9.cd5 ed5 10.dc5 bc5 11.bc5=) 9...bc5 10.cd5 ed5 11.dc5 Nc5 12.Be2 Rb8 13.Bd4 Qe7 14.Rb1 (14.0–0 Nfe4=) 14...Bf5+= 15.Rb8 Rb8 16.0–0 Nfe4 17.Qa1 Nd2 (17...Ne6 18.Be5=) 18.Nd2= Ne6 19.Be5 d4 20.ed4 Nd4 ½–½. dominick1952 (2205) – jka (1995), internet, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.d4 Bd6 5.e3 0–0 6.Nbd2)

6.Nbd2 Nbd7 7.c4 c6 8.c5 Bc7 9.Bb2 Ne4 10.Ne4 de4 11.Ne5 Ne5 12.de5 Qg5 13.h4 Qg6 14.g3 h5 15.a4 Qf5 16.Bh3 Qg6 17.a5 Rd8=+ 18.Qc2 f6 19.Bf1Rb8 20.Be2 Kh7 21.ef6+= gf6 22.a6 ba6= 23.Qa4 a5 24.Qc6+/– Rd7 25.Ba6 Bg3?? 26.Bc8+– Bf2 27.Kf2 Rd228.Ke1 Qg2 29.Qc7 ½–½. Melia,Ken – Woelfelschneider,Peter, TSC, 2003.

6.Bd3 a5 7.ba5 Ne4 =+.

6.Bd3 b6 7.Nbd2 Nbd7 8.Bb2 c5 9.bc5 bc5 10.c4 cd4 11.Bd4 Nc5 12.Be2 Bb7 13.0–0 Rc8 14.Rb1 Bc6 (14...Qc7 15.Qc2=) ½–½. marekt – AjedrezLevon, ChessWorld.net, 2004.

6.Be2 c6 7.0–0 a5 8.ba5 Qa5 9.c4 dc4 10.Bc4 Nbd7 11.Nbd2 b5 12.Bd3 c5 13.Ne4 Ne4 14.Be4 Ra6 15.Qc2 f5 16.Bd3 c4 17.Be2 Qa4 18.Qb1 Bb7 19.Bd2 Be4 20.Bd1 Qa5 21.Ba5 Bb1 22.Bc7 Bc7 23.Rb1 Rb8 24.a4 ba4 25.Rc1 Nb6 26.Be2 a3 27.Nd2 Ra4 28.Nc4 Nd5 29.Ra1 a2 30.Kh1 Ba5 31.Na5 Ra5 32.Bd3 Rb2 33.Bc4 Kf7 34.Bd5 Rd5 35.Kg1 e5 36.de5 Ke6 37.h4 Rdd2 38.g3 Ke5 39.Kg2 Rd3 40.Rfe1 Rdb3 41.Kf1 Ke4 42.Kg2 Rb1 43.Ra2 Re1 44.Ra4 Kd3 45.Ra7 Rb2 46.Rg7 Ke2 47.g4 Rf1 48.gf5 h5 49.f6 Rf2 50.Kg3 Rb1 51.Rg5 Rg1 52.Kh3 Rh1 53.Kg3 Kf1 54.Rf5 Rg1 55.Kh3 Rf5 56.Kh2 Rf2 57.Kh3 Rfg2 58.e4 Rh1 0–1. COMP – COMP, 2001.

6.Be2 Nbd7 7.0–0 a5 8.b5 Nb6 9.a4 Ne4 10.Bb2 Bd7 11.Nbd2 c6 12.bc6 Bc6=+ 13.Bb5 Bb5 14.ab5 Nd2 15.Qd2 Nc4 16.Qc1 a4 17.Bc3 Qc7 18.Bb2 a3 19.Bc3 a2 20.Nd2? Ne3! 21.fe3 Qc3 22.Nb3 Rfc8 23.Rf2 Qb3! 24.cb3 Rc1 25.Rc1 a1Q 26.Ra1 Ra1 27.Rf1 Bh2! 28.Kf2 Bg3 (28...Bg3 29.Ke2 Ra3–+) 0–1. katrica (1630) – pierre (2210), internet, 2007.

5.e3 Nbd7

6.c4 dc4 7.Bc4 0–0 8.0–0 e5 9.Nc3 e4 10.Nd2 Nb6 11.f3 ef3 12.Qf3 Re8 13.h3 Nc4 14.Nc4 c6 15.Nd6 Qd6 16.Qf2 Rd8 17.Qf4 Qf4 18.Rf4 Be6 19.Bd2 Nd5 20.Nd5 cd5 21.Rff1 h5 22.Rac1 Rac8 23.h4 f6 24.a4 Bd7 25.Rc5 Ba4 26.Ra5 b5 27.Ra7 Rc2 28.Rf2 Re8 29.Rb7 Re4 30.g3 Kh7 31.Re2 Re6 32.Kf2 Ra2 33.Bc1 Ra1 34.Bb2 Rh1 35.Rc7 Bd1 (35...Bd1 36.Rd2 Bg4–/+) 0–1. Schulz,Hans_Juergen – Baer,Werner, TT–12.19 ETC, 2004.

6.c4 dc4 7.Bc4=+ 0–0 8.Bb2 Qe7 9.Ne5 Nd5 10.0–0= f6 11.Nd3 f5 12.Bb3 Qh4= 13.h3 a5 14.Nc3 N7f6 15.Nd5 ed5 16.Bc3 b6 17.ba5 ba5 18.Qc2 Ba6 19.Rfc1? a4 20.Ba2 Bd3 21.Qd3 Qe4 22.Qe4 fe4=+ 23.Bb4 Bb4 24.ab4 Rab8 25.Rab1 Rfc8 26.b5 Kf7 27.Rb4 Ke7 28.Rc6= a3 29.g4 h6 30.Ra6 Rb6 31.Ra3= Rcb8 32.Ra7 Kd6=+ 33.Bb3 c5 34.dc5 Kc5 35.Rba4 Rb5 36.Ba2 R5b7 37.R7a5 Kd6 8.Kg2 g5 39.Ra3 Rb2 40.Ra7 R8b7 41.Ra8 Ke5 42.Rf8 Rb8 43.Rb8=+ Rb8 44.Ra7 Rb2–/+ ½–½. Winiger,Albert – Woelfelschneider,Peter, TT–06 TSC, 2003.

6.c4= dc4 7.Bc4 0–0 8.Qc2 e5 9.Nbd2 Qe7 10.Be2 Re8 11.de5 Ne5 12.Bb2 Bg4 13.0–0 Rad8 14.b5 c6 15.bc6 Nc6 16.Bb5 Rc8=+ 17.Qa4 Bf3 18.Nf3 a6 19.Be2 Ne4 20.Rad1 Rc7 21.Bd3 Nc5 22.Qg4 Be5 23.Ne5 Ne5 24.Be5 Qe5= 25.Qh4 Nd3 26.Rd3 Rc3 27.Rd8 Ra3 28.Rfd1 b6 29.h3 f6 30.Qc4 Kf8 31.Re8 Ke8? 32.Qg8+– (32.Qg8 Ke7 33.Qg7 Ke8 34.Qg8 Ke7 35.Qd8 Kf7 36.Rd7 Ke6 37.Qe8 Kf5 38.g4 Ke4 39.Qa8 Qd5 40.Qd5#) 1–0. Winiger,Albert – Schulz,Hans_Juergen, TT–07 ETC, 2003.

6.c4 c6 7.c5 Bc7 8.Be2 0–0 9.Nc3 e5 10.0–0 e4 11.Nd2 Re8 12.b5 Bb8 13.Rb1 Qc7 14.g3 Nf8 15.Re1 Bf5 16.bc6 bc6 17.Qa4 h5 18.Na2 Bg4 19.Bf1 Ng6 20.Nb4 Ne7 21.Na6 Qd7 22.Qb3 Bc7 23.h3 Be6 24.Nc7 Qc7 25.Qb7 Qa5 26.Bg2 Nd7 (26...Nd7 27.Qb4 Qb4 28.Rb4 Rab8=). Hohlstein,Walter – Woelfelschneider,Peter, TT–07.12, 2003.

6.c4 c6 7.Nbd2 0–0 8.Bb2 Re8 9.Bd3 Nf8 (9...e5!? 10.de5 Ne5 11.Be5 Be5 12.Ne5 Re5=) 10.0–0+= Bd7 11.Qc2 Rc8 12.e4 Bb8 13.e5 Ng4 (13...Nh5 14.g3+/–) 14.h3 (14.c5 Nh6+/–) 14...Nh6 15.Nh2 (15.Bc1 Nf5+/–) 15...f5 (15...Nf5 16.c5+=) 16.f4 (16.Bc1 Ng6+/–) 16...Kh8 17.Ndf3 Nf7 (17...Ng6 18.g3+=) 18.Bc1 Bc7 19.Qf2 (19.c5 Ng6+/–) 19...a5 (19...dc4 20.Bc4 Ng6 21.Ng5 Ng5 22.fg5+=) 20.g4 (20.c5 Ra8+/–) 20...g6 (20...dc4 21.Bc4 Ra8 22.Bd2+=) 21.gf5 (21.c5 Ra8 22.Rb1 b6+=) 21...gf5 (21...ef5 22.Ng5 Qe7 23.c5=) 22.Ng5 Qe7 23.c5 Ng6 24.Kh1 Ra8 25.Be3 Rg8 26.Rg1 Ra7 27.Nhf3 Rga8 28.Nh4 (28.Nf7 Qf7 29.ba5 Ba5+=) 28...Nf8 (28...ab4 29.Ng6 hg6 30.Qh4 Kg7 31.Qh7 Kf8 32.Qg6+–) 29.Rab1 (29.Bd2 ab4 30.Bb4 Ba5 31.Ba5 Ra5 32.Nf7 Qf7+/–) 29...ab4+= 30.ab4 Bd8 31.Qg2 Ng5 32.fg5 Ng6 33.Nf3 Ra3 34.Bf1?? (better is 34.Rgd1+=) 34...Re3–+ 35.h4 (35.Qf2 Raa3 36.Nd2 f4–+) 35...Raa3 36.Nh2 Nh4 37.Qf2 Nf3 38.Nf3 Rf3 39.Qh4 Qg7 40.Qh6 (40.b5 cb5 41.Kh2 b6–+) 40...Be8 (better is 40...Rf4 41.Qg7 Kg7 42.Rg2–+) 41.Rb2 Rg3 (41...Rg3 42.Qe6 Bd7–+) 0–1. Cortijo Dominguez,Daniel – Paul Tomillo,Jesus M, Valladolid CC Social Velasco, 1994. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 Bd6 5.d4)

4.d4 Nbd7

5.Nc3 b6 6.h3 c5 7.dc5 bc5 8.bc5 1–0. capacuba (2310) – lkbo, net–chess.com, 2013. (=1.d4 d5 2.Nf3 Nf6 3.a3 e6 4.b4)

5.e3 Bd6 6.Bb2 (6.c4 dc4 7.Bc4 0–0=) 6...Ne4 (6...0–0 7.c4=) 7.Nbd2 Ndf6 (7...a5 8.c4=) 8.Ne4 Ne4 9.Bd3 0–0 (9...a5 10.c4=) 10.Nd2 (10.c4 a5+=) 10...f5 (10...Qg5 11.0–0=) 11.c4 Qh4 12.g3 (12.Qe2 Nd2 (12...Bh2? 13.Be4 fe4 14.Nf1+–) 13.Qd2 dc4= (worse is 13...Bh2 14.g3 Qh3 15.Bf1+–)) 12...Qh6 13.Ne4 (13.0–0 Bd7=) 13...fe4+= 14.Be2 Qh3 15.Bf1 (15.Qb3 c6–/+) 15...Qf5–/+ 16.Qd2 Bd7 17.c5 Be7 18.Bg2 (18.Rg1 a6–/+) 18...Bb5 19.Bf1 (19.h4 a5–/+) 19...Bf1 20.Kf1 (20.Rf1 Qh3–/+) 20...c6 (20...Qh3 21.Kg1–+) 21.Rg1 Qh3 (21...Qh5 22.Rg2–/+) 22.Rg2 Rf3 23.Bc3 Raf8 24.Re1 a6 (24...b6 25.Kg1–/+) 25.a4 h5 (25...R8f7 26.Kg1–/+) 26.b5 (26.Kg1 Qg4–/+) 26...h4 (26...Rf2 27.Qf2 Rf2 28.Kf2 ab5 29.ab5 cb5 30.Kg1–/+) 27.Kg1 Qf5 28.gh4 Bh4 29.Rf1 ab5 30.ab5 cb5 31.Qe2 Rf7 32.Be1 e5 33.Bc3 ed4 34.Bd4 b4 35.Qb2 g5 36.Qe2 g4 37.Qb2 Rh7 38.Qb4 Bf2?? 39.Rff2+– Rf2?? 40.Rf2 Qf2 41.Kf2 Rh2 42.Kg3 Rh7 43.Kg4 1–0. Popp,Tony – Pivirotto,Filiberto, IECC, 2003. (=1.a3 d5 2.d4 e6 3.b4 Nf6 4.Nf3)

5.e3 Be7 6.Bb2 0–0 7.Bd3 h6 8.0–0 b6 9.Ne5 Bb7 10.Nd2 Ne5 11.de5 Nd7 12.c4 dc4 13.Nc4+= c5 14.bc5 Nc5=+ 15.Bc2 Qc7 16.Nd2 Rfd8 17.Qg4?? Rd2–+ (17...Rd2 18.Rac1 Rad8–+) 0–1. zoltan (2385) – johnb (2245), net–chess.com, 2008.

5.Ne5 Bd6 6.f4 Ne4 7.h4? (7.Qd3 a5 8.b5 Nb6+=) 7...Ng3 (better is 7...Ne5 8.fe5 Be7–+) 8.Rh3–/+ Nf1 9.Kf1 b6 10.e3 Ne5 (10...c5 11.Bd2–/+) 11.de5 Be7 12.h5 h6 13.Qg4 Rg8 14.Bb2 Qd7 15.Qe2 a5 16.b5 Bb7 17.Nc3 0–0–0 18.Na4 f6 19.Bd4 Kb8 20.Rc1 fe5 21.fe5 (21.Be5 Bf6+=) 21...Rgf8 22.Kg1 Rf5 23.g4 (23.Rd1 Qe8–/+ (23...Ba3? 24.e4 Rf4 25.Ra3+–)) 23...Rf7 (23...Ba3 24.Ra1 Rg5 25.Ra3+/–) 24.Qd3 Rdf8 25.Rh2 Bd8 26.c3 Rf3 27.Qe2 Qe7 28.Ra1 Qg5 29.Qg2 Re3 30.Rh3 (30.Kh1 Re4–+) 30...Re4 (better is 30...Rh3!? 31.Qh3 Rf4 32.Kh2 Rg4 33.Rf1–+) 31.Rg3 (31.Kh1–+) 31...Rff4 32.Be3 (32.Rd1 Rg4 33.Rdd3 Qh5 34.Rg4 Rg4 35.Rg3 Rg3 36.Qg3 Qd1 37.Kf2 Qa4 38.Qg7 Bh4 39.Kg2–+) 32...Re3! 33.Re3 Rg4 34.Re2 (34.Qg4 Qg4 35.Kf1 Bh4–+) 34...Rg2 (better is 34...d4 35.Qg4 Qg4 36.Kf1 Qh3 37.Ke1–+) 35.Rg2 Qe5 36.Rf1 Bf6 37.Rf3 d4 (37...d4 38.Nb6 cb6 39.Rf6 Qf6 40.cd4 Qd4 41.Kh2 Qd5–+) 0–1. Cherdantsev,Vladimir (1960) – Kakadzhanov,Timur, Vladivostok op, 2007. (=1.d4 d5 2.Nf3 Nf6 3.b4 e6 4.a3 Nbd7)

5.Nbd2 Bd6

6.c4 c6

7.Bb2 0–0 8.e3 Ne4 9.Bd3 Nd2 10.Qd2 dc4 11.Bc4 Qc7 12.e4 Nb6 13.Bb3 f5 14.Qe2 fe4 15.Qe4 Rf4 16.Qd3 Nd5 17.Bc2 g6 18.g3 Rf5 19.Ne5 Be5 20.de5 Bd7 21.Qe2 Rf7 22.h4 Qb6 23.h5 Nb4 24.hg6 Nc2 25.Qc2 hg6 26.Qg6 Rg7 27.Qc2 Qa5 28.Kf1 Qd5 29.Rh6 c5 30.Qd1 Bc6 31.Qd5 Bd5 32.Ke2 b5 33.Rc1 Rc8 34.Bc3 Rc6 35.Rb1 Ra6 36.Kd2 Rb6 37.Ba5 Rbb7 38.Bd8? Be4 39.Rc1=+ Rgd7 40.Ke3 Bf5 41.g4 Rd3 42.Ke2 Be4 43.Bg5 c4–/+ 44.Re6 Bf3 45.Kf1 Bg4 46.Rg6 Rg7 47.Rg7 Kg7 48.Re1 Kg6 49.Bc1 Rd1 50.Rd1=+ Bd1 51.Ke1 Bg4 ½–½. Hepting,H – Mischustov,M, Bayern, 2000.

7.Bb2 0–0=+ 8.e3 Ne4 9.Bd3= f5 10.Rc1 Qf6 11.Qc2 Rb8 12.0–0 b5 13.cd5 cd5 14.Nb3 a6 15.Nc5 Nb6 16.Ne5 Qh6 17.f4 Nc4= 18.Rf3 Be5 19.de5 Nc5 20.bc5 Bb7 21.Rh3 Qg6 22.Qb3 Nb2 23.Qb2 Rfc8 24.Qb4 Bc6 25.Qd2 Qf7 26.g4 g6 27.Rg3 fg4 28.Be2 Rc7 29.Bg4 Rbc8 30.Qd4 Bd7 31.Rg2 Qe7 32.Rgc2 a5 33.Be2 Kf7 34.Bf1+= Be8 35.Bd3 (35.Bd3 Kg8 36.e4 de4 37.Be4=). Baer,Werner (1900) – Hasek,Frantisek (1765), TT–15 ETC, 2005.

7.Bb2 0–0 8.e3 Qe7 9.Ne5 Ne4 10.Ne4+= de4 11.c5 Bc7 12.f4 f6 13.Nd7+= Bd7 14.Qc2 e5 15.Bc4 Kh8 16.d5 cd5 17.Bd5 ef4 18.Qe4 Qe4 19.Be4 Rab8 20.ef4 Rfe8 21.0–0–0 Bf4 22.Kb1 Bg4 ½–½. Schulz,H – Milde,L, ETC, 2004.

7.e3 0–0 8.Bb2 a5 9.c5 Bb8 10.Qa4 +=.

7.e3 0–0 8.Bb2 Ne4 9.Bd3 f5 10.0–0 Qf6 11.Rc1 b6 12.cd5 cd5 13.Bb5 a6 14.Rc8 ab5 15.Rc6 Bb8 16.Qe2 Nd6 17.Nb1 Nc8 18.Rfc1 Nd6 19.Nc3 Qe7 20.Nb5 Nc4 21.h4 h6 22.R1c4 dc4 23.Qc4 (23.Qc4 Re8 24.d5 ed5 25.Qd5 Qf7 26.Qf7 Kf7 27.Nd6 Bd6 28.Rd6+/–) 1–0. Schulz,Hans_Juergen – Hasek,Frantisek, TT–16.31 ETC, 2005.

7.e3 0–0 8.Bb2 Ne4 9.Bd3 f5 10.0–0 Qf6 11.Rc1 g5 12.g3 Qh6 13.Ne5 Ndf6 14.f3+/– Nd2 15.Qd2 g4 16.f4 Qg7 17.b5 Bd7 18.a4 Ne4 19.Be4 fe4 20.Qc2 a6 21.bc6 bc6 22.cd5 cd5= 23.Nd7 Qd7 24.Qc6 Ra7 25.f5 Rf5 26.Rf5 ef5 27.Qd5 Kg7 28.Rc6+/– Bb4?? 29.Qe5+– Kg8 30.d5 (30.d5 Qg7 31.Qb8 Bf8 32.Bg7 Rg7 33.d6 Rd7 34.Qc8 Rb7 35.Qb7 f4 36.Rc8 f3 37.Qe7 f2 38.Kf2 h6 39.Rf8) 1–0. Kaenel,H – Curien,N, Berga, 1999.

7.e3 0–0 8.Bb2 Ne4 9.Ne4 de4 10.Ne5 Bc7 11.Qc2+= f5 12.Be2 Qf6 13.Qc3 Qh4 14.0–0 Rf6 15.g3 Qg5 16.f4 ef3 17.Bf3 Ne5= 18.de5 Rf8 19.Rad1 Rf7 20.Qd4 Rd7 21.Qf4 Qe7 22.e4 a5 23.c5 Qf7 24.Rd7 Bd7 25.Bd1 Rf8 26.Bd4 ab4 27.ab4 Bd8 28.Bb3 fe4 29.Qf7 Rf7 30.Rf7 Kf7 31.Bc2 Bg5 ½–½. Drude,Dieter – Veithoefer,Guenter, M386D, 2003.

4.d4 Ne4

5.Bb2 a5!? 6.b5 Bd6 =.

5.Bb2 c5 6.dc5+/– b6 7.cb6 Qb6 8.e3 (8.Bd4 Qb7 9.Nc3+/–) 8...Bd6? (better is 8...Bb4!? 9.ab4 Qb4 10.Bc3 Nc3+=) 9.Nfd2 f5?? (9...Nd2 10.Nd2 0–0 11.c4+/–) 10.c4 (better is 10.Ne4 fe4 11.Bg7 Rf8 12.Bf8 Kf8+–) 10...f4?? (better is 10...Nd2 11.Nd2 0–0+–) 11.c5 (better is 11.Ne4 de4 12.Bg7 Rg8 13.Qh5 Kd8 14.Qh7 Re8+–) 11...Bc5 12.Ne4 de4 13.Nd2 fe3 14.Qh5 g6 15.Qc5 Qc5 16.bc5 ed2 17.Kd2 0–0 18.Ke3 Bb7 19.Bc4 Re8 20.Rhd1 Na6 21.Ba6 Ba6 22.Rd7 e5 23.g3 Rad8 24.Rad1 Bd3 25.Ra7 Bc2? 26.Rad7?? Rd7?? 27.Rd7+– Rb8 28.Bc1 Rb3 29.Kd2 e3 30.fe3 Bf5 31.Rd8 Kf7 32.c6 e4? 33.c7 Rd3 34.Rd3 ed3 35.Bb2 Ke7 36.c8Q! Bc8 37.Kd3 Kd6 38.Kd4 h5 39.Kc4 Ba6 40.Kb4 Bd3 41.a4 g5 42.a5 Kd5 43.Bd4 Ke4? 44.Kc3 Bf1 45.Kd2 Kf3 46.Be5 Kg2 47.h4 gh4 48.gh4 Kh3 49.Bf6 Kg4 50.e4 Kf4 51.e5 Kf5 52.Kc3 Ke6 53.Kd4 Kd7 54.Kc5 Ke6 55.Kb6 Kd7 56.a6 Ba6 57.Ka6 Ke6 58.Kb6 Kf5 59.Kc6 Ke6 60.Kc7 Kf7 61.Kd7 Kg6 62.Bg5 Kf7 63.e6 Kg7 64.e7 Kh7 65.e8Q Kg7 66.Qh5 Kg8 67.Qf3 Kg7 68.h5 Kg8 69.h6 Kh7 70.Qf7 Kh8 71.Qg7 (71.Bf6) 1–0. Walter,Brian – Smith,Jalen, Michigan Novice, 2005. (=1.d4 d5 2.Nf3 Nf6 3.a3 e6 4.b4)

5.Nfd2 Nd2 6.Qd2 Bd6 7.Nc3 0–0 8.e3 Qh4 9.g3 Qf6 10.Bg2 Nc6 11.0–0 Ne7 (11...a6!?=) 12.e4+= de4 13.Ne4 Qf5 14.Qg5 Qg5 15.Bg5 Nf5 16.c3 h6 17.Bd2 Be7 18.h3 Bd7 19.Bf4 c6 20.g4 Nh4 21.Rae1 Ng2 22.Kg2 Rad8 23.Kg3 Be8 24.Rd1 g5 25.Be3?? (better is 25.Bc7 Rd7 26.Bb8=) 25...f5–/+ 26.Nc5 f4 27.Kg2 (27.Bf4!? Bc5 28.Be5–+) 27...fe3 28.fe3 Bc5 29.bc5 Bg6 30.Rf8 Rf8 31.Rd2 Be4 32.Kg1 Rf3 33.Rb2 Re3 34.Rb7 Rh3 35.Ra7 Rg3 36.Kf2 Rg4 37.a4 Rf4 38.Ke3 Kf8 39.a5 h5 40.Ra8 Kf7 41.a6 e5 42.a7 ed4 43.cd4 h4?? 44.Rh8+– Rf3 45.Ke4 Ra3 46.a8Q Ra8 47.Ra8 h3 48.Kf3 Ke6 49.Kg3 Kf5 50.Kh3 Ke4 51.Rd8 (51.Rd8 Kf3 52.d5 g4 53.Kh2 cd5 54.c6 g3 55.Kg1 Ke2 56.c7 d4 57.c8Q Kd3 58.Qc5 Ke3 59.Qd4 Kf3 60.Re8 g2 61.Re3) 1–0. axxle (2245) – chessnaif (2300), net–chess.com, 2013. (=1.d4 d5 2.Nf3 e6 3.a3 Nf6 4.b4)

5.e3 Qf6 6.Bd3 a5 7.b5 Bd6 8.Be4 de4 9.Nfd2 Qf5 10.Nc3 Nd7 (10...Qg6!? 11.Nce4 Qg2+=) 11.Nde4+/– 0–0 12.a4 (12.Nd6 cd6 13.Qd3 Qg4+/–) 12...b6 13.g4 (13.Nd6!? cd6 14.Qd3+/–) 13...Qg6+= 14.f3 Qh6 15.Qe2 Qh4 16.Qf2 Qf2 17.Nf2 Bb4 18.Bb2 Bb7 19.0–0 (better is 19.e4!?+/–) 19...Bf3= 20.h3 Bb7 21.Ne2 Bf3 22.Ng3 Bd2 (22...f5 23.Ba3 fg4 24.Bb4 ab4 25.Ng4=) 23.Bc1 Bc3 24.Ra3 Bb4 25.Nd3 (better is 25.e4!? Ba3 26.Ba3+=) 25...Bd5+= (worse is 25...Ba3 26.Ba3 Bb7 27.Bf8 Kf8 28.c4+=) 26.Nb4 ab4 27.Ra1 Bc4 28.Rf2 Bb5! 29.Bd2 (29.ab5 Ra5 Double attack (29...Ra1 Pinning; 29...Ra1 Deflection; 29...Ra5 Decoy)) 29...Ba4 30.Bb4 c5 31.dc5 bc5 32.Bc3 Rfd8 33.Ne4 e5 34.Ng5 f6 35.Ne6 Rdc8 36.g5 (36.Rd1 Ra6 37.Ra1 Nb6–+) 36...Rc6 (36...Kf7 37.gf6 Ke6 38.fg7–+) 37.Ng7? (better is 37.Rd2 Re6 38.Rd7–/+) 37...Kg7–+ 38.gf6 Rf6 39.Rg2 Kf7 40.Rg5 Raa6 41.Be5 Ne5 42.Re5 c4 43.Ra2 c3 44.Rc5 Rg6 45.Kh2 Rgd6 46.Kg3 Rac6 47.Rf5 Kg6 48.Rf4 Bb5 49.Ra5 Rc5 50.h4 Re5 51.Rg4 Kf7 52.Rb4 Rb6 53.Kf4 Kf6 54.Rb3 Rc5 55.h5 Rh5 56.Kg3 Rc5 57.e4 Ke5 58.Rb4 h5 59.Kf3 h4 60.Kg4 Be2 (60...Be2 61.Kh3 Ra5 62.Rb6 Ra2 63.Kh4 Rc2–+) 0–1. axxle (2250) – chessnaif (2410), net–chess.com, 2013. (=1.d4 d5 2.Nf3 e6 3.a3 Nf6 4.b4)

5.Bf4 g5 6.Bc1 a5 +=.

5.Bg5?? f6 6.Bh4 g5 7.Bg3 g4 8.Nh4 Nd7 9.f3 gf3 10.Nf3 (10.ef3 Ng3 11.hg3 Rg8+=) 10...Nb6 11.Bh4 Nc4 12.Qd3 Bh6 13.b5 Nb2 (better is 13...Bd7–+) 14.Qb3= Bd2?? (14...Nc4 15.Qd3 Bd7–/+) 15.Nfd2+– Nc4 16.Qd3 Nb2 17.Qb3 Nc4 18.Nc4 dc4 19.Qc4 Nd6 20.Qd3 Nf5 21.Bf2 Kf7 22.g4 Qd5 23.Qf3 Qb5 24.gf5 Qb2 25.Qh5 Ke7 26.Kd2 Qa1 27.Bg2 Rg8 28.Qh7 Kf8 29.Qh6 Kf7 30.Qh5 Ke7 31.Qh7 Kf8 32.Bf3 c6 33.Bh4 Qd4 34.Kc1 ef5? 35.Qh6 Rg7 36.Bf6 Qc4 37.Qg7 Ke8 38.Qe7# 1–0. dumbroad – kiwi phill, ChessWorld.net, 2012.

5.Bg5?? Ng5 6.e3 a5 –+.

4.d4 Be7

5.Bb2 0–0 6.Ne5 Nbd7 7.f4 Ne4 8.e3 Bd6 9.c4? Qh4 10.Ke2?? Qf2 11.Kd3 Qb2 12.Nd2 Nf2 (12...Nf2 13.Ke2 Nd1 14.Rd1 Be5 15.de5 dc4–+) 0–1. johntelker (2000) – amikhlin (2375), net–chess.com, 2010.

5.c3 Nc6 6.h3 Bd6 7.Nbd2 h6 8.e3 b6 9.Bd3 e5?? (9...a5 10.b5 Ne7 11.Qc2+=) 10.de5?? (better is 10.Bb5 Bd7 11.Bc6 Bc6 12.de5+–) 10...Ne5= (10...Be5? 11.Bb5 Bc3 12.Bc6 Bd7 13.Bd7 Qd7 14.Rb1+–) 11.Be2 Bd7 12.Nh2 (12.Ne5!? Be5 13.Bb2+=) 12...c5 13.f4 Nc6 14.0–0 0–0 15.Bf3 Re8 (15...Qe7 16.Re1 Be6–/+) 16.b5? (better is 16.Ng4 a5 17.Nf6 Qf6 18.Bd5 ab4 19.Nc4+=) 16...Na5–+ 17.a4 (17.Ng4 Bb5 18.Re1 Bc6–+) 17...Re3 18.Nb1 Re6 (18...Re8 19.Ng4–+) 19.Bd5 Nd5 20.Qd5 c4 21.Nd2 Rc8 (21...Bc6 22.Qf5 Bc5 23.Kh1–+) 22.Ne4? (22.Ng4 Bc6! 23.Qh5 Bb7–+) 22...Qe7 (better is 22...Bc6 23.Qe6 fe6 24.bc6 Nb3–+) 23.Nd6 Rd6 (worse is 23...Qd6 24.Qd6 Rd6 25.Nf3+=) 24.Qh5 (24.Qe5 Qe5 25.fe5 Rd3–+) 24...Nb3 25.Rb1 Qe4 (better is 25...Rc5 26.Qf3 Bf5–+) 26.Rb3?? (better is 26.Ba3 Rd2 27.Qf3–+) 26...cb3 27.Ba3 (27.Qe5 Qe5 28.fe5 Rd3–+) 27...Rd5 (better is 27...Rd2 28.Qf3 Qa4 29.Bc1–+) 28.Qf3 Qc4 29.Rc1 (29.Ng4 Bg4 30.Qg4 Rd2–+) 29...Rd2 30.Nf1 Bc6 (better is 30...Ra2 31.Rd1 Ra3 32.Rd7 b2–+) 31.bc6?? (better is 31.Nd2 Bf3 32.Nc4 Rc4 33.gf3 Ra4 34.Bb2+/–) 31...Rd3–+ 32.Qe2 Rc6 33.Qe8 Kh7 34.Ne3 Qa4 35.Bf8?? (35.Re1 Rdc3 36.Bb2 Qf4 37.Bc3 Rc3 38.Kh1–+) 35...Qf4–+ 36.Nf1 (36.Bg7 Kg7 (36...Re3 37.Qh8 Kg6 38.Rf1+–) 37.Rf1 Qe3 38.Qe3 Re3–+) 36...Rg6 (36...Qc1 37.Qc6 Rd1 38.Qe4 Kg8–+) 37.Qe2 (37.Re1 Rc3 38.Re2–+) 37...Rh3 38.Qd2 Qh4 39.Nh2 Rh2 40.Kf1 Rf6 0–1. capacuba (2345) – crisilva (2050), net–chess.com, 2015. (=1.d4 d5 2.Nf3 e6 3.a3 Nf6 4.b4 Be7)

5.g4 b6 6.a4? (better is 6.Ne5+=) 6...Bb4–+ 7.c3 Be7 8.Ne5 0–0 9.a5 Ne4 10.e3 Bh4 11.Nd3 (11.Ra2 Nd7 12.Nd7 Bd7–+) 11...Qf6 12.Qc2? (better is 12.Ra2–+) 12...Ba6 13.ab6 ab6 14.c4 (14.Ra6 Na6 15.Bg2 b5–+) 14...Bc4 (better is 14...dc4 15.Ne5 Nf2 16.Rg1 Ng4 17.Kd1 Ne5 18.Bg2–+) 15.Ra8 Qf3 16.Nd2 (16.Bg2 Qg2 17.Rf1–+) 16...Bf2 17.Nf2 Qe3 18.Kd1 Nf2 0–1. Sterle,Vincent – Ognyanovic,R, Yugoslavia corr, 1984. (=1.d4 Nf6 2.b4 e6 3.a3 d5 4.Nf3)

5.e3 0–0

6.c4 c6 7.Nc3 Nbd7 8.Bd3 h6 9.cd5 cd5 10.0–0 b6 11.Bb2 Bb7 12.Qc2 a6 13.e4+= (13.Rfc1 Rc8=) 13...de4 14.Be4 (14.Ne4 Rc8 15.Qb1 b5+=) 14...Ne4 15.Ne4 Rc8 16.Qd3 Nf6 17.Nf6 Bf6 18.Rfc1 (withdraw) (18.Rfc1 Rc1 19.Rc1–/+). Gross,Gerald – Lowry,Paul, email b4–01–05, 2001.

6.Bd2 c6 7.Bd3 a5 8.ba5 Nbd7 9.0–0 Qc7 10.Re1 Ng4 11.h3 Nh6 12.c4 Nf6 13.Qb3 dc4 14.Qc4 Nf5 (14...Rd8 15.e4+/–) 15.Qb3 (better is 15.e4 Nd6 16.Qc2+–) 15...Nd5? (better is 15...Qd8+/–) 16.e4+– Nh4 17.Nh4 (17.ed5?! Nf3 18.gf3 Bf6+–) 17...Bh4 18.ed5 ed5 19.Bb4 Bh3 (19...Rd8+–) 20.gh3 Qf4 21.Qc2 Rfe8 22.Bh7 Kh8 23.Bd3 Qg5 (23...Qd4 24.Rf1+–) 24.Kf1 Re1 25.Be1 Re8 26.a6 ba6 27.Nc3 Qf4 28.Ne2 Qh2 29.Qc6 Qh3 30.Kg1 Qg4 (30...Rd8 31.Ba6 Qg4 32.Kh2+–) 31.Kh2 Rg8 (31...Qe6 32.Qa6 Qe7 33.Qc6+–) 32.Qd5 Bf6 33.f3 Qh4 (33...Qg5 34.Qf7 Rd8+–) 34.Bh4 (34.Bh4 Rb8 35.Qh5 Kg8 36.Bf6 gf6 37.Qh6 Rb1 38.Rb1 f5 39.Rb8#) 1–0. pierred – davidyung1, Yahoo, 2005.

6.c4 Ne4

7.Nbd2 a5 8.b5 c6 9.Ne4 de4 10.Nd2 f5 11.c5 e5 12.Qb3 Kh8 13.Bb2 a4 =.

7.Nbd2 Nd2 A) 8.Qd2 c6 9.c5 b6 10.Bd3 a5 11.Rb1 Ba6 12.b5 cb5 13.Qc2 bc5=+; B) 8.Bd2 a5 9.Qb1 ab4 10.Bb4 b6 11.Be7 Qe7 12.Bd3 h6 13.cd5 ed5=; C) 8.Nd2 Nd7 9.Qf3 c6 10.Rb1 a5 11.b5 cb5 12.Rb5 Qc7 13.Bd3 b6 +=.

7.Nbd2 Nd7 8.Bd3 f5 9.0–0 a5 10.b5 c6 11.bc6 bc6 12.Bb2 Ba6 13.Rb1 Rb8 =.

7.Bd3 a5 8.b5= c6 9.0–0 f5 10.a4 dc4 11.Bc4 Nd6 12.Bd3 Bd7 13.Nc3 cb5 +=.

7.Bd3 Nd7 A) 8.0–0 a5 9.b5 f5 10.Nbd2 c6 11.Bb2 cb5 12.cd5 ed5 13.Bb5 Ndf6+=; B) 8.Nbd2 f5 9.0–0 a5 10.b5 c6 11.bc6 bc6 12.Bb2 Rb8 13.Rb1 Ba6=; C) 8.Qc2 a5 9.b5 f5 10.0–0 c5 11.Nc3 Nb6 12.cd5 Nc3 13.Qc3 Nd5+=.

7.Bd3 f5 8.0–0 a6 9.Qc2 dc4 10.Bc4 b5 11.Bb3 a5 12.ba5 c5 13.dc5 Nc5 =.

7.Bd3 f5 8.Nbd2 Nd7 (8...a5 9.b5= c6 10.bc6 Nc6 11.0–0 b6 12.Bb2 Ba6 13.Rc1 Bd6=; 8...dc4 9.Nc4 b5 10.Na5 Qd5 11.Qc2 Bd6 12.Be4 fe4 13.Nd2 Nd7+=; 8...c6 9.0–0 Nd7 10.Bb2 a5 11.b5 cb5 12.cd5 ed5 13.Bb5 Ndf6+=; 8...a6 9.0–0 Nc6 10.Qb3 b5 11.c5 Bd7 12.a4 a5 13.ab5 Nb4+=) 9.Bb2 (9.0–0 a5= 10.b5 c6 11.Bb2 cb5 12.cd5 ed5 13.Bb5 Ndf6+=) 9...c6 (9...a5 10.b5= a4 11.0–0 c6 12.Rb1 cb5 13.cd5 b4+=) 10.0–0+= g5 (10...a5 11.b5+= cb5 12.cd5 ed5 13.Bb5 Ndf6+=) 11.h3 (11.Rc1 a5 (11...Qc7 12.Qe2 Rb8 13.Rc2 g4+=) 12.b5 g4+= 13.Ne1 Ndf6+=) 11...Kh8 (11...a5 12.b5+= cb5 13.cd5 ed5+=) 12.Rc1 (12.Qc2 Kg7+/– (12...Kg8 13.Rfc1 Bd6+/–) 13.Rac1 Bd6+/–) 12...h6 (12...Kg7 13.Qc2 (13.Qe2+= Nd2+/–) 13...Bd6+/–; 12...a5 13.b5 cb5+=) 13.b5 (13.Qe2 a5 14.b5 cb5 15.cb5 Qb6+/–; 13.Qc2 Kg7+/–) 13...Kg7 (13...cb5 14.cb5 a6 15.ba6 ba6 16.Rc6+=) 14.Qe2 (14.bc6 bc6 15.Rb1 Ba6+/–) 14...g4 (14...cb5!? 15.cb5 Bd6+=) 15.hg4+/– fg4 (15...dc4 16.Bc4 fg4 17.Ne4 gf3 18.gf3+/–) 16.Be4 de4 (16...gf3 17.Bf3 Nb6 18.c5+–) 17.Ne5 (17.Nh2 h5 18.Ne4 Nf6 19.Nf6 Bf6 20.bc6 bc6+/–) 17...Ne5+/– 18.de5 h5 (18...g3 19.Ne4 gf2 20.Rf2 Rf2 21.Qf2+–) 19.Ne4+– Rf5 (19...Qa5 20.Rfd1+–) 20.Nf6 Bf6 (20...Rg5 21.Rcd1 Qh8 22.Ne4+–) 21.ef6 Kh6 (21...Kf7 22.e4 Rg5 23.Qe3+–) 22.Rfd1 (22.e4 Rf6 23.Rfd1 Qe7 24.Qe3 Kg6 25.Bf6 Qf6 26.bc6 bc6+–) 22...Qf8 (22...Qc7 23.e4 Rf4 24.Qe3+–) 23.e4 Rg5 24.e5 Kg6 (24...g3 25.fg3 cb5 26.cb5+–) 25.Rd6 (better is 25.bc6 bc6 26.Qe4 Rf5 27.Qc6 Rb8+–) 25...h4 (25...Qe8 26.bc6 bc6 27.Qe4 Rf5 28.Rcd1+– (28.Rc6 Bb7–/+)) 26.Qe4 Kh6 (26...Rf5 27.Qg4 Rg5 28.Qh4+–) 27.Rcd1 h3 (27...Qf7 28.Bc1 Qg6 29.Qg4 Qh5 30.Qg5 Qg5 31.Bg5 Kg6 32.bc6 bc6 33.Bh4 Rb8+–) 28.Rd8 h2 29.Kh1 (29.Kh1 Rf5 30.Rf8 Bd7 31.Bc1 Kh5 32.Rd4 Kg6 33.Qg4 Rg5 34.Qg5 Kh7 35.Rd7#) 1–0. Marram – Sayit Ozturk, internet, 2010.

4.e3 a5

5.ba5 c5 6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 Qa5 (8...Bd6 9.Nc3+=) 9.Nc3 Be7 10.Rb1 Qc7 11.a4 0–0 12.Nb5 Qc8 13.c3 (13.Ra1 Nb6+=) 13...c4–/+ 14.Nbd4 (14.Qc2 e5–/+) 14...Ne4 15.Ne1 (15.Qc2 Re8–/+) 15...Ndc5 16.Ba3 (16.f3 Nd6 17.Ba3 Na4–+) 16...Ra4 17.Bc5 Nc5 18.Rb5 Qd7 19.Qb1 (19.f4 Rfa8–+) 19...Nb3! 20.Nec2 (20.Nb3 Qb5 Deflection) 20...Nd2 21.Rb7 Qe8 (21...Nb1 22.Rd7 Nc3 23.Re7+=) 22.Qb6 Nf1 23.Ne6 (23.Kf1 Bf6 24.g3–+) 23...fe6 24.Kf1 (24.Qe6 Qf7 25.Re7 Qe6 26.Re6 Nd2–+) 24...Qf7 (24...Bf6 25.g3 Bc3 26.Qb1–+) 25.f3 (25.f4 Qf5 26.Qb2 Rfa8 27.Re7 Ra2–+) 25...Qf5 26.Nd4 (26.Ne1 Bh4 27.Qb2–+) 26...Qd3 0–1. queensservant (1795) – zunsurfer (2050), gameknot.com, 2014.

5.ba5 Nc6 6.Nc3 +=.

5.b5 a4 6.c4= Nbd7 7.d4 Be7 8.c5 b6 9.c6+/– Nb8 10.Bd3 0–0 11.Nc3 Re8 12.Ne5 Bd7? 13.cd7 Nbd7 14.f4 h6 15.0–0 Qc8 16.Qf3 Ne5 17.fe5 Nd7 18.Qf7 Kh8 19.Qg6 (19.Qg6 Nf6 20.ef6 Bf6 21.Qh7#) 1–0. Solis,Jose Alberto (2460) – Bonow,Valdir (1925), CiF, 2006.

5.b5 Be7 6.Bb2 0–0 7.Be2 c5 8.0–0 Nbd7 9.d3 b6 10.Nbd2 Bb7 11.c4 Qc7 12.Rc1 Rad8 13.Qb3 Qb8 14.Rfe1 Rfe8 15.Bf1 Bf8 16.Qc2 h6 1–0. Daly,C (2335) – Fox,An (2090), Limerick IRL, Men Ch, 2013. (=1.Nf3 d5 2.e3 Nf6 3.b4 e6 4.a3 a5)

5.b5 c5

6.Bb2 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 c5 6.e3).

6.c4 b6 7.Bb2 Nbd7 8.Be2 Bd6 9.d4 Bb7 10.Nbd2 0–0 11.0–0 Rc8 12.h3 Qe7=+ 13.Ne5 cd4 14.ed4 dc4 15.Ndc4 Bb8 16.Bf3 Ne5=+ 17.de5 Rfd8 18.Qe2 Bf3–/+ 19.Qf3 Nd7 20.Rac1= Rc5 21.a4 Qh4 22.g3 Qh3–/+ 23.Rfd1 Rcc8 24.Rd4 Nf8 25.Qb7 Re8 26.Qb6 Ng6 27.Re1 f6 28.Nd6 Ne5 29.Re5 Bc7? 30.Qa6 Bd6+/– 31.Rh4 Qh4 32.gh4 fe5?? 33.Qa5 Rc2+= 34.Qa6 Bc5= 35.Be5 Rf2 36.Bd6 Be3= 37.Bg3 Rc2 38.Kf1 Bc5 39.Ke1 e5 40.b6?? Bb4–+ 41.Kd1 Rec8 42.Qc8 Rc8 43.Be5 Rd8 44.Kc2 Rd7 45.Bc3 Bc5 (45...Bc5 46.a5 Kf7–+) 0–1. Liptak – Nemes, 1996.

6.c4 b6 7.Bd3 Bd6 8.cd5 ed5 9.Bb2 Nbd7 (9...0–0 10.0–0+=) 10.Bf5 Qe7 11.d4 0–0 12.Nc3 (12.0–0 c4=) 12...Bb7 13.Qc2 Rfe8 14.0–0 Rad8 15.dc5 Nc5 (15...bc5 16.Na4=) 16.Na4 Na4 17.Qa4 Ne4 (17...Bc8!? 18.Bd3 Be6+=) 18.Qd4+/– Qf6 19.Qf6 Nf6 20.Bf6 gf6 21.a4 Be5 22.Rad1 Rd6 (22...Re7 23.Nd4+/–) 23.Rd2 Red8 (23...Bc8 24.Bc8 Rc8 25.Nd4+/–) 24.Rfd1 h6 25.Nd4 Kg7 (25...Re8 26.Rc2+–) 26.Ne2 (26.Rc2 Re8+–) 26...Bc8 (26...Re6 27.Be6 fe6 28.f4+–) 27.Bc8 Rc8 28.f4 Bc3? (28...Rcd8+–) 29.Rc2 (29.Rd5?! Rd5 30.Rd5 Bb4+–) 29...d4 30.Rc3! (30.Rc3 dc3 31.Rd6+–; 30.Nc3?! d3 31.Rcc1 d2+–) 1–0. Laurent,Claude – Bouma,Jan, corr TKM/A007, 1999.

6.c4 d4 7.Bb2 de3 8.de3 Qd1 9.Kd1 b6 10.Nbd2 Bb7 11.Bd3 Nbd7 12.Kc2 Bd6 13.h3 Bc7 14.e4 e5 15.Rae1 ½–½. Nepustil – Hruska, 1997.

6.c4 Bd6 7.Bb2 0–0 8.d4 b6 9.Nbd2 Bb7 10.h3 Nbd7=+ 11.Bd3 Ne4 12.Qc2 f5 13.Rg1 Ndf6 14.g4 cd4 15.Nd4= Qd7 16.gf5 ef5= 17.Nc6 Nd2 18.Kd2 Bc6 19.bc6 Qc6 20.Rg2 Kh8=+ 21.Rag1 Ra7 22.Bf5 dc4–/+ 23.Bh7 Bh2–+ 24.Rg7? Rd7 25.Kc1 Bg1 26.Qg6?? c3 (26...c3 27.Qh6 cb2 28.Kb2 Qb5 29.Kc1 Qf1 30.Kb2 Rg7 31.Bd3 Nh7 32.Bf1 Rf2 33.Kc3 Rf6–+) 0–1. Liptak – Varga, 1996.

6.c4 Bd6 7.d4 =+.

6.c4 Be7 7.Bb2 0–0 8.d4 Nbd7 9.cd5 ed5 10.dc5 Nc5 11.Be2 Bf5 12.0–0 a4 13.Nc3 Be6 14.Rc1 (14.Rc1 Bd6 15.Re1+=). SkyNet – playwaycool, ChessWorld.net, 2006.

6.c4 Be7 7.Be2 0–0 8.0–0 b6 9.Bb2 Bb7 10.d4 Nbd7 11.Nbd2 Rc8 12.Rc1 cd4 13.Nd4 Re8 14.cd5 Nd5 15.Nc6 Bc6 16.bc6 Nc5 17.Qc2 Bf6 18.Bf6 Qf6 19.Nb3 Nb3 20.Qb3 Qe5 21.Bf3 Qd6 22.Qb5 Qa3 23.c7 Qb4 24.Qe8 1–0. marekt (1800) – wwgia (1705), gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 d5 5.e3)

6.bc6 bc6 7.Bb2 Nbd7 =.

6.bc6 bc6 7.c4 Bd6 8.d4 0–0 9.Bd3 Nbd7 10.Bb2 Rb8=+ 11.Qc2 dc4 12.Bc4 c5 13.Nbd2 Bb7 14.dc5 Nc5 15.0–0 Qc7 16.Bf6 gf6 17.Rfc1 a4 18.Bd3 Kg7 19.Qc4 Rg8 20.Ne4 Be4=+ 21.Be4 Nb3 22.Qc7 Bc7 23.Rc7 Na1 24.h4 Rgc8–+ 25.Ra7 Rc4 26.Nd4 Rb6 27.Bf3 Nb3 28.Bh5 Nd4–+ 29.ed4 Rd4 30.g4 f5 31.Rf7 Kg8 32.Ra7 fg4 33.Kg2 h6 34.Bf7 Kf8 35.h5 Rf4 36.Bg6 Rb2 37.Rh7 Rbf2 38.Kg3 R2f3 39.Kg2 Ra3 40.Rh6 Rb4 41.Rh8 Kg7 42.Rh7 Kg8 43.Rf7 Rb2 44.Kf1 Ra1 (44...Ra1 45.Bb1 Rab1#) 0–1. Hodgson – Kraidman, 1982.

6.bc6 bc6 7.d4 Bd6 8.Nbd2 Nbd7 9.Bd3 0–0 10.0–0 c5 11.c4 Ba6 12.Bb2 Rc8 13.Ne5 Nb6 14.Qb3 a4–/+ 15.Qa2 Nfd7 16.Rfc1 cd4 17.ed4 Ne5 18.de5–/+ Be7 19.Bf1=+ Bg5 20.cd5 Bd2 21.Ba6–/+ Bc1 22.Bc8 Bb2–+ 23.Qb2 Nc8 24.d6 Nd6 25.ed6–/+ Qd6 26.Qc2 Ra8 27.Qe4 Ra5 28.g3 g6 29.Qc2 Qc5 30.Qd1 Qc3 31.Rb1 Ra8 32.Qd6 Kg7 33.Qe7 Rc8 34.Qb4 Rc4 35.Qb5 Re4 36.Qb7 Qf3 37.Rf1 h5 38.Qb2 e5 39.h4 g5 40.hg5 h4 41.Qb6 hg3 42.Qf6 Qf6 43.gf6 Kf6 44.fg3 Kg6 45.Rf3 f5 46.Kf2 Kg5 47.Rc3 Rd4 48.Ke3 Kg4 49.Rc5 Rd1 50.Re5 Ra1 51.Ra5 Ra3 52.Ke2 Ra2 53.Ke1 a3 54.Kd1 Ra1 55.Kc2 a2 56.Kb3 Rg1 57.Ra2 Rg3 58.Kc4 Re3 59.Ra7 f4 60.Rg7 Kf3 61.Rf7 Kg3 62.Kd4 Re8 63.Kd3 f3 64.Rg7 Kf2 65.Rf7 Kg2 66.Rg7 Kf1 67.Kd2 f2 68.Rg6 Rd8 69.Kc2 Rd4 (70.Rg8 Rd7–+) 0–1. Krueger – Jung, corr SOK–89–47, 1989.

6.bc6 bc6 7.d4 Be7 8.Bd3 (8.c4 Ra7=) 8...0–0 (8...Nbd7 9.Nc3=) 9.0–0 (9.Nbd2 Nbd7=) 9...c5 10.dc5 Nfd7 ½–½. Majzik,Levente (2330) – Peredy,Ferenc (2310), HUN–chT2 Maroczy, 2002. (=1.Nf3 Nf6 2.e3 d5 3.b4 e6 4.a3 a5)

6.Be2 Bd6 7.Bb2 Nbd7 8.d3 e5 9.Nbd2 Qe7 10.c4 e4 11.de4 de4 12.Ng5 Be5=+ 13.Be5 Qe5 14.Nh3 Nb6 15.Nf4 0–0 16.Rc1 Rd8 17.Qc2 g5 18.Nd5 Nbd5 19.cd5 Rd5 20.Nc4 Qc7 21.Qb2 Ne8 22.0–0 b6 23.f4 Bb7 24.Rcd1 Rad8 25.Rd5 Rd5 26.Qb3 Rf5 27.Ne5 h6 28.Rd1= Bc8 29.Bc4 Nd6 30.Ng4 Kh7 31.fg5 hg5 32.Bd5 Kg6 33.Qc3 f6 34.a4 Qe7 35.h3 Rd5 36.Rd5 Bg4 37.hg4 Qe6 38.Rd1 Nf7 39.Qd2 Ne5 40.Qd6 Qb3 41.Re1 Qc3 42.Rf1 Qe3 43.Kh1 Ng4 44.Qe6 Nf2 45.Kg1 Nh3 46.Kh2 Nf4 47.Qe8 Kf5 48.Qd7 ½–½. Seckler,Siggi – Kaltschmidt,Andreas, remoteschach.de, 2003.

6.Be2 Bd6 7.d3 Nbd7 8.Nbd2 0–0 9.Bb2 Re8 10.c4 b6 11.a4 Qc7 12.0–0 h6 13.Rc1 Bb7 14.g3 Qd8 15.Re1 Bc7 16.Bf1 Qe7 17.Nh4 Red8 18.Bg2 Rab8 19.f4 Rbc8 20.cd5 Nd5 (worse is 20...ed5 21.e4 d4 22.e5+–) 21.Nc4 Ba8 22.Qe2 Nb4 23.Ba8 Ra8 24.Rcd1 Rac8 25.Rf1 Kh8 26.e4 Kg8 27.Ng2 Ra8 28.Nge3 Rac8 29.d4 cd4 30.Bd4 Qf8 31.Qh5 Kh7 32.Rd2 f6 33.e5 f5 34.Rfd1 Nc5 35.Bc5 Qc5 36.Kf2 Qe7 37.Nd6 Bd6 38.Rd6 Rd6 39.ed6 (worse is 39.Rd6 Rc3=) 39...Qd7 40.Qe2 Rc3 41.Kg1 Rc8 42.g4 g6 43.Qd2 1–0. urdukan (2290) – marekt (2150), gameknot.com, 2015.

6.c4 Nbd7

7.Qc2 Bd6 8.Bb2 b6 9.Be2 0–0 10.0–0 Bb7 11.d3 Ng4 12.Nbd2 Qe7 13.h3 Nh6 14.Rad1 f5 15.Rfe1 Nf7 16.cd5 ed5 17.e4 fe4 18.de4 d4 19.Nc4 Bc7 20.Bf1 Rae8 21.Na5 ba5 22.Nd4 Be4 23.Qc1 Nd6?? 24.f3=+ Qh4 25.fe4 Qf2 26.Kh1 Ne4 27.Bc4 Kh8 28.Ne6 Re6 29.Bg7 Kg7 30.Rd7 Kh8 31.Rc7 Ng3 32.Kh2 Re1 33.Qc3 Rf6 34.Rc8 Kg7 35.Qg3 Qg3 36.Kg3 Re3 37.Kh2 Ra3 38.Rc7 Kf8 39.Bd5 a4 40.Rc5 Rd3 41.Be4 Rd4 42.Rc8 Ke7 43.Bc6 Rb4 44.Rc7= Kd6 45.Rh7 a3 46.Ra7 Rb3 47.Bf3 Kc5 (< 47...Rb5 48.Ra3 Rb2 49.h4+/–) 0–1. Llorente,Jose Luis (2020) – Nemec,Zdenek (2110), KO–4029.1.8 IECC, 2010.

7.d3 Bd6 8.Nbd2 0–0 9.Bb2 b6 10.g3 Bb7 11.Bg2 Qe7 12.0–0 Rad8 13.Re1 Ng4 14.Qc2 f5 15.Rad1 Bb8 16.Qb3 Kh8 17.h3 Ngf6 18.a4 e5 19.cd5 Bd5 20.Nc4 Bc7 21.Qc3 Rde8 22.Qc2 e4 23.de4 fe4 24.Ng5 Bb7 25.h4 Be5 26.Bh3 Bb2 27.Qb2 Bd5 28.Bd7 Bc4 29.Be8 Re8 30.Qc3 Bg8 31.Nh3 Ng4 32.Nf4 Ne5 33.Kg2 Nf3 34.Rh1 Bf7 35.h5 Ne5 36.Rd2 Kg8 37.Rhd1 Qg5 38.Rh1 Qg4 39.Rh4 Qf5 40.Rd6 Nc4 41.h6 Qg5 42.Rg6 Qe5 43.Rg7 Kh8 44.Ne2 Nd6 45.Qe5 Re5 46.Rf4 1–0. Anastasian,Ashot – Dvoirys,Semen I, It swiss, 1993. (=1.Nf3 Nf6 2.b4 e6 3.a3 a5 4.b5 d5 5.e3 c5 6.c4 Nbd7)

7.d3 Be7 8.Nbd2 0–0 9.Bb2 Ne8 10.Be2 Bf6 11.Qc2 b6 12.0–0 Bb7 13.Rac1 Rc8 14.Rfd1 Qe7 15.a4 Bb2 16.Qb2 Nd6 17.Ne5 Ne5 18.Qe5 dc4 19.dc4 Rcd8 20.Nf1 Rd7 21.Rc2 Rfd8 22.Rcd2 Ne8 23.Rd7 Rd7 24.Qb8 Rd1 25.Bd1 Kf8 26.Bf3 Bf3=+ 27.gf3 Qc7 28.Qa8 Ke7 29.Ng3 Nd6 30.Qg8 g6 31.Qh7 Qd7 32.Kg2 Kd8 33.Qh8 Kc7 34.Qc3 Qe7 35.Qd3 Qg5 36.Qd6 0–1. Benko,Francisco – Corte,Cesar Juan, Buenos Aires, 1952.

7.d4 Bd6 =.

7.cd5 ed5 8.Be2 =.

7.cd5 Nd5 8.Bb2 b6 9.Bc4 Bd6 10.0–0 0–0= 11.d3 Bb7 12.Nbd2 Bc7 13.Qc2 Re8 14.Rac1+= Rc8 15.Rfd1 Qe7 16.Qb1 e5 17.h3 N7f6 18.Bb3 h6 19.Nc4 Nd7 20.Qa2 N5f6 21.Ncd2 Bb8 22.Nh4 Nf8 23.Nc4 Bc7 24.Nf5 Qd7 25.Nfd6 Bd6=+ 26.Nb6 Qb5 27.Nc8 Rc8 28.Bf7 Kh7 29.Bc3 Qc6 30.f3 Bc7 31.Qb1 Kh8 32.d4 ed4 33.Bd4 N8d7 34.Bf6 Nf6=+ 35.Qf5 Bd6 36.Rb1 Bg3 37.Rb2 Qc7 38.Bc4 Re8 39.Rbd2 Qe7 40.Re2 Bc7 41.Ree1 Bc6 42.Re2 Bd7 43.Qc2 Rf8 44.Bd3 Bc6 45.Bc4 Qe5 46.f4 Qe8 47.Ree1 Ba4 48.Bb3 Bb3 49.Qb3 Qe7 50.Rc1 Rd8 51.Red1 Rd1 52.Rd1 c4 53.Qc4 Qe3–+ 54.Kh1 Bf4 55.Rd8 Kh7 56.Qd3 Qd3 57.Rd3 Kg6 58.g3 Bc7 59.Kg2 Kf5 60.Kf3 Ke6 61.Rb3 Nd7 62.Rb5 Bd8 63.h4 Kd6 64.h5–/+ Kc6 65.Rf5 a4 66.Rf4 Nc5 67.Kg4 Bg5 68.Rf3 Bc1 69.Kf5 Kb5 70.Kg6 Kc4 71.Kg7–/+ Ne6 72.Kf6? Nd4–+ 73.Rf1 Ba3 74.g4 Bb2 (75.g5 hg5 76.Kg5 a3–+) 0–1. Jacewicz,Grzegorz – Nemec,Zdenek, corr or01–010, 2001.

5.b5 Bd6

6.c4 0–0 7.d4 c5 8.cd5 Nd5 9.e4 Nc7 10.dc5 Bc5 11.Qd8 Rd8 12.Nc3 Nd7 13.Na4 Bd6 14.Be3 Ne8 15.Be2 Nef6 16.Nd2 h6 (better is 16...Be7!?+=) 17.Nc4+/– Bc7 (17...Ne4? 18.f3 Bg3 19.hg3 Ng3 20.Rh2+–) 18.f3 Ne5? (better is 18...Nh5!?+/–) 19.Bb6+– Bb6 20.Nab6 (20.Nab6 Nc4 21.Na8+– (21.Nc4?! Bd7+/–; 21.Bc4?! Rb8+=)) 1–0. daxthedog (2140) – pawnraider (2045), gameknot.com, 2015.

6.d4 0–0 7.c4 dc4 8.Bc4 Nbd7 9.0–0 e5 10.Nc3 e4 11.Nd2 Nb6 12.f3 ef3 13.Qf3 (worse is 13.Rf3 Bg4–/+) 13...Ng4 14.g3 (worse is 14.Bf7 Kh8 15.Qe2 Nh2–+) 14...Qe7 Exerts pressure on the backward pawn 15.Nce4 Be6 16.Be6 Qe6 17.Nd6 cd6 18.e4 Rae8 19.a4 f5 20.h3 Nh6 21.e5 de5 22.de5 Nf7 23.Qf5 Qd5 24.Ba3 Re5 (24...Qd2 25.Bf8 Qe3 26.Kh2+–) 25.Qf2 Rfe8 26.Nf3 (26.Qb6 Ng5 27.Qc5 Nh3 (27...Qc5?! 28.Bc5 Rc5 29.h4=) 28.Kh2 Qd2 29.Kh3 Qd7 30.Kh2 Rc5 31.Bc5 Qd5–+) 26...Re2 27.Rae1 (27.Qb6? Ng5 28.Bc5 R8e6–+) 27...Re1 28.Re1 Re1 29.Qe1 ½–½. Flipper – ETC_Chess, playchess.de, 2003.

5.b5 Nbd7

6.c4 Be7 7.Bb2 0–0 8.Be2 c6 (8...Nb6 9.cd5 ed5 10.0–0=) 9.cd5 cd5 10.0–0 a4 (10...b6 11.Nd4=) 11.d3 (11.d4 b6+=) 11...Qa5 12.d4 Ne4 (12...b6 13.Qe1=) 13.Qe1 (13.Qd3 b6=) 13...Nb6 14.Nfd2 f5 15.Ne4 Qe1 16.Re1 fe4 17.Nd2 Bd7 18.Rac1 Bd6 19.h3 Rf6 20.Rf1 Raf8 21.Rc2 h6 22.Nb1 Kh7 23.Nc3 (23.Nd2 Rf5=) 23...g5+= 24.Bh5 (24.Nb1 h5+=) 24...Kg7 (24...Nc4 25.Be2 Nb2 26.Rb2+=) 25.Bg4 Be8 (25...Nc4 26.Ra1+=) 26.Be2 h5 27.g3 g4 28.h4 (28.hg4 hg4 29.Kg2 Bd7+=) 28...R6f7 29.Nb1 Bd7 30.Kg2 Kg6 31.Nc3 Rc8 32.Rfc1 Rff8 33.Bf1 Rc7 34.Nb1 Rc2 35.Rc2 Kf5 36.Rc1 Ra8 37.Nd2 ½–½. uberlebende (2045) – gambit_queen (2000), gameknot.com, 2014.

6.d4 b6 7.c4 Bb7 8.Nbd2 Bd6 9.Bd3 0–0 10.cd5 Nd5 11.Nc4 N7f6 12.Qc2 Qe8 13.e4+/– Nf4 14.e5 c6?? 15.Nd6+– Nd3 16.Qd3 Qe7 17.Nb7 Qb7 18.ef6 gf6 19.Bh6 Rfe8 20.Ne5! Kh8 21.Qf3 f5 22.Bg5 Kg8 23.Bf6 f4 24.Qg4 Kf8 25.Qg7# 1–0. marekt – COMP, 2002.

6.d4 Bd6 7.c4 b6 8.Nbd2 Bb7 9.cd5 ed5 10.Nh4 g6 11.Bb2 0–0 12.Rc1 Re8 13.Nhf3 Ne4 14.Be2 Ndf6 15.0–0 h6 16.Ne5 Nd2 17.Qd2 Be5 18.de5 Ne4 19.Qd4 Rf8 20.Bd3 Qe7 21.Be4 de4 22.e6 f6 23.Qd7 Qd7 24.ed7 Bd5 25.Rc7 Rad8 26.Rd1 Be6 27.Rd6 Bf5 28.Rb6 Rd7 29.Rd7 Bd7 30.h4 Kg7 31.a4 Bg4 32.Ra6 Rf7 33.Ra5 Rb7 34.Ra6 Rf7 35.a5 Be2 36.Rb6 Bc4 37.a6 g5 38.h5 Bd5 39.Rf6 Rf6 40.b6! Bc6 41.b7 Kf7 42.b8Q Bd7 43.Bf6 1–0. COMP – COMP, 2002.

6.d4 Be7 7.Nbd2 c5 8.c4 0–0 9.Bd3 Re8 10.Bb2 Bf8 11.0–0 g6 12.Re1 Bg7 13.Rc1 b6 14.a4 Bb7 15.Qb3 Rc8= 16.e4 cd4 17.Bd4 e5 18.ed5? ed4–+ 19.Nd4? Nc5 20.Qb1 Nfe4 (20...Nfe4 21.Ne4 Bd4 22.Nc5 Re1 23.Re1 Rc5–/+) 0–1. Kobernat,Alan – Graham,P, USA op Chicago, 1973.

6.d4 Be7 7.Be2 Nb6 8.0–0 0–0 9.Nc3 Re8 10.Re1 Bd6 11.Bd3 a4 12.e4 de4 13.Ne4 Ne4 14.Be4 h6 15.Qe2 Nd7 16.c4 Nf6 17.Bc2 b6 18.Ne5 Bb7 19.Qd1 Qc8 20.Ba4 Rd8 21.Nc6 Bc6 22.bc6 Ra7 23.Qb3 Ng4 24.h3 Nf6 25.Bb2 Nh5 26.Bb5 Nf4 27.Rac1 Qb8 28.Qf3 Re8 29.Rcd1 Ng6 30.Re3 Nh4 31.Qe2 Nf5 32.Rb3 Qa8 33.Rdd3 Ra5 34.Kh1 Be7 35.Qe5 Qb8 36.Qf4 Bd6 37.Qf3 Qc8 38.Qe2 Kf8 39.Rd1 Qa8 40.Qf3 Nh4 41.Qd3 Qd8 42.Qh7 Qg5 43.Rg1 Nf5 44.Rf3 Qd2 45.Bc3 Qc2 46.Ba5 Ng3 47.fg3 Qh7 48.Bb4 Bb4 49.ab4 Qe4 50.Rd1 Rd8 51.Rfd3 Ra8 52.Rf3 Ra2 53.Rdf1 f6 54.g4 Qd4 55.Rb3 Kf7 56.Re1 e5 57.Rbb1 Rd2 58.Ra1 e4 59.Ra7 Kg6 60.Raa1 e3 61.Rg1 e2 62.Rae1 Rd1 63.c5 Qa1 64.Rd1 ed1Q 65.Rd1 0–1. EXchess 3.11 (2220) – Comet B25, 2002.

6.Be2 Bd6 7.d4 c5 8.dc5 Nc5 9.Bb2 b6 10.Nbd2 Bb7 11.0–0 0–0 12.c4 Rc8 13.cd5 Bd5 14.Nc4 Bc7 15.Nfe5 Be5 16.Ne5 Nb3 17.Rb1 Ne4 18.Nc6 Bc6 19.Qb3 Ba8 20.Qa4 Qg5 21.h4 Qg6 22.h5 Qg5 23.f4 Qh4 24.Qd4+= f6 25.f5 e5 26.Qa4 Qg5 27.Rbe1 Qe3 28.Kh2 Nd2 29.Qh4 Qb3 30.Bc1 Nf1 31.Bf1 Rfd8 32.Be3 Rd6 33.h6 gh6 34.Bh6 Kh8 35.Re3 Qf7 36.Qf2 Rg8 37.Rg3 Rg3 38.Kg3 Be4 39.Kh4 Qd5 40.Be3 Qd1 41.Bb6 Bd3 42.Qf3 Bf1 43.Qd1 Rd1 44.Ba5 Bb5 45.Bb6 Rh1 46.Kg3 h5 47.Kf2 Kg7 48.g3 Rf1 49.Kg2 Rf5 (50.Kh3 Bc6–+) 0–1. Sjeng 12.13 – Dragon 4.2, 2002.

6.Be2 e5 7.0–0 Bd6 8.d4 e4 9.Nfd2 c5 10.bc6 bc6 11.c4 0–0 12.Re1 Ba6 13.Kh1 Re8 14.Nc3 Qc7 15.c5 Be7 16.Ba6 Ra6 17.Rb1 Raa8 18.Rb3 Reb8 19.Bb2 Rb3 20.Nb3 Rb8 21.Ba1 Bd8 22.Nd2 Qc8 23.f3 ef3 24.Qf3 Nf8 25.e4 Qd7 26.ed5 cd5 27.Qe2 Ne6 28.Nf3 Rb7 29.Ne5 Qe8 30.c6 Rb8 31.Nb5 Qe7 32.Bb2 Ne4 33.Kg1 Nf4 34.Qf1 Qg5 35.g4 Nd2 36.Nc4 Qg4 37.Kh1 Bh4 38.c7 Rc8 39.Nd2 Be1 40.Nf3 Bh4 41.Ne5 Qe2 42.Qe2 Ne2 43.Nc6 Bf6 44.Nca7 Rc7 45.Nc7 Bd4 46.Bd4 Nd4 47.a4 f6 48.Kg2 Kf7 49.Nab5 Nc6 50.Nd5 Ke6 51.Nf4 Ke5 52.Kf3 f5 53.h4 g6 54.Ke3 Kf6 55.Nd5 Ke5 56.Nbc3 h6 57.Nf4 g5 58.Nd3 Ke6 59.h5 Kd6 60.Kf2 Ne5 61.Nb5 Kd5 62.Ne5 Ke5 63.Na7 Kd5 64.Nc8 Ke6 65.Nb6 f4 66.Nc4 Kd5 67.Na5 g4 68.Nb7 Ke6 69.a5 Kd7 70.Nc5 Kc6 71.Ne6 g3 1–0. EXchess 3.11 (2220) – Comet B25, 2002.

4.e3 c5

5.b5 a6 6.ba6 ba6 7.c4 Nc6 8.Be2 Be7 9.0–0 0–0 10.Qc2 d4 11.ed4 cd4 12.d3 e5 13.Nbd2 Be6 14.Re1 Nd7 15.Bf1 Qc7–/+ 16.g3 f5 17.Nb3=+ Nc5 18.Nc5= Bc5 19.Ng5 Bc8 20.Bg2 h6 21.Bd5 Kh8 22.Qe2 Rf6 23.Qh5 Bb7 24.Rb1 Rb8 25.Ne6 Qe7? 26.Bg5 Ba7 27.Bf6 Qf6 28.Rb7! Rb7 29.Qe8 Kh7 30.Nf8 Kh8 31.Ng6 Kh7 32.Bg8# 1–0. Steffens – Van Zyl Smit, Hastings, 1995.

5.b5 b6 6.Bb2 Bb7 7.c4 Nbd7 8.d4 Ne4 9.Bd3 Ndf6 10.Nc3 (10.0–0 Bd6=) 10...Nc3 (10...cd4!? 11.Nd4 Nc3 12.Bc3 dc4 13.Bc4 Qc7+=) 11.Bc3= Be7 12.0–0 0–0 13.Ne5 Bd6 14.Bb2 Qc7 15.f4 dc4 16.Nc4 Be4 17.Be2 (17.dc5!? Bd3 18.Qd3 Bc5 19.Bf6 gf6 20.f5+=) 17...Rac8 18.Rc1 Qd7 (18...Be7 19.Bd3=) 19.a4 (19.Nd6 Qd6 20.dc5 Qd1 21.Rfd1 Rc5 22.Rc5 bc5 23.Bf6 gf6+–) 19...Be7 20.Ne5 (20.dc5 Qd1 21.Rfd1 Bc5+=) 20...Qd5 21.Bc4 Qb7 22.Rf2 Rfd8 23.h3 Nd5 24.Qb3 f6 (24...Bd6!?=) 25.Nc6+= Rd7 26.g4 (better is 26.f5!?+/–) 26...Bf8= 27.f5 ef5 28.gf5 (better is 28.Rf4 Qc7 29.Kf1=) 28...Re8?? (better is 28...Qc7+=) 29.Rf4+– Kh8? (better is 29...Qc7 30.Ne5! fe5 31.Re4 Qd8 32.dc5 Bc5 33.Bd5 Kh8+–) 30.Re4! Re4 31.Bd5 Rh4 32.e4 Qc7 33.e5 cd4 34.Be6 d3 35.Bd7 Bc5 36.Kg2 Qd7 37.ef6 (37.ef6 Rd4 38.Nd4 gf6 39.Qd3+–) 1–0. Romero Jaime,Pedro (1735) – Farinas Lucas,Juan Antonio (1770), Madrid Low cost Cup, 2009. (=1.Nf3 Nf6 2.b4 d5 3.e3 e6 4.a3 c5)

5.b5 Bd6 6.d4 (6.Bb2 0–0 7.Bd3 c4 8.Be2 Bd7 9.Nc3 Qa5 10.a4 5...Bd6) 6...Nbd7 7.Bb2 Qc7 8.c4 dc4 (8...cd4 9.Nd4 0–0 10.Nd2=) 9.Qc2 (9.Nbd2 0–0=) 9...b6 (9...cd4 10.Nd4 a6 11.ba6 ba6 12.Nd2=) 10.Nbd2 cd4 11.Bd4 (11.Qc4 Instead of 11...de3 12.fe3 0–0–/+) 11...Bb7 12.Nc4 0–0 13.Be2 Bd5 (13...Rac8 14.Qb2+=) 14.Qa4 (14.Qb2 Bc5=) 14...Bc5 15.0–0 Bd4 16.ed4 White has an active position 16...Rfc8 17.Rac1 Ne4 18.Rc2 f6 (18...Qf4 19.g3 Qf6 20.Rfc1=) 19.Qb4 Qd8 Black has a cramped position 20.Rfc1 Qf8 21.Ne3 Rc2 22.Qf8 Kf8 23.Rc2 Ke7 24.Nd5 ed5 25.Ne1 Kd8 26.Nd3 Rc8 27.Rc8 Kc8 A minor pieces endgame occured 28.Nb4 Nc3 29.Bd3 Kc7 30.f3 Kd6 31.Kf2 Nd1? 32.Ke2+/– Nb2 33.Bh7 Nf8 34.Bf5 g6 35.Bb1 Ne6= 36.Kd2 Nc4 37.Kc3 g5 38.a4 Ne3 39.g3 Nf1 40.Bd3 Nh2 41.Be2 g4 42.fg4 Ng5 43.Kd3 Ne4 44.Ke3 Ng3 45.Bd1 Ne4 46.Kf4 Nf1 47.Bb3 Nc3 48.Bc2 Ne2–/+ 49.Kf5 Ne3 50.Kf6 Ng4 51.Kg5 Ne3 52.Bd3 Nd4 53.Kf4 Nc4 54.Bf1? Ne6–+ 55.Kf5?? Ne3 56.Kf6 Nf1 0–1. Izquierdo,Daniel (2285) – Belistri,Ubaldo (2060), URU–ch playoff, 2001. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5)

5.c3 a6 6.Be2 Nc6 7.Bb2 cb4 8.cb4 Be7 9.0–0 0–0 10.d4 Bd7 11.Nc3 Rc8 12.Rc1 Ne4 13.Bd3 f5= 14.Nd2 Bf6 15.f3 Nd2 16.Qd2= h6 17.Qf2 Ne7 18.Ne2+= b5 19.Qg3 Kh8 20.Nf4+/– Bg5 21.e4?? Bf4–+ 22.Qf4 fe4 23.Qh4 ed3 24.g4 Ng6 25.Qg3 Nf4 26.Kh1 Ne2 27.Qe5 Nc1 28.Bc1 Qf6 (28...Qf6 29.Qe3 Rc4–+; better is 28...Rf3! 29.Rg1–+) 0–1. alaamattar (2135) – pushtiu (2290), net–chess.com, 2006.

5.c3 cb4 6.ab4= Nc6 7.Bb5 Bd6 8.0–0 0–0 9.Ba3 e5=+ 10.Bc6 bc6–/+ 11.b5 cb5 12.Ne5 Be5–+ 13.Bf8 Qf8 14.d4 Bc7 15.Na3 Qd6 16.g3 Bh3 17.Re1? a6?? 18.Qf3? Re8 19.Nc2 Ne4 20.Nb4 a5 21.Nc2 Nc3 22.Qh5 Bc8 23.Kg2 g6 (23...g6 24.Qg5 b4–+) 0–1. Bitterling,Max (2035) – Oi_sin,Kim (2015), remoteschach.de, 2004.

5.c3 Bd6 6.bc5 Bc5 7.d4 Bd6 8.c4 0–0 9.cd5 ed5 10.Bd3 Bg4 11.h3 Bh5 12.Nc3 Nbd7 13.0–0 Rc8 14.Bb2 Nb6 15.Bf5 Rc6 16.Nb5 Bb8 17.Qb3 Bf3–/+ 18.gf3 Nc4 (18...Nc4 19.Bc3 a6–+) 0–1. Frysiak,Adam – Buczinski,Henryk, corr 2AMM, Poland, 1993.

5.c4 cb4 6.ab4 Bb4 7.Qa4 Nc6 8.Nd4 Qb6 9.cd5 Nd5 10.Bb5 Bd7 11.Bb2 a6 (11...0–0 12.Nc3–/+) 12.0–0 0–0 13.Bc6 Bc6 14.Nc6 bc6 15.Qb3 (15.Qc2 Bd6–/+) 15...Bd6 16.Qb6 Nb6 17.d3 Rfd8 18.Ba3 a5 (18...c5 19.Nc3–+) 19.Rc1 (19.d4 Ba3 20.Na3 Nd7–/+) 19...Ba3 (19...c5!?–+) 20.Ra3–/+ Rd6 21.Nd2 f5 22.Nf3 (22.d4 e5 23.Nf3 ed4 24.Nd4 g6+=) 22...Nd7–/+ 23.Kf1 c5 24.Nd2 a4 25.Ke2 Nb6 (better is 25...Rb6!?–/+) 26.Rc5= Kf7 27.Nc4 Nc4 28.Rc4 Attacks the isolani on a4 28...Rda6 29.f3 R6a7 30.h4 h5 31.e4 Kf6 32.Ke3 g5 (32...fe4 33.de4 g5 34.e5 Ke5 35.hg5=) 33.hg5 (33.ef5!? Kf5 34.Rc5 e5 35.d4+=) 33...Kg5= 34.d4 f4 35.Kd3 Ra5 36.Rc5 Kf6 37.Kc4 Rc5 38.dc5 Ke7 39.Kb5+= Rg8 40.Ra2 Kd7 41.Ka4 Ra8+= 42.Kb3 Ra2 43.Ka2 Kc6 44.Kb3 Kc5 45.Kc3 e5 46.Kd3 Kb4 47.Kd2 Kc4 48.Kc2 Kd4 49.Kd2 h4 50.Ke2 Kc3 51.Ke1 Kd3 52.Kd1 Ke3 53.Ke1 h3! 54.gh3 Kf3 55.h4 Ke4 (55...Ke4 56.h5 Kf5–+) 0–1. Martinez Fabra,AJ – Camarasa Escutia,JB, Alzira op, 1995. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5)

5.c4 dc4 6.Bc4 cb4=+ 7.ab4 Bd7 8.Ba3 a6 9.0–0 Be7 10.d4 b5= 11.Bb3 Nc6 12.Qd2 0–0 13.e4? Ne4–+ 14.Qe1 Nf6 15.Ra2 a5 16.ba5 Ba3 17.Ra3–/+ b4 18.Ra1 Ra5 19.Ra5 Qa5 20.Qe3 Ne7 21.Nbd2 Ned5 22.Qe5 Rc8 23.h4 Qa3 24.h5 h6 25.g3 Ba4 26.Bd5 Nd5 27.g4 b3 28.g5 hg5 29.Qg5 f6 30.Qg4–/+ Qe7 31.h6 g5 32.Kg2? Nf4–+ 33.Kg3 Rc3 34.Ne4 Bc6?? 35.Re1?? Rd3 36.Kh2 Be4 37.Re4 f5 38.Qg5 Qg5 39.Ng5 fe4 (39...fe4 40.Kh1 b2 41.h7 Kh8 42.Nf7 Kh7 43.Ng5 Kg6 44.d5 b1Q 45.Kh2 Qf1 46.Ne4 Qg2) 0–1. alaamattar (2190) – agostinhoarruda (2330), net–chess.com, 2006.

5.Be2 cb4 6.ab4 Bb4 7.0–0 0–0 8.c3 Bd6 9.Re1 Nc6 10.d4 Re8 11.Bd3 e5 12.de5 Be5 13.Bb2 Bg4 14.h3 Bf3 15.Qf3 Bc7 16.Nd2 Qd6 17.e4?? (17.Bf5–+) 17...Rad8 (17...Qh2 18.Kf1 Ne5 19.Qe3–+) 18.c4? (18.Nf1 Ne5 (18...Ne4?! 19.c4–/+) 19.Qe2 Nd3 20.Qd3 Ne4–+) 18...de4 (better is 18...Qh2 19.Kf1 Be5 20.cd5 Bb2 21.dc6 Ba1 22.Nb3–+) 19.Ne4 Ne4 (better is 19...Qh2 20.Kf1 Be5 21.Be5 Ne5 (21...Qe5?! 22.Nf6 Qf6 23.Qf6 Re1 24.Re1 gf6 25.Be4=; 21...Re5?! 22.Ng3–+) 22.Nf6 gf6 23.Qg3 Qg3 24.fg3 Rd3 25.Ra7 b6–+) 20.Be4–/+ Ne5 21.Qh5 Ng6 22.g3 b6 23.Ra7= Qd2 24.Rd1?? Qb2 25.Rd8?? Bd8–+ 26.Bg6 hg6 27.Qf3 Qc1 28.Kg2 Qc4 29.h4 Re1 30.Kh3 b5 31.g4 Qf1 32.Kh2 Qg1 33.Kh3 Qh1 34.Qh1 Rh1 35.Kg3 Bh4 36.Kg2 Rb1 37.Ra8 Kh7 38.Kh3 Bf2 39.Rb8 b4 40.Rb5 b3 41.Kg2 Bd4 0–1. pieeater – delightful_porridge, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.a3 c5 4.e3 Nf6)

5.bc5 Bc5

6.c4 0–0 7.Nc3 Nc6 8.Be2 (8.d4!? Be7 9.Qc2=) 8...dc4+= 9.Bc4 a6 10.d4 Ba7 11.a4 Qc7 12.Qe2 Na5 13.Nd2 e5 14.0–0? (better is 14.de5 Bg4 15.Qf1 Qe5 16.Bb2+=) 14...ed4–+ 15.ed4 Bd4 16.Bb2 Bg4 17.Qd3 Rad8 18.Nd5 Rd5 (worse is 18...Bb2 19.Nc7 Rd3 20.Bd3–+) 19.Bd5 Bb2 20.Rab1 Be5 (20...Qc3 21.Be4–+) 21.h3 Bh5 (21...Rd8!? 22.hg4 Rd5 23.Qe2–+) 22.Rfc1 Qd8 23.Be4 Bf4 24.Rc2 Ne4 25.Qd8 Rd8 26.Ne4 Bg6 27.f3 Be3 28.Kf1 f5 29.Re1 fe4 30.Re3 ef3 31.Rc7 fg2 32.Kg2 Re8 33.Rg3 Re4 34.Rf3 h6 35.Rc8 Re8 36.Re8 Be8 37.Rf4 g5 38.Rd4 Kf7 0–1. roy1nc6 (1900) – xenophon98 (1865), gameknot.com, 2013. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5 4.e3 c5)

6.Bd3 0–0 7.0–0 Nc6 8.Bb2 Re8 9.Nc3 Bd7 10.Be2 Rc8 11.d4 Be7 12.Ne5 Ne5 13.de5= Ne4 14.Ne4 de4 15.c4 b6 16.Qc2 Bc6 17.Rad1 Qc7 18.Rd2 Red8 19.Rd8 Qd8 20.Rd1 Qf8 21.a4 Qe8 22.Rb1 Bc5 23.Bc3 Ba4 24.Qe4 Bc6 25.Qc2 Kh8 26.Bd4= Be7 27.Bd3 Rc7 28.f4 h6 29.Qf2 Qc8 30.Ra1 Qb8 31.Rd1 Bb4 32.e4 Rd7 33.Bc2 Qd8–+ 34.Rd3? Be4 35.Bb6 ab6 36.Rd7 Qd7 37.Qb6 Bc2 38.h4 Qd2 39.Qf2 Qc1 40.Kh2 Be4 41.f5 Bc3 42.Qg1 Be5 (42...Be5 43.g3 Qc2 44.Kh3 Bf5 45.g4 Bg4 46.Kg4 Qf5#) 0–1. glc209_wb – TCB, computer chess game, 2000.

6.d4 Bb6 7.Nbd2 0–0 8.Bd3 Nc6 9.Bb2 Rb8 10.0–0 Re8 11.Rc1 e5 12.Ne5+/– Ne5 13.de5 Nd7 (13...Bg4+/–). Jaeger,Erich (2015) – Pieleck,Rudi (1770), RSM2008 remoteschach.de, 2008.

6.d4 Be7 7.c4 0–0 8.Nc3 b6 9.cd5 ed5 10.Bd3 Bb7 11.0–0 Nbd7 12.Ne5 Ne5 13.de5 Ne4 14.Bb2 Rc8 15.Ne2 Re8 16.Nf4 Bf8 17.Qg4+= Qg5 18.Qh3 g6 19.e6 f5 20.Bb5 Re7 21.Rad1 Rc2 22.Ba1 Nc3?? 23.Bc3?? Rc3= 24.Rd5?? Qf4!!–+ 25.Rd7 Qe5 26.Qh4 Qe6 27.Qd4 Qe4 (27...Qe4 28.Qe4 Be4 (28...Re4?! 29.Rb7 Ra3 30.Rc1–/+) 29.Re7 Be7–+; 27...Ra3?? 28.Bc4 Qf7 29.Bf7 Kf7 30.Rb7 Rb7 31.Qd5 Kf6 32.Qb7+–) 0–1. Elorta,D (2360) – Bagamasbad,E (2255), 1st Campomanes Memorial Cup Open, Manila, 2010.

6.Be2 0–0 7.0–0 Nc6 8.d4 Bd6 9.Nbd2 e5 10.Bb2 ed4 11.Nd4= Nd4 12.Bd4 Ne4 13.Ne4 de4 14.Qc1 Qc7 15.g3 Be5 16.Rd1 Bf5 17.Qb2 Bd4 18.Rd4 Rfd8 19.Rad1 Rd4 20.Qd4 h6 21.c4 Qe7 22.Qd5 Bg6 23.Bg4 Rf8 24.c5 Qg5 25.Qg5+/– hg5 26.Rd6 Re8 27.Rd5+/– f6 28.Kf1 Kf7 29.Ke1 Re7 30.Bd7 Re5 31.Re5+– fe5 32.Kd2 Ke7 33.Bc8 b6 34.cb6 ab6 35.Kc3 Kd6 36.Kb4 Kc6 37.Be6 Kd6 38.Bg8 Be8 39.Bh7 Bc6 40.a4 Ke6 41.a5 ba5 ½–½. Gurgenidze – Buslaev, Tbilisi, 1965.

6.d4 Bd6

7.c4 0–0 8.c5 Be7=+ 9.Bd3 b6 10.cb6 Qb6 11.0–0 Ba6 12.Nc3 Qa5 13.Ne2 Bd3 14.Qd3 Ne4 15.Nd2 Nd2 16.Bd2 Qa6 17.Nf4 Bd6 18.Bb4 Rd8 19.Bd6 Qd6 20.Rfc1 Nd7 21.h4 Rdc8 22.Rc8 Rc8 23.Rb1 Qc6 24.Qb5 Qb5 25.Rb5 Rb8 26.Rb8 ½–½. Malmstroem,Jan – Bennett,Hilton, email 4AMM–F, 1998.

7.c4 b6 8.cd5 ed5 9.Bb5 Bd7 10.Bd3 Nc6 11.Nbd2 0–0 12.Bb2 Ne7 13.Rc1 Bf5 14.Bf5 Nf5 15.Qc2 Qd7 16.0–0 Ng4 17.h3 (17.Qc6 Qe6=) 17...Rac8 18.Qd3 Nf6 19.Ne5 Qe6 20.g4 (20.Qa6 Bb8=) 20...Nh4+= 21.f4 Be5 (21...Rfe8 22.Rc8 Rc8 23.Kh2+=) 22.de5 Ng4 (22...Nd7 23.e4 de4 24.Ne4=) 23.f5 (23.hg4 Qg4 24.Kf2=) 23...Nf5= 24.Rf5 (24.hg4 Nh6=) 24...Ne3 (24...Rc1 25.Bc1 Ne5 26.Qf1+=) 25.Rh5 Qg6 26.Kf2?? (better is 26.Qg6 hg6 27.Rg5+=) 26…Qh5 (26...Qh5 27.Qe3 Rc1 28.Bc1 f6 29.ef6 Rf6 30.Ke1 Rf8 31.Qe6 Kh8–+) 0–1. Hristov,K (1800) – Mihov,Emil (1800), BUL CSKA Semifinal, Sofia BUL, 2010. (=1.Nf3 d5 2.b4 Nf6 3.a3 e6 4.e3 c5 5.bc5 Bc5 6.d4 Bd6)

7.c4 b6 8.cd5 Nd5 9.e4 Ne7 10.Bd3 0–0 11.e5 Bc7 12.Bh7! Kh7 13.Ng5 Kg6 14.h4 Qd5 15.h5 (15.h5 Kh6 16.Qc2+–) 1–0. Kuroro Lucifer – Whiterose, ChessWorld.net, 2005.

7.c4 dc4 8.Bc4 0–0 9.0–0 Bd7 10.Nbd2 Qc7 11.Qe2 Nc6 12.Bb2 a6 13.e4 Be7 14.Rac1 Qb6 15.Rc2 Na5 16.Ba2?? Ba4–/+ 17.Rfc1 Bc2 18.Rc2 Rac8 19.Rc8 Rc8 20.Nf1 Ne4! 21.Ng3? Ng3–+ 22.hg3 Bf6 23.d5 Qb2 (23...Qb2 24.Qb2 Bb2 25.de6 Rc1 26.Kh2 fe6 27.Be6 Kf8–+) 0–1. futsalboy (1660) – boss2384, kurnik, 2011.

7.Nbd2 0–0 8.Bd3 b6 (8...Nc6 9.Bb2=) 9.e4 de4 (9...Bb7 10.e5 Ne4 11.Bb2= (11.ed6? Nc3–+)) 10.Ne4+= Bb7 11.Nf6 gf6 12.Bh6 Re8 13.Bb5 Bc6? (better is 13...Re7+/–) 14.Ne5!+– (14.Ne5 Be4 15.Qe2+–) 1–0. glovio (2025) – wwgia (1710), gameknot.com, 2014.

7.Bd3 0–0 8.Nbd2 Nbd7 9.0–0 e5 10.de5 Ne5 11.Bb2 Nd3 12.cd3 Nd7 13.Qc2= Nc5 14.Nb3 b6 15.Nbd4 Ba6=+ 16.Rfd1 Qd7 17.a4 Rfc8 18.Bc3 Rc7 19.Ne2 Rac8 20.Nfd4 Be5 21.Nb5 Bb5 22.ab5 Bc3 23.Qc3 Qb5 24.Nd4 Qd7 25.Qb4 Ne6 26.Nf5 g6 27.Nd4 Nd4 28.Qd4 Rc5 29.Qb2 R8c6 30.Qe5 a5 31.Rab1 Qd6 32.Qd4 b5 33.Qa1 b4 34.d4 Rb5 35.Qa4 Qb8 36.h3 Rc3 37.Rb3 Rb3 38.Qb3 Qc7 39.Ra1? Qc4 40.Qb2 b3 41.Rc1 Qb4 42.Rc8 Kg7 43.f4 a4 44.f5 a3 45.Qf2 Qd6 46.f6 Qf6 47.Rg8 Kg8 48.Qf6 b2 49.Qe7 b1Q 50.Kh2 a2 51.Qe8 Kg7 52.Qe5 Kf8 53.Qh8 Ke7 54.Qe5 Kd7 55.Qf6 Qe4 56.Qa6 Rb2 57.Qa4 Ke6 58.Qe8 Kf5 59.Qd7 Kg5 (59...Kg5 60.Qd8 Kh6 61.Qf8 Kh5 62.Qh6 Kh6 63.Kg3 Rg2) 0–1. Frenzel,Lothar (2035) – Perez Fernandez,Jose Vicente (2425), Slovenia's, 2008.

7.Be2 0–0 8.0–0 Qc7 9.Bb2 Bd7 10.Nc3 Ne4 11.Nb1 Rc8 12.Bd3 Qb6 13.Qc1 Bb5 14.Bb5 Qb5 15.Nbd2 Nd2 16.Nd2 Qc6 17.c3 b5 18.Qd1 Qc7 19.Nf3 Qb7 20.a4 ba4 21.Ra2 Qb3 22.Qa1 Nc6 23.Ba3 Bc7 24.Rb1 Qc4 25.Bb2 a5 26.Ra4 Qb5 27.c4 dc4 28.Bc3 Qd5 29.Qa2 Nb4 30.Bb4 ab4 31.Rbb4 c3 32.Qc2 Bd6 33.Ra8 Ra8 34.Ra4 Rb8 35.Ra1 Qb3 36.Qb3 Rb3 37.Ne1 g6 38.Kf1 Kg7 39.e4 Bb8 40.Ra6 Rb4 41.Rc6 Rd4 42.Rc3 Re4 43.Nf3 Rb4 44.Rd3 Kf6 45.h4 Rc4 46.Rd7 Rc7 47.Rd4 Rc2 48.Rb4 Bd6 49.Rd4 Bc7 50.Rd7 Bb6 51.Nd2 h5 52.Ke2 Ba5 53.Ke3 Rc3 54.Ke2 Rc7 55.Ne4 Ke5 56.Rc7 Bc7 57.Nc3 Bd6 58.Kf3 Be7 59.Kg3 Kf5 60.Na4 Bb4 61.Nb6 Ke4 62.f3 Kd3 63.Nd7 Bd6 64.Kf2 Kd4 65.g3 e5 66.Nf6 Be7 67.Ng8 Bd8 68.Nh6 f5 69.Nf7 Bf6 70.Nd6 e4 71.fe4 fe4 72.Kg2 e3 73.Nb7 e2 74.Kf2 Kd3 75.Nc5 0–1. EXchess 3.11 (2220) – Doctor 3.0, 2002.

4.e3 Bd6

5.c4 0–0 6.Bb2 b6 7.cd5 ed5 8.Qc2 c5 9.Ng5 (9.bc5 bc5 10.Be2 Ba6 11.Ba6 Na6 12.0–0+=) 9...g6 10.Bd3 (10.bc5 bc5 11.f4 h6 12.Nf3 Bf5=) 10...c4 11.Be2 Bf5 12.Qd1 Nc6 13.0–0 Be5 (13...a5 14.b5 Ne5 15.Bd4 h6 16.Nf3=) 14.Be5 Ne5 15.f4 (15.Nc3 a5 16.Nb5 ab4 17.ab4 Qd7 18.Nd4 Nd3 19.Bd3 Bd3 unclear) 15...Nd3 16.Nf3 Re8 17.Nc3 h6?! (17...Qd7 18.Nd4 a6 19.Nf5 Qf5 20.g4 Qd7 21.Bd3 cd3=+) 18.Nd4 Qd7 19.Nf5 Qf5 20.Nb5 Red8 21.Rf3? a6 22.Nd4 Qe4 23.Rg3? Re8 24.f5 g5 25.Bf3 Qe5 26.Qc2?! a5–+ 27.b5 Qd6 28.a4 Ne5 29.Qd1 Kh7!? 30.h3 Rg8 31.Qc2 Nd3–+ 32.Ne2 h5 33.Qc3 h4 34.Rg4 Ng4 35.Bg4 Nc5 36.Bh5 Ra7! 37.Nd4 Ne4 38.Qc2 g4! 0–1. Pommerel – Mrkvicka, corr 1994–96 (Mrkvicka).

5.c4 dc4 6.Bc4 0–0 7.Nc3 a5 8.b5 Nbd7 9.d4 e5 10.0–0 e4 11.Ng5 Nb6 12.Be2 Re8 13.f3 ef3 14.Bf3 Qe7 15.Nge4 Ne4 16.Ne4 Be6 17.Nd6 cd6 18.d5 Bd7 19.Qd4 Qe5 20.Rb1 Qd4 21.ed4 Bf5 22.Rb3 Be4 23.Bf4 a4 24.Re3 Bf3 25.Ref3 Rad8 26.Bd2 Rd7 27.Rf5 g6 28.Rg5 Kg7 29.Rg3 Nd5 30.Rf5 Nb6 31.Rf2 Re4 32.Rd3 Nd5 33.Ba5 Rde7 34.Rf1 Nf4 35.Rd2 Ne2 36.Kh1 d5 37.Bb4 Re8 38.Bc5 f5 39.Rc2 Nd4 40.Bd4 Rd4 41.Rc7 Kh6 42.Rb7 Re3 43.b6 Ra3 44.Rd7 Rb3 45.b7 a3 46.Ra1 Rdb4 47.Rd5 Rb1 48.Rd1 a2 49.Kg1 Rd1 50.Rd1 Rb7 51.Kf2 0–1. COMP – COMP, 2002.

5.c4 dc4 6.Bc4 a6 7.d4 b5 8.Bd3 Bb7 9.Nc3 Nbd7 10.0–0 e5 11.e4 ed4 12.Nd4 c5 13.bc5 Bc5 14.Nf5= Ne5 15.Bc2 Qd1 16.Rd1= 0–0 17.Nd5 Nd5 18.ed5 Rac8 19.Bb3 Ng4 20.Ra2 Rfd8 21.Bg5 Rd7 22.h3 h6 23.Bh4 Nf6 24.Nh6! gh6 25.Bf6 Rd6 26.Be7 Rd7 27.d6 Bd6?? 28.Bd6+– Rc3 29.Bc2 Bc6 30.Bf5 Rd8 31.Rc2 (31.Rc2 Rc4 32.Rd3+–) 1–0. epiglotis (2000) – dbryant (1900), net–chess.com, 2001.

5.c4 dc4 6.Bc4 e5 7.Bb2 Qe7 8.h3 0–0 9.d3 Nbd7 10.Nc3 Nb6 11.Bb3 c6 12.b5 Bf5 13.bc6= bc6 14.e4 Be6 15.Bc2 Rfd8 16.0–0 Nfd7 17.Bc1 Nf8 18.a4 Ng6 19.a5 Nd7 20.Ng5 Nf4 21.Ne6 Ne6=+ 22.Ne2 Bc5 23.Kh1 Nf6 24.Ng3 Qc7 25.Bb3 Bd4 26.Ra2 Nf4 27.Bc4 Bc3 28.a6 Rab8 29.Nf5 Qd7 30.Bf4 ef4 31.Qf3 Qc7 32.Rc2 Be5 33.Rfc1 Bb2 34.Rg1 Be5 35.g3 fg3 36.d4 Bd4 37.Rg3 g6? 38.Nd4+– Rd4 39.Qf6 Rd1 40.Kg2 Rbb1 41.Rd3 (41.Rd3 Rd3 42.Bd3+–) 1–0. Ivanets,Vladimir (2265) – Maurer,Fritz (2120), ch–Euro Senior, Davos SUI, 2006.

5.c4 c6 6.d4 dc4 7.Bc4 0–0 8.Nc3 b5 9.Bd3 a5 10.ba5 Ra5 11.e4 Be7 12.0–0 b4 13.Na4 ba3 14.Ba3 Ba3 15.Ra3 Ba6 16.Qb3 Bd3 17.Qd3 Nbd7 18.Rfa1 Qa8 19.e5 Nd5 20.Ng5 g6 21.Nc5 Nc5?? 22.Qh3+– h5 23.Ra5 Qb7 24.Rc5 Qb2 25.Rd1 Nc3 26.Rc3 Qe2 27.Qf3 Qb2 28.Rc6 Ra8 29.Qf7 (29.Qf7 Kh8 30.Qh7) 1–0. usingprogram (2055) – ardi76 (1620), kurnik, 2011.

5.Be2 e5 6.Bb2 e4 7.Nd4 0–0 8.0–0 c6 9.c4 dc4 10.Bc4 Ng4 11.h3 Ne5 12.Qe2 Qc7 13.Nc3 Nc4 14.Qc4 Re8 15.b5 Bh2 16.Kh1 cb5 17.Qb5 Bd7 18.Qd5 Re5 19.Qb3 Re8?? 20.Ndb5+– Bb5 21.Nb5 Qd8 22.Kh2 Qd2 23.Rfd1 Qa5 24.Qd5 Nc6 25.Qg5 f6 26.Bf6 g6 27.Rd7 Ne7 28.Qh6 Kf7 29.Qg7 Ke6 30.Rd6 Kf5 31.Nd4# 1–0. GLChess210 – Holmes034, computer chess game, 2000.

5.h3 Nc6 6.Bb2 Qe7 7.Bb5 a6 8.Ba4 0–0 9.Ng5 (9.Bc6 bc6 10.Be5 c5+=) 9...g6 (9...b5 10.Bb3–/+) 10.g4 Ne4 (10...b5 11.Bb3+=) 11.Nf3 (11.Ne4!? de4 12.Nc3+=) 11...b5+= 12.Bb3 Re8 13.d3 Ng5 14.Nh4 Ne5 (14...a5+=) 15.d4?? (better is 15.f4 Ne4 16.g5 Bb4 17.ab4 Qb4 18.Nd2 Nd2 19.Qd2 Qd2 20.Kd2+–) 15...Nd7 (15...Nc4 16.Bc1–/+) 16.f4 Ne4 17.g5 (17.Nf3!?+=) 17...a5 18.c3 a4 19.Bc2 c6 (better is 19...Ng5!? 20.Ng2 Ne4–/+) 20.Be4= de4 21.Qc2 Bb7 22.Nd2 Nb6 (22...e5 23.de5 Be5 24.0–0–0+=) 23.0–0 (23.Ne4 Red8+/–) 23...Kg7 24.Qe4 c5 25.dc5?? (better is 25.Qc2 cb4 26.cb4+=) 25...Be4–+ 26.Ne4 Nc4 27.cd6 Nd6 28.Nf6?? Nc4–+ 29.Bc1? Red8 30.e4 Rd3 31.e5 Rc3 32.Ne4 Rh3 33.Ng2 Rd8 34.Nc5 Rd5 35.Re1 h6 36.Ne4 h5 37.Kf2 Qa7 38.Kf1 Rf3 39.Ke2 Rh3 40.Nf6?? Rd4 41.Ra2 Qb7 42.Bb2 Qf3 (42...Qg2) 0–1. Pekin Dragons – pieeater, ChessWorld.net, 2013. (=1.Nf3 d5 2.b4 e6 3.e3 Nf6 4.a3)

4.e3 Nbd7

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

5.Nc3 e5=+ 6.Be2 Bd6 7.0–0 0–0 8.Nb5 Be7 9.d4 e4=+ 10.Nd2 a5 11.ba5 c6–/+ 12.Nc3 Qa5 13.Bb2 Bd6 14.a4 Re8 15.Nb3 Qc7 16.h3 b6 17.Ba3 Ba3 18.Ra3 Ba6 19.Ba6 Qd6 20.Ra2 Ra6 21.Qd2 Rea8 22.Rfa1 Ne8 23.a5=+ b5 24.Ne2 Qg6 25.Nf4= Qh6 (26.Qe2 Nef6=+). Hohlstein,Walter – Schulz,Hans_Juergen, TSC, 2003.

5.c4 a5 6.b5 Nb6 7.cd5 ed5 8.Be2 Bd6 9.Bb2 0–0 10.Qc2 Re8 11.Bd4 Qe7 12.Nc3 Nbd7 13.Nh4 g6 14.Na4 Nf8 15.Bb2 Bg4 16.Nf3 N8d7 17.h3 Bf3 18.Bf3 Be5 19.0–0 Bb2 20.Nb2 Rec8 21.d4 Nb6 22.Na4 Na4 23.Qa4 c5 24.bc6 bc6 25.Rac1 c5 26.dc5 Rc5 27.Rc5 Qc5 28.Rb1 Kg7 29.g4 h6 30.Rb5 Qc1 31.Kg2 Qd2 32.Qd4 Qd4 33.ed4 Rc8 34.Ra5 Rc4 35.Bd5 Nd5 36.Rd5 Ra4 37.h4 Ra3 38.g5 hg5 39.hg5 ½–½. Dominguez,JM (2365) – Bruzon Batista,L (2615), Pan–American Teams, Mendes BRA, 2009.

5.c4 a5 6.cd5 ed5 7.b5 a4 8.d4 Bd6 9.Nc3 Nb6 10.Bd3 Qe7 11.h3 0–0 12.Bc2 Bd7 13.Nd2 Rfc8 14.0–0 c5 15.bc6 Rc6 16.Ne2 Rac8 17.Bd3 Ne4 18.Nb1 Qg5 19.f4 Qe7 20.Rf3 h5 21.Ra2 h4 22.Rc2 Rc2 23.Bc2 Bb5 24.Bd3 Bd3 25.Qd3 Nc4 26.Nbc3 Nb6 27.Nb5 Bb8 28.Bd2 Bd6 29.Nd6 Qd6 30.Bb4 Qc6 31.Rf1 Qc2 32.Qc2 Rc2 33.Re1 Nc4 34.Nc1 Ne3 35.Re3 Rc1 0–1. Aurel – Godena, Forli 1992.

5.d4 c6 6.c4 b6 7.Bb2 Bd6 8.Nbd2 0–0 9.Qc2 Re8 10.cd5+– cd5 11.Qc6 Qc7 12.Qa8 Bb7 13.Qa7 Ra8 14.Qa8 Ba8 15.Rc1 Qb8 16.Bb5 Bb7 17.0–0 Ng4? 18.Bd7 Bh2 19.Kh1 g6 20.b5 Bd6 21.Bc6 f6 22.Bb7 Qb7 23.Rc6 Qb8 24.Rfc1 Nf2 25.Kg1 Kf7 26.Kf2 f5 27.Ne5 Ke7 28.Ndf3 Qa7 29.a4! Qb8 30.Ng5 h6 31.Ngf7 Bb4 32.Rc7 Kf8 33.Nd7 Kf7 34.Nb8 (34.Nb8 Kf6 35.Nd7 Kg5 36.R1c6+–) 1–0. Baer,Werner (1900) – Munkwitz,Wolfgang (1615), TT–15.41 ETC, 2005.

5.d4 c6 6.c4 dc4 7.Bc4 Be7 8.0–0 0–0 9.Bb2 b6 10.Nbd2 Bb7 11.Qc2 Rc8 12.Rfd1 c5 13.dc5 bc5 14.b5 Nb6 15.Be2 Bd6 16.Ng5 Nbd5 17.Bf6?? Nf6+= 18.Nc4 Bd5 19.Nd6 Qd6 20.e4 Qe5 21.ed5 Qg5 22.de6 fe6 23.Bc4 Nd5 24.Qe4 Nf4 25.Be6+/– Ne6 26.Qe6 Kh8 27.Rac1 Qf4 28.Qe3 h6 29.Rd7 Qa4 30.Qe5 Rg8 31.Qb2 Rcd8+= 32.Re7 Rd1 33.Re1 Rc1 34.Rc1 Rd8 35.Rf1 Rd1 36.f3 Rf1 37.Kf1 Qd1 38.Kf2 c4 39.Qe5 (39.h3!?+=) ½–½. Kivimaeki,J – Vahtera,Antti, Finland, 1996.

4.e3 Be7

5.c4 0–0 6.c5 b6 7.d4 a5 8.Bb2 +=.

5.c4 0–0 6.c5 b6 7.d4 bc5 8.bc5= c6 9.Nc3 Qc7 10.Qc2 Nbd7 11.Be2 e5 12.Nh4 e4 13.Nf5 Re8 14.Bd2 Nf8 15.Ne7 Re7 16.Qa4 Bg4 17.Ba6 Ree8 18.Na2 Bc8 19.Ba5 Qd7 20.Be2 Rb8 21.Bc3 Qc7 22.Nb4 Re6 23.0–0 Ng4? (better is 23...N8d7+=) 24.Bg4+– Rh6 25.f4 (25.h3 a5 26.Nc6 Qc6 27.Qc6 Rc6 28.Bc8 Rbc8 29.Ba5 Nd7+–) 25...ef3 (25...Bg4 26.Na6 Qb7 27.Nb8 Qb8 28.Ra2+–) 26.Bf3 Qh2 27.Kf2 Qh4 28.Ke2 Qg5 29.Qa7 Rb5 30.Qc7 Re6 31.Bd2 Ba6 32.Kf2 Qf5 33.Kg1 Rb4 34.ab4 Qd3 1–0. Sebald,Ralph – Wundahl,Juergen, Dortmund op–B, 1999. (=1.Nf3 Nf6 2.b4 e6 3.a3 d5)

5.c4 0–0 6.c5 b6 7.d4 c6 8.Ne5 Nfd7 9.Nd3 bc5 10.bc5 e5 11.Be2 (11.Bb2 Ba6+=) 11...Bf6–/+ 12.Bb2 e4 13.Nb4 a5 14.Nc2 Nc5 15.0–0 (15.dc5 Bb2 Pinning (15...Bb2 Deflection)) 15...Ba6 16.Ne1 Na4! 17.Bc1 (17.Qa4 Be2 Deflection) 17...Be2 18.Qe2 c5 19.Ra2 (19.Nc2 Qb6–+) 19...c4 (better is 19...cd4!? 20.ed4 Qb6 21.Qc2 Qd4 22.Be3–+) 20.Qc2 Qd7 21.f3 ef3 22.Rf3 Na6 23.Rh3 g6 24.Qf2 Qe6 25.e4 (25.Rf3!? Bg7 26.Qc2–+) 25...Qe4 26.Re2?? (26.Nc2 Bg7 27.Nd2–+) 26...Bd4 (26...Qb1!? 27.Qf6 Qc1 28.Re5–+) 27.Be3 Be3 (27...Qb1 28.Bd4 f6 29.Re7+=) 28.Ree3 (28.Qe3 Qe3 29.Rhe3–+) 28...Qb1 29.Rh7 (29.Qh4 h5 30.g4 Rae8 31.gh5 Re3 32.Re3 Qb6–+) 29...Qb6 (better is 29...Kh7 30.Qh4 Kg7 31.Qd4 Kg8 32.Qd5–+) 30.Reh3 (30.Rhh3 Rae8–+) 30...Qf2 31.Kf2 N6c5 32.Nf3 Ne4 33.Kg1 Rae8 0–1. Gamez Cobo,F (1705) – Jimenez Bernal,Francisco (2090), Jaen–ch Linares, 1997. (=1.Nf3 Nf6 2.b4 d5 3.e3 e6 4.a3)

5.c4 c5 6.bc5= Bc5 7.d4 Be7 8.Nc3 dc4 9.Qa4 Bd7 10.Qc4 Nc6 11.Qd3 (11.Bd2 Rc8 12.Qa2 0–0+=) 11...0–0 12.g3 (12.Be2 h6=) 12...Rc8 (12...Qa5 13.Bb2 e5 14.de5 Ne5 15.Ne5 Qe5 16.Bg2+=) 13.Bd2 Na5 14.Bg2 Nc4 15.Bc1 (better is 15.0–0!?+=) 15...Qa5–/+ 16.0–0 Ne3! 17.fe3 (17.Be3 Rc3 Discovered attack; 17.Qe3 Nd5 Double attack (17...Rc3 Discovered attack; 17...Nd5 Decoy); 17.fe3 Rc3 Discovered attack) 17...Qc3 (17...Rc3!? 18.Qb1 Bb5–+) 18.Qb1 Qc2 19.Rf2 (19.Qb7 Rb8 20.Qa6–+) 19...Qb1–+ 20.Rb1 Ne4 21.Rfb2 Nc3 (21...Ba3!? 22.Ne5 Bb2 23.Bb2–+) 22.Ra1–/+ b6 23.Ne5 Ba4 24.Bd2 Nd5 25.e4? (better is 25.Bf3!?–/+) 25...Nc3–+ 26.Bf3 Rfd8 27.Be3 f6 28.Nd3 Nb5 29.d5 ed5 30.ed5 Rc3 31.Be4?? Nd6 32.Bd4 Ne4 33.Bc3 Nc3 34.Nb4 Nd5 35.Nd5 Rd5 36.Re2 Kf7 37.Re4 Bc5 38.Kf1 Bb5 39.Ke1 Re5 40.Re5 fe5 41.a4 Bc6 42.Ke2 Ke6 43.a5 e4 44.ab6 Bb6 45.Rb1 Ke5 46.Rb4 Kd5 47.h3 g5 48.h4 gh4 49.gh4 0–1. Semenov,Mikhail – Doronina,Elena, Vladivostok op, 2008. (=1.Nf3 Nf6 2.b4 d5 3.e3 e6 4.a3)

5.c4 Nbd7 6.d4 0–0 7.Bb2 c6 8.Nc3 a5 9.b5 c5 10.Rc1 b6 11.cd5 ed5 12.dc5 Nc5 13.Nd4 Bb7 14.Be2 Qd7 15.Na4 Na4 16.Qa4 Bc5 17.0–0 Rfc8 18.Nf3 Ne4 19.Rfd1 Qe7 20.Bd4 Ba3=+ 21.Rc2 Bc5 22.Rdc1 Bd4 23.Qd4 Nc5 24.Nd2 a4 25.Kf1 Re8 26.Bf3 Qd7 27.Rb1 Ra5 28.e4? Rb5 29.Rcb2 Rb2 30.Rb2 Ba6 (30...Ba6 31.Kg1 Qc6–+) 0–1. Champion,William R – Rozanski,Boleslaw, corr Poland–USA, 1987.

5.Be2 a5 6.b5 Nbd7 7.a4 0–0 8.0–0 e5 9.d4 e4 10.Nfd2 c5 11.c4 cd4 12.ed4 dc4 13.Nc4 Nb6 14.Bb2 Nc4 15.Bc4= Bf5 16.Re1 Bb4 17.Bc3 Qd6 18.Qb3 Bc3 19.Qc3 Ng4 20.g3 Rad8 21.d5 Qh6–/+ 22.h4 Rfe8 23.Re3? Ne3–+ 24.Qe3 Qf6 25.Nc3?? Rc8 0–1. s0g – marekt, internet, 2008.

4.g4 Ng4

5.Bb2 A) 5...Nf6 6.e3 (6.Rg1 Rg8 7.e3 a5 8.ba5 Nbd7 9.Ne5–/+; 6.Bg2 c5 7.b5 a6 8.ba6 Ra6 9.0–0–/+) 6...a5 7.b5 Bd6 8.Rg1 0–0 9.Ne5–/+; B) 5...f6 6.d4 (6.h3 Nh6 7.Rg1 e5 8.Nc3 Be6 9.e3–/+; 6.Nc3 e5 7.h3 Nh6 8.Rg1 Be6 9.Bg2–/+) 6...a5 7.b5 Nh6 8.Nc3 Be7 9.Rg1–/+; C) 5...c5 6.Rg1 (6.e3 Nf6 7.Rg1 Rg8 8.bc5 Bc5 9.c4–/+; 6.bc5 Bc5 7.e3 0–0 8.Rg1 f5 9.Ne5–/+) 6...h5 7.bc5 Bc5 8.e3 Rg8 9.Ne5+=; D) 5...Rg8 6.e3 (6.Rg1 Nf6 7.Bg2 Nbd7 8.d3 c5 9.bc5–/+; 6.Bg2 c5 7.e3 cb4 8.ab4 Bd7 9.c3–/+) 6...Nf6 7.Rg1 a5 8.ba5 Nbd7 9.Ne5–/+.

5.Nc3 A) 5...a5 6.Bb2 (6.b5 d4 7.Nb1 Qd6 8.c3 e5 9.Bg2–/+; 6.ba5 d4 7.Ne4 e5 8.e3 Qd5 9.Ng3–/+) 6...Nc6 7.Rg1 Nce5 8.Nb5 Nc4 9.Bc3–/+; B) 5...Nf6 6.Bg2 (6.Rg1 Rg8 7.Bb2 Nbd7 8.e3 e5 9.Rg2–/+; 6.Bb2 Nbd7 7.Rg1 e5 8.Bh3 c6 9.e4–/+) 6...a5 7.b5 Bd6 8.d4 Nbd7 9.0–0–/+; C) 5...Nd7 6.Rg1 (6.e4 a5 7.b5 de4 8.Ne4 Ndf6 9.Nf6–/+; 6.d4 Ngf6 7.Bf4 c6 8.e3 Nh5 9.Bg5–/+) 6...Nde5 7.Ne5 Ne5 8.d4 Ng6 9.h3–/+; D) 5...d4 6.Ne4 (6.Na2 Nc6 7.Bg2 Nce5 8.Ne5 Ne5 9.d3–/+; 6.Nb1 Nc6 7.Bg2 Nce5 8.Ne5 Ne5 9.d3–/+) 6...e5 7.e3 Qd5 8.d3 f5 9.Ng3–/+.

5.d4 Bd6 (5...Nf6 6.Bf4 (6.Rg1 Bd7 7.Bf4 a5 8.ba5 c5 9.e3–/+; 6.Nbd2 c6 7.c4 a5 8.Rb1 ab4 9.ab4–/+) 6...Nh5 7.Bg3 Ng3 8.hg3 a5 9.b5–/+; 5...Bd7 6.e3 (6.Rg1 Nf6 7.Bf4 a5 8.ba5 c5 9.dc5–/+; 6.Bf4 a5 7.Rg1 Nf6 8.ba5 c5 9.dc5–/+) 6...Nf6 7.Rg1 a5 8.b5 c6 9.bc6–/+; 5...a5 6.b5 (6.Rg1 Nf6 7.b5 Bd7 8.e3 c6 9.Nc3–/+; 6.ba5 Nf6 7.Rg1 Ra5 8.Nbd2 Nc6 9.c4–/+) 6...Bd6 7.c4 dc4 8.e4 h5 9.h3=) 6.Nc3 (6.Rg1 Nh2 7.Nh2 Bh2 8.Rg7 h6 (8...Qf6+= 9.Rg2–/+) 9.Nc3–/+; 6.Nbd2 a5 7.b5 c5 8.e4 cd4 9.ed5–/+; 6.Bg5 Nf6 7.Nbd2 a5 8.Bf6 Qf6 9.e4–/+) 6...0–0 (6...a5 7.b5–/+ Nf6 8.Rg1 Rg8 9.Bg5–/+) 7.Rg1 Nf6 (7...f5 8.h3 Nh2 9.Nh2–/+) 8.Qd2 (8.Bh6 Ne8 9.e4+=) 8...b6 (8...a5 9.Qg5 g6 10.b5+=) 9.Qh6 Kh8?? (better is 9...Ne8+=) 10.Qg7# 1–0. bicycle – khani9, ChessWorld.net, 2007.

5.Rg1 A) 5...h5 6.d4 (6.Bb2 Rg8 7.Nc3 a5 8.ba5 Ra5 9.e4–/+; 6.h3 Nf6 7.d4 a5 8.b5 Bd7 9.e3–/+) 6...Qd6 7.h3 Nh2 8.Nh2 Qh2 9.Rg5–/+; B) 5...Nh6 6.d3 (6.Bb2 f6 7.Bh3 Rg8 8.Bg2 g5 9.h3–/+; 6.d4 Nf5 7.Bf4 a5 8.b5 f6 9.h4+=) 6...Nf5 7.e4 Nh4 8.Nbd2 Nf3 9.Nf3+=; C) 5...Nf6 6.d4 (6.e3 Nbd7 7.Bb2 a5 8.b5 Rg8 9.c4–/+; 6.Bb2 a5 7.b5 Rg8 8.e3 Nbd7 9.c4–/+) 6...Bd7 7.Nbd2 a5 8.ba5 Ra5 9.e3–/+.

5.h3 Nf6 6.d4 (6.Rg1 Nbd7 7.d4 c6 8.Bd2 Rg8 9.e3–/+; 6.Bb2 Bd6 7.Nc3 Bd7 8.Rg1 Rg8 9.e3–/+) 6...a5 7.b5 Bd6 8.Rg1 Rg8 9.c4 –/+.

3.Nf3 Be7

4.Bb2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 Be7 4.Nf3).

4.c4 a5 5.b5 0–0 6.d4 d5 (6...h6 7.Nc3 d5 8.Qd3 dc4 9.Qc4 Nbd7 10.Bf4 Bd6 11.Bd6 cd6; 6...Re8 7.Nc3 d5 8.Qd3 dc4 9.Qc4 Nbd7 10.Bf4 Bd6 11.Bd6 cd6) 7.e3 (7.Nc3 Nbd7 8.cd5 Nd5 9.Nd5 ed5 10.Bf4 Nf6 11.Qc2 Bd6) 7...Bd7 (7...Nbd7 8.cd5 (8.Nbd2 c6 9.Bd3 dc4 10.Bc4 Nb6 11.bc6 Nc4) 8...ed5 9.Bd3= (9.Nc3 Nb6 10.Bd3 Qd6 11.0–0 Be6) 9...Ne4 10.0–0 Bf6 11.Be4 de4; 7...c5 8.Nc3 Nbd7 9.cd5 Nd5 10.Bb2 N7f6 11.Nd5 ed5) 8.Nc3 Ne4 (8...c6 9.bc6 (9.Bb2 dc4 10.Bc4 cb5 11.Nb5 Qb6) 9...Bc6 (9...Nc6 10.Bd2 Qc7 11.Rc1 Ne4) 10.cd5 (10.Ne5 Qc7 11.c5 Be8) 10...Nd5 11.Nd5 Qd5 12.Bd3=) 9.Bb2 (9.Ne4 de4 10.Nd2 f5= 11.Be2 Be8) 9...Nc3= (9...c6 10.cd5 ed5 11.Bd3 Nc3) 10.Bc3 c6 (10...dc4 11.Bc4 c6 12.Qb1=; 10...g6 11.cd5 ed5) 11.a4 (11.cd5 ed5 12.bc6 Nc6=) 11...cb5 (11...Qc7 12.Qb3=; 11...Bb4+=) 12.ab5 dc4 13.Bc4 Qc7 14.Qb3 Rc8 15.Nd2 Na6? (better is 15...Bd6!?=) 16.ba6+/– b5 17.Bb5 (17.Ba5!? Ra6 18.Bc7 Ra1 19.Nb1 Rc7 20.Qb2 Rc4 21.Qa1 Rc1 22.Ke2 Rh1 23.Qa7 Rb1 24.Qd7+/–) 17...Bb5= 18.Qb5 Qc3 19.Ke2 (19.Qa5? Qa5 20.Ra5 Rc1 21.Ke2 Rh1–+) 19...Bb4 20.Ne4 Qc2 21.Kf3 f5 22.Ng3 g5 (22...Qc4 23.Qd7 Rd8 24.Rhc1 Qa6 25.Qc6+=) 23.h3 Rcb8 (23...Qc4 24.Qc4 Rc4 25.Rac1 Rc1 26.Rc1 Ra6 27.e4=) 24.Qd7 (better is 24.Qe5 Qc6 25.d5 Qd5 26.Qd5 ed5 27.Nf5 Ra6 28.Rhd1=) 24...Re8 25.Rac1+/– Qd3 26.a7 Rad8 27.Qb7 Rf8+/– 28.Nh5 Rf7 29.Qb6 Qe4 30.Ke2 Rdf8 31.f3 Qd5 32.Rc2 f4 33.Rhc1+– Qb3?? 34.ef4 gf4 35.Rc8 Qe3 36.Kf1 Bd2 37.a8Q Bc1 38.Rf8 Rf8 39.Nf6 Kg7 40.Qc7 Rf7 41.Qg8 Kh6 42.Ng4 Kh5 43.Qcf7 Kh4 44.Ne3 Be3 45.Qfh7# 1–0. pierre – gnu, internet, 2011.

4.c4 b6 5.e3 c5 6.b5 Bb7 7.d3 0–0 8.Bb2 d5 9.Nbd2 Nbd7 10.Be2 Qb8 11.0–0 Ne8 (11...a6 12.ba6 Ra6 13.Rb1=) 12.a4 (12.Qc2 Nd6=) 12...a5 13.Rc1 (13.Qc2 Nef6=) 13...Nd6 (13...Nef6 14.Qc2=) 14.Ne5 (14.cd5 Bd5 15.Qc2 Qd8+=) 14...Ne5= 15.Be5 f6 16.Bg3 e5 17.d4 (17.cd5 Bd5 18.Bg4 Qd8+=) 17...Nf5 (17...cd4 18.ed4 Nf5 19.Nb3=) 18.cd5 (18.Bg4 Ng3 19.fg3 Rd8 20.cd5 cd4 21.Be6 Kh8+=) 18...cd4 19.e4 (19.Bc4 Ba3 20.Ra1 Bc5=) 19...Ng3 20.hg3 (20.fg3 f5+=) 20...f5+= 21.ef5 (21.Bd3 Bg5+=) 21...Bg5 (21...Bd5!? 22.Bf3 Qd6+=) 22.f4= ef4 23.Ne4 (23.Nf3 Rf5 24.Ng5 Rg5 25.gf4 Rf5 26.Qd4 Qd6+/–) 23...Bh6 (23...Rf5 A) 24.Qd4?! A1) worse is 24...Bd5 25.gf4 (25.Ng5?! Rg5 26.Bc4 Qb7=) 25...Bf4 26.Ng3 Bg3 27.Rf5+–; A2) 24...Rd5?? 25.Bc4 (25.Qb6?! f3 26.Ng5 Rg5 27.Bf3 Bf3 28.Qb8 Rb8 29.Rf3 Rg4+/–) 25...Qd8 26.gf4+–; A3) 24...Qe5 25.Qe5 Re5=; B) 24.Bg4 Qe5 25.Bf5 Qf5 26.Qd4 Bd5 27.Rc7+–) 24.Qd4 f3 (24...Rf5 25.Bg4 (25.Qb6?! Bd5 26.Qb8 Rb8+/–) 25...Rf8 26.Be6 Kh8 27.g4+– (27.Qb6?! Qe5+/–)) 25.Bf3 (25.Rf3 A deflection 25...Bc1) 25...Bc1 26.Rc1 Rf5 Attacking the isolated pawn on d5 27.Qb6 Bd5 28.Nf6 (28.Qb8!? Rb8 29.Nd6+=) 28...Rf6= (worse is 28...gf6 29.Bd5 Rd5 30.Qe6 Kg7 31.Qd5+–) 29.Bd5 Kh8 30.Qc5 (30.Qb8 Rb8 31.Rc7 Rd6+=) 30...Rf5 31.Qc6 Rd5 (better is 31...Rf8!? 32.Qc7 Qc7 33.Rc7 Rfc8 34.Rc8 Rc8+=) 32.Qd5+/– Qb6 33.Qc5 Qe6 34.b6 Re8 35.b7 Qb3 36.Qh5 g6 (36...Qa4 37.Rc8 Qd4 38.Kh2 g6 39.Re8 Kg7 40.Rg8 Kg8 41.b8Q Kf7 42.Qc7 Ke6 43.Qe2 Kf5 44.Qf3 Kg5 45.Qc1 Qe3 46.Qce3) 37.Qf3 Qb6 (37...Qe6+–) 38.Kh2 g5 (38...Qe6+–) 39.Qc6 Qe3 40.Qe8!! (40.Qe8 Qe8 41.Rc8+–) 1–0. Gurgenidze,Bukhuti – Kalatozashvili, Soviet Union, 1973.

4.c4 c5 5.bc5 Bc5 6.e3 d5 7.d4 Be7 8.Nbd2 0–0 9.Bd3 b6 10.Ne5 Bb7 11.0–0 Nbd7 12.f4 Rc8 13.Bb2 dc4 14.Bc4 Nd5 15.Rf3 Ne5 16.fe5 Bg5 17.Qe2 g6 18.Rc1 b5 19.Bb5 Rc1 20.Bc1 Nc3 21.Qd3 Nb5 22.Qb5 Bf3 23.Nf3 Be7 24.e4 Qc7 25.Bh6 Rb8 26.Qa4 Qb6 27.h3 Qb1 28.Kh2 Qe4 29.Qd7 Qb7 30.Qb7 (better is 30.Qa4!?–+) 30...Rb7 31.Kg3 Ba3 32.Be3 Rb3 33.Kf4 Rc3 34.h4 h5 35.Ng5 Bf8 36.Ke4 Bh6 37.Bf4 Bg5 38.hg5 Kf8 39.g3 Ke8 40.Be3 Kd7 41.Kf3 (41.Bf2–+) 41...Kc6 42.Ke2 Kd5 43.Kd2 Ra3 0–1. Cubok,Zdenek (1915) – Helis,Tadeusz (2340), Karvina op, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 Be7)

4.c4 d5 5.e3 0–0 6.d4 a5 7.b5 c5 8.Bb2 Nbd7 9.Nbd2 cd4 10.Bd4 Re8 11.Be2 b6 12.0–0 Bb7 13.Ne5 Ne5 14.Be5 Nd7 15.Bb2 Bf6 16.Bf6 Qf6 17.cd5 ed5 18.Nf3 Rac8 19.Qd4 Qd4 20.Nd4 g6 21.Rac1 ½–½. Cubok,Zdenek (1915) – Grzenia,Jerzy (2090), Karvina op, 2006. (=1.Nf3 Nf6 2.b4 e6 3.a3 Be7)

4.d4 (--> 1.b4 Nf6 2.d4 e6 3.a3 Be7 4.Nf3).

4.e3 0–0 5.c4 b6 6.Bd3 Bb7 7.0–0 d5 8.Nc3 c5 9.Ne5 (better is 9.bc5!? Bc5 10.Bb2=) 9...cb4–/+ 10.ab4 Bb4 11.Bb2 Nbd7 12.Nd7 Qd7 13.h3? (better is 13.Qb3 a5 14.Ba3–/+) 13...dc4–+ 14.Bc4 Qc6 15.Qe2?? (15.Qf3 Qf3 16.gf3 Bf3 17.Ba6–+) 15…Qg2 0–1. Kissick,Philip H. E – Richardson,Ryan, WS/O/096 ICCF, 2006.

4.e3 0–0 5.c4 d5 6.Bb2 Nbd7 7.d4 Ne4 8.Nbd2 f5 9.Be2 c6 10.0–0 Bd6 11.Ne5 Ndf6 12.f3 Nd2 13.Qd2 Bd7 14.Qe1 Be8 15.Bd3 Nd7 16.e4 de4 17.Nd7 Qd7 18.fe4 Bg6 19.e5 Bc7 20.Rd1 Rad8 21.Be2 b5 22.Bf3 Bb6 23.Kh1 Bf7 24.Rf2 Rfe8 25.Rc2 Rc8 26.Qh4 Bd8 27.Qf2 Be7 28.g3 Rc7 29.h4 g6 30.Qg2 Rec8 31.Qf1 a6 32.Bc1 Kg7 33.Rd3 Kg8 34.Be3 Bd8 35.Rdc3 Kg7 36.Qc1 Be8 37.Bh6 Kg8 38.Qd1 Bf7 39.Rh2 Be7 40.Rd2 Rd8 41.Be3 Kg7 42.cb5 cb5 43.Rc7 Qc7 44.Rc2 Qb8 45.Qc1 Be8 46.Rc7 Bd7 47.Rb7 1–0. Santasiere – Fink, New York 1946.

4.e3 0–0 5.Be2 b6 6.0–0 c5 7.b5 a6 8.c4 ab5 9.cb5 d5 10.Bb2 Nbd7 11.d4 c4 12.Nfd2 Qc7 13.f4 Bd6 14.Nc3 Bb7 15.Qe1 Ra5 16.Bf3 Rfa8 17.Ndb1 Ne4 18.Be4 de4 19.Ra2 Nf6 20.Bc1 Qe7 21.Qh4 Ba3?? (better is 21...Nd5 22.Qf2 Nc3 23.Nc3 Bd5–/+) 22.Ba3+= Ra3 23.Ra3 Ra3 24.Na3 Qa3 25.Qe1 Nd5 26.Nd5 (worse is 26.Ne4 A) worse is 26...Ne3 27.Rf3 Ng2 28.Nf6 (worse is 28.Kg2 Qa8 29.Ng5 h6–/+) 28...Kf8 29.Nh7 Ke8 30.Qe6 fe6 31.Ra3+=; B) 26...Qe3 27.Qe3 Ne3+=) 26...Bd5 27.Qc1 (27.f5 ef5 28.Rf5 Be6+=) 27...Qb3= 28.Rf2 Qd3 29.Rc2 Qb3 30.Rb2 Qa3 31.Rb1 Qa5 32.Kf2 h6 33.Qc2 Qa3 34.Qb2 Qe7 35.Kg1 Qc7 36.Rc1 Qd7 37.Qb4 Qa7 38.Qb2 Qd7 39.Rc3 Qe7 40.Ra3 g5 41.fg5 hg5 42.Ra6 Qc7 43.Qc3 Kg7 44.Ra1 f5 45.g3 Kg6 46.Ra2 Qd7 47.Qb4 c3 48.Rc2 f4 49.gf4 gf4 50.Rg2 Kf6?? 51.Qc3 f3 52.Rg3 Kf5? 53.Qb2 Qc7 54.Kf2 Qc4 55.h4 Qd3 56.h5 Bc4 57.Rg1 Bb5? 58.h6 Qc4 59.h7 Qc8 60.Rg8 (60.Rg8 Qc4 61.Kg1+–; 60.Qb5 Kf6 61.Qe5 Kf7 62.Rg7 Kf8 63.h8Q#) 1–0. Conlon,R – Brooks,Brandon, Flint–ch MI class–B, 1992.

4.e3 0–0 5.Be2 b6 6.c4 Bb7 7.0–0 d5 8.cd5 ed5 9.Nc3 c6 10.Bb2 Nbd7 11.d4 Re8 12.Ne5 Bd6 13.f4 Qc7 (worse is 13...Be5 14.fe5 Qe7 15.Qd3+–) 14.Rc1 Qd8 (14...Ne5? 15.de5 (15.fe5?! Be5 16.de5 Qe5+/–) 15...Qe7 16.Qc2+–) 15.Bf3 Rc8 (15...Be5? 16.fe5 Qe7 17.Qe2+–) 16.Qb3 a6 (16...Be5? 17.fe5 Qe7 18.Rf2+– (worse is 18.ef6 Qe3 19.Kh1 Nf6+/–)) 17.e4 de4?? (better is 17...Bc7+=) 18.Nf7+– (18.Qf7?! Kh8 19.Ne4 Bc7+–) 18...Qe7 19.Nd6 Kh8 (19...Qe6 20.Bd1 Kf8 21.Qe6 Re6 22.Nb7+–) 20.Nc8 (20.Nb7?! ef3 21.Rf3 Rc7+–) 20...Rc8 21.Ne4! Ne4 22.Rfe1 Ndf6 23.d5! cd5 (23...cd5 24.Rc8 Pinning; 23...Nd5 24.Re4 Deflection) 24.Rc8 Bc8 25.Bf6 Qf6 (25...gf6 26.Qd5 f5 27.Be4 fe4 28.Re4+–) 26.Qd5 Qf8 (26...Be6 27.Qe4 Bg8 28.Qe5+–) 27.Re4 (27.Re4 h6 28.Bh5+–) 1–0. Wilk,Zdenek (1650) – Vontina,Maria, OP–2012–0–02183, 2012.

4.e3 d5 5.c4 dc4 6.Bc4 Nbd7 7.Bb2 0–0 8.d4 b6 9.Nbd2 Bb7 10.Qb3 Bd5 11.0–0 a5 12.b5 Rc8 13.Bd5 ed5 14.Rac1 Re8 15.e4 Ne4 16.Qd5 Nd2 17.Nd2 Nf6 18.Qd8 Red8 19.Rc6 Nd5 20.Nf3 h6 21.g3 Bd6 22.Rfc1 Re8 23.R6c2 Re6 24.Ne5 Rce8 25.Kf1 f6 26.Nc4 Bf8 27.Kg2 Re2 28.Re2 Re2 29.Kf3 Re6 30.Ne3 Ne3 31.fe3 Bd6 32.e4 Re7 33.a4 Kf7 34.e5 fe5 35.de5 Bc5 36.Rd1 Ke6 37.Ke4 Rf7 38.Rd2 Rf1 39.Re2 ½–½. Bernardt,Rainer Georg (1805) – Grabitz,Georg (1630), Wuerttemberg–ch Seniors, 2003. (=1.Nf3 Nf6 2.b4 e6 3.a3 Be7)

4.g3 d5 5.Bg2 a5 6.b5 c6 7.a4 0–0 8.0–0 cb5 9.ab5 Qc7 10.Bb2 Nbd7 11.d4 Nb6 12.Na3 Bd7 13.Ne5 Na4 14.Qb1 Nc3 15.Qe1 Nb5 16.Nd7 Qd7 17.Nb1 Qc7 18.Qd2 Nd6 19.Na3 b5 20.c3 b4! 21.cb4 ab4 22.Qb4 Nde4 23.Nb5? (better is 23.Qe1–/+) 23...Qb7 (23...Bb4?! 24.Nc7 Ra5 25.Na6 Ra1 26.Ra1=) 24.Qb3 Nd2 25.Qd3 Nf1 26.Bf1 Ra1 27.Ba1 Rc8 28.Bb2 Rc4 29.Ba3 Ba3 30.Na3 Rc1 31.f3 (31.Nb5 Qc6–+) 31...g6 32.Kf2?? Qb4 33.Nc2 Qb2 34.Ne3 h5 35.Nd1 Qa1 36.Ke1 Kg7 37.e3 Ne8 38.Be2 Nd6 39.Kf2 Nc4 40.Qb3? Qa5 41.Qd3 h4! 42.gh4 Qd8 43.Kg3 Qd6 44.f4 Qb4 45.Kf2? Nd2 46.Kg2 Ne4 47.h5 Qe1 48.hg6? fg6 49.Bf3? Nc3 50.Qa6 Nd1 51.Bd1 Qd1 52.Qe6 Rc2 53.Kg3 Qg1 54.Kf3 Qg2 0–1. Seleznev,Yury (1700) – Babici,Roman (2225), Centrocoop op, 1997. (=1.Nf3 Nf6 2.b4 e6 3.a3 Be7)

4.c4 0–0

5.d4 a5 6.b5 c5 =.

5.e3 a5 6.b5 d5 7.Bb2 c5 (7...c6 8.Nc3=) 8.Qc2 (8.d4 Nbd7=) 8...b6 9.d3 dc4 (9...Nbd7 10.Be2=) 10.dc4 Bb7 11.Nbd2 (11.Bd3 Bf3 12.gf3 Ra7+=) 11...Nbd7 12.Bd3 Qc7 13.Rg1 (13.0–0 Rfd8=) 13...Bd6 (13...Rfd8 14.g4 Nf8 15.0–0–0=) 14.0–0–0 (14.g4 A) worse is 14...Bh2 15.Rh1+/– (15.Nh2?! Qh2 16.0–0–0 Rfd8+=); B) 14...Ne5 15.Be5 Be5+=) 14...Ne5 (14...h6 15.g4=) 15.Be5+= Be5 16.g4 h6 (16...Kh8 17.g5 Ne8 18.Be4=) 17.h4 (17.g5 hg5 18.Rg5 Bh2+–) 17...Bh2 (17...Nd7 18.g5 h5 19.Ne5 Qe5 20.Be2+=) 18.Rg2 (18.Nh2 Qh2 19.g5 hg5 20.hg5 Nd7+/–) 18...Bd6 (18...Be5!?+/–) 19.g5+– Ne8 (better is 19...hg5!? 20.hg5 Nd7+–) 20.gh6 f5 21.Rdg1 Rf7 22.h5 Kh8 (22...Qe7 23.hg7 Qf6 24.Kb1+–) 23.Qc3 e5 24.hg7 Ng7 25.Rg6 Raf8 (25...Re8 26.Ng5 Rff8 27.Rh6 Kg8 28.Rh7+–) 26.Rh6 (26.h6 Ne8 27.Ng5 Rf6+–) 26...Kg8 27.Nh4 Rd8 28.Ng6 Rf6 29.f4 Re8 30.e4 Kf7 31.ef5 Bf8 32.Ne4 Rg6 33.hg6 Ke7 34.f6 Kd8 35.Rh8 Be4 36.Be4 Bd6 37.fg7 Qg7 38.Qd2 Rh8 39.Qd6 Kc8 40.Qc6 (40.Qc6 Kb8 41.Qa8 Kc7 42.Qb7 Kd6 43.Rd1 Ke6 44.Qc6 Ke7 45.Rd7 Ke8 46.Qc8#) 1–0. Taulien,Hans_Juergen – Brueske,Thomas, remoteschach.de, 2003.

5.e3 a5 6.b5 d5 7.d4 Nbd7 8.Nbd2 Ne4 9.Bd3= Nd2 (9...f5 10.Bb2= Ndf6 11.0–0 Bd7 12.Ne5 dc4 13.Bc4 Nd6 14.a4 Nd5) 10.Bd2+= (worse is 10.Kd2 dc4 11.Bc4 e5–/+ 12.Qc2 ed4 13.Nd4 Ne5 14.Bb2 Nc4) 10...dc4 (10...Nb6 11.c5 Nc4 12.0–0 b6 13.Qc2 Nd2 14.Nd2 f5) 11.Bc4 Nf6 (11...Nb6 12.Bd3 f5 13.0–0 Nd5 14.Qb1 Bd7) 12.Qc2 Bd6 (12...b6 13.Ne5+= (13.0–0 Bb7 14.Bd3 Bf3) 13...Bb7 14.f3 Nd7) 13.e4+/– Be7 (13...Nd7 14.0–0 e5) 14.0–0 Ng4 (14...b6 15.Rfe1+/–; 14...h6+/–) 15.e5+– h5 (15...Qd7 16.h3 Nh6 17.Qe4+–) 16.Rfd1 Bh4 (16...c6 17.bc6 bc6 18.Qc1+–) 17.g3 Be7 18.h3 Nh6 19.Bh6 gh6 20.d5 Qe8 21.Qe4 Bc5? (21...ed5 22.Bd5 Be6 23.Bb7 Rb8+–) 22.Qf4 ed5 (22...Qe7 23.Qh6 f6 24.de6 Be6 25.Qg6 Kh8 26.Qh5 Kg7 27.Nh4 Bf2 28.Kg2+–) 23.Rd5 Be7 (23...Bb6 24.Rd2 Qe7 25.Qh6 a4+–) 24.Qh6 Bf5 25.e6 fe6 26.Rf5! Rf5 27.Be6 Qf7 28.Ne5 Rf6 29.Qg5 Kf8 30.Bf7 Rf7 31.Ng6 Kg8 32.Ne7 Kh8 33.Qe5 Rg7 34.Nf5 Rag8 35.Ng7 Kh7 36.Ne6 Kg6 37.Nf4 Kf7 38.Rd1 Rg3 39.fg3 Kg8 40.Qc7 h4 41.Rd8# 1–0. Anonymous – comp, internet, 2011.

5.e3 b6 6.Nc3 Bb7 7.Be2 d5 8.0–0 dc4 9.Bc4 a6 10.d4 b5 11.Bd3 Nd5 12.Nd5 Bd5 13.e4 Bc4 (13...Bc6!?+=) 14.Bc4+/– bc4 15.Qc2 e5 16.Ne5 Bf6 (16...Qd4 17.Bb2 Qb6 18.Nc4+–) 17.Qc4 Be5 18.de5 Nd7 19.Bb2 Nb6 20.Qc2 a5 21.Rfd1 Qe8 (21...Qe7 22.b5+–) 22.Qc7 Na4 23.Bd4 ab4 24.ab4 Nc3 (24...Qe6+–) 25.Qc3 Ra1 26.Ra1 Qc8 (26...Qe6 27.b5 Rc8 28.Qd3+–) 27.Qc8 (27.Qc8 Rc8 28.b5+–) 1–0. Fritz 11 – anony, internet, 2013.

5.e3 d5 6.d4 =.

2.a3 g6

3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 g6).

3.d4 Bg7 4.Bb2 b6 5.e4 Bb7 6.Nf3 h6 7.Nbd2 c6 8.Be2 a6 9.0–0 d5 10.e5 Nd7 11.c4 dc4 12.Bc4 b5 13.Bb3 a5 14.Ne4 Bf8 15.h3 g5 16.Rc1 ab4 17.ab4 c5 18.dc5 Be4 19.Nd2 Bc6 20.Nf3 Bg7 21.Nd4 Nb8 22.Nc6 Nc6 23.Qe1 Qc7 24.f4 gf4 25.Rf4 Ne5 26.Be5 Be5 27.Re4 f6 28.Be6 Ke7 29.Bf5 h5 30.c6 Nh6 31.Bg6 Nf7 32.Qe2 h4 33.Qb5 Rab8 34.Qc5 Nd6 35.Re2 Rhg8 36.Bf5 Kf7 37.Qd5 Kg7 38.Be6 Rgf8 39.Rb1 Rb6 40.b5 Rfb8 41.Re5 fe5 42.Qe5 Kf8 43.Qf6 Nf7 44.Bc4 Rd8 45.Rf1 Re8 46.Bf7 Rb5 47.Be8 Ke8 48.Qf8# 1–0. pillsbury (2150) – beammeupscotty (2140), net–chess.com, 2014.

3.e4= Bg7 4.d4 b6 5.Nf3+= Bb7 6.Bd3 Nc6 7.Be3 Qe7 8.b5 Nd8 9.0–0 Nf6 10.Nc3 0–0 11.Bg5 Qe8 12.Qe2 c6 13.e5+– Nd5 14.Ne4 f6 15.ef6 Nf6 16.Nd6 Qe7 17.Nb7 Nb7 18.bc6 dc6 19.Rfe1 Nd8 20.Bh4 Qd6 21.Bg3 Qe7 22.c3 Nd5 23.Qd2 b5 24.h4 Nf7 25.h5 Bh6 26.Qc2 Ng5 27.Ne5 Nf3?? 28.Nf3 Rf3 29.gf3 Nf4 30.a4 Nd3 31.Qd3 gh5 32.ab5 h4 33.Be5 Qg5 34.Kh1 Kf7 35.Qh7 Bg7 36.Rg1 (36.Rg1 a5 37.Rg5 Rg8 38.Bd6 Ke8 39.Qg8 Kd7 40.Rg7 Kd6 41.Qd8#) 1–0. orane – TRENCH, caissa.com, 2006.

3.Bb2 f6

4.c4 b6 5.e3 Bg7 6.d4 Ne7 7.Nc3 c6 8.Nf3 0–0 9.Be2 d5 10.cd5 cd5 11.Rc1 a6 12.0–0 g5 13.Bd3 Nd7 14.Qc2+/– h6 15.Rfe1 Bb7 16.e4 h5 17.ed5+– Nd5 18.Re6 Nc3 19.Bc3 g4? 20.Nh4 Kf7 21.Rce1 Kg8 22.Bh7 Kh8 23.Ng6 Kh7 24.Nf8 Kg8 25.Nd7 Qd7 26.Re7 Qc6 27.R1e4 Kh8 28.f3 gf3 29.gf3 Rd8 30.Qg2 Rg8 31.Qg6 Qc3 32.Qh5?? Bh6= 33.Rg4 Rg4?? 34.Qg4+– Be3 35.Kg2 Qd2 36.Kh3 Bh6 37.Re8 Kh7 38.Qg8 1–0. mgriffin (1630) – eduardobandeira, net–chess.com, 2001.

4.c4 b6 5.g3 Bb7 6.b5?? (better is 6.Nf3=) 6...Bh1–+ 7.f3 Nh6 (7...Bc5 8.d4 Be7 9.Nh3–+) 8.g4 (8.Nh3–+) 8...f5 9.g5 (9.Nh3 Qh4 10.Nf2 Bc5–+) 9...Nf7 (better is 9...Qg5 10.Nh3 Qh4 11.Nf2 Rg8–+) 10.Bh8 Ng5 (better is 10...Nh8 11.Nh3 Bg7–+) 11.h4?? Nf7 12.d4 a6 13.d5 Nh8 14.Nh3 Qh4 15.Kd2 g5 16.Kc2 g4 17.fg4 fg4 18.Qd4 Nf7 19.Nf4 c5 20.Qc3 Qf2 21.Nd3 Qf1 22.Qd2 Bh6 23.Qc3 Qe2 24.Kb3 ed5 25.cd5 Bd5 26.Ka4 c4 27.Nc1 Qf1 28.Na2 ab5 29.Kb5 Qg1 30.Nb4 Ra5# (30...Qc5#) 0–1. pekindragons – bagboy, gameknot.com, 2012.

4.e3 Bg7 5.c4 Nh6 6.Nf3 Nc6 7.Be2 b6 8.d4 Bb7 9.Nbd2 Qe7 10.0–0 f5 11.Ne5 a5 12.Nc6 Bc6 13.Bf3 e5? (13...ab4!? 14.Bc6 dc6=) 14.Bc6 (14.d5 Bb7 15.d6 Bf3 16.Qf3+– (16.de7 Bd1 17.Rfd1 Ke7–/+)) 14...dc6+/– 15.de5 Be5 16.Be5 Qe5 17.Nf3 Qe6 18.Qc2 0–0 19.Rfd1 ab4 20.ab4 c5 21.b5 Rfd8 22.Rd8 Rd8 23.h3 Nf7 24.Ra7 Rd7 25.Qc3 Rd1 26.Kh2 Qd6 27.g3 Ne5?? (better is 27...Qe7+=) 28.Ne5 Rd2 (28...Qf6+–) 29.Ra8 (29.Ra8 Qd8 30.Rd8 Rd8 31.g4+–) 1–0. Fournier,Frederic – trompeto (1660), Active, 2006.

2.Ba3 d5

3.b5 c5 4.bc6= Nc6 5.Bf8 Kf8 6.Na3 Qe7 7.Qc1 Nf6 8.c4 Ne5 9.cd5 Nd5 10.e3 a6 11.Be2 Bd7 12.Nc2 Rc8= 13.Nf3?? Ng6 14.0–0 Nb4 15.Nfd4 e5 16.a3 Nc2 17.Nc2 Qc5 18.Nb4= Qe7 19.Qb2+= Qg5 20.Nd5 Bh3= 21.Bf3 h6 22.Qb7+/– Re8 23.Rfc1 Kg8 24.Rc7?? Be6?? 25.Nc3 Kh7 26.Ne4 Qd8 27.Ng3 Re7 28.Re7 Ne7 29.Be4 g6 30.Qa6 Qc8? 31.Nh5?? Bc4 32.Qf6+– Qf8 33.Qe5 Nc6 34.Nf6 (34.Nf6 Kg7 35.Bc6+–) 1–0. pinecrest1981 – RABALA, Live Game Caissa's Web, 2005.

3.d4 Nc6 4.e3 Bb4=+ 5.c3 Ba3–/+ 6.Na3 Nf6 7.Nf3 Ne4 8.Bb5 Nc3 9.Qd3 Nb5–+ 10.Nb5 a6 11.Nc3 0–0 12.h4 Nb4 13.Rb1?? a5 14.Qd1 b6 15.a3 Nc6 16.Rb5? Ba6 17.Rb1 Qe7 18.g3? Qa3 19.Qd2 Rae8 20.Ne5 Ne5 21.de5 Bc4 22.Nd1 Qa2 23.Rb2 Qa4 24.Nc3 Qc6 25.h5 d4! 26.ed4 Qh1 0–1. li0ns4life – DistantFalcon, internet, 2007.

3.e3 a5 4.Bb5 Bd7 5.Bd7=+ Nd7 6.ba5 Ba3 7.Na3 Ngf6 8.Nf3 0–0 9.0–0 Ne4 10.d4 c5 11.Ne5 Ne5–/+ 12.de5 Qa5 13.Nb1 b5 14.f3 Nc3 15.Nc3 Qc3 16.Qd3 Qd3 17.cd3–/+ c4 18.dc4 bc4 19.Rac1? Ra2–+ 20.e4 g6 21.ed5 ed5 22.Rfd1 Ra5 23.Rc3 f6 24.ef6 Rf6 25.h4 h5 26.g4 hg4 27.fg4 Rf4 28.Rg3 d4 29.Rb1 c3 30.Rb8 Kg7 31.Rb7 Kh6 32.g5 (32.g5 Rg5 33.hg5 Kh5 34.Rh7#) 1–0. Lastro – Mr.Oldenslo, ChessWorld.net, 2011.

3.e3 Nc6 4.Bb5 Bd7 5.c3 Qg5 6.g3 e5 7.d4 Bd6 8.Nf3 Qf6 9.Nbd2 e4 10.Bc6 Bc6 11.Nh4 Nh6 12.Ng2 Nf5 13.0–0 h5 14.Bb2 h4 15.g4 h3 16.Re1 hg2 17.gf5 Rh2 18.f4 Qh4 19.Qe2 Rh1 0–1. Benassi – Civello, corr 1982.

3.e3 Nf6 4.f3 Be7 5.g4 b6 6.c3 Bb7 7.d4 Nbd7 8.Qc2 e5 9.de5 Ne5–/+ 10.Bh3 0–0 11.Nd2 Ba6–+ 12.0–0–0? Nd3 13.Kb1 Nf2 14.g5 Bd3 (14...Bd3 15.Qd3 Nd3 (15...Nd1?! 16.gf6 Bf6 17.Bg2–+) 16.gf6 Bf6–+; 14...Nh1?! 15.gf6 Nf2 16.fe7 Qe7 17.Bf5 Nd1 18.Qd1 Qe3 19.b5–+) 0–1. eightyone (2155) – davidloza (2310), net–chess.com, 2007.

3.b5 Ba3

4.Na3 c5 5.d4?? Qa5–+ 6.Qd2 Qa3 (7.dc5 Bd7–+) 0–1. excalibur – 300SPARTANS, caissa.com, 2004.

4.Na3 Qd6 5.Qc1 Bd7 6.d4 a6 7.c4? Qb4–+ 8.Kd1 ab5 9.Nc2 Qc4 10.e3?? Qf1 11.Ne1 Qf2 12.Qc7 Nc6 13.Qb7 Ra2 14.Ngf3 Ra1 0–1. iczker – piobur23, kurnik, 2011.

4.Na3 e5 =+.

4.Na3 Qe7 5.Qc1 c5 6.c4 Nf6 (7.Nf3 0–0–/+) 0–1. pinecrest1981 – OutOne, caissa.com, 2004.

4.Na3 Qe7 5.Qc1 c6 6.c4 dc4 7.Nc4 cb5 8.Na3 Nc6=+ 9.Nb5 a6 10.Nc3 Bd7 11.e3 Nf6 12.Na4 b5 13.Nb6 Rb8 14.Nd7 Qd7 15.Nf3 0–0 16.a4 Rfc8 17.ab5? Nd4 18.Qd1?? Nc2–+ 19.Ke2 Qb5 20.d3 Na1 21.Qa1 Qb2 22.Qb2 Rb2 23.Nd2 Rcc2 (24.Kf3 Rd2–+) 0–1. pinecrest1981 – denys, caissa.com, 2004.

2.Ba3 Nf6

3.Nc3 Be7 4.e4 a5 5.Rb1 0–0 6.Bc4? d5 7.ed5 ed5 8.Bd3 Be6 9.Nb5 c6 10.Nd4 ab4 11.Ne6–/+ fe6 12.Bb4 c5 13.Bc3 d4 14.Bb2 Qd5 15.Nf3 Kh8 16.0–0? e5 17.Ng5 h6–/+ 18.Re1 c4 19.Be4–/+ Ne4 20.Ne4 Ra2 21.Ng3 Na6 22.Ne4 Nc5 23.d3 cd3 24.cd3–/+ Ne4 25.Re4 Bg5 26.Qg4? Qb3–+ 27.Re5? Rb2 28.Rb2 Qb2 29.Qe2 Qe2 30.Re2 Rc8 31.g3 Rc1 32.Kg2 Rb1 33.Kf3 b5 34.h4 Bf6 35.Ke4 b4 36.Kd5 b3 37.Kc4 Kg8 38.h5 Kf7 39.Kb4 Rd1 40.f4 Rd3 41.g4 Re3 42.Rb2 d3 43.Rb3 d2 44.Rb1 Re1 (44...Re1 45.Rb2 Bb2–+) 0–1. stardom (2250) – michelleke (2355), net–chess.com, 2003.

3.e3 a6 4.Nf3= Be7 5.Be2 0–0 6.0–0 d5 7.d4 b5 8.Ne5 c6 9.Bd3= Bb7 10.Qf3 Nbd7 11.Nd2 Ne5 12.de5 Nd7 13.Qh3 h6 14.Nf3 c5 15.Qg4 c4 16.Be2 f6 17.Qe6+/– Kh8 18.Rad1 Ne5 19.Ne5+/– fe5 20.Qe5 Bf6 21.Qe6 Re8 22.Qf7 Re7 23.Qg6 Bc6 24.Bf3+/– Be8 25.Qg4 Qd6 26.Bd5 Rd8 27.Bc4! Qc7 28.Rd8 Qd8 29.Bb3 Qd6 30.Rd1 Qe5 31.Qc8 Kh7 32.h3 Bh5 33.Bg8 Kg6 34.g4 (34...Bg4 35.Qg4 Qg5 36.c4+–) 1–0. Wall,Bill – Cinar, Internet, 1996.

3.e3 Nc6 4.b5 Ne7 5.Nf3 =.

3.g3 d5 4.Bg2 Nbd7 5.f4 a5 6.ba5 Ba3–/+ 7.Na3 Ra5 8.Qc1 Qe7 9.Nb1 e5 10.fe5 Ne5 11.Nf3 Bh3 12.0–0 Bg2 13.Kg2 Ng6 14.e3 h5 15.h4 Ne5 16.a4 Ne4 17.Nc3?? Nc3–+ 18.dc3 Ng4 (18...Ng4 19.Re1 Qe4–+; 18...Nc4 19.Re1–+) 0–1. Roever – Micheel, corr SOK–89–34, 1989.

3.b5 Ba3

4.Na3 0–0 5.d4 d5 6.c4 Qe7 7.Qb3 dc4 8.Nc4 Nd5 9.e4 Nf4 10.g3 Ng6 11.Bh3 Nd7 12.Nf3 Nf6 13.e5 Nd5 14.Ne3 c6 15.a4 Ne3 16.fe3 cb5 17.ab5 Bd7 18.0–0 Rfd8 19.Rfc1 Rac8? 20.Bf1 Rc1+/– 21.Rc1 Be8 22.b6 ab6 23.Qb6 Rb8 24.Rc7 Qa3 25.Kf2 Qa2 26.Be2 Nf8 27.Rb7 Rb7 28.Qb7 Qa4 29.Nd2 Bc6 30.Qb3 Qa1 31.Bc4 Qc1 32.Ke2 Qg1 33.e4 Qh2 34.Kd1 Qg3?? 35.d5 Qb3 36.Bb3 ed5 37.Bd5? Be8 38.Nc4 Nd7 39.Nd6 Kf8 40.e6 fe6 41.Be6 Nf6 42.e5 Nh5 43.Bf5 g6 44.Bg4 Ke7 45.Ne4 Bd7 46.Bh5 gh5 47.Ng5? h6 48.Nf3 Bg4 49.Ke2 Bf3 50.Kf3 Ke6 51.Kg3 Ke5 52.Kh2 Kf5 53.Kh1 Kg4 54.Kh2 h4 55.Kh1 h5 56.Kg1 ½–½. iczker – rubin, kurnik, 2011.

4.Na3 0–0 5.Nf3 Qe7 6.d4?? Qa3–+ 7.c4 Qc3 8.Nd2 Ne4 9.Rc1 Qd4 10.e3 Qe5 11.Nf3 Qf6 12.Bd3 Nc3 13.Qc2–/+ Na2! 14.Qa2 c6 15.Qc2 h6 16.0–0 d5 17.bc6 bc6 18.cd5 cd5?? 19.Qc8+– g6?? 20.Qb7 Nc6 21.Rc6 Rab8 22.Qd7 Rfd8 23.Qa7 g5 24.Rfc1 g4 25.Nd4 e5 26.Nf5 Qg5 27.Nh6 Kg7 28.Qf7 Kh8 29.Qh7 1–0. iczker – elsh1403, kurnik, 2011.

3.Nf3 d5

4.e3 a5 5.c3 ab4=+ 6.Bb4 c5 7.Ba3 Bd6 8.Bb5 Bd7 9.Bd7 Qd7 10.0–0 0–0 11.Qc2 b5 12.g4? Ng4–+ 13.d4 Nf6 14.dc5 Ra3 15.Na3= Bc5 16.Ng5?? h6 17.Nf3 Ba3 18.Ne5 Qc7 19.f4 Ne4 20.Rab1 b4 21.cb4 Qc2 22.b5 Bc5 23.Rfc1 Be3 24.Kf1 Qf2 0–1. madidog – ahmed sharkawy_1, ChessWorld.net, 2005.

4.e3 Ne4 5.Bd3 Qf6 6.c3 Bd7 7.Qc2 Qf5 8.0–0 Bd6 9.b5 Qg4 10.Bd6 Nd6 11.Na3 a6 12.Ne5 Qh5 13.Nd7 Nd7 14.ba6 Ke7 15.Rab1 c5 16.Nb5 c4 17.Bc4 Nc4 18.ab7 Rab8 19.Nd4 Nde5 20.Rb4 Qg6 21.Qg6 hg6 22.f4 Nd3 23.Nc6 Kd6 24.Nb8 Nb4 25.Rb1 Rb8 26.Rb4 Nd2 27.a4 Kc6 28.Rd4 Nc4 29.e4 Rb7 30.ed5 ed5 31.Rd1 Rb3 32.Ra1 Rc3 33.a5 Ra3 34.Ra3 Na3 35.Kf2 Kb7 36.g4 Ka6 37.Ke3 Nb5 38.Kd3 Ka5 39.Ke3 Kb4 40.Kd3 d4 41.h3 f5 42.gf5 gf5 43.h4 g6 44.Kd2 Kc4 45.Kd1 Kc3 0–1. Delfi 1.40 – Mad005, computer chess game, 2001.

2.a4?? Bb4

3.Ba3 Ba3 4.Na3 Nf6 5.e3 0–0 6.d4 b6 7.Qf3 Nc6 8.Ne2 Bb7 9.e4 Na5 10.Ng3 c5 11.dc5 bc5 12.Rb1 Qc7 13.Nb5 Qc6 14.Qc3 Ne4 15.Qa5+/– Ng3 16.hg3 Qe4 17.Kd1 Qg4 18.Be2 Qe4?? 19.Bf3+– (19…Qf5 20.Bb7+–; 19.Na7?! Qg2 20.Re1 d6=+) 1–0. NN – COMP, 2003.

3.Na3 d5 4.h4 Qe7 5.Rb1?? (better is 5.Nf3–+) 5...Ba3 6.Ba3 Qa3 7.Rh3 (7.e3 Nd7–+) 7...Qa4 8.h5 Nf6 9.Ra1 Qg4 10.Rd3 (10.h6 g6–+) 10...Qh5 11.Rf3 Ng4 12.Rf4 e5 13.Rb4 b6 14.Raa4 e4 15.Rb5 Bd7 16.Ra3 Bb5 17.Rb3 Ba6 18.Rg3 f5 19.Re3 Ne3 20.de3 Nc6 21.Qd5 Bb7 22.Qe6 Ne7 23.Qc4 c5 24.Qa4 Bc6 25.Qa3 0–0 26.c4 f4 27.ef4 Rf4 28.Qa6 e3 29.fe3 Qh4 30.Kd2 Rf1 31.g4 Qe1 32.Kd3 Rd8 33.Kc2 Rd2 34.Kc3 Qc1 35.Kb3 Qb2 0–1. barbermachine – fayyaz, internet, 2007. (=1.a4 e6 2.b4?? Bb4)

3.c3 Ba5 4.e4 Nf6 5.e5 Nd5 6.Na3 Nc6 7.Nc4 d6 8.Na5 Na5 9.d4 de5 10.de5 Qe7 11.Qg4 0–0 12.Bg5 =+.

3.c3 Be7 4.e4 e5 5.Qh5 Nc6 6.Bc4 g6 7.Qe2 d6 8.Nf3 Nf6 9.0–0 Bg4 10.h3 Bf3 11.Qf3 g5 12.d3 =+.

3.e4 d5 4.e5 Nc6 5.c3 Ba5 6.Nf3 h6 7.d4 a6 8.Bd3 Bd7 9.Qc2 g6 (9...Nge7 10.Nbd2=) 10.Nbd2 Nge7 11.Nb3 b6 12.0–0 Qc8 13.Ba3 Na7? (better is 13...Nf5!?+=) 14.Na5+– ba5 15.Bc5 Nac6 16.Qe2 Nf5 17.Rfb1 g5 18.Rb2 Rb8 19.Rb8 Qb8 20.Rb1 Qd8 21.Ba6 g4 22.Nd2 h5 23.Bd3 Qg5 24.Nb3 h4 (24...Nfe7 25.Ba3+–) 25.Na5! Nce7 (25...Na5 26.Rb8) 26.Rb8 Bc8?? (26...Nc8+–) 27.Bb5 (27.Bb5 c6 28.Nc6+–) 1–0. marekt – Stallan, ChessWorld.net, 2003.

3.e4 Nf6 4.e5 Nd5 5.c3 Ba5 6.Na3 Nc6 7.Nc4 d6 8.Na5 Na5 9.d4 de5 10.de5 Qe7 11.Qg4 f6 12.Nf3 =+.

3.Ba3 Nc6

4.Bb4 Nb4 5.c3 Nc6 6.d4 d5 7.Nf3 Nf6 8.e3 0–0 9.Bb5 Bd7 10.0–0 a6 11.Bd3 Re8 12.Ne5 Ne5 13.de5 Ne4 14.Be4 de4 15.Qg4 f5 16.ef6=+ Qf6 17.Nd2 Qc3 18.Ne4 Qc4?? 19.Nf6+– Kh8 20.Qc4 (20…gf6 21.Qd4+–) 1–0. b4_player (1980) – the_tafit (1715), GameColony.com, 2002.

4.c3 Ba3 5.Na3 Nf6 6.Nf3 0–0 7.Qc2 g6 (7...e5 8.d4 e4 9.Ne5–+) 8.g3 (8.e4 d6+=) 8...d5 9.Qd3 (9.Bg2 e5–/+) 9...a6 10.Qe3 Qd6 11.Ng5 (11.d4 Bd7–/+) 11...Ng4 12.Qf3 Nce5 13.Qg2 Qb6 14.Qh3?? (better is 14.Rb1 Qd6 15.Nc2–/+) 14...Qb2 (better is 14...Qf2 15.Kd1 h6–+) 15.Rb1 (15.Qh7) 15...Qa3 (15...Qb1 16.Nb1 Nf6+–) 16.Qh7# 1–0. Hoentzsch,Daniel (1885) – Kappler,Thomas (2135), remoteschach.de, 2007.

2.Bb2 a5

3.ba5 Nf6 4.Nf3 d5 5.e3 c5 6.c4 Be7 7.d4 0–0 8.Be2 cd4 9.Bd4 Bb4 10.Bc3 Qa5 11.Qd2 Bc3 12.Qc3 Ne4 13.Qa5 Ra5 14.cd5 ed5 15.0–0 Nc6 16.Nbd2 Nc3–/+ 17.Bd3 Ra2 18.Ra2 Na2 19.Nb3 Nab4 20.Be2 Bg4 21.h3 Bf3 22.Bf3 Ne5 23.Be2 Nbd3?? 24.Nd4?? Rb8?? 25.Rb1?? b6?? 26.f4+– Nc4 27.Bd3 Ne3 28.Rb5 g6 29.Kf2 Nd1 30.Kg3 Nc3 31.Rb3 Ne4 32.Be4+– de4 33.Kf2 f5 34.Ke3 Kf7 35.g4 fg4 36.hg4 h5 37.gh5 gh5 38.Ke4 Kf6 39.Kf3 h4 40.Rb2 Ke7 41.Kg4 Kd6 42.Kh4 Kc5 43.Ne6 Kd5 44.Ng5 b5 45.Kg4 b4 46.Nf7 b3 47.Ne5 Rb4? 48.Kf3 Ke6 49.Nd3 Rb5 50.Ke3 Kf5 51.Ne5 Rb4+/– 52.Nd3 Re4?? 53.Kf3+– Rd4 54.Ke2 Ke4 55.Rb3 Rc4 56.Rb4 Rb4 57.Nb4 1–0. futsalboy – slimak23 (1625), kurnik, 2011.

3.b5 Qe7 4.e3 d5 5.Nf3 Nd7 6.c4 Ngf6 7.d4 Nb6 8.c5 Nc4 9.Bc4 dc4 10.Nbd2 Bd7 11.a4 (< 11.Nc4 Bb5 12.Nce5 Nd7+=) 11...Bc8 12.Nc4 Nd5 13.0–0 h6 14.Qc1 f5 15.Nce5 Bd7?? (better is 15...Qf6+–) 16.c6 (16.Ng6!? Qf6 17.Nh8 g6+–) 16...bc6 17.bc6 (17.Nc6?! Qf6+–; 17.Nd7?! Qd7 18.Ne5 Qd6+–) 17...Bc8 18.Ng6 Qf7 (18...Qf6 19.Nh8 g5+–) 19.Nh8 (19...Qf6 20.Ne5+–) 1–0. Wall,Bill – Tattoo, Microsoft Gaming Zone, 2004.

3.b5 f6 (--> 2.Bb2 f6 3.b5 a5).

3.ba5 Ra5

4.c4 d5 5.e3 Nf6 6.Nf3 dc4 7.Bc4 b5 8.Be2 Nc6 9.Qb3 Be7 10.0–0 b4= 11.Rc1 Qd6 12.a3 0–0 13.ab4 Ra1 14.Ba1 Nb4 15.Nc3 Ba6 16.Ba6 Qa6 17.Bb2 Rb8 18.Ra1 Qb7 19.Ba3 h6 20.Rb1 c5 21.d4 Nfd5 22.dc5 Bc5 23.Nd5 Qd5 24.Qd5 ed5 25.Ne1 Rb6 26.Kf1 Kf8?? 27.Ke2?? Ke7?? 28.Bb4?? Rb4= 29.Rb4 Bb4 30.Nd3 Ba3 31.Ne5 Ke6 32.Nf3 g5 33.Kd3 f5 34.Nd2 Bb4 35.Nb3 Ba3 36.f3 Ke5 37.Nd4 Bc5 38.Nc6 Kd6 39.Na5 Bb4 40.Nb3 Ke5 41.Nc1 Ba3 42.Ne2 Bb2 43.Ng3 f4 44.ef4 Kf4 0–1. carocan (1735) – palmet (1660), kurnik, 2011.

4.Nf3 c5 5.e3 f6 6.Nc3 h5 (6...d5 7.Be2=) 7.Bd3 d5 8.Nh4 Ne7 9.a4 (9.0–0 Kf7+=) 9...c4 10.Be2 d4 (10...Rh6!?=) 11.Nb5+/– d3? (better is 11...g5!? 12.Bh5 Kd7+–) 12.Bh5 Kd7 13.cd3 cd3 (13...Rh6 14.dc4 g6 15.Ra3+–) 14.0–0 (14.Ra3 Nd5 15.Rd3 Na6+–) 14...Nf5? (better is 14...Nd5+–) 15.Nf5 ef5 16.Qb3 Nc6 (16...Rh5 17.Qf7 Qe7 18.Qh5 Kd8+–) 17.Qd5 Ke7 (17...Bd6 18.Qd6) 18.Qf7 1–0. Fritz 11 – harrierhawk, internet, 2014.

4.Nf3 d5 5.e3 =.

4.Nf3 f5 5.e3 Nf6 6.c4 b6 7.d4 Bb4 8.Nbd2 Qe7 9.Bd3 d6 10.a3 Bd2 11.Qd2 Bb7 12.0–0 Nbd7 13.Bc3 Ra8 14.Rab1 Ne4 15.Qc2 Ra3 16.Bb4 Ra8 17.Nd2 Nd2 18.Bd2 0–0 19.e4 f4 20.f3 e5 21.Bc3 h6 22.Rfd1 Kh8 23.Bf1 Bc6 24.Rdc1 Ba4 25.Qb2 Bc6 26.c5 bc5–/+ 27.de5 de5 28.Rd1 Rfb8 29.Qd2 Rb1 30.Rb1 Re8 31.Bc4 Nb6 32.Ba2 c4 33.Ba5 Qc5–+ 34.Kh1 Ra8 35.Bc3 Qe3 36.Qb2?? Ra2! 37.Qa2 Qc3 38.h3 Qd3 39.Rc1 c3 40.Qf7? Qd2 41.Qf8 Kh7 42.Qf5 Kg8 43.Qe6 Kf8?? 44.Qf5–/+ Ke7 45.Qe5 Kd8 46.Qc3 Qc3–+ 47.Rc3 Kd7 48.h4 Bb7 49.Rc5 Kd6 50.Rf5–/+ c5 51.Rf4? c4–+ 52.Rf7 Bc6 53.Rg7?? c3 54.Rg6 Kc5 55.Rh6 c2 56.Rh5 Kc4 57.Kh2 c1Q 58.Rg5 Qf4 59.g3 Qf3 60.e5 Qg2 0–1. slave81 (2020) – antique (1960), kurnik, 2011.

3.b5 a4

4.a3 c6 5.c4 d5 6.e3 cb5 7.cd5 Qd5 8.Nc3 Qg5 9.Nf3 Qh5 10.Bb5 Bd7+= 11.Bd7 Nd7 12.Na4?? Ngf6?? 13.Nc3+= Bd6 14.h3 0–0 15.0–0 Rfc8 16.Nd4 Qg6 17.Qf3 Nc5 18.Ndb5+= Bb8 19.d4 Nd3 20.Rab1 Nb2 21.Rb2 Rc6 22.a4 h5 23.d5 ed5 24.Nd5 Nd5 25.Qd5 Kh7 26.Nd4 Rf6 27.Qb7 Rfa6 28.f3 Qg3 29.Qe4 Rg6 30.f4 Ra4 31.Qf3 Qh4?? 32.Rb8 Rg3 33.Qe4 g6 34.Nf3 Qh3 35.Ng5 Rg5 36.fg5 Qd7 37.Qe8 Qe8+– 38.Re8 Ra7 39.e4 Kg7 40.e5 h4 41.Kh2 h3 42.Kh3 Ra3 43.Kh4 Ra4 44.g4 Ra7 45.Rf6 (45.Rf6 Ra1 46.Re7 Rh1 47.Kg3 Rg1 48.Kf2 Rg2 49.Kg2 Kf8 50.Rff7 Kg8 51.e6 Kh8 52.Rf8; 45.Rd1 Rb7 46.Rdd8 Rb8 47.Rb8 Kh7 48.Rh8 Kg7 49.Rbg8) 1–0. orangutanb4 (2035) – cro2009 (1780), kurnik, 2011.

4.a3 c6 5.e3 cb5 6.Bb5 Nf6 7.c4 Bc5 8.Ba4 0–0 9.d4 Be7 10.Bc2 Nc6 11.Qd3 d5+= 12.c5 g6 13.Nf3+= Ne4 14.0–0 Ng5? 15.Nbd2 Bf6 16.Ng5 Bg5 17.f4 Bh6 18.Nf3 Bg7 19.Qe2 Ne7 20.Ne5 Be5 21.fe5+– Nf5 22.e4 de4 23.Qe4 Rb8 24.Rfd1 b5 25.Bc3 Qg5 26.c6 h5 27.Bb4 Rd8 28.Qf3 Nh4?? 29.Qg3 (29.Qg3 Qg3 30.hg3+–) 1–0. erisonpassos – bocianam, kurnik, 2011.

4.a3 Nf6 5.c4 d5 6.e3 Bd7 7.Nf3 Be7 8.Nc3 dc4 9.Bc4 0–0 10.Na4 Qe8 11.Nc3 Nd5 12.Bd5 ed5 13.a4 c6 14.bc6 bc6 15.0–0 Na6 16.Ne5 Rb8 17.Ba3 c5 18.Nd7 Qd7 19.Nb5 Bf6 20.Rc1 Rbc8 21.d3 Nb4 22.Bb4 cb4+/– 23.Qb3 Bc3 24.Nc3 Rc3 25.Rc3 bc3 26.Qc3 Qa4 27.d4 h6 28.g3 Rb8 29.Qc5 Rb5? 30.Qc8+– Kh7 31.Qd7 Kg6? 32.Kg2 Qa6 33.Rc1 Rb6 34.Qd5 Rf6?? 35.Qe4 Kg5 36.h4 Kh5 37.Rc5 g5+– 38.hg5 hg5 39.Qh7 Rh6+– 40.Qf7 Rg6 41.Qf3 Kh6 42.g4 Qa7 43.Qh3 Kg7 44.Qg3 Qa8 45.Qf3 Qf3 46.Kf3 Rf6 47.Kg3 Re6 48.Rg5 Kf6 49.Re5! Kg6 50.Re6 Kf7 51.d5 (51.d5 Kg7 52.d6 Kh7 53.d7 Kg7 54.d8Q Kf7 55.Qd7 Kf8 56.Re8) 1–0. ludice (1630) – guacuzao (1750), kurnik, 2011.

4.e3 a3 5.Bd4 b6 6.Nf3 c6 7.Ne5+= Bc5? 8.Nc6!+– dc6? 9.Bg7 Nf6 10.Bh8 Kf8 11.Qf3 Be7 12.bc6 Kg8 13.c7! (13.c7 Qc7 14.Bf6 Bf6 15.Qf6 Qc2 16.Qd8 Kg7 17.Nc3+–) 1–0. Bonetti,Shane – guest672, ICC, 2002.

4.e3 f6 5.Bd3 a3 6.Bc3 e5? 7.Qh5+– g6 8.Bg6! Ke7 9.Na3! Bg7 10.Bd3 d6 11.Nc4 Qe8 12.Qf3 Qd8 13.Ne2 h5 14.Ng3 Bg4 15.Qb7 Nd7 16.Bb4 Rb8 17.Qd5 Be6 18.Nf5 Kf7 19.Ncd6! cd6 20.Nd6 Ke7 21.Qe6! Ke6 22.Bc4 Ke7 23.Nf5 Ke8 24.Ng7# 1–0. wyssy – ante, internet, 2011.

4.e3 Nf6 5.a3 c6 6.bc6 bc6 7.Nf3 d5 8.c4 Bd6 9.cd5 cd5 10.Nc3 0–0 11.Bd3 e5 12.e4 de4 13.Ne4 Ne4 14.Be4 Ra5 15.0–0 Ba6 16.Re1 f5 17.Bc2 e4 18.Nd4 Be5 19.Ne6 Qh4?? 20.g3?? Qh3? 21.Be5+– Re5 22.Nf8 Bb7?? 23.Re3 f4?? 24.Nh7 fe3–/+ 25.de3 Rh5 26.Nf6 gf6 27.Qd8 Kh7 28.Qc7?? Qd7 29.Qd7?? Nd7= 30.h4 Ne5 31.Ba4= Nf3 32.Kg2 Ra5 33.Bd7 Ne5 34.Bf5 Kg7 35.g4 Nd3 0–1. dtpwaldi – daniello32, kurnik, 2011.

3.b5 b6

4.a4 Bb7 5.e3 Nf6 6.d4 Be7 7.Nd2 0–0 8.c4 c6 9.Rc1 Bb4=+ 10.Ngf3 Ne4 11.Bd3 Nd2 12.Nd2 cb5 13.cb5 Bg2 14.Rg1 Bb7 15.Qh5 f5 16.d5 Rf7 17.Qh6 (17.Qh6 e5 18.Bf5+– (18.Be5?! Qe7 19.Bd4 Kf8 20.Qh7 Ke8+–)) 1–0. Nebe,Lutz – Wichert,P, corr, 1988.

