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1.b4 b5

(...)

2.a3 a5 3.c3 a4 4.Nf3 f6 (4...d5!?=) 5.d4 Nh6 (better is 5...d5!?+/–) 6.e4 e6 (6...c6+–) 7.Bb5 Bd6 8.Bh6 gh6 9.e5 fe5 10.de5 (worse is 10.Ne5 0–0+–) 10...Be7 11.Ba4 0–0 12.Bc2 Bb7 13.Qd3 Rf7 14.0–0 (14.Nbd2 Bg5+–) 14...d5 (14...Bf3 15.gf3 d5 16.f4+–) 15.Nbd2 Nc6 16.Nb3 Rg7 17.Kh1 Qe8 18.Rg1 Qf7 19.Nbd2 Rf8 20.Rae1 d4 (20...Nd8+–) 21.cd4 (21.Nd4?! Nd4 22.cd4 Qf2+–) 21...Bg5 22.Ne4 Bf4 23.Nf6 Kh8 24.g3 (better is 24.Qc3!? Ne7+–) 24...Ne5? (better is 24...Nd4!? 25.Ne4 Nc2 26.Qc2 Bg3 27.Rg3 Rg3 28.hg3 Qf3 29.Kg1 Rf5+/–) 25.de5 (better is 25.Re5 Bg5 26.Ne4 Qf3 27.Qf3 Rf3 28.Nc5 (28.Re6?! Re7 29.Re7 Be7+–; 28.Ng5?! hg5 29.Be4 Be4 30.Re4 Ra3+–) 28...Rf2 29.Be4 Be4 30.Re4+–) 25...Bf3?? (better is 25...Be5 26.Ne4 Qf3 27.Qf3 Rf3+–) 26.Qf3 Bg5 27.a4 Bf6 28.ef6 Rg5 29.Qe4 Rf5 30.Qe6 Rf6 31.Qf7 R6f7 32.f4 Kg7 33.a5 h5 34.b5 h4 35.gh4 Kh8 36.f5 Rb8 37.Bd3 h5 38.Rg5 Rh7 39.f6 Rd8 40.Bh7 Kh7 41.Rg7 Kh6 42.Reg1 Rd1 43.Rd1 c6 44.Rdg1 cb5 45.R1g6# 1–0. greenbook – pikelet, ChessWorld.net, 2012.

2.a3 d5 (--> 1.b4 d5 2.a3 b5).

2.a3 d6 3.Bb2 Bf5 4.Nf3 e6 5.e3 Bg4 6.Be2 d5 7.Nd4 Be2+= 8.Qe2 Qf6? 9.Qb5+– c6?? 10.Qb7 e5 11.Qa8 Qd8 12.Nc6 Nc6 13.Qc6 Qd7 14.Qa8 Qd8 15.Qa7 e4 16.Qd4 Ne7 17.0–0 Nf5 18.Qe5 Ne7 19.Qg3 f6 20.Qg4 Nc6 21.Qe6 Ne7 22.Qg4 f5?? 23.Qh5+– g6 24.Qe2 Rg8 25.Bf6 Kf7 26.Be7 Be7 27.c4 d4 28.Ra2 d3 29.Qd1 Kf8 30.Nc3 Rg7 31.Nd5 Bb4 32.ab4 g5 33.f3 f4 34.fe4 h6 35.ef4 Rh7 36.fg5 Kg7 37.gh6 Kh6 38.Ra6 Kg5 39.Rf5 Kh4 40.g3 Kh3 41.Nf4 1–0. ahmed sharkawy_1 – crome, ChessWorld.net, 2005.

2.a3 e5 (--> 1.b4 e5 2.a3 b5).

2.Na3 a5 3.ba5 Ra5 4.Nc4?? (4.Rb1 Ba6 5.c4 bc4=+) 4...Ra8 (4...bc4 5.Bb2–+) 5.h4?? h5 6.Ne5 f6?? 7.Nd3?? c5 8.Nc5+= d6 9.Nd3 e5 10.f4 g5 11.hg5+/– fg5 12.fg5 Qg5 13.e4 Nc6 14.Nf3 Qg3 15.Ke2?? Nd4–+ 16.Ke3?? Nf6 17.Be2 Nf3 18.Bf3–+ d5 19.Ke2?? Bg4 20.Rf1?? de4–+ 21.Rf2 Bf3 22.Rf3 ed3 23.Rd3 Qg2 24.Ke1 Qg1 25.Ke2 Qg2 26.Ke3?? Nd5 27.Rd5 Qd5 28.d3 Rg8 29.Qh5 Ke7 30.Ke2 Rg2 31.Kd1 Bh6! 32.Bh6 Rag8 33.Kc1 Qd4 34.Rb1 Rg1 35.Kd2 R8g2 36.Qe2 Re2 37.Ke2 Rb1 38.Bd2 Qg4 39.Kf2 Ke6 40.Ke3 Kd5 41.Kf2 Rb2 42.Kf1 Rc2 43.Kf2 Rd2 44.Ke3 Qf4 0–1. Sarararing – Putte8, Live Game Caissa's Web, 2004.

2.Na3 a6 3.e3 e5 4.c4 c6 5.Qb3 d6 6.cb5 (6.d4 d5 7.cd5 ed4 8.ed4 Qe7 9.Kd1 Qb4+=) 6...ab5+= 7.Bd3 Be6 8.Qc2 Ra4 (8...d5 9.Rb1–/+) 9.h3 (9.Nb5!? Rb4 10.Nc3+=) 9...Rb4 10.Ne2 (better is 10.Bh7 Ra4 11.Bf5 Bf5 12.Qf5–/+) 10...e4?? (better is 10...Qg5 11.Ng3 Nf6–+) 11.Be4= d5 12.d4?? (12.Bh7 Ra4 13.Bg8 Ba3 (worse is 13...Rg8 14.Qh7 f6 15.Nc2+=) 14.Ba3 Ra3–/+) 12...Nf6?? (better is 12...de4 13.Qe4 Ra4–+) 13.Bf3 Ra4 14.Nc3? Ra5 15.0–0?? Ba3–+ 16.Bd2 Bb4 17.Ne2 Bd2 18.Qd2 Ne4 19.Be4 de4 20.Nf4 Bf5 21.g4 Qg5 22.Qa5+– Bg4? 23.hg4 Qg4 24.Ng2 0–0 25.a4 Qg5 26.f4 Qg6 27.ab5 Nd7 28.f5 Qg5 29.bc6 Nb8 30.c7 Nc6 31.Qc5 Ne7 32.d5 Nf5 33.c8Q Ne7 34.Qb7 Qe5 35.Qbe7 Qe7 36.Qe7 g6 37.d6 h5 38.d7 Rb8 39.Qf7 Kh8 40.Qg6 Rg8 41.Qh5 Kg7 42.Qe5 Kh6 43.Qf6 Kh7 44.Ra7 Rg7 45.Kf2 Rg6 46.d8Q Kh6 47.Qdh8# 1–0. Eries – Mark_Peck, ChessWorld.net, 2012.

2.a4 c5 3.bc5+/– Qa5 4.e4 e5 5.Bb5 Bc5 6.Qh5 Qc7 7.Qg5 Bf8 8.Nc3 a6 9.Nd5+– Qc2 10.Qe5 Ne7?? 11.Ne7 Be7 12.Ba3 0–0 13.Qe7 h6 14.Qf8 Kh7 15.Be2 Bb7 16.Qf7 Be4 17.Rc1 Qc1 18.Bc1 Nc6 19.Bb2 Rg8 20.Nf3 Bg6 21.Qd7 (21...Nb4 22.Ng5 Kh8 23.Ne6 Nc2 24.Kd1+–) 1–0. Jung – Braun, Vereinsturnier Baden, 1991.

2.a4 d5 3.ab5+/– e6 4.e3 (4.c3 Bd6+/–) 4...Bb4+= 5.Bb2 (5.Qg4 Bf8+=) 5...Nf6= 6.Nf3 Nbd7 (6...0–0 7.Ne5=) 7.c3 (7.Be2 Bd6+=) 7...Be7 (7...Bd6 8.Ba3+=) 8.d4 Nb6 (8...Bb7 9.Ba3=) 9.Bd3+= a5 (better is 9...Bb7!?+=) 10.ba6+/– Nc4 (10...c5 11.dc5 Bc5 12.Ba3+/–) 11.Bc4+– dc4 12.Nbd2 (better is 12.Qa4!? Bd7 13.Qc4+/–) 12...Ba6+/– 13.Qa4 Nd7 14.Nc4 (14.Qc6 Qc8+=) 14...0–0 15.Ncd2 Bb7 (15...Bd3 16.Qa8 Qa8 17.Ra8 Ra8 18.Kd1=) 16.Qd1 Nf6 17.0–0 Ne4 (17...Ra1 18.Ba1 Qa8 19.c4+=) 18.Ne4 Be4 19.c4 Qb8 20.Ra8 Ba8 21.Qe2 (21.Bc3 Bf3 22.Qf3 Qb3+=) 21...Qb7 (21...Bf3 22.gf3 c5 23.Rd1+=) 22.Rc1 White plans c5 22...Bd6 (22...Rb8 23.Ra1+=) 23.c5+/– Be7 24.Qc4 0–1. Fournier,Frederic – Cadet,Yves, Active Game Noyon FRA, 1995.

2.a4 g5 3.Bb2 Bb7?? 4.Bh8+– Nc6 5.c3 Bh6 6.ab5 Nb8 7.e3 f6 8.Qh5 Kf8 1–0. marekt – Earnhardt38, uChess rated, 2005.

2.a4 g6 3.ab5 Bg7 4.Nc3 Bc3 (better is 4...Nf6!?+/–) 5.dc3+– c6 (5...Nf6 6.Nf3+–) 6.Qd4 (better is 6.bc6 dc6 7.Qd8 Kd8 8.e4+–) 6...cb5?? (6...Nf6 7.Ra7 c5 8.Qc5 d6+–) 7.Qh8 e6 8.Qg8 Ke7 9.Bg5 f6 10.Bf6! Kf6 11.Qd8 (11.Qd8 Kg7 12.Qc8+–) 1–0. pierre – opponent, internet, 2008.

2.Bb2 Ba6 3.Nf3 c6 4.e4 d5 5.ed5 Qd5 6.Nc3 Qd6 7.Ne4 Qd8 8.Bd3 e6 9.0–0 Nd7 10.Nfg5 Ngf6 11.Nf6 gf6 12.Ne4 Bh6 13.Qf3 Rg8 14.Nd6 Kf8 15.Rfe1 Bd2 16.Bh7 Rg5 17.Red1 Bb4 18.h4 Rg7 19.Be4 Bd6 20.Rd6 Rc8 21.Rad1 Qe7 22.Rd7 Qe8 23.Bf6 Rg8 24.Bh7 e5 25.Bg8 Qd7 26.Rd7 Re8 27.Qa3 Re7 28.Rd8# 1–0. guest61 – guest761, ICC, 1999.

2.Bb2 c5 3.a3 d5 4.g3 e5 5.Be5 f5 6.Bg2 Qd6?? 7.Bd6+– Nc6 8.Bf8 g5 9.Bg7 h5 10.Bh8 a5 11.Bd5 h4 12.Bc6 Kd8 13.e3 g4 14.Ba8 f4 15.Nc3 c4 16.Nb5 ab4 17.ab4 c3 18.dc3 Ke8 19.Bc6 Bd7 20.Qd7 Kf8 21.Qg7# 1–0. coloplayah (2140) – useridzero, net–chess.com, 2006.

2.Bb2 f5 3.Nf3 (3.e3 Bb7+/–) 3...f4 (3...Nf6 4.e3 a6 5.a4+=) 4.Nc3 c6 5.e4 (5.a4 ba4 6.e4 fe3 7.de3 d6+/–) 5...Qb6 (5...fe3 6.de3 a5 7.ba5+=) 6.Be2 (6.Ne2 Nf6+/–) 6...Na6 (6...a5 7.ba5 Qa5 8.a3+=) 7.a3+/– Bb7 8.d3 (White claimed a win on time, 1–0). Duncanguy – xorb, ChessWorld.net, 2013.

2.Bb2 g6?? 3.Bh8+– Nf6 (3...f6 4.d4 Nh6 5.Qd3+–) 4.g3 (4.a4 Nc6+–) 4...Bb7 5.Nf3 Nc6 6.Bg2 Bh6 (6...Nb4 7.Nc3+–) 7.0–0 Kf8 8.Bf6 ef6 9.d4 d5 10.Nbd2 Qe7 11.c3 Re8 12.Re1 f5 13.e3 Qe6 14.Nb3 Rb8 15.Nc5 Qc8 16.Ne5 Ne5 17.de5 Qd8 18.Nb7 Rb7 19.Bd5 Rb6 20.Qb3 Bg7 21.f4 c6 22.Bf7# 1–0. pumpkin (2330) – bcaley, net–chess.com, 2007.

2.Bb2 h5 3.e3 Bb7 4.a4 c6 5.Nf3 ba4 6.Ra4 d5 7.Be2 Nf6 8.0–0 g6 9.b5 Bc8 10.Bf6 ef6 11.bc6 Nc6 12.Bb5 Qd7 13.Nd4 Bb7 14.Ra6 Rc8 15.Ra7 Na7 16.Bd7 Kd7 17.Nc3 Bg7 18.Qb1 Ba6 19.Nd5 Rb8 20.Qa1 Bf1 21.Qa7 Kd6 22.Qc7 Kd5 23.Qc6 Ke5 24.f4# 1–0. Bonetti,Shane – Jockel (1685), ICC, 2002.

2.Bb2 h6 3.e3 a6 4.c4 bc4 5.Bc4 Nf6 6.Nf3 e6 7.0–0 Nc6 (better is 7...Bb4!? 8.Ne5 0–0+=) 8.a3+= d5 9.Bb3 Bd6 10.h3 0–0 11.Nc3 Ne7 12.Rc1 c6 13.Ne2 Ne4 14.d3 Nf6 15.Ng3 Bg3 16.fg3 Ng6 17.Ne5 Ne5 18.Be5 Nd7 19.Bd6 Re8 20.Rc6 Bb7 (better is 20...Nb8 21.Bc7 Qg5+–) 21.Rc7 Bc8 (21...Rb8 22.Ba4 Nf6 23.Be8 Ne8 24.Qh5 Qd6 25.Qf7 Kh7 26.Rb7 Rb7 27.Qb7 (27.Qe8?! Rb8 28.Qf7 a5+–) 27...Qg3 28.Rf3+– (28.Qa6?! Qe3 29.Kh2 Qe2+–)) 22.Qh5 f6 23.e4 de4 24.de4 Ne5 (24...a5 25.e5 f5+–) 25.Be5 a5 (25...Re7 26.Rf6! Rc7 27.Rh6 Rc1 28.Kh2 gh6 29.Qg6 Kf8+–) 26.Qf7 Kh8 (26...Kh7 27.Qg7) 27.Qg7 1–0. alaamattar (2240) – valerypavlovich (2100), net–chess.com, 2013.

2.c3 a5 3.ba5 e5 4.e4 Ra5 5.d4 =.

2.c3 Ba6 3.e3 Nc6 (3...Nf6 4.Nf3+=) 4.Bb2 (4.a4 Bb7 5.ab5 Nb8+–) 4...e5 (4...Bb7 5.Nf3 a6 6.a4 ba4 7.d4+=) 5.Nf3 (5.a4 Bb7 6.ab5 Nce7+/–) 5...Qe7 (5...e4 6.Nd4+=) 6.d3 (6.a4 Nd8+/–) 6...g6 (6...Bb7 7.a4 ba4 8.Ra4+=) 7.Be2 Bh6 (7...Bg7 8.a4 ba4 9.Nbd2+/–) 8.Nbd2 Rc8 (8...Bb7 9.a4 a6 10.0–0+/–) 9.0–0 (9.a4 ba4 10.Ra4 Bb5+–) 9...d6 (9...Bb7 10.a4 a6 11.ab5 ab5 12.Nb3+/–) 10.a3 (10.a4 Nd8+–) 10...Rd8 (10...g5 11.a4 g4 12.Ne1+–) 11.e4 f5 12.ef5 gf5 13.Rc1 Nd4?? 14.cd4+– ed4 15.Nd4 Nf6 16.N2f3 Bc1 17.Bc1 Rg8 18.Bb2 Bb7 19.Re1 h5 20.Nb3 f4 21.Nc5! dc5 22.bc5?? Nd7?? 23.d4 Nc5?? 24.dc5 Rd1–+ 25.Rd1?? Qe2 (25...Qe2 26.Re1 Rg2 27.Kh1 Qe1 28.Ne1 Rf2 29.Kg1 Rb2–+) 0–1. Fournier,Frederic (1975) – eqg (1705), Active Blind, 2008.

2.c3 Bb7 3.f3 e5 4.e4 a6 5.Bd3 (5.a4 ba4 6.Qa4 Nc6=) 5...d5 6.Bc2 (6.ed5!? Bd5 7.a4=) 6...de4–/+ 7.Be4 Be4 8.fe4 Qh4 9.g3?? (better is 9.Kf1–/+) 9...Qe4–+ 10.Qe2 Qh1 11.Qe5 Ne7 12.Kf2 (12.Kf1 Qh2 13.Qc7 Nbc6–+) 12...Qh2 13.Kf1 c6 14.Qc7 (14.a4 ba4 15.Qe3 h5–+) 14...Nd7 15.d4 Rc8 (better is 15...Nf5!? 16.Bf4 Qb2 17.Qc6–+) 16.Qf4 Qh5 17.Nd2 Qf5 (17...Nd5!? 18.Qf2–+) 18.Qf5 Nf5 19.Kg2 Bd6 20.Ne4 Bc7 21.Nc5 (21.a4 h5–+) 21...Nc5 22.bc5 Ng3 23.Bg5 (23.Kf3 f5–+) 23...0–0 24.Be7 Rfe8 25.Bh4 Ne2 26.Nh3 (26.Ne2 Re2 27.Kf1 Rce8–+) 26...Nc3 27.a3 Re2 28.Nf2 Ne4 (28...Rce8 29.Kf1–+) 29.a4 (29.Kf3 Rf2! 30.Bf2 f5–+) 29...ba4 30.Kf3 Rf2! 31.Bf2 Nf2 32.Kf2 h5 33.Rh1 g6 34.Ra1 g5 35.Ra4 a5 36.Ra3 (36.Ra1 h4–+) 36...f5 37.Re3 (37.Rf3 Rf8–+) 37...Kf7 38.Kf3 g4 39.Kg2 f4 40.Re4 (40.Re1 Re8 41.Rb1 f3 42.Kg1 Bg3–+) 40...f3 41.Kf2 Re8 42.Re8 Ke8 43.Ke3 a4 (43...a4 44.d5 cd5–+) 0–1. edog13 – Duke of Wellington, ChessWorld.net, 2015.

2.c3 e5 3.e3 a6 (3...a5 4.Bb5 ab4 5.cb4=) 4.f4 (4.a4 Bb7=) 4...ef4 5.ef4 Nf6 6.Qf3 c6 7.Nh3 (7.a4 Qe7 8.Ne2 d6=) 7...h6 (7...d5 8.a4 Qe7 9.Be2=+) 8.f5 Be7 9.a3 (9.a4 ba4 10.Ra4 d5=) 9...d5=+ 10.Bd3 0–0 11.0–0 d4 (11...a5 12.Bb2–/+) 12.c4 Nbd7 (12...Re8 13.Re1=) 13.cb5 ab5 (13...Ne5 14.Qg3 Qd6 15.b6=) 14.Qc6+= Rb8 15.Bb5?? (better is 15.Qc2+=) 15...Ne5–+ 16.Qc2 Rb5 17.Nf2 (17.Bb2 d3 18.Qa4 Qb6 19.Kh1 Nc4–+) 17...d3 18.Nd3 (18.Qd1–+) 18...Nd3 19.Qc4 (19.Kh1 Rf5 20.Rf5 Bf5–+) 19...Ba6 (19...Qb6 20.Kh1 Nf2 21.Kg1 N2e4 22.d4 Bf5 23.Nc3 Nc3 24.Qc3–+) 20.Nc3 (20.Qh4 Re5 21.Kh1 Ne4–+) 20...Rb6 (20...Rf5 21.Qf7 Rf7 22.Rf5 Qd4 23.Kh1 Nf2 24.Rf2 Qf2 25.h3 Bf1 26.d4 Qg2) 21.b5 Bc8 (21...Bb7 22.Kh1 Nc1 23.Rfc1 Qd2 24.Qe2 Qe2 25.Ne2 Rb5 26.a4–+) 22.a4 Ne5 (better is 22...Bc5!? 23.Kh1 Nf2 24.Kg1–+) 23.Qe4 Bd6 (24.Qc2 Neg4–+; better is 23...Ne4 24.a5 Qd4 25.Kh1 Nf2 26.Rf2 Qf2–+) 0–1. sbderkach (1680) – iboyd (1950), net–chess.com, 2006.

2.Nc3 d5 3.Nb5 Ba6 4.Nc3 c6 5.Nf3 (5...Nf6 6.a3+/–). fiddler – oasis, chessHere.com, 2006.

2.Nc3 e6 3.Nb5 Nc6 (3...a6!? 4.Nd4 e5=) 4.c3 d5 5.d3 Ba6 6.Na3 Ne5?? (6...Bd6 7.Rb1 Bb7 8.Nb5+/–) 7.d4 (7.Qa4 Nd7 8.Qa6 c5+–) 7...Ng6?? (7...Nd7 8.Qa4 Bb7 9.Qb5+/–) 8.Be3 (8.Qa4 Qd7 9.Qa6 c6+–) 8...Bd6?? (8...Qd7 9.h4+=) 9.Nf3 (9.Qa4 Qd7 10.Qa6 Nf6+–) 9...Nf6?? (9...Qd7 10.h4+=) 10.Qd2 (better is 10.Qa4 Qd7 11.Qa6+–) 10...Ne4 11.Qc2 Be7?? 12.b5?? Bb7 13.g3?? Ba3–+ 14.b6 ab6 15.h4 e5! 16.de5 c5 17.Bg5 f6 18.ef6 gf6 19.Be3 Rc8 20.h5?? Ne7?? 21.Bh6?? c4?? 22.Qa4+= Bc6 23.Qa3 Ra8 24.Qb4 Rb8 25.Bg7 Rg8+/– 26.h6 Nf5 27.Nd4 Ned6?? 28.Nc6+– Qc7 29.Nb8 Qb8 30.Bf6 Qc8 31.Qb6 Kf7 32.Qa5 Kf6 33.Qd5 Re8 34.Bh3 Qe6 35.Qd2 Ne4 36.Qf4 Ned6?? 37.a4 Qe2 0–1. allknight – dumbroad, ChessWorld.net, 2012.

2.c4 c5 3.cb5 cb4 4.e4 Nf6 5.e5 Nd5 6.h4 e6 7.Bc4 (7.d4 d6=) 7...a6 (7...Qc7 8.Be2–/+) 8.ba6 Ba6 9.Bd5 ed5 10.Qa4 (10.Bb2!?+=) 10...Nc6 11.Nf3 Bc5 12.Ng5?? (better is 12.Bb2–/+) 12...0–0 (better is 12...Ne5!? 13.d4 Nd3 14.Kd2 Bd4 15.Rh3–+) 13.a3?? (better is 13.Qc2 g6 14.Qc5 Ne5 15.Kd1=) 13...h6 14.Nh3?? Qe7 15.ab4 Bb4 16.f4 d4 1–0. elgr – erikerik, gameknot.com, 2012.

2.d3 a5 3.ba5 c5 4.e4 =.

2.d3 a6 3.e4 e5 4.Nf3 f6 (4...Bb4 5.c3 Bd6 6.Be2+=) 5.c4 (5.Ne5!? Bb4 6.c3 fe5 7.Qh5 Kf8 8.cb4=) 5...bc4 (5...Bb4 6.Bd2 Bd2 7.Nbd2 bc4 8.Nc4–/+) 6.dc4 (6.a3!? Bb7 7.Nc3=) 6...Bb4+= 7.Nbd2 Bd2 8.Bd2 c5 9.Be3 Qb6 10.Qd5 Bb7 11.Qd3 d6 12.Rb1 Qa5 13.Bd2 Qa2?? (better is 13...Qc7=) 14.Rb7+– Ne7 15.Qd6 Nbc6 16.Qc5 Rd8 17.Nh4 (better is 17.Be2+–) 17…Qd2# 0–1. desjostedt – donsjostedt (1695), net–chess.com, 2013.

2.d3 Nc6 3.c3 d5 4.a4+= Bd7 5.ab5 Ne5 6.Ra5 c5 7.bc6 Bc6 8.f4 Ng4 9.e3 N8f6 10.h3 Nh6 11.Nf3 Nf5 12.g4 Nd6 13.Ne5 Bb7 14.Qa4 Nd7 15.Ra7 Ra7+/– 16.Qa7 Bc8 17.Qa4 g6 18.c4 Bg7? 19.Nc6 Qc7 20.c5 Nb7 21.d4 Nf6 22.Na7 Bd7 23.Bb5 Bb5 24.Nb5 Qd7 25.Nc7 Kd8 26.c6 Qc7 27.Qa8 Qc8 28.cb7 Qa8 29.ba8Q Kd7 30.Qb7 Kd8 31.Nc3 Nd7 32.Nd5 e6 33.Qc7 Ke8 34.Qc8# 1–0. UPS – paul, mySchach.de, 2005.

2.d4 a6 3.e4 (3.a4 Bb7+=) 3...Bb7 4.Nc3 d6 (better is 4...Nf6!? 5.e5 Nd5 6.Nd5 Bd5=) 5.Nf3 (5.a4 Nd7 6.ab5 ab5 7.Ra8 Qa8 8.Nb5 Qb8+/–) 5...Nc6 (5...Nf6 6.Bd3+/–) 6.a3 (6.d5 Ne5 7.a4 ba4 8.Ne5 de5+–) 6...h6 (6...g6!?+/–) 7.d5+– Nb8 (7...Ne5 8.a4 ba4 9.Ne5 de5 10.Ra4+/–) 8.Bb2 (8.a4 c6+–) 8...Nf6+/– 9.Bd3 Bc8 (9...c6!?+/–) 10.h3 Bb7 11.0–0 Nbd7 12.Re1 (12.Qe2 Qc8+–) 12...Nh5 (12...g6 13.a4 ba4 14.Ra4+–) 13.e5 (13.a4 ba4 14.Ra4 g6+–) 13...Nf4? (13...de5 14.Ne5 Ne5 15.Re5+–) 14.ed6 (better is 14.e6 Nf6 15.Nd4 N6d5 16.Qf3+–) 14...cd6 15.Bf5 Nb6 16.Be4 Nc4+/– 17.Bc1 Ng6? 18.Bg6+– fg6 19.Nd4 Qd7 20.Ne6 Rc8 21.Qg4 g5?? 22.Qh5 (22.Qh5 g6 23.Qg6#) 1–0. pillsbury (2070) – grahamtrue (2135), net–chess.com, 2009.

2.d4 c6 3.e4 e6 4.d5 (4.a4 Bb4 5.c3 Bf8+=) 4...e5 (better is 4...ed5!? 5.ed5 Bb4 6.c3 Bc5–/+) 5.dc6 d6? (better is 5...Bb4 6.c3 Be7=) 6.Bc4?? (6.Bb5!? Qc7+–) 6...a6?? (better is 6...bc4 7.Qd5 Qc7–+) 7.Bd5 (7.Bf7!? Kf7 8.c7 Qc7 9.Qd5 Ke8 10.Qa8=) 7...Qc7+/– 8.Bd2 Nf6 9.f3 Nc6 10.c3 (better is 10.Nc3!?=) 10...Nd5–/+ 11.ed5 Ne7 12.Be3 Qc4 13.Ne2 Nd5 14.Nd4?? (better is 14.Qd2–+) 14...Ne3 15.Qd2 Nd5 (better is 15...ed4 16.Kf2 Nd5 17.Re1 Be7 18.cd4 Qb4 19.a3 Qd2 20.Nd2–+) 16.Na3 (16.Ne2–+) 16...Qc7 (better is 16...Qc3 17.Qc3 Nc3 18.Ne2–+) 17.g4 (17.Ndb5 ab5 18.Nb5–+) 17...ed4 18.cd4 Qe7 19.Qe2 (19.Kd1 Qf6 20.Ke2 Bb7–+) 19...Qe2 (19...Nb4!? 20.h4–+) 20.Ke2 g5 21.Rac1 (21.Nc2 h5 22.h4 hg4 23.hg5 Rg8–+) 21...Bg7 (21...Nb4 22.h4 gh4 23.Rh4–+) 22.Kd1 (22.Nc2 h5 23.h4 gh4–+) 22...Bd4 23.Rc6 Be5 24.Re1 Kd7 25.Rc2 Nb4 26.Rd2 Ke6 27.Rde2 Kd5 28.Re4 Re8 29.Rb4 Bc3 30.Rbe4 Re4 31.Re4 Bb7 32.Re3 Be5 33.Nb1 Kd4 34.Kd2 Bf4 35.Ke2 Be3 36.Na3 Re8 37.Nc2–+ Kc3 38.Ne3 Kb2 39.Kf2 Ka2 40.Nf5 Rd8 41.Nh6 b4 42.Nf7 Rf8 43.Nd6 Rf3 44.Kg2 Rd3 45.Nb7 b3 46.Nc5 Rd2 47.Kf1 b2 48.Ke1 Rc2 (48...Rc2 49.Nd3 b1Q 50.Nc1 Qc1; 48...Rh2 49.Nd3 b1Q 50.Nc1 Qc1) 0–1. desjostedt – donsjostedt (1670), net–chess.com, 2013. (=1.d4 b5 2.b4 c6)

2.d4 Nc6 3.d5 (better is 3.a4!? ba4 4.b5+=) 3...Nb4+= 4.e4 Bb7 (4...c6 5.c3 Na6 6.dc6 dc6 7.Qd8 Kd8 8.Nf3=) 5.c3= Na6 6.Be3 (6.Bb5 c6 7.Bc4 Nc5=) 6...Nf6 (6...c6 7.a4 Nc7 8.ab5 Nb5 9.Qb3=) 7.Nf3 (7.a4!?=) 7...Ne4+= 8.Bb5 e6 9.0–0 (better is 9.de6 fe6 10.Ne5+=) 9...Bd5?? (better is 9...ed5 10.Ba6 Ba6 11.Qd5 Nf6 12.Qe5 Qe7–/+) 10.Ba6+– Qf6 (10...Bc5 11.c4 Qf6 12.cd5 Be3 13.fe3 Qa1 14.de6+–) 11.Bd4 Qe7 (11...Qh6 12.c4 Bc6 13.Bb5 Bb5 14.cb5+–) 12.Ne5 (12.c4 Bc6+–) 12...f6? (12...c5 13.c4 cd4 14.cd5+–) 13.Nf3 (13.Qh5 g6 14.Ng6 Qf7+–) 13...e5? (13...Qd6 14.Qe2+–) 14.Be3 (better is 14.Be5 c6 15.Bb7 fe5 16.Ba8+–) 14...h5?? (better is 14...Qe6+–) 15.Qd5 Rb8 16.Ba7 Rb2 17.Qa8 Qd8 18.Qe4 Bb4 19.cb4 d5 20.Qg6 Ke7 21.Nc3 Rb4 22.Bc5 Ke6 23.Ng5 Kd7+– 24.Qf7 Kc6 25.Qe6 Kc5 26.Rac1 Qd6 27.Nce4 Kb6+– 28.Nd6 Ka6 29.Nc8 Ka5 30.Qd5 Rb5 31.Rc5 Rc8 32.Rb5 Ka6 33.Qb7# 1–0. calchess10 – chess blues, ChessWorld.net, 2010.

2.d4 d5 (--> 1.b4 d5 2.d4 b5).

2.d4 e5 3.de5 Bb4 4.c3 Bc5? (4...Ba5 5.Qd5 c6 6.Qd3=) 5.e3?? (better is 5.Qd5 Bf2 6.Kf2+–) 5...Bb7 6.f3 (better is 6.Qg4 Ne7 7.Qg7+=) 6...Nc6 7.Ne2 Ne5 8.f4 Ng4 9.h3 (9.Ng3 Qh4 (9...Ne3 10.Be3 Be3 11.Qe2+/–) 10.Qe2 Nh2–+) 9...Ne3 10.Be3 Be3 11.Qd3 Qe7 12.Qb5 Bc6 13.Qe5 Qe5 14.fe5 Ne7 15.Rh2? 0–0 16.a4 Ng6 17.a5 Ne5 18.g4 Nf3 19.Kd1 Nh2 20.Ng3 Bf4 21.Ra2 Bg3 22.Be2 Rab8 23.a6 Rb1 24.Kc2 Rfb8 25.Bd3 Bf4 26.Bh7 Kh7 27.Kd3 Re8 28.Re2 Bb5 29.c4–+ Bc4! 30.Kc4 Re2 (30...Re2 31.Kd3 Rd2 32.Kc3 d5 33.g5 Nf3 34.g6 Kg6 35.h4 Be5) 0–1. ashipham (1835) – pawnraider (2290), net–chess.com, 2013. (=1.d4 b5 2.b4 e5)

2.d4 Nf6 3.Bb2 Nc6 4.e3 g6 (4...Nb4 5.Ba3 Nbd5 6.Bb5=) 5.Bb5 (5.a3 a6+=) 5...Bg7 (better is 5...Nb4!? 6.a3 Nbd5=) 6.Bc6 dc6 7.Nf3 Ne4 (7...Rb8 8.a3+/–) 8.0–0 0–0 9.Nbd2 Nd2 10.Qd2 Bb7 11.c3 (11.Qc3 h6+–) 11...Ba6 (11...c5 12.bc5 Rb8 13.Rfd1+/–) 12.Rfd1 e6 13.Qe2?? (better is 13.e4+–) 13...Be2–+ (14.Rd2 Bf3 15.gf3 Qg5 16.Kh1 Qh5–+) 0–1. Neffgen,Dieter – Pieleck,Kerstin, RSX9E – A00 – Sokolsky–1, 2002.

2.d4 h6 3.e4 a6 4.Bb2 d5 5.ed5 Nf6 6.c4 Bg4 7.f3 Bf5 8.cb5 ab5? (better is 8...Nd5!? 9.Qd2 ab5 10.Bb5 c6=) 9.Bb5+/– Nbd7 (better is 9...Bd7!? 10.Bc4 Ba4+/–) 10.Nc3 g5 11.Nge2 h5 12.Ng3 Bg6 13.Nge4 Ne4 14.fe4 Rb8 15.e5 f5 (15...e6 16.Qa4 h4+–) 16.Qd3 Rb5 17.Qb5 f4 (17...Qb8 18.e6 Qb5 19.Nb5+–) 18.e6 Bg7 19.Qc6 Bd4 (19...0–0 20.Qd7 Qd7 21.ed7 Rd8+–) 20.ed7 Qd7 21.Qg6 Kd8 22.Qg5 Bc3 (22...Qd6 23.a3 Qh6 24.Qh6 Rh6 25.0–0–0 Be3 26.Kc2+–) 23.Bc3 Rf8 24.0–0 Qg4 25.Qg4 hg4 26.Be5 f3 27.gf3 gf3 28.Rac1 f2 29.Rf2 Rf2 30.Kf2 Kd7 31.Rc7 Kd8 32.b5 e6 (32...Ke8 33.d6 Kf7 34.de7 Kg6 35.e8Q Kg5 36.Rg7 Kf5 37.Bd4 Kf4 38.Qe5) 33.d6 (33.de6 Ke8 34.Bf6 Kf8 35.Rc8) 33...Ke8 34.b6 Kd8 (34...Kf8 35.b7 Ke8 36.b8Q) 35.b7 Ke8 36.b8Q 1–0. pumpkin (2405) – valerypavlovich (2100), net–chess.com, 2013.

2.e3 g6 3.Bb2 Nf6 4.Bb5 c6 5.Be2 Bg7 6.Nf3 h6 7.a3 d5 8.0–0 Bf5 9.d3 Na6 10.Ne5 0–0 11.Nc6 Qc7 12.b5 Nc5 13.Bd4 Na4? (13...Qd6+–) 14.c4 Nb6 15.c5 Nbd7 16.a4 (better is 16.Ne7 Kh8 17.c6+–) 16...e5 17.Ne7 Kh8 18.Nf5 gf5 19.Bb2 Qc5 20.Ba3 Qb6 21.Bf8 Nf8 22.d4 e4 23.a5 Qd6 24.Qb3 Ng4 (24...Ne6+–) 25.Bg4 fg4 26.Nc3 g3 (26...Rb8 27.Nd5 Nd7 28.Rfc1+–) 27.fg3 Rd8 (27...Ne6 28.Rad1 Rb8 29.Rf7+–) 28.Rf7 Qg6 29.Ra7 Qg5 30.Re1 Kh7 31.b6 Nd7 32.Nd5 Nb6 33.Nb6 Rb8 34.Qd5 Qg6 35.Rb7 Re8 36.a6 Qg5 37.Qg5 hg5 38.a7 Kh6 39.a8Q Ra8 40.Na8 Bf8 41.Rb6 Kh5 42.Re6 Bb4 43.Rd1 Bc3 44.Re4 Bd4 45.Rdd4 Kg6 46.h4 gh4 47.gh4 Kh5 48.Rd5 Kh6 49.Re6 Kg7 50.Rd7 Kf8 51.Rde7 (51...Kg8 52.Rb6 Kf8 53.Rbb7 Kg8 54.Re8#; 51.g4 Kg8 52.Re8#) 1–0. Roookie – KissMe, Live Game Caissa's Web, 2004.

2.e4 Na6 3.Nc3 c5 4.Bb5 (4.bc5!? b4 5.Ba6 Ba6 6.Nd5+=) 4...cb4= 5.Ba6 bc3 (better is 5...Ba6 6.Nce2 Bb7+=) 6.dc3?? (better is 6.Bd3+=) 6...Ba6–+ 7.Bg5 f6 8.Bf4 g5?? (8...Bc4 9.Nf3–+) 9.Be3 Bh6 10.Nf3 g4 11.Nh4 Qa5 12.Bd4 Bg5 13.Nf5 Nh6 14.Ng7?? Kf7 15.Nh5 Bc4 16.Nf4?? Bf4 17.e5 fe5 18.Be5 Qe5 19.Qe2 Qe2 0–1. interloper – nickb, ChessWorld.net, 2012.

2.e4 c5 3.bc5+/– d5 (3...Qa5 4.Qe2+/–) 4.f3 (better is 4.Bb5!? Bd7 5.Bd7 Nd7 6.ed5 Nc5 7.Nc3+–) 4...b4 5.a3 e5 (5...ba3 6.Ba3 Nf6 7.e5+/–) 6.d4 (6.ab4 de4 7.Nc3+–) 6...f5? (better is 6...ba3!? 7.ed5 Qd5+/–) 7.ab4 a5 (7...de4 8.d5+–) 8.c3 (8.de5 de4 9.Qd8 Kd8+–) 8...f4? (8...de4 9.Qa4 Bd7 10.Bb5+–) 9.h4 (9.Bb5 Bd7 10.Bd7 Nd7 11.ed5 ab4 12.Ra8 Qa8+–) 9...g5 (9...Be7 10.Bb5 Bd7 11.Bd7 (11.ed5 Bh4 12.Kd2 Bb5–/+) 11...Nd7 12.ed5 ab4 13.Ra8 Qa8 14.d6+–) 10.hg5 (better is 10.ed5 Qd5 11.hg5 Ne7+–) 10...h5? (10...de4 11.Qc2 Bb7 12.Bb5 Ke7 13.de5 ab4 14.Ra8 Ba8 15.cb4 Bg7 16.Bf4 Qc7+–) 11.de5 Qg5 12.Nh3 Bh3 13.gh3 Qg3 14.Ke2 de4 15.fe4 f3+/– 16.Kd2 Be7?? 17.Rg1 Bg5?? 18.Kc2+– Qf2 19.Nd2 Bd2 20.Bd2 Nc6 21.Bb5 Nge7 22.Rf1 Qh4 23.Rf3 Qe4 24.Kc1 0–0–0 25.ba5 Rd2 26.Kd2 Rd8 27.Rd3 Ne5 28.Rd8 Kd8 29.Kc1 Kc8 30.Qh5 (30.Qh5 Nd5 31.Qh8 Kc7 32.Qg7 Kb8 33.Qg3+–) 1–0. ShadoWarrior02 – SouEu, playchess.de, 2002.

2.e4 d5 3.ed5 (3.Bb5 c6 4.Bd3 Qd6+/–) 3...Qd5 4.Nc3 Qe5 (4...Qe6 5.Qe2 a6 6.Qe6 Be6 7.Nf3+=) 5.Qe2 Qe3?? (better is 5...Qe2 6.Be2 a6+=) 6.de3 (6.Qe3 Nf6 7.Nb5 Na6+–) 6...Nf6 (6...a6 7.a4 e6 8.Bb2 ba4 9.Qf3+–) 7.Nb5 Bd7 8.Nc7 Kd8 9.Na8 Nc6 10.Qa6 e6 11.a3 Nd5 12.b5 Nb8 13.Qa7 Bd6 14.Bb2 f6 15.c4 Ne7 16.Qb6 Ke8 17.Qd6 Kf7 18.Nb6 Rd8 19.c5 Nd5 20.Nd5 ed5 21.Qd5 Ke7 22.Bc4 Bb5 (22...Rg8 23.Qd6 Kd8 24.Qb8 Ke7 25.Qd6 Ke8 26.Rd1 Rh8 27.Qd7 Kf8 28.Qf7) 23.Qf7 1–0. Fournier,Frederic (2080) – NN, Active, 2004. (=1.e4 b5 2.b4)

2.e4 g6 3.Bb5 (3.Bb2 Nf6+/–) 3...Bg7 4.d4 (4.Nc3 Bb7 5.d4 f5+/–) 4...c6 (4...c5 5.Nf3 cb4 6.c3+=) 5.Bc4 (5.Be2 a5+/–) 5...e6 (5...d5 6.ed5 cd5 7.Bb5 Bd7 8.a4+/–) 6.e5 h5 (6...d6 7.Nf3+/–) 7.Nf3+– Ne7 (7...a5 8.b5+–) 8.0–0 (8.Nbd2 d5 9.ed6 Nf5+–) 8...d5 9.ed6 (9.Bd3 Qb6+–) 9...Qd6 10.c3 Ba6 (10...Nd5 11.Nfd2+–) 11.Na3 Bc4 12.Nc4 Qd8 13.Re1 0–0 14.Bf4 Na6 15.Qd3 Qd7 16.Qe4 Qd5 17.Nd6 Qf5?? 18.Nf5 Nf5 19.Qc6 Nb4 20.cb4 Rac8 21.Qe4 Rc4 22.Be5 Rb4 23.Bg7 Kg7 24.Qe5 f6 25.Qe6 Nd4 26.Qe7 Rf7 27.Qb4 Nf3 28.gf3 g5 29.Re7+– Kg6 30.Rf7 Kf7 31.h4 g4 32.fg4 (32...Kg7 33.Rd1 Kg6 34.Qe4 f5 35.Qe8 Kf6 36.g5 Kg7 37.Rd7; 32.Rd1 Kg7 33.Rd7 Kh6 34.Qe7 g3 35.Qf6) 1–0. renegade – LAME WOLF, internet, 2005.

2.f3 a5 3.ba5 e5 4.e3 =+.

2.f3 c6 3.c3 (3.a4 e5=) 3...Nf6 (3...a5 4.ba5 e5 5.e4=+) 4.d4 (4.a4 d5=) 4...e6 (4...a5 5.ba5 d5 6.Nd2 Qa5 7.Nb3–/+) 5.e4 (5.a4 ba4 6.e4 Be7+=) 5...Be7 (5...a5 6.ba5 Qa5 7.a4=+) 6.e5 (6.a4!?+=) 6...Nd5= 7.Ne2 (7.a4 ba4 8.Ra4 d6=) 7...f6 (7...a5 8.ba5 d6 9.ed6 Bd6 10.Nd2–/+) 8.Ng3 (better is 8.a4=) 8...g5?? (better is 8...a5 9.ba5 Qa5–/+) 9.f4 (9.a4 fe5 10.ab5 cb5+=) 9...gf4 (9...0–0!? 10.ef6 Bf6 11.fg5 Bh8+= (11...Bg5? 12.Qg4 h6 13.Ne4+–)) 10.Qh5+/– Kf8 11.Qh6 Kg8 12.ef6 Nf6? 13.Bf4+/– Bf8? 14.Qg5+– Bg7 15.Be5?? h6+/– 16.Qg6 d6 17.Bf4 Nd5?? 18.Nh5+– Nf4 19.Qg7# (19.Nf4?! Qe7 20.Be2 e5+=) 1–0. Mokolato – jordan2delta, internet, 2006.

2.Nf3 a6 3.Nc3 Ra7 4.g4 (4.a4 e6=) 4...Rb7 (4...e5 5.Ne5 Bb7 6.e4=) 5.Ne5 (5.e4 e6 6.a3 d5=) 5...Rb6 (5...d6 6.Nf3=+) 6.Nd5 Rd6 (6...Bb7 7.e4 Bd5 8.ed5=+) 7.e4 (7.Bg2!?=) 7...Re6=+ 8.Nf3 (better is 8.Nd3!? Bb7 9.Nc3 Be4 10.Ne4 Re4 11.Be2–/+) 8...Re4–+ 9.Be2 Rg4 (better is 9...Bb7 10.Ne3 Rb4–+) 10.Bb2? (better is 10.Bd3 e6 11.h3–/+) 10...Rg1?? (better is 10...Bb7 11.Ne3 Rb4–+) 11.Rg1+– Bb7 12.Nh4 (better is 12.Ne3 Nf6 13.a4 ba4 14.Ra4+–) 12...Bd5 13.Rg5?? (better is 13.Nf5 e5 A) 14.Rg7 Qf6 15.f4 Qf5 (15...Bg7?! 16.Be5 Qf5 17.Bg7–/+) 16.Be5 f6 (16...Bg7?! 17.Bg7 Qf4 18.Bh8–/+) 17.Bc7 Bg7 18.Bh5 Bf7 19.Bf7 Kf7 20.Bb8 Qe4 21.Kf2 Ne7–+ (21...Qb4 22.Qh5 Kf8 23.c3–+); B) 14.Be5+/–) 13...h6?? (better is 13...e6 14.Rg7 Qh4=+) 14.Rd5+– d6 15.Nf3 Qd7 16.Nd4 Qg4?? 17.Bg4 h5 18.Bh5 Rh6 19.Bg4 Rg6 20.Bf3 Rg1 21.Ke2 Rd1 22.Rd1 e6 23.Rh5 e5 24.Nb3 g6 25.Rh8 Bg7 26.Rg8 Ke7 27.Rg7 Nc6 28.Bc6 (28...Kf6 29.Rh7+–) 1–0. pthornton – jblake, net–chess.com, 2005.

2.Nf3 Nf6 (--> 1.b4 Nf6 2.Nf3 b5).

2.f4 d5 3.a4 c6 4.ab5 cb5 5.e3 Bd7 6.Nc3 Qb6 (better is 6...e6!?=) 7.Nd5+/– (7.Nd5 Qb7 8.Qf3+/–) 1–0. b4_player – jan, internet, 2013.

2.f4 e5 3.f5 (3.fe5 Bb4 4.Nf3 d5=) 3...f6 (3...d5!?–/+) 4.h4 (4.e4!? g6 5.Bb5 Bb4 6.c3=) 4...g6 (4...Bb4 5.e4=+) 5.h5 (5.e4 Bb4 6.Bb5 c6=+) 5...g5 (5...gf5!? 6.a4 a5 7.ab5 Bb4–/+) 6.e3 (6.e4 Bb7=) 6...Bb4 7.Bb5 Qe7 (7...c6 8.Be2=+) 8.Nc3 (better is 8.e4=) 8...Qe6?? (better is 8...c6 9.Bd3 d5=) 9.Kf1 (better is 9.fe6 c6 10.ed7 Bd7 11.Bc4+–) 9...Qf5–/+ 10.Nf3? (better is 10.Ke1–/+) 10...Qh3 (better is 10...e4 11.Ne4 Qb5 12.Kg1 d5–+) 11.Rh3+– g4 (11...c6 12.Bd3 g4 13.Rg3 gf3 14.gf3+–) 12.Nd5 Bd6 13.Rh4 gf3 14.Nc7! Bc7 15.Bd7! Kd7?? 16.Rd4 ed4 17.Qe2?? (better is 17.Qf3 de3 18.Qd5 (< 18.Qa8 Nc6=+) 18...Ke7 19.Qa8+–) 17...fe2–+ 18.Kg1 e1Q# 0–1. phopwood – amiller, net–chess.com, 2002.

2.f4 e6 3.Nf3 (3.Bb2 A) 3...Bb4?? 4.Bg7 Nh6 5.Bh8+– (5.Bh6?! Qh4 6.g3 Qh6=); B) 3...Bb7=+) 3...Nc6 (3...Bb4!? 4.Bb2 Nf6=+) 4.a3= d5 5.e3 a6 6.Bb2 Nf6 7.h3 Ne4 8.Qe2?? (better is 8.Rg1=) 8...Ng3–+ 9.Qd3 Nh1 10.Ne5 (10.g4–+) 10...Qh4 11.Kd1 Nf2 12.Ke2 Nd3 13.g3 Qg3 14.Kd3 Ne5 15.fe5 Bb7 16.a4 Bb4 17.ab5 a5 18.Ba3 Qe5 19.Ra2 Ba3 20.Na3 0–0–0 (21.c3 Kd7–+; better is 20...d4 21.Nc4 Be4 22.Ke2 Qh2 23.Kd1 Bf3 24.Kc1–+) 0–1. gengar – erch, ChessWorld.net, 2005.

2.g3 a5 3.Bg2 c6 (3...Nc6 4.c4 Rb8 5.cb5 Rb5 6.ba5=) 4.Nf3 (4.ba5 Nf6=) 4...d5 (4...ab4 5.0–0–/+) 5.Nd4 (better is 5.ba5!? Nd7 6.Bb2=) 5...ab4 6.0–0 g6 (6...e5 7.Nb3–/+) 7.d3 (better is 7.Bb2!? e5 8.Nb3–/+) 7...Bg7–+ 8.Bb2 (better is 8.c3 bc3 9.Nc2–+) 8...c5?? (8...Qb6 9.e3 c5 10.Bd5–+) 9.Bd5?? (better is 9.Ne6! Bb2 10.Nd8+/–) 9...Qd5–+ (9...Bd4 10.Bd4 Qd5 11.Bh8+/–) 10.Nb5 (10.Ne6 Be5 11.Nc7 Bc7 12.e4–+) 10...Na6?? (10...Kf8 11.Nc7 Qc6 12.Bg7 Kg7 13.Na8–+) 11.c4?? (11.Bg7 Bh3 12.e4+–) 11...Qb7?? (better is 11...bc3 12.N1c3 Qc6–+) 12.Bg7+– Bh3 13.Re1 (better is 13.f3 Bf1 14.Qf1+– (14.Bh8?! Bh3+/–)) 13...Qg2# 0–1. solidsteelpipe – PoetPrince, Live Game Caissa's Web, 2005.

2.g3 e5 3.Bg2 Nc6 (3...d5 4.a4=) 4.Bc6 (better is 4.a4!? Rb8 5.ab5 Rb5 6.c3=) 4...dc6–/+ 5.e3 (5.Bb2 f6–/+) 5...Nf6 (5...Bb4 6.Bb2–+) 6.Nc3 (6.a3!?–/+) 6...Bb4–+ 7.Nge2 (7.Qf3 0–0 8.Nge2 Qe8–+) 7...Bc3 (7...Bg4 8.Bb2–+) 8.dc3 (8.Nc3 b4 9.Ne2–+) 8...Qd1 9.Kd1 Bg4 10.Ba3 (10.Ke1 Bf3 11.Rg1 Ng4–+) 10...Be2 (better is 10...Bf3 11.Rf1 Rd8 12.Ke1 Ng4–+) 11.Ke2 Ne4 12.Bb2 0–0 (12...Nd6 13.Rhd1–+) 13.f3 Nf6 14.Rad1 h6 15.Rhe1 Rfe8–/+ 16.Kf2 c5 17.f4 Ng4 18.Kf1? Nh2 19.Kg2 Ng4 20.Rd7? c6 21.Rc7 Rec8 22.Rc8 Rc8 23.fe5 Ne5 24.c4 Nc4 25.Ba1 f5 26.e4 Re8 27.Bc3 fe4 28.Kh3 e3 29.Kg4 Kf7 30.Kf3 b4 31.Ba1 g5 (32.Ke2 Rd8–+; 31...Rd8 32.Ke4–+) 0–1. oracleinshadows (1725) – iboyd (1950), net–chess.com, 2006.

2.g4 Bb7 3.f3 a5 (3...e5 4.h4 Bb4 5.e4–/+) 4.Nc3 (better is 4.e4!?–/+) 4...ab4 5.Nb5 (5.Ne4 e5 6.Ng3 Nc6–+) 5...Na6 (5...e5 6.e4 c6 7.h4–+) 6.Nh3 (6.Bb2 d6 7.e3 e5–+) 6...c6 (better is 6...e5–+) 7.Nd4=+ c5 8.Nb3 (8.Nb5=+) 8...g6 (better is 8...c4 9.Nd4 e5–/+) 9.Nf4?? (better is 9.Bb2 f6 10.e3=) 9...Bg7 (9...e5 10.Ng2 c4 11.Bb2 cb3 12.ab3–+) 10.Nd3? (better is 10.Rb1–/+) 10...Nf6?? (better is 10...c4 11.Bb2 A) 11...cd3? 12.Bg7 e6 13.Bg2 (13.ed3?! h5+/–) 13...Qh4 14.Kf1+–; B) 11...Bb2 12.Nb2 cb3 13.ab3 e5–+) 11.Ndc5= Qb8 12.Bb2 Qc8 13.g5 Nd5?? 14.Bg7+– Rg8 15.Be5 Nc5 16.Nc5 Qc5+/– 17.Rb1 Ra2= 18.c4 Qc4 19.e4+– Qc6 20.ed5 Qd5 21.Rb4?? Qe5–+ 22.Kf2 Qf5 23.Rb7+– Qc5 24.Kg2?? f6 25.h4 fg5? 26.Bb5?? Qc2?? 27.Rd7 g4 28.Qe1 Rg7 29.Re7 Kf8 30.Re8 Kf7 31.Qe7# (31.Qe6#) 1–0. mooney – preynolds, net–chess.com, 2006.

2.g4 Nf6 3.Bg2= c6 4.h3 e6 5.c3 d5 6.h4 (6.a4!?=+) 6...Ng4–/+ 7.f3 (7.a4!?–/+) 7...Nf6–+ 8.Rh3 (8.a4 Qc7–+) 8...Nh5 9.d3 Nf4?? (better is 9...Be7 10.e3 e5–+) 10.Bf4+= g6? (better is 10...e5!? 11.Bg5 f6+=) 11.Bg5 Be7 12.Bf4?? Qb6?? 13.Bg3?? Qg1–/+ 14.Bf1 Qe3 15.Rh1 f5 16.Rh2 f4?? 17.Bf2+– Qe5 18.h5?? g5?? 19.d4 Qf6 20.Nd2 e5 21.Qb3? e4 22.fe4=+ f3 23.ed5 fe2 24.Be2 Bd6 25.Nf3?? Bg4–+ 26.Qc2? Bf3 27.Bf3 Bh2 28.Qe2 Kf7 29.Qf1 Qf3 30.Rd1 Re8 31.Kd2 Bf4 32.Kc2 Re2 33.Rd2 Rd2 34.Kb1 Rf2 35.Qe1 Re2 36.Qg1 Na6 37.dc6 Rae8 38.Qd1 Re1 39.Kb2 Rd1 (40.d5 Re2 41.Kb3 Qd5 42.c4 Qd3#) 0–1. Hansen,Joern – Adler,Bernd, remoteschach.de, 2003.

2.a3 a6

3.Bb2 (--> 2.Bb2 a6 3.a3).

3.Nc3 Nf6 4.e4 e5 5.Nge2 h6 (5...a5 6.ba5 (6.Nb5? c6–+) 6...Ra5 7.d4+=) 6.Bb2 Bb7 7.f3 (7.Ng3 Nc6=) 7...Nc6 (7...c5 8.Nd5 Nd5 9.ed5+=) 8.g4 (8.Ng3 h5=) 8...g5 (8...Bd6!?–/+) 9.d4= d6 (9...d5!?=) 10.d5+= Ne7 11.Bh3 h5 12.Rg1 (12.Qd3+=) 12...h4?? (better is 12...hg4!? 13.Bg4 Rh2–/+) 13.a4 c6 14.a5?? (better is 14.dc6 Nc6 15.ab5 Nb4 16.Qd2=) 14...cd5–+ 15.Qd3 d4 16.Nd4 ed4 17.Qd4 Bg7 (17...Nc6!? 18.Qb6 Qb6 19.ab6 Nb4 20.Nb5 Nc2 21.Ke2 Na1 22.Nc7 Ke7 23.Na8–+) 18.0–0–0 0–0 19.Qb6? (19.Qd6 Nc6–+) 19...Qb6 20.Nd5 (20.ab6 Nc8 21.Ne2–+) 20...Bd5 (better is 20...Qf2 21.Ne7 Kh7–+) 21.Bf6 (21.ab6 Be6 22.b7 Rab8 23.Rd6 Rb7 24.Ra6 Rc8–+) 21...Bf6 (21...Qe3 22.Rd2 Rac8 23.ed5 Qg1 24.Rd1 Rc2 25.Kc2 Rc8 26.Kd2 Qf2 27.Kd3 Qc2 28.Ke3 Nf5 29.gf5 Re8 30.Be5 Re5 31.Kd4 Qc4) 22.ed5 (22.ab6 Bc6 23.f4 gf4 24.Rd6–+) 22...Bc3 (22...Bc3 23.ab6 a5–+) 0–1. nimzou (1725) – valerypavlovich (2100), net–chess.com, 2015.

3.d4 Nc6 4.e3 f6 5.Nf3 Rb8 6.Be2 d5 7.Nc3 e6 8.0–0 Bd6 9.Re1 e5 (better is 9...Nge7+=) 10.Qd2?? (10.de5 fe5 11.Qd5 Bb7+–) 10...Bf5?? (better is 10...e4!? 11.Nh4 g5 12.Bh5 Kf8+=) 11.Nh4 (better is 11.de5 Be5 12.Ne5 Ne5 13.f4+/–) 11...g6? (better is 11...Be6 12.e4 ed4 13.Nd5 Nge7+=) 12.Nf5+– gf5 13.Nd5 Qd7 14.Bh5 Kd8 15.c3 Nh6 (15...ed4 16.f4 dc3 17.Qc3 Nce7 18.Nf6 Qc6 19.Qc6 Nc6+–) 16.Nf6 Qf7?? (16...Qg7 17.e4 Nf7 18.Bf7 Qf7 19.de5 Ne5+–) 17.Bf7 Nf7 18.de5 Nfe5 19.Qd5 (19.Qd5 Ke7 20.Nh5+–) 1–0. pieeater – horsehold, ChessWorld.net, 2013.

2.a3 Bb7

3.Bb2 (--> 2.Bb2 Bb7 3.a3).

3.Nc3 a6 4.e4 Nc6 5.Nf3 e5 6.Be2 Nd4 (6...Nf6 7.0–0=) 7.Nd4 (7.Ne5!? Qg5 8.Ng4+=) 7...ed4= 8.Nd5 Bd5 9.d3?? (better is 9.ed5 Qf6 10.Bb2+=) 9...Bb7–+ 10.0–0 Qf6 11.Bf3 c6 12.Re1 Qe5 13.g3 Be7 14.Bf4 Qe6 15.Bg4 f5! 16.ef5 (16.ef5 Qf7 Decoy; 16.Bf5 Qf7 Decoy) 16...Qf7 17.Bd6 (17.Be5 Kf8–/+) 17...h5 18.Bh3 0–0–0 19.Be7 Ne7 20.a4 Nd5 21.ab5 cb5 22.Re5 (22.Qd2 Rde8–+) 22...Rhe8 23.Re8 Re8 24.Kg2 (24.Qd2–+) 24...Ne3 25.Kg1 Nd1 26.Rd1 (26.Bf1 Qd5 27.f3 Qf3 28.Rd1 Qe3) 26...Bf3 27.Ra1 Kb7 28.Rc1 Bg4 29.Bg2 d5 30.h3 Bf5 31.Kh2 Re2 32.f4 Qe7 33.c3 Rg2! 34.Kg2 Qe2 35.Kg1 Qe3 (35...Qe3 36.Kg2 Qd2 37.Kh1 Qc1 38.Kg2 Bh3 39.Kh2 Qf1 40.c4 Qg2; 35...Bh3 36.Rc2 Qc2 37.c4 Qg2) 0–1. pieeater – xorb, ChessWorld.net, 2012.

2.a3 c6

3.Bb2 Nf6 4.e3 a5 5.c3 a4 (5...ab4 6.cb4 e6 7.Nf3=) 6.Nf3 d5 7.Be2 e6 8.0–0 Bd6 9.Re1 Nbd7 10.d3 0–0 11.d4 Nb6 12.Nbd2 Ne4 13.Ne4 de4 14.Ne5 Bb7 15.Bg4 Nc4?? (better is 15...Be5 16.de5 Nc4–/+) 16.Nc4+= Bc7?? (better is 16...bc4 17.Be2 Qg5+/–) 17.Nd2+– Qd5 18.Qe2 e5 19.de5 Qe5 20.g3 g6 21.Rad1 h5 22.Bh3 h4 23.Nf1 g5 24.c4 Qd6 25.Rd6 Bd6 26.Qh5 f6 27.Be6 Rf7 28.Qf7 Kh8 29.Bf6# 1–0. pieeater – WirralBoy, ChessWorld.net, 2012.

2.a3 Nc6

3.Bb2 Bb7 4.e4 e5 5.Nf3 Qf6 (5...a6!?+=) 6.Nc3 1–0. pieeater – West Islander, ChessWorld.net, 2012.

3.Bb2 e5 4.e3 Nf6 (4...a6 5.c4 bc4 6.Bc4=) 5.Nf3 (5.Bb5 Bb7+/–) 5...d6? (5...e4 6.Nd4 Nd4 7.Bd4=) 6.d3 (better is 6.Bb5!? Bd7 7.0–0+/–) 6...Bg4 7.Be2 Be7 8.0–0 0–0 9.h3 Be6 10.Nbd2 a5 11.ba5 Na5 12.c4 bc4 13.Nc4 Nc4 14.dc4 c5 15.Qc2 e4 16.Nd2 d5 17.cd5 Qd5 18.Rfd1 Qg5 19.Kh1 Bd6?? 20.Ne4 Ne4+/– 21.Qe4 Rae8?? 22.Rd6+– f5 23.Qf3 f4 24.ef4 Rf4 25.Qg3 Qg3 26.fg3 Re4 (26...Re4 27.Bb5 Rb8+–). Fournier,Frederic (2000) – luisito84 (1865), Echecs21, 2003.

2.a3 e6

(--> 1.b4 e6 2.a3 b5).

3.Bb2 f6 (--> 1.b4 e6 2.Bb2 f6 3.a3 b5).

2.a3 Nf6

3.Bb2 (--> 2.Bb2 Nf6 3.a3).

3.e3 a6 4.Nf3 Bb7 5.Bd3 Nc6 6.0–0 e5 7.e4 Be7 8.Re1 0–0 9.c4 bc4 10.Bc4 d6 (10...Ne4 11.Nc3 Nc3 12.dc3+=) 11.d3 Nd4 12.Nc3 Qd7 13.Be3 Nf3 14.Qf3 Bc6 15.Bg5 (15.Nd5 Nd5 16.ed5 Bb5+=) 15...Ne8 (better is 15...Ne4!? 16.de4 Bg5+=) 16.Be7 Qe7 17.Nd5 Bd5 18.Bd5 Rd8 (18...Rb8 19.Bc6+=) 19.Rac1 (19.Bb7 a5 20.ba5 Qg5+/–) 19...h6 (19...c5 20.bc5 dc5 21.Qe3+=) 20.a4 (20.Qe3!?+/–) 20...c5+= 21.bc5 dc5 22.Qf5 Nd6 23.Qg4 Rc8 (23...Ne8 24.Qg3=) 24.g3 (24.Re2 Rfd8+=) 24...g5 (24...Rfd8 25.f4=) 25.Kg2 a5 26.h3 Kg7 27.h4 f5 28.ef5 Nf5 29.Kh3 Kh8 30.Be4 Nd6= 31.f3 Ne4 32.de4 gh4–/+ 33.gh4 Rg8 34.Qh5+= Qe6 35.Kh2?? c4 36.Rb1 c3–+ 37.Rbc1?? Qa2 38.Kh1 Qg2# 0–1. pieeater – Mark_Peck, ChessWorld.net, 2012.

2.a4 Na6

3.ab5 Nb4 (--> 2...Nc6 3.ab5 Nb4).

2.a4 Nf6

3.ab5 Bb7 4.c3 e6 5.e3 d6 6.Nf3 a6 7.d4 Be7 8.ba6 +/–.

3.ab5 d5 4.e3 e6 5.c3 Nbd7 6.f4 Ne4 7.Nf3 Bb7 8.Be2 +/–.

2.Bb2 c6

(--> 1.b4 c6 2.Bb2 b5).

3.Nf3 d5 (--> 1.b4 c6 2.Bb2 d5 3.Nf3 b5).

2.Bb2 e6

(--> 1.b4 e6 2.Bb2 b5).

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

3.a3 f6 (--> 1.b4 e6 2.Bb2 f6 3.a3 b5).

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

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

3.e3 Bb7 4.Nf3 Nf6> (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6).

3.e3 Nf6 4.a3 Bb7 5.Nf3 a5 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a5).

3.Nf3 Nc6 4.a3 Bb7 5.e3 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 Nc6).

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

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

2.c3 Nc6

3.e3 Rb8 4.Nf3 g6 (4...e5!?=) 5.d4 (5.a4 a6+/–) 5...e6 6.Nbd2 (6.a4 ba4 7.b5 Nce7+/–) 6...a5+= 7.a3 Nf6 8.Be2 Rg8 (8...Nd5 9.Qc2+=) 9.0–0 Bh6 (9...Nd5 10.Qc2+/–) 10.Re1 d6 11.c4 Ba6 12.cb5 Bb5+/– 13.a4 Be2=+ 14.Re2 Nb4 15.e4 Nd3 16.Nc4? Nf4?? 17.Na5 Rb6?? 18.Rd2?? Ne4=+ 19.Ne5?? Nc3 20.Qe1 f6 21.Nec6=+ Qd7 22.Rc2 Ne4?? 23.Qe4 f5 24.Qf3 Kf7 25.Bf4 Bf4 26.Qf4 Ra8 27.Re1 d5 28.Rce2 Qd6 29.g3 Qf4 30.Kh1 Qf3–+ 31.Kg1 Qc3 32.Ne5 Ke7 33.Nec6 Rc6 34.Nc6 Qc6 35.Re5 Ra4 36.Re6 Qe6 37.Re6 Ke6 0–1. rene822 – garyp, Live Game Caissa's Web, 2004.

3.e3 Nf6 4.Nf3 e6 (4...a6 5.d4+=) 5.d4 (5.Bb5 Bb7+/–) 5...Bb7 (5...a5 6.Bb5 ab4 7.Bd2=) 6.Bd3 (6.Bb5 a5 7.ba5 Ra5+/–) 6...Be7 (6...a5 7.ba5 Ra5 8.0–0=) 7.Bb2 (7.Bb5 a5 8.ba5 Ra5+/–) 7...0–0 (7...a5 8.a3=) 8.Nbd2 (8.Bb5 a5 9.a3 Qb8+=) 8...h6 (8...a5 9.ba5 b4 10.0–0=) 9.0–0 (9.Bb5 a5 10.a3 Rb8+/–) 9...d5 (9...a5 10.a3+=) 10.Re1 (10.Bb5 Bd6+/–) 10...Bd6 (10...a5 11.a4 ba4 12.b5+=) 11.Qc2 (11.Bb5 a5 12.a3 Ne7+/–) 11...Ne7 (11...a6 12.a4+=) 12.a3 (12.Bb5 Qb8+/–) 12...a6 13.e4 (13.a4 Qe8+=) 13...de4= 14.Ne4 Ne4 15.Be4 Be4 16.Qe4 Nd5 17.Rac1 Nf6 18.Qe2 Qd7 19.h3 Rac8 20.Red1 c6 21.Ne5 Be5 22.de5+/– Nd5 23.c4 bc4 24.Rc4 Qb7 25.Rcd4 Rfd8 26.R4d2 Rd7 27.Qe1 Rcd8 28.Qe2 Nf6?? 29.ef6+– gf6 30.Rd7 Rd7 31.Rd7 Qd7 32.Kf1 Kf8 33.Ke1 Ke7 34.Qd2 Qd2 35.Kd2 e5 36.f3 Ke6 37.g4 Kd5 38.h4 f5 39.gf5 f6 40.Ke3 h5. Fournier,Frederic (1765) – offnennen (1820), Active blind, 2011.

2.Nc3 a5

3.ba5 b4 4.Nb1 =.

3.Nb5 ab4 4.d4? (better is 4.a4=+) 4...c6–+ 5.e4 cb5 6.Bb5 Bb7 7.Qg4? (7.f3–+) 7...Qb6 8.a4 (8.Bd3 Qd4 9.Rb1 Nf6–+) 8...ba3 (< 8...Qd4 9.Rb1–+) 9.Bd3 Qd4 10.Rb1 (10.Ra2 Nf6 11.Qe2 Ne4 12.Be4 Be4 13.f3–+) 10...a2 11.Rb7 a1Q 12.Ne2 Qa5 13.Bd2 (13.Kf1 Qd6 14.Qf3–+) 13...Qda1 14.Nc1 Qc1 15.Ke2 Qad2 16.Kf3 Qh1 17.Kg3 h5 18.Bb5 Qd6 (18...hg4 19.Rb8 Rb8 20.Bd7 Kd7 21.c4 Qh2 22.Kg4 Qdf4) 19.f4 (19.e5 Qe5 20.Qf4 h4 21.Kh3 Qe6 22.Qg4 Qg2 23.Kg2 Qg4 24.Kh1 Ra1 25.Bf1 Rf1) 19...Qe1 20.Kh3 hg4 21.Kg4 Rh4 22.Kf3 Qf4 (22...Rf4?!=) 0–1. Bill Kolt – marekt, ChessWorld.net, 2003.

2.Nc3 Nc6

3.a3 a6 4.d4 Nf6 5.d5 +=.

3.a3 Bb7 4.Bb2 (4.Nb5 Nf6+=) 4...e5 5.e4 Nf6 6.d3 (6.Bd3 a6=) 6...d6 (6...a5 7.Nf3 ab4 8.Nb5 ba3 9.Na3+=) 7.h3 (7.Nf3 a6=) 7...Be7 8.Nf3 a6 9.Bc1 h6 10.Be3 d5 11.ed5 Nd5 12.Bd2 Nc3 13.Bc3 Bd6 14.Be2 Ne7 15.0–0 Nd5 16.Bb2 0–0 17.Re1 (17.Be5? Be5 18.Ne5 Qe7–+) 17...Nf4 18.Bf1 Will e5 fall? 18...Qf6 19.Ne5 Be5 (better is 19...Rfe8 20.d4 Rad8=) 20.Be5+/– Qf5 21.Bf4 (21.d4!?+–) 21...Qf4+/– 22.Re3 Qg5 23.Rg3 Qe5 24.d4 Qd5 25.Qd2 Rad8 26.c3 Rfe8? (better is 26...Qd6+/–) 27.Qh6+– Qe6 (27...g6+–) 28.Qg7 1–0. grahamtrue (2165) – smoothoperator (2255), net–chess.com, 2015.

3.e4 e5 4.Bb5 Nb4 (4...Bb4 5.Nd5 Bf8 6.Nf3+=) 5.d3 c6 6.Ba4 Nf6 7.a3 Na6 8.Bg5 Be7 9.Nf3 Qa5 10.Qd2 Nc5 11.Bb3 h6 12.Bf6 Bf6 13.0–0 d6 14.h3 g5 15.Na4 Qc7 (better is 15...Qd2!? 16.Nd2 Nb3 17.cb3 Be6+=) 16.Nc5+= dc5 17.Rab1 g4 18.Ne1 (better is 18.hg4!? Bg4 19.Nh2+=) 18...gh3–/+ 19.gh3? (better is 19.g3–/+) 19...Bh3–+ 20.Ng2 Bg5 21.Qe2 Qe7 (21...Rg8 22.Qf3 Bg2 23.Kg2 Bc1 24.Kh1 Ba3 25.Rg1+=) 22.Rfe1 (better is 22.Qh5!? Bg2 23.Kg2+=) 22...Rg8–+ 23.f3?? (better is 23.Qh5 Bg2 24.Kg2 Bd2 25.Kf1–+) 23...Bf4 24.Kf2 (24.Kf1–+) 24...Rg2 25.Kf1 Rh2 (25...Qg5 26.Bf7 Ke7 27.Rb7 Kf6 28.Qf2 Rf2 29.Kf2 Qg2) 26.Kg1 (26.Qg2 Bg2 27.Ke2 Bh1 28.Kf1 Rf2 29.Kf2 Qh4 30.Kf1 Qh3 31.Ke2 Qf3) 26...Qg5 27.Qg2 Qg2 0–1. 488 – dumbroad, ChessWorld.net, 2012.

3.g3 a5 4.Nf3 =.

3.g3 g6 4.Bg2 (4.a4 Nb4 5.Bg2 d5+=) 4...Bg7 (4...a5 5.Nb5 ab4 6.c4=) 5.Rb1 Rb8 6.Nf3 Nf6 7.0–0 0–0 8.e4 e5 9.Re1 Re8 10.a3 d6 11.d4? (better is 11.Qe2=) 11...ed4–/+ 12.Nd4 (better is 12.Nd5 Ne4 13.Ng5–/+) 12...Ne5?? (better is 12...Nd4 13.Qd4 Ne4 14.Qe4 Re4 15.Ne4 Bb7–+) 13.f4 (worse is 13.Ncb5 c5 14.bc5 dc5+=) 13...Nc4 (better is 13...Bg4!? 14.Nce2 Nc4=) 14.Nc6+/– Qd7?? (better is 14...Bg4 15.Qd3 Qd7 16.Nb8 Rb8+–) 15.Nb8+– Qe6 16.Nb5 Bb7 (16...d5 17.Qd4 Ne4 18.Qa7+–) 17.Nc7 Qc8 18.Ne8 Ne8 19.Qd3 (better is 19.Bf1 Nb6 20.c4 Bf8+–) 19...Na3 (19...Nb6+–) 20.Ba3 Qb8 21.c4 Qa8 2.b5 Qb8 (22...Qc8 23.e5 de5 24.Bb7 Qb7 25.b6+–) 23.Red1 Bf8 24.b6 (better is 24.Bb2 Be7+–) 24...a6 (24...ab6 25.Rb6 Qa7 26.Qe3+–) 25.Rbc1 (better is 25.c5 dc5 26.Qd8 Qc8 27.Qc8 Bc8+–) 25...Bc6 26.Qe3 Qb7 27.Bb2 (better is 27.c5 dc5 28.Bc5 Bg7+–) 27...Bg7 28.Bg7 Kg7 29.Rb1 (29.c5 Nf6+–) 29...f6 30.Qe2 Kf7 31.e5 fe5 32.fe5 (better is 32.Bc6 Qc6 33.b7 Qc5 34.Kg2 Qc6 35.Kh3 Qd7 36.f5 e4+–) 32...de5 33.Bc6 Qc6 34.b7 1–0. alexp (2505) – grahamtrue (2240), net–chess.com, 2015.

2.d4 Bb7

3.Nc3 a6 4.e4 e6 5.Nf3 (5.a3=) 5...Ne7?? (better is 5...Bb4 6.Bd2 Nf6–/+) 6.h3 Nbc6 7.a3 h6? (7...Ng6 8.Be2+=) 8.Be2 (8.d5!? Na7 9.Be2+/–) 8...g6 9.Bb2 Bg7 10.0–0 f5 (10...0–0 11.a4+=) 11.e5 0–0 12.Re1 d6 13.d5 (13.Qc1!?+=) 13...ed5+= 14.ed6 Qd6 15.Bf1 Bc8 16.Rb1 d4 (16...f4+=) 17.Na2? (better is 17.Ne2!?=) 17...Re8 18.c4 Bb7 (18...Be6 19.Qc2 Ne5 20.Nd4 Bc4 21.Rbd1–/+) 19.c5? (better is 19.cb5!? ab5 20.Bb5=) 19...Qf6 20.Nc1 Nd5 21.Nd3 (better is 21.Re8 Re8 22.Ne2–/+) 21...Rf8?? (better is 21...Qf7–+) 22.Nde5 (22.Nd4 Nd4 23.Ne5 Nf4 24.Qd4 Be4+=) 22...Ne5+= 23.Nd4?? (better is 23.Ne5 Nc3 24.Bc3 dc3 25.Nd7+=) 23...f4 (23...Rfe8 24.Qb3 Qf7 25.Rbd1–+) 24.Kh1 (24.c6 Bc8 25.Nb5–+) 24...f3 (24...Qf7 25.Qb3–+) 25.g3?? (better is 25.Nf3 Nf4 26.Ne5+= (26.Re5?! Qf7 27.Re3 Nh3=)) 25...c6 (25...Qf7 26.Qb3–+) 26.Kh2 (26.Nc6 Bc6 27.Be5–+) 26...Nf4 (better is 26...Rae8–+) 27.gf4? (better is 27.Nf3 Nf3 28.Qf3+=) 27...Qf4–+ 28.Kh1 Rad8 (better is 28...Qf7!?–+) 29.Qb3+= Nf7?? (29...Qf7 30.Qf7 A) 30...Rf7 31.Ne6 Rd2 32.Ng7 (32.Re5 Rb2 33.Rb2 Be5–/+) 32...Rb2 33.Rb2+–; B) worse is 30...Nf7 31.Ne6 Bb2 32.Nd8 Rd8 33.Rb2+–; C) 30...Kf7+=) 30.Ne6+– Ne5 (30...Qh4 31.Bg7 Rd2+–) 31.Nf4 Kh7 32.Ne6 Rd2 33.Nf8 Bf8 34.Be5 Rf2 (34...Rd7 35.Rbd1 Rg7 36.Rd8 Bc5 37.Rh8 Kh8 38.Qf7 Bf8 39.Qf8 Kh7 40.Qg7) 35.Qf7 Bg7 36.Qg7 1–0. pillsbury (2145) – nimzou (1740), net–chess.com, 2014.

3.e3 a5 4.c3 (4.Bb5?? Bg2 (4...ab4?! 5.Nf3=) 5.ba5 Bh1–+) 4...ab4 5.cb4 Ra4 6.a3 (worse is 6.Bb5 Ra2 (worse is 6...Rb4 7.Bf1=; worse is 6...Bg2 7.Qa4 Bh1 8.Nd2+=) 7.Ra2 Bg2+=) 6...Nc6 (6...e6!?=) 7.Nc3 Nb4?? (7...Ra8 8.Bb2+=) 8.Nb5 (better is 8.Na4 Na6 9.Nc3 c6+–) 8...c6? (better is 8...Ra8 9.Rb1 Nc6+=) 9.Qa4+– cb5 (9...Nd3 10.Bd3 cb5 11.Qb5 Bg2+–) 10.Qb4 e6 11.Qb5 Qc7 (11...Bc6 12.Qb2 Nf6+–) 12.Bd3 (better is 12.Rb1 Bc6 13.Qb8 Qb8 14.Rb8 Ke7 15.Nf3+–) 12...Bg2+/– 13.Ke2 (better is 13.Rb1!? Bd6 14.Qg5 Qc3 15.Ke2 Bf1 16.Kf1 Qd3 17.Ne2 Qd1 18.Kg2 Qe2 19.Qg7+–) 13...Bh1= 14.Nh3 Be7 (14...Qh2 15.Nf4 Bd6+=) 15.e4?? (better is 15.Rb1+=) 15...Bg2?? (15...Qh2!? 16.Ng5 Nf6–/+) 16.Ng1?? Nh6 17.a4 Qh2+= 18.Nf3 Bf3 19.Kf3 0–0 20.Rb1 Qh3 21.Ke2 Qg4 22.f3? Qg2–+ 23.Kd1 Qf3 24.Be2 Qe4 25.Bg5 Bg5 26.Qb8 Qd4 27.Kc2 Qd2 28.Kb3 Rb8 29.Ka3 Rb1 30.Bc4 Qb2# (30...Be7#) 0–1. WirralBoy – nickb, ChessWorld.net, 2012.

3.e3 e6 4.Bb5?? (better is 4.Nf3=) 4...Bg2–+ (4...Bb4?! 5.c3 Bg2 6.Qg4 Bh1 7.Qg7–+) 5.Ne2 Bh1 6.Bb2 (6.Ng3 Bg2–+ (worse is 6...Bb4 7.c3–+)) 6...Bb4 7.c3 c6 8.Ba4 Be7 9.Kd2 Be4 10.Qg1 Bg6 11.Na3 Nf6 12.Nc4 d5 13.Ne5 Qc7 14.Qc1 Nbd7 15.Bc6 Rd8 16.Bd7 Nd7 17.Nd7 Rd7 18.Nf4 0–0 19.Qg1 e5 20.de5 Qe5 21.Ng6 fg6 22.Rb1 Qf5 23.Qf1 Qf2 24.Qf2 Rf2 25.Kd3 Rh2 26.Bc1 Ra2 27.Rb8 Kf7 28.Rh8 h6 29.Ra8 Bc5 30.Rb8 Rc7 31.e4 de4 32.Ke4 Bb6 (32...Bb6 33.Kd3 Rh2–+) 0–1. groovenetwork – Darkseid, ChessWorld.net, 2013.

2.d4 e6

3.a4 ba4 4.Ra4 d5 =.

3.c3 a5 4.e4 =.

3.c3 h6 4.a4+= Ba6 (4...ba4 5.e4+=) 5.e3 Qc8 (5...ba4!? 6.Qf3 d5 7.Ba6 Na6 8.Ra4 Nb8+=) 6.ab5+– Bb5?? (better is 6...Bb7+–) 7.Bb5 Qb7 8.Qf3 Qf3 9.Nf3 a6 (9...Nf6 10.Bd3+–) 10.Ba4 (10.e4 Nf6 11.Bd3 Be7+–) 10...Nf6 11.Nbd2 Bd6 (11...Nd5 12.Bb2+–) 12.0–0 (12.e4 Be7+–) 12...0–0 13.h3 (13.e4 Bf4+–) 13...Nc6 (13...Be7 14.Bb5!+–) 14.Bc6 dc6 15.Ba3 Nd5 16.Ne4 f5 17.Nd6 cd6 18.c4 Nc3 19.c5 dc5 20.dc5 a5 21.Ne5 ab4 22.Bb4 Ra1 23.Ra1 Nd5 24.Nc6 Rc8 25.Ra6 Kh7 26.Ba5 f4 27.ef4 Nf4 28.Bb4 Rf8 29.Ne5 Rf6 30.c6 Nd5 31.Bd6 h5 32.c7 Nc7 33.Bc7 h4 34.Ng4 Rf4 35.Bf4 1–0. alanwsp (1810) – pjp (1725), net–chess.com, 2004.

3.e3 Bb7 4.Nf3 a6 (4...Bb4 5.c3 Be7 6.Bb5=) 5.a3 f5 6.g3 (6.c4 a5=) 6...Nf6 7.Bg2 Ne4 (7...a5 8.ba5 Ra5 9.Bb2=) 8.Bb2 Be7 9.0–0 0–0 10.Nbd2 d5 (10...Qe8 11.Ne5=) 11.Ne5 Nd7 12.f4 (12.Nb3!?+=) 12...Ne5+= 13.fe5 Qe8 14.Ne4 de4 15.Qd2 Bd5 16.Rfe1 g5 17.Bc1 (17.Re2 h5+=) 17...Qg6 (17...h5 18.Bb2+=) 18.Qf2 (18.a4 a5 19.ab5 ab4+=) 18...Rf7 19.Bd2 Raf8 20.a4 (20.Kh1 h5+=) 20...f4+= 21.ab5 (21.gf4? gf4 22.ef4 Rg7–+) 21...ab5 (21...fg3 22.Qg3 ab5 23.Rf1+=) 22.ef4 (22.gf4? gf4 23.ef4 e3 24.Re3 Rf4–+) 22...gf4 23.gf4? (better is 23.Bf4 Bg5 24.Ra3+=) 23...e3!–+ 24.Re3 (24.Be3 Bb4 Deflection; 24.Re3 Qc2 Discovered attack (24...Rf4 Decoy; 24...Rf4 Interception); 24.Qe3 Qg2#) 24...Rf4 25.Qg3 Bg5?? (better is 25...Bg2 26.Qg6 hg6–+) 26.h3?? (better is 26.Re2 R4f5 27.Bd5 ed5 28.Bg5 Qg5 29.Qg5 Rg5 30.Rg2 Rg2 31.Kg2+–) 26...Rf1!!–+ 27.Rf1 (27.Rf1 Be3 Double attack; 27.Bf1 Be3 Double attack) 27...Be3 28.Kh2 Qg3 (28...Bd2 29.Rf8 Kf8 30.Qf2 Ke7 31.Qd2 Bg2 32.Qg2+/–) 29.Kg3 Bd2 30.Rf8 (30.Rd1 Bf4 31.Kh4 Bc4–+) 30...Kf8 31.Bd5 (31.Bf1 c6 32.Kf2 h5–+) 31...ed5 32.Kg4 Bb4 33.Kf5 (33.Kg5 Kf7 34.e6 Ke6–+) 33...Ke7 0–1. Gonzalez Cespedes,M (1825) – Campos Calvo_Sotelo,Juan (2035), Madrid–ch Seniors, 2008. (=1.d4 b5 2.b4 e6)

3.e4 Bb7 4.Qg4 (better is 4.f3!?=) 4...Nf6–/+ 5.Qh4 Be4 (5...Bb4?! 6.c3 Be7 7.e5=) 6.c3 Bb1 7.Rb1 Be7 (7...a5 8.a3 c6 9.Bd3–/+) 8.Qg3 g6 (better is 8...a5!? 9.a3 ab4 10.ab4 Ra2+=) 9.Bb5+= 0–0 10.Bd3 d5 11.Nf3 Ne4 12.Be4 de4 13.Ng5 f5?? (better is 13...Qd5+=) 14.Ne6+– Qd5 15.Nc7 Qa2 16.Rb2 (16.Na8?! Qb1 17.0–0 Qb3+–) 16...Qc4 17.Na8 Na6 18.b5 f4?? 19.Bf4 Rf4 20.Qf4 Qc3 21.Rd2 Bb4 22.Rf1 Qc1+/– 23.Ke2 Qc4 24.Ke1 Bd2?? 25.Qd2+– Nb4 26.Rg1 Nd3 27.Ke2 Nc5 28.Ke3 Qb3 29.Kf4 Qf7 30.Ke3 Qb3= 31.Kf4 Qf7 ½–½. axxle (2255) – pawnraider (2335), net–chess.com, 2013. (=1.d4 b5 2.b4 e6)

2.e3 Ba6

3.a4+= ba4 4.Ra4 (4.Ba6 Na6 5.Ra4 Nb8+=) 4...Bf1= 5.Kf1 c6 6.Nf3 Nf6 7.c4 d5 8.Qb3 e6 9.Ba3 Bd6 10.c5 Bc7 11.b5 cb5 12.Qb5 Nfd7?? (12...Nbd7 13.Nc3=) 13.c6?? (13.Qb7!? Nc5 14.Bc5 Nd7 15.Ra7 Ra7 16.Qa7 Nc5 17.Qc5 Bd6 18.Qb5 Ke7+–) 13...Nc6?? 14.Qc6+– Be5?? 15.Ne5 Rc8 16.Qd7 Qd7 17.Nd7 Kd7 18.Ra7 Ke8 19.Re7 Kd8 20.Rf7 g5 21.Ke2 Ke8 22.Rg7 h6 23.Re7 Kd8 24.Re6 Kd7 25.Rd6 Ke7 26.Rd5 Ke6 27.Rd6 Ke5 28.d4 Kf5 29.Bc5 g4 30.h4 Rcd8 31.f3 Rd6 32.Bd6 gf3 33.gf3 Ke6 34.Be5 Rg8 35.Rh2 Rg1 36.Nc3 Rc1 37.Ne4 Rc2 38.Nd2 Kd5 39.e4 Kc6 40.d5 Kd7 41.Kd3 Ra2 42.f4 h5 43.Rg2 Ra3 44.Kc4 Ra2 45.f5 (45.f5 Ke8 46.f6+–) 1–0. Willi_weizenkeim – Flannery, playchess.de, 2006.

3.a4 c6 +=.

3.Qh5 Nc6 4.a3= (< 4.Bb5 Nf6 5.Qe2 Nb4=+).

3.Qh5 g6 4.Qd5 c6 5.Qe5 (5.Qb3 Bg7 6.d4 Nf6=) 5...f6 (5...Nf6 6.a4=) 6.Qe4 (6.Qc3 Bb7=) 6...Bh6 (6...d5 7.Qh4=) 7.Bb2 f5?? (7...d5 8.Qh4=) 8.Qe5 (Better is 8.Qh4 Nf6 9.Qh6+–) 8...Nf6= 9.Qg3 0–0 10.Nf3 Nh5 11.Qh3 Bg7 12.Bg7 Ng7 13.Ng5 Nh5 14.Be2 e6 15.Nh7 Kh7–/+ 16.Bh5 gh5 17.Qh5 Kg7 18.0–0? Rh8–+ 19.Qf3 Kf8 20.Qg3 Qf6 21.Nc3 d5 22.Ne2 Qe7 23.c3 c5 24.a3 Bb7 25.Qe5?? Qh7?? 26.h3 Bc8 27.Nf4 Nc6 28.Qd6 Kg7?? 29.Qc6+– Rb8 30.Qc7 Kf6 31.Qb8 Ba6 32.Qd6 Qb7 33.Qe6 Kg7 34.Qf5 Rf8 35.Ne6 Kh8 36.Qf8 Kh7 37.Nc5 Qc6 38.Na6 Qa6 39.Qf7 1–0. Anden – alhambra, Live Game Caissa's Web, 2004.

2.e3 c6

(--> 1.b4 c6 2.e3 b5).

3.a4 (--> 2.a4 c6 3.e3).

2.e4 Ba6

3.a4 c6 4.ab5 Bb5 5.c4 e5?? 6.cb5 Bb4 7.bc6 Nc6 8.Qg4 g6 9.Ba3 Nf6 10.Qh4 Ba3 11.Ra3 Rb8 12.Nc3 Nd4 13.Ra6 0–0?? 14.Qf6 Qc7 15.Bd3 Rb2 16.Nge2 Nc2 17.Bc2 Rc2 18.Nd5 Rc1 19.Nc1 Qc1 20.Ke2 Qc4 21.d3 1–0. rekt – rsham, internet, 2001.

3.Nc3 Nc6 4.Bb5 (4.Nb5 Nb4 5.a3 Nc6+=) 4...Bb5= 5.Nb5 e5 6.a3 Nd4 (6...a5!? 7.ba5 Ra5+/–) 7.Nd4+– ed4 8.d3 h6 9.Nf3 c5 10.bc5 Bc5 11.0–0 Nf6 12.Bd2 (12.Bb2!? d5 13.Bd4 Bd4 14.Nd4 de4 15.de4 0–0+–) 12...0–0+/– 13.Bb4 Bb4 14.ab4 Qb6 15.Rb1 Qb5? (better is 15...Rfe8!?+/–) 16.Nd4+– Qb6 17.Nf5 d5 18.Ne7 Kh8 19.Nd5 (19.ed5?! Qd6 20.Nf5 Qd5+–) 19...Nd5 20.ed5 Rad8 21.c4 a5 22.ba5 Qc5 (22...Qa5 23.Qf3+–) 23.Rb5 Qd4 24.Kh1 Rb8 25.Qb3 (25.Qa1 Qf4+–) 25...Ra8 (25...Rb5 26.cb5 Rc8 27.Kg1+–) 26.c5 Qe5 27.c6 Qe2 28.Kg1 Rfe8 (28...Qe5 29.Rc1+–) 29.c7 (better is 29.d6 Rf8+–) 29...Qd2 (29...Qe5 30.Rc5 Rac8+–) 30.d6 Rg8 (30...Qf4 31.d7 Qc7 32.de8R Re8 33.a6+–) 31.d7 Qe2 32.d8Q (better is 32.Rb8 Rab8 33.Qb8 f5+–) 32...Rgd8 33.cd8Q Rd8 34.Qf7 (better is 34.Rb8 Kh7 35.Rd8 Qe7+–) 34...Qd3 35.Rb7 Rg8 36.Qb3 Qd8 (36...Qd6+–) 37.a6 Qa8 38.a7 Qe8 39.Rb8 Qb8 40.ab8Q Rb8 41.Qb8 Kh7 42.Qe5 1–0. zucchini – edog13, ChessWorld.net, 2015.

2.Nf3 Bb7

3.Nc3 a5 4.Rb1 =.

3.Nc3 a6 4.d3 e6 5.Ne5? (better is 5.a3=) 5...Bb4–+ 6.Bb2 d6 7.Nf7? (better is 7.Nf3–+) 7...Kf7 8.e4 Nf6 9.Be2 d5 10.0–0 d4 11.e5 (11.Nb1–+) 11...dc3 12.Bc1 Nd5 13.Bh5 Kg8 14.Qg4 Qe7 15.Bg5 Qf8 (better is 15...Qd7–+) 16.Qe6 1–0. edog13 – zucchini, ChessWorld.net, 2015.

3.Nc3 Bf3 4.gf3 (4.ef3!? e6 5.Nb5 Bb4 6.a3=) 4...a5= 5.Nb5 c6 6.Nd4 e5 7.Nf5 (7.Nb3 ab4 8.Bb2 Qe7=) 7...g6 8.Ne3 d5 (8...ab4!? 9.Nc4 f6=+) 9.Bb2 f6 10.c3 (10.ba5 Ra5 11.Rg1 Rb5+=) 10...a4 (better is 10...ab4!? 11.cb4 Bb4=+) 11.a3+/– Nd7 12.d4 f5 (12...Bh6!?+/–) 13.de5+– Qe7 (13...f4 14.Ng2 Ne5 15.Nf4+/–) 14.f4 Bh6 15.Qd4 Qe6 (better is 15...Nf8+–) 16.c4 Ne7 17.Bg2 dc4 18.Nc4 0–0 19.b5! Rac8 20.Nb6?? (better is 20.Nd6 cb5 21.Nc8 Rc8 22.Rd1+–) 20...Nb6+/– 21.Qb6 Bf4 (21...Rfd8 22.Rc1 Rb8 23.Qc7 cb5 24.e3+=) 22.Qd4 Rfd8? (better is 22...Bg5 23.b6 Rb8+/–) 23.Qf4+– cb5 24.Rc1 Nd5? 25.Bd5 Qd5 26.0–0 Qb3 27.Rc8 Rc8 28.Rc1 Rd8 29.Qb4 Rd1 30.Rd1 Qd1 31.Kg2 Qe2 32.Qd4 Qg4 33.Qg4 fg4 34.Kg3 h5 35.Kh4 Kf7 36.Kg5 Kg7 37.e6 Kf8 1–0. quikeagle – ifairclough, net–chess.com, 2002.

3.e3 (--> 2.e3 Bb7 3.Nf3).

2.Nf3 d5

3.e3 a6 4.Be2 (4.a4 e6+=) 4...Bg4 (4...e6 5.c3=) 5.0–0 Bf3 6.Bf3 Nf6 7.d3 e6 8.Bb2 (8.a4!?=) 8...Bb4=+ 9.Nd2 Bd2 (9...0–0 10.Rb1 Bd6 11.c4=+) 10.Qd2 0–0 11.h3 (11.a4 Nbd7=+) 11...c6 12.Rfe1 h6 (12...Nbd7 13.e4–/+) 13.a4=+ ba4 14.Ra4 Nbd7 15.Rea1 Qc8 16.Be2 Nc5 (16...c5 17.c4=) 17.R4a2 Qd8 (17...Ncd7 18.Bf6 Nf6 19.d4=) 18.Bd4 Nfd7? (better is 18...Ncd7!?+=) 19.Qc3 Qe7 20.Bg7 Rfb8 21.Bh6 Qf6 (21...e5!? 22.d4 Qh4 23.dc5 Qh6+–) 22.Qf6 Nf6 23.Bg5 Nh7 24.Bf4 Rd8 25.f3 Nf6 26.Bg5 Kg7 27.d4 Ncd7 28.Ra6 Ra6 29.Ra6 Rc8 30.Bh4 Kf8 31.Be1 c5 32.c3 cd4 33.cd4 Rc1 34.Kf2 Kg7 35.Bd2 Rc2 36.Ke1 Nh5 37.Bd3 Rb2 38.Ra7 Nhf6 39.g4 Nf8 40.h4 Ng6 41.h5 Nh4 42.Be2 Ng2 43.Kd1 Rb1 44.Kc2 Rb8 45.Bd3 Rc8 46.Kd1 Re8 47.Bf1 Nh4 48.Ke2 e5 49.Be1 ed4 50.Bh4 Re3 51.Kf2 Ng8 52.Rd7 Nf6 53.Bf6 Kf6 54.Rd5 Re8 55.Bd3 Rh8 56.Rd4 Rh6 57.Kg3 Ke5 58.Re4 Kd5 59.Rf4 f6 60.Be4 Ke5 61.Bg6 Rh8 62.Re4 Kd6 63.Kf4 Kd5 64.Kf5 Rf8 65.Re6 Kd4 66.Rf6 Rd8 67.h6 Rd5 68.Kf4 Kc3 69.h7 Rd4 70.Kg3 Rd8 71.Be4 Kc4 72.Rg6 Kc5 73.Rg8 Rg8 74.hg8Q Kd4 75.Qd5 Kc3 76.Qd3 Kb4 77.Bd5 Kc5 78.Qc4 Kd6 79.f4 Ke7 80.f5 Kf6 81.Kf4 Ke7 82.g5 Kf8 83.f6 Ke8 84.g6 Kd7 85.g7 Kd8 86.f7 Ke7 87.f8Q Kd7 88.Qc6# 1–0. guerino (2100) – iboyd (1950), net–chess.com, 2006.

2.Nf3 e6

3.Bb2 Bb4?? 4.Bg7 Bb7 5.Bh8 +–.

3.Bb2 Nf6 4.a3 a5 5.e3 c6 6.c3 Be7 7.Be2 0–0 8.0–0 d6 9.d3 c5 10.bc5 dc5 11.Ne5 Bb7 12.Nd2 Nc6 13.Nc6 Bc6 14.Bf3 Rc8 15.Bc6 Rc6 16.Nf3 Rd6 17.d4 Qb6 18.Ne5 Rc8 19.Rc1 Rdd8 20.f4 Qb7 21.f5 Qe4 22.fe6 Qe3 23.Kh1 fe6 24.Rc2 Qe4 25.Re2 Qd5 26.Ref2 cd4 27.cd4 Rf8 28.Kg1 b4 29.ab4 ab4 30.g4 (30.Qe2 Nd7 31.Rf8 Rf8–/+) 30...Bd6 31.Qe2 b3 32.g5 Rc2 33.Qa6? (33.Qe3 Rf2 34.Rf2 Be5 35.Qe5 Ne4 36.Rf8 Kf8–+) 33...Be5 (better is 33...Rb2!? 34.Rb2 Qd4 35.Kh1 Be5 36.Qe6 Kh8 37.Rb3 Qe4 38.Rbf3–+) 34.de5 Rf2 35.Rf2 Ne4 36.Rf8 Kf8 37.Ba3 (37.h4 Qc5 38.Kh1 Qc2 39.Ba3 Kf7 40.g6 Kg6 41.Qe6 Kh5 42.Qf5 g5–+) 37...Kf7 38.Qf1 (38.Qe2 Kg6 39.Bb2 Nc5–+) 38...Kg6 39.Qf4 Qd4 40.Kg2 Qd2 (40...b2!? 41.Bb2 Qb2 42.Kf1 Ng5 43.Ke1–+) 41.Qd2 0–1. Cubok,Zdenek (1925) – Hasangatin,Ramil (2435), Karvina op, 2005. (=1.Nf3 b5 2.b4 e6)

3.e4 Bb7 4.e5 Bf3 5.Qf3 Nc6 6.Bb5 Ne5 7.Qe3 Ng6 8.a3 a5 9.ba5 Ra5 10.Be2 Re5 11.Qf3 Bc5 12.Rf1 Rf5 13.Qc3 Qh4 0–1. Sopko,Cassio Roberto (2160) – Battaglia,Horacio, EM/MLP/01 corr, 2002.

3.g3 h5 (3...Bb4 4.Bb2 Nf6 5.e4–/+) 4.Bh3 (4.a4!?=) 4...Bb4+= 5.a3 Bc5 6.0–0 Nc6 7.d3 (7.Bg2 Nf6+=) 7...f6 (better is 7...h4 8.g4 Qf6–/+) 8.Bf4? (8.Bg2!?+=) 8...e5 (better is 8...g5!? 9.d4 Bb6–+ (9...gf4?! 10.dc5 fg3 11.hg3–/+)) 9.Be3 Be3 10.fe3 g6 (10...h4 11.g4–/+) 11.Nc3 a6 12.a4 b4 13.Nd5 f5 14.d4 ed4 (14...Nf6 15.de5 Nd5 16.Qd5+=) 15.ed4+= d6 (15...Nf6 16.Nf4 Rg8 17.Ne5+=) 16.Nh4 Rh6 (16...Nge7!? 17.Bg2 Rb8=) 17.Qd3 a5 18.Qb5 Bd7 19.Qb7?? (19.Qc4!? Nge7 20.Bg2+=) 19...Rb8 (better is 19...Ra7!? 20.Qb5 Ne5 21.Nc7 Qc7 22.Qd5–+) 20.Nc7?? Ke7?? 21.Qa7?? Rc8 22.Qb6?? Rc7 23.Rad1 g5 24.Nf3?? Ke8 25.d5 Ne5 26.Qd6?? Rd6 27.Ne5 Rc2 28.Rf2 Ba4 29.Bf1 Ne7 30.Ra1 Bb3 31.e3 Rc5 32.Rb2 a4 33.Re2 Rcd5 34.Kg2 Re5 35.Rc1 Ng6 36.Rb1 h4 37.Rd2 Rd2 38.Kg1 Re3 39.Rc1 hg3 40.Re1 gh2 41.Kh1 Re1 White stalemated (41...Qd5 42.Bg2 Qg2) ½–½. jellybumpy – Pekin Dragons, ChessWorld.net, 2013.

2.f4 Bb7

3.Nc3 a6 4.Nf3 f5 5.a4 Nf6 6.ab5 ab5 7.Ra8 Ba8 8.Nb5 c6 9.Nbd4 e6 10.Ba3 Na6 11.c3 Be7 12.e3 0–0?? (better is 12...Nc7+/–) 13.Ba6+– Ne4 14.Bc4 d5 15.Be2 Qd7 16.Ne5 Qc8 17.0–0 Nd6 18.Qa4 Ne4 19.Nec6 Bc6 20.Nc6 Bd6 21.b5 Nd2 (21...Ba3 22.Qa3 Qb7+–) 22.Bd6 Nf1 (22...Rf7 23.Ra1 Ne4+–) 23.Ne7 Kh8 24.Nc8 Rc8 25.Bf1 1–0. b4_player – jan, internet, 2013.

3.Nc3 e6 4.e3 c6 (4...Qh4 5.Ke2+=) 5.a4 (5.a3 a5 6.ba5 Qa5=) 5...a6 (5...Bb4 6.Bb2+=) 6.Nf3 (6.Rb1!?=) 6...Bb4–/+ 7.Bd3 d5 8.0–0 Nf6 9.Ne5 Kf8 (9...Bc3!? 10.dc3 Nbd7–/+) 10.Ne2 ba4 11.Rb1 c5?? (better is 11...Qe7+=) 12.c3+/– Ba3?? (better is 12...a5 13.Qa4 Ba6 14.cb4 ab4 15.Ba6 Ra6+–) 13.Ba3+– (13.Rb7 Bc1 14.Nc1 c4 15.Nf7 Qc8+–) 13...Qc7 14.Bc5! Qc5 15.Rb7 Nfd7 16.Rd7 f6 17.Nd4 Ke8 18.Qh5 g6 19.Bg6! hg6 20.Qg6 (20.Qg6 Kf8 21.Ne6) 1–0. b4_player – mikrus, casual, 2013.

2.g3 Bb7+=

3.Nf3 e5 4.Bb2 e4 5.Nd4 e3 +=.

3.Nf3 e5 4.c3 d6 (4...a5 5.ba5 e4 6.Nd4+=) 5.Bg2 Be7 6.0–0 h6. TheWelshKnight – 19larry, ChessWorld.net, 2014.

3.Nf3 e5 4.Bg2 Bb4 5.a3 (5.0–0 e4 6.Nd4 a6+=) 5...Bc5–/+ 6.Bb2 d6 7.0–0 Nf6 8.c4 (8.d4 ed4 9.Bd4 Bd4 10.Nd4 Bg2 11.Kg2 a6–/+) 8...a6 (8...bc4!? 9.Qc2 e4–+) 9.cb5 ab5 10.Qb3 (better is 10.d4 ed4 11.Bd4–/+) 10...Qd7?? (better is 10...Bd5 11.Qc2 Nbd7–/+) 11.Ne5+= de5 12.Bb7 Ra7 13.Bc8?? Qc6?? 14.Rc1 Qd6 15.Qb5+/– Nbd7 16.Bd7 Nd7 17.Nc3 f5 18.e4 0–0 19.Qc4+/– Kh8 20.Nb5 Qd2 21.Rc2+– Bf2 22.Kf1 Qe3 23.Rf2 Nb6? 24.Qb4 c5 25.Qd2 Qd2 26.Rd2 fe4 27.Rf2 Raf7 28.Rf7 Rf7 29.Ke2 e3 30.Be5 Nc4 31.Rd1?? h6?? 32.Rd8 Kh7 33.Bf4 g5 34.Be3 Re7 35.Rd3 Ne5 36.Bc5 Nd3 37.Be7 Nb2 38.Nc3 Nc4 39.a4 1–0. Joie,Sebastien – Fournier,Frederic, Match Active, 1999.

2.a4 ba4

3.Ra4 a5 4.e4 e5 5.ba5 Bc5 (5...c6 6.Bc4 Ra5 7.Ra5 Qa5 8.Qf3) 6.Nf3 Nc6 (6...d6 7.d4 Bd7 A) < 8.dc5 Ba4 9.Nc3 Bc6=+ (< 9...Ra5 10.Na4 Nd7 11.Nc3+/–); B) 8.Ra2 ed4 9.Nd4) 7.Ne5 f6?? (better is 7...Ne5 8.d4 Nc6 9.dc5 Ra5 10.Ra5 Na5+–) 8.Qh5+– g6 9.Ng6! Bf2 (9...hg6 10.Qh8) 10.Kf2 Nge7 (10...hg6 11.Qh8 Nce7+–) 11.Nh8 Kf8 12.Qf7# 1–0. MrkT – chuckturnerir, internet, 2005.

3.Ra4 c5 4.e3 e5 5.b5 a6 6.c4 d5 7.Bb2 dc4 8.Bc4 a5 9.Qf3 Ra7 10.Be5 Nd7?? 11.Qf7# 1–0. Trkn – nickshepp, itsyourturn.com, 2001.

3.b5 Bb7 4.c4 (4.Ra4 a6=) 4...Nf6 (4...a6 5.Ra4 e5 6.Bb2=) 5.f3 (5.d4 a6=) 5...d6 (5...a6!?=+) 6.Ra4 a5 (6...e5 7.d4=) 7.g3 (7.d4!?=) 7...Nbd7=+ 8.Ra3 (8.Ra1 e6=+) 8...e5–/+ 9.e4 (9.Ra1 d5–/+) 9...Nc5 (9...d5!? 10.cd5 Ba3 11.Ba3 h5=+) 10.Nc3 (10.Bb2 Ne6=+) 10...Be7 11.h4 (11.Kf2 Ne6=+) 11...h6 (better is 11...0–0=+) 12.Nge2?? (12.d4 ed4 13.Qd4=+) 12...c6 13.bc6?? Bc6 14.Nd5?? a4?? 15.Nec3 Nb3 16.Na4?? Ba4?? 17.Rb3 Bb3 18.Qb3 0–0 19.Nf6 Bf6 20.Bh3 Rb8 21.Qe3 Rb1 22.0–0 g5 23.Bf5 Qa5 24.d3 Qc3 25.h5 Rc1?? 26.Rc1Qb4 27.g4 1–0. riverborne – cervantes, Live Game Caissa's Web, 2006.

3.c3 ba4 4.Qa4 e5 5.e3 Bb7 (5...Nf6 6.d3=) 6.Ba3 (better is 6.Qb5!? Bc6 7.Qe5 Ne7 8.d4+/–) 6...Qg5 7.Qb5 Bg2 8.Bg2?? (8.Nh3 Bf1 9.Rf1= (9.Ng5?? Bb5 10.d4 a5–+)) 8...Qg2–+ 9.Ke2 Qh1 10.Nf3 Qg2 (better is 10...Nc6 11.Qb7 Rd8 12.Qc7 Nf6–+) 11.Qb7= Qg4 (11...Nc6 12.Qa8 Nd8 13.d3=) 12.Qa8 Qc4?? (better is 12...e4 13.Qb8 Ke7 14.b5 Ke6 15.Qe8 Ne7 16.Be7 Qf3 17.Ke1 Qh1 18.Ke2 Qf3 19.Kf1 Qh1 20.Ke2 Qf3=) 13.Ke1 Qb5 14.Ne5?? Qe5? 15.Qb8+– Ke7 16.b5 d6 17.Qc7 Kf6 18.f4 Qh5? 19.Bd6 Bd6 20.Qd6 Kf5 21.Qe5 Kg6 22.Qh5 Kh5 23.Ra7 Nh6 24.Na3 Ng4 25.Rf7 g6 26.b6 1–0. maddoxdb – lrburk, gameknot.com, 2013. (=1.c3 b6 2.b4 b5 3.a4 ba4)

3.c3 e5 4.Qa4 Nf6 5.d3 Bd6 6.Nf3 0–0 7.Bg5 h6 8.Bh4 Nc6 9.Nbd2 Bb7 10.e3 Be7 (10...a5 11.b5 (11.ba5?! Ra5 12.Qd1 Ra1 13.Qa1 Qe7=) 11...g5 12.Ng5 hg5 13.Bg5+/– (13.bc6? Bc6 14.Qc4 gh4–+)) 11.b5+/– Nb8 12.Ne5 a6 13.Qb3 Bd6 (13...Bd5 14.c4 ab5 15.Ra8 Ba8 16.Qb5+/–) 14.Nec4 Be7 15.b6 cb6 16.Qb6 Qb6 17.Nb6 Ra7 18.d4 Re8 19.Nbc4 Bd5 20.Rb1 Nc6 21.Bf6 Bf6 22.Nd6 Re6 23.Nc8 Rc7 24.Nb6 (24.Ba6 Nd4 25.Rb8 Bg2 26.Nb6 Kh7 27.cd4 Bh1 28.Bd3 g6–/+) 24...Ne7 25.c4 (25.Ba6?! Bg2 26.Rg1 Bd4 27.Nd7 Ba7 28.Rg2 Ra6+=; 25.Nd5?! Nd5 26.Bc4 Nc3 27.Rb8 Kh7 28.Be6 de6+/–) 25...Be4 26.Ne4 Re4 27.Kd2 Re6 28.c5 Ra7 29.g3 Rc6 30.Bg2 Rcc7 31.Rhc1 Ng6 32.Nd5 Rc6 33.Rb8 Kh7 34.Be4 Re6 35.Bf5 Rc6 36.h4 h5 37.g4 hg4 38.h5 (38.h5 Bg5 39.hg6 fg6 40.Bg4+–; 38.Bg4?! Nh4 39.Nb6 Rcc7+–; 38.Nf6?! Rf6 39.e4 Kh6+–) 1–0. Baroin,Bernard (2015) – Rogers,Henry, IECG, 2004.

3.c3 e6 4.Qa4 Bb7 5.d3 c5 6.bc5 Bc5 7.Ba3 Bc6 8.Qc2 =.

3.c3 g5 4.d4 h6 5.Nd2 Bb7 6.Qa4 Bc6 7.Qc2 Qc8 8.e4 Nf6 9.Bd3 a6 10.Ne2 Ra7 11.0–0 Qb7 12.d5 Bb5 (12...Nd5 13.ed5 Bd5 14.Ne4+–) 13.c4 Bc4 14.Nc4 Qb4 (14...Ra8+–) 15.Rb1 Rb7 16.Ba3 Qb1 17.Rb1 Bg7 (17...Rb5+–) 18.Nd6! Kf8 (18...cd6 19.Qc8) 19.Rb7 Kg8 20.Rb8 Bf8 21.Nf5 Kh7 22.e5 Nd5 23.Ne7 Kg7 24.Nf5 Kh7 25.Nfg3 Kg7 (25...Kg8 26.Rf8 Kg7 27.Nh5) 26.Nh5 Kg8 27.Rf8# 1–0. Taulien,Hans_Juergen – Flick,Jeff, remoteschach.de, 2002.

3.c3 g6 4.d4 Bg7 5.e4 Nf6 6.Nd2 0–0 7.Qa4 Bb7 8.Qb5 Nc6? (Better is 8...Bc6 9.Qd3 Bh6+/–) 9.Qb7+– Rb8 (9...a6 10.b5 Ra7 11.bc6 Rb7 12.cb7 c5+–) 10.Qa6 Rb6 11.Qd3 d6 12.Ngf3 e6 13.Be2 e5 (13...Rb7 14.0–0+–) 14.b5 Na5 (14...Ne7+–) 15.Ra5 Qd7 (15...Qb8 16.de5 Ng4 17.Nc4 de5 18.h3+–) 16.de5 de5 17.Nc4 c6 (17...Qd3 18.Bd3 Rb7 19.Nce5+–) 18.Qd7 Nd7 19.Nb6 (19.Ra7 cb5 20.Nb6 Nb6 21.Bb5 Ra8+–) 19...Nb6 (19...ab6 20.Ra7 Nc5 21.bc6 Ne4 22.Ba3+–) 20.bc6 Nc8 (20...Rc8 21.Ra7 Rc6 22.Be3+–) 21.c7 Re8 22.Ba6 (Better is 22.Rd5 Bf6+–) 22...Kf8 23.Ba3 Kg8 24.Rd5 Re7 25.Rd8 Bf8 26.Bc8 Kg7 27.Bb7 Rc7 28.Bf8 Kf6 29.Rd6# 1–0. Baumann,Heinz – Pieleck,Kerstin, RSX9E – A00 – Sokolsky–1, 2002.

3.Nc3 e6 4.b5 Bb7 5.Ra4 Nf6 6.Nf3 Be7 7.d3 0–0 8.h4 Nd5 9.Nd5 Bd5 10.Rg4 (10.e4!? Bb7 11.Bg5=) 10...a6 11.e4 (11.Bh6 Bf6+=) 11...Bb7 (better is 11...f5!? 12.Rg3 fe4 13.de4 Be4–/+) 12.Bh6= g6 (12...Bb4 13.Ke2 A) 13...ab5? 14.Rg7 (14.Bg7?! f5 15.Rg3 Kf7+–) 14...Kh8 15.Ng5+–; B) 13...Bc3+/–) 13.Bf8+/– Bf8 14.h5 ab5 15.hg6 hg6 16.Qd2 (16.Qb1 c6 17.Rgh4 Qa5 18.Ke2+/–) 16...Bg7+= 17.Ke2 d5 18.e5 d4 19.Ng5 Nd7 20.Rh7 (better is 20.f4!?+=) 20...Ne5+= 21.Rgh4 c5?? (better is 21...Qf8+=) 22.Rg7!+– Kg7 23.Rh7 Kg8 24.Qf4 Qc7?? (better is 24...Qg5 25.Qg5 Kh7 26.Qe5 Rc8+–) 25.Ne6! Qd6 (25...fe6 26.Rc7 Pinning (26.Rc7 Deflection)) 26.Rg7 Kh8 27.Qh6 (27.Qh4) 1–0. pdchessvamp – retiponziani, ChessWorld.net, 2012.

3.c4 c5 4.bc5 e5 5.Ba3 Nc6 6.Nc3 Nf6 7.Qa4 Qa5 8.Qa5 Na5 9.e3 Nb3 10.Rb1 Nc5 11.Nf3 a6 12.Ne5 d6 13.Nf3 Be7 14.d4 Ne6 15.Bd3 0–0 16.g4! Rd8 (16...Ng4 17.Nd5 Combination) 17.g5 Ne8 18.Nd5 Ng5?? (better is 18...Bg5 19.Nb6 Rb8+–) 19.Ne7 Kf8 20.Ng5 (20.Ng5 Ke7 21.c5+–) 1–0. pierred (2760) – croach (2355), net–chess.com, 2011.

3.c4 Nc6 4.Qa4 Nf6 5.Nf3 g5 (5...e6!? 6.b5 Nb4=) 6.b5 Nb8 (6...g4 7.bc6 gf3 8.ef3 dc6 9.Qc6 Bd7 10.Qc5+/–) 7.Nc3 (7.Ng5 a6+/–) 7...g4+= 8.Nd4 (8.Ne5 a6+=) 8...Rg8 9.e3 Rg5 (9...a6 10.Bb2+=) 10.h4 (10.f4 gf3 11.Nf3 Rg8+=) 10...Rh5 11.Nde2 1–0. pierre – toppon, internet, 2010.

3.e3 a6 4.Be2 (4.Ra4 e6+=) 4...Bb7 (4...e5 5.Ra4 Bb7 6.Nf3=) 5.Nf3 Nc6 (5...e5 6.Ne5 Bg2 7.Rg1=) 6.b5 (6.c3!?+=) 6...ab5+= 7.Bb5 e6 (7...e5 8.d3+=) 8.Bb2= Nf6 9.c4 The pressure on the isolated pawn grows (9.Ra4 Ra4 10.Ba4 Bb4=) 9...Bb4 (9...a3 10.Ba3 Nb4 11.0–0+=) 10.0–0 0–0 11.Ra4 Qe7 (11...Be7 12.d3=) 12.Bf6 gf6 13.d4 f5 (13...Rfb8 14.Ne1+=) 14.d5 Na5 15.Bd7 Rfd8 16.Rb4 (16.de6 fe6 17.Rb4 Rd7=) 16...Qb4 17.de6 Qe7 (17...Qc4 18.Ng5 Qh4 19.ef7 Kf8 20.f4+/–) 18.Nd4 fe6 19.Be6 (19.Ne6?? Rd7 (19...Qd7?! 20.Nd8 Rd8 21.Qh5–+) 20.Nd4 Qg7–+) 19...Kh8 20.Qe1 (20.c5 Qg7 21.g3 Nc6 22.Bf5 Nd4 23.ed4 Rd4=) 20...f4 21.Qc3+= Do you see the mate threat? 21...Qg7 22.Nf5 Qc3 23.Nc3 Bc8 24.Bc8+/– Rdc8 25.c5 fe3 26.Ne3 Nb3= 27.c6 Nd4 28.h3 Nc6+= 29.Ncd5 Ra7 30.Rc1 Nd4–/+ 31.Rc4 c5 32.Ng4 Kg7–/+ 33.Nf4 Ra2 34.Nd3 Rc2 35.Ra4 Rc7 36.Nf4 Ne2 37.Ne2 Re2 38.Kf1 Ree7 39.Ne3 Ra7 40.Rg4 Kf8 41.Rf4 Rf7 42.Rc4 ½–½. Beekes,Noud – Hicdoenmez,Hakan, SL–2007–0–00062, 2007.

3.e3 Bb7 4.Nf3 e6 5.Ba3 Nf6 6.Be2 d5 7.c3. Geiger,Walter (2065) – Hall,Dick (1615), TE.2004.P.01707, 2004.

3.e3 e5 4.Ra4 d5 5.Bb2 =.

3.e4 d6 4.Nc3 Bd7 5.Nf3 e5 6.d4 ed4 7.Nd4 Nc6 (better is 7...d5!? 8.b5 Bb4+=) 8.Nc6+/– (worse is 8.Ra4 Nd4 9.Qd4 Ba4 10.Na4 Qd7+=) 8...Bc6 9.Bd3 (9.b5 Bd7+/–) 9...Qe7 (better is 9...d5 10.b5 Bb4=) 10.b5+/– Bb7 11.Na4 (11.Ra4!? Nf6 12.0–0+/–) 11...Be4 (11...d5!?=) 12.0–0+= d5? (12...Bd3 13.Qd3 Qe6 14.Bg5+/–) 13.Be4 (better is 13.Re1!?+–) 13...de4+/– 14.Qd5 Rd8 15.Qc6 Rd7? (better is 15...Qd7 16.Qe4 Qe6+–) 16.Rd1 Nf6 17.b6! cb6 (17...ab6 18.Nb6; 17...cb6 18.Nb6) 18.Nb6! Qe6 (18...ab6 19.Ra8 Decoy) 19.Qc8 Ke7 20.Ba3 Rd6 21.Rd6 Qc8 (21...Qd6 22.Bd6 Kd6 23.Nc4 Ke7 24.Ra7 Nd7 25.Qc6 f5 26.Rd7 Ke8 27.Qc8#) 22.Rc6 Kd8 (22...Ke8 23.Rc8#) 23.Rc8# 1–0. jojobishop (1975) – pwillows (2115), net–chess.com, 2012.

3.Nf3 Nc6 4.b5 Nb4 5.e4 e5 (5...d5!? 6.e5 Bf5+=) 6.c3+/– (6.Ne5?! Qe7 7.Bb2 d6+=) 6...Nf6 (better is 6...d5!? 7.cb4 de4+–) 7.cb4+– Bb4 8.Ra4 Bc5 (8...Qe7 9.Ne5! Bb7 10.f3+–) 9.Ne5 0–0 10.d4 Bd6 11.Bd3 c6 12.bc6 dc6 13.Nf3 Bg4 (13...Qe7 14.e5 Bb4 15.Bd2+–) 14.e5 Nd7 (14...Re8 15.0–0+–) 15.ed6 a5 (15...Re8 16.Be3+–) 16.0–0 Rb8 (16...Nb6 17.Ra2+–) 17.Nbd2 Nf6 18.Qc2 Qd6 (18...Rb4 19.Ne5 Bd7 20.Ndc4+–) 19.Ba3 Qd5 20.Ne5 Bh5 (20...c5 21.Bc5 Be6 22.Bc4+–) 21.Nc6 Rbc8 (21...Qe6 22.Bf8 Rf8 23.Ra5+–) 22.Ne7 Kh8 23.Nc8 Bg4 24.Bf8 Ng8 25.Nd6 g6 26.Qc7 Qe6 27.Nf7 Qf7 28.Qf7 Nh6 (28...Nf6 29.Bg7) 29.Bg7# 1–0. michaelbuss – nh001, ChessWorld.net, 2009.

3.Nf3 d6 4.c4 Be6 5.Qa4 Bd7 6.b5 a6 7.Nc3 c6 8.d4 cb5 9.cb5 a5 (9...Ra7!?+/–) 10.e4+– e6 11.Bc4 Be7 12.0–0 Nf6 13.e5 de5 14.de5 Nh5 15.g4 Nf4 16.Bf4 Bb4 17.Ne4 0–0 18.Qc2 Bc8 19.Nfg5 g6 20.Nf6 Kg7 21.Qe4 Ra7 22.Ngh7 Rh8 23.Qe3 Rc7 24.Bh6# 1–0. Fritz 8 – NN, 2003.

3.f4 Bb7 4.Nf3 e6 5.c3 a5 6.b5 c6 7.e3 Nf6 8.Na3 =.

3.f4 e5 4.fe5 Bb4 5.Nf3 Bb7 6.e3 Bd5 7.Be2 Nc6 8.Ra4.

3.h3 Bb7 4.Nf3 e6 5.c3 c5 6.bc5 Bc5 7.g3 Nf6 8.Bg2 =.

3.h3 e6 4.Ra4 d5 5.e3 Nd7 6.Nf3 Nb6 7.Ra2 Bb4 8.Ne5 =.

3.Ra4 a6

4.Nf3 Bb7 5.d4 Bc6 6.Ra1 Bb7 7.c3 Bf3 (7...Nf6 8.Nbd2+=) 8.ef3 e6 9.Bd3 g6 10.0–0 f5 11.Re1 Kf7 12.Bc4 d5 13.Bd3 c6 14.Qe2 Qd7 15.Qe5 Bg7 16.Qe3 Nf6 17.Nd2 Qd6 18.b5 a5 19.Ba3 Qd7 20.Nb3 cb5 21.Bb5! Qc8 22.Bd6 h5 23.Nc5 Bh6 24.Qe5 Bg7 25.Bd7!! Nfd7 26.Qe6# 1–0. Marre – lamiglowa, zagraj.pl, 2003.

3.Ra4 Ba6

4.Bb2 d6 5.d3 Bb5 6.Ra5 c6 7.c4 Ba6 8.Qa4 e5 9.b5 Qb6 10.Na3 Be7 11.e3 Bd8 12.Be2 Qa5 13.Qa5 Ba5 14.Kd1 Bb7 15.f4 Nd7 16.Nf3 Bd8 17.fe5 f6 18.ed6 c5 19.d4 cd4 20.ed4 Nh6 21.c5 Ng4 22.Kd2 Nf2 23.Rf1 Ne4 24.Kc2 g5 25.c6 Bc6 26.bc6 Nb6 27.c7 Bc7 28.dc7 Rc8+– 29.Kd3 Na4 30.Ke4 Nb2 31.Rb1 Na4 32.Rb8 Kd7 33.Bb5 Kc7 34.Rc8 Kc8 35.Ba4+– g4 36.Nh4 h5 37.Kd3 Kc7 38.Nb5 Kb6 39.Nd6 a5 40.Nhf5 h4 41.Ke4 h3 42.g3 Kc7 43.Kf4 Rg8 44.Bb3 Rg5 45.Nf7?! (45.Ne8!?) 45...Rg6 46.Bc2 Rg8 47.N7h6 Rd8 48.Ng4 Kb6 49.Ba4 Rc8 50.Nge3 Rc1 51.d5 Ra1 52.Nc4 Kc5 53.d6?! Ra4 54.d7?? Rc4 55.Ke3 Rc3 56.Kd2 Rf3 57.Ne3? Rf2 58.Ke1 Rh2 59.d8Q Rh1 60.Nf1 h2 61.Qa5 Kd6 62.Qa8?? Rg1!! 63.Kf2 h1Q 64.Qh1 Rh1 65.Ne3 Ke5 66.Ng4 Kf5 67.Ne3 Ke4 68.Ng4 f5 69.Nf6 Ke5 70.Nd7 Ke6 71.Nc5 Kf7 72.Nd3 Rh2 73.Kf3 Kf6 74.Nf4 Ke5 75.Nd3 Kf6 76.Nf4 Rh1 77.Kg2 Ra1 78.Nh5 Kg5 79.Nf4 Kg4 80.Kf2 Ra2 81.Ne2 Ra3 82.Kg2 Ra8 83.Nf4?? Ra2 0–1. Trkn – sanford, itsyourturn.com, 2000.

4.Nc3 Bc4 5.b5 a6? 6.Rc4+– (6...ab5 7.Nb5+–) 1–0. miehnekort – ansonlai1024, Yahoo, 2005.

4.Nc3 Nf6!?

3.Ra4 Na6

4.e3 Nb4?? 5.Rb4 Rb8 6.Rb8 Bb7 7.Rd8 Kd8 8.Qg4 Nh6 9.Qh3 c6 10.d4 c5 11.Bb5 Ke8 12.Qd7# 1–0. Trkn – lancegirl, itsyourturn.com, 2000.

4.e3 e6 5.Ba6 Ba6 6.Ra6 Bb4 7.c3 Be7 8.d4 Nf6 9.Ba3 Ba3 10.Na3 0–0 11.c4 Ne4 12.Nf3 Ng5 13.0–0 Ne4 14.Nb5 d5 15.cd5 c5 16.dc6 Qd5 17.Qe2 Rfc8 18.Na7 Rc7 19.Nb5 Ra6 20.Nc7 Qc6 21.Qa6 Qa6 22.Na6 h6 23.Rb1 g5 24.Nc5 Nd6 25.Rb6 Nf5 26.g4 Ne7 27.Rb7 Nd5 28.h4 Nf6 29.Ne5 gh4 30.Rf7 Ne8 31.Ne6 h3 32.Rf8 Kh7 33.Re8 h5 34.gh5 h2 35.Kh2 Kh6 36.Rh8 1–0. marekt – bajubiru, gameknot.com, 2001.

4.e3 Nf6?? 5.Ba6+– Ba6 6.Ra6 Nd5 7.Nf3 Ne3 8.fe3 Qb8 9.Nc3 Qb4 10.0–0 (10.0–0 f6+– 6.34/9 (10...Qb7 11.Ra1+–)) 1–0. polly – lato, internet, 2011.

3.Ra4 Bb7

4.Bb2 Bc6 5.Ra2 =.

4.Bb2 d5 5.e3 e6 6.Nf3 Nf6 7.c4 (7.Bd4 Bd6=) 7...dc4= 8.Bc4 Be7 (8...Nfd7 9.Be2=) 9.0–0 (9.Bf6 Bf6 10.d4 Be7=) 9...0–0 (9...Nbd7=) 10.d4 (10.Bf6 Bf6 11.d4 a6) 10...Nc6 (better is 10...Nbd7!? 11.Qb3 Nb6–/+) 11.b5 Nb8 12.Nbd2 Nbd7 13.Be2 c6 14.Qa1 Qb8 15.Rb1 Nb6 16.Ra2 (16.Ba3 cb5 17.Bb5 Na4 18.Be7 Nb6 19.Bf8 Qf8) 16...cb5= 17.Bb5 Bd5 18.Ra6 Bb4 (18...Bb7 19.Ba3 Ba6 20.Be7 Bb5 21.Bf8=) 19.Ba3 Ba3 20.Ra3 Qb7 21.Ba6 Qe7 22.Rc1 (22.Bd3 Bf3 23.Nf3 Nfd5) 22...h6 23.Rac3 Ne4 (23...Rfb8 24.Bd3) 24.Ne4+/– Be4 25.Rc7 Qf6 (25...Qd6 26.Bb7 Bb7 27.Rb7) 26.Ne5 (26.Bb7 Bb7 27.Rb7 Nd5) 26...Qg5 (26...Nd5 27.R7c5 Qg5 28.Bf1) 27.g3 (27.Bf1 a5) 27...Nd5 28.h4?? (28.R7c5 Qh5) 28...Qh5 (28...Qf5 29.g4 Qf6–/+) 29.Bd3?? (better is 29.Bb7 Nc7 30.Be4) 29...Bd3–+ 30.Nd3 Nc7 31.Rc7 Qb5 (31...Rfc8 32.Rc8 Rc8 33.Ne5–+) 32.Nc5 Rfb8 33.Kg2 Qb6 34.Na6 0–1. Bittner – Rohloff, 1987.

4.Bb2 e6 5.e3 d5 6.Nf3 a6 7.Ne5 Nf6 8.d4 Be7 9.Be2 0–0 10.c3 c6 11.0–0 a5 12.ba5 Ra5 13.Nd2 Nbd7 14.Ra5 Qa5 15.Nd7 Nd7. NN – NN, 2000.

4.Bb2 e6 5.e3 Nf6 6.Nf3 Be7 7.c4 0–0 8.b5 d6 9.d4 Nbd7 10.Bd3 Nb6 11.Ra1 a6 12.ba6 Ba6 13.0–0 (better is 13.Qb3!? d5 14.Ra6 Ra6 15.cd5 Qd5 16.Qd5 Nbd5 17.Ba6=) 13...Bc4–/+ 14.Bc4 Nc4 15.Bc3 Ne4 16.Nbd2?? (better is 16.Ra8 Qa8 17.Qd3–/+) 16...Nc3–+ 17.Qb3 Ra1 18.Ra1 Nd2 19.Nd2 Nd5 20.e4 Nb6 21.Nc4 Nc4 22.Qc4 Qb8 23.g3 Rc8 24.d5 ed5 25.ed5 Bf6 26.Rc1 Qb6 27.Rc2 Bd4 28.Kg2 Bc5 29.Re2 Ra8 30.Qa4 Qb8 (30...Ra4?? 31.Re8#) 31.Qc6 Bb6 32.Re7 Qf8 33.Rd7 Qe8 (33...Qe8 34.Re7 Qc6 35.dc6 Kf8–+) 0–1. Rush,Bradley – Ausan,Leo Tito Jr, ZL–2011–0–01049, 2011.

4.b5 a6 5.ba6 Ra6 6.Ra6 Na6 7.Nf3 =.

4.b5 c6 5.e4 e5 (5...Nf6 6.Nc3=) 6.c4 (6.Nf3 cb5 7.Bb5 Nf6) 6...cb5= 7.cb5 Nf6 8.Nc3 (8.Bb2 d6=) 8...Bc5 9.Nf3 Ng4 (9...Qb6 10.Qe2=) 10.d4 ed4 11.Nd4 h5 (11...Qh4 12.g3 Qf6 13.f3) 12.Be2 (12.Nd5 Bd5 13.ed5 0–0) 12...Qe7 (12...Qh4 13.g3 Qf6 14.f3) 13.0–0 (better is 13.h3 Nh6 14.0–0) 13...Be4? (better is 13...Qd6 14.f4 a6) 14.Ne4+– Qe4 15.Bf3 Ne3 (15...Qe7 16.Ba8 0–0+–) 16.Be3 (16...Qg6 17.Ba8+–) 1–0. lesbian14 – cknarang, Live Game Caissa's Web, 2006.

4.b5 Nf6 5.e3 d5 6.Nc3 e5 7.Nf3 Nbd7 8.Bb2 Bd6 9.Be2 0–0 10.0–0 c5 11.bc6 Bc6 12.Ra6 Qc7 13.Nb5 Bb5 14.Bb5 Nb6 (14...e4 15.Nd4 Bh2 16.Kh1=) 15.d4 e4 16.Ne5 Be5 17.de5 Nfd7 18.Qd4 f6 (18...Nc5!? 19.Ra3 Rfc8+=) 19.ef6+/– Nf6 20.Rfa1 Qc2? (better is 20...Rfc8!?+/–) 21.Rc1+– Qb3 22.Bc6 Rac8?? (22...Qd3 23.Qd3 ed3 24.Ba8 Ra8+–) 23.Ra3 Qa3 24.Ba3 Rfd8 (24...Rf7 25.Bd6+–) 25.Qe5 Nc4 (25...Kh8 26.Qe6 Nbd7+–) 26.Qe6 Kh8 27.Be7 Rg8 (27...Re8 28.Be8 Re8+–) 28.Bf6 gf6 29.Qf6 1–0. pereira – anonymous, internet, 2014.

4.Nc3 Nf6 =.

4.c4 c5 5.b5 (5.bc5 e5) 5...d6 6.e3 a6 7.ba6 Na6 8.Nc3 (8.d4 Nf6=) 8...Nb4 (8...Nf6 9.Nf3=+) 9.Nf3 Nf6 10.Be2 e6 11.0–0 Be7 12.d4 (12.Ra8 Qa8 13.Qb3 0–0=) 12...0–0 13.Nd2 (13.Bb2 Qb6=) 13...Ra4 14.Na4 (14.Qa4 Bc6 15.Qa7 Qb8 16.Qb8 Rb8 17.dc5 dc5=) 14...cd4 (14...Qa5 15.Nc3=+) 15.ed4 Qc7 (15...Qd7 16.Qb3 Nc6 17.Bb2=) 16.Qb3 Rb8 (16...Nc6 17.Qe3=) 17.Qb4 Bf3? (better is 17...Bg2 18.Qc3 Bf1 19.Bf1 Ra8=) 18.Qb8!+– Qb8 19.Nf3 (19.Bf3?! Qa7 20.Nc3 Qd4+/–; 19.gf3?! Qa7 20.Nb2 Qd4=) 19...Qb4 20.Nb2 Nd7 (20...Ne4 21.Bd3 f5 22.Re1) 21.Rd1 g5 22.d5 (22.Kf1 Qb6+–) 22...e5 (22...Nc5 23.Kf1+–) 23.Nd2 f5 24.Nd3 (24.g4 fg4 25.Nd3 Qc3 26.Bg4 Qd3 27.Bd7 Qe2+–) 24...Qa4 (24...Qb6 25.Kf1+–) 25.f3 h5 26.Nf2 (26.Re1 Bf6+–) 26...Nc5 27.Kf1 g4 28.Nb1 gf3 29.gf3 Nb3 30.Nc3 Qa1 31.Nb5 (31.Bg5 Qc3 32.Be7 Nc1+–) 31...Nc1 32.Nd3 Bg5 33.Nd6 (better is 33.Nc1!? Bc1 34.Nd6) 33...Qa6= 34.Nf5 (better is 34.Nc1!? Qd6 35.Nb3=) 34...Ne2–/+ 35.Ke2 Qc4 (36.h4 Bh4 37.Nh4 e4 38.fe4 Qe4 39.Kf1 Qh4–/+; 35...Qa2 36.Ke1 Qc4 37.h4–/+) 0–1. Nicklich,Wolfgang – Bergelt,Manfred, corr DDR–ch M636, 1979.

4.c4 e5 5.Bb2 d6 6.Nc3 Nf6 7.Nf3 Be7 8.e3 0–0 9.Be2 Nc6 10.b5 Nb8 11.Qa1 a6 12.0–0 c6 13.d4 cb5 14.cb5 Qb6 15.de5 de5 16.Ne5 a5? (better is 16...Qe6 17.Nf3 Rd8+–) 17.Nc4+– Qc7 18.Na5 Bd6 (18...Rd8 19.Rc1 Qb6 20.Nb7 Ra4 21.Na4 Qb7 22.Nc5+–) 19.Nb7 Ra4 20.Na4 Qb7 21.Bf6 gf6 22.Qf6 Qd7 23.Nb6 Qc7 (23...Qd8 24.Qd8 Rd8 25.Rd1+–) 24.Nd5 Qd8 25.Rd1 Bb4 (25...Bh2 26.Kh2 Qf6 27.Nf6 Kg7 28.Rd6+–) 26.Qd8 Rd8 27.Nf6 Kg7 28.Rd8 (28.Rd8 Kf6 29.Rb8+–) 1–0. PeterRs – retiponziani, ChessWorld.net, 2012.

4.c4 e6 5.Nf3 Nc6 6.b5 Nb8 (6...Nce7 7.Nc3+=) 7.e3 Nf6 8.Be2 a6 9.0–0 ab5 10.cb5 c6 11.Ra8 Ba8 12.Qa4 Bb7 13.Qa7 Qc7 (13...Qc8 14.b6+/–) 14.Nd4 Bd6 (14...cb5 15.Nb5 Qc8 16.Ba3+/–) 15.f4 (15.b6!? Qc8 16.Ba3 c5+–) 15...0–0 (15...c5 16.Nb3 Ke7+/–) 16.Bf3+– Na6?? (better is 16...Nd5 17.Ba3 Ba3 18.Na3 cb5 19.Bd5 ed5 20.Nab5 Nc6+/–) 17.ba6 Ra8 (17...Bc8 18.Qc7 Bc7+–) 18.Qb7 Qb7 19.ab7 Rb8 20.Nc6! Rb7 (20...dc6 21.Bc6 Combination) 21.Ne7! Be7 22.Bb7 1–0. BlackDemon (2615) – Siciliec, FICS rated standard game, 2013.

4.c4 Nf6 5.Nc3 e6 6.Qb3 (6.d4 Nc6 7.b5 Nb4) 6...Nc6 (6...Be7 7.d4=) 7.e3 Be7 8.d4 0–0 9.b5 Nb8 10.Nf3 c6 (10...a6 11.Be2=) 11.Ba3 Ba3 12.Qa3 cb5 13.Nb5 (13.Ra7?? b4 14.Ra8 ba3 15.Ra3 Bf3 16.gf3 Qe7–+) 13...Bf3 14.gf3 Nc6 (14...a5 15.Bd3) 15.Na7 Qb6 16.Nc6 (better is 16.Nb5!? Qb7 17.Be2) 16...Qc6=+ 17.Ra8 Ra8 18.Qb2 Qf3 19.Rg1 Ne4 20.Rg2 d5 21.c5 h5 22.c6 h4 23.h3 Kh7 24.c7 Rc8 25.Qb8 (25.Qb7 Nd6 26.Qa6 Rc7 27.Qd3 Ne4–/+) 25...Nc3 (25...Nf2 26.Qc8 Qe3 27.Be2 Nd3 28.Kf1 Qc1 29.Bd1 Qd1) 26.Kd2?? (26.Bd3 g6 27.Kd2 Qg2 28.Kc3 Rg8) 26...Ne4?? (better is 26...Qd1 27.Kc3 Rc7 28.Qc7 Qc1 29.Kb3 Qc7–+) 27.Kc2 (27.Kc1 Nd6=) 27...Nd6 (27...Nf2 28.Qc8 Qd1 29.Kc3 Ne4 30.Kb2 Qf1=) 28.Qb6? (28.Rh2 g6 29.Ba6 Qf5 30.Kd2+–) 28...Ne8–/+ 29.Kd2 Rc7 (29...Nc7 30.Qb7 Ra8 31.Qc7 Ra2 32.Kc3=) 30.Qb8 Re7 31.Qd8 Qf6 32.Bd3 (32.Bb5 Nc7 33.Bd3 g6 34.Ke1=+) 32...g6=+ 33.f4 (33.Bb5 Ng7=+) 33...Ng7 34.Rg1 (34.Rg5 Nf5=+) 34...Nh5–/+ 35.Rb1 Ra7 36.Qb8 (36.Qf6 Nf6 37.Rc1 Ra2 38.Rc2 Rc2 39.Kc2 Kg7–/+) 36...Qe7 37.Rb2 Ng3 38.Qe5 Qc7 (better is 38...Ra3–/+) 39.Qf6? (better is 39.Qc7 Rc7 40.Rb6–/+) 39...Qe7 (39...Qa5 40.Kd1 Qc3 41.Qh4 Kg7–+) 40.Qe5–/+ Qc7 41.Qf6 Qe7?? 42.Qe5= ½–½. Fredek (2090) – Guest281299, Freundschaftspartie, 5m + 0s, 2005.

4.d4 e6 5.c3 Be7 6.Nd2 Nf6 7.e3 0–0 8.Ngf3 c6 9.Bd3 d6 10.0–0 c5 11.bc5 dc5 12.Nb3 cd4 13.cd4 Nd5 14.Bd2 Nc6 15.Qa1 Qb6 16.Rb1 Qc7 17.Na5 Na5 18.Ra5 Bc6 19.Rc1 Rfc8? (19...Qb7 20.Ne5 Be8 21.Ba6+–) 20.Bb5 (20.Ne5 Qd6 21.Ba6 Rc7+–) 20...Qb7? (20...Qb6 21.Bc6 Rc6 22.Rc6 Qc6 23.Ra7 Ra7 24.Qa7+/–) 21.Bc6?? (better is 21.Ba6 Qb6 22.Bc8 Rc8 23.Ne5+– (worse is 23.Ra7 Bd6+–)) 21...Rc6+/– 22.Rc6 Qc6 23.Ra7 Ra7 24.Qa7 Bf8? (24...Qc2 25.Qb8 Bf8 26.h3+=) 25.h3 (25.Qf7 Kf7 26.Ne5 Ke8 27.Nc6 Bd6+–) 25...g6? (25...Qc2 26.e4 Qb1 27.Kh2 Qe4 28.Qf7 Kf7 29.Ng5 Kf6 30.Ne4 Kf5 31.f3+/–) 26.Qb8 (better is 26.Qf7! Kf7 27.Ne5 Ke8 28.Nc6 Bg7+–) 26...Qc7 27.Qa8 Nb6 28.Qa5 Bd6 29.Qc3 Qc3 30.Bc3 Nd5 31.Bd2 Nf6 32.Kf1 Ne4 33.Be1 h6 34.Ke2 f5 35.Kd3 Kf7 36.Kc4 g5 37.Nd2 Nd2 38.Bd2 e5? (better is 38...Ke8+/–) 39.Kd5+– Bb8 40.de5 h5 41.f3 g4 42.e4 fe4 43.Ke4 gh3 44.gh3 Ke6 45.f4 Ke7 46.f5 (46.f5+–) 1–0. bobby fissure – retiponziani, ChessWorld.net, 2012.

4.e3 c5 5.b5 a6 6.ba6 Ba6 (better is 6...Na6 7.Nf3 Nf6=) 7.Qh5 (7.Ba6 Na6 8.Nf3 Qb6) 7...e6 (7...Bf1 8.Ra8 Bg2–+) 8.Ba3?? (8.Nf3!?=) 8...Nf6 (better is 8...Bf1 9.Ra8 Bg2–+) 9.Qf3 (9.Qh3 Nd5 10.d3 Qb6–/+) 9...d5 (9...Bb7 10.Ra8 Bf3 11.Nf3–/+) 10.Bb5 (10.Nc3 Qb6=+) 10...Nfd7 (10...Bb5 11.Ra8 Bc6 12.Rb8 Qb8 13.Qd1–/+) 11.Nc3 (11.Bb2 Ra7 12.Na3 Qb6=) 11...Bd6 (11...Bb5 12.Ra8 Bc6 13.Ra7–+) 12.Nge2 (12.d4 0–0 13.dc5 Nc5 14.Bc5 Bc5=+) 12...0–0 (12...Bb5 13.Ra8 Bc6 14.Rb8 Qb8 15.d4–/+) 13.Ng3 (13.Bc1!?=+) 13...Nb6 14.Ba6?? (better is 14.Ra5–/+) 14...Na4–+ (14...Na6?! 15.Ra5–+; 14...Ra6?! 15.Ra6 Na6 16.0–0–/+) 15.Na4 (15.Bb7 Ra7 16.Na4 Ra4–+ (< 16...Rb7 17.Nc3–+)) 15...Ra6 (< 15...Na6 16.Nc3 Nb4 17.Bb4 cb4 18.Nb1–+) 16.Bc5 Ra4 17.Bd6 Qd6 18.0–0 Nc6 19.d3 Rfa8 (20.Rc1 Qa3–+) 0–1. Guest76042 – Guest74732, Friendly Game, 5m + 0s, 2003.

4.e3 c6 5.Nf3 e6 6.Bb2 Nf6 7.Nc3 Na6?? (better is 7...Qb6=) 8.Ba6+– (8.Ra6?! Ba6 9.Ba6 Bb4) 8...Rb8 9.Be2 Qb6 10.Na2 Nd5 (10...d6 11.Bd4 c5 12.Bf6 gf6 13.Qa1+–) 11.c4 Nb4 12.Be5 Ra8 13.Bd4 (13.Nb4 Bb4 14.Bg7 Rg8+–) 13...c5 (13...Qc7 14.Nb4 (14.Rb4?! Bb4 15.c5 a5+–) 14...c5 15.Na6 Ba6 16.Be5+–) 14.Rb4! Qb4 (14...cb4 15.Bb6) 15.Nb4 cb4 (15...cd4 16.Nd3+–) 16.Qa4 Be7 (16...f6 17.Qa5+–) 17.Ne5 Bc6 (17...Rd8 18.Qa7 Bg2+–) 18.Nc6 (18...Bf6 19.Bf6 gf6 20.Na7+–) 1–0. Trkn – guest5225, ICC, 2005.

4.Nf3 (--> 3.Nf3 Bb7 4.Ra4).

4.Nf3 Nf6 5.Bb2 e6 (--> 2.Bb2 Nf6 3.a4 ba4 4.Nf3 e6 5.Ra4 Bb7).

4.e3+= e6

5.Bb2 d5 6.Qf3 (6.Nf3 Nf6+=) 6...Qd7 7.Ra1 (7.Nc3 Bd6+=) 7...c5 (7...a6!?=) 8.bc5+/– Bc5?? (better is 8...Nc6+/–) 9.Bg7+– d4 10.Qh5 (10.Bh8?! Bf3 11.Nf3 de3 12.de3 Nc6=) 10...Qd6 (10...Qd5 11.Qd5 Bd5 12.Bh8+–) 11.Bh8 de3 12.fe3 Nc6 (12...Be4 13.Bb5 Nd7 14.Qg4+–) 13.Qh7 0–0–0 (13...Nge7 14.d4 Bb6 15.Bf6+–) 14.Nf3 (better is 14.d4!? Bb6 15.Qf7 Nh6+–) 14...f6 15.Ba6 Ba6 16.Ra6 e5 17.Nc3 Bb6 18.Ra4 Nb4 19.Nb5 Qc5 20.Na7 Kb8 21.Rb4! Ka8 22.0–0 Rd2 23.Nc6! Qc6 24.Nd2 Be3 25.Kh1 Bd2 26.Ra1 Qa6 27.Ra6# 1–0. Kern,Ma – Cane, corr 3GMM–57, 1995.

5.Bb2 Nf6 6.Nc3 =.

5.Bb2 Nf6 6.Nf3 d5 7.Be2 a6 8.c3 (8.0–0 Nbd7=) 8...Bd6 9.d4 0–0 10.Bd3 Nbd7 11.Nbd2 c6 12.Qb3 Qc7 13.c4 dc4 (13...Rfb8 14.0–0=) 14.Nc4+= (14.Qc4? Nb6 15.Qa2 Na4 16.Qa4 a5 17.ba5 Ra5–+; 14.Bc4?! Nb6 15.Ra5 Nfd5=) 14...Rfb8 15.Nd6 Qd6 16.Nd2 (16.Ne5 Nd5+/–) 16...Nb6 (16...a5 17.e4 (< 17.Ra5 Ra5 18.ba5 c5=+; 17.ba5 c5 18.dc5 Nc5–+) 17...Qf4 A) 18.ba5? Ba6 19.g3 Qd2 20.Kd2 Rb3 21.Ba6 Ra6–+; B) 18.Ra5 Ng4 19.Rf1 Ra5 20.ba5 Ba6–+ (20...Qh2?! 21.Qd1 Ngf6 22.e5=; 20...Nh2?! 21.Qc3–/+); C) 18.g3=) 17.Ra5 Qc7 (17...Nbd5 18.Ba3+=) 18.g3 (better is 18.e4!?+/–) 18...Nbd5+= 19.Ba3 Bc8 20.e4 Qa5 21.ba5 Rb3 22.Nb3 Nc3 23.Nc5 Nb5 24.Bb2 Nd7 25.Nd7 Bd7 26.Ke2 Rc8 27.Rc1 Kf8 28.Ke3 f6 29.f4 h6 30.Rc5 Kf7 31.Bc4 Ke7 32.h3 Rb8 33.Bc1 Nc7 (33...f5 34.Re5 Kf6 35.g4+/–) 34.Ba3 Nb5?? (better is 34...Kf7+/–) 35.Rb5+– (35...Kd8 36.Rb8 Kc7 37.Ra8+–) 1–0. marekt – Boyat, ChessWorld.net, 2003.

5.d4 d5 6.Nf3 Nd7 7.Bd2 Nb6 (7...Ngf6 8.Ra5+=) 8.Ra5 Nf6 9.Na3 Ne4 10.Bb5 c6 11.Bd3 Nd6 (11...Bd6!?+=) 12.0–0+/– Be7 13.c3 Qd7 (13...0–0 14.Qc2 f5 15.c4+/–) 14.Ne5 Qc8 (14...Qc7 15.Qf3+/–) 15.c4 (15.Qh5 Nd7+/–) 15...dc4 (15...Ba6 16.Qe2+/–) 16.Nac4 Nbc4 17.Nc4 0–0 (17...Nc4 18.Bc4 Qb8 19.Qh5+/–) 18.Ne5 Bd8 (18...f6 19.Qh5 Nf5 20.Nc4+/–) 19.Rc5+– Bb6 20.Rc3 Qe8 21.Qc2 f5 22.Nc6 Bc6 (22...Rc8 23.Rc1+–) 23.Rc6 Rc8 24.b5 (24.Rd6 Rc2 25.Bc2 Bc7=+) 24...Rf7 (24...Rc6 25.bc6 Bc7 26.Ra1+–) 25.Bb4 Rc6 26.Qc6 Qc6 27.bc6 Ne4 (27...Ne8+–) 28.Bc4 Rc7 (28...a5 29.Ra1 Ng5 30.Ra5 Ba5 31.Ba5 Rf8+–) 29.Be6 Kh8 30.Bf5 Nf6 31.Rc1 (31...g6 32.Be6+–) 1–0. marekt (2055) – Daveygravey (1710), www.ChessWorld.net, 2003.

5.Nf3 c5 6.bc5 Bc5 7.d4 Bb6 (7...Bc6 8.Ra2 Be7 9.Bd3) 8.Nbd2 (8.Bd3 Nf6) 8...Bc6 9.Ra3 Nf6 10.Bd3 a5 11.e4 0–0 12.e5 (12.0–0 d6) 12...Nd5 13.Nc4 Bc7? (better is 13...Nb4!?) 14.Bh7!+– Kh8 (14...Kh7 15.Ng5) 15.Ng5 (better is 15.Bd3) 15...f6?? (better is 15...g6) 16.Bg6 Kg8 (16...Ne7 17.Qh5 Kg8 18.Qh7) 17.Qh5 Rf7 (17...Re8 18.Bh7 Kf8 19.Qf7) 18.Bh7 Kh8 (18...Kf8 19.Qf7) 19.Nf7# 1–0. pierre – michas, ChessHere.com, 2005.

5.Nf3 Nf6 +=.

3.Ra4 c6

4.c4 a5 5.e3 e6 6.c5 Bb7 7.d4 d5 8.Nf3 Nd7 9.b5+/– cb5 10.Bb5 Qc7 11.Ne5 Ngf6? 12.Qc2?? Be7 13.Nd7 Bc6?? 14.Nf6 Bf6 15.Bc6 Qc6 16.Bd2 Bd8 17.0–0 0–0 18.Nc3 Rb8 19.Rb1 Rb1 20.Qb1 Bc7 21.Qb5 Qb5 22.Nb5 Rb8 23.Nc3 Rb2 24.Ra2 Ra2 25.Na2 h6 26.Nc3 g5 27.Na4 Kf8 28.Nb6 a4 29.Na4 Ke7 30.Nb6 f5 31.Bb4 Kd8 32.Na8 Kd7 33.Nc7 Kc7 34.Ba5 Kc6 35.Bd8 g4 36.h3 h5 37.hg4 hg4 38.f3 gf3 39.gf3 (39...Kb5 40.Bf6+–) 1–0. Pohl,Manfred – Kalder,Walter, Bahn–chG Fuessen, 1993.

4.c4 d5 5.e3 =.

4.d4 d5.

4.e3 a5 5.b5 cb5 6.Bb5 Ba6 7.Ba6 Ra6 (7...Na6 8.Ba3=) 8.Nf3 Qb6 (8...e6 9.Bb2+=) 9.Nc3 (9.Ba3 Nf6+=) 9...Nc6 (9...e6 10.0–0+=) 10.0–0 (10.Ba3 Nf6+/–) 10...e6 11.Qe2 Bb4 (11...Ra7 12.e4+=) 12.Nb5+/– Nge7 (12...Ra8 13.Bb2 f6 14.Bd4 Nd4 15.Nfd4+=) 13.c3 (better is 13.Nc7 Qc7 14.Qa6+–) 13...Bc5? (better is 13...0–0 14.cb4 ab4 15.Ra6 Qa6+–) 14.d4+– Bd6 (14...Na7 15.Na7 Ra7 16.dc5 Qc5+–) 15.Nd6 Kf8 16.Ba3 Qb3 (16...Ra8 17.Ne5 Ne5 18.de5 Kg8+–) 17.Qa6 Qa4 (17...g5 18.Qc4 Qc4 19.Nc4 f6+–) 18.Qa8 Nc8 (18...Nb8 19.Qb8 Nc8 20.Nf5 d6 21.Qc8 Qe8 22.Bd6 Kg8 23.Qe8) 19.Nf5 d6 20.Qc8 Nd8 Plans Qe8 21.Qd8 Qe8 22.Bd6 (22.Bd6 Kg8 23.Qe8#) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.e3 a5 5.Nf3 e5 +=.

4.e3 a5 5.Nf3 h6 6.b5 Qb6 7.Nc3 e6 8.Ne5 Nf6 9.Nc4 Qc5?? (better is 9...Qd8+=) 10.Ba3+– (10.Ra5?! Ra5 11.Na5 cb5+/–; 10.Na5?! cb5 11.Nb5 Na6+–) 10...Qg5 11.h4 (11.Na5?! Ba3 12.Ra3 cb5+/–) 11...Qg4 (11...Qg6 12.Nb6 Ba3 13.Ra3+– (13.Na8?! Bb4+–; 13.Nc8?! Bb4 14.b6 Na6 15.Ba6 Qg2+–)) 12.Qg4 Ng4 13.Bf8 Kf8 14.Nb6 (14.Na5?! cb5 15.Bb5 Nf6+/–; 14.Ra5?! Ra5 15.Na5 cb5+/–) 14...Bb7 15.Na8 (worse is 15.Rg4 Ra7+–) 15...Ba8 (15...cb5 16.Nb5 Ba8 17.Rg4+–) 16.Ra5 Bb7 17.Ra7 cb5 18.Rb7 Ke7 19.Bb5 Rd8 20.Ke2 f5 21.Ra1 Nf6 22.Raa7 h5 (22...Re8 23.Rb6 Kf8 24.f4+–) 23.Rb6 g6 (23...Rc8 24.Rab7+–) 24.Rab7 Nd5 (24...Ne8 25.Rb8 Rb8 26.Rb8+–) 25.Nd5 ed5 26.Rb8 1–0. marekt – DGM11, ChessWorld.net, 2012.

4.e3 a6 5.d4 e6 6.Nf3 d5 7.Bd3 Bd6 8.0–0 Qf6 9.c3+/– Bd7 10.Nbd2 e5 11.e4 c5? 12.dc5+– Ba4 13.Qa4 Nd7 14.ed5 e4 15.Ne4 Ne7 16.Nf6 gf6 17.cd6 Nd5 18.Qc6 Rc8 19.Qc8 1–0. marekt – LAME WOLF, internet, 2005.

4.e3 Na6?? 5.Ba6 Ba6 6.Ra6 e5 7.Qg4 Nf6 8.Qc4 Be7 9.Nf3 e4 10.Ne5 0–0 11.0–0 Qc7 12.Nc3?? Qe5 13.Ra5 Qc7 14.Ba3 d5 15.Nd5! Nd5 16.Rd5 a5 17.c3 h6 18.Ra1 Rfc8 19.Ra5 Bd6 20.Ra8 Ra8 21.Bb2 Re8 22.h3 Be5 23.Ra6 Qd6 24.Bc1 Rc8 25.b5 Qb8 26.Rc6 Rf8 27.b6 Qa8 28.Bb2 Rd8 29.Qe4 Rd2 30.Qe5 Qc6 31.Qc7 Rd6 32.Qc6 Rc6 33.b7 Rb6 34.Ba3 Rb7 35.Bb4 Kh7 36.f3 f5 37.e4 fe4 38.fe4 Rb5 39.Kf2 Kg6 40.Ke3 Kf6 41.h4 h5 42.Kd3 Ke5 43.Bf8 Rb7 44.Bc5 g6 45.Bd4 Kd6 46.Ke3 Rf7 47.c4 Rg7 48.Bg7 1–0. Trkn – Superfish, itsyourturn.com, 2000.

4.e3 Qb6 5.Bb2 e6 6.Bd4 Qb7 7.Nc3 Bb4?? (better is 7...d6 8.Qa1 a6=) 8.Bg7+– Bd6 (8...e5 9.Bh8 d6 10.Na2+–) 9.Bh8 1–0. marekt – pehh, internet, 2014.

4.e3 d5 5.Nc3 Bd7 6.Nf3+= (6.d4 Nf6 (6...Qb6 7.Ba3 Nf6 8.Nf3 Bg4 9.Bd3 Nbd7) 7.Nf3 e6 8.Ne5 Bd6 9.Bd3 Bc8) 6...c5 (6...e6 7.Ne5 Bd6 8.d4 Nf6 9.Bd3 Qe7; 6...Nf6 7.Ne5 e6 8.d4 Bd6 9.Bd3 Qe7) 7.b5 a6 (better is 7...Nf6!?+= 8.Be2 Qc7 9.d4 e6) 8.Nd5+/– e6 (8...Nf6 9.Nc3+/– Qc7) 9.Nc3+– c4 (better is 9...Qc7+–; 9...Bd6+–) 10.Ne5 f6?? (10...Nf6+–) 11.Qh5 g6 12.Ng6! hg6 (12...hg6 13.Qg6) 13.Qg6 Ke7 14.Ba3# 1–0. pereira – qufup, internet, 2009.

4.e3 e5 5.Bb2 d6 6.d4 =.

4.e3 e5 5.d4.

4.e3 Nf6 5.Nf3 g6 6.Bb2 Bg7 7.Nc3 0–0 8.Qa1 a6 9.Ne4 Ne4 10.Bg7 Re8 11.Bh6 f6 12.d3 Nd6 13.e4 e5 14.Be3 Nb5 15.c4 Nc7 16.Be2 d5 17.0–0 de4 18.de4 Ne6 19.Rd1 Qe7 20.c5 Nd7 21.Bc4 Ndf8 22.Rd6 Bb7 23.Ra2 Red8 24.Rad2 Rd6 25.cd6 (25.Rd6 Rd8 26.Ne5 fe5 27.Qe5 Bc8+–) 25...Qd7 26.Qa5 Kg7 (26...Re8+–) 27.Ne5! fe5 (27...Qe8 28.Ng4 h5 29.Bh6 Kf7 30.Nf6+–) 28.Qe5 Kg8 29.Bh6 Re8 (29...a5 30.Bf8 Re8+–) 30.Rd3 (30.Rd3 g5 31.Rf3 Qf7 32.Rf7 Ba8 33.Qg7 Ng7 34.Rg7 Kh8 35.Rg8) 1–0. b4_player – idyll, casual, 2013.

3.Ra4 Nc6

4.b5 Nb8 +=.

4.b5 Nd4?? 5.Rd4+– a5 (5...a6 6.e4+–) 6.Nc3 c5 (6...Bb7 7.Ra4+–) 7.bc6 dc6 (7...e5 8.cd7 Bd7+–) 8.Rd8 (8.Rd8 Kd8 9.Nf3+–) 1–0. pierre – tavjyp, internet, 2010.

4.b5 Ne5 5.Bb2 d6 6.e3 Bd7 7.Nf3 f6 8.d4 Nf7 9.d5 e6 10.de6 Be6 11.Nc3 Ngh6 (11...Ne5 12.Nd4 Bd7 13.Nd5+/–) 12.Nd4 Qd7 (better is 12...Bg4 13.f3 Bd7+–) 13.b6! c6? (13...ab6 14.Ra8 Pinning (14.Ra8 Deflection); 13...cb6 14.Bb5 Combination) 14.Ncb5! (14.Ne6 Qe6 15.Nb5 cb5 16.Bb5 Kd8+–) 14...a6 (14...cb5 15.Bb5 Decoy) 15.Nc7 Ke7 16.Na8 Qb7 (16...Bg4 17.f3 Ne5 18.Ra6 Qc8 19.fg4 Kf7+–) 17.Ba6 Qa8 18.b7 Qe8 19.Bb5! cb5 20.Ra8 Nd8 21.b8Q Bd7 22.Qc7 Nhf7 23.Nf5 Ke6 24.e4 Ne5 (24...Bc6 25.Nd4 Ke5 26.Ne2 Ke4 27.Qd3) 25.Qd5 1–0. marekt – spensley, internet, 2014.

4.b5 Ne5 5.Bb2 d6 6.e3 Bd7 7.f4 Ng4 8.Be2 N8f6 9.c4 Nh6 10.Nf3 e6 11.0–0 Be7 12.Bd4 c5 13.bc6 Bc6 14.Ra7 Ra7 15.Ba7 Qa8 16.Bd4 0–0 17.d3 Nf5 18.e4 Nd4 19.Nd4 Bb7 20.Nc3 Rc8 21.Qa1?! d5! 22.Qa8 Ba8 23.e5 Nd7 24.Na4 dc4 25.dc4 g6 26.g3 Kg7 27.Kf2 Bb7 28.Rc1 Nc5 29.Nc5 Bc5 30.Ke3 f5 31.Rb1 Be4 32.Bd3? Bd4! 33.Kd4 Rd8 34.Kc5 Rd3 35.Rb6 Kf7 36.Rd6 Ke7 37.Rd3 Bd3 38.Kd4 Bf1 39.Kc5 Kd7 40.Kb5 Kc7 41.Kc5 Bg2 42.Kb5 h5 43.h4 Be4 44.Kc5 Bc6! 45.Kd4 Kb6 46.Kd3 Kc5 47.Kc3 Bg2 48.Kd3 Bf1 49.Ke3 Kc4 50.Kf2 Bh3 51.Ke3 Kc3 52.Kf3 Kd3 53.Kf2 Bg4 54.Kg2 Ke2 55.Kg1 Kf3 0–1. Trkn – Caissa, itsyourturn.com, 2000.

4.b5 Ne5 5.d4 Ng4 6.e4 e5?? 7.Qg4+– ed4 8.e5 Rb8 9.Ra7 d5 10.Qd4 Rb5 11.Bb5 Bd7 12.Bd7 Qd7 13.Ra8 Ke7 14.Ba3 Ke6 15.Qg4 f5 16.ef6 Kf7 17.Rf8# 1–0. pierre – weakplayer, ChessHere.com, 2005.

4.b5 Ne5 5.d4 Ng6 6.e4 Bb7 7.d5 Nf6 8.Nf3 Ne4?? (Better is 8...e6 9.Nc3 Bc5+=) 9.Re4+– f5 (9...e6 10.Nc3+–) 10.Rd4 a6 11.Qd3 ab5 12.Qf5 (12...Ra1 13.Ng5+–) 1–0. Marre – kamikadzel, zagraj.pl, 2003.

3.Ra4 d5

4.Bb2 Qd6 5.e3 Nf6 6.c4 dc4 7.Bc4 Nbd7 8.Bd4 Bb7 9.Nf3 e5 10.Bc3 Nb6 11.Bf7?? Kf7–+ 12.Ne5 Ke8 13.Ra5 Bd5 14.f4 Qe6 15.0–0–/+ Bd6 16.f5 Qe7–+ 17.d4 Nbd7 18.Qa4–/+ c6 19.Ra7 Ra7 20.Qa7 Ne5 21.Qe7 Be7 22.de5 Ng4 23.Re1 Be4–+ 24.h3 Bh4 (25.Rc1 Bf2 26.Kh1 Ne3–+) 0–1. Wartig,Wolfgang – Andersson,Lars H, corr SOK–92–80, 1992.

4.Bb2 e6 5.e3 c6 6.Nf3 Nd7 7.b5 Nb6 8.Ra2 c5 9.Ne5 Ne7 10.Qf3 f6 11.Nd3 Ng6 12.Nf4 Ne5? 13.Be5+/– fe5 14.Qh5 Ke7 15.Ng6! hg6 16.Qh8 Kf6 17.f4 Qd6 18.fe5 Ke5 19.Qh4 d4 20.Qf4 Kd5 21.e4# 1–0. Myslowski,Karol – Ergo,E, Paris op–B, 1996.

4.Bb2 Nf6 5.e3 Bd7 6.b5 c6 7.Na3 cb5 8.Nb5 a6 9.Nf3 Bb5 10.Bb5+/– Nfd7 11.0–0 Qb6 12.Qe2 e6 13.Bd4 Bc5 14.Bg7+– Rg8 15.Bc3 Ke7 16.Rfa1 Qb7 17.Bd3 Nc6 18.Bh7 Rh8 19.Bh8 Rh8 20.Bd3 Nde5 21.Ba6 Qc7 22.h3 Nf3 23.Qf3 Ne5 24.Qg3 Bd6 25.Qg7 Ng6 26.Bd3 Be5 27.Ra7 Bg7 28.Rc7 Kd6 29.Raa7 Rb8 30.Rd7 Kc6 31.Bg6 Be5 32.f4 (32...fg6 33.fe5+–) 1–0. pierre – ravi12346, internet, 2007.

4.b5 Nd7 5.Nf3 Ngf6 6.d4 e6 7.Bg5 Bb7 8.Nbd2 c5= 9.e3 Bd6 10.c4 Nb6+= 11.Ra2 cd4 12.ed4 dc4 13.Nc4 Bb4 14.Bd2 Qe7 15.Nb6 ab6 16.Ra8 Ba8 17.Qa4 Bd2–/+ 18.Nd2 0–0 19.f3 Nd5 20.Bd3? Qg5–+ (20...Qg5 21.Nc4 Nf4–+) 0–1. kode (2315) – pierred (2540), net–chess.com, 2007.

4.e3 e6 5.Nf3 Bd6 6.Be2 Bd7 7.b5 c5 8.c4 a5 (8...a6 9.d4 dc4 10.Bc4+=) 9.0–0 dc4 10.Na3 Ne7 11.Nc4 Bc8? (Better is 11...Bc7!? 12.Qb3 Nd5+/–) 12.d4 0–0 (12...cd4 13.Qd4 (13.Nd4?! Bc7+/–; 13.Nd6?! Qd6 14.Ba3 Qb6+/–) 13...Nf5 14.Nd6 Qd6 15.Qc3+–) 13.Ba3 (13...Nd5 14.dc5+–) 1–0. Mehlhorn,Uwe – Ritschel,Stephan, remoteschach.de, 2003.

4.Nf3 Bd7 5.Ra1 e6 6.c3 c5 7.bc5 Bc5 8.d4 Bd6 9.e3 Nf6 10.Ba3 Ba3 11.Na3 Qa5 12.Nd2 0–0 13.c4 a6 14.Be2 Qc7 15.0–0 Nc6 16.cd5 ed5 17.Nb3 Ne7 18.Nc5 Qd6 19.Nb1 a5 20.Qd2 a4 21.Nc3+/– Rfc8 22.N3a4 Ba4 23.Ra4 Ra4 24.Na4 Ne4 25.Qd3 Ra8 26.Nc3 Qe6 27.Ne4 de4 28.Qb1 f5 29.Rc1 Qd6 30.Qb3 Kf8 31.Bc4 Rc8 32.Rd1 Rc6 33.Qa2 g6 34.Rb1 Kg7 35.Rb7 (35...Rc7 36.Rc7 Qc7 37.Qa6) 1–0. marekt (2025) – Mystra (2200), ChessWorld.net, 2003.

4.g3 Bd7 5.Ra5 (5.Ra2!?=) 5...e6–/+ 6.c3 (6.Bb2 Nf6–/+ (6...Bb4?! 7.Ra7 Ra7 8.Bg7=)) 6...c5 7.Bg2 (7.Ba3 Nc6 8.Ra4 cb4 9.cb4 Ne5–/+) 7...cb4 8.Ra1 a5 (8...Nc6 9.Nf3–/+) 9.cb4 (9.Nf3 Nf6–/+) 9...Bb4 10.Qb3 (10.Ba3 Na6–/+) 10...Nf6–+ 11.Ba3 (11.Nf3 0–0–+) 11...Nc6 12.Nf3 (12.Bb4 ab4 13.Ra8 Qa8–/+) 12...e5 (12...Rb8 13.Bb4 Rb4–+) 13.Ne5 (better is 13.Bb4!? ab4 14.Ra8 Qa8 15.Qb2–+) 13...Ne5 Black gets in control 14.Bb4 ab4 15.Ra8 Qa8 16.Qb4 Nc6 17.Qc3 0–0 18.0–0 Rc8 19.Qb3 Qa5 20.Qc3 Qb5 21.e3 Na5 22.Qe5 Qd3 23.Rd1 Nb3 24.Bf1 Qc2 25.Nc3 Rc3! 26.dc3 Qd1 A pinning theme 27.Kg2 Bh3! 28.Kh3 Qf1 29.Kh4 Threatening mate... how? 29...h6 30.Qf5 g5 (30...g5 31.Qg5 hg5 32.Kg5 Qf2 33.h3 Ne4 34.Kg4 Qg3 35.Kf5 Qg5#) 0–1. vpccosta (2165) – pierred (2605), net–chess.com, 2008.

4.g3 e6 5.c3 c5 6.bc5 Bc5 =.

4.Bb2 Bd7

5.Ra1 Nc6 6.c3 (6.b5 Nb8 7.e3 c6+=) 6...Nf6 7.e3 g6 (7...a5 8.b5 Na7 9.Ra5=) 8.Nf3 Bg7 9.d4 (9.Ba6 Rb8+=) 9...Ne4 (9...a5 10.b5 Na7 11.Ra5=) 10.Bd3 f5 (10...a5 11.b5 Nb8 12.c4+=) 11.Nbd2 e6 12.Qc2 0–0 13.0–0 (worse is 13.Ne4 fe4 14.Be4 de4 15.Qe4 a5–/+) 13...Kh8 14.Ba3 (worse is 14.Ne4 fe4 15.Be4 de4 16.Qe4 Rb8–/+) 14...a5 (14...Ne7 15.c4+/– (worse is 15.Ne4 fe4 16.Be4 de4–/+)) 15.b5 (15.ba5 Re8 16.a6 e5+–) 15...Nd2 16.Nd2 (16.bc6?! Nf3 17.gf3 Qg5 18.Kh1 Bc6 19.Bf8 Bf8=) 16...Na7?? (better is 16...Ne7+/–) 17.Bf8+– Bf8 18.Ra5 c5 19.Rfa1 c4 20.Bc4 dc4 21.Ra7 Ra7 22.Ra7 Bb5 23.Qa2 Bd7 24.Nc4 Bc6 25.Ne5 Bd5 26.c4 Be4 27.f3 (27.f3 Qb6 28.fe4+–) 1–0. Fournier,Frederic – Cadet,Yves, Active Game Noyon FRA, 1995.

5.Ra1 e6 6.e3 Bb4 7.Bg7 Bd2 8.Nd2 +–.

5.Ra2 =.

5.Ra5 Nc6 6.Rd5 Nb4 7.Ra5 =.

5.Ra5 Nc6 6.Rd5 Nf6 7.Bf6 gf6 8.b5 Na5 9.e3 e6 10.Rd4 Bc5 11.Ra4 c6 12.c4 cb5 13.cb5 Rb8 14.Nc3 a6 15.Qb1 0–0 (15...ab5 16.Nb5 Qb6 17.Qa1 Bb5 18.Bb5 Qb5 19.Ra5=) 16.Ra2 (16.Qa1 Bb6 17.Rg4 Kh8 18.ba6+–) 16...Qc7? (16...ab5 17.d4 (worse is 17.Bb5 Bb5 18.Nb5 Qd5–/+; worse is 17.Nb5 Bb5 18.Bb5 Qd5–/+) 17...Be7 18.Ne4= (18.Bb5? Bb5 19.Nb5 Qd5 20.Ra5 Qg2–+)) 17.Rb2?? (17.Qa1!? Nb7 18.ba6 Nd6+–) 17...Rb7? (17...Ba3 18.Rc2 ab5 19.Nb5 Qe5=) 18.Bd3 f5 19.ba6 Rb2 20.Qb2 Rb8 21.Qc2 Bb4 22.Nge2 Bc3 23.Nc3 Rb6 24.0–0 Nb3 25.Rb1 Qb8? 26.Bc4 Nc5 27.Ra1 Bc8 28.a7 Qa8 29.Nb5 Rc6 30.Be2 Ne4 31.Qc6! Qc6 32.a8Q Qa8 33.Ra8 Nd2 34.Rc8 Kg7 35.Rc7 1–0. cmulligan (2235) – pwillows (2110), net–chess.com, 2011.

5.Ra5 e6=+ 6.Ra1 Nf6 7.c3 Bd6 8.Nf3 0–0 9.e3 e5 10.Be2 e4 11.Nd4 c5 12.bc5= Bc5 13.0–0 Qc7 14.c4 Qe5 15.cd5 Bd6=+ 16.Ra2?? Qh2# 0–1. bby – framer, Live Game Caissa's Web, 2004.

5.Ra1 Nf6

6.e3 e6

7.b5 c6 8.Bf6 Qf6 9.b6?? Qa1 10.b7 Qb1 11.ba8Q Qd1 12.Kd1 Bd6 +–.

7.b5 c6 8.Bf6 Qf6 9.b6?? Qa1 10.b7 Qb1 11.Qb1 Bc5 +–.

7.b5 c6 8.Bf6 Qf6 9.Nc3 Bd6 =.

4.Nc3 e5

5.e4 d4 6.Nb5 Nc6 7.Ba3? a6 8.Bb2 Bb7 –/+.

5.e4 d4 6.Nb5 Nc6 7.Ba3? a6 8.Bb2 Rb8 9.Na3 Rb4 10.Rb4 Bb4 11.Bc4 –/+.

5.e4 d4 6.Nb5 Nc6 7.c3 Nf6 =.

4.e3 Bd7

5.Ra1 e5 6.Bb2 Bd6 7.Nf3 c6? 8.Be5+/– Be5 9.Ne5 Qf6 10.Nd7?? Nd7?? 11.d4+/– c5 12.bc5 Nc5 13.Bb5 Kf8 14.Nc3 Ne4 15.Ne4 de4 16.0–0 a6 17.Be2 Nh6 18.f3 ef3 19.Bf3 Ra7 20.e4 g6 21.c4 Kg7 22.e5 Qb6 23.Kh1 Rd8 24.d5+– Qc5 25.Qd3 Re8 26.Rfe1 Qc7 27.Qd4 Kg8 28.d6 Qd7 29.c5 Nf5 30.Qc3 Qb5 31.c6 a5 32.d7 Rf8 33.Rab1 Qa4 34.Re4 Qa2 35.Ra1 Qf2 36.c7 Ne7 37.d8Q Rd8 38.cd8Q Kg7 39.e6 f6 40.Qdd4 Qd4+– 41.Qd4 Rc7 42.Qd6 Ra7 43.Rc4 Nf5 44.Rc7 Rc7 45.Qc7 Kh6 46.Ra5 Nd4 47.e7 Nf3 48.gf3 f5 49.e8Q f4 50.Qf8# 1–0. Fredek (2065) – Guest132218, Freundschaftspartie, 5m + 0s, 2006.

5.b5 a6 6.Nc3 Nf6 7.Nf3 c5 8.Be2 Qc7 9.0–0 (9.d4 e6=) 9...e6 (9...e5!?+=) 10.Bb2 Bd6 11.Qa1 (11.Ra2 e5 12.ba6 c4+=) 11...0–0 12.h3 (better is 12.Nd1 Ne8 13.c4+=) 12...Ne4?? (better is 12...e5=) 13.Ne4+– de4 14.Ng5 f6 (14...Be7 15.Ne4 f5 16.Ng3+–) 15.Ne4 Be7 16.Rb1 Be8 17.Bc3 Qd7 18.d4 (18.d4 cd4 19.ed4+–) 1–0. pierre – lkeg, internet, 2009.

5.b5 a6 6.Nc3 Nf6 7.Nf3 e6 (7...c6 8.ba6 Qb6 9.Ne5+=) 8.Bb2 Be7 9.Ne5 0–0 10.Be2 (10.Qf3 c5+=) 10...c6 11.ba6 Qb6 12.Qa1 c5 13.Nd7 Nfd7 14.0–0 c4 15.Rb1 Ra6 16.d3 (16.e4 Nf6+=) 16...Qa7 (16...Bf6!? 17.Ra6 Na6 18.dc4 Rb8+=) 17.dc4 Ra4 18.Na4 Nf6 19.cd5 ed5 20.Bd4 Qd7 21.Nb6 Qf5 22.Bd3 Ne4? (Better is 22...Qe6+–) 23.f3 f6 (23...Nc6+–) 24.Qa2 Kh8 25.Qd5 Qd5 26.Nd5 (26...Nd2 27.Rd1 Nf3 28.gf3+–) 1–0. Trokenheim,Marek – guest2541, ICC, 2004.

5.b5 e5 6.c4 dc4 7.Bc4 Na6?? (better is 7...Nh6+=) 8.Ra6+– (8.ba6?! Rb8 9.Ra1 Nf6+–) 1–0. Fritz11 – anony, internet, 2013.

5.b5 e5 6.c4 c6 7.Nf3 Bd6 8.Bb2 Qe7 9.b6! a6 10.c5! Bc5 11.Be5 Bb6 12.Bg7 1–0. pcmvr (2845) – kinderchocolate (2235), net–chess.com, 2011.

5.b5 Nf6 6.Be2 c5 7.c4 Qb6 8.Nf3 h6 9.Nc3 Bg4 10.0–0 Nbd7 11.h3 d4 12.Nh2 Be2 13.Ne2 e6 14.d3 Bd6 15.ed4 Qb8 16.Nf3 g5?? 17.Ng3 Nb6 18.Ra6! Ke7 19.dc5 Bc5 20.Be3 Rd8 21.Bc5 Ke8 22.Qe2 Qc7 23.Bb6 ab6 24.Rfa1 Qb7 25.Nf5! Kf8 26.Nh6 Nd7 27.Ng5 Nc5 28.Ra8 Ra8 29.Ra8 Qa8 30.Qe5! Nd3?? 31.Qh8 1–0. Trkn – sanford, itsyourturn.com, 2000.

5.b5 Nf6 6.Nf3 e6 7.Ba3 Ba3 8.Na3 0–0 9.Bd3 c5 10.Ne5 Be8 11.Qf3 Nbd7 12.Nc6 Qc7 13.Qg3 Qg3 14.hg3 c4 15.Be2 Nc5 16.Ne7 Kh8 17.Rb4 Rb8 18.d3 cd3 19.cd3 Rb7 20.Nc8 Rc7 21.Nd6 Bd7 22.Rh2 Kg8 23.Rb1 Rb8 24.d4 Nce4 25.Ne4 Ne4 26.Bd3 Nc3 27.Bh7 Kf8 28.Rb3 Rbc8 29.Bd3+/– f5 30.g4 fg4 31.Rh8 Ke7 32.Rc8 Rc8 33.Kd2 Ne4 34.Be4 de4 35.Rc3 Rb8 36.Rc7 Ra8? 37.Nc4 Kd8 38.b6 ab6 39.Rd7! Kd7 40.Nb6 Kc7 41.Na8 Kb7 42.Nb6?? Kb6 43.Ke2 Kc6 44.g3 Kd5 45.Kd2 Kc4 46.Kd1 Kd3 47.Ke1 Kc2 48.Ke2 Kc1 49.Kf1 Kd1 50.Kg2 Ke1 51.Kg1 Ke2 52.Kg2 Kd3 53.Kh1 ½–½. pierredziel – pejton2004, Yahoo, 2005.

4.e3 e5

5.Bb2 Bd7 6.b5 c6 7.Be5 (7.b6 Qb6 8.Be5 c5 9.Ra2 Nc6 10.Nf3 Nb4 11.Ra1 Bf5 12.Na3=) 7...cb5 8.Rd4 Bc6 9.Nc3 a6 10.Nd5 Bd5 11.e4 Qe7 12.Rd5 +=.

5.Bb2 Nd7 6.b5 (6.Nf3 A) 6...Qf6= 7.Nc3 (7.Be2 Bd6 8.b5 Ne7 9.0–0 0–0 10.Bd3 h6 11.Ra5 c6 12.bc6=; 7.b5 Bd6 8.d4 e4 9.Ne5 Nb6 10.Ra2 Qe6 11.Nd2 Ne7 12.c4+=; 7.c4 c6 8.cd5 cd5 9.Nc3 Qd6 10.Nb5 Qb8 11.Qc1 Kd8 12.Qa1+/–; 7.Na3 c6 8.b5 Bd6 9.Qa1 c5 10.Nb1 Ne7 11.Ra7 Ra7 12.Qa7= 0.25) 7...Nb6 8.Nb5 Bd6 9.Ra7 Ra7 10.Na7 Bg4 11.Bb5 Nd7 12.Nc6+/–; B) 6...e4 7.Ne5 Ne5 8.Be5 Bd7 9.b5 Ne7 10.Nc3 c6 11.Qh5 Qc8 12.Be2+=) 6...Ngf6 (6...Bd6 7.f4 Ngf6 8.fe5 Ne5 9.Nf3 Ned7 10.Be2 Nc5 11.Ra3 0–0 12.0–0=) 7.Nf3 (7.Be2 Bd6 8.Nf3 Nc5 9.Ra2 e4 10.Nd4 Bd7 11.Nc3 Ne6 12.Nf5+=) 7...Bd6 8.d4 (8.Be2 0–0 9.0–0 a6 10.Ra2 a5 11.Nc3 Bb7 12.Qa1=) 8...Qe7 (8...e4 9.Ne5 Nb6 10.Ra1= (10.Ra2 Be6 11.Be2 Nfd7 12.Nd7=) 10...Be6 11.Be2 Nfd7 12.Nd7=) 9.de5+= Ne5 10.Nbd2 (10.Ne5 Be5 11.Be5 Qe5 12.Bd3+=) 10...0–0 (10...Bg4 11.Be2 Ned7 12.Qa1+=) 11.Qa1 (11.Ne5 Be5 12.Be5+=) 11...Re8 (11...Nfd7 12.Ne5 Ne5 13.c4 dc4 14.Nc4 Nc4 15.Bc4+=; 11...Nf3 12.Nf3+=) 12.Ne5+/– Be5 13.Be5 Qe5 14.Qe5 Re5 15.Bd3 Bd7 16.Nf3 Ree8 17.Nd4 a6 18.Ra6 Ra6 19.ba6 c5 20.Nf3 (20.c3 cd4 21.cd4 Rb8=) 20...c4 21.Be2 Ra8 22.0–0 Ra6 23.Rb1 g6 24.Nd4 Ne4 25.Bf3 (25.g4 Kf8=) 25...Nc3 (25...Nd2 26.Rd1 Nf3 27.gf3+=) 26.Rc1 (26.Rb8 Kg7 27.g4 g5=) 26...Ra2 27.Ne2 Ne2–/+ ½–½. Schulze,Harald (2135) – Pruesse,Horst (1925), Nuremberg–ch op, 2003.

5.d4 e4 6.Ba3 Bd7 7.b5 Ba3 8.Na3 Ne7 9.c4 c6 10.Qh5 cb5 11.Nb5 g6 (11...Bb5 12.cb5 Qc7 13.Qd1=) 12.Qe5 (12.Nd6!? Kf8 13.Qh6 Kg8 14.Qf4+=) 12...0–0= 13.cd5 Bb5 14.Bb5+= Qd5 15.Ne2 Qe5 16.de5 a6 17.Nc3 Nbc6 18.Ba6 Nb4 19.Rb4+– Ra6 20.Kd2 Nc6 21.Re4 Rd8 22.Ke2 Ra3 23.Rc1 (23...Rb3 24.Na4+–) 1–0. Trkn – LatvianGambit87, ICC, 2004.

5.Nf3 e4 6.Nd4 (6.Ne5 Ne7 7.Qh5 g6=) 6...Bd7 7.b5 Nf6 8.Nc3 (8.Bb2 Be7=) 8...c5 9.bc6 Nc6 (worse is 9...Bc6 10.Nc6 Nc6 11.f3+=) 10.Nc6 Bc6 11.Ra6 Bd7 (11...Bb7 12.Bb5 Nd7 13.Ra1=) 12.Bb2 Be7 (12...Qb8 13.Qa1 Qb7 14.Rf6+=) 13.Qa1 0–0 14.Be2 (14.Ra7 Ra7 15.Qa7 Qb8=) 14...Qb8 (14...Qc7 15.0–0=) 15.0–0 Rd8 (15...Re8 16.Ba3 Ba3 17.Qa3=) 16.Ba3 (16.Rb1 Bd6+=) 16...Ba3 17.Qa3 Bc8 (17...Bg4 18.Rb1 Qc7 19.Bb5=) 18.Rb1 (18.Ra4 Qd6=) 18...Qc7 19.Ra5 a6 (19...Bg4 20.Ba6 Rdb8 21.Rb8 Rb8 22.Bf1+=) 20.Rc5 (20.Ba6 Ng4 21.g3 Ne5 22.Nd5 Rd5 23.Rd5 Nf3 24.Kg2 Ba6+–) 20...Qd6 21.Qa5 Now all is on d5 21...Be6 22.Rb6 Increasing the pressure on the isolated pawn on a6 22...Qe7 23.Rb4 Qd6= 24.Rc7 h6 25.h4 Bg4= 26.Bf1 Bd7 27.g3 Bb5 28.Bh3 Bc6 29.Bf5? Ne8–/+ 30.Rc6 Qc6 31.Rb6 Qc7 32.Nd5 Qc2 33.Ne7 Kf8 34.Qb4 The mate threat is Ng6 34...Qd1 35.Kh2 Nf6 36.Nd5 Kg8 37.Nf6 gf6 38.Qe4 (38.Qe4 Qd2 39.Qf4+–; 38.Be4 Ra7 39.d3 Qa1+/–) 1–0. pcmvr (2775) – pierred (2605), net–chess.com, 2008.

3.Ra4 d6

4.d4 c5 5.bc5 dc5 6.dc5 Qd1 7.Kd1 e6 8.Be3 Nf6 9.Nc3 Nbd7 Exerts pressure on the isolated pawn 10.c6 Nb6?? (better is 10...Ne5 11.c7 Neg4+=) 11.Bb6+– 1–0. Wolf,Achim (1900) – Lotter,Christian (2140), remoteschach.de, 2005.

4.d4 Bd7!? 5.Ra1 Nf6 =.

4.e4+= Bd7 5.b5 a6 6.d4 c6 (6...Nf6 7.e5 Nd5 8.Ra1+=) 7.c4 (7.ba6 Na6 8.Nd2 Qb6+=) 7...cb5 (7...Nf6 8.Nc3+=) 8.cb5 a5 (8...Nf6!? 9.Nc3 e6+=) 9.Bc4 Qb6? (9...Nf6 10.e5 d5 11.Bd3+/– (worse is 11.ef6 dc4 12.fg7 Bg7+=)) 10.Nc3 (10.Bf7 Kf7 11.Qh5 g6 12.Qd5 Kg7 13.Qa8 Bb5+/–) 10...Nf6 (better is 10...e6!?+/–) 11.e5+– de5 (better is 11...d5 12.Bd3 Qe6+–) 12.de5 Ng8 (12...Ng4 13.Qf3 Qf2 14.Qf2 Nf2 15.Kf2 e6+–) 13.Qd5 Ra7 (13...e6 14.Qa8 Bc5+–) 14.Qf7 Kd8 15.Qf8 Kc7 16.Nd5 Kb7 Black threatens to counter with Qe6 17.Nb6 (17.Nb6 e6 18.Bd3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.e4+= Bd7 5.b5 c6 6.Nc3 +=.

4.e4 Bd7 5.b5 e5 6.Nf3 Bg4 (6...c6 7.Nc3+=) 7.h3+/– Bh5 8.Be2 Nd7 9.d4 c6 (9...ed4 10.0–0+/–) 10.bc6 Nb6 11.Ra5 Qc8 (11...Bf3!? 12.Bf3 ed4 13.Qd4 Ne7+/–) 12.Nbd2+– Qc6?? (better is 12...Bf3 13.Nf3 ed4+–) 13.Bb5 Qb5 14.Rb5 ed4 15.Rh5 Nf6 16.Ra5 Be7 17.Nd4 0–0 18.Nf5 Bd8 19.Bb2 Nbd7 20.Rb5 Bb6 21.Nc4 Bc5 22.Ncd6 Bd6 23.Qd6 Rfd8 24.Qg3 g6 25.Ne7 Kg7 26.Qd6 Re8 27.Qd7 Rad8 28.Qc7 Kf8 29.Bf6 Ra8 30.Rb7 a5 31.Ng6! (31.Ng6 fg6 32.Qf7#) 1–0. pierre – G_brain16, internet, 2008.

4.e4+= Nf6 5.Nc3 +=.

3.Ra4 e5

4.Bb2 d6 5.b5 Bd7 6.e3 Nf6 7.c4 Be7 8.Nc3 c6 (8...Be6 9.Qa1+=) 9.d4 ed4 10.Qd4 c5 11.Qf4 Be6 12.Nh3 h6 13.Qg3 0–0 (13...g5!?+=) 14.Nf4+/– Nbd7 15.Ne6 fe6 16.Qh3 e5 (16...Kf7 17.Bd3+/–) 17.Bd3+– Qe8 18.0–0 Qh5 (better is 18...Nb6 19.Ra2 Nh7+–) 19.Qh5 Nh5 20.Rfa1 Bd8 (20...Nhf6 21.Ra7 Ra7 22.Ra7+–) 21.Ra7 Ra7 22.Ra7 Nhf6 23.Ne4 (23.Nd5 Nb6 24.Nb6 Bb6+–) 23...Bb6 (23...Ne4 24.Be4 (24.Rd7?! Nf2 25.Be2 Ne4+–) 24...Nb6 25.Bc3+–) 24.Rb7 Ne4 25.Be4 (25.Rd7?! Nf2 26.Rd6 Bc7+–) 25...Nf6 26.Bf5 (26.Rb6?! Ne4 27.Ba1 Rf2 28.Rd6 Rc2+=) 26...Ba5 27.b6 Nh7 28.g4 Ng5 (28...Nf6 29.Kg2+–) 29.f4 Nf3 30.Kf2 Nh4 (30...Nd2 31.Ke2 Re8 32.Bg6+–) 31.Be4 Re8 (31...h5 32.gh5 Nf5 33.fe5 de5 34.Ke2+–) 32.Kg3 Be1 33.Kh3 ef4 (33...Kf8+–) 34.Bd5 1–0. marekt (2070) – tflk (1745), gameknot.com, 2014.

4.Bb2 d6 5.e3 Nf6 6.Nf3 Be7 7.Be2 0–0 8.0–0 Nbd7 9.c4 c5 10.bc5 Nc5 11.Ra2 1–0. pcmvr (2860) – drako (2755), net–chess.com, 2011.

4.Bb2 f6 5.e4 (black timed out) 1–0. chessxliv (2100) – ishawamatryer (2070), net–chess.com, 2014.

4.c4 Bb7 5.Nc3 Nf6 6.Nf3 d6 (6...e4 7.Ng5=) 7.d4 e4 8.Nd2 Qe7 (8...e3 9.fe3 d5 10.Qc2+=) 9.e3+/– c6 10.Be2 d5 11.0–0 Nbd7 12.c5 Qe6 13.f3 Be7 (better is 13...ef3!? 14.Rf3 Be7+/–) 14.fe4+– de4 15.Bc4 Nd5 16.Nde4 0–0 17.Qf3 N7f6 (17...Qg6 18.Bd2+–) 18.Ng3 (18.Nf6 Bf6 19.b5 Rfd8+–) 18...Qd7 19.Bd2 a6 20.Nf5 Rae8 21.e4 Nc3 22.Bc3 h6 23.Qg3 (23.Qg3 Nh5 24.Qg4+–; 23.Ne7?! Qe7 24.e5 Nd5+–) 1–0. pierred (2540) – kode (2315), net–chess.com, 2007.

4.d4 ed4 5.Qd4 Nc6 6.Qe4 Qe7 7.Qe7 Be7 8.e3 Bb7 9.c3 a6 10.Nf3 Nf6 11.Be2 0–0 12.0–0 h6 13.Nd4 Nd4 14.ed4 Bc6 15.Ra6+/– Bb7 16.Ra8 Ra8 17.Be3 Nd5 18.Bf3+/– Ba6?? 19.Bd5+– c6 20.Bf7 Kf7+/– 21.Re1 d5 22.Nd2+– Kg8 23.Nf3 Bf6 24.Bd2 Bb5 25.g3 Kh7 26.Kg2 Rg8 27.Ne5 Ra8 28.Nd7 Ra2 29.Nf6 Kg6? 30.Bh6 gf6 31.Bf8 Ra3 32.Re3 Kf7 33.Bc5 Ba6 34.b5! Bb5 35.Ba3 Kg6 36.Be7 Kf7 37.Bc5 Kg6 38.Re8 Kf5 39.Rg8 Ke6 40.h4 Kf7 41.Rg4 Ke6 42.h5 f5 43.Rg5 Kf6 44.f4 Ba6 45.h6 Bc8 46.h7 Ba6 47.h8Q Ke6 48.Rg6 Kf7 49.Rf6# (49.Qg8#) 1–0. tomy (2260) – iboyd (1950), net–chess.com, 2006.

4.e4 Bb7 5.b5 Be4?? 6.Re4+– Bc5 7.Re5 Kf8 8.Qf3 d6 9.Bc4 f6 10.Rc5! dc5 11.Qa8 Ne7 12.Nf3 Nf5 13.0–0 h6 14.Qd5 Ne7 15.Qd8# 1–0. pierred – MCRH, Rated game, 1m + 0s, 2003.

4.e4 Nc6 5.b5 Nd4 6.Nf3 Qf6? 7.Nd4 ed4 8.Bb2 Bc5 9.d3 Qf4 10.Bd4 Bd4 11.Rd4 d5 12.Nc3 Nf6 13.Nd5 Nd5 14.Rd5 0–0 15.Be2 Bb7 16.Rf5 Qd6 17.0–0 Rae8 18.Bf3 g6 19.Rg5 f6 20.Rg3 Re5 21.d4 Rb5 22.Bh5 Kh8 23.Bg6 f5 24.Bf5 Qf4 25.Qh5 Qf2 26.Rf2 Rb1 27.Rf1 Rf1 28.Kf1 Ba6 29.Ke1 Rf5 30.Qe8 Rf8 31.Qf8# 1–0. Trkn – Harry N., itsyourturn.com, 2001.

3.Ra4 e6

4.Bb2 Bb7 5.Nc3 Nf6 6.e3 (6.Nf3 c5 7.b5 a6 8.e3 Be7 9.Be2 ab5 10.Ra8 Ba8 11.Bb5=) 6...c5 7.b5 d5 8.Nf3 Bd6 9.Qa1 Qb6 10.Be2 e5 11.Nb1 =.

4.Bb2 d5 5.Na3 A) 5...a6 6.e3 (6.Nf3 Bd7 7.b5 f6 8.e3 Ra7 9.Be2 e5 10.0–0 Rb7 11.ba6=) 6...Bd7 7.b5 Nf6 8.Nf3 Be7 9.Ne5 0–0 10.Be2 Ne4 11.Nd7=; B) 5...Bd7 6.b5 c6 7.e3 Nf6 8.Bd4 c5 9.Be5 c4 10.d3 Ba3 11.Ra3 =.

4.Bb2 d5 5.Nc3 A) 5...Nf6 6.Nf3 (6.e3 c5 7.b5 Bd6 8.Qa1 Qb6 9.Nf3 0–0 10.Ra2 Nbd7 11.Be2=) 6...c5 7.b5 a6 8.e3 Qb6 9.Ra2 Bd6 10.Na4 Qb7 11.Bf6=; B) 5...c5 6.bc5 (6.b5 d4 7.Na2 Nd7 8.e3 Nb6 9.Ra3 Nf6 10.Nf3 Bd6 11.ed4=) 6...Bd7 7.Ra2 Bc5 8.Ne4 de4 9.Bg7 Bf2 10.Kf2 e3 11.de3+–; C) 5...Na6 6.Qa1 (6.Na2 Qd7 7.c3 c5 8.e3 Nc7 9.Nf3 Nf6 10.c4 dc4 11.Bf6+=) 6...d4 7.Ne4 f5 8.Ra6 Ba6 9.Qa6 fe4 10.Qe6 Ne7 11.Qe4+=; D) 5...Bd7 6.b5 c6 7.e3 Qb6 8.bc6 Bc6 9.Ra2 Nf6 10.Nf3 Bd6 11.Ne2=.

4.Bb2 d5 5.e3 Bd7 (5...Bd7 6.b5 c6= 7.Nc3 Qb6 8.bc6 Bc6 9.Ra2 Nf6 10.Nf3 Bd6 11.Qe2=; 5...Nf6 6.Bd4 (6.Nf3 c5 7.b5 Bd6 8.Be5 a6 9.Be2 Be5 10.Ne5 Nfd7 11.Nd7=) 6...Bd7 7.b5 a6 8.Nf3 c5 9.Be5 Be7 10.Nc3 0–0 11.Be2=). Olej,Emil(+) – Cane, corr 3GMM–57, 1995.

4.Bb2 Nf6 5.e3 d5=.

4.Bb2 Nf6 5.Nf3 (--> 2.Bb2 Nf6 3.a4 ba4 4.Nf3 e6 5.Ra4).

4.c3 Nf6 5.d4 (5.d3 c5 6.bc5 Bc5=) 5...d5 6.Bg5 Be7 (6...h6 7.Bf4=) 7.Nf3 (7.e3 Bd7 8.Ra3 Nc6+=) 7...Nbd7 (7...0–0 8.e3+=) 8.e3+= 0–0 9.Nbd2 (9.Bb5 Bb7+=) 9...h6 (better is 9...Bd6+=) 10.h4?? (10.Bf6 Bf6 11.Bb5 Nb6+=) 10...c6 (better is 10...hg5!? 11.hg5 Nh7–/+) 11.Ne5 (11.Bf4 Qb6+=) 11...Qc7 12.Nd7+= Bd7 13.Ra5 e5+= 14.de5 Qe5–/+ 15.Bf4? Qc3–+ 16.Qb1 Bb4 17.Ra2 Ne4 18.Rc2 Nd2 19.Qc1 Nb3 20.Rc3 Nc1 21.Kd2 Na2 22.Kc2 Nc3 23.Bd3 a5 24.Ra1 c5 25.Be5 a4 26.Bc3 Ra7 27.Bb4 cb4 28.Kd2 Rb8 29.Kc2 g6 30.f3 Kg7 31.g4 a3 32.e4 b3 Black prepares the advance a2 33.Kc3 de4 34.Be4 b2 35.Rb1 a2 36.Rb2 Rb2 37.Kb2 a1Q (37...a1Q 38.Kb3 Be6 39.Bd5 Bd5 40.Kc2 Ra2 41.Kd3 Qd1 42.Ke3 Qd2#) 0–1. grahamtrue (2110) – bromer (2260), net–chess.com, 2008.

3.Ra4 Nf6

4.Bb2 g6 5.b5 Bg7 6.Nc3 0–0 7.Qa1 a6 (7...d5 8.e3=) 8.e3 Bb7 9.Nf3 (worse is 9.ba6 Na6 10.Nf3 Nb4+=) 9...d6 (9...Qc8!?+=) 10.ba6+/– Ra6?? (better is 10...Bc6 11.Ra3 Bf3 12.gf3 d5+/–) 11.Ba6+– Ba6 12.Ra6 Na6 13.Qa6 Qd7 14.0–0 Rb8 15.Rb1 h6 16.Nd4 Kh7 17.h3 Rb6 18.Qa5 e6 19.d3 Rb7 20.Qa2 c5 21.Nf3 Qc8 22.Bc1 Qb8 23.Rb7 Qb7 24.Bd2 Nd7 25.Qa4 Nb6 26.Qb5 Qc7 27.Ne4 Nd5 (27...c4 28.Ba5 cd3 29.c3+– (29.Bb6?! dc2 30.Bc7 c1Q 31.Ne1 Qe1 32.Qf1 Qf1 33.Kf1 d5+–; 29.Qb6?? Qb6 30.Bb6 dc2–+)) 28.Ba5 Qe7 29.Qb8 Nf6 (29...Qf8 30.Bc7 f5 31.Nd6+–) 30.Qd6 Qd6 31.Nd6 Kg8 32.Ne5 Nd5 33.Ndf7 1–0. Janek – Bertie, internet, 2016.

4.b5 e6 5.Bb2 Bb7 6.c4 d5 7.e3 a6 8.Nf3 Nbd7 9.Nc3 (9.cd5!? Bd5 10.Ra6+/–) 9...dc4 10.Bc4 ab5 11.Ra8 Qa8 12.Nb5 Bd6 13.Nd6 cd6 14.0–0 Bf3 15.Qf3 Qf3 16.gf3 Ke7 17.d4 Rb8 18.Ba3 Rc8 19.Rc1 Nb6 20.Bb3 Rc1 21.Bc1 d5 22.Kg2 Ne8 23.e4 f6 24.Ba3 Kd7 25.Bc5 Nc4 26.Ba4 Kd8 27.ed5 ed5 28.f4 Nc7 29.Bc2 h6 30.Bg6 Ne6–/+ 31.f5? Nc5–+ 32.dc5 Kd7 33.Bf7 Kc6 34.Kg3 Kc5 35.f4 d4 36.Kf3 d3 37.h4 Kd4 38.Kf2 Kc3 39.Bc4 Kc4 40.Ke1 Kc3 41.Kd1 h5 42.Kc1 Kc4 43.Kd2 Kd4 44.Kd1 Ke3 45.Ke1 Kf4 46.Kd2 Ke4 (46...Ke4 47.Kd1 Kf5–+) 0–1. Rush,Bradley – Slavin,Pablo, RF–2011–0–00094, 2011.

4.Nf3 (--> 3.Nf3 Nf6 4.Ra4).

3.Bb2 Bb7

4.Nc3 e5 5.Ra4 Nf6 =.

4.c4 a5 5.b5 e6 (5...Nf6 6.Ra4 e6 7.Nf3=) 6.e3 Nf6 7.Nf3 d5 8.Qa4 (8.Bd4 c5 9.bc6 Nc6 10.cd5 Nd4 11.Nd4 Bd5=) 8...Nbd7 9.Na3 (9.cd5 Bd5 10.Nc3 Bf3 11.gf3 Bb4=) 9...Bb4 10.Be2 0–0 11.0–0= Nc5 12.Qc2 dc4 13.Qc4 Nfe4 14.d3 Bd5 15.Qd4 Nf6 16.Qh4 Na4 17.Bf6 Qf6 18.Qf6 gf6 19.Nc2 Nc3–/+ 20.Bd1 Bd6 21.e4 Bb3–/+ 22.Ne3 Nd1 23.Nd1 Rfb8 24.Nc3=+ a4 25.g3 a3 26.Rfc1 e5–/+ 27.Nd2 Be6 28.Nc4 Bb4 29.Na2 Rb5 30.Nb4=+ Rb4 31.Ra3 Ra3 32.Na3 Rb3 33.Nb1 Rd3–/+ 34.Kg2 Rb3 35.Nd2 Rb2 36.Nc4 Rb4 37.Nd2 Rd4 38.Nf1 Re4 39.Rc7 Bd5 40.Rc8 Kg7 41.Rc5 Rd4 42.f3 Rd3 43.Kf2 Bf3–+ 44.Ne3 Be4 45.g4 Rd2 46.Kg3 Re2 (47.Rc3 h5–+) 0–1. Lehr,Thomas – Haenjes,Frank, Schleswig Holstein–ch qual, 1997.

3.Bb2 Nc6

4.b5 Rb8 5.c4 =.

4.c3 =.

3.Bb2 e6

4.e3 Bb4?? 5.Bg7 Nc6 6.Bh8 +–.

4.e3 Bb4?? 5.Bg7 Nf6 6.Bh8 +–.

4.e3 Bb7 =.

4.e3 Nf6 5.Ra4 Bb7 =.

4.e3 Nf6 5.b5 Be7 6.Qf3 d5 7.c4 a6 8.Ra4 c6 9.bc6 =.

4.e3 Nf6 5.b5 Be7 6.Qf3 d5 7.c4 Bb7 8.Nc3 Qc8 9.Qg3 (9.Ra4? d4 10.Qg3 dc3 11.Bc3 0–0–+) 9...0–0 10.Nf3 Bd6 11.Qh4 Nbd7 12.Na4 dc4 13.Bc4 Be4 14.Be2 Qb7 15.Nc3 Bg6 16.0–0 e5 17.d4 e4 18.Nd2 Rae8 (18...a6!?+=) 19.Nc4+/– Bb4 20.Na5 Qb6 (20...Ba5!? 21.Ra5 c5+/–) 21.Nc6+– Bc3 22.Bc3 Nd5 23.Bb2 Nb8 24.Ba3 Nc6 25.Bc5 Nd4 26.ed4 (worse is 26.Bd4 Qd6+/–) 26...Qb8 27.Bf8 Kf8 28.Qg5 f5 29.Qc1 Nb6 (29...Qb6 30.Rd1 e3 31.fe3 Ne3 32.Rd2+–) 30.Qa3 (30.Qc5 Re7+–) 30...Re7 31.Qa7 Qd8 32.Rfd1 f4 33.Ra3 Rd7 34.Rc3 Kg8 35.Rc6 f3 36.gf3 Qg5 37.Kh1 ef3 38.Bf3 Bh5 39.Qa2 Rf7 40.Bh5 Qh5 41.Qb3 Kh8 42.Rc5 Qg6 43.Qe3 h6 44.Rdc1 Qd6 45.Re5 Nd5 46.Qb3 Rd7 47.Re8 Kh7 48.Qd3 g6 49.Rc6 (49.Rc6 Qc6 50.bc6+–) 1–0. Cottarelli,Franco – Cane,Luisito, Italy Masters Ch–1, 1985.

4.e3 Nf6 5.b5 Be7 6.Qf3 d5 7.Qg3 0–0 =.

4.e4 Bb4?? 5.Bg7 Qh4 6.Bh8 Qe4 7.Ne2 +–.

4.e4 Nf6 5.e5 Nd5 6.c3 Bb7 7.Ra4 (7.Nf3 a5 8.b5 Be7=) 7...d6 (7...Nb6 8.Ra1+=) 8.Nf3= de5 (8...Nd7 9.d4=) 9.Ne5 Nf4 10.Qg4 (10.f3 Bd6 11.c4 Ng6 12.Ng6 hg6= (worse is 12...fg6 13.c5 Qh4 14.Ke2+/–)) 10...Qf6–/+ 11.c4 (11.d4 h5 12.Qg3 h4–/+) 11...Nc6 (11...Nd7 12.Nd7 Qb2 13.Nc3 Bb4 14.Rb4 Qb4 15.Qf4 Kd7 16.Qf7 Qe7 17.Qf4–+) 12.Bc3?? (12.Nc6 Qb2 13.Nc3 Qc1 14.Nd1 Bc6 15.b5–+) 12…Ne5–+ (12...Ne5 13.Qg3 Qf5–+) 0–1. kode (2325) – pcmvr (2775), net–chess.com, 2008.

3.c3 Bb7

4.Nf3 Nf6 5.d3 (5.Qa4 g6=) 5...g6= 6.e4 Bg7 7.Be2 0–0 8.0–0 d6 (8...a5 9.Ra4 d6 10.Qb3=) 9.Qa4 Nbd7 10.Qc2 c5 11.bc5 Nc5 12.Be3 Qc7 13.Nbd2 Rfc8 (13...a5 14.h3=) 14.Nd4 (14.Rfb1 Ne6+=) 14...a5 (14...d5 15.Nb5 Qd7 16.Na7+/–) 15.Nb5 (15.Rfb1 d5+=) 15...Qc6 (15...Qd7 16.Rfb1+=) 16.Rfb1+= Rcb8 17.Bf3 e5 (better is 17...Ra6!?+=) 18.Nc4+– Ne8 19.Na5 Qa6 (19...Qd7 20.d4 ed4 21.Nd4+/–) 20.c4 (20.d4 Bc8 21.dc5 Rb5+–) 20...Bc8 21.Nb3 Qb6 (21...Qc6 22.Ra8 Ra8 23.Nd6 Nd6 24.Nc5+–) 22.Ra8 Ra8 23.h3 Bd7 (23...Qc6 24.Nd6! Nd6 25.Nc5+–) 24.Nd6! (24.Nd6 Qd6 25.Nc5+–) 1–0. staatenlose (2005) – zd3nik (1900), gameknot.com, 2014.

4.Nf3 g6 5.Bb2 =.

3.c3 d5

4.Nf3 e6 5.Qa4 Bd7 6.Qc2 a5 (6...c5 7.bc5 Bc5 8.d4=) 7.d4 (7.Ra5 Ra5 8.ba5 c5+=) 7...Nf6 (7...Nc6 8.ba5 Na5 9.e4=) 8.Nbd2 (8.ba5 c5 9.Bf4 Nc6+=) 8...Nc6 9.ba5 Ra5 10.Ra5 Na5 11.e4 c5 12.e5 Nh5 13.Nb1 g6 14.Be2 Qc7 15.Qd1 cd4 16.cd4 (16.Qd4?! Bc5 17.Qh4 Nc6=+) 16...Nb3 17.0–0 Nc1 18.Qc1 Qc1 19.Rc1 Nf4 20.Bf1 g5 21.h3 Be7 22.g3 Ng6 23.Nbd2 0–0 24.Rc7 Rd8 25.Bd3 Nf8 26.Rb7 Rc8 27.Kf1 Bd8 28.Nb3 Bc6 29.Ra7 Ra8 30.Ra8 Ba8 31.Bb5 Bb7 (31...h5 32.Nc5+=) 32.h4 gh4 33.Nc5 Bc8 34.Nh4 Bh4 35.gh4 Ng6 36.h5 Nf4 37.h6 f6 38.ef6 Kf7 39.Nd3 ½–½. Taulien,Hans_Juergen – Mehlhorn,Uwe, remoteschach.de, 2003.

3.c3 Nf6

4.Qa4 c6 5.Nf3 Qc7 6.d4 Nd5 (6...d5!?+=) 7.e4+/– Nb6 8.Qa5 a6 (8...d5 9.Bd3+/–) 9.c4 Qa7?? (better is 9...Ra7+/–) 10.c5+– d5 11.cb6 (11...Qb7 12.ed5 cd5 13.b5+–; 11.Qb6?! Qb6 12.cb6 de4+–) 1–0. Baumann,Heinz – Ritschel,Stephan, RSX9E – A00 – Sokolsky–1, 2002.

4.Qa4 e5 5.d3 c5 6.Nf3 cb4 7.cb4 Bd6 8.Nbd2 =.

3.c4 e6

4.Ra4 e5 =.

4.Nc3 e5 5.Ra4 Bb7 6.Nf3 e4 7.Nd4 Nf6 8.e3 (8.d3 ed3 9.ed3 Nc6 10.Qe2 Qe7=) 8...Nc6 (8...c5 9.bc5 Bc5 10.Nb3=) 9.c5 Nd4 10.ed4 Be7 (10...d6 11.d3=) 11.d3 0–0 12.de4 Ne4 13.Ne4 Be4 14.f3 Bb7 15.Bc4 Bh4 16.g3 Re8 17.Be2?? (better is 17.Kf2=) 17...Bf3–+ 18.Ra2 (18.Ra3 Be2 19.Qe2 Re2 20.Ke2 Bg5–+) 18…Bh1 (18...Bh1 19.Kf1 Bd5–+) 0–1. bromer (2260) – pierred (2605), net–chess.com, 2008.

4.d4 e5+= Black gets strong initiative 5.c5 (5.Ra4 Nc6 6.Bd2 ed4+=) 5...ed4 (5...Nc6 6.Ra4 ed4 7.e3+=) 6.Qd4 Nc6 7.Qe4 (7.Qf4 d6+=) 7...Qe7–/+ 8.Qe7 (8.Qf4 a5 9.ba5 Ra5–/+) 8...Be7 (8...Nce7?! 9.Nc3=) 9.Bb2 (9.Ra4 Rb8–/+) 9...Nf6–+ (9...Nb4 10.Ra4 f6 11.Rb4 Bc5 12.Rb3+=) 10.Nc3 (10.Ra4 Rb8 11.Nd2–+) 10...Nb4 11.Na4? (11.Rc1–+) 11...Nc2 12.Kd2 Na1 13.Ba1 Ne4 14.Ke1 (14.Ke3 Nc5 15.Bg7–+) 14…Rb8 (14...Rb8 15.Nc3 Nc3 16.Bc3 Rb1 17.Kd2 Rf1–+) 0–1. alaamattar (2245) – pierred (2605), net–chess.com, 2008.

4.Nf3 Nc6

5.b5 ab5

3.c4 Bb7

4.Ra4 e6 =.

4.e3 e5 5.Ra4 c5 6.bc5 =.

4.e3 e6 5.b5 (5.Ra4 c5 6.bc5 Bc5+=) 5...Bb4 (5...a6 6.Ra4 Nf6 7.Ba3+=) 6.Nf3 (6.Ra4 Be7=) 6...c5 (6...Nf6 7.Ra4 Be7 8.d4=) 7.Be2 (7.Ra4 a6=) 7...Qf6 (7...a6 8.Bb2 Nf6 9.Ra4 (worse is 9.Qa4 ab5 10.Qb3 bc4 11.Qc4 Ra1 12.Ba1 0–0–/+) 9...ab5 10.Ra8 Ba8 11.cb5 Bf3 12.Bf3=) 8.Ra4 (worse is 8.Qa4 a6–/+) 8...Qg6 (8...a6 9.Ba3 ab5 10.Ra8 Ba8 11.Bb4 cb4 12.cb5=) 9.Bb2 (9.Nc3 Nf6 10.Na2 a5=) 9...Nf6 (9...Qg2?? 10.Rg1 Qg1 11.Ng1+–) 10.0–0 d5 (10...a6 11.d4=) 11.Ba3 (11.d4 dc4 12.dc5 Bc5 13.Rc4 Nbd7+=) 11...Ba3 12.Ra3 (12.Na3 Nbd7+=) 12...0–0 (12...dc4 13.Bc4 0–0 14.Qe2=) 13.Ne5 Qf5 (13...Qh6 14.Nc3+=) 14.f4 Ne4 15.d3 (15.Qc1 dc4 16.Nc4 Qd5+/–) 15...Nd6 16.Nd2 dc4 (better is 16...a6 17.b6 Qf6+=) 17.Ndf3?? (17.dc4 a6 18.Bf3 Bf3 A) 19.Nef3?! Rd8+=; B) 19.Rf3?! Qf6+=; C) worse is 19.gf3 f6 20.Ne4 Ne4 (worse is 20...fe5 21.Qd6 ef4 22.ef4+/–) 21.fe4 Qe4=; D) 19.Qf3+–) 17...Nb5–+ 18.Qb1 (better is 18.Ra5 Nc3 19.Qc2 Ne2 20.Qe2 cd3 21.Nd3–+) 18...Na3?? (18...Ba6 19.Ra6 A) 19...Na6? 20.Qb5 Nb4 21.Qc4+– (21.dc4?! f6+/–; 21.Nc4?! a6 22.Qb6 Rab8+=); B) 19...Nc3–+) 19.Qb7+= Nd7 20.Qd7 Nc2 21.Nh4?? Qf6–+ 22.g3 Rfd8 23.Qd8?? Rd8 24.Nc4 Nb4 25.Ne5 a5 26.Nhf3 a4 27.Ra1 Ra8 28.d4 cd4 29.Nd4 Qe7 30.Ndc6 Qc5 31.Kf2 Qc2 32.Kf3 f6 33.Bd1 Qh2 34.Ra4 Qh1 35.Kf2 Ra4 36.Ba4 fe5 (36...fe5 37.Nb4 Qc1–+) 0–1. Zimmer,Georg – Wartig,Wolfgang, corr, 1989.

3.c4 d6

4.Nc3 Bd7 5.Na4 g6 6.Bb2 f6 7.e3 Bg7 8.Nf3 Bg4 9.Be2 e5 10.0–0 Ne7 11.Qb3 e4 12.Nd4 Bd7 13.c5 d5 14.b5 0–0 15.c6 Bc8 16.Nc3 Kh8 17.d3 f5 18.de4 fe4 19.f3 ef3 20.Bf3 Bd4 21.ed4 Be6 22.Rfe1 Bf7 23.Ba3 Re8 24.Be7 Re7 25.Bd5 Kg7 26.Re7 Qe7 27.Bf7 Qf7 28.Qf7 Kf7 29.Nd5 Nc6 30.bc6 a5 31.Re1 a4 32.Nc3 Ra6 33.d5 a3 34.Re2 Ra5 35.Ra2 Ke7 36.Kf2 Kd6 37.Ke3 Kc5 38.Kd3 Kb4 39.Kd4 Kb3 40.d6 cd6 41.c7 Rc5 42.g3 Rc3 43.Ra3 Ka3 44.Kc3 Ka4 45.c8Q 1–0. Trkn – rts28, itsyourturn.com 2000.

3.c4 e5

4.Qa4 Na6 5.Bb2 Nb4 6.Nc3 (6.Be5 Qe7 7.Nf3 Bb7+=) 6...a5 7.g3 (7.Nf3 f6+=) 7...c6 (7...Bb7!? 8.f3 Nf6–/+) 8.Nf3 Bd6 (8...d6 9.Nd5 Nd5 10.Qc6 Bd7 11.Qd5+=) 9.Bg2 Nf6 10.–0 0–0 11.d4 ed4 12.Nd4 Be5 13.e3 (13.Rfd1!?+=) 13...Bd4–/+ 14.ed4 Nd3?? (better is 14...Ba6–/+) 15.Ba3+/– Re8 16.Rad1 Nb4 17.Bb4 Bb7? (better is 17...ab4 18.Qa8 bc3+–) 18.Ba3 d5 19.cd5 cd5 20.Bc5 h6 (20...Ne4 21.Rc1+–) 21.Rfe1 Re1 22.Re1 Nh7 (22...Qc8 23.Qb3 Bc6 24.Bd5 Nd5 25.Nd5 Bd5 26.Qd5+–) 23.Nd5! Bd5 24.Bd5 Qd5 25.Re8 Re8 26.Qe8 Nf8 27.Qf8 Kh7 28.Qd6 Qd6 29.Bd6 Kg6 30.Ba3 Kf6 31.f3 Ke6 32.Kf2 Kd5 33.Ke3 g6 34.Kd3 a4 (34...h5 35.Kc3+–) 35.Bc5 f5 36.Kc3 g5 37.Kb4 h5 38.Ka4 Kc4 39.Ka3 Kb5 (39...g4 40.f4+–) 40.Kb3 Kc6 41.Kc4 f4 42.gf4 gf4 43.d5 Kd7 44.Kd4 h4 45.Ke4 (45.Ke4 Ke8 46.Kf4+–) 1–0. stampyshortlegs – 19larry, ChessWorld.net, 2014.

4.Qa4 Nc6 5.b5 Nd4 6.Bb2 Bd6 7.Bd4 ed4= 8.Nf3 Bc5 9.d3 Bb7 10.Nbd2 a6 11.Rb1 Bb6 12.g3 ab5 13.Qb5 Ra5 14.Qb4 Qa8 15.Bg2 Ne7 16.0–0 Nc6 17.Qb2 Ra2 18.Qc1 0–0=+ 19.Ra1 Ra1 20.Qa1 Re8 21.Qa8 Ra8 22.Rb1 d6 23.Ne4 Ra6 24.Ne1 Nd8 25.Bf3 f5 26.Ng5 Ra2 27.Bb7 Nb7 28.Kf1 h6 29.Ne6 Na5 30.Nf4= Nc6 31.Nd5 Ba5 32.Ng2 g5 33.h4 Kf7 34.hg5 hg5 35.f4 gf4 36.Ngf4 Nd8=+ 37.Ng2 c6 38.Ndf4 Kf6 39.Kf2 Nf7 40.Rb7 Ne5 41.Rb1 Bc3 42.Rd1 Ng4 ½–½. Pommerel,Wim – Kellerer, CiF, 1989.

4.Ra4 d5 5.e3 =.

3.c4 e6

4.Qa4 Bb7 5.Bb2 Nf6 6.Nf3 (6.c5 Be7=) 6...a6 (6...Nc6 7.b5 Nb4 8.Qb3=) 7.e3 (7.c5 Be7=) 7...Bc6 8.b5 (8.Qb3!?=) 8...ab5–/+ 9.Qb3 (9.Qd1 Ra1 10.Ba1 b4–/+) 9...Ra1 10.Ba1 bc4 (10...Bf3 11.gf3 bc4 12.Bc4–/+) 11.Bc4 Bf3 12.gf3 (12.Bf6 gf6 13.gf3 d5 14.Bb5 c6–/+) 12...Nc6 (better is 12...Be7–/+) 13.d4? (better is 13.Bb5!?–/+) 13...Na5–+ 14.Qa4 Nc4 15.Qc4 Qa8 16.Bc3 Qf3 17.Rg1 (17.Rf1 Nd5–+) 17...Ng4 Threatening mate: Qxf2 18.Qe2 Nh2 19.Nd2 (19.Qb2 Ng4–+) 19...Qc6 20.Bb2 (20.Ba5–+) 20...Bb4 21.Rg3 Qh1 (21...Qh1 22.Rg1 Qg1 23.Qf1 Qf1#) 0–1. alaamattar (2245) – pcmvr (2775), net–chess.com, 2008.

4.Qa4 Bb7 5.Nf3 a6 6.Bb2 Nf6 7.c5 Be7 8.d4 h6 9.e3 0–0 10.Nc3 1–0. Woelfelschneider,Peter – Neumann, THT8, 2001.

4.Ra4 Nc6 5.b5 Nd4.

4.Bb2 Bb4 5.Bg7 Bd2 6.Nd2 +–.

4.Bb2 Nf6 5.Qa4 Nc6 6.b5 Nb4 7.Nf3 Bb7 8.e3 Be7 9.d4 c5 10.Be2 0–0 11.0–0 Be4 12.Ne1 a6= 13.Qb3 d5 14.ba6 Ra6 15.Ra6 Na6 16.Nd2 Qc7 17.Ne4 Ne4 18.Nf3 Rb8=+ 19.Qc2 Nb4 20.Qc1 Qb7 21.Ba3 Na2 22.Qc2 Qb3 23.Qb3= Rb3 24.Bc5 Nc5 25.dc5 Rb2 26.c6–+ Bd6?? 27.Bd3 Nb4=+ 28.c5 Bc7 29.Bb5= Na2 30.Ba6 Rc2 31.Ra1 e5 32.g3 Rc1 33.Rc1 Nc1 34.Nd2 Kf8 35.Kf1 Ke7 36.e4 d4 37.Bc4 f6 38.Ke1 d3? 39.Nb3 Nb3= 40.Bb3 Ba5 41.Kd1 ½–½. Dumontelle,Joe – Knechtel,Tim, North Bay op, 1989.

3.e4 Nf6

4.Nc3 e5 5.Ra4 Nc6 6.b5 Nd4 7.Nf3 Nf3 8.Qf3 Bc5 9.Qg3 Qf6 10.Bc4 Ne7 11.d3 0–0 12.0–0 Rfb8 13.Be3 Bb6 14.Bg5 Qd6 15.Qg4 h6 16.Bc1 Rd8 17.Be3 Rf8 18.Qf3 Qg6 19.Qh3 Qd6 20.Rfa1 Rfb8 21.R1a3 Be3 22.fe3 Rd8 23.Ra7 Ra7 24.Ra7 Qb6 25.Ra1 Qd6 26.Rf1 Rf8 27.Qh5 Ng6 28.Qf5 Nh8 29.Qf3 Qc5 30.Ne2 Kh7 31.Ng3 f6 32.Nf5 Ng6 33.Kh1 Nh8 34.Qg4 g6 35.Ng3 Bc8 36.Qe2 Bb7 37.c3 Qe7 38.Qf2 Qa3 39.Ne2 f5 40.Ng3 Qc3 41.Qe2 d5 42.ed5 Nf7 43.h4 Nd6 44.h5 gh5 45.Ne4 Ne4 46.de4 f4 47.ef4 Rf4 48.Rf4 ef4 49.e5 Kg7 50.e6 Bc8 51.e7 Bd7 52.d6 cd6 53.b6 Be8 54.b7 Qb4 55.Qe4 Qb7 56.Qb7 Kf6 57.Qc8 d5 58.Qe8 dc4 59.Qf8 Ke5 60.e8Q Kd4 61.Qf6 Kd3 62.Qe1 f3 63.Qfc3 1–0. COMP – COMP, 2002.

4.Nc3 e5 5.Ra4 Nc6 6.b5 Nd4 7.Nf3 Nf3 8.Qf3 Bc5 9.Qg3 Qf6 10.Nd5 Bd5 11.ed5 Ne7 12.Bb2 Nd5 13.Qe5 Qe5 14.Be5 0–0 15.Bg3 Rfe8 16.Kd1 Re7 17.Be2 Rae8 18.Bf3 Nf6 19.c3 Bb6 20.Kc2 h5 21.Bh4 Kh7 22.Bf6 gf6 23.Bh5 Kh6 24.Bf3 Re5 25.Rb1 R5e7 26.d4 f5 27.Kd3 Re6 28.h4 R8e7 29.h5 Kg5 30.Rh1 Rh6 31.c4 Rd6 32.c5 Bc5 33.h6 Re8 34.h7 Rh8 35.Rc4 Bb6 36.Rh5 Kg6 37.Rh3 Rh7 38.Bb7 Rh3 39.gh3 Kg5 40.Bg2 Rg6 41.Ke2 Re6 42.Kf1 Re7 43.Ra4 f6 44.d5 Kh6 45.h4 Re8 46.Bf3 Kg6 47.h5 Kg5 48.Ra3 Re7 49.Be2 f4 50.Bf3 f5 51.Ra1 Rh7 52.Re1 Rg7 53.Re8 Rf7 54.Ke1 Kf6 55.Ke2 Rg7 56.Kf1 Kg5 57.Ke1 Rh7 58.Rg8 Kf6 59.Ke2 Ke5 60.Rg5 Re7 61.Kf1 Bc5 62.Rg8 Kd4 63.Rc8 Bb6 64.Rf8 Ke5 65.Bg2 Bc5 66.Rh8 Kf6 67.Rc8 Bd6 68.Bf3 Kg7 69.Kg2 Be5 70.Ra8 Bd4 71.Kf1 Bc5 72.Rd8 Bb6 73.Rc8 d6 74.Ra8 Re5 75.Rd8 Ba5 76.Rd7 Kh6 77.Rf7 Re1 78.Kg2 Rb1 79.Be2 Kg5 80.Bd3 Rb3 81.Rf5 Kg4 82.f3 Kh4 83.Rf4 Kh5 84.Bc4 Re3 85.Rg4 Re5 86.Rg8 Rg5 87.Rg5 Kg5 88.Bd3 Kf4 89.Kf2 Bb6 90.Ke2 Kg5 91.Be4 Kf4 92.Kd3 Bf2 93.Kc3 Bc5 94.Kb3 Be3 95.Kc4 Ke5 96.Kd3 Bf4 97.Kc3 Bg5 98.Kb4 Kd4 99.Ka5 Bd2 100.Ka6 Bf4 101.Ka7 Kc4 102.Kb8 Kb5 103.Kc7 Kc4 104.Kd7 Kd4 105.Ke6 Be5 106.Kf5 Bg3 107.Kg4 Bh2 108.Kg5 Ke5 109.Kg6 Bg3 110.Kf7 Bh2 111.Ke7 Bf4 112.Ke8 Kf6 113.Kd7 Ke5 114.Kc6 Be3 115.Kb5 Bf4 116.Kc4 Be3 117.Bd3 Bf4 118.Bg6 Bg5 119.Bc2 Bf4 120.Bh7 Be3 121.Kd3 Bf4 122.Bg8 Bg5 123.Be6 Bf4 124.Ke2 Kd4 125.Kf2 Ke5 126.Ke1 Kd4 127.Ke2 Kc4 128.Bf7 Kd4 129.Kf2 Ke5 130.Ke1 Kf6 131.Be6 Ke7 132.Ke2 Kf6 133.Bd7 Ke7 134.Bc6 Kf7 135.Kd3 Kf6 136.Ke4 Kg5 137.Bb7 Be5 138.Ba8 Bf4 139.Bc6 Be5 140.Bb5 Bf4 141.Bd3 Be5 142.Ke3 Bf4 143.Kd4 Kf6 144.Ke4 Kg5 145.Bb5 Be5 146.Bd7 Bf4 147.Bf5 Be5 148.Be6 Bf4 149.Bf7 Be5 150.Bg8 Bf4 151.Bh7 Be5 152.Bf5 Bh2 153.Bc8 ½–½. COMP – COMP, 2002.

4.Nc3 e5 5.Ra4 Nc6 6.b5 Nd4 7.Nf3 Nf3 8.Qf3 Bc5 9.Qg3 Qf6 10.Nd5 Bd5 11.ed5 Ne7 12.Bb2 Nd5 13.Qe5 Qe5 14.Be5 0–0 15.Bg3 Rfe8 16.Kd1 Re7 17.Be2 Rae8 18.Bf3 Nf6 19.c3 Bb6 20.d4 Ne4 21.Kc2 Kf8 22.Re1 Ng3 23.Re7 Ke7 24.fg3 Kd6 25.Kd3 c6 26.c4 c5 27.d5 Re1 28.Be4 g6 29.Bf3 h5 30.g4 h4 31.h3 Ke5 32.Ra3 f5 33.gf5 gf5 34.Kd2 Rb1 35.Ke3 Rg1 36.Kf2 Rb1 37.Be2 Kf6 38.Kf3 Rb2 39.Bd3 Ke5 40.g3 hg3 41.Kg3 Rd2 42.Kf3 Rd1 43.Be2 Rh1 44.Kg2 Rc1 45.Re3 Kf4 46.Re7 d6 47.Re6 Rc2 48.Kf2 Bd8 49.Rd6 Bh4 50.Kf1 Kg3 51.Rg6 Kh2 52.Rg2 Kh1 53.Bd1 Rc4 54.Rg7 Rd4 55.Bf3 Kh2 56.Ke2 Rb4 57.Rf7 Rb5 58.Rf5 Kh3 59.d6 a5 60.Bc6 Rb2 61.Kd3 a4 62.Ba4 Rb4 63.Rc5 Ra4 64.Rd5 Bd8 65.Rd4 Ra1 66.Ke4 Kg4 67.Ke5 Kg5 68.Rd2 Re1 69.Kd5 Bf6 70.Kc6 Kf5 71.d7 Bd8 72.Kd6 Re6 73.Kc5 Re3 74.Kd5 Kf6 75.Kd6 Re6 76.Kc5 Bb6 77.Kc4 Ke7 78.Kb5 Kd8 79.Rd3 Bc7 80.Rd5 Bd6 81.Kc6 Be7 82.Kb7 Bb4 83.Rd3 Bc5 84.Rd5 Rb6 85.Ka8 Bd6 86.Ka7 Rc6 87.Kb7 Kd7 88.Rd1 Rc2 89.Kb6 Rb2 90.Ka5 Kc6 91.Rc1 Bc5 92.Ka4 Rb4 93.Ka5 Rb7 94.Ka4 Ra7 95.Kb3 Kb5 96.Rd1 Ra3 97.Kb2 Kb4 98.Rd8 Kc4 99.Rd7 Ra8 100.Rc7 Rg8 101.Kc1 Rg1 102.Kd2 Rg2 103.Ke1 Kd4 104.Rc8 Ke3 105.Kd1 Kd3 106.Re8 Rd2 107.Ke1 Bf2 108.Kf1 Be3 109.Rd8 Bd4 110.Re8 Rh2 111.Rf8 Re2 112.Rf3 Be3 113.Rf8 Bb6 114.Rf3 Kd2 115.Rd3 Kd3 ½–½. COMP – COMP, 2002.

4.Nc3 e5 5.Ra4 Nc6 6.b5 Nd4 7.Nf3 Nf3 8.Qf3 Bc5 9.Qg3 Qf6 10.Nd5 Bd5 11.ed5 Ne7 12.Bb2 Nd5 13.Qe5 Qe5 14.Be5 0–0 15.Bg3 Rfe8 16.Kd1 Re7 17.Be2 Rae8 18.Bf3 Nf6 19.Bh4 Rb8 20.Bf6 gf6 21.Rg4 Kf8 22.c4 a6 23.d4 Ba3 24.ba6 Rb1 25.Kd2 Rh1 26.a7 Re8 27.a8Q Ra8 28.Ba8 Rh2 29.Bf3 c5 30.Rf4 Ke7 31.Kd3 Rh1 32.d5 Bb2 33.g3 Rc1 34.Kd2 Ra1 35.Rh4 h6 36.Be4 Bc1 37.Kd3 Ra3 38.Ke2 Ra2 39.Kf3 Bg5 40.Rh1 Ra4 41.Bd3 f5 42.Re1 Kf6 43.Kg2 Ra3 44.Bb1 f4 45.g4 Bh4 46.Rc1 f3 47.Kf1 Kg5 48.Re1 Rb3 49.Kg1 Rb2 50.Re5 f5 51.Rf5 Kg4 52.Be4 Rf2 53.d6 Rd2 54.Rf3 Rd4 55.Bb7 Rd6 56.Rf7 Rd1 57.Kg2 Rd2 58.Kf1 d6 59.Bf3 Kh3 60.Bd5 Ra2 61.Be6 Kh2 62.Bd5 Rb2 63.Rf5 Kh3 64.Rh5 Rf2 65.Kg1 Re2 66.Rf5 Ra2 67.Kf1 Ra1 68.Ke2 Kg4 69.Rf8 Re1 70.Kd2 Re5 71.Kd3 Bg5 72.Bf3 Kh3 73.Rf7 Re3 74.Kc2 Kg3 75.Bd5 h5 76.Rg7 Kf4 77.Rg6 h4 78.Rd6 h3 79.Re6 Ra3 80.Kb2 Rg3 81.Rc6 h2 82.Rc5 Rd3 83.Bc6 Re3 84.Kc2 Re4 85.Be4 Ke4 86.Rg5 h1Q 87.Rd5 Qf3 88.Rd2 Qa3 89.Re2 Kd4 90.Rd2 Kc4 91.Rd8 Qa6 92.Rd2 Qa4 93.Kb2 Qb3 94.Kc1 Qe3 95.Kc2 Qe4 96.Kb2 Kb4 97.Rc2 Qd4 98.Ka2 Qe5 99.Rd2 Kc3 100.Rb2 Qa5 101.Kb1 Qa4 102.Kc1 Qa3 103.Kd1 Qb2 104.Ke1 Qg2 105.Kd1 Qd2 0–1. COMP – COMP, 2002.

4.Nc3 e5 5.Ra4 Nc6 6.b5 Nd4 7.Nf3 Nf3 8.Qf3 Bc5 9.Qg3 Qf6 10.Nd5 Bd5 11.ed5 Ne7 12.Bb2 Nd5 13.Qe5 Qe5 14.Be5 0–0 15.Bg3 Rfe8 16.Kd1 Re7 17.Be2 Rae8 18.Bf3 Nf6 19.Bh4 Rb8 20.Bf6 gf6 21.Rg4 Kf8 22.c4 a6 23.d4 Ba3 24.ba6 Rb1 25.Kd2 Rh1 26.a7 Re8 27.a8Q Ra8 28.Ba8 Rh2 29.Bf3 c5 30.Rf4 Ke7 31.Kd3 Rh1 32.Re4 Kd6 33.Rg4 Rc1 34.Rh4 Bb2 35.dc5 Kc5 36.Bd5 h6 37.Rh6 Rc3 38.Kd2 Bc1 39.Kc3 Bh6 40.g3 Bc1 41.Bf7 Ba3 42.Kd3 Kd6 43.Ke4 Bb4 44.f4 Ke7 45.Bd5 Kf8 46.Kf5 Kg7 47.g4 Bc5 48.Be4 Kf7 49.g5 fg5 50.Bd5 Kg7 51.fg5 Bg1 52.Be4 Bc5 53.Ke5 Be3 54.g6 Bc5 55.Kd5 d6 56.Ke6 Ba3 57.Kd7 Bc5 58.Kc6 Kf6 59.Bf5 Ba3 60.Bb1 Ke6 61.Be4 Bb2 62.Bd5 Ke7 63.Bg2 Ke6 64.Bf3 Be5 65.Bd5 Kf6 66.Bf7 Bg3 67.Kd7 Bf4 68.Ke8 Bh6 69.Kd8 Be3 70.Be8 Bf4 71.Kd7 Bg3 72.Kc6 Bf4 73.Kd5 Be5 74.Bf7 Bh2 75.c5 dc5 76.Kc5 Be5 77.Kc6 Ke7 78.Kd5 Bh8 79.Ke4 Kf6 80.Kd4 Bg7 81.Kd5 Ke7 82.Kc5 Bf8 83.Kd4 Bg7 84.Kc4 Kd6 85.Kd3 Ke7 86.Bd5 Kf6 87.Be4 Ke5 88.Ke3 Bh6 89.Kf3 Bf8 90.Bd3 Bh6 91.Kg4 Kf6 92.Kh5 Bg7 93.Bc4 Bf8 94.Bb5 Bd6 95.Kh6 Bf8 96.Kh7 Bg7 97.Bd3 Bf8 98.Kg8 Bh6 99.Bb1 Ke7 100.Kh7 Bf8 101.Bc2 Kf6 102.Kg8 Bg7 103.Bb1 Bh6 104.Kh7 Bg7 105.Be4 Bf8 106.Bc6 Ke6 107.Bb5 Kf6 108.Bc4 Bg7 109.Bb3 Bf8 110.Bf7 Bg7 111.Bd5 Bf8 112.Bf3 Ke5 113.Bh1 Kf6 114.Bg2 Ke6 115.Bh3 Kf6 116.Bc8 Ke5 117.Bb7 Ke6 118.Ba6 Kf6 119.Be2 Ke6 120.Bc4 Kf6 121.Bg8 Ke5 122.Bf7 Kf5 123.Kg8 Bh6 124.Be8 Kf6 125.Kh7 Bf8 126.Ba4 ½–½. COMP – COMP, 2002.

4.Nc3 e5 5.Ra4 Nc6 6.b5 Nd4 7.Nf3 Nf3 8.Qf3 Bc5 9.Qg3 Qf6 10.Nd5 Bd5 11.ed5 Ne7 12.Bb2 Nd5 13.Qe5 Qe5 14.Be5 0–0 15.Bg3 Rfe8 16.Kd1 Re7 17.Be2 Rae8 18.Bf3 Nf6 19.Bh4 Rb8 20.Bf6 gf6 21.Rg4 Kf8 22.c4 a6 23.d4 Ba3 24.ba6 Rb1 25.Kd2 Rh1 26.a7 Re8 27.a8Q Ra8 28.Ba8 Rh2 29.Bf3 c5 30.Rf4 Ke7 31.Kd3 Rh1 32.Re4 Kd6 33.Rg4 Rc1 34.Rh4 Bb2 35.dc5 Kc5 36.Bd5 h6 37.Rh6 Rc3 38.Kd2 Bc1 39.Kc3 Bh6 40.g3 Bc1 41.Bf7 Ba3 42.Kd3 Kd6 43.Ke4 Bb4 44.g4 Ba5 45.f4 Bd8 46.Bd5 Kc5 47.Kf5 Kd4 48.g5 fg5 49.fg5 Bc7 50.Kg6 Bf4 51.Kf6 Kc5 52.g6 Kd6 53.g7 Be5 54.Kf7 Bg7 55.Kg7 Ke7 56.c5 Kd8 57.Kf7 Kc7 58.Ke7 Kc8 59.Bb7 Kb7 1–0. COMP – COMP, 2002.

3.e4 e5

4.Ra4 c6 5.Bb2 Nf6 6.Be5 Ne4 7.Qe2 d5 8.d3 Nf6?? 9.Bf6+– Be7 10.Bg7 Rg8 11.Bf6 Be6 12.Be7 Qe7 13.Nf3 Bg4 14.Nbd2 Nd7 15.Qe7 Ke7 16.d4 Nb6 17.Ra5 Bd7 18.h3 Kd6 19.g4 Rge8 20.Kd1 Re6 21.g5 (21...f5 22.Bd3+–) 1–0. Taulien,Hans_Juergen (2225) – Tiedemann,Joern (1810), remoteschach.de, 2004.

4.Ra4 Nf6 5.Nf3 Bd6 6.Bc4 Bb7 7.d3 0–0 8.0–0 c5 9.bc5 Bc5 10.Ne5 d5 11.Bb3 de4 12.de4 Qe7 13.Nd3 Ne4 14.Re1 Bd6 15.Bb2 Kh8 16.Nd2 f5 17.Qh5 Bc6 18.Ra5 Nf6 19.Re7 Nh5 20.Rea7 Ra7 21.Ra7 Nd7 22.Be6 Rd8 23.Nc4 Bb8 24.Ra6 Bb5 25.Nd6 Bd6 26.Rd6 Nhf6 27.Bf6 gf6 28.c4 Ra8 29.f4 Ra6 30.Ra6 1–0. marekt – mafergut, ChessWorld.net, 2003.

3.e4 Nf6

4.Nc3 Bb7 5.e5 Nd5 6.Nd5 Bd5 7.Ra4 e6.

4.e5 Nd5 5.c3 d6 6.d4 de5 7.de5 Bf5 8.Qa4 Qd7 9.Qd7 Nd7 10.Nf3 Bb1 11.Rb1 Nc3 12.Rb3 Nd5 13.e6 fe6 14.Bb2 (14.Bd2 Rb8=+) 14...e5 (14...Rb8 15.b5=+) 15.Ne5 Ne5 16.Be5 e6 17.b5 Bb4 18.Kd1 0–0 19.f3 Rfd8 20.Bd3 Bd6 21.Bd6 Rd6 22.Kd2 c6 23.bc6 Rc6 24.Ra1 a5 25.Rba3 Rc5 26.Be4 Kf7 27.Kd3 e5 28.g3 h5 29.Bd5 (29.h4 Ra7–/+) 29...Rd5 30.Ke4 Ke6 31.Ra4 Ra6 32.h4 Rc5 ½–½. Mystra – marekt, ChessWorld.net, 2003.

3.Nf3 Bb7

4.Ra4 Nc6 5.b5 Nb8 6.e3 (6.e4 e6 (6...a6 7.Nc3 e6+= 8.Bb2 Nf6 9.e5 Ng8 10.Be2 ab5 11.Ra8 Ba8+=) 7.Be2 a6 8.ba6 Bc6 9.Ra1 Be4 10.Bc4 Qc8 11.Qe2 Bf3=; 6.Nc3 a6 (6...e6 7.e4 a6 8.Bb2 Nf6 9.e5 Ng8 10.Be2 ab5 11.Ra8 Ba8+=) 7.e4 e6 8.Bb2 Nf6 9.e5 Ng8 10.Be2 ab5 11.Ra8 Ba8+=) 6...Nf6 (6...a6 7.Bb2 Nf6 8.Bc4 e6 9.0–0 Be7 10.Nc3 ab5 11.Ra8 Ba8+=; 6...e6 7.Ba3 Ba3 8.Na3 Nf6 9.Bc4 a6 10.0–0 0–0 11.Qe2 ab5=) 7.Bb2 g6 (7...a6 8.Bd3+= (8.Be2 e6 9.0–0 Be7 10.Nc3 ab5 11.Ra8 Ba8+=) 8...e6 9.0–0 Be7 10.Nc3 ab5 11.Ra8 Ba8+=) 8.Nc3 Bg7 9.Qa1 a6 (9...Bf3 10.gf3 d5 (10...c6 11.Ra7 Ra7 12.Qa7 cb5 13.Bb5+/–) 11.Ra7 Ra7+=) 10.ba6+/– Ra6?? (better is 10...Bc6 11.a7 (11.Ra3 Bf3 12.gf3 Nc6+/–) 11...Ba4+=) 11.Ba6+– Bf3 (11...Na6 12.Ra6 Ba6 13.Qa6 0–0+–) 12.gf3 c6 13.Bd3 0–0 14.Ra8 Qc7 (14...d5 15.Na4+–) 15.Ke2 (better is 15.Ne4+–) 15...Nd5 (15...d5+–) 16.Nd5 Bb2 (16...cd5 17.Bg7 Rc8 18.Bh6+–) 17.Ne7 Kg7 18.Qb2 f6 19.Rg1 Rf7 (19...Kf7 20.Bg6! Ke7 21.Bh7 c5 22.Rg7 Rf7 23.Rf7 Kf7 24.Rb8 Kg7+–) 20.Nf5 Kf8 21.Rb8 (21.Rb8 Qb8 22.Qb8#; 21.Qb8 Qb8 22.Rb8#) 1–0. pierre – Rudolf, internet, 2008.

4.Ra4 Nc6 5.e4 e6 A) 6.Ba3 a5 (6...Be7 7.d4 Nb8 8.Bd3 Nf6 9.Nbd2 d5 10.e5 Ne4 11.Qa1 Qd7+/–) 7.b5 Nce7 8.Bd3 Nf6 9.Nc3 d6 10.0–0 Nd7 11.Be2 Ng6+=; B) 6.c3 a5 (6...Nf6 7.d3 Be7 8.Be2 0–0 9.0–0 a6 10.Bf4 d6 11.Nbd2 e5+=) 7.b5 Nce7 8.Be2 Nc8 9.d3 Nb6 10.Ra1 d5 11.e5 Qd7+=; C) 6.b5 Nb8 7.Nc3 a6 8.Bb2 Nf6 9.e5 Ng8 10.Be2 ab5 11.Ra8 Ba8+=.

4.Ra4 Nc6 5.e4 Nf6 6.b5 Nb8 7.Nc3 a6 8.e5 Nd5 9.Nd5 Bd5 10.ba6 Bb7 11.e6 Na6 +–.

4.Ra4 Bf3 5.ef3 Nc6 6.b5 Ne5?? (Better is 6...Nb8–/+) 7.f4+– Ng6 8.f5 a6 (8...e6 9.fg6 hg6 10.d4+–) 9.fg6 hg6 10.ba6 Qb8 11.Nc3 c6 12.h3 e5 13.Qe2 Bd6 14.d4 Ne7 15.Ne4 Bc7 16.Ba3 Qb1 17.Qd1 Qa2 18.Bc4 Qa3 19.Bf7! Kf7 20.Ra3 d5 21.Ng5 Kf6 22.Nf3 e4 23.Nd2 Nf5 24.c4 Nd4 25.Ne4! Ke5 26.f4! Ke4 27.Qd3 Kf4 28.Qe3 Kf5 29.Rf1 Nf3 30.Rf3 Bf4 31.Rf4 Kg5 32.Qe5 Kh6 33.Rh4 1–0. b4_player (1925) – salvati (1930), GameColony.com, 2002.

4.c3 e6 5.d3 Nf6 6.e4 c5 7.e5 (worse is 7.Ra4 cb4 8.e5 Nd5–/+) 7...Nd5 8.bc5 Bc5 9.Qa4 0–0 10.d4 Be7 11.Bd3 Nc6 12.0–0 d6 13.Rd1 de5 (13...Qc7 14.Bg5=) 14.de5+= Qc7 15.Qe4 g6 16.Qe1 Rfd8 17.Na3 a6 18.Nc4 Nb6 (18...f6 19.ef6 Bf6 20.Bg5+=) 19.Nb6 Qb6 20.Be3 Qc7 21.Ng5?? (better is 21.Rab1 Rdb8 22.Bb6+=) 21...Ne5–/+ 22.Qe2 (22.Be4!?–/+) 22...Nd3–+ 23.Rd3 Qc6 (23...Qc6 24.Rd8 Rd8–+) 0–1. Reliquiante – Fournier,Frederic (1835), Active, 2007.

4.c3 Bf3 5.ef3 e6 6.d4 Nf6 7.Bd3 Be7 8.0–0 d6 9.Bg5 0–0 10.Qc2 Nd5 (10...Nbd7!?+=) 11.Be7+/– Qe7 12.Bh7 Kh8 13.Be4 Nf6?? (better is 13...c6+/–) 14.Ba8+– Nbd7 15.Bc6 Nb6 16.c4 d5 (16...Rb8 17.Re1+–) 17.c5 Nc4 18.Ra4 Rb8 19.b5 1–0. bulent_2010 – retiponziani, ChessWorld.net, 2012.

4.Nc3 a5 5.b5 c6 6.e4 cb5 7.Bb5 Ba6 8.0–0 Bb5 9.Nb5 Qb6 10.c4 Nf6 11.d3 d6 12.Qa4 Nc6?? (12...Nbd7+–) 13.Rb1 Nb4 (13...Qd8 14.Nfd4 Nd7 15.Nc6 Nc5 16.Nd8 Na4 17.Nc7 Kd8 18.Na8 Nc5+–) 14.Nc7 (14…Kd8 15.Na8+–) 1–0. kamret (2185) – p.i.sumi, GameColony.com, 2003.

4.Nc3 e6 5.Ra4 Nf6 6.Bb2 (--> 2.Bb2 Nf6 3.a4 ba4 4.Nf3 e6 5.Ra4 Bb7 6.Nc3).

4.Nc3 e6 5.b5 a3 6.Ba3 Ba3 7.Ra3 Nf6 8.Qa1 a6 (8...d6!?+/–) 9.e3+– Bf3 10.gf3 a5 11.Rg1 g6?? (better is 11...Rg8+–) 12.Ne4 d5 (12...d6 13.Nf6 Ke7 14.b6 cb6 15.Bb5+–) 13.Nf6 Kf8 14.Nd5! Qd5 (14...Qd5 15.Qh8 Double attack (15.Qh8 Discovered attack); 14...ed5 15.Qh8 Double attack (15.Qh8 Discovered attack)) 15.Rd3 Qf3 (15...Rg8 16.Rd5 ed5 17.Qa3 Ke8+–) 16.Qh8 (16.Qh8 Ke7 17.Qd8#) 1–0. Janek – Junette, internet, 2016.

4.Nc3 Bf3 5.ef3 Nf6 6.Ra4 e6 7.Be2 d5 8.0–0 Qd7 9.b5 d4 10.Ne4 Nd5 11.Rd4+/– Bc5?? 12.Nc5+– (12...Qc8 13.Bb2+–) 1–0. pierre – jan fagap, internet, 2009.

4.e3 e6 5.Ra4 Nf6 6.Bb2 Nd5 7.b5 c5 8.c4 Nb4 9.d3 a6 10.Nc3 ab5 11.Ra8 Ba8 12.Nb5 Bf3 13.Qf3 Qa5 14.Nc3 Na2 15.Qd1?? Nc3 16.Qd2 Qb4 17.Bc3 Qb1 18.Qd1 Qd1 19.Kd1 f6 20.Be2 Be7 21.Bh5 g6 22.Bf3 0–0 23.Ke2 Na6 24.Rb1 Rb8 25.Ra1 Rb6 26.Ra5 d6 27.Rb5 Rb8 28.Ba5 Kg7 29.g3 f5 30.Bc6 Rb5 31.cb5 Nb8 32.Bb7 d5 33.Bc8 Bd6 34.Be6 d4 35.ed4 cd4 36.Bb6 Kf6 37.Bc4 Kg5? 38.Bd4 Kg4 39.Bg8 h6 40.Bf7 g5 41.Be6 h5 42.Bf6 Kh3 43.Bg5 Kh2 44.Bf5 Kg2 45.d4 Bc7 46.Ke3 Bd6 47.Bf6 Bc7 48.Be5 (48...h4 49.Bc7+–) 1–0. Pommerel,Wim – Cane, CiF, 1990.

4.Ra4 Bc6

5.Ra5 Bb7 6.Bb2 e6 7.Bc3 Nf6 =.

5.Ra5 e6 6.b5 Bb4 7.Ra4 Bd2? (better is 7...Bf3 8.Rb4 Bh5+=) 8.Nbd2 Bb5 9.Rg4 Qf6 10.Rb4 (10.Rb4 Bc6 11.Bb2+–) 1–0. b4_player – valentino, internet, 2013.

4.Ra4 e6

5.e3 a6 6.Bb2 Bc6 (6...Nf6 7.Nc3=) 7.b5+= ab5 8.Ra8 Ba8 9.Bb5 Nf6 10.0–0 Nc6 11.Nc3 Be7 12.e4 0–0 13.Re1 e5 (Better is 13...Qb8!? 14.Ba1 Qa7=) 14.Bc6–/+ Bc6 15.Ne5 Bb7 16.d3 Re8 17.Qf3 Bb4 18.Ng4 Ng4 19.Qg4 f6 20.Rb1 d5 (20...c5!?–/+) 21.Nd5+– Bd5 22.ed5 Qd5?? (Better is 22...Bf8+–) 23.Qb4 (23...Qa2 24.Ra1+–) 1–0. lucya (2115) – NJFun (2125), GameColony.com, 2002.

5.e3 Bc6 6.b5 Bd5 7.Bb2 f6 8.Nc3 Ne7 9.e4 Bb7 10.Qa1 Ng6 (10...Nc8!?+=) 11.Ra7+/– Ra7 12.Qa7 Qc8 13.Bc4 d5 (13...c6 14.0–0+/–) 14.ed5+– ed5? (14...Nf4 15.Qd4 Bd6 16.0–0+–) 15.Qe3 Be7 16.Nd5 Bd5 17.Bd5 Qf5 18.Qe4 Qe4 19.Be4 0–0 20.Kd1 Nd7 21.Re1 Nf4 22.g3 Nh3 23.Bd5 1–0. b4_player (2235) – NN, GameColony.com, 2003.

5.e3 Nc6 6.b5 Nce7 (6...Nb8 7.Bb2 (7.Ba3 Ba3 8.Na3 Nf6 9.Bc4+= 0.28; 7.Nc3 a6 8.e4 ab5 9.Ra8+= 0.28) 7...a6 8.Bd3 Nf6 9.0–0+= 0.31; 6...Nb4 7.Ba3 (7.Be2 a5 8.Bb2 Nf6 9.0–0+= 0.41; 7.Bb2 Nf6 8.Be2 a5 9.0–0+= 0.34) 7...Bf3 8.gf3 Nd5 9.Bf8+= 0.56) 7.Nc3 (7.Bb2 c6 8.Nc3 Nf6 9.Be2+= 0.44; 7.d4 c6 8.c4 cb5 9.cb5+= 0.47) 7...g6 (7...c6 8.Bb2 Nf6 9.Be2+= 0.44) 8.Bb2 Bg7 9.Qa1 (9.Be2+/– 0.88) 9...Qb8 10.Ne4 Bb2 11.Qb2 f6 12.Nc5 Bc6 (12...Bf3!? 13.gf3 a5+=) 13.Ng5! e5 14.bc6+– Nc6 15.Bb5 Nge7 16.Nge4 Kf7 17.Nd7 Qb7 18.Bc4 Kg7 19.Qb7 1–0. marekt – Aaron_boone, internet, 2013.

5.e3 d5 6.Bb5 c6 7.Bd3 Nd7 8.Ba3 Nb6 9.Ra5 Bd6 10.0–0 e5 11.Bb2 (11.Be2 Qc7=) 11...f6 12.Nh4 e4 13.Qh5 Kf8 14.Be2 Bb4 15.Ba3 Ba3 16.Ra3 Qe8 17.Qe8 Ke8 18.Nf5 Kf8 19.Nc3 g6 (19...Bc8!? 20.Nd4 Bd7=) 20.Nd6+= Bc8 21.Rb1 Ke7 22.Nde4 Nd7 (22...de4 23.Rb6 Decoy) 23.Ng3 Nb8 24.Bf3 Nh6?? (better is 24...Ke6+/–) 25.Nd5!+– cd5 (25...Kd6 26.Nb6! ab6 27.Ra8+–) 26.Bd5 1–0. marekt – Duke of Wellington, ChessWorld.net, 2015.

5.e3 f5 6.Be2 Nf6 7.0–0 Be7 8.Bb2 0–0 9.c4 a6 10.Qb3 Nc6 11.Nc3 a5 12.b5 Nb4 13.Nd4 Bc5 14.Raa1 (14.Rfa1 c6+=) 14...Ne4= 15.Ne4 fe4 16.f4 Rf6 17.Bc3 Rh6 18.h3 Qh4 19.Bb4 Exerts pressure on the isolated pawn 19...Qg3 (better is 19...Bb4!? 20.c5 Bd5= (20...Bd2 21.c6 dc6 22.bc6 Bc6 23.Nc6=)) 20.Bc5+/– Rh3 Threatening mate... how? 21.Nf3 (21.Bg4 Qh2 22.Kf2 Qg3 23.Ke2 Qg4 24.Ke1 Qg2=) 21...ef3= 22.Rf3 Qh2 23.Kf2 Rf3 24.Bf3 Bf3 25.Kf3 Qh5 26.g4 Qc5 27.d4 Qe7 28.Kg3 g5 29.c5 Qg7 30.Qd3 h5 31.f5 Qf7 32.Rf1 Qh7 Black plans h4 33.Qe4+/– White intends c6 33...Rf8 34.c6 h4 35.Kh3 dc6 36.Qe6+– Qf7 37.Qc6 Qe7 38.Qg6 Qg7 39.Qe6 Qf7 40.Rc1 (40.Rc1 Qe6 41.fe6 Rf3 42.Kg2 Re3 43.d5 (worse is 43.Rc7 Re6 44.Rc5 Re2 45.Kf3 Rb2+/–) 43...Rg3 44.Kf2 Rg4 45.Rc7 Rf4 46.Ke3+–) 1–0. Woelfelschneider,Peter – Majrecki, 2009.

5.e3 Nf6 6.c3 Be7 7.d4 0–0 8.Bd3 d6 9.Nbd2 Nbd7 10.Ra1 Nb6 11.0–0 c5 12.bc5 dc5 13.Qc2 Qc7 14.Ba3 Rfe8 15.Ne5 Rac8 16.c4 h6 17.Bb2 Ba8 18.f4 Qb7 Threatening mate: Qxg2 19.Ndf3 Ne4 20.Rfd1 Red8 21.Ra5 Bd6 22.Ba3 f6 23.dc5+/– fe5 24.cd6 ef4 25.c5 Nd7? 26.Ba6+– Qc6 27.Nd4 Qd5 28.Ne6!! Qc6 29.Bb5 Qb7 30.Nd8 Rd8 31.c6 (31.c6 Qb6 32.c7+–) 1–0. Woelfelschneider,Peter – WRI, 2009.

4.Ra4 Nf6

5.Bb2 Nc6.

5.Bb2 Bf3 6.ef3 e6 7.Nc3 Nc6 (7...d5 8.Be2+=) 8.b5 Nb4 9.Ne4 a5 (9...c6!?+=) 10.ba6+/– Ra6?? (better is 10...Ne4 11.fe4 Qh4+/–) 11.Ba6+– (11…Ne4 12.fe4+–; < 11.Ra6 Ne4 12.fe4 Na6 13.Ba6 Qg5+–) 1–0. b4_player (2180) – salvati (1825), GameColony.com, 2002.

5.e3 Bc6 6.b5 Bd5 7.Nc3.

5.e3 Nd5 6.d4 =.

5.e3 g6 6.d4 Bg7 7.Bd3 0–0 8.0–0 c6 9.e4 d6 10.Be3 Re8 11.Nbd2 Nbd7 12.Qa1 e5 13.de5 Ne5 14.Ne5 de5 15.Ra7 Ra7 16.Qa7 Qc8 17.Nc4 c5 (better is 17...Re6+–) 18.Nd6 (18.Qc5 Ne4 19.Qc8 Rc8 20.Be4 Be4+–) 18...Qa8 (18...Qb8 19.Qb8 (19.Qc5?! Nd7 20.Qb5 Qd6 21.Qb7 Rb8+–) 19...Rb8 20.Bc5+–) 19.Qb7 Qb7 20.Nb7 cb4 21.Rb1 h5 (21...Bf8 22.Ra1+–) 22.Rb4 Ra8 23.f3 Bf8 24.Rb5 Kg7 (24...Rb8 25.c4+–) 25.Re5 Rb8 (25...Bb4 26.Rb5 Bc3 27.Nc5+–) 26.Rb5 Ra8 27.Kf2 Ne8 28.Rb6 Nc7 29.Bd4 Kg8 (29...Kh6 30.Bc4 Ra4 31.Rc6+–) 30.Bc4 Ne6 31.Be6 fe6 32.Re6 Ra7 (32...Kh7+–) 33.Ba7 Kf7 34.Nd8 (34...Kg7 35.Bd4 Kh7 36.f4+–) 1–0. kamret (2195) – NN, GameColony.com, 2003.

5.e3 e6

6.Bb2 Bc6 7.b5 Bb7 8.Nc3 Be7 9.Qa1 0–0 10.Be2 c6 (10...Bc5 11.0–0) 11.Ra7 Ra7 12.Qa7 Qc7 13.b6 Qc8 14.0–0 d5 15.Ra1 (15.Rb1 Nbd7) 15...Nbd7 (15...c5 16.Ne5+–) 16.Ba6 Ba6 17.Ra6 Bc5 18.Na4 Ne4 (18...Bd6 19.Bf6 Nf6 20.d4) 19.b7+– Qb8 (19...Qe8 20.Nc5 Ndc5 21.Rc6 Nb7 22.Qb7+–) 20.Qb8 Rb8 21.d3 (21.Nc5?! Nec5 22.Rc6 Rb7 23.Rc8 Nf8 24.Rc5 Rb2) 21...Nd6?? (21...Rb7 22.Ra8 Nf8 23.de4 Ba3 24.ed5 cd5+–) 22.Nc5 Nc5 23.Ra8 Nd7 24.Be5 (24...Nb7 25.Bb8+–) 1–0. MT – guest576, ICC, 2004.

6.Bb2 Nd5 7.Bc3 =.

6.d4 Nc6 7.b5 Nb4.

6.Bb2 Be7

7.Bc4 0–0 =.

7.Be2 0–0=

8.0–0 a6 9.c3 d5 10.Qc2 Nbd7 11.d4 Nb6 12.Ra5 Bd6 13.Nbd2 Qe7 14.Rfa1 1–0. pcmvr (2850) – ramoschessbrasil (2480), net–chess.com, 2011.

8.0–0 Nc6 9.b5 Nb8 10.Rh4 (10.Nc3!?) 10...Ne4 11.Rh3 Bf6 (11...a6 12.d3 Nf6 13.ba6 Na6 14.c4=) 12.d4 (12.Ba3 Be7=) 12...c5 (12...a6 13.Nc3=) 13.Ne5 (13.Nc3 a6=) 13...d6 14.Ng4 cd4 (14...a5 15.f3 Ng5 16.Rg3) 15.Nf6 Nf6 (15...Qf6 16.f3 Ng5 17.Rg3) 16.Qd4 Qb6?? (better is 16...e5 17.Qh4 a6) 17.Qf6!!+– (17...e5 18.Rg3+–) 1–0. Jonas,Vlastimil (2025) – Subrt,Petr (1770), Blitz, 2005.

8.0–0 d5 9.c3 Nbd7 10.d4 Nb6 11.Ra5 Ne4 12.Nbd2 Nd2 13.Nd2 Bd6 14.Qc2 f5 15.Rfa1 Rf6 (15...a6 16.g3+/–) 16.Ra7 Ra7 17.Ra7 Bc6 18.b5 Bh2 (18...Bd7 19.g3+/–) 19.Kf1 Qb8 20.Ra1 Be8 21.g3 c6 22.Kg2 Bg3 23.fg3 cb5 (23...Rg6!? 24.Nf1 cb5+/–) 24.Nf3+– Rg6 (better is 24...Nc4 25.Bc4 dc4+–) 25.Ne5 Rf6 26.Ba3 Qc7 (26...Nc4 27.Bc4 dc4 28.Kf1+–) 27.Bb4 Bc6 (27...Rh6+–) 28.Ba5 (28.Ba5 Qb7 29.Bb6 Qb6 30.Qb3+–) 1–0. pcmvr (2765) – croach (2325), net–chess.com, 2014.

8.0–0 d5 9.c4 dc4 10.Na3 Nd5 (10...Nbd7 11.Nc4 Nb6 12.Nb6 ab6 13.Ra8 Ba8 14.b5+=) 11.Nc4+= (worse is 11.Bc4 Nb6 12.Ra5 Nc6+=) 11...Bc6 12.Ra5 Bb4 13.Ra2 a5 (13...Bd7 14.Nce5+=) 14.Qa1 (better is 14.Qc2+/–) 14...Bb5? (better is 14...f6+=) 15.Bg7+– Re8 16.Qe5 f6?? (better is 16...Bf8 17.Bf8 Rf8+–) 17.Qg3 Kf7 (17...Qd7 18.Bf6 Kf8+–) 18.Nce5! Ke7 (18...fe5 19.Ne5 Double attack (19.Bb5 Discovered attack)) 19.Bf6! (19.Bf6 Nf6 20.Qg7 Kd6 21.Nf7 Kc5 22.Nd8+–) 1–0. marekt (2195) – zd3nik (1870), gameknot.com, 2014.