4.a4 c5 5.e4 d5 6.ed5 Qd5 (6...ed5 7.Nf3=) 7.c4 (7.Be2 Bb7 8.Bf3 Qd7+=) 7...Qd8 (7...Qd6 8.Be2=) 8.Nf3 (8.Qf3 Ra7+=) 8...f6 (8...Nf6 9.Ra3=) 9.Be2+= h5 (9...e5!?+=) 10.0–0 (better is 10.Nh4+/–) 10...g5? (better is 10...Bd6+/–) 11.Ng5!+– fg5 (11...Ke7+–) 12.Bh8 Nf6 (12...g4 13.Qc2 Qg5 14.f4+–) 13.Bh5 Nh5 14.Qh5 Kd7 15.f4 Bb7 16.Qf7 Kc8 (16...Be7 17.Bf6 Qe8 18.Qh7+–) 17.Qe6 (better is 17.Bf6 Be7 18.Qe6 Kc7 19.Qe7 Qe7 20.Be7 gf4+–) 17...Nd7 18.Nc3 Kb8 (18...Be7 19.Bg7 g4 20.Be5+–) 19.Be5 (19.fg5!? Qg5 20.g4 Qe7+–) 19...Ka7 20.Nd5 Bd5 21.Qd5 (worse is 21.cd5 Rc8+–) 21...g4 (21...gf4 22.Rf4 Ne5 23.Qe5+–) 22.Ra3 g3 (22...Be7 23.Rd3 Nf6 24.Qc6+–) 23.hg3 (23.Rg3 Qe8 24.Rd3 Rd8+–) 23...Be7 (23...Ne5 24.fe5 Qd5 25.cd5+–) 24.Rd3 Bf6 (24...Nf6 25.Qc6 Qc8+–) 25.Bf6 (25.Qd7 Qd7 26.Rd7) 25...Nf6 26.Qf7 Nd7 (26...Qd7 27.Rd7 Nd7 28.Qd7 Kb8 29.Re1 Ra7 30.Re8) 27.Rd7 Qd7 28.Qd7 Kb8 29.f5 (29.Re1 Ra7 30.Re8) 29...Ra7 30.Qd6 (30.Qd8 Kb7 31.Re1 Ra8 32.Re7) 30...Ka8 (30...Rc7 31.Re1 Kc8 32.Re8 Kb7 33.Qd5 Rc6 34.Qc6 Ka7 35.Qd7) 31.f6 (31.Qd8 Kb7 32.Re1 Ra8 33.Re7) 31...Rf7 (31...Rc7 32.f7 Rc8 33.f8Q Rf8 34.Rf8 Kb7 35.Qe7) 32.Qd5 (32.Re1 Rc7 33.Re8 Kb7 34.Qd5 Rc6 35.Qc6 Ka7 36.Qd7) 32...Rb7 (32...Kb8 33.Re1 Rc7 34.Re8 Rc8 35.f7 Rd8 36.Qd8 Kb7 37.Qe7) 33.Qb7! Kb7 (33...Kb7 34.f7 Mate attack) 34.f7 Kc8 35.f8Q Kc7 (35...Kd7 36.Rf7 Ke6 37.Qe7) 36.Rf7 1–0. rcm06 (1930) – larry126, gameknot.com, 2012.

4.a4 c6 5.c4 Nh6 6.e3 d5 7.d4 Bb4 8.Bc3 Bc3 9.Nc3+= 0–0 10.Be2 dc4 11.Bc4 =. Trkn – ANDRE BALLICO, itsyourturn.com, 2001.

4.a4 d5 5.e3 Bc5?? 6.Bg7+– Nf6 7.Bh8 Ke7 8.Bf6 Kf6 9.Qh5 Ke7 10.d4 Bd6 11.Nf3 Nd7 12.Ng5 Qf8 13.Qh7 Bb7 14.Qh4 Ke8 15.Be2 Be7 16.Bh5 Qg8 17.Bf7 Qf7 18.Nf7 Bh4 19.Nh6 Bg5 20.Ng4 Ke7 21.h4 Bf6 22.Nf6 Nf6 23.Nd2 Rg8 24.g3 Ng4 25.Ke2 Nf6 26.Rhf1 Rf8 27.Nf3 Ng4 28.Ne5 Nf6 29.Nc6 Bc6 30.bc6 Kd6 31.Rac1 Kc6 32.c4 dc4 33.Rc4 Kd6 34.Rfc1 Rc8 35.Rc6 Kd7 36.f3 Nd5 37.e4 Nb4 38.R6c4 Kd6 39.Ke3 Kd7 40.f4 Kd6 41.g4 Na2 42.R1c2 Nb4 43.g5 Nc2 44.Rc2 Rh8 45.Rh2 c6 46.h5 b5 47.h6 b4 48.g6 Ke7 49.g7 Rg8 50.h7 Rg7 51.h8Q Rg3 52.Kf2 Rg2 53.Rg2 b3 54.Rg1 Kd6 55.Rb1 c5+– 56.Rb3 c4 57.Qe5 Kd7 58.Rb7 Ke8 59.Qh8# 1–0. Onkel_Luis – elbusto, ICC, 2003.

4.e3 Bb7 5.f4 d5 6.Nf3 c5 7.c4 Nf6 8.Be2 Be7 9.0–0 h6 10.a4 dc4 11.Bc4 0–0 12.d3 Nbd7 13.Ne5 Ne5 14.Be5 Nd5 15.e4?? Nb4 16.Qb3=+ Bf6 17.Bf6 Qf6 18.Nd2 Qd4 19.Kh1 f5 20.Be6 Kh8= 21.Bf5 Rf5 22.ef5 Nd3 23.h3 Nf2 24.Kh2 Qf4?? 25.Qg3+– Qd2 26.Rf2 Qd4 27.f6 gf6+/– 28.Raf1 Rf8? 29.Qg6+– Qe5 30.Kh1 Qg5? 31.Rf6 Rf6?? 32.Rf6+– Bg2 33.Kh2 Qg6 34.Rg6 Bf1 35.Rb6 c4 36.Rc6 Bd3 37.b6 Be4 38.Rc4 (38.Rc4 Bd5 39.Rc5+–) 1–0. carocan (1770) – arekkotek, kurnik, 2011.

3.b5 c5

4.c4 d5 5.a4 b6 6.e3 Nf6 7.d4 Nbd7 8.Nf3 cd4 9.Nd4 Bb4 10.Bc3 Bc5 11.Nc6 Qc7 12.Nd2 0–0 13.Rc1 Bb7 14.cd5 Nd5 15.Bd4 Bc6 16.Bc5? Nc5–+ 17.bc6 Qc6 18.Bb5–/+ Qb7 19.0–0 Rac8 20.Nf3 Rfd8 21.Qe2 Qe7 22.Nd4 Qh4 23.g3 Qf6 24.Rfd1 h6 25.Kg2 Ne4 26.Nc6 Rf8 27.Rd4 Nec3 28.Qc2 Nb5 29.ab5 Nb4 30.Qc4 Nd5 31.e4+= Nc7? 32.Rd7 Rfe8 33.Rc2 Qg5 34.f3?? Kh7= 35.Rf7 Nb5 36.Qd3 Qh5 37.Rb7 Nc7? 38.Rb6 Qe5?? 39.f4 Qa1+/– 0–1. amator111 (1685) – fontolos (1820), kurnik, 2011.

4.e3 b6 5.c4 d5 6.f4 f5 7.Nf3 Nf6 8.Be2 Nbd7 9.0–0 Bb7 10.d4 h6 11.Nbd2 g6 12.Ne5 Bg7 13.Ng6+/– Qc7? 14.Ne5?? 0–0–0? 15.Ndf3 Ne4 16.Qc2 Rdg8? 17.Bd3 h5? 18.cd5 Bd5 19.dc5?? Ndc5 20.Rac1 Kb7 21.Bd4 h4 22.Be4 fe4 23.Nd2 h3 24.g3 Qe7? 25.Bc5 bc5? 26.Qc5 Qc5 27.Rc5 Kb6? 28.Nd7 Kb7 29.Rfc1 Rc8 30.Rc8 Rc8 31.Rc8 Kc8 32.Ne5 Ba2 33.Kf2 Bd5 34.Ke2 Kb7 35.Ndc4 a4 36.Kd2 Be5 37.Ne5 Kb6 38.Kc3 Kb5 39.g4 a3 40.g5 Ka4 41.g6 a2 42.Kb2 Kb4 43.g7 a1Q 44.Ka1 Kc3 45.g8Q Kd2 46.Qg3 Kc3 47.Qh3 1–0. carocan (1770) – nikb, kurnik, 2011.

3.b5 c6

4.a4 cb5 5.ab5 b6 6.c4 Bb7 7.Nf3 Bc5?? 8.d4 Bb4 9.Nbd2 Nf6 10.e3 Ne4 11.Be2 0–0 12.0–0 d5 13.Ne4 de4 14.Nd2 f5 15.g3 Qg5 16.h4 Qg6 17.Bh5 Qh6 18.Be2 Nd7 19.Nb3 Nf6 20.Kh2 Qg6 21.Rg1 h5 22.Rc1 Ng4 23.Bg4 fg4 24.Rg2 Rf3 25.Kg1 Raf8 26.c5 bc5 27.Nc5 Bd5 28.Nd7 Bd6?? 29.Ne5?? Be5=+ 30.de5 Qe8 31.b6 Qb5 32.Bd4 a4 33.Rb1 Qa6 34.Ra1 a3 35.Qb1 a2=+ 36.Qb4 Rb8 37.Kh2 Rf7 38.Rgg1? Rfb7?? 39.Qd6 Rb6 40.Bb6 Rb6?? 41.Qd8+/– Kh7 42.Qg5 g6? 43.Rgc1 Qb7 44.Rc5 Rb1 45.Rc1 Qb2?? 46.Rcb1 Qb1 0–1. bratek55 (1715) – zakqpmk, kurnik, 2011.

4.a4 cb5 5.ab5 b6 6.e3 Qc7 7.c4 Bb7 8.Nf3 d5 9.Qb3 dc4 10.Bc4 Bf3 11.gf3 Qb7 12.Ke2 Nf6 13.Rg1 g6?? 14.Bf6+– Rg8 15.h4 Bb4 16.h5! Nd7 17.Bc3 Nc5 18.Qa2 Bc3 19.Nc3 Rd8 20.d3 g5 21.Na4 Nd3 22.Bd3 Rd3 23.Kd3 Qd5 24.Qd5 Ke7 25.Qg5! Rg5 26.Rg5 f5 27.Rg7 Kf6 28.Rh7 f4 29.e4 e5 (29...Kg5 30.Rg1 Kf6 31.Nb6 Ke5 32.Nc4 Kf6 33.Rg6) 1–0. carocan (1705) – tomborell, kurnik, 2011.

4.a4 cb5 5.ab5 b6 6.e4 d5 7.ed5 Qd5 8.c4 Qe4 9.Qe2 Qe2 10.Be2 Nf6 11.Nf3 Be7 12.d4 0–0 13.Nc3 Bb4 14.0–0 Bc3 15.Bc3 Ne4 16.Bb2 Rd8 17.Rad1 a4 18.Bd3 Nf6 19.Bb1 a3 20.Ba1 a2 21.Bc2 Nbd7 22.Ne5 Ne5 23.de5 Rd1 24.Rd1 Kf8?? 25.Rd8 Ke7 26.ef6 Kd8 27.fg7 Ke7 28.g8Q Bb7 29.Qa8! Ba8 30.Bb3 Bg2 31.Ba2 (31.Ba2 Be4 32.Bd4+–) 1–0. iczker – giulian78, kurnik, 2011.

4.a4 Bc5?? 5.e3 Nf6= 6.c4 d5 7.Nf3 Nbd7 8.Qb3 Nf8 9.d4 Bd6 10.Be2 Ng6 11.0–0 0–0 12.Nc3 cb5 13.ab5 b6 14.Rfc1 dc4 15.Bc4 Bb7 16.Nd2 Kh8 17.f3 Qc7 18.Nf1 h5 19.e4 e5 20.Nd5 Bd5? 21.Bd5+– Qd7 22.Ba8 Ra8 23.d5 Bc5 24.Kh1 Nf4? 25.Ba3 Ba3 26.Qa3 h4 27.Rc6+– h3 28.g3 Ne2 29.Qd3 Nd4 30.Nd2?? Nd5? 31.ed5+– Qd5 32.Rac1 g6 33.Rc8 Kg7 34.Ra8 Qa8 35.Ne4 a4 36.Kg1 a3 37.f4?? a2+= 38.Ra1 Qd5? 39.fe5?? Qe5 40.Rd1 Nb5–/+ 41.Qb5?? a1Q 42.Ra1 Qa1 43.Kf2+/– Qa2 44.Qe2 Qd5 45.Qb2 Kh6?? 46.Qd2 Kg7?? 47.Qd5 (47.Qd5 b5 48.Qd4 Kf8 49.Qd8 Kg7 50.Qf6 Kf8 51.Ng5 Ke8 52.Qf7 Kd8 53.Ne6 Kc8 54.Qc7) 1–0. carocan (1725) – nebojimsa, kurnik, 2011.

4.a4 d5 5.e3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 c6 4.a4 d5 5.e3 a5).

4.c4 cb5 5.cb5 Qb6 6.a4 d5 7.e3 Nd7 8.Nf3 f6 9.Be2 Nc5 10.Ba3 g5 11.Nd4 e5= 12.Bh5 Kd8 13.Nb3 Nd3=+ 14.Ke2 e4?? 15.Bf8+– Qe6 16.Bg7 Nb2 17.Qc2 Nc4 18.Bh8 g4 19.h3 f5 20.Bd4 Qh6 21.hg4 f4 22.Nc3 f3 23.gf3 ef3 24.Kf3 Qf8 25.Ke2 Na3 26.Ra3! Qa3 27.Bc5 (27.Bc5 Qc5 28.Nc5+–) 1–0. bcholy – gummi57, ChessWorld.net, 2005.

4.c4 Qb6 5.e3+= d5 6.a4 Nd7 7.d4 Bb4 8.Nd2 dc4 9.Bc4+= Ngf6 10.Qc2 0–0 11.Ngf3 Re8 12.0–0 c5 13.Nb3 Qd6 14.Bd3 b6 15.Nfd2 Bb7 16.dc5 bc5 17.Nc4 Qd5 18.f3 e5 19.Rfd1 Qe6+/– 20.Bf5 Qe7 21.Bc3 g6 22.Bb4 cb4 23.Bd7 Nd7 24.Nba5 Nc5 25.Nd6 e4 26.f4 Nd3 27.Ne8 Re8 28.Nb7 Qb7 29.Rd3 ed3 30.Qd3 Qb6 31.Kf2 Rd8 32.Qc2 Rd4 33.Rb1?? Rf4+/– 34.Ke2 Rg4?? 35.Qc8+– (35.Qc8 Kg7 36.Qg4+–) 1–0. Nordbrink,Juergen – Karlsson,Ewald, corr, 1980.

4.c4 d5 5.e3 dc4 6.Bc4 cb5 7.Bb5 Bd7 8.Nc3 Nf6 9.Nf3 Bd6 10.a4 0–0 11.Qc2 Nc6 12.Ng5 h6 13.h4 Nb4 (13...hg5 14.hg5 Nb4 15.Qb1+/–) 14.Qb1 Bb5 (14...hg5 15.hg5 Bb5 16.Nb5+/–) 15.Nb5 Be7 (better is 15...e5!?+=) 16.Bf6+= Nd3 17.Ke2 (17.Ke2 gf6 18.Ne6 fe6 19.Qd3 Qd3 20.Kd3+/–) 1–0. combijack (1820) – aleatorical (1715), gameknot.com, 2011.

4.c4 d5 5.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 a5).

4.c4 Nf6 5.e3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 a5).

4.bc6 Nc6 5.e3 d5 6.Nf3 e5 (better is 6...Qb6!? 7.Bc3 Nf6=) 7.Ne5+/– Ne5 8.Be5 Qh4 (8...Ne7 9.Qh5+/–) 9.Bg3 Qe4 (better is 9...Qg5+–) 10.Nc3 Qe5 (10...Qf5 11.Bd3 Qg5+–) 11.Be5 Ne7 12.Bb5 (better is 12.Nb5 Kd7 13.Nc7 Ra7+–) 12...Nc6 13.Nd5 Bg4 14.Qg4 Bd6 15.Bd6. Fournier,Frederic (1625) – brothers, ChessOK.com, 2012.

4.e3 Nf6 5.Nf3 Be7 6.c4 d5 7.Be2 dc4 8.bc6 Nc6 9.Bc4 0–0 10.0–0 b6 11.Nc3 Bb7 12.Rc1 Rc8 13.Be2 Nb4 14.d4 Nbd5 15.Nd5 Nd5 16.Ne5 Qd6 17.Bf3 f6 18.Nc4= Qd8 19.Qb3 Bb4 20.a3 Be7 21.Nb6 Qb6 22.Qb6 Nb6 23.Bb7 Rc1 24.Rc1 Rb8 25.Bc6 Nd5? 26.Bd5 ed5= 27.Rc2 Kf7 28.h4 a4 29.Kf1 Rb3 30.Ke2 Ba3 31.Ba3 Ra3 32.Rc7 Kg6 33.Ra7 Ra2 34.Kf3 a3 35.h5 Kh6 36.g4 g6 37.Ra6 gh5 38.Rf6 Kg5 39.Rf5+/– Kg6 40.Rd5 hg4= 41.Kg2 Rb2 42.Ra5 a2 43.d5 Rd2 44.e4=+ Kf6 45.d6 Ke6 46.e5 h5 47.Kg3 Kd7 48.Ra6 Ke6 49.Ra5 Kd7 50.Kh4 Rf2 51.Kh5?? g3–+ 52.Ra7 Ke6 53.Re7 Kd5 54.d7–/+ a1Q 55.d8Q Ke4 56.Qd4?? Qd4 57.Rf7 Rf7 58.Kg4 Qe5 59.Kh3 Rh7 60.Kg2 Qh5 61.Kf1 Qh2 62.Ke1 Ra7 (62...Ra7 63.Kf1 Qf2) 0–1. orangutanb4 (2105) – alejandro1234 (1770), kurnik, 2011.

3.b5 d5

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

4.e3 Nf6 5.Nf3 (--> 1.b4 a5 2.b5 Nf6 3.Nf3 e6 4.Bb2 d5 5.e3).

3.b5 Nf6

4.c4 b6 5.e3 Bb7 6.Nf3 Be7 7.Be2 0–0 8.0–0 c5 9.Qc2 d5 10.Nc3 Nbd7 11.d3 Qc7 12.Na4 Rad8 13.h3 Bd6 14.Rac1 e5 15.cd5 Nd5 16.e4 Nf4 17.g3 Ne2 18.Qe2 Rfe8 19.Nc3 Nf8 20.a4 Qd7 21.Nd2 Qh3 22.Qf3 Ne6 23.Nc4 Bc7 24.Qg2 Qh6 25.Rcd1 f5! 26.Bc1 f4 27.Nd5 Bd5 28.ed5 Nd4 29.Rfe1 Qh5 30.gf4? Nf3 31.Kf1 Ne1 32.Re1 ef4 33.Re8 Re8 34.d6 Qd1 0–1. orangutanb4 (2095) – p1on (1930), kurnik, 2011.

4.e3 a4 5.f4 a3 6.Bf6 Qf6 7.Nc3 Bb4 8.Nge2 d5 9.Rb1 Bc5 10.Ng3 g6 11.Bd3 h5 12.Qf3 h4 13.Nge2 Nd7 14.e4 de4 15.Ne4 Qe7 16.Ng5 Nf6 17.Nc3 Bd7 18.Nce4 Bb6 19.c4 Ne4 20.Ne4 c6?? 21.Ng5?? Qf6 22.Be4 Rc8 23.d3?? Qc3–/+ 24.Ke2?? Qc2–+ (24...Qc2 25.Ke1 Ba5 26.Kf1 Qb1 27.Kf2 Qh1–+) 0–1. elsh1403 – sitta (1670), kurnik, 2011.

4.e3 d5 5.Nf3 (--> 1.b4 a5 2.b5 Nf6 3.Nf3 e6 4.Bb2 d5 5.e3).

4.e3 Be7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 Be7 4.e3 a5).

2.Bb2 a6

3.a3 c6 4.Nf3 b5 5.e3 Bb7 6.Be2 d6 7.0–0 Nf6 8.c4 h6 9.cb5 ab5 10.d4 g5 11.h3 Bg7 12.Nbd2 Nfd7 13.Qc2 e5 (13...Nf6!?+=) 14.de5+/– de5 15.Rfd1 Qc7 (15...0–0+–) 16.Ne4 Na6?! (16...0–0+–) 17.Nd6 Kf8 18.Nb7 (better is 18.Qb3!? Nb6 19.Ne5 Nd5 20.Ndf7 Rh7+–) 18...Qb7 19.Qd3 Re8?? (better is 19...e4 20.Bg7 Kg7 21.Qe4 Rhe8+–) 20.Qd7 Qd7 21.Rd7 Rg8 22.Rad1 e4 23.Bg7 Rg7 24.Nd4 c5 25.bc5 Nc5 26.Rc7 Na4 27.Bb5 Nc3 28.Rc3 Rd8 29.Rdc1 f5 30.Nf5 Rf7 31.Nh6 Rf6 32.Ng4 Rg6 33.Rc8 Rc8 34.Rc8 Ke7 35.a4 Rd6 36.Rc7 Kd8 37.Rd7! Rd7 38.Bd7 Kd7 39.Nf6 Kc7 40.Ne4 Kb6 41.Ng5 Ka5 42.h4 Ka4 43.h5 Kb4 44.h6 Kc5 45.h7 Kd6 46.h8Q (46.h8Q Kc7 47.Qe5 Kb6 48.e4 Kc6 49.Qd5 Kc7 50.Ne6 Kb6 51.Qc5 Kb7 52.Qb5 Kc8 53.Qc6 Kb8 54.Qb6 Kc8 55.Qc7) 1–0. Fournier,Frederic (1880) – nachofranco, Active, 2008.

3.a3 Bd6?? 4.Bg7+– Be7 (4...Be5 5.Be5 Nf6 6.Bb2+–) 5.Bh8 Bf6 6.Bf6 Qf6 7.Nc3 d5 8.Nf3 Nc6 9.e3 e5 (9...Nge7 10.b5 ab5 11.Bb5+–) 10.Nd5 Qd6 11.c4 e4 (11...Be6 12.Qc2 h6 13.Bd3+–) 12.Ng1 (better is 12.Ng5!? Nf6 13.Nf6 Qf6 14.Ne4 Qe5+–) 12...Be6 13.d3 Bd5 14.cd5 Qd5 15.de4 Qe4 16.Nf3 h6 17.Bd3 Qg4 18.0–0 Nf6 19.Nd4! Nd4 20.Qg4 Ng4 21.ed4 0–0–0 (21...c6+–) 22.Bf5 Kb8 23.Bg4 Rd4 24.Bf3 f5 (24...c6 25.Rad1 Rd1 26.Rd1+–) 25.Rfd1 Rc4 26.Rac1 Rc1 27.Rc1 Kc8 28.Rc5 f4 29.Rf5 c6 30.Rf4 b5 31.Rf7 h5 32.Bc6 Kd8 33.f4 Kc8 34.f5 Kd8 (34...h4 35.f6 a5 36.Rb7 a4 37.f7 Kd8 38.f8Q#) 35.f6 Kc8 36.Rd7 Kb8 (36...h4 37.f7 a5 38.f8Q#) 37.f7 Kc8 38.f8R# (38.f8Q#) 1–0. Knight32 – glo1, ChessWorld.net, 2012.

3.a4 b6 4.e3 Nf6 5.b5 Bb7 6.c4 Be7 7.Nf3 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 Be7 6.c4 a6 7.a4).

3.a4 d5 4.e3 Bb4?? 5.Bg7+– Qg5 6.Bh8 b6 7.Bb2 Bb7 8.f4 Qh4 9.g3 Qe7 10.Bg2 f5 11.Nc3 Nc6 12.Nf3 h6 13.0–0 a5 14.Ne5 Ne5 15.fe5 Qg5 16.Ne2 h5 17.Nd4 Bc5 18.Ne6 Qg6 19.Nc5 bc5 20.Qf3 Ne7 21.c4! c6 22.d4 cd4 23.Bd4 h4 24.Rab1 Rb8 25.Ba7 hg3 26.Qg3 Qg3 27.hg3 Ba6 28.Rb8 Nc8 29.Rf5 Kd7 30.cd5 cd5 31.Rc8! Kc8 (31...Bc8 32.Bd5; 31...Kc8 32.Rf8 (32.e6 Passed pawn)) 1–0. carocan (1830) – cioculet, kurnik, 2011.

3.c4 Bb4?? 4.Bg7 d5 5.Nf3 dc4 6.Qa4 Nc6 7.a3 Ba5 (7...b5 8.Qc2 Nf6 9.Bh8+– (9.ab4?! Rg8 10.Bf6 Qf6+–)) 8.Qc4 Qd5 9.e3 Qc4 10.Bc4 Nf6 11.Bh8 (worse is 11.Bf6 Rg8 12.Bd3 h6+–) 11...Nd5 12.Bb2 b5 13.Bd5 ed5 14.0–0 (14.Ke2 Be6+–) 14...Bf5 15.d4 h6 16.Nc3 Be6 17.Rfc1 f6 (17...Ne7 18.h3+–) 18.Ne2 (18.Nb5 Kd7 19.Nc3 Rb8+–) 18...Bd7 19.Nf4 Ne7 20.Bc3 Bb6 21.Bb4 Nc6 (21...c6 22.Kf1+–) 22.Nd5 a5 (22...Kf7 23.Bd6!+–) 23.Bc5 (better is 23.Nf6 Kd8 24.Bf8 h5+–) 23...a4 (23...Kd8+–) 24.Bb6 cb6 25.Nc7 Ke7 26.Na8 f5 27.Nb6 Be8 28.Rc5 Ke6 29.Rac1 (better is 29.d5 Kd6 30.dc6 Bc6 31.Rf5 Kc7 32.Nd5 Kb8+–) 29...b4 30.ab4 (30.d5 Kf7 31.dc6 Bc6 32.Rc6 Kg7 33.Rd1 Kf8 34.Rd7 ba3 35.Rc8#) 30...Nb4 31.Re5 Kf6 32.Re8 a3 33.Ra1 Nc2 34.Ra2 Nb4+– 35.Ra3 Nc6 36.Nd5 Kf7 37.Raa8 h5 38.Ng5 Kg6 39.Rg8 Kh6 40.Nf7 Kh7 41.Nf6# 1–0. algernon (2165) – valerypavlovich (2100), net–chess.com, 2012.

3.e3 Bb4?? 4.Bg7+– Ne7 5.Bh8 d5 6.Bf6 Nd7 7.Be7 Qe7 8.Nf3 b6 9.Be2 Bb7 10.0–0 0–0–0 11.a3 Bd6 12.d4 Rg8 13.Nbd2 f5 14.c4 Qg7 15.g3 Nf6 16.Ne5 h6 17.Bf3 Nh7 18.Bg2 Be5 19.de5 Qe5 20.cd5 Bd5 21.Nf3 Qf6 22.Qd4 Qe7 23.Rfc1 h5 24.Qb6 Bf3 25.Bf3 (25.Bf3 Qd7 26.Qb7 Kd8 27.Rc7 Qc7 28.Rd1 Ke7 29.Qc7 Kf6 30.Qh7 Rg4 31.Rd7 Rg3 32.hg3 f4 33.Qg7 Kf5 34.e4) 1–0. ejdrzej (1685) – hlinican, kurnik, 2011.

3.e3 b6 4.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 a6).

3.e3 c5 4.bc5+= Bc5?? (better is 4...Nf6+= 5.d4 b6 6.cb6 Qb6 7.Bc1 Nc6 8.Nf3 Rb8) 5.Bg7+– Qb6 (5...d5 6.Bh8 Nc6 7.d4 Bb4 8.c3+–) 6.Bh8 Nc6 7.Nc3 Nb4 8.a3 Nd5 9.Na4 Qa5 10.Nc5 Qc5 11.Bd4 Qa5 12.e4 Ndf6 13.e5 Nd5 14.c4 Nde7 15.Nf3 Nc6 16.Bc3 Qc5 17.Qc2 Ne5 18.Be5 b5 19.Qh7 Qf8 20.Bg7 Nf6 21.Bf6 Bb7 22.Ne5 1–0. marre – MentalConfusion, internet, 2010.

3.e3 d5 4.c4 c6 5.a4 Nf6 6.b5 ab5 7.ab5 Ra1 8.Ba1 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.c4).

3.e3 d6 4.c4 b6 5.Nf3 h6 6.d4 Nd7 7.Bd3 Ne7 8.0–0+/– g5 9.Nbd2 Bg7 10.Qc2 Bb7 11.Rac1 g4 12.Ne1 h5 13.c5 Nf6 14.e4 Bh6 15.Rd1 b5 16.a4 Nc6 17.Qb3 ba4 18.Qa4 0–0 19.Nc2 h4 20.Qa1 a5+= 21.b5 Nb4 22.Nb4 ab4 23.Qb1 g3 24.Nf3 gf2 25.Kh1 Ng4 26.c6 Bc8 27.Bc1 Ne3 28.Be3 Be3 29.Qb4 h3 30.g3 e5+= 31.de5 Ra2= 32.Be2 Re2 33.Qc4 Re1 34.Ne1 Bg4 35.Qd3 Bd1 (35...Bd1 36.Qe3 fe1Q (36...fe1B?! 37.Rf6 Bh5 38.Qg5 Bg6 39.Rg6 fg6 40.Qg6 Kh8 41.Qh6 Kg8 42.Qg6 Kh8 43.Qh6 Kg8 44.Qg6=; 36...fe1N?! 37.ed6 Qd6 38.Re1–/+; 36...fe1R?! 37.Qe1 Bh5 38.ed6 Qd6 39.Qe3–+) 37.Qe1 Bh5–+) 0–1. Roldan,Antonio – Mary,Laurent, IECG, 1999.

3.e3 f6 4.a3 g6 5.d4 Bg7 6.Bd3 d5 7.f4 Ne7 8.Nf3 Nd7 9.Qe2 b6 10.c4 c5 11.dc5 bc5 12.0–0 0–0 13.Nc3 Bb7 14.Rfd1 Qc7 15.Rac1 e5? 16.cd5+– Nd5? 17.Bc4 N7b6 18.bc5 Nc4 19.Qc4 Rad8 20.Nd5 Bd5 21.Rd5 Kh8 22.Rd8 Rd8 23.fe5 fe5 24.Ng5 Rd2 25.Bc3 Rd7 26.Rf1 h6 27.c6 hg5 28.cd7 Qc4 29.d8Q Kh7 30.Bb4 (30.Bb4 Qb3 31.Qg5+–) 1–0. amator111 (1810) – donic2, kurnik, 2011.

3.e4 Bb4?? 4.Bg7 h5 5.Bh8 Nh6 (5...Qh4 6.Qf3+–) 6.Qh5 Ng8 (6...Bf8 7.g4 Qe7 8.g5+–) 7.e5 (better is 7.Bg7 Nc6+–) 7...d6 (7...Nc6 8.Nf3 Bf8 9.Qh7+–) 8.Qh7 (better is 8.Qg4 Ne7 9.Qb4 Nbc6+–) 8...Ke7 (8...Qg5 9.c3 Bc5 10.Nf3+–) 9.Qg7 (better is 9.Qh4 Ke8 10.Qb4 de5+–) 9...de5 10.Nf3 (10.h4 Nc6+–) 10...e4 (10...Nc6 11.Ne5 Ne5 12.Qe5+–) 11.Ne5 Nc6 (11...Qe8 12.Nc3 e3 13.Ne4 ed2 14.Kd1+–) 12.c4 (better is 12.Qf7 Kd6 13.Nc4 Kc5+–) 12…Nd4 (12...Nd4 13.Qg5 f6 14.Qg7 Kd6 15.Nf7 Kd7 16.Nd8 Ne7+–; 12...Ne5 13.Qe5 Bd7+–). Pumphut – Anji, internet, 2003.

3.e4 Nc6 4.a3 Qh4 5.Nc3 (5.d3 Nf6=) 5...b5 (5...Nf6!? 6.Nf3 Qf4+=) 6.Nf3 Qd8 (6...Qg4 7.d4+=) 7.d4+/– Nce7 (7...d5 8.Bd3+/–) 8.Bd3 d6 (8...Ng6 9.0–0+/–) 9.0–0+– Bb7 (9...Ng6+–) 10.Ng5 (10.d5 Nf6+–) 10...h6 (10...Nc6 11.f4 Nd4 12.a4+/–) 11.Nh3 Bc8 (11...d5 12.Qe2+/–) 12.f4 (12.a4 ba4 13.Ra4 Rb8+–) 12...g6 (12...Nf6 13.Nf2+–) 13.e5 (13.a4 ba4 14.Na4 Bg7+–) 13...d5 14.a4 Bb7 (14...Nf5!? 15.Qd2 Bb4 16.ab5 c6+/–) 15.ab5+– ab5 16.Ra8 Ba8 (16...Qa8 17.Nb5 (worse is 17.Bb5 c6+–) 17...Qd8 18.Nf2+–) 17.Nb5 Nf5 (17...Bb7 18.Qd2+–) 18.Bf5 (18.Qa1!? Bb7 19.Qa7 Qc8+–) 18...gf5 19.c4! c6 (19...dc4 20.Qa4) 20.Na3+– Bb4 (20...Bb7+–) 21.cd5 cd5? (21...Ba3 22.Ba3 Qd5+–) 22.Qa4 Kf8 23.Qb4 (23.Qb4 Kg7 24.Nb5+–) 1–0. Wall,Bill – Luv2Play, internet, 2006.

3.e4 d5 4.ed5 (4.Nc3 Nf6 (4...d4 5.Nce2 Nc6 6.Nf3 e5 7.c3 dc3 8.Nc3 Nf6 9.b5 ab5; 4...Nc6 5.ed5 ed5 6.Nf3 Nf6 7.a3 Bd6 8.Bd3 Qe7 9.Qe2 Qe2) 5.e5 Nfd7 6.Nf3 Bb4 7.Be2 c5 8.a3 Ba5 9.d4 Nc6) 4...Qd5 (4...ed5 5.Nf3 Nf6 6.a3 Bd6 7.Bd3 Qe7 8.Qe2 Qe2 9.Ke2 0–0; 4...Nf6 5.Nf3 ed5 6.Bd3 Bb4 7.Qe2 Be7 8.Bf6 gf6 9.0–0 Nc6) 5.c4 (5.Nc3 Qe5 (5...Qd6 6.a3 Nf6 7.Nf3 Nc6 8.Bd3 Be7 9.0–0 0–0) 6.Qe2 (6.Be2 Nf6 7.Nf3 Qd6 8.b5 Qb6 9.a4 Bb4) 6...Qe2 7.Nce2 (7.Be2 Nc6 8.a3 Nf6 9.Nf3 Bd6) 7...Nc6= (7...Bb4? 8.Bg7 Nc6 9.Bh8+–; 7...Nf6 8.a3 a5 9.b5 Bd6) 8.a3 Nf6 9.Nf3 Bd7) 5...Qe4 6.Qe2 (6.Be2 Qg2 7.Bf3 Qg6 8.Ne2 Nf6 9.Qa4 Bd7) 6...Qg6 (6...Qc2 7.Be5 f6 8.Na3 Qa4 9.Bb2 Nc6) 7.a3 (7.Nf3 Nc6 8.a3 Qc2 9.d4 Nb4) 7...c5 (7...Nc6 8.Nf3 Nf6 9.Nc3 Bd6) 8.b5 (8.Qe5 Nc6 (8...cb4 9.Qg3 Nc6) 9.Qe2 (9.Qg3 cb4) 9...Nf6–/+ – (9...cb4–/+); 8.Nc3 Nf6 9.Nd5 Nd5) 8...Be7 (8...ab5 9.cb5 Nd7) 9.Nf3 (9.Nc3 Nf6) 9...Nd7 (9...ab5+=) 10.d4 ab5 11.cb5 Bf6 12.dc5 Ra4 13.Kd1 (13.Bf6 Qf6 14.Ra2 Nc5=) 13...Nc5 14.Qc2 (14.Ne5 Qf5 15.Ke1 Re4–+) 14...Qc2 15.Kc2 Ne4 16.Nc3 Nf2 17.Na4 Nh1 18.Nb6 Ne7 (18...Bb2 19.Kb2 Ne7 20.Rc1=) 19.a4 (19.Bf6 gf6 20.Bd3 Nf2=) 19...0–0 (19...Bb2 20.Kb2 Nf2 21.Rc1=) 20.a5 (better is 20.Bf6 gf6 21.Bd3=) 20...Nd5?? (better is 20...Bb2!? 21.Kb2 Nd5+=) 21.Nd5+= ed5 22.Bf6 gf6 23.a6 b6 24.Bc4 dc4+/– 25.Rh1 Rd8 26.Rd1 Bf5+= 27.Kc1 Bd3 28.Ne1 Kf8 29.Nd3 cd3 30.Kd2 Ke7 31.Rc1 Kd6? 32.Rc6 Kd5 33.Rb6 Kc4 34.a7 Rg8 35.g3 Ra8 36.Rb7 Re8 37.Rb8 (37.Rb8 Re2 38.Kd1+–) 1–0. Stabenow,Juergen – Diener,Rudolf, corr SOK–87–08, 1988.

3.e4 d6 4.Nf3 h6 (4...d5 5.ed5 ed5 6.Qe2 Qe7 7.c4=) 5.Bc4 (5.Nc3 Nc6+=) 5...Qe7 (5...Nf6 6.Nc3=) 6.0–0 (6.a3 d5 7.ed5 ed5 8.Be2 Be6+=) 6...e5 (6...d5!? 7.ed5 Qb4=) 7.Nc3 g5? (better is 7...Nf6+=) 8.Nd5+– Qd8 9.d4 (9.Ne5 Rh7 10.Ng4 Bg7+–) 9...Bg7 (better is 9...c6 10.Ne3 g4+/–) 10.de5+– de5 11.Be5 Be5 12.Ne5 Bd7?? 13.Nc3 f6?? 14.Nf7 Qe7+– 15.Nh8 Nc6 16.Ng6 Qb4 17.Qd3 0–0–0 18.Nd5 Qd6 19.Rad1 Nge7 20.Nge7 Ne7 21.Ne7 Qe7 22.Ba6 ba6 23.Qa6 Kb8 24.Rb1 (24.Rb1 Qb4 25.Rb4 Bb5 26.Rb5#) 1–0. TriAngel – UncleTupelo, ICC, 1999.

3.Nf3 Bb4?? 4.Bg7+– Nh6 5.Bh8 (worse is 5.Bh6 d5+–) 5...Ng4 6.a3 Bc5 7.d4 Bb6 8.e4 Ke7 9.Bg7 Qg8 10.Be5 d6 11.Bg3 f5 12.e5 Bd7 13.h3 Nh6 (13...Ba5 14.Nbd2 Nh6 15.c4+–) 14.ed6 cd6 15.Qd2 Nc6 (15...Nf7 16.Qb4 Bb5 17.c4+–) 16.Qh6 Re8 (16...Bc7+–) 17.Bh4 Kf7 (17...Qg5 18.Bg5 Kf7 19.Qh7 Kf8 20.Bh6#) 18.Qf6# 1–0. b4_player (2185) – Ruz_t_Shackleford (1695), GameColony.com, 2003.

3.Nf3 b6 4.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 a6).

3.Nf3 c5 4.bc5+= Nc6 (4...Nf6 5.Ba3+=) 5.d4 Qc7 (5...b6 6.cb6 Qb6 7.Bc1+=) 6.Nc3 (6.e4 d6+/–) 6...d6 7.cd6 Bd6 8.e4 (8.d5 Nd8+/–) 8...Qb6 (8...Nge7 9.Bd3+/–) 9.Rb1 Qc7 (9...Qa5 10.Be2+/–) 10.e5 (10.Be2 b5+/–) 10...Be7 (10...Bb4 11.Qd2+/–) 11.Bd3 Qa5 (11...b5 12.0–0+/–) 12.0–0 Bb4 (12...Nb4 13.Be4+/–) 13.Qd2 Nd4? (better is 13...b6+–) 14.Nd4 Qe5 15.Rfe1 Qd4 (15...Qa5+–) 16.Bb5! Bd7 (16...ab5 17.Qd4) 17.Qd4 (17.Qd4 Bb5 18.Qg7 Bc3 19.Bc3+–) 1–0. Wall,Bill – Northbound, internet, 2003.

3.g3 Nc6 4.a3 Nf6 5.Bg2 Be7 6.e3 d5 7.Ne2 b5 8.Nbc3 Ne5 (better is 8...0–0!?+=) 9.Nd5+/– Bd6?? (better is 9...ed5 10.Be5 0–0+/–) 10.Nf6+– Qf6 11.Ba8 Nf3 12.Kf1 Qb2 13.Bf3 0–0 (13...Qf6 14.Bc6 Kf8 15.Kg2+–) 14.Nc3 (14.Nc3 Bb4 15.ab4 Qb4 16.Kg2+–) 1–0. marekt – Heimdallr, ChessWorld.net, 2012.

3.g3 Nf6 4.a3 d5 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 d5 4.g3 a6).

3.a3 b5

4.Nc3 Be7 5.Nf3 Bb7 6.e4 d6 7.d3 Bf6 8.Be2 Nc6 9.0–0 Nd4 10.Nd4 Bd4 11.h3 Ba7?? (11...c5 12.Qd2=) 12.Bf3 (better is 12.Nb5!? Nf6 13.Na7 Ra7 14.Bd4+–) 12...f6 (12...Bd4 13.a4=) 13.Ne2 Ne7 (13...e5 14.d4+=) 14.Ng3 (14.Nf4 Kf7 15.Bh5 g6+/–) 14...h6 (better is 14...0–0!?=) 15.Bh5+/– g6 16.Bg4 Qd7 (16...e5 17.Be6+=) 17.Bf6+/– Rg8 (17...0–0 18.Bb2+/–) 18.c4 h5 19.Bf3 bc4 20.dc4 e5 21.Be7 (21.Be2 Qe6 22.Bg5 Bd4+/–) 21...Qe7 22.Rc1 Qh4 (22...Rf8 23.Rb1+/–) 23.c5 dc5 24.bc5 Rd8?? (24...Rg7 25.Qa4 c6 26.Be2+/–) 25.Qa4 (better is 25.Qb3 Bd5 26.ed5+–) 25...c6+/– 26.Rfd1 Rd1 27.Rd1 Rg7 28.Rd5 Qe7 29.Ne2 Attacking the isolated pawn on c5 29...Kf8 30.Nc1?? Bc5 31.Rd3= Qh4 32.Kh2?? Bf2?? 33.Qb4 Kg8 34.Bd1 Qf4 35.Kh1 Qc1?? 36.Rd8+– Kh7 37.Qf8 Kh6 38.Qh8 Rh7= 39.Qe5?? Bh4 40.g4?? Bd8 41.Qd4 Bg5 (41...Bg5 42.gh5 c5–+; better is 41...c5!? 42.Qd3 Be4 43.Qe4 Qd1 44.Kg2 Qd2 45.Kh1–+) 0–1. I need chocolate... – kingsknight59, ChessWorld.net, 2005.

4.e3 Bb7 5.Nf3 Nf6 6.Be2 d5 7.0–0 Nbd7 8.d3 Bd6 9.c4 dc4 10.dc4 bc4 11.Bc4 0–0 12.Nd4 Ne5 13.Be2 Rc8 14.Nd2 c5 15.bc5 Rc5 16.Qb3 Bd5 17.Qb6?? Qb6–+ (17...Qb6 18.Rab1 Ba2–+) 0–1. elsh1403 (1620) – delcrimar, kurnik, 2011.

4.Nf3 Bb7 5.c4 bc4 6.Nc3 d5 7.d4 cd3 8.Qd3 Nf6 9.e3 Bd6 10.Be2 0–0 11.h3 Nbd7 12.0–0 c5 13.bc5 Nc5 14.Qc2 Rb8 15.Na4 Qe7 16.Nc5 Bc5 17.Bd4 Ne4 18.Bd3 Rfc8 19.Bc5 Rc5 20.Qe2 Nc3 21.Qe1 e5 22.Nd2 e4 23.Be2 a5 24.Nb1? Ne2 25.Qe2 Qf6 26.Ra2 Ba6 27.Qg4 Bf1 28.Nd2 Bc4 29.Nc4 Rc4 30.g3 Qf3 31.Qf3 ef3 32.Rd2 Rc1 33.Kh2 Rbb1 34.g4 g5 35.Kg3–+ Rc3 36.Kf3 Ra3 37.Rd5 a4 38.Rg5 Kf8 39.Ra5 Rb2 40.Ra8 Kg7 41.Ra5 Raa2 42.Rg5 Kh6 43.h4 Rf2 44.Ke4 Rab2 45.Rh5 (45.Rh5 Kg7 46.Rg5 Kf8 47.Kd4–+) 0–1. iczker – delcrimar (1640), kurnik, 2011.

3.a3 Nf6

(--> 1.b4 e6 2.Bb2 Nf6 3.a3 a6).

4.Nf3 c5 5.c3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 c5 5.c3 a6).

3.a4 Nf6

4.Ra3 Bb4–/+ 5.Rg3 Bf8 6.Na3 c6 7.Qa1 d5 8.Nf3 Nbd7 9.h4 b5 10.a5? c5 11.h5 d4 12.c3 Ne4 13.Rg4 f5 14.Re4? fe4 15.Nh4 Be7 16.g3 Bh4 17.Rh4 e5 18.Re4 Bb7 19.Rg4 Qf6 20.cd4 cd4 21.e3 de3 22.de3 0–0–0 23.Bh3 Kb8 24.Rb4 Rhe8 25.Nb5 ab5 26.Rb5 Qc6 27.Bf1 Ka7 28.Be5?? Ne5 29.Re5 Re5 30.Qe5 Rd5 31.Qb2–+ Qd6 32.Be2 Ba6 33.Qg7–/+ Qd7 34.Qb2? Be2–+ 35.Qb6? Ka8 36.Ke2 Rd6 37.Qc5 Rd2–/+ 38.Kf1 Rd1 39.Kg2 Qd5 40.Qd5 Rd5 41.f4 Ra5 42.Kf3 Kb7 43.g4 Ra4 44.f5 Kc6 45.e4 Kd6 46.Kf4 Ke7 47.g5 Kf7 48.f6?? Ra5 49.e5–/+ Ra4?? 50.Kf5+/– Ra5 51.g6 hg6 52.hg6 Kg8 53.f7 Kg7 54.Ke6 Ra6 55.Ke7 Ra7 56.Ke6 Ra6 57.Ke7 Ra7 58.Ke6 Ra6 ½–½. xtom (1635) – ita1979 (1620), kurnik, 2011.

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

3.c4 Nf6

4.a3 b6 5.d4 a5 6.b5 d5 7.e3 Bd6 8.Nc3 =.

4.a3 b6 5.e3 Bb7 6.Nf3 Be7 7.Be2 d6 (7...0–0 8.Nc3= (8.0–0=); 7...d5 8.d4=) 8.d4 (8.0–0=) 8...Nbd7 9.0–0 Rc8 10.a4 (10.Nc3 0–0=) 10...0–0 11.a5 (11.b5 c5=) 11...Ra8 (11...ba5 12.ba5 Rb8 13.Ra2=) 12.Nbd2 (12.Qa4 c5=) 12...c5 13.Bc3 (13.Qa4 cb4 14.Qb4 Rb8=) 13...Ne4 (13...cb4 14.Bb4 Qc7 15.Bd3=) 14.Ne4+= Be4 15.ab6 (15.Nd2 Bg6=) 15...Nb6 (15...cb4 16.b7 Bb7 17.Bb4=) 16.bc5 dc5 17.Ba5 Qd6 18.Nd2 Bb7 (better is 18...Bf5 19.dc5 Qc5+–) 19.Nb3?? (19.Qb3 Bd8 20.Rfb1 Bc7+–) 19...Qc7? (better is 19...Nd7=) 20.Rb1 (20.dc5 Bc5 21.Nc5 Qc5+–) 20...Be4 21.dc5 Bc5 22.Nc5 Bb1 23.Qb1 Qc5 24.Bb6 Qc8 25.c5 Rb8 26.Qa2 Qd7 27.Rd1 Qc6 28.Rd6 Qe8 29.Ba6 Ra8 30.Qc4 Qe7 31.g3 Qf6 32.Rd1 Qf3 33.Rd2 Qf6 34.Kg2 Qa1 35.Qa2 Qe5?? 36.Rd4+– Qf6 37.Qc4 e5 38.Rd6 Qe7 39.Qe2 e4 40.Rd4 h6 41.c6 Rfb8 42.Rd7 Qf6 43.Bb7 Rb7 44.cb7 Re8 45.Bc7 Qc6 46.Re7! Re7 47.b8Q Re8 48.Qb6 Qd7 49.Qeb2 Qf5 50.Bf4 Qg4 51.Q6d4 Re6 52.h3 Qg6 53.Qb8 Kh7 54.Qdd8 Qf5 55.Qh8 Kg6 56.Qbg8 (56.Qbg8 Qh3 57.Kh3 Re7 58.Qgg7 Kf5 59.Qf6#; 56.Qbf8 Kh5 57.Qhg7 Qh3 58.Kh3 Rg6 59.Qh6 Rh6 60.Qh6#) 1–0. Nordbrink,Juergen – Filor,E, corr, 1980.

4.a3 b6 5.Nf3 Nc6 6.Nc3 Bd6 7.e4 0–0 8.d4 Bf4.

4.a3 b6 5.Nf3 d5 6.e3 dc4 7.Bc4 b5 8.Be2 =.

4.a3 c5 5.Qb3 cb4 6.ab4 Nc6 7.b5 Ne7 8.ba6 Ra6 9.Ra6 ba6 10.e3 Nf5 11.d4 d5 12.c5 Ne4 13.Bd3 Qa5 14.Nc3 Bc5? (14...Nh4!?+=) 15.dc5 (better is 15.Be4!? Qb4 16.Qc2 de4 17.dc5+–) 15...Nc5+/– 16.Qc2 Nd3 17.Qd3 Qb4 18.Qd2 d4 19.ed4 Nd4 20.Nge2 e5 21.0–0 (better is 21.Nd4!? Qd4 22.Qd4 ed4 23.Ne4+–) 21...0–0+/– 22.Nd4 ed4 23.Ne4 Qd2 24.Nd2 d3 25.Rd1 Bd7 26.Nf3 Bb5 27.Ne1 Rd8 28.f3 (better is 28.Rd2+=) 28...d2–/+ 29.Nc2?? (29.Bc3 de1Q 30.Re1 Rc8–/+) 29...Ba4 (29...Be2 30.Ne3 Bd1 31.Nd1–+) 30.Ne3?? (better is 30.Bc3–/+) 30...Bd1–+ 31.Nd1 Rc8 32.Bc3 a5?? (better is 32...Re8 33.Kf2 Re1–+) 33.Kf2+= (33.Bd2? Rd8 34.Ba5 Rd1 35.Kf2 f6–+) 33...a4 34.Ke2 (34.Bd2? a3 35.Nc3 a2 36.Na2 Rc2–+) 34...a3 35.Kd2 a2 36.Ba1 Rb8 37.Ne3 Rb1 38.Nc2 Rg1 ½–½. Kulik,Roman (1940) – Salamon,Jan (1890), Polfinal Mistrzostw Polski Niewidomych Poland, 2008.

4.a3 c5 5.bc5 Bc5 (5...Nc6 6.Nf3 Bc5 7.d4 Be7 8.Nc3 0–0) 6.d4 Be7 7.Nc3 0–0 (7...d5 8.e3= (8.cd5 ed5) 8...Nc6; 7...Nc6 8.Nf3 0–0) 8.Nf3 (8.e4 d5 9.e5 Ne8=) 8...d5 (8...Nc6=) 9.c5. algernon (2175) – pushtiu (2230), net–chess.com, 2010.

4.a3 c5 5.Nf3 cb4 6.ab4 Bb4 7.Nc3 Nc6 8.e3 0–0.

4.a3 Nc6 5.Nf3 d5 6.cd5 ed5 7.e3 Bg4 8.h3 Bf5.

4.a3 d5 5.e3= (5.cd5 ed5 6.Nf3 Nc6 7.e3 Bf5 8.Nc3 Bd6) 5...a5 6.b5 Bd6 7.Nf3 Nbd7 8.d4 0–0.

4.a3 Bd6 5.Nf3 Nc6 6.Nc3 0–0 7.e3 b6 8.Bd3 Bb7.

4.a3 Be7 5.Nf3 Nc6 6.Nc3 0–0 7.e3 d5 8.Bd3 dc4.

4.Qa4 b6 5.Nf3 Bb7 6.Nc3 Nc6 7.a3 Bd6 8.e3 0–0.

4.Qb3 c6 5.a4 Qe7 6.b5 Qb4 7.Qb4 Bb4 8.e3 ab5 9.ab5 Ra1 10.Ba1 cb5 11.cb5 Be7 12.Nf3 d5 13.d4 Bd6 14.Bd3 0–0 15.Nbd2 Bb4 16.Ke2 Bd7 17.Rc1 Rc8 18.Rc8 Bc8 19.Ne5 Bd2 20.Kd2 Nfd7 21.f4 Ne5 22.fe5 Nd7 23.e4 b6 24.ed5 ed5 25.Bb2 Nf8 26.Ke3 Be6 27.Ba3 Ng6 28.Bd6 f5? 29.ef6! gf6 30.Bc7 Nh4 31.g3 Nf5 32.Bf5 Bf5+/– 33.Bb6 Bd7 34.Bd8 Bb5 35.Bf6 Kf7 36.Bh8 Kg6 37.Kf4 h5 38.Be5 Bd3 39.Bc7 Be4 40.Bd8 Bh1 41.h3 Be4 42.g4 hg4 43.Kg4 Bg2 44.h4 Be4 45.h5 Kh7 46.Bg5 Bd3 47.Kf4 Be2 48.h6 Bf1 49.Ke5 Bg2 50.Kf6 Bh1 51.Bf4 Bg2 52.Bg5 Bh1 53.Bf4 Bg2 54.Bg5 ½–½. carocan (1700) – tomborell, kurnik, 2011.

4.Qb3 Be7 5.d4 d5 6.c5 0–0 7.Nf3 Ne4 8.Nbd2 Nc6 9.e3 f5 10.Bd3 Bf6 11.Rd1 Bd7 12.0–0 Qe8 13.Bc3 g5 14.Ne5 (better is 14.Bb2=) 14...Ne5–/+ 15.de5 Ba4 (15...Nc3?! 16.Qc3 Bg7 17.f4=) 16.Qb2 Nc3 17.Qc3 Bd1 18.Rd1 Bg7 19.f4 gf4 20.ef4 Bh6 21.Qd4 (21.Rf1!?–/+) 21...Qa4–+ 22.Rb1 a5 23.g3 ab4 24.Qb4 Qb4 25.Rb4 Rfb8 26.Rb2 Bf8 27.Nb3 Ra3 28.Kf1 Rba8 29.Bb1 R8a4 30.Ke2 Rb4 31.Rc2 Rc4 32.Rc4 dc4 33.Nd4 Kf7 34.c6 bc6 35.Nc6 (better is 35.Nf3 Bc5 36.Nd2–+) 35...Bc5 36.Nd8 (36.Kd1 Ke8–+) 36...Ke7 37.Nc6 Kd7 38.Nb8 Kc8 39.Nc6 Kd7 (39...Ra6!? 40.h3 Rc6 41.g4–+) 40.Nb8 Kc8 41.Nc6 Ra6 42.Kd2 (42.h3 Rc6 43.g4 Rb6–+) 42...Rc6 43.Kc3 Bg1 0–1. Arlt,Ronald (1725) – Denker,Stephan (2035), Bad Harzburg op, 2007.

4.c5 Nc6 5.a3 d6 6.cd6 Bd6 7.Nf3 e5 8.e3 Bg4 9.Be2 Bf3 10.Bf3 e4 11.Be2 Nd7 12.Qc2 Qh4 13.g3 Qe7 14.Nc3 Nf6 15.Bc4 Ne5 16.Be2 Qe6 17.Ne4 h6 18.Nf6 Qf6 19.f4 0–0–0 20.Be5 Be5 21.fe5 Qe5 22.0–0 g5 23.d4 Qe6 24.Qf5 h5 25.Bc4 Qf5 26.Rf5 g4 27.Raf1 h4 28.Rf7 hg3 29.hg3 Rde8 30.Re1 Rh3 31.Kg2 Rh6 32.Rg7 Reh8 33.Rg4 Rh2 34.Kf3 Kb8 35.Rg8 Rg8 36.Bg8 Rh6 37.e4 Rf6 38.Kg2 Rc6 39.Re3 Rc2 40.Kf3 Rc1 41.e5 Rf1 42.Kg2 Rd1 43.e6 Rd2 44.Kf3 Rd4 45.e7 1–0. purplegadge (1680) – rbatiste, gameknot.com, 2014.

3.e3 b5

4.c4 Bb4?? 5.Bg7 (5.cb5?! Nf6=) 5...bc4 6.Bh8 +–.

4.c4 bc4 5.Bc4 (5.Qf3 Nc6 (5...d5 6.Bc4 Nd7 7.a3 c5 8.Bd3 Rb8 9.Bc3+=) 6.a3 Rb8 7.Qg3 f6 8.Nf3 a5 9.Bc4+=) 5...d5 (5...Qh4 6.Bd4= (6.Qb3 Bb7 7.Bf1 Nf6 8.a3 Bd6 9.Qc2+=) 6...Nc6 7.Nf3 Qg4 8.Be2 Qg6 9.a3=) 6.Bb3 (6.Be2 Nf6= 7.Nf3 Nbd7 8.Qa4 c5 9.a3=; 6.Bd3 Nf6 7.Nf3 Nbd7 8.Qa4 c5 9.bc5=) 6...Bb7 (6...Nf6 7.a3= c5 8.bc5 Bc5 9.Nf3=) 7.Nf3 (7.a3 Nf6 8.Ba4 Nbd7 9.Nf3=) 7...Nf6 (7...Bb4?? 8.Bg7 Nf6 9.Bh8+–) 8.a3 (8.Ba4 c6 9.a3=) 8...Nbd7 (8...Bd6 9.Be5=) 9.d4 (9.Ba4 Bd6=) 9...Bd6 10.Nbd2 (10.Nc3 0–0=) 10...0–0 11.Rc1 Re8 12.Ne5 Ne4 (12...Qe7!?=) 13.Ne4+/– de4 14.Nd7 Qd7 15.Qg4 (15.Ba4 c6 16.Qc2+=) 15...f5?? (15...Red8 16.0–0 Bd5 17.Bd5 ed5 18.Qd7 Rd7 19.Rc6=) 16.Qd1?? (better is 16.Qf5! a5 17.b5+/–) 16...Bd5= 17.Ba4 c6 18.Qd2 Rf8 19.Qc2 Rac8 20.Qe2 Qb7 21.f3? ef3 22.gf3–/+ Bb4! 23.Kd1 Be7 24.Rg1 Bf6 25.e4 fe4 26.fe4 Bb3 27.Bb3–/+ Qb3 28.Rc2 e5 29.Rg3 Qe6 30.de5 Be5–+ 31.Be5 Qe5 32.Qc4 Kh8 33.Rcg2 Rcd8 34.Kc2 Rd4 35.Qc6 Re4 36.Qa6 Qf5 37.Qd3? Qc5 38.Kb2 Rb8 39.Ka2 Rd4 40.Qc2 Qd5 41.Rb3–/+ Rd8 42.Qc3?? Qg2–+ 43.Rb2 Qd5 (43...Qd5 44.Qb3 Qa5–+) 0–1. Vahl,Laurens – Van der Eijk,Martijn, NED–ch U16 op, 2000.

4.Nf3 Ra7 5.c4 (5.Bd4 Ra8 (5...Rb7 6.a4 Nf6+= 7.ab5 ab5 8.c3 d6+=) 6.a4 ba4 7.Ra4 Nf6 8.Bd3 Nc6=; 5.a4 Nf6 (5...Nc6 6.Ne5 Nb4 7.ab5 a5 8.Bd4 Rb7+/–) 6.Bd4 Rb7 7.ab5 ab5 8.c3 d6+=; 5.a3 Nf6 6.c4 bc4 7.Bc4 d5 8.Be2 c5=; 5.Be2 Nf6 (5...Rb7 6.0–0 Nf6 7.c3 c5 8.bc5 Bc5+=; 5...Bb7 6.a4 Nc6 7.c3 ba4 8.Ra4 Nf6+=; 5...Nc6 6.a3 Bb7 7.Nc3 Nf6 8.e4 Be7+=) 6.a4 Bb4 7.ab5 Bb7 8.0–0 0–0=) 5...bc4= (5...Bb4?? 6.Bg7 (6.cb5?! Nf6=) 6...bc4 7.Bh8+–) 6.Bc4 (6.Qa4 Bb7 7.Bc4 Bc6 8.Qd1 Rb7=) 6...Rb7 7.a3 (7.Bc3= d5 8.Ba6 Na6=) 7...h5 (7...c5 8.Bc3 d5 9.Be2=) 8.0–0 (8.Qa4 c5+/–) 8...a5 (8...c5 9.Be2+=) 9.b5+/– c6 10.a4 d6 (10...d5 11.Be2+/–) 11.Nc3 (11.Qc2 Ne7+/–) 11...e5 (11...d5 12.Be2+/–) 12.d4 (12.Rb1 Nf6+/–) 12...ed4 (12...e4!? 13.Nd2 d5+=) 13.Qd4 Rh6 (13...Bg4 14.Be2+/–) 14.bc6 (better is 14.Rab1+–) 14...Rb2? (better is 14...Nc6 15.Qd5 Qd7+/–) 15.Nd5+– Rc2 (15...Nc6 16.Qb2 Nge7+–) 16.c7 (16.c7 Qc7 17.Nc7 Kd8 18.Nb5+–) 1–0. Wall,Bill – Ifanoff, internet, 2001.

3.e3 Nf6

4.a3 a5 5.b5 a4 6.c4 Bc5 7.d4 Bb6 8.Nc3 Ba5 9.Bd3 0–0 10.Nge2 d5 11.c5 c6 12.b6 Nbd7 13.f4 Bc3? 14.Bc3 Ne4 15.Bb2 f6 16.0–0+/– e5 17.Be4 de4 18.Ng3 ef4 19.Rf4 Rf7 20.Ne4+– Nf8 21.Nd6 Rd7 22.Qc2 Ne6 23.Rf3 Ng5 24.Rg3 Qe7 25.Re1 Rd6 26.cd6 Qd6 27.Qc5 Qe6? 28.e4!+– Bd7 29.Bc3 Re8? 30.h4?? Ne4= 31.Qb4 Qf5 32.Rf3 Qg4 33.Bb2 Qh4 34.Qa4?? Bg4 35.Rfe3 f5 36.Qb3 Kh8 37.Qf7 Qf2 38.Kh2 Qf4 39.Kg1 Rg8?? 40.Re4!+– Qe4 41.Re4 fe4 42.Qf4 Bh5 43.Qe4 Bg6 44.Qe5 h6 45.d5 Kh7 46.dc6 bc6 47.b7 (47.b7 Bc2 48.b8Q Kg6 49.Qe6 Kg5 50.Qg3 Kh5 51.Qeg4) 1–0. amator111 (1665) – frankfurti, kurnik, 2011.

4.a3 b5 5.c4 Bb7 6.Nf3 Be7 7.cb5+/– ab5 8.Bb5 c5 9.Be2 cb4= 10.a4 0–0 11.0–0 Bf3 12.Bf3 d5 13.d4 Nc6 14.Nd2 Qb6 15.Nb3 Na5 16.Qd3 Nb3 17.Qb3 Ra5 18.Rfb1 Rfa8 19.Bd1 Rc8 20.Ba3 Rb8 21.Rb2? Ne4 22.Rab1 Nc3 23.Rc1?? Na4 24.Rcb1?? Nb2 25.Rb2 ba3 26.Qb6 Rb6 27.Rb6 a2 0–1. carocan (1720) – kelcyraole, kurnik, 2011.

4.a3 c5 5.bc5 Bc5 6.c4 Nc6 7.Nc3 0–0 8.Nf3 b6 9.Qc2 Bb7 10.Na4 Be7 11.Rb1 Qc7 12.Nb6!+/– Qb6 13.Bf6 Qb1?? 14.Qb1+– Bf6 15.Qb7 Rab8 16.Qd7 Rb1 17.Ke2 Na5 18.Qc7 Nb3 19.d4 Nc1 20.Kd2 Na2 21.e4 Rb2 22.Ke3 Rfb8 23.c5 g5 24.Bc4 Nc3 25.c6 Nb5 26.Qb8 Kg7 27.c7 (27.c7 Nc7 28.Qb2+–) 1–0. pereira – oppo, internet, 2009.

4.a3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6).

4.a3 Be7 5.Nf3 b5 6.c4 bc4 7.Bc4 Bb7 8.0–0+= 0–0 9.d3 d6 10.Nbd2 Nbd7 11.Bb3 c5 12.Rb1 cb4 13.ab4 d5 14.Ba2 Bc6 15.Ne5 Ne5 16.Be5 Bb5 17.Nf3 Nd7 18.Re1 Ne5–/+ 19.Ne5 Qc7 20.d4=+ Bd6 21.Nf3 Qe7 22.Qd2 Rac8 23.Rb2 Rc7–/+ 24.Reb1 Rfc8 25.g3 h6 26.Ne1 Rc3 27.Rb3 R3c7 28.Nd3?? Rc2–+ 29.Rc1 Rd2 30.Rc8 Kh7 31.Nb2 Bb4 32.Kg2 a5 33.Bb1 f5 34.g4 Qg5 35.h3 Qh4 36.Nd3 Bd3 37.Rd3 Qf2 (37...Qf2 38.Kh1 Qf1#) 0–1. Dreyer – Fauth,D, Frankfurt a Main GER, 1987.

3.Nf3 b5

4.a3 Bb7 5.e3 Nf6 6.Be2 c5 7.bc5 Bc5 8.0–0 Qc7 9.d3 Rg8 (9...0–0 10.Bf6 gf6 11.a4=) 10.d4 Ba7 (10...Bd6 11.Ne5=) 11.Nbd2+= Nc6 12.c4 bc4 13.Bc4 Na5 (13...Rb8 14.Rb1+=) 14.Ba2 (14.Bd3 Rc8+/–) 14...Bb8 15.Rc1 Qd6 16.Qa4 Nc6 17.Qd1 (17.e4 Qf4+/–) 17...Ng4 (17...Na5!?= The pressure on h2 grows) 18.h3 Nf6 (18...Nh2 19.Re1 Nf3 20.Nf3+= (20.Qf3 Nd4 21.Rc8 Ke7 22.Re8 Re8–+)) 19.Qe2 (19.e4 Qf4 20.e5 Nh5+/–) 19...Nd5 (19...g5 20.e4 g4 21.e5 gf3 22.Nf3= (22.ed6?? Rg2 23.Kh1 fe2–+)) 20.Nc4 (20.Ne4 Qe7+/–) 20...Qc7 (20...Qe7 21.Qd3+=) 21.Qd3 (21.Nce5 Qd6+/–) 21...g6 (21...f5 22.Nce5 Qd6 23.Rc2+/–) 22.Ng5?? (better is 22.Nce5+/–) 22…Qh2# 0–1. FatMaHa – kingsknight59, ChessWorld.net, 2005.

4.e3 Bb7 (--> 1.b4 b5 2.Bb2 Bb7 3.e3 a6 4.Nf3 e6).

4.e3 Nf6 5.a4 ba4 6.Ra4 c6 7.c4 d6 8.d4 Bd7 9.Nc3 c5 10.b5 Qb6 11.dc5 dc5 12.Bd3 Ra7 13.Qa1 Bd6 14.0–0 0–0 15.Ra3 Bc7? (better is 15...Bc8+/–) 16.Na4+– Qd6 17.b6 Bb6 18.Nb6 Qb6 19.Bf6 gf6 20.Qf6 Qd8 (20...Rd8 21.Bh7 Kf8 22.Rd1+–) 21.Bh7! Kh7 (21...Kh7 22.Ng5 Combination) 22.Ng5 Kg8 23.Qh6 Qg5 24.Qg5 Kh8 25.e4 f6 (25...e5 26.Qh6 Kg8 27.Rg3 Bg4 28.Rg4#) 26.Rh3# 1–0. Fournier,Frederic (2445) – Bullofthewest, Chessworld.net, 2012.

3.Nf3 Nc6

4.a3 d5 5.g3 Nf6 6.Bg2 Bd6 7.d3 b5 8.Nbd2 Bb7 9.0–0 0–0 10.Re1 Re8 11.e4 e5 (better is 11...de4!? 12.de4 e5=) 12.ed5+/– Nd5 13.c4 Nf6 14.c5 Bf8 (14...Be7!?+/–) 15.Ne5 Ne5 16.Bb7 (worse is 16.Re5 Bg2 17.Kg2 Qd3+=) 16...Nd3 (16...Ra7 17.Bg2 Nd3 18.Re8 Qe8 19.Bf6 gf6 20.Ne4+–) 17.Re8+– Ne8 18.Ba8 Nb2 19.Qc2 Qa8 20.Qb2 Qd5 21.Nf1 Nf6 22.Qd2 Qe5 23.Re1 Ne4?? (23...Qf5+–) 24.Qe3 1–0. Beltyukov,Denis – Nikolaev,Peter, Samara op, 2008.

4.a3 Nge7 5.e3 Ng6 6.c4 Nce7 7.Be2 Nf5 8.0–0 d6 9.d3 e5 10.Nbd2 Nfh4 11.Nh4 Nh4 12.Nf3 Nf3 13.Bf3 Be7 14.d4 Bf6 15.de5 Be5 16.Be5 de5 17.Qd8 Kd8 18.Rfd1 Ke7 19.c5 c6 20.Rd6 f5 21.Rad1 e4 22.Be2 Be6 23.f3 Bd5 24.fe4 fe4 25.Bg4 Rhd8 26.Rd8 Rd8 (worse is 26...Kd8 27.Be6 Kc7 28.Bd5 cd5 29.Rd5+/–) 27.g3 g6 28.h4 h5 29.Be2 Rf8 30.Rf1 Rf5? (better is 30...Rf1!? 31.Kf1 Be6=) 31.Rf5+/– gf5 32.Bh5 Kf6 33.Be2 Kg7 (better is 33...Be6+–) 34.Bh5 Kh6?? (34...Kf6 35.g4 Ke5+–) 35.Be8 Be6 36.Kf2 Kg7 37.h5 Kf8 38.Bg6 Ke7 39.Ke2 Kd8?? 40.Kd2 Kc7?? 41.Kc3 b6 42.Kd4 bc5 43.Kc5 Bd5 44.Bf5 Kd8 45.h6 Ke7 46.g4 Kf6 47.h7 Kg7 48.g5 Bf7 49.g6 Be8 50.Be4 Bd7 51.Bc6 Bf5 52.Kb6 Bg6 53.Ka6 Bh7 54.Kb6 Bc2 55.a4 Kf6 56.a5 Ke5 57.a6 Kd6 58.b5 Bd3 59.a7 Ke5 60.a8Q Ke6 61.Qe8 Kf6 62.e4 Be4 63.Be4 Kg5 64.Qf8 Kg4 65.Qf3 Kg5 66.Qf5 Kh6 67.Kc6 Kg7 68.Bd5 Kh6 69.Kd6 Kg7 70.Ke7 Kh6 71.Bf3 Kg7 72.Qg5 Kh7 73.Kf7 Kh8 74.Qh6 (74.Qh4) 1–0. Fournier,Frederic (1775) – wantmoe (1655), Active (5/0), 2005.

3.Nf3 Nf6

4.a3 b5 5.e3 d5 6.a4 c6 (6...Bb4 7.ab5 0–0 (7...Bd6 8.Be5 0–0 9.d4 Be5 10.Ne5 Ne4=; 7...Bb7 8.ba6 Na6 9.Bf6 gf6 10.Nd4 Qc8+=; 7...c6 8.Be5 Bd6 9.d4 0–0 10.Nbd2 cb5=) 8.Be2= c6 9.bc6 Nc6 10.0–0 Qe7=; 6...ba4 7.Ra4 c5 (7...Nbd7 8.b5 Nb6 9.Ra2 a5 10.Be2 a4=; 7...Bd7 8.b5 c5 9.Be5 Be7 10.Nc3 0–0=) 8.bc5 Bc5 9.Be5 Nc6 10.d4 Be7=) 7.ab5 (7.c3= Bd7 (7...Bb7 8.d4 Bd6 9.Bd3 Nbd7 10.0–0 Nb6=; 7...Qb6 8.Be2 ba4 9.Qa4 Bd6 10.d4 0–0=; 7...ba4 8.Qa4 Bd6 9.c4 dc4 10.Na3 0–0+=) 8.ab5 cb5 9.Be2 Bd6 10.0–0 0–0=; 7.Be5 Bb4 8.ab5 cb5 9.Bb5 Bd7 10.Be2 a5=; 7.Bc3 ba4 8.Ra4 c5 9.bc5 Bc5 10.Be5 Nc6=; 7.Ne5 Bb4 8.ab5 Qb6 9.Nc3 Bc3 10.Bc3 cb5=) 7...cb5 (7...Bb4!? 8.Be5 cb5 (8...Bd6= 9.d4 0–0 10.Nbd2 cb5=) 9.Bb5 Bd7 10.Be2 a5=) 8.Bb5+= Bd7 9.Bd7 Qd7 (9...Nbd7!? 10.c3 Bd6+=) 10.Bf6+/– gf6 11.c3 Bg7 (11...Nc6 12.0–0+/–) 12.0–0 0–0 (12...Rg8 13.Nd4+/–) 13.Qe2 Nc6 (13...f5 14.Ng5+–) 14.Ra6 Qb7 15.Ra8 Ra8 16.b5 (16.e4 Ne7 17.Re1 f5 18.ed5 Nd5+–) 16...Na5 (16...Na7 17.Nd4+–) 17.Nd4 Nc4 (17...f5 18.Na3+–) 18.d3 Nd6 19.c4 Qc7 (19...f5 20.Rc1+–) 20.cd5 Ra5 (20...ed5 21.Qh5 Qc5 22.Nd2+–) 21.Qd2 (better is 21.de6 fe6 22.Ne6+–) 21...Nb5 (21...f5+–) 22.Rc1 (22.de6?! Nd4 23.ef7 Kf7 24.ed4 f5+–) 22...Qb6 (22...Qc1 23.Qc1 Nd4 24.ed4 Rd5 25.Qc8 Bf8+–) 23.Rc8 Bf8 24.Qb4 (24.Qb4 Qd6 25.Qa5 Nd4 26.ed4+–) 1–0. gtate (2655) – bigal (2160), net–chess.com, 2007.

4.a3 b5 5.e3 d6 =.

4.a3 b5 5.g3 Bb7 6.Bg2 Be7 (6...c5 7.d3=) 7.0–0 d6 8.d3 Nbd7 (8...0–0 9.c4=) 9.e4 (9.a4 Qc8+=) 9...e5 (9...0–0 10.Qc1=) 10.Nbd2 (10.a4 c5=) 10...0–0 11.Nb3 Bc8 12.Qe2 (12.d4 c5 13.bc5 Qc7+/–) 12...Re8 (12...Nb6 13.d4 Na4 14.de5 Nb2 15.ef6 Bf6 16.e5 de5 17.Ne5+/–) 13.c4 (13.a4 c6+=) 13...c6 (13...Nb6 14.c5 Na4 15.Rac1+=) 14.Rac1 Nf8 (14...bc4 15.dc4 Bf8 16.Qd3+=) 15.cb5 cb5 16.d4 (16.Na5 Ng6+/–) 16...Be6 (16...ed4 17.Rfd1+/–) 17.d5 (17.Na5!? ed4 18.Nd4+– (18.Bd4?! Rc8+=)) 17...Bd7 18.Na5 Qb6 19.Rc2 Rac8 20.Rfc1 Rc2 21.Rc2 Ng6 22.Bc1 Rc8 23.Rc8 Bc8 24.Qc2 Bd7 25.Be3 Qb8 26.h3 Qc8 27.Qc8 Bc8 A minor pieces endgame occured 28.Nd2 Nh5 29.Bb6 Kf8 30.Bf3 Nf6 31.Kg2 h6 32.Bc7 Ne8 33.Bb6 Bg5 34.Nb1 Bc1 35.Bg4 Ne7 36.Bc8 Nc8 ½–½. Salazar Bernard,JI – Rodriguez Bernardo,G, Orense op 9th, 2000. (=1.Nf3 Nf6 2.b4 a6 3.Bb2 e6)

4.a3 b6 5.c4 Bb7 6.e3 c5 7.bc5 bc5 (7...Bc5 8.d4 (8.Nc3 Be7 9.Rb1 d6 10.d4 Qc7 11.Bd3 0–0) 8...Be7 (8...Bf8 9.Nbd2 Be7 10.Bd3 d5 11.cd5 Nd5; 8...Bd6 9.Bd3 Qc7 10.Nc3 0–0 11.e4 Be7) 9.Bd3 0–0 10.0–0 d5 11.cd5 Qd5) 8.g3 (8.Be2 Nc6= (8...d5 9.cd5 ed5 10.0–0 Bd6 11.Nc3 0–0; 8...Be7 9.d3 0–0 10.0–0 Nc6 11.Nbd2 Rb8; 8...Bd6 9.0–0 0–0 10.d4 Bf3 11.Bf3 Nc6) 9.Nc3 Rb8 10.Rb1 Be7 11.0–0 0–0; 8.Nc3 d5 9.cd5 ed5 10.Rb1 Bd6 11.Be2 0–0; 8.Bd3 d5 (8...Be7 9.Nc3 Nc6 10.0–0 Rb8 11.Rb1 0–0; 8...Nc6 9.0–0 Be7 10.Nc3 Rb8 11.Qc2 0–0; 8...d6 9.0–0 Be7 10.Nc3 0–0 11.Rb1 Nc6) 9.cd5 ed5 10.0–0 Bd6 11.Qa4 Nbd7) 8...d6 (8...Nc6 9.Bg2= Be7 10.0–0 Rb8 11.d3 0–0; 8...d5 9.cd5 ed5 10.Bg2 Bd6 11.0–0 0–0; 8...Be7 9.Bg2 d5 10.cd5 ed5 11.0–0 0–0) 9.Bg2 Be7 10.Nc3 (10.d3 Nbd7 11.Nbd2 Rb8) 10...0–0 (10...Nbd7 11.0–0 Rb8) 11.0–0 Qc7 (11...Nc6=) 12.d3 Nc6 13.Qc2 Nd7 14.Rab1 Nce5 (14...Rfb8 15.Ne4=) 15.Ne5 Bg2 (15...Ne5 16.Bb7 Qb7 17.Ne4=) 16.Kg2 (16.Nd7!? Bf1 17.Nf8+/–) 16...Ne5= 17.f3 (17.f4 Qc6 18.Kh3 Nd7=) 17...f5 18.Ne2 Bf6 19.Nf4 Qf7 20.Ne2 g5 (20...Rab8 21.Be5 Be5 22.d4 cd4 23.ed4=) 21.d4 Ng6 (21...cd4 22.ed4 (worse is 22.Nd4 Rac8–/+) 22...Nc6 23.Rfe1=) 22.f4 (22.dc5 dc5 23.Bf6 Qf6=) 22...Qb7 (22...Rab8 23.fg5 Bg5 24.Qd3=) 23.d5+= Qf7 (23...Bb2 24.Rb2 Qe7 25.Qd2+=) 24.fg5 (24.de6 Qe6 25.Bf6 Qf6+/–) 24...Bb2 25.Rb2 ed5 26.cd5 (26.Rd1!?=) 26...Qd5+= 27.Kg1 Qe5 (27...Ne5 28.Nf4 Qe4 29.Qe2=) 28.Qd2 (28.Rb3 Qe6=) 28...Rad8 (28...Rfe8 29.Rb3=) 29.Kf2 (29.Nf4 Rb8 30.Rb8 Rb8=) 29...d5 30.Qc3 d4 31.ed4 cd4 32.Qd3 f4 33.gf4 Nf4 34.Nf4 Rf4 35.Kg2 Qg5 36.Qg3?? Rg4–+ 37.Rf3 Rf8 38.Rbb3?? Rff4 39.h3? Rf3–+ 40.Rf3?? Rg3 41.Rg3 Qg3 42.Kg3 Kf7 43.Kf3 Kf6 44.Ke4 ½–½. Satka,Martin – Mueller,Guenter(31Ludw), 9sen.Brandenburg op, 2000.

4.a3 d5 5.e3 =.

4.a3 d6 5.Nc3 b5 (5...d5 6.Rb1=) 6.e4 Bb7 7.d3 c5 8.bc5 (8.Be2 d5 9.e5 Nh5=) 8...dc5 9.Be2 Nc6 10.0–0 (10.e5 Nd7=) 10...Qc7 11.Re1 Rd8 12.Qc1 (12.Qb1 Bd6+=) 12...Be7 (12...Nd4 13.Bd1+=) 13.a4 (13.Rb1 0–0+=) 13...b4 14.Nd1 a5 (14...Nd4 15.Ne3+=) 15.Ne3 0–0 16.Nc4 h6 (16...Nd4 17.Nd4 cd4 18.Qg5+=) 17.h3 (17.Nfe5 Nd4=) 17...Ba6 18.Nfe5 Bc4 19.Nc4 Nd4 20.Qd2 (20.Qd1 Bd6=) 20...Nc6 (20...Bd6 21.Rab1+=) 21.e5 (21.Qe3 Rfe8=) 21...Nd7 (21...Nd5 22.Bf3=) 22.Qf4 (22.Qe3 Nb6=) 22...Bg5 (22...Nb6 23.Nb6 Qb6 24.Qg3=) 23.Qe4 Be7 (23...Nb6 24.Nb6 Qb6 25.f4+=) 24.Bf3+= Ncb8? (better is 24...Ndb8+=) 25.Qa8 (25.Qb7 Qb7 26.Bb7 h5+–) 25...f6 (25...Nb6 26.Qa5 N8d7 27.Qb5+–) 26.ef6 Bf6 27.Bf6 Nf6 28.Qa5 Qa5 29.Na5 Rde8 30.Nb7 Nfd7 31.a5 e5? 32.a6 Nb6 33.a7 N8d7 34.Ra5 c4 35.Nd6 Re6 36.Nc4 Nc4 37.a8Q Ra8 38.Ra8 Kh7 39.dc4 (39.dc4 Rd6 40.Be4 g6 41.Ra7+–) 1–0. Wall,Bill – Wang,Willy, internet, 2003.

4.a3 Bd6 5.Nc3 (5.e4 Ne4 6.Bg7 Rg8=) 5...0–0 (5...Nc6 6.e4+=) 6.d4 a5 7.b5 c6 (7...Be7 8.e4+=) 8.e4 Bf4 (8...Be7 9.e5 Nd5 10.Ne4+=) 9.Bd3 (9.e5 Nd5+=) 9...d5 (9...d6 10.Ne2 Bh6 11.e5 de5 12.de5+=) 10.e5 Ng4? (better is 10...Nfd7+=) 11.g3+– Bg5? (11...Bh6+–) 12.Ng5 Qg5 13.f4 Qh5 14.h3 f5 15.Kd2 Nf6 16.ef6 Qd1 17.Rad1 Rf6 18.g4 cb5 19.Nb5 fg4 20.hg4 Rf4 21.Bh7 Kf8 22.a4 Nc6 23.Ba3 Nb4 24.c3 Rf2 25.Ke3 Rg2 26.Rdf1 Ke7 27.Bg6 Rg3 28.Kf4 Rg2 29.Kg5 Kd7 30.cb4 Kc6 31.ba5 Ra5 32.Rc1 Rc2 33.Rc2 Kd7 34.Rc7 Kd8 35.Be7# (35.Rh8#) 1–0. wiking – SAND0KAN, internet, 2010.

4.a3 Be7 5.e3 0–0 6.Be2 b6 7.0–0 Bb7 8.c4 c5 9.Qb3 (9.bc5 bc5 10.Qc2 d6=) 9...Qc7 (9...Nc6 10.bc5 bc5 11.Qc2= (worse is 11.Qb7 Na5 12.Qa8 Qa8–+)) 10.d4 (10.d3 Nc6=) 10...cd4 (10...cb4 11.ab4 Nc6 12.Bc3=) 11.Nd4 d6 (11...Nc6 12.Nd2=) 12.Nd2 Nbd7 (12...Nc6 13.f4=) 13.Rac1 Rfe8 (13...Rac8 14.f4=) 14.N2f3 (14.Bf3 Rac8=) 14...Rac8 (14...Ne4 15.Qc2=) 15.Rfd1 Qb8 (15...Bf8 16.Nd2=) 16.a4 (16.Ng5 h6 17.Ngf3 Red8=) 16...d5 (16...a5 17.Nb5=) 17.cd5 (17.Ba1 dc4 18.Rc4 Bd5 19.Rc8 Rc8=) 17...Bd5 18.Bc4?? (18.Qa3 a5 19.Bc3 Red8=) 18...Bc4?? (better is 18...Rc4 19.Rc4 b5 20.Nb5 ab5 21.ab5 Qb5 22.Rd5 ed5–+ (22...Nd5?! 23.Nd4 Qb6 24.Nc6–+)) 19.Rc4= Ng4?? 20.Nc6+– Qb7?? 21.Rdc1 b5?? 22.Ne7 (22.Ne7 Re7 23.Rc8 Nf8 24.Qd3+–) 1–0. StephenHilton – kostovist, internet, 2006.

4.a3 h6 5.d3 Nc6 6.e4 d6 7.Be2 Be7 8.0–0 b5 9.c4 bc4 10.dc4 Bb7 11.Nbd2 0–0 12.Qc2 Rc8 13.Rfd1 Nh5 14.g3 Bf6 15.Bf6 Nf6 16.Nb3 Qe7 17.Rac1 Ne5 18.Ne5 de5 19.f3 Rfd8 20.c5 Rd1 21.Rd1 Rd8 22.Kf2 Rd1 23.Qd1 g5 24.h3 Kg7 25.Ke3 a5? 26.Bc4 ab4+= 27.ab4 Qe8 28.Na5 Ba8 29.b5 h5? 30.c6 Qe7+/– 31.Qb3 Qc5 32.Ke2 g4 33.hg4 hg4 34.Qe3 Qb4 35.Qd2?? gf3–+ 36.Kf3?? Qa3 37.Ke2?? Ne4–+ 38.Qe3 Nc3 39.Kf3?? Qa5?? 40.Qg5= Kf8 41.Qe5?? Nd5! 42.Bd5 ed5 43.Qd5 Qc3–/+ 44.Kf2 Qf6 45.Kg2 Qb2 46.Kh3 Qh8 47.Kg4 Qg7 48.Kf3 Qf6 49.Kg2 Qb2 50.Kf3 Qc2 51.Kg4 Qg6 52.Kf3 Kg7 53.Kg2 Qc2 54.Kh3 Qh7 55.Kg2 Qc2 56.Kh3 Qh7 57.Kg2 Qc2 ½–½. bratek55 – cioculet, kurnik, 2011.

4.h3 Bb4–/+ 5.Bf6 Qf6 6.c3 Be7 7.e4 e5 8.h4 (8.d4 ed4 9.e5 Qe6 10.cd4 d5–/+) 8...h6 9.Qa4 (9.d3 d6–+) 9...0–0 10.Na3 (10.d4 ed4 11.Qd4 Re8–+) 10...Qc6 (better is 10...Qf4–+) 11.Qc2?? (11.Qc6 Nc6 12.Nc2 b6–/+) 11...d6 (better is 11...Ba3!? 12.Ne5 Qe6 13.Nc4–+) 12.c4 (12.Nc4 Re8–/+) 12...Bg4 (12...f5 13.Bd3–+) 13.Be2 (13.Nb1 Qd7–+) 13...Bf3 (13...f5!? 14.ef5 Bf5 15.Qb3–+) 14.Bf3 Nd7 15.Nb1 Nb6 16.Na3 Qa4 17.Qc3 Qd7 18.h5 f5 19.0–0–0? Rab8 20.ef5–/+ Rf5 21.Bg4+= Na4 22.Qd3 Rbf8= 23.Bf5 Rf5 24.f3 Nc5 25.Qc2 Rf4 26.Nb1 Qe6 27.Na3 b5 28.d3 Rd4 29.cb5 ab5 30.Nb5 Bg5 31.Kb1 Rb4 32.Ka1 Rb5 33.g4 Be3 34.Rb1 Rb1 35.Rb1 Bd4 36.Rb2 Qe7 37.Kb1 Bb2 38.Qb2 Qf6 39.Qb8 Kh7 40.Qc7 Nd3 41.a4 Qf3 42.Qc2 Qb7 43.Ka1 e4 44.a5 Qb5 45.Qa2 0–1. pinecrest1981 – tfjv, Live Game Caissa's Web, 2004.

4.a3 c5

5.c3 c4 6.e3 (6.d3 cd3 7.ed3 d5=) 6...b5 (6...d5 7.d3 cd3 8.Bd3=) 7.a4 Bb7 8.ab5 (8.Na3 Qb6=) 8...ab5 9.Na3 Bc6 10.Ne5 Qb6 11.Nc6 Nc6 (better is 11...Qc6 12.d3 d5=) 12.Nc4+/– Ra1 13.Nb6 Rd1 14.Kd1 Ne4 (14...Na7 15.Be2 Kd8 16.Na8+=) 15.Ke1 Nd6 16.d4 (16.Na8 Kd8 17.d4 Kc8+=) 16...Be7 (16...Kd8 17.d5 Nb8 18.c4 bc4 19.Nc4 Nc4 20.Bc4 Bb4 21.Ke2+/–) 17.e4! f6 (17...Ne4 18.Bd3 Double attack (18.Bb5 Deflection; 18.Bd3 Decoy)) 18.d5 (18.Na8 Kd8 19.f4 Kc8+/–) 18...Nb8 (18...Bd8!?+/–) 19.f3 (19.Bd3 Bd8 20.Na8 Kf7+–) 19...0–0 (19...Bd8 20.Na8+–) 20.de6 (20.Bc1 Bd8 21.Na8 Na6+–) 20...de6+/– 21.g3 (21.Bc1!?+/–) 21...Bd8+= 22.Na8 Nc4? (better is 22...Rf7 23.Bh3 f5 24.ef5 Ra7 25.fe6 Ra8=) 23.Bc4+– bc4 24.Ke2 Rf7 (24...Nc6 25.Rd1 Ba5 26.Rd6 (26.ba5?! Ra8 27.Ke3 Ra5=) 26...Ra8 27.Rc6 (27.ba5?! Na5 28.Re6 Nb3=) 27...Bb4 28.Rc4+/–) 25.Rd1 Nc6 1–0. Bonetti,Shane – guest1597, ICC, 2002.

5.c3 Nc6 6.g3 d5 7.Bg2 c4 8.0–0 Be7 9.a4 0–0 10.d3 Qc7 11.Nbd2 Na7 12.dc4 dc4 13.Qc2 Bd7 14.a5 Rac8 15.Rfd1 Bb4 (better is 15...Nb5=) 16.Nc4?? (better is 16.cb4 c3 17.Qc3 Qc3 18.Bc3 Rc3 19.Ne4+/–) 16...Bc3?? (better is 16...Qc4 17.Ne5 Qc7 18.Nd7 Nd7+=) 17.Qc3+– (17.Bc3?! Qc4 18.Ne5 Qc3 19.Qc3 Rc3 20.Nd7 Nd7 21.Rd7 Nc6 22.Rb7 Rc5=) 17...Qc4 18.Qe3 Ng4 19.Qa7 Qe2 20.Qd4 f6 21.Qg4 Qb2 22.Rab1 f5 23.Qf4 Qa2 24.Ra1 Qb2 25.Qd6 Rfd8 26.Ne5 Rc2 27.Qe6!! (27.Qe6 Kh8 28.Nf7 Kg8 29.Nh6 Kh8 30.Qg8 Rg8 31.Nf7) 1–0. Wuersig,Mathias – Schoenemann,Manfred (1805), Berlin Lichtenberger op 7th, 2008.

5.bc5 Bc5

6.c4 Qb6 7.Qc2 Bf2 8.Kd1 Bc5 9.Bf6 gf6 10.Nc3 Nc6 11.Ne4 Ke7 (11...Be7 12.Qc3+=) 12.Rb1 (12.e3!? Qa5 13.Qb2+=) 12...Qa5= 13.Qb2 e5 Exerts pressure on the isolated pawn 14.Qb3 (better is 14.Nc5!? Qc5 15.e4+=) 14...Qa3–/+ (14...Ba3 15.Ra1 Qb4 16.Ra3 Qb3 17.Rb3+/–) 15.Nc5 Qc5 16.e3 e4 17.Ne1 Ne5 18.Be2 Rd8 19.Nc2 d5 20.cd5 Qd5 21.Qa3 (21.Qb4 Qd6–+) 21...Qd6 22.Qc3 b5 23.Nd4 Be6 24.Ke1 Rac8 25.Qa5 Nc6 26.Qa6 Nd4 27.Qd6 Rd6 28.ed4 Bc4 (28...Rd4!? 29.Bb5 Rc2 30.Kf2–+) 29.Bc4 Rc4 30.Ke2 b4 31.Rb2 Rcd4 32.Ra1 f5 33.Ra5 f4 (33...Rg6 34.Kf1–+) 34.Rb5 f3! 35.gf3 ef3 36.Kf3 Rd2 37.R2b4 (better is 37.R5b4!? Rb2 38.Rb2–/+) 37...Rh2–+ 38.Rb7 Kf8 (better is 38...Rd7!?–+) 39.Rf4–/+ f6 40.Kg3 Rh5 41.Ra4 Re6 42.Raa7 Rg5 43.Kf4 h6 (better is 43...h5!?–/+) 44.Rh7= Rg8 ½–½. Morgenstern,Frank – Vonhoff,Joerg, Blankenburger op–B, 2007.

6.d4 Be7 7.Nbd2 d5 8.e3 0–0 9.Bd3 Nc6 10.0–0 b5 11.e4 de4 12.Ne4 Nd5 13.c4 bc4 14.Bc4 Rb8 15.Rb1 Qc7 16.Bd5 ed5 17.Ng3 Na5 18.Qd2 Nc4 (18...Nc4 19.Qc2 Be6–/+) 0–1. ramoschessbrasil (2480) – acidtest, net–chess.com, 2011.

6.e3 0–0 7.c4 g6 8.Nc3 d5 9.Qc2 Nc6 10.d4 Be7 11.Bd3 dc4 12.Bc4 b5 13.Bd3 Bb7 14.0–0 Rc8 15.Qe2 Qc7 16.Rfc1 Ng4 17.Ne4 Qd8 18.Nc5 Bc5 19.Rc5 Na5 20.Rc8 Qc8 21.Rc1 Qd7 22.Nd2 f5 23.f3 Nf6 24.e4 Re8 25.Qf2 Nh5 26.Qe3 Nc6 27.Nb3 Nf6? (better is 27...e5 28.d5 Nd8+–) 28.Nc5+– Qc8 29.Nb7 Qb7 30.d5 Nd5 (30...ed5 31.Bf6 fe4 32.fe4 Re6+–) 31.ed5 Na5 (31...Qa7 32.Qa7 Na7+–) 32.Qe5 Qd5 (32...Re7+–) 33.Qg7 1–0. Fournier,Frederic (1990) – Cutedorange, Active, 2007.

6.e3 b5 7.c4 bc4 8.Bc4 (8.Bc4 d5 (8...Nc6 9.Qc2 Rb8 10.0–0 Be7 11.Bf6 Bf6=) 9.d4= Bd6 10.Bd3 Nc6 11.Qc2 Bb7=). lasker (2265) – buba12 (2045), internet, 2008.

6.Be5 Nc6 7.d4 Be7 8.Nbd2 0–0 9.e4 Ne4?? (better is 9...d6 10.Bf6 Bf6+=) 10.Ne4+– Qa5 (10...d5 11.Ned2+–) 11.Qd2 Qd8 (11...Qb6 12.c4 Ne5 13.de5 Ba3 14.Ra3 Qb1 15.Qd1 Qe4 16.Re3+–) 12.Bd3 d5 13.Neg5 g6 14.Bf4 (14.Nh3!? Ne5 15.de5 f6+–) 14...f6+/– 15.Nh3 g5 16.Bg3 (better is 16.Bg5!? fg5 17.Nhg5+/–) 16...g4+= 17.Qh6 Rf7 18.Nhg1 gf3 19.Nf3 e5 (better is 19...Qb6!?+=) 20.de5+= fe5 21.Be5 Ne5 22.Ne5 Bg5 (22...Qa5!? 23.Ke2 Rg7+=) 23.Qh5+/– Qa5?? (better is 23...Rg7+/–) 24.Kf1+– Rg7 (24...Rc7 25.Qg5 Rg7+–) 25.Qe8 1–0. Yannick – Tiit145, playchess.de, 2005.

2.Bb2 Na6

3.a3 d5 4.e3 +=.

3.a3 Nf6 4.e3+= b6 (4...Nb8 5.Nf3=) 5.c4 (5.Qf3 Rb8+=) 5...Be7= 6.d4 (6.Nf3 0–0=) 6...0–0 (6...Bb7 7.Nf3+=) 7.Nf3 (7.Bd3 d5=) 7...Ne4 (7...Bb7 8.Bd3+=) 8.Bd3+= Bb7 9.0–0 Ng5 (9...f5 10.Nfd2+=) 10.Nbd2 (10.Ng5 Bg5 11.f4 Be7+/–) 10...Nf3+= 11.Nf3 g6 (11...f5 12.c5+=) 12.e4 (12.Bc3 c5 13.Rb1 Bf6+/–) 12...d5 (12...Nb8 13.Bc1+/–) 13.cd5 (13.ed5 ed5 14.c5 Re8+/–) 13...ed5 14.e5 (14.Re1 Nb8+/–) 14...Bc8 (14...c5 15.dc5 bc5 16.bc5 Nc5 17.Re1+=) 15.Nd2 (15.b5 Nb8+/–) 15...Nb8 (15...c5 16.dc5 bc5 17.Qa4+=) 16.f4 (16.Qc2 c6+/–) 16...a6 (16...c5 17.f5 Bf5 18.Bf5 gf5 19.bc5 bc5 20.Rf5+=) 17.f5 Qe8 (17...Bg5 18.Qe2+/–) 18.fg6 (18.f6 Bd8+–) 18...fg6 19.Rc1 (19.Rf8 Bf8 20.Qf3+=) 19...Nc6 (19...c6 20.Qc2+=) 20.Rf8 (20.Qb3!? Be6+–) 20...Qf8?? (better is 20...Bf8 21.Qc2 Bd7+/–) 21.Rc6+– 1–0. Wall,Bill – Babinba, internet, 2004.

3.b5 Bc5?? 4.Nc3 (better is 4.Bg7 Nf6 5.Bh8 Nb4+–) 4...Qf6?? (better is 4...Nb8+/–) 5.Rb1 (better is 5.Nf3 b6 6.ba6 Ba6 7.Nb5 Qb2 8.Nc7 Kf8 9.Na6+–) 5...Bf2# (5...Qf2#) 0–1. De Oliveira,GM – Rebelo,YC, Juiz de Fora BRA, World Schools Ch U09b, 2014.

3.b5 Nb4

4.a3 Nd5= 5.e4 Nb6 6.a4 a5 (6...d5 7.a5 Nd7 8.ed5 ed5 9.Qe2 Ne7 10.Nf3=) 7.Nf3 (7.ba6!? Qh4 8.Bd3+/–) 7...Nf6+= 8.c4 (better is 8.e5!? Nfd5 9.Be2+=) 8...Ne4–/+ 9.Bd3 Ng5 (9...d5 10.cd5 Qd5 11.Qc2–/+) 10.0–0+= Bc5 (10...d5 11.cd5 Nd5 12.Re1+=) 11.Be2 (11.Ne1 d5 12.cd5 ed5 13.Bg7 Rg8+=) 11...c6 (11...0–0 12.Qc2–/+) 12.d4 (12.Ng5 Qg5 13.d4 Bb4+=) 12...Bb4 (12...Nf3 13.Bf3 Bb4 14.c5+=) 13.Ng5 Qg5 14.f4 Qh6 (14...Qf6 15.Qc2+=) 15.Nc3= g5 (15...d6 16.Na2 0–0 17.Bd3=) 16.fg5 (16.c5 Bc3 17.Bc3 Nd5 18.fg5 Qg5+=) 16...Qg5= 17.Ne4 (17.Bc1 Qg7 18.Ne4+=) 17...Qh6 (17...Qe3 18.Nf2 cb5 19.ab5 d5=) 18.Bh5?? (18.d5 Rf8 19.Nf6 Ke7 20.dc6 dc6 21.Nh7 Bc5 22.Kh1+–) 18...d5?? (better is 18...Qe3 19.Nf2 Nc4–/+) 19.Bc1 (better is 19.Rf7!? de4 20.d5 Bc5 21.Kh1 ed5 22.Bh8 Qe6+–) 19...Qg7 20.Bf7?? Kd8+= 21.Bg5 Kc7?? 22.Bf6+– Qf7 23.Be5 Kd8 24.Rf7 Rg8 25.Bc7 Ke8 26.Qh5 Be7 27.Rg7 Kd7 28.Re7! Ke7 29.Qh7 Ke8 30.Nd6 Kf8 31.Rf1# 1–0. Trkn – blazex, itsyourturn.com, 2000.

4.a3 Nd5= 5.e4 Ndf6 6.Nf3 (6.Nc3 d5=) 6...Bc5 (better is 6...Ne4!? 7.Be2 d5+=) 7.d4+= Bb6 8.Nbd2 (better is 8.Bd3+/–) 8...Ne4? (better is 8...d5 9.e5 Nh5+=) 9.Ne4+– d5 10.Nc3 h5 (10...Ne7 11.Bd3+–) 11.Be2 Rh6 (11...h4 12.0–0+–) 12.Bc1 Rf6 (12...Rh8 13.0–0+–) 13.Bg5 (13.0–0 Qd6+–) 13...a6 (13...Ba5 14.Bd2+–) 14.Bf6 Qf6 (14...Nf6 15.0–0+–) 15.0–0 ab5 16.Bb5 (16.Nb5 h4+–) 16...c6 17.Na4 (better is 17.Be2+–) 17...g5?? (better is 17...Bc7+–) 18.Nb6 (18.Nb6 Rb8 19.Bd3+–) 1–0. cupid_dk – curtisswint, internet, 1999.

4.c4!? c6 5.a3 cb5 6.ab4 bc4 7.Qa4 +/–.

3.b5 Nc5

4.e3 d5 =.

4.e3 Qf6?? 5.Bf6+– gf6 (5...Nf6 6.d4 Nce4 7.a3+–) 6.c4 Bg7 (6...Ne4 7.f3 Nd6 8.Nc3+–) 7.d4 Ne4 (7...f5 8.Nd2 Ne4 9.Ne4 fe4 10.Qg4+–) 8.Bd3 (better is 8.Qg4!? Ng5 9.h4 h6 10.hg5 fg5+–) 8...f5 9.Be4 fe4 10.Nc3 (10.Qg4 Bf8 11.Qe4 d6+–) 10...d5 (10...Nf6 11.Nge2+–) 11.cd5 a5 (11...Nf6 12.de6 Be6 13.Qc2+–) 12.de6 Be6 13.Ne4 1–0. Trkn – kas1975, itsyourturn.com, 2001.

4.Nf3 Nh6 5.c4 b6 6.e3 Bb7 7.d4 Ne4 8.Be2 Ng4 9.0–0 Bd6 10.h3 Nh2?? (better is 10...Ngf6=) 11.Nh2+– Qg5 12.Nf3 Qg6 13.Bd3 f5 14.Nbd2 (14.Be4 fe4 15.Ne5 Be5 16.de5 a6+–) 14...0–0–0?? (better is 14...Nd2 15.Nh4 Qg5 16.Qd2 Qh4+=) 15.Qc2 (15.Ne4 fe4 16.Bc2 Rhf8+–) 15...Rhf8?? (15...Nd2 16.Nh4 Nf3 17.Kh1 Nh4 18.f4 Ng2 19.e4 Nf4 20.Rf4 Bf4 21.Qg2 fe4 22.Be2–+) 16.a4 (better is 16.Be2+–) 16...a5?? (better is 16...Nd2 17.Nh4 Nf3 18.Kh1 Nh4–+) 17.ba6!+– Ba6 (17...Bc6 18.Be2 Ng5 19.Ng5 Qg5 20.Nf3+–) 18.Ne4 f4 (18...fe4 19.Be4 Qh5+–) 19.Nd6 Kb8 20.Bg6 hg6 21.Nb5 fe3 22.fe3 Rf5 23.e4 Rf7 24.a5 ba5 25.Ra5 Bb7 26.Rfa1 c6 27.Nd6 (27.Qa4 cb5 28.Ra8 Ba8 29.Qa8 Kc7 30.Ra7 Kd6 31.Ba3 b4 32.Bb4) 27...Rf4 28.Nb7 (28.Qb3 Kc7 29.Qb7 Kd6 30.Ba3 c5 31.Bc5) 28...Kb7 29.Qb3 Kc7 (29...Kc8 30.Ra7 Rdf8 31.Qb7 Kd8 32.Qd7) 30.Ra7 Kd6 31.Qb4 c5 32.Qc5 1–0. Fournier,Frederic (1800) – jonyth, Active (2/6), 2004.

2.Bb2 Bb4??

3.Bg7 a6 4.Bh8 c6 5.Bc3 Bd6 6.Nf3 Qc7 7.e3 c5 8.Be2 Nc6 9.0–0 b6 10.d4 Bb7 11.dc5 Bc5 12.Bd4 Bd6 13.c4 0–0–0 14.Nc3 Nd4 15.Nd4 Nf6 16.Rc1 Bh2 17.Kh1 Rg8 18.Bf3 Bf3 19.Qf3 Ng4 20.g3 h5 21.Qa8 Qb8 22.Qb8 Kb8 23.Nf3 Bg3 24.fg3 Ne3 25.Rg1 Nc4 26.Ne4 Ne3 27.Nd6 Ng4 28.Nf7 Nf2 29.Kg2 Nd3 30.Rcd1 Nf4 31.Kh2 Ne2 32.Rg2 d5 33.Re2 Rf8 34.N7g5 Rf5 35.Re6 Rg5 36.Ng5 (36.Ng5 Ka7 37.Re7 Kb8 38.Rf1 d4 39.Rf8) 1–0. Fournier,Frederic (1800) – 78julio (1695), Active (5/0), 2005.

3.Bg7 c6 4.e3 Qg5 5.Bh8 e5 6.Nf3 Qf5 7.Be5 d6 8.Bd3 Qe6 9.Bc3 c5 10.Bb4 cb4 11.0–0 Nc6 12.c3 bc3 13.Nc3 Nb4 14.Qa4 Nc6 15.Nd4 Qe7 16.Bb5 Bd7 17.Bc6 Bc6 18.Nc6 Qd7 19.Nd4 a6 20.Qd7 Kd7 21.Nd5 Ne7 22.Nb6 Kc7 23.Na8 Kc8 24.Rac1 Nc6 25.Nb6 Kc7 26.Nd5 Kd7 27.Nc6 bc6 28.Nf6 Kc7 29.Nh7 f5 30.Ng5 d5 31.h4 a5 32.h5 a4 33.h6 c5 34.h7 c4 35.h8Q a3 36.Qf6 c3 37.Rc3 Kd7 38.Qe6 Kd8 39.Nf7# 1–0. Trkn – pikachulover, itsyourturn.com, 2000.

3.Bg7 Bd2 4.Nd2 b6 5.Bh8 Nc6 6.Bc3 Bb7 7.e4 d5 8.Qg4 Nf6 9.Qg7 Ne4 10.Ne4 de4 11.Qh8 Kd7 12.Rd1 Nd4 13.Qd4 Ke8 14.Bb5 Ke7 15.Qg7 Qg8 16.Bf6 1–0. Golem_01 – Kace_08, computer chess game (LYAPKO) (1), 2001.

3.Bg7 Bd6 4.Bh8 f6 5.e3 Kf8 6.Qh5 Qe8 7.Qh7 Be5 8.Qg7 1–0. tanto – mmcfarlin, net–chess.com, 2001.

3.Bg7 Ke7 4.Bh8 f6 5.e3 Nh6 6.Bg7 Nf5 7.Qg4 Qg8 8.Qb4 d6 9.Bf6! Kf6 10.Nc3 Nc6 11.Qb3 a5 12.Nf3 Bd7 13.Ne4 Ke7 14.Qb7 Rb8 15.Qc7 Qg7 16.h3 Qa1= 17.Ke2 Qa2 18.g4?? Ng7 19.Qd6+– Kd8 20.Ne5 Ne5 21.Qb8 Ke7 22.Qe5 Qc4 23.Ke1 Qc2 24.Qg7 Kd8+– 25.Qf8 Kc7 26.Qc5 Kd8 27.Qc2 (27.Qc2 h6 28.Qc5 Bc6 29.Qd6 Ke8 30.Qc6 Kf7 31.Bc4 Kg7 32.Qe6 h5 33.Qf6 Kh7 34.Ng5) 1–0. erisonpassos – rustweczko, kurnik, 2011.

3.Bg7 Be7 4.Bh8 Bf6 5.Bf6 Qf6 6.Nc3 Nh6 7.e3 Nc6 8.Nf3 d5 9.Bb5 Bd7 10.Bc6 Bc6 11.0–0 0–0–0 12.d4 Rg8 13.g3 Qf5 14.Nh4 Qh3 15.Nf3 Ng4 16.Ne2 Bb5 17.Re1 Nf6 18.Nf4 Qf5 19.a4 Ba6 20.Nh4 Qg5 21.Qf3 Qh4 22.Ng2 Qg5 23.Ra3 Qh6 24.Qf4 Qg6 25.Rc3 Bc4 26.f3 Qg7 27.e4 c6 28.e5 Nd7 29.Ne3 Ba6 30.Rb3 Nb6 31.Rb4 Rh8 32.a5 Nc4 33.Nc4 Bc4 34.Reb1 ½–½. Paauwe,J – Zweedijk,L, PK Zeeland groep 2 (4), 2001.

3.Bg7 Qf6 4.Bf6 Nf6 5.e4 Ne4 6.Qg4 d5 7.f3 Kd8 8.fe4 (8.fe4 de4 9.Qe4+–) 1–0. pcmvr (2110) – nwishn (1900), net–chess.com, 2006.

3.Bg7 Bf8 4.Bh8 f6 5.e4 e5 6.Qh5 Ke7 7.Qh7 Ke8 8.Qg6 Ke7 9.Bc4 Nh6 10.Qf6 Ke8 11.Qg6 Ke7 12.Qg5 Ke8 13.Qh5 Ke7 14.Qe5 1–0. kamera – karthikhome, GameColony.com, 2002.

3.Bg7 Qh4 4.Nf3 Qe4 5.e3 Qg4 6.Bh8 d5 7.Bc3 Bc3 8.Nc3 Nf6 9.Ne5 Qf5 10.d4 c5 11.Bd3 Qg5 12.0–0 b6 13.Bb5 Nbd7 14.Nd7 Nd7 15.Ne2 Bb7 16.Nf4 a6 17.Bd7 Kd7 18.Qh5 Qh5 19.Nh5 Ke7 20.c3 Rg8 21.a4 Rg5 22.Ng3 a5 23.Rab1 Bc6 24.Rb6 Ba4 25.Ra1 Bc2 26.Ra5 cd4 27.cd4 h6 28.f3 h5 29.Ne4 Be4 30.fe4 h4 31.ed5 ed5 32.e4 h3 33.g3 Rg6 34.Ra7 Kf8 35.Rg6 fg6 36.ed5 Ke8 37.Kf2 g5 38.Ke3 Kd8 39.Ke4 Kc8 40.Ke5 Kb8 41.Rg7 g4 42.Kd6 (time) 1–0. Trkn – MrSmothers, itsyourturn.com, 2000.

3.Bg7 b6

4.Nf3 Nh6 5.Bh8 Bb7 6.Bb2 Bc5 7.e3 Nc6 8.Bd3 Qe7 9.Nc3 0–0–0 10.Qe2 Nb4 11.a3 Nc6 12.Ne4 d5 13.Bf6 Qf8 14.Nc5 Re8 15.Nb7 Kb7 16.Ne5 Qd6 17.Ba6 Kb8 18.Qb5 Ng8 19.Nc6 Ka8 20.Be5 Qd7+– 21.Qa4 Ne7 22.Bb5 Ng6 23.Qa7# 1–0. pumpkin (2275) – mleek (1755), net–chess.com, 2008.

4.Bh8 Bb7 5.Bb2 Nc6 6.Nf3 Na5 7.e3 d6 8.Be2 Qe7 9.0–0 0–0–0 10.d4 Nh6 11.c3 Bc5 12.dc5 dc5 13.Qc2 f5 14.Nbd2 Qd6 15.Rfd1 Qe7 16.Ne5 Rg8 17.Bf3 Qg7 18.Bb7 Nb7 19.g3 Qe5 20.c4 Qd6 21.Nf3 Qe7 22.Be5 Nf7 23.a4 h5 24.Kf1 Nbd6 25.Bd6 Nd6 26.a5 Ne4 27.ab6 cb6 28.Qa4 Kb8 29.Qc6 Qb7 30.Qb7 Kb7 31.Rd7 Kc6 32.Raa7 b5 33.Rdc7 Kb6 34.Rab7 Ka6+– 35.cb5 Ka5 36.Ne5 Nd2 37.Ke2 Nb3 38.Nc6 Ka4 39.b6 Ka3 40.Ra7 Kb2 41.b7 Nc1 42.Kf3 Nb3 43.b8Q Rb8 44.Nb8 e5 45.Rc5! Nd2 46.Ke2 Ne4 47.Kf3 Nc3?? 48.Rc3! Kc3 49.Re7 Kd3 50.Re5 Kc4 51.Rf5 h4 52.Rh5 Kd3 53.Rh4 Kc3 54.e4 Kb3 55.Kf4 Kc3 56.e5 Kb3 57.e6 Kc3 58.e7 Kb3 (58...Kb4 59.Ke3 Kc5 60.e8Q Kb6 61.Qc6 Ka7 62.Ra4 Kb8 63.Ra8) ½–½. bratek55 (1630) – gozef (1700), kurnik, 2011.

3.Bg7 Bc3

4.dc3 Nc6 5.Bh8 Nh6 6.e3 Qf6 7.Bf6 Ne5 8.Be5 c5 9.Qh5 Rb8 10.Bb8 b6 11.Qh6 Ba6 12.Bd6 Bf1 13.Qf8# 1–0. Bonetti,Shane – guest187, ICC, 2002.

4.dc3 e5 +–.

4.Bc3 Nf6 +–.

4.Nc3 Nf6 5.Bh8 e5 6.e4 +–.

4.Nc3 Nh6 5.Bh8 f6 6.e3 Kf7 7.Qh5 Kg8 8.Qh6 Qe7 9.Bf6 Qf7 10.Nf3 Qg6 11.Qf4 d6 12.Bd3 Qf7 13.Ng5 Qe8 14.Bh7 Kf8 15.Bd8 Kg7 16.Qf6# 1–0. Rush,Bradley – Withrow,Avis, IECG, 1995.

3.Bg7 Bc5

4.e3 Ne7 5.Bh8 Ng6 6.Bb2 (6...d5 7.Nc3+–) 1–0. Bonetti,Shane – pcisme, ICC, 2002.

4.e3 Nf6 5.Bh8 Ne4 6.Qg4 1–0. Trkn – eric, itsyourturn.com, 2000.

4.Bh8 Qh4 5.d4 Bb6 6.Be5 Nc6 7.Nf3 Qe4 8.e3 Nb4 9.Bd3 Qg4 10.0–0 Ba5 11.h3 Qh5 12.Nbd2 b6 13.Nb3 Bb7 14.Na5 0–0–0?? 15.Nb7 Kb7 16.Be2 f6 17.Bh2 f5 18.Ne5 d6?? 19.Bh5 Nf6 20.c3 Nbd5 21.c4 Nc3 22.Bf3 d5 23.Qb3 Nce4 24.Be4 fe4 25.Qb5 a6 26.Qc6 Ka7 27.Qc7 Ka8 28.Nc6 Rd7 29.Qb8# 1–0. Trkn – Leo, itsyourturn.com, 2000.

3.Bg7 Nc6

4.Bh8 Bc5 5.Nc3 Qh4 6.e3 Nd4 7.ed4 Bd4 8.g3 Qe4 9.Ne4 Bf2 10.Kf2 f5 11.Qh5 Kd8 12.Qf7 Ne7 13.Qf8# 1–0. marre – MarsPF2, internet, 2010.

4.Bh8 d5 5.a3 Be7 6.e3 1–0. Finogenov,Mikhail – Koltsov,Andrey, RUS–Cup sf, 2005.

4.Bh8 d6 5.Bb2 e5 6.e3 Be6 7.Bb5 Bd7 8.c3 Ba5 9.Na3 Nf6 10.Nc4 Bb6 11.Nb6 ab6 12.d4 Ne4 13.de5 de5 14.Qh5 1–0. bentengutama – sp (1820), net–chess.com, 2002.

4.Bh8 f6 5.a3 Bd6 6.e4 Qe7 7.Qh5 Qf7 8.Be2 Ne5 9.Qf7 Nf7 10.Bh5 h6 11.Nc3 Kf8 12.Bf7 Kf7 13.d4 Kg6 14.e5 fe5 15.Be5 Be5 16.de5 d6 17.ed6 cd6 18.0–0–0 d5 19.Nf3 Nf6 20.Rhe1 Bd7 21.Ne5 Kg7 22.Nd7 Nd7 23.Re6 Nb6 24.Nd5 Nd5 25.Rd5 b6 26.Rdd6 Rf8 27.Rh6 Rf2 28.Rdg6 Kf7 29.Rg3 Re2 30.Rh7 Ke6 31.Ra7 Kd5 32.Ra4 Kc5 33.h4 Re8 34.Rg5 Kc6 35.h5 b5 36.Rh4 Re1 37.Kd2 Re8 38.h6 Rh8 39.h7 Kd7 40.Rg8 (40...Rh7 41.Rh7 Kc6 42.Rh6 Kc5 43.Rg5 Kd4 44.Rh4#) 1–0. Choong,Yita – Cohn,Jason, AUS–ch U12 Sydney, 2002.

3.Bg7 d5

4.Bh8 c6 5.Bb2 Nd7 6.e3 Qe7 7.Nf3 (7...e5 8.Be2+–) 1–0. Bonetti,Shane – DoctorRook, ICC, 2002.

4.Bh8 Nc6 5.e3 d4 6.ed4 Nd4 7.c3 Nc6 8.cb4 Nb4 9.Qg4 Nc2 10.Kd1 Na1 11.Qg8 Kd7 12.Qh7 Qe7 13.Ba1 b6 14.Bb5 c6 15.Bc6 Kc6 16.Qe4 Kd7 17.Qa8 Qb4 18.Qa7 Kc6 19.Nc3 Qg4 20.Nf3 Qg2 21.Ne5 Kc5 22.Qc7 Kd4 23.Ne2 Ke4 24.Qc2 Kd5 25.Qc6# 1–0. Rosner,Dirk – random2, atlanticchess.com, 2001.

3.Bg7 d6

4.Bh8 Na6 5.Bc3 f6 6.Nf3 e5 7.e3 Bg4 8.h3 Bf3 9.Qf3 Rb8 10.Ba6 Ke7 11.Bb4 Ke6 12.Bc4 Ke7 13.Nc3 Qd7 14.Qh5 h6 15.Qf7 (15.Qf7 Kd8 16.Qg8 Qe8 17.Qg7+–) 1–0. Fournier,Frederic (2065) – elgueroarroyo (1780), Active, 2004.

4.Bh8 e5 5.c3 Bc5 6.e3 Bf5 7.Qf3 Qg5 8.Qb7 1–0. Karlsson,Patrik (1885) – Cory,David, IECG, 2002.

3.Bg7 Qe7

4.Bh8 f6 5.e3 Qf8 6.Qh5 Ke7 7.Qh7 Qf7 8.Qf7 Kf7 9.Nf3 Nh6 10.Nc3 Bc3 11.dc3 Nc6 12.Bb5 Ne7 13.0–0 Ng6 14.Bf6! Kf6 15.Bd3 Ne5 16.Ne5 Ke5 17.f4 Kd6 18.Rad1 Ke7 19.f5 d5 20.f6 Kf7 21.e4 Ng4 22.ed5 Ne3 23.de6 Be6 24.Rde1 Nf1 25.Rf1 Re8 26.h3 Ba2? 27.g4 Be6 28.Kh2 b6 29.g5 c5 30.g6 Kg8 31.f7 Bf7 32.gf7 Kf8 33.fe8Q Ke8 34.h4 Ke7 35.h5 Ke6 36.h6 Ke5 37.h7 Kd5 38.h8Q c4 39.Qd8 Kc5 40.Qd4 Kb5 41.Qc4 Ka5 42.Qb5 1–0. Fournier,Frederic – trancadis, Active, 2007.

4.Bh8 Nf6 5.Bf6 Qf6 6.c3 Bc3 7.Nc3 Nc6 8.e3 Nb4 9.Nf3 Qf5 10.d4 Qc2 11.Qc2 Nc2 12.Kd2 Na1 13.Bd3 b6 14.Ra1 Bb7 15.Bh7 Bf3 16.gf3 Ke7 17.Be4 Rh8 18.Rh1 a6 19.a4 b5 20.ab5 ab5 21.Nb5 d5 22.Bd3 c6 23.Nc3 Ra8 24.h4 Rh8 25.h5 Kf6 26.e4 de4 27.fe4 Kg5 28.Be2 Kf4 29.Kd3 e5 30.d5 cd5 31.ed5 Rd8 32.f3 f6 33.h6 Rh8 34.h7 Kf5 35.Ne4 Kg6 36.d6 Kf7 37.Nc5 Ke8 38.Kc4 Kd8 39.Kd5 Kc8 40.Bb5 Kd8 41.d7 e4 42.fe4 Kc7 43.Ne6 Kb6 44.d8Q Rd8 45.Nd8 Kb5 46.h8Q Kb4 47.Qf6 Kb3 48.Qb6 Kc3 49.Rc1 Kd2 50.Qb2 Ke3 51.Qd4 Kf4 52.Rf1 Kg5 53.Qf6 Kh5 54.Qg7 Kh4 55.Rh1 1–0. Fournier,Frederic – trigo1, Active, 2007.

3.Bg7 Ne7

4.Bh8 Nbc6 5.Bf6 Bd6 6.Nf3 b6 7.e3 Bb7 8.Be2 e5 9.d4 ed4 10.Nd4 Nd4 11.Qd4 c5 12.Qd6 Bg2 13.Rg1 Bd5 14.Rg8! Ng8 15.Bd8 (15.Bd8 Rd8 16.Qd5+–) 1–0. erisonpassos – vitya, kurnik, 2011.

4.Bh8 d5 5.Bf6 Bd6 6.e3 c5 7.Qh5 Bd7 8.Qh7 Bc6 9.Qh8 Kd7 10.Qd8 Kd8 11.Be7 Be7 12.Nf3 Nd7 13.Nc3 b5 14.Bb5 Rc8 15.Bc6 Rc6 16.Rb1 Kc7 17.Nb5 Kc8 18.Na7 Kc7 19.Nc6 Kc6 20.d4 c4 21.Ne5 Ne5 22.de5 Bc5 23.0–0 d4 24.ed4 Bd4 25.Rfe1 Kd5 26.Rb5 Kc6 27.a4 c3 28.Reb1 Ba7 29.a5 Bd4 30.Rb6! Kc5 31.R1b5 Kc4 32.a6 Bb6 33.Rb6 Kd4 34.a7 Ke5 35.a8Q Kf6 36.Qf3 (36.Qf3 Ke7 37.Qf4 f6 38.Rb7 Ke8 39.Qb8; 36.Qh8 Kg5 37.Qg7 Kf5 38.Rb5 e5 39.Re5 Kf4 40.Qg5) 1–0. erisonpassos – lipefernandes, kurnik, 2011.

4.Bh8 Nd5 5.Bb2 a6 6.e4 Nb6 7.Be2 d5 8.ed5 Qd5 9.Bf3 Qf5 10.Ne2 c6 11.0–0 Bc5 12.d4 Bd6 13.c4! e5 14.c5 ed4 15.cd6 Nd5 16.Nd4 Qf6 17.Qe2 Be6 18.Ne6 fe6 19.Bd5 Qb2 20.Qe6 (20.Qe6 Kd8 21.Qe7 Kc8 22.Qc7#) 1–0. Pierred – moose, Chesspark, 2008.

4.Bh8 d6 5.Bf6 Nbc6 6.e3 Qd7 7.Bb5 a6 8.Be7 Qe7 9.Bc6 bc6 10.Nf3 Rb8 11.a3 Bc5 12.Nc3 Bb6 13.Rb1 Bb7 14.d3 c5 15.e4 Qf6 16.Na4 Ba5 17.Nd2 Kd8 18.Nb2 Kc8 19.Nbc4 Bd2 20.Qd2 d5 21.Na5 Ba8 22.Rb8 Kb8 23.0–0 d4 24.Rb1 Kc8 25.Nc4 Bc6 26.Qa5 Qg7 27.Qa6 Kd7 28.Na5 f5 29.Qc6 (29.Qc6 Ke7 30.Qc7 Kf6 31.Qd8 Kg6 32.Rb7 fe4 33.Rg7 Kg7 34.Qe7 Kg6 35.Qe6 Kg7 36.Qe7 Kg8 37.de4 d3 38.cd3 c4 39.e5 h6 40.e6 Kh8 41.Qf7 cd3 42.e7 d2 43.e8Q) 1–0. Fournier,Frederic – rafai, Active, 2007.

4.Bh8 Ng6 5.Bb2 Nc6 6.Nf3 d5 7.e3 Bd7 8.c4 dc4 9.Bc4 Qe7 10.Qb3 0–0–0 11.Nc3 Na5+/– 12.Qc2 Nc4 13.0–0 Bc6 14.Nd4 Bg2 15.Kg2 Qh4? 16.f4 e5 17.Nf3 Qg4?? 18.Kh1+– ef4 19.Ne2?? Nd2+= 20.Nf4 Nf3 21.Qg2 Nfe5 22.Be5 Ne5 23.Qg4 Ng4–/+ 24.Rf3 Bc5 25.Ng2 Rd3 26.Rf7 Ne3 27.Ne3+= Be3 28.Re1 b6? 29.Rh7 Bd4 30.Ree7 Rc3 31.Kg2 Kb7 32.h4 Bc5? 33.Re2 Bd6+/– 34.h5 Rc5 35.h6 Rg5 36.Kf3 a5 37.Re4 Rg3+/– 38.Ke2 Rg2 39.Kd3 Ra2 40.Re8 Ra3 41.Kc4 Rh3 42.Rhh8 Rh5 43.h7 Be5?? 44.Re5!+– Re5 45.Rf8 Rh5 46.h8Q Rh8 47.Rh8+– Kc6 48.Rh6 Kb7 49.Kb5 Kc8 50.Kc6 a4 51.Rh8 1–0. carocan (1770) – facehead (1640), kurnik, 2011.

4.Bh8 Ng6 5.Bc3 Bc3 6.Nc3 Qf6 7.e3 Nc6 8.Qf3 Nb4 9.Qf6 1–0. Fournier,Frederic – gorimoto, Active (5/2) www.echecs21.com, 2004.

4.Bh8 Ng6 5.Bc3 Bc5 6.d4 Bb6 7.e3 d5 8.Nf3 Qf6 9.Bb5 c6 10.Be2 Nd7 11.Nbd2 c5 12.Bb5 a6 13.dc5 (13.dc5 Qc3 14.Bd7 (14.cb6?! ab5 15.Nd4 Nb6+–) 14...Bd7 15.cb6+–) 1–0. Schandorff,L – Klein,Heinz, Beijing, 1998.

4.Bh8 Ng6 5.Bc3 Be7 6.e3 Bf8 7.Qh5 Qh4 8.Qb5 c6 9.Qb2 b6 10.Nf3 Qh5 11.Be2 Qd5 12.d3 Na6 13.Nbd2 Nc5 14.a4 Ba6 15.0–0 Be7 16.Ne5 Nh4 17.e4 Qd6 18.g3 Nf5 19.ef5 Bb7 20.Bh5 Kd8 21.Nf7 Kc8 22.Nd6 Bd6 23.a5 b5 24.Bb4 Kc7 25.Qa3 Rf8 26.Bc5 Be5 27.Bb6! ab6 28.ab6 Kb6 29.Qa5 Kc5 30.Ne4 Kd5 31.c4 Kd4 32.Qc3# 1–0. pierre – angie:_), ChessWorld.net, 2005.

3.Bg7 f6

4.c3 Bd6 5.e4 h5 6.Bh8 Qe7 7.Qh5 Kd8 8.Nf3 b6 9.Bc4 Ba6 10.Ba6 Na6 11.d4 e5 12.de5 Bc5 13.0–0 c6 14.ef6 Nf6 15.Nbd2?? Nh5 16.e5 Kc7 0–1. Trkn – Vandever, itsyourturn.com, 2000.

4.e3 Nc6 5.Qh5 Ke7 6.Bh8 Qe8 7.Qh7 Kf8 8.Qg7 1–0. Pierred – Porky10189, Friendly Game, 2005.

4.e3 e5 5.Qh5 Ke7 6.Bh8 h6 7.c3 Bd6 8.Bc4 c5 9.Qf7# 1–0. marus2 – busybee22, internet live, 2001.

4.e3 Qe7 5.Bh8 Bd6 6.Qh5 Kd8 7.Nf3 Nc6 8.Bb5 Nb4 9.a3 Nc2+/– 10.Ke2 Na1 11.Nc3 Nb3+/– 12.Bc4 Nc5 13.Nb5 a6 14.Nd6 Qd6?? 15.Qh7 c6?? 16.Qg8+– Kc7 17.Bf6 Qd3 18.Kd1 Qb1= 19.Ke2 (19...Qd3 20.Bd3 Nd3 21.Bd8 Kb8 22.Qg3 e5 23.Bb6 Nc1 24.Rc1 Ra7 25.Qe5 d6 26.Qd6 Ka8 27.Qd8 Kb8 28.Bc7 Ka8 29.Qc8) 1–0. kamera – alialrawahi, GameColony.com, 2002.

4.e3 Qe7 5.Bh8 Nh6 6.Qh5 Qf7 7.Qh6 Nc6 8.Nc3 Ne5 9.Qf6 Bc3 10.dc3 Qf6 11.Bf6 Nf7 12.Bd3 b6 13.Bh7 Rb8 14.Nf3 b5 15.a4 b4 16.cb4 Rb4 17.0–0 Rb2 18.Bb2 Ba6 19.Rfb1 Ne5 20.Ne5 d5 21.Bg6 Ke7 22.Nc6 Kd6 23.Ba3 Kc6 24.Be8# 1–0. pierre – Kashif, internet, 2008.

4.e3 Kf7 5.Bh8 Nh6 6.Qh5 Kg8 7.Qh6 Kh8 8.Bd3 Qe7 9.Nf3 Qg7 10.Qh4 Nc6 11.Nc3 d5. marere – pfw, internet, 2011.

4.e3 h5 5.Bh8 f5 6.Qh5 Kf8 7.Nf3 Nf6 8.Qh6 Ke7 9.Bf6 Kf7 10.Ne5 Ke8 11.Qg6 Kf8 12.Qf7# 1–0. Trkn – dre90, itsyourturn.com, 2000.

4.Bh8 c6 5.e3 Qb6 6.Qh5 Kd8 7.Qf7 Kc7 8.Qg8 Qc5 9.Bf6 Qc2 10.Qd8 Kd6 11.Ne2 Kd5 12.Nf4 Kc5 13.Qf8 d6 14.Bd4 1–0. Fournier,Frederic (1765) – layner322(C), Active, 2006.

4.Bh8 d5 5.e3 Qe7 6.Qg4 +–.

4.Bh8 d5 5.e4! de4 6.Qh5 Ke7 7.a3 Ba5 8.Qa5 Nc6 9.Qc5 Kf7 10.Qh5 Ke7 11.Qh7 Kd6 12.Qe4 Bd7 13.Nc3 a6 14.Qd3 Ke7 15.Qh7 Kf8 16.Qg7 Ke8 17.Qg8 Ke7 18.Qh7 Kf8 19.Qg7 Ke8 20.Qg6 Ke7 21.Bf6 (21...Kf8 22.Qg7 Ke8 23.Qg8) 1–0. orane (2130) – topolov, Caissa.com, 2004.

4.Bh8 d5 5.e4! Qe7 6.c3 Bd6 7.Qg4 +–.

4.Bh8 Bd6 5.e3 Be5 6.c3 Qe7 7.d4 Bd6 8.Nf3 b6 9.Be2 Nc6 10.Nbd2 Bb7 11.0–0 0–0–0 12.Bb5 Na5 13.Qe2 c6 14.Ba6 b5 15.Bb7 Nb7 16.Ne4 Bc7 17.a4 f5 18.Nc5 Nh6 19.Be5 Be5 20.Ne5 Qd6 21.Nb7 Kb7 22.ab5 Ka8 23.bc6 dc6 24.Qa6 Qc7 25.Nc6 Rd6 26.Qa7 Qa7 27.Ra7 1–0. Fournier,Frederic (1670) – bigtiger02(C) (1690), Active (5/0), 2004.

4.Bh8 Bd6 5.Nf3 Kf7 6.e3 Nh6 7.Bf6! Qf6 8.Nc3 Bb4 9.Ne4 Bd2 10.Nfd2 Qe5 11.Bd3 d5 12.Ng3 Nc6 13.Qh5 Kg7 14.0–0 Bd7 15.Qe5 Ne5 16.f4 Nd3 17.cd3 Bb5 18.Rfb1 a6 19.a4 Bd3 20.Rb7 Rc8 21.Rc1 Kf6 22.Rcc7 Rc7 23.Rc7 Ng4 24.e4 d4 25.Rd7 e5 26.fe5 Ke5 27.Nf3 Kf4 28.Rd4 Ke3 29.Nf1 Bf1 30.Kf1 Nh2 31.Ke1 Nf3 32.gf3 Kd4 33.Ke2 h5 34.a5 h4 35.Kf2 Ke5 36.Kg2 Kf4 37.Kh3 Kf3 38.e5 Ke4 39.e6 Kd5 40.e7 Kc5 41.e8Q Kb4 42.Kh4 Ka5 43.Qb8 Ka4 44.Kg4 a5 45.Kf4 Ka3 46.Ke4 a4 47.Kd3 Ka2 48.Kc2 a3 49.Qb1 1–0. Fournier,Frederic (1935) – pablogolz (1750), Active (5/0), 2004.

4.Bh8 Kf7 5.e3 Nh6 6.Qh5 Kg8 7.Qh6 Kh8 8.Bd3 Bd6 9.Qh7 1–0. elsh1403 – szymonluczka (1740), kurnik, 2011.

4.Bh8 Kf7 5.e4 Ne7 6.Qh5 Ng6 7.Qh7 (7.Qh7 Ke8 8.Qg6 Ke7 9.Bf6 Kd6 10.Bd8+–) 1–0. bratek55 (1730) – david37 (1745), kurnik, 2011.

4.Bh8 Bf8 5.e4 d6 6.Qh5 Ke7 7.Qh7 (7.Qh7 Ke8 8.Qg8+–) 1–0. guest – guest, internet, 2009.

4.Bh8 Nh6 5.Bg7 Ng8 6.e3 Qe7 7.Qh5 Kd8 8.Qh7 c6 9.Qg8 Kc7 10.Nf3 Qd6 11.Bf6 b6 12.Be5 Bd2 13.Nbd2 Qe5 14.Ne5 Ba6 15.Ba6 Na6 16.Qa8 Nb8 17.Qa7 Kc8 18.Qb6 d6 19.Nc6 Nc6 20.Qc6 Kb8 21.Rb1 Ka7 22.Qb7 1–0. Fournier,Frederic (1975) – vicrey(C), Active (7/1), 2005.

4.e3 Ne7

5.Bh8 Kf7 6.Qh5 Kf8 7.Bd3 f5 8.Be2 Nd5 9.Qh6 Ke7 10.Qg5 Ke8 11.Bh5 (11...Kf8 12.Qd8) 1–0. Kuhn,Heinz (1675) – Weinz,Andre, GER Cup Amateur GrC 1st, 2000.

5.Bh8 Ng6 6.a3 Bf8 7.Qh5 +–.

5.Bh8 Ng6 6.Nf3 Nh8 7.c3 Bf8 8.Qb3 Nc6 9.Bb5 a6 10.Bc6 dc6 11.0–0 Kf7 12.Nh4 Ng6 13.d4?? Nh4–/+ 14.g3 Nf5 15.Nd2 Nd6 16.Nf3 Bg7 17.c4 b5 18.c5 Nc4 19.a4 Bd7 20.ab5 ab5 21.Ra8 Qa8 22.Rb1 Ke7 23.Kg2 e5 24.de5 Bg4 25.Qd1?? Bh6 26.ef6= Kf8 27.Qd4+= Bf3 28.Kf3 Qe8 29.Qh4 Nd2 30.Kg2 Nb1?? 31.Qh6+– Kf7 32.Qg7 Ke6 33.f4 Nd2 (34.e4! Ne4 35.f5 Kf5+–). kamera – on_free, GameColony.com, 2002.

5.Bh8 Ng6 6.Qh5 Qe7 7.a3 Bd6 +–.

5.Bh8 Ng6 6.Qh5 Kf7 7.Qh7 Ke8 8.Qg6 (8...Ke7 9.Bf6 Kd6 10.Qd3 Kc6 11.Qb5 Kd6 12.Qb4 c5 13.Qf4 Kc6 14.Bd8 Na6 15.Ba6 d6 16.Bb5 Kb5 17.Nc3 Kc6 18.Qa4 b5 19.Qb5#) 1–0. kamret (2185) – Schackpauli (1650), GameColony.com, 2003.

4.Bh8 Nc6

5.e3 a6 6.Qh5 Ke7 7.Qh7 Kd6 8.Nf3 Ra7 9.a3 (9.a3 Ba5 10.h4+–; 9.c3 Ba5 10.Na3 f5+–) 1–0. pierre – Ruy_lopez, internet, 2008.

5.e3 b6 6.Qh5 Ke7 7.Qh7 Kd6 8.c3 Bc5 9.d4 Nge7 10.Nd2 Qg8 11.Ne4 Kd5 12.c4# 1–0. Plock,Joerg – WaldschratSG, remoteschach.de, 2003.

5.e3 b6 6.Qh5 Ke7 7.Qh7 Kd6 8.Be2 Bb7 9.Bf3 Qe7 10.Qe7 Nce7 11.Ne2 Nf5 12.Bb7 Rb8 13.Bf3 c5 14.c3 Ba5 15.0–0 Ke7 16.Na3 Ngh6 17.Bg7! Ng7 18.Nc4 Rg8 19.Na5 ba5 20.Ng3 Ngf5 21.Nf5 Nf5 22.Rab1 Nh4 23.Rb7 Nf3 24.Kh1 Nh4 25.g3 Nf3 26.Rd1 Rh8 27.h4 f5 28.Ra7 Ne5 29.Ra5 Nd3 30.Kg2 Rg8 31.a4 e5 32.Ra6 f4 33.ef4 ef4 34.Rh6 fg3 35.fg3 Rf8 36.Rf1 Rg8 37.Rh7 Kd8 38.a5 Ne5 39.a6 Nc6 40.Rff7 Ne5 41.Rfg7 Rf8 42.a7 Kc7 43.Rg5 Kd6 44.Rh6 Kd5 45.Ra6 Ra8 46.Rg7 d6 47.Rb7 Nc6 48.h5 c4 49.h6 Kc5 50.h7 Kd5 51.Rg7 Na7 52.Raa7 Ra7 53.Ra7 (53.Ra7 Ke5 54.h8Q Ke4 55.Qd4 Kf5 56.g4 Kg5 57.Rg7 Kh6 58.Qf6) 1–0. wojtekkk – daja55, kurnik, 2011.

5.e3 b6 6.Qh5 Kf8 7.a3 Bd6 8.Bd3 +–.

5.e3 b6 6.Qh5 Kf8 7.a3 Qe8 8.Qe8 Ke8 9.ab4 Nb4 10.Ra4 Nc2 11.Kd1 b5 12.Bb5 a6 13.Kc2 c6 14.Be2 a5 15.Nc3 d5 16.Nf3 e5 17.Rha1 +–. pierre – ZaAdmiral, itsyourturn.com, 2006.

5.e3 Qe7 6.c3 Bd6 7.d4 +–.

5.e3 Qe7 6.Qh5 Qf7 7.Qf7 Kf7 8.Bd3 Nce7 9.Bh7 b6 10.c3 Bd6 11.Nf3 Bb7 12.d4 Nh6 13.Bf6! Kf6 14.Nbd2 Rh8 15.Be4 Ba6 16.c4 Rg8 17.0–0 Nhf5 18.Rfc1 Ba3 19.Rc2 d5 20.cd5 ed5 21.Bf5 Nf5 22.Rc7 Bd6 23.Ra7 Bc8 24.Ra8 Ne7 25.Rc1 Ke6 26.Ne1 Rh8 27.g3 Kd7 28.Nd3 Nf5 29.Nf4 Bf4 30.gf4 Rg8 31.Kf1 Rh8 32.Nf3 Rh3 33.Ke2 Nd6 34.Ne5 Kd8 35.Nf7! Nf7 36.Rcc8 Ke7 37.Ra7 Ke6 38.Re8 Kf6 39.Rf8 Rh7 40.Rb7 b5 41.Rb5 Ke7 42.Rf7! Kf7 43.Rb7 Kf6 44.Rh7 1–0. elsh1403 – piki127 (1645), kurnik, 2011.

5.e4 Ne5 6.Qh5 Kf8 7.Qh4 Qe7 8.Nf3 Nf3 9.gf3 e5 10.Bc4 Qd6 11.Rg1 Ne7 12.Qh6 Ke8 13.Qh7 c6 14.Bf7 Kd8 15.Bg7 b6 16.Qh8 Kc7 17.Bf6 Ba6 18.Qg7 c5 19.Be5 Nc6 20.Bd6 Kd6 21.Rg6 Kc7 22.Be6 Rd8 23.Qf6 de6 24.Qe6 Bc8 25.Qc6 Kb8 26.Rd6 Rd6 27.Qd6 Kb7 28.Nc3 Bc3 29.dc3 Ka8 30.a4 Kb7 31.a5 ba5 32.Ra5 Ka8 33.Rb5 a6 34.Qb8# 1–0. Nautiluschess – Gooch, ICS blitz, 2000.

5.e4 Qe7 +–.

4.Bh8 Qe7

5.c3 Ba5 +–.

5.c3 Bd6 6.e4 Nc6 7.d4 e5 8.Bc4 Nh6 9.Qh5 Nf7 10.Qh7 Qf8 11.Bg7 Qg7 12.Qg7 Ne7 13.Qf7 Kd8 14.Qf8# 1–0. MarcosRamos – suri5, internet, 2007.

5.c3 Bd6 6.e4 Nh6 7.Qh5 Kd8 8.Qh6 (8.Qh6 Be5 9.d4+–) 1–0. pierre – LurZa_boY, internet, 2008.

5.e3 Ba3 6.Na3 Qa3 7.Qh5 Kf8 8.Qh7 Qb2 9.Bg7 Kf7 10.Bh6 Ke8 11.Qg8 Ke7 12.Rd1 Nc6 13.Qf8 1–0. qarqua – emr2turbo93, caissa.com, 2004.

5.e3 Nc6 6.Qh5 Kd8 7.Bd3 d5 8.Qh7 (8.Qh7 Qh7 9.Bh7+–) 1–0. carocan (1840) – zezoprof, kurnik, 2011.

5.e3 Nc6 6.Qh5 Qf7 7.Qf7 Kf7 8.c3 Ba5 9.d4 d5 10.Bd3 Bd7 11.Bh7 Nh6 12.Bf6! Kf6 13.Bd3 Rg8 14.g3 Ng4 15.h3 Nh6 16.Ne2 e5 17.0–0 e4 18.Bb5 Bh3 19.Nd2 Bf1+/– 20.Rf1 Ne7 21.Nf4?? Bc3 22.Nb3 Ng4 23.Be2 b6?? 24.Kg2 c6+= 25.a4 Nf5?? 26.Bg4+– Rg4 27.Kh3 Rg8? 28.Rc1+– Rh8 29.Kg2 Bb4 30.Rc6 Bd6 31.Nd5 Ke6 32.Nf4 Kd7 33.Rc1 Rg8 34.Kf1 Bf4 35.ef4 Kd6 36.Ke2 Kd5 37.Rc7 Rg7 38.Rg7 Ng7 39.g4 Ne6? 40.Ke3 a6 41.f3 ef3 42.Kf3 b5 43.ab5 ab5 44.g5 1–0. amator111 (1790) – rsofroni, kurnik, 2011.

5.e3 Nh6 6.Qh5 Nf7 7.Qh7 Nc6 8.Qg8 Qf8 9.Qf8 Kf8 10.Bf6 e5 11.Nf3 d6 12.Bc4 Nh6 13.0–0 Bg4 14.Be2 Kf7 15.Bg5 Nf5 16.c3 Bc5 17.d4 Bb6 18.Nbd2 Rg8 19.h3 Bf3 20.Nf3 e4 21.h4 ef3 22.Bf3 Nce7 23.Be7 Ke7 24.g3 Nh4 25.Bb7 Nf5 26.c4 Kd7 27.Be4 Nh6 28.a4 c6 29.d5 cd5 30.Bd5 Rg7 31.a5 Bd8 32.a6 Bf6 33.Rab1 Be5 34.Rb7 Ke8 35.Rg7 Bg7 36.Rb1 Be5 37.Rb7 Nf5 38.Ra7 Ne7 39.Ra8 Kd7 40.a7 (40.a7 Bd4 41.ed4 Nc6 42.Bc6 Kc6 43.Rd8 Kb7 44.a8Q Kb6 45.Rb8 Kc7 46.Qb7) 1–0. Fournier,Frederic (1760) – omega06 (1660), 3 min +0s Chess16.com, 2008.

5.e4 d5 6.a3 Bd6 7.Nc3 +–.

5.e4 Nh6 6.Qh5 (6...Nf7 7.c3+–) 1–0. abt – georgizh, Caissa.com, 2004.

5.Nf3 Nh6 6.e3 Nf5 7.c3 Bd6 8.Bd3 h6 9.Qc2 Qh7 10.Bf6 Nc6 11.Bf5 ef5 12.0–0 b6 13.d4 Bb7 14.Be5 Be5 15.Ne5 Ne5 16.de5 0–0–0 17.Nd2 Qg7 18.g3 Qe5 19.Qd3 h5 20.f4 Qe6 21.Nf3 Qc6 22.Rad1 h4 23.c4 h3 24.Qd5 Qa4 25.Qf5 Qa2?? 26.Rf2 Qc4 27.Qh3 Qc5 28.Re1 Re8 29.Nd4 Ba6 30.Rc2 Qd5 31.Qg2 Qg2 32.Kg2 c6 33.Kf2 Rh8 34.h4 Rg8 35.Rec1 Bb7 36.Nf5 c5 37.Nd6 Kc7 38.Nb7 Kb7 39.Ra1 a5 40.Ra4 d5 41.Kf3 Rd8 42.g4 Kc6 43.g5 Kb5 44.Ra1 c4 45.Rb1 Kc5 46.h5 b5 47.h6 b4 48.Ra2 1–0. Fournier,Frederic (2015) – drikeknigth (1700), Active (5/0), 2004.

3.Bg7 Nf6

4.Bh8 b6 5.e3 Ke7 6.Bf6 Kf6 7.Qf3 Ke7 8.Qa8 Nc6 9.Bb5 1–0. algernon (2155) – guerino (2230), net–chess.com, 2003.

4.Bh8 Bc5 5.d4 Bb6 6.e3 Ne4 7.Nf3 Qf6?? 8.Bf6 Nf6 9.Bd3 Nc6 10.c4 d5 11.0–0 Bd7 12.c5 Ba5 13.Qb3 0–0–0 14.Nc3 Bb4 15.a3 Bc3 16.Qc3 Rg8 17.a4 Nd8 18.Ne5 Nh5 19.f4 f6 20.Nd7 Kd7 21.Rf3 c6 22.Bh7 Rg7 23.Qd3 Kc7 24.Bg6 Nf4 25.Rf4 f5 26.Bf5 ef5 27.Qf5 b6 28.Qe5 Kb7 29.Qg7 Ka6 30.Rf8 Ne6 31.cb6 Ng7 32.b7 Kb7 33.Rf7 Ka6 34.Rg7 Ka5 35.Ra7 Kb4 36.a5 c5 37.dc5 Kc5 38.Rb7 Kc4 39.Rc1 Kd3 40.Rb3 Ke4 41.Rf1 Ke5 42.Rb4 d4 43.Rd4 Ke6 44.Rc1 Ke5 45.Rc5 Ke6 46.Rh4 Kd6 47.Rg5 Ke7 48.Rh6 Kf7 49.Rb5 Ke7 50.Rb7 Kf8 51.Rh8# 1–0. Trkn – chinoroc, itsyourturn.com, 2000.

4.Bh8 Bc5 5.e3 Ne4 6.Qh5 Nf6 7.Qc5 b6 8.Qd4 Nd5 9.c4 Nc6 10.Qe4 Nf6 11.Qh4 Ng8 12.Qd8 Nd8 13.Nf3 Bb7 14.Bd3 Ne7 15.Nc3 Ndc6 16.Be4 0–0–0 17.Nb5 Rh8 18.Bc6 Nc6 19.d4 a6 20.Nc3 Rg8 21.g3 Ne7 22.d5 ed5 23.cd5 Nd5 24.Kd2 Nc3 25.Kc3 Bf3 26.Rhe1 Rg6 27.e4 Rc6 28.Kd4 b5 29.Re3 Rc4 30.Kd3 Bg2 31.Rae1 Bh3 32.e5 Be6 33.f4 h5 34.h4 b4 35.Re4 Rc3 36.Kd2 Bf5 37.Rb4 Rc2 38.Kd1 Ra2 39.Re2 Bg4 40.Rbe4 Be2 41.Re2 Ra1 42.Kd2 Ra3 43.Rg2 Ra2 0–1. Nautiluschess – TurboRose, ICS blitz, 2000.

4.Bh8 Bc5 5.Bf6 Qf6= 6.Nf3 Qa1 7.e3 d5 8.Be2 Nc6 9.0–0 Qg7 10.g3 e5=+ 11.Nc3 e4 12.Nh4 Be6 13.Nb5 0–0–0 14.d4 Bd6 15.Nd6= Rd6 16.Qb1 b6 17.Qb5 Na5 18.Qa6 Kb8 19.Qb5 Nc4 20.Qe8 Kb7 21.Bc4 dc4 22.Rb1 Qg4 23.Qb5 Qe2 24.a4 Qc2 25.a5 c3 26.a6 Kb8 27.Qe8 Bc8 28.Qb5? Qd2 29.Nf5 Re6 30.d5 c2 31.Rf1 Rf6 32.Ne7 c1Q 33.Rc1 Qf2 34.Kh1 Qf3 35.Kg1 Qe3 36.Kh1 Qf3 37.Kg1–+ Qf2 38.Kh1 Qf3 39.Kg1 Qe3 40.Kh1 Qc1 41.Kg2 Qd2 42.Kg1 Qf2 43.Kh1 Qf1 44.Qf1–+ Rf1 45.Kg2 Rf6 46.Nc6 Ka8 47.Ne7 Bg4 48.h3 Bd7 49.g4 b5 50.Ng8 Rg6 51.Ne7 Rd6 52.Kf2 Kb8 53.Ke3 c5 54.Ke4 c4 55.Kd4 Kc7 56.Kc3 Kb6 57.Kb4 Rf6 58.Nf5 Bf5 59.gf5 Rf5 (59...Rf5 60.Kc3 Rd5 61.Kb2 f5 62.Kc2 f4 63.Kb1 f3 64.Kc1 f2 65.h4 f1Q 66.Kb2 Rd2 67.Kc3 Qd3 68.Kb4 Qb3) 0–1. Fournier,Frederic (1970) – pedropere, Active (3/3), 2005.

4.Bh8 Nc6 5.e3 d5 6.Nf3 Bd7 7.Be2 Qe7 8.0–0 0–0–0 9.Bf6 Qf6 10.Nc3 d4 11.Nb5 de3 12.fe3 Rg8 13.Nfd4 Qg7 14.g3 e5 15.Nc6 Bh3 16.Nba7 Kd7 17.Ne5 Qe5 18.Rf7 Kd6 19.Qe1 Qe4 20.Rf2 Ba3 21.Nb5 Kd7 22.Na3 Rf8 23.Bg4 Bg4 24.Rf8 Bh3 25.Qf2 Qe5 26.Qf7 Kc6 27.Qe8 Qe8 28.Re8 h5 29.Rb1 b6 30.Rb5 Bd7 31.Ree5 Kb7 32.Rb4 Bc6 33.Rh5 Ka6 34.Nc4 b5 35.Rhb5 Bb5 36.Rb5 1–0. valpa – Nylson, playchess.de, 2002.

4.Bh8 d5 5.a3 Ba5 6.Nf3 Nc6 7.e3 Bd7 8.Bb5 Qe7 9.Nc3 0–0–0 10.Bc6 Bc6 11.Ne5 Rh8 12.Nc6 bc6 13.Qe2 Rg8?? 14.Qa6 Kd7 15.Qa5 Rg2 16.Ne2 Ne4 17.0–0–0 Nf2 18.Rdg1?? Qf6?? 19.Nd4 Nh1+/– 20.Rg2?? Qf1–+ 21.Kb2 Qg2 22.Qc5 Qh2 23.Qc6 Ke7 24.Qc5 Qd6 25.Qa7 Qb6 26.Qb6 cb6 27.a4 h5 28.Nf3 f6 29.Kc3 Ng3 30.Kd4 Kd6 31.c4 e5 32.Kc3 Ne4 33.Kd3? Ng5 34.Nh4 Nf3! 35.Nf3? e4–+ 36.Ke2 ef3 37.Kf3 dc4 38.Kf4 Ke6 39.Ke4 f5 40.Kf4 Kf6 41.Kf3 Ke5 42.Kg3 Ke4 43.Kh4 Kd3 44.Kg5 Kd2 45.Kf5 c3 46.e4 c2 47.e5 c1Q 48.e6 Qc5 49.Kf6 h4 50.e7 Qc6 51.Kf5 Qa4 (51...Qa4 52.Kg6 Qe8 53.Kg5 h3 54.Kf4 h2 55.Kg5 Qe7 56.Kf4 Qf6 57.Kg4 h1Q 58.Kg3 Qff3) 0–1. orangutanb4 (1935) – saqipi (1795), kurnik, 2011.

4.Bh8 d5 5.Nf3 Nc6 6.e3 Qe7 7.a3 Bd6 8.Nc3 Bd7 9.Nb5 a6 10.Nd6 cd6 11.c4 dc4 12.Bc4 d5 13.Be2 1–0. Fournier,Frederic (2295) – cptnNEMO, Active, 2007.

4.Bh8 d5 5.Bf6 Qf6 6.c3 Bc5 7.d4 Bb6 8.e3 c5 9.Qf3 Qf3 10.Nf3 cd4 11.cd4 Ba5 12.Nbd2 Bd7 13.Bd3 h6 14.0–0 Nc6 15.Nb3 Bb6 16.Bb5 0–0–0 17.Rfc1 Kb8 18.Bc6 Bc6 19.Ne5 Be8 20.a4 a5 21.Nc5 h5 22.Ned3 f5 23.Rcb1 Ka7 24.Ne6 Rc8 25.Ndc5 Bg6 26.Nd7 Bc7 27.Nc7 Rc7 28.Nc5 f4 29.Rb7! Rb7 30.Nb7 Kb7 31.Rb1?? Bb1 32.ef4 Bc2 33.h3 Ba4 34.Kf1! Bc2 35.Ke2! a4 36.Kd2! Be4 37.f3 Bf5 38.g4 hg4 39.fg4 Be4 40.h4 a3 41.Kc3 a2 42.Kb2 Bb1 43.h5 Kc7 44.h6 Kd7 45.f5 Ke7 46.h7 Bf5 47.h8Q a1Q 48.Ka1 Bg4 49.Qh4 1–0. mtr – Trenti, Internet, 2001.

4.Bh8 d5 5.Bf6 Qf6 6.c3 Bc5 7.d4 Bd6 8.Qd3 c5 9.e3 Nc6 10.Qh7 e5 11.Qg8 Ke7 12.Nf3 ed4 13.Qg5 dc3 14.Qf6 Kf6 15.Nc3 d4 16.ed4 (16.ed4 Nd4 17.Ne4 Ke7 18.Rd1 Nf3 19.gf3+–) 1–0. bratek55 (1670) – s1q2, kurnik, 2011.

4.Bh8 Bd6 5.e3 Be5 6.c3 Nc6 7.Nf3 d6 8.Ne5 de5 9.d4 ed4 10.cd4 Nb4 11.Bd3 a5 12.0–0 Nd3 13.Qd3 Bd7 14.Nc3 c6 15.Ne4 Ne4 16.Qe4 f5 17.Qf3 Qg5 18.Be5 0–0–0 19.Rab1 b5 20.Rb2 Rg8 21.Rc1 Kd8 22.Rc6 Bc6 23.Qc6 b4 24.Qd6 Ke8 25.Qc6 Ke7 26.Bd6 Kf6 27.Qf3 Kf7 28.Bf4 Qg6 29.Rc2 Ke7 30.Rc7 Kf6 31.Be5 Kg5 32.Qg3 Kh6 33.Bf4 Kh5 34.Qh3# 1–0. Nautiluschess – Mejvik, ICS blitz, 2001.

4.Bh8 Bd6 5.Nf3 Ba3 6.Na3 b6 7.e3 Bb7 8.Be2 Nc6 9.0–0 Qe7 10.Nc4 0–0–0 11.Bf6 Qf6 12.a4 a5 13.d4 Qg6 14.Nce5 Ne5 15.de5 Rg8 16.g3 h5 17.Qd3 Qg7 18.c4 f6 19.c5! fe5 20.cb6 cb6 21.Rfc1 Kb8 22.Qd6 Ka7 23.Rc7 Rc8 24.Rac1 Rc7+– 25.Rc7 Qg4 26.Qd3 e4 27.Qa6 Kb8 28.Qb7 1–0. Fournier,Frederic (1700) – fercosan (1730), Active (5/0), 2004.

4.Bh8 Bd6 5.Nf3 Nc6 6.e3 Kf8 7.d4 Ng4 8.h3 Nf6 9.Bd3 Ke7 10.Bf6 Kf6 11.Nbd2 Ke7 12.0–0 Ke8 13.c4 Ne7 14.c5 Bc5 15.dc5 d6 16.cd6 Qd6 17.Ne4 c6 18.Nd6 Kf8 19.Ng5 f6 20.Nh7 Kg8 21.Qg4 Kh8 22.Nf7 1–0. Mely (2625) – sheley, ChessWorld.net, 2003.

4.Bh8 Bd6 5.Bf6 Qf6 6.Nc3 Be5 7.Rb1 Bc3 8.dc3 Qc3 9.Qd2 Qd2 10.Kd2 Nc6 11.Nf3 d5 12.e3 Bd7 13.Bb5 0–0–0 14.Bc6 Bc6 15.Nd4 Rd6 16.Nc6 Rc6 17.Rb3 Rc4 18.Rhb1 b6 19.Rb4 Rc5 20.e4 Rb5 21.Rb5 1–0. horacyad2010 – posicka, kurnik, 2011.

4.Bh8 Qe7 5.c3 Bc5 6.d4 Bd6 7.Bf6 Qf6 8.e3 Nc6 9.Bd3 Qh6 10.Nf3 e5 11.0–0 ed4 12.ed4 Kd8 13.Qd2 Bf4 14.Qb2 d5 15.Re1 Bg4 16.Nbd2 b6 17.c4 dc4 18.Bc4 f5 19.d5 Ne7 20.Qh8 Kd7 21.Qa8 Bd2 22.Re6 Qf4 23.Bb5 c6 24.Bc6 Nc6 25.Qc6 Kd8 26.Re8# 1–0. Pommerel,Wim – Van Breda, CiF–CP1–89–0469B, 1989.

4.Bh8 Kf8 5.c3 Ba3 1–0. carocan (1730) – robokiller, kurnik, 2011.

4.Bh8 Ne4

5.c3 Bc5 6.d4 Bf8 7.Nd2 Nc3 8.Qc2 +–.

5.c3 Qh4 6.Bd4 Bd6 7.Nf3 Qg4 8.h3 Qg6 9.e3 Nf2 10.Kf2 Bg3 11.Kg1 b6 12.Ne5 Be5 13.Be5 Bb7 14.Qg4 Nc6 15.Bc7 Qc2 16.Na3 Qb2 17.Nb5 (17...Ne7 18.Nd6 Kf8 19.Qh5 Ng6 20.Qh7 Nh8 21.Nf5 Ng6 22.Bd6 Ke8 23.Qg8 Nf8 24.Qf8#; 17.Qg8 Ke7 18.Qg5 Kf8 19.Bd6 Ne7 20.Be7 Ke8 21.Bd6 Qa1 22.Qe7#) 1–0. cagey – TICTAK, caissa.com, 2004.

5.c4 Bd2 6.Nd2 Qg5 7.Ne4 Qa5 8.Bc3 Qb6 9.Qd4 Qd4 10.Bd4 d5 11.cd5 ed5 12.Ng5 Bf5 13.e3 Nc6 14.Bb5 0–0–0 15.Bc6 bc6 16.N1f3 Rg8 17.h4 h6 18.Nh3 Bh3 19.gh3 Rg2 20.Ke2 Kd7 21.Ne5 Kd6 22.Rab1 c5 23.Nf7 Ke6 24.Nh6 cd4 25.ed4 Rg6 26.Rb6 Kd7 27.Rg6 c5 28.Rg7 Kd6 29.Rhg1 cd4 30.R1g6 Kc5 31.Kd3 Kb4 32.Rb7 Kc5 33.Re6 a5 34.Ree7 a4 35.Nf5 a3 36.Rec7# 1–0. slavisa99 – kilmer49, caissa.com, 2004.

5.c4 d5 +–.

5.Nf3 d5 6.Bb2 Nc6 7.e3 Nf2 8.Kf2 Qd6 9.Bb5 Bd7 10.Be5! Ne5 11.Ne5 Bb5 12.Qh5 0–0–0 13.Nf7 Qc5 14.Nd8 Kd8 15.c3 Ba5 16.a4 Ba6 17.Na3 Qe7 18.Rhd1 Bd3 19.Nb5 a6 20.Nd4 Bg6 21.Qe5 c5 22.Ne6 Kd7 23.Nc5! Qc5 24.Kg1 Bc7 25.Qd4 Qd6 26.g3 h5 27.c4 Be4 28.cd5 Bd5 29.Rab1 b6 30.Rdc1 h4 31.e4 b5 32.Qd5 Bb6 33.Kg2 hg3 34.Qd6 Kd6 35.hg3 Ke5 36.ab5 ab5 37.Rb5 Bc5 38.Rcc5 (38.Rcc5 Kd6 39.d4 Ke7 40.Rb7 Kf6 41.Rc6 Kg5 42.Rb5 Kg4 43.Rg6; 38.Rbc5 Kd6 39.d4 Ke7 40.Rc7 Kf6 41.R1c6 Kg5 42.Rg7 Kh5 43.g4 Kh4 44.Rh6) 1–0. nizinna – augerot, kurnik, 2011.

4.Bh8 Ke7

5.c3 Bd6 6.Bf6 Kf6 7.Nf3 Nc6 8.e4 Ke7 9.d4 b6 10.e5 Be5 11.Ne5 Ne5 12.de5 Bb7 13.f3 Qg8 14.Qd2 Rd8 15.Qf4 d6 16.Nd2 de5 17.Qe5 Rd5 18.Qf4 Qg7 19.Ne4 Re5 20.Qf6 Qf6–+ 21.Kf2 Re4 22.Bd3 Ra4 23.Rhd1 Qc3 24.Kg3 Qg7 25.Kf2 Rd4 26.Rd2 Rd3! 27.Rd3 Qa1 28.Kg3 Qa2 29.Rd1 Qc4 30.h3 Qc2 31.Rd4 Qg6 32.Rg4 Qb1 33.Kf2 Qc2 34.Kg3 h5 35.Rg7 Qd1 36.Rh7 Qe1 37.Kf4 e5 38.Kg5 Qe3 39.Kh5 Qf4 40.Rg7 Bd5 41.Rg4 Qf5 42.Rg5 Qh7 43.Kg4 Be6 44.Kg3 f6 45.Rg4 Bg4 46.hg4 f5 47.g5 f4 48.Kg4 Qh2 49.Kf5 Qg2 50.g6 Qf3 51.Ke5 Qe3 52.Kf5 Qe6 53.Kf4–+ Kf6 54.g7 Qe5 55.Kf3 Kg5 56.g8Q Kf5 57.Qh7? Ke6 58.Qg6 Kd5 59.Qf7 (59...Kc5 60.Qg6–+). slavisa99 – Justfish33, caissa.com, 2004.

5.Bf6 Kf6

6.c3 Ba3 7.Na3 1–0. Fournier,Frederic (1830) – artes, A match in KasparovChess Playing Zone, 2002.

6.c3 Be7 7.e3 d5 8.Qh5 Qg8 9.Nf3 Nc6 10.d4 e5 11.de5 Kg7 12.Bd3 Kh8 13.g4 Bg4= 14.Rg1 Bh5 (15.Rg8 Rg8=+). slavisa99 – step8, caissa.com, 2004.

6.e3 d5 7.Nh3 c5 8.Qh5 Ke7 9.Ng5 Kd7 10.Qf7 Kc6 11.Nh7 c4 12.c3 Ba5 13.e4! Na6 14.ed5 Qd5 15.Nf6 Qe5 16.Be2 Nc5 17.Qe8 Kb6 18.Nd7! Nd7 19.Na3 Kc5 20.Nc4 Qc7 21.d4 Kd5+– 22.Qh5 e5 23.Ne3 Kc6 24.Bf3 Kb5 25.a4 Ka6 26.Be2 b5+– 27.Bb5 Kb7 28.Qf3 Kb8 29.Rb1 Bb7 30.Bc6 Nb6 31.Nc4 Bc6 32.Qf8 Kb7 33.Na5 Ka6 34.Qc5 Na4 35.Qc6 Qc6 36.Nc6 Nc3 37.Rb3 ed4 38.0–0 Ne2 39.Kh1 Rc8 40.Ra1 1–0. rabelloenter (1960) – mlaurent (1915), net–chess.com, 2006.

6.e3 Kg7 7.Qg4 Kh8 8.Qb4 Qf6 9.Qf8# 1–0. pereira – oppo, internet, 2009.

6.e3 Qg8 7.Qf3 Ke7 8.Qg3 Qh8 9.c3 Bd6 10.Qh4 Ke8 11.d4 Nc6 12.Nf3 b6 13.Nbd2 Be7 14.Qh6 d6 15.Bd3 Kd7 16.Qh7 1–0. van Rooijen,Peter – van Dijk,Edgar, C–2001–557 (FCV), 2001.

3.Bg7 Qg5

4.Bh8 b6 5.Nf3 Qe7 6.c3 Bc5 7.d4 Ba3 8.Qd3 Ba6 9.Qh7 Nf6 10.Bf6 Qf6 11.Na3 Ke7 12.e4 Bb7 13.e5 Qg6 14.Qg6 fg6 15.Ng5 Nc6 16.Bd3 Na5 (16...Na5 17.f3 Rg8+–) 1–0. Kuroro Lucifer – crazy 8, ChessWorld.net, 2005.

4.Bh8 Bc5 5.Bb2 Qf5 6.Nf3 1–0. Fournier,Frederic – bagoneta (1720), Active (5/0), 2004.

4.Bh8 Bc5 5.Nf3 Qf5 6.Bb2 b6 7.e3 Bb7 8.Be2 Nc6 9.d4 Bd6 10.Nbd2 0–0–0 11.c4 Nge7 12.a4 Na5 13.Bc3 Nec6 14.Ba5 Na5 15.Nb3 Bf3 16.Bf3 Nc4 17.Qe2 Na5 18.Na5 Qa5 19.Kf1 f5 20.g3 h5 21.Kg2 Rh8 22.h4 Bb4 23.Rhc1 d5 24.Qb5 Qb5 25.ab5 Kb7 26.Rc6 Rg8 27.Re6 Rh8 28.Rf6 Bc3 29.Rc1 (29.Rc1 Bd2 30.Rc2+–) 1–0. Fournier,Frederic (1880) – cobralunar, Active (5/0), 2005.

4.Bh8 Bc5 5.Nf3 Qg6 6.Bb2 d5 7.e3 Bd6 8.c4 f6 9.d4 Ne7 10.Nbd2 Nbc6 11.c5 Bc5 12.dc5 Qf7 13.Bb5 a6 14.Qa4 Bd7 15.Bc6 Bc6 16.Qh4 Qg6 17.Qf6 Qg2 18.Qh8 Ng8 19.Rg1 0–0–0 20.Rg2 h6 21.Rg8 b6 22.Rd8 Kb7 23.Ra8 Bb5 24.Qb8 Kc6 25.Ne5 Kc5 26.Nb3 Kd6 27.Qf8 1–0. gtate – mrsm, net–chess.com, 2001.

4.Bh8 Bc5 5.Nf3 Qh6 6.d4 Bb6 7.Nbd2 Nc6 8.e4 d6 9.c3 Bd7 10.a4 (10.Nc4 Nf6 11.Qc2 Nh5+–) 10...a6 (10...Nge7 11.Nc4 Na5 12.e5 Nc4 13.Bc4+–) 11.Nc4 0–0–0 12.Nb6 cb6 13.Qd2 Nge7 (13...Qg6 14.Qf4 Re8+–) 14.Qh6 Rh8 15.Qf6 Rg8 16.Rb1 d5 17.Qf7 de4 18.Nd2 Rd8 19.Ne4 Ng6 20.Rb6 Na5 21.Qh7 Nf4 22.Qe7 (better is 22.Nc5 Nd5 23.Rd6+–) 22...Ba4 23.Nd6 Kb8 (23...Rd6 24.Rd6 Nc6 25.Qe8 Kc7 26.Rd7 Kb6 27.Qc8 Ka5 28.Rb7 Nd3 29.Bd3 Bb3 30.Qc6 Bc4 31.Qc5 Ka4 32.Qb4#) 24.Rb7 (24...Nb7 25.Qb7#) 1–0. market (2240) – p1, GameColony.com, 2003.

4.Bh8 Nc6 5.Bc3 Bc5 6.Nf3 Qf5 7.e3 d5 8.d4 Bd6 9.Bd3 Qg4 10.0–0 Bd7 11.Ne5 Qd1 12.Rd1 Be5 13.de5 0–0–0 14.Bd4 Nh6 15.Nd2 Rg8 16.g3 Ng4 17.c4 Rg5 18.cd5 ed5 19.Nf3 Rh5 20.h4 Nb4 21.Be2 Nc2 22.Rac1 Nd4 23.Nd4 c6 24.Nb5 a6 25.Nd6 Kc7 26.Nf7 Be6 27.Ng5 Rh6 28.Ne6 Re6 29.Bg4 Re5 30.Kg2 b5 31.Bf3 a5 32.Rd5 Rd5 33.Bd5 Kd6 34.Bc6 1–0. Fournier,Frederic (1720) – yakka, Active, 2008.

4.Bh8 Nc6 5.e3 Nh6 6.Nf3 Qg6 7.Nc3 f6 8.Bd3 Qf7 9.Nb5 Ba5 10.Nbd4 d6 11.Nc6 bc6 12.Nd4 Bd7 13.Bf6! Qf6 14.Qh5 Nf7 15.Qa5 c5 16.Nb3 Ke7 17.f4 Nd8 18.0–0 Nc6 19.Qc7 Rc8 20.Qb7 1–0. pierre – SidiBoydia, internet, 2011.

4.Bh8 Bd2 5.Qd2 h6 6.Qg5 Nc6 (6...hg5 7.Nc3 Nc6+–) 7.Qg8 Ke7 8.Bg7 b5 9.Qf8 1–0. _chess_ (1925) – lady, gameknot.com, 2011.

4.Bh8 d5 5.Nc3 +–.

4.Bh8 Qf5 5.c3 Bc5 6.d4 Bb6 7.Nd2 Nc6 8.e4 Qg6 9.e5 f6 10.ef6 Nf6 11.Bf6 Qf6 12.Ngf3 d6 13.Bd3 e5 14.de5 Ne5 15.Ne5 Qf2 0–1. iczker – prety, kurnik, 2011.

4.Bh8 Qf5 5.Bc3 Bc5 6.Nf3 h5 7.e3 Bd6 8.Bd3 c5 9.Bf5 ef5 10.Nh4 Nf6 1–0. Fournier,Frederic – Ithorian Guy, Active (5/0), 2005.

4.Bh8 Qf5 5.e3 Nh6 6.Nf3 Ng4 7.Bd3 Qd5 8.0–0 Qh5 9.h3 Nf6 10.Bf6 Be7 11.Be7 Ke7 12.Be2 a5 13.d4 Nc6 14.Ne5 Nb4 15.Bh5 d6 16.Nf7 b6 17.c3 Nd5 18.c4 Nf6 19.Nc3 Nh5 20.Qh5 Ba6 21.Nb5 Bb7 22.Nc7 Rf8 23.Ne6! Ke6 24.Nd6! Kd6 25.c5 bc5 26.dc5 Kc6 27.Rab1 Rd8 28.Rfd1 Rg8 29.Qh6 Rg6 30.Rd6 Rd6 31.Qd6# 1–0. babo – Roseeis, internet, 2006.

4.Bh8 Nf6 5.Nf3 Qc5 6.Bf6 (6...Qf5 7.Bc3+–) 1–0. Bonetti,Shane – volkswagenbetle, ICC, 2002.

4.Bh8 Nf6 5.Nf3 Qg6 6.Bf6 Qf6 7.c3 Bc5 8.e3 Nc6 9.Be2 d5 10.0–0 b6 11.d4 Bd6 12.Nbd2 Bb7 13.e4 de4 14.Ne4 Qe7 15.Nd6 Qd6 16.Qd3 0–0–0 17.a4 e5 18.Qc4 ed4 19.cd4 Qg6 20.g3 Qe4 21.Rfe1 Nd4+= 22.Nh4?? Ne2 23.Qe2 Qh1 0–1. Fournier,Frederic – CHICK197878, Partie évaluée, 1m + 2s, 2009.

4.Bh8 Nf6 5.Nf3 Qg8 6.Bf6 Nc6 7.Nc3 Bc3 8.Bc3 b6 9.e4 Ba6 10.Ba6 Qg2 11.Rg1 Qh3 12.Rg8 Ke7 13.Ra8 Qg2 14.d4 Qh1 15.Bf1 b5 1–0. guest88 – guest1641, ICC, 2003.

4.Bh8 Nf6 5.Bf6 Qf6 6.c3 Nc6 7.e3 Bc5 8.d4 Bb6 9.Nf3 e5 10.Nbd2 ed4 11.cd4 Nd4 12.ed4 Bd4 13.Nd4 Qd4 14.Rc1 Qe5 15.Be2 a5 16.0–0 b5 17.Re1 Ra6 18.Bb5 Qe1 19.Qe1 Re6 20.Ne4 Ke7 21.Rc7 Kd8 22.Qa5 Re4 23.Rd7 (23...Ke8 24.Qd8) 1–0. Mehlhorn,Uwe – Abersfelder,Michael, remoteschach.de, 2003.

4.Bh8 Nh6 5.Bb2 Nc6 6.e3 a6 7.Nf3 Qc5 8.Be2 d5 9.0–0 Qa5 10.c3 Bc5 11.d4 Bd6 12.a4 Ne7 13.Nbd2 e5 14.de5 Bc5 15.Nb3 Qb6 16.Nc5 Qc5 17.Ba3 Qc3 18.Be7 Ke7 19.Rc1 Qa3 20.Rc7 Kd8 21.Rc1 Bd7 22.Qd5 Qb4 23.Rcd1 (23...Qa4 24.Qb7+–; 23.Rfd1!? Ke8 24.Qd7 Kf8+–) 1–0. annmarie – MATRIXX2, caissa.com, 2004.

4.Bh8 Nh6 5.e3 f6 6.Qf3 Nc6 7.Qf6 Qf6 8.Bf6 d5 9.c3 Bd6 10.Nf3 Ng4 11.h3 Nge5?? 12.Ne5 Ne5 13.d4 Nc6 14.Bb5 Bd7 15.Nd2 Be7 16.Bc6 Bc6 17.Be7 Ke7 18.0–0 Bb5 19.Rfb1 c6 20.Nb3 Kd6 21.Nc5 b6 22.Nb3 Bd3 23.Rc1 a5 24.Nd2 c5 25.dc5 Kc5 26.Nb3 Kc4 27.Nd2 Kc5 28.Nf3 Be4 29.Nd4 e5 30.Ne6 Kc4 31.Ng5 (31.Ng5 Bg6 32.f4+–) 1–0. makaveli1982 – Robin@Belgium, internet, 2007.

4.Bh8 f6

5.a3 Bc5 6.Nf3 Qf5 7.Nc3 d5 8.d4 Bb6 9.e3 Nc6 10.Bd3 Qg4 11.0–0 Bd7 0–1. wlittle (2295) – pcanrkja, net–chess.com, 2004.

5.Nf3 Qc5 6.Bg7 Qe7 7.c3 Bd6 8.Bh8 Nh6 9.e3 (better is 9.Qc2 Kf8 10.Qe4 Kg8+–) 9...Qf8 10.Bf6 Qf6 11.Bd3 Qg7 12.0–0 Ng4 13.h3 Ne5 14.Be4 Nbc6 15.d4 Nf3 16.Qf3 b6 (16...h6+–) 17.Bc6 Rb8 18.Be4 e5 19.Qh5 Ke7 20.Qh7 Qf7 21.Qh4 Kf8 22.f4 Be7 (22...ef4 23.Qd8 Kg7 24.Qg5 Kh8+–) 23.Qh8 Qg8 24.Qe5 (24.fe5 Bf6 25.Qf6 Ke8 26.Bg6 Qf7 27.Qf7 Kd8 28.Qf6) 24...Bh4 (24...d6 25.Qd5+–) 25.Qf5 (better is 25.Qc7 Qg3 26.Rf3 Qe1 27.Kh2 Ke7 28.Qb8 Kd8 29.Qa7 b5 30.Qb6 Ke7 31.Qc5 d6 32.Qc7 Kf6 33.Qc8 Ke7+–) 25...Qf7 26.Qg4 Bf6 27.Nd2 d5 28.Bf5 Ba6 29.Rfe1 Ke7 30.Bg6 Rg8 31.Bf7 Rg4 32.hg4 Kf7 33.e4 Bb7 34.ed5 c5 35.d6 Ba6 36.g5 Bd8 37.Nf3 c4 38.Ne5 Kg7 39.Nc6 Bg5 40.fg5 b5 41.d7 Bb7 42.d5 a5 43.d8Q b4 44.Qf6 Kg8 45.d6 Bc6 46.g6 Bd5 47.Re8 1–0. willi_weizenkeim – mack, playchess.de, 2003.

5.Nh3 Qh4 6.a3 Bd6 7.Nc3 Nh6 8.g3 Qd4 9.e3 Qg4 10.Bf6 Qd1 11.Kd1 b6 12.Bg2 c6 13.Nb5 1–0. panah100 – Aesculap, playchess.de, 2002.

5.Nf3 Qh6 6.c3 Bc5 7.d4 Bd6 (7...Be7 8.Nbd2+–) 8.e4 Ne7 9.Nbd2 Qf8 (9...Nbc6 10.Nc4+–) 10.Bf6! Qf6 11.e5 Be5 12.Ne5 Nbc6 (12...d6 13.Ng4 Qg7 14.Qf3+–) 13.Qh5 Ng6 14.Ndf3 (14.Nc6 bc6 15.Qh7 Rb8+–) 14...d6 (14...Nce5 15.de5 Qg7 16.Bd3+–) 15.Ng4 (15.Nc6 bc6 16.Qh7 Qf7 17.Qf7 Kf7+–) 15...Qf4 (15...Qf5 16.Qf5 ef5 17.Nf6 Kf8 18.Kd2+–) 16.Bd3 Nce7 17.0–0 (17.Ng5!? e5 18.Bg6 Ng6 19.Nh7 Qf5 20.Nhf6 Kd8+–) 17...Bd7 18.Qg5 (18.h3!? 0–0–0+–) 18...0–0–0 19.Qf4 (19.Rfe1!? Rf8+–) 19...Nf4 20.Bh7 Ne2 21.Kh1 Rh8 22.Bd3 Nc3 23.Rfc1 Ncd5 24.Kg1 (24.Rab1 e5 25.Ne3 ed4 26.Nd5 Nd5 27.Nd4 b6+–) 24...e5 25.Ne3 Nf4 26.Bf1 Rg8 27.g3 (27.de5?! Nh3 28.Kh1 Nf2 29.Kg1 Nh3 30.Kh1 Nf2 31.Kg1 Nh3 32.Kh1 Nf2=) 27...e4 28.Nh4 (28.Nd2 Bc6+–) 28...Nc6 29.Rd1 Nb4 (29...Ne7 30.f3 Bc6 31.fe4 Be4 32.Rd2+–) 30.a3 Nbd3 (30...Nbd5 31.Nd5 Nd5 32.Bc4+–) 31.Bd3 (better is 31.f3!? d5 32.Nd5 Nd5 33.fe4 Ne3 34.Rd3 Nf1 35.Kf1 Bb5+–) 31...ed3 1–0. Atamer,T (1935) – Ozkahya,Emiray, Turkish Cup, 2015.

5.Nh3 Qh6 6.e3 Nc6 7.Nf4 d5 8.Nc3 Bd7 9.Qh5 Qh5 10.Nh5 Be7 11.Bd3 0–0–0 12.Bh7 Nh6 13.Bf6 Bf6 14.Nf6 Rh8 15.Rb1 1–0. marre – hossah, internet, 2010.

3.Bg7 Nh6

4.Bh8 Qe7 5.e4 e5 6.Qh5 Nc6 7.Qh6 f6 8.Be2 Na5 9.Bf6 Qd6 10.Bh5 1–0. pcmvr (1700) – edonaghy, net–chess.com, 2005.