8.0–0 Nd5 9.Bc3 =.

8.Nc3 c5 9.b5 a6 =.

3.Nf3 d5

4.Ra4 Bd7 5.Ra1 e6 6.Bb2 Bb4?? 7.Bg7 Nf6 8.Bh8 +–.

4.Bb2 e6 5.e3 Bb4?? 6.Bg7 Ba6 7.Ba6 Na6 8.Ra4 +–.

4.Bb2 e6 5.e3 Bd7 6.Ne5 Bb4? 7.Nd7 Kd7 8.Bg7 +–.

4.e3 e6 5.Ra4 c6 6.d4 Nf6 7.Bd3 (7...Bd6 8.Bd2). pierre (1765) – oasis, internet, 2006.

4.e3 Nf6 5.Ra4 Bd7 6.Ra1 e6. DeMaddin – mafergut, ChessWorld.net, 2003.

4.e3 Bd7

5.Bb2 e6

6.Ne5 Bb4? 7.Nd7 Kd7 8.Bg7 +–.

6.Ne5 Qe7 7.b5 Qb4 8.Nd7 Qb2 9.Nf8 Qa1 10.Nh7 Rh7 –+.

6.Ne5 Qe7 7.b5 Qb4 8.Nd7 Nd7 9.Bc3 Qe4 10.Bd4.

3.Nf3 e5

3.Nf3 e6

4.Ra4 d5 5.e3 c5 6.bc5 Bc5 7.Ba3 Bd7 8.Rg4 Ba3 9.Na3 g6 10.Qa1 Nf6?? (Better is 10...f6+=) 11.Rf4+– e5 (11...Nc6 12.Rf6 d4+–) 12.Qe5 Qe7 13.Rf6 Nc6 (13...Qe5 14.Ne5 Be6+–) 14.Rc6! Qe5 (14...Bc6 15.Qh8) 15.Ne5 Bc6 16.Nc6 a5 17.c4 dc4 18.Nc4 a4 19.Nb6 Ra6 (19...a3 20.Bb5 a2+–) 20.Ba6 (20...h5 21.Ke2+–) 1–0. orane (2210) – Crazypawn, Live Game Caissa's Web, 2004.

4.Ra4 d5 5.e3 Bd7 6.b5 a6 7.Ne5+= Nf6 8.Bb2 Ng8? (better is 8...a5+=) 9.Nf7!+– (9.Nd7?! Qd7 10.c4 a5+/–) 9...Kf7 Decoy theme: f7 10.Qh5 Ke7?? (10...g6 11.Qf3 Nf6 12.Bf6 Qf6+–) 11.Ba3 Kf6 (11...c5 12.bc6 Kf6 13.Rf4) 12.Rf4# 1–0. pierred (2595) – eduardobandeira (2100), net–chess.com, 2008.

4.Bb2 Bb4?? 5.Bg7 d5 6.Bh8 +–.

4.Bb2 Nc6 5.b5 Rb8 =.

4.c3 Bb7 5.d3 Qf6 6.Bg5 Qf5 7.e4 Qg6 8.Qa4 Be7 9.Be7 Ne7 10.Qa5 Na6 11.Nbd2 0–0–0? 12.Qb5 c6 13.Qa5 d5 14.d4 Nc7 15.Qc5 de4 16.Ne5 Qf6 17.Ra7 e3 18.Ne4 ef2 19.Kd1 Qf5 20.Qb6 Rd4 21.cd4 Kd8 22.Rb7 Qh5 23.Kd2 Qe5 24.de5 Ned5 25.Qc6 Kc8 26.Nc5 Rd8 27.Rb8! Kb8 28.Qb7# 1–0. Hanison,Bernard – Valica,Slavo, b2–b4.com, 2004.

4.c3 Bd6 5.Na3 Ba6 6.Qa4 (6.d3 Qf6 7.d4 Qf5 8.g3 Nf6 9.Bg2; 6.d4 Nf6 7.Qa4 Be7 8.Bg5 Bb7 9.e3) 6...c6 (6...Nf6 7.d3+= Nd5 8.Qb3 Qf6 9.d4) 7.g3 (7.d3 Nf6+= (7...c5 8.Nc4 Bc4 9.bc5) 8.e4 Qc7 9.Bg5) 7...Qb6 (7...Nf6 8.Bg2+= Be7 9.d3) 8.Bg2 (8.d3 Ne7 9.Bg2) 8...Ne7 (8...Nf6 9.d3) 9.d3 Nd5 10.Bd2 0–0 (10...Be7 11.e4 Nc7 12.Nc4 Bc4 13.dc4+/–) 11.Nc4 Qc7 12.Nd6 Qd6 13.Qa5 Qe7 (13...Bb7 14.c4 Nf6 15.Bf4+/–) 14.c4+– Nf6 (14...Nb6 15.Bf4 d6 16.c5+/–) 15.b5 cb5 (15...Bc8 16.Ne5 d5 17.bc6+–) 16.Ne5 (worse is 16.cb5 Bb7+/–) 16...Ng4?? (16...d5 17.cb5 Bc8+–) 17.Ng4 d5 18.Bb4 Qd7 1–0. henryk88 – dmamic, IECG, 2008.

4.e3 Bb4 5.Bb5 a3 6.Na3 Ba3 7.Ba3 c6 8.Ba4 Nf6 9.0–0 Ba6 10.d3 Nd5 11.Qd2 Qf6 12.Bd6 Bb5 13.Bb5 cb5 14.Rfb1 a6 15.Rb5?? Qa1 16.Qe1 Qe1 17.Ne1 ab5 18.e4 Nc3 19.f4 Nc6 20.e5 f5 21.Kf2 Ra1 0–1. Trkn – Bob Milkint, itsyourturn.com, 2000.

3.Nf3 Nf6

4.Bb2 (--> 2.Bb2 Nf6 3.a4 ba4 4.Nf3).

4.Bb2 Bb7 5.Nc3 e6 6.Ra4 (--> 2.Bb2 Nf6 3.a4 ba4 4.Nf3 e6 5.Ra4 Bb7 6.Nc3).

4.c3 Bb7 5.Qa4 Bd5 6.d4 =.

4.c3 Bb7 5.Qa4 e6 6.d4 Be7 7.Nbd2 (7.Bf4 0–0=) 7...0–0 8.Qc2 a5 (8...d5!?=) 9.ba5 c5 10.e4 (10.Nc4 Nc6) 10...cd4 (10...Ra5 11.Rb1 Bc6 12.Bd3=) 11.cd4 (11.e5 dc3 12.Qc3 Nd5=) 11...Ra5= 12.Rb1 Ba6 13.Ba6 Ra6 14.Qd3 Rb6 (14...Ra2 15.0–0=) 15.0–0 (15.Rb6 Qb6 16.Nc4 Qc6=+) 15...Rb1= 16.Nb1 Nc6 (16...d5 17.e5 Ne4 18.Nbd2=) 17.Bg5 (17.Ne5 Nb4 18.Qf3 d5=+) 17...d5 18.e5 (18.Bf6 Bf6 19.e5 Nb4=) 18...Ne4 19.Be7 Qe7 20.Nbd2 Nd2 ½–½. Conde,Jose A – Fournier,Frederic, TT–06 TSC, 2003.

4.c3 Bb7 5.Ra4 Bc6 6.Ra3 =.

4.c3 e6 5.Qa4 Bb7 6.d4 Be7 7.Nbd2 (7.Bf4 0–0=) 7...0–0 8.Qc2 a5 (8...d5 9.Ne5=) 9.ba5 c5 (9...Nc6 10.Nc4) 10.e4 (10.Nc4 Nc6 11.Qa4 cd4 12.Nd4 Ra6=) 10...cd4 (10...Ra5 11.Ra5 Qa5 12.Bd3=) 11.cd4 (11.e5 dc3 12.Nc4 Nd5=) 11...Ra5= 12.Rb1 Ba6 13.Ba6 Na6 14.Qc3 (14.0–0 d5 15.Nb3 Nb4=+) 14...Ra4 (14...d5 15.e5 Ne4 16.Ne4 de4 17.Bd2–+) 15.0–0 Qa8 (15...d5 16.Qc2 Ra5 17.Nb3=+) 16.Qe3 (16.Qc2 Nb4 17.Qd1 d5= (17...Ne4? 18.Ne4 Qe4 19.Bg5 Bg5 20.Qa4+–)) 16...Rb8 17.Rb8 Nb8 18.Bb2 (18.Ne5 d5=) 18...d5 19.e5 Nfd7 (19...Ng4 20.Qf4 Nh6 21.Rb1=) 20.Rb1 Ra2 ½–½. Schulz,Hans_Juergen – Fournier,Frederic, TT–06 TSC, 2003.

4.c4 Bb7 5.Ra4 d5 6.cd5 Nd5 7.b5 Nb6 8.Rd4 N8d7 9.e4 (9.Bb2!?=) 9...e6 10.Ba3 Ba3 11.Na3 Qe7 12.Nc2 e5 13.Rb4 Nc5 14.Qe2 (14.d3 0–0–/+) 14...a5 15.ba6 Ba6 16.Qe3 Bf1 17.Kf1 Ra2 18.Qc3 0–0 19.Ne3 Rfa8 20.Ke2 (20.g3!? Nbd7 21.Kg2 Qf8–/+) 20...Ne6 21.Rd1 R2a3 22.Nf5 Qf8 23.Rb3 Na4 24.Qc2 Rb3 25.Qb3 g6 26.Ng3 Nac5 27.Qc3 Qd6 28.h4 (better is 28.Kf1!? Qd3 29.Kg1–/+) 28...Nd3 29.Rb1 (29.Ra1 Ra1 30.Qa1–+) 29...Ra3 30.Rb8 (30.Qc2 Qa6 31.Kd1–+) 30...Kg7 31.Qc2 (31.Kf1 Rc3 32.dc3–+) 31...Nef4 32.Kd1 Ra1 33.Rb1 Qa6 34.Nd4 Rb1 35.Qb1 ed4 36.Qd3 (36.Nf5 gf5 37.Qd3 Qd3 38.Kc1 Qc4 39.Kb1 Qb3 40.Ka1 Nd3 41.e5 Qb2#) 36...Qd3 37.Kc1 (37.Nf5 gf5 38.Kc1 Qc4 39.Kb1 Qb3 40.Ka1 Nd3 41.e5 Qb2#) 37...Qc4 38.Kb1 Qb3 39.Ka1 Nd3 40.Nh5 gh5 41.g4 (41.e5 Qb2#) 41...Qb2# 0–1. Caissa – orane, internet, 2003.

4.c4 e6 5.Ra4 a6 6.Bb2 =.

4.e3 c6 5.c3 a6 6.d4 e6 7.Qa4 Bd6 8.Nbd2 Bb7 9.e4 0–0?? (better is 9...Bc7 10.e5 Nd5+–) 10.e5 Be5 (10...a5 11.ba5 (11.ed6?! ab4 12.Qa8 Ba8 13.Ra8 bc3+=) 11...Bc7 12.Qb4+– (12.ef6?! Ra5 13.fg7 Kg7=)) 11.de5 (worse is 11.Ne5 d6 12.Nec4 d5+–) 11...Nd5 12.Ne4 h6 (12...Qc7 13.Qa5 c5 14.Nc5+–) 13.Nd6 Qc7 14.c4 Nc3 (14...a5 15.ba5 Ne7 16.Rb1+–) 15.Qa5 Qa5 16.ba5 Bc8 17.Be3 g5 (17...Nb5 18.cb5 cb5 19.Bd3+–) 18.Kd2 Nb5 19.cb5 cb5 20.h4 g4 21.Bh6 Rd8 (21...Nc6+–) 22.Nh2 Nc6 23.Ng4 Nd4 (23...Ne5 24.Nf6 Kh8 25.Re1 Re8 26.Nde8 Nc4 27.Bc4 bc4 28.Bg7) 24.Nf6 Kh8 25.Nf7 1–0. aspasio – valerypavlovich (2100), net–chess.com, 2015.

4.e3 e6 5.Ra4 Be7 6.Bb2 d5 7.c4 c5? (better is 7...0–0!?=) 8.bc5+/– Bd7 9.Ra2 Bc5 10.d4 (10.cd5!? ed5 11.Qc2+/–) 10...Bb4+= ½–½. Hain,Anthony (1925) – Chan,Anthony, Oceania Zonal, 2015. (=1.Nf3 Nf6 2.b4 b5 3.a4 ba4)

4.Ra4 Bb7

5.Nc3 e6 6.Bb2 (--> 2.Bb2 Nf6 3.a4 ba4 4.Nf3 e6 5.Ra4 Bb7 6.Nc3).

5.e3 e6 6.Bb2 Be7 7.Be2 0–0 8.0–0 d5 9.d4 Nbd7 10.c3 Ne4 11.Nbd2 Nb6 12.Ra1 a6 13.Re1 f5 14.Nb3 Nc4 15.Bc4 dc4 16.Na5 Bd5 17.Qe2 Nd6 18.Ne5 1–0. asoka (2500) – ramoschessbrasil (2480), net–chess.com, 2011.

4.Ra4 d5

5.Bb2 Bd7 6.Ra5 e5 7.Be5 Bb4 8.Bf6 Qf6 9.Rd5 0–0 =.

5.e3 Bb7 6.Nc3 e6 7.Ba3 Bd6 1–0. pcmvr (2850) – ramoschessbrasil (2480), net–chess.com, 2011.

5.e3 Bd7 6.b5 e6 7.Ne5 Bd6 8.Bb2 0–0 9.Na3 Ne4 10.Bd3 Nc5?? (better is 10...a6=) 11.Bh7!+– (11.Nd7 Na4 (11...Ncd7? 12.Bh7 Kh7 13.Qh5 Kg8 14.Bg7+/–; 11...Nbd7 12.Bh7 Kh7 13.Qh5 Kg8 14.Bg7+/–; 11...Qd7 12.Bh7 Kh7 13.Rh4 Kg8 14.Bf6 Ne4 15.Qh5 Nf6 16.Qh8) 12.Bf6 Nd7 13.Bd8 Rfd8+/–) 11...Kh7 12.Qh5 Kg8 13.Rh4 Re8 1–0. marekt – zucchini, ChessWorld.net, 2015.

2.a4 a5

3.ab5 Bb7 4.ba5 h5 5.Bb2 Nf6 6.e3 c6 (6...d6 7.a6 Bc8 8.Bf6 ef6 9.Be2+–) 7.a6 Bc8 8.a7 cb5 9.ab8Q Rb8 10.Nc3 e6 (10...b4 11.Nb5+–) 11.Nb5 Rb5 (11...Bb7+–) 12.Bb5 Be7 1–0. marekt – mightyatom_1, ChessWorld.net, 2012.

3.ab5 c5? 4.bc5+– d5 (4...g6 5.Nc3+–) 5.c6 (5.Nf3 e5 6.c6 Bd6+–) 5...e6 (5...e5 6.Nf3+–) 6.Nf3 Nh6 (6...Nf6 7.Nc3+–) 7.Nc3 (better is 7.e3 Bc5+–) 7...Nc6 (7...Bd6 8.e3+–) 8.bc6 a4 (8...Ba6 9.e4 de4 10.Ne4 Bf1 11.Kf1+–) 9.e3 a3 (9...Bd6 10.Bb2+–) 10.Nb5 a2 (10...Qb6 11.Na3 Nf5 12.Nc4 Qc6 13.Nce5+–) 11.c7 (11.c7 Qd7 12.Bb2+–) 1–0. pierre – pocc, internet, 2010.

3.c4 bc4 4.ba5 Nf6 5.Nf3 +=.

3.c4 c5 4.d4 (4.ab5 cb4 5.d4+=) 4...d5?? (4...ab4 5.cb5 c4 6.e4=) 5.e4 (5.ab5 cb4 6.c5 Nd7+/–) 5...e5 (5...ab4 6.cb5 c4 7.ed5 Qd5 8.Be2=) 6.f4 f5 7.g4?? 8.h4?? h5 9.Rh3?? Rh6 ½–½. Brardt,Dennis – Kahlert,Philipp, Schleswig Holstein–ch U12, 2001. (=1.a4 a5 2.b4 b5)

3.h4 h5 4.c4 c5 5.d4 d5 6.e4 e5 7.f4 f5 8.g4 g5 9.dc5 fe4 10.Qd5 Qd5 11.cd5 ef4 (better is 11...gf4!? 12.Bb5 Kd8+/–) 12.Bb5 Kd8 13.ba5?? (better is 13.hg5 Bg7 14.Ra2 Bg4 15.Bf4 ab4 16.c6+–) 13...hg4+= (worse is 13...Bc5 14.hg5 f3 15.Nf3 ef3 16.gh5+/–) 14.h5 (better is 14.d6!? Bg7 15.Ra2+=) 14...Bc5–+ 15.Ne2 Nf6 (15...g3 16.Ng3 fg3 17.Bg5 Ne7 18.Ra2–+) 16.Nbc3? (better is 16.Bb2 Bb4 17.Nd2–/+) 16...e3–+ (worse is 16...Ra5 17.h6–+) 17.Ba3 Ba3 18.Ra3 f3 (better is 18...g3 19.0–0 Bh3 20.Nf4 gf4 21.Rf4 Nh5–+) 19.Ng3–/+ Bb7 20.Bc6?? (better is 20.h6–/+) 20...Nc6–+ 21.dc6 Bc6 22.Rb3 (22.Rh2–+) 22...f2 23.Ke2 Bh1 24.Nh1 Rh5 (24...Rh5 25.Nf2 ef2 26.Kf2 Rh3–+) 0–1. alfredalfred – willitheblitzer (2150), gameknot.com, 2014. (=1.a4 a5 2.b4 b5)

3.ab5–/+ a4

4.c3 e5–/+.

4.c3 Nf6 +/–.

4.c4 c5 5.bc5 Qa5 6.e3 Qb4 7.Qf3 Ra7 8.Ba3 Qb3 9.Ne2 Bb7 10.Qg3 Qc4 11.Qb8 (11...Bc8 12.Qc8#) 1–0. miehnekort – ibuynsellhome2, Yahoo, 2005.

4.c4 d5!? +/–.

4.c4 d6 5.Ra4 Ra4 6.Qa4 Bd7 7.d4 Nf6 8.Nc3 h5 9.e3 h4 10.Nf3 Ng4 11.Be2 Qc8 12.0–0 Na6 13.Qa6 Qd8 14.Nd5 Rh6 15.Qb7 e6 16.Nc7 Ke7 17.e4 h3 18.Bh6 gh6 19.Ra1 Kf6 20.Ra8 Qe7 21.gh3 Nh2 22.Nh2 d5 23.e5 Kg6 24.cd5 Qg5 25.Ng4 Qc1 26.Kg2 Bb4 27.Rg8 Kh7 28.Qb8 Qf4 29.Rh8 Kg6 30.Qg8 Kh5 31.Nh6 Kh4 32.Nf7 1–0. Trkn – James, itsyourturn.com, 2000.

4.c4 g6 5.Bb2+– Nf6 6.e4! e6 (6...Ne4 7.Bh8) 7.Qf3 (Better is 7.e5 Ne4 8.Ra4 Ra4 9.Qa4 Nf2 10.Kf2 Qh4 11.g3+–) 7...Bb7?? (Better is 7...Bg7+/–) 8.Bf6+– Be4 9.Qc3 (Better is 9.Qf4 g5 10.Bg5+–) 9...Qf6 (9...Bb4 10.Bd8 Bc3 11.Nc3 Kd8 12.Ne4 a3+–) 10.Qf6 Rg8 11.Nc3 Bc2 12.Qf4 Bd6 13.Qf3 c6 14.bc6 Nc6 (14...dc6 15.b5+–) 15.b5 Rc8 16.bc6 Rc6 17.Na4 Be5 18.Nc3 Ke7 19.Ra7 Bd4 20.Rd7! Kd7 21.Qf7 Kd6 22.Nb5 Kc5 (22...Ke5 23.Nf3 Ke4 24.Ng5 Ke5 25.f4) 23.Qe7 Kb6 24.Qa7# 1–0. Taulien,Hans_Juergen – Lausch,Axel, remoteschach.de, 2002.

4.e3 c6 5.c4 (5.c3 Nf6+–) 5...e6 (5...cb5 6.cb5 e5 7.Bb2–/+) 6.bc6 (6.Ra4 Ra4 7.Qa4 cb5 8.Qb5 Ba6+–) 6...Nc6 (6...Bb4!? 7.Ra4 Ra4 8.Qa4 Nc6–/+) 7.b5+– (7.Ra4?! Ra4 8.Qa4 Bb4–/+) 7...Nb4 8.Ra4 Bb7 9.Rb4?? (Better is 9.Ra8 Qa8 10.f3+–) 9...Bb4= 10.Nf3 Ra1?? (Better is 10...d5=) 11.Bb2+– Ra2?? (11...Rb1 12.Qb1 f6+–) 12.Bg7 Qa5 13.Bh8 (Better is 13.Bd3+–) 13...Bd2 (13...Be4 14.Be2 Bb1 15.Qb1 Bd2 16.Kf1 Ne7+–) 14.Nfd2 Ra1 15.Bd3 Qa2 16.0–0 Qa8 17.Ba1 Bg2 18.Nc3 Bh1 19.f3 d6 20.Kh1 Nf6 21.Kg2 1–0. kamera – yossi_e, GameColony.com, 2002.

4.e3 d5 5.c3–/+.

3.ab5–/+ c6

4.c4 cb5 5.cb5 g5 6.e4 Bg7 7.d4 e5 8.d5 Nf6 9.Bg5 a4 10.Ra4 Ra4 11.Qa4 h6 12.Bh4 Qc7 13.Bf6 Bf6 14.Qd1 Rg8 15.Ne2 Rg4 16.f3 Rh4 17.Ng3 d6 18.Bd3 Qd7 19.0–0 Bg5 20.Nf5 h5 21.Nh4 Bh4 22.Nc3 Qa7 23.Kh1 Qa3 24.Qc2 Qb4 25.Rb1 Qa5 26.b6 Na6 27.b7 Qc7 28.Ba6 Bb7 29.Rb7 Qb7 30.Bb7 Bf2 31.Qf2 h4 32.Nb5 f5 33.Qh4 fe4 34.fe4 Kd7 35.Qf6 Ke8 36.Bc6# 1–0. Trkn – Tim, itsyourturn.com, 2000.

4.bc6 dc6 5.c3–/+.

2.a4 a6?

3.ab5+/– f5 4.Bb2 c6 5.e4 (5.e3 Nf6+–) 5...e6 (better is 5...fe4!? 6.Qh5 g6+/–) 6.ef5+– ef5 (6...Nf6 7.fe6 Bb4 8.bc6 Nc6 9.Bb5+–) 7.Qh5 Ke7 8.Ra3 (better is 8.ba6 Na6 9.Ba6 Ba6 10.Ra6 Ra6 11.Qe2 Kf7 12.Qa6 Qe7 13.Ne2 Qb4 14.Qa2 d5 15.0–0+–) 8...cb5?? (8...d5+–) 9.Re3 (9.Qf5 d5 10.Qe5 Kf7 11.Qh5 Ke6 12.Re3 Kd6+–) 9...Kd6 10.Re8 (10.Qf5?! Kc7+–) 10...Qe8 11.Qe8 (11...Ne7 12.Qf7+–) 1–0. Taulien,Hans_Juergen – Matthias,Klaus, remoteschach.de, 2002.

3.ab5+/– Nf6 4.ba6+/– Na6?? (better is 4...c6+/–) 5.b5+– d5 (5...c6 6.ba6 (6.Ra6?! Ba6 7.ba6 Qb8+–) 6...Ba6 7.Ba3+–) 6.e3 (worse is 6.ba6 Ba6 7.Nf3 g6+–; 6.Ra6?! Ba6 7.ba6 Qb8+–) 6...e5 7.ba6 Ra6 (7...Bd6 8.Bb5 Bd7+–) 8.Ba6 e4 (8...Ba6 9.Ra6 Bd6 10.Nf3+–) 9.Bb5 Bd7 10.Bd7 Qd7 (10...Nd7 11.Nc3 c6+–) 11.Ra8 Qd8 12.Rd8 Kd8 13.Bb2 Be7 14.Bf6 Bf6 15.Qh5 g6 16.Qd5 Ke8 17.Nc3 Bc3 18.dc3 Kf8 19.Qe4 Kg7 20.Qe5 Kh6 21.Qh8 c5 (21...Kg5 22.Nf3 Kg4 23.h3 Kf5 24.Qe5) 22.Nf3 c4 (22...f5 23.c4 f4 24.g4 fg3 25.hg3) 23.Qf6 Kh5 24.Qg5# 1–0. pierre – qupry, internet, 2010.

3.ab5+/– ab5??

4.Ra8+– Bb7 5.Ra7 Qc8 6.Nc3+–.

4.Ra8 Bb7 5.Ra7 Qc8 6.e3 e6 7.c3 (7.Bb5?! Bg2 8.Bb2 Bh1+/–) 7...Nf6 8.Nf3 (8.Bb5?! Bg2 9.Nf3 Bh1=) 8...Nc6 9.Ra1 Ne4 (9...Ba6 10.Qc2+–) 10.Bb5 Bd6 (10...Be7 11.d4+–) 11.d3 Nf6 12.0–0 Ne5 13.Ne5 Be5 14.f4 Bd6 15.e4 c6 16.Bc4 0–0 (16...Be7 17.Nd2+–) 17.e5 Be7 18.ef6 Bf6 19.d4 d5 20.Bd3 h6 21.Qe2 g5 22.fg5 hg5 23.Qh5 Ba6 (23...Bd4 24.cd4 f5 25.Qg6 Kh8 26.Bf4 Qd8 27.Be5 Rf6 28.Ra7 g4 29.Rb7 Qc7 30.Rc7 f4 31.Bf6) 24.Qh7 1–0. _chess_ (2000) – jkarp, gameknot.com, 2011.

4.Ra8 Bb7 5.Ra7 Bc8 6.e4 Nc6 7.Ra8 Nb4 8.c3 Na2 9.Ra2 Bb7 10.d3 e5 11.Nf3 h5 12.Ne5 f6 13.Ng6 Bc5 14.Nh8 f5 15.Qh5 Kf8 16.Qf5 Nf6 17.Qc5 Ke8 18.Ng6 Ng4 19.Qf8# 1–0. Trkn – Rees,Dave, itsyourturn.com, 2001.

4.Ra8+– Nc6 5.e3 (5.c3 Ne5+–) 5...Nb4 6.Ba3 Nd5 7.Bb5 Nb6 8.Rb8 (better is 8.Ra7+–) 8...Nc4 (8...c6 9.Bc5 Qc7 10.Rb6 cb5 11.Rb5 Qc6+–) 9.Bc4 Bb7 10.Bf7! Kf7 11.Rd8 Bg2 12.Nf3 (12…Bf3 13.Qf3 Nf6 14.Rd7+–) 1–0. b4_player – JEF112, GameColony.com, 2002.

3.ab5+/– Bb7

4.ba6 Ra6 5.Ra6 Na6 6.c3+/–.

4.ba6 Ba6 5.b5 Bb7 6.Ra8 Ba8+/–.

4.ba6 Ba6 5.b5+/– e6?? 6.ba6+– (6.Ra6?! Na6 7.ba6 Qb8–/+) 6...Bc5 (6...Ra6 7.Ra6 Na6+–) 7.d4 Bb6 8.e4 Nf6 9.e5 Ne4 (9...Nd5 10.c4 Qh4 11.Ne2+– (worse is 11.cd5 Bd4 12.Qf3 Ba1 13.de6 Ra7 14.ef7 Kf8 15.Ba3 d6 16.ed6 cd6 17.Bd6 Re7 18.Ne2 Qa4+–)) 10.Qg4 d5 11.Qg7 Ke7 12.c3 Na6 (12...Qg8 13.Qh6 Kd7 14.Be3+–) 13.Ba6 Rg8 (13...Qg8 14.Qg8 Rhg8 15.Kf1+–) 14.Qh7 Qf8 (14...Rg2 15.Bb5 c6 16.Ra8 Qa8 17.Ba3 c5 18.Ne2+–) 15.Qh4 Ke8 (15...f6 16.f3 Rh8+–) 16.Bb5 c6 17.Bc6# 1–0. market (2150) – March2Victory (1730), GameColony.com, 2002.

4.ba6 Ba6 5.d3 d5 6.b5 Bb7 7.Ra8 Ba8 8.d4 Nf6 (8...c5 9.e4 cd4 10.Qd4 de4 11.Qd8 Kd8 12.b6+/–) 9.Bf4 e6 10.Nf3 Bb4 (10...Be7 11.e3+/–) 11.c3 Ba5?? (Better is 11...Be7+/–) 12.Qa4+– Bc3 (12...c6 13.Bb8 0–0 14.Bf4+–) 13.Nc3 Bb7 (13...Nbd7 14.e3+–) 14.b6 Nfd7 15.bc7 Qc7 16.Bc7 Nc6 17.Qb3 Ba8 18.Qa3 Bb7 19.Nb5 f6 20.Nd6 Ke7 21.Nb7 Kf7 22.Nd6 Kg6 23.Nh4 Kh6 24.Nf7 Kh5 25.Qf3 Kh4 26.Bg3# 1–0. kamret (2160) – traderabc, GameColony.com, 2003.

4.ba6 Ba6 5.d3 e5 6.b5 Bb7 7.Ra8 Ba8 8.Nf3+/–.

4.ba6 Na6 5.b5 Nb4 6.Ra8 Qa8 7.Nf3+=.

4.ba6 Na6 5.c3 e5 (5...Nb4!? 6.Ra8 Qa8=) 6.e3 Qc8 7.Nf3 f6 (7...e4 8.Ne5+/–) 8.Be2 Nh6 9.0–0 Be7 10.d4 0–0 11.de5 d6 12.ed6 Bd6 13.Bb2 Ng4 14.h3 Nh6 15.Nbd2 Qf5 16.Nd4 Qc8 17.Bf3 Nf7 18.Bb7 Qb7 19.Nc4 Rad8 (19...Rfe8 20.Nf5 Bf8 21.Na5+–) 20.Nd6 Nd6? (20...Rd6 21.b5 Nc5 22.Ba3+–) 21.Qb3 (21.Ne6 Rfe8 22.Nd8 Rd8+–) 21...Kh8 (21...Rf7+–) 22.Ne6 Nb8 23.Nf8 Rf8 24.c4 1–0. minas_morgul (1650) – mr5reasons1 (1690), gameknot.com, 2012.

3.ab5+/– c6

4.bc6 dc6 5.c3 +/–.

4.bc6 Nc6 5.b5 Nb4 6.Ra4 Nd5+/– 7.Nf3 d6 (7...Rb8!?+= 8.e4 (8.Ra1 ab5 9.e4 Nc7 10.d4 d5 11.Ne5 Rb7 12.ed5) 8...ab5 9.Rd4 Nc7 10.Ne5 Rb6 11.Bb2 Nh6 12.Nd3) 8.e4+– Nb6 9.Ra6 (9.Ra1 a5 10.d4+– Nf6 11.Bd3 d5 12.Nbd2) 9...Nf6? (better is 9...Ba6!? 10.ba6 Nf6 11.Bb5 Nbd7+/– 12.0–0) 10.Ra8+– Na8 11.Nc3 e6 12.Bd3 Bb7 13.Bb2 Be7 14.0–0 e5 15.Qe2 0–0 16.Ra1 Nb6 17.h3 Nh5 18.g3 Nf4?? 19.gf4 ef4 20.e5 Bf3 21.Qf3 de5 22.Qe4 g6 23.Qe5 Bd6 24.Qd4 f3 25.Ne4 f6 26.Nd6 Nd7 27.Bc4 Kh8 28.Nf7 Rf7 29.Bf7 Qc7 30.Qf6! Nf6 31.Bf6# 1–0. pierre – killer, internet, 2011.

4.bc6 Nc6 5.b5! Nb8 6.c4 (6.e4 Bb7 7.Nc3 Nf6+/–) 6...d5 (6...Bb7 7.Nf3+/–) 7.e3 Nf6 (7...e5 8.Bb2 f6 9.d4 dc4 10.Bc4+/–) 8.c5+– e6 9.Qc2 (9.d4 Be7+–) 9...Nfd7 (9...Be7!?+/–) 10.d4 Bb7 (10...Nf6 11.Qa4+–) 11.c6 Bc6 12.bc6 Qc8 13.cd7 Nd7 14.Qc8 Rc8 15.Bd2 Rb8 16.Nc3 Bb4 17.Ba6 Nb6 18.Nf3 0–0 19.Ne5 Rfd8 20.Nc6 Nd7 21.0–0 Re8 22.Rfb1 Rb6 23.Nb4 Ra8 24.Bb5 Rb7 25.Ra8 Nb8 26.Bc6 Rc7 27.Rb8 Rc8 28.Rc8# 1–0. Taulien,Hans_Juergen (2350) – Stahn,Hartmut (2000), remoteschach.de, 2004.

3.ab5+/– d5

4.d4 ab5 5.Ra8 e5 6.Rb8 g5 7.de5 g4 8.e4 Nf6 9.ef6 Qf6 10.Qg4 Bb4 11.Nd2 Qa1 12.Bb5 Kd8 13.Qd7 1–0. marekt – yasminedge, gameknot.com, 2001.

4.e3 e5 5.Bb2 Bd6 6.Nf3 +/–.

4.e3 e6 5.Bb2 (better is 5.c3 Bb7 6.ba6 Na6 7.d4+/–) 5...Bb4?? (better is 5...Nf6 6.ba6 Bb4+/–) 6.Bg7+– Bb7 (6...Bd6 7.Bh8 Nf6 8.Nf3+–) 7.ba6 Ra6 (7...Ba6 8.Ba6 Na6 9.Bh8+–) 8.Ra6 (better is 8.Ba6 Na6 9.Bh8 Qg5+–) 8...Ba6 9.Ba6 Na6 (9...Qg5 10.Bh8 Qg2 11.Bf1 Qh1 12.Qg4 Bd2 13.Nd2+–) 10.Bh8 Nh6 (10...Qg5 11.Nf3 Qg6 12.0–0+–) 11.Bc3 (11.c3 Ke7 12.cb4 Qh8+–) 11...c5 (11...Qg5 12.g3 Qf5 13.Nf3+–) 12.Nf3 (12.Qh5 Bc3 13.Qh6 Ba1+–) 12...Bc3 13.Nc3 c4 (13...Nb4 14.0–0+–) 14.Qa1 (better is 14.e4+–) 14...Nb4 (14...Nc7+–) 15.Qa4 Qd7 16.Qb4 Qa7 (16...f6 17.e4 Ng8 18.ed5 ed5 19.0–0+–) 17.0–0 Nf5 18.Rb1 (18.e4 de4 19.Ne4 Qe7 20.Qc4 Kf8+–) 18...Qc7 19.Nb5 Qb6 20.g4 Nd6 21.Nd6 Qd6 22.Qd6 (22..f5 23.Ne5 fg4 24.Rb8#) 1–0. Fredek (2065) – Guest218821, Freundschaftspartie, 5m + 0s, 2006.

3.ab5+/– e5

4.Bb2 d6 5.e3 Nf6 6.c4 Be7 7.Nf3 c6 8.Nc3 d5 9.cd5 cd5 10.Ne5 Bb4 11.Be2 Qd6 12.d4 Bd7 13.0–0 0–0 14.ba6 Rc8 15.Nd7 Nfd7 16.Qa4 Bc3 17.Rfc1 Nc6 18.Bc3 Rcb8 19.Rcb1 Rb6 20.Rb6 Nb6 21.Qa3 Qa3 22.Ra3 Ra7 23.Rb3 Na4 24.Bd2 Ra8 25.Bb5 g6 26.Bc6 Rc8 27.Ba4 Ra8 28.Rb6 Ra7 29.Bc6 Rc7 30.Bb7 Rc2 31.Be1 Rc1 32.Kf1 Ra1 33.Bd5 Kg7 34.Bc4 Rc1 35.a7 Rc4 36.a8Q Rc7 37.Qa1 Rd7 38.d5 Kf8 39.Qh8 Ke7 40.Bb4 Rd6 41.Rb7# 1–0. Trkn – Damon_sol, itsyourturn.com, 2000.

4.c3+=.

4.Nf3 +/–.

2.a4 Ba6?

3.a5 e5 4.c3 Nf6 =.

3.e3 ba4 4.Ba6 Na6 5.Ra4 Nb8 6.Qf3 c6 7.b5 e5 8.Ne2 Bd6 (8...cb5!? 9.Qa8 ba4 10.Qa7 Nc6 11.Qa4 Nf6+/–) 9.Nbc3 Nf6 10.bc6 dc6 11.Nb5?? (Better is 11.Ng3+/–) 11...Qb6 (Better is 11...cb5 12.Qa8 ba4 13.Qa7 Qd7–+) 12.Nd6+– Kd8 (12...Kf8+–) 13.Nf7 Kc8 (13...Ke8 14.Nh8 Nbd7 15.Rc4+–) 14.Qf5 (14...Nbd7 15.Nh8+–) 1–0. MasterofDisaster – yourrrmove, Live Game Caissa's Web, 2004.

3.e3 Bb7 4.ab5 e5 5.Nf3 Qf6 6.Bb2+/– Bf3 7.Qf3 Qd6?? 8.Qa8 Nf6 9.Qb8 Ke7 10.Ra6 Qb4 11.Ba3 (11...Qa3 12.Ra3+–) 1–0. pierre (2145) – donny38, internet, 2007.

3.e3 Nf6 4.c3 Bb7 5.ab5 e6 6.Nf3 Bd6 7.Be2 0–0 8.0–0 +/– .

3.e4 Bb7 4.ab5 Be4 5.Nc3.

3.e4 c6 4.ab5 Bb5 5.c4 Ba6 6.d4 e5 7.b5 cb5 8.cb5 Bb7 9.de5 Be4 10.Nc3 Bf5? 11.Qf3 d5 12.Qf5 Ne7 13.Qd3 Nd7 14.Nf3 Nc5 15.Qd1 Nf5 16.b6! a5 17.Bb5 Nd7 18.Qd5 Ne7 19.Bd7 Qd7 20.Qa8 Nc8 21.b7. pierre_d – kikinurass, ChessWorld.net, 2005.

3.e4 e5 4.ab5+/– Bb7 5.d3 a6 6.ba6+/– Ba6 7.b5 Bb7 8.Ra8 Ba8 9.Nf3 d6 10.Be3 Be7 11.d4 Nf6 12.de5 Ne4 13.ed6 cd6 14.Bd4 0–0 15.Bd3 Qa5 16.Nfd2 Nd2 17.Nd2 Bg5 18.0–0 Bd2?? 19.Be3?? Be3–+ 20.fe3 Bd5 21.Qh5 Qa2?? 22.Qh7 1–0. andre2004 – gengar, ChessWorld.net, 2005.

3.a5 Nc6

4.c3 e5 =.

4.g3 Nf6 5.c3 g6 6.Bg2 e6 7.h4 Qb8 8.Bf3 Bb7 9.g4 d5 10.a6 Bc8 11.d4 Bg7 12.g5 Ne4 13.Be4 de4 14.Bf4 Bd7 15.Bh2 Qc8 16.e3 Ne7 17.Nd2 Nd5 18.Ne4+/– 0–0 (19.h5 Bc6+/–; 18...Bc6 19.Qf3). riverborne – Arcas, Live Game Caissa's Web, 2005.

3.ab5 Bb5

4.Nc3 Ba6 5.Nf3 Nc6?? 6.b5 Rb8 7.Ra6 Nb4 8.Ra4 Rb5 9.Nb5 c6 10.Rb4 cb5 11.Rb5 1–0. byco – kaxigv, internet, 2009.

4.Nc3 c6 5.Nf3 Qb6 6.Nb5 Qb5 7.c3 c5 8.Ra5 Qc4 9.Rc5 (9...Qa6 10.Ne5+–; < 9.bc5 Nc6 10.e3 Qd5+–) 1–0. miehnekort – ibuynsellhome2, Yahoo, 2005.

4.Nc3 c6 5.Nf3 e6 6.Nb5 cb5 7.e3 Bb4+= 8.Bb2 Nf6 9.Bb5 Nc6 10.Ra6 Qc8 11.0–0 0–0 12.Bf6 gf6 13.c3 Bd6 14.Qa4+– Nb8?? 15.Rd6 Rd8 16.Qg4 Kh8 17.Qh4 Kg8 18.Qf6 Kf8 19.Ng5 (19.Ng5 Kg8 20.Qf7 Kh8 21.Qh7#) 1–0. pierre – typvz, internet, 2009.

4.Nc3 c6 5.Nf3 e6 6.Nb5 cb5 7.e3 Qb6 8.Nd4 a6 9.Nb5! Bb4 10.Qg4 g6?? 11.Qb4+– Nc6 12.Nd6 Kd8 13.Qb6 (13.Qb6 Ke7 14.Bb2+–) 1–0. mieczyk – nookw, internet, 2010.

4.Nc3 Bc6 5.Nf3 Qc8 6.b5 Bf3 7.ef3 c6 8.Bd3 cb5 9.Nb5 a6 10.Qe2+/– Nc6?? 11.Nd6+– Kd8 12.Nc8 Rc8 13.Rb1 d6 14.Ba6 Rc7 15.Rb6 Kd7 16.Qb5 e6 17.Rc6! Rc6 18.Bb7 Kc7 19.Bc6 Ne7 20.Qb7 Kd8 21.Qd7# 1–0. Marram – Omer Faruk Cerrah, internet, 2010.

4.Nc3 Bc6 5.Nf3 e6 6.b5+= Bb7 7.e4 Bc5 8.Ra4 Ne7 9.d4+/– Bb6 10.Bd3 d5 11.ed5 Nd5 12.Nd5 Bd5 13.c4 Bf3 14.Qf3 Bd4?? 15.Qa8 0–0 16.Qe4 e5 17.Qh7# 1–0. marre – etuna, internet, 2010.

3.e3! c6

4.ab5 cb5 5.Qf3 d5 6.Ra6 Na6 7.Bb5 Qd7 8.Bd7 Kd7 9.Qd5 (9...Kc8 10.Qa8 Nb8 11.Qa7+–) 1–0. pierre (2125) – LuckyMiki, internet, 2007.

4.ab5 cb5 5.Qf3 d5 6.Ra6 Qd7 7.Nc3 Na6 8.Bb5 Rd8 9.Bd7 Rd7 10.Nd5 Nf6 11.Nf6 gf6 12.Qa8 Rd8 13.Qc6 Rd7 14.Qc8 Rd8 15.Qa6 Bg7 16.Qa7 0–0 17.Qe7 Ra8 18.c4 Rfe8 19.Qd6 Ra1 20.Ne2 h6 21.b5 Re6 22.Qb8 Kh7 23.d4 f5 24.Kd1 Re4 25.c5 Bf6 26.c6 Re7 27.b6 Rb1 28.c7 (28...Rc7 29.bc7 Rc1 30.Nc1+–) 1–0. marekt – jimmyjf, ChessWorld.net, 2004.

4.ab5 cb5? 5.Qf3+– d5?? 6.Ra6! e6 7.Bb5 Nd7 8.c4 Bb4 9.cd5 Rc8 10.Bb2 Ngf6 11.de6 fe6 12.Re6 Kf7 13.Bd7 Qd7 14.Rf6! gf6 15.Qf6 Kg8 16.Qh8 Kf7 17.Qh7 Ke8 18.Qh5 Kd8 19.Bf6 Be7 20.Be7 Qe7 21.Nc3 Rc5 22.Qh8 Kc7 23.Nge2 Qd6 24.0–0 a5 25.Qe8 Qd3 1–0. marekt – undercover, gameknot.com, 2001.

4.ab5 Bb5 5.Bb5 cb5 6.Bb2 Nc6= 7.Qg4 Nf6 8.Bf6+= ef6 9.c3 Ne5 10.Qe4 g6 11.Nf3 d6? 12.Ne5+– fe5 13.Qc6 Ke7 14.Qb5 Qc7 15.0–0 Bg7 16.Ra6 Rhb8 17.Qa5 Qa5+= 18.Ra5 a6 19.Na3 Ke6 20.Rb1 Bf8 21.b5 ab5+= 22.Ra8 Ra8 23.Nb5 Ra2 24.d4 ed4 25.cd4 f5 26.d5 Kd5?? 27.Nc3+– Kc4 28.Na2 d5 29.Rd1 Bg7 30.Nc1 g5 31.Ne2 h5 32.Ng3 h4 33.Nf5 Be5 34.Ne7 d4 35.ed4 Bd4 36.Rd4 Kd4 37.h3 Ke5 38.Kh2 Kf6 39.Nd5 Ke5 40.Ne3 Kf4 41.Ng4 Kf5 42.Kg1 Kf4 43.Kf1 Ke4 44.Ke2 Kf5 45.Ke3 Kg6 46.f4 gf4 47.Kf4 Kh5 48.Nh2 Kg6 49.Kg4 Kf6 50.Nf3 Kg6 51.Nh4 Kf6 52.Nf5 Ke5 53.Kg5 Ke4 54.h4 (54.h4 Ke5 55.h5+–) 1–0. Trkn – Superfish, itsyourturn.com, 2000.

4.c4 Qb6?? 5.c5 Qb7+= 6.a5 d5 7.d4 e6 8.Nf3 Nd7 9.Bd3+= g6 10.0–0 Be7 11.Bb2 0–0–0 12.Nc3 Ngf6 13.e4 Nb8 14.e5+/– Nfd7 15.Bc1 f5 16.ef6 Bf6 17.Bg5 Rde8 18.Ne2 Qc7 19.Ng3 Bd8 20.Qe2 e5 21.Ne5?? Ne5?? 22.de5 Re5 23.Bf4 Nd7?? 24.Be5+– Ne5 25.Rfe1 Nd3 26.Qd3 Bf6 27.Re6?? Ba1–+ 28.Ne2 Kb8 29.Nf4 Bc8 30.Nd5 Be6 31.Nc7+– Kc7 32.Qd6 Kb7 33.Qe6 Rd8 34.Qe7 Kc8 35.g3 Bc3 36.Qe4 Bb4 37.Qb4 Kb7+– 38.a6 Ka6 39.Qa3 Kb7 40.Kg2 Rd7 41.f4 h5 42.Kf3 Rd4 43.Qe3 Rc4 44.h4 Ka6 45.g4 b4 46.Qd3 Kb5 47.f5 Kc5?? 48.Qe3 Rd4 49.Qe7 Kb5 50.gh5 gf5 51.h6 Rh4 52.Qh4 b3 53.h7 b2 54.Qh1 Kb4 55.h8Q Ka3 56.Qb8 a5 57.Qb1 f4 58.Q1b2 Ka4 59.Qa2# (59.Qf4#) 1–0. Trkn – PsychoticNeurotic, itsyourturn.com, 2000.

3.e3! Nc6??

4.ab5+– Nb4 5.ba6 (5.Ra6?! Na6 6.ba6 e6+–) 5...Qc8 (5...Rb8 6.c3 Nc6 7.d4+–) 6.c3 Nc6 7.d4 Nb8 (7...e6 8.Nf3+–) 8.Nf3 c6 (8...Nf6 9.Bd3+–) 9.Ne5 (Better is 9.e4+–) 9...c5 (9...d6 10.Nf3+–) 10.Qb3 (Better is 10.Qf3 f6 11.Qa8 fe5 12.Qa7+–) 10...cd4 11.Qf7 Kd8 12.Qf8 Kc7 13.Qg7 dc3 14.Nf7 Nf6 15.Nh8 c2 16.Nc3 Kb6 17.Na4 Kc6 18.Qg5 Na6 19.Bb5 Kb7 20.Nc5 Nc5 21.Nf7 Nce4 22.Qf5 Qc3 23.Bd2?? Qd2 =. kamera – jpu4, GameColony.com, 2002.

4.ab5 Bb5 5.Bb5 a6 6.Bc6 dc6 7.Qf3 Qd7 8.b5 Qd5 (8...a5 9.bc6 (< 9.Qc6 Qc6 10.bc6 e6+–) 9...Qd8 10.Nc3+–) 9.ba6 e6 10.Ne2 Qf3 11.gf3 Be7 12.Bb2 f6 13.d3 Nh6 14.Nd2 0–0 (14...Kd7 15.a7+–) 15.Nd4 Rfb8 16.Nc4 Nf7 17.Nc6 Re8 18.f4 g5 (18...Bd6 19.Ke2+–) 19.Ne7 Re7 20.Bf6 Ree8 21.Rg1 Rab8 (21...Reb8 22.Ke2+–) 22.fg5 Rb5 (22...Ra8 23.g6 hg6 24.Rg6 Kf8 25.a7+–) 23.g6 hg6 24.Rg6 Kh7 25.Rg7 Kh6 26.Rf7 Kg6 27.Re7 Rc8 28.Be5 Re5 29.Ne5 Kf6 30.Nc6 Rh8 31.Ra4 Rh2 32.a7 (32...Rh1 33.Kd2 Rd1 34.Kd1 e5 35.a8Q e4 36.Qf8 Kg5 37.Rg7 Kh4 38.Qh8#) 1–0. marekt – Honour, ChessWorld.net, 2004.

4.ab5+– Bb5 5.Bb5 Nb4 6.Nf3 +–.

4.ab5 Bb7 5.bc6 Bc6 6.b5 Bb7 7.Nf3 c6 8.bc6 Bc6 9.Bc4 d5 10.Be2 Nf6 11.0–0 e6 12.Ne5 Qc8 13.Nc6 Qc6 14.Nc3 0–0–0 15.Ra7 Rd7 16.Bb5 Qc5 17.Bd7 Nd7 18.Ra2 d4 19.ed4 Qd4 20.Qf3 Ne5 21.Qa8 (21...Kd7 22.Qb7 Ke8 23.Ra8 Qd8 24.Rd8 Kd8 25.Bb2+–; 21.Ra8 Kc7 22.Nb5 Kb6 23.Rb8 Kc5 24.Ba3 Qb4 25.Bb4 Kb4 26.Qc3 Ka4 27.Ra1 Ba3 28.Ra3#) 1–0. Woelfelschneider,Peter (2155) – Klein,Gabi, remoteschach.de, 2005.

3.e3! e6

4.ab5 Bb7 5.c3 d5 6.d4 Nf6 7.Nf3 Qc8 8.Bd3 +/–.

4.ab5 c5?? 5.ba6+– cb4 6.Qf3 d5 7.Bb2 b3 8.cb3 Qb6 9.Bc4 Nf6 10.Bf6 gf6 11.Ne2 Nc6 12.Bd5 ed5 13.Qd5 Rd8 14.Qe4 Ne5 15.0–0 Qb3 16.d4 Bd6 17.de5 fe5 18.Nbc3 Qe6 19.f4 Rg8 20.Qh7 Qg4 21.Ng3 Rg7 22.Qh5 Qe6 23.fe5 Be5 24.Nf5 Bc3 25.Qh8 Kd7 26.Rfd1 Kc7 27.Qd8 Kc6 28.Rd6 Kc5 29.Qc7 Kb4 30.Rb1 Ka3 31.Qc3 Ka4 32.Qb4# 1–0. Trkn – Brillbilly, itsyourturn.com, 2000.

2.a4 Bb7

3.ab5 e6 4.c3 d5 5.Nf3 Nf6 6.d4 Bd6 7.Bg5 0–0 8.Nbd2 +/–.

3.ab5 h5 4.Nf3 h4 5.Na3 g6 6.Bb2 f6 7.Nc4 Bg7 (7...e5+–) 8.Na5 Bd5 9.c4 Be6 10.e3 d5 11.Nb7 Qd7 (11...Qc8 12.Nc5 Nh6 13.Bd3+–) 12.Nc5 Qd6 13.Ne6 Qe6 14.Bd3 dc4 (14...Rh6 15.Qc2 Nd7 16.cd5+–) 15.Bg6 Kf8 (15...Kd8 16.Qc2 Qg4+–) 16.Nd4 Qb6 17.Qg4 (17.Qg4 e6 18.Ne6 Ke7 19.Ng7+–) 1–0. b4_player – lester, casual, 2013.

3.c3 ba4 4.Qa4 e6 5.d3 c5 6.bc5 Bc5 7.e4 Ne7 8.Nf3.

3.c3 a5 4.ab5 ab4 5.Ra8 Ba8 6.Qa4 Bb7 7.Qb4 e6 8.Qb3.

3.d3 ba4 4.c3 e6 5.Qa4 c5 6.bc5 Bc5 7.Nf3 f5 8.Qc4.

3.d3 a5 4.ab5 ab4 5.Ra8 Ba8 6.e3 Nf6 7.Nf3 e6 8.Be2 =.

3.e3 ba4 4.Ra4 e5 5.b5 (5.Bb2 d6+=) 5...Nf6 6.c4 d5 7.cd5 Nd5 8.Nf3 Bd6 9.Bc4?? (9.d4 Nb6 10.Ra1 e4=) 9...Nf6?? (Better is 9...Nb6–+) 10.Bb2 Nbd7 11.Ng5 Bd5 12.Bd5+= Nd5 13.Qh5 g6 14.Qg4 Nc5–/+ 15.Ra3 Be7?? 16.Be5+/– Bf6? 17.Bf6 Qf6 18.Ne4 Qb2+/– 19.0–0?? Qb5?? 20.Nbc3 Nc3 21.Rc3 Ne6 22.Nf6 Kf8 23.Qc4 Qc4= 24.Rc4 Ke7 25.Nd5 Kd6 26.Nf4 Nf4 27.Rf4 f5 28.Ra1 Rhb8 29.Rfa4 Rb7 30.h3 c5 31.Kf1 Kc6 32.d4 cd4 33.Rd4 a5 34.Rc1 Kb6 35.Rb1 Ka6 36.Ra1 Rab8 37.Rd6 Rb6 38.Rb6 Rb6 39.Ra2 Rb4 40.Ke2 Kb5 41.Kd2 a4 42.Kc1 Rb3 43.Kc2 Kb4 44.Rb2 Ka3–+ 45.Rb3 ab3 46.Kb1 b2 47.f3=+ Kb3 48.e4 fe4 49.fe4 Kc4 50.e5?? Kd5–+ 51.e6 Ke6 52.Kb2 Ke5 53.Kc2 Kf4 54.Kd3 Kg3 55.Ke4 Kg2 56.h4 Kg3 57.h5 gh5 0–1. whhodson – lune, Live Game Caissa's Web, 2004.

3.ab5 a6

4.ba6 Ba6 5.d3 Nc6 6.c3 e6 7.Nd2 d5 8.Ra6! Ra6 9.b5 Ra1 10.bc6 Bc5? (Better is 10...Ba3 11.Nb3 Rb1+/–) 11.Nb3 Bf2 12.Kf2 Qf6 (12...Qh4 13.g3 Qa4 14.Ke1+–) 13.Nf3 Qc3 (13...Ra8+–) 14.Na1 Qa1 15.Qb3 Nf6 (15...f6 16.Qb8 Kf7+–) 16.Qb8 Ke7 17.Qc7 Nd7 18.Bg5 Kf8 19.Qd8# 1–0. Trkn – guest1612, ICC, 2004.

4.ba6 Na6 5.b5 Nb4 6.Ra8 Qa8 7.f3 e6 8.Bb2.

3.ab5 c6

4.bc6 Bc6 5.c4 d6 6.b5 Bd7 (6...Bb7 7.d3+/–) 7.Nc3 Qc7 (7...Nf6 8.e4+–) 8.e4 (8.e3 Qb7 9.Be2 e6+–) 8...Qc5 (8...Nf6+–) 9.d4 Qb4?? (9...Qc8+–) 10.Bd2 a6 (10...Bg4 11.Qg4 e6 12.Qd1+–) 11.Nd5 Qb2 12.Bc3 Qa1 13.Qa1 Kd8 (13...Ra7 14.Ba5 Nf6+–) 14.Qa5 Kc8 15.Qc7# 1–0. orane (2000) – cumalotforme, Live Game Caissa's Web, 2004.

4.bc6 Bc6 5.c4 e6 6.b5 Bb7 7.Nc3 d5 8.cd5 ed5 9.e3 Bd6 10.Ba3 Be5 11.Nf3 Bc3 12.dc3 Qa5 13.Qd4 Nf6 14.Qe5 Kd7 15.Bd3 Re8 16.Bf5 Kd8 17.Be7 Re7 18.Qd6 Rd7 19.Qf8 Kc7 20.Ra5 Rd8 21.Qc5 Bc6 22.bc6 Nc6 23.Nd4 Rd6 24.Nb5 Kb7 25.Nd6 Kc7 26.Nc8 Rb8 27.Qd6 Kb7 28.Rb5 Ka8 29.Qc6 Rb7 30.Qb7 1–0. wesolyPolak (1645) – cippus, GameColony.com, 2002.

3.ab5 e5

4.c3 d5 5.d4 e4 6.Nh3 Bd6 7.Bg5 f6 8.Bf4 g5 9.Bd6 Qd6 10.e3 h5 11.Be2 g4 12.Nf4 Nd7 13.h3 f5 14.hg4 fg4 15.Bg4 Ngf6 16.Bf5 0–0–0 17.Ra7 Qb6 18.Ra5 Kb8 19.Ne6 Rdg8 20.Nc5 Rg2 21.Bd7 Rhg8 22.Rf1 Nd7 23.Nd7 1–0. marus2 – spok, internet, 2001.

4.c3 Nf6 5.d4 ed4 6.Qd4 a6 7.ba6 Ra6 8.Ra6 Ba6 9.Qe5 Be7 10.e4 Nc6 11.Qf5 Bf1 12.Kf1 0–0 13.Nd2 Re8 14.Ne2 Bd6 15.h3 Re5 16.Qf3 Qa8 17.Qd3 Ne7 18.f4 1–0. themonkey – greg, GameColony.com, 2002.

2.a4 c6

3.Na3 e6 4.c3 (4.ab5 Bb4 5.e4 d5=) 4...a5 5.Qb3 (better is 5.ab5!? ab4 6.cb4 Bb4 7.Bb2=) 5...ab4–/+ 6.cb4 (6.Nc2 bc3 7.dc3 d5–/+) 6...Ra4 7.Nc2 Ra1 8.Na1 f5 (8...Na6 9.Nc2–/+) 9.Nc2 (9.Bb2 Nf6–/+) 9...Nf6 10.Nf3 (10.d4 Na6–/+) 10...Be7 11.e3 0–0 12.Be2 Bb7 (12...Na6 13.d4–/+) 13.0–0 Qb6 (13...Na6 14.Bb2–/+) 14.d4 (14.Bb2 Nd5–/+) 14...Qc7 15.Bb2 (15.Bd3 Qd6–/+) 15...Kh8 16.Ra1 ½–½. Franck,Mirko – Marquardt,Alexander, Schleswig Holstein–ch U17 VR2, 1997.

3.a5 e5 4.c3 +=.

3.Bb2 e6 4.ab5 cb5 5.e3 Bb7 (5...Bb4?? 6.Bg7 (6.Bb5?! Nf6+=) 6...Bb7 7.Bh8+–) 6.Nf3 (6.Bb5?? Bg2 (6...Bb4 7.Bg7 Nf6 8.Bh8 Bg2 9.Ra4+/–) 7.Bg7 Bg7–+ (7...Bh1?! 8.Bh8 Qg5 9.Ne2 Qb5 10.Ng3–+)) 6...a6 (6...Bb4?? 7.Bg7 (7.Bb5?! Nf6=) 7...a6 8.Bh8+–) 7.Be2 Nf6 (7...Bb4?? 8.Bg7 Nf6 9.Bh8+–) 8.0–0 (better is 8.c3!?=) 8...Bb4–/+ 9.Bc3 Bc3 10.Nc3 0–0 11.d4 Qc7 12.Na2 Nc6 13.c4 bc4 14.Bc4 d5 15.Bd3 h6 16.Rc1 Qd6 17.Qb3 Rfb8 18.Qc3 a5 19.Ne5 Ne4 20.Be4= de4 21.f3?? Nb4 22.Nb4–/+ ab4 23.Nc4 bc3 24.Nd6–/+ Ba6 25.Rf2 ef3 26.Rf3 Rb3 27.e4 f6 28.Rfc3+= Rc3 29.Rc3 Rd8 30.e5 fe5 31.de5 Rf8 32.Rf3 Rb8 33.Ra3 Rb6 34.Kf2 Bb7 35.g3 g5 36.Nb7 Rb7 37.Ra8 Kg7 38.Kf3 h5 39.Ra5 Kg6–/+ 40.Ra6 Kf5 41.Ra5 Rb3 42.Ke2 Ke4 43.Kd2 Rb2–+ (43...Rb2 44.Ke1 Rh2–+) 0–1. jboger (2100) – pushtiu (2330), net–chess.com, 2011.

3.c3 c6 4.ab5 cb5 5.Na3 a6 6.Nb5 Nc6 7.Nf3 a5 8.e4 Ba6 9.ba5 Na5 10.d4 Nf6 11.e5 Bb5 12.Bb5 Rb8 13.Qa4 Ne4 14.Qa5 Qc8 15.c4 Be7 16.0–0 Bd8 17.Qa3 Rb5 18.cb5 Be7 19.Qa8 Qa8 20.Ra8 Bd8 21.b6 0–0 22.b7 Bc7 23.Ba3 Rb8 24.Rc1 f6 25.Rc7 1–0. Bohnke,H (2005) – Dolezalova,M, 2002.

3.e3 a5 4.ab5 Qb6 5.bc6 dc6 6.ba5 Ra5 7.Ra5 Qa5 8.Nf3 e6 9.Be2 Nf6 10.0–0 c5 11.Na3 Bd7 12.Nc4+– Qc7 13.Bb2 Be7 14.Be5 Qd8 15.Nd6 Kf8 16.Ng5 Bd6 17.Bd6 Ke8 18.Bh5 g6 19.Qa1 Nc6 20.Ne4! e5 21.Bf3 Ne4 22.Be4 f6 23.Bc5 Kf7 24.f4 Re8 25.fe5 Re5 26.Bc6 Rc5 27.Bd7 Rc2 28.Qd4 Rc7 29.Be6! Ke8 30.Qf6 (30...Qf6 31.Rf6+–; 30.Bd5 Qd6+–) 1–0. Biaggi,Eduardo (2280) – Figueroa,Mario, Martinez Valle op2, 1993.

3.e3 Ba6 4.Nf3 Nf6 5.Nc3 ba4 6.Ba6 Na6 7.Ra4 Qb6 8.Na2 Qb5 9.c3 e6 10.Nd4 Qb6 11.Qe2 Nc7 12.Ra5 (12.e4 c5 13.bc5 Bc5=) 12...Rb8 (better is 12...c5!? 13.Nb3 cb4–/+) 13.Nb3= Nfd5 14.0–0 Bd6 15.Ba3 Nb5 16.Bb2 Nbc7 17.Ra1 0–0 18.Nac1 Rbc8 (18...a6 19.Nd3+/–) 19.Nd3 (19.e4 Nf4 20.Qe3 Qb8+–) 19...Rfd8 (19...Ra8 20.e4 Nf4 21.Qf3+/–) 20.Ndc5 (better is 20.Qf3!? Nf6 21.e4+–) 20...Bc5+= 21.Nc5 d6 22.Na6 e5 23.Nc7 Qc7 (23...Rc7 24.d3+=) 24.R1a4 (24.Ra7 Qb8+–) 24...Nf6 (24...Rd7 25.e4 Nf6 26.c4+=) 25.d4 (25.Ra7 Qb8+/–) 25...e4 (25...Ra8 26.c4 Nd7 27.de5 de5 28.Ra1+=) 26.c4 d5 27.c5 (27.Ra7 Qd6+/–) 27...Rb8 (27...Ra8 28.Bc3=) 28.Bc3 (28.Ra7!? Rb7 29.Rb7 Qb7 30.Qa6+/–) 28...Rb7= 29.g3 Qd7 30.Kg2 h5 31.h3 g5 32.Ra1 h4 33.g4 Ne8 34.f3 f5 35.fe4 fe4 36.Rf1 Qg7 37.Ra6 Rc7 38.Qf2 Qg6 39.Qf5 Qg7 40.Qe6 Kh8 41.Rc6 Rc6 42.Qc6 Rb8 43.Qd5 Nf6 44.Qe6 Rf8 45.d5 (45.d5 Kh7 46.Rf6 Rf6 47.Bf6 Qf6 48.Qf6 Kg8 49.d6 Kh7 50.d7 a5 51.d8Q ab4 52.Qdh8) 1–0. Zellmer,Gustav – Turek,Tomas, Guben op, 2003.

3.e3 Qb6 4.a5 Qc7 5.Bb2 e5 6.Nf3 d6 7.Be2 Nf6 8.c4 a6 (8...bc4 9.0–0=+) 9.0–0 Nbd7 (9...bc4 10.d3 cd3 11.Bd3–/+) 10.d4 (10.cb5 cb5 11.Na3 d5=) 10...ed4 (10...e4 11.Nfd2 bc4 12.Nc4=+) 11.Nd4 Qb7 (Better is 11...bc4 12.Qa4 d5=) 12.cb5+/– cb5 13.Bf3 d5 14.Nf5 g6? (14...Rb8 15.Bc3+/–) 15.Ng3?? (Better is 15.Nc3 Ne5 16.Bd5 Nd5 17.Nd5 Bf5 18.Nf6 Ke7 19.Nd5 Ke8 20.Be5+–) 15...Bb4+= 16.e4 de4? 17.Ne4!+– Qb8?? 18.Nf6 Nf6 19.Bf6 (19…0–0 20.Ba8+–) 1–0. CountFromHolland – HOTSUN, HCL–E816 playchess.de, 2003.

3.e3 d5 4.ab5+/– cb5 5.Bb5 Bd7 6.Qe2 (6.Be2 Nf6 7.Nf3 g6 8.Nc3 Bg7 9.b5 Ne4 10.Bb2 0–0) 6...e6 7.Bb2 (7.Bd7 Nd7 8.b5 Ngf6 9.Nf3 Bd6 10.Nc3 0–0) 7...Nf6 (7...Qc7 8.Nc3 Nf6 9.Nf3 Bb4 10.0–0 0–0) 8.Ra4 (8.Bd7 Nbd7 9.b5 Qc7 10.Nc3 Ne5) 8...Be7 (8...Bb5 9.Qb5 Nbd7 10.c3 Qb6) 9.Na3 (9.Nc3 a5 10.Ba3 Ne4) 9...0–0 (9...a5 10.Bf6 gf6) 10.Nf3 h6 (10...a5+/–) 11.Ne5 Be8 12.0–0 Qd6 13.f4 a6 14.Be8 Re8 15.b5 Rc8 16.g4 Ne4 17.f5 f6 18.Ng6 e5 19.b6 Nc5 (19...Qb6 20.Ne7 Double attack (20.Ne7 Deflection)) 20.Nc4 (20.Ne7?! Qe7 21.Ra5 Qb7=) 20...Qd8? (20...dc4 21.Ne7 Double attack) 21.g5 (better is 21.Ba3 Rc6 22.Ra5+–) 21...dc4= 22.Qc4 Kh7 23.Qf7 Na4 24.Ne7 Qe8?? 25.b7 Nb6 26.Qg6 Qg6+– 27.fg6 Kh8 28.Nc8 Nc8 29.bc8Q 1–0. Bettman,J (1870) – Van Heghe,Isabelle, 25th Open, Geraadsbergen BEL, 2009. (=1.e3 c6 2.b4 b5 3.a4)

3.e3 e5 4.ab5 cb5 5.Bb5 a6 6.Qf3 (6.Nf3 Bb7 7.Ba4 e4+/– (7...Nc6 8.Nc3 Bb4 9.Nd5 Bd6 10.Ba3 Ba3 11.Ra3 Nf6) 8.Nd4 Nc6 9.Bc6 dc6 10.Nc3 Nf6 11.0–0 Bb4; 6.Qh5 Bb7 7.Bc4 d5 8.Qe5 Be7 9.Be2 Nc6 10.Qb2 Nf6 11.Nf3 0–0) 6...Ra7 (6...Nc6 7.Bc6 dc6 8.Qc6 Bd7 9.Qd5+/– Nf6 10.Qe5 Be7 11.Nf3 0–0) 7.Qg3 (7.Nc3 Bb4 (7...Rb7 8.Ba4 Nf6 9.Qg3 Nc6 10.Nf3 Bb4 11.Bc6 dc6) 8.Qg3 (8.Nd5 Nf6 9.Nb4 Rb7 10.Bd3 Rb4 11.c3 Rb6) 8...Ne7+/– (8...Nc6 9.Nd5 Bf8 10.Bc6 dc6 11.Qe5 Ne7) 9.Qg7 Rg8 10.Qe5 ab5 11.Ra7 Nbc6) 7...f6 (7...Nc6 8.Bc6 dc6 9.Qe5 Be7 (9...Re7 10.Qc3 Nf6 11.Nf3 Qb6) 10.Nf3+– (10.Qg7? Bf6 11.Qg3 Ba1–+; 10.Bb2 Nf6 11.Nf3 0–0) 10...Nf6 11.Nc3 0–0) 8.Nc3+– Nc6 9.Ba4 Nb4 (9...Nge7 10.Nf3+– Nb4 11.0–0 Rb7) 10.Nge2 (10.Nf3 Ne7+– 11.0–0 Rb7) 10...g5 (better is 10...Ne7+– 11.0–0 Rb7) 11.h4 h6 (11...gh4 12.Qh4 h5+–) 12.hg5 Nc6 (12...a5 13.Rh5+–) 13.Qf3 Qe7 (13...Be7 14.Qh5 Kf8 15.Bb3+–) 14.Nd5 e4 (14...Qe6 15.gf6 Nb4 16.Nec3+–) 15.Qh5 Qf7 16.g6 Qg7 17.Bb2 Kd8 (17...Rb7 18.Ng3 Nce7 19.Ne7 Ne7 20.Ne4 Qg6 21.Nd6 Kd8 22.Qg6 Ng6 23.Bf6 Kc7 24.Nb7 Bb7 25.Bh8 Nh8 26.Bb3+–) 18.Ng3 Ne5 19.Nf4 Ne7 20.Ne4 Rg8 (20...Rb7 21.Bc3 N7g6 22.Nd5+–) 21.Bb3 d5 22.Nc5 Qh8 23.Nfe6 Be6 24.Ne6 Kd7 25.Bd4 Ra8 26.Nf4 Kd6 27.Ra5 Kc7 28.Bd5 Nd5 29.Nd5 Kc6 30.Qf5 Qg7 31.Qe6 Bd6 32.Rc5 Kb7 33.Qd6 Rac8 34.Qb6 Ka8 35.Qa6 Qa7 36.Rc8 Rc8 37.Qa7# 1–0. Trokenheim,Marek (2175) – Korn,Lothar, remoteschach.de, 2010.

3.e4 ba4 4.c4 (4.Ra4 d5+=) 4...e6 (4...e5 5.Qa4 Nf6 6.Nf3+=) 5.c5 (5.Ra4 Nf6 6.e5 Ng8+/–) 5...d6 6.d4 dc5 7.dc5 Qd1 8.Kd1 Nf6 9.Nc3 Nbd7 (9...e5 10.Bc4=) 10.Nf3 (10.Ra4 Rb8=) 10...Bb7 11.Bd3? (11.Ra4 Be7+=) 11...Rd8 (11...a5 12.Ra4 ab4 13.Rb4 Nc5 14.Ke2–/+) 12.Ke2 (12.Ra4 Nc5 13.bc5 Rd3 14.Kc2 Rc3 15.Kc3 Bc5 16.Be3 Be3 17.fe3+=) 12...Ng4 (12...a5 13.Ra4 ab4 14.Rb4 Nc5 15.Rd4–/+) 13.Bb2 (13.Na4 Rb8+=) 13...Nde5 (better is 13...a5 14.Na4 ab4+=) 14.Rad1?? (better is 14.Ne5 Ne5 15.Bc2+=) 14...Nd3–+ (14...Rd3?! 15.Ne5 Ne5 16.Rd3–+) 15.Na4 Ndf2 16.Rd8 Kd8 17.Re1 Kc7 18.h3 Ne4 19.hg4 f5 20.Be5 Kc8 21.Rd1? fg4–+ 22.Nd4 Ng5 23.Ke3 h5 24.Kf4 Be7–+ 25.Bg7 Rh7 26.Be5 Rf7 27.Ke3 h4 28.Nb2 h3 29.gh3 gh3 30.Nc4–/+ Rh7 31.Bh2 Rh4 32.Nd6 Bd6–+ 33.cd6 Kd7 34.b5?? cb5 35.Nb5 a6 36.Rc1 Bc6 37.Na7 Re4 38.Kf2 Bb5?? 39.Rc7= Kd8 40.Nc6?? Bc6–+ 41.Rc6 Ra4 42.Rb6 Ra3 43.Rb8 Kd7 44.Rb7 Kd8?? 45.Rb8= Kd7 46.Rb7 ½–½. alaamattar (2245) – grahamtrue (2110), net–chess.com, 2008.

3.e4 Bb7 4.d4 +=.

3.Na3 a5

4.ba5 ba4 5.Nc4 =+.

4.ab5? ab4 5.c4 ba3 –+.

4.ab5? ab4 5.c4 Ra3?! 6.Ba3 ba3 7.Ra3 –/+.

3.a5 a6

4.Bb2 e6 5.e4 d6 (5...Bb4?? 6.Bg7 Nf6 7.Bh8+–) 6.d4 (6.Nf3!?=) 6...d5+= 7.Bd3 Bb4 8.c3 Ba5 9.e5 Bb7 10.f4 Nh6 11.Nf3 Nd7 12.0–0 Bb6 13.Kh1 (13.Ng5 g6–/+) 13...a5 (13...0–0!?–+) 14.Ng5–/+ White prepares f5 14...a4 (14...g6!?–/+) 15.Ba3 Bc7?? (better is 15...c5=) 16.Ne6?? (better is 16.Qh5 Nf8 17.f5 ef5 18.Bf5+–) 16...fe6–+ 17.Qh5 White prepares f5 17...Nf7 18.f5 Nf8?? (better is 18...Qg5 19.Qh3 Nfe5 20.fe6 Nd3 21.ed7 Kd8 22.Qd3 b4–+) 19.fe6+– g6 20.Bg6 hg6 (20...Ng6?? 21.ef7 Kd7 22.Qg4) 21.ef7 (21.Qh8 Qe7 (21...Nh8?? 22.Rf8) 22.Rf7 0–0–0 23.Be7 Ne6 24.Bd8 Nd8 25.e6 g5 26.e7 Ba8 27.ed8Q Bd8 28.Qe8 a3 29.Qd7 Kb8 30.Qd8) 21...Kd7 22.Qh8 Ba6 (22...b4 23.Bb4 c5 24.Bc5 Be5 25.Qe5 Ra6 26.Ra4 Re6+–) 23.Qh3 Ne6 24.f8Q Qf8 25.Bf8 Re8 26.Rf7 Kd8 27.Nd2 (27.Bd6 Bb6 28.Qh7 Kc8+–) 27...Bc8 28.Qf3 (better is 28.Bg7 Bd7 29.Bf6 Kc8+–) 28...Bd7 29.Bb4 g5 30.Nf1 (30.Rh7!? Nf4 31.g3 Rg8+–) 30...Nf4 31.Ne3 Be6 32.Rf6 Kd7 33.Nf5 Bd8 34.Nd6 (better is 34.Re6 Re6 35.g3 Rg6+–) 34...Rg8 35.Re6! Ke6 (35...Ke6 36.Qg4 Double attack; 35...Ne6 36.Qf7 Double attack) 36.g3 (36.Qg4 Ke7 37.Qf5 Bc7 38.Qf7 Kd8 39.Qg8 Kd7 40.Qe8) 36...Ng6 37.Qf7 1–0. mbarker (2410) – grahamtrue (2165), net–chess.com, 2015.

4.Bb2 f6 5.e3 e5 6.c3 Ne7 7.d4 Nf5 (7...d5 8.de5 fe5 9.e4=) 8.e4+= Nd6 9.Nd2 Qe7 10.de5 fe5 11.Be2 Nc4? (better is 11...Bb7+=) 12.Bc4+– d6? (better is 12...bc4 13.Nc4 Bb7+–) 13.Bb3 Be6 14.Ngf3 Bb3 15.Qb3 Nd7 16.0–0 0–0–0 (16...g5 17.c4+–) 17.c4 h6 (17...Qf7 18.Rfc1 Kb8 19.Qd3+–) 18.cb5 cb5 19.Rac1 Kb7 (19...Kb8+–) 20.Qd5 Ka7 21.Rc7 Kb8 1–0. marekt – edog13, ChessWorld.net, 2015.

4.d4 d5 5.c3 Bf5 6.Bf4 Nf6 7.Nd2 e6 8.Ngf3 Bd6 9.Bd6 Qd6 10.Ne5 Ne4 11.Ne4 Be4 12.f3 Bg6 13.Ng6 fg6 14.e4 0–0 (better is 14...de4!? 15.fe4 0–0=) 15.e5+/– Qe7 16.Be2 Qg5 17.Kf2 Nd7 18.Qd3 Rf5 19.h4 Qg4 20.Raf1 Raf8 (20...Rf7 21.g3+/–) 21.Ke1 Qf4+= 22.Rh3 g5? 23.hg5 Qg5?? 24.f4?? Qg6? 25.Bh5?? Qg2 26.Be2 g6 27.Rg3 Qe4 The backward pawn on f4 becomes a target 28.Qe4+/– de4 29.Rg4?? R8f7 30.Kd2 Kg7 31.Ke3 h5 32.Rh4+/– Nf8 33.Ke4 Nh7 34.Rg1 Kh6 35.Rgh1 Kg7 36.Rg1 g5?? 37.fg5 Kg6?? 38.Bh5 Kg7 39.Bf7 Ng5 40.Rg5! Rg5 41.Be6 Rg3 42.Rg4 Rg4 43.Bg4 Kg6 44.Kf4 Kf7 45.Kf5 Ke7 46.Kg6 Kf8 47.Kf6 Ke8 48.e6 Kf8 49.Bh5 c5 50.e7 Kg8 51.Bg6 Kh8 52.e8Q# 1–0. Baer,Cy (1895) – Tortoza,Carlos, CiF, 2008.

4.e3 e6 5.c3 Nf6 6.Nf3 Be7 7.Be2 0–0 8.0–0 d5 9.Na3 (9.d4 Qd6=) 9...c5+= 10.Nc2 c4 11.d3 Nc6 12.Ncd4 Nd4 13.Nd4 (13.ed4 Qc7=) 13...Bd7 14.Bb2 Rc8 15.dc4 dc4 16.Qc2 Bc6 17.Nc6 Rc6 18.Rad1 Rd6 19.Rd4 Rd4 20.ed4 Qc7 21.g3 Qc6 22.Re1 Qe4 23.Qd1 Bd6 (23...Qg6!?=) 24.Bf3 Qd3 25.Qd3 cd3 26.Rd1 e5? 27.Rd3?? e4–/+ 28.Be4 Ne4 29.f3 Nf6 30.Kf2 Re8 31.Re3 Kf8 32.Re8 Ke8 33.Ke3 Ke7 34.Ba3 Ke6 35.Kd3 g5 36.c4 bc4–+ 37.Kc4 g4 38.f4–/+ Kd7 39.Bb2 Ne4 40.Bc1 Kc6 41.d5 Kc7 ½–½. Peter,Falco – Hirschberg,Leander, Karl Mala mem op 9th, 2005.

3.a5 Na6

4.c3 e5 5.e3 Bd6 6.Bb2 f6 7.Bd3 (7.Na3 Bc7=) 7...f5 (7...Ne7!?=) 8.Bf5+/– Nf6 9.Nf3 g6 (9...Bc7 10.d3+/–) 10.Bc2+/– Bc7 11.d4 Bd6?? (better is 11...e4 12.Ne5 0–0+/–) 12.de5+– Bc7 (12...Be7 13.ef6 Bf6 14.Nd4+–) 13.ef6 Rf8 (13...d5 14.f7! Kf7 15.Nbd2+–) 14.Nbd2 Rf6 (14...d5 15.e4 Qf6 16.0–0+–) 15.Ne4 Be5 (15...Rf5 16.Nd6 Bd6 17.Qd6 Qf6+–) 16.Ne5 1–0. Janek – greyowl, internet, 2016.

4.c3= Nf6 5.d4 =.

4.c3= g6 5.e4 (5.d4 Nf6=) 5...Bg7 (5...Nf6 6.e5 Nd5 7.d4=) 6.d4 e5 (6...Nf6 7.Bd3=) 7.Ba3 (better is 7.de5!? Be5 8.Bb5 cb5 9.Qd5+/–) 7...Nf6 (7...ed4 8.cd4 Qe7 9.Nc3+=) 8.de5= Ne4 9.Qd4 (9.Bd3 d5 10.ed6 Nc3+=) 9...d5+= 10.Bd3 (10.f3 Nd6 11.Bc1+=) 10...Nd6 (10...Bf5 11.Nf3+=) 11.Nf3= 0–0 (11...Bf5 12.Nbd2=) 12.0–0 (12.Bc1 Nf5 13.Bf5 Bf5=) 12...Re8 (12...Nf5 13.Qf4=) 13.Re1 (better is 13.Bc1=) 13...Bg4?? (13...Nf5 14.Qf4=) 14.Nbd2 (better is 14.Qg4 Nc4 15.Bc4 dc4 16.Bc1+–) 14...f5 (14...Bf5 15.Rad1+=) 15.h3 Bf3 16.Nf3 Qc7?? 17.Re2?? Rad8?? 18.Rae1?? Nc4= e5 becomes the focus of attention 19.Bc1 c5+= 20.bc5 Nc5 21.Bg5 Rd7 22.Ra1?? Nb3–+ 23.Rd1 Nd4 24.Nd4 Re5 25.Bf4 Rde7 26.Bc4 Qc4 27.Re5 Be5 28.Re1 Qc3 29.Re5 Qd4 30.Re7 Qf4 31.Ra7 b4 32.Rb7 Qc1 33.Kh2 Qa3 34.Rb5 b3 35.Rd5 b2 36.Rb5 Qa2 37.a6 b1Q 38.Rb7 Qb7 39.ab7 Qa7 (39...Qa7 40.Kg1 g5–+) 0–1. grahamtrue (2110) – vpccosta (2165), net–chess.com, 2008.

3.ab5 cb5

4.Na3 a6 5.Nb5+/– Nc6 6.c3 Bb7 7.Na3 Nf6 8.Nf3 g6 (8...e5 9.Nc4 e4 10.Ng5+=) 9.Bb2 Bg7 10.d4 Ne4 11.e3 0–0 12.Bd3 Nd6 (12...d5 13.0–0+/–) 13.0–0 e5 14.de5 Ne5 15.Ne5 Be5 16.f4 Bg7 17.Bg6 Ne4 (17...Qb6!? 18.Bc2 a5+/–) 18.Bf5+– d5 19.Qh5 h6 20.Qg4 Qf6 (20...Kh8 21.Be4 de4 22.Rfd1+–) 21.Be4 de4 22.Rf2 Qg6 23.Qg6 fg6 24.c4 Bb2 25.Rb2 Rad8 26.b5 Rd3 27.ba6 Ba6 28.Rb6 Bc8 29.Rg6 Kh7 30.Rg3 (30.Rc6 Re3 31.Nb5 h5+–) 30...Rfd8 (30...Be6 31.Nc2 Bc4 32.Nd4+–) 31.Nb5 Rd1?! (31...Be6 32.Nd4 Bc4+–) 32.Rd1 Rd1 33.Kf2 Rd2 34.Ke1 Rc2 (34...Rd3 35.Nc7+–) 35.Kd1 (35.Nd6!? Be6+–) 35...Rc4 36.Nd6 Rc5 37.Ne4 Rd5 (37...Rf5 38.Kc2+–) 38.Ke1 Rd8 (38...Rf5 39.Nd6 Rf8 40.e4+–) 39.Nf6 Kh8 40.e4 Bb7 (40...Ba6 41.Rg6+–) 41.Rg6 (better is 41.e5 Bc8+–) 41...Rf8 (41...Be4 42.Ne4 Re8+–) 42.e5 (42…Ba8 43.f5 Rf6 44.Rf6+–) 1–0. tromar (1970) – rishikesh (1735), GameColony.com, 2002.

4.Na3 a6 5.Nb5 d6 6.e4 Bb7 7.Nc3 a5 8.ba5 Ra5 9.Ra5 Qa5 10.Bb5 Bc6 11.Bc6 Nc6 12.Nf3 e6 13.0–0 Qa1 (13...Nf6!?+/–) 14.Qe2+– Qa7 15.Bb2 Be7? (better is 15...Nf6+–) 16.Nb5 Qd7 17.Bg7 Bf6 18.Bh8 Bh8 19.d4 e5 (19...Na7 20.c4+–) 20.Ra1 (better is 20.de5 Ne5 21.Ne5 Be5 22.f4+–) 20...Qd8 (20...ed4 21.Ra8 Nd8+–) 21.Ra8! Qa8 22.Nc7 Kd7 (22...Ke7 23.Na8 Nd4 24.Qc4 Nf3 25.gf3+–) 23.Na8 Nd4 (23...ed4 24.Qc4 Nge7 25.Qf7+–) 24.Nd4 ed4 25.Qg4 Ke7 26.Qg8 Be5 (26...Kd7 27.Qf7 Kc6 28.Qd5 Kd7 29.Qb7 Ke8 30.Qc8 Ke7 31.Qh8 Kf7 32.Qh7 Ke8 33.Nc7 Kd8 34.Nd5 d3 35.Qe7 Kc8 36.Qc7) 27.Nc7 Kf6 (27...Bh8 28.Nd5 Kd7 29.Qf7 Kc6 30.Qc7 Kb5 31.Qb6 Kc4 32.Qc6) 28.Nd5 Ke6 29.Qe8 1–0. market (1830) – Streiff (1620), GameColony.com, 2002.

4.Bb2 Bb7 5.Nf3 h6 6.e4 e6 (6...a6!?+=) 7.Bb5+/– Nc6 8.Bc6 (8.0–0!?+/–) 8...Bc6 (white timed out). chessxliv (2140) – valerypavlovich (2100), net–chess.com, 2014.

4.Na3 e5 5.c3 +=.

4.Bb2 Nc6+= 5.c3 (5.Nc3 Rb8+=) 5...d5 (5...a5 6.Nf3=) 6.e3+= a6 (6...Qb6!?+=) 7.Bb5!+/– Bb7 (7...ab5 8.Ra8 Pinning (8.Ra8 Deflection)) 8.Ba4 e5 (8...e6 9.Nf3 Nf6 10.Na3+/–) 9.Qh5 (9.Nf3 Bd6 10.c4 dc4+/–) 9...Qc7 (better is 9...Bd6!?+=) 10.Nf3+/– g6? (better is 10...e4 11.Qe5 Qe5 12.Ne5 Nge7+/–) 11.Qg4?? (11.Qe5! Qe5 12.Ne5 Nge7+–) 11...f5? (better is 11...Bg7+=) 12.Qg3+– 0–0–0 13.0–0 Bg7 14.d4 Re8? 15.Bc6 Qc6 16.Nbd2 e4 17.Ne1 Nf6+/– 18.Nb3 Nh5 19.Qh3 Kb8 20.Nc5+– Bf8 21.g4 fg4+/– 22.Qg4 Bc8 23.Qe2 Bc5 24.bc5 Bh3?? 25.Ra6+– Qd7 26.Rb6 Kc8 27.Qa6 Kd8 28.Rd6 Bf1 29.Rd7 Kd7 30.Qd6 Kc8 31.Kf1 Rd8 32.Qa6 Kd7 33.Qd6 Kc8 34.Qe6 Kc7+– 35.Nc2 Ng7 36.Qb6 Kc8 37.c6 Rd6 38.Qb7 Kd8 39.Qg7 Re8 40.Nb4 Re7 41.Qf8 Kc7 42.Qe7 Kb6 43.Qd6 g5 44.c7 Kb7 45.Qd8 Kb6 46.Qb8 Ka5 47.Nc6 Ka4 48.Qb4# 1–0. Baer,Cy (1895) – Tortoza,Carlos, CiF, 2009.

4.c3 Bb7 5.Nf3 Nc6 6.e4 a6 7.d4 Nf6 8.Bd3 e6 9.0–0 d6 10.Bg5 h6 11.Bf4 e5 12.de5 de5 (better is 12...Nh5!? 13.Be3 de5+/–) 13.Ne5+– Ne5 14.Be5 Ng4 15.Bd4 h5 16.f3 Nf6 17.Qe2 Bd6?? (17...Qc7+–) 18.e5 (18…Qe7 19.Re1 Be5 20.Be5+–) 1–0. Marre – jasiek50, zagraj.pl, 2003.

4.c3 d5 5.e4 de4 6.Bb5 Bd7 7.Bd7 Nd7 8.Ne2 (8.d3 a5 9.ba5 ed3 10.Qd3 Ra5 11.Ra5 Qa5=) 8...Ngf6 9.0–0 e6 10.Qa4 (10.d4 Bd6=) 10...Be7 (10...Bd6 11.Ba3=+) 11.Nd4 0–0 (11...Bd6 12.Qa6 Qb8 13.h3=) 12.Nc6 Qe8 13.Na7 (better is 13.Rd1!?=) 13...Bd6=+ 14.Qa6 Bb8 (14...Qb8 15.d3 Bh2 16.Kh1 Bc7–+) 15.Qb7= Ba7 16.Ra7 Ra7 17.Qa7 Qb8 (17...Ne5!?=) 18.Qb8+= Rb8 19.Rd1 Nb6 (19...Ra8 20.d4 ed3 21.Na3+= (21.Rd3? Ra1–+)) 20.Kf1 Nc4 21.Na3 Ne5 22.Nc2 (22.d4 Nd3 23.Be3 Nd5+/–) 22...Nd3 23.h3 Rd8 24.Ba3 h6 25.g3 Ne8 26.Ke2 Nd6 27.Ne3 f5 28.Rb1 Nb5 29.Bc1 g6 30.h4 (30.Bb2 Nd6+/–) 30...h5 31.Nd1 Nc1 (31...e5!?+=) 32.Rc1+/– Nd6 33.c4 Rb8 34.b5 Nb5 (better is 34...Rc8 35.b6 Rc6+–) 35.cb5 Rb5 36.Rc7 Rb6 37.Ne3 Kf8 38.Nc4 Ra6 (38...Rb5+–) 39.Ne5 (39...Kg8 40.Ng6+–) 1–0. Ritschel,Stephan – Guggenberger,Simon, RSS7E easy–2, 2003.

4.c3 e5 5.Nf3 d6 6.e4 f5 (better is 6...Qb6!?) 7.Bb5+– Bd7 8.Qe2 fe4 9.Qe4 Bb5 10.Qa8 Nf6 11.Qa7 Ne4 (11...Nd5 12.Qa5 Nc7 13.d4+–) 12.Na3 Qh4 (12...Bd7+–) 13.Nh4 (13...Bd7 14.Qb8 Kf7 15.Nc4+–) 1–0. Trkn – guest4231, ICC, 2005.

4.Nc3 a6 5.Nb5+/– Qb6 6.e3 Nc6 7.c3 Bb7 8.Na3 Nf6 9.Nc4 Qc7 10.Nf3 d5 (10...e5 11.Na5+/–) 11.Na5 e6 (better is 11...Na5!? 12.Ra5 Nd7+/–) 12.Nb7+– Qb7 13.Qa4 Be7?? (13...Nd7+–) 14.Ne5 (14.Ne5 0–0 15.Nc6+–; 14.Ba6?! Qd7+–) 1–0. Woelfelschneider,Peter – McGuire, 2009.

4.Nc3 a6 5.Nb5 Qb6 6.e3 Nc6 7.c3 Bb7 8.Na3 Nf6 9.Nc4 Qc7 10.Nf3 d5 11.Na5 e6 12.Nb7 Qb7 13.Qa4 Be7? (13...Nd7+–) 14.Ne5 (14.Ba6?! Qd7+–) 1–0. Schellen,Anton – Mcguire,Paul, SN–2009–0–00170, 2009.

4.Nc3 a6 5.Nb5 Bb7 6.Na3 d5 7.Nf3 Nc6 8.c3 e5 9.Qa4 Bd6 10.Nc2 (10.c4 Nf6+/–) 10...Nge7 11.g3 0–0 12.Bg2 e4 (12...Nc8 13.Qb3+=) 13.Nfd4 f5? (better is 13...Nd4 14.Nd4 Be5+=) 14.Ne6+– Qb6 15.Nf8 Kf8 16.0–0 Ng6 (16...d4 17.Bb2+–) 17.d3 Nge5 18.Be3 h6 (18...Qc7+–) 19.Bb6 1–0. Richter,Wolfgang (2315) – Tortoza,Carlos, CiF, 2009.

4.Nc3 a6 5.Nb5 Nc6 6.c3 Bb7 7.Na3 Qb6 8.Nf3 d6 9.Nc4+– Qc7 10.Qa4 Nf6 11.Na5+– Nd7 12.Nb7 Qb7 13.b5! Ncb8 14.d4 g6 15.e3 Nb6? 16.ba6 Qd7 17.Qa5 Nd5 18.Qd5 Qa7 19.Bb5 Nd7 20.Bd7 Kd7 21.Ne5 Kc7 22.Qc6 Kd8 23.Nf7# 1–0. Buettner,Fritz (2415) – Tortoza,Carlos (1685), CiF, 2010.

4.Nc3 Ba6 5.e3 e6 6.Qf3 Nc6 7.Ra6 Nb4 8.Bb5 Na6 9.Ba6 Nf6 10.Nge2 Be7 11.e4 0–0 12.e5 Nd5 13.Nd5 ed5 14.Qd5 Qb6 15.Bd3 Rfc8 16.Qd7 Rc7 17.Qh3 Qb1 18.Qh7 Kf8 19.Qh8 1–0. Haertig,Manfred – Daum,Matthias, CM02KT3#20 (year?).

4.Nc3 Ba6 5.e4 e5 6.Qh5 Qe7 7.Nb5 Bb5 8.Bb5 Nf6 9.Qf5 g6 10.Qf3 Bg7 11.Ba3 0–0 12.Bc4 d6 13.Ne2 Nc6 14.0–0 Nd4 15.Nd4 ed4 16.d3 Rae8 17.b5 d5 18.Be7 Re7 19.ed5 Rfe8 20.Ra6 Bh6 21.Rf6 Bc1 22.d6 1–0. marekt – MatthewThomas, ChessWorld.net, 2003.

4.Nc3 e5 5.Nb5 Bb4 6.c3 += (worse is 6.Ra7 Ra7 7.Na7 Ba6+=; worse is 6.Na7 Bc5–/+).

4.e3 e5 5.Bb5 Bb4 6.Ba3 Ba3 7.Na3 Bb7 8.Nf3 Qe7 9.Nc4 e4 10.Nd4 Nc6 11.Nf5 Qc5 (11...Qg5 12.Ncd6 Kf8+–) 12.Qg4 g6 13.Nfd6 Kf8 14.Qd7 Nf6 (14...Nge7+–) 15.Qf7 (15.Nb7?! Qb5 (15...Nd7?? 16.Nc5 Nc5 17.Bc6+–) 16.Qf7 Kf7 17.Nbd6 Ke7 18.Nb5 a6+–) 1–0. b4_player – bambi, casual, 2013.

4.e3 e5 5.Bb5 Bb7 6.Qg4 +=.

4.e3 e5 5.Bb5 Nf6 6.Nf3 (6.c3 Bb7 7.Nf3 a5+/–) 6...Qc7 (6...e4 7.Nd4+=) 7.Bb2 Bd6 (7...e4 8.Be5 Qb6 9.Nd4 Bb4 10.f3+/–) 8.Na3 Bb7 (8...e4 9.Bf6 gf6 10.Nd4+/–) 9.Be2 1–0. pierre – shibumi64, internet, 2012.

4.e3 e6 5.Nc3 a6 6.Nb5 Bb4 (6...Bb7!? 7.Na3 Bb4+=) 7.Qg4+/– f5?? (better is 7...Be7 8.Bb2 Nf6 9.Qg7 Rg8+/–) 8.Qg7+– Qf6 9.Bb2 Qg7 10.Bg7 1–0. b4_player – jan, internet, 2013.

4.e4 a5 5.Bb5 Bb7 6.Bc4 e6 7.d3 Bb4 8.c3 Bd6 9.Qg4 g6 10.Ba3 h5 11.Qh3 Ba3 12.Na3 Nh6 13.Rb1 Nc6 14.Rb7 Rb8 15.Rb5 Qe7 16.Rb8 Nb8 17.Nc2 0–0 18.Ne2 Nc6 19.Rf1 Ne5 20.Bb3 Nd3 21.Qd3 d5 22.ed5 ed5 23.Bd5 Rd8 24.Qg6 1–0. mtrold1 – opponent, internet, 2001.

4.e4 a6 5.Bb5 e5 6.c3 Bb7 7.Bd3 a5 8.Qh5 g6 9.Qe5 Be7 10.Qh8 ab4 11.Qg8 Bf8 12.Ra8 Ba8 13.Qh7 Qe7 14.f3 bc3 15.Nc3 Nc6 16.Nd5 Qe5 17.Bc4 Qa1 18.Ne2 1–0. COMP – tst1, internet, 2001.

4.e4 Nc6 5.Bb5 a6 6.c3 Qb6 7.Ba4 Nf6 8.d3 e5 9.Na3 d6 10.Be3 Qb7 11.Nc4 Be7?? 12.Na5 Qb6 13.Bb6 Rb8 14.Bc6 Nd7 15.Bc7 Bd8 16.Bb8 0–0 17.Bd6 Re8 18.Nc4 (18...Bf6 19.Nf3+–) 1–0. marekt – mgb, ChessWorld.net, 2004.

4.e4 e5 5.Nf3 Bb4 6.Bb5 Nc6 7.c3 Bd6 8.Na3 Bb7 9.Nc4 Bc7 10.Ba3 d6? (better is 10...Qf6!?+=) 11.d4+– ed4 12.cd4 Nge7? (better is 12...a6 13.Ba4 Kf8+–) 13.d5 a6 14.dc6 ab5 15.cb7 bc4 (15...Rb8 16.Nd6 Bd6 17.Qd6 Rb7 18.Qd8 Kd8 19.Ng5+–) 16.ba8R Qa8 17.0–0 0–0 18.e5 Nc6 (18...Bd8 19.ed6 Nc6 20.d7+–) 19.Bd6 Bd6 (19...Qd8 20.Bf8 Kf8 21.Qd8 Bd8+–) 20.Ra8 Ra8 21.ed6 1–0. Fritz11 – anony, internet, 2013.

4.e4 e5 5.Nf3 Bb4 6.Bb5 Qf6 7.0–0 Ne7 (7...Nc6 8.Bb2) 8.c3+/– Bc3?? (better is 8...Bc5) 9.Nc3 Qb6 (9...Nbc6 10.d3+–) 10.Ne5 Bb7 11.d4 0–0 12.Ba3 (12.Nd7?! Nd7 13.Bd7 Qc7+–) 12...Re8 (12...Rc8 13.Bc4 d5 14.Rb1+– (< 14.Be7 dc4 15.Bc5 Qe6+–)) 13.Nf7! Kf7 (13...Rc8 14.Bc5 Rc5 15.dc5 Qc5 16.Qb3+–) 14.Bc4 Kf8 15.Qf3 (15.Nd5 Qg6 16.Qf3 Qf7 17.Ne7+–) 15...Qf6 (16.Qf6 gf6+–). Gervie – crome, ChessWorld.net, 2005.

4.e4 e5 5.Nf3 Bb4 6.Ne5 Qe7 7.Bb2 f6 =.

4.Nf3 Bb7 +=.

4.e3 a6??

5.Bb5! Qb6 6.c4 Bb7 7.Ba4 Qb4 8.Nf3 Nc6 9.Qb3 e6 10.0–0 Na5 11.Qb4 Bb4 12.Ne5 Rd8 13.d4 f6 14.Nd3 Be7 15.Bd7 Rd7 16.Ra5 Rc7 17.c5 Be4 18.Nf4 Bb1 19.Ne6 Rc6 20.Ra6! Ra6 21.Nc7 Kf7 22.Na6 Bd3 23.Nb4 Bf1 24.Kf1 Nh6 25.Nd3 Ra8 26.Bb2 Ng4 27.h3 Nh6 28.Ke2 Ra2 29.Kd2 Bd8 30.Kc3 Ba5 31.Kb3 Rb2 32.Nb2 Nf5 33.Nc4 Be1 34.c6 Ne7 35.f3 Nc6 36.d5 Ne5 37.Nd6 Kg6 38.f4 Nf7 39.f5 Kg5 40.Nf7 Kf5 41.Nd6 Ke5 42.Ne8 g5 43.Kc4 Bd2 44.e4 h5 45.Kd3 Ba5 46.Ke3 Bb6 47.Kf3 f5 48.ef5 Kf5 49.g4 Kg6 50.Ke4 Kf7 51.Nd6 Ke7 52.Nc8 Kf6 53.Nb6 hg4 54.hg4 Ke7 55.Ke5 Kd8 56.Kd6 Ke8 57.Kc7 Ke7 1–0. Trkn – benj, itsyourturn.com, 2000.

5.Bb5! Qb6 6.Be2 Bb7 7.Nf3 e6 8.c3 Nf6 9.0–0 Be7 10.d3 d5 11.Nbd2 Nbd7 12.Nb3 0–0 13.Na5 Rab8 14.Nb7 Rb7 15.Nd4 Rc8 16.Bb2 g6 17.f4 Bd6 18.Bf3 Ra8 19.Qd2 e5 20.fe5 Ne5 21.Bd1 Ned7 22.Ba4 Rd8 23.Bc6 Rc7 24.Bd7 Nd7 25.Ra5 Nf6 26.Rf6 Qb7 27.Qf2 Be5 28.Rfa6 Rd6 29.Rd6 Bd6 30.Nb5 1–0. Andersson,Egart – Kimse,Martin, EK 0513 (year?).

5.Bb5! Bb7 6.Bf1 e5 7.b5 ab5 8.Ra8 Ba8 9.Bb2 Nc6 10.Nc3 (10.Bb5?! Qb6 11.c4 Na7+=) 10...b4 11.Nb5 Nf6 12.Qa1 Be7? (better is 12...Bc5 13.Be5 0–0+/–) 13.Qa8!!+– (13.Be5?! Ne5 14.Qe5 0–0+=) 13...Qb8 (13...Qa8 14.Nc7 Double attack (14.Nc7 Decoy)) 14.Qb8 Nb8 15.Be5 0–0 16.Nf3 Nd5 (16...Nc6 17.Bd3+–) 17.Bc4 Nb6 18.Bb3 Nc6 19.Ke2 Na5 (19...d5 20.Bc7 Nc4 21.Ra1+–) 20.Ra1 Nb3 21.cb3 f6 (21...Ra8 22.Ra8 Na8 23.Kd3+–) 22.Bd6 Re8 (22...Kf7 23.Ra6 Nc8 24.Bg3+–) 23.Nc7 Rc8 24.Be7 Rc7 25.Bd8 Rb7 26.Ra6 Nd5 27.Rd6 Rb5 (27...Rb8 28.Rd7 Nb6 29.Rd4+–) 28.Rd7 1–0. Heini – chessenemy, internet, 2016.

5.Bb5! Bb7 6.Bf1 e5 7.c3 d5 8.d4 e4 9.Nd2 Nf6 10.Nb3 Nc6 11.Nc5 Bc8 (better is 11...Bc5!? 12.dc5 Qc7+/–) 12.Qa4+– Bc5?? (better is 12...Qb6+–) 13.Qc6 (13.bc5?! Bd7+=; 13.dc5?! Bb7+/–) 13...Bd7 14.Qc5 Rc8 15.Qa5 Qe7 (15...Rc3 16.Qd8 Kd8 17.Bd2+–) 16.Ba6 Rc3 17.Ba3 0–0 (17...Rc2 18.b5 Qd8 19.b6+–) 18.b5 Ra3 19.Qa3 Qa3 (19...Qe6 20.Ne2+–) 20.Ra3 Ra8 21.Rb3 h5 22.b6 Ba4 (22...Bc6 23.Rc3 Ra6 24.Rc6 Ra1 25.Kd2+–) 23.b7 Rb8 24.Rc3 Bd7 25.Kd2 Ne8 26.Ne2 Nd6 27.Rc7 Be6 28.Nf4 Nb7 (28...h4 29.Rhc1 Rf8 30.R1c6 Nb7 31.Bb7+–) 29.Bb7 Rb7 30.Rb7 (30...Bg4 31.Nd5+–) 1–0. marekt – Bill Kolt, ChessWorld.net, 2002.

5.Bb5! Nc6 6.c3 e6 7.Nf3 ab5 8.Ra8 Nf6 9.0–0 Qc7 10.Qe2 Qb7 11.Ra2 Nd5 12.e4 Nf4 13.Qe3 e5 14.g3 Nh3 15.Kg2 d6 16.d3 Be7 17.Bd2 h6 18.d4 ed4 19.cd4 Bg5 20.Qa3 Qa7 21.Qa7 Na7 22.Ra7 Bg4 23.Ng5 Ng5 24.Ra8 Bc8 25.Rc8 1–0. Trkn – scandle2, itsyourturn.com, 2000.

5.Bb5! e5 6.Qf3 Ra7 7.Qg3 Nc6 8.Bc6 dc6 9.Qe5 Qe7 10.Nf3 Nf6 11.c3 Qe5 12.Ne5 Bb7 13.d4 c5 14.dc5 Bg2 15.Rg1 Be4 16.Nd2 Bd5 17.c4 Bc6 18.Nc6 Ra8 19.Bb2 Nd7 20.Rg4 f6 21.Rd4 h6 22.Rd5 g6 +–. mtrold1 – mustang, internet, 2001.

4.e3 Qb6

5.Na3 a6 6.Nb5 Bb7 7.Nc3 d5 8.b5 ab5 (Better is 8...Nf6!?+/–) 9.Bb5+– Kd8 (9...Nd7 10.Ra8 Ba8 11.Bd7 Kd7+–) 10.Ra8 Ba8 11.Nf3 f6 (11...e6 12.Bb2+–) 12.Ba3 Nh6 13.Nd4 Qa5 14.Qa1 e6 (14...Kc8 15.0–0 Nf7+–) 15.Be7!! Be7 (15...Ke7 16.Qa5) 16.Qa5 Kc8 17.Ne6 Bd6 (17...Bd8 18.Qa8 Rf8 19.Nc5 Kc7 20.Qb7 Kd6 21.Qb8 Kc5 22.Na4 Kb4 23.Be8 Bb6 24.Qb6 Ka3 25.Qb2#) 18.Qa8 Nf5 (18...Nf7 19.Nd5 Bc5 20.Nc5 Nd6 21.Bd7 Kd8 22.Qa5#) 19.Bc6 Ne7 (19...Ne3 20.Qb7#) 20.Qb7# 1–0. MT – guest1045, ICC, 2004.

5.Na3 Na6 6.Bb5 Nc7 7.Be2.

5.Na3 Bb7 6.Nb5 Bc6 7.Qh5 a6 8.Nd4 g6 9.Qa5+– Qa5 10.Ra5 Bg7 11.Nc6 dc6 12.d4 Nf6 13.Bd3 0–0 14.Nf3 e6 15.e4 Nfd7 16.c3 Re8 17.Bf4 f5 18.Kd2 h6 19.Re1 Kf7 20.ef5 ef5 21.Bc4 (21...Kf6 22.Re8+–) 1–0. pierre – rasputin, ChessHere.com, 2004.

5.Na3 Nc6 6.c3 a5 (6...Ba6 7.Qe2+=) 7.Nb5+/– Ba6 (7...d5!?+/–) 8.ba5 Na5 9.c4 Rc8 (9...Nc6!?+/–) 10.Qa4+– Bb5 11.cb5 Nb7 12.Qa6 Qa6 13.ba6 Nc5 14.a7 Ra8 15.Rb1 (15...Kd8 16.Rb8 Kc7 17.Ra8+–) 1–0. Trkn – guest4515, ICC, 2004.

5.Na3+= e6 6.Nb5 (6.c3 Ba6+/–) 6...Bb4 (6...Ba6!? 7.c4 Bb5 8.cb5 Nf6+/–) 7.Bb2 f6 8.Bd4 Bc5?? (Better is 8...Qc6+–) 9.Qh5 g6 10.Qc5 Qc5 11.Bc5 Kd8 12.Bb6! ab6 13.Ra8 Nc6 14.Nd6 Nge7 15.Nf7 1–0. marekt (2515) – Henrik, ChessWorld.net, 2003.

5.Nf3 Bb7 6.Nc3 +=.

5.Nf3 Nf6 6.Na3 e6 (6...Na6 7.Bb2+=) 7.c3+/– d5 (7...Ba6 8.Be2+/–) 8.Bb5 Bd7 9.Qa4 Bd6 (9...Be7 10.0–0+/–) 10.c4 Bb5 (better is 10...Be7 11.c5 Qc7+–) 11.Nb5+– (11.Qb5?! Nc6 12.c5 Qb5 13.Nb5 Bb8+/–; 11.cb5?! 0–0+=) 11...0–0 (11...Kd8 12.c5 (12.Nd6?! Qd6 13.d3 dc4+–) 12...Bc5 13.Ne5+– (worse is 13.bc5 Qc6+–)) 12.c5 (12.Nd6?! Qd6 13.c5 Qe7+/–) 12...Bc5 13.bc5 Qc5 (13...Qd8 14.Na7 Qc7 15.Bb2 Qc5 16.Bf6 gf6 17.0–0+–) 14.Ba3 (14.Ba3 Qb6 15.Bf8 Kf8 16.0–0+– (16.Na7?! Nc6+–); 14.Na7?! Rc8 15.0–0 Rc7+–) 1–0. pcmvr (2775) – bromer (2260), net–chess.com, 2008.

4.e3 Bb7

5.Bb2 a6 6.Nf3 Nc6 7.c4 Nb4 8.Qb3 e6 9.cb5 Bd5 10.Qd1 ab5 11.Ra8 Qa8 12.Bb5 Qb7 13.Nc3 Bf3 14.Qf3 Qf3 15.gf3 f6 16.Ke2 Ne7 17.Ra1 Nec6 18.Ra8 Kf7 19.Ba3 g5 20.Bb4 Nb4 21.Bd7 Bg7 22.Rh8 Bh8 23.d4 Ke7 24.Bb5 f5 25.Kd2 Kd6 26.Ne2 e5 27.Kc3 Nc6 28.Bc6 Kc6 29.Kc4 f4 30.d5 Kd6 31.Nc3 fe3 32.fe3 Bf6 33.Ne4 Ke7 34.Nf6 Kf6 35.Kc5 Ke7 36.Kc6 1–0. Kuhlmann – Burbach, 1983.

5.Bb5? Bg2 6.Nf3 Bh1 –+.

5.Nf3 Na6 6.c3 Nc7 7.Na3 a6 8.c4 bc4 9.Nc4 Nd5 10.Qb3 e6 11.Na5 Qb6 12.Nb7 Nb4 13.Na5 Rc8 14.Nc4 Qb8 15.Ba3 g6 16.Bb4 Bb4 17.Ra6 Bd2?? 18.Nfd2 Qc7 19.Qb7! Qc5 20.Qc8! Qc8 21.Nd6 Kf8 22.Nc8 Kg7 23.Ra8 h5 24.Nd6 g5 25.Ne8 Kg6 26.Bd3 f5 27.Nf3 d6 28.Nd6 1–0. marus – POWERKING, internet, 2001.

5.Nf3 Qb6 6.Bb2 Nc6 7.c3 d5 8.Na3 (8.d4 Nf6=) 8...Ba6 (8...a6!?=) 9.d4 Nf6 10.Bd3 e6 11.Qe2 Rb8 12.Ne5 Ne5 13.de5 Nd7 14.f4 Qc6 (14...g6!?+/–) 15.Nc2 Qb7 (15...Qb6 16.0–0+–) 16.0–0 h5 (16...f5 17.Nd4 Kf7 18.g4 fg4 19.Qg4+–) 17.Nd4 Nb6?? (17...h4+–) 18.Ra6! (18.Bb5?! Bb5 19.Qb5 Nd7+–; 18.Nb5?! Bb5 19.Bb5 Nd7+–) 18...Nc4 (18...Qa6 19.Bb5) 19.Rfa1 Nb2 (19...Ra8+–) 20.Bb5 (20...Qb5 21.Nb5+–) 1–0. Trkn – guest6741, ICC, 2004.

5.Nf3 Bc6 6.Nc3 Qb6 (6...a6 7.Be2+/–) 7.Bd3 (7.Nd4 e5 8.Ndb5 Nf6+/–) 7...e6 8.Nd4 (8.Ba3 Nf6+/–) 8...Bb4 (8...a6!?+/–) 9.Ncb5+– (worse is 9.Ndb5 Nf6+/–; 9.Nc6?! Bc3 10.dc3 Nc6=) 9...Ne7 (9...Bb5 10.Nb5 Nf6 11.Bb2+–) 10.Rb1 Bc5 (10...Na6 11.Qe2 Bg2 12.Rg1+–) 11.Qh5 Bd4?? (11...Nd5+–) 12.Nd6 (12.Nd6 Kd8 13.Rb6 ab6 14.ed4+–; 12.ed4?! Bb5 13.Rb5 Qd6+/–) 1–0. pierre – extedik, internet, 2009.

5.Nf3 a6

6.Bb2 Nc6 7.c4 (7.c3!?=) 7...bc4=+ 8.Bc4 d5 9.b5 (9.Be2 Nb4 10.Qa4 Nc6=+) 9...dc4=+ 10.bc6 Bc6 11.Ne5 Bb5 (11...Qb8!? 12.Nc6 Qb2=+) 12.Nc3= Nf6 13.Qf3 (13.Nc4 e6=) 13...Rc8=+ 14.g4 (14.Nb5 ab5 15.Qb7 c3 16.dc3 Nd7+–) 14...g5 (14...Qd6!? 15.Nb5 ab5–/+) 15.h4=+ h5 (15...Rg8 16.e4=+) 16.hg5 (16.Nb5 ab5 17.Qb7 Rh7 18.hg5 Nd7 19.gh5 Bg7 20.Qb5 Be5 21.Be5 Rc5+–) 16...hg4= 17.Qg2 Rh1 18.Qh1 Nd7 19.Nf7! (19.Ng4?! Rc5=) 19...Kf7 20.Qh5 Kg8 21.Qg6 (21.Nb5?! c3 22.Bc3 Rc6+–) 21...Bg7 22.Nb5 e5 (22...Qf8 23.Bg7 (23.Ra6?! Nc5 24.Bg7 Qg7+/–) 23...Qg7 24.Qe6 Kf8 25.Qf5 Ke8 26.Ra6+–) 23.Nd6 (better is 23.Qe6 Kh8 24.Nd6+– (24.Qa6 Nc5 25.Nd6 Na6 26.Nf7 Kg8 27.Nd8 Nc5–+; 24.Ra6 Nc5 25.Qg4 Nd3 26.Ke2 Nb2 27.Qh3 Kg8 28.Qe6 Kh7 29.g6 Kh8+/–)) 23...Qf8? (23...Nf8 24.Qf7 Kh8 25.Nc8 Qc8+–) 24.Qe6 Kh7 25.0–0–0 Qf3 26.Qd7 (26...Rb8 27.Rg1 (< 27.Nc4 Rb7 28.Qc8 Kg6+–) 27...Qf2 28.Rh1 Kg8 29.Qe6 Kf8 30.Ba3 Rb1 31.Kb1 Qe1 32.Re1 c3 33.Qf7#) 1–0. Kuhn,A – Meyer,D, corr, 1976.

6.Bb2 e6 7.c4 Bb4 8.Bg7 Be7 9.Bh8 Bf6 10.Bf6 Qf6 11.Nc3 b4 12.Na4 a5 13.Be2 Ne7 14.d4 Nbc6 15.Nb6 Rb8 16.0–0 Ng6 17.Qa4 Qf5 18.d5 ed5 19.cd5 Nce7 20.Bb5 Rd8 21.Qa5 Nd5 22.Nd5 Bd5 23.Bc4 Ne7 24.Bd5 Nd5 25.Rfd1 Ne7 26.Qf5 Nf5 27.Nd4 Ne7 28.Nb5 Nc6 29.Ra8! b3 30.Rd8 Kd8 31.Rb1 Na5 32.Nd4 Ke7 33.Nb3 Nb3 34.Rb3 h6 35.Rb5 1–0. Trkn – Thomas Lazar, itsyourturn.com, 2000.

6.c3 Nf6 7.d4 Bf3 (7...e6!?=) 8.Qf3+= d5? (better is 8...Nc6+=) 9.Bb5!+– Nbd7 (9...ab5 10.Ra8 Pinning (10.Ra8 Deflection)) 10.Bc6 Ra7 11.Bd5 e6 (11...Nd5 12.Qd5 e6 13.Qc4+–) 12.Bb3 Bd6 13.e4 e5 14.d5 0–0 15.Nd2 Qb8 16.Nc4 Be7 17.Na5 Qe8 18.0–0 Ra8 19.Bd2 Bd6 20.c4 Rb8 21.Nc6 Ra8 22.Rfc1 Bc7 23.c5 h6 24.Bc4 Nb8 25.b5 a5 26.Na5 Ba5 27.Ba5 Qc8 28.c6 Ne8 29.Bb4 Ra1 30.Ra1 Nf6 31.Bf8 Qf8 32.b6 Qc5 33.c7 (33.c7 Nbd7 34.Ra8 Kh7 35.c8Q Qc8 36.Rc8 g6 37.Rd8 h5 38.Rd7 Nd7 39.Qf7 Kh6 40.Qd7 Kg5 41.Qe7 Kh6 42.Qf8 Kh7 43.d6 h4 44.Bg8 Kh8 45.Qf7 h3 46.Qh7) 1–0. marekt – Verner201098, ChessWorld.net, 2012.

6.c4 Qb6 7.c5+/– Qd8 8.Nc3 Nf6 9.Qb3 Nc6 10.d4 d5 11.Bd3 h6 12.Ne5 e6 13.Nc6 Bc6 14.0–0 Qc7 15.f3 Be7 16.Bd2 0–0 17.Be1 Qb7 18.Qb2 Bd8 19.Bg3 Bc7 20.Bc7 Qc7 21.Ne2 Ra7 22.Ra3 Rfa8 23.Rfa1 a5 24.Nc3 ab4 25.Ra7 Ra7 26.Ra7 Qa7 27.Qb4 Qa1 28.Kf2 Qh1 29.h3 Qc1 (29...Qa1 30.Nb5 (30.Bb5?! Bb5 31.Nb5 Qa2 32.Kg1 Qe2+/–) 30...Qa2 31.Be2+–) 30.Ne2 Qd1? (30...Qa1 31.Bb5 Qa8+–) 31.Bb5 Bb5 32.Qb5 Qc2 33.Qb8 Kh7 34.Qb7 Kg6 (34...Qf5 35.c6 Ne4 36.Ke1+–) 35.c6 Ne8 36.Qd7 Nf6 37.Qc8 Kh7 38.h4 Nh5 (38...Qc4+–) 39.Qb7 Kg6 40.c7 Nf6 41.c8Q Qd2 42.Qf8 e5 (42...Nd7 43.Qd7 Qe1 44.Ke1 Kh5 45.Qg7 f5 46.Qe6 Kh4 47.Qeh6) 43.Qbf7 Kf5 (43...Kh7 44.Q8g7) 44.Qc8 1–0. pcmvr (2765) – grahamtrue (2225), net–chess.com, 2014.

6.c4 bc4 7.Bc4 d5 8.Be2 e6 9.Qb3 Nc6 10.b5 ab5 11.Ra8 Qa8 12.Bb5 Nge7 13.Ne5 f6 14.Nd3 Nc8 15.Nf4 Kf7 16.Nc3 Ne5 (16...Nd6!?=) 17.d4 Nc6 18.Ncd5 Nd4 (18...ed5 19.Qd5) 19.Be8?? (19.ed4 Bd5) 19...Kg8?? (19...Ke8 20.Nc7 Kd7=+) 20.ed4 (better is 20.Nf6 gf6 21.ed4 Qa5 22.Ke2+–) 20…Bd5 (21.Nd5 Qd5 22.Qd5 Bb4 23.Bd2 Bd2 (23...ed5?? 24.Bb4 Nb6 25.Bc5+–) 24.Kd2 ed5) 0–1. hooks – markmooney, ChessWorld.net, 2005.

6.c4 Nc6!? 7.Nc3 Nb4 =.

4.e3 Nc6

5.Bb5 Nb4 6.Nf3 a6 7.Be2 e6 8.0–0 d5 9.d4 Nf6 10.Ba3 Nc6 (10...Be7 11.c3 Nc6 12.c4+=) 11.Bf8+/– Kf8 12.Nbd2 h6 (12...Kg8 13.c4+/–) 13.c4 Nb4 14.Ne5 Bb7 (14...dc4 15.Ndc4 Kg8 16.Bh5+/–) 15.Bh5 (15.Qa4 a5+–) 15...g6 (15...Nh5!? 16.Qh5 Qe7+/–) 16.Qb1+– Ne4?? (16...gh5 17.Qb4 Qe7 18.Nd7 Nd7 19.Qb7 Kg7+–) 17.Qb4 Qe7 (17...Nd6 18.c5 a5+–) 18.Nd7 Ke8 19.Qb7 Rd8 20.Ne4 de4 21.Bd1 Rd7 22.Ba4 f5 23.Rfb1 Kf7 24.Bd7 Rd8 25.Be6! Ke6 26.Ra6 Kf7 27.Qc6 1–0. orane (2020) – mass, Live Game Caissa's Web, 2004.

5.Bb5 Nb4 6.Qg4?? Nc2 0–1. Trkn – Thomas Lazar, itsyourturn.com, 2000.

5.Bb5 Bb7 6.Bc6 Bc6 7.Nf3 Nf6 8.c4 g6 9.0–0 Bg7 10.Bb2 0–0 11.b5 Be4 12.d3 Bf3 13.Qf3 (13.gf3?! d5+/–) 13...a5 14.ba6 Qb6 15.Bd4 Qb3 (15...Qd6 16.c5 Qe6 17.a7+–) 16.Qd1 (16.Nc3!? Qb8+–) 16...Qb4 17.Qa4 Qd6 18.Nc3 Ng4 19.g3 Bd4 20.Nb5 Qf6 21.Nd4 e5 22.Qd7 ed4 23.Qg4 h5 (23...Rfd8+–) 24.Qd4 Qf3 (24...Qc6 25.a7 Rfd8 26.Qc3+–) 25.a7 Rfd8 26.Qe4 (better is 26.Qe5 h4 27.Rfb1 Kh7+–) 26...Qe2 (26...Qe4 27.de4 Rd7+–) 27.Rfb1 Re8 (27...Kh7+–) 28.Qe8! Re8 29.Rb8 Qd3 30.Re8 Kg7 31.a8Q Qc3 32.Qa7 (32.Rh8 Qe5 33.Ra6 Qa1 34.Ra1 Kf6 35.Ra6 Kg5 36.Qf3 h4 37.gh4) 32...Qc4 33.Qd4 (33.Qd4 Qd4 34.ed4 h4 35.d5 hg3 36.hg3 Kh7 37.d6 Kh6 38.d7 Kh7 39.d8Q Kg7 40.Qd4 Kh6 41.Rh8 Kg5 42.Qf4) 1–0. Hal1958 – Ronan48, playchess.de, 2002.

5.c3 Bb7 6.Bb5 (6.Nf3+=) 6...Qc7 (better is 6...Nb4!? 7.Nf3 Bf3 8.gf3 Rb8=) 7.Nf3+/– e6 (7...a5 8.ba5 Ra5 9.Ra5 Qa5 10.Qb3+/–) 8.d4 (8.Bb2 Ne5+/–) 8...Nf6 (8...a5 9.ba5 Ra5 10.Ra5 Na5 11.Qd3+/–) 9.Bd3 Be7 (9...a5 10.b5 Nb8 11.c4+–) 10.b5 (10.e4 Nd8 11.Qc2 h6+–) 10...Nb8+/– 11.c4 d5 (11...a6!?+/–) 12.c5+– 0–0 (12...a6 13.b6 Qc8 14.0–0+–) 13.Bd2 Ne4 (13...a6 14.Ba5 Qc8 15.c6 ab5 16.cb7 Qb7 17.Bc3 Ra1 18.Ba1+–) 14.Ba5 Qd7 15.Nbd2 (15.0–0 Rc8+–) 15...Nd2 (15...Rc8 16.0–0+–) 16.Qd2 Qc8 (16...a6 17.c6 Nc6 18.bc6 Qc6 19.Ne5+–) 17.0–0 a6 18.c6 ab5 (18...Bc6 19.bc6 Nc6 20.Rfc1+–) 19.cb7 Qb7 20.Bb4 (20.Rab1 Nc6 21.Rb5 Qd7+–) 20...Ra1 (20...Bb4 21.Qb4 Nd7 22.Qb5 Qb5 23.Bb5+–) 21.Ra1 Nc6 22.Be7 Ne7 23.Ra5 b4 24.Rb5 Qc6 25.Qb4 g6 26.Qe7 Qc1 27.Bf1 Qc8 28.Ne5 Qe8 29.Qd6 Qc8 30.Nd7 Rd8 31.Nf6 Kg7 32.Qe5 Kh6 33.Ng4# 1–0. Andersson,Egart – Borchardt, Tiger–SC, 1999.

3.ab5 Qb6

4.Nc3 e6 5.e4 Bb4 6.Bb2 f6 7.Qg4 g6 8.e5 f5?? (Better is 8...Be7 9.Qf3 fe5+/–) 9.Qb4+– c5 (9...Ne7 10.Ba3 Qd8 11.Qh4+–) 10.Na4 Qc7 (10...cb4?? 11.Nb6 Bb7 12.Na8 Ba8 13.Ra7+–) 11.Qc5 Qc5 12.Nc5 Ne7 13.b6! a6 14.b7 Ra7 15.bc8N Nc8 16.Na6 Nc6 17.d4 Nb6 18.c4 Rb7 19.Nc5 Rc7 20.Ra6 Nc4 21.Bc4 d5 22.ed6 Kf7 23.Be6 Ke8 24.Ra8 Nd8 25.dc7 Ke7 26.c8Q Rf8 27.d5 Ne6 28.Qe6# 1–0. marre – tazitazi, GameColony.com, 2003.

4.e3 e6 5.Bb2 Nf6 6.Bd4 Qc7 7.b6 Qb7 8.Ra7 Ra7 9.ba7 Na6 10.Ba6 Qa6 11.Nf3 Be7 12.c3 0–0 13.Qe2 Qa2 14.0–0 Ba6 15.Qd1 Bf1 16.Kf1 d6 17.d3 e5 18.Bb6 Rb8?? 19.ab8Q Bf8 20.Nfd2 Nd7 21.Qa7 Qd5 22.Qd7 Qd3 23.Ke1 g5 24.Nf3 Qg6 25.Qc6 h5 26.Ne5 Qe6 27.Bd4 g4 28.Qd7 Qf5 29.Qf5 1–0. Trkn – Superfish, itsyourturn.com, 2000.

3.e3 ba4

4.Ra4 e6 5.Bb2 Nf6 6.Nf3 d6 7.d4 Be7 8.Bd3 0–0 9.0–0 Bb7 10.Nbd2 d5 11.Bc3 a6 12.Ne5 Nbd7 13.f4 Nb6 14.Ra5 Bd6 15.g4 (15.Qa1 Qe7+=) 15...Nbd7 (15...Qe7!?=) 16.g5+/– Ne8 17.Qh5 Threatening mate: Qxh7 17...g6 18.Qh6 Ne5 19.de5 Bc7 20.Rf3 The mate threat is Rh3 20...Ng7?? (better is 20...Qd7 21.Rh3 f5 22.gf6 Ba5+–) 21.Rh3 (21.Rh3 Re8 22.Bd4+–) 1–0. pierred (2600) – mrazo (2250), net–chess.com, 2008.

4.Ra4 e6 5.Bb2 Nf6 6.Nf3 Be7 7.Bd3 0–0 8.Ng5 h6 9.Bf6 Bf6 10.Nh7 Re8 11.Nf6 Qf6 12.f4 d5 13.0–0 Bd7 (13...Nd7 14.Nc3+=) 14.Nc3 White prepares the advance b5 14...c5 15.b5 a6 16.f5 ef5 (16...c4 17.fe6 Qe6 18.Bf5+/–) 17.Qf3 (better is 17.Nd5 Qd6 18.Nc3+/–) 17...Re5? (better is 17...d4!? 18.ed4 cd4+=) 18.Nd5+– Qd8 19.Nf6! Qf6 (19...gf6 20.Qa8 Eliminates the defender a8) 20.Qa8 Re8 21.Bf5 Qd6 22.Bd7 Qd7 23.Raf4 Qd2 24.Rf7 Qe3 25.Kh1 ab5 (25...Qe2 26.Qb7 Kh8+–) 26.Qd5 (26.Qd5 Re6 27.Re7+–) 1–0. Rosner,Dirk – Neumann, Tiger SC, 2000.

4.Bb2.

3.e3 Na6

4.ab5 Nb4 5.Ba3 Nd5 6.c4 Nb6 7.Qf3 (7.bc6 dc6 8.d4 e5+/–) 7...Bb7 8.c5 (8...Nd5 9.bc6 dc6 10.Bc4+=; 8.d4 Nf6+=) +=. Trkn – guest298, ICC, 2004.

4.ab5 Nb4 5.bc6 Nc6 6.Nf3 a6 7.Be2 f5 (7...e5 8.Bb2 Qc7 9.Nc3=) 8.Bb2+= h6? (8...Qb6 9.Ra2+=) 9.0–0 (9.Ng5 d5 10.Bh5 Kd7 11.Nf7+–) 9...e6+/– 10.c4 d6 11.d3 Rh7 (11...e5 12.Nc3+=) 12.Nd4 Nd4 13.Bd4 Bb7 14.Bh5 Kd7 15.Nd2 e5 16.Bc3 Ne7 17.e4 f4?? (better is 17...g6 18.Bf3 Qc7+/–) 18.Qg4 Kc7 19.Ba5 Kc6 20.Bd8 Rd8 21.Qd1 Nc8 22.Nb3 g5 23.Na5 Kb6 24.Qb3 Ka7 25.Qa4 Nb6 26.Qa2 Ba8 27.Rfb1 Rb8 28.Nc6 (28.Nc6 Kb7 29.Nb8 Kb8 30.Rb6 Bb7 31.Qa6 Kc8 32.Bg4 Kd8 33.Rb7 Rc7 34.Rc7 Kc7 35.Qc8 Kb6 36.Ra6) 1–0. Valpa – Tiraspol3000, playchess.de, 2002.

4.ab5 cb5 5.Ba3 +=.

3.e3 Bb7

4.Bb2 d5 5.ab5+/– cb5 (5...a6!? 6.ba6 Na6+–) 6.Bb5+– Bc6 7.Qe2 Nf6 8.Nf3 e6 9.Ne5 Bb5 10.Qb5 Nbd7 11.Nc6 Qc7 12.Bf6 gf6 13.Nc3 Bd6 14.e4 0–0 15.ed5 Rfc8 (15...Nb6 16.Ne4+–) 16.de6 (better is 16.Qe2!? a6 17.0–0 Nb6+–) 16...fe6 17.Nd4 Nf8 18.Ra6 (18.Ra4 Be5 19.Nde2 a5 20.Ra5 Rcb8+–) 18...Rab8 19.Qe2 Qd7? (better is 19...Bb4 20.0–0 Bc3 21.dc3 Rb6 22.Rb6 Qb6+–) 20.Ndb5 Bb4 21.Ra7 Rb7 22.Rb7 Qb7 23.Qg4 Ng6 24.Qb4 Qg2 25.Qe4 Qe4 26.Ne4 Rc2 27.Ke2 (27.Nf6?! Kf7 28.Ke2 Kf6+=) 27...f5 28.Nec3 Rb2 29.Ra1 Rb4 30.d4 Kf7 31.Ra7 Ne7 (31...Kg8 32.Ke3+–) 32.d5 Kf6 (32...Rb2 33.Kd1 Kf6 34.Ra6 Rf2 35.d6+–) 33.d6 Rb2 (33...Nc6 34.Rh7 Rg4 35.h4+–) 34.Ke3 Nc6 35.Rh7 e5 36.Rc7 (36.d7 Nd8+–) 36...f4 (36...Nb4 37.Rc8 Ke6 38.Re8 Kd7 39.Re7 Kc8 40.Re5 f4 41.Ke4+–) 37.Kf3 Nd8 38.Ne4 Kf5 39.d7 Rb3 (39...Ke6 40.Nbc3 Rb3 41.Kg4+–) 40.Nbc3 Ne6 (40...Ke6+–) 41.Rc8 Nd4 42.Kg2 Rb6 43.Rf8 Kg4 Black plans f3 44.h3 Kh5 45.Rh8 Kg6 46.d8Q f3 47.Kh2 Rc6 48.Qg8 1–0. phildo (1810) – alfil813 (1795), gameknot.com, 2013.

4.Nf3 e6 5.Bb2 Bb4 6.ab5?! Nf6 =.

4.Nf3 e6 5.Bb2 Bb4 6.Bg7 Bd2 7.Nbd2 +–.