4.Bh8 f6 5.Nf3 Kf7 6.Bf6! Qf6 7.c3 Bc5 8.e3 Nf5 9.Be2 Nc6 10.d4 Bd6 11.Nbd2 b6 12.Ne4 Qe7 13.Nd6 Qd6 14.g3 h5 15.Bd3 Bb7 16.Bf5 ef5 17.0–0 Ne7 18.Ne5 Kf6 19.Qh5 Ke6 20.c4 c5 21.Qf7 1–0. Fournier,Frederic – solrac80, Active, 2007.

4.Bh8 f6 5.Bg7 Nf5 6.Bh8 Qe7 7.e4 Nh6 8.c3 Bd6 9.Qh5 Nf7 10.Qh4 Nh8 11.Nf3 Ng6 12.Qh5 Qg7 13.Nh4 Nc6 14.Ng6 hg6 15.Qh4 b6 16.Bb5 Bb7 17.0–0 0–0–0= 18.g3 Rh8 19.Qg4 Qh6 20.h4 Ne5 21.Qe2 g5 22.Kg2 gh4 23.Rh1 h3 24.Kf1 h2 25.f4 Ng6?? 26.e5?? Bc5 27.d4 Bh1 28.dc5 Qh3 29.Kf2 Qg2 30.Ke3 Qg3 31.Kd2 Qf4 32.Kc2 Be4 33.Kb2 h1Q 34.Ba6 Kb8 35.Nd2 Qg2 36.Qe4 Qge4 37.Ne4–+ Qe4 38.Kb3 Ne5 39.Rd1 Nc6 40.Bb5 Na5 41.Kb2 Rh2 42.Ka3 Nc4 43.Kb3 Nd2 (43...Nd2 44.Kb2 Nb1 45.Rd2 Rd2 46.Kb3 Qc2 47.Kb4 Qc3 48.Ka4 Ra2#; 43...Rb2 44.Ka4 Qc2#) 0–1. ATUK – landrover, Live Game Caissa's Web, 2005.

2.Bb2 b5

3.a3 a5 4.ba5 Ra5 5.e3 c6 6.c4 bc4 7.Bc4 Nf6 8.Nf3 Be7 9.0–0 d5 10.Be2 Nbd7 11.Qc2 c5 12.Rc1 0–0 13.d3 Ra8 14.a4 Ba6 15.Na3 Qc7 16.Nb5 Qb6 17.d4 c4 18.Bc3 (better is 18.Nc3!?=) 18...Bb5–/+ 19.ab5 Qb5 20.Rcb1 Ra1 1–0. madik – irade92, gameknot.com, 2009.

3.a3 c6 4.Nf3 d5 5.e3 Nf6 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 b5).

3.a3 f6 4.e4 c6 5.Nf3 e5 6.Nh4 Nh6 7.c4 g6 8.cb5 f5 9.Nf3 Bd6 10.Ne5 cb5 11.Ng4 (11...Ng4 12.Bh8+–) 1–0. Wall,Bill (2365) – MajCoffee (2335), Microsoft Gaming Zone, 1999.

3.a3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b5).

3.a4 c6 4.Ra3 Nf6 5.h4 Bb4 6.h5? Ba3–+ 7.Na3 h6 8.Qa1 ba4 9.g4 d5 10.g5 hg5 11.h6 Nbd7 12.Nf3 Rh6 13.Rg1 g4 14.Ne5 Ne5 15.Be5 Rg6 16.e3 c5 17.Nb5 Ne4?? 18.Bg7?? Qh4 19.Rg2 Bd7 20.Nc7 Ke7 21.Na8 g3 22.f3–/+ Ng5 23.f4 Nf3–+ 24.Ke2 Nh2 25.Be5? Bb5 26.d3?? Qg4 27.Kd2 Qf3 28.Qe1 Nf1 29.Kc1 Ne3 30.Re2 g2 31.Rg2 Ng2 32.Qd2 Qe3 33.Qe3 Ne3 34.Nc7 Bd7 35.Na6 Nf5 36.Nc5 Rg2 37.Na4 Ne3 38.Nc3 Rc2 39.Kb1 d4! (39...d4 40.Bd4 a5–+) 0–1. xtom – callman (1630), kurnik, 2011.

3.c3 a5 4.e3 =.

3.c3 Bb7 4.Qc2 Nc6 5.Ba3 g6 6.e3 Ne5 7.Bd3?? Nd3–+ 8.Qd3 Bg2 9.h3 Bh1 10.c4 bc4 11.Qc4 Bg7 12.Nc3 Bb7 13.Qb5 Bc3 14.dc3 Rb8 15.c4 c6 16.Qa4 a6 17.Rd1 d5 18.c5 Nf6 19.b5 cb5 20.Qb4 Nd7 21.Nf3 Bc6 22.Nd4 Rc8 23.Nb5 Rg8 24.Nd6 Ke7 25.Nc8 Qc8 26.h4 Qb8 27.Qc3 Qh2 28.Qd2 Qh4 29.Bb2 Bb5 30.c6 Qh1# 0–1. soraya – ajeffries (1840), net–chess.com, 2008.

3.c3 c6 4.e4 e5 5.Qf3 Nh6 6.Bc1 c5 7.d3 g6? 8.a3 Nc6 9.Bh6 Bh6= 10.d4 c4 11.Qh3 Qg5–/+ 12.Nf3?? Qc1–+ 13.Ke2 Qb2 14.Nfd2 Bd2 15.Nd2 Qa1 16.d5 Nd4! 17.Ke3 Qc3 18.Bd3 Qd3# 0–1. Pekin Dragons – sr25sulu, ChessWorld.net, 2011.

3.c3 Ne7 4.a4 ba4 5.Ra4 Bb7 6.e3 a6 7.Nf3 h5 8.d4 Rh6 9.Bd3 Nbc6 10.0–0 Ng6 11.Nbd2 e5 12.Bg6+– Rg6 13.d5 Nb8 14.Ne5 Rg5 15.f4 Rg6? 16.Ng6 fg6 17.Qb1 c6 18.Qg6 Ke7 19.d6# 1–0. Wall,Bill – Tartaric, internet, 2002.

3.e3 Bb7 (--> 1.b4 b5 2.Bb2 Bb7 3.e3 e6).

3.e3 c6 4.Nf3 Nf6 (4...Bb4?? 5.Bg7 Nf6 6.Bh8+–) 5.a3 Bd6 6.c4 0–0 7.cb5 cb5 8.Bb5 Qb6 9.Be2 Ba6 10.Nc3 Rc8 11.b5 Bb7 12.0–0 a6 13.Rb1 a5 14.Na4 Qd8 15.Rc1 Ne4 16.Rc8 Qc8? (better is 16...Bc8 17.d3 Nf6+–) 17.Nb6 Qd8 18.Na8 Ba8 19.Qc2 Qc7 (19...Nc5+–) 20.Qc7 Bc7 21.Rc1 f6 (21...Nc6+–) 22.Rc7 Nd6 23.a4 Ne4 24.Rc8 Kf7 25.Rb8 Bd5 26.d4 g5 27.h3 h5 28.b6 g4 29.hg4 hg4 30.Ne1 Bc6 31.Ba3 Nc3 32.Bg4 f5 33.Bf3 Ba4 34.b7 Bc6 35.Rf8 Kg6 (35...Kg7 36.b8Q Nd5 37.Qg3 Kh7 38.Rf7 Kh6 39.Qg7) 36.b8Q a4 (36...Nd5 37.Qg3 Kh7 38.Rf7 Kh6 39.Qg7) 37.Qe8 (37.Qg3 Kh7 38.Rf7 Kh6 39.Qg7) 37...Kg5 (37...Kh6 38.Qh5 Kg7 39.Rf7 Kg8 40.Qh7) 38.Qh5 1–0. Van Esbroeck,Dirk – Puri,Chaand, SN–2010–0–00292, 2010.

3.e3 d5 4.Nf3 Bb4?? (better is 4...Nf6=) 5.Bg7+– (5.Bb5?! Kf8+/–) 5...Nc6 (5...Ne7 6.Bh8 Ng6 7.Bg7+– (worse is 7.Bb5 c6+–)) 6.Bb5 Bd7 7.Bh8 Na5 (7...Nf6 8.c3 Be7 9.Bf6 Bf6 10.Qc2+–) 8.Bd7 Qd7 (8...Kd7 9.Ne5 Kc8 10.Nf7+–) 9.Be5 (better is 9.Ne5 Qa4 10.Qh5 0–0–0 11.Qf7 Qc2 12.Qe6 Kb7+–) 9...Nc4 10.0–0 f6 11.Bb2! Nb2 12.Qe2 Qc6 (12...Rb8+–) 13.Nd4 Qd6 (13...Qd7 14.Ne6! Qe6 15.Qb5 Kd8 16.Qb4+–) 14.c3 Ba3 (14...c5 15.Nb5 Qd7 16.cb4+–) 15.Na3 Qa3 16.Ne6 Rc8 17.Qb5 (better is 17.Qh5 Ke7 18.Nd4 Kf8+–) 17...c6 18.Qb7 Ne7 19.Qb4 Qb4 20.cb4 Nd3 21.a3 Kf7 22.Nd4 h5 23.Ne2 (23.Rfb1 Rg8+–) 23...a6 24.Nc1 Ne5 25.Nb3 Nc4 26.d3 Ne5 27.d4 Nc4 28.Nc5 Nd2 29.Rfd1 Nb3 (29...Nc4+–) 30.Nb3 Rg8 31.Nc5 Ra8 32.Nd3 h4 33.h3 Nf5 34.Rac1 a5 35.Rc6 ab4 36.ab4 Ra3 37.Nf4 Ne7 38.Rc5 Rb3 39.Nd5 Nd5 40.Rd5 Rb4 41.Rh5 1–0. Valpa – Ronan48, playchess.de, 2005.

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

3.e4 Bb4?? 4.Bg7+– Bb7 5.Bh8 Be4 6.Bb5 Bg2 7.Qg4 Bh1 8.Qg8 Bf8 9.Bg7 Qe7 10.f3 h5 11.Nc3 c6 12.Bd3 d5 13.Bf8 Qf8 14.Qf8 Kf8 15.0–0–0 Nd7 16.Ba6 Ne5 17.Be2 d4 18.f4 Nd7 19.Nf3 f5?? 20.Nd4+– Nc5 21.Rh1 h4 22.Nc6 Ke8 23.Bh5 Kd7 24.Ne5 Kd6 25.Nb5 Ke7 26.Nc6 Kf6 27.Nc7 Kg7 28.Na8 1–0. MARYMARY – The Monopoly Guy, ChessWorld.net, 2011.

3.e4 Bb7 4.a3 Nf6 5.Bb5 Ne4 6.Qe2?? f5?? 7.Nh3 c6 8.Qh5 g6 9.Qd1 cb5 10.Bh8+/– Qb6 11.0–0+– Bd6? 12.d3 Bc7 13.de4 fe4 14.Nc3 Qc6 15.Ng5 e3 16.Nge4 d5 17.Nf6 Kf7 18.fe3 Na6 19.Qd4 Rh8 20.Nfd5 Ke8 21.Qh8 Kd7 22.Rf7 Kd6 23.Ne4 Kd5 24.Qd4# 1–0. wiking – kre, internet, 2009.

3.e4 Qh4 4.Qf3 Nf6 5.e5 Qe4 6.Be2+= Qf3 7.Bf3 Nd5 8.Bd5 ed5 9.Nc3 c6 10.a3 d6 11.Nf3 Bf5 12.0–0–0 d4?? 13.Nd4+/– Bg4 14.f3 de5 15.Nc6 Nc6+= 16.Nb5 Rb8= 17.Na7 Na7 18.Be5? Rb5–/+ 19.Rhe1 Be6 20.c4 Rb7 21.f4 f6 22.Bd4 Kf7 23.Re3? Nc6–+ 24.Bb2 Bd6 25.Rde1 Re8 26.g3 h6 27.b5 Nd8 28.a4 g5 29.fg5 hg5 30.a5 Bc4?? 31.Re8+– Bb5?? 32.Rd8 Bc7 33.Rd5 Ba5 34.Rd6 Rc7 35.Kb1 Rc6 36.Rc6 Bc6 37.Rf1 Be4 38.Kc1 f5 39.g4 f4 40.h4 gh4?? 41.Rf4 (41.Rf4 Ke6 42.Re4 Kd7 43.g5+–) 1–0. Wall,Bill – Flores,Tom, Mt View CA, 1988.

3.Nf3 Bb4?? 4.Bg7 Nf6 5.Bh8 Nc6 6.c3 Bd6 7.Bf6 Qf6 8.e3 Ne5 9.Be2 Ba6 10.d4 Ng4 11.h3 Nh6 12.a4 Qg6 13.ab5 Bb7 14.Rg1 0–0–0 (14...c6 15.Ne5 Qf6 16.bc6 dc6 17.Qb3+–) 15.Ra7 Qe4 (15...Bd5 16.Bd3 f5 17.Qa4+–) 16.Qa4 (better is 16.Nfd2 Qf5 17.Qa4+–) 16...Nf5 (16...Qb1 17.Kd2 Qb2 18.Kd3 c6+–) 17.Bd3 Qd5 18.c4 1–0. Kappel,Ray – Holmquist,Marson, 2011 SB–1 Lechenicher SchachServer, 2011.

3.Nf3 Nc6 4.a3 Bb7 5.e3 Nf6 6.Bb5 a5 7.c3 ab4 8.ab4 Ra1 9.Ba1 Na7 10.Be2 g6 11.0–0 Bg7 12.d4 0–0 13.Nbd2 Nc8 14.c4 Nd6 15.Bc3 Nfe4 16.Ne4 Ne4 17.Bb2 Qe7 18.c5 Bd5 19.Qc2 c6 20.Ra1 Rb8 21.Bc3 Ng5? 22.Ng5+– Qg5 23.e4 Be4 24.Qe4 f5 25.Qf3 h5 26.Ra7 Bd4 27.Bd4 Rb4 28.Be3 f4 29.Bd2 Rb1 30.Bf1 Qc5 31.Ra8 (31.Ra8 Kg7 32.Qf4+–) 1–0. Fournier,Frederic (1885) – Mansard Williams, Coupe, 2006.

3.Nf3 d5 4.e3 c5 5.c4 cb4 6.cb5 Nf6 7.Bd3 a6 8.0–0 Be7 9.Be2 0–0 10.d4 ab5 11.Nbd2 Nbd7 12.Rb1 Nb6 13.a3 Nc4 14.ab4 Bb4 15.Ne1 Qc7 16.Nc2 Bd6 17.Nc4 bc4 18.Na3 Bh2 19.Kh1 Bd6 20.Bf3 Ba3 21.Ra1 Bb7 22.Ba3 Rfe8 0–1. Guest18755 – Guest18762, 2003.

3.Nf3 g6?? 4.Bh8+– f6 (4...Bb4 5.e4 Bb7 6.Bb5 Be4 7.Nc3 Bf3 8.Qf3+– (worse is 8.gf3 a6 9.Be2 d5+–)) 5.e4 d6 (5...Nh6 6.e5 fe5 7.Be5+–) 6.Bb5 c6 7.Be2 (better is 7.Ba4 Bd7 8.d4 Nh6+–) 7...Nh6 8.0–0 Nf7 9.Bf6! Qf6 10.c3 Bh6 11.d4 e5 12.a4 Ng5 13.Nbd2 Nd7 14.Ng5 Qg5 15.Nf3 Qg4 (15...Qf4 16.Bd3+–) 16.Ne5 Qe4 17.Bf3 Qh4 18.Nc6 Nf6 (18...Kf8 19.Qb3 Nf6 20.Nd8+–) 19.Re1 (19.Qe2 Ne4 20.Be4 Kf8+–) 19...Kf8 20.Qe2 Kg8 (20...Ne4 21.Be4 Bb7 22.Bd5+–) 21.Ne7 Kh8 22.Ba8 Bg4 23.f3 1–0. Crazy_chess – Flab, playchess.de, 2001.

3.g3 a5 4.Bg2 d5 5.e4 Bb7 6.ed5 Bd5–/+ 7.Bd5 Qd5 8.Nf3 f6 9.Nc3= Qd7 10.Qe2 c6 11.0–0 Bb4 12.Rfe1=+ Ne7 13.Qe6= Qe6 14.Re6 0–0 15.a3+= Bc3 16.Bc3 a4?? 17.Re7+– Na6 18.Ng5 Rfe8 19.Rae1 Re7 20.Re7 h6?? 21.Ne6 c5 22.Rg7 Kh8 23.Bf6 b4 24.Nf4 b3 25.Ng6# 1–0. Robinson,E – Shull,D, Flint ch–MI class–C, 1992.

3.g3 Bb7 4.Nf3 Bf3 5.ef3 a6 (5...Bb4?? 6.Bg7 Be7 7.Bh8+–) 6.Bg2 Bb4?? (6...Nf6 7.a4=) 7.a3 (better is 7.Bg7 Be7 8.Bh8+–) 7...Bf8–/+ 8.0–0 Nf6 9.d3 Bd6 10.Nd2 c6 11.Ne4 Ne4 (11...Be7!?–/+) 12.fe4 0–0 13.Qg4 f6 14.f4 e5 15.f5 Qa5 16.Rad1? (better is 16.c3!?+=) 16...Ba3–+ 17.Ba1 Qa4 18.Rd2 Bb4 19.Re2 Bc5 20.Kh1 Bd4 21.Bd4 (21.c3 Bb6 22.Bb2–+) 21...Qd4 (21...ed4 22.e5 fe5 23.f6=) 22.Qh5 a5 23.g4 g5 (better is 23...a4–+) 24.fg6+– hg6 25.Qg6 (25.Qg6 Kh8 26.Ref2 Qa7 27.Rf5 Qg1 28.Kg1 Rf7 29.Rh5 Rh7 30.Rh7) 1–0. Salvatore – Daz101, ChessWorld.net, 2012.

3.a3 Bb7

4.e3 a6 5.Nf3 a5 6.ba5 Ra5 7.Bc3 b4 8.ab4 Ra1 9.Ba1 c5 10.bc5 Qa5 11.Be5 Bf3 12.Qf3 d6 13.Qb7 Nd7 14.Bb5 1–0. Wall,Bill – Abusch, internet, 2001.

4.e3 a6 5.Nf3 h6 6.c4+= bc4 7.Bc4 d5 8.Be2 Nf6 9.Nc3 Be7 10.0–0 0–0 11.Na4 Nbd7 12.Qc2 Nh7 13.Rac1 Rc8 14.Ne5 Ne5 15.Be5 Bd6 16.Nc5 Bc5 17.Qc5+– c6 18.Qa7 Qd7? 19.Ba6 f6 20.Qb7 Qb7 21.Bb7 fe5 22.Bc8 Rc8 23.Rc5 Nf6 24.Rfc1 1–0. pierred (2695) – kashikoi (2105), net–chess.com, 2008.

4.e3 Nf6 5.f3 (5.Bb5?? Bg2 6.Be2 Bh1–+) 5...a6 6.Ne2 c5 7.Be5 Nc6 8.Bf6 Qf6 (8...gf6?! 9.bc5 Bc5 10.a4=) 9.c3 cb4 10.a4 ba4 11.Ra4 bc3 12.Nbc3 Bd6 13.Ne4 Qe7 14.g3 Ne5 15.Ra3?? (better is 15.N2c3–/+) 15...Ba3 16.N2c3 (16.Nd4 Rc8 17.Nc3 Bb4–+) 16...0–0 (16...f5 17.d4 fe4 18.de5–+) 17.h4 (17.f4 Bb4 18.fe5 Bc3 19.dc3 Be4–+) 17...d5 18.Ng5 h6 19.Nh3 Nf3! 20.Qf3 d4! 21.Ne4 (21.ed4 Qf6 Double attack (21...Bf3 Discovered attack; 21...Qf6 Decoy)) 21...de3 (better is 21...f5 22.Bg2 fe4 23.Qg4 de3 24.Nf4–+) 22.Qe3 f5 23.Bg2 Be4 24.Be4 fe4 25.Nf4 Rab8 26.Ke2 (26.Qe4 Qd6 27.Rh2 Rb5–+) 26...e5 27.Ng6 (27.Ra1 Bb2 28.Ra4 ef4 29.Re4 Qe4 30.Qe4–+) 27...Qf6 (better is 27...Qb4 28.Ne7 Kh7 29.Qc3 Qb5 30.d3–+) 28.Qa3 (28.Nf8 Qf7 29.Ne6–+) 28...Qg6 29.Qb3 Rb3 30.h5 (30.d4 Rb2 31.Kd1 e3 32.de5 Qb1#) 30...Qg3 (30...Qg4 31.Ke1 Rb1#) 31.Re1 (31.Rh3 Qg4 32.Rf3 Qf3 33.Ke1 Rb1#) 31...Rf2 (31...Qf3#) 32.Kd1 Rb1 33.Kc2 Qb3# (33...Qd3#) 0–1. karlsdad – Darkseid, ChessWorld.net, 2012.

4.Nf3 Nf6 5.e3 (--> 1.b4 Nf6 2.Bb2 b5 3.e3 Bb7 4.Nf3 e6 5.a3).

3.a3 c5

4.bc5+/– Bc5?? 5.Bg7+– Nf6 6.Bh8 Bd4 7.c3 Be5 8.Nf3 Bf4 9.g3 Bh6 10.Qc2 Ke7 11.Bf6 Kf6 12.Qh7 Qf8 13.e4 Bb7 14.e5 Ke7 15.Bg2 Nc6 16.d4 Na5 17.0–0 Nc4 18.a4 ba4 19.Ra4 Bd5 20.Nh4 Bg2 21.Kg2 Nb6 22.Rb4 Nd5 23.Rb7 Bg5 24.Ng6 Kd8 25.Nf8 Kc8 26.Rd7 Ne7 27.Qf7 a5 28.Qe8# 1–0. HMBCHESS2 – windmill, Live Game Caissa's Web, 2005.

4.e4 Nf6 5.e5 Nd5 6.Bb5 cb4 7.Nf3 Nc6 8.0–0 a6 9.Bc4 Bb7 10.Bd5 ed5 11.d4 a5 12.Nbd2 Be7 13.Re1 ba3 14.Ba3 Ba3 15.Ra3 0–0 16.c4 dc4 17.Nc4 Nb4 18.Nd6 Bd5 19.Nd2 Qg5 20.N2e4 Qg6 (better is 20...Be4!? 21.Re4 Qh6+/–) 21.Rg3+– Qe6? (better is 21...Be4 22.Rg6 Bg6+–) 22.Nf6 Kh8 23.Qh5 (better is 23.Rg7 Kg7 24.Qh5+–) 23...h6?? (better is 23...gf6 24.Rh3 Qh3 25.Qh3 Rg8+–) 24.Rg7!! Kg7 25.Nf5 Qf5 26.Qf5 Rh8 27.Re3 Be6 28.Qe4 Rag8 29.d5 Nd5+– 30.Nd5 Kf8 31.Nf6 Rg4 32.Ng4 Rg8 33.Nf6 Rg5 34.Qa8 Ke7 35.Qe8 1–0. rmagas – rogeliovargas (2260), net–chess.com, 2011.

3.a4 ba4

4.Ra4 d5 5.e3 Bd7 6.b5 Nc6?? 7.bc6+– Bc6 8.Ra6 Qd7 9.Nf3 Bb7 10.Ne5 Qe7 11.Bb5 (11.Bb5 Kd8 12.Nc6 Bc6 13.Bc6+– (13.Rc6?! Qb4 14.Ba3 Qb5 15.Bf8 Nh6 16.Bg7 Rg8 17.Bf6 Kd7+–)) 1–0. Pommerel,Wim – Bourgoyne, 1985.

4.Ra4 Nf6 5.b5 Bb7 6.Nf3 a6 7.e3 ab5 8.Ra8 Ba8 9.Bb5 Be4 10.Nc3+= c6 11.Ne4 Ne4 12.Bd3 Nc5 13.Be2 Ne4 14.0–0 Nf6 15.Qa1 Be7 16.Rb1 d6 17.Bc3 0–0 18.Ba5 Qc8 19.Bc3 Ne8?? 20.Qa7+– Nc7 21.Rb7 Nb5? 22.Bb5 cb5 23.Rc7 Qd8+/– 24.g3 Bf6+= 25.Bb4 Be7 26.Nd4 Na6?? 27.Nc6 Qc7=+ 28.Ne7 Kh8 29.Ng6?? hg6 30.Qa6 Rc8 31.c3 Qc6 32.Qc6 Rc6 33.h4 Kh7 34.d4 d5 35.f4 Kh6 36.Kf2 Kh5 37.Kf3 f6 38.Bc5 Ra6 39.Bf8 Ra2 40.Bc5 Rc2–+ 41.Bb4 g5 42.hg5 fg5 43.fg5 Kg5 44.Ba5 Rc1 45.Bb4 Rf1 46.Ke2 Rf5 47.e4 de4 48.Ke3 Rf3 49.Ke4 Rg3 50.d5 Rg4 51.Ke5 ed5 52.Kd5 Rf4 53.Kc6 Rf5 54.Bc5 Kf4 55.Kb5 g5 56.c4 g4 57.Kb4 Rc5! 58.Kc5 g3 59.Kd6 g2 60.c5 g1Q 61.c6 Qg6 62.Kd7 Qf7 63.Kc8 Ke5 64.c7 Kd6 (65.Kb7 Qb3 66.Ka6 Kc7 67.Ka5 Kc6 68.Ka6 Qb6#) 0–1. Engles,Michael – Krmpotic,Roman, CL6–2002.09.03, 2002.

3.a4 Bb4??

4.ab5?! Nf6 =.

4.Bg7 Bb7 5.Bh8 +–.

3.e3 a6

4.a3 Bb7 5.f4 Nf6 6.Nf3 c5 7.c3 c4 8.Be2 Bd6 9.0–0 Qb6 10.Nd4 0–0 11.d3 cd3 12.Bd3 Be4 13.Be4 Ne4 14.Qh5 Nf6 15.Qf3= Nc6 16.Nd2 Be7 17.c4 bc4 18.Nc4+= Qd8 19.Nc6+/– dc6 20.Qc6 Qd5 21.Qd5 Nd5 22.Rac1 Nf6 23.Ne5 Rac8 24.Nc6 Bd8 25.Rfd1 Nd5 26.Kf2 Bf6?? 27.Bf6 Nf6 28.Ne7 (28.Ne7 Kh8 29.Rc8 Rc8 30.Nc8+–) 1–0. Wall,Bill – Captive, internet, 2005.

4.c4 Bb7 5.Nf3 =.

4.c4 c6 5.cb5 cb5 6.Nf3 Qc7 7.Be2 Bb7 8.0–0 Nf6 9.a3 Ng4 10.h3 Bf3 11.hg4 Bc6 12.Nc3 h5 13.gh5+/– Bd6 14.Rc1 Qd8 15.d4 Qh4 16.f4 g6? 17.Bf3 Bf3 18.Qf3 Rh5?? 19.Qa8 Qh2 20.Kf2 Qh4 21.Ke2 Ke7 22.Qf3 f5 23.Rh1! Qf6 24.Rh5 gh5 25.Qh5 Nc6 26.Rh1 Kd8 27.Qh8 (27.Qh8 Qh8 28.Rh8 Kc7 29.Kf3+–) 1–0. vihavald (1735) – joule (1650), kurnik, 2011.

4.c4 c6 5.Nf3 Nf6 (5...Bb4 6.Bg7 Bd2 7.Nbd2+–) 6.a3 d6 7.Nc3 Be7 8.Qc2 (8.a4 bc4 9.Bc4 d5=+) 8...h6 (8...0–0 9.a4=) 9.Nd4 (9.a4 ba4 10.Ra4 c5+=) 9...Bb7 (9...e5 10.Nf5 Bf5 11.Qf5=) 10.cb5 (10.a4 c5 11.bc5 dc5 12.Ne6 fe6 13.Qg6 Kf8 14.cb5 Nbd7=+) 10...cb5 (10...ab5 11.a4=) 11.Bd3 (11.a4 e5 12.Nf5 0–0+=) 11...Nbd7 (11...e5 12.Nf5 0–0 13.Ne7 Qe7 14.0–0=) 12.f4 (12.0–0 e5 13.Nf5 0–0=) 12...Rc8 13.0–0 0–0 (13...e5 14.Nf5 e4 15.Be2+=) 14.Qb3 (14.a4 ba4 15.Qa4 Nb6+=) 14...Nb6 15.f5 (15.e4!?=) 15...e5–/+ 16.Nde2 Qd7 17.Ng3 Nc4 18.Rf2 (18.Bc4 Rc4 19.d3 Qc6=+) 18...d5 19.Bc4 dc4 20.Qc2 Qc6 (20...Qd3 21.Qd3 cd3 22.e4–/+) 21.h3 Bd6 22.Nce2 Qc7 23.e4 Qc6 24.Nc3 Bb8 25.Kh2 Rcd8 26.Raf1 Rd3 27.Rf3 Rfd8 28.R1f2 Ba7–+ 29.Re2 Qb6 30.Qd1 Qd6 31.Nd5 Nd5 32.ed5 Rd5 33.Ne4 Qb6 34.Nc5 Bb8 35.Ne4 f6 36.Rg3 Rd3 37.Bc3 Rg3–+ 38.Kg3 Rd3 39.Kh2 Be4 40.Re4 Qd8 41.Qg1 Qd5 42.Rg4? e4 43.Kh1 e3! 44.de3?? Rc3–+ 45.Rd4 Qe5 (46.Rd7 Kh7–+) 0–1. Dillimann,Hans_Peter – Kienle,Paul, Afro op Germany, 1994.

4.Be2 Bb4?? 5.Bg7 Bb7 6.Bh8 +–.

4.Be2 Bb7 5.Nf3 Bb4 6.Bg7 Bf3 7.gf3 Qg5 8.Bh8 Qg2 +–.

4.Be2 Bb7 5.Nf3 Bb4 6.Bg7 Bf3 7.Bf3 +–.

4.Be2 Bb7 5.Nf3 Bb4 6.Bg7 Bf3 7.Bh8?! Be2 8.Qe2 Nf6 +–.

4.Be2 Bb7 5.Nf3 Nf6 =.

4.Nf3 Bb4?? 5.Bg7+– Nc6 6.Bh8 f6 (6...Bb7 7.a4 ba4 8.c3+–) 7.Nh4 (7.a4 ba4 8.c3 Bc5+–) 7...Qe7 8.Qh5 Kd8 9.Bd3 (9.a4 ba4 10.c3 Bc5+–) 9...f5 10.Nc3 (10.c3 Bc5+–) 10...d5 (10...Nf6 11.Qh6 Ng4 12.Nf5 ef5 13.Qh5+–) 11.f4 (11.a4 ba4 12.Ra4 Nf6 13.Bf6 Qf6+–) 11...Bd7 (11...Nf6 12.Bf6 Qf6 13.Qh7+–) 12.Qg5 (12.a4!? Be8 13.Qg5 Qg5 14.fg5 ba4+–) 12...Qg5 13.fg5 Kc8 (13...Nce7 14.g4 c5 15.gf5 ef5 16.Rf1+–) 14.0–0 Kb7 (14...Nge7 15.Rab1+–) 15.Nf3 (15.Rab1 Nge7 16.Bf6 Bc3 17.Bc3 Rg8+–) 15...Nge7 16.Ne5 (16.Bf6 Bc3 17.Bc3 Rg8+–) 16...Be8 (16...Rh8 17.Nd7 Rd8 18.Nf6+–) 17.Bf6 (17.Nf3 Bd7 18.Bf6 Bc3 19.Bc3 Rg8+–) 17...Bd6 (17...Bc3 18.dc3 Ne5 19.Be5+–) 18.Nc6 Bc6 19.Be7 Be7 20.h4 Rg8 21.Ne2 h6 22.Nf4 hg5 23.hg5 Bd7 24.g6 c6 25.Rf3 e5 26.Bf5 Bf5 27.Nd5! cd5 28.Rf5 Rg6 29.Rf7 Re6 30.Raf1 Kb6 31.R1f5 d4 32.e4 Kc5 33.g4 Kc4 34.Rf3 b4 35.g5?? Bg5+/– 36.Rc7 Kb5 37.d3 Bf4 38.Kf1 Rh6 39.Rf4?? ef4–/+ 40.Rf7 Rh2 41.e5 Rc2–/+ 42.e6 Rc1?? 43.Ke2–/+ Rc6?? 44.e7+= Re6 45.Kf3 Kc5 46.Kf4 Kd6 47.Kf5 Re5 48.Kf4 Re6 49.Kf3 a5 50.Kf4? a4–/+ 51.e8Q Re8 52.Ra7 a3 53.Rb7 Kc5 54.Rc7–/+ Kd5 55.Rc4? Rb8 (56.Kf5 b3–+) 0–1. Dopper,Johan – van Dalsen,Jan, 1994.

4.Nf3 Nf6 5.a3 c5 6.c3 c4 7.d4 Bb7 8.Be2 Be7 9.Nbd2 0–0 10.0–0 d5 11.Ne5 Nc6 12.f4 Nd7 13.Ndf3 f6 14.Ng4 h5 15.Nf2 Qc7 16.Nh4 Bd6 17.Bh5 e5? 18.fe5?? fe5+= 19.Ng6 e4? 20.Nf8+/– Rf8 21.Ng4 Nf6 22.Nf6 Rf6 23.Rf6 gf6? 24.Qg4 Qg7 25.Qg7 Kg7 26.Rf1 Bc8 27.h3 Bg3 28.Bc1 Ne7 29.Bd2 Nf5 30.Bg4 Kg6 31.Bf5 Bf5 32.Be1 Bd6 33.g4 Be6 34.Kg2 a5? 35.Bg3 Be7 36.Bf4 ab4 37.ab4 Bf7 38.Kg3 Bf8 39.h4 Bh6 40.g5! fg5 41.hg5 Bg7 42.Kg4 Be6 43.Kh4 Bf8 44.Be5 Be7 45.Bf6 Bd6 46.Bd8 Bf5 47.Bf6 Bc7?? 48.Be5 Bd8 49.Bf6 Bc7 50.Be5 Bd8 51.Rg1 Be7 52.Bf4 Bd8 53.Kg3 Bg5 54.Bg5 Kg5 55.Kf2 Kf6 56.Kg3 Kg5 57.Kf2 Bg4?? 58.Rh1 Bh5 59.Rg1 Bg4 60.Kg3 1–0. elsh1403 – aspalla (1655), kurnik, 2011.

4.Nf3 Nf6 5.a3 c5 6.bc5 Bc5 7.d4 7...Bb6 8.Bd3 Bb7 9.0–0 Qc7 10.Nbd2 d5 11.c3 Nc6 12.e4 (12.a4 Na7+=) 12...de4= 13.Ne4 Nd5 14.Qd2 (14.a4!?+=) 14...Na5 15.Qg5 f6 16.Qh5 g6 17.Qh4 0–0–0 (better is 17...0–0=) 18.Nfd2?? (better is 18.Nf6 Nb3 19.Rae1 Nc3 20.d5 Bd5 21.Nd5 Rd5 22.Qf6+–) 18...Nf4 19.Qg3 f5 (19...Nd3?! 20.Qd3 f5 21.Ng3=) 20.Ng5 h6 (better is 20...Qc6 21.Rae1 Bc7–+) 21.Nh3+= Ng2 22.c4?? (better is 22.a4 Nc4 23.Qc7 Kc7 24.Bc4 bc4 25.Nc4+=) 22...Bd4–+ (22...bc4 23.Nc4 Nc4 24.Bc4 Qg3 A) 25.fg3? e5–+ (25...Bd4?! 26.Bd4 Rd4 27.Be6 Kb8 28.Bf7–/+); B) 25.hg3=; 22...Nc4 23.Nc4 bc4 24.Bc4 Qg3 A) 25.fg3? e5–+ (25...Bd4?! 26.Bd4 Rd4 27.Be6 Kb8 28.Bf7–/+); B) 25.hg3 Bd4 26.Bd4 Rd4 27.Be6 Kb8 28.Rfb1=) 23.Bd4 Rd4 24.f4 Rhd8 (worse is 24...bc4 25.Be4 Rd2 26.Bb7 Qb7 27.Rf2 Rf2 28.Nf2–+; 24...Nc4?! 25.Bc4 Rd2 26.Be6 Kb8 27.Bb3–+) 25.Nf2 (25.Nf3 Rd3 26.Kg2 Nc4 27.Qg6–+) 25...Nf4 26.cb5 (26.Qe3 bc4 27.Nc4 Nc4 28.Bc4 Rc4 29.Rfe1–+) 26...Rd3 27.Nd3 Ne2 (27...Qb6 28.Rf2 Ne2 29.Kf1 Ng3 30.hg3 Qb5 31.Rc1 Kb8 32.Kg1 Rd3 33.Nf1–+) 28.Kf2 Qg3 (better is 28...Ng3 29.Rac1 Nf1 30.Rc7 Kc7 31.Nf1 Rd3–+) 29.hg3 Rd3 30.Ke2 Rg3 31.Rac1 Kd7 32.Rfd1 Ke7 33.Kf2 (better is 33.a4 Rg2 34.Ke1–+) 33...Rg2 (33...Ra3 34.Ra1 Ra1 35.Ra1 ab5 36.Ra5+=) 34.Kf1 Rg4 (better is 34...ab5 35.Rc7 Kf6 36.Rb7 Rd2 (36...Nb7?! 37.Kg2 Nd6 38.Nb1=) 37.Rd2 Nb7–+) 35.Rc7 Kf6 36.b6 Ra4 (36...Rg3 37.a4 Rg4 38.Ra1–+) 37.Nb1 h5 38.Rdd7 Bc6 39.Rd6 Rc4 (39...Bd5 40.Rd8–+) 40.Kf2 (40.Nd2!? Rf4 41.Kg1–+) 40...h4 41.Nd2 Rc3?? (41...Rc2 42.b7 Rb2–+ (42...Nb7?! 43.Rcc6 Nd6 44.Rc2=)) 42.b7+= Nb7 43.Rdc6 Rc6 44.Rc6 a5 45.Rb6 (45.Nc4 g5=) 45...Nc5= 46.Rb5 Nd3 47.Ke3 Ne5 48.Ra5 g5 49.Kf2 g4 50.Rb5 Nd3 51.Ke3 Ne5 52.a4 g3 (52...h3 53.Kf2 Nd3 54.Kg3=) 53.a5 (53.Rb1 Kg5+=) 53...h3+/– 54.Re5?? (54.Rb1 h2 55.Nf3 Nc4 56.Kf4+–) 54...Ke5 (better is 54...h2 55.Ne4 Ke5 56.Ng3 f4 57.Kf2 fg3 58.Kg2 Kd5–+) 55.a6 (55.Kf3 h2 56.Kg2 Kd5–+) 55...h2 56.a7 h1Q (better is 56...g2 57.Nf3 Kd6–+) 57.Nf3–/+ Kd6 58.a8Q Qc1 59.Ke2? (better is 59.Kd3!? Qb1 60.Kc3–/+) 59...Qc4–+ 60.Kd1? (60.Ke1 Qe4 61.Qe4 fe4 62.Ng1+=) 60...Qd5 61.Qd5 Kd5 (61...ed5 62.Ke2 Ke6 63.Ke3–/+) 62.Ke2 (62.Ng5 f4 63.Ke2 Ke5–+) 62...e5 (62...f4 63.Ng5–+) 63.Nh4 (63.Ng5 Kd4–+) 63...Ke4 64.Ng2 f4 65.Ne1 (65.Nh4 Kd5 66.Kf3 Kd4–+) 65...Kf5 66.Nf3 e4 67.Nd2 (67.Ne1–+) 67...e3 (67...g2 68.Ne4 Ke4 69.Kf2 f3 70.Kg3 g1Q 71.Kh3 Kf4 72.Kh4 Qg4) 68.Nf3 Ke4?? (68...g2 69.Nh4 Ke4–+) 69.Ng5–/+ Kd4 (69...Ke5 70.Nh3 Kf5=) 70.Nf3?? (70.Kf3 Ke5=) 70...Kc3 (70...Kd5 71.Kd3 g2–+) 71.Ne1= Kd4 72.Nf3 Kc4 (72...Kd5 73.Kd3 g2 74.Ke2–+) 73.Ne5?? (better is 73.Ne1!?=) 73...Kd5?? (73...Kc3 74.Nf3 g2–/+) 74.Nf3 g2 75.Ke1? (75.Ng1 Ke4 76.Nf3 g1N 77.Ng1 Kd4=) 75...Ke4 (better is 75...Kc4 76.Kd1 Kc3–+) 76.Ke2= Kd5 77.Ke1 Ke6 (77...Kc4 78.Ke2 Kc3 79.Ng1+=) 78.Ke2 Kf6?? (78...Kd6 79.Ng1 Ke5+=) 79.Ng1= Kf5 80.Kf3 Ke5 81.Kg2 Ke4 82.Ne2 (82.Nh3 f3 83.Kg3 e2 84.Ng5 Ke3 85.Nf3 Kd3=) 82...f3 83.Kf1 Kd3 84.Ng1 Ke4 85.Nh3 (85.Ne2 f2=) 85...e2 (better is 85...Kf5!?–/+) 86.Ke1 Ke3 87.Nf2 Kf4 88.Nd3 Kg3 89.Nf2 Kg2 90.Nd3 Kg3 91.Nf2 Kf4 92.Nd3 Ke4 93.Nf2 Ke3 94.Ng4 ½–½. Franco Rincon,D (1670) – Enfedaque Jimenez,JC, Championship de Madrid Individual Absol, 2013.

4.Nf3 Nf6 5.a4 Bb4 =.

3.e4 a6

4.a3 Bb7 5.f3 Bd6?? 6.Bg7+– Qh4 7.Ke2 Be4 8.Bh8 Nh6 9.fe4 Qe4+/– 10.Kf2 Ng4 11.Qg4 Qg4 12.Nf3 e5 13.Be5?? Be5–/+ 14.Ne5? Qd4–+ 15.Kf3 Qa1 16.Nc3 Nc6 17.Nc6 dc6 18.g3?? Qa3 19.Bd3 Qb4 20.Re1 Kf8 0–1. bunnyrabbitz – alignment, ChessWorld.net, 2011.

4.d4 Bb4=+ 5.Nc3 Bb7–/+ 6.e5 d6 7.ed6 Qd6 8.a3 Bc3 9.Bc3 Nc6 10.Nf3 Nf6–/+ 11.Bd3 0–0 12.d5? ed5 13.Ng5 h6 14.Nf3 Rfe8 15.Be2 Ne4 16.Bb2 Qg6 17.0–0 Rad8 18.a4 b4 19.c4?? dc4 20.Qe1 c3 21.Bc1 Bc8 22.Nh4 Qf6 23.Bf3 c2 24.Be3 b3 25.Bd1 Qa1 (25...Qa1 26.Bc2 Qe1 (26...bc2?! 27.Qa1 Nb4 28.a5–+) 27.Re1 bc2–+) 0–1. West Islander – glo1, ChessWorld.net, 2009.

4.f4 Bb7–/+ 5.Bd3 Nf6 6.Qe2 Bb4 7.Nf3 Bc5 8.e5 Nd5 9.g3 Nc6 10.Be4 f5 11.ef6 Nf6 12.d4 Nd4–+ 13.Bd4 Bd4 14.Bb7 Ba1 15.Ba8 Qa8 16.0–0 Qd5 17.c3 Qc5 18.Kg2 Bc3 19.Rc1 b4 20.Qa6 Nd5?? 21.Qa8 Kf7? 22.Qh8?? Ne3= 23.Kg1 Nd1 24.Kh1 Qd5 25.Kg2 Ne3 26.Kf2 Nf5?? 27.Ng5 Ke7 28.Nc3 bc3 29.Nf3?? Qa2–+ 30.Kg1 Qb2 31.Re1 c2 32.g4? c1Q 33.Rc1 Qc1 (33...Qc1 34.Kf2 Qe3 35.Kg2 Qe2 36.Kg1 Qf3 37.gf5 Qg4 38.Kh1 Qf4 39.Qg7 Kd6–+) 0–1. baovn21 – guiovanni, kurnik, 2011.

3.Nf3 Nf6

4.a3 d5 5.e3 a6 6.Be2 Nbd7 7.0–0 c5 8.bc5 Bc5 9.d3 0–0 10.Nbd2 Bb7 11.c4 bc4 12.dc4 dc4 13.Bc4 Nb6 14.Be2 Qe7 15.Rb1 Rfd8 16.Bd4 Bf3 17.Bf3 Rab8 18.Bc5 Qc5 19.Qc1 Qc1 20.Rfc1 g6 21.Nb3 Nbd5 22.Nc5 a5 23.Nb7+/– Rdc8 24.Rc8 Rc8 25.Na5 Nc3 26.Rb4 Nfd5 27.Rc4 Rb8 28.h4 Rb1 29.Kh2 Ra1 30.e4+– Ra3 31.ed5 ed5 32.Rc5 d4 33.Nc6 d3 34.Ne5 Nb1 35.Rd5 d2 36.Nc4 Ra2 37.Be4 d1Q 38.Rd1 Nc3 39.Rd2 Ra4 40.Rd8 Kg7 41.Bd3 f5 42.Rd7 Kh6 43.g4 fg4 44.Ne5 Ra1 45.Ng4 Kh5 46.Kh3 Rh1 47.Nh2 Kh6 48.Bc2 Ne2 49.Kg2 Rc1 50.f4 Rc2 51.Ng4 Kh5 52.Nf6 (52.Nf6 Kh4 53.Rh7#) 1–0. Schalkwijk,Peter – Sarihan,Sefa, ZL–2006–0–00015, 2006.

4.a3 g6 5.e3 Rg8 6.Nc3 a6+= 7.Bd3 Bg7 8.0–0 d5 9.Rb1 Nbd7 10.e4 de4 11.Ne4 Ne4 12.Be4+/– Rb8 13.Bg7 Rg7 14.Ng5?? Qg5–+ 15.Bc6 Kd8 16.Re1 Bb7 17.Bd7?? Kd7 18.d4 Qg2# 0–1. Nautiluschess – Odranoel, ICS blitz, 2001.

2.Bb2 b6

3.a3 a5 4.e3 ab4 5.ab4 Ra1 6.Ba1 Bb4?? (better is 6...Nf6 7.b5 d5=) 7.Bg7+– f6 (7...Ba6 8.Ne2+–) 8.Bh8 Qe7 9.Qg4 Qf7 (9...Kf8 10.Nf3+–) 10.Bf6 (better is 10.Qb4 Nc6 11.Qc3 Qg6+–) 10...Bd2 11.Nd2 Nf6 12.Qc4 Ba6 (12...Nc6+–) 13.Qc7 Bf1 14.Qb8 Ke7 15.Kf1 Ng4 (15...Qg6 16.c4 Qc2 17.Ke1+–) 16.Ngf3 e5 (16...Qg6 17.c4+–) 17.Qb6 e4 18.Qb4 d6 19.Qe4 (19.Qe4 Ne5 20.Ne5 de5 21.Qe5 Qe6 22.Qe6 Ke6 23.c4+–) 1–0. PepRally – grigoropoulo3, Live Game Caissa's Web, 2004. (=1.a3 b6 2.b4 e6 3.Bb2)

3.a3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6).

3.a4 d5 4.b5 c5 5.Nf3 f5 6.e3 Qd7?? 7.Ne5+– Qd6 8.Qh5 g6 9.Ng6! e5 10.Nh8 Kd8 11.Nf7 Ke7 12.Nd6 Kd6 13.Qf7 c4 1–0. guest449 – maanjongen, ICC, 2003.

3.b5 a6 4.e4 ab5 5.Bb5 Bc5?? 6.Bg7+– Bf2 7.Kf2 Qh4 8.g3 Qe4 9.Qf3 Qc2 10.Qa8 Qd2 11.Nd2 (11.Nd2 Ne7 12.Bh8+–) 1–0. pierre – colly, internet, 2011.

3.b5 Bb4?? 4.Bg7+– Qg5 5.Bh8 Qb5 6.e3 Qg5 7.Nf3 Qh5 8.g4! Qh6 (8...Qg4 9.Rg1 Decoy) 9.h4 Bb7 10.g5 Qh5 11.Be2 Qg4 12.Rg1 Qf5 13.Nd4 (13.Ne5 Nc6 14.Bd3 Qh3+–) 13...Qh3 14.Be5 Bc5 (14...Bd6 15.Bf1 Qh4 16.Bd6 cd6 17.Nb5+–) 15.Bg4 Qh4 16.Nf3 Bf3 17.Qf3 Nc6 18.Bf4 Nf6 19.gf6 0–0–0 (19...Qf6 20.Bc7 Qg7 21.Rg2+–) 20.Bg3 Qg5 21.Nc3 Ba3 (21...Bb4 22.Ne4 Qa5 23.c3+–) 22.Rb1 a6 23.Bh5 Qc5 24.Qf4 Nb4 25.Kf1 (25.Bf7 Rf8 26.Qe4 Qc6 27.Qh7 Nc2 28.Ke2 Bd6+–) 25...Kb8 26.Rb3 Nc2 (26...d6 27.Ra3 Nd5 28.Qa4 Nc3 29.Qa6 Qb5 30.Qb5 Nb5 31.Rb3+–) 27.Bd1 Bc1 28.Nb1 d6 29.Qa4 Na3 30.Na3 Ba3 31.Bf3 Qc1 32.Ke2 b5 33.Rb5! Ka7 (33...ab5 34.Qa8 Mate attack) 34.Rb7 (34.Rb7 Ka8 35.Qa6#) 1–0. Taulien,Hans_Juergen (2350) – Kueppers,Michael (1995), remoteschach.de, 2002.

3.b5 Qg5 4.a4 c6 5.Nc3 a6 6.Nf3 Qf5 7.e4 Qf6 8.a5 ab5 9.Na4 ba4 10.Bf6 a3 11.Bc3 b5 12.Ng5 h6 13.Qh5 g6 14.Qf3 b4 15.Qf7 Kd8 16.Qf8 Kc7 17.Be5 d6 18.Qd6 Kb7 19.Qc7 1–0. pierred – kevin_alden, Yahoo, 2005.

3.c3 Bb7 4.e3 g6 5.Nf3 Bg7 6.d4 Ne7 7.Bd3 0–0 8.Nbd2 h5 9.0–0 c6 10.a3 d5 11.Qc2 a5 12.Rfe1 Nd7 13.e4 ab4 14.ab4 Ra1 15.Ra1 de4 16.Ne4 Nd5 17.Ned2 Re8 18.Re1 Qc7 19.Ra1 Bf8?? (19...Qd8 20.Nc4 Qc7 21.Ra7+=) 20.Nb3 (better is 20.Bg6!? Nf4 21.Be4+–) 20...Be7 21.Nbd2 Bd8 (21...Bf8!?=) 22.Be4 Qd6 23.Bd5 (23.Nc4!? Qc7 24.Nfe5 Ne5 25.Ne5+/–) 23...cd5 24.Re1 Bc7 25.Ra1 Qh2?? 26.Nh2+– Bh2 27.Kh2 Nf6 28.Kg1 Ng4 29.Kf1 b5 30.Kg1 f5 31.Nf3 f4 32.Re1 g5 33.Ne5 Nf6 34.Nf3 g4?? 35.Ne5 h4 36.Bc1 g3 37.fg3 fg3 38.Nf3 Ng4 39.Be3 e5 40.Qd2 ed4 41.Bd4 Re1 42.Qe1 Nh6 43.Be5 Nf5+– 44.Bd4 h3?? 45.gh3 Nd4 46.Nd4 Kh7 47.Qg3 (47.Qg3 Bc8 48.Qc7 Kg6 49.Qc8 Kf7 50.Qe6 Kf8 51.Nf5 d4 52.Qf6 Ke8 53.Qe7; 47.Qe7 Kg6 48.Qe6 Kh7 49.Nf5 Kh8 50.Qe5 Kh7 51.Qg7) 1–0. Fournier,Frederic – pascale, Active Blind, 2008.

3.c3 Nf6 4.d4 Be7 5.Nd2 0–0 6.Ngf3 a5 7.b5 c6 8.c4 d5 9.e3 dc4 10.Bc4 cb5 11.Bb5 Ba6 12.a4 Qd5 13.Qe2 Nbd7?? 14.0–0 Bb5= 15.ab5 Ne4 16.Rfd1 Ndf6 17.Ne4 Ne4 18.Ne5 Rac8 19.Nc6 Bf6 20.Ba3 Rfe8 21.Rac1 h6 22.f3 Ng5 23.h4 Nh7= 24.Rc2 Bh4 25.Rdc1 Qd7 26.Ne5 Rc2=+ 27.Rc2 Qd5 28.Qc4 Qc4 29.Rc4 Bf6 30.Rc6 1–0. ashllley – bobnyc, caissa.com, 2006.

3.c4 a6 4.Nf3 Bb7 5.e3 d5 6.a3 dc4 7.Bc4 Nc6 8.0–0 Nge7 9.d3 Nf5 10.e4 Nh4 11.Nbd2 Nf3 12.Qf3 Ne7 13.Qg3. wlittle (2165) – maf (2100), net–chess.com, 2004.

3.c4 Nc6 4.a3 Nce7 5.Nf3 Ng6 6.e3 Nh6 7.Be2 f6 8.0–0 Be7 9.d4 0–0 10.d5 Bb7 11.Nc3 e5 12.Qb3 d6 13.a4 Rb8 14.a5 Nf5 15.a6 Ba8? 16.Nb5+– Kh8 17.Na7 Re8 18.b5 Qd7 19.Nc6 Bc6 20.dc6 Qc8 21.Bd3 Ra8 22.Qc2 Nfh4 23.Nh4 Nh4 24.g3 Nf3 25.Kg2 Ng5? 26.h4 Nf7 27.Bh7+– Rf8 28.Bf5 Qd8 29.Rh1 Nh6 30.h5 Qe8 31.Rh4 Qf7 32.Rah1 Qg8 33.e4 Rae8 34.Bc1 Nf7 35.h6 g5 36.R4h2 Nd8 37.Bd7 Qf7 38.Be8 Qe8 39.h7 Rf7 40.a7 Rg7 41.a8Q Qf7 42.Qc8 Qe8 43.Qc7 Ne6 44.Qd7 Qf8 45.Qe6 f5 46.Qg8! Rg8 47.hg8R Kg8 48.Rh8 Kf7 49.R1h7 Qg7 50.Rg7 Kg7+– 51.c7 Kh8 52.ef5 Kg7 53.f6! Kf6 54.c8Q g4 55.Q2f5 Kg7 56.Qe8 Bf6 57.Qfg6 1–0. orangutanb4 (1960) – unejam (1645), kurnik, 2011.

3.c4 f5 4.Nf3 Nf6 (4...Bb4?? 5.Bg7 Nf6 6.Bh8+–; 4...Bb7 5.b5 (5.Qa4 a6 6.Nc3 Nc6 7.a3 Nf6 8.d4 Bd6 9.c5) 5...Nf6 6.Nc3 a6 7.e3 ab5 8.cb5 Bd6 9.Bc4; 4...Na6 5.a3 (5.b5 Nc5 6.Nc3 Nf6 7.d4 Nce4 8.Ne5 Bb4 9.Qb3) 5...Nf6 6.Nc3 Bb7 7.d4 Bd6 8.b5 Nb8 9.g3) 5.b5 (5.Qa4 Be7 6.Nc3 0–0 7.g3 Bb7 8.Bg2 Nc6 9.b5) 5...Bb7 6.g3 (6.e3 a6= 7.Nc3 ab5 8.cb5 Bd6 9.Bc4) 6...d6 (6...Bf3 7.ef3 a6 8.f4= (8.Bd3 Bd6 9.0–0) 8...c6 9.Nc3; 6...g5 7.Rg1 g4 8.Nh4 a6 9.Nc3) 7.Bg2 e5 (7...a6 8.0–0= (8.Nc3 ab5 9.cb5) 8...ab5 9.cb5; 7...Nbd7 8.0–0 Qc8 9.Nc3) 8.d3 (8.Qc2 Qc8+= (8...Be7 9.Qf5) 9.Nc3) 8...Be7 (8...a6 9.0–0=) 9.0–0 (9.d4 e4 10.Ng5 d5=) 9...0–0 10.Nc3 Nbd7 (10...a6 11.d4 e4 12.Ng5=) 11.e4 (11.Ne5 Bg2 12.Nd7 Qd7 13.Kg2 a6+/–) 11...f4 (11...fe4 12.Ng5 Nc5 13.Nce4 Nfe4 14.Ne4 Ne4 15.Be4 Be4 16.de4=) 12.Nd5 (12.gf4 a6+=) 12...Nc5 (12...fg3 13.fg3 a6 14.a4=) 13.gf4 (13.Ne7 Qe7 14.gf4 ef4+=) 13...Nd5= 14.cd5 (14.ed5 Rf4 15.d4 ed4=) 14...Rf4 15.d4 ed4 16.Nd4 (worse is 16.Qd4 Qf8 17.Qd1 Ne4–/+) 16...Bf6 (16...a6 17.Ne2 Rh4 18.Ng3 ab5 19.Nf5+=) 17.f3 (17.Rb1 Be5= (17...Ne4?? 18.Ne6 Qe7 19.Nf4+–)) 17...Rh4 (17...a6 18.Qd2 Bg5 19.Qe2+=) 18.Qd2 Bc8 (18...a6 19.a4=) 19.f4+= Bd7 (19...Qe8 20.Rae1 Rh5 21.e5 de5 22.Nc6+=) 20.Rae1 Bd4 21.Qd4 Rg4 22.Kh1 Bb5 (22...Qh4 23.Bf3 Rg6 24.f5+/–) 23.Rg1+/– Qf6 24.Qb4?? (24.Qf6 gf6 25.h3+/– (worse is 25.Bf6 Nd3 26.Ref1 Nf4+=)) 24...Nd3–+ 25.Rgf1 Nb4 26.Bf6 Bf1 (26...Bf1 27.Rf1 gf6–+) 0–1. Borgbjerg,E (2300) – Woodward,T (2350), FSIMA August, Budapest HUN, 2006.

3.e3 c6 4.Nf3 d6 5.Be2 e5 6.c4 f6 7.Nc3 a6 8.Qc2 g6 9.0–0 f5 10.e4 f4 11.c5! bc5 (11...bc5 12.bc5 Combination; 11...dc5 12.Ne5 Deflection) 12.bc5 dc5 (12...Nf6 13.Na4 Bg4 14.Nb6+–) 13.Ne5 Ne7 (13...Bd6 14.Nf3 Bc7+–) 14.Qb3 a5 (14...Qd4 15.Nc4 Qd8+–) 15.Qf7 1–0. b4_player – juanorte, casual, 2013.

3.e3 Nc6 4.b5 Nce7 5.Be2 (5.Nf3 a6 (5...Bb7 6.Be2 a6 7.ba6 Ba6 8.0–0 Be2 9.Qe2 d5 10.d3 Ng6+=) 6.Ne5 Nf6 7.Nc3 c6 8.Qf3 ab5 9.Ne4 Nf5 10.Ng5 Nd6=; 5.a4 a6 6.Nf3 Nf6 7.a5 ba5 8.Ra5 c6 9.Ra2 Ned5 10.ba6 Nb4+=; 5.Nc3 Nf6 (5...Bb7 6.Nf3 Nf6 7.Be2 a6 8.0–0 ab5 9.Nb5 Ng6 10.Bf6 gf6=; 5...a6 6.Nf3 Nf6 7.Be2 ab5 8.Nb5 Bb7 9.0–0 Ng6 10.Bf6 gf6=; 5...d5 6.Nf3 a6 7.a4 Nf6 8.Bd3 ab5 9.ab5 Ra1 10.Qa1 Ng6+=) 6.Nf3 a6 7.a4 Bb7 8.Be2 Ng6 9.0–0 Bb4 10.Re1 0–0=; 5.Qf3 c6 (5...d5 6.a4 a6 7.Bd3 f6 8.e4 Bb7 9.e5 f5 10.Ne2 Ng6=) 6.Ne2 Bb7 7.Nf4 Qc7 8.Na3 e5 9.Ne2 d5 10.c4 Nf6+=) 5...Bb7 (5...a6 6.a4 Nf6 7.Nf3 Bb7 8.0–0 Nf5 9.ba6 Ba6 10.Ba6 Ra6+=; 5...d5 6.Nf3 a6 7.a4 Nf6 8.0–0 Ng6 9.a5 ba5 10.Ra5 c5+=; 5...Nf6 6.Nf3 a6 7.a4 Nf5 8.0–0 Bb7 9.ba6 Ba6 10.Ba6 Ra6+=) 6.Bf3 (6.Nf3 a6 7.ba6 Ba6 8.Ba6 Ra6 9.0–0 d5 10.Re1 Nf5=) 6...Qc8 (6...d5 7.Ne2 a6 8.c4 Qc8 9.cd5 Nd5 10.ba6 Ra6=) 7.Bb7 (7.d3 a6 8.c4 ab5 9.cb5 Nd5 10.Ne2 Ra5=) 7...Qb7 8.Nf3 Nf6 (8...a6 9.a4 Nf6 10.0–0 d5+=) 9.d3 (9.c4 a6 10.d3 d5+=) 9...0–0–0 (9...a6 10.c4 d5+=) 10.a4 (10.0–0 Nf5+=) 10...Kb8 (10...Ng6+=) 11.c4 d5 12.Nbd2 Nc8? (12...dc4 13.Nc4 Nd7 14.0–0+–) 13.Bc3 (13.Ne5!? Re8 14.a5 ba5 15.Ra5 dc4 16.Nc6 Ka8 17.Nc4 Nd5+–) 13...Nd7 14.a5 Nc5 (14...dc4 15.Nc4 Qd5 16.Qb1+/–) 15.0–0 (better is 15.Ne5 Nd3 16.Nd3 dc4 17.Ne5 (17.Nc4?! Qg2 18.Rf1 f6+–) 17...Qg2 18.Rf1+–) 15...Nd3+/– 16.Qb1 dc4 17.Nc4 Bc5? (better is 17...c6 18.ab6 cb5+–) 18.Nce5+– (18.Bg7 Rhg8 19.Nce5 Ne5 20.Ne5 Ne7 21.Qh7 f6+/–) 18...Ne5 19.Ne5 (19.Be5?! f6+=) 19...Rd5 (19...Nd6 20.Nc6 Kc8 21.Bg7 Rhe8 22.ab6 Bb6 23.Nd8 Rd8 24.Qh7 Qd5+–) 20.Nc6 Ka8 21.a6 (21.a6 Qc6 22.bc6+–) 1–0. Vila Vila,Ricard (1860) – Baeza Fernandez,Jose Alfonso (1795), Vic ESP, 2011.

3.e3 d5 4.h3 Nd7 5.Nf3 Ngf6 6.a3 Bd6 7.d4 c5 8.bc5 bc5 9.dc5 Nc5 10.Nbd2 0–0 11.Bd3 Nd3 12.cd3 Ba6 13.0–0 Bd3–+ 14.Re1 Ba6 15.Nd4 Bc5 16.N2f3 Bd4 17.Bd4 Ne4 18.Ne5 Qe7 19.Qg4 f6 20.Nc6 Qf7 21.Nb4 Bb7 22.Rab1 Qg6?? 23.Qg6 hg6 24.Nd3 Bc6 25.Nf4 e5 26.Ng6 Rf7 27.Ba1 Kh7 28.Nh4 Nd2 29.Rbc1 Nc4 30.Nf5 Rb8 31.Nd6 Nd6 32.Rc6 Nc4 33.Rd1 Na3 34.Rd6 d4 35.ed4 ed4 36.R6d4 Rb1 37.Rb1 Nb1 38.Rh4 Kg6 39.Rg4 Kh7 40.Rh4 Kg6 41.Rg4 Kf5 42.Rb4 Nd2 43.Rb5 Kg6 44.h4 Ne4 45.g3 Rd7 46.Kg2 Rd2 47.Kf3 Nf2 48.Bb2 Nh3 49.Ke3 Rc2 50.Kf3 Ng1 51.Kg4?? Ne2 52.Rb7 a5 53.h5 Kh7?? 54.Bf6+– Rc4 55.Kh3?? Kh6= 56.Bg7 Kh5 57.Ba1 Ra4 58.Rb5 Kg6 59.Bh8 Ra3 60.Kh4 Ng3 61.Be5 Nf5 62.Kg4 Ne3 63.Kf4 Nc4 64.Rb8 Ne5 65.Ke5 a4 66.Rb6 Kf7 67.Ra6 Ra1 68.Kd5 a3 69.Kc4 a2 70.Kb3 Rb1 71.Ka2 Rb4 72.Ra7 Ke6 73.Rh7 Ra4 74.Kb3 Ra1 75.Rh6 Kf5 76.Kc4 Rd1 77.Rh5 Kg4 78.Re5 Kf4 79.Rd5 Rc1 80.Kb4 Ke4 81.Rc5 Rb1 82.Ka5 Kd4 83.Rc8 Ra1 84.Kb4 Rb1 85.Ka3 Rb7 86.Ka4 Kd5 87.Ka5 Kd6 88.Ka6 Rb1 89.Rc2 Kd5 90.Rd2 Kc5 91.Rc2 Kb4 92.Kb6 Ka3 93.Kc6 Kb3 94.Kd5?? Kc2–+ 95.Ke5 Re1 96.Kd5 Kd3 97.Kc5 Rc1 98.Kd5 Rc4 (98...Rc4 99.Ke5 Rc5 100.Kd6 Kd4 101.Ke6 Re5 102.Kd6 Re4 103.Kc6 Re3 104.Kd6 Kc4 105.Kc6 Rd3 106.Kb6 Rd6 107.Kb7 Kd5 108.Kc7 Kc5 109.Kb7 Rd7 110.Kc8 Kc6 111.Kb8 Rd8 112.Ka7 Re8 113.Ka6 Ra8) 0–1. wojtekkk (1605) – esterx, kurnik, 2011.

3.e3 d6 4.Nf3 e5 5.d4 e4= 6.Nfd2 d5 7.c4 c6 8.cd5 cd5 9.Nc3 Bd7 10.b5 Be6 11.a3 Ne7 12.Be2 g6? 13.Bg4 Bg4 14.Qg4 Bg7 15.0–0 Qd7 16.Rfe1?? 0–0 17.Qd7= Nd7 18.Ne2 a6 19.ba6 Ra6 20.Nf4 g5=+ 21.Nh5 f5 22.a4 Nf6 23.Nf6 Bf6=+ 24.Ba3 Rfa8 25.Be7=+ Be7 26.f3? Ra4 27.fe4?? Ra1 28.ef5 Re1 29.Kf2 Rea1 30.Nf3 R1a2 31.Kg3 Kf7 32.Ne5 Kf6 33.Nd7 Kf7 34.Nb6?? Rb8 35.Nd5 Rbb2 36.e4 h5 37.Ne3–+ Ra3 38.Kf3 Bb4 39.h3 Bd2 40.e5 Re3 41.Kf2 Rd3 42.Ke2 Rdb3 43.d5 Bf4 44.Kd1 Ra3 45.e6 Ke7 46.f6 Kf6 47.d6 Ra1# 0–1. badboy1221 – ribsnrice, Live Game Caissa's Web, 2006.

3.e3 f5 4.Qh5 Ke7 5.Qf3 c6 6.b5 Bb7 7.Qg3 Nf6 8.Nf3 d6 9.Bd3 Nbd7 10.bc6 Bc6 11.Nd4 Qc7 12.0–0 Nc5 13.f3 Kf7 14.Nc3 Nd3 15.cd3 Be7 16.Rac1 Qd7+= 17.e4 g6? 18.Nc6+– Qc6 19.Nd5 Qb5 20.Bf6 ed5 21.Be7 Ke7 22.Rc7 (22.Rc7 Qd7 23.Qg5 Ke8 24.Rd7 Kd7 25.ef5+–) 1–0. Krueger,Ingo (1765) – Olschok,Juergen (1720), Pinneberg–ch, 2005.

3.e4 Bb4 4.a3 Bf8 5.a4 Bb7 6.Nc3 d5 7.f3 a6 8.Nge2 Bd6 9.d4? Ne7 10.Qd2 Bb4 11.e5 Nd7 12.g3 c5–+ 13.Bh3 cd4 14.Nd4 Nf8?? 15.Qd3 Nc6 16.0–0?? Bc5 17.f4? Qc7 18.Kh1?? Nd4 19.Ne2 Nc6 20.Rfd1 0–0–0 21.c3 Ne7 22.c4 dc4 23.Bg2 Rd3 24.Bb7 Qb7# 0–1. Gregor123 – chiha, mySchach.de, 2004.

3.e4 Nf6 4.e5 Nd5 5.b5 c5 (better is 5...Qh4!?=) 6.c4+/– Nf4?? (better is 6...Nc7+/–) 7.Qf3+– 1–0. Pies,Gerhard – Seelig,Jochen, Leverkusen op, 2004.

3.f3 Ba6 4.e4 Nf6 5.Ba6 Na6 6.b5 Nc5 7.Nc3 d5 8.d4 Nb7 9.Nge2 de4 10.fe4 Nh5 11.0–0+/– e5 12.Rf5+– g6? 13.Re5 Be7 14.Nd5 0–0 15.Re7 c6 16.bc6 (16.bc6 Na5 17.Rd7+–) 1–0. pierre – tyrg, internet, 2011.

3.f3 Qh4 4.g3 Qb4 5.Bc3 Qe7 6.e4 Nf6 7.d3 Nc6 8.Ne2 Ba6 9.Bg2 h5 10.0–0 h4 11.Nf4 Qc5 12.d4 (better is 12.Rf2–+) 12...hg3 13.hg3 (13.dc5?? Bc5 14.Bd4 Bd4 15.Qd4 Nd4–+) 13...Qg5 14.Kf2 Bf1 15.Qf1 e5 16.de5 Bc5 17.Ke2 Ne5 18.Nd2 (18.Kd1–+) 18...Nh5 19.Be5 (19.Nh5 Qe3 20.Kd1 Qc3 21.Ng7 Kf8 22.Rb1 Kg7 23.Qe2–+) 19…Ng3 (19...Ng3 20.Kd3 Qe5–+) 0–1. dariuscyclone (2000) – pierred (2765), net–chess.com, 2011.

3.Nf3 Ba6 4.a4 c6 5.Na3 Nf6 6.b5 Bb7 7.Nc4 Ne4 8.e3 a6 9.Bd3 cb5 10.ab5 a5 11.Be4+/– Be4 12.Bd4 Bc5?? 13.Bc5+– bc5 14.Nd6 Ke7 15.Ne4 Qc7 16.Qb1 d5 17.b6 Qb7 18.Nc5 Qc6 19.Na4 Nd7 20.Nd4 Qb7 21.Qb5 Rhc8 22.0–0 g6 23.f4 f5 24.Rf3 Ra6 25.Rh3 h5 26.Rb1 Nc5 27.Nc5 Rc5 28.Qc5 (28.Qc5 Kf7 29.Qc7 Qc7 30.bc7+–) 1–0. pierre – Pahan, internet, 2011.

3.Nf3 Bb4?? 4.Bg7+– Nf6 5.Bh8 Bb7 6.e3 Nd5 7.Be2 Nc6 8.0–0 f6 9.c4 Nde7 10.Bf6 d5 11.d4 Qd6 12.Ne5 0–0–0 13.Nf7 (13...Qd7 14.Nd8 Qd8 15.a3+–; 13.a3 Ba5 14.Nf7 Qd7 15.Nd8 Qd8 16.cd5 Qd5+–) 1–0. Bommert,Christian – Krueger,Sven, Dortmund ABC Anfaenger, 2002.

3.Nf3 d6 (--> 2.Bb2 d6 3.Nf3 b6).

3.Nf3 f6 4.b5 d5 5.e3 Bb7 6.Be2 c5 7.0–0 e5 8.c4 d4 9.ed4 cd4 10.d3 Bc5 11.Nfd2 Nd7 12.Bh5 g6 13.Bf3 Bf3 14.Nf3 Ne7 15.Nbd2 Nf8 16.Ne4 Nd7 17.Nfd2 Qc7 18.Qf3 f5?? 19.Ng5 Rc8+= 20.Ne6 Qd6 21.Ng7?? Kf7 22.Nh5 gh5–+ 23.Qh5 Qg6 24.Qf3 Qe6 25.Ne4 Rhg8 26.Qh5 Qg6 27.Qg6 Ng6 28.Nc5 Nc5 29.Rad1 Nf4 30.g3 Nfd3 31.Bc1 e4 32.Kh1 Ne5 33.f4 Nf3 34.Kg2 Rcd8 35.Ba3 Ne6 36.Bb2 d3 37.Be5 Ned4 38.a4 Rc8 39.a5 Rc4 40.ab6 ab6 41.Ra1 Rc2 42.Rf2 d2 43.Ra7 Kg6 44.Bd4 Nd4 45.Rd2 Rd2 46.Kf1 e3 47.Ke1 Nf3 48.Kf1 Rd1 49.Ke2–+ Rgd8 50.Ke3 R8d3 51.Ke2 Nh2 52.Rg7 Kg7 53.g4 R1d2 (54.Ke1 Nf3 55.Kf1 Re3 56.gf5 Re1#) 0–1. GULP – grigoropoulo3, caissa.com, 2004.

3.Nf3 g6 4.Bh8 f6 5.a3 Nh6 6.e4 Ng4 7.h3 Nh6 8.e5 Nf7 9.Bf6 Be7 10.Be7 Qe7 11.c4 Bb7 12.Be2 d6 13.d4 de5 14.0–0 Na6 15.Qa4 c6 16.b5 ed4 17.ba6 Bc8 18.Qc6 Kf8 19.Qa8 Nd6 20.Nd4 Qf6 21.Rd1 Kg7 22.Qa7 Kh6 23.Qb6 Ne4 24.Bf3 Bd7 25.Be4 Ba4 26.Rd2 Qf4 27.Qb4 Bd7 28.Bf3 e5 29.Ne2 Qg5 30.Rd7 e4 31.Qf8 1–0. wlittle (1705) – maf, net–chess.com, 2001.

3.Nf3 h6 4.e3 a6 5.a3 Bb7 6.Be2 d6 7.0–0 Nd7 8.d3 Rh7 9.c4 a5 10.d4+/– Ne7 11.Nc3 g6 12.b5 Bg7 13.e4 e5 14.de5 Ne5 15.Nd4 Nd7 16.Nd5 Nd5 17.cd5 Qe7 18.Bd3 Nc5 19.Qc2 Be5 20.f4 Bd4 21.Bd4+– 0–0–0 22.Bc5 dc5+/– 23.Rac1 f6 24.f5 g5 25.Qe2 Kb8 26.Rc4 Bc8 27.Rfc1 Rhh8 28.Qc2 Rd6 29.Rc3 Re8 30.Qd1 Qf7 31.Rc4 Bd7 32.Qa4 Re5 33.R4c2 Kb7 34.Rc3 Re8 35.Rc4 Re5 36.Kh1 Qh7 37.Qb3 h5 38.Kg1 h4 39.Qa4 h3 40.g3 Qh5 41.Rf1 Qg4 42.Kf2 Be8?? 43.Be2+– Qe2 44.Ke2 Bh5 45.Kf2 Bf7 46.Kg1 Rd7 47.g4 Rde7 48.Rf3 Re8 49.Rd3 Rd8 50.Rh3 Rd6 51.Rh7 Re7 52.Rh8 Be8 53.Rf8 Kc8 54.Qc2 Kd7 55.Qb2 Bf7 (56.h4! gh4+–). market (2240) – mirage (1660), GameColony.com, 2002.

3.a3 Bb7

(--> 1.b4 b6 2.Bb2 Bb7 3.a3 e6).

4.e3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7).

4.e3 Nf6 5.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 b6 5.Nf3 Bb7).

4.Nf3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.a3).

4.Nf3 f6 5.e3 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 f6 4.Nf3 e5 5.a3).

3.a4 Bb7

(--> 1.b4 b6 2.Bb2 Bb7 3.a4 e6).

4.Nf3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.a4).

3.a4 Nf6

4.Ra3 Bb4–/+ 5.Rg3 Bf8 6.Na3 Bb7 7.Qa1 Nc6 8.h4 Nh5 9.Rg5= Nf6 10.h5?? h6 11.Rg3 Nh5?? 12.Rh5+/– Qe7? 13.Nb5 0–0–0 14.Nf3 a6 15.Nbd4 Na5 16.Bc3 Nc4 17.e3 Nd6 18.a5 b5 19.Bb4 g6 20.Rc5 Bg7 21.Qa3 Kb8+/– 22.Nb5 Nb5? 23.Rb5+– d6 24.Rb7! Kb7 25.Nd4 Bd4 26.ed4 Ra8 27.Rb3 Kc8 28.Rc3 Kd7 29.g3 f5 30.Bg2 d5?? 31.Bf1 Qf7 32.Rc5 c6 33.Qa4 Rhc8 34.c4 dc4? 35.Bc4 Rc7 36.Re5 Re8 37.Ba6 Qf6 38.Bc4 Kc8? 39.a6 Kb8 40.Bd6 Qf7 41.a7 Ka8 42.Bc7 Qc7 (42...Qc7 43.Bd5! Rc8+–) 1–0. xtom – gjanari, kurnik, 2011.

4.b5 a6 5.Nf3 (5.Nc3 d5= (5...Bb7 6.Nf3 Bd6 7.e3 0–0 8.Bd3 Qe7 9.a5) 6.e3 Bd6 7.Nf3 0–0 8.a5 ba5 9.Ra5) 5...h6 (5...ab5 6.ab5 Ra1 7.Ba1= d5 8.e3 Nbd7 9.Nd4) 6.e3 (6.Nc3 d5= (6...Bb7 7.e3 Bd6 8.Be2 0–0 9.0–0) 7.e3 Bd6 8.a5 0–0 9.ab6) 6...Bb7 (6...ab5 7.ab5 Ra1 8.Ba1= Bb7 9.Bd3) 7.Be2 (7.Nc3 d5+= (7...Bd6 8.Be2 0–0 9.0–0) 8.a5 c6 9.ba6) 7...Bd6 (7...ab5 8.ab5 Ra1 9.Ba1=) 8.0–0 (8.Nc3 0–0+= 9.0–0) 8...c6 (8...ab5!? 9.ab5 Ra1 10.Ba1 Ng4+=) 9.Na3+/– 0–0 10.c4 (10.Nc4 Bc7+=) 10...Ba3 (10...Qe7 11.Bd3=) 11.Ra3+= d6 12.ba6 (12.Qb1 c5+=) 12...Na6+= 13.Bf6 (13.Qb3 Nc5 14.Bf6 gf6+=) 13...Qf6= 14.Qb1 Qd8 (14...Qe7 15.Rb3+=) 15.Rb3 Nc5 (15...b5 16.ab5 Nc5 17.Rb4+=) 16.Rb6+/– Qe7?? (better is 16...Ba6+/–) 17.d4+– Na4 (17...Rfb8 18.dc5 dc5 19.Qb3+–) 18.Rb7 Qd8 (18...Qe8 19.Qc2 c5 20.d5+–) 19.Qc2 c5 (19...Ra5 20.Rfb1 c5 21.Bd3+–) 20.Bd3 (better is 20.Ra1 Qc8 21.Rb5+– (21.Ra4?! Qb7 22.dc5 Ra4 23.Qa4 dc5+–)) 20...f6 (20...Qc8 21.Rb5 cd4 22.ed4 Qc7+–) 21.Bh7 Kh8 22.Qg6 (22.Qg6 Rg8 23.Bg8 Qg8 24.Ra1+–) 1–0. marekt – Stallan, ChessWorld.net, 2003.

3.b5 Bb7

4.a4 d5 5.e3 a6 6.Nf3 Ne7 7.Be2 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 cb5 11.cb5 Nd7 12.d4 Qc7 13.Nbd2 Nf5 14.0–0 Bb4 15.Qb3 Ba5 16.Bb2 0–0 17.Rc1 Qd6? 18.Ba3+– Qb8 19.Bb4?? Bb4+= 20.Qb4 Rc8 21.g4?? Nh6 22.Rc8+= Qc8 23.h3 Qc7 24.Kg2 f5? 25.Qe7+/– fg4?? 26.hg4 Nf8?? 27.Qc7 1–0. blackiwhite (1645) – delugens (1750), kurnik, 2011.

4.a4 Nf6 5.Nf3 d5 6.d4 Ne4 7.c4? Bb4–+ 8.Nbd2 g5?? 9.e3?? g4–+ 10.Ne5?! Nd2 11.Qg4 Nc4 12.Ke2 Nb2 13.Nf7 Kf7 14.Qh5 Ke7 15.Qg5 Kd7 16.Qg7 Be7 17.Kf3 Nc4 18.Bc4 dc4 19.e4 Rg8 20.Qe5 Qf8 21.Ke3 Rg2 22.Rhf1 Bg5 23.f4 Bf6 24.Qh5 Qb4 25.Qh7 Be7 26.Rad1 Qc3 (26...Qc3 27.Rd3 Qd3) 0–1. iczker – logika7, kurnik, 2011.

4.a4 g6?? 5.e3 f6 6.Nf3 Bg7 7.Nh4 Ne7 8.Nf3 d6 9.Be2 Nd7 10.0–0 Nc5 11.Nc3 e5 12.d4 Ne6 13.de5 de5 14.Qd8 Rd8 15.Rfd1 0–0 16.Rd8 Rd8 17.Rd1 Rd1 18.Nd1 Nc5 19.Nc3 Bf3 20.Bf3 Nf5 21.Ba3 Bf8 22.Bc5 Bc5 23.Nd5 Bd6 24.Nf6 Kg7 25.Ne4 Bb4 26.Ng5 Bd6 27.Ne4 h6?? 28.Kf1 g5 29.Bg4 Nh4 30.g3 Ng6 31.Bf5 Ne7 32.Be6 Ng8 33.Ke2 Nf6 34.Nf6 Kf6 35.Bb3 h5 36.Kf3 Bb4 37.Ke4 Be1 38.f3 Bf2 39.g4 hg4 40.fg4 Be1 41.h3 Bg3 42.Kf3 Be1 43.e4 Bb4 44.Bd5 Ke7 45.c4 Bd2 46.Kg3 Be1 47.Kg2 Kd6 48.Kf3 Kc5 49.h4 gh4? 50.g5+– Bd2 51.g6 Bh6 52.Kg4 h3 53.Kh3 Bg7 54.Kg4 Kb4? 55.Kf5 Ka4 56.Ke6 Kb4 57.Kf7 Bh6 58.g7 Bg7 59.Kg7 Kc3 60.Kf6 Kd4 61.Ke6 Ke3 62.Ke5 Kf3 63.Kf5 Kg3 64.e5 Kf2 65.e6 Ke3 66.e7 Kd3 67.Kf6 Kd4 68.Kf7 Kc5 69.e8Q Kb4 70.Qc6 a5 71.Qc7 (71.Qc7 Kb3 72.c5 Kc2 73.cb6 Kb2 74.b7 Kb1 75.Qc3 a4 76.Be4 Ka2 77.b8Q a3 78.Qh2) 1–0. j1a9n55 – zacier, kurnik, 2011.

4.e3 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.b5).

4.Nf3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.b5).

3.c4 Bb7

(--> 1.b4 b6 2.Bb2 Bb7 3.c4 e6).

4.e3 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.c4).

4.e3 f5 5.Nf3 Nf6 6.b5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

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

4.Nf3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.c4).

3.c4 Nf6

4.a3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.c4).

4.Qb3 Nc6 5.b5 Na5 6.Qc2 Be7 7.e3 0–0 8.Bc3 Nb7 9.Nf3 c5 10.Bd3 d5 11.0–0 d4 12.ed4+/– cd4 13.Nd4 Bd7 14.Nb3 g6 15.a4 Nc5 16.Nc5 bc5 17.a5 Qc7 18.h3 Nh5 19.Be4 Rab8 20.Qb2 Qf4 21.Be5?? Qe4–/+ 22.Bb8 Rb8 23.Nc3 Qd3 24.Rae1 Bf6 25.Re3? Qd6?? 26.Ne4=+ Qe7 27.Nf6+= Nf6 28.Rf3 Nh5 29.g4 Ng7 30.Re1 Qd6 31.Qe5+/– Qe5 32.Re5 Kf8 33.Rc5+– Ke7 34.Rc7 Kd6 35.Ra7 Ne8 36.Rd3 Kc5 37.Rdd7 Kc4 38.b6 Nf6 39.Rab7 Nd7 40.Rd7 f5 41.gf5 gf5 42.Rh7 Kb5 43.Ra7 e5 44.Kg2 Rg8 45.Kf3 Rg6 46.Re7 e4 47.Kf4 Ka5 48.b7 Rb6 49.Kf5 Ka6 50.Ke4 Rb4 51.d4 Rb7 52.Rb7 Kb7 53.h4 Kc6 54.h5 Kd7 55.h6 Ke6 56.h7 Kf6 57.h8R Kg7 58.Rh3 Kg6 59.Rf3 Kg5 60.d5 Kg4 61.Rg3 Kh4 62.Kf5 Kh5 63.Rh3 1–0. orangutanb4 (1980) – unejam (1655), kurnik, 2011.

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

3.e3 Bb4??

4.Bg7 Bb7 5.Nf3 d6 6.Bh8 Nd7 7.a3 Ba5 8.Bc3 Bc3 9.Nc3 Qf6 10.Be2 0–0–0 11.a4 Nc5 12.a5 Ne7 13.ab6 cb6 14.Ra7 Nc6 15.Ra3 Qe7 16.Qa1 Kc7 17.0–0 Nb4 18.Qb2 Nd5 19.Nd5 ed5 20.Rb1 Nd7 21.Rc3 Bc6 22.Nd4 Rb8 1–0. nordlicht – vahann_1, gameknot.com, 2001.

4.Bg7 f6 5.Bh8 Kf7 6.Qh5 Kf8 7.Bd3 Qe7 8.Qh7 Qh7 9.Bh7 Be7 10.Nf3 Nh6 11.Nc3 Nf7 12.Bf6! Bf6 13.Be4 d5 14.Bd3 a6 15.0–0–0 b5 16.Nd4 Bd7 17.f4 c5 18.Nf3 c4 19.Be2 b4 20.Nb1 Nc6 21.g4 Rb8 22.h4 b3 23.ab3 cb3 24.cb3 Rb3 25.g5 Bg7 26.h5 Nb4 27.h6 Bb2. elsh1403 – donstephen, kurnik, 2011.

4.Bg7 Nf6 5.Bh8 Ke7 6.Bf6 Kf6 7.Nc3 d5 8.Nf3 Bb7 9.Nd4 c5 10.Qf3 Ke7 11.Nde2 Qd7 12.Qh5 d4 13.ed4 cd4 14.Nd1 d3 15.cd3 Qd3 16.Qg5 Kd7 17.Nec3 Qc2 18.Qb5 Nc6 19.Bd3 a6 20.Qc6! Bc6 21.Bc2 Bg2 22.Rg1 Rg8 23.Ne3 Bc3 24.dc3 Be4 25.Rg8 (25.Rg8 f5 26.Be4 fe4 27.Rd1 Ke7 28.Ra8+–) 1–0. Fournier,Frederic – digerin, kurnik.com, 2009.

3.e3 Bb7

(--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6).

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

4.Nf3 a5 5.b5 (--> 1.b4 a5 2.b5 b6 3.e3 Bb7 4.Bb2 e6 5.Nf3).

4.Nf3 d5 5.c4 Nf6 6.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 b6 5.Nf3 Bb7 6.c4).

4.Nf3 f5 5.c4 Nf6 6.b5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

4.Nf3 Nf6 5.a3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3).

4.Nf3 Nf6 5.a3 Be7 6.c4 0–0 7.Be2 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3 Be7 6.Be2 0–0 7.c4).

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

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

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

3.e3 c5

4.bc5 bc5 5.Nf3 a6 6.Be2 Nf6 7.0–0 g6 8.c4 Bg7 9.Nc3 0–0 10.d4 cd4 11.ed4 Nc6 12.a3 Rb8 13.Rb1 d5 14.c5 Nd7 15.Na4 e5 16.de5 Nde5 17.Ne5 Ne5 18.Nb6 Bf5 19.Ra1 Re8 20.Ba6 Rb6 21.cb6 Qb6 22.Qd5 Qa6–/+ 23.h3 Nd3 24.Bg7=+ Kg7 25.g4 Be6 26.Qd4 Kg8 27.Rad1 Bc4 28.Qd7? Re2 29.Rb1 Qe6 30.Rb8 Kg7 31.Qd4 Re5?? 32.Qd8?? Kh6 33.Rb6 Qe8 34.Qd4 Qa4?? 35.Rb4+/– Nb4 36.Qe5?? Qa3?? 37.h4?? f6?? 38.Qf6 (38.Qf6 Nd5 39.Qg5 Kg7 40.Qe5 Kg8 41.Qe6 Kg7 42.Rb1=). nizinna (1650) – wts144, kurnik, 2011.

4.bc5 bc5 5.Nf3 Nf6 6.Na3 Ba6 (6...Be7 7.Rb1=) 7.Ba6 Na6 8.0–0 Be7 9.e4 d5 (9...Ne4? 10.Qe2+– (10.Bg7?! Rg8 11.Be5 d5=)) 10.ed5 Qd5 11.c4 Qb7 12.Qa4 Nd7 13.Qb5 Qb5 14.cb5 Nb4 15.Bg7 Rg8 16.Bb2 a6 (16...Nd3 17.Bc3=) 17.Bc3 (17.Rfb1 Nd3 18.Bc3 ab5 19.Nb5 Ra4+=) 17...Nd5 (17...ab5 18.Nb5 Ra2 19.Ra2 Na2 20.Ra1 Nc3 21.dc3+=) 18.g3 (18.Rfb1 Rg4 19.ba6 Ra6+=) 18...h5 (18...Rg4!? 19.ba6 Ra6+=) 19.Rfb1+= h4 20.Kg2 ab5 21.Nb5 Ra4 22.a3 f5 23.Rg1 f4 (23...c4 24.Rge1+=) 24.Rae1 fg3 25.fg3 Rag4 (25...c4!?+=) 26.Kf2+– (26.Re6? Nf4 27.Kh1 Ne6–+) 26...hg3 27.Rg3 Kf7 28.Re2 Nf4 29.Re3 (29.Rg4 Rg4 30.Re4 Kg6+/–) 29...c4 30.Rg4 Rg4 31.Re4 Nd3 32.Ke3 Bc5 33.Bd4 Re4 34.Ke4 Nf6 35.Ke3 Ng4 36.Ke2 Nf4 37.Kf1 Bd4 38.Nbd4 e5 39.Ne2 Ke6 40.Nf4 ef4 41.h4 Kd5 42.h5 Kc5 43.Ke2 Kb5 44.Nd4 Ka4 45.Kf3 Nf6 46.h6 Ka3 47.Kf4 (47.Kf4 Nh7 48.Kf5+–) 1–0. marekt – suopis, internet, 2014.

3.e3 f6

4.a3 Bb7 5.c4 d5 6.Nf3 dc4 7.Bc4 e5? 8.Ne5!+– fe5 9.Qh5 g6 10.Qe5 Qe7 11.Qe7 Be7 12.Bh8 Bg2 13.Rg1 Be4 14.Bg8 Nd7 15.Ke2 Nf6 16.Bf6 Bf6 17.Ra2 Ke7 18.Bh7 Rh8 19.Bg6 Bd5 20.Rc2 c6 21.b5 c5 22.d4 Bb3 23.Rc3 c4 24.d5 Rh2 25.e4 Bc3 26.Nc3 Bc2 27.e5 Rh4 28.Bc2 Rh5 29.e6 Kd6 30.Rg7 Re5 31.Be4 Kc5 32.Rc7 Kd6 33.Rd7 Kc5 34.Kd2 Kd4 35.Bf3 Rf5 36.e7 Rf3 37.e8Q Rf2 38.Ke1 Kc3 39.Qe3 Kb2 40.Qf2 Ka3 41.Rc7 Kb4 42.Qb2 Ka5 43.Rc4 a6 44.Qa3 Kb5 45.Qb4# 1–0. slavisa99 – grigoropoulo2, caissa.com, 2004.

4.a3 d5 5.Be2 c5 6.bc5 Bc5 7.Bh5 g6 8.Bf3 Nc6 9.c4 dc4?? 10.Bc6+– Ke7 11.Ba8 (11.Ba8 e5 12.Qa4+–) 1–0. revbodio – GRIGOROPOULOS18, Caissa.com, 2004.

4.Qf3 d5 5.d4 Bb7 6.Ne2 a6 7.Qg3 b5 8.a3 Nh6 9.Nf4 Qd7 10.Nd2 Nf5 11.Qh3 Bd6 12.g3 Qf7 13.Nb3 Nd7 14.Nc5 Nc5 15.dc5 Bf4 16.gf4 c6 17.Bd3 Nh6 18.Rg1 Kf8 19.Qg3 g6 20.h4 Nf5 21.Qh3 Ne7 22.0–0–0 Rg8 23.h5 f5 24.h6 Ke8 25.Qh4 Kd7 26.Bg7 Rge8 27.Qg3 Ng8 28.Qf3 Nf6 29.Qe2 Nh5 30.Bb2 Nf6 31.Qd2 Rf8 32.Qc3 Ne4 33.Be4 fe4 34.Qe5 Qe7 35.Rg5 Rf5 36.Rf5 ef5 37.Qc3 Re8 38.Qb3 Bc8 39.Bg7 Qe6 40.a4 Kd8 41.ab5 ab5 42.Kb2 Qd7 43.Ra1 Ke7 44.Be5 Ke6 45.Qc3 Rf8? 46.Bd6 Rf7?? 47.Qe5# 1–0. slavisa99 – grigoropoulo3, caissa.com, 2004.

3.e3 Nf6

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

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

4.Qf3 d5 5.Bf6 Qf6 6.Qf6 gf6 7.a3 f5 8.d4 f6 9.c3 e5 10.Nd2 Bb7 11.Ne2 Bh6 12.c4 dc4 13.Nc4 ed4 14.ed4 Nd7 15.Ng3 f4 16.Nf5 Bg5 17.h4 Bh4? 18.Rh4 0–0–0 19.f3 Rhe8 20.Kf2 Nf8 21.Be2 Rd5 22.Rf4 Ng6?? 23.Ng7 Red8?? 24.Rc1 Nf4–+ 25.g3 Nh3 26.Kg2 Ng5 27.f4 Ne4 28.Bf3–/+ Rd4 29.Ne6 Rd2 30.Nd2= Rd2 31.Kh3?? Rd7 32.Be4 Be4–/+ 33.f5?? Bf5–+ 34.g4 Be6 (35.Rf1 h5 36.Rf6 hg4 37.Kg2 Rd2 38.Kg1 Bd5–+) 0–1. serbiansaint – GRIGOROPOULOS3, Caissa’s Web, 2004.

4.h3 Bb4–/+ 5.a3 Be7 6.Be2 d6 7.Bf3 Bb7?? 8.Bb7+– Nbd7 9.Ba8 Qa8 10.Qf3 d5 11.c4! 0–0 12.cd5 ed5 13.Ne2 c6 14.0–0 Ne5 15.Be5 Re8 16.Bc3 Ne4 17.Qg4 g6 18.Ng3 Nc3 19.Nc3 c5 20.Qd7 Bh4 21.Qd5 Rd8 22.Qa8 (22.Qa8 Ra8 23.d4+–) 1–0. wojtekkk (1610) – tavita1964, kurnik, 2011.

3.e4 Bb7

4.d3 Nc6 5.a3 f6 6.Nd2 Nge7 7.Qg4 (7.h4 Nc8=) 7...h5 (7...Ng6 8.Ngf3+=) 8.Qh3 Ng6 9.Be2 Nf4 10.Qf3 g5 11.Nh3 e5 (better is 11...Ne5!? 12.Be5 fe5 13.Nf4 gf4+=) 12.Nf4+/– ef4 13.Qh3 h4 14.Qf5 Rg8?? (better is 14...Bg7+=) 15.Bh5 (15.Bh5 Rg6 16.Bg6 Ke7 17.Qf6) 1–0. Cruz Vera,Javier – Gonzalez Diaz,Eusebio, San Cristobal ESP, 1st Verano Open, 2012.

4.f3 Nf6 5.Ne2 Bb4 6.a3 Be7 7.c4 0–0 8.Nbc3 d5 9.cd5 ed5 10.e5 Ne8 11.d4 c5 12.dc5 bc5–+ 13.Ng3 Qa5 14.Qd2 Nc7 15.Nf5 Re8 16.Ne7 Re7 17.f4 Nc6 18.Be2 Nd4 19.Bd1 Ba6 20.Kf2? Rae8 21.Ne4 Qd2 22.Nd2 Nce6 23.g3 Rb8 24.Bc3 Nc6 25.Bf3 Nc7 26.Rhb1 Ree8 27.Nb3 Bd3 28.Rb2 d4 29.Nc5= dc3 30.Rb8 Rb8 31.Nd3 Nd4 32.Rc1 Rb3 33.a4 c2 34.Be4 Na6?? 35.Ke3+– Ne6 36.Rc2 g6 37.Rc4 Ra3 38.g4 Nec5 39.Kd4 Ne6? 40.Kd5+– Ra2 41.h4 Rd2 42.Kc6 Nd8? 43.Kb5 Nb8 44.Rc8 (44.Rc8 Nbc6 45.Nc5 Rb2 46.Kc4 Rb4 47.Kc3+–) 1–0. thotares (1680) – ookii (1775), internet, 2007.

4.Nf3 h6 5.d3 Bb4=+ 6.Nbd2 Bf8 7.Be2 d5 8.0–0 Nd7 9.Nb3 Ngf6 10.e5 Ng8 11.d4 g6 12.c4 c6 13.c5 Bg7 14.Nfd2 Ne7 15.f4 Nf5=+ 16.Rf3 Nh4 17.Rh3 Nf5 18.Bg4 Ne7 19.Nf1 h5 20.Bf3 Nf5 21.Ng3 Ng3 22.Rg3 b5 23.Qd2 Bh6 24.Bc1 Qe7 25.Qd3 0–0–0 26.Bd2 a6 27.a4+/– Nb8 28.ab5 cb5 29.Na5 h4 30.Rh3 g5 31.fg5 Bg5 32.Bg4 Bd2 33.Qd2 Qd7 34.Nb7 Qb7 35.Qa5 Rdg8 36.Be2+= Rg4?? 37.Bg4+– 1–0. gtate (1985) – beammeupscotty (2105), net–chess.com, 2004.

3.Nf3 Bb7

(--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6).

4.e3 Nf6 5.a3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3).

4.e3 Nf6 5.a3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 b6 5.Nf3 Bb7).

4.e3 Nf6 5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 d6 9.Be2 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 d6 6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1).

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

4.g3 Nc6 5.a3 Nf6 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Nc6).

4.g3 Qe7 5.a3 Nf6 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Qe7).

4.g3 Nf6 5.Bg2 Be7 6.a3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Be7 6.Bg2).

3.Nf3 f5

4.e3 Nf6 5.b5 Bb7 6.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

4.e3 Nf6 5.b5 c5 6.c4 Bb7 7.d4 d5 8.Nbd2 Nbd7 9.Be2 Bd6 10.0–0 0–0 11.Ne5 Ne4 12.Ndf3 Qe7 13.cd5 ed5 14.Rc1 c4 15.a4 Rae8 16.g3 g5 17.Nd7 Qd7 18.Ne5 Be5 19.de5 Qe6 20.f3 Nc5 21.f4 g4 22.Bd4 Ne4 23.Ra1 h5 24.a5 Ra8 25.ab6 ab6 26.Qc2 Qe7 27.Ra8 Ra8 28.Ra1 Ra1–/+ 29.Ba1 Qa3 30.Bb2?? Qe3–+ 31.Kh1 Nf2 32.Kg2 Ne4 33.Bd1?? d4 34.Qe2 Nc3 35.Kf1 Ne2 36.Be2 d3 37.Bd1 d2 38.Be2 Bf3 39.Bf3 Qf3 (39...Qf3 40.Kg1 d1Q) 0–1. bratek55 – kingkrool (1610), kurnik, 2011.

3.Nf3 Nf6

4.a3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.Nf3).

4.a3 Bb7 5.e3 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 b6 4.e3 Bb7 5.Nf3).

4.a3 Bb7 5.g3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3).

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

4.d4 Bb4 5.c3 Be7 6.Nbd2 Bb7 7.Qc2 d5 8.c4 c6 9.e3=+ Nbd7 10.Be2 0–0 11.0–0–0 c5 12.g4 Rc8 13.h3 dc4 14.Qc4?? cd4 15.Nd4 Rc4 (15...Rc4 16.Nc4 Bh1 17.Rh1 Qc7–+; 15...Bh1 16.Rh1 Rc4 17.Nc4–+) 0–1. Matthias – kalle, mySchach.de, 2004.

4.g3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6).

3.g3 Bb7

4.Nf3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3).

4.Nf3 Nc6 5.a3 Nf6 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Nc6).

2.Bb2 c5

3.a3 a6 4.e3 cb4 5.ab4 Nf6 6.c3 g6 7.Nf3 Bg7 0–1. ekosachro (2435) – danielro (2290), net–chess.com, 2011.

3.b5 Qb6 4.c4 a6 5.a4 ab5 6.cb5 Nf6 7.e3 d5 8.Nf3 Nbd7 9.d4 c4 10.Nc3 Be7 11.Be2 0–0 12.0–0 Bb4 13.Qc2 Bc3 14.Bc3+= Ne4 15.Rab1?? Nc3–/+ 16.Qc3 Ra4 17.Bd1 Ra8 18.Bc2 Nf6 19.Qd2 Bd7 20.Ne5 Be8 21.Qe2 Ne4?? 22.f3?? Nf6 23.Qf2 Bb5 24.Qh4 h6 25.Rb4 c3 26.Rfb1 Ra2?? 27.Rb5+– Qa6 28.Bd3 Qa3 29.R5b3 Qa5 30.Rb5?? Qa4?? 31.R5b4 Qa5 32.Rb5?? Qa4?? 33.R5b4?? Qa5 34.Ng4?? Ng4= 35.Qg4? Rd2–+ 36.Rb5 Qa2 37.h4?? Rd3–+ 38.f4 c2 39.R1b2 Qa1 40.Kh2 c1Q 41.Rb1 Qab1 42.Rb1 Qb1 43.h5 Re3 44.f5 Qf5 45.Qf5 ef5 46.Kg1 Re4 47.Kf2 b5 48.Kf3 b4 49.g4 b3 (50.g5 hg5 51.Kg2 b2 52.h6 Re2 53.Kf1 Rfe8 54.h7 Kh7 55.Kg1 b1Q) 0–1. slavisa10 – migottaichibolz9, caissa.com, 2004.

3.b5 f6 (--> 2.Bb2 f6 3.b5 c5).

3.bc5 Na6 4.d4 d6 5.cd6 Bd6 6.e3 Nf6 7.Nf3 Qb6 8.Qc1 Ne4 9.Bd3 f5 10.0–0 0–0 11.c4 Bb8 12.Be4 fe4 13.Nfd2 Nb4 14.Ne4?? Nd3–/+ 15.c5?? Qb2 16.Qb2=+ Nb2 17.Nbc3 Nc4 18.a4 Na5 19.Rab1 e5 20.d5= Bf5 21.Rb5 Nc4?? 22.Rb7+– 1–0. carocan (1670) – gicupirvu2007, kurnik, 2011.

3.bc5 d6 4.cd6 Bd6?? 5.Bg7+– f6 6.Bh8 Bd7 7.e3 a6 8.Qh5 Ke7 9.Qh7 (9.Qh7 Kf8 10.Qg7 Ke8 11.Qg8 Bf8 12.Qg6 Ke7 13.Bf6 Kd6 14.Qg3 Kc5 15.Qe5 Kb6 16.Bd8 Ka7 17.Qd4 Bc5 18.Qc5 b6 19.Qb6) 1–0. futsalboy (1715) – chessplay (1705), kurnik, 2011.

3.bc5 f5 4.e3 h5 5.d4 Nc6 6.Nf3 g5?? 7.d5+– (7...Rh7 8.dc6 bc6 9.h4+–) 1–0. Wall,Bill – Guest2732, Internet, 2003.

3.bc5 Nf6 4.d4 +=.

3.a3 cb4

4.ab4 Nf6 5.c3 Qb6 6.Nf3 Ng4 7.e3 Nc6 8.h3 Nf6 9.Be2 Bd6 10.0–0 h5 11.d3 Qc7 12.Nbd2 Ng4 13.b5+– Nce5 14.Ne5 Be5 15.Bg4 hg4+/– 16.Qg4 b6 17.Rac1 Bb7 18.d4 Bd6 19.c4 0–0–0 20.Nb3?? f5–+ 21.Qg5 g6 22.c5?? bc5?? 23.dc5 Bh2–+ 24.Kh1 Rh5 25.Qg6+/– Kb8?? 26.Qh5+– Rg8 27.c6! dc6 28.bc6 Bc6 29.f3 Qg3 30.Rc2 Qg7 31.Bg7 Rg7 32.Rc6 (32.Rc6 a5 33.Qe8 Ka7 34.Nc5 Rg2 35.Ra6#) 1–0. horacyad2010 – joule, kurnik, 2011.

4.e3 ba3 5.Ba3 d6 6.Nf3. pieeater – john1007, ChessWorld.net, 2012.

3.b5 a6

4.a4 c4 5.e3 Qh4?! 6.Nf3 Qe4 7.Nc3 Qg4 8.Ne2 d5 9.Ne5 Qh5 10.g3 f6?? 11.Nc4 dc4 12.Nf4 Qc5 13.Bg2 e5 14.Qh5!! Ke7?? 15.Ba3 Nd7 16.Bc5 Nc5 17.Nd5 Kd6 18.Qe8 Ne7 19.Nb6 Rb8 20.Nc4 Kc7 21.b6# 1–0. Trkn – shred, itsyourturn.com, 2000.

4.c4 ab5 5.cb5 d5 6.e3 Nf6 7.a4 Be7 8.Nf3 0–0 9.Be2 Nbd7 10.0–0 Nb6 11.h3 c4 12.d3 Nfd7 13.Nbd2 Nc5 14.dc4 dc4 15.Nc4 Nba4 16.Qd8 Rd8 17.Bd4 Bd7 18.Nfe5 Bb5 19.Bc5 Nc5–/+ 20.Ra8 Ra8 21.Rc1 f6 22.Nd3 Nd3 23.Bd3 Bc6 24.Rb1 Kf7 25.Nd2? Rd8 26.Rb3 Ba4 27.Rc3 Rd7 28.Nf3 Bb4 29.Rc4 Rd3 30.Rb4 b5 31.Nd4=+ e5 32.Nb5 Bc2 33.Rc4 Rd1 34.Kh2 Bd3 35.Rb4 Rd2 36.Nd6 Ke6 37.Ne8 Rf2 38.Ng7 Kf7 39.Rb7 Kg6 (39...Kg6 40.Ne8 Rg2 41.Kg2 Be4 42.Kf2 Bb7–/+) 0–1. horacyad2010 – wulfila, kurnik, 2011.

3.b5 b6

4.e3 Bb7 5.a4 Nf6 6.Nf3 a6 7.Be2 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.c4 Bc7 11.0–0 d5 12.d3 Qd6 13.Be5 Qd7 14.Bf6 gf6 15.Qc2 Qd6 16.g3 h5 17.h4 Rg8 18.Kh1 Nd7 19.Nbd2 f5 20.Ra1 Rg3? 21.fg3+– Qg3 22.Nf1?? Qh3= 23.N3h2 dc4–/+ 24.Bf3?? Bf3–+ 25.Qg2 Qg2 0–1. erisonpassos – szymon8008, kurnik, 2011.

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

4.Nf3 Nf6 5.e3 Be7 6.Be2 0–0 7.0–0 Bb7 8.a4 d5 9.c4 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.a4).

3.b5 d5

4.e3 Nd7 5.Nf3 Ngf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Nbd7).

4.e3 Nd7 5.Nf3 Ngf6 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Nbd7 6.Nf3).

3.bc5 Qa5

4.Bd4 Nc6= 5.Be3 Bc5 6.Bf4 Bd4 7.c3=+ Bf6 8.e3 d5 9.Ne2 Qb6 10.d4= Bd7 11.Nd2 Qd8 12.Nb3 b6 13.Ng3 g5 14.Bd6+= Qc8 15.Nh5 Nce7 16.Nf6 Nf6 17.Be5 Neg8 18.Nd2 Qc3 19.Rc1 Qb2 20.Rc7 h5 21.Be2 Rh6 22.0–0 Ne7 23.Ba6+/– Qa2 24.Bb7 Rd8 25.Bf6 Rf6 26.Qh5 Rg6 27.Nf3+– f6 28.Qh8 Rg8 29.Qf6 Nf5 30.Ne5 Rf8 31.Qg6 Ke7 32.Qg5 Kd6+– 33.Rcc1 Bb5 34.Ra1 Qc2 35.Rfc1 Qe4 36.Ra7 Rg8 37.Nf7 Kd7 38.Bd5 (38.Bd5 Ke8 39.Qg8#) 1–0. pinecrest1981 – yxcvb1000, Live Game Caissa's Web, 2005.

4.e3 Qc5 5.Nc3 a6 6.Nf3 Nc6 7.Bd3 b5 8.a4 Bb7 9.Ne4 Qe7 10.ab5 ab5?? 11.Ra8+– Ba8 12.Qa1 Bb7 13.Bg7 f6 14.Bh8 Bg7 15.Bg7 Qg7 16.Nd6 (16.Nd6 Ke7 17.Nb7+–) 1–0. usingprogram – joule, internet, 2011.

3.bc5 b6

4.cb6 ab6 5.e3 Ba6 6.Ba6+/– Na6 7.Nf3 Nb4 8.Nc3 Nf6 9.0–0 Nfd5 10.Nd5+– ed5 11.Re1 Na2?! 12.e4 de4 13.Re4 Be7 14.Bg7 Rg8 15.Bf6 Nc3 16.Re7 Kf8 17.dc3 Rg6 18.Rf7! Kf7 19.Bd8 Rd8 20.Ne5 (20.Ne5 Kg7 21.Ng6 h6 22.Qd4 Kg6 23.Qb6 Kh7 24.Qd8 Kg7 25.Qd7 Kf6 26.Qd6 Kf5 27.Ra5 Kg4 28.Qd4#) 1–0. pierre – apoxiris, internet, 2009.

4.cb6+/– Qb6 5.Bc3 Nc6 6.e3 (6.Nf3 d5 7.e3 Rb8+/–) 6...a5 (6...Qc7 7.Nf3+/–) 7.Na3 (7.Nf3 Rb8+/–) 7...Ba6 8.Rb1 Qa7 (8...Nb4!?+/–) 9.Ba6 (9.Nb5 Bb5 10.Bb5 Qc7+–) 9...Qa6 10.Nb5 Qc8?? (better is 10...Rc8+–) 11.Bg7!! Nge7 (11...Bg7 Theme: Deflection from d6 12.Nd6 A double attack) 12.Nd6 (12.Nd6 Kd8 13.Nc8 Bg7 14.Nd6+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

3.bc5 Bc5??

4.e3 Nf6= 5.d4 Be7 6.c3 0–0 7.Nd2 Nc6 8.Bd3 d5 9.Ne2 b6 10.0–0 Bb7 11.c4 dc4 12.Nc4 Rc8 13.a4 h6 14.e4 Qc7 15.e5 Nd5 16.Ng3 Na5 17.Na5+= ba5 18.f4?? Qc2?? 19.Bc2+– (19.Bc2 Ne3 20.Bh7 Kh8 21.Qb3 Nf1 22.Qb7 Ng3 23.hg3+–) 1–0. tumachov – Fournier,Frederic (1815), Active, 2011.

4.Nf3 Qb6= 5.Bg7?? Bf2 0–1. Fournier,Frederic (1845) – sefiroth (1730), Active (5/0), 2005.

4.Bg7 Qb6 5.e3 d5 6.Bh8 f6 7.Qh5 Ke7 8.Qh7 Kd6 9.Qg8 d4 10.Bf6 Qb2 11.Bd4 Bd4 12.ed4 Nc6 13.Qf8 Kc7 14.Qf7 Kb6 15.Nf3 Qa1 16.Bc4 Qb1= 17.Ke2 Qc2?? 18.Be6 Qe4–+ 19.Kd1 Be6 20.Qh5 Qb1 21.Ke2 Qh1 22.Qc5 Kc7 23.Ne5 Qg2 24.Qe7 Ne7 (24...Ne7 25.Kd1 Qf1 26.Kc2 Ba2 27.d5 Nd5 28.d4 Qe2 29.Kc1 Nb4 30.h4 Qc2) 0–1. elsh1403 – tomborell, kurnik, 2011.

4.Bg7 Qb6 5.e3 f6 6.Bh8 Qb2 7.Nc3 (7.Nc3 Kd8 8.Rb1+–) 1–0. carocan (1850) – jurojuro (1705), kurnik, 2011.

4.Bg7 Qb6 5.e3 f6 6.Bh8 Nc6 7.Nc3 (7.Nc3 Kd8 8.Qh5+– f5 9.Rb1 Qa5+–; 7.Qh5 Kd8 8.Nc3 f5 9.Rb1 Qa5+–) 1–0. pierre – azmir, internet, 2008.

4.Bg7 Nc6 5.Bh8 b6 6.Bb2 Qg5 7.Nf3 Qf5 8.Nc3 Bb7 9.e3 0–0–0 10.Be2 Nh6 11.d4 Bb4 12.Qd3 Qg4 13.Rg1 Qg7 14.a3 Bc3 15.Bc3 d5 16.a4 a5 17.Qb5 Ng4 18.Qb6 Qg6 19.Bd3 Qh6 20.Rb1 Rd7 21.Ba5 Ne3 22.Bd2 Nc2 23.Bc2 Qf6 24.a5 Qd8 25.Ba4 Qb6 26.Rb6 Rd6 27.a6 Ba6 28.Ra6 Kb7 29.Rc6 Rc6 30.Bc6 Kc6 31.Ne5 (31.Ne5 Kb6 32.Nf7+–) 1–0. Fournier,Frederic (1695) – 26stack (1820), Active (5/0), 2004.

4.Bg7 Bd4 5.Bd4 f6 6.e3 Nc6 7.Qh5 Ke7 8.Nf3 Qb6 9.Bb6 (9.Bb6 ab6 10.Nc3+–) 1–0. pierre – LurZa_boY, internet, 2008.

4.Bg7+– Bd4 5.Bd4 Nf6 +–.

4.Bg7+– Bf2 5.Kf2 Qg5 6.Bh8 Nh6 7.Nf3 Qh4 (7...Qg8 8.Bb2 Ng4 9.Kg1 Qg6+–) 1–0. Bonetti,Shane – Abismo, ICC, 2002.

4.Bg7 Nf6 5.Bh8 Kf8 6.Nc3 Kg8 7.Bf6 Qf6 8.Ne4 Qe5 9.Nc5 Qc5 10.e3 b6 11.Bd3 Bb7 12.Qg4 Kf8 13.Nf3 d5 14.Ne5 Qe7 15.Bh7 Ke8 16.Qg8 Qf8 17.Nf7 Qg8 18.Bg8 Nd7 19.Ng5 Nf6 20.Be6 Ke7 21.Bf5 d4 22.0–0 de3 23.Rae1 Rg8 24.Re3 Kf8 25.f4 Nd5 26.Rd3 Nf4 27.Rd8 Ke7 28.Rg8 (28.Rg8 Bd5 29.Re1 Kd6 30.Rd8 Kc7 31.Rc8 Kb7 32.Re7 Ka6 33.g3 Ne2 34.Re2+–) 1–0. pierre – mag1987, internet, 2008.

3.bc5 Nc6

4.d4 Nf6 5.Nf3 d6 6.cd6 Bd6 7.Nbd2 0–0 8.e4 e5? 9.d5 Ne7 10.Bd3 Qc7 11.0–0 Ng6 12.g3 Ng4 13.h3 Nh6 14.Kg2 f5 15.c4 b6 16.Rc1 fe4 17.Ne4 Qd7 18.Ng1 Be7 19.c5 bc5 20.Nc5 Bc5 21.Rc5 Bb7 22.Qc2 Bd5 23.f3 e4?? 24.Rd5!+– ed3 25.Qd3 Qe6+/– 26.Rd7 Rf7 27.Rf7 Nf7 28.Qc3 Nfe5 29.f4 Qd5?? 30.Nf3+– Re8 31.fe5 h6 32.Kh2 1–0. bratek55 (1660) – kosikow, kurnik, 2011.

4.Nf3 Nf6 5.e3 Bc5= 6.c4 Be7 7.Be2 d6 8.0–0 e5 9.Nc3 Be6 10.Qc2 0–0 11.d4 e4 12.Nd2 Bf5 13.Ba3 d5 14.Be7 Ne7 15.cd5 Nfd5 16.Nd5 Qd5 17.Bc4 Qd7 18.Qb1 a6 19.Ne4+/– b5 20.Bd3 Be4 21.Be4+– g6 22.Ba8 Ra8 23.a4! Rb8 24.ab5 Rb5 25.Qa2 a5 26.Rfb1 Nd5 27.Rb5 Qb5 28.Qa5 Qa5 29.Ra5 Nb4 30.Rb5 Nd3 31.d5 Ne5 32.d6 Kf8 33.Rb8 Kg7 34.f4 Nd7 35.Rd8 Nf6 36.g4! h5 37.g5 Nd5 38.d7 Ne3 39.Re8 (39.Re8 f6 40.Re7 Kf8 41.d8Q; 39.Rb8 Nc2 40.d8Q f6 41.Qe7) 1–0. orangutanb4 (1910) – bobec69, kurnik, 2011.

3.bc5 Qc7

4.d4 a6 5.Nf3 b6 6.cb6 Qb6 7.Bc1 +/–.

4.d4 a6 5.Nf3 Be7 6.e3 (6.e4 d6 7.cd6 Bd6+/–) 6...Nf6 7.Bd3 (7.c4 b6 8.cb6 Qb6+/–) 7...h5 (7...b6!?+/–) 8.0–0 Nc6 9.Nbd2 Ng4 (9...d6 10.cd6 Bd6 11.e4+–) 10.h3 b5 11.Ne4 (better is 11.a4 ba4 12.hg4 hg4+–) 11...Bb7? (11...Nf6 12.Nf6 Bf6 13.a4 ba4 14.Ra4+–) 12.c3 (12.d5 ed5 13.Nd6 Bd6 14.cd6 Qd6+/–) 12...0–0–0? (better is 12...Nf6+–) 13.a4 (13.hg4?! hg4 14.a4 gf3+=) 13...f5 14.Ned2 (14.Nd6 Bd6 15.cd6 Qd6 16.ab5 Nd4 17.cd4 Bf3 18.Qc1 Kb8+–) 14...Na7 (14...ba4 15.Qa4 (15.hg4?! hg4 16.Qa4 Rh7 17.Ba6 Rdh8 18.Bb7 Qb7 19.Qa8 Kc7 20.Qb7 Kb7+/–) 15...a5 16.Rfb1+– (16.hg4?! hg4 17.d5 ed5+/–)) 15.ab5 (worse is 15.hg4 hg4 16.Ne5 Rh6+–) 15...Nb5 16.Bb5 ab5 17.Qb3 Bc6 18.Ra2 g5 19.Rfa1 Qb7 20.Ra7 Qb8 21.hg4 hg4 22.Ne5 d6 23.Nc6 Qa7 24.Ra7 dc5 25.Qb5 Rd7 26.Qb8 1–0. Fournier,Frederic (1710) – guaicaipuro, Active, 2006.

4.d4 a6 5.Nf3 f6 6.e3 Ne7 7.Bd3 b5 8.0–0 Bb7 9.Nbd2 Nbc6 10.a3 Ng6 11.c3 d6 12.Qc2 Qf7 13.cd6+– Bd6 14.c4 bc4 15.Nc4 Rc8?? 16.Nd6 (16.Nd6 Ke7 17.Nf7 Kf7 18.Qc5+–) 1–0. Fournier,Frederic (1610) – Dwhako, Active, 2007.

4.d4 Nf6 5.e3 Nc6 6.Nf3 b6 7.cb6 ab6 8.Bd3 Bb7 9.Kf1 (9.a3 d5+/–) 9...h5 (9...Nb4 10.Nc3=) 10.Ke2 (10.a3 d5+=) 10...Ng4 11.h3 Nf6 12.Nbd2 (12.Nc3 Nb4+=) 12...Ba6 13.c4 Nb4 14.Qb3 Nd3 15.Qd3 Be7 (15...d5 16.Rhc1=) 16.Rhc1+= Bb7 (16...d5 17.Qb3+=) 17.Kf1 g5 18.Ng5 Qh2 19.g3 Qg2 (19...h4 20.gh4 Rh4 21.Ke2+/–) 20.Ke2 Rg8 21.Rg1 Qc6 22.h4 Ng4 0–1. Fournier,Frederic (1780) – guaicaipuro, Active, 2006.

4.d4 Nf6 5.e3 d6 6.cd6 Bd6 7.Nf3 +=.

4.d4 Nf6 5.e3 Be7 6.Nf3 0–0 7.Be2 b6 8.cb6 Qb6 9.0–0?? (better is 9.Bc1+=) 9...Qb2–+ 10.Nbd2 Qb6 (10...Nc6 11.Nc4 Qb8 12.Nfe5–+) 11.c4 Bb7 12.c5 Qc6 13.Rb1 d6 (13...Qc7 14.Qb3 Bd5 15.Bc4–+) 14.Bb5 (14.Qb3!? Bc8–+) 14...Qc7 15.c6 Bc6 16.Bc6 Qc6 17.Qb3 Nbd7 18.Nc4 Ne4 19.Qd3 d5 20.Ncd2 Nd2 21.Qd2 e5! 22.de5 Ne5?? 23.Ne5+= Qd6 24.Nf3 Bf6 25.Rfd1 Rad8 26.Qb4 Be7 27.Qd6+/– Bd6 28.Nd4 Be5? 29.Nf3 f5?? 30.Ne5+– f4 31.ef4 Rf4 32.g3 Rff8 33.Kg2 Rfe8 34.Nd3 Rd7 35.Nf4 Red8 36.Rd5! (36.Rd5 Rd5 37.Nd5 Rd5 38.Rb8 Kf7 39.Rb7 Kf6 40.Ra7+–) 1–0. Fournier,Frederic (1865) – Gregmontero, Active (1/0), 2005.

4.d4 Nf6 5.Nf3 +=.

4.e3 Qc5 5.Nf3 a6 6.c4 Qc7 7.a3 Nf6 8.h3 b6 9.d4 Bb7 10.Nc3 Nc6 11.Be2 h6 12.0–0 g5? 13.Rc1 Rg8 14.d5 Ne5? 15.Ne5+– Qe5 16.Na4 Qc7? 17.Bf6 Bd6 18.de6 de6 19.c5! Bh2 20.Kh1 Rg6 21.Bb2 b5 22.Nb6 Rd8 23.Qc2 g4 24.Bg4 h5 25.f4 hg4 26.Kh2 gh3 27.g3 Qc6 28.Rcd1 Rd1+/– 29.Rd1 Qf3 30.Rg1 Be4? 31.Qd2 Rg3?? 32.Qd7 Kf8 33.Qd8# 1–0. vihavald (1775) – joule (1610), kurnik, 2011.

4.Nf3 a6 5.e4 (5.d4 b6+/–) 5...Qc5+= 6.d4 (6.Be2 Qb4 7.Bd4 Nc6+=) 6...Qc7 (6...Qb6 7.Bc3+=) 7.e5 (7.Bd3 d5+=) 7...Nc6 8.Ng5 (8.Nbd2 d6+=) 8...b6 (8...d6 9.ed6 Bd6 10.Ne4=) 9.Qf3 (9.Bd3 Be7 10.Ne4 f5=) 9...Nh6 (9...f6 10.Ne4=) 10.Ne4 (10.Bd3 Bb7 11.Be4 Nf5=) 10...Bb7 11.Bc1?? (better is 11.c3=) 11...Nd4–+ 12.Qh5 (12.Qd3 Nc2 13.Kd2 Na1 14.Bb2 Be4 15.Qe4 Bb4 16.Ke2 Qc2 17.Qc2 Nc2 18.Kd1–+) 12...Nc2 13.Kd1 Be4 14.Bh6 gh6 15.Nd2 (15.Bd3 Bd3 16.Qf3 Na1 17.Qd3 Qe5–+) 15...Na1 16.Be2 Bg6 (16...Qc2 17.Ke1 Qc1 18.Bd1 Bd3 19.Qf7 Kf7 20.f4 Bc5 21.f5 Nc2) 17.Qf3–+ Qc2 18.Ke1 Rd8 (better is 18...Bb4 19.Kf1 Qc1 20.Bd1 Qd2–+) 19.Ne4 Be4 20.Qf6 0–1. guest201 – guest499, ICS blitz, 2000.

4.Nf3 Qc5 5.e4 +=.

3.bc5 f6

4.e4 Bc5 5.Qh5 Kf8 6.Qc5 Ne7 7.Bc4 b6 8.Qa3 d5 9.ed5 ed5 10.Qf3 Kf7 11.Bb3 Be6 12.Ne2 Nf5 13.0–0 Re8 14.Nf4 g6 15.Ne6 Ke6?? 16.Re1 Kd6 17.Re8 Qe8 18.Ba3 Kc7 19.Nc3 Ne7 20.Qf4 Kc8 21.Re1 Nbc6 22.Nd5 Ne5 23.Re5!!+– fe5 24.Qe5 Qd7 25.Ne7 Kb7 26.Bd5 Ka6 27.Bc6 Qd2 28.Qb5# 1–0. marus – chico, internet live, 2001.

4.e4 Bc5 5.Qh5 g6 6.Qc5 1–0. pierre – opporax, internet, 2010.

3.bc5 Nf6

4.Nc3 Bc5= 5.d4 (5.e3 0–0=) 5...Bb4 6.e3 Qc7 7.Qd3 d5 8.Nf3?? (better is 8.a3 Ba5 9.Rb1+=) 8...Ne4–+ 9.Qb5 Nc6 10.Qd3 0–0 (better is 10...Qa5 11.Nd2 Bc3 12.Bc3 Qc3 13.Qc3 Nc3 14.Nb1–+) 11.0–0–0?? (11.a3 Ba5 12.Nd2 Nc3 13.Bc3 Ne5 14.de5 Bc3–+) 11...Nd6 12.e4 de4 13.Ne4+= Ne7 14.Nd6 Bd6+= 15.g3 Bd7 16.Ng5 g6 17.h4 h5 18.Ne4 Bb4?? 19.Nf6 Kg7 20.d5 Kh6?? 21.Qe3 Kg7 22.Ne8 (22.Ne8 Kh7 23.Nc7+–) 1–0. hockhin (2395) – rpatru (2180), net–chess.com, 2010.

4.c4 Bc5 5.e3 0–0 6.d4 Bb6 7.Nf3 Re8 8.Qc2 h6 9.e4 e5 10.de5 Ng4 11.Be2 Bf2 12.Kf1 Be3 13.Nd4 Ne5 14.Nf5 Bg5 15.Bd3 d6 16.Nd2 Bf5 17.ef5 Qf6 18.Ne4 Qd8 19.g3 Nf3 20.Kg2 Re4 21.Be4 Ne5 22.f6 Bf6 23.Bh7 Kh8 24.Bf5 Qb6 25.Be5 Qc6 26.Be4 (time) 1–0. Nautiluschess – Newcomf, ICS blitz, 2000.

4.d4 a6 5.Nf3 b6 6.cb6 Qb6 7.Qc1 Bb4 8.Nbd2 Ne4 9.Rb1 Bb7 10.e3 Qa5 11.c3 Nd2 12.Nd2 Be7 13.Nf3 Bf3 14.gf3 Nc6 15.Bg2 Bf6 16.f4 Rc8 17.Rg1 g6 18.Qd2 Qh5 19.h3 Na5 20.Qe2 Qe2 21.Ke2 Nc4 22.Bc1 d5 23.Rb7 a5 24.Kf3 h5 25.Bf1 0–0 26.Bc4 Rc4 27.Bd2 Ra8 28.Rgb1 Kg7 29.Rb8 Rb8+= 30.Rb8 a4 31.Ra8 g5 32.Ke2 gf4 33.ef4 Bh4 34.f3 Kf6 35.Rh8+/– Kg6 36.Rg8?? Kh7 37.Rf8 Kg7 38.Rd8?? Bd8–+ 0–1. erisonpassos – szymon8008, kurnik, 2011.

4.d4 Nc6 5.Nd2 b6 6.cb6 Qb6 7.Rb1 Qa5 8.Ngf3 Qa2 9.e3 Ba6 10.Ba6 Qa6 11.Qe2 Qe2 12.Ke2 Bb4 13.c3 Be7 14.e4 0–0 15.c4 Rab8 16.e5 Ng4 17.h3 Nh6 18.g4 f6 19.d5 ed5 20.cd5 Ne5 21.Ne5 fe5 22.Be5 Rb1 23.Rb1 Bf6 24.Nc4?? Be5–+ 25.Ne5 Re8 26.f4 d6 27.g5 Nf5 28.Kf3 de5 29.Ke4 Nd6 30.Kf3 e4 31.Ke2 e3 32.Ra1 Re7 33.Ra6 Nc4 34.f5 Rd7 35.Rc6 Rd5?? 36.Rc4 Rf5 37.h4 a5 38.Ke3–/+ Re5 39.Kf4 Rb5 40.Rc8 Kf7 41.h5 Rb4 42.Kf5 Rb5 43.Kf4 a4 44.Ra8 Rb4 45.Kf5 g6 46.hg6 hg6 47.Ke5 Rb5 48.Kf4 Rf5 49.Kg4 Rc5 50.Ra4 Ke6 51.Re4 Kd5 52.Ra4 Rc4 53.Rc4 Kc4 54.Kf4 Kd5 55.Kf3 Ke5 56.Kg4 Ke4 57.Kh4 Kf4 58.Kh3 Kg5 59.Kg3 Kf5 60.Kf3 g5 61.Kg3 g4 62.Kf2 Kf4 63.Kg2 g3 64.Kg1 Kf3 65.Kh1 Kg4 66.Kg2 Kf4 67.Kg1 Kf3 68.Kh1 g2 69.Kg1 Kg3 ½–½. bratek55 (1635) – rancs84 (1720), kurnik, 2011.

4.d4 Nc6 5.e3 d5 6.cd6 Bd6 7.Nf3 0–0 8.Bd3 e5?? 9.de5+– (9.Ne5?! Be5 10.de5 Ng4+–) 9...Bb4 10.c3 Ne5 11.Ne5 Bd6 12.Nf3 Bg4 13.Be2 Ne4 14.Nbd2 Ng5 15.Ng5 Be2 16.Qe2 Qg5 17.0–0 Rae8 18.Nf3 Qf4 19.Qc2 Qh6 20.c4 1–0. Fournier,Frederic (1670) – guest21, ChessOK.com, 2012.

4.d4 Nc6 5.e3 d5 6.Nf3 Be7 7.Bd3 0–0 8.0–0 h6 9.Nbd2 Nh7 10.c4 dc4 11.Nc4 Ng5 12.Ng5 Bg5 13.f4 Bf6 14.Qg4 e5+/– 15.Qg3 ed4 16.ed4 Bd4 17.Bd4 Nd4 18.Rad1 Qd5 19.Ne5 Qc5 20.Bc4?? Ne2–+ 21.Kh1 Ng3 22.hg3 Kh8 23.Rd5 Qe3 24.Kh2 Be6 25.Rd3 Qe4 26.Be6 fe6 27.Rfd1 Rf5 28.Ng6 Kh7 29.Nh4 Rh5 30.Kh3 Rf8 31.Rd7 Rh4! 32.Kh4 Rf5 33.g4 Rf4 34.Kh3 Rg4 35.g3 h5 36.Kh2 Qf3 37.R7d3–+ Qg2 38.Kg2+– h4 39.Re1 hg3 40.Rg3 Ra4 41.Re2 b5 42.Kf1 e5 43.Rge3 b4 44.Re5 a5 45.Rb2 Kg6 46.Rb5 Kf6 47.Kf2 g5 48.Ke3 Kg6 49.Ke4 b3–/+ 50.Kd3? ba2–+ 51.Ra2 Ra2 52.Kc3 a4 53.Kb4 Rb2 54.Ka4 Rb5 55.Kb5 g4 56.Kc4 g3 57.Kd5 g2 58.Kd4 g1Q 59.Kd5 Kf5 60.Kc4 Qd1 61.Kc5 Ke4 62.Kc4 Qd4 (62...Qd4 63.Kb5 Kd5 64.Ka5 Qc5 65.Ka4 Qc2 66.Kb4 Qb2 67.Ka4 Kc4 68.Ka5 Qb5) 0–1. Fournier,Frederic (1880) – polymaarifa1 (1740), Active (5/0), 2005.

4.d4 Nc6 5.Nf3 Be7 6.e3 0–0 7.Bd3 d5 8.0–0 Qc7 9.c4 Ng4 10.h3 Nf6 11.cd5 ed5 12.Nc3 Be6 13.Nb5 Qb8 14.Qb1 a6 15.Na3 Qc8 16.Nc2 Bh3 17.gh3+– Qh3 18.Nh2?? Ng4= 19.Bh7 Kh8 20.Ng4 Qg4 21.Kh2 Qh4 22.Kg2 Qg4 23.Kh2 Qh4 24.Kg2 Qg4 25.Kh2 ½–½. orangutanb4 (1935) – tondajan (1795), kurnik, 2011.

4.d4 Qc7 5.e3 d6 6.cd6 Bd6 7.Nf3 Nc6 8.a3 b6 9.Be2 Bb7 10.Nbd2 Na5 11.0–0 Rc8 12.Rc1 Nc6 13.c4 e5? 14.c5+– bc5 15.dc5 Be7 16.Qc2 h5 17.h3 Na5? 18.Be5+– Qc5 19.Qc5 Rc5 20.Rc5 Bc5 21.Bf6 gf6 22.Ne4?? Be4–/+ 23.Bb5 Ke7–+ 24.a4 Bf3 25.gf3 Rg8 26.Kh2 Nb3 27.f4 Nd2 28.Rd1 Nf3 29.Kh1 a5 30.Rd7 Ke6–+ 31.Rd1 Bb4 32.Bc6 Nd2 33.Bb5 f5 34.Rc1 Ne4 35.Rc2 Be1 36.Bc4 Kf6 37.f3 Nd6 38.Bd3? Rg3 39.Kh2 Rf3 40.Rc6 Ke7 41.Rc7 Ke6 42.Rc6 Kd7 43.Ra6 Re3 44.Ra7 Ke6 45.Bb1 Rb3 46.Ba2+/– Kd5 47.Bb3 Ke4?? 48.Bf7 1–0. ejdrzej (1625) – pimark, kurnik, 2011.

4.Bf6 Qf6= 5.d4 (5.Nc3 Nc6=) 5...Bc5+= 6.e3 Be7 7.Nf3 (7.Qf3 Nc6=) 7...d6 (7...d5 8.Bd3+=) 8.Be2 (8.Nbd2 0–0=) 8...Nc6 9.c3 (9.Nbd2 0–0+=) 9...0–0 10.0–0 Bd7 11.Nbd2 e5 (11...Rfc8 12.Ne4 Qh6 13.c4=) 12.d5 (12.Rb1 Rfb8=) 12...Nb8 13.e4 (13.Ne4 Qh6=) 13...Bg4 (13...b6 14.Rb1=) 14.Ne1 Be2 (14...Bc8 15.Nd3=) 15.Qe2 Nd7 (15...Rc8 16.Rb1=) 16.c4 (16.Rb1 b6+=) 16...Qg6 (16...Rfc8 17.Qf3=) 17.Rb1 f5? (17...Bg5 18.Nd3=) 18.f3 (18.Rb7 Qe8 19.Nd3 fe4 20.Ne4 Rc8+–) 18...f4?? (18...Nb6 19.Nd3=) 19.Qf2?? (19.Rb7!? Qe8 20.Nd3+–) 19...Qh5 (19...Nb6 20.Nd3=) 20.Nd3 (better is 20.Rb7!? Bh4 21.Qe2+/–) 20...Bh4 21.Qe2 g5? 22.Nf2?? b6 23.Ng4 Qg6 24.Nb3 h5 25.Nf2= g4 26.fg4 Kh7? 27.gh5+– Qg5 28.Nh3 Qg7 29.Qf3 Rg8 30.Rf2?? Nf6?? 31.Rbb2?? Bf2= 32.Rf2 Ng4+= 33.Re2 Ne3 34.Nd2 Qh6 35.Re3 fe3–+ 36.Nf1 Raf8 37.Qe3?? Rf1!–+ 38.Kf1 Qe3 39.Ng5 Kh6 40.h4 Rf8 41.Nf3 Rf3 42.gf3 Qf3 43.Kg1 Kh5 44.Kh2 Kg4 45.Kg1 Qg3 46.Kf1 Qf3 47.Kg1= Kg3 (47...Kg3 48.c5 Qg2#) 0–1. Onkel_Luis – Quickdraw, ICC, 2003.

4.d4 b6

5.cb6 ab6 6.e3 (6.c4 d5 7.cd5 ed5 8.e3 Bd6 9.Nf3; 6.Nf3 Ba6 7.e3 Bf1 8.Rf1 d5 9.Qd3) 6...d5 7.Nf3 Bb4 8.c3 Bd6 9.Qb3.

5.cb6 Qb6 6.Bc1 d5 7.e3 Ba6 8.Ne2 Qc7 9.Nd2.

5.cb6 Qb6 6.Qc1 Nc6 7.e3 Bb7 8.Nd2 d5 9.Ngf3 Rc8 10.Rb1 Nb4 11.Ba3 Qa5 12.Bb4 Bb4 13.Bd3 Ne4 14.Be4 de4 15.Ne5 Ba6 16.f3 0–0 17.fe4 f5 18.ef5 Rf5 19.h3 Rcf8 20.g4 Rf1 0–1. AstrocruncH – JatFM, ICS, 2000.

5.cb6 Qb6 6.Bc3 Ne4 7.a3 Ba6 8.e3 Bf1 9.Kf1 Be7 10.Ne2 0–0 11.f3 Nc3 12.Nbc3 d5 13.Kf2 Nc6 14.Qd3 a6 15.Rhb1 Qc7 16.Na4 e5 17.c4 ed4 18.Nd4 Ne5 19.Qf5 Nc4 20.Qd5 Rad8 21.Qc6 Qc6 22.Nc6 Rd2 23.Kg3 Bd6 24.Kh3 Ne3 25.Rb2 Rb2 26.Nb2 Rc8 27.Nb4 Be5 28.N4d3 Bf6 29.Re1 Nd5 30.Nc4 g6 31.Nd6 Rc3 32.Re8 Kg7 33.Nb4 Nf4 34.Kg4 Ng2 35.Nd5 h5 36.Kh3 Rc2 37.Ra8? Be5–+ 38.Ne8 Kh6 39.Ra6 Nf4 40.Nf4 Bf4 41.Nf6 Rh2 0–1. orangutanb4 (1965) – kolegino (1895), kurnik, 2011.

5.cb6 Qb6 6.Bc3 Ne4 7.Qd3 Nc3 8.Nc3 Bb4 9.Kd1.

5.Nc3 bc5= 6.e3 Nc6 7.Nf3 (7.Rb1 cd4 8.ed4 Rb8+=) 7...Rb8+= 8.Bb5 (8.Rb1!?+=) 8...cd4 9.ed4 Qa5 10.0–0 Rb5 11.Nb5 Qb5 12.Rb1 Ba6 13.Re1 Qd5 14.Ne5 Be7 15.c4 (15.Nc6 Qc6 16.d5 Nd5 17.Bg7–+) 15...Bc4 16.Nc4 Qc4 17.Rc1 (17.a3 0–0–+) 17...Qa2 18.d5 (18.Re2 Qd5–+) 18...Qd5 (18...Qb2?! 19.dc6 Qb8 20.c7–+) 19.Qd5 Nd5 20.Bg7 Rg8 21.Be5 a5 22.g3 a4 23.Rc4 a3 24.Ra4 f5 25.f4 Ne5 26.Re5 Bd6 27.Re1 Ke7 28.Kf2 (28.Kh1 Rb8 29.Ra1 Ne3–+) 28...Rb8 29.Ra5 (29.Kg2 Rb2 30.Kh3 Nf6–+) 29...Rb2 30.Kf3 Bb4 (30...Bb4 31.Rd5 Be1–+) 0–1. hockhin (2395) – pierred (2765), net–chess.com, 2010.

5.Nc3 bc5= 6.Nf3 Bb7 7.e3 Bd6 8.Nb5+= Qa5 9.Bc3 Qb6 10.Rb1 0–0? 11.Nd6+– Qd6? 12.Rb7 Ne4 13.Qd3 Qc6 14.Rb3 a5? 15.Ne5 Qd5 16.Bb2 f6 17.c4 Qd6 18.Qe4 Na6 19.Bd3 fe5 20.Qh7 Kf7 21.Bg6 Kf6 22.de5 Qe5 23.Be5 Ke5 24.Qg7 Kd6 25.Rd3 Kc7 26.Qd7 Kb8 27.Rd6 (27.Rd6 Ra7 28.Rb6 Ka8 29.Be4 Rb7 30.Qb7#) 1–0. pierre – oppohel, internet, 2010.

4.d4 d5

5.c4 dc4 6.Nf3 b5= 7.Nc3 Bb7 8.Nb5+/– Nd5 9.Qa4+– Bc6 10.Ne5 a6? 11.Nc6 Nc6 12.Nd6! Bd6 13.Qc6 Kf8 14.Qd6 Qd6 15.cd6 Ke8 16.e4 Nf4 17.Bc4 Kd7 18.Kf1 Kd6 19.g3 Ng6 20.Ba3 Kd7 21.Rb1 Rhb8 22.Ke2 Ne7 23.Bc5 Nc6 24.Rhd1 Na5 25.Rb8 Rb8 26.Ba6 Rb2 27.Rd2 Rd2 28.Kd2 f6 29.d5 ed5 30.ed5 Kc7 31.Bf8 g6 32.Be7 f5 33.a4 Nb3 34.Kc3 Nc1 35.Kb2 Nd3 36.Bd3 (36.Bd3 Kd7 37.Bb4+–) 1–0. pierred – omprakash231, Yahoo, 2005.

5.Nd2 b6 6.cb6 Qb6 7.Qc1 Na6 8.c4 Rb8 9.Bc3.

5.e3 (--> 1.b4 d5 2.Bb2 e6 3.e3 c5 4.bc5 Nf6 5.d4).

5.Nf3 b6 6.cb6 Qb6 7.Bc1 Nc6 8.e3 Ba6 9.Bd3.

4.d4 d6

5.cd6 Bd6 6.Nd2 0–0 (6...Qb6 7.Qb1+= Qa5 8.c3 0–0 9.e4; 6...Nc6 7.e4 Bb4 8.c3 Be7 9.Bd3) 7.e4+/– Bb4 8.c3 (8.Bd3 e5 9.de5) 8...Ba5 (8...Be7 9.Bd3) 9.Ngf3 (9.Bd3+/–) 9...Nc6 10.Bd3 e5 (10...Nh5 11.0–0+/–) 11.d5+– (worse is 11.Ne5 Ne5 12.de5 Ng4+=) 11...Nh5 (11...Re8 12.0–0+–) 12.Nc4 Nf4 13.Bf1 (13.dc6 Nd3 14.Ke2 Nf4 15.Kf1 Be6 16.Nce5 Qb6=; worse is 13.Na5 Na5 14.0–0 f5+/–) 13...Nd4 (13...Nb8+–) 14.Nfd2 (14.Nd4?! ed4 15.Qd4 Re8+–) 14...Nb5 (14...Nf5 15.g3 Nd5 16.Na5+– (worse is 16.ef5 Bc3 17.Bc3 Nc3+–; worse is 16.ed5 Qd5 17.Qf3 Be6+–)) 15.Qa4 (15.Ne5?! Nc3 16.Qc2 Ncd5 17.ed5 f6+–; 15.Na5?! Qa5 16.Qb3 a6+–) 15...Bc3 16.Qb5 Bd7 (16...Bd2 17.Nd2 a6 18.Qb3+–) 17.Qb3 (17.Qb7?! Rb8 18.Qa7 Bb2+–) 17...Ba5 (17...Bd2 18.Nd2 Re8 19.Nc4+– (19.Qb7?! Rb8 20.Qa7 Rb2+–)) 18.Qb7 (18.Na5 Qa5 19.Be5 Ng6+–) 18...Rb8 (18...Bd2 19.Kd2 f6 20.Ba3+–) 19.Qa7 Bd2 20.Kd2 Qg5 (20...Ng6+–) 21.Qd7 Nd5 22.Ke1 Nf6 (22...Rfd8 23.Qf5 (23.ed5?! Rd7 24.Rd1 Qg6+/–) 23...Qf5 24.ef5+– (24.ed5 Qe4 25.Be2 Rb2 26.Nb2 Qb4 27.Kf1 Qb2–+)) 23.Qd3 (23.Qf5 Qf5 24.ef5 Nd7+–) 23...Rfd8 24.Qe2 (24.Qg3 Qg3 25.hg3 Ne4 26.Be5 Rb7+–) 24...Ne4 (24...Nd7 25.a4+–) 25.Qe4 (25.Be5!? Qg6 26.Bb8 Rb8+–) 25...Rb2 26.f4 ef4 27.Nb2 Qa5 28.Kf2 Qb6 29.Kf3 Qb2 30.Bd3 g6 31.a4 Kf8 32.Rhe1 Kg8 33.a5 h5 34.a6 Qb8 35.a7 Qc8 36.a8Q Qg4 37.Kf2 Qh4 38.Kf1 (38.Kf1 Kh7 39.Ra7 Qg5 40.Qd8 Qf6 41.Qf6 Kg8 42.Qf7 Kh8 43.Qee8#) 1–0. Bonetti,Shane – dltorre (2130), ICC, 2002.

5.cd6 Bd6 6.e3 0–0 7.c4 Nc6 8.Nf3 Re8 9.Be2 e5 10.d5 Na5 11.0–0 e4 12.Nfd2 Qc7 13.h3 Nd7 14.Nc3 a6 15.Nce4 Be5 16.Nc3 Nf6 17.Qc2 Bd7 18.e4 Qc8 19.f4 Bd4 20.Kh2 b5 21.e5 Nc4 22.Nc4 bc4 23.ef6 Bf6 24.Bf3 Bf5 25.Qd2 Rb8 26.Rfe1 Qc7 27.Re8 Re8 28.Nd1 Bb2 29.Nb2 c3 30.Qc1?? cb2–/+ 31.Qb2 Qf4 32.Kh1 Qg3 33.Rf1 h6 34.Qf2 Qd6 35.Rd1 Re5 36.Qd4 Bd7 37.Rc1 Bb5 38.Qc5?? Qg6 39.Qd4 Qg5 40.a4?? Bd7 41.d6?? g6 42.Rc7 Bh3 43.d7?? Bg2?? 44.Bg2 Re1 45.Kh2 Qh5 46.Kg3 Qg5 47.Kf2 Re5 48.d8Q Qd8 49.Qd8 Kg7 50.Qd4 g5 51.Qe5 Kg6 52.Rc6 f6 53.Qf6 Kh5 54.Qh6 Kg4 55.Bf3 Kf4 56.Qh2 Kf5 (56...Kf5 57.Qh7 Kf4 58.Qe4) 1–0. carocan (1680) – heatseeker96 (1795), kurnik, 2011.

5.cd6 Bd6 6.e3 Nc6 7.c4 b6 8.Ba3 e5 9.Bd6.

5.cd6 Bd6 6.e3 Nbd7 7.Nf3 0–0 8.Bd3 Qb6 9.Qc1 Qc6 10.0–0 b6 11.Nbd2 Bb7 12.a4 Qc7 13.Ba3 Ba3 14.Qa3 Nd5 15.c4 Ne7?? (better is 15...N5f6+/–) 16.Qe7+– Rfe8 17.Qh4 (17.Qh4 h6 18.a5+–) 1–0. Kukel,Imre (1985) – Voros,Csaba, SVK–chT2B, 2008.

5.cd6 Bd6 6.Nf3 0–0 7.c4 b6 8.e3 Nc6 9.Be2.

5.cd6 Bd6 6.Nf3 0–0 7.Nbd2 b6 8.e4 Bb7? 9.e5+– 1–0. bratek55 (1670) – prawiegram7 (1645), kurnik, 2011.

2.Bb2 c6

3.a3 Qa5 4.ba5 Nf6 5.e3 a6 (5...Be7 6.Qf3+–) 6.d4 b6 (6...d5 7.Nf3+–) 7.c4 (7.ab6 d6+–) 7...Be7 (7...b5 8.Qc2+–) 8.ab6 d6 9.g3 (better is 9.Qf3+–) 9...Ra7 (9...Nbd7+–) 10.ba7 0–0 11.ab8Q d5 12.Qc8 (better is 12.Nf3 Bd7 13.Qa7 Rd8+–) 12...Ne4 13.Qf8 (better is 13.Qc6 Rb8 14.Qc2 Nf6+–) 13...Kf8 14.Bg2 (14.Qa4 Kg8+–) 14...Ke8 15.Qb3 (15.Qa4 Kf8 16.Be4 de4 17.Qa6 Bd8+–) 15...f6 16.Be4 (better is 16.Qb7 Nd6 17.Qc6 Kf7 18.cd5 g6 19.de6 Kf8+–) 16...e5 17.Qb8 Bd8 18.cd5 f5 19.de5 g6 20.e6 fe4 (20...Ke7 21.Qa7 Bc7 22.Qc7 Ke8 23.Qd7 Kf8 24.Qd8) 21.d6 (21.Bf6 cd5 22.Qd8) 21...Kf8 (21...g5 22.Bf6 g4 23.Qd8) 22.Qd8 1–0. Slavisa2 – book2, caissa.com, 2004.

3.a3 Na6 4.e4 Nc7 5.Nf3 Nb5 (5...d5 6.ed5 Nd5 7.Nc3=) 6.Be2 e5 (6...d6!?+/–) 7.Bb5+– cb5 8.Ne5 f6?? (better is 8...Nf6+–) 9.Qh5 g6 10.Ng6! (10.Ng6 hg6 11.Qh8+–) 1–0. Wall,Bill – Mocha, internet, 2003.

3.a3 Ne7 4.d3 d5 5.Nf3 b6 6.Nbd2 f6 7.c4 c5 8.g3 Nbc6 9.b5 Na5 10.Bg2 dc4 11.dc4 Bd7 12.Nh4 g5 13.Bf6 Qc7 14.Ba8 Rg8 15.Nhf3 Rg6 16.Bg5 Qb8 17.Be4 h6 18.Be7 Be7 19.Bg6 Kd8 20.0–0 Kc7 21.Ne5 Be8 22.Be8 Qe8 23.Ne4 Nc6 24.bc6 h5 25.Qd7 Qd7 26.cd7 Bd8 27.Kg2 a5 28.Rab1 a4 29.Nf7 Kd7 30.Rfd1 Ke8 31.Nd8 e5 32.Nf6 Ke7 33.Rb6 Kf8 34.Rb7 1–0. pcmvr – nimzou (1815), net–chess.com, 2014.

3.a3 Qf6 4.Bf6 gf6 5.e4 d5 6.ed5 cd5 7.Nf3 Nh6 8.d4 e5 9.de5 fe5 10.Ne5 Bg4 11.Ng4 Nf5 12.Qd5 Ne7 13.Qb7 Nd7 14.Qa8 Nc8 15.Qc8 Ke7 16.Qc3 Nb6 17.Qh8 Nc4 18.Bc4 h6 19.Nh6 f6 20.0–0 (20.0–0 Kd7 21.Qf8 a5 22.Rd1 Kc6 23.Qf6 Kc7 24.Qe7 Kb8 25.Rd8#) 1–0. pauloroberto – Roseeis, internet, 2006.

3.a3 Nh6 4.Nf3 Qb6 5.e3 Nf5 6.e4 Nh6 7.Bd4 c5 (7...Qd8!?+=) 8.bc5+/– Bc5 (better is 8...Qd8!?+/–) 9.Bg7+– Ng4 10.d4 (10.Bh8?! Nf2 11.Qc1 Nh1+–) 10...Qa5 11.Qd2 Qd2 12.Nbd2 Rg8 13.h3 (13.dc5 Rg7 14.Nc4 d5 15.cd6 b6+–) 13...Rg7 (13...Be7 14.hg4 Rg7+–) 14.dc5 Nf6 15.e5 Nd5 16.Ne4 b6 17.c4 Ne7 18.Nd6 Kd8 19.Ng5! bc5 (19...Rg5 20.Nf7) 20.Ngf7 Kc7 (20...Rf7 21.Nf7 Kc7+–) 21.Ne8 Kc6 (21...Kb6 22.Ng7 Nbc6 23.Ne8+–) 22.Ng7 Ba6 (22...Kb6 23.Bd3 Ba6 24.Ne8+–) 23.Ne8 Ng6 (23...d6 24.ed6 Nd7 25.Nc7+–) 24.Nd8 Kb6 25.Rb1 Ka5 26.Nc7 Ne5 27.Na8 Nbc6 28.Nc6 Nc6 29.Nc7 Ne5 30.f4 Nc4 31.Na6 (31...Na3 32.Rb3+–) 1–0. kamret (2275) – d101 (1655), GameColony.com, 2003.

3.a4 Bb4?? 4.h4 Be7?? 5.Bg7+/– Bf6 6.Bh8 Bh8 7.Ra3 Qa5 8.e3 Bb2 9.Rb3 Be5 10.Nc3 d5 11.Bd3 Nf6 12.Qf3 Nbd7 13.Nge2 Nc5 14.Rb2 Na4 15.Na4 Qa4 16.Nc3?? Bc3–+ 17.dc3 Qa1 18.Kd2 Qb2 19.Qf6= Qa3 20.Bh7 Qf8 21.Rh3 Bd7?? 22.Rg3+– Bc8 23.Rg8 Qg8 24.Bg8 Kf8 25.Qf7 1–0. xtom – krawcuandy, kurnik, 2011.

3.a4 Qb6 4.c3= a5 5.Qc2 (5.b5 d5=) 5...d5+= 6.e3 (6.ba5 Ra5 7.e3 e5+=) 6...ab4–/+ 7.cb4 Nf6 (7...Qb4 8.Nf3–/+) 8.a5 (8.b5 Be7+=) 8...Qd8 (8...Qb4 9.Bc3 Qe4 10.d3–/+) 9.a6 (9.Bc3!?+=) 9...ba6–/+ 10.b5 Qb6 11.Nc3 Bb7 (11...e5 12.Nf3 e4 13.Nd4–/+) 12.Na4 Qd8 13.bc6 (13.b6 Bd6–/+) 13...Bc6 (13...Nc6 14.Nc5 Bc5 15.Qc5–/+) 14.Nc5 Bc5 15.Qc5 Qe7 16.Ba3 (16.Qa5!?+=) 16...Qc5–/+ 17.Bc5 Kd7 (17...a5 18.d4–/+) 18.Nf3+= Rc8 19.Bd4 (19.Ne5 Ke8+=) 19...Ke8 (19...Ke7 20.Bc5 Ke8 21.d4–/+) 20.Bd3 Nbd7 (20...h6 21.Ra5–/+) 21.0–0 (better is 21.Ra6!? Ra6 22.Ba6=) 21...Bb5 22.Bb5 ab5 23.Ra8 Ra8 24.Rb1 Rb8 (24...Rc8–/+) 25.Bf6–+ gf6 (25...Nf6 26.Nd4 Ra8 27.Nb5 Ra2+=) 26.Nd4= b4 27.Nc6 Ra8 (27...Rb6 28.Nb4 Ne5 29.Rb2–/+) 28.Nb4= Rb8 (28...Ne5 29.d3=) 29.Rb2 (29.d4 e5=) 29...Nc5 (29...Ne5 30.d4 Nc4=) 30.Nd3 (better is 30.d4 Ne4 31.f3=) 30...Ra8 31.Ne1 Ra1 32.Kf1 Nd3 33.Rb8 Ke7 34.Ke2 Ne1 35.Rb7 Kf8 36.Rb8 Kg7 37.g3 f5 38.f4 Rc1 39.Rb2 h5 40.h4 Nc2 41.d3 Na1 42.Kd2 Rg1 43.Kc3 Rg3 44.Re2? Rh3 45.Kb2 d4 46.Ka1 Re3 47.Rd2 Rh3 48.Kb2 Rh4 49.Rf2 f6 50.Kc2 Kg6 51.Rd2 e5 (51...e5 52.fe5 fe5–+) 0–1. Zylla,Johannes – Donner, BSF–VM B–Turnier, 1994.

3.c4 a5 4.b5 a4 5.a3 cb5 6.cb5 d5 7.Nc3 Nf6 8.Na4 Qa5 9.Nc3 Bd7 10.e3 Ne4 11.a4 Bb4 12.Qc2 Nc3 13.dc3 Bd6 14.Nf3 0–0 15.Be2 Rc8 16.0–0 Qd8 17.Qd3 f6 18.e4 Qe8? 19.ed5+– e5 20.Qc2 Bg4 21.Qb3?? Nd7? 22.c4 Nc5 23.Qa2?? Kh8?? 24.h3 Bf3 25.Bf3 e4? 26.Be2 Be5 27.Rac1?? Nd3?? 28.Bd3+– Bb2? 29.Qb2 ed3 30.Rfe1 Qg6 31.Qd2 Ra4 32.Re3 Rac4 33.Rd3?? Rc1–+ 34.Kh2 R1c2 35.Qe3 h6 36.Qg3 Qf7 37.d6 Qc4 38.d7 Rd8 39.Qe3 (39.Qe3 Qb5 40.Qe7–+; 39.b6 Qb5–+). ZZMeB4 (1705) – 0303, caissa.com, 2007.

3.c4 a6 4.Qb3 a5 5.b5 a4 6.Qc2 c5 7.Nf3 h6 8.e4+= Qc7 9.Be2 Ne7 10.0–0 Ng6 11.g3 e5 12.Nc3+/– d6 13.Nd5 Qd8 14.b6 Na6 15.Qa4 Bd7 16.Qb3 h5 17.Bc3 h4 18.Ba5 hg3 19.fg3 Bh3 20.Rf2 Bg4 21.Nd4!+– Be2 22.Nc7 Nc7 23.bc7 Qc8 24.Qb5 Ke7 25.Ne2 Rh7? 26.Nc3 Ra5 27.Nd5 Ke6 28.Qa5 Ne7 29.Raf1 f6 30.Rf6! gf6 31.Rf6 Kd7 32.Nb6 Kc7 33.Nc8 Kc8 34.Rf8 Kd7 35.Rd8 Ke6 36.Qc7 b5 37.Rd7 b4 38.Qd6 Kf7 39.Re7 Kg8 40.Qd8# 1–0. pierre – rolmont, internet, 2010.

3.c4 Bb4?? 4.Bg7 Qg5 5.Bh8 f6 6.Nf3 Qg6 7.Qb3 a5 8.a3 Bc5 9.d4 Bd6 10.Nbd2 a4 (10...a4 11.Qe3 Be7+–) 1–0. b4_player (2175) – doc_moe, GameColony.com, 2004.

3.c4 b5 4.c5 a5 5.Qb3 ab4 6.Qb4 Ra4 7.Qb3 Bc5 8.Bg7 Rc4?? 9.Nc3 Bd4 10.Bh8 Bh8 11.Nf3 Bc3 12.dc3 Qf6 13.Rc1 Na6 14.e3 Rc5 15.Be2 Ne7 16.0–0 Rh5 17.c4 Nf5 18.cb5 Nb8 19.b6 Nd6 20.a4 Nb7 21.Ra1 Na5 22.Qc2 Ba6 23.Ba6 Na6 24.Rfd1 Rd5 25.Rab1 Nb7 26.Rd5 ed5 27.Qh7 Qd6 28.Nd4 Qa3 29.Qh8 Ke7 30.Nf5 Ke6 31.g4 Qa4 32.Qe8 Kf6 33.Qe7 Kg6 34.f4 Qc2 35.Qg5 (35.Qg5 Kh7 36.Qg7#) 1–0. colinwebb – coolerdude, ChessWorld.net, 2004.

3.c4 Qb6 4.a3 Qa6 5.e3 c5 6.b5 Qd6 7.Nf3 f6 8.Qc2 b6? 9.Qe4+– (9.Qe4 Nc6 10.bc6 Qc6 11.Qc2+–) 1–0. Fournier,Frederic – Chenz, Active, 2011.

3.c4 Qh4 4.e3 Nh6 5.Nf3 Qd8 6.Qc2 f6 7.a3 g6 8.Bd3 Bg7 9.Nc3 0–0 10.0–0 f5 11.Ne2 Qe7 12.Bg7 Qg7 13.Ned4?? e5=+ 14.Nb3 d6 15.Be2+= Be6 16.d4 e4 17.Nfd2 Nd7 18.c5 d5 19.b5 Nf6 20.bc6 bc6 21.Na5 Rfc8 22.Qa4+– Bd7 23.Ba6 Rc7 24.Rab1 Be8 25.Rb7 Qe7 26.Rfb1 Nf7 27.Rc7 Qc7 28.Rb7 Qd8 29.Nc6 Bc6 30.Qc6 Rc8 31.Qe6 Rc7 32.Rc7 Qc7 33.Qf6 Nd8 34.h4 Nf7 35.h5! Kf8 36.hg6 hg6 37.Qg6 Nh8 38.Qf5 Qf7 39.Qf7 Nf7 40.c6 Nd6 41.c7 Ke7 42.c8N Nc8 43.Bc8 Kd8 44.Bb7 Kd7 45.Bd5 Kd6 46.Be4 1–0. orangutanb4 (1960) – unejam (1675), kurnik, 2011.

3.e3 a5 4.a3 ab4 5.ab4 Ra1 6.Ba1 Bb4?? 7.Bg7+– Nf6 8.Bh8 Ke7 9.Qf3 Qh8 10.Nh3 d5 11.Bd3 Nbd7 12.0–0 Ne5 13.Qe2 Qg7 14.c3 Bd6 15.f4 Neg4 16.Nf2 Nf2 17.Qf2 Ng4 18.Qg3 e5 19.h3 ef4 20.ef4?? Qh6?? 21.hg4 Kf8 22.Bf5 Bf5 23.gf5 Qf6 24.Qg5 Qh8 25.d4 Be7 26.Qg4 c5 27.Qd1 cd4 28.cd4 Kg7 29.Nc3 h5 30.Nd5 Bd8 31.Qa1 f6 32.Re1 Qf8 33.Qa7 Qd6 34.Qb7 Kf8 35.Qa8 Kf7 36.Re6 Qd7 37.Qc6 Qc6 38.Rc6 h4 39.Rc8 Ke8 40.Nf6 Ke7 41.Nd5 Kd7 42.Rd8! Kd8 43.f6 Ke8 44.Kh2 Kf7 45.Kh3 Ke6 46.Kh4 Kf7 47.f5 Kf8 48.g4 Kf7 49.g5 Kf8 50.g6 Kg8 51.f7 Kf8 52.Nf6 Kg7 53.Nh5 Kf8+– 54.Kg5 Ke7 55.f6 Kf8 56.g7 Kf7 57.d5 Kg8 58.d6 Kf7 59.d7 Kg8 60.d8Q Kf7 61.Qe7 Kg8 62.Qf8 Kh7 63.Qh8 1–0. elsh1403 – takise1xxx, kurnik, 2011.

3.e3 a6 4.a4 Qc7 5.c4 Nf6 6.b5 b6 7.Nf3 Bb7 8.Be2 d6 9.0–0 Nbd7 10.d4 h6 11.Nbd2 e5 12.Qb3 g5 13.Rfc1 Nh7 14.Rc2 g4 15.Ne1 h5 16.Ba3 h4 17.Rac1 g3+= 18.h3 gf2 19.Kf2 c5 20.d5 Ndf6 21.Bf3 Ng5 22.Qd3 Rg8 23.Ne4 Nfe4 24.Be4 Qe7 25.Nf3? Qf6 26.Rf1? Qh6?? 27.Ng5= Qg5 28.Bf3 Qg3 29.Ke2 Bg7 30.e4 Bc8 31.Bc1 Rh8 32.Be3 a5 33.Bf2 Qf4 34.Qe3 Qf6 35.Kd3 Bh6 36.Qe2 Bf4 37.Bg4 Bg4 38.Qg4 Qh6 39.Re2 Rg8?? 40.Qf3 Bg3 41.Re3 0–0–0 42.Qe2?? Bf2 43.Rf2= Rg3 44.Rg3+= hg3 45.Rf5 Qc1= 46.Qc2 Qa3 47.Ke2+/– Rf8 48.Rf3 Qa1 49.Rg3 Qd4 50.Rf3 Rg8 51.Kf1 Qa1 52.Kf2 Qd4 0–1. carocan (1845) – joule, kurnik, 2011.

3.e3 Bb4?? 4.Bg7+– Qc7 (4...d5 5.Bh8 Nf6 6.Nf3+–) 5.Bh8 f6 (5...Be7+–) 6.Qg4 Ne7 7.Qb4 (7...f5 8.Qh4+–) 1–0. Wall,Bill – Chezzter, Internet, 2003.

3.e3 g6?? 4.Nf3 Bg7?? 5.Bg7+– Nf6 6.Bh8 1–0. elsh1403 – hiagoficher, kurnik, 2011.

3.e3 Qh4 4.a3+= Nf6 5.Nf3 Qe4 6.Nc3 Qf5 7.d4 a5 8.b5 c5? 9.Na4+– cd4? 10.Nd4 Qe5 11.Nb6 Ra7 12.Nc8 Ra8 13.Nb6 Ra7 14.Bd3 Bc5 15.Na4 0–0 16.Nc6 Qg5 17.Na7 Ba7 18.b6 +–. marus – lugii, internet live, 2001.

3.e4 b6 4.Nf3 Nf6 5.e5 Nd5 6.a3 Be7 7.c4 Nc7 8.d4 0–0 9.Bd3 d5 10.ed6 Bd6 11.0–0 f5 12.Re1 c5 13.dc5 bc5 14.bc5 Bc5 15.Nc3 Bb7 16.Na4 Bb6 17.Be5 Nc6 18.Bc7 Qc7 19.Re6 Nd4 20.Nb6 Ne6 21.Na8 Ba8 22.Rc1 Nf4 23.Bf1 Bf3 24.Qf3+– Ne6 25.Qd5 Qf7 26.c5 Nc7 27.Qb7 Nd5?? 28.c6 Qb7 29.cb7 Nb6 30.Bc4 Kh8 31.Be6 (31...Rb8 32.Rc8 Nc8 33.bc8Q (33.Bc8?! Kg8=) 33...Rc8 34.Bc8+–) 1–0. Dlugolecki,Grzegorz – Leyun,Fernando, Eclipse Email, 2000.

3.e4 Qb6 4.a3 Nf6 (4...a5 5.Nf3=) 5.e5+= Ng4?? (better is 5...Nd5+=) 6.h3?? (better is 6.Qg4 c5 7.b5+–) 6...Qf2# 0–1. b4_player – sandip6, GameColony.com, 2002.

3.e4 d6 4.h3 Nf6=+ 5.Nc3 b5 6.Nf3 Bb7 7.a4 a6 8.Bd3 Nbd7 9.0–0 Be7 10.Qe2 0–0 11.e5 de5=+ 12.Ne5 Ne5 13.Qe5 Bd6 14.Qe2 Re8 15.Ne4=+ Ne4 16.Be4 f5=+ 17.Bf3 Bc7 18.d4 Qd6 19.g3 Qb4=+ 20.Rfb1 Qe7 21.Bc1 Rab8 22.Ba3 Bd6 23.Rb3 Ba3 24.Raa3=+ e5 25.Re3? e4–+ 26.Bg2 c5 27.c3 c4 28.Ra2 Bd5 29.f3 Qb7 30.Rb2 Kf7 31.h4 ef3–+ 32.Bf3 Re3 33.Qe3?? Bf3 34.Rf2 Bg4 35.a5 Re8 36.Qd2 Qc7 37.Qa2 Qg3 38.Kf1 Bh3 39.Rg2 Qd3 40.Kg1–+ Qe3 41.Rf2 Qg3 42.Rg2 Re1# 0–1. gordiemac – urko, ChessWorld.net, 2009.

3.e4 f6 4.Nf3 Bb4=+ 5.c3 Be7 6.d4 g5 7.Bc4 h5 8.0–0 g4 9.Nh4 f5 10.Ng6 Rh6 11.Ne7 Qe7 12.ef5 h4? 13.fe6 de6? 14.Qg4+– Rh8 15.Nd2 Nf6 16.Qg6 Kd8?? 17.Rfe1 Rg8 18.Qd3 Qg7 19.g3 hg3 20.fg3 Qh8 21.Ne4 Ng4 22.h4 Qh6 23.Bc1 Qg7 24.Bg5 Kc7 25.Bf4 Kb6 26.Rab1 Ka5+– 27.Nd2 b5 28.Nb3 Kb6 29.Be6 Be6 30.Re6 Kb7 31.d5 Rc8 32.dc6 Nc6 33.Nc5 (33.Nc5 Kb6 34.Qb5#; 33.Qb5#) 1–0. philstar99 – Eries, ChessWorld.net, 2009.

3.e4 Qg5 4.Nf3 Qf4 5.Nc3 d5 6.d3 Bb4–/+ 7.Be2 Nf6 8.e5 Ng4 9.d4=+ 0–0 10.0–0 a6?? 11.Na4 Nd7 12.c4?? dc4 13.Nc5? c3 14.Bc1=+ Qf5 15.Nh4 Qh5 16.Bg4 Qh4 17.Be3? Nc5 18.dc5 Qe7 19.Qd6–/+ Qd7 20.Rfd1 Rd8–/+ 21.Rab1?? Ba5 22.Rb3?? Qd6 23.cd6= b5 24.Bg5 Rd7 25.Bf3 Bb7 26.Be7 b4 27.a3 c5 28.Bb7 Rb7 29.ab4 cb4 30.Kf1 Bd8 31.Bd8 Rd8 32.Rc1 Rb5 33.f4 f6 34.Ke2 fe5 35.fe5 Re5 36.Kf3 a5 37.Kf4 Rf5 38.Ke4 Rd6 39.h3 Rd2 40.g4 Rfd5 41.Rbb1 Rh2 0–1. kehrsam – jammboy, ChessWorld.net, 2009.

3.Nf3 b5 4.a4 Bb7 5.e3 c5 6.bc5 Bc5 7.Bg7 1–0. Wall,Bill – WQRJ, FICS, 2011.

3.Nf3 Qb6 4.a3 a5 5.c3 ab4 6.cb4 f6 7.d4 Ne7 8.e3 Nf5 9.Nbd2 Be7 10.Bd3 0–0 11.0–0 Nd6 12.Qc2 g6 13.Nc4 Nc4+= 14.Bc4 Qc7 15.h3 d6 16.e4 d5 17.ed5 ed5? 18.Bd5!+/– Kg7 19.Be4 Qf4 20.Bc1 Qd6 21.Qd2 f5 22.Bc2 Bd8 23.Qh6+– Kf6?? 24.Bb2 Kf7 25.Rfe1 Rh8 26.Bb3 Be6 27.Be6 Kf6 28.d5 Ke7 29.Qg7 Ke8 30.Qf7 1–0. Fournier,Frederic (1605) – Drmojamed, Active, 2007.

3.Nf3 Ne7 4.e3 d6 5.a3 e5 6.d3 f6 7.c4 Nd7 8.Be2 d5 9.cd5 cd5 10.Nbd2 Nf5 11.0–0 Ne7 12.e4 d4 13.Nb3 Ng6 14.g3 Bd6 15.Rc1 b6 16.Nfd2 Bb7 17.Nc4 Be7 18.Bh5 Bf8? 19.Qg4 Qe7 20.Bg6 hg6 21.Qg6 Qf7 22.Qf7 Kf7 23.f4 g6?? 24.fe5+– Ne5 25.Ne5 Kg7 26.Nd7 Be7 27.Bd4 Bc6 28.Nf6 Bf6 29.Bf6 Kf7 30.Bh8 Ke6 31.Bf6 Rf8 32.e5 Ba4 33.Nd4 Kd5 34.Nf3 Bb5 35.Rfd1 g5 36.Ng5 Kd4 37.Ne6 Ke3 38.Nf8 Bd3 39.Rd3! Kd3 40.e6 (40.e6 Ke4 41.e7 Kf5 42.e8Q Kf6 43.Rf1 Kg7 44.Qf7 Kh6 45.Qg6) 1–0. Fournier,Frederic – Cervantes, Active, 2008.

3.a3 d5

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

4.e3 b6 5.Nf3 Nf6 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 b6).

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

3.a3 d6

4.e3 Nd7 5.Nf3 Nb6 6.c4 Nf6 7.Be2 Be7 8.d3 Bd7 9.Nbd2 Qc7 10.0–0 0–0–0 11.Qc2 Kb8 12.Rfe1 Ka8 13.d4 Rhe8 14.Bd3 g6 15.e4 Qc8? (15...c5 16.e5 Ba4 17.Qb1 de5 18.dc5+/– (18.bc5?! Nbd7+=)) 16.e5?? (better is 16.c5 Nbd5 17.ed5 Nd5 18.Ne4 dc5 19.Ne5+–) 16...de5+/– 17.de5 Ng8 18.Rad1 Rf8 19.Be4 f6 20.ef6 Bf6 21.Bf6 Nf6 22.Nb3 Ne4 23.Re4 e5 24.Ree1 h5? 25.c5 Nd5 26.h3 Bf5 27.Qc1 Rfe8 28.Rd2 Rd7 29.Red1 Rde7 30.Na1 e4 31.Nd4 e3 32.fe3 Ne3 33.Kh1?? Nd1–+ 34.Qd1 Be4 35.Nac2 Bc2 36.Nc2 Re1?? 37.Ne1+– Qe6 38.Nf3 Qg8 39.Re2 Re2 40.Qe2 a6 41.Qe1 Ka7 42.Qg1 g5 43.Qe1 g4 44.Ng1 gh3 45.Nh3 h4 46.Qg1 Qg3 47.Qh2 Qe1? 48.Qg1 Qg3 49.Qh2 Qa3?? 50.Qg1?? Qb4+= 51.Qc1 a5 52.Ng1 a4 53.Nf3 a3 54.Nd2? Qb2?? 55.Qb2= ab2 56.Kh2 Ka6 57.Kh3 Ka5? 58.Nb1?? Ka4 59.g3?? hg3–+ 60.Kg3 (60.Kg3 Kb5 61.Kf4 Kc5 62.Ke3–+). Fournier,Frederic (1970) – burdeos (2035), Active Blind, 2007.

4.e3 Nd7 5.Nf3 Nb6 6.d4 Nf6 7.c4 g6 8.Bd3 Bg7 9.Nbd2 0–0 10.0–0 d5 11.cd5 Nbd5 12.Ne5 Re8 13.Rc1 Re7 14.f4?? (14.Qf3 Nd7 15.Nec4 Qc7+/–) 14...Qf8?? (14...Ne3 15.Qf3 Nf1 16.Nf1–+) 15.Ndf3?? (15.Qf3 Rc7+/–) 15...Nd7?? (15...Ne3 16.Qe2 Nf1 17.Rf1–+) 16.Qc2?? Ne5 17.fe5–/+ Bd7?? 18.Nd2?? Rd8?? 19.Nb3?? b5?? 20.Nd2?? a6?? 21.Nb3?? h5?? 22.Nc5?? Qe8?? 23.Nd7 Red7 24.Qf2 Qf8? 25.Rc2 Bh6 26.Rfc1?? Qe8 27.Qe2?? Ne7?? 28.h3?? Nd5= 29.Qf2?? Ne3 30.Qe3?? Be3–+ 31.Kh1 Bc1 32.Rc1 Ra7 33.Rf1 Rda8 34.Bc2 a5 35.Bc3 ab4 36.ab4 Ra1! 37.Ba1 Ra1! 38.Ra1 Kg7 39.Rb1 Qh8 40.Kh2?! g5 41.Rd1 h4 42.Be4 1–0. Fournier,Frederic (1945) – burdeos (2015), Active Blind, 2007.

3.a3 Nf6

(--> 1.b4 e6 2.Bb2 Nf6 3.a3 c6).

4.Nf3 (--> 3.Nf3 Nf6 4.a3).

3.a4 Nf6

4.Ra3 Bb4 5.Rg3 0–0 6.Na3 Bd6 7.Rf3 Be7 8.Qa1 d5 9.h4 Nbd7 10.h5 e5! 11.h6 g6 12.e3 e4 13.Rg3 a6 14.Ne2 b5 15.a5 b4 16.Nb1 c5 17.Nf4 d4! 18.Bc4 Ne5 19.Ba2 c4?? 20.Bd4+= c3?? 21.dc3?? Ned7 22.cb4 Bb4 23.Kf1 Ba5?? 24.Nh5 Bc7 25.Rg5 a5?? 26.Nf6 Nf6+/– 27.Bf6?? Ba6 28.Kg1 Qd1 0–1. xtom – krawcuandy, kurnik, 2011.

4.Ra3 Bb4 5.Rg3 0–0 6.Na3 Be7 7.Qa1 Kh8 8.h4 d6 9.f4 Nh5?? 10.Bg7+– Kg8 11.Bf8 Kf8 12.Qh8 1–0. xtom (1625) – pionas54 (1650), kurnik, 2011.

4.Ra3 Bb4 5.Rg3 Bd6 6.Rg7= e5 7.Na3 Nh5 8.Rg4 f5 9.Rc4 Ba3 10.Ba3 d5 11.Rc3 Na6 12.Qa1 d4= 13.Rh3 Nf4 14.Rh6 Qg5 15.g3? Qh6–+ 16.gf4 Qf4 17.Nh3 Qh6 18.Rg1 Be6 19.Qb2 0–0–0 20.Rg3 f4 21.Rd3 e4 22.Rb3 Bb3 23.Qb3 Rhg8 24.e3 fe3 25.de3 de3 26.Qe3 Qe3 27.fe3 c5 28.Ba6 ba6 29.Bc5 Rg2 30.Ba7 Rh2 31.Nf4 Rdd2 32.c4 Ra2 33.Bd4 Rh1 0–1. xtom – gjanari, kurnik, 2011.

4.Bf6 Qf6 5.Nc3 Bb4 6.Ne4 –/+.

3.c4 d5

4.c5 a5 5.a3 ab4 6.ab4 Ra1 7.Ba1 Na6 8.Qb3 Nf6 9.Nf3 Be7 10.e3 0–0 11.d4 Ne4 12.Bd3 f5 13.Nc3 Qc7 14.Ne5 Bh4 15.g3 Bf6 16.Nd7?? (better is 16.f3 Be5 17.de5= (worse is 17.fe4 Bg3 18.Kd1 Bf2–/+)) 16…Bd7–+ (16...Bd7 17.Na4 e5–+) 0–1. Van Loon,W – de Laat,Piet JM, corr Netherlands, 1989.

4.c5 a5 5.a3 ab4 6.ab4 Ra1 7.Ba1 b6 8.d4 Ba6 9.Nf3 Nd7 10.Qa4 Qc8 11.g3 Ngf6 12.Bg2 Bb5 13.Qa7= bc5 14.dc5 Be7 15.Nbd2 0–0 16.Nd4 Ba6 17.0–0 Re8 18.Bb2 e5 19.Ra1 Nb8 20.N4f3 e4 21.Nd4 e3 22.fe3 Ng4 23.Bh3 Bg5 24.Nf1 h5 25.Nf3 Be7 26.Be5 Bc4 27.N1d2 Be2 28.Nd4 Bg5 29.Bf4 Bf4 30.ef4 Qd8 31.Bf1 Bf1 32.Rf1 h4 33.N2f3 ½–½. "lasker" – Al Bundy, 2009.

4.c5 a5 5.a3 ab4 6.ab4 Ra1 7.Ba1 b6 8.d4 e5 9.e3 ed4 (9...e4 10.b5=) 10.ed4 Bf5 11.Nf3 (11.Bd3 Bd3 12.Qd3 Qg5=) 11...Nf6 12.Bd3 Bd3 (12...Qe7 13.Be2=) 13.Qd3= Qe7 14.Qe3 (14.Qe2 bc5 15.dc5 Na6+=) 14...Qe3 15.fe3 bc5 16.bc5 Be7 17.0–0 (17.Nc3 Nbd7=) 17...Nbd7 18.Nc3 0–0 19.Re1 (19.Rb1 Ra8=) 19...Ra8+= 20.h3 Bd8 21.Nd2 Bc7 (21...Ba5 22.g4=) 22.Kf2 Nf8 23.Rb1 Ne6 24.Bb2 Ng5 (24...Rb8 25.Nd1+=) 25.Bc1 (25.Ke2 Rb8=) 25...h5 (25...Ra7 26.Rb4=) 26.Ke2= ½–½. Van Esbroeck,Dirk – Rosner,Dirk, e–mail SOK–99–E005A, 1999.

4.c5 b6 5.d4 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 e5 9.de5 bc5 10.bc5 Bc5 11.e3 Bb4 12.Nd2 Ne7 13.Ngf3 0–0 14.Bd3 c5 15.Qc2 h6 16.0–0 Bg4 17.h3 Bh5 18.Bc3 Bc3 19.Qc3 c4 20.Bc2 Qd7 21.e4 Rc8 22.Nd4 Nbc6 23.Nc6 Qc6 (worse is 23...Rc6 24.Ba4 d4 25.Qa5+= (25.Bc6?! dc3 26.Bd7 cd2=)) 24.ed5 Nd5 25.Qd4 c3 26.Ne4 Bg6 27.Nd6 Rb8 28.Bg6 fg6 29.Qe4 Kh7 30.g3 Rb4 31.Qd3 c2 32.Rc1 Rb2 33.Nc4 (33.Nf7!?–/+) 33...Nb4–+ 34.Qf1 Rb1! 35.Rb1 cb1Q 36.Qb1 Qc4 37.Qe1 Nc2 38.Qd2 Nd4 39.Qe3 Nf5 40.Qe1 Qd5 41.f4 Qf3 (41...Qf3 42.Qf2 Qg3 43.Qg3 Ng3–+) 0–1. Kucharkowski,Jens – Johannes,Jan, CiF, 2003.