4.Nf3 e6 5.Bb2 Nf6 6.ab5 Bb4 7.c4 (7.Ra4 Be7) 7...0–0= 8.Nc3 cb5 9.cb5 d5 (9...a6 10.ba6 Na6 11.Ra4=+) 10.Be2 Nbd7 (10...d4 11.Nd4 Bg2 12.Rg1) 11.0–0 Bd6 12.d4 Qc7 13.Rc1 Qb8 14.g3 (14.Qa4 Nb6 15.Qc2 a6=) 14...Nb6 15.Na4 (15...Nc4 16.Bc4 dc4 17.Nd2=+). Mothes,Rainer – Hirtreiter, corr SOK–89–32, 1989.

4.Nf3 e6 5.ab5 cb5 6.Bb5 Bb4 7.0–0 (7.Ra4 Be7) 7...Nf6 (7...Qf6 8.Nd4=) 8.c3 (8.d4 a6 9.Bd3 0–0) 8...Be7= 9.d4 0–0 10.Nbd2 d6 11.Ba3 Qc7 12.Qc2 Rc8 13.Rfc1 Nbd7 14.Bd3 Nb6 15.c4 h6 16.Nb3 (16.e4 Nfd7) 16...a5 17.Qe2 Ne4 (17...a4 18.c5 Qd7 19.cb6 ab3 20.Rcb1) 18.Rc2 (18.c5 dc5 19.Nc5 Nc5 20.Bc5 Bc5 21.Rc5 Qd6) 18...Qd7 (18...a4 19.Nbd2 f5 20.d5 ed5 21.cd5=) 19.c5 Na4 20.Rac1 dc5 21.Ne5 Qd5 22.Bc4 Nec3 23.Qf1 Qe4 24.Nd2 (24.Bd3 Qh4 25.Rc3 Nc3 26.Rc3 cd4 27.Rc8 Rc8 28.Be7 Qe7 29.Na5 Qc7) 24...Qf5 25.Bd3 (25.Rc3 Nc3 26.Rc3 cd4 27.ed4 Ba3 28.Ra3 Qf4) 25...Qh5 26.Rc3 Nc3 27.Rc3 cd4 28.Rc8 Rc8 29.Be7 Qe5 30.Nc4 Qc7 31.Bd6 Qd8 32.Ba3 (32.Be5 de3 33.fe3 Qd5=) 32...Ba6 33.ed4 Bc4 34.Bc4 Qd4 35.Ba6 Rc2 36.Qe1 Ra2 37.Bc1 Ra1 38.Bf1 a4 (39.h4 a3–+ (39...Qh4?! 40.Qc3 Qf6 41.Qc8 Kh7 42.Qc2 Qg6 43.Qc3–/+)) 0–1. Andersson,Lars H – Rosenhahn,Eberhard, corr ICCF TT–4–90–5, 1992.

4.Nf3 a6

5.Bb2 e6.

5.c4 bc4=

6.Bc4 e6

7.Ba3 Qb6.

7.Ba3 Nf6.

7.Bb2 Bb4?? 8.Bg7 d5 9.Bd3+– (9.Bh8?! dc4 10.Ne5 c5 +–).

7.Bb2 Nf6= 8.b5 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Qa5 12.Nc3 Bb4 13.Be2 0–0 14.0–0 Rc8 15.Qb3 Nd5 16.Rb1+/– Na6? 17.Qb2?? Nc3 18.dc3+– Rc3 19.Ba6 Ba6 20.Qc3!! (20...e5 21.Rb4+–; 20.Qb4?? Qb4 21.Rd1 Qb3–+) 1–0. Kreuzer,Uwe – Buechling,Th, corr BDF H–143–E, 1993.

7.Bb2 Nf6 8.Bc3 d5 =.

7.Bb2 Nf6= 8.Bc3 Nd5 =.

7.Qb3 Qb6 8.Ba3 a5 9.ba5 Qb3 10.Bb3 =.

7.Qb3 Qb6 8.Ba3 d5 9.Be2 a5 10.b5 Ba3 11.Qa3 cb5 12.ab5 Nd7 13.d4 Ne7 14.0–0 Nc8 15.Rc1+/– Nd6 16.Ne5 Ne5=+ 17.de5 Nf5 18.Nc3 d4 19.Na4 Qd8 20.Nc5 Bg2? 21.e4?? Nh4= 22.Nb7 Qe7 23.Nd6 Kf8 24.b6 (24...Be4 25.Ne4 Qa3 26.Ra3+–) 1–0. Harding,Timothy David – Linklater, corr (Irish Ch), 1989.

7.Qb3 Qb6 8.Ba3 d5 9.Be2 a5 10.b5 c5 11.d4 Nd7 12.0–0 Rc8 (12...Rc8 13.Rc1 Ngf6=; 12...Bd6 13.dc5 Nc5 14.Bc5 Bc5 15.Rc1=). Katalymov – Gorenshtein, Lvov, 1953.

7.Qb3 Qb6 8.Ba3 d5 9.Be2 Nf6 10.d4 Nbd7 11.0–0 Bd6 12.Nc3 0–0 13.Nd2 e5 14.de5 Ne5 15.Rfb1 Neg4 16.Bg4 Ng4 17.Nf3 Rfb8 18.b5 Ba3 19.Ra3 ab5 20.ab5 Qc5 (20...Ra3 21.Qa3 c5 22.Na4=) ½–½. Dluhosch,Thomas – Gurski,M, corr BdF, 1985.

7.Qb3 c5 8.b5 =.

3.e3 e6

4.Bb2 Bb4?? 5.ab5?! Nf6 =.

4.Bb2 Bb4?? 5.Bg7 Ne7 6.Bh8 +–.

4.Bb2 Nf6 5.c3 Bb7 6.Nf3 Be7 7.ab5+/– c5 8.bc5 Bc5 9.c4 0–0 10.Be2 a6 11.0–0 ab5 12.Ra8 Ba8 13.cb5 d5 14.d4+– Bd6 15.Qc2 Nbd7 16.Bd3 Qc7 17.Qc7+– Bc7 18.Rc1 Bb6 19.Ba3 Re8 20.Bd6 Bb7 21.Nbd2 Rc8 22.Rc8 Bc8 23.Nb3 Ne8 24.Bc5 Bd8 25.Kf1 Nef6 26.Nfd2 Bb7 27.Bd6 Ne4 28.Ne4 de4 29.Bc2 Bd5 30.Ke1 Nb6 31.Nc5 Nc4 32.Bg3 Nb2 33.Be4 Ba5 34.Ke2 Bc4 35.Kf3 Bb5 36.Nb7 Bb4+/– 37.Bd6 Nd3?? 38.Bd3+– Bc6 39.Be4 (39...Bb7 40.Bb4 (40.Bb7?! Bd6 41.g3 h6+/–) 40...Be4 41.Ke4+–) 1–0. Nielsen,Joergen Axel (2100) – Moeller Hansen, Nakskov, 1970.

4.ab5 Bb4 5.Qg4 Bf8 =.

4.c3 Bb7 5.ab5 cb5!? 6.Qe2 Bc6.

4.c3 Bb7 5.ab5 cb5!? 6.Nf3 a5.

4.Nf3 Bb4= 5.Bb2 Nf6 6.ab5 0–0 7.Be2 (7.Ra4 Be7=) 7...cb5 8.Nc3 (8.Bb5 a5=) 8...Bc3 9.Bc3 Nd5 (9...Ba6 10.Qb1=) 10.Ba5 Qf6 11.Bb5 Bb7 12.c4 Nb6 13.0–0 Rc8 14.Bb6 ab6 15.Ra8 Ba8 16.Qa1 Bf3 17.Qf6 gf6 18.gf3 Nc6 19.f4 e5 20.f5 Kf8 21.Rb1 Ke7 22.Kg2 Na5 23.Ba6+/– Rc6 24.Rb4 Rd6 25.Rb2+/– Rc6 26.Bb5 Rd6 27.Kf3 Nb7 28.Ke2 Nc5 29.f3 Rd3 30.Ra2+/– Rd6 31.Ra1 Rd3 32.Ba4 Rd6 33.Bc2+/– Kf8 34.Ra7 Kg7 35.d3 b5? 36.cb5+– Rb6 37.d4 ed4 38.ed4 Nb7 39.Bd3 Nd6 40.Ra6 Nc8 41.Kd2 Ra6 42.ba6 Kf8 43.Be4 Ke7 44.Bb7 Na7 45.Kc3 Kd6 46.Kb4 (46...Kc7 47.Ka5+–) 1–0. Pommerel,Wim – Hauwert,N, corr NLD Mkl, 1997.

2.a4 Nc6

3.ab5 Nb4

4.c3 Nd5 5.e4 Nb6 6.d4 Nf6 7.Bd3 d5 8.e5 Ne4 9.Nf3 Nc4 10.Qb3 e6 11.Bc4 dc4 12.Qc4 Be7 13.Nbd2 f5 14.Ne4 fe4 15.Nd2 Bh4 16.Ne4 Bb7 17.Nc5 Bg2 18.Qe6 Qe7 19.Qe7 Be7 20.Rg1 Bf3 21.Rg7 h5 22.Ne6 Kd7 23.Nc7 Rac8 24.Na6 Rc3 25.Ba3 Re8 26.Be7 Re7 27.Nc5 Rc5 28.Re7 Ke7 29.Ra7 Ke6 30.dc5 Ke5 31.Rd7 Bg4 32.c6 Ke6 33.b6 Bf3 34.b7 Bc6 35.b8Q Bd7 36.Qh8 h4 37.Qh4 Ke5 38.Qe7 Be6 39.Qe6 Ke6 40.Ke2 Kf5 41.Kf3 Kg5 42.Kg3 Kh5 43.h4 Kg6 44.Kg4 Kh6 45.h5 Kg7 46.f4 Kf6 47.Kh4 Kf5 48.Kg3 Kf6 49.Kg4 Kg7 50.Kg5 Kf7 51.Kf5 Kg7 52.Kg4 Kf6 53.f5 Kg7 54.Kg5 Kh7 55.Kf6 Kh6 56.Ke7 Kh5 57.f6 Kg4 58.f7 Kf4 59.f8Q 1–0. Trkn – Harry N., itsyourturn.com, 2001.

4.c3 Nd5 5.e4 Nb6 6.Nf3 Bb7 7.Bd3 d6 8.0–0 e5 9.Bb2 Nf6 10.Qe2 Qd7 11.Bc2 Be7 12.d4 0–0 13.Rd1 Qg4 14.Nbd2 Nh5 15.d5 Nf4 16.Qf1 a6 17.c4 ab5 18.cb5 Qg6 19.g3 Bc8 20.Ra8 Na8 21.Ra1 Bh3 22.Qc4 Rc8 23.Qc6 Nb6 24.Bd1 Nd3 25.Bc3 Nc5 26.Ra7 Bd7 27.Ne5 de5 28.Qg6 hg6 29.Be5 Bd6 30.Bd6 cd6 31.Nb3 Ne4 32.Kf1 Bb5 33.Be2 Be2 34.Ke2 Nd5 35.Nd4 Re8 36.Kf1 Nd2 37.Kg2 Nf6 38.h3 d5 39.f3 Rb8 40.g4 Rb2 41.Kf2 Nb3 42.Ke3 Nd4 43.Kd4 g5 44.Ra8 Kh7 45.Ra3 Rh2 46.f4 gf4 47.Ke5 Rf2 48.Kf5 f3 49.Kf4 Kg6 50.Rf3 Rf3 51.Kf3 Kg5 0–1. Trkn – Lazar, itsyourturn.com, 2000.

4.c4 a6 5.d4 e5 6.de5 Bc5 7.e3 Qg5 8.Nf3 Qe7 9.Bb2 d5? (better is 9...Bb7+/–) 10.ed6+– cd6 (10...Qe4 11.Na3 ab5 12.dc7+– (12.cb5?! Ra3 13.Ra3 Nc2 14.Ke2 Na3 15.Bg7 Bf5+/–; 12.Bg7?! Ra3 13.Ra3 Nc2 14.Ke2 Ba3+–)) 11.Bg7 Nf6 (11...Bf5 12.Bh8 Nc2 13.Ke2 Be3+–) 12.Bh8 Bf5 13.Na3 Ne4 (13...ab5 14.Bf6 (< 14.cb5 Ra3 15.Ra3 Nc2 16.Ke2 Ba3+–) 14...Qf6 15.Nd4 Bd4 16.Qd4 (16.ed4?! Ra3 17.Qe2 Kd8 18.Ra3 Nc2 19.Kd1 Na3+–) 16...Qd4 17.ed4 Ra3 18.Ra3 Nc2 19.Kd2 Na3 20.cb5+–) 14.Be2 Nc3 15.Bc3 ab5 16.0–0 Qe4 17.Nd2 Qe6 18.Nb5 Qg6 19.Ra8 Kd7 20.Nf3 Bh3 21.Ne5 (21...Ke7 22.Ng6 fg6 23.Bb4 Bc8 24.Bc5 dc5 25.Qd6 Kf7 26.Ra7 Bd7 27.Rd7 Ke8 28.Nc7) 1–0. hal1958 – dc, HCL–T067 playchess.de, 2003.

4.c4 e5 5.Bb2 d5 6.Be5 dc4 7.e4 Bd6 8.Bg7 f6 9.Bh8 Be5 10.Nc3 Nd3 11.Bd3 Qd3 12.Nf3 Bc3 13.dc3 Qe4 14.Qe2 Bf5 15.Nd4 0–0–0 16.Qe4 Be4 17.0–0 Kb7 18.f3 Bd3 19.Ra7 Kb6 20.Rc7 Bf1 21.Kf1 Ra8 22.Rc4 Ra7 23.Rc6 Ka5 24.Rf6 Nf6 25.Bf6 Kb6 26.g4 1–0. Trkn – Martin, itsyourturn.com, 2000.

4.e4 a6 5.c3 Bb7 6.cb4 ab5 7.Ra8 Qa8 8.Nc3 Be4 9.Nb5 (9.f3 Bc6+–) 9...Qb7 10.Qa4 c6 (10...Nf6+–) 11.Nc3 Nf6 12.Ne4 Ne4 13.b5 cb5 14.Bb5+– 1–0. Buczinski,Henryk (2065) – Andryszczuk,M, corr 2MPS Poland, 1998.

4.e4 Bb7 5.c3+– a6 6.cb4 ab5 7.Ra8 Qa8 8.d3 (8.Bb5 Be4 9.Qg4 Nf6 10.Bd7 Nd7–+) 8...f5 (8...e5 9.Bd2+–) 9.Bb2 fe4 10.Qh5 (10.de4 Be4 11.Bb5 Qd5 12.Qd5 Bd5+–) 10...Kd8 11.Qb5 ed3 12.Nd2 (12.Bd3 Bg2 13.Qf5 Nh6–+; 12.Qd3?! Bg2 13.Bg2 Qg2+/–) 12...Nf6 13.Ngf3 (13.Bd3?! Bg2 14.Bf6 Bh1=; 13.Qd3?! Bg2 14.Bg2 Qg2+/–) 13...Ba6 14.Qa5 e6 (14...Qc6+–) 15.Bd3! Bb4 (15...Bd3 16.Qa8) 16.Qa1 (16.Qb4?! Bd3 17.Qc3 Qd5+–) 16...Bd2 17.Kd2 Ne4 18.Be4 Qe4 19.Qa6 Qf4 20.Ke2 Qe4 21.Kf1 Ke7 (21...Rg8 22.Qa1+–) 22.Qa3 d6 23.Qc3 Qb1 24.Ne1 e5 (24...Kd8 25.Qg7 Re8 26.Qg5 Kc8 27.Bf6+–) 25.Qc7 Ke6 26.Ba3 Qb5 27.Kg1 Qd7 28.Qc4 Ke7 29.h4 (29.Qd3 Ra8+–) 29...Rc8 30.Qe4 h5 (30...Kd8 31.Qh7 Qe7 32.Rh3+–) 31.Rh3 (better is 31.Qe5 Kf7 32.Qh5 Kf8 33.Bd6 Kg8 34.Qd5 Qf7 35.Qf7 Kf7+–) 31...Rh8 (31...Kd8+–) 32.Qe5 Qe6 (32...Kd8 33.Bd6 Qf7 34.Qa5 Kc8 35.Rc3 Kd7 36.Qc7 Ke6 37.Re3 Kf6 38.Be5 Kg6 39.Rg3 Kf5 40.Rg5 Ke4 41.Qc6 Qd5 42.Qg6) 33.Bd6 (33.Qg7 Kd8 34.Qh8 Kd7+–) 33...Kf7 (33...Kd7 34.Rd3 Qe5 35.Be5 Ke6 36.Bg7 Rc8+–) 34.Rf3 Qf6 35.Qe7 Kg6 36.Rf6 gf6 37.Nd3 Rh7 38.Nf4 Kh6 (38...Kf5 39.Qe6) 39.Qf6# 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2002.

4.e4 Bb7 5.c3 Be4?? 6.cb4 Qb8 7.Nc3 Bb7 8.d4 e6 9.Ba3 Nf6 10.Nf3 Bd6 11.Bd3 c6 12.0–0 cb5 13.Nb5 Bf3 14.Nd6! Qd6 15.Qf3 0–0 16.b5 Qd4 17.Bf8 Rf8 18.Qe2 Nd5 19.Qe4 Qe4 20.Be4 Nc3 21.Bd3 Rb8 22.Ra7 d5 23.Rfa1 g6 24.Ra8 Ra8 25.Ra8 Kg7 26.b6 1–0. Trkn – Lazar, itsyourturn.com, 2001.

4.e4 Bb7 5.c3+– Be4 6.cb4 Nf6 +–.

4.e4+– Rb8 5.Ra7?! e5 6.Nf3 Bb7 +/–.

4.e4+– Rb8 5.c3 Nd3? (5...a5+–) 6.Bd3 e5 7.Nf3 Bd6 8.Be2 f6 (8...Nf6 9.d4 Qe7 10.Bg5+–) 9.0–0 Nh6 (9...Bb7 10.Qc2+–) 10.Bc4 (10.d4 Bb7 11.Bh6 gh6+–) 10...Qe7 11.d4 Ng4 (11...Nf7 12.Qd3+–) 12.Nh4 f5 (12...Nh2 13.Nf5 Qf8 14.Qh5 g6 15.Nd6 Qd6 16.Qh2 c6+–) 13.Nf5 Qf6 14.Qg4 Rg8 (14...Bf8+–) 15.Nd6 Qd6 16.Qh5 g6 17.Qh7 Rf8 18.de5 Qc5 19.Qg6 Kd8 20.Bg5 Rf6 21.Qg8 Ke7 22.Bf6# 1–0. Taulien,Hans_Juergen – Sommerhaeuser,Burkh, remoteschach.de, 2003.

4.e4 Rb8 5.c3 Nd3 6.Bd3 e5 7.Nf3 Nf6 8.Ne5 d6 (8...Bb7 9.Bc4 d5 10.ed5 Bd5+–) 9.Nc6 Qe7 (9...Bg4 10.f3 Bf3 11.Qf3+–) 10.Ne7 Ke7 11.Ra7 Ng4 12.Rc7 Kd8 13.Rc8! Rc8 (13...Rc8 14.Qg4 Remove defender; 13...Kc8 14.Qg4 Remove defender) 14.Qg4 g6 15.Qf4 Be7 16.Qf7 Kd7 17.Ba3 Rcf8 18.Qd5 Rf4 19.b6 Rb8 20.Bb5 Kc8 (20...Kd8 21.Qc6 Re4 22.Kd1 Re1 23.Re1 Rb6 24.Qd7) 21.Qc6 Kd8 22.Qc7# (22.Qd7#) 1–0. pierre – poza, internet, 2010.

4.e4 d5 5.e5 Bf5 6.Na3 e6 7.d4 c5 8.bc6 Qa5 9.Bd2 Qa4 10.Nb5 Nc2 0–1. Trkn – Psychotic Neurotic, itsyourturn.com, 2000.

4.e4! e6 5.c3 Qh4 6.d3 Bc5 7.Nh3 Nf6 8.cb4 Bb4 9.Bd2 Bd2 10.Nd2 Bb7 11.Qc1 c6 12.bc6 Bc6 13.Qc5 Qh5 14.e5 Nd5 15.Nc4 f6 16.d4 Qg6 17.Nd6 Kd8 18.ef6 gf6 19.Be2 Qg2? 20.Rg1 Qh3 21.Nf7 Kc8 22.Ba6 Kc7 23.Qd6 Kb6 24.Rg3 Qg3 25.hg3 1–0. Bendig,Frank – Wartig,Wolfgang, email b4–00–01, 2000.

4.e4 Nf6 5.c3 Nc6 6.bc6 dc6 7.e5 Nh5 8.Qh5 g6 9.Qh4 Bg7 10.Nf3 Bf5 11.Ba3 e6 12.Qd8 Rd8 13.d4 Bc2 14.Nbd2 Rb8 15.Bc4 Bf5 16.0–0 Bh6 17.Bc5 Ra8 18.Ra6 Bc2 19.Nb3 Rb8 20.Na5 Rb1 21.Rb1 Bb1 22.Ra7 Kd7 23.Bd6 Rc8 24.Ba6 Rb8 25.Rc7 Kd8 26.Nc6 Ke8 27.Nb8 f5 28.Bb5 Kd8 29.Bc6 Bd3 30.Rh7 Ba6 31.Rh8 Bf8 32.Rf8# 1–0. Trkn – mr.yuck, itsyourturn.com, 2001.

4.e4+– Nf6 5.c3 Ne4 6.cb4 e6 +–.

2.a4 e5

3.Bb2 e4 4.ab5 Bb4?? (better is 4...Nf6 5.Ra4 a6) 5.Bg7+– e3 (5...Qg5 6.Bh8 Qb5 7.Nc3+–) 6.fe3 Qh4 7.g3 Qe4 8.Nf3 (8.Bh8?! Qh1 9.Nf3 Bb7+–) 8...Bb7 9.Bg2 Nh6 (9...Qc4 10.Bh8 Qb5 11.c3+–) 10.Bh8 Ng4 (10...Qc4 11.c3 Bd6 12.Na3 Ba3 13.Ra3+–) 11.0–0 (better is 11.c3 Bd6 12.Nh4 Nh2+–) 11...d6 (11...Bd2 12.Qd2 Qe3 13.Kh1 Qd2 14.Nbd2 Ne3+–) 12.Nh4 Ne3 13.Be4 Nd1 14.Bb7 Bd2 15.Nd2 (15...Ne3 16.Ba8 Nf1 17.Kf1+–) 1–0. Dumontelle,Joe – Landriault,R, Aug, 1979.

3.Bb2 Nf6 4.ab5 Bb4 5.Be5 d5 6.e3 Bf5 7.Nf3 Nbd7 8.Bb2 0–0 9.Be2 Bd6 10.0–0 Ng4 11.d3 Ndf6 12.Nbd2 Re8 13.Nb3 Qe7 14.Qd2 Ne4? 15.de4 de4 16.Qd4 f6 17.Qd5 Qe6 18.Qe6 Be6 19.Nfd4 Bh2 20.Kh1 Be5 21.Ne6 Bb2 1–0. Fritz,Harry – Koester, corr DDR, 1965.

3.ab5 a6 4.c3 Bb7 5.d4 ab5 6.Ra8 Ba8 7.de5 d6 8.Nf3 Nd7 9.ed6 Bd6 10.Nd4 Ngf6 11.Nb5 0–0 12.Nd6 cd6 13.Qd6 (13.Qd6 Bd5 14.e3+–) 1–0. orane (2040) – garlicpapper6 (2140), Live Game Caissa's Web, 2004.

3.ab5 d5 4.Ba3 Bd7 5.Nf3 f6 6.e3 e4 7.Nd4 Ne7 (7...f5 8.Qh5 g6 9.Qd1+/–) 8.d3 f5 9.c4 a6 10.Bb2 c6 11.de4 de4 12.Nc3 Ng6 13.c5 cb5 14.Bb5! Qc8 (14...ab5 15.Ra8 Pinning (15.Ra8 Deflection); 14...Bb5 15.Ndb5 Combination) 15.Nd5 Ra7 16.Nb6 Qc7 17.Ne6 (better is 17.Nd7!? Nd7 18.Ba6 Qe5+–) 17...Qb7 18.Bd7 Nd7 19.Qa4 Kf7 (19...Ke7 20.Nc7!! Nf6 21.Nbd5 Kf7 22.Nf6 gf6 23.Qb3 Kg7 24.Ne6 Kh6 25.Bf6 Qd7+–) 20.Nd8 Ke7 21.Nb7 Rb7 22.0–0–0 Nb6 23.Qc6 Rb8 24.cb6 Kf7 (24...Ne5 25.Qc7 Kf6 26.Qe5 Kg6 27.Qe6 Kh5 28.Qf5 g5 29.h4 Rc8 30.Kb1 Rc1 31.Kc1 Bb4 32.hg5) 25.Qd5 Ke8 26.Qd7 1–0. marekt – foxesox, internet, 2012.

3.c3 ba4 4.Ra4 (4.Qa4 Nf6=) 4...Nf6 5.d3 (5.d4 ed4 6.Qd4 Be7=) 5...Bb7 (5...d5 6.Nf3=) 6.e4 (6.Nf3 e4 7.de4 Ne4=) 6...Be7 (6...c5 7.Nf3=) 7.Bg5 (7.Nf3 d5+=) 7...0–0 (7...d5 8.Nf3=) 8.Nf3 d6 (8...d5 9.Ne5 Ne4 10.Bc1= (worse is 10.de4 Bg5 11.Nf3 Re8–/+)) 9.Nbd2 Nbd7 10.Be2 (10.Qa1 a6=) 10...h6 (better is 10...d5=) 11.h4?? (better is 11.Bf6 Bf6 12.0–0=) 11...hg5–+ 12.hg5 Nh7 (12...Ne8 13.g6–+) 13.g6–/+ fg6 (13...Ng5 14.Qa1–/+) 14.d4 (14.Qb3 Kh8 15.Qe6–/+) 14...g5 (14...Nb6 15.Ba6 Bc6 (15...Na4?! 16.Bb7 Qd7 17.Qb3 Kh8 18.Ba8 Ra8 19.de5=) 16.Qb3 Kh8+=) 15.Bc4 White prepares d5 (better is 15.de5 Nb6 16.Qb3 Rf7 17.ed6 cd6 18.Ra5+=) 15...Kh8?? (15...d5 16.ed5 Bd6 17.Ne5 Nhf6 (17...Ne5?! 18.de5 Qe8 19.e6=) 18.Nd7 Qd7–/+) 16.d5?? Nb6 17.Ra1 Nc4 18.Nc4 Qe8 19.Kd2? c6 20.Kc2? cd5 21.ed5 Qg6 22.Kb3 Kg8 23.Qd2 Nf6 24.Ne3 Ne4 25.Qe2 g4 26.Nh4 Bh4 27.Rh4 Rf2 28.Qg4 Nc5 29.bc5= Qg4 30.Rg4+= dc5 31.Rb1?? Bc8–+ 32.Kc4 Bg4 33.Ng4 Rf4 34.Kc5 Rg4 35.Rb2 Rc8 36.Kd6 Rc3 37.Ke5 Rd3 38.d6 Rg2 39.Rg2+= Kf7 40.Rf2 Ke8 41.Rg2 Kf8 42.Rf2 Ke8= 43.Re2 Kd7 44.Rg2 Re3 45.Kd4 Ra3–/+ 46.Kd5 Ra5 47.Kc4? g5 48.Rd2 g4 49.Kb4 Rg5 50.Rd4 g3 51.Rd1 g2 52.Rg1 Kd6 53.Kc4 Ke5 54.Kb5 Kf4 55.Ka6 Rg7 56.Kb5 Kf3 57.Kc4 Kf2 (57...Kf2 58.Ra1 g1Q 59.Rg1 Rg1–+) 0–1. grahamtrue (2110) – kode (2325), net–chess.com, 2008.

3.e3 ba4 4.Ra4 d5 5.Bb2 =.

3.ab5 Bb4

4.Bb2 d6 5.c3 Bc5 6.d4 ed4 7.cd4 Bb6 8.e3 Bb7 9.Nf3 Nf6 10.Nbd2 0–0 11.Be2 (11.Bd3 a5+/–) 11...Re8 12.0–0 Nbd7 13.Qb3 Bd5 14.Bc4 Bc4 15.Qc4 d5 16.Qb3 Qb8 (16...Qe7 17.Ne5+/–) 17.Ne5 Ne5 (17...Qb7!?+/–) 18.de5+– Nd7 19.Qd5 Nc5 20.Rfd1 Qd8 21.Qc4 (21.Qc6 Qd3+–) 21...Qd3 22.Bd4 Qc4 23.Nc4 Nb3 24.Rab1 (24.Ra3 Nd4 25.ed4 Rad8+/–) 24...Nd4+/– 25.ed4 (worse is 25.Rd4 Bd4 26.ed4 Red8–+) 25...Red8 (25...f6 26.f4+/–) 26.d5+– Rd7 27.Kf1 Rad8 28.d6 (28.Nb6?! ab6 29.Rdc1 Re7+=) 28...cd6 29.ed6 (29.Nd6?! f6 30.f4 fe5 31.fe5 Rf8 32.Ke1 Rf2=) 29...Bc5 30.Rd5 Rc8 (30...Bd6?? 31.Rbd1+– (31.Rd6?! Rd6 32.Nd6 Rd6+=)) 31.Ra1 Bf2?? (better is 31...f6 32.Ra6 Bb4+–) 32.Ne5 (32.Ne5 Rd6 33.Rd6+–) 1–0. Baumann,Walter (2100) – Bearce,Harold L (1730), ICCF FM/0862, 2009.

4.Bb2 d6 5.c3 Bc5 6.e3 Bb6 7.Qf3 d5 (7...c6 8.bc6 Qc7 9.Qg3=) 8.c4+/– Bb7 (8...f6 9.cd5 Bb7 10.Nc3+/–) 9.Be5 f6 10.Bf4 Nd7 (10...c5!?+–) 11.cd5 Ne7 12.Bc4 Nc5 13.d4 Nd7 (13...Ne6+–) 14.Ne2 0–0 (14...g5 15.Qh5 Ng6+–) 15.d6 Kh8 (15...Nd5 16.Bd5 Bd5 17.Qd5 Kh8 18.0–0+–) 16.de7 Qe7 17.Qb7 Qb4 18.Nd2 Ba5 19.e4 Rfe8 (19...Rab8 20.Qc6 Nb6 21.0–0 Nc4 22.Nc4+–) 20.0–0 Rec8 (20...Reb8 21.Qa6 Bb6 22.Bd5 Bd4 23.Ra4 Bf2 24.Rf2+–) 21.Rfb1 (21...Qd2 22.Bd2 Bd2 23.Ra7+–) 1–0. Taulien,Hans_Juergen – Neffgen,Dieter, remoteschach.de, 2002.

4.Bb2 Bd6 5.Nf3+/– Qe7 6.Na3 Nf6 (6...a6 7.Nc4 f6 8.Nd6 Qd6 9.e3+=) 7.Nc4+/– e4 8.Nd4 Be5? (Better is 8...Bc5 9.Nf5 Qf8+=) 9.Nf5+– (9.Ne5?! Qe5 10.e3 a6+/–) 9...Bb2?? (9...Qb4 10.Ng7 Kf8+–) 10.Ne7 (10.Nb2 Qf8 11.e3 d5=) 10...Ba1 11.Nc8 (11.Qa1?! Ke7 12.Qe5 Kd8+–) 11...Bd4 12.e3 Bc5 13.Qa1 0–0 14.Qe5 Rc8 15.Qc5 a6 (15...a5 16.b6 Nc6 17.b7+–) 16.b6 (Better is 16.Nd6!? Rf8 17.Qc7 ab5+–) 16...Nc6 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2002.

4.Bb2 Qe7 5.Nf3 d6 6.c3 Bc5 7.d4 ed4 8.cd4 Bb4 9.Bc3 d5 10.Qb3+/– Bc3 11.Nc3 Be6 12.e3 (12...Nf6 13.Qa3) 1–0. grandmaster goldberg – Zamoht, ChessWorld.net, 2005.

4.Bb2 Qe7 5.Nf3 d6 6.e3 Bb7 7.Ra4+/– Bc5 8.d4 ed4 9.Nd4 c6?? 10.Nf5+– Qg5 11.Re4 Kd7 12.Re5 Kc7 13.Rc5! d5 14.Qd5 Ne7 15.Qd6 (15...Kc8 16.Be5 Na6 17.ba6 Qe3 18.Ne3 Nd5 19.ab7 Kb7 20.Qc6#) 1–0. pierre_d – sydnios, chessmaniac.com, 2006.

4.Bb2 Qe7 5.Nf3 d6 6.e3 Nf6 7.c3 Bc5 8.d4.

4.Bb2 f6 +=.

4.c3 Be7 5.d4 e4 6.Qc2 =.

4.Nf3 Qf6 5.Bb2 d6 6.c3 Bc5 7.d4 Bb6 8.de5 de5 9.Qd5 c6 10.Qe5 Qe5 11.Ne5 cb5 12.e3 Bd7 13.Na3 Nf6 14.Nb5 Bb5 15.Bb5 Nbd7? (15...Ke7+–) 16.0–0–0 0–0–0 17.Nf7 Rhe8 18.Ba3 Nc5 (18...a5 19.Nd6 Kc7 20.Ne8 Re8 21.g4+–) 19.Be8 Rd1 (19...Re8 20.Nd6 Kd7 21.Ne8 Ke8 22.f3+–) 20.Rd1 Ne8 (20...Nce4 21.Bb5 Nf2 22.Re1+–) 21.Bc5 Bc7 (21...Bc5 22.Rd8 Kc7 23.Re8+–) 22.Ba7 Kb7 23.Bd4 g6 24.Be5 Be5 25.Ne5 g5 (25...Nf6 26.Rd4+–) 26.Rd7 Kc8 27.Rh7 Nf6 28.Rf7 Ne4 29.Kc2 Nd6 30.Rg7 Ne4 31.f3 (31.f3 Nf6 32.Rg5+–) 1–0. michaelbuss – Slickdaddy, ChessWorld.net, 2008.

4.Ba3 Ba3

5.Na3 a6 6.ba6 Nf6 7.Nc4 =.

4.c3 Bc5

5.d4 ed4

6.cd4 Bb6 7.Nf3 (7.e4 Bb7=) 7...Nf6 8.Bg5 h6 9.Bh4 0–0 (9...a5 10.e3+=) 10.e3 Bb7 11.Ne5 (11.Bd3 Qe7+=) 11...d6 (11...g5 12.Bg3+=) 12.Ng4+/– Nbd7 13.Bc4 (13.Bd3+/–) 13...Qe7 (13...c5!? 14.d5 Re8+/–) 14.Nc3+– Bg2? (better is 14...Kh8+–) 15.Rg1 Bb7 16.Nf6 (16.Bd5! Rab8 17.Bb7 Rb7+–) 16...Nf6 17.Rg6 d5 (17...Ba5 18.Ra5 Kh8 19.Bf6 gf6 20.Rh6 Kg7 21.b6+–) 18.Bf6 Qe6 (18...Qf6 19.Rf6 dc4+–) 19.Rg7 Kh8 20.Qd3 (20.Qd3 Qe4 21.Ne4 de4 22.Qf1 c6 23.Rf7 Kg8 24.Qg2#) 1–0. pierred (2540) – kode (2315), net–chess.com, 2007.

6.cd4 Bd6 7.e4 Qe7 (7...Bb7 8.e5 Qe7 9.Nf3+=) 8.Bd3 (8.e5 a6+=) 8...Nf6 (8...Bb7 9.Qe2+=) 9.e5 0–0? (better is 9...Bb4 10.Nd2 Bb7+=) 10.Qe2+– Re8 (10...Bb7 11.Kf1+–) 11.ef6 Bb4 (11...Qd8 12.Be3 Qf6+–) 12.Kd1 gf6 (12...Qd8 13.Qf3 Qf6 14.Qf6 gf6+–) 13.Qg4 Kf8 14.Bh6# 1–0. marekt – Miruska, sachy.sk, 2008.

6.cd4 Be7 7.e4 +=.

6.cd4 Qf6 7.Ra4 Bb6 8.e4 Qg6 9.Nc3 Ne7 10.Nf3 0–0 11.Ne5 Qd6 12.Ba3 Qe6 13.Bc4 d5 14.Nd5 Nd5 15.Bd5 Qe8 16.Bf8 Qf8 17.Ba8 Nd7 18.Nd7 Bd7 19.Bc6 Bc6 20.bc6 Qd6 21.Qg4 f6 22.Qd7 Qf4 23.Qe8# 1–0. marus2 – Crownsman3, internet, 2001.

3.e3 Bb4

4.ab5 a5 5.c3 (5.Bb2 f6+=) 5...Be7 6.Bb2 (6.d4 ed4 7.cd4 Nf6=) 6...Nf6 7.Na3 (7.c4 d6=) 7...d5 (7...e4 8.d3 d5 9.de4 Ne4 10.Nf3=) 8.Nf3 (8.c4 e4=) 8...e4+= 9.Ne5 Bd6 10.Nc6 (10.c4 0–0=) 10...Nc6–/+ 11.bc6 Bg4 (11...Be5 12.d4 ed3 13.Bd3+=) 12.Qc2 (12.Qa4 0–0+=) 12...0–0 (12...Be5 13.Nb5+=) 13.Bb5 (13.c4 Qe7+=) 13...Qe7 14.c4 Be5 (14...Rfb8 15.Qa4+=) 15.Be5 (15.cd5 Bb2 16.Qb2 Nd5+=) 15...Qe5 16.0–0 (16.Rb1!?+=) 16...Be2–+ 17.Rfe1? (better is 17.Rfc1–+) 17...Ng4 18.g3 Bd3 19.Qc3 Qf5 20.Rf1 Bf1 (20...Bf1 21.Rf1 Rfd8–+) 0–1. Zimmer,Georg – Rosner,Dirk, corr, 1994.

4.Qg4 Bf8 5.ab5 Nf6.

2.a4 e6

3.Na3 e6 4.c3 a5 5.Qb3 ab4 6.cb4 Ra4 7.Nc2 Ra1 8.Na1 f5 9.Nc2 Nf6 10.Nf3 Be7 11.e3 0–0 12.Be2 Bb7 13.0–0 Qb6 14.d4 Qc7 15.Bb2 Kh8 16.Ra1 ½–½. Franck,Mirko – Marquardt,Alexander, Neumuenster, 1997.

3.Bb2 c6 4.g3 (4.ab5 cb5 5.Na3 A) 5...Bb4 6.Bg7 (6.Nb5?! Nf6+=) 6...Qe7 7.Nb1+– (7.Bh8?! Ba3 8.e3 b4+–); B) 5...Nc6+=) 4...a6 (4...Bb4?? 5.Bg7 Nf6 6.Bh8+–) 5.Bg2 Bb7 (5...Bb4?? 6.Bg7 d5 7.Bh8+–) 6.Nh3 d5 (6...Bb4?? 7.Bg7 d5 8.Bh8+–) 7.0–0 Nd7 (7...Bb4?? 8.Bg7 Nf6 9.Bh8+–) 8.d3 Ngf6 (8...Bb4?? 9.Bg7 Ngf6 10.Bh8+–) 9.c3 Bd6 10.Nd2 0–0 11.Qb3 c5 12.ab5 ab5 13.Ra8 Ba8 14.bc5 Nc5 15.Qb5 Qc7 16.Ra1 Bc6 17.Qa5 Qd7 (17...Qb7 18.Bc1=) 18.Qa7 Qa7 19.Ra7 Na4 20.Ra6 (20.Ba1 Nb6+/–) 20...Rc8+= 21.Ba1 Bf8 (21...Nc5!? 22.Ra2 e5+=) 22.c4+/– Nc5 23.Ra2 Ng4 (23...Ncd7 24.Ng5+/–) 24.Nf4 g6? (better is 24...dc4 25.Nc4 Bg2 26.Kg2 Nb3+/–) 25.cd5+– ed5 26.Nd5 Bd5 27.Bd5 Nd7 28.Nc4 Bc5 29.e3 Rb8 30.Ra8 h5 (30...Ra8 31.Ba8 f5 32.d4+–) 31.Rb8 Nb8 32.h3 Nh6 33.d4 Be7 34.e4 Kh7 35.Ne5 f6 36.Nc6 Nc6 37.Bc6 Nf7 38.f4 Bd6 (38...Kg7 39.e5+–) 39.e5 Bb4 40.d5 fe5 41.fe5 Bc5 42.Kg2 Nd8 43.Kf3 Kg8 44.Be8 Kh7 45.Kf4 Be7 (45...Kh6 46.Bc3+–) 46.Ba4 (better is 46.d6!? Ne6 47.Ke4 Bf8+–) 46...Nf7 47.h4 g5 (47...Bc5 48.Bc3+–) 48.hg5 Bg5 49.Kf5 Kh6 50.d6 Nd8 (50...h4 51.gh4 Bh4 52.Be8+–) 51.e6 Nb7 52.Be5 Nc5 (52...h4+–) 53.e7 1–0. UncleBulgaria – 321sacrifice419, ChessWorld.net, 2016.

3.Bb2 Nf6 (--> 2.Bb2 Nf6 3.a4 e6).

3.Nc3 Bb4 4.ab5 Nf6 5.e4 d6 6.Bb2 c6 7.Ra4 a5 8.ba6 =.

3.Nc3 d5 4.e4 ba4 5.Qe2 de4 6.Qe4 c6 7.Ra4 Nf6 8.Qh4 =.

3.d4 a5 4.e4 Nf6 5.ab5 Ne4.

3.e4 ba4 4.c3 Bb7 5.d3 a5 6.ba5 Bc6 7.Nf3 d6 8.Nbd2 =.

3.e4 Bb7 4.ab5 a6 5.c3 Be4 6.ba6 Na6 7.Bb2 c5 8.b5 =.

3.Bb2 Bb4??

4.ab5?! Nf6=.

4.Bg7 ba4 5.Bh8+–.

3.ab5 Bb4

4.Ra4 a5 5.c3 Be7 6.e4 Bb7 7.Qf3 Nf6 8.d3 0–0 9.Qg3 d5 10.e5 Ne8 11.d4 c5 12.Nf3 cd4 13.Bd3 dc3 14.Qh3 g6 15.Bh6 Qc7 16.0–0 Ng7 17.Rc1 Nd7 18.Rc3 Qb8 19.Qg3 Nc5 20.Rd4 Nd3 21.Bg7 Kg7 22.Rcd3 Ba6! 23.ba6 Qb1 24.Rd1 Rfb8 25.h3 Qf5 26.Ra4 Rb1 27.Rb1 Qb1 28.Kh2 Ra6 29.Qf4 Qc2 30.Nd4 Qd1 (30...Qa4?! 31.Ne6 Re6 32.Qa4 Re5 33.Qa5=) 31.Nf3 Kg8 32.Ra2 Qb3 33.Ng5 Bg5 34.Qg5 Qb6 (34...Qa2?! 35.Qd8 Kg7 36.Qf6 Kf8 37.Qd8 Kg7 38.Qf6 Kh6 39.Qh4 Kg7 40.Qf6=) 35.Qe7 Ra8 36.Qg5 a4 37.Qd2 Qb1 38.Ra3 Qe4 (39.Qc3 Rb8–+) 0–1. Trkn – guest1091, ICC, 2004.

4.Ra4 c5 5.Bb2 f6 6.e4 d5 7.ed5 e5 8.d6 Nd7 9.c3 Ba5 10.Qb3 Kf8 11.Qa2 Bb6 12.Bc4 Bb7 13.Bd5 Bd5 14.Qd5 Rc8 15.c4 Qe8 16.Ne2 Rd8 17.0–0 f5 18.Qd3 g6 19.Re1 Ngf6 20.Nf4 Kg7 21.Nd5 Qe6 22.Nf6 Qf6 23.f4 Rhe8 24.Qd5 Qe6 25.fe5 Kf8 26.Ra1 h6 27.d3 Kg8 28.Nc3 g5 29.Qe6 Re6 30.Nd5 Rde8 31.h4 f4 32.Nc7 Bc7 33.dc7 Rc8 34.Ra7 Nb6 35.hg5 Kg7 36.d4 Nc4 37.d5 Ree8 38.d6 1–0. Rosner – Wolf,H, ST, 2000.

4.Ra4 Bc5 5.Nf3 (5.d4 Be7+=) 5...d5 (5...a6 6.d4 Be7 7.e4+=) 6.d4 Bd6 (6...Be7 7.e3+=) 7.c4 (7.Ba3 a6+=) 7...Bd7 (7...dc4!? 8.e4 Nd7+=) 8.c5+/– Bb5 (8...Be7!? 9.e3 Nf6+/–) 9.Rb4+– (9.cd6?! Ba4 10.Qa4 Nd7+/–) 9...a6 (9...Bc5 10.dc5 a6 11.Nc3+–) 10.cd6 Qd6 (10...cd6 11.Nc3 Nc6 12.Rb2+–) 11.Ba3 a5?? (better is 11...Qb6+–) 12.Rb5 Qa3 (12...Qd8+–) 13.Na3 a4 14.Rb7 (better is 14.Rb4 Nd7 15.Ra4 Rb8+–) 14...c6 15.Qb1 Nf6 16.Rb8 Rb8 17.Qb8 Ke7 18.Qh8 Ne4 19.Qg7 Kd6 20.Ne5 f6 (20...Ng5 21.Qf8 Kc7 22.Qe7 Kb8 23.Nc6 Kc8 24.e4 Nf3 25.gf3 de4 26.Ba6) 21.Qd7# 1–0. marre – gast, internet, 2010.

4.c3 Bc5 5.d4 Bb6 6.Nf3 Bb7 7.Nbd2 c6 (7...Nf6 8.Qc2+=) 8.e4+/– c5 9.Ba3 Ba5 (9...cd4 10.Nc4 (worse is 10.cd4 d5+/–; 10.Nd4?! d5+=) 10...Bc7 11.Qd4+–) 10.Qc2 (better is 10.Bc5 d6 11.Ra5 Qa5 12.Bb4+– (12.Bd6?! Qc3 13.Qb1 Nf6+=)) 10...Qf6? (better is 10...cd4 11.Nd4 d5+/–) 11.Bc5+– Bb6 (11...Bc7 12.Ra7 Ra7 13.Ba7+–) 12.Bb6 ab6 13.Ra8 Ba8 14.Qa4 Bc6 (14...Be4 15.Ne4 Qf4 16.Ned2+–) 15.bc6 dc6 16.Nc4 (16.e5 Qd8+–) 16...Qd8 (16...Qf4 17.Nfe5 (17.Nb6?! Qc1 18.Qd1 Qc3 19.Nd2 Qd4+–) 17...Qe4 18.Be2 Qg2 19.Bf3 Qf3 20.Nf3+–) 17.Qa3 c5 (17...Qe7 18.Nd6 Kf8 19.e5+–) 18.dc5 bc5 19.Qc5 (19.Qc5 Nd7 20.Nd6 Kf8 21.Qa7+–) 1–0. pierre – tomasmargaritis, internet, 2015.

4.c3 Bc5 5.d4 Bd6 6.c4 Ne7?? 7.c5+– c6 8.cd6 Nd5 9.e4 Nb6 10.Nc3 Bb7 11.Nf3 0–0 12.Qb3 h6 13.Bd3 f6 14.0–0 Re8 15.Bd2 Nc8 16.bc6 dc6 17.Qb7 Nd6 18.Qa8 e5 19.de5 fe5 20.Ra7 Qf6 21.Rb1 Nb5 22.Nb5 cb5 23.Bb5 Rc8 24.Bc4 Kh7 25.Rb8 Rc4 26.Rh8 Kg6 27.Qe8 Qf7 28.Qf7 1–0. pereira – MEGADANRIOS, internet, 2011.

4.e4 Bb7 5.Bb2 Nf6 6.e5 Nd5 7.Qf3 Qc8 8.Qg3.

4.e4 Nf6 5.e5 Nd5 6.Qg4 (6.c3 Be7+=) 6...0–0= 7.c3 Bc5 (7...Be7 8.c4 Nb4 9.Qe4=) 8.d4+= Be7? (better is 8...f5 9.Qg3 Be7+=) 9.Bh6+– (9...g6 10.Bf8 Bf8 11.c4 Bb4 12.Nd2+–) 1–0. Baumann,Heinz – Neffgen,Dieter, RSX9E – A00 – Sokolsky–1, 2002.

4.Ba3 Ba3

5.Ra3 c6 6.e4 Nf6 7.e5 Nd5 8.Nf3 d6 (8...0–0 9.c4 Nb4 10.Nc3+/–) 9.d4 (9.c4 Nb4 10.Nc3+=) 9...cb5 10.Bb5 Bd7 11.c4 (11.Bc4 Nc6+=) 11...Bb5+= 12.cb5 de5 13.Ne5 Qb6 (better is 13...Nd7=) 14.Qb3?? (14.Nc3!? Nc3 15.Rc3+=) 14...0–0 (14...Qd4!? 15.Nc4 Nd7–/+) 15.0–0+= f6 (15...Qd4!? 16.Re1 Rc8=) 16.Nc4+= Qd4 17.Nbd2 (17.Rd1!? Qc5 18.Ne3 Ne3 19.Qe6 Kh8 20.Re3 Qb5 21.Nc3+=) 17...Nd7+= 18.Qh3 (18.Nf3 Qc5+=) 18...Nf4 19.Qg4 (better is 19.Qe3 Nb6 20.Re1 Qe3 21.fe3+=) 19...Rfe8?? (better is 19...Ne5 20.Ne5 fe5–+ (20...Qe5?! 21.Re3 Qf5 22.Qf5 ef5 23.Ra1–/+; 20...Qd2?! 21.Nc6+=)) 20.g3+– e5 21.gf4 ef4 22.Rd1 (22.Rc1!? Ne5 23.Ne5 Qe5 24.Nc4+–) 22...Ne5+/– 23.Ne5 Re5 24.Qf3 Rae8 (24...Rd8 25.Raa1 Rg5 26.Kh1+/–) 25.Raa1 (better is 25.Qb3!? Qd5 26.Nf3 Qb3 27.Rb3+–) 25...Rb5+= 26.Ne4?? (better is 26.Nf1 Qc5 27.Qf4+/–) 26...Qe4–/+ 27.Qe4 Re4 0–1. bhunterd – egcimfar, gameknot.com, 2014.

5.Na3 Nf6 6.e3 a6 7.Qf3 Nd5 8.e4 =.

4.c3 Be7

5.e4 Bb7 6.e5 =.

5.e4 d6 6.d4+= Nf6 7.Bd3 Bb7 8.Qe2 0–0 (8...c6 9.Nf3=) 9.Nf3+= Nbd7 10.0–0 c6 11.bc6 Bc6 12.c4 e5 (12...Qc7 13.Nc3+=) 13.Nc3+/– ed4 14.Nd4 Bb7 15.Rd1 Nc5 e4 draws heavy fire 16.Bc2 Re8 17.f3 Bf8 (17...a6 18.Nf5 Bc8 19.Ne7 Qe7 20.Bf4+/–) 18.Bg5 h6 19.Be3 a6 20.Nf5 Qc7 21.Qd2 Rad8 22.Qf2 Kh7? 23.Nd6!+– Bd6 24.e5 A double attack 24...g6 25.ed6 (25.ed6 Rd6 26.Bc5+–; 25.Rd6?! Ncd7 26.Rad1 Qc4+–; 25.ef6 Bh2 26.Kh1 Bg3 27.Rd8 Rd8–/+) 1–0. pierred (2540) – kode (2315), net–chess.com, 2007.

5.e4 e5 6.d4+/– d6 (6...d5 7.ed5 e4 8.Qa4+/–) 7.Nf3 Bg4 (7...Nf6 8.Bd3+/–) 8.Bc4 (8.h3 Bh5+–) 8...Nf6 (8...Nd7!?+/–) 9.de5+– de5 10.Qd8 Bd8 11.Ne5 0–0? (better is 11...Be6 12.Nd2 Nbd7 13.Be6 Ne5+–) 12.Ba3 (12.Ng4 Ng4 13.Bd5 c6 14.bc6 Bb6+–) 12...Be6 13.Bf8 Bc4 (13...Kf8 14.Be6 fe6 15.Nd2+–) 14.Nc4 Kf8 15.Nbd2 (15.e5 Nd5+–) 15...Nbd7 16.Ke2 Nc5 17.f3 1–0. pierred (2605) – kode (2325), net–chess.com, 2008.

3.ab5 Nf6

4.Ra4 A) 4...Bb7 5.Bb2 (5.c3 a6 6.ba6 Ra6 7.Ra6 Na6+=; 5.d4 c6 6.c4 cb5 7.cb5 Be7=; 5.Nf3 c6 6.c3 cb5 7.Ra1 a5=) 5...a6 6.ba6 Bc6 7.Ra3 Na6+=; B) 4...Be7 5.Bb2 (5.Nc3 Bb7 6.Bb2 a6 7.ba6 Ra6+=; 5.d3 Bb7 6.e4 a6 7.e5 Nd5+=; 5.Nf3 Bb7 6.d4 c6 7.e3 cb5=) 5...0–0 6.Nc3 d5 7.Nf3 Nbd7+=; C) 4...a6 5.ba6 (5.Nf3 Bb7 6.ba6 Ra6 7.Ra6 Na6+=; 5.c3 Bb7 6.ba6 Ra6 7.Ra6 Na6+=; 5.d4 Bb7 6.ba6 Ra6 7.Ra6 Na6+=) 5...Ra6 6.c3 Ra4 7.Qa4 Be7+=.

4.c3+/– a6 5.Nf3 (5.d4 Be7 6.e4 Ne4 7.Qg4 Nf6+=; 5.d3 d5 6.Bg5 Bd6 7.e3 h6+=; 5.ba6 Ba6 6.d3 d5 7.b5 Bb7+=) 5...Be7 6.d4 0–0 7.Bg5 Bb7 +/–.

4.c3+/– Bb7 5.e3 (5.d3 d5 6.Be3 a6 7.ba6 Ra6+=; 5.Nf3 Be7 6.d4 0–0 7.Bg5 Bf3+/–; 5.d4 Be7 6.f3 d5 7.Bg5 a6+/–) 5...Be7 6.Nf3 0–0 7.d4 a6 +/–.

4.c3+/– d5

5.Qa4 Bd7 6.Nf3 Bd6 7.d4 0–0 +/–.

5.d4 Bd6 6.Bg5 h6 7.Bh4 Nbd7 +/–.

5.e3 Bd6 6.d4 0–0 7.Nf3 c6 +/–.

5.Nf3 Bd6 6.e3 (6.d4 0–0 7.Bg5 Nbd7+/–) 6...0–0 (6...e5 7.Be2 e4+/–) 7.d4 c6 8.bc6 Nc6 9.Bd3 a6 10.0–0 Qc7 11.Bb2 Re8 12.Nbd2 e5 13.de5 Ne5 14.Ne5 Be5 15.h3 Bb7 16.Ra5 Qe7 17.Nf3 Bc7 18.Ra4 Ne4 19.Qe2 Qd7 (19...a5+/–) 20.Ba6 (20.Rfa1 Bd6+/–) 20...Bc6 (20...Qa4!? 21.Bb7 Rad8+/–) 21.Raa1 Ra6 22.Qa6 (22.Ra6? Bb5 23.Ne5 Be5–+ (23...Re5?! 24.Ra8 Re8 25.Re8 Qe8 26.c4 Bc4 27.Qg4–/+)) 22...Bb5 23.Qa7 Bf1 (23...Qd6 24.Rfd1 Ng5 25.Ne5 Re5 26.f4 Nh3 27.gh3 Qg6 28.Kh2 Qc2 29.Kh1 Qe4 30.Kh2 Qc2 31.Kh1 Qe4 32.Kh2 Qc2=) 24.Kf1 Qb5 25.Kg1 Qe2 26.Qc7 Qb2 27.Ra7 (27.Rf1!? Nc3 28.Qd7+/–) 27...Qf2+= 28.Kh2 Rf8 29.b5 Qe3 30.b6 Nf6 (30...Qc3?? 31.Qc3 Nc3 32.b7+–) 31.Ra6 Ne8 32.Qb8 Qh6 (32...Nf6 33.Qe5 Qh6 34.Qg5 Qg5 35.Ng5+=) 33.Qa8 (33.Ra8!? Qd6 34.Ne5 Qb8 35.Rb8+=) 33...Qf4+= 34.Kh1 Nf6 35.b7 Nd7 36.Rc6 Nb8 37.Rc8 Qd6 38.c4 dc4 39.Nd4 (39.Rc4?! Qd1 40.Ng1 Qd7=) 39...g6 (39...Qd4?? 40.Qb8 Qa1 41.Kh2+–) 40.Nb5 Qd1?? (40...Qe5 41.Qa3 Qe1 42.Kh2 Qe5 43.Qg3 Qg3 44.Kg3 h6+–) 41.Kh2+– Qd7 42.Rb8 (better is 42.Qb8 Qe7+–) 42...Rb8 43.Qb8 Kg7 44.Qc7 (44.Qc7 Qb5 45.b8Q Qb8 46.Qb8+–) 1–0. soltpl (2045) – garcia2102 (2050), gameknot.com, 2015.

5.f4 Qd6 6.e3 Nbd7 7.Nf3 Qb6 8.d4 +/–.

3.c3 ba4

4.Nf3 d5 5.Ne5 =.

4.Nf3 Nf6 5.Qa4 c5 =.

4.Nf3 Nf6 5.Ra4 d5 6.d4 Bd7 (6...Bd6 7.e3=) 7.Ra1 Bd6 8.Bg5 (8.e3 0–0=) 8...h6 9.Bh4 (9.Bf6 Qf6 10.e3 0–0=) 9...Nc6 (9...Bb5 10.Na3 Ba6 11.Bg3=) 10.e3+= a5 11.ba5 (11.Bf6 gf6 12.ba5 Ra5 13.Ra5 Na5=) 11...Ra5 (11...Na5 12.Bd3+=) 12.Ra5 Na5 13.Nbd2 (13.Bd3 c5=) 13...c5 14.c4 (14.Ne5 Nc6 15.Nd7 Qd7+=) 14...cd4=+ 15.Nd4 g5 16.Bg3= Bg3 17.hg3 e5 18.N4f3 e4 19.Ng5+/– Rg8 20.Nh3 Nc4 21.Nc4 dc4+= 22.Bc4 Qa5 23.Kf1 Bb5 24.Bb5 Qb5 25.Kg1 h5 26.Nf4 Ke7 27.Ne2 Rb8= 28.f3 Qd3=+ 29.Kf2 Rb2–/+ 30.Re1 Nd5 31.Qc1?? Rc2–+ 32.Qd1 Nc3 33.Qa1 Ne2 34.Re2?? Qe2 35.Kg1 Qe3 36.Kh2–+ ef3 (37.Qg1 f2–+) 0–1. Fengsrud,Roy – Baerschneider, corr 3GMM–09, 1997.

3.c3 c6

4.ab5+/– cb5 5.Na3 a6 6.Nb5!+/– Nc6 7.Nf3 a5 8.e4 Ba6 9.ba5+– Na5 10.d4 Nf6 11.e5 Bb5 12.Bb5 Rb8? 13.Qa4 Ne4 14.Qa5 Qc8 15.c4 Be7 16.0–0 Bd8 17.Qa3 Rb5 18.cb5 Be7 19.Qa8 Qa8 20.Ra8 Bd8 21.b6 0–0 22.b7 Bc7 23.Ba3 Rb8 24.Rc1 f6 25.Rc7 (25...fe5 26.Rb8 Kf7 27.Ne5 Kf6 28.Bc1 Nd6 29.Rf8 Ke7 30.b8Q Nf7 31.Rf7 Kd6 32.Rfd7#) 1–0. Bohnke,H (2005) – Dolezalova,M, OCC–2002–05, 2002.

3.d4 Bb4

2.Bb2 a5

3.a4 ab4 4.ab5 Ra1 5.Ba1 c6 6.bc6 Nc6 7.d4 Qa5 8.Nd2 Ba6 9.Ngf3 d6 10.e4 Bf1 11.Rf1 e6 12.Nb3 Qh5 13.Qe2 Nf6 14.d5 Ne5 15.Be5 de5 16.Qb5 Nd7 17.Qc6 Be7 18.d6 Bd8 19.Nc5 0–0 20.Nd7 f5 21.Nf8 1–0. Bonetti,Shane – knightglen, ICC, 2002.

3.ba5 Ra5 (--> 1.b4 a5 2.ba5 Ra5 3.Bb2 b5).

3.ba5 c6 4.e3 Qa5 5.Nf3 Qa3?? (better is 5...d5=) 6.Ba3+– Ra3 (6...Nf6 7.c4 bc4 8.Bc4+–) 7.Na3 b4 8.Nc4 Na6 9.Nb6 Bb7 10.c3 c5 11.Ba6 Ba6 12.Qa4 Bd3 13.Qd7 1–0. Fournier,Frederic – NN, jeu.europe–echecs.com, 2013.

3.ba5 e6 4.e3 Ra5 5.Nf3 Nf6 6.Be2 Be7 7.0–0 0–0 8.Nc3 b4 9.Nb1 c5 10.d4 cd4 11.Qd4 Nc6 12.Qf4 Nd5 13.Qg4 Bf6 14.Nd4 Bb7 15.c4? (better is 15.a3+=) 15...bc3!–+ 16.Nc3 Nd4 17.ed4 Nc3 18.Bc3 Rg5 19.Qf4 Rg2 20.Kh1 Rg4 21.Qf3 Bf3 22.Bf3 Rh4 23.a4 Qc7 24.Rac1 Qh2# 0–1. Neumann,Frank – Degterev,Pavel (2225), CP–2011–P–00028, 2011.

3.ba5 Nf6 4.a4 Ra5 5.Nc3 =.

3.Nc3 ab4 4.Nb5 c6 5.Nd4 e5 6.Nb3 Qc7 7.e4 Nf6 8.Nf3 d6 9.Bc4 Be7 10.d3 0–0 11.0–0? (11.a3 d5 12.ed5 cd5–/+) 11...Nbd7 (11...d5!? 12.Be5 Qb7 13.ed5 cd5 14.c3 dc4 15.dc4–+) 12.a3 ba3 13.Ba3 (13.Ra3!? Rb8 14.Ra1–/+) 13...Nb6 14.Nbd2 Bg4 (better is 14...Ra3!? 15.Ra3 d5–/+) 15.Bb3=+ d5 16.Be7 Qe7 17.h3 Ra1 18.Qa1 Bf3 19.Nf3 Nfd7 20.Qb2 Kh8 21.Nd2 f5 22.f3 (22.ed5!? Nd5 23.Bd5 cd5 24.d4=+) 22...Qc5 23.Kh1 Qe3 24.c4 Qd3 (better is 24...fe4!? 25.de4 d4–/+) 25.cd5 cd5 26.Rd1 fe4 (26...de4?! 27.Ne4 Qe3 28.Nd6=) 27.Ne4 Qb5 (27...de4 28.Rd3) 28.Nc3= Qb4 29.Nd5 Nd5 30.Rd5 Nc5 31.Re5?? (better is 31.Qe5 Nb3 32.Rd7=) 31...Nd3–+ (31...Nb3?! 32.Re4 Qb5 33.Re3–+; 31...Qb3?! 32.Qb3 Nb3 33.Rb5–+) 32.Re4 Qe4!! (32...Nb2 33.Rb4 Nd3 34.Rd4+/–) 33.Qg7 (33.fe4 Rf1) 33...Kg7 34.fe4 Nc5 35.Bd5 Kf6 36.g4 Ke5 37.Kg2 Ne4 38.Be4 Ke4 39.Kg3 Rf3 40.Kh4 (40.Kg2 Kf4–+) 40...Kf4 41.Kh5 (41.g5–+) 41...Rh3# 0–1. San Martin Perez,S – Echaniz de Fays,CJ (2000), Pasao–18..T–06., 1998.

3.e3 c6 (--> 1.b4 c6 2.Bb2 b5 3.e3 a5).

3.e4 Bb7 4.f3 ab4 5.Bb5 Nf6 6.d4 g6 (6...c6 7.Bd3=) 7.Ne2 Bg7 8.0–0 0–0 9.c4 (9.a3 c6 10.Bd3 Qb6) 9...bc3 (9...c6 10.Ba4=) 10.Nbc3 c6 11.Ba4 Ba6 12.Rb1 Be2 13.Ne2 Na6 14.Ba3 Ra7 15.Qc2 Re8 16.Bb3 Qa5 17.Bc1 Nb4 18.Bf7 (18.Qd1!?) 18...Kf7= 19.Qb3 Nbd5 20.ed5 Nd5 21.Rb2 Qa4 22.Qd3 Rea8 (22...e5 23.de5 Be5 24.Rd2–/+) 23.f4 (23.Re1 e6=+) 23...Qa3 24.Qd2 Qd6 (24...e6 25.Rf3 Qa5 26.Qd1–/+) 25.f5= Nf6 (25...gf5!? 26.Rf5 Kg8=) 26.fg6 hg6 27.Qc2 Qd5 28.Be3 (28.Rf2 A) < 28...Ra2 29.Nf4 Rb2 30.Qg6 Kf8 31.Nd5 (31.Bb2?! Qf7=; 31.Rb2?? Qd4 32.Rf2 Ra1–+) 31...Rf2 32.Kf2 Nd5 33.Bh6 Ra2 34.Kg3 Bh6 35.Qh6 Kg8 36.Qg6 Kf8 37.Qf5 Ke8 38.Qh5 Kd8 39.Qh8 Kc7 40.Qg7+–; B) 28...Ra3=) 28...Ra3 (< 28...Ra2 29.Nf4 Qa5 30.Bd2) 29.Nf4 (29.Qc1!?=) 29...Qe4=+ 30.Rb3?? (better is 30.Qe4 Ne4 31.Nd5 Bf6 32.Nb6–/+) 30…Qc2–+ (31.Rf2 Qe4–+) 0–1. Mueller,Alfred – Meyer,Juergen, Schleswig Holstein–ch, 1992.

3.a3 a4

4.e3 c6!? +=.

4.e3 Nc6? 5.Bb5+– e5 6.Bc6 dc6 7.Be5 c5 8.bc5 Qg5 9.Bg3 (Better is 9.Nf3!? Qd8+–) 9...Bg4 10.f3 Be6 11.Ne2 (11.Bc7? Qg2 12.d4 Qh1–+) 11...Bc5 12.f4 Qf6 13.d4 Bd6 14.Nd2 Ne7? (14...Qe7 15.c4 Ba3 16.c5+/–) 15.Ne4 Qg6+/– 16.Nd6 cd6 17.0–0 Bg4 18.Rb1 0–0 19.h3?? Be2–/+ 20.Qe2 Qg3 21.Qg4? Qe3–+ 22.Rf2 Qd4 23.Qe2 Nf5 24.Kh2 Rae8 25.Qf1 Re3 26.Rd1 Qe4 27.Ra1 Ng3 28.Qd1 Re2 29.Re2?? Ne2 30.g3 Qf3 31.Qe1 Re8 32.Rd1 Re3 33.Rd6 h6 34.c4 Nf4! 35.Qd2 Re2 (36.Qe2 Qe2 37.Kg1 Qg2) 0–1. valpa – dc, HCL–C2295 playchess.de, 2003.

4.e3 e5 5.Be5 d6 6.Bb2 (worse is 6.Bb5 c6 7.Bc6 Nc6+=) 6...Bb7 (6...c6 7.c4 bc4 8.Bc4+/–) 7.Nf3 (7.Bb5 c6 8.Be2 c5+–) 7...Nf6 (7...Qd7 8.Be2+–) 8.Be2 (8.Bb5 c6 9.Be2 Be7+–) 8...Nbd7 (8...c6 9.c4 bc4 10.Bc4+/–) 9.0–0 (9.Bb5 c6 10.Be2 Be7+–) 9...Ng4? (9...c6!?+/–) 10.h3 Bf3 (10...Nge5+–) 11.Bf3 (11.gf3?! Nh6 12.d4 c6+–; 11.hg4?! Be2 12.Qe2 Rb8+/–) 11...Nf2 (11...Nge5 12.Ba8 Qa8+–) 12.Rf2 Qg5 (12...Ra6+–) 13.Ba8 d5 14.Qf3 f6 15.Bd5 Nb6 (15...Bd6 16.Nc3 Bg3 17.Rff1+–) 16.Bc6 Nd7 17.Qe4 Be7 18.Bd7 (better is 18.Qe6 Kf8 19.Qd7 Kf7 20.Bd5 Qd5 21.Qd5 Kg6 22.Qb5 Bd8+–) 18…Kf7 1–0. Valpa – Dc, playchess.de, 2006.

3.a3 ab4

4.ab4 Ra4 5.Ra4+/– ba4 6.c4 c5 7.bc5 Qa5 8.Ba3 e6 9.c6 (9.Nc3!? Bc5 10.Bc5 Qc5 11.Qa4+/–) 9...Ba3 10.cd7 Bd7 11.Na3 Nf6 12.e3 Ke7 13.Nf3 Ne4 (13...Rd8!?+=) 14.Bd3 f5 15.0–0 Qc5 (15...Rc8 16.Be4 fe4 17.Ne1+/–) 16.Qc1 Bc6 17.Nd4 (17.Qb2 Nf6 18.Be2 Nbd7+–) 17...Nd2 18.Nc6 (better is 18.Qb2!? Rg8 19.Rd1+/– (19.Nc6?! Nc6 20.Rd1 Nb3+=)) 18...Nc6= 19.Rd1 Nb3 20.Qb2 Rg8 21.Bc2 Rb8?? (better is 21...Qe5 22.Qb1 Rb8+=) 22.Qg7+– Ke8 23.Nb5 Rb5 24.cb5 Qc2 25.Qd7 Kf8 26.Qc8 Kg7 27.Rd7 Kf6 28.Qh8 Kg5 29.Rg7 Kf6 30.Rh7 Kg5 31.Qg7 1–0. Valpa – Thrustnicely, playchess.de, 2005.

4.ab4 Ra1

5.Ba1 Na6 6.c3 c5 7.bc5 Nc5 8.e3 Ba6 9.d4 Ne4 10.Nd2 d5 11.Ne4 e6?? (better is 11...de4 12.Qb3 Qd7+=) 12.Nd2+– Nf6 13.Ngf3 Bd6 14.Be2 0–0 15.0–0 Ng4 16.g3 f5 17.Ne1 Qg5 18.Bg4 (18.Nd3!? Qh5 19.Nf3 Rf6+–) 18...fg4 19.f4 gf3 20.Rf3 Bc8 21.Qe2 Qg4 (21...Bd7+–) 22.Rf8 Kf8 23.Qg4 g6 24.e4 (24.Qh4 Ke8+–) 24...b4 25.ed5 Kf7 26.de6 Be6 27.Qe2 (better is 27.Qf3!? Ke7 28.Qb7 Kd8+–) 27...b3 28.Qb5 Ba3 29.Qb3! Bc1 (29...Bb3 30.Nb3 Combination) 30.Qc2 Bd2 31.Qd2 h5 32.d5 (32.d5 h4 33.Qf4 Ke7 34.Qh4 Kd7 35.Qa4 Ke7 36.Qb4 Kd7 37.Qb7 Kd6 38.Qc6 Ke7 39.Qe6 Kf8 40.d6 g5 41.c4 g4 42.Qf6 Ke8 43.Qe7) 1–0. Valpa – Dc, HCL–C2379 playchess.de, 2003.

5.Ba1 Na6 6.e3 Nb4 7.Bb5 c6 8.Be2 e6 9.Nf3 Bd6?? (better is 9...Nf6+=) 10.Bg7+– f6 11.Bh8 Qe7 12.0–0 Nh6 13.Nd4 (13.c3 Nf7+–) 13...Be5 (13...Qf8 14.c3 Nd5+–) 14.c3 Nd5 15.Bh5 Nf7 (15...Kf8 16.e4 Nf4 17.g3+–) 16.f4 (better is 16.Qc2 Bd4 17.Qh7 Be5+–) 16...Ba6 (16...Bd4 17.ed4 Kf8 18.Bf7 Kf7 19.c4+–) 17.Rf2 (better is 17.fe5 Bf1 18.Qf1 f5+–) 17...Bd6 (17...Bd4 18.cd4 Qf8 19.f5 ef5 20.Qa4+–) 18.Qa4 Nc7 19.Qc2 Kf8 (19...f5 20.Be5 Be5 21.fe5+–) 20.Qh7 Ke8 21.Qg8 Qf8 22.Qf8 Bf8 23.Bf6 Bb5 24.Nb5 cb5 25.d4 Nd5 26.Bh4 Ne3 27.Re2 Nd5 28.f5 Nf4 29.Bf7 Kf7 30.fe6 de6 31.Rf2 Bh6 32.g3 Kg6 33.gf4 Kh5 34.Bg3 Kg4 35.Rb2 Bf8 36.Rb5 Kf3 37.Re5 Bd6 38.Re6 (38.Re6 Bc7 39.f5+–; 38.Nd2 Kg4 39.Rg5 Kh3 40.Ne4 Bf4 41.Nf2) 1–0. Valpa – Idris, playchess.de, 2004.

5.Ba1 Nc6 6.e3 Nb4 7.Bb5 c6 8.Ba4 Nf6 9.c4 g6 10.Qb3 c5 11.d4 Bb7= 12.Nf3 Bf3 13.gf3 Qc7 14.dc5 Qc5 15.Bd4 Qa5 16.Bc3 Nd3? 17.Ke2 Nc5 18.Ba5 Nb3 19.Bb3 Bg7 20.Nd2 0–0 21.Rb1 Nh5 22.Bc2 Ra8 23.Bc7 Ra2 24.Rb8 Bf8 25.Bb1 Ra3 26.Be5 Ng7 27.Bb2 Ra7 28.Ne4 Ne6 29.f4 f5 30.Ng5 Ng5 31.fg5 Kf7 32.c5 e6 33.Bd4 Ra5 34.Rc8 e5 35.Be5 Bc5 36.Rh8 Rb5 37.Rh7 Ke8 38.Bd3 Ra5 39.Bf6 Ra2 40.Kf3 Ba3 41.Bc4 Rc2 42.Rh8 Bf8+– 43.Bb3 Rc6 44.Bg7 Kd8 45.Bf8 Kc7 46.Bb4 1–0. Fredek (2090) – Guest, Freundschaftspartie, 5m + 0s, 2005.

5.Ba1 e6 6.e3 c6 7.Nf3 Bb7 (7...Bb4?? 8.Bg7 Nf6 9.Bh8+–) 8.Be2 Na6 (8...Bb4?? 9.Bg7 Nf6 10.Bh8+–) 9.c3 Qa8 10.Bb2 Nc7 11.0–0 c5 (better is 11...Qa4!?=) 12.bc5+/– Bc5 13.c4 bc4?? (better is 13...Nf6 14.cb5 Bf3 15.Bf3 Qa5+/–) 14.Bg7+– (14.Bc4?! Bf3 15.Qf3 Qf3 16.gf3 Nf6=) 14...h6 15.Bh8 f6 (15...Ne7 16.Bc4 Bf3 17.Qf3 Qf3 18.gf3+–) 16.Bc4 (16.Qc2 Be4 17.Qc4 Qd5+–) 16...d5 (16...Bf3 17.gf3 d5 18.Be2+–) 17.Be2 Kf7 (17...Ba6+–) 18.Qc2 Ke7 (18...Ne7 19.Qc5 Ba6 20.Ne5 fe5 21.Bh5 Kg8 22.Qe7 Qf8 23.Qc7 Kh8+–) 19.Qc5 Kd7 20.Rc1 Bc6 21.Bf6! Nf6 22.Ne5 Kc8 23.Nc6 Ng8 24.Ne7 Ne7 (24...Kd8 25.Qc7 Ke8 26.Bh5 Kf8 27.Ng6 Ke8 28.Ne5 Kf8 29.Qf7) 25.Qc7 1–0. Valpa – Footyhead, playchess.de, 2005.

5.Ba1 e6 6.e3 f6 7.c3 (7.Qh5 g6 8.Qb5+/–) 7...c5 (better is 7...c6!?=) 8.bc5+/– Bc5?? (8...Bb7 9.d4+/– (9.Bb5?? Bg2 10.Qg4 Bh1–+)) 9.Bb5 (better is 9.Qh5 g6 10.Qc5 Bb7+–) 9...Qa5? (better is 9...Bb7 10.Nf3 Qa5+/–) 10.Be2?? (better is 10.Qh5 Kd8 11.Qc5 Qa1 12.Qf8 Kc7 13.Bd3+–) 10...Qa1–+ 11.Nf3 Ba6 12.0–0 Be2 13.Qe2 Ne7 14.Qb5 Ba7 15.Qb4 (15.d4 Qa6 16.c4 Qb5 17.cb5 d5–+) 15...Nec6 (15...Nbc6 16.Qe4–+) 16.Qd6 (16.Qe4 0–0–+) 16...Qa6 17.Na3 Ne5 18.Qa6 Na6 19.Nd4? Bd4–+ 20.cd4 Ng4 21.h3 Nh6 22.Ra1 0–0 23.Nc4 Nb4 24.Ra7 d5 25.Nd6 Nc6 26.Ra6 Ne7 27.Ra7 Nef5 28.Nb5 e5 29.de5–/+ fe5 30.Nc3 d4–+ 31.Nd5 de3 32.de3 Rd8 33.Ne7 Ne7 34.Re7 Rd1 35.Kh2 Rf1 36.f3–/+ Nf5 37.Re5 g6 38.e4 Ng7 39.Re7+= Nh5 40.e5 Rf2 41.e6 Nf4?? 42.Kg3+– Rg2 43.Kf4 Kf8 44.Rh7 Re2 45.Rf7 Ke8 46.Rf6 Rh2? 47.Kg3 Re2 48.Rg6 Ke7 49.h4 Re6 50.Re6 Ke6 51.Kg4 Kf6 52.h5 Kg7 53.Kg5 (53.Kg5+–) 1–0. Fournier,Frederic (1965) – sebas77, Owl21.com, 2009.

3.c3 ab4

4.cb4 d6 5.g3 (5.Nc3 c6=) 5...Be6 (5...e5 6.Nc3 Bb7 7.e4=) 6.a4 (6.Nc3 Nf6=) 6...ba4 7.Ra4 Na6?? (7...Ra4 8.Qa4 Bd7 9.b5=) 8.Bc3?? (Better is 8.e4 Bc8 9.Bb5 Bd7 10.Qe2+– (10.Ra6?! Bb5 11.Ra8 Qa8=; 10.Ba6?! Ba4 11.Qa4 Qd7 12.Qd7 Kd7+–)) 8...c5 9.e3 cb4 (9...Nb4 10.Bb4 Bd7 11.Ra8 Qa8 12.Nf3 cb4 13.Bg2–/+) 10.Bb5 (10.Ba6!? bc3 11.Bb5 Bd7 12.Bd7 Kd7 13.Nc3+=) 10...Bd7= 11.Ba6? Ra6 12.Ra6 bc3 13.Nc3 Qc8 14.Qa1 Bc6 15.e4 f6 16.Nf3 d5? 17.d3 de4 18.de4 Kd8 19.Qa5 Ke8 20.Nd4 Be4 21.Qb5 Kf7= 22.Nc6?? Bh1 23.Qb8?? Qe6 24.Kd2 Qd7 25.Kc2 Bc6 0–1. garyp – coral, Live Game Caissa's Web, 2004.

3.e3 ab4

4.Bb5 Ra5 5.a4 c6 6.Be2 e5 7.Nf3 e4 8.Nd4 Nf6 9.Nb3 Rg5 10.0–0 d5 11.f3 Be7 12.a5 0–0 13.a6+/– Nbd7 14.Nd4 Qc7 15.a7 Bb7 16.h4 Rg6 17.Nf5 Nc5 18.fe4 Nce4 19.h5 Rg5 20.h6 g6 21.Ne7 Qe7 22.d3 Ng3 23.Rf6 Qe3 (24.Rf2 Rf5–+) 0–1. Klaus Behrmann – nitousche, ChessWorld.net, 2004.

4.Bb5 Ra5 5.Be2 Bb7 6.Nf3 Nc6 7.c3 e5 8.cb4 Nb4 9.a3 Bf3 10.Bf3?? (Better is 10.gf3 Nc6 11.Nc3=) 10...Nd3–+ 11.Ke2 Nb2 12.Qb3 Na4 13.Nc3 Nc3 14.Qc3 Rc5 15.Qb2 c6 16.d4 Rb5 17.Qc2 ed4 18.ed4 Qb6 19.Rhe1 Qd4 20.Kf1 Be7 21.Bc6 Rb2 (21...dc6?! 22.Qc6 Qd7 23.Qa8 Qd8 24.Qc6 Qd7 25.Qa8 Qd8 26.Qc6 Qd7=) 22.Bd7 Kd7 (< 22...Qd7 23.Qb2 f6 24.a4+=) 23.Qf5 Ke8 24.Qc8 Qd8 25.Qc3 Rd2 26.Qg7 Qd4 27.Qg3 Qd3 28.Qd3 Rd3 29.a4 Nf6 30.a5 Kd7 31.a6 Bd6 32.a7 Ra8 33.Reb1 Rc3 34.Rb7 (34.Ra6 Rc7 35.Rba1 Ne4–+) 34...Rc7 35.Rb8 (35.Rc7 Kc7 36.Ra6 Ne8–+) 0–1. weBNimzo (2105) – Gargouille (2015), ChessWorld.net, 2003.

2.Bb2 a6

3.a3 c6 4.Nf3 a5 5.e4 (5.d3 d6=) 5...ab4 6.ab4 Ra1 7.Ba1 Na6 8.c3 Bb7 (8...d5 9.e5=) 9.d4 Qa8 (9...d5 10.Nbd2) 10.Bb2 (10.Nbd2 Nc7) 10...c5 (better is 10...Nc7!?) 11.dc5+– Be4 12.Bb5 Bf3?? (better is 12...Qb7 13.Na3 Nb8) 13.Qd7 (13.gf3?! Nf6+/–; 13.Qf3?! Qf3 14.gf3 Nb8+–) 1–0. Wall,Bill – Suntan, internet, 2005.

3.a3 Nc6 (--> 1.b4 a6 2.Bb2 Nc6 3.a3 b5).

3.a3 d6 4.e3 Bb7 5.Nf3 Nc6 6.c4+= bc4 7.Bc4 d5 (7...e5 8.0–0+=) 8.Be2+/– Nf6 9.0–0 e6 10.d3 Be7 11.Nbd2 0–0 12.Re1 (12.Rc1 Rb8+=) 12...Qd6 13.Rc1 e5 14.e4 (14.Qc2 Nd7+=) 14...d4= 15.Nc4 Qd7?? (15...Qe6 16.Ng5 Qd7 17.Qd2+=) 16.Qc2?? (better is 16.Nce5 Ne5 17.Ne5+–) 16...Bd6= 17.Qa4 Rad8 18.Qb3 Ne8 19.b5 ab5= 20.Qb5 e5 draws heavy fire 20...Bc8?? 21.Nce5 Ne5–/+ 22.Ne5?? Qb5–+ 23.Nc6 Nf6 24.Bd4 Qg5 25.g3 Rd7 26.e5 Be5! 27.Ne5 Rd4 28.Nf3 Qd5 29.Nd4 Qd4 30.Bf1 Nd5 31.Rc4 Qb6 32.Rec1 Be6 33.R4c2 Rb8 34.Bg2 Qd4 35.Rc4 Qd3 36.Rc6 Qd2 37.Bd5 Bd5 38.Rc7 Re8 39.R7c2 Qd3 40.Rc3 Qe4 41.f3–+ Qd4 42.Kg2 Re2 43.Kh3 Be6 44.g4 Bg4! 45.fg4 Re3 46.Re3 Qe3 47.Kh4 Qc1 48.h3 Qa3 49.Kg5 f6 50.Kf4–+ Qb4 51.Kf3 Qb7 52.Kg3 Qc7 53.Kf3 g5 0–1. Fournier,Frederic (1875) – javo298 (1785), Active (2/0), 2005.

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

3.e3 h5 4.h4 (4.a4 ba4 5.Ra4 Nc6+=) 4...e5 5.a3 f6 6.Nc3 d5 7.d4 e4 8.f3 f5 9.Nh3 Be7 10.Nf4 Qd6? (better is 10...Bh4 11.Kd2 Bg5=) 11.Ncd5+– Rh6 (11...Nd7 12.c4+–) 12.fe4 fe4 13.Be2 Bf5 (13...Nf6 14.Nf6 Bf6 15.Bh5 Kd8 16.c4+–) 14.Ne7 Ne7 15.c4 bc4 16.Bc4 c6 17.Qb3 Nd5 18.Nd5 (better is 18.Bd5!? cd5 19.Qd5 Qd5 20.Nd5+–) 18...cd5 19.Bd5 Be6? (better is 19...Qg3 20.Kf1 Rf6+–) 20.Bc4?? (better is 20.Be6!? Re6 21.0–0+–) 20...Bc4?? (20...Qg3 21.Kd1 Qg2=) 21.Qc4+/– Qg3 22.Kd1 Qg2 23.Qc8 (23.Rf1!? Qg4 24.Kd2 Qg2 25.Qe2+–) 23...Kf7 24.Qf5 White claimed a win on time (24.Qf5 Kg8 25.Qd5 Kh7 A) 26.Qa8?? A1) 26...Qh1?! 27.Kc2 Qf3 28.d5 (28.Qb8? Qe3 29.Rd1 Qe2 30.Rd2 Rc6 31.Kb3 Qd2–+) 28...Qe2 29.Kb3 Qd3 30.Bc3=; A2) 26...Rc6 27.Qc6 Qh1 28.Kc2 Qh2 (28...Nc6?? 29.Rh1 Ne7 30.Rf1+–) 29.Kb3 Nc6–+; B) 26.Re1 Qb2 27.Qe4 Rg6 28.Rc1=) 1–0. BLUEMOONIE – rgp, ChessWorld.net, 2013.

3.e4 d6 4.d4 e6 5.d5 e5 (5...Nf6 6.Qf3=) 6.Be2 Nf6 7.Qd3 Bg4 (7...c6 8.Nc3=) 8.h3 (8.Bg4 Ng4 9.Nf3 c6+/–) 8...Be2 9.Ne2 h6 10.Ng3 g6 11.0–0 Bg7 12.Nd2 (12.a4 ba4 13.Ra4 0–0+/–) 12...0–0 13.c4 Nbd7 14.cb5 ab5 (14...Qb8 15.a4+/–) 15.Qb5+– Nh5 (better is 15...Rb8 16.Qc4 Qe7+–) 16.Nh5 gh5 17.Qe2 Qg5 18.Nf3 Qf6 (18...Qd8 19.a4+–) 19.a4 h4 20.a5 Qf4 21.a6 (21.Bc1 Qf6+–) 21...Kh7 (21...f5 22.Bc1 Qe4 23.Qe4 fe4 24.Nh4+–) 22.a7 Rg8 (22...f5 23.Bc1 Qe4 24.Qe4 fe4 25.Nh4+–) 23.Bc1 Qf6 24.Qb5 Nb6 25.Be3 (25.Qc6 Bh8 26.Ne1 Qd8+–) 25...Bf8 (25...Qg6 26.Rfc1 Qe4 27.Rc7 Nd5+–) 26.Bb6 (26.Ne1!? Bg7+–) 26...cb6 (26...Qf3 27.g3 hg3 28.Qc4 gf2 29.Kh2 Qg2) 27.Qb6?? (better is 27.Ne1 Qf4 28.Qc6+–) 27...Qf3 28.g4 (28.g3 hg3 29.Qb7 gf2 30.Kh2 Qg2) 28...Qh3 (28...Rg4 29.hg4 h3 30.Qd6 Qg2) 29.f3–+ Qg3 (better is 29...h5!? 30.Qb7 hg4 31.Qf7 Rg7 32.Qf5 Kh8–+) 30.Kh1–/+ Be7 31.Qg1 Qg1 (31...Bg5 32.Qg3 hg3 33.Kg2+=) 32.Kg1 (better is 32.Rg1!? h5 33.b5+=) 32...Bd8 33.Kh2 Bb6 34.Ra6 Ba7 (34...Bd4 35.Rd6 Ra7 36.Kh3–/+) 35.Kh3 (better is 35.Rfa1 h5 36.Kh3 hg4 37.fg4=) 35...Rgd8?? (better is 35...Be3 36.Rd6 Ra2–/+) 36.f4?? (better is 36.Rfa1!? Rd7 37.b5+/–) 36...Rd7?? (36...Bd4 37.Ra8 Ra8 38.fe5 Ra3 39.Kh4 Be5 40.g5–+) 37.f5?? (better is 37.Rfa1 ef4 38.b5=) 37...Rb8 38.Rb1 Bf2 39.b5 f6 (39...Rdb7 40.Ra5–+) 40.Kg2 (40.Rb2!? Bg3–+) 40...Bc5 41.Kh3 Rdb7 42.Ra5 h5! 43.gh5 Bf2 (43...Rg8 44.Rb3–+) 44.Kg4? (better is 44.Rb2 Bg3 45.Ra6–/+) 44...Rg7–+ 45.Kf3 (45.Kh3 Kh6 46.Ra2 Bb6–+) 45...Bd4 (better is 45...Bb6 46.Ra6 Rg3 47.Ke2 Re3 48.Kd2 Re4–+) 46.Ra6 (46.Rc1 Rbg8 47.Ke2 Rg2 48.Kd3 R2g3 49.Kd2 Rh3–+) 46...Rg3 (46...Rbg8 47.Ra2 Rg3 48.Ke2 Rg2 49.Kd3 Ra2 50.Kc4 Ra4 51.Kb3–+) 47.Ke2 Kh6 (better is 47...Re3 48.Kf1 Rg8–+) 48.Rd6 Kh5 49.Rf6 Ra8 (better is 49...Re3!? 50.Kd2–+) 50.Ra6 Rc8 51.Rc6 Rb8 52.d6?? (52.Rf6 Re3 53.Kd2 Re4 54.d6–+) 52...Re3–+ 53.Kd2 Re4 (53...Rg8 54.Re1 Rg2 55.Kd1 Rd3 56.Kc1–+) 54.f6 (54.d7 Rd8 55.Rc7 Bb6–+) 54...Kg6 (54...Rf4 55.d7 Rd8 56.Rd6–+) 55.d7? (better is 55.b6–+) 55...Rd8 56.Rd6 Be3 57.Kd3 (57.Kc3 Rd4 58.Rc6 R4d7–+) 57...Rd4 58.Rd4 Bd4 (58...ed4?! 59.b6 Kf6 60.b7–+) 59.b6 Bc5 (better is 59...Rd7 60.Ke4 Rb7–+ (60...Kf6?! 61.b7 Ba7 62.Rb6 Kg5 63.b8Q Bb8 64.Rb8–+)) 60.Kc4 Bd6?? (better is 60...Bb6 61.Rb6 Rd7–+) 61.Kd5+= Rd7 62.Ke6 Rd8 63.Rd1 h3 64.Rd6 Rd6 65.Kd6 Kf6 66.b7 h2 67.b8Q h1Q 68.Qf8 Kg6 69.Qe8 Kg5 70.Qg8 Kf4 71.Qf7 Kg3 72.Qg6 Kh2 73.Ke5 Qe1 74.Qe4 Qe4 75.Ke4 ½–½. Booony (1845) – angel027, ChessWorld.net, 2014.

3.e4 e5 4.Be5 d6 (4...Nc6!? 5.Bb2 Qe7=) 5.Bb2 f6 6.Nf3 Qe7 7.d3 (7.Nc3 c6+/–) 7...Bb7 8.Be2 d5 9.0–0 de4 10.de4 Qe4? (better is 10...Qb4 11.Bc3 Qe7+= (< 11...Qe4 12.Re1 Ne7 13.Bb5 ab5 14.Re4 Be4 15.Qe2 Bf3 16.Qf3+–)) 11.Re1+– Be7 12.Nbd2?? (better is 12.Bb5 ab5 13.Re4 Be4 14.Nc3+–) 12...Qc6? (better is 12...Qb4!? 13.Rb1 Qa5=) 13.Bf1 Nh6 14.Nd4 Qd5 (14...Qd7!?+/–) 15.a3 0–0?? (better is 15...Qd7 16.c4 0–0+–) 16.Re7 Rc8 17.Ne6 (better is 17.c4 Qd6 18.Re6+–) 17...Nc6 (17...Nf5 18.Nc7 Qc6 19.Rg7 Ng7 20.Na8 Ba8+–) 18.Rg7 Kh8 19.Nc7 (19.Bf6!? Qe6 20.Rg6 Qf6 21.Rf6 Kg7+–) 19...Qd6 (19...Qf5 20.Bd3 Kg7 21.Bf5 Rc7 22.Ne4+–) 20.Na8 (better is 20.Nb5 ab5 21.Rb7 Ra7 22.Rb5 Ne5+–) 20...Kg7 21.Nb6 Rd8 22.Be2 (better is 22.Qf3 Na5 23.Qe3 (23.ba5?! Bf3 24.Nf3 Qc5+–) 23...Qh2 24.Kh2 Ng4 25.Kg3 Ne3 26.fe3 Rd2 27.ba5 Rc2 28.Bd4+–) 22...Qd2 23.Qd2 Rd2 24.Bd3 Ne5 25.Be5 (better is 25.Bc3!? Rd3 26.cd3 Nd3+–) 25...fe5 26.f3 Nf7 27.Nd7 Nd6 28.Ne5 Ne8 29.Re1 Nc7 (29...Nd6+–) 30.Ng4 Nd5 31.Ne3 (31.Nf2 h6+–) 31...Nc3 (31...Nf4 32.Rd1 Rd1 33.Nd1 h6+–) 32.Nf1 Rd3 33.cd3 Bd5 34.Nd2 h5 35.Nb1 Nb1 36.Rb1 Kf6 37.d4 Kf5 38.Kf2 Kf4 (38...h4+–) 39.Re1 Kf5 40.Re5 (40...Kf6 41.Rd5+–) 1–0. valpa – Grunert, HCL–C1958 playchess.de, 2003.

3.Nf3 h6 4.e3 Bb7 5.c4 bc4 6.Bc4 d5 7.Be2 e6 8.a3 Be7? 9.d3 Bf6 10.Qc2 Bb2 11.Qb2 Qf6 12.Qf6 Nf6 13.Nbd2 0–0 14.0–0 Nbd7 15.Rfc1 c6 16.Nb3 e5 17.Na5 Rab8 18.Nb7 Rb7 19.Rc6 Nb8 20.Rc2 e4 21.Nd4 ed3 22.Bd3 Nbd7? 23.Rac1 Ne4? 24.Be4 de4 25.Rc7 Rc7 26.Rc7 Ne5 27.Ra7 f5 28.Ra6 Nc4 29.a4 Rb8 30.b5 Kh7 31.Nf5 Nb6 32.Nd4 Nd5 33.a5 Nc3 34.b6 Na4 35.Ra7 Nb6 36.ab6 Rb6 37.g3 Rb1 38.Kg2 Rd1 39.Nf5 Kg6 40.Ng7 h5 41.Ne6 Kf6 42.Nf4 Kg5 43.Ra5 Kg4 44.h3 1–0. Fournier,Frederic (1995) – woojtas76 (1795), Active (5/0), 2004.

3.g3 c6 4.Bg2 d5 5.Nf3 Bf5 6.0–0 e6 7.Nh4 Bg6 8.Ng6 hg6 9.a4 Bb4 10.ab5 cb5 11.Na3 Nf6 12.Nb5 Be7 13.Nd4 Nbd7 14.Nc6 Qc7 15.Ne7 Ke7 16.d3 Rh6 17.c4 Rah8 18.h4 Qb7 19.Bc1 R6h7 20.Qa4 Ra8 21.Bd2 Qb2 22.Bb4 Ke8 23.Rfe1 Qe5 24.f4?? Qe3–+ 25.Kh2 a5?? 26.Bc3?? Ng4 27.Kh3 Nf2 28.Kh2 Ke7?? 29.cd5?? Ng4–+ 30.Kh3 f5 31.de6 Qe6 32.Ba8+– Kf7 33.Qa2 Nf2 34.Kg2 Ng4 35.e4 Ndf6 36.ef5 gf5 37.Qe6 Kg6 38.Ra5 Rh8 39.Qf5 Kh6 40.Bf6 Nf6 41.Be4 Ne4 42.Qh5# 1–0. ariank – olek1935, kurnik, 2011.

3.a3 Bb7

4.d3 d5 5.Nd2 e6 6.Ngf3 Nd7 7.g3 Ngf6 8.Bg2 c5 9.bc5 Bc5 10.0–0 0–0 11.c4 dc4 12.dc4 Qb6 13.h3 Rfe8 ½–½. Babiy,A (2450) – Kolisnichenko,Svitlana, Sun Pawn Open, Ilichevsk UKR, 2007. (=1.a3 a6 2.b4 b5 3.Bb2)

4.e3 Nc6 5.Nf3+= d6 (5...Nf6 6.c4 bc4 7.Bc4+=) 6.c4 bc4 7.Bc4 e6 8.d4 d5 9.Bd3 Bd6 10.Nbd2 Nf6 11.0–0 0–0 12.h3 (12.Nb3+/–) 12...Ne4 (better is 12...a5!? 13.b5 Ne7+=) 13.Ne4+/– de4 14.Be4 f5 15.Bd3 g5 (15...Qf6!?+/–) 16.Qc2 (16.Bc4 Qf6+–) 16...h5 (16...Nb8 17.Ne5+–) 17.Ne5 (17.d5!? ed5 18.Bf5 Kf7+–) 17...Ne5 18.de5 Be7 19.f3 (19.Rac1 c5 20.Rfd1 Qd5+–) 19...Rf7 (19...c5 20.bc5 Bc5 21.Qc5 Qd3+–) 20.Rad1 Rc8? (20...Qe8+–) 21.Ba6! Ba6 22.Rd8 Rd8 23.Rd1 Rff8 24.Rd8 Rd8 25.Bd4 Bb7 26.Qc7 Bd5 27.Qe7 Rf8 28.Qg5 Kh8 29.Qh5 Kg7 30.Qg5 Kh7 31.h4 Rg8 32.Qg8! Kg8 33.b5 Kf8 34.a4 Ke8 35.a5 Kd7 36.b6 Kc8 37.h5 Bc6 38.h6 Kb7 39.h7 Ka6 40.h8Q Ka5 41.Qd8 Kb5 42.Qc7 f4+– 43.ef4 Kc4 44.Bf2 Kd5 45.b7 (45.b7 Kc4 46.Qc6 Kd3 47.Be1 Ke2 48.Qc3 Kd1 49.Qd2) 1–0. Fournier,Frederic (1895) – sUiCiDa, Active (3/0), 2006.

4.e3 d5 5.Nf3 e6 6.Nc3 h6 7.Bd3 Bd6? (7...Nf6 8.0–0=) 8.0–0 (8.Nb5 Bf8 9.Nc3 Nf6+/–) 8...Nd7? (8...Nf6 9.Nd4=) 9.Qe2 (better is 9.Nb5 Bf8 10.Nc3+/–) 9...e5= 10.Ne1 (10.Bf5 Ne7 11.Bh3 0–0=) 10...Qh4 (better is 10...e4!? 11.Bb5 ab5 12.Nb5 Bf8–/+) 11.Nf3 Qe7 12.e4 Ngf6 (better is 12...d4!? 13.Nd1 c5+=) 13.ed5+/– Nd5 14.Rfe1 (14.Nd5 Bd5 15.Rae1 0–0+/–) 14...Nc3 (14...Nf4!? 15.Qe3 Nd3 16.Qd3 0–0=) 15.Bc3+/– 0–0 16.Bb2 (better is 16.Ne5!? Ne5 17.Be5+=) 16...Rfe8= 17.c3? (better is 17.Be4 Be4 18.Qe4=) 17...e4–+ 18.Be4 (better is 18.Bb5 ab5 19.Qb5–+) 18...Be4 19.d3 Bf3 20.gf3 (20.Qe7 Re7 21.Re7 Be7 22.gf3–+) 20...Qg5 21.Kh1 (21.Kf1 Re2 22.Re2 Bh2 23.Re3–+) 21...Re2 22.Re2 Qh4 (22...Qf4 23.Re8 Re8 24.Kg2 Qh2 25.Kf1 Qh1) 23.c4 Qh2 0–1. pieeater – Daz101, ChessWorld.net, 2012.

4.e3 e6 5.c4 c6 6.c5 Nf6 7.d4 Be7 8.Bd3 0–0 9.Nd2 d6 10.Ngf3 dc5 11.bc5 Nbd7 12.Qc2 Qc7 13.0–0 a5 14.e4 b4 (14...h6!?+=) 15.ab4+/– ab4 16.e5 Nd5 17.Bh7 Kh8 18.Ne4 (better is 18.Bd3!?+–) 18...g6 19.Neg5 Bg5 20.Ng5 Kg7? (better is 20...Qd8!? 21.Ra8 Ba8+/–) 21.Ne6! fe6 22.Qg6 (22.Bg6?! Ba6 23.Rfb1 Nf4=) 22...Kh8 23.Qh6 N7f6 24.Bg6 (better is 24.Be4! Nh7 25.Ra8 Ra8 26.Qe6+–) 24...Nh7+/– 25.Bh7 Qh7 26.Qe6 Nf4 27.Qb3?? (better is 27.Qg4 Ra1 28.Ba1+= (worse is 28.Ra1 Nd3+=)) 27...Rg8 (27...Qe4 28.Qf3 Ne2 29.Qe2 Qe2 30.Rab1–+) 28.g3?? (better is 28.Ra8 Ba8 29.g3–/+) 28...Raf8 29.d5?? cd5?? 30.e6+/– Rg7 31.Qb4?? Ne2 32.Kg2–/+ Qe4?? 33.Qe4+– de4 34.Bg7 Kg7 35.Ra7 Rb8 36.c6 Kf6 37.c7 Nf4 38.Kh1 e3 39.Rb7! e2 40.Re1 Rc8 41.gf4 Kf5 42.e7 Kf4 43.Rb8 Rc7 44.e8Q (44.e8Q Kf5 45.Rb5 Kf6 46.Qe5 Kg6 47.Rg1 Kf7 48.Rg7 Kf8 49.Rb8 Rc8 50.Rc8) 1–0. nimzo1 – retiponziani, ChessWorld.net, 2013.

4.e3 Nf6 5.Be2?? (5.Nf3 e6=) 5...e6?? (better is 5...Bg2 6.Bf3 Bh1 7.Bh1 d5–+) 6.Nf3= d5 7.d3 (7.0–0 c5 8.a4 c4=) 7...Nbd7 8.0–0 Be7 9.Nbd2 0–0 10.Rc1 (10.Nb3 Rb8=) 10...Rc8 (10...a5 11.Rb1=) 11.c4 bc4 12.dc4 dc4 13.Nc4+= c5 14.bc5 Nc5= 15.Qd8 Rfd8 16.Rfd1 Rd1 17.Rd1 h6 18.h3 Nce4 19.Nd4 Ng4?? 20.hg4+– f5 21.gf5 ef5 22.Nf3 Bf6 23.Bf6 gf6 24.Rc1 Kf7 25.Bf1 a5 26.a4 Ba6 27.Rc2 Bc4 28.Rc4 Rc4 29.Bc4 (29.Bc4 Ke7 30.Nd4+–) 1–0. Fournier,Frederic (1850) – chanstef (1860), Active, 2007.

4.Nf3 d6 5.e3 e5 6.c4 Nf6 (better is 6...e4!? 7.Nd4 c5 8.bc5 dc5=) 7.cb5+/– ab5 8.Bb5 c6 9.Be2 Be7 10.d4 ed4 11.Nd4 0–0 12.0–0 Nbd7 13.Bf3 Ne5 14.Nf5 Qd7 15.Be5 (15.Be5 Qf5 16.Bd6+/–) 1–0. Fedoseev,Vl3 (2310) – Fedoseeva,V (1755), Chigorin Memorial, St Petersburg RUS, 2008. (=1.a3 a6 2.b4 b5 3.Bb2 Bb7)

4.Nf3 f6 5.e3 (5.d4 e6+=) 5...e5= 6.Be2 Be7 7.c4 (7.0–0+=) 7...Nh6 (better is 7...bc4!? 8.Bc4 d5=) 8.cb5+/– ab5 9.Bb5 Ba6 (9...Nf7 10.0–0+/–) 10.Nc3 (10.Ba6 Ra6 11.d4 e4+/–) 10...Bb5 11.Nb5 c6 12.Nc3 0–0 (12...d5 13.0–0+/–) 13.Qe2 (13.d4 Nf7+–) 13...Kh8 (13...d5 14.0–0+/–) 14.0–0 Nf5 (14...d5 15.d4 e4 16.Nd2+/–) 15.d4 (15.Qd3 Nh6+–) 15...ed4 16.ed4 Re8 (16...d5 17.Rfe1 Re8 18.Qc2+/–) 17.Qd3+– Na6?? (better is 17...Nd6+–) 18.Qf5 Nc7 19.Rfe1 (19.d5 cd5 20.Nd5 Rb8+–) 19...Bd6 20.Ne4 Nb5 21.Nd6 Nd6 22.Qf4 Nc4 23.Bc3 Re1 24.Re1 Ra3 25.Qc1 Ra8 26.Nd2 Nd2 27.Qd2 Ra6 28.d5 cd5 29.Qd5 Qa8 30.Qa8 Ra8 31.h3 Kg8 32.Rb1 Kf7 33.b5 g5 34.b6 Kg6 35.b7 Rb8 36.Ba5 Kf7 37.Bc7 Rb7 38.Rb7 Kg6 39.Ba5 h6 40.Rd7 f5 41.g4 fg4 42.hg4 Kf6 43.f3 Ke6 44.Rh7 Kf6 45.Rh6 Ke5 46.Kg2 Kf4 47.Bc7 Ke3 48.Rf6 Kd3 49.Kg3 Kd2 50.Rf5 (50.Rf5 Kc2 51.f4 gf4 52.Kf4 Kb3 53.g5 Kc4 54.g6 Kb3 55.g7 Kb4 56.g8Q Kc3 57.Ba5 Kb2 58.Rb5 Kc1 59.Qc4 Kd1 60.Rd5) 1–0. Fournier,Frederic (1910) –matenquatre (1950), Active (1/0), 2003.

3.a3 Nf6

4.a4 =.

3.a4 ba4

4.Ra4 Bb7 5.e3 e6 6.Nf3 Bf3 7.Qf3 Nc6 8.c3 Rb8 9.Ba6 Ne5 10.Qg3 Bd6 11.Qg7 Qf6 12.Qf6 Nf6 13.0–0 1–0. Wall,Bill – FastPlay, Microsoft Gaming Zone, 1999.

4.Nf3 Nc6!? =.

4.Nf3 d6 5.c4+/– Bd7 6.Nc3 e5 (6...Nf6 7.e3+= (worse is 7.Na4 Nc6=; worse is 7.Ra4 Ba4 8.Qa4 Qd7+=)) 7.g3+/– (worse is 7.Ra4 Ba4 8.Qa4 Nd7+=) 7...Be7 8.Bg2 (8.Na4?! Nf6=; 8.Ra4?! Ba4 9.Qa4 Nd7=) 8...Ra7 9.d4 Bf6 (better is 9...ed4!? 10.Na4 c5+/–) 10.de5+– de5 11.Ne4 Qe7 12.0–0 Nh6 13.Qd2 (better is 13.Ba3 Qe6 14.b5 ab5 15.cb5+–) 13...0–0?? (better is 13...Nf5 14.b5 ab5+–) 14.Nf6 Qf6 15.Ne5 Qe7 (15...Qd6 16.Qd4 Qd4 17.Bd4+–) 16.Bd4 c5 17.Bc5 Qe5 18.Ba7 Bg4 (18...Be6 19.Bd4 Qh5 20.Rfc1+–) 19.Ra4 Qe6 20.Rfa1 Nd7 (20...Qc4 21.Bb8 Qe2 22.Qf4+–) 21.f3 Bf5 (21...Bh5 22.Ra6 Qe8 23.Rd1+–) 22.e4 Bg6 23.Ra6 Qc4 (23...Qe8 24.Be3 f6 25.Ra8+–) 24.Qd7 Qb4 25.Qd5 Kh8 26.Bc5 (26.Bc5 Qb5 27.Bf8 Qd5 28.ed5+–) 1–0. pcmvr – capacuba (2335), net–chess.com, 2014.

3.a4 Bb7

4.ab5 ab5 5.Ra8 Ba8

6.Na3 Na6 7.Qa1 f6 8.Nb5 Nb4?? 9.Qa8!!+– Nc2 10.Kd1 (10...Qa8 11.Nc7 Kf7 12.Na8+–) 1–0. Hanison,Bernard – Bivens,William, corr ICCF TT–4–90–4, 1993.

6.Na3 Na6 7.Qa1 Nf6 8.Nb5 Nb4? 9.Qa8 Qa8 10.Nc7 1–0. Wall,Bill – DSDG, FICS, 2012.

6.Na3 Na6 7.Qa1 Nf6 8.Nb5 Bb7 9.Be5.

6.Na3 c6 7.Qa1+/– Nf6 (7...f6 8.Nb5 Bb7 9.Qa7+=) 8.Nb5 cb5 (8...Bb7!? 9.Bf6 gf6+/–) 9.Qa8 e6 (9...Nc6 10.Qd8 Kd8 11.Bf6 gf6 12.c3+–) 10.Bf6+– gf6 11.c3 Bd6 (11...Nc6 12.Qb7+–) 12.e3 0–0 (12...Qb6 13.Nf3+–) 13.Bb5 Qc7 14.Qf3 (14.Qe4 Nc6+–) 14...Be7 (14...f5 15.Qh5+–) 15.Qg3 Qg3 16.hg3 Rd8 (16...f5 17.Nf3+–) 17.Bd3 (17.g4 Kg7+–) 17...Nc6 (17...f5 18.Nf3+–) 18.Bh7 (18.Bh7 Kg7 19.Bc2+–; 18.Rh7?! Ne5 19.Bc2 Bb4 20.cb4 Rc8+–) 1–0. Rosner,Dirk – Klocke,Peter, Tiger SC, 2000.

6.Na3 Nc6 7.Qa1 Nf6 8.Nb5 +/–.

6.e3 e6 7.Bb5?? (7.Na3=) 7...c6 (7...Bg2 8.Bg7 Bg7–+ (8...Bh1?! 9.Bh8 Qg5 10.Ne2 Qb5 11.Ng3–+)) 8.Be2 (8.Bf1 Nf6+=) 8...d5 (8...Nf6!?+=) 9.c3 Nf6 10.Nf3 Bd6 11.0–0 0–0 12.d4 Nbd7 13.Nbd2 h6 14.Nb3 Nh7 15.Qc2 Ng5 16.Ng5 Qg5 17.g3 f5 18.Bc1 Qf6 19.f4 Nb6 20.Nc5 Bc5 21.bc5 Nd7 22.Bd2 Rb8 23.Rb1 Qd8 24.Qa2 Rb1+/– 25.Qb1 Qa5 26.Qc1 Bb7 27.c4 Qa7 28.cd5 ed5 29.Bd3 g6 30.Kf2 Nb8 31.Qb2 Na6 32.Ba6 Ba6+= 33.Ba5 Bb5 34.Bb6 Qa4 35.Qd2 Qa2?? 36.Qa2+– Kf7 37.Qa7 Kf6 38.Bd8 (38.Bd8 Ke6 39.Qe7) 1–0. Fournier,Frederic (1925) – javo298 (1880), Active (2/0), 2005.

3.e3 Nc6

4.a3 a5 5.c3 (5.Bb5!? Bb7 6.ba5 Ra5 7.Be2+/–) 5...Bb7 (5...Rb8 6.d4=) 6.Nf3+= d5 (better is 6...ab4!? 7.ab4 Ra1 8.Ba1 e5+=) 7.Bb5+– Qd6 8.0–0 h5 9.d4 Nf6 10.Nbd2 Ne4 (10...ab4 11.cb4 Nd7 12.Qc2+–) 11.Qc2 (11.Ne4 de4 12.Ne5 f6+–) 11...f5 (11...Nd2 12.Nd2 h4 13.h3+–) 12.Ne5 (better is 12.Ne4 fe4 13.Ne5+–) 12...Rg8? (12...Nd2 13.Qd2 g5 14.Qc2+–) 13.Nc6 (better is 13.Ne4 fe4 14.c4+–) 13...g5?? (13...Bc6 14.Ne4 fe4+–) 14.Na5 Kf7 (14...c6 15.Ne4 fe4 16.Nb7+–) 15.Nb7 Qb6 16.Ne4 de4 17.Bc4 e6 18.Nc5 Bc5 19.dc5 Qc6 20.Qb3 g4 21.g3 Rh8 22.Be6! Qe6 23.Qe6 Ke6 24.c4 Rh6 25.Rfd1 h4 26.Rd2 hg3 27.fg3 Rg8 28.Rad1 Kf7 29.Rd7 Kg6 30.Rc7 Kg5 31.b5 Rgg6 32.b6 Rh5 33.Rd2 Rgh6 34.b7 Rh8 35.Rc8 Rc8 36.bc8Q (36.bc8Q Rh7 37.Qd8 Kh5 38.Rd6 Re7 39.Qe7 f4 40.Qe5#) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.a3 e5 5.d4 ed4 6.ed4 d5 7.Qe2 Be7 (7...Be7 8.Nf3 Nh6=). Heat – Adonis, Live Game Caissa's Web, 2004.

4.a3 e5 5.d4 ed4 6.ed4 d5 7.Nf3 Nf6 8.Nc3 (8.Bd3 Bd6=) 8...Bd6=+ 9.Bd3 0–0 10.0–0 Re8 (10...Bg4 11.Re1=+) 11.h3= h5 (11...Be6 12.Re1=) 12.Bc1 g6 13.Bg5 Be7 14.Qd2 Nh7 15.Be7 Re7 16.Rfe1 Re1 17.Re1 Qf6? (Better is 17...Nf6+/–) 18.Nd5 Nd4?? (18...Qd8 19.c4 bc4 20.Bc4 Be6+–) 19.Nf6 Nf6 20.Nd4 Bb7 21.Re7 Rc8 22.Qf4 (22...Bd5 23.Qf6 Rd8 24.Re5 Be4 25.Qd8 Kh7 26.Qf8 Bd3 27.Qf7 Kh6 28.Qf8 Kh7 29.Re7#) 1–0. Steingraeber,Barbara – Guggenberger,Simon, remoteschach.de, 2003.

3.e3 d6

4.c4 bc4 5.Bc4 d5 6.Be2 e6 7.Bf3 (7.Nf3 Nf6+=) 7...a5 8.Qa4 Bd7 9.b5 c6 10.Be2 cb5 11.Bb5 Bb5 12.Qb5 Qd7 13.Qd7 Nd7 14.Nf3 Nc5 15.0–0 Ne7 16.Nc3 Nc6 17.Nb5 (17.Rfc1 Nd3 18.Rc2 Ncb4–+ (18...Nb2?! 19.Rb2 Bb4 20.Rab1=)) 17...Rc8 18.d4 Nd3 19.Bc3 Ncb4 20.a3 Na6 21.Ba5+/– Rb8 22.a4 Be7 23.Rfd1 Nb2 24.Rdb1 Nc4 25.Nc7 Kd7 26.Rb8 Rb8 27.Na6 Ra8 28.Nc5 Bc5 29.dc5 Ra5 30.g3 Rc5 31.Nd4 Ra5 32.Kg2 Nb6 33.Nf3 Ra4 34.Rb1 Nc4 35.Rb7 Ke8 36.Ng5 Nd6 37.Rb6 h6 38.Rd6 hg5–/+ 39.Rb6 Ke7 40.f4 gf4 41.gf4 Ra2 42.Kg3 Kf6 43.h4 Ra4 44.Kf3 d4 45.e4 Ra3 46.Kg4 d3 47.e5 Kg6 48.h5? Kh7–/+ 49.Rd6 g6 50.hg6= Kg6 51.f5 Kg7 52.f6 Kg6 53.Kf3? d2 54.Ke2 Ra2 55.Kd1 Kf5 56.Rd7–/+ Ke5 57.Rf7 Kf5 58.Rf8 e5 59.f7 Kf6 ½–½. MasterofDisaster – BeCarefool, Live Game Caissa's Web, 2004.

3.e3 e6

4.a3 Nf6 5.c4 bc4 6.Bc4 Bb7 7.Nf3 Be7 8.0–0+= 0–0 9.d4 (9.Nc3 a5 10.b5 d5=) 9...d5 (9...a5 10.b5=) 10.Bd3+= c6 11.Nbd2 Nbd7 (11...a5 12.ba5 Ba6 13.Nb3+=) 12.Nb3+/– Rb8 13.Na5 Qb6 14.Rc1 Rfc8 15.Ne5 (15.Qe2 Ra8+/–) 15...Ne5+= 16.de5 Nd7 17.Bd4 (17.Qh5 h6+=) 17...Qc7 (better is 17...c5!? 18.Qa4 Bc6 (worse is 18...cd4 19.Qd7 Rc1 20.Rc1 de3 21.Qe7 ef2 22.Kf1+–) 19.bc5 Bc5 20.Nc6 Qc6 (20...Rc6?? 21.Rb1+–) 21.Qa6 Rb6+=) 18.Qh5 g6 19.Qe2 Ra8 20.f4 (20.e4 c5+/–) 20...Bf8 (20...c5 21.Qd2+= (worse is 21.Nb7 Qb7 22.bc5 Nc5=)) 21.Rf3 Bg7? 22.Rh3 Nf8 23.g4 Rcb8 24.Qg2 Rc8 25.Qg3 Qd7 26.f5! ef5 27.gf5 Rab8 28.f6 Bh8 29.Qh4 1–0. HaB” – Fournier,Frederic, Partie evaluee, 2m + 1s, 2008.

4.a3 Nf6 5.Nf3 d5 6.d3 (6.Be2 Bd6=) 6...Be7 7.c4 bc4 (7...0–0 8.Nc3=) 8.dc4 dc4 (8...a5 9.b5=) 9.Bc4 (9.Qd8!? Bd8 10.Nbd2+=) 9...Qd1= 10.Kd1 Bb7 11.Ke2 Nc6 (11...Nbd7 12.Rc1=) 12.Nc3 Rd8 13.Rhd1 0–0 14.Rd8 Rd8 15.Rd1 Rd1 16.Kd1 (16.Nd1 Bd6+=) 16...Kf8 (16...Ng4!?=) 17.Ke2 Ke8 18.Nd2 (18.Bd3 e5+=) 18...Bd6 (18...Ne5 19.f3=) 19.h3 Ne5 20.Bb3 (better is 20.f3=) 20...Bg2–/+ 21.h4 Bb7 (21...Ng6 22.Bc4 Bb7 23.Bd3 Nh4 24.b5 ab5 25.Nb5–/+) 22.f3 c6 23.e4 Ned7 24.Nc4+= Bf4 25.Na5= Ba8 26.Bc4 Nh5 27.Kf2 Bg3+= 28.Kg2 Bh4 29.Kh3 Bf2 30.Nd1 Bb6 31.Nb3 Nhf6 32.Ba6+= Kf8 33.Bd4 c5 34.bc5+= Bc7 35.Bb5 Ne5 36.Be5 Be5 37.Ne3 Bb2? 38.a4 Ke7 39.Nc4+– Bc3 40.Nba5 White prepares the advance c6 40...Bb4 41.c6 Kd8= 42.Nb7 Kc7 43.Nba5 Ne8 44.Nb3 Bc6 45.Nd4 Bb5+= 46.ab5 Bc5 47.Nc6 Nd6 48.Nd6 Bd6 49.Kg4 Kb6 50.Nd8 Kb5 51.Nf7 Kc5 52.Ng5= h6?? 53.Ne6+– Kc6 54.Ng7 Bf8 55.Nf5 Kd7 56.Kh5 Ke6 57.Nh6 Ke5 58.Nf7 Kf4 59.e5 Kf3 60.e6 Kf4 61.Kg6 Be7 62.Kg7?? Kf5= 0–1. Fournier,Frederic (1790) – Forsgren (1680), Active, 2006.

4.a4 Bb7 5.ab5 ab5 6.Qh5 (6.Ra8 Ba8 7.Nf3 A) 7...Bb4 8.Bg7 (8.Bb5?! Nf6=) 8...Bd5 9.Bh8+–; B) 7...Bc6=) 6...Ra1 (6...Bb4? 7.Qb5 (7.Bb5?! Ra1 8.Ba1 Bg2 9.Bg7 Nf6=) 7...Ra1 8.Ba1 Bd2 9.Nd2+–) 7.Ba1 c6 (7...Na6 8.c3=) 8.Nh3 (8.Qf3 d5= (8...Bb4 9.Bg7 d5 10.Bh8+–)) 8...Nf6 (8...Bb4? 9.Bg7 Nf6 10.Qf3+–) 9.Bf6 (9.Qf3 Bb4 10.Bb5 d5=) 9...Qf6+= 10.c3 Na6 (10...Be7 11.d4+=) 11.d4= Nb4 (better is 11...Be7!?=) 12.cb4+/– Bb4 13.Nd2 0–0 14.Bd3 Threatening mate... how? 14...h6 15.Ke2 Bd2 (15...d6 16.Ne4 Qe7 17.Rb1+/–) 16.Kd2 c5 17.Rb1 (17.Nf4 cd4 18.Rb1 Ra8 19.Qb5 de3 20.Ke3 Rb8+/–) 17...cd4 (17...Bg2 18.Nf4 (worse is 18.Bb5 Bh3 19.Qh3 Qf2 20.Kd1 cd4+=) 18...c4 19.Ng2+–) 18.e4 (18.Nf4+/–) 18...Ra8 (better is 18...Bc6!?+/–) 19.Qb5+– (19.Rb5?! Ra2 20.Ke1 Ra1 21.Ke2 Ra2 22.Kf1 Ra1 23.Rb1 Rb1 24.Bb1 e5+/–) 19...Bc8 20.Ke1 (20.e5 Qe7+–) 20...g6 (20...e5 21.Qd5 Ra3 22.Rb8 Rd3 23.Rc8 Kh7 24.Qd7+–) 21.Ng1 (21.e5 Qh4+–) 21...Kg7 (21...Ba6 22.Qa5 Qf4 23.Nf3+–) 22.Nf3 (22.e5 Qf4 23.g3 Qg4+–) 22...d6?? (22...Ba6 23.e5 Qf3 24.gf3 Bb5 25.Rb5 Ra1 26.Rb1 Rb1 27.Bb1 g5+=) 23.Qc6 (23.Qc6 Ra2 24.Qc8+–) 1–0. Bulcourf,Carlos (2295) – Gallardo,Retortillo Enrique, San Fernando op, 1993.

4.Nf3 Bb4?? 5.Bg7 Bb7 6.Bh8 +–.

4.Nf3 f6 5.c4 Bb4 6.cb5 a5 (6...Bb7 7.a3 Be7 8.Nc3=) 7.a4 (7.Bd3 Ne7+/–) 7...c6 8.Be2 Ne7 9.0–0 c5 10.d4 0–0 11.dc5 Bc5 12.Ba3 Bb6 13.Qd6 Bc7?? (better is 13...Rf7+/–) 14.Qe7+– Qe7 15.Be7 Rf7 (15...Re8 16.Rc1 Ra7 17.Ra3 Re7 18.b6+–) 16.Bc5 (better is 16.Rc1 Re7 17.Rc7 Re8+–) 16...d6 17.Bd4 e5 (17...Bb7 18.Rd1+–) 18.Bb2 (18.Bc4 ed4 19.Rc1 Bb6 20.Bf7 Kf7 21.Rc8 de3 22.fe3 Be3 23.Kf1 g5+–) 18...Bg4 (18...Be6 19.e4+–) 19.Rc1 e4 20.Nd4 Bc8 21.b6 Bb6 22.Rc8 Rf8 23.Rf8 Kf8+– 24.f3 Nd7 25.Ba3 Ke7 26.Nf5 Kf7 27.Nd6 Kg8 28.Bc4 Kf8 29.Ne4 Ke8 30.Nd6 Kd8 31.Kf2 g5 32.Nc3 h5 33.Rd1 Bc7 34.Ncb5 Bb6 35.Bf7 Ne5 36.Bh5 Nd7 37.Bg4 Ne5 38.Nf7 Ke8 39.Ne5 fe5 40.Bh5 1–0. nordlicht (1955) – robert111, gameknot.com, 2012.

4.Nf3 Nf6 =.

4.Nf3 h6 5.c4 Nf6 6.a3 c5 7.cb5 ab5 8.bc5 Bc5 9.Bb5 0–0 10.Nc3 Qb6 11.Qc2 Ba6 12.Be2 Be2 13.Ne2 Nc6 14.Bf6 gf6 15.Qc3 e5 16.Ng3 Qb5 17.Nh4 Kh7 18.Qc2 Kh8 19.Nhf5 Ba3 20.Nh6 Bb2 21.Rb1 Ra1 22.Ra1 Ba1 23.f3 e4? (23...Nb4 24.Qf5 Nd3 25.Ke2 Nc5 26.Kd1 Qa4 27.Ke1+–) 24.Ne4 (better is 24.Qe4!? Ne5 25.Qh4 Ng6+–) 24...Nb4 25.Qc7?? (better is 25.Qd1+–) 25...Nd3= 26.Ke2 Nf4 27.Kf2?? Qe2–+ 28.Kg3 Qg2 29.Kf4 Be5 30.Qe5 fe5 31.Ke5 Qh1 32.f4 f6! 33.Nf6 Qa1 34.d4 Kg7 35.Nf5 Kg6 36.Nh4 Kf7 37.Nf5 Qa5 38.d5 Qc3 39.Nd4 Qe3 40.Ne4 Re8 41.Ne6 de6 (41...de6 42.h4 ed5 43.Kd5 Qe4 44.Kc5 Qc2 45.Kd4 Re4 46.Kd5 Ke7 47.h5 Qc4) 0–1. combijack (1730) – jpdix, gameknot.com, 2012.

3.e3 f6

4.c4 Bb7 5.cb5+/– ab5 6.Qh5 g6 7.Qb5 Ra7 8.Qc5 d6?? (better is 8...Nc6 9.a3 e5+/–) 9.Qa7+– Qc8 10.Qa4 Bc6 11.Bb5 Qb7 12.Bc6 Nc6 13.b5 Kf7 (13...Nb4 14.b6 Nc6 15.bc7 Qc7 16.Nc3+–) 14.Bc3 (14.Qc4 e6 15.Qc6 Qc6 16.bc6 Ne7+–) 14...Kg7 (14...Nd4 15.Nf3 Nf3 16.gf3 Qf3+–) 15.bc6 Qb6 16.Nf3 h5 (16...e5 17.d4 e4 18.Nbd2+–) 17.Ng5 Nh6 18.Ne6 Kf7 19.Nf8 (better is 19.Qe4!? Qb8+–) 19...Rf8 20.0–0 Nf5 21.e4 Nh6 22.d4 Ng4 23.h3 Nh6 24.Nd2 g5 25.Rab1 Qb1 26.Rb1 Rc8 27.e5 (27.Qb3!? Kg6 28.Qb7 Rg8 29.Qc7 g4 30.Qe7 gh3+–) 27...de5 28.de5 fe5 29.Be5 (29.Qe4 Rf8 30.Nf3 Rd8 31.Ng5 Ke8 32.Qg6 Nf7 33.Qf7) 29...e6 30.Qe4 Nf5 31.g4 hg4 32.hg4 Nh4 33.Qh7 Kf8 34.Qh8 Kf7 35.Qc8 Ng6 36.Qc7 Kg8 37.Qg7 1–0. Valpa – Idris, playchess.de, 2005.

4.Bd3 Bb7?? 5.Nf3 (5.Qh5 g6 6.Bg6 hg6 7.Qg6) 5...e5 6.Bf5 (6.Ne5!? fe5 7.Qh5 Ke7 8.Qe5 Kf7 9.Qh5 Ke7 10.Qe5 Kf7 11.Qh5 Ke7 12.Qe5=) 6...g6 7.Bd3? (better is 7.Bh3+=) 7...f5?? (better is 7...e4 8.Be4 Be4–+) 8.Ne5 (8.Be5 Nf6 9.c3 Nc6+/–) 8...Bb4 (8...Nf6 9.0–0 Bb4 10.a4+=) 9.c3 (better is 9.Ng6!? hg6 10.Bh8+/–) 9...Ba5 (9...Bg2 10.Rg1 (10.cb4?! Bh1 11.Ng6 hg6 12.Bh8 Qh4=) 10...Bd6 11.c4+=) 10.Qb3 (10.c4 Nf6 (10...Bg2? 11.Rg1+–) 11.0–0 d6+=) 10...Bg2?? (better is 10...Qe7=) 11.Qf7# 1–0. WirralBoy – Pekin Dragons, ChessWorld.net, 2013.

4.Bd3 g6 5.Nf3 +=.

3.e4 Bb7

4.Nc3 e5 5.Nf3 Bb4 6.Ne5 Qe7 7.Nd5 (better is 7.Ng4!? Bc3 8.Bc3 Be4 9.Be2=) 7...Bd5–/+ 8.ed5 d6?? (8...f6 9.Qh5 Kd8–/+) 9.Qe2?? (better is 9.Qg4 f5 10.Qb4+/–) 9...de5–/+ 10.Qe5 (10.Be5 Kf8 11.a4 Nd7–+) 10...Qe5 (10...Nd7 11.Qe7 Ne7 12.a4 ba4 13.Ra4 Nd5 14.Bg7–+) 11.Be5 Nf6 12.c3? (better is 12.Bf6!? gf6 13.a4–+) 12...Bd6–+ 13.f4 (13.Bf6 gf6 14.a4 b4–+) 13...Be5 14.fe5 Nd5 15.g3 Nc6 16.Bg2 Rd8 17.d4 (17.0–0 0–0 (17...Ne5?! 18.Rfe1 f6 19.Bd5–+) 18.Rfe1 Na5–+) 17...Nce7 (better is 17...b4!? 18.cb4 Nd4 19.Rc1 Nb4 20.Rc7 Nd3 21.Kf1–+) 18.Rc1 c5! 19.dc5 (19.Ke2 Nc6 20.Rhd1 Ke7–+) 19...Rc8 20.c4 (20.0–0 Rc5 21.e6 fe6–+) 20...Rc5 21.0–0 bc4 22.e6 (22.Rfe1 c3–+) 22...fe6 23.Rb1 (23.Bh3 Rc6–+) 23...c3 24.Rf2 (24.Rb7 Ne3 25.Rc1 Kf7–+) 24...Rf8 25.Re2 Rf6 26.Bh3 (26.Be4 Nc6 27.Rf2 Nd4–+) 26...Kf7 0–1. mika76 (1670) – charmedones (1690), gameknot.com, 2011.

4.d3 d6 5.Nf3 e5 6.g3 Be7 7.Bg2 Bc8 (7...a5 8.ba5 Nf6 9.Bc3+=) 8.0–0 Bg4 9.Qe1 Qd7 10.Nfd2 Bh3 (10...Nc6 11.Nb3=) 11.Nf3 Bg2 12.Kg2 Nf6 13.c4 Ng4 (13...bc4 14.dc4 Qa4 15.Bc3=) 14.h3= Nf6 15.Nbd2 0–0 16.Qe2 bc4 17.Nc4 h6 18.Rac1 Nc6 19.a3 Nh7 20.Rfd1 (20.Ne3 Rfc8+=) 20...f5 (20...Ng5 21.h4 Nf3 22.Qf3=) 21.ef5 Qf5 (21...Rf5 22.Qc2 Rf3 23.Kf3 Ng5 24.Ke2+=) 22.Qe4 Qd7 (22...Qe4 23.de4 Na7 24.Ne3+/–) 23.d4 (better is 23.Ne3!? Na7 24.Qb7+–) 23...Nf6+= 24.Qe2 e4 25.Nh2 d5 (25...Qe6 26.d5 Nd5 27.Rd5 Qd5 28.Ne3+=) 26.Ne5+/– Ne5 27.de5 Nh7 (27...Ne8!?+/–) 28.Qg4+– Qd8 (28...Qe8!? 29.Rc7 Qf7+–) 29.Qe6 Kh8 30.Rd5 (30.Qd5!? Qb8 31.Qd7 Bd8+–) 30...Qe8 31.Rc7 (better is 31.Rc2 Ng5 32.Qd7+/–) 31...Rf2= 32.Kg1 Rf7 33.Rdd7?? Bc5–+ 34.bc5 Rf1?? 35.Nf1+/– Qe6 36.Rg7 Rc8?? 37.Rh7+– Kg8 38.Rhg7 Kf8 39.Rc8 Kg7?? 40.Rc7 Kg6 41.Kg2 Qb3 42.Bd4 Qc2 43.Kg1 Qd1 44.Bf2 Qa4 45.Rb7 Qa3 46.Rb6 Kf7 47.c6 Qc3 48.Ra6 Qe5 49.Ra7 Kg6 50.c7 Qe8 51.Ne3 Qc6 52.Ng4 Qc1 53.Kg2 h5 54.Ne5 Kf5 55.Nd7 Qb2 56.c8Q e3 57.Qf8 Ke6 58.Nc5 Kd5 59.Rd7 Kc6 60.Qc8 (60.Qc8 Kb5 61.Qb7 Kc4 62.Qd5 Kb4 63.Nd3 Kc3 64.Rc7 Kd2 65.Nb2 Ke2 66.Qd3) 1–0. pillsbury (2065) – jaortiz (2295), net–chess.com, 2013.

4.d3 e6 5.a3 Nf6 6.Nd2 Be7 7.Ngf3 0–0 8.Be2 c5 0–1. nxito – retiponziani, ChessWorld.net, 2012.

4.f3 Nc6 5.a3 e5 6.c4 bc4 7.Bc4 f5 (7...Qg5!? 8.Qe2 a5+=) 8.Ne2 d6? (better is 8...Qh4 9.g3 Qh3=) 9.0–0+– f4 (9...Nf6 10.Nbc3 f4 11.d4+–) 10.d4 (better is 10.Qb3 Nh6+–) 10...Qg5? (better is 10...Nf6+–) 11.Qa4 ed4 (11...Kd8 12.Be6+–) 12.Bg8 (12.Nd4 a5 13.Nc6 ab4 14.Na5 c6 15.ab4 Qd8+–) 12...Rg8 (12...Qb5 13.Qb5 ab5 14.Bd5+–) 13.Nd4 Qe5 14.Rc1 0–0–0 15.Rc6 Bc6 16.Qc6 Qe8 17.Qa6 Kd7 18.Nd2 Ra8 19.Qc6 Ke7 20.Nf5 Kf7 21.Qd5 Qe6 22.Qa8 d5 23.Qd5 1–0. Glowacki,Andrzej (1830) – Gucaga,Augustas, Suwalki Poland, Open, 2012.