4.c5 b6 5.d4 a5 6.a3 Nd7 7.e3 ab4 8.ab4 Ra1 9.Ba1 Ngf6 10.Bd3 Be7 11.Nf3 bc5 12.bc5 Ba6 13.0–0 Bd3 14.Qd3 0–0 15.Nbd2 Qc7 16.Qa6 e5 17.Rb1 e4 18.Ne1 Rb8 19.Bc3 Rb1 20.Nb1 Ng4 21.g3 Bd8 22.Qa8 f5 23.Nd2 Ngf6 24.Nc2 g6 25.Nb3 Qb8 26.Qb8 Nb8 27.Ba5 Ba5 28.Na5 Kf7 29.Nb4 Ne8 30.Kg2 g5 31.Nbc6 Nc6 32.Nc6 Ke6 33.Ne5 Nc7 34.f4 g4 35.h4 Ne8 36.Kf2 Ke7 37.Nc6 Kd7 38.Ne5= (better is 38.Nb4!? Nf6 39.Ke2+/–) 38...Ke6+/– (38...Ke7 39.Ke2 Nf6+/–) 39.Ke1 Kf6 40.Kd2 Ke7 41.Ke1= (better is 41.Kc3!?+/–) 41...Kd8+/– (41...Kf6 42.Kd1 Ke6+/–) 42.Ke2 Nf6 43.Nc6 Ke8 44.Nb4 Kd7 45.Kf1 Ke6 46.Kf2 Nh5 ½–½. Gerold – Joedicke, corr, 1997.

4.c5 Nf6 5.Nf3 a5 6.a3 Qc7 7.e3 Na6 8.Ba6 ba6 9.0–0 Rb8? 10.Bc3?? Ra8 11.d3 h6 12.Nbd2 Be7 13.Qa4 ab4 14.ab4 g5 15.Be5 Qd7 16.Nd4 Bb7 17.f4 Ng4?? 18.Bh8+– Ne3 19.fg5 Bg5 20.N2f3 Rc8 21.Be5 Qe7 22.Rfe1 Ng4 23.h3 Ne5 24.Re5 Qf6 25.Rae1 Kd7 26.Ne6! fe6 27.Ng5 hg5 28.Re6 Qd4 29.Kh1 Qg7 30.b5! ab5 31.Qa7 Rc7 32.Qb8 Bc8 33.Re7! Qe7 34.Re7 Ke7 35.Qc7 Bd7 36.g4 1–0. orangutanb4 (1940) – jackone (1840), kurnik, 2011.

4.e3 f5 5.Nf3 Nf6 6.b5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.Nf3).

3.c4 d6

4.e3 Nd7 5.d4 Ngf6 6.Nc3 d5 7.c5 b6 8.b5 cb5 9.c6 Nb8 10.Bb5 Qc7 11.Qa4 a6 12.Rc1 Ra7 13.Qb3 Nc6?? 14.Nd5+– Qd8? 15.Bc6 Bd7 16.Nb6 (16.Nb6 Bc6 17.Rc6+–) 1–0. Kleinke – Laufer, corr DDR, 1979.

4.Nf3 Be7?? 5.Bg7+– Bf6 6.Bh8 Bh8 7.d4 c5 8.a3 cd4 9.Nd4 Nc6 10.Nc6 bc6 11.e3?? Ba1–+ 12.Bd3 Qg5 13.0–0 Nf6 14.Nd2 Bc3 15.Ne4 Ne4 16.Be4 d5 17.cd5 ed5 18.Bh7 Bf5 19.Bf5=+ Qf5 20.Qc1 Qe5 21.Qc2 Kd7 22.Rc1+= Rh8 23.Qc3+/– Qh2 24.Kf1 Rc8 25.b5 Qd6 26.bc6 Rc6+/– 27.Qc6 Qc6 28.Rc6 Kc6 29.Ke2 Kb5 30.Kd3 Ka4 31.Kd4?? Kb3?? 32.Kd5+– a5 33.Kd4 a4 34.g4 Ka3 35.Kc3 Ka2 36.Kc2 a3 37.g5 Ka1 38.e4 a2 39.e5 f5 40.e6 f4 41.e7 f3 42.Kb3 Kb1 43.e8Q (43.e8Q a1N 44.Kc3 Nc2 45.Qb5 Nb4 46.Qb4 Kc1 47.Qb2 Kd1 48.Qd2#) 1–0. hal1958 – tensai, playchess.de, 2002.

3.c4 f5

4.e3 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

4.e3 Nf6 5.a3 d5 (5...a5 6.b5=) 6.Nf3 Bd6 (6...dc4 7.Bc4 b5 8.Bb3=) 7.c5+= Bc7 (7...Be7 8.d4+=) 8.Be5 (8.Be2 Qe7+=) 8...Nbd7 (8...Be5 9.Ne5 Nbd7 10.Nd7 Nd7 11.d4=) 9.Bc7 Qc7 10.d4 (10.Nd4 Nf8=) 10...0–0 (10...e5 11.Be2=) 11.Bd3+= Ne4 12.Nbd2 (12.0–0 e5+=) 12...Rf6 (12...e5 13.0–0=) 13.Qc2 (13.0–0 e5=) 13...Rh6 (13...e5 A) worse is 14.Be4 fe4 (14...de4?! 15.Ne5 Ne5 16.de5 Qe5 17.0–0=) 15.Ne5 Ne5 16.de5 Qe5–/+; B) 14.de5 Ne5 B1) worse is 15.Be4 fe4 (15...de4?! 16.Ne5 Qe5 17.0–0=) 16.Ne5 Qe5–/+; B2) 15.Ne4?? Nd3 (15...de4?! 16.Ne5 Qe5 17.Bc4 Be6 18.Rd1=; 15...fe4?! 16.Be4 de4 17.Ne5 Qe5 18.Rd1–+) 16.Qd3 fe4–+ (16...de4?! 17.Qe2 ef3 18.Qf3–+); B3) 15.Ne5 Qe5 16.0–0=) 14.Nf1 (14.Rd1 e5 15.de5 Ne5 16.Ne5 Qe5=) 14...e5= 15.Ng3? (better is 15.Rd1=) 15...Ng3–+ 16.Bf5?? (16.fg3 e4 17.0–0–+) 16...Nh1 17.Ng5 (17.Ke2 e4 18.Be4 de4–+) 17...Nf6 (17...e4 18.Be4 Nf6 19.Bh7 Nh7 20.Nf3 Rh2 21.Nh2 Qh2 22.0–0–0 Qg2 23.f4–+) 18.h3 (18.0–0–0 Rh2 19.Nf3 Bf5 20.Qf5 Rh5 21.Qe6 Kf8 22.Ne5 Re8 23.Qd6 Qd6 24.cd6 Nf2–+) 18...e4 19.Bc8 Rc8 20.0–0–0 Qh2 21.Qa4 Nf2 (21...Nf2 22.Rd2 Qg2–+) 0–1. Trkn – zweitausend, itsyourturn.com, 2001.

4.e3 Nf6 5.Qb3 Be7 =.

4.e3 Nf6 5.b5 Be7 6.Nf3 0–0 7.Be2 b6 (7...d5 8.Qb3=) 8.0–0 Bb7 9.a4 a5 (9...a6 10.Nc3=) 10.Ne5 (10.Nc3 cb5 11.Nb5 Nc6+=) 10...c5 (10...d6 11.bc6 Nc6 12.Nc6 Bc6 13.d4=) 11.d4 d6 12.Nd3 Qc8 13.dc5 dc5 14.Nd2 Nbd7 15.Nf3 Rd8 16.Qb3 Ne4 (16...Bd6 17.Nf4 Re8 18.Rad1=) 17.Rad1 (17.Rfd1 Ndf6+=) 17...Bf6 (17...Bd6 18.Nf4 Nf8 19.Qa2=) 18.Bf6 (18.Nf4 Re8+=) 18...gf6 (18...Ndf6 19.Nf4+=) 19.Nf4+/– Kf7 20.Rd3 (20.Nd2 Qc7+/–) 20...Qc7+= 21.Rfd1 Nf8 22.Ne1 Ke7 23.Bh5 Rd3 24.Rd3 (24.Ned3 e5 25.Nd5 Bd5 26.cd5 c4+/–) 24...Rd8+= 25.Qc2 (25.f3 Nd6+=) 25...Rd3 (25...Qe5 26.f3 Qa1 27.Kf1 Rd3 28.Nfd3= (worse is 28.Qd3 Nd6+=)) 26.Nfd3 (26.Ned3 Kd8+=) 26...Nd7 27.f3 (27.Kh1 e5+=) 27...Ng5 (27...Nd6 28.Qb3=) 28.f4 Ne4= 29.Bf3 Nf8 30.Nf2 Nf2 31.Kf2 Bf3= 32.Nf3 Ng6 33.Qd3 Qb8 34.g3 Qa8 35.Qf1 Qe4 36.Nd2 Qc2+= 37.Ke1 Qa4 38.Qf3 Nf8 39.g4 Qc2 40.gf5 Qf5 41.Kd1 Qd3 42.Qg3 Nd7 43.e4 Qg3 44.hg3 Kf7 45.Nb1 a4 46.Nc3= a3 47.Kc2 Kg6 48.Kb3? Kh5–+ 49.Ka3 Kg4 50.Kb3 Kg3 51.f5 e5 52.Kc2 h5 0–1. Hirt,Robert – Jordan, corr DDR, 1985.

4.Nf3 Bb4?? 5.Bg7 d6 6.Bh8 +–.

4.Nf3 Nf6 5.a3 Be7 =.

3.c4 f6

4.a3 Na6 5.d4 d6 6.Nf3 g5 (6...f5 7.Nc3+/–) 7.e4 Nh6 8.d5 Bg7 9.Ng5! e5 (9...fg5 10.Bg7 Pinning (10.Bg7 Deflection)) 10.Qh5+– Kd7? (better is 10...Ke7 11.Nf3 Qe8+–) 11.Ne6 Qe7 (11...Qg8 12.Bc1 Nf7 13.Nc3+–) 12.g3 (better is 12.Bc1!? Ng8 13.c5 Nc7 14.Ng7 Qg7+–) 12...Qf7 (12...Qf7 13.Qf7 Nf7 14.Ng7 cd5 15.ed5 Rg8+–). highvoltage (2445) – maviay (2020), net–chess.com, 2015.

4.a3 e5 5.e4 g6 6.Nc3 b5 (better is 6...a5!? 7.b5 Bc5+=) 7.cb5+– c5 8.Qb3 cb4 9.Bc4 bc3 10.Bf7 Ke7 11.Bc3 Nh6 (better is 11...Qb6 12.Bb4 d6 13.Bg8 Kd8+–) 12.Bd5 Nc6 13.bc6 dc6 14.Bc6 Qb6 (14...Bd7 15.Bb4 Ke8 16.Qe6 Be7 17.Be7 Qe7 18.Bd7 Kf8+–) 15.Bb4 Qb4 16.ab4 Be6 17.Qd3 Rd8 18.Ra7 Bd7 19.Rd7 (19.Rd7 Ke8 20.Rh7 Rd7 21.Qd7#) 1–0. Zedtler,Uwe – Krahl,Wolfgang, V0011 DESC, 1999.

3.c4 Nf6

(--> 1.b4 c6 2.Bb2 Nf6 3.c4 e6).

4.b5 cb5 5.cb5 d5 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 cb5 6.cb5).

3.e3 b5

4.a3 Nf6= 5.c4 (5.Nf3 a5=) 5...bc4 6.Bc4 d5 7.Be2 Bd6 (7...a5 8.ba5 Ba6 9.d3=) 8.Nf3 Qc7 (8...a5 9.Qa4=) 9.d4 (9.Bf6!? gf6 10.d4+=) 9...0–0 10.Nbd2 (10.Nc3 a5 11.ba5 Ba6=) 10...Nbd7 (10...a5 11.Bc3=) 11.Rc1+= (11...Qb7 12.Qc2+=). Nemec,Zdenek – Michalcik,Jiri, CSLA, 1981.

4.a4 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

4.a4 Bb7 +=.

4.Nf3 a5 5.c3 ab4 6.cb4 Nf6 7.a3 Be7 8.Be2 0–0 9.0–0 Ne4 10.d3 Nf6 11.Nbd2 d5 12.Ne5 Nbd7? 13.Nc6+/– Qe8 14.Ne7 Qe7 15.Bf3 Qd6 16.e4 de4 17.Ne4 Ne4 18.Be4 e5?? 19.Qh5 g6 20.Qf3 Rb8 21.Rac1 Nf6?? 22.Rc6 Qe7 23.Qf6 Qf6 24.Rf6 Be6 25.Be5 Rbe8 26.Bd6 Bb3 27.Bf8 Kf8 28.Rb1 Ba4 29.Rc1 Kg7 30.Rd6 h5 31.Rc7 Rf8 32.Rdd7 Kf6 33.Bd5 Re8 34.h3 Re1 35.Kh2 Re2 36.f3 Re3 37.Rf7 Kg5 38.Be4 Bb3 39.Rg7 Re2 40.Rg6 (40.Rg6 Kf4 41.Rh6+–) 1–0. elsh1403 – mgradzki, kurnik, 2011.

3.e3 Qb6

4.a3 a5 5.b5 d5 6.Nc3 Nd7 7.Rb1 Ngf6 8.bc6 bc6 9.Nf3 Bd6? (better is 9...Rb8=) 10.Nd5!+– Qd8 (10...cd5 11.Bf6 Combination; 10...ed5 11.Bf6 Combination; 10...Nd5 11.Bg7 Combination) 11.Nf6 (11.Nf6 Nf6 12.Ne5+–) 1–0. Andersson,Lars H – Nilsson,Erik, corr SSKK 2–92, 1987.

4.a3 a5 5.c3 Nf6 6.Nf3 d5 7.d4 (7.Be2 Bd6 8.0–0 0–0 9.d4 Qc7 10.ba5 Ra5 11.c4 b6 12.Qc2=; 7.d3 Bd6 8.Be2 0–0 9.0–0 Re8 10.Nbd2 e5 11.c4 ab4 12.ab4=; 7.Qa4 Nbd7 8.Be2 Bd6 9.0–0 Ra7 10.Qc2 0–0 11.d4 Re8 12.c4=) 7...ab4 8.cb4 Bd6 9.Bd3 Nbd7 10.0–0 0–0 11.Qc2 Qa7 12.Rc1 =.

4.a3 a5 5.c3 Nf6 6.Nf3 d6 7.Be2 (7.d4 ab4 8.cb4 Be7 9.Bd3 0–0 10.0–0 d5 11.Nc3 Nbd7 12.Qc2=; 7.d3 d5 8.Be2 Bd6 9.Nbd2 Nbd7 10.0–0 0–0 11.e4 e5 12.ed5=; 7.Bc4 d5 8.Be2 Bd6 9.0–0 Nbd7 10.d3 0–0 11.Nbd2 ab4 12.ab4=) 7...Be7 (7...d5 8.0–0 Bd6 9.d3 0–0 10.c4 ab4 11.Bd4 c5 12.ab4+=) 8.0–0 c5 (8...e5 9.d3 ab4 10.cb4 0–0 11.Nbd2 Be6 12.d4=) 9.b5 (9.Qc2 0–0 10.bc5 Qc5 11.c4 Nbd7 12.d4+=) 9...Qc7 (9...0–0 10.c4 e5 11.Nc3 Bf5 12.d3=) 10.c4 b6 (10...0–0 11.Nc3 Nbd7 12.Qc2+=) 11.d4 (11.Nc3 0–0 12.Qc2+=) 11...Bb7 (11...cd4 12.Nd4+=) 12.Nc3 White prepares the advance d5 (12.dc5 Qc5 13.Bd3 0–0=; 12.d5+=) 12...Nbd7 (12...cd4 13.Nd4 Nbd7 14.f4=) 13.Qc2 (13.d5 Ne5+/–) 13...g5 (13...0–0!?=) 14.d5 0–0–0 (better is 14...Rg8!?+/–) 15.Ng5+– Rdf8? (15...Rhg8 16.Nf7 (worse is 16.Nh7 ed5 17.Nd5 Nd5 18.cd5 Bd5+/–) 16...Rdf8 17.e4 ed5 18.Nh6 de4 19.Ng8 Rg8 20.f3 ef3 21.Bf3+–) 16.e4 (16.de6 Ne5 17.ef7 Qd7+–) 16...h6? (better is 16...e5+–) 17.Nf7! (17.de6?! hg5 18.Nd5 Bd5 19.ed7 Qd7 20.cd5 Rh4+–) 17...Rf7 18.de6 Rff8 19.ed7 Qd7 20.Nd5 Bd5 21.ed5 Kc7 (21...Rhg8 22.Rae1+–) 22.Rfe1 (22.Bd3!? Rhg8 23.Bf5 Qd8+–) 22...Rhg8 23.g3 Qh3 24.Bf1 Qd7 25.Re6 Rf7 26.Rae1 Rgf8 27.Bh3 Qd8 28.R1e3 Ng8 29.f4 (29.Qe2 Rf2 30.Qf2 Rf2 31.Kf2 Bg5+–) 29...Bf6 30.Bf6 Rf6 31.Re1 1–0. Kamaletdinov,Farit (1950) – Shantemirov,Samat, Astrakhan Reg. Championship Open, 2007.

4.a3 a5 5.c3 Nf6 6.Nf3 Be7 7.Be2 (7.d4 d5 8.Bd3 Nbd7 9.0–0 c5 10.Nbd2 c4 11.Bc2 0–0 12.Qe2=; 7.d3 0–0 8.Be2 c5 9.0–0 d5 10.Nbd2 Nc6 11.Qa4 Bd6 12.Rfb1=; 7.Qc2 d5 8.Be2 0–0 9.0–0 Nbd7 10.d4 Qc7 11.ba5 Ra5 12.c4=) 7...0–0 8.0–0 d5 9.d3 c5 10.Nbd2 Nc6 11.Qa4 Bd6 12.Rfb1 =.

4.a3 c5 5.Nc3 cb4 6.Nb5 ba3 7.Be5+/– Nc6?? 8.Nc7+– Kd8 9.Na8 Ne5 10.Nb6 (10.Nb6 ab6 11.Qb1+–) 1–0. pierre (2025) – Netto, internet, 2006.

3.e3 Qc7

4.c4 a6 5.a4 b6 6.b5 Bb7 7.Nf3 d6 8.Be2 Nd7 9.0–0 Ngf6 10.d4 Be7 11.Nbd2 h6 12.Qc2 g5 13.Nb3 g4 14.Nfd2 h5 15.Rfc1+= h4 16.f4 gf3 17.Bf3 e5 18.c5 d5? 19.cb6+– Qb8 20.bc6 Bc6 21.Qc6 e4 22.Be2 Rg8 23.Nf1 Kf8 24.a5 Ng4 25.h3 Bd6 26.Bg4 Rg4 27.hg4 Nf6 28.Ba3 Ng4 29.Bd6 (29.Bd6 Kg7 30.Bb8 Rb8 31.Qd5+–) 1–0. carocan (1825) – joule (1610), kurnik, 2011.

4.c4 a6 5.a4 b6 6.b5 d6 7.Nf3 Be7?? 8.Be2?? h6? 9.d4 Nd7 10.0–0 c5 11.Nbd2 Ngf6= 12.Qc2 g5 13.Rfd1 g4 14.Ne1 h5 15.e4 e5 16.d5 h4 17.Nd3 g3 18.h3 gf2 19.Nf2 Nh5 20.Nf1 Ng3 21.Ng3 hg3 22.Ng4 Nf6 23.Ne3 Nh5 24.Rf1 Nf4 25.Nf5 Bf5 26.ef5 0–0–0? 27.Bg4 Bh4 28.ba6 Kb8 29.a5! Rdg8 30.ab6 Qb6 31.Rf4! ef4 32.Bh8 Ka7 33.Bc3 Rb8 34.Qa4 Qc7 35.f6 Rb4 36.Bb4 cb4 37.Qb4 Qc5 38.Qc5 dc5 39.Rf1 Bf6 40.Rf4 Bd4 41.Kf1 Ka6 42.Rf7 Ka5 43.h4 Kb4 44.Be2 Kc3 45.h5 Kd2 46.h6 Ke3 47.h7 Ke4 48.Rf8 Bg7 49.h8Q Bh8 50.Rh8 Kd4 51.Rh3 Ke3 52.Rg3 Kd2 53.Rf3 Kc1 54.d6 Kd2 55.d7 Kc1 56.d8Q Kb2 57.Qd2 Kb1 58.Kf2 Ka1 59.Ke3 Kb1 60.Rf1# 1–0. carocan (1840) – joule, kurnik, 2011.

4.Nf3 Nf6 5.a3 h6 6.d4 a6 7.Nbd2 b6 8.c4 Bb7 9.Be2 d6 10.0–0 Nbd7 11.h3 Be7 12.c5 b5 13.Bd3 e5 14.de5 Ne5 15.Ne5 de5 16.Be4 h5 17.Bc2 0–0–0 18.Qe2 Ng4?? 19.Bf5 Kb8 20.Bg4?? hg4= 21.Qg4 f5?? 22.Qg3 f4 23.ef4 Qd7?? 24.Be5+– Ka8 25.Ne4 Qe6 26.Nd6 Rh6 27.Rae1 Rg6 28.Qf3 Qa2 29.Qe4 Re6 30.Qf5 g6 31.Qf7 Bh4 32.Qb7# 1–0. wojtekkk – joule, kurnik, 2011.

3.e3 d5

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

4.a3 Nf6 5.Nf3 Be7 6.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6).

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

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

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

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

4.Nf3 Nf6 5.a3 Be7 6.d4 0–0 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

3.e3 Ne7

4.Nf3 d6 5.c4 c5 6.b5 Nd7 7.Be2 Ng6 8.0–0 e5 9.a4 a5 10.d4 Be7 11.de5 de5 12.Qc2 Nf6 13.Ne5+/– Bd6 14.Rd1 Qc7 15.Nf3 0–0 16.Bf6 Bg4? 17.b6 Qd7 18.Qd2 Bh2 19.Kh2 Qf5 20.Bc3 Rad8 21.Qd8 Rd8 22.Rd8 Nf8 23.Be5 Qc2 24.Bd3 Qf2 25.Bd6 h5 26.Rf8 1–0. Taulien,Hans_Juergen – Taulien,Christian, remoteschach.de, 2001.

4.Nf3 Ng6 5.Be2 d6 6.0–0 Nd7 7.d3 e5 8.e4 Be7 9.Nbd2 0–0 10.h3 Nf6 11.a3 Kh8 12.Re1 Ng8 13.d4 f6 14.de5 fe5 15.Bc4 Nf4 16.Bg8 Rg8 17.Kh2 Rf8 18.Nc4 Qc7 19.Ne3 Be6 20.Ng4 h5 21.Ne3 g5 22.Nf5 Bf5 23.ef5 Rf5 24.c4 Raf8 25.c5 Nh3 26.Kh3 g4–+ 27.Kh2 gf3 28.gf3 Rf3 29.cd6 Bd6 30.Kg2 Kh7 31.Qc2 Kg7 32.Qe4?? Rf2 33.Kg1 R8f4 34.Be5 Be5 35.Qe5 Qe5 36.Re5 Kf6 37.Re8? h4 38.Rf8 Ke5 39.Re1 Kd4 40.Rd8 Kc4 41.Rc1 Kb3 42.Rd3 Ka4 43.Rh3 R2f3 44.Rf3 Rf3 45.b5 cb5 46.Re1 Ra3 47.Re4 b4 48.Rh4 b5 49.Kf2 a5 50.Ke2 Rc3 51.Kd2 Kb3 52.Kd1 a4 53.Rh2 a3 54.Rd2 a2 55.Ra2 Ka2 56.Kd2 Kb2 57.Kd1 Rc2 58.Ke1 Kc3 59.Kd1 b3 60.Ke1 b2 61.Kd1 b1R (61...b1Q) 0–1. wojtekkk – superos69, kurnik, 2011.

3.e3 f6

4.a3 a5 5.Qh5 g6 6.Qd1 ab4=+ 7.ab4 Ra1 8.Ba1 Bb4 9.Bc4 Ne7 10.Nf3 Qa5 11.Nc3 Qc5 12.Bb3 d5 13.0–0 0–0=+ 14.Nd4 b5 15.f4 Qd6 16.Nf3 Bd7 17.Ne2 Ba5 18.Ned4 c5–/+ 19.Ne2 Bb6 20.c3 c4 21.Bc2 Bc7 22.Ng3 e5 23.Bb2 e4 24.Nd4–/+ h5 25.f5 h4=+ 26.Nh1?? Nf5 27.Nf5 Bf5 28.h3 Qh2 29.Kf2 Bh3 30.Qa1 Qg2 31.Ke1 Qf1 0–1. erisonpassos – sahiti2008, kurnik, 2011.

4.a3 Qb6 5.c4 a5 6.b5 cb5 7.cb5 d5 8.Nf3 a4 9.Nc3 Bd7 10.Na4 Qa5 11.Nc3 Nh6 12.a4 Nf5 13.Be2 Bb4 14.0–0 0–0 15.Qb3 Be7 16.d4 Nd6 17.Ba3 Qc7 18.b6 Qd8 19.a5! Na6? 20.Nb5 Bb5+/– 21.Bb5 Nb5 22.Qb5 Qe8 23.Qe8 Rfe8 24.Rfc1 Ba3 25.Ra3 Nb4 26.Ra4 Nc6? 27.a6!+– Rec8 28.ab7 Nd4 29.bc8Q Rc8 30.Rc8 (30.Rc8 Kf7 31.ed4+–) 1–0. carocan (1685) – juro5, kurnik, 2011.

4.a3 d5 5.Nf3 Bd6 6.c4 Nd7 7.Nc3 Ne7 8.Be2 0–0 9.0–0 Ne5 10.cd5 ed5 11.Qb3 Nf3 12.Bf3 Be6 13.e4 Kh8 14.ed5 cd5 15.Nd5?? Bd5 16.Bd5 Nd5 17.g3 Nb6 18.Rfe1 Be5 19.Be5 fe5 20.Re5 Qd2 21.Rd1?? Qf2 22.Kh1 Rac8 (22...Rac8 23.Qe3 Qb2–+) 0–1. elsh1403 – hakigashi (1670), kurnik, 2011.

4.a3 e5 5.Bd3 Qb6 6.Qh5+= Kd8 7.Bh7 Bb4?? 8.ab4+– Qb4 9.Bc3 Qe7 10.Ba5 b6 11.Bb6! ab6 12.Ra8 1–0. Wall,Bill – SteelyTom, internet, 2004.

3.e3 Nf6

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

4.a3 d5 5.c4 Be7 6.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6).

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

3.e4 Bb4??

4.Bg7 Nf6 5.Bh8 Ne4 6.Qg4 +–.

4.Bg7 Qh4 5.Qf3 f6 6.Bh8 Bd6 7.Qe3 Bf4 8.g3 Be3 9.gh4 Bd4 10.c3 Be5 11.d4 Bf4 12.Ne2 Bh6 13.e5 f5 14.Rg1 Kf7 15.Nd2 d5 16.Nf3 Nd7 17.Ng5 Kf8 18.Ne6 Kf7 19.Nc7 Rb8 20.e6 Kf8 21.ed7 Bd7 22.Be5 Rc8 23.Bd6 Kf7 24.c4! dc4 25.Nf4 b5 26.Be2 Nf6 27.Bh5 Nh5 28.Nh5 c3 29.f4 a5 30.Rg3 b4 31.0–0–0 c5 32.Re1 Bf8 33.Bf8 Kf8+– 34.Rg7 Rc7 35.Ree7 Be8 36.Rc7 Bh5 37.Rh7 (37.Rh7 Kg8 38.Rh5 b3 39.Rc5 (39.dc5?! ba2 40.Rg5 Kh8 41.Rc8 Kh7 42.Rh5 Kg6+/–) 39...ba2 40.Ra5 Kg7 41.Ra2 Kg6 42.Rg5 Kf7 43.Rf5 Ke6 44.Re5 Kd6 45.Ra6 Kd7 46.Rg5 Kc7 47.Rg7 Kb8 48.Re6 Kc8 49.Re8#) 1–0. slagveld (1715) – lilgia, internet, 2007.

3.e4 d5

4.b5 Nf6 5.e5 Nfd7 6.d4 Be7 7.a4 0–0 8.c4 dc4 9.Bc4 Nb6 10.Bb3 Nd5 11.Nc3 b6 12.Nf3 Bb7 13.0–0 c5 14.Nd5 Bd5 15.Bd5 Qd5 16.dc5 Qd1 17.Rfd1 Bc5 18.Ba3 Ba3 19.Ra3 a6 20.Rad3 ab5 21.ab5 g6 22.Rd8 Kg7 23.Rf8 Kf8+= 24.Ng5 h6 25.Ne4 Ke7 26.Nd6 Nd7 27.f4 Nc5 28.g4 Ra2 29.h4 Rb2 30.f5 gf5 31.gf5 ef5 32.Nf5 Ke6 33.Nh6 Rb5 34.Ng4 Rb4 35.Rd6 Kf5 36.Ne3 Ke5–/+ 37.Rd8? Rh4–+ 38.Rd5? Ke6 39.Rg5 f6 40.Rg6 Rh5 41.Nc4 b5 42.Na3 b4 43.Nb1 Rg5 44.Rg5 fg5 45.Kg2 Kf5 46.Kg3 b3 47.Nc3 b2 48.Nb1 Nd3 49.Kf3 g4 50.Ke3 Nc1 51.Kf2 Kf4 52.Kg2 g3 53.Kg1 Kf3 54.Kf1 g2 55.Kg1 Ne2 56.Kh2 g1Q (56...g1Q 57.Kh3 Qg3) 0–1. iczker – dumbv, kurnik, 2011.

4.ed5 cd5 5.a3 Nf6 6.Nf3 Bd6 7.Nc3 0–0 8.Be2 b6 9.0–0 Bb7 10.d4 Nbd7 11.Bd3 Ne4 12.Qe2 Nc3 13.Bc3 Rc8 14.Bd2 Nf6 15.Bg5 Qc7 16.Bf6 gf6 17.Nh4 Bh2=+ 18.Kh1 Bf4 19.Qh5 f5 20.g4 Kh8 21.Nf3 f6 22.gf5 e5 23.Nh4 Rg8 24.Ng6 Kg7 25.Rg1?? Bg5?? 26.Ne5+/– Kf8 27.Rae1 fe5 28.Rg5 Rg5 29.Qg5 e4 30.Rg1 Qf7 31.Bb5 Bc6 32.Qh6 Ke7 33.Rg7 (33...Qg7 34.Qg7 Kd6 35.Qe5 Kd7 36.Qd5 Ke7 37.Bc6 Rc6 38.Qc6+–; 33.Bc6?! Rc6 34.Qg5 Rf6=) 1–0. Blankenberg,Bruno (1960) – Meisinger,Peter (1710), DESC, 2000.

4.ed5 cd5 5.Bb5 Bd7 6.Qe2 a6 7.Bd3 Nf6 8.Nf3 Bb4–/+ 9.Nc3 0–0 10.0–0 Nc6 11.Nd1 Re8 12.Nc3? e5–+ 13.a3 Bc3 14.Bc3 e4 15.Bf6 Qf6 16.c3 ef3 17.Qf3 Qf3 18.gf3 Ne5 19.Be2 Re6 20.d4 Rae8 21.de5 Re5 22.Bd3 Bh3 23.f4 R5e7 24.Rfd1 Bg4 25.Rdc1 Bf3 26.Kf1 f6 27.Re1? Re1 28.Re1 Bg2!! 29.Kg2 Re1 30.c4 d4 31.h3 Ra1 32.Be4 b6 (32...b6 33.Bd5 Kf8–+) 0–1. yulio – PeterRs, ChessWorld.net, 2006.

4.ed5 cd5 5.Nf3 Nf6 6.a3 Bd6 7.Bd3 0–0 8.0–0 Re8 9.Re1 Bd7 10.Ne5 a6 11.Qf3 Nc6 12.Bh7 Kh7 13.Nf7 Qe7 14.Qd3 Kg8 15.Nd6 Qd6 16.Bf6 gf6?? 17.Qg6+– Kf8 18.Qf6 Kg8 19.Re3 Qe7 20.Rg3 Kh7 21.Rh3 (21...Kg8 22.Rh8) 1–0. mrkt – Edgarri, ChessWorld.net, 2003.

4.ed5 cd5 5.Nf3 Nf6 6.a3 Be7 7.Nc3 a6 8.d4 0–0 9.Ne5 Nbd7 10.Bd3 Ne5 11.de5 Nd7 12.Qh5 g6 13.Qe2 Re8 14.0–0 b5 15.Rfe1 Nb6 16.Qf3 Bd7 17.Nd1 Nc4 18.Bc4 bc4 19.Ne3 a5 20.Ng4 ab4 21.Nh6 Kg7 22.Qf7 Kh6?? (better is 22...Kh8 23.ab4 Rc8+– (23...Bb4 24.Ra8 Bc5 25.Rd8 Bf2 26.Kf2 Rd8 27.Qf6)) 23.Re3+– Bh4 24.Rh3 g5 (24...Qf6 25.Qf6 ba3 26.Rh4) 25.Rh4! gh4 (25...gh4 26.Bc1 Mate attack) 26.Bc1 Qg5 27.Qf6 Kh5 28.Qg5# 1–0. Idelis – Mrchess, playchess.de, 2004.

3.Nf3 a5

4.ba5 Ra5 5.e3 Qb6 6.Bc3 Ra8 7.Qc1 Bb4?? 8.Bb4 Qb4= 9.a3 Qb6 10.Be2 Nf6 11.0–0 d5 12.d3 0–0 13.c4 Na6 14.cd5 Nd5 15.Nc3 Nf6 16.Qb1 Qc7 17.d4 b5 18.Rc1+/– Bb7 19.Ne4 Nd5? 20.Ne5 f6+/– 21.Nd3 f5 22.Nec5+/– Nc5 23.Nc5 g5?? 24.Ne6+– f4 25.Nc7 Rac8 26.Ne6 fe3 27.Nf8 ef2 28.Kf2 Rf8 29.Bf3 g4 30.Qe4 gf3 31.Qg4 Kf7 32.gf3 Ke7 33.Re1 Kd8 34.Qg5 Kc8 35.Qg7 Rd8 36.Qh7 Nf4 37.Qf5 Kb8 38.Qf4 (38.Qf4 Rd6 39.Qd6 Ka7 40.Qc5 Ka6 41.a4 b4 42.a5 b3 43.Qb6) 1–0. erisonpassos – chesslover, kurnik, 2011.

4.b5 cb5 5.Na3 b4=+ 6.Nb5 Qb6 7.e4 Nc6 8.Bc4 f6 9.0–0 Bc5 10.d4 Be7 11.d5 ed5 12.ed5 Na7 13.Bd4 Bc5 14.Qe2 Ne7 15.d6! Bd4 16.Qe7 (16.Nbd4?! Qd6 17.Rfe1 Nac6+=; 16.Nfd4 Qd6 17.Nd6 Kd8 18.Nf7 Kc7 19.Qe7 b6 20.Bd5 Ba6 21.Qd6 Kc8 22.Qb6 Nb5 23.Nb5 Bb5 24.Nd6#) 1–0. marre – omfw, internet, 2010.

3.Nf3 Bb4??

4.Bg7+– Qe7 5.Bh8 f6 6.a3 Bc5 7.e3 d5 8.Bd3 Nh6 9.0–0 Qf8 10.Bh7 Qh8 11.Bd3 e5 12.Bg6 Ke7 13.Nh4 Bg4 14.f3 Be6 15.Nc3 f5 16.a4 Kf6? 17.a5 Ng8 18.g3?? Ne7+/– 19.d4 Bd6 20.f4 ef4+= 21.ef4 Ng6= 22.Nf3 Nd7 23.Rb1= b6 24.ab6 Nb6 25.Ra1 Nc4=+ 26.Qd3 a5 27.Ra4? Rg8 28.Kf2 Nb2–+ 29.Qe3 Na4 30.Na4 Rc8 31.Nb6 Rb8 32.Na4 Rb4 33.Nc3 a4 34.Ra1 Qa8 35.Ng5 Bd7 36.Na2 Rb2 37.Qc3 a3 38.Nh7 Kg7 39.Ng5 Qa4 40.Nf3 Rc2 41.Ke3 Rc3 42.Nc3 Qb3 43.Kd3 Bb4 44.Rc1 a2 45.Ra1 Qc3 46.Ke2 Qa1 47.Kf2 Qb2 48.Ke3 a1Q 49.Nd2 Qd2 50.Kf3 Qf1# 0–1. gordiemac – maftei, ChessWorld.net, 2009.

4.Bg7+– Nf6 5.Bh8 Ke7 6.Bf6 Kf6 7.c3 Bd6 8.d4 Ke7 9.e4 Qg8 10.e5 Bc7 11.Na3 d6 12.Nh4 b5 13.c4 Ba5 14.Ke2 Qg4 15.Nf3?? Bb4 16.Nc2 Qe4 17.Ne3 bc4 18.Rb1 Ba3 19.Ng5 Qg6 20.Nf3 Ba6?? 21.h3 c3 22.Ke1 Bf1 23.Rb7 Nd7 24.Kf1 Rb8 25.Ra7 Rb1+/– 26.Qb1?? Qb1–/+ 27.Ne1 Bc1 28.N3c2?? Qb5 29.Kg1 Qb1 30.Kh2 Bf4 31.g3= Bd2 32.a3?? Be1 33.Ne1 Qb2 34.a4?? Qf2 35.Ng2 c2 36.Rb7 Qd2 37.h4 c1Q 38.Rc1 Qc1 39.Nf4 Qd2 40.Kh3 Qd4 41.a5 Qc4 42.ed6 Kd6 43.Nh5 Qa6 44.Rb1–+ Qa5 45.Rd1 Ke7 46.Nf4 Qf5 47.g4 Qf4 48.Ra1 f5 49.g5 Qf3 50.Kh2 Qe2 51.Kg1 Qg4 52.Kf2 Qh4 53.Ke2 f4 54.Ra3 e5 55.Ra5 Qg4 56.Kd2 f3 57.Ke3 Qf4 58.Kd3 f2 59.Kc3 Qc1 60.Kd3 f1Q 61.Ke4 Qff4 62.Kd3 Qcd2# (62...Qfe3#) 0–1. gordiemac – Eries, ChessWorld.net, 2009.

3.Nf3 f6

4.a3 d5 5.e3 a6 6.c4 dc4 7.Bc4+– c5 8.bc5 Bc5 9.0–0 h5 10.Qb3 Qe7 11.d4 Bd6 12.Nh4 Rh6 13.d5 g6?? 14.Nd2 ed5?? 15.Bd5 Nc6 16.Bc6 bc6 17.Qg8 Kd7 18.Ng6 Rg6 19.Qg6 (19.Qg6 Qe8 20.Qf6+–) 1–0. thorr (2220) – nwishn (2090), net–chess.com, 2007.

4.a3 e5 5.e3 d5 6.c4 Be6 7.cd5 Bd5 8.Nc3 Be6 9.d4 Bd6? (better is 9...Nd7!?+=) 10.de5+– fe5 11.Be2 (better is 11.Ne4 Be7 12.Qd8 Kd8 13.Rd1 Ke8 14.Nd6 Bd6 15.Rd6+–) 11...Nf6+= 12.0–0 0–0 13.Qc2 g6 14.Rad1 Qc7 15.h3 e4? (better is 15...a5+=) 16.Ne4+– Ne4 (16...Be7+–) 17.Qe4 Bf5 (17...Bd5 18.Rd5 cd5 19.Qd5 Rf7+–) 18.Bc4 Rf7 19.Qe8 Bf8 20.Bf7 (20.Ng5 Be6 21.Be6 Qh2 22.Kh2 a5 23.Qf7) 20...Qf7 21.Rd8 (better is 21.Qe5 Qg7 22.Rd8 Qe5 23.Be5+–) 21...Bd7 (21...Qe8 22.Re8 Kf7+–) 22.Qf7 (22.Qe5 Qf6 23.Qf6 Be8 24.Re8 a5 25.Qf8) 22...Kf7+– 23.Ne5 (better is 23.Rd1 a5 24.Ne5 Ke7 25.R1d7 Nd7 26.Ra8 Ne5 27.Be5 ab4 28.ab4 Kf7+–) 23...Ke6 (23...Ke7 24.Nd7 Kd8 25.Nf8 a5+–) 24.Rf8 h6 (24...c5 25.Nd7 Kd7 26.Rd1 Kc6 27.Rc8 Kb5 28.bc5 h6+–) 25.Rd1 g5 26.Nd7 (26.Ng6 c5 27.Rf6) 26...Nd7+– 27.Ra8 Ne5 28.Be5 Ke5 29.Ra7 Ke4 30.g4 b5 31.Kg2 c5 32.Re7 1–0. Fournier,Frederic (1845) – Iger, Active, 2008.

3.Nf3 Nf6

4.a3 a6 5.c4 Be7 6.d4 d5 7.Nbd2 0–0 8.e3 Ne4 9.Bd3 f5 10.0–0 Rf6 11.Ne5 Rh6 12.Ndf3 Nd7 13.g3 Ndf6 14.cd5 Nd5 15.Rc1 Bd7 16.Nd7 Qd7 17.Ne5 Qe8 18.Qe2 g5 19.f3 Nef6 20.e4 fe4 21.fe4 Nc7 22.Ng4 Ng4 23.Qg4 Rd8 24.Rce1 Qg6 25.Re3 Qg7 26.Ref3 Rf8 27.Rf8 Bf8 28.Rf2 b5 29.d5+– e5 30.dc6 Rc6 31.h4?? gh4= 32.Qg7 Bg7 33.gh4 Ne6 34.Rc2 Rc2 35.Bc2 Nd4 36.Bd4 ed4 37.Kf2 Bf6 38.Kg3 h6 39.Kg4 Kg7 40.Bd3 Be5 41.Kf5 Bg3 42.h5 Kf7 43.a4 ba4–/+ 44.Ba6 Bd6 45.Bc4=+ Ke7 46.b5 a3 47.e5 Bc5 48.Ke4= Bb6 49.Kd3 Kd7 50.Kc2 Bc5 51.Kb3 Kc7 52.Be6 Kb6 53.Bc4 Ka5 54.e6 Kb6 55.Kc2 Be7 56.Kd3 Bc5 57.e7 Be7 58.Kd4 Bf6 59.Kd5 Bg5 60.Bd3?? Bc1 61.Kc4?? Bb2 62.Kb3= Ka5 63.Kc4?? a2–+ 0–1. bratek55 – pionas54 (1690), kurnik, 2011.

4.a3 Qb6 5.c4 a5 6.c5 Qc7 7.Nc3 d6 8.d4 Nbd7 9.e3 Be7 10.Bd3 0–0 11.0–0 b6 12.Qc2 Ba6 13.Ba6 Ra6 14.e4 ab4 15.ab4 Rfa8 16.Ra6+/– Ra6 17.d5?? bc5=+ 18.de6 fe6 19.bc5 dc5 20.Rd1 Nf8 21.Qd3 Ra8 22.Ne2 Rd8 23.Qc2 Rd1 24.Qd1 Ne4 25.Qd3 Nf6 26.Be5 Qd7 27.Qd7 N8d7 28.Bb2 Ne4 29.Kf1 Bf6 30.Bc1 Ne5 31.Ne5 Be5 32.f3 Nf6 33.f4 Bd4 34.Ng3 Kf7 35.Ke2 c4 36.Kf3 c5 37.Ne4 Ne4 38.Ke4 g6 39.g4 Kf6 40.h4 Ke7 41.f5 ef5 42.gf5 Kf7 43.fg6 Kg6 44.Kd5 c3 45.Ke4 Kh5 46.Kf5 Kh4 47.Kf4 h5 48.Kf3 Kh3 49.Bf4 c2 50.Bc1 Bf6 51.Kf2 h4 52.Kf3 Bd4 (52...Bd4 53.Bf4 Bb2–+) 0–1. bratek55 (1615) – kryniaci (1725), kurnik, 2011.

4.a3 d5 5.d4 Bd6 6.e3 0–0 7.c4 Ne4 8.Nbd2 f5 9.Bd3 Nd7 10.0–0 Rf6 11.Ne5 Rh6 12.f3 Nd2=+ 13.Qd2 Qh4 14.g3+= Qh5 15.Qg2 Nf6 16.Rac1 Be5 17.de5 Ne8 18.cd5 ed5 19.e4 Be6?? 20.ef5+– Bf5 21.Bf5 Rd8?? 22.g4+– Qg5 23.Rce1 Nc7 24.Bc1 Qh4 25.Bh6 Qh6 26.a4 Qf4 27.Qg3 Qb4 28.e6 Qc5 29.Kg2 Ne8 30.g5 Nd6 31.e7 Ra8 32.Be6 Kh8 33.Rc1 Qa3 34.Ra1 Qb2 35.Kh1 Ne8 36.Rab1 Qe2 37.Qe1 Qa6 38.Qe5 h6 39.gh6 Nf6 40.hg7 Kg7 41.Rg1 Kh7 42.Qf6 Qd3 43.Bf5 Qf5 44.Qf5 Kh8 45.Qf6 Kh7 46.Rg7 Kh8 47.Qf8 Rf8 48.ef8Q 1–0. bratek55 (1705) – pionas54 (1785), kurnik, 2011.

4.a3 d5 5.d4 Nbd7 6.e3 a5 7.b5 c5 8.c4 cd4 9.ed4 b6 10.Nbd2 Bb7 11.Bd3 Bd6 12.0–0 Rc8 13.Rc1 Bb8 14.Re1 dc4 15.Nc4 0–0 16.Nce5 Ne5 17.Ne5 Rc1 18.Bc1 Qd4?? 19.Bh7!+– Nh7 20.Qd4 Bd5 21.Nc6 Bc6 22.bc6 Bc7 23.Bf4 Bd8 24.c7 Bf6 25.Qb6 g5 26.Bd6 Re8 27.Qb8 Rb8 28.cb8Q Kg7 29.Be5 Be5 30.Qe5 Kg6 31.Qa5 Nf6 32.Qd8 Nd5 33.Qd5! ed5 34.a4 f5 35.a5 d4 36.a6 d3 37.Rd1 Kf6 38.Rd3 Ke6 39.a7 Ke5 40.a8R (40.a8R Ke6 41.Ra6 Ke5 42.Ra5 Ke6 43.Rh3 Kd6 44.Rh6 Kc7 45.Ra7 Kb8 46.Re7 Kc8 47.Rh8; 40.a8Q f4 41.Rd5 Kf6 42.Qc6 Kf7 43.Rd7 Kf8 44.Qc8) 1–0. bratek55 (1730) – pionas54 (1760), kurnik, 2011.

4.a3 d6 5.d4 Be7 6.c4 b6 7.Nc3 a6 (7...d5 8.e3=) 8.e4+= Qc7 9.Bd3 e5 10.0–0 Bg4 11.Ne2 (11.h3 Bh5 12.Be2 0–0+=) 11...Bf3= 12.gf3 Qd7 (better is 12...c5!? 13.d5 Nbd7=) 13.de5+/– de5 14.Be5 Nh5 (14...0–0 15.Qc2 Qh3 16.Bf4+/–) 15.Ng3+– Qh3 16.Re1 Ng3 17.fg3 0–0 18.Bf1 Qe6 19.f4 Nd7 20.Bc3 Rad8 21.Qe2 Qh6 22.h4 (22.Rad1 Rfe8+/–) 22...c5 23.Rad1 Nf6 24.e5+= Nh5 25.Qf3 Qg6 26.Kh2 Rd1 27.Rd1+– cb4 28.Bb4 Bb4 29.ab4 Ng3 30.Bd3 Nf5 31.Qh3 Qh5 32.Qf5 Qh4 33.Kg2 g6 34.Qh3 Qf4 35.Qg3 Qd4?? 36.Bg6! Qb2 37.Bc2 Kh8 38.Qd3 f5 39.e6 Qg7 40.Qg3 Qf6 41.Qf4 Qe6 42.Rd2 Rg8 43.Kf2 Re8 44.Bf5 Qe1 45.Kg2 Rg8 46.Kh3 Rg3?? 47.Qg3 Qd2 48.Qe5 Kg8 49.Be6 Kf8+– 50.Qf6 Ke8 51.Qf7 Kd8 52.Qf8 Kc7 53.Qc8 Kd6 54.Qd7 Ke5 55.Qd2 (55.Qd2 Ke6 56.Qe3 Kd7 57.Qb6+–) 1–0. thotares (1675) – Rudolf, internet, 2007.

4.a3 Bd6 5.Nc3 0–0 6.e4 c5? (better is 6...Bc7+=) 7.e5+– Be5 8.Ne5 Nc6 9.Nc6 dc6 10.Bd3 cb4 11.ab4 g6 12.0–0 Nd5 13.Nd5 ed5 14.Re1 h5 15.Qe2 Bg4 (15...Qg5 16.Bd4 Be6 17.Ra7 Ra7 18.Ba7+–) 16.Qe3 f5 (16...Kh7+–) 17.Qh6 Qd6 (17...Rf6 18.Ra7! Rb8 19.Rb7 Rb7 20.Bf6 Qf8 21.Qg6 Rg7 22.Bg7 Qf7 23.Qh6 Qe7 24.Re7 d4 25.Bc4) 18.Qg7 1–0. pcmvr (2845) – dweigel, net–chess.com, 2011.

4.a3 Bd6 5.e4+= Ne4 6.Bg7 Rg8 7.Bb2 Qb6 (7...Bc7!?=) 8.Qe2+/– Nf2? (better is 8...f5+/–) 9.Qf2+– c5 (9...Qf2 10.Kf2 Bc7 11.Bd3+–) 10.Nc3 Nc6 (10...Be7 11.Na4 Qc7 12.bc5+–) 11.Nb5 Ke7 (11...Bb8 12.bc5 Qd8+–) 12.Qh4 Ke8 13.Nd6 Kf8 14.Qf6 Nd8 If Black now would get Rg6 in, he might survive 15.Ng5 Qd6 (15...Rh8 16.Ngf7 Qd6 17.Nd6 Kg8 18.Qh8) 16.Qd8# 1–0. Woelfelschneider,Peter – Lorenz, 2009.

4.a3 Be7 5.e3 0–0 6.Be2 d5 7.d3 a5 8.c3 ab4 9.cb4 Na6 10.0–0= Nc7 11.d4 Re8 12.Nc3 Bd7 13.Na4 Bd6 14.Nb6 Rb8 15.Nd7 Qd7 16.Qc2 Ne4 17.Bd3 f5 18.Ne1 Qe7 19.f3 Qh4 20.f4 Rf8 21.Nf3 Qg4 22.Be4 fe4 23.Ne5 Be5 24.fe5 Rf5 25.Rf5 ef5 26.Rf1 Ne6 27.Qf2 Rf8 28.h3 Qg5=+ 29.Kh2 f4 30.ef4 Rf4 31.Qe2 Rf1 32.Qf1 Qf4 33.Qf4 Nf4 34.Kg3 Nd3 35.Bc3 Kf7 36.Bd2 Nb2 37.Kf2 Nd3 38.Ke2 Ke6 39.g4 Nb2 40.Be3 b6 41.h4 g6 42.g5 Kf5 43.Kf1 Nc4 44.Bc1 c5! 45.dc5 bc5 46.bc5 Ke5 47.a4 d4 48.Bb2?? Nb2 49.a5 d3 50.Ke1 e3 (50...e3 51.Kf1 d2 52.Kg1 d1Q 53.Kg2 Qg4 54.Kh2 e2 55.h5 e1Q 56.hg6 Qgg3#) 0–1. vik – Puls187, internet, 2001.

4.a3 Be7 5.e3 0–0 6.Be2 Nd5 7.0–0 Bf6 8.Bf6 Qf6 9.Ra2 b5 10.c4 bc4 11.Bc4 a5 12.Bb5?? (better is 12.Bd5 ed5 13.b5=) 12…cb5–+. Fournier,Frederic (1940) – DEVER (1760), Active (3/0), 2004.

4.a3 Be7 5.e3 d5 6.c4 Nbd7 7.d4 0–0 8.cd5 ed5 9.Bd3 Re8 10.Nbd2 Nf8 11.h3 Bd6 12.0–0 Bd7 13.Rc1 Ne4 14.Nb3 f5 15.Nc5 b6 (15...Qb6 16.Qc2=) 16.Nd7 Qd7 17.Nd2 Qe6 18.Ne4 fe4 (18...de4?? 19.Bc4 a5 20.Be6 Re6 21.d5 cd5 22.Qd5+–) 19.Be2 Qh6 20.Kh1 (worse is 20.Rc6 Bh2 21.Kh2 Qc6+=) 20...Rac8 21.b5 cb5 22.Bb5 Rc1 23.Qc1 Re6 24.Be2 Rg6 25.f4 Rg3 26.Kh2 Rg6 (26...Qg6 27.Bg4 Rg4 28.hg4 Qg4 29.Qc6+=) 27.Qd1 (27.g3!? Bb8 28.Qc8=) 27...Qg5 28.g4 h5 29.Rg1 h4 (29...hg4 30.Qb3 Kh8 31.Bg4= (31.hg4? Qh4 32.Kg2 Rg4 33.Bg4 Qg4 34.Kf1 Qf3 35.Ke1 Bf4–+)) 30.Kh1 Qe7 31.Qb3 Qf7 32.g5 Bf4? (better is 32...Be7+=) 33.ef4+– Qf4? 34.Qd5 Kh7 35.Bc1 Qf2 36.Qe4 Kg8 37.Qe3 Qf7 38.Rg4 Qd5 39.Bf3 Qc4 40.Rh4 1–0. Krc,Milan (1880) – Sladek,Vladislav (2000), Brno Trade op–A, 2005.

4.a3 Be7 5.e3 d5 6.d4 ½–½. futsalboy – armenia301 (1610), kurnik, 2011.

4.a3 h6 5.Nc3 (5.e4 Ne4 6.Bd3=) 5...Bd6 (5...a5!?=) 6.g3 (6.e4 Qc7+/–) 6...0–0 (6...a5 7.b5+=) 7.Bg2 (7.e4 Be7+/–) 7...b6 (7...a5 8.b5+=) 8.d4 (8.e4 Be7+/–) 8...Bb7 (8...Be7 9.0–0+=) 9.0–0 (better is 9.e4 Be7 10.0–0+=) 9...Ng4 (9...a5 10.b5+=) 10.Ne4 (10.e4!? Be7 11.e5+–) 10...Be7 (10...Bc7 11.h3 f5 12.Ned2+=) 11.c4 (11.Ne5 Nf6 12.Nf6 Bf6 13.c4+/–) 11...c5? (11...d5 12.Nc3+=) 12.d5 (12.Ne5!? Ne5 13.de5+/–) 12...ed5 (12...Na6 13.Ne5 Ne5 14.Be5 ed5 15.Nd6 Bd6 16.Bd6+=) 13.cd5 d6 (13...Na6+=) 14.Bc3 (better is 14.bc5!? bc5 15.Rb1+/–) 14...Nd7= 15.Qd2? (15.bc5 bc5 16.Qd3 Nb6=) 15...Ndf6 (better is 15...f5 16.bc5 fe4–+) 16.Nf6= Bf6 17.Bf6 (17.Rfc1 Re8=) 17...Qf6 (17...Nf6 18.Nh4=) 18.Rab1 (18.Rfc1 Rab8=) 18...Rae8 (18...Rac8!?=) 19.h3 Ne5 20.Ne5 Re5 21.e4 Rfe8 22.f3 Ba6 23.b5 Bb7 24.a4 Bc8 25.Kh2 Qg5?? 26.f4+– Qh5 27.fe5 Re5 28.Qf4 Rg5 29.Qd6 Kh7 30.Rf4 f6 31.Rbf1 Qe2 32.R1f2 Qc4 33.e5 Qb3 34.R2f3 Qb2 35.e6 Re5 36.Rf2 Qb3 37.Qc7 Be6 38.de6 Qe6 39.Rf6 Qc4 40.Qe5 Qd3 41.Be4 (41.Be4 Qe4 42.Qe4 g6 43.Qg6 Kh8 44.Rf8#) 1–0. ANZARBOND (1665) – helmisflorin, internet, 2009.

4.Nc3 Bb4–/+ 5.a3 Be7 6.e3 0–0 7.Be2 d5 8.0–0 Bd6 9.Re1 Qb6 10.Rb1 e5 11.Ba1 Qa5 12.d3 Be6 13.Rb7–/+ Qa3 14.d4 e4 15.Ng5 Bc8–+ 16.Rb3 Qa5 17.Bb2 h6 18.Nh3 Bh3 19.gh3 Qc7 20.Bf1 Bh2 21.Kh1 Nbd7 22.Ne2 a5 23.Ba3 Rfb8 24.Be7 Bd6 25.Bd6 Qd6 26.Nf4 a4 27.Rb8 Qb8 28.c4 a3 29.cd5 cd5 30.Qa1 Qb2 31.Rb1 Qf2 32.Qc3 a2 33.Ra1 Rb8 34.Qc1 Rb2 35.Bg2 Nh5! 36.Qg1 Qg1 37.Kg1 Rb1 (38.Kf2 Ra1 39.Nh5 Rb1–+) 0–1. Staats,Carsten – Steingraeber,Barbara, RSX9E – A00 – Sokolsky–1, 2002.

4.a3 a5

5.ba5 d5 =.

5.c3 d5 6.e3 Bd6 7.d4 0–0 8.Be2 Nbd7 9.0–0 Ne4 10.c4 dc4 11.Qc2 Nef6 12.ba5 Qa5 13.Bc4 Qh5 14.e4 Bf4 15.Rd1 Ng4 16.h3 Ngf6 17.Nc3 Qg6 (better is 17...Rd8!?=) 18.Bd3+/– e5 19.Ne2 Qh5 20.Nf4 (better is 20.Ne5!? Be5 21.de5+–) 20...ef4+/– 21.Bc1 g5 (21...Qh6 22.a4+/–) 22.d5 (22.Bb2 Re8+–) 22...g4 (better is 22...cd5!? 23.ed5 Nb6+/–) 23.hg4+– Qg4? (better is 23...Ng4 24.dc6 Nde5 25.Bf4 Nf3 26.gf3 Ne5 27.Be5 Qe5 28.cb7 Bb7+–) 24.dc6 bc6 25.e5 (25.Qc6?! Ra7 26.Bb2 Bb7+–) 25...Nd5 26.Bh7 Kh8 27.Bf5 Qg7 (27...Qh5 28.Qc6 Qf5 29.Qa8+– (worse is 29.Rd5 Ra6 30.Qb5 Rh6+–; worse is 29.Qd5 Ra4+–)) 28.Qc6 (28.Qc6 N7b6 29.Rd5 Bf5 30.Rd1+–) 1–0. marekt – forkknight, ChessWorld.net, 2012.

5.c3 d5 6.e3 Bd6 7.d4 Ne4 8.Bd3 f5 9.0–0 0–0 10.Ne5 Be5 11.de5 Nd7 12.c4 ab4 13.ab4 Ra1 14.Ba1 Qc7 15.Qf3 dc4 (15...Ne5? 16.Qf4+–) 16.Bc4 Nb6 (16...Ne5? 17.Qf4+–) 17.Bd3 Ng5 18.Qg3 Nf7 19.Na3 Qe7 20.Nc2 Nd5 21.Rb1 Bd7 22.Bc4 Qg5 23.Bd5 (23.Qg5!? Ng5 24.Rd1+=) 23...cd5 24.f4 Qg3 25.hg3 Rc8 26.Nd4 Nh6 27.Bb2 Ng4 28.Rc1 Ne3 29.Rc8 Bc8 30.Bc1 Nc4 31.Kf2 Kf7 32.Kf3 Bd7 33.g4 fg4 34.Kg4 Ba4 35.Kf3 h5 36.g3 Bd1 37.Kf2 Ba4 38.Kf3 Bd1 39.Kf2 Bg4 40.Nb5 Ke7 41.Nd4 (41.Na3!?+=) 41...Kd7 42.Nb5 Kc6 43.Nd4 Kb6 44.Kg2 Kc7 45.Nb5 Kd7 46.Nd4 (46.Kf2 g5–/+) 46...Ke7 47.Kf2 Bd1 48.Ke1 Ba4 49.Kf2 Be8 50.Kf3 Bg6 51.Kf2 Be4 52.Kg1 g5! 53.Kf2 (53.fg5 Ne5 Deflection) 53...g4 (53...h4 54.f5 hg3 55.Kg3 Bf5 56.Bg5 Kd7 57.Bf6–/+) 54.Nb5 Bc2 55.Nd4 Ba4 56.Kg2 Bd7 57.Kf2 Nb6 58.Bb2 Nc4 59.Bc1 Be8 60.Kg2 ½–½. Matei,C (1795) – Szakats,S (1865), XI Bancpost A, Miercurea Ciuc ROM, 2008.

5.c3 d5+= 6.g3 Bd6 7.d3 ab4 8.cb4 e5 (better is 8...Nbd7!?+=) 9.Ne5= 0–0 10.Bg2 Re8 11.Nf3 Bg4 12.0–0 Nbd7 13.Qc2 h5 14.Nc3 Ne5 15.Rfe1 Nf3 16.ef3 Bf5 17.Ne2 h4 18.Qd2 Bh7 19.Bh3 (worse is 19.gh4 Nh5=) 19...hg3 20.hg3 c5 21.Nf4 (21.f4 Be7+=) 21...Re1 22.Re1 (worse is 22.Qe1 cb4 23.ab4 Ra1 24.Qa1 Bf4 25.Bf6 gf6 26.gf4 Bd3+=) 22...d4 23.bc5 Bc5 24.Rc1 b6 (24...Ba3? 25.Ba3 g5 26.Ne2+–) 25.Rc4 Qd6 26.a4 Nd7 27.Bd7 Qd7 The isolani on a4 becomes a target 28.Qd1 Rd8 29.Qc1 Qb7 30.Kg2 Bf5 31.a5 Bg4 32.Qd1 g5 33.a6 (33.ab6 Bb6 34.Nh3 Be6+=) 33...Qc6 34.Nh3 f6 35.Ng1 Kf7 (35...Be6 36.Qa4 b5 37.Qa5 bc4 38.Qd8 Kf7 39.Bd4 Bd4 40.Qd4 Qa6 41.dc4 Qc4 42.Qc4 Bc4 43.g4+=) 36.Qc1 Qd5 37.a7 (37.Ba3 Bf3 38.Nf3 g4+=) 37...Bf5= 38.Ba3 (38.Ra4!?=) 38...Bd3+= 39.Ra4 Bb5 (better is 39...Ra8!?+=) 40.Bc5+= Ba4 (worse is 40...bc5 41.Ra5 Bd7 42.Rc5+/–) 41.Bb6 Ra8 42.Qa1 Bc6 43.Qd4 Qd4 44.Bd4 g4 0–1. marekt – TonyF1941, ChessWorld.net, 2012.

5.c3 Be7 6.Qc2 (6.e3 0–0=) 6...d5+= 7.d4 (7.e3 0–0+=) 7...Ne4 (7...0–0 8.e3+=) 8.Nbd2 (8.e3 0–0=) 8...f5 (8...Nd2 9.Nd2 ab4 10.cb4=) 9.Ne4 (9.e3 0–0=) 9...fe4+= 10.Ne5 0–0 (10...Nd7 11.e3+=) 11.e3 (11.f3 Bd6=) 11...Nd7+= 12.Nd7 (12.Be2 Ne5 13.de5 Qc7–/+) 12...Bd7–/+ 13.g3 (13.Qb3 b5–/+) 13...Qc7 (13...b5 14.Bg2–/+) 14.Bg2 Rf6 (14...e5 15.de5 Qe5 16.c4–/+) 15.0–0+= Raf8 16.ba5 (16.c4 ab4 17.ab4 Bb4–/+) 16...Qa5–/+ 17.c4 Qa6 (17...b5 18.c5–/+) 18.cd5 (18.c5!?+=) 18...ed5–/+ 19.Qb3 Kh8 (19...R8f7 20.Bc3–/+) 20.Bc3 Bg4 (20...b6 21.Rab1–/+) 21.Rab1 (better is 21.Bb4!? Bb4 22.ab4–/+) 21...Be2–+ (21...Ba3 22.Ra1+/–) 22.Rfe1 Rf2 23.Rb2 Bg5 24.Bb4 R8f7 25.Bd6 Bc4 26.Rf2–/+ Rf2 27.Qb4 Rf7 28.h4 Bd8 29.Rb1 Ba5 30.Qc5 h6 31.Bf4 b5 32.Bh3 Bd8 33.Be6 Be7–+ 34.Bd6 Bd6?? 35.Qd6+– Qb7 36.Bf7?? Qf7= 37.Qf4 Qa7 38.Qf8 White gets kings attack 38...Kh7 39.Rb2 Qa4 40.Rf2 Qb3 41.Qf5 Kg8 42.Qc8 Kh7 43.Rf8 Qd1?? 44.Kh2 Qe2 45.Kh3 Qh5 46.Rh8 Kg6 47.Qe8 Kf6 48.Rf8 Qf7 49.Qf7# 1–0. Wagle,Rainer Georg – Beck,Frederik (2100), Baden–chT U16, 2002.

5.Nc3 =.

5.c4 ab4 6.ab4 Ra1 7.Ba1 Bb4 8.e3 0–0 9.Be2 b6 10.0–0 d5 11.Ne5 Qd6 12.cd5 cd5 13.Nd3 Ba5?? 14.Bf6?? gf6–/+ 15.Bh5 e5 16.f4 Bf5 17.fe5+= fe5?? 18.Rf5+– e4 19.Qg4 Kh8 20.Ne5 Rg8 21.Nf7 1–0. abt – baisse, Caissa.com, 2004.

3.Nf3 h6

4.a3 d5 5.e3 =.

4.a3 Ne7 5.e3 d6 6.Be2 e5 7.0–0 Ng6 8.c4 Be7 9.Nc3 Bg4 10.d4 ed4 11.Qd4+/– Ne5 12.Ne5+– Be2 13.Nf7! Bf6 14.Nd8 Bd4 15.ed4 Bf1 16.Nb7 Bc4 17.Nd6 (17...Kd7 18.Nc4+–) 1–0. Wall,Bill – Lolo, internet, 2003.

4.e3 Qb6 5.a3+= a5 6.c3 ab4 7.cb4 Bb4?? 8.Bg7+– Rh7 9.ab4 Rg7 10.Ra8 (10.Ra8 Qc7 11.Na3+–) 1–0. Wall,Bill – Funky, internet, 2006.

4.e3 Nf6 5.a3 a5 6.ba5 Ra5 7.Be2 d5 8.0–0 Nbd7 9.d3 Bd6 10.Nbd2 Bb8 11.c4 0–0 12.Qb3 Nb6 13.d4 dc4 14.Nc4 Nc4 15.Bc4 Qc7 16.g3 Nd5 17.Ne5 Qe7 18.e4 Nf6 19.Bd3 Be5 20.de5 Nd7 21.f4 Qc5 22.Kg2 Rd8 23.Rac1 Qa7 24.Be2 Nc5 25.Qc2 Na4 26.Ba1 Qe3 27.Rf3 Qb6 28.Rd3 Bd7 29.Rcd1 Qc7 30.Rd4 Nc5 31.Qd2?? Ra3= 32.Qb4 Ra1?? 33.Ra1+/– Na6 34.Ba6 c5 35.Qc4 ba6 36.Rad1 Bb5?? 37.Rd8 Kh7 38.Qc3 c4 39.R8d6 Qb7 40.Kf3 g5 41.Qb4 Qc7 42.fg5 hg5 43.Qd2 Qc5 44.Qg5 Qc7 (44...Qc7 45.Rd8 Qe5 46.Qh4 Kg6 47.Rg8 Qg7 48.Qg4 Kf6 49.Qg7 Ke7 50.Qg5 f6 51.Qg7) 0–1. bratek55 – danutz010, kurnik, 2011.

2.Bb2 Nc6

4.b5 Na5 =.

4.b5 Ne5?? 5.Be5+– Bb7 6.e3 Nf6 7.Nf3 Ne4 8.Be2 Bc5 9.0–0 a6 10.ba6 Ba6 11.Ba6 Ra6 12.d3 Ra4 (12...Nf6+–) 13.de4 Re4 14.Qd3 Ra4 (14...Rg4 15.Rd1 f6 16.Bf4+–) 15.Bd4 (15.Bg7 Rg8 16.Qh7 Rg7 17.Qg7 Bf8+–) 15...e5 (15...Bd4 16.Nd4 0–0 17.Nc3+–) 16.Bc5 bc5 17.Ne5 Qg5 (17...Qe7 18.Nc3 Ra8+–) 18.Qd7 Kf8 19.Qf7 1–0. Fournier,Frederic – harrymass, Active (5/0), 2004.

3.a3 d6 4.e3 (4.b5 Ne5=) 4...Nf6 (4...e5 5.Bb5=) 5.Nf3 e5 6.c4 (6.b5 Ne7=) 6...Bg4 7.d3 Be7 8.Nbd2 0–0 9.Be2 Nd7 (9...a5 10.b5 Nb8 11.0–0=) 10.Ne4 (10.0–0=) 10...a6 (10...f5 11.Ng3+=) 11.0–0 (better is 11.Ne5!? Be2 12.Nc6 Bd1 13.Nd8+/–) 11...f5= 12.Ned2 Bf6 (12...a5 13.b5 Ncb8 14.d4+=) 13.e4 (13.h3 Bh5=) 13...f4 (13...a5 14.b5 fe4 15.de4=) 14.Qb3 (14.Nd4 Be2 15.Ne2 Qe7=) 14...Be6 (14...Qe7 15.h3 Be6 16.Qc2=) 15.Qc2 g5 (15...Qe7 16.Rfe1=) 16.Ne1 (16.Rfe1 g4 17.b5 Na5–+ (17...gf3?! 18.bc6 fe2 19.cd7+=)) 16...Qe7 (16...g4 17.Rb1=) 17.f3 (17.Nef3 g4 18.Ne1 f3 19.gf3 a5=) 17...Qg7 (17...Nd4 18.Bd4 ed4 19.a4+=) 18.Rf2 (18.Rb1 Qg6=) 18...Nd4 19.Qb1 Ne2 20.Re2 g4 (20...b5 21.Qc2=) 21.Kh1 (21.Qc2 g3+=) 21...Qh6 (21...g3 22.h3+=) 22.Nf1 (22.fg4 Bg4 23.Nef3 a5=) 22...Bh4 (22...g3 23.h3–/+) 23.Qc1 (23.fg4 b5=) 23...Be1 24.Qe1 Nf6 (24...gf3 25.gf3 Rf7 26.Rg2 Kh8 27.Qf2+=) 25.Bc1 (25.fg4 Ng4 26.Bc1 Qf6+=) 25...Nh5 (25...gf3 26.gf3 Rf7 27.Rg2 Rg7 28.Qe2+=) 26.g3 (better is 26.fg4!? Bg4 27.Rf2=) 26...Qf6 27.Bb2 (27.gf4!? Nf4 28.Bf4 Qf4 29.fg4 Qf3 30.Rg2 Qd3 31.Nd2–/+) 27...fg3–+ 28.Ng3 Qf3 29.Kg1?? (29.Rg2 Nf4 30.Qf2 Ng2 31.Qg2 Qd3 32.c5–+) 29...Nf4 30.Rf2 (30.h4 Nd3 31.Qd2 Qg3 32.Rg2–+) 30...Nh3 31.Kf1 Nf2 32.Nf5 Nd3 (32...Nd3 33.Kg1 Ne1 34.Re1 Bf5 35.ef5 Rf5–+; 32...Nh3 33.Qf2 Qf2#) 0–1. Casanova,G – De la Rosa,A, Pena San Jose, 1997.

3.a3 Bd6?? 4.Bg7+– Be5 5.Nc3?? (better is 5.Bh8 Bh8 6.c3+–) 5...Bg7–+ 6.Nf3 Bc3 7.dc3 d5 8.e3 e5 (8...Qf6 9.Qd2–+) 9.Bb5 e4–+ 10.Bc6 bc6 11.Nd4 Qg5 12.0–0? Bg4 13.Qd2 Rd8 14.Nc6?? Rd7 15.Qd4 Ne7?? 16.Qh8+– Ng8 17.Qe5 Qe5 18.Ne5 Nf6 19.Nd7 Bd7 20.Rad1 c6 21.f3 ef3 22.h3 c5 23.Rf3 Ne4 24.bc5 Nc3 25.Rdf1 Nb5 26.Rf7 Na3 27.Rh7 Nc2 28.Rff7 Ne3 29.Rd7 a5 30.Ra7 Nc4 31.Ra8 (31.Rh8) 1–0. Dazzer – Doobi, ChessWorld.net, 2005.

3.a3 Nce7 4.e3 c6 5.Nf3 f6 6.d4 g6 7.Bd3 Bg7 8.c4 b6 9.Nbd2 Nh6 10.c5 b5 (10...0–0 11.0–0+/–) 11.Qc2 (11.a4 ba4 12.Qa4 0–0+/–) 11...Bb7 12.Nh4 (12.0–0 0–0+/–) 12...0–0+= 13.f4 (13.0–0 f5+=) 13...a6 (13...Nd5 14.Nf1+=) 14.Rg1 (14.Ne4!?=) 14...Ng4 15.Ke2 a5 (15...Nh2!? 16.Ne4 Ng4+=) 16.h3= Nh6 17.g4 ab4 18.ab4 Qc7 19.g5 (19.Nhf3!?=) 19...fg5–/+ 20.fg5 Nhf5 21.Bf5 Nf5 (21...ef5 22.Qb3 Nd5 23.Nhf3–/+) 22.Nf5 Rf5 (22...Qh2 23.Kd3 ef5 24.Nb3 Qh3 25.Rh1+=) 23.Ne4 Qh2 (23...Raf8!? 24.Rg2 Ra8=) 24.Kd3+= Ra1?? (better is 24...Qc7+=) 25.Qh2+– Ra2 (25...Rg1 26.Qg1 Rf8+–) 26.Bc3 (better is 26.Qb8 Rf8 27.Qb7 Rb2 28.Qd7+–) 26...Rh2–+ 27.Nd6 Ba6 28.Ra1? Rh3 29.Ra6? Rff3 30.Ra8 Bf8 31.Bd2 Rf2 32.Rd8 Rhh2 33.Bc3 Ra2 34.Ne4 h6 35.gh6 Rh6= 36.Rd7 Bg7 37.Rd8 Kh7?? 38.Ng5 1–0. slavisa10 – windmill, Live Game Caissa's Web, 2004.

3.a3 f6 (--> 2.Bb2 f6 3.a3 Nc6).

3.a3 h6 4.c4 Be7 (better is 4...Nf6!?=) 5.Bg7+/– Rh7 6.Bb2 d5 7.cd5 Qd5 8.Nf3 e5 9.e3 Bf5 (9...e4 10.Nc3 Qe6 11.Nb5+/–) 10.Nc3 Bg4?? (10...Qe6 11.Bb5+–) 11.Be2 (better is 11.Nd5 Bd6 12.Qc2+–) 11...Qe6 12.Qc2 (better is 12.d4 Bf3 13.Bf3 (13.gf3?! ed4 14.ed4 Qg6+/–) 13...ed4 14.Nb5+–) 12...Bf3?? (better is 12...Bf5!? 13.e4 Bg6+–) 13.Bf3 Nf6 14.0–0–0 0–0–0+/– 15.Bc6 Qc6 16.d4 Rg7? 17.de5+– Ng4 18.Rd8 Bd8 19.f3?? Ne3= 20.Qd3 (20.Qd3 Ng2 21.Kb1+=) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

3.a3 Nh6 4.h3 e5 5.g3 (5.b5 Na5+=) 5...Qf6 (better is 5...f6+=) 6.f4 (better is 6.Nc3=) 6...ef4?? (6...Qg6 7.g4 Be7–/+) 7.Bf6+– gf6 8.e3 (8.gf4 d5+–) 8...d6 (8...fg3 9.Nc3 f5 10.Qf3+–) 9.Bb5 (9.ef4 Bd7+–) 9...a6 (9...fe3 10.Bc6 bc6 11.Qe2+–) 10.Bc4 (better is 10.Bc6!? bc6 11.Qf3 Bd7 12.Qe4 Be7 13.Qf4 Nf5+–) 10...Be6 11.d3 Bc4 12.dc4 fg3 13.Qh5 g2 14.Rh2 Rg8 15.b5 Ne5 16.Nd2 Rc8 17.Ne4 Rg6 18.ba6 ba6 19.Qh4 Nf3 20.Nf3 Rd8 21.Neg5! f5 22.Nh7 f4 23.c5 +–. cgarcia – smeserkhani, net–chess.com, 2001.

3.b5 Nd4?? 4.Bd4+– Nh6 5.e3 Ng4 6.Qg4 Be7 7.Qg7 Rg8 8.Qg8 Bf8 9.Bg7 Ke7 10.Bf8 Qf8 11.Qf8 Kf8 12.Nf3 d5 13.Nc3 Bd7 14.a4 e5 15.Nd5 Re8 16.Nc7 Re7 17.Nd5 Re6 18.Ng5 Rd6 19.c4 Rf6 20.Nf6 Bf5 21.Nfh7 Bh7 22.Nh7 Ke8 23.d4 ed4 24.ed4 f6 25.Nf6 Kd8 26.c5 b6 27.cb6 ab6 28.d5 Ke7 29.Ne4 Kd7 30.Be2 Kc7 31.h4 Kd7 32.h5 Ke7 33.h6 Kf7 34.h7 Kg7 35.h8Q Kg6 36.Qf6 1–0. Fournier,Frederic (1780) – sdfg14 (1770), Active (5/0), 2005.

3.b5 Ne5?? 4.Be5+– d6 5.Bb2 Nh6 6.e3 Qf6 7.Bf6 (7.Bf6 gf6 8.d4+–) 1–0. Fournier,Frederic (1740) – evangelis (1650), Active, 2006.

3.g3 Nb4–/+ 4.c3 Nd5 5.Qc2 b6 6.Bg2 f5 7.Ba3 (better is 7.Bd5 ed5 8.Qf5+=) 7...g6?? (better is 7...Ba3 8.Bd5 ed5 9.Na3 Ne7–/+) 8.c4+/– Ndf6?? (better is 8...Bg7 9.Bb2 Ngf6 10.cd5 Bb7+/–) 9.Ba8 Ne4 (9...Bg7 10.Bg2+–) 10.Bb2 (10.Bf8!? Kf8 11.Be4 fe4 12.Qe4 Kg7+–) 10...Nef6 11.Bd4 Qe7 12.Qc3 c6 13.Nh3 Ba6 14.Qa3 Bc4?? 15.Qa7+– Bh6 16.Qb6 Bg7 17.Qb8 Kf7 18.Na3! Be2 19.Ke2 Bh6 20.Rhb1 Qa3 21.Bb6 Ng4 22.Rb3 Qa4 23.a3 Qe4?? 24.Be3+– Qc4? 25.d3 Qb3?? 26.Qb3 Bg7 27.Ra2 N8f6 28.Rb2 Ra8 29.Qc4 d5 30.Qc6 Ne5 31.Qa8 Nfg4 32.Rb7 (32.Rb7 Nd7 33.Rd7 Kf6 34.Bd4 e5 35.Qc6) 1–0. Robert35 – Conny@, mySchach.de, 2003.

3.a3 a5

4.b5 Na7 5.e3 Nb5?? 6.Bb5+– c6 7.Be2 b5 8.Nf3 Nf6 9.d4 Bd6 10.Nbd2 0–0 11.0–0 h6 12.c4 b4 13.ab4 Bb4 14.Nb3 Ba6 15.Qc2 Qb6 16.c5 Qb7 17.Na5 Nd5 18.Nb7 Bb7 19.Ra8 Ra8 20.Ra1 Rb8 21.Ba3 Ba5 22.Rb1 Nc3 23.Rb2 Kf8 24.Bb4 Bb4 25.Rb4 Nb5 26.Bb5 cb5 27.Rb5 Ke7 28.Qb2 Kd8 29.Rb7 Rb7 30.Qb7 Ke7 31.c6 Kf6 32.cd7 (32.cd7 g6 33.d8Q Kg7 34.Ne5 h5 35.Qf7 Kh6 36.Qg6) 1–0. Fournier,Frederic (1900) – urkore, Active, 2007.

4.b5 Na7 5.e3 b6 6.Nf3 d6 7.Be2 Bd7 8.0–0 (8.c4!?+=) 8...Bb5= 9.Bb5 Nb5 10.Qe2 Qd7 11.Nc3 Nc3 12.Bc3 Nf6 13.d4 (13.Bf6 gf6 14.d4 d5+=) 13...Nd5 (13...d5!?–/+) 14.Bb2 Nf4?? (better is 14...Be7+=) 15.ef4+– Be7 16.c4 0–0 17.Rfe1 d5 18.Ne5 Qd8 19.Rac1 Qe8 (19...Bd6 20.cd5 ed5 21.Qf3+–) 20.Qc2 (20.cd5!? ed5 21.Nc6 Bd6+–) 20...c5 21.dc5 Bc5 22.Nd3 (22.cd5 ed5 23.Ng6 hg6 24.Re8 Rae8+–) 22...Be7? (22...d4+–) 23.cd5 ed5 24.Qc3 Qd7 (24...f6+–) 25.Qg7 1–0. Fournier,Frederic (1945) – vlakix, Active (3/0), 2005.

4.b5 Na7 5.e3 d5 =.

4.b5 Na7 5.e3 Qg5 6.Nf3 Qc5 7.d4 (7.d4 Qh5 8.c4+/–) 1–0. Fournier,Frederic (2015) – azmtsc (1730), Active (5/0), 2004.

3.a3 b6

4.b5 Ne5?? 5.Be5+– Bb7 6.e3 Nf6 7.Nf3 Ne4 8.Be2 Bc5 9.0–0 a6 10.ba6 Ba6 11.Ba6 Ra6 12.d3 Ra4 13.de4 Re4 14.Qd3 Ra4 15.Bd4 e5 16.Bc5 bc5 17.Ne5 Qg5 18.Qd7 Kf8 19.Qf7 1–0. Fournier,Frederic – harrymass, Active (5/0), 2004.

4.e3 Bb7 5.c4 f6 6.f4 Qe7 7.Nf3 0–0–0 8.d4 d6 9.Nbd2 Nh6 10.Be2 Nf5 11.Qb3 h6? 12.0–0 g5 13.e4 Nh4? 14.Nh4+– gh4 15.Bf3 h3 16.g3 h5 17.Rfe1 h4 18.a4 hg3= 19.hg3 Qg7 20.Kh2 Be7 21.a5 Rhg8 22.Rg1 e5 23.d5 Nd4 24.Bd4 ed4 25.ab6 cb6? 26.Qd3 f5 27.Ra7 fe4 28.Ne4 Kb8 29.Raa1 Kc7 30.Rad1 Ra8 31.Rd2 Ra1?? 32.Ra1 Qg3 33.Kh1 h2 34.Rg2 Qf4 35.Rg8 Ba6 36.b5 Bc8 37.Rf1 Bf5 38.Bg2 Be4 39.Qe4 Qf1 40.Bf1 Bh4 (40...Bd8 41.Qh7 Kc8 42.Bh3 Kb8 43.Rd8) 1–0. amator111 (1695) – lekers, kurnik, 2011.

4.e3 Bb7 5.Nf3 Nf6 6.c4 d5 7.cd5 Qd5 8.Nc3 Qd8 9.Be2 Qd7 10.0–0 0–0–0 11.d4 Bd6 12.Bd3 g6 13.Qe2 Ng4 14.h3 Nf6 15.Ba6 Nb8 16.Bb7 Kb7 17.b5 h5 18.a4 Bb4 19.Rfc1 (19.Ne5 Qe7 20.Qf3 Kc8+–) 19...Bc3 20.Rc3 Ne4 21.Rc2 g5 22.Rac1 Rc8 23.Ne5 Qd6?? (23...Qe8+–) 24.f3 (24.Nf7 Qd5 25.Nh8 Rh8 26.Rc7 Ka8+–) 24...f6 (24...Ng3 25.Qf2 Nf5 26.Nf7 Qd7 27.Nh8 Rh8 28.Rc7 Qc7 29.Rc7 Kc7 30.Qc2 Kd7+–) 25.Nf7 (25.fe4?! fe5 26.a5 ed4 27.ed4 g4 28.ab6 ab6+/–) 25...Qe7 26.Nh8 (26.fe4?! Qf7 27.a5 g4+–) 26...Ng3 27.Qf2 h4 28.Ng6 (better is 28.f4 Rh8 29.Qf3 c6 30.bc6 Kc7 31.fg5+–) 28...Qd6 29.Rc3 c6 30.Ba3 Qd7 31.bc6 Rc6 32.Qc2 Rc3–+ 33.Qc3 Ne2 34.Kf2 Nc3 35.Rc3 Qa4 36.Bb2 Nc6 37.Nf8 Qa2 38.Rc2 Nb4 39.Re2 Nd3 40.Kg1 Nb2 41.Kh2 Qb1 42.Ne6 Nd3 43.Nd8 Ka6 44.Ne6 Qf1 45.Ra2 Kb7 46.Nd8 Ka8 47.Nc6 a5 48.e4 Qe1 49.d5 Qg3 50.Kg1 Ne5 51.Ne5 Qe5 52.Kf1 Kb7 53.Rc2 Qd4 54.Ke2 b5 55.Rc6 b4 56.Rc1 Qb2 57.Kd1 a4 58.d6 Qd4 59.Ke2 Qd6 60.Rd1 Qa6 61.Kf2 a3 0–1. Fournier,Frederic (1755) – jorgex, Active, 2006.

4.Nf3 Bb7 5.e3 Qe7 6.d4 0–0–0 7.c4 d6 8.Nbd2 h5 9.Qb3 h4 10.h3 Nf6 11.a4 a5 12.b5 Na7 13.Rc1 Qe8 14.Be2 Rg8 15.Nh4 g5 16.Nhf3 g4 17.hg4 Ng4 18.g3 f5 19.Ba3 Kb8 20.c5 dc5 21.dc5 Rc8? 22.c6 Ba8 23.Bc4 Ba3 24.Qa3 e5? 25.Bg8 Qg8 26.Nh4 f4 27.ef4 ef4 28.Kf1 fg3 29.Qg3 Rf8 30.f3 Ne3 31.Kf2 Ng4 32.Kg2 Ne3 33.Kh2 Qa2 34.Rcd1?? Qa4?? 35.Rhg1?? Nd1 36.Rd1 Qd1 37.Ne4 Qe2 38.Kh3 Rc8 39.Nf2 Qb5 40.Kg2 Qc6 41.Nf5 Qf3! 42.Qf3 Bf3 43.Kf3 a4 44.Ke4 b5 45.Nd3 Kb7 46.Ne3 c6 47.Nc5 Kb6 48.Ne6 Ka5 49.Kf5 b4 50.Nc2 a3 0–1. futsalboy (1665) – saab78 (1675), kurnik, 2011.

4.Nf3 Bb7 5.g3 Nf6 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Nc6).

4.Nf3 Nf6 5.g3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Nc6).

3.a3 Nf6

4.e3 Be7 5.Nf3 0–0 6.Bc4 d5 7.Bb3 Bd6 8.0–0 a6 9.d3 a5 10.b5 Na7 11.a4 c6 12.bc6 Nc6 13.c3 Qe7 14.Nbd2 Qc7 15.Re1 e5 16.Qc2 Bg4 17.e4 d4?? (better is 17...de4 18.de4 Rad8+=) 18.cd4+/– ed4? (18...Bf3 A) worse is 19.gf3 ed4 (19...Nd4?! 20.Qc7 Bc7 21.f4=) 20.Nf1 Rac8+=; B) 19.Nf3 ed4 20.e5 (20.Bd4?! Nd4 21.Nd4 Bh2 22.Kh1 Qd7=) 20...Ne5 21.Ne5 Be5 22.Qc7 Bc7 23.Bd4+/–) 19.h3?? (better is 19.e5 Bf3 20.ed6 (20.Nf3?! Ne5 21.Ne5 Be5+/–) 20...Qd6 21.Nf3+– (21.gf3?! Qf4 22.Bc4 Rfe8+/–)) 19...Bf3+= 20.Nf3 (worse is 20.gf3 Qd7 21.Nc4 Bb4–+) 20...Bb4 21.Re2 Rfe8 22.e5 Rac8?? 23.ef6+– Re2 24.Qe2 Rd8 25.fg7 Qd7 26.Rc1 Re8 27.Qd1 Qf5 28.Nh4 Qe5 29.Qg4 Bd2 30.Rd1 Bb4 31.Nf5 Bc3 32.Bc3 dc3 33.Nh6 1–0. pieeater – Tonyone, ChessWorld.net, 2011.

4.e3 h5 5.d4 Ne4 6.Bd3 f5 7.Nd2 d5 8.c4 g5 (8...Qg5 9.g3+=) 9.Ngf3 (9.Ne4!? fe4 10.Be2+/–) 9...g4+= 10.Ne5 Ne5 11.de5 dc4 12.Nc4 c5? (better is 12...Qd5+=) 13.Be4+– Qd1 14.Rd1 fe4 15.Nd6 Bd6 16.ed6 (16.Rd6?! cb4 17.ab4 a5+=) 16...Bd7?? (better is 16...Rg8 17.bc5 Bd7+–) 17.Bh8 cb4 18.ab4 a5 19.ba5 Ra5 20.0–0 b5 21.Rb1 Ra4 22.Rfd1 b4 23.Rd4 Kf7 24.Rdb4 Ra3 25.Be5 h4 26.Rb7 Ke8 27.Rb8 Kf7 28.R1b7 Ra1 29.Ba1 (29.Ba1 Kg6 30.Rd7 e5 31.Rg8 Kf5 32.Re7 h3 33.Re5 Kf6 34.Ree8 Kf5 35.Bh8 hg2 36.Re5) 1–0. Fournier,Frederic – Jahr, Active, 2007.

4.Nf3 b5 5.e3 a6 6.c4 bc4 7.Bc4 Bb7 8.0–0 d5 9.Be2 Bd6 10.d4 0–0 11.Nbd2 Ne7 12.Ne5 Ng6 (12...a5 13.b5=) 13.Nb3+/– Qb8 14.Qc2 Ne4? (better is 14...Be5 15.de5 Nd7+/–) 15.Nd7+– Qe8 16.Nf8 Qf8 17.f3 Nf6 18.Bd3 Bc8 19.Nc5 Bc5 20.bc5 c6 21.Bc3 Bd7 (21...Nd7 22.Bg6 fg6 23.Qa4+–) 22.Rab1 a5 23.Rb7 Qc8 24.Rfb1 Be8 (24...Qd8 25.Qb2 Bc8 26.Rb8 Rb8 27.Qb8+–) 25.Ba5! Ra5 26.Rb8 (26.Rb8 Qc7 27.R1b7 Qb7 28.Rb7 Ra3 29.Bg6 hg6 30.Kf2+–) 1–0. Fritz 11 – pc4fun, internet, 2013.

4.Nf3 Be7 5.e3 d5 6.d4 Bd7 7.c4 dc4 8.Bc4 a6 9.0–0 b5 10.Bd3 0–0 11.Nbd2 Ng4 12.Rc1 f5 13.Qe2 Na7 14.Rc2 Bc8 15.Rfc1 c6 16.h3 Nf6 17.Ne5 Bb7 18.f3 Nd5 19.Nb3 Qb8? 20.f4 Bf6? 21.Nd7+– Qc7 22.Nf8 Rf8 23.Nc5 Re8 24.g4 fg4 25.hg4 Qf7 26.Rf1 Bc8 27.g5 Be7 28.Bc1 Bc5 29.bc5 b4 30.ab4 Nb4 31.Rc3 Nd3 32.Rd3 g6 33.Qf3 Bd7 34.Kg2 Nb5 35.Rh1 Qf5 36.e4 Qf7 37.Kg3 a5 38.Qd1 Ra8 39.Qa4 Qe8 40.Be3 Nc7 41.Rd2 Qf7 42.Rdh2 Nb5 43.Rh7 Qh7 44.Rh7 Kh7 45.Kf3 Kg7 46.Bc1 1–0. futsalboy (1755) – saab78 (1630), kurnik, 2011.

3.b5 Na5

4.Bc3 c6 5.bc6 bc6 6.Nf3 Ba6 7.e3 Qb6 8.Ba6 Qa6 9.Qe2 Nc4 10.Ne5+= Ba3?? 11.Nc4+– d5 12.Nd6! Kd7 13.Qa6 Rb8 14.Qa7 Kd8 15.Ba5 (15.Ba5 Rb6 16.Bb6#) 1–0. Trkn – Leifern, itsyourturn.com, 2001.

4.d3 b6 5.c4 Bb7 6.e4 Nf6 7.e5 Ng8 8.Nf3 g6 9.Be2 Bg7 10.0–0 Ne7 11.Ng5 d5 12.cd5 Bd5 13.Bf3 Bf3 14.Qf3 Rb8?? 15.Qf7+– Kd7 16.Qe6 Ke8 17.Qf7 Kd7 18.e6 Kc8 19.Bg7 Re8 20.Nh7 Qd3 21.Qe8 Kb7 22.Qe7 Nc4 23.Na3 Na3 24.Be5 Nb5 25.Nf6 Qc4 26.Rfc1 Qa2 27.Ra2 Rc8 28.Nd7 a6 29.Nb6! Kb6 30.Qc5 Kb7 31.Qc6 Kb8 32.Ra6 Na7 33.Rb1 Nb5 (34.Rb5). tromar (1745) – HONEYMONSTER3, GameColony.com, 2002.

4.e3 b6 5.Nf3 c6 6.Nc3 d6 7.Be2 Nf6 8.0–0 c5 9.d3 Bb7 10.e4 g6 11.Qd2 Bg7 12.Qf4 0–0 13.Rae1 e5 14.Qh4 Nh5 15.Qd8 Rad8 16.g3 Bc8 17.Nh4 Be6 18.Bh5+/– gh5 19.Nd5 Bd5 20.ed5 Nb7 21.Nf5 f6 22.f4 ef4 23.Rf4 Rde8 24.Rfe4 Re4 25.Re4 c4 26.Rc4 Nc5 27.Rf4 Re8 28.Kf1 Nd7 29.Nd6 1–0. b4_player (2175) – newgelh, GameColony.com, 2004.

4.e3 b6 5.Nf3 c6 6.c4 cb5 7.cb5 Bc5?? 8.Bg7+– f6 9.Bh8 Nh6 10.Nh4 Ke7 11.Qf3 Bb7 (11...Bb7 12.Qf6 Ke8 13.Qh6 Qe7+–; 11...Qh8 12.Qa8 a6 13.ba6+–) 1–0. Kuroro Lucifer – vulpo, ChessWorld.net, 2005.

4.e3 b6 5.Nf3 Nf6 6.Be2 Nd5 7.Nc3 Bb4 8.Nd5+/– ed5 9.Bg7 Rg8 10.Bc3 Bc3 11.dc3 c6 12.0–0 cb5 13.Qd5 Bb7 14.Qf5 Bf3 15.Bf3 Nc4?? 16.Qe4 Kf8 17.Qa8 Qa8 18.Ba8 Nd2 19.Rfd1 Nc4 20.Rd7 Ne5 21.Ra7 Kg7 22.Bd5 Ng4 23.Bf7 Rf8 24.Bh5 Kh6 25.Bg4 Rd8 26.Rd1 Rd1 27.Bd1 Kg5 28.Rh7 Kf5 29.Rh6 b4 30.g4 Kg5 31.Rb6 b3 32.f4 Kh4 33.Rh6# 1–0. pierre – vikkey, internet, 2008.

4.e3 Nc4?? 5.d3 Nb2–+ 6.Qh5 Nf6 7.Qf3 d5 8.e4 de4 9.de4 Bb4 10.Nc3 Qd4 11.Nge2 Qe5 12.Rb1 (12.Rb1 Ne4 13.Rb2 Bc3 14.Nc3 Ng3 15.Qe3 Qe3 16.fe3 Nh1 17.Be2–+). surftimm – Robama, playchess.de, 2001.

4.e3 c6 5.c4 a6 6.a4 b6 7.Nc3 Bb7 8.Nf3 Nf6 9.Be2 Bb4 10.0–0 Bc3 11.Bc3 h6 12.Qc2 0–0 13.d4 c5 14.dc5 bc5 15.Qb2 d6 16.Rfd1 Rb8 17.Bf6 gf6 18.Rab1 Bf3 19.Bf3 Nc4 20.Qc3 ab5 21.ab5 Ne5 22.Be2 Kg7 23.f4 Ng6 24.Rb2 Qb6 25.Rbd2 d5 26.Ra1 Ra8 27.Rda2 Ra2 28.Ra2 c4 29.Bc4?? dc4–+ 30.Qc4 Rb8 31.Kf2 e5 32.Ra6 Qb5 (32...Qb5 33.Qb5 Rb5–+) 0–1. Fournier,Frederic (2040) – cucho90 (2005), Active, 2004.

4.e3 d5 (--> 1.b4 d5 2.Bb2 Nc6 3.b5 Na5 4.e3 e6).

4.e3 Nf6 (--> 1.b4 Nf6 2.Bb2 Nc6 3.b5 Na5 4.e3 e6).

4.e4 b6 5.c4 Bb7 6.Nc3 Nf6 7.d3 Bb4 8.Nf3 c6 9.a3 Bc3 10.Bc3 cb5 11.e5 Ng4 12.h3 Nh6 13.cb5 a6 14.Ba5 ba5 15.d4 ab5 16.Bb5 Qb6 17.Rb1 Bc6 18.Bd3 Qc7 19.0–0 a4 20.Ng5 Qa5 21.Qc2 Nf5 22.Bf5 ef5 23.Qf5 Bd5?? 24.e6!+– Be6 25.Ne6 Qf5 26.Ng7 Kd8 27.Nf5 (27...Re8 28.Nd6+–) 1–0. Wall,Bill – Spirant, Internet, 2004.

4.e4 Bc5?? 5.Bg7+– Qh4 6.Qf3 d5 7.Bh8 de4 8.Qg3 Qg3 9.hg3 c6 10.Rh7 a6 11.ba6 ba6 12.Nc3 Rb8 13.Ne4 Bb4 14.Be5 Rb5 15.Bb5 ab5 16.Rh8 Nc4 17.Nf6 Kd8 18.Rg8 Ke7 (18...Bf8 19.Rf8 Ke7 20.Re8) 1–0. Woschkat,Karl_Heinz – VHopffgarten,Clemens, remoteschach.de, 2002.

4.e4 d5 5.Qf3 =.

4.e4 Qh4 5.Nc3 Bb4 6.Nf3 Qg4 7.a3 Bc3 8.Bc3+/– Qe4? 9.Be2+– Nc4? 10.Bg7 (10...Ne5 11.Be5+– (11.Ne5?! Qg2 12.Bh8 Qh1 13.Bf1 Qh2+–)) 1–0. Wall,Bill – GaryY, Internet, 2002.

4.Nf3 c6 5.a4 cb5 6.ab5 Nc4 7.Bd4 b6 8.e4+/– Bb7?? 9.Bc4+– Be4 10.0–0 Nf6 11.Nc3 Bb7 12.Re1 d5 13.Bd3 Bd6 14.Ra4 0–0 15.Qe2 Bc8 16.Rea1 h5 17.Bf6 Qf6 18.Ne4! Qe7 19.Nd6 Qd6 20.Ne5 f6 21.Qh5 (21.Qh5 f5 22.Re1+–) 1–0. marekt (1815) – redwing777, internet, 2005.

4.Nf3 c6 5.a4 d5 6.e3 cb5 7.ab5 g5 8.Be2 g4 9.Ne5 Nh6 10.Ng4 f5 11.Nf6 Ke7 12.0–0 b6 13.Nd5 ed5 14.Bh8 Nf7 15.Bb2 Nd6 16.Nc3 Nac4 17.Bc1 Be6 18.Bf3 Ke8 19.Ba3 Qd7 20.Nd5 Nb5 21.Nf6 Kd8 22.Nd7 Kd7 23.Ba8 Nba3 24.d3 Ne5 25.f4 Ng4 26.Qf3 (26.h3?? Ne3) 26...Nc2 27.Rac1 Nce3 28.Qc6 Ke7 29.Rfe1 Bd7 30.Qc7 Ke6 31.h3 Nf6 32.Re3 Kf7 33.Bc6 Bc5 34.Rc5! bc5 35.Bd7 Nd7 36.Qd7 Kg6 37.Re6# 1–0. Trkn – I's, itsyourturn.com, 2000.

4.Nf3 d5 5.e3 Nf6 6.Be2 Bd6 7.Nc3 0–0 8.0–0 c6 9.d4 c5 10.dc5 Bc5 11.a4 Nc4 12.Bc4 dc4 13.Ne5 Qd1 14.Rad1 a6 15.Nc4 ab5 16.Nb5 Ra4 17.Bf6 Rc4 18.Bd4 Bd4 19.Rd4 Rc2 20.Rfd1 b6 21.Nd6 Ba6 22.Ne4 f5 23.Ng5 Be2 24.R1d2 Rd2 25.Rd2 Ba6 26.Ne6 Rb8 27.Rb2 Bc4 28.Nd4 Ra8 29.h4 Bd5 30.Kh2 (1–0 on time). TriAngel – jcervant, ICC 1999.

4.Nf3 Nf6 5.e3 Ne4 6.d3 Be7??+– 7.de4 Bd6 8.Qd2 Be7 9.Qa5 b6 10.Qc3 Bf6 11.e5 Be7 12.Ba3 Bc5 13.Bc5 bc5 14.Qc5 Qe7 15.Qc7 Qd8 16.Qd8 Kd8 17.Bd3 Bb7 18.Nbd2 d5 19.ed6 Kd7 20.Be4 Rab8 21.Bb7 Rb7 22.c4 Kd6 23.0–0 f5 24.a4 e5 25.Rfd1 Ke7 26.Ne5 Ke6 27.Ndf3 h6 28.Nc6 Rd7 29.Rd7 Kd7 30.Rd1 Ke6 31.Na7 g5 32.c5 Rh7 33.Rd6 1–0. Trkn – POPPABEAR1, itsyourturn.com, 2001.

3.b5 Nb4??

4.c4 a6 5.a3 ab5 6.ab4 Ra1 7.Ba1 bc4 8.Qa4 Bd6?? 9.Bg7+– Qe7 10.Bh8 Bb4 11.e4 Qd6 12.Bc4 c6 13.e5 Qd4 14.Qb4 (14...b5 15.Na3+–) 1–0. market (2155) – IMOO (1770), GameColony.com, 2002.

4.c4 Nf6 5.a3 Nc6 6.bc6 bc6 7.Nc3 Ba6 8.e4 Bc5 9.e5 Ng8 10.Nf3 d6 11.Qa4 Bb7 12.Ne4 Bb6 13.ed6 cd6 14.Bg7 d5 15.cd5 ed5 16.Ng3 Qe7 17.Be2 Nf6 18.Bh8 0–0–0 19.Bf6 Qf6 20.Rc1 d4 21.Ba6 Qe7 22.Kd1 d3 23.Re1 Qd6 24.Rc6 Qc6 25.Qc6 1–0. mrkt (2490) – barryburn29223, ChessWorld.net, 2003.

4.e4+– Bc5 5.a3 1–0. Wall,Bill – Stauffer,Ken, San Antonio, 1994.

4.e4+– Bc5 5.Nf3 Nf6 6.d4 Ne4 7.dc5 c6 8.c3 Nd5 9.Qc2 Nef6 10.Bd3 Nh5 11.Nbd2 Ndf4 12.0–0–0 Nd3 13.Qd3 Nf4 14.Qe4 Ng2 15.Rhg1 f5 16.Qd4 Nh4 17.Nh4 Qf6 18.Rg7 e5 19.Re1 Qg7 20.Re5 Kf7 21.Re7 Ke7 22.Qg7 Ke6 23.c4 d6 24.Qf6 Kd7 25.Nf5 cb5 26.Qd6 Ke8 27.Qe7# 1–0. Roczniak – Polkowski, corr Poland 1968–69.

4.e4+– c6? 5.a3+– Na6 6.ba6 ba6 7.Nf3 Rb8 8.Qc1 Qa5 9.Bc3 Qg5 10.Ng5 h6 11.Nf3 c5 12.d4 cd4 13.Bd4 Bb7 14.Qb2 Bd6 15.Ba7 Rc8 16.Qb7 Rd8 17.Nc3 Nf6 18.e5 Ng4 19.ed6 0–0 20.Ba6 Rb8 21.Bb8 Nf6 22.Ne5 g6 23.0–0 g5 24.f4 gf4 25.Rf4 Nh5 26.Rg4 Ng7 27.Rf1 f5 28.Ng6 Rf6 29.Qc8 Kh7 30.Nf8 Kg8 31.Nd7 Kf7 32.Qf8 (32.Ne5) 1–0. kamera – karthikhome, GameColony.com, 2002.

4.e4 c6 5.a3 cb5 6.ab4 Bb4 7.Bg7 Ne7 8.Bh8 Ng6 9.Bd4 e5 10.Be3 d5 11.Qf3 Qc7 12.Bb5 Bd7 13.Bd7 Qd7 14.ed5 Qc7 15.Qe4 0–0–0 16.Qb4 Qc2 17.Ra7 Qc1 18.Ke2 Rd5 19.Qb7 Kd8 20.Ra8 Qc8 21.Rc8# 1–0. usingprogram – tomukas225, kurnik, 2011.

4.e4+– c6? 5.a3+– Nf6 6.ab4 Ne4 7.Bd4 +–.

4.e4+– Be7 5.a3 Nc2 6.Qc2 d5?? 7.Bg7 Bf6 8.Bh8 Bh8 9.Nc3 de4 10.Rc1 a6 11.Ne4 ab5 12.Bb5 Bd7 13.a4 Rc8 14.Nd6! cd6 15.Qc8 Bb2 16.Bd7! Kf8 (=resign) 17.Qd8 Kg7 18.Rc8 Bf6 19.Qg8 Kh6 20.Be6 fe6 21.Qe6 Kg7 22.Rg8 Kh6 23.Qf6 Kh5 24.g4# 1–0. mtr – tomppa, Caissa's Web, 2001.

4.e4 Qh4 5.d3 a6 6.Nf3 Qf4 7.a3 Nc2? 8.Qc2 b6 9.Be5 Qh6 10.Qc7 Bc5 11.Nc3 Ba3 12.Bf4 g5 13.Bg5 Qf8 14.Qd8# 1–0. wiking – cass, internet, 2009.

4.e4+– Qh4 5.d3 Qg5 +–.

4.a3 Nd5

5.c4 Nb6 6.e3 Nf6 7.d4 Nc4? 8.Bc4+– d5 9.Bd3 b6 10.Nf3 Bd6 11.0–0 Ng4 12.h3 Nh6 13.Nbd2 a6 14.e4 de4 15.Ne4 f6 16.Re1 e5 17.de5 Be7 18.ef6 gf6 19.Nf6 Kf8 20.Be4 Bf6 21.Bf6 Qf6 22.Ba8 Kg7 23.Rc1 Rd8 24.Rc7 Nf7 25.Qb3 ab5 26.Ree7 Rf8 27.Bd5 Bh3 28.Rf7 Rf7 29.Rf7 (29.Rf7 Qf7 30.Bf7+–) 1–0. phildo (2065) – waloon, net–chess.com, 2004.

5.c4 Ndf6 6.d4 c5 7.Nf3 cd4 8.Bd4 d5 9.c5 b6 10.c6 Qc7 11.Be5 Bd6 12.Qd4 Ne7 13.Bf6 gf6 14.Qf6 Rf8 15.e3 a6 16.Nbd2 ab5 17.Bb5 Ra5 18.a4 Nc6 19.Bc6 Qc6=+ 20.0–0 Be7 21.Qd4 Bc5 22.Qh4 Be7 23.Nd4 Qd7 24.Qh7= Ra4 25.Ra4 Qa4 26.Qd3?? Ba6–+ 27.Qc3 Bf1 28.Qc8 Bd8 29.Nc6 Qc6?? 30.Qc6+– Ke7 31.Kf1 Re8 32.Nf3 Kf8 33.Ne5 Be7 34.Nd7 Kg7 35.Qc3 Kg8 36.Nf6 Bf6 37.Qf6 b5 38.h4 b4 39.h5 e5 40.h6 Re6 41.Qg7 1–0. iczker – j199, kurnik, 2011.

5.e3 Ndf6 6.Nf3 Bc5 7.Be2 b6 8.0–0 Bb7 9.d4 Bd6 10.c4 Ne4 11.Nbd2 Qf6 12.Qc2 Ng5 13.Ne5 Be5 14.de5 Qh6 15.Nf3 Ne7 16.Ng5+= Qg5 17.Qd1?? Qg2# 0–1. OPA – Gramps, caissa.com, 2004.

5.e4 Nb6 6.a4 d5 7.a5 Nc4 8.Bc4+/– dc4 9.Nf3 Ne7 10.0–0 Bd7 11.Qe2 Bb5 12.Na3 Ba6 13.Nc4 Ng6 14.g3 Bc5 15.d4 0–0?? 16.dc5+– 1–0. pierre – popork, internet, 2010.

5.e4 Nb6 6.c4 c6?? 7.c5!+– Nc4 8.Bc4 cb5 9.Bb5 a6 10.Ba4 b5 11.cb6 Rb8 12.Qc2 Rb6 13.Nc3 Nf6 14.e5 Ng4 15.Nf3 Bb7 16.Nd4 Bg2+/– 17.Rg1 Bh3?? 18.Rg3+– Bc5 19.0–0–0 Nf2 20.Bd7?? Qd7–+ 21.Nb3 Nd1 22.Qd1 Bf2 23.Na4?? Rc6 24.Bc3 Bg3 25.Nac5 Bh2 26.Nd7=+ Kd7 27.Qf3 Rd6?? 28.Qf7 Kc6 29.ed6 Bd6 30.Nd4 Kd5 31.Qb7 Ke5+– 32.Nb5 Kf5 33.Nd6 Kf4 34.Qf7 Kg5 35.Qg7 Kf4 36.Be5 Kf3 (37.Qg3 Ke2 38.Qe3 Kf1 39.Qh3 Ke1 40.Bg3 Ke2 41.Qg2 Kd3 2.Qe4). kamera – karthikhome, GameColony.com, 2002.

5.e4 Nb6 6.Nf3 =.

5.e4 Nf4 6.Nf3 Nf6 7.e5 Ne4 8.g3 Nd5 9.c4 Nb6 10.Qc2 Nc5? 11.d4+– Nca4 12.c5 Nb2 13.cb6 cb6 14.Qb2 Be7 15.Bd3 Qc7 16.0–0 d6 17.Rc1 Qd7 18.Nbd2 d5 19.Nb3 a5 20.Qc2 a4 21.Nbd2 0–0 22.Bh7 Kh8 23.Bd3 f5 24.Nf1 g5 25.Kg2 g4 26.N3d2 Qe8 27.Qc7 Bg5 28.Qb6 Qh5 29.Kg1 f4 30.Rc7 fg3 31.Ng3 Qh3 32.Qc5 Kg8 33.Bh7 (33.Bh7 Qh7 34.Rh7 Kh7 35.Qf8+–) 1–0. Wall,Bill – Genis, internet, 2005.

5.e4 Nf4 6.g3 Ng6 7.Nf3 h6 8.Bd4 b6 9.Nc3 Bb7 10.e5 N8e7 11.Bd3= Nd5 12.Ne4 Be7?? 13.c4+– Ngf4 14.gf4 Nf4 15.Bc2 h5 16.Rg1 g6 17.Be3 Nh3 18.Rg3 Ng5 19.Bg5 Bg5 20.Nfg5 h4 21.Rg4 Qe7 22.Nf6 Kd8 23.Rd4 d6 24.Nfe4 Be4 25.Ne4 g5 26.Qf3 Kd7 27.Nd6! cd6 28.Qc6 Kd8 29.Qa8 Kd7 30.Qh8 (30.Qh8 d5 31.cd5+–) 1–0. mrkt – krak, internet, 2009.

5.e4 Nf4 6.g3 Nh5?? 7.Qh5+– Nf6 8.Qf3 Bc5 9.Nc3 c6 10.e5 Nd5 11.Nh3 Nc3 12.Bc3 0–0 13.Bd3 cb5 14.Bh7! Kh7 15.Qh5 Kg8 16.Ng5 f6 17.Qh7# 1–0. pereira – txfck, internet, 2009.

5.e4 Ndf6 6.e5 Nd5 7.d4 d6 8.c4 Nb6 9.Nf3 Na4?? 10.Qa4+– Bd7 11.Bd3 a6 12.Qb3 Ne7 13.Nc3 ab5 14.cb5 c6 15.0–0 d5 16.a4 Ng6 17.Bg6 hg6 18.b6 Ra6 19.a5 g5 20.Ne2 g4 21.Nd2 Qh4 22.Qg3 f5 23.Qh4 Rh4 24.g3 Rh8 25.Nf4 Bb4 26.Nb3 Be7 27.Ng6 Rh6 28.Ne7 Ke7 29.Nc5 Ra8 30.Kg2 Rah8 31.Rh1 Be8 32.Nb7 g5 33.a6 Bd7 34.Nc5 Bc8 35.a7 f4 36.a8Q fg3 37.Ra7 (37.Ra7 Kd8 38.Rd7 Ke8 39.Qc8) 1–0. akadawn – madidog, ChessWorld.net, 2005.

5.e4 Ndf6 6.Nf3 Ne4=+ 7.Be2 Ngf6 8.0–0 b6 9.d3 Nd6 10.Ne5 Bb7 11.Bf3 Qe7 12.Bb7= Nb7 13.Qf3 0–0–0 14.Nc3 d6?? 15.Nc6+– Qd7 16.Na7 Kb8 17.Nc6 Ka8 18.Ne4 Ne4 19.Qe4 Rc8 20.Qa4 Na5 21.Na5 ba5 22.Qa5 Kb7 23.Qa6 Kb8 24.Bd4 c5 25.bc6! Qc7 26.Rab1 Qb7 27.Qb7# (27.Rb7#) 1–0. pereira – jula, internet, 2009.

4.e4 d5+–

5.a3 Nc2 6.Qc2 d4 7.Nf3 b6 8.Nd4 Bb7 9.Nc6 Qg5 10.Be5 Bd6 11.f4 Qh4 12.g3 Qh6 13.Be2 Ne7 14.Bd6 cd6 15.Ne7 Ke7 16.Qc7 Kf6 17.e5 de5 18.fe5 Kg6 19.Bd3 Kg5 20.h4 Kg4 21.Qb7 1–0. Pietrzak,Wojciech – Pietrzak,Bogdan, Mielec, 2000.

5.a3 Nc2 6.Qc2 de4 7.Nc3 +–.

5.a3 Nc2 6.Qc2 Qh4 7.ed5 ed5 8.Nf3 Qe7 9.Be2 Bg4 10.Nd4 Be2 11.Ne2 Nh6 12.Bd4 Ng4 13.Nbc3 Ne5 14.Nd5 Qd6 15.Nc7 Kd7 16.Na8 Be7 17.Be5 Qe5 18.Qd3 Bd6 19.Qh3 f5 20.f4 Qa1+/– 21.Kf2 Qh1? 22.Qf5 Ke7 23.Qe4 Kd7 24.Qb7 Ke6 25.Qe4 Kd7 26.Qb7 Ke6 27.Nd4 Kf6 28.Qa7 Re8?? 29.Nf3+– Re7 30.Qd4 Kf7 31.Ng5 Kf8 (32.Qd6 Qe1 33.Kf3 h6 34.Ne6 Qe6 35.Qe6 Re6+–). kamera – gadget27, GameColony.com, 2002.

5.a3 de4 6.ab4 Qd4?? 7.Bd4 Bd7 8.c4 Bb4 9.Bg7 Ne7 10.Bh8 0–0–0 11.Bf6. Fournier,Frederic – jjak, rated standard game (8/12), 2002.

5.a3 de4 6.ab4 Nf6 7.Ra4 +–.

3.b5 Nb8

4.c4 c6 5.a4 cb5 6.ab5 d5 7.e3 Nf6 8.Nf3 Be7 9.Be2 0–0 10.0–0 dc4 11.Bc4 b6 12.d4 Bb7 13.Nbd2 Nbd7 14.Qb3 Rc8 15.Ba3 Bd5 16.Be7+/– Qe7 17.Ra7 Qd6 18.Bd5 Nd5 19.Ne4 Qe7 20.Qa3 Qa3 21.Ra3 Rc2 22.Nd6 Rb2 23.Ra7 N7f6 24.Ne5 Ne4?? 25.Ndf7 Nd2 26.Rc1 Rb5 27.Ng5 Re8?? 28.e4 Nf4 29.g3?? Ne2–+ 30.Kg2 Nc1 31.f4 Rb2 32.Kh3 h6 33.Ne6 Re6 34.d5 Re8 35.d6 Ne4 36.d7 Rd8 37.Nc6 Nf2 38.Kh4 Rd7! 39.Rd7 b5 40.Kh5 Kh7 41.Ne7 Ne4 42.Nf5 Rh2 43.Kg4–+ Nf6 44.Kf3 Nd7 0–1. carocan (1780) – kami222 (1745), kurnik, 2011.

4.e3 Nf6 5.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nc6 3.b5 Nb8 4.e3 Nf6 5.Nf3 e6).

4.e3 Nf6 5.f4 Be7 6.Nf3 Nd5 7.c4 Nf6 8.Be2 d5 9.0–0 0–0 10.cd5 Nd5 11.Nc3 Nc3 12.Bc3 c6 13.a4 cb5 14.ab5 Nd7 15.d4 Nf6 16.Ne5 Ne4 17.Bb2 Bd7 18.Bf3 Nf6?? 19.Qb3 Nd5 20.e4 Nf4= 21.d5 ed5 22.ed5 Bf6 23.Be4 Ng6 24.Ba3?? Ne5 25.Bf8 Qf8 26.Qh3 Ng6 27.Qd7 Ba1 28.d6 Bf6 29.Qb7 Ne5 30.Qa8+– Qa8 31.Ba8 Nd7 32.Bc6 Nb6 33.d7 Kf8 34.Rf6! Nd7 35.Bd7 gf6 36.Bf5 h6 37.Kf2 Ke7 38.Kg3 Kd6 39.Kh4 Kc5 40.Kh5 Kb5 41.Kh6 a5 42.Kg7 a4 43.Kf7 a3 44.Bb1 f5 45.Kf6 f4 46.Kf5 Kb4 47.Kf4 Kc3 48.h4 Kb2–+ 49.h5 a2 50.h6 ab1Q–+ 51.h7 Qh7 52.g4 Qg6 53.g5 Kc3 54.Ke5 Kd3 (54...Kd3 55.Kd5 Qg5 56.Kc6 Kd4 57.Kb7 Kc5 58.Ka7 Qe7 59.Ka6 Kc6 60.Ka5 Qa3) 0–1. elsh1403 – scigany69, kurnik, 2011.

4.e4 c5 5.Nf3 a6 6.Nc3 ab5 7.Bb5+/– Qb6 8.0–0 Nc6 9.Qe2 Nf6 10.e5 Nd5 11.Ne4 Nd4 12.Nd4+/– cd4 13.Qc4 Nf4 14.g3 Ng6 15.Bd4 Ra5?? 16.Qc8 Ke7 17.Qd7# 1–0. pierre – LurZa_boY, internet, 2008.

4.e4 Qg5 5.Nf3 Qf4 6.e5 Qb4 7.Ba3 Qa4 8.Bf8 Kf8 9.Nc3 Qb4 10.Be2 Qb2 11.a3 c6 12.Ra2 (12.Ra2 Qa2 13.Na2 cb5 14.Bb5+–) 1–0. AbstractPoetic – Patchanka, internet, 2007.

3.b5 Nce7

4.Nc3 c6 5.Nf3 a6 6.ba6 ba6 7.Ne4 Bb7?? 8.Nd6# 1–0. jasio – monica, internet, 2011.

4.c4 b6 5.e3 Bb7 6.Nf3 Ng6 7.Be2 Nf6 8.d3 Be7 9.Nbd2 a6 10.a4 d5 11.cd5 ed5 (11...Qd5 12.Rc1 Qd7 13.Ne4=) 12.Nd4 ab5 13.ab5 Ra1 14.Qa1 Qa8 15.Qa8 Ba8 16.0–0 0–0 17.Rc1 Bd8 (17...Bb4 18.N4b3 Ne8 19.Nf3+/–) 18.Bf3 (18.Nf5 Re8+–) 18...Ne5 19.Be2 (19.Ra1 Bb7 20.Ra7 Bc8+/–) 19...Nfd7 (19...Ng6 20.Nf5 Re8+–) 20.N2f3 Nf3 21.Bf3 Nc5 (21...Re8 22.Nc6 Bc6 23.Rc6+/–) 22.Be2 (22.Ba3!? Nd3 23.Rc3 Nc5 24.Bc5 bc5 25.Rc5 Re8+/–) 22...Re8 (22...Bf6 23.h3+=) 23.Kf1 (23.Nf5 g6 24.Ra1 Bb7+/–) 23...Ne6 (better is 23...Bf6!?+=) 24.Ne6+– Re6?? (better is 24...fe6 25.Be5 Re7+/–) 25.Bd4 (better is 25.Ra1 Bb7 26.Ra7+–) 25...c6 26.bc6 Bc6+= 27.Rb1 Re7 28.Bf3 f6 29.Rb2 Kf7 30.Bb6 Rb7 31.Bd4 Rb2 32.Bb2 Bb6 33.Bd4 Bd4+= 34.ed4 Ke6 35.Ke2 f5 36.Kd2 g5 37.g3 g4 38.Bg2 h5 39.h3 Bb5 40.hg4 hg4 41.f3 Bc6 42.fg4 fg4 43.Kc3 Kd6 44.Bf1 Bd7 45.Be2 Bf5? 46.Kd2+– Ke6 47.Ke3 Kf6 48.Kf4 Kg6 49.Bg4 Bd3 50.Ke5 Bc4 51.Be6 Kg5 52.Bd5 Bb5 53.Be6 Bc6 54.Kd6 Bf3 55.g4! Be4 56.Ke5 Bf3 57.Bf5 Bb7 58.d5 Bd5 59.Kd5 Kf6 60.Ke4 Kg5 61.Bd7 Kh6 62.Kf4 Kg6 63.g5 Kf7 64.Kf5 Kg7 65.g6 Kg8 66.Kf6 Kf8 67.g7 Kg8 68.Be6 (68.Be6 Kh7 69.g8Q Kh6 70.Qg6) 1–0. Skaug,Thorbjorn – Forfang,Asmund, NOR–ch Roros, 2002.

4.e3 b6 5.Nf3 Bb7 6.Be2 a6 7.a4 ab5 8.ab5 f6 9.0–0 Ra1 10.Ba1 Qa8 11.Nc3 Nh6 12.Bb2 Nf7 13.d4 g6 14.Qd2 Bg7 15.Ra1 Qb8 16.Bd3 0–0 17.Be4 d5 18.Bd3 c6 19.bc6 Nc6 20.Nb5 Nd6? 21.Nd6 Qd6 22.c4 dc4 23.Bc4 Kh8? 24.Qc2?? Ne7 25.Qb3 Bf3 26.gf3 e5 27.de5 fe5= 28.Rd1 Qf6 29.Be6 Qf3 30.Rd2 Nf5 31.Bf5 Qf5 32.Qb6 Qg5 33.Kf1 Qh4 34.Qd6 Qc4 35.Kg1 Qg4 36.Kf1 Qh4?? 37.Be5+/– Qh6?? 38.Qf8# 1–0. daSplash – windmill, caissa.com, 2004.

4.e3 d5 5.c4 Ng6 6.Nf3 c6 7.a4 Nf6 8.Be2 Bd6 9.0–0 0–0 10.d4 c5 11.Ba3 b6 12.Nbd2 Ne4 13.Ne4 de4 14.Nd2 f5 15.dc5 Bc5 16.Bc5 bc5 17.Nb3 Qe7 18.Qc1 Bb7 19.Qa3 Rac8 20.Rad1 Ne5 21.a5+/– g5 22.a6 Ba8 23.Rd2 f4 24.Rfd1 f3 25.Bf1 Ng4?? 26.g3 Qg7? 27.Nc5+– Qh6 28.h3 Ne5 29.Nd7 Rfe8 30.Ne5 Qf6 31.Ng4 Qg7 32.Rd7 Qg6 33.Ra7 h5 34.Ne5 Qf5 35.Qb2 Rc5 36.Nf3! Qg6 37.Rdd7 ef3 38.Rg7 (38.Rg7 Kf8 39.Qd4 Rd5 40.cd5 Re7 41.Rge7 e5 42.Ra8 Ke7 43.Qa7 Kf6 44.Rf8 Qf7 45.Qf7) 1–0. carocan (1745) – feniksi (1720), kurnik, 2011.

4.e3 d5 5.Nf3 Nf6 6.Be2 Ng6 7.0–0 b6 8.c4 Bd6 9.Nc3 Bb7 10.cd5 ed5 11.d4 0–0 12.a4 Ne4 13.Ne4 de4 14.Nd2 Qh4 15.g3 Qe7 16.Qc2 Rac8 17.Rac1 f5 18.Qb3 Kh8 19.Bc3 c5 20.dc5 Bc5 21.Bd4 Bd4 22.ed4 Qg5 23.Qe3?? (better is 23.Rc8 Rc8 24.Qf7 Qd2 25.Qb7=) 23...f4–+ 24.Qa3 f3 (better is 24...fg3 25.hg3 Qd2 26.Rc8 Rc8–+) 25.Rc8 Rc8 26.Bd1?? (better is 26.Ne4 Be4 27.Bf3 Bf3 28.Qf3–/+) 26...Qd2 27.Qd6 (27.Qe3 Qb4 28.Re1–+) 27...e3 28.fe3 Qg2# 0–1. Neumann,Frank – Bester,Kazimierz, RN–2012–0–00469, 2012.

4.e3 Nd5 5.c4 Ndf6 6.Nf3 Ne7 7.d4 Nf5 8.Bd3 d5 9.Nbd2 Nd6 10.0–0 Be7 11.Qb3 0–0 12.a4 Nfe4 13.Be4 Ne4 14.Rfc1 Nd2 15.Nd2 dc4 16.Nc4 b6 17.Ne5 Bb7 18.Nc6 Qd6?? 19.Ba3+– Qd5 20.Ne7 (20.Ne7 Kh8 21.Nd5 Bd5 22.Qb4+–) 1–0. carocan (1800) – mrut1, kurnik, 2011.

4.e3 Nf6 5.c4 d5 6.Bf6 gf6 7.Nf3 Qd6 8.Nc3 Bd7 9.cd5 Nd5 10.Nd5 Qd5 11.a4 0–0–0 12.Be2 e5 13.0–0 h5 14.d4 e4 15.Nd2 h4 16.Bc4+/– Qg5 17.Ne4 Qg6 18.Bd3 f5 19.Nc5 h3 20.g3 Bc5 21.dc5 c6 22.Qc2 cb5?? 23.ab5 Kb8 24.c6! bc6 25.bc6 Bc6?? 26.Bf5 Qd6 27.Rfb1 Ka8 28.Be4 Rc8 29.Bc6 Rc6?? 30.Qe4 Rf8 31.Rc1 Rfc8 32.Rc6?? Rc6?? 33.Qe8+– Kb7 34.Qf7 Rc7 35.Qf3 Kb6?? 36.Rb1 Ka6 37.Qh5 Qc6+– 38.Qh3 Qc2 39.Qe6 Rc6 40.Qb3 Qb3 41.Rb3 Rc1 42.Kg2 Ra1 43.h4 Ka5 44.h5 Ka4 45.Rb7 a5 46.h6 Rc1 47.h7 Rc8 48.g4 Ka3 49.g5 Ka2 50.g6 a4 51.g7 a3 52.Ra7 Kb2 53.Ra3! Ka3 54.g8Q Rc3 55.h8Q Rb3 56.Qb3! Kb3 57.Qc8 Kb4 58.e4 Kb5 59.e5 Kb4 60.e6 Kb5 61.e7 Kb6 62.e8Q Ka7 63.Qa4 Kb6 64.Qb3 Ka7 65.Qc7 (65.Qc7 Ka6 66.Qd3; 65.Qe3) 1–0. ludice (1715) – shoemakerlevy, kurnik, 2011.

4.e3 Ng6 5.Nf3 Nf6 6.Be2 a6 7.c4 ab5 8.cb5 Be7 9.0–0 0–0 10.a4 c6 11.Nc3 d5 12.Qb3 c5 13.d3 b6 14.Rfd1 Bb7 15.h3 e5 16.Nd2 d4 17.Nce4 Ne4 18.Ne4 Be4 19.de4 Bd6 20.ed4 ed4 21.Bf3 Ne5 22.Bc1 Nf3 23.Qf3=+ Be5 24.Qg4 Qf6 25.f4 Bc7 26.e5 Qg6 27.Qd7 Bd8 28.f5 Qg3 29.Rf1 f6?? 30.Bf4 Qd3?? 31.e6 Qf5 32.e7?? Qd7–+ (32...Qd7 33.ef8Q Kf8–+) 0–1. elsh1403 – saab78 (1675), kurnik, 2011.

4.e3 Ng6 5.f4 Qh4 6.g3 Qe7 7.Nf3 b6 8.Bg2 Bb7 9.0–0 0–0–0 10.a4 h5 11.Ba3 Qf6 12.Nd4 c5? 13.bc6+/– dc6 14.Bf8 Nf8 15.Na3 c5? 16.Ndb5?? Bg2= 17.Kg2 a6 18.Qf3 Kb8 19.Nc3 Rd2–/+ 20.Kg1?? Qc3–+ 21.Rab1 Ka7 22.a5 b5?? 23.Nb5?? ab5–+ 24.Rb5 Rd7?? 25.Qc6+– Qe3 26.Kg2 Qd2= 27.Kh3 Ng6?? 28.Qb6 Ka8 29.Qb8 1–0. elsh1403 – accmaciek, kurnik, 2011.

4.e4 c6 5.c4 cb5 6.cb5 Qb6 7.Nf3 d5 8.Nc3 Nf6 9.e5 Nd7 10.Na4 Qa5 11.Bc3 Qc7 12.Rc1 f6?? 13.ef6+– Nf6? 14.Bf6 Qf4 15.Bg5 Qf5 16.d4 h6 17.Bd2 Qe4 18.Be2 Nf5 19.0–0 Nd4 20.Nd4 Qd4 21.Bh5 Ke7 22.Rc7 Kd6 23.Rf7 e5 24.Qc1 Bd7 25.Qa3 Ke6 26.Qh3 Kd6 27.Rd7 1–0. pierre – inflatedhead, internet, 2008.

4.e4 c6 5.c4 d6 6.Nf3 d5 7.Qc2 Bd7 8.a4 Rc8 9.Ne5 f6 10.Nd7 Qd7 11.d4 Ng6 12.Bd3 Be7 13.ed5 cd5 14.Bg6 hg6 15.Qg6 Kd8 16.c5 Qc7 17.Qg7 Rh4 18.Qg8 Kd7 19.Qg3 Re4 20.Kd2 Rf4 21.Kd3 e5 22.Qh3 f5 23.de5?? Rf8 24.e6 Kd8! 25.Bd4 Bc5 26.Bf6?? Rf6 27.Nc3 Bb4 28.Rhc1 Qc4 29.Kd2 Bc3 30.Rc3 Rf2 31.Kc1 Qf1# 0–1. Trkn – Chess Player, itsyourturn.com, 2001.

4.e4 d5 5.e5 Bd7 6.c4 g6 7.Nf3 a6 8.Nc3 c6 9.Nd4 c5 10.Nb3 Qc7 11.f4. Schiffler.

4.e4 d6 5.Bd3 Bd7 6.Nf3 c5 7.Nc3 g6 8.e5 d5 9.0–0 Bg7 10.Na4 b6 11.c4 d4 12.Be4 Rb8 13.Ng5 h6 14.Nf3+= Qc7 15.d3 Be5= 16.Ne5 Qe5 17.Re1 Qg5 18.Bc1 Qh5 19.Bf3 Qh4?? 20.g3+– Qf6 21.Bf4 (21.Bf4 Nc8 22.Bb8+–) 1–0. pierre – starpratik111, internet, 2008.

4.e4 Ng6 5.g3 b6 6.Bg2 Bb7 7.Ne2 f6 8.0–0 e5 9.d4 d6 10.de5 de5 11.Qd8 Rd8 12.c4 Bd6 13.Rd1 N8e7 14.Bc1 0–0 15.f4?? Bc5–+ 16.Kh1 Rd1 17.Bf1 Rf1 18.Kg2–+ Rf2 19.Kh1 Be4 20.Kg1 Rf4 21.Nd4 Bd4 22.Be3 Be3# 0–1. pierred – v(rus), Rated game, 2003.

4.Nf3 b6 5.e4 Bb7 6.d3 Ng6 7.g3 Bc5?? 8.Bg2?? Nf6= 9.0–0 0–0 10.Nbd2 d6 11.Nb3 e5 12.Nc5 bc5 13.a4 a6 14.c4 ab5 15.cb5 Ng4 16.h3 Nh6 17.Qb3 Kh8 18.Nd2 f5 19.a5 f4 20.a6 Bc8 21.Nc4 fg3 22.fg3+= Rf1 23.Rf1 Be6 24.Qa4 Qd7 25.Kh2 Kg8 26.Ne3 Nf7 27.g4 Nf4=+ 28.Qc2? Ng5?? 29.Nf5 Ng2 30.Qg2 Qb5 31.Ne7 Kh8 32.Qf2 h6 33.h4 Nf7 34.Nd5 Qd3?? 35.Qf3? Qf3–+ 36.Rf3 Ra6 37.Nc7 Ra2 38.Rf2? Bc4 39.Kg3 Kg8 40.Nd5 Bd5 41.ed5 Nd8 42.g5 hg5 43.hg5 g6 44.Bc3 Ra3 45.Rf3 Nf7 46.Bd2 Rf3 47.Kf3 Kg7 48.Kg4 Nd8 49.Ba5 Nb7 50.Bc7 Kf7 51.Kf3 Ke7 0–1. bratek55 (1635) – kostrzanin2, kurnik, 2011.

4.Nf3 c5 5.c4 a5 6.a4 b6 7.e3 d6 8.Be2 Bb7 9.0–0 Nf6 10.d4 cd4 11.ed4 g6 12.Nbd2 Bg7 13.Qb3 Rc8 14.Rac1 0–0 15.Rfd1 Nd7 16.Nf1 d5 17.Ne3 dc4 18.Nc4 Bd5 19.Qa3 Re8 20.Nce5 Nf6 21.Rc8 Qc8 22.Nc6 Nc6–/+ 23.bc6 Qc6 24.Rc1 Qb7 25.Bb5 Rd8 26.Ne1 Ne4 27.f3 Nd6 28.Nd3 Nb5 29.ab5 Bf8 30.Qc3 Qb8 31.Ne5 Bd6 32.h3 f6 33.Nc6 Bc6 34.Qc6 Kf7 35.d5? e5 36.h4 h6 37.h5 g5 38.Qc2 Bc5 39.Kh1 Rd5 40.Qg6 Ke6 41.Qh6 Rd8 42.Qg6 Rh8 43.g4 Qd6 44.Qf5 Ke7–/+ 45.Re1 Qd2 0–1. bratek55 (1675) – niculae1 (1615), kurnik, 2011.

4.Nf3 c6 5.e4 Ng6 6.Be2 Bc5?? 7.Bg7+– f6 8.d4 Bd6 9.0–0 Qe7 10.Bh8 Nh8 11.c4 Bf4 12.Nc3 Ng6 13.Rb1 a6 14.ba6 Ra6 15.c5 e5 16.Ba6 ba6 17.Rb8 Qd8 18.d5 d6 19.cd6 Kd7 20.dc6 Kc6 21.Na4 Qd6 22.Qc2 Kd7 23.Qc8 Ke7 24.Qe8# 1–0. marekt – surfnsuds, internet, 2005.

4.Nf3 d5 5.e3 Nf5 6.c4 b6? (better is 6...Nf6+=) 7.cd5+– Qd5 8.Nc3 Qd8 9.Qc2 Bd6 10.e4 Nh4 11.Nh4 Qh4 12.g3 Qg4 13.Nd5 (13.Be2!? Qg6 14.Bd3 Qh6+/–) 13...ed5+/– 14.Be2 Qg6? (14...Qe4 15.Qe4 de4 16.Bg7 f6 17.Bh8 Ke7+=) 15.Qc6+– Kd8 16.Qa8 Qe4 17.0–0 Nf6 (17...Qe2?? 18.Bg7 Qb5 19.Bh8+–) 18.Rae1 Qf5 19.Bd1 h5 20.h4 Qh3 (20...Qd3+–) 21.Bf3 (21.Qa7?! Bg3 22.fg3 Qg3 23.Kh1 Qh3 24.Kg1 Qg3 25.Kh1 Qh3 26.Kg1 Qg3=) 21...Bg3 (21...Rh6+–) 22.fg3 Qg3 23.Bg2 Ng4 (23...d4 24.Bd4 Ne8+–) 24.Qd5 Bd7 25.Be5 Ne5 26.Re5 Rh6 27.Rf7 Rd6 28.Qa8 1–0. capablancaven (2055) – cothorabar, gameknot.com, 2013.

2.Bb2 d5

(--> 1.b4 d5 2.Bb2 e6).

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

3.a3 Nd7 4.Nf3 Ngf6 5.d4 Be7 6.e3 0–0 7.c4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 Nbd7).

3.a3 f6 (--> 2.Bb2 f6 3.a3 d5).

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

3.a4 f5 4.e3 Nf6 5.b5 c6 6.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

3.b5 Nd7 4.Nf3 Ngf6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.b5 Nbd7).

3.b5 f6 4.e3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f6 4.b5).

3.e3 a6 4.Nf3 Nf6 5.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6 5.Nf3).

3.e3 b6 4.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 d5).

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

3.e3 f6 4.a3 (--> 2.Bb2 f6 3.a3 d5 4.e3).

3.Nf3 a6 (--> 1.b4 d5 2.Bb2 a6 3.Nf3 e6).

3.Nf3 b6 4.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 d5).

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

3.a3 Nf6

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

4.d4 Bd6 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Bd6 5.d4).

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

4.e3 c5 5.bc5 Bc5 6.Nf3 Bd6 7.d4 0–0 8.c4 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.d4 Bd6 8.c4 0–0).

4.e3 c5 5.bc5 Bc5 6.Nf3 Be7 7.d4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.e3).

4.e3 Bd6 5.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3).

4.e3 Be7 5.d4 0–0 6.Nd2 c6 7.c4 Nbd7 8.Ngf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 Nbd7 8.Nbd2).

4.e3 Be7 5.Be2 0–0 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.Be2).

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

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

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

4.Nf3 c5 5.bc5 Bc5 6.e3 0–0 7.Be2 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.Be2 0–0).

4.Nf3 Be7 5.e3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 Be7).

4.Nf3 Be7 5.g3 0–0 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.g3).

3.b5 c5

4.bc6 Nc6 5.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.bc6 Nc6).

4.e3 b6 5.a4 Bb7 6.Nf3 Nd7 7.c4 Ngf6 8.Be2 Bd6 9.0–0 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7).

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

4.e3 Nf6 5.Nf3 Bd6 6.Be2 0–0 7.0–0 Nbd7 8.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0).

3.b5 Nf6

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

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

4.d4 Bd6 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.d4).

4.e3 a5 5.Nf3 Bd6 6.Be2 (--> 1.b4 a5 2.b5 Nf6 3.Nf3 e6 4.Bb2 d5 5.e3 Bd6 6.Be2).

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

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

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

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

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

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

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

4.e3 Bd6 5.Nf3 0–0 6.Be2 Nbd7 7.0–0 c5 8.c4 b6 9.a4 Bb7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7).

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

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

3.e3 c6

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

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

4.c4 f5 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.c4 c6).

3.e3 Nd7

4.c4 c6 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nd7 4.c4 e6).

4.Nf3 Ngf6 5.a3 c5 6.bc5 Bc5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nbd7).

4.Nf3 Ngf6 5.b5 b6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Nbd7 5.Nf3 b6).

4.Nf3 Ngf6 5.b5 b6 6.c4 Bb7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 b6 5.Nf3 Bb7 6.c4 Nbd7).

4.Nf3 Ngf6 5.b5 c5 6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Nbd7 6.Nf3).

3.e3 f5

4.b5 Nf6 5.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3).

4.c4 c6 5.a4 Nf6 6.b5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

4.c4 Nf6 5.b5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3).

4.Nf3 Nf6 5.a3 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3 d5 5.e3).

3.e3 Nf6

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

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

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

4.a3 a5 5.b5 c6 6.Nf3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 a5 6.b5).

4.a3 a5 5.b5 Bd6 6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a5 5.b5 Bd6 6.e3).

4.a3 b6 5.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 b6).

4.a3 c5 5.bc5 Bc5 6.Nf3 0–0 7.c4 Nc6 8.d4 Bd6 9.Nbd2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.d4 Bd6 8.Nbd2 0–0 9.c4).

4.a3 c5 5.bc5 Bc5 6.Nf3 Nbd7 7.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 0–0 7.c4 Nbd7).

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

4.a3 Bd6 5.c4 c6 6.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3 0–0 6.c4 c6).

4.a3 Bd6 5.f4 Nbd7 6.Nf3 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Bd6 5.f4 0–0 6.Nf3 Nbd7).

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

4.a3 Nbd7 5.Nf3 c5 6.bc5 Bc5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nbd7).

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd6 8.Nf3 0–0 9.c4 Nbd7 10.Be2 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3 Bd6 9.c4 0–0 10.Be2 Nbd7).

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Nbd7 8.Nf3 Be7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Be7 8.Nf3 Nbd7).

4.b5 a6 5.a4 Be7 6.Nf3 0–0 7.c4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4 a6).

4.b5 a6 5.Nf3 ab5 6.Bb5 c6 7.Be2 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.e3 ab5 5.Bb5 c6 6.Be2 d5 7.Nf3).

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

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

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

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

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

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

4.b5 Nbd7 5.Nf3 a5 6.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 a5 6.b5).

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

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

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

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

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

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

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

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

4.a3 Be7

5.d4 0–0 6.c4 c6 7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

5.d4 0–0 6.Nf3 b6 7.c4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 b6).

5.Nf3 0–0 6.c4 dc4 7.Bc4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Be7 5.c4 dc4 6.Bc4 0–0 7.Nf3).

5.c4 c6 6.d4 0–0 7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

5.d4 0–0 6.c4 c6 7.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

5.d4 0–0 6.Nf3 Nbd7 7.c4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 Nbd7).

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

5.Nf3 0–0 6.c4 a5 7.b5 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 c6 6.a4 0–0 7.c4 a5).

5.Nf3 0–0 6.c4 Nbd7 7.d4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 Nbd7).

5.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 Be7).

4.b5 c5

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

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

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

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

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

5.c4 Bd6 6.Nf3 b6 7.Be2 Bb7 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 d5 7.Be2 Bd6).

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

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

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

5.c4 Be7 6.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Nbd7 6.Nf3 Be7).

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

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

5.Nf3 b6 6.Be2 Bb7 7.0–0 Nbd7 8.a4 Bd6 9.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7).

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

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

5.Nf3 Nbd7 6.c4 Be7 7.d4 0–0 8.Nbd2 b6 9.Be2 Bb7 10.0–0 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 c5 6.c4 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7 10.Nbd2).

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

4.b5 Bd6

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

5.c4 0–0 6.Nf3 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4 c6).

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

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

5.c4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c6 5.c4 Bd6).

5.c4 Nbd7 6.Nf3 c5 7.d3 0–0 8.Be2 b6 9.0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.d3).

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

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

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

5.Nf3 0–0 6.Be2 Nbd7 7.0–0 c5 8.a4 b6 9.c4 Bb7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7).

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

5.Nf3 c5 6.c4 0–0 7.Be2 Nbd7 8.0–0 b6 9.a4 Bb7 10.d3 Qe7 11.Nbd2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.d3 Bb7 10.Nbd2 Qe7 11.a4).

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

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

3.Nf3 c6

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

4.e3 Nf6 5.a3 Be7 6.d4 0–0 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

3.Nf3 Nd7

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

4.a3 Ngf6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7).

4.e3 Ngf6 5.a3 c5 6.bc5 Bc5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nbd7).

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

3.Nf3 f5

4.e3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.Nf3).

4.e3 Nf6 5.a3 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3 d5 5.e3).

3.Nf3 Nf6

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

4.a3 a5 5.b5 c6 6.e3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 a5 6.b5).

4.a3 c5 5.b5 b6 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.b5 b6 6.Nf3).

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

4.a3 c5 5.bc5 Bc5 6.e3 0–0 7.Be2 Nc6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.Be2 0–0).

4.a3 c5 5.bc5 Bc5 6.e3 Nc6 7.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 0–0 7.c4 Nc6).

4.a3 c5 5.bc5 Bc5 6.e3 Nbd7 7.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 c5 5.bc5 Bc5 6.Nf3 0–0 7.c4 Nbd7).

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

4.a3 Nc6 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Nc6 5.Nf3).

4.a3 Nbd7 5.e3 Bd6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Bd6 5.e3 Nbd7).

4.b5 a5 (--> 1.b4 a5 2.b5 Nf6 3.Nf3 e6 4.Bb2 d5).

4.b5 a6 5.a4 Nbd7 6.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 Nbd7 6.Nf3).

4.b5 c5 5.e3 Bd6 6.Be2 0–0 7.0–0 b6 8.a4 Bb7 9.d4 Nbd7 10.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7 10.d4).

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

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

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

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

4.b5 Bd7 5.e3 c5 (without 6.bc6) (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd7).

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

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

4.b5 Be7 5.e3 Bd7 6.Be2 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.Be2 Bd7).

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

4.e3 Be7 5.a3 0–0 6.d4 c6 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

4.a3 Be7

5.d4 0–0 6.e3 c6 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

5.e3 0–0 6.c4 dc4 7.Bc4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 Be7 5.c4 dc4 6.Bc4 0–0 7.Nf3).

5.e3 0–0 6.d4 c6 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4).

5.e3 c5 6.bc5 Bc5 7.d4 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.e3).

5.e3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 Be7).

5.e3 Nbd7 6.c4 0–0 7.d4 c6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.c4 c6 7.d4 Nbd7).

2.Bb2 d6

3.a3 c5 4.e4 Nc6 5.bc5 dc5 6.Bb5 Bd7 7.Nc3 Nf6 8.Nf3 Be7 9.0–0 a6 10.Be2 b5 11.d3 0–0 12.Qd2 a5?? 13.Nb5+/– Na7 14.Na7+– Ra7 15.Ne5 Ra8 16.Nd7 Nd7+/– 17.Rfb1 Qc7 18.Bc3 Bd6 19.g3 g6 20.Bf3 Ne5 21.Bg2+– Rab8 22.Ba5 Rb1 23.Rb1 Qc8 24.Bc3 h5 25.Be5 Be5 26.Qg5 Qc7 27.Bf3 Qd8?? 28.Qe5 (28.Qe5 Qd4 29.Qd4 cd4 30.e5+–) 1–0. Wall,Bill – GhettoBudo, Microsoft Gaming Zone, 1999.

3.a3 c6 4.e3 Nd7 5.Nf3 Ngf6 6.d4 Be7 7.c4 0–0 8.Bd3 a5 9.0–0 ab4 10.ab4 Ra1 11.Ba1 b6 12.Qc2 d5 13.cd5 cd5 14.b5 h6 15.Ne5 Bb7 16.Nc6 Bc6 17.bc6 Bd6? (better is 17...Qa8 18.Bb2 Rc8+=) 18.cd7+– Qd7 19.Nc3 Rc8 20.Qb2 Ng4 (20...Qc7 21.h3+–) 21.h3 (21.Qb6?! Bh2 22.Kh1 Bc7+–) 21...e5 (21...Nf6+–) 22.hg4 e4 23.Bb1 Qg4 24.Qb6 Bc7 (24...Bb8 25.Qb7 Rd8 26.Nd5+–) 25.Qb7 Kh7 (25...Bb8 26.Nd5 Re8 27.Qc6+–) 26.Nd5 Qd7 (26...Bd6 27.Qf7 Kh8 28.Ne7 Be7 29.Qe7+–) 27.f4 Rb8 28.Qc7 (28.Qc7 Qc7 29.Nc7+–) 1–0. marekt – sureet_sk, ChessWorld.net, 2013.

3.a3 Nd7 4.Nf3 b6 5.e4 Bb7 6.d3 e5 7.Be2 g6 8.0–0 f6 9.Nbd2 Bg7 10.d4 Ne7 11.Bc4 d5 12.ed5 Bd5 13.Bd5 Nd5 14.de5 fe5 15.Ne4 Nf4 16.g3 Ne6 17.Qd5 Qe7?? 18.Qa8 Kf7 19.Qd5 Rd8 20.Nfg5 (20.Nfg5 Kg8 21.Ne6+–) 1–0. pierre – thegod882002, Yahoo, 2005.

3.a3 e5 4.e4 Be6 5.Nc3 Nf6 6.Nf3 a6 7.d4+= ed4 8.Nd4 Bd7 9.Bc4 b5 10.Bb3 Be7 11.0–0 c5 12.Nf3 c4 13.Ba2 Bg4 14.h3 Be6+= 15.Nd5 0–0 16.Ne7 Qe7 17.Re1 Nbd7= 18.Qd4 d5?? 19.ed5+– Nd5 20.Qg7# 1–0. Wall,Bill – LasVegas, chess.com, 2008.

3.a3 Ne7 4.c4 Nd7 5.e3 b6 6.Nf3 Bb7 7.Be2 e5 8.0–0 g6 9.d4 Bg7 10.de5 de5 11.Nbd2 0–0 12.Qc2 Qc8 13.Rad1 c5 14.b5 a6 15.a4 ab5 16.ab5 e4? (better is 16...f5!?=) 17.Bg7+/– Kg7 18.Ng5 Nf6 19.Nge4 Ne4 20.Ne4 Be4 21.Qe4 Nf5 22.Qc2 Qc7 23.g3 Nd6 24.Bf3 Rad8 25.Be2 Kg8?? (25...Ra8 26.Rd5 Rfd8+–) 26.Rd5+– Nf5 27.Rfd1 Rd5 28.Rd5 Rd8 29.Qd3 Rd5 30.Qd5 Ne7 31.Qd2 Nc8 32.Qd5 Nd6 (32...Ne7 33.Qa8 Kg7 34.Qa1 f6+–) 33.Bf3 Kg7 34.Be2 f5?? (34...Kg8 35.Kg2 Qe7+–) 35.Qe5+– Kg8 36.Qe6 Kf8 37.Qf6 (37.Qf6 Nf7 38.Bf3+–) 1–0. Fournier,Frederic (1800) – medea (1670), Active (1/1), 2005.

3.a3 f6 4.e3 c6 5.Bd3 b5? 6.Qh5+– Ke7 7.Bh7 Nh6 8.Bg6 Nf5?? 9.Qf3 Rh6 10.Bf5+– ef5 11.Ne2 g5 12.Nd4 c5?? 13.Qa8 (13...Bd7 14.Nb3+–) 1–0. Wall,Bill – Party, Internet, 2004.

3.a3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 d6).

3.b5 b6 4.Nf3 Bb7 5.e3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 b6 4.e3 Bb7 5.Nf3 d6).

3.b5 Be7?? (better is 3...Nf6=) 4.Bg7+– Bf6 5.Bf6 (better is 5.Bh8 Bh8 6.d4+–) 5...Nf6+= 6.Nc3 c6 7.a4 Nbd7 8.e3 Qc7 9.d4 Nb6 (9...e5 10.Nge2+/–) 10.bc6 Qc6?? (better is 10...a6+/–) 11.Bb5+– 1–0. Sorokin,Sergey – Voronov,Kondrat, UKR–ch U12 sf, 2004.

3.c4 Bd7 4.e3 Nc6 5.a3 Qe7 6.Nf3 0–0–0 7.d4 h6 8.Nc3 Rh7 9.Bd3 g6 10.b5 Nb8 11.Qa4 a6 12.Qb3 a5 13.b6 c6 14.Qa4 c5 15.Nb5 Bb5 16.Qb5 Qd7 17.Qa5+– Qc6 18.Rc1 Kd7 19.Bc2 Ke7 20.0–0 f6?? 21.Ba4 Qe4 22.dc5 dc5 23.Qc5 Kf7 24.Qc7 Nd7 25.Qd8 Nc5 26.Qc7 Be7 27.Bc2 Qc6 28.Qc6 bc6 29.Bd4 Nd7 30.b7 Bc5 31.Bc5 f5 32.Bd6 Kf6 33.b8Q Nb8 34.Bb8 Rb7 35.Be5 Ke7 36.Rb1 Rd7 37.Rfd1 g5 38.Rd7 Kd7 39.Rb7 Kc8 40.Rc7 Kd8 41.Rc6 Kd7 42.Rd6 Ke7+– 43.Nd4 Nf6 44.Re6 Kf7 45.Rf6 Ke7 46.Rf5 Kd7 47.Rf6 Ke8 48.a4 Kd8 49.a5 Kc8 50.a6 g4 51.a7 Kb7 52.Rf7 Ka8 53.Bb8 h5 54.Nb5 h4 55.Nc7 Kb7 56.a8Q Kb6 57.Rf6 Kc5 58.Be4 Kc4 59.Rc6 Kb3 60.Qb7 Ka4 61.Ra6 1–0. Fournier,Frederic (1910) – solraksad, Active, 2011.

3.c4 h6 4.Nf3= Nd7 5.Nc3 c5 6.bc5 dc5 7.e3 Bd6 8.d4 Qa5 9.Bd3 cd4 10.ed4 Ngf6 11.0–0 e5? 12.Nb5+– Bb8 13.de5 Ng8 14.Nd6 Bd6 15.ed6 Ngf6 16.Qe2 Kf8 17.Rfe1 Qd8 18.Rad1 Ng4 19.Qe7 Qe7 20.de7 Ke8 21.Bg7 (21...Rg8 22.Bc3+–; better is 21.Nh4 Nge5 22.Be5 Ne5 23.Re5 Bg4+–) 1–0. Wall,Bill – Chunku, internet, 2003.

3.e3 Nc6 4.b5 Nb8 5.Be2 c6 6.a4 cb5 7.ab5+= a6 8.Bf3 d5= 9.Ne2 Qd7 10.Nbc3 Bb4? 11.0–0 Bc3 12.Nc3 b6?? 13.Na4 Qb5?? 14.Bg7 f6 15.Bh8 Kf7 16.c4! Qc4 17.Nb6 (17...Qc6 18.Qb1+–) 1–0. Hyperboleweevil (1900) – guest601, ICC, 2003.

3.e3 d5 4.Nf3 f6 5.a3 Nh6 6.c4 dc4 7.Bc4 c6 8.0–0 b5 9.Be2 e5 10.Ne5 (better is 10.d4 e4 11.Nfd2+=) 10...fe5+= 11.Be5 Bb7 12.Bh5 Kd7 13.Bd4 (13.Qf3 Qe7 14.d4 Kd8=) 13...Qg5 (13...a5 14.Bg4 Ke7 15.Bf3+=) 14.f4 Qd5 (14...Qh4!?=) 15.Nc3+= Qc4 16.Be2 (16.d3 Qe6+=) 16...Qf7= 17.Ne4 c5? (better is 17...a5=) 18.Nc5 Bc5 19.Bc5 (19.Bb5 Kd8 20.Bc5 Nd7+–) 19...Qg6 (19...Bc6 20.a4!+/–) 20.Bf3 (20.Bb5!? Kd8 21.Qe2+–) 20...Bf3+/– 21.Qf3 Qc6 22.d4 (better is 22.e4!?+/–) 22...Qf3+= 23.Rf3 Nf5 (23...Re8 24.f5+=) 24.g3 (24.e4!? Nd6 25.e5+/–) 24...Re8+= 25.Re1 a5 26.e4 Nc6 (26...ab4 27.ab4 Ra4 28.g4+=) 27.Rd3 ab4 28.ab4 Nh6? (better is 28...Ra4 29.Rb3 Ra2+=) 29.d5+– Nd8 30.Kf2 (better is 30.e5+–) 30...Ng4+= 31.Kf3 Nh2 32.Kg2 Ra2 33.Kh3 g6?? 34.Rh1 Re4 35.Rh2 Ra1 36.Kg4 h5 37.Kg5 Ra6 38.Rd4?? Nf7= 39.Kh4 g5 40.Kh5?? Rh6 41.Kg4+= Rd4 42.Rh6?? Nh6–+ 43.Kg5 Rd5?? 44.Kh6+/– Ke6 45.g4 Rd2?? 46.Kg6+– Rd8 47.f5 Ke5 48.f6 Rg8 49.Kf7 Rg4 50.Ke7 Rf4 51.f7 Kd5 52.f8Q Rf8 53.Kf8 Kc6 54.Ke8 Kc7 55.Ke7 Kc6 56.Ke6 Kb7 57.Kd7 Ka6 58.Be7 Kb7 59.Bd8 Kb8 60.Kc6 Kc8 61.Ba5 Kb8 62.Kb5 Kb7 63.Kc5 Ka6 64.b5 Kb7 65.b6 Kc8 66.Kc6 Kb8 67.Bc3 Kc8 68.b7 Kb8 69.Be5 Ka7 70.Kc7 Ka6 71.b8R Ka5 72.Kc6 Ka4 73.Kc5 Ka5 74.Ra8 1–0. Darkseid – karlsdad, ChessWorld.net, 2013.

3.e4 c5 4.bc5 dc5 5.Nf3 Nc6 6.e5 c4? 7.Bc4+/– Bc5 8.0–0 f6 9.ef6 Nf6 10.Ne5 Ne5+/– 11.Be5 0–0 12.Re1?? Nd5?? 13.Nc3?? Nc3 14.dc3? Qg5?? 15.Bg3 a6 16.Be6 Be6+= 17.Re6 Rad8 18.Qe1 Rd2 19.Re5 Bf2?? 20.Bf2+– Qf4 21.Re2 Re2 22.Qe2 Rf6 23.Re1 Kf7 24.Qe7 Kg6 25.Qe8 Kg5 26.Be3 (26.Be3 Kh6 27.Bf4 Rf4 28.Qe3 Kg5 29.Qe5 Kh6 30.Qf4 g5 31.Re6 Kh5 32.g4 Kh4 33.Qg3#) 1–0. Nautiluschess – stewrat, ICS blitz, 2001.

3.e4 Nc6 4.b5 Ne5 5.Be5 de5 6.Nf3 g5 7.Ne5?? Qd4–+ (8.Nc3 Qe5–+) 0–1. bashful – WhiteMamba, caissa.com, 2004.

3.e4 Nd7 4.Nf3 h6 5.Nc3 Rh7 6.d4 g6 7.Bd3 Be7 8.0–0 Nf8 9.a3 Rg7 10.Bc4 g5 11.Re1 Ng6 12.a4 g4 13.Nd2 h5 14.Kh1 Nf4 15.Ne2+/– Ng6 16.Ng3 Rh7 17.Re3 Bg5 18.Rd3 Nf4 19.Re3 Ne7 20.c3 Neg6 21.Ne2 Ng2 22.Kg2 Be3 23.fe3 Qg5 24.Qg1 h4 25.Kh1 Bd7 26.Nf3 Qh5 27.Nd2 g3=+ 28.h3 e5 29.Qg2 0–0–0 30.Qf1 f5 31.b5 Rf8 32.Qg2 f4 33.ef4=+ Nf4 34.Nf4 ef4 35.Be2 Bh3?? 36.Qh3+– (36.Qh3 Kd8 37.Bh5 Rh5 38.Rf1+–) 1–0. mtra – 10000BRUCELEE, internet, 2002.

3.e4 Nf6 4.d3 Be7 5.c4 Bd7 6.Nf3= 0–0 7.Be2 Nc6 8.b5= Nb8 9.0–0 a6 10.a4 ab5 11.ab5+= c6?? 12.Ra8+– cb5 13.cb5 Bb5 14.Na3 Bc6 15.Qc2 Qd7 16.d4 b5 17.d5 Ba8 18.Bb5 Qd8 19.Nc4 ed5=+ 20.ed5 Bd5 21.Ne3 Be4 22.Qb3 Bd5?? 23.Nd5+– Nd5 24.Qd5 Qb6. Pierred – ahmedgamalelashry, Chesspark, 2008.

3.Nf3 a5 4.b5 Nf6 5.d3 Be7 6.e4 e5 7.d4 Bg4 8.h3+= Bf3 9.Qf3 0–0 10.Be2 ed4 11.Bd4 c5 12.Bb2 d5 13.ed5+/– Qd5 14.Nc3 Qg5 15.Ne4 Qg6 16.Bf6 gf6 17.Ng3 Qc2? 18.Nf5 Re8 19.Qg3 (19.Qg3 Kh8 20.Qg7#) 1–0. Marre – sergiejew, zagraj.pl, 2003.

3.Nf3 a6 4.Nc3 b6 5.e3 Bb7 6.a3 Nf6= 7.Bd3 Be7 8.Nd4 c5 9.bc5 dc5 10.Nf3 b5 11.0–0 c4 12.Be2= Nbd7 13.Nd4 Qc7 14.Bf3 Rd8 15.Bb7 Qb7 16.Qe2 Ne5 17.f4 Ng6 18.f5+= Ne5 19.fe6+/– fe6? 20.Ne6+– Qd7 21.Ng7 Kf7 22.Qh5 Kg7 23.Qe5 Rhg8 24.Ne4 Rdf8 25.Nf6 Bf6 26.Rf6 c3 27.Re6 Rf6 28.Qf6# 1–0. Stanley – Leo, private, 2011.

3.Nf3 Qe7 4.Nc3 d5 5.e3 Na6 6.a3+= h6 7.Ne5 f6?? 8.Qh5+– g6 9.Qg6 Kd8 10.Nf7 Ke8 11.Nh8 Kd7 12.Qg8 b6 13.Ng6 Bb7 14.Ne7 Ke7 15.Qh7 Ke8 16.Bb5 c6 17.Qb7 cb5 18.Qa8 Kd7 19.Nb5 Be7 20.Qa7 Kc8 21.Qe7 (21.Qe7 Kb8 22.Qa7 Kc8 23.Nd6 Kd8 24.Bf6) 1–0. Fournier,Frederic – beefcake08, Active (5/0), 2005.

3.Nf3 Be7 4.Bg7 Bd7?? 5.Bh8 Na6 6.a3 c5 7.e3 cb4 8.Ba6 ba6 9.ab4 Bf6 10.Bf6 Nf6 11.0–0 Rc8 12.c3 Rc4 13.Ra6 Ne4 14.d3 (14.d3 Qc8 15.Ra7 Nc3 16.Nc3 Rc3 17.Ng5+–) 1–0. marekt – aric7, ChessWorld.net, 2003.

3.f4 b6 4.Nf3 Bb7 5.e3 Bf3 6.Qf3 c6 7.Bd3 Qh4 8.g3 Qe7 9.Nc3 Nd7? (better is 9...Nf6+=) 10.Qc6+– Rd8? (10...Qd8+–) 11.Nb5 f5 (11...Rb8 12.Nd6! Kd8 13.Nb7 Ke8 14.Be5 Rb7 15.Qb7 Ne5 16.Qb8 Qd8 17.Qe5+–) 12.Nc7 (worse is 12.Na7 Kf7+–) 12...Kf7 13.Ne6! Ke6 (13...Qe6 14.Bc4 Pinning (14.Bc4 Decoy); 13...Ke6 14.Bc4 Mate attack) 14.Bc4 1–0. b4_player – mikrus, casual, 2013.

3.a3 Bd7

4.c4 Nc6 5.e3 Nce7 6.Nf3 Ng6 7.d4 Nf6 8.Bd3 Be7 9.0–0 0–0 10.Nbd2 e5 11.de5+/– Ne5 12.Ne5 de5 13.Be5 Be6 14.Nf3 Ng4 15.Bb2 Nf6 16.Qc2 g6 17.Rad1 c6? 18.Nd4 Bd7 19.c5 Qe8 20.Nf3 Bd8 21.Rfe1 Bc7?? 22.h3 Nh5 23.Rd2 Ng7 24.Red1 Be6 25.Bc4 Bc4 26.Qc4 Qe6 27.Qe6 Ne6 28.Bf6 Ng7 29.Bg7 Kg7 30.Rd7 Bd8? 31.Rb7 Bf6 32.Rbd7 Rad8? 33.Rd8 Rd8 34.Rd8 Bd8 35.a4 Bc7 (35...Bc7 36.Nd4 Kf6 37.Nc6 Ke6 38.Na7 Kd5+–) 1–0. Fournier,Frederic – juanfra, Active, 2007.

4.e3 Be7?? 5.Nf3?? f6 6.d4 f5 7.Be2 e5? 8.de5+– de5 9.Ne5 Bf6? 10.Nd3 Bb2+/– 11.Nb2 Qf6 12.c3 b6 13.Qd4 Qd4 14.cd4 c5 15.dc5 bc5 16.bc5 Be6?? 17.Nd2 Nc6 18.Nbc4 Bc4 19.Nc4 Nf6 20.Nd6 Ke7 21.0–0 Rad8 22.Bb5 Ne4 23.Ne4 fe4 24.Bc6 Rd2 25.Be4 Rhd8 26.c6 Kd6 27.Bf3 Kc5 28.Rfd1 Rd1 29.Rd1 Rc8 30.Rc1 Kd6 31.g3 Rb8 32.c7 Rc8 33.Bg4 Ke5 34.Bc8 (34.Bc8 a6 35.Bg4 g6 36.c8Q Kf6 37.Qd8 Kg7 38.Rc7 Kh6 39.Qh4) 1–0. Fournier,Frederic – Amiennois, Active (2/0), 2004.

3.c4 b6

4.d4 Bb7 5.Nf3 Be7 6.e3 Nd7 7.Bd3 Bh4 8.0–0 Bf6 0–1. bispo (2000) – capacuba (2295), net–chess.com, 2011.

4.d4 Ne7 5.Nf3 Bb7 6.Nc3 Nf5 7.e4 Ne7 8.Be2 Nbc6 9.Qa4 Qd7 10.b5 Na5 11.c5! dc5 (11...bc5 12.Qa5 Deflection; 11...dc5 12.dc5 Combination) 12.dc5 g6? (better is 12...c6+/–) 13.Rd1 Qc8 14.c6 Nec6 (14...Bc6 15.bc6 Bg7+–) 15.bc6 Bc6 16.Bb5 Qb7 17.Bc6 Nc6 18.Ne5 (18.Ne5 Bg7 19.Nc6+–) 1–0. b4_player – story, casual, 2013.

3.c4 c6

4.e3 d5 5.Nc3 Bb4 6.Qb3 Bd6 7.Nf3 Ne7 8.d4 f6 9.c5 Bc7 10.Bd3 a5 11.0–0 Nd7 12.Rab1 g6 13.Bc1 f5 14.Bd2 h5 15.Na4 Nf6 16.Nb6 Ng4 17.Na8 Bb8 18.Nb6 Ng8 19.Nc8 Qc8 20.Qb7 Bh2 21.Nh2 Qd8 22.Qc6 Kf8 23.Qe6 Qh4 24.Qd6 Kg7 25.Rb7 Kh6 26.Ng4 hg4 27.Qf4 g5 28.Qd6 Kh5 29.Qh2 Qh2 30.Kh2 Nf6 31.g3 Kg6 32.Kg2 a4 33.Rb6 Kf7 34.Rh1 a3 35.Rh8 Ke7 36.Rf6 Kf6 37.Rh6 1–0. atomico (1620) – ebolowa, kurnik, 2012.

4.e3 Nd7 5.Nc3 Ne7 6.Nf3 b5 7.cb5+/– cb5 8.Bb5 a6 9.Ba4 Bb7 10.0–0 g6? 11.Ne2 e5 12.d4 Bg7 13.de5 de5? 14.Be5 0–0 15.Bg7 Kg7 16.Qd7 Qd7 17.Bd7 Bf3 18.gf3 Nd5 19.a3 a5 20.ba5 Ra5 21.Nd4 Nb6 22.Bc6 Nc4 23.a4 Nd2 24.Rfc1 Kh6 25.Ra2 Rc8 26.Rd2 Kh5 27.Rdc2 Ra6 28.f4 Rb8 29.Bb5 Rd6 30.Rc7 Rf8 31.R1c6 Rd5 32.Rf6 g5 33.Rcf7 Rf7+– 34.Rf7 gf4 35.Rf4 Kg5 36.Rf5! Rf5 37.Nf5 Kf5 38.a5 Ke5 39.a6 Kd6 40.a7 Kc7 41.a8Q Kb6 42.Qc6 Ka5 43.Bc4 Kb4 44.Qb5 Kc3 45.Kf1 Kd2 46.Qb3 h5 47.Qd3 Kc1 48.Bb3 Kb2 49.Bd1 h4 50.Qb3 (50.Qb3 Ka1 51.Bc2 h3 52.Qa3) 1–0. Fournier,Frederic (1745) – KolaYre2ZeUs (1720), Active echecs21.com, 2004.

4.e3 Nf6 5.Nf3 Be7 6.Be2 0–0 7.0–0 Nbd7 8.a4 d5 9.c5 (9.Qb3 dc4 10.Bc4 Nd5=) 9...b6 (9...a5!?+=) 10.d4= a6 11.Nbd2 Bb7 12.Nb3 h6 (12...a5 13.Qc2=) 13.h3 (13.a5 bc5 14.dc5 Bc8+=) 13...Nh7 (13...a5!?=) 14.a5 b5 15.Bd3 f5 16.Nc1 Ndf6 17.Ne5 Qe8 18.Ne2 Nd7 19.Nd7 Qd7 20.Nf4 Qe8?? (better is 20...Rf6+/–) 21.Ne6+– Qd7 22.Nf8 Rf8 23.Qh5 Bc8 24.f4 (24.Rae1!? Nf6 25.Qf3 Qe6+–) 24...Qe6 25.Bc3?? (better is 25.Rf3+–) 25...Qe3–/+ 26.Kh1 Qd3 27.Rf3 Qc2 28.Re1 Nf6 29.Qg6 Rf7 30.Rg3? Ne4–+ 31.Re4 fe4 32.Qc6 Rf8 33.Qd5 Kh8 34.Qe5 Bf6 35.Qd6 Rg8 36.f5 e3 37.Re3 Qc1 (37...Qc1 38.Re1 Qc3–+) 0–1. Hal1958 – XANDERKIRV, playchess.de, 2003.

3.c4 Nc6

4.b5 Na5 5.e4 Nf6 6.Nc3 g5 7.d4 Bd7 8.e5 de5 9.de5 Ng8 10.Rc1 Ne7 11.Ne4 Ng8 12.g3 h5 13.Bg2 g4 14.Ne2 a6 15.a4 h4 16.h3 ab5 17.cb5 hg3 18.N2g3 gh3 19.Rh3 Rh3 20.Bh3 Bh6 21.Rc2 Nb3 22.Qg4 Kf8 23.Ba3 Ne7 24.Nf6 Bg7 25.Ngh5 Bf6 26.ef6 c5 27.Qg7 Ke8 28.Qh8 1–0. Ladeira,Paulo Ribeiro Soare – Gomez,Pablo, IECC, 2013.

4.b5 Nce7 5.d4 Ng6 6.e4 Be7 7.Bd3 Nf8 8.Nf3 Nd7 9.0–0 f6 10.a4 e5 11.Nc3 c6 12.de5 fe5+= 13.Qb3 Nf8 14.Rad1 Be6 15.Be2 Nh6 16.Ne5!+– Nf7 17.Nf7 Bf7 18.f4 Qc7 19.Kh1 Ng6 20.g3 0–0 21.Bh5 Qc8 22.Bg6 Bg6 23.f5 Bh5 24.Rd2 g6?? 25.Rdf2 g5 26.Ne2 Bf6 27.Bf6 Rf6 28.Nd4 c5 29.Ne6 Bf7? 30.Ng5 Kh8?? 31.Nf7 Rf7 32.Qd3 Qd7 33.Rd2 Re8 34.Qd6 Qd6 35.Rd6 Re4 36.f6 Rc4?? 37.Rd8 Rf8 38.Rf8 1–0. ludice (1735) – jartcampos, kurnik, 2011.

4.b5= Nce7 5.e4 e5 6.d4 ed4 7.Bd4 c5 8.Bc3+= Be6 9.Nd2 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 f6 13.f4 Nh6 14.Bf6!+– gf6 15.Qf6 Nf7 16.Qe6 Bg7 17.Ngf3 0–0 18.g3 Bc3 19.Bg2 Kh8 20.0–0 Ng6 21.Bh3 Qb8 22.Bf5 Nd8 23.Qd7 Nf7 24.b6 Qa8 25.Be6 Nd8 26.Ng5 Bd4 27.Kg2 Bg7 28.f5 Ne5 29.Qd6 Ne6 30.fe6 Nf7?? 31.Rf7 Rd8 32.Rd7 Rc8 33.Qe7 (33.Qe7 Qa1 34.Rd8 Rd8 35.Qd8 Bf8 36.Qf8#) 1–0. Dopper,Johan – Szabo,M, corr SOK–92–91, 1992.

3.c4 Nd7

4.d4 Ne7 5.Nd2 g6 6.e3 Bg7 7.Qf3 0–0 8.Ne2 e5 9.b5 f5 10.a3 Nc5 11.dc5 e4 12.Qh3 Bb2 13.Ra2 Bg7 14.cd6 Qd6 15.Qg3 Qg3 16.hg3 Bd7 17.Nb3 b6 18.Rd2 Rad8 19.Nbd4 c5 20.bc6 Nc6 21.Nc6 Bc6 22.Nd4 Bb7 23.a4 Rd7 24.a5 Rfd8 25.ab6 ab6 26.Rb2 Bd4 27.ed4 Rd4 28.Rb6 Rd1 29.Ke2 R1d2 30.Ke3 Ba8 31.Be2 Rc2 32.Rd1 f4 33.Kf4 Rd1 34.Bd1 Rf2 35.Ke3 Ra2 36.Bb3 Rg2 37.Rb8 Kf7 38.Ba4 Rg3 39.Ke2 Rg2 40.Kf1 e3 41.Ra8 Rh2 (42.Re8 Rf2 43.Ke1 Ra2+–). kamret (2205) – Uitlaat, GameColony.com, 2003.

4.d4 Ne7 5.e3 Nf6 6.Be2 Ng6 7.Nf3 Be7 8.0–0 0–0 9.Nbd2 Bd7 10.Qb3 Qc8 11.Rac1 e5 12.de5 de5 13.Ne5 Ne5 14.Be5 Be6 15.Bf6 Bf6 16.Ne4 Be5 17.Nc5 Bf5 18.Bf3 c6 19.g3 b6 20.Nd3+/– Bf6 21.Nf4 Rb8 22.Rfd1 c5 23.b5 g5 24.Nd5 Bg7?? 25.Ne7 Kh8 26.Nc8 Rbc8 27.Rd5 g4 28.Rf5 gf3 29.Rf3 Be5 30.Rd1 f6 31.Qd3 Rg8 32.Qd7 Rcf8 33.Qa7 Rg7 34.Qb6 Rfg8 35.Qc5 h5 36.Rd5 h4 37.Re5 fe5 38.Qe5 Kh7 39.Qh5 1–0. ludice (1745) – milanbroz, kurnik, 2011.

4.e3 Ngf6 5.Nf3 e5 6.Be2 Be7 7.d3 0–0 8.Nbd2 c6 9.a3 d5 (9...a5 10.0–0=) 10.cd5 cd5 11.0–0 (11.Ne5 a5+/–) 11...e4 (better is 11...Bd6!?=) 12.de4+/– de4 13.Nd4 Qb6 (13...Ne5!?+=) 14.Qc2 Re8 15.Ne4 Ne4 16.Qe4 Nf6 17.Qc2 Bg4 18.Bd3 h6 19.h3 Bd7 20.Nf3 Qe6 21.Rac1 Rac8 22.Qb1 Rc6 23.Bb5?? (better is 23.Ne5 Rc1 24.Rc1+–) 23...a6?? (better is 23...Rc1 24.Rc1 Bb5–+) 24.Bc6+– Bc6 25.Nd4 Qe4 (25...Qd7 26.Nc6 bc6 27.Qc2+–) 26.Qe4 (better is 26.Nc6 bc6 27.Qe4 Ne4 28.Rc6 Ra8+–) 26...Be4 (26...Ne4?? 27.Nc6 bc6 28.Rc6+–) 27.f3 Bd3 28.Rfd1 Bg6 29.e4 Bd6 30.Nb3 Be5 31.Be5 Re5 32.Rc8 Kh7 33.Rc5 Rc5 34.Nc5 Ne8 35.Nb7 f5 36.Nd6 fe4 37.Ne8 Be8 38.fe4 Bb5 39.e5 Kg6 40.Rd6 Kf5 41.g4 Ke5 42.Rd7 g6 43.Rh7+– h5 44.gh5 gh5 45.Rh5 Kd4 46.Rb5! ab5 47.h4 Ke5 48.Kg2 Kf6 49.Kg3 Kg6 50.Kf4 Kh5 51.Ke5 Kh4 52.Kd5 Kg3 53.Kc5 Kf3 54.Kb5 Ke3 55.Kc5 Ke4 56.b5 Kd3 57.b6 Kc3 58.b7 Kd3 59.b8Q Ke4 60.Qd6 (60.Qd6 Kf3 61.a4 Ke3 62.a5 Ke2 63.a6 Kf2 64.a7 Ke2 65.a8Q Ke3 66.Qd4 Ke2 67.Qg2 Ke1 68.Qgf2) 1–0. Fournier,Frederic (1815) – renebrizuela (1680), Active (2/0), 2005.

3.c4 Ne7

4.e3 Nd7 5.d4 b6 6.Nf3+= g6 7.d5 e5 8.Nc3 Bg7 9.Bd3 0–0 10.0–0 Bb7 11.Qd2 Rc8 12.e4 c5 (12...c6!?+=) 13.Nb5+/– Nf6 14.Na7 Ra8 15.Nb5 Ba6 (15...Nh5!?+/–) 16.a4+– Bb5 17.ab5 Qd7 (17...Ra1 18.Ra1 Nd7 19.Bc3+–) 18.Ra6 Rab8 (18...cb4 19.Rfa1 Rab8 20.Qb4+–) 19.bc5 bc5 20.Rfa1 Nh5 21.g3 f5 22.Ng5 (22.Qe2 fe4 23.Be4 Nf6+–) 22...Bh6 23.Ra7 Qe8 (23...Qd8 24.h4+–) 24.h4 f4 (24...fe4 25.Be4 Nc8 26.R7a6+–) 25.Ne6 Rf7 (25...Nc8 26.Rc7+–) 26.g4 Nf6 (26...Ng7 27.g5 Nc8 28.Rf7 Kf7 29.Nf4 Bg5 30.hg5 ef4 31.Qf4 Kg8 32.e5+–) 27.g5 Ne4 (27...Bg7 28.gf6 Bf6 29.h5+–) 28.Be4 Bg7 (28...Bf8 29.h5!+–) 29.R7a6 Nf5 (29...Qd7 30.Qd3+–) 30.Bf5 Rf5 31.Rd6 f3 (31...Bf8 32.Rda6 h6 33.Nf8 Kf8+–) 32.Ng7 Kg7 33.Re6 Qf7 34.Re5 Re5 35.Be5 Kg8 36.Bb8 1–0. pierre – anony, internet, 2015.

4.Nf3 Rg8 5.e4 h6 6.Be2 g5 7.d4 Nd7 8.Qa4 Ng6 9.d5 e5 10.Nbd2 g4 11.Ng1 Nf4 12.g3 Ng6 (12...Ne2 13.Ne2 Qg5 14.Bc1=) 13.Rc1 Be7 14.Bg4 Kf8 15.Bh5 Nf6 16.Bg6 Rg6 17.Ngf3 Bg4 18.Nh4 Rg7 19.f3 Bh3 20.Kf2 Nh5 21.g4?? (better is 21.Nf5 Bf5 22.ef5+/–) 21...Bh4–+ 22.Ke2 Nf4 23.Ke3 Bg5 24.Rce1 Ng2 25.Kf2 Ne1 26.Ke1 Bf4 27.Bc1 Qh4 28.Ke2 h5 29.Qd1 hg4 30.Rg1 gf3 31.Nf3 Bg4 32.Bf4 ef4 33.h3 Bf3 34.Kf3 Qh5 35.Kf4 Qd1 36.Rd1 0–1. GorillaTest – NASA, caissa.com, 2004.

3.c4 Nf6

4.d4 Be7 5.Nc3 0–0 6.e4 Nbd7 7.Bd3 b6 8.Nge2 Bb7 9.f3 Rc8 10.0–0 c5 11.bc5 dc5 12.d5 ed5 13.cd5 g6 14.Bc4+= Bd6 15.f4 Ne8 16.e5 Bb8 17.d6 a6 18.Bd5 Bd5 19.Nd5 Ng7 20.Ne7 Kh8 21.Nc8 Qc8 22.Qd5 b5 23.f5! Ba7 24.e6 fe6 25.fe6 Nb6 26.Qe5 Qb7 27.Rf8 1–0. baovn21 – adekbiz2, kurnik, 2011.

4.d4 Be7 5.Nc3 0–0 6.e4 Ne8 7.f4 g6 8.Nf3 Nd7 9.Bd3 Bf6 10.e5 Bg7 11.0–0 b6 12.Qc2 Bb7 13.d5 ed5 14.cd5 Rc8 15.e6 fe6 16.de6 Ndf6 17.Rae1 Qe7 18.Ng5 c5= 19.Nb5? a6–+ 20.Nd6 Nd6 21.Bg6 cb4 22.Bh7–/+ Kh8 23.Qg6 Nde4 24.Nf7?? Rf7–+ 25.ef7 Rf8 26.Bg8?? Qc5–+ 27.Kh1 Nf2 28.Rf2 Qf2 29.Rb1 Be4 30.Qf6 Qg2 0–1. baovn21 (1615) – adekbiz2, kurnik, 2011.