4.f3 e6 5.a3 d5 6.d3 c5 7.bc5 Nf6 (7...d4!?=) 8.e5+= Nfd7 9.d4 Nc6 10.Nd2 Be7 11.Nb3 0–0 12.Bd3 f6 13.ef6 Bf6 14.f4 Qc7 15.g3 (15.Qg4 Rae8+/–) 15...Rae8 16.Qh5 (16.c3!?+=) 16...g6= 17.Bg6 hg6 18.Qg6 Bg7 19.0–0–0 Rf5?? (better is 19...Re7–/+) 20.Qe8+– Nf8 21.Nf3 Ne7 22.Ng5 Rg5 (22...Rf6 23.Rde1 Bc6 24.Qh5+–) 23.fg5 Neg6 24.Rhf1 (better is 24.Bc3 Bc6 25.Ba5 Qb7+–) 24...Bc6 25.Rf8! Nf8 (25...Nf8 26.Qh5 Combination; 25...Bf8 26.Qg6 Double attack (26.Qg6 Remove defender)) 26.Qh5 Qe7 27.h4 Be8 28.Qf3 Bg6 29.Re1 1–0. Williams,Barry M – Reed,Ken G, NZCCA HT corr New Zealand, 2000. (=1.e4 a6 2.b4 b5 3.Bb2 Bb7)

3.e4 Nc6

4.a3 e5 5.Nf3 Rb8 (5...d5 6.ed5 Qd5 7.Nc3+=) 6.Be2 (6.Be5?! Ne5 7.Ne5 Qe7=) 6...Bd6 7.0–0 f6 8.c4 Nge7? (better is 8...bc4 9.Bc4 Nge7+/–) 9.c5+– 0–0 (9...Bc5 10.bc5 d5 11.d3+–) 10.d4 (10.cd6 cd6 11.d4 Ng6+–) 10...h6 (10...Bc5 11.bc5 ed4 12.Nd4+–) 11.cd6 cd6 12.d5 Na7 13.h3 g5 (13...f5 14.Nc3+–) 14.Nh2 Ng6 (14...f5 15.ef5 Bb7 16.Ng4 Nf5 17.Bd3+–) 15.Ng4 Nf4 (15...Kg7 16.Ne3+–) 16.Nh6 Kg7 17.Nf5 Kg6 18.Nd6 Rb6 19.Nc8 Qc8 20.Bg4 Rc6 (20...Kg7+–) 21.dc6 dc6 (21...Qc6 22.Nc3 Rd8+–) 22.Bc8 Nc8 23.Qd7 1–0. KMiroslav – horsehold, ChessWorld.net, 2013.

4.a3 e5 5.Nf3 d6 6.Be2 Be6 7.0–0 Nf6 8.Nc3 Nd4 9.Nd4 Qc8?? (better is 9...ed4 10.Nb1 c5=) 10.Ne6+– fe6 11.d3 c5 12.bc5 dc5 13.Bh5 g6 14.Be2 Qd8 15.f4 ef4 16.Rf4 Nh5 (16...Bd6 17.Rf1 Be5+–) 17.Bh5 (17.Bh5 Bg7 18.Bf3+–) 1–0. Mr.Oldenslo – horsehold, ChessWorld.net, 2013.

3.Nf3 Bb7

4.d4 d6 5.Nbd2 Nd7 6.e4 Ngf6 7.a4 Ne4 8.ab5 Nd2 9.Kd2 ab5 10.Bb5 Ra1 11.Ba1 e6 +=.

4.d4 d6 5.Nbd2 Nd7 6.e4 Ngf6 7.Bd3 g6 8.e5 Nd5 9.a3 Bg7 10.ed6 cd6 11.0–0 0–0 12.c4 Nf4 13.Bc2 bc4 14.Nc4 Rc8 15.Bb3 Nf6 16.Na5 Bd5 17.g3 Ne6 18.Bd5 Nd5 19.Qb3 Nf6 20.d5 Nc7 21.Nc6 Qe8 22.Rae1 Ncd5 23.Bf6 Qc6 24.Bg7 Kg7 25.Rd1 Nf6 26.Nd4 Qb7 27.Qe3 e6 28.Nf3 Rfd8 29.h4 Rc2 30.Rd3 Kg8 31.Qg5 Ne4 32.Qd8 1–0. typ48 – bogdeea, playok.com, 2012.

4.d4 e5 5.Ne5 Bb4 6.Bc3 Bc3 7.Nc3 +=.

4.e3 (--> 2.Bb2 Bb7 3.e3 a6 4.Nf3).

4.g3 d6

5.Bg2 Nd7

6.0–0 e5 7.a4 +=.

6.0–0 g6?? 7.Bh8 e5 8.d3 +–.

3.Nf3 d6

4.a4 ba4 5.e4 Nf6 +=.

4.e3 Nc6 5.a3 e6 6.c4 Nf6 (6...bc4!? 7.Bc4 Nf6+=) 7.cb5+/– ab5 8.Bb5 Bd7 9.Nc3 e5 10.0–0 Be7 11.Qc2 d5?? (better is 11...0–0!?+–) 12.d3 (12.Nd5 Nd5 13.Bc6 Bc6 14.Qc6 Kf8 15.Be5 Bf6+–) 12...d4? (12...0–0 13.Nd5! Nb4 14.ab4 Ra1 15.Ne7 Qe7 16.Ra1 Bb5 17.Be5+–) 13.ed4 Nd4 14.Nd4 ed4 15.Bd7 Qd7 16.Ne4 Ne4+/– 17.de4 0–0 18.Rad1 Bf6 19.Rfe1 Be5 20.g3 f5? 21.f4+– Bf6 22.e5 Be7 23.Rd4 Qe6 24.Qc4 Qc4 25.Rc4 Rac8 26.Rec1 g5 27.Rc7 Rc7 28.Rc7 Bd8 29.Rc8 Bb6 30.Kg2?? Rc8–+ 31.a4 Rc2 32.Kh3 Rb2 33.a5 Ba7 (33...Ba7 34.g4 Rb3 35.Kg2 gf4 36.e6 f3 37.Kg3 f2 38.Kf4 f1Q 39.Ke5 Bb8 40.Kf6 fg4 41.Ke7 Rd3 42.b5 Qf8; 33...g4 34.Kh4 Bd8 35.Kh5 Rh2) 0–1. Fournier,Frederic (1765) – panulo, Active, 2008.

4.e3 Nc6 5.a3 f6 6.d3 e5 7.Be2 Be6 8.0–0 d5 9.Nbd2 Bd6 10.c4 dc4 11.dc4 e4? (better is 11...Rb8!?+/–) 12.Ne4+– bc4 13.Nd6 cd6 14.Qc2 d5 15.Rfd1 Nge7 16.Bc4! Qc7 17.Bb3 Bf5 18.Qd2 Rd8 19.Nd4 Ne5 20.Nf5 Nf5 21.Rac1 Qb7 22.Be5 fe5 23.Ba4 Ke7 24.e4! Nd4 25.Qg5 Kd6 26.Rd4! ed4 27.e5 Ke6 28.Rc6 Qc6 29.Bc6 Rc8 30.Qg4 Ke5 31.Qg7 Kd6 32.Qf6 (32.Qf6 Kc7 33.Bd5+–) 1–0. lovecraft (2100) – rhometal (2070), net–chess.com, 2011.

4.e3 e5 5.a4 e4 6.Ng1 ba4 7.Ra4 =.

3.Nf3 e6

4.a3 a5 5.Nc3 (5.e4 Bb7+=) 5...c6= 6.e3 a4 (6...ab4 7.ab4 Ra1 8.Qa1 Na6= (8...Bb4? 9.Nd5 Bd2 10.Nd2+–)) 7.Be2+= Bb7 8.0–0 Qe7 (8...Nf6 9.d3+=) 9.Rb1 (9.e4 d6+/–) 9...Na6+= 10.h3 Nc7 11.Nh2 (11.e4 d6+=) 11...e5 12.d3 (12.Nf3 d5=) 12...Nf6 13.Ne4 (13.Ng4 d5+=) 13...h6 (13...Ne4 14.de4 c5 15.bc5 Be4 16.Bd3=) 14.Nc5 0–0–0 15.Ng4 Kb8 16.Ne5 h5 17.d4 d6 18.Nb7 Kb7 19.Nd3 g5 20.f3?? Nfd5 21.Qd2 f5 22.Rfe1 g4 23.fg4 f4?? 24.Nf4 Qg5?! 25.Nh5 Bh6 26.Nf4! Rde8 27.Bf3 Nf4? 28.ef4 Re1 29.Re1 Qf4 30.Qf2 d5 31.c3 Qd2? 32.Qd2 Bd2 33.Re2 Bg5 34.Kf1 Re8 35.Re5 Bf4 36.Re8 Ne8 37.h4 Kc7 38.Kf2 Nd6 39.g3 Bh6 40.g5 Bf8 41.Bc1 Kd7 42.g4 Ne8 43.h5 1–0. keeder – xorb, ChessWorld.net, 2010.

4.g3 Bb4?? 5.Bg7 Bb7 6.Bh8 Bf3 7.ef3 +–.

4.g3 Nf6 5.a3 Be7 6.Bg2 Bb7 7.d3 c5 8.c3 Nc6 9.Nbd2 d6 10.0–0 Qc7 11.Nb3 cb4 12.cb4 Rc8 13.Rc1 Qd7 14.Nbd4 0–0 15.Qb3 Nd4 16.Bd4 Bd5 17.Qb2 Rc1 18.Rc1 Rc8 19.e4 Rc1 20.Qc1 Bc6 21.Nd2 d5 22.e5 Ne4 23.de4 de4 24.Be3 f5 25.ef6 Bf6 26.Ne4 Be4 27.Be4 g6 28.Kg2 Qg7 29.Qc8 Qf8 30.Qe6 Kh8 31.Bc5 Qg8 32.Qg8 Kg8 33.Bd5 Kg7 34.Bb7 Kf7 35.Ba6 Ke6 36.Bb5 Kd5 37.Be8 Bd4 38.Bd4 Kd4 39.b5 Kc5 40.a4 Kb6 41.Bc6 Ka5 42.f4 Kb6 43.Kf3 Ka5 44.Ke4 h6 45.h4 Kb6 46.Kd5 Kc7 47.a5 Kb8 48.a6 g5 49.Ke5 gh4 50.gh4 h5 51.Kf5 Ka7 52.Kg5 Kb6 53.Kh5 Kc7 54.Kg5 Kd8 55.h5 Kc7 56.h6 Kb6 57.h7 1–0. giorgo – sobrona, playok.com, 2012.

3.Nf3 f6

3.Nf3 Nf6

2.Bb2 Na6

3.a3 Rb8 4.Nc3 c6 5.Nf3 h5 6.e4+/– Rh6 7.Ng5 e5 8.Nf3 Rd6? 9.Ne5+– f6?? 10.Qh5 (10...g6 11.Qg6 Ke7 12.Qf7#) 1–0. Wall,Bill – Forionk, Microsoft Gaming Zone, 1999.

3.a3 c5 4.e4 cb4 5.Bb5 Nc5 6.ab4 Ne4 7.Bc4 Bb7 8.f3= Nd6 9.Bb3 e6 10.d4 Nf6 11.Ne2 Nf5 12.Qd2 Qb6 13.c3 Bd6 14.0–0 0–0 15.Na3 e5 16.Nc4+/– Qc7 17.Qg5 e4 18.Qf5+– Bh2 19.Kh1 ef3 20.gf3 Rfe8 21.Rf2 Bd6 22.Rg2 Nd5 23.Na5 (23...Re6 24.Bd5 Bd5 25.Qd5+–; 23.Nd6?! Qd6 24.Qg5 Qf6+–) 1–0. Wall,Bill – Manitou, internet, 2005.

3.a3 c6 4.e3 +=.

3.a3 e5 4.e4 Rb8 5.c4 c6 (5...bc4!? 6.Bc4 Qg5+/–) 6.cb5+– cb5 7.Be5 d6 8.Bd4 Qe7 9.Nc3 h5? (9...Nc7 10.Ba7 Rb7+–) 10.Bb5 Bd7 (10...Kd8 11.Qa4 Nc7+–) 11.Ba6 f5 12.Nge2 fe4 13.Ba7 Ra8 (13...Rd8 14.Bb6 Rb8 15.Nd5+–) 14.Nd5 Qd8 15.Bb6 Qb8 16.Nc7 Kf7 17.Qb3 Ke7 18.Nf4 Ra6 19.Na6 Qb7 (19...Qe8 20.d3 e3 21.0–0+–) 20.Ng6 Ke8 21.Nh8 Qb6 22.Qf7 (22.Qg8 Qa6 23.Ng6 Bc6+–) 22...Kd8 23.Qf8 Be8 24.b5 Qb5 25.Nf7 (25.Nf7 Kc8 26.Nd6 Kd7 27.Nb5 Ne7 28.Nc5 Kd8 29.Nd4 Kc8 30.Qe8 Kc7 31.Qe7 Kb6 32.Rb1 Ka5 33.Nc6) 1–0. Pcmvr – Roshy, playchess.de, 2004.

3.a3 Nf6 4.e3 c6 5.Nf3.

3.c3 d5 4.a4 c6 5.ab5 cb5 6.Nf3 d4 (Better is 6...Nc7!?+=) 7.Nd4 e5 8.Nb5 Nf6 9.e3 Bb7 10.d4 (10...ed4 11.Qa4+–) 1–0. Wall,Bill – Freddy, internet, 2004.

2.Bb2 Bb7

3.a3 a5 4.Nc3 =.

3.a3 a6 (--> 2.Bb2 a6 3.a3 Bb7).

3.a3 Ba6 4.d3 e5 (4...e6!?+=) 5.Be5+/– Qe7 (5...Nc6 6.Bg3+/–) 6.Bb2 (6.Bc7 d5 7.Bg3 Nf6+–) 6...Nc6 7.Nd2 Nf6 8.Ngf3 Qe6 9.g3 Bd6 10.Bg2 0–0 11.0–0 Ng4 12.Ne4 Qh6? (better is 12...Be7+/–) 13.h3+– (13.Nd6?! Qd6 14.e3 Rae8+–) 13...Nf6 14.Nf6 (14.Nd6 cd6 15.Qd2 Qd2 16.Nd2 Rfe8 17.Bf6 gf6+–) 14...gf6 15.Qc1 Rae8?? (15...Qc1 16.Rfc1 Rfe8+–) 16.Qh6 Kh8 17.Bf6 Kg8 18.Qg7# 1–0. Hartmann,Elisa (1735) – Bausch,Kathy, remoteschach.de, 2005.

3.a3 e5 4.e4 Nf6 5.d3 (5.f3 c6+=) 5...Be7 6.Nf3 0–0 7.Be2 Bc6 (7...a5 8.0–0=) 8.0–0 (better is 8.Ne5!? a5 9.ba5+/–) 8...d6= 9.Nc3 Na6 (9...a5 10.Re1=) 10.Qd2 Nh5 (10...Qd7 11.Rfe1+=) 11.Rfe1 (11.a4 Bb7 12.ab5 Nb4+–) 11...Nf4 12.g3 (12.d4!?+/–) 12...Nh3 13.Kg2 Bd7 (better is 13...Ng5!?=) 14.d4+/– h6? (14...Ng5 15.de5 de5+/–) 15.Nd1?? (better is 15.de5 Rb8 16.ed6 cd6 17.Nd5+–) 15...Ng5+= 16.Ne3 Bh3 17.Kg1 Ne4 18.Qd3+/– Nf2? 19.Kf2+– e4 20.Qe4 f5 21.Qd5 Kh8 22.c4 f4 23.gf4 c6? 24.Qe4 Bh4 25.Kg1 Be1 26.Re1 Re8 27.Qg6 Re3+= 28.d5 Qb6?? 29.Bd4 Qc7 30.Be3 Rf8 31.Bd4 Rf4 32.Be3 Rg4–/+ 33.Qg4 Bg4 34.Nh4 Be2–+ 35.Re2 c5?? 36.bc5? Nc5 37.Bd4 Nb3?? 38.Bc3?? Qd8 39.Ng6?? Kh7–+ 40.Rg2 Qb6 41.Kh1 bc4?? 42.Nf8+– Kg8 43.Bg7 Qb7 44.Bh6–/+ Kh8 45.Bg7 Qg7 46.Ng6?? Kh7 47.h3 Nc1 48.h4 Qh6 49.Kh2 Nd3 50.a4 Nf4 51.Nf4 Qf4 52.Kh3 Kh6 53.Rg4 Qg4! 54.Kg4 c3 55.Kf3 c2 56.Ke2 c1Q 57.Kf3 Qd2 58.Kg4 Qd5 59.a5 Qa5 60.h5 Qe5 61.Kh4 a5 62.Kh3 a4 63.Kg2 a3 64.Kh3 a2 65.Kh4 a1Q 66.Kh3 Qf1 67.Kh4 Qg5 (67...Qef4) 0–1. pieeater – stefanW, ChessWorld.net, 2012.

3.a3 h5 4.e4+= Be4 5.Nf3 (5.Nc3 Bb7 6.Nb5 a5+=) 5...Rh6 (5...a6 6.c4=) 6.d3 (better is 6.Bb5!? c6 7.Be2+/–) 6...Bf3 (6...Bb7 7.Be2=) 7.Qf3= Nc6 (7...Na6 8.c4 bc4 9.dc4+=) 8.Be2 (8.d4 a5+=) 8...Re6 (8...e5 9.c4=) 9.0–0 (9.d4 d5+=) 9...g6 10.Nc3?? (10.d4 Bg7 11.d5 Bb2 12.de6 fe6+/–) 10...Ne5?? (better is 10...Nd4 11.Qd5 Ne2 (11...Re2?! 12.Ne2 Ne2 13.Kh1–/+) 12.Ne2 Re2 13.Qb5 Rc2–+) 11.Qe3 (better is 11.Qg3!? c6 12.Ne4+/–) 11...Nc4+= 12.Qc1 (12.Qe6 fe6 13.dc4 bc4 14.Bc4 Bg7+=) 12...Bh6–/+ 13.f4 c6?? (better is 13...Nb2 14.Qb2 Bg7–+) 14.dc4+– Qb6 (14...bc4 15.Bc4 d5 16.Bd3 Qb6 17.Kh1+–) 15.c5 Qc7 16.Bf3 (better is 16.a4 Bg7 17.Qd2 ba4 18.Nd5 (18.Na4?! Bb2 19.Nb2 Nf6+–) 18...cd5 19.Bg7+–) 16...Bf4+/– 17.Qd1 Bh2 18.Kh1 Bg3 19.Ne4 h4 20.Ng5+– Re3 21.Rb1 Qf4? 22.Nh3?? Qc4+= 23.Ng5 f6= 24.Ne4?? Re4–+ 25.Be4 Qe4 26.c3 Nh6 27.Rc1 Ng4 28.Rc2?? Ne3 29.Qc1 Nc2 30.Qh6 0–0–0 31.c4 Ne3 32.Rg1 Ng4 33.Qc1 Nf2 0–1. pieeater – themuttsknutts, ChessWorld.net, 2010.

3.Na3 a6 4.d4 d5 5.Nf3 Nf6 6.e3 Nc6 7.Bd3 (better is 7.c3!?=) 7...Nb4–/+ 8.c3 Nd3 9.Qd3 c6 10.0–0 Ne4 11.Ne5 f6 12.f3 Nd6 13.Ng4 Bc8 14.Nc2 a5 15.a3 Nc4 16.Rab1 e5 17.e4? (17.Nf2 Bd6–+) 17...Ba6?? (better is 17...de4!? 18.Qe4 f5 19.Qc6 Bd7–+) 18.ed5 Qd5 19.Qe4? (better is 19.Nge3 Ne3 20.Ne3–/+) 19...Nd2 20.Qe2 Nb1 21.Rb1 Bd6 22.c4 bc4 23.Nce3 Qe6 24.de5 fe5 25.Bc3 0–0 26.Rb6 (26.Nc2 Rab8 27.Re1 Qd5–+) 26...Bc5 27.Rb1 Rab8 28.Rd1 (28.Rb8 Rb8 29.Ne5 a4–+) 28...Rb3 (< 28...Ba3 29.Be5 Rb3 30.Bd4–+) 29.Ba5 (29.Qe1 e4 30.Bd4 Bd4 31.Rd4 ef3 32.gf3 h5–+) 29...Ra3 30.Bd8 c3 31.Qc2 h5 32.h3 (32.Kh1 hg4 33.Ng4–+) 32...hg4 33.hg4 (33.Bg5 Qf5 34.Kh1 Qg5 35.Ng4–+) 33...Be3 34.Kh2 Qh6 35.Kg3 Qf4 36.Kh3–+ Bc4 37.Be7 Ra2 38.Qg6 Qh6 39.Qh6 gh6 40.Bd6 Rd8 41.Kh4 Rg2 (better is 41...c2 42.Re1 Bf2 43.Kh3 Be1–+) 42.Re1 Re2 43.Re2–+ Bg5 44.Kg3 Be2 45.Be5 c2 46.Bb2 Rd3 (47.Kg2 Bf3 48.Kg3 Rb3–+) 0–1. IkkeIkke97 – Nylson, HCL–C2344 playchess.de, 2003.

3.a4 ba4 4.Nf3 d6 (4...Nf6!?+=) 5.Ra4+/– Bf3 (better is 5...Nf6!?+/–) 6.ef3+– e5 7.d4 ed4 (7...Nf6 8.d5+–) 8.Qd4 Nc6? (better is 8...Nf6+–) 9.Bb5 Nge7 (9...Qd7 10.Qc3 Nge7 11.Ra6+–) 10.Ra6 Qd7 (10...Rb8 11.Bc6 (worse is 11.Rc6 Rb5 12.Rc3 c5=) 11...Nc6 12.Rc6+–) 11.Rc6! Nc6 (11...Kd8 12.0–0 Nc6+–) 12.Qd5 Qe7 (12...Qe6 13.Qe6 fe6 14.Bc6 Kf7 15.Ba8 d5+–) 13.Kd2 0–0–0 14.Qc6 Qg5 15.Ke2 Qe7 16.Kd3 Kb8 17.Ba6 1–0. pcmvr – jaortiz (2385), net–chess.com, 2014.

3.a4 Nf6 4.ab5+= d5 (4...e6 5.c3+=) 5.Nf3 c6 (5...e6 6.c3+/–) 6.bc6 (6.e3 a5 7.bc6 Nc6+/–) 6...Nc6 (6...Bc6 7.Bd4+/–) 7.b5 Nb4? (better is 7...Na5+/–) 8.c3+– 1–0. Wall,Bill – SuperUltra, chess.com, 2010.

3.Nc3 Nc6 4.a3 (4.a4=) 4...f5 (4...a6!?=) 5.Nb5+/– Ba6 (5...e5 6.e3+/–) 6.c4 (6.e4 fe4 7.Qh5 g6+–) 6...Nf6 (6...Bb7 7.d4 a6 8.Nc3+/–) 7.Nf3 (7.d4+/–) 7...e5 (7...Bb7 8.d4 a6 9.Nc3+/–) 8.d4 (better is 8.Ne5!? Bb5 9.cb5 Ne5 10.Be5+–) 8...e4+/– 9.Ng5 (9.Nh4 g6 10.e3 Ng4+/–) 9...Be7? (9...Bb5 10.cb5 Nb4 11.e3=) 10.Bc3 (10.Qa4 Bb5 11.cb5 Nb4 12.ab4 Nd5+–) 10...0–0 (10...Ng4!? 11.Nh3 0–0+/–) 11.d5+/– d6?? (better is 11...Nb8+/–) 12.Ne6+– Qe8 13.Nf8 Bf8 14.dc6 Qc6 15.e3 Bb5 16.Qd4 Ba6?? 17.b5 Bb5 18.cb5 Qd7 19.Bc4 d5 20.Bb3 Qb5 21.Ba4 Qb6 22.Qe5 Bd6 23.Qe6 Kf8 24.0–0 Bh2!–+ 25.Kh2 Qe6 26.Bb4 Kf7 27.Rac1 Rc8 28.Ba5 Ne8 29.Rc6 Qe5 30.g3 d4 31.Rd1?? Qa5 32.Rc4 Nd6 33.Rcd4 Rd8 34.Bb3 Ke8 35.Ba4 Ke7 36.Kh3 c5 37.Rd5 Qa4 38.Rc5 Qa3 39.Rdc1 g5 40.g4 f4 41.R1c3 Qa2 42.Rc7 Rd7 43.Rc2 Qa4 44.Rc8 Nc8 45.Rc8 fe3 46.fe3 Qa3 (47.Rc2 Qe3 48.Kg2 Qf3 49.Kh2 Qf4 50.Kg2 Qg4 51.Kh2 Rd3 52.Rc7 Kd6 53.Rc6 Kc6 54.Kh1 Rh3#) 0–1. Gregor123 – Master1, mySchach.de, 2004.

3.c4 a6 4.c5 (4.cb5 ab5 5.Nc3 e5=) 4...d6 (4...Nc6 5.a3+=) 5.Qb3 (5.a4 e5=) 5...f6 (5...dc5 6.bc5 e6 7.a4=) 6.Qh3 (6.d4!?=) 6...e5+= 7.e3 (7.d4 Nc6 8.de5 Nb4 9.ef6 Nf6 10.cd6 Bd6–+) 7...Nd7 (7...dc5 8.bc5 Bc5 9.f4–/+) 8.Bd3 (8.d4+=) 8...g6 (better is 8...e4 9.Bc2 dc5–/+) 9.Bg6+= hg6 10.Qh8 Ne7 (10...Bg2 11.Qg8 Bh1 12.Qg6 Ke7 13.d4+=) 11.Nf3+/– dc5 12.a3 Nd5 (12...cb4 13.ab4 c5 14.Ba3+/–) 13.0–0 (13.Nh4 cb4 14.Ng6 ba3 15.Na3 b4+–) 13...c4 (better is 13...cb4 14.Qh7 Ne7 15.ab4 c5+/–) 14.Nh4+– Ne7 (14...c5 15.Ng6 cb4 16.Qh5+– (16.Nf8?! Nf8 17.ab4 Nb4+/–)) 15.Nc3 Nb6 16.Qf6 Qd7? 17.Ng6 Ng6 18.Qg6 Qf7 19.Qf7 Kf7 20.f4 Re8 21.fe5 (21.fe5 Kg8 22.Rf5+–) 1–0. Wall,Bill – Dale,John, internet, 2001.

3.c4 bc4 4.Na3 +=.

3.d3 d6 4.e4 e5 5.Be2 a6 6.Nf3 Be7 7.0–0 Nf6 8.h3 c6 9.Nbd2 Nbd7 10.a3 c5 11.Re1 0–0 12.Nf1 (12.Nb3 Qc7 13.Na5 Bc8=) 12...Rc8 (12...d5!? 13.Ne5 Ne5 (worse is 13...cb4 14.Nd7 Nd7 15.ed5+=) 14.Be5 cb4 15.ed5 Nd5+= (worse is 15...Qd5 16.Bf3 Qd7 17.Bb7 Qb7 18.ab4+/–)) 13.Ne3= Re8 14.Nf5 Bf8 15.Qd2 Qc7 16.bc5 dc5 (better is 16...Nc5!? 17.Rac1 h6=) 17.Qg5 Nb6?? (better is 17...g6+/–) 18.Nh6 (18.Be5 Re5 19.Ne5 Kh8+– (19...Qe5?? 20.Nh6 Kh8 21.Qe5+–)) 18...Kh8 19.Ne5 (19.Be5!? Qe7 20.Qh4 Ne4 21.de4 Qh4 22.Nh4 f6 23.Nf7 Kg8+–) 19...Nbd7 (19...Re7 20.Neg4 Ne8+–) 20.Nef7 1–0. residencialfil (2510) – grahamtrue (2165), net–chess.com, 2015.

3.d4 a5 4.ba5 b4 (4...Nf6 5.e3=) 5.d5 (5.a3 e6+=) 5...Ra5 (5...Nf6 6.Qd2 e6 7.a3 ba3 8.Ba3 Bd5 9.Bf8=) 6.e4= c6 (6...e6 7.c4=) 7.c4 (7.c3 Qb6 (< 7...cd5 8.cb4 Ra8 9.ed5+=) 8.Qb3 Nf6=) 7...c5 (7...Nf6!? 8.Nd2 cd5 9.ed5 e6=) 8.a3+= Nf6 (8...Na6 9.Nf3+=) 9.Nd2 (9.e5 Ng8+=) 9...d6 (9...ba3 10.Ba3 (< 10.Ra3 Ra3 11.Ba3 Ne4=+) 10...d6 11.Nb3=) 10.ab4 (10.Nb3 Ra8 11.ab4 cb4 12.Ra8 Ba8+/–) 10...Ra1 (10...cb4 11.Ra5 Qa5 12.Bd3+=) 11.Qa1+/– cb4 12.Qa4 Nfd7 (12...Qd7 13.Qb4 e6 14.Ngf3+/–) 13.Qb4 Qb6 (13...Nc5 14.Be2+/–) 14.Qb6+– Nb6 15.Ngf3 h6 (15...N8d7 16.Bd4+–) 16.Bd3 e5 (16...N8d7 17.Ke2+–) 17.de6 (17.c5 dc5 18.Ne5 Ba6+–) 17...fe6 18.0–0 (18.Ke2 Na4 19.Rb1 Nc5+–) 18...Rg8 (18...N6d7 19.e5 de5 20.Rb1+–) 19.Nd4 (19.Rb1!? Ba6+–) 19...e5 20.Nf5 (better is 20.Rb1 N8d7 21.Nf5+/–) 20...h5 (20...g6!? 21.Ne3 Na4+/–) 21.Ba3 Kd7 22.Rb1 Kc7 23.Bd6 Bd6 24.Nd6 Rd8? 25.c5 Rd6 26.cd6 Kc6 27.Nc4 Nc4 28.Bc4 g5 29.Bd5 Kd6 30.Rb7 Nd7 31.f3 Nc5 32.Rh7 h4 33.Rh6 Ke7 34.Rg6 Nd3 35.Rg5 Nf4 36.Re5 Kd7 37.Rf5 Ne2 38.Kf2 Nd4 39.Rh5 (39...Nc2 40.Rh4+–) 1–0. DMZagain – riverborne, Live Game Caissa's Web, 2005.

3.d4 Nc6 4.a3= a5 5.d5 (5.e4 Nf6=) 5...Nb8 (5...Na7 6.e4=) 6.e4+= ab4 (6...c6 7.dc6 Bc6 8.Nc3+=) 7.Bb5 e6 8.ab4 (8.de6 Be4 9.Qg4 f5 10.Qh5 g6+=) 8...Bb4 (8...Ra1 9.Ba1 ed5 10.ed5 Bb4 11.c3=) 9.Nd2 (better is 9.c3 Ra1 10.Ba1=) 9...ed5?? (better is 9...Ra1 10.Ba1 Qg5=+) 10.Ra8+/– (10.Bg7?! Ra1 11.Ba1 Nf6=) 10...Ba8 11.Qa1?? (better is 11.Bg7 c6 12.Bh8 cb5 13.c3+–) 11...Qg5 (better is 11...Bd2 12.Kd2 Qg5 13.Ke1 Qg2 14.Qa8 Qh1 (14...Qe4? 15.Kf1+–) 15.Qb8 Ke7 16.Ba3 Kf6 17.e5 Kg6=) 12.Qa8?? (12.c3 Qg2 13.Qa8 Qh1 14.Qb8 Ke7 15.Qc7 Qg1 16.Nf1 Bc3 17.Bc3+– (17.Qc3?! d4 18.Ba3 Kd8 19.Qa5 Kc8+–)) 12...Qd2 (12...Bd2? 13.Kf1 Qd8 14.Bg7+–) 13.Kf1 Qd1# (13...Qe1#) 0–1. DoubleMint – boriskarp, Live Game Caissa's Web, 2005.

3.d4 d5 4.Nf3 e6 5.a3 Bd6 6.Nc3 Nc6 7.e4 a6 8.ed5 ed5 9.Nd5 Nce7 10.Ne3 Nd5 11.c4 bc4 12.Bc4 Ne3 13.Qa4 Qd7 14.Bf7! Kd8 (14...Kf7 15.Ne5 Double attack (15.Qd7 Deflection; 15.Qd7 Overloading; 15.fe3 Zwischenzug)) 15.Qd7 Kd7 16.fe3 Nf6 17.Ne5 Ke7 18.0–0 Be5 19.de5 Kf7 20.Rac1 Rac8 21.ef6 g6 22.Rfd1 Ke6 23.Rc5 Be4 (23...Rhd8 24.Re5 Kf7 25.Re7 Kf8+–) 24.Re5 (24.Re5 Kf7 25.Rd7 Kf8 26.Re4+–) 1–0. usingprogram (2035) – yellowgreen, internet, 2012.

3.d4 e6!? 4.a4 a5 =+.

3.d4 Nf6 4.Nc3 a6 5.d5 d6 (better is 5...e6!? 6.de6 fe6+=) 6.e4+= Nbd7 7.Bd3 Ne5 8.Nf3 Nfg4 9.h3 Nd3 10.cd3 Nf6 11.0–0 Qd7 12.Qd2 Rd8 13.Nd4 Rb8 14.f4 Rd8 15.e5?? (better is 15.a4 ba4 16.f5+/–) 15...de5 16.fe5 Nd5 17.Nd5 Qd5 18.Rf3 (better is 18.Rac1!?=) 18...e6 19.Qf4 Rd7 20.Qg5 (20.Nb3!?–/+) 20...c5 21.Raf1?? (better is 21.Nb3–+) 21...cd4 22.Qh5 (22.Rf4 f6 23.Qh5 g6–+) 22...g6 23.Qg5 Bb4 24.Qf4 Bc3 (24...Bc3 25.Qf6 Rg8–+) 0–1. billmota (2025) – grahamtrue (2185), net–chess.com, 2011.

3.d4 g5 4.d5 (4.a4+=) 4...f6 (4...Nf6!?+=) 5.e4+/– c6?? (better is 5...e6 6.Qh5 Ke7+/–) 6.Qh5# 1–0. Wall,Bill – Darwish,Jawad, chess.com, 2007.

3.Bd4 Nc6!? 4.Bb2 Nb4 =+.

3.Bd4 Bd5 4.Nc3 Nc6 5.Nb5 (5.Bc5 Bc4=) 5...Nb4 (5...Rb8 6.Nc3 e6 7.Nd5 ed5 8.Bc5 Bc5 9.bc5=) 6.c3 (6.Nc3 Be6+=) 6...c6 (6...Nc6 7.Be3=+) 7.Na7 (7.cb4!? cb5 8.a4=) 7...Na2 (better is 7...e5 8.Be3 Na6–/+) 8.e4!+/– (8...Be6 9.c4+/–) 1–0. Pumphut – Graue70, Hauptsache SPASS, 2003.

3.e3 Bc6 4.Nf3 Bf3 (4...e6 5.a4 ba4 6.b5+=) 5.Qf3+/– c6 (5...Nc6 6.a3 Rb8 7.Be2+/–) 6.c4 (6.Bb5 Qb6 7.Bc4 d5+/–) 6...a6 (better is 6...bc4!? 7.Bc4 d5+=) 7.cb5+– Qb6 8.bc6 Nc6 9.a3 a5 (9...e6 10.Be2+–) 10.b5 Rb8 11.a4 (11.Qg3 f6+–) 11...Nb4 12.Na3 Rc8 13.Bc3 e6 14.Be2 Nd5 (14...d5 15.0–0+–) 15.Bd4 (15.Nc4 Rc4 16.Bc4 Nc3 17.dc3 Qc5 18.Qa8 Ke7+–) 15...Qc7 16.0–0 Bd6 (better is 16...Nge7+–) 17.Bg7 Bh2 18.Kh1 Be5 19.Be5 (19.Bh8!? Bh8 20.d4 Nb6+–) 19...Qe5 20.d4 Qd6 21.Nc4 Qc7 22.Ne5 f6?? (22...Ndf6+–) 23.Qh5 Ke7 24.Qf7 Kd6 25.Nc4 Qc4 26.Bc4 Rc4 (26...Nh6 27.Qh5 Rc4 28.Qh6+–) 27.Qf8 (better is 27.Qg7 Nde7 28.Qh8 h6+–) 27...Nde7 28.Qb8 Kd5 29.Qb7 Kd6 30.Qb6 Kd5 31.Qa5 (31.f3 Nc6 32.Rfc1 e5 33.Rc4 Nge7 34.Rc5 Ke6 35.bc6 d6 36.Ra5 Kf7+–) 31...Nh6 (31...Ke4+–) 32.b6 Ke4 33.b7 (33.f3 Ke3 34.Rae1 Kd3 35.Rd1 Kc2 36.Rf2 Kb3 37.Rd3 Rc3 38.Rc3) 33...Nhf5 (33...d5 34.f3 Kf5 35.Qa8 Ra8 36.ba8Q+–) 34.Qa8 (34.f3 Ke3 35.Rae1 Kf4 36.Qd2 Kg3 37.Re4 Ra4 38.Qf4) 34...Ra8 35.ba8Q Nd5 36.Qa6 (36.Ra3!? Nd4 37.ed4 Kd4 38.Rd1 Ke5 39.Qb8 d6 40.Re1 Re4 41.Qb2 Kf5+–) 36...h5 37.Qc4 (37.Qc4 Nde3 38.Rfe1+–) 1–0. Hal1958 – Larese, playchess.de, 2006.

3.e3 Bd5 4.Nf3 (4.Bb5?? Bg2 5.Bg7 Bg7–+) 4...a6 5.Be2 Nc6 6.0–0 Nb4 7.a3 Nc6 8.d3 Qb8 9.e4 Be6 10.Nd4 Nd4 11.Bd4 (11...d6 12.f4=) =. valpa – Little_Preacher, HCL–C1791 playchess.de, 2003.

3.e4 a6 4.Bd3 (4.a4 A) 4...e6 5.f3 (5.ab5 Be4 6.ba6 Na6 7.Nc3 Bb7 8.b5 Nb4 9.Ra8 Qa8 10.f3+=) 5...Nf6 6.c3 ba4 7.Ra4 c5 8.bc5 Bc6 9.Ra1 Bc5 10.d4=; B) 4...ba4 5.Nc3 (5.f3 Nc6 6.Ra4 e5 7.Bc3 Nf6 8.Bc4 d5 9.ed5 Nd5 10.Bd5+=) 5...Bc6 6.Qe2 e6 7.Qc4 Nf6 8.Qd4 Qe7 9.Ba3 d6 10.Nf3=; C) 4...Be4 5.Nc3 (5.ab5 ab5 6.Nc3 Ra1 7.Ba1 Bg6 8.Nb5 Nc6 9.c3 Nf6 10.Nf3=) 5...Bb7 6.ab5 e6 7.ba6 Ra6 8.Na4 Nf6 9.Nf3 Ra8 10.b5=; 4.Nc3 A) 4...e5 5.a3 (5.a4 Nf6 6.Nf3 Bb4 7.ab5 d6 8.ba6 Na6 9.Ba6 Ba6 10.d3=) 5...Nf6 6.Nf3 c5 7.bc5 Nc6 8.d4 ed4 9.Nd4 Bc5 10.Nb3=; B) 4...e6 5.a3 (5.a4 Bb4 6.ab5 ab5 7.Ra8 Ba8 8.Nb5 Nf6 9.Bf6 gf6 10.c3=) 5...d5 6.ed5 ed5 7.Qe2 Ne7 8.Nf3 Nbc6 9.Na2 Bc8 10.Qe3+=; C) 4...Nf6 5.a4 (5.e5 Nd5 6.Nd5 Bd5 7.a4 Nc6 8.Nf3 Nb4 9.Bc3 Bf3 10.gf3+=) 5...e5 6.Nf3 Bb4 7.ab5 d6 8.ba6 Na6 9.Ba6 Ba6 10.d3=) 4...d6 (4...Nf6 5.Qf3 (5.f3 e6 6.a4 Bb4 7.ab5 0–0 8.Qe2 ab5 9.Ra8 Ba8 10.Bb5+=) 5...e6 6.a4 Bb4 7.ab5 ab5 8.Ra8 Ba8 9.Nc3 Bc3 10.Bc3+=; 4...e5 5.a4 (5.a3 d5 6.Qe2 d4 7.Nf3 Nd7 8.a4 Bb4 9.ab5 ab5 10.Bb5=) 5...Nc6 6.ab5 Nb4 7.ba6 Nd3 8.cd3 Ra6 9.Be5 Qg5 10.Nf3+=; 4...e6 5.a3 (5.Nf3 Nf6 6.e5 Nd5 7.a3 Nf4 8.Bf1 Be7 9.d3 0–0 10.Bc1+=) 5...Nf6 6.Nc3 c5 7.bc5 Bc5 8.Nf3 d6 9.0–0 0–0 10.Re1+=) 5.Nf3 (5.a4 Nc6 6.Bc3 ba4 7.Nf3 e5 8.Ra4 Nf6 9.0–0 Be7 10.Qe2+=) 5...e5 6.0–0 (6.a4 Nc6 7.Bc3 Na7 8.Qe2 Qd7 9.ab5 ab5 10.Na3+=) 6...Nf6 7.a4 ba4 8.Ra4 (8.Nc3 Bc6 9.Re1 Nbd7 10.Bc4+=) 8...Ne4 9.Be4 (9.Qe2 Nf6 10.Bf5=) 9...Be4 10.d3 (10.d4=) 10...Bc6 11.Ra3 Qf6 12.Re1 Bf3 13.Qf3 Qf3 14.gf3 Nc6 15.b5 Nb8 16.d4 f6 17.f4 Kd7 18.f5? (better is 18.de5!? fe5 19.fe5 de5 20.Rd3 Bd6 21.Re5=) 18...Be7 19.Ra4 c6 20.Nc3 cb5 21.Raa1 Nc6 22.Ne2 (22.Nd5 Bd8–+) 22...a5 23.d5 (23.Bc3 b4 24.d5 bc3 25.dc6 Kc6–+) 23...Nb4 24.Red1 Nc2 25.Rab1 (25.Rac1 Nb4–+) 25...b4 26.Bc1 Rhc8 27.Rd2 Rc4 28.Rb2 Nd4 29.Ng3 (29.Rd1 Ne2 30.Re2–+) 29...Rc1 30.Kg2 Rac8 31.Nh5 Bf8 32.f4 Nf5 33.Re2 (33.Kf2 Rh1 34.Kg2 Ne3 35.Kh3 Nc4–+) 33...Nd4 34.Rf2 R8c2 35.Kg3 b3 36.h4 Rf2 37.Kf2 a4 (37...Rc2 38.Ke3 Rb2 39.fe5 de5 40.Ng3–+) 38.Ng3 Rc2 39.Rc2 bc2 40.Ne2 Ne2 41.Ke2 c1Q 42.f5 0–1. gordiemac – Mr.Oldenslo, ChessWorld.net, 2011.

3.e4 Nf6 4.Bb5 Be4 5.Nf3 e6 6.Nc3 Bb7 7.a3 Be7 8.0–0 0–0 9.Qe2 d6 10.d3 Nbd7 11.Nd4 c5 12.bc5 Nc5 13.Rfe1 Qc7 14.Nf5 Nd5?? (better is 14...Bd8 15.Ng3 a6–/+) 15.Nd5+– (15.Ne7?! Qe7 16.Nd5 Bd5+=) 15...Bd5 16.Qg4 g6 (16...Bg5 17.Bg7 Qd8+–) 17.Nh6 1–0. capablancaven – atul (1700), gameknot.com, 2011.

3.f3 e5 4.e4 Bb4 5.Be5 Nf6 (5...f6 6.Bf4 a6 7.a4+=) 6.Bc3 (6.c3 Be7 7.Bb5 Nc6 8.Bc6 Bc6+=) 6...Nc6 (Better is 6...Bc3!? 7.Nc3 a6=+) 7.Bb5+= Qe7 8.a3 Bc3 9.Nc3 Nd4 10.Bc4 d5= 11.Bd3 de4–/+ 12.fe4 Ne4 13.Qe2?? Ne2–+ 14.Nce2 Qh4 15.g3 Qf6 16.Rb1 Qf2 17.Kd1 Qf1 0–1. MasterofDisaster – garlicpapper6, Live Game Caissa's Web, 2004.

3.f3 f5 4.e3 (4.e4 e6+=) 4...a6 5.Bd3 (5.Ne2 e6 6.a3 Nf6=) 5...e6 6.Ne2 (6.e4 A) 6...Bb4 7.Bg7 fe4 8.Bh8 (8.Be4?! d5+–) 8...ed3 9.cd3+=; B) 6...Qg5 7.Qe2 fe4 8.Be4 Be4 9.Qe4 Nc6=) 6...Nf6 (6...Qh4 7.Ng3–/+) 7.0–0 (7.a3 c5 8.bc5 Bc5=) 7...Nc6 (Better is 7...Bb4!? 8.a4 ba4 9.Ra4 Bd6–/+) 8.a3= Be7 9.c4 bc4 10.Bc4 0–0 11.d4 Na7 (11...a5 12.b5 Nb8 13.Nf4+=) ½–½. Bets,Anatolij (2405) – Podgurkii,Stepan (2250), Bucharest–B, 1994.

3.Nf3 Nc6 4.e3 a6 5.a3 d6 6.c4 bc4 7.Bc4 e6 (7...e5 8.Nc3+/–) 8.0–0 Nf6 9.d4 Be7 (9...d5 10.Bd3+/–) 10.Nc3 0–0 11.d5 (11.Rc1 Qd7+/–) 11...ed5 12.Nd5 Nd5 (12...Ne5 13.Ne5 de5 14.Nf6 Bf6 15.Qg4+/–) 13.Bd5 Bf6? (better is 13...Qc8!?+/–) 14.Bf6+– Qf6 15.Rc1 Nb4?? (15...Nd8 16.Rc7 Bd5 17.Qd5 Ne6+–) 16.Bb7 Rab8 17.Rc7 (better is 17.Be4 Na2 18.Rc7 Nc3 19.Bh7 Kh8+–) 17...Na2 (17...Qd8 18.Rc8 (18.ab4?! Qc7 19.Ba6 Rb4+–) 18...Rc8 19.Bc8 (19.ab4?! Rb8 20.Ba6 Rb4+–) 19...Qc8 20.ab4+–) 18.Qc2 (better is 18.Qd3 Nc3 19.Qa6 d5 20.Qf6 gf6+–) 18...Nc3 19.Ba6 (19...Nd5 20.Ra7+–) 1–0. Wall,Bill – MyGame, Internet, 2006.

3.Nf3 d5 4.g3 (4.e3!? a6 5.a4+=) 4...e6 5.Bg2 Nf6 (5...Bb4?? 6.Bg7 Nf6 7.Bh8+–) 6.0–0 (6.a4!?=) 6...Bb4–/+ 7.Ba3 (7.Nc3 a6–/+) 7...Ba3 8.Na3 (8...a6 9.d4–/+). chrisalvin2005 – oasis, chessHere.com, 2006.

3.Nf3 Bf3 4.ef3 e6 5.a3 a6 6.c4 bc4 7.Bc4 Qg5 8.0–0 Bd6 9.d3 (9.g3 Nf6+/–) 9...Qh5 10.h3 Qg5 (10...Nf6 11.Nd2+=) 11.Nd2 Qf4 12.g3 Qg5 (12...Qh6 13.Ne4+/–) 13.h4 (13.Ne4 Qg6 14.d4+–) 13...Qf5? (better is 13...Qg6+/–) 14.Bg7+– Ne7 (14...Be5 15.Bh8 Bh8+–) 15.Bh8 Nbc6 (15...Ng6 16.Bc3 Nh4 17.Ne4+– (17.gh4?! Qh3 18.f4 Bf4=)) 16.Ne4 (16.f4 Bf4 17.Nf3 Ng6+–) 16...Ne5 (16...Be5 17.Be5 Ne5 18.Nd2+–) 17.Nd6 cd6 18.Be5 Qe5 (18...de5 19.d4 h6 20.Bd3+–) 19.f4 (19.d4 Qf6 20.d5 Qc3+–) 19...Qg7 20.Rc1 d5 21.Bb3 Nc6 (21...a5 22.b5+–) 22.Re1 Nd4 (22...Kd8 23.Qc2 Qd4 24.Ba4+–) 23.Bd5 Rb8 24.Bc4 (24.Qa4 Qg4 25.Rc4 Nf3 26.Bf3 Qf3 27.Qa6 Ke7+–) 24...Nf5 (24...Rb6 25.Kg2 Ke7 26.Qh5+–) 25.Ba6 Nh4 (25...Ng3 26.fg3 Qg3 27.Kf1+–) 26.Rc8 (better is 26.Qh5 Ng6 27.f5 Nf8+–) 26...Rc8 27.Bc8 Kd8 28.Ba6 Nf5 29.Qc2 Nh4 30.Re3 Nf5 31.Qc8 Ke7 32.Qc5 Ke8 33.Qf5 Kf8 34.Qc5 Kg8 35.Qc8 Qf8 36.Qf8 Kf8 37.Re4 d5 38.Re1 Ke7 39.Rc1 Kd6 40.b5 f5 41.b6 (41.b6 Kd7 42.b7 e5 43.b8Q ef4 44.Qc7 Ke8 45.Qh7 fg3 46.Rc8#) 1–0. madik – greywolf_b, Gameknot.com, 2008.

3.Nf3 h5 4.e3+= f5 (better is 4...a6!?+=) 5.Bb5+– Rh6 (5...e6 6.0–0+–) 6.Bc4 (6.0–0 a6 7.Bc4 Nf6+–) 6...Nf6 7.Ng5 (better is 7.0–0!?+–) 7...Bg2?? (better is 7...e6+=) 8.Bf7 1–0. Wall,Bill – Woolley,Richard, internet, 2001.

3.f4 e5=+ 4.Nf3 (4.fe5 Qh4 5.g3 Qb4=+) 4...ef4–/+ 5.a3 a5 6.e4 fe3 7.Qe2 Qe7 8.Qe3 Qe3 9.de3 ab4 10.ab4 Ra1 (11.Ba1 Bb4 12.Nbd2 Nf6 13.Bb5 Ne4–/+) –/+. Kingslayer2 – marekt (2015), ChessWorld.net, 2003.

3.h3 f5 4.f4?? (better is 4.e4!? fe4 5.Qh5 g6 6.Qb5+=) 4...Nc6 5.c3 (5.e3 e5 6.Qh5 g6=) 5...g6 (5...e5!? 6.e3 Qh4 7.Ke2 ef4 8.Nf3–/+) 6.d3 Nf6 7.Rh2 e5 8.g3 e4 9.d4 a5 10.e3 ab4 11.c4? (better is 11.Bb5!? Nd5 12.Qe2–/+) 11...bc4–+ 12.Bc4 Na5 13.Be2 h6 14.Bb5 Nd5 15.a3? (15.Kf2 Ba6 16.Ba6 Ra6–+) 15...Ne3 16.Qe2 Nd5 17.Bc4 Nc4 18.Qc4 g5 19.ab4 Nb4 20.Ra8 Qa8 21.Qc7 Nd3 22.Kd1 Qa4 23.Ke2 Nb2 24.Qb7 Qc2 25.Nd2 Rh7 26.Rf2?? gf4 27.Rf4 h5 28.Rf5?? Rg7 29.Qb8 Ke7 30.Qf8 Ke6 31.Qf6# (31.Qg7?! Qd1 32.Kf2 Qd2 33.Kf1 Kf5 34.Qd7 Kf6 35.Qd6 Kg7 36.Qe7 Kg8 37.Qe4 Nd3+–) 1–0. pekindragons – bagboy, gameknot.com, 2011.

3.a3 d6

4.d4 Nf6 5.Nf3 e6 6.e3 Be7 (6...c6 7.c4 bc4 8.Bc4=) 7.Bd3 (7.Bb5 Nbd7+/–) 7...0–0 (7...a6 8.0–0=) 8.0–0 (8.Bb5!? a5 9.ba5 Ra5 10.Bd3+/–) 8...a6 9.Re1 (9.a4 ba4 10.Ra4 c5=) 9...Nc6 (9...c5!?=) 10.e4 h6 11.Nbd2 Re8 12.Nf1 Na7 13.Ne3 (13.Ng3!?+=) 13...c5 (13...Be4 14.Be4 Ne4 15.d5+=) 14.e5 (14.bc5 dc5 15.e5 Nh5=) 14...de5+= 15.Ne5 (better is 15.de5 Nd7 16.bc5 Nc5 17.Nd4+=) 15...Nc6?? (better is 15...cb4 16.a4 Qb6–/+) 16.Bc1?? (better is 16.dc5 Ne5 17.Be5+/–) 16...Nd4 (better is 16...Qd4!? 17.Nc6 Qa1 (17...Bc6?! 18.Rb1–+) 18.Ne7 Re7 19.bc5 Qc3–+) 17.c3 (17.Bb2 Qc7 18.bc5 Bc5–/+ (18...Qc5? 19.Bd4 Qc7 20.c4+–)) 17...Nc6 18.bc5?? Ne5–+ 19.Bc2 Bc5 20.Bb2 Ng6 21.Rb1 Qc7 22.Qd3 Rad8 23.Qe2 Nf4 24.Qf1 Be3 25.Re3 Ng2 26.Rg3 Nh4 27.Bc1 Qc6 28.f3 Ng6 29.Bg6 fg6 30.Rb3 g5 31.Qe2 Nh5 32.Rg4 Qd5 (32...Qd5 33.c4 Qd1 34.Qd1 Rd1 35.Kf2 Rc1 36.cb5 Rc2 37.Ke1 Rd8–+) 0–1. pieeater – keeder, ChessWorld.net, 2010.

4.e3 c6 5.c4 +=.

4.e3 Nf6 5.Nf3 (5.Bb5 c6 6.Be2 a5+/–) 5...e5 6.Bd3?? (better is 6.Bb5 c6 7.Be2+/–) 6...e4–/+ 7.Bf6 (better is 7.Bb5!? c6 8.Ba4 ef3 9.Qf3–/+) 7...Qf6–+ 8.c3? (8.Bb5 c6 9.Nd4 cb5–+) 8...ef3 (8...ed3!? 9.a4 ba4 10.Ra4–+) 9.g3 a6 10.–0 Bc8 (10...Nd7 11.Re1–+) 11.e4 (11.a4 d5–+) 11...Bg4 12.Ra2 (12.a4 ba4 13.Bc4 Be7–+) 12...Bh3 13.Re1 Bg4 14.c4?? (14.Rf1 Be6 15.Ra1–+) 14...Qh6 (14...Be7 15.cb5 Be6 16.Rc2–+) 15.Bf1 Be7 16.c5? 0–0 17.Kh1 Nc6 18.d4 Rfb8 19.d5 Ne5 20.c6 Bg5 21.Rc2 Bh3 22.Nd2 g6 23.Nf3 Re8 24.Bh3? Qh5?? 25.Bd7?? Nd7?? 26.cd7+– Red8 27.Rc7 Kg7 28.e5 de5 29.Re5 f6 30.Re7 Kf8 31.d6 f5 32.Kg2 Be7 33.de7 Ke7 34.Qe1 Kf7 35.Ne5 Kf6?? 36.Rc6 Ke7 37.Ng6 Kd7 38.Qe6 1–0. pieeater – gordiemac, ChessWorld.net, 2011.

4.Nf3 Nf6 5.e3 e5 6.Bb5 c6 7.Ba4 Be7 8.0–0 0–0 9.d3 Ba6 10.c4 Qc7 11.Re1 c5 12.b5 Bc8 13.e4 Bd7 14.Nbd2 Bg4 15.h3 Bh5 16.Qe2 Qa5 17.Bc2 Nbd7 18.Qe3 Rfb8 19.a4 Nb6 20.Nh4 g6 (20...Re8 21.Ra3 Nc8 22.Bc3+–) 21.Ndf3 Rd8 22.Rac1 (22.Ra3 Nbd7+–) 22...Qb4 23.Rb1 Na4? (23...Qa5 24.Bc1 Qc3 25.Bb3 Bf3 26.Nf3+– (worse is 26.gf3 Nbd7+/–)) 24.Be5 (better is 24.Bc1 Qa5 25.Bd2 Qc7 26.Ba4 Qd7+–) 24...Qa5 25.Bf6 Bf6 26.d4 Bd4? 27.Qf4?? Nc3 28.Ra1?? Qb4?? 29.Ng5?? Rd7 30.Nf5? Be5 31.Qh4 Qc4 32.Nh6 Kg7 33.Ngf7 Ne2 34.Kh1 Qc2 35.Ne5 de5 36.Ng4 Bg4 37.Qg4 Rd2 38.Ra6? Qc4 39.f3? Qb5 40.Re6 c4 41.Qg5?? Re8?? 42.Qf6?? Kg8–+ 43.Re8 Qe8 44.Kh2 c3 45.h4 c2 46.Kh3 Rd1 47.Rd1 cd1Q 48.g3 Qe1 49.Qg5 Qf1 50.Kg4 Qe6 51.Qf5 gf5 52.ef5 Qc4 53.Kg5 Qf7 54.h5 Qf3 (54...Qf3 55.g4 Qe7 56.f6 Qef6; 54...Qg7 55.Kh4 Qg3) 0–1. pieeater – gordiemac, ChessWorld.net, 2011.

3.a3 e6

4.e3 a6 5.Nf3 c5 (5...Nf6 6.Nc3=) 6.c3 (6.bc5!? Nf6 7.d4+/–) 6...c4 7.Be2 Nf6 8.0–0 Be7 9.Nd4 (9.d3!? d5 10.a4=) 9...0–0 10.Re1 (10.d3 cd3 11.Bd3 Nc6+=) 10...e5 (10...Nc6 11.d3 cd3 12.Bd3+=) 11.Nf3 (11.Nf5 Be4 12.Ne7 Qe7+=) 11...d6 (better is 11...Nc6–/+) 12.d3?? (12.a4+=) 12...e4?? (12...cd3 13.Bf1 e4 14.Nd4–+) 13.Nd4?? (better is 13.de4 Ne4 14.Nbd2=) 13...cd3–+ 14.Bg4 Ng4 15.Qg4 Bf6 16.Nd2 d5 17.a4 Bd4 (17...ba4!? 18.Ra4 Nc6 19.Nc6 Bc6 20.Ra2–+) 18.ed4 f5 19.Qf4 Nc6 20.a5 (20.Nb3 ba4 21.Nc5 Rf7–+) 20...Qe7 21.Bc1 g5 22.Qg3 Kh8 Black plans f4 23.h3 Bc8 24.Nb3 f4 25.Qh2 Ra7 26.Nc5 Bf5?? (26...Qf6 27.Bd2–+) 27.Bd2? (27.Nd3 Rf6+=) 27...Bg6 (27...Qf6 28.h4 gh4 29.Bf4–+) 28.Kh1? (28.h4 gh4 29.Nd3 f3–/+) 28...Nd8?? (better is 28...Qf6–+) 29.Nd3+= Ne6 30.Ne5 Qe8 31.h4 gh4 32.Qh4 Kg7 (32...Rg7 33.g4–/+) 33.Kh2 Rf5 34.g4 fg3 35.Qg3 Rh5 36.Kg2 Kh8 37.Rh1?? (better is 37.Ng6 Qg6 38.Qg6 hg6 39.Rh1=) 37...Rh1?? (better is 37...Rg7 38.Bh6 Rh6 39.Rh6 Bh5 40.Ng6 Bg6–+ (40...Rg6?! 41.Rg6 hg6 42.Qe5 Kh7 43.Rh1–+)) 38.Rh1+/– Rg7 (38...Bh5!? 39.Bh6 Be2+/–) 39.Bh6+– Rg8 40.Kf1 Bh5?? (40...Ng7 41.Bg5 h5 42.Bf6+–) 41.Qh3 (better is 41.Qh4 Ng7 42.Rg1+–) 41...Bg6+/– 42.Be3 Rf8 43.Rg1 Kg8 44.Qh6 Rf6 45.Qh4 Kg7?? (better is 45...Rf8+/–) 46.Bh6 1–0. grahamtrue (2165) – pushtiu (2245), net–chess.com, 2015.

4.e3 Nf6 5.Bb5?? Bg2–+ 6.f3 Bh1 7.Kf2 (7.Nh3 c6 8.Be2 Nh5–+) 7...c6 8.Be2 Qc7 9.f4 a5 10.c4 (10.Nh3 Be4 11.ba5 Be7–+) 10...ab4 11.d3 c5 (11...ba3 12.Nh3 a2 13.Nd2–+) 12.Nh3 (12.Bf6 gf6 13.Nf3 Bf3 14.Bf3 Nc6–+) 12...Bb7 13.Qg1 Nc6 14.Qg5 (14.Ke1 Qb6–+) 14...Be7 15.Qg7 Rg8 16.Qh6 (16.Bf6 Rg7 17.Bg7 Bh4 18.Kf1–+) 16...Rg6 17.Qh4 (17.Qg6 hg6 18.Bf3 Qb6–+) 17…Ne4! (17...Ne4 18.de4 Bh4 19.Kf1 Qb6–+) 0–1. guest6914 – Fournier,Frederic, Active, 2005.

4.e3 Nf6 5.Nf3 a6 6.c4 bc4 7.Bc4 =.

4.e4 a5 A) 5.f3 A1) 5...ab4 6.Bb5 (6.ab4 Ra1 7.Ba1 Nf6 8.Bb5 Bb4 9.Ne2 c6 10.Ba4 0–0 11.Bd4=) 6...Nf6 7.Nh3 Ra5 8.c4 ba3 9.Na3 Bc5 10.d4 Bb4 11.Kf2=; A2) 5...Nf6 6.Bb5 (6.Nh3 c6 7.ba5 Ra5 8.c4 bc4 9.Bc4 d5 10.Bd3 de4 11.Be4+=) 6...ab4 7.Nh3 c6 8.Be2 d5 9.Nf2 ba3 10.Na3 Qb6 11.Ra2=; A3) 5...c6 6.ba5 (6.a4 ab4 7.ab5 Ra1 8.Ba1 d5 9.ed5 Qd5 10.Bd3 cb5 11.Be4+=) 6...Ra5 7.c4 bc4 8.Bc4 d5 9.Bd3 c5 10.Bc3 Ra8 11.ed5=; B) 5.Bb5 B1) 5...Qg5 6.Be2 (6.Bf1 Be4 7.Nh3 Qf5 8.d3 Bc6 9.ba5 Nf6 10.Nd2 Qa5 11.d4+=) 6...Qg2 7.Bf3 Qg6 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 Nc6 11.Na2=; B2) 5...ab4 6.f3 (6.Qf3 Nf6 7.Bd3 Ra4 8.c4 Nc6 9.Bc2 Ra5 10.Qb3 Ra6 11.Qe3+=) 6...Nf6 7.Nh3 c6 8.Be2 d5 9.Nf2 ba3 10.Na3 Qb6 11.Ra2=; B3) 5...Be4 6.Qg4 (6.f3 Bf5 7.h4 c6 8.Be2 h5 9.ba5 Qc7 10.Kf2 Bc5 11.d4+=) 6...Bc2 7.Bg7 Nh6 8.Bh6 Bh6 9.ba5 c6 10.Be2 Ra5 11.Qg3+=; C) 5.Nc3 Nf6 (5...ab4 6.ab4 Ra1 7.Qa1 Bb4 8.Nb5 f6 9.Qa7 Qc8 10.Qe3 Na6 11.Be2+=) 6.Bb5 (6.Nb5 Ne4 7.f3 c6 8.Nc7 Qc7 9.fe4 c5 10.bc5 Be4 11.d3+=) 6...ab4 7.ab4 Ra1 8.Qa1 Bb4 9.Bd3 Nc6 10.Nf3 0–0 11.Na2=; D) 5.ba5 D1) 5...Bc6 6.Nc3 (6.Nf3 Ra5 7.Nc3 Qf6 8.Bd3 Na6 9.Rb1 Qg6 10.0–0 b4 11.ab4+=) 6...Ra5 7.Nf3 Qf6 8.Rb1 Qf4 9.g3 Qg4 10.Be2 Qh5 11.d4+/–; D2) 5...Be4 6.Nc3 Bc6 7.Nb5 Nf6 8.Nd4 Be4 9.Ngf3 Bc5 10.Nb3 Be7 11.d3=; D3) 5...Ra5 6.Nc3 (6.Bc3 Ra4 7.Bb5 Re4 8.Kf1 Qg5 9.Bd3 Re1 10.Ke1 Qg2 11.Ke2–/+) 6...Bc6 7.Nf3 Nf6 8.Nd4 b4 9.ab4 Ra1 10.Ba1 Bb4 11.e5=.

4.e4 a6 A) 5.e5 A1) 5...Nc6 6.Nf3 (6.c4 bc4 7.Nf3 f6 8.ef6 Nf6 9.Bc4 Be7 10.0–0 0–0 11.Nc3=) 6...d6 7.ed6 cd6 8.c4 bc4 9.Bc4 Nf6 10.0–0 Be7 11.Nc3=; A2) 5...f6 6.d4 (6.Nf3 fe5 7.Ne5 Nf6 8.f4 Be7 9.c4 0–0 10.Nc3 bc4 11.Nc4+=) 6...Be7 7.Nf3 Nh6 8.c4 bc4 9.Bc4 0–0 10.d5 fe5 11.Ne5+=; A3) 5...d6 6.ed6 (6.Nf3 de5 7.Be5 Nd7 8.Bc3 Ngf6 9.Be2 Bd6 10.a4 ba4 11.Ra4+=) 6...Qd6 7.Nf3 Nd7 8.c4 bc4 9.Bc4 Rd8 10.Qa4 Qf4 11.Be2=; B) 5.Qf3 B1) 5...d5 6.e5 (6.ed5 Bd5 7.Qe2 Nf6 8.Nc3 Bb7 9.Nf3 Bd6 10.Ng5 0–0 11.Nce4+=) 6...Nd7 7.d4 Nb6 8.Bd3 Nc4 9.Bc4 bc4 10.Ne2 a5 11.ba5=; B2) 5...Nf6 6.d3 (6.Bf6 Qf6 7.Qf6 gf6 8.Nc3 c5 9.bc5 Bc5 10.Nge2 Nc6 11.Nc1+=) 6...c5 7.bc5 Bc5 8.Ne2 d5 9.e5 Nfd7 10.d4 Be7 11.Nf4=; B3) 5...c5 6.a4 (6.bc5 Nf6 7.Bf6 Qf6 8.Qf6 gf6 9.c4 bc4 10.Nc3 Bc5 11.Bc4+=) 6...ba4 7.bc5 Nf6 8.Nc3 Bc5 9.Na4 Be7 10.Bd3 d5 11.e5=; C) 5.Nc3 C1) 5...Be7 6.Nf3 (6.Qg4 Bf6 7.Nf3 Nh6 8.Qf4 0–0 9.Be2 d6 10.d4 Nc6 11.e5=) 6...Nf6 7.Bd3 0–0 8.0–0 c5 9.e5 Nd5 10.bc5 Nc3 11.Bc3=; C2) 5...Nf6 6.d3 (6.e5 Nd5 7.Nf3 c5 8.bc5 Bc5 9.Ne4 Be7 10.Bd4 0–0 11.c4=) 6...d5 7.e5 Nfd7 8.d4 c6 9.Bd3 a5 10.Na2 Be7 11.Ne2=; C3) 5...d5 6.ed5 ed5 7.Qe2 Ne7 8.Nf3 Nbc6 9.d4 Qd6 10.Na2 Bc8 11.c3=; D) 5.f3 D1) 5...Nf6 6.d4 (6.Nh3 Be7 7.Be2 d5 8.e5 Nfd7 9.d4 0–0 10.0–0 Nb6 11.Nf4=) 6...Be7 7.Bd3 0–0 8.Ne2 a5 9.0–0 ab4 10.Bb5 d5 11.e5=; D2) 5...Nc6 6.Nh3 (6.d4 d5 7.Bd3 Be7 8.e5 Nh6 9.Ne2 Bh4 10.g3 Be7 11.Bc1=) 6...d5 7.Bd3 de4 8.Be4 Nf6 9.0–0 a5 10.Qe2 Nd4 11.Qd3=; D3) 5...d5 6.ed5 ed5 7.Qe2 Ne7 8.a4 ba4 9.Nc3 Nbc6 10.Ra4 Rb8 11.Na2=.

4.e4 Be4 5.Nc3 Bf5 (5...Bc6 6.Nb5 a5 7.Nf3 Nf6 8.ba5 Be7 9.Nbd4 0–0 10.Nc6 Nc6 11.a6=; 5...Bb7 6.Nb5 a5 7.ba5 Ra5 8.Nf3 Nf6 9.Be5 Na6 10.d4 Be4 11.Qd2=) 6.Nb5 (6.Bb5 Nf6 7.Nf3 a5 8.ba5 Bc5 9.Nh4 Bg4 10.f3 Bh5 11.Qe2=) 6...Nc6 7.Nf3 a5 8.ba5 Nf6 9.Ne5 Na5 10.Nd4 Be4 11.f3 =.

4.e4 Be4 5.Nf3 Nf6 (5...a6 6.Be2 (6.c4 bc4 7.Bc4 d5 8.Nc3 Bf3 9.Qf3 Qf6 10.Be2 Qf3 11.Bf3–/+) 6...d5 7.0–0 Nf6 8.Ne5 Bd6 9.a4 d4 10.Bd4 Bg2 11.Kg2=; 5...c6 6.a4 (6.Nc3 Bf5 7.Be2 a5 8.ba5 d5 9.Nd4 Bg6 10.0–0 Bd6 11.Nb3–/+) 6...Na6 7.c3 Nc7 8.ab5 cb5 9.Na3 Qf6 10.Nd4 a6 11.Qe2+=; 5...Bc6 6.Nc3 a6 7.Be2 Be7 8.0–0 Nf6 9.Re1 0–0 10.Nd4 d5 11.Bf3–/+) 6.Bd3?? (6.Bb5 c6 (6...c5= 7.Nc3 cb4 8.Ne4 Ne4 9.ab4 Bb4 10.Ra4 a5 11.Qa1=) 7.Be2 a5 8.b5 d5 9.Nc3 Bf3 10.Bf3 Bd6 11.Rb1=) 6...Bd6?? (6...Bd3 7.cd3 a5 8.ba5 Ra5 9.a4–+) 7.Nc3?? (7.Bf6 Bf3 8.Qf3 Qf6 9.Qa8 Qa1 10.Qb8 Ke7 11.Qh8 Qb1 12.Ke2 Qh1 13.Qg7 Qh2 14.Qg5 Ke8 15.Qb5 c5=) 7...Bf3?? (better is 7...Bd3 8.cd3 c6–/+) 8.Qf3+= c6 9.0–0 (9.Nb5 Be7+=) 9...0–0 (9...Na6 10.Ne4 Be7 11.Rfb1+=) 10.Rfe1 (10.Nb5 Be7+=) 10...Qc7 11.g3 Re8?? (11...Na6 12.h3+=) 12.Ne4 Be5? 13.Be5?? Qe5= 14.c3 Qf5?? 15.Qf5+– ef5 16.Ng5 h6 17.Re8 Ne8 18.Nh3 Nf6 19.Nf4 d5 20.Kg2 Nbd7 21.h3 g5 22.Nh5?? Nh5–+ 23.Bf5 Ndf6 24.d4 Re8 25.g4 Nf4 26.Kg3 Re2 27.a4 a6 28.ab5 ab5 29.Ra6 Rd2 30.Rc6 Rd3 31.f3?? Rd1 32.Rf6 Rg1 33.Kf2+= Rh1 34.Rb6 Rh3 35.Rb5 Rh2 36.Kg3?? Rc2 37.Bc2+– Kg7 38.Rc5 Kf8 39.b5 Ke7 40.b6 Ne6 41.Rc6 Nd8 42.Rc7 Kd6 43.Bh7 Ke6 44.b7 Nb7 45.Rb7 Kf6 46.Rd7 Ke6 47.Ra7 f6 48.f4 Kd6 49.Bg8 Kc6 50.Rf7 Kd6 51.Rf6 Ke7 52.Rh6 Kf8 53.Bd5 Kg7 54.fg5 Kf8 55.c4 Ke8 56.c5 Kd8 (56...Ke7 57.Rh7 Kd8 58.g6 Ke8 59.g7 Ke7 60.g8Q Kf6 61.Qg7) 1–0. pieeater – gordiemac, ChessWorld.net, 2011.

4.e4 Nf6 A) 5.Bb5 A1) 5...Be4 6.Nf3 c6 7.Be2 a5 8.b5 d5 9.Nc3 Bf3 10.Bf3 Bd6 11.Rb1=; A2) 5...a6 6.Bd3 (6.Be2 Ne4 7.Nf3 c5 8.d3 Nf6 9.c3 Be7 10.0–0 d5 11.Re1=) 6...a5 7.b5 Ne4 8.Be4 Be4 9.Nf3 Bd6 10.0–0 0–0 11.Re1=; A3) 5...Ne4 6.Nf3 a5 7.0–0 ab4 8.ab4 Bb4 9.Ra8 Ba8 10.Bg7 Rg8 11.Bd4=; B) 5.Nf3 B1) 5...a6 6.e5 (6.d3 Be7 7.e5 Ng4 8.h3 Nh6 9.d4 0–0 10.Bd3 d6 11.0–0=) 6...Nd5 7.c4 bc4 8.Bc4 a5 9.b5 Be7 10.0–0 0–0 11.Nc3=; B2) 5...Be4 6.Bb5 c6 7.Be2 a5 8.b5 d5 9.Nc3 Bf3 10.Bf3 Bd6 11.Rb1=; B3) 5...Ne4 6.Bb5 a5 7.0–0 ab4 8.ab4 Bb4 9.Ra8 Ba8 10.Bg7 Rg8 11.Bd4=; C) 5.f3 C1) 5...a6 6.d4 (6.Nh3 Be7 7.Be2 0–0 8.0–0 d5 9.e5 Ne8 10.d4 Qd7 11.Bd3=) 6...Be7 7.Bd3 0–0 8.Ne2 a5 9.0–0 ab4 10.Bb5 d5 11.e5=; C2) 5...a5 6.Bb5 (6.ba5 Ra5 7.Bc3 b4 8.ab4 Ra1 9.Ba1 Bb4 10.Bc3 Bc3 11.Nc3=) 6...ab4 7.d4 ba3 8.Na3 Bc6 9.Bd3 Bb4 10.c3 Be7 11.Ne2=; C3) 5...c6 6.Nh3 (6.c4 bc4 7.Bc4 d5 8.ed5 cd5 9.Bb5 Nbd7 10.Bd4 Bd6 11.Ne2+=) 6...a5 7.ba5 Ra5 8.c4 bc4 9.Bc4 d5 10.Bd3 de4 11.Be4+=; D) 5.e5 Nd5 6.Nf3 (6.Nc3 a6 7.Nf3 c5 8.bc5 Bc5 9.Ne4 Be7 10.Bd4 0–0 11.c4=) 6...a6 7.d3 a5 8.c4 Nf4 9.Bc1 Ng6 10.cb5 ab4 11.a4=.

3.a3 f6

4.e3 a6 5.Nf3 e5 6.Bd3 (better is 6.Be2+=) 6...e4–/+ 7.Be4 (7.Nh4!? ed3 8.Qh5 g6 9.Ng6 hg6 10.Qh8 dc2 11.Qg8 cb1B 12.Rb1=) 7...Be4–+ 8.Nc3 Bc6 9.0–0 d5 10.d4 (10.Nd4 Qd7–/+) 10...Ne7 11.Re1 Ng6 12.Qd3 Bd6 13.e4 de4 14.Ne4 Kf7 (14...0–0 15.Qb3 Kh8 16.c4–+) 15.c3 (15.Qb3 Kf8–+) 15...Nf4–+ 16.Qe3 (16.Qd2–+) 16...Re8 17.Rad1 (17.Nd6 Qd6 18.Qd2–+) 17...Re4 18.Qc1 (18.Qd2 Qd7 19.Re4 Be4 20.Ne5 fe5 21.de5 Be5 22.Qd7 Nd7 23.Rd7 Ke6–+) 18...Ne2 (better is 18...Qd7 19.Nh4 Nh3 20.Kf1 Rh4 21.f3–+) 19.Re2 Re2 20.Nh4 (20.d5 Bd7–+) 20...Qd7 21.d5 (21.Re1 Bf4 22.Qa1 Re1 23.Qe1 g5–+) 21...Bb7 22.c4 Re4 23.Nf3 Rc4 24.Qd2 Bf4 25.Qe2 Bd5 26.g3 Re4 27.Qc2 Bh6 28.Kg2 Qe6 29.Qc7 Qe7 30.Qb6 Qb7 31.Qc5 Rc4 32.Qd6 Be6 33.h3 Rc6 34.Qd8 Rc8 35.Qd4 Nc6 36.Qd6 Rd8 37.Qc5 Rd1 38.h4 Qd7 39.Qh5 Kf8 40.Bf6 Bf7 41.Qc5 Qd6 42.Qb6 Qf6 43.Qc7 Bd5 44.h5 Qf3 45.Kh3 Be6 46.Kh2 Qh1# 0–1. pieeater – gordiemac, ChessWorld.net, 2012.

4.e4 e5 5.Nf3 g5 (5...a6 6.Nc3+=) 6.Ng1 (6.d4!? Be4 7.de5+/–) 6...Be4= 7.Qh5 (better is 7.Nc3!? Bg6 8.Bb5=) 7...Bg6–/+ 8.Qg4 (8.Qe2 Nc6–/+ (worse is 8...Bc2 9.d4 Bb1 10.Rb1+=)) 8...h5 (8...c6 9.Qe2–/+) 9.Qf3 Bc2?? (better is 9...c6–/+) 10.Qa8+– c6 (10...a6 11.d4 ed4 12.Nf3+–) 11.Qa7 d5 12.Nf3 Bd6 13.d3 d4 14.Be2 Ne7 15.0–0 0–0 16.Nbd2 Nc8 17.Qb7 Nb6?? 18.Rfc1 Ba4 19.Bd1 g4?? 20.Nh4?? Rf7= 21.Qf7 Kf7 22.Nf5 Nd5 23.Nh6?? Kg6–+ 24.Ne4 Kh6 25.g3 f5 26.Nd2 Nd7 27.Ba4 ba4 28.Nc4 Be7 29.Nd2 Bg5 30.Rd1 N7b6 31.Kg2 Qc7 32.h3 gh3 33.Kh3 Bd2 34.Rd2 f4 35.gf4 Nf4 36.Kg3 Qg7 37.Kf3 Qg2 0–1. pieeater – Jaime532133, ChessWorld.net, 2010.

3.a3 Nf6

4.e3 a5 5.Nf3= (5.Bb5?? Bg2 6.Be2 Bh1–+).

4.e3 Nc6 5.Nf3 Ne4? (5...a6 6.c4 bc4 7.Bc4+=) 6.Bd3 (6.Bb5 e6+/–) 6...f5? (6...Nd6 7.0–0+=) 7.Nd4 (better is 7.Nh4!? Nd6 8.Nf5 Nf5 9.Bf5+–) 7...Nd4+/– 8.Bd4 Rg8? (better is 8...e6!? 9.Qh5 g6+/–) 9.Qh5+– g6 10.Qh7 Bd5 11.Nc3 (11.Be4 fe4 12.Nc3 Bc4 13.Ne4 c6+–) 11...Nc3 (better is 11...Ng5!? 12.Qh4 Bg2 13.Qg5 Bh1 14.Bf5 Kf7+/–) 12.Bc3+– e6?? (12...c6 13.g4!+–) 13.0–0 (better is 13.Qg8 Qg5 14.Bg7+–) 13...e5 14.Be5 Bd6? 15.Bd6 cd6 16.Bb5 Bg2 17.Kg2 Qg5 18.Kh1 0–0–0 19.a4 Rh8 20.Qf7?? Qh5 21.Ba6 Kb8 (21...Kb8 22.Qh7 Rh7 23.h3 Qh3 24.Kg1 Qh2) 0–1. pieeater – chess blues, ChessWorld.net, 2010.

4.e3 d5 5.Nf3 (5.Bb5 c6 6.Be2 e6+/–) 5...Nbd7 (5...c6 6.a4 e6 7.Bc3=) 6.Be2 (6.Bb5 c6 7.Be2 e6+/–) 6...d4? (better is 6...a6!?=) 7.Bd4 e6 (7...Bf3 8.Bf3 e5 9.Bc3+/–) 8.0–0 (8.Bb5 a5 9.ba5 Ra5+–) 8...Ne4? (8...a6 9.c4 bc4 10.Bc4+/–) 9.d3 (better is 9.Bb5!? f6 10.Bb2+–) 9...Nef6+/– 10.e4 e5 (10...a5 11.Nc3+–) 11.Bb2 (11.Ne5!? Ne5 12.Be5 a5+–) 11...Qe7 12.Nc3 Qe6? (better is 12...a6!?+/–) 13.Nb5+– h6 1–0. pieeater – taraspet, ChessWorld.net, 2012.

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

4.Nf3 a5 5.e3 =.

4.Nf3 Nh5 5.e4 (5.e3 a6+/–) 5...Be4 (5...a6+=) 6.Be2 (6.Nc3 Bb7 7.Bb5 a5 8.ba5 Nf4+=) 6...e6 (6...Nf4 7.Nc3 Bg6 8.0–0+=) 7.0–0 (7.Nc3 Bb7 8.Nb5 a5+=) 7...Nc6 (7...c6 8.Re1 Nf6 9.Nc3+=) 8.d3 (better is 8.Bb5!? a5 9.d3+/–) 8...Bg6 9.Nbd2 (9.Nc3 a5=) 9...a5 10.Ne5 (10.Nd4 Nd4 11.Bd4 Nf4+=) 10...Ne5 11.Bh5 Bh5 (11...Qh4 12.Bg6 Ng6 13.c4+=) 12.Qh5 Ng6 13.Rfe1 (better is 13.ba5 d5 14.Nb3+=) 13...a4 (13...ab4 14.ab4 Bb4 15.c3 Ra1 16.Ra1+=) 14.d4 (14.Qb5 c5+=) 14...Bd6 (14...d5 15.Nf3–/+) 15.c4 (15.Qb5 0–0+=) 15...Nf4 (15...Bf4 16.Rad1 bc4 17.d5 Bd2 18.Rd2+=) 16.Qg4 (16.Qf3 c6 17.Ne4+=) 16...Qf6 (16...Nd3 17.Reb1 0–0 18.c5 Nb2 19.cd6+=) 17.Rab1 (better is 17.Ne4 Qh6 18.Nd6 cd6 19.Bc1+=) 17...Nd3–/+ 18.Re2 Nb2 (18...Qf4 19.Qf4 Nf4 20.Re4–/+) 19.Rb2 0–0 20.Ne4? (better is 20.Rc2–/+) 20...Qf5?? (better is 20...Qd4 21.Red2 Qe5–+) 21.Qf5+/– ef5 22.Ng5?? bc4–/+ 23.Rbc2 h6 24.Nf3+= c6 25.Rc4 f4 26.h3 Rae8 27.Kh2?? Re2–+ 28.Kg1 Ra2 29.Rc3 Re8 30.Nh4 Ree2 31.Nf5 Bc7 32.d5 f3 33.gf3 Rf2 34.Ne7 Kf8 35.Nc8 Bh2 36.Kh1 Ra1 37.Rc1 Rc1 0–1. pieeater – glo1, ChessWorld.net, 2009.

3.a4 ba4

4.Ra4 e6 5.e3 Nf6 6.Nf3 Nc6 7.c3 Be7 8.Ba6 Rb8 9.0–0 Ba6 10.Ra6 0–0 11.d3 Qc8 12.Ra1 Qb7 13.Nbd2 d5 14.d4 Bd6 15.Qa4 Ra8 16.Ba3 Ne7 17.c4 dc4= 18.Nc4 Nf5 19.Nd6 cd6 20.b5 Rfb8 21.Rfb1 a6 22.b6 d5 23.Ne5 Rc8 24.Bc5 Ne4 25.Qd7 Qd7 26.Nd7+– Nc3 27.b7 Nb1 28.bc8Q Rc8 29.Rb1 h6 30.Rb6 a5 31.Ra6 g5 32.Ra5 Nd6 33.g3 Nc4 34.Ra7 Nd2 35.Ne5 h5 36.Rf7 g4 37.Re7 Rb8 (38.Re6 Rb2+–; 37...Ne4 38.h3 gh3 39.Nd3+–). wood – revbodio, Live Game Caissa's Web, 2005.

4.Ra4 Nf6 =.

4.c4 a5 5.Ra4 ab4 6.d4 (6.Rb4 Bc6 7.Nc3 Na6=+) 6...Ra4 7.Qa4 e6 8.Nf3 c5 9.dc5 Na6 (9...Bc5? 10.Qb5 Bf3 11.Qc5+–) 10.Qb5 Nc5 11.Nbd2?? (Better is 11.Bg7 Bc6 12.Bh8 Bb5 13.cb5–/+) 11...f6 (11...Bc6!? 12.Qc5 Bc5 13.Bg7–+) 12.e3 (12.Nd4 Ba6 13.Ne6 Bb5 14.Nd8–+) 12...Bc6 (13.Qb4 Nd3 14.Bd3 Bb4–+) 0–1. Daveygravey – marekt, ChessWorld.net, 2003.

4.c4 e6 5.e3 (5.Ra4 Nc6 6.b5 Nce7+=) 5...Nf6 (5...Bb4? 6.Bg7 Qg5 7.Bh8 Bg2 8.Nf3+–) 6.b5 (6.Ra4 c5 7.b5 a6=) 6...a6=+ 7.Ra4 ab5 8.Ra8 Ba8 9.cb5 c6 10.Nf3 cb5 11.Bb5 Be7 12.0–0 0–0 13.d4 d5 14.Qa4 Bd6?? 15.Qa8+– Qb6 16.Qa4 Ne4 17.Nc3 Nf6 18.Rb1 Rc8 19.Qa3 Ba3–+ (20.Bd3 Bb2–+) 0–1. bby – revbodio8, Live Game Caissa's Web, 2004.

4.e3 Bc6 5.b5+= Bd5 (5...Bb7 6.Nf3+=) 6.c4 (6.Nc3 Bb7+=) 6...Be4 (6...Bb7 7.Ra4 a6 8.Nf3+=) 7.Ra4 (7.Nc3 a3 8.Ba3 Bb7+=) 7...h5 (7...a6!?+=) 8.Nc3–/+ Bb7 9.c5 (9.Qa1 a6–/+) 9...h4 (9...e5 10.Nf3–/+) 10.Nf3 (10.Qa1 h3 11.Ne4 Rh4–/+) 10...h3+= 11.c6 (11.d4 a6–/+) 11...dc6= 12.Rd4 (12.Ne5 c5 13.Rg1 Nd7 14.Nd7 Qd7 15.gh3 c6+=) 12...Nd7 (12...Qc8!?=) 13.Ne5+= cb5?? (Better is 13...Ne5 14.Rd8 Rd8+=) 14.Rd7+– Qb8 15.Qb3 hg2 16.Qf7 1–0. Wall,Bill – Jordam, internet, 2002.

4.e3 Nf6 5.Ra4 e6 6.Nf3=.

4.Nf3 a5 5.Ra4 ab4 6.Rb4 Bc6 =.

4.Nf3 d6 5.Ra4 Bf3 6.ef3 e5 7.d4 ed4 8.Qd4 Nc6 9.Bb5 Nge7 10.Ra6 Qd7 11.Rc6 Nc6 12.Qd5 Qe7 13.Kd2 0–0–0 14.Qc6 Qg5 15.Ke2 Qe7 16.Kd3 Kb8 17.Ba6 1–0. pcmvr – jaortiz (2385), net–chess.com, 2014.

3.a4 a5

4.ab5 ab4

5.Ra8 Ba8 6.c3 e6 7.Qa4 Bd5 (7...Be4!? 8.d3 Bb7+=) 8.cb4+/– Nf6 9.Nc3 Bb7 10.e3 Be7 11.Nf3 0–0 12.Be2 Ne4 (12...Bf3!? 13.Bf3 d5+/–) 13.0–0 Bf6 14.Ne4 Be4 15.Bf6 Qf6 16.Rc1 Rc8 17.Qa7 Qd8 18.Ne5 f6 19.f3 fe5 (19...Bf5 20.e4 fe5 21.ef5 ef5 22.Bc4 Kh8 23.Bd3+–) 20.fe4 d6 (20...Qe7 21.Qb7 (21.Rc7?! Rf8+–) 21...Rf8 22.Qc7 Qb4 23.Rf1+–) 21.b6! c6? (21...cb6 22.Rc8 Decoy) 22.Bg4 Qe8 23.Qa2 Kf7 (23...d5 24.ed5 cd5 25.Rc8 Qc8+–) 24.Rf1 Ke7 (24...Kg6 25.Be6 d5 26.ed5 Qe7 27.Bc8 Qd6+–) 25.Qe6 1–0. pcmvr – grahamtrue (2250), net–chess.com, 2014.

5.Ra8 Ba8 6.e3 =.

5.Ra8 Ba8 6.f3 =.

5.Ra8 Ba8 6.Nf3 =.

5.e3 Ra1!? 6.Ba1 Nf6 =.

5.e3 e5 6.Be5+/– f6 (6...Ra1 7.Ba1 b3 8.c4+/–) 7.Bb2 (7.Ra8 Ba8 8.Bd4 Be4+/–) 7...c5 (7...Ra1 8.Ba1 Be4 9.Bd4+/–) 8.Qh5 (better is 8.Ra8 Ba8 9.Nf3+/–) 8...Ke7? (8...g6 9.Qd1+/–) 9.Nf3 (9.Ra8 Ba8 10.Qc5 Ke8 11.Qh5 g6+–) 9...g6 (better is 9...Ra1 10.Ba1 d5+/–) 10.Qg4?? (better is 10.Qc5 Ke8 11.Qd4+–) 10...f5?? (10...Ra1 11.Ba1 Nh6 12.Bf6 Kf7 13.Qc4 d5 14.Bd8 dc4 15.Bc4 Kg7+–) 11.Qg5 +–. wood – justinv, Live Game Caissa's Web, 2005.

3.a4 a6

4.ab5+= ab5

5.Ra8 Ba8 6.Na3 c6 7.Qa1 Bb7 8.Bg7 f6 9.Bh8 Nh6 10.c3 Kf7 11.e3 Kg8 12.Bf6! ef6 13.Nc2 Bg7 14.Nf3 d5 15.Qa7 Qc8 16.Ncd4 Nf7 17.Ne6! Nd7 (17...Qe6 18.Qb8 Deflection) 18.Nfd4 Nde5 (18...Nd6 19.f4 f5 20.Ng7 Kg7 21.Bd3+–) 19.Nc5 Nd6 20.Nb7 Nb7 21.Qa6 Qd7 22.f4 Nc4 (22...Nd8 23.fe5 fe5 24.Nb3+–) 23.Qc6 Qc6 24.Nc6 Kf7 25.Nd4 Nbd6 26.Bd3 Nb2 (26...f5 27.Nf5 Nc8 28.Ng7 Kg7 29.Ke2+–) 27.Bh7 Bh6 (27...Bf8 28.Ke2 Kg7 29.Bc2+–) 28.Ke2 Kg7 (28...Bf8 29.Ra1 Na4 30.Nb5 Nb5 31.Ra4+–) 29.Bc2 Kf7 30.Ra1 Nbc4 (30...Nc8 31.Bf5 Nd6 32.Ra7 Ke8 33.Bg6 Kd8 34.Rh7+–) 31.Ra7 Kg8 32.g4 Bf8 33.Ne6 Nb6 34.Bh7 Kh8 35.Nf8 Nbc8 (35...Nd7 36.Rd7 Nf7 37.Rf7 f5 38.Ng6) 36.Ng6 1–0. pcmvr – grahamtrue (2165), net–chess.com, 2015.

5.Ra8 Ba8 6.Na3 Nc6 +=.

5.Ra8 Ba8 6.Nc3 Nc6 7.Ba3 (7.e4 Nf6=) 7...e6 (7...e5 8.Qb1=) 8.Qb1 (8.Nb5!? Nb4 9.Bb4 Bb4 10.Qa1+=) 8...Na7= 9.e4 Nf6 10.f3 Bc6 11.Nge2 e5 (11...Nh5 12.Qa2=) 12.d4 d6 (12...Bd6 13.Bc1=) 13.d5 Bd7 14.Bc1 Be7 15.Be3 Qb8 (15...c5 16.dc6 Nc6 17.Nd5+= (< 17.Nb5 d5=+)) 16.Nc1 0–0 17.Nb3 (17.Qa1 c5+=) 17...c6 (17...Rc8!?=) 18.Qa2 (18.Qa1 Nc8 19.dc6 Bc6+/–) 18...Nc8 19.Qa6 (better is 19.dc6!? Bc6 20.Qa6+/–) 19...cd5= 20.ed5 Qc7 (better is 20...Bd8!?=) 21.Kd2+= (21.Nb5? Qc2 22.Qa3 Bb5 23.Bb5 Qg2–+) 21...Qb8 22.Na5 Bd8 23.Nc6 Bc6 24.dc6 (24.Qc6?! Bb6 25.Bb6 Nb6 26.Nb5 Nfd5 27.Qd6 Qc8=) 24...Bb6 25.Bb5 (better is 25.Bg5 d5 26.Bf6+/–) 25...Be3= 26.Ke3 d5 27.Kd2 e4 28.Kc1? ef3 29.g3 d4 30.Na2 Nd5 31.Qb7 Qe5 32.Bd3 Ncb6 33.c7 f2 34.Rf1 Na4 35.Kb1?? Qe1 36.Nc1 Qc3 (37.Bh7 Kh8 38.Nd3 Qa3 39.c3 Qb3 40.Ka1 Ndc3 41.Qd5 Qa3 42.Qa2 Qa2#) 0–1. Roczniak,Jan – Mizielski,M, corr Poland, 1980.

5.Ra8 Ba8 6.e3 Nc6 7.Bb5 g6?? (better is 7...Nb4!? 8.Nf3 Bf3 9.Qf3 Nc2 10.Kd1 Nb4=) 8.Nf3 (8.Bh8 Ne5 9.Nf3 Bf3 10.gf3+– (10.Be5 Bd1 11.Kd1 e6–/+)) 8...Nf6+/– 9.d4 Bg7 10.c4 0–0 11.Nbd2 Na7 12.Ba4 c6 13.Bb3 e6 14.0–0 d5 15.cd5 cd5 16.Qc2 Nb5 17.Rc1 Qb6 18.Ne5 Ne4?? 19.f3 Ned6?? 20.f4?? Be5 21.fe5 Nf5 22.Kf2 Re8 23.Nf3 Bb7 24.Qc5+– Qc5 25.bc5 Bc6 26.Ba4 Ra8 27.Bb5 Bb5 28.Ra1 Ra1 29.Ba1 Bc6 30.Bc3 Kf8 31.Ba5 h6 32.g4 Ne7 33.h3 Ke8 34.Nd2 Kd7 35.Nb3 Bb5 36.Bb6 Nc6 37.Na5 Na5+= 38.Ba5 Bc6 39.h4 Ke7 40.g5 hg5 41.hg5 Kd7 42.Ke2 Kc8 43.Kd2 Kb7 44.Kc3 Ka6 45.Kb4 Bb5 46.Bb6 Bc6 47.Kc3 Kb5 48.Kd3 Kb4 49.Ke2 Kc3 50.Kf3 Kd3 51.Bc7 Kd2 52.Bd6 Kd3 53.Bc7 Bb5 54.Bd6 Bc6 55.Bc7 ½–½. Fournier,Frederic (1655) – BOY1954 (1605), ChessOK.com, 2012.

5.Ra8 Ba8 6.Nf3 =.

5.e3 c6 6.Ra8 Ba8 7.Nf3 Nf6 8.Be2 (8.Bf6 ef6 9.c3 d5+=) 8...e6= 9.c3 Be7 10.0–0 0–0 11.Na3 d6 12.Nc2 Qb6 13.Qa1 Nbd7 14.c4 bc4 15.Bc4 d5 (15...c5 16.bc5 Qc5 17.d3 Bf3 18.gf3–/+) 16.Bb3 (16.Be2 Rb8= (worse is 16...Bb4 17.Nb4 Qb4 18.Ba3+–)) 16...Nc5 (better is 16...c5!?+=) 17.Bd4 Bb7? (17...Nb3 18.Bb6 Na1 19.Ra1+=) 18.Rb1?? (18.Qb1 Ba6 19.Bc5 Bc5 20.bc5 Qc5+–) 18...Ra8?? (better is 18...Nb3 19.Rb3 Qb5=) 19.Ba2 Qa6 20.bc5 Ne4 21.Nb4 Qa7 22.Bg7 f6 23.Bh6 Bc5 24.d3?? Bb4+/– 25.de4?? Qa2–/+ 26.Qa2 Ra2 27.g3 c5 28.Ne1 Ba6 29.ed5–/+ ed5 30.Bf4 Re2 31.Nf3 Bb7 32.Nd4+= Re1 33.Re1 Be1 34.Ne6 c4 35.Kf1 Bb4 36.Ke2 Bc8 37.Nd4 Kf7+= 38.f3 Bd7 39.h4 Bc5 40.Kd2 h5 41.Kc3 Bd4 42.Kd4 Be6 43.Bd6 ½–½. Kenanthonylucas – retiponziani, ChessWorld.net, 2012.

3.a4 c6

4.ab5 cb5 5.Nf3 Nc6 6.e3 a6 7.c3 Nf6 8.Be2 d5 9.0–0 e6 10.d3 Bd6 11.h3 Ne5 (11...0–0!?=) 12.Ne5+= 0–0?? (better is 12...Be5 13.Nd2 Rc8+=) 13.Ng4 Be7 (13...Ng4 14.Bg4 a5 15.ba5 Ra5 16.Ra5 Qa5 17.Nd2+–) 14.Nf6 Bf6 15.Nd2 Qd6 16.Rb1 (16.Nb3 g6+–) 16...Bd8 17.Bf3 Bc7 18.g3 Rab8 19.c4 dc4 20.Bb7 (20.dc4?! Bf3 21.Nf3 bc4+–) 20...Rb7 21.dc4 Rd8 22.Ne4 (better is 22.Qg4 Qf8 23.Rbd1 bc4 24.Bc3+–) 22...Qb4 (22...Qd1 23.Rfd1 bc4+–) 23.Qg4 Qf8 (23...g6 24.Qh4 h5+–) 24.Nf6 Kh8 25.Nh5 (better is 25.Qe4 gf6 26.Bf6 Qg7 27.Bg7 Kg7 28.Qb7+–) 25...e5 26.cb5 Rb5 27.f4 (27.e4!? f6 28.Ba3 Qf7+–) 27...f6 (27...f5 28.Qg5 h6 29.Qg6+–) 28.fe5 Be5 29.Be5 Re5 30.Rb7 Rg5 (30...Re7 31.Rfb1+–) 31.Qf3 (better is 31.Qg5! fg5 32.Rf8 Rf8 33.Rg7 h6+–) 31...Rdd5 (31...Qd6+–) 32.Ng7! Rg7?? (better is 32...Qd6 33.Nh5! Rh5 34.Qf6 Qf6 35.Rf6 Rd8+/–) 33.Rg7 Qg7 34.Qd5 Qg3 35.Qg2 Qe3 36.Qf2 Qg5 37.Kh2 Kg7 (37...Qe5 38.Qg3 a5+–) 38.Rg1 1–0. pushtiu (2245) – grahamtrue (2165), net–chess.com, 2015.

4.Nc3 a6 5.Nf3 f6 6.Ne4 d5 (6...e5!? 7.Nc5 Bc5 8.bc5 Nh6=) 7.Nc5+/– e6? (better is 7...Qc8+/–) 8.Nb7+– Qc7 (8...Qb6 9.Nc5! Bc5 10.bc5 Qc5 11.e3+–) 9.Nc5 a5 (9...Bc5 10.bc5 Nd7+–) 10.Ne6 Qf7 11.Nfd4 Bb4 12.ab5 Ne7 13.Nc7 Kd7 14.Na8 Na6 15.Nb6 Kc7 16.ba6 h6 17.Na4 g5 18.e3 Ra8 19.h4 g4 20.Qg4 Kb8 21.Qd7 Ra7 22.Qd8 Nc8 23.Nc6 Ka8 24.Nb6# (24.Qc8#) 1–0. michaelbuss – Eryx, ChessWorld.net, 2007.

4.Nf3 d6 5.e3 a5 6.ab5 ab4 7.bc6 (7.Ra8 Ba8 8.c3 Qa5+/–) 7...Ra1? (7...Nc6 8.Ra8 Qa8 9.Bb5+=) 8.Ba1 (better is 8.cb7!? Ra5 9.c3+/–) 8...Nc6+= 9.Be2 e5 10.0–0 Nf6 11.d3 Qa8 12.Nbd2 Be7 13.Bb2 0–0 14.Nc4 Qa7 15.Qa1 Qa1 16.Ba1 Ba6 17.Ncd2 Ra8 18.Ng5 h6 19.Nge4 Bc8 20.Nf6 Bf6 21.Ne4 Be7 22.Bf3 Ra2 23.Nd6 Bd6 24.Bc6 Rc2 25.Bd5 (25.Be4 b3 26.d4 ed4 27.Bd4 Ba3–/+) 25...Ba6 26.Be4 (26.Rd1 Bd3 27.Bb3 Re2+=) 26...b3 (26...Rd2!? 27.Rc1 Bd3 28.Bd3 Rd3 29.Kf1–+) 27.Rb1–/+ b2?? (better is 27...Ba3 28.d4 Re2–/+) 28.Bb2+/– Rd2 29.Bc3 Ra2 30.Bd5 (better is 30.Rb6 Bc7 31.Rc6+/–) 30...Rc2= 31.Be1 Bd3 32.Ra1 Rc8 33.e4 Bc5 34.Rd1 Be2 35.Rb1 Bd4 36.g3 Bf3 37.Bd2 g5 38.h4 g4 39.Bh6 Ba7 (39...Rc2 40.Rb8 Kh7 41.Be3=) 40.Bg5 (better is 40.Rb7 Rb8 41.Bf7 (41.Ra7 Rb1 42.Bc1 Rc1 43.Kh2 Rh1) 41...Kh7 42.Rb8 (42.Ra7 Rb1 43.Bc1 Rc1 44.Kh2 Rh1) 42...Bb8 43.Bg5+–) 40...Kg7? (40...Rc7 41.h5+=) 41.Rc1?? (better is 41.Rb7 Rb8 42.Rf7 (42.Ra7?? Rb1 43.Bc1 Rc1 44.Kh2 Rh1) 42...Kg6 43.Rc7+– (43.Ra7?? Rb1 44.Bc1 Rc1 45.Kh2 Rh1)) 41...Rb8+= 42.Be3 Be3 43.fe3 Rb2 44.Rc7 Re2 45.Rf7 Kg6 46.Rf5 Re3 Attacks the isolani on e4 (46...Rd2!?+=) 47.Re5+/– Kf6 (47...Bd1!?+/–) 48.Rf5+– Kg6 49.Rg5 Kh6 50.Kf2 Re2 51.Kf1 Rg2 ½–½. cristero (2460) – smoothoperator (2255), net–chess.com, 2015.

3.Nc3 a5

4.a3 ab4 5.ab4 Na6 6.Nb5 c6 7.Nd4 Nb4= 8.e3 Nf6 9.Ngf3 g6 10.Bc4 Bg7 11.c3 Nbd5 12.0–0 0–0 13.Ne5 c5 14.Nc2 d6 15.Nf3 e5 16.d4 Nb6 17.Be2 Ne4 18.de5 Na4–/+ 19.Qb1 Be5 20.Ra3 Bc3 21.Bc3 Nec3 22.Qb7 Ne2 23.Kh1 Qb8 24.Rb1 (24.Qd7 Ra7 25.Qg4 Nac3–/+) 0–1. Gerold,Guenther – Heymach,W, corr DDR, 1985(?).

4.ba5 Ra5 5.a3 =.

3.Nc3 a6

4.a3 e5 5.d4 (5.e4 Nf6=) 5...e4 6.e3 (6.Qd2 d5+=) 6...Nf6 7.d5 Bd6 8.Qd2 (8.f4 ef3 9.gf3 Be5+=) 8...Qe7 (8...Be5 9.0–0–0+=) 9.Nd1 Be5 (9...Nd5 10.Bg7 Rg8 11.Bb2+=) 10.c4= 0–0 11.Nh3 (11.Be5 Qe5 12.Nc3 bc4+=) 11...Qd6 12.c5 Qe7 13.Nc3 (13.a4 ba4 14.Bc4 Bb2 15.Nb2 Qe5+=) 13...Nd5!–/+ 14.Nd5 (14.Qd5 Bc3) 14...Bd5 15.Nf4 Bb3 16.Be5 (16.Rb1 Bf4 17.Qc3 Bh6 18.Qb3 Nc6+=) 16...Qe5 17.Rc1 f5 (17...Be6 18.Qd4 Qf5 19.g4 Qg4 20.Qe4–/+) 18.Be2+= g5 19.Nh3 h6 (19...Qe7 20.Qc3 Bf7 21.0–0+=) 20.0–0 (20.Rc3 Be6–/+) 20...Qd5 (20...Nc6 21.Rc3 Be6 22.f4 ef3 23.Bf3–/+) 21.Rcd1 (21.Qb2 Nc6+=) 21...Qd2–/+ 22.Rd2 Be6 23.f4 (23.f3 ef3 24.Bf3 Ra7–/+) 23...g4 24.Nf2 Nc6 25.h3 h5 (25...gh3 26.gh3 Rf7 27.Kh2–/+) 26.g3 (26.hg4 hg4 27.Nd1 Rad8–/+) 26...Kg7 (26...Ne7 27.Rfd1–/+) 27.Kg2 (27.Rfd1 Kf6–/+) 27...Kf6 28.Nd1 Rh8 29.Nc3 gh3 30.Kh3 Rag8 31.Rfd1 Rh7 32.Kh4 Rg4 33.Kh3 Rg6 34.Kh4 Ne7 35.Rd4 Rg4 36.Kh3 Rg8 37.Rg1 h4 38.g4 Kf7 39.g5 Kg6 40.Rd2 c6 41.Rh1 Ra8–/+ 42.Bf1 a5–+ 43.Bg2 ab4 44.ab4 Ra3 45.Rc1 Nd5 46.Nd5 Bd5 47.Re1 Rh8 48.Rd4 Kf7 49.Bh1 Ke6 50.Rdd1 d6 51.cd6 Kd6 52.g6 Ke6 53.Ra1 Ra4 54.Rg1 Kf6 55.g7 Rg8 56.Rgb1 Rg7 57.Kh4 Rga7 58.Ra4 ba4 59.b5 Rb7 60.Rd1 Rh7 61.Kg3 cb5 62.Rd5 Rh1 63.Rb5 a3 64.Rb6 Ke7 65.Rb7 Kd6 66.Ra7 Ra1 67.Ra5 a2 68.Kg2 Kc6 69.Ra6 Kb7 70.Ra5 Kb6 71.Ra4 Kb5 72.Ra7 Kb4 73.Ra8 Kc3 74.Ra7 Kd3 75.Ra3 Ke2 76.Ra5 Ke3 77.Ra8 Kf4 78.Ra4 Kg4 79.Ra8 e3 80.Ra4 f4 81.Ra8 f3 82.Kh2 f2 83.Rg8 Kf3 84.Rg3 0–1. Verbnik – Paige, corr, 1996.

4.a3 e6 =.

4.a3 Nf6 5.d3 =.

4.a4 ba4 5.Na4 d6 0–1. piolopakyawan – croach (2395), net–chess.com, 2011.

4.e3 e5 5.a3 =.

4.e3 e5 5.Qg4 Nf6 6.Qh4 Be7 7.Qg3 0–0 8.Qe5 Bb4 (8...Nc6 9.Qf5 Nb4 10.Rc1+=) 9.0–0–0 (9.Nb5!? ab5 10.Qb5+=) 9...Re8–/+ 10.Qf4 Bc3 11.Bc3 c5 (better is 11...Nd5 12.Qd4 Nc3 13.Qc3 Bd5–/+) 12.Bf6+= Qf6 13.Qf6 gf6 14.f3 c4 15.e4 d5 16.ed5 Bd5 17.a3 f5 18.c3 Nc6 19.Ne2 Ne5 20.Nd4 f4 21.Be2 (21.d3 Rad8=) 21...Nd3 22.Bd3 cd3 23.Rde1 Bc4 24.Re4 Re4 25.fe4 Re8 26.Re1 f6 27.Nf5 (27.Nf3 Bf7=) 27...Re6 (27...Bd5!–/+) 28.Nd4= Re5 29.g3 fg3 30.hg3 h5 31.Kb2 Kg7 32.Nc6 Rg5 33.Re3 White prepares e5 33...Rg4 34.e5 fe5 (better is 34...h4!? 35.gh4 Rg2 36.ef6 Kf6=) 35.Ne5+/– Rg5 36.Nc4?? (better is 36.Nd3 Rf5 37.Kc2+/–) 36...bc4–/+ 37.Re4 Rg3 38.Rc4 Rg2 39.Kc1 Rg1 ½–½. Mr.Oldenslo (1910) – Brummie_Red (1880), ChessWorld.net, 2014.

4.e3 e6 5.a4 (5.a3 Nf6=) 5...Nf6 6.ab5 Bb4 7.Nf3 0–0 8.Ra4 Bc3 (8...Qe7 9.Be2=) 9.Bc3 ab5 (Better is 9...Ne4=) 10.Rh4?? (Better is 10.Ra8 Ba8 11.Bb5=) 10...Ne4–+ 11.g3 Nc3 12.dc3 Qf6 13.Bd3 g6 (14.e4 Qc3 15.Ke2 f5–+; 13...h6 14.e4 Qc3 15.Ke2–+) 0–1. Lus – Rosenhahn, corr 3GMM–51, 1995.

4.e4 d6 5.d4 Nf6 6.Bd3 e5 7.Nf3 ed4 8.Nd4 c5 9.bc5 dc5 10.Nf5 c4 11.Be2 Qd1=+ 12.Rd1 b4 13.Nd5+= Nd5 14.ed5 c3 15.Ba1 g6 16.Ne3 Bc5 17.0–0 0–0 18.Bf3 Nd7 19.Nc4 a5 20.Rfe1 a4 21.a3 Ba6 22.ab4 Bb4 23.Rb1 Bc5 24.Na5 Bd3 25.cd3+= c2? 26.Rb7+– Ra5 27.Rd7 Rb5 (28.d6 Rb1–+) 0–1. Wordtmann,Gerhard – Cane,Luisito, CiF, 1991.

4.e4 e5 5.a3 d6 (5...Nf6!?=) 6.Nf3 Qf6 (6...Nf6 7.Bd3+=) 7.Be2 (7.a4 ba4 8.Bd3 Ne7+–) 7...Ne7 (7...Qg6 8.0–0 Nf6 9.Bd3+/–) 8.0–0 c6 (8...Nbc6 9.a4 ba4 10.Ra4+–) 9.d4 (9.a4 g6+–) 9...ed4 (9...Ng6 10.Bc1 Nf4 11.Bf4 ef4 12.e5+/–) 10.Nd4 (10.Qd4?! Qd4 11.Nd4 Nd7+/–) 10...Qg6?? (better is 10...Nd7+–) 11.Bh5 Qf6 (11...Qh6 12.Bc1 g5+–) 12.Nde2 (better is 12.Ncb5 ab5 13.Nf5 Nf5 14.Bf6+–) 12...g6?? (better is 12...Ng6+–) 13.Bf3 (better is 13.Nb5 Qb2 14.Nd6 Kd7 15.Nc4 Ke8 16.Nb2 gh5+–) 13...Bg7 (13...Qg5 14.Nb5! ab5 15.Bh8 Ng8+–) 14.Na4!! Qg5 (14...ba4 15.Bf6) 15.Bg7 Rg8 16.Nb6 Rg7 17.Na8 Ba8 (17...Nd7 18.Qd6 Qe5 19.Qe5 Ne5 20.Nb6+–) 18.Qd6 Nd7 19.Rad1 Nd5 (19...Rg8 20.Qd7 Kf8 21.g3+–) 20.ed5 cd5 21.Qa6 Qd8 22.Qb5 (better is 22.Bd5 Bd5 23.Rd5 f6+–) 22...f5 23.Bd5 Bd5 24.Rd5 Kf8 25.Nf4 Re7 26.c4 Qc8 27.h3 Kf7 28.Rfd1 Nf6 29.Rd8 Qc7 30.g3 Qa7 31.c5 Qa3 32.Qc4 Kg7 33.Ne6 Kh6 34.Qh4 Nh5 35.Qg5 1–0. mic (2195) – grahamtrue (2230), net–chess.com, 2009.

4.e4 e5 5.Nf3 Nc6 6.a4 Nf6 7.ab5 ab5 8.Nb5 Bb4 9.Ra8 Ba8 =.

4.e4 e5 5.Nh3 h6 (5...Bb4!? 6.Nd5 Bd5 7.ed5 Nf6+=) 6.a4 ba4 7.Ra4 Nc6 8.Nd5 Nf6 9.Bc3 (better is 9.Bc4!?+=) 9...Ne4–/+ 10.Qb1 Nd4 11.Bd4 ed4 12.Bd3?? (better is 12.Qb3–/+) 12...Bd5–+ 13.Be4 Be4 14.0–0 Bc6 15.Ra5 Qf6 16.Re1 Be7 (better is 16...Kd8–+) 17.d3?? (better is 17.Rae5–/+) 17...0–0–+ 18.f3 Rab8 (18...Rfb8 19.Ra2–+) 19.Nf2 (19.Ra6 Bb4 20.Re2 Bc3–+) 19...Bb4 20.Qa1 (20.Ra6 Be1 21.Qe1 Qg5–+) 20...Ba5 (better is 20...Bc3 21.Ne4 Be4 22.Ra6–+) 21.Qa5 Rb6 22.Qc5 d6 23.Qc4 d5 24.Qc5 Rfb8 25.Ng4 Qf4 26.Qc3 0–1. 488 – Daz101, ChessWorld.net, 2012.

4.e4 e6 5.a3 c5 6.bc5 Bc5 7.d4 Bb6 8.Nf3 Nf6 9.Bd3 Ba5=+ 10.0–0 Bc3 11.Bc3 Ne4 12.Bb2 Qc8 13.d5 Bd5 14.Bg7 Rg8–/+ 15.Be4 Rg7?? 16.Bd5+/– ed5 17.Qd5 Nc6 18.Rfe1 Kf8 19.Re2 Ne7 20.Qd6+– Qd8? 21.Rae1 f5 22.Re7! Re7 23.Qf6 Rf7 24.Qh8# 1–0. Zuzu – michas, internet, 2005.

4.e4 Nf6!? =.

4.Nf3 e6 5.e3 Bb4 (5...Nf6 6.a3 c5 7.bc5 Bc5=) 6.a3 (better is 6.Nb5!? Nf6 7.Bf6 gf6 8.Nbd4+=) 6...Be7 7.Nb5 Nf6 (7...ab5!? 8.Bg7 Bf6 9.Bh8 Bh8+=) 8.Nbd4= 0–0 9.Ne5 (9.Rb1 Nc6=) 9...d6+= 10.Nef3 c5 11.Nb3 a5 (11...Nbd7 12.Rb1+=) 12.Bd3 (12.Rb1 e5=) 12...d5 (12...e5 13.Bf5+=) 13.Bb5 (13.Be2 a4 14.Nc1 Nc6+=) 13...a4–/+ 14.Nc1 (14.Bf6 Bf6 (14...gf6?! 15.Nc1=) 15.Nc5 Ba1 16.Nb7 Qb6 17.Qa1 Qb5–+ (17...Qb7?! 18.c4–/+)) 14...Bc6 (better is 14...Qb6!? 15.Rb1 Qb5 16.Bf6 Qb1 17.Be7 Rc8–+) 15.Bc6+= Nc6 16.0–0 Bd6 17.Nd3 Re8 18.h3 e5–/+ 19.Nde1 d4 20.ed4 ed4 21.Nd3 Qc7 22.Kh1 Ne5 23.Nfe5 Be5 24.Ne5 Re5 25.c3+= Rb8 26.Rb1 Re6 27.cd4 cd4?? 28.Bd4+/– Rb1 29.Qb1 Ng4 30.hg4?? Rh6 31.Kg1 Qh2 0–1. PolitePredator – retiponziani, ChessWorld.net, 2011.

4.Nf3 Nf6 =.

3.Nc3 d5

4.Nb5 a6 5.Nd4 e6 6.f4 Nf6 7.Ngf3 Bb4= 8.e3 0–0 9.Bd3 (9...c5 10.a3=). C_D_B7 (1605) – oasis, chessHere.com, 2006.

4.Nb5 Nf6 5.d3 (5.Be5 Na6 6.c3 Nd7+/–) 5...e6 6.e3 e5 (better is 6...Bb4!? 7.c3 Be7+=) 7.Be5+/– Qe7?? (better is 7...Bb4 8.c3 Ba5+/–) 8.Nc7+– Kd8 9.Na8 (better is 9.Bg3 Qb4 10.Ke2 Nh5 11.Na8 Ng3 12.hg3 Qg4 13.Nf3 Ba8+–) 9...Ba8?? (better is 9...Qe5 10.Rb1 Qc3 11.Qd2 Qd2 12.Kd2 Ba8+/–) 10.Bb8 (10.Nf3!? Nc6 11.Bc3 Nb4+–) 10...Qb4 11.Qd2 Qb8 12.c3 Ba3 13.e4 (13.Ne2 Bc6+–) 13...de4 14.de4 Nd7 15.Bc4 Ke7 16.Qg5 Ke8 17.Qg7 Ke7 18.Rd1 Qf8 19.Qg5 f6 20.Qf5 Qd8 21.Qe6 Kf8 22.Qf7# 1–0. WirralBoy – gordiemac, ChessWorld.net, 2012.

3.c4 c5

4.a3 a6

5.d3 d6

6.Nd2 Nd7

7.Nb3 Nb6

8.Rc1 Rc8

9.cb5 ab5 10.Na5 Bd5 11.e4 Be6 12.Nf3 White prepares e5 12...Bd7 13.e5 d5?? (better is 13...Na4 14.Ba1 f6 15.ed6 ed6=) 14.Nb7+– (14.bc5?! Na4 15.Qd2 Nb2=) 14...Qc7 15.Nc5 Qa7 16.Nd7 Rc1 17.Qc1 Qd7 18.Be2 g6?? (better is 18...e6+–) 19.e6! Qe6 (19...Qe6 20.Nd4 Double attack (20.Bh8 Discovered attack; 20.Nd4 Decoy); 19...fe6 20.Bh8 Discovered attack) 20.Bh8 f6 (20...Qd7 21.Qf4 Qc8 22.0–0+–) 21.Nd4 (21.Nd4 Qd7 22.Qc5+–) 1–0. vknyus – stealthlock, gameknot.com, 2011.

9.cb5 ab5 10.bc5 Na4 11.Ba1 (11.Bd4!? e5 12.Ba1=) 11...dc5–/+ 12.Nh3 (12.Nf3 Nf6–/+) 12...e6 13.Qd2 Nf6 14.Bf6 (better is 14.Na5!? Ba8 15.Rb1–/+) 14...Qf6–+ 15.e3 Be7 16.d4 c4 17.Qa5? (17.Na5 Ba8 18.Qd1–+) 17...Bc6 (17...0–0 18.Nd2 Bc6 19.Nf3–+) 18.Bc4 0–0 (better is 18...bc4 19.Rc4 Ra8–+) 19.Bb5 Bg2 20.Rg1 (20.Rc8 Rc8 21.Rg1 Qf5 (worse is 21...Bh3 22.Ba4 Qf3 23.Nc5–/+) 22.Qa4 Bh3–+ (worse is 22...Qh3 23.Bf1 Bf1 24.Rf1–/+)) 20...Ra8 (20...Bh3?! 21.Rc8 Rc8 22.Ba4–/+) 21.Qd2? (better is 21.Ba6 Bh3 22.Qa4–+) 21...Bh3 22.Ba4 (22.Bc6 Ra7 (worse is 22...Ba3 23.Ba8 Ra8 24.Ra1–+) 23.Rg3 Bf5–+) 22...Ra4 23.Nc5 Bc5 24.dc5 (24.Rc5 Ra3 25.Qb2 Ra7–+) 24...Ra3 25.c6 (25.Rd1 Ra1 26.c6 Rd1 27.Qd1 Ra8–+) 25...Ra7 (better is 25...Rd8 26.c7 Rd2 27.c8Q Rd8–+) 26.c7 Rc8 27.Rd1 (27.Qd7 Raa8 28.Rg3–+) 27...Rac7 28.Rg3 Bf5 (better is 28...Rc2 29.Rh3 Rd2 30.Rd2–+) 29.Rf3 (29.Qd4 e5 30.Qd6 Qd6 31.Rd6 Rc1 32.Rd1 Rd1 33.Kd1–+) 29...e5 (better is 29...g6 30.e4 Qe5–+) 30.Rf5–/+ Qf5?? (better is 30...Qe7 31.Qd5 Rc5–/+) 31.Qd8!! Rd8 (31...Rd8 32.Rd8#) 32.Rd8 1–0. lanre1 – stealthlock, gameknot.com, 2011.

9.bc5 Na4 10.Qd2 bc4 =.

9.Nd2 e6 10.g3?? (better is 10.Ngf3=) 10...Bh1–+ 11.f3 Nf6 (11...Ne7 12.Nh3 Nf5 13.Nf2–+) 12.Bf6 Qf6 (12...gf6 13.Nh3 bc4 14.dc4–+) 13.Kf2 (13.bc5 dc5 14.Nh3 Bd6–+) 13...bc4 (13...cb4 14.ab4 d5 15.c5–+) 14.Nc4 Nc4 15.Rc4 d5 16.Rf4 (16.Qa4 Kd8 17.Rc2 Bd6–+) 16...Qb2 (better is 16...Qc3 17.Qa4 Ke7 18.Nh3 cb4 19.Rb4–+) 17.Nh3 (17.Qa4 Ke7 18.Qa6–+) 17...Bd6 18.Rh4 (18.Qa4 Ke7 19.Qa6 Bf4 20.Nf4 g5–+) 18...cb4 19.ab4 (19.Qa4 Ke7 20.ab4–+) 19...Bb4 (better is 19...0–0 20.d4 Be7 21.Kg1–+) 20.Kg1?? (20.Qa4 Ke7 21.Rb4+=) 20...Bf3 (20...0–0 21.Rb4 Qb4 22.Kh1–+) 21.ef3?? (21.Qa4!? Kd8 22.Rb4+=) 21...Rc2 (better is 21...0–0 22.Rg4–+) 22.Nf4?? (better is 22.Rb4 Qb4 23.Qc2–+) 22...g5–+ 23.Rh6 (23.Nd5 gh4 24.Nb4 Qd4 25.Kh1–+) 23...gf4 24.g4 Bc5 25.Kh1 Qd4 26.Be2 Re2! 27.Qe2 Qg1 0–1. rookie47 – stealthlock, gameknot.com, 2011.

9.e3 Na4 10.Ba1 =.

9.e3 cb4 10.ab4+= bc4 11.dc4 Nc4?? (better is 11...Na4 12.Bd4 Bc6+/–) 12.Bd4?? (better is 12.Bc4 e6 13.Bf1 Rc1 14.Bc1+–) 12...Nb6 (12...d5 13.Nc5 Qb6 14.Bc4 dc4 15.Nf3 Bf3 A) worse is 16.gf3 Qb4 17.Kf1 Qb5+= (17...Rc5? 18.Rb1 Qb1 19.Qb1+–); B) 16.Qf3 Qb4 17.Ke2+=) 13.Nf3 (13.Na5 Rc1 14.Qc1 Ba8 15.Bb6 Qb6 16.Qc8 Qd8 17.Qa6 f5+–) 13...Rc1 14.Nc1 (14.Qc1 e5 15.Bc3=) 14...Nd5 (14...e5 15.Bb2–/+) 15.Qa4 White prepares b5. Attacks the isolani on a6 (better is 15.Ba6!? Bc6 16.b5+=) 15...Qd7+= 16.b5 (16.Qd7 Kd7 17.b5 ab5 18.Bb5 Kc7+=) 16...e5 17.Be5 (better is 17.Bb2 Nc7 18.Na2–/+) 17...Nb6?? (better is 17...de5 18.Ne5 Bb4 19.Qb4 Nb4 20.Nd7 Kd7 21.ba6 Na6–+) 18.Qb4?? (better is 18.Qa5 de5 19.ba6 Bf3 20.gf3=) 18...de5–+ 19.Qb3 (19.Qb2 a5 20.Qe5 Be7–+) 19...Bd5 (better is 19...Qc7 20.Na2 Bd5 21.Qb2 Ba2 22.Qa2 Bb4 23.Ke2–+) 20.Ne5 (20.Qb2 a5 21.Qe5 Qe6 22.Nd3 Qe5 23.Nde5 Bb4 24.Kd1–+) 20...Bb3 21.Nd7 Bb4 22.Ke2 Bc4 23.Nd3 (23.Kf3 Kd7 24.Bc4 Nc4 25.Rd1 Bd6 26.ba6 Nf6–+) 23...Bd3 (better is 23...Nd7 24.Kd1 Bd6 25.ba6 Ba6 26.Nf4–+) 24.Kd3 Nd7 (24...Kd7 25.ba6 Nf6 26.Be2–+) 25.ba6 Ngf6 26.Kc4 (26.g3 Ke7 27.Bg2 Bc5–+) 26...Bd6 27.Be2 Ke7 28.Ra1 (28.Bf3 Rc8 29.Kb5 Rc5 30.Ka4 Nb6 31.Kb3 Ra5–+) 28...Ne5 (better is 28...Rc8 29.Kb3 Nc5 30.Ka2 Nd5–+) 29.Kb5 (29.Kb3 Rb8 30.Kc2 Rc8 31.Kd1 Nd5–+) 29...Nfd7 (better is 29...Rb8 30.Ka4 Rb4 31.Ka3 Nd5–+) 30.a7 Ra8 31.f4 Bb8! 32.ab8Q (32.ab8Q Ra1 Pinning (32...Ra1 Deflection); 32.ab8R Ra1 Pinning (32...Ra1 Deflection); 32.ab8B Ra1 Pinning (32...Ra1 Deflection); 32.ab8N Ra1 Pinning (32...Ra1 Deflection)) 32...Rb8 33.Ka4 Ra8 (33...Ra8 34.Kb4 Ra1 35.fe5 Ne5–+) 0–1. stealthlock – lanre1, gameknot.com, 2011.

9.e3 e5 10.Nf3 Nf6 11.g3 (11.Be2 cb4 12.ab4 e4 13.de4 Nc4 14.Bc4 Rc4 15.Rc4 bc4=) 11...Be7 12.Bg2 (12.Bh3 Na4 13.Ba1 Rc7=) 12...e4 (better is 12...cb4!? 13.ab4 bc4–/+) 13.Ng5+/– d5 14.cd5 (better is 14.Na5 Ba8 15.cb5 cb4 16.Nc6 Bc6 17.bc6=) 14...Bd5? (14...cb4 15.Ne4 ba3 16.Bf6 Bf6 17.Rc8 Bc8 18.Qc1=) 15.bc5?? (better is 15.de4 Bc6 16.Nc5+/–) 15...Bb3?? (15...ed3 16.Bf6 gf6 17.Bd5 A) worse is 17...Nd5 18.Nf3+/–; B) 17...fg5? 18.Bb7+– (18.cb6?! Rc1 19.Qc1 Qd5 20.Qc8 Bd8+=); C) 17...Qd5=) 16.Qb3+– Qd5 17.Qd5 Nbd5 18.Ne4 0–0 19.d4 Rfe8 (19...Ne4 20.Be4 Rfd8 21.Bd3+–) 20.Nf6 Nf6 21.Bb7 Rb8 22.Ba6 Nd5 23.a4! ba4 24.Rc2?? (better is 24.Ba3+–) 24...Nb4+= 25.Kd2 Na6 26.Ra1 Red8 27.Ra4 (27.c6 Rdc8 28.Ra4 Nb4=) 27...Nc5 28.Rac4 (28.Ra7 Ne4 29.Kd3 Re8–/+) 28...Ne4 29.Kd3 f5 30.Rc7 (30.f3 Ng5 31.Ke2 Bf6–/+) 30...Kf8 31.f3 Rb3 32.Kc4 Rb4 33.Kd3 Ng5 34.Ke2 Rb3 35.Ra7 Rdb8 36.Bc1 R8b7 37.Raa2 Ne6 38.Ra1 Kf7 39.Ra6 Bg5 40.f4 Be7 41.h4 h6 (41...Nc7 42.Raa2–+) 42.h5 Nc7 43.Rac6 (43.Ra5 Nb5–+) 43...Nd5 44.Kf3 (44.Rc8 Ba3 45.Bd2 Re7–+) 44...Rd3 (44...Nb4!? 45.g4 Nc6 46.Rc6–+) 45.Re2 Rb1 46.Bd2 (46.Rc8 Rd1 47.Bd2 Nf6–+) 46...Rd1 (46...Rbb3 47.Kf2–+) 47.Rc2 Bf6 (47...Rh1 48.Rb2–+) 48.Kf2 Rh1 (better is 48...Bd8–+) 49.Ba5? (better is 49.Kg2 Rh5 50.Rc5–+) 49...Rh5 (49...Rh2 50.Kf3 Re3 51.Re3 Rc2 52.Rd3–+) 50.Rc5 Rh2 (better is 50...Ke6!? 51.Bd2–+) 51.Kf3 Re2 52.Ke2 Re3 53.Kd2 Rg3 54.Rd5 Kg6 (better is 54...Ke6 55.Rb5 Bd4–+) 55.Rd6–/+ Rf3 (better is 55...h5 56.Bd8 h4 57.Bf6 gf6–/+) 56.Rc6? (better is 56.Bc7!?+=) 56...Rf4–+ 57.Kd3?? (better is 57.Bc3–+) 57...Rd4 58.Ke2 Ra4 59.Ra6 (59.Bc7–+) 59...Kh5 60.Kd3 (60.Ra7 Bd8! 61.Bb6 Re4 62.Kf3 Bb6 63.Rg7 Be3–+) 60...g5 0–1. stealthlock – leetpro, gameknot.com, 2011.

9.e3 e6 10.Nf3 Nf6 11.bc5 dc5 12.Na5 Ba8 +=.

9.e3 e6 10.Nf3 Nf6 11.Be2 g6 (11...Na4 12.Bf6 Qf6 13.Na5+=) 12.Rc2 (12.Na5 Ba8+=) 12...Bg7 13.Qa1 (13.bc5!? Na4 14.cb5 Nb2 15.Rb2 dc5 16.ba6 Ba6 17.d4 Be2 18.Qe2 (worse is 18.Ke2 Nd5 19.Rc2 cd4 20.Nbd4 Nc3 21.Rc3 Rc3–/+) 18...cd4 19.Qb5 Nd7 20.Nfd4+=) 13...0–0 14.0–0 (better is 14.bc5 Na4 15.d4+=) 14...e5?? (better is 14...bc4!? 15.dc4 Na4–/+) 15.Rd1 (15.bc5 Na4 16.cd6 e4+=) 15...Re8 Black plans e4 (15...Na4 16.bc5 Nb2 17.Qb2 (17.Rb2 e4 18.Ne1 ed3 19.Bd3 Ng4–/+) 17...dc5 18.cb5+= (worse is 18.Ne5 Nd7 19.d4 cd4 20.ed4 Ne5 21.de5 Qg5+=)) 16.h3 (16.bc5 Na4+=) 16...e4 (better is 16...bc4 17.dc4 Ne4=) 17.Nh2?? (17.de4 A) worse is 17...Nc4 18.Bc4 bc4 19.Nc5 Be4 20.Ne4 (20.Rc4?! Bf3 21.gf3 Qe7+=) 20...Re4 21.Nd2+–; B) worse is 17...Be4 18.Rcd2 Bf3 19.gf3+=; C) 17...cb4 18.e5 Nfd7=) 17...bc4?? (better is 17...cb4 18.Na5 Bd5 19.ab4 ed3 20.Bd3 A) 20...Nc4 21.Bc4 bc4 22.Ng4 Ng4 23.Bg7 Bg2 24.Kg2 (24.hg4 Be4 25.Rc4 Qh4–+) 24...Ne3 25.fe3 Qg5 26.Kh2 Re3 27.Qf6–/+ (27.Rc4?? Re2 28.Kh1 Qg2); B) 20...bc4–/+) 18.dc4+= Na4 19.Nc5 dc5?? (better is 19...Nc5 20.bc5 Rc5+=) 20.Rd8+– Rcd8 21.Bf6 Bf6 22.Qf6 Re6 (22...h5+–) 23.Qd8 (23.Qd8 Kg7 24.Qa5+–) 1–0. ibeckstrm – stealthlock, gameknot.com, 2011.