4.d4 g6 5.Nd2 Bg7 6.e4 Nbd7 7.f4 b6 8.Ngf3 Bb7 9.Bd3 Qe7 10.Qe2 c6 11.0–0 d5 12.e5 Ne4 13.Ne4 de4 14.Be4 Qb4 15.a3 Qb3 16.Qc2 Qc2 17.Bc2 c5 18.Ba4 Ke7 19.Bd7 Kd7 20.Rad1 Ke7 21.d5 Ba6 22.d6 Kd7 23.Rc1 Rhb8 24.a4 ½–½. von Rosenberg,Clemens – Gomez,Pablo, IECC, 2013.

4.e3 d5 5.cd5 Qd5 6.a3 Be7 7.Nf3 0–0 8.Nc3 Qd8 9.d4 Nc6 10.Be2 a6 11.0–0 Bd6 12.h3 Ne7 13.e4 Bf4 14.Bc1 c6?? 15.Bf4+– 1–0. Fournier,Frederic (1935) – karokan, Active, 2009.

4.e3 Be7 5.Nf3 0–0 6.Be2 a6 7.0–0 b6 8.a4 Bb7 9.Nc3 Nbd7 10.d4 Rc8 11.b5 c6 12.bc6 Bc6 13.Qb3 h6 14.h3 d5 15.cd5+/– Nd5 16.Rac1 Nc3 17.Rc3 Bf6? 18.Ba6+/– Rc7 19.Nd2 Bd5 20.Qc2 Rc3= 21.Qc3 Qa8 22.Bb5 Bg2 23.Bd7+– Bh3 24.e4?? Bf1+/– 25.Kf1 Rd8 26.Bc6 Qb8 27.Qe3 Qd6 28.Bb5 Bd4 29.Bd4 Qd4 30.Qd4 Rd4 31.Ke2 Kf8 32.Ke3 Rb4 33.Nc4 Ke7 34.Kd4 f6 35.f4 h5 36.Kc3 Rb1 37.Nd2 Rc1 38.Kd3 Rd1 39.Ke2=+ (39.Ke2 Ra1 40.Nc4=+) 1–0. nizinna – kent03, kurnik, 2011.

4.e3 Be7 5.Nf3 0–0 6.Be2 b6 7.d4 Bb7 8.Nbd2 c5 9.bc5 dc5 10.dc5 Bc5 11.Nb3 Qc7 12.Nc5+= Qc5 13.0–0 Nc6 14.Rc1 Ne4 15.Qd3 Ng5 16.Qc3 f6? 17.Ng5 Qg5= 18.Bf3 Rab8 19.Rcd1 Na5 20.Bb7 Nb7 21.Rd4 e5 22.Rd7 Qf5 23.Rfd1 a5 24.Ba3 Rfd8 25.Rd8 Rd8 26.Rd8 Nd8 27.Qc1 Nc6 28.h3 e4 29.c5 bc5 30.Bc5 Qd5 31.a3 Ne5 32.Bd4 Nd3 33.Qc8 Kf7 34.Qc7 Kg6 35.Qg3 Kf7 36.Qc7 Kg6 37.Qg3 Qg5 38.Qg5 Kg5 39.f3 ef3 40.gf3 Ne1 41.a4?? Nf3–+ 42.Kf2 Ne5 43.Be5? fe5–+ 44.Kg3 Kf5 45.Kf3 g5 46.e4 Ke6?? 47.Kg4+= Kf6? 48.h4?? h6 49.h5?? Kg7 50.Kf5= Kf7 51.Ke5 g4 (51...g4 52.Kf4 g3 53.Kg3 Ke7+–) 0–1. Fournier,Frederic (1660) – crisan27, Active, 2007.

4.e3 Be7 5.Nf3 0–0 6.Be2 e5 7.d3 Bf5 8.0–0 Nbd7 9.e4 Bg6 10.Nbd2 Nb6 11.Nh4 Ne4?? (better is 11...Qd7+=) 12.Ng6+– Nd2 13.Ne7 Qe7 14.Qd2 f5 15.f4 e4 16.de4 Qe4 17.Qc3 Rf7 18.Bh5 Raf8 (18...Qc4 19.Bf7 Qf7 20.Rfe1+–) 19.Bf7 Rf7 20.Rae1 Qc4 (20...Qc6+–) 21.Re8 Rf8 22.Qg7 1–0. Fournier,Frederic (2070) – nisad (2100), Active, 2004.

4.e4 Be7 5.e5 de5–/+ 6.Be5 Nc6 7.Bc3 Nb4?? 8.Nf3?? Nd3 9.Bd3 Qd3 10.Qe2 Qe2 11.Ke2 0–0 12.Re1 c6 13.Kf1 Nd7 14.d4 c5 15.d5 Nb6 16.Nbd2 Na4 17.Be5 f6 18.Bg3 e5 19.Nb3 Bd6 20.Nfd2 a6 21.Ne4= Rd8 22.f3 Bf5 23.Nd6 Rd6 24.Bf2? Bd3–+ 25.Kg1 Bc4 26.Nc5 Nc5 27.Bc5 Rd5 28.Bf2 b5 29.a4 Rd2 30.Reb1 Rad8 31.Be3 R2d3 32.Bb6 R8d5 33.ab5 Bb5 34.Rc1 Kf7 35.Kf2 Kg6 36.Kg3 f5 37.h3 e4 38.Rc7 e3 39.Re1 f4! 40.Kf4 Rf5 41.Kg3 h5 42.Re3 Re3 43.Be3 a5 44.Bd4 Rf7 45.Rc5 Bd7 46.Ra5 Kh6 47.Be3+– Kh7 48.Rh5 Kg6 49.Rg5 Kf6 50.h4 g6 51.Bd4 Ke6 52.Rg6 Kd5 53.Be3 Kc4 54.h5 Kd3 55.Bf4 Ke2 56.h6 Bf5 57.Rg7 Rf8 58.Re7 Kf1 59.Be3 Rg8 60.Kf4 Bb1 61.Rb7 Bd3 62.g4 Be2 63.Kg3 Rf8 64.f4 Rg8 65.g5 Bh5 66.h7 Rh8 67.Bd4 Rh7 68.Rh7 Bg6 69.Rh6 Be4 70.g6 Bd5 71.g7 (71.g7 Ke2 72.f5+–) 1–0. nizinna – szubin2, kurnik, 2011.

4.g3 Be7 5.Bg2 c6 6.e3 d5 7.c5 0–0 8.Ne2 b6 9.d4 b5 10.a4= Ba6 11.Nbc3 ba4 12.Ra4 Be2 13.Ne2 a6 14.Qa1 Nbd7 15.Ra6+/– Ra6 16.Qa6 Nb8 17.Qa3 Qc8 18.0–0 Na6 19.Ra1 Qb7?? 20.Qa6+– Qa6 21.Ra6 Rc8 22.Nf4 g6 23.Nd3 Ne8 24.Ne5 Nc7 25.Rc6 Kg7 26.b5! Rb8 27.b6 Ne8 28.Nd7 Rb7 29.Rc8 Nf6 30.Nf6 Bf6 31.Rc7 Rb8 32.b7 Bd8 33.Rd7 Ba5 34.c6 h5 35.Ba3 Bb6 36.Bd6 Re8 37.c7 Bc7 38.Bc7 g5 39.Rd8 Rd8 40.Bd8 g4 41.b8Q Kg6 42.Qe5 h4 43.Qg5 Kh7 44.Bf6 (44.Bf6 hg3 45.Qg7#) 1–0. Schutz – Termath, Vereinsmeisterschaft, 1985.

3.e3 a6

4.a4 b6 5.b5 ab5 6.ab5 Ra1 7.Ba1 Qd7 8.Nf3 Bb7 9.Be2 Ne7 10.0–0 Bf3 11.Bf3 Qb5 12.Nc3 Qf5 13.Be4 Qg5 14.Nb5?? Qb5–+ 15.Qf3 d5 16.Bd3 Qd7 17.Rb1 h6 18.h3 g5 19.Bh8+– c5 20.Bf6 c4 21.Be2 Qc7 22.Qg3 Qd7?? 23.Qb8+– Qd8 24.Qb6 Qb6 25.Rb6 Kd7 26.Be7 Be7 27.d3 cd3 28.Bd3 f5 29.g4 fg4 30.hg4 Bd6 31.Bb5 Kc7 32.Rc6 Kb7 33.Rd6 1–0. j1a9n55 – fizze, kurnik, 2011.

4.c4 b6 5.Qf3 c6 6.d3 Bb7 7.Nc3 Qd7 8.c5 d5 9.Na4 Ra7?? 10.Qg3+– Qd8 11.Bg7 Bg7 12.Qg7 Qf6 13.Qf6 Nf6 14.cb6 Ra8 15.Nc5 Bc8 16.b7 Bb7 17.Nb7 Ra7 18.Na5 h5 19.Rc1 Rc7 20.Nf3 Ke7 21.d4 Ne4 22.Ne5 Rf8 23.f3 Nf6 24.a4 Kd6 25.g3 Nfd7 26.Nd7 Kd7 27.Nb3 Kd6 28.Kd2 f5 29.Nc5 Rg8 30.Na6 Na6 31.Ba6 Ra8 32.b5 c5 33.b6 Rc6 34.dc5 Kd7 35.Bb5 Ra4 36.Ba4 Kc8 37.Bc6 Kb8 (37...Kb8 38.Ra1 e5 39.Ra8#) 1–0. b4_player (2160) – bad_leroy_brown, GameColony.com, 2004.

4.c4 b6 5.Nf3 h6 (5...Nf6 6.Be2= (6.d4 d5 7.a3 Be7 8.Bd3 dc4=) 6...Be7 7.0–0 0–0 8.d4 Bb7=) 6.d4 (6.Be2 Nf6 7.0–0 Be7 8.d4 0–0+=) 6...Nd7 (6...d5 7.a3+= Nf6 8.Nbd2 Bb7+=) 7.Bd3 (7.d5 e5 8.Bd3 Ngf6+=) 7...Ne7 (7...d5 8.a3+= (8.c5 e5+=) 8...dc4+=) 8.0–0+/– g5 (8...Bb7+/–) 9.Nbd2 Bg7 10.Qc2 Bb7 11.Rac1 (11.h3 Nf6+=) 11...g4 12.Ne1 h5 13.c5 Nf6 14.e4 Bh6 (14...dc5 15.dc5 Nc6 16.a3+=) 15.Rd1 (15.d5 Bg7 16.cb6 cb6 17.de6 fe6 18.Qa4 b5+=) 15...b5 (15...Bg7 16.a3+/–) 16.a4 (16.d5 Bg7 17.de6 fe6+–) 16...Nc6 17.Qb3 (17.Bc3 Bd2 18.Qd2 ba4+/–) 17...ba4 (17...dc5 18.dc5 Nd4 19.Qa3+/–) 18.Qa4 0–0 19.Nc2 h4 20.Qa1 (20.Nb3 Bg7+/–) 20...a5+= 21.b5 Nb4 22.Nb4 ab4 23.Qb1 g3 (23...h3 24.gh3 gh3 25.Kh1+/–) 24.Nf3 (24.c6 Bc8 25.h3 gf2 26.Kh1 Nh5 27.Rf2 d5+=) 24...gf2 25.Kh1 Ng4 26.c6 Bc8 27.Bc1 Ne3 28.Be3 Be3 29.Qb4 h3 30.g3 (30.e5 hg2 31.Kg2 Kh8+/–) 30...e5+= 31.de5 (31.Be2!? ed4 32.Nd4=) 31...Ra2= 32.Be2 Re2 33.Qc4 (33.ed6 Bg4 34.Nd4 Qf6 35.Rg1 Qf3 36.Nf3 Bf3 37.Rg2 hg2) 33...Re1 34.Ne1 Bg4 35.Qd3 Bd1 (35...Bd1 36.Qe3 fe1Q (36...fe1B?! 37.Rf6 Bh5 38.Qg5 Bg6 39.Rg6 fg6 40.Qg6 Kh8 41.Qh6 Kg8 42.Qg6 Kh8 43.Qh6 Kg8 44.Qg6=; 36...fe1N?! 37.ed6 Qd6 38.Re1–/+; 36...fe1R?! 37.Qe1 Bh5 38.ed6 Qd6 39.Qe3–+) 37.Qe1 Bh5–+) 0–1. Roldan,Antonio – Mary,Laurent, IECG, 1999.

4.d4 Nd7 5.Nf3 Ne7 6.c4 g6 7.Be2 Bg7 8.a3 b6 9.Nbd2 Bb7 10.Qc2 h6 11.0–0 g5 12.Rab1 Ng6 13.Rfc1 g4 14.Ne1 Qg5 15.Ne4 Be4 (15...Qf5!? 16.Bd3 Qh5+/–) 16.Qe4 Rc8 17.Qg4 Qe7 (17...Qg4 18.Bg4 c5 19.Bf3+–) 18.c5 Nf6 (better is 18...bc5 19.bc5 dc5 20.Ba6 Rb8+–) 19.Qf3 d5 (19...bc5 20.Ba6 Rb8 21.dc5+–) 20.Ba6 (20.cb6 Rb8 21.bc7 Rc8+–) 20...Nh4 (20...Rb8 21.Bb5 Kd8 22.cb6 Rb6 23.Bd3+–) 21.Qe2 (better is 21.Qh3 Ra8 22.Bb5 Nd7+–) 21...Rb8 22.cb6 Rb6 23.Rc2 Ne4 (23...Kd8 24.b5+–) 24.Rbc1 Ra6 (24...c6 25.Rc6 Rc6 26.Rc6+–) 25.Qa6 0–0 26.Rc7 Qf6 27.f4 (27.Qe2 Ra8+–) 27...Nd2 28.Rc8 (28.Qe2 Nc4+–) 28...Nc4 29.Rf8 Bf8 30.Rc4 dc4 31.Qc4 Qg6 32.g3 Qb1 (32...Nf5 33.d5+–) 33.Qc1 (33.gh4?! Qe1 34.Qf1 Qe3 35.Qf2 Qe4 36.Qg2 Qg2 37.Kg2 Bd6+–) 33...Qc1 (33...Qg6 34.e4!+–) 34.Bc1 Nf5 35.Nd3 1–0. Fournier,Frederic – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Nd7 5.c4 b6 6.Nc3 Bb7 7.Be2 c5 8.bc5 dc5 9.d4 Ngf6 10.d5 ed5 11.Nd5 Nd5 12.cd5 Rg8? (better is 12...Bd6!?+=) 13.0–0 Bd6 14.Rb1 Qc7 15.Qd3 g6 16.Qe4 Kf8? (better is 16...Be7+–) 17.Ng5 h6 (17...Be7 18.Nh7 Ke8 19.Nf6 Nf6 20.Bf6 Rd8+–) 18.Nh7 1–0. pierred – anony, internet, 2014.

4.Nf3 h6 5.Be2 b6 6.0–0 Bb7 7.d4 Nd7 8.c4 Qe7 9.Nbd2 g5 10.a4 h5 11.d5 e5 12.Ne4 g4 13.Nfd2 f5 14.Nc3 Bg7 15.Qc2 Nh6 16.Rae1 0–0 17.f4 gf3 18.Bf3 Ng4 19.h3 Ngf6 20.Qf5 Nd5?? 21.Nd5 Bd5 22.Bd5 Kh8 23.Qh5 Bh6 24.Qh6 Qh7 25.Qh7 Kh7 26.Rf8 Rf8 27.Rf1 Rd8 28.Rf7 Kg6 29.Nf3 c6 30.Be6 Nf8 31.Nh4 Kg5 32.Nf3 Kg6 33.Rf8! Rf8 34.Bd7 c5 35.bc5 bc5 36.Nh4 Kg5 37.Nf3 Kg6 38.Nd2 Rb8 39.Bc3 Rb7 40.Bc6 Rb6 41.Bd5 Kf5 42.e4 Kf4 43.Kf2 Rb8 44.g3 Kg5+– 45.Ke3 Rh8 46.Nf3 Kf6 47.h4 Rg8 48.Be1 Rb8 49.Ng5 Rb3 50.Kf2 Ra3 51.Bc6 Ra2 52.Kf3 Ra1 53.Bf2 Rc1 54.Bd5 Rb1 55.Kg4 Rb8 56.Nf7 Rg8 57.Kh3 Rb8 58.Nd6 Ke7 59.Nf5 Kf6 60.Be3 Rb3 61.Bg5 Kg6 62.Be7 Rb6 63.Bc5 Rf6 64.Ne7 Kg7 0–1. elsh1403 – klopson (1700), kurnik, 2011.

3.e3 b6

4.a3 Bb7 5.c4 Nf6 6.f4 g6 7.Nf3 Bg7 8.Nc3 0–0 9.d4 Nc6 10.Bd3 a6 11.Qe2 d5 12.c5 b5 13.0–0 Qd7 14.Ne5 Ne5 15.fe5 Ne4 16.Be4 de4 17.Rad1 Bd5 18.Rf2 c6 19.Nd5 ed5= 20.Bc3 Qe6 21.Rdf1 Ra7 22.Be1 Bh6 23.g4 Bg5 24.Rg2 Bh6 25.g5 Bg7 26.h4 Rfa8 27.Rgf2 h6 28.Rg2 h5 29.Qf2 Qh3 30.Qg3 Qe6 31.Rf4 Rb8 32.Rgf2 Rba8 33.Kg2 Rb8 34.Qh3 Qe7 35.Qg3 Qd8 36.Rf6 Rbb7?? 37.Rc6+/– a5 38.ba5+– Ra5? 39.Ba5 Qa5 40.Qf4 Qa3 41.e6 fe6 42.Re6 b4 43.Rg6 b3 44.Qf5 b2 45.Qc8 Kh7 46.Qb7 Kg6 47.Qb2 Qe3 48.Qd2 Qd4 49.Qd4 Bd4 50.Rc2 Be5 51.c6 d4 52.c7 Bc7 53.Rc7 d3 54.Kf2 Kf5 55.Ke3 Kg4 56.g6 Kh4 57.g7 Kh3 58.g8Q Kh2 59.Ke4 h4 60.Rd7 h3 61.Rd3 Kh1 62.Rd2 h2 63.Rd1 (63.Qg2) 1–0. amator111 (1720) – jastreb68, kurnik, 2011.

4.b5 Bb7 5.Nf3 Nd7 6.Be2 Ne7 7.a4 e5 8.d4 f6 9.de5 fe5 10.0–0 g6 11.Ng5 Nc5 12.Bf3 d5?? 13.Be5+– Rg8 14.Nc3 Bh6? 15.Nh7 Bg7 16.Bg7 Rg7 17.Nf6 Kf7 18.Nfd5 Nd5 19.Nd5 Qf8 20.Nc7 Rd8 21.Qe2 Bf3 22.Qf3 Kg8 23.Qf8 Rf8 24.Nd5 Ne6 25.Rad1 Ng5 26.h4 Ne4 27.Rd4 Re8 28.Re4! Re4 29.Nf6 Kf7 30.Ne4 1–0. j1a9n55 – anatom3, kurnik, 2011.

4.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 d6).

3.e3 c6

4.Nf3 b5 5.a4+= ba4 6.Be2 Bd7 7.Ra4 c5 8.b5 a6 9.0–0 Qb6 10.c4+/– Nf6 11.d4 Be7 12.Ng5 h6 13.Nh3 cd4 14.Bd4+/– Qb7 15.Bf6 Bf6 16.Bf3 Bc6?? 17.bc6+– Nc6 18.Qd6 Be7 19.Qc6 Qc6 20.Bc6 Kf8 21.Ba8 g5 22.Ra6 Kg7 23.Nc3 Rc8 24.Bc6 Bb4 25.Rc1 Bc3 26.Rc3 Kg6 27.f3 Rb8 28.c5 Rb1 29.Kf2 Rb2 30.Kg3 h5 31.f4 h4 32.Kf3 g4 33.Kg4 Rg2 34.Bg2 f5 35.Kh4 Kf6 36.c6 (36.c6 Kg6 37.c7 Kf7 38.c8Q Kf6 39.Re6 Kf7 40.Rc7) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.Nf3 b5 5.d4 Bb7 6.c4 a6 7.a3+= Be7 8.d5 e5 9.Be2 Nf6 10.Nc3 Nbd7 11.0–0 0–0 12.Qc2 cd5 13.cb5+= Nb6 14.ba6 Ba6 15.Ba6 Ra6 16.Rfd1 Nc4 17.Nd5 Nb2 18.Qb2 Nd5 19.Rd5 Qb6 20.e4 f5 21.ef5 Rf5 22.Qc2 Bf6?? 23.Qf5 e4 24.Qe6 Kf8 25.Qc8 Kf7 26.Qd7 Kg6 27.Qf5 Kf7+– 28.Ng5 Ke7 29.Qe6 Kd8 30.Nf7 Kc7 31.Rc1 Kb7 32.Qd7 Ka8 33.Rc8 Qb8 34.Rb8 Kb8 35.Rb5 Ka8 36.Qb7 1–0. erisonpassos – belarybcia000, kurnik, 2011.

4.Nf3 b5 5.Be2 a6 6.0–0 Be7?? 7.h3?? Bf6+= 8.d3?? Bb2–+ 9.Nbd2 Ba1 10.Qa1 Qf6 11.Qc1 Bb7 12.Ne4 Qe7 13.c4 d5 14.cd5 cd5 15.Nc5 Bc6 16.Ne5 Nf6 17.d4 0–0 18.Bd3 Ne4 19.Ne4 de4 20.Bb1 Bd5 21.Qc2 Rc8 22.Qc8+– Qf8 23.Qc7 f6+= 24.Nd7 Nd7=+ 25.Qd7 Rd8 26.Qa7 Ra8 27.Qb6 Bc4 28.Rc1 Bd3?? 29.Bd3 ed3 30.Qe6 Qf7?? 31.Qf7 Kf7 32.Rd1 Rc8 33.Rd3 Rc1 34.Kh2 Rc2 35.Ra3 Rc6 36.f3 Ke6 37.Rd3 Kd5 38.a3 g5 39.e4 Kd6 40.Kg3 h5 41.f4 gf4 42.Kf4 Kd7 43.e5 fe5 44.de5 Ke7 45.Rd6! Rc4 46.Kg5 Re4 47.Ra6 Re5 48.Kh4 Re6 49.Re6 Ke6 50.Kh5 Kd5 51.Kg5 Kc4 52.Kf5 Kb3 53.h4 Ka3 54.h5 Kb4 55.h6 Ka4 56.h7 b4 57.h8Q Ka3 58.Qa1 Kb3 59.g3 Kc4 60.g4 b3 61.g5 Kb4 62.g6 Kc4 63.g7 Kd3 64.g8Q b2 (64...b2 65.Qd1 Kc3 66.Qgb3; 64...Ke2 65.Qc4 Kf3 66.Qf4 Ke2 67.Qaf1) 1–0. horacyad2010 – takise1xxx, kurnik, 2011.

4.Nf3 Nd7 5.d4 b5 6.a4+= ba4 7.c4 a5 8.Ra4 Bb7 9.Bd3 ab4 10.Rb4 Be7?? 11.Rb7+– g5 12.0–0 g4 13.Nfd2 h5 14.d5 cd5 15.Bh8 dc4 16.Nc4 Bf6 17.Nd6 Ke7 18.Bb5 Bh8 19.Rd7 Qd7 20.Bd7 +–. Fritz 8 – NN, Blitz:1', 2005.

4.Nf3 e5 5.d4 Qc7? 6.de5+– de5 7.Be5 (7.Ne5?! Bb4 8.Nd2 Nf6+=) 7...Qd7 (7...Qe7 8.a3+–) 8.Nbd2 f6 9.Bc3 Ne7 10.e4 Ng6 11.Qb1 Qe6 (11...Qe7 12.Nd4+–) 12.Qb2 (12.Bc4 Qe7 13.Nd4 Na6+–) 12...Bd6 13.0–0–0 (13.Bc4 Qe7+–) 13...b5 14.Nd4 Qd7 (14...Qf7 15.a4! a6 16.Qa3+–) 15.Nf5 Ne5 (15...0–0+–) 16.Nf3 Nf3 (16...Nf7 17.Nd6 Nd6+–) 17.Nd6 (17.gf3?! Bf4 18.Bd2 Be5+–) 17...Kf8 18.gf3 Bb7 19.Bf6 Na6 20.Bh3! Qc7 (20...Qh3 21.Bg7 Deflection) 21.Rhg1 1–0. pierred – anony, internet, 2015.

4.Nf3 e5 5.d4 e4 6.Nfd2 d5 7.a3 =+.

4.Nf3 e5 5.d4 e4 6.Nfd2 f5 7.d5 Nf6 8.Nc3 Be7 9.Bc4 b5 10.Bb3 Bd7 11.a4 0–0?? 12.dc6+– Kh8 13.ab5 Be8 14.Nd5 Bf7 15.c7 Qc8 16.cb8Q Qb8 17.Ne7 Bb3 18.Nb3 Qc7 19.Nf5 Rac8 20.Qd6 Qc2 21.Qe7 Rc7 22.Qf8 (22.Qf8 Ng8 23.Qg7 Rg7 24.Bg7#) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.Nf3 e5 5.d4 e4 6.Nfd2 Nf6 +=.

4.Nf3 e5 5.d4 Bg4 6.Be2 Bf3 7.Bf3 ed4 8.Bd4 Nf6 9.a3 Nbd7 10.Nd2 Qc7 11.c4 Be7 12.0–0 Rd8 13.Qc2 Ne5 14.Bc3 Nf3 15.Nf3 0–0 16.Nd4 Qd7 17.Nf5 d5 18.c5 Rfe8 19.Rfd1 Bf8 20.Rd2?? Ne4–+ 21.Rdd1? g6 22.Ng3 Ng3 23.hg3= Qg4 24.Qb2 Re6 25.Rd4 Qf5 26.Rf4 Qg5 27.Bh8 f5 28.Rd1 Re4?? 29.Re4?? fe4=+ 30.Rd4 Rd7 31.Rd1 Bg7 32.Bg7 Rg7 33.Rd3?? h5 34.Rd5?? cd5 35.Qc3 h4 36.c6 bc6 37.Qc6 hg3 38.Qe8 Kh7 39.f3 (39.Qe6 gf2 40.Kf2–+) 0–1. slavisa10 – Ledgendari, caissa.com, 2004.

3.e3 Bd7

4.d4 Be7 5.Bd3 d5 6.a3 f5 7.f4 Nf6 8.Nf3 Ne4 9.0–0 0–0 10.Nbd2 b5 11.Qe2 c6 12.Ne5 a5 13.c3 a4 14.Ndf3 Bf6 15.g3 Be8 16.Kg2 Bh5 17.h3 Be5 18.de5 Bf3 19.Rf3 Nd7 20.Rh1 Nb6 21.g4 Nc4 22.Bc4 bc4 23.gf5 ef5 24.h4 Qe8 25.Rff1?? Qg6 26.Kh3 Qg3 0–1. amator111 (1665) – greuceanul, kurnik, 2011.

4.f4 Nf6 5.Nf3 g6 6.Be2 Bg7 7.0–0 0–0 8.c4 c6 9.Nc3 b6 10.a4 a6 11.b5 cb5 12.cb5 ab5 13.ab5 Ra1 14.Qa1 Qe8? 15.Na4?? Bb5= 16.Bb5 Qb5 17.Nb6 Ne8 18.Bg7 Ng7 19.Rb1 Qc6 20.Nd4 Qc7 21.Qa3 e5? 22.Nd5 Qd8 23.Nb5 ef4 24.ef4 Nf5 25.g4 Ne7 26.Ne7?? Qe7+= 27.Qd6 Qd6 28.Nd6+/– Rd8 29.Rb6 Nd7 30.Rb7 Nc5= 31.Nf7 Rd2?? 32.Nh6+– Kf8 33.Rh7 Ne4 34.Rf7 Ke8 35.Rg7 Rd6 36.Nf7 Rd7+/– 37.Rg6 Rf7?? 38.Re6+– Re7 39.Re7 Ke7 40.Kg2 Kf6 41.Kf3 Nd2 42.Kg3 Ne4 43.Kf3 Nd2 44.Ke3 Nf1= 45.Ke4 Nh2 46.g5 Kg6 47.Ke5 Ng4 48.Ke6 Ne3 49.Ke5 Nf5 50.Ke6 Nh4 51.f5 Nf5 52.Ke5 Kg5 ½–½. elsh1403 – wilczomlecz, kurnik, 2011.

3.e3 Nd7

4.c4 Ne7 5.Nf3 Ng6 6.d4 Be7 7.Be2 Bf6 8.0–0 b6 9.b5 Bb7 10.Nbd2 0–0 11.Qc2 Re8 12.Nb3 e5 13.Nfd2 a5 14.c5 bc5 15.dc5 Nc5 16.Nc5 dc5 17.Nb3 Be7 18.Nc5?? Bc5–+ 19.Qc5 Qe7 20.Rac1 Be4 21.Qc7 Qc7? 22.Rc7+– Rab8 23.a4 Bc2?? 24.Rc2 h6 25.Rfc1 f6 26.Bc4 Kh7 27.Bd5 Ne7 28.Rc5 Nd5 29.Rd5 Kg6 30.Rc7 Rbc8 31.Rdc5 Rc7 32.Rc7 h5 33.g3 Rd8 34.Bc3 Rd3 35.Ba5 Ra3 36.b6 Ra4 37.b7 Ra5 38.b8Q Ra1 39.Kg2 h4 40.gh4 Ra4 41.Qf8 Rg4 42.Kf3 Kf5 43.Rg7 Rh4 44.Kg3 Rh5 45.Rf7 Rh6 46.Qh6 (46.Qh6 Ke4 47.Rd7 Kf5 48.Qh3 Kg6 49.Qh7 Kg5 50.h4; 46.Qc8 Kg6 47.Qg8 Kf5 48.Qg4) 1–0. carocan (1655) – kopkap, kurnik, 2011.

4.d3 b6 5.a3 Bb7 6.Nf3 Ngf6 7.Be2 g6 8.0–0 Bg7 9.Nbd2 0–0 10.c4 a6 11.Qc2 c5 12.Rfe1 d5 13.cd5 Nd5 14.Bg7 Kg7 15.bc5 Nc5 16.Nc4 Nf6 17.Red1 b5 18.Ncd2 Ncd7 19.Rac1 Rc8 20.Qb2 Qe7 21.a4 Rc1 22.Rc1 b4 23.Rc7 Bf3 24.Nf3 Qd6 25.Rb7 a5 26.Ra7 Nc5 27.Ra5 Nd3 28.Qd2 Qb6?? 29.Rb5+– Qa6 30.Qd3 Qa4 31.Qc4 Qa1 32.Bf1 Nd5 33.e4 Nf4 34.Qd4 Kg8 35.Qa1 1–0. exp2005 – dariuszgrudziadz, kurnik, 2011.

4.d4 Ne7 5.c4 b6 6.Nc3 Bb7 7.Nf3 Rc8 8.b5 c6 9.a4 a5= 10.Be2 c5 11.0–0 Nf5 12.d5+/– e5 13.Ne4 Nf6 14.Qc2 g6 15.Nf6 Qf6 16.Qe4 Bg7 17.Nd2 Qe7 18.Bg4 Nh6 19.Bc8+– Bc8 20.f4?? f5?? 21.Qc2+– e4 22.Ne4 Rg8?? 23.Nf2 Kd8 24.Rae1 Qh4 25.Bg7 Rg7 26.Qb2 Rg8 27.g3 Qe7 28.e4 Qf8 29.e5 Qg7 30.Re2 Nf7 31.Nd3 Re8 32.Rfe1 Kc7 33.ed6 (33...Kb8 34.Qg7+–) 1–0. Plantet,Marc (1920) – Baron,Romuald (1650), St Quentin op 5th, 2002.

4.d4 Ngf6 5.Bd3 =.

4.Nf3 b6 5.a3 Bb7 6.Bc4 Ngf6 7.0–0 g6 8.d4 Bg7 9.Nc3 0–0 10.Rb1 a6 11.d5 ed5 12.Nd5 Nd5 13.Bd5 c6 14.Bg7 Kg7 15.Qd4 f6? 16.Ba2?? Ne5+= 17.Ne5 de5 18.Qd8 Rad8= 19.Rbd1 f5 20.h3 Kf6 21.g4 Ke7 22.g5 f4 23.e4 c5 24.f3 cb4 25.ab4 Rd6 26.Bd5 Bd5 27.Rd5 Rfd8 28.Re5+/– Kf7 29.c4 Rc8 30.c5 bc5 31.Rc5 Rb8 32.Rb1 Rd3 33.Kf2 Rb6 34.Rc7 Kg8 35.Rc8 Kf7 36.Rc7 Kf8?? 37.Ke2?? Ra3 38.Rd1 Rb8? 39.Rdd7 Rb3 40.Rh7 R3b4 41.Rh8 1–0. erisonpassos – dariuszgrudziadz, kurnik, 2011.

4.Nf3 b6 5.Be2 Bb7 6.0–0 Ngf6 7.a3 h5 8.c4 h4 9.h3 Nh7 10.Nc3 Ng5 11.Ng5 Qg5 12.Bf3 c6 13.d4 Rc8 14.b5 e5 15.bc6 Bc6 16.Bc6 Rc6 17.Qa4 Rc7 18.Nd5 Rb7 19.Qc6 Rb8 20.de5 Qd8 (20...Rh6 21.Rfd1 a6+–) 21.Nc7 Ke7 (21...Qc7 22.Qc7 Rh5+–) 22.ed6 (22.Qd6?!=) 1–0. b4_player – kaller, internet, 2013.

4.Nf3 e5 =.

4.Nf3 Ngf6 5.d4 Be7 6.Bd3 c6 7.0–0 Qc7 8.a3 a5 9.c3 0–0 10.Nbd2 ab4 11.cb4 e5 12.de5 de5 13.Ne4 Ne4 14.Be4 f6 15.Qc2 h6?? 16.Rfd1 Kh8? 17.Nh4+– Kg8?? 18.Qc4 Rf7 19.Bg6 Nb6 20.Qf7 Kh8 21.Bf5 Bf5+– 22.Nf5 Rg8 23.Qe7 Qe7 24.Ne7 Re8 25.Ng6 Kh7 26.Nh4 e4 27.Nf5 Nc4 28.Rab1 Nb2 29.Rb2 Re5 30.Nd4 h5 31.Ne2 g5 32.Rbd2 Kg6 33.Rd4 b6 34.Nc3 Kf5 35.Rc4 c5 36.bc5 bc5 37.Rd5 Rd5 38.Nd5 Ke5 39.Nb6 f5 40.a4 Kd6 41.a5 Kc6 42.Rc1 Kb5 43.Ra1 Ka6 44.Nc4 f4 45.ef4 gf4 46.Kf1 h4 47.h3 Kb5 48.a6 Kc4 49.a7 Kd3 50.a8Q c4 51.Qd5 Kc3 52.Rc1 (52.Rc1 Kb2 53.Qd2 Ka3 54.Ra1 Kb3 55.Rb1 Ka3 56.Qa5) 1–0. Fournier,Frederic – carlosdiaz (1725), Active, 2007.

4.Nf3 Ngf6 5.Be2 Be7 6.0–0 b6 7.Nd4 Bb7 8.Bb5 a6 9.Nc6+= Bc6 10.Bc6 Rb8 11.Qe2 b5 12.a4 ba4 13.Ra4 0–0 14.Bd4 Nb6 15.Ra6+– d5 16.c3 Nc4 17.Ba7+– Qc8 18.b5 Bd6 19.Bb8 Qb8 20.d4 Ne4 21.f3 Nf6 22.e4 Be7 23.ed5 Nd5 24.Bd5 ed5 25.Qe7 Re8 26.Qc5 Qd8 27.Na3 Nd2 28.Rd1 Nf3 29.gf3 Qg5 30.Kh1 h6 31.Qc7 Re2 32.Rg1 Qh5 33.Ra8 Kh7 34.Rg4 Qh3 35.Rh8 Kh8 36.Qc8 Kh7 37.Rg7! Kg7 38.Qh3 Re1 39.Kg2 Re2 40.Kf1 (40.Kf1 Ra2 41.Qg2 Rg2 42.Kg2+–) 1–0. guest2119 – guest624, ICC, 2002.

3.e3 e5

4.d4 Nf6 5.Nd2 Ng4 6.Ngf3 Qh4?? 7.Nh4+– Be7 8.Nhf3 Nc6 9.b5 Na5 10.de5 de5 11.Bc3 e4 12.Ne4 0–0 13.Qd4 Nc6 14.Qg7 1–0. Double Wood – Doobi, ChessWorld.net, 2005.

4.d4 Nf6 5.de5 Ne4 6.Bd3 Ng5 7.ed6 cd6 8.h3 d5 9.Nf3 Ne6? 10.a3+/– Nc6 11.0–0 Bd6 12.c4 0–0?? 13.cd5+– Ne7 14.de6 fe6 15.Qc2 Nf5 16.Qc3 Qf6 17.Qd2 e5 18.Be4 Bd7 19.Nc3 Rae8 20.Nd5 Qg6 21.Rac1 h5 22.Nh4 Qg5 23.Nf3 Qg6 24.Nc7 Bc7 25.Qd7 Re7 26.Qd5 Qf7 27.Ne5 Be5 28.Be5 Rd7 29.Qf7 Rdf7 30.Bd5 Re8 31.Bf7 Kf7 32.Rc7 Re7 33.Re7 Ne7 34.Rc1 Ke6 35.Bg7 Nf5 36.Rc7 h4 37.Rb7 Kd5 (37...Kd5 38.Ra7 Kc6+–). markmooney – Doobi, ChessWorld.net, 2005.

3.e3 Ne7

4.c4 a5 5.b5 c6 6.a4 cb5 7.ab5 Bd7 8.Nf3 d5 9.Qb3 dc4 10.Bc4 Qb6 11.0–0 Nf5 12.d4 Nd6 13.Nbd2 Nc4=+ 14.Nc4 Qb5 15.Qb5 Bb5–/+ 16.Nfd2 Bb4 17.Rfc1 0–0 18.Ba3 Nc6 19.Nb6? Bd2 20.Rc2 Ra6 21.Rd2? Rb6 22.Bf8 Kf8 23.d5 ed5 24.Rd5 Be2 25.h3 Ra6 26.f4 b5 27.Kf2 Bc4 28.Rc5 Nb4 29.e4 Nd3 30.Ke3 Nc5 0–1. carocan (1775) – facehead (1635), kurnik, 2011.

4.Be2 Nd7 5.Bf3 e5 6.Ne2 Ng6 7.d4 f6 8.de5 Nge5 9.Ng3 Be7 10.0–0 0–0 11.Nd2 c6 12.a3 d5 13.c4 Nf3 14.Qf3 Ne5 15.Qe2 dc4 16.Nc4 Be6 17.Ne5 fe5 18.h3 Bf6 19.Ne4 Bh3?? 20.Nf6 Qf6 21.gh3 Qg5 22.Kh2 Rf7 23.Qg4 Qe7 24.Rad1 Raf8 25.f3 Qc7 26.e4 c5 27.bc5 Qc5 28.Bc1 Qc2 29.Rd2 Qc3 30.Rdf2 Rf3?? 31.Rf3 Rf3 32.Rf3 Qc2 33.Kg3 h6 34.Bh6 Qc5 35.Qg7 1–0. wojtekkk – ardeleanu59, kurnik, 2011.

3.e3 f6

4.d4 Qe7 5.a3 Bd7 6.Bd3 Nc6 7.c4 0–0–0 8.Nd2 d5 9.c5 Nb8 10.Ne2 e5 11.0–0 e4 12.Bc2 Nh6 13.Nc3 c6 14.a4 f5 15.g3 Ng4 16.b5 Qf6 17.bc6 Bc6 18.h3 Nh6 19.Nb5 a6 20.Nd6 Bd6= 21.cd6 Qd6 22.Ba3 Qg6 23.Bb3 Nd7 24.Rc1 Nf6 25.Qe2 Nfg4?? 26.Rc6!+– bc6 27.Qa6 Kd7 28.Qb7 Ke8 29.hg4 Ng4 30.Kg2 h5?? 31.Rc1 Rh6 32.a5 (32.a5 Qf7 33.Qb6+/–; 32.Qe7) 1–0. amator111 (1740) – muscacostica, kurnik, 2011.

4.d4 g6 5.c4 Bg7 6.Be2 Ne7 7.Nf3 c6 8.0–0 Nd7 9.a4 0–0 10.Nbd2 e5 11.de5 de5 12.Ne4 Nb8 13.Qd8 Rd8 14.Rfd1 Nd7 15.Nd6 Bf8 16.Nc8 Rac8 17.c5 Kg7 18.Bc4 a5 (better is 18...b6+/–) 19.Bc3 (better is 19.Be6!? Rc7 20.b5 Nc5 21.Rd8 Ne6 22.Rdd1+=) 19...ab4 (19...Nd5!? 20.Bd5 cd5 21.Rd5 ab4 22.Bb4 Nc5 23.Rd8 Rd8=) 20.Bb4+= Nf5? (20...Nd5!? 21.Ba5 Nc7+=) 21.Ba5 (21.Be6 Nc5 22.Bc8 Rc8 23.Bc5 Bc5 24.Rd7 Ne7+–) 21...b6 (better is 21...Bc5!? 22.Bd8 Rd8+/–) 22.cb6 Ra8?? (better is 22...Nc5 23.Rd8 Rd8+–) 23.Bc3 (better is 23.b7 Ra5 24.Rd7 Rd7 25.b8Q+–) 23...Nb6+= 24.Rd8 Rd8 25.Be6 Nd6 26.Ba5 Rb8 27.Bb6 Rb6+= 28.a5 Ra6 29.Nd2 Be7 30.Nc4 Nc4 31.Bc4+/– Ra7 32.a6 Bb4 33.Kf1 c5 34.Ke2 h5 35.f3 g5 36.h3 Kg6 37.e4 f5 38.ef5 Kf5 39.Bd3 Kf6 40.Ke3 Bc3 41.Bc4?? Bd4 42.Ke4 h4 43.Rb1+– Bc3?? 44.Rb7 Ra8 45.a7 Rd8 46.Bd5 Ba5 47.Rb8 Rd5 48.Kd5 Bc7 49.Rc8 Bb6 50.a8Q (50.a8Q Bd8 51.Qc6 Kg7 52.Rd8 e4 53.Rd7 Kf8 54.Qc8#) 1–0. Fournier,Frederic (1745) – Nik0, ChessOK.com, 2012.

4.Qh5 g6 5.Qh4 Nd7 6.Bd3 Bg7 7.Nf3 Ne7 8.Ng5?? fg5–+ 9.Qg5 Bb2 10.Nc3 Ba1 11.0–0 Bc3 12.dc3 Nf5 13.e4 Qg5 14.ef5 gf5 15.g3 f4 16.Re1 Ne5 17.Kf1 Nd3 18.cd3 fg3 19.hg3 Rf8 20.Re4 Qg3 21.Re2 Qd3 22.a4 Qc3 23.b5 e5 24.a5 Bh3 25.Kg1 Rg8 26.Kh2 Rg2 27.Kh1 Qc1 28.Re1 Qe1 0–1. elsh1403 – ksysiu12, kurnik, 2011.

4.Qh5 g6 5.Qh4 Be7 6.f4 f5 7.Qf2 Bf6 8.c3 c6 9.Nf3 d5 10.d4 Nd7 11.Ne5 Ne5 12.de5 Be7 13.a3 a6 14.c4 b5 15.cd5 cd5 16.Nd2 Qd7 17.Nf3 Bb7 18.Nd4 Bd8 19.Rc1 Bb6 20.Be2 Bd4 21.ed4 h5 22.0–0 Rc8 23.Rc8 Qc8 24.Rc1 Qd7 25.Rc5 Ne7 26.Bf3 Nc6 27.h3 Qe7 28.Rc2 Kf7 29.Rc5 Rc8 30.Rc2 Na7 31.g4 hg4 32.hg4 Rc2 33.Qc2 Nc6 34.g5 Kg7 35.Qh2 Kf8 36.Qh6 Qg7+= 37.Kf2 Qh6 38.gh6 Kg8 39.Bd1 Kh7 40.Bc3 Kh6 41.a4 g5 42.Ke3 g4 43.ab5 ab5 44.Be2 Ba6 45.Kf2 Kh5 46.Kg3 Na7 47.Bf1 Bb7 48.Be2 Bc6 49.Bf1 Bd7 50.Be2 Nc8 51.Bf1 Nb6 52.Be2 Na4 53.Bb2?? Nb6 54.Bc3–/+ Nc4 55.Bf1 Ne3 56.Be2 Nc2 57.Bd3 Na3 58.Bb2 Nc4 59.Bc3 Bc6 60.Bc4 bc4 61.Bd2 Bb5 62.Bc3 Ba4 63.Bd2 Bb5 64.Bc3 Ba6 65.Bd2 Bb5 ½–½. elsh1403 (1610) – ebolowa, kurnik, 2011.

4.Qh5 g6 5.Qh4 Bg7 6.Nf3 h5 7.b5 g5 8.Qa4 Ne7 9.Bc4 0–0 10.0–0 Bd7 11.Qb3 d5 12.Be2 g4 13.Nh4 c6 14.c4 cb5 15.cd5 ed5 16.e4 Bc6 17.Bb5 Bb5 18.Qb5 de4 19.Qc4 Kh7?? 20.Qe4+= f5 21.Qe6?? Bb2–+ 22.Nc3 Bc3 23.dc3 Nbc6 24.Rad1 Qc8?? 25.Qd6?? Qd8 26.Qe6 Qc8?? 27.Rd7+= Kh8?? 28.Rfd1 Rg8?? 29.Qh6 1–0. elsh1403 – ksysiu12, kurnik, 2011.

3.e3 Nf6

4.b5 c6 5.a4 a6 6.Nc3 Bd7 7.Nf3 Be7 8.Bd3 0–0 9.Qe2 c5 10.ba6 Na6 11.Ba6 Ra6 12.Nb5 Qb6 13.c4 d5 14.d3 Rd8 15.0–0 Bc6 16.Ne5 Rda8 17.h3 Nd7 18.Nd7 Bd7 19.Rfb1 Qd8 20.Qg4 Bf6 21.Bf6 Qf6 22.Nc7 Ra4 23.Ra4 Ra4 24.cd5?? Ra1 25.Ra1= Qa1 26.Kh2 Qe5 27.Qg3 Qg3 28.Kg3 b5 29.de6 fe6 30.Kf4?? b4–+ 31.Na6 b3 32.Nc5 b2 33.Nd7 b1Q 34.Ne5 Qf1 35.Kf3 Qd1 36.Kg3 g6 37.d4 Kg7 38.Ng4 h5 39.Ne5 Kf6 40.Nd7 Kg5 41.h4 Kf5 42.Ne5 g5 43.hg5 Kg5 44.Nf3 Kf5 45.Nh4 Kg5 46.Nf3 Kf5 47.Ne5?? Ke4–+ 48.Nf7 Qg4 49.Kh2 Qf5 50.Nd6+– Kd5 51.Nf5 1–0. j1a9n55 – 44t, kurnik, 2011.

4.Bb5 c6 5.Be2 e5 6.a3 =.

4.Bb5 c6 5.Be2 Be7 6.Nf3 Qb6 7.a3 a5 8.b5 cb5 9.Bd4 Qc6 10.Nc3 0–0 11.Nb5 Qc7?? 12.Nc7+– (12.Nc7 Ra6 13.Na6 Na6 14.Ba6 ba6 15.Bf6 Bf6 16.Rb1+–) 1–0. marekt – guest, internet, 2007.

4.Bb5 c6 5.Be2 Rg8 6.Nf3 g6 7.0–0+= Bg7 8.Nc3 a5 9.b5 cb5 10.Nb5 Bd7?? 11.Nd6+– Ke7 12.Ba3 Nc6 13.Nb7 Nb4 14.Nd8 Rgd8 15.c3 Ng4 16.d4 e5 17.cb4 ed4 18.Nd4 ab4 19.Bb4 Ke8 20.Nf5! Bf6 21.Qd6 Ra7 22.Qf8# 1–0. kamret (2230) – 4movecheckmate, GameColony.com, 2003.

4.Bb5 Bd7 5.Be2 a6 6.Nf3= Be7 7.a3 0–0 8.0–0 Bc6 9.d3 Nbd7 10.Nd4 e5 11.Nc6+= bc6 12.c4 d5 13.Qa4 c5 14.cd5 Nd5 15.Qc6+/– N5f6 16.Bc3 cb4 17.ab4 Bd6 18.Na3 Qe7 19.Rfb1 Nb6+= 20.Bf3 Rab8 21.Nc4 Nc4 22.Qc4 Qe6 23.Ra6 Qc4 24.dc4 e4 25.Be2 Rfe8 26.b5 Be5 27.Be5 Re5 28.Rc6 Rb7 29.c5 Nd7 30.Rd1 Nf8 31.Bc4 g6 32.h3 Kg7 33.Rd8 Ne6? 34.Be6 Re6 35.Re6 fe6 36.Rd7 Kf6 37.b6! Rb8 38.Rc7 Ke5 39.b7 Kd5 40.c6 Kc5 41.Rc8! Kb6 42.Rb8 Ka7 43.c7 (43.c7 Ka6 44.c8Q Kb6 45.Ra8 h6 46.b8Q#) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.Bb5 Bd7 5.Be2 Be7 6.a4 0–0 7.c4 Nc6 8.b5 Ne5 9.Nf3 Nf3 10.Bf3 e5 11.Bb7 Rb8 12.Bf3 a6 13.0–0 Be6 14.Be2 c6 15.Nc3 cb5 16.ab5+/– ab5 17.cb5 d5 18.d4 e4 19.Qb3 Bd6 20.Ba3 Qc7 21.Bd6 Qd6 22.Ra6?? Qc7 23.b6 Qb7 24.Na4 Nd7 25.Rb1 Bg4?? 26.Bg4+– Qa6 27.b7 Nf6+= 28.Bd1 Nd7 29.Nc5 Nc5 30.dc5+– Rfd8 31.h3?? Rd7–/+ 32.c6? Qc6–+ 33.Qa4 Qa4 34.Ba4 Rdb7 35.Rb7 Rb7 36.Bc6 (36...Rb1 37.Kh2–+). TIROLOCO – Orval, caissa.com, 2004.

4.Bb5 Nbd7 5.Nf3 a6 6.Bd7 Qd7 7.c4 b6 8.Bf6= gf6 9.0–0 Bb7 10.Nc3 Be7 11.d4 Rg8 12.d5 e5 13.Ne1+= 0–0–0 14.b5 a5 15.Qh5 Rg7 16.e4 Rdg8 17.f4 Kb8 18.f5 Qe8 19.Rf2 Rg5 20.Qh3 h5 21.Nf3 Rg4 22.Qh5 Qf8 23.Qh3 Qg7 24.Ne1 Rh8 25.Qe3 Qh7 26.Nf3 Bf8 27.Ne2 Bh6 28.Qd3 Rhg8 29.Rb1 Qg7 30.g3 Qh7 31.Rb3 Rh8 32.Qc2 Bf4 33.Nfd4 Bg3 34.Rg3 Rg3 35.Ng3 ed4 36.Qd2 Rg8 37.Qd4 Qh4 38.Rg2 Qg4 39.Qf6 Qd1 40.Kf2 Qc2 41.Kf3 Qc4 42.Re2 Qd3 43.Re3 Qd1 44.Kf2 Qc2 45.Ne2 Qa2 46.Qf7 Rc8 47.f6 Qa4? 48.Qe7 (48.Qe7 Qa1 49.Rf3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.c4 a6 5.Nf3 h6 6.Be2 Be7 7.0–0 0–0 8.Nc3 b6 9.a4 Bb7 10.d4 Ne4 11.Ne4 Be4 12.Nd2 Bg6 13.Bf3 d5 14.cd5 ed5 15.Qb3 c6 16.b5 f5? (better is 16...Re8!?+/–) 17.bc6+– Bf7 18.Rfc1 Bd6 19.g3 Bc7 20.Bg2 a5 21.Nf3 Na6 22.Qb5 Be6 23.Ne5 Be5 24.de5 Nc7 25.Qb6 Rb8 26.Qd4 Rb4 27.Qd2 Qb8 28.Ba3 1–0. Vuojolainen,Kari – Hanninen,Olli, Joensuu We JoeSK op, 2004.

4.c4 Nbd7 5.Nf3 b6 6.d4 Bb7 7.Be2 Bf3 8.Bf3 Rb8 9.b5 Be7 10.0–0 0–0 11.a4 d5 12.Nd2 Bb4 13.Qc2 Bd2 14.Qd2 dc4 15.Qb4 Nd5 16.Qc4 N7f6 17.Rfc1 Rc8 18.a5 Qd7 19.Qc6 Rfd8 20.Rc4 Qc6 21.Rc6 Rd6 22.Rc4 c6? 23.Rac1 ba5 24.Ba3 Rd7 25.bc6 Rdc7 26.Bd6 a4 27.Bc7 Rc7 28.Ra4 g6 29.Ra6 Nb6 30.e4 Kf8 31.g4 Ke7 32.g5 Ng8 33.d5 Kd6 34.Rca1 Ne7 35.Ra7 ed5 36.Rc7 Kc7 37.ed5 Ned5 38.Bd5 Nd5 39.Ra7 Kc6 40.Rf7 Nf4 41.Rh7 Kd5 42.Rf7 Ke5 43.h4 Nh5 44.Kg2 Ke6 45.Rf8 Ke5 46.Kf3 Ke6 47.Rh8 Ng7 48.Kg4 Kf7 49.Rh7 Kg8 50.Rg7! Kg7 51.f4 Kf7 52.f5 Kg7 53.f6 Kf7 54.h5 gh5 55.Kh5 Kg8 56.g6 Kh8 57.Kh6 Kg8 58.g7 Kf7 59.Kh7 Kf6 60.g8Q Kf5 61.Qg6 Kf4 62.Kh6 Ke5 63.Kg5 Kd4 64.Qe6 Kd3 65.Kf4 Kd4 66.Qe5 Kd3 67.Qe4 Kc3+– 68.Qd5 Kc2 69.Ke3 Kc3 70.Qd4 Kb3 71.Qc5 Kb2 72.Kd3 Kb3 73.Qc4 Kb2 74.Qc3 Kb1 75.Qd2 Ka1 76.Kc3 Kb1 77.Qb2 1–0. carocan (1775) – lozniert5234, kurnik, 2011.

4.c4 Be7 5.d4 0–0 6.Nf3 c5 7.b5 b6 8.Be2 Bb7 9.0–0 Nbd7 10.Nbd2 Rc8 11.Rc1 d5 12.a4 dc4 13.Nc4 cd4 14.Nd4 Nc5 15.Bf3 Nd5 16.Ne5 Bf6 17.Nd3 Nd3 18.Qd3 Rc1 19.Rc1 Nb4 20.Qb3 Nd5 21.Nc6 Qa8 22.Bd5+– ed5? 23.Bf6 gf6 24.Qd5 a6 25.Rc4 ab5 26.Qb5 Ba6?? 27.Ne7 Kh8 28.Qf5 h6 29.Rh4 Kg7 30.Rg4 Kh8 31.Ng6! (31.Ng6 fg6 32.Qg6 Qa7 33.Qh6 Qh7 34.Qf8 Qg8 35.Qg8) 1–0. carocan (1765) – dorazka, kurnik, 2011.

4.c4 Be7 5.Be2 0–0 6.Nc3 h6 7.f4 Nbd7 8.Nf3= Nb6 9.0–0 Bd7 10.b5 c5 11.a4+= a5 12.Qc2 Qc7 13.Nd1 Rfd8 14.Nf2 Bc8 15.Bd3 Nbd7 16.Ne4 b6 17.Ng3 Bb7= 18.Qc3 Bf8 19.Qc2 Re8 20.Ne4 Ne4 21.Be4 Be4 22.Qe4 Nf6 23.Bf6+/– gf6 24.Nh4 Bg7 25.Rac1 f5= 26.Qd3 Rad8 27.Rf3 Qe7 28.Rh3 Qf6 29.Nf3 Qb2 30.Rb1 Qf6 31.Rg3 Kh7 32.Qc2 Qe7 33.Rh3 Bf6 34.Ne1 Rg8 35.e4 Bd4 36.Kh1+= Qf6 37.ef5 ef5 38.Nf3 Rg4 39.Nd4 cd4+= 40.Rf3 Re8 41.Qd3 Re4 42.Rbf1 Qe6 43.h3 Rg6 44.R3f2 h5 45.Qf3+= Kh6 46.Qd3 h4 47.Qc2 Qc8 48.d3+= Re3 49.Qd1 Qb7 50.Rf3+= Rg3 51.Rg3 Rg3 52.Rf3 Qe7 53.Kh2 Rg6 54.Qg1 Qe2= 55.Qf2 Qe7?? 56.Qd4+– (56.Qd4 Qd8 57.Re3+–) 1–0. Devis,Wim – Cools,Eric, Beveren, 1995.

4.c4 Be7 5.Nf3 0–0 6.d4 d5 7.Qb3 a6 8.Bd3 dc4 9.Bc4 Nc6 10.a3 b6 11.0–0 b5 12.Bd3 Bb7 13.Nbd2 Bd6 14.Rfd1 Ne7 15.Rac1 Ng6 16.Qc2 Nd7 17.e4 Rc8 18.e5 Be7 19.Be4 c6 20.Nb3 Nb8 21.Nc5 Bc5 22.dc5 Qe7 23.Rd6 Rfe8 24.Rcd1 Nf8 25.Bc1 h6 26.Nd4 Nfd7 27.f4 Nf8 28.a4 Qc7 29.f5 ef5 30.Bf5 Re5 31.Bc8 Qc8 32.Nf3 Qf5?? 33.Qf5 Rf5 34.Rd8 Nbd7 35.R1d7 1–0. Solari,Pablo (1660) – Pintos,Luis, Montevideo URU, 2nd Latinoamerican Cup, 2011.

4.c4 g6 5.Nf3 Bg7 6.d4 Ne4 7.Be2 0–0 8.0–0 c5 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Nd7 13.Qc2 f5 14.Bd3 Ng5 15.Nfd2 cd4 16.ed4 e5 17.Nb3 e4 18.Be2 Ne6 19.Rd1 Qg5 20.c5 Nf4 21.Bf1 d5 22.c6 bc6 23.Qc6?? Nf6 24.Nc5?? Ng4 25.g3 Nh5?? 26.Ne6 Be6+= 27.Qe6 Kh8 28.h4 Qh6 29.Qd5? Ngf6?? 30.Qa2 g5 31.hg5 Qg5 32.Qd2 Qg4 33.Bg2 Rg8? 34.Nc3+/– Bf8 35.Qe2 Qg7 36.Ne4 Ne4?? 37.Be4 fe4 38.d5?? Nf6= 39.d6 h5?? 40.d7 Be7+/– 41.Bf6 Bf6 42.Qh5 Qh7 43.Qh7 Kh7 44.Kg2 Rd8 45.Rd6 Bd4?? 46.Rd4 1–0. carocan (1725) – jerzyslowik, kurnik, 2011.

4.Be2 b6 5.Nf3 Bb7 6.0–0 Qe7 7.c4 Nbd7 8.d4 Ne4 9.Nbd2 Nef6 10.Bd3 g6 11.e4 Bg7 12.e5 de5=+ 13.de5 Nh5 14.Re1 0–0 15.Be2 f6 16.ef6 Nhf6 17.Bf6 Nf6=+ 18.Rb1 Rae8 19.Ne5 Nh5 20.Bh5 gh5 21.Qh5?? Rf5–+ 22.Qg4 Kh8?? 23.f4 Be5–/+ 24.Re5 Rf6?? 25.Rbe1 Rg8 26.Rg5 Rfg6 27.Rg6 Rg6–/+ 28.Qd1? Rg2–+ 29.Kf1 Qh4 30.Ne4 Qf4?? 31.Kg2= Be4 32.Re4 Qe4–+ 33.Qf3 Qc2 34.Kg3 Qg6 35.Kf2 h5 36.Qf8=+ Kh7 37.Qe7 Kh6 38.Qc7 Qc2 39.Kg3 Qc3 40.Kg2 (40...Qe3 41.c5=+). bashful – WhiteMamba, caissa.com, 2004.

4.Nf3 Be7

5.a3 0–0 6.Be2 a5 7.ba5 Ra5 8.0–0 Nc6 9.d3 Nd5 10.Nbd2 h5 11.c4 Nf6 12.Nb3 Ra8 13.Nfd4 Nd4 14.Nd4 e5 15.Nb5 c6 16.Nc3 Bg4 17.h3 Be2 18.Qe2 Nd7 19.Qh5+/– f6 20.d4 f5 21.de5 de5 22.Ne2 Qe8 23.Qe8 Rae8 24.Rfd1 Nc5? 25.Be5+– Nb3 26.Rab1 Na5 27.Bc3 Nc4 28.Rb7 Na3? 29.Bb4 Bb4+/– 30.Rb4 f4? 31.Nf4+– Nc2?! 32.Rc4 Na3 33.Rc6 Rd8 34.Rd8 Rd8 35.Rc7 Rd1 36.Kh2 Rd2 37.Kg3 Nc2 38.Ne6 Ne1 39.Rg7 Kh8 40.Rf7 Rd6 41.Nf4 Kg8 42.Ra7 Nc2 43.Kh4 Nb4 44.g4 Nc6 45.Rc7 Ne5 46.Kg5 Nf3 47.Kf5 Nh4 48.Ke5 Ra6 49.g5 Nf3 50.Kf5 Ra5 51.Kg4 Ng5 52.h4 Ne4 53.h5 Nf2 54.Kf3 Nd1 55.h6 Ra7 56.Ra7 (56.Ra7 Ne3 57.h7 Kh8 58.Ng6; 56.h7 Kh8 57.Ng6) 1–0. exp2005 – traker69, kurnik, 2011.

5.a3 Nbd7 6.d4 a6 7.Be2 b6 8.Nbd2 Bb7 9.0–0 h6 10.h3 g5 11.Nh2 Nf8 12.Ng4 Ng4 13.Bg4 Ng6 14.Bf3 Qd7?? 15.d5 e5+/– 16.e4 Nf4 17.Bg4 Qd8 18.Bc1 h5 19.Bf5 Bc8 20.Nb3 Bf5 21.ef5 Qd7 22.Bf4 gf4 23.Qd3 0–0–0?? 24.Qa6+– Kb8 25.Qd3 Rdg8 26.a4 Rg5 27.a5 Rhg8 28.g3 fg3 29.f3 b5 30.a6 Rf5 31.Nd2?? Rfg5 32.Ne4 R5g7 33.a7 Ka8 34.c4?? bc4 35.Qc4=+ Qh3?? 36.Qc6 1–0. wojtekkk (1620) – byk1956, kurnik, 2011.

5.c4 e5 6.a3 b6 7.Be2 Bb7 8.0–0 h6 9.d3 Nbd7 10.Nc3 Nh7 11.d4 e4 12.Nd2+– f5? 13.Bh5 Kf8 14.Bg6 c6 15.Bf5 d5 16.f3 ef3 17.Rf3 Ndf6 18.c5 g5? 19.e4 Kg7 20.e5 Nh5 21.Rf1 Qe8 22.Qg4 Bc8 23.Bc8 Rc8 24.Rf3 Rf8 25.Raf1 Rf3 26.Rf3 Rd8 27.Ne2 Qg6 28.Rh3 Nf4+/– 29.Nf4 gf4 30.Qg6 Kg6 31.Nf3 bc5+= 32.dc5 a5? 33.Nd4+– Rc8 34.Rf3 ab4 35.ab4 Bg5 36.Bc1 Ra8 37.Rf1 Ra1 38.Nc6 Kf5 39.Bb2 Ra2 40.Rb1 Ke4 41.e6 Kd3 42.e7 Ra8 43.Re1 Re8 44.Be5 Kd2 45.Ra1 1–0. Trip,R – de Kruyk,N, Barneveld, 2000.

5.Be2 0–0 6.0–0 a6 7.c4 b6 8.d4 Bb7 9.Nbd2 Nbd7 10.Qc2 Rc8 11.a4 c5 12.b5 cd4 13.Nd4 ab5 14.ab5 Ne5 15.N2f3 Nf3 16.Bf3 Bf3 17.Nf3 d5 18.Ra7 Rc4=+ 19.Qd3 Ne4 20.Ne5 Rc7 21.Nc6 Qd7 22.Rfa1 Bc5 23.Rc7 Qc7 24.Ra7 Qd6?? 25.f3 Nf6? 26.Bf6 gf6= 27.g3 Kg7 28.Kg2 e5 29.Qf5 Kh8 30.g4 Be3–/+ 31.h4 Bf4 32.Qh5 d4?? 33.Rf7+= Rf7 34.Qf7 Qd8?? 35.Ne7 d3 36.Qf6 1–0. ejdrzej (1650) – kent03, kurnik, 2011.

5.Be2 0–0 6.0–0 Nc6 7.b5 Na5 8.c4 c6 9.a4 d5 10.Qc2 Bd7 11.Nc3 Nc4–/+ 12.Bc4 dc4 13.Ne5 Nd5 14.Nc4 cb5 15.ab5 Nc3 16.Bc3 Bb5–/+ 17.Qb3 a6 18.Rfc1 Rc8 19.Ne5 Bf6 20.d4 Bc6 21.Ba5 Qe7?? 22.Bb4+/– Qc7? 23.Ba5?? Qb8=+ 24.Rc2? Be5–+ 25.de5 Qe5 26.Rac1?? Qa5 27.Ra2 Qd5 28.Qb2 Qg2 0–1. elsh1403 – dinkodinev, kurnik, 2011.

5.Be2 c6 6.0–0 Qc7 7.c4 Nbd7 8.Nc3 b6 9.d4 a6 10.a4 Bb7 11.Qb3 c5 12.b5 a5 13.Rad1 0–0–0 14.d5 e5 15.Ng5 Rdf8 16.Nce4 h6 17.Nf6 gf6 18.Nf3 Rhg8 19.Nh4 Rg5 20.f4 Rg7?? 21.Nf5 Rg2 22.Kg2 Rg8 23.Kh1 Bd8 24.Rg1 Rg1 25.Rg1 Kb8 26.Rg8 Ka7 27.Bg4 Bc8 28.Ng7 Nb8 29.Bc8 Qc8 30.f5 Qd7 31.e4 Qe7 32.Qd1 Nd7 33.Qh5 Nf8 34.Qh6 Nd7 35.Qh8 Bc7 36.Ra8 Kb7 37.Qc8 1–0. elsh1403 – costagalo2, kurnik, 2011.

5.Be2 Nbd7 6.0–0 0–0 7.c4 h6 8.d4 Nh7 9.a4 Bf6 10.Nc3 e5 11.Qb3 ed4 12.ed4 Ng5 13.Rad1 Nf3 14.Bf3 Bg5 15.Rfe1 Qf6 16.Ne4 Qf5 17.Ng3 Qg6 18.Be4 f5? 19.Bd5 Kh8 20.Re6 Nf6=+ 21.Ree1 Nd5 22.cd5 f4 23.Ne4 Bf5 24.Ng5 Qg5 25.Bc1 Qh4 26.h3? Qg5 27.Qf3 Qg6 28.Bf4 Bc2 29.Rd2 Ba4 30.Qg3 Qf6 31.Be3 Bb3 32.Rc1 Rac8 33.Ra1 a6 34.Ra5 Bc4 35.Rc2 Bb5 36.Ra1 Bd3 37.Rc3 Be4 38.Rac1 c6 39.dc6 Bd5 40.cb7+/– Bb7 41.Rc7 Rc7 42.Rc7 Bd5 43.Rd7 Bc4? 44.Rd6+– Qf5 45.Rg6 Rg8? 46.Bh6! Kh7 47.Rg7 (47.Rg7 Kh6 48.Rg8 Qb1 49.Kh2 Bg8 50.Qg8 Qb4 51.Qe6 Kg7 52.Qe5 Kf7 53.d5+–) 1–0. elsh1403 – orcyk1, kurnik, 2011.

3.e3 h6

4.a3 a6 5.c4 Nd7 6.f4 c6 7.Nf3 Qc7 8.d4 b6 9.Nbd2 Bb7 10.Rc1 Ngf6 11.Bd3 Ng4 12.Qe2 h5 13.0–0 0–0–0 14.h3 Nh6 15.c5 d5 16.cb6 Nb6 17.Nb3 Na4 18.Ba1 Nf5 19.Rfd1 Kb8 20.Na5 c5? 21.bc5 Bc6?? 22.Nc6+– Qc6 23.Rb1 Ka7 24.Rb4 Rb8 25.Rdb1 Rb4 26.Rb4 Be7 27.Ba6! Ng3?? 28.Qb5 Qb5 29.Bb5 Nc5 30.dc5 Bc5 31.Ra4 Kb6 32.Bd3 Be3 33.Kh2 Nf5 34.Bf5 ef5 35.Bg7 Rg8 36.Be5 f6 37.Bf6 Bf4 38.Kg1 d4 39.Bd4 Kb5 40.Rb4 Ka5 41.Kf1 Rc8 42.Bb6 Ka6 43.Rf4 Kb6 44.Rf5 Rh8 45.h4 Kc6 46.Kf2 Rd8 47.a4 Ra8 48.a5 Rh8 49.Ke3 Kb7 50.Kd4 Ka6 51.Kc4 Rc8 52.Kb4 Rb8 53.Ka4 Rh8 54.Rf6 Ka7 55.a6 Rg8 56.Ne1 Rg4 57.Kb5 Rh4 58.Rf7 Ka8 59.Nd3 Rg4 60.Kb6 Rg6+– 61.Kb5 h4?? 62.Nf4 Rg5 63.Kb6 Rg3 64.Rf8 1–0. amator111 (1630) – karnawale, kurnik, 2011.

4.c4 Nf6 5.Nf3 Be7 6.Be2 Nbd7 7.0–0 a6 8.d4 c6 9.a4 0–0 10.Qb3 Nh7 11.Nbd2 Ng5 12.b5 ab5 13.ab5 Ra1 14.Ra1 Nf3 15.Nf3 Nf6 16.Ra8 Qc7 17.b6 Qd7 18.Bd3 Nh7 19.d5 cd5 20.cd5 e5 21.Bb5 Qd8? 22.Nd2?? Qb6= 23.Nc4 Qc7 24.h3 Bf5 25.Rf8 Bf8 26.Ba3 Nf6 27.Qb4 Bc8 28.Ne5 de5?? 29.Qf8+/– Kh7 30.d6 Qb6?? 31.Bf1 Be6= 32.Qa8 Nd7 33.Qa4 Qc6 34.Qc6 bc6+= 35.f4 ef4 36.ef4 g6 37.Kf2 c5 38.Ke3 Nb6 39.Bc5+– Nd5 40.Ke4 Nc3? 41.Kd3 Nd5 42.g3 Bf5 43.Kd4 (43.Kd4 Nf6 44.Bg2+–) 1–0. carocan (1760) – taebek, kurnik, 2011.

4.Nf3 a6 5.Be2 b6 6.0–0 Bb7 7.c4 Nd7 8.d4 Ngf6 9.a4 g5 10.Nc3 Bg7 11.d5 e5 12.e4 Nh7 13.Qd2 Qe7 14.Nd1 Nhf6 15.Bd3 Nh5 16.g3 Bf6 17.Ne3 Rg8 18.Nf5 Qf8 19.Rfc1 Bc8 20.Ba3 Nb8 21.c5 Bf5 22.ef5 e4? 23.Be4 Ba1 24.Ra1 Nd7 25.cd6 cd6 26.Re1 0–0–0 27.Rc1 Kb7+= 28.b5 a5 29.Nd4 Nhf6 30.Rc6?? Ne4–+ 31.Qd3 Ndc5 32.Bc5 Nc5 33.f6 Nd3 (33...Nd3 34.Nf5 Qe8–+) 0–1. elsh1403 – klopson (1695), kurnik, 2011.

4.Nf3 a6 5.Be2 Bd7 6.0–0 Be7 7.Bg7+/– Rh7 8.Bb2 Bf6 9.Bf6 Qf6+/– 10.d4 Nc6 11.Bd3 Rg7 12.g3 Nb4= 13.a3 Nd3 14.Qd2?? Qf3–+ 15.Qd3 h5 16.Nd2 Qg4 17.h4 Bb5 18.c4 Bd7 19.Rfb1 b6 20.e4 Nf6 21.e5 de5 22.de5 Nh7 23.Rd1 0–0–0 24.Ne4 f5 25.Nd6? cd6 26.Qd6 Rgg8 27.Qb6 Qf3 28.Rab1 Qa8?? 29.Qc5?? Bc6–+ 30.Rdc1? Rd7 31.Rb6 Rgd8?? 32.Rc6+– Qc6 33.Qc6 Rc7 34.Qe6 Kb7 35.Rb1 Ka7 36.Qb6 Ka8 37.Qc7 (37.Qc7 Rd1 38.Rd1 Nf6 39.Rd8; 37.Qa6 Ra7 38.Qc6 Rb7 39.Qb7) 1–0. erisonpassos – przylot, kurnik, 2011.

4.Nf3 a6 5.Be2 Nf6 6.0–0 g6 7.c4 Bg7 8.Qb3 Nbd7 9.d4 Qe7 10.Nbd2 0–0 11.Rac1 Rb8 12.Rfd1 b6 13.a4 Bb7 14.c5 bc5 15.dc5 dc5 16.Ba3? Bd5 17.Bc4 cb4 18.Bb2 Bb7 19.Nd4 c5 20.N4f3 a5 21.Bb5 Nb6 22.Bf6 Bf6 23.e4 Bc3 24.Qc2 Kh7 25.Re1 Rbc8 26.Nc4? Nc4 27.Bc4 Bc6 28.Re2 Rcd8 29.Rd1? Rd1 30.Qd1 Rd8 31.Qc2 Kg7 32.g3 g5 33.e5 Bf3 34.Re3 Rd1 (34...Rd1 35.Bf1 Qb7–+) 0–1. elsh1403 – klopson (1815), kurnik, 2011.

4.Nf3 b6 5.Be2 Bb7 6.0–0 a6 7.h3 Nd7 8.c4 f6 9.d4 g5 10.a4 f5 11.d5 e5 12.Nh2 Qe7 13.f4 e4?? 14.Bh8+– 1–0. horacyad2010 – rado1978, kurnik, 2011.

4.Qg4 a6 5.Bg7+= Be7?? 6.Bh8+– Nf6 7.Qg7 1–0. Wall,Bill – Ogando, chess.com, 2008.

3.Nf3 b6

4.e3 Nd7 5.Be2 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 Qe7 9.0–0 Nh6 10.c4 e5 11.d3 Qe6 12.Nbd2 Be7 13.e4 0–0 14.Nb3 c5 15.b5 Nf6 (15...f5!?=) 16.Ng5+= Qd7 17.Qd2 Nfg4 18.h3 Nf6 19.Bc3 Ne8 20.Nf3 f5 21.ef5 Nf5 22.Nh2 h6 23.Bg4 Bg5 24.Qe2 Qf7 25.Nf3 Be6 26.Ng5 hg5 27.Nd2 Nh4 28.Be6 Qe6 29.Nf3?? (better is 29.d4+/–) 29...Nf3 30.gf3 Qh3 31.Ra1 Rf3 (better is 31...Rf4 32.Qf1 Qf3–+) 32.Qf1 Qf5 33.Rd1? (33.Bd2–+) 33…Rf4 (33...Rf4 34.f3 Rf3–+) 0–1. Fournier,Frederic (1850) – petrel (1635), Active, 2007.

4.e4 Bb7 5.Nc3 Qd7 6.d4 Nc6 7.a3 g6 8.Bd3 Nf6 9.0–0 Bg7 10.e5 (10.d5 Ne7+=) 10...Ng4 (better is 10...de5!? 11.Ne5 Qd4=) 11.h3 Nh6 12.Re1 0–0–0 13.Ne4 d5 (13...de5!? 14.de5 Nf5+=) 14.Nf6+/– Bf6 15.ef6 Nf5 16.Ne5 (better is 16.b5!? Na5 17.Ne5+/–) 16...Ne5+= 17.de5 Kb8 18.a4 d4 19.Qe2 Qd5 20.f3 (20.Qf1 Nh4 21.Be4 Qd7+/–) 20...Ne3+= 21.Bc1 (better is 21.Be4 Qc4 22.Bb7 Qe2 23.Re2 Kb7 24.Bd4 Rd4 25.Re3 Rb4 26.Rd3+=) 21...h5?? (21...Qe5 22.a5+=) 22.Bb2?? (better is 22.Be3 de3 23.Qe3+–) 22...Qe5+= 23.c3 dc3–/+ 24.Bc3?? Qc3–+ 25.Qe3 Rd3 26.Qf4 Bf3! 27.Rac1 Qb2 28.Qc7–/+ Ka8 29.gf3 Qd4 30.Kh1 Qd5 31.Re4? Rd1 32.Rd1 Qd1 33.Kg2 Qa4 34.Rd4 Qa2 35.Kg3= h4 36.Kg4?? Qg2–+ 37.Kf4 Qh2 38.Ke4 Qc7 (38...Qc7 39.Kd3 Rc8 40.Rc4 Qc4 41.Ke3 Qb3 42.Kf4 Rc4 43.Ke5 Qb4 44.f4 Qc5) 0–1. adamant – Idris, playchess.de, 2003.

3.Nf3 Nc6

4.a3 Bd7 5.e3 f6 6.c4 Qe7 7.Qb3 g6 8.Be2 Bg7 9.0–0 Nh6 10.Nc3 0–0 11.d4 Kh8 12.d5 Ne5 13.Nd4 ed5 14.Nd5 Qd8 15.Nf3 c6 16.Ne5 fe5 17.Nc3 Be6 18.Rad1 b5 19.Qc2 bc4 20.Ne4? Bf5–/+ 21.Qc4 d5 22.Qc6 Be4 23.f3 Rc8 24.Qb5 a6! 25.Qa6 Bc2 26.Rd2 Bb3 27.Rc1 Rc1 28.Bc1 Qc8 29.Bb2 Qa6 30.Ba6 Nf5 31.Kf2 d4 32.e4 Ne3 33.Bd3 Rc8 34.a4? Ba4–+ 35.g3 Bh6 36.f4 Ng4 37.Kf3 Nf6 38.Re2 Nd7 39.h4? Bd1 40.Bb5 Be2 41.Ke2 Nb6 42.fe5 Rc2 43.Kf3 Rb2 44.e6 Bf8 45.Bc4 Nc4 (45...Nc4 46.g4 d3–+) 0–1. orangutanb4 (1990) – amirbg (1730), kurnik, 2011.

4.b5 Na5 5.e3 b6 6.Be2 a6 7.c4 Bb7 8.0–0 ab5 9.cb5 c6 10.Nc3 c5 11.d4 c4 12.e4 Nf6 13.d5 e5 14.Nd2 h5 15.Bc4 g6 16.f4 Ng4 17.Qf3+– f5 18.h3 Qh4 19.ef5 gf5 20.Qd3 Bc8 21.Nf3 Qf6 22.Ng5?? Nc4? 23.Qc4+– Ne3 24.Qc6 Bd7 25.Qa8 Ke7 26.Ne6! Be6 27.de6 Nf1 28.Nd5 Ke6 29.Nf6 Kf6 30.fe5 Kg6 31.Qe8 Kg5 32.Rf1 Bg7 (32...Bg7 33.Bc1 f4 34.Bf4 Kf5 35.Bh6 Ke4 36.Qc6 Ke5 37.Bg7 Ke6 38.Qe4 Kd7 39.Rf7 Kd8 40.Qa8; 32...f4 33.Qd8 Kg6 34.Qb6 Be7 35.ed6 Bd8 36.Qd4 Rg8 37.Qe4 Kh6 38.Qf4 Bg5 39.Qe5 h4 40.a4 Ra8 41.Qg7 Kh5 42.Qh7 Bh6 43.Rf5) 0–1. ncc_1701 – Garyman, ChessWorld.net, 2005.

4.b5 Nb4? 5.c4+– d5 6.a3 dc4 7.ab4 Bb4?? 8.Bg7 (8...Bd7 9.Qa4+–) 1–0. Wall,Bill – Debonaire, Internet, 2002.

4.b5 Ne5 5.Ne5+/– de5 6.Be5 Qd5 7.Bc7+/– Qb5 8.Nc3 Qc6 9.Be5 f6 10.e4 Bb4?? 11.Bb5+– (11.Bb5 fe5 12.Bc6 bc6 13.Qh5 Kf8 14.Qe5+–) 1–0. pierre – miketysonofchess, internet, 2011.

4.b5 Nce7 =.

3.Nf3 Bd7

4.e3 Bc6 5.b5 Bd7 6.Nc3 a6 7.a4 a5 8.Bc4 d5+/– 9.Bd3 Be7 10.0–0 Bf6 11.e4 de4 12.Be4 Bc6?? 13.bc6 bc6 14.Qe2 Ra7 15.Rab1 Rb7 16.d4! Rb4 17.h3 Rd4 18.Nd4 Bd4 19.Rfd1 c5 20.Nb5 c6 21.Nd4 cd4 22.Bd4 Nd7 23.Bg7 f5 24.Qh5 Ke7 25.Bh8 fe4 26.Qh7 Ke8 27.Qg8 Ke7 28.Qh7 Ke8 29.Bf6! Qf6 30.Qd7 Kf8 31.Rb8 Qd8 32.Rd8# 1–0. mtr – NN, internet, 2009.

4.e3 Be7?? 5.Bg7+– Bf6 6.Bh8 Ba1 7.Ba1 Nc6 8.b5 Ne5 9.Ne5 de5 10.Be5 f6 11.Bb2 b6 12.Qh5 Ke7 13.Ba3 c5 14.bc6 1–0. juanpacio – tche_elvio, internet, 2008.

3.Nf3 Nd7

4.e3 c5 5.bc5 Nc5 6.Bb5 Bd7 7.Bd7 Qd7 8.Nc3 Na6 9.0–0 Nf6 10.e4 d5 11.ed5 ed5 12.Re1 Be7 13.Ba3 0–0?? 14.Re7 Qg4 15.Rb7 Nh5 16.Bf8 Rf8 17.Nd5 Nc5 18.Rc7 Ne4 19.Ne5 Qg5 20.Ne7 Kh8 21.Nf7! Rf7 22.Rc8 Rf8 23.Rf8 1–0. Fournier,Frederic (2080) – Laccompagnatrice, Active, 2004.

4.e3 Ngf6 5.Nc3 d5 6.Be2 (6.a3 a5=) 6...g6 (6...Bb4 7.0–0+=) 7.0–0 (7.a3 Be7=) 7...Bg7 (7...Bb4!? 8.a3 Be7+=) 8.h3 0–0 9.d3 a6 10.Qd2 b5 (10...Qe7!? 11.a4 b6=) 11.a4+/– c6 (better is 11...ba4 12.Na4 Rb8+/–) 12.e4?? (better is 12.ab5 cb5 13.Nb5+–) 12...de4+= 13.Ne4?? (better is 13.de4 Ne4 14.Ne4 Bb2 15.Ra2=) 13...Ne4–+ 14.de4 Bb2 15.Ra2 Bg7 16.Rd1 Bf6 (16...Qb6!? 17.Qf4–+) 17.ab5 Nb6?? (17...cb5 18.e5 Be7 19.Bb5 Qc7 (19...ab5?! 20.Ra8 Nb6 21.Qd8 Bd8 22.Ra5+=) 20.Bd7 Rd8–+) 18.Qd8 Rd8 19.Rd8 Bd8 20.ba6 Bc7 21.Nd4 Bd7 22.Nb3 f5 23.c4 fe4 24.Nc5 Bc8 25.b5 cb5 26.cb5 e5 27.Ne4= Be6 28.Rc2 Rc8 29.Ng5 Bf5= 30.Rc6 Bd8 31.g4 Rc6 32.bc6 Bc8 33.Ne4 Be7 34.a7 Kf8 35.Nc3 Be6?? 36.Ba6 Bb4+= 37.Nb5 Bd5 38.c7 Be6?? 39.Bb7 Bc5 40.a8Q Na8+/– 41.Ba8 Bc8 42.Kg2 Ke7 43.Kf3 Kd7= 44.Ke4 Bf2 45.Ke5 Bb6 46.Kf6 Bc7 47.Kg7 h5 48.Kg6 hg4= 49.hg4 Bf4 50.Kh5 Ke7 51.g5 Bd7 52.Nd4 Be8 53.Kh6 Bd7 54.Nf5 Bf5 0–1. soltpl (1705) – mauro1236, gameknot.com, 2013.

4.e3 Ngf6 5.d4 Be7 (5...e5 6.c4=) 6.Bd3 c6 (6...0–0 7.0–0=) 7.0–0 (7.c4 a5 8.b5 cb5 9.cb5 0–0+=) 7...Qb6 (7...d5 8.a3=) 8.a3+= e5 (8...d5!?+=) 9.de5+/– Nd5? (better is 9...de5 10.Ne5 Ne5 11.Be5 Bg4+/–) 10.ed6 (10.c4 Ne3 11.fe3 Ne5+–) 10...Bd6 (10...Bf6 11.Bf6 N5f6 12.e4+–) 11.Bg7 Rg8 12.Bd4 Qd8 (12...c5 13.Bh7 cd4 14.Bg8+–) 13.Bh7 Rf8 (13...Rg4 14.h3 Rh4 15.Nh4 Qh4 16.Bf5+–) 14.Bg7 1–0. Wall,Bill – Akibar, internet, 2005.

4.e3 Ngf6 5.Be2 d5 =.

4.e4 Ngf6 5.Bd3 d5 =.

4.e4 h6 5.Bd3 e5 6.0–0 g5 7.Nc3 c6 8.Be2 g4 9.Ne1 h5 10.d4 Bg7 11.d5 a6 12.dc6+/– bc6 13.Qd6 Bb7 14.a3 Bf8 15.Qd1+– Qg5 16.Bc4 0–0–0? 17.Qe2 Nb8 18.Bf7 Rd2 19.Bc1 Bh6 20.Qc4 g3 21.Bd2 gh2 22.Kh1 Qd2 23.Rd1 Qg5 24.Nf3 Qg7 25.Qe6 Kc7 26.Qd6 Kb6 27.Qc5 Kc7 28.Qa5 (28.Qa5 Kc8 29.Rd8#) 1–0. wesolyPolak (1700) – madlob (1605), GameColony.com, 2002.

3.Nf3 Ne7

4.c4 f6 5.d4 Nec6 (5...e5 6.e4=) 6.a3 Bd7 (6...e5 7.d5 Ne7 8.e4+=) 7.e3 a6 8.Nc3 Ne7 9.Qc2 b5 (better is 9...c5!?+/–) 10.cb5+– ab5 11.Nb5 Bb5 (11...Bc6 12.Be2+–) 12.Bb5 c6 13.Bc4 d5 14.Bd3 g6 15.0–0 Nc8 16.Rfe1 Nb6 17.e4 Bd6 (17...Kf7 18.Nd2+–) 18.e5 (18.ed5 Nd5 19.Re6 Kf7+–) 18...fe5 19.de5 Be7 20.Nd4 Qc8 (20...Kf7 21.Nc6 Nc6 22.Qc6+–) 21.Re3 (better is 21.Be2+–) 21...N8d7?? (21...Na4 22.Rh3 Kd7+–) 22.Bg6! hg6 (22...Kf8 23.Ne6 Kg8 24.Rg3 Bg5 25.Rg5 Qd8 26.Bh7 Kf7 27.Rg7 Ke6 28.Qc6#) 23.Qg6 Kd8 24.Ne6# 1–0. pierre (1985) – chsen, internet, 2006.

4.e4 Ng6 5.Nc3 Be7 6.Be2 0–0 7.0–0 Nd7 8.d4 b6 9.Qd2 Bb7 10.Rfe1 Rb8 11.h3 c5 12.b5 cd4 13.Qd4 e5 14.Qd2 Nc5 15.Bc4+= Bf6 16.Rad1 d5 17.Nd5 Bd5 18.Qd5 Qd5 19.Bd5 Rbd8 20.g3 Ne7? 21.Ne5 Nd5 22.ed5 Be5 23.Re5 f6 24.Re3 Rf7 25.Ba3 Rfd7 26.Bc5 bc5 27.c4 g5 28.Kg2 Kg7 29.Re6 Kg6 30.Rde1 h5 31.Rc6 h4 32.Rc5 f5 33.Rc6 Kh5 34.Re5 Rf7 35.Rf5! Rf5 36.g4# 1–0. pierre – kajurore, internet, 2008.

3.Nf3 f6

4.Nc3 e5 5.e4+= Ne7 6.Bc4 a6 7.0–0 b5 8.Bb3 c6 9.a4 g6 10.d4 ed4? 11.Qd4+– Qc7?? 12.Qf6 Rg8 13.Bf7 Kd7 14.Ne5! de5 15.Rad1 Nd5 16.Qe6 Kd8 17.Qe8# (17.ed5?! Be6 18.de6 Kc8 19.Bg8 ba4+=) 1–0. pierre – darkheroe, internet, 2008.

4.e3 b6 5.Be2 Bb7 6.0–0 Nd7 7.h3 Ne7 8.d4 g6 9.c4 Bg7 10.a4 0–0 11.Nbd2 c6 12.Rb1 Rb8 13.Nh2 a6 14.f4 c5 15.b5 cd4 16.Bd4 e5 17.fe5 fe5 18.Bb2 Qc7 19.Bf3 Bf3 20.Nhf3 ab5 21.ab5 Nc5 22.Nb3 Ne4 23.Qd5?? Nd5–+ 24.cd5 Qb7 25.Rfc1 Qd5 26.Rd1 Qb5 27.Nbd2 Nd2 28.Rd2 Qc5 29.Rbd1 Qe3 30.Kh1 e4 31.Bg7 ef3 32.Bf8 fg2 33.Kg2 Rf8 34.Rd6 Rf2 35.Kg1 Qg3 36.Kh1 Qg2 0–1. horacyad2010 – kemotomek, kurnik, 2011.

4.e4 c6 5.d4 d5 6.ed5 cd5 7.a3 b6 8.c4 dc4 9.Bc4 Nc6 10.0–0 Bd6 11.d5 Ne5 12.Bb5 Kf7 13.de6 Be6 14.Ne5 Be5 15.Be5 fe5 16.Qf3 Ke7 17.Nc3+– Nf6 18.Rad1 Qb8 19.Bc6 a6? 20.Ba8 Qa8 21.Qa8 Ra8 22.Rfe1 Nd7 23.f3 Rc8 24.Rc1 Kf7 25.Kf2 Kf6?? 26.Ke3 g5?? 27.g4 Nb8? 28.Ne4 Kg7 29.Rc8 Bc8 30.Ng5 h6 31.Ne4 Nc6 32.Nd6 Be6 33.h4 Kf6 34.Nf5! Bf5 35.gf5 Kf5 36.Rc1 Nd4 37.Rc8 Ne6 38.Rc6 a5 39.Rb6 ab4 40.Rb4 Nc5 41.a4 Na6 42.Rb6 Nc5 43.a5 Na4 44.Rb8 Nc5 45.Rc8 Na6 46.Rc6 Nb4 47.Rh6 Nd5 48.Kd2 Nc7 49.a6 Nb5 50.Rh7 Kg6 51.Rb7 Nd6 52.Rb6 Kf5 53.Rd6 (53.Rd6 e4 54.fe4 Ke5 55.Rd8 Ke6 56.a7 Kf6 57.a8Q Ke6 58.Qd5 Kf6 59.Rd7 Kg6 60.Qg5) 1–0. bratek55 (1645) – maximus900, kurnik, 2011.

4.e4 Nc6 5.b5 Nce7 6.d4 Nh6 7.Bd3 Nf7 8.0–0 g6 9.Nbd2 Bg7 10.c4 0–0 11.Qb3 c6 12.a4 d5 13.ed5 cd5 14.Rfe1 f5 15.Ne5 Nd6 16.f3 dc4 17.Ndc4 Nc4 18.Bc4 Qb6 19.a5 Qd6 20.Rad1 Re8?? 21.Ba3 Qc7 22.Rc1 Kh8 23.Be6 Be6 24.Qe6 Nc6 25.Qb3 Nd4?? 26.Qd5 Qd8 27.Nf7 Kg8 28.Nd8 (28.Nd8 Ne6 29.Re6 Bd4 30.Re3 Re6 31.Qe6 Kg7 32.Qe7 Kh6 33.Qh4 Kg7 34.Rc7 Kg8 35.Qh7; 28.Nh6 Kh8 29.Qg8 Rg8 30.Nf7) 1–0. bratek55 (1605) – zakqpmk (1630), kurnik, 2011.

4.e4 Bd7 5.Bc4 Qe7 6.d4 d5= 7.Bd3 Kd8 8.c3 c6 9.0–0 Na6 10.Nbd2 Nc7 11.Re1 Qf7 12.ed5 ed5 13.a4 Ne7 14.Nb3 b6 15.h3 Nc8 16.Qc2 Nd6 17.Re2 Be7 18.Rae1 Re8 19.Bh7 Bf8 20.Bg6 Re2 21.Re2 Qg8 22.Bc1 Kc8 23.Bf4 Kb7 24.a5 Ne6 25.Bd6 Bd6 26.Qd3?? Nf4=+ 27.Qc2 Ne2 28.Qe2 Be8 29.Bd3 Bd7 30.Ba6 Kc7 31.Bd3 Re8 32.Qa2 b5 33.Nc5 Bc5 34.bc5 a6 35.Qc2 g5 36.Bf5 Bf5 37.Qf5 Qe6 38.Qh7 Re7 39.Qh8 Re8 40.Qh7 Qe7 41.Qf5 Rd8 42.Qg4 Rd7 43.h4 gh4 44.Qh4 Qh7 45.Qf4 Kb7 46.Qf6 Rf7 47.Qd6 Qb1 48.Kh2 Rh7 49.Kg3 Rg7 50.Kh3?? Qh7 51.Nh4–/+ Qd3 (51...Qd3 52.f3 A) < 52...Qc3 53.Qd8 Qd4 54.Qb6 Kc8 55.Qa6 (< 55.Qc6 Kb8=) 55...Kb8 56.Qc6+/–; B) 52...Qf1–/+) 0–1. bratek55 (1635) – maximus900, kurnik, 2011.

4.e4 g6 5.d4 Nh6 6.Bc4 Nf7 7.0–0+/– Bg7 8.Nbd2 0–0 9.Re1 c6 10.Bb3 d5 11.c4 f5 12.e5 g5 13.g3 h5 14.Rc1 h4 15.gh4 g4 16.Ng5 Ng5 17.hg5 Qg5 18.Kh1 Kf7 19.Rg1 Rh8 20.Rg2 Bh6 21.Nf1 Qh4 22.cd5 cd5 23.Rc7 Ke8?? 24.Rc8+– Ke7 25.Rh8 a5 26.Bc1 (26.Bc1 Kd7 27.Bh6+–) 1–0. bratek55 (1640) – zakqpmk, kurnik, 2011.

4.g3 Be7 5.Bg2 Bd7 6.c4 c6 7.Nc3 Na6 8.b5 Nc7 9.0–0 b6? (better is 9...cb5 10.cb5 d5=) 10.Nd4+– d5 11.bc6 Bc8 12.cd5 Nd5 (12...ed5 13.Qb3+–) 13.Nd5 ed5 14.Qb3 Bc5 15.c7 (15.Bd5?! Ne7 16.Bf7 Kf8+–; 15.Qd5?! Qd5 16.Bd5 Ne7+–) 15...Qc7 16.Bd5 (16.Qd5?! Rb8+–) 16...Rb8 17.Bg8 Bd4 18.Bd4 Bb7 19.Rac1 Qd6 (19...Qd7+–) 20.Qf7 Kd8 21.Qg7 Rg8 22.Bf6 Ke8 23.Qg8 Kd7 (23...Qf8 24.Qe6 Qe7 25.Qe7) 24.Qf7 Qe7 25.Qe7 1–0. b4_player – valentino, internet, 2013.

3.Nf3 Nf6

4.d3 Be7 5.e4 b6 6.Be2 Bb7 7.0–0 Nbd7 8.c4 0–0 9.Nbd2 c5 10.a3 Rc8 11.b5 Re8 12.Qc2 Bf8 13.Rfd1 e5 14.Nf1 g6 15.Ne3 Bg7 16.Nd5 Bd5 17.cd5 Nh5 18.g3 f5 19.Nh4 Rf8? 20.Bh5+– gh5 21.Nf5 Rf5 22.ef5 Nf6 23.h3 Nd5?? 24.Qc4 1–0. bratek55 (1630) – piolini (1605), kurnik, 2011.

4.d3 g6 5.e4 Bg7 6.Be2 b6 7.0–0 Bb7 8.c4 Nbd7 9.Nbd2 a6 10.Qb3 h6 11.Rac1 0–0 12.Nd4 c5 13.Nc2 Kh7 14.a3 Qe8 15.f4 Qe7 16.Nf3 Rfe8 17.h3 d5 18.e5 Ng8 19.cd5 Bd5 20.Qc3 Rec8 21.Qd2 Qd8 22.Ne3 Bb7 23.Rfd1 Ne7 24.Nc4 b5 25.Nd6+– Rc6?? 26.Nb7 Qb6 27.Nc5 Nc5 28.Rc5 Rc5 29.bc5 Qc5 30.d4 Qb6 31.Rc1 Nd5 32.g3 Bf8 33.Kg2 a5 34.Bd3 b4 35.a4 Qd8 36.Be4 Ra7 37.Bd5 Qd5 38.Kf2 Qd7 39.Qc2 Qd5 40.h4 Be7 41.h5 Rb7 42.hg6 fg6 43.Qc6 b3 44.Qd5 ed5 45.g4 Kg7 46.f5 gf5 47.gf5 Bb4 48.f6 Kf7 49.Rg1 Ke6 50.Ke2 Rc7 51.Rc1 Rh7?? 52.Rc6 Kf5 53.Nh4 Kg4 54.Ng6 h5 55.e6 Kf5 56.f7 Kg6 57.Bc3 Be7 58.Rc7 Kf6?? 59.Be1 Ke6–+ 60.Bg3 h4 61.Bh2? h3 62.Rc6 Kf7 63.Rb6 Rh4 64.Kd3 Rg4 65.Be5 Rg2 66.Rb3 Rg3 67.Bg3+– h2 68.Rb1 Kg6 69.Rh1 Kf5 70.Rh2 Kg4 (70...Kg4 71.Bc7 Bh4+–) 0–1. bratek55 – kingkrool (1605), kurnik, 2011.

4.e3 a6 5.Be2 Be7 6.0–0 0–0 7.d3 h6 8.Nbd2 Bd7 9.c4 b6 10.a4 a5 11.b5 d5 12.Ne5 c6 13.Bf3 Bd6 14.Ng4 (better is 14.Nd7!? Nfd7 15.bc6+/–) 14...Ng4= 15.Bg4 f5 16.Bf3 Be8 17.e4 Be7 (better is 17...fe4!? 18.de4 d4=) 18.cd5 fe4 19.de4 cd5 20.ed5 ed5 21.Nc4! dc4 22.Ba8 Qc7? (22...Bf7 23.Qg4 Bf6 24.Rad1+–) 23.Bc3 (23.Rc1 Bd6 24.Rc4 Bc5+–) 23...Bf7? (23...Bd6 24.h3+–) 24.Bf3 (better is 24.Qg4 Bg5 25.f4+–) 24...Bb4 25.Qc2 Bc3 26.Qc3 Nd7 27.Rad1 Nf6 28.Bc6 Rd8 29.Rd8 Qd8 30.Re1 Qd3 31.Rc1 Qd6 32.Bf3 Bd5? (32...Qf4+–) 33.Bd5 Qd5 34.Qc4 Qc4 35.Rc4 1–0. Kappel,Ray – Kohler, 2011 SB–1 Lechenicher SchachServer, 2011.

4.e3 c5 5.bc5 dc5 6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 Be7 9.c3 0–0 10.d4 b6 11.Nbd2 Qc7 12.h3 e5 13.Rc1 ed4 14.cd4 Qb7 15.dc5 bc5 16.Rb1 Qc6 17.Qc2 a5 18.Rfc1 Rfc8 19.Nd4 Qa6 20.N4f3 a4 21.a3 Nd5 22.Qc4 N5f6 23.Ne4 Qc4 24.Rc4 Nb6 25.Nf6 Bf6 26.Rcc1 Bb2 27.Rb2 Nd5? 28.Rbc2 Ra5+= 29.Ne5 f6 30.Nc4 Rb5?? 31.Nd6+– Rcb8 32.Nb5 Rb5 33.Rc5 Rc5 34.Rc5 Nb6 35.Rb5 Nc4 36.Rb4 Na3 37.Ra4 Nc2 38.Kf1 1–0. Fournier,Frederic (1635) – chicovi (1650), Active, 2006.

4.e3 Be7 5.d4 0–0 6.c4 a6 7.Nbd2 c6 8.a4 d5 9.Rc1 Bb4=+ 10.Bd3 Bd2 11.Qd2 Nfd7 12.0–0 f5 13.c5 Qf6 14.h3 g5 15.Nh2 Rf7 16.f4 Rg7 17.Rf2 Nf8 18.fg5 Qg5 19.Rcf1 Ng6 20.Nf3 Qe7 21.Bc1 Nd7 22.a5 Nf6 23.Kh1 Bd7 24.Bb1 Rf8 25.Qb2 Be8 26.Qe2? Ne4 27.Be4=+ fe4 28.Nd2 Rf2 29.Rf2 Nh4 30.Nf1 Qg5 31.Bd2 Bh5 32.g4 Be8 33.Nh2 Rf7 34.Rf7 Bf7 35.Qf2 Bg6 36.Qf4 Qf4 37.ef4 h5 38.Be3 Kf7 39.Kg1 Ke7 40.Kf2 hg4 41.hg4 Bh7 42.Kg3 Ng6 43.Nf1 Kf6 44.Nd2 Nf8 45.Nb1 Ke7 46.Nc3 Bg6 47.Na4 Kd7 48.Nb6 Kc7 49.Kh4 Be8 50.Kg5 Kd8 51.Kf6+/– Nd7 52.Nd7 Kd7 53.g5 Bh5 54.g6 Bg6 55.Kg6 Ke7 56.Kg7 e5 57.fe5 Ke6 58.Kg6 Ke7 59.Kf5 Kf7 60.e6 Ke7 61.Ke5 Ke8+– 62.Kd6 Kd8 63.e7 Ke8 64.Bg5 e3 65.Be3 (65.Be3 b5 66.ab6 Kf7 67.b7 a5 68.b8Q a4 69.Qf8 Kg6 70.e8Q Kh7 71.Qfe7) 1–0. futsalboy (1760) – waldekbb, kurnik, 2011.

4.e3 Be7 5.Be2 0–0 6.0–0 b6 7.Nc3 Bb7 8.a4 a6 9.a5 b5 10.d3 h6 11.Na2 Nc6 12.e4 d5 13.e5 Nd7 14.Qd2 f6 15.ef6 Bf6 16.d4 Kh8 17.Rae1 e5 18.de5 Nde5 19.Ne5 Be5 20.Be5 Ne5 21.f4 Nc4 22.Qd4 Qf6 23.Qf6 Rf6 24.Bc4 dc4 25.Re7 Rc8 26.Nc3 Kg8 27.f5 Kf8 28.Re5 Re8 29.Re8 Ke8 30.g4 Kf7 31.Kf2 Rd6 32.Ke3 Rd7 33.Rf2 Re7 34.Kd4 Rd7 35.Kc5 Rd6 36.h3+= Kf6 37.Re2 Rd7 38.Re3 Kg5 39.Re5 Kh4 40.f6 gf6 41.Rh5 Kg3 42.Ne2 Kf3–+ 43.Nc3 Kg3 44.Ne2 Kf3 (better is 44...Kf2!? 45.Nc3 Rd6 46.Nb5 Rc6 (46...ab5 47.Kb5 Rd5 48.Kc4 Rh5 49.gh5–+) 47.Kd4 ab5 48.Rb5 Rd6 49.Kc3 Bd5–/+) ½–½. kamret (2270) – jonathan.Quebec, GameColony.com, 2003.

4.e3 Be7 5.Be2 0–0 6.0–0 b6 7.d3 Bb7 8.c4 Nbd7 9.Nc3 c5 10.a3 cb4 11.ab4 d5 12.Qb3 dc4 13.dc4 Rc8? 14.Nb5?? a6= 15.Nbd4 Qc7 16.h3 Ne4 17.Rfd1 Bf6 18.Rac1 Rfd8 19.Bf1 Qb8 20.Ne2 Bb2 21.Qb2 Ndf6 22.Nf4 Rd1 23.Rd1 h6 24.Qe5 Qe5 25.Ne5 Nc3 26.Rc1 Nce4 27.Nfd3 Nd2 28.Rc2 Nc4?? 29.Rc4+– Rc4 30.Nc4 b5 31.Na5 Bc8 32.Nc5 Nd5 33.Nc6 Kf8 34.e4 Nc3 35.Na7 (35.Na7 Na2 36.Nc8 Nb4 37.e5+–) 1–0. d4nf6 (1835) – krepca (1740), kurnik, 2011.

4.g3 e5 5.d3 g6 6.Bg2 Bg7 7.0–0 0–0 8.Nbd2 Re8 9.e4 Bg4 10.Qc1 Bf3 11.Nf3 Nc6 12.a3 Re7 13.Qd2 Qf8 14.b5 Nd4 15.Nd4 ed4 16.Bd4 c5 17.Bb2 b6 18.c4 Nh5 19.a4 Bb2 20.Qb2 Qg7 21.Qd2 Nf6 22.a5 Ng4 23.a6 Ne5 24.f4 Nd7 25.e5 de5?? 26.Ba8+– ef4 27.Qf4 Ne5 28.Be4 f5 29.Bd5 Kh8 30.Rad1 Ng4 31.h3 Ne3 32.Rde1 Nf1 33.Re7 Qe7+– 34.Qf1 Qf6 35.Kg2 Qd4 36.Qf2 Qb2 37.Qb2# 1–0. linakip – tades01, kurnik, 2012.

3.Nf3 h6

4.Nc3 a6 5.e4 e5 6.d4 f6? 7.Bc4 Qe7 8.0–0 g5 9.Nd5 Qg7 10.a4 c6 11.Nb6 Nd7 12.Na8 Kd8 13.b5 h5 14.bc6 bc6 15.Qd2 g4 16.Qa5 Ke8 17.Nc7 Ke7 18.Ne6 Qh7 19.Qd8 Kf7 20.Nc7 Kg6 21.Qe8 Kh6 22.Bc1 Kg7 23.Ne6# 1–0. pierre – nagimi, internet, 2009.

4.Nc3 b6 5.e4 Bb7 6.Bc4 a6 7.0–0 Nd7 8.d4 Ne7 9.d5+/– e5 10.a4 a5 11.ba5 Ra5 12.Nd2 Nc5 13.Nb3 Ra8 14.Nc5 bc5 15.f4 f6 16.fe5 fe5 17.Qh5 Kd7 18.Qg4 Ke8 19.Bb5 c6 20.dc6 Bc6 21.Qe6 Qd7 22.Bc6 Rd8 23.Qf7# 1–0. b4_player – opponent, gamecolony.com, 2008.

4.Nc3 Ne7

5.b5 a6 6.e4 Ng6 7.a4 (7.Bc4 ab5 8.Nb5 Nc6 9.0–0) 7...Nd7 8.d4 Nf6 (8...ab5 9.ab5) 9.ba6 ba6.

5.b5 Nd5 6.e3 Nc3 7.Bc3 Nd7 8.Bd3 Nc5 9.0–0.

5.e3 Nbc6 6.b5 Ne5 7.Ne5 de5 8.Qf3 Nf5 9.Ne4 Bd6.

5.e4 Nd7 6.d4 a6 7.Be2 Ng6 8.0–0 Nh4 9.Nh4 Qh4 10.d5 e5 11.Qd3 Nf6 12.Qc4 c6 (better is 12...Kd8!?+=) 13.dc6+– b5 14.Qd3 Be6 15.a4 Bc4 16.Qf3 Be2 17.Qe2 (17.Ne2?! ba4 18.Ra4 Qe4 19.Qe4 Ne4+–) 17...Ng4? (17...ba4 18.Ra4 Be7+–) 18.h3 Nf6 19.ab5 Be7 20.b6 0–0 21.c7 Nh5 (21...Rac8 22.Qa6 Kh7 23.Qc8 Rc8 24.b7 Rc7 25.b8Q+–) 22.b7 Rae8 (22...Nf4 23.Qe3 Qg5+–) 23.Qa6 Nf4 24.c8Q Rc8 25.bc8Q Rc8 26.Qc8 Kh7 27.Qf5 Ng6 28.Nd5 Bg5 29.g3 Qh5 30.f4 ef4 31.Qf7 Qh3 32.Qg7 1–0. Fritz 11 – headchoper, internet, 2014.

5.e4+= Nd7 6.d4 c6 7.Bd3 (7.Be2 Ng6 8.0–0 Nf4 9.b5) 7...Qc7 (7...Ng6 8.0–0 Qc7 (8...Be7 9.Qd2) 9.h3+/– (9.Qd2 Be7)) 8.0–0 (8.Qd2 Ng6 9.h4) 8...e5 (8...Ng6 9.g3+/– (9.b5 Be7)) 9.Ne2 (9.Qd2 Ng6; 9.a3+–) 9...a6 (9...Ng6+/–) 10.h4 (10.c4 Ng6+=) 10...ed4= 11.Ned4 b6 12.Nf5 Ng6 (12...Rg8!?+=) 13.Ng7 Bg7 14.Bg7 Rh7 15.Bc3 c5? (better is 15...Nde5 16.Ne5 de5+/–) 16.e5!+– de5 (16...de5 17.h5 Combination; 16...Nde5 17.Ne5 Combination; 16...Nge5 17.Bh7 Pinning (17.Bh7 Deflection; 17.Bh7 Clearance)) 17.h5 cb4 (17...Ngf8 18.Ne5! cb4 19.Nd7 Bd7 20.Bb4 f5 21.Re1 Kf7 22.Bf5 Bf5 23.Qd5 Kf6 24.Qa8 Ne6+–) 18.hg6 Rg7 19.Be5! Ne5 20.Ne5 f6 (20...f5 21.Re1 Kf8 22.Qf3+–) 21.Nf7 Rf7 (21...Kf8 22.Qf3 Bb7 23.Qf6 Qf7 24.Qd6 Qe7 25.Qf4 Qf7 26.Qb4 Qe7 27.Qf4 Qf7 28.Qf7 Rf7 29.gf7 Rc8+–) 22.gf7 Qf7 23.Re1 Be6 24.Qg4 Kd7 25.Re6! Qe6 (25...Qe6 26.Qe4 Double attack (26.Qe4 Decoy)) 26.Bf5 Qf5 27.Qf5 (27.Qf5 Kc6 28.Rd1 b5 29.Qe6 Kc7 30.Rd7 Kb8 31.Qe8#) 1–0. b4_player – Zustertje, internet, 2011.

5.e4+= Nd7 6.d4 d5 7.Bd3 de4 8.Ne4 Nd5 9.a3 a5.

5.e4+= Nd7 6.Be2 Ne5 7.d4 Nf3 8.Bf3 Ng6 9.0–0 Be7.

5.e4+= Ng6 6.Be2 Nf4 (6...Nc6 7.b5 Nce5 8.g3 Nf3 9.Bf3) 7.0–0 Nc6 8.b5 (8.Bb5 Be7 9.g3) 8...Ne5 9.g3 Ne2.

2.Bb2 Qe7

3.a3 a6 4.e4 b6 (4...Nc6 5.Nf3+=) 5.Nf3+= Bb7 (5...d5 6.ed5 ed5 7.Be2+=) 6.e5 (6.Bd3 d5 7.ed5 Bd5+=) 6...Nc6 7.Be2 0–0–0 (7...d6 8.0–0+=) 8.0–0 d6 9.d4 (better is 9.ed6!? Qd6 10.c4+=) 9...de5+= 10.Qd3 (10.c3!?+=) 10...ed4 (better is 10...e4 11.Qe4 Nb4–+) 11.Nd4? (better is 11.c3 e5 12.Qf5 Qd7 13.Qd7 Rd7 14.b5 ab5 15.Bb5–/+) 11...e5?? (better is 11...Nd4 12.Bd4 c5 13.Bc5 Qf6–+ (13...Rd3 14.Be7 Be7 15.Bd3+/–; 13...bc5?! 14.Qe3–+)) 12.Bg4 (12.Nc6 Bc6 13.Qa6 Bb7+=) 12...Kb8 13.Nc6 Bc6 14.Qa6 Bb7 (14...Qg5 15.Bh3=) 15.Qe2+= f6 (15...Nf6 16.Bf5+=) 16.c4 (16.Nd2 g5+=) 16...Nh6 17.Bf3 (17.Bh3 g6+=) 17...Bf3 (17...e4 18.Bh5=) 18.Qf3+= g5 (18...Qe6 19.c5+=) 19.Nc3+/– g4 (19...Qe6 20.Rad1 Bd6 21.Nd5+/–) 20.Qe2 Bg7 (20...Qe6 21.Rad1 Bg7 22.a4+/–) 21.Nd5 Qe6 (21...Qd6 22.a4+–) 22.Rfd1 (22.a4 Rd7+–) 22...Kb7 (22...Rd7+/–) 23.f3 (23.a4!? c6 24.Nc3+/–) 23...gf3+= 24.Qf3 e4 (24...c6 25.Ne3+=) 25.Qe3 (25.Qb3 Qf7+/–) 25...Ng4 (better is 25...Nf5 26.Qh3 Rde8+/–) 26.Qd4 (better is 26.Qf4!? Rd7 27.h3+/–) 26...Rhg8= 27.h3 (27.Nf4 Qf5 28.Nd5–/+) 27...f5–/+ 28.Qd2 e3 29.Qe2 (29.Qc2 Bb2 30.Qb2–+) 29...Nf2 (better is 29...Bb2 30.Qb2 e2–+) 30.Re1?? (30.Bg7 Rg7 31.Qe3 Qe3 32.Ne3 Nd1 33.Nd1–+) 30...Bb2–+ 31.Qb2 (31.Qf3 Ba1 32.Ne3 c6 33.Ra1–+) 31...Nh3 (better is 31...Rd5 32.Re2 Nh3 33.Kf1–+) 32.Kh1?? (32.Kf1 f4 33.Qe2–+) 32...Qe4 (32...Rd5 33.Re2 Qh6 34.Re3 Nf2 35.Kg1 Qh1 36.Kf2 Rg2 37.Kf3 Qh3 38.Kf4 Qg4) 33.Re2?? (better is 33.Re3 Qc4 34.Nf6+=) 33...Nf2–+ 34.Rf2 ef2 35.Qf2 Qc4 36.Nf6 (36.Ne3 Qe4 37.Rf1–+) 36...Qh4 (better is 36...Rg6–+) 37.Qh4+– Rd2 (37...Rg7+–) 38.Ng8 (38.Ng8 Rd7 39.Rf1+–) 1–0. gtate (2015) – maf (2105), net–chess.com, 2005.

3.a3= Na6 4.e3 (4.e4 d5+=) 4...b6 (4...Nb8 5.Nf3+=) 5.Nf3 (5.Qf3 c6+=) 5...Bb7 (5...c5 6.b5 Nc7 7.a4+=) 6.Be2 0–0–0 (6...c5 7.b5 Nc7 8.Nc3+=) 7.0–0 Nb4?? (better is 7...Nb8+/–) 8.ab4+– Qb4 9.Bc3 Qg4 (9...Qe4 10.Ra7 Kb8 11.Ra1+–) 10.Ba6 (better is 10.Ra7 Qg6+–) 10...Ba6 11.Ra6 Kb7 12.Qe2 b5 (12...d5+–) 13.Qb5 Ka8 (13...Kc8 14.Ra7 Qg2 15.Kg2 Nf6 16.Qb7) 14.Bd4 (14.Bd4 Qd4 15.Nd4+–; 14.Qa5 Qb4 15.Ra7 Kb8 16.Qc7) 1–0. Trkn – Ricky, itsyourturn.com, 2000.

3.a3 b5 4.e4 (4.Nc3 c6+=) 4...Bb7 (4...c6 5.Bc3=) 5.Nc3 a6 6.d4 g6 (6...d5 7.e5+=) 7.Nf3 Bg7 8.Bd3 Nc6 9.0–0 h6 (9...Nd4 10.Nd4 Bd4 11.Nd5 ed5 12.Bd4+/–) 10.Re1 (10.d5 Nb8+/–) 10...Kd8 (10...Rc8 11.Qc1 Nf6 12.e5+/–) 11.e5 h5 (11...Na7!?+/–) 12.d5+– Nb8 13.Nb5?? (better is 13.Be4 Qf8 14.de6 Be4 15.ef7+–) 13...ab5= 14.de6 (14.d6 cd6 15.ed6 Qf8 16.Bg7 Qg7 17.Bb5 Nc6=) 14...fe6 15.Bg6 (15.Bb5 Nh6=) 15...Bd5 16.Bd3 (16.Be4 c6 17.Bd4+=) 16...h4 (better is 16...c6!?+=) 17.Bb5+= Rh5 (17...h3 18.g3+=) 18.c4 (18.Be2 h3 19.c4 Bb7+=) 18...Bb7= 19.Bd4 (19.Re3 Rf5+=) 19...Nh6 (19...Qf7 20.Re3=) 20.h3 Nf5 (20...Rf5 21.Bc5 Qf7 22.Nh4+=) 21.Bc5 Qf7 22.Qb3 (22.Nh2 Qg6 23.Ng4 d6+=) 22...d6 (better is 22...Ne7!? 23.Re3 Rf5 24.Nh4 Re5 25.Re5 Be5+=) 23.Rad1+= d5?? (better is 23...c6 24.Ba4 d5+/–) 24.cd5+– ed5 (24...Bd5 25.Rd5! Kc8 26.Rd2+–) 25.e6 Qf6 (25...Qe7 26.Be7 Ne7+–) 26.Rd5 Bd5 27.Qd5 Kc8 28.Qa8 1–0. Wall,Bill – Rayani, internet, 2002.

3.a3 c6 4.e3 d5 5.Nf3 Na6 6.d4 Nc7 7.c4 dc4 8.Bc4 Bd7 9.Bd3 0–0–0 10.Nbd2 Kb8 11.0–0 Ka8 12.h3 Nf6 13.Re1 Nfe8 14.Rc1 f5 15.Nc4 Rg8 16.Qc2 Nf6 17.e4 fe4 18.Be4 Ne4 19.Qe4 h5?? (19...g5 20.Nfe5+/–) 20.Nce5 (better is 20.Qh7 Qf6 21.d5+–) 20...g5+/– 21.Nd7 Rd7 22.Ne5 Rd8? (22...Rd5+=) 23.b5?? (better is 23.Rc6 Nd5 24.Rc2+–) 23...cb5 24.Nf3 h4 (better is 24...g4!? 25.hg4 Rg4+=) 25.Rc2 Bg7 26.Rec1 (better is 26.Ng5 Bd4 27.Bd4 Rg5 28.Rec1+–) 26...Rgf8?? (better is 26...Nd5+=) 27.Bc3 (better is 27.Rc7 Qc7 28.Rc7+–) 27...Bh6?? (better is 27...Rf4 28.Bb4 A) 28...Re4?? 29.Be7 Rb8 30.Rc7 Bd4 31.Bd6+– (worse is 31.Bg5 Bb2+–; worse is 31.Nd4 Rd4 32.Bg5 a5+–); B) 28...Qd7 29.Qf4 gf4 30.Rc7 Qe8 31.Rg7 Rc8+–) 28.Ba5 (28.Bb4 Qe8 29.Bf8 Qf8 30.Rc7 Rb8 31.Qe6 g4 32.Rb7 Bc1+–) 28...Nd5 (28...Na6 29.Bd8 Qd8 30.Qe6 Qf6 31.Rc8 Nb8 32.Rb8 Kb8 33.Rc8 Rc8 34.Qf6 Bf8+–) 29.Bd8 Rd8 (29...Qd8 30.Qe6 Nb6 31.Qh6 Rg8+–) 30.Ne5 (30.Rc8 Rc8 31.Rc8) 30...Nf4 (30...Rb8 31.Qg6 Bg7+–) 31.Rc7 (31.Rc8 Rc8 32.Rc8) 31...Qe8 (31...Qc7 32.Rc7 Nd5+–) 32.Qb7 1–0. Fournier,Frederic (2025) – gaffio (1905), Active Blind, 2007.

3.a3 Nc6 4.b5 Na5 5.e3 b6 6.c4 Bb7 7.Nf3 Nf6 8.Be2 Ne4 9.0–0 Qc5 10.d3 Nf6 11.Nc3 Ng4 12.Nd4 Qd6?? 13.Bg4+– h5 14.Bf3 Bf3 15.Qf3 Rb8 16.Ne4 Qe7 17.a4 g6 18.Ba3 c5 19.bc6 d6 20.Bd6 Qh4 21.Bb8 Be7 22.Bg3 Qg4 23.c7 0–0 24.Nf6 Kg7 25.Ng4 hg4 26.Qg4 f5 27.Ne6 Kf7 28.Ng5 Kg7 29.Qd4 Bf6 30.Qd7 Kh6 31.Nf7 Kh5+– 32.c8Q Rc8 33.Qc8 Nb3 34.Rab1 Nd2 35.Rfd1 Nb1 36.Rb1 b5 37.ab5 a5 38.ba6 g5 39.Qf5 Bd4 40.Qg5 1–0. elsh1403 – lutkas11, kurnik, 2011.

3.a3 d5 (--> 1.b4 d5 2.Bb2 e6 3.a3 Qe7).

3.a3 Qd6 4.e3 Be7?? (better is 4...Qe7+=) 5.Bg7+– Bf6 6.Bh8 Bh8 7.Nc3 Bf6 8.Nf3 Na6 9.Be2 b6 10.Ne4 Qc6 (10...Qe7 11.d4 Bb7+–) 11.Nf6 Nf6 12.0–0 (better is 12.b5 Qc5 13.ba6 Qa5+–) 12...Qd6 13.c4 1–0. Fournier,Frederic – walter31(C), Active, 2007.

3.a3 f6 (--> 2.Bb2 f6 3.a3 Qe7).

3.a3 Qg5 4.Nf3 Qg6 5.e3 b6 6.Bd3 Qh5 7.0–0 Nf6 8.Be2 Bb7 9.d3 Ng4 10.h3 Bd6?? 11.Bg7?? Rg8=+ 12.hg4? Qg4 13.Ne5?? Qg2 0–1. exp2005 – lutkas11, kurnik, 2011.

3.a3 Nh6 4.Nf3 Nc6 5.b5 Na5 6.e4 a6 7.ba6 ba6 8.Nc3 Bb7 9.Bd3 Ng4 10.Rb1 Qc5 11.0–0 Bd6 12.Be2 Nc4 13.d4 Qc6 14.d5 Qc5 15.Bc4 Qc4 16.Nd2 Qc5? (16...Qd4 17.Na2 Bh2 18.Kh1 Nf2 19.Kh2 Qb2 20.Rb2 Nd1 21.Rb7 Ne3+–) 17.Qg4 ed5 (17...Bf8+–) 18.ed5 Bd5 (18...0–0–0 19.Nde4 f5 20.Qf5+–) 19.Nd5 Qd5 20.Rfe1 Kf8 (20...Be7 21.Rbd1 h5+–) 21.Qg7 1–0. b4_player (2160) – frag, GameColony.com, 2003.

3.b5 Qb4 4.Bc3 Qb5 5.e3 Qc5 6.Bd4 Qd6 7.Nc3 c5 8.Ne4?? (8.Nb5 Qb6 9.Be5 d6 10.Nd6 Bd6 11.Bg7 Be5 12.Be5 f6+–) 8...Qb6?? (8...Qc6 9.Nc5 Bc5 10.Bg7+–) 9.Rb1?? (better is 9.Nc5 Qc7 10.Nd3+=) 9...Qc6–+ 10.Be5? (10.Nc5 Bc5 11.Bg7+–) 10...Qe4 11.Nf3 f6 12.Bd3 Qd5 13.c4 (13.e4 Qc6 14.Bg3–+) 13...Qd3 (13...Qd3 14.Bb8 Rb8–+) 0–1. shadowman – como2, caissa.com, 2007.

3.b5 d5 4.e3 c5 5.f4 c4 6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.Nc3 Qc5 11.Qb1 Nf6 12.Be2 h6 13.0–0 Bd6 14.Ne5 Be5 15.fe5 Ng8 16.Nd1 Ne7 17.d4 cd3 18.cd3 Qb5=+ 19.Qc2 Nbc6 20.d4 Qb6 21.Bc3 0–0 22.Bh5 Nf5 23.Qf2 Qb3 24.g4 g6 25.gf5 gh5 26.f6 Kh7 27.Qh4 Rg8–/+ 28.Kh1 Rg5 29.Qf4?? Rf5–+ 30.Qf5 ef5 31.Rg1 Be6 32.Rg7 Kh8 33.Kg2 Qd1 0–1. elsh1403 – agentj23tomek, kurnik, 2011.

3.b5 Nf6 4.e3 g6 5.Ba3 d6 6.Bb2 Bg7 7.Be2 0–0 8.Bf3 Nbd7 9.d4 Nb6 10.Ne2 d5?? 11.Ng3?? Bd7?? 12.a4 a6 13.ba6 Ra6 14.Be2 Ra4 15.Ra4?? Na4–/+ 16.Bc1 Qb4 17.Bd2 Qd6 18.0–0 h5 19.c4 h4 20.c5 Qe7 21.Nh1 h3! 22.g3 Nb2 23.Qc2 Nc4 24.Bc4 dc4 25.Qc4 Bc6 26.Qe2 Ne4 27.f3 Ng5 28.e4? Bd4–+ 29.Nf2 Qc5 30.Bg5 Qg5 31.Nd2 Bf2 32.Rf2 f5 33.ef5 ef5 34.Qe6 Kg7 35.Nc4?? Qc1 36.Rf1 Qc2 37.Rf2?? Qd1 38.Rf1 Qd4 39.Rf2 Bf3 40.Qe7? Rf7–+ 41.Qe5 Qe5 42.Ne5 Re7 43.Nf3=+ Re1?? 44.Ne1+– 1–0. wojtekkk (1705) – dumnica, kurnik, 2011.

3.c3 f5 4.e3 Nf6 5.d4 Nc6 6.Nf3 g6 7.Bd3 Bg7 8.a4 0–0 9.Nbd2 Kh8 10.Qc2 Qf7 11.0–0 Qg8 12.h3 d6 13.a5 Bd7 14.Rfe1 Be8 (14...a6 15.e4+=) 15.e4 Bf7 16.ef5 ef5 17.Re2 b6 (17...a6 18.Rae1+=) 18.ab6 ab6 19.Ra8 Ra8 20.Re1 Rb8 21.Ra1 Ne7 22.Re1 c6?? (22...Nc6!?=) 23.Qb1 (23.Re7 b5+–) 23...c5?? (better is 23...Re8!?+=) 24.dc5 (24.Re7!? cb4 25.c4 Qf8+–) 24...bc5? (24...Qd8 25.cb6 Rb6 26.Ng5+/–) 25.bc5?? (25.Re7 Nd5 26.Ra7 Nf4+–) 25...dc5? (better is 25...Qd8+/–) 26.Qc2?? (better is 26.Re7 Nd5 27.Re5+–) 26...Nd7?? (26...Nc6 27.Be2=) 27.Nc4 (better is 27.Re7 Be6 28.Ng5+–) 27...Bc4 28.Bc4 Qc4 29.Nd2?? (29.Re7 Nf8=) 29...Qg8 (29...Qa2 30.Rb1–+) 30.Nf3?? (30.Re7 Qd8 31.Re3 Ne5=) 30...Nf8 (better is 30...Nd5–+) 31.c4?? (better is 31.Re7 Qb3 32.Re2+=) 31...Bb2 (better is 31...Rb2 32.Qd3 Nc6–+) 32.Qb2 (32.Re7 Ne6 33.Qe2–+) 32...Rb2 (32...Rb2 33.Re7 Qc4–+) 0–1. Fournier,Frederic (1940) – dragofire (2095), Active, 2009.

3.a3 a5

4.b5 a4 5.Nf3 Ra5 (5...Nf6 6.e3=) 6.e3 b6 (6...d6 7.d4+=) 7.Be5 (7.c4 Bb7+/–) 7...d6+= 8.Bc3 Ra8 9.Bc4 f6 10.d4 Bb7 (10...d5 11.Bd3+=) 11.d5+/– e5 12.0–0 (12.e4 f5 13.ef5 Qf6+/–) 12...h5 (12...f5 13.Bb2+/–) 13.e4+/– h4 14.h3 g5 15.Nfd2 Bc8 16.Be2 Bh3?? (better is 16...Nh6+/–) 17.gh3+– Bh6 (17...Nh6 18.Nc4+–) 18.Bg4 Bg7 19.Nc4 Nd7 20.Bb4 c5 (20...Nh6+–) 21.dc6 Nc5 22.Nd6 Kd8 (22...Kf8 23.Bc5 bc5+–) 23.Bc5 Kc7 24.Nc8! Qc5 (24...Rc8 25.Be7) 25.Qd7 Kb8 26.Qb7 1–0. kamrat – mightyking2, GameColony.com, 2002.

4.b5 b6 5.e3 a4 (5...e5 6.Qf3 Ra7 7.Qf5+=) 6.Nf3 Bb7 7.Be2 c6 8.0–0 d5 9.c4 cb5 10.cd5 Bd5 11.Bb5 Bc6 12.Nc3 (12.Bc6 Nc6 13.Nc3 Nf6+/–) 12...Bb5+= 13.Nb5 Na6? (better is 13...Qd7 14.Nc3 Ra5+=) 14.Qa4+– Nc5 (14...Kd8+–) 15.Nc7 (15.Nd6! Kd8 16.Qa8 Kd7 17.Ne5 Kd6 18.Qc6) 15...Kd8+– 16.Qa8 Kc7 17.Ne5 Nf6 (17...f6 18.Qc6 Kd8 19.Qb6 Kc8 20.d4 fe5 21.dc5+–) 18.Qc6 Kb8 19.Qb6 Nb7 (19...Kc8 20.d4 Qc7 21.dc5 Bc5+–) 20.Nc6 Kc8 21.Na7 Kb8 22.Nc6 Ka8?? (22...Kc8 23.Ne7 Be7 24.Rfc1 Nc5 25.Qc6 Kb8 26.Be5 Ka7 27.Qc7 Ka8 28.Rab1 Nb3 29.Rc6 Bc5 30.Ra6 Ba7 31.Ra7) 23.Ne7 (23.Qa7) 23...Be7 24.Qa6 Kb8 25.Be5 Kc8 (25...Nd6 26.Rfc1 Nd5 27.Rab1 Nb6 28.Rb6) 26.Rac1 Kd7 (26...Bc5 27.Rc5 Kd8 28.Qb7 Nd7 29.Rc8 Ke7 30.Qb4 Nc5 31.Qc5 Kd7 32.Qc7) 27.Qb7 (27.Qc6 Kd8 28.Qc8) 27...Ke8 28.Rc8 Bd8 29.Rfc1 (29.Qc7! Kf8 30.Qd8 Ne8 31.Qe8) 29...Nd7+– 30.Qc6 f6 (30...h6 31.Bc7 Ke7 32.Qd6 Kf6 33.Rd8 Nf8 34.d4 Rg8 35.e4 Kg6 36.d5 Kh7 37.Rf8 e5 38.Rf7 Rb8 39.Bb8 h5 40.Qe5 Kg6 41.Qg7) 31.Bc7 (31.Qe6 Kf8 32.Rd8) 31...Kf7+– 32.Qd7 1–0. gtate (1815) – maf (1610), net–chess.com, 2002.

4.b5 d5 5.Nf3 =.

4.b5 d6 5.c4 (5.Nf3 Nf6=) 5...f5 (5...Nf6 6.d4=) 6.g3 Nd7 7.Bg2 Ngf6 8.Nc3 (8.Nf3 Nb6 9.d3 e5+=) 8...Rb8 (8...Nb6 9.d3=) 9.Nh3 b6 10.0–0 h6 (10...Bb7 11.Bb7 Rb7 12.d4+=) 11.e4 Nc5 (better is 11...fe4!? 12.Ne4 Qf7+/–) 12.Nf4+– Qf7 13.ef5 e5 14.Bc6 Kd8 15.Ng6 Rg8 16.d4 (16.f4 Nd3 17.fe5 Nb2+/–) 16...ed4 17.Nd5 (17.Qd4 Bf5 18.Ne5 Qh5+–) 17...Bf5 18.Nh4 (18.Ngf4 d3+=) 18...Be6 (18...Bd3 19.Re1+=) 19.Bd4 (worse is 19.Qd4 Nb3 20.Qd3 Na1 21.Ra1 Kc8+=) 19...Nd5 20.cd5 Bh3 21.Ng2 (21.Re1 Be7 22.Nf3 Rf8+=) 21...g5 22.Ra2 Bg7 23.f4 (23.Bg7 Qg7 24.Re1 Qg6+/–) 23...Bg4 (23...Bd4 24.Qd4 gf4 25.Rf4+/–) 24.Qg4+/– Bd4 25.Kh1 Rf8 26.Re2 Nd7 (26...Qf6 27.Rfe1 Be5 A) worse is 28.Re5 de5 29.Qe2 e4–/+ (29...ef4?? 30.Qe8 Re8 31.Re8); B) 28.Rf2+/–) 27.Re6 (27.Qe6 h5+/–) 27...Ne5 28.Qe2 Nc6 29.bc6 b5 (29...Bc5 30.Qd3+=) 30.Rd1 (30.Qd2!? Bb6 31.Rb1+/–) 30...Bg7 31.Rb1 (31.Re1 b4=) 31...b4 (31...gf4? 32.Rb5 Ra8 33.Nf4+–) 32.ab4 ab4 (32...Rb4?? 33.Rb4 ab4 34.Qa6 Qe6 35.de6+–; 32...gf4 33.Nf4 ab4 34.Re4+–) 33.Qc4 Bc3?? (better is 33...Qh5+/–) 34.Qc3!!+– Qe6 (34...bc3 A pinning theme 35.Rb8 The nicest combinations are those leading to mate) 35.de6 bc3 36.Rb8 Ke7 37.Rb1 c2 38.Re1 Rb8 (38...d5 39.Ne3 Ke6 40.Nc2 Kd6 41.fg5 hg5 42.Nd4+–) 39.Ne3 gf4 (39...Ke6 40.Nc2 Kd5 41.f5+–) 40.Nc2 (40.Nd5 Ke8 41.gf4 Rb1 42.Nc7 Ke7 43.Nd5 Ke8 44.Nf6 Ke7 45.Ng8 Ke8 46.Nf6 Ke7 47.Nd5 Ke8 48.Nf6=) 40...fg3 (40...f3 41.Nd4 Rf8 42.Rf1+–) 41.hg3 d5 (41...h5 42.Nd4+–) 42.Nd4 Kf6 43.Kg2 (43.Kg2 h5 44.Kh3+–) 1–0. Bulcourf,Carlos (2300) – Minzer,Claudio Javier, Buenos Aires BCA op, 1989.

4.Nc3 ab4 5.Nb5 d5 (better is 5...Ra5 6.Nc7 Kd8 7.ab4 Ra1 8.Qa1 Kc7 9.Bg7 Bg7 10.Qg7 Qf6 11.Qg3 d6–/+) 6.e3 (better is 6.Be5 Na6 7.ab4=) 6...c6–/+ (6...ba3?! 7.Be5 Na6 8.Ra3=) 7.Nd4 (7.ab4 Ra1 (7...cb5?? 8.Ra8 Qc7 9.Bb5 Nc6 10.Be5+–) 8.Qa1 cb5–/+) 7...Nh6 (7...ba3 8.Ndf3–+) 8.Ngf3? (better is 8.ab4!? Ra1 9.Ba1 Qb4 10.f4+=) 8...ba3 9.Bc3 (better is 9.c4–+) 9...c5 (better is 9...e5 10.Ne2 Nd7–+) 10.Nb5–/+ a2 (10...Nc6!? 11.Na3 e5–/+) 11.Be5= Na6 12.Ra2 Ng4 (12...Nf5 13.Qa1+=) 13.Bg3 (13.Nd6 Kd8+=) 13...e5 (13...Qd7 14.h3 Nf6 15.Ra6 Ra6 16.Nc7 Ke7 17.Ne5+=) 14.Bh4 (14.h3!? Nf6 15.Be5+=) 14...Qd7 (14...f6!?–/+) 15.h3= c4 16.Nc3 Be7?? (16...Nh6 17.e4 de4 18.Ne5 Qd4 19.Nc4 Bb4+/–) 17.Be7+– Qe7 18.hg4 0–0 Black intends e4 (18...d4 19.Ne4 (19.ed4?! ed4 20.Ne2 d3+=) 19...Be6 20.Nfg5+– (20.Ne5?! Bd5 21.ed4 Be4+/–)) 19.Nd5 Qe6 (19...Qc5 20.e4 Be6 21.Ne3+– (21.Ne5?! Bd5 22.ed5 Rfe8+–)) 20.Nc3 (better is 20.Bc4!? b5 21.Bb3 Qd6+–) 20...e4 (20...Qd6 21.Bc4 Bg4 22.Bd5+–) 21.Ng5 (21.Ng5 Qc6 22.Nh7+– (22.Nce4?! h6+–; 22.Rh7?! f6+–)) 1–0. wlittle (2185) – maf (2105), net–chess.com, 2004.

3.a3 b6

4.c4 Bb7 5.e3 f6 6.d4 g5 7.c5 Bg7 8.h4 h6 9.Qc2 f5 10.hg5 hg5 11.Rh8 Bh8 12.f3 Qh7 13.Nc3 Qh2 14.Qf2 g4 15.Nge2 gf3 16.gf3 Qh7 17.0–0–0 a5 18.b5 Ne7 19.Bg2 Nd5? 20.Rh1+– Qg8 21.Nd5 Bd5 22.Nc3 bc5 23.Nd5 ed5 24.dc5 Bb2 25.Qb2 d4 26.Qd4 Qb3 27.Rh8 Kf7 28.Rh7 Ke8 29.Qe5 Qe6 30.Qe6 de6+– 31.f4 Ra7 32.b6 Ra6 33.bc7 (33.bc7 Rd6 34.cb8Q Rd8 35.Bc6 Kf8 36.Qd8) 1–0. carocan (1705) – xtom (1605), kurnik, 2011.

4.c4 Bb7 5.Nf3 Nc6 6.b5 Nb8 7.e3 Nf6 8.d4 g6 9.Be2 Bg7 10.0–0 0–0 11.Nbd2 c6 12.a4 a6 13.Ne5 ab5 14.ab5 Ra1 15.Qa1 cb5 16.cb5 d6 17.Nec4 Qc7 18.Rc1 Nbd7 19.Bf3 Bf3+= 20.gf3 d5 21.Ne5 Qd6? 22.Rc6?? Qe7?? 23.Ba3+– Ra8?? 24.Nb1 Qd8=+ 25.Qc3 Ne5 26.de5 Nd7 27.f4 f6 28.Bd6 fe5–/+ 29.Be5 Be5 30.fe5 Qg5 31.Kf1 Ne5 32.Rc8 Rc8 33.Qc8 Kg7 34.Nd2 Kh6 35.Qe6 Qh5 36.Ke1?? Nd3–+ 37.Kf1 Qh2 (37...Qh2 38.Ke2 Nf2–+) 0–1. bratek55 – dumnica (1630), kurnik, 2011.

4.g3 Bb7 5.Nf3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Qe7 5.a3).

4.e3 Bb7

5.Nf3 Nc6 6.b5 Nd8 7.c4 Nf6 8.Be2 g6 9.a4 Bg7 10.Ba3 d6 11.d4 0–0 12.Nbd2 a6 13.Qc2 ab5 14.ab5 c6 15.0–0 cb5 16.cb5 Nd5? 17.Rfc1?? Qf6? 18.Bd6+– Re8 19.Be5 Qe7 20.Bg7 Kg7 21.Ne5 Qg5 22.Ndf3 Qf6 23.Nc6 Nc6 24.bc6 Ba6?? 25.Ra6 Ra6 26.Ba6 Nb4 27.Qa4 Qe7 28.c7 Ra8 29.c8Q Ra6 30.Qaa6 Na6 31.Qa6 h5 32.Qb6 h4 33.h3 g5 34.Qc5 Qf6 35.Qg5 (35.Qg5 Qg5 36.Ng5+–) 1–0. carocan (1845) – dumnica, kurnik, 2011.

5.Nf3 Nc6 6.d4 f6 7.c4 g5 8.Be2 h5 9.h3 Qg7 10.Qb3 0–0–0 11.Nc3 g4= 12.hg4 hg4 13.Rh8 gf3 14.Rg8!+– Qg8 15.Bf3 d5 16.cd5 ed5 17.Rc1 Kb8 18.Qc2 Qg7 19.Nd5 Rd5 20.Bd5 Bd6?? 21.Bc6 Bc6 22.Qc6 Qh8 23.g3 Qh1 24.Qh1 1–0. futsalboy – kosaek8, kurnik, 2011.

5.Nf3 Nc6 6.Be2 0–0–0 7.Bc3 f6 8.a4 g5 9.b5 Nb8 10.a5 h5 11.ab6 ab6 12.h3 Bg7 13.d4 g4 14.hg4 hg4 15.Rh8 gf3 16.Rg8!+/– fe2? 17.Rd8+– Qd8 18.Qe2 Bg2 19.Qc4 f5 20.Qa4 Qh4 21.Ke2?? Qg4?? 22.Ke1+/– Bf3 23.Nd2?? Qg1= 24.Nf1 Bg2?? 25.Ke2 Be4?? 26.Ng3+– Qg2 27.Ne4 fe4 28.Qb4 Qf3 29.Ke1 Bf8 30.Qb3 Be7 31.Rd1?? Bh4= 32.Rd2?? Qh1 33.Ke2 Qg2 34.Ke1 Qh1 35.Ke2 Qf3 36.Ke1 d6?? 37.Qe6+– Nd7 38.Qe8 Bd8 39.d5?? Nc5?? 40.Re2 Qh1 41.Kd2 Qf1? 42.Bf6 Na4 43.Qd8 Kb7 44.Qd7 Nc5 45.Qc6 Kb8 46.Bd8 Qe2 47.Ke2 (47.Ke2 Nd7 48.Qc7 Ka8 49.Qc8 Nb8 50.Bc7 Ka7 51.Qb8) 1–0. wojtekkk (1655) – dumnica (1615), kurnik, 2011.

5.Nf3 f6 6.c4 g5 7.h3 Bg7 8.d4 h5 9.Bd3 f5 10.Nbd2 Qf7?? 11.Qc2 g4+= 12.hg4 hg4 13.Rh8 gf3 14.Rh2 fg2 15.Rg2?? Bg2–+ 16.0–0–0 a5 17.e4 ab4 18.a4 fe4 19.Ne4 Qf4 20.Kb1 Nc6 21.Ng3 Nd4 22.Bd4 Qd4 23.Bg6+/– Ke7 24.Rd4 Bd4 25.Be4 Be4 26.Qe4 Ra4 27.Nf5 Kf6 28.Nd4 Ne7 29.Nb5 c6 30.Nd4 b3? 31.Nb3 Rb4 32.Kc2 d5 33.Qf3 Nf5?? 34.cd5 c5? 35.de6 c4 36.Qc3 Ke6 37.Qb4 b5 38.Qb5 cb3 39.Qb3 Kf6 40.Kd3 Kg5 41.Qd5 Kf4 42.Qe4 Kg5 43.f4 Kg4 44.Ke2 Ng3 45.Ke3 Ne4 (45...Ne4 46.Ke4 Kh5+–) 1–0. emeryt85 – xtom, kurnik, 2011.

5.Nf3 f6 6.d4 g5 7.c4 Bg7 8.Be2 h5 9.Qc2 h4 10.Nc3 Nh6 11.c5 g4? 12.Nd2?? Bg2 13.Rg1 h3 14.f3 g3 15.hg3?? h2–+ 16.0–0–0 hg1Q 17.Rg1 Bh3 18.g4?? Nf7 19.f4? Nc6 20.Qg6 Kf8 21.Rg3 f5 22.g5? Rh4 23.Nf3= Rg4 24.Rg4?? Bg4–+ 25.b5 Na5 26.Ne5 Ne5 27.fe5 bc5 28.Bg4 cd4 29.ed4 fg4 30.Qe4 Qg5 31.Kc2 Rb8 32.a4 Nc4 33.Bc1 Na3! 34.Kb3?? Qc1 0–1. mihai740609 (1635) – xtom (1625), kurnik, 2011.

5.f4 f6 6.Nf3 g5 7.fg5 Bg7 8.gf6 Nf6 9.Be2 h5 10.b5 h4 11.c4 a6 12.a4 Ne4 13.Bg7 Qg7 14.Na3 Qg2 15.Rf1 Rf8 16.Nc2 Ng5 17.Ng5 Rf1 18.Bf1 Qg5 19.Qe2 d5 20.Nd4 Nd7 21.Ne6 Qe5 22.Nc7 Qc7 23.Qh5= Kd8 24.Qh4 Kc8 25.cd5 Bd5 26.Bh3 Kb7 27.Qg3?? Qg3 28.hg3=+ Ne5 29.ba6 Ra6 0–1. devo1 – xtom, kurnik, 2011.

4.Nf3 Bb7

5.d3 Nc6 6.e4 0–0–0 7.c4 f6 8.Be2 h5 9.Nc3 g5 10.Qa4 Bg7 11.0–0–0 f5 12.ef5 ef5 13.Rhe1 Qf7?? 14.Nd5?? g4=+ 15.Ng1 Bb2 16.Kb2 a6 17.f3 Nf6 18.Nc3 Rhe8 19.b5 ab5 20.Nb5 Qg7 21.Ka2 Ng8 22.d4= Nge7?? 23.d5+– Ne5 24.fg4?? fg4? 25.d6+– cd6 26.Nd6 Kb8 27.Ne8 Re8 28.Bd3 Nd3? 29.Rd3+– Qg6 30.Rde3 Bc6 31.Qb4 Qc2 32.Ka1 Kc7 33.Qc3 Qh7?? 34.Qe5 Kb7 35.Qf6 Ng8+/– 36.Qd6 Re3 37.Re3 Qg7 (37...Qg7 38.Ka2 Qf7+/–) 1–0. bratek55 (1630) – dumnica, kurnik, 2011.

5.g3 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Qe7 5.a3).

5.g3 Nf6 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 Qe7).

5.Nc3 Nf6

6.e3 g6

7.Nb5 Na6+= A) 8.Bd3 Bg7 9.0–0 0–0 10.Qe2 c5 11.Be5 Ne4 12.Be4 Be4 13.Bd6 Qd8; B) 8.Bc4 Bg7 9.0–0 0–0 10.Qe2 c6 11.Nc3 Nc7 12.Ne5 Nfd5 13.f4 a5; C) 8.Be5 d6 (8...Bg7 9.Bc7 Ne4 10.Bd3 0–0 11.Be4 Nc7 12.Bb7 Nb5 13.Ba8 Ba1) 9.Bf6 Qf6 10.c3 Be7 11.Nd6 Bd6 12.Ba6 Be4 13.Qe2 0–0; D) 8.g4 Bg7 (8...h6 9.Bg2 Bg7 10.0–0 0–0 11.Ne5 Bg2 12.Kg2 h5 13.h3 c6; 8...Rg8 9.Rg1 Ne4 10.Bd3 Bg7 11.Bg7 Rg7 12.Be4 Be4 13.g5 f5) 9.g5 Nh5 10.Bg7 Ng7 11.Rg1 h6 12.gh6 Rh6 13.Bd3 Qf6.

7.Nb5 d6?? 8.Bf6+– Qf6 9.Nc7 Kd8 10.Na8 Bg7 11.d4 Ba8 12.Bd3 Ke7 13.a4 Rc8 (13...Bf3 14.Qf3 Qf3 15.gf3+–) 14.a5 Nd7 (14...Bf3 15.Qf3 Qf3 16.gf3+–) 15.ab6 Nb6 (15...ab6 16.Ra7 Bc6 17.0–0+–) 16.Ra7 Kf8 17.h4 h5 (17...Qd8+–) 18.Ng5 Bg2 (18...Kg8 19.Rf7 Qf7 20.Nf7 Kf7+–) 19.Nh7 Kg8 20.Nf6 Bf6 21.Rg1 (better is 21.Bg6 Kf8 22.Qh5 Rc7 23.Rc7 Ke8 24.Qb5 Bc6 25.Qc6 Kd8 26.Qd6 Nd7 27.Qd7) 21...Bh3 22.Bg6! fg6 (22...fg6 23.Rg6 Mate attack) 23.Rg6 Kh8 (23...Kf8 24.Rf6 Kg8 25.Qh5 Bf5 26.Qf7 Kh8 27.Qg7) 24.Qh5 1–0. Anonymous – tdzf, internet, 2011.

7.Bc4 Nc6 A) 8.d4 d5 9.Bd3 a6 10.0–0 Bg7 11.Re1 0–0 12.Qd2 Rfd8 13.Qe2 Ne8; B) 8.g4 Bg7 (8...h6 9.Rg1 Bg7 10.Bd3 0–0–0 11.Na4 Kb8 12.Bc3 Qf8 13.b5 Ne7) 9.g5 Nh5 10.Rb1 a5 11.Nb5 d5 12.Bg7 Ng7 13.Bd3 ab4; C) 8.0–0 Bg7 (8...a6 9.b5 ab5 10.Nb5 Rc8 11.Ne5 Bg7 12.Nc6 dc6 13.Qf3 0–0) 9.d4 d5 10.Bd3 0–0 11.Qd2 a6 12.h3 e5 13.de5 Ne5; D) 8.h3 Bg7 (8...Bh6 9.0–0 0–0 10.e4 Bf4 11.g3 Bd6 12.d4 e5 13.Nd5 Nd5; 8...a6 9.0–0 Bg7 10.d4 d5 11.Bd3 0–0 12.Re1 Rfd8 13.Qe2 e5) 9.0–0 0–0 10.d4 a6 11.Bd3 Rfe8 12.Qd2 d5 13.Rfe1 e5; E) 8.Qe2 a6 (8...Bg7 9.e4 0–0 10.0–0 a6 11.h3 Nh5 12.Qe3 Qd6 13.Rfe1 b5) 9.0–0 Bg7 10.e4 0–0 11.h3 Nh5 12.Qe3 Qd6 13.Rfe1 b5; F) 8.e4 Bg7 (8...a6 9.0–0 b5 10.Be2 Bg7 11.d4 0–0 12.Qd3 Rfe8 13.e5 Nd5) 9.Qe2 0–0 10.0–0 a6 11.h3 Nh5 12.Qe3 Qd6 13.Rfe1 b5; G) 8.Bb3 Bg7 (8...a6 9.e4 Bg7 10.d4 d5 11.e5 Ng4 12.0–0 0–0 13.Bc1 Qd7; 8...d6 9.d4 Bg7 10.0–0 d5 11.b5 Na5 12.a4 Qb4 13.Ne2 Nc4; 8...0–0–0 9.0–0 Bg7 10.d4 d5 11.b5 Na5 12.a4 Qb4 13.Ne2 Qe7) 9.0–0 0–0 10.d4 d5 11.Qd3 a6 12.Rae1 Rfd8 13.e4 de4; H) 8.Nb5 Rc8 (8...d5 9.Nc7 Kd8 10.Na8 dc4 11.0–0 Ba8 12.Qe2 Bb7 13.Qc4 Bg7; 8...0–0–0 9.0–0 Bg7 10.Nbd4 Nd4 11.Bd4 d6 12.b5 e5 13.Bb2 Ne4) 9.g4 h6 10.Rg1 Bg7 11.h4 d5 12.Bd3 0–0 13.g5 hg5.

7.Bc4 Bg7 A) 8.b5 d5 (8...0–0 9.a4 Ne4 10.0–0 d5 11.Ba3 Nd6 12.Bd3 Nd7 13.Nd4 Ne5) 9.Bb3 0–0 10.0–0 Nbd7 11.a4 Ne4 12.d4 Nd6 13.h3 a6; B) 8.Bb3 0–0 (8...Nc6 9.0–0 0–0 10.d4 d5 11.Qd3 a6 12.Rfe1 Qd6 13.h3 e5; 8...d5 9.0–0 0–0 10.Qe2 Nbd7 11.h4 c5 12.Ng5 a5 13.bc5 Nc5; 8...a5 9.b5 0–0 10.0–0 d5 11.a4 Ne4 12.d4 Nd6 13.Qd3 Nd7; 8...d6 9.0–0 0–0 10.Qe2 a5 11.h3 Nc6 12.b5 Ne5 13.Nd4 Nh5; 8...a6 9.0–0 Nc6 10.h3 0–0 11.d4 d5 12.Re1 Rfd8 13.Qd3 e5) 9.0–0 d5 10.h3 Nbd7 11.Qe2 c5 12.d3 cb4 13.ab4 Qb4; C) 8.d4 a5 (8...d5 9.Bd3 0–0 10.0–0 a5 11.b5 Nbd7 12.h3 Ne4 13.a4 Rfe8; 8...0–0 9.0–0 d5 10.Bd3 Nbd7 11.Qe2 c5 12.bc5 bc5 13.Bb5 a6) 9.0–0 ab4 10.ab4 Qb4 11.Ra8 Ba8 12.Bb3 Bb7 13.Ne5 Nc6; D) 8.Bd3 0–0 (8...Nc6 9.0–0 0–0 10.b5 Na5 11.Qe2 Ng4 12.a4 Qd6 13.g3 Nb3; 8...d5 9.h4 0–0 10.0–0 e5 11.Ng5 h6 12.Nh3 a5 13.b5 Nbd7; 8...a6 9.0–0 0–0 10.Qe2 Nc6 11.h3 d5 12.Nd4 Nd8 13.Nf3 e5; 8...d6 9.Bb5 c6 10.Bd3 0–0 11.0–0 Nbd7 12.Qe2 d5 13.e4 Ne4) 9.0–0 e5 10.Ng5 e4 11.Be2 Nc6 12.d4 a5 13.b5 Nd8; E) 8.Qe2 0–0 (8...d5 9.Bb5 Nbd7 10.Ba6 Ba6 11.Qa6 0–0 12.Nb5 Ne4 13.Bg7 Kg7; 8...a6 9.0–0 0–0 10.Ng5 d5 11.Bb3 Nc6 12.d4 Ne8 13.Nh3 Nd6) 9.0–0 d5 10.Bd3 e5 11.e4 d4 12.Nd5 Nd5 13.ed5 Bd5; F) 8.Ng5 Nc6 (8...0–0 9.Nb5 d5 10.Bd3 a6 11.Nc3 h6 12.Nf3 e5 13.Nh4 e4; 8...h6 9.Nf3 Nc6 10.d4 d5 11.Bd3 0–0 12.0–0 a6 13.Qd2 e5; 8...d5 9.Bb3 0–0 10.0–0 Nbd7 11.d4 c5 12.Qd2 cd4 13.ed4 Rfe8; 8...Bg2 9.Rg1 Bb7 10.Nb5 d6 11.Be2 Nc6 12.Bf3 0–0 13.Ne4 Ne4; 8...Nh5 9.h4 Nc6 10.d4 Nf6 11.0–0 d5 12.Bd3 0–0 13.Re1 a6; 8...a5 9.Nb5 d5 10.Bd3 0–0 11.ba5 Ra5 12.0–0 h6 13.Nf3 Nc6) 9.d4 d5 10.Bd3 Rd8 11.0–0 0–0 12.Nf3 Ne4 13.Rb1 Nd6; G) 8.h3 0–0 (8...d5 9.Bd3 0–0 10.0–0 e5 11.Be2 a5 12.b5 Nbd7 13.a4 Rfe8; 8...Nc6 9.0–0 0–0 10.d4 d5 11.Bd3 Qd6 12.Qd2 Rfe8 13.b5 Na5; 8...a6 9.d4 0–0 10.0–0 d5 11.Bd3 Nbd7 12.Qe2 a5 13.b5 e5; 8...a5 9.b5 d5 10.Be2 0–0 11.0–0 Nbd7 12.a4 Ne4 13.Nd4 Nd6) 9.0–0 d5 10.Bb3 Nbd7 11.Qe2 a5 12.b5 Nc5 13.Ne5 Nfd7; H) 8.0–0 0–0 (8...Nc6 9.d4 d5 10.Bd3 0–0 11.h3 Rad8 12.Re1 Rfe8 13.Rb1 a6; 8...d5 9.Bb5 Nbd7 10.Bd7 Qd7 11.Ne5 Qe7 12.f4 0–0 13.Qf3 a5; 8...a6 9.Qe2 0–0 10.Ne5 d6 11.Nd3 d5 12.Bb3 Nc6 13.f3 Ne8) 9.Qe2 Nc6 10.e4 d5 11.ed5 ed5 12.Qe7 Ne7 13.Bb5 Nf5.

7.Bd3 A) 7...Nc6 8.Nb5 Rc8 (8...0–0–0 9.0–0 Bg7 10.c4 e5 11.Nc3 Qd6 12.Qe2 Kb8 13.Ng5 Qe7) 9.0–0 Bg7 10.Ne5 Ne5 11.Be5 d6 12.Bb2 c6 13.Nc3 0–0; B) 7...Bg7 B1) 8.Nb5 d6 9.0–0 0–0 10.Qe2 Nc6 11.e4 a5 12.Bc3 Ng4 13.Nfd4 Nd4; B2) 8.0–0 Nc6 (8...0–0 9.Qe2 d6 10.Ng5 h6 11.Nf3 a5 12.Rfd1 Nc6 13.b5 Ne5; 8...d5 9.Ne5 0–0 10.Nb5 Nc6 11.Qe2 a6 12.Nc6 Bc6 13.Nd4 Bb7) 9.b5 Na5 10.Qe2 0–0 11.h3 e5 12.e4 Nh5 13.g3 Nf6; B3) 8.h4 0–0 (8...Nc6 9.Nb5 Rc8 10.0–0 0–0 11.Qe2 e5 12.e4 a6 13.Nc3 Nd4) 9.h5 Nh5 10.g4 Nf6 11.g5 Nh5 12.Rb1 d5 13.Nb5 e5; B4) 8.Qe2 0–0 (8...a6 9.h3 Nc6 10.0–0 0–0 11.e4 Nh5 12.Qe3 a5 13.b5 Ne5; 8...d5 9.h4 0–0 10.0–0 Nbd7 11.Rab1 c5 12.Ba6 Ba6 13.Qa6 Ng4; 8...Nc6 9.b5 Na5 10.0–0 0–0 11.h3 e5 12.e4 Nh5 13.g3 Nf6) 9.0–0 d6 10.h3 a5 11.Nb5 Nc6 12.Bc3 e5 13.Bc4 d5; B5) 8.b5 d6 (8...0–0 9.a4 d6 10.a5 Nbd7 11.a6 Bf3 12.Qf3 Ne5 13.Qf4 Nd3; 8...a5 9.0–0 0–0 10.Qe2 d5 11.a4 Nbd7 12.Nd4 Nc5 13.f4 Rad8; 8...d5 9.a4 Nbd7 10.0–0 0–0 11.a5 ba5 12.Ra5 Nc5 13.Ne5 Qd6) 9.0–0 0–0 10.Qe2 Nbd7 11.Nd4 Nc5 12.f4 e5 13.Nc6 Qe8.

7.g4 A) 7...h6 A1) 8.b5 Bg7 (8...d5 9.h4 Nbd7 10.Bh3 Bg7 11.Qe2 e5 12.g5 hg5 13.hg5 Ne4; 8...d6 9.Rg1 Bg7 10.h4 Nbd7 11.Nd4 Nh7 12.Nf3 Ne5 13.Be2 0–0; 8...a6 9.Rg1 Bg7 10.h4 ab5 11.Nb5 Na6 12.g5 hg5 13.hg5 Nh5; 8...e5 9.h3 Bg7 10.a4 e4 11.Nd4 0–0 12.a5 c5 13.Nb3 d5) 9.Rg1 d5 10.a4 Nbd7 11.a5 ba5 12.Ra5 Nc5 13.Qa1 0–0; A2) 8.h4 Nc6 (8...Bg7 9.Nb5 Na6 10.Rg1 c6 11.Nc3 c5 12.b5 Nc7 13.h5 Ne4) 9.Rg1 Bg7 10.h5 gh5 11.gh5 Nh5 12.b5 Na5 13.Nh2 Qh4; A3) 8.Bd3 Bg7 (8...Nc6 9.Rg1 Bg7 10.b5 Na5 11.a4 e5 12.Ba3 d6 13.Be2 Qd7) 9.Rg1 Nc6 10.h4 0–0–0 11.b5 Na5 12.Na4 Kb8 13.Bc3 Rhg8; A4) 8.Bg2 Bg7 (8...a6 9.Qe2 Bg7 10.0–0 Nc6 11.Ne5 0–0 12.f4 d5 13.Nd3 Rad8) 9.Nb5 d6 10.Qe2 a6 11.Nc3 0–0 12.h3 d5 13.0–0 e5; A5) 8.Nb5 Na6 9.Bd3 Bg7 10.Rg1 c6 11.Nc3 c5 12.b5 Nc7 13.h4 e5; B) 7...Bg7 8.Nb5 Na6 9.g5 Nh5 10.Bg7 Ng7 11.Rg1 h6 12.h4 hg5 13.hg5 e5.

3.a3 Nf6

4.e3 b6 5.Nf3+= Bb7 6.Nc3 Nc6 7.d4 g6 8.d5+/– Nd8 9.Nb5+– Bg7?? 10.Nc7 Kf8 11.d6 Qe8 12.Ne8 Ke8 13.Rb1 Rc8 14.Bd3 Bd5 15.e4! Bb7 16.0–0 Kf8 17.Re1 Kg8 18.Ng5 h6 19.Nf3 Kh7 20.Qd2 Rf8 21.c4 Bc6 22.h3 Ba8 23.Rbc1 Bb7 24.Rc2 a6 25.Qe3 b5 26.e5 Bf3 27.ef6 Bh8 28.Qf3 Nc6 29.cb5 ab5 30.Rc5 (30.Rc5 Rfe8 31.Rh5+–) 1–0. marus1 – cooper1001, internet, 2001.

4.e3 g6 5.Nf3 Bg7 6.Be2 0–0 7.0–0 d5 (7...d6 8.d4+=) 8.c4 (8.d4 Nbd7+=) 8...c5 (8...a5 9.b5+=) 9.d4 (9.cd5 ed5 10.bc5 Qc5+=) 9...cd4 (9...cb4 10.ab4 dc4 11.b5+=) 10.Bd4 Nc6? (better is 10...Rd8!?+=) 11.Bc5+– Qe8 12.Bf8 Qf8 13.Qb3 (13.cd5 Nd5 14.Ra2 a6+–) 13...Bd7 (13...a6 14.Nbd2+–) 14.Nbd2 Nd8 (14...Rd8 15.Rac1+–) 15.Rad1 (15.Rfd1 a5+–) 15...a5 16.b5 b6 (16...a4 17.Qa2+–) 17.e4 dc4 (17...de4 18.Ng5+–) 18.Nc4 Be8 (18...a4 19.Qb2 Ne4+–) 19.Nb6 Rb8 20.Qc2 (20.e5 Ne4 21.Qe3 Nc5+–) 20...Bb5 21.Bb5 Rb6 22.Qc7 Rb5 (22...Nd5 23.Rd5 (23.ed5?! Rb5 24.d6 Rb7+–) 23...Rb7 24.Qd8 (worse is 24.Rd8 Rc7 25.Rfd1 Bb2+–) 24...ed5 25.Qd5+–) 23.Rd8 (23.Qd8?! Ne4 24.Qc7 Rc5+=) 23...Ne8 (23...Ne4 24.Rf8 Bf8+–) 24.Qd7 Qa3 (24...Rb7 25.Qb7 Bf6+–) 25.Qb5 Bf8 26.Re8 (26.Qe8 Kg7 27.Rd7 Qe7 28.Re7 Be7 29.Qe7 e5 30.Ng5 Kh6 31.Nf7 Kg7 32.Ng5 Kh6 33.Ne6 a4 34.Qg5) 26...Kg7 27.Qe5 Kg8 28.Rd1 a4 (28...f6 29.Qe6 Kg7 30.Rd7 Qe7 31.Ree7 Be7 32.Qe7 Kh6 33.Qh7) 29.Qf6 Qb3 (29...Qb4 30.Ng5 Qe7 31.Re7 Be7 32.Qf7 Kh8 33.Qh7) 30.Rf8! Kf8 Decoy to f8 31.Rd8 1–0. Schellen,Anton – Willoughby,Peter, FICGS, 2006.

3.b5 b6

4.a4 Bb7 5.e3 a6 6.ba6 Ba6 7.Ba6 Ra6 8.Nf3 Nf6 9.0–0 g6 10.Nc3 Bg7 11.Nb5 d6 12.d4 0–0 13.h3 c6 14.Nc3 Nbd7 15.Re1 e5 16.de5 de5 17.Ne2 e4 18.Nfd4 c5 19.Nb5 Ne5 20.Be5 Qe5 21.Ng3 Nd5 22.Ra2 Nb4 23.Ra1? Raa8?? 24.c3 Nd3 25.Re2 Rad8 26.Qb3 h5 27.Qc4 h4 28.Ne4+/– Nf2?? 29.Nf2 Qf5 30.Qh4 Bf6 31.Qf4 Qe6 32.Ng4 Bg7 33.Rf1 Rde8 34.Nf6 Bf6 35.Qf6 Qc4 36.Ref2 Qa4 37.Nd6 Re6 38.Qe6! fe6 39.Rf8 Kg7 40.R1f7 Kh6 41.Rh8 Kg5 42.Rfh7 Qd1= 43.Kh2 Qd6–/+ 44.Kg1 b5 45.h4 Kg4 46.Rg8 e5 47.Rh6+/– Qd1 48.Kh2 Kf5 49.Rgg6 Ke4 50.Re6 Qg4 51.g3?? Qe2–+ 52.Kh3 Qf1 53.Kg4?? Qf3 54.Kg5?? Qg3 55.Kf6–/+ Qf3 56.Ke7 Qe3 57.Kd6?? Qd3?? 58.Kc5= Qc3 59.Kb5 Qd3 60.Kb6 Qb3 61.Kc6 Qc3 62.Kd6 Qd3 63.Ke7 Kd5?? 64.Rd6+– (64.Rd6 Ke4 65.Rd3 Kd3 66.h5+–) 1–0. wojtekkk (1680) – dumnica, kurnik, 2011.

4.a4 Bb7 5.e3 h6 6.Nf3 a5 7.Bd3 Nf6 8.0–0 g6 9.Qe2 (9.e4 Bg7+=) 9...Bg7 10.Na3 Nh5 11.Bg7 Ng7 12.e4 d6 13.e5 d5 14.c4 Nd7 15.cd5 Bd5 16.Nc2 (16.Be4 0–0+/–) 16...Nc5 (16...Bf3!? 17.Qf3 Rd8=) 17.Bc4+/– Bc4 18.Qc4 Rd8 19.d4 Ne4?? (better is 19...Nd7+–) 20.Qc6 Qd7 21.Qe4 0–0 (21...Nf5 22.Kh1+–) 22.Ne3 f5 (22...h5 23.Qf4 Kh7 24.Ng5 Kg8 25.Rfd1+–) 23.ef6! Rf6 24.Ng4 Rff8 (24...Rf3 25.Qf3 Qe7 26.Ne5+–) 25.Qg6 Qe7 (25...Qe8 26.Nf6 Rf6 27.Qf6 Rd6+–) 26.Nh6 Kh8 27.Ng5 Nf5 28.Nhf7 Rf7 29.Nf7 Qf7 30.Qf7 Rd4 31.Ra3 Rh4 (31...Rd3 32.Rd3 Nh6 33.Rd8 Ng8 34.Rg8) 32.Rd1 Rh7 (32...Nd6 33.Rd6! cd6 34.Rg3 Rg4 35.Rg4 d5 36.Rh4) 33.Rd8 1–0. Janek – arabica, internet, 2016.

4.e3 Qb4 5.Qc1 Bc5?? 6.a4 a6?? 7.Nf3 ab5?? 8.ab5 Ra1+= 9.Ba1 Qg4 10.Nc3 Ne7 11.Ne5 Qg5 12.Nf3 Qg6 13.Nh4 Qh6 14.g3 0–0 15.Ne4 Ng6 16.Ng6 Qg6 17.Bg2 Bb7 18.d3 d5 19.Nc5 bc5 20.0–0 Nd7 21.Qb2 e5 22.f4 f6 23.f5 Qg5= 24.e4 Qe3 25.Kh1 de4 26.de4 Be4–/+ 27.Be4 Qe4 28.Kg1 Nb6 29.Qb3 Kh8 30.Qd3 Qg4 31.Qf3 Qb4 32.Qd3 Nc4 33.Qd7 Ne3 34.Rc1 Qe4 35.Qc6 Qf5?? 36.Bc3?? c4 37.Be1?? Qf1 0–1. ventil (1610) – dumnica, kurnik, 2011.

4.e3 Bb7 5.Nf3 Nf6 6.Be2 d6 7.a4 Nbd7 8.Nc3 0–0–0 9.a5 Nc5 10.ab6 ab6 11.Ra7 Kd7? 12.Nd4 Bg2+/– 13.Nc6 Bc6 14.bc6 Kc6?? 15.Bb5 1–0. ventil (1715) – dumnica, kurnik, 2011.

4.e3 Bb7 5.Qg4 Nf6 6.Qg3 d6 7.Nf3 Nh5 (7...Ne4 8.Qh3+=) 8.Qg4 (8.Qh3 Nf6+=) 8...Nf6= 9.Qh4 Nbd7 10.Be2 (10.Nc3 Nc5+=) 10...e5 (10...Nd5 11.Qg3+=) 11.Qc4 (11.Nc3 0–0–0+=) 11...Nc5= 12.d4 (12.0–0 Qe6=) 12...Bd5 (better is 12...d5 13.Qc3 Na4+=) 13.Qb4+= Ncd7 (13...e4 14.Nfd2 Ncd7 15.Nc3+=) 14.0–0+/– h6 (14...Bb7 15.de5 de5 16.Qe7 Ke7 17.Nbd2+/–) 15.de5 (15.Nc3 Bb7+/–) 15...Ne5 16.Ne5 de5 17.Qe7 Be7 18.Be5 Bd6 19.Bd6 cd6 20.Rd1 0–0? (better is 20...Rc8!? 21.Bd3 Ke7+/–) 21.c4+– Bb7 22.Rd6 Ne4 23.Rd7 Nc5 24.Rd4 a6 25.Nc3 (better is 25.Nd2+–) 25...a5?? (better is 25...ab5 26.Rdd1 bc4 27.Bc4 Rfd8+/–) 26.Rad1 (26.Rd6 f5 27.Rb6 f4+–) 26...Ne6 (26...Rab8+–) 27.Rd6 Rad8 28.Rb6 Rb8 29.Nd5 Kh8 (29...Rfe8 30.Rd6+–) 30.Ne7 Rfd8 (30...Nc5 31.Nc6 Rbe8+–) 31.Rd8 Nd8 (31...Rd8 32.Rb7 Rd2 33.Bf1 Ra2 34.b6+–) 32.Bf3 Kh7 (32...g6 33.c5 Kg7 34.c6 Bc6 35.Rb8 (35.bc6 Rb6 36.h4 Rb1 37.Kh2 Rc1–/+; worse is 35.Rc6 Nc6 36.Bc6 Kf6 37.Nd5 Ke5+–) 35...Bb5 36.Rb5+–) 33.c5 Ne6 34.Rb7 (better is 34.c6!? Bc6 35.Rb8 Bf3 36.gf3 Nc5+–) 34...Rb7 35.Bb7 Nc5 36.Bc6 Na4 37.Be8 g6 (37...f6 38.Bg6 Kh8 39.Nc6+–) 38.Nc6 (better is 38.Bf7!? g5+–) 38...Kg7 39.Na5 Kf8 40.Bc6 Ke7 (40...Nb6 41.Kf1+–) 41.Nc4 Kd8 (41...Nc5 42.b6 f6 43.a4+–) 42.b6 Nb6 43.Nb6 Kc7 44.Be8 Kb6 45.Bf7 g5 (45...Kc5 46.Bg6 Kd5 47.f4+–) 46.e4 Kc6 47.e5 Kd7 48.a4 Ke7 49.e6 (49.e6+–) 1–0. Leon Manas,JF (1715) – Rodriguez Brito,GA, Torneo de Ajedrez Dia Universa, 2009.

3.c3 c6

4.e3 d5 5.Nf3 f5 6.d4 Nf6 7.Bd3 g6 8.Nbd2 Bg7 9.0–0 0–0 10.h3 Nbd7 11.Re1 e5 12.de5 Ne5 13.Ne5 Qe5 14.Nf3 Qe7 15.Qc2 Ne4 16.Be4 (better is 16.Rab1!?=) 16...fe4–/+ 17.Nd2? (17.Nd4 Be5–/+) 17...Be6 (better is 17...Qg5!? 18.Nf1–+) 18.Nf1 a5 19.ba5 Ra5 20.Ng3 Rfa8 21.Red1 (21.a4 b5 22.ab5 cb5–/+) 21...b5 22.a3 c5 23.Qd2 d4?? (better is 23...Ra4–/+) 24.cd4 (worse is 24.Ne4 Bb3 25.f3 Bd1 26.Rd1 de3 27.Qe3 c4–/+) 24...cd4 25.Bd4 (worse is 25.Ne4 Bc4 26.Ng3 de3 27.fe3 Bb2 28.Qb2 Qe3 29.Kh2 Qe7+=) 25...Bd4 26.ed4 Bc4 27.d5 (27.Re1 Ra3 28.Ra3 Ra3 29.Ne4 Bd5+/–) 27...Ra3 28.Ra3 Ra3 29.Kh2?? (29.d6 Qh4 30.Qd4 Rd3 31.Rd3 Bd3 32.Qd5 Kg7 33.Qb7 Kf8 34.Qb8 Kf7+–) 29...Rg3?? (better is 29...Rd3 30.Qe1 Qd6–/+) 30.fg3 b4? (better is 30...e3 31.d6 ed2 32.de7 Kf7+/–) 31.Qb2 b3 32.Rb1?? (better is 32.Qc3 Bd3 33.Qb3+–) 32...Qd6 (better is 32...Bd5 33.Qd4 Bf7+=) 33.Qb3?? (33.Ra1 Bd5 34.Ra7+–) 33...Bb3–+ 34.Rb3 h5 35.Rd3 (35.Rb2–+) 35...ed3 (35...ed3 36.Kg1 d2 37.Kf2 d1Q 38.Ke3 Qg3 39.Ke4 Qdd3) 0–1. Fournier,Frederic – frank001, Active Blind, 2008.

4.e3 d5 5.Nf3 Nf6 6.d4 g6 7.Bd3 Bg7 8.Nbd2 0–0 9.0–0 Re8 10.a3 Nbd7 11.Re1 b5 12.e4 Qd8 13.ed5 ed5 14.Re8 Qe8 15.Qf1 Qd8 16.Re1 Qc7 17.Qe2 Bb7 18.Qd1 Re8 19.Re8 Ne8 20.Qe2 Nef6 21.Nf1 Qc8 22.Ne3 Qe8 23.h3 Bh6 24.Nc2 Qe2 25.Be2 Kg7 26.Ne3 Be3 27.fe3 Nb6 28.Bc1 Nc4 29.Bc4 dc4 30.Kf2 (30.Kf1 Ne4 31.Bb2 Kf6+=) 30...Bc8 (30...Ne4 31.Ke1 Nc3 32.Bb2–/+) 31.Bd2 a6 32.e4 (better is 32.Ne5=) 32...Kg8?? (better is 32...Ne4 33.Ke3 f5–/+) 33.e5 Nd7 34.g4 Nb6 35.Kg2 Nd5 36.Kf2 Nb6 37.Kg2 Na4 ½–½. Fournier,Frederic (1995) – carlov (1980), Active Blind, 2008.

3.c3 Nc6

4.e3 b6 5.Nf3 Bb7 6.a3 a6 7.d4 0–0–0 8.Bd3 Kb8 9.Nbd2 d6 10.Qc2 Nf6 11.0–0 g6 12.h3 Bg7 13.Rfe1 Rdg8 14.e4 h5 15.e5 de5 16.Ne5 (16.de5!? Nd5 17.c4+/–) 16...Ne5= 17.de5 Nd7 18.Nf3?? (18.c4 Qg5 19.Be4 Be4 (19...Be5? 20.Nf3 Qd8 21.Be5+–) 20.Re4 Qf5+/– (20...Ne5? 21.Be5 Be5 22.Nf3+–)) 18...f6?? (better is 18...Bf3 19.gf3 Ne5–+) 19.ef6+= Nf6? (better is 19...Qf6 20.Be4 Re8+/–) 20.Be4?? (better is 20.Ne5 Qd6 21.Nf7+–) 20...Be4 21.Qe4?? (better is 21.Re4 Ne4 22.Qe4–/+) 21...Ne4–+ 22.Re4 Rd8 23.Rae1 Ka7 (better is 23...Rd6–+) 24.c4 (24.Re6 Qf8–+) 24...Rhg8 (better is 24...Bb2 25.Re6 Qf7–+) 25.Bg7 Qg7 (worse is 25...Rg7 26.Nd4 Rd4 27.Rd4–+) 26.R4e2 Rgf8 (26...Qc3 27.Re6 Qc4 28.R6e4–+) 27.Rc2 White plans c5 (27.Ng5 Qc3 28.Ne6 Qa3 29.Nf8 Rf8–+) 27...Rde8 28.Rec1 e5 29.c5 Kb8 30.cb6 cb6 31.Rc7 (31.Ng5 Qd7–+) 31...Qc7 32.Rc7 Kc7 33.Kh2 (33.Nh4 Rf6 34.Nf3 e4–+) 33...a5 (better is 33...e4 34.Ng1 Rf2 35.Kg3–+) 34.ba5 (34.Kg3 e4 35.Nd4 e3 36.fe3 Re3 37.Kh2 Rd8–+) 34...ba5 (34...e4!? 35.Nd4 Rf2 36.ab6 Kb6 37.Nb3–+) 35.Ne5 (35.Kg1 Rf4–+) 35...Re5 0–1. Fournier,Frederic (1845) – cheekkalluwa (1780), Active, 2009.

4.e3 d6 5.Nf3 Bd7 6.d4 Nd4?? (better is 6...Nf6+=) 7.cd4+– Nf6 8.a3 g6 9.Be2 Bg7 10.Bd3 0–0 11.Nbd2 Rfe8 12.0–0 Qf8 13.h3 Rad8 14.Rc1 c6 15.Re1 d5 16.Nb3 Kh8 17.Nc5 b6 (17...Bc8 18.Ne5+–) 18.Nd7 Nd7 19.Qc2 (19.Rc6 Rc8 20.Qa4 Rc6 21.Qc6 Nf6+–) 19...c5 (19...Nb8 20.Ne5+–) 20.dc5 Bb2 (20...bc5 21.bc5 Rc8 22.c6+–) 21.Qb2 (21.Qb2 Qg7 22.Qg7 Kg7 23.c6+–) 1–0. Fournier,Frederic (1990) – franklinwerbor (1915), Active, 2008.

2.Bb2 Ne7

3.a3 Ng6 4.e3 f6 5.Nf3 Be7 6.d3 d5 7.Nbd2 Nd7 8.Be2 c5 9.bc5 Nc5 10.c4 dc4 11.Nc4 0–0 12.0–0 b5 13.d4 Ne4 14.Ncd2 Bb7 15.Bb5 a6 16.Be2 Bd6 17.Ne4 Be4 18.Nd2 Bb7 19.Bf3 Bf3 20.Nf3 Qb6 21.Rb1 Qd8 22.Qa4 Qe7 23.Rfc1 Rfb8 24.h3 h6 25.Rc6 a5 26.Qc4 Kh7? 27.Qc2+/– Ba3 28.Ba3+– Rb1 29.Qb1 Qa3 30.Qb7?? Qf8 31.Ra6 Ra6 32.Qa6 Qb4 33.Qe6 a4?? 34.Qa6 a3–+ 35.Nd2 Qb2 36.Nc4?? Qb1 37.Kh2 a2 38.Nd2 Qb2 39.Nc4 a1Q 40.Qa1 Qa1 41.Nd6 Qb2 42.Kg3 Qb8 43.f4 Qd6 44.Kf3 Qd5 45.Kf2 Qe4 46.g4 Nh4 47.Ke2 Qf3 48.Kd2 Qh3 49.g5 fg5 50.fg5 hg5 51.Kd3 Qf1 52.Ke4 Ng6 53.Kd5–+ Qf5 54.Kc4 Qf7 55.Kd3 Qf5 56.Kd2?? Nh4 57.e4 Nf3 (57...Nf3 58.Ke3 Qf4 59.Kd3 g4 60.e5 g3 61.Kc4 Qd4 62.Kb5 Qd3 63.Kb6 g2 64.Kc7 g1Q 65.e6 Qa7 66.Kc8 Qa8 67.Kc7 Qdd8) 0–1. exp2005 – bj47, kurnik, 2011.

3.c4 d6 4.e3 e5 5.Nf3 g6 6.Be2 Bg7 7.0–0 0–0 8.d4 ed4 9.Bd4 Nbc6 10.Bg7 Kg7 11.Nd4 Nb4 12.Qb3 a5 13.a3 Nbc6 14.Nb5 Ne5 15.Qc3 c6 16.Nd4 d5 17.c5 f6 18.Nd2 Nf5 19.f4 Nd4 20.Qd4 Nd7 21.Bf3 Qe7 22.Rac1 Kg8 23.Rfe1 Qg7 24.e4 f5 25.Qg7 Kg7 26.ed5 Ra6 27.dc6 bc6 28.Nb3 a4 29.Nd4 Ra5 30.Ne6 Kg8 31.Nf8 Kf8 32.Bc6 Nc5 33.Re8 Kg7 34.Rc8 Nd3 35.Rd1 Nf4 36.Rd7 Kh6 37.Bf3 Re5 38.Rh8 Re3 39.Rhh7 Kg5 40.h4 Kf6 41.Rhf7 Ke6 42.Rfe7 Kf6 43.Re3 1–0. olawoj – juras57, internet, 2014.