9.e3 e6 10.Nf3 Nf6 11.g3 Rc7 (11...Na4 12.Ba1=) 12.Bg2 Be7 13.Qc2 (13.Na5 Ba8=) 13...h6 (better is 13...bc4!? 14.Na5 cd3 15.Qd3 Bd5+=) 14.0–0+= 0–0 15.Na5 (15.bc5!? dc5 16.Na5+/–) 15...Ba8= 16.Rfe1 Re8 17.d4 (better is 17.Nd2=) 17...cb4–/+ 18.ab4 Nbd5 (better is 18...bc4 19.Nd2 Bg2 20.Kg2 Qd7–+) 19.Qb3= Nb6 20.c5 dc5 (20...Bd5!? 21.Qc2 Qa8=) 21.dc5+/– (worse is 21.bc5 Bd5 22.Qc2 Be4=) 21...Nc8? (better is 21...Bd5 22.Qa3 Na4+=) 22.Be5 (22.Rcd1 Rd7+–) 22...Rd7 23.Ng5?? White intends c6 (23.c6 Rd5+–) 23...Na7?? (better is 23...Bg2 24.Ne6 Bd5 (24...fe6?! 25.Kg2 Rd2 26.e4+=) 25.Nd8 Bb3–+) 24.c6 (better is 24.Ne6 fe6 25.Ba8 (25.Qe6?! Kh7 26.Ba8 Bc5 27.Bf6 Re6 28.Bd8 Rd8 29.Rc5 Ra8+–) 25...Qa8 26.Qe6 Kh7 27.Bf6+–) 24...Rd3+/– 25.c7?? (better is 25.Qb1 hg5 26.Nb7 Bb7 27.cb7+/–) 25...Qd7–+ 26.Qc2 (26.Rc3 Rc3 27.Qc3 hg5 28.Bf6 Bf6–+) 26...Bg2 27.Kg2 (27.Bf6 A) 27...gf6 28.Red1 hg5 29.Rd3+= (29.Qd3? Qd3 30.Rd3 Bf3–+); B) 27...Bf6 28.Kg2 hg5–+) 27...hg5 28.Bd4? (28.Bf6 gf6 29.Red1 Rd1 30.Rd1 Bd6–+) 28...Qd5 (28...Rd4 29.ed4 Nd5 30.Nb7–+) 29.f3?! (29.Kf1 Rd4 30.ed4–+) 29...Rd4 30.ed4 Bb4 31.Re5 (31.Nc6 Nc6 32.Qc6 Qc6 33.Rc6 Be1 34.c8R Rc8 35.Rc8 Kh7 36.Kf1–+) 31...Qd4 32.Nc6 Nc6 33.Qc6 Qe5 34.c8Q (34.Qe8 Ne8 35.c8Q Qe2 36.Kg1 Kf8–+) 34...Rc8 35.Qc8 Kh7 36.Rc2 (36.Qc2 g6 37.Qd3–+) 36...Nd5 37.Ra2 (37.h3–+) 37...Qe1 38.Qd7 Ne3 39.Kh3 Qf1 40.Rg2 Qg2 0–1. stealthlock – ibeckstrm, gameknot.com, 2011.

9.e3 e6 10.Nf3 h6 11.g3 (11.Na5 Bf3 12.Qf3 Na4=) 11...Be7? (better is 11...Nf6!?=) 12.Bg7+/– Rh7 13.Bb2 Bf6 14.Qc2?? (14.Bf6 Qf6 15.Be2 cb4 16.ab4 Na4+–) 14...Bg7 (better is 14...Bf3 15.Rg1 Bb2 16.Qb2 Nf6–+) 15.Bg2 Nf6? (15...cb4!? 16.ab4 Bb2 17.Qb2 bc4+/–) 16.0–0 Ng4 (16...cb4 17.ab4 bc4 18.Na5 cd3 19.Qd3+–) 17.d4 (better is 17.Bg7 Rg7 18.bc5 Bf3 19.Bf3 (19.cb6?! Bg2 20.Kg2 Qb6+–) 19...dc5 20.cb5 ab5 21.Qb2+–) 17...Nc4?? (better is 17...f5 18.bc5 Nc4 19.cd6 Qd6+–) 18.Qh7 Bf8 19.Ba1 Qf6 (19...Nf6 20.Qd3 cb4 21.ab4+–) 20.Nfd2 (better is 20.dc5 Qf5 21.Qf5 ef5+–) 20...Bg2 21.Kg2 (better is 21.dc5 Qg6 22.Qg6 fg6 23.Kg2+–) 21...Bg7 (21...cb4 22.Qe4 Nh2+–) 22.Nc4 bc4 23.dc5 e5 (23...Qf5 24.Qf5 (24.Bg7 Qh7 25.Na5 Qg7 26.Nc4 d5 27.Nd6 Kd7–+; worse is 24.Qg7 cb3 25.Rcd1 Qe4 26.Kg1 d5+–) 24...ef5 25.Bg7 cb3 26.cd6 Rc1 27.Rc1+–) 24.Rc4 (better is 24.cd6 Kf8 25.Qe4+–) 24...d5 (24...Qe6 25.Rcc1 Bf8 26.cd6 Rc1 27.Rc1 Bd6+–) 25.Rg4 Bf8 26.Rf4! Qe6 (26...ef4 27.Bf6 Pinning (27.Bf6 Deflection)) 27.Be5! Qe5 28.Qf7 Kd8 29.Qf8 Kc7 30.Rf7 Kb8 31.Qh6 Qe4 32.Kg1 d4 33.Qb6 1–0. stealthlock – juhakurimo, gameknot.com, 2011.

9.e3 Nf6 10.Nf3 Na4 11.Ba1 e6 12.cb5 (12.Na5!? Bf3 13.gf3 cb4 14.ab4–/+) 12...ab5+= 13.d4 (13.Be2!?+=) 13...c4–/+ 14.Na5 Ba8?? (better is 14...Bf3 15.Qf3 d5–/+) 15.Nc4! bc4 (15...bc4 16.Qa4 Deflection (16.Qa4 Overloading); 15...Rc4 16.Bc4 Combination) 16.Qa4 Bc6 17.b5 Bd7 (better is 17...Bd5 18.Nd2 Ra8+/–) 18.Bc4?? (better is 18.Rc4 Rb8 19.Rc2+/–) 18...d5–/+ 19.Ne5 (19.0–0 dc4 (19...Rc4?! 20.Rc4 dc4 21.Ne5+=) 20.Ne5 Ra8 21.Qc4 Ba3–/+) 19...dc4 (19...Ra8!? 20.Qc2 dc4 21.Rb1–+) 20.Nc4 Be7 21.0–0 0–0 (21...Rb8!? 22.Rb1 0–0–/+) 22.Qb3+= Ne4 23.Rfd1 Nd6 24.Ne5? (24.Nd6!? Bd6 25.Rc8 Bc8 26.d5+=) 24...Rc1 (24...Bb5 25.a4 Be2 26.Re1–+) 25.Rc1–/+ Bb5 26.Rc5 (26.a4!? Be8 27.Bc3–/+) 26...Qa5–+ 27.Bc3 Ba4?? (27...Qa6!? 28.f3–+) 28.Ra5 (better is 28.Nc6 Bh4 29.Na5 (worse is 29.Ba5 Bb3 30.g3 Bf6–/+) 29...Bb3 30.Nb3=) 28...Bb3–/+ 29.Ra7 Re8 (29...Bf6 30.Rc7–+) 30.Bb4–/+ Rc8 31.h4 Bf8 32.Bd6? (better is 32.Rd7!? f6 33.Bd6 Bd6 34.Rd6 fe5 35.de5+=) 32...Bd6–+ 33.Nf7?? (better is 33.Ra6 Bc7 34.a4–+) 33...Bf8 (33...Rc1) 34.Kh2 h6 (34...Rc2 35.Kg3–/+) 35.Ne5 Bd5 (35...Rc2 36.Kg3 Ra2 37.Ra8 Ra3 38.Rb8–/+) 36.Nd7 Ra8 (36...Bd6!? 37.Ne5 Ra8–/+) 37.Ra8= Ba8 38.Nf8 Kf8 39.g4 Kf7 40.Kg3 Kf6 41.f4 White prepares the advance g5 41...g6 42.Kf2 Bc6 43.Ke2 (43.Kg3 h5–/+) 43...h5 44.g5? (better is 44.gh5 gh5 45.Kd3–/+) 44...Kf5–+ 45.Kd3 Kg4 46.Kc4 (46.e4–+) 46...Kh4 47.Kc5 (47.f5 ef5 48.Kc5 Ba8–+) 47...Bd5 48.a4 (48.f5 Kg5 49.e4 h4–+) 48...Kg4 49.e4 Be4 (49...Be4 50.Kd6 Kf5–+) 0–1. stealthlock – ladyofknight, gameknot.com, 2011.

9.e3 Nf6 10.Bf6 ef6 11.Nf3 Be7 12.g3 (12.Be2 0–0=) 12...bc4+= 13.dc4 0–0 14.Bg2 (14.Be2 d5+=) 14...Be4 (14...cb4!? 15.Na5 Bf3 16.Bf3 ba3+=) 15.0–0+= cb4 16.ab4 Nc4 17.Nbd2 Nd2 18.Qd2 Rc1 19.Rc1 Qa8 20.Ne1 d5 21.Be4 de4 22.g4? (better is 22.Rc7!? Bd8 23.Rd7+=) 22...Rc8 23.Ra1 Qc6 24.Qd4 (24.Qe2 Qb5 25.Kf1 Bb4 26.Ra6–+) 24...Rd8 25.Qa7 (25.Qb2 Qc8 26.h3 f5–+) 25...Bb4 26.Kg2 a5 27.Ra2 (27.h3–+) 27...Be1 28.Ra5 (28.Qe7 Rc8 29.Ra1 Bb4–+) 28...Ba5 29.Qa5 Qd6 30.h3 (30.h4 g6 31.Qe1 Kg7–+) 30...Qd1 31.h4 (31.Qf5 Qd5 32.Qd5 Rd5 33.f3–+) 31...Qf3 32.Kh2 Qf2 33.Kh3 Qe3 34.Kg2 Qe2 35.Kg3 Rd3 36.Kf4 Qf3# 0–1. stealthlock – kevinkjt2000, gameknot.com, 2011.

9.e3 Nf6 10.Bf6 gf6 11.Nf3 (11.bc5 dc5 12.cb5 Nd7 13.ba6 Ba6+=) 11...Bg7 (11...Na4=) 12.g3 (better is 12.bc5!? dc5 13.cb5 ab5 14.Nc5+/–) 12...cb4 (12...f5 13.bc5 Na4 14.Be2 dc5 15.0–0+=) 13.ab4+= f5 14.Bg2 bc4 15.Na5 Bd5 (15...Qd7 16.dc4 Be4 17.0–0+=) 16.dc4= Bc4 17.Nd4 Bd5 18.Nac6 Bc6? (18...Qd7 19.Bd5 Nd5 20.0–0=) 19.Nc6 (better is 19.Bc6!? Kf8 20.Nf5+/–) 19...Qc7 20.0–0 e6 21.Re1 (21.Qe2 d5=) 21...Qd7 (21...d5 22.Bf1 Qb7 23.Na5 Rc1 24.Qc1=) 22.Re2 d5 23.Rec2 0–0 24.Bf1 Rc7? (better is 24...Ra8=) 25.Ne7! Qe7 26.Rc7 Qf6? (better is 26...Qb4!? 27.Rb7 Qa5+/–) 27.Ba6 Na4?? (27...Qb2 28.Rb7 Na4+–) 28.Qa4 Qb2 (28...d4 29.ed4 Qd4 30.Rd7+–) 29.f4 White intends b5 (better is 29.b5!? Bh6+–) 29...Qd2 30.b5 (better is 30.Qb3 d4 31.ed4 Bd4 32.Kh1+–) 30...Qe3= 31.Kg2 Qe2 32.Kg1 d4?? (better is 32...Qe3 33.Kf1 Qf3 34.Ke1 Qe3 35.Kd1 Qd3 36.Ke1 Qe3 37.Kf1 Qf3 38.Kg1 Qe3=) 33.b6 (33.Qc2 Qe3 34.Qf2 Qd3+–) 33...d3 34.b7 (better is 34.Qc6 Bd4 35.Kh1 Bb6 36.Bd3+– (worse is 36.Qb6 Qf3 37.Kg1 d2+–)) 34...Qe3= 35.Kg2 Bd4?? (better is 35...Qe2! 36.Kh3 Qg4 37.Kg2 Qe2 38.Kh1 Qf3 39.Kg1 Qe3 40.Kg2 Qe2=) 36.Kh3+– d2 37.Rb1 h5 (37...Ba7+–) 38.Rb3 (better is 38.Rc8 Ba7 39.Qb4+–) 38...d1Q–+ 39.Re3 Qa4 40.Rd3 (40.Rc8 Ba7 41.Bc4–+) 40...Bf6 (better is 40...Qa6 41.Rd4 Qf1 42.Kh4 Qf2–+) 41.Rc8 (41.Rd6 Qa3 42.Rb6 Qe3+/–) 41...Qa6 42.Rf8 Kf8?? (better is 42...Kg7 43.Rg8 Kh7–+) 43.b8Q+/– Kg7 44.Qb3 Kg6 45.Rd7?? (better is 45.Qd1+/–) 45...Qf1 0–1. stealthlock – rookie47, gameknot.com, 2011.

9.Nf3 Na4!? 10.Ba1 Nf6 =.

9.Nf3 e5 10.bc5+/– bc4? (better is 10...Na4!? 11.Qd2 Nf6+=) 11.cb6 cb3 12.Qb3 Rc1 13.Bc1 Ne7 14.Ng5 (14.e4!? Qd7+–) 14...Nd5+/– 15.e4 h6? (better is 15...Be7 16.ed5 Bg5 17.Bg5 Qg5+/–) 16.Nf7+– Kf7 17.ed5 Qa8 18.f3 (better is 18.d4 Qe8 19.Be2 ed4 20.Qf3 Kg8 21.Bb2+–) 18...Bd5 19.Qa4 Be7 20.Be3 Bh4?? (better is 20...Qb7 21.Be2 Bg5+/–) 21.Qh4+– Qc6 22.Be2 Qc3 (22...Qb5 23.0–0 Qb2 24.Qf2+–) 23.Bd2 (better is 23.Kf2 Qb3 24.Rc1 Rf8+–) 23...Qa1 24.Bd1 Qa3 25.0–0 (25.Qa4!? Qa4 26.Ba4 Rb8+–) 25...Qd3 26.Qf2 Bc4 (26...Rc8+–) 27.f4 (27.Re1 Bd5+–) 27...e4?? (27...Qf1!? 28.Qf1 Bf1 29.Kf1 Rb8+/–) 28.Bg4 (better is 28.Re1 Rb8 29.f5+–) 28...h5 29.Bf5 (29.Bd7 Qf1 30.Qf1 Bf1 31.Kf1 Ke7+–) 29...g6? (29...Qf1 30.Qf1 Bf1 31.Kf1 Rb8+–) 30.Bd7+– Rd8? (30...Qf1 31.Qf1 Bf1 32.Kf1+–) 31.b7 Ke7?? (31...Rb8 32.Bc6 Bb5+–) 32.Bc8 Qb3 33.Qa7 Bf1 34.b8Q Qb7 35.Qbb7 Ke8 36.Qe7 1–0. stealthlock – vknyus, gameknot.com, 2011.

9.Nf3 e6 10.e4 Nf6 11.bc5 dc5 12.Be2 bc4 13.Na5 cd3 14.Nb7 de2? (better is 14...Qc7 15.Qd3 c4=) 15.Qd8+– Rd8 16.Nd8 Kd8 17.Ne5 Kc8? (better is 17...Ke8 18.Nc4 Nc4 19.Rc4 Kd7+–) 18.Nf7 Rg8 19.Ng5 h6 (19...Kd7 20.Ke2 h6 21.Rhd1 Ke7 22.Bf6 gf6 23.Nh7+–) 20.Ne6 Ne4 21.f3 Nf6 (21...Nd6 22.Nf8 Rf8 23.Rc5 Kd7 24.Bg7+–) 22.Bf6 gf6 23.Nf8 Rf8 24.Rc5 Kb7 25.Ke2 Re8 26.Kf2 1–0. kevinkjt2000 (1635) – stealthlock, gameknot.com, 2011.

9.Nf3 Bf3 10.ef3 Na4!? 11.Ba1 e6 +=.

9.Nf3 Bf3 10.ef3 e5 11.Be2 g6 12.f4 (12.bc5 Na4 13.Ba1 Bh6+/–) 12...Bh6 13.g3 ef4?? (better is 13...Nf6 14.fe5 Bc1 15.Qc1 de5 16.Nc5 0–0+=) 14.Bh8+– fg3 15.hg3 Bc1 16.Qc1 (worse is 16.Nc1 Nf6 17.Qd2 Qe7+–) 16...h5 17.Qe3 (better is 17.0–0 f6 18.bc5 dc5 19.Re1+–) 17...Kd7 (17...Qe7+–) 18.bc5 dc5 (18...Na4 19.cd6 bc4 20.dc4+–) 19.Nc5 Kc6 (19...Rc5 20.Qc5 Ke8+–) 20.Bf3 1–0. leetpro – stealthlock, gameknot.com, 2011.

9.Nf3 Bf3 10.ef3 e6 11.d4 cd4?? (11...Nc4 12.Bc4 bc4 13.Na5+=) 12.Bd4?? (better is 12.cb5 Rc1 13.Qc1 ab5 14.Bb5 Nd7 15.Nd4+–) 12...Nc4+= 13.Bc4 bc4 14.Na5 d5 15.Qa4 (15.Nb7 Qd7 16.Nc5 Qc6–/+) 15...Qd7 16.Qd7 Kd7 17.Nb7 Be7?? (better is 17...Nh6–+) 18.Bg7+= Bf6 19.Bh8 Bh8 20.Nc5 Kd6 21.Na6 Bb2 22.Rb1 Ba3 23.b5 Ne7? (better is 23...c3 24.b6 c2+–) 24.b6 Nc6 25.b7 Rg8 26.Rb6 Bc5 (26...Kd7 27.Rc6 Kc6 28.b8Q Rb8 29.Nb8 Kc7 30.Na6 Kb6 31.Kd2+–) 27.b8Q Rb8 28.Rb8 (better is 28.Rc6!? Kc6 29.Nb8 Kd6+–) 28...Nb8 29.Nb8 Ba7 1–0. ladyofknight – stealthlock, gameknot.com, 2011.

9.Nf3 Bf3 10.ef3 e6 11.Be2 Nf6 12.0–0 g6 (12...Be7 13.Bf6 Bf6 14.bc5 dc5 15.cb5 ab5 16.Rc5 Rc5 17.Nc5=) 13.d4 (better is 13.Qd2+/–) 13...cd4?? (better is 13...Nc4 14.Bc4 bc4=) 14.cb5+– Rc1 15.Qc1 (15.Nc1?! e5+–) 15...Bg7 (15...ab5 16.Bb5 Nbd7 17.Nd4+–) 16.Qc6 (16.Bd4?! ab5 17.Qc6 Nbd7 18.Qd6 Qe7 19.Qe7 Ke7 20.Bb5 Rg8+–; 16.Nd4?! ab5 17.Bb5 Nbd7+–) 16...Nfd7 17.Bd4 (better is 17.ba6 0–0 18.Bd4 Bd4 19.Nd4 d5+–) 17...Bd4 18.Nd4 Qe7? (18...e5 19.Nb3 ab5+–) 19.ba6 0–0 20.Nb5 Rc8 (20...d5 21.a7+–) 21.Qb7 (21.Qd6 Qd6 22.Nd6 Rc2+–) 21...Rc2 22.Bd3 Rd2 23.Bb1 Qf8 24.a7 Na8 (24...d5+–) 25.Nc7 (better is 25.Qd7 d5+–) 25...Ndb6 26.Qb8 (26.Na8 Na8 27.Rc1 Kg7+–) 26...d5 (26...Nc7 27.Qc7 Na8 28.Qc3+–) 27.Rc1 Kg7 28.Ne8 (better is 28.g3 d4+–) 28...Kg8 29.Nf6 Kg7 30.Nh7! Qe7 (30...Kh7 31.Qf8 Deflection (31.Qf8 Overloading)) 31.Kf1?? (better is 31.a4 Kh7 32.a5+–) 31...Kh7+= 32.Ke1 (32.Kg1+=) 32...Rd4?? (32...Rb2 33.Kf1 Rb3 34.h4 Ra3 35.h5=) 33.Rc6?? (33.f4 Qf6 34.Qe5 Qf4 35.Qf4 Rf4 36.Ke2+=) 33...Rc4?? (33...Qg5 34.g3 Nc4 35.Rc4 Rc4 36.Bg6 Qg6–+) 34.Bg6?? (34.Rc4 dc4 35.Be4+–) 34...Kg6 (34...fg6?! 35.Rc4 (35.Rb6?? Nb6 36.Ke2 Qf6–+) 35...dc4 36.h4–+) 35.Rb6?? (better is 35.g3–/+) 35...Nb6–+ 36.Qb6 (36.g4 Rc1 37.Ke2–+) 36...Rc1 (36...Qf6 37.Qe3 Qa1 38.Ke2 Rc2 39.Qd2 Rd2 40.Kd2 Qa3 41.Ke1–+) 37.Ke2?? (37.Kd2 Rc8 38.Qb8 Qg5 39.f4–+) 37...Qf6–+ 38.a8Q (38.f4 Qb2 39.Kf3 Rc3 40.Qe3 Re3 41.fe3 Qa3 42.b5–+) 38...Qb2 39.Ke3 Re1 (39...Qe5 40.Kd2 Qc3 41.Ke2 Re1) 40.Kf4= Qe5 41.Kg4 Qf5 ½–½. juhakurimo – stealthlock, gameknot.com, 2011.

3.d3 Nc6

4.a3 e6 5.e3 a5 6.c3 Qf6 7.d4 e5 8.d5 Nce7 9.e4 (9.Bb5 e4=) 9...Qf4 10.Nd2 c6 11.Nh3 Qf6 12.c4 bc4 13.Bc4 (Better is 13.Nc4!? Qg6 14.f3 cd5 15.Ne5+=) 13...cd5=+ 14.ed5 ab4 15.Ne4 Qg6 16.Qf3? Bd5 17.Bd5–/+ Ra5?? 18.Nd6! Kd8 19.Nb7 Kc8 20.Na5 Qc2 21.Rc1 1–0. audrey – sperm1, Live Game Caissa's Web, 2004.

4.Bc3 e5 5.Nf3 Qe7 6.e4 Nf6 7.d4?? (better is 7.a4 a6 8.ab5 ab5 9.Ra8 Ba8 10.Nbd2=) 7...d6?? (better is 7...ed4 8.Bd4 Ne4–+) 8.d5+/– Nd8 9.Bb5 c6 10.dc6 Bc6 11.Bc6 Nc6 12.0–0 a6 13.Ng5 h6 14.Nf3 Qe6 15.Re1 Qc4 16.Nfd2 Qe6 17.a4 Be7 18.a5 (18.b5!? ab5 19.ab5 Ra1 20.Ba1+–) 18...0–0 19.Nf3 Rfb8 20.Ra4 Rd8 21.Qd3 Ng4 22.b5 ab5 23.Ra1 (better is 23.Qb5!? d5 24.ed5 Rd5 25.Qc4+/–) 23...b4+= 24.Bd2 d5 25.ed5 Rd5 (25...Qd5?! 26.Qd5 Rd5 27.a6+=) 26.Qc4 Rda5 27.Ra5 Qc4 (27...Na5?! 28.Qe6 fe6 29.h3= (29.Ne5? Ne5 30.Re5 Nc4–+); 27...Ra5?! 28.Qe6 fe6 29.c3–/+) 28.Ra8 Kh7 29.Nh4?? Bh4–+ 30.c3 Bf2 31.Kh1 Be1 32.Kg1 Bf2 (32...Bf2 33.Kh1 Qf1#) 0–1. war_child – gordiemac, ChessWorld.net, 2012.

3.d3 Nf6

4.e4 e6 5.a3 Be7 (5...a5 6.e5 Nd5 7.c4=) 6.Ne2 (6.e5!? Nd5 7.c4 bc4 8.dc4=) 6...0–0+= 7.Nd2 a6 8.c4 c5 (8...d5 9.e5 Nfd7 10.Rc1+=) 9.Qb3 (9.bc5!? Bc5 10.e5=) 9...cb4–/+ 10.ab4 bc4 11.Nc4 d5 12.Na5 Bc8 (12...Qb6 13.Ra4–/+) 13.Ng3 (13.e5 Ng4 14.Bd4 f6+=) 13...de4 (13...d4!?+=) 14.de4= Qb6 15.Bf6 (15.Bc3 Nc6=) 15...Bf6 (15...Bb4 16.Bc3 Ba5 17.Qb6 Bb6 18.Rb1–/+) 16.Rc1+= Be7 17.Rc4 (17.Rb1 Nc6 18.Nc6 Qc6+=) 17...Bd7 18.Kd1 0–1. opportunity (2320) – pushtiu (2330), net–chess.com, 2010.

4.Nf3 e6 5.e4 Bb4 6.Nbd2 c5 7.Be2 0–0 8.0–0 Nc6 9.a3 Ba5 10.Ne5 Ne5 11.Be5 Bc7 12.Bc7 Qc7 13.Nf3 e5 14.a4 a6 15.ab5 ab5 16.Qd2 d6 17.Qc3 Ra1 18.Ra1 Ra8 19.Ra8 Ba8 20.Qa1 Bc6 21.Nd2 g6 22.Qb2 Qa5 23.c3 d5 24.ed5 Bd5 25.c4 bc4 26.Nc4 Qe1 27.Bf1 Bc4 28.dc4 Kg7 ½–½. lovecraft (2100) – ramoschessbrasil (2480), net–chess.com, 2011.

4.Bf6 ef6+= 5.e4 (5.c3!?+=) 5...Bb4–/+ 6.Nd2 (6.c3 Be7–/+) 6...0–0 (6...f5 7.Ne2 fe4 8.de4–+) 7.Ngf3 (7.Rb1 Nc6–/+) 7...a6 8.Be2 Bc3 9.Rb1 d5 10.0–0 Nd7 11.ed5 Bd5 12.Ne4 Be4 13.de4 Ne5 (13...Nc5 14.Bd3–+) 14.Qd8 Rfd8 15.Rfd1 c5 16.Rd5 c4 (16...Rd5 17.ed5 Rd8 18.Rd1–/+) 17.Ne5 fe5 18.Rbd1 (18.a4 ba4 19.Bc4 Rdc8–/+) 18...Rd5–/+ 19.Rd5 Kf8 20.a3 Ke7 21.h4 Rd8 22.Rd8 Kd8 23.Bh5 (23.a4 Ke7–/+) 23...f6 (23...g6 24.Be2–+) 24.Bf7–/+ Kc7 25.h5 Kd6 26.Be8 (26.Bg8 a5–+) 26...Kc5–+ 27.Kf1 (27.h6!? gh6 28.Kh2–+) 27...a5 28.Ke2 b4 29.a4 b3 30.cb3 cb3 31.Kd1 Kb4 32.Kc1 h6 33.Kb1 Bd4 34.f3 Kc3 35.g3 Kd3 36.Kc1 Ke3 37.f4 Ke4 38.Kd2 b2 39.Kc2?? ef4–+ 40.g4 Ke3 41.Bg6 f3 42.Bd3 f2 43.g5 fg5 44.Bf1–+ g4 45.Bg2 g3 46.Kb1 Ke2 47.Bh3 f1Q 48.Bf1 Kf1 49.Kc2 g2 (49...g2 50.Kd3 b1Q 51.Kc4 Qa2 52.Kd4 g1Q 53.Ke5 Qc5 54.Ke4 Qa4 55.Kd3 Qad4#) 0–1. dweigel (2440) – alaamattar (2235), net–chess.com, 2012.

3.e3 a5

4.a3 Nf6 5.Nf3 (5.Bb5?? Bg2 6.Be2 Bh1–+) 5...a4 (5...c6!?=) 6.c4 (6.Bb5 c6 7.Be2 e6+–) 6...g6 (6...bc4!? 7.Bc4 Nd5+/–) 7.cb5 Bg7 (7...Bd5 8.Bf6 ef6 9.Bd3+–) 8.Nc3+– c6 (8...0–0 9.Na4 Bd5 10.Bf6 Bf6 11.Nc3+–) 9.Na4 cb5 (9...d6 10.Bc4+–) 10.Bb5 Ba6 11.Ba6 Ra6 12.Nc5 Ra7 13.Qb3 (13.Ne4 Nh5 14.Bg7 Ng7+–) 13...e6 14.Ne4! d5 (14...Ne4 15.Bg7 Pinning (15.Bg7 Deflection)) 15.Nf6 Bf6 16.Rc1 (16.Bf6 Qf6 17.Qc3 Qc3 18.dc3 Rc7+–) 16...Bb2 17.Qb2 f6 18.0–0 0–0 19.Rc3 Rc7 20.Rfc1 Rff7 21.Rc7 Rc7 22.Nd4 Rc1 23.Qc1 Kf7 24.Nc6 Nc6 25.Qc6 Qe7 26.d4 f5 27.Qc5 Qb7 28.a4 Kf6 29.a5 Qa6 30.g3 h5 31.h4 g5 32.hg5 Kg5 33.Qe7 Kg4 34.Qh4 Kf3+– 35.Qh5 Ke4 36.Qd1 Qc4 37.Qb1 Kf3 38.Qb2 Qd3 39.Qc1 Qe2 40.Qf1 Qd2 41.Qg2 Ke2 42.f4 Ke1 43.Qd2 (43.Qd2 Kd2 44.Kf2+–; 43.Qf1) 1–0. Fournier,Frederic – Vinsot,Serge, Ch Club, 1996.

4.ba5 Ra5 5.Nf3 Be4 6.Nc3+/– Bf3 7.Qf3 b4 8.Nd1 (8.Nb5 e6+/–) 8...c6? (8...Nf6 9.Bd3=) 9.Bc4 (9.e4!?+/–) 9...d5+= 10.Be2 e6 11.c3 b3 (better is 11...Nf6=) 12.a3?? (12.ab3!? Ra1 13.Ba1+/–) 12...Ra4 (12...Nf6 13.c4+=) 13.0–0 (13.c4=) 13...f5?? (better is 13...Nf6!? 14.c4 Ne4 15.cd5 Nd2–/+) 14.d3 (14.c4 Nd7 15.cd5 cd5+/–) 14...h5 (14...Rg4 15.c4 Nf6 16.cd5 cd5 17.e4 fe4 18.Qh3+/–) 15.c4+/– Nf6 16.Nc3 Ra5 17.Bd1 Qb6 18.cd5 cd5 19.d4 (19.a4 Nbd7+=) 19...g5 (19...Bd6 20.Qe2+=) 20.Rc1 (better is 20.a4 Nc6 21.Qe2+=) 20...Ba3?? (20...h4 21.Rb1 Bd6 22.Qe2=) 21.Rb1?? (better is 21.Ba3 Ra3 22.Nb1+–) 21...Qb4 (21...Bd6 22.Bc1=) 22.Ba3 (22.Qe2!? Ke7 23.Ba1=) 22...Ra3+= 23.Qg3? (better is 23.Na2 Qb6 24.Qe2+=) 23...0–0?? (better is 23...Nbd7 24.Qc7 Kf7–+) 24.Qg5+/– Kf7 25.Bh5 Nh5 26.Qh5 Ke7 27.Rfc1 (better is 27.Qg5 Kd6 28.Qg3 Ke7 29.Ne2+–) 27...b2= 28.Rc2 (better is 28.Nd5!? ed5 29.Qh7 Kd8 30.Qc7 Ke8 31.Qe5 Kd8 32.Qc7 (worse is 32.Qd5 Nd7 33.Rd1 Qc3–/+) 32...Ke8 33.Qe5 Kd8 34.Qc7= (worse is 34.Qd5 Nd7 35.Rd1 Qc3–/+)) 28...Rc3–/+ 29.Rbb2?? (better is 29.Qd1–/+) 29...Qa3 (better is 29...Rc2 30.Qg5 Kd6–+) 30.Rb7?? (30.Qg5 Kd6 31.Qf4 Ke7 32.Qg5 Kd6 33.Qf4 Ke7 34.Qg5=) 30...Nd7?? (better is 30...Kd6 31.Rb6 Nc6–+) 31.Qh7= Kf6?? (31...Rf7 32.Rd7 Kd7 33.Qf7 Kd8 34.Qf6 Kd7 35.Qg7 Ke8 36.Qg6 Kd7 37.Qf7 Kd8 38.Qg8 Kd7 39.Qf7=) 32.Qh6?? (32.h4 Rf7 33.Qg8+–) 32...Kf7?? (32...Ke7 33.Qh7 Kf6 34.h4+–) 33.Qh7 (33.Rd7 Qe7 34.Qh7 Kf6 35.Re7 f4 36.Rg7 Rf7 37.Rf7 Kg5 38.h4 Kg4 39.Rf4) 33...Kf6+/– 34.Qh6 (better is 34.h4!? Rd8 35.Rc3 Qc3 36.Rd7 Qe1 37.Kh2 Rd7 38.Qd7 Qf2 39.Qd8 Kf7 40.Qg5+–) 34...Ke7 35.Qg7 Rf7 36.Rd7 Kd7 37.Qf7 Kc6?? (better is 37...Kd8 38.Qf6 Kd7 39.Qg7 Ke8 40.Qg6 Kd7 41.Qf7 Kd8 42.Qg8 Kd7 43.Qf7=) 38.Rc3+– (38.Qe6?! Kb7 39.Qd5 Kb6 40.Qe6 Kb7=) 38...Qc3 39.Qe6 Kb5 (39...Kc7 40.g3 Qd3 41.Qd5+–) 40.Qd5 Kb4 (40...Ka4 41.g3 Qc2+–) 41.Qc5! Qc5 42.dc5 Kc5 43.h4 (43.g3 Kc4 44.h3 Kd3+–) 43...Kd6 44.g3 Ke6 45.Kg2 Kf6 46.Kf3 Ke5 47.g4 fg4 48.Kg4 (48.Kg4 Ke6 49.f4+–) 1–0. billmota (2345) – jdmoulton (2125), net–chess.com, 2014.

4.Bb5?? ab4 5.Nf3 +=.

4.Nf3 a4? 5.Bb5+/– Bc6 (5...e6 6.0–0+–) 6.Bc6 (6.Be2 e6+/–) 6...Nc6 7.b5 Nb8 (7...Rb8 8.Nc3+/– (< 8.bc6 Rb2 9.c3 Qa8+/–)) 8.0–0 c6 (8...e6 9.Ne5 Nf6 10.d3+–) 9.c4 (9.Ne5 d6 10.Nc6 Nc6 11.bc6 Qc8+–) 9...cb5 (9...d5 10.d3+–) 10.cb5 Qb6 (10...d5 11.Na3+–) 11.Qc2 (11.Na3 e6+–) 11...Qb7 (11...f6 12.Qe4 Ra5 13.Na3+–) 12.Rc1 Kd8 (12...f6 13.Qc8 Qc8 14.Rc8 Kf7 15.Nc3+–) 13.Ne5 (13.Ng5 Nh6+–) 13...Nh6 14.Bd4 (14.b6 Nc6 15.Nc6 dc6 16.Qc6 Qc6 17.Rc6 e6+–) 14...e6 15.Qc8!! Qc8 16.Bb6 Ke7 17.Rc8 (17...Kf6 18.Rb8 Rb8 19.Nd7 Kf5 20.Nb8+–) 1–0. pcmvr (1780) – rasputin, internet, 2005.

4.Nf3 ab4 5.Bb5 c6 =.

4.ba5 e6

5.Na3 Ra5 6.Qc1 =+.

5.a4 =.

5.Bb5? Bg2 6.Qg4 Ra5 7.Qg2 Rb5 8.Bg7 Bg7 9.Qg7 +=.

5.Bb5? Bg2 6.Qg4 Ra5 7.Bg7?? Bg7 8.Qg7 Qf6 9.Bd7 Nd7 10.Qg2 Qa1 –+.

5.Bb5? Bg2 6.Qg4 Bh1 –+.

4.Bb5?? Bg2

5.Qg4 Bh1 –+.

5.Bg7 Bg7 –+.

5.Bg7 Bh1 6.Bh8 ab4 7.Qg4 +=.

5.Bg7 Bh1?! 6.Bh8 e6 7.a4 =.

5.Bg7 Bh1 6.Bh8 e6 7.ba5 +/–.

3.e3 a6

4.a4 Nc6 5.ab5 ab5 6.Ra8 Qa8 7.Bb5 Nb4 =.

4.a4 e6 5.ab5 ab5 6.Nf3 (6.Ra8 Ba8 7.Na3 A) < 7...Bb4 8.Bg7 (8.Nb5?! Nf6+=) 8...Bg2 9.Qg4 (9.Bh8?! Bh1 10.Nb5 Nc6+=; 9.Bg2?! Qg5 10.Bh8 Qg2+–) 9...Bd2 10.Kd2 Bh1 11.Bh8+–; B) 7...Na6+=) 6...Ra1 (6...Bb4?? 7.Ra8 Nf6 8.Bf6 gf6 9.Ra2+–) 7.Ba1 Nf6 (7...Bb4?? 8.Bg7 (8.Bb5?! Nf6=) 8...Nf6 9.Bh8+–) 8.Bb5 Bb4 9.0–0 0–0 10.c3 Bd6 11.d4 (11.d3 Ng4 12.e4 f5=) 11...Be4 (11...Ng4 12.g3=+) 12.Bd3 (12.Nbd2 Bf5=) 12...c5 (12...Be7 13.c4=) 13.Be4 Ne4 14.Qc2 f5 15.Nbd2 Nf6 (15...Nd2 16.Qd2 c4 17.Bb2=) 16.Nc4 (16.c4 Nc6=) 16...Be7 17.Nfd2 (17.Rb1 Qc7=) 17...d5=+ 18.Ne5 c4 19.Ndf3 (19.Bb2 Qc7=+) 19...Nbd7 (19...Bd6 20.Bb2=+) 20.Nc6 Qe8 21.Rb1 Ne4 22.Rb7 (22.Ne7 Qe7 23.Qa4 Ndf6=+) 22...Nd6 (22...Bd6 23.Qa2=+) 23.Ra7= Nb5 (23...Nc8 24.Ne7 Qe7 25.Rb7=) 24.Ra5 Nd6 25.Qa4 (25.Bb2 Ne4=) 25...Nb6 26.Ne7 Qe7 27.Qa3 Rb8 28.h3 Ndc8 (28...Nbc8 29.Ne5=+) 29.Qe7= Ne7 30.Ng5 (30.Ne5=) 30...Nbc8 (better is 30...Nc6!? 31.Rb5 e5=+) 31.Ne6+= Kf7 32.Ng5 Kg6 33.h4 (33.Nf3 Rb1 34.Kh2 Nb6+=) 33...h6 (33...Rb1 34.Kh2+=) 34.Ne6 Rb1 35.Kh2 Nd6 36.Nf4 Kf6? (better is 36...Kf7+=) 37.Ra6+– (37.Nd5?! Nd5 38.Rd5 Nb7=) 37...Kf7 38.Ra2?? (better is 38.Rd6 Ra1 39.Nd5 Nd5 40.Rd5+–) 38...g5= 39.hg5 hg5 40.Nh3 (40.Nh5 Ne4 41.Ng3 Nf6=) 40...g4 41.Nf4 (41.Ng5 Kf6 42.Nh7 Kg7=) 41…Ne4 =+. Andre,Karl – Wartig,Wolfgang, corr (year?).

4.c4 bc4 5.f3 Nc6 6.a3 d5 7.d3 cd3 8.Bd3 e6 9.Nh3 h6 (9...Qh4 10.Nf2=+) 10.Nc3 (10.0–0 Nf6=) 10...Nf6 11.Nf4 (11.Na4 e5=+) 11...Bd6–/+ 12.Nfe2 (12.0–0 d4 13.Ne4 de3 14.Nf6 gf6–/+) 12...Ne5 13.Nd4 Nd3 14.Qd3 c6 15.Na4 0–0 16.Ne2 (16.Rc1 a5 17.Nc5 Bc5 18.Rc5 ab4 19.ab4 Nd7–/+) 16...Qc7 (16...a5!? 17.Nc5 Bc5 18.bc5 Ba6–/+) 17.Bf6=+ gf6 18.g3 (18.Rc1 a5 19.Nc5 ab4 20.ab4 Rfb8=+) 18...f5 (18...a5 19.Qd4–/+) 19.0–0 f6 (19...a5!? 20.Nc5 Rfb8=+) 20.Nd4= Bc8 (20...Qe7 21.Nc5 Bc5 22.bc5=) 21.Rac1 Bd7 22.Nc5 Bc5 23.Rc5 e5 24.Nc6 Bc6= 25.Rfc1 Bb5 26.Rc7? Bd3–+ 27.Rd7 Bc4 28.e4 fe4 29.fe4 Rfd8 30.Rc7 Bd3 31.ed5 Rd5 32.h3 e4 33.Rc8 Rc8 34.Rc8 Kf7 35.g4 e3 36.Rc1 e2 (37.Kf2 f5–+) 0–1. dugmak – kingsknight59, ChessWorld.net, 2005.

4.c4 bc4 5.Nf3 d5 =+.

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

4.Nf3 d5 5.a4 ba4 6.c3 e6 7.Qa4 Bc6 8.Qc2 Nf6 9.d3 Bd6 10.Nbd2 0–0 11.Be2 Nbd7 12.Nb3 h6 (12...e5 13.Na5 Bb5 14.Nb7+=) 13.Na5+/– Nb8 14.0–0 Re8 15.c4 (15.Nd4 Qd7+/–) 15...dc4+= 16.dc4 (better is 16.Qc4 Bb5 17.Qh4+=) 16...e5?? (better is 16...Bb4 17.Rfd1 Qe7=) 17.c5+– (17.Nc6?! Nc6 18.c5 Be7+/–) 17...e4? (better is 17...Be4 18.Qa4 Bf8 19.Ne5 Nfd7+–) 18.cd6 (18.Nc6 Nc6 19.cd6 ef3 20.dc7 Qe7 21.Bf3 Nb4+–) 18...ef3 19.dc7 Qc7 20.Bf3 Re6 21.Nc6 Nc6 22.b5! Rc8 23.bc6 a5 24.Rfd1 Qb6 25.Bf6 Rf6 26.Rac1 g6 27.Rd7 Kg7 28.Qc3 g5 29.Rd6 Rc6 30.Qf6 (30...Kf8 31.Rdc6 Qb5 32.Rc8 Qe8 33.Qh8 Ke7 34.Qe5 Kf8 35.Re8#) 1–0. pcmvr (2110) – iboyd (1950), net–chess.com, 2006.

4.Nf3 d5 5.a4 Qd6 +=.

4.Nf3 d5 5.Nc3 e6 6.a3 (6.a4 Nf6=) 6...c5= 7.bc5 Bc5 8.Nb5 Nf6?? (8...ab5 9.Bg7) 9.Nbd4 0–0 10.Be2 Nc6 11.Nc6 Bc6 12.0–0 Qe7 13.c4 (13.Nd4 Rfc8+/–) 13...dc4 14.Bc4 Rfb8 15.Qc2 (15.Be5 Rc8+=) 15...Ra7 (15...Bf3 16.gf3 Nd5 17.f4+=) 16.Bd3 h6 (16...Bf3 17.Bf6 gf6 18.Bh7 Kh8 19.gf3=+) 17.Bf6+/– gf6 18.Rfc1 Bf3 19.gf3 (19.Qc5 Qc5 20.Rc5 Rb3+–) 19...Rc8 (better is 19...Ba3!? 20.Rcb1 Rb1 21.Rb1 a5=) 20.Qa4+= Qb7 (20...Qd6!? 21.Qg4 Kh8+=) 21.Qg4+– Kh8 22.Qh3 f5? 23.Qh6+– Kg8 24.Qf4 Kf8 25.Kf1 Ke7 26.Ke2 Bd6 27.Qg5 Kd7 28.Qf6 Rf8 29.Rab1 Qd5 30.a4 Bh2 31.f4 Qg2?? 32.Rb4 Qg4?? 33.Ke1 Qg1 34.Bf1 (34...Qh1 35.Rd4 Qd5 36.Rd5 ed5 37.Qc6 Ke7 38.Qc5 Ke6 39.Qb6 Ke7 40.Qb4 Kd7 41.Qf8 Bf4 42.Qf7 Kd6 43.Qa7 a5 44.Qc7 Ke6 45.Rc6 Bd6 46.Rd6 Ke5 47.Qe7#) 1–0. Korner – Schiedeck, corr, 1990.

4.Nf3 Bf3 5.Qf3 Nc6 6.a3 a5? (6...e6 7.c4 bc4 8.Bc4+/–) 7.ba5 (better is 7.Bb5 Na7 8.Be2+–) 7...Ra5+= 8.Nc3 b4 9.ab4 Ra1 10.Ba1 e5? (10...Nb4 11.Bc4 Nf6 12.0–0 Nc2 13.Nb5+=) 11.Be2 Bb4 12.0–0 h5 13.d3 g5 14.Nd5 Be7 15.e4 g4 16.Qe3 f6 17.f4 ef4 18.Qf4 Nd4?? 19.Bd1 Bd6 20.Nf6 Nf6+/– 21.Qf6 Nf3?? 22.Bf3 Qf6 23.Bf6 Rf8 24.Bd1 g3 25.Bh5 Rf7 26.Bh4 gh2 27.Kh1 (27.Kh1 Be5 28.Rf7+–) 1–0. Fournier,Frederic (1615) – Nesssss (1640), Active (6/0), 2004.

4.Nf3 f6 5.c4 Bf3 6.Qf3+/– (6.gf3?! bc4 7.Bc4 d5 8.Qa4 c6=) 6...c6 7.Bd3 g6 8.Qh3 e5? (better is 8...Bg7!?+/–) 9.Bg6!+– Ke7 (9...hg6 10.Qh8 Pinning (10.Qh8 Deflection)) 10.d4 ed4 11.Bd4 d5?? (11...bc4 12.Na3 Nh6+–) 12.Bc5 Qd6 13.Bd6 Kd6 14.c5 (better is 14.Qc8 Nd7 15.c5 Ke7 16.Qa8 hg6 17.Qc6 Ne5 18.Qd5 Bg7+–) 14...Kc7 15.a4 Nh6 16.Bh5 (16.Bd3 ba4 17.Qe6 Nd7+–) 16...ba4 17.Ra4 a5 18.0–0 Nd7 19.Qe6 Bg7 (19...Rg8 20.Nc3 Rg7 21.b5 Nc5 22.Qc6 Kb8 23.Qb6 Nb7 24.Nd5+–) 20.Qd6 Kd8 21.Qc6 Ke7 22.Qd6 (22.Nc3 Rhb8 23.Qd6 Kd8 24.Nd5 Nf7 25.Bf7 Ra7 26.Qe7 Kc8 27.c6 ab4 28.Qe8) 22...Kd8 23.c6 Kc8 24.Qd7 (24.Qd7 Kb8 25.Qb7) 1–0. AD – Thrustnicely, playchess.de, 2004.

4.Nf3 f6 5.Be2 Nc6 6.0–0 e5 7.a3 a5 8.c3 a4? (8...Ba6 9.Bd3+=) 9.c4 (better is 9.Bb5!? e4 10.Nd4+–) 9...bc4+= 10.Bc4 Ba6 11.d3 Bc4 12.dc4 e4 13.Nd4 Nd4 14.Bd4 Nh6 15.Nc3 16.c5 Ng4 17.Nd5 c6 18.Nf4 Be7 19.h3 Nf6 20.Rb1 g5 21.Nh5 0–0 22.Nf6 Bf6 23.Bf6 Rf6 24.Qe2 d5 25.cd6 Qd6 26.Rfd1 Qe5 27.Qc4 Kg7 28.Rd7 Kg6 29.Qc5 (better is 29.Rbd1+/–) 29...Qc5= ½–½. valpa – footyhead, HCL–C1881 playchess.de, 2003.

4.Nf3 f6 5.Be2 g5?? 6.0–0 (better is 6.Ng5 Bg7 7.Bh5 Kf8 8.Nf7+–) 6...g4 (6...e5 7.a3+/–) 7.Ne1 h5 8.Nd3 Nc6 9.f3 a5 (9...e5 10.a3+=) 10.a3 (10.fg4 hg4 11.Bg4 e5+/–) 10...ab4 11.ab4 Ra1 12.Ba1 d5 (12...g3 13.h3+/–) 13.Nf4 (13.Nc5 Qc8 14.Bb5 e5+–) 13...d4 (13...Nb4 14.Ng6 Rh6 15.Nf8 gf3 16.Bb5 (worse is 16.gf3 Kf8 17.c3 Nc6=) 16...Kf8 17.Qf3+/– (17.gf3?! c5=)) 14.Ne6 (14.Bb5 de3 15.Ne6 Qd6+–) 14...Qd6+/– 15.Nd4 (15.Nc5 Ba8 16.Bb5 de3+–) 15...Nd4 16.Bd4 Qb4 17.Bc3 Qc5 18.fg4 h4? (better is 18...hg4!? 19.Bg4 b4+=) 19.Bf3 Bf3 20.Rf3 (20.Qf3 Kd7+–) 20...Nh6 21.d4 Qc4 22.Qd3 (better is 22.h3!?+/–) 22...Qd3= 23.cd3 Ng4 24.e4 e5 (24...Bh6 25.Bd2=) 25.de5 (25.h3 ed4 26.Bd4 c5+=) 25...Ne5 (25...b4 26.Bb2 Ne5+= (worse is 26...fe5 27.h3 Bc5 28.d4 Bd4 29.Bd4 ed4 30.hg4+=)) 26.Rf6+= Nd3 27.Rf3 (27.Rf5!? Rg8 28.Rb5=) 27...Bc5+= 28.Kh1? (better is 28.Kf1 Rf8 29.Rf8 Bf8 30.Ke2 Nf4 31.Kf3+=) 28...Nf2?? (better is 28...Rf8–+) 29.Rf2!+– Bf2 30.Bh8 c5 31.Be5 c4? 32.g3 hg3 33.hg3 Bg3 1–0. Valpa – Footyhead, playchess.de, 2004.

4.Nf3 h6 5.c4+= bc4 6.Bc4 d5 7.Be2 e6 8.a3 Nc6 9.d3 Be7 (better is 9...Nf6!?+=) 10.Bg7+– Rh7 11.Bb2 f6 12.Nbd2 Qd7 13.0–0 0–0–0 (13...Rg7 14.Rc1+–) 14.Rc1 Kb8 15.Nb3 e5 16.Nc5 Bc5 17.bc5 (17.Rc5 Rg7+–) 17...d4 18.e4 h5 (18...Rg7 19.Rb1+/–) 19.Nh4 Qf7 20.g3 Na5 21.Rb1 c6?? (better is 21...Ne7+–) 22.Bc1 Ka8 23.Bd2 Qc7 (23...Nc4 24.dc4 Rd7 25.Qb3+–) 24.Qe1 (24.Qa4 Rb8+–) 24...Re8 (24...Nc4 25.dc4 Qf7 26.Qd1+–) 25.Ba5 Qf7 26.Rb6 Nh6 27.Bd2 Ng4 28.Qb1 Rb8 29.Qb2 f5 30.Nf5 h4 31.Bg4 hg3 32.fg3 Qg6 33.Bf3 Rhh8 34.Nd6 Qh7 35.Ba5 Ka7 36.Rb1 Ba8 37.Rb8 Qh2 38.Qh2 Rh2 (38...Rb8 39.Qh7 Bb7 40.Rb7 Rb7 41.Qb7) 1–0. Fournier,Frederic –NN, jeu.europe–echecs.com, 2013.

4.f4 e6 5.Nf3 Nf6 6.a3 d6 7.c4 bc4 8.Bc4 Nbd7 9.0–0 c5 10.Nc3 cb4 11.ab4 d5 12.Ba2 Bb4 13.Qa4 a5 14.Ba3 Qb6 15.Rfb1 Bc6 16.Qc2 Qc5 17.Bb2 a4 18.f5 0–0 19.fe6 fe6 20.Nd4 Rfe8 21.Rf1 Bb7 22.Rab1 a3 23.Ba1 Ba6 24.Rf4 Bc3 25.Bc3 e5 26.Nb3 Qe7 27.Rh4 Ne4 28.Re4 de4 29.Nc5 Kh8 30.Ne4 Rf8 31.h3 Rab8 32.Rb8 Rb8 33.d4 ed4 34.Bd4 Rc8 35.Nc3 Nf6 36.Kh1 Bb7 37.Qb1 Qd7 38.Kg1 Qc6 39.Qf1 Rf8 40.Qf2 Re8 41.Qg3 Qd7 42.Qh4 Ne4 43.Ne2 Bd5 0–1. Ruether – Deneuville, corr SOK–96–112 1996.

4.h4 Nf6 5.h5 e6 6.a4 Bb4 7.ab5 0–0 8.ba6 Na6 9.h6 g6 10.f4 Nh5 11.c3 Be7 12.Ba3 Bh4 0–1. LilBear – Wall,Bill, internet, 2000.

4.Nf3 Nc6

5.a3 a5 6.Bb5 Na7 7.Be2 a4 8.0–0 h5 9.Ne1 e6 10.Bf3 (10.Bh5?! Qh4 11.Bf7 Kf7=) 10...c6 11.Nd3 (11.Bh5?! Qh4 12.g4 c5+/–) 11...Ne7 12.Nc5 Qc7 13.Nb7 Qb7 14.Nc3 Nb5 15.Nb5 Qb5 16.Re1 h4 17.g3 (better is 17.h3!?+–) 17...hg3+/– 18.fg3 Rb8 19.Qe2 Qe2 20.Re2 c5 21.Bc3 Nd5 22.Bd5 ed5 23.bc5 Bc5 24.Bg7 Rh3 25.d4 Bd6 (25...Be7 26.e4 de4 27.Re4+–) 26.Be5 (better is 26.e4+–) 26...Be5 27.de5 Rc8 28.Rc1 (better is 28.Rd1!?+–) 28...Rc3+/– 29.Kg2 Rh5 30.Ra1 Ke7 (30...Re5 31.Kf2+=) 31.g4 (better is 31.Rd1!?+/–) 31...Re5+= 32.Kf3 Ke6 33.h4 Kf6 34.Ra2 (better is 34.h5!?+=) ½–½. valpa – footyhead, HCL–C2013 playchess.de, 2003.

5.a3 d5 6.d4 g6 (6...e6 7.c3+=) 7.Nbd2 Bg7 8.Bd3 e6 (8...Nf6 9.c3+=) 9.c3 Nf6 10.0–0 0–0 11.Re1 Re8 12.e4 (12.a4 ba4 13.Ra4 Nd7+=) 12...Ne7 (better is 12...e5!?=) 13.e5+/– Ne4 (13...Nh5 14.Nb3+/–) 14.Ne4 de4 15.Be4 Be4 16.Re4 Bh6 (16...a5 17.Re1+/–) 17.Bc1 Bc1 18.Rc1 Kg7 (18...a5 19.Qd3 Qd7 20.Rh4 ab4 21.ab4+/–) 19.Qd2 (19.c4 Qd7+–) 19...Nf5 20.g3 Qd5 21.Rce1 h6 22.Nh4 Nh4 23.Rh4 Rh8 24.Qf4 Qd8 25.Qf3 Qe7 26.Rf4 Qd7 27.Rd1+– c6 28.Qe4 Qd5+/– 29.Qf3 Rac8?? 30.Rf7 Kg8 31.Qf6 (31.Qf6 Qg2 32.Kg2 Rh7 33.Qg6 Rg7 34.Qg7) 1–0. Fournier,Frederic – Vinsot,Serge, Ch Club, 1998.

5.a3 d6 6.c4 e5 7.cb5 ab5 8.Bb5 Nge7 (8...Qd7 9.0–0+–) 9.0–0 Qd7 10.d4 (better is 10.Nc3 Qf5+–) 10...Ba6? (10...e4 11.Nfd2 d5+–) 11.Ba6 Ra6 12.b5 Rb6 13.bc6 Qc6 14.Bc3 g6 15.de5 Bg7 16.ed6 Bc3 17.de7 Ke7 18.Nc3 Qc3 19.Rc1 Qa3 20.Rc7 Kf6 21.Qd4 Ke6 22.Qe5# 1–0. Ahrens,Gerhard (2235) – Tortoza,Carlos, CiF, 2007.

5.a3 d6 6.c4+= e5 (6...bc4 7.Bc4 e6 8.0–0+=) 7.Nc3 (7.cb5 Nb8+/–) 7...Nf6 (7...bc4!? 8.Bc4 Nf6+=) 8.cb5+/– Ne7 (8...ab5!? 9.Bb5 Be7+/–) 9.ba6+– Ba6? (9...Bc8 10.b5+–) 10.Ba6 (better is 10.Qa4 c6 11.Ba6+–) 10...Ra6 11.Qe2 Ra8 12.0–0 Nd7 13.d4 Ng6 14.Rfd1 Be7 15.de5 0–0 16.Ne4 Nge5 17.Ne5 de5 18.Be5! Qc8 19.Qg4?? Ne5–/+ 20.Qc8 Rfc8 21.b5 Ra3–+ 22.Rac1 Rb3 0–1. O'Harney,Robert – Dickson,David A, Brampton op, 2000.

5.a3 e6 6.c4 bc4 7.Bc4 a5 8.b5 Nb8 9.0–0 c6 10.Nc3 f5 11.g3 (11.Rb1 Nf6+/–) 11...d5 12.Bb3 Qb6 (12...Nf6 13.Ba4+=) 13.Ne5 (better is 13.Na4 Qd8 14.Nd4+=) 13...cb5? (better is 13...Nf6+=) 14.Qh5+– g6 15.Ng6! hg6 16.Qh8 Kf7?? (better is 16...Ne7+–) 17.Qh7 Bg7 (17...Ke8 18.Qg6 Kd7 19.Qg8 Na6+–) 18.Nd5! ed5 (18...Bd5 19.Qg7) 19.Qg7 (19...Ke8 20.Qg8 Ke7 21.Qg7 Ke8 22.Bf6+–) 1–0. Wall,Bill – Chapman,Joshua, Palm Bay, FL, 2004.

5.a3+= e6 6.Be2 Nf6= 7.0–0 Be7 8.c4 d6 (8...bc4 9.Bc4 0–0 10.d3=) 9.d4 (9.cb5 ab5 10.Bb5 0–0+/–) 9...0–0 (9...bc4 10.Bc4 0–0 11.Nc3+=) 10.c5 (better is 10.cb5!? ab5 11.Bb5+/–) 10...dc5 (10...Qd7 11.Nc3=) 11.dc5 Qd1 (11...Nd5 12.e4 Nf4 13.Nc3=) 12.Rd1 Rfd8 13.Nc3 Rd1 (13...e5 14.Bd3=) 14.Rd1+= Rd8 15.Rd8 Bd8 16.h3 (16.Bd3 e5+=) 16...Ne7 (16...Be7 17.e4+=) 17.Nd4 (17.Ne5 Nfd5+=) 17...Ned5 (17...e5 18.Nf3 Nc6 19.Bd3=) 18.Nd5 (18.c6 Bc8+/–) 18...Nd5 (18...Bd5 19.c6+=) 19.e4 (19.Bd3 Bf6+=) 19...Nf4= 20.Bf3 Nd3 21.Ba1 (21.Bc3 Bf6=) 21...Ne5 (21...e5 22.Nf5=) 22.Ne2 (22.Be2 Bf6 23.f4 Nc4+=) 22...Nf3 (22...Bf6 23.Kf1=) 23.gf3= f6 (23...Kf8 24.Be5=) 24.Nc3 (24.Nd4 Kf7+=) 24...c6 (24...g5 25.Bb2=) 25.f4 (25.e5 fe5 26.Ne4 Ba8=) 25...Bc7 26.Ne2 e5 27.f5 g6 28.f4 gf5 29.fe5 Be5 30.Be5+= fe5 31.ef5 Kf7 32.Kf2 Kf6 33.Ng3+/– Bc8 34.Ke3?? Bf5–/+ 35.h4 Bg6 36.Ne4? Kf5?? 37.Nd6 Ke6 38.Nc8 Kd5 39.Ne7+/– Kc4 40.Nc6 Kb3 41.Nb8 Ka3+= (42.Na6 Ka4+=). grain – taylor7, Live Game Caissa's Web, 2005.

5.a3 Nf6 6.c4 Na7 7.d4 Be4 (7...e6 8.Nc3+=) 8.Nbd2 c6 9.c5 d6 (9...Bf5 10.Be2+=) 10.Ne4+/– Ne4 11.Bd3 d5 12.0–0 g6 13.Be4 de4 14.Nd2 f5 15.d5! Rg8 (15...cd5 16.Bh8 Discovered attack; 15...Qd5 16.Bh8 Discovered attack) 16.dc6 Nc6 (16...e6+/–) 17.Qc2?? (better is 17.Qb3!? Qd2 A) 18.Qg8 Qb2 19.Rad1 Qf6+= (19...Qa3? 20.Qd5 Rb8 21.Qc6 Kf7 22.Qd7+–); B) 18.Rfd1+–) 17...Bg7 (17...Qd3 18.Qc1+=) 18.Rad1 Qc7 19.Nb3 Kf7 20.Bg7 Kg7 21.Qb2 (21.Nd4 Nd8+/–) 21...e5+= 22.Rd2 (22.Rd6 Rgd8 23.Rfd1 Kg8+/–) 22...Rad8= 23.Rfd1 Rd2 24.Rd2 Rd8 25.Kf1 Rd3 26.Nc1 Rd2 27.Qd2 Qd8 28.Ke2 f4 (28...Qd2!? 29.Kd2 Kf6=) 29.Nb3 Kf6 (29...f3 30.gf3 ef3 31.Kf3 Qf6 32.Kg2 Qg5 33.Kf1+/–) 30.Qd8 (30.ef4!? Qd2 31.Nd2+/–) 30...Nd8+= 31.ef4 (31.Nd2 Kf5+=) 31...ef4= 32.g3 g5 33.Kd2 Ke5 34.Kc2 Nc6 35.Kd2 h5 36.Kc3 fg3 37.hg3? h4–+ 38.gh4 gh4 39.Nd2 Kf4 40.Kc2 h3 41.Nf1 Kf3 42.Kd2 Kf2 43.Nh2 e3 44.Kd3 e2 45.Ng4 Kg3 46.Ke2 Kg4 47.Kf2 Kf4 48.Kg1 Ke3 0–1. Hal1958 – HOTSUN, playchess.de, 2005.

5.a3 Nf6 6.c4 bc4 7.Bc4 e6 8.0–0 Be7 9.Qc2 0–0 10.Nc3 Nb8 11.Rac1 Bf3 12.gf3 d5 13.Ba2 Bd6 14.Bb1 g6 15.Kg2 Nc6 16.Rh1 Ne5 17.h4 Nc4 18.Rcg1 Nb2 19.Qb2 Nd7 20.Kf1 Be5 (20...Ne5!? 21.f4 Nc4–/+) 21.Qc2 Bg7 22.h5 Qf6 23.Rh3 a5 24.hg6 hg6 25.b5 Rfc8 26.Ne2 (26.d4!?=) 26...Rab8=+ 27.a4 c6 28.bc6 Nf8 (28...Ne5 29.Nd4 Nc4 30.Nb5 Rc6 31.Ke2–/+) 29.Nd4 e5 30.Nb5 Rc6 31.Qb3 Rc1 32.Kg2 Rg1 33.Kg1 d4 34.Qc2 Qe6 35.Rh1 Rc8 36.Qb2 de3 37.fe3 e4! 38.Nd4 (38.Be4 Bb2) 38...ef3 39.Kf2? (better is 39.Ne6 Bb2 40.Nf4–/+) 39...Qg4 40.Rg1 Qh4 41.Kf3 Ne6 42.Qb7 Nd4 43.ed4 Qf6 44.Ke2? Re8 45.Kd1 Qd4 46.Rg2 Qa4 47.Bc2 Qf4 48.Rg1 Rd8 49.Kc1 Qd2 (50.Kb1 Qc3 51.Bd3 Qd3 52.Kc1 Qc3 53.Kb1 Qa1 54.Kc2 Qa2 55.Kc1 Bh6 56.Rg5 Bg5#) 0–1. Heindrich,Janos (2080) – Takacs,Tamas (1750), ch junior team Spatak II–Szarvas, 1998.

4.Nf3 d6

5.a4 c6 6.c4 bc4 7.Bc4 Nf6 8.Qc2 Nbd7 9.d4 e6 10.Bd3 d5 11.Bc3 g6 12.Nbd2 Bg7 13.h4 0–0 14.Ke2 Re8 15.h5 Nh5 16.Rh5 gh5 17.Bh7 Kf8 18.Rh1 Qf6 19.Rh5 Ke7 20.Ne5 Rh8?? (20...Kd8 21.Nd7 Kd7 22.Nb3+=) 21.Ndf3 (better is 21.Ng4+–) 21...Bh6 22.Nd7 Kd7 23.Ne5 Ke7 24.b5 cb5?? (better is 24...ab5 25.Bb4 Ke8 26.ab5 Qg7= (26...cb5 27.Qc7 Bc8 28.Rh6 Qf2 29.Kf2 Ra2 30.Kf3 Rf2 31.Kf2 Rh7 32.Qc8)) 25.Bb4+– Kd8 26.Rh6! Rc8 (26...Qh6 27.Nf7) 27.Qc8! Kc8 28.Rf6 Rh7 29.Rf7 Rh1 30.ab5 ab5 31.Bd6 Ba6 32.Rc7 Kd8+– 33.Nc6 Ke8 34.Nb4 (34...Ra1 35.Re7 Kf8 36.Bc5+–; better is 34.Re7!? Kf8 35.Rh7 Ke8 36.Rh1 Kd7+–) 1–0. Karlsen,Jan M – Jervan,Morten, NOR–ch qual Gausdal, 1999.

5.a4 Bc6 6.ab5+– ab5 7.Ra8 Ba8 8.Bb5 c6 9.Be2 Qc8 10.0–0 e5 11.Ne1 f5 12.f4 e4 13.d3 d5 14.de4 de4 (14...fe4 15.Bh5 Kd8 16.c4+–) 15.Bh5 g6?? (better is 15...Ke7+–) 16.Bh8 Nh6 (16...Qd7 17.Rf2 Bb4 18.c3 Qd1 19.Bd1+–) 17.Be2 c5 (17...Bb4 18.c3 Be7 19.Nd2+–) 18.b5 Nf7 19.Bb2 g5 (19...Qe6 20.Nd2+–) 20.fg5 Ng5 (20...c4 21.Bh5 Bc5 22.Bd4+–) 21.Bh5 Ke7 22.Be5 Nd7 (22...Nf7 23.Bf7 Kf7 24.Qh5 Ke7 25.Bb8 Kd8+–) 23.Qd6 Kd8 24.Bf6 Be7 25.Be7 1–0. Kazimierski,Tomasz – Alexandre, playchess.de, 2001.

5.c4 bc4 6.Bc4 e5 7.0–0 Be7 8.a4 (8.a3 Nf6+=) 8...Nf6= 9.d3 0–0 10.h3 Nbd7 11.Nbd2 Re8 12.e4 (better is 12.b5=) 12...Nf8 (better is 12...d5 13.ed5 Bb4+=) 13.Qb3+= Ne6? (better is 13...d5 14.ed5 Bd6+=) 14.Be6+– fe6 15.Qe6 (15.Qe6 Kh8 16.Ng5+–) 1–0. Hal1958 – Jmcerna, playchess.de, 2004.

5.d4 Nc6 6.a3 e5 7.de5 de5 8.Qd8 Rd8 9.Ne5 (9.Be5?! Ne5 10.Ne5 c5 11.bc5 Bc5+=) 9...Ne5 10.Be5 c5 11.bc5 Bc5?? (better is 11...Rc8+/–) 12.Bg7+– b4 (12...f6 13.Bh8 Kf7 14.c4+–) 13.Bh8 ba3 14.Na3 Bb4 (14...Ke7 15.Be5+–) 15.c3 f6 16.cb4 Ne7 17.Bf6 Nd5 18.Bd8 Nb4 19.Ba5 (19.Ba5 Nd5 20.Rb1+–) 1–0. Fournier,Frederic – martinete, Active, 2008.

5.d4 Nf6 6.Nbd2 Nbd7 7.c4 Ne4 (better is 7...bc4!? 8.Nc4 e6+=) 8.cb5+– ab5 9.Bb5 c6 10.Bd3 Nd2 11.Qd2 e6 12.a4 Be7 13.a5 Ba6 14.Ba6 Ra6 15.d5 0–0 16.dc6 Rc6 17.0–0 Qb8 18.a6 Qa7 (18...Rc4 19.a7 Qb7 20.b5+–) 19.Bd4 Qa8 (19...Qb8 20.a7 Qb7 21.b5+–) 20.b5 Rcc8 21.b6 Qe4 22.b7 Rb8 23.Qb4 f6 24.Rfc1 Nc5 25.Bc5 Qd5 26.Ba7 h6 27.Bb8 Rb8 28.a7 Rb7 29.a8Q Kh7 30.Qbb7 Qb7 31.Qb7 Bf8 32.Qf7 e5 33.Nh4 d5 34.Rc7 d4 35.Qf8 (35.Qf8 de3 36.Qg7#) 1–0. Rosner,Dirk (2175) – Tortoza,Carlos, CiF, 2007.

4.Nf3 e6

5.a3 d6 6.c4 e5 (6...bc4!? 7.Bc4 Nf6+=) 7.cb5+/– g5 (7...Nf6!?+/–) 8.ba6 (8.d4 g4 9.Nfd2 Qg5+–) 8...Na6 9.d4 g4 10.Nfd2 Qf6 (10...Qg5 11.de5 de5 12.Qe2+–) 11.de5 de5 12.Qg4 Nh6 13.Qg3 (better is 13.Qc4 Bg7 14.b5+–) 13...Qc6 (13...Bd6+–) 14.Qe5 Be7 15.Bb5 f6 16.Bc6 Bc6 17.Qe6 Bg2 18.Bf6 Kd8 19.Be7 Ke8 20.Bf6 Kf8 21.Qe7 Kg8 22.Qg7 1–0. Fournier,Frederic (1920) – pablogolz (1765), Active (5/0), 2004.

5.a3 Bd6 6.Be2 (better is 6.Bg7!? c5+–) 6...a5?? (6...Nf6 7.0–0=) 7.0–0 (7.Bg7 ab4 8.Bh8 ba3 9.Bb5 Nf6+–) 7...Na6?? (7...Nf6!?+=) 8.Bb5 (better is 8.Bg7 Bf3 9.Bf3+–) 8...Nf6+/– 9.d3 (9.ba5 Ng4 10.h3 Bf3 11.Qf3 Nh2+/–) 9...e5? (9...ab4!? 10.ab4 Bb4+=) 10.Be5 ab4 (10...Bf3 11.Bf6 Bd1 12.Bd8 Bc2 13.Bh4+/–) 11.ab4 Nb4 12.Ra8 Ba8 13.c3?? Bf3+= 14.Qf3 Be5 15.cb4 0–0 16.Qd1 h5 17.d4+/– Bh2? 18.Kh1?? Ng4 19.g3 Qg5 20.Qf3?? h4?? 21.Bd7 f5 22.Qg2?? f4?? 23.Bg4 Qg4 24.Kh2 fg3 25.fg3 hg3? 26.Kg1 c5 27.Rf8 Kf8 28.bc5 Ke7 29.Nd2 Qd1 30.Nf1 g5 31.Qg3 g4 32.Kg2 Qc2 33.Qf2 Qh7 34.Qg3 Qe4?? 35.Kh2 Qc2 36.Qg2 Qh7 37.Kg1 Qf5 38.Nh2 Qb1 39.Nf1 Qg6?? 40.Qb7+– Kd8 41.c6 g3 42.Qd7 1–0. valpa – dc, HCL–C2034 playchess.de, 2003.

5.a3 f5 6.c4 a5 7.ba5 bc4 8.Bc4 +=.

5.a3 f5 6.c4+= bc4 7.Bc4 Nc6 8.0–0 Nf6 9.Qc2 Be7 (9...Bd6 10.Rc1+=) 10.d4 (10.Rc1 Bd6+=) 10...d5 (10...a5 11.b5 Na7 12.Nbd2+=) 11.Be2 Ne4 12.Rc1 0–0 13.Nbd2 Nd2 (13...Bd6 14.Bd3+=) 14.Qd2+/– Bd6 15.Rc2 Rc8 (15...Qf6 16.Rac1 Ne7 17.Ne5+/–) 16.Ba6 Ba6 17.Rc6 Bc4 (17...Bb5 18.Rcc1+/–) 18.a4 Qd7 (18...Ra8 19.b5+/–) 19.b5+– Ra8 20.Qc2 f4 (20...Rfb8 21.Nd2 Be2 22.f3+–) 21.Ng5 g6 22.e4 Rfe8 (22...Qe7 23.h4+–) 23.e5 Bf8 24.Ne4! Bg7 25.Nd2 Be2 26.Rc1 Bh6 27.Rc7 Qd8 28.f3 Qh4 29.b6 Ba6 30.b7 Rab8 31.Qc6 Bd3 32.Rc8 Qe7 33.Re8 (33...Re8 34.Qe8 Qe8 35.Rc8+–) 1–0. Torre,Isidro – Reilly,Harry, Quad–657.3, 1998.

5.a3 f5 6.c4 Nf6 7.c5 (better is 7.cb5!? Be7 8.ba6 Na6 9.Be2+/–) 7...Be7 8.Be2 0–0 9.0–0 Qe8 10.d4 Ne4 11.Nc3 Qg6 12.Ne5 Qg2 13.Kg2 Nc3 14.Bf3?? (better is 14.c6 Nd1 15.cb7+– (< 15.Rfd1 Nc6 16.Bf3 Rad8–/+)) 14...Nd1= 15.Rad1 (15.Bb7 Ra7 16.Rad1 Rb7 17.Nd7 Nd7=+) 15...Bf3=+ 16.Kf3 d6 17.Nd3 Nd7 (17...a5 18.Rg1 g5 19.e4–/+) 18.Rg1 Nf6 19.Nf4 Kf7 20.d5 ed5 (< 20...dc5 21.Ne6 Rg8 22.Ng5 Ke8 23.bc5+–) 21.Nd5 (21.Bf6 Bf6 22.cd6 cd6 23.Nd5 Be5=+) 21...Nd5=+ 22.Rd5 g6 23.cd6 Bd6 24.Be5 Ke6 25.Bd6 Kd5 26.Bf8 Rf8 27.Rd1 Kc4 28.Rc1 (better is 28.Rd4!? Kb3 29.Rd3 Ka4 30.h3–/+) 28...Kb3–+ 29.Rc7 Ka3 30.Ra7 Rf6 31.Rh7 Kb4 32.Ke2 Rd6 33.h4 a5 34.h5 gh5 35.Rh5 a4 36.Rf5 a3 37.Rf4 (37.Rf8 Kc3 38.Rc8 Kb3–+) 37…Kc3 (38.Rg4 b4–+) 0–1. Heuston,George – Wall,Bill, Palo Alto CA, 1988.

5.a4!? ba4 6.c3 +=.

5.a4 Bb4?? 6.ab5?! Nf6 =.

5.a4 Bb4?? 6.Bg7 Be7 7.Bh8 +–.

5.a4 Bb4?? 6.Bg7 Nf6 7.Bh8 c5 (7...c6 8.c3 Be7 9.d4+–) 8.Bf6 Qf6 9.c3 Ba5 10.ab5 ab5 11.Bb5 Nc6 12.0–0 Nb4 (12...Ne7 13.d4 cd4 14.cd4+–) 13.Qb3 (better is 13.cb4 Qa1 14.ba5 Qa5+–) 13...Bf3 14.gf3 (< 14.cb4 cb4 15.gf3 Qa1+–) 14...Qg6 15.Kh1 Nc6 (15...Qh5 16.Be2 Nc6+–) 16.Rg1 Qf5 (16...Qh5 17.Bc6 Ra6 18.Qb8 Ke7 19.Rg8+–) 17.Rg8 (better is 17.Bc6 Ra6 18.Bd7 Ke7+–) 17...Ke7 18.Ra8 Bc7 (18...Qf3 19.Kg1 Ne5+–) 19.Bc6 (better is 19.f4 Qe4 20.Kg1 Qg6 21.Kf1 Qe4+–) 19...dc6?? 20.R1a7+– Qe5 21.f4 Qe4 22.Kg1 Qg6 23.Kf1 Qe4 24.Rc7 Kd6 25.Rac8 Qh1 26.Ke2 e5 27.Rc6 Qc6+– 28.Rc6 Kc6 29.fe5 c4 (30.Qc4 Kb6+–) +–. Galaxy8 – GULP, Live Game Caissa's Web, 2004.

5.a4 Nf6 =.

5.c3 Nf6 6.d4 Bd6 7.Nbd2 0–0 8.Bd3 h6 (8...a5 9.a3 c6 10.0–0=) 9.0–0+= Ng4 (9...Bc6 10.a3+=) 10.e4+/– c6? (better is 10...Bf4+/–) 11.h3+– Nf6 12.e5 Bc7 13.ef6 Qf6 14.Qe2 (14.Ne4 Qe7+–) 14...c5 (14...d5+–) 15.Ne4 Be4 16.Qe4 d5 17.Qh7 1–0. woschkat (1995) – dgall, net–chess.com, 2001.

5.c4 Bb4?? 6.Bg7+– bc4 7.Bc4 Nf6 8.Bh8 +–.

5.c4 Bb4?? 6.cb5?! Nf6 =.

5.c4 Bb4?? 6.Bg7 Bd2 7.Nfd2 Bg2 8.Bg2 +–.

5.c4 Bb4?? 6.Bg7+– f6 7.Bh8 Qe7 8.cb5 ab5 9.Bb5 c6 10.Be2 Nh6 11.Qb3 Qf8 12.0–0 (better is 12.Qb2 Qh8 13.Qb4 Bc8+–) 12...Ba6 13.Ba6 Na6 14.Qb2 (better is 14.a3 Bd6 15.Qd3 Bh2 16.Kh2 Qh8+–) 14...Qh8 15.a3 Be7 16.Qb7 Kf7 17.Qd7 Ng4 18.Qc6 f5 19.Nc3 Nc5 20.d4 Nd3 21.Ne2 Ra3 22.Ra3 Ba3 23.Qc3 Ngf2 24.Qa3 Qb8 25.Rf2 Nf2 26.Ne5 Kf6 1–0. combijack (1760) – cichociemny, gameknot.com, 2009.

5.c4 Bb4?? 6.Bg7+– Nf6 7.Bh8 Ne4 (7...bc4 8.Bc4 Nc6 9.Nc3+–) 8.cb5 f6 9.ba6 Ba6 (9...Na6 10.a3 Ba5 11.Nd4+–) 10.Ba6 (better is 10.Nd4 Ke7 11.Qg4 Qh8 12.Qe4+–) 10...Kf7 (10...Na6 11.a3 Be7+–) 11.Ne5 Kg8 12.Qg4 Kh8 13.Nf7 1–0. pcmvr – LAME WOLF, internet, 2005.

5.c4 c6 6.a3 Nf6 7.d4 Be7 8.cb5 cb5 9.Bd3 d5 10.Nbd2 Nbd7 11.Nb3 Qb6 12.Nc5 Nc5 (12...0–0 13.Ne5 Bc6 14.0–0+=) 13.dc5+/– Qc6 (13...Qc7 14.Be5 Qd7 15.0–0+/–) 14.a4 h6 (better is 14...0–0!?+/–) 15.Ne5 Qc8 16.0–0 0–0 17.c6 Bc6 (17...Bb4 18.cb7 Qb7 19.Ng4+–) 18.Rc1 1–0. Fournier,Frederic (2080) – NN, Active, 2004.

5.d4 Bb4+= 6.Bc3 (6.c3!? Bd6 7.a4+=) 6...Qe7 7.Qd3 c6 (better is 7...Nf6!?–/+) 8.Be2 Nf6 9.Bb4 Qb4 10.Qc3 (10.Nbd2 d5+=) 10...Nd5 11.Qb4 Nb4 12.Na3 d6 13.c3 (13.c4!?+=) 13...Nd5–/+ 14.c4 Nc3 15.cb5? (better is 15.Bd3!?–/+) 15...ab5–+ 16.Nc2 Nd7 17.Bd3 Ra2 (17...Nf6 18.Ng5–+) 18.0–0? (18.Kd2!? Ra1 19.Ra1–+) 18...0–0 19.Nb4? (19.Ra2 Na2 20.Nd2–+) 19...Ra1 20.Ra1 Nf6 (20...c5 21.Nc2–+) 21.Ra7?! (21.Rc1 Nfe4 22.Ng5 c5 23.Ne4 Be4 (23...Ne4?! 24.Be4 Be4 25.dc5+=) 24.dc5 dc5 25.Rc3 cb4–+) 21...Rb8 (21...Ra8!? 22.Ra8 (22.Rb7?? Ra1 23.Bf1 Ne2 24.Kh1 Rf1 25.Ng1 Rg1) 22...Ba8 23.Nd2–+) 22.Kf1 Ncd5 (better is 22...c5!? 23.dc5 dc5 24.Na6 Ba6 25.Ra6–+) 23.Nd5 Nd5 (23...cd5?! 24.Bb5 Ne4 25.Ke1–/+; worse is 23...ed5 24.Nd2–+) 24.Nd2 g6 (24...f5 25.e4 Nb4 26.Bb1–+) 25.Nb3? (better is 25.Ne4!? Nb4 26.Bb1+=) 25...Nb4 26.Be2 Nd5 27.Bf3 (27.Bd3 Kg7 28.Ke1–+) 27...b4–+ 28.Bd5 ed5 29.Ke2 Kg7 30.Kd3 (30.Kd2 h5–+) 30...Kf6 31.f3 h5 32.h4 Ke6 (32...Bc8 33.Kd2 Rb6 34.Rc7–+) 33.e4 de4 34.fe4 Kf6 (34...f5 35.ef5 gf5 36.Na5–+) 35.Kc4? (better is 35.Na5 Ba8 36.Nc4–/+) 35...Ke6 (better is 35...c5!? 36.dc5 Bc8 37.Nd4–+) 36.Kb4 (36.Kd3 f5 37.ef5 gf5 38.Na5–+) 36...Ba6 (better is 36...c5!? 37.Kc3 cd4 38.Nd4 Ke5 39.Nf3 Kf4–+) 37.Kc3+= Bb5 38.Kd2? (better is 38.e5!? Bd3 39.ed6 Kd6 40.Rf7=) 38...Bf1 39.g3?? (better is 39.Na5 Rb2 40.Kc3–/+) 39...Rb3–+ 0–1. smoothoperator (2255) – grahamtrue (2165), net–chess.com, 2015.

5.Be2 Bb4?? 6.Bg7 Nc6 7.Bh8 +–.

5.Be2 Bb4?? 6.Bg7+– Nf6 7.Bh8 Ne4 8.Bb2 Nc6 9.0–0 Bd6 10.d3 Ng5 11.Nbd2 Qe7 (11...Nf3 12.Nf3 Qe7 13.Rb1+–) 12.Ng5 Qg5 13.Ne4 Bh2 (13...Qe7 14.Bf3+–) 14.Kh2 Qh4 15.Kg1 f5 (15...Ne7 16.Nf6 Kd8 17.Bh5+–) 16.Nc5 (better is 16.Bh5 Ke7 17.Bf6 Qf6 18.Nf6 Kf6+–) 16...Bc8 (16...Qb4 17.Nb7 Qb2 18.Bf3+–) 17.Bh5 Ke7 18.Qf3 Ra7 (18...Qb4 19.Nb3 Qd6 20.Bd4 Nd4 21.Qa8 Nc2 22.Qc8+–) 19.Qh3 (better is 19.Ne4 Bb7 20.Bf6 Qf6 21.Nf6 Kf6+–) 19...Qb4 (19...Qh3 20.gh3 d6+–) 20.Nb3 Na5 21.e4! Nb3 22.Qh4 Kd6 23.e5 Kc5 24.Qb4 Kb4 25.a3 (25...Kc5 26.cb3+–) 1–0. Bittner,H – Koehler, 1986.

5.Be2 Bb4?? 6.Bg7 Nh6 7.Bh6?! Qf6 8.c3 Qh6 9.cb4 Nc6 +–.

5.Be2 Bb4?? 6.Bg7 Nh6 7.Bh8 +–.

5.Be2 Nc6 6.a3 Nge7 (6...Nf6 7.c4 bc4 8.Bc4=) 7.0–0 Ng6 8.c4 bc4 9.Bc4 Na7 (9...Nh4 10.d3+=) 10.Nc3 d5 (10...c5 11.bc5 Bc5 12.d4+=) 11.Bb3 (11.Ba6 Ba6 12.Qa4 Qd7 13.Qa6 Bd6+/–) 11...Rc8 (11...a5 12.ba5 Bd6 13.Ba4 c6 14.d4=) 12.d4 Bd6 13.Ne2 (13.Na4 Nh4+=) 13...0–0 14.Qc2 (14.Bc2 a5+=) 14...c6 (14...Nh4 15.Nh4 Qh4 16.f4=) 15.Ne5 (15.Rfc1 a5+=) 15...Be5 (15...c5!? 16.bc5 Ne5 17.de5 Bc5= (< 17...Rc5 18.Qb1 Bb8 19.Bd4+/–)) 16.de5+= Qg5 (16...c5 17.bc5 Qc7 18.f4+=) 17.f4+/– Qg4 18.e4 (18.Bd4 Nb5+/–) 18...de4 19.Qe4 Rc7 (19...c5!? 20.Qb7 Qe2+=) 20.h3+/– Qh5 21.Rad1 (21.Qe3!? c5 22.Rac1+/–) 21...c5+= 22.Qc2 (22.Qe3 cb4 23.f5 Bg2 24.Kg2 Nh4 25.Kh2 Nf5+=) 22...Nb5 (22...c4!? 23.Ba2 Nh4=) 23.bc5+= Rfc8 24.a4 Rc5 25.Qd3 Na7? (25...Nc7 26.Ba3 Ne5 27.fe5 Qg5+–) 26.Bd4 R5c7 (26...Nf8 27.Qe3 Rc2 A) 28.Ba7?? Re2 (28...Qe2?! 29.Qe2 Re2 30.Rf2 Rf2 31.Kf2+=) 29.Qe2 Qe2–+; B) 28.Bc2?! Rc2 29.Rf2 Nc8+–; C) 28.Rf2 Re2 29.Qe2 Qe2 30.Re2+–) 27.Ba7 Bg2 28.Kg2 Ra7 29.Ng3 Qh6 30.Ne4 Rf8 31.Qg3 Nh4 32.Kg1 Nf5 33.Qd3 Qg6 34.Kh1 Raa8 35.Rg1 Qh6 36.Rg5 Qh4 37.Nf6 Kh8 38.Rh5 (38...gf6 39.Rh4 Nh4 40.ef6+–) 1–0. Wall,Bill – WildRanger, internet, 2002.

5.Be2 Be7 6.0–0 Nf6 7.a3 0–0 8.d4 d6 9.Nbd2 Nbd7 10.c4 c6 11.c5 dc5 12.dc5 Qc7 13.Qc2 Rfd8 14.Rad1 a5 15.Nb3 ab4 16.ab4 Nd5 17.Bc3 Nc3 18.Qc3 Bf6 19.Nbd4 Ne5 20.Ne5 Be5 21.f4 Bd4 22.ed4 Rd7 23.Rd2 Rad8 24.g3 f6 25.Rfd1 e5 (25...Re7 26.Bf3+=) 26.Bg4 (better is 26.de5!? Rd2 27.Rd2 Rd2 28.Qd2+–) 26...Rd4+= 27.Rd4 ed4 28.Rd4 Rd4 29.Qd4 Bc8 30.Bf3 Be6 31.Qd6 Qd6 32.cd6 Bd7 33.g4 g6 34.f5 g5?? (34...gf5 35.gf5 Combination) 35.Kf2+– Kf7 36.Ke3 Ke8 37.Kd4 Kd8 38.Kc5 h5 39.h3 (worse is 39.Bc6 Bf5 40.gf5 g4+–; worse is 39.gh5 Bf5 40.Bc6 Bh7+–) 39...hg4 40.hg4 1–0. SteveF1953 – retiponziani, ChessWorld.net, 2012.

5.Be2 Ne7 6.0–0 Ng6 7.a3 Nc6 8.d3 d5 (8...a5 9.a4+=) 9.c4+/– bc4 10.dc4 dc4 11.Bc4 Qd1 12.Rd1 Nce7 (12...Bd6 13.Be2 Nge5 14.Ne5 Be5 15.Be5 Ne5 16.Nc3+=) 13.Be2 Rc8 14.Nbd2 c5 15.bc5 Rc5 16.Rac1 Rc1 17.Rc1 Nc6 (better is 17...Kd7!?+=) 18.Ba6!+– Ba6 19.Rc6 Bb5 20.Rb6 Bd7 21.a4! f6 (21...Ba4 22.Rb8 Combination) 22.Ba3?? (better is 22.Rb8 Ke7 23.a5+–) 22...Ba3–+ 23.Rb8 Ke7 24.Rh8 Nh8 25.Nc4 Bd6 26.a5 Nf7 27.Nd4 e5 28.Nb3 Be6 29.Nbd2 Bb4 30.a6 Bd5 31.Kf1? Ba8 32.Ke2? Nd6 33.f3? Nc4 34.Nc4 Bc5 35.Kd3? Kd7 36.e4 Kc6 37.Kc3 Bd4 38.Kb4 Bc5 39.Ka5?? Kc7 40.Kb5 Bd4 41.Na5 Bc3 42.Nb3 Bc6 43.Kc5 Bd4! 44.Nd4 ed4 45.Kd4 Kb6 46.a7 Ka7 47.Kc5 Ba4 48.Kd6 g6 49.Ke6 f5 50.ef5 gf5 51.Kf5 Bc2 52.Kg5 Kb6 53.g4 Kc6 54.f4 Kd6 55.Kf6+= Kd7? 56.Kg7 Ke8?? 57.f5 Ke7 58.Kh7 Kf6 59.Kh6 Be4 60.h4 White prepares g5 60...Bf3 61.g5+= Kf5 62.g6 Bd5 63.g7 Kf6 64.Kh7 Kf5 65.h5 Kg5 66.h6 Be4?? 67.Kh8+– 1–0. Fournier,Frederic – frazayas, Active, 2009.

5.Be2 Nf6 6.a3 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.Be2).

5.Be2 Nf6 6.d3 Bb4–/+ 7.c3 Be7 8.0–0 0–0 (8...Nc6 9.a4–/+) 9.Nfd2 (9.a4 Nc6–/+) 9...c5 (9...Nc6 10.a4–/+) 10.e4 (10.a4 d5–/+) 10...d5 11.ed5 (11.a4 Qc7–/+) 11...ed5 (11...Bd5 12.c4 Bc6 13.Qb3–+) 12.Bf3 (12.a4 Re8–/+) 12...Qc7 13.c4 (13.Re1 Bd6–+) 13...d4 (13...Nbd7 14.cb5 ab5 15.Nc3–+) 14.Bb7 (14.Na3 Bd6–/+) 14...Qb7–+ 15.Nf3 (15.Re1 Re8–+) 15...Bd6 (15...bc4!? 16.Bc1 cd3 17.Na3–+) 16.Nbd2 Nbd7 (16...Re8 17.a4 b4 18.Qb3–+) 17.Re1–/+ b4 (17...Rfe8 18.Re8 Re8 19.cb5 ab5 20.a4–/+) 18.Ne4 (18.Qa4 Rfe8–/+) 18...Ne4–+ 19.de4 Rfe8 (19...Ne5–+) 20.a3 (20.Qd3 Rad8–/+) 20...Ne5 (better is 20...ba3!? 21.Ba3 Re4 22.Rb1 Re1 23.Qe1–+) 21.Ne5–/+ Re5 22.ab4 Qb4 23.Ba3 Qc4–+ 24.Qg4 Qe6 25.Qe6 Re6 26.Rac1 Rc8 27.Rc4 Bf8 28.Rec1 d3 29.Rd1 Rd6 30.f3 Rd7 31.e5 Rc6 32.f4 d2 33.g4? Rb6 34.Kf2 Rb3 35.Bc5 Bc5?? 36.Rc5–/+ Rb4?? 37.Rc8 (37...Rd8 38.Rd8#) 1–0. stoker – revbodio, Caissa.com, 2004.

5.a3 Nf6

6.c4 bc4 7.Bc4 d5 =.

6.c4 c5 7.bc5 bc4 8.Bc4 Bc5 9.0–0 0–0 10.d4 Bb6 11.Nbd2 Ne4 (11...d6 12.Qe2+=) 12.Ne4 Be4 13.Bd3 (13.d5 Qe7+/–) 13...Bd3 (13...d5 14.Be4 de4 15.Nd2+=) 14.Qd3 Nc6 (14...d5 15.Rab1+=) 15.Rac1 (15.d5 Ne7+=) 15...Ne7 16.Ne5 (16.a4 d6+=) 16...f6 17.Nf3 d5 18.Rc2 Rc8 19.Rfc1 (19.Rc8 Qc8 20.Bc3 a5+=) 19...Rc2= 20.Rc2 (20.Qc2 Qd6=) 20...Qa8 21.Qb3 (21.a4 Rc8=) 21...Qa7 (21...Rb8 22.Qa4=) 22.h3 Rc8 23.Rc8 Nc8 24.Qa4 (24.e4 Qd7 25.e5 Qb5=) 24...Nd6= 25.Qc6 (25.Bc3 a5=) 25...Bc7 (better is 25...Qc7!? 26.Qa8 Qc8 27.Qc8 Nc8=+) 26.Nd2 (26.Qd7!? Bb8 27.Qe6 Qf7 28.Qf7 Kf7 29.Nd2+=) ½–½. Bennett,Hilton Petrie – Gibbons,Robert, NZL–ch105 Hamilton, 1998.

6.d4 d5 7.Bd3 Bd6 8.0–0 Nbd7 9.Nbd2 0–0 10.Ne5 Nb6 (10...Ne4 11.Ne4 de4 12.Be2=) 11.c3 (11.Qf3 Na4 12.Ra2 Nb2 13.Rb2 Ra7=) 11...Na4=+ 12.Rb1 c5 13.Ba1 c4 14.Bc2 Nb6 15.Re1 (15.f4 a5=+) 15...Nbd7 (15...a5 16.Qf3=+) 16.Nd7 Qd7 17.e4 de4 18.Ne4 Ne4 19.Be4 Be4 20.Re4 a5 21.Bb2 ab4 (21...Qc6 22.Rh4=+) 22.ab4=+ Ra2 ½–½. Lowry,Paul – Jirousek,Jim, corr or01–010 E–mail, 2001.

6.d4 Be7 7.c4 =.

6.Be2 Be7 7.0–0 0–0 8.c4 bc4 9.Bc4 d5 10.Be2 Nc6 (10...a5 11.b5=) 11.Nc3 (11.Qc2!?+=) 11...d4= 12.ed4 Nd4 13.Nd4 Qd4 14.Qc2 c5 (14...Qf4!?=+) 15.Na4+= Qe4 16.Qe4 Ne4 17.Nc5 (17.Rfc1 Nd2 (< 17...cb4 18.Rc7+/–) 18.Nc5 Bc5 19.bc5 Nb3=) 17...Bc5 (17...Nc5 18.bc5 Bc5 19.Rab1=+) 18.bc5= Nd2 (18...Nc5 19.Be5=) 19.Rfd1 Nb3 20.Rab1 Be4 (20...Nc5? 21.Bd4 Rfc8 22.Bc5 Bg2 23.Kg2 Rc5 24.Rd7+–) ½–½. Roos,Bernhard – Pratsch,Thomas, DESC, 2001.

5.c4 bc4

6.Bc4 Bb4?? 7.Bg7 d5 8.Be2 +–.

6.Bc4 Bb4?? 7.Bg7 d5 8.Bh8?! dc4 9.Qa4 Nc6 +–.

6.Bc4 Bb4?? 7.Bg7 Bf3 8.Qf3 +–.

6.Bc4 Nc6 7.a3+= Nf6 8.0–0 d5 9.Be2 Be7 10.d4 0–0 11.Nbd2 Ne4 12.Ne4 de4 13.Nd2 f5 14.f3 ef3 15.Nf3 h6 16.Qb3 Na7 (better is 16...Qd6!?+/–) 17.Qe6+– Kh8?? (better is 17...Kh7+–) 18.Ne5 (18.Ba6 Bd5 19.Qg6 Rf6=) 18...Bd5 (18...Kh7 19.Qg6 Kg8 20.Rf5+–) 19.Ng6 (better is 19.Qe7! Qe7 20.Ng6 Kh7 21.Ne7 Be4+–) 19...Kh7 20.Nf8 (20.Qe7?! Kg6 21.Qd8 Rad8 22.Ba6 Rde8+–) 20...Bf8 21.Qf5 g6 22.Qg4 h5 23.Qh3 Bd6 24.Bh5! Qg5 25.Bf3 Kg7 26.Bd5 Qd5 27.Qd7 Kg8 28.Qg4 Kg7 29.e4 Qb3 30.Rf2 Nb5 31.d5 Nc3 32.Qe6 Rf8 33.Rf8 (33.Rf8 Bf8 34.Qe5 Kg8 35.Bc3 Qc3 36.Qc3+–) 1–0. Sixty4 – Zafonic, playchess.de, 2004.

6.Bc4 Nc6 7.a3+= Nf6 8.0–0 Be7 9.Qc2 0–0 10.Be2 Ne8 11.Nc3 d5 (11...Nd6 12.Rfc1+=) 12.Na4 Bf6 (12...Nf6 13.d4+/–) 13.d4 Be7 14.Rac1 (14.Nc5 Bc5 15.dc5 Nf6+/–) 14...Na7 (14...Nf6 15.Bd3+/–) 15.Bd3+– g6 16.Nc5 Bc5 17.dc5 c6 (17...Qe7 18.Rfd1+–) 18.Qc3 f6 19.e4 Nb5 20.Qb3 Nbc7 21.Rfe1 Ng7 22.Rcd1 Nh5 23.Bc2 Ng7 24.Qe3 Nge8 25.Qh6 Qd7 26.Qh3 Rd8 27.Qh6 Qg7 28.Qh4+– Qd7 29.g4 Rf7 30.g5 Qe7 31.gf6 Nf6 32.Ne5 Nh5+/– 33.Qe7 Re7 34.Ng4 Ree8 35.Re3 Nb5?? 36.Nh6+– Kf8 37.Rf3 (37...Nf6 38.ed5 ed5 39.Rf6 Kg7 40.Rg6 Kf8 41.Rg8 Ke7 42.Rg7 Ke6 43.Bf5#) 1–0. Sternik,Ryszard – Hudziak,Stanislaw, Poland, 1990.

6.Bc4 Nf6 7.0–0 Bb4=+ 8.Qb3 Nc6 9.a3 (9.Ne5 Rb8=+) 9...Be7 10.Bc3 Rb8 11.Qc2 d5 (11...0–0 12.Rc1–/+) 12.Bd3 Qd6 13.Bb2 (13.Rc1 e5 14.Be2 d4 15.ed4 ed4–/+ (15...Nd4?! 16.Nd4 ed4 17.Qa4 Qd7 18.Qd7 Nd7 19.Bd4=+)) 13...e5 14.Be2 (14.Nh4 e4 15.Be2 Qe6–+) 14...e4 15.Nd4 Nd4 16.Bd4 c5 17.Bb2 0–0 18.a4 (18.f3 d4 19.fe4 Be4–+) 18...d4 19.ed4 cd4 20.d3 Rfc8 21.Qd2 (21.Qd1 Rd8–+) 21...ed3 22.Qd3 Bg2! 23.Kg2 (23.Ba3 Be4 24.Qe4 Ne4 25.Bd6 Bd6 26.Ba6 Rc6–+) 23...Rb2 24.Rd1?! (24.Qa6 Qd5 25.Kg1–+) 24...Nd5 25.Qd4 (25.Qa6 Ne3! 26.Kg1–+) 25…Nf4 (26.Kh1 Qc6 27.f3 Ne2–+) 0–1. Buckingham,William – Jirousek,Jim, corr or01–011 E–mail, 2001.

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

6.Bc4 d5

7.Bb3 c5 8.bc5+/– Qa5 9.Ne5 Qc5 10.Nf7! Kf7 11.Qh5 g6 12.Qf3 Ke7 (12...Ke8 13.Bh8 Nc6 14.Nc3+–) 13.Ba3 (13...Nd7 14.d4 Qa3 15.Na3+–; < 13.Bh8 Qc1 14.Bd1 Nc6+–) 1–0. Stanitz,Antal – Deneuville,Christian, corr sok, 1995.

7.Bb3 Nf6!? =.

7.Be2 Bb4?? 8.Bg7 Nd7 9.Bh8 +–.

7.Be2 Nf6 8.a3 c5 9.bc5 Bc5 10.0–0 0–0 (10...Nbd7 11.d4 Bd6 12.a4=) 11.Qc2 Nbd7 12.Ng5 (12.Rc1=) 12...h6 (better is 12...Rc8!? 13.Nc3 d4 14.ed4 Bd4+=) 13.Bf6+= Nf6 14.Qc5 hg5 15.Nc3 Rb8 (15...Ne4 16.Ne4 de4 17.Rfd1+=) 16.Rab1+/– Qd7 17.Rb4 Rfc8 (17...Rbc8 18.Qd4+/–) 18.Qd4 (18.Qa7 a5 19.Qa5 Ra8+/–) 18...Bc6 (18...a5 19.Rb5+=) 19.f4 (19.Ba6!? Re8 20.Qe5+–) 19...gf4 20.Rf4 Bb5 21.Bb5 ab5= 22.Ne2 Rc4 23.Qe5 Rbc8 24.Rh4 Rb4 25.ab4 Rc4 26.Qb8 Qe8 27.Qe8 Ne8 28.Rc4 dc4 29.Nd4 Nd6+= 30.Kf2 e5 31.Nc6 f6 32.Ke2 Kf7 33.d3 cd3 34.Kd3= Ke6 35.e4 g6 36.g4= f5 37.gf5 gf5 38.ef5 Kf5 39.Ne7 Ke6 40.Nc6 Kf5 41.Ne7 Ke6 42.Nc6 Kf5 ½–½. hajo (2030) – Fournier,Frederic (1960), Active (5/0), 2004.

7.Be2 Nf6 8.a3 Bd6 9.d4 0–0 10.0–0 Ne4 11.Qc2 Re8 12.Nbd2 Nd2 13.Qd2 Nd7 14.Rfc1 Nf6 15.b5 ab5 16.Bb5 Ne4 17.Qc2 Re7 18.a4 Ra5 19.Ba3 Ba3 20.Ra3 Ba6 21.Ba6 Ra6 22.a5 c6 23.Ne5 Qd6 24.Qc6 Rc6 25.Rc6 Qb8 26.Ra1 Re8 27.a6 Qb2 28.Rcc1 Qf2 29.Kh1 h5 30.a7 Ra8 31.Rcb1 Qe3 32.Rb8 Kh7 33.Ra8 Nf2 34.Kg1 Nd1 35.Kh1 Qe1 0–1. Zimmer – Recknagel, corr 1985.

7.Be2 Nf6 8.a3 Be7 9.Qc2 0–0 10.h4 Nbd7 11.Nc3 e5 12.0–0–0 (12.d4 e4 13.Ne5 Bd6 14.Nd7 Nd7=) 12...Rc8 13.d4 e4 14.Ng5 h6 15.Nh3 Nb6 16.g4 Nh7 17.h5 c6 18.Kb1 Qc7 19.Rdg1 Nc4?? (better is 19...Ra8–/+) 20.Bc4+/– dc4 21.Nf4 (better is 21.Ne4!? c5 22.dc5+/–) 21...a5 22.Ne4 ab4 23.Qc4? (better is 23.ab4 Qb6 24.Qc4 Bb4 25.g5 hg5 26.Ng5+=) 23...ba3–+ 24.Ng6? (better is 24.Bc3!?–+) 24...ab2 25.Nf8 Rf8 26.Rh3 Qb6 27.f4 Ra8 28.Kc2 c5 29.Nc5 Rc8 30.Kb1 Be4! 31.Ka2 Bc5 32.Qa4 b1Q 33.Rb1 Qb1 0–1. combijack (1780) – teerex (1720), gameknot.com, 2013.

7.Be2 Nf6 8.a3 g6 9.0–0 Bg7 10.a4 0–0 11.b5 ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.Bf6 Bf6 15.d4 Qa8 16.Nbd2 c6 17.Qa1 c5 18.Qa8 Ra8 19.Rc1 c4 20.Ne1 Ra5 21.Rb1 Ra2 22.Nc4 Re2 23.Nd6 Ba8 24.Kf1 Ra2 25.b6 Bc6 26.b7 Nb8 27.Nd3 Be7 28.Nc8 Bd8 29.Ne5 Ra6 30.Ke2 Kf8 31.Kf3 Bc7 32.Nc6 Nc6 33.g3 Ra4 34.Nb6 Bb6 35.Rb6 Nb8 36.Rb5 Ke7 37.Rc5? (Better is 37.Ke2–/+) 37...Rb4–+ 38.Rc7 Nd7 39.h4 Kd6 40.Rc2 Rb7 41.g4 e5 42.de5 Ke5 43.Ke2 Kd6 44.f4 Rc7 45.Rd2 Nc5 46.Kf3 Ne4 47.Rd1 (47.Ra2–+) 47...Rc2 48.g5 Rh2 (Better is 48...h5 49.gh6 f5–+) 49.Kg4 (49.Re1 Rh4 50.Kg2 h6 51.gh6 Rh6–+) 49...Nf2 (49...f5 50.gf6 h5 51.Kf3 Rf2) 50.Kg3–+ Nd1 51.Kh2 Ne3 (52.Kg3 Nf5 53.Kf2 Nh4–+) 0–1. hal1958 – HOTSUN, HCL–A1325 playchess.de, 2003.

5.c4 Nf6

6.a3 a5 =.

6.a3 c5!?

6.a3 c6 7.Be2 Be7 8.0–0 0–0 9.c5 d6 10.d4 d5 (10...a5 11.Nc3=) 11.Ne5 (11.a4 Nbd7+=) 11...Ne4 12.Bf3 Bf6 (12...f6 13.Nd3+=) 13.Be4+/– Be5 (13...de4 14.Qg4 Be5 15.de5+/–) 14.Bd3 (better is 14.Bh7 Kh7 15.Qh5 Kg8 16.de5+–) 14...Bh2? (better is 14...Bc7+=) 15.Kh2+– Qh4 16.Kg1 f5 17.g3 Qh3 18.Re1 (18.a4 Rf6 19.Qf3 Rh6+–) 18...g5 (18...a5 19.Bf1 Qh6 20.a4 ab4 21.ab5 Ra1 22.Ba1 cb5 23.Bb5+–) 19.Bf1 Qh6 20.Kg2 g4 21.Be2 (21.a4 Nd7+–) 21...Rf6 (21...Qh3 22.Kg1+–) 22.Rh1 Qg6 23.Nd2 (23.a4 Nd7+–) 23...Nd7 24.Qc2 e5 (24...a5 25.a4 ab4 26.ab5 Ra1 27.Ra1+–) 25.de5 Ne5 (25...Re6+–) 26.Be5 Re6 27.Bf4 Re4 (27...a5 28.ba5 Ra5 29.Bd3+–) 28.Bd3 (28.Ne4 fe4 29.Rh4 Bc8+–) 28...Rae8 29.Ne4 de4 (29...fe4 30.Be2 Rf8 31.Rh6+–) 30.Qb3 Kg7 (30...Qe6 31.Bc2+–) 31.Be2 Rd8 (31...Qf6+–) 32.Rh6 Qf7 33.Qf7 (33.Rh7 Kh7 34.Qf7 Kh8 35.Rh1) 33...Kf7 34.Rh7 Kf6 35.Rb7 Rd2 36.Kf1 (36.Rh1 Rd7 37.Rd7 Ke6 38.Rhd1 a5 39.R1d6) 36...Rc2 37.Rb6 (better is 37.Rd1 Rc1 38.Rc1 Kg6+–) 37...Rd2 38.Rc6 Ke7 39.Ra6 Kd7 40.Rb6 (better is 40.Bb5 Ke7 41.Bg5 Kf8 42.Rf6 Kg7+–) 40...Kc8 41.Rb5 (41.c6 Rd1 42.Bd1 Kd8 43.Rb5 Ke7 44.Rf5 Ke6 45.Re5 Kd6 46.b5 Kc7 47.a4 Kb6 48.a5 Ka7 49.b6 Ka6 50.Be2) 41...Re2 1–0. TIROLOCO – badboy1221, Live Game Caissa's Web, 2004.

6.cb5 Bb4 7.ba6 (7.a3 Be7=) 7...Ba6 (7...Na6 8.a3 Be7 9.Be2=) 8.Ba6 Na6 9.0–0 d5 10.Ne5 Nb8 11.Qe2 (11.Qb3 Bd6=) 11...c6 (11...0–0 12.d3=) 12.Rc1 Qb6 (12...Bd6 13.Ng4=) 13.Ng4 Nbd7 14.Bf6 (14.Nf6 gf6 15.d3 Bd6+=) 14...Nf6 (14...gf6 15.h3=) 15.Nf6+= gf6 16.Qg4 h5 17.Qf3 f5 18.Qf4 (18.d4 Ra5+=) 18...Kd7 (18...c5 19.a3 Rg8 20.Qh6=) 19.Nc3 Bc3 20.dc3 (< 20.Rc3 Ra2 21.Rcc1 Rha8 22.Ra2 Ra2=+) 20...Rhb8 (20...Ra3 21.c4+=) 21.Qh4 Qb2= 22.Rf1 Qc3=+ 23.Qh5 Qf6 24.Rfd1 Ra3–/+ 25.g3 Rb2 26.Rab1 Raa2 27.Rb2 Rb2 28.Ra1 Rb7 29.Ra8 c5 30.Qh7 Kc6 31.Qg8 Kb6 32.Qe8 Qb2 33.Qd8 Kb5 34.Ra5 Kb4 35.Qa8 Qc2 36.Ra1+– Rd7 37.Qa5 Kc4 38.Qa3 Kb5 39.Qa6 Kb4 40.Qb6 Kc4 41.Rb1?? Kd3=+ 42.Kg2 d4?? 43.Qb5+/– Ke4 44.Qd7?? Qb1–/+ 45.Qc6 Kd3 46.ed4 cd4 47.h4 Ke2 48.Qf3 Ke1 49.h5 Qc1 50.Qd3 Qc3 51.Qc3 dc3 52.h6 c2 53.h7 c1Q 54.h8Q Qc6 55.Kg1 Qc5 56.Qa1 Ke2 57.Qb2 Kf3 58.Qb7 Qd5 59.Qf7?? Qd1–+ 60.Kh2 Qf1?? 61.Qb7= Kf2 62.Qb6 Kf3 63.Qb7 Kf2 ½–½. Le Roux,Frank – Beauvineau,Arnauld, corr TH/96/02, 1996.

6.c5 a5 7.a3 ab4 8.ab4 Nc6 9.Bb5 (9.Ra8 Ba8 10.Bb5 Nb4=) 9...Nb4 10.Bf6 (10.Ra8 Ba8 11.d4 Be7=) 10...gf6 (10...Qf6 11.Ra8 Ba8 12.d4=) 11.Ra8+= Qa8 12.d4 Qa5 13.Qa4 (13.Be2 Nc2 14.Kf1 Qa4=) 13...Qa4 14.Ba4 Rg8 15.Kf1 Bh6 16.Rg1 (16.Nc3 Ke7=) 16...Ke7 (16...Ba6!? 17.Ke1 Nd3 18.Kd2 Nf2=+) 17.Nc3 Ra8 18.Bd1 (18.Ke2 Ba6 19.Bb5 Bb5 20.Nb5 Ra2 21.Nd2 Nd5=) 18...Ra1 19.Nd2?? (better is 19.Ke2=) 19...Ba6–+ 20.Ne2 (20.Nc4 Bc4 21.Ke1 Nc2 22.Kd2 Nd4 23.f4–+) 20...Rd1# 0–1. Hall,PJ – Heperi,DJN (1610), Dunedin New Year op, 1999.

6.c5 Nc6 7.a3 d6 8.d4 Be7 (8...dc5 9.bc5 Be7 10.Bd3=) 9.Nc3 0–0 10.Be2 dc5 11.dc5 Qd1 (11...Qc8 12.0–0=) 12.Rd1 Rfd8 (12...Rad8 13.Rd8 Rd8 14.0–0=) 13.0–0 h6 (13...e5 14.e4=) 14.h3 (14.e4 e5+=) 14...Kf8 (14...e5 15.Rfe1=) 15.Nd2 (15.Bd3 e5+=) 15...Rd7= 16.Bf3 Rad8 17.Nb3 Nd5?? (better is 17...e5=) 18.Nd5+– ed5 19.Bg4 g6 20.Bd7 Rd7 21.Rd2 f5 22.Rfd1 Nd8 (22...Kf7 23.Kf1+–) 23.Nd4 (23.Na5 c6+–) 23...c6 (23...Kf7 24.Kf1+–) 24.Nf3 Nf7 25.Nd4?? (25.Kf1 a5+–) 25...Nd8 26.Ne2 (26.Kf1 a5+–) 26...Kf7 27.f3 Bg5 28.Rd3 Re7 29.Kf2 Bc8 30.f4 Bh4 31.g3 Bf6 32.Bf6 Kf6 33.Nd4 Rb7 34.Rb3 Rb8 35.Ra1 Rb7 36.Kf3 h5 37.Rb2 Re7 38.Ke2 Rb7 39.a4 Rc7 40.ab5 cb5 41.Rc2 Nc6 42.Nc6 Rc6 43.Rd2 Be6 44.Kf3 Ke7 45.g4 fg4+/– 46.hg4 Bg4 47.Kg3 Be6 48.Rd4 Kf6 49.e4 de4 50.Re4 Bc8 51.Re8 Kf7 52.Rc8 Rc8+/– 53.Ra6 Rd8 54.Rb6 Rd3 55.Kh4 Rd4+= 56.Rb5 Rf4 57.Kg3 Rc4 58.Rb6 g5 59.c6 Rc3 60.Kh2 Rc2 61.Kh3 Rc3 ½–½. Liepert,Luise – Svendsen,Hannelore, 3 Laender–Cup (Women), 1992.

6.a3 bc4

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

4.Nf3 Nf6

5.a3 g6 6.c4 c6 7.Be2 Bg7 8.0–0 0–0 9.d3 Re8 10.Qc2 d6 11.Nbd2 Nbd7 12.Nb3 e5 13.Na5 Rb8 14.cb5 cb5 15.Nb7 Rb7 16.Rac1 Nb6 17.Qd2 Qd7 18.Rc2 Rc8 19.Rfc1 Rc2 20.Rc2 Rc7 21.Rc7 Qc7 22.Bd1 Nfd5 23.Bb3 h6 ½–½. Pcmvr – HOTSUN, playchess.de, 2004.

5.c4 bc4 6.Bc4 d5 7.Bb3 e6 8.a3 c5 9.Ne5 c4 (9...Qb6!?=) 10.Ba4+/– Nbd7 (10...Nfd7 11.Qf3 Qe7 12.0–0+/–) 11.0–0 (better is 11.Qf3!? Bc8 12.Nc4+–) 11...Bd6 12.d3 (12.Nd7 Nd7 13.Bg7 Rg8+=) 12...Qc7 (12...cd3 13.Qd3 0–0 14.Nd7 Nd7 15.Nd2=) 13.f4+= 0–0 14.Nd7 Nd7 15.Qg4 (15.dc4 dc4 16.Qg4 g6+=) 15...g6= 16.dc4 (16.Bd7 Qd7 17.dc4 dc4=) 16...Nb6 17.c5 Na4 (17...Bc5!? 18.bc5 Na4=+) 18.cd6+= Qd6 19.Bd4 Nb6? (19...f6 20.Nd2+=) 20.Nd2 Nc4? 21.Nc4 dc4+/– 22.Bc5 Qd3 23.Bf8 Rf8 24.Rfe1 c3 25.Qd1 Qe4 26.Re2 Bd5 27.Qc2 Rc8+/– 28.Rc1 f5 29.Qe4 Be4+/– (29...fe4?? 30.Rec2+–). wlittle (1645) – vkurpnieks (1650), net–chess.com, 2001.

5.c4 c6 6.Nc3 e6 7.a3 d6 8.g3 Be7 9.Qe2 0–0 10.Bg2 Re8 11.0–0 c5 (better is 11...Nbd7!?+=) 12.cb5+/– ab5 13.bc5 dc5 14.Nb5 (14.Qb5?! Ba6 15.Qa4 Nbd7=) 14...Ba6 (14...Nc6!?+/–) 15.Ne5+– Nd5 16.a4 Bf6 17.Rab1 Nd7 (better is 17...Be5 18.Be5 Nd7+–) 18.Ng4?? (18.Nd7!? Qd7 19.Bf6 gf6+–) 18...Be7? (better is 18...Bb2 19.Rb2 h5=) 19.h4 Rb8 20.Be5 Ne5 21.Ne5 Qc8 22.Qh5 Rf8 23.Rfc1 Nf6 24.Qd1 Nd5 (24...Bb7!? 25.Bb7 Qb7 26.Nd4+–) 25.d4 Rd8 26.Na7 Qc7 27.Nac6 Rb1 28.Rb1 Re8 29.Qh5 (29.Bd5 ed5 30.Qf3 Bf8 31.Qd5 Bc8+–) 29...Rf8? (29...g6 30.Ne7 Re7+–) 30.Bd5+– ed5 31.Ne7 Qe7 32.Rb6 Bc4? (32...Bb7 33.dc5 Ba8 34.Nd3+–) 33.dc5 (better is 33.Nc4 dc4 34.Qc5 Qa7+–) 33...Qc5 34.Nc4 (34.Rc6!? Qb4 35.Nc4 dc4+–) 34...Qc4+/– 35.a5 d4?? (better is 35...Qc5+/–) 36.ed4+– Qd4 37.Qb5 Qd1 (37...h6 38.a6 Qa1 39.Kg2+–) 38.Kg2 Qe1 (38...Qc2 39.a6 Qe4 40.Kh2+–) 39.a6 Qe4 (39...g6 40.Rb8 Qe4 41.Kh2+–) 40.Kh2 Qf3 (40...g6 41.Rb8 Qd4 42.Rf8 Kf8 43.Kg1+–) 41.Qc5 (better is 41.Kg1 Qd1 42.Kg2+–) 41...h6 (41...Qa8+–) 42.a7 Ra8 43.Rb8 Kh7 44.Qb6 (44.Ra8 Qa8 45.Qc7 h5 46.Qf7 Kh6+–) 44...g6 (44...Ra7 45.Qa7 Qd5+–) 45.Ra8 Qa8 46.Qb8 Qf3 47.a8Q Qf2 48.Qg2 Qf5 49.Qgb2 g5 (49...Qh3 50.Kh3 g5 51.Q8h8 Kg6 52.g4 gh4 53.Qhg7) 50.Qb1 1–0. jbloe (2315) – grahamtrue (2265), net–chess.com, 2015.

5.c4 c6 6.Be2 e6 7.c5 d5 (7...a5 8.a3=) 8.d3 Nbd7 9.0–0 a5 10.a3 Be7 11.Ne5 0–0 12.Nd7 Qd7 13.Nd2 Ne8 14.Nf3 Nf6 15.Ne5 Qc7 16.Bc3 a4 17.g3 Nh5?? (better is 17...Nd7 18.Nd7 Qd7=) 18.Bh5+– Bf6 (18...Bc8 19.f4+–) 19.f4 g6 20.Bf3 Be7 (20...Bg7 21.Qe2+–) 21.Ng4 Rad8 (21...f6 22.Qe2+–) 22.Qc2 (22.Nh6) 22...h5 (22...f6 23.Rae1+–) 23.Nf2 (better is 23.Nf6!? Bf6 24.Bf6 Rd7+–) 23...f6 24.Rfe1 Bc8 25.e4 e5 26.fe5 fe5 27.ed5 cd5 28.Be5 Qc6 29.Bb2 Rf3 30.Re7 Rd7 31.Rd7 Bd7 32.Qe2 Rf7 33.Qe5 Kf8 34.Re1 (34.Re1 Rh7 35.Qg5+–) 1–0. Valpa – Wilmy, playchess.de, 2005.

5.c4 Nc6 6.Qb3 d5 7.c5 g6 8.Be2 Bg7 9.Na3 0–0 10.0–0 Ne4 11.Bg7 Kg7 12.d3 Nf6 13.Nc2 Kg8 14.Qb2 a5 15.a3 ab4 16.ab4 Ra1 17.Ra1 Qd7 18.d4 Ra8 19.Bb5 Ne4 20.Bc6 Bc6 21.b5 Ra1 22.Qa1 Bb5 23.Ne5 Qe6 24.Qa8 Kg7 25.Nb4 Qf5 26.f3 Nf6 27.Nd5 Nd5 28.Qd5 e6 29.Qb7 Bd3 30.Qc7 Bb5 31.Qb7 Be8 32.c6 Bc6 33.Qc6 Qb1 34.Kf2 Qb2 35.Kg3 h5 36.Qd7 Qb8 37.Qf7 Kh6 1–0. valpa – Nylson, playchess.de, 2002.

5.d4 e6 6.a3=.

5.d4 g6 6.c4+= bc4 7.Bc4 Bg7 8.0–0 0–0 9.Nc3 d6 10.Rc1 Nbd7 11.Ng5 Nb6 12.Bd3 h6 13.Nge4 Ne4 14.Ne4 Nd5 15.a3 a5 16.b5 Rc8 17.Qa4 c6 (17...f5!? 18.Nd2 e6+/–) 18.bc6 Ba8 19.Bb5 Rc7 (19...Qb6 20.Rc2 Rb8+=) 20.Qa5 e6 21.Rc2 Qh4? (better is 21...Ne7 22.Rfc1 d5+–) 22.Nd6 Qe7 23.Ne4 Rfc8 24.Rfc1 f5 25.Nc3 Bc6 (25...Qd8+–) 26.Nd5 Bd5 (26...ed5 27.Bc6 Kh7 28.Qd5+–) 27.Rc7 Rc7 28.Qc7 Qg5 29.g3 Qg4 (29...Bf8+–) 30.Qd8 Kh7 31.Rc8 Qd1 32.Bf1 g5 33.Qg8 Kg6 34.Rc7 Qf3 (34...Qf1 35.Kf1 Bc4 36.Kg2 Bd5 37.Kh3 Bg2 38.Kg2 g4 39.Rg7 Kf6 40.Qf7) 35.Qf7 Kh7 36.Qg7# 1–0. Bonetti,Shane – Panchito, ICC, 2002.

5.Be2 e6 6.a3 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.Be2).

5.Ne5 Nc6 6.Nc6 Bc6 7.d4 Nd5 8.Qg4 Nb4 9.a3 Nc2 10.Kd1 Na1 11.Bd3 Nb3 12.Nc3 h5 13.Qf3 Bf3 0–1. guest460 – guest362, ICC, 1999.

3.e3 Na6

4.a3 c5 5.Nc3 += (< 5.Bb5 Bg2 6.Ba6 Bh1–/+).

4.a3 d5 5.Bb5 c6 6.Ba4 e6 7.Nf3 Nf6 8.Ne5 Bd6? 9.Nc6+– Qd7 10.b5 Nc5+= 11.c4?? dc4 12.Nc3?? 0–0 13.Qf3?? a6 14.0–0 ab5 15.Bb5–/+ Ba6 16.a4 Bb5 17.ab5+/– Nb3? 18.Ra8+– Ra8 19.Ne7! Qe7 20.Qa8 Ne8? 21.Ne4 Nc5 22.Nd6 Qd6 23.Qe8 Qf8 24.Qc6 Na4 25.Bd4 f6 26.Qe6 Qf7 27.Qf7 Kf7 28.Ra1 c3 29.dc3 Nb2 30.b6 Nd3 31.b7 Nb4 32.cb4 (32...Kg6 33.b8Q Kf7 34.Qb7 Kg6 35.Qe4 f5 36.Ra6 Kg5 37.h4 Kh5 38.Qf5 Kh4 39.g3#) 1–0. tschulz – Master1, mySchach.de, 2004.

4.a3 e5 5.Nh3 Nf6 6.Be5 d6 7.Bf6 gf6? (7...Qf6!? 8.d4 c6+/–) 8.Nc3 (Better is 8.Bb5 c6 9.Qf3+–) 8...Bh6?? 9.Qh5 Bg7 10.Qb5 c6 11.Qb7 Nc7 12.Qc6 Qd7 13.Qd7 Kd7 14.Bb5 Nb5 15.Nb5 Rhb8 16.c4 f5 17.Rd1 Re8 18.d4 Re4 19.0–0 a6 20.Nc3 Rg4 21.Nd5 Bh6 22.Nb6 Kc7 23.Na8 Kb8 24.Nb6 1–0. audrey – ambiquad, Live Game Caissa's Web, 2004.

3.e3 c6

4.c4 a6 5.Nf3 d5 6.c5 (6.cd5!? Nf6 7.Nc3+/–) 6...a5+= 7.a3 ab4 8.ab4 f6? (8...Ra1 9.Ba1 Nd7 10.Bb2+=) 9.Nh4 (better is 9.Ra8!? Ba8 10.Nc3+–) 9...Ra1+= 10.Ba1 Na6? (better is 10...Nh6+=) 11.Qh5+– Kd7 12.Ng6! Nb4? (12...hg6 13.Qg4 Double attack (13.Qh8 Pinning; 13.Qh8 Deflection; 13.Qg4 Decoy)) 13.Nh8 Nc2 14.Kd1 Na1 15.Qh7 Nh6 16.Ng6 Qa5 (16...Qe8+–) 17.Nf8 Kc7 (17...Ke8 18.Qg7 Qa4 19.Ke1+–) 18.Bd3 (18.Ne6 Kd7 19.Ng7 Qa4 20.Ke1 Nc2 21.Ke2 Qe4 22.Qe4 de4+–) 18...Ng4 (18...Qa4 19.Ke1 Qg4 20.Qg7 Qg7 21.Ne6 Kd7 22.Ng7+–) 19.Ke2 Bc8 (19...Ne5 20.Qg7 Nd3 21.Qe7 Kb8 22.Kd3+–) 20.Qg7 Ne5 21.Qe7 Bd7 (21...Kb8 22.Bh7 Nb3 23.Qf6 Qc7+–) 22.Qd6 Kb7 23.Nd7 Nd7 24.Qd7 Qc7 25.Qc7 Kc7 26.h4 Nb3 27.h5 Nc5 28.h6 Nd3 29.Kd3 1–0. pumpkin (2860) – imgoodbutnotthatgood, net–chess.com, 2015.

4.Nf3 Na6 5.a3 (5.a4 Nf6+=) 5...Nc7 (5...Nf6 6.Nc3=) 6.c4 e6 (6...Nf6 7.Nc3+=) 7.Be2 f5 (7...bc4 8.Bc4 Nf6 9.0–0+=) 8.0–0+/– Nf6 9.h3 (9.Nc3 bc4 10.Bc4 a5 11.ba5 Ba6+=) 9...Be7 10.c5 d5 11.Ne5 Ne4 (11...0–0!?+=) 12.Bh5 g6 13.Ng6 (13.d3!? Nf6 14.Be2+/–) 13...hg6= 14.Bg6 Kd7 15.Bh8 Qh8 16.d4 Nf6 (16...Rg8 17.Bf7 Rg5 18.Qf3=) 17.Qf3 (17.a4 Qg7 18.Bh5 Nh5 19.Qh5 Rh8+=) 17...Rg8+= 18.Bf5?? (18.Bf7 Rg7 19.Be6 Ke6 20.a4–+) 18...ef5–/+ 19.Qf5 Ne6 (19...Kd8!? 20.Nc3–/+) 20.a4–/+ Rg5 21.Qf3 Nc7 22.Nc3 ba4 23.Ra4 Ba6 24.Rfa1 Ne4 25.Ne4= de4 26.Qe4 Qh3 27.Ra6+= Na6 28.Ra6 Qe6?? 29.Ra7 (29…Kd8 30.Qe6 Rg2 31.Kg2 Bc5 32.Qd7#) 1–0. Olsen,Birger – Pedersen,Birger, Kirkenes Grand Prix op, 1994.

3.e3 Nc6

4.a3 a5 5.ba5 Na5 6.Nf3 (6.Bb5? Bg2 7.Qg4 Bh1 8.Bg7 c6 9.Bc6 Nc6 (9...dc6?! 10.Bh8 Nh6 11.Qg5–+) 10.Bh8 Nh6–+) 6...Nc4 7.Bc4 bc4 8.d3 (8.Nc3 Nf6+=) 8...Qb8 (8...cd3 9.cd3 d6 10.0–0=) 9.Nbd2 Bf3 (9...cd3 10.cd3 Ba6 11.Nb3=) 10.Qf3+/– c6 (10...cd3 11.cd3 c6 12.Rb1+=) 11.Rb1 (better is 11.Nc4!? d5 12.Ra2+/–) 11...cd3+= 12.cd3 e5 13.0–0 Qb5? (13...Qc7 14.Rfc1+=) 14.d4 (better is 14.Nc4!?+–) 14...Qd3+/– 15.Rfd1 ed4 16.Bd4 Qg6 17.Nc4 Ne7? 18.Qf4+– Nd5 19.Rb8 Rb8 20.Qb8 Ke7 21.Bc5 d6 22.Bd6 Kf6 23.Be7! Kf5?? 24.Qe5 Kg4 25.h3 1–0. Fournier,Frederic – Roggenstein,Marc, Coupe Federation, 1996.

4.a3 a6 5.c4 e5 6.Nc3 bc4 7.Bc4 Nf6 8.Qb3 Qe7 9.Nf3 h6 10.Nh4 d6 11.Nf5 Qd7 12.Ng3 Nd8 13.Nd5 Nd5 14.Bd5 Be7 15.0–0 0–0 16.f4 ef4 17.Rf4 Bd5 18.Qd5 Ne6 19.Rg4 Ng5 20.Nf5+/– c6 21.Ne7 Qe7 22.Qd4 f5+= 23.Rg3 Rf7 24.d3 d5 25.h4 Ne6= 26.Qc3 Qh4 27.Rh3+= Qg4 28.Rh6 Ng5 29.Rf1 Raf8 30.Kh2?? d4!–+ 31.Qc6 gh6 32.Bd4 Qh5 33.Kg3 Kh7 34.Qa6 Rg8 35.Kf2 Qh2 36.Qc4 Nh3 37.Ke1 Ng5?? 38.Kf2 Rc7 39.Qb3?? Nh3 40.Ke1 Qg2 41.Bc3 Re8 42.Rf5 Re3 43.Kd1 Rd3 (44.Ke1 Re7 45.Qe6 Qg1 46.Rf1 Re6 47.Be5 Re5#; 43...Qg1 44.Kd2 Qe1 45.Kc2 Re2#) 0–1. Meybohm,Dirk – Gestenberg, 1988.

4.a3 e5 5.Bb5 Nce7 6.f3 (6.Nf3 f6+/–) 6...c6 7.Ba4 Nd5 (7...Ng6 8.d4+/–) 8.Be5 f6 (8...a5!?+/–) 9.Bb2 Qb6 (9...a5 10.ba5 Qa5 11.Bb3+–) 10.c4 Nde7 11.c5 Qc7 12.e4 f5 13.Bc2 Nf6 14.d3 (better is 14.ef5 a5 15.Nc3+–) 14...g6?? (14...fe4 15.de4 a5+–) 15.Bf6 Rg8 16.Nd2 Bg7 17.Bg7 Rg7 18.Bb3 0–0–0 19.Nc4 Ba6 (19...Kb8 20.Ne2+–) 20.Ne2 fe4 21.fe4 Bc4 22.Bc4 g5 23.0–0 d5 24.Ba6 Kd7 25.Nd4 Rg6 26.Qg4 Ke8 27.Rf2 Ng8 28.Raf1 Nf6 29.Rf6 Rf6 30.Rf6 Qe7 31.Re6 Rd7 32.Nc6 de4 33.Re7 Re7 34.Ne7 Ke7 35.Qe4 Kf6 36.Qh7 Ke6 37.c6 Kf6 38.c7 Ke5 39.c8Q g4 40.Qe4 Kf6 41.Qcf5 Kg7 42.Qeg4 Kh6 43.Qfh5 (43.Qgg5) 1–0. nordlicht (2120) – harzer, Gameknot.com, 2006.

4.a3 e6 5.Bb5 a6 6.Be2 Nf6 7.Nf3 d5 8.d4 Ne4 (8...Bd6 9.0–0+/–) 9.Nbd2 Nd2 10.Qd2 Bd6 11.0–0 Qe7 (11...0–0 12.Rfc1+/–) 12.c4+– 0–0?? (12...dc4 13.e4 (13.Bc4?! Na5 14.ba5 Bf3+=) 13...Rd8 14.Qc3+–) 13.cd5 (better is 13.c5+–) 13...ed5 14.Rac1 Qe4 15.Bd3 Qe6 (15...Qg4 16.Ne5 Qh5 17.Qd1+–) 16.Qc2 (16.Bh7 Kh8 17.Bd3 Ne7+–) 16...Rab8? (better is 16...f5!?+–) 17.Bh7 Kh8 18.Bf5 Qh6 19.h3 Ne7 20.Bd3 Bc8 21.Ne5 Be5 22.de5 g6 23.f4 Bf5 24.Bf5 Nf5 25.Bd4 Nd4 26.ed4 f5 27.Qc7 Rbc8 28.Qd6 Rc1 29.Rc1 Qg7 30.Rc7 Qg8 31.Rc6 Rc8 32.Qg6 Qg6 33.Rg6 Rc1 34.Kh2 Ra1 35.Ra6 Rd1 36.Rf6 Rd4 37.Rf5 Rd3 38.e6 Ra3 39.e7 Ra8 40.Rf8 Rf8 41.ef8Q (41.ef8Q Kh7 42.Qf7 Kh8 43.f5 d4 44.f6 d3 45.Qg7) 1–0. Fournier,Frederic (1630) – juanex, Active, 2007.

4.a3 e6 5.Bb5 Nb4!? 6.Nf3 Bf3 7.gf3 Nd5 =.

4.a3 e6 5.Bb5 Bd6?? 6.Nf3 (better is 6.Bg7 Qg5 7.Bh8 Qg2 8.Qf3+–) 6...Ne5?? (better is 6...Nf6+/–) 7.Ne5+– (7.Ne5 Be5 8.Be5+–; 7.Be5?! Bf3 8.Qf3 Be5+–) 1–0. Fournier,Frederic – Ola_ola__, Partie evaluee, 2m + 1s, 2008.

4.a3 e6 5.Nf3 a6 6.c4 bc4 7.Bc4 +=.

3.e3 d5

4.Bb5 c6 5.Be2 Qb6 6.a3 c5 7.c3 (7.Bc3 cb4 8.ab4 a6+/–) 7...c4 8.Nf3 Nf6 9.0–0 Nbd7 10.d3 e6 (better is 10...cd3!? 11.Qd3 Rc8+/–) 11.dc4+– dc4 12.Bc4 Be7 13.Be2 0–0 14.c4 Rad8 15.Qb3 Ne4 16.Nc3 Ndf6 17.Rfd1 Nc3 18.Bc3 a5 19.Bd4 Qc7 20.Rac1 (20.ba5 Ra8+–) 20...ab4 21.ab4 Bd6 22.h3 e5 23.Bb2 e4 24.Nd4 Ba8 25.c5 Be5 26.Nb5 Qc6 27.Be5 1–0. Fournier,Frederic (1660) – pasmat, Active, 2006.

4.Bb5+/– c6 5.Bf1 Nd7 6.c4 e5+= 7.cd5 cd5 8.Nf3 Ngf6 9.a3 Be7 10.Be2 0–0 11.0–0 a6? 12.d4 Bd6?? 13.Ne5 Bc7 14.Nd2 Re8 15.Nd7 Qd7 16.h3 Qd6 17.g3 Ne4 18.Ne4 Re4 19.Qd3 Rae8 20.Bc1 Qh6 21.Kg2 Bc8 22.Bg4 Rg4+= 23.hg4 Qg5?? 24.f3 f5 25.e4 f4?? 26.Bf4 Bf4 27.gf4 Qf4 28.e5 Re7 29.Rac1 Bd7 30.Rc2 h5 31.Qd2 hg4 (31...Qd2 32.Rd2 hg4 33.fg4 Bg4+–) 1–0. Melzig,Ernst – Franz,Ulrich, GER–ch Seniors, 2001.

4.Bb5 Bc6 5.Bc6 Nc6 6.c3 e5 7.d4 Nf6 8.Ne2 e4+= 9.0–0 Rb8 10.Nd2 Bd6 11.h3 0–0 12.f3 ef3 13.Nf3 Re8 14.Qd2 Qe7 15.a4 Qe3 16.Qe3 Re3 17.Nc1 Ne4–/+ 18.Nb3? Nc3 19.Bc3 Rc3 20.Rab1? Rb4 21.Nfd2 Bf4 22.Rbd1?? Be3 23.Kh1 Bd2 24.Nd2 Nd4 25.Nf3 (25...Nf3 26.Rf3 Rf3 27.gf3–+). C_Artist_Think – oasis, chessHere.com, 2006.

4.Bb5!? Bc6 5.Be2 +/–.

4.Nf3 a5 5.a4 +=.

4.Nf3 a6 5.a4 Qd6 +=.

4.Nf3 a6 5.Be2 e6 6.0–0 Bb4?? 7.Bg7 Nf6 8.Bh8 +–.

4.Nf3 a6 5.Be2 e6 6.0–0 Nf6 7.a4 Bb4 8.ab5 0–0 9.c3 Be7 10.Qb3 Nbd7 11.d4 Rb8 12.Ba3 Bc6? 13.Be7+/– Qe7 14.Ra6 Bb7 15.Ra7 Qd6 16.Nbd2 Qb6 17.Rfa1+– c6 18.Qa4 Ra8+/– 19.bc6 Bc6 20.Qa5 Ra7 21.Qa7 Qb2 22.Qa3 Qb7 23.h3 g6 24.Nb3 Ne4 25.Na5 Qc7 26.c4 dc4 27.Nc4 Bb5 28.Qa5 Qc6?? 29.Nce5+– Ne5 30.Ne5 Qc2 31.Qb5 Nc3 32.Bd3 Nb5 33.Bc2 f6 34.Nd7 Rf7 35.Bb3 Rd7 36.Be6 Rf7 37.Ra5 Nd6 38.Ra7 Kf8 39.Bf7 Nf7 40.Rf7 (40...Kf7 41.e4+–; 40.d5!? f5+–) 1–0. Karaivanov,N – Dojchinov,At, Borovetz, 2003.

3.e3 d6

4.Bb5 c6 5.Be2 Qb6 6.a3 c5 7.Nf3 cb4 8.0–0 Nd7 9.Bd4 Nc5 10.ab4 Qb4 11.Na3 e5 12.Bb5 Nd7 13.Bd7 Kd7 14.Rb1 Qa3 15.Rb7 Kc8 16.Bb2 Qa2 17.Rb3 Be7 18.Ne5 Rb8 19.Qg4 Kc7 20.Qd7 1–0. Kreuzer – Konzelmann, Mannheim 1980.

4.Nf3 Qd7!? +=.

4.Nf3 e5 5.Bb5 c6 6.Bd3 Nf6 7.Nc3 Be7 8.Ne4 Ne4 9.Be4 d5 10.Bf5 0–0 (better is 10...e4!? 11.Ng1 Bb4+=) 11.Ne5+– Bb4? (better is 11...g6 12.Qg4 Bf6+–) 12.Qh5 h6 13.Qg4 Qg5 (13...d4+–) 14.Qb4 Ba6 (14...Qf5 15.Qb7 f6 16.Ba3+–) 15.Bh7! Kh7 16.Qf8 f6 17.Nc6! Qg2 (17...Nc6 18.Qa8 Pinning (18.Qa8 Deflection)) 18.0–0–0 (18.0–0–0 d4 19.Rdg1 Nc6 20.Qa8+–) 1–0. Fournier,Frederic (1990) – Quasarlux (1730), Active, 2007.

4.Nf3 Nf6 5.Bb5 c6 6.Be2 Nbd7 7.d4 Qb6 8.a3 c5 9.dc5 dc5 10.c3 cb4 11.cb4 Nd5 12.Nc3 Nc3 13.Bc3 e6 14.0–0 Qd6 15.Qd6 Bd6 16.Bg7 Rg8 17.Bd4 Bf3? (better is 17...e5 18.Bc3 Rd8+–) 18.Bf3 e5 (18...Rd8 19.Ba7 Ke7 20.Rfc1+–) 19.Bb2 (better is 19.Ba8 ed4 20.ed4+–) 19...Rb8 20.Rfd1 Ke7 21.Be2 a5 22.b5 Nc5 23.a4 Nb3 (23...Rgd8 24.Rd5 f6 25.Bc3+–) 24.Rab1 Rg6 (24...Nc5 25.Ba3 Nb7 26.Bd6 Nd6 27.b6+–) 25.Be5! Be5 26.Rb3 Rh6 27.g3 Rg6 28.Rbd3 Rd6 29.f4 Rd3 30.Rd3 Bf6 31.e4 Rd8 32.Rd8 Kd8 33.e5 Be7 34.Kf2 Bc5 35.Kf3 Ke7 36.Ke4 Ke6 37.Bc4 Ke7 38.Kd5 Bg1 39.h3 Bh2 40.f5 Bg3 41.e6 fe6 42.fe6 Bb8 43.Kc6 Bh2 44.b6 h5 45.Kb5 Kd6 46.Ka5 Be5 47.Ka6 Kc5 48.e7 (48.e7 Kd4 49.e8Q+–) 1–0. Fournier,Frederic – NN, jeu.europe–echecs.com, 2013.

3.e3 e5?

4.a4 ba4 5.Ra4 Nc6 6.b5 Nce7 7.Be5 Nf6 8.Bf6+– gf6 9.Nf3 a6 10.ba6 Ra6?? 11.Ba6 Bf3 12.Qf3 Nc6 13.Re4 Be7 14.Qf6 Ne5 15.Qh8 Bf8 16.Re5 Qe7 17.Re7 Ke7 18.Qe5 Kd8 19.Qf6 Ke8 20.Bc4 Be7 21.Qf7 Kd8 22.Qg8 Bf8 23.Qf8# 1–0. Pierred (2260) – Computer3, Rated game, 1m + 0s, 2005.

4.Be5 d6 5.Bb2 (5.Bb5 c6 6.Bc3 cb5–/+) 5...c5 6.Bb5 Nc6 7.bc5 dc5 8.Nf3 a6 9.Ba4 Rc8 10.0–0 Rc7 11.Ne5 f6?? (11...Qh4 12.f4 f6 13.Nc6 Bc6 14.Bc6 Rc6+–) 12.Qh5 g6 13.Ng6! hg6 14.Qh8 Qe7 15.Qg8 Rd7 16.Qg6 Kd8 17.Bf6 1–0. Bonetti,Shane – davidf1, ICC, 2002.

4.Be5+= f6 5.Bc3+/– c6 6.Nf3 Nh6 7.a3 g5? (Better is 7...Be7+/–) 8.Ng5!+– Qe7 (8...fg5 9.Qh5) 9.Qh5 Nf7 (9...Kd8 10.Ne4 Ng8 11.Nc5+–) 10.Nh7 Bh6 11.Nf6 Kd8 12.Nd5! cd5 13.Bh8 Nh8 14.Qh6 Qe8 15.Nc3 a6 16.Qb6 Ke7 17.Qb7 Nc6 18.Nd5 Ke6 19.Nc7 Ke7 20.Ne8 Ke8 21.Qa8 (21...Kf7 22.Qa6+–) 1–0. Woschkat,Karl_Heinz – Albrecht,Markus, remoteschach.de, 2002.

4.Nf3 d6? 5.Bb5+/– c6 6.Ba4 Nf6 7.0–0 Na6 8.a3 Be7 9.d3 0–0 10.Nbd2 Nc7 11.h3 a5 12.c3 ab4 13.cb4 Ba6 14.Qc2 (14.Bc6 Bd3 15.Ba8 Bf1+–) 14...c5? (14...Bd3 15.Qd3 Ra4 16.Rfc1=) 15.Rac1 (15.bc5!? e4 16.Bf6 Bf6 17.Ne4 Ba1 18.cd6 Rc8+–) 15...Bd3 16.Qd3 Ra4 17.bc5 Ra8? 18.c6 Qb8 19.Rb1 Qc8 20.Nc4 Ncd5 21.e4 Nf4 22.Qc2 Qc6 23.Nfd2 Bd8 24.f3 Ba5 25.Bc3?? Bc3–+ 26.Rb6 Qc7 27.Qb3 Bd2 28.Nd2 Ra3! 29.Qb5 Ra2 30.Rc6 Qa7 31.Kh1 Rd2 32.Rfc1 Qb8 33.Qb8 Rb8?? 34.Rc8= Ne8 35.Rb8 Kf8 36.Rcc8 Ng2?? 37.Re8 1–0. willi_weizenkeim – Grunert, HCL–C2127 playchess.de, 2003.

4.Nf3 e4!? 5.Nd4 a6 =.

4.Nf3 e4!? 5.Nd4 Bb4 6.Bb5?! Nf6 =.

4.Nf3 e4!? 5.Nd4 Bb4 6.Nb5?! Nf6 =.

4.Nf3 e4!? 5.Nd4 Bb4 6.Ne6 de6 7.Bg7 +/–.

4.Be5+= Nc6!?

5.Bb2 Bb4?? 6.Bg7+– (6.Bb5?! Nf6+/–) 1–0. Suess,Stefan – Petersen, corr, 1986.

5.Bb2 Nb4 6.Bb5?? Bg2 7.a3 Nd5 8.Bg7 Bg7 –+.

5.Bb2 Nb4 6.Nc3 a6 =.

5.Bb2 Nb4 6.f3 6...Nf6 (6...a6!?=) 7.Bb5 a6 8.Be2 Nfd5 9.e4 Nf4 10.Nh3 (better is 10.g3!? Ne2 11.Ne2+=) 10...Qh4 11.g3 Ng2 (better is 11...Qh3!? 12.Bf1 Qh6 13.gf4 Qf4+=) 12.Kf2+= Qh3 13.Qg1?? (better is 13.Bf1!?+=) 13...Bc5?? (better is 13...Nc2 14.Qg2 Qh6–+) 14.d4+= Nc2 15.Qg2 Qh6 16.dc5= Qe3 17.Kf1 a5?? 18.Qf2+– a4? 19.Qe3 Ne3 20.Kf2 Nc2 21.Bg7 Rg8 22.Bc3 Rg5 23.Bd2 Na1?? 24.Bg5 Nc2 25.Bd2 Nd4 26.Bc3 Ne6 27.Rd1 0–0–0 28.Bb4 Ng5 29.h4 Nh3 30.Kg2 d5 31.Kh3 Kb8 32.ed5 f5 33.g4 fg4 34.fg4 Bd5 35.Bf3! c6 36.Bd5 cd5 37.Nc3 d4 38.Na4 d3 39.Nb2 Rd4 40.Nd3 Kc7 41.a3 Kc6 42.a4 Rd8 43.Ne5 Kc7 44.Rd8 Kd8+– 45.a5 Kc7 46.h5 h6 47.g5! hg5 48.h6 (48.h6 g4 49.Kg4 Kb7 50.h7 Kb8 51.h8Q Kc7 52.Qg7 Kb8 53.c6 Kc8 54.Qd7 Kb8 55.Qb7) 1–0. Valpa – Dc, playchess.de, 2004.

5.Nf3 Ne5 6.Ne5 Qe7 +=.

3.e3 e6

4.a3 Nf6 5.Bb5?? Bg2–+ 6.f3 Bh1 7.Qe2 (7.Nh3 c6 8.Bf1 Qc7–+) 7...c6 8.Bd3 Bd6 (8...a5 9.b5–+) 9.Qf1 Bh2 (9...Nh5!? 10.Qh3 Qg5 11.Qg4–+) 10.Nh3 (10.Ne2 Bf3 11.Qf3 Bc7–+) 10...Qc7 11.Qh1 Qg3 12.Nf2 (12.Kd1 Qh3 13.Be5 Be5 14.Qh3 Ba1–+) 12...Bg1 13.Kd1 Qf2 14.Bf6 gf6 15.Bh7 (15.c4–+) 15…Qf1 0–1. color1972 – markmooney, ChessWorld.net, 2005.

4.a3 Nf6 5.c4 bc4–/+ 6.Nf3 d5 7.d3 cd3 8.Qd3 (8.Bd3 Nbd7 9.0–0–/+) 8...Nc6 (8...a5!? 9.b5 Nbd7–/+) 9.Be2 (9.Qb5 Qc8 10.Qa4+=) 9...Bd6+= 10.0–0 Qd7 11.Nbd2 Be7 (better is 11...a6+=) 12.Rac1 a6 13.Rc2 0–0 14.Rfc1 Rfd8? (14...Bd6 15.Bf6 gf6 16.Nb3=) 15.Ne5 (better is 15.b5 ab5 16.Rc6 Bc6 17.Ne5+–) 15...Ne5= 16.Be5 c6 17.Nb3 Ne4 18.f3 Bd6 19.Bb2 Nf6 20.Na5 Rdc8 21.Bf6 gf6 22.Qd4 f5 23.Qb6 The pressure on the backward pawn c6 grows 23...Rab8 24.Nb7 (worse is 24.Ba6 Bc7 25.Qa7 Ba6 26.Qa6 Ra8–/+) 24...Rc7?? (24...Rb7!? 25.Qd4 Ra7+=) 25.Qa6 (better is 25.Ba6 Rcb7 26.Bb7 Rb7 27.Qc6+–) 25...Rbb7+/– 26.Rc6 Rc6 27.Rc6 Bb8 28.b5 (better is 28.Bb5+/–) 28...Ra7?? (better is 28...Ba7=) 29.Qc8+– Kg7 (29...Qc8 30.Rc8 Kg7 31.Rb8 Ra3+–) 30.Qb8 1–0. justforfun (2510) – smoothoperator (2255), net–chess.com, 2015.

4.a3 Nf6 5.d4 g6 6.Nf3 Bg7 7.Nbd2 a6 8.c4 bc4 9.Bc4 0–0 10.0–0 d5 11.Bd3 Nbd7 12.Rc1 Ne8 13.Nb3 f5 14.Nc5 Nc5 15.bc5 c6 16.Rb1 Nc7 17.a4 Qf6 18.Nd2 f4 19.Bc1 Rab8 20.Qg4 Ba8 21.Rb8 Rb8 22.Nf3 Rb4 23.Ne5 fe3 24.fe3 Qe5 25.Bd2 Rd4 26.ed4 Qd4 27.Qd4 Bd4 28.Kh1 Bc5 29.Bf4 Ne8 30.Ba6 Ng7 31.Bc8 Bd4 32.Bd6 h5 33.Rf8 Kh7 34.Ba6 Nf5 35.Ba3 c5 36.Ra8 c4 37.Bc8 e5 38.Be6 Ne3 39.Rd8 c3 40.Bd5 Nd1 41.g3 Nf2 42.Kg2 Ng4 43.Be4 Ne3 44.Kf3 c2 45.Ke2 Bc5 46.Bc1 Bd4 47.Rc8 Nd1 48.Bc2 Nc3 49.Kd3 1–0. willow27 – markmooney, ChessWorld.net, 2005.

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

4.a3 g5?? 5.Bh8 Bg7 6.Bg7 1–0. guest507 – guest285, ICC, 1999.

4.a4 ba4 5.Ra4 Qh4 6.Nf3 Qe4 7.d4 Qc6 8.c4 Qe4 9.Bd3 Qg4 10.0–0 Nc6 11.Bc3 Nf6 12.d5 ed5 13.b5 Ne7 14.cd5 Nfd5 15.Rg4 Nc3 16.Nc3 a6 17.ba6 Bc6 18.Bb5 h5 19.Ne5 Ng6 20.Rg6 Bd6 21.Rd6 cd6 22.Nc6 Rh6 23.Qd5 Rf6 24.Ne4 Re6 25.Nd4 Rc8 26.Nd6 Kf8 27.Ne6 fe6 28.Qf3 (time, 1–0). Machete99 – guest1330, ICC, 2002.

4.a4 a5 5.ba5 Ra5 6.ab5 Ra1 7.Ba1 c6 8.Nf3 cb5 9.Bb5 Bc6 10.Bc6 Nc6 11.0–0 Qa5 12.Nc3 Bb4 13.Ne2 Ne5 14.Be5 Bd2 15.Bg7 Ne7 16.Bh8 Ng6 17.Nd2 Nh8 18.Ne4 Qe5 19.Qd4 Qd4 20.ed4 d5 21.Nf6 Ke7 22.Nh7 Ng6 23.Ra1 Kd6 24.Ng5 f6 25.Ra6 Kd7 26.Ne6 Nf8 27.Nf8 1–0. Machete99 – guest1404, ICC, 2002.

4.a4 a5 5.ab5 ab4 6.Ra8 Ba8 7.Nf3 Nf6 8.Be2 Be7 9.0–0 0–0 10.d4 Bb7 11.Nbd2 d5 12.Nb3 c6 13.Nc5 Qb6 14.Nb7 Qb7 15.Qd3 Rc8 16.bc6 Qc6 17.Rc1 Ne4 18.Ne5 Qc7 19.Bh5 g6 20.Bg4 Bh4 21.g3 Bf6 22.Nf3 Nd7 23.Nd2 Ndc5 24.Qe2 Bg7 25.Ne4 Ne4 26.Qe1 Qd6 27.Bf3 Qb6 28.Bg2 Qb5 29.Qf1 Qb7 30.f3 Nd6 31.Qd3 Qc6 32.Qb3 Bh6 33.f4 Qb5 34.Re1 Bf8 35.Bf1 Qb7 36.Ra1 Ne4 37.Ba6 Qa8 38.Bc8 Qc8 39.Kg2 Qb7 40.Qa4 Qc7 41.Kh1 Qc8 42.Kg1 Qc7 43.Rc1 Qc8 44.Qb5 Be7 45.Qd3 h5 46.Ra1 Qb7 47.Ra5 Bf8 48.Ra4 Bh6 49.Qb3 Bf8 50.Ra1 Bd6 51.Qa4 Qc8 52.Qa8 Bb8 53.Ra7 Nd6 54.Ra2 Qc2 55.Ba1 Qb1 56.Kf2 Ne4 57.Kg2 Kh7 58.Rb2 Qd1 59.Qa2 Nc3 60.Qa6 b3 61.Qf1 Qf1 62.Kf1 Ne4 63.Kg2 Bc7 64.Rb3 Ba5 65.h3 Kg7 66.Rb2 Be1 67.g4 Bd2 68.Kf3 Bc3 69.Ra2 Bb4 70.g5 h4 71.Ra4 Be1 72.Ra6 Bg3 73.Bb2 Nf2 74.Kg2 Ne4 75.Rc6 Be1 76.Kf3 Bb4 77.Rb6 Ba5 78.Rb5 Nd2 79.Ke2 Nc4 80.Bc1 Bc3 81.Kd3 Nd6 82.Rb8 Ne4 83.Ba3 Be1 84.Ra8 Kh7 85.Ra7 Kg7 86.Ke2 Bg3 87.Be7 Bh2 88.Kf3 Bg3 89.Ra2 Be1 90.Bc5 Bd2 91.Ra7 Be1 ½–½. Machete99 (2365) – Ischoolyouboy (2275), ICC, 2002.

4.a4 a6 5.ab5 ab5 6.Ra8 (6.Bb5? Ra1 (6...Bb4 7.Bg7 Ra1 8.Bh8+=) 7.Ba1 Bg2 (7...Bb4 8.Bg7 Nf6 9.Bh8+–) 8.Bg7 Bg7–+ (8...Bh1?! 9.Bh8 Qg5 10.Ne2 Qb5 11.Ng3–+)) 6...Ba8 7.Nf3 (7.Bb5? Bg2 8.Bg7 Bg7–+ (8...Bh1?! 9.Bh8 Qg5 10.Ne2 Qb5 11.Ng3–+)) 7...Nf6 (7...Bb4 8.Bg7 (8.Bb5?! Nf6=) 8...Nf6 9.Bh8+–) 8.Bb5 Bb4 9.Bc3 Be7 10.0–0 0–0 11.d4 (11.Bf6 Bf6 12.d4 Be7=) 11...Ne4 12.Bb2 d6 (12...f5 13.c4=) 13.c4 Nd7 14.Nfd2 (14.Nc3 c6 15.Ba4 c5=) 14...Ndf6 (14...c6 15.Ba4 Ndf6 16.Ne4 Ne4 17.Nc3+=) 15.Nc3 Qb8 (15...Nc3 16.Bc3 c6 17.Ba6=) 16.Nde4+= Ne4 17.Qe2 Nc3 18.Bc3 Bf6 (18...Qb7 19.f3+=) 19.Ra1 c5 20.Qd3 Rd8 21.Ba4 Qc7 22.Bc2 g6 23.Ba5 Qa7 (23...Qb7!? 24.e4 Rc8= (< 24...Bd4 25.Rb1 Qe7 26.Bd8 Qd8 27.Qf3+=)) 24.Qf1+/– Rc8 25.Bd8! Qa1 (25...Bd8 26.Ra7) 26.Qa1 Rd8 27.Qa5 cd4 28.ed4 Rc8 29.Qa6 Rd8 30.Qb6 (better is 30.c5!? dc5 31.dc5+/–) ½–½. Trigance,Eric – Rosenhahn,Eberhard, corr ICCF TT–4–90 SF, 1995.

4.a4 Bb4?? 5.Bg7 (5.ab5?! Nf6=; 5.Bb5?! Nf6 6.Nf3 a6=) 5...Bg2 6.Bg2+– (6.Bh8?! Bh1 7.Qg4 Ne7 8.Qb4 Ng6+–)).

4.a4 Nf6 5.ab5 Bb4 6.Ra4 =.

4.a4 Nf6 5.ab5 Bb4 6.Nf3 0–0 7.Nc3 a5 8.Be2 d6 9.0–0 Nbd7 10.Nd4 Ne5 11.Na4 c6 (11...Bd5!?+=) 12.f4 Ng6 13.bc6 Ba6 (13...Bc8!?+/–) 14.f5+– ef5 15.Nf5 d5 (better is 15...Ne8+–) 16.Ng7! Ne4 (16...Kg7 17.Bf6 Double attack (17.Rf6 Discovered attack; 17.Bf6 Remove defender)) 17.d3 Nc5 (17...Ng5 18.Nf5 f6 19.Bd4+–) 18.Bf6 Qc7 19.Nf5 Qc6 (19...Rfb8 20.c3 Na4 21.cb4 Bb5 22.Nh6 Kf8+–) 20.Nh6 1–0. forsetinn (1905) – sotdalas (1845), gameknot.com, 2013.

4.a4 Nf6 5.Bb5?? Bb4?! 6.Nf3 =.

4.a4 Nf6 5.Bb5?? Bg2 6.Be2 Bh1 –+.

4.Bb5?? Bg2 5.Qg4 Bh1 6.Bg7 Nf6 7.Bf6 Qf6 –+.

4.Bb5?? Bg2 5.Bg7 Bg7–+.

4.Bb5?? Bg2 5.Bg7 Bh1?! 6.Bh8 Qg5 7.Ne2 Qb5 8.Ng3–+.

4.Nf3 a5 5.Nd4 (5.Bb5!? ab4 6.a3=) 5...ab4= (5...Bb4? 6.Ne6 de6 7.Bg7+–) 6.Nb5 Ba6 7.Be5 (7.Qf3 d5 8.Qg3 Bb5 9.Bb5 c6 10.Bg7 Bg7 11.Qg7+=) 7...d6?? (7...Bb5 8.Bb5 Qg5–/+) 8.Bd4?? (better is 8.Qf3 Bb5 9.Bb5 Nd7 10.Bd7 Kd7 11.Qf7 Qe7 12.Qf3+/–) 8...e5 9.Bb2 c6 10.Nd6 Qd6 11.c4 Bc4?? 12.Bc4= Ra4?? 13.Qa4+– Nd7 14.Qb3 Nb6 15.Bf7 Kd7 16.Bg8 Nd5 17.Bd5 cd5 18.Qa4 Ke6 19.0–0 h5 20.a3 Qb8 21.Qc6 Bd6 22.ab4 Qb4 23.Bc3 Qe4 24.d4 Rh6 25.de5 Rg6 26.ed6 Qg2# 0–1. war_child – WirralBoy, ChessWorld.net, 2012.

4.Nf3 a6 (--> 2.Bb2 Bb7 3.e3 a6 4.Nf3 e6).

4.Nf3 a6 5.a3 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6).

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

4.Nf3 c6 5.a4 Nf6 6.ab5 Bb4 7.bc6 Bc6 8.c3 Bc5 9.d4 Bb6 10.Ne5 d6 11.Nc6 Nc6 12.Bb5 Rc8 13.Qf3 Qd7 14.c4 0–0 15.d5 Nb4 16.Bd7 1–0. Machete99 – Zecke, ICC, 2002.

4.Nf3 c6 5.c4 Bb4?? 6.cb5?! Nf6=.

4.Nf3 c6 5.c4 Bb4?? 6.Bg7 bc4 7.Bc4+–.

4.Nf3 c6 5.c4 bc4 6.Bc4 Nf6 7.a3 d5 8.Bb3 c5 9.Ba4 Nbd7 10.bc5 Bc5 11.d4 Bd6 12.Nc3 0–0 13.Nb5 Be7 14.0–0 Rb8 15.Ne5 (15.Na7? Qb6 16.Ne5 A) 16...Qb2 A1) 17.Nd7? Nd7 18.Bd7 Qb6–+ (18...Ba3?! 19.Nb5+=); A2) 17.Bd7 Ba6 18.Nac6 Ba3 19.Nb8 Bf1 20.Rb1=; B) 16...Qa7 17.Bd7 Ba8 18.Be6 fe6–+) 15...a6 16.Nd7 Qd7 17.Nc3 Bc6 18.Bc6 Qc6 19.Qc2 Rfc8 20.Rac1 Ne4 21.Qe2 Rb2 (21...Nd6!?–/+) 22.Nd5=+ ed5 (22...Qd5 23.Rc8) 23.Rc6 Re2 (23...Rc6?? 24.Qb2 Rd6 25.Qb7+–) 24.Rc8 Bf8 25.Rb1 (better is 25.Ra8=) 25...Ng5?? (25...Nd2!? 26.Rbc1 g6=+) 26.f4 (26.Kf1 Ra2 27.h4=) 26...Nh3?? (26...Ne4 27.Kf1 Rf2 28.Ke1 Rf1 29.Kf1 Nd2 30.Ke2 Nb1+/–) 27.gh3+– (27...Re3 28.Rbb8+–) 1–0. Borrmann,Fritz – Wartig,Wolfgang, email b4–00–01, 2000.

4.Nf3 Nc6 5.a3+= a5 6.Bb5 ab4 7.a4 (7.Bc6 Bc6 8.ab4 Ra1 9.Ba1 Ne7+=) 7...Na7 (7...Nf6 8.0–0=) 8.Bc4 (8.Be2 Nc6=) 8...d5 9.Bb3 (9.Be2 Nf6+=) 9...Nc6 (9...c5 10.d3=) 10.Qe2 Ba6 11.d3 Nf6 12.0–0 Ne4 (12...Bd6 13.Nbd2=) 13.Nfd2 (13.a5 Qd6+=) 13...h5 (13...Na5 14.Rd1=) 14.Qf3 (14.Nf3 Na5 15.Qd1 Nb3 16.cb3 Nc5=) 14...Nd2 (14...Nc5 15.Rc1+=) 15.Nd2 Qg5 16.Rfd1 (16.Qe2 Bd6+=) 16...Rh6 (16...Bd6 17.Nc4+=) 17.e4+= d4 (17...Na5 18.ed5 Bb7 19.Ne4+–) 18.e5!+/– Bb7 (18...Ne5 19.Qa8) 19.Bd4! Rb8? (19...Nd4 20.Qb7) 20.Be3+– Ne5? 21.Bg5 Nf3 22.Nf3 Rg6 23.h4 f6 24.Be6 fg5 25.Re1 Be7 26.Ng5 Bc8?? 27.Bf7 Kf8 28.Bg6 b3 29.Nh7 Kg8 30.Re7 Bb7 31.cb3 c5 32.Rae1 (32...Bc6 33.R1e5+–) 1–0. Rohrbacher,W – Wojsyk,G, Schwetzingen, 1994.

4.Nf3 Nc6 5.a3 a6 6.c4 bc4 7.Bc4 Nf6 8.0–0 d5 9.Bd3 Bd6 10.Qc2 e5 11.Ba6?? (better is 11.b5 Na5 12.Be5 ab5 13.Bb5 c6 14.Be2+/–) 11...Nb4?? (better is 11...Ra6 12.b5 Rb6 13.bc6 Rc6–/+) 12.ab4+– Ba6 13.Qc6 Nd7 14.Ra6 0–0 (14...Ra6 15.Qa6 e4+–) 15.Ra8 Qa8 16.Qd7 Rd8 17.Qg4 f6 18.Qe6 Kf8 19.Nc3 Bb4 20.Nh4 Rd6 (20...Qb7 21.Rb1+–) 21.Qg4 (21.Qg4 Qb7 22.Nf5+–) 1–0. Lauko,M (1985) – Lastovicka,Ja, 4th South Bohemia Open, 2010.

4.Nf3 f6 5.Nh4 (5.Bd4 Nc6=) 5...Bb4 6.Qh5 Ke7 (6...g6 7.Qb5 Nc6 8.Qb7+–) 7.Qb5 Bd2 8.Nd2 Bc6 9.Qh5 Qf8 (9...Qe8 10.Qg4 Kf7+–) 10.Ba3 (10.Ng6 hg6 11.Qh8 Nh6+–) 10...d6 11.Ng6! hg6 12.Qh8 (12...Bd5 13.e4+–) 1–0. Wall,Bill – Banker,Jay, internet, 2003.

4.Nf3 f6 5.Nh4 g6+=.

4.Nf3 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6).

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

4.Nf3 Nf6 5.c4 a6 6.a3 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.c4).

4.a3 a6

5.Nf3 d5 6.d3 c6 7.Nbd2 a5 8.Be2 ab4 9.ab4 Ra1 10.Qa1 f6 (10...Bb4?? 11.Bg7 Nd7 12.Bh8+–) 11.c3 Be7 12.0–0 Nh6 13.Nb3 e5 14.Qa7 Qc8 15.Nc5 (15.Na5 Ba6+/–) 15...Bc5+= 16.Qc5 Nd7 17.Qa7 0–0 18.Ra1 Nf7 19.Nd2 Nd6 20.Nb3 Qa8 21.Qa8 Ra8 22.Ra8 Ba8 23.Nc5 Nc5 24.bc5 Nb7 25.d4 ed4 26.cd4 Nd8 27.Bc3 Bb7 28.Ba5 Ne6 29.f3 h5 30.h4 g5 31.hg5 fg5 32.g3 Bc8 33.Kg2 Kg7 34.f4 gf4 35.gf4 Kh6 36.Kg3 (36.Bd2 Kg6 37.Bd3 Kf6=) 36...Ng7+= 37.Kh4?? (better is 37.Bf3+=) 37...Nf5–+ 38.Kh3 Ne3 (38...Ne3 39.Kh2 Bg4–+) 0–1. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.Nf3 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6).

5.Nf3 Nh6 6.c4 Qh4?? (better is 6...a5+=) 7.Nh4+– 1–0. Wall,Bill – Nadeem, chess.com, 2009.

4.Bb5?? Bb4?!

5.Nf3 Nf6= 6.a3 Ba5 7.0–0 a6 8.Ba4 0–0 9.d4 d5 10.Nbd2 Nbd7 11.c4 Bd2 12.Nd2 (worse is 12.Qd2 Nb6 13.Bb3 dc4+=) 12...dc4 13.Nc4 Nb6 14.Nb6 cb6 15.Qe2 Qd5 16.f3 Rfd8 17.e4 Qh5 18.Rfe1 1–0. Fournier,Frederic – Bessis,Stephane Albert, Active, 1994.

5.Qg4 Nf6 6.Qg3 0–0 =.

5.Qg4 Bf8 6.Bg7 +=.

5.Bg7 Nf6 6.Bh8 Bg2 7.a3 =.

5.Bg7 Nf6 6.Bh8 Bg2 7.c3 =.

5.Bg7 Nf6 6.Bh8 Bg2 7.Be2 Bh1 8.Bf3 Bf3 9.Qf3 +=.

4.Nf3 Bb4??

5.Bb5?! Nf6=.

5.Be2?? c5?? 6.Bg7+– Nc6 (7.Bh8 a6+–; 6...Ne7 7.Bh8 Ng6 8.Bg7+–). marcosr – stefandima (1790), net–chess.com, 2005.

5.Bg7 a6 6.Bh8+–.

5.Bg7 Bf3 6.Qf3 Bd2 7.Nd2 Ne7 8.Bh8 Ng6 9.Qa8 Nh8 10.Bb5 Na6 11.Qd8 (11...Kd8 12.Ba6+–) 1–0. Van Rooijen,Peter (1855) – Fuss,Robert, remoteschach.de, 2005.

5.Bg7 Nf6 6.Bh8 Bf3 7.Qf3 (7...Nd5 8.Bb5+–) 1–0. nordlicht – Sanji, mySchach.de, 2003.

3.e3 f6

4.Nf3 Nc6 5.a3+= e5 (5...a5 6.Bb5 ab4 7.Bc6 Bc6 8.ab4 Ra1 9.Ba1+=) 6.Bb5+/– a6 7.Bc4 a5 8.b5 Nce7 9.0–0 c6 10.a4 cb5 11.ab5 d5 12.Bb3 e4 (12...Nf5!? 13.d4 e4 14.Nfd2+–) 13.Nd4+– Nh6 14.f3 f5? (better is 14...Qd7+–) 15.fe4 de4 (15...Qd7 16.ed5 Nd5 17.Nc3+–) 16.Ne6 Qb6 17.Bd4 Qd6 18.Qh5 g6 19.Qh3 Bd5 (19...Nd5 20.Nf8 (worse is 20.Bh8 Qe6 21.Nc3 Qd6+–) 20...Qf8 21.Bh8 Qh8 22.Qh6 Qa1 23.Nc3+–) 20.Nf8 (20.Bh8?! Qe6 21.Ba4 Bc4+–) 20...Rf8 21.Bd5 Nd5 22.Qh6 0–0–0 23.Ra5 Nf6 24.Ra8 Kd7 25.Ra6 Qh2 26.Qh2 (26.Qh2 f4 27.Qh3 Kc7 28.Qe6 Rb8 29.Ra7 Rb7 30.b6 Kd8 31.Ra8 Rb8 32.Rb8) 1–0. Fournier,Frederic – NN, Active, 2011.

3.e3 Nf6

(--> 2.Bb2 Nf6 3.e3 Bb7).

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

3.e3 h5

4.Bb5?? Bg2 5.Ne2 Bh1 –+.

4.Nf3 a6 5.a4 f6 6.Nh4 c6 7.Be2+– Rh6?? 8.Bh5 g6 9.Bg6 Rg6 10.Qh5 d6 11.Qg6 Kd7 12.Qg8 Kc7 13.Ng6 Nd7 14.Nc3 Kb6 15.ab5 cb5 16.Nd5 Bd5 17.Qd5 Ne5 18.Bd4 Kc7 19.Be5 de5 20.Qd8 Kd8 21.Nf8 Ke8 22.Ne6 (22...Kf7 23.Nc5+–) 1–0. pcmvr (1700) – tmitchell (1710), net–chess.com, 2006.

4.Nf3+= Rh6 5.Bb5 Nc6 (5...Rb6!? 6.Be2 Rb4+/–) 6.a3+– e6 7.Be2 g5 8.c4 (better is 8.b5!? Na5 9.0–0+–) 8...g4+= 9.Ng1 (9.Nd4 Nd4 10.Bd4 Bg2 11.Rg1=) 9...Qg5 (better is 9...Nb4 10.Kf1 Na6=) 10.Nc3 Ne5 (better is 10...a5 11.b5 Nce7+/–) 11.f3?? (better is 11.e4 Ng6 12.d4+–) 11...gf3–+ 12.Nf3 Nf3?? (better is 12...Qg2 13.Rf1 Bf3 14.Rf3 Be7–+ (14...Nf3?! 15.Bf3 Qg1 16.Ke2 Qh2 17.Kd3–+; 14...Qh2?! 15.Qa4–+)) 13.Bf3+– (13.gf3?! Qg2 14.Rf1 Qh2=) 13...Bf3 14.Qf3 (14.gf3?! Qg2 15.Rf1 Qh2=) 14...Rb8 15.Ne4 Qg6 16.0–0 Rh7 17.Nf6 Nf6 18.Qf6 Qg4 19.Qf3 Qg6? 20.Qg3 Qe4?? 21.Qf3 Qg6 22.Qg3 Qh6?? 23.Qc7 Rd8 24.Qa7 h4 25.Qc7 h3 26.g3 Qh5 27.Rf2 Bg7 28.Bg7 Rg7 29.Qe5 Rg5 30.Qf4 Rf5 31.Qh4 Qh4 32.gh4 Rh5 33.Rf4 Ke7 34.Kf2 Rg8 35.Rg1 Rgh8 36.Rgg4 f5 37.Rg5 Rh4 38.Rh4 Rh4 39.c5 Kf6 40.Rg8 Rc4 41.Ra8 Rc2 42.Ke2 Rb2 43.Ra5 Ke5 44.b5 Kd5 45.c6! dc6 46.b6 c5+= 47.Ra6 Kc6 48.Kd3 Rb6 49.Rb6+/– (49.Rb6 Kb6 50.Ke2=) 1–0. Fournier,Frederic (1860) – neoshams (1655), Active (5/0), 2005.

3.e4 a5

4.a3 ab4 5.ab4 Ra1 6.Ba1 Be4 7.Nc3 Ba8 8.Nb5 Nc6 9.c3 e6 10.Nf3 =.

4.a3 ab4 5.ab4 Ra1 6.Ba1 Nf6 7.Nc3 e5 8.Qb1 Ne4=+ 9.Ne4 Be4 10.f3 Bc6 11.Be5? Qe7–+ 12.d4 f6 13.c3 fe5 14.de5 Qe5 15.Kd2 g6 16.Kc2 Bg7 17.Ne2 Qf5 18.Kb2 Qb1 19.Kb1 0–0 20.h4 Bd5 21.Nd4 Bd4 22.cd4 Rf4 23.Bb5 Rd4 24.Kc1 Rb4 25.Be2 Nc6 26.g3 Nd4 27.Kd2 Rb3 28.Rc1 Ne2 29.Ke2 Bf3 30.Kf2 Bc6 31.Re1 Rf3 32.Kg1 (32.Kg2 Bd5–+) 0–1. boldeagle – Double Wood, ChessWorld.net, 2005.

4.a3 Be4 5.Nc3 Bb7 6.Nb5 ab4 7.Qg4 Nf6 8.Qb4 Nc6 9.Qb3 e6 10.Be2 =.

4.a3 e6 5.f3 (5.ba5 Ra5 6.Bc3 Ra4 7.Bb5 Re4 8.Kf1 Qg5 9.Bd3 Re1 10.Ke1–/+) 5...c6 6.a4 ab4 7.ab5 Ra1 8.Ba1 d5 9.ed5 Qd5 10.Bd3 =.

4.ba5 Ra5 (4...Be4 5.Nc3 Bc6 6.Nb5 e6 7.Nf3 Ra5 8.a4 Nf6 9.Bc3 Ra8 10.Bf6+=; 4...Nf6 5.e5 Nd5 6.Nc3 Ra5 7.Nb5 Nf4 8.Nf3 Ng2 9.Bg2 Rb5 10.Bc3+=) 5.Bc3 Ra7 6.Bb5 Be4 7.Nf3 e6 8.0–0 Nf6 9.a4 Bc5 10.d4 +=.

4.Bb5 A) 4...ab4 5.f3 (5.d3 e6 6.a4 ba3 7.Na3 Ba3 8.Bg7 Qg5 9.Bh8 Qb5 10.Rb1=) 5...e5 6.a3 c6 7.Bd3 ba3 8.Na3 Nf6 9.Nc4 Ra1 10.Ba1=; B) 4...Nf6 5.ba5 (5.f3 ab4 6.a4 e6 7.Ne2 c6 8.Bd3 Bc5 9.e5 Nd5 10.c4=) 5...Ne4 6.Nf3 Ra5 7.Qe2 e6 8.0–0 Nd6 9.Bd3 Nc6 10.a3=; C) 4...Be4 5.f3 Bf5 6.a3 e6 7.h4 c6 8.Be2 h5 9.ba5 Qc7 10.Kf2+=.

4.f3 A) 4...ab4 5.Bb5 e5 6.a3 c6 7.Be2 Qg5 8.g3 ba3 9.Na3 d5 10.ed5+=; B) 4...Nc6 5.a4 (5.Bb5 ab4 6.Nh3 Nf6 7.d4 e6 8.0–0 Be7 9.a3 0–0 10.Qd3=) 5...e6 6.ab5 Nb4 7.c3 Be4 8.cb4 Bb1 9.Qb1 Qh4 10.g3+–; C) 4...e6 5.a4 (5.Bb5 ab4 6.a4 Nf6 7.Nh3 Be7 8.0–0 0–0 9.d4 d5 10.e5=) 5...Nf6 6.Bb5 Bb4 7.Nc3 0–0 8.Na2 Be7 9.Rb1 Nc6 10.Ne2=.

3.e4 Be4

4.Nc3 Bb7 5.Nb5 e6 6.a3 a5 7.ba5 Ra5 8.Nf3 Nf6 9.Be5 Na6 10.d4 =.

4.Nc3 Bc6 5.Nb5 a6 6.Nd4+= e6 7.Nc6 Nc6 8.a3 d6 9.Nf3 d5 10.Be2 Nf6 11.c4 Ne4 (better is 11...Qd7!?+/–) 12.Qa4+– Qd6? (better is 12...Qd7 13.cd5 Nd8 14.Qd7 Kd7+–) 13.Ne5 dc4 14.Qc6 Qc6 15.Nc6 Nd6 16.Rc1 f6 17.Bc4 Nc4 18.Rc4 Bd6 19.0–0 0–0 20.d4 h6 21.Re1 Rfe8 22.h3 Kh7 (22...Kf7 23.Kf1+–) 23.Bc1 f5 (23...g5 24.Rc3+–) 24.Rc2 f4 (24...Kg6 25.Rce2+–) 25.Rce2 h5 (25...Rf8 26.Re6 Rf5 27.Ne5+–) 26.Re6 (26.d5 g5+–) 26...Re6 27.Re6 Rf8 28.Ne5 Be5 (28...Rf5 29.Nc4+–) 29.de5 (29.de5 Ra8 30.Bf4+–) 1–0. Kuhlmann,Antonius Egidius – Falke,K, CiF, 1988.

4.Nc3 Bc6 5.Nb5 Nf6 6.Nd4 Be4 7.Ngf3 e6 8.b5 a6 9.Be2 ab5 10.Nb5 =.

4.Nc3 Bc6 5.Nb5 Nf6 6.Nf3 =.

4.Nf3 a6 5.a4 e6 6.ab5 ab5 (6...Bb4?? 7.Bg7 (7.ba6?! Nf6+=) 7...ab5 8.Ra8 Ba8 9.Bh8+–) 7.Ra8 Ba8 8.Bb5 Nf6 9.Bc3 Be7 10.0–0 0–0 11.d3 (11.Bf6 Bf6 12.c3 d6=) 11...Nc6 (11...Nd5 12.Bd2 Bb4 13.Bb4 Nb4 14.c3–/+) 12.Qd2 (12.Bf6 Bf6 13.c3 Qb8=) 12...Nd5 13.Bc6 Bc6 14.Na3? (14.Nd4 Bb7+=) 14...Qb8 (better is 14...Nc3!? 15.Qc3 Bf3 16.gf3 Bd6–+) 15.b5–/+ Ba3 (15...Bb5!? 16.Nb5 Qb5 17.Bg7 Kg7–/+) 16.bc6= Nc3 17.Qc3 Bb4 18.Qb3 d6?? (better is 18...Bd6 19.Qb8 Rb8 20.cd7 Rd8=) 19.Rb1+– 1–0. kianas – retiponziani, ChessWorld.net, 2012.

3.f3 a5

4.ba5 Ra5 5.Bc3 Ra6 6.e3 c6 7.Bd3 d5 8.Ne2 c5?? 9.a3?? c4 10.Bf5 e6 11.Bh3 Bd6?? 12.Nd4 Rb6?? 13.Ba5 Qh4= 14.Ke2 Ra6 15.Nb5 Be5 16.Nc7 Kd7?? 17.Na6+– Ba6 18.c3 Nf6 19.Qa4 Nc6+/– 20.Bb6 Ra8 21.Bc5 Nh5 22.g3?? Bg3 23.d3?? Qh3 24.Nd2 Qg2 25.Kd1 Qh1 26.Kc2 Qa1 27.Nb1 cd3 28.Kc1 d2! 29.Kd2 Qb1 30.hg3 Qd3 (31.Kc1 Ng3–+; 30...Ng3 31.Qa6 Ra6 32.e4 Ne5 33.Ke3 Qd3 34.Kf2 Qf3 35.Kg1 Ne2 36.Kh2 Ng4#) 0–1. Gregor123 – dz@, mySchach.de, 2005.

4.e4 =.

3.Nf3 a5

4.a3 a4?? 5.e3 c6 6.c4 Ba6 (6...bc4 7.Bc4 d5 8.Bd3+/–) 7.c5 (better is 7.cb5!? cb5 8.Nc3+–) 7...d6+/– 8.d4 dc5 9.dc5 Nf6 (9...Qd1!? 10.Kd1 Nf6+/–) 10.Qd8 Kd8 11.Bd3 Nbd7 12.Nbd2 g6 13.Rd1 Bg7 14.Ne4 Kc7 15.Nf6 Bf6 16.Bf6 ef6 17.0–0 Ne5 18.Ne5 fe5 19.Rd2 f5 20.e4 f4 21.Bb1 Bc8 22.Ba2 Bd7 23.Rfd1 Rad8 24.f3 g5 25.h3 h5 26.Rd6 g4 27.hg4 hg4= 28.Rg6 g3 29.Rdd6 Rhe8 30.Rh6 Re7 31.Kf1 Be8 32.Rd8 Kd8 33.Rd6 Kc7 34.Be6 Bd7 35.Bd7 Rd7 36.Rd7 Kd7 37.Ke2 Ke6 38.Kf1 ½–½. kansasjayhawk – spensley, Gameknot.com, 2013.

4.a3 ab4 5.ab4 Ra1 6.Ba1 =.

4.a3 e6 5.e3 ab4 (5...c6 6.a4=) 6.ab4 (6.Bb5 Ra5 7.Be2 Nf6+=) 6...Ra1= (6...Bb4? 7.Ra8 Ba8 8.Bg7+– (8.Bb5?! Nf6=)) 7.Ba1 c6 8.Bd3 Na6 9.c3 Nf6 10.0–0 Bd6 11.Na3 Bb8 12.Bb1 d5 13.d4 Ng4 14.e4 de4=+ 15.Be4 Nh2 16.Re1 Nf3 17.Qf3 Qb6 18.c4 bc4 19.b5= Nb4 20.Rb1 Nd5=+ 21.Nc4 Qc7 22.bc6 Bc6 23.Ne5= f5 24.Nc6 Qh2? 25.Kf1+– 0–0? 26.Qh3 fe4 27.Rb8?? Qd6= 28.Rf8 Kf8 29.Qh7 Qc6 30.Qh8 Kf7 31.Qh5 g6 32.Qd1 e3=+ 33.g3 Qa6–/+ 34.Ke1 Qa2 35.fe3=+ Qg2 36.Qf3?? Kg7 37.Qg2+– (37...Ne3 38.Qe4+–) 1–0. Forman,Stepan – Koper,Stefan (2015), CZE Czechia–ch, 1995.

3.Nf3 a6

(--> 2.Bb2 a6 3.Nf3 Bb7).

4.e3 (--> 2.Bb2 Bb7 3.e3 a6 4.Nf3).

3.Nf3 d6

3.Nf3 e6

4.a3 a5!?= A) 5.ba5 Ra5 (5...Nf6 6.Bc3 Bd5 7.e3 c6 8.d3 Bf3 9.Qf3 Nd5 10.Bd2 Na6+=) 6.e3 Nf6 7.Nd4 c6 8.Nc3 d5 9.Nb3 Ra8 10.a4 b4=; B) 5.Nd4 ab4 (5...e5 6.Nb5 c6 7.N5c3 ab4 8.ab4 Ra1 9.Ba1 Bb4 10.Na2 Bd6=) 6.Nb5 Nf6 7.ab4 Ra1 8.Ba1 c6 9.N5c3 Bb4 10.e4 d6=; C) 5.e3 ab4 (5...c6 6.ba5 Ra5 7.c4 Nf6 8.Qb3 Qb6 9.Bd4 c5 10.Bf6 gf6+=) 6.Bb5 Nf6 7.0–0 Be7 8.ab4 Ra1 9.Ba1 Bb4 10.Ne5 0–0=.

4.a3 a6 A) 5.Nc3 Nf6 (5...c5 6.bc5 Bc5 7.Ne4 Be4 8.Bg7 Bf3 9.ef3 Bd4 10.Bd4 Nf6+/–) 6.e3 c5 7.bc5 Bc5 8.d4 Be7 9.Bd3 0–0 10.0–0 d5=; B) 5.e3 d5 (5...Nf6 6.c4 bc4 7.Bc4 d5 8.Be2 c5 9.bc5 Bc5 10.Nc3 0–0=) 6.Be2 Nf6 7.0–0 Bd6 8.a4 ba4 9.c3 Bc6 10.Na3 0–0=; C) 5.d4 a5 (5...Nf6 6.e3 Be7 7.c4 bc4 8.Bc4 0–0 9.0–0 Re8 10.Nc3 Nd5+=) 6.e3 c6 7.ba5 Qa5 8.Bc3 Qa4 9.Bd3 Nf6 10.0–0 Be7=.

4.a3 Bd6?? 5.e3 (better is 5.Bg7 Bf3 6.ef3+– (6.Bh8?! Bc6+–)) 5...Nf6+/– 6.Bb5 0–0 7.Be2 e5 8.c4 e4 9.Nd4 Be5 10.Qc2 d6 11.Nf5 Qd7 12.Nc3?? (better is 12.Ng3 Bb2 13.Qb2+/–) 12...Qf5–+ 13.f3 Rd8 (better is 13...Qg5!? 14.0–0 ef3 15.Bf3–+) 14.fe4 Ne4 15.Nd5? (better is 15.Bf3 Bc3 16.Bc3–+) 15...Qf2 16.Kd1 Qg2 17.Rf1 Qh2 (better is 17...Bd5 18.cd5 Bb2 19.Qb2 Qh2–+) 18.Qe4–/+ Nd7 (18...Bb2!? 19.Rb1 c6 (worse is 19...Ba3 20.Ne7 Kf8 21.Qb7+/–) 20.Ne7 Kf8 21.Rb2 Qe5 22.Qe5 de5–/+) 19.Ne7 Kf8 20.Qb7 Ke7 (20...Bb2 21.Ra2 Ke7 22.Rb2=) 21.Be5 de5 22.Qc7 Rdc8 23.Qa5 Qg2 24.Qd5 Qd5+= 25.Rf7?? Qf7–+ 26.c5 Qb3 27.Ke1 Qb2 28.Rd1 Qa3 29.Bf3 Rab8 30.d3 Qb4 31.Ke2 Rc5 32.d4 Qb2 33.Rd2 Rc2 (33...Rc2 34.Bh1 Rf8 35.Rc2 Qc2 36.Ke1 Rf2 37.de5 Qd2) 0–1. keeder – gordiemac, ChessWorld.net, 2011.

4.a3 Nf6 A) 5.e4 a6 (5...Be4 6.Bb5 c6 7.Be2 a5 8.b5 d5 9.Nc3 Bf3 10.Bf3 Bd6=) 6.e5 Nd5 7.d3 a5 8.c4 Nf4 9.Bc1 Ng6 10.cb5 ab4=; B) 5.Nc3 a6 (5...a5 6.Nb5 c6 7.Bf6 gf6 8.Nbd4 ab4 9.ab4 Ra1 10.Qa1 Bb4=) 6.e3 c5 7.bc5 Bc5 8.Be2 0–0 9.0–0 Nc6 10.d4 Be7=; C) 5.e3 c6 (5...a6 6.c4 bc4 7.Bc4 d5 8.Be2 c5 9.bc5 Bc5 10.Nc3 0–0=) 6.c4 bc4 7.Bc4 d5 8.Be2 a5 9.ba5 Bd6 10.Be5 c5=.

4.a4 A) 4...ba4 A1) 5.Ra4 Nf6 (5...Bc6 6.Ra1 Nf6 7.c3 Be7 8.e3 0–0 9.Be2 Bf3 10.Bf3 d5=) 6.Nc3 Na6 7.Ba3 c5 8.b5 Nb4 9.Bb2 a6 10.e3 ab5=; A2) 5.Bc3 Ne7 (5...Nf6 6.e3 c5 7.b5 a6 8.Ra4 Bd6 9.d4 0–0 10.Bd3 ab5=) 6.Ra4 Bc6 7.Ra5 Nd5 8.b5 Nc3 9.Nc3 Bb4 10.Ra2 Bb7+=; A3) 5.e3 a3 (5...Nf6 6.Ra4 Nd5 7.c3 Bd6 8.d4 Nb6 9.Ra1 0–0 10.Bd3 f5+=) 6.Ra3 Nf6 7.Ra4 Nd5 8.c3 Bd6 9.d4 0–0 10.Nbd2 Nb6=; B) 4...Nf6 B1) 5.ab5 Bb4 6.e3 a6 7.Ra4 Bc5 8.d4 Be7 9.ba6 Na6 10.Bb5 Nb4=; B2) 5.c3 ba4 (5...a5 6.ab5 ab4 7.Ra8 Ba8 8.e3 Bd6 9.Be2 0–0 10.cb4 Qe7=) 6.Qa4 c5 7.e3 a6 8.Be2 cb4 9.cb4 Nd5 10.0–0 Bc6+=; B3) 5.e3 Bb4 6.ab5 a6 7.Ra4 Bc5 8.d4 Be7 9.Nbd2 0–0 10.Qa1 Nd5=.

4.d4 Bb4 5.c3 Be7 –/+.

4.d4 Nf6 5.Nc3 (5.e3 Bb4 6.c3 Be7 7.Bb5 a6=) 5...a6 (better is 5...Bb4!? 6.Nd2 a6–/+) 6.a3= d6 7.Qd3 Be7 8.e4 0–0 9.Be2 c5 10.0–0 c4 11.Qe3 Nbd7 12.e5 de5 13.de5 Nd5 14.Qd2 Nc3 15.Bc3 Nb6 16.Rfd1 Nd5 17.h3 Nc3 18.Qc3 Qc7 19.Rd4 a5 20.Rad1 ab4 21.ab4 Ra4?? (better is 21...Bd5–/+) 22.Rd7+– Qc6 (22...Bb4 23.Rc7 Bc3 24.Rb7+–) 23.Re7 Rfa8 24.Rd6 Ra1 25.Kh2 Qe4 26.Red7 h6 27.Qd2 Bd5 28.Rd8 Rd8 29.Rd8 Kh7 30.Rb8 Bc6 31.Rd8 Ra2?? 32.Bd1+– Qf5 33.Qd6 Bf3 34.gf3 Qf4 35.Kg2 Qg5 36.Kf1 Ra1 37.Qd4 Rb1 38.c3 Qh5? 39.Qe4 g6 40.Qb1 Qh3 41.Ke2 Qh4 42.Rd4 Qg5 43.Bc2 Qe5 44.Kf1 Qh5 45.Rg4 Qh3 46.Ke2 f5 47.Rg3 Qh5 48.Qf1 g5 49.Rh3 Qe8 50.Qg2 Qc6 51.Qg5 (51.Qg5 e5 52.Bf5 Kh8 53.Rh6 Qh6 54.Qh6 Kg8 55.Be6) 1–0. Bopeep – retiponziani, ChessWorld.net, 2012.

4.e3 (--> 3.e3 e6 4.Nf3).

4.e3 a6 (--> 3.e3 a6 4.Nf3 e6).

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

4.g3 Bb4?? 5.Bg7 e5 6.Bh8 +–.

3.Nf3 f6

4.Nc3 c6 (4...a5 5.a3 ab4 6.ab4 (worse is 6.Nb5 c6–/+) 6...Ra1 7.Qa1=) 5.d4 (5.e4 a5 6.ba5 Ra5+=) 5...d5 6.e4 e6 7.ed5 ed5 8.Bd3 (8.a3 a5 9.ba5 Ra5+=) 8...Bb4+= 9.0–0 Ne7 10.Ne2 g6 (10...Bc8 11.a4=) 11.c3 Ba5 12.Nf4 (12.a4 a6=) 12...Qd7 (12...Qd6 13.Ne2=) 13.Re1 g5? (better is 13...0–0!?=) 14.Ne6 (better is 14.Ba3 b4 15.cb4+–) 14...Kf7?? (better is 14...Qd6 15.Qb3 Bc8+–) 15.Nc5 (better is 15.Nfg5 Kg8 16.Bh7 Rh7 17.Nh7+–) 15...Qc7 16.Qe2 Re8?? 17.Qe6 Kg7 18.Qh3 h6 19.Ne6 Kf7 20.Nc7 Bc7 21.Qh6 Rg8 22.Qh7 Kf8 23.Qe7 1–0. Mr.Oldenslo – Jaime532133, ChessWorld.net, 2010.

4.e3 g6 (4...a6 5.a4 e5 6.c3 ba4 7.Qa4=) 5.c4 (5.Bb5 e5+/–) 5...a6 (5...e5!?+=) 6.cb5+/– ab5 (6...Bg7 7.d4+/–) 7.Bb5 c6 (7...Nc6 8.a3+–) 8.Bc4 (8.Be2 Qb6 9.Bc3 Na6+–) 8...Bg7 (8...d5 9.Be2+/–) 9.0–0+– Nh6 (9...d5 10.Be2+–) 10.Nd4 (10.a4 d5 11.Be2 0–0+–) 10...d5 (10...Na6 11.a3+/–) 11.Bd3 (11.Ne6 Qd6 12.Ng7 Kf7+–) 11...e5 (11...Qd6 12.a3+/–) 12.Nb3 (12.Ne6 Qe7 13.Ng7 Qg7+–) 12...e4 (12...Qb6 13.a3+/–) 13.Be2 0–0 (13...Ba6 14.d3+/–) 14.Nc5 (14.d3 ed3 15.Bd3 Nd7+–) 14...Qe7+/– 15.Nb7 (15.a3 Na6 16.Nb7 Qb7+–) 15...Qb7 16.a3 (16.Bc3 f5+/–) 16...Nd7 (16...f5 17.Bg7 Qg7 18.Nc3+/–) 17.Bd4 (17.d3 f5 18.Bg7 Kg7+–) 17...f5 (17...Nf5 18.Bc3 Ne5+/–) 18.Nc3 (18.Bg7!? Kg7 19.d3+/–) 18...Bd4+= 19.ed4 Nf7 (19...Qb6!?+=) 20.d3+/– Rae8 (20...Nd6 21.Qd2+/–) 21.de4 (21.Qd2 Nd6+/–) 21...fe4 22.Bg4 (22.Qd2 Nd6+/–) 22...Nf6 (22...Nb6 23.Na4 Na4 24.Qa4+/–) 23.h3 (23.Na4 Nd6+/–) 23...Ng5 (23...Ng4 24.Qg4 Nd6 25.Ne2+=) 24.Na4 (24.Qd2 Nf7+/–) 24...Kg7 (24...Ng4 25.Qg4 Ne6 26.Nc5+/–) 25.Nc5 Qe7 26.f4 Nf7? 27.f5 Ng4+/– 28.hg4 g5?? 29.f6+– Qf6 30.Rf6 Kf6 31.Nd7 Ke7 32.Nf8 Rf8 33.Qa4 Kd7 34.Qa7 Ke6 35.Rf1 h6 36.Qb6 Rc8 37.Qb7 Nd6 38.Qh7 (38.Qh7 Re8 39.Qh6 Kd7 40.Rf6+–; 38.Qg7 Rf8 39.Rf8 Nf7 40.Qf7 Kd6 41.Rd8) 1–0. Nautiluschess – Specht, ICS blitz, 2001.

3.Nf3 Nf6

4.a4 d5 5.ab5 e6 6.Ne5 (6.Ba3 a6 7.e3 ab5 8.Bb5 c6=) 6...Bb4 7.c3 (7.e3!?+=) 7...Bd6+= 8.d4 Nbd7 9.Nd7 Nd7 (9...Kd7?! 10.e3=) 10.e3 Nb6 (10...0–0 11.Bd3+=) 11.Bd3 Qb8 (11...Nc4 12.Qc2+=) 12.Qb3 c6 13.bc6 Bc6 14.Ba3 0–0 (14...Bh2? 15.Qb4 Nc8 16.g3 Bg3 17.Rh7+– (17.fg3?? Qg3 18.Kd2 Qg2 19.Be2 Qh1–+)) 15.Bd6 Qd6 16.0–0 Rfb8 17.Nd2 Nc4 18.Nc4 dc4 (18...Rb3?? 19.Nd6 a5 20.Rfb1 Rb1 21.Rb1+–) 19.Qc4 Bd5? (19...Bb5 20.Qb5 Rb5 21.Bb5=) 20.Qc5 (better is 20.Qa6!? Qa6 21.Ba6+–) 20...Qc5= 21.dc5 Rc8? (21...a5!?=) 22.e4 Bb7 23.c6 (better is 23.Rfb1 Bc6 24.Ba6+/–) 23...Bc6= 24.Ra3 (24.Ba6!? Rcb8 25.f3=) 24...Rd8+= 25.Bb1 a5 26.e5 Bd5 (26...Rd2 27.Ra2 Ra2 28.Ba2–/+) 27.f4 a4 28.Bc2 Bc6 29.Rfa1 Rd2 30.g3?? (better is 30.Ba4 Rg2 31.Kf1=) 30...Rc2–+ 0–1. croach (2360) – grahamtrue (2295), net–chess.com, 2015.

4.a4 Ne4 5.ab5 e5 6.Be5 Bb4 7.Bg7 Rg8 8.Bb2 Bc5 9.e3 Rg5 10.Ng5 f6 11.Qh5 Kf8 12.Qf7 1–0. Bonetti,Shane – comepieces, ICC, 2002.

4.d4 Nc6 5.e3 Nb4 6.Bb5 c6 7.Bd3 e6 8.a3 Nd3=+ 9.Qd3 c5 10.Nbd2 Bd5 11.dc5 Bc5 12.0–0 0–0 13.Ng5+/– g6 14.e4 Bc6+= 15.Qc3 d5?? 16.Qc5+– Qd7 17.Bf6 Rfc8 18.Qe3 h6 19.Qh3 Bb5 20.Qh6 (20...Bf1 21.Qg7#) 1–0. Bell,Alexander – Grayling, compuserve, 1998.

4.d4 e6 5.e3 =.

4.e3 (--> 3.e3 Bb7 4.Nf3).

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

4.e4 a6 5.e5 Nd5 =.

4.g3 e6 5.Bg2 Bb4 6.Nc3 0–0 7.Nb5 c6 8.Bf6 gf6 (worse is 8...Qf6 9.Nc7+/–) 9.Rb1 Bd2?? (better is 9...a5 10.Nc3 Ba6+=) 10.Nd2+– (10.Kd2?! cb5 11.Rb5 Bc6=; 10.Qd2?! cb5 11.Rb5 Bd5+/–) 10...Qc8 (10...d5 11.Nd4 Qe7+–) 11.Nd6 Qc7 (11...Qc7 12.Nb7 d5+–). zsedwardson – gordiemac, ChessWorld.net, 2012.

2.Bb2 Nc6

3.a3 a6 (--> 1.b4 a6 2.Bb2 Nc6 3.a3 b5).

3.a3 Nd4?? 4.Bd4+– h5 (4...a5 5.e3+–) 5.e3 h4 (5...Bb7 6.Nf3+– (6.Bb5 Bg2 7.Nc3 Bh1–/+)) 6.h3 Rh5 7.Qh5 g6 8.Qh4 f6 9.Bd3 g5 10.Bg6 1–0. Fournier,Frederic (1820) – chino1961 (1630), Active (5/0), 2005.

3.Na3 Rb8 4.c3 e5 5.e4 Nf6 6.d3 (6.Bb5 Ne4 7.Qe2 Nf6) 6...h5 (6...Be7 7.Nf3=+) 7.h3 Rh6 (7...d5!?=) 8.Nf3 d6 9.Nb5?? (better is 9.d4 a6 10.d5) 9...Rb5–/+ 10.a4 (10.Bc1 Rh8–+) 10...Rb7–+ 11.Be2 Be6 12.b5 Na5 13.0–0 c6 14.d4 (14.c4 a6–+) 14...ed4 (14...Ne4 15.de5 Bc4 16.Re1–+) 15.Nd4 (15.Bc1 Rg6 16.bc6 Rc7–+) 15...Ne4 16.c4 c5 (better is 16...d5–+) 17.Nf3? (17.Ne6 fe6 18.Bh5 g6–/+) 17...Bc4 18.Nd2?? Qh4 19.Qe1?? Re7 20.Nc4= Ng5 21.Na5 Rhe6 22.Ra3 Re2–/+ 23.Qd1? Qe4?? 24.Bc3? g6?? 25.Bf6 Nh3 26.gh3 Re5?? 27.Be5+– Qe5 28.Nc6 Qb2 29.Re3 Re3 30.fe3 c4 31.Na7 c3 32.Qc1 d5 33.Qb2 cb2 34.Rb1 Bg7 35.b6 Kd8 36.a5 d4 37.e4 d3 38.Kf1 Bd4 39.Ke1 g5 40.Nb5 Be5 41.b7 f6 42.Kd2 g4 43.hg4 hg4 44.Kd3 g3 45.Ke2 g2 46.Kf2 g1Q 47.Kg1 Kd7 48.a6 Kc6 49.a7 Kb7 50.Kf1 Bd4 51.Ke2 Ba7 52.Na3 Bd4 53.Nc4 Kc6 54.Na3 Kc5?? 55.Kd3+– Kb4 56.Nc2 Kb3 57.Kd4 Kc2= 58.Rb2 Kb2 59.Kd5 Kc3 60.Ke6 Kd4 61.Kf5 Kd3 62.Kf4 Kd4 63.Kf3 Ke5 64.Ke3 f5 65.ef5 Kf5 66.Kf3 ½–½. yeatond – dwitman, net–chess.com, 2005.

3.a4 d6 4.ab5 Nb4 5.c3 (better is 5.e4 Rb8 6.Ba3+–) 5...Nd5+= 6.c4 Nb4 7.Nf3 Bf5 8.d3 Qd7 (8...a5!?+=) 9.e4 Bg6 10.Nc3 Qe6?? (better is 10...a5+/–) 11.Qa4+– c5 (11...Nd3 12.Bd3 Qd7 13.Nh4+–) 12.bc6 (12...Qc8 13.Qb4+–) 1–0. Wall,Bill – Phillio, Microsoft Gaming Zone, 2004.

3.d4 Nb4=+ 4.e4 c6 5.c3 Na6 6.Nf3 Nb8 (6...Nf6 7.Bd3=+) 7.Bd3= a5 8.0–0 a4 9.Nbd2 Ba6 10.h3 Nf6 11.a3 e6 12.c4 (better is 12.Rb1=) 12...b4?? (better is 12...bc4 13.Be2 d5=+) 13.ab4+/– Bb4 14.Ra4 Bd2 15.Qd2 h5? (15...d5!? 16.ed5 cd5) 16.Ng5 (16.e5 Ng8+–) 16...g6 (16...d5 17.Rfa1 de4 18.Ne4 Ne4 19.Be4+–) 17.c5 (better is 17.e5!? Nh7 18.Ne4 0–0+–) 17...Bd3 18.Ra8 Ne4 19.Ne4 Be4 20.Qb4 Ke7?? 21.d5! Re8 22.d6 Kf8 23.Qe4 Kg8 24.Qe5 f6 25.Qf4 Rf8 26.Qh6 Kf7 27.Qh7 Ke8 28.Rb8! Qb8 29.Qe7 1–0. I need chocolate... – arian1230, ChessWorld.net, 2005.

3.e3 e5 4.Bb5 Nb4 5.a3 c6 6.Bc4 Nd5 7.Bd5 cd5 8.Be5 Qe7 9.Bd4 Nf6 10.Nc3 Bb7 11.Nge2 a6 12.Nf4 h6 13.Rb1 Bc6 14.a4 g5 15.Nfd5 Nd5 16.Bh8 Nc3 17.Bc3 Bg2 18.Rg1 Qe4 19.Rb2 Bf3 20.d3 Qc6 21.Qd2 Rc8 22.Bd4 Qa4 23.Rb3 a5 24.Rg3 g4 25.Rf3 gf3 26.Qd1 Qa2 27.c4 Bb4 28.Kf1 Rc6 29.Rb2 Qa3 30.Qc2 Qa1 31.Rb1 Qa3 32.Ra1 Qa1 33.Ba1 Rg6 34.Qd1 1–0. Machete99 – guest1225, ICC, 2002.

3.e4 a5 =.

3.e4 a6 4.a3 e5 5.Nf3 d6 6.c4 bc4 7.Bc4 Qe7 8.Bd5 Bb7 9.Qc2 Qd7 10.0–0 Ra7 11.Rc1 Nge7 12.Bb3 f6 13.Ba4 Kd8 14.d4 d5 15.de5 Qe6 16.Nd4 Qd7 17.ef6 gf6 18.Nc6 Bc6 19.Bc6 Qc6 20.Qc6 Nc6 21.Bf6 Kd7 22.Bh8 de4 23.Nc3 Bh6 24.Rd1 Kc8 25.Ne4 Kb7 26.Rd7 Ra8 27.Rh7 Bg5 28.Ng5 1–0. pumpkin – maviay (2095), net–chess.com, 2014.

3.e4 e6 4.Nf3 (4.a4 ba4 5.b5 Nb8) 4...Nge7 (4...Nb4 5.Bb5 Rb8 6.Nc3=) 5.d4 (5.Bb5 Nb4 6.a3 Rb8) 5...Ng6 (5...Nb4 6.Qd2 Na6 7.Bb5) 6.a3 a6 7.c4 (7.d5 ed5 8.ed5 Nce7) 7...bc4 8.Bc4 d5 9.ed5 ed5 10.Bd3 (10.Bb3 Qe7 11.Ne5 f6 12.Bd5 Bd7) 10...Qe7= 11.Qe2 (11.Kd2 Qf6=) 11...Nf4 12.Qe7 Be7 13.Bc2 (13.Bf1!?=) 13...Ng2–/+ 14.Kf1 (14.Kd2 0–0–/+) 14...Bh3 15.Ke2 (15.Ba4 Nf4 16.Ke1 Bd7 17.Bc6 Bc6–/+) 15...0–0 16.Bc1 (16.Rg1 Rab8–/+) 16...Rfe8 (better is 16...Bg4 17.Be3 Bf6–+) 17.Kd1?? (better is 17.Kd3!?–+) 17...Bf6 (better is 17...Bg4 18.Nbd2 Nd4 19.Rg1–+) 18.Nc3?? (18.Ba4 Nd4 19.Nd4 Bd4 20.Be8 Re8 21.Ra2 Bg4 22.Kd2–+) 18...Bg4 19.Nd5 (19.Kd2 Bf3 20.Ba4 Nd4 21.Be8 Nb3 22.Kd3 Re8 23.Rb1–+) 19...Bf3 20.Kd2 Bd5 (21.Bb2 Nf4–+) 0–1. Kaczmarek,Michal – Kuyumcuoglu,Arman, IECC, 1998.

3.Nf3 Nb4 4.e3 a6 5.d4 (5.a4 ba4 6.Ra4 Nc6=+) 5...Nc6 (5...Bb7 6.a4 Be4 7.Na3=+) 6.d5 Na7 7.Be2 Bb7 8.e4 c6 9.0–0 cd5 10.ed5 e6 11.de6 de6 12.Qe1 (12.Nbd2 Nf6=+) 12...Qb6 (12...Rc8 13.Qc1–/+) 13.c4 (13.Nbd2 Rd8=+) 13...bc4–/+ 14.Be5 Bb4 (14...f6 15.Bd4 Bc5 16.Bc3–/+) 15.Qd1 (better is 15.Nbd2!? Nf6 16.Nc4=) 15...Rd8 16.Qc2 f6 17.Bd4? (better is 17.Bc3–/+) 17...Qc7?? (better is 17...Rd4 18.Nd4 Qd4 19.Qc4 Qc4 (19...Qa1 20.Qb4 Bd5 21.Nc3+–) 20.Bc4 Ke7–+) 18.Ba7+= Ne7? (18...Bd6 19.Qa4 Qd7 20.Qc4 Bf3 21.Bf3 Qa7 22.Qe6 Ne7 23.Rc1+=) 19.Nd4 (better is 19.Qa4 Nc6 20.a3+–) 19...0–0? (better is 19...Bd5!? 20.Qa4 Rd7 21.Qb4 Qa7+/–) 20.Ne6+– Qe5? (20...Qc6 21.Nf4 Rc8+–) 21.Nd8 Qa1 (21...Bd5 22.Bc4 Rd8+–) 22.Qc4 (better is 22.Nb7 Rc8+–) 22...Kh8 (22...Bd5 23.Qb4 Qe5 24.Bc5 Rd8 25.Be7+–) 23.Nf7 (23.Qb4 Qe5 24.Nb7 Qe2+–) 23...Kg8 (23...Rf7 24.Qf7 Bd5 25.Qf8 Bg8+–) 24.Qb4 Kf7 (24...Qa2 25.Bc4 Qc4 26.Qc4+– (26.Qe7?! Bg2 27.Nh6 gh6+/–)) 25.Bc4 Kg6 (25...Bd5 26.Nc3 Qf1 27.Kf1+–) 26.Qb7 (better is 26.Qe7!? Bg2 27.Kg2 Qe5 28.Qf8 Qe4 29.Kg3 Qc4+–) 26...Nf5 (26...Qe5 27.Qa6 Nd5 28.Rd1+–) 27.Bd3 Qe5 28.g4 Kh6 29.Bf5 (29...g6 30.Be3 Qe3 31.fe3+–) 1–0. stoker – kilmer49, Live Game Caissa's Web, 2004.

3.a3 a5

4.ba5 Na5 5.e3 c6 6.Nf3 f6 7.Be2 e5 8.0–0 e4 9.Nd4 d5 10.Nc3 Ra7 11.d3 Ne7? (better is 11...f5!?+=) 12.de4+– Nc4 13.Bc1 f5 (13...Qa5 14.Qe1+/–) 14.ef5 (14.ed5 Qa5 15.Qd3 Ne5+–) 14...Qd6? (better is 14...Qa5!? 15.Qe1 Qb6+–) 15.e4 de4 16.g3?? Bf5?? 17.Nf5 Qe5 18.Ne7 Qe7?? 19.Re1 Rd7 20.Bd3! Rd4 21.Ne4 Qd8 22.Nd6 Kd7 23.Nf7 Qf6 24.Nh8 h6 25.Qe2 Kc7 26.Bf4 Bd6 27.Bd6 Qd6 28.Qe7 Kb6 29.Qd6 Nd6 30.Ng6 Rd5 31.a4 Kc7 32.ab5 cb5 33.Ra7 Kb6 34.Rg7 h5 35.Re5 Rd4 36.Re6 Kc5 37.Rc7 Kd5 38.Re5# 1–0. Neumann,Frank – Lewis,Patrick, OP–2011–0–01869, 2011.

4.ba5 Na5 5.e3 e6 6.Bb5 (better is 6.Nf3+=) 6...Rb8–/+ 7.Bc3 (7.a4 c6 8.Qg4 cb5 9.Bg7 Bg7 10.Qg7 Qf6 11.Qf6 Nf6 12.ab5 Rb5–/+) 7...Rb5 8.a4 Rc5 9.d4 Rc3 10.Nc3 Bb4 11.Qd3? (11.Nge2 Ba6 12.Qb1 Nc6–/+) 11...Bb7 (11...Ba6 12.Qa6 Bc3 13.Ke2 Ba1 14.Qa5–+) 12.f3? (12.Kf1 Nf6–/+) 12...Nf6?? (12...Ba6 13.Qa6 Bc3 14.Kf2 Ba1 15.Qa5 c6 16.Qd8 Kd8–/+) 13.Kf2 c5 14.dc5 Bc5 15.Nge2 0–0 16.Ne4?? (better is 16.Rhb1–/+) 16...Be4 (better is 16...Ne4 17.Kg1 Qg5 18.Nd4–+) 17.fe4 Ng4 18.Ke1 Qf6 19.Nd4 (19.Rb1 Qf2 20.Kd1–+) 19...Qf2 20.Kd1 Ne3 21.Kc1 Bd4 22.Ra2 e5 23.Qb5 Nec4 24.Kb1 Qe3 (25.Qb4 Nd2 26.Kc1 Ne4 27.Kb1 Nc3 28.Ka1 Nd5 29.Kb1 Nb4 30.Rd1 Rb8 31.c3 Qe4 32.Rd3 Qd3 33.Ka1 Bc3 34.Rb2 Nb3#) 0–1. Bartle,Georg – Friedrich,Matthias, Verbandsliga Sued Baden, 1998.

4.c3 ab4 5.cb4 d5 6.Nf3 Nf6 7.e3 e6 8.Bb5 Bd7 9.0–0 Rb8 10.Ba4 Ne5 11.Ne5 (11...Qc8 12.Nd7 Nd7 13.Bc6+–) 1–0. Wall,Bill (2365) – Joccew, Microsoft Gaming Zone, 1999.

4.c3 e5 5.e4 ab4 (5...Rb8 6.Nf3=) 6.cb4 Rb8 7.Nc3 d6 (better is 7...Ba6!?+=) 8.Bb5+– Bd7 9.Ba4 Nf6 10.Nf3 Rb6 (10...Be7 11.0–0+/–) 11.0–0+– Be7 12.Qc2 0–0 13.Rfd1 (13.Rfc1 Qa8+–) 13...Qc8 (13...Nd4 14.Nd4 ed4 15.Nd5 Nd5 16.Bd7+/–) 14.Bc6 Rc6 15.Qb3 (15.b5 Rc5 16.a4 Bg4+–) 15...Bg4 16.b5 Be6 (16...Rb6 17.a4+/–) 17.Nd5 (better is 17.Qc2!? Rb6 18.a4+–) 17...Bd5+= 18.ed5 Rc5? (better is 18...Rb6!?+=) 19.d4+– Rd5 20.de5 Rd1 21.Rd1 de5 22.Be5 Ne4 23.h3 (23.Re1!? Qb7+–) 23...Bc5+/– 24.Bd4 Bd6 25.a4 c5 26.Be3 c4 (26...Qb7 27.Qc4+–) 27.Qc2 Rd8? (27...Qa8 28.Rd4 Re8 29.Qc4+–) 28.Rc1 (better is 28.Qe4 Bh2 29.Kh2 Rd1+–) 28...c3?? (28...Qa8+–) 29.Qe4 Ba3 30.Rc2 Rd1 31.Kh2 Bb2 32.b6 (32.Ng5 f5 33.Qe5 h6+–) 32...f5 (32...Qf8 33.b7 Ba3 34.Rc3+–) 33.Qe5 Qa8 (33...Rd8+–) 34.b7 Qb7 35.Qe8 1–0. nimzo1 – 321sacrifice419, ChessWorld.net, 2016.

4.Bc3 ab4 5.ab4 Nb4?? (better is 5...Ra1 6.Ba1 Nb4=+) 6.Ra8+– Na6 (6...e6 7.e4 c6 8.e5+–) 7.e3 c6 (7...Nc5+–) 8.d4 (better is 8.Ba5! Nc7 9.Ra7 e5 10.Bc7 Qf6+–) 8...d5 (8...Qc7 9.Bd2 Qb7 10.Ra6 Qa6 11.Bd3+–) 9.Nd2 (better is 9.Na3 Qd7 10.Nb5+–) 9...Qd7 10.Ngf3 Qb7 11.Ra6 Qa6 12.Qa1 Qa1 13.Ba1 e6 14.Bd3 f5 15.0–0 Nf6 16.Ne5 Bd6? (16...Bb7 17.Bb2 Bb4 18.c3+–) 17.Bc3 b4 18.Bb2 0–0 19.Ra1 Ne4 20.Ndf3 c5 21.Ra7 Be5? 22.de5 c4 23.Be4 de4 24.Nd4 Rd8 25.Ra8 c3 26.Bc1 Kf7 27.h3 Kg6 28.Ne6 Rd1–/+ 29.Kh2 Rc1?? 30.Rc8+– Rc2 31.Rg8 Kf7–+ 32.Rg7 Ke6 33.Rb7 Rb2 34.Rb5 c2 35.Rc5 Rb1 36.Rc2=+ Ke5 37.f3 b3 38.Rc5 Ke6 39.fe4 fe4 40.Rc4 Kd5 41.Rd4 Ke5 42.g4? Re1 43.Rd7 b2 44.Rb7 b1Q 45.Rb1 Rb1 46.h4 Re1 47.g5 Re2 48.Kg3 Re3 49.Kg4 Re1 50.h5 Rg1 51.Kh4 e3 (52.Kh3 e2 53.g6 e1Q 54.h6 Qg3#) 0–1. Soellner,Eric (1650) – von Wascinski,Alexander (1670), remoteschach.de, 2006.

4.e3 a4? 5.Bb5+– e5 (5...Nf6 6.Nc3+–) 6.Bc6 dc6 7.Be5 Bd6?? (7...Nf6+–) 8.Bg7 Qg5 9.Qf3 (better is 9.Bh8 Qg2 10.Qf3+–) 9...Bb7?? (better is 9...Qg7 10.Qc6 Kd8=) 10.Bh8+– 0–0–0 (10...Rb8 11.e4+–) 11.Bc3 (11.e4 c5+–) 11...Ne7 (11...c5 12.Qh3 Kb8 13.Nf3+–) 12.Qh3 (12.e4 c5 13.Bf6 Qh6+–) 12...Kb8 13.Nf3 Qd5 (13...Qg6 14.0–0+–) 14.Qg4 (better is 14.Qh7!? c5+–) 14...f5 (14...Rg8 15.Qh4+–) 15.Qd4 Qb5 16.Qd3 Qb6 17.Qe2 Ba6 18.d3 Nd5 19.Bd4 c5 20.bc5 Bc5 21.Bc5 Qb2 22.Bd4 Nc3 23.Bc3 Qb5 24.0–0 f4 25.ef4 Qd7 26.Nbd2 Rg8 27.Rfe1 Qh3 28.g3 Bb7 29.Rab1 Kc8 30.Rb7! Kb7 31.Qe4 Kc8 32.Qa8 Kd7 33.Qg8 (33.Qg8 Kd6 34.Nc4 Kc6 35.Qa8 Kb5 36.Rb1 Kc5 37.Bd4; 33.Ne5 Ke7 34.Ng4 Kf7 35.Qd5 Kg6 36.Qg8 Kh5 37.Re5) 1–0. Valpa – Dc, playchess.de, 2003.

4.e3 Rb8 =.

4.e4 ab4 5.Bb5 Bb7 6.Nf3 e5 (6...Nf6 7.d3) 7.ab4+/– Nb4 (7...Ra1 8.Ba1 Nb4 9.Ne5+/– (9.Be5?! Be4 10.Na3 Qa8=)) 8.Ra8 Ba8 9.Ne5 (9.Be5?! Be4 10.Na3 Qa8=) 9...Nf6 10.c3 Nc6 (10...Qb8!? 11.Bc4 Nbd5) 11.Bc6+– Bc6 12.Qb3 Qe7?? (better is 12...Qa8 13.Qf7 Kd8 14.Nc6 Qc6+–) 13.Qb8 Qd8 14.Qd8 Kd8 15.Nf7 Ke7 16.Nh8 g5 17.Ba3 Ke8 18.f4 gf4 19.Bf8 Kf8 20.Rf1 Nh5 21.g4 Ng7 22.d4 Be4 23.Rf4 Kg8 24.Re4 Kh8 25.Re7 Kg8 26.Rd7 Ne6 27.d5 Nf4 28.c4 Nd3 29.Ke2 Nf4 30.Ke3 Ng2 31.Ke4 Nh4 32.c5 Ng6 33.Rc7 Nf8 34.c6 (34...Kh8 35.d6+–) 1–0. woschkat – dgall, net–chess.com, 2000.

4.e3 ab4

5.ab4 Ra1!? 6.Ba1 Nb4 7.Bb5 Bb7 =.

5.ab4 Ra4? 6.Ra4+/– ba4 7.b5 Nb4 8.Nc3 e5 (8...Bb7 9.Na4 e6 10.Nc5 Bg2 11.Ne6 fe6 12.Bg2+=) 9.Na4+/– e4 10.c3 Nd3 11.Bd3 d5?? (better is 11...ed3 12.Nf3 d5+/–) 12.Be2 Qg5 13.f3 (better is 13.Bf1+–) 13...Qg2–+ 14.d3 ed3 15.Bd3 Qh1 16.Kd2 Nf6 17.h3 Qh2 18.Kc1 Bd6 19.f4 (19.c4 Qf2 20.e4 de4 21.fe4 Ne4–+) 19...d4 (better is 19...Qf2!? 20.Kb1–+) 20.cd4 Nd5 (20...Bh3?! 21.Nh3 Qh3 22.Kd2–+) 21.Qe1 Nb4 (21...Bb4!? 22.Nf3 Qg2 23.Qe2 Bh3 24.Nc5–+) 22.Be2 Bf5 23.h4? (better is 23.Nc5–+) 23...Nd3 24.Bd3 Bd3 25.Qd1 0–0 26.Qd3 Qg1 27.Kc2 Qf2 28.Kb3 Qh4 29.Nc3 Ra8 30.Qe4 Rb8 31.Qd3 g6 32.Ba3 Ba3 33.Ka3 Qe1 34.Kb4 c6 35.Kc4 cb5 36.Nb5 Rc8 37.Kd5 Qh1 38.Qe4?? Qh5 39.Qe5 Qh1 40.Kd6?? Qc6 (40...Qc6 41.Ke7 Re8) 0–1. Valpa – Dc, playchess.de, 2004.

5.ab4 Ra4? 6.Ra4+/– ba4 7.b5 Nb4 8.c4 e5? (better is 8...Bb7!?+=) 9.Be5+/– Na2? (better is 9...Bb7 10.f3 Qa8+/–) 10.Qa4+– Nc1 (10...Nb4+–) 11.Qc2 Qe7 (11...f6 12.Bc3+– (12.Qc1?! fe5 13.Qc3 Qe7+–)) 12.Bb2 (12.Bc7 d5 13.b6 Qb4 14.Qc1 dc4 15.Bc4 Bc5+–) 12...Qg5 (12...Na2 13.c5! Bb7 14.Qb3+–) 13.Qc1 Bb4 (13...Bb7 14.Nh3 Qd8 15.Nf4+–) 14.Nf3 Qg4 15.h3 Qe4 (15...Qg6 16.Bd3! Qh6 17.c5+–) 16.Nc3 (better is 16.Bg7 Bb7+–) 16...Qf5 (16...Bc3 17.Qc3 Qb1 18.Bc1+–) 17.Nd5 Bd6 18.Bg7 Bb7 19.Bh8 c6 20.Be2 cd5 21.cd5 f6 22.Bc4 Ne7 23.Qc3 Be5 24.Qb3 d6 25.Ne5 Qe5 26.Qd3 Ng6 27.Bf6! Qf6 28.0–0 Ne5 29.Qe2 Qg5 30.f4 Qh4 31.fe5 de5 32.Qf3 Qc4 33.Qf8 Kd7 34.Rf7 1–0. Valpa – Dc, playchess.de, 2005.

5.ab4 Ra4? 6.Bb5?! Rb4 7.Bc6 Rb2 =.

5.Bb5 ba3 6.Na3 Bb7 7.Nf3 Nf6 8.Nc4 (8.0–0 e6+=) 8...Ra1= 9.Qa1 (9.Ba1 e6=) 9...Nb4 10.Ba4 Bf3 11.gf3 Qb8 12.Bb3 Qb7 13.Ke2 g6?? (better is 13...c6=) 14.Bf6+– ef6 (14...Rg8 15.Be5 Nc6+–) 15.Qf6 Rg8 16.Nd6!! Bd6 17.Bf7 Kf8 18.Bg6 1–0. Fournier,Frederic – Salaun,Rene, Active Game France (FRA), 1996.

3.a3 Bb7

4.e3 d5? 5.Bb5+– a6 6.Be2 (6.Ba4 f6+–) 6...e5+/– 7.Nf3 e4 8.Nd4 Nd4 9.Bd4 Nf6 10.0–0 Be7 11.c4 dc4 12.Bc4 0–0 13.Nc3 Bc8 14.Qc2 Bd6 15.Ne4 Ne4 16.Qe4 Re8 17.Qa8 Bb7 18.Qa7 Ba8 19.Qa6 Qg5 20.g3 Qh5 21.Be2 Qh3 22.f3 Re6 23.Qa8 Bf8 24.Rf2 Rh6 25.Bf1 Qf5 26.Bc5 (26.Bc5 Rd6 27.Bd6 cd6 28.Rc1+–) 1–0. Fournier,Frederic (1650) – ocaja (1640), Active (3/2), 2005.

4.e3 e5 5.Nf3 d6 (better is 5...e4 6.Ng1 Qg5=) 6.Bb5+/– e4 (6...a6 7.Bc4+/–) 7.Nd4 Qd7 (7...Nge7 8.Nc3 d5 9.Qh5=) 8.c4 (8.Bc6 Bc6 9.Nc3 a6+/–) 8...a6 9.Ba4 Nf6 10.Nc3 (better is 10.Nc6 Bc6 11.Bc6 Qc6 12.Bf6 gf6 13.Qc2+–) 10...d5 11.Qc2 0–0–0 12.cd5 Nd5 13.Ne4 Nde7 14.Rc1 (14.Nc5 Qg4 15.Nb7 Nd4 16.Bd4 Qg2 17.Nd8 Qh1 18.Ke2 Qh2 19.Nc6=) 14...Qg4 (14...f5 15.Nc6 Nc6 16.Bc6 Bc6 17.Qc6 Qc6 18.Rc6 fe4+–) 15.Nc6= (15.Bc6 Nc6 16.Nc6 Qg2 17.Ne7 Kd7 18.Qa4 Ke7 19.Rc7 Ke6=) 15...Bc6 16.Bc6 Nc6 (16...f5 17.Bb7! Clearance: c6 17...Kd7 18.Qc7 Ke8 19.Nd6 Rd6 20.Qd6 Qg6=) 17.Qc6 Qd7 18.Qa8 1–0. Wilke,Hans Peter – Schunk,Simon, Berlin op 7th, 2002.

4.e3 Nf6 5.Nf3 g6 6.Bb5 Bg7 7.0–0 0–0 8.c4 a6 9.Ba4 Re8 10.d3 e6 11.Nbd2 Na7 12.e4 (12.Nb3 Bc6 13.Nc5 Qc8+–) 12...Nc8 (12...Ne4 13.Bg7 Nd2 14.Qd2 Kg7 15.Ne5+/–) 13.h3 (13.Nb3 Nb6 14.Na5 Qc8+–) 13...Nb6 (13...Ne4 14.Bg7 Nd2 15.Nd2 Kg7 16.Ne4+=) 14.Bc2 (14.Bd4 Na4 15.Qa4 d6+/–) 14...d6? (14...Ne4 15.de4 Bb2 16.Rb1+=) 15.a4 (15.d4 a5+–) 15...Nbd7? (better is 15...Ne4!? 16.Bg7 Nd2 17.Nd2 Kg7=) 16.Nb3 c6 (16...c5 17.b5+/–) 17.Na5 Rb8 18.Nb7 Rb7 19.Ba3 h6 20.Rb1 Qc7 21.b5 (21.d4!?+–) 21...cb5 22.ab5 ab5 23.Rb5 Reb8 (23...Rb5 24.cb5 Ra8 25.Bb4+=) 24.Rb7+/– Rb7 25.Nd4 Nc5 26.Nb5 Qb6 27.Qf3 d5 28.ed5 ed5 29.Qe3 Ncd7 30.Qb6 Nb6 31.c5 Nc8 32.Rb1 Ne7 33.Nd4 Rb1 34.Bb1 Nd7 35.Nb3 Nc6+/– 36.f4 d4 37.Kf2 f5 38.Ba2 Kf8 39.Nd2 Ke8 40.Bc4 Kd8 41.Bf7 g5 42.fg5 hg5 43.Be6 Ne7 44.Nc4 f4 45.Kf3 Ne5 46.Ne5 Be5 47.Ke4 Bf6 48.Bb2 Nc6 49.Bd5 Ne7 50.Bd4 Bd4 51.Kd4 Nf5 52.Ke5 Ne3 53.d4 Kc7 54.Bf3 1–0. Hal1958 – HOTSUN, playchess.de, 2004.

4.e4 a6 +=.

4.e3 a6=

5.c4 bc4 6.Nf3 a5 =+.

5.Nf3 e6 6.Be2 Nf6 7.0–0 Bd6 8.Nd4 0–0 9.Bf3 Re8 10.Nc6 dc6 11.d4 e5 12.de5 Be5 13.Be5 Re5 14.Qd8 Rd8 15.Nc3 h6 16.Rad1 Rd1 17.Rd1 (< 17.Bd1 c5=+) 17...Re8 18.Re1 Re6 19.a4 Bc8 20.Rd1 Rd6 21.a5 Bg4? 22.Bg4 Ng4 23.Rd6 cd6 24.Ne4 d5 25.Nd6?? Ne5= 26.f4 Nd7 27.Kf2 Kf8 28.e4 Ke7 29.Nf5 Kf6 30.Ng3 de4 31.Ne4 Kf5 32.Kf3 g5 33.fg5 hg5 34.g4 Kg6 35.Nd6 Ne5 36.Kg3 Nd7 37.c4 bc4 38.Nc4 f5 39.Kf3 f4 40.h3 Nb8 41.Ne5+= Kf6 42.Ke4 Ke6 43.Nc4 Nd7= 44.Nb6 Nf6 45.Kd4 Nd5?? 46.Nd5+– cd5 47.b5 Kd7 48.ba6 Kc7 49.Kd3 Kb8 50.Ke2 Ka7 51.h4 gh4= 52.g5 h3 53.Kf2 d4 54.g6 d3 55.g7= h2 56.Kg2 d2 57.g8Q h1Q 58.Kh1 d1Q 59.Qg1 Qg1 60.Kg1 Ka6 ½–½. Pieleck,Rudi – Ritschel,Stephan, RSX9E – A00 – Sokolsky–1, 2002.

5.Nf3 Nf6 6.c4 bc4 7.Bc4 d5 8.Be2 e6 9.0–0 Bd6 10.d4 0–0 11.Nbd2 Qe7 12.Qc2 a5 13.b5 Na7 14.a4 c6 15.bc6 (better is 15.Rfb1!?+=) 15...Nc6+= 16.Rfc1 Rfc8 17.Qb3 Bb4 (17...Rc7 18.Ne5+=) 18.Ba3= Ba3 19.Ra3 (19.Qa3 Qa3 20.Ra3 Nb4=) 19...Rab8 20.Qa2 Ba8 (20...Nb4 21.Qb2=) 21.Rac3+= Bb7 ½–½. Fournier,Frederic – Fournier,Jean_Noel, Active Game France (FRA), 1994.

5.Nf3 h6 6.c4 bc4 7.Bc4 a5 +–.

5.Nf3 h6 6.d4 d5 7.Nbd2 Nf6 8.Bd3 e6 9.Nb3 Bd6 10.Nc5 Bc8 11.Ne5 Be5 (11...Bc5 12.dc5 Ne5 13.Be5+=) 12.de5+/– Nd7 13.Nd7 Qd7 14.0–0 0–0 15.Qg4 Ne7 16.e4 (16.Bd4 Nf5+/–) 16...d4+= 17.f4 Nc6 18.Rf3 Kh8 (18...f6 19.ef6 Rf6 20.e5+/–) 19.Rg3 f5 20.ef6 Rf6 21.e5 Rf5? (Better is 21...Rf7!?+/–) 22.Bf5+– ef5 23.Qf3 Qe6 (Better is 23...Bb7+–) 24.Rd1 Bb7 25.Qh5 Kh7? 26.Qe2 Rd8 27.Rgd3 Ne7? 28.Rd4 Rd4 29.Bd4 Bd5 30.Bc5 Ng6 31.Qf2 a5 32.Rd2 Qc6 33.h4 Nh8 34.Bd4 Nf7 35.Bc5 Qa8?? 36.Qd4 Be6 37.Rd3 h5 38.Rg3 Qe4 39.Qe4 fe4 40.Kf2 g6 41.Be7 c6 42.Rc3 Bd5 43.Bg5 Kg7 44.Ke3 Kf8 45.Kd4 Ke8 46.Rg3 Kd7 47.Kc5 Ke6 48.Kd4 Kf5?? 49.Ke3 Bc4 50.Kd4 Bd5 51.a4 Ke6 52.ab5 cb5 53.Ra3 Ng5 (53...a4 54.c4 Bc4 55.Ke4 Bd5 56.Kd4 Bg2 57.Rc3+–) 1–0. Semenko,Georg(Jurko) – Franz,Irma, 6sen.BayEM Schney, 1994.

5.Nf3 h6 6.d4 Nf6 7.c4 bc4 8.d5 +/–.

3.a3 d5

4.d4 a6 5.e3 =.

4.d4 Bg4 5.Nf3 e6 6.e3 Nf6? 7.Be2 a6= 8.h3 Bh5 9.g4 Bg6=+ 10.Ne5 Ne5 11.de5 Ne4 12.h4 h6 13.Rh3 Be7 14.f3?? Bh4–+ 15.Kf1 Ng3 16.Kg2 Ne2 17.Qe2 h5 18.Nc3 hg4 19.fg4 Bh7 20.a4 c6 21.Bc1? Bg5 22.e4 Bc1 23.Rc1 Be4?? 24.Ne4 Rh3 25.Kh3?? de4–/+ 26.Qe4 Rc8 27.a5? Qd2 28.Rf1 Ke7 29.Qh7? Qe3 30.Kg2 Qe2 31.Rf2 Qg4 32.Kh1 Rd8 33.Kh2 Rd1 (34.Rg2 Qf4 35.Rg3 Rd2 36.Kh3 Qf1 37.Kh4 Rh2 38.Kg4 Rh7 39.Re3 Qg2 40.Rg3 Qe4 41.Kg5 Qf5#) 0–1. bentengutama (1965) – reyr (2390), net–chess.com, 2003.

4.e3 a6 5.d3 e5 6.c4 dc4 7.Nf3 Bg4 8.h3 Bf3 (Better is 8...Bh5!?=+) 9.Qf3+= Qf6 10.Be2 (Better is 10.Qf6 Nf6 11.dc4+=) 10...cd3–/+ 11.Bd3 Qf3 12.gf3 Bd6 13.Be4 Nge7 14.Nc3 f5 15.Bc6 Nc6 16.Nd5 0–0 (16...a5 17.f4–/+) 17.e4? (Better is 17.Rc1!? Nd8 18.Nc7=) 17...fe4 18.fe4 Rf4?? (Better is 18...a5 19.Rc1 Nd4–/+) 19.Nf4+/– ef4 20.Rg1 Ne5 21.Ke2 Rf8 22.f3 Rf7 23.a4 c6 24.ab5 ab5 25.Ra8 Rf8 26.Ra6 Rc8 27.Bc3 Ng6 28.Rg4 Rc7 29.h4 Ne5 30.Rf4 Nd3?? 31.Ra8 (31...Rc8 32.Rc8 Bf8 33.Rff8#; 31.Kd3?! Bf4 32.e5 Kf7+=) 1–0. cagey – Bullet, Live Game Caissa's Web, 2004.

4.e3 e5 5.Bb5 Bd7 6.Bc6 Bc6 7.Be5 Nf6 8.Nf3 Be7 9.0–0 0–0 10.Qe2 a6 11.Nc3 Ne4 12.Nd4 Bb7 13.Ne4 de4 14.c4 Bd6 15.Bd6 cd6 16.d3 Qg5 17.de4 Be4 18.f3 Bg6 19.Rad1 Rfe8 20.e4 Rac8 21.Nb3 Qe7 22.Qd3 Qc7 23.Na5 Rcd8 24.Qd5 Re5 25.Qc6 Qa7 26.Kh1 Re6 27.Qd5 Qe3 28.Qd3 Qb6 29.Qd5 Re5?? 30.Qb7+– Qe3 31.Nc6 Ree8 32.Nd8 Rd8 33.Qa6 Qf4 34.c5 d5 35.Rd5 Rd5 36.Qc8 (36...Rd8 37.Qd8#) 1–0. agluis (2010) – reyr (2390), net–chess.com, 2003.

4.e3 Bf5? 5.Bb5+– Qd7 (5...Bd7!?+–) 6.Nf3 e6? (6...Bg4+–) 7.Ne5 Qd6 (7...Ne5 8.Bd7 Nd7+–) 8.Bc6 Ke7 9.Ba8 f6 (9...c5 10.Nc3 f6 11.bc5+–) 10.Nf3 Nh6 11.0–0 g5 12.h3 Bg7 13.d3 Ra8 14.Nbd2 g4 15.hg4 Bg4 16.g3 Nf5 17.Kg2 h5 18.Rh1 Rh8 19.Qe2 Bf3 20.Nf3 h4 21.Nh4 Qd8 22.Nf5 ef5 23.Rh8 Qh8 24.Rh1 Qg8 25.Qf3 Kd6 26.Qf5 Qf7 27.Rh7 Kc6 28.Bd4 Kb7 29.Qh5 Qh5 30.Rh5 Bf8 31.Rd5 Bd6 32.e4 1–0. Fournier,Frederic (1755) – 2 (1815), Active (3/0), 2004.

4.e4 a6 5.ed5 Qd5 6.Nc3 Qe6 7.Nge2.

4.e4 de4 5.Bb5+/– Bb7 6.Ne2 e6 7.Nd4 (7...Qd5 8.0–0) 1–0. pcmvr (2225) – reyr (2145), net–chess.com, 2006.

4.e4 de4 5.Bb5+/– Bd7 6.Be2 (6.Qe2!? Rb8 7.Qc4+/–) 6...Nf6 7.d3 e5 8.b5 Nd4 9.Nd2 (9.Bd4!? ed4 10.de4+=) 9...Bb5= 10.de4 Be2 11.Ne2 Ne2 12.Qe2 Rb8 (better is 12...Bd6!?+=) 13.Be5+/– Bd6 14.Bd6 cd6 15.0–0 0–0 16.f3 Rb2 (16...Qb6 17.Qf2+/–) 17.Nc4 Rb8 18.Rfd1 Ne8 19.Ne5?? (better is 19.Rd5+–) 19...Qb6–+ 20.Kh1 (20.Qf2 de5 21.Qb6 ab6 22.Rd5–+) 20...de5 21.h3 Nf6 22.Kh2 g6 23.Rd2 Rbd8 24.Rd8 Rd8 25.Rd1 Qa5 26.Rd8 Qd8 27.Qf2 a5 28.Qe2 Qc7 29.Qb5 Qc3 30.Qb8 Kg7 31.Qd6 h5 32.Kg3 Ne4 (32...Ne4 33.Kh2 Nd6 34.h4 Nf5 35.Kg1 Qe1 36.Kh2 Qg3 37.Kg1 Ne3 38.c4 Qg2) 0–1. Valpa – Klm, playchess.de, 2006.

3.a3 d6

4.e3 e5 5.Bb5 Bb7 6.d4 ed4 7.Qd4 Qg5 8.Qe4 Nge7 9.Ba4 (9.Nc3 a6 10.Bf1 Nd8+/–) 9...Kd8 (9...f5!? 10.Nh3 Qg6+–) 10.Nh3+– Qg6 11.Qg6 hg6 12.0–0 Nf5 (12...f6 13.Nd2+–) 13.Ng5 Ke8 14.Bb3 f6 (14...Nd8 15.e4 Be7 16.ef5 Bg5 17.fg6+–) 15.Ne6 Kd7 16.Nf4 (16.Rd1 a6+–) 16...Rh6 17.Nd2 Be7 (17...Ne5 18.e4 Nh4 19.Be6 Ke7 20.Bd5+–) 18.Bd5 Rah8 19.h3 Nd8 20.Bb7 Nb7 21.e4 Nh4 22.g3 (better is 22.Nd5 g5 23.Nc4+–) 22...g5+= 23.gh4 gf4 24.Nf3 f5 25.ef5 Bh4 26.Bg7 Rg8 27.Kh2?? (better is 27.Nh4 Rg7 28.Ng6 Rh3 29.Kg2+=) 27...Rg7–+ 28.Rad1 Bf6 29.c4 (29.Rg1 Rg1 30.Rg1 Rh5–+) 29...Kc8 (29...Rgh7 30.Ng1–+) 30.Rde1 (better is 30.Rfe1–+) 30...Re7 (30...Rgh7 31.Kg2–+) 31.Re6 (31.Re7!? Be7 32.Re1–/+) 31...Nd8 (31...Reh7 32.Kg2–+) 32.Re7–/+ Be7 33.Re1 Bf6 34.Re2 (34.Re4!?–/+) 34...Rh5–+ 35.Re8 (35.h4 Rf5 36.Kh3 Nf7–+) 35...Kd7 36.Rf8 (36.Re4 Rf5 37.h4 Bb2–+) 36...Ke7 37.Rg8 Rf5 38.Rg4 Nc6 (38...Ne6 39.Kg2–+) 39.Kg2 Ne5 40.Ne5 de5 (40...Re5?! 41.Rf4 Re2 42.h4–+) 41.Kf3 (41.f3 Ke6–+) 41...Rg5 (41...Ke6 42.Rg8 Rh5 43.Kg2–+) 42.h4 (42.Rg5 Bg5 43.Kg4 e4–+) 42...Rg4 (better is 42...Rh5 43.Ke4–+) 43.Kg4 Kf7 44.h5 Ke6 45.f3? (better is 45.h6–+) 45...c6 (45...Bg7!? 46.Kg5–+) 46.a4? White intends b5 (46.h6 Kf7 47.Kf5 e4 48.Ke4 Kg6+=) 46...Bh8?? (better is 46...Bg7!?–+) 47.a5 (47.h6 Kf7=) 47...a6 (better is 47...Bg7!? 48.b5 cb5 49.cb5 Kd5–+) 48.b5 cb5 (48...ab5?? 49.a6 e4 50.a7 ef3 51.a8Q+–) 49.cb5 Kd6 (49...ab5?? 50.a6 e4 51.a7 ef3 52.a8Q+–) 50.ba6?? (better is 50.b6=) 50...Kc7–+ 51.a7 Kb7 52.a6 Ka7 53.Kf5 Ka6 54.Ke4 Kb6 55.Kd5 Kc7 56.Ke4 Kd6 57.h6 Ke6 58.h7 Kf7 59.Kf5 Bf6 60.Ke4 Kg6 61.Kd3 Kh7 62.Ke4 Kg6 63.Kd3 Kf5 64.Ke2 e4 65.fe4 Ke4 66.Kf2 Bd4 67.Ke2 f3 68.Ke1 Ke3 69.Kf1 f2 70.Kg2 Ke2 0–1. Mauron,Regis – Bot,Florian, 10e Tournoi de Nol, 2007.

4.e4 a6 5.c4 bc4 6.Bc4 e5 7.Bd5 Bd7 8.Nf3 Be7? (better is 8...Nge7+=) 9.Qc2+– Na7 10.Ba8 Qa8 11.0–0 c6 12.d4 ed4 13.Bd4 Nf6 14.e5 de5 15.Ne5 Nb5 16.Nd7 Nd4 17.Nf6 Bf6 18.Re1 Ne6 19.Nc3 0–0 20.Rad1 Bc3 21.Qc3 Rc8?? (21...a5+–) 22.Re6! fe6 (22...c5 23.Red6 Re8 24.bc5 Qe4+–) 23.Rd7 Kf8 24.Qg7 (24...Ke8 25.Qe7#) 1–0. Pleschke,Helmut (1655) – Flaks,Tony, IECG, 1999.

4.e4 e5 5.Nf3 h6? (5...a6 6.c4 bc4 7.Bc4+/–) 6.d4 (6.Bb5 Bd7+–) 6...ed4 (6...a6 7.de5 Be6 8.ed6 Qd6 9.Nbd2+–) 7.Nd4 (better is 7.Bb5 Bd7 8.Nd4 Nd4 9.Bd7 Qd7 10.Bd4+–) 7...Bb7? (better is 7...Nd4 8.Qd4 a6+/–) 8.Bb5+– Qd7 9.0–0 a6 10.Be2 (10.Ba4!? Nge7+–) 10...Nge7 11.Nd2 Nd4 12.Bd4 Ng6 13.Bc4 d5 14.Bb3?? (14.ed5 0–0–0+–) 14...f6?? (better is 14...de4 15.c3 0–0–0+/–) 15.c3 (better is 15.ed5 0–0–0 16.c4+–) 15...Be7?? (15...Nf4+–) 16.Ba4 c6 17.c4 (better is 17.Qh5!? 0–0 18.Qg6 a5 19.ed5 ab4+–) 17...Kf8?? (better is 17...de4 18.Ne4 0–0–0+–) 18.cd5 Ne5 (18...a5 19.Nc4 ab4 20.Nb6+–) 19.Be5 fe5 20.f4 (better is 20.Nc4 Bf6 21.dc6 Bc6 22.Qd7 Bd7 23.Bd7 Ke7+–) 20...Qc8 (20...ef4 21.Rf4 Kg8+–) 21.fe5 Kg8 22.Qh5 (better is 22.dc6!? Kh7 23.Rc1 a5+–) 22...Qe8 (22...Kh7 23.Rac1 Ra7 24.dc6+–) 23.Qf5 a5 (23...g6 24.Qf3 Rh7 25.Qc3+–) 24.Rf2 (better is 24.dc6 Rh7 25.cb7+–) 24...ab4 (24...Rh7 25.Raf1 Bh4 26.dc6 Bf2 27.Rf2 Ba6+–) 25.Qe6 (better is 25.Bb3 cd5 26.ed5+–) 25...Kh7 26.Raf1?? (better is 26.d6 Bd6 27.Qe8 Rhe8 28.ed6 Ra4 29.Rb1+–) 26...Ra4–/+ 27.Qf5 Kg8?? (better is 27...Qg6 28.d6 Ba6–/+) 28.Qf7?? (better is 28.d6 Bc8 29.Qf3 Ra3 30.Qf7 Qf7 31.Rf7+=) 28...Qf7–+ 29.Rf7 ba3?? (better is 29...Bc5 30.Kh1 Ba6 31.ab4 Bb4–+) 30.Re7+/– a2? (better is 30...Ba6 31.Ra1 cd5 32.ed5 Kh7+/–) 31.Nb3?? (31.Ra1 Bc8 32.d6 Kh7+–) 31...cd5?? (better is 31...Rb4 32.Rff7 Rb3 33.Rg7 Kf8 34.Rgf7 Kg8 35.Rg7 Kf8 36.Rgf7 Kg8 37.Rg7=) 32.Rb7+– de4 33.Ra1 Kh7 34.Nc5 Rc4 35.Ra2?? (better is 35.Ne6 Ra8 36.Ng7+– (36.Rg7?! Kh8+–)) 35...Rc5= 36.e6 Re5 37.e7 Re8 38.Rab2 R8e7 39.h4 e3 40.Re7 Re7 41.Re2? (41.Kf1 Rf7 42.Ke1 Kg6+=) 41...g5?? (better is 41...Kg6!? 42.Kh2 Kf5–+) 42.h5 (better is 42.hg5!? hg5 43.g4=) 42...Kg7–/+ 43.Kf1 Kf6 44.g4 Re4 45.Ke1? (45.Ra2 e2! (worse is 45...Rg4 46.Ra6 Kf5 47.Rh6+=) 46.Ke1 Ke5–+) 45...Ke5 (better is 45...Rg4 46.Re3 Rh4–+) 46.Rg2?? (better is 46.Rb2–/+) 46...Kf4–+ 47.Ke2 (47.Rg1 e2 48.Rg2–+) 47...Ra4 48.Kd3 Kf3 49.Rg1 Rg4 (better is 49...e2 50.Re1 Re4 51.Kd2–+) 50.Rf1 Kg2 51.Rf6 (51.Re1 Rg3 52.Ke2 g4–+) 51...Rh4 (better is 51...Re4! 52.Ke2 Kh2–+) 52.Rh6 g4 53.Ke3 g3 54.Ke2?? (54.Rg6 Rh5 55.Kf4 Rh4 56.Ke3 Rh8–+) 54...Kg1 (54...Kh1 55.Rg6 g2 56.Kf2 Rh5 57.Rg2 Rf5 58.Kg3 Rg5 59.Kf4 Rg2 60.Ke5–+) 55.Rg6 (55.Kf3 g2 56.Kg3–+) 55...g2 56.Kf3 (56.Rg5 Kh2–+) 56...Rh3 57.Kg4 Rh2 (57...Kh2 58.Kf4 Rh5 59.Kg4–+) 58.h6?? (58.Kg5 Kh1 59.Kh6=) 58...Kh1 (better is 58...Kf2 59.Kf4 Rh4 60.Kf5 Rh5 61.Kf6 Rh6 62.Rh6 g1Q–+) 59.Kf5= g1Q 60.Kf6?? (better is 60.Rg1 Kg1 61.Kg6=) 60...Qf2 61.Kg7 Qd4 62.Kg8 Qd8 63.Kh7 Qf8 64.Re6 Rf2 65.Re1 Kh2 0–1. rimazu (2115) – valerypavlovich (2105), net–chess.com, 2015.

3.a3 e5

4.Nc3 a6 5.e3 d5 6.Nf3 (6.a4 Bf5 7.g4 Bg6 8.Nf3 Nb4 9.d3 f6 10.Bg2 c6 11.0–0) 6...Nf6 7.Be2 (7.d4 e4 8.Ne5 Bb7= (8...Bd7 9.f4 Bd6 10.Be2 0–0 11.0–0) 9.a4 ba4 10.b5 Ne5 11.de5; 7.a4 Nb4 8.ab5 Bf5 9.d3 Bd6 10.Be2 0–0 11.ba6) 7...Bd6 8.0–0 (8.d3 0–0 9.0–0 h6 10.a4 ba4 11.Na4) 8...0–0 9.d3 d4 (9...Re8 10.Qd2+= (10.h3 h6 11.Nd2) 10...h6 11.h4; 9...h6 10.a4 ba4 11.Na4) 10.Ne4= de3 (10...Be6 11.Qd2) 11.Nf6 (11.fe3 Ne4 12.de4 Be6=) 11...Qf6 12.c4 (better is 12.fe3 Qh6 13.Qd2=) 12...Nd4 (better is 12...ef2 13.Rf2 Qe6+=) 13.Nd4?? (better is 13.c5+/–) 13...ed4–/+ 14.fe3 Qg5 15.Bd4= Bb7 16.Bf3+/– Bf3 17.Qf3 c5 18.bc5 Bc7 19.g3 f6? 20.Qc6 Ba5?! 21.Qd5 Kh8 22.Qg5 fg5 23.Rf8 Rf8 24.cb5 ab5 25.c6 Bc7 26.Bc5 Rf6 27.e4 h6 28.a4 ba4 29.Ra4 Rc6 30.Ra8 Kh7 31.d4 Be5 32.de5?? Rc5+/– 33.e6 ½–½. Neumann,Frank (1635) – Tortoza,Carlos (1685), RSS7E schnell–57, 2010.

4.d4 ed4 5.Nf3 =.

4.d4 Nd4 5.e3 Nf5? (5...Ne6 6.Be5 a5 7.ba5 Ra5 8.Nf3=) 6.Be5 (6.Qf3!? d5 7.Bb5 Ke7 8.Be5+–) 6...Qe7 (6...Bb7!?=) 7.Bc7+/– d6?? (better is 7...Bb7+/–) 8.Bb5+– Bd7 9.Bd7 (better is 9.Qd5 Rc8 10.Qb7 Rc7 11.Qc7+–) 9...Qd7 10.Ba5 g6 11.a4 Bg7 12.Ra2 Rc8 13.b5 (13.Nf3!? Qe6 14.Ra3 Nge7+–) 13...Qe6+/– 14.Ra3 Bb2 (better is 14...Nh4!? 15.Rd3 Ng2 16.Kf1 Nh4 17.Rd6 Qe7+/–) 15.Rb3 Qe5? (better is 15...Be5+–) 16.Nf3 Qf6 17.Nbd2 (better is 17.c3 Ba1 18.Nbd2+–) 17...Bc3 (17...d5+–) 18.Bc3 Rc3 19.Qa1 (better is 19.Ne4 Qe7 20.Nc3+–) 19...Rc2 20.Qf6 Nf6 21.0–0 0–0 22.h3 d5 23.Rd1 Ne4 24.Ne4 de4 25.Ng5 h6? 26.Ne4+– Rc4 27.Nc3 Rfc8 28.Rc1 Nd6 29.f3 f5 30.Ra3 R8c5? 31.Kh2 g5 32.Rd1 Nc8 33.Ne2 h5 34.g3 Rc2+/– 35.Re1 Nb6 36.Kg1 Nc4 37.Rd3 Nb2 38.Rd8 Kf7 39.Rd7 Ke6? 40.Ra7 Nd3 41.Ra6 Kd5? 42.Nd4 Ne1+= 43.Nc2 Rc2 44.e4 fe4–/+ 45.fe4 Ke4?? 46.Re6+/– Kf3 47.Re1 Rg2 48.Kf1 Rf2= 49.Kg1 Ra2?? 50.Rb1+– Kg3? 51.b6 Rg2 52.Kf1 Kh2 53.Rb3 Rg1 54.Ke2 Rg2 55.Kd1 Rg1 56.Kc2 Rg2 57.Kb1 Rg3 58.Rg3 Kg3 59.b7 Kh3 60.b8Q g4 61.Qb3 (61.Qb3 g3 62.a5+–) 1–0. Valpa – Angelreino, playchess.de, 2002.

4.d4 Bd6 5.de5 (5.e3 a6) 5...Be5= 6.Be5 Ne5 7.Qd5 Nc6 8.Qb5 Nd4 9.Qe5 Ne6 10.e3 Nf6 11.Nf3 0–0 12.Be2 Bb7 13.0–0 Ng4 14.Qc3 d6 15.Nd4 Ne5 16.f4 Nd4 17.Qd4 c5 (17...Nc6!? 18.Qd3 Qf6) 18.bc5+– Nc6 19.Qc3 dc5 20.Qc5 Qf6 21.Nd2 Ne7 (21...Rfd8 22.Ne4 Qe6 23.Ng5+–) 22.Bf3 (22.Rab1 Rfb8+–) 22...Rfc8+/– 23.Qb4 (better is 23.Qh5 Bf3 A) 24.gf3?! Qc3 (< 24...Rc2 25.Ne4 Qa6 26.Rf2 Rf2 27.Kf2) 25.Qe5 Qd2; B) 24.Qf3) 23...Nc6?? (better is 23...Bf3 24.Nf3 Rc2) 24.Qb7+– Rab8 25.Qa6 h6 26.Bc6 Rc6 27.Qd3 Rb2 28.Rfc1 Rbc2 29.Rc2 Qa1 30.Kf2 Rb6 31.Rc8# 1–0. Hasler,Ueli – Tortoza,Carlos, CiF, 2006.

4.d4 Qe7 5.d5 Nd8 6.e4 d6? (6...c6 7.Nf3) 7.h4 (7.Bb5 Bd7 8.Bd7 Qd7+–) 7...Nf6 (7...Bd7!?) 8.Bb5+/– Bd7 9.Bd3 g6 10.Nf3 Bg7 11.Nc3 0–0 12.Ng5 Bg4 13.Be2 Be2 14.Qe2 (14.Ne2?! h6 15.Nh3 Ne4=) 14...c6 15.0–0–0 (15.dc6 Nc6 16.0–0 h6) 15...cd5 16.ed5 Nb7 17.Nce4 Ne4 18.Qe4 f5 19.Qe2 Bh6 20.Kb1 (20.f4!? Rfe8 21.Rhe1) 20...Bg5= 21.hg5 Qg5 22.Qb5 Rfb8?? (better is 22...Rf7=) 23.Qd7+– Qd8?? (23...h5 24.f4! Qf6 25.fe5 de5+–) 24.Qh7 Kf8 25.Qh8 Ke7 26.Rh7# 1–0. michael709 – LuckyMiki, internet, 2007.

4.e3 a6 5.c4 d6? 6.cb5+/– ab5 7.Bb5 Bd7 8.Nf3 Nf6 9.0–0 g6 (9...e4 10.Qc2 Ne7 11.Nd4+–) 10.Qc2 Bg7?? (better is 10...Ne7 11.Bd7 Qd7+–) 11.Bc6 Bc6 (11...Ra7 12.e4+–) 12.Qc6 Kf8 13.Nc3 Ke7 14.Nd5 Nd5 15.Qd5 Rc8 16.Ng5 c6 1–0. Hal1958 – Ronan48, playchess.de, 2002.

4.e3 Ba6 5.Nf3 (5.a4 Bb7 6.ab5 Nb4 7.Be5 Qe7+/–) 5...f6 (5...e4 6.Nd4+=) 6.Nc3+/– Qb8 7.Be2 Nh6 8.0–0 Bd6 9.h3 (9.d4 ed4 10.ed4 Ne7+/–) 9...0–0 10.Rc1 (10.d4 Nf7+/–) 10...Re8+= 11.Ne4 Be7 12.d4 ed4 (12...d5 13.Nc3 e4 14.Nd2+=) 13.Nd4 Ne5 14.Nc5 (14.Nb5 c6 15.Nbc3 Be2 16.Qe2 a5+/–) 14...Bc5+= 15.bc5 c6 16.a4 (16.Qd2!?+=) 16...ba4+= 17.Ba6 Qb2 18.Rb1 (18.Ra1 Qb4+=) 18...Qc3–/+ 19.Qe2 Rab8 20.Ra1 Rb2 21.Rfc1 Rc2?? 22.Qc2+– Qa5 23.Ra4 Qc7 24.Rb1 g6 25.Rb7 Qd8 26.Rab4 Qa5 27.Ra4 Qe1?? 28.Kh2 Nhg4 29.hg4 Ng4 30.Kg3 Ne3 31.Qb3 Nd5 32.Nf3 Qe7 33.Bc4 Qe4 34.Bd5 cd5 35.Re4 Re4 36.Qd5 (36.Qd5 Kg7 37.Qd7 Re7 38.Qe7 Kh6 39.Qh7) 1–0. Fournier,Frederic – jaber116, Active, 2004.

4.e3 Bb7 5.f4 (better is 5.Bb5 Nb4 6.Nf3 (worse is 6.ab4 Bg2 7.Nf3 Bh1–/+) 6...Bf3 7.gf3+=) 5...ef4+= 6.ef4 Qh4 7.g3 Qe7 8.Qe2?? (8.Kf2!? Nb4 9.Nf3 Qc5 10.Bd4 Bf3 11.Bc5 Bd1 12.Bf8 Kf8 13.ab4 Bc2 14.Bb5+=) 8...Qe2 (better is 8...Nd8 9.Nc3 a6 10.Qe7 Ne7 11.Nf3 Bf3 12.Rg1–+) 9.Ne2 (9.Be2 Nb4 10.ab4 Bh1 11.Bd4–+) 9...Nb4 10.ab4 Bh1 11.Nd4 c6 12.Nf5 f6 13.Bc3 Ne7?? 14.Nd6+/– Kd8 15.Bd4?? Bd5?? 16.Na3?? Nc8 17.Nb7 Kc7 18.c4 bc4 19.b5 Kb7 20.Bh3 c5 21.Bc3 Nb6 22.Bf1 Re8 23.Kd1 Bf3 24.Kc1 Re1 25.Kb2 Na4 26.Ka2 Ra1 27.Ka1 Nc3 28.Nc4 Nb5 29.Na5 Kb6 30.Nc4 Kc7 0–1. Schmidt,Valeska – Collisy,Klaus Dieter, Dortmund6, 2003.

4.e3 d5 5.Bb5 Bd7 6.Bc6 Bc6 7.Be5 Qg5 (7...a5 8.ba5 Nf6 9.Nf3+–) 8.Bg3 (8.Nf3 Qe7+–) 8...Nf6 (8...a5 9.ba5 (9.Bc7 Qg2 10.Qf3 d4 11.Qg2 Bg2 12.Ba5 de3–+) 9...Qf6 10.d4+–) 9.f4 (9.Nf3!? Qg4+–) 9...Qg6 10.Nf3 Ne4 11.Ne5 Qe6 (11...Qf6 12.Qf3+/–) 12.Nc6 Qc6+/– 13.Nc3 f5 14.Ne4+– fe4 15.0–0 h5 16.Bh4 Bd6 17.c3 Qd7 18.Qe1 Qf7 19.Qg3 Rg8 20.Qg5 Be7 21.Qe7 Qe7 22.Be7 Ke7 23.Rac1 h4 24.h3 g6 25.c4 c6 26.cd5 cd5 27.Rc5 Kd6 28.Rfc1 g5 29.Rc6 Kd7 30.Rc7 Kd8 31.R7c5 gf4 32.Rd5 Ke7 33.ef4 Rg3 34.Re5 Kf6 35.Rc3 Rg6 36.Re4 Rag8 37.Rc6 Kf5 38.Rg6 Rg6 39.Rc4 Ra6 40.Rc3 Kf4 41.Kf2 Rf6 42.Rf3 Ke5 43.Rf6 Kf6 44.Kf3 1–0. Fournier,Frederic (1835) – vendotomates, Active, 2008.

4.e3 d6 5.Bb5 a6?? 6.Bc6+– Bd7 7.Ba8 Qa8 8.f3 Nf6 9.Ne2 Be7 10.0–0 0–0 11.d4 a5 (11...e4 12.Ng3+–) 12.de5 de5 13.Be5 Qd5 14.ba5 (14.Bf6!? Qd1 15.Rd1 Bf6+–) 14...Qa5 (14...Qe5 15.Qd4 Qa5+–) 15.Bc3 Qh5 16.Bf6 (16…Bf6 17.c3+–) 1–0. valpa – Idris, HCL–C2351 playchess.de, 2003.

4.e3 d6 5.Bb5 Nge7 6.d4 +/–.

4.e3 d6 5.Nf3 a6!? =.

4.e3 d6 5.Nf3 g6? 6.d4 (6.Bb5 Bd7+–) 6...Bg7 (6...a6 7.c4 bc4 8.Bc4+/–) 7.de5 (7.Bb5 Bd7+–) 7...de5 (7...a6!?+/–) 8.Qd8+– Nd8 9.Ne5 Nf6? (9...a6 10.a4 ba4 11.Ra4+–) 10.Nd2 (10.Bb5 c6 11.Ba4 Ng4+–) 10...0–0 (better is 10...a6!?+–) 11.Bb5 Ne6 12.Rb1 Rd8 13.Ndf3 Bb7 14.0–0 Ne4 15.Bc6 Bc6 16.Nc6 Rd7 17.Bg7 Ng7 (17...Rd6 18.Bd4 Rc6 19.Rb2+–) 18.Nfe5 Nd2?? (18...Rd2+–) 19.Nd7 Nb1 20.Rb1 Nf5 21.g4 Nd6 22.f4 Re8 23.Nf6 Kf8 24.Ne8 Ke8 25.Na7 Nc4 26.Rb3 Nd2 27.Rc3 Nf3 28.Kg2 Ne1 29.Kf2 Nc2 30.Rc2 Kf8 31.Rc7 Kg7 32.Nc6 1–0. Valpa – Idris, playchess.de, 2003.

4.e3 Nf6 5.Bb5 Bb7 6.c4?? Nb4 7.ab4 Bg2 –+.

4.e3 Nf6 5.Bb5 Bb7 6.c4?? e4?? 7.Nc3 a6 (better is 7...Ne5 8.c5 Nfg4=) 8.Ba4?? (8.Bc6 Bc6 9.f4+=) 8...Be7?? (8...Ne5!? 9.Rb1 Be7+=) 9.Nge2?? (9.d4 ed3 10.Nf3 0–0+/–) 9...0–0 (9...Ne5 10.0–0 Nc4 11.Qc2+=) 10.Bc2 (10.Nd5!?+/–) 10...Na7? (better is 10...Ne5 11.Ne4 Nc4 12.Bf6 Bf6+= (12...gf6? 13.Nd4 Ne5 14.Qh5+–)) 11.Ng3+– 1–0. cristero (2460) – pushtiu (2245), net–chess.com, 2015.

4.e3 Nf6 5.Bb5+/– Bb7 6.Nf3 a5 7.ba5 Ra5 8.Bc6 Bc6 9.Bc3 +/–.

4.e3 Nf6 5.Bb5+/– Qe7 6.Nf3 e4 7.Bc6 dc6 8.Nd4 (8.Ne5 Qe6+/–) 8...Bd7 (8...c5 9.Nc6 Qe6 10.b5+=) 9.c4 (9.Nb3 a5 10.ba5 c5+/–) 9...Ng4 (better is 9...c5 10.Nc2 Be6+=) 10.Nc6 Bc6?? (better is 10...Qh4 11.g3 Qh3–/+) 11.Qg4+– h5 12.Qf4 Rh6 13.b5 g5 14.Qe5 f6?? 15.Qe7 Be7 16.bc6 f5 17.Nc3 Rc6 18.Ke2 Rc4 19.Rhc1 Rc5 20.Na4 Ra5 21.Nc3 Rb8?? 22.Nd1 Bd6 23.Bc3 Ra6 24.Bb4! Bb4? 25.ab4 Ra1 26.Ra1 Rb4 27.Ra7 Kd7 28.Nc3 h4 29.h3 g4 30.hg4 fg4 31.Nd5 Rc4 32.Nf6 Ke6 33.Ng4 Kf5 34.Nh6 Kg5 35.Nf7 Kg4 36.Ne5 Kf5 37.Nc4 Ke6 38.Rc7 Kd5 39.Rc8 h3 40.gh3 Ke6 41.Rg8 Kd5 42.d3 Kc5 43.h4 Kb4 44.h5 Kc3 45.de4 Kc4 46.h6 (46.h6 Kb4 47.h7 Kb3 48.Rb8 Kc4 49.h8Q Kc5 50.Qh6 Kc4 51.Qc6) 1–0. Fournier,Frederic (1960) – chumbe, Active, 2011.

4.e4 a6 5.c4 d6 (better is 5...Rb8!?) 6.cb5+/– ab5 7.Bb5 Bd7 (8.Nf3 Nf6). Klaus Behrmann – Zamoht, ChessWorld.net, 2005.

4.e4 a6 5.Nf3 =.

4.e4 Rb8 5.Nf3 Nf6 6.Nc3 a6 7.Be2 d5 (7...Bd6 8.0–0=) 8.ed5+= Nd5 9.0–0 Bg4?? (better is 9...Nf4+=) 10.Nd5 (10.Ne5 Be2 11.Qe2 Nf4+–) 10...Qd5 11.h3 (11.Ne5 Be2 12.Qe2 Ne5 13.Be5 Rb6+–) 11...Bh5 (better is 11...Bf5 12.c4 bc4+/–) 12.d3?? (12.Ne5!? Be2 13.Qe2 Ne5 14.Be5 Rb6 15.Bc7 Re6+–) 12...Be7? (better is 12...Bd6!?=) 13.c4 bc4 14.dc4 Qd1 15.Rfd1 0–0 16.Kf1 Rfd8? 17.Ne5+– Be2 18.Ke2 Ne5 19.Be5 Rd1 20.Rd1 Rc8 21.Rd7 Rd8 22.Re7 c6 23.Kf3 Kf8 24.Rc7 h6 25.Rc6 Ra8 26.Rb6 Kg8 27.Rb8 Rb8 28.Bb8 f5 29.Kf4 g6 30.Ke5 Kf7 31.Kd6 (31.Kd6 Ke8 32.b5 ab5 33.cb5+–) 1–0. Neumann,Frank (1650) – Henkel,Ute (1625), RSS7E–76 remoteschach.de, 2008.