3.e3 a6 4.c4 Nbc6 5.b5 ab5 6.cb5 Na7 (6...Na5 7.Nf3=) 7.h4 (7.Nc3!?+/–) 7...b6+= 8.Nf3 c5 9.d4 (9.h5 h6+=) 9...Nd5 (9...cd4 10.Bd4 Nf5 11.Bb2+=) 10.dc5 bc5 (better is 10...Bc5 11.Bg7 Rg8+/–) 11.Bc4?? (better is 11.e4 Nf6 12.e5+/–) 11...Qa5 12.Nfd2 (better is 12.Nbd2 Nb5 13.Qb3+=) 12...Nb4?? (12...Nb5 13.Qb3 Ndc7 14.a4–/+) 13.0–0?? (better is 13.Nc3!? d5 14.a3+–) 13...d5 14.Nb3 Qc7 15.Be2+= c4 16.Nd4 Bd6 17.g3 0–0 18.Nc3 e5 19.Nc2+= Bb7 20.Nb4+/– Bb4 21.Nd5 Qd6 22.Bc4 Rad8?? 23.e4 Bc8 24.Qf3 Kh8 25.Ba3 Ba3–/+ 26.Qa3?? Qg6 27.Qe3 Bh3 28.Rfd1 Nc8 29.b6 Nd6 30.Bd3 f5 31.Ne7 Qe6 32.Nd5 f4 33.gf4 ef4+= 34.Qf3 g5?? 35.Bf1?? Bg4?? 36.Qc3 Kg8 37.f3 Bh5 38.Bc4 Bf7 39.Nf6 Qf6 40.Qf6 Bc4 41.Qg5 Kh8 42.Qe5 Kg8 43.Rd6 Rde8 44.Qc5 Be2 45.Kf2 Ba6 46.Rb1 Rc8 47.Rc6 Rcd8 48.Rb2 Bb7 49.Rc7 Rb8 50.Qe7 (50.Qe7 Rf7 51.Qf7 Kh8 52.Qh7; 50.Qg5 Kh8 51.Qg7) 1–0. Melzig,Ernst – Gafke,Manfred, Wch Seniors, 2002.

3.e3 b6 4.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 Ne7).

3.e3 Nbc6 4.a3 d5 5.Nf3 Nf5 6.c4 d4 (6...dc4 7.Bc4 Be7 8.0–0=) 7.ed4 (better is 7.b5!? Nce7 8.e4+/–) 7...Ncd4= 8.Nd4 Nd4 9.d3 e5 10.Nd2 g6 (10...a5!? 11.ba5 Bd6+=) 11.Nf3= Bg7 12.Nd4 ed4 13.Be2 0–0 14.0–0 Qd6 15.Re1 Bf5 16.Bc1 Be5 17.g3 b6 18.Bf1 c5 19.b5 Qd7?? (better is 19...Rae8=) 20.Re5+– Bg4 21.Qe1 Rae8 22.Re8 Re8 23.Qd2 Qe6 24.a4 Qe1 25.Qe1 Re1 26.Bb2 Re6 27.a5 Re7 28.ab6 ab6 29.Bc1 Bc8 30.Bh6 f5 31.Ra8 Re8 32.Rb8 Kf7 33.Rb6 Re6 34.Re6 Ke6 35.Bf4 Bb7 36.Bg2 Bc8 37.b6 Kf6 38.b7 Bb7 39.Bb7 g5 40.Bd6 h6 41.Bc5 f4 42.Bd4 Kf5 43.Be4 Ke6 44.c5 fg3 45.hg3 h5 46.c6 Kd6 47.f4 h4 48.fg5 hg3 49.g6 Kc7 50.g7 Kc8 51.g8Q Kc7 52.Be5 Kb6 53.Qb3 Kc5 54.Qc4 Kb6 55.Bd4 Kc7 56.Be5 Kb6 57.c7 Ka5 1–0. Fournier,Frederic (1710) – roquigar, Active, 2006.

3.e4 d5 4.Nc3 d4 (4...Ng6 5.a3=) 5.Nce2 (5.Na4 Ng6 6.Nf3 Bb4 7.Bd4 0–0=) 5...e5 6.Nf3 Ng6 7.c3 d3 (better is 7...dc3!? 8.Bc3 Bg4=) 8.Nc1+/– Nf4 (8...a6!?+/–) 9.g3+– Ng6 10.Nd3 c6 (10...Qd6 11.Be2+–) 11.h4 Bd6 (11...h5 12.Nfe5 Ne5 13.Ne5 Qe7+–) 12.h5 Ne7 (12...Nf8 13.Nde5 Be5 14.Ne5+–) 13.h6 g6 14.Nfe5 (14.Nde5 Nd7 15.Nd3 f6+–) 14...Nd7 (14...0–0 15.Bg2+–) 15.Ng4 b6 (15...f6 16.c4+–) 16.e5 Ne5 (16...Bc7 17.c4 0–0 18.Bg2+–) 17.Nde5 Be5 18.Ne5 Nd5 (18...f6 19.Nf3 Qd6+–) 19.Nc6 Qd6 (19...Qc7 20.b5 0–0 21.Qf3 Re8 22.Be2+–) 20.Qe2 Be6 21.b5 (21.c4 0–0 22.Qe5 Qe5 23.Be5 Rfe8+–) 21...0–0 (21...Ne7 22.Bg2 0–0 23.a4 Nc6 24.Ba3+–) 22.c4 (22.Ba3 Qd7 23.Bf8 Rf8+–) 22...Nb4 (22...Rae8 23.Be5 Qa3 24.Bg2+–) 23.Be5 Qc5 (23...Qd7 24.Nb4 Rae8+–) 24.d4 (24.d4 Bg4 25.dc5 Nc6 26.Qg4 Ne5 27.Qf4+–) 1–0. marre – opponent, internet, 2009.

3.Nf3 b6 4.g3 Ng6 5.a3 Bb7 6.Bg2 Nc6 7.0–0 a6 8.c4 a5 9.b5 Nce7 10.h4 Nf5 11.d3 h5 12.e4 Nfe7 13.Nd4 Ng8 14.Nc2 Nf6 15.Ne3 Be7 16.Nd2 Bd6 17.f4 e5 18.fe5 (18.Nf5!?+–) 18...Be5+/– 19.d4 (better is 19.Be5!? Ne5 20.d4+/–) 19...Bg3= 20.e5 (20.Nf5!? Bh4 21.Ng7 Kf8 22.Nf5=) 20...Bg2 21.Kg2 Ng4 22.Ng4 hg4 23.Qg4 Bh4 24.Rf5 Be7 25.Rh1 Rh4 26.Qg3 Ra7 27.Rhf1 Rh6 28.Rf7 Nh4 29.Kg1 Rg6 30.Qg6?? (better is 30.Rg7 Rg3 31.Rg3+/–) 30...Ng6–/+ 31.Rg7 Nf8 32.Rg8? (32.Ne4 d5 33.ed6 cd6 34.Re1=) 32...Qa8 33.d5 Qb7 34.Ne4 Ra8 35.Ng5 a4? (better is 35...d6+/–) 36.Nh7+– Bc5 37.Kh2 Ke7 38.Nf8 Re8 39.Ng6 Kd8 40.Re8 Ke8 41.d6! (41.d6 Bd6 42.ed6 Qf3 43.Rf3 cd6 44.Rf8) 1–0. roy1nc6 (1820) – closeaccount (1880), gameknot.com, 2012.

3.Nf3 Nbc6 4.a3 d5 5.e3 a6 6.d4 f6 7.c4 dc4 8.Bc4 Ng6 9.0–0 Be7 10.Nbd2 0–0 11.Rc1 Na7 12.Qc2 c6 13.Bd3 Qe8 14.Ne4 Nb5 15.Nc5 Nd6 16.Ne4 Ne4 17.Be4 Qf7 18.Bg6 Qg6 19.Qg6 hg6 20.Nd2 Rd8 21.Ne4 a5 22.ba5 Ra5 23.Ra1 b5 24.Bc3 (24.Rfc1 Kf7 25.f3+= (worse is 25.Rc6 Bb7 26.Ng5 fg5–/+)) 24...Ra3–/+ 25.Ra3 Ba3 26.Ra1 Be7 27.Ra8 (27.Ba5 Rd5+=) 27...Bd7 (27...b4!? 28.Be1 e5–/+) 28.Rd8+= Bd8 29.Nc5 Bc8 30.Kf1 Bb6 31.Bb4 Kf7 32.f3 e5 33.Ke2 ed4 34.ed4 Be6 35.Ke3 Bc5 36.Bc5 Bd5 37.g3 Ke6 38.f4 Kf5 39.h3 g5 40.fg5 Kg5 41.Bf8 g6 42.Bd6 f5 43.h4 Kg4 44.Kd3 Be4 45.Kc3 g5 46.hg5 Kg5 47.Bf4 Kg4 48.Kb4 Kf3 49.Kc5 Ke2 50.Kb4 Kd3 51.Be5 Bd5 52.Bf6 Ke4 53.Be5 Be6 54.Bf6 f4 55.gf4 Kf4 56.Be5 Ke4 57.Bf6 Kd3 58.Be5 Bd5 59.Bf6 Bc4 60.Be5 Ke4 61.Bf6 Kd5 62.Be5?? (better is 62.Bg7–/+) 62...c5!–+ 63.dc5 Ke5 64.c6 Kd6 65.c7 Kc7 66.Kc5 (66.Kc3 Kc6 67.Kb4 Bd5–+) 66...Kb7 67.Kb4 Kb6 (67...Kb6 68.Kc3 Kc5 69.Kd2 b4 70.Kd1 b3 71.Kc1 Be6 72.Kd2 Kb4 73.Kd1 Bf5 74.Ke2 b2 75.Kf1 b1Q 76.Kf2 Qd3 77.Ke1 Bg4 78.Kf2 Qf3 79.Kg1 Bh3 80.Kh2 Qg2) 0–1. Fournier,Frederic (1605) – Rdl234, Partie evaluee, 3m + 1s, 2007.

3.Nf3 d6 (--> 2.Bb2 d6 3.Nf3 Ne7).

3.f4 Ng6 4.e3 Bb4 5.Bg7 Rg8 6.Bh6?? (6.Bb2 d5=) 6...d5 (better is 6...Qh4 7.g3 Qh6–+) 7.Bg5 Qd7 (7...f6!? 8.Bh6 e5+=) 8.Qh5= Rf8 9.Bd3 Nc6 10.Bg6 hg6+= 11.Qh7 Ne7 12.Bh6+= Rg8 13.Nf3 Qb5 14.Ng5 Kd7? 15.Qf7 Kc6 16.Ne6 Be6 17.Qe6 Bd6 18.Nc3 Qb2 19.0–0 Qc2 20.Nd5! Nd5 21.Rac1 Qc5 22.Rc5 Kc5 23.Rc1 (23.Rc1 Kb5 24.Qd5 Ka6 25.Qd3 b5 26.a4+–) 1–0. wood – KANIUKA, Live Game Caissa's Web, 2005.

3.g3 Ng6 4.Bg2 f6 5.a3 d5 6.e3 Be7 7.d3 Nd7 8.Nd2 0–0 9.Ne2 Bd6 10.0–0 b5? (10...a5 11.b5=) 11.c4 (11.Nd4!? Nb6 12.Nb5+/–) 11...c6+= 12.c5 Bc7 13.e4 e5?? (better is 13...Nde5=) 14.ed5+– cd5?? (14...Nc5 15.bc5 cd5+–) 15.Nc3 (better is 15.Bd5 Rf7 16.Qb3+–) 15...Bb7+/– 16.Nd5 Bd5? (better is 16...Bc6+/–) 17.Bd5+– Kh8 18.Ba8 Qa8 19.Ne4 (19.a4 Rb8 20.Qg4 Ndf8+–) 19...Qd8 20.Rc1 f5 21.Nc3 a6 22.Nd5 Bb8 23.h4 f4 24.h5 Ne7 25.Ne7 Qe7 26.Qg4 f3 27.c6 Nb6 28.Rfe1 Bc7 29.d4 Nd5 30.de5 Rf7 31.Rcd1 Nb6 32.e6 Rf6 33.Bf6 Qf6 34.e7 h6 35.e8Q Kh7 36.Qgg6 Qg6 37.hg6 1–0. baudrey – TARKUS, Live Game Caissa's Web, 2004.

3.b5 Ng6

4.d4 f6 5.c4 Bb4 6.Bc3 Bc3 7.Nc3 0–0 8.e4 Qe7 9.Bd3 Qb4 10.Qb3 Qb3 11.ab3 e5?? 12.d5?? d6= 13.b4 Nd7 14.Nge2 b6 15.0–0 h6 16.f4 ef4= 17.Nf4 Nf4 18.Rf4 Ne5 19.Be2 Bd7 20.Na4 g5 21.Rf2 f5 22.Raf1 f4 23.h3 Rf7 24.Bg4? Bg4–+ 25.hg4 Ng4 26.Rc2 Ne3 27.Rcc1 Nf1 28.Kf1 Re8 29.c5? Re4 30.cd6 cd6 31.Rc8 Kg7 32.Rc6 Rb4 33.Nc3 Rd7 34.Kf2 Rb3 35.Ne4 Rb5 36.Nd6 Rd5 37.Ne8 Kf8 38.Nf6 Rd2 39.Kf3 R7d3 40.Kg4 Rg2 41.Kf5 f3 42.Rc8 Ke7 43.Rc7 Kd8 44.Ra7 f2 45.Ra8 Kc7 46.Ne8 Kb7 47.Ra1 Rg1 48.Ke4 (48.Ke4 Ra1 49.Kf5 f1Q 50.Kg6 Re1 51.Nd6 Rd6 52.Kg7 Re7 53.Kg8 Rd8) 0–1. iczker – bj47, kurnik, 2011.

4.d4 f6 5.c4 Be7 6.Nc3 0–0 7.e4 d6 8.Bd3 Nd7 9.Nge2 e5 10.f4 ef4 11.0–0 c5 12.d5 Nde5 13.Nf4 Nf4 14.Rf4 Bd7 15.Rh4 g6?? 16.Ne2?? Rf7 17.Be5?? fe5–+ 18.Rh6 Kg7 19.Rh3 Bh3 20.gh3 Bg5 21.Ng3 Be3 22.Kh1 Qf8 23.Qg4 Rf2?? 24.Rf1?? Rf1 25.Nf1 Qf2 26.Ne3 Qe3 27.Qd7 Kh6 28.Bf1 Qe1 29.Kg1 Rf8 30.Kg2 Qf2 31.Kh1 Qf1 0–1. iczker – bj47, kurnik, 2011.

4.e3 b6 5.Qf3 d5 6.c4 Nd7 (6...a6 7.a4=) 7.cd5 Bb7 8.e4 Nc5 (better is 8...ed5 9.ed5 Qe7 10.Qe3 Bd5=) 9.Bd3?? (better is 9.d4 Nd7 10.de6 fe6 11.Nd2+/–) 9...Nd3 10.Qd3 e5?? (10...ed5 11.e5 d4–/+) 11.Be5?? (better is 11.Qg3+/–) 11...Ne5–+ 12.Qg3 Ng6 13.Nf3 Bd6 14.e5 Bc5 15.0–0 0–0 16.d4 Bb4 17.a3 Ba5 18.Nbd2 Bd5 19.a4 Qe7 20.Rfd1 Bc3 21.Ra3 Bb4 22.Re3 h6 23.Rb1 Ba5 24.Nb3 Bb3 25.Reb3 Qe6 26.h4 Ne7 27.Nh2 Nf5 28.Qg4 Rad8 29.Rf3? Rd4 30.Qf5–/+ Qf5 31.Rf5 Rh4 32.Rf3?? Re4 33.Nf1 Re5 34.Rc1 c5 35.bc6–/+ Rc5 36.Rc5 bc5 37.Rf5 Bb6 38.a5+= Ba5 39.Rc5 Bb6 40.Rc4 Rc8 41.Nd2 Rc7 42.Ne4+= f5 43.Nd6 f4 44.Nb5 Rf7 45.c7+/– Bc7 46.Nc7 a5 47.Ne6+– f3 48.g3 Re7 49.Rc8 Kh7?? 50.Nf4 Re1 51.Kh2 Ra1 52.Ra8 a4 53.Ra7 a3 54.Ne6 Kg6 55.Ng7 a2 56.Ne6+– Kf5 57.Nd4 Ke4?! 58.Nc2 Rf1+/– 59.Ra2 Rf2 60.Kg1 Rg2= 61.Kf1 Rg3 62.Ra4 Kd3 63.Ne1 Kc3 64.Ra3 Kd2 65.Nf3 Kc1 66.Rc3 Kb2 67.Re3 h5 68.Kf2 Rg4 69.Re2 Kc1 70.Nh2 Rf4 71.Kg3 Rf5 72.Re1 Kc2 73.Kh4 Rb5 74.Nf3 Ra5 75.Rg1 Kd3 76.Ne5 Re5= 77.Rd1 Kc2 78.Rg1 Kd2 79.Rg2 Kd1 80.Ra2 Kc1 81.Ra6 Kd1 82.Rd6 Ke1 83.Ra6 Kf2 84.Ra1 Kf3 85.Rf1 Kg2 86.Rf6 Ra5. pinecrest1981 – TARKUS, Live Game Caissa's Web, 2006.

3.c4 Ng6

4.a3 Nh4 5.Nf3 d6 6.Nh4 Qh4 7.e3 Nc6 8.d4 e5 9.de5 de5 10.Be2 Bf5 11.b5 Na5 12.Qa4 b6 13.Be5 Bd6?? 14.Bd6 cd6 15.0–0 0–0 16.Nd2 Be6 17.Rac1 Rac8 18.Qb4 Rc5 19.Nb3 Bc4?? 20.Nc5+– dc5 21.Qa4 Rd8 22.Bc4 Rd2 23.Bf7! Kf7 24.Qh4 h6 25.g3 Kg8 26.Rfd1 Rd1 27.Rd1 Kf7 28.Rd7 Kg6 29.Qg4 Kf6 30.Qg7 Ke6 31.Ra7 Kf5 32.Ra5! Ke4 33.Ra6 Kd3+– 34.Rb6 c4 35.Rc6 c3 36.Qh6 c2 37.Rc2! Kc2 38.Qd6 Kc3 39.b6 Kc4 40.b7 Kc3 41.b8Q Kc4 42.a4 Kc3 43.a5 Kc4 44.a6 Kc3 45.a7 Kc4 46.a8Q Kc3 47.Qdd8 Kc4 48.h4 Kc3 49.h5 Kc4 50.h6 Kc3 51.h7 Kc4 52.h8R Kc3 53.g4 Kc4 54.g5 Kc3 55.g6 Kc4 56.g7 Kc3 57.g8R Kc4 58.e4 Kc3 59.e5 Kc4 60.e6 Kc3 61.e7 Kc4 62.e8R Kc3 63.f4 Kc4 64.f5 Kc3 65.f6 Kc4 66.f7 Kc3 67.f8R Kc4 68.Qc6 1–0. ludice (1730) – pcc23, kurnik, 2011.

4.Qb3 e5 5.e3 a5 6.b5 a4 7.Qc2 a3 8.Bc3 d5 9.d4 e4 10.c5 Be7 11.Bb4 0–0 12.Ba3 f5 13.g3 b6 14.Bb4 c6 15.a4 cb5 16.Bb5 Ba6 17.Qe2 Bb5 18.Qb5 Na6 19.Nd2 Nb4 20.Qb4 bc5 21.dc5 Qa5?? 22.Qa5+/– Ra5 23.Nb3 Ra6 24.Ne2 Ne5 25.Nc3 Nd3 26.Ke2 Rd8 27.Nd4 g6?? 28.c6+– Bf6 29.Ncb5 Rc8+= 30.c7 Be5 31.Ne6?? Re6–+ 0–1. carocan (1715) – mrjb (2115), kurnik, 2011.

4.Qb3 f6 5.b5 Be7 6.e3 0–0 7.Nf3 c6 8.a4 cb5 9.ab5 a6 10.Be2 Kh8 11.0–0 e5 12.d4 e4 13.Nfd2 f5 14.Nc3 a5 15.b6 Nc6 16.Nd5 Bb4 17.Rfd1 d6 18.Ba3 Nge7? 19.Bb4 Nb4? 20.Nb4+– ab4 21.Ra8 Qb6 22.Rb1 Nc6 23.d5 Ne5 24.Qb4 Qc7 25.Nb3 f4 26.ef4 Rf4 27.Nd4 Rf7 28.Qb7! h6 29.Rc8 Kh7 30.Rc7 Rc7 31.Qc7 (31.Qc7 Kg6 32.Rb7 Nf3 33.Bf3 ef3 34.Qf7 Kg5 35.Nf3 Kg4 36.h3) 1–0. carocan (1745) – superos69, kurnik, 2011.

4.b5 f6 5.e3 d5 6.d4 dc4 7.Bc4 Bd6 8.Nf3 Qe7 9.0–0 Nd7 10.a4 Nb6 11.Bd3 Bd7 12.e4 c6 13.Nc3 e5 14.bc6 Bc6 15.d5 Bd7 16.a5 Nc8 17.Qb3 Bg4 18.Nd2 b6 19.Nb5 ba5 20.Nd6 Qd6 (20...Nd6 21.Ba3 Qd8 22.Bd6 Qd6 23.Bb5 Kd8 24.Ra5+/–) 21.Nc4 Qb8 22.Qa2 (22.Qc3 Nf4 23.Ba3 Nd3 24.Qd3 Qc7+/–) 22...Nf4+= 23.Qa3 (23.Qa4!? Bd7 24.Qc2+=) 23...Qb4= 24.f3 Bd7 25.Rfd1 (25.Rfb1 Qa3 26.Ra3 a4+=) 25...Qa3?? (better is 25...Nd3 26.Qd3 Nb6 27.Ne5 Qb2 (27...fe5?! 28.Be5 Qe7 29.Bb2+=) 28.Nd7 Nd7–/+) 26.Ba3+= Nd3 27.Rd3 Bb5 28.Rc3 a4 29.Rac1 Kf7 30.Ne3 Re8?? (better is 30...Rd8+=) 31.Rc7+– Kg6 32.Nf5 Rg8 33.Rc8! Rgc8 (33...Rac8 34.Ne7 Double attack (34.Ne7 Decoy); 33...Rgc8 34.Ne7 Double attack (34.Ne7 Decoy)) 34.Rc8 Rc8 35.Ne7 Kf7 36.Nc8 a6 (36...Bd3+–) 37.Nd6 Kg6 (37...Ke7 38.Nb5 Kd8+–) 38.Nb5 ab5 39.Kf2 (better is 39.d6 h6 40.d7+–) 39...Kf7 40.d6 (40.Ke2!? Ke8+–) 40...Ke8 41.Ke3 Kd7 42.Kd3 g6 43.Kc3 f5 44.Bc5 fe4 45.fe4 1–0. Peruhin,Anatoliy (1605) – Abdurahmanov,Afer (1680), Ulyanovsk RUS, Volga Open, 2014.

4.b5 f6 5.Nf3 Be7 6.e3 0–0 7.Be2 c5 8.0–0 d5 9.d4 e5 10.de5 fe5 11.Ne5 Ne5 12.Be5 Bf6 13.Bf6 Qf6 14.Nd2 d4 15.ed4 Qd4 16.Nf3 Qd1 17.Rfd1 Nd7 18.Rd6 Nf6 19.Rad1 b6 20.Ne5 Rb8 21.Nc6 Rb7 22.Bf3 Rc7 23.Rd8 g6 24.h3 Bb7 25.Rf8 Kf8 26.Rd8 Kg7 27.a4 Nh5? 28.Bh5+– gh5 29.Na7 Re7 30.Nc8 Re1 31.Kh2 Ba8 32.Nb6 Be4 33.a5 Re2 34.Kg3 Ra2 35.a6 Kf6 36.Nd7 (36.Nd7 Ke7 37.Nc5 Kd8 38.Ne4+–) 1–0. nizinna – bj47, kurnik, 2011.

4.e3 Qh4 5.Nf3 Qe4 6.Nc3 Qf5 7.a3 a5 8.b5 b6 9.Be2 Bb7 10.d4 Qf6 11.Qc2 d6 12.0–0 Nd7 13.Rfd1 Qd8 14.Rd2 Nf6 15.Rad1 Be7 16.c5 0–0 17.c6 Bc8 18.e4 h6 19.e5 Nh7 20.g3 Ng5 21.Ng5 Bg5 22.f4 Be7 23.Bd3 Qe8 24.h4 Bd8 25.ed6 cd6 26.h5 Ne7 27.d5 Bc7 28.Re2 e5 29.fe5 Bg4 30.ed6 Bd6 31.Ne4 Bc5? (better is 31...Qd8 32.Nd6 Qd6+–) 32.Nc5 bc5 33.Rde1 (better is 33.d6 Be2 34.Qe2 Nd5+–) 33...Be2 34.Re2 (34.Be2?! Nd5 35.Qc5 Qe6+=) 34...Qd8 35.Qc5 (35.Qc3 f6 36.Qc5 Nc8+–) 35...Qd5 36.Qc3 Qg5 37.Re7 Qg3 38.Kf1 Qf3 39.Ke1 Qh1 40.Kd2 Qg2 41.Re2 Qg5 42.Kc2 f6 43.Qc4 Kh8 44.Qe4 Qc5 45.Kb1 f5 46.Qe7 Qg1 47.Ka2 a4 48.Re6 Kh7 49.Rg6 (49.Rg6 Qd4 50.Bd4 Rf7 51.Rg7 Kh8 52.Rh7 Kh7 53.Qf7) 1–0. combijack (1790) – tarmidi (1760), gameknot.com, 2011.

3.e3 Ng6

4.a3 f6 5.Nf3 Be7 6.Be2 d6 7.0–0 0–0 8.c4 c6 9.d4 Nd7 10.Nbd2 e5 11.de5 de5 12.Qc2 Qc7 13.c5 Nb8 14.h3 f5 15.Bc4 Kh8 16.Rad1 Bf6 17.Rfe1 e4 18.Bf6 Rf6 19.Nd4 Rf8 20.Ne6 Be6 21.Be6 Qe5 22.Bb3 Na6 23.Nc4 Qf6 24.Rd7 Rab8 25.Red1 h6 26.Nd6 Ne5 27.Rb7 Rb7 28.Nb7 Qg5 29.Qc3 Nf3 30.Kh1 Nh4 31.g3 Nf3 32.Rd7 Kh7 33.Bd1 Qh5?? 34.Kg2 Qg5? 35.Bf3 ef3 36.Kf3 Rg8 37.Qd3 Nb8 38.Rf7 Qh5–/+ 39.Kg2 Qf7 40.Nd6 Qe6 41.Kh2? Qd5 42.Qc2 g6 43.e4 fe4 44.Ne4 Qf7 45.f4 Nd7 46.Nd6 Qd5 0–1. ejdrzej (1660) – bj47, kurnik, 2011.

4.b5 d6 5.Nf3 e5 6.Be2 Be7 7.0–0 0–0 8.c4 Be6 9.a4 b6 10.d3 Nd7 11.Ng5?? Bg5–+ 0–1. elsh1403 – zetka, kurnik, 2011.

4.b5 f6 5.Be2 Be7 6.Bh5 0–0 7.Bg6 hg6 8.Nf3 Kf7 9.a4 Rh8 10.h3 d6 11.Nc3 c6 12.Qe2 Bd7 13.Ne4 d5 14.Nc3 c5 15.d3 Be8 16.Rd1 Nd7 17.d4 Qa5 18.dc5 Nc5–/+ 19.Nd4 e5 20.Nf3?? d4?? 21.ed4+/– ed4 22.Nd4 Bd7?? 23.0–0 Rae8? 24.Qc4 Be6?? 25.Ne6 Ne6 26.Rfe1 Bb4 27.Rd7 Kf8 28.Re6 Be7 29.Nd5 Bd8 30.Ba3 Be7 31.Rde7 Re7 32.Re7 Qd8 33.Rd7 Ke8 34.Rd8 Kd8 35.Qc7 Ke8 36.Qe7 1–0. j1a9n55 – bj47, kurnik, 2011.

4.b5 f6 5.Nf3 Be7 6.Be2 0–0 7.0–0 d5 8.c4 c6 9.a4 Nd7 10.Nd4 Nde5 11.f4 Nc4 12.Bc3 c5 13.Bc4? cd4–+ 14.Bd4 dc4 15.Qc2 Qc7 16.Na3 Ba3 17.Ra3 e5 18.Bb2 ef4 19.ef4 Qc5 20.Kh1 Bf5 21.d3 Rac8 22.Qd2 cd3 23.Rc1 Qd5 24.Rac3 Rc3 25.Bc3 Rd8 26.Re1 h6 27.h3 Qc4 28.Rc1 Qf4 29.Qb2 d2 30.Rd1 Be4 31.Bd2 Qg3 32.Qa2 Kh7 33.Rg1 Qh3 0–1. elsh1403 – bj47, kurnik, 2011.

4.b5 Nh4 5.Nf3 d6 6.Be2 Ng2–/+ 7.Kf1 Nh4 8.Rg1 Ng6 9.h4 e5 10.h5 Ne7 11.Bc4 Be6 12.Qe2 Nd7 13.Ng5 Nd5 14.Ne6 fe6 15.Nc3 N7f6 16.e4 Nf4 17.Qf3 Qd7 18.Ne2 N4h5 19.Qh3 Nf4?? 20.Nf4= ef4 21.Qe6 Qe6 22.Be6 Ne4 23.d3 Nf6 24.Re1 Nd7 25.Bg7 Bg7 26.Rg7 Nc5? 27.Bd5 Kf8 28.Ree7 c6 29.Rgf7 Kg8 30.Rf4 cd5= 31.Rff7 h6 32.d4 Ne4 33.Rb7 a6 34.f3 Nd2 35.Ke2 Nc4 36.Rg7 Kf8 37.Rgf7 Ke8 38.Rfe7 Kd8 39.ba6 Rc8?? 40.a7 Nb6+– 41.a8Q?? Ra8–/+ 42.Rb6?? Kc8 43.Rd6 Rb8? 44.Rf6 Rb7 45.Rff7 (45.Rff7 Rb2 46.Ra7+–) 1–0. elsh1403 – pcc22, kurnik, 2011.

4.Be2 Nc6 5.a3 Qg5 6.Bf3 Nce5 7.Be5 Ne5 8.d4 Nf3 9.Qf3 Bd6 10.Nh3 Qg6 11.0–0 0–0 12.c3 Rb8 13.Nd2 b6 14.Nf4 Qf6 15.Ne4 Qe7 16.Nd6 cd6 17.Qg3 e5 18.Ne2 Bb7 19.h3 Be4 20.de5 de5 21.Qg4 Bg6 22.Ng3 Qe6 23.Qg5 h6 24.Qh4 Rfe8 25.b5 Qe7 26.Qc4 Qe6 27.Qc7 Ra8 28.a4 Rec8 29.Qb7 Qc4 30.Rfc1 d5 31.Qe7 Re8 32.Qd6 Rad8 33.Qc6 Qc6 34.bc6 Rc8 35.c4 Rc6?? 36.cd5= Rc1 37.Rc1 Rd8 38.e4 a6 39.Rc6 b5 40.Ra6 Rb8 41.ab5 Rb5 42.f3 Rb1 43.Kf2 Rd1 44.Ne2 h5 45.Nc3 Rd2 46.Ke3 Rd4 47.g4 hg4 48.hg4 Kh7 49.Nb5 Rd1? 50.d6 f6 51.Nc7 Kh6? 52.Ne6 Bf7 53.Nf8 g6?? 54.Ra7 Bc4 55.d7 Rd3 56.Kf2 Rd2 57.Kg3 Rd3 58.Ra8 Kg5 59.d8Q Rd8 60.Rd8 f5 61.ef5 gf5 62.gf5 Kf5 63.Nd7 Be6 64.Nc5 Bc4 65.Ne4 Be2 66.Rf8 Ke6 67.Rg8 Bd3 68.Rg7 Bc2 69.Rg6 Kf5 70.Rg5 Ke6+– 71.Rg6 Kf5 72.Rg5 Ke6= 73.Rg6 ½–½. wojtekkk (1620) – esterx, kurnik, 2011.

4.Nf3 Nc6 5.b5 Nb4? 6.c4+– d5? (better is 6...e5 7.a3 e4 8.ab4 ef3 9.Qf3 f6+–) 7.a3 dc4 (7...Nc6 8.bc6 bc6 9.Nc3+–) 8.ab4 Bb4 9.Bg7 Rg8 10.Bc3 Bc3 11.Nc3 (worse is 11.dc3 Qd1 12.Kd1 Ne7+–) 11...Bd7 12.Bc4 Qf6 13.Ne4 Qf5 (13...Qe7 14.g4+–) 14.d3 0–0–0 (14...h5 15.Nd4 Qe5+–) 15.Ra7 c6 16.Qa1 cb5 (16...Be8 17.Qa5 Rf8 18.Ra8 Kd7 19.Qd8) 17.Ra8 Kc7 18.Qa5 b6 19.Qa7 Kc6 20.Nd4 1–0. Fritz11 – jumbo, casual, 2013.

4.Nf3 f6 5.a3 c5 6.bc5 Bc5 7.d4 Be7 8.Bd3 a6 9.c4 b6 10.0–0 Bb7 11.Nbd2 d5 12.Qb3 0–0 13.cd5 Bd5 14.Bc4 b5 15.Bd5 Qd5 16.Qd5 ed5 17.Rac1 Nd7 18.Nb3 (18.h4!?=) 18...Nb6+= 19.Nc5 Nc4 20.Rc2 Rfc8 21.Rfc1 Rc6 22.Nd3 Rac8 Attacks the isolani on a3 23.h3 Bd6 24.g3 Ne7 25.Nd2 (25.Ra1 Kf7–/+) 25...R6c7 (25...Nb2!? 26.Rc6 Nc6 27.Nb2 Ba3 28.Rc2–+) 26.Nc4 bc4 27.Nb4 Bb4 (27...a5!? 28.Na2 Rb7–/+) 28.ab4+= Rb7 29.Bc3 Nc6 30.Rb1 Rcb8 31.Rcb2 Rb5 32.Kg2 Kf7 33.f4 Ke6 34.Kf3 g6 35.g4 Ne7 (35...f5!?–/+) 36.Ra1+= R8b6 37.Rba2 Nc6 38.Ra6 Nb4? (better is 38...h6+=) 39.Rb6+– Rb6 40.Bb4?? (better is 40.Rb1+–) 40...Rb4+= 41.Ra6 Kf7 42.Ra7 Kg8 43.Ra8 (43.Ra5!?+/–) 43...Kf7= 44.Ra7 Ke6 45.Ra6 Kf7 46.Ra7 ½–½. Fournier,Frederic (1990) – JAGGER (1725), ChessOK.com, 2013.

4.Nf3 f6 5.a3 Be7 6.Be2 0–0 7.0–0 d6 8.c4 c6 9.d4 Nd7 10.Qc2 e5 11.Nbd2 f5 12.de5 de5 13.c5 e4 14.Nd4 Nde5 15.Nc4 Nc4 16.Bc4 Kh8 17.h3 Bf6 18.Rad1 Qe7 19.Ne2 Bb2 20.Qb2 Qg5 21.g3 Qh6 22.Kh2 f4 23.h4 f3 24.Nf4 Nf4 25.ef4 Qh5 26.Rfe1 Bf5 27.Bf1 h6 28.Rd6 Rae8 29.Re3 Re7 30.a4 Rff7 31.b5 cb5 32.ab5 Kh7 33.c6 bc6 34.bc6 Rc7 35.Qd4 Rfe7 36.Rc3 Qf7 37.Rc5 g6 38.Rcd5 g5?? 39.fg5 hg5 40.Rf5 Qf5+= 41.Bh3 Qe5 42.Qe3?? Qd6–+ 43.Qg5 Qg6 (43...Qg6 44.Bf5 Qf5 45.Qf5 Kg7 46.Qg5 Kf7 47.Qf4 Kg8+/–) 0–1. ejdrzej – bj47, kurnik, 2011.

4.Nf3 Nh4 5.Nh4 Qh4 6.a3 d6 7.Be2 h6 8.0–0 e5 9.c4 Nc6 10.Nc3 Be6 11.Nd5 Qd8 12.f4 Be7 13.fe5 de5 14.b5 Nb8 15.Bf3 Nd7 16.d4 ed4 17.ed4 0–0 18.c5 Bd5 19.Bd5 Nf6? 20.Bc4?? Rb8 21.Qb3 c6 22.Rad1 Nd5 23.Rf3 Bf6 24.Rg3 Qc7 25.Bc1 Bd4?? 26.Kh1 Be5= 27.Rg4 f5 28.Rh4 f4 29.Bd5 cd5 30.Qd5 Kh8 31.Re1 Bf6 32.Qf5?? Bh4–+ 33.Qg4 Bg5 34.h4 Bf6 35.Bf4 Qc5 36.Bg3 Rbe8 37.Rf1 Be5 38.Qg6 Rf1 39.Kh2 Bg3 40.Qg3 Qe5 41.Qe5–+ Re5 42.Kg3 Re3 43.Kg4 Ra3 44.g3 Re3 45.Kh3 Rff3 (45...Rff3 46.Kg2 Rg3 47.Kf1 Ra3 48.b6 Ra1 49.Ke2 Ra2 50.Kf1 Rc3 51.ba7 Rc1; 45...h5 46.Kg2 Rb1 47.Kf2 Ra3 48.Kg2 Rb2 49.Kh3 Ra1 50.g4 Ra3) 0–1. elsh1403 – pcc23, kurnik, 2011.

4.f4 Nh4 5.Nf3 d6 6.Be2 Ng2–/+ 7.Kf2 Nh4 8.Rg1 Nc6 9.Bg7?? Bg7–+ 10.Rg7 Ng6 11.Ng5? Rf8 12.Rh7= e5 13.b5 Nce7 14.Bc4 Be6?? 15.Be6+– fe6 16.Ne6 Qd7 17.Nf8 Nf8 18.Qh5 Nfg6 19.Rh8 Kf7 20.Ra8 Nc8 21.Nc3 Kf6 22.Rg1 Nge7 23.Ne4 Ke6+– 24.c4 Qd8 25.Qg4 Nf5 26.Ng3 Qf6 27.Nf5 Ne7 28.Re8 Kd7 29.Re7 Kd8 30.Qg8 Qf8 31.Qf8 1–0. elsh1403 (1655) – pcc23, kurnik, 2011.

3.e4 Ng6=

4.a3 d5!? 5.Nc3 Be7 =.

4.a3 d5 5.ed5 ed5 6.Qe2 Qe7 7.Qe7 Ne7 =.

4.a3 Nh4 5.g3+/– Ng6 6.Nf3 h5 (6...Nc6 7.Be2+/–) 7.h4 Nc6 8.Bg2 d6 9.0–0 Bd7 (9...a5 10.b5 Nce5 11.a4+/–) 10.Nc3 (10.d4 Be7+/–) 10...Qe7 (10...Be7 11.d4+=) 11.d4+/– 0–0–0 (11...Qd8 12.Bc1+/–) 12.b5 Nb8 (better is 12...Na5!?+/–) 13.a4 f5? (13...Qe8+–) 14.ef5 ef5 15.Nd5 Qf7 (15...Qe8 16.Re1 Ne7 17.Ng5+–) 16.Ng5 Qg8 17.Re1 f4 (17...c6 18.b6 a6 19.c4+–) 18.Qd2 fg3 (18...c6 19.Qa5 cd5+–) 19.Qa5 (19.Qa5 gf2 20.Kf2+–) 1–0. miec – hitechse, internet, 2009.

4.b5 f6 5.c4 Be7 6.d4 0–0 7.Nc3 d6 8.Nf3 c6 9.a4 a6 10.Bd3 d5 11.c5 de4 12.Ne4 f5 13.Ng3 Nd7 14.b6 Nf6 15.0–0 Nd5 16.Bc4 Bf6 17.Bd5 ed5 18.Ne5 f4 19.Ng6+= hg6 20.Ne2 g5 21.Qd3 Qe8 22.Rfe1 Qf7 23.g3 f3 24.Nc1 g4 25.Nb3 Bg5 26.Bc1 Bc1 27.Nc1 Bf5 28.Qd2 Qh5 29.Ne2?? Qh3?? 30.Nf4+= Qh6 31.Qe3 Rae8 32.Qe8+/– Re8 33.Re8 Kf7 34.Rae1 Be4?? 35.Re5 g5 36.R1e4?? de4–+ 37.Rf5 Ke7 38.Re5 Kd7 39.Ne6 Qh3 40.Nf8 Kd8 41.Ne6 Kc8 42.Nf4 gf4 43.Re8 Kd7 (43...Kd7 44.Re7 Ke7 45.gf4 Qg2) 0–1. iczker – bj47, kurnik, 2011.

4.c4 d5 5.ed5 ed5 6.Qe2 Be6 7.cd5 Qd5 8.Nc3 =+.

4.c4 f6 5.c5 b6 6.cb6 ab6 (worse is 6...Bb4 7.Qb3 Nc6 8.Bb5+=) 7.Ba3 (7.a3!?=) 7...Bb7–/+ 8.d3?? (8.Qc2 Na6–/+) 8...Be7 (8...Ra3!? 9.Na3 Bb4 10.Ke2 Ba3 11.Qa4–+) 9.Nf3? (9.Qb3 0–0–/+) 9...0–0?? (9...Ra3 10.Na3 Bb4 11.Nd2 Ba3 12.Be2–+) 10.Be2? (10.Qb3 f5 11.Nbd2 Nc6–/+) 10...Nf4?? 11.0–0 Ne2 12.Qe2–/+ Nc6 13.b5 Ba3–/+ 14.Na3 Ra3 15.bc6 Bc6 16.Nd4 Bb7 17.Nc2 Ra5 18.d4? Ba6–+ 19.Qg4 Bf1 20.Kf1 Rg5 21.Qh3 Qb8 22.Ne3 Qb7 23.Ng4 Qe4 24.f3 Qd4 25.Re1 Qc4 26.Kg1 Qa2 27.Qg3 Qc2 28.h4 Rg6 29.h5 Qc5 30.Kh1 Qh5 31.Kg1 Qc5 32.Re3 Qc1 33.Re1 Qc5 34.Kf1?? e5 35.Qh3 Qb5 36.Kg1 d5 37.Nf2 Qc6 38.g4 Rh6 39.Qg2 Qc3 40.Rf1 Rg6 41.Nd1 Qc5 42.Rf2 f5 0–1. pinecrest1981 – TARKUS, Caissa's Web, 2004.

3.Nf3 Ng6

4.a3 d6 5.e3 c6 6.c4 Nd7 7.d4 Nf6 8.Bd3 Be7 9.Nbd2 b6 10.0–0 Qc7 11.Rc1 Qd7 12.Qc2 Bb7 13.Ne4 Rc8 14.Nf6 Bf6 15.Qb3 Qe7 16.Rfd1 Nh4 17.Nh4 Bh4 18.g3 Bf6 19.d5 (19.c5 0–0+=) 19...e5 (19...cd5 20.Bf6 Qf6 21.Qa4 Bc6 22.Qa6+= (worse is 22.Qa7 dc4 23.Qa6 0–0 24.Qc4 Qf3–/+)) 20.dc6 Bc6 21.Qc2 Bf3 22.Rd2 Qb7 23.e4?? (23.Qa4 Ke7 24.Qb3+=) 23...Bh5?? (better is 23...Bg5–/+) 24.Be2 (24.Qa4!? Ke7 25.c5 bc5 26.Ba6+/–) 24...Bg6 25.f3 Bg5 26.Rd6 Bc1 27.Qc1 Qc7 28.Be5+– Qe7 29.Rd5 f6 30.Bd6 Qe6 31.c5+– Be4 32.fe4 Qe4 33.Qd2 Qb1 34.Kf2 Qe4 35.Bf3 Qe6 36.Rd3 Kf7 37.Bd5 Qd5 38.Rd5 Rhe8 39.Rd3 bc5 40.bc5 Re6 41.Re3 Rce8 42.Re6 Re6 43.Qd5 g6 44.c6 f5 45.c7 Kf6 46.Qe6! Ke6 47.c8Q Kd6 48.Ke3 Ke5 49.Qc3 Ke6 50.Kf4 h6 51.Qc6 Kf7 52.Ke5 g5 53.Qh6 f4 54.gf4 gf4 55.Qf4 Ke7 56.Qf6 Kd7 57.Kd5 Kc7 58.Kc5 Kb7 59.Kb5 a6 60.Qa6 Kc7 61.h3 Kd7+– 62.h4 Ke7 63.h5 Kf7 64.Qg6 Kf8 65.h6 Ke7 66.h7 Kd7 67.h8Q Ke7 68.Qhh7 Kf8 69.Qgg8 (69.Qhf7) 1–0. Fournier,Frederic (1610) – norating, Active, 2006.

4.a3 f6 5.e3 Be7 6.h4 0–0 7.h5 Ne5 (7...Nh8 8.h6 g6 9.c4=) 8.Ne5+= fe5 9.h6 g6 10.Be5 d6 11.Bg7 Rf7 12.Nc3 c6 13.b5 e5 14.d4 Nd7 (14...Qa5!? 15.Qd2 ed4 16.Bd4 d5+/–) 15.de5+– Ne5 16.Be5 de5 17.Qd8 Bd8 18.Bc4 cb5 19.Nb5 Kf8 20.Bf7 Kf7 21.e4 Be6 22.Nd6 Kg8 (22...Ke7 23.Nb7 Bb6 24.c4+–) 23.Nb7 Bb6 24.a4 Rb8 25.Nd6 Ba5 (25...Rd8 26.Rd1+–) 26.Ke2 Rf8 (26...Bc7 27.Rhd1+–) 27.Rhd1 Bb6 28.f3 Bd4 29.Rab1 Ba2 (29...Rd8 30.Nb5 Ba2 31.Rbc1+–) 30.Rb7 a6 31.Rg7 Kh8 32.c4 a5 (32...Rf6 33.Rc7 Kg8+–) 33.Kd3 Bb3 (33...Bc5 34.Nf7 Rf7 35.Rf7 Kg8 36.Rg7 Kf8 37.Rh7 Kg8+–) 34.Rb1 Ba4 35.Nf7 Rf7 36.Rb8 Rf8 (36...Be8 37.Re8 Rf8 38.Rf8) 37.Rf8 1–0. Trkn – guest1751, ICC, 2004.

4.e3 d6 5.c4 Nc6 6.a3 e5 7.d3 Bg4 8.Be2 Bf3 (8...Qd7!?=) 9.Bf3+/– (9.gf3?! Qg5=) 9...Nh4 10.Bd5 Rb8 11.Nd2 (11.Qa4!?+/–) 11...Ne7+= 12.g3 Nhg6 13.Bg2 d5 14.cd5 Nd5 15.Qb3 c6 16.0–0 Bd6 17.Nc4 0–0 18.Nd6 Qd6 19.Rfd1 Qf6 20.Bd5 cd5 21.Qd5 h5 22.d4 ed4 (22...Rfe8+–) 23.Bd4 (23.Qd4?! Qd4 24.Bd4 b6+–; 23.ed4?! h4+/–) 23...Qf5?? (23...Qa6+–) 24.Qf5 1–0. Fournier,Frederic – tv2, Active, 2004.

2.Bb2 f5

(--> 1.b4 f5 2.Bb2 e6).

3.b5 d5 4.e3 Nf6 5.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3).

3.c4 b6 4.e3 Nf6 5.b5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3).

3.Nf3 b6 4.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 f5).

3.a3 Nf6

4.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3).

4.e3 Be7 5.Nf3 0–0 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0).

3.b5 Nf6

4.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5).

4.e3 c6 5.a4 d5 6.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

3.c4 Nf6

(--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6).

4.a3 Be7 5.e3 0–0 6.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.a3 Be7 5.Nf3 0–0 6.e3).

4.b5 b6 5.Nf3 Bb7 6.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

4.b5 c6 5.a4 d5 6.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

4.b5 Be7 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4).

4.b5 Be7 5.e3 0–0 6.Nf3 d6 7.d4 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.Nf3 d6 7.d4).

4.b5 Be7 5.e3 d5 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 d5 5.e3 Be7).

3.e3 Nf6

(--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6).

4.a3 Be7 5.Nf3 0–0 6.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.a3 Be7 5.Nf3 0–0 6.e3).

4.b5 d5 5.Nf3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.Nf3 Nf6 5.b5).

4.b5 Be7 5.a4 0–0 6.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.a4).

4.Nf3 Be7 5.a3 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3).

3.Nf3 Nf6

(--> 1.b4 f5 2.Bb2 Nf6 3.Nf3 e6).

4.a3 Be7 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3 Be7 5.Nf3).

4.b5 Be7 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3).

4.b5 Be7 5.e3 0–0 6.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.Nf3).

4.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.Nf3).

2.Bb2 f6

3.a3 Be7 4.c4 Nh6 5.e3 0–0 6.d4 f5 7.Nf3 Bf6 8.Bd3 d6 9.Nbd2 Nd7 10.0–0 c6 11.e4 a6 12.e5 (better is 12.Qe2!?+/–) 12...de5= 13.de5 Bg5? (13...Ne5!? 14.Be5 Qd3=) 14.Qc2 Bd2 15.Qd2 b5 16.c5 a5 17.Rfd1 Bb7? (17...Qc7 18.Ng5 Nb8 19.Be2+/–) 18.Bc3 (better is 18.Bc2!? Bc8 19.Qd6 Qe8 20.Qc6 Ra7+–) 18...ab4 19.ab4 Ra1 20.Ra1 Rf7 21.Ra7 Bc8 22.Nd4 Nf8?? 23.Rf7 Nf7 24.Nc6 Qd5?? 25.Bb5 Kh8 26.Qd5 ed5 27.Ne7 Be6 28.c6 Ng5 29.c7 Ne4 30.Bb2 h6 31.c8Q Bc8 32.Nc8 Ng6 33.Nb6 Nf4 34.g3 Ne6 35.Nd5 Nd2 36.Bd7 Nd8 37.Bf5 Nc4 38.Bc3 Kg8 39.e6 Kf8 40.e7 Ke8 41.ed8Q Kd8 42.Be6 Nd6 43.Be5 Nb5 44.Nc7! g5 45.Nb5 h5 46.Nd4 (46.Nd4 Ke8 47.b5 Ke7 48.b6 g4 49.b7 h4 50.b8Q hg3 51.Qd6 Ke8 52.Qd7 Kf8 53.Bd6; 46.Bf6 Ke8 47.Nd6 Kf8 48.b5 h4 49.b6 hg3 50.b7 gh2 51.Kh2 g4 52.b8Q) 1–0. Fournier,Frederic – efrayrey(C), Active, 2007.

3.a3 g6 4.c4 Bg7 5.Nc3 Qe7 6.Nf3 f5 7.g3 b6 8.Bg2 Bb7 9.0–0 h5 (9...Nf6 10.d4+=) 10.d4+/– h4 11.Nh4 Rh4?? (better is 11...Bg2 12.Kg2 Qf7+/–) 12.Bb7+– (12.gh4?! Bg2 13.Kg2 Qh4+–) 12...Rh7 (12...Rd4 13.Qb3+– (13.Ba8?! Rd1 14.Rfd1 a6+/–)) 13.Ba8 c6 14.Qa4 d5 (14...a6 15.d5 cd5 16.cd5+–) 15.cd5 ed5 16.b5 (better is 16.Bc6 Nc6 17.Qc6 Kf7 18.Nd5 Qe4+–) 16...Bd4 (16...cb5 17.Qb5 Qd7 18.Qd7 Kd7 19.Nd5+–) 17.bc6 Bc3 (17...Qc5 18.c7 Nd7 19.Nd5 Bb2+–) 18.c7 Kf7 19.Bd5 Kf8 20.cb8Q Qe8 (20...Kg7 21.Bc3 Kh6 22.Qf8 Rg7 23.Qg7 Kh5 24.Bf3 Kg5 25.Qh4) 21.Qae8 Kg7 22.Qf8 Kh8 23.Qg8 1–0. usingprogram – kaniball, internet, 2011.

3.b5 a5 4.e3 c6 (4...d5 5.d4=) 5.Bd3 (5.c4 d5+=) 5...Qb6 (better is 5...Nh6=) 6.Qh5 Ke7 (6...Kd8 7.Qf7 Ne7 8.Nc3+/–) 7.Bd4 Qc7 8.Ne2 e5 9.Bb2 Qb6 10.Nbc3 cb5?? (10...d6+–) 11.Nd5 Kd6 12.Nb6 Ra6 13.Qe8 Rb6 14.Qf8 (14.Qf8 Kc7 15.Nc3+–) 1–0. orane (1970) – Flip4, Live Game Caissa's Web, 2004.

3.b5 Bb4 4.a3 Bc5 5.e3 Bd6 6.Nf3 (6.Bd3 g6+= 7.Nf3 Bc5 8.Be2 d5 9.d4 Be7 10.c4 a6) 6...Ne7 (6...Be7 7.Bd3+= (7.e4 d5 8.Bd3 a6 9.ed5 ed5 10.Nd4 ab5) 7...d5 8.Ng5 fg5 9.Bg7 Bf6 10.Qh5 Kd7) 7.Bd3 (7.Nc3 Bc5 8.d4 Bb6 9.Bd3 a6 10.a4 Ba5) 7...Rf8 (7...a6 8.Nc3+= 0–0 9.Ne4 b6 10.Nd6 cd6) 8.0–0 (better is 8.Bh7 Rh8 9.Be4+/– Bc5 10.d4 d5) 8...Be5? (8...Ng6!?+/– 9.Nd4 c5 10.bc6 dc6; 8...Bc5 9.c4 d5 10.cd5 Qd5) 9.Be5 (better is 9.Ne5!? fe5 10.Qh5 Rf7 11.Qh7 d6+–) 9...fe5 10.Ne5 d6 11.Nc4 (11.Nf3+/–) 11...g5 (11...g6!?+/–) 12.Bh7 (12.Qh5 Rf7+–) 12...Qd7 (12...Rf7 13.Be4+–) 13.Nc3 (better is 13.Qh5 Rf7 14.Nc3+–) 13...d5? (13...Kd8+–) 14.Ne5 Qd6 15.Ng6 (better is 15.Qh5 Kd8 16.Nf7 Rf7 17.Qf7+–) 15...Ng6 16.Bg6 Ke7 (16...Kd8 17.Qh5 Qe7 18.f4 gf4 19.Rf4+–) 17.Bd3 (better is 17.Qh5!? a6+–) 17...Rh8 18.g3 e5 19.e4 Bh3? 20.Re1 d4+/– 21.Nd5 Kd7 22.b6 c6?? 23.Nb4 ab6+= 24.c3 dc3 25.dc3 Rf8 26.Qc2 c5? 27.Nd5 Ra6? 28.Ba6 ba6 29.Red1 b5 30.Nb6 Ke7 31.Rd6 Kd6 32.Qd3 Kc7 33.Nd5 Kb7 34.Ne3 Be6 35.Qd6 (35.Qd6 Re8 36.a4+–) 1–0. BorisOwl – NN, gamecolony.com, 2000.

3.b5 c5 4.Nf3 Ne7 5.d4 Ng6 (5...cd4 6.Qd4 d5 7.e3=) 6.e4 cd4 7.Nd4 (7.Bd4 Bb4 8.c3 Be7+=) 7...Bb4 8.Nd2 Bd2 9.Qd2 a6 (9...d5 10.ed5 Qd5 11.Qc3=) 10.Bd3 e5 11.Nf5 0–0 (better is 11...d5!? 12.ba6 Na6 13.Ng7 Kf7+=) 12.Ba3+– Re8 13.g3 (better is 13.Bc4!? Kh8 14.Nd6+–) 13...ab5 14.Bb4 (better is 14.Bd6+/–) 14...d5+= 15.Bb5 Nc6 (worse is 15...de4 16.Bc4 Kh8 17.Nd6+–) 16.ed5 Nb4 (worse is 16...Bf5 17.dc6 Qb6 18.Qd5 Re6 19.Qc5+/– (worse is 19.cb7 Rd8 20.Bd7 Qb4 21.Ke2 Rd7–/+)) 17.Be8? (17.Ne3 Na6 (worse is 17...Ra2 18.Ra2 Na2 19.Be8 Qe8 20.Qa5+/–) 18.Be8 Qe8–/+) 17...Qe8?? (better is 17...Bf5!? 18.Qb4 Qd5–+) 18.Qb4 (18.Nh6!? gh6 19.Qb4+=) 18...Bf5–/+ 19.0–0 Bc2 20.Qb7 Bd3 21.Rfd1 Ba6 22.Qc6+= Qd8 23.Qe6 Kf8 24.d6 Bc8 25.Qd5 Bd7 26.Rac1 Ra5 27.Rc5 Rc5 28.Qc5 e4 29.h4 Ne5–/+ 30.f4 ef3–+ 31.Kf2 Ba4 (31...Ba4 32.d7 Kf7 33.Qd5 Ke7 34.Qd6 Kf7 35.Qd5 Kf8 36.Qc5 Kf7 37.Qd5=) 0–1. GorillaTest – PlymouthHouse, Live Game Caissa's Web, 2004.

3.b5 d6 4.e4 Bd7 5.Nf3 a6 6.c4 ab5 7.cb5 e5 (7...d5!? 8.ed5 ed5=) 8.Bc4+= Nh6 9.h3 Be7 10.0–0 (10.d4 c6+=) 10...Nf7 (10...f5 11.d4 fe4 12.Nh2=) 11.Bf7 (11.d4 0–0+=) 11...Kf7 12.Nc3 c6 13.a4 Be6 14.d4 Qb6 (14...Bc4!?=) 15.d5+/– cd5 16.Nd5 Bd5 (16...Qa5!?+/–) 17.Qd5+– (17.ed5?! Nd7+=) 17...Kf8 18.Rfc1 Nd7 19.Rc2 Nc5 20.Rc4 g6 21.Bc3 Bd8 (21...Kg7 22.Bd2+/–) 22.a5 (better is 22.Bd2+–) 22...Rg8?? (better is 22...Qb5 23.Bb4 Be7+=) 23.ab6+– Ra1 24.Ba1 Bb6 25.Qd6 (25.Qd6 Kg7 26.Qb6+–) 1–0. gtate (2015) – bar (1915), net–chess.com, 2005.

3.b5 f5 4.e3 Nf6 5.Nf3 Ne4 (5...d5 6.Be2=) 6.d3 (6.Be2 Be7+=) 6...Nc5 (6...Nf6 7.Be2+=) 7.c4 b6 (7...a6 8.Ne5 Qg5 9.h4+=) 8.Ne5+/– Qe7?? (better is 8...Qh4+/–) 9.Qh5+– Kd8 (9...g6 10.Ng6! hg6 11.Qg6 (11.Qh8?! a6+–) 11...Qf7 12.Qf7 Kf7 13.Bh8+–) 10.Nf7 Qf7 (10...Ke8 11.Nh8 g6 12.Ng6 hg6 13.Qg6 Qf7 14.Qf7 Kf7+–) 11.Qf7 g6 (11...Be7+–) 12.Bf6 Be7 13.Be7# (13.Qe7#) 1–0. Bonetti,Shane – woj1, ICC, 2002.

3.b5 Nh6 4.e3 Nf7 5.Nf3 Bd6 6.c4 a6 7.a4 b6 8.d4 a5 9.Bd3 Bb7 10.0–0 g5 11.Nbd2 g4 12.Ne1 h5 13.Nb3 Rg8 14.c5 Be7 15.e4 Ng5 16.d5 bc5 17.Rc1 d6 18.de6 Ne4 19.Be4 Be4 20.Nd3 Bb7 21.Nf4+/– d5? 22.Nh5 d4 23.Nc5 Bg2 24.Kg2 Qd5+= 25.Kg1 Qh5 26.Qd4 Bd6 27.Qd6 cd6 28.Ne4 Rg6 29.Rc7 f5? 30.Nd6+– Kd8 31.Rb7?? Re6–+ 32.Rd1 Rd6 33.Rd6+/– Kc8 34.Rg7 Qe8=+ 35.Rdg6?? Qe1–+ 36.Kg2 Qe4 37.Kg1 Nd7 38.Rg8?? Kb7 39.Ra8? Qe1 40.Kg2 Qe4 41.Kg1 Ka8 42.Rg7 Kb7 43.Rd7 Kc8 44.Rg7 Qb1 45.Kg2 Qe4 (45...Qe4 46.Kg1 Qc2 47.Rg8 Kd7 48.Rg7 Ke6 49.Rg6 Kd5–+) 0–1. elsh1403 – trituza (1630), kurnik, 2011.

3.c3 c6 4.Na3 (4.e4 a5 (4...d5= 5.ed5 ed5 6.Bd3 Nh6 7.Nf3 Bd6=) 5.ba5 d5 6.ed5 ed5 7.Bd3 Qa5=; 4.e3 e5 (4...d5 5.d4 Bd6 6.Bd3 Nh6 7.Qc2 g6=) 5.d4 Nh6 6.a3 a5 7.d5 b5=; 4.Nf3 d5 (4...a5 5.ba5 d5 6.d4 c5 7.Nbd2 Nc6=; 4...e5 5.e4 d5 6.ed5 Qd5 7.a3 a5=) 5.e3 e5 6.Be2 Bd6 7.0–0 Ne7=; 4.d4 d5 (4...a5 5.ba5 d5 6.Nd2 e5 7.de5 fe5=) 5.e3 Bd6 6.Bd3 Nh6 7.Nf3 e5=; 4.d3 a5 (4...e5 5.e4 d5 6.Nd2 Bd6 7.Be2 Ne7=; 4...d5 5.Nd2 a5 6.a3 ab4 7.ab4 Ra1=; 4...Ne7 5.e4 d5 6.Nd2 a5 7.ba5 Ra5=) 5.a3 d5 6.Nd2 ab4 7.ab4 Ra1=) 4...a5 (4...d5 5.e3 e5 6.Be2 Bd6 7.d3 a5+=) 5.b5 Ba3 (5...d5 6.e3= e5 7.Qh5 g6=) 6.Ba3+= cb5 (6...d5 7.e3 e5+=) 7.e4 (7.e3+= b4+=) 7...Qb6 (7...b4!? 8.cb4 d5=) 8.Qh5+/– g6 9.Qb5 Qb5 10.Bb5 Ne7 11.Nf3 Nbc6 12.0–0 (12.Rb1 d5 13.e5 Kf7+/–) 12...b6 (12...d5 13.e5 fe5 14.Ne5+/–) 13.Rfb1+/– Bb7 14.Be2 (14.Ba4 Nc8+/–) 14...Ba6 (14...Nc8 15.d4+/–) 15.c4 0–0 (15...d5 16.ed5 ed5 17.Rb6 Bc4 18.Bc4 dc4 19.Be7 Ne7 20.Rf6 Rc8+–) 16.Rb6+– Rfb8 17.Rab1 (17.Rbb1 g5+–) 17...Nc8 (17...Nb4 18.Rb8 (18.Bb4?? Rb6 19.a3 Nc6–+) 18...Rb8 19.Rb3+/–) 18.Rb8 Rb8 19.Rb8 Nb8 20.Nd4 e5 21.Nb3 a4 (21...Bb7+–) 22.Nc5 Nb6? (22...f5+–) 23.Na6 Na6 24.c5 Nc5 25.Bc5 Na8 (25...Nc8 26.Ba6 d6 27.Bb4+–) 26.Bb5 1–0. pierred – sloppy, internet, 2008.

3.c3 Nc6 4.e4 Ne5 5.d4+= Ng6 6.Nf3 d5 7.Nbd2 de4 8.Ne4 Bd7 9.Bd3 Bc6 10.0–0 f5 11.Neg5 h6? 12.Ne6+– Qe7 13.Bf5 Bf3 14.Qf3 Nh4 15.Qb7 Nf5 16.Qa8 Kf7 17.Rfe1 Nf6 18.g4! (18...Qd6 19.gf5 Qh2 20.Kh2 Bd6 21.Kh3 Ra8 22.Re2+–) 1–0. Wall,Bill – Jarvy, Internet, 2003.

3.c4 Bb4!? 4.a3 Ba5 +=.

3.c4 Ne7 4.Nf3 d6 5.e3 Nd7 6.Nc3 c5 7.bc5 Nc5 8.d4 Na6 9.Be2 Qb6 10.Rb1 Qc7 11.0–0 g6 12.Nb5 Qd7 13.Ba3 Nc6 14.d5 Ne5 15.de6 Qe6 16.Nd6 Bd6 17.Bd6 Nc4 18.Qa4 Qd7 19.Qc4 Qd6 20.Rfc1 Qd8 21.Rd1 Qc7 22.Qe4 Kf7 23.Ba6 Re8 24.Qd5 Kg7 25.Bb7 Rb8 26.Bc8 Rec8 27.Rb8 Rb8 28.Qd7 Qd7 29.Rd7 (29.Rd7 Kh6 30.h4+–) 1–0. Fournier,Frederic (1925) – Konvalinka,Martin (1940), Active, 2011.

3.e3 Ne7 4.Qh5 Ng6 5.Bd3 f5 6.g4 d5 7.Nf3 Bb4? 8.gf5 ef5 9.Bf5?? Bf5+= 10.Qf5 Qe7?? 11.Qd5 Nc6 12.Nc3 Rd8 13.Qg5 Qd7 14.0–0–0 0–0=+ 15.Nh4? Qf7?? 16.Ng6+/– hg6 17.Rhg1 Bc3 18.Bc3 Ne7 19.f4+– Qa2?? 20.Qe5 Qf7 21.Qc7+– Rc8 22.Qb7 Rb8 23.Qa7 Ra8 24.Qd4 Rfd8 25.Qg7 Qg7+/– 26.Bg7 Kg7 27.d4 Nc6 28.h4 Nb4 29.f5 Rdc8 30.Rg6 Kf7 31.Kd2 Rc2 32.Ke1 Rh8 33.Rg4 Nd5 34.Rd3 Ra8 35.e4?? Ne3!! 36.Rd1 Nd1 37.Kd1 Rh2 (37...Rh2 38.Rg7 Kg7 39.f6 Kf8 40.e5 Ra1) 0–1. elsh1403 – basrideliu (1640), kurnik, 2011.

3.e3 g6 4.b5 Bg7 5.f4 a6 6.c4 ab5 7.cb5 Ne7 8.Nf3 0–0 9.Bd3 c6 10.a4 cb5 11.ab5 Ra1 12.Ba1 Qb6 13.Nc3 d5 14.0–0 e5 15.fe5 fe5 16.Qb3 e4?? 17.Nd5 Nd5 18.Qd5 Be6 19.Qe4 Bf5?? 20.Qc4 Be6 21.Qb4 Nc6?? 22.Qd6 Nd8 23.Qb6 Bd5 24.Bg7 Kg7 25.Ne5 Rf1 26.Kf1 Ne6 27.Bc4 Bc4 28.Nc4 Nf8 29.Qb7 (29.Qb7 Kf6 30.Qc6 Ke7 31.Qc7 Nd7 32.Nb6+–) 1–0. elsh1403 – balisahiti, kurnik, 2011.

3.e4 c5 4.bc5+= Bc5?? (4...Qa5 5.a3+=) 5.d4 (better is 5.Qh5 Ke7 6.Qc5 d6 7.Qe3+–) 5...Bb6 6.Nf3 d6 7.Bd3 a6 8.Nbd2 Nc6 9.0–0 d5 10.ed5 ed5 11.Re1 Nge7 12.Ba3 Bd4?? 13.Nd4+– 0–0 14.N2f3 Bg4 15.c3 Nd4 16.cd4 Re8 17.Be2 Bf3? 18.Bf3 Nf5 19.Re8 Qe8 20.Bd5 Kh8 21.Qd2 Rb8 22.Re1 Qd7 23.Bb3 Nd4 24.Kh1 Rd8 25.Bc5 Nb5 26.Qd7 Rd7 27.Re8# 1–0. Ole P – dunk0104, ChessWorld.net, 2012.

3.e4 Qe7 4.a3= Nh6 5.Nf3 Nf7 6.Bc4 c6 7.0–0 b5 8.Bb3 a5 9.ba5 Ra5 10.d4 Ra6 11.Nbd2 Bb7 12.c4 bc4 13.Nc4 g5 14.Re1 Bg7 15.Ne3 0–0 16.a4 h5 17.Ba3 d6 18.e5 fe5 19.de5 Be5?? 20.Ne5+– Ne5 21.Bd6 Qf6 22.Bf8 Kf8 23.Qd6 Kf7 24.Qb8 Nd3 25.Qb7 Kg6 26.Qa6 Qf2 27.Kh1 Nf4 28.Qc6 h4 29.Qe4 Kh5 30.Qf3 Qf3+– 31.gf3 h3 32.Ng4 Nd3 33.Re6 Nf4 34.Rh6 1–0. ejdrzej (1620) – marius1963, kurnik, 2011.

3.e4 Ne7 4.Nf3 e5 5.Nh4 Ng6?? 6.Ng6 hg6= 7.Bc4 Bb4 8.c3 Bc5 9.Qb3 Qe7 10.0–0 Nc6 11.Qd1 a6 12.a3 d6 13.Ba2 Be6?? 14.c4?? Bd4 15.Nc3 Bc3 16.Bc3–/+ b5 17.d3 bc4 18.dc4 Nd8 19.f4 f5 20.fe5 Qh4 21.h3 de5 22.Be5 Bc4?? 23.Bc4+– g5 24.Bg7 Rh7 25.Qa4 c6 26.Bf6 Qh5 27.Bd8 Rd8 28.Qc6 Rhd7 29.Qe6 Re7 30.Qf5 Qh8 31.Ba6 Qd4 32.Kh1 Qb6 33.Bb5 (33...Qc6 34.Bc6 Rdd7 35.Qf8) 1–0. PoPer – startme, Caissa.com, 2004.

3.Nf3 Bb4+= 4.a3 Ba5 5.e4 Ne7 6.e5 f5 7.Nc3 0–0 8.Ng5 Nec6 (8...Bc3 9.Bc3 Nd5 10.Qh5–/+) 9.Qh5+= h6 10.Nf3 d5 11.Bd3 Nd7 12.0–0 (better is 12.Ne2!?+=) 12...Nde5–+ 13.Ne5 Ne5 14.Bb5 c6 15.Ba4 (better is 15.Rae1–+) 15...Nc4 16.Bc1 Bc3 17.dc3 Bd7 (17...Qa5 18.Bb3 Qc3 19.Rb1–+) 18.Bh6 Qf6 (18...Be8 19.Qg5 Qc7 20.Qf4–+) 19.Bg5 Qf7 (19...Qc3 20.Be7 Rfe8 21.Bb4–+) 20.Qh4–/+ Qg6 (20...e5 21.Bb3–/+) 21.Bb3 Nd6 (21...b5 22.Rfe1–/+) 22.Rfe1 (22.Be7!? Ne4 23.Bf8 Rf8 24.f3=) 22...Rf7 23.c4 (better is 23.Bf4 Ne4 24.c4+=) 23...Rff8?? (better is 23...dc4!? 24.Ba2 Ne4–/+) 24.cd5 (24.Be7 Ne4 25.Bf8 Rf8+/–) 24...cd5 (better is 24...ed5 25.c4 dc4 26.Bc4 Nc4 27.Qc4 Qf7=) 25.c4?? (better is 25.Be7 Ne4 26.Bf8 Rf8 27.Qe7+=) 25...dc4 26.Bc2 Kf7?? 27.f4?? Rh8 28.Qf2 Ne4 29.Be4+= fe4 30.Qd4 Bc6 31.Qd6? Rad8?? 32.Qe7+– Kg8 33.Qd8 Kh7 34.Re3 Rd8–+ 35.Rh3? Kg8 36.Bd8 Kf7 37.Rd1?? e3! 38.Rd6 Qg2# 0–1. guest907 – bez, ICS blitz, 2001.

3.a3 a5

4.ba5 A) 4...d5 5.e3 (5.e4 de4 6.Qh5 g6 7.Qe2 e5 8.Qe4=; 5.Nc3 Ra5 6.e3 e5 7.Nf3 Bd6 8.Nb5=; 5.Nf3 e5 6.e3 Ra5 7.c4 Be6 8.cd5=; 5.d4 Ra5 6.Nd2 c5 7.Nb3 Ra7 8.dc5=) 5...Ra5 6.Bd3 Qd7 7.Qh5 Qf7 8.Qf7=; B) 4...Nc6 5.e4 (5.Nf3 d5 6.Nc3 e5 7.e3 Na5 8.Be2=; 5.e3 e5 6.Nf3 d5 7.Bb5 Bd7 8.0–0=; 5.Nc3 d5 6.a6 ba6 7.e3 Rb8 8.Rb1=; 5.a6 ba6 6.Nc3 d5 7.e3 Rb8 8.Rb1=) 5...d5 6.Bb5 Ra5 7.Qh5 g6 8.Qe2=; C) 4...e5 5.e3 (5.Nc3 d5 6.e4 d4 7.Nd5 Ra5 8.c3=; 5.e4 d5 6.ed5 Qd5 7.Qh5 g6 8.Qf3=; 5.d4 ed4 6.Bd4 Nc6 7.Bc3 d5 8.e3=) 5...Ra5 6.d4 ed4 7.Bd4 Qe7 8.Bc3=; D) 4...Nh6 5.d4 (5.Nc3 d5 6.Nf3 e5 7.e4 d4 8.Nd5=; 5.e4 d5 6.Nc3 d4 7.Nb1 Ra5 8.c3+=; 5.e3 d5 6.d4 Ra5 7.c4 Nc6 8.Nf3=; 5.a6 Na6 6.e4 d5 7.Qh5 Nf7 8.Nc3=) 5...d5 6.Nd2 Be7 7.e4 0–0 8.Bd3=; E) 4...Ra5 5.e4 (5.Bc3 Ra8 6.e4 d5 7.Qh5 g6 8.Qf3=; 5.e3 d5 6.Bd3 Qd7 7.Qh5 Qf7 8.Qf7=; 5.d4 d5 6.Nd2 c5 7.Nb3 Ra7 8.dc5=; 5.Nc3 d5 6.e3 e5 7.Nf3 Bf5 8.Be2=) 5...d5 6.ed5 ed5 7.Bd3 Qe7 8.Ne2=.

4.b5 a4 5.e3 d5 6.Nf3 c5 7.c4 b6 8.d4 Bb7 9.Nc3 Ne7 10.Be2 Nf5 11.0–0 cd4 12.ed4 Qc7 13.cd5 ed5 14.Na4 Nd7 15.Nc3 Bd6 16.a4 0–0 17.Qb3 Ne7 18.Rac1 Qb8 19.h3 Rd8 20.Ba3 Nf8 21.Bd6 Qd6 22.Rc2 Rdc8 23.Rfc1 Rc7 24.Na2 Rac8 25.Rc7 Rc7 26.Rc7 Qc7 27.Qc3 Qc3 28.Nc3 Ne6 29.Bd1 g6 30.Bb3 Kf7 31.g3 Ke8 32.h4 Kd7 33.Kf1 Kd6 34.Ke2 Nf5 35.Kd3 Ne7 36.Nd2 h6 37.f4 g5 38.hg5 fg5 39.fg5 Ng5 40.Bd1 Nf5 41.g4 Nh4 42.Ke3 ½–½. futsalboy (1630) – roman56789 (1755), kurnik, 2011.

4.b5 b6 5.Nc3+/– Bb7 6.e4 Ne7 7.Nf3 g6 8.Bd3 Bg7 9.0–0 0–0 10.Qe2 h6 11.h3 g5 12.Qe3 Ng6 13.Rfe1 e5 14.Bc4+– Kh7 15.d4 d6 16.Be6 Nf4? 17.Bf5 Kh8 18.g3 Nh5 19.Bg6 ed4 20.Nd4 Ng3 21.Ne6 Qd7 22.Nf8 Qh3 23.fg3 Nd7 24.Bf5 Qh5 25.Ng6 Kg8 26.g4 (26.g4 Qg6 27.Bg6+–) 1–0. pierre – gniady, internet, 2009.

4.b5 c5 5.c4 b6 6.e3 Bb7 7.Nf3 d6 8.Be2 Nd7 9.0–0 Ne5 10.Ne5 de5 11.f4 ef4 12.Rf4 e5 13.Rf2 Ne7 14.Bh5 g6 15.Rf6 gh5?? 16.Be5?? Ng6? 17.Rg6! hg6 18.Bh8 Qg5 19.Qf1 Bd6 20.Bf6 Qg4 21.Nc3 Kd7 22.Bg7 Re8 23.Nd5 Bd5 24.cd5 Re7? 25.Bf8+– Qh4 26.g3 Bg3 27.hg3 Qg3 28.Qg2 Qg2 29.Kg2 Rf7 30.Rf1 Rf1 31.Kf1 g5 32.Kf2 1–0. orangutanb4 (1885) – lojzek (1845), kurnik, 2011.

4.b5 c5 5.e4+= b6 6.Nf3 Bb7 7.d3 e5 8.Be2 d6 9.c4 h6 10.0–0+/– g5 11.Nfd2 Bg7 (11...Bg7 12.Bg4 Ne7+/–). Khayman,Daniel (1640) – Antonov,Andrei, FICGS, 2007.

4.b5 c6 5.c4 Qb6 6.e3 d5 7.d3 Nd7 8.Nc3 Nc5 9.d4 Nd7 10.c5 Qc7 11.b6 Qb8 12.Nge2 e5 13.Ng3 Ne7 14.a4 Ng6 15.Be2 Nc5 16.dc5 Bc5 17.Bh5 Bb6 18.Ba3 Be6 19.0–0 Qc7 20.Rc1 0–0–0 21.Nb5! Qd7 22.Nd6 Kb8 23.Rb1 Qd6?? 24.Bd6 Rd6 25.Rb6 Kc7 26.Qb3 Rb8 27.Rb1 Bc8 28.Nf5! Bf5 29.Rb7 Rb7 30.Qb7 Kd8 31.Qb8 Ke7 32.Rb7 Rd7 33.Rd7 Bd7 34.Bg6 hg6 35.Qc7 d4 36.ed4 ed4 37.Qa5 c5 38.Qc5 Ke6 39.Qd4 Bc6 40.a5 Bb5 41.a6! Ba6 42.Qb6 Kd5 43.Qa6 Ke5 44.Qb7 Kf5 45.Qg7 Ke5 46.Kf1 1–0. horacyad2010 – wiejan, kurnik, 2011.

4.b5 c6 5.bc6 Nc6 6.e3 Qb6 7.Qc1 Nge7 8.Nc3 Nd5 9.Nd5+/– ed5 10.Rb1 Qc7 11.Nf3 Be7 12.c4 dc4 13.Bc4 d6 14.0–0 b6 15.d4 Ba6?? 16.Ba6+– Ra6 17.d5 0–0 18.Qc6 Rc8 19.Rfc1 Bd8 20.Qc7 Rc7+– 21.Rc7 Bc7 22.Rc1 Ra7 23.Nd4 Kf7 24.Nb5 Rb7 25.Rc7 Rc7 26.Nc7 1–0. Fournier,Frederic – psike (1710), Active, 2008.

4.b5 c6 5.e3 cb5 6.Bb5 Nc6 7.Nc3 Na7 8.Bd3 Qb6 9.Rb1 Nb5?? 10.Nb5 d6 11.Bd4 Qc6 12.Qh5 Ke7 13.Nd6! Kd6 14.Rb6 Qb6 15.Bb6 Ra6 16.Qc5 Kd7 17.Bb5# 1–0. pierre – harbavyasjag, chesspark.com, 2008.

4.b5 c6 5.e4 cb5 6.Bb5 Nc6 7.Be2 e5 8.Nf3 Bc5 9.0–0 Nge7 10.d4 ed4 11.Nd4 0–0 12.Nc6 dc6 13.Qd8 Rd8=+ 14.Nc3 Be6 15.Rad1 b5 16.Rd8 Rd8 17.h3 Ng6–/+ 18.g4? Nf4–+ 19.Kh2 Ne2 20.Ne2 Rd2 21.Nf4 Bc4 (21...Bc4 22.Rc1 Bd6–+ (22...Bf2?! 23.Bc3 Rd7 24.Rb1–+)) 0–1. lesbian15 – brennie, Live Game Caissa's Web, 2006.

4.b5 d5 5.e3 (5.c4 Nd7 6.e3 Nb6 7.cd5 ed5 8.Bd3=; 5.e4 de4 6.Qh5 g6 7.Qe2 Bg7 8.Ra2=; 5.Nc3 Nh6 6.d4 Be7 7.e4 0–0 8.Qe2=; 5.d4 Ne7 6.Nd2 Ng6 7.e4 c5 8.Qf3=) 5...Nh6 6.c4 Nf5 7.Qh5 g6 8.Qf3 =.

4.b5 Qe7 5.e4 (5.Nc3 d5 6.Nf3 Qd7 7.d4 Ne7 8.e4+=; 5.Nf3 d5 6.Nc3 Qd6 7.d4 Ne7 8.e4+=; 5.e3 Qf7 6.Nf3 e5 7.e4 Qg6 8.Nc3+=; 5.c4 Nh6 6.Nc3 e5 7.d4 Qd8 8.e3+=) 5...d5 6.e5 Bd7 7.Nf3 c6 8.Nc3 +=.

4.b5 Be7 5.d4 (5.e4 d5 6.ed5 ed5 7.Nf3 Bd6 8.Be2=; 5.e3 d5 6.c4 Nh6 7.Nc3 0–0 8.d4=; 5.Nc3 Nh6 6.e4 Nf7 7.Nf3 d5 8.ed5=; 5.Nf3 d5 6.Nc3 Nh6 7.e4 0–0 8.ed5=) 5...f5 6.e3 Nf6 7.Nf3 b6 8.Bc4 =.

4.b5 Ne7 5.d4 (5.e3 d5 6.c4 Nf5 7.Qh5 g6 8.Qf3=; 5.e4 d5 6.Qh5 g6 7.Qh4 Bg7 8.d4=; 5.Nf3 e5 6.d4 e4 7.Nfd2 d5 8.c4=; 5.Nc3 d5 6.e4 d4 7.Na4 e5 8.Bc4=) 5...d5 6.Nd2 Nf5 7.e4 de4 8.Ne4 +=.

4.b5 Nh6 5.e3 (5.Nc3 d5 6.e4 d4 7.Na4 e5 8.c3=; 5.e4 d5 6.Bd3 c5 7.c4 d4 8.Qh5=; 5.d4 d5 6.e3 Nf5 7.Bd3 Be7 8.Nf3=; 5.Nf3 d5 6.d4 c5 7.e3 c4 8.Nc3=) 5...d5 6.c4 Be7 7.Nc3 Nf5 8.d4 +=.

4.e3 ab4 5.ab4 Ra1 6.Ba1 Bb4 7.Bc3 Bc3 8.Nc3 Nc6 9.Bb5 Nh6 10.Nf3 b6 11.0–0 Ne5 12.Ne5 fe5 13.Qf3 c6 14.Ba4 b5 15.Bb3 Ba6 16.Qh5 Kf8 17.Ra1+/– Qc8 18.Qe5 Nf7 19.Qf4 g5 20.Qf6 Rg8 21.Ne4 Rg6 22.Qf3 Ke7 23.Nc5 Bb7 24.c4 bc4 25.Bc4 d6 26.Nb7 Qb7 27.h3 d5 28.Bd3 Rf6 29.Qd1 c5 30.Rb1 Qc6 31.Bb5 Qd6 32.Qa4 h5 33.Be8 g4 34.Rb7 Kf8 35.Qa8 Kg7 36.hg4 hg4 37.Qa7 Qf8 38.Bf7 Rf7 39.Rf7 Qf7 40.Qc5 Kg6 41.Qd4 Qb7 42.Qg4+– Kf7 43.Qh5 Kf6?? 44.Qh6 Kf5 45.Qf4 Kg6 46.Qg4 Kf6?? 47.f4 Qb1 48.Kf2 Qc1 49.Qg5 Kf7 50.Qh5 Ke7 51.Qh7 Kd6 52.Qd3 Qh1 53.e4 Qh4 54.Qg3 Qg3 55.Kg3 de4 56.Kf2 Kd5 57.Ke3 e5 58.f5 Kd6 59.g4 (59.g4 Ke7 60.g5+–) 1–0. Fournier,Frederic (2020) – GARCHAZILLA (1750), Ajedrez21 www.ajedrez21.com, 2005.

3.a3 a6

4.Nc3 A) 4...d5 5.d4 (5.Nf3 e5 6.e3 Nc6 7.e4 de4 8.Ne4=; 5.e4 d4 6.Nce2 e5 7.Nf3 Be6 8.Nc1=; 5.e3 e5 6.d4 ed4 7.Qd4 Be6 8.Rd1=; 5.f4 c5 6.bc5 Bc5 7.e3 b5 8.Qh5=) 5...a5 6.b5 f5 7.Nf3 Bd6 8.e3=; B) 4...Ne7 5.e4 (5.Nf3 d5 6.e4 d4 7.Ne2 e5 8.c3=; 5.d4 Nbc6 6.Nf3 Ng6 7.e4 d5 8.Bd3+=; 5.e3 d5 6.Be2 e5 7.Nf3 Nbc6 8.0–0=; 5.f4 d5 6.e3 Nbc6 7.Nf3 e5 8.fe5=) 5...d5 6.d4 Nbc6 7.Nf3 Ng6 8.Bd3+=; C) 4...c5 5.bc5 Bc5 6.d4 Bb6 7.e4 Ne7 8.Qh5+=; D) 4...b5 5.e4 (5.d4 a5 6.ba5 Ra5 7.e4 Ba6 8.Nf3=; 5.e3 Bb7 6.e4 e5 7.Nf3 Nh6 8.d4+=; 5.Nf3 d5 6.e4 d4 7.Ne2 e5 8.c3=) 5...Bb7 6.d4 Qe7 7.Bd3 Qd6 8.e5+=; E) 4...a5 5.b5 (5.ba5 d5 6.e4 d4 7.Nb5 e5 8.a4+=) 5...d5 6.e3 Ne7 7.e4 d4 8.Na4=.

4.c4 A) 4...d5 5.e3 (5.c5 Ne7 6.e3 e5 7.d4 e4 8.Nc3=; 5.cd5 ed5 6.e3 Bf5 7.Nf3 Nc6 8.Nc3=) 5...dc4 6.Bc4 b5 7.Bb3 Ne7 8.Qh5+=; B) 4...a5 5.b5 (5.Qa4 Be7 6.Nf3 b6 7.b5 Bb7 8.d4+=; 5.ba5 e5 6.e3 Ne7 7.d4 ed4 8.Bd4=) 5...d6 6.e4 Ne7 7.d4 Ng6 8.Nf3+=; C) 4...Ne7 5.d4 (5.e4 d5 6.Qh5 g6 7.Qh4 Bg7 8.d4=; 5.e3 e5 6.d4 ed4 7.Bd4 Nbc6 8.Nc3=; 5.Nc3 d5 6.e3 a5 7.b5 c6 8.d4+=; 5.Nf3 d5 6.e3 a5 7.Qa4 c6 8.d4=) 5...d5 6.e3 Nbc6 7.Nf3 Nf5 8.Nc3+=; D) 4...b6 5.e4 (5.Nc3 e5 6.e3 Bb7 7.d4 ed4 8.ed4+=; 5.d4 c5 6.bc5 bc5 7.e3 Bb7 8.Nf3+=; 5.e3 Bb7 6.d4 c5 7.bc5 bc5 8.Nf3+=; 5.Nf3 Bb7 6.Nc3 e5 7.e4 a5 8.b5+=) 5...Bb7 6.Nc3 e5 7.Nf3 c5 8.bc5+=; E) 4...e5 5.Nc3 (5.e3 Ne7 6.d4 ed4 7.Bd4 Nbc6 8.Bc3=; 5.d4 ed4 6.Nf3 a5 7.Qa4 Ne7 8.Nd4=; 5.Nf3 a5 6.Qa4 e4 7.Nd4 Nc6 8.b5=; 5.e4 c5 6.bc5 Bc5 7.Qf3 Ne7 8.Qg3=) 5...Nh6 6.Nf3 Nf7 7.d4 d6 8.e4+=.

4.e3 A) 4...e5 5.Nf3 (5.c4 Ne7 6.Qh5 g6 7.Qf3 Bg7 8.d4=; 5.e4 d5 6.ed5 Qd5 7.Nf3 Bg4 8.Nc3+=; 5.f4 d6 6.Bd3 Ne7 7.Ne2 Nd7 8.0–0+=; 5.d4 ed4 6.Bd4 Nc6 7.Bd3 Nd4 8.ed4+=) 5...d5 6.c4 Be6 7.cd5 Qd5 8.d4+=; B) 4...d5 5.Nf3 (5.d4 Bd6 6.c4 dc4 7.Bc4 Nc6 8.Qh5+=; 5.c4 Nh6 6.Nc3 dc4 7.Bc4 Bd6 8.Qh5+=; 5.Nc3 a5 6.b5 Ne7 7.Be2 e5 8.Nf3=; 5.Be2 c5 6.bc5 Bc5 7.Nc3 b5 8.d4=) 5...e5 6.c4 Be6 7.cd5 Qd5 8.d4+=; C) 4...Nh6 5.d4 (5.Qh5 Nf7 6.Nf3 d5 7.c4 a5 8.b5+=; 5.c4 a5 6.b5 Be7 7.Qh5 Nf7 8.d4+=; 5.Nf3 d5 6.Be2 e5 7.0–0 Be6 8.d4=; 5.Be2 d5 6.Nf3 e5 7.d4 e4 8.Nfd2=) 5...d5 6.c4 Be7 7.Nc3 0–0 8.Nf3+=; D) 4...d6 5.Be2 (5.Nc3 e5 6.Bc4 Ne7 7.Qh5 g6 8.Qf3+=; 5.Bd3 Ne7 6.Nf3 e5 7.0–0 d5 8.e4=; 5.Nf3 e5 6.d4 e4 7.Nfd2 f5 8.Be2+=; 5.d4 c5 6.Bd3 Nh6 7.bc5 dc5 8.Nd2+=) 5...e5 6.d4 Nd7 7.Bd3 g6 8.Nf3+=; E) 4...a5 5.Bd3 (5.b5 d5 6.c4 c6 7.d4 cb5 8.cd5+=; 5.ba5 d5 6.Bd3 g6 7.e4 e5 8.ed5+=; 5.Qh5 g6 6.Qh4 ab4 7.Bd3 Bg7 8.ab4=) 5...Nh6 6.b5 e5 7.f4 d6 8.Nf3+=.

4.e4 a5 5.b5 (5.ba5 d5 6.Nc3 d4 7.Nb5 e5 8.a4+=) 5...d5 6.Qh5 g6 7.Qe2 de4 8.Qe4 +=.

4.e4 b5 5.c4 (5.Nc3 Nc6+=) 5...bc4 (5...a5 6.cb5 ab4 7.Bd3+/–) 6.Bc4+/– d6 (6...Bb7!?+/–) 7.Nf3 (7.Nh3 Qe7+–) 7...Nc6 8.b5?? (8.Nc3 Ne5 9.Ne5 de5+–) 8...Nb8?? (better is 8...Na5 9.d3 Rb8+=) 9.Nc3 (9.Nd4 e5 10.Bd5 Ra7+–) 9...Ra7? (9...ab5 10.Nb5 Ne7+–) 10.ba6 Ra6 11.Ba6 Na6 12.0–0 Nc5 13.Nd4 Nd3?? 14.Qc2 Ba6?? 15.Ndb5 Bb5?? 16.Nb5 Nf4 17.a4 c6 18.Nd4 c5 19.Nb5 Qb6 20.g3 Ne2 21.Kh1 d5 22.ed5 ed5 23.d4 Qe6 24.Nc7 Kd7 25.Ne6 Ke6 26.Rfe1 c4 27.Re2 Kf7+– 28.Qf5 g6 29.Qd7 Be7 30.Ba3 Nh6 31.Qe7 Kg8 32.Qe8 (32.Qe8 Kg7 33.Re7 Nf7 34.Qf7 Kh6 35.Qf6 c3 36.Qh4#; 32.Qf8#) 1–0. bambinik – Annita, gameon.it, 2001.

4.e4 c5 5.bc5 Bc5 6.Qh5 Kf8 7.Qc5 Qe7 8.Qc8 1–0. mtra – Romulans, internet, 2002.

4.e4 c6 5.Nf3 (5.d4 d5 6.Nd2 a5 7.b5 Bd7 8.bc6+=; 5.Qh5 g6 6.Qh4 Bg7 7.Nf3 d6 8.Be2+=; 5.Nc3 d5 6.ed5 cd5 7.Bd3 Ne7 8.Nf3=; 5.Bd3 d6 6.Nf3 Be7 7.Nc3 e5 8.0–0+=) 5...b5 6.d4 a5 7.c3 ab4 8.ab4 +=.

4.e4 Nc6 5.Nf3 (5.Bc4 Nh6 6.d4 Nf7 7.Nf3 d5 8.Bd3+=; 5.d4 d5 6.e5 Nh6 7.Nf3 Be7 8.Bd3+=; 5.Bd3 e5 6.Nf3 Nge7 7.c4 d6 8.0–0+=; 5.Nc3 d6 6.Nf3 Nge7 7.Bc4 d5 8.Bb3=) 5...e5 6.d4 d5 7.ed5 Qd5 8.Qe2 +=.

4.e4 d5 5.e5 (5.Qh5 g6 6.Qe2 d4 7.e5 Bg7 8.ef6=; 5.ed5 ed5 6.Bd3 Nh6 7.Qh5 g6 8.Qf3=; 5.Bd3 c5 6.Qh5 g6 7.Qh4 c4 8.Be2+=; 5.Qe2 d4 6.e5 c5 7.Nf3 Nc6 8.c3=) 5...Bd7 6.Nf3 Be7 7.Be2 Nh6 8.ef6 +=.

4.e4 d6 5.d4 (5.Nc3 Nc6 6.Nf3 e5 7.Bc4 f5 8.ef5+=; 5.Nf3 Be7 6.d4 c5 7.Bd3 Nc6 8.bc5+=; 5.Bc4 b5 6.Ba2 c5 7.Nh3 Nc6 8.Nf4+=; 5.Be2 e5 6.Nf3 f5 7.ef5 Bf5 8.d3+=) 5...Nc6 6.Nf3 Nge7 7.Bd3 Ng6 8.0–0 +=.

4.Nf3 A) 4...d5 5.d4 (5.Nc3 e5 6.e3 Nc6 7.e4 de4 8.Ne4=; 5.e3 c5 6.bc5 Bc5 7.d4 Bd6 8.c4=; 5.Ra2 e5 6.e3 Be6 7.Be2 Nh6 8.0–0=; 5.d3 a5 6.b5 Qd7 7.Nc3 e5 8.e3=) 5...Qd7 6.e3 Bd6 7.c4 dc4 8.Bc4+=; B) 4...a5 5.c3 (5.ba5 d5 6.Nc3 Ra5 7.d4 Bd7 8.e4=; 5.b5 d5 6.Nc3 e5 7.e3 Bf5 8.Be2=) 5...d5 6.d4 Bd7 7.Nbd2 ab4 8.ab4+=.

3.a3 Na6

4.d4 b5 5.e4 Qe7 6.Qh5+– Qf7 7.Qf7 Kf7 8.Bb5 Rb8 9.Nc3 Rb6 10.Nf3 Nb4 11.ab4 Bb4 12.Bd3 Bd6 13.Ba3 Ra6 14.Ba6 Ba6 15.Bd6 cd6 16.Ra6 Nh6 17.Nb5 Rb8 18.Nd6 Ke7 19.Ke2 Rb2 20.Rc1 Ng4 21.e5 fe5 22.de5 h5 23.Ra7 g5 24.Ra8 h4 25.Re8# 1–0. marekt – redrock, internet, 2005.

4.e3 g5? 5.Nf3 (5.Qh5 Ke7+–) 5...h5 6.Be2 (6.Ng5!? e5 7.Nf3 Ne7+–) 6...g4 7.Nd4 e5 8.Nf5 d6 9.Ng3 h4 10.Ne4 f5 11.Nec3 h3 12.g3 Be6 13.0–0 Nf6 14.d3 Qd7 15.d4 e4?? (better is 15...ed4 16.Nb5 d3 17.Bd3 Bg7+=) 16.d5+– Bf7 17.Bb5 Qb5 (17...c6 18.dc6 bc6 19.Ba6 Bg7+–) 18.Nb5 Bd5 (18...Bg7+–) 19.Bf6 c6 20.Bh8 0–0–0 21.N5c3 Bh6 22.Nd5 Rh8 23.Ne7 Kd7 24.Nf5 Bg5 25.Qd6 Kc8 26.Ne7 Be7 27.Qe7 Nc7 28.Rd1 Re8 29.Qg5 b5 30.Qg4 Kb7 31.Qh3 a6 32.Rd7 Kb6 33.Rc7! Kc7 34.Qh7 Kb6 35.Nc3 Rc8 36.Qe4 Rc7 37.Rd1 a5 38.ba5 Ka5 39.Rd6 (39.Rd6 Ka6 40.Rc6 Kb7 41.Rc5 Kc8 42.Qe8 Kb7 43.Rb5 Ka6 44.Qa8 Ra7 45.Qc6#) 1–0. Neumann,Frank – Dixon,Grant, RN–2012–0–00475, 2012.

4.e4+= Nb8 5.Bc4 +=.

4.e4+= c5 5.Ba6+/– ba6 6.bc5 Qc7 7.Bd4 e5 8.Be3 Bc5 9.Bc5 Qc5 10.Nf3 Rb8 11.0–0 Bb7 12.d4 Qd6 13.Qd3 Ne7 14.de5 fe5?? 15.Qd6+– 0–0 16.Qe7 Be4 17.Nbd2 Bc2 18.Qd7 Rbd8 19.Qe6 Rf7 20.Ne5 Rdf8 21.Nf7 Rf7 22.Rac1 Bf5 23.Rc8 1–0. b4_player (2155) – ba2004, GameColony.com, 2002.

3.a3 b5

4.e3 a6!? +=.

4.e3 Bb7 5.Qh5+/– g6 6.Qb5 Ba6 7.Qa4 Ne7?? (better is 7...Bf1 8.Kf1 a5+/–) 8.Ba6+– (8.Ba6 Na6 9.Bf6+–) 1–0. Wall,Bill – Zahad, internet, 2000.

4.e3 c6 5.Nf3 d5 6.d3 Nd7 7.Be2 Ne7 8.c4 a6 9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 e5 12.0–0 c5 13.bc5 Bc5 14.d4 Be7 15.de5 fe5 (15...Bb7!?+/–) 16.Ne5 (16.Be5?! Ne5 17.Ne5 Qd1 18.Rfd1 Bf6+/–) 16...Bf6? (16...Ne5 17.Be5 Qd1 18.Rfd1+– (worse is 18.Rad1 Ba3 19.Bg7 Rg8+/–)) 17.f4?? (better is 17.Nf7 Kf7 18.Qd5 Ke8 19.Bf6 Nf6 20.Qa8+–) 17...0–0?? (17...Ne5 18.Qd8 (18.fe5?! Bg5 19.Bh5 g6+–) 18...Kd8 19.fe5+/–) 18.Nd7 (better is 18.Qd5 Kh8 19.Qa8+–) 18...Bd7 19.Bf6 Rf6+/– 20.Bf3 Rb8 21.g3 g6 22.e4 Kg7 23.e5 Re6 24.Bg4 Re7 25.Bd7 Rd7 26.Qb3 Rbb7 27.Rad1 Rd1 28.Rd1 Rd7 29.Rd7 Qd7 30.Qb4 Kf7 31.Qd6?? Qe6?? 32.Qe6+– Ke6 33.Kf2 a5 34.Ke3 b4? 35.Kd3 ba3 36.Kc3 a2 37.Kb2 a1Q 38.Ka1 h6 39.Ka2 g5 40.Ka3 gf4 41.gf4 Kf5 42.Ka4 Kf4 43.e6 h5 44.e7 Kg4 45.e8Q Kh3 46.Qh5 Kg2 47.h4 Kh3 48.Qg5 Kh2 49.h5 (49.h5 Kh3 50.h6 Kh2 51.h7 Kh3 52.h8Q) 1–0. Fournier,Frederic (1925) – trancadis, Active, 2008.

4.e4 c5 5.bc5+/– Bc5?? 6.Qh5+– g6 7.Qc5 Ba6 8.Nc3 d6 9.Bb5 Nd7 10.Qd6 Bb5 11.Qe6 Ne7 12.Nb5 Nc5 13.Nd6 Qd6 14.Qd6 Nd7 15.Bf6 Kd8 16.Be7 Kc8 17.Qc6 Kb8 18.Bd6# 1–0. b4_player (2220) – EchekK, GameColony.com, 2003.

4.e4 c6 5.Nf3 (5.e5 d5+=) 5...e5 (5...a5 6.a4=) 6.Nh4 (6.d4 ed4 7.Bd4 a5+=) 6...Nh6= 7.c4 (better is 7.d4 ed4 8.Qd4=) 7...g6? (better is 7...bc4!? 8.Bc4 d5 9.ed5 cd5=) 8.cb5+/– f5 (8...d5 9.bc6 Nc6 10.Bb5+/–) 9.Nf3 Bd6? (better is 9...d6!? 10.Nc3 fe4 11.Ne4 Bf5+–) 10.Ne5+– cb5 (10...Be5 11.Be5 0–0 12.Bd6+–) 11.Ng4 (11.Ng4 Ng4 12.Bh8+–) 1–0. Wall,Bill (2365) – MajCoffee (2335), Microsoft Gaming Zone, 1999.

4.e4 e5 5.Bb5 a5 +/–.

4.e4 e5 5.Nc3 a6+= 6.Nf3 d6 7.Bd3 c5 8.0–0 c4 (8...Be6!?+=) 9.Be2+/– Bg4 (9...Nc6 10.d3 cd3 11.Qd3+/–) 10.a4 Bf3 11.Bf3 ba4 12.Ra4 Nc6 (12...Nd7 13.Re1+/–) 13.Nd5 (better is 13.Be2+–) 13...g5?? (better is 13...Nce7+–) 14.Bh5 Kd7 15.Qg4 f5 16.Qf5# 1–0. marekt – dunk0104, ChessWorld.net, 2012.

4.e4 e5 5.Nf3 a5 6.c3 Bb7 7.d3 (7.Bb5 Be4 8.Qe2 Bg6+=) 7...ab4 8.cb4 Bd6 9.Be2 Nc6 10.0–0 Nh6 11.Re1 Qe7 12.d4 Qf7 (12...Nd4!? 13.Nd4 ed4 14.Bd4 c6+=) 13.d5 Na7 14.Nbd2 (better is 14.Bc1+/–) 14...Qg6? (14...0–0 15.a4+=) 15.Nh4?? (better is 15.Ne5 Be5 16.Be5+–) 15...Qf7+/– 16.Bh5 g6 17.Be2 c6 18.dc6 Qe7?? (better is 18...Bc6 19.Bc1 Be7+=) 19.cb7+– Rb8 20.a4 Rb7 21.a5 Bb4 22.a6 Rc7 23.Rf1 0–0 24.Bg4 Rc6?? 25.Ndf3 Ng4= 26.h3 Nh6 27.Kh1 f5 28.Ne5+/– Re6 29.Rc1?? Re5 30.Be5+= Rd8? 31.Nf3+/– Qe6? 32.Bd4 Nc6 33.a7 Ra8 34.Ng5 Qe7 35.Qb3 Kf8 36.Kh2 Na5?? 37.Qd5 Nc6 38.Bc5 Bc5+/– 39.e5?? Qg5 40.Qc5 Ke8?? 41.e6+/– Qf6? 42.ed7+– Kd8 43.Rfe1 Qf7 44.Qc6 Qd7 45.Qa8 Qc8 46.Qc8 1–0. pieeater – dumbroad, ChessWorld.net, 2013.

3.a3 b6

4.c4 Bb7= 5.Nf3 Qe7 6.d4 a6 7.Nbd2 d5 8.c5 bc5 9.dc5 Nc6 10.e3 Nh6 11.Bd3 Ng4 12.0–0 g6 13.Ne1 Bh6?? 14.Qg4+– Ne5 15.Be5 fe5 16.Nef3 e4 17.Nd4?? ed3 18.Qe6 Qe6+/– 19.Ne6 a5?? 20.Nc7+– Kf7 21.Na8 Ba8 22.b5 d4 23.Nb3 de3 24.fe3 Kg7 25.c6 Be3 26.Kh1 h5 27.Na5 d2 28.b6! Bb6 29.Nc4 Bc6 30.Nb6 Rb8 31.Rab1 Kh6 32.Rfd1 Rd8 33.a4 Be4 34.Rb2 1–0. bentengutama (1955) – maf (1770), net–chess.com, 2003.

4.e3 a5 5.ba5 Ra5 6.c4 c6 7.d4 e5 8.de5 fe5 9.Be5?? Re5–+ 10.f4? Re3 11.Be2 g5 12.Kf1?? Qf6–+ 13.Bh5 Kd8 14.Ra2 Qf4 15.Rf2 Qc4 16.Be2 Qe4 17.Rf8 Ke7?? 18.Rc8+/– Qf4 19.Ke1 Nf6?? 20.Rh8 Na6 21.Nd2 Nc5 22.Ngf3 Nd3 23.Kf1 Nb2 24.Qb1 Na4 25.Qb4 Nc5 26.Qf4 gf4 +–. undergearmalaysia – xodinho, net–chess.com, 2003.

4.e4 e5 5.Nf3 Bb7 6.d4 Be4 7.de5 Bf3 8.Qf3 c6 9.b5 Qc7 10.ef6 gf6 11.Bf6 Nf6 12.Qf6 Rg8 13.g3 Be7 14.Qf3 Rf8 15.Qh5 Rf7 16.Bd3 Kd8 17.Qf7 Qe5 18.Be2 Qa1 0–1. Galagus – footyhead, playchess.de, 2002.

4.Nf3 Bb7 5.e3 Nh6 6.c4 e5 7.d3 c5 8.b5 Bd6 9.Nc3 0–0 10.Be2 Nf5 11.0–0 g5 12.e4 Nd4 13.Nd5 Qe8 14.Nd4 cd4 15.Bh5 Qd8 16.Qg4 Bd5 17.cd5 a6 18.a4 Bc5 19.h4 d6 20.hg5 fg5 21.Bc1 Ra7 22.Bg5 Qd7 23.Qg3 Kh8 24.f4 Qg7 25.fe5 de5 26.Rf8 Qf8?? 27.Qe5 Qg7 28.Bf6 (28.Bf6 Qf6 29.Qf6 Rg7 30.d6+–) 1–0. Fournier,Frederic (1940) – pirralo (1620), Active, 2011.

4.Nf3 e5 5.e3 d5= 6.Bb5 Bd7 7.Bd7 Qd7 8.0–0 e4 9.Nd4 Ne7 10.d3+= Nbc6 11.Nd2 0–0–0 12.Nc6 Qc6+= 13.d4 Nf5 14.Rc1 Nh6 15.c4+/– f5 16.cd5 Qd5+= 17.Qa4 Kb8 18.Qc6 Qc6 19.Rc6 Bd6 20.Rfc1 Rd7 21.Nc4 Be7? 22.Ne5+– Rd6 23.Rc7 Bd8?? 24.Rg7 Rg8 25.Nd7 Rd7 (25...Rd7 26.Rd7 Ng4 27.Rh7 Rg6+–). BCC – BIGAL 1971, ChessWorld.net, 2005.

3.a3 c5

4.b5 b6 5.e3 Bb7 6.c4 Ne7 7.Nf3 Ng6 8.g3 d5 9.Bg2 dc4 10.0–0 Be7 11.Qc2 0–0 12.Qc4 Ne5 13.Be5 fe5 14.Qe6+– Kh8 15.Ne5 Bg2 16.Kg2 Qe8 17.Nc3 Rf6? 18.Qg4 Qb5?? 19.Nd5 (19...Qe8 20.Qe4+–; better is 19.Nb5 Na6 20.Qd7+–) 1–0. slavisa11 – Timberwolf, caissa.com, 2004.

4.b5 c4 5.e3 d5 6.d3 Qa5 7.Nc3 d4? (better is 7...cd3 8.Bd3 Ne7=) 8.ed4+– cd3 9.Bd3 Qd8 10.Nf3 e5 (better is 10...Bd6+–) 11.de5 Bf5 (11...Nd7 12.Qe2 Be7 13.Rd1+–) 12.ef6 (better is 12.Bf5 Nd7 13.Bd7 Qd7 14.Qd7 Kd7 15.0–0–0 Ke8 16.Rhe1+–) 12...Qf6 13.0–0 g5 (13...Ne7+–) 14.Re1 Ne7 15.Rb1 Rg8 (15...Bd3 16.Nd5 Qd6 17.Qd3 Nd7 18.Bh8 0–0–0 19.Qc4 Nc5 20.Ne7 Be7+–) 16.Nd5 Qd6 17.Nf6 Kd8 18.Ng8 Ng8 (18...Bd3 19.Re3 Kc8 20.Rd3+–) 19.Bf5 Nh6 20.Ng5 Qd1 21.Rbd1 Kc7 22.Ne6 Kb6 23.Bd4 (23.Be4!? a6+–) 23...Kb5 24.Nc7 Ka4 25.Bh7 (25.Bc3 Nc6 26.Re4 Nd4 27.Rdd4 Bb4 28.Rb4 Ka3 29.Ra4) 25...Nf7 26.Na8 (26.Bc3 Bd6 27.Re4 Bb4 28.ab4 a5 29.Ra1) 26...Nd6 27.Ba7 Nc6 28.Bc5 Nc4 29.Re4 (better is 29.Bf8 N6e5+–) 29...Bc5 30.Rc4 Kb5 31.Rc5! Kc5 32.g4 Ne5 33.g5 (better is 33.Be4 Nc4+–) 33...Nf7 34.g6 Nh6 35.Rd3 Nf5 36.Rd7 b6 37.g7 Kc6 38.g8Q (38.Bf5 Kb5 39.g8Q Ka5 40.Ra7 Kb5 41.Qd5) 38...Kd7 39.Nb6 (39.Bf5 Kd6 40.Qg7 Kd5 41.Qc7 b5 42.Nb6 Kd4 43.c3) 39...Kc7+– 40.Bf5 Kb6 41.Qc8 Ka5 (41...Kb5 42.Qc7 Ka4 43.Qb6 Ka3 44.Qb3) 42.Qb7 Ka4 43.Qb4 1–0. retiponziani – primemover, ChessWorld.net, 2012.

4.e3 d5 5.Qh5 g6 6.Qh4 Be7 7.bc5+= Bc5 8.Bd3 Kf7 9.Nf3 Na6 10.c4 dc4 11.Bc4 g5?? 12.Ng5!+– fg5 13.Qh5 Ke7 14.Bh8 (14.Bh8 h6 15.h4+–) 1–0. jnunes (1760) – Clyde Barrow (1745), internet, 2007.

4.bc5 Bc5

5.d4 Bb6 6.e4 e5 7.Bc4 ed4 8.Qh5 g6 9.Qd5 Nh6? 10.Bc1+– Ng4?? 11.Qf7# 1–0. kamret (2190) – crytostars, GameColony.com, 2003.

5.d4 Bd6 6.e3 Qe7 7.Bd3 e5 8.Ne2 Nh6 9.0–0 Nf5?? 10.Bf5+– g6 11.Bd3 0–0 12.Bc4 Kg7 13.Nd2 ed4 14.Nd4 Nc6 15.N2f3 Be5 16.Nc6 dc6 17.Ne5 fe5 18.f4 h5 19.Be5 Kh7 20.Bd3 Bg4 21.Qe1 Rad8 22.Qc3 Rd5 23.e4 Rd7 24.Rae1 Rfd8 25.f5 gf5 26.ef5 Rd3 27.cd3 Qf7 28.d4 Rg8 29.Qd3 Rg5 30.f6 Rf5 31.Rf5 Bf5 32.Qf5 Kh8 33.Re3 (33.Re3 a5 34.Qg5 h4 35.Qh4 Kg8 36.Qg5 Kf8 37.Bd6 Qe7 38.Qg7 Ke8 39.Qe7) 1–0. amator111 (1660) – spazio2020, kurnik, 2011.

5.e3 Qb6 6.Bc3 Nc6 7.d4+= Bd6 8.Nf3 a5 9.Bd3 f5?? 10.d5+– Nb4 11.Bg7 (11...Nd5 12.Bh8+–) 1–0. Wall,Bill – Tudor, internet, 2003.

5.e3 Qb6 6.Bc3 d5 7.d4 Bd6 8.Nd2 e5 9.de5 fe5 10.Be5 Be5 11.Qh5 Kd8 12.Qe5 Nd7 13.Qd5 Qb2 14.Qd4 Qd4 15.ed4 Ne7 16.Bd3 Rb8 17.Ne2 b5 18.0–0 b4 19.Rfe1 Nd5 20.Ne4 b3 21.cb3 Rb3 22.Bc4 Ne3 23.Bb3 Re8 24.Nd6 Re7 25.Nc3 Nd1 26.Rad1 Ba6 27.Nce4 Nb6 28.Nc5 Be2 29.Rc1 a5 30.Be6 Kc7 31.Nf5 Re8 32.Ng7 Rf8 33.Nd7 1–0. mtra – lebucher1, internet, 2002.

5.e3 Qb6 6.Bc3 d5 7.Qh5 g6 8.Qf3 =.

5.e3 d5= 6.Bd3 Nc6 7.Qh5+= Ke7 8.Nf3 Nh6 9.Nc3 Qe8 10.Qh4 Kd8 11.0–0 e5 12.Nd5+/– Nf5 13.Bf5 Bf5 14.d4 Be7 15.Ne7 Qe7 16.d5 Nb8 17.d6! Qf8 18.Ne5 Nd7 19.e4 g5 20.Nd7 Bd7 21.Qg3 h5 22.Qf3 Rh6 23.e5 g4 24.Qb7 Rc8 25.ef6 Rf6 26.Bf6 Qf6 27.Qa7 Qd6 28.Rfd1 Qc6 29.Qa5 Qc7 30.Qg5 Ke8 31.Re1 (31.Re1 Be6 32.Qg8 Ke7 33.Re6 Kd7 34.Qf7 Kd8 35.Re8#) 1–0. Trkn – dwqa, ICC, 2005.

5.e3 d5 6.Qh5 g6 7.Qh4 Kf7 8.Nf3 Nc6 9.Be2 e5 10.0–0 Nge7 11.d4?? Nf5–+ 12.Qh3 Nfd4 13.ed4 Bh3 14.dc5 Be6 15.Nbd2 h5 16.Rad1 Qc7 17.c4 d4 18.Ne4 Bg4 19.Nd6 Ke6 20.h3 Bf3 21.Bf3 Na5 22.Bd5 Kd7 23.f4 Qc5 24.fe5 f5?? 25.Bd4= Qa3 26.Nb5 Qg3?? 27.e6 Ke7= 28.Bc5 Kf6 29.Bd4 Ke7 30.Rf3 Qg5 31.Bc5 Kf6 32.e7 Nc6 33.Re1 Rhe8 34.Re6 Kf7?? 35.Nd6?? Kg7+= 36.Ne8 Re8= 37.Bc6 bc6–/+ 38.Bd4 Kh6?? 39.Be3+– (39.Be3 Qe3 40.Rfe3+–) 1–0. ejdrzej (1750) – juari, kurnik, 2011.

5.e3 g6 6.Nc3 a6 7.Nf3 e5 8.d4+/– Bd6? 9.Ne4+– Qa5 10.Bc3 Qd5 11.de5 Qd1 12.Rd1 Be5 13.Ne5 Nc6 14.Nd6 Ke7 15.Nef7 Nh6 16.Nh8 b5 17.h4 Bb7 18.Ng6! Kd8 19.Nb7 Kc7 20.Nf4 Kb7 21.Rd7 Kc8 22.Rh7 Nf5 23.h5 Nce7 24.g4 Nd6 25.Re7 Nc4 26.h6 Ne3 27.h7 Nc2 28.Kd2 Kd8 29.Bf6 Ra7 30.h8Q# 1–0. pierre – dimiton, internet, 2008.

3.a3 c6

4.Nc3 A) 4...d5 5.d4 (5.e4 d4 6.Nce2 e5 7.c3 dc3 8.dc3=; 5.Nf3 e5 6.e4 d4 7.Na2 a5 8.Ne5=; 5.e3 e5 6.Be2 b5 7.a4 Bb4 8.ab5=; 5.h3 e5 6.e3 Bd6 7.Nf3 Ne7 8.Be2=) 5...Bd7 6.e4 a5 7.b5 cb5 8.ed5=; B) 4...e5 5.e4 (5.d4 d5 6.e4 a5 7.b5 ed4 8.Qd4+=) 5...d5 6.d4 a5 7.b5 ed4 8.Qd4+=; C) 4...b5 5.e4 (5.e3 a5 6.Qh5 g6 7.Qh4 ab4 8.ab4=; 5.Nf3 a5 6.ba5 d5 7.e4 Ra5 8.d4=; 5.d4 a5 6.ba5 Qa5 7.e4 d5 8.e5=; 5.Ra2 d5 6.e3 e5 7.d4 e4 8.f3=) 5...a5 6.ba5 d5 7.Nf3 Ra5 8.d4=; D) 4...d6 5.d4 (5.e4 d5 6.ed5 ed5 7.Nf3 b5 8.Be2+=; 5.Nf3 e5 6.e4 Ne7 7.d4 Ng6 8.d5+=; 5.e3 e5 6.d4 ed4 7.Qd4 Nd7 8.Be2+=; 5.Rb1 b5 6.e4 a5 7.Qh5 g6 8.Qe2=) 5...Nh6 6.e4 Be7 7.Nf3 0–0 8.Bd3+=; E) 4...a5 5.b5 (5.ba5 d5 6.e4 Qa5 7.ed5 ed5 8.Nf3=) 5...d5 6.e3 e5 7.Be2 Bd6 8.Nf3=.

4.c4 a5 5.b5 (5.ba5 d5 6.e3 Qa5 7.cd5 ed5 8.Bd3=; 5.c5 d6 6.e3 ab4 7.ab4 Ra1 8.Ba1+=; 5.Qa4 d5 6.b5 Bd7 7.cd5 ed5 8.Nc3=) 5...cb5 6.cb5 d5 7.e3 Ne7 8.Nc3 +=.

4.c4 d5 5.Qb3 a5 6.b5 a4 7.Qc2 cb5 8.cb5 =.

4.c4 d5 5.Qc2 a5 6.b5 dc4 7.Qc4 Ne7 8.e4 =.

4.c4 d5 5.c5 a5 6.d4 ab4 7.ab4 Ra1 8.Ba1 =.

4.c4 d5 5.cd5 ed5 6.e3 Bd6 7.Bd3 Nh6 8.Qc2 =.

4.c4 d5 5.e3 dc4 6.Bc4 b5 7.Bb3 a5 8.ba5 =.

4.c4 d5 5.e3 dc4 6.Bc4 Be7 7.Qg4+= Bf8 (7...Kf7 8.Nf3 b5 9.Bb3+/–) 8.Be6+/– Be6 (8...Bd7 9.Ne2+/–) 9.Qe6 Be7 10.Nf3 Nd7 (10...a5 11.ba5 Ra5 12.Bc3+/–) 11.d4 (11.d3 Nf8 12.Qg4 g6+–) 11...Qc7 (11...Nf8 12.Qg4+/–) 12.Nc3+– Qd6 13.Qd6 Bd6 14.b5 (14.Ne4 Ke7+/–) 14...Ne7 (14...Rb8 15.Ke2+–) 15.bc6 bc6 16.Ne4 Bc7 17.0–0 (17.Rb1 Nd5+–) 17...Rb8+/– 18.Bc3 (18.Rab1 h6+–) 18...Nd5 19.Bd2 (19.Bb4 Kd8+/–) 19...Rb2 (19...Kd8!?+/–) 20.Rfc1+– 0–0 (20...f5 21.Neg5 N7f6+–) 21.Rc6 Bb8 (21...f5 22.Nc3 N7f6 23.Rc1+–) 22.Rac1 (22.Nc3 Ne7 23.Rc4 Nb6+–) 22...Ne7 (22...f5 23.Nc3 N7f6 24.Rc5+–) 23.Re6 (23.R6c2 Rc2 24.Rc2 Rd8+–) 23...Nf5 (23...Nd5 24.Nc3 Kf7 25.Rc6+– (25.Nd5?! Ke6 26.e4 Bd6+/–)) 24.Bb4 Rf7 (24...Rd8+–) 25.Re8 Nf8 (25...Rf8 26.Bf8 Kf7 27.Rb8 Nb8 28.Bb4+–) 26.Rb8 1–0. Wall,Bill – Acura, internet, 2001.

4.c4 Be7 5.Nc3 (5.e3 d5 6.Nc3 Nh6 7.Qh5 Nf7 8.d4=; 5.d4 a5 6.ba5 Qa5 7.Bc3 Qa4 8.Qa4=; 5.e4 d5 6.Bd3 dc4 7.Bc4 b5 8.Qg4+=; 5.Nf3 d5 6.e3 a5 7.b5 Nh6 8.Nc3+=) 5...d6 6.d4 e5 7.e3 a5 8.b5 +=.

4.c4 Nh6 5.e4 (5.e3 d5 6.d4 Bd6 7.Qh5 Nf7 8.Nd2=; 5.d4 d5 6.e3 Bd6 7.Qh5 Nf7 8.Nc3=; 5.Nc3 d5 6.e3 Bd6 7.Qh5 Nf7 8.Nf3=; 5.Nf3 d5 6.e3 dc4 7.Bc4 b5 8.Bb3=) 5...d5 6.Qh5 Nf7 7.ed5 ed5 8.cd5 +=.

4.e3 a5 5.b5 (5.Bd3 Nh6 6.b5 e5 7.f4 ef4 8.Qh5+=; 5.ba5 Ra5 6.d4 d5 7.Bd3 Nh6 8.c4=; 5.Qh5 g6 6.Qh4 d5 7.Nf3 ab4 8.ab4=; 5.c3 d5 6.b5 e5 7.d4 Nd7 8.c4=) 5...d5 6.c4 Bd6 7.d4 dc4 8.Bc4 +=.

4.e3 Qb6 5.Nf3 (5.Nc3 a5 6.b5 Nh6+/–) 5...c5 (5...a5 6.b5+/–) 6.b5 (6.bc5 Bc5 (6...Qb2? 7.Nc3+–) 7.Nc3 Nh6+/– (7...Qb2? 8.Na4 Qa1 9.Qa1+–)) 6...a6 7.a4 (7.Nc3+/–) 7...g6 (7...ab5 8.ab5 Ra1 9.Ba1+/–) 8.c4 (better is 8.Nc3+–) 8...Ne7?? (8...ab5 9.ab5 Ra1 10.Ba1+/–) 9.d4 (better is 9.Bf6!? Rg8 10.Nc3 Bg7 11.Bg7 Rg7+–) 9...Qa5? (better is 9...Bg7 10.a5 Qc7 11.dc5 ab5+–) 10.Bc3+– Qc7 11.a5?? (better is 11.d5!? ed5 12.Bf6 Rg8+–) 11...ab5 (11...Bg7 12.dc5 Qc5 13.Qd2+/–) 12.cb5 (better is 12.d5!? ed5 13.cd5+–) 12...cd4 (12...Nd5 13.Bd2+/–) 13.b6 Qc5? 14.Qd4?? Nec6?? Now all is on a5 15.Qc5 Bc5= 16.Bf6 0–0 17.Bc3 d5 18.Bd3 d4?? 19.ed4+– Bb4 20.Bb4 Nb4 21.Be4 N8c6 22.0–0 Na5 23.Nfd2 Nbc6?? 24.Nb3! Rf4?? 25.Bc6 bc6 26.Ra5 Ra5 27.Na5 Rd4 28.Nc6 Rd7 29.Ne5 Rb7 30.Nc4 Rd7 31.Nbd2 e5 32.Ra1 Rd4 33.Ra8 Rd8 34.b7 Rd2 35.Nd2 Kg7 36.bc8Q h5 37.Qh8 Kf7 38.Ra6 g5 39.Qh7 Kf8 40.Ra8# 1–0. Trkn – russell dunn, itsyourturn.com, 2000.

4.e3 d5 5.d4 (5.Bd3 Ne7 6.Nf3 e5 7.Be2 Nf5 8.0–0=; 5.f4 Nd7 6.Nf3 Bd6 7.Nd4 e5 8.Ne6=; 5.Be2 Bd6 6.Nf3 Ne7 7.0–0 0–0 8.d4=; 5.Nf3 e5 6.Be2 a5 7.ba5 Qa5 8.0–0=) 5...a5 6.b5 Ne7 7.c4 cb5 8.cd5 =.

4.e3 e5 5.d4 (5.Bd3 Nh6 6.f4 Qe7 7.fe5 fe5 8.Qh5=; 5.f4 ef4 6.ef4 Qe7 7.Kf2 a5 8.b5=) 5...e4 6.d5 d6 7.Nc3 Qe7 8.dc6 +=.

4.e3 Nh6 5.d4 (5.Be2 d5 6.Nf3 Bd6 7.0–0 0–0 8.d4=; 5.Nf3 d5 6.Be2 Bd6 7.0–0 0–0 8.d4=; 5.e4 d5 6.e5 fe5 7.Be5 Nd7 8.Nf3=; 5.Qh5 g6 6.Qh4 Bg7 7.e4 d5 8.d4=) 5...d5 6.c4 Bd6 7.Qh5 Nf7 8.Nc3 =.

4.e4 a5 5.b5 (5.ba5 d5 6.Qh5 g6 7.Qe2 de4 8.Qe4=) 5...d5 6.Qh5 g6 7.Qe2 de4 8.Qe4 +=.

4.e4 a6 5.d4 (5.Nf3 b5 6.d4 a5 7.c3 ab4 8.ab4+=; 5.Qh5 g6 6.Qe2 b5 7.Nf3 a5 8.ba5+=; 5.Bd3 e5 6.Nc3 b5 7.Nf3 d5 8.0–0=; 5.Nc3 d5 6.ed5 cd5 7.Bd3 Ne7 8.Nf3=) 5...b5 6.Bc3 d5 7.Bd3 f5 8.e5 +=.

4.e4 Na6 5.Nc3 Nh6 6.Bd3 Bd6 7.Qh5 Kf8 (7...Nf7!?+/–) 8.Nge2+– Nf7 9.f4 g6 10.Qh4 h6 (10...b5 11.0–0+–) 11.0–0 g5 12.Qh5 f5?? (12...Bc7+–) 13.ef5 e5 14.Ne4 Be7 (14...Bc7 15.fe5 Be5 16.Be5 Ne5+–) 15.fe5 Ne5 (15...Qe8 16.e6 Ne5 17.Qe8 Ke8 18.Be5 d5 19.Bh8 de4 20.Be4 Bd6+–) 16.Be5 Rh7 17.f6 Bf6 18.Rf6 Ke7 (18...Kg8 19.Rg6 Kf8 20.Rf1 Qf6 21.Bd6 Re7 22.Rff6 Ke8 23.Rg8) 19.Bd6 1–0. pierred – anony, internet, 2015.

4.e4 d5 5.Nc3 a5 6.b5 Nd7 +=.

4.e4 d5 5.Nc3 d4 6.Na2 a5 7.Nf3 e5 8.c3 =.

4.e4 d5 5.Bd3 a5 6.b5 cb5 7.Bb5 Bd7 8.Bd7 +=.

4.e4 d5 5.ed5 ed5 6.Bd3 Qe7 7.Ne2 a5 8.0–0 =.

4.e4 d5 5.Qe2 de4 6.Qe4 Ne7 7.Nf3 a5 8.b5 =.

4.e4 d5 5.e5= a5 6.b5 cb5 7.Bb5 Bd7 8.Be2 +=.

4.e4 d5 5.Qh5 g6+= 6.Qh4 Nd7 (6...Bg7 7.Nc3+=) 7.ed5 (7.Nf3 Bg7+=) 7...ed5 8.f4 (8.Nf3 Bg7 9.Bd3 Nh6=) 8...Qe7 (8...Nh6 9.Bd3=) 9.Kf2 Bg7 (9...Qd6 10.Bd3 Ne7 11.Nf3+=) 10.Nc3 g5 (10...Qd6 11.Nf3 Ne7+=) 11.Qg3 (11.Qh5 Qf7 12.Re1 Ne7 13.Be2+=) 11...Nh6? (better is 11...gf4!? 12.Qf4 Ne5=) 12.Re1+/– Ne5 13.fe5 fe5 14.Ne4?? (14.Nf3 0–0 15.Kg1 e4+/–) 14...Nf5?? (better is 14...Ng4 15.Ke2 de4–+) 15.Qg5+= 0–0 16.Qe7 Ne7 17.Ke3?? d4?? 18.Ke2 Bg4 19.Kd3 Nd5 20.g3 b6 21.Bg2 b5 22.Ne2?? a5 23.Rhf1 ab4= 24.Rf8 Rf8 25.c4 bc4 26.Kc4+/– ba3? 27.Ba3+– Ra8 28.Ra1?? Be2–+ 29.Kc5 Ra5 30.Kc6 Ne7?? 31.Kb6= Ra6 32.Kb7 Nc6 33.Bb2 Ra1 34.Ba1= Na5 35.Kc7 Nc4 36.Kc6 Na5 37.Kd7 Bg4 38.Kc7 Nb3 39.Bb2 d3 40.Bc3 Nd4+= 41.Bd4 ed4 42.Nf2 h5 43.Ng4 hg4= 44.Kd6 Bh6 45.Kd5 Bd2 46.Kd4 1–0. Trkn – Mario, itsyourturn.com, 2000.

4.e4 d6 5.Be2 (5.d4 f5 6.ef5 ef5 7.Qh5 g6 8.Qe2+=; 5.Nc3 d5 6.ed5 ed5 7.Qh5 g6 8.Qe2=; 5.Nf3 Ne7 6.Be2 d5 7.e5 Ng6 8.0–0+=; 5.Bd3 e5 6.Nf3 a5 7.b5 d5 8.0–0+=) 5...e5 6.d4 ed4 7.Bd4 a5 8.b5 +=.

4.e4 e5 5.c4 (5.d4 ed4 6.Bd4 a5+= 7.b5 d5 8.ed5+=; 5.Nc3 d5 6.d4 a5 7.b5 ed4 8.Qd4+=; 5.Qf3 a5 6.b5 d5 7.d4 ed4 8.ed5+=) 5...Ne7 (5...a5 6.b5 (6.ba5 Bc5 7.Nf3= Ne7 8.Bc3=) 6...cb5 7.cb5 d5 8.ed5=) 6.Nf3 (6.d4 d6+= 7.Nf3 Qb6 8.Bc3+=) 6...Ng6 (6...d5 7.ed5 cd5 8.d4+=) 7.Be2 (7.d4 ed4 (7...d5 8.de5 de4 9.Qd8 Kd8 10.ef6 ef3 11.fg7 Bg7 12.Bg7 Re8 13.Kd2 fg2 14.Bg2 Be6+/–) 8.Bd4+=) 7...d6 (7...d5 8.ed5 cd5 9.0–0+=) 8.Qc2 (8.d4 Be7+=) 8...Be7 (8...Nf4 9.Bf1=) 9.Nc3 (9.d4 0–0+=) 9...Nf4= 10.0–0 Ne2 (10...Bg4 11.d4=) 11.Ne2+= Be6 12.d4 ed4 (12...0–0 13.Qd3+=) 13.Ned4+/– Bf7 14.Nf5 Bf8 (14...0–0!?+/–) 15.Rad1+– g6 (15...Qc7 16.Rd2+/–) 16.Ne3 (16.Nd6 Bd6 17.e5 fe5 18.Be5 0–0+–) 16...Be7? (better is 16...Qe7!?+/–) 17.e5! 0–0? (17...de5 18.Rd8; 17...fe5 18.Be5) 18.ef6 Bf6 19.Be5 (better is 19.Ng4 Be6 20.Nf6 (worse is 20.Bf6 Rf6 21.Nf6 Qf6+–) 20...Rf6 21.Qc3+– (worse is 21.Bf6 Qf6 22.Rd6 Na6+–)) 19...Be5+/– 20.Ne5 Be8 (20...Qe7 21.Nf7 Rf7 22.Qd2+–) 21.Qd3 Rf6 22.N3g4 (22.c5 d5+/–) 22...Re6 23.Rfe1 (23.Nh6 Kg7 24.Neg4 Nd7+/–) 23...Nd7 (better is 23...Qh4 24.Nh6 Qh6+=) 24.Nh6 Kg7 25.Neg4 Re1 26.Re1 Nf6 27.Qd4 Bf7 28.Re4 (28.Nf7?! Kf7 29.Rd1 Ng4 30.Qg4 a5+/–) 28...c5 29.Qc3 d5 30.cd5 (better is 30.Nf7!? Kf7 31.Rf4 d4+–) 30...Bd5?? (30...cb4 31.Qa1 b3 32.Nf7 Kf7+–) 31.Re8!! (31.Re8 Qd6 32.bc5+–) 1–0. tightfist (2095) – bigal (2135), net–chess.com, 2007.

4.e4 Ne7 5.Nc3 d5 6.Bd3 d4 (6...a5 7.Qh5 g6 8.Qh4 ab4 9.ab4 Ra1 10.Ba1 Bg7; 6...de4 7.Ne4 Ng6 8.Nh3 Be7 9.Bc4 Nd7 10.Be6 Nde5; 6...Ng6 7.ed5 Nf4 8.Nh3 Nd3 9.cd3 cd5 10.0–0 Bd6) 7.Nce2 e5 (7...c5 8.Nf3 Nbc6 9.bc5 e5 10.Rc1 Ng6) 8.f4 Nd7 (8...Bg4 9.h3 Bh5 10.Nf3 Bf3) 9.Nf3 b5 (9...Ng6 10.0–0 Bd6) 10.a4 a6 (10...ba4 11.Ra4 c5 12.fe5 fe5 13.c3+=; 10...Ng6+–) 11.0–0 (11.ab5 Qb6 12.ba6 Qb4+/–) 11...Bb7 12.fe5 fe5 13.Ng5 c5? (better is 13...Nf6+/–) 14.Nf7 Qc7 15.bc5 (better is 15.ab5 c4 16.Bc4 ab5 17.Ra8 (17.Nh8?! Qc4 18.Nf7 Ng6+–) 17...Ba8 18.Bb5+– (18.Nh8?! Qc4 19.d3 Qb4+–)) 15...Nc5?? (better is 15...Rg8 16.Nd6 Kd8 17.ab5 Nc5 18.ba6 Qd6 19.ab7 Rb8+–) 16.Nh8 Nd3 (16...Na4 17.Ba3 Nc5 18.Nd4+–) 17.cd3 Bc8 (17...Bc6+–) 18.Qb3 (18.Qb3 Nf5 19.ef5+–) 1–0. spencer – quattro, internet, 2011.

4.e4 Nh6 5.d4 d5 6.Nd2 Bd6 7.e5 Bc7 8.Bd3 +=.

4.e4 Nh6 5.d4 d5 6.Bd3 Bd6 7.e5 Be7 8.Nf3 f5 9.Bc1 0–0 (9...Nf7!?+=) 10.Bh6+/– gh6 11.0–0 Kh8 12.Nbd2 Qb6 13.Nb3 Rg8 14.Qd2 Bd7 15.Qh6 Rg6 16.Qh3 Na6 17.Ba6 (17.Kh1 Rag8+–) 17...Qa6+/– 18.Ne1 Rag8 19.Nc5 Qc4? (better is 19...Bc5 20.bc5 b6+/–) 20.Nd7+– Qd4 21.Rb1 Rd8 22.Nc5 b6 23.Ncd3 a5 24.ba5 b5 25.Qf3 (25...Ba3 26.Nf4+–) 1–0. b4_player (2215) – walkwt, GameColony.com, 2003.

4.e4 Nh6 5.Qe2 d5 6.Nf3 de4 7.Qe4 a5 8.b5 =.

4.e4 Nh6 5.Be2 d5 6.ed5 ed5 7.Nf3 Bd6 8.0–0 =.

4.e4 Nh6 5.Nf3 d5 6.e5 Nf7 7.d4 fe5 8.de5 =.

4.e4 Nh6 5.Qh5 Nf7 6.d4 d5 7.Nd2 b5 8.Bc3 =.

4.Nf3 a5 5.ba5 (5.b5 cb5 6.e4 b4 7.Bb5 Nc6 8.0–0=) 5...Ra5 6.e4 d5 7.ed5 ed5 8.Bd3 =.

4.Nf3 b5 5.e3 (5.e4 a5 6.a4 ab4 7.ab5 Ra1 8.Ba1=; 5.c3 a5 6.e4 ab4 7.ab4 Ra1 8.Ba1=; 5.Nc3 a5 6.ba5 Ra5 7.e4 d5 8.d4=; 5.Bc3 e5 6.e3 d5 7.a4 ba4 8.Ra4=) 5...d5 6.a4 Bb4 7.ab5 a6 8.Nd4 =.

4.Nf3 d5 5.Nc3 (5.e3 e5 6.Be2 a5 7.ba5 Qa5 8.Bc3=; 5.d4 a5 6.ba5 Qa5 7.Bc3 Qa4 8.e3=) 5...e5 6.e4 d4 7.Na2 a5 8.c3 =.

4.Nf3 e5 5.e4 (5.e3 d5 6.Be2 a5 7.b5 e4 8.Nd4=; 5.c4 d5 6.cd5 cd5 7.e3 a5 8.Qa4=; 5.Nc3 d5 6.e4 d4 7.Na2 a5 8.Ne5=; 5.d4 e4 6.Nfd2 d5 7.c4 Bd6 8.e3=) 5...d5 6.ed5 cd5 7.Bb5 Nc6 8.0–0 =.

4.Nf3 Ne7 5.e4 g6? (better is 5...d5 6.e5 Ng6=) 6.Bf6+– Rg8 7.d4 Bg7 8.Bg7 Rg7 9.Bd3 d5 (9...d6 10.e5+–) 10.0–0 Nd7 11.Nbd2 (11.Qd2 de4 12.Be4 a5+–) 11...Qc7 (11...g5 12.ed5 ed5 13.Re1+–) 12.c4 b6 (12...g5 13.e5+–) 13.Ng5 Nf6 14.e5 Nfg8 15.Rc1 Nf5 16.Ngf3 Bd7 17.b5 0–0–0 (17...Nge7 18.cd5 Nd5 19.Ne4+–) 18.cd5 ed5 19.e6 (19.bc6 Bc6 20.Bb5 Nge7+–) 19...Be8 20.bc6 Bc6 (20...Re7 21.Qc2+–) 21.Ba6 Kb8 22.Re1 Qe7 23.Rc6 Nf6 24.Qb3 Nd6 25.a4 Nfe4 26.a5 Nd2 27.Nd2 Nb7 28.ab6 Rc8 29.Rc8 Kc8 30.ba7 Kc7 31.Qb7 Kd6 32.Qb6 1–0. market (1775) – abelola (1610), GameColony.com, 2002.

3.a3 Nc6

4.b5 Nb8 5.e3 c6 6.c4 cb5 7.cb5 Qb6 (7...d5 8.Nc3+=) 8.d4 d6 9.Nc3 Bd7 10.Nf3 a6 11.a4 Ne7 12.a5 Qc7 (12...Qd8 13.d5+/–) 13.b6+/– Qc6 (13...Qc8 14.Bd3+/–) 14.e4 (14.Rc1!?+–) 14...d5+/– 15.e5 f5? (15...Ng6 16.h4+=) 16.Bd3 (16.Rc1 g6+–) 16...g6 (16...Ng6 17.0–0+/–) 17.Ng5 (better is 17.Rc1!?+–) 17...Bh6 18.Nh3 0–0 19.0–0 Be8 20.f4 Nd7 (20...Qc8 21.Qe1 Bg7 22.Qh4+–) 21.g4 Qc8 22.gf5 gf5 23.Ng5 Bg5 24.fg5 Ng6 25.Ne2 Rf7 26.Rc1 Qd8 27.Ba3 Rc8 28.Qb3 Nb8 29.Ng3 Nc6=+ 30.Ba6?? ba6–+ 31.b7 Rcc7 32.Rc6–/+ Bc6?? 33.b8Q+– Qb8 34.Qb8 Nf8 35.Bf8 Rb7 36.Qd6 Rf8 37.Qc6 Rg7 38.Qe6 Kh8 39.Rf5 Rfg8 (40.Qf6 Rb8 41.Nh5 Rbb7 42.Ng7 Rb1 43.Rf1 Rf1 44.Kf1 Kg8 45.Ne6 h5 46.Qg7; 39...Rd8 40.Qf6 Rb8 41.Nh5 Rbb7 42.Ng7 Rb1 43.Kg2 Rb2 44.Rf2 Rf2 45.Kf2 Kg8 46.Ne6 h5 47.Qg7). kamera – on_free, GameColony.com, 2002.

4.b5 Nb8 5.e4 a6 6.c4 ab5 7.cb5 c6 (7...d5 8.Qh5 g6 9.Qe2=) 8.Nc3+= cb5 (8...Qb6 9.Nf3+=) 9.Qh5 (9.Nb5 Nh6+=) 9...g6 10.Qb5 Ra5 11.Qb3 Re5 (11...d5 12.Nf3+=) 12.Nf3 Ra5 13.Bb5 Ne7 14.0–0 Nbc6 15.d4 (better is 15.Rfe1+/–) 15...Qb6? (15...d5!?+/–) 16.a4 (better is 16.d5+–) 16...Nd4?? (better is 16...Kf7+–) 17.Nd4 (better is 17.Bd7 Bd7 18.Qb6 Nf3 19.gf3 Ra6 20.Qb7 Bc8+–) 17...Qd4 (17...Kf7 18.Ne6 Qe6+–) 18.Rad1 (18.Nd5 Qa7 19.Nf6 Kd8 20.Rfd1+–) 18...Qa7 19.Bd7?? Bd7= 20.Rd7 Kd7 21.Rd1 Ke8–/+ 22.Nb5 Qb8?? 23.Nd6+– Kd8 24.Nb7 Kc7 25.Na5 Qb3 26.Nb3 Bh6? 27.Bf6 Nc6 28.Nc5 Rb8 29.Ne6 Kb6 30.Rb1 Ka7 31.Rb8 Nb8 32.Ng5 Bf8 33.e5 Bb4 34.e6 Nc6 35.f4 Ne7 36.g4 Nd5 (37.Nh7 Bc5 38.Kh1 Nf4+–). kamera – NN, GameColony.com, 2002.

4.Nc3 A) 4...Nge7 5.e4 (5.d4 d6 6.Nf3 d5 7.e4 Ng6 8.Bd3+=; 5.e3 d5 6.b5 Ne5 7.d4 Nf7 8.Nf3=; 5.b5 Ne5 6.e4 d5 7.d4 Nf7 8.Bd3+=; 5.Nf3 d5 6.d4 a6 7.e4 Ng6 8.Bd3+=) 5...d5 6.d4 de4 7.Ne4 a6 8.Nf3+=; B) 4...Nh6 5.d4 (5.e3 d5 6.Nf3 Bd6 7.e4 d4 8.Nb5=; 5.e4 Bd6 6.Qh5 Nf7 7.Nf3 g6 8.Qh3+=; 5.Nf3 d5 6.d4 Be7 7.e4 0–0 8.Bd3+=) 5...d5 6.e4 f5 7.e5 Bd7 8.Nf3+=; C) 4...e5 5.e4 d6 6.Nf3 f5 7.Bb5 Nge7 8.0–0+=; D) 4...d5 5.d4 (5.e3 e5 6.Bb5 a6 7.Ba4 Nge7 8.Qh5=; 5.Nf3 d4 6.Ne4 Qd5 7.Ng3 a5 8.c3=; 5.e4 d4 6.Nb1 e5 7.Bc4 Nh6 8.Nf3=; 5.b5 Na5 6.e3 Nh6 7.Rb1 Nf7 8.Nf3=) 5...e5 6.e4 Nd4 7.Nd5 c6 8.Ne3=.

4.c4 a6 5.Nf3 Be7 6.d4 Nh6 7.e3 0–0 8.Bd3 b6 9.Qc2 g6 (9...f5 10.d5 Nb8 11.0–0+=) 10.Nbd2 d6 11.d5 ed5 12.cd5 Ne5 13.Ne5 de5 14.0–0 Kg7 15.Bc4 Bb7 16.e4 b5 17.Bd3 c6 18.dc6 Rc8 19.Rac1 Rc6 20.Qb1 Rd6 21.Nb3?? (better is 21.Rc3+=) 21...Rd3–+ 22.Nc5 Bc5 23.Rc5 Rd7 (23...Be4 24.Qa1–+) 24.Rfc1 (24.f3 Nf7–+) 24...Qa8 (better is 24...Be4 25.Qa1 Nf7 26.a4–+) 25.f3 Nf7 26.Qa2 Qa7 27.Qe6 Ba8 28.f4 Re7 29.Qg4 Be4 30.fe5 Bf5 31.ef6 Kg8 32.Qd4 Rd7 33.Qf2 Re8 34.h3 Ng5 35.Rf5? Qf2?? 36.Rf2+/– Kf7 37.Rfc2 Ne4 38.Rc7 Red8 39.Rd7 Rd7 40.Rc6 Rd6 41.Rc7 Ke6?? 42.f7 Rd8?? 43.Bg7+– Ng5 44.f8Q Rf8 45.Bf8 Nf7 46.Rc6 Kd7 47.Ra6 1–0. Fournier,Frederic (1785) – aixorai, Active, 2011.

4.d4 A) 4...Nh6 5.e4 (5.Nd2 d5 6.e4 Nf7 7.Ngf3 Bd6 8.Bd3+=; 5.b5 Ne7 6.Nf3 d5 7.Bc1 Nf7 8.e3=; 5.Nc3 d5 6.e4 de4 7.Ne4 a6 8.Nf3+=; 5.Nf3 d5 6.e3 Nf5 7.Bd3 Bd6 8.Nc3+=) 5...d5 6.Bd3 Bd6 7.Nf3 0–0 8.0–0+=; B) 4...d5 5.b5 (5.Nd2 e5 6.de5 Ne5 7.e4 Qe7 8.Ngf3=; 5.Nf3 Bd7 6.e3 a5 7.b5 Na7 8.c4=; 5.e3 Bd6 6.Bd3 Nh6 7.Nf3 e5 8.c4=; 5.Nc3 e5 6.e4 Nd4 7.Nd5 c6 8.Ne3=) 5...Nce7 6.Nd2 Ng6 7.e4 Nh6 8.Ngf3+=.

4.e3 d5 5.d4 (5.Nf3 e5 6.Be2 Bd6 7.0–0 Be6 8.d4=; 5.Bd3 Nh6 6.f4 Bd6 7.Qh5 Nf7 8.Nc3=; 5.Nc3 e5 6.d4 Be6 7.Bb5 a5 8.ba5=; 5.Bb5 a5 6.ba5 Bd7 7.a6 ba6 8.Bd3=) 5...Bd6 6.Nf3 Nge7 7.c4 dc4 8.Bc4 +=.

4.e3 d6 5.d4 (5.Bd3 Nh6 6.Nf3 e5 7.0–0 d5 8.e4+=; 5.Nf3 e5 6.d4 e4 7.Nfd2 f5 8.d5+=; 5.Nc3 e5 6.Bb5 Nge7 7.Nf3 a6 8.Bc6=; 5.b5 Nce7 6.Nf3 d5 7.d4 a6 8.Nbd2+=) 5...e5 6.Bb5 Bf5 7.d5 a6 8.Ba4 +=.

4.e3 e5 5.Nc3 d5 6.d4 Be6 7.Bb5 a5 8.ba5 =.

4.e3 e5 5.Bd3 Nh6 6.f4 d5 7.b5 e4 8.bc6 +=.

4.e3 e5 5.d4 ed4 6.ed4 d5 7.Bd3 Nh6 8.Nf3 +=.

4.e3 e5 5.e4 d6 6.Nf3 f5 7.ef5 Bf5 8.Bb5 =.

4.e3 e5 5.Nf3 d5 6.Be2 Bd6 7.0–0 Nge7 8.d4 =.

4.e3 e5 5.Nf3 d6 6.d3 Bg4 7.Be2 Nge7 8.Nbd2 Ng6 9.h3 Bh5?? (9...Be6 10.0–0=) 10.0–0?? (10.g4!? Bg4 11.hg4 Qd7+–) 10...Be7? (10...f5 11.Ne5 Be2 12.Nc6 Bd1 13.Nd8 Bc2 14.Ne6+=) 11.c4 (11.g4 Bg4 12.hg4 Qd7+–) 11...0–0? (11...f5 12.Ne5 Be2 13.Nc6 Bd1 14.Nd8+/–) 12.Nh2?? (better is 12.g4 Bg4 13.hg4+–) 12...Be2= 13.Qe2 f5 14.Nhf3 f4 15.Ne4 Nh4 16.Nh4+= Bh4 17.ef4 Rf4? 18.f3?? Rf8 19.Rad1 Ne7 20.d4 ed4 21.Bd4 Nf5 22.Bf2 Qd7 23.Bh4 Nh4 24.Qf2 Nf5 25.Qd2 Rae8 26.Rfe1 Qf7 27.Qd5 Kh8 28.Qf7 Rf7 29.Kf2 c6? 30.Nd6+– Re1?? 31.Ke1 Re7 32.Kf2 h6?? 33.Nf5 (33.Nf5 Rc7 34.Rd8 Kh7 35.Nd6+–) 1–0. Fournier,Frederic – santijack, Active (5/0), 2005.

4.e3 Nge7 5.Nf3 Nd5 6.c4 Nde7 7.d4 Ng6 8.Bd3 Qe7 9.Nbd2 a5 10.b5 Na7 11.0–0 e5 (11...b6!?+/–) 12.de5+– fe5 13.Be4 (better is 13.Bg6 hg6 14.Ne5+–) 13...c6? (13...d6 14.Nb3 Rb8 15.Na5+–) 14.a4 (14.b6 d6+–) 14...d6 (14...b6+–) 15.b6 Bg4 16.ba7 Ra7 17.h3 Bf3 18.Nf3 (18.gf3?! Ra8+–) 18...Nh4 19.Nh4 Qh4 20.Qf3 (20.f4 Ra6+–) 20...Be7 21.Rfd1 (21.Qf5!? Ra8+–) 21...Rf8 22.Qg3?? (better is 22.Qg4 Qg4 23.hg4+–) 22...Qe4+= 23.Rac1 (23.c5 dc5 24.Be5+=) 23...Bh4 (better is 23...b5 24.f4 bc4–+) 24.Qg7= Bf2 (24...Rf2 25.Rd6 Qe3+= (25...Rb2 26.Re6 Kd8 27.Rd1 Qd4 28.ed4 Bf2 29.Kf1 Be3 30.Rd6 Ke8 31.Qe5 Kf8 32.Qf6 Kg8 33.Rd8#)) 25.Kh1+= Qe3?? (better is 25...Qg6 26.Qg6 hg6 27.Rd6 Be3+/–) 26.Rd6 Rf7 (26...Qh3 27.gh3 b5 28.Re6 Kd8 29.Qf8 Kc7 30.Re7 Kb6 31.Qf2 c5 32.Qf6#) 27.Qg8 Rf8 28.Qe6# 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.e3 Nh6 5.Nf3 (5.Be2 d5 6.Nf3 e5 7.0–0 e4 8.Ne1=; 5.d4 d5 6.Nf3 Nf5 7.Bd3 Bd6 8.Nc3+=; 5.Nc3 d5 6.Nf3 Bd6 7.e4 d4 8.Nb5=) 5...d5 6.d4 Bd6 7.c4 dc4 8.Bc4 +=.

4.e4 d5 5.ed5 (5.Bd3 e5 6.Nf3 Be6 7.0–0 Nge7 8.Nc3=; 5.Qh5 g6 6.Qh4 de4 7.Bb5 Bd7 8.Qe4=; 5.Bb5 a5 6.ba5 Ra5 7.Qh5 g6 8.Qe2=; 5.Qf3 Nge7 6.ed5 Nd5 7.Bd3 Qd7 8.Be4=) 5...ed5 6.Bb5 a5 7.ba5 Ra5 8.Qh5 =.

4.Nf3 a6 5.e3 (5.d4 d5 6.Nbd2 g5 7.e4 g4 8.Ng1+=; 5.e4 d6 6.d4 Nge7 7.Bd3 Ng6 8.0–0+=) 5...d5 6.d4 Nh6 7.c4 Be7 8.Nc3 +=.

4.Nf3 d5 5.d4 (5.e3 e5 6.Be2 Bd6 7.0–0 Be6 8.b5=; 5.Nc3 d4 6.Ne4 Qd5 7.Ng3 a5 8.c3=; 5.b5 Na5 6.e3 e5 7.d4 e4 8.Nfd2=; 5.Ra2 e5 6.e3 Be6 7.d4 e4 8.Nfd2=) 5...Bd7 6.e3 Nh6 7.c4 dc4 8.Bc4 +=.

4.Nf3 e5 5.e4 (5.e3 d5 6.Be2 Bd6 7.0–0 Nge7 8.d4=) 5...d5 6.ed5 Qd5 7.Nc3 Qe6 8.Bd3 =.

4.Nf3 Be7 5.c4 (5.d4 d5 6.e3 Nh6 7.Bd3 0–0 8.0–0+=; 5.b5 Na5 6.e4 d5 7.e5 Bd7 8.Nc3=; 5.e3 d5 6.d4 Nh6 7.Bd3 Bd7 8.0–0+=; 5.e4 Nh6 6.d4 0–0 7.d5 ed5 8.Qd5+=) 5...Nh6 6.d4 0–0 7.e3 d6 8.Bd3 +=.

4.Nf3 Nge7 5.b5 Nb8 6.e4 d5 7.e5 Ng6 8.c4 =.

4.Nf3 Nge7 5.c4 d6 6.b5 Na5 7.e3 b6 8.Nc3 Bb7 9.Bd3 c6 10.0–0 cb5 11.cb5 Bf3 12.Qf3 (12.gf3?! d5=) 12...d5 13.Rfe1 Nb3 14.Rad1 Nc5 15.Bc2 Nf5? (better is 15...f5+/–) 16.Bf5 Qe7?? (16...ef5 17.d3 Qd7 18.Nd5 Rc8+–) 17.Bc2 (17.d4 g6 18.dc5 gf5 19.Nd5 ed5 20.Qd5 Rd8 21.Qd8 Qd8 22.Rd8 Kd8 23.Bf6 Kc8 24.Bh8 Bc5+–) 17...0–0–0 (17...Nb7 18.d4 f5 19.Rc1+–) 18.d4 Nb7 19.e4 h5 20.ed5 Rd6 21.Re2 Nd8 22.Bb3 Kd7 23.Rde1 Rh6 24.de6 Kc7 25.Nd5 Rd5 26.Qd5 Qd6 27.Qd6 Bd6 28.e7 (28.e7 Rh8 29.e8Q Re8 30.Re8+–) 1–0. Gonzalez,Roberto Enrique – Huseby,Juan Carlos, 65. LSS No Engine Cup Preliminary, 2012.

4.Nf3 Nge7 5.d4 d5 6.Nbd2 Qd7 7.e4 Ng6 8.c4 +=.

4.Nf3 Nge7 5.e3 e5 6.Be2 d5 7.d4 e4 8.Nfd2 +=.

4.Nf3 Nge7 5.e4 d5 6.e5 Ng6 7.ef6 gf6 8.b5 =.

3.a3 d5

4.Nc3 A) 4...d4 5.Ne4 (5.Na2 a5 6.e4 de3 7.fe3 e5 8.Bc4=; 5.Na4 e5 6.e3 Qd7 7.c4 Nc6 8.Nf3=; 5.Nb1 a5 6.b5 e5 7.Nf3 Be6 8.c3=) 5...a5 6.Nf3 e5 7.c3 ab4 8.ab4=; B) 4...e5 5.Nf3 (5.e3 a5 6.b5 Be6 7.d4 Bd6 8.Nge2=; 5.e4 d4 6.Na4 Qd7 7.c3 d3 8.c4=; 5.d4 e4 6.e3 c6 7.f3 f5 8.fe4=) 5...d4 6.Ne4 a5 7.c3 ab4 8.ab4=; C) 4...c5 5.b5 (5.bc5 Bc5 6.e3 Nc6 7.Bd3 Nh6 8.Qh5=; 5.e4 cb4 6.ab4 Bb4 7.ed5 Bc3 8.Bc3=) 5...d4 6.Ne4 Qd5 7.Ng3 c4 8.Nf3=; D) 4...Ne7 5.d4 (5.e4 d4 6.Nce2 e5 7.c3 dc3 8.dc3=; 5.e3 e5 6.Nf3 a5 7.b5 Ng6 8.Be2=; 5.Nf3 e5 6.e4 d4 7.Na4 Ng6 8.c3+=; 5.Rb1 e5 6.e3 a5 7.b5 Be6 8.Nf3=) 5...e5 6.e4 ed4 7.Qd4 Nbc6 8.Bb5+=; E) 4...a5 5.b5 (5.ba5 Ra5 6.e3 e5 7.Nf3 Bd7 8.d4=) 5...e5 6.e3 Be6 7.Be2 Bd6 8.d4=.

4.c4 a5 5.b5 (5.Qa4 Nd7 6.e3 c6 7.c5 b5 8.cb6+=; 5.cd5 ed5 6.b5 Bg4 7.Qc2 Bd6 8.Nc3=; 5.ba5 d4 6.e3 de3 7.fe3 Nh6 8.d4=; 5.c5 ab4 6.ab4 Ra1 7.Ba1 Nc6 8.Qb3=) 5...Nd7 6.cd5 ed5 7.e3 Ne7 8.Nf3 =.

4.c4 c5 5.bc5 (5.cd5 cb4 6.e4 ba3 7.Na3 ed5 8.Qh5=; 5.b5 a6 6.e3 ab5 7.cd5 ed5 8.Bb5=; 5.Qb3 Nc6 6.bc5 Na5 7.Qb4 Nc4 8.e3=) 5...dc4 6.e4 e5 7.Bc4 Bc5 8.Qb3 =.

4.c4 c6 5.e3 (5.c5 b6 6.d4 a5 7.Nc3 ab4 8.ab4=; 5.Qc2 a5 6.b5 cb5 7.cb5 Bd6 8.Nf3=; 5.Qb3 dc4 6.Qc4 b5 7.Qc3 a5 8.e4+=; 5.cd5 ed5 6.e3 Bd6 7.Bd3 Nh6 8.Qc2=) 5...dc4 6.Bc4 b5 7.Bb3 a5 8.ba5 =.

4.c4 d4 5.Qb3 Nc6 6.e3 e5 7.c5 Bf5 8.Bc4 =.

4.c4 d4 5.c5 e5 6.Qc2 a5 7.e3 ab4 8.ab4 =.

4.c4 d4 5.e3 de3 6.fe3 Nh6 7.d4 a5 8.b5 =.

4.c4 d4 5.e3 e5 6.ed4 ed4 7.Nf3 c5 8.Bd3 b6?? 9.Qc2 Bb7 10.Bh7 Ne7 11.Bg6 Ng6 12.Qg6 Ke7 13.0–0 Rh6 14.Re1 Kd6 15.Qg3 Kd7 16.Qg4 Kc7 17.d3 Bf3? 18.Qf3+/– Nc6 19.bc5 Bc5 20.Nd2 Qd6 21.Qg3?? Ne5?? 22.Ne4 Qe7?? 23.Nc5 bc5 24.f4 Rg6 25.Qf2 Rf8 26.g3 Qd6 27.fe5 fe5 28.Qg2 Rf5 29.Rf1 Rgf6 30.Rae1 g6 31.Bc1 Rf1 32.Rf1 Rf1 33.Qf1 Qe6 34.Bd2 Kd6 35.Qf8 Kc6 36.Qa8 Kb6 37.a4 Ka6 38.Qe4 Qf6 39.Kg2 g5 40.h3 g4 41.hg4 Qd6 42.g5 Qe6 43.g6 Qf6 44.g7! Qg7 45.Qc6 1–0. orangutanb4 (1995) – unejam (1640), kurnik, 2011.

4.c4 d4 5.e4 e5 6.c5 b6 7.cb6 ab6 8.Bc4 =.

4.c4 d4 5.Nf3 e5 6.c5 Nc6 7.Qc2 Bg4 8.b5 =.

4.c4 Nd7 5.cd5 (5.e3 dc4 6.Bc4 Nb6 7.Bb5 c6 8.Be2=; 5.Nf3 dc4 6.e4 Nb6 7.Qc2 e5 8.Bc4=; 5.d3 dc4 6.dc4 a5 7.b5 Bd6 8.e4=; 5.c5 a5 6.Qa4 Nh6 7.e3 Be7 8.d4=) 5...ed5 6.e3 Ne7 7.Nf3 a5 8.b5 =.

4.d3 a5 5.b5 a4 6.e3 Bd7 7.c4 b6 8.Nc3 Nh6 9.Na4 dc4 10.dc4 Bd6 11.Nc3 0–0 12.Bd3 e5 13.Qc2 g6? 14.Ne4 Bf5 15.Nd6 cd6 16.Bf5 Nf5 17.Nf3 Nd7 18.Rd1 Nc5 19.0–0 Qe7 20.Qd2 Rfd8 21.Qd5 Kg7 22.Qc6 Qb7 23.Qb7+/– Nb7 24.Rd5 Rac8 25.Rc1 Rc5 26.Rc5 dc5 27.Kf1 Nfd6+/– 28.Ke2 Na5 29.Nd2 Kf7 30.f3 Ke6 31.f4 ef4 32.ef4 Nf5 33.Ne4 Nd4 34.Bd4 Rd4 35.Ke3 Rc4 36.Rd1 f5 37.Ng5= Ke7 38.Nh7 Rc3 39.Rd3 Nc4–/+ 40.Ke2 Rd3 41.Kd3 Na3 42.h3 Nb5–+ 43.g4 fg4 44.hg4 Nd6 45.Ng5 b5 46.Nf3 b4 47.Ne5=+ g5 48.fg5 Ke6 49.Nc6 c4 50.Kc2 b3 51.Kc3 Kd5 52.Nb4?? Ke4?? 53.g6+= Ne8 54.g5 Kf5 55.Kc4?? b2–+ 56.Nc6 b1Q 57.Nd4 Kg6 58.Kd5 Kg5 59.Ne6 Kf6 60.Nd4 Nc7 61.Kc4 Kg5 62.Ne6 Kg4 (62...Kg4 63.Nc7 Qc2 64.Kb4 Qc7–+) 0–1. oldi62 – ludice (1635), kurnik, 2011.

4.d4 Bd6 5.Nd2 Ne7 6.e4 c6 7.c4 Bc7 8.Ngf3 0–0 9.Bd3 Ng6 10.g3 Nd7 11.Qc2 Ne7 12.h4 a5 13.ed5 cd5 14.Bh7 Kh8 15.Bd3 ab4 16.ab4 Ra1 17.Ba1 e5 18.de5 Ne5 19.0–0 dc4 20.Bc4 Nf3 21.Nf3 Bf5 22.Qd2 Qb8 23.Kg2 Be4 24.Qe3 Bf3 25.Qf3+– g6 26.Bf6 Kh7 27.Qc3 Nf5 28.Bd3 Nd6 29.h5 Nf5 30.hg6 Kg6 31.Bf5 Kf5 32.Bg7 Rf7 33.Bh6 (33.Bh6 Qg8 34.Re1+–) 1–0. bratek55 (1685) – zakqpmk, kurnik, 2011.

4.d4 Nh6 5.e3 f5 6.Bb5 c6= 7.Bd3 Qg5 (7...Qg5 8.Qf3 Bd6+=; 7...a5 8.ba5 Qa5 9.Nd2=). sansai – epersici, net–chess.com, 2006.

4.e3 a5 5.ba5 Ra5 6.Bd3 g6 7.Bc3 Ra8 8.f4 =.

4.e3 a5 5.b5 c5 6.c4 b6 7.Nf3 Bb7 8.Qb3 Nd7 9.Nc3 Bd6 10.cd5 e5 11.Ne4 Qe7 12.Bc4 Nh6 13.d4 ed4 14.Nd6 Qd6 15.0–0 0–0 16.ed4 Nf5 17.Rad1 Rae8 18.Qa2 g5 19.dc5+– Nc5 20.Nd4 Nh4 21.g3 Ng6 22.Nf5 Qd7 23.d6 Kh8+/– 24.Ne3 Qh3 25.Bd5+– Bc8 26.Bg2 Qh5 27.Nd5 Ne5 28.Nf6?? Rf6= 29.f4 gf4 30.gf4? Be6?? 31.Be5 Ba2= 32.Bf6 Kg8 33.d7 Nd7 34.Rd7 Re2 35.Rg7 Kf8 36.Rg5 Qh6? 37.Be5 Bd5?? 38.Bg7+– Qg7 39.Rg7 Kg7 40.Bd5 1–0. orangutanb4 (2120) – danvita10 (1715), kurnik, 2011.

4.e3 a5 5.b5 c6 6.c4 Bd7 7.cd5 cd5 8.a4 Bb4 9.Nc3 Ne7 10.Nf3 0–0 11.Nd4 e5 12.Nc2 Be6 13.Be2 Nd7 14.0–0 Nc5 15.Nb1 Nb3? 16.Ra2?? d4–/+ 17.Nb4 ab4 18.Ba1 de3 19.fe3 Nf5 20.Nc3?? bc3 21.dc3?? Qd1 22.Rd1 Ne3 23.Rd3 Nc5 24.Re3 Ba2 25.c4 Rad8 26.Ra3 Bb1 27.Kf2 Rd2 28.Ke3 Ra2 29.Ra2 Ba2 30.a5 Rd8 31.a6 ba6 32.b6 a5 33.Bc3 a4 34.Ba5 Rb8 35.Kd2 Nb3 36.Kc3 Na5 37.c5 Nc6 38.Bb5 Bd5 39.g3 a3 40.Kc2 a2 41.Kb2 Kf7 42.h4 Ke6 43.Be2 Nd4 44.Bg4 f5 45.Bd1 Rc8 (45...Rc8 46.h5 Rc5 47.Ba4 Rc1 48.Kc1 a1Q 49.Kd2 Qb2 50.Kd3 Qc1 51.Bb3 Bb3 52.b7 Bc4) 0–1. dtpwaldi (1605) – danvita10 (1775), kurnik, 2011.

4.e3 a5 5.b5 Nh6 6.c4 Be7 7.Nc3 0–0 8.d4 =.

4.e3 a5 5.Bb5 Bd7 6.Bd3 Nh6 7.b5 e5 8.e4 =.

4.e3 a5 5.Bd3 Nh6 6.b5 e5 7.Nc3 Be6 8.Nf3 =.

4.e3 a6 5.c4 b6 6.d4 dc4 7.Bc4 Bb7 8.Nf3 Qd7 9.Nbd2 Nc6 10.Rc1 Nce7 11.Qb3 Nd5 12.e4 Nf4 13.g3 Nd5? 14.ed5+– ed5 15.Be2 0–0–0 16.0–0 g5 17.Kg2 h5 18.Ng1 h4 19.h3 hg3 20.fg3 f5 21.Ndf3 Bh6 22.Ne5 Qe7 23.Rf5 Kb8 24.Rf7 Qe6 25.Rcc7 Bc8 26.Bg4 Qd6 27.Bc8 Rc8 28.Rb7 Ka8 29.Ra7 Kb8 30.Rfb7 1–0. amator111 (1695) – dtkrasniqi, kurnik, 2011.

4.e3 a6 5.c4 Nc6 6.Nf3 e5 7.cd5+/– Qd5 8.Nc3 Qd8 9.Bc4+– Bf5 10.0–0 Qd7 11.Qb3 Nge7 12.Bf7 Kd8 13.Rfd1 Bg6?? 14.d4 Bf7 15.Qf7 e4 16.Ne5!! (16.Ne5 Qe8 17.Qe6 fe5 18.de5 Nd5 19.Rd5 Bd6 20.Qe8 Re8 21.ed6 cd6 22.Rd6 Kc7 23.Rad1+–) 1–0. Anonymous – mummler, internet, 2011.

4.e3 a6 5.d4 b5 6.Nf3 Bd7 7.Nbd2 Bd6 8.Bd3 Ne7 9.0–0 0–0 10.Re1 a5 11.ba5 Ra5 12.e4 c6 13.c3 Ng6 14.g3 Na6 15.Qc2 Be8 16.ed5 ed5 17.Re2 Bf7 18.Rae1 Nc7 19.Kg2 Ra8 20.Nb3 Qd7 21.Nc5 Bc5 22.dc5 Ne6 23.Nd4 Nc5–/+ 24.Bg6? Bg6–+ 25.Qd2 Ne4 26.Qf4 c5 27.Nb3 Rae8 28.f3 c4 29.Nd4 Nc5 30.Re8 Re8 31.Re8 Be8 32.Qd6?? Qd6 0–1. futsalboy – danvita10 (1700), kurnik, 2011.

4.e3 b5? 5.Bb5+/– Bd7 6.Bd3 Bd6 7.c4 c5 8.bc5 Bc5 9.Nc3 Ne7 10.cd5 Nd5 11.Nd5 ed5 12.Qh5 g6 13.Bg6! Ke7 14.Bf7 Qf8 15.Bd5 Bc6 16.Bc6 Nc6 17.Qc5 Kd7 18.Qf5 Ke7 19.Ne2 Rd8 20.Rc1 Rd6 21.Nc3 Qb8 22.Nd5 Kf7 23.Bf6 Rf6 24.Qf6 (24.Qf6 Ke8 25.Qc6 Kd8 26.Qf6 Ke8 27.Qe7#) 1–0. Woelfelschneider,Peter – Krickl, 2008.

4.e3 b6 5.c4 Bb7 6.Ne2 dc4 7.Nf4+/– Qd6 8.Qh5+– Kd7 9.Bc4 g6? 10.Ng6! Bg7 11.Nh8 Be4 12.Qf7 Qe7 13.Qg8 Kd6 14.Nf7 (14.Nf7 Kd7 15.d3+–; 14.Nc3 Bf5 15.e4 Bg4 16.Nf7 Kd7 17.Qg7 Bh5+–) 1–0. nordlicht – OwainGwynedd, Schach Wittow1, 2003.

4.e3 b6 5.Nf3 Bb7 6.d4 Bd6 7.Be2 Ne7 8.0–0 0–0 9.Nbd2 c5 10.dc5 bc5 11.bc5 Bc5 12.Rb1 Ba6 13.Ba6 Na6 14.Nh4 Bb6 15.Qg4 Nf5? (better is 15...Nc5!?=) 16.Nf5+/– ef5 17.Qf5 Qd6 18.c4 d4? (18...Rfd8 19.Rfd1 dc4 20.Qg4+/–) 19.Ne4 (better is 19.ed4 Bc7 20.Qh5+–) 19...Qe5+/– 20.Qg4 (better is 20.Qf3 Rfe8 21.Ng3+–) 20...Bd8?? (better is 20...f5 21.ed4 Qe4 (21...fg4? 22.de5 Nc5 23.Nc5 Bc5 24.Rbd1+–) 22.Qe4 fe4=) 21.Ng3 Qg5 22.Qe6 Rf7 23.Qa6 de3 24.fe3 Qe3 25.Kh1 Bb6 26.Nf5 Qc5 27.Qa4 h6 28.Rbe1 Rd8 29.Re8 Re8 30.Qe8 Qf8 31.Qe4 g6 (31...Bc5 32.Qg4 Kh8 33.Qg6+–) 32.Qg4 g5 (32...Kh7 33.Nh4 Qg7+–) 33.Qh5 Rh7 (33...Kh7 34.Nh6! Qh6 35.Qf7 Qg7+–) 34.Qg6 (34.Qg6 Qg7 35.Ng7 Rg7 36.Qf6 Bd4 37.Bd4 Re7 38.Qh8) 1–0. DrMao – Aussie, playchess.de, 2005.

4.e3 Nc6 5.d4 a6 6.Bd3 b5 7.Qh5 Ke7 8.Nd2 Qe8 9.Qe8 Ke8 10.f4 f5 11.Ngf3 Nf6 12.Ne5 Ne5 13.fe5 Ne4 14.Be4 de4 15.c4 Bd7 16.Kf2 g5 17.g4 fg4 18.Ne4 Be7 19.Rhg1 h5 20.d5 ed5 21.cd5+/– Rf8 22.Ke2 Bf5 23.Nc5 Bc5 24.bc5 Kd7 25.c6 Kc8? 26.Rgf1 Kb8?? 27.e4 a5 28.ef5 Ka7 29.Bd4 Ka6 30.Kd3 a4 31.Bc5 Rf7 32.Ke4 h4 33.f6 Rg8 34.e6 Rh7 35.f7 (35.f7 Rd8 36.e7+–) 1–0. amator111 (1705) – jirzik, kurnik, 2011.

4.e3 Nc6 5.d4 Bd6 6.Bd3 Nce7 7.f4 Nf5 8.Qe2 Nge7 9.Nd2 Ng6 10.g3 0–0 11.c4 c6 12.Ngf3 Qc7 13.c5 Be7 14.0–0–0 b6 15.Rhg1 bc5 16.dc5 Bb7 17.Nb3 Rfd8 18.h4 h5? 19.g4+– hg4 20.Rg4 Kf7 21.Rdg1 Nf8 22.Bf5 ef5 23.Rg7 Ke6 24.Nfd4 Kd7 25.Nf5 Re8 26.Bf6 Ne6 27.Re7 Re7 28.Be7 Re8 29.Bd6 Qc8 30.Qh5 Qd8 31.Qf7 Kc8 32.Nbd4 Nd4 33.Nd4 Re3 34.Rg7 Re1 35.Kd2 Ba6 36.Rg8 (36.Rg8 Re7 37.Qe7 Qg8 38.Qc7; 36.Qf5 Re6 37.Qe6 Qd7 38.Qd7) 1–0. amator111 (1640) – chessjon, kurnik, 2011.

4.e3 Nc6 5.d4 Bd7 6.c4 Be7 7.f4 Nh6 8.Qb3 dc4 9.Bc4 Qc8 10.Nf3 0–0 11.0–0 Nf5 12.Nbd2 a6 13.Rae1 Kh8 14.g4 Nd6= 15.Bd3 f5 16.g5 a5 17.b5 a4 18.Qc2 Nd8 19.Ne5 Bb5 20.Bb5 Nb5 21.Kf2 Na3 22.Ba3? Ba3–/+ 23.h4? Bd6 24.Ra1 Be5 25.de5 b5 26.Nf3? c6 27.h5 Qd7 28.Rfd1 Qe7 29.Rd6 c5! 30.Qd3 Qa7?? 31.Qb5=+ a3 32.Rd3 Nf7?? 33.Rda3+– Qa3 34.Ra3 Ra3 35.Qc5 Ra2 36.Kg3 Rfa8 37.Qe7 Kg8 38.g6 (38.g6 hg6 39.hg6+– (39.Qe6?! R2a6 40.Qd7 R6a7+=)) 1–0. amator111 (1665) – josealquizar, kurnik, 2011.

4.e3 Bd7 5.d4 c6 6.Nf3 b5 7.Nbd2 Bd6 8.e4 de4 9.Ne4 Be7 10.c4 a5 11.c5 Qc7 12.Bd3 Nh6 13.Qc2 ab4 14.ab4 Ra1 15.Ba1 0–0 16.h3 f5 17.Neg5 Nf7 18.Nf7 Rf7 19.0–0 Bf6 20.Re1 h6 21.Ne5 Be5 22.Re5 Na6 23.Bc3 Qd8 24.Qe2 Qg5 25.Bd2 Qf6 26.Qf3 Qg6 ½–½. normn – matty722, ChessWorld.net, 2012.

4.e3 Bd7 5.Nf3 Nc6 6.Be2 Bd6 7.0–0 Nge7 8.c4 0–0 9.c5 Be5 10.Be5 Ne5 11.d4 Nf3 12.Bf3 c6 13.Nc3 Rc8 14.Be2 e5 15.Re1 e4 16.a4 Ng6 17.b5 cb5 18.ab5 a5 19.Nd5 Bf5 20.Nb6 Rc7 21.Bc4 Kh8 22.g4 Bd7 23.Nd7 Rd7 24.b6 Nh4 25.Be2 g5 26.Ra5 Rg7 27.Qb3 Nf3 28.Bf3 ef3 29.Rd1 Qd7 30.h3 h5 0–1. cmulligan (2085) – pwillows (2230), net–chess.com, 2014.

4.e3 Nd7 5.d4 (5.Nc3 Nh6 6.Nf3 a5 7.b5 Bd6 8.e4=; 5.Bd3 Ne7 6.Nf3 e5 7.Be2 a5 8.b5=; 5.Nf3 c5 6.bc5 Bc5 7.d4 Bd6 8.c4=; 5.c4 dc4 6.Bc4 Nb6 7.Bb5 c6 8.Be2=) 5...a5 6.b5 c5 7.c4 Ne7 8.dc5 =.

4.e3 e5 5.Nc3 a5 6.b5 Be6 7.Nf3 Bd6 8.Be2 =.

4.e3 e5 5.Bd3 Be6 6.Nf3 e4 7.Nd4+= ed3 8.Ne6+/– dc2 9.Qc2 Qd7?? 10.Nc7+– Ke7 11.Na8 Nc6 12.b5 Ne5 13.b6 Nh6 14.Be5 fe5 15.ba7 Ke6 16.Nc7 Kd6 17.a8Q Be7 18.Qb7 Rc8 19.Qd5# 1–0. market – opponent, gamecolony.com (CB4 classification error!), 2007.

4.e3 e5 5.d4 e4 6.c4 a5 7.Qa4 Bd7 8.b5 +=.

4.e3 e5 5.Be2 Bd6 6.c4 dc4 7.Bc4 Nc6 8.d3 =.

4.e3 e5 5.Nf3 a5 6.b5 Bf5 7.c4 Ne7 8.d4 =.

4.e3 e5 5.Nf3 c6 6.Nh4 Nd7?? 7.Qh5+– g6 8.Ng6! (8.Ng6 hg6 9.Qh8+–) 1–0. Wall,Bill – JoeJoe, internet (CB4 classification error!), 2001.

4.e3 e5 5.f4 Nd7 6.fe5 fe5 7.Nf3 Bd6 8.c4 =.

4.e3 Ne7 5.c4 c6 6.Nf3 Ng6 7.d4 Be7 8.h4 0–0 9.h5 Nh8 10.Qc2 Nf7 11.Bd3 f5 12.Nbd2 Nd7 13.0–0–0 Nh6 14.Ne5 Ne5 15.de5 Bd7 16.f3 a5–/+ 17.c5 ab4 18.ab4 Bg5 19.Bd4 Qb8 20.g4 Bd8 21.Rdg1 Kh8 22.g5 Nf7 23.f4 Qa7 24.Nb1 b5 25.Bf5?? Ng5?? 26.Bh7?? Nh7–/+ 27.h6 g5–+ 28.fg5 Bg5 29.Rg5 Ng5 30.Qg6 Rg8 31.Qf6= Kh7 32.Qe7 Kh8 ½–½. Michalak,Marek (1985) – Kubik,Zbigniew (2070), Krakow op–B, 2005.

4.e3 Ne7 5.d3 Ng6 6.Nd2 Be7 7.Be2 0–0 8.Ngf3 Nd7 9.0–0 b6 10.c4 Bb7 11.cd5 ed5 12.Qc2 Nde5 13.Rac1 Rc8 14.d4 Nf3 15.Nf3 c5 16.bc5 bc5 17.dc5 Rc5 18.Qa4 Ra5 19.Qb3 Qd7 20.Nd4 Ne5 21.Bb5 Qd8 22.Ne6 Qb6= 23.a4?? Rc8?? 24.Rc8+– Bc8 25.Nd4 a6+/– 26.Qd5 Kh8 27.Qa8 Qd8? 28.Bc6 Nc6?? 29.Nc6+– Bd7 30.Nd8 (30.Nd8 Kg8 31.Qb7+–) 1–0. exp2005 – zetka, kurnik, 2011.

4.e3 Ne7 5.Nf3 Nbc6 6.c4 e5 7.cd5 Nd5 8.Bc4 Be6 9.e4 (better is 9.Qc2!?=) 9...Ndb4–/+ 10.Be6 Nd3 11.Ke2 Nf4 (11...Nb2 12.Qc2 Nd4 13.Nd4 Qd4 14.Nc3+/–) 12.Kf1? (12.Ke1 Ne6 13.Nc3 Qd3–+) 12...Ne6 (better is 12...Qd3 13.Kg1 Ne2 (13...Ne6?! 14.Nc3–+) 14.Qe2 Qe2–+) 13.g3 Qd3 14.Qe2 Qe2 15.Ke2 Nc5 16.Nc3 0–0–0 17.Rhd1 Nd3 18.Rab1 Bc5 19.Rf1 Nb2 20.Rb2 Ba3 21.Rb3 Bc5 22.Rfb1 Nd4 23.Nd4 Rd4 (worse is 23...ed4 24.Na4 d3 25.Kf3–+) 24.f3 Rhd8 25.Rd1 Rb4 26.Rb4 Bb4 27.Nd5 a5 28.Rb1 Bd2! 29.Kd2 c6 30.Rc1 Kb8 31.Rc5 cd5 32.ed5 b6 33.Rb5 Ka7 34.Kc3 Ka6 35.Rb2 Rd5 0–1. Hal1958 – Vince, playchess.de, 2005.