4.e4 Nd4 5.Nc3 (5.c3 Ne6) 5...Nf6 (5...a6 6.Nf3 Bb7 7.Ne5) 6.Bb5 (6.Nb5 c5) 6...c6 (6...a5 7.Bc4 ab4 8.ab4 Ra1 9.Ba1 Bb4 10.Nf3=) 7.Bc4 (7.Bd3 a5 8.Nce2 Ne2 9.Ne2 d6) 7...Bb7 (7...d5!? 8.ed5 Bf5) 8.Nf3+/– Be7 (8...d5!? 9.ed5 cd5) 9.Ne5+– c5?? (9...d5 10.ed5 cd5 11.Bd3+–) 10.b5 (better is 10.Nf7 Qc7 11.Nh8 cb4 12.Bf7 Kf8 13.ab4 Be4 14.Ne4 Nc2 15.Ke2 Na1 16.Qa1+–) 10...Qa5? (10...0–0 11.f3+–) 11.0–0 (better is 11.Bf7 Kf8 12.Bc4+–) 11...Be4?? 12.Bf7 Kf8 13.d3 Bd3?? 14.cd3 Qc7 15.Re1 Nf5 16.Bd5 Bd6 (17.Nd7! Nd7 18.Ba8 Bh2 19.Kh1 Be5+–; 16...Re8 17.Nf7 Rg8 18.Ng5+–). curinthia – mysticpsycho, net–chess.com, 2005.

4.e4 d6 5.Bb5 d5?? (better is 5...Bd7) 6.Bc6+– (6...Bd7 7.Ba8 Qa8 8.Be5 de4 9.Nc3+–) 1–0. bostvinnik – dcroll, net–chess.com, 2005.

4.e4 Nf6 5.Bb5 a5 +/–.

4.e4 Nf6 5.Nc3 a6 6.Nf3 =.

4.e4 Nf6 5.Nc3 Nd4 6.Nf3 (6.Nb5 Nb5 7.Bb5 c6+/–) 6...c5 7.Nd4 (7.Nb5 Nf3 8.Qf3 a6+=) 7...ed4 (7...cd4 8.Nd5 a6 9.Bd3=) 8.Ne2 (better is 8.Nb5 d6 9.Qe2+/–) 8...Ne4+= 9.d3 Nf6 10.Nf4 (10.bc5!? Bc5 11.Bd4+=) 10...d6 11.bc5 (11.Be2!?–/+) 11...dc5–+ 12.Be2 Bb7 13.Bf3 Bf3 14.Qf3 Qe7?? (14...Bd6 15.c3–/+) 15.Qe2?? (better is 15.Kf1 0–0–0 16.Qa8 Kd7 17.Qa7 Kc8 18.Qa8 Kc7 19.Qa5 Kc6 20.Qa6 Kc7 21.Bc1+/–) 15...Qe2 16.Ne2 Bd6 17.g3 a5 18.0–0 a4 19.Rfe1 0–0 20.f4 h5 21.c3 Rfe8 22.cd4 Rac8 23.dc5 Bc5 24.d4 Bd6 25.Nc3 Rb8?? 26.Re8= Re8 27.Nb5 Re2 28.Nd6 Rb2 29.Nc4 Rc2 30.Nb6 Rd2 31.Na4 Rd4 32.Nc5 Ne4 33.Ne4+– Re4 34.a4 f5 35.a5 Re7 36.a6 Ra7 37.Kg2 Kf7 38.Kf3 Kf6 39.h3 g5? 40.fg5 Kg5 41.h4 Kg6 42.Ra5 Kf6 43.Kf4 Ke6 44.Rf5 Ke7 45.Rh5 Ra6 46.Re5 Kf7 47.g4 1–0. Neumann,Frank – Lewis,Patrick, OP–2011–0–01876, 2011.

4.e4 Nf6 5.Nc3 d5? 6.Bb5+/– Bb7 7.Nf3 (better is 7.ed5 Nd5 8.Qh5) 7...Ne4? (7...d4 8.Ne5 Qd6+–) 8.Ne4+– de4 9.Ne5 Bd6 (9...Qf6+–) 10.Nc6 Qg5 11.Na7 (11.Nd4 c6 12.Bf1 0–0+–) 11...Kd8 (11...Kf8 12.Bd4 Ra7 13.Ba7 Qb5 14.Bc5+–) 12.Bd4 (12.Nc6 Kc8 13.Qe2 Qg2+–) 12...Qg2 (12...Ra7 13.Ba7 Qb5 14.Qg4+–) 13.Rf1 Bh2 (13...Ke7 14.Qh5 Qg6 15.Nc6 Kf8 16.Qd5+–) 14.Nc6 (better is 14.Qh5 Ke7 15.Bc4 Kd8+–) 14...Kc8 15.Qh5 Ba6 16.Ne7 Kd8 17.Nc6 Kc8 18.Ba7 Kb7 19.a4 Bb5 20.Qb5 Kc8 21.a5 Qf3 22.a6 Qf6 23.Qb7 Kd7 24.b5 Qa1= 25.Ke2 Qf6? 26.Nb8+– Rab8 27.Bb8 Qb2 28.Qd5 Bd6 29.a7 Qc2 30.a8Q Ke7 31.f3 Bf4 32.Qe4 Qe4 33.Qe4 Kd8 34.Qf4 Re8 35.Kd3 g6 36.Qc7# 1–0. Matthias – Master1, mySchach.de, 2004.

4.Nf3 e4 5.Nd4 Nd4 6.Bd4 a6 =.

4.Nf3 g5 5.Be5?! Ne5 6.Ne5 Bg7 +=.

4.Nf3 g5 5.Ne5 Ne5 6.Be5 f6 7.Bd4 +–.

4.Nf3 g5 5.Ne5 Qf6?? 6.d4 (6.Nd3!? Nd4 7.e3 Bg7 8.Bd4 Qg6+–) 6...d6?? (better is 6...Bg7+/–) 7.Nc6+– Bb7 (7...d5 8.Ne5 c6 9.e4 de4 10.Nc3+–) 8.Na5 d5 (8...Bc8+–) 9.Nb7 Ne7 (9...Rb8 10.Na5+–) 10.e3 Qb6 11.Nc5 0–0–0 (11...Rd8 12.Bd3+–) 12.Qh5 Qg6 13.Qg6 fg6 (13...Ng6 14.Bb5 Nh4 15.g3+–) 14.Bb5 c6 15.Ba6 Kb8 16.Ne6 Bh6 (16...Rd7 17.Ng5 Nf5 18.c4+–) 17.Nd8 Rd8 18.0–0 Kc7 19.Nc3 Rd6 20.b5 Kb6 21.a4 Kc7 22.Ba3 Rd7 23.Rfb1 c5 24.Bc5 Kd8 25.b6 Nc6 26.b7 (26.Bb5 ab6 27.Bb6 Kc8 28.Bc6 Rd6 29.Bd5 Bf8+–) 26...Ke8 27.b8Q Nb8 28.Rb8 Rd8 29.Bb5 Kf7 30.Rd8 a5 31.Nd5 Ke6 (31...Kg7 32.Rd7 Kg8 33.Nf6 Kh8 34.Rh7) 32.Nc7 (32.Re8 Kf7 33.Re7 Kf8 34.Rh7 Kg8 35.Nf6) 32...Kf5 (32...Kf6 33.Ne8 Ke6 34.g4 Bg7 35.Bc4) 33.Bd3 (33.Be2 g4 34.Be7 g3 35.Rd5 Ke4 36.Bf3) 33...Kf6 (33...Kg4 34.Be2 Kh4 35.g3 Kh3 36.f3 g4 37.Bf1) 34.Ne8 Ke6 35.e4 g4 (35...Bg7 36.Bc4) 36.Bc4# 1–0. Maec,Michael – Dammer,Axel, remoteschach.de, 2003.

4.f4 e4 5.e3 (5.Nc3+=) 5...d5 (5...a6 6.Nc3 d5 7.Nge2=) 6.Be2 (6.Bb5 Bd7+/–) 6...a5 (6...a6 7.a4=) 7.c3 (7.Bb5 Bd7+=) 7...a4 (better is 7...Rb8!?=) 8.Bb5+/– Bd7 9.Ne2 Qf6 (9...Ne5 10.Bd7 (10.fe5?! Bb5 11.e6 Qh4 12.g3 Qh5=) 10...Nd7 11.c4 dc4 12.Nbc3+/–) 10.0–0 (10.Ba4 Qh4 11.Ng3 Nf6+/–) 10...Qg6 (10...Nb8 11.Nd4+/–) 11.Bc6 (11.Ba4!? Bd6 12.c4 dc4 13.Qc2+–) 11...Bc6 12.g3 (12.Nd4 Bd7+=) 12...Nf6 (12...Bb5 13.f5 Qg5 14.Rf2+=) 13.h3 (better is 13.c4!?+=) 13...Bd7 14.Kh2 Qh5 15.Ng1 Bg4 (15...Qd1 16.Rd1 Bb5 17.c4 Bc4 18.Bf6 gf6 19.Nc3+=) 16.Qe1 (16.Qc2 Be2 17.Ne2 Qe2 18.Kg1 Nh5+=) 16...Bf3 17.Nf3 Ng4? (17...ef3 18.g4 Ng4 19.Kg3 Nf6 20.Rf3 Ne4 21.Kg2 g5–/+) 18.Kg2+– ef3 19.Rf3 Be7? (19...Nf6+–) 20.hg4 Qg4 21.Qh1 0–0 22.Qh3 Qg6 23.d4 Qc2 24.Rf2 Qe4 25.Kf1 Qe3 26.Bc1?? Qc1+= 27.Kg2 Qe1 28.g4 Qe4 29.Kg1 Ra6 30.Nd2= Qc2 31.Qe3 Re6–/+ 32.Qf3 Qb2 33.Nf1?? Qa1–+ 34.Qd5 Qc3 35.Qa2 Bh4 36.Rh2 Qd4 37.Kh1 Re1 38.Qg2 Bf6 39.Qh3 Qe4 40.Kg1 Bd4 (40...Bd4 41.Rf2 Re2–+) 0–1. Valpa – Dc, playchess.de, 2004.

4.f4 ef4!? 5.e4 fe3 –/+.

3.a3 e6

4.e3 a6 5.c4 bc4 6.Bc4 Bb7 7.Nf3 Nf6 8.d3 (8.0–0 Be7) 8...Be7 9.Nbd2 h6 (9...0–0 10.0–0) 10.Rc1 0–0 11.d4 (11.0–0 a5 12.b5 Na7) 11...Na7 12.Be2 (12.Nb3 Nb5) 12...Nb5 (12...a5 13.ba5 Nc6 14.0–0) 13.Qc2 c6 (13...Rb8 14.0–0) 14.Nc4+/– Ne8 (14...Rb8) 15.Nce5 (15.Na5 Rb8) 15...f6 (better is 15...a5!?=) 16.Ng6+/– Rf7 17.Bc4 (17.Ne7 Qe7 18.0–0 a5) 17...Ned6 (17...a5 18.Ne7 Qe7 19.ba5 Ra5 20.Rb1=) 18.Bd3+/– f5 (18...a5 19.Ne7 Re7 20.a4) 19.Nfe5 Rf6 20.h3 (20.Ne7 Qe7 21.Qc5 Raf8) 20...Nf7 21.g4 (21.Ne7 Qe7 22.0–0 a5) 21...Ne5 (21...c5 22.0–0 cb4 23.Ne7 Qe7 24.ab4 A) < 24...Qb4 25.Nd7 (< 25.gf5 ef5 26.Kh2 Ne5 27.de5 Rc6=+) 25...Rg6 26.f3; B) 24...Be4=) 22.Ne5?? (22.Ne7 Qe7 23.de5 Rff8 24.gf5 ef5+–) 22...fg4?? (better is 22...c5 23.0–0 cb4 24.ab4 fg4 25.Bh7 Kf8=+) 23.Ng4+/– Rf7 24.Ne5 Rf6 25.Rg1 Nd6 26.d5! cd5 27.Bh7 Kf8 28.Ng6 Kf7? 29.Bf6 Bf6 30.Nf4 Ne4 31.Nh5 Rc8 32.Qd1 Ng5 33.Rc8 Qc8 34.Bc2 d4 35.e4?? (35.Rg3 Be4 36.Be4 Ne4=) ½–½. Vahl,Laurens – Niesert,Tom, NED–ch U16 op, 2000.

4.e3 Nf6 5.Bb5+/– Be7 6.Be2 0–0 7.Nf3 Bb7 8.0–0 d5 9.c4 dc4 10.Bc4 a5 11.Qb3 (11.b5 Na7+/–) 11...a4? (better is 11...ab4 12.ab4 Ra1 13.Ba1 Qd6=) 12.Qc2+/– Ba6?? (better is 12...Nb8+/–) 13.Ba6 Ra6 14.b5 Rb6 15.bc6 Nd5 16.Nc3 Nc3 17.Bc3 Rc6 18.Qa4 Rb6 19.Rfb1 Bd6 20.Rb6 cb6 21.Rb1 Bc5 22.d4 Bd6 23.Rb6 Qb6+= 24.Bb4 Bb4 25.ab4 Rb8 26.Ne5 Qc7 27.g3 h6 28.b5 Qc1 29.Kg2= Rc8 30.Nc6 Qb1?? 31.Ne7+– Kh7 32.Nc8 Qe4 33.f3 Qe3 34.b6 Qe2 35.Kh3 g5 36.b7?? Qf1 37.Kg4 f5 38.Kh5 Qh3 0–1. Fournier,Frederic (1925) – javo298 (1880), Active (2/0), 2005.

4.e4 d5 5.d3 Be7 6.Nd2 Nf6 7.f4 0–0 8.Ngf3 Bd6 9.e5 Be7 10.ef6 Bf6 11.Qc1 Bb2 12.Qb2... (26.) 1–0. Kucharkowski – Mussbach, Freital 1981.

4.e4 e5 5.d4 (5.Bb5!? Nf6 6.Nf3+/–) 5...ed4 6.Bb5 Bb7 7.Nd2 (7.Nf3+=) 7...a6 (7...a5!?=) 8.Bc4 (8.Bc6 dc6 9.Ngf3 c5+/–) 8...Nf6 9.Ndf3 Increases the pressure on d4 (better is 9.Ngf3!? Bd6 10.0–0+/–) 9...Ne4+= 10.Qe2 d5 11.Bd3 h6 (better is 11...Bd6!? 12.Be4 0–0 13.Bh7 Kh7 14.Qd3 Kg8=) 12.Nd4= Nd4 13.Bd4 Bd6 14.Bg7 Rh7 (better is 14...Rg8 15.Bd4 Rg2=) 15.Bd4+– Qh4 16.Be4 (better is 16.Rb1+–) 16...de4= 17.0–0–0 0–0–0 (17...Qg5!? 18.f4 Qf4 19.Kb1 f5=) 18.Kb1+= f5 (18...Bh2?? 19.g3 Qg5 20.Rh2+–) 19.g3 Qe7 20.g4?? (20.Nh3!?+=) 20...f4 (20...e3 21.f3 fg4 22.Be3–+) 21.Ba7 (21.h4 Kb8=) 21...f3 (21...Qh4 22.Bc5 e3 23.fe3 Bc5 24.Nf3 Qg4 25.Rd8 Kd8 26.Rg1 Bf3 27.Qd3 (27.Rg4?? Be2 28.Rg8 Ke7 29.ef4 Bd6–+) 27...Rd7 28.Rg4 Rd3 29.Rf4 Ra3 30.Rf3–+) 22.Qf1 Rg7 23.Re1?? (23.Qc4 Rd7+= (worse is 23...Rg4 24.Nf3 Qf6 25.Nd4+/–)) 23...Rg4?? (better is 23...Bb4 24.Re3 Ba3 25.Nf3 Bc5 26.Bc5 Qc5–+) 24.Nf3+= Qh7 (24...a5!?+=) 25.Qh3 h5 26.Ng5?? (26.Nd4 Qf7=) 26...Qg6 (better is 26...Qf5–+) 27.Be3= Be5 28.Rhg1 Kb8 29.Rg4 hg4 30.Qg4 Bh2 31.Bf4 Bf4 32.Qf4 Increasing the pressure on the isolated pawn on e4 32...Qb6 33.Ne4 a5 (better is 33...Qd4+/–) 34.Qf7?? (34.Nc5 ab4 35.ab4 Bc8+–) 34...Be4?? (better is 34...ab4 35.a4 Bc6=) 35.Re4+– Rd1 (35...Kb7 36.f4+–) 36.Ka2 ab4?? (36...Rd2 37.Qe8 Ka7+–) 37.Rb4 Qb4 (37...Kc8 38.Rb6 cb6 39.Kb3+–) 38.ab4 Kb7 (38...Kc8+–) 39.Qf3 c6 40.Qd1 1–0. rimazu (2020) – valerypavlovich (2105), net–chess.com, 2015.

4.e4 Nf6 5.Bb5 Ne4 6.Bc6 dc6 7.Nf3 a5 8.Qe2 Ng5 (8...Nf6 9.ba5 Ra5 10.0–0) 9.Ne5 Bb7? (9...Ba6 A) 10.Nc6? Qd5 (10...Be2?! 11.Nd8 Bb5 12.Nc3=) 11.Qg4 Qc6 12.Qg5 Qc2–+; B) 10.c4 ab4 11.ab4) 10.Qc4?? (better is 10.h4 ab4 11.hg5 Qg5 12.Qf3+–) 10...c5?? (better is 10...Qd5 11.Qg4 f6=+) 11.Qb5+– c6 12.Qb7 Rb8 (12...Qc8 13.Qc8 Rc8 14.ba5 f6+–) 13.Qc6 Ke7 14.Qc5 Ke8 15.Qa7 (better is 15.Qc6 Ke7 16.Qa4+–) 15...ab4 (15...f6 16.Nc6 Ra8 17.Qa5 Ra5 18.Nd8 Ra6+–) 16.h4 (16.Qa4 Ke7 17.Nc6 Kd6 18.Nd8 Nf3 19.gf3 Rd8 20.ab4 e5 21.Qa5 Ra8 22.Qe5 Kd7 23.Ra8 Bd6 24.Qb5 Ke6 25.Ra7 Re8 26.Qe8 Kf5 27.Qf7 Kg5 28.h4 Kh6 29.Bg7) 16...ba3 17.hg5 ab2 18.Qf7# 1–0. Andreas – alias@, mySchach.de, 2005.

3.a3 f6

4.e3 a6 5.Nf3 e5 6.c4 bc4 7.Bc4 Nh6 8.0–0 Bb7 9.d4 e4 10.Nh4 (10.Nfd2!? Nf7+–) 10...d5+/– 11.Bb3 Ne7 12.g3 (12.Nc3!?+/–) 12...g5 13.Qh5 Nf7 14.Nc3 c6?? (better is 14...gh4!? 15.Ne4 Bg7+=) 15.Ng2 (15.Ne4!? Ng6 16.Ng6 hg6 17.Qg6 Rh6=) 15...Ng6 (15...Nf5!?+/–) 16.f3+– Nd6 17.f4 Bc8 18.g4 White intends f5 18...Nc4 (18...Kd7 19.Rac1 Rb8+–) 19.Bc4 dc4 20.f5 Kf7 (20...Rg8 21.Ne4 (worse is 21.fg6 hg6 22.Qh3 Qe7+–) 21...Qe7 22.Nc5+–) 21.fg6 Kg7 22.Nh4! (22.Ne4?! hg6 23.d5 gh5 24.Bf6 Qf6 25.Nf6 Bg4 26.Ng4 hg4 27.dc6 Bd6=) 22...gh4 (22...Be7 23.d5 Bg4 24.Qg4 hg6 25.Ng6 Kg6 26.Qf5 Kh6 27.dc6 Qc8 28.Qe4 Qd8+–) 23.g5 f5 (23...hg6 24.gf6 Qf6 25.Qh8 Kh8 26.Rf6 Bh6+–) 24.Ne4 h6 25.d5 Kg8 (25...c3 26.Bc3 Kg8 27.Nf6 Qf6 28.gf6 Bc5 29.bc5 Ra7 30.f7 Rf7 31.gf7 Kh7 32.Bh8 cd5 33.f8Q d4 34.Qhh6) 26.Nf6 Kg7 27.Nh7 (27.gh6 Rh6 28.Ng4 Kg8 29.Nh6 Bh6 30.Qh6 Qg5 31.Qg5 Be6 32.Qe7 c3 33.Bc3 Bd5 34.Qg7) 27...Kg8 28.gh6 Rh7 (28...Ra7 29.Nf6 Qf6 30.Bf6 Rh6 31.Qg5 cd5 32.Rf5+–) 29.gh7 Kh7 30.Qf7 Kh6 31.e4 Qg5 32.Kh1 h3 33.Bc1 f4 (33...Ra7 34.Qf8 Kh7 35.Bg5 Rb7 36.Rf4 cd5 37.Rh4 Kg6 38.Qf6) 34.Bf4 Qf4 (34...Ra7 35.Bg5 Kg5 36.Rg1 Bg4 37.Qf5 Kh6 38.Rg4 cd5 39.Qg6) 35.Rf4 c3 (35...Be7 36.Qe7 cd5 37.Rh4 Kg6 38.Rg1 Bg4 39.Rgg4) 36.Rg1 cd5 (36...Bg4 37.Rfg4 cd5 38.Rh4) 37.Rh4 1–0. croach (2360) – valerypavlovich (2120), net–chess.com, 2015.

4.e4 a6 5.Nf3 g5? (better is 5...Bb7) 6.Ng5!!+– fg5 (6...e6 7.Qh5 Ke7 8.Qf7 Kd6 9.Nh7 Bb7 10.Nf6 Nf6 11.Bf6 Ne5 12.Be5 Ke5 13.d4 Kd6+–) 7.Bh8 (7...Nf6 8.Bf6 ef6 9.Qh5 Ke7 10.Qh7 Ke8 11.Qg6 Ke7 12.Nc3+–; 7.Qh5#) 1–0. wlittle (2175) – foxie, net–chess.com, 2005.

3.a3 Nf6

4.e3 a6 5.Nf3 g6 6.c4 bc4 7.Bc4 d5 8.Be2 Bf5 9.d3 Qd6 10.Nbd2 e5 (10...Bd7 11.Nb3+=) 11.d4 (11.Qa4 Bd7 12.b5 Nd8 13.Be5 Qb6+–) 11...Nd7? (better is 11...ed4 12.Nd4 Nd4 13.Bd4 Rg8+/–) 12.de5+– Qe6 13.Rc1 Bg7 14.Ng5 Qe7 15.Nf7 Qf7 16.Rc6 Rf8? 17.Nf3 Be5 18.Ne5 (18.Ne5 Ne5 19.Be5+–) 1–0. Luettig,Hendrik – Stoephasius,Christian, Pinneberg–ch, 2005.

4.e3 Rb8!? +=.

4.e3 g6 5.Bb5+/– Bg7 6.Nf3 Rb8 7.Be2 0–0 8.d4 a6 9.c4 Na7 10.Nc3 c6 11.0–0 d6 12.Qc2 Bf5 13.Bd3 Bg4 14.Be2 Bf5 15.e4 Bg4 16.h3 Bc8 17.Rfd1 Qc7 18.e5 Nd7 19.ed6 ed6 20.c5 d5 21.Nb1 (21.Re1 Nb5+–) 21...Nb5 22.Bb5 (22.Re1!?+/–) 22...ab5+= 23.Nbd2 Nf6 24.Re1 Re8 25.Re8 Ne8 26.Re1 Bf5 27.Qd1 Nf6 28.Ne5 Ne4 29.Ne4 Be4 30.f3 Bf5 31.Qd2 Re8 32.Kf2 Be5 (32...Re7 33.Bc1+=) 33.Re5 Re5 34.de5 Be6 35.g4 (35.Qg5 Qb8+–) 35...Kg7 36.f4 Qd7?? (36...Qe7 37.Kg1+/–) 37.Qd3 h5? 38.f5!+– gf5 39.gf5 Bf5 40.e6 Kf8 41.ed7 Bd7 (41...Ke7 42.Qf5 d4 43.Bd4 Kd8 44.Bf6 Kc7 45.d8Q Kb7 46.Qfd7 Ka6 47.Qa5) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.e4 a6 5.Nc3 =.

4.e4 Ba6 5.a4 Ne4? 6.ab5+– Bb5 7.Bb5 Nb4 8.Nf3 a6 9.Bc4 d5 10.c3 dc4 11.Qa4 Qd7 12.Qd7 Kd7 13.cb4 Rb8 14.Ne5 Ke8 15.Ra6 e6 16.Nc6 Rb5 17.Na3 Rb6 18.Ra8 Kd7 19.Ne5 Ke7 20.Nac4 Rb4 21.Nc6 Kd7 22.N4e5 Kd6 23.Nb4 (23...Kc5 24.Rb8+–) 1–0. Nemec,Zdenek – Crossman,Chris, CP–2003–00047, 2003.

4.e4 e5 5.Bb5 Nd4 6.Bd4 ed4 7.Nf3 c5 8.0–0 Be7 9.e5+– Nd5 10.c3 Qb6 11.Bc4 Bb7 12.bc5 Qc5 13.Qb3+– dc3? 14.Qb7 0–0 15.Qd5 (15...Rac8 16.Qc5 Rc5 17.d3+–) 1–0. pcmvr (2225) – reyr (2155), net–chess.com, 2006.

4.Nf3 a6 5.Nc3 =.

4.Nf3 d5 5.e4 Ne4 6.Bb5 Bd7 7.0–0 Nb8 8.Qe2 c6 9.Bd3 Nd6 10.Re1 e6 11.Qe5 Be7? 12.Qg7+– Rf8 13.Bh7 Nf5? 14.Bf5 ef5 15.Ng5 f6 16.Qg6 Rf7 17.Qf7# 1–0. weBNimzo (2100) – The Phoneguy, ChessWorld.net, 2003.

3.a3 Nh6

4.e3 e6 5.f4 f5 (5...a5 6.Bb5 Bb7 7.Nf3=) 6.Nf3 Be7? (Better is 6...Rb8+=) 7.Bg7+– Rg8 (7...Bf6 8.Bh8 Bh8+–) 8.Bh6 Rg6 9.Bg5 Bg5 10.Ng5 Ke7 11.Nc3 Qg8 12.Nb5 h6 13.Nf3 Rg2 14.Bg2 Qg2 15.Rg1 Qh2 16.Nc7 Rb8 17.Qe2 Bb7 18.Qh2 Na5 1–0. zobec – carrasclas, Live Game Caissa's Web, 2004.

4.e4 Rb8 5.Nc3.

4.e4 e5 5.Bb5 Bb7 6.d3 Bd6 7.Nf3 Ne7 8.Be5 c6? 9.Bg7 Rg8 10.Bc6?? Bc6? 11.Bh6+– Rg6 12.Bg5 f6 13.Nbd2 fg5+/– 14.Nd4 Ba4 15.N4b3 Qb6 16.Nc4+/– Qc7 17.Qh5 0–0–0? 18.Nd6 Qd6 19.Qh7?? Qf6–+ 20.e5? Qe5 21.Kd2 Rh8 22.Qf7 Rg7 23.Qc4=+ Kd8 24.g3? Rf8 25.Raf1 Rgf7 26.Qc5=+ d5 27.d4?? Qe4 28.Qa5 Kc8–/+ 29.f4 Bc6?? 30.Qc5 gf4 31.Re1 Qh7?? 32.b5 fg3 33.hg3+– Rf2?? 34.Kc1 Qg6 35.Re7 Kd8 36.Rhe1 Re8 37.Re8 Be8 38.Qe7 Kc8 39.Qe8 Qe8 40.Re8 Kc7 41.Re7 Kd6 42.Ra7 Rf1 43.Kb2 Rg1 44.Rg7 Ke6 45.Nc5 Kf6 46.Rd7 Rg3 47.Rd5 Ke7 48.a4 Rg8 49.Kb3 Re8 50.a5 Rb8 51.c4 (51...Rh8 52.Rd7 Ke8 53.a6 Rh3 54.Ka4+–) 1–0. 1805DYDIDIDY – Gregor123, mySchach.de, 2005.

3.a4 ba4

4.b5 Nb4 5.e4+/– Nc2? (better is 5...e6 6.c3 Qf6+–) 6.Qc2+– Bb7 7.Ra4 c6 8.Nf3 Nf6 9.Nc3 a6 (9...e6+–) 10.ba6 Bc8 11.e5 Ng4 (11...Nd5 12.Nd5 cd5 13.Bd4+–) 12.Rg4 Ba6 13.Ba6 Ra6 14.0–0 e6 15.Ne4 Ra2 16.Qb1 Ra5 17.Nd6 Bd6 18.ed6 Rb5 19.Bg7 Qb8 20.Bh8 Qd6 21.Rg8 Ke7 22.Qh7 Qf4 23.Re1 Ra5 24.Qg7 Rb5 25.Qf8 1–0. Fournier,Frederic (2470) – Albator (1760), echecsemail.com, 2010.

4.Ra4 Rb8

4.b5 Rb8

5.c4 d5 6.bc6 Rb2 7.Nf3 Nf6 =+.

5.c4 a6

6.Qa4 e6 7.bc6 Rb2 8.Nf3 Nf6 =+.

5.e4 a6

3.a4 Ba6?

4.ab5 Bb5+/– 5.Na3 Ba4 6.b5 Nb8?? (better is 6...Rb8 7.e3 a6 8.bc6 Rb2+/–) 7.e3+– d5 (7...c6 8.Qg4 cb5 9.Bb5 Bb5 10.Nb5 Nf6+–) 8.Qg4 Bb5 9.Bb5 c6 10.Bg7 Nh6 11.Bh6 Bh6 12.Bd3 Nd7 13.e4 Qa5? 14.f4 e5 15.Nf3 Bf4 16.0–0 de4 17.Be4 Nf6 18.Qf5 Ke7 19.g3 Ne4 20.Qe4 Bg3 21.hg3 f6 22.d4 Rhg8 23.Qh7 Ke6 24.d5! cd5 25.Nd4! ed4 26.Rfe1 (26.Rfe1 Qe1 27.Re1 Kd6 28.Qe7 Kc6 29.Re6#) 1–0. Couspeyre,Thierry – Goti,Javier, OP–2012–0–02306, 2012.

4.e4+/– Nb4? 5.c3+– (5.Bb5?! Bb7 6.d3 a6=) 5...Nc6 6.ab5 Qb8? (6...Bb7 7.bc6 Bc6+–) 7.Ra6 (7.ba6?! Qb2 8.Na3 Rb8=) 7...e5 (7...e6 8.d4+–) 8.Nf3 Nf6 9.Qc2 (9...Nd8 10.Ne5+–) 1–0. Wall,Bill – Sagarmatha, internet, 2003.

4.e4+/– Bb7!? 5.ab5 Nb8 +/–.

3.a4 Nb4

4.ab5 Bb7 5.c3 Nd5 6.Nf3 e6 7.c4 Nb6 8.Qc2 h6 (8...a5 9.ba6 Ra6 10.Ra6 Ba6 11.e4+=) 9.e4 Nf6 10.d3 Be7? (better is 10...Bb4 11.Nbd2 a5+=) 11.c5+– Nc8 12.c6 dc6 (12...Bc6 13.bc6 0–0 14.Nbd2+–) 13.bc6 Rb8 (13...Qd6 14.cb7 Qb4 15.Nbd2 Qb7+–) 14.cb7 Bb4 15.Nbd2 Ne7 (15...Nb6 16.Ra7 Nbd7+–) 16.Qa4 c6 (16...Qd7 17.Qb4 c5 18.Qc5 Rb7 19.Bf6 gf6 20.Qc3+–) 17.Qb4 0–0 (17...a5 18.Qa5 Rb7 19.Qd8 Kd8 20.Ne5+–) 18.Ra7 Nd7 19.Ne5 (better is 19.Qd6 Ng6+–) 19...Nb6 (19...f6 20.Nd7 Qd7 21.Nb3+–) 20.Bd4 Nd7 21.Nd7 (better is 21.Qd6!? Ne5 22.Be5 Kh7+–) 21...Qd7 22.Be5 Rbd8 (22...c5 23.Qb6 Nc6 24.Bb8 Nb8 25.Qc5+–) 23.b8Q (23.b8Q Rb8 24.Bb8+–) 1–0. Farto Orozco,David (1785) – Alvarino Pita,Fernando, Cambados op, 2008.

4.ab5 Nd5? 5.e4+/– Nb6 6.d4 Bb7 7.Nd2 f6? (better is 7...Nf6 8.Bd3 g6+/–) 8.c4+– d6?! (8...d5 9.ed5 a6 10.ba6 Ra6 11.Ra6 Ba6+–) 9.c5 dc5 10.dc5 Nc8 (10...e5 11.Qc2+–) 11.c6 Bc6 12.bc6 Qd6 (12...e5 13.Qb3+–) 13.Ba3 Qc6 (13...Qe5+–) 14.Qh5 g6 15.Bb5 Qb5 (15...gh5 16.Bc6 Kf7 17.Ba8 Nh6+–) 16.Qb5 Kf7 17.Qd5 Kg7 18.Qa8 Nd6 19.Bd6 cd6 20.Ne2 e5 21.Ra7 Ne7 22.Qe8 Rg8 23.Re7 Be7 24.Qe7 Kh8 25.Qf6 Rg7 26.Qd6 Kg8 27.Qd8 Kf7 28.Nf3 Rg8 29.Qd7 Kf6 30.Ne5! Ke5 31.Qe7 1–0. pcmvr – samantho (1915), net–chess.com, 2015.

3.a4 Bb7

3.a4 Rb8

4.ab5 Rb5

4.c3 ba4

5.d4 a5 6.d5 ab4 7.dc6 a3 8.Bc1 +–.

3.e3 a6

4.a3 d6 5.c4+= bc4 6.Bc4 d5 7.Be2 e6 (7...e5 8.Nf3 e4 9.Ne5 Ne5 10.Be5=) 8.d4 Bd6 9.Nf3 Nf6 10.0–0 0–0 11.Nbd2 Bb7 (11...Ne7 12.Ne5+=) 12.Nb3 Re8 13.Nc5 Bc5 14.bc5 e5 (14...Ne4 15.Rb1+=) 15.de5+/– Ng4 16.Bd3 Nge5 (16...Rb8 17.h3 Nge5 18.Ne5 Ne5 19.Bh7 Kf8 20.Bd3+/–) 17.Ne5 Ne5 18.Bh7! Kf8 (18...Kh7 19.Qh5 Double attack) 19.Qh5 (19.Rb1 Rb8+–) 19...Nd7 (19...Nc4 20.Bd4 g6 21.Bg6 fg6 22.Qg6 Re7+–) 20.Bg6 fg6 21.Qh8 Ke7 22.Qg7 Ke6 23.Qg6 Nf6 24.f4 Rf8 25.Rad1 Kd7 26.Qf5 Ke8 27.Qg6 Kd7 28.Qf5 ½–½. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

4.a3 d6 5.Nf3 e5 6.c4 bc4 7.Bc4 Bg4 (7...Nf6 8.Qc2 Bb7 9.0–0+=) 8.Bd5 Qd7 9.h3 Bh5 10.d4 ed4 11.Nd4 Bd1 12.Bc6 Qc6 13.Nc6 Ba4 14.Nd4 (14.Na5 Bd7+=) 14...Nf6 15.Nc3 Bd7 16.Ke2 Be7 17.Rhc1 0–0 (17...c5 18.Nc2=) 18.Rc2 ½–½. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

4.a3 e5 5.c4 bc4 6.Bc4 d5 7.Be2 Nf6 8.Nf3. Fournier,Frederic – Roy,Claude, Active Game Senlis FRA, 1997.

4.a3 e5 5.Be2 =.

4.a3 f6 5.c4 bc4 6.Bc4 e5 7.Nf3 d5= 8.Be2 Bd6 9.Nc3 Nge7 10.d4 e4 11.Nd2 0–0 (11...Be6!?+=) 12.Qb3+/– Be6 (12...Kh8!?+/–) 13.Nde4!+– Kh8 (13...de4 14.Qe6 Double attack (14.Qe6 Pinning; 14.Qe6 Deflection; 14.Qe6 Decoy)) 14.Nd6 Qd6 15.0–0 Rfc8 16.Rfc1 Nd8 17.b5 (17.Bd3 Qd7+–) 17...ab5 18.Bb5 c5 (18...Rcb8 19.Qc2+/–) 19.dc5+– Rc5 20.a4 Rc7 21.Ba3 Qe5 22.Ne2 (22.Be7 Re7 23.Rd1 Rc7+/–) 22...Rac8 23.Nf4 (23.Be7 Re7 24.Nd4 Kg8+–) 23...Rc1 24.Rc1 Rc1 25.Bc1 Bg8 26.Bb2 Qc7 27.Qb4 Nb7 28.Nh5 Nf5 29.g4 Nh6?? 30.Nf6! (30.Nf6 Qc2 31.Ne8 Qd1 32.Kg2+–) 1–0. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

4.a3 f6 5.c4 bc4 6.Bc4 e5 7.Nf3 d5= 8.Be2 g6 9.d4 Bg7 10.de5 fe5 11.Nc3 (11.b5 Rb8 12.Qc2 Na7 13.Ne5 Nf6+/–) 11...Nge7 (11...e4 12.Nd2 Nge7 13.Qb3+/–) 12.0–0 (12.Qb3 Be6+=) 12...0–0 13.Na4 Bd7 (13...e4 14.Nd4+=) 14.Nc5+/– a5? (better is 14...Bg4!?+/–) 15.b5+– (15.Nd7?! Qd7 16.b5 Na7 17.Ne5 Qe6+/–) 15...Na7 16.Ne5 (16.Be5 Be5 17.Ne5 Bb5 18.Bb5 Nb5+–) 16...Be5 (16...Bf5 17.Bd4+–) 17.Be5 Bb5 18.Bb5 Nb5 19.Ne6 Qc8 20.Nf8 Kf8 21.Qf3 (21.Qf3 Qf5 22.Qf5 gf5 23.a4+–) 1–0. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

4.a4 Bb7 5.ab5 ab5 6.Nc3 e6 7.Nf3 Nf6 8.Ra8 Qa8 (8...Ba8!? 9.Nb5 Nb4+=) 9.Nb5+/– Nd5? (better is 9...Qd8 10.Bf6 Qf6+/–) 10.c4+– Qa2 (10...Ne3 11.fe3 (11.Nc7?! Kd8 12.fe3 Kc7+–) 11...Qd8 12.Be2+–) 11.cd5 Nb4 12.Nc7 Ke7 13.d6! Kd8 (13...Kd6 14.Ne8 Double attack) 14.Qc1 (14.Ne5 Bd6 15.Nf7 Ke7 16.Nd6 Qb2 17.Nb7 Nc2 18.Ke2 Rc8+–) 14...Bd6 (14...Bf3 15.gf3 Qb3 16.Ne6 fe6 17.Qc7 Ke8 18.Qc8 Kf7 19.Qd7 Kg8 20.Qc8 Nc2 21.Ke2 Qb5 22.d3+–) 15.Nb5 Bf8 (15...Be7 16.Bg7 Qc2 17.Qc2 Nc2 18.Kd1+–) 16.Qc7 (better is 16.Ne5 Ke8 17.Nc7 Ke7 18.Qc5 Kd8 19.Nf7 Kc8+–) 16...Ke7 17.Ne5 (17.Qb7?! Qb1 18.Ke2 Qd3 19.Kd1 Qc2 20.Ke1 Qb1 21.Bc1 Qc1 22.Ke2 Qc4 23.Kd1 Qc2 24.Ke1 Qc1 25.Ke2 Qc4 26.Ke1 Qc1=) 17...Qb2 (17...Bc6 18.Qd6 Kd8 19.Qb8 Ke7+–) 18.Qd7 (18.Qb7?! Qa1 19.Ke2 Qe5=) 18...Kf6 19.Qf7 (19.Qb7?! Qe5 20.d4 Qf5+/–) 19...Ke5 20.d4 (20.Qb7?! Qb1 21.Ke2 Qd3 22.Kf3 Qf5 23.Kg3 Qg5 24.Kh3 Qh5 25.Kg3 Qg5 26.Kh3 Qh5 27.Kg3 Qg5=) 20...Kd5 (20...Qd4 21.ed4 Kd5 22.Qf3) 21.Qf3 1–0. Sixty4 – Klm, playchess.de, 2005.

4.a3 e6

5.Nf3 Bb7 6.d4 d5 7.Bd3 g6 (7...Bd6 8.c3=) 8.Nbd2 Bg7 9.0–0 Nge7 (9...Nf6 10.c3+=) 10.e4 (10.Nb3 Bc8+/–) 10...0–0 11.ed5 (11.e5 f6+=) 11...Nd5 12.c4 (12.Ne4 Ra7=) 12...Nf4+= Will d4 fall? 13.Be4 f5 14.Bc6 Bc6 15.c5 (15.Rb1 bc4 16.Nc4 Bb5=) 15...Re8 (15...g5 16.Ne1–/+) 16.Kh1 g5 17.h3 (17.Qb3!?+=) 17...g4 18.hg4 fg4 19.Ne1 (19.g3 Nd3 20.Bc3 Bd4 21.Bd4 Qd4 22.Kh2 gf3 23.Nf3–+) 19...Qh4–/+ 20.Kg1 Nh3?? (better is 20...Qh5 21.Ne4 Be4–+) 21.gh3= Qh3 22.f3 e5 23.de5+– Re5 24.Be5 Be5 25.Qe2?? Bd4–+ 26.Rf2 g3 (26...g3 27.Nf1 gf2 (27...Ba1?! 28.Rg2 Bd4 29.Ne3–+) 28.Qf2 Bf2 29.Kf2 Qh4 30.Kg2 Kf7–+) 0–1. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

5.Nf3 Bb7 6.d4 Nce7 7.Bd3 Nf6 8.0–0 g6 (8...Be4 9.Be2+=) 9.Nbd2+/– Bg7 10.Qe2 0–0 11.Rfc1 d5 1–0. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

5.Nf3 Bb7 6.d4 Nf6 7.c4 bc4 8.Bc4 +=.

5.Nf3 f6 6.d4 d5 7.Bd3 Bd6 8.Nbd2 Nge7 9.0–0 0–0 10.Re1 (10.e4 Bf4+=) 10...Ng6 (10...e5 11.e4+=) 11.Bg6+= hg6 12.e4 Bb7 ½–½. Fournier,Frederic – Fournier,Jean_Noel, Partie Libre (Active), 1995.

5.Nf3 Nf6 6.c4 bc4 7.Bc4 +=.

3.e3 Nb4

4.a3 Na6 5.Bb5 c6 6.Be2 Nf6 7.Nf3 e6 8.0–0 Bc5 9.d4 Bb6 10.Nbd2 d5 11.c4 0–0 12.c5 Bc7 13.Rb1 Re8 14.Bd3 Nb8 15.e4 Ba6 16.Ba6 Na6 17.e5 Nd7 18.Qc2 Nf8 19.Ba1 Ng6 20.Qa4 Nb8 21.Rb7 a5 22.Rfb1 Qd7 23.Nf1 Na6 24.Qa5 Reb8 25.Rb8 Rb8 26.Rb8 Nb8 27.Qd2 Qc8 28.a4 Qa6 29.Qc2 Nf4 30.Ne3 Qd3 31.Qd3 Nd3 32.Bc3 Na6 33.Kf1 Nab4 34.Ke2 Ba5 35.Nc2 Nc1 36.Kd1 Ncd3 37.Nb4 Bb4 38.Bb4 Nb4 39.Kd2 Kf8 40.a5 Ke8 41.Kc3 Na6 42.g4 h6 43.h4 Ke7 44.g5 h5 45.Nd2 f6 46.ef6 gf6 47.f4 f5 48.Nf3 Nc7 49.Ne5 Nb5 50.Kb4 Nd4 51.a6 Kd8 52.a7 Nc2 53.Ka4 1–0. Machete99 – guest671, ICC, 2002.

4.Bb5 a6 5.Be2 d5 6.a3 Nc6 7.Nf3 e5 8.Ne5 Qe7 9.Nc6 Qd7 10.Nd4 Bc5 11.Nb3 Be7 12.Bg7 Nf6 13.Bh8 Bb7 14.Bf3 c6 15.0–0 c5 16.d3 Qd6 17.Bf6 Bf6 18.d4 cd4 19.Nd4 h6 20.Ra2 Rb8 21.Qd3 Kd7 22.Bg4 Kd8 23.Nf5 Qf8 24.c4 Qg8 25.Bf3 Qg5 26.Bd5 Ke8 27.Bb7 Rb7 28.Nd6 Kf8 29.Nb7 Kg7 30.Nd6 Be5 31.Ne4 Qh5 32.g3 f5 33.Qd7 Kg6 34.Qe6 Kg7 35.Qe5 Kg6 36.Qe8 1–0. valpa – Maz, playchess.de, 2002.

4.Bb5 Rb8 5.a4 a6=+ 6.Be2 Bb7 7.Nf3 e6 8.0–0= Be4 9.d3 Bf5 10.h3 Nc6 11.Qc1 Rb7 12.Nbd2 Qb8 13.Rb1 Bb4?? 14.c3 Bc5 15.e4+– Bg6 16.d4 Bd6 17.Nh4 e5 18.Ng6 hg6 19.Nc4 Nf6 20.Qe3 Nh5 21.Nd6 cd6 22.d5 Na5? 23.Qd2 Rb6 24.Qc2 Nf4 25.Bg4 Nc4 26.Ba1 0–0 27.Rb6 Qb6 28.Rb1 Qa5 29.Bd7?? Na3–/+ 30.Qb3 Nb1 31.Qb1 Ne2 32.Kf1 Nc3 33.Qe1 Qc7 34.Bc6 Ne4?? 35.Qe4+/– f5 36.Qc4 Qb6 37.Qd3 e4 38.Qd4 Qb1 39.Ke2 Qc2 40.Ke1 Rf7 41.Qc3 Qb1= 42.Ke2 f4 43.f3?? Kh7?? 44.Bb2?? Qh1 45.Qd2 Qg2 46.Kd1 Qf3 47.Qe2 Qh3 48.Qe4 f3 49.Bd4 Qg2 50.Qe3?? f2–+ (51.Qf2 Rf2 52.Bf2 Qf2–+) 0–1. gtate (1980) – heyuneverno (1890), net–chess.com, 2004.

3.e4 Nb4

4.a3 Nc6 5.Bb5 (5.d4 Rb8=) 5...a6 (5...Rb8 6.Qh5=+) 6.Bc4 (6.Bc6 dc6 7.Nc3 Rb8+=) 6...Nf6 (6...Rb8 7.Ra2=) 7.e5 (7.Bf6 gf6 8.Nf3 f5 9.ef5 d5=) 7...Ne5?? (Better is 7...Rb8 8.Ra2 Ng8=) 8.Be5+– (8...e6 9.Nc3+–) 1–0. Wall,Bill – Jedi, internet, 2003.

4.Ba3 c5 5.c3 =.

4.Bb5 Rb8 5.Nc3 =.

4.Bb5 c6 5.Bc4 d5 6.ed5 cd5 7.Qf3?? (7.Bb3 Nf6=) 7...Bb7 (Better is 7...dc4 8.Na3 Be6–+) 8.Bb3= Qc8 9.Nc3 d4?? (Better is 9...Nf6 10.Ba4 Bc6=) 10.Qf7+– Kd7 11.Be6 Kc7 12.Bc8 Rc8 13.Qf4 Kd8 14.Qf8 Kd7 15.Qg7 Nc2 16.Kd1 Na1 17.Qh8 dc3 18.Ba1 c2 19.Kc1 Bg2 20.Qd4 Ke8 21.Qg4 Bh1 22.Qc8 Kf7 23.Qc4 Kf8 24.Qf4 Nf6 25.Qb8 Kf7 26.Qa7 Ne4 27.f3 Nf2 28.Qf2 Ke8 29.Kc2 (29...Kd7 30.Qf1+–) 1–0. Taulien,Christian – Uli,Ulrich, remoteschach.de, 2003.

2.Bb2 d5

3.a3 f6 4.Nf3 (4.e4!? c6 5.ed5 Qd5 6.Nc3 Qe6 7.Be2+=) 4...e5= 5.e3 c5 (better is 5...c6!?=) 6.bc5 a6 7.d4 e4 8.Nfd2 f5 (8...Nc6 9.a4 b4 10.Be2+/–) 9.c3 (9.a4 ba4 10.c4 Nf6+–) 9...Nf6 10.Be2 g5 (10...Be7 11.a4 ba4 12.0–0+/–) 11.0–0 g4 (11...Nc6+/–) 12.g3 (better is 12.a4!? ba4 13.c4+–) 12...h5+= 13.Re1 (13.a4 ba4 14.c4 h4+/–) 13...Nc6 14.Bf1 Nd7 Black intends h4 (better is 14...h4!?=) 15.a4+/– h4? (better is 15...ba4!? 16.c4 Nf6+/–) 16.ab5+– hg3 17.fg3 Ncb8 18.ba6 Na6 19.c4 Bb7? 20.cd5 Bd5 21.Ra6 Ra6 22.Ba6 Qg5 23.Bb5 Qh5 24.Re2 Be7 25.Nc3 Bf7 26.c6 Nb6 27.c7 Kf8 28.Nf1 White prepares d5 28...Kg7 29.Na4 Na4 30.Ba4 Rc8 31.Qc2 Be6 32.d5 Kf7 33.de6 Ke6 34.Qc4 (34.Qc4 Kd6 35.Rd2) 1–0. Fournier,Frederic (1640) – michloun (1635), Active, 2006.

3.a4 c6 4.ab5 cb5 5.e3 Nc6 6.Bb5 Bd7 7.Nf3 (7.Bc6!? Bc6 8.Nf3+/–) 7...Nb4+= 8.Bd7 (8.Be2 Nc6+=) 8...Qd7 9.0–0 Nf6 (9...e6 10.d3+=) 10.c4 e6 (10...dc4 11.Ne5 Double attack (11.Ne5 Decoy)) 11.Ne5+/– Qd8 (11...Qb7 12.Qa4 Kd8 13.Bc3+–) 12.Qa4 Ke7?? (better is 12...Nd7 13.Bc3 Rb8+/–) 13.Qb4 (13.Qb4 Ke8 14.Qb7+–) 1–0. Wall,Bill – Vegeta, chess.com, 2008.

3.Nc3 a5!? =.

3.Nc3 d4 4.Nb5+= Bd7? (better is 4...e5!? 5.c3 a5+=) 5.Nd4+– 1–0. ghorn (2250) – irod, net–chess.com, 2013.

3.e3 a5 4.Bb5 c6 5.Be2 ab4 6.Nf3 =.

3.e3 a6 (--> 1.b4 d5 2.Bb2 a6 3.e3 b5).

3.e3 Ba6 4.Nf3 f6 5.Na3 e5 6.c3 Nc6 7.Nb5 Qb8? (7...Bc8 8.d4 e4 9.Nd2+/–) 8.a4 (8.Nc7 Qc7 9.Ba6 Bd6+–) 8...e4 9.Nh4 Be7? (9...Nge7 10.Nc7 Qc7 11.Ba6+/–) 10.Nc7! Qc7 11.Ba6 g5? (11...g6 12.0–0+–) 12.Nf5 (better is 12.Qh5 Kd7 13.Ng6 hg6 14.Qh8 Qb6+–) 12...Qd7 13.Ne7 Nge7 14.b5 (better is 14.0–0!?+–) 14...Nb8+/– 15.0–0 0–0 16.Ba3 Rf7 17.Qb3 h5 (better is 17...Na6 18.Be7 Re7 19.ba6 Re6+–) 18.Be7 Re7 19.c4 (19.Bc8 Qd6+–) 19...d4? (better is 19...Na6 20.ba6 dc4 21.Qc4 Kg7+–) 20.c5 Kh8 21.c6 Qe6 (21...Nc6 22.bc6 Qc6+–) 22.Qb4 (better is 22.Qe6 Re6 23.Bb7 Nc6 24.Ba8 Nb4+–) 22...d3?? (22...Na6 23.ba6 Rd8 24.Rac1 de3 25.fe3+–) 23.Qd4 (better is 23.Bb7 Nc6 24.bc6+–) 23...Na6+/– 24.ba6 Rc8 25.Rab1 Rc6 26.Rb8 Re8 (better is 26...Kg7!?+/–) 27.Qa7+– Rb8 28.Qb8 Kh7?? (28...Rc8 29.a7 Qc6+–) 29.a7 Rc8 30.Qb7 Kh6 31.a8Q Ra8 32.Qa8 Qg4 (32...h4 33.Qd8 g4 34.Qh8 Kg6 35.Qh4+–) 33.f3 ef3 34.Rf3 h4 (34...Kg7 35.Qa7 Kg6+–) 35.Qh8 Kg6 36.Qg8 Kh5 37.Qh8 Kg6 38.Qf6 Kh7 39.Qe7 Kg6 40.Rf6 Kh5 41.Qh7# 1–0. chevin – cheeze14, Live Game Caissa's Web, 2004.

3.e3 c6 (--> 1.b4 c6 2.Bb2 d5 3.e3 b5).

3.e3 Bf5 4.Bb5 c6 5.Be2 a5 (5...Qd6 6.g4 Be4 7.f3+/–) 6.a3 (6.b5 cb5 7.Bb5 Bd7+/–) 6...ab4+= 7.ab4 Ra1 8.Ba1 Nd7 (8...Qd6 9.Nf3+=) 9.c4 (9.Nf3 e6+/–) 9...dc4+= 10.Bc4 Nb6 11.Bb3 (11.Qf3 Nc4 12.Qf5 e6+/–) 11...e6 12.Qf3?? (better is 12.Bd4+=) 12...Bb4?? (better is 12...Bb1 13.Qc6 Nd7–/+) 13.Qc6?? (better is 13.Bg7 Bb1 14.Qc6 (14.Bh8?? Qd2 15.Kf1 Qe1) 14...Nd7 15.Bh8 Bd2 16.Ke2+– (16.Kd2?! Be4 17.Qa4 Bg2+=)) 13...Nd7 (13...Kf8 14.e4 Bg6 15.Nf3+/–) 14.Bg7 Ne7 15.Qb5 Rg8 16.Bf6 (16.Qb4!? Bb1 17.Bc3+–) 16...Bb1 (better is 16...Qa5 17.Qa5 Ba5 18.Be7 Ke7=) 17.Be7?? (better is 17.Qb4 Nf6 18.Ba4 Kf8 19.Qb1+=) 17...Qe7–+ 18.Nf3 (better is 18.Ba4 Qd6 19.Nf3–+) 18...Bd3?? (better is 18...Be4 19.Ne5 Qd6 (19...Bg2?! 20.Nd7 Bh1 21.Qb8 Kd7 22.Ba4 Bc6 23.Qb7 Ke8 24.Qb8 Qd8 25.Bc6 Ke7 26.Qb4 Kf6 27.Qf4 Kg7 28.d4=+) 20.Qd7 Qd7 21.Nd7 Kd7–+) 19.Qd3+– Nc5 (19...Rg2 20.Qh7 Qf6 21.Qe4+/–) 20.Qb5 Kf8 (better is 20...Qd7 21.Qb8 Qd8 22.Ba4 Na4 23.Qb4 Nb6 24.Qb5 Ke7+–) 21.Qb4?? (better is 21.Bc2 Nd7 22.0–0+–) 21...Nd3–+ 22.Ke2 Qb4 23.Be6 (23.Bc2 Nb2 24.Ne1–+) 23...Nb2 (23...Qe4!? 24.g3 fe6 25.Ra1–+) 24.Nd4 fe6 25.Ne6 Ke7 26.Nd4 (26.Nf4 Qc4 27.d3 Nd3 28.Nd3 Qc2 29.Kf3 Qd3 30.h3 Rf8 31.Kg3 Qg6 32.Kh2 Rf2 33.Rg1–+) 26...Rg2 (26...Qc4 27.Ke1 Qc1 28.Ke2 Qh1 29.Nf5 Kf6 30.e4 Qd1 31.Ke3 Qe1 32.Kd4 Qd2 33.Kc5 Qc3 34.Kb6 Rb8 35.Ka7 Qc7 36.Ka6 Qb6) 27.Rb1 (better is 27.Nc6 Kd6 28.Nb4+–) 27...Qc4–+ 28.Kf3 Rg6 (better is 28...Qd5 29.e4 Qd4 30.Kg2 Qe4 31.f3 Qb1 32.h3–+) 29.Nf5 (29.Rb2 Rf6 30.Ke4 Re6 31.Kf4 Qc7 32.Kf3 Rf6 33.Kg2 Rg6 34.Kf3 Qh2 35.e4–+) 29...Kf6 30.Nd4 Qd5 31.Ke2 Nc4 (better is 31...Qh5 32.Kf1 Qg4 33.Re1–+) 32.f4 (32.Rb5 Qe4 33.d3 Qg4 34.Ke1–+) 32...Rg2 33.Kd3 Nd6 (better is 33...Nd2 34.Rb6 Kf7–+) 34.Rb6 h5 (34...Qc4) 35.Ra6 (35.Rc6 Rh2 36.Kc3–+) 35...Qc4# 0–1. Scirocco – painter1, Live Game Caissa's Web, 2004.

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

3.e4 a5 +=.

3.e4 c6.

3.e4 d4 4.Nf3 Nc6 (4...a5!?+/–) 5.Bb5+– Bb7 (better is 5...Bd7+–) 6.Nd4 Qd7 7.Nc6 Bc6 8.Bc6 Qc6 9.Qg4 (9.Nc3 Nf6+–) 9...f6? (9...Qc2!? 10.Bc3 Nf6 11.Bf6 ef6+/–) 10.0–0 (10.Nc3 e5+–) 10...e6 (10...Qc2 11.Ba3+–) 11.Nc3 Bb4?? (11...Rd8 12.d3 Nh6 13.Qh5 Nf7+–) 12.Qg7 0–0–0 13.Qh8 Bc3 14.Bc3 e5 (14...Qe4 15.Rfe1 Qc2 16.Re6+–) 15.Qh7 Qa4 16.Rab1 Qc2 (16...a6+–) 17.Rb3 Qa2 18.Rfb1 Qb3 19.Rb3 a6 (Black claimed a win on time....... ) (19...a6 20.Ba5 Ne7 21.Qe7 Rd7 22.Qe8 Rd8 23.Qc6 Rd2 24.Qc7). laurichmax – diggerdogwoofwoof, ChessWorld.net, 2012.

3.e4 Nf6 4.e5+/– (4.Bb5?! c6 5.e5 cb5 6.ef6 ef6 7.Qe2 Qe7=) 4...Ng4 (4...Nfd7 5.e6 Nf6 6.Bb5 c6 7.ef7 Kf7 8.Ba4+/–) 5.Bb5 c6 6.Be2 Ne5? (better is 6...Nh6+/–) 7.Be5+– Na6 (7...f6 8.Bc3+–) 8.b5 Nc5 (8...f6 9.Bg3 (9.ba6?! fe5 10.Nc3 e4+–) 9...Nb8 10.d4+–) 9.bc6 f6 10.c7 Qd7 11.Nc3 fe5 (11...a6 12.Bg3 Qc6+–) 12.Bb5 Ne4 (12...Qb5 13.Nb5 Nd7 14.Rb1+–) 13.Qh5 (13...g6 14.Bd7 Bd7 15.Qe5+–) 1–0. market (2265) – NN, GameColony.com, 2002.

3.Nf3 c6 4.e3 Nd7 5.a4 ba4 6.Ra4 Nb6 7.Ra1 Bg4 8.h3 Bd7 9.Ne5 Qc7 10.Nd7 Qd7 11.d4 e5 12.c3 ed4 13.Qd4 Qf5 14.Bd3 Qg5 15.0–0 Qe7 16.Qb6 ab6 17.Ra8 Kd7 18.Ra7 Kd6 19.Re7 Ke7 20.Nd2 b5 21.Ra1 Ke6 22.Nf3 f6 23.Nd4 Kd7 24.Ra7 Ke8 25.Nc6 Ne7 26.Bb5 Kf7 27.e4 de4 28.Nd8 Kg6 29.Be8 Kg5 30.Nf7 Kh5 31.Nh8 Kg5 32.Bc1 Kf5 33.Ra8 e3 34.Be3 Nd5 35.Bd7 Ke4 36.Bc6 Bd6 37.Ra5 Kf5 38.Bd5 h5 39.Bf7 Be5 40.f3 h4 41.g4 hg3 42.Ng6 g2 43.Ne7# 1–0. Bonetti,Shane – ProphetX (1745), ICC, 2002.

3.Nf3 f6 4.e3 c6 5.a4 e5 6.ab5 Bb4 7.Ba3 (7.Ra4 a5 8.ba6+/–) 7...a5?? (better is 7...Ba3 8.Ra3 Ne7=) 8.Bb4+– a4 (8...Ne7 9.Bc5+–) 9.Na3 (better is 9.c4 Ne7+–) 9...Ne7 10.bc6 (10.c4 0–0+–) 10...Nec6 (10...Nbc6 11.Bb5 Bd7 12.Bc5+–) 11.Bb5 Ba6 (11...Bd7 12.Bd6 Ne7+–) 12.0–0 (better is 12.Ba4 Bf1 13.Rf1 Ra4 14.c3+–) 12...Bb5+/– 13.Nb5 Nb4 14.c3 Nd3 15.Qc2 (15.Ra4?! Nb2 16.Ra8 Nd1 17.Rd1 0–0=) 15...e4 16.Nfd4 Qd7 17.Ra4 Ra4 18.Qa4 0–0 19.Rb1 Nc6 20.Na3 Rc8 21.Rb6 Nb2?? (better is 21...Nde5 22.Qb5 Rc7+/–) 22.Qb5 Qg4 23.f3 ef3 24.Nf3 Ne5 (24...Qd7 25.Qb2 h6 26.Qb5+–) 25.Qd5 (25.Qb2? Nf3 26.Kf1 Nh2 27.Ke1 Qg2–+) 25...Kf8 26.Qd6 Kf7 (26...Kg8 27.Ne5 fe5 28.h3+–) 27.Qe5! (27.Rb2?! Nf3 28.Kf2 Ne5+–) 27...Re8 (27...fe5 28.Ne5 Double attack (28.Rb5 Decoy)) 28.Qd5 (28.Qd5 Kg6 29.Rb7+–) 1–0. phildo (1830) – jrodolfo, gameknot.com, 2013.

3.Nf3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 b5).

3.g3 e6 4.a3 Nc6 (4...a5 5.Nf3=+) 5.Bg2 e5 (5...a5!?=) 6.Nc3 Bg4 (6...Nge7!?) 7.Bd5+/– Nd4 (7...Nge7!? 8.Bg2 Rb8) 8.Ba8+– Qa8 9.f3 Bf5 10.d3 Be7 (10...Bd7 11.e3 Ne6 12.d4+–) 11.e4 (11.e3!? Nc6+–) 11...Bd7 12.Nd5 Bc6?? (12...Bd6+–) 13.Nc7 (13...Kd8 14.Na8 Ba8 15.c4+–) 1–0. Pawno Paul – arian1230, ChessWorld.net, 2005.

3.a4 ba4

4.Ra4 (--> 2.a4 ba4 3.Ra4 d5 4.Bb2).

4.e3 Bd7 =.

4.Nf3 a5 5.Ra4 c6 +=.

4.Nf3 a6 5.e3 e6 6.c4 Nf6 (6...Bd7 7.cd5 ed5 8.Ne5+=) 7.Ne5 (better is 7.Qa4 Nbd7 8.Bd4+/–) 7...Bb4?? (better is 7...Bd7 8.Nd7 Nbd7 9.Qa4 dc4+=) 8.Qa4+– Nfd7 (8...Nbd7 9.Qb4 Rb8 10.Qa5+–) 9.Qb4 Ne5 10.Be5 1–0. phildo (1845) – pablo38, gameknot.com, 2014.

4.Nf3 Nf6 5.e3 Bb7 (5...e6 6.Ra4 c5 7.b5=) 6.c4 (6.Ra4 e6+=) 6...e6 (6...dc4 7.Bc4 e6 8.Qa4 Nbd7 9.Be2=) 7.Qa4 Nbd7 (7...c6 8.Ne5+=) 8.c5+/– Be7 (better is 8...c6!?+/–) 9.c6+– Nb6 10.cb7 Na4 11.Bb5 Kf8 12.ba8Q (12.ba8R Qa8 13.Ra4 c6+–) 12...Qa8 13.Ra4 c5 (13...c6 14.Be2+–) 14.bc5 Bc5 15.0–0 Ke7 (15...Ne4 16.Nc3+–) 16.Rc1 Rc8 17.Ba6 (17.Rc5 Rc5 18.Ba3 Ne4+–) 17...Rc7 (17...Rc6 18.Ne5 Rb6 19.Rc5 Rb2 20.Nc3+–) 18.Ba3 Ne4 19.d4 Qc6 20.Bc5 Nc5 21.Rc5 Qa4 22.Rc7 Kf6 23.Bf1 a6 24.Ne5 (24.Ne5 Qe8 25.Ba6+–) 1–0. Kucharkowski,Jens – Kupec,Jan, CiF, 2006.

3.e3 Nc6

4.a3 a5 5.c3 ab4 6.cb4 e6 7.Nf3 Nf6 8.Be2 Bd6 9.0–0 e5 (9...Na7+=) 10.d3 (10.Bb5!? Bd7 11.Bc6 Bc6 12.Be5+–) 10...e4 11.de4 de4 12.Nd4 Nd4 13.Bd4 0–0 14.Nc3 (< 14.Bb5 Bh2 15.Kh1 Ng4=+) 14...Re8? (better is 14...c6!?=) 15.Nb5 Be5?? (better is 15...Nd5+/–) 16.Be5+– Qd1 17.Rfd1 (17.Bd1?! Re5 18.Be2 c6+–) 17...Ba6 18.Bf6 Bb5 (18...gf6 19.Kf1 Re7 20.a4+–) 19.Bb5 gf6 20.Be8 Re8 21.a4 Rb8 22.b5 Kf8 23.a5 Rb5 (23...Ke7 24.a6 Ra8 25.g4+–) 24.Rd8 Ke7 25.Rd4 (25.a6!? Kd8 26.a7 Kd7+–) 25...f5 (25...Rb7 26.Re4 Kd6 27.Rd1 Kc5 28.Re7+–) 26.a6 Rb8 27.a7 Ra8 28.Rb4 (28...f4 29.Rb8 Ra7 30.Ra7+–) 1–0. maxeem – kdfoerster, Live Game Caissa's Web, 2004.

4.a3 a6 5.Nf3 =.

4.a3 e5 5.Bb5 Nge7 (5...Bd7 6.Bc6 Bc6 7.Be5+–) 6.Be5 Bd7 7.Bb2 (7.Bc3 a5 8.ba5 Na5 9.Bd7 Qd7+–) 7...Ng6 (7...a5 8.ba5 Rb8 9.Nc3+–) 8.Nf3 a6 (8...a5 9.ba5 Rb8 10.Bc6 Bc6 11.Bd4+–) 9.Be2 Be6 (9...a5 10.b5 Na7 11.a4+–) 10.0–0 f6 11.Nd4 (11.Nc3 Bd6+–) 11...Nd4 12.Bd4 Be7 13.Bf3 (13.Nc3 0–0+–) 13...0–0 14.d3 (14.c4 c6+–) 14...Ne5 15.Nd2 Nf3 (15...a5 16.b5+–) 16.Nf3 (16.Qf3 Qd7+–) 16...c6 (16...a5 17.c3+–) 17.c4! dc4 18.dc4 Bc4 19.Re1 Qc7 20.Qc2 Bf7 21.Bc5 Rfe8 22.Be7 Re7 23.Nd4 Rc8 24.Rec1 Bd5 25.Nf5 Re5 26.Nd4 Qd7 27.f4 Re3= 28.Re1 Re1 29.Re1 Bg2 30.Kg2?? Qd4+= 31.Qe2 Qd5 32.Kg1 Qd4 33.Kg2 Qd7 34.Qa6= Rd8 35.Qe2 h6 36.Qc4 Kh8= 37.h3 Qc7 38.Re6+= Qa7 39.Qc3 Qa6 40.Qe3 f5 41.Qc3 Rd3 42.Rh6 Kg8 43.Rc6 Qa3 44.Qa3 Ra3 45.Rc8 Kh7 46.b5 Rb3 47.Rb8 Kh6 48.b6 Kg6 49.b7 Kf7 50.h4 Ke7?? 51.Rg8 Rb2 52.Kf3 Rb3 53.Ke2 Rb7 54.Rg7 (54.Rg7 Ke8 55.Rb7+–) 1–0. tanto – reyr (1800), net–chess.com, 2002.

4.a3 e5 5.Nf3 Bg4 (5...e4 6.Bb5 Bd7 7.Nd4 Nd4 8.Bd7 Qd7 9.Bd4+/–) 6.Be2 (Better is 6.Bb5 Nge7 7.Be5+–) 6...Bf3= 7.Bf3 e4 8.Be2 Be7?? (Better is 8...a6+=) 9.Bg7 Bf6 10.Bh8 Ba1 11.Ba1 Qg5 12.0–0 0–0–0 13.Bb5 Nge7 14.Ba6 Kb8 15.Nc3 h5 16.Na4 h4 17.h3 Rg8 18.Qg4 Qf6 19.Qe2 Qg6 20.Qb5 1–0. maxum – carcacha2004, Live Game Caissa's Web, 2004.

4.Bb5+/– Bb7 5.Nf3 h6 (5...a6 6.Ba4+–) 6.0–0 e6? (better is 6...Nf6+–) 7.Ne5 Bb4 (7...Nge7 8.Qf3 Qc8+–) 8.Nc6 Qd6 (8...Qd7 9.Na7! c6 10.Qg4+–) 9.Nb4 c6 10.Bd3 a5 (10...Ne7 11.a3 0–0+–) 11.Bg7 0–0–0 (11...ab4 12.Bh8 Ba6 13.Ba6 Ra6 14.d4+–) 12.Nc6 Qc6 13.Bh8 f5 14.Qf3 Ne7 15.Bf6 Re8 16.c4! Ng6 17.cd5 Qd5 18.Rc1 Kd7 19.Qd5 Bd5 20.Bb5 Kd6 21.Be8 Ne5 22.Nc3 Ng4 23.Nb5 1–0. pumpkin (2620) – valerypavlovich (2155), net–chess.com, 2013.

4.Bb5 Qd7 5.a3 Bb7 6.Qf3 Nf6 7.Bf6 ef6 8.Nc3 a6 9.Ba4 0–0–0 10.Nge2 Qd6 11.Nd4 Nd4 12.ed4 Qe6 13.Qe3 Qf5 14.0–0 c6 15.Bb3 Bd6 16.Na4 Kc7 17.d3 Rhe8 18.Qd2 Bf4 19.Qc3 Re2 20.Nc5 Bd2 21.Qb2 Rde8 22.Nb7 Kb7 23.Qb1 Bc3 24.Ra2 Bd4 25.c4 Bf2 26.Kh1 Re1 27.Ra1 Rb1 28.Rab1 Re2 29.Bd1 Rd2 30.Bf3 Qd3 31.cd5 cd5 32.a4 Qc3 33.Rfc1 Rc2 34.Bd5 Ka7 35.Rd1 Rd2 36.Rdc1 Rc2 37.Rd1 Bd4 38.Rb3 Qc7 39.Rbd3 Rc1 40.Rd4 Rd1 41.Rd1 Qd6 42.Bf3 Qe7 43.b5 a5 44.Bc6 Kb6 45.g3 Kc5 46.Rc1 Kb4 47.b6 Qd6 48.b7 g5 49.Rb1 Kc5 50.b8Q Qc6 51.Kg1 Qa4 52.Rc1 Kd5 53.Qd8 Ke5 54.Rc5 Ke4 55.Qd5 Ke3 56.Rc3 Ke2 57.Qd3 1–0. Trkn – Reboot, itsyourturn.com, 2000.

4.Bb5 Bd7

5.a3 a5 +/–.

5.a3 a6 6.Bd3 Nf6 7.Qe2 e6 8.Nf3 Bd6 9.0–0 h5 10.h3 Ne4 11.Ba6 Bc8 12.Bc8 Qc8 13.d3 Nf6 14.c4 dc4 15.dc4 e5 16.c5 Qa6 17.Qa6 Ra6 18.cd6 1–0. pawndynasty – anakin, playchess.de, 2002.

5.a3 a6 6.Be2 e5 7.Nf3 f5? (7...e4!? 8.Nd4 Nf6+/–) 8.0–0 (8.Ne5!? Ne5 9.Be5 Nf6+–) 8...Bd6 9.Nc3 (better is 9.c4!? Nf6 10.c5+–) 9...e4 10.Nd4 Nd4 11.ed4 Nf6 12.h3 0–0 13.Re1 c6 14.f3 (14.Na4 Ng4 15.hg4 Qh4–+) 14...ef3 (14...a5!?+=) 15.Bf3= Bg3 16.Re2 Re8 17.Re8 Qe8 18.Ne2 Bd6 19.Qf1 a5 20.c3 ab4 21.cb4 Ne4 22.d3 Nd2 23.Qf2 Nf3 24.Qf3 g6 25.Kf2 Qf8 26.g4?? fg4–+ 27.Qf8 Rf8 28.Ke1 gh3 29.Kd2 h2 30.Rh1 Bg4 31.Nc3 Bf3 (31...Bf3 32.Rh2 Bh2–+) 0–1. Neumann,Frank (1650) – Korn,Lothar (1700), RSS5E–28 remoteschach.de, 2008.

5.a3 Rb8 6.Be2 Nh6 (6...e5 7.b5 Na5 8.Be5 Bb5 9.Nf3+/–) 7.Nf3 Ng4 (7...a5 8.b5 Na7 9.a4+/–) 8.0–0+– e5 (8...e6 9.Nc3+–) 9.h3 Nh6 (9...e4 10.hg4 ef3 11.Bf3 Qg5+–) 10.Ne5 Ne5 11.Be5 Nf5 12.d4 Bb5 (12...Bd6+–) 13.Bb5 Rb5 14.Qd3 Qd7 15.Bc7! Rb7 (15...Qc7 16.Qb5 Deflection (16.Qb5 Overloading)) 16.Bh2 Nh4 (16...Be7 17.Nd2+–) 17.Nd2 Be7 18.c4 0–0 19.cd5 Qd5 20.Qe4 Qe4 21.Ne4 Nf5 22.Rfc1 Rb6 23.Rc3 Bd6 24.Bd6 Nd6 25.Nd6 Rd6 26.Rac1 Rdd8 27.Rc7 a6 28.Ra7 Rc8 29.Rcc7 a5 30.Rc8 Rc8 31.Ra5 h6 32.g4 g5 33.b5 Kf8 34.b6 Ke8 35.b7 Rb8 36.Ra8 Rd8 37.Rd8 Kd8 38.b8Q Ke7 39.d5 Kf6 40.d6 Ke6 41.e4 f6 42.Qc7 Ke5 43.Qe7 Kf4 44.d7 f5 45.ef5 h5 46.Qe3 1–0. Fournier,Frederic – Carnus,Romain, FRA Ch (Team) N5 Senlis1–Senlis2, 2000.

5.Bc6 Bc6 6.Nf3 +/–.

5.Nf3 a6 6.Bc6+/– Bc6 7.Ne5 Qd6 8.Nc6 (8.a3 Nf6+/–) 8...Qc6 9.0–0 Nf6 (9...e6 10.a3+/–) 10.Na3 (10.a3 a5+/–) 10...Qd6 11.c4 (11.c4 Qb4 12.Qc2+/–; 11.Bf6 Qb4 12.Be5 Qa3+/–) 1–0. Woelfelschneider,Peter – Grecu,Daniel, FICGS, 2006.

3.e3 Bd7

4.a4 ba4 5.Nf3 =.

4.Nc3 c6 5.e4 d4 6.Nb1 e5 7.g3? (better is 7.Nf3!? Bd6 8.c3=) 7...Bb4–/+ 8.a3 Bc5 9.Nf3 Bd6 10.h4 Nf6 11.h5 Bg4 (11...Ne4?! 12.Qe2 f5 13.d3–/+) 12.h6 g6 13.Bh3 Bh3 14.Rh3 Qb6 (14...Ne4 15.Qe2 f5 16.a4–+) 15.Ng5 Ng4?? (better is 15...0–0–+) 16.Qg4+– Qd8 17.Qf3?? (better is 17.a4+–) 17...Qg5–/+ 18.d3 0–0 19.a4 a5 20.Nd2 f5 21.Qe2 Na6 (21...Bb4!? 22.Bc1 fe4 23.Qe4 Bc3–+) 22.ab5–/+ Nb4 23.Rc1? (better is 23.Nc4 Bc5 24.Ne5 cb5 25.f4–/+) 23...cb5–+ 24.Ba3 (24.c4 dc3! 25.Rc3 Rac8–+) 24...Rac8 25.Bb4 Bb4 (25...ab4?! 26.ef5 Rf5 27.Rh2–/+) 26.Kf1 (26.ef5 Qf5 27.g4 Qf4–+) 26...Ba3 27.Nf3 Qc1 28.Ne1 Bb4 29.Kg2 Be1 30.Rh1 Qc2 31.Qe1 b4 32.Kh3 Qd3 33.ef5 Rf5 34.Kg4 Qf3 35.Kh4 Rh5 0–1. karlsdad – irish paddy, ChessWorld.net, 2012.

3.e3 e5

4.Be5+/– a6 5.c3 +/–.

4.Be5+/– Nc6 5.Bb2 (5.Bb5!? Nge7 6.Bc3+–) 5...Nb4 6.Bb5 c6 7.Be2 Qg5 (7...Bf5 8.d3+=) 8.g3 (8.a3 Na6 (8...Qg2? 9.Bf3 Nc2 10.Qc2+–) 9.Nf3 Qg6+/–) 8...Bf5 9.d3 Nf6 10.Nf3 Qh6 11.Nd4 Bh3 12.a3 Bg2 13.Rg1 (13.ab4?! Bh1 14.Nc6 Nd7+=) 13...Nc2?? (better is 13...Qh2 14.Rg2 Qg2+–) 14.Qc2+– c5 15.Nb5 (better is 15.Rg2 Nd7 16.Nf3 Qe6+–) 15...Qh2 16.Nc7 (better is 16.Rg2!? Qg2 17.Bf1 Qh1 18.Nc7 Kd8 19.Na8 d4+–) 16...Kd7 17.Na8 (better is 17.Rg2 Qh1 18.Bf1 Kc7 19.Bf6 gf6 20.d4+–) 17...Qg1 18.Kd2 Qf2 19.Qa4 Ke6 20.Qe8?? Ne8–+ (20...Ne8 21.Nc3 Qg3–+) 0–1. Valpa – Dc, HCL–C2733 playchess.de, 2004.

4.Be5+/– f6 5.Bb2 Bb4 6.Bb5 c6 7.Be2 Bf5 8.Bg4 Ne7?? (better is 8...Be4 9.Nf3 Nh6+/–) 9.Bf5+– Nf5 10.Qg4 d4 (10...Ne3 11.fe3 Bf8 12.Nf3+–) 11.Qf5 de3 12.Qe4 Qe7 13.Qe7 Ke7 14.fe3 Nd7 15.Nf3 Nc5 16.0–0 Ne4 17.d3 Nd6 18.c3 Bc5 19.d4 Bb6 20.Nbd2 Rhe8 21.c4 Nf5 22.c5 Bc7 23.Nc4 Kd7 24.Rfe1 Nh6 25.h3 g5 26.e4 g4 27.hg4 Ng4 28.Bc3 h5 29.Rab1 h4 30.Rb7 Kc8 31.Rbb1 Rg8?? 32.e5 f5 33.Nh4 f4 34.Rf1 Kd7 35.Rf4 Raf8 36.Rbf1 Rf4 37.Rf4 Ke6 38.Nd2 Ne3 39.Rf6 Kd5 40.Rf7 Nc4 41.Rd7 Ke6 42.Rc7 Ne3 43.Rc6 Kd5 44.Rd6 1–0. Hal1958 – Dc, playchess.de, 2004.

3.e3 e6

4.Bb5+/– c6 5.Be2 Nf6 6.a3 a6 7.Nf3 Bd6 8.0–0 0–0 9.c4 c5 (9...dc4 10.Bc4 a5 11.ba5+/–) 10.bc5 Bc5 11.d4 Be7 12.c5 Nc6 13.Nc3 Rb8 14.Rb1 Ne4 (14...Qc7 15.Qa4+/–) 15.Ne4+– de4 16.Nd2 f5 17.Qa4 Bd7 (17...Bb7 18.Bc4 Qc8 19.Bc3+–) 18.Qa6 (18.Ba6?! Nd4 19.Qd4 Bf6+–) 18...Bf6 19.Nc4 Ra8 20.Qb6 Na5 21.Qd8 Rfd8 22.Nb6 Rab8 23.Bc3 Nb7 24.Nd7 Rd7 25.c6 Rc7 26.Rb6 Be7 27.Bb2 Bd6 28.Ba6 Kf7 29.Rc1 Na5 30.Rb8 Nc6 31.Rb6 (31...Nd4 32.ed4+–) 1–0. Woschkat,Karl_Heinz – Busch,Georg, remoteschach.de, 2002.

3.e4 de4!?

4.Bb5 c6 5.Bc4 e5 (5...Nf6 6.a3=) 6.Be5 Bd6?? (better is 6...Nd7 7.Bc3 Nb6+=) 7.Bg7+– Qg5 8.g3?? (better is 8.Bh8 Qg2 9.Qh5+–) 8...Qg7–+ 9.Nc3 Bg4 10.Be2 Nf6 11.Bg4 Bb4?? 12.Be2 Nbd7 13.Nh3 Bc5 14.0–0 Ne5 15.d4 Neg4?? 16.dc5+– 0–0 17.Bg4 Ng4 18.Ne4 Rad8 19.Qf3 f5 20.Qb3 Rf7 21.Neg5 Ne5 22.Nf7 Nf3 23.Qf3 Qf7 24.Qc6 Rd2 25.Qa8 Kg7 26.Rfd1 Rc2 27.Qc6 f4 28.Rd7 Rc5 29.Rf7 Kf7 30.Qc5 fg3 31.fg3 (31.fg3 a6 32.Rf1 Ke6 33.Ng5 Kd7 34.Rf7 Kd8 35.Qf8; 31.Qf5 Kg7 32.Re1 gf2 33.Kf2 Kg8 34.Rg1 Kh8 35.Qf6) 1–0. Valpa – Dc, playchess.de, 2004.

4.Bb5 Bd7 5.Bc4 (5.Qe2 f5+/–) 5...Nc6 (better is 5...Nf6=) 6.Bf7 (better is 6.b5!? Na5 7.Be2=) 6...Kf7–/+ 7.b5 Nb4 (better is 7...Na5 8.Qh5 g6 9.Qd5 e6 10.Qe4 Nf6–/+) 8.a3+= Nd5? (better is 8...Nc2 9.Qc2 Nf6+=) 9.Qh5+– g6 (9...Ke6 10.Qe5 Kf7 11.Qd5 e6 12.Qe4 Bb5 13.Nf3+–) 10.Qd5 Be6?? (10...e6 11.Qe4 Nf6+–) 11.Qd8 Rd8 12.Bh8 1–0. Wall,Bill – Broker, internet, 2005.

3.Nf3 Nc6

4.a3 a6 5.e3 =.

4.a3 e6 5.e3+= Nf6 (Better is 5...a6!?+=) 6.Bb5+/– Bd7 7.Ne5?? (Better is 7.Bd3+/–) 7...a6?? (Better is 7...Ne5 8.Ba6 Ng6–+) 8.Bc6 Bc6 9.Nc6 Qd6 10.Bf6 gf6 11.Nd4 e5 12.Ne2 e4 13.d3 Bg7 14.de4 f5 15.ed5 Ba1 16.c3 Bc3?? 17.Nbc3 Rg8 18.Nf4 Rc8 19.Qd4 c6 20.0–0 c5 21.bc5 Rc5 22.Rb1 Ke7 23.Rb7 Ke8 24.h3 Kf8 25.Nh5 Rc7 26.Rb8 Ke7 27.Rg8 1–0. var – luthier, Live Game Caissa's Web, 2004.

4.d4 Nb4 5.a4 ba4 6.c4 =+.

4.d4 Bg4 5.h3 Bf3 6.gf3 (6.ef3 A) < 6...Nb4 7.c3+– (7.Bb5?! c6 8.Ba4 Qd7+=); B) 6...a6+=) 6...Nf6 (6...e5 7.e3 a6 8.a3 ed4 9.Bd4 Nd4 10.Qd4=) 7.Rg1 (7.a4 a6=) 7...e6 (7...Nb4 8.e4 a6 9.a4=) 8.Bg2 Bd6 9.Nc3 0–0 10.Qd3 a6 11.0–0–0? e5 12.e4? de4 13.fe4 ed4 14.Nd5 Nd5 15.ed5+= Nb4 16.Qf3?? Na2–+ 17.Kb1 Nb4?? 18.c3? dc3–+ 19.Bc3 a5 20.Kc1? Na2 21.Kd2 Nc3 22.Qc3 b4 23.Qd3 Bf4 24.Ke2 Re8 25.Kf1 a4 26.Be4 g6 27.h4 Bh2 28.Rg6 fg6 29.h5 Re4 0–1. YourKingisHere – kilmer49, Live Game Caissa's Web, 2004.

2.Bb2 d6

3.a3 f6 4.e3 e5 (4...c6!?+=) 5.Bb5+/– Bd7 6.Bd7 Qd7 7.Nf3 Be7 8.c4 g5 (8...a5 9.ba5 f5 10.d4+/–) 9.0–0 g4 10.Ne1 h5 (10...a5+–) 11.g3 (11.d4!? h4+–) 11...Nc6 (11...Qe6!?+/–) 12.Ng2 0–0–0 (12...d5 13.cd5 Qd5 14.Qc2+–) 13.Qa4 Kb8?? (13...Kb7 14.b5 Nb8 15.d4+–) 14.Qb5 Ka8 15.a4?? Rb8 16.Qa6?? Rb6 17.Qb6 cb6 18.a5 ba5 19.ba5 Nb4 20.Nc3 Nc2 21.Rab1?? Nb4 22.Ba3?? Nd3 23.Nb5 f5 24.Rfd1 e4 25.Nf4 Bg5 26.Nd5 Ne7?? 27.Nbc7 Qc7 28.Nc7 1–0. Fournier,Frederic – KOSOVA_alb, Partie evaluee, 1m + 0s, 2007.

3.a3 Nf6 4.e3 c6 5.c4 bc4 6.Bc4 =.

3.Na3 a5 4.ba5 Ra5 5.c4 =.

3.Na3 a6 4.c4 Bd7 (4...bc4 5.Nc4 Nc6 6.Rc1=) 5.Nf3 (5.e4 bc4 6.Bc4 e6=) 5...e5 (5...Nf6 6.e3=) 6.g3 (6.e4 Nf6=) 6...g6 (better is 6...a5!?=+) 7.Bg2 Bc6 (7...Nc6 8.cb5 ab5 9.Nb5 Nb4 10.Nc3=) 8.0–0 Bg7 9.d4 e4 10.Ng5?? (better is 10.Nd2) 10...Bf6?? (10...Qg5 11.f3–+) 11.d5?? (11.Ne4 Bg7+–) 11...Bd7?? (better is 11...Bb2 12.Ne4 Bb7–+ (12...Ba3?! 13.Qd4 f6 14.dc6–/+; 12...Ba1?! 13.Qa1 f6 14.dc6)) 12.Bf6 Nf6+/– 13.Qd4 0–0 14.cb5 ab5 15.Ne4?? Ne4–/+ 16.Qe4 Ra3–+ 17.e3 Bf5 18.Qd4 Nd7 19.e4= Bg4 20.f3 Bh5 21.g4 Bg4 22.fg4 Nf6?? 23.g5 Nd7 24.h4 Ne5 25.Bh3?? Rh3–+ 26.a4 ba4 27.Ra4 (27...Qd7 28.Qd2 Rg3 29.Qg2 Rg2 30.Kg2 Qa4 31.Kg1 Qb4 32.Kh2–+; 27.Qd2–+). Gregor123 – chiha, mySchach.de, 2004.

3.e3 a5 4.ba5 Qd7 5.c4 bc4 6.Bc4.

3.e3 Bb7 4.Nf3 Nd7 (4...c6!?) 5.Bb5+/– Ngf6 6.0–0 a6 7.Bc4 d5 8.Bb3 e6 9.a3 Be7 10.c4 dc4 11.Bc4 Nb6 12.Bb3 0–0 13.Nc3 Qd6 14.d4 c6 (14...a5 15.b5) 15.Qd3 (15.e4 Nfd7+–) 15...g6? (better is 15...a5!? 16.ba5 Ba6) 16.e4+– Nh5 17.Ne5 f6 18.Nc4 Nd7?? 19.Nd6 Bd6 20.Be6 Kg7 21.Bd7 Rf7 22.e5 fe5 23.de5 Be5 24.Rae1 Bf6 25.g3 Rd8 26.Rd1 Bg5 27.Ne4 Nf6 28.Nf6 Bf6 29.Bf6 Rf6 30.Qc4 Rf7 31.Bc6 Rc8 32.Qd4 Kg8 33.Bb7 Rb7 34.Qd5 Rf7 35.f4 (35...Re8 36.Qc6+–) 1–0. kiloracer (2150) – sammyo (1900), net–chess.com, 2005.

3.e3 c5?? 4.Bb5?? (better is 4.Qf3 d5 5.Bb5 Nd7 6.Qd5+–) 4...Bd7 5.Qe2 (5.Bc4 Bc6 6.Qh5 Nh6 7.bc5 Bg2+/–) 5...cb4 6.Qc4 (6.a3 Nc6+=) 6...e6 7.Qb4 Bb5 8.Qb5+/– Ke7 9.Nf3 e5?? 10.Ne5!+– de5 11.Qe5 Kd7 12.Qd5 (12.Qd5 Ke8 13.Qa8+–) 1–0. Wall,Bill – Yanagiba, internet, 2001.

3.e3 e5 (--> 1.b4 e5 2.Bb2 d6 3.e3 b5).

3.e3 g6 4.Bh8 a6 5.Bb2 (5.a4 ba4 6.Qf3 c6+–) 5...Nc6 6.a3 e5 7.c4 Rb8 (7...bc4 8.Bc4 d5 9.Bb3+–) 8.Nf3 Bf5 (8...Bg7 9.Qc2 Nge7 10.cb5 ab5 11.Nc3+–) 9.Be2 (9.cb5 ab5 10.Nc3 e4 11.Bb5 Rb5 12.Nb5 ef3 13.Qf3 Nge7+–) 9...Bg7 (9...e4 10.Ng1+–) 10.0–0 Nge7 11.cb5 (11.d4 e4 12.Nfd2 bc4 13.Bc4 Rb6+–) 11...ab5 12.Nc3 e4 13.Ng5 (better is 13.Ne1!? Qd7+–) 13...h6 14.Nh3 Bh3 15.gh3 (15.Ne4?! Bb2 16.gh3 Ba1 17.Qa1 Ng8) 15...Bc3 16.Bc3 Qd7 17.Bf6 d5 18.Kh1 Ng8 19.Bg4 Qd6 20.Bb2 Nf6 21.Bf6 Qf6 22.Qb3 d4 23.Qd5 h5 24.Qe4 Ne5 25.ed4 hg4 26.Qe5 Qe5 27.de5 Rd8 28.hg4 Rd2 29.f4 (29...Ke7 30.Rfc1+–) 1–0. kiloracer (1930) – dmarsh (1855), net–chess.com, 2005.

3.e4 c6 4.a4 ba4 5.Ra4.

3.e4 Bd7 4.Be2 (4.a4 ba4 5.Nc3 Nf6+/–) 4...Nf6 (4...a5=) 5.Bf3 (5.a4!? ba4 6.Nc3=) 5...e5 (5...Nc6 6.Ne2+=) 6.d4 c6 (6...Nc6 7.Ne2+=) 7.de5 (7.Nd2!?+=) 7...de5= 8.Be5 Na6 (8...Bb4!? 9.c3 Bc5=) 9.a3+= Qe7 10.Qd4 c5 11.bc5 Qc5 (11...Nc5 12.Nc3 Ne6+/–) 12.Qc5 (better is 12.Nc3!?+/–) 12...Bc5+= 13.Bf6 gf6 14.e5 (better is 14.Nc3=) 14...f5?? (better is 14...0–0–0–/+) 15.Ba8+– Bd4 16.c3 Be5 17.Nf3 Bf6 18.0–0 0–0 19.Bd5 Nc7 20.Bb3 a6 (20...Ne6 21.Rd1 Bc6 22.Rd6 Bf3 23.gf3+–) 21.Rd1 Bc6 (21...Bc8 22.Nd4+–) 22.Nd4 (22.Rd6 Bf3 23.Rf6 Bd5 24.Bd5 Nd5 25.Rf5 Ne7 26.Rg5 Ng6+–) 22...Bd5 (22...Bd7 23.Bc2+–) 23.Bd5 Nd5 24.Nb5! Rd8 (24...ab5 25.Rd5 Double attack (25.Rd5 Discovered attack; 25.Rd5 Decoy)) 25.Nd4 (25.Ra2 Re8 26.Rad2 Nb6+–) 25...Ne7 (25...Nb6 26.Ra2+–) 26.Ra2 Rd6 (26...Nc6 27.Rad2 Nd4 28.cd4+–) 27.Rad2 Ng6 (27...Rd5 28.Nc6! Rc5 29.Nb8+–) 28.Nf5 Re6 29.Nh6 (better is 29.Rd6!? Be5 30.Re6 fe6 31.Rd8 Kf7 32.Nh6 Kf6 33.Ng4 Ke7+–) 29...Kg7 30.Ng4 Bg5 31.Rd7 h5 32.R7d5 f5 (32...f6 33.Ne3! Be3 34.fe3 Re3 35.Rh5+–) 33.Rd7 (better is 33.Rf5!? hg4 34.Rg5 Re4+–) 33...Ne7 34.Ne3! Be3 (34...Kf6 35.R7d6 Kf7 36.Re6 Ke6 37.Nd2+–) 35.fe3 Re3 36.Kf2 Re5 37.Re1 Re1 38.Ke1 Kf6 39.Rd6 Ke5 40.Ra6 Ke4 (40...Nd5+–) 41.Re6 (41.Re6 Kd5 42.Re7+–) 1–0. rcm06 (1900) – hotrodrebel, gameknot.com, 2012.

3.e4 f6 4.Nc3 Bd7 5.Nf3 Nc6 6.Bb5 e5 7.a3 Nd4 8.Bd7 Qd7 9.Nd4 ed4 10.Ne2 Nh6 11.Nd4 Qg4 12.Qg4 Ng4 13.h3 Ne5 14.Ne6 Kd7 15.Nf8 Rhf8 16.Be5 fe5 17.c4 c6 18.f3 a5 19.Ke2 ab4 20.ab4 Rab8 21.Rhb1 Rb7 22.b5 cb5 23.cb5 Rfb8 24.Ra5 Ke6 25.g3 d5 26.Ra6 Kd7 27.b6 d4 28.f4 ef4 29.gf4 Kc6 30.Kd3 Rb6 31.Rbb6 Rb6 32.Rb6 Kb6 0–1. gunar – shosan, ChessWorld.net, 2002.

3.Nf3 a5!? 4.ba5 Ra5 =.

3.Nf3 Ba6 4.e4+/– e5 5.d4 (5.a4 Nf6) 5...Nd7 (5...d5 6.a3 de4 7.Ne5) 6.a4+/– ba4?? (7.Ba6 ed4 8.Nd4 Qe7+–; better is 6...Bb7). marcosr – stefandima (1790), net–chess.com, 2005.

3.Nf3 Bd7 4.e3 Na6 5.c3 g6 (better is 5...Nb8!?+=) 6.a4!+– Bg7 (6...ba4 7.Ba6 Pinning (7.Ba6 Deflection)) 7.ab5 (7.Bb5?! Nb4 8.d4 Nc6+=) 7...Nb4? (better is 7...Nb8+–) 8.Qb3 (8.cb4?! Bb2 9.Ra5 Bg7=) 8...a5 (8...Nc6 9.bc6 Bc6 10.Bb5 Bb5 11.Qb5 Kf8 12.d4+–) 9.cb4 a4 10.Ra4 (10.Bg7 ab3 11.Ra8 Qa8 12.Bh8 Qa4+=) 10...Ra4 (10...Nf6+–) 11.Bg7 (11.Qa4?! Bb2 12.d4 Bf5 13.b6 Kf8+–) 11...Ra1 12.Ba1 f6 13.Nc3 Qa8 14.Bb2 e5 15.Nd5 Qb7 16.Bc4 Bb5 (16...g5 17.b6! cb6 18.Nb6+–) 17.Bb5 Qb5 18.Nc7 (18.Nc7 Kd7 19.Qf7 Kc6 20.Nb5+–) 1–0. b4_player – johanna, internet, 2013.

3.Nf3 Nf6 4.g3 (4.a4 ba4 5.Nc3 e5=) 4...e5 5.Bg2 a6 (better is 5...e4!? 6.Nd4 d5=) 6.Ne5!+/– Ra7 (6...de5 7.Ba8) 7.Nf3 (7.Nd3 c5) 7...Be7 8.d3 Nc6 9.Nfd2 (9.a4!?) 9...Bd7 10.0–0 (10.Bc6 Bc6 11.e4 Bd7) 10...Nb4= 11.a3 Nc6 12.Nb3 Be6?? (better is 12...0–0=) 13.Bc6+– Kf8 (13...Bd7 14.Bd4 Bc6 15.Ba7+–) 14.Bd4 d5 15.Ba7 h5 16.N1d2 Qd6 17.Bb7 Qd7 18.Ba6 c6 19.Bb6 g6 20.Nc5 Bc5 21.Bc5 Kg7 22.Nf3 Bh3 23.Re1 Qg4 24.Ne5 Qe6 25.Nf3 Nh7?? 26.e4 Nf6 27.Bd4 Kg8 28.Ng5 Qd7 29.Bf6 Rh6 30.Nh3 Qh3 31.Qf3 (31...Qe6 32.ed5 cd5 33.Re6 fe6 34.Qe3 Kf7 35.Qh6 e5 36.Qg7 Ke6 37.Qe7 Kf5 38.Bc8#) 1–0. coloplayah (2145) – sammyo (1900), net–chess.com, 2006.

3.e3 a6

4.d4 Bb7 5.Nf3 Nf6 6.c4 Nc6 (6...bc4 7.Bc4 e6 8.a3+=) 7.a3 bc4 8.Bc4 e6 9.Nbd2 d5 10.Bd3 g6 11.Rc1 Bg7 12.Qa4 0–0 (12...Qd7 13.Nb3 Bf8 14.0–0+/–) 13.Rc6+– Qe8 14.Ne5 Ne4 15.Ne4 (15.Be4 Be5) 15...Be5 16.de5 Bc6 (16...Qc6 17.Nf6 Kg7+–) 17.Nf6 Kh8 18.b5! ab5 (18...Bb5 19.Qh4) 19.Qh4 (19.Ne8?! Ra4 20.Nf6 b4 21.ab4 Bb5+/–) 19...h5 20.Nh5! (20...Rg8 21.Nf6 Kg7 22.Qh7 Kf8 23.Qg8 Ke7 24.Ne8 Be8 25.Qg7+–) 1–0. Plock,Joerg – Adler,Bernd, R.–Tobies–Gedenkturnier–D, 2003.

4.Qf3 c6 5.Ne2 e5 6.a4 ba4 7.Ra4 Bb7 8.Nec3 Nf6 9.Ne4 Be7 10.Bd3 0–0 (10...a5 11.Nf6 Bf6 12.ba5 Ra5 13.Ra5 Qa5 14.0–0=) 11.Qh3 g6 12.Nbc3 Nbd7 13.Nf6 Nf6 14.b5?? (better is 14.0–0!?+=) 14...Bc8 (better is 14...cb5!? 15.Rh4 d5–+) 15.Qf3+= d5 16.Nd5 (16.bc6 e4 17.Be4 Rb8 18.Nd5 Nd5–/+) 16...Qd5 17.bc6 (17.Qd5!? Nd5 18.ba6–/+) 17...Qf3 18.gf3 Bd6 19.0–0 Nd5 20.Ba3 Ba3 21.Ra3 Nb4 22.Be4 Be6 (better is 22...f5!? 23.c3 fe4 24.cb4 Rb8 (worse is 24...Rf3 25.b5+=) 25.fe4 Rb4–+) 23.Rb1+= Nd5 24.c4 (better is 24.Ra5!? Nc7 25.Re5+=) 24...Nc7–+ 25.Ra5 (25.Rb7 Rac8–+) 25...f6 (25...Rfd8!? 26.Rb7 Rac8 27.Re5 Rd2 28.Kg2–+) 26.Bd5 Rfd8 27.e4 Kf7 28.Rb7 Rac8 (better is 28...Rdc8!?–/+) 29.Ra6= Rd6?? (better is 29...Re8=) 30.Raa7+– Ke8 31.Rc7 Rc7 32.Rc7 h5 (32...Kd8 33.Rh7 Kc8 34.Re7 Bd5 35.cd5+–) 33.Rg7 g5 34.c7 (34.c7 Bc8 35.c5+–) 1–0. winstonion – bhunterd, gameknot.com, 2013.

3.e3 c6

4.Qf3 +=.

4.Nf3 e5 5.a3 Nf6 6.c4 Ba6 (6...e4!? 7.Nd4 a6=) 7.cb5+= cb5 8.Nc3 Be7 9.Bb5 Bb5 10.Nb5 0–0 11.0–0 Nbd7 12.Qb3 a6 13.Nc3 Qb6 14.d4 Qb7 15.d5 Nb6 16.e4 Rfc8 17.Rac1 Nc4 18.Ba1 Rc7 19.Rc2 Nh5 (19...Rac8 20.Rfc1+/–) 20.Ne2 Na5?? (better is 20...Rac8 21.Rfc1 Nb6+–) 21.Rc7 (21...Qc7 22.ba5 Qa5 23.Rb1+–; 21.ba5 Qb3 22.Rc7 Bd8–/+) 1–0. Plock,Joerg – Neffgen,Dieter, R.–Tobies–Gedenkturnier–D, 2003.

4.Nf3 Nf6 5.c4 bc4 6.Bc4 e6 7.0–0 g6 (7...d5!? 8.Be2 Bb4+=) 8.b5 d5 9.Be2 c5 10.a4 Bg7 11.d3 0–0 12.Nbd2 Nbd7 13.Ne5 Ne5 14.Be5 h6 15.Rc1 Qb6 16.Bf3 Bb7 17.e4 Rad8 18.ed5 Nd5? (18...Bd5 19.Nc4 Bc4 20.Rc4+=) 19.Bg7 (better is 19.Nc4 Be5 20.Nb6 (20.Ne5?! Nf4+=) 20...ab6 21.a5+–) 19...Kg7+= 20.Nc4 Qc7 21.d4 Nb4 22.Bb7 Qb7 23.Qe2 Rd4 24.Qe5 Kg8 25.Qc5 Rc4? (better is 25...Rg4 26.Ne3 Re4+/–) 26.Rc4 Nd5 27.Qa3 Nb6 28.Rd4 Nd5 29.Re1 a6 30.Rb1 Qb6 31.Qd3 ab5 32.Rb5 Qa7 33.Qb1?? (better is 33.Rc4+–) 33...Nc3 (33...Qd4 34.Qe1 Qa4 35.Ra5–+) 34.Rb7 (34.Qd3 Qd4!! 35.Qd4 Ne2 36.Kf1 Nd4 37.Ra5–+) 34...Qd4 35.Qe1 Na4 (35...Rd8!? 36.g3 Qa4 37.Qc3 Rd1 38.Kg2 Qe4 39.Qf3 Rg1 40.Kg1 Qf3 41.Rb5–+) 36.Rb4 Qc3 37.Qc3 Nc3 38.g3 Nd5 39.Rd4 Rb8 40.Rd1 Nc3 41.Re1 Rb2 42.Kf1 Kg7 43.Kg1 Ne2 44.Kf1 Nd4 45.Rd1 Nf3 46.Kg2 Ng5 47.Kf1 Ne4 0–1. Valpa – Janaj, playchess.de, 2005.

3.e4 e5

4.Bb5 c6 5.Bc4 d5 6.ed5 cd5 7.Bb5 Bd7.

4.Bb5 c6 5.Be2 d5 6.ed5+/– Qd5 7.Bf3 (7.Nf3 e4 8.Ne5) 7...e4 (7...Qe6 8.Qe2 Nd7) 8.Nc3 (8.Qe2 f5 9.Bh5 Kd8+–) 8...Qd4? (better is 8...Qe6!? 9.Be4 f5 10.Qh5 Kd8 11.Qg5 Kc7) 9.Be4 (9.Qe2 Qb4 10.Qe4 Qe4 11.Ne4 Nh6+–) 9...Qb4 (9...Nf6 10.Qf3 Ne4 11.Qe4 Qe4 12.Ne4) 10.Qc1 (10.Qf3 Ne7 11.Rb1 Be6+–) 10...Bc5 (10...Nf6 11.Bf3) 11.Nf3 Bg4 (11...f5 12.a3 Qc4 13.Bd3+–) 12.a3 (better is 12.0–0 Nf6 13.a3+–) 12...Qb6 (12...Qa5 13.Ne2 Nf6 14.Bf6 gf6 15.Qb2+–) 13.0–0 (13.Na4 Bf2 14.Kf1 Qa5 15.Kf2 Ne7+–) 13...Nf6 (better is 13...Be7+–) 14.Na4 Qa5 15.Nc5 Qc5 16.Bf6 gf6 17.Qe1 (17.d4!? Qh5 18.Qf4 0–0+–) 17...0–0 18.h3 Bf3 19.Bf3 (19...Qc2 20.d4+–; 19.gf3?! f5 20.Bd3 Nd7) 1–0. 1805DYDIDIDY – 7of9@, mySchach.de, 2005.

4.Bb5 c6 5.Be2 Nf6!?

4.Nc3 a5 5.a3 c6 6.Nf3 =.

4.Nc3 a5 5.Nb5 ab4 6.d4 c6 –/+.

4.Nc3 c6 5.Nf3 (5.a4 ba4 6.Nf3 Nf6) 5...Bg4 (5...a5 6.a3=) 6.Be2 (6.a4 ba4 7.Ra4 Nf6) 6...Bf3 7.Bf3 Qg5 (7...a5 8.a3) 8.0–0 (8.a4 ba4 9.d4 ed4 10.Qd4 Nd7) 8...a6 (8...a5 9.a3) 9.d4 (9.a4 ba4 10.d4 Nf6) 9...ed4 (9...a5 10.a3) 10.Qd4 Nf6? (10...a5 11.Qb6 Qd8 12.Qb7) 11.Rfe1 (11.Qb6 Ng4 12.Bg4+–) 11...Be7?? (better is 11...Nbd7) 12.e5+– de5 (12...0–0 13.ef6 Bf6 14.Qd6 Bc3 15.Bc3 Ra7+–) 13.Re5 0–0 (13...Qe5 14.Qe5 Kf8+–) 14.Rg5 Nfd7 (14...Rd8 15.Qe5 Kf8+–) 15.Qg7 1–0. ureo – crome, ChessWorld.net, 2005.

3.Nf3 e5

4.d3 Nf6 5.g3 Bb7 (5...a5 6.ba5 Ra5 7.Bg2=) 6.Bg2 Nbd7 7.0–0 Rb8 (7...a5 8.ba5 Ra5 9.Nbd2+=) 8.c3 (8.Nbd2 Nb6+/–) 8...h6 (8...Nb6 9.Nbd2=) 9.Qc2 (9.a4 a6+/–) 9...Nh7? (better is 9...Nb6!?+=) 10.a4 ba4 11.Ra4 a6 12.e3 (12.Nbd2 Be7+/–) 12...Ng5 (12...Be7 13.d4+/–) 13.Nh4 (13.Ng5!? hg5 14.Bb7 Rb7 15.Ra6+–) 13...Bg2+/– 14.Kg2 Ra8 (14...Qc8!?+/–) 15.Nd2+– Be7 16.Rfa1 (16.d4 0–0+–) 16...Qc8+/– 17.Nb3 (17.Ra5!?+/–) 17...Nb6+= 18.R4a2 Qh3 19.Kh1 Qc8 (19...0–0 20.c4+= (20.Ra6?? Ra6 21.Na5 Rfa8–+)) 20.b5 (20.e4 Ne6 21.Nf5 Bg5+/–) 20...0–0 (better is 20...Nh3!? 21.Nf3 ab5 22.Ra8 Na8=) 21.ba6 Nh7 (21...Nh3 22.Nf3+/–) 22.Nf3 Ng5 23.Ng5 Bg5 (23...hg5 24.c4+/–) 24.Qe2 (24.c4 Ra7+–) 24...Qd7 (24...Ra7 25.Nd2+/–) 25.Nd2 (25.a7 c5 26.f4 ef4 27.ef4 Rfe8+/–) 25...f5 (25...Ra7 26.c4+–) 26.Nf3 (26.a7 Nc8 27.d4 c5 28.de5 de5 29.Qc4 Rf7+/–) 26...Qc6 27.Kg1 Bf6 (27...Ra7 28.e4+–) 28.c4 (28.a7 Nc8 29.d4 e4+/–) 28...e4 (28...Ra7!?+/–) 29.Nd4+– Qd7 (29...Bd4 30.Bd4 (worse is 30.ed4 ed3 31.Qd3 Nc4+–) 30...ed3 31.Qd3 Nc4 32.Ra4+–) 30.f4 (30.a7 Rfe8+–) 30...Rfe8 31.Qc2 (31.Qd2 c5 32.Nb5 d5 33.Bf6 gf6+–) 31...c5 (31...Qf7 32.Nb5 ed3 33.Qd3 Ra6 34.Ra6 Bb2+–) 32.Nb5+– Bb2 (better is 32...d5 33.Bf6 gf6+–) 33.Rb2 (33.Qb2?! ed3 34.Qb3 d5 35.cd5 c4= (worse is 35...Re3 36.Nc3 Qd6 37.Rb1+/–)) 33...d5 (33...Qc6 34.d4+–) 34.cd5 Nd5 35.Qc5 Rec8 (35...Rac8 36.Qd6 Qf7 37.Qa3 ed3 38.a7+–) 36.Qd6 Qd6 (36...Qf7 37.Qe5 Ra6 38.Ra6 Rc1 39.Kf2+=) 37.Nd6 Rc3 (37...Rd8 38.Nb7 Rdc8 39.de4 Ne3+–) 38.de4 fe4 (38...Ne7 39.Rb7 Rc6 40.e5+–) 39.a7 Kh7 40.Rb8 Ra7 (40...Nc7 41.Ne8! Ra7 42.Ra7 Ne8 43.Re8+–) 41.Ra7 Rc1 42.Kf2 Rc2 43.Kg1 Rc7?? (43...Rc1 44.Kg2 Ne3 45.Kh3 Rc5+–) 44.Rc7+– Nc7 45.Ne4 Ne6 46.Kg2 (better is 46.f5 Nc7 47.Rb7 Nd5+–) 46...Kg6 47.g4 Kh7 48.h4 g6 49.Rb7 Ng7 50.Nf6 1–0. Martinez Pastor,F – Sanchez Astillero,Manuel, ESP–ch Veterans, 2010.

4.e4 a6 5.a4 ba4 6.Nc3 Bd7 (7.Bc4 Ra7). thinkerx – danelson, net–chess.com, 2005.

4.e4 a6 5.Be2 Be7 6.d3 (6.0–0 Nc6+/–) 6...h6 (6...Nc6 7.d4 f5 8.de5 fe4 9.Qd5 Nb4 10.Qa8 (10.Qe4? d5 11.Bb5 ab5–+) 10...Nc2 11.Kf1 ef3 12.Qc6 (worse is 12.Qf3 Na1 13.Qg3 g6–/+) 12...Bd7 13.Qc2 fe2 14.Qe2 de5 15.Be5+=) 7.Nc3 Nf6 8.0–0 Nh7? (better is 8...Nc6!?+=) 9.Nd5 c6 10.Ne7 Qe7 11.a3 (11.a4!? Nd7+–) 11...Bg4+/– 12.Qd2 Bf3 13.Bf3 (worse is 13.gf3 Qg5 14.Qg5 Ng5=) 13...Ng5 14.Bg4 0–0 15.Rfe1 (15.f4!? ef4 16.Qc3+– (16.Rf4?! Nd7+=; 16.Qf4?! Nd7+/–)) 15...Nd7+= 16.c3 Nf6 17.Bd1 Rad8 18.h4 Ne6 19.Bb3 Nh7 20.g3 Kh8 21.d4 Nc7 22.Rad1 f5? (better is 22...Nf6+/–) 23.ef5+– Rf5 (23...e4 24.f3! d5+–) 24.c4?? (better is 24.de5!? Re5 25.c4 Re1 26.Re1+– (26.Qe1?! Qe1 27.Re1 Rd7+–)) 24...bc4 (24...e4 25.cb5 cb5 26.d5+/–) 25.Bc4 (better is 25.Bc2 Rff8 26.de5+–) 25...d5? (better is 25...e4+/–) 26.de5 Nf8? (26...Rdf8 27.Be2 Rf2 28.Bd4+–) 27.a4 (better is 27.Bd3 Rf7 28.Rc1+–) 27...Nfe6 28.Bd3 Rff8? (better is 28...Rf3+–) 29.f4 Qe8 (29...Rb8 30.f5 Qb4 31.Qb4 Rb4+–) 30.f5 Rd7 (30...c5 31.fe6 Ne6 32.Bb1 cb4 33.Qb4+–) 31.fe6 Qe6 32.Rf1 Rdf7 33.Rf7 Rf7 34.Bd4 Qh3 35.Qg2 Qg4 36.Be2 Qc8 37.Bh5 (37.Rf1 Qe6+–) 37...Re7 38.g4 (better is 38.Qf2 Ne6+–) 38...Ne6 39.Bb6 (better is 39.Bc3 d4 40.Bd2+– (40.Bd4?! Rd7+–)) 39...Nf4 40.Qg3?? (better is 40.Qf3 Nh5 41.gh5 Re5 42.Rd4+–) 40...Ne2–+ 41.Kf2 Ng3 42.Kg3 Qb8 43.Bc5 (43.Bd4 c5 44.Bf2 Qe5 45.Kg2 Qe4 46.Kg3–+) 43...Re5 44.Kf3 Re4 45.Bg6 (45.Kg2 g6! 46.Rf1–+) 45...Qf4 0–1. croach (2385) – axxle (2310), net–chess.com, 2015.

2.Bb2 e5

3.a3 a5 4.e3 +=.

3.a3 a6 4.Be5+= f6 (4...Nc6 5.Bb2+=) 5.Bb2 c6 6.e3 a5 7.c3 a4 (7...d5 8.Bd3+/–) 8.Nf3 (8.c4 bc4 9.Bc4 d5+–) 8...h5 (8...d5 9.Bd3+/–) 9.d4 (9.c4!? bc4 10.Bc4 d5+–) 9...d5 10.Nbd2 g5 11.h3 (11.Bd3 Bd6+–) 11...h4 (11...Bf5 12.Qe2+/–) 12.Bd3+– Qe7 13.0–0 (better is 13.Qc2+–) 13...Na6? (better is 13...g4!? 14.hg4 Bg4+/–) 14.Re1 (better is 14.e4 de4 15.Be4+–) 14...Bb7? (better is 14...f5+–) 15.e4 de4 16.Re4 Qe4 17.Ne4 f5 18.Nd6! Bd6 19.Qe2 Kd7 20.Ne5 Kd8 21.Nf7 Kd7 22.Bf5 Kc7 23.Nd6 Kd6 24.Qe5 1–0. Fournier,Frederic (2215) – Horeau,Remi, Grand Prix Oise, 2002.

3.a3 c5 4.bc5+= Bc5 (4...Nc6 5.e3+=) 5.Be5+/– f6 (5...Nf6 6.e3 Bb7 7.Nf3+/– (7.Bb5?? Bg2 8.Be2 Bh1–+)) 6.Bb2 d5 7.e3 (7.e4 a6 8.d4+/–) 7...Nc6? (better is 7...a6!?+/–) 8.Bb5+– Bd7 9.c4 dc4?? 10.Bc4 Nge7?? 11.Nf3 Na5 12.Ba2 Nf5 13.0–0 Qc7 14.d4 Bd6 15.Nbd2 g5 16.h3 h5 17.Ne4 Ke7 18.Nd6 Qd6 19.e4 g4 20.ef5 gf3 21.Qf3 Rag8 22.Rfe1 Kd8 23.Bg8 Rg8 24.Qa8 Bc8 25.Rac1 Qd7 26.g3 Re8 27.Re8 (27.Re8 Ke8 28.Rc8 Ke7 29.Rh8+–) 1–0. Fournier,Frederic – chuco, Active, 2008.

3.a3 Nc6 4.e4 a6 5.Nf3 d6 6.c4 Nf6 7.Qc2 Be7 (better is 7...Na7!?+=) 8.cb5+– Nd4 (8...Nb8 9.ba6 Ba6 10.Ba6 Ra6 11.0–0+–) 9.Nd4 ed4 10.ba6 (better is 10.Bd4 0–0 11.ba6+–) 10...Ba6?? (10...c5 11.Bb5 Bd7 12.Qd3+/–) 11.Ba6 (better is 11.Qc6 Nd7 12.Ba6+–) 11...Ra6 12.Bd4 c6 (12...0–0 13.0–0+–) 13.0–0 0–0 14.Nc3 h6 15.Qd3 (15.a4 c5 16.Bf6 Bf6+–) 15...Ra8 (15...Qa8 16.Qg3+–) 16.Qg3 c5 17.bc5 (17.Be3 Kh8+–) 17...dc5 18.Be3 Nh5 19.Qe5 Nf6 20.Bc5 Bc5 21.Qc5 Qd2 22.f3?? (better is 22.Rfd1 Qf4 23.Nd5 Qe4 24.Nf6 gf6 25.Qc3+–) 22...Rfc8–+ 23.Qb4 Rc3 24.Rfd1 Qe3 25.Kh1 Rca3 26.Ra3 Qa3 27.Qb7 Qa1 28.Rb1 Qa7 29.Qc6 Nd7 30.h3 Ne5 31.Qd5 Re8 32.Kh2 Qd7 33.Qa2 Qd6 34.Kh1 h5 35.h4 Qc5 36.Kh2 Ng6 37.g3 Ne5 38.Kg2 Rc8 39.Rb2 Nd3 40.Rd2 Nc1 41.Qb2 Qc3 42.Kh3?? Qb2 43.Rb2 f6 44.Kg2 Nd3 45.Rd2 Ne5 46.Kf2 Kh7 47.Ra2 Nd3 48.Ke3 Rc3 49.Kd2 Nb4 50.Kc3 Na2 51.Kb3 Nc1 52.Kc2 Ne2 53.g4 hg4 54.fg4 Kh6 55.Kd3 Nf4 56.Ke3 Ng2 57.Kf3 Nh4 58.Kg3 g5 59.Kf2 Ng6 60.Kf3 Ne5 61.Kg3 Kg6 62.Kh3 Nf3 63.Kg3 Nd2 64.Kf2 Ne4 65.Kf3 f5 66.gf5 Kf5 67.Kg2 g4 68.Kf1 g3 69.Kg2 Kf4 70.Kf1 Kf3 71.Kg1 g2 (72.Kh2 Kf2 73.Kh3 g1Q 74.Kh4 Qg3 75.Kh5 Qg5#) 0–1. losertoo (1860) – iboyd (1950), net–chess.com, 2006.

3.a4 c6 4.Be5+/– d6 5.Bg3 Nf6 6.ab5 cb5 7.e3 Bg4 (better is 7...Nc6+–) 8.Bb5 Ke7 (8...Bd7 9.Bd7 Nbd7+–) 9.Nf3 h6 (9...Qc8 10.Nc3 Qb7 11.Be2+–) 10.c4 Ne4 (10...a6 11.Nc3+–) 11.Nc3 Nc3 12.dc3 Kf6 (12...a6 13.Qd5 Be6 14.Qa8 ab5 15.cb5 Kf6+–) 13.Qd4 Ke7 14.Qg4 f6 15.Qe4 Kf7 16.Qa8 (16.Qd5 Kg6 17.c5 Qd7 18.Bd3 f5 19.Bf5 Qf5 20.Nh4 Kh7 21.Qf5 Kg8 22.Qd5 Kh7 23.Qe4 Kg8 24.Qa8 a5 25.cd6 Kh7 26.Qe4 Kg8 27.Qe6 Kh7 28.Qf5 Kg8 29.Ng6 Nc6 30.Qf8 Kh7 31.Qh8 Kg6 32.Qe8 Kh7 33.Qc6 h5 34.d7 a4 35.Qe4 Kh6 36.d8Q g6 37.Qf6 a3 38.Qfg6) 16...g5 17.Ra7 Be7 18.Qd5 Kg7 19.Bd6 Kg6 20.Qe4 Kf7 (20...f5 21.Qe6 Kg7 22.Be7 Qd1 23.Kd1 Nd7 24.Bf6 Kg6 25.Bh8 Kh7 26.Rd7 Kh8 27.Qe8) 21.Ne5! fe5 (21...fe5 22.Qf5 Mate attack) 22.Qf5 Kg8 23.Re7 Qe7 24.Be7 Nc6 (24...Kg7 25.Qf6 Kh7 26.Qf7) 25.Qg6# 1–0. pcmvr (2830) – valerypavlovich (2105), net–chess.com, 2014.

3.Be5 f6 4.e3 fe5 5.Qh5 Ke7 6.Qe5 Kf7 7.Qd5 Ke8 8.Qa8 Nc6 9.c3 a6 10.a4 Nge7 11.ab5 ab5 12.Nf3 Nd5 13.Bb5 Nb6 14.Qa2 Bb7 15.d4 d5 (15...Ne7+–) 16.Qa7 Qb8 (16...Qc8 17.Ne5 Bd6 18.Qb7 Qb7 19.Bc6 Qc6 20.Nc6 Kd7+–) 17.Qb8 1–0. orane (2215) – kdfoerster, Live Game Caissa's Web, 2004.

3.Be5 Nf6 4.e3+/– Nc6 5.Bb2 (5.Qf3 Bb7+/–) 5...a6 (5...Nb4 6.Bb5 Rb8 7.Nc3+=) 6.a3 Be7 (6...d5 7.Nf3+/–) 7.Nf3 0–0 8.c4 bc4 9.Bc4 d5 10.Be2 Bd6 11.Nc3 Qe7 12.0–0 Ne5 13.d3 Bg4 14.Ne5 (14.Nd4 Bd7+/–) 14...Be2 (14...Qe5 15.g3 Be2 16.Qe2+/–) 15.Qe2 (15.Ne2 Be5 16.Be5 Qe5+–) 15...Be5 16.g3 (better is 16.f4 Bc3 17.Bc3+/–) 16...Qd6?? (16...Rfe8 17.Rfc1+/–) 17.Na4?? (better is 17.d4 Bd4 18.ed4+–) 17...Bb2+/– 18.Qb2 Rad8 19.Nc5 Ng4 20.Kg2 Rb8 21.Qe2 Ne5 22.Rac1 d4 23.e4 Rfd8+/– 24.f4 Nd7 25.Nd7 Rd7+/– 26.Rc4 Qb6 27.Rfc1+– Rb7 28.Qc2 h6 29.Rc6 Qb5 30.Qc4 Qh5 31.Qa6 Qe2+= 32.Kg1 Rb8? 33.R6c2+– Qe3 34.Kf1?? Qf3= 35.Ke1 Qh1 36.Kf2+/– Qh2 37.Kf3 Qh5 38.Kg2 Rbd8 39.Rc7?? Qe2= 40.Kh3 Rc7 41.Rc7 Qf1 42.Kg4?? Qe2 43.Kh3 Qf1 44.Kg4?? Qe2 45.Kh3 ½–½. Fournier,Frederic (1650) – apantoja815, Active, 2007.

3.e3 a6

4.a4 ba4!? 5.Ra4 Nc6 +=.

4.a4 c6 5.Be5+/– Nf6 (5...d6 6.Bc3 ba4 7.Nf3+/–) 6.ab5+– cb5 7.Qf3 Nc6 8.Bf6 gf6 9.Bb5! Bb7 (9...ab5 10.Ra8 Pinning (10.Ra8 Deflection)) 10.Bf1 Be7 11.c3 0–0?? (better is 11...Nb4 12.Qf5 Nd5+/–) 12.Bd3+– Ne5 13.Qb7 Nd3 14.Ke2 Nc1 15.Kd1 Nd3 16.Nh3 Rb8 17.Qa6 d5 18.Qd3 Ra8 19.Na3 Qd7 20.Nf4 Qg4 21.f3 Qg2 22.Ng2 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

4.Be5 Nc6 5.Bb2 Nb4 6.a3 Nc6 7.c4 bc4 8.Bc4 Bb7 9.Qf3 Nf6 10.Qg3 (10.Bf6 Qf6 11.Qf6 gf6=) 10...Na5 11.Ba2 Bd6?? (Better is 11...d6=) 12.Qh4 (Better is 12.Qg7 Rf8 13.Bf6+– (< 13.Qf6 Qf6 14.Bf6 Bg2–/+)) 12...Be7 13.Qa4?? c5?? 14.Nf3= Bc6 15.Qf4 0–0 16.0–0 d5 17.Ng5 Bd6 18.Qh4= h6 19.f4? hg5 20.fg5 Nh7 21.g6 Qh4 22.Rf4 Bf4 23.gh7 Kh8 24.ef4 Qf4 25.g3–+ Qf3 26.d4 cd4 27.Nd2 Qe3 28.Kg2 Qd2 29.Kh3 d3 30.Bc1 Qf2 31.Bf4 d4 32.Bd5–+ 1–0. slavisa11 – TheGuy, Live Game Caissa's Web, 2004.

4.Be5 Nc6 5.Bc3 Nb4 6.Bb4 Bb4 7.c3 Bd6 8.Qf3 Rb8 9.Bd3 Nf6 10.Ne2 Bb7 11.Qh3 0–0 12.0–0 c5 13.Ng3 c4 14.Bc2 Bc7 15.Nf5 d5 16.Qg4?? (16.d4 g6 17.Nh6 Kh8–/+) 16...g6 (Better is 16...Ng4 17.f4 Qf6–+) 17.Nh6 Kh8 18.h4?? Ng4–+ 19.Ng4 Qh4 0–1. slavisa11 – TheGuy, Live Game Caissa's Web, 2004.

3.e3 Nc6

4.a3 Nf6 5.c4 (5.Bb5 Bb7+=) 5...a6 (5...bc4!? 6.Bc4 Rb8=) 6.cb5+= ab5 7.Bb5 Ba6 8.Bc6 dc6 9.Qf3 (9.Be5 Nd7 10.Bc3 c5+/–) 9...Bb5 10.a4?? Ra4 11.Ra4+= Ba4 12.Nc3 Bb5 13.Nb5 cb5 14.Qc6 Qd7 15.Qa8 Qd8 16.Qc6 Qd7 17.Qd7 Nd7 18.Ne2 Bd6 19.Nc3 c6 20.Ne4 Bc7 21.Ke2+= 0–0 22.Ra1 f5 23.Nc5 Nc5 24.bc5 Bd8? 25.Bc3 Be7 26.Be5+/– Bc5 27.Ra6 Re8 28.f4 g5 29.Rc6+– gf4?? 30.ef4 Bd4+= 31.Kf3 Be5 32.fe5 Re5 33.Rc8 Kg7 34.Rb8 Rd5 35.d4 Kg6 36.Rb6 Kg5 37.g3 h5?? 38.h4 1–0. slavisa11 – TheGuy, Live Game Caissa's Web, 2004.

4.Bb5 a6? 5.Bc6+– dc6 6.Be5 Bd6?? (better is 6...Nf6+–) 7.Bg7 (7.Bg7 Qg5 8.Bh8 Qg2 9.Qf3+–) 1–0. Schellen,Anton – Jankovic,Mladen, FICGS, 2006.

4.Bb5 Nb4 5.a3 Nd5 6.Be5 c6 7.Bc4 Ngf6 8.Nc3 Bb7 (Better is 8...Nc3!? 9.Bc3 d5+=) 9.Nd5 cd5 10.Bb3 Be7 11.d4 d6 12.Bf6 Bf6 13.Rb1 0–0 14.Nf3 Rb8 15.0–0 Qa5 16.c4 (Better is 16.Qd2!? Bd8 17.Qb4+/–) 16...dc4+= 17.Bc4 Qa3 18.Be2 Qc3 19.Rb3 Qc6 20.Qb1 a5 21.Rc1 Qd5? (Better is 21...Qd7!?+=) 22.Rb5 Qe4 23.Qe4 Be4 24.Ra5 d5 25.g3 (25...Rfc8 26.Rc8 Rc8 27.Nd2+/–) 1–0. slavisa99 – TheGuy3, Live Game Caissa's Web, 2004.

4.Bb5 Bb7!? 5.a3 Nb4 +=.

3.Be5 Bb4??

4.Bg7 d6 5.a3 Ba5 6.e3 Bf5 7.Bb5 c6 8.Bc4 f6 9.Bh8 Qe7 10.Bg8 Qe5 11.c3 Be4 12.Qb3 Nd7 13.f3 Bd5 14.Bd5 cd5 15.Ne2 Kf7 (16.Qb7 Rh8 17.Qa7 Rd8 18.Qa5 Rb8+–). wlittle (2295) – danelson, net–chess.com, 2004.

4.Bg7+– Bf8 5.Bh8 Nh6 (5...Bb7 6.Nf3+–) 6.e3 d5 (6...Bb7 7.Nf3 a6 8.Bd3+–) 7.Bb5 Qd7 (7...c6 8.Bd3 Bf5+–) 8.Bd7 Kd7 9.Nc3 Na6 10.Nd5 Nc5 11.Nf6 Ke7 12.d4 Na4 13.Qf3 Be6 14.Qa8 (14...Nf5 15.Qe8 Kd6 16.Qf8 Ne7 17.Qd8 Kc6 18.Qe7+–) 1–0. Taulien,Hans_Juergen – Boeer,Marko, remoteschach.de, 2002.

3.Be5 Nc6

4.Bb2 Nb4 5.a3 Nd5 6.e3 a6 7.Nf3 Ngf6 8.c4 bc4 9.Bc4 Nb6 10.Be2 Be7 11.0–0 0–0 12.Nc3 Bb7 13.d4 d6 14.Rb1 c6 15.e4 Rb8 16.Re1 Re8 17.Qd2 Qd7 18.d5 (18.Bc1!? Qc7 19.Qf4+=) 18...cd5= 19.ed5 Nbd5 20.Nd5 Bd5 21.Ba6 Bf3 22.gf3 Qf5 23.Qd3 Qg5 24.Kh1 h6 25.Rg1 Qf4 26.Qe3 Qh4 27.Bd3 (Better is 27.Bb5!+/–) 27...d5=+ 28.Qa7?? (Better is 28.Qd4 Qd4 29.Bd4 Rb1 30.Bb1=+) 28...Bd6–+ 29.f4 Qf4 30.Rg2 (30.Rg3 Rb2! 31.Rb2 Qc1 32.Kg2 Qb2–+) 30...Rb2! 31.Rb2 (31.Rf1 Rb3 32.Rfg1 Rd3 33.Rf1–+) 31...Re1 (32.Bf1 Rf1 33.Rg1 Qh2#) 0–1. mast (1910) – Hossa (2125), ICS Rated blitz match, 1998.

4.Bc3 Bb4 5.a3 Bc3+= 6.Nc3 a6 7.e4 Nf6 8.h3 0–0 9.Nf3 d6 10.Be2 Bb7 11.0–0 Re8 12.d3 Ne5 13.d4 (13.Rb1!?+=) 13...Ng6 14.Bd3 d5 (better is 14...c5!?–/+) 15.e5= Nd7 (15...Ne4 16.Qe1 c5 17.Ne4 de4 18.Be4 Be4 19.Qe4 cd4 20.Rfd1=) 16.Re1 Nf4 17.h4 c5 18.Kh2? (better is 18.Bf5=) 18...cd4–+ (18...Nd3?! 19.Qd3 cd4 20.Ng5–/+) 19.Nd4? (better is 19.Na2!?–+) 19...Qh4 20.Kg1 Ng2?? (better is 20...Ne5 21.g3 Qg5–+) 21.Kg2+= Qd4?? 22.Qd2 Qg4 23.Kf1 d4 24.Ne4 Qh3 25.Ke2 Ne5 26.Qf4 Nc4 27.Rh1 Qe6 28.Kf3 Be4 29.Be4 Ne5 30.Kg3 Ng6 31.Bg6 Qg6 32.Kf3 Qc2 33.Qd4 Qf5 34.Kg2 Rad8 35.Qb2 Qg4 36.Kf1 Re2 37.Qe2+– Qe2 38.Ke2 g6 39.Rhd1 Re8 40.Kf1 h5 41.Re1 Rd8 42.Rad1 (42.Rad1 Rc8 43.Rd6+–) 1–0. gordiemac – Dazzer, ChessWorld.net, 2011.

4.Bc3 Bb4?? 5.Bg7 Bc5 6.Bh8 d6 7.e3 Bb7 (7...a6 8.d4 Bb6 9.Bd3+–) 8.d4 Bb6 9.Bb5 Qg5 (9...a6 10.Ba4 Ba5 11.c3+–) 10.d5 (10...Qg2 11.Qf3 Qf3 12.Nf3+–) 1–0. Fiedler,Peter – Neffgen,Dieter, T0076 DESC, 2003.

4.Bc3 Nb4 5.Bb4 Bb