4.e3 Ne7 5.Qh5 Ng6 6.Bb5 c6 7.Bd3 Qe7?? 8.Bg6+– hg6 9.Qh8 Bd7 10.Nf3 c5 11.Nh4 Qf7 12.bc5 Nc6 13.Qh7 0–0–0 14.d4 e5 15.Qg6 Qe6 16.c3 ed4 17.cd4 Be8 18.Qf5 Qf5 19.Nf5 Na5 20.Nd2 Kb8 21.Bc3 Nc6 22.h4 Bh5 23.f3 Bg6 24.g4 Bf5 25.gf5 Ne7 26.e4 Nc6 27.Nb3 Be7 28.Rg1 Rg8 29.ed5 Nd8 30.Kd2 Ka8 31.Rae1 g5 32.Re7 Rh8 33.hg5 Rh2 34.Ke3 Rc2 35.Kd3 Ra2 36.g6 Ra3 37.g7 Rb3 38.g8Q a6 39.Qd8 Ka7 40.Rg8 a5 41.Qa8 (41.Qa5) 1–0. market (2090) – spamhead, GameColony.com, 2002.

4.e3 Nh6 5.d4 (5.Nf3 e5 6.Be2 a5 7.b5 Nf5 8.d4=; 5.Nc3 a5 6.b5 Bd6 7.Qh5 Nf7 8.Nf3=; 5.f4 a5 6.b5 Be7 7.Qh5 Nf7 8.Nf3=; 5.Be2 c5 6.Bc3 Nd7 7.d4 cd4 8.ed4=) 5...Nf5 6.c4 a5 7.b5 Be7 8.Nc3 =.

4.e4 a5 5.ed5 (5.ba5 de4 6.Qh5 g6 7.Qe2 e5 8.Qe4=; 5.b5 de4 6.Qh5 g6 7.Qe2 Bg7 8.Ra2+=; 5.Qh5 g6 6.Qh4 ab4 7.ab4 Ra1 8.Ba1=) 5...ed5 6.b5 Bf5 7.Nf3 Bc5 8.d4 =.

4.e4 c5 5.ed5 ed5 6.Bb5 Bd7 7.Bd7 Qd7 8.Qh5 g6 9.Qe2 Be7 10.bc5+= Nc6 11.Nf3 Kd8 12.d4 Rc8 13.0–0+– h6 14.Re1 Rh7 15.Nc3 Nd4?? 16.Nd4 Bc5 17.Ne6 (17.Ne6 Ke8 18.Nc5 Re7 19.Nd7 Re2 20.Nb6 ab6 21.Re2 Kf7 22.Rd1+–) 1–0. Wall,Bill – Sulu, internet, 2004.

4.e4 de4 5.Bc4 Nc6 6.Qh5 g6 7.Qe2 e5 8.Bb5 +=.

4.e4 de4 5.Bc4 h5 6.Nc3 f5 7.Nh3 Qh4 8.Ne2 e3 9.Bb3 ef2 10.Nf2 Nf6 11.0–0 Ng4 12.Ng4 hg4 13.Be5 Bd6 14.d4 Be5 15.de5 Qh2 16.Kf2 Qe5 17.Qd3 Nc6 18.Ng3 Qd4 19.Qd4 Nd4 20.Rfe1 Nb3 21.cb3 Kf7 22.Rad1 g6 23.Rh1 Rh1 24.Nh1 Ke7 25.Kg3 Bd7 0–1. Trkn – TDG703, itsyourturn.com, 2000.

4.e4 de4 5.Qe2 f5 6.d3 ed3 7.Qd3 Bd7 8.Qe3 +=.

4.e4 de4 5.Qg4 f5 6.Qg3 Nf6 7.Be5 Nh5 8.Qh3 –/+.

4.e4 de4 5.Qh5 g6 6.Qh4 Bg7 7.Bc4 Nh6 8.Nc3 =.

4.f3 e5 5.d3 c5 6.bc5 Bc5 7.Nd2?? Qb6 8.d4–/+ ed4 9.Nb3 d3! 10.Nc5 Qb2 11.Nd3 Qb6 12.Rb1 Qd6 13.Nh3 Ne7 14.g4 0–0 15.Bg2 f5 16.0–0 fg4 17.fg4 Be6 18.Rf8+= Kf8 19.Nhf4 Bg4 20.Rb7 Nbc6 21.Qf1 Kg8 22.h3 Bf5 23.Nd5+= Rf8 24.Ne7 Ne7 25.Qb1 Qd4 26.Kh1 Nd5?? 27.Qb3 Be6 28.Rb8 Nf4?? 29.Rf8+– Kf8 30.Qb8 Ke7 31.Qc7 Ke8 32.Qf4 Qa1 33.Kh2 Qa3 34.Qe5 Kf7 35.Nf4 Bc4 36.Qc7 Qe7 37.Qc4 Kf6 38.Qd4 Qe5 39.Qe5 Ke5 40.e3 g5 41.Nd3 Kd6 42.Be4 h6 43.Kg3 Kd7. bratek55 (1765) – nikb (1760), kurnik, 2011.

4.Nf3 a5 5.ba5 e5 6.e3 Bd6 7.c4 Ne7 8.d4 =.

4.Nf3 a5 5.b5 e5 6.e3 Nh6 7.c4 Bg4 8.h3 =.

4.Nf3 a5 5.e3 ab4=+ 6.ab4 Ra1 7.Ba1 Bb4 8.c4 c6 9.Be2 Ne7 10.0–0 0–0 11.d4 Bd6 12.Nbd2 Nd7 13.e4 f5 14.e5 Bb4 15.Qb3 Bd2 16.Nd2 Nb6 17.c5 Nd7 18.f4 b6 19.cb6 Qb6 20.Qg3 Ba6 21.Ba6 Qa6 22.Nf3 Qa7 23.Ng5+= c5? 24.Ne6+– Ng6 25.Nf8 Ndf8 26.dc5 Qc5 27.Qf2 Qf2 28.Rf2 Ne6 29.g3 h5 30.Rd2 d4? 31.Bd4 Nd4 32.Rd4 h4 33.Kg2 Kf7 34.Rd6 hg3 35.hg3 Ne7 36.Kf3 1–0. d4nf6 (1890) – greg1123 (1950), kurnik, 2011.

4.Nf3 c5 5.bc5 (5.c3 Nd7 6.d4 c4 7.e4 Bd6 8.Nfd2=; 5.b5 e5 6.e3 Be6 7.d4 e4 8.Nfd2+=; 5.Bc3 d4 6.Bb2 e5 7.bc5 Bc5 8.e3=) 5...Bc5 6.e3 Nc6 7.d4 Bd6 8.c4 =.

4.Nf3 Bd6 5.Nc3 Ne7 6.e4 0–0 7.d4 Ng6 8.ed5 =.

4.Nf3 Bd6 5.d3 Ne7 6.c4 c5 7.bc5 Bc5 8.d4 =.

4.Nf3 Bd6 5.d4 a5 6.b5 Ne7 7.c4 b6 8.Nc3 +=.

4.Nf3 Bd6 5.e3 a5 6.ba5 Ne7 7.Nc3 0–0 8.Nb5 =.

4.Nf3 Bd6 5.e3 Ne7 6.c4 dc4 7.Bc4 Nbc6 8.Qb3 Qd7 9.Nd4 Nd4 10.Bd4 e5 11.Bb2 Qg4 12.Nc3?? Qg2–+ 13.0–0–0 Bf5 14.Bf7 Kd8 15.Nd5 Be4 16.Ne7 Be7 17.d4–/+ Kc8 18.Qe6= Kb8 19.Qe7 Qf2 20.Rd2 Qe3 21.de5 Bh1= 22.ef6 Qe7?? 23.fe7+– (23.fe7 a5 24.Bg7+–) 1–0. orangutanb4 (2025) – abcd1988 (1675), kurnik, 2011.

4.Nf3 Bd6 5.e4 de4 6.Ng5 e3 7.de3 e5 8.Ne4 +=.

4.Nf3 e5 5.Nc3 a5 6.b5 Bf5 7.e3 Nh6 8.Be2 =.

4.Nf3 e5 5.d4 e4 6.Nfd2 a5 7.b5 f5 8.c4 =.

4.Nf3 e5 5.e3 a5 6.b5 Bf5 7.c4 Ne7 8.d4 =.

4.Nf3 e5 5.e3 c6 6.c4 Bd6 7.cd5 cd5 8.d3 Ne7 9.Be2 Ng6 10.Nbd2 0–0 11.0–0 Bg4 12.h3 Be6 13.Qb3 Qd7 14.Rac1 a6 15.Rfd1 Nc6 16.Qc2 Rac8 17.Qb1 e4?? (better is 17...Rc7+=) 18.de4+/– de4?? (better is 18...Be5+/–) 19.Nd4 (better is 19.Ne4!? Bh2 20.Kh2 Qc7 21.Kg1 Rfd8+–) 19...Bh3?? (better is 19...Nd4 20.Bd4 Rc1 21.Rc1 f5=) 20.Nc6 (20.gh3?! Nd4 21.Bd4 Qh3+/–) 20...Rc6 21.Ne4 (21.gh3 Qh3 22.Nf1 Re8 23.Bf6 gf6 24.Qa2 Kh8–+) 21...Rc1 22.Qc1 (22.Bc1?! Bg2 23.Kg2 Nh4 24.Kf1 Qh3 25.Ke1 Be5 26.Qb3 Kh8+–; 22.Rc1?! Bf5+/–) 22...Qc6?? (22...Bg2 23.Qc4 Kh8 24.Kg2 Nh4 25.Kf1 Qh3 26.Ke1 Be5 27.Be5 fe5+–) 23.Qc6 bc6 24.Nd6 (24.Rd6!? Re8 25.Bc4 Kf8 26.Nf6 gf6 27.Rf6 Ke7 28.gh3 a5+–) 24...Be6 25.Nc4 Bc4 (25...Ne7 26.Na5+–) 26.Bc4 Kh8 27.Rd6 Ne5 28.Be5 fe5 29.Rc6 h6 (29...a5 30.ba5 g5 31.a6+–) 30.Ba6 Ra8 31.b5 g5 (31...Kh7 32.Re6+–) 32.g3 (better is 32.Rc8 Rc8 33.Bc8+–) 32...Kg7 33.a4 h5 34.Re6 g4 35.Re5 Rd8 (35...Rh8 36.b6 Kf6 37.Rc5+–) 36.Rh5 Kg6 37.Rc5 Rd1 38.Kg2 Rd2 39.Rc4 Rf2 40.Kf2 (40.Kf2 Kh7 41.b6 Kg7 42.b7 Kf6 43.b8Q Kf7 44.Qc7 Kg8 45.Qd7 Kf8 46.Rc8) 1–0. Fournier,Frederic – luiscu, Active, 2008.

4.Nf3 e5 5.e3 Be6 6.d4 e4 7.Nfd2 c6 8.c4 f5 9.Nc3 Nf6 10.Rc1 Nbd7 11.cd5 Nd5 12.Nc4 Rc8 13.Be2 Be7 14.0–0 0–0 15.Qd2 Rf6 16.Nd5 Bd5 17.Ne5 Rh6 18.b5 Bd6 19.bc6 bc6 20.g3 (20.f4 Nb6=) 20...Nf6 21.Rc2 Qe8 (21...Be5 22.de5 Ng4 23.Bg4 fg4 24.Rfc1+=) 22.Rfc1= Bb8 23.Qa5 Rc7 24.a4 g5 (24...Rb7 25.Nc6 Bb3 26.Nd8 Bc2 27.Nb7+–) 25.Ba3 (25.Qa6 g4+/–) 25...g4 (25...Nd7 26.Nc6 Bc6+–) 26.Bd6+– Rb7 27.Bb8 Rb8 28.Nc6 Ra8 29.Rc5 Be6 30.Rf5 1–0. Nielsen,Reinholt – Vindbjerg,Kresten Bogh, Denmark ch corr, 1949. (=1.Nf3 d5 2.b4 e6 3.Bb2 f6 4.a3 e5)

4.Nf3 e5 5.e3 Ne7 6.c4 c6 7.cd5 Qd5 8.Nc3 Qf7 9.Be2 Be6 10.Ne4 Nf5 11.d4 Nd7 (11...a5 12.de5 ab4 13.ef6 Bb3+/–) 12.de5+/– 0–0–0 13.Qc1 Be7 14.ef6 gf6 15.0–0 Bd5 16.Ng3 Bf3 17.Bf3 Ne5?? (better is 17...Ng3 18.fg3 Kb8+/–) 18.Be5+– (worse is 18.Nf5 Nf3 19.gf3 Rhg8 20.Ng3 h5+–) 18...fe5 19.Bg4 Kb8 20.Bf5 Qg7 21.Be4 1–0. Fournier,Frederic (1880) – Chabane,Jerome, PIC Ch, 2009.

4.Nf3 e5 5.e3 Bg4 6.Be2 Bf3 7.Bf3 c6 8.d3 Ne7 9.Nd2 Nd7 10.c4 g5 11.Bh5 Ng6 12.cd5 cd5 13.Qg4 Bg7 (better is 13...Qb6!?+/–) 14.Qe6+– Kf8 (14...Qe7 15.Qd5 Nb6 16.Qb5 Qd7 17.Qd7 Kd7 18.Rd1+–) 15.Qd5 Nb6 16.Qd8 (better is 16.Qb7!? Qd3 17.Rd1+–) 16...Rd8+/– 17.Bg6 hg6 18.Ke2 Na4 19.Rab1 f5 20.h3 e4 21.Bg7 Kg7 22.Rbc1 (better is 22.Rb3!? Rc8 23.de4 Nc3 24.Ke1 Ne4 25.Rb1+=) 22...ed3= 23.Kf3 g4 (23...Rc8!?=) 24.hg4+/– Rh1 25.Rh1 Nc3 26.gf5 gf5 27.Rc1 Nd5 28.Rc5 Rd7 29.e4 fe4 30.Ke4 Nf6 31.Ke3 Ng4 32.Kf3 Nh2? 33.Kg3+– Nf1 34.Nf1 d2 35.Nd2! Rd2 36.Rc7 Kf6 37.Rb7 Ra2 38.Ra7 Ke5 39.f4 Kf5 40.b5 Rb2 41.a4 Ke6 42.Kg4 Kd6 43.g3 Rb4 44.Ra6 Kc5 45.b6! Kc6 46.a5 Kb7 47.Ra7 Kc6 48.b7! Rb7 49.Rb7 Kb7 50.f5 Ka6 51.f6 Ka5 52.f7 Kb6 53.f8Q Kc6 54.Qf5 Kd6 55.Kf4 Kc6 56.Qe5 Kd7 57.Qf6 Ke8 58.Qg7 Kd8 59.Ke5 Ke8 60.Kd6 Kd8 61.Qd7 1–0. Fournier,Frederic – beulas61, Owl21.com, 2008.

4.Nf3 Nh6 5.e3 (5.Nc3 e5 6.e3 a5 7.b5 Be6 8.Be2=; 5.d4 a5 6.b5 c5 7.e3 c4 8.e4=; 5.Ra2 e5 6.e3 Be6 7.Be2 a5 8.b5=; 5.d3 e5 6.e3 Be6 7.Be2 a5 8.b5=) 5...a5 6.b5 e5 7.Be2 Nf5 8.0–0 =.

4.f4 Bd6 5.e3 Qe7 6.c4 c6 7.Nf3 Nd7 8.Be2 e5 9.cd5 cd5 10.Nc3 ef4 11.Nd5 Qd8 12.Nf4 Bf4 13.ef4 Qb6 14.Bd4 Qd6 15.Bc4 Ne7 16.0–0 Nf5 17.Re1 Kd8 18.Be3 Re8 19.Qc2 Nb6 20.Rad1 Qc6 21.Bb6 ab6 22.Qd3 Bd7 23.Re8 Ke8 24.Re1 Kf8 25.Nd4 Nd4+/– 26.Qd4 Rd8 27.Qc3 b5 28.Bf1 Rc8 29.Qd3+– Kg8 30.Kh1 Re8 31.Ra1 Qe4?? 32.Qd7+– Kf8 33.Qd6 Kg8 34.Qd3 Qf4 35.Qb5 Re7 36.Qc4 Kf8 37.Qf4 1–0. orangutanb4 (1970) – donic2 (1640), kurnik, 2011.

4.e3 c5

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

5.b5 c4 6.Qh5 g6= 7.Qf3 Bc5 8.d4 cd3 9.Bd3 d4 10.ed4+= Bd4 11.Bd4 Qd4 12.Ra2 e5 13.Ne2 Qg4 14.Qg4 Bg4 15.h3 Be6= 16.c4 Nd7 17.0–0? Nc5–/+ 18.Rd2 Rd8 19.Bc2–/+ Bc4 20.Rd8 Kd8 21.Rd1 Ke7 22.Nbc3 Nh6 23.Ng3 Nf7 24.Nd5 Bd5 25.Rd5 b6 26.Ne4 Ne4 27.Be4 Rd8 28.Rd8–/+ Nd8 29.Kf1 f5 30.Bd5 Ne6 31.Ke2?? Nd4 32.Kd3 Nb5 33.Bg8? h6 34.a4 Nd6 35.g4 f4 36.f3 g5 37.Bh7 b5 38.a5 Nc4 39.a6 Kd6 40.Bg8 Nb6 41.Bb3 Kc5 42.Kc3 Na4 43.Kc2 Kb6 0–1. erisonpassos – masisa2012, kurnik, 2011.

5.Bb5 Bd7 6.Bd7 Nd7 7.b5 Nb6 8.Qh5 g6 9.Qg4 Qd7 10.Ra2 0–0–0 11.a4 Nc4 12.Nf3 Bg7 13.Qg3 e5 14.0–0 Qe6 15.d3 Nd6 16.Ra3 Nf5 17.Qh3 Re8 18.Rc3 b6 19.e4 de4 20.de4 Nd4 21.Nd4 ed4 22.Rf3 Qh3 23.Rh3 Re4 24.c4 Re2 25.Rb3 Ne7 26.Rd1 Re8 27.Nd2 Nc6! 28.Nf3?? (28.bc6 Re1 Double attack) 28...Ne5 (better is 28...Na5 29.Rbd3 Rb2–+) 29.Ne5 R8e5 30.Kf1 Bh6 31.Rbd3?? (31.Bc1 Bc1 32.Rc1–+) 31...Rb2 32.Rh3 Bg5 33.Rh7 (33.g3 h5 34.f4 Rf5–+) 33...Ree2 34.Rh8 Kd7 35.Kg1 Rf2 36.Rh7 Kd6 37.g3 Be3 38.Kh1 Ra2 39.Ra7 (39.Rh8–+) 39…Rh2 0–1. Yannick – Huib, playchess.de, 2004.

5.c3 Qb6 6.Nf3 Nc6 7.Be2 a5 8.0–0 ab4 9.ab4 Ra1 10.Ba1 cb4 11.cb4 Qb4 12.Bc3 Qd6 13.Qa4 Be7 14.Nd4 Bd7 15.Bb5 Nh6 16.Nc6 Bc6 17.Bc6 bc6–/+ 18.Qa8 Bd8 19.Ba5 Nf7 20.Nc3 0–0 21.Bd8 Rd8 22.Qb7 Ne5 23.d4 Nd3 24.Ra1= c5 25.Nb5 Qd7–/+ 26.Qd7 Rd7 27.dc5 Nc5 28.Na7 e5 29.h3 d4 30.ed4 ed4 31.Nc6 d3 32.Kf1? d2 33.Rd1 Ne4 34.Nb8 Rd6 35.f3 Ng3 36.Kf2–/+ Nf5 37.Ke2 Kf7 38.Rd2–/+ Rd2 39.Kd2 Nh4 40.g3 Nf3 41.Ke3 Ng5 42.Nc6? Nh3–+ 43.Kf3 Ng5 44.Kg4 Ne4 45.Nd4 g6 46.Kf4 f5 47.Ke5? Ng3 48.Ne6 h5 49.Ng5 Kg8 50.Kf6 h4 51.Nf3 h3 52.Nd4?? h2 53.Nc6 h1N 54.Ne7 Kh7 (54...Kh7 55.Ng6 Nf2–+) 0–1. horacyad2010 – smokmoks, kurnik, 2011.

5.Qh5 g6 6.Qh4 cb4 7.Bd3 ba3 8.Na3+/– Qb6? 9.Bd4+– Bc5 10.Rb1 Qa5 11.Bb5 Nc6 12.Bc5 b6 13.Bb4 Bd7 14.Ba5 ba5 15.Nf3 Ke7 16.Bc6 Bc6 17.Ne5 Kd6 18.Nf7 Kc5 19.Qd4# 1–0. marre – rehowof, internet, 2010.

5.bc5 Bc5

6.c4 Ne7 7.Nf3 0–0 8.Nc3 a6 9.cd5 ed5 10.d4 Ba7 11.Bd3 b5 12.h3 Nd7 13.Qc2 Bb7? 14.Bh7+– Kh8 15.Bd3 Rc8 16.Qe2 Nb6? 17.h4?? Nc4 18.h5 Nb2 19.Qb2+– Qa5 20.Rc1 Bb8 21.h6 g5 22.Nd2 Bd6 23.Ncb1 Rc1 24.Qc1 Rc8 25.Qb2 b4 26.ab4 Bb4 27.0–0 f5 28.Nf3 g4 29.Ne5 Kh7 30.Ng4 Kg6 31.Ne5 Kh6 32.g3 Rg8 33.Kg2 Kg7 34.Na3?? Bc8?? 35.Nc2+– Bd6 36.Ra1 Qc7 37.Ne1 Rf8 38.N1f3 Ng6 39.Ng6 Kg6 40.Rc1 Qd7 41.Nh4 Kh5 42.Qe2 Kg5 43.f4 Kh6 44.Rh1 Kg7 45.Qh5 Qe6 46.Qg5 Kf7 47.Nf5 Be7 48.Ne7 Qe7 49.Qe7 Ke7+– 50.Rh7 (50.Rh7 Rf7 51.Rh6+–) 1–0. orangutanb4 (2105) – danvita10 (1775), kurnik, 2011.

6.c4 Ne7 7.Nf3 0–0 8.Nc3 dc4 9.Bc4 Nbc6 10.0–0 a6 11.d4 Bd6 12.Qb3 Na5 13.Be6 Kh8 14.Qa2 b5 15.Bc8 Rc8 16.Ne4 Nc4 17.Nd6 Qd6 18.Bc3 Nd5 19.Rfc1 Rfe8 20.Nd2 Nd2 21.Qd2+= Nc3 22.Rc3 Rc3 23.Qc3 h5 24.Rc1 h4 25.h3 Kh7 26.Qa5 f5 27.a4 ba4? 28.Qf5+– Qg6 29.Qa5 Rb8 30.Qa4 Rb1 31.Qc4 Rc1 32.Qc1 a5 33.Qa1 Qa6 34.Qa4 Qb6 35.d5 Kg6?? 36.d6 Kf6?? 37.Qh4 Ke6 38.Qg4 (38.Qg4 Kd6 39.Qg6 Kc5 40.Qg7+–) 1–0. orangutanb4 (2095) – danvita10 (1785), kurnik, 2011.

6.Nf3 Nc6 7.c4 dc4 8.Bc4 Nge7 9.0–0 0–0 10.d4 Bb6 11.Nbd2 Kh8 12.Qb3 e5 13.de5 Ne5 14.Ne5 fe5 15.Rad1 Ng6 16.Nf3 Qe7 17.a4 Bc7?? 18.Ba3+– Qf6 19.Bf8 Qf8 20.Rd2 Bg4 21.Be2 e4 22.Nd4 Be2 23.Ne2 Ba5 24.Rc2 b6 25.Rfc1 Rd8 26.Nd4 Ne5 27.Ne6 Qe7?? 28.Rc8 (28.Rc8 Re8 29.Qd5+–) 1–0. Fournier,Frederic (1605) – cordov2000, Active, 2006.

6.Nf3 Bd7 7.Be2 Bc6 8.c4 Nd7 9.cd5 Bd5 10.d4 Bd6 11.Nc3 Bc6 12.0–0 Ne7 13.Qb3 Nd5 14.Nd5 Bd5 15.Bc4 Nb6 16.Bd5 Nd5 17.Rac1 0–0= 18.Rc2 Qe7 19.Rfc1 Nc7 20.a4 b6 21.Rc3 Nd5 22.R3c2 Rfc8?? 23.Rc8+– Rc8 24.Rc8 Kf7 25.Nd2 Bb4 26.Rc2 a5 27.Nc4 e5 28.de5 fe5 29.Ne5 Kg8 30.Qd5 (30.Qd5 Qe6 31.Qe6 Kh8 32.Rc8 Bf8 33.Rf8; 30.Rc8 Qf8 31.Qd5 Kh8 32.Nf7 Kg8 33.Nd6 Kh8 34.Rf8) 1–0. Fournier,Frederic (1620) – cordov2000, Active, 2006.

6.Nf3 Ne7 7.c4 0–0 8.Be2 Nbc6 9.0–0 d4 10.Bd3 e5 11.ed4 Nd4 12.Nc3 Bg4 13.Be2 Ne2 14.Qe2 Nc6 15.Ne4 Bd4 16.Rab1? Bb2 17.Rb2 Nd4 18.Qe3–/+ Bf3 19.gf3 Qc8 20.Kg2 Qc4 21.d3? Qe6 22.Nc5 Qf5 23.Rb7–/+ Qg6 24.Kh1 Nf5 25.Qe4= Nd6 26.Qd5 Kh8? 27.Qd6+– Qf5 28.Qd5 Rfd8 29.Qe4 Qh5 30.Rg1 Rd4 31.Qf5 Rf4 32.Qf4 ef4= 33.Rgg7 Qf3 34.Kg1 Rg8 35.Rg8 Kg8 36.Ne4 Qd3?? 37.Nf6= Kf8 38.Nh7 Ke8 39.Nf6 Kf8 40.Nh7 Ke8 41.Nf6 Kf8 42.Nh7 ½–½. orangutanb4 (1980) – donic2 (1630), kurnik, 2011.

6.Nf3 Ne7 7.Be2 0–0 8.0–0 Bd7 9.c4 Bc6 10.cd5 Bd5 11.d4 Bb6 12.Nc3 Bf3 13.Bf3 Nbc6 14.Qe2 Nd5 15.Nd5 ed5 16.Rac1 Qe7? 17.Bd5+– Kh8 18.Bc6 bc6 19.Rc6 Rac8 20.Rfc1 Rc6 21.Rc6 Qd7 22.Qc4 Qf7?? 23.Qf7 Rf7 24.Rc8 Rf8 25.Rf8 1–0. Fournier,Frederic – cordov2000, Active, 2006.

4.e3 c6

5.c4 dc4 6.Bc4 b5 =.

5.Nf3 b5 6.Be2 g5?? 7.d3 e5 8.0–0 Qe7 9.c3 g4 10.Nfd2 h5 11.f3 g3 12.h3 Qg7 13.f4+/– Bh3 14.gh3+– g2 15.Rf2 Qg3 16.Rg2 Qh3 17.fe5 fe5 18.Nf3 Rh7?? 19.Ng5 Qe3 20.Kh1 Rh6 21.Bc1 Qb6 22.Nf3 Rh7 23.Rg8 Nd7 24.Ng5 Rg7 25.Bh5 Ke7 26.Rg7 Bg7 27.Bg4 Rh8 28.Kg2 Nf6 29.Qf3 Bh6 30.Be3 Rg8 31.Bb6 Bg5 32.Bc5 Ke8 (33.Qf5 Kf7+–). Royalfork – christofer, caissa.com, 2004.

5.Nf3 Ne7 6.d4 Ng6 7.c4 Bd6 8.cd5 ed5 9.Bd3 Qe7 10.Nbd2 f5 11.0–0+= 0–0 12.Qc2 Na6? 13.Rfe1 Nc7= 14.h3 Bd7 15.Nb3 b6 16.a4 Rae8 17.b5 cb5 18.ab5 Bb5 19.Bb5 Nb5 20.Qd3 Qd7–/+ 21.Rec1 Ra8 22.Rc2 a6 23.Rac1 h6 24.Ne5 Qe6 25.Ng6 Qg6 26.Rc6 Rfb8 27.Nd2 Kh7 28.Nf3 Qf6 29.Ne5 Rb7 30.Bc3 Nc3 31.Qc3 b5 32.Ra1 b4 33.Qb3 Be5?? 34.de5?? Qe5 35.Rca6 Rc8 36.R6a4 Rc3 37.Qb2? b3 38.Rd4?? Rbc7 39.Rb1 h5 40.Kf1?? Qh2 41.Rd2 Qh1 42.Ke2 Qg2 (42...Qg2 43.Rd4 Rc2 44.Rd2 f4 45.Rc2 f3 46.Kd2 Qf2 47.Kd3 Rc2–+) 0–1. Fournier,Frederic (1665) – AbuelaKasparov (1610), Active, 2006.

5.Nf3 Nh6 6.c4 =.

4.e3 Bd6

5.Bb5 c6 6.Bd3 Nh6 7.Qh5 Nf7 8.Nf3 =.

5.Nc3 c6 6.Bd3 Nh6 7.Qh5 Nf7 8.Nf3 =.

5.c4 dc4 6.Bc4 Nc6 7.d4 Nge7 8.Qg4 +=.

5.c4 c5 6.cd5+= ed5 7.Qh5+/– g6 8.Qd5 Ne7 9.Qc4 Ng8? 10.bc5+– Be7 11.Nf3 Nc6 12.Be2 Bd7 13.0–0 Na5 14.Qc2 b6 15.cb6 Qb6 16.Nc3 Rc8 17.Rab1 Qd6 18.d4 Bc6 19.Qd1 Bf3 20.Bf3 a6 21.Qa4 Nc6 22.d5 Bd8 23.dc6 Bc7 24.Qe4 Ne7 25.g3 Kf7 26.Qc4 Kg7 27.Na4 Bd8 28.Rfd1 Qc7 29.Rd7 Qa5 30.Qe6 Qf5 31.Re7 Be7 32.Qe7 Kh6 33.Be4 Rce8 34.Qe8 Re8 35.Bf5 gf5 36.Bf6 Re6 37.c7 (37.c7 Re8 38.Bd8 Kg7 39.c8Q Re7 40.Be7 h5 41.Qf8 Kh7 42.Qf7 Kh6 43.Rb6#) 1–0. Diederich,Hauke – Jittler,Jonas, Schleswig Holstein–chA U16, 2000.

5.c4 c6 6.c5 Bc7 7.Nf3 Ne7 8.Nc3 0–0 9.Be2 Ng6 10.0–0 e5 11.d3 Bg4 12.Qb3 Bf3 13.Bf3+= Nd7? 14.e4+– Kh8 15.ed5 cd5 16.Nd5 a6 17.d4 Ne7 18.Ne7 Qe7 19.Bb7 Rab8 20.c6 ed4 21.Bd4 Bb6 22.Rfe1 Qd8 23.Rad1 Bd4 24.Rd4 Qb6 25.Rd7 a5 26.Ree7 Rg8 27.c7 Rb7 28.Qg8! Kg8 29.Rd8 (29.Re8) 1–0. xadrezpg (2290) – rak (2030), net–chess.com, 2010.

5.c4 Be5? 6.Be5+– fe5 7.Qh5 g6 8.Qe5 Nf6 9.cd5 0–0 10.de6 Qe7 11.Nf3 Ng4 12.Qc5 Qg7 13.Bc4 Kh8 14.d4 b6 15.Qg5 Nf6 16.Ne5 Ne4 17.Ng6 hg6 18.Qh4 Qh7 19.Qe4 Re8 20.Qa8 Be6 21.Be6 Qe7 22.Bd5 Nd7 23.Qa7 Nf6 24.Bc6 Rf8 25.Nc3 Ng4 26.Nd5 Qf7 27.0–0 Qh7 28.h3 Nf6 29.Nf6 Rf6 30.Qb8 Kg7 31.Qc7 Rf7 32.Qb6 Kh8 33.Qd8 Kg7 34.Bd5 Rf6 35.Qe7 Kh6 36.Qf6 Kh5 37.g4 Kh6 38.g5 Kh5 39.Bf3 Kh4 40.Qf4 Kh3 41.Qg3# 1–0. market (2150) – spamhead, GameColony.com, 2002.

5.Bd3 Nh6 6.Qh5 Nf7 7.Nc3 a5 8.b5 =.

5.Nf3 Ne7 6.c4 c6 7.c5 Bc7 8.Bd3 0–0 9.0–0 a6 10.Bc2 Nd7+= 11.d4 Re8 12.Nc3+/– Nf8 13.e4 de4 14.Ne4 f5 15.Ned2 Bd7 16.Ne5 Be5 17.de5 Nd5 18.f4 Ne3= 19.Qe2 Nf1 20.Rf1 Ng6 21.Bd4 Qh4 22.Be3 Qe7 23.Rf3 Nh4 24.Rh3= Ng6 25.Qh5 Nf8+= 26.g4 h6?? 27.g5 Qf7+= 28.Qh4 Qg6 29.Bd1 Re7 30.Bh5 Qh7 31.Nf3 Be8=+ 32.Be8 Rae8 33.gh6 g6 34.Ng5+/– Qh8 35.Nf3 Rh7 36.Qg5 Kf7? 37.Nd2+– Re7 38.Nc4 Kg8 39.Nd6 Nd7 40.Kf1 Kf8 41.Nb7 Ne5 42.Bd4 Nf7 43.Bh8 Ng5+= 44.fg5 Rb7 45.Rd3 Ke8? 46.Bg7+– Rc7 47.Rd6 Kf7 48.Ke2 Ke7 49.Ke3 Ke8 50.Kf4 Kf7 51.Ke5 Ke8 52.Re6 Re7 53.Re7 Ke7 54.a4 Kd7 55.Kf6 f4 56.Kg6 f3 57.Bd4 Re7 58.Bf2 Ke8 59.h7 Rh7 60.Kh7 (60.Kh7 Ke7 61.g6 a5 62.g7 ab4 63.g8Q Kd7 64.Bg3 b3 65.Qf7 Kd8 66.Bd6 f2 67.Qe7 Kc8 68.Qc7#) 1–0. Trkn – rts28, itsyourturn.com, 2000.

5.Nf3 Ne7 6.d4 0–0 7.c4 dc4 8.Bc4 b6 9.0–0 a6 10.Nbd2 b5 11.Bb3 Kh8 12.Rc1 Bd7 13.Qe2 a5 14.ba5 Ra5 15.e4 Ba3 16.Rb1 Bb2 17.Rb2 c6 18.Rfb1 Na6 19.d5? ed5–+ 20.ed5 Nd5 21.Bd5 cd5 22.Nd4 Re8 23.Qd3 Nc5 24.Qg3 Ne4 25.Ne4 de4 26.h4 Re5 27.Rd2 Qe7 28.Rbd1 Be8 29.Nb3 Ra8 30.Qc3 h6 31.Rd6 e3 32.fe3 Re3 33.Qd4?? Ra4 34.Nc5 Rd4 35.R1d4 Re1 (35...Re1 36.Kh2 Qe5 37.Rf4 Qf4 38.g3 Qf3 39.Rf6 Qh1) 0–1. futsalboy (1665) – bali63 (1645), kurnik, 2011.

5.f4 e5 6.fe5 fe5 7.Be5 Be5 8.Qh5+/– Kf8 9.Qe5 Nf6 10.Be2 Nbd7 11.Qd4+– b6 12.Nf3 c5 13.bc5 bc5 14.Qf4 Qe7 15.0–0 Ke8 16.Bb5 Rf8 17.Ne5 Nh5?? 18.Bd7 Bd7 19.Qf8 Qf8 20.Rf8 (20.Rf8 Kf8 21.Nd7 Kf7 22.Nc3+–) 1–0. Trkn – Arnout Mulder, itsyourturn.com, 2000.

5.f4 Nh6 6.Qh5 Nf7 7.Nc3 g6 8.Qh4 Be7 9.Bd3 f5 10.Qf2 b6 11.Nge2 Bb7 12.0–0 Nc6 13.b5 Na5 14.Nd4 Qd6 15.a4 Nc4 16.Bc4+/– dc4 17.a5 e5 18.Ba3 Qf6 19.a6 Bc8?? 20.fe5 Ne5 21.Nd5 Qg5 22.Be7 f4 23.Bg5 (23.Bg5 Rf8 24.Nc7 Kd7 25.Na8+–) 1–0. Fritz 11 – nn, 2011.

5.Qg4 g6 6.Qf3 a5 7.b5 Nd7 8.d4 =.

5.Qh5 g6 6.Qf3 Bd7 7.c4 c6 8.c5 Be5 9.Be5+= fe5 10.Nc3 e4 11.Qg3 Qf6?? 12.Nge2 Ne7 13.Nd4?? 0–0?? 14.Be2?? e5–+ 15.Nc2?? d4 16.Ne4+– Qf5 17.d3 Na6 18.ed4 ed4 19.Nd4 Qd5 20.Nf3 Nf5 21.Qd6?? Nd6–+ 22.cd6 Rae8 23.0–0 Bf5 24.Rac1 Be4 25.de4 Qd6 26.e5 Qe7 27.Bc4 Kg7 28.e6 (28.e6 Nc7 29.Rfe1–+) 0–1. erisonpassos – lizymach, kurnik, 2011.

3.a3 d6

4.e3 c6 5.Bd3 b5 (5...Ne7!?=) 6.Qh5+/– Ke7 7.Bh7 Nh6 (7...e5 8.a4+/–) 8.Bg6 Nf5?? (8...e5 9.Qe2+/–) 9.Qf3 (better is 9.Qh8 e5 10.a4+–) 9...Rh6 (9...Nh4!? 10.Qg3 Ng6 11.Qg6 a5+=) 10.Bf5+/– ef5 11.Ne2 g5 (11...d5 12.Nd4+/–) 12.Nd4+– c5?? (better is 12...Qd7+–) 13.Qa8 (13.Qa8 Bd7 14.Nb3+–) 1–0. Wall,Bill – Partyanimal, internet, 2004.

4.e3+/– Ne7 5.Qh5 (5.Nc3!?+/–) 5...g6= 6.Qh4 (better is 6.Qb5 Kf7 7.Nf3+=) 6...Ng8? (6...Bg7!?=) 7.f4 (7.Nf3 Bg7 8.Nc3+/–) 7...h5? (7...Bg7 8.Nc3+=) 8.Bc4 (8.Bd3 Rh6+–) 8...Qe7 (8...Bg7 9.Nf3+/–) 9.Nf3+– Bh6 (9...Bg7 10.Nc3+–) 10.0–0 Nc6 (10...Bg7 11.Nc3+–) 11.b5 Nd8 (11...Na5 12.Bd3+–) 12.d3 (12.Bd3!? Qg7+–) 12...d5 (12...Bg7 13.Qg3 Qf7 14.Nc3+–) 13.Bb3 Bd7 14.a4 (14.Nc3 Bg7+–) 14...c6 (14...Nf7 15.Nbd2+–) 15.Nbd2 Nf7 16.c4 Rh7 (16...Nd6 17.Ba3+–) 17.cd5 ed5 (17...cd5 18.e4 de4 19.de4 Rc8+–) 18.Ba3?? (better is 18.Rfe1 0–0–0 19.bc6 bc6 20.Ba3+–) 18...Qe3= 19.Qf2 Bf4?? 20.Rfe1 (20.Rfe1 Qe7 21.bc6 bc6 22.Be7 Ne7 23.Nh4+–) 1–0. Trkn – zkretch, itsyourturn.com, 2000.

4.e3 Nh6 5.d4 Nd7 6.Nf3 d5 7.c4 c6 8.cd5 cd5 9.Nc3 Nb6 10.Bd3 Bd7 11.Qc2 g6 12.Rc1 f5 13.Ne5 Qf6 (better is 13...Bg7!?+/–) 14.Nd7+– Nd7 15.Ne2 (15.Nb5 Rd8 16.Na7 f4+–) 15...Qd8 (15...Bd6!?+=) 16.Nf4+– Rc8?? (better is 16...Ke7+–) 17.Qc8 Qc8 18.Rc8 Ke7 19.Rc7 Bg7 20.Rb7 Rc8 21.Kd2 Ng4 22.Nh3 Kd8 23.f3 e5 (23...Ngf6 24.Ra7 Bh6 25.Rc1+–) 24.fg4 fg4 (24...ed4 25.Bd4 Bd4 26.ed4+–) 25.Ng5 Nf6 26.Ne6 Ke8 27.Ng7 (27.Bb5 Nd7 28.Rd7 a6 29.Ba4 Rc2 30.Kc2 ed4 31.Rg7) 27...Kf8+– 28.de5 Ne8 29.Ne8 Re8 30.Rf1 (30.Bb5 a6 31.Rf1 Kg8 32.Be8 a5 33.Bg6 hg6 34.Rc1 ab4 35.Rc8) 30...Kg8 31.Rff7 (31.e6 d4 32.Bd4 h5 33.Rg7 Kh8 34.Rg6 Kh7 35.Rf7) 31...Rf8 32.e6 Re8 33.Rg7 Kf8 34.Rbf7 1–0. Fournier,Frederic (1740) – medea, Active, 2008.

4.g3 e5 5.Bg2 Nd7 6.d3 Nb6 7.Nd2 Na4 8.Bc1?? Nc3–+ 9.Bd5 Nd1 10.Kd1 c6 11.Ba2 Ne7 12.Ngf3 Bg4 13.Nh4 Qb6 14.f3 Bh5 15.g4 Bg6 16.Nc4 Qc7 17.Bb2 d5 18.Ne3 0–0–0 19.a4 Qb6 20.Nhg2 Kb8 21.c3 a6 22.a5 Qc7 23.Kd2 d4 24.Nc4 dc3 25.Bc3 Nd5 26.Nge3 Bb4 27.Bb4 Nb4 28.Bb1 Nd5 29.Nd5 Rd5 30.Nb6 Rhd8 31.Nd5 Rd5 32.Ba2 Ra5 33.e4 Qd6 34.Rhc1 Ka7 35.h4 h5 36.Bc4 Ra1 37.Ra1 hg4 38.fg4 Be4 39.Ke3 Qd4 40.Ke2 Bd3! (41.Bd3 Qb2 42.Kf3 Qa1–+) 0–1. audrey – RATANOUS, caissa.com, 2004.

3.a3 Bd6

4.c4 Be5 5.Be5 fe5= 6.e4 Nf6 7.Nc3 a6 8.Nf3 d6 9.d4 ed4 10.Nd4 e5 11.Nf3 h6 12.c5= Bg4 13.Bc4 Bf3? 14.Qf3+/– Nc6 15.Ne2 Qd7 16.0–0 Rf8 17.Qf5 Qe7?? 18.Be6 Nd8? 19.Qg6 Nf7 20.Bf5 Nd7? 21.cd6 cd6 22.Nc3 Qg5 23.Nd5?? Qg6+/– 24.Bg6 0–0–0 25.Rfc1 Kb8 26.Bf7 Rf7+= 27.Rc7 Rdf8 28.Rac1 Rf2?? 29.Rd7+– R8f4 30.Nf4 Rf4 31.Rd6 Re4 32.Rc3 Re1 33.Kf2 Rh1 34.a4 Rh2 35.Rf3 Rh4+– 36.a5 Rb4 37.Rd7 Ra4 38.Rd5 g5 39.Re5 g4 40.Rf8 Ka7 41.Rh8 Ra2 42.Kg3 Ra4 43.Rh6 1–0. Trkn – pfctillidie, itsyourturn.com, 2000.

4.e3 Ne7 5.d4 b6 6.f4 f5 7.Nf3 0–0 8.Nbd2 Bb7 9.Bd3 Ng6 10.g3 h5 11.h4 c5 12.c3 Ne7 13.Ng5?? Bh1–/+ 14.Qh5 Rf6 15.dc5 bc5 16.c4 Nec6?? 17.Qh7+– Kf8 18.Qh8 Ke7 19.Qg7 Ke8 20.Bf6 Qf6 21.Qf6 Be7 22.Qg6 Kd8 23.e4 cb4 24.ef5 Na6 25.fe6 Nc5 26.ed7 Nd3 27.Ke2 Nf4 28.Ke3 Ng2?? 29.Ke2 Nd4?? 30.Kf2+– Bg5 31.Qe8 Kc7 32.Qa8 Be3 33.Kf1 Nc2 34.d8Q 1–0. bentengutama (1845) – eduardobandeira (1765), net–chess.com, 2002.

4.c4 Nh6 5.e3 0–0 6.Nf3 c5 7.b5 b6 8.Qc2 Bb7 9.Be2 Qc7 10.Nc3 Ng4 11.h3 Ne5 12.Ne4 Nf3 13.Bf3 Be5 14.Be5 Qe5 15.0–0 d5 16.Ng3 Nd7 17.Rad1 Rab8 18.d4 cd4 19.ed4 Qc7 20.Qe2 e5? (better is 20...Qd6!?+=) 21.cd5 ed4 22.Qe6 Kh8 23.d6 Qc8 24.Rd4 (better is 24.Bg4 Ne5 25.Qc8 (25.Rd4?! Qc5 26.Rfd1 Qb5+=) 25...Bc8 26.Be2+–) 24...Bf3+/– 25.gf3 h6 26.Nf5 Ne5 27.Qc8 Rbc8 28.Kg2 Kh7 29.f4 Ng6 30.Re1 Rc5 31.Ne7 Rd8 32.Ng6 Kg6 33.Re7 Rcc8 34.Ra7 Rb8 35.Kf3 Ra8 36.Ra8 Ra8 37.d7 Rd8 38.Ke4 Kf7 39.f5?? g5?? 40.fg6!+– Kg6 41.Rd6 Kf7 42.Kd5 h5 43.Kc6 Ke7 44.Kc7 f5 45.Re6! (45.Re6 Ke6 46.Kd8+–) 1–0. combijack (1770) – gbrooks, gameknot.com, 2012.

4.e4+= a5!? +=.

4.e4+= Be5 5.Be5+/– fe5 6.Qh5 Ke7 7.Qe5 d6?? 8.Qg7 Ke8 9.Qh8 Kf8 10.Qh7 Qd7 11.Qg6 Qg7 12.Qg7 Kg7 13.d4 Nc6 14.c3 e5 15.b5 Na5 16.Nd2 Nf6 17.de5 de5 18.Ngf3 Ng4 19.h3 Nf6 20.Ne5 Be6 21.f4 Nb3 22.Nb3 Bb3 23.Bd3 Ba4 24.Rb1 Rd8 25.Rb4 a6 26.Ra4 ab5 27.Bb5 c6 28.Be2 c5 29.Ra7 Rb8 30.Nc6 (30...Rf8 31.Rb7 Rf7 32.Rf7 Kf7 33.Bc4 Kf8 34.e5+–) 1–0. kamret (2120) – kinsd002, GameColony.com, 2002.

3.a3 e5

4.c4 A) 4...Nc6 5.e4 (5.b5 Nd4 6.e3 Ne6 7.d4 ed4 8.ed4=; 5.e3 d6 6.d4 ed4 7.ed4 Bf5 8.Nf3+=; 5.Nc3 d6 6.Nf3 f5 7.d4 ed4 8.Nd5=; 5.Nf3 e4 6.Nd4 a5 7.b5 Nd4 8.Bd4=) 5...d6 6.Nf3 f5 7.Bd3 f4 8.Be2+=; B) 4...Nh6 5.Nf3 (5.e4 a5 6.b5 Bc5 7.Qh5 Nf7 8.Nf3=; 5.e3 a5 6.b5 d6 7.d4 Bf5 8.Nf3=; 5.Nc3 a5 6.b5 Bc5 7.Nf3 0–0 8.e3=; 5.d4 ed4 6.Nf3 a5 7.Qa4 Nf5 8.Nd4=) 5...c5 6.bc5 Bc5 7.e3 e4 8.Nd4+=; C) 4...d6 5.e4 (5.Nf3 a5 6.Qa4 Bd7 7.b5 Be7 8.d4=; 5.e3 a5 6.b5 Nh6 7.d4 Bf5 8.Nc3+=; 5.Nc3 a5 6.e4 ab4 7.ab4 Ra1 8.Ba1=) 5...a5 6.b5 Nd7 7.d4 c5 8.d5+=; D) 4...c5 5.bc5 (5.b5 d5 6.cd5 Qd5 7.Nc3 Qd8 8.e3=; 5.Qa4 Be7 6.Nc3 Na6 7.b5 Nc7 8.Nf3=; 5.Qb3 Na6 6.b5 Nc7 7.Nc3 Ne7 8.e4=) 5...Bc5 6.e3 Qb6 7.Nc3 Na6 8.Na4+=; E) 4...a5 5.b5 (5.Qa4 c6 6.b5 d5 7.bc6 Nc6 8.cd5=) 5...Nh6 6.e3 d6 7.d4 Bf5 8.Nd2=.

4.d4 a5 5.b5 (5.de5 ab4 6.e3 ba3 7.Na3 Nc6 8.Nc4=; 5.e4 ab4 6.de5 ba3 7.Na3 Nc6 8.Nc4=) 5...ed4 6.Bd4 c5 7.Bb2 d5 8.e3 +=.

4.d4 Nc6 5.de5 (5.d5 Nce7 6.e4 a5 7.b5 Ng6 8.Bc4+=; 5.e3 ed4 6.ed4 d5 7.Bd3 Nh6 8.Nf3+=) 5...Ne5 6.e4 d6 7.Nf3 Be6 8.Nd4 +=.

4.d4 ed4 5.Qd4 Ne7 6.e4 a5 7.b5 Ng6 8.Nf3 +=.

4.d4 ed4 5.Bd4 Nc6 6.Bb2 d5 7.Nf3 Bg4 8.Nc3 =.

4.d4 ed4 5.Bd4 Nc6 6.Bb2 Be7 7.Nf3 Nh6 8.e3 0–0 9.c4 Ng4 10.Bd3 a6 11.Nbd2 d6 12.Qc2 g6 (12...f5 13.0–0+=) 13.h3 Nge5 14.Ne5 (14.Be4 Nf3 15.Nf3 a5+/–) 14...Ne5 15.0–0 Nd3 16.Qd3 Bf5 (16...Be6 17.Rad1+=) 17.e4 (17.Qd5!? Kg7 18.Qb7+/–) 17...Be6 18.f4 Bf7 19.Rad1 Qd7 20.Nf3 (20.f5 Qa4+/–) 20...Qc6 21.Rc1 b6 (21...a5 22.b5 Qc5 23.Bd4+=) 22.e5 (22.Ng5 Rae8+/–) 22...de5+= 23.fe5 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.d4 ed4 5.Nf3 a5 6.b5 c5 7.bc6 dc6 8.Qd4 =.

4.d4 Bd6 5.e3 (5.e4 ed4 6.Bd4 Nc6 7.Be3 Qe7 8.Bd3+=; 5.Nf3 ed4 6.Qd4 Nc6 7.Qd5 Qe7 8.Nc3+=; 5.c3 e4 6.c4 f5 7.d5 Nf6 8.c5=; 5.b5 ed4 6.Bd4 a6 7.e3 ab5 8.Bb5=) 5...ed4 6.ed4 Nh6 7.Qh5 Nf7 8.Bc4 +=.

4.d4 e4 5.d5 (5.e3 f5 6.d5 Nf6 7.Bc4 a5 8.b5+=; 5.c4 f5 6.e3 Nf6 7.Qa4 Be7 8.Nh3=; 5.Nd2 d5 6.c4 Be6 7.e3 a5 8.b5=) 5...a5 6.b5 Bc5 7.e3 d6 8.Nc3 +=.

4.e3 a5 5.b5 (5.ba5 Nc6 6.Nf3 d5 7.Bb5 Bd7 8.0–0=; 5.Bd3 Nh6 6.b5 d5 7.Nc3 Be6 8.Nge2=; 5.d4 ed4 6.Qd4 Nc6 7.Qe4 Nge7 8.Bb5=) 5...d5 6.d4 ed4 7.Bd4 Nh6 8.Bd3 +=.

4.e3 Nc6 5.d4 (5.Nf3 d5 6.Be2 Bd6 7.0–0 Be6 8.d4=; 5.Bd3 Nge7 6.Qh5 g6 7.Qh4 Bg7 8.b5=; 5.e4 Nge7 6.b5 Nd4 7.Bd4 ed4 8.Bc4=; 5.Be2 d5 6.Nf3 Bd6 7.0–0 Nge7 8.d4=) 5...ed4 6.ed4 Qe7 7.Be2 d5 8.Nf3 +=.

4.e3 d5 5.Nc3 a5 6.b5 Be6 7.Be2 Bd6 8.Bh5 =.

4.e3 d5 5.Bd3 e4 6.Be2 c5 7.bc5 Bc5 8.d3 Qb6 9.de4?? (better is 9.Bc3=) 9...Qb2–+ 10.Nd2 d4 11.Ngf3 (11.Rb1 Qa3 12.Nc4 Qc3 13.Kf1–+) 11…de3 (12.fe3 Nh6–+) 0–1. lidl4 – MasterofDisaster, Live Game Caissa's Web, 2004.

4.e3 d5 5.Nf3 Be6 6.d3 Nd7 7.Be2 c5 8.0–0 (8.bc5!? Bc5 9.d4=) 8...cb4+= 9.ab4 Bb4 10.Ba3 Ba3 11.Na3 Ne7 12.Qd2 Kf7 13.c4 dc4 14.dc4 Qc7 (14...Nc5 15.Qb4 Qb6 16.Qb6 ab6 17.Rfb1+=) 15.Rfc1 (better is 15.Nb5 Qb8 16.Nd6 Kg8 17.Rfb1=) 15...Rac8?? (15...a6 16.Qb4–/+) 16.Qb4?? (better is 16.Nb5 Qc5 17.Nd6 Kg8 18.Nc8 Nc8 19.Rd1+/–) 16...Qc5 (16...a6 17.Nd2 Qb6 18.Qb6 Nb6 19.Rcb1–/+) 17.Qb2 (17.Qb7 Rb8 18.Qa6 Rb2=) 17...Rc7 (17...Nb6 18.Bd3+=) 18.Rc2 (better is 18.Nb5!? Rc6 19.Ra7+=) 18...a6–/+ 19.Rac1 Rhc8 20.Bf1 Nb6 21.Nb1 Nc4 (better is 21...Bf5 22.Rd2 Kg8–/+) 22.Nbd2?? (better is 22.Bc4!? Bc4 23.Rc4 Qc4 24.Rc4 Rc4 25.Qb3+=) 22...b5 (better is 22...Nb2 23.Rc5 Rc5–+) 23.Nc4 Bc4 (23...bc4 24.Qa2–+) 24.Bc4? (better is 24.Nd2!? Qd5 25.Nc4 bc4 26.Rc3+=) 24...bc4–+ 25.Nd2 c3 26.Rc3 Qc3 27.Rc3 Rc3 28.Nf1? Rc1 29.g3 R8c2 30.Qb7 a5 31.Kg2 a4 32.Nd2 Rd2 0–1. Fournier,Frederic (1690) – radeklaburda (1920), rated lightning game (1/0), 2002.

4.e3 d6 5.Nf3 Nc6 6.c4 Nge7 7.d3 Nf5 8.Be2 Nce7 9.0–0 c6 10.Nbd2 d5 11.cd5 Nd5 12.e4 Nd4? (better is 12...Nfe3!? 13.fe3 Ne3+/–) 13.ed5 (13.Bd4 ed4 14.ed5 Qd5+–) 13...Qd5? (13...Ne2 14.Qe2 cd5+–) 14.Nd4 ed4 15.Nf3 (15.Re1 Kf7+–) 15...c5 16.bc5 Bc5 17.Qa4 (17.Nd4!? 0–0 18.Bf3 Qd7 19.Qb3 Kh8+–) 17...Bd7 18.Qc2 0–0 19.Rac1 Rac8 20.Qd2 b6 21.Rfe1 Bg4? (21...Rfe8 22.Kh1+–) 22.Qf4 (22.Nd4 Be2 23.Ne2 Rfe8+–) 22...Be6 (22...Bh5 23.Qh4+– (23.Nd4?! Bd4 24.Rc8 Rc8+/–)) 23.Nd4 Bd4 24.Qd4 Qd4 25.Bd4 Rc1 26.Rc1 h6 27.Be3 Kh7 28.Bf3 Bf5 29.Be4 (29.d4!? Rd8+–) 29...Be4 30.de4 Re8 31.f3 f5 32.Rc7 fe4 33.fe4 (better is 33.Bd4 Kg6 34.Rg7 Kf5 35.Ra7 ef3 36.gf3 b5+–) 33...Re4 34.Kf2 Ra4 35.Bc1 Rf4 (35...Kg8+–) 36.Bf4 1–0. Fournier,Frederic (1695) – trancadis, Active, 2007.

4.e3 Ne7 5.d4 (5.Nf3 d5 6.Be2 Nf5 7.0–0 Bd6 8.Nc3=; 5.Be2 a5 6.b5 d5 7.d4 e4 8.c4=; 5.c4 d5 6.cd5 Nd5 7.d4 e4 8.Bc4=; 5.Bb5 Nbc6 6.Nf3 a6 7.Be2 d5 8.d4=) 5...ed4 6.ed4 d5 7.Nf3 Qd7 8.Bd3 +=.

4.e3 Nh6 5.Nc3 d5 6.d4 c6 7.e4 ed4 8.Qd4 =.

4.e3 Nh6 5.c4 a5 6.b5 d6 7.d4 ed4 8.ed4 +=.

4.e3 Nh6 5.d4 ed4 6.Bd4 Nc6 7.Bc4 Nd4 8.ed4 =.

4.e3 Nh6 5.Be2 d5 6.d4 ed4 7.Bd4 a5 8.b5 =.

4.e3 Nh6 5.e4 a5 6.b5 d5 7.ed5 Qd5 8.Nc3 =.

4.e3 Nh6 5.Nf3 a5 6.ba5 d5 7.c4 =.

4.e3 Nh6 5.Nf3 e4 6.Nd4+= f5 7.Bc4 Ng4 (7...d5!? 8.Bb3 a5+=) 8.Nf5+/– (8…Nf6 9.Bf6 Qf6 10.Nd4+/–) 1–0. Wall,Bill – Boje, Internet, 2003.

4.e4 a5 5.b5 (5.ba5 d5 6.ed5 Qd5 7.Qh5 g6 8.Qf3=) 5...Bc5 6.Bc4 Qe7 7.Nh3 d6 8.Nc3 +=.

4.e4 Nc6 5.Nc3 (5.b5 Nce7 6.d4 ed4 7.Bc4 a6 8.ba6=; 5.Bc4 d6 6.Nf3 f5 7.ef5 Bf5 8.0–0+=; 5.Nf3 d5 6.ed5 Qd5 7.Nc3 Qe6 8.Bd3=) 5...d6 6.Bc4 f5 7.b5 Nce7 8.Qh5 +=.

4.e4 d5 5.ed5 Qd5 6.Nc3 Qe6 7.Qh5 g6 8.Qh4 =.

4.e4 d5 5.ed5 Qd5 6.c4 Qe4 7.Qe2 Qc2 8.Bc3 Qc1 9.Qd1 Qd1 10.Kd1 Nh6 11.d4 ed4 12.Bd4 Nc6 13.Bb2 Bd6 14.c5 Be5 15.Nc3 Ng4 16.Nh3 Be6 17.Be2 Bb3 18.Ke1 Nh6 19.Bd1 Bd1 20.Rd1 0–0 21.f4 Bc3 22.Bc3 Rae8 23.Kf2 Ng4 24.Kf3 Re3 25.Kg4 Rc3 26.Ra1 f5 27.Kh4 Rf6 28.Ng5?? Rh6# 0–1. Trkn – pfctillidie, itsyourturn.com, 2000.

4.e4 d5 5.Qh5 g6 6.Qh4 de4 7.Qe4 Nc6 8.Bb5 =.

4.e4 d6 5.Be2 (5.Bc4 f5 6.ef5 Bf5 7.Qf3 Qc8 8.d4+=; 5.Nf3 f5 6.ef5 Bf5 7.Bc4 Nd7 8.0–0=; 5.Nc3 f5 6.ef5 Bf5 7.Nf3 Nf6 8.Bc4=; 5.d4 ed4 6.Bd4 Nc6 7.Bb5 Bd7 8.Nc3+=) 5...Ne7 6.Nc3 Be6 7.Nf3 d5 8.d4 +=.

4.e4 Ne7 5.Nc3 (5.c4 d6 6.Nf3 f5 7.ef5 Nf5 8.d4=; 5.Qh5 g6 6.Qf3 Bg7 7.Bc4 d6 8.Ne2+=; 5.d4 ed4 6.Qh5 g6 7.Qh4 Bg7 8.Ne2=; 5.Nf3 d5 6.ed5 Nd5 7.d4 ed4 8.Qd4=) 5...d5 6.d4 ed4 7.Qd4 Nbc6 8.Bb5 +=.

3.a3 Qe7

4.e3 d5 5.Nf3 =.

4.e3 g6 5.Nf3 Bg7 6.Nc3 d6 7.Be2 f5 8.0–0 Bc3 9.Bc3+/– b6?? 10.Bh8+– Ba6 11.c4 d5 12.Qa4 b5 13.cb5 Bb7 14.Rac1 Kf7 15.Qa5 Nd7 16.Rc7 Rb8 17.Rd7! Qd7 18.Ne5 Ke7 19.Nd7 Kd7 20.Qa7 Kc7 21.Rc1 Kd6 22.Qb8 Ke7 23.Qb7 (23...Kd6 24.Rc6#) 1–0. b4_player (2235) – 4movecheckmate, GameColony.com, 2003.

4.Nf3 h6 5.e3 g5 6.h4 g4 7.Nd4 h5 8.c4 e5 9.Nf5 Qe6 10.e4 Nc6 11.Nc3 a6 12.Nd5 a5?? (better is 12...Kd8+/–) 13.Nc7+– Kf7 (13...Kd8 14.Ne6 de6 15.b5 ef5 16.bc6 bc6 17.d4 fe4 18.de5 Ke8 19.Qa4+–) 14.Ne6 (better is 14.b5!? Kg6+–) 14...de6 15.Ng3 Bd7 (15...ab4 16.a4+–) 16.c5 Nge7 (16...ab4 17.ab4 Ra1 18.Qa1 Nb4 19.Qa5+–) 17.b5 Nd4 18.Qa4 Bh6 19.Bd4 ed4 20.Qd4 Rhd8 21.Nh5 e5 22.Bc4 Kf8 (22...Be6 23.Be6 Kg6+–) 23.Qd6 Ra7 24.Qf6 Ke8 25.Qf7 1–0. Fournier,Frederic (2370) – Jlr, echecsemail.com, 2008.

4.Nf3 h6 5.e4+/– g6 6.Be2 Bg7 7.Nh4+– Qf7? 8.Ng6! Qg6 9.Bh5 Qh5 10.Qh5 Kf8 11.Qc5 d6 12.Qc7 Na6 13.Qd6 Ke8 14.b5 Bf8 15.Qg3 Nc5 16.Qg6 Ke7 17.Bd4 Nd7 18.Nc3 b6 19.Rg1 Bb7 20.Qh5 Rh7 21.Be3 Re8 22.f3 Bg7 23.Qg6 Nf8 24.Qg3 h5 25.Qc7 Nd7 26.Qb7 Bf8 27.Qa7 Rb8 28.Qc7 Ke8 29.Qc6 Re7 30.Na4 Kf7 31.Bf4 e5 32.Be3 Bh6 33.Bb6 Bg5 34.g3 Nh6 35.h4 Bd2 36.Kd2 Nb6 37.Nb6 Rd8 38.Nd5 Re6 39.Qc7 Ke8 40.Qg7 Nf7 41.Qg8 Kd7 42.Qf7 (42...Re7 43.Qe7 Kc8 44.Qc7#) 1–0. b4_player (2185) – aspenzen, GameColony.com, 2003.

4.Nf3 Nh6 5.e4 +=.

3.a3 Ne7

4.e4 Kf7 5.Nf3 g6 6.Ng5 Kg7+= 7.Bc4 h6 8.Nf3 Nbc6 9.0–0 a5 10.b5 Na7 11.e5 f5 12.Nc3 d5 13.ed6+– cd6 14.Nd5 (14...e5 15.Ne5 de5 16.Be5 Kh7 17.Bc7 Qd5 18.Bd5 Nd5 19.Be5+–) 1–0. Wall,Bill – Guest8218, Internet, 2003.

4.e4 Ng6 5.Nf3 =.

3.a3 Nh6

4.e3 a6 5.c4 d6 6.d4 Be7 7.Qh5 Kf8 8.Bd3+/– Qe8 9.Qe8 Ke8 10.Nd2 Bd7 11.Ne2 g5 12.h4 Bc6? 13.hg5+– Ng4 14.Nf4 fg5 15.Ne6 Kd7 16.d5 Ba4 17.Bh8 (17.Bh8 h5 18.Bf5+–) 1–0. luciano59 (2110) – chsen, internet, 2006.

4.e3 a6 5.d4 d5 6.c4 c6 7.Nf3 Be7 8.Bd3 Qc7 9.Nbd2 Nd7 10.0–0 Bd6 11.c5 Bh2? 12.Nh2+– f5 13.Qf3 Nf6 14.Qf4 Qe7 15.Nhf3 Nfg4 16.a4 Qf7 17.Ng5 Qh5 18.f3 0–0 19.fg4 Ng4 20.e4 Bd7 21.ed5 cd5 22.b5 Rae8 23.ba6 ba6 24.Ba6 e5 25.de5 Re5 26.Be5 (26...Ne5 27.Qe5 Qg5 28.Qd5 Kh8 29.Qd7 Qe3 30.Rf2 Qc5 31.Rb1+–) 1–0. Marre – majzleflavour, zagraj.pl, 2003.

4.e3 Nc6 5.Nf3 Bd6 6.c4 Be5 7.Ne5 Ne5 8.d4 Nef7 9.Bd3 d5 10.Nd2 dc4 11.Bc4 Nd6 12.Bb3 Bd7 13.0–0 0–0 14.Rc1 Re8 15.Nc4 Nc4 16.Bc4 c6 17.e4 Kf8 18.f4 Nf7 19.Qb3 b5 20.Be2 a6 21.Bh5 g6 22.Bf3 Nd6 23.e5 Nc4 24.Rcd1 a5 25.Bc1 a4 26.Qc3 fe5 27.fe5+– Kg7 28.Be4 Rf8 29.Qh3 Kg8 30.Rf8 Qf8 31.Rf1 Qe7 32.Rf6 Rf8? 33.Bg5 Rf6 34.Bf6 Qf7 35.Qg3 Be8 36.h4 Kf8 37.Qf3 Nd2 38.Qe3 Nc4 39.Qc1 Qd7? 40.Qh6+– Kg8 41.Qg5 Na3?? 42.Bf3?? Qf7 43.h5= Nc4 44.Bg4 Nb6 45.hg6 Qg6–/+ 46.Be6 Bf7 47.Bf7 Kf7 48.e6 Ke6–+ 49.Qe5 Kd7 50.Qe7 Kc8 51.Qd8 Kb7 52.Be5 Qf7?? 53.Qb8+– Ka6 54.Bc7 (54.Bc7 Qc7 55.Qc7+–) 1–0. juanpacio (1675) – chsen, internet, 2006.

4.e3 Nf7 5.f4 Qe7 6.Nf3+= g6 7.Bd3 Bg7 8.0–0 0–0 9.Qe1 Nc6 10.Nc3 d6 11.e4 Ncd8 12.Qh4 Re8 13.Rae1 c6+= 14.f5 g5 15.Qh5+/– e5 16.b5 h6 17.Kh1 Nh8 18.Bc4 Kf8 19.a4 Ndf7 20.Ra1 Rd8 21.a5 Bd7 22.a6 Be8 23.Ba3 Qd7 24.d4 Kg8 25.Bb3 Bf8 26.Be6 Qc7 27.ab7 Qb7 28.bc6 Qc6 29.Bb4 Rdb8 30.Bd5 Qc7 31.Ba8 Ra8 32.Nd5 Qd8 33.Ba5 Qb8 34.Bc7 Qc8 35.Nf6 Kg7 36.Ne8 Qe8 37.h4 Be7 38.de5 de5 39.Qg4 (39.Qg4 Bf6 40.Ba5+–; better is 39.Be5 Ne5 40.Qe8 Re8 41.Ne5 Bc5 42.f6 Kg8 43.f7 Nf7 44.Nf7 Re4 45.Nh6 Kh7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.e4 a5 5.b5 d5 +=.

4.e4 Nc6 5.Nf3 d5 6.ed5 ed5 7.Be2 Ng4 8.0–0 Bf5 9.Bb5 Bd6 10.Re1 Be4?? 11.d3+– 0–0 12.de4 Qe8 13.ed5 Bh2 14.Nh2 Qh5 15.Qg4 Qd5 16.Bc4 Qf7 17.Bf7 Rf7 18.Nd2 Rd8 19.Ne4 f5 20.Qg5 h6 21.Qd8 Nd8 22.Nc5 b6 23.Ne6 Nc6 24.Rad1 Rf6 25.Bf6 Kf7 26.Bg7 Kg6 27.Nf3 Kf7 28.Bh6 Kg6 29.Bf4 Kf6 30.Nc7 a5 31.Re6 Kf7 32.Rd7 Kf8 33.Re8 1–0. Germanicus – Doobi, ChessWorld.net, 2005.

4.Nf3 a6 5.e4 Nf7 6.Be2 b6 7.0–0 Bb7 8.Nc3 g6 9.d3 Bg7 10.d4 d6 11.d5 e5 12.Rb1 Nd7 13.Qd3 0–0 14.Nd2 a5 15.Ra1 Ba6 16.Nc4 Bc8 17.Rfe1 a4 18.Rab1 Nb8 19.Qg3 Bd7 20.b5 Bc8 21.Rf1 Kh8 22.f4 Nd7 23.Bg4 ef4 24.Rf4 Nde5 25.Ne5 Ne5 26.Bc8 Qc8 27.Ne2 Qd7 28.Nd4 Rae8 29.Ne6 Re6 30.de6 Qe6 31.Rff1 Nc4 32.Qd3 Nb2 33.Rb2 f5 34.Rb4 Be5 35.Ra4 f4 36.Ra7 Rf7 37.Rf3 g5 38.Ra8 Kg7 39.Rf2 g4 40.Kh1 h5 41.Rf1 Qf6 42.g3 f3= 43.a4 h4–+ 44.Qe3? Qg6?? 45.gh4+/– g3 46.hg3+– Qg3?? 47.Rg1 Qg1 48.Qg1 Kh7 49.Qg8 (49...Kh6 50.Qg5 Kh7 51.Qh5 Kg7 52.Rh8 Rf4 53.Qh7 Kf6 54.Rf8 Ke6 55.Qg6 Bf6 56.Qf7 Ke5 57.Qd5) 1–0. orane (1955) – manuel2 (1825), caissa.com, 2003.

4.Nf3 d5 5.c4 =.

3.b5 a6

4.c4 ab5 5.cb5 d5 6.e3 Nh6 7.Be2 Bd6 (7...e5 8.d4 e4 9.Nc3=) 8.Nf3 0–0 9.0–0 Bd7 10.d4 c6 11.a4 cb5 12.ab5 Ra1 13.Ba1 Qa5 14.Nc3 Bb4 (14...Rc8 15.Qb3=) 15.Qb3+= Nf7 (15...Rc8 16.Rc1+=) 16.Bb2+/– Bc3 17.Bc3 Qb6 18.Ra1 Nd6?? (18...Qc7 19.Bd2+/–) 19.Bb4 (better is 19.Ba5 Qa7 20.b6+–) 19...Rc8+/– 20.Bd6 Qd6 21.g3 (21.Bd3 Be8+=) 21...Be8 22.Ra7 Qb6 23.Qa4 (23.Ra8 Bg6=) 23...Nd7 (23...Na6! 24.Rb7 Qb7 25.Qa6 Qd7–/+) 24.Bd3 Nf8 25.Qa5 Qa5 26.Ra5 Rc3 27.Be2 Rc1 28.Kg2+= Kf7 29.Ra7 Rc7 30.Bd3 g6 31.Nd2 e5 32.Nb3 Ne6= 33.Nc5 Rc5 (33...Rc5 34.dc5 Nc5+=; better is 33...b6 34.Rc7 Nc7–/+) 0–1. Istvanny – Clyde Barrow (1700), internet, 2007.

4.e3 d5 =.

4.e4 ab5 5.Bb5 Ra5 6.Qh5+/– Ke7 7.Bc3 Rb5? (better is 7...g6!? 8.Qe2 Ra8+= 9.d4 Kf7 10.Nf3 d5 11.0–0 Bd7 12.Nbd2 Bb5 13.Qb5 b6; 7...Ra8 8.Nf3 b6 9.0–0 Ba6 10.a4 Qe8 11.Qh4 Qg6 12.d4 Ke8 13.Nbd2 Ne7) 8.Qb5+– c6 (8...Kf7 9.Qh5 g6 10.Qh4+–) 9.Qh5 g6 (9...b6 10.d4+–) 10.Qh4 Ke8 11.Nf3 Be7 12.0–0 e5 13.h3 (13.Qg3 Na6+–) 13...d6 (13...d5 14.ed5 Qd5 15.Qg3+–) 14.Qg3 Be6 15.d4 Bc4 (15...c5 16.d5 Bf7 17.Nfd2+–) 16.Rd1 Be2 (16...Nd7 17.Nbd2 Ba6 18.a4+–) 17.Rd2 Bf3 18.de5 (18.Qf3 Nd7+–) 18...Be4? (better is 18...Bh5 19.ed6 Bf8+–) 19.ed6 Bf8 20.Qe3 f5 21.Bh8 Nf6 22.f3 Nd5 23.Qe1 Qb6 24.Bd4 (24.Bd4 c5 25.fe4 cd4 26.ed5 Kf7 27.Qe6 Kg7 28.d7+–) 1–0. pierre – oppozz, internet, 2010.

4.e4 ab5 5.Bb5 c6 6.Bd3 g6 7.Nf3 Nh6 8.0–0 Bg7 9.Re1 Nf7 10.Nc3 b5 11.a4 b4 12.Na2 (12.Nb1 0–0+=) 12...c5 (12...Ra4 13.c3 bc3 14.Qa4 cb2+/–) 13.Bb5 0–0 14.d4 d6 15.c3 bc3 16.Nc3 cd4 17.Nd4 e5 18.Nc6 Nc6 19.Bc6 Rb8 20.Bc1 Qc7 (20...f5!?+/–) 21.Nd5 Qa5 22.Be3 Be6 23.Qd2 Qd8 (better is 23...Qd2!? 24.Ne7 Kh8 25.Bd2 Nd8+/–) 24.a5+– f5 25.a6 f4 26.Ba7 f3?? (26...Rc8 27.Bb6 Qg5+–) 27.Bb8 fg2 (27...Bh6 28.Qc2 Qg5+–) 28.a7 Ng5 29.Re3 Bh6 (29...Nh3 30.Rh3! Bh3 31.Qb2+–) 30.Qb4 Rf2 (30...Rf3 31.Kg2 Re3+–) 31.Kf2 Nh3 32.Rh3! Bh3 33.Qb3 (33.a8Q Qf8 34.Kg3 Bf4 35.Kh3 Qh6 36.Kg2 Qh2 37.Kf1 Qh3 38.Ke2 Qg4 39.Kd3 Qf3 40.Kc2 Kg7 41.Nf4 ef4 42.Qa7 Kh6 43.Qd2 Qe4 44.Be4 Kh5 45.Rg1 d5 46.Qh7) 33...Qg5 34.Bd6 Qd2 35.Kg1 Bf4 (35...Be3 36.Ne3 Kg7 37.Be5 Kh6 38.a8Q Qf2 39.Kf2 Bd7 40.Qf8 Kg5 41.Bf4 Kh5 42.Qh6) 36.Qb8 (36.Qb8 Bc8 37.Qc8 Kf7 38.Qe8 Kg7 39.Qf8; 36.a8Q Bc8 37.Qc8 Kg7 38.Qf8) 1–0. orane (1965) – manuel2 (1825), Live Game Caissa's Web, 2003.

4.e4 ab5 5.Bb5 c6 6.Be2 Nh6 (6...d5 7.ed5 Qd5 8.Bh5 g6 9.Bf3=) 7.Nf3 Qb6 (7...d5 8.e5=) 8.Qc1 (8.Bd4 Qd8+=) 8...Ng4 (8...d5 9.ed5 cd5 10.c4=) 9.0–0 (9.d4+=) 9...Ne5 (better is 9...d5!? 10.ed5 cd5+=) 10.Ne5+/– fe5 11.Be5 d6 12.Bh5 Ke7 (12...Kd8 13.Bf4+/–) 13.Bf4 (13.Bc3 Nd7+–) 13...e5 (13...Nd7 14.Nc3+/–) 14.Be3 (14.Bg5 Kd7+–) 14...g6?? (better is 14...Qc7+–) 15.Bb6 (15.Bb6 gh5 16.f4 ef4 17.Qb2+–) 1–0. marre – tsqm, internet, 2010.

4.e4 e5 5.ba6 Na6 6.d4 Bb4 7.c3+= Bd6 8.Bc4 c6 9.Nf3 b5 10.Bb3 c5 11.Bg8 Rg8+/– 12.de5 fe5 13.Qd5 Qe7 14.Qg8 Qf8 15.Qh7 b4 16.a3 bc3 17.Nc3 Qf7 18.Nb5 Be7 19.Ng5! Bg5 20.Nd6 Ke7 21.Nf7 (21.Nf7 Kf7 22.Be5+–) 1–0. orane3 – chexxi1, internet, 2006.

4.a4 ab5

5.ab5 Ra1

6.Ba1 b6 7.e4 d5 8.ed5 Qd5 9.c4 (9.Nf3 Bb7+=) 9...Qf5 (9...Qe4 10.Be2 Qg2 11.Bh5 g6 12.Bf3+=) 10.Nf3 g5 (10...Bb7 11.Be2=) 11.Be2+= Bg7 12.Nd4 Qg6?? (better is 12...Qc5+/–) 13.Bh5+– Qh5 (13...e5 14.Nc2+–) 14.Qh5 Kd7 (14...Ke7+–) 15.Qf7 (15.Qf7 Ne7 16.Ne6+–) 1–0. Valpa – Footyhead, playchess.de, 2004.

6.Ba1 c6 7.bc6 bc6 8.e3 Ba6 9.Ba6 Na6 10.Nf3 Bd6 (10...d5 11.0–0=) 11.0–0 e5 (11...Ne7 12.e4=) 12.Nc3 Nh6 13.Ne2 (13.Qe2 Nb4+=) 13...0–0 14.c4 (14.Ng3 Qe7=) 14...Qa8 (14...e4 15.Nfd4=) 15.Nc3 Qb8 (15...f5 16.d3=) 16.Qb1 (16.d4 Ng4+=) 16...Qb1 17.Rb1 Nb4 (17...Rb8 18.d4=) 18.Ne4 (18.d4 Nd3+=) 18...Be7= 19.Bc3 (19.d4 d5 20.cd5 cd5 21.Nc5 Bc5 22.dc5=) 19...c5 (19...Nd3 20.Rb7 d5 A) 21.Re7? de4 22.Rd7 Ng4–+ (22...ef3?! 23.Rd3 e4 24.Rd4=); B) 21.cd5 cd5 22.Ng3+=) 20.Bb4 (20.d4!?+=) 20...cb4= 21.c5 Rb8 (21...f5 22.Nd6 Bd6 23.cd6=) 22.d4 b3 (22...ed4!? 23.ed4 Kf7=) 23.de5 f5 (23...b2 24.ef6 Bf6 25.Nf6 gf6 26.Kf1+/–) 24.Nd6 (24.Ned2 b2+/–) 24...Nf7 (24...Bd6 25.ed6 b2 26.h3+/–) 25.Nd4 Ne5 26.Rb3 (26.Nb3?! g6=; 26.N4f5?! Bf8=) 26...Rb3 27.Nb3 Bd6 28.cd6 Nc4 29.Nc5 Nd6 30.Nd7 Kf7 31.Ne5 Kf6 32.Nd3 g5 33.f3 h5 34.Kf2 h4 35.h3 Ke6 36.g4 fg4 37.fg4 Ne4 38.Kf3 Kd5 39.Nf2 Nf2? 40.Kf2+– Ke4 41.Ke2 Ke5 42.Kd3 Kd5 43.e4 Ke5 44.Ke3 Kf6 45.Kd4 Ke6 46.e5 Kd7 47.Kd5 Kc8 48.Ke6 Kd8 49.Kf7 Kc7 50.e6 Kc6 51.e7 Kd5 52.e8Q Kd6 53.Qe4 Kc5 54.Ke6 Kb5 55.Qc2 Kb4 56.Kd5 Kb5 57.Qc5 Ka4 58.Qb6 Ka3 59.Kc4 Ka2 60.Kc3 Ka1 61.Qb2 1–0. tanto (1605) – bergwall, net–chess.com, 2002.

6.Ba1 c6 7.bc6 bc6 8.e4 Ba6 9.Ba6 Na6 10.Nf3 Bd6 11.0–0 Qa5 12.Bc3 Qh5 13.g3 (13.d4 g5+=) 13...Nc5 14.Nd4 (better is 14.Re1!?=) 14...Qd1–/+ 15.Rd1 e5 (better is 15...Ne4!? 16.Re1 Nc3 17.Nc3 Nh6–/+) 16.Nf5= Bb8 17.f3 g6 18.Ne3 Na4 19.Ba1 Ne7 20.Nc3 Nc3 21.Bc3 (worse is 21.dc3 Ba7 22.Kf2 d5–/+) 21...0–0 22.d4 ed4 23.Bd4 d5 (23...Kf7 24.Ng4 Ke6 25.Nf6 Rf6 26.Bf6 Kf6 27.Rd7+=) 24.ed5 cd5 25.Bc5 Kf7 (25...Re8 26.Kf2+/–) 26.Be7 (better is 26.Nd5!? Nd5 27.Bf8+– (27.Rd5?! Rc8 28.Kf1 Be5+/–)) 26...Ke7+/– 27.Nd5 Kf7 28.Re1 Ba7 29.Kg2 Rd8 30.Re7 Kf8 31.Ra7 Rd5 32.Rc7 f5 33.c4 Rd2 34.Kh1 g5?? 35.c5 h5 36.c6 Ke8? 37.Rc8 Rd8 38.Rc7 h4?? 39.gh4+– gh4 40.Kg2 Rd2 41.Kh3 Kd8?? 42.Rf7 Rc2 43.Rf5 Kc7 44.Rf4 Rc6 45.Rh4 Kd7 46.f4 Ke7 47.Rg4 Rc4 48.f5 Rc3 49.Kh4 Rc2 50.h3 Kf6 51.Rg5 Rc4 52.Kh5 Rf4 53.Kh6?? Rh4= 54.Rh5 Rh5 55.Kh5 Kf5 56.h4 Kf4?? 57.Kg6+– 1–0. Valpa – Footyhead, playchess.de, 2004.

6.Ba1 c6 7.e3 cb5 8.Bb5 Nc6 9.Nf3 Qa5 10.Nc3 Bb4 11.Bc6 bc6 12.Nh4 Bc3 13.Bc3 g6?? 14.Ba5+– 1–0. j1a9n55 – andrzejek054, kurnik, 2011.

6.Ba1 d5 7.e3 Bd7 8.c4 dc4 9.Bc4 c6 10.bc6 bc6 11.Nf3 Nh6 12.0–0 Qa5 13.Qb3 Bd6 14.Nc3 0–0 15.Be6 Be6 16.Qe6 Nf7 17.Ne4 Bc7 (17...Qc7 18.Bd4+–) 18.g3 (18.Nf6 gf6 19.Qf6 Bh2 20.Kh2 Qh5 21.Kg3 Qg6 22.Qg6 hg6+–) 18...Kh8? (better is 18...Qd5!? 19.Qd5 cd5+/–) 19.Nf6 (better is 19.Qe7!? Kg8 20.Nf6 gf6 21.Qf6 Be5 22.Be5 Ne5 23.Qg5 Kh8 24.Qe5 Qe5 25.Ne5 c5+–) 19...Nd8?? (19...Nd6+–) 20.Qe7 (20.Qe7 Ne6 21.Ne8+–) 1–0. Valpa – Footyhead, playchess.de, 2005.

6.Ba1 Ne7 7.e3 d5 8.Be2 Nd7 9.Bh5 g6 10.Be2 Bg7 11.Nf3 0–0 12.Nd4 Nc5 13.Bg4 (13.Nf3 Qd6=) 13...f5 14.Be2 Ne4 15.d3 Ng5 16.Nd2 c5 (16...e5 17.N4f3 Nf7 18.0–0=) 17.N4f3 (17.bc6!? Nc6 18.Nc6 bc6 19.Bg7 Kg7 20.Qa1 Qf6 21.d4+=) 17...Nf3= 18.Nf3? (better is 18.Bf3 e5 19.0–0=) 18...Qd7?? (better is 18...Qa5 19.c3 Bc3 20.Bc3 Qc3 21.Qd2 Qa1 22.Bd1 Bd7–/+) 19.Bg7+/– Kg7 20.Ne5 (20.Qa1 Kg8 21.d4 c4+/–) 20...Qd6 (20...Qb5!? 21.Qa1 Qb4 22.c3 Qb3=) 21.d4+= c4 22.c3 Qb6 23.Qb1 g5 24.f4 Ng6 25.fg5?? Ne5–+ 26.de5 Kg6 27.Qc1 Qb5 28.Rf1 Kg5 29.g3 Kg6–/+ 30.h4 h5 31.Qd1 Qb6 32.Bh5 Kh6 33.Qe2? Rg8 34.g4 Qb1 35.Kf2 Qe4 36.Qf3 fg4 37.Qf4?? Qf4–+ 38.ef4 Kh5 39.Rg1 b5 40.Kg3 Rf8 41.Rb1 Bd7 42.Ra1 Rf7 43.Ra8 Kg6 44.Rg8 Kh7 45.Rg5 Kh6 46.Kg4 1–0. Scirocco – toldo, Live Game Caissa's Web, 2004.

3.b5 b6

4.e3 Bb7 5.c4 Bb4 (5...a6 6.Nf3=) 6.a4 (6.a3 Be7=) 6...d5 (6...e5 7.Bc3 a5 8.Bb4 ab4 9.Nf3=) 7.cd5+= Bd5 8.Nc3 Bb7 9.Nf3 (9.Nh3 Qd7+=) 9...Ne7 (9...c5 10.Bc4+=) 10.Bc4 (10.Nd4 Qd7 11.Qg4 e5+/–) 10...Qd7 (10...e5 11.d4+=) 11.0–0 (11.Qb3 Bc3 12.dc3+/– (12.Qc3?! e5=)) 11...0–0 (better is 11...c5!?+=) 12.Qb3+– Bc5?? (better is 12...Qd6 13.Nd4 Kh8 14.Ne6 Rc8+–) 13.Be6 (13.Be6 Kh8 14.Bd7 Nd7 15.d4 Bf3 16.gf3+–) 1–0. Wall,Bill – Pamiegee, internet, 2000.

4.e3 Bb7 5.Nf3 g5?? 6.Be2?? (better is 6.Ng5 h5 7.Be2+–) 6...h6 7.0–0 g4 (7...a6 8.Nd4+=) 8.Nd4 (8.Nh4 h5+/–) 8...c6 (better is 8...h5!?+/–) 9.Bg4+– e5?? (9...Qc7+–) 10.bc6 (better is 10.Bh5 Ke7 11.Nf5 Ke6 12.Qg4+–) 10...dc6 11.Ne6 Qe7 (11...Qd6 12.Qf3 (worse is 12.Nf8 Qf8 13.d4 ed4+–) 12...b5 13.Nc3+–) 12.Bh5 (worse is 12.Nf8 Qf8 13.d4 ed4 14.Bh5 Kd8 15.Qd4 Nd7+–) 12...Kd7 13.Bg4 c5 14.Nf8 Ke8 15.Ng6 Qg7 16.Nh8 Qh8 17.d3 h5 18.Bf3 Qh7 19.Bb7 Qb7 20.Qh5 Kd8 21.d4 Nd7 22.de5 Qe4 23.Re1 Qc2 24.Bc1 fe5 25.Qe2 Qg6 26.Nd2 Ngf6 27.Qf3 Rc8 28.Nc4 e4 29.Qe2 a5 30.Rd1 b5 31.Ne5 Qf5 32.Nd7 Nd7 33.Qb5 Ke7 34.Qa5 Ke8 35.Qc3 c4 36.Rb1 Ne5 37.Kf1 Ng4 38.Qh8 (38.Qh8 Ke7 39.Rb7 Ke6 40.Qc8 Kf6 41.Rd6 Kg5 42.Rg7 Kh4 43.Qh8 Qh5 44.g3 Kh3 45.Qh5) 1–0. valpa – footyhead, playchess.de, 2003.

4.e3 Bb7 5.Nf3 g6 6.Be2 Bg7 7.0–0 Qe7 8.a4 Nh6 9.c4 Nf5 10.d4 0–0 11.e4 Nd6 12.e5 fe5 13.de5 Nf7 14.Ba3 d6 15.ed6 cd6 16.Nc3?? Nd7 17.Rc1 Nc5 18.Bc5 bc5 19.Bd3 Rad8 20.Ne4 d5 21.cd5 Bd5 22.Qc2 Nd6 23.Nd6 Qd6 24.Be4 Rf3 25.Bf3+/– Bf3 26.gf3 Bd4 27.Rcd1 e5 28.Qe4 Qf6 29.Qg4 Rf8 30.Rd3 Qb6 31.Rfd1 Rf4 32.Qd7 Qa5 33.Qe6 Rf7 34.Qb3 Kg7 35.R1d2 Rb7 36.Kg2 a6 37.Qd5 Rf7 38.Rd4 cd4?? 39.Qe5+– Kg8 40.Qe8 Rf8 41.Qe6 Kg7 42.Rd4 (42.Rd4 Rf7 43.Rd7 (43.Qa6? Qc3 44.Qc6 Qd4–+) 43...Rd7 44.Qd7 Kh6 45.Qa7+–) 1–0. j1a9n55 – kurdski, kurnik, 2011.

4.e3 d5 (--> 1.b4 d5 2.Bb2 e6 3.e3 f6 4.b5 b6).

4.e4 a6 5.c4 ab5 (5...Bb7 6.Qh5 g6 7.Qf3=) 6.cb5 Bb7 7.Nc3 Bc5 (7...Bb4 8.Qh5 g6 9.Qe2=) 8.Nf3 (8.d4 Bb4 9.Qg4 Qe7=) 8...e5 (8...Ne7 9.d4 Bb4 10.Bd3=) 9.Bc4+= Ne7 (9...Qe7 10.Qb3 Nh6 11.0–0+=) 10.0–0 c6 (10...Bb4 11.d4 Bc3 12.Bc3+/–) 11.a4 (11.d4 d5 12.bc6 Nbc6 13.Nd5 ed4 14.Nd4 Nd4 15.Bd4 Nd5 16.Bc5 bc5 17.ed5 0–0+–) 11...Ng6 (11...cb5 12.ab5 Ra1 13.Ba1+=) 12.bc6 (12.d4 Bb4+/–) 12...Bc6 (12...dc6!? 13.Ne2 Ba6 14.Ba6 Na6+=) 13.Nb5 (13.d4 ed4 14.Nd5 Bd5 15.Bd5 Nc6+/–) 13...Na6 (13...Be4 14.d4 Be7 15.de5 Ne5 16.Ne5+–) 14.d4 ed4 15.Bd4 Ne5?? (15...Bb4 16.Rb1+/–) 16.Bc5 (better is 16.Ne5 Bb5 17.ab5 Bd4+–) 16...Nc5?? (better is 16...Nc4 17.Bd6 Nd6 18.Nd6 Kf8+/–) 17.Nd6 (better is 17.Ne5!? Bb5 18.Qh5 Ke7 19.ab5 g6+–) 17...Ke7 18.Ne5 fe5 19.Nf5 Kf6 20.Qd6 Kg5 21.Qe5 Qf6 22.h4 Kh5 23.Be2 Kg6 24.Qg3 Kf7+– 25.Bc4 Kf8+/– 26.Qd6 Ke8? 27.Qf6 gf6 28.Nd6 Ke7+/– 29.Nb5 Be4 30.Rfe1+= f5?? 31.f3+– (31.f3 Ra4 32.Ra4 (32.fe4 Rc4 33.ef5 Kf6+=) 32...Na4 33.fe4+–) 1–0. metal – thelightofChrist, caissa.com, 2006.

4.e4 Bb7 5.Nc3 (5.Qh5 g6 6.Qf3 a6=) 5...a6 6.Qh5 (6.a3 ab5 7.Bb5 e5=) 6...g6 7.Qd1 (7.Qh4 Be7=) 7...ab5 (7...Bb4 8.Qg4=) 8.Bb5 c6 (8...Ra5 9.Nf3=) 9.Bc4 (9.Bd3 d5=) 9...b5 10.Bb3 Bg7 (10...b4 11.Nb1=) 11.Rb1 (better is 11.a4 b4 12.Nb1=) 11...f5?? (better is 11...Ne7!?=) 12.ef5 (12.Nb5!? Bb2 13.Nd6 Ke7 14.Nb7 Qb6+–) 12...gf5 (12...e5+/–) 13.Qh5 (better is 13.Nb5 Bb2 14.Nd6 Ke7 15.Nb7+/–) 13...Kf8+= 14.Nf3 Qe8? (better is 14...Nf6 15.Qh4 Na6=) 15.Qe8+– Ke8 16.Ne2?? Bb2+= 17.Rb2 Na6 18.0–0 Rb8 19.c3 d5 20.d4 c5 21.dc5 Nc5+= 22.Bc2 Ba6 23.Ned4 Ne7 24.Re1 Kd7 25.Ng5 Rbe8? 26.Nge6+– Ne6 27.Re6 Bc8 28.Rb5 Kd8 29.g3 Be6+/– 30.Ne6 Kd7 31.Nd4 Rc8 32.Rb7 Rc7+/– 33.Ba4 Kc8+= 34.Rb3 Rg8 35.Nb5 Rc5+= 36.Nd6 Kc7 37.Nb5 Kc6?? 38.Nd4+– Kd6 39.Rb6 Kc7 40.Re6 Rg7? 41.Nb5 Rb5? 42.Bb5+– Kd8 43.Rd6 Kc7 44.Rd7 Kb6 45.a4 f4 46.Kg2 fg3 47.hg3 h5 48.Rd6 Kc5 49.Rh6 Rg6 50.Rh5 Rf6 51.Re5 Nc6 52.c4 Rd6?? 53.f4 Ne5 54.fe5 Re6 55.cd5 Re5 56.Bc6 Re2 57.Kf3 Rc2 58.Kf4 Kd4 59.g4 Rf2 60.Kg5 Ke5 61.Bb7 Rf7 62.Bc6 Rg7?? 63.Kh4 Kf4 64.a5?? Rg4 65.Kh5+/– Kf5?? 66.a6 Rg7 67.Kh6 Ra7= 68.Bb7 Ke5 69.Kg6 Kd6 70.Kf6 Ra6 ½–½. mic (2100) – vlopes, net–chess.com, 2008.

4.e4 c6 5.a4 cb5 (5...d5!?=) 6.ab5+= Bb7 7.f3 Ne7 8.d4 Ng6 9.Bc4 (9.Nh3 Bd6+=) 9...Bb4 10.c3 Ba5 11.Ne2 0–0 (11...d5 12.Bd3+=) 12.0–0 (12.Ba3 Re8+/–) 12...Kh8 (12...d5!? 13.Bd3 a6+=) 13.Ba3+/– Re8 14.Bd6 a6 15.e5 (15.Qd3 ab5 16.Bb5 Nc6+/–) 15...fe5 16.de5 ab5 17.Bb5 Nc6 18.Bc6 (18.f4 Qh4+/–) 18...Bc6 (18...dc6 19.c4=) 19.c4 b5 20.c5 b4 21.Nd2 Bb5 (21...Bc7!? 22.Nc4 Qh4+=) 22.Nb3+/– Bc7? (22...Ra6+/–) 23.Re1?? (better is 23.Ra8 Qa8 24.Bc7+–) 23...Be2 24.Re2 Ra1 25.Qa1 Bd6 26.cd6 Nf4 27.Ra2 h6 28.Ra7 Qb6= 29.Kf1?? Qb5–+ 30.Kg1 Ne2?? 31.Kh1 Nc3 32.Nd4?? Qe5–+ 33.Nc2 Qd6 34.Rb7 Rd8 35.Rb4 Qd1 36.Qd1 Nd1 0–1. wach – elmerfuddsicle, Caissa.com, 2004.

4.e4 d5 5.ed5 ed5 6.Bd3 Ne7 7.Nh3 Bh3 8.Qh5 (worse is 8.gh3 a6+=) 8...g6 9.Qh3 Nd7 10.c4 Ng8?? (better is 10...Ne5!?+=) 11.0–0 (better is 11.Bg6!? hg6 12.Qh8 Qe7 13.Kd1 Qf7 14.Re1 Ne7 15.cd5 Qd5 16.Bf6 Nf6 17.Qf6 Qg2+–) 11...Ne7 12.Re1 Nc5?? 13.Bf6 Nd3 14.Qd3 Rg8 15.Nc3 dc4 16.Qc4 Qd6 17.Be7 Be7 18.Qg8 Kd7 1–0. Trokenheim,Marek (1765) – Sas,Istvan, OP–2012–0–02058, 2012.

4.e4 d6 5.Nc3 e5 (5...a6 6.a4+=) 6.Bc4 Ne7 (6...a6 7.a4+=) 7.Qh5 (7.Nd5 Qd7+=) 7...g6+= 8.Qf3 Bg7 9.Nh3 h5 (9...Rf8 10.0–0+=) 10.0–0 (10.Nd5 Nd5 11.Bd5 c6 12.bc6 Qc7+/–) 10...Bg4 11.Qg3 g5 (11...Qd7 12.Nd5+=) 12.Ng5 (12.a4 c6+=) 12...fg5+= 13.h3 Bd7 14.Qf3 Rf8?? (14...d5 15.Nd5 g4 16.Nf6 Bf6 17.Qf6 Rh7+–) 15.Qh5 (15.Qh5 Ng6 16.Qg6 Rf7 17.Qf7#) 1–0. pierre – wmvr, internet, 2009.

4.Nf3 a6 5.e3 =.

4.Nf3 Bb7 5.e3 Kf7 6.Be2+= d5 7.0–0 c5 8.c4 Bd6 9.d4 Nd7 10.cd5 ed5 11.Nc3 Ne7 12.dc5 bc5 13.Rc1 Nb6 14.Qc2 g5 15.Rfd1+/– h5 16.a4 a5 17.ba6 Ba6 18.Ba6 Ra6 19.Nb5 Bb8 20.Qc3?? Na4= 21.Qb3 Nb2 22.Qb2=+ Rb6 23.Rc5+/– g4 24.Nfd4 h4 25.g3 Rh5 26.Qa2 hg3= 27.fg3 Qh8 28.Qg2 Qh6= 29.Rc3 Be5 30.Rcd3 Ra6 31.Nc3 Bd4 32.ed4 Re6 33.Ne2 Re3 34.Nf4+= Rf5?? 35.Re3+– Rf4 36.gf4 Qf4 37.Qf2 Qg5 38.Rde1 Ng6 39.Qg3 Nf4 40.Re7 Kg6 41.Qe3 (41...Nh3 42.Kg2 Qe3 43.R1e3+–; 41.Rf1!? f5 42.Re5 Nh3 43.Kh1 f4 44.Qd3 Kh6 45.Qa6 Qg6+–) 1–0. Efthimakis,Dimitros (2070) – Zahariou,Nikolaus, Ambelokipi op, 2001.

4.Nf3 h6 5.g3 (5.Nh4 Ne7+=) 5...d5 6.Bg2 a6 7.ba6 Na6 8.0–0 Bb7 9.d3 Bd6 10.Nbd2 Qd7 11.c4 0–0–0 (better is 11...Ne7!?=) 12.cd5 Bd5 13.a4 Ne7 (13...Bb4!?+/–) 14.a5 b5 15.Rc1 Nc6 16.e4 Nab4? (better is 16...Ba2 17.d4 Rde8+/–) 17.ed5+– ed5 18.Nb3 Rhe8 19.Nfd4 (19.Nc5 Bc5 20.Rc5 Nb8+–) 19...Be5 (19...Ne5 20.a6! c6+–) 20.Nc6 Nc6 21.Be5 fe5 22.Nc5 Qd6 (22...Qf5 23.a6 Na7 24.Bf3+–) 23.a6 Qf6 (23...Na7+–) 24.Bh3 Kb8 25.Nd7 Rd7 26.Bd7 Re6 (26...Nd4 27.Be8 Qa6 28.Rb1+–) 27.Be6 Qe6 28.Qc2 1–0. mr5reasons1 (1675) – chessy_ab, gameknot.com, 2012.

4.g3 e5 5.Bg2 d5 6.c4 Be6 7.Nc3 Bb4? (better is 7...Ne7!? 8.d4 e4+=) 8.Nd5+– (8.Bd5?! Bc3 9.dc3 Bd5 10.Qd5 c6 11.Qd8 Kd8+=; worse is 8.cd5 Bd7+/–) 8...Ba5 (better is 8...Bd5 9.Bd5 c6 10.bc6 Qc7+–) 9.Nc7! Qc7 10.Rc1 Bc4 11.Ba8 Qf7 12.Qc2 Be6 13.Qc7 Qc7 14.Rc7 Nd7 15.Bc6 Kd8 16.Ra7 Ne7 17.Nf3 Nb8 18.Be4 h6 (18...Nd7 19.Ba3 Nc8 20.Ra8+–) 19.0–0 (19.Ne5 fe5 20.Be5 Nd7 21.Bg7 Nc5+–) 19...f5 (19...Re8 20.Ra8 Kd7 21.d4 Ba2 22.de5+–) 20.Bb7 Bd5 (20...e4 21.Nd4 Bg8+–) 21.Bd5 Nd5 22.Rc1 Re8 23.Ne5 Nd7 (23...Re5 24.Be5 Nd7 25.Bg7 h5+–) 24.Rd7 1–0. Fritz 11 – bob_sapp_the_bea, 2013.

3.b5 Bc5

4.d4 Bb4 5.c3 Bd6 (5...Ba5 6.e4+=) 6.e4 Ne7 (6...a6 7.Nd2+=) 7.Qh5 g6 (7...Ng6 8.e5 Be7 9.ef6 Bf6 10.Bd3+=) 8.Qh6+/– c6 (8...Kf7 9.Nd2+/–) 9.Qg7 Rf8 10.Bc1 h5 (10...a6!?+/–) 11.Bh6+– Rf7?? (better is 11...Rg8 12.Qf6 cb5+–) 12.Qh8 Ng8 13.Qg8 Bf8 (13...Ke7 14.Qg6 Qh8 15.Nf3+– (worse is 15.Qh5 Rh7 16.e5 Be5 17.de5 Rh6 18.ef6 Qf6+–)) 14.Bf8 Rf8 15.Qg6 Ke7 16.Qh5 Qa5 (16...Rh8 17.Qg6+–) 17.e5 d5 (17...fe5 18.Qg5 Kd6 19.Qe5 Ke7 20.Qg5 Rf6 21.Nf3+–) 18.ed6! Kd6 (18...Kd7+–) 19.Qc5 (19.Qc5 Kc7 20.Qf8+–) 1–0. Baumann,Heinz (2355) – Max,Bitterling (2035), remoteschach.de, 2003.

4.d4 Bb4 5.Nd2 Ne7 6.e4 0–0 7.Bc4 (7.c3!? Ba5 8.Ngf3+=) 7...d5= 8.ed5 ed5 9.Bb3 Qe8 10.Ne2 Qb5 11.0–0 Bf5 12.Nc3 Qd7 13.Re1 Nbc6 14.Ne2 Bg6 (14...Rae8 15.c3 Bd6 16.c4–/+) 15.Nf4 Bf7 16.c3 Bd6 17.Qf3 Bf4 18.Qf4 Ng6 19.Qg3 Rae8 20.c4 (better is 20.Ba3!? Nce7 21.Bc2=) 20...dc4–/+ 21.Nc4 Nd4 22.Re8 (22.Ne3 c5–+) 22...Re8 (22...Be8?! 23.Bd4 Qd4 24.Rd1+=; 22...Qe8? 23.Bd4 Qe4 24.Rd1+/–) 23.Rd1?? (23.Kh1 b5 24.Na5 Nb3 25.ab3 b4–+) 23...c5 (23...Ne2 24.Kh1 Ng3 25.hg3–+) 24.Ne3?? (better is 24.Bd4 Qd4 25.Ne3–+) 24...Bb3 25.ab3 Qb5 26.Qd6? Qb3 27.Bd4 cd4 (27...cd4 28.Qd4 a6–+) 0–1. gtate (1900) – ironhorse (2080), net–chess.com, 2005.

4.e3 a6?? 5.a4 (better is 5.Qh5 g6 6.Qc5+–) 5...Ne7?? (better is 5...d5=) 6.Nf3 1–0. cmulligan (2260) – ekosachro (2435), net–chess.com, 2011.

4.e3 Na6?? 5.ba6+– ba6 6.Qh5 g6 7.Qc5 Rb8 8.Ba3 d6 9.Qc6 Bd7 10.Qa6 Rb6 11.Qa7 Rc6 12.Nc3 Nh6 13.Rb1 Rc4 14.Rb8 Bc8 15.Bc4 e5 16.Bd6! Qd6 17.Rc8 Ke7 18.Rc7 Kf8 19.Rc8 Qd8 20.Rd8# 1–0. nordlicht – anna@, mySchach.de, 2004.

4.e3 d5 5.d4 Bb4 6.c3 =.

4.e3 d5 5.Nf3 a6 6.a4 Nh6 7.Be2 e5 8.0–0 0–0 9.d4+= ed4 10.Nd4 Bd7? 11.Nb3+– Qe7 12.Qd5 Be6 13.Qc5 Qc5 14.Nc5 Bc8 15.Nd2 b6 16.Ncb3 Nd7 17.Bf3 Rb8 18.c4 ab5 19.ab5 g5 20.Ra7 Bb7 21.Bb7 Nc5 22.Nc5 Rfd8 23.Bc3 Kg7 24.Ne6 Kf7 25.Nd8 (25...Rd8 26.Bd5 Kg6 27.Rc7+–) 1–0. nordlicht – Matthias, mySchach.de, 2003.

3.b5 c6

4.a4 a6 5.c4 d5 6.e3 ab5 7.ab5 Ra1 8.Ba1 Bd7 9.Nc3 Ne7 10.Nf3 cb5 11.cb5 Ng6 12.Be2 Bb4 13.0–0 Qb6 14.Qa4 Bc3 15.Bc3 Na6 16.Ba5 Nc5? 17.Qb4 Qd6+/– 18.Bb6?? Qb6–+ 19.d4 Na6! 20.Qa3 Bb5?? 21.Rb1=+ Nc7 22.Nd2?? Qa6 23.Qc5 Be2 24.Qc7 0–0?? 25.Rb7+– Ra8?? 26.Qg7 1–0. nizinna (1680) – sapcia1978, kurnik, 2011.

4.c4 cb5 5.cb5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 d6 9.e3 Nd7 10.Nf3 b6 11.Be2 Ne7 12.0–0 g6 13.d4 Bg7 14.Nbd2 0–0 15.Bb2 Nd5 16.Ba3 Qe7? 17.Nc4 Qd8 18.Nd6 Nc3 19.Qd2 Ne2 20.Qe2 e5 21.Nc8 Qc8 22.Bf8 Qf8 23.de5 Ne5 24.Ne5 fe5 25.Qc4 Kh8 26.Rc1 h5 27.Qc8 Kh7 28.Qf8 Bf8 29.Rc7 Kh6 30.h4 g5 31.Rc6 Kg7 32.hg5 Bc5 33.Rc5! bc5 34.b6 c4 35.b7 c3 36.b8Q 1–0. ludice (1635) – mzs78 (1610), kurnik, 2011.

4.c4 d5 5.e3 Bc5 (5...e5 6.Nc3=) 6.Qb3 (6.d4 Bd6=) 6...Bd7 (6...e5 7.d4 ed4 8.ed4 Qe7 9.Kd1=) 7.a4 (7.d4 Bd6=) 7...Ne7 (7...Qa5 8.Bc3 Qd8 9.d4+=) 8.Nf3 0–0 (8...Bd6 9.Ba3 Ba3 10.Ra3=) 9.Bd3 (9.d4 Bd6=) 9...e5 (9...cb5 10.ab5 Qb6 11.Nc3+=) 10.Bc2 (10.cd5!? cd5 11.Qc2+=) 10...Bg4 (10...Be6 11.d3+=) 11.Bd1 (11.Nc3 Qd7+=) 11...e4 (11...Be6 12.d3+=) 12.Nd4+= Bd4 (12...Bd1 13.Kd1 Bd4 14.Bd4+=) 13.Bd4 Bf5 (13...Bd1!? 14.Kd1 Qd7+=) 14.0–0= Be6 (14...a6 15.f3=) 15.Be2 (15.d3 Nf5 16.Bc5 dc4 17.dc4 Rf7+=) 15...Nf5 (15...b6 16.d3=) 16.Bb2 (16.Bc5 Rf7=) 16...Nd7 (16...dc4 17.Bc4 Bc4 18.Qc4 Qd5 19.Qd5 cd5+=) 17.d3 (better is 17.Ba3!? Re8 18.Nc3=) 17...Nc5–/+ 18.Qc2 (18.Qb4 ed3 19.Bg4 Qd6+=) 18...ed3 19.Bd3 dc4?? (better is 19...Nd3 20.Qd3 dc4 21.Qd8 Rfd8 22.bc6 b6–/+) 20.Bc4?? (better is 20.Bf5 Bf5 21.Qf5+–) 20...Nd6 (better is 20...Bc4 21.Qc4 Qd5 22.Qd5 cd5=) 21.bc6?? bc6?? 22.Be6+/– Ne6 23.Qc6 Rc8 24.Qd5 Re8 25.Nc3 Rc5 26.Qb3 Re7? 27.Rad1 Qc7 28.Nd5 Qd7 29.Ne7 Qe7 30.Rd3 Rc8 31.Rfd1 Rd8 32.Ba3 Qb7 33.Qe6 Qf7 34.Qf7 Kf7 35.Rd6 Rd6 36.Rd6 Ke7 37.Ra6 (37.Ra6 Kd8 38.Ra7+–) 1–0. Hasler,Ulrich – Krahl,Wolfgang, CiF, 1996.

4.e3 cb5 5.Bb5 a6 6.Ba4 Bb4 (6...b5 7.Bb3=) 7.Nf3 Nh6 8.0–0 b5 9.Bb3 Bb7 10.c4 0–0 11.cb5 ab5 12.Nc3 Nf5 (12...Bc3 13.dc3 Qc7 14.Nd4=) 13.h3 (13.Nb5 Qa5 14.Nc3 Nc6+/–) 13...Nc6 (13...Nd6 14.a3 Bc3 15.Bc3=) 14.d4 (14.Nb5 Ba6 15.Bc4 d5+=) 14...d5 (14...Bc3 15.Bc3 b4 16.Bd2=) 15.a3 (15.Nb5!? Nd6 16.Nc3+=) 15...Bc3= 16.Bc3 Kh8 (16...Qe7 17.Qd3=) 17.Bc2+= g6 18.a4 (18.Bf5!? gf5 19.Qd3+=) 18...b4= 19.Bb2 Rf7 20.Re1 Qd6 21.e4 de4 22.Be4 Ra5 (22...Na5 23.d5 ed5 24.Bf5 gf5 25.Ng5+/–) 23.Qe2 (23.Nd2 Ra6 24.Nc4 Qf8+/–) 23...Nfd4 (23...Nd8!?=) 24.Nd4+/– Nd4 25.Bd4 (better is 25.Qc4 Nc6 26.Rad1+/–) 25...Ba6?? (better is 25...Qd4 26.Bb7 Rb7 27.Qe6 Kg7=) 26.Qb2 e5 27.Be3 Kg7 (27...Bb7 28.Qd2 Qd2 29.Bd2+–) 28.Red1 Qe7 (28...Qb8 29.Qd2 Rc7 30.Qd6+–) 29.Qb3 f5 30.Bc6 Qf8 31.Rd7 f4 32.Rf7 Qf7 33.Qf7 Kf7 34.Bb6 Bb5 35.Bb5 Ra8 36.a5 1–0. gtate (1960) – kenc (1900), net–chess.com, 2006.

4.e3 cb5 5.Bb5 a6 6.Bd3+= Bd6 (6...Nh6!?+=) 7.Qh5+/– Ke7 (7...Kf8 8.Nf3+/–) 8.Nf3 (8.Bh7 b6 9.Qg4+/–) 8...g6? (better is 8...Nh6!?+/–) 9.Bg6!+– f5?? (9...hg6 Exploits the pin 10.Qh8) 10.Qh4 Nf6 11.Qf6# 1–0. marekt – steamy, sachy.sk, 2008.

4.e3 cb5 5.Bb5 Qb6 6.a4 =.

4.e3 cb5 5.Qh5 g6 6.Qb5 Nc6 =.

4.e3 Ne7 5.Qh5 g6 6.Qh4 Nf5? (better is 6...Bg7=) 7.Qf6+/– Qf6 8.Bf6 Rg8 9.e4 Bg7 10.Bg7 (10.ef5 Bf6 11.c3 gf5+=) 10...Rg7? (better is 10...Ng7 11.e5 cb5+/–) 11.ef5 ef5 12.Nc3 Re7 13.Be2 d6 14.Nf3 Be6 15.a4 Nd7 (15...a6 16.bc6 Nc6 17.d4+–) 16.0–0 Nc5 17.Nd4 Rc8 18.Rfe1 (18.a5 Bd7+–) 18...Kf8 19.Bf3 Bd5 (19...Bd7 20.Re7 Ke7 21.Re1 Kf6 22.h4+–) 20.Re7 Ke7 21.Re1 Kf7 22.Nd5 cd5 23.Bd5 Kg7 (23...Kf6 24.a5+–) 24.Re7 Kh6 25.a5 a6 26.b6 f4 (26...Rd8 27.Nf3+–) 27.h3 Na4 (27...Rb8 28.Ne2 Rc8 29.d4+–) 28.Bb7 Rc4 29.c3 Rc5 (29...Nc5 30.Bc6 d5+–) 30.Ba6 Ra5 31.b7 f3 (31...Nb6 32.b8Q Nd7 33.Rd7 Ra1 34.Kh2 Ra3 35.Qf8 Kh5 36.Rh7 Kg5 37.Qe7) 32.b8Q fg2 (32...Rf5 33.Nf5 Kg5 34.h4 Kh5 35.Re4 gf5 36.Qg8 fe4 37.Qg5) 33.Qf8 Kg5 (33...Kh5 34.Rh7 Kg5 35.f4) 34.Nf3 (34.Nf3 Kh5 35.Rh7#) 1–0. b4_player – opponent, internet, 2008.

4.e4 d5 =.

3.b5 d5

(--> 1.b4 d5 2.Bb2 e6 3.b5 f6).

4.e3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f6 4.b5).

3.b5 Ne7

4.a4 c6 5.e4 b6 6.c4 cb5 7.ab5 Bb7 8.d3 d5 9.ed5 ed5 10.Qf3 Qc7 11.Qg3 Qg3 12.hg3 dc4 13.dc4 Nf5 14.Nf3 Bc5 15.Bd3 Nd6 16.0–0 0–0 17.Nd4 Bd4 18.Bd4 Nd7 19.Be3 Nc5 20.Be2 a5 21.Nc3 Rae8? 22.Rad1 Nde4 23.Ne4+= Re4? 24.Bf3?? Re7 25.Bc5 bc5 26.Bc6 Bc6=+ 27.bc6 Rc7 28.Rd6 Rfc8 29.Ra1 Ra8 30.f4 Ra6 31.Re1 h6 32.Rd8 Kh7 33.Ree8 Rcc6?? 34.f5 g5 35.Re7 1–0. poganinbezdom (1675) – darkadamon123 (1685), kurnik, 2011.

4.e3 b6 5.Nf3 Bb7 6.Be2 d6 7.0–0 Nd7 8.a4 Nd5 9.c4 Ne7 10.d4 Nf5 11.Nbd2 Be7 12.e4 Nh6 13.d5 e5 14.Nh4 0–0 15.Nf5 Nf5 16.ef5 Nc5 17.f4 a6 18.fe5 de5 19.Rf3 e4 20.Rh3 h6 21.Qe1 Kh7 22.Bh5 Nd3 23.Ne4?? Ne1–+ (23...Ne1 24.Re1 ab5 25.Bg6 Kg8 26.ab5 Ra4–+; 23...Nb2?! 24.Qc3 Nc4 25.Qc4 Bd5 26.Bg6 Kg8 27.Qc2 ab5 28.Rd3–+) 0–1. elsh1403 – majiec333, kurnik, 2011.

4.e3 Nd5 5.Qh5 g6 6.Qh4 Bg7 7.c4 Nb4? 8.Na3?? 0–0 9.Nf3 f5 10.Bg7 Kg7 11.Qd4 Kg8 12.Be2 c6 13.0–0 d6 14.Rfb1 c5 15.Qc3 Nd7 16.Nc2 a5 17.Nb4 ab4 18.Qb3 Ne5 19.d4 cd4 20.ed4 Nf7 21.Qb4 b6 22.a4 Bb7 23.a5 ba5 24.Qb3 Bf3 25.Bf3 Rc8 26.b6 d5 27.cd5 ed5 28.Ra5 Kg7 29.Rd5 Qe7 30.Ra5 Qh4 31.Ra7 Rfd8?? 32.Qf7 Kh6 33.Qh7 Kg5 34.Qe7 Kh6 35.Qh4 1–0. elsh1403 – sieses, kurnik, 2011.

4.e3 Nd5 5.Qh5 g6 6.Qh4 Bg7 7.Bd3 0–0 8.Nf3 Nb4?? 9.Be2 Nc2–+ (9...Nc2 10.Kd1 Na1 11.Ba1 a6 12.ba6 Na6–+) 0–1. elsh1403 – balisahiti, kurnik, 2011.

4.e3 Ng6 5.f4 Be7 6.Nf3 d5 7.Bd3 0–0 8.0–0 f5 9.Ne5 Ne5 10.Be5 Nd7 11.Bb2 Bf6 12.Qc1 Nc5 13.Be2 Bd7 14.c4 c6 15.a4?? b6 16.bc6 Bc6 17.cd5 Bd5 18.Nc3? Bb7?? 19.Bc4 Qc8 20.Nb5?? Qc6–+ 21.Rf3 Bb2 22.Qb2= a6 23.Nd4 Qd6 24.Rg3 Ne4?? 25.Ne6 Ng3 26.Qg7 1–0. elsh1403 – zetka, kurnik, 2011.

4.e3 Ng6 5.Qh5 Be7 6.Bd3 f5? 7.g4?? Bf6+= 8.Bf6 Qf6 9.Nc3 d5 10.Nge2 0–0 11.g5 Qe5 12.f4 Qd6 13.h4 e5 14.fe5 Ne5 15.Nd4?? Nd3–+ 16.cd3 c5 17.Nf3?? d4 18.Ne2 de3 19.de3 Qd3 20.g6 h6 21.Ne5 Qe3 22.Nf7 Re8 23.Nd6?? Rd8 24.Rd1 Be6 25.Rg1?? Nd7 26.Rg3 Qe5 27.Nf7 Qf6 28.Nh6? gh6–+ 29.Qh6 Qg7 30.Qf4 Ne5 31.h5 Rd1 32.Kd1 Rd8 33.Kc2 Ng4 34.Nc3?! Nh6 (34...Nh6 35.Re3 Re8–+) 0–1. elsh1403 – zetka, kurnik, 2011.

3.b5 g6

4.e3 Bg7 5.Nf3 Ne7 6.Bc4 0–0 7.0–0 d5 8.Bb3 Qd7 9.a4 a6 10.c4 ab5 11.cb5 c6 12.Nc3 e5 13.e4 Kh8 14.ed5 cd5 15.Ba3 d4 16.Nd5?? Nd5–+ 17.Bf8 Bf8 18.Rc1 Nf4 19.Qc2?? b6 20.Qc8+– Qf5?? 21.Qf8 1–0. elsh1403 – balisahiti, kurnik, 2011.

4.e3 Bg7 5.f4 Ne7 6.Nf3 0–0 7.Bc4 d5 8.Bb3 f5 9.0–0?? Bb2–+ 10.Nc3 Ba1 11.Qa1 Qe8 12.Ne2 Qf7 13.Ned4 Qg7 14.Ng5 Rf6 15.a4 c5 16.Ndf3 Nd7 17.c4 h6 18.Nh3 dc4 19.Bc4 Nd5 20.Nf2 Rf7 21.Qa2 N7f6 22.Re1 Ne4 23.Ne4 fe4 24.Ne5 Re7 25.Bd5 ed5 26.Qd5 Kh7 27.Qe4 Bf5 28.Qd5 Rae8 29.Qc5 Re5 30.fe5–/+ Re5 31.Qa7 Re7 32.Qc5 Rf7 33.a5 Rc7 34.Qb4 Qe7 35.Qe7+= Re7 36.a6 ba6=+ 37.ba6 Ra7 38.Ra1 Be4 39.Kf2 Kg7 40.g3 Rf7 41.Ke2 Bf3 42.Kd3+/– Ba8 43.Kc4 Rc7 44.Kb5 Kf7? 45.d4 Re7 46.Ra3 Ke6 47.a7 Kd5 48.Ra6 Rb7 49.Ka5 Rg7 50.Rb6?? Ke4?? 51.Rb8?? Bd5?? 52.a8Q Ba8 53.Ra8 Ke3 54.Rd8 Ra7 55.Kb6 Re7 56.d5 Re4 57.d6 Rd4 58.Kc7 Kd3 59.Rg8 g5 60.Rh8 Rc4 61.Kd7 Kd4 62.Rh6 Kd5 63.Ke7 Re4 64.Kd7 Rc4 65.Rg6 Ke5 66.Rg5 Kf6 67.h4 Rc3 68.Kd8 Ke6 69.d7 Ra3 70.Kc7 (70.Kc7 Rc3 71.Kb6 Kd7 72.h5+–) 1–0. elsh1403 (1620) – carmo13, kurnik, 2011.

3.c3 b6

4.e3 a5 5.a3 ab4 6.ab4 Ra1 7.Ba1 c5 8.bc5 bc5 9.Nf3 Ne7 10.Be2 d6 11.0–0 g6 12.Qc1 Bg7 13.Bb2 0–0 14.Ba3 Nbc6 15.h3 e5 16.d3 d5 (16...Be6 17.d4=) 17.Nbd2 (17.Bc5 Be6+/–) 17...c4 (better is 17...Qb6!?=) 18.dc4+/– dc4 19.Nc4 Nd4?? (better is 19...Be6+/–) 20.ed4 (20.Nd4?! ed4 21.cd4 Be6+–) 20...ed4 21.Nd4 Kh8 22.Ne3 (better is 22.Re1 f5+–) 22...f5 23.Bb2 g5 24.Bf3 f4 25.Nd1 Rg8 26.Qc2 g4 27.hg4 Bd4 28.cd4 Nd5 29.Bd5 Qd5 30.Ne3! fe3 31.fe3 Bg4 (31...Re8 32.e4! Qe4 33.Qe4 Re4 34.Rf8 Kg7 35.Rc8 Kf7+–) 32.Rf5 (32.e4 Rc8 33.Qf2+– (33.ed5?! Rc2 34.Ba3 Kg7+–)) 32...Bf5–+ (32...Qf5?! 33.d5 Rg7 34.e4=) 33.Qc1 (33.Qf2–+) 33...Rg2 (33...Qg2) 34.Kf1 (34.Kh1 Rc2 35.e4 Qe4 36.Kg1 Qg2) 34...Rb2! 35.Qb2 Bd3 (35...Bd3 36.Kf2 h5 37.Qb8 Kg7–+) 0–1. Fournier,Frederic (1870) – polans (1835), Active, 2009.

4.e3 Bb7 5.Nf3 =.

4.e3 d5 5.d4 Nh6 6.Nf3 f5 7.Ne5+= Bd6 8.Bb5+/– Bd7 9.Qh5 Ke7? 10.Qg5+– Ke8 11.Qg7 Rg8?? 12.Qh6 Rg2 13.Bd7 Nd7 14.Qe6 Qe7 15.Qd5 (15...Rd8 16.Qg2 Be5 17.de5 Ne5 18.0–0+–) 1–0. Wall,Bill – Mojorisin, Internet, 2003.

4.e4 a5 5.ba5 Ra5 =.

3.e3 Bb4

4.Bd3 Nc6 5.Nf3 Nge7 6.0–0 Ng6 7.c3 Bd6 8.Bg6 hg6 9.Ba3 Bh2 10.Nh2+= f5 11.Qf3 Qh4 12.Qg3 e5 13.Qh4+/– Rh4 14.d4 Kf7? 15.d5 Ne7 16.Nf3 Rh5 17.Ne5 Kf6 18.Be7 Ke5 19.Rd1 c6 20.f4 Ke4 21.Kf2 c5 22.Bc5 b6 23.Rd4# 1–0. Austin – surfnsuds, internet, 2005.

4.Nf3 e5 5.c3 Ba5 6.Nh4 g6 7.f4 e4 8.Qc2 f5–/+ 9.Be2?? d5 10.g4?? fg4 11.Bg4?? Bg4 12.Rg1 Bh5 13.Qa4 Nc6 14.Na3 Bb6 15.Nb5 a6 16.Nd4 Qh4 17.Kf1 Qh3 18.Ke1 Qh2 19.Nc6 Qe2 (19...Qg1) 0–1. galaxy4 – MasterofDisaster, caissa.com, 2004.

4.Qg4 Qe7 5.Bd3 f5?? (better is 5...Nh6 6.Qg3 Kd8+=) 6.Qg7+– Qg7 7.Bg7 Nf6 8.Bh8 (8.Bf6?! Rg8+–) 8...Kf7 9.Nf3 Bd6 (9...Be7 10.c3+–) 10.0–0 (10.Nc3 Be7+–) 10...Ne8 (10...Be7 11.Be2+–) 11.Bb2 a5 12.Nc3 a4 13.Nb5 c6 14.Nd6 Nd6 15.Ne5 Kg8 (15...Ke7 16.Ba3 b5 17.c4+–) 16.Rfe1 a3 17.Bc3 b5 18.Nf3 c5 19.Be5 Nf7 20.Bb5 d6 21.Bg3 e5 22.d4 cd4 23.ed4 e4 24.Nd2 Ra5 25.Rab1 Bd7 26.Bd7 Nd7 27.Nc4 Ra4 28.Nd6 Rd4 29.Nf7 Kf7 30.Re3 Nc5 31.Rb5 Rd1 (31...Rd1 32.Re1 Re1) 0–1. Valpa – Footyhead, playchess.de, 2004.

4.Qh5 g6 5.Qb5 Nc6 6.Nf3 a6 7.Qc4 b5 8.Qb3 d5 9.a3 Ba5 10.Nd4 Nd4 11.ed4 e5 12.de5= fe5 13.Be5 Be6?? 14.Bh8+– Nf6 15.Bf6 Qf6 16.Nc3 d4 17.Ne4 Qe5 18.Qf3 Bf5 19.Bd3 g5 20.0–0 g4 21.Qg3 Qg3 22.Ng3 (22.Ng3 Bd3 23.Rae1 Kf7 24.cd3 Bd2 25.Re4+–) 1–0. Nautiluschess – Fabitus, internet, 2001.

3.e4 Bb4

4.c3 Bc5?? 5.Nf3?? (better is 5.Qh5 g6 6.Qc5+–) 5...Nh6 6.h3 e5 7.c4 (7.d4!? Bb6 8.Bc4+=) 7...d6 8.Nc3 Nc6 9.Nd5 Be6 10.Bc3 Bd5 11.cd5= Nd4 12.a4 Qd7 13.Bd3 a6 14.Qb1 Ra7 15.Qd1 0–0 16.0–0 Nf3 17.Qf3 Nf7 18.Rfb1 b6 19.Qe2 c6 20.a5 b5–/+ 21.Bb4 cd5 22.ed5 Bd4 23.Ra2 f5 24.Bc2 Rc7 25.Bb3 e4 26.Rc2 Ne5 27.Rbc1? Rc2–+ 28.Rc2? Nd3 29.Bc3 Nf4 30.Qf1 Bc3 31.Rc3 Qd8 32.Rc6 Qa5 33.Rd6 Qa3 34.Qb1 Qd6 35.Kf1 a5 36.Ba2 b4 37.Bb3 Ra8 38.Qa2 Nd3 39.Bc4 a4 40.Bb3 Nc1 41.Qb2 Nb3 42.Ke2 Qd5 43.Ke3 a3 44.Qa2 g5 45.g4 Qd3 0–1. gordiemac – snake2, ChessWorld.net, 2011.

4.e5 Be7 5.ef6 Bf6 6.Bf6 Nf6 7.Nf3 0–0 8.Qe2 Qe7 9.Qd3 Qd6 10.Be2 Qd3 11.Bd3 d5 12.Nc3 Bd7 13.0–0 Ba4 14.Rab1 Bc6 15.Bb5 a6 16.Bc6 bc6 17.Rb7 Rc8 18.Ne5 c5 19.Nc6 Nbd7 20.Ne7 Kf8 21.Nc8 Rc8 22.Ra7 d4 23.Na4 Nb6 24.Nb6 cb6 25.Re1 a5 26.Re6 Re8 27.Rb6 Re1# 0–1. guest1374 – guest311, ICS blitz, 2000.

4.e5 f5 5.Qh5 g6 6.Qf3 Be7 7.Bc4= Nh6 8.Ne2 Nf7 9.d4 0–0 10.Qb3 Nc6=+ 11.d5 ed5 12.Bd5=+ d6 13.e6= Nfe5 14.f4 Ng4 15.h3 Nf6–/+ 16.0–0 Nd5 17.Qd5 Nb4?? 18.Qb3?? c5 19.a3 Nc6 20.Bf6?? Rf6–+ 21.Ng3 Be6 22.Qb7 Rc8 23.Re1 Qd7 24.Qb2 Nd4 25.Nd2 Rf7 26.Nf3 Nf3 27.gf3 Bf6 28.Qb1 Ba1 29.Qa1 Rff8 30.Re2 a5 31.Qe1 Rce8 32.Qa5 c4 33.c3 Bf7 34.Re8 Re8 35.Kf2 d5 36.Ne2 Qb7 (36...Qb7 37.Qb4 Qa7 38.Nd4 Rb8–+; 36...Qe7 37.Ng1–+) 0–1. wood – KANIUKA, Live Game Caissa's Web, 2005.

4.Nf3 b6 5.c4 Bb7 6.e5 f5 7.Nc3 d6 8.ed6 cd6 9.Nb5 Nf6 10.Nfd4 Qe7 11.a3 Bc5 12.Nb3 a6 13.N5d4 e5 14.Nf3 Bf3 15.Qf3 Ra7 16.Qf5 g6 17.Qc8 Qd8 18.Qe6 Qe7 19.Qc8 Qd8 20.Qe6 Kf8 21.Nc5 bc5 22.Bd3 Nc6 23.Qh3 Qd7 24.0–0 Qh3 25.gh3 Nd4 26.f4 ef4 27.Rf4 Kg7 28.Raf1 Rf8 29.Bd4 cd4 30.Rd4 Raf7 31.Rd6 Ne8 32.Rd8 Rf1 33.Bf1 Nf6 34.Rf8 Kf8 35.c5 Ne4 36.c6 Nd6 37.Ba6 Ke7 38.c7 Kd7 39.c8Q Nc8 40.a4 Nb6 41.a5 Na4 42.Bb5 (time, 1–0). Nautiluschess – veltzer, ICS blitz, 2001.

4.Nf3 Ne7 5.e5 f5 6.a3 Bc5 7.d4 Bb6 8.Nc3 0–0 9.Ng5 Ng6 10.Qh5 h6 11.Nf3 Nf4 12.Qh4 Qh4 13.Nh4 g5 14.Nf3 Nc6 15.g3 Ng6 16.Bd3 g4 17.Nh4 Nh4 18.gh4 Bd4 19.Rb1 Be5 20.Nb5 Bb2 21.Rb2 b6 22.Nc7 Rb8 23.Nb5 Ba6 24.c4 Bb5 25.cb5 Ne5 26.Bc2 Nf3 27.Ke2 Rbc8 28.Bd1 Rc3 29.Kf1 Ra3 30.Bf3 Rf3 31.h3 Rc8 32.hg4 Rc1 33.Kg2 Rh1 34.Kh1 fg4 35.Kg2 Rf5 36.Rd2 Rd5 37.Rc2 Rb5 38.Rc7 Rd5 39.Ra7 Kf7 40.Rb7 Rd6 41.Kg3 h5 42.f3 Rd3 43.Rb6 Rf3 44.Kg2 Kf6 45.Rb7 Rd3 46.Kf2 Kf5 47.Ke2 Rd5 48.Rb4 e5 49.Rb7 Rd4 50.Rb8 Kf4 51.Rf8 Kg3 52.Re8 d6 53.Rd8 Kh4 54.Ke3 Kg3 55.Ke2 h4 56.Kf1 h3 57.Kg1 Rd1# 0–1. Nautiluschess – lgc, ICS blitz, 2001.

2.Bb2 Qg5

3.a3 Nc6 4.Nf3+= Qg6 5.Nc3 Nf6 6.h3 (6.Nb5 Kd8=) 6...b6 (6...d6 7.Nb5 Kd8 8.c4=) 7.e3 (7.Nb5 Kd8+=) 7...Bb7 8.g4 Ne4 9.Ne4 Qe4 10.Bg2 Qg6 (10...0–0–0 11.d3 Qd5 12.e4+=) 11.b5 Na5 12.Bc3 Nc4 (12...Qh6 13.d3+=) 13.d3 Nd6 14.Ne5 Qf6 15.Bb7 Nb7 16.g5 Qf5 (16...Qg5? 17.Qf3 f6 18.h4+–) 17.f4 Nd6?? (better is 17...d5+=) 18.Qf3+– Nb5 (18...f6 19.e4 Qe5 20.fe5 Nb5+–) 19.Qa8 Ke7 20.Qc8 Nc3 21.Qd7# 1–0. market (2220) – OrthoBoy, GameColony.com, 2003.

3.a3 d5 4.Nf3 Qd8 5.e3 =.

3.a3 Nf6 4.Nf3 Qg6 5.e3 Nc6 6.Bd3 Qh6 7.Nc3 Be7 8.Ne4 Ne4 9.Be4 0–0 10.d4 Bf6 11.c4 e5? 12.de5+– Be7 13.Qc2 g6 14.Qc3 d6?? 15.ed6 f6 16.de7 Ne7 17.Bd5 Kg7 18.0–0 Nd5 19.cd5 Bg4 20.Nd4 Rf7 21.Ne6 Be6 22.de6 Rff8 23.Rad1 Rae8 24.Rd7 Kg8 25.e7 Rf7 26.Qc4 Qg7 27.Rd8 (27.Rd8 h5 28.Re8 Kh7 29.Qe6+–) 1–0. Fournier,Frederic (1795) – wantmoe (1805), Active (3/0), 2005.

3.a4 Bb4=+ 4.Nf3 Qg6 5.h4 Bf8 6.h5 Qe4 7.Ra3 Nf6 8.Re3 Qc6 9.h6 Qa4 10.Nc3 Qb4 11.Qa1 Nc6 12.Na2 Qe7 13.g4 Rg8 14.g5 Nd5 15.hg7 Ne3 16.gf8Q Qf8 17.de3 b6 18.Rh7 Bb7 19.Nc3 0–0–0 20.Bg2 Kb8 21.Nb5 a6 22.Nbd4 Nd4 23.Bd4 c5? 24.Be5 d6 25.Bf6 Rd7 26.Nh4 Bg2 27.Ng2 Kb7 28.Nf4 Qc8 29.Nd3 Qc6 30.f3 e5 31.Nb2 Qb5 32.c4 Qb4 33.Kf2 Qc3 34.f4 b5 35.cb5 ab5 36.f5 Kc6?? 37.Qa6+– Kd5?? 38.Nd3 Qc4 39.g6! Rf8?? 40.g7 Rg8 41.Rh8 Rdd8 42.Qb7 1–0. xtom – unpleasant1, kurnik, 2011.

3.Nf3 Qb5 4.a3 Nc6 5.Nc3 Qf5 6.e4 Qf4 7.g3 Qg4 8.Be2+/– e5? 9.b5 Nd4?? 10.Nd4 ed4 11.Bg4 Nf6 12.Nd5 Ng4 13.Qg4 d6 14.Qf4 a6 15.Nc7 Kd8 16.Na8 ab5 17.Qf7 Be6 18.Qe6 (18.Qe6 Be7 19.Nb6 Kc7 20.Qe7 Kc6 21.Bd4 Rd8 22.Qd8 d5 23.ed5#) 1–0. ttt – ggg, internet, 2009.

3.Nf3 Qd8 4.a3 h6 5.e4 Ne7 6.Nc3 a6 7.Bd3 d6 8.0–0 g6? 9.Nd5!+– e5?? 10.Nf6# 1–0. b4_player (2210) – law_offices, GameColony.com, 2003.

3.Nh3 Qb5 4.c3 c5 5.e4 c4 6.Na3 Qc6 7.Nc4 Qe4 8.Ne3 b6 9.Ng5 Qg6 10.Nf3 Bb7 11.Be2 Bd6 12.Nh4 Qf6 13.Nf3 Nh6 14.Qc2 Nc6 15.b5 Ne5 16.Ne5 Be5 17.Nc4 Bg2–/+ 18.Rg1 Qg5?? 19.Ne5+– Qe5 20.c4 Qh2–/+ 21.Rg2? Qg2–+ 22.Bf1 Qh1?? 23.0–0–0?? Qf3?? 24.c5?? Rc8 25.Kb1 Rc5 26.Qa4 0–0 27.d4 Rc7 28.Ba3 Rfc8 29.Rc1 Qf5 30.Ka1 Rc1 31.Bc1 Rc1 32.Kb2 Qb1 (33.Ka3 Rc3 34.Qb3 Rb3 35.ab3 Qa1 36.Kb4 d5 37.Bd3 Qa5) 0–1. pinecrest1981 – Pawn, caissa.com, 2004.

3.Nh3 Qg6 4.b5 Bc5 5.e3 b6 6.Nf4+/– Qg5 7.Qf3 c6 8.bc6 Nc6 9.Bb5 Ne5?? 10.Qa8+– Ne7 11.0–0 0–0 12.d4 Nf3 13.Qf3 Bd6 14.Nc3 a6 15.Ne4 Qb5 16.Rab1 Bf4 17.Ba3 Bh2 18.Kh2 Qc6 19.Be7 Re8 20.Bf6! Bb7 21.Nd6! Qd6 22.Qg3 Qg3 23.fg3 gf6 24.Rf6 Be4? 25.Rb6+– Bc2 26.Ra6 Bd3 27.Ra5 Kg7 28.Rf4 Rc8 29.e4 Rc2 30.Rg4 Kf8 31.Ra8 Ke7 32.Rgg8?? Bf1?? 33.Rae8 Kd6+– 34.Kg1 Bg2 35.e5 Kd5+/– 36.Ra8 Kd4+= 37.Ra4 Ke5=+ 38.Rh8 Bd5 39.Rh7= Rg2 40.Kf1 Rg3 41.Rf7 Bc6 42.Rf2?? Ba4–+ 0–1. busty – thuram, caissa.com, 2006.

3.Nf3 Qf4

4.a3 c5 5.e3 (5.bc5 Nc6+/–) 5...Qg4 6.h3 Qe4 (better is 6...Qg6!?+=) 7.bc5+/– Nc6 (7...Qc6 8.d4+/–) 8.d3 (8.Nc3 Qg6 9.Nb5 Rb8+–) 8...Qf5 9.d4 d6 10.Bd3 Qd5? (better is 10...Qf6 11.cd6 Bd6+–) 11.c4 Qh5 12.cd6 Qa5 13.Nbd2 Bd6 (13...Nf6 14.c5+–) 14.d5 ed5 (14...e5 15.dc6 bc6+–) 15.Bg7 dc4 16.Bc4 (16.Bh8?! cd3 17.Qb3 Bf5+–) 16...Be6 (16...Be5 17.Ne5 (17.Bh8?! Bh8 18.Rb1 Qa3+–) 17...Ne5 18.Qb3 Nc4 19.Qc4+–) 17.Be6 fe6 18.Qb3 Be5 19.Qe6 Nge7 20.Ne5 Qd5 21.Qd5 Nd5 22.Bh8 Nce7 23.Rc1 Nf5 24.e4 Ke7 25.ed5 Rh8 26.Ne4 Rg8 27.Rc7 Kd8 28.Rb7 Rg2 29.Kd2 a5 30.Rc1 h5 31.Nf7 Ke8 32.Rc8# 1–0. Fournier,Frederic (1875) – COMP Chess Companion, Binic FRA, 2012.

4.a3 Nc6 5.e3 Qg4 6.h3 Qf5 7.Bd3 Qd5 8.Nc3+– Qh5 9.Nb5 Kd8 10.Be2 Qf5 11.0–0 a6 12.Bd3 Qd5 13.e4 Qh5 14.Nc3 Nf6 15.Be2 Bd6? 16.d4 Bf4 17.Ne5! (17...Qh4 18.Nf7 Ke7 19.Nh8+–) 1–0. Wall,Bill – Neal, Internet, 2003.

4.a3 d5 5.e3 Qg4 6.d3 Nc6 7.Nbd2 Nf6 8.h3 Qg6 9.g3 Bd6 10.Bg2 h5 11.0–0 Bd7 (11...Bd7 12.e4 de4+=). BCC – vulpo, ChessWorld.net, 2005.

4.a3 Nh6 5.Be5 Qc4 6.e3 Qe4 7.Bc7 d6 8.Nc3 Qc6 9.Bb5 e5 10.Bc6 bc6 11.Ne4 Na6 12.Bd6 Bd6 13.Nd6 1–0. mrkt – killah, gameknot.com, 2001.

3.Nf3 Qg6

4.a3 a5 5.b5 c6 6.c4 cb5 7.cb5 d5 8.g3 Bd7 9.Bg2 Bb5 10.0–0 Bd6 11.Nh4 Qh6 12.Nc3 Bc6 13.e4 d4 14.Ne2 e5 15.d3 Ne7=+ 16.f4 ef4 17.Nf4 Bf4 18.Rf4 g5 19.Nf5 Nf5 20.Rf5 Bd7 21.Re5 Kf8 22.Bd4 Nc6 23.Rd5 Be6?? 24.Bh8+– Ke7 25.Bb2 Bd5 26.ed5 Na7 27.Qe2 Kf8 28.Re1 Qd6 29.Qe5 Qe5 30.Re5 h6 31.d6 Rd8 32.a4 Nc6 33.Bc6 bc6 34.Ba3 Kg7 35.Re7 Kf6 36.Rc7 Ke6 37.Rc6 Kd5 38.Rc7 f5 39.d7 Ke6 40.Kf2 Rd7 41.Rd7 Kd7 42.Ke3 Kc6 43.Kd4 h5 44.Ke5 h4 45.gh4 f4 46.Ke4 gh4 47.Kf4 Kd5 48.Bb2 Kc5 49.Bc3 Kd5 50.Ba5 Kd4 51.Bb6 Kd3 52.a5 Kc4 53.a6 Kb5 54.a7 Kb6 55.a8Q Kc5 56.Kg4 Kd4 57.Kh4 Kc5 58.Kg4 Kd4 59.h4 Ke5 60.h5 Kd4 61.h6 Ke3 62.h7 Kd3 63.h8Q Ke3 64.Qe5 Kd3 65.Qad5 Kc2 66.Qc7 Kb2 67.Qdb7 Ka3 68.Qa5 1–0. ludice (1640) – szalony1kefir (1730), kurnik, 2011.

4.a3 a6 5.Nc3 b5 (5...Nf6 6.e3+=) 6.Ne5 Qh6 (6...Qf5 7.d4 Nf6 8.e3+=) 7.a4 c6? (better is 7...Nf6!? 8.ab5 Bb7+–) 8.ab5+– cb5? (8...Bb4 9.e3 Nf6+–) 9.Nb5! Kd8 (9...ab5 10.Ra5 Double attack (10.Ra8 Pinning; 10.Ra8 Deflection; 10.Ra5 Decoy)) 10.Nf7 (10.Nf7 Ke7 11.Nh6 Nh6 12.e4+–) 1–0. pierred – anony, internet, 2014.

4.a3 h6 5.g3 Bd6 6.Bg2 Nc6 7.0–0 f6 8.e3 Ne5 9.d3 Nf3 10.Qf3 Qf7 11.Nd2 c6 12.c4 Ne7 13.Ne4 Be5?? 14.Be5+– fe5 15.Nd6 (15.Nd6 Kd8 16.Nf7 Kc7 17.Nh8+–) 1–0. Fournier,Frederic (1830) – menazki (1775), Active (5/0), 2005.

4.b5 Be7 5.g3 Bf6 6.Bf6 Qf6 7.Nc3 Ne7 8.Bg2 Qf5 9.0–0 a6 10.Nd4 Qf6 11.e3 0–0 12.a4 ab5 13.Ndb5 Na6 14.Ne4 Qg6 15.c3? c6?? 16.Nd4 d5 17.Nd6 e5 18.Nc8 Nc8 19.Nf3 e4 20.Nd4 Nc7 21.Rb1 Rb8 22.Nc6?? Qc6–+ 23.f4 Ne6 24.f5 Nc5 25.a5 Qa4?? 26.Qa4–/+ Na4 27.d3? Nc3 28.Rb3 Ne2 29.Kf2= ed3 30.Rd3 Ng3 31.hg3 Na7 32.Bd5 Rfd8 33.e4 Nb5 34.Rb1 Nc7 35.Rb7 Rb7= (35...Rb7 36.Bf7 Kf7 37.Rd8 Ke7=+) 0–1. elsh1403 – accmaciek, kurnik, 2011.

4.b5 Nf6 5.e3 d6 6.Nh4 Qh6 7.g3 Be7 8.Bg2 Nfd7 9.d4 Bh4 10.gh4 Qh4 11.Nd2 Nf6 12.Nf3 Qg4 13.Rg1 Qh5 14.Qd3 Ng4 15.h3 Nf6 16.0–0–0 Bd7 17.a4 a6–/+ 18.c4 ab5 19.ab5 Ra2 20.Qb3=+ Ra7 21.Nh2 b6 22.f3 Qh4 23.Rd2 d5 24.c5 bc5 25.dc5 Rb7 26.b6? Nc6 27.Qa2 cb6–+ 28.cb6 Rb6 29.Qa8 Rb8 30.Qa6 Qg3 31.Ng4 Ng4 32.fg4 0–0 33.e4 Qe3 34.Rgd1 Nb4 35.Qd6 Nd3 36.Kb1 Rb2 37.Rb2 Nb2 38.Kb2 Rb8 39.Kc2 Ba4 0–1. olawoj – avenger1 (1620), kurnik, 2011.

4.e3 Bb4 5.a3 Bd6 6.g3 Ne7 7.Bd3 f5 8.Nh4 Qh6 9.0–0 Ng6 10.Ng6 hg6–+ 11.h4 Be7 12.Qf3 Nc6 13.Qg2 b6 14.f4 Bb7 15.Qh2 0–0–0 16.Be2 Qh7 17.Bf3 Qg8 18.Qf2 Qf7 19.Kg2 d6 20.Nc3 a6 21.Ne2 Na5 22.Bb7 Kb7 23.d3 d5 24.Rh1 Bd6 25.Nd4 e5 26.Nf3 ef4 27.ef4 Rde8 28.Rhe1 g5 29.Ng5= Qg6 30.Re8 Re8 31.Re1 Rh8?? 32.Re6 Qh5 33.Qf3 Qf3 34.Kf3 Rg8 35.Nf7 Bc5 36.Ne5 Bd6 37.Nd7 g6 38.Nf6+/– Rf8? 39.Nd5+– Rd8 40.Ne3 Bc5 41.Rg6 Be3 42.Ke3 Re8 43.Be5 Nc6 44.d4 Ne7 45.Rg7 Nc6 46.Rc7 Ka8 47.Rc6 b5 48.Ra6 Kb7 49.Rf6 Re7 50.Rf5 Kc6 51.Rf6 Kd5 52.Kd3 Rd7 53.Rd6! Rd6 54.Bd6 Kd6 55.h5 Ke6 56.g4 Kf7 57.g5 Kg7 58.Ke4 Kf7 59.f5 Kg7 60.d5 Kf7 61.d6 Ke8 62.Ke5 Kd7 63.h6 Ke8 64.h7 Kf7 65.h8Q b4 66.g6 1–0. Fournier,Frederic (1615) – matox58, Active, 2009.

4.e3 Be7 5.b5 b6 6.Nc3 Bb7 7.a4 c6 8.Ne5 Qg5 9.f4 Qh4 10.g3 Qh6 11.Ng4 Qg6 12.Ne5 Qh6 13.Ng4 Qg6 14.Bd3 f5 15.Qf3?? Nf6?? 16.Ne5+= Qh6 17.0–0–0 0–0 18.g4 Ne8?? 19.gf5 ef5 20.Rdg1 d6?? 21.Bc4+– Kh8 22.Nf7 Rf7 23.Bf7 Nf6 24.Ne2 Ne4?? 25.Nd4 c5?? 26.Nf5 Nc3 27.Nh6 Bf3 28.Bc3 Bf6 29.Bf6 gf6 30.Rg8 1–0. elsh1403 – accmaciek, kurnik, 2011.

4.g3 Bb4 5.Bg2 Nf6 6.0–0 0–0 7.d3 h6 8.Nbd2 d5 9.e4 Bd2 10.Nd2 de4 11.Ne4 Nd5 12.c4 Ne7 13.f4 Nbc6 14.Nc5 b6 15.Be4 f5 16.Bc6 Nc6 17.Nb3 h5 18.Qf3 Bb7 19.Qe3 h4 20.Rae1 hg3 21.Qg3 Qg3 22.hg3 Kf7 23.d4 Nb4 24.a3?? Nd3–+ 25.Re2 Nb2 26.Rb2–/+ Rad8 27.Rff2 Bc6 28.Rbd2 Be4 29.Rh2 Rh8 30.Rh8 Rh8 31.Rh2 Rd8 32.Kf2 c5! 33.Ke3 cd4 34.Nd4 Rc8 35.g4 Rc4–+ 36.gf5 ef5 37.Rh5? g6 38.Rh7–/+ Kf6 39.Ra7 Rc3 40.Kf2 Rd3 41.Nb5 Rf3 42.Ke2 Rf4 43.Ra6 Kg5 44.Rb6 Rg4 45.Nd6 Rg2 46.Kf1 Rg4 47.Nf7?? Kh5 48.Rb4 1–0. bratek55 – laguswielgus, kurnik, 2011.

4.g3 Nc6 5.a3 Bd6 6.b5 Nce7 7.c4 Nf6 8.Nc3 a5 9.Bg2 Ng4 10.e3 Nf5 11.Ne4 b6? 12.Nd6 cd6 13.Nd4?? Nd4+/– 14.Ba8 Nc2+= 15.Kf1 Na1 16.Qa1 Qf5 17.f4 d5 18.cd5 Qd3 19.Ke1 Qe4 20.Rg1 Ne3 21.de3 Qe3 22.Kf1 Qf3 23.Ke1 Qe3 24.Kf1 Qf3 25.Ke1 Qe3 ½–½. olawoj – avenger1 (1625), kurnik, 2011.

3.Nf3 Qh6

4.a3 Nf6 5.e3 a5 6.c3 ab4 7.cb4 Bb4?? 8.ab4+– Ra1 9.Ba1 Nc6 10.b5 Nb4 11.Qb3 Nfd5 12.e4 (12...Qg6 13.d3+– (< 13.ed5 Nc2 14.Kd1 Na1+–)) 1–0. Heat – Gauderio, caissa.com, 2004.

4.b5 Nf6= 5.e3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Bc5 9.Be2 c6 10.c4 d5 11.Be5 Nfd7 12.Bf4 Qf6 13.d4 Bb4 14.Nbd2 Qe7 15.c5+/– f6 16.Bd6 Qf7? 17.Qa4+– Bc3 18.Qa8 Qg6 19.0–0 e5 20.de5 Be5 21.Ne5 Ne5 22.Qb8 Qf5 23.Be5 fe5 24.Nf3 e4 25.Qe5 Qe5 26.Ne5 cb5 27.Bb5 Ke7 28.Re1 Rd8 29.Nf3! ef3 30.gf3 Bh3 31.Rd1 Kf6 32.Bf1 Be6 33.Rb1 Rd7 34.Rb6 Rc7 35.Bh3 Rc6+= 36.Rc6 bc6 37.Be6 Ke6 38.Kf1 g5 39.Ke2 Ke5+= 40.Kd2 h5? 41.h3 Kf5+/– 42.Kd3 h4 43.Kd4 Ke6 44.e4 de4 45.Ke4 Kf6 46.f4 g4 47.hg4 Kg6 48.Kf3 Kf6 49.Kg2 Ke6 50.Kh3 Kd5 51.g5 1–0. Tilp,Andreas – Doering,Gerhard, corr DDR, 1988.

4.e3 Bb4 5.Be2 Nf6 6.Ne5 Ne4 7.0–0 Bd6 8.d3 Be5 9.Be5 Nc6 10.Bf4 g5 11.Bc7 Nf6 12.f4 Rg8 13.Rf3 Ng4 14.Rh3 Ne3 15.Rh6 Nd1 16.Bd1 gf4 17.Rh7 Nb4 18.Bf4 b6 19.Bd6 Bb7 20.Bb4 a5 21.Bd6 0–0–0 22.g3 f5 23.Nd2 f4 24.Bf3 (time, 1–0). Trkn – Scott, itsyourturn.com, 2000.

2.Bb2 Qh4

3.a3 Be7 4.Bg7 Bf6 5.Nf3 Qf4 (5...Bg7 6.Nh4 Ba1 7.c3+–) 6.e3 (6.Bh8 Bh8 7.e3 Qg4+–) 6...Qf5 (6...Bg7 7.ef4 Ba1 8.c3+–) 7.Bh8 Bh8 8.Nc3 Bc3 9.dc3 d5 (9...d6 10.Bd3 Qg4 11.Rg1+–) 10.Bd3 Qf6 11.Qd2 (< 11.Bh7 Qc3 12.Kf1 Nf6+–) 11...h6 (11...Ne7 12.e4+– (12.Bh7?! Qg7+–)) 12.0–0 b6 (12...e5 13.e4 Bg4 14.Ne1+–) 13.c4 Bb7 (13...dc4 14.Be4 c6 15.Nd4+–) 14.Nd4 (better is 14.cd5!? Bd5 15.e4 Bc6+–) 14...dc4 15.Bc4 Nd7 16.f4 c5 (16...Ne7+–) 17.Nb5 0–0–0 18.Nd6 Kc7 19.Nb7 Kb7 20.bc5 Nc5 21.Bd3 Nd3 22.cd3 Ne7 23.e4 Ng6 24.Rac1 Rc8? 25.Rc8 Kc8 26.f5 Nh4 27.Qh6 Qh6–+ (28.fe6 Qe3 29.Rf2 fe6–+) 0–1. oui – APZ, caissa.com, 2004.

3.a3 f6 4.Nc3 a5 5.Nf3 Qh6 6.b5 b6 7.e3 Ne7 8.Bd3 Qh5 9.Be2 Qg6 10.0–0 Bb7 11.g3 Qg4 12.Nd4 Qh3 13.e4 f5 14.Bf3+/– g5? 15.ef5+– Bf3 16.Qf3 c6 17.fe6 de6 18.bc6 Na6 19.Ne4 Nd5 20.Ng5 Qh6 21.Qf7 Kd8 22.Qd7# 1–0. pierred – anthonio, chesspark.com, 2008.

3.a3 Nh6 4.Nf3 Qe7 5.c4 b6 6.Nc3 Bb7 7.d4 Bf3 8.ef3 Qh4 9.Nb5 Na6 10.g3 Qf6 11.Bg2 c6 12.Nc3 Rc8 13.0–0 Bd6 14.Qa4 Nc7 15.Ne4 1–0. Wall,Bill – Sour, Internet, 2001.

3.b5 b6 4.e3 (4.Nf3 Qf4+/–) 4...Bb7 5.Nf3 Bf3 (5...Qd8 6.Nc3+=) 6.Qf3+/– d5 7.c4 Nd7 (7...c6 8.cd5 cd5 9.Nc3+=) 8.cd5 e5 (8...ed5 9.Nc3+–) 9.Nc3+– Ngf6 10.d3 Bb4 11.Be2 (11.a3 Bc3 12.Bc3 a6+–) 11...0–0 (11...a6 12.d6 e4 13.de4+–) 12.0–0 (12.a3 Bc3 13.Bc3 a6+/–) 12...e4 (better is 12...a6!?+/–) 13.de4 (13.Ne4 Nd5 14.Qf5 N7f6+–) 13...Bc3 14.Bc3 Ne4 15.Rac1 (15.Bd4 Nd2 16.Qg4 Qg4 17.Bg4 Nf1 18.Kf1 f5+=) 15...Ndf6 (better is 15...Nc3 16.Rc3 Nc5+–) 16.Bf6 Nf6 17.Rc7 Rad8 (17...Rfc8 18.Rfc1 Rc7 19.Rc7+–) 18.Rd1 h6 (18...Rd7 19.Rd7 Nd7 20.Qg4+–) 19.Ra7 Qb4 (19...Rd6 20.Rc7+–) 20.Rc7 Rd5 (20...Qa3+–) 21.Rd5 Qe1 22.Bf1 (22...Nd5 23.Qd5+–) 1–0. Wall,Bill – Skisser, internet, 2003.

3.b5 d5 4.Nf3 Qb4 5.Be5 =.

3.b5 f5 4.g4 Qg4 5.Nf3 Nf6 6.Rg1 Qh5 7.Bf6 gf6 8.c4 d6 9.Qa4 Bd7 10.Nc3 c6 11.0–0–0 Qh6 12.e4?? fe4–+ 13.Ne4 d5 14.cd5 cd5 15.Nc3 Na6! 16.Re1 0–0–0 17.Qa5 Bb4 18.ba6?? Ba5 19.ab7 Kb7 20.Kc2 Bc3 21.dc3 Ba4 22.Kb2 Qf4 23.Re3 Rb8 24.Ka3 Bc2 25.Nd4 Qf2 26.Rg7 Ka8 27.Nc6 Rb7 28.Reg3 Bg6 29.Rb7 Kb7 30.Na5 Ka8 31.Bb5 Qc5 32.Ka4 Be8 33.Be8 Re8 34.Nb3 Qd6 35.Rg4 Rb8 36.Rb4 Qa6 37.Na5 Rb4 38.cb4 e5 39.Kb3 Qd3 40.Ka4 (40.Ka4–+) 0–1. orangutanb4 (2010) – izadora1 (1760), kurnik, 2011.

3.c3 a5 4.Nf3 Qf4 5.e3 Qf6 6.b5 c6 7.d4 Nh6 8.Bd3 d5 9.0–0 Ng4 10.h3 Nh6 11.c4 dc4 12.Bc4 Bd7 13.Nc3 cb5 14.Nb5 Qd8 (14...Na6!?+/–) 15.d5+– ed5? (better is 15...Na6 16.de6 Be6 17.Be6 fe6+–) 16.Qd5 Bb5 (16...Qc8 17.Bg7!! Be6+–) 17.Bb5 Ke7 (17...Nc6 18.Bc6 bc6 19.Qc6 Qd7 20.Qa8 Qd8 21.Qe4 Be7 22.Bg7 f5 23.Qc6 Kf7 24.Qh6 Rf8+–) 18.Qe5# 1–0. Wall,Bill – AndyBlues, internet, 2002.

3.d4 Bb4 4.c3 Be7 5.Nf3 Qh5 6.e4 d5 7.e5 Bd7 8.Be2 c5 9.Bc1 cd4 10.cd4 Nc6 11.Ba3 a6 12.0–0 b5 13.Bc1 b4 14.g3 Qg4 15.Be3 Qh3 16.Nh4 f5 17.ef6 Nf6 18.f4 Na5 19.Nd2 Nc4 20.Nc4 dc4 21.Bf3 Rc8 22.Bg2 Qg4 23.Bf3 Qh3 ½–½. Bakker – van Geemen, corr 1991.

3.e3? Bb4?? 4.Bg7.

3.a3 a5

4.b5 b6 5.Nf3 Qe4 6.e3 Bb7 7.c4 Qf5 8.Be2 Bf3 (8...Nf6!?+=) 9.Bf3+/– Ra7 10.d4 d5 (10...Be7!?+/–) 11.cd5+– ed5 12.Nc3 Nf6 13.Qb3 a4 14.Qa2 c6 15.bc6 Nc6 16.Nd5 Nd5 17.Bd5 (17.Qd5!? Qd5 18.Bd5 Na5+–) 17...Ne7 18.Bf3 Rc7 (better is 18...Qa5!? 19.Kf1 b5+–) 19.0–0 Ng6 20.Rac1 Rc1 21.Rc1 b5 (21...Bd6 22.Bc6 Ke7 23.e4 Bh2 24.Kh2 Qf2 25.Qd5 (25.Ba4?! Nh4 26.Rc7 Kf8 27.Qf7 Qf7 28.Rf7 Kf7+/–) 25...Qf4 26.g3 Qf2 27.Kh3+–) 22.Bc6 Kd8 23.Bc3 (better is 23.e4!? Qe6 24.Qe6 fe6 25.Bb5 Bd6+–) 23...Bd6 24.Ba5 Ke7 25.e4?? (better is 25.Qb2 Qd3 26.Rb1+–) 25...Qf4= 26.Qc2?? (better is 26.Bd2 Qh2 27.Kf1=) 26...Qh2–+ 27.Kf1 Ba3 28.Rb1 Qh1 29.Ke2= Qg2 30.Bb5 Qg4 31.Ke3 Qg5 32.Kf3 Nh4–/+ 33.Ke2 Qg4 34.Kf1 Qh3 35.Ke2 Qf3 36.Kf1 Qg2 37.Ke2 Qg4 38.Kf1 Qh3 39.Ke2 ½–½. Fournier,Frederic (1855) – COMP Chess Companion, Match Binic FRA, 2013.

4.b5 Nh6 5.Nf3 Qf2?? 6.Kf2+– Ng4 7.Kg3 h5 8.e4 c5 9.h3 f5 10.hg4 fg4 11.Ne5 Rg8 12.Rh5 Bd6 13.Qg4 b6 14.Qg6 Kd8 15.Kh3 Kc7 16.Nc4 Ba6 17.ba6 Na6 18.Nc3 Kc6 19.e5 Bb8 20.Qe4 Kc7 21.Nd6 Kd8 22.Qh4 g5 23.Qg5! Kc7 24.Qg8 Kc6 25.Bb5 Kc7 1–0. Bonetti,Shane – ChickenLover, ICC, 2002.

4.Nf3 Qd8 5.e4 b6 6.b5+= Bb7 7.Bd3 f6 8.0–0 c6 9.Nc3+/– Nh6 10.Nd4 e5 11.bc6 dc6 12.Ne6+/– Qd7 13.Qh5 Nf7 14.Nf8 Kf8 15.f4 Qd4 16.Kh1 ef4 17.Rf4 Qe5 18.Qf3 g5?? 19.Rf6+– (19.Rf6 Qf6 20.Qf6+–) 1–0. pcmvr (1965) – suri5, internet, 2007.

4.Nf3 Qh5 5.e3 f6 6.Be2 ab4 7.ab4 Ra1 8.Ba1 Bb4 9.0–0 Bd6 10.c4 b6 (10...b6 11.Nc3 Na6=). sagaz (2370) – nay (2215), net–chess.com, 2007.

4.Nf3 Qh6 5.b5 Nf6 6.c4 d6 7.d4 Ne4 8.Nc3 f5 9.Qc2 Nc3 10.Bc3 Nd7 11.g3 Be7 12.Bg2 0–0 13.Qc1 Qc1 ½–½. Schatz – Roeder, 1992.

3.a3 b6

4.Nf3 Qd8 5.e4 Bb7 6.d3 Nh6 7.Be2 Rg8 8.h3 Nc6 9.Qd2 a5 10.b5 Na7 11.c4 Bc5 12.0–0 d5 13.ed5 ed5 14.d4 Bd6 15.Re1 Qf6 16.c5! bc5?? 17.dc5 Bf4 18.Bd3 Kf8 19.Bf6 Bd2 20.Be7 (20.Be7 Ke8 21.Nbd2+–) 1–0. Fournier,Frederic – Chenz, Active, 2011.

4.Nf3 Qf4 5.Be5 Qf5 6.Bc7 Na6 7.Bg3 Bb7 8.e3 Nf6 9.Nc3 Nh5 10.Bd3 Qf6 11.Ne4 Qa1?? 12.Qa1+– Be4 13.Be4 Rc8 14.Bb7 Ng3 15.hg3 Rc2 16.Ba6 Bd6 17.Qg7 Rc1 18.Ke2 Rh1 19.Qh8 Ke7 20.Qc8 Ra1 21.Bb5 Kf6 22.Qh8 Kf5 23.Qa1 Be5 24.Qe5 Kg6 25.Qg5# 1–0. Bonetti,Shane – bednaedna, ICC, 2002.

3.a3 Nc6

4.b5 Na5 5.Nf3 Qh5 6.e3 Ne7 7.d4 Nd5 8.Be2 Bd6 9.0–0 0–0 10.c4 Nf6 11.Bc3 b6 12.c5 Be7 13.Ba5 ba5 14.Qe1 c6 15.bc6 dc6 16.Ne5 Qh4 17.Nc6 Nd5 18.g3 Qh3 19.e4 Bf6 20.ed5 ed5 21.Qa5 Bb7 22.Ne5 Rfe8 23.c6 Bc6 24.Bg4 Qh6 25.Nc6 Qg5 26.Bd7 Re2 27.Nc3 Rd2 28.Nd5 Bd8 29.Nd8 Rd8 30.f4 Qh6 31.Qd8# 1–0. Bonetti,Shane – guest365, ICC, 2002.

4.b5 Nb8 5.Nf3 Qg4 6.Ra2 Qg6 7.Ne5 Qh5= 8.g4 Qg5 9.h4 Qd8 10.e3 d6 11.Nd3 Nd7 12.Nc3 Ne7 13.h5 b6 14.Bg2+/– d5 15.h6! g6? 16.Nd5+– Rg8 17.Ne7 Be7 18.Ba8 Nf6 19.Qf3 Bd7 20.g5 Nh5 21.Ne5 Rf8 22.Bc6 Bd6 23.Nd7 Qd7 24.Bg7 Ng7 25.hg7 Rg8 26.Bd7 Kd7 27.Qf7 Kd8 28.Qg8 Ke7 29.Rh7 Be5 30.Qd8! (30.Qd8 Kd8 31.g8Q#) 1–0. marre – popovic, internet, 2010.

4.Nf3 Qe7 5.c4 Nb4? 6.ab4+– Qb4 7.Qc2 Nf6 8.e3 b5? 9.Ba3 Qa5 10.Qb2?? Ba3?? 11.Ra3+– Qb6 12.Rb3 a6 13.cb5 a5 14.Na3 0–0 15.Be2 Nd5 16.0–0 a4 17.Rd3 c6 18.Rb1 c5 19.Qe5 Nb4? 20.Rd6 f6 21.Qe6! de6 22.Rb6 e5 23.d4 Nd5 24.Rc6 Bd7 25.Rd6 Nc3 26.Rb2 Rfd8 27.dc5 Bb5 28.Nb5 Nb5 29.Rd8 Rd8 30.Rb5 a3 31.Ra5 Rb8 32.Ra3 Rb1 33.Bf1 Rc1 34.Ra5 Kf7 35.Nd2 Ke6 36.Ne4 Kd5 37.f3 f5 38.Ng3 Rc5 39.Rc5 Kc5 40.Nf5 1–0. Fournier,Frederic – Chalvet,Philippe, Partie Libre (Active), 1996.

4.Nf3 Qf4 5.e3 Qg4 6.c4 Nf6 7.d4 Ne7 8.Nc3 Ne4 9.Nb5 Kd8 10.h3 Qg6 11.Qc2 a6 12.Nc3 Nc3 13.Qc3 Nf5 14.0–0–0 b6 15.g4 Nd6 16.Bd3 Qf6= 17.Ne5 Qf2 18.Rde1 Qg3?? 19.c5+– Nb7?? 20.Nf7 Ke8 21.Nh8 bc5 22.dc5 Be7 23.Qg7 a5 24.Qg8 Bf8 25.Qf7 Kd8 26.Qf8# 1–0. Fredek (2065) – Webmark, Freundschaftspartie, 5m + 0s, 2006.

4.Nf3 Qg4 5.e3 a6 6.Be2 Qg2 7.Rg1 Qh3 8.Rg7 Bg7 9.Bg7 a5 10.b5 Qg4 11.Bh8 Nce7 12.b6 cb6 13.Bd4 Nd5 14.c4 Nde7 15.Nc3 Nc6 16.Bb6 f5 17.d4 Nf6 18.Nb5 Ke7 19.d5 ed5 20.Nc7 Rb8 21.Nd5 Nd5 22.cd5 Nd8 23.Ba5 Ke8 24.Qd4 Nf7 25.Qa7 Qa4 26.Bd1 Qb5 27.Bb4 Qd5 28.Qb8 Qc6 29.Ne5 Ne5 30.Qe5 Kd8 1–0. Pepito 1.42 – SdBC 0.2.4.1, Infinite Loop, Blitz–8, qual., 2002.

3.a3 d5

4.Nf3 Qe7 5.e3 =.

4.Nf3 Qd8

5.e3 Nf6 6.c4 a5 7.b5 Bd6 (7...c6 8.Nc3+=) 8.d4+= 0–0 (8...b6 9.cd5 ed5 10.Bd3+=) 9.c5 Be7 10.Qc2 (10.Bd3 Ne4+=) 10...c6 (10...Kh8 11.Bd3+=) 11.Nc3 (11.b6 Ng4+/–) 11...b6= 12.Rb1 bc5 13.dc5 Bb7 (13...Nfd7 14.Nd4+=) 14.Na4+= Nbd7 15.Qc3 (15.Bf6 Bf6 16.b6 e5+=) 15...Re8 16.Ne5 (16.Nd4 Ne4 17.Ne6 Nc3 18.Nd8 Nb1 19.Nb7 Rab8 20.bc6 Nc5 21.Nac5 Bc5=) 16...Ne4 17.Qc2 Ne5 (17...Ndc5 18.Nc5 Nc5 19.Bd4=) 18.Be5 Bh4 19.Bg3 Bf6 (19...e5 20.b6+=) 20.Bd3+/– cb5 21.Bb5 (< 21.Rb5 Bc6 22.Nb6 Bb5 (< 22...Ng3 23.hg3 Rb8 24.Bh7 Kf8 25.Bd3+/–) 23.Bb5 Qe7–/+ (23...Ng3 24.hg3 h6 25.Be8 Qe8 26.c6+/–)) 21...Re7 22.Bd3 e5 23.c6 Bc8 24.Nb6 Rb8 25.Nd5! Rb1 26.Qb1 Qd5 27.Be4 Qc5 28.0–0 Qa3 29.Bh7 Kf8 30.Be4 Be6 31.Qd1 Bc4 32.Qc1 Qb4 33.Rd1 Rc7 34.f3 Rc8 35.Be1 Qa4 36.Rd7 Be7 37.Ra7 Bd8 38.Bc3 Bb6 39.Rb7 Qb3 40.Qd2 Re8 41.c7 Ba6 42.Qd6 Kg8 43.Rb6 Qc3 44.Kf2 Bc8 45.Qd8!! Rf8 46.Rb8 f5 47.Rc8 Qb2 48.Kg3 (48...Qg2 49.Kg2 fe4 50.Qf8 Kh7 51.Qf5 g6 52.Qf7 Kh6 53.Rh8 Kg5 54.h4#) 1–0. mrkt – Marquis_of_Somerset, ChessWorld.net, 2004.

3.a3 f5

4.Nc3 Nf6 5.Nf3 (5.Nb5 Nd5 6.e3 (6.Nf3 Qd8 7.c4 Nf6 8.Be5 d6 9.Bf6+=) 6...a6 7.Nd4 d6 8.Bc4 c5 9.g3+=; 5.e3 Ng4 6.Qe2 (6.g3 Qe7 7.h3 Nf6 8.Nb5 Na6 9.Nd4+=) 6...a5 7.Nf3 Qd8 8.e4 Nh6 9.ef5+=) 5...Qh6 (5...Qg4 6.Nb5 (6.h3 Qh5 7.Nb5 Na6 8.e3 Be7 9.Nbd4+=; 6.e3 a5 7.h3 Qg6 8.Nb5 Na6 9.Ne5+=) 6...Na6 7.e3 d6 8.Bf6 gf6 9.Rg1+=; 5...Qh5 6.e3 (6.Nb5 Na6 7.e3 Be7 8.Be2 0–0 9.0–0+=) 6...a5 7.b5 d5 8.Ne2 Bd6 9.Nf4+=) 6.e3 (6.Nb5 Na6 7.Bd4 b6 8.e3 Be7 9.Nc3=) 6...Be7 (6...c6 7.Ne2 d6 8.d4 Be7 9.Nf4+=) 7.Nb5 Bd8 (7...Kd8 8.Nbd4+/– d6 9.Bc4+=; 7...Na6 8.Nbd4 Nb8 9.Be2+=) 8.Be2 (8.Be5!? Na6 9.Bf4+=) 8...a6+= (8...d6 9.0–0+=) 9.Nbd4 (9.Nc3 0–0=) 9...d6= 10.0–0 (10.Nb3 e5=) 10...e5 11.Nb3 g5 (11...0–0!?=) 12.d4+= e4 13.Nfd2 d5 14.c4 c6 15.cd5 (15.Re1 Bc7 16.Nf1 Qh4=) 15...Bc7 16.h3 (better is 16.d6!? Bd6 17.g3=) 16...Nd5–/+ (worse is 16...cd5 17.Rc1 Nc6 18.Nc5+=) 17.Bh5 (better is 17.Bc4!? g4 18.Rc1–/+) 17...Ke7–+ 18.g3 g4 19.hg4 fg4 20.Bg4 Ne3! 21.fe3 Qe3 22.Kh1 (22.Rf2 Bg3 23.Ne4 Bf2 24.Nf2–+) 22...Qg3 23.Qe2 Bg4 (23...Qg4?! 24.Qg4 Bg4 25.Rae1+=) 24.Qg2 (24.Qe4 Be6 25.Nf3–+) 24...Qh4 25.Kg1 Rg8 (25...Rg8 26.Rf2 Bf3 27.Nf3 Rg2 28.Kg2 Qg3 29.Kf1 e3–+) 0–1. Wartig,Wolfgang – Glowatzky,Tihomir, email SOK–99–134, 1999.

4.d3 Nf6 5.Nf3 Qh6 (5...Qg4 6.e3 (6.c4 Be7 7.h3 Qg6 8.Ne5 Qh6 9.Nc3=; 6.h3 Qg6 7.e3 d6 8.Nc3 Be7 9.Ne2=) 6...Be7 7.Be2 d6 8.0–0 Qg6 9.c4+=) 6.Qd2 (6.Nc3 a5 7.b5 Be7 8.Bc1 Qg6 9.b6=; 6.e3 Be7 7.Be2 d6 8.0–0 0–0 9.Nc3=; 6.c4 Be7 7.Nc3 0–0 8.e4 d6 9.e5+=; 6.Nbd2 d5 7.Be5 Bd6 8.e3 Be5 9.Ne5=) 6...Qd2 7.Nbd2 c5 (7...d5 8.c4+= a5 9.Bf6+=; 7...Be7 8.e4 a5 9.b5+=) 8.b5 (8.bc5 Bc5 9.e4 fe4 10.Ne4 Be7+=) 8...d5= 9.e4 fe4 10.de4 de4 (10...c4 11.Bd4=) 11.Ng5+= e3 12.fe3 Nd5 (12...Be7 13.Bd3+=) 13.Be2 (13.e4 Ne3 14.Kf2 Be7 15.Ke3 Bg5 16.Ke2 0–0+=) 13...Ne3= 14.Bh5 Ke7 15.Kf2 Nd5 (15...Nc2? 16.Rac1 h6 17.Nge4 (17.Rc2 hg5 18.Bf3 g4 19.Bg4 Nd7=) 17...Na3 18.Ba3+–) 16.Rhe1 Nf4 17.Bf3 h6 18.Nge4 Nd7 19.Nc4 a6 20.a4 ab5 21.ab5 Ra1 22.Ra1 Kd8 23.Ra8 (23.Ned6 Bd6 24.Nd6 Kc7 25.Bg7 Rg8+/–) 23...Nd5+– 24.Ned6 Bd6 25.Nd6 Kc7 26.Bg7 N7b6 27.Bh8 Na8 28.Be5 Kd7 (28...Nab6 29.Ne4 Kd8 30.Nc5+–) 29.g4 (29.c4 Ndb6+–) 29...Nab6 30.h4 Nb4 (30...Ne7+–) 31.g5 (worse is 31.Nc8 Nc4 32.Bf4 Kc8+–) 31...hg5 32.h5 (32.h5 Nc2 33.h6+– (33.Bb7?! Bb7 34.Nb7 Nc4+–; 33.Nb7?! Bb7 34.Bb7 Nb4+/–); 32.hg5?! N4d5+–) 1–0. Mehlhorn,Uwe – Plock,Joerg, remoteschach.de, 2003.

4.d4 Nf6 5.c4 (5.Nf3 Qh6+=) 5...Nc6 (5...Ne4 6.g3 Qd8 7.Nd2=) 6.g3 (6.Nf3 Qh6+=) 6...Qh6 (6...Qg4 7.Bg2+=) 7.Bg2 Be7 (7...d5 8.Qd3+=) 8.Nd2 (8.Nc3 a6+=) 8...0–0 9.Qb3 (9.Ngf3 d6+=) 9...d6 (9...d5 10.Ngf3=) 10.e3 (10.Ngf3 Qg6+=) 10...Nd8 11.Ne2 Rb8 (11...Bd7 12.Qd3=) 12.0–0+= Nf7 13.f4 (13.Rad1 c6+=) 13...Bd7= 14.Rfe1 (14.Rae1 Qg6=) 14...g5 (14...c6 15.e4=) 15.Rad1 (15.d5 ed5 16.cd5 Rbe8+/–) 15...Qg6 (15...c6 16.Qa4+=) 16.d5 (16.fg5 Qg5 17.Nf4 c6+/–) 16...e5 (16...Ne4 17.Ne4 fe4 18.Qc2+/–) 17.Nf3 +/– (17...gf4 18.ef4+=). Ziese,Gerhard – Muller,P, corr sok, 1997.

4.e3+= Qe7 5.Nf3 +=.

4.e3+= Qe7 5.Qh5 g6 6.Qf3 +=.

4.Nf3 Qd8 5.c4 (5.e3 Nf6+=) 5...Nf6 6.e3 d6 (6...a5 7.b5+=) 7.d4 a5 8.b5 (8.Be2 ab4 9.ab4 Ra1 10.Ba1 Be7+=) 8...Be7 9.Bd3 Nbd7 10.0–0 0–0 11.Nbd2 Qe8 (11...a4 12.Qc2+=) 12.Ng5 (12.Re1 Qh5+=) 12...Nb6 13.Re1 Qh5 (13...Qg6 14.Nh3+=) 14.Qh5 Nh5 15.Ngf3 g5 (15...Na4 16.Bc1+=) 16.Nb3 Na4 17.Bc1 Bf6 (17...g4 18.Nfd2+=) 18.e4 g4 19.Ng5 Ng7 (19...h6 20.Ne6 Be6 21.ef5 Bf7 22.Bh6 Rfe8=+) 20.e5=+ de5 21.de5 Be7 22.Bf1 (22.Bc2 h6 23.Ne4 fe4 24.Bh6 Nc5=+) 22...Nb6 23.c5=+ Nd5 24.c6 bc6–/+ 25.bc6 Rd8 26.Nd4 Nc3 27.Ne2 Ne2 28.Be2 Ba6 29.Bd1 h6 (30.Ne4 fe4 31.Bh6 Nf5–+) 0–1. Plock,Joerg – Benassi,Aspasio, corr friendly, 2001.

4.Nf3 Qf6?? 5.Bf6+– (5.Bf6 Nf6 6.e3+–) 1–0. Flazinski,Pawel – Glowatzky,Tihomir, corr or02–020, 2002.

4.g3 Qh6 5.Bg2 a5 6.b5 (6.ba5 Nf6 7.Nf3 Ra5 8.c4 d5 9.Be5=; 6.Nc3 Nf6 7.ba5 Ra5 8.Nf3 d5 9.Nd4=) 6...Nf6 7.c4 Be7 (7...d5 8.Qb3 a4 9.Qc2+=) 8.Nf3 0–0 9.0–0 (9.Nc3+=) 9...f4 10.Be5 (10.Qc1 fg3 11.fg3 Qh5=) 10...fg3 11.Bg3 (11.hg3 Ng4 12.Re1 Ne5 13.Ne5 Qf6–+; 11.fg3?! Qh5=) 11...d6 12.d4 Nh5 13.Qd2 Qg6 14.Nc3 Nd7 15.e3 Nb6 16.Qe2 Bd7 17.Nd2 c6 18.Rab1 Nc8 19.bc6 bc6 (worse is 19...Bc6 20.d5 Bd7 21.Rb7+/–) 20.Rb7 Ra7 21.Rfb1 Rb7 22.Rb7 Ng3 23.hg3 Qe8 24.c5 dc5 (24...Qd8 25.Nb3+/–) 25.dc5+/– e5 26.Nc4 Bc5+= ½–½. Bothe,Erhard – Sternik,Ryszard, corr SOK–122, 1999.

4.e3 Nf6

5.c4 b6 6.Nf3 Qh6 7.d4 Bb7 8.Nbd2 Be7 9.Bd3 Nc6 (9...a5 10.b5=) 10.0–0 (10.d5 Nd8+=) 10...Nd8 (10...0–0 11.b5 Nd8 12.Ne5=) 11.Qc2 Nf7 (11...0–0 12.Bc3+=) 12.c5 (12.d5 a5+=) 12...Rg8 (12...0–0 13.Rfc1+=) 13.Rac1+/– bc5 14.dc5 g5 (14...Qg6 15.b5+/–) 15.e4 g4 16.Nd4 g3 17.hg3 (17.fg3 Ng4 18.N2f3 fe4–/+) 17...Ng4 18.N4f3 f4 (18...Ng5 19.Rfe1 fe4 20.Ne4+=) 19.c6 dc6? (better is 19...Bc6 20.b5 fg3 21.bc6 d5+/–) 20.Ba6!+– fg3 21.Bb7 Rd8 22.Bc6 Kf8 23.Nc4 Rg5 24.fg3 Rh5 25.Nh4 Bh4 26.Rcd1 Bf6–+ 27.Rd8 Bd8 28.Rf7 Kf7 29.Kf1 e5 30.Bd7 Qe3 31.Be8!+/– Ke6 32.Ne3 Ne3 33.Ke2 Nc2 34.Bh5 Nd4 35.Kd3 Kd6 36.Bd4 ed4 37.Kd4 Bf6 38.Kc4 c6 39.Bg4 h6 40.Bc8 Be5 41.g4 Bb2 42.a4 ½–½. Nebe,Lutz – Mueller,P, corr SOK–91–69, 1991.

5.c4 d6 6.Nf3 Qh6 7.d4 Be7 8.Bd3 0–0 9.0–0 a5 10.Nbd2 ab4 11.ab4 Ra1 12.Qa1 d5 13.c5 Ne4 14.Qa5 c6 15.Qc7 Nd7 16.Nb3 f4 17.ef4 Qf4 18.Qf4 Rf4 19.Ra1 Rf8 20.Ra7 Ng5 21.Ne5 Ne5 22.de5 Nf7 23.Na5 Nd8 24.Ra8 Bd7 25.Kf1 Bh4 26.Bd4+– Be7 27.Ke2 g6 28.Rb8 b5 29.cb6 Bb4 30.Nb3 c5 31.Bc5 Bc5 32.Nc5 Bc6 33.Rc8 (33.Rc8 g5 34.f3+–) 1–0. Nemec,Zdenek – Sternik,Ryszard, b4/03/15, 2003.

5.c4 Ne4 6.Qe2 +=.

5.c4 Ne4= 6.Nh3 Nc6!? =.

5.c4 Ne4= 6.Nh3 Rg8 7.d3+= Nf6 8.Nd2 Be7 9.Be2 Ng4 (9...d6 10.Nf3 Qh6 11.0–0+=) 10.0–0+/– d6 11.d4 (11.Nf3 Qh5+/–) 11...Nc6 12.Qc2 (12.Nf3 Qh5+/–) 12...e5+= 13.b5 Nd8 14.Nf3 Qf6 15.de5 (15.Nhg5 Qg6 16.Nh3 Qf6=) 15...de5+= 16.Nf4 Nf7 (16...Be6 17.h3 Nh6 18.Be5+– (< 18.Ne6 Ne6 19.Be5 Qg6+–)) 17.h3 (17.Nd5 Qd6+/–) 17...Ngh6 (17...g5 18.Nd5 (18.hg4?! gf4 19.ef4 Rg4+/–) 18...Qd6 19.hg4 fg4 20.Ne5+–) 18.Nd3 (18.Nd5 Qd6+/–) 18...Be6 (better is 18...Bd6!?+=) 19.Nde5 Nd6 (19...Bd6 20.Nf7 Qf7 21.c5+–) 20.Nd7 (20.c5 Ne4 21.c6 0–0–0+–) 20...Qg6 21.Nfe5 Qg5 22.Nc5 Bc8 23.Bf3 (23...Bf6 24.Na6+–) 1–0. Kucharkowski,Jens – Sternik,Ryszard, corr sok, 1996.

5.Qe2 d5 6.Be5 (6.Nf3 Qh6+=) 6...Bd6 7.Bd6 (7.Nf3 Qg4+=) 7...cd6 8.Nf3 Qh6 9.c4 (9.Nc3 0–0+=) 9...dc4 (9...0–0 10.Nc3=) 10.Qc4 Nc6 (10...0–0 11.Nc3=) 11.Nc3+= d5 (11...0–0 12.Qd3+=) 12.Qb3 Bd7 13.b5 Ne7 14.b6 (14.d4 Rc8+=) 14...ab6 (14...0–0 15.d4=) 15.Qb6+= Bc6 16.Qb4 Ne4 17.Rc1 Nc3 18.Rc3 Qf6 (18...d4 19.Qd4 Bf3 20.gf3+/–) 19.d4 0–0 20.Be2 Ng6 (20...Rfc8 21.0–0+=) 21.0–0 f4 22.Qd6 (22.Bd3 Nh4 23.Nh4 Qh4+=) 22...Rad8 23.Qc5 e5 24.de5 Ne5 25.Ne5 (25.Qd4 Rde8=) 25...Qe5 26.Bf3 (26.Qd4 Qd4 27.ed4 Ra8=) ½–½. Benassi,Aspasio – Plock,Joerg, corr friendly, 2001.

5.Qe2 Qe4 6.d3 Qc6 7.Nf3 +=.

5.Nf3 Qg4 +=.

5.Nf3 Qh6 6.Nc3 c6 7.d4 d5 8.Be2 Nbd7 9.0–0 Bd6 10.Qd2 0–0 11.Rab1 b6 12.b5 c5 13.Rfd1 Bb7 14.Bd3 Ne4 15.Qe1 Rac8 16.Ne2 (16.Be2 Ng5 17.h3 Nf3 18.Bf3 a5=+) 16...c4 17.Be4 fe4 18.Ne5 Rc7 19.Ng3 Ne5 20.de5 Bc5 21.Qd2? (21.Bd4!?=+) 21...Rcf7–/+ 22.Nh1? (better is 22.Bd4 Rf2 23.Qf2 Rf2 24.Kf2 Bd4 25.Rd4–/+) 22...Rf2–+ 23.Nf2 Be3 24.Qc3 (24.Qe2 Rf2 25.Qf2 Bf2 26.Kf2 e3 27.Kg1–+) 24...Bf2 (< 24...Rf2 25.Qe3 Qe3 26.Bd4–+) 25.Kh1 e3 26.Qd4 (26.Rd4 e2 27.Rg4 Bg3 28.Rg7 Kh8 29.Rg8 Rg8 30.Qg3 Rg3–+) 26...e2 (27.Rg1 Bd4 28.Bd4 Qf4–+) 0–1. Gross,Gerald – Sternik,Ryszard, email b4–01–05, 2001.

5.Nf3 Qh6 6.c4 Be7 7.d3 d6 8.Be2 g5 (8...0–0!?=) 9.0–0 g4 10.Nfd2 Rg8 11.Nc3 Bd7 12.Nb5 Na6 13.Nb3 (13.Rb1 e5=) 13...c6 14.N5d4 Rg5 (14...e5 15.Nc2=) 15.e4 (15.b5!? Rh5 16.h3 (16.ba6?? Rh2 17.f3 g3 18.ab7 Rh1) 16...cb5 17.cb5+=) 15...f4=+ (< 15...fe4 16.Bc1 e5 17.Nc2+=) 16.Qd2 (16.b5!? cb5 17.cb5=+) 16...e5–/+ 17.Nc2 (better is 17.b5!? Nb8 18.Rfe1–+) 17...Rh5 18.h3 Rg5 19.Bc1 (19.hg4 Bg4 20.f3–+) 19...gh3 20.g3 h2 21.Kh1 Qh3 22.Ne1 (22.Qe1–+) 22...Bg4 (23.Na5 Nh5 24.gf4 Bf3 25.Bf3 Qf1 26.Kh2 Qg1 27.Kh3 Rg3 28.fg3 Qg3#) 0–1. Gretencord,Ulf – Glowatzky,Tihomir, DESC, 2003.

5.Nf3 Qh6 6.Bc4 Be7 7.Nc3 a6 8.Ne2 (8.0–0 0–0+=) 8...b6 (8...d5 9.Bb3=) 9.d4 (9.Be5 d5 10.Bf4 Qg6=) 9...Bb7 10.Nf4 g5 11.Nd3 g4 12.Nd2 (12.Nfe5 Bg2 13.Rg1 Qh2–+) 12...Bg2–+ 13.Rg1 Qh2 14.Ke2 Ne4 (14...Bd5 15.Bd5 Nd5 16.c4–+) 15.Qe1 (15.d5 Nd2 16.Kd2 Bf3–/+) 15...Rg8 (15...d5!? 16.Bb3–+) 16.Nf4 Bf3 17.Nf3 gf3 18.Kf3 (18.Kd3 Nf2 19.Qf2 Qf2 20.Rg8 Kf7–+) 18...Rg1 19.Qg1 Qg1 20.Rg1 Nd2 21.Ke2 Nc4 22.Nd3 Nb2 23.Nb2 Kf7 24.Rh1 Kg7 25.Rg1 Kh8 (25...Kf6 26.c4–+) 26.Nc4 (26.c4 a5 27.Nd3 d5–+) 26...Nc6 27.f4 (27.Ne5 Ne5 28.de5 d5–+) 27...Rg8 28.Rg8 Kg8 29.c3 h5 (30.Ne5 Ne5 31.fe5 b5–+) 0–1. Maurer – Mueller,P, corr SOK–89–43, 1989.

5.g3 Qh6= 6.Bg2 c6 7.c4 Na6 8.d3 Be7 9.Nd2 Nc7 10.Ngf3 d6= 11.Qb3 Bd7 12.Rc1 e5= 13.c5 Be6 14.Qc2 Nd7 15.cd6 Bd6 16.Nc4 Bc4 17.dc4 Qe6 18.0–0 Be7 19.Rfd1 Bf6 20.e4+/– f4 21.c5 fg3 22.hg3 h5 23.Rd6+/– Qe7 24.Rcd1 0–0–0?? 25.Bh3+– Kb8 26.Rd7 Qe8 27.Rd8 Bd8 28.Be5 h4 29.Qd2 hg3 30.Bg3 a6 31.Bg2 Kc8 32.Qf4 Rf8 33.Qg4 Kb8 34.Ne5 Ka7 35.Qg7 Ne6 36.Qd7 (36.Qd7 Qd7 37.Rd7+–) 1–0. De Visser,Arno – Strik, Noordkop, 2000.

5.c4 Be7

6.g3 Qh6 7.Bg2 0–0 8.d3 Nc6 9.Ne2 Nd8 10.Nbc3 Nf7 11.Bc1 (11.Nb5 c6 12.Nc7 Rb8=+) 11...g5 (11...e5 12.Nb5 c6 13.Nc7=+) 12.h4 gh4 (12...g4 13.Nb5 c6 14.Nc7+=) 13.Rh4 Qg7 14.Rh1 d6 15.Bb2 Nh6 (15...e5 16.d4+/–) 16.Qd2 (16.Nb5 c6 17.Nc7 Rb8+–) 16...Nhg4 17.f3 (17.Nb5 c6 18.Nc7 Rb8+/–) 17...Ne5+/– 18.0–0–0 (18.Nb5 Ne8 19.Bd4 Bf6+/–) 18...c6+= 19.Nf4 Qg3 (19...a5 20.b5+=) 20.Nce2 Qg7 21.Nh5 (better is 21.Nd4!? Qf7 22.Rdg1+=) 21...Nh5=+ 22.Rh5 Bf6 23.Be5 Be5 24.d4 Bf6 25.Rg1 Qe7 26.Bh3 Kh8? 27.Nf4+– Rg8 28.Ng6 Rg6 29.Rg6 a5 30.Qg2 Bd7 31.Rgh6 Qf7? 32.Qh2+– Bg7 33.Rh7 Kg8 34.Qg3 (34...Kf8 35.Rh8 Ke7 36.Ra8 Bd4 37.Qg5 Bf6 38.Qg8 Qg8 39.Rg8+–; < 34.Qd6 e5 35.Kd1 ab4 36.Qb4 ed4 37.ed4 Qf6+–) 1–0. Labahn,Wolfgang – Brenke,Andreas, Paderborn GER, 1988.

6.Nh3?! a5 7.b5 0–0 8.d4 (8.g3 Qh6 9.Bg2 d5 10.cd5 Nd5 11.Nc3 Nb6 12.d3=) 8...d5 (8...b6 9.Nd2 Bb7 10.Nf3 Qg4 11.Nf4 Bd6 12.h3 Bf3 13.gf3 Qh4 14.Nd3 c6=) 9.Nd2 Ne4 10.Nf3 (10.Be2 c6 11.0–0 cb5 12.cb5 Nd7 13.Rc1 Bd6=) 10...Qh6 11.Rc1 c6 12.Ne5 (12.Be2!?) 12...Nd7!? 13.bc6 (13.Nf3!?) 13...Ne5 14.cb7 Bb7 15.de5 Rab8 16.Rc2 (16.cd5 Bd5 17.Qe2 Rfc8 18.Rc8 Rc8 19.Nf4) 16...Bc6 17.Qa1 Ba4 18.Rc1 Rb3 (19.Rc2 (19.Bd4 Ra3 20.Qb2 Bb4–+; 19.Be2 Rfb8 20.cd5 Rb2 21.d6 Bh4–+) 19...Re3! 20.fe3 Bc2 21.Qc1 Bb3–+) 0–1. Welti,Manfred – Sternik,Ryszard, email b4–01–05, 2001.

6.Nf3 Qh6

7.Nc3 0–0 +=.

7.Bd3 a5 8.b5 =.

7.Bd3 g5 8.Bc2 g4 9.Nd4 Rg8 10.Ne2 b6 11.Be5 Bb7 12.0–0 d6 13.Bf4 Qg7 14.d4 Nbd7 15.Nbc3 a6 16.d5 e5 17.Bg3 Qg5 18.Qd3 e4 19.Qd2 Nf8 20.Bf4 Qg6 21.a4 h5 22.a5 N6d7 23.Ba4 h4 24.ab6 cb6 25.Bc6 Bc6 26.dc6 Ne5 27.Qd5 Ne6 28.Be5 de5 29.Qd7 Kf7 30.Nd5 Qg5 31.c7 (31...Rac8 32.Ra6+– (32.Ne7 Qe7 33.Qd5 Qc7 34.Ra6 Rgd8–/+); 31.Ne7?! Qe7 32.Qe7 Ke7=; 31.Nb6?! Rgd8 32.Qb7 Rdb8 33.Na8 Rb7 34.cb7 Qg8 35.Ra6 Qb8+–) 1–0. Jacewicz,Grzegorz – Glowatzky,Tihomir, corr or02–020, 2002.

7.Be2 a5 8.b5 =.

7.Be2 g5 8.Qa4 (8.Nc3 d6+=) 8...Rg8 (8...g4 9.Nd4 c6 10.0–0+=) 9.Ne5 g4 (9...Nc6 10.0–0+/–) 10.c5 (10.Nc3 f4+/–) 10...Kf8 (10...b6 11.cb6 cb6 12.0–0+=) 11.Nc3 (11.0–0 d6 12.cd6 Bd6+/–) 11...d6 12.cd6 cd6 13.Nb5 (13.Nc4 Bd7 14.b5 Na6+/–) 13...Na6 (13...de5!? 14.Nc7 b5 15.Bb5 Bb7 16.Be5 a6 17.Na8 Bg2+=) 14.Nd6! Bd6 15.Ba6 g3 (15...ba6? 16.Qc6 Be5 17.Be5+– (17.Qa8?! Bb2 18.Ra2 Kg7 19.Rb2 f4+=)) 16.fg3 (16.hg3 Qh1) 16...Ne4 17.0–0 Nd2 (17...ba6? 18.Qc6 Rb8 19.Qe4+–) 18.Rf4 Qf6 19.Nc4 e5 (19...Qe7 20.Nd6 (20.Nd2?! Bf4 21.ef4 Qd6+/–) 20...Qd6 21.Qc2+–) 20.Nd2 (20.Nd6?! Qd6 21.Bb7 Bb7 22.Rf5 Ke7+/–) 20...ba6 21.Qc6 (21...Rb8 22.Nc4+–) 1–0. Benassi,Aspasio – Glowatzky,Tihomir, corr or01–016, 2001.

4.Nf3 Qh6

5.Nc3 Be7 6.Nb5 Na6 7.e3 Nf6 8.Nbd4 Nb8 9.Bc4 d5 10.Bb3 0–0= 11.c4 c6 12.0–0+= Bd6 13.cd5 ed5= 14.Qc2 Qh5 15.Ne2 Nfd7 16.Ng3+= Qf7 17.Nh4 Ne5 18.f4 Ng4 19.Qc3 Qc7 20.Bc2 Nh6+= 21.Nh5 Rf7 22.Nf3 Bf8 23.Rac1 Nd7 24.Ng5 Re7+= 25.Ne6 Qd6 26.Neg7+/– (26.Neg7 Bg7 27.Ng7+/–) 1–0. Moedl,Willy – Sternik,Ryszard, corr EM b4–04–19, 2004.

5.Nc3 Nf6 6.Nb5 Na6 7.e3 c6 8.Nbd4 Nc7 9.Be2 Be7 10.c4 d6 11.Qc2 0–0 12.0–0 g5 13.h3 Bd7 14.g3 g4=+ 15.hg4 Ng4 16.Kg2 e5 17.Rh1 Qg6 18.Nb3 Bf6 19.Nh4 Bh4 20.Rh4+= Rf7 21.c5 Rd8?? 22.Bg4+– fg4 23.Qg6 hg6 24.cd6 Ne8 25.Rah1 Rg7 26.Rh8 Kf7 27.Be5 Rg8 28.R1h7 Kf8 29.Nc5 Bf5 30.e4 b6 31.ef5 bc5 32.fg6 cb4 33.Rf7# 1–0. usingprogram – izadora1, internet, 2011.

5.Nc3 Nf6 6.e3 Be7 7.Be2 (7.Nb5 Nd5+=) 7...Nc6 8.Nb5 Bd8 (8...Nd5 9.c4 a6 10.cd5 ab5 11.dc6 bc6 12.a4+–) 9.0–0 b6 (9...0–0 10.Nbd4+=) 10.d4 (10.Nc3 0–0+/–) 10...Bb7 11.c4 Ne7 (11...0–0 12.d5 Ne7 13.d6 cd6 14.Nd6+/–) 12.c5 (12.Qa4 a6 13.Nc3 0–0+=) 12...Ned5 13.Qc2 g5 (13...0–0 14.Ne5=) 14.Rfc1+/– g4 15.Ne5 Ne4 (15...a6 16.Nc3+=) 16.Bd3 (better is 16.Ng4!? fg4 17.Qe4+/–) 16...Ne3 17.Qa4 (17.fe3 Qe3) 17...Kf8 (17...Nc5 18.dc5 (< 18.bc5 g3 19.hg3 Bc6+–) 18...0–0 19.Nd7+– (19.fe3?! Qe3 20.Kh1 a6+–)) 18.Nd7 (18.Be4 Be4 19.fe3 Qe3 20.Kf1 Qd2–/+) 18...Kg8? (better is 18...Ke7 19.d5! g3 20.hg3 Nf2 21.Kf2 Nd5+–) 19.c6 Qf4 (19...g3 20.hg3 (20.fg3? Ng4–+) 20...Ng3 21.fg3= (21.fe3 Qe3 22.Kh2 Bc6 23.Rc6 Qd3+–)) 20.Be4 Qe4 21.fe3 Bc6 22.Rc6 Qc6 23.Ne5 (23...Qe4 24.Re1+– (< 24.Na7 Qe3 25.Kh1 b5+/–)) 1–0. Dziel,Jaromir – Sternik,Ryszard, corr sok, 1995.

5.c4 a5 6.b5 Nf6 7.d4 b6 8.a4 (8.Qd2 Qd2 9.Nbd2 Bb7+=) 8...Bb4= 9.Bc3 0–0 10.Bb4 ab4 11.e3 Bb7 12.Be2 (12.Bd3 f4 13.Qe2 fe3 14.Qe3 Bf3 15.Qh6 gh6 16.gf3 Re8=) 12...f4=+ 13.Qd2 fe3 14.Qe3 Qe3 15.fe3 Ng4 16.Kd2 d6 17.Nh4 (17.Rf1 Nd7=+) 17...Nf2 18.Rf1 Ne4 19.Kc2 (19.Kd1 Rf1 20.Bf1 c5=+) 19...Rf1 (19...Re8 20.Kd1=+) 20.Bf1=+ Nf6 (21.Bd3 Ng4=+; 20...c5 21.bc6 Bc6 22.Kb3=+). Grehl,Siegfried – Sternik,Ryszard, corr sok, 1996.

5.c4 a5 6.Nc3 Nf6 7.c5 Be7 8.d4 =.

5.c4 a6 6.Nc3 Nf6 7.Qa4 Nc6 8.Nb5 +=.

5.c4 Na6 6.e3 Nf6 7.c5 b6 8.Qa4 +=.

5.c4 b6 6.Nc3 Bb7 7.Nb5 Na6 8.e3 Be7 9.Be2 Nf6 10.0–0 0–0 11.d4 f4 12.Qd2 Ng4 13.h3 fe3 14.fe3 Ne3 15.Rf2 Bg5 16.Qd3 Bf4 17.Re1 Bg3 18.Bc1 Bf2 19.Kf2 Qh4 20.Ke3 Bf3 0–1. Wartig – Sternik, corr SOK–96–114 1996.

5.c4 b6 6.Nc3 Bb7 7.d4 Nf6 8.Bc1 +=.

5.c4 b6 6.d4 Bb7 7.e3 Nc6 8.Bd3 Nf6 9.Nbd2 Nd8 10.0–0 Be7 11.Re1 g5 (11...0–0 12.Qc2+=) 12.h3 (12.d5!?+/–) 12...g4= 13.hg4 fg4 14.Nh2 g3 15.fg3 Rg8 16.Ndf3 Rg3 17.Bf1 (17.e4!?=) 17...Nf7 18.c5? (better is 18.Qc2–/+) 18...Bf3–+ 19.Nf3 Ng4 (19...Ng4 20.Nh4 Qh4 21.Qg4 Qg4 22.cb6 ab6–+) 0–1. Wartig,Wolfgang – Sternik,Ryszard, SOK theme corr, 1995.

5.c4 b6 6.e3 Nf6 7.g3 (7.Be5 d6 8.Bf4 Qg6+=) 7...Bb7= 8.Bg2 Be7 9.d4 (9.Be5 d6 10.Bf4 Qh5=) 9...d6 (9...0–0 10.0–0=) 10.Nc3 Nbd7 (10...0–0 11.0–0=) 11.d5+= e5 12.h4 (12.Qc2 e4 13.Nd4 Qg6+/–) 12...Ng4 13.Nb5 Bd8 14.Ng5 (14.Rb1!?+=) 14...a6=+ 15.Nc3 Bg5 16.hg5 Qg5 17.Bf3 (17.e4 0–0–0=+) 17...Ndf6 18.Bg4 (18.Qa4 Kd8=+) 18...fg4 19.Qc2 (19.Qa4 Kf7–/+) 19...Bc8 20.Bc1 Kf7 21.e4=+ Qg6 22.Be3 a5 23.b5 Ke7 24.0–0–0=+ h6 25.Rh4 Bd7 26.Rdh1 Rhf8 27.a4 Rf7 28.R4h2 Raf8 29.Rf1 Ne4?? 30.Qe4= Bf5 31.Qg2 Bd3 32.f4?? gf3–+ 33.Qf2 Bf1 34.Qf1 Qg3 35.Qf2? Qf2 36.Rf2 g5 37.Ne4 Rh7 38.Rh2 g4 39.Rh6 Rh6 40.Bh6 Rg8 41.Ng3 Rg6 42.Kd2 Kf7 43.Be3 Rg8 44.Bf2 Kg6 45.Ke3 Rh8 46.Kd2 Rh3 47.Ke1 Kg5 48.Be3 Kg6?? 49.Bf2 Rh2 50.Kf1 Rg2 51.Ke1 Kg5 (52.Kf1 Kf4 53.Nh5 Ke4–+) 0–1. Faas,Dominik – Buettner,Thomas, DLM Binz, 1995.

5.c4 c5 6.Nc3 Nf6 7.e3 b6 8.Nb5 +=.

5.c4 c6 6.Nc3 Nf6 7.d4 d6 8.e3 +=.

5.c4 Nc6 6.Nc3 Nf6 7.Nb5 Kd8 8.d4 +=.

5.c4 d5 6.e3 Nf6 7.Be5 a5 8.Nc3 +=.

5.c4 d6 6.Nc3 Nf6 7.d4 Be7 8.Qc2 0–0 9.e4 c5 10.bc5 dc5 11.e5 Ne8 12.d5 b6 13.Bc1 g5 14.h4 f4 15.d6 Bd8 16.Qe4 Qg7 17.Qa8 Bb7 18.Qb8 Bf3 19.gf3 Qe5 20.Ne2 Nd6 21.Ra2 b5 22.Qa7 Nc4 23.hg5 Ba5 24.Bd2 Qf5 25.Nc1 Nd2 26.Rd2 Bd2 27.Kd2 Rd8 28.Bd3 c4 29.Qh7 Qh7 30.Rh7 cd3 31.Rb7 Rd5 32.Nd3 Rg5 33.Nf4 Rf5 34.Ke3 Rc5 35.Nd3 Rc3 36.Ra7 Rc4 37.Ra5 Rc3 38.Kd2 Rc6 39.Rb5 Rd6 40.a4 1–0. Arno de Visser – Strik, Noordkop 1986.

5.c4 d6 6.d4 Nf6 7.e3 Be7 8.Bd3 +=.

5.c4 d6 6.e3 Nf6 7.Be2 Be7 8.Nc3 Bd7 9.Qb3 0–0 10.c5 d5 11.Ne5 Be8 12.f4 Nbd7 13.Nd7 Bd7 14.0–0–0 c6 15.h3=+ b6 16.cb6 ab6 17.g4 Ne4 18.Ne4 fe4 19.g5 Qg6 20.Bg4? c5–+ 21.h4 cb4 22.h5 Qe8 23.ab4 Ba4?? 24.Qc3?? Rf7?? 25.Be6+/– Kf8? 26.g6+– Bf6 27.gf7?? Qe6–+ 28.Qa3 Qc6 29.Bc3 Bd1 30.Qb2 Bc3 31.dc3 Bf3 32.Rg1 Rc8 33.h6 g6 34.Kd2 Qc4 35.Qc2 Qe2 36.Kc1 Qe3 37.Kb2 Qg1 38.Qb3 Rc4 39.Ka2 Qf2 40.Qb2 (40.Qb2 e3 41.Kb3 Qb2 42.Kb2 e2 43.Kc1 e1Q 44.Kb2 Qc3 45.Ka2 Rb4 46.f5 Qb2) 1–0. orangutanb4 (2025) – izadora1 (1750), kurnik, 2011.

5.c4 Bd6 6.Nc3 Be7 7.Ra2 d6 8.Qa4 +=.

5.c4 Be7 6.Nc3 a5 7.Qa4 b6 8.Nb5 +=.

5.c4 Ne7 6.Nc3 d6 7.e4 fe4 8.Ne4 +=.

5.c4 Qg6 6.Ne5 Qg5 7.e3 d6 8.Qa4 +=.

5.c4 Qh5 6.e3 d6 7.Nc3 Nf6 8.Be2 +=.

5.d4 Nf6= 6.Bc1 Qh5 7.Bf4 Bd6 8.Bd6 cd6 9.e3 e5? (better is 9...0–0=) 10.de5+/– Ne4 (10...de5!? 11.Nc3 Nc6+–) 11.ed6+– Qg6 12.Ne5 (12.Nbd2 Nc3 13.Qc1 Qd6+–) 12...Qd6 13.Qd6 Nd6 14.c4 (14.Nc3 Nc6 15.Nc4 Nc4 16.Bc4 Ke7+–) 14...0–0? (14...Nc6 15.Nf3+/–) 15.Nc3 (15.c5 Re8 16.cd6 Re5 17.Bc4 Kh8+–) 15...b6? (15...Nc6 16.Nf3+–) 16.Nd5 (better is 16.c5!? bc5 17.bc5 Nb7 18.Bc4 Kh8+–) 16...Nc6 17.Nc6 dc6 18.Ne7 Kf7 19.Nc6 Bd7 (19...Be6 20.Rd1 Ne4 21.f3+–) 20.Ne5 (20.Ne5 Ke6 21.Nd7 Kd7 22.Bd3+–) 1–0. zucchini – AsceticKingK9, ChessWorld.net, 2012.

5.e3 a5 6.b5 Nf6 7.Be2 d5 8.c4 Bd6 9.Qc2 Nbd7 10.cd5 Nd5 11.Nc3 N7f6 12.Bc4 Nb6 13.Bb3 Bd7 14.d4 Rg8 (14...Nfd5 15.Ne5 Be5 16.de5=) 15.0–0–0 (better is 15.0–0!?+/–) 15...Nfd5=+ 16.Nd5 ed5 17.a4 Qe6 18.Ne5 Bc8 (18...Rc8 19.Kd2=) 19.Kb1 Qe7 20.Rhe1 Be6 21.f3 g6 22.Ka1 0–0–0 23.Bc3 Bb4 24.Rc1 Rg7 25.Ka2 Kb8 26.Qd2 (26.Bb4 Qb4 27.Qc3 Qc3 28.Rc3 Re8+=) 26...Nc4 (26...Bd6!?=) 27.Bb4+= Nd2 28.Be7 Re7 29.Rc2 Nb3 30.Kb3 g5 31.f4 h6 32.Ka3 Ka7 33.Rec1 Kb6 34.Rf2 Rg8 35.g4 gf4 36.gf5 Bf5 37.Rf4 Rg5 38.h4 Rh5 39.Rcf1 Be4 40.Rg1 c6 41.bc6 bc6 42.Rf6 Rh4 43.Nc6 Rh7 44.Na5! Ka7 (44...Ka5 45.Rg8) 45.Nb3 Rh3 46.Nc5 Re3 47.Kb4 Bd3 1–0. Feilmayr,Erwin – Sternik,Ryszard, corr SOK–96–114, 1997.

5.g3 Nf6 6.Bg2 d6 7.c4 Nc6 8.b5 Ne7 9.Nd4 e5 10.Nb3 g5 11.Nc3 Bg7 12.d4 e4 13.Qc2 0–0 14.h4 g4 15.e3 c6 16.bc6 bc6 17.Na5 Rb8 18.a4 Nh5 19.Ba3 Ng3! 20.fg3?? Qe3–+ 21.Ne2 Bd4 22.Ra2 Bc5 23.Bc5 Qc5 24.Nb3 Qb4 25.Nd2 e3 26.0–0 ed2 27.Qd2 Qd2 28.Rd2 Rd8 29.Nf4 Rb4 30.Re1 Kf7 31.Rde2 Ng8?? 32.Bc6= Rc4?? 33.Bd5+– (33.Bd5 Kf8 34.Bc4+–) 1–0. orangutanb4 (2025) – izadora1 (1750), kurnik, 2011.

5.c4 Nf6

6.Qb3 Be7 7.Nc3 b6 8.d4 d6 9.e3 Bb7 10.c5 Nd5 11.Bb5 c6 12.Bd3 0–0 13.Bc4 (13.Nd5 cd5 14.Rc1 Rc8=) 13...Nd7 (13...Qg6 14.g3=+) 14.0–0 (14.e4 fe4 15.cd6 ef3 16.de7 Rf7 17.gf3 Qf6–/+) 14...Rf6 (14...Qg6 15.Rfc1=) 15.Bd5 ed5 (15...cd5!? 16.Qa4 Nf8+=) 16.b5+/– Rg6 (16...Re8 17.bc6 Bc6 18.Nd5+=) 17.bc6 Bc6 18.Nd5 Kf8 (18...Kh8 19.Rfc1 (19.Ne7?? Rg2 20.Kh1 Rh2 21.Kg1 Rh1 22.Kg2 Qh3) 19...Rg2 20.Kg2+=) 19.cd6 (better is 19.Rfc1!?+/–) 19...Bd6+= 20.g3 (20.Rac1 Bb7 21.h4 Qh5–/+) 20...Qh5 21.Ne5 (better is 21.Rac1!? Bb7 22.Ne5 Be5 23.de5=+) 21...Be5–/+ 22.de5 Rh6 23.h4= Qf3 24.Qb4 Nc5–+ 25.e4 a5 26.Qd4 Ne4 27.Kh2 Ng5 28.Nf4 Be4 29.Bc1 Kg8 30.Qc4 Kh8 31.a4 Qg4 32.Ra3 Rc6 33.Qd4 Nf3 34.Rf3 Qf3 35.Be3 Rac8 36.Qd7–/+ R6c7 37.Qe6 Rc6 38.Qd7 R6c7 39.Qe6 Rc6 40.Qd7= ½–½. Steinmann,Joachim – Ziese,Gerhard, corr 3GMM½–07, 1998.

6.Qb3 Be7 7.e3 b6 8.d4 Bb7 9.Nbd2 Nc6 10.Rc1 a5 11.b5 Nd8 12.Bd3 g5 13.d5 g4 14.Nd4 g3! 15.f4 gh2 16.N2f3 Ng4 17.Bf1 Bh4 18.Kd2 Bf2 19.Nc2 Rg8 20.Rd1 Nf7 21.Kc1 Nd6 22.de6 de6 23.Rd3 Ne4 24.Be5 Nc5 0–1. Krahl – Feustel,B, Kaiserslautern, 1983.

6.Nc3 a5 7.Qa4 +=.

6.Nc3 c5 7.Nb5 Na6 8.bc5 Bc5 9.d4 Be7 10.e3 0–0 11.d5 Bc5 12.Bd4 f4 13.Bf6 Qf6 14.e4 Bb6 15.Be2 Ba5 16.Kf1 g5 17.Qd4 Qd4 18.Nfd4 Nc5 19.Rb1 Ne4 20.Nb3 Bb6 21.f3 a6 22.fe4 ab5 23.c5 Bd8 24.Nd4 ed5 25.ed5 Ra3 26.Nb5 Ra8 27.Nd6 Bf6 28.Bc4 Bd4 29.c6 b6 30.Nc8 Rfc8 31.d6 Kg7 32.c7 Bc5 33.Bd5 Ra7 34.Ke2 Bd6 35.Rb5 Re8 36.Kf3 h5 37.Rhb1 Ra3 38.Kf2 Rc3 39.Bb3 g4 40.Rh5 g3 41.Kf1 0–1. de Visser,Arno – Strik, Noordkop, 1987.

6.Nc3 c6 7.e3 d5 8.Be2 Qg6 9.0–0 Bd6 10.d4 0–0 11.Ne5 Be5 12.de5 Ne4 13.f3 Nc3 14.Bc3 b6 15.b5 Bb7 16.bc6 Bc6 17.Bb4 Rc8 18.Rc1 Nd7 19.Qd4 Bb7 20.cd5 Bd5 21.Kh1 a6 22.Bd6 Bc6 23.Bc4 Bb7 24.Ba2 b5 25.Bc7 Nf8 26.Rfd1 Qf7 27.Qb6 Bd5 28.Bd5 ed5 29.Rc6 Ne6 30.Re6 Rc7 31.Rc6 Re7 32.f4 Ree8 33.Rd6 Rec8 34.e6 Qf6 35.h3 Re8 36.R1d5 Qa1 37.Kh2 g6 38.Qb7 Qf6 39.Re5 h6 40.Ra6 Ra6 41.Qa6 h5 42.Qb5 Re6 43.Qd5 Kf7 44.Kg3 Ke7 45.Qe6 Qe6 46.Re6 Ke6 47.Kf3 Kd5 48.Ke2 Kc4 49.Kd2 Kb3 50.Kd3 Ka3 51.e4 Kb4 52.ef5 gf5 53.Kd4 h4 54.Ke5 1–0. Kreuzer – COMP, 1993.

6.Nc3 d6 7.d4 Be7 8.g3 0–0 9.Bg2 Nbd7 10.0–0 Ne4 11.Nb5 Bd8 12.a4 a5= 13.Bc1 Qg6 14.Nd2 ab4 15.Ne4 fe4 16.Qb3 e5 17.c5 Qf7 18.Qf7= Rf7 19.cd6 c6 20.de5 cb5 21.e6 ba4 22.ef7+= Kf7 23.Be4 Nc5 24.Bc2 a3 25.Be3+= b6 26.Bd4 Be6 27.Rfb1 b3 28.Bc5?? bc2–+ 29.Rb6 Bb6 30.Bb6 Rb8 0–1. Welti,Manfred – Sternik,Ryszard, b4–04–19, 2004.

6.d4 a5 7.b5 b6 8.e3 Bb7 9.Nbd2 Be7 10.h3 d6 11.Qc2 0–0 12.Be2 Qg6 13.Rg1 Ne4 14.Ne4 fe4 15.Nd2 Nd7 16.Nf1 Qf7 17.Bd1 Bh4 18.g3 Bg5 19.h4 Be7 20.Bg4 a4 21.d5 Nc5 22.Be6 Ne6 23.de6 Qe6 24.Nd2 Bf6 25.Rf1 Bb2 26.Qb2 Qg4 27.Nb1 Qf5 28.Qd4 Rf7 29.Nc3 Qc5 30.Qc5 bc5 31.Rb1 Re7 32.Ne2 Bc8 33.Nf4 Rf7 34.Kd2 Rb8 35.Rb2 Bg4 36.Kc3 Kf8 37.Rfb1 Ke7 38.Kd2 Be6 39.Kc3 Rb6 40.Rc1 Rf8 41.Kd2 Bf7 42.Ke1 c6 ½–½. Frenzel,Lothar – Sternik,Ryszard, corr SOK–122, 1999.

6.d4 b6 7.Nc3 Be7 8.d5 Ba6 9.e3+/– Bb7 10.de6 de6+= 11.Nb5 Bd8 12.Be5 Na6 13.Bf4 Qh5 14.Be2 0–0+= 15.Ne5 Qe8 16.0–0 Be7 17.Qc2 Be4 18.Qb3 c5+= 19.Nd3 Bd3 20.Bd3+= cb4 21.ab4+/– Nb4 22.Nc7 Qc6 23.Na8 Nd3 24.Qd3 Ra8+= 25.Qb3 Ne4 26.Rfd1 Bf6 27.Rac1 g5= 28.Bg3 h5 29.f3+= Nc5 30.Qb5 Qb7 31.Bd6+/– a6 32.Qb4 Nd7 33.c5 Qc6+/– 34.cb6 Qb6 35.Qb6 Nb6 36.Rc6 Nd5 37.Bc5 Kf7 38.Rb1 Be7 39.Rb7 Kf6 40.Bd4 Kf7 41.e4 fe4 42.fe4 Nf4 43.Be3 e5 44.Rcc7 Ng6 45.Bg5 Re8 46.Ra7 Kf8 47.Be7 Re7 48.Re7 Ne7 49.Ra6 Kg7 50.Kf2 h4 51.Kf3 Ng6 52.Rg6 Kg6 53.Kg4 h3 54.Kh3 (54.Kh3 Kg5 55.Kg3+–) 1–0. Koerner,Helmut (1810) – Baumeister,Wolfgang, Berlin, 2006.

6.e3 Be7 7.Nc3 0–0 +=.

6.e3 Be7 7.Be2 a5 8.c5 =.

6.e3 Be7 7.Be2 b6 8.Nc3+= 0–0 9.d4 (9.0–0 Bb7+=) 9...a5= 10.Qb3 (10.b5 Bb7=) 10...ab4 11.ab4 Ra1 12.Ba1 Nc6 (12...Bb7 13.0–0=) 13.c5 d5 (13...Bb7 14.d5 Ra8 15.Bb2=) 14.0–0 (14.cd6 cd6 15.d5 Ne5+=) 14...f4= 15.Nb5 (15.Qa4 Bd7 16.b5 Nd8+=) 15...fe3 16.Nc7 (16.fe3!? Ng4 17.Re1=) 16...ef2 (16...Ng4 17.h3 ef2 18.Kh1–+) 17.Rf2 (17.Kf2 Ng4 18.Ke1 Nh2 19.Nh2 Qc1 20.Bd1 Qa1 21.Nd5 Bh4 22.g3 Nd4 23.Rf8 Kf8–+) 17...Ng4 18.Nd5? (better is 18.Bb5 Nf2 19.Bc6 Nh3 20.gh3 Qc1 21.Kg2 Qa1 22.Bd5 ed5 23.Nd5–+) 18...ed5–+ 19.Qd5 (19.Bb5 Nb4 20.Re2 Qc1 21.Re1 Rf3 22.Rc1 Rb3 23.cb6 Bb7–+) 19...Kh8 20.Bb5 Qe3 21.Qa2 Bh4!! (21...Qf2 22.Qf2 Nf2 23.Kf2 Nb4 24.c6–+; 21...Nf2?! 22.Qf2 Qe6 23.Qe1 Qe1 24.Ne1 Nb4 25.cb6–+) 22.g3 Rf3 23.Qe2 Qf2 24.Qf2 Rf2 25.Bc6 Bg5 26.h3 Be3 27.hg4 Ra2 28.Kf1 Ra1 29.Ke2 Bd4 (30.cb6 Bg4 31.Bf3 Bf3 32.Kf3 Bb6–+) 0–1. Wantoch_Rekowski,Jacek – Sternik,Ryszard, corr or01–012 E–mail, 2002.

6.e3 Be7 7.Be2 b6 8.Nc3 Bb7 9.d4 d6 (9...0–0 10.Nb5 Rc8 11.0–0=) 10.b5 (10.d5 ed5 11.cd5 0–0+/–) 10...Nbd7 (10...a6 11.0–0=) 11.a4 (11.d5 Nc5+=) 11...g5 (11...0–0!?=) 12.d5+/– e5 13.Qc2 Qg6 14.Nd2 (14.a5 ba5 15.Bd3 e4–/+) 14...Nc5 15.Nb3 0–0 (15...Nb3 16.Qb3 a5 17.ba6 Ba6 18.Nb5+=) 16.Nc5+/– bc5 17.a5 Bc8 (17...a6 18.Bd3 e4 19.Be2+/–) 18.Bd3 (18.0–0 Rb8+/–) 18...e4 19.Be2 a6 20.Qd2 Bd7 (20...f4 21.0–0+/–) 21.Na4 Rfb8+= 22.Nc3 Qe8 23.0–0+/– Nh5 24.Rfb1 Bf6 25.ba6 Rc8 26.Nb5 Bb2+/– 27.Rb2 Ra6 28.Qc3 Qf7 29.Bh5 Qh5 30.Qf6 Ra5= 31.Rab1 Qg6 32.Qc3 Raa8 33.Qd2 Qe8 34.h3 Qd8 35.Qc3 Kf7 36.Qc2 Rcb8=+ 37.Qe2 Kg6 38.Qc2 h5 39.Kh2 Rb6 40.Qd2 Rab8 41.Qc2 Bc8 42.Qc3 Ba6 43.Na3 Rb2 (44.Rb2 Qh8 45.Qh8 Rh8–/+; 43...Qf6 44.Qf6 Kf6 45.Rb6 Rb6 46.Rb6 cb6 47.h4–/+) 0–1. Seifert,J – Muller,P, corr SOK–91–69, 1991.

6.h4 b6 7.Ng5 Bb7 8.b5 Be7 9.a4 Ng4 10.f3?? (better is 10.Nf3=+) 10...Bg5 (better is 10...Bd6 11.f4 Bf4–+) 11.Qc1 (11.h5 Nf6 12.a5–+) 11...Bh4 12.Rh4 Qh4 13.Kd1 Nh2 14.g3 (14.Kc2 Qc4 15.Nc3 a6–+) 14...Qg3 (14...Nf1 15.gh4 d6 16.Qc3+– (< 16.Bg7 Rg8 17.Qc3 Nd7+/–)) 15.Kc2 d6 (15...a6 16.d4–+) 16.Nc3 Nd7 17.d3 Qf2 18.Qe1 Qe1 (18...Nf1? 19.Qf2 a6 20.Rf1+–) 19.Re1 Nf1 20.Rf1 h5 21.Rh1 h4 22.e4 fe4 23.Ne4 e5 24.Bc3 Be4 25.fe4 h3 (26.Bd2 Nc5–+) 0–1. Robson,Alan – Sternik,Ryszard, corr SOK–97–123, 1999.

6.Nc3 Be7

7.Nb5 Na6= 8.c5 b6 9.Be5 bc5 10.bc5 Bc5 11.Bc7 0–0 12.Be5 Ng4 13.d4+= Bb6 14.Qd2 Qd2 15.Nd2 Ne5 16.de5 Bb7 17.Nd6 Bc6 18.N2c4 Bd4 19.Rc1 f4 20.e3 Bc5 21.ef4 Rf4 22.f3 Bd4 23.Bd3+/– Nc5 24.Ke2 Raf8 25.Rhd1 g5 26.h3 Kg7 27.Bc2 h5 28.Kd2 Bd5 29.Rh1 Rb8 30.Rb1 Rb1 31.Bb1 Nb7 32.Re1 Nd6 33.Nd6 Bb2 34.Re3 Ra4 35.Ne8 Kh6 36.Nf6 Bc4 37.Nd7 Ba3 38.Re4 Bb5 39.Nf6 Re4 40.Ne4 Bf1 41.Ba2 Bg2–/+ 42.Be6 Bf3 43.Kd3 a5 44.Nd2 Bc6 45.Nc4 Bb4 46.Nd6 Kg7 47.Ne4 Kg6 (47...Kg6 48.Nd6 Bf3–/+) 0–1. Steingraeber,Barbara – Gohla,Ulf, corr, 2005.

7.Nb5 Bd8 8.e3 (8.Be5+=) 8...Nc6 9.d4 a6 10.Nc3 Ne7 11.Bd3 g5 (11...b6 12.e4+=) 12.d5 (12.0–0 g4 13.Nd2 d6+/–) 12...g4+= 13.Nd4 g3 14.fg3 Qe3 15.Nce2 Ng4 (15...ed5?? 16.Bc1 Qe5 17.Bf4+–) 16.Rf1 Rg8 (16...Nh2? 17.Nc2 Qh6 18.Bh8 Nf1 19.Kf1+–) 17.Nc2 Qh6 18.h3 Nf6 19.Qc1 Qc1 20.Rc1 (< 20.Bc1 ed5 21.cd5 Nfd5=+) 20...Ng6 (20...Rf8!?+=) 21.g4+– ed5 22.cd5 (22.Rf5?! dc4 23.Bc4 Rf8+=) 22...Nd5 23.Bc4 Nge7 24.gf5 b5 25.Ba2 (25...Rg2 26.f6+–) 1–0. Rohde,Friedhelm – Glowatzky,Tihomir, corr or02–020, 2002.

7.d4 0–0 8.Bc1 Qg6 9.Qd3 =.

7.d4 0–0 8.e3 d6 9.Bd3 Bd7 10.0–0 Nc6 11.e4 f4 12.e5 Ne8 13.Re1 Nd8 14.d5 Rf7 15.Bc2 Bf8 16.Qd3 g6 17.ed6 cd6 18.de6 Be6 19.Nd4 Ng7 20.Bb3 Bf5 21.Nf5 Rf5 22.Ne4 (22...f3 23.c5 Kh8 24.Nd6+–) 1–0. Krasny,Henryk Jan – Ziese,Gerhard, corr 3GMM½–07, 1999.

7.d4 a5 8.b5 b6 9.d5 0–0 10.g3 Ne4 11.e3 Bc5 12.Qe2 d6 13.Bg2 Nc3 14.Bc3 e5 15.0–0 Nd7 16.Bd2 g5 17.Kh1 Rf6 18.Rg1 e4 19.Nd4 g4 20.Be4?? fe4–+ 21.Qg4 Kf7 22.Nf5 Qg6 23.Qg6 hg6 24.Nd4? Ne5 25.Kg2 Bg4 26.Bc3 Rh8 27.h4 Rh7 28.Rh1? Bf3 (29.Nf3 ef3 30.Kf1 g5–+; better is 28...Bd4 29.Bd4 Bf3 30.Kh3 Bh1 31.Be5 de5 32.Rh1 Rf2–+) 0–1. Hartmann,Gerhard – Syed,Tareq (2130), Dotzheim op 1st, 2002.

7.d4 d6 8.g3 Nc6 9.d5 Nb8 10.de6 Be6 11.Nd5 Nd5 12.cd5 Bf7 13.Rc1 Bd8 14.Nd4 +–. Campo Millan,Diego – Glowatzky,Tihomir, corr or01–016, 2002.

7.d4 g5 8.d5 g4 9.Nd4 a5 +/–.

7.d4 g5 8.g3 g4 9.Nd2 a6 (9...a5 10.b5+=) 10.Bg2+/– Nc6 (10...f4 11.gf4 Qf4 12.e3+/–) 11.e3 (11.d5 Ne5+/–) 11...Qg7 (11...d6 12.h3 Qg7 13.hg4 fg4 14.Qa4+=) 12.Qc2 (12.0–0 Qg6+/–) 12...h5 (12...d6+=) 13.Ke2 (better is 13.h4!?+/–) 13...h4= 14.Nb3 (14.Ke1 h3 15.Bf1 d6=) 14...Nd8 (14...d6 15.Ke1=) 15.Rad1 (15.gh4 Rh4 16.h3 gh3 17.Bh3 Qg6+=) 15...h3= 16.Bf1 b6 17.d5 Bb7 18.Rg1 (18.f4 gf3 19.Kf3 Nf7=+) 18...Qh7 (18...0–0 19.Ke1=+) 19.Ke1= 0–0 20.Bd3 Nf7 (< 20...ed5 21.Bf5 Qh5 22.cd5+=) 21.Nd2 (21.Ne2 Ng5 22.Ned4 e5–/+) 21...Ng5 22.e4 fe4–/+ 23.Nce4 Nfe4 24.Be4 Qf7 25.Rf1=+ ed5 26.cd5 Rae8 27.Bd4? Bd5 28.Bd5 Bf6 29.Be3 Qd5 30.Qg6 Bg7 31.Qc2 Kh8 32.Qg6 Kg8?? 33.Qc2 Qg2 34.Qc4 d5 35.Qg4 Re3! (36.fe3 Rf1 37.Nf1 Nf3 38.Qf3 Bc3 39.Rd2 Qf3–+) 0–1. Jeschke,Holger – Bahr,Torsten, Schleswig Holstein–ch, 1993.

7.e3 0–0 8.d4 b6 9.Bd3 a5 10.b5 Bb7 11.0–0 g5 (11...Qg6 12.d5=) 12.Re1+= g4 13.Nd2 Bd6 14.Nf1 Qh4 15.Qc2 h6 16.Ng3 Nh7 (16...Nh5!?+=) 17.e4+/– Ng5 (17...fe4 18.Nce4 Bg3 19.fg3+–) 18.e5 (better is 18.ef5!? c6 19.Qb3+–) 18...Be7+/– 19.Be2 (19.d5 f4 20.Nge4 f3 21.Ng5 Bg5+=) 19...Kh8 (19...Kg7 20.Bc1+=) 20.d5 Bc5 21.Bc1?? (21.de6 f4 22.e7 Bf2 23.Kf1 Bg2 24.Kg2+–) 21...f4–+ 22.Bf4 Rf4 23.Rf1 Nf3 24.gf3 gf3 25.Bd1 Qh3 26.Bf3 Rf3 27.Nce4 Bd4 28.Nf6 Rf5 29.Rae1 Be5 30.Re5 Rf6 31.Qe4 (31...Na6 32.Rh5 Qh5 33.Nh5 Rg8 34.Kh1+–) 1–0. Figiel,Rafal – Sternik,Ryszard, corr or01–022 E–mail, 2002.

7.e3 0–0 8.Be2 +=.

7.e3 b6 8.Nb5 Na6 9.Be5 d6 10.Bf4 Qg6 11.Nbd4 Nb8 (11...0–0 12.Nc6 Re8 13.Ne7 Re7 14.d4+=) 12.Bg3 (12.Qa4 Bd7 13.Nb5=) 12...0–0 13.Nh4 Qf7 14.Qf3 Ne4 15.d3 Ng3 16.hg3 d5 17.cd5 ed5 18.Rc1 c5 19.Nb5 Na6 20.bc5 bc5 21.d4 cd4 (21...g5 22.Bc4 Bb7 23.Nc3=+) 22.ed4–/+ g5 23.Nc7 (23.Nc3 Ba3 (23...gh4?! 24.Nd5 Bb7 25.Bc4–/+) 24.Ra1 Bb2 25.Ra6 Ba6 (25...gh4?! 26.Rh6=) 26.Ba6 Bc3 27.Qc3 Qe6 28.Be2 gh4 29.Rh4 Rfe8–+) 23...Nc7–+ 24.Rc7 Bb4 25.ab4 Qc7?? (25...Re8 26.Kd1 Qc7 27.Nf5 Bf5 28.Qf5 Re1 29.Ke1 Qc1 30.Ke2 Re8 31.Qe5 Qb2 32.Kf3 Re5 33.de5 Qb4–+) 26.Qd5+– Kg7 27.Nf3 Be6?? (27...Qc1 28.Ke2 Qc2 29.Ke1 Re8 30.Ne5 Qb1 31.Ke2 Ba6 32.Kd2 Qb4 33.Kd1 Qb1 34.Kd2 Qb2 35.Kd1–+) 28.Qe5?? (28.Qe6 Qc1 29.Ke2=+) 28...Qe5=+ 29.de5 h6 30.Nd4 Bd5 31.Rh2 Kg6 32.g4= Be4 33.f3 Bb1 34.gf5 Bf5 35.g4 Bd7 36.Bd3+= Kg7 37.e6 Be8 38.Nf5+– Kf6 39.Rh6 Ke5 40.e7 Rg8 41.Bc4 Rg6 42.Rh8 Rc6 43.Bd3 Rcc8 44.Rg8 Bc6 45.Rg5+– Kf4 46.Rg7 Bf3 47.Nd6 Ke3? 48.Nc8 Rc8 49.Bc2 Bc6 50.g5 (50...Bb5 51.Kd1+–) 1–0. Diener,Rudolf – Mueller,P, corr SOK–89–43, 1989.

7.e3 g5 8.d4 g4 9.Ne5 d6 10.Nd3 g3 11.Qf3 gf2 12.Nf2 a5 13.b5 Rg8 14.g3 Nbd7 15.Bg2 Nb6= 16.Qe2 d5 17.cd5 ed5 18.Nd3 c6 19.Ne5 Bd6 20.bc6+= bc6 21.Nc6 Ba6 22.Qf2 Ng4–/+ 23.Qf3 Nh2 24.Rh2? Qh2 25.0–0–0 Rg3 26.Qf5 Rg2 27.Qe6 Kf8 28.Qf6 Kg8 29.Qe6 Kg7 (29...Kg7 30.Ne7 Rc2 31.Kb1 Rb2 32.Ka1 Ba3 33.Nf5 Kf8 34.Qf6 Ke8 35.Ng7 Kd7 36.Qe6 Kc7 37.Nd5 Nd5 38.Rc1 Rc2 39.Qe5 Bd6 40.Rc2 Qc2 41.Ne8 Re8 42.Qg7 Re7 43.Qg1 Nc3 44.e4 Qa2) 0–1. arturo – Tihomir Glowatzky, ChessWorld.net, 2005.

7.e3 g5 8.d4 g4 9.Ne5 d6 10.Nd3 g3 11.fg3 Qe3 12.Qe2 Ng4 13.Nd1 Qh6 14.h3 Nf6 15.N1f2 Rg8 16.Nf4 Rg3 17.Bc1 Qh4 18.Ra2 Nc6 19.d5 Nd4 20.Qd1 e5 21.Ne2 Ne2 22.Qe2 Ne4 23.Qc2 Rc3 24.Qd1 Qg3 25.h4 f4! 26.Re2 Bg4 27.Rh3 Bh3 28.Re4 Bg4 29.Be2 Bh4 30.Kd2 Rc1 0–1. Gross,Gerald – Glowatzky,Tihomir, email SOK–99–134, 1999.

7.e3 g5 8.e4 fe4 9.Ne4 Rg8 10.Bf6 Bf6 11.d4 g4 12.Nf6 Qf6 13.Ne5! h5 14.c5 Nc6! 15.Nc6 dc6 16.Bc4 Bd7 17.0–0 0–0–0 18.f4 gf3 19.Rf3 Qh8 20.Qd3 Kb8 21.Rf4 Rg4 22.Re4 Be8 23.Rg4 hg4 24.Re1 Bg6! 25.Qe3 Bf5 26.Qe5 Qh4 27.Be6 Be6 28.Qe6 g3 29.hg3 Qd4 30.Qe3 ½–½. Luzuriaga,Norberto Horacio – Glowatzky,Tihomir, email SOK–99–134, 1999.

5.e3 Nf6

6.Nc3 c5 +=.

6.Nc3 Be7 7.Nb5 Na6 8.Be2 c6 9.Nbd4 Nc7 10.c4 d6 11.Qc2 0–0 12.0–0 Bd7 13.c5 Ng4 14.cd6 Bd6 15.h3 e5 16.Qc4 Kh8 17.Nf5 Bf5 18.hg4 e4 19.Ne5 Rae8 20.f4 ef3 21.Rf3 Be5 22.Be5 Re5 23.Raf1 Qd6 24.Bd3 b5 25.Qc3 c5 26.Bf5+/– c4 27.Rh3+– h6 28.g5 (28.g5 Rfe8 29.gh6 gh6 30.e4 Qb6 31.Kh1+–) 1–0. Woelfelschneider,Peter – Montermann, 2009.

6.Nc3 Be7 7.Nb5 Bd8 8.Be5 Na6 9.Bf4 Qh5 10.Be2 0–0 11.c4 d6 12.d4 Qe8 13.Rc1 Ne4 14.h3 b6 15.0–0 Bb7 16.Qc2 Be7 17.c5 bc5= 18.bc5 dc5 19.Rb1 Bd5 20.Ne5 cd4 21.Nd4 Nec5 22.Bb5 Qh5 23.Bc6 g5 24.Ba8+/– Ba8 25.Bh2 Be4 26.Qd1 ½–½. Subedei – Tihomir Glowatzky, ChessWorld.net, 2005.

6.c4 b6 7.Nc3 Be7 8.d4 Bb7 9.Be2 Ne4 10.d5 0–0 11.0–0 a5 12.b5 Bd6 13.h3 Nc5 14.Qc2 g5 15.g3 Be7 16.Kg2 d6 17.Nd2 (better is 17.Nd4!? Qg6 18.e4+/–) 17...Nbd7+= 18.f4 Rf7 19.Bf3 (19.Nb3 Bf6–/+) 19...e5–/+ 20.Rg1 (20.Rae1 e4 21.Be2 gf4 22.ef4 Qg6–/+) 20...Bf6 21.Rae1? (better is 21.e4 ef4 22.gf4–+ (worse is 22.ef5 fg3 23.Kg3 Re8–+)) 21...gf4 22.gf4 ef4 23.Kh2 Kf8 24.e4 (24.ef4 Qf4 25.Rg3 Bh4–+) 24...Ne5 25.ef5 Bc8 (25...Bc8 26.Nd1 Ncd3 27.Re5 Ne5–+ (27...Be5?! 28.Qd3 Bf5 29.Qf1 Bb2 30.Nb2–+)) 0–1. phildo (1830) – carnic (2225), gameknot.com, 2013.

6.c4 Be7 7.Nc3 0–0 8.Be2 Nc6 9.Qb3 d6 10.d4 Nd8 11.c5 d5 12.Ne5 Nd7 13.f4 c6 14.0–0 Ne5 15.de5 g5 16.h3 Rf7 17.Bd3 gf4 18.ef4 Rg7 19.Kh2 Bd7 20.Ne2 Nf7 21.Nd4 Bh4 22.Rf3 Qg6 23.g4 Nh6 24.Rg1 Rf8 25.Rff1+– Kh8 26.Nf3 Bd8 27.gf5 Qh5 28.Rg7 Kg7 29.f6 Kh8 30.Be2 Nf5 31.Qd3 (31...Qg6 32.Rg1+–) 1–0. Ranby,Hans – Ziese,Gerhard, corr 3GMM½–07, 1999.

6.c4 Be7 7.Be2 a5 8.b5 =.

6.c4 Be7 7.Be2 b6 8.d4 Bb7 9.Nbd2 Nc6 10.0–0 a5 11.b5 Nd8 12.Ne5 d6 13.Nd3 0–0 14.Nf4 a4 15.Rc1 Ne4 16.Nf3 g5 17.Nd3 g4 18.Nd2 Bf6 19.Ne4 Be4 20.Rc3 c5 21.bc6 Nc6 22.Bc1 Bd3 23.Rd3 Bg5 24.f3 gf3 25.Rf3 Ne7 26.Rh3 Qf6 27.Bf3 Ra7 28.Qd2 Rc7 29.Qb4 d5 30.Rc3 Rfc8 31.Qb6 Rc4 32.Rc4 Rc4 33.Qb2 Ng6 34.Be2 Rc8 35.Ba6 Rc7 36.Bb5 e5 37.Ba4 ed4 38.Bd2 de3 39.Qf6 Bf6 40.Be3 Rc3 41.Bb6 Rh3 42.gh3 Ne5 43.Bc2 f4 44.a4 Nc4 45.Bc7 Bd4 46.Kh1 f3 47.a5 Kf7 48.Bh7 Ke7 49.a6 Kd7 50.Bb8 Kc6 51.a7 Kb7 52.Bg8 Ne3 53.Kg1 Nd1 54.Kf1 Ba7 55.Ba7 Ka7 56.h4 Kb6 57.h5 Kc5 58.Be6 Ne3 59.Kf2 Nc4 60.h6 Ne5 61.h7 Ng6 62.h4 Kd6 63.Bg8 Ke5 64.Kf3 d4 65.Kg4 Kf6 66.h5 Nh8 67.Kf3 Kf5 68.Bc4 Kg5 69.Ke4 ½–½. Dopper – van Geemen, 1988.

6.c4 Be7 7.Be2 d6 8.0–0+= 0–0 9.Qc2 (9.d4 a5+=) 9...e5= 10.d4 (10.Nc3 e4 11.Ne1 a5=) 10...e4 11.Nfd2 Be6 (11...d5 12.Nc3=) 12.d5 Bf7 13.Rd1 c6 14.dc6 Nc6 15.Nf1 (15.Nc3 f4=) 15...a5 (15...d5 16.b5 Na5 17.cd5 Nd5 18.Rd5 Bd5 19.Qd2+/–) 16.b5 Ne5 17.Be5 de5 18.Qc3 Qg5 19.Qe5 Nd7? (better is 19...Ng4!? 20.Qc7 Bf6+=) 20.Rd7+– Bf6 21.Qg3 Qg3 22.Ng3 (22.fg3?! Ba1 23.Rb7 Rfb8 24.Rb8 Rb8+=) 22...Ba1 23.Rb7 g6 24.c5 Rfb8 25.Rb8 Rb8 26.Nd2 a4 27.b6 Bb2= 28.Nc4 Bc4 29.Bc4 Kg7 30.Bb5 Ba3 31.c6 Bd6 32.c7 Bc7 33.bc7 Rc8 34.Ba4 Rc7 35.f3 ef3 36.gf3 Rc4 37.Bb5 Rb4 38.Bc6 Rb2 39.e4 fe4 40.fe4 Kf6 41.Nf1 Ke5 42.Ne3 Kf4 43.Ng2 Kg4 44.Bd5 Rb1 45.Kf2 Rb2 46.Kf1 Kh3 47.e5+– Kh2 48.e6 Rb8 49.Bc6 Rf8 50.Ke2 Rf5 51.Ne3 Re5 52.Kf2 Kh3 53.Nd5 (53...h6 54.e7+–) 1–0. Hildingstam,Stefan – Sternik,Ryszard, corr or01–012 E–mail, 2001.

6.c4 g5 7.Be2 d6 8.d3 g4 9.Nfd2 b6 10.f3 Bb7 11.fg4 Bg2–/+ 12.Rg1?? Qh4 0–1. Fournier,Frederic – Mannerbra, Partie evaluee, 3m + 0s, 2009.

6.c4 g5 7.g3 b6 8.Bg2 Bb7 9.h3 Rg8 10.d3 Bd6 11.Qe2 Qf8 12.Nbd2 h5 13.Rc1 f4 14.e4 Be7 15.Rf1 g4 16.Nh4 f3 17.Nhf3 gf3 18.Bf3 Nc6? 19.Bh5?? Nh5 20.Qh5 Qf7 21.Qe2 0–0–0=+ 22.Qe3 d5 23.f4 Qh7 24.g4 d4 25.Qf3 Rdf8 26.Qh1 Bd6 27.Nb3? Rf4 28.Kd2 Rgf8 29.Nd4 Rf2 30.Rf2 Rf2 31.Kd1 Rb2 32.Nc6 Bc6 33.Qf3 Qh6 34.Rc2 Ba4 (35.Qf2 Qh3 36.Kc1 Rc2 37.Qc2 Qf1 38.Kb2 Be5 39.d4 Bd4 40.Qc3 Qe2 41.Kc1 Bc3 42.g5 Qd1#) 0–1. Diederich,Hauke – Hintz,Bastian (1710), Schleswig Holstein–chA U16, 2000.

6.Be2 d6 7.0–0 e5 8.Ne5 (better is 8.Nc3!?+=) 8...de5–/+ 9.Be5 c6 10.c4 Be6 11.d3 Nbd7 12.Bb2 Bd6 13.h3 f4 14.Nd2? (better is 14.c5 Bc7 15.Bd4–+) 14...fe3 15.fe3 Qe3 16.Kh1 Qg3 17.Nf3 Bh3! 18.gh3 (18.Rg1 Nh5 19.Ne5–+) 18...Qh3 19.Kg1 Qg3 20.Kh1 Ng4 (21.Qc1 Qh3 22.Kg1 Bh2 23.Kh1 Bf4 24.Kg1 Ne3–+) 0–1. Lowry,Paul – Sternik,Ryszard, email b4–01–05, 2001.

6.Be2 Be7 7.0–0 d6 8.Bc4 Nc6 9.Bb3 Bd7 10.Nc3 g5 11.Ne2 Rg8 12.Nfd4+= d5 13.c4 Bd6 14.f4 gf4 15.ef4 Ng4 16.h3 Nf6 17.Rf3 Nd4 18.Bd4 dc4 19.Bc4 Nh5 20.Be5 Be5 21.fe5 Bc6 22.Rf2 0–0–0 23.Qb3 Rg6 24.b5 Be4 25.d3 Bg2!–+ 26.Be6 Kb8 27.Rg2 Qe3 28.Kh2 Rg2 29.Kg2 Qe2 (29...Qe2 30.Kg1 Nf4–+) 0–1. Margraf,A – Muller,P, corr SOK–91–69, 1991.

6.h3 d6 7.Bc4 Nc6 8.Nc3 Be7 9.d3 a6 10.Qe2 b5 11.Bb3 Bd7 12.0–0–0 d5 13.Kb1 Nd8 14.d4 a5 15.Na2?? a4–+ 16.Ne5 ab3 17.cb3 Bc8 18.Rc1 Ra7 19.Qb5 Kf8?? 20.g4?? Ne4?? 21.gf5?? Nd2 22.Kc2=+ Ne4?? 23.Qe2?? ef5–+ 24.Nc3 g6 25.Nd5–/+ Ba6 26.Qf3 Bd6 27.Nd7 Ke8 28.Nc5 Nf6?? 29.Nf6+– Kf7 30.d5 Bc5 31.bc5 Nb7 32.Ng4 Qg5 33.Bh8 Nc5 34.Bb2 Kg8 35.Nf6 Kf7 36.h4 Qh6 37.Qf4 Qf4 38.ef4 Bd3 39.Kc3 Be4 40.Rhd1 Kf6 41.Kd4 Nb3 42.Kc4 (42.Kc4 Ke7 43.Kb3 Rb7 44.Ka2+–) 1–0. bratek55 (1605) – izadora1 (1695), kurnik, 2011.

3.a3 Nf6

4.Nf3 Qe4 5.Nc3 Qc6 6.Ne5 1–0. Trkn – Marc, itsyourturn.com, 2000.

4.Nf3 Qe4 5.Nc3 Qg6 6.d3 Nc6 7.Nb5 Bd6 8.e3 a6 9.Nd6 cd6 10.c4 d5 11.b5 ab5 12.cb5 Ne7 13.Ne5 Qf5? 14.g4+– Qg5 15.h4 Qh6 16.g5 (16.g5 d6 17.gh6 de5 18.hg7+–) 1–0. mrk_t – kaifaan, Yahoo, 2005.

4.Nf3+= Qh5 5.e3 b6 (5...a5 6.b5+=) 6.Be2 Bb7 7.Ne5 (7.Nc3 Qg6 8.0–0 Nc6+=) 7...Qh6 8.0–0 Be7 9.f4 0–0 10.Bf3 Bf3 11.Qf3 (< 11.gf3 d6 12.Nd3 Qg6 13.Kh1 c6–/+) 11...d5 12.c4 Nbd7 (12...c5!? 13.Bc3 Ne4=) 13.Nd7+/– Nd7 14.cd5 ed5 15.Qd5 Rad8 16.Qb7 Qd6 (16...Bf6 17.d4+/–) 17.Rc1 (17.Qa7 c5+/–) 17...c5 (17...Bf6 18.Rc6 Rb8 19.Rd6 Rb7 20.Rd7 Bb2 21.Ra2+–) 18.Qa7 Ra8 (18...cb4 19.ab4 Qb4 20.Bd4+/–) 19.Qb7 Rfb8 (19...Rfc8 20.e4+/–) 20.Qf3 (20.bc5 bc5 (20...Rb7? 21.cd6 Bd6 22.Rc6+–) 21.Qf3 Ra6+/–) 20...Bf6+/– 21.Bf6 Nf6 22.bc5 bc5 23.Ra2 (23.Rc4 Qd3 24.Qf1 Qd6+–) 23...c4 24.Qf1 ½–½. Roeder,Frank (2305) – Roeder,Gerd (2255), Bayern–ch Wuerzburg, 1995.

3.b5 Qb4=+

4.Ba3 Qb5 5.Bf8 Kf8 6.e3 Qa5 7.c4 Nf6 8.Nf3 d6 9.g3 e5–/+ 10.Nc3 Na6 11.Bg2 Be6 12.Ng5 Bc4–+ 13.Bb7 Nb4 14.Qf3 Rb8 15.Nge4? Nc2 16.Kd1 Na1 17.Nf6 gf6 18.Qf6 Rg8 19.Be4 Rg7 20.h4 d5 21.Qe5 Re8 22.Qf6 de4 23.h5 Rb8 24.h6 Qa4! (24...Qa4 25.Ke1 Nc2 26.Kd1 Ne3 27.Ke1 Ng2) 0–1. Pal,Laszlo – Sternik,Ryszard, EM Arctic Circle Finlandia, 2005.

4.Ba3 Qb5 5.Bf8 Kf8 6.e3 Qa5 7.Nf3 Nf6 8.Nc3 d5 9.Be2 Nbd7 10.0–0 c6 11.Qc1 Ke7 12.a4 Re8 13.Qa3 Qc5 14.Qb2 Kf8–/+ 15.d4 Qd6 16.a5 Kg8 17.Na4 Qc7 18.Qb4 b5 19.ab6 ab6 20.Nb2 Bb7 21.c4 c5 22.Qb3 Ne4 23.Qc2 Ra1 24.Ra1 Ra8 25.Rb1 Ra5 26.cd5 ed5 27.Nd3 c4 28.Nfe5 Ra3 29.Nd7 Rc3 30.Qa4 cd3 31.Nc5? Bc6–+ 32.Qb4 de2 33.Ne4 Rc4 34.Qd6 Ba4 35.Qc7 Rc7 36.Ng3? Bd1 (36...Bd1 37.Ne2 Be2–+) 0–1. Weigel,Hans Juergen (1995) – Tochtrop,Matthias (2150), Open A, Hamburg GER, 2005.

4.Qc1 Qb5 5.e3 Qb6 6.c4 Nc6 7.c5 Bc5?? 8.Bg7+– Nh6 9.Bh8 Ng4 10.Nf3 Nf2 11.Kf2 Ne7 12.Bd4 d6 13.Bc5 dc5 14.Bd3 Ng6 15.Rf1 Bd7 16.Nc3 0–0–0 17.Na4! Qc6 18.Nc5 f5 19.Nd7 Qd7 20.Be2 e5 21.Rd1 f4 22.d4 Qg4 23.Ne5 Qh4 24.Kg1 Rg8 25.Nf3 Qg4 26.e4 Nh4 27.Nh4 Qe2 28.Qd2 Qe4 29.Nf3! Qf3 30.Rf1 Qh3 31.Rf4 h5 32.Raf1 b6 33.Rf8 Rf8 34.gh3 Rg8 35.Kh1 Kb7 36.Qf4 Rc8 37.Qf3 c6 38.Qh5 Ka6 39.a4 b5 40.ab5 cb5 41.Ra1 Kb6 42.Qg6 Rc6 43.Qc6! Kc6 44.Ra7 Kd5 45.Rd7 Kc4 46.Rd8 b4 47.d5 b3 48.d6 b2 49.Rb8 Kc3 50.d7 Kc2 51.d8Q b1N 52.Rb1! Kc3 53.Rc1 Kb2 54.Rc7 Kb3 55.Qb8 Ka3 56.Ra7 1–0. carocan (1830) – edbickert, kurnik, 2011.

4.Bc3 Qb5 5.e4 Qc6 6.Qf3 d5 7.d3 d4 8.Bd4 Qc2 9.Ne2 Nc6 10.Bc3 Bb4 11.d4 Nf6 12.g3? (12.a3 Bd6 13.e5+/–) 12...Ne4 13.Bb4 Nb4 14.Nec3 (14.Bh3 Nd3 15.Kf1 Nef2 16.Kg2 Nh1 17.Kh1–+) 14...Qc1 15.Qd1 (15.Ke2 Qb2 16.Ke1 Nc2 17.Kd1 Nc3 18.Qc3 Qc3 19.Nc3 Na1–+) 15…Qd1 (16.Nd1 Nc2 17.Ke2 Na1–+) 0–1. Lange,Wilfried – Sternik,Ryszard, corr F1JV, 1999.

3.e3 Qb4

4.Ba3 Qa5 5.Bf8 Kf8 6.Nf3 Nf6 7.Be2 d5 (7...Ke7 8.0–0 c6 9.d4 d5 10.Ne5 Nbd7) 8.c4 Nc6 9.cd5 Nd5 10.0–0 e5 11.Nc3 Nc3 12.dc3 Be6 (12...Qc3 13.Rc1 Qa5 14.Rc6 Be6 (14...bc6?? 15.Qd8) 15.Re6+–) 13.Ng5 Nd8 14.Qc2 h6 15.Ne6 Ne6 16.Rab1 b6 17.Rb5 Qa3 18.Re5 Qd6 19.Rf5 g6 20.Rd1 Qe7 21.Bf3 gf5 (21...Rd8 22.Rd8 Nd8 23.Rd5 Ne6+/–) 22.Ba8 f4 23.Re1 fe3 24.Re3 Kg7 25.Bd5 Rd8 26.Be6! fe6 27.Rg3 Kh8 28.h3 Rf8 29.Qe2 Rf6 30.Qe5 Kh7 31.Qe4 Rf5 32.Re3 Qf7 33.g4 Qg6 34.Qc6 Rf6 35.Qc7 Rf7 36.Qc4 Rf6 37.Kg2 Qf7 38.Kg3 Rg6 39.f4 Qe7 40.h4 Qg7 41.Qe4 1–0. Pleschke,Helmut – Plock,Joerg, email b4–01–06, 2002.

4.Qc1 Nf6 5.Bf6 gf6 6.Nf3 Nc6 7.Nc3 Bd6 8.Rb1 Qa5 9.Be2 Rg8 10.0–0 Ne5 11.Ne4 Ke7 12.Nd6 cd6 13.d4 Nf3 14.Bf3 h5 15.Bb7?? Bb7–+ 16.Rb7 Qd5 17.Rd7 Kd7 18.f3 Qa2 19.c4 Rab8 (19...Rab8 20.Rf2 Qb1–+; 19...Qg2) 0–1. elsh1403 – daniel95217 (1605), kurnik, 2011.

3.Nf3 Qb4

4.a3?? Qb2–+ 5.Nc3 Ba3 6.Rb1=+ Qb6 7.Rb6+/– ab6 8.Qa1 h6?? 9.Nb5+– Ra5 10.Nc7 Kd8?? 11.Qg7 Kc7 12.Qh8 Bd6 13.Qg8 Ra1# 0–1. conanthagod – gresty, internet, 2007.

4.Qc1 f5 5.a3 Qa5 6.Nc3 Nf6 7.d3 d5 8.Nd4 c5 9.Nb3 Qd8 10.g3 e5 11.Bg2 d4 12.Nb1 Nc6 13.0–0 Be7 14.Bc6 bc6 15.N1d2 f4 16.Nf3 Bh3 17.Ne5 Qd5 18.Nf3 Bf1 19.Kf1 fg3 20.hg3 0–0 21.Kg2 Ng4 22.Nbd2 Bg5 23.Qe1 Bd2 24.Qd2 Rae8 25.Re1 Ne5 26.c4 Nf3 27.ef3 Qf3 28.Kg1 h6 29.Rf1 Rf5 30.Qd1 Re2 31.Bc1 Rh5 (31...Rh5 32.Qe2 Rh1#) 0–1. Baer,Cy (1895) – Sevilla,Andres (2410), CiF, 2007.

2.Bb2 h5

3.a3 Rh6 4.Nf3 g5 5.e4 g4 6.Nd4 a5 7.ba5 Ra5 8.Bd3 Qe7 9.Bc3 Rg5 10.0–0 d6 11.f4 gf3 12.Nf3 Rg4 13.h3 Rg3 14.e5 f5 15.Kh1 Bd7 16.Re1 f4 17.Bd4 Bc6 18.Be4 d5 19.Bd3 Rg7 20.Qe2 Rh8 21.Ba7 Nd7 22.Bb5 Rh6 23.Bc6 bc6 24.Nc3 Rhg6 25.Rg1 Qf7 26.Qa6 Ne7 27.Bd4 Qg8 28.Qa8 Kf7 29.Nh4 Rg5 30.Rgf1 Ng6 31.Nf3 Rf5 32.Qc6 Ke7 33.Qc7 Ke8 34.Qc8 Ke7 35.Rab1 Nge5 36.Ne5 Re5 37.Rf4 Re1 38.Re1 Rg5 39.h4 e5 40.hg5 e4 41.Rb1 Qg5 42.Rb7 Qh4 43.Rh4 Kf7 44.Qd7 Kg6 45.Qf7 Kg5 46.Qh5 1–0. NewRival_1_8_28 (2000) – ChessterField_i5a_dc (2000), ECI_GB6 Extreme Mate, 2001.

3.c4 Be7 4.Bg7+/– Rh7 5.Bc3 Bf6 6.Qc2 Rg7 7.Nf3 b6 8.g3 Bb7 9.Bg2 Nc6 10.b5 Nb4?? 11.Qb2 Bc3 12.Qc3 Qf6 13.Qf6?? Nf6+= 14.Na3 a6 15.Kd1 ab5 16.Nb5 Ra2? 17.Ra2+/– Na2 18.Kc2 Nb4+= 19.Kc3 c5 20.Nd6+/– Ke7? 21.Nb7+– Ne4 22.Kb2 Nf2 23.Rf1 Ne4 24.d3 Nd6 25.Nd6 Kd6 26.Nd2 Rg8?? 27.Ne4 Ke7 28.Nf2 Ra8?? 29.Ra1 Ra1 30.Ka1 f5 31.Kb2 Kf6 32.Nh3 e5 33.Bf3 d6 34.Bh5 e4 35.de4 fe4 36.Nf4 Ke5 37.Bf7 Kd4 38.Nd5 Nd5 39.Bd5 Ke3 40.g4 Ke2 41.Be4 Ke3 42.Bf5 Kf4 43.h4 b5 44.cb5 d5 45.b6 c4 46.b7 d4 47.b8Q Ke3 48.Qe5 Kf2 49.Qd4 Kg3 50.Qe3 Kh4 51.g5 Kh5 52.g6 (52.g6 Kh4 53.Qg1 c3 54.Kc3 Kh5 55.g7 Kh6 56.Qg6; 52.Qf4 c3 53.Kc1 c2 54.Qg4) 1–0. orangutanb4 (2095) – dziadekaxel, kurnik, 2011.

3.e3 Bb4 4.Bg7+= Rh7 5.Bc3 Bc3 6.Nc3 a6 7.Nf3 b5 8.a4 Bb7 9.ab5+/– a5 10.Bc4 f6 11.0–0 c6 12.Qe2 h4 13.Qd3 Rg7 14.Nh4 cb5? 15.Bb5+– f5 16.Ra4 Bc6?? 17.Qd6 Na6?? 18.Bc6 Rc8 19.Qe6 (19...Kf8 20.Qd6 Qe7 21.Qe7 Ne7 22.Bd7+–) 1–0. Wall,Bill – Reilly,Ignatius, Internet, 1996.

3.e3 Qe7 4.a3 Nh6 5.Qh5+/– Rg8 6.Ne2 g6 7.Qf3 a5 8.Bf6+– Qd6 9.b5 c5 10.Nec3 g5 11.d4 g4 12.Qe4 cd4 13.ed4 Nf5 14.Nd2 Bg7? 15.Nc4 Qf8 16.Nd5 Bf6 17.Nf6 Kd8 18.Ng8 Qg7 19.Qe5 Qg8 20.Nb6 Ra7 21.Qb8 Qg7 22.Qc8 Ke7 23.0–0–0 d5 24.Qb8 Nd4 25.Qc7 Kf6 26.Rd4 Qh6 27.Rf4 Kg5 28.Qf7 Qg6 29.Rg4! Kg4 30.Qg6 Kf4 31.Qf6 Ke4 32.Bd3# 1–0. b4_player – opponent, 2008.

3.e3 g5?? 4.Bh8+– Bb4 5.Qh5 Qe7 6.Nf3 Qd6 7.Qh7 Nf6 8.Bf6 g4 9.Ng5 Qf8 10.Bg7 Qg7 11.Qg7 Bf8 12.Qf7 Kd8 13.Qf8# 1–0. eralos – quiet, gameknot.com, 2001.

3.e3 Rh7 4.a3 Nc6 5.b5 Na5 6.d4 b6 7.Qf3 d5 8.Nd2 g5 9.Bd3 f5 10.Qg3 g4 11.f3 Nf6 12.Qh4 Be7 13.Ne2?? gf3 14.Nf3= Ng8?? 15.Qg3+/– Nh6?? 16.0–0 (better is 16.Qg6 Rf7 17.Qh6+–). Trkn – Chris Crouch, itsyourturn.com, 2001.

3.e4 d6 4.Nf3+= Nc6 5.a3 Bd7 6.d4 Qe7 7.Nc3 0–0–0+= 8.Bb5 g5 9.Bc6 Bc6= 10.b5 Bd7 11.a4 f6 12.a5= g4 13.Ng1 d5 14.Ba3 Qf7 15.Bf8 Rf8 16.b6 cb6 17.ab6+/– a6 18.ed5 ed5+= 19.Nge2 Re8 20.0–0 f5 21.Nf4 Nf6 22.Re1 h4 23.Ra5 g3 24.fg3 hg3 25.h3 Re1 26.Qe1+– Re8 27.Qg3 Ne4 28.Ne4 (28.Ne4 fe4 29.Nd5+–) 1–0. THIRTYSECONDSTO MARS – pieeater, ChessWorld.net, 2010.

3.Nf3 Be7 4.Bg7+/– Rh7 5.Bb2 Bf6 6.c3 b6 7.d4 Bb7 8.Qc2 Nc6?? 9.Qh7+– Nge7 10.Qh5 Ng6 11.e3 Qe7 12.Bd3 0–0–0 13.Bg6 fg6 14.Qg6 Rh8 15.Nbd2 Qf8 16.Ne4 Bg7 17.Ng3 Ne7 18.Qc2 Bf3 19.gf3 Qf3 20.Qe2 Qf7 21.0–0–0 Nf5 22.Nf5 Qf5 23.h4 Bh6 24.f4 Rg8 25.Rdg1 Rg1 26.Rg1 Kb7 27.Qg2 c6 28.Qg6 Qg6 29.Rg6 Bf8 30.h5 c5 31.h6 cb4 32.h7 bc3 33.h8Q cb2 34.Kb2 Bd6 35.Qg7 b5 36.Qd7 (36.Qd7 Kb6 37.Qd6 Ka5 38.Re6 a6 39.Qa3) 1–0. orangutanb4 (2090) – dziadekaxel, kurnik, 2011.

3.a3 Nf6

4.d4 d6 5.Nc3 a5 6.b5 c6 7.e3 Be7 8.Qd2 0–0 9.0–0–0 Bd7 10.Nf3 cb5 11.Bb5 Bb5 12.Nb5 Nc6 13.g3 Rc8 14.Nc3 d5 15.h4 Bd6 16.Kb1 b6 17.Ka2 Qd7 18.Rhg1 Rfd8 19.Qe2 Re8 20.e4 de4 21.Ne4 Ne4 22.Qe4 Red8 23.Rge1 Ne7=+ 24.Ng5 g6 25.Rd3 Nf5 26.Rdd1 Be7 27.Qd3 Qd5 28.Kb1 Bg5 29.hg5 Nd6 30.Re5 Qg2 31.Re2 Nc4 32.f4 Qd5 33.Ree1 b5 34.Re4 Nb2 35.Kb2 Rc4 36.Re5 Qc6 37.Qe2 Qb6 38.d5 ed5 39.Re8 0–1. MacChess 5.0 – MacChess 5.0, 2000.

4.d4 d6 5.Nc3 a5 6.e3 ab4 7.ab4 Ra1 8.Qa1 Be7 9.Bb5 Bd7 10.Qa8 Bb5 11.Nb5 c6 12.Nc3 Qc7 13.b5 0–0 14.bc6 bc6 15.Nf3 Nbd7 16.Qa2 Qb7 17.Qc4?? Qb2–+ 18.0–0 c5 19.Na4 Qa3 20.Rb1 d5 21.Qb5 Rb8 22.dc5 Rb5 23.Rf1 Qa4 24.c6 Nf8 25.Nd4 Rc5 26.Rb1 Ng4 27.c4 Qa2 28.Nf3 Qb1 29.Ne1 Qe1# 0–1. MacChess 5.0 – MacChess 5.0, 2000.

2.Bb2 h6

3.a3 c6 4.d4 d6 5.e3 Nd7 6.Nf3 Qc7 7.Be2 b6 8.Nbd2 Bb7 9.c4 0–0–0 10.0–0 f5 11.c5! b5 12.cd6 Bd6 13.Rc1 g5 14.Bb5! Kb8 15.Qa4 a6?? 16.Bc6+– Bc6? 17.Rc6 Nb6 18.Rc7 Na4 19.Rc2 Nf6 20.Rfc1 Nb6 21.Nc4 Nc4 22.Rc4 e5?? 23.Ne5 Ne4 24.Nc6 Ka8 25.Nd8 Rd8 26.Rc8 Rc8 27.Rc8 Ka7 28.Rd8 Bc7 29.Rd7 Kb6 30.Rh7 f4 31.ef4 gf4 32.f3 Nd2 33.Kf2 Nc4 34.Bc3 Ne3 35.g3 Nf5 36.g4 Ne3 37.Bd2 Kb5 38.Be3 fe3 39.Ke3 Bb6 (39...Bb6 40.Rb7 Kc6 41.Rb6 Kb6+–) 1–0. Fournier,Frederic (2170) – GUSTAVOCR (1840), Active (1/0), 2005.

3.a3 f6 4.e4+/– d5 5.Qh5 Ke7 6.Nc3 d4 7.Nb5 c6? 8.Nd4+– e5 9.Nf5 Bf5 10.Qf5 Ke8 11.Qg6 Ke7 12.Nf3 Kd7 13.d4 Ne7 14.Qg4 Kc7 15.de5 Nd7 16.0–0–0 Qe8 17.ef6 gf6 18.Qg3 Kc8 19.Bc4 b5 20.Be6 Kb7 21.Rd7 Ka6 22.Qc7 Nc8 23.Qb7# 1–0. pierred – sgrant, internet, 2010.

3.a3 Nf6 4.Nf3 d6 5.d3 g5 6.h3 Bg7 7.e4 e5 8.Be2 0–0 9.Nbd2 Nc6 10.Nb3 a6= 11.Qd2 Be6 12.0–0–0 Bb3 13.cb3= b5 14.Qc2+= Ne7 15.d4 Qc8 16.de5+– de5 17.Ne5 Qb7 18.Bd3 Rad8 19.g3 Qb6 20.Qc5 Qc5 21.bc5 c6 22.Bc2 Rc8 23.Nd7 Nd7 24.Rd7 Bb2 25.Kb2 Ng6 26.Rd6 Kg7 27.Rf1 Ne5 28.f4 gf4 29.gf4 Ng6 30.Rg1 Rc7 31.f5 Kh8 32.fg6 fg6 33.Rgg6 h5 34.e5 Rg8 35.Rh6 Rh7 36.Rh7# 1–0. patrikstorm (2500) – sgrant (2045), net–chess.com, 2010.

3.b5 d5 4.e3 Nf6 5.f4 a6 6.Nf3 c5 7.a4 Bd6 8.Be2 0–0 9.0–0 Nbd7 10.c4 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.cd5 Nbd5 14.Nc3 Qc7 15.Qa4 b6 16.Ne4 Ne4=+ 17.Qe4 Bb7 18.Qb1 f6 19.Bc4 Kh8 20.Nh4 Re8 21.Ng6 Kg8= 22.f5 e5?? 23.Qb3+– e4 24.Bd5 Bd5 25.Qd5 Kh7 26.Nf4 Be5 27.Be5 Re5 28.Qc6 Qa7 29.Ne6 1–0. higarra (2370) – croach (2260), net–chess.com, 2010.

3.e3 b6 4.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 h6).

3.Nf3 a6 4.a3 b6 5.e4+= Bb7 6.Nc3 Ne7 7.d4 Ng6 8.Bd3 Nh4 9.0–0 Nf3 10.Qf3 Qf6 11.Qg3 d6 12.e5 de5 13.de5+/– Qe7 14.Rad1 Nd7 15.f4 g6 16.Be4 Be4 17.Ne4 Bg7 18.Rd2 0–0 19.Rfd1 Rad8 20.c4 c5 21.Rd6 cb4+/– 22.Qd3 ba3 23.Ba3 Nc5 24.Bc5 bc5 25.Rd8 1–0. Wall,Bill – Gandalf, internet, 2006.

3.Nf3 b6 4.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 h6).

3.Nf3 d6 (--> 2.Bb2 d6 3.Nf3 h6).

3.Nf3 Ne7 4.e3 Ng6 5.Be2 Nh4 6.Nh4 Qh4 7.d3 a6 8.Nd2 Bb4 9.Bg7 Rg8 10.Bb2?? Rg2–/+ 11.Rf1 Qh2 12.c3 Rg1?? 13.Nf3 Rf1+/– 14.Bf1 Qd6 15.cb4 Qb4 16.Qd2 Qd6 17.e4 Nc6 18.Qh6 Nb4?? 19.Qh8 Ke7?? 20.Bf6 1–0. Fournier,Frederic (2020) – exposur (1795), Active (5/0), 2004.

3.g3 a6 4.Bg2 Nf6 5.a3 Be7 6.Nf3 d5 7.d3 Bd7 8.Ne5 0–0 9.Nd2 b5 10.c4 c6 11.0–0 Bd6 12.Nd7 Nbd7= 13.cd5 Nd5 14.Rc1 Qc7 15.Qc2 c5 16.Ne4 cb4= 17.Qc7 Nc7?? 18.Nd6+– Nd5 19.ab4 N7b6 20.Bd5 Nd5 21.Ne4 Nb4 22.Ba3 a5 23.Rc5 Rfb8 24.Nd6 Nd5 25.Nb5 a4 26.e4 Nf6 27.f3 Ra5 28.Rb1 Kh7? 29.Kg2 Ra6 30.Rcc1 Rab6 31.Bd6 R8b7 32.Bc7?? Rc7?? 33.Nc7 Rb1 34.Rb1 1–0. coloplayah (1930) – esko (1830), net–chess.com, 2006.

3.e4 Bb4??

4.Bg7 Rh7 5.Bb2 Nc6 6.Qh5 Nf6= 7.Qf3 e5. smurfchess (2135) – malvesp (2720), net–chess.com, 2010.

4.Bg7+= Rh7 5.Bc3 Bc3 6.Nc3 d6 +=.

4.Bg7+= Rh7 5.Qg4 Nf6= 6.Bf6 Qf6 7.Qg8 Bf8 8.Nc3 Rg7 9.Qh8 Nc6 10.Nf3 Ne7 11.e5 Qf5 12.Bd3 Qf4 13.Ne4 Ng6= 14.Nf6 Ke7 15.Bg6 fg6 16.0–0 Rf7 17.d4 b5 18.d5 d6 19.de6 Be6+= 20.Nh7 Bg7?? 21.Qa8+– Be5 22.Ne5 de5 23.Qa7 Rh7 24.Qc7 Bd7 25.Rad1 Qg4 26.Qe5 Qe6 27.Rd7! Kd7 28.Rd1 Ke7 29.Qc7 Ke8 30.Qh7 Qc8 31.Qh8 (31...Ke7 32.Qc8 g5 33.Qf5 Ke8 34.Rd7 b4 35.Qf7#; 31.Re1 Qe6 32.Re6 Kd8 33.Rg6 b4 34.Rg8#) 1–0. Jung,Hans Rudolf – Sawchuk,A, London, Canada, 1993.

3.e4 d5

4.ed5 ed5 5.a3 Nf6 6.Nf3 Be7 7.Be2 Bf5 8.0–0 Nbd7 9.Nc3 c6 10.Re1 0–0 11.d3 Re8 12.Bf1 Bd6 13.Qd2 Qc7 14.Re2 (better is 14.Be2!?+=) 14...Bg4–/+ 15.h3 Bf3 16.gf3 Bf4 17.Qd1 Nh5 18.Rb1 Ne5 19.Bg2 Qd8 20.d4 Ng6 21.Re8 Qe8 22.Qe1 Qd7 0–1. malvesp (2720) – workchess (2265), net–chess.com, 2011.

4.ed5 ed5 5.Nf3 Nf6 6.Qe2 Be6 7.Nd4 Qd7 8.b5 Bc5 9.Ne6 Qe6 10.d4 Qe2 11.Be2 Bd6 12.c4 c6 13.0–0 0–0 14.Nc3 Nbd7 15.Rab1 dc4 16.Bc4 cb5 17.Nb5+= Bb8 18.Ba3 Re8 19.Rfe1 a6 20.Re8 Ne8 21.Nc3 b5 22.Bd5 Ra7 23.Ne4 Nef6 24.Nf6 Nf6 25.Bc6 Bf4 26.g3 Bc7? 27.d5. smurfchess (2135) – agostinhoarruda (2510), net–chess.com, 2010.

3.Nf3 Bb4??

4.Bg7+= Rh7 5.Bb2 Bc5 6.d4 Bd6 7.e4 Bb4 8.Bc3 Bd6 9.Bd3+/– Nc6? 10.e5+– Be7 11.Bh7 Kf8 12.0–0 h5 13.Nfd2 Nh6 14.Qh5 f5 15.Qh6 Kf7 16.Qg6 Kf8 17.Qg8# 1–0. Fritz 10 – NN, 2007.

4.Bg7+= Rh7 5.Bb2 Be7 6.e4 Bf6 7.e5 Be7 8.Bc4 d6 9.Bd3+/– de5?? 10.Bh7+– Nf6 11.Ne5 Nh7 12.Qh5 Ng5 13.h4 Qd6 14.hg5 Qb6 15.Qf7 Kd8 16.Qg8 Bf8 17.Qf8# 1–0. pierred – fatalla, chesspark.com, 2008.

3.Nf3 Nf6

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 d5 8.e3 Nbd7 9.Be2 Bd6 10.0–0 e5 11.c4 (11.d4 e4 12.Nfd2 Nb6=) 11...dc4+= 12.Bc4 e4 13.Nd4 0–0 14.Nc3 Bh2?? (better is 14...Re8+=) 15.Kh2+– Ne5 16.f3 (16.Be2 Nfg4 17.Bg4 Ng4 18.Kg3 Qd6 19.f4 Qg6–/+) 16...ef3 (16...Nc4 17.Ne4 Ne4 18.fe4 Qh4 19.Kg1 Qe4 20.Qc1–/+) 17.Nf3 (17.Ba2 Nfg4 18.Kg3–/+) 17...Nc4–/+ 18.Qe2 Be6 19.Nd4 Ng4 20.Kg1 Qd6 21.Nf3 Ra8 22.Ne4 Qd5 23.Nc3 Qh5 24.Ne4 Qb5 25.Nd4?? Qe5 26.g3 Qe4 white resigned (26...Qe4 27.Ne6 Qe6–+) 0–1. vhilts (2500) – eujogoxadrez, net–chess.com, 2012.

4.g3 b6 5.a3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 e6 4.g3 Nf6 5.a3 h6).

2.Bb2 Nh6

3.a3 b5 4.Nf3 Nc6 5.g3 f6 6.Nc3 a6 7.Bg2 d5 8.0–0+= Bd6 9.d4 g5? 10.Re1 g4 11.Nh4+/– f5 12.f3?? Qf6?? 13.f4 Ne7= 14.Bf1 Nc6 15.e3= Be7 16.Ng2 Nf7 17.Ne2 Qg7 18.c3 h5 19.Qd2 h4=+ 20.Nh4 Bh4 21.gh4= Rh4 22.Ng3 Nh6 23.Re2 Bb7 24.Rf2 0–0–0 25.Re1 Ng8 26.Be2 Nf6 27.Bd1 Rdh8=+ 28.Ree2 Ne7–/+ 29.a4 Ne4 30.Ne4 fe4 31.Rg2 Nf5 32.Ref2?? g3 33.Re2 Rh2 34.Rh2 gh2 (34...gh2 35.Kh1 Qg1#) 0–1. ANZARBOND – RaymundG, internet, 2010.

3.a3 d5 4.e3 Bd6 5.Bg7+= Rg8 6.Bb2 Qg5 7.Nf3 Qh5 8.Be2 Rg2= 9.d3 Nc6 10.Nbd2 Ne5?? 11.Ne5+– Qf5 12.Rf1 Be5= 13.Be5 Qe5 14.d4 Qh2 15.Nf3 Qh5 16.Ne5 Qg5 17.Qd3 Nf5 18.Rc1 Ne3?? 19.Qe3 Qe3 20.fe3 f6?! 21.Nd3 e5 22.de5 fe5 23.Ne5 Bh3 24.Rf7 Rg1 25.Kd2 Rc1 26.Kc1 0–0–0 27.Rh7 Re8 28.Rh3 Re5 29.Kd2 b6 30.Rh7 Kd8 31.b5 Kc8 32.Bg4 Kb7 33.Rh8 a6 34.Bc8 Ka7 35.Ba6 c6 36.Rh7 Kb8 37.bc6 Re8 38.Rb7 Ka8+– 39.c7 Rc8 40.Ra7! Ka7 41.Bc8 b5 42.Be6 b4 43.c8Q ba3 44.Bd5 a2 45.Qb7# 1–0. scotsrip – JasonTB, ChessWorld.net, 2009.

3.a3 Ng4 4.e4 Qg5 5.Nf3 Qf4 6.Nc3 a5 7.b5 Bc5 8.d4 Bd4?? (better is 8...Bf8+/–) 9.Qd4+– f6 10.Be2 e5 (10...Ne5 11.Ne5 Qe5 12.Qe3+–) 11.Qd5 (better is 11.Qc4 c6 12.Bc1 Nf2 13.Bf4 Nh1+–) 11...a4 12.Bc4 Rf8 13.b6! c6 14.Qd6 Nh6 15.Ne2 Qe4 16.Ba2 Na6 17.0–0 Nf5 18.Qd2 Nc5 19.Ng3 Ng3 20.hg3 d6 21.Qd6 Ra5 22.Bc3 Ra6 23.Bb4 Qd5 24.Bd5 cd5 25.Bc5 Rf7 26.Ne5! Re7 27.Qe7 1–0. nimzo1 – karlsdad, ChessWorld.net, 2013.

3.b5 b6 4.a4 Bb7 5.Nf3 Bf3 6.ef3 a6 7.c4 Nf5 8.d4 g6 9.Bd3= Bg7 10.Bf5 ef5 11.0–0 0–0 12.Nc3 d6 13.Ne2 Nd7 14.Re1 ab5 15.ab5 Ra1 16.Qa1 Bf6 17.Nf4+/– Re8 18.Nd5 Re1 19.Qe1 Bg7 20.Qe7+– Qe7 21.Ne7 Kf8 22.Nc6 h5 23.f4 Nf6= 24.f3 Nh7 25.Kf2+= f6 26.d5+/– Bh6 27.g3 g5 28.fg5+– Bg5 29.f4 Bh6 30.Kf3 Ke8 31.Nd4 Kd7 32.Nf5 Bf8 33.Nd4 Bg7 34.Nf5 Bf8 35.h3 Be7 36.Ne7 Ke7 37.g4 hg4 38.hg4 Kf7 39.Ke4 Nf8 40.Kf5 Nd7 41.Bd4 Ke7 42.g5 fg5 43.fg5 Nf8 44.g6 Ng6 45.Kg6 Kd7 46.Kf7 Kd8 47.Ke6 Kc8 48.Ke7 Kb7 49.Kd7 Kb8 50.Bb6! cb6 51.Kd6 Kb7 52.Kd7 (52.Kd7 Kb8 53.d6 Kb7 54.Ke7 Kc8 55.d7 Kc7 56.d8Q Kb7 57.Kd6 Ka7 58.Qe7 Ka8 59.Kc6 Kb8 60.Qb7#; 52.Ke7 Kb8 53.d6 Kb7 54.d7 Kb8 55.d8Q Kb7 56.Kd6 Ka7 57.Qd7 Ka8 58.Kc6 Kb8 59.Qb7#) 1–0. Tragosso (1865) – ccb1946 (1680), ChessWorld.net, 2010.

3.b5 d5 4.e3 Nf5 5.Nf3 Be7 6.c4 0–0 7.d3 dc4 8.dc4 Bd7 9.Nbd2 a6 10.Bd3 ab5 11.cb5 Ra5 12.a4 Bf6 13.Bf6 Qf6 14.0–0 b6 15.Qc2 Ra7 16.Nc4?? Bb5=+ 17.Nce5 Bd3 18.Qd3 Rd8 19.Qb5 Ra5 20.Ng4 Qe7 21.Qb2 Nc6 0–1. Fournier,Frederic – COMP GazeboChess, France, 2000.

3.e3 Bb4?? 4.Bg7 Rg8 5.Bh6 Qh4 6.Bf4 Rg4 (6...Qf6 7.c3 e5 8.Bg3+– (worse is 8.cb4 ef4 9.d4 fe3 10.fe3 Qh4 11.Ke2 d5+–)) 7.Nf3 Qh5 (7...Qd8 8.a3 Bf8 9.d4+–) 8.Be2 (better is 8.Ne5 f5 9.Ng4 fg4 10.Bc7 d5+–) 8...Rg2 9.Ng5 (9.Bg3!? Qh6 10.Nh4 Qg7+–) 9...Qg6 10.Bd3 Qh6 (10...f5 11.Nf3 Qf6 12.c3+–) 11.Nh7 Qh4 (11...Qg7 12.c3 Rg1 13.Rg1 Qg1 14.Bf1+–) 12.Qf3 Qg4 (12...Rg7 13.Bg3 Qh6 14.Nf6 Kf8 15.Bc7 Nc6+–) 13.Nf6 Ke7 14.Ng4 f5 15.Bg5 Ke8 16.Nf6 Kf8 17.Qg2 Nc6 18.Bf4 e5 (18...Nd4 19.Bh6 Ke7 20.Ng8 Kd8 21.Qg5 Ke8 22.Qg6 Kd8 23.Bg5 Be7 24.Be7) 19.Bh6 (19.Qg8 Ke7 20.Bg5 Bd2 21.Nd2 d5 22.Ne8 Kd7 23.Bf5) 19...Kf7 (19...Ke7 20.Qg6 Bd2 21.Nd2 d5 22.Nd5 Kd8 23.Qf6 Ke8 24.Qf8 Kd7 25.Bf5) 20.Qg7 (20.Qg8 Ke7 21.Qf8 Ke6 22.Bc4 d5 23.Bd5) 20...Ke6 21.Bc4 (21.Qg8 Ke7 22.Qf8 Ke6 23.Bc4 d5 24.Bd5) 21...d5 22.Bd5 (22.Qg8 Kd6 23.Bf8 Ne7 24.Qd5) 22...Kd6+– 23.Qf8 Ne7 24.Qd8 Bd7 25.Qd7 Kc5 26.Qe7 Kb5 27.Qc7 Rh8 (27...Bd6 28.Nc3 Ka6 29.Bb7) 28.a4 Ka6 29.Bc4 (29.Bb7) 29...b5 30.Bb5 (30.ab5) 1–0. Willi_weizenkeim – Jotac, playchess.de, 2005.

3.e3 Nc6 4.b5 Nb4? 5.c4+– Bd6 6.a3 (6...0–0 7.d4+–) 1–0. Wall,Bill – Mahesh B, Internet, 2002.

3.e3 f6 4.a3 Bd6 5.Qh5 Kf8 6.f4 Nc6 7.Nf3 e5 8.fe5+– fe5 9.b5 Na5 10.Ne5 Qe7?! 11.Nc4 Nc4 12.Bc4 c6 13.0–0 Nf7 14.Bf7 cb5 15.Bd5 (15.Bd5 Qf6 16.Bf6 g6 17.Bg5 Bf4 18.Rf4 Ke8 19.Bf7 Kf8 20.Qh6#; 15.Bb3 Qf6 16.Bf6 Bh2 17.Kh2 d5 18.Bg5 Bf5 19.Rf5 Kg8 20.Bd5#) 1–0. pierre (2145) – alarconconsult, internet, 2007.

3.e3 Qf6 4.Bf6 gf6 5.c3 Bg7 6.Nf3 Rg8 7.Bd3 f5 8.h3 Nc6 9.b5 Ne5 10.Ne5 Be5 11.f4 Bg7 12.a4 b6 13.Qf3 Rb8 14.g4 fg4 15.hg4 Bb7 16.Be4 Be4 17.Qe4 1–0. hal1958 – themask, playchess.de, 2002.

3.e4 b6 4.d4 Bb7 5.Nd2 Bb4 6.d5? 0–0–+ 7.c4 e5! 8.Be5? Qe7–+ 9.Ngf3 d6 10.Bf4 Qe4–+ 11.Be3 Nd7 12.Be2 Ne5 13.0–0–/+ Qf5 14.Ne5 Qe5 15.Bh6 gh6–/+ 16.Nf3 Qh5 17.Qb1? Bc3–+ 18.Bd3 Ba1 19.Qa1 f6 20.Kh1 Rf7 21.Rg1 f5 22.Nd4 Qg6 23.Qb1 Qg4 24.Nf5 Bc8?? 25.Nh6+– (25.Nh6 Kh8 26.Ng4 Bg4 27.Qb2 Kg8 28.Re1+–) 1–0. labru – assad_ia, internet, 2009.

3.e4 Nc6 4.b5+= Na5 5.Nf3 d6 6.Bd3+/– e5 7.Nc3 Be6 8.0–0 Be7 9.Nd5 Bd5 10.ed5 Bg5 11.Qe2 0–0 12.g3 Qc8?? 13.Ng5+– Qh3 14.Nh3 1–0. Anonymous – Anonymous, internet, 2011.

3.e4 d6 4.h4 e5 5.f4 Nc6 6.f5 Nb4 7.Ba3 Nc6 8.g4 Be7 9.g5 Bg5 (better is 9...Ng8–/+) 10.hg5+= Qg5 11.Rh3?? (better is 11.Nh3 Qg3 12.Nf2+=) 11...Qg1–+ 12.Nc3 g6 (better is 12...Ng4 13.Rf3 Nd4–+) 13.Rh6 (13.Nd5 Kd8 14.Qf3–+) 13...Qg3 14.Ke2 Nd4 0–1. karlsdad – nimzo1, ChessWorld.net, 2013.

3.e4 Rg8 4.b5 Qh4 5.Nc3 Bc5 6.g3 Qg5 7.Nf3+= Qg4 8.h3 Qg6 9.d4 Bb4 10.Bd3 Qh5 11.Kf1 a6+= 12.Ne2?? Qf3–+ 13.Qc1 Qh1 (13...Qh1 14.Ng1 ab5–+) 0–1. pumpkin (2300) – carosse, net–chess.com, 2005.

3.e4 Qh4 4.Nc3 Bb4 5.Nf3 Qf6?? 6.e5?? Qf4=+ 7.Be2 Nc6 8.0–0 Ng4 9.h3 Nce5?? 10.hg4+/– Ng4 11.g3 Qh6+= 12.Kg2 b6? 13.Rh1+– Qf6 14.a3 Bc5+/– 15.Na4 Bd6?? 16.Bf6+– gf6 17.c4 Bb7 18.d4 f5 19.Rh4 c5 20.d5 h6 21.Nh2 Nf6 22.Nc3 Be5 23.Rc1 a5 24.Kg1 h5 25.Nf3 Rg8 26.Ne5 Ba6 27.de6 fe6 28.Bh5 Ke7 29.Bg6 b5 30.Qd6! Kd6 31.f4?? bc4+= 32.Na4 Kd5?? 33.Rd1 (33.Rd1 Ke4 34.Nc3 Ke3 35.Rh2 Rg6 36.Re2) 1–0. gtate (1720) – boboseto, net–chess.com, 2002.

3.Nf3 Bb4?? 4.Bg7+– Rg8 (4...Bf8 5.Bh8 f6 6.Nc3+–) 5.Bh6 Qf6 6.c3 Qh6 (6...Be7 7.Be3+–) 7.cb4 Nc6 8.a3 (8.b5 Ne7+–) 8...d5 (8...b6 9.Nc3+–) 9.Nc3 Bd7 10.e3 0–0–0 (10...a6 11.g3+–) 11.b5 Ne7 12.Qb3 (12.a4 Nf5+–) 12...f5 (12...Nf5 13.Rc1+–) 13.Ne5 Qf6 14.Nd7 Rd7 15.d4 (better is 15.Qa4!? d4 16.Qa7 Kd8 17.Qa8 Nc8 18.ed4 Qd4+–) 15...f4 16.Qa4 fe3 17.fe3 e5 (17...Nf5 18.b6 a6 19.Ba6 Rg2+–) 18.Qa7 Rd6 (18...Kd8 19.0–0–0 ed4 20.Rd4+–) 19.Na4 Qh4 (19...Kd7 20.Nc5 Ke8 21.Nb7 Rb6+–) 20.g3 Qe4 21.Qa8 (21.Qa8 Kd7 22.Nc5) 1–0. diderot (1720) – papsajt78 (1960), gameknot.com, 2015.

3.Nf3 Nf5 4.a3 Nc6 5.e3 Be7 6.e4 Nd6 7.d3 0–0 8.Be2 a5 9.c3 ab4 10.cb4 Ne8 11.Nbd2 d6 12.0–0 e5 13.Nb3 Bd7 14.d4 Nb8? 15.de5+/– de5 16.Ne5 Nf6 17.Nd7 Qd7 18.f3 c6 19.Qd7 Nfd7 20.Rfd1 Bf6 21.Bf6 Nf6 22.Nc5 b6 23.Nb3 Nbd7 24.Nd4 c5 25.bc5 bc5 26.Nf5 Nb6 27.Rdc1 Na4 28.Bc4 Nb2 29.Bb5 c4 30.Bc4 Na4 31.Bb5 Nb6 32.a4 Nfd7 1–0. Fournier,Frederic – quibor1, Active (5/0), 2005.

3.h3 Nc6 4.a3 d5 5.d3 a6 6.e4 de4 7.de4 Qd1 8.Kd1 Be7?? 9.Bg7+– Rg8 10.Bh6 e5 11.Nc3 Be6 12.Nd5 Bd5 13.ed5 Nd4 14.Bc4 Rg2 15.Nf3?? Nf3= 16.Be2 Rf2 17.Bf3?? Rf3–/+ 18.Rb1? Ra3–+ 19.Bg7 (19.Bg7 f6 20.Ke2–+). xzara – vulpo, ChessWorld.net, 2005.

3.Nf3 f6

4.a3 Be7 5.e4 a5 6.b5 c6 7.a4 d5 8.ed5 ed5 9.Be2 Bf5 10.d3 Qd7 11.0–0 cb5 12.ab5 Qb5 13.Ba3 Ba3 14.Ra3 0–0 15.Nd4 Qb4 16.c3 Qc5 17.Nf5 Nf5 18.d4 Qc6 19.Bg4 Nh4 20.g3 Ng6 21.Qb3 a4 22.Qa2 Re8 23.Bf3 Ne7 24.Nd2 Nd7 25.c4 Nb6 26.cd5 Ned5 27.Re3 Kh8 28.Re8 Re8 29.Rb1 Qd7 30.Qc2 Rc8 31.Qe4? Nc3–+ 32.Qd3 Nb1 33.Qb1 Qd4 34.Ne4 a3 35.Bg4 Qb2 36.Qb2 ab2 37.Nd2 Rc1 38.Kg2 b1Q 39.Nb1 Rb1 40.Bf3 Nc4 41.Bd5 Ne5 42.f4 Nd7 43.h4 b5 44.Be4 Nc5 45.Bb1–/+ b4 46.Kf3 b3 47.Ke3 Na4 48.Kd2 b2 49.Kc2 Kg8 50.Kb3 Nc5 51.Kb2 Kf7 52.Kc3 Ne6 53.Kd3 Ke7 54.Ke4 Nc5 55.Ke3 g6 56.g4 Kd6 57.Bc2 Ne6 58.h5 g5 59.f5 h6?? 60.fe6+– Ke6 61.Ke4 Kd6 62.Kf5 Ke7 63.Kg6 Ke6 64.Kh6 Ke5 65.Kg6 Kf4 66.Kf6 Kg4 67.h6 Kg3 68.h7 g4+– 69.h8Q Kg2 70.Qg8 g3 (70...g3 71.Qd5 Kf2 72.Qd2 Kf1 73.Be4 g2 74.Bf3 g1Q 75.Qe2; 70...Kf2 71.Qg4 Ke1 72.Qd1 Kf2 73.Qd2 Kg3 74.Qe2 Kf4 75.Qf2 Kg4 76.Bf5 Kh5 77.Qh2) 0–1. bratek55 (1720) – milosobilic (1690), kurnik, 2011.

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.c4 (8.e4 d5 9.e5 Be7 10.Be2+=). Piriyev,Maksat – Yilmaz,Aydin, chessmoon.com, 2011.

4.b5 d5 5.d4 Bd7 6.e3 a6 7.ba6 Na6 8.c4 Nf5 9.Nc3 Bb4 10.cd5 =.

2.b5 a6

3.ba6 b6 4.a7 Ra7 5.d4 Nc6 6.e4 Nf6 (6...Qh4 7.Bd3 Nd4 8.c3–/+) 7.e5+= Nd5 8.c3 Bb7 9.Bd3 Qa8 10.Qe2? (better is 10.a3=) 10...Be7 ½–½. Petenev,Konstantin (2220) – Dzhumagaliev,Yan (2230), Novosibirsk–ch, 2008.

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

3.e3 b6 4.c4 c6 5.Nc3 cb5 6.cb5 ab5 7.Bb5 Ba6 8.a4 Qc7 (8...Bb5 9.Nb5 Nf6 10.Bb2=) 9.Nf3 Nc6 10.0–0 Nf6 11.Qe2 Bb5 12.Qb5 (12.Nb5 Qd8+=) 12...Bd6 13.Bb2 Ne5 14.Qe2 Nf3 15.Qf3 0–0 (15...Qc6 16.Qe2+=) 16.g3 (better is 16.Nb5!? Qb8 17.Nd6 Qd6 18.Ba3 Qd2 19.Bf8 Rf8 20.Rfd1+/–) 16...Qc6= 17.Qc6 dc6 18.Ne2 c5 (18...Ne4 19.d3 Nd2 20.Rfd1+=) 19.Bf6= gf6 20.Rfb1 Bc7 (20...Be5 21.d4 cd4 22.ed4+=) 21.Nc3 Be5? (21...Rfd8 22.Rb2=) 22.Ra2 (better is 22.Rb6!? Rfd8 23.f4 Bc3 24.dc3+/–) 22...Bc3 23.dc3 Rfb8 24.c4 (24.e4 Ra5+=) 24...Ra7 (24...Ra7 25.h3 Ra5+=). whhodson – youloose, Live Game Caissa's Web, 2004.

3.e3 c6 4.Bb2 (4.bc6 dc6 5.d4 Nf6=) 4...cb5 (4...ab5 5.Bd3+=) 5.Be5 (5.Nf3 Nf6+=) 5...d6 (5...Nc6 6.Bb2–/+) 6.Bf4 (6.Bb2 Nf6–/+) 6...h6 (6...e5 7.Bg3–/+) 7.Bg3 (7.Nf3 Nf6–/+) 7...Nf6–/+ 8.Bd3 (8.Nf3 Ne4–/+) 8...Be7 9.e4 (9.Nc3 b4 10.Ne4 Nc6–/+) 9...Nbd7 10.e5 (10.Qf3!?–/+) 10...de5 (10...Ne5 11.Be5 de5 12.Qe2–+) 11.Qe2 Qc7 (11...b6 12.Nc3–+) 12.Nf3 (12.Nc3 b6–+) 12...Bd6 (12...Nh5 13.c3–+) 13.Bh4 (13.0–0 Nh5–+) 13...b6 14.Bf6 (14.Nc3 Nd5 15.Ne4 Nf4 16.Nd6 Qd6–+) 14...Nf6 15.Nc3 Bb7 16.Nh4? (16.Ne4 Ne4 17.Be4 Be4 18.Qe4 Rc8–+) 16...0–0 (better is 16...Qc6 17.Nb5 e4 (17...ab5? 18.Bb5 Ra4 19.Bc6 Bc6 20.Qd3+/–) 18.Nd6 Qd6–+) 17.Bg6 (17.Ne4 Be7 18.Nf3–+) 17...fg6 18.Ng6 Rf7 19.f3 (19.a3 Bg2 20.Rg1 Bd5–+) 19...Qc4 (better is 19...b4!? 20.Na4–+) 20.Qf2 (20.Qc4 bc4 21.Rb1 b5–+) 20...Bc5 (20...e4!? 21.f4 e3 22.Qe3 Bg2 23.Rg1–+) 21.Qg3 Qd4 22.Ne5 (22.Rc1–+) 22...Bd6 (22...Nh5 23.Qg4 Qe5 24.Kf1–+) 23.Qg6 (23.Rd1 Be5 24.Qf2 Qf2 25.Kf2 Rc8–+) 23...Be5 (better is 23...Qe5 24.Kd1 b4 25.Re1–+) 24.Kd1 (24.Rd1 Qh4 25.g3 Qc4–+) 24...b4 (better is 24...Rd7 25.Qd3 Qf4 26.Ne2–+) 25.f4 Bd6 (better is 25...bc3 26.Qd3 Qf4 27.Rf1 Qh2 28.Qh3 Qh3 29.gh3 cd2 30.Rb1–+) 26.Ne2 Qa1 27.Nc1 Bg2 (27...Bf4 28.Rf1 Bd2 29.Kd2 Rd8 30.Nd3 Ne4 31.Qe4 Rf1 32.Qe6 Kf8 33.Qd5 Bd5 34.h4 Re8 35.Nb2 Qe1 36.Kd3 Qc3) 28.Qg2 Bf4 (better is 28...Rd8 29.Ke2–+) 29.Qa8 (29.Qa8 Rf8 30.Qf3–+). manofsteel2 – Histate, Live Game Caissa's Web, 2005.

3.e3 Qf6 4.Nc3 ab5 5.Nb5 Qa1 (5...Na6 6.Nc3 d5=) 6.Nc7–/+ Kd8 7.Na8 Qa2 (better is 7...b5–/+) 8.Nb6+= Nf6 (8...d5 9.Nc8 Kc8 10.Nf3+=) 9.Nc8 (9.Nf3 Qa5 10.Nc8 Kc8+/–) 9...Kc8 10.Nf3 d5 (10...Kd8 11.Bb5+=) 11.Be2 (better is 11.Ng5!?+–) 11...Bd6+= 12.0–0 Nc6 13.d3 Kb8 (13...Kd8 14.Bd2+=) 14.Bd2 Rc8 15.Qb1 (better is 15.Bc3!?+/–) 15...Qb1= 16.Rb1 h6 ½–½. Boese,Artur (1910) – Kulik,Roman (1940), Druzynowe Mistrzostwa Polski Niewidomych Poland (blind t–ch), 2008.

3.e4= c6 4.bc6 Nc6 5.a3 (5.Nf3 Nf6 6.e5 Ne4=) 5...Nf6+= 6.Nc3 d6 (6...d5 7.ed5 ed5 8.Nf3+=) 7.Be2 (7.d4 Qa5 8.Qd2 b5=) 7...Be7 (7...d5 8.ed5 ed5 9.Nf3+=) 8.Nf3 0–0 (8...d5 9.e5 Ne4 10.Nb1+=) 9.0–0= Bd7 (9...d5 10.e5 Ne4 11.Bb2=) 10.d4 (10.Bb2 b5=) 10...Qc7 11.Bf4 (11.d5 Ne5 12.Bb2 b5+=) 11...Nh5 (11...e5 12.de5 de5 13.Be3=) 12.Bg3 (12.Be3!?=) 12...Ng3+= 13.fg3 Qa5 (13...Rac8 14.Nb1+=) 14.Nb1 (14.Qd2 d5+=) 14...Rad8 (14...d5 15.Qd3+=) 15.Nbd2 (15.Qd2 d5 16.e5 Qd2 17.Nbd2 f6+=) 15...Qb6 (15...Qc3!? 16.d5 ed5 17.ed5 Qc5 18.Kh1 Qd5–/+) 16.Rb1 (16.Nc4 Qa7=) 16...Qa7 17.Nb3 (17.c3 e5 18.Rf2 ed4 19.cd4 Nd4 20.Nd4 Qd4 21.Rb7 d5 22.ed5 A) 22...Qd5?! A1) 23.Ba6?? Bc5–+ (23...Ba3?! 24.Qf3 Bc6 25.Qd5 Rd5 26.Rc7–+); A2) 23.Bf3 Qd4 24.Qc1–/+; B) 22...Ba3?! B1) 23.Ba6? Bc5 (worse is 23...Qd5 24.Qf3 Bc6 25.Qd5 Rd5 26.Rc7–+) 24.Qe1 Rfe8–+; B2) 23.Nb3 Qd1 24.Bd1–/+; C) 22...Bc5–+) 17...e5 (17...d5 18.ed5 ed5 19.a4+=) 18.Kh1 (18.Bc4 ed4 19.Nfd4 Bg5=) 18...ed4+= 19.Nbd4 (19.Nfd4 Bf6 20.Nf5 Be5+=) 19...Bf6 20.Nf5 (20.c3 Rde8+=) 20...Bf5 21.ef5 Be5 (21...Rfe8 22.Bc4+=) 22.Nh4 (22.Qd5 Rfe8=) 22...Nd4 23.Bh5 (23.Bd3 Rfe8+=) 23...b5 (better is 23...Rc8 24.Nf3 b5 25.Nd4 Qd4 26.Qd4 Bd4–/+) 24.Qg4? (24.c3 Nc6+=) 24...Qe7 (24...Nc2 25.f6 g6 26.Rf3–+) 25.Nf3 (25.Rfc1 d5 26.c3 Nc6–/+) 25...Nf3 (25...Nc2!? 26.Ne5 Qe5 27.Rf3–+) 26.gf3 (26.Qf3 Rc8–/+) 26...Bf6 (26...Bc3 27.Qe4 Qg5 28.Qg4–/+) 27.Rbe1 (27.a4 ba4 28.Qa4 Qd7–/+) 27...Qc7–/+ 28.f4 (28.Qe4!?–/+) 28...Qc2–+ 29.Qe2 (29.Rc1 Qe4 30.Qf3 Qf5–+) 29...Qf5 30.Bg4 (30.Bf3 d5–+) 30...Qd5 (30...Qc5 31.Qd3–+) 31.Bf3 Qc5 32.g4 (32.Qd3 Qc4 33.Qf5 Qc8–+) 32...h6 (32...Qa3 33.Bd5–+) 33.g5 (33.Qd3 Bb2–+) 33...hg5 34.fg5 Bg5 35.Rg1 (35.Qd3 Bf6–+) 35...Bh6 (35...Bf6 36.Qa2–+) 36.Qd3 f5 (36...d5 37.Re5 Qc4 38.Qf5=) 37.Re7 (37.Bd5 Kh8–+) 37...d5 (37...Kh7 38.Bd5 Rf6 39.Rf1–+) 38.Bh5?? (better is 38.Re5–+) 38...Qe7 (38...Qe7 39.Bf3 d4–+) 0–1. trex1 – Kamaina, Live Game Caissa's Web, 2005.

3.ba6 Na6

4.Bb2 Nc5 5.e3 Na4 6.Qc1 Nb2 7.Qb2 b6 8.a4 Nf6 9.Nf3 Be7 10.Bd3 0–0 11.0–0 d6 12.h3 Qd7 13.g4 Bb7 14.Nh2 Qc6 15.f3 Ba6 16.Ba6 Ra6 17.Nc3 Rfa8 18.Nb5 Ra4 19.Ra4 Ra4 20.d3 Nd5 21.Kf2?? Rb4 22.Nd4 Qa4 23.Qa1? Qa1 24.Ra1 Rb2 25.e4 Nb4 26.Rc1?? c5 27.Nc6 Nc6 28.Ke3 Nd4 29.Kd2 Bg5 30.f4 Bf4 31.Kc3 Bc1 32.Nf1 Rc2 0–1. poganinbezdom – charlesgo, kurnik, 2011.

4.Bb2 d5 5.e3 c5 6.Nf3 Nf6 7.Nc3 Be7 8.Nb5 0–0 9.a4 Nc7 10.c4 dc4 11.Bc4 Nb5 12.ab5 Bd7 13.0–0 Qb6 14.Qb3 Ne4 15.d3 Nf6 16.Ne5 Qc7 17.Nd7 Qd7 18.d4 cd4 19.Bd4 b6 20.Bb6 Qb7 21.Bd4 Nd5 22.Ra8 Ra8 23.Ra1 Ra1 24.Ba1 Qa8 25.Qb1 Bf6 26.Bf6 Nf6 27.b6 Qb7 28.Qb5 g6 29.Qc5 Ne8? 30.Bb5 Nf6 31.Qc7 Qd5 32.Bf1 Ne8 33.Qc8 Kf8 34.b7 Kg7 35.b8Q Nf6 36.Qc4 Qg5 37.Qbc7 Nd5 38.Qg3 Qf5 39.e4 Nb6 40.ef5 Nc4 41.fe6 fe6 42.Qc3 e5 43.Qc4 Kf6 44.Qc6 Kf5 45.Bd3 Kg5 46.g3 e4 47.h4 Kf5 48.Qe4 Kf6 49.f4 Kg7 50.g4 Kh6 51.g5 Kg7 52.Qe7 Kh8 53.Bc4 h5 54.Qf8 Kh7 55.Qf7 Kh8 56.Qf6 Kh7 57.Qg6! Kg6 58.Kf2 Kf5 59.Kf3 Kg6 60.Ke4 Kg7 61.f5 Kf8 62.Ke5 Kg7 63.f6 Kg6 64.Ke6 Kh7 65.Ke7 Kh8 66.f7 Kh7 67.f8N (67.f8N Kg7 68.Ne6 Kh8 69.Kf7 Kh7 70.g6 Kh6 71.g7 Kh7 72.g8Q Kh6 73.Qg6; 67.Bd3 Kg7 68.f8Q) 1–0. poganinbezdom (1675) – sulfurico, kurnik, 2011.

4.Bb2 Nf6 5.e3 b6 6.Nf3 Bb7 7.Be2 Be7 8.0–0 0–0 9.c4 Nb4 10.a3 Nc6 11.d4 d5 12.cd5 Nd5 13.g3 Na5 14.e4 Nf6 15.e5 Ne4 16.Nbd2 Qd5 17.Qc2? Nd2–+ 18.Qd2 Nb3 19.Qe3 Na1 20.Ra1 c5 21.dc5 Bc5 22.Qc3 Rfc8 23.Rd1 Qe4 24.Kg2 Qe2 25.Qd3 Qf2 26.Kh3 Qf3 27.Qf3 Bf3 28.Rd3 Be4 29.Rb3 Bf5 30.g4 Bg6 31.Kg2 Be4 32.Kg3 Bc2 33.Rf3 Ba3! 34.Bd4 Bc5 35.Bb2 Ra2 36.Bc1 Bd1 37.Rd3 Ba4 38.Be3 Be3 39.Re3 b5 40.h4 Rb2 41.g5 Rb3 42.Kf4 Re3 43.Ke3 Rc4 44.h5 Rh4 45.h6 gh6 46.gh6 Rh6 47.Kd4 Rh4 48.Kc5 Re4 49.Kd6 Kg7 50.Kc6 Re5 51.Kd6 Rd5 52.Kc6 ½–½. poganinbezdom – konik205, kurnik, 2011.

4.e4 d5 5.ed5 Qd5 6.Bb2 Nf6 7.f3 Nb4 8.a3 Nc6 9.Ne2 Bc5 10.Nf4 Qf5 11.g3 b6 12.Bd3 Qg5 13.Bb5 Bb7 14.d4 0–0–0 15.c3 Bd4 16.cd4 Qb5 17.Bc3 Nd5 18.Nd5 Rd5 19.Kf2 Rhd8 20.a4 Qc4 21.Qe2 Ba6 22.Qc4 Bc4 23.Rd1 Nd4 24.Na3 Ba6 25.Nb5 Bb5 26.ab5 f6?? 27.Ra8+/– Kb7 28.Rd8 (28.Rd8 Rd8 29.Rd4 (29.Bd4? e5–+) 29...Rd4 30.Bd4+/–) 1–0. poganinbezdom (1645) – serper79, kurnik, 2011.

4.e4 Nf6 5.Ba6 (5.e5 Nd5=) 5...Ra6+= 6.e5 Ne4 (6...Nd5 7.Nf3+=) 7.Nh3 (7.d3 Nc5=) 7...Ra5 (7...Ng5 8.Nf4+=) 8.0–0 (8.d3 Nc5=) 8...Re5+= 9.Qe2 (better is 9.Re1 Qh4 10.d3+=) 9...Rf5?? (9...d6 10.f4 Ng3=) 10.Qe4+– Be7 11.Ba3 c5 12.d4 b6 13.dc5 bc5 (13...Bf6 14.c3+–) 14.Bb2 Bf8 (better is 14...0–0+–) 15.Re1 d5 (15...Rh5+–) 16.Qf5 f6 (16...Qb6 17.Bc1 Be7 18.Qf3+–) 17.Nf4 g6 (17...e5 18.Qh5 Ke7 19.Be5 fe5 20.Re5 Kd7 21.Qf7 Kc6 22.Re8+–) 18.Ng6! hg6 (18...Be7 19.Qh5 hg6 20.Qh8 Kd7 21.Qg7+–) 19.Qg6 Kd7 20.Bf6 Bd6 21.Qf7 Kc6 22.Bd8 Bh2 23.Kf1 Ba6 24.Re2! Be2 25.Ke2 Rd8 26.Nc3 Bd6 27.Rb1 Bg3 28.Qe6 Kc7 29.Nb5 Kb8 30.Na7! Ka8 (30...Ka7 31.Qb6) 31.Qc6 Ka7 32.Qb7 1–0. SmarThinkb – Snail Chess 1.01, 2002.

3.c4 ab5

4.cb5 b6 5.Bb2 Bb7 6.f3 (6.Nf3 Nf6=+) 6...Nf6 (6...Qh4 7.g3 Qb4 8.Qb3 Qb3 9.ab3 Ra1 10.Ba1–/+) 7.g3 d6 8.e4 e5 (8...c6 9.d4=+) 9.Bg2 (9.d4 Nbd7=) 9...Nbd7 (9...c5 10.Ne2=+) 10.Ne2 (10.d4 Be7=) 10...Nc5 (10...d5!?=+) 11.d4= ed4 12.Nd4 Be7 13.0–0 0–0 14.Nf5 c6 15.e5 (15.Nc3 Re8=) 15...de5 16.Qd8 Rad8?? (better is 16...Bd8 17.Nd6 cb5 18.Nb7 Nb7 19.Be5 Nc5=) 17.bc6 (better is 17.Ne7 Kh8 18.bc6+–) 17...Bc6?? (17...Rfe8 18.cb7 Nb7 19.Ne7 Re7+–) 18.Be5 (18.Ne7 Kh8 19.Nc6 Rd6 20.Ne5 Kg8+–) 18...Nd3?? 19.Ne7+– Kh8 20.Nc6 Nb2 21.Bb2 (21...Rc8 22.Ne7+–; 21.Nd8!? Rd8 22.Bb2 Ne8+–) 1–0. MasterofDisaster – ReadRuppert, Live Game Caissa's Web, 2004.

4.cb5 c6 5.Bb2 A) 5...d5 6.e3 (6.Nf3 cb5 7.e3 b4 8.Be5 Nc6 9.d4+=) 6...Nf6 7.Nf3 Bd6 8.Be2 0–0 9.0–0+=; B) 5...Nf6 6.Nf3 (6.e3 d5 7.Nf3 Bd6 8.Be5 0–0 9.d4+=) 6...d5 7.e3 Bd6 8.Be2 0–0 9.0–0+=; C) 5...cb5 6.e4 (6.e3 b4 7.Nf3 d5 8.Be5 Nc6 9.d4+=; 6.Nf3 d5 7.e3 b4 8.Be5 Nc6 9.d4+=) 6...b4 7.Nf3 d5 8.ed5 Qd5 9.Qc2+=.

4.cb5 c6 5.Nc3 d5 6.Nf3 (6.e3 e5 7.d4 e4 8.Nge2 Nf6 9.Nf4+=; 6.d4 cb5 7.Nf3 b4 8.Nb1 Bd6 9.Bg5–/+; 6.Bb2 d4 7.Ne4 Qd5 8.Qb1 f5 9.Ng3+=; 6.Qc2 Nf6 7.Nf3 Bb4 8.e3 0–0 9.Be2+=) 6...d4 7.Ne4 cb5 8.e3 Qd5 9.Qc2 =.

4.cb5 c6 5.e3 Nf6 (5...d5 6.Nf3 (6.Bb2 Nf6 7.Nf3 Bd6 8.Be5 0–0 9.d4+=; 6.d4 Nf6 7.Nf3 Bd6 8.Nc3 Bd7 9.Rb1=) 6...Nf6 7.d4 Bd6 8.Nc3 Bd7 9.Rb1=; 5...b6 6.d4 (6.Nf3 Nf6 7.d4 cb5 8.Bb5 Ba6 9.Qe2=) 6...Nf6 7.Nf3 cb5 8.Bb5 Ba6 9.Ba6=; 5...Ne7 6.Bb2 (6.Nf3 d5 7.d4 Ng6 8.Bd3 c5 9.dc5=; 6.d4 cb5 7.Bd2 Nec6 8.Bb5 Qg5 9.Bf1=; 6.Nc3 d5 7.Nf3 Ng6 8.h4 Bd6 9.h5=) 6...d5 7.Nf3 f6 8.d4 Nf5 9.Bd3=) 6.Bb2 (6.Nf3 d5 7.Bb2 Bd6 8.Be5 0–0 9.Bd6+=) 6...g6 (6...d5 7.Nf3+= Bd6 8.Be2 0–0 9.0–0+=; 6...b6 7.Nf3 Bb7 8.Be2 Be7 9.0–0=) 7.Nc3 (7.Nf3 Bg7 8.Be2 d5 9.0–0=) 7...Ba3 (7...d5 8.Nf3= Bg7 9.Be2=; 7...Bg7 8.Nf3 d5 9.Be2=) 8.Qb3 (8.Ba3 Ra3 9.Nf3 d5+=) 8...Bb2 9.Qb2 0–0 (9...e5 10.Nf3 d6 11.Be2=) 10.Nf3 d5 11.d4 Qa5 12.Nd2 Bd7 13.a4 (13.Nb3 Qc7+=) 13...Rc8 (13...cb5 14.Nb5 Ne4+=) 14.b6 (14.Rc1 cb5 15.ab5 Qa3 16.Qa3 Ra3=) 14...Ne4 (better is 14...c5!? 15.dc5 Rc5–/+) 15.Nde4 (15.Nce4 de4 16.Be2 c5+/–) 15...de4 16.Be2 Be8 (16...c5!? 17.0–0 f5 18.dc5 Rc5=) 17.0–0+/– Nd7 (17...f5!?+/–) 18.Ne4+– Nb6 (18...Qb6 19.Qb6 Nb6 20.a5+/–) 19.Nf6 (19.Nc5!? Nd7 20.Nb7 Rab8+–) 19...Kf8 20.Rfb1 (20.Nh7 Kg7 21.Ng5 Na4 22.Qb7 Qg5 23.Ra4 Rab8+=) 20...Na4 (20...Nd5 21.Qa3 c5 22.Ne8 Ke8 23.Rb7 Nc3+–) 21.Qa3 (better is 21.Qb7!? Qd8 22.Ne8 (22.Nh7?! Kg7 23.Ng5 Bd7+=) 22...Qe8 23.Qb3+–) 21...Kg7+/– 22.Ne8 Re8 23.Rb4 (23.Rb7!? Qd2 24.Qd3 Qd3 25.Bd3+=) 23...b5= 24.Bd1 Reb8 (24...e5 25.Ba4 ba4 26.de5= (26.Qa4?? Qb4 27.Qd1 Ra1 28.Qa1 Ra8–+)) 25.g3 Rb6 (25...e5 26.Ba4 (26.de5? c5 27.Ra4 ba4–+) 26...ba4 27.Ra4 Qa4 28.Qa4 Ra4 29.Ra4 ed4 30.ed4=) 26.Ba4 Rba6 27.Qb2 Kg8 (27...ba4 28.d5 Kg8 29.Rba4 Qa4 30.Ra4 Ra4 31.de6 fe6 32.Qb3=) 28.d5 ed5 (28...ba4 29.Rba4 Qa4 30.Ra4 Ra4 31.de6 fe6 32.Qb3=) 29.Rb1 c5 (29...ba4 30.Rb8 Rb8 31.Qb8 Kg7 32.Qe5 Kh6 33.Qf4 Kg7 34.Rb7 Qe1 35.Kg2 Qf1 36.Kf1 Ra7 37.Qf7 Kh6 38.Qf4 g5 39.Qf6 Kh5 40.Qf7 Kg4 41.f3 Kh3 42.Qh7) 30.Rb5+= Qa4 31.Qe5 Rd8 32.Rc5 (32.Qc7 Raa8 33.Rb7 Qe8 34.Qc5 Qe4+=) 32...Re6 33.Qc7 Qd7 (33...Qe8 34.Rd5 Rd5 35.Rb8=) 34.Rb7 (34.Qd7 Rd7 35.Rd1+=) 34...Re7 (34...Rd6!?+=) 35.Qa5+/– Qb7 36.Qd8 Kg7 37.Qd5 Qd5 38.Rd5 Kf6 39.Kg2 ½–½. Kilpatrick,Robert – Brady, corr SCCA, 1978.

4.cb5 c6 5.e4 A) 5...c5 6.Nf3 (6.Qe2 Ne7 7.Nf3 d5 8.Bb2 Nd7 9.d4+=) 6...d5 7.e5 Nd7 8.Be2 Qc7 9.Bb2=; B) 5...Nf6 6.Qc2 (6.e5 Ne4 7.Nc3 d5 8.Ne4 de4 9.Qc2=) 6...Bb4 7.e5 Nd5 8.Bb2 0–0 9.Nc3=; C) 5...d5 6.e5 cb5 7.Nf3 Bd7 8.Be2 b4 9.d4=.

4.cb5 c6 5.Nf3 A) 5...d5 6.Nc3 (6.Bb2 cb5 7.e3 b4 8.Be5 Nc6 9.d4+=; 6.e3 Nf6 7.Bb2 Bd6 8.Be5 0–0 9.d4+=) 6...d4 7.Ne4 cb5 8.e3 Qd5 9.Qc2=; B) 5...Nf6 6.Bb2 (6.e3 d5 7.Bb2 Bd6 8.Be2 0–0 9.0–0+=; 6.Nc3 d5 7.e3 c5 8.Bb2 Bd6 9.d4+=; 6.d4 Qa5 7.Bd2 Qb5 8.e4 Qh5 9.Nc3+=; 6.Qc2 d5 7.e3 Bd7 8.Nc3 cb5 9.Nb5+=) 6...d5 7.e3 Bd6 8.Be2 0–0 9.0–0+=.

4.cb5 d5 5.Bb2 Nf6 6.Qc2 (6.e3 Bd6 7.Nf3 0–0 8.Be5 Be5 9.Ne5+=; 6.Nf3 Bd6 7.e3 Nbd7 8.Be2 e5 9.0–0+=; 6.a3 Bd6 7.Nf3 Nbd7 8.e3 e5 9.Be2+=) 6...Bd6 7.Nf3 Nbd7 8.e3 e5 9.Be2 +=.

4.cb5 d5 5.Qc2 A) 5...Bd6 6.Nf3 (6.Nc3 Nf6 7.d4 c5 8.dc5 Bc5 9.Nf3+=; 6.Bb2 Nf6 7.Nf3 0–0 8.e3 c5 9.Be2+=) 6...e5 7.Bb2 Nd7 8.e3 f6 9.Be2+=; B) 5...Bd7 6.e3 (6.e4 de4 7.Qe4 Bc8 8.Nf3 Nf6 9.Qc2+=) 6...Bd6 7.Bb2 Nf6 8.Nf3 c6 9.Be5+=; C) 5...Nf6 6.Bb2 (6.Nf3 Bd6 7.d4 Nbd7 8.Nc3 e5 9.e4+=; 6.Nc3 e5 7.Nf3 Bd6 8.d4 e4 9.Ne5+=) 6...Bd6 7.Nf3 Nbd7 8.d4 Ne4 9.e3+=; D) 5...Nd7 6.Bb2 (6.d4 e5 7.e4 Ngf6 8.ed5 ed4 9.Nf3–/+; 6.Nc3 Ngf6 7.Nf3 e5 8.e4 d4 9.Ne2+=; 6.Nf3 Ngf6 7.d4 Bd6 8.Nc3 e5 9.e4+=) 6...Ngf6 7.Nf3 Bd6 8.e3 e5 9.Be2+=; E) 5...e5 6.Nf3 (6.Bb2 Nd7 7.d4 e4 8.Nc3 Ngf6 9.Bc1–/+; 6.Nc3 Nf6 7.Nf3 e4 8.Nd4 Bb4 9.Rb1+=; 6.Qc3 Bd6 7.Nf3 Qe7 8.Bb2 d4 9.Qc1–/+; 6.e4 de4 7.Qe4 Bd6 8.Bc4 Nf6 9.Qe3–/+) 6...e4 7.Nd4 Nf6 8.d3 ed3 9.ed3+=.

4.cb5 d5 5.d4 A) 5...Bb4 6.Bd2 Bd6 7.Nf3 Nf6 8.e3 Nbd7 9.Bd3=; B) 5...Nf6 6.e3 (6.Nf3 c5 7.bc6 Nc6 8.e3 Bd6 9.Nc3+=; 6.Qb3 c5 7.dc5 Bc5 8.Nf3 Nbd7 9.e3+=; 6.Qc2 c5 7.Nf3 Qa5 8.Bd2 Qb5 9.Nc3–/+; 6.Nc3 Bb4 7.Bd2 0–0 8.Nf3 Qe7 9.e3+=) 6...Ne4 7.Qc2 Qh4 8.Bd3 Bb4 9.Kf1=; C) 5...Nd7 6.Nf3 (6.e3 Ngf6 7.Nf3 Bd6 8.Be2 Ne4 9.Qc2+=; 6.Bf4 Ngf6 7.Qc2 Bb4 8.Nd2 Ne4 9.Ngf3+=; 6.Qb3 Ne7 7.Nf3 c5 8.bc6 Nc6 9.e3+=) 6...Bd6 7.e3 Ne7 8.Be2 0–0 9.0–0=; D) 5...Bd7 6.e3 (6.Qb3 Nf6 7.Nf3 c5 8.bc6 Nc6 9.e3+=) 6...c5 7.bc6 Nc6 8.Nf3 Nf6 9.Bd2+=.

4.cb5 d5 5.e3 A) 5...Bd6 6.Bb2 (6.Nf3 e5 7.Bb2 Nd7 8.Be2 Ne7 9.0–0+=; 6.d4 e5 7.Nf3 e4 8.Nfd2 Nf6 9.Be2+=; 6.Nc3 Nf6 7.d4 Nbd7 8.Nf3 e5 9.de5+=; 6.Qg4 Qf6 7.d4 c5 8.bc6 Nc6 9.Qd1+=) 6...Nf6 7.Nf3 Nbd7 8.d4 Qe7 9.Nbd2=; B) 5...Nd7 6.d4 Ngf6 7.Nf3 Bd6 8.Bb2 c5 9.dc5=; C) 5...e5 6.Bb2 (6.Nf3 e4 7.Nd4 Nf6 8.Bb2 Nbd7 9.Be2+=) 6...e4 7.d3 Nd7 8.de4 de4 9.Nc3=.

4.cb5 d5 5.Nf3+= A) 5...Nf6 6.e3 (6.d4 c5 7.bc6 Nc6 8.e3 Bd6 9.Nc3+=; 6.Qc2 Bd6 7.d4 0–0 8.Bg5 Nbd7 9.Nc3+=) 6...Ne4 7.Bb2 Nd7 8.a3 Nef6 9.d4=; B) 5...Bb4 6.e3 (6.Bb2 Nf6 7.a3 Bd6 8.e3 Nbd7 9.Be2+=; 6.Qb3 Qe7 7.Bb2 Nf6 8.e3 0–0 9.Be2+=; 6.a3 Nf6 7.Bb2 Bd6 8.e3 c5 9.bc6+=; 6.Qc2 Nf6 7.Bb2 Nbd7 8.e3 Bd6 9.d4=) 6...Nf6 7.Bb2 Nbd7 8.Be2 0–0 9.0–0=; C) 5...Bd6 6.d4 (6.Nc3 Nf6 7.d4 0–0 8.e3 Nbd7 9.Be2+=; 6.Qb3 Nf6 7.d4 0–0 8.Qd3 c6 9.Nc3+=; 6.Bb2 Nf6 7.e3 0–0 8.Be5 Be5 9.Ne5+=) 6...Nf6 7.e3 0–0 8.Bd3 Nbd7 9.Bb2+=; D) 5...Be7 6.e3 (6.d4 c5 7.bc6 Nc6 8.e3 Nf6 9.Be2+=) 6...c5 7.bc6 Nc6 8.Bb2 Nf6 9.Bb5+=; E) 5...Nd7 6.d4 (6.Nc3 Ngf6 7.d4 Bd6 8.Bg5 Ra3 9.Nb1+=; 6.Qb3 Bd6 7.d4 Qe7 8.Nc3 Ngf6 9.e3+=) 6...Ngf6 7.e3 Bd6 8.Bb2 Qe7 9.Bd3+=.

4.cb5 e5 A) 5.d4 A1) 5...e4 6.Qc2 (6.Bf4 Bb4 7.Bd2 Be7 8.Bf4 Nf6 9.Qc2+=) 6...Nf6 7.Bf4 Bb4 8.Bd2 Ba5 9.Ba5+=; A2) 5...ed4 6.Qd4 d5 7.e4 Nf6 8.ed5 Qd5 9.Be3+=; B) 5.Bb2 B1) 5...d6 6.Nf3 (6.d4 e4 7.d5 Nf6 8.Nc3 Nbd7 9.Qc2+=) 6...Nf6 7.Qc2 Be7 8.e4 0–0 9.Be2=; B2) 5...f6 6.d4 (6.e4 d5 7.ed5 Qd5 8.Nc3 Qe6 9.Qh5=) 6...Bb4 7.Bc3 Bc3 8.Nc3 ed4 9.Qd4=; B3) 5...e4 6.d3 Nf6 7.de4 Ne4 8.Qd4 d5 9.Nd2+=.

4.cb5 Nf6 5.Bb2 d5 6.Nf3 (6.e3 Bd6 7.Nf3 Nbd7 8.Be2 e5 9.0–0+=; 6.Qc2 Bd6 7.Nf3 Nbd7 8.e3 e5 9.Be2+=; 6.a3 Bd6 7.Nf3 0–0 8.e3 Nbd7 9.d4+=) 6...Bd6 7.e3 Nbd7 8.Be2 0–0 9.d4 =.

4.cb5 Nf6 5.Qc2 d5 6.Bb2 (6.Nf3 Bd6 7.d4 Nbd7 8.Nc3 e5 9.e4+=; 6.Nc3 e5 7.e4 d4 8.Nd1 Nbd7 9.Nf3+=) 6...Bd6 7.Nf3 0–0 8.e3 c5 9.Be2 +=.

4.cb5 Nf6 5.d4 A) 5...d5 6.e3 (6.Nf3 c5 7.bc6 Nc6 8.e3 Bd6 9.Nc3+=; 6.Qb3 c5 7.bc6 Nc6 8.e3 Ne4 9.Bb5+=; 6.Qc2 c5 7.Nf3 Qa5 8.Bd2 Qb5 9.Nc3–/+; 6.Nc3 Bb4 7.Bd2 0–0 8.Nf3 Qe7 9.e3+=) 6...Ne4 7.Nf3 Bb4 8.Bd2 Nd2 9.Nbd2=; B) 5...Ne4 6.Nf3 (6.Qc2 d5 7.e3 Qh4 8.Bd3 Bb4 9.Kf1=; 6.Qb3 Nf2 7.Kf2 Qh4 8.Ke3 Qg5 9.Kf2–/+; 6.Bd2 d5 7.Nf3 Bd6 8.Nc3 0–0 9.Ne4+=; 6.Qd3 Bb4 7.Bd2 Nd2 8.Nd2 Ra3 9.Qc2+=) 6...d5 7.e3 Bb4 8.Bd2 Nd2 9.Nbd2=.

4.cb5 Nf6 5.e3 A) 5...Be7 6.d4 (6.Nf3 d5 7.d4 c6 8.Bd3 cb5 9.Bb5+=) 6...d5 7.Nf3 c6 8.Bd3 cb5 9.Bb5=; B) 5...d5 6.Nf3 (6.d4 Ne4 7.Qc2 Qh4 8.Bd3 Bb4 9.Kf1=) 6...Ne4 7.Bb2 c5 8.Qc2 Ng5 9.Be2=; C) 5...c5 6.d4 (6.Bb2 d5 7.Nf3 Bd6 8.Be2 0–0 9.0–0+=; 6.Nf3 d5 7.Be2 Bd6 8.0–0 e5 9.Bb2+=; 6.bc6 dc6 7.Nf3 Bb4 8.Qb3 Qa5 9.Bb2+=) 6...d5 7.dc5 Bc5 8.Bb2 Nbd7 9.Nf3+=.

4.cb5 Nf6 5.Nf3 A) 5...d5 6.e3 (6.d4 c5 7.bc6 Nc6 8.e3 Bd6 9.Nc3+=; 6.Qc2 Bd6 7.d4 0–0 8.Nc3 c6 9.e3+=) 6...Bd6 7.d4 0–0 8.Bd3 Nbd7 9.Bb2+=; B) 5...Bb4 6.Bb2 (6.Qb3 Qe7 7.Bb2 d5 8.a3 Bd6 9.Be5+=; 6.e3 0–0 7.Bb2 d5 8.Be2 Re8 9.0–0=; 6.a3 d5 7.Qb3 Bd6 8.d4 Nbd7 9.Nc3+=; 6.Qc2 d5 7.Bb2 Bd6 8.e3 Nbd7 9.d4=) 6...d5 7.e3 Nbd7 8.Be2 Bd6 9.d4=; C) 5...Be7 6.e3 (6.d4 0–0 7.e3 c6 8.Nc3 Bb4 9.Bd2=) 6...d5 7.d4 Ne4 8.Qc2 c5 9.Bd3=; D) 5...c6 6.e3 (6.Bb2 d5 7.e3 Bd6 8.Be5 0–0 9.d4+=; 6.Nc3 d5 7.e3 c5 8.d3 Bd6 9.Be2+=; 6.d4 Qa5 7.Bd2 Qb5 8.e4 Qh5 9.Nc3+=; 6.Qc2 d5 7.Bb2 Bd7 8.e3 cb5 9.Be2+=) 6...d5 7.d4 Be7 8.Bd3 cb5 9.Bb5=; E) 5...c5 6.bc6 (6.Bb2 d5 7.e3 Bd6 8.Be2 0–0 9.0–0+=; 6.e3 d5 7.Be2 Bd6 8.Bb2 Nbd7 9.0–0+=; 6.Qc2 d5 7.Nc3 Nbd7 8.e3 Bd6 9.Be2+=; 6.d4 d5 7.Nc3 c4 8.Rb1 Nbd7 9.Bf4+=) 6...dc6 7.d4 Bd6 8.Nbd2 Qa5 9.Qb3+=.

3.c4 c6

4.Nc3 Bc5 5.d4 Ba7 6.a4 Qb6? (6...Qa5!? 7.Ra3 Nf6=) 7.Nf3 (7.c5 Qa5 8.Bd2 Qd8+–) 7...c5? (7...cb5 8.ab5 d6 9.e4+/–) 8.e3?? (better is 8.a5 Qd8 9.b6+–) 8...cd4 9.Nd4 (9.a5 Qd8 10.ed4 ab5 11.Nb5 d5+–) 9...ab5 (9...Qa5 10.Bd2 Qc7 11.a5+/–) 10.ab5 (10.Ndb5 Na6+–) 10...Qc5? (10...Nf6 11.Bd3+=) 11.Ba3 (11.Nb3 Qe5 12.Bb2+–) 11...Qe5+/– 12.Bd3?? (better is 12.Be2 Bc5 13.Bc5 Ra1 14.Qa1 Qc5 15.Qa8+/–) 12...Bd4–+ 13.0–0 Bc3 14.Rb1 (14.Ra2 Nf6 15.Bd6 Ra2 16.Be5 Be5–+) 14...Qg5 (better is 14...Ra3 15.Rb3 Rb3 16.Qb3 Nf6–+) 15.f4 Qh6 (15...Ra3 16.fg5 Be5 17.Qf3+=) 16.e4 (16.Bd6–+) 16...Qf4 (better is 16...Bd4 17.Kh1 Ra3–+) 17.Rf4–/+ Ra3 (17...Bd4 18.Kh1 Ra3 19.Rf3–/+) 18.Rf7 (18.Bc2 Ra2+=) 18...Kf7 (better is 18...Bd4 19.Rf2 Ra2–/+) 19.Qf3?? (19.Qh5 g6 20.Qc5–+) 19...Bf6 (better is 19...Nf6!? 20.Rf1 Bd4 21.Kh1–+) 20.Qh5 (20.e5 Rd3! 21.Qd3 Be5–+) 20...g6 21.Qc5 Rd3 22.Qc8 Nh6 23.Qb7 Bd4 24.Kf1 (24.Kh1 Ng4 25.h3 Nf2 26.Kh2 Rc3–+) 24...Ng4 (24...Rf8 25.Ke2 Re3 26.Kd2–+) 25.h3 (25.Ke2 Re3 26.Kd2 Nf2–+) 25...Nh2 (better is 25...Kg7 26.Ke1 (26.hg4 Rf8 27.Ke2 Re3 28.Kd1 Rf1 29.Kc2 Rf2 30.Kd1 Bc3 31.Qd7 Nd7 32.c5 Re1) 26...Re3 27.Kd2–+) 26.Ke2 Rc3 27.Rb4 (27.Qc7 e5 28.Ra1–+) 27...Rc2 (better is 27...Rf8 28.Qc7 Nf1–+) 28.Kd3 Bc3 (better is 28...Rb2!? 29.Rb2 Bb2–+) 29.Rb3+= Rg2 30.Kc3 Rg3 31.Kb4 Rb3 32.Kb3 Nf3 33.c5 Nd2 (better is 33...Kf6=) 34.Kb4 Kf6 35.c6 (35.e5 Ke5 36.c6+–) 35...dc6+= (35...Ne4?? 36.c7 (36.cd7? Nd6 37.d8Q Rd8 38.Qh7 Nf5–+) 36...Nc6 37.bc6 dc6 38.Qc6+–) 36.bc6 Ne4?? (better is 36...Nc6 37.Qc6 Rd8+=) 37.c7+– Na6 38.Qa6 Ke7 (38...Rg8 39.c8Q Rc8 40.Qc8+–) 39.c8Q Rc8 40.Qc8 e5 (40...Kf6+–) 41.Qb7 Kf6 42.Qe4 h5 (42...Ke6+–) 43.Kc5 g5 44.Kd5 g4 45.Qe5 Kg6 46.hg4 hg4 47.Ke6 g3 1–0. delightful_porridge – Eries, ChessWorld.net, 2014.

4.bc6 Nc6 5.Nf3 Nf6 6.Nc3 Bc5 7.d4 Bb4 8.Bd2 Qa5 9.Qb3 b6 (better is 9...d5!?=) 10.e4+/– Bb7 (10...d6 11.a3 Ng4+–) 11.d5 Ne7 12.Rb1 Rc8? (12...Bc3 13.Bc3 Qc5+–) 13.Qb4 Qb4 14.Rb4 b5 15.e5 Ng4 (15...Nfd5 16.cd5 Bd5 17.Ne4+–) 16.cb5 Rc3 (16...h5 17.h3 a5+–) 17.ba6 Ba6 18.Ba6 0–0 (18...Rc2 19.Rb8 Rc8 20.Bc8+–) 19.Bc3 Nd5 20.Rg4 Nc3 21.Kd2 Nd5 22.Bb7 Nb4 (22...f6 23.Re1+–) 23.Rb4 Rb8 24.a4 f6 25.a5 fe5 26.a6 Kf7 1–0. miehnekort – pelonfai2003, Yahoo, 2005.

3.c4 d5

4.a4 dc4–/+ 5.d4? (better is 5.Bb2!?–/+) 5...ab5–+ 6.a5? (6.e3 Nf6–+) 6...c6 (6...Bb4!? 7.Bd2 c5 8.dc5 Ra5 9.Ra5 Qa5 10.Qc2–+) 7.e4 Nf6 0–1. miekarra – glovio, gameknot.com, 2013.

4.ba6 Na6 5.cd5 ed5 6.d4 Bf5 7.Nf3?? (better is 7.a4–/+) 7...Nb4–+ 8.Na3 Ra3! 9.Ba3 Nc2 10.Kd2 Ba3 (worse is 10...Na3 11.Qb3 Nf6 12.e3 Ne4 13.Ke2–+) 11.e4 de4 (11...Na1?! 12.ef5 Bb4 13.Kd3–+; 11...Be4?! 12.Bd3 Bd3 13.Kd3 Nb4 14.Ke2–+) 12.Qc2 (12.Kc2 ef3 13.Kc3 Qa8–+) 12...e3! (12...ef3?! 13.Qf5 Qd4 14.Bd3 Bb4 15.Kc2 Qc3 16.Kb1–+) 13.Kc3 (13.Ke3 Bc2 Discovered attack (13...Bc2 Deflection); 13.fe3 Bb4 Double attack (13...Bc2 Discovered attack; 13...Bb4 Decoy)) 13...Bc2 14.Kc2 ef2 15.Bc4 Nh6 16.Raf1 Ng4 17.Kd3 (17.h3 Ne3 18.Kd3 Nf1 19.Rf1 Qd7–+) 17...Qe7 (17...Qd6!? 18.h3 Qg6 19.Kc3–+) 18.h3 Qe3 19.Kc2 Qe4 20.Bd3 (20.Kc3 Ne3 21.Bf7 Ke7 (21...Kf7?! 22.Ng5 Kg6 23.Ne4=) 22.Rf2 Rf8–+) 20...Qc6 21.Kd2 Bb4 22.Kd1 Qc3 (better is 22...Qa4 23.Bc2 Ne3 24.Ke2 Nc2 25.Kf2 Qa2 26.Kg3 Bd6 27.Ne5 Nd4 28.Re1–+) 23.Bf5 Ne3 (23...Ne3 24.Ke2 Nf5–+) 0–1. islanderfan (1995) – angelofthenight (2790), net–chess.com, 2012.

4.ba6 Na6 5.e3 Nb4 +=.

4.e3 ab5 5.cb5 e5 6.Bb2 Bd6 7.d4 Nd7 8.de5+= Ne5 9.Nd2 Nf6 10.Ngf3 Nf3 11.Nf3 Bb4–/+ 12.Nd2?? Ne4–+ 13.Bc1 Bc3 14.Rb1 Ra2 15.Rb2 Bb2 16.Ne4 Ra1 17.Be2 Rc1 18.Ng3 Rd1 19.Bd1 0–0 20.0–0 d4 21.ed4 Qd4 22.Bf3 Qc5 23.Be2 Re8 24.h3 Be5 (24...Be5 25.Nh1 Bf4–+) 0–1. Tago,Shunnichi – White,Bobby, WS/O/226 ICCF, 2008.

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

3.e3 ab5

4.Bb5 Ra5 5.a4 c6 6.Be2 b5 7.c3 b4 8.Nf3 Qb6 9.Qb3 Ba6 10.Ba6 Na6 11.cb4 Nb4 12.0–0 Nf6 13.Na3 Nbd5 14.Qb6 (14.Qc2!? Qc5 15.Qc5 Bc5 16.Nc4=) 14...Nb6+= 15.Bb2 Ra4 16.Ne5 (16.Bf6 gf6 (worse is 16...Ra3 17.Ra3 Ba3 18.Bg7+=) 17.Nc2 Rg8+=) 16...Ba3 17.Ba3 Nfd5 18.Bd6 f6 19.Ra4 Na4 20.Ra1 Nab6 (worse is 20...fe5 21.Ra4 Kf7 22.Be5+=) 21.Nc4? (better is 21.Nf3+=) 21...Nc4–+ 22.Ra8 Kf7 23.Rh8 Nd6 24.Rh7 Nb4 25.d4 Nd3 26.Kf1 e5 27.de5 Ne5 28.Rh4 f5 29.Rd4 Ke6 30.Ke2 Nb5 31.Rd2 Nc3 32.Ke1 Ne4 33.Rc2 Nd3 34.Kf1 Ndf2 35.Ke2 Ng4 36.h3 Ne5 37.Rc1 g5 38.Rh1 (38.Ra1–+) 38...Ng3 (38...Ng3 39.Kd2 Nh1–+) 0–1. blackcrowman – alignment, ChessWorld.net, 2011.

4.Bb5 Ra5 5.Nc3 =.

4.Bb5 c6 5.Bc4 d5 6.Bb3 Qf6 7.c3 Nh6 8.Bc2 e5 9.Qf3 Qd6 10.a4 Bg4 11.Qg3 Qf6 12.Nf3 Bd6 13.e4 d4 14.cd4 Bf3 15.Qf3 Qf3 16.gf3 ed4 17.d3 Ng8 18.Na3 Bb4 19.Ke2 Nd7 20.Rb1 c5 21.Nb5 Ke7 22.Nc7 Rc8 23.Nd5 Kd6 24.Nb4 cb4 25.Rb2 Ne7 26.Bd2 Nc6 27.Rc1 Nde5 28.Bb4 Ke6 29.Bd2 Rc7 30.Rcb1 Rb8 31.f4 Nd7 32.f5 Kf6 33.Bf4 Nde5 34.Bg3 g6 35.f4 Ng4 36.Bh4 Kg7 37.h3 Ne3 38.f6 Kh6 39.Bd1 Nd8 40.Kd2 Nd1 41.Kd1 Rc3 42.Kd2 Ra3 43.Rg1 Ne6 44.f5 Nc5 45.Bg5 Kh5 46.fg6 hg6 47.Rb5 Ra2 48.Kd1 Rc8 49.Bd2 Kh4 50.Ke2 Ra4 51.Kf3 Ra3 52.Rg4 Kh3 53.Rg3 Kh2 54.Rg2 Kh3 55.Rg3 ½–½. snowman100 (1665) – pukism (1765), gameknot.com, 2013.

4.Bb5 c6 5.Bd3 Qb6 (better is 5...d6+=) 6.Bb2?? (better is 6.Nc3=) 6...Qb2–+ 7.c3 (7.Nc3–+) 7...Qa1 8.Ne2 (8.a3 Nf6–+) 8...Qa2 9.0–0 Qd5 10.Nf4 Qg5 11.g3 (11.Nh5 Nf6 12.Be2 Nh5 13.Bh5 b6–+) 11...Bd6 (11...Nf6 12.h4 Qh6 13.f3–+) 12.h4 (12.Nh3 Qh6 13.Kg2 Bc5–+) 12...Qe7 (12...Qh6 13.c4–+) 13.Nh5 (13.Qg4 Qf8–+) 13...g6 14.Ng7 (14.Nf4 Nf6–+) 14...Kf8 15.f4 Kg7 16.h5 b6 17.Qg4 Nf6 18.Qg5 Nh5 (better is 18...Ra5 19.f5–+) 19.Bg6 hg6 (better is 19...Qg5 20.fg5 hg6 21.Kg2–+) 20.g4 Ng3 (better is 20...Qg5 21.fg5 Ng3–+) 21.f5 Qg5 22.f6 Kf8 0–1. solidsteel – como2, Live Game Caissa's Web, 2005.

4.Bb5 c6 5.Be2 Nf6 +=.

4.Bb5 Qg5 5.Bf1 Nc6 6.Bb2 Nf6 7.Nf3 Qa5 8.Nc3 Be7 9.Be2 0–0 10.0–0 d5 11.d4 Bd7 12.a4 Qb4 13.Rb1 Ne4 14.Nb5 Rfc8 15.Ba3 Qa4 16.Be7 Ne7 17.Ne5 Be8 18.Rb3 Qa5 19.Ra3 Qb6 20.Rb3 f6 21.f3 Nd6 22.Nd6 Qd6 23.Nd3 b6 24.Nf4 c5 25.c4? Ba4–+ 26.dc5 bc5 27.Qb1 Bb3 28.Qb3 d4 29.g3 Nf5 30.e4 Rcb8 31.Qd3 Ne3 32.Rc1 Rb2 33.Rb1 Nc4! 34.Rb2 Nb2 35.Qb3 Rb8 36.Qa2 d3 37.Ne6 de2 (37...de2 38.Nd4 Kf8 39.Ne2 Qd1 40.Kf2 Qh1–+) 0–1. blackiwhite (1685) – zvk (2045), kurnik, 2011.

4.Bb5 Qg5 5.Bf1 Nc6 6.Nf3 Qa5 7.Bb2 Nf6 8.Bc4 (8.Bc3 Qf5=) 8...d5 9.Bb3 Bd6 10.0–0 (10.Bf6 gf6 11.0–0 Rg8+=) 10...e5+= 11.Nc3 (11.d4 ed4 12.Nd4 Ne5+=) 11...0–0–/+ 12.d3 e4 13.de4 de4 14.Nd4 Bh2 15.Kh2 Ng4 16.Kg3?? (16.Kg1 Qh5 17.Re1 Qh2 18.Kf1 Qh1 19.Ke2 Qg2 20.Kd2 Nd4 21.ed4 e3 22.Re3 Ne3 23.Ke3 Re8 24.Kd3 Qf2 25.Kc4–/+) 16...Qe5 17.f4 ef3! 18.Kf3 (18.Kf3 Qe3 Mate attack) 18...Qe3# 0–1. chessleon (1985) – wyckedknight, net–chess.com, 2009.

3.e3 Be7

4.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 Be7 4.e3 a6).

4.Bb2 Nf6 5.a4 0–0 6.Nf3 d5 7.Be2 ab5 8.ab5 Ra1 9.Ba1 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Be7 8.Nf3 0–0 9.Be2).

3.e4 ab5

4.Bb5 c6

5.Bd3 Nf6 (5...d5 6.Nf3=) 6.h3 (6.e5 Nd5 7.Nf3 Nf4=) 6...Bc5+= 7.a4? (7.Nf3 d5 8.e5 Ne4+=) 7...Qb6?? (7...Ne4 8.Be4 Bf2 9.Ke2 d5=) 8.Qe2+= d5 (better is 8...d6+=) 9.Ba3? (9.e5 Ne4 10.Be4 de4 11.a5 Ra5 12.Ra5 Qa5 13.Nc3–/+) 9...Ra4 (9...Ba3 10.Na3 Qb2 11.Qd1–/+) 10.Bc5 Ra1 Threatening mate... how? 11.Bb6 Rb1 12.Qd1 Rd1 13.Kd1 Na6 (better is 13...de4!? 14.Bc4 Nbd7–+) 14.ed5 (14.e5 Nd7 15.Bd4 c5+=) 14...ed5 (14...Nd5 15.Bd4+=) 15.Nf3= 0–0 16.Re1 Bd7 (16...Nd7 17.Be3=) 17.Re7 (better is 17.Bd4=) 17...Be6 (17...Re8 18.Re8 Ne8 19.Bd4=) 18.Ne5 (18.Rb7 Nb4 19.Bc5 Nd3 20.Bf8 Nf2 21.Ke2 Nh3+=) 18...Ra8 (18...Rb8 19.Ba7 Re8 20.Re8 Ne8 21.Nc6 bc6 22.Ba6=) 19.Rb7+= Nb4 20.Bf1 Ra1 (20...Ne4 21.Bd4 c5 22.f3 cd4 23.fe4=) 21.Ke2+/– Threatening mate: Rb8 21...Nc2?? (21...h6 22.c3 Nc2 23.Rb8 Kh7+=) 22.Rb8 Ne8 (22...Bc8 23.Rc8 Ne8 24.Re8) 23.Re8# 1–0. manofsteel5 – 2i4u4, Live Game Caissa's Web, 2005.

5.Be2 e5 6.c4 (6.Nf3 d5 7.Ne5 Bd6=) 6...Nf6 (6...Qh4 7.d3=) 7.d3 (7.Nc3 d5 8.ed5 cd5 9.cd5 Nd5 10.Bb5 Nc6+=) 7...d5 (7...Bc5 8.Nf3+=) 8.cd5 (8.ed5 cd5 9.Nf3 Bb4 10.Bd2 Bd2 11.Nbd2 Nc6+=) 8...cd5 9.ed5 (9.Nf3 Nc6 10.Qc2 Bb4 11.Bd2 Qd6+=) 9...Nd5 10.Nf3 Bb4 11.Bd2 Nc6 12.0–0 0–0 13.a3 (13.Qb3 Qd6–/+) 13...Bd2 (13...Bc5 14.Qc2 b6 15.Nc3–/+) 14.Nbd2 (14.Qd2 Nf4–/+) 14...Bg4 (14...Nc3!? 15.Qe1 Bf5 16.Ne4 Ne4 17.de4 Be4 18.Qc1–/+) 15.Re1–/+ Nf4 16.h3 (16.Qb3 Qf6 17.Rab1 Rfd8–/+) 16...Bh5 (16...Bf3 17.Nf3 Qd5 18.Bf1–/+) 17.Kh2 (17.Qb1 Qd5–/+) 17...Nd3 (17...Bg6 18.Bf1–/+) 18.Bd3 Qd3 19.Re3 (19.Ne5 Ne5 (19...Bd1?! 20.Nd3 Bc2 21.Nb4=) 20.Qh5 Qd2 21.Qe5 Qf2+=) 19...Qf5 (19...Qd6 20.Kg1–/+) 20.Qf1 (20.Qb1 Qf4 21.g3 Qf6–/+) 20...Bf3 (20...Rfd8 21.Rae1–+) 21.Rf3 (21.Nf3 e4 22.Nd2 Rfe8–/+) 21...Qd7 22.Rd3 Qc7 (22...Qe7 23.Nc4–/+) 23.Rg3 (23.Kg1 Rfd8–/+) 23...f5 (23...Rfd8 24.Qe1–+) 24.Qc4–/+ Kh8 25.Rc1 (25.Rd1 Rfd8–/+) 25...e4 26.Kg1 Qe5 (better is 26...Qd6 27.Qa2 Nd4–/+) 27.Rg5? (27.Rgc3!?–/+) 27...e3 (27...Qf4!? 28.Nf3–+) 28.Nf3 ef2 (28...Qe7 29.Qf4–+) 29.Kf2 Qf6 (29...Qb2!? 30.Kg1 Qa3–+) 30.Qc3–/+ h6 31.Rh5 (31.Rg3 f4 32.Rg4 Qe7–/+) 31...Kh7 32.Qe3 (32.Kf1 g5! 33.Kf2 Qc3 34.Rc3 f4 35.Ng5 Kg6–+) 32...Qg6 (better is 32...Qb2!? 33.Kg1 Ra3–+) 33.Rh4–/+ f4! 34.Rf4 (34.Qb3 Ra7–/+) 34...Rf4 (34...Ra3 35.Qa3 Rf4 36.Kg1–/+) 35.Qf4 Ra3 36.Nh4 Ra2 37.Kg1 Qe6 (37...Qd3 38.Nf3–/+) 38.Nf3 (38.Rb1 Ra7–/+) 38...Re2 39.Rb1?? (39.Kh2 Qg6 40.Nh4 Qe8–/+) 39...Qd7 (better is 39...Qg6 40.Ng5 hg5–+ (worse is 40...Qg5 41.Qg5 hg5 42.Rb7–+)) 40.Qc4–/+ Re7 41.Qc2 g6 42.Rd1 (42.Qb2 Qd3–/+) 42...Qf5 (42...Qe6 43.Re1 Qd6 44.Rd1–/+) 43.Qf5 gf5 44.Rb1 (44.Rd5 Rf7–/+) 44...Kg6 (44...f4 45.Kf2–/+) 45.Kf2 (45.g3 Kf7–/+) 45...f4 46.Rb6 Kf5 47.Nh4 (47.Rb5 Kf6–/+) 47...Ke4 48.Nf3 Rd7 (48...Kd3 49.Rb5–/+) 49.Ke2 (49.Rb2 Rc7–/+) 49...Kd5 (49...Rf7 50.Nd2 Kd5 51.Rb5 Kd4 52.Rh5–/+) 50.Rb5 Kc4 51.Rf5 (51.Rh5 Re7 52.Kf1 Re6–/+) 51...Nd4 52.Nd4 Rd4 (52...Kd4?! 53.Rf4 Kc5 54.g4=) 53.Rh5 b5 54.Rh6 b4 55.Rc6 Kb3 (55...Kd5 56.Rb6–/+) 56.Kf3 (56.h4!? f3 57.Kf3 Rh4 58.g4=) 56...Rc4 57.Rb6 (57.Rc4 Kc4 58.Ke2 Kc3–+) 57...Kc2 58.h4 b3 59.Re6?? (better is 59.h5–/+) 59...b2–+ 60.Re2 (60.Re1 b1Q 61.Rb1 Kb1–+) 60...Kb3 61.Re8 (61.Rb2 Kb2 62.Kg4–+) 61...b1Q 62.Rb8 Rb4 63.Rd8 Qf1 0–1. tightfist (2205) – ostefrec (2430), net–chess.com, 2008.

5.Bf1 d5 =.

5.Be2 d5

6.ed5 ed5 7.Nf3 Nf6 8.0–0 Bd6 9.Bb2 A) 9...b5 A1) 10.Nc3 0–0 (10...Ra5 11.a4 b4 12.Na2 Ra4 13.c3 bc3=; 10...Be6 11.Re1 0–0 12.a4 b4 13.Nb1 Re8+=; 10...Nbd7 11.a4 b4 12.Na2 Ra4 13.c3 Nb6=; 10...b4 11.Nb1 0–0 12.Re1 Re8 13.a3 ba3+=) 11.Re1 Ne4 12.d3 Nc3 13.Bc3 Re8+=; A2) 10.Be5 0–0 11.d4 Re8 12.Re1 Bg4 13.Bd6 Qd6+=; A3) 10.Re1 0–0 11.a4 ba4 12.c4 dc4 13.Ra4 Ra4+=; B) 9...b6 B1) 10.Re1 0–0 11.Be5 Bg4 12.d4 Re8 13.Bd6 Qd6+=; B2) 10.Bd4 Nbd7 (10...Bf5 11.Nc3 0–0 12.Qb1 Nbd7 13.Re1 Re8+=; 10...b5 11.Re1 0–0 12.c3 Bg4 13.d3 Re8+=; 10...0–0 11.Re1 Re8 12.Nc3 Ne4 13.d3 Nc3+=) 11.Nc3 0–0 12.Re1 Ne4 13.Bd3 Nc3+=; B3) 10.Nc3 Qc7 (10...Nbd7 11.Re1 0–0 12.h3 Ne4 13.Bd3 f5+=; 10...Be6 11.Re1 0–0 12.a4 Ne4 13.Ne4 de4+=; 10...0–0 11.Re1 Re8 12.a4 Nbd7 13.h3 Ne5+=) 11.h3 0–0 12.Re1 Nbd7 13.d4 Re8–/+; B4) 10.Be5 0–0 (10...Bf5 11.Re1 0–0 12.d4 Re8 13.Bd3 Ne4+=; 10...Bg4 11.Re1 0–0 12.d4 Re8 13.Bd6 Qd6+=) 11.d4 Re8 12.Re1 Bg4 13.Bd6 Qd6+=; B5) 10.Bd3 0–0 (10...Be6 11.Nd4 0–0 12.Ne6 fe6 13.Re1 Qc7+=) 11.Re1 Na6 12.Nd4 Nb4 13.Be2 Qc7+=; C) 9...0–0 C1) 10.Re1 Re8 (10...Nbd7 11.Bd4 c5 12.Bb2 Qb6 13.Bc1 Ne5+=; 10...b6 11.Be5 Bg4 12.Bd6 Qd6 13.d4 Re8+=; 10...b5 11.a4 ba4 12.c4 dc4 13.Ra4 Ra4+=) 11.a4 b6 12.Bd4 Nbd7 13.c4 Nc5+=; C2) 10.a4 Nbd7 (10...Re8 11.Re1 b6 12.Nc3 Nbd7 13.Qb1 Qc7–/+; 10...b6 11.Re1 Re8 12.Nc3 Nbd7 13.Qb1 Ne5+=; 10...Bg4 11.Nc3 Re8 12.Re1 Ne4 13.Bd3 Bf5+=; 10...Be6 11.Re1 Re8 12.Nc3 Bc5 13.d4 Bb4+=) 11.Re1 Re8 12.Nc3 Ne4 13.Ra2 Ndc5–/+; C3) 10.Nc3 Qb6 (10...Re8 11.a4 Bc5 12.d4 Bb4 13.Ne5 Nbd7+=; 10...b6 11.Re1 Re8 12.a4 Nbd7 13.h3 Ne5+=; 10...Qc7 11.h3 Re8 12.Re1 Bf5 13.Nd4 Bg6+=) 11.Bc1 d4 12.Nb1 Re8 13.Re1 Be6–/+; C4) 10.Be5 Re8 (10...Be5 11.Ne5 Re8 12.d4 Qb6 13.a4 Nbd7+=; 10...b5 11.d4 Re8 12.Re1 Bg4 13.Bd6 Qd6+=; 10...Bg4 11.Re1 Bf3 12.Bf3 Be5 13.Re5 Qd6+=; 10...b6 11.d4 Re8 12.Re1 Bg4 13.Bd6 Qd6+=) 11.d4 Be5 12.Ne5 Qb6 13.a4 Nbd7+=.

6.ed5 ed5 7.Nf3 Nf6 8.0–0 Bd6 9.c4 0–0 (9...dc4 10.Bc4 (10.Re1 0–0 11.Bc4 b5 12.Bb3 c5 13.d3 Bg4+=) 10...0–0 11.d4 b5 12.Bd3 Re8 13.Re1 Re1+=) 10.d4 (10.Bb2 dc4 11.Bc4 b5 12.Bb3 Bg4 13.Re1 Nbd7+=; 10.Re1 dc4 11.Bc4 b5 12.Bb3 Bg4 13.d4 Bb4+=) 10...dc4 += (withdrawal, 0–1). Lacassagne,Jean – Boronka,Joseph, corr TKM/A008, 2000.

6.ed5 ed5 7.Nf3 Nf6 8.0–0 Bd6 9.d4 A) 9...b5 A1) 10.Re1 0–0 (10...Be6 11.Bd3 0–0 12.Bg5 Nbd7 13.Ne5 Qc7+=) 11.Bg5 h6 12.Bh4 Nbd7 13.Qd3 Re8+=; A2) 10.Bg5 Nbd7 (10...h6 11.Bh4 0–0 12.Re1 Nbd7 13.Bd3 Re8+=; 10...0–0 11.Bd3 h6 12.Bh4 Re8 13.Re1 Nbd7+=) 11.Re1 0–0 12.Bd3 Re8 13.Re8 Qe8+=; A3) 10.Ne5 Ne4 (10...0–0 11.Re1 Re8 12.Bd3 Qc7 13.Bf4 Na6+=) 11.Be3 0–0 12.f3 Nf6 13.Bd3 Re8+=; A4) 10.Bd3 0–0 11.Re1 Re8 12.Bg5 Nbd7 13.Re8 Qe8+=; B) 9...b6 B1) 10.Ne5 Qc7 (10...Bf5 11.Re1 0–0 12.Bf4 Re8 13.Bd3 Bd3+=; 10...0–0 11.Bf4 Re8 12.Re1 Ne4 13.f3 Qf6+=) 11.Bf4 0–0 12.Nd2 c5 13.c3 Nc6–/+; B2) 10.Bd3 0–0 11.Re1 Re8 12.Re8 Qe8 13.Nbd2 Bg4+=; B3) 10.Bg5 h6 (10...0–0 11.Re1 h6 12.Bh4 Re8 13.Bd3 Nbd7+=; 10...Nbd7 11.Nbd2 0–0 12.c4 Qc7 13.Qc2 h6+=; 10...Bf5 11.Re1 0–0 12.c4 dc4 13.Bc4 h6=) 11.Be3 0–0 12.c4 dc4 13.Bc4 Re8+=; B4) 10.a4 0–0 (10...Bf5 11.Re1 0–0 12.Nh4 Be6 13.Bd3 Qc7+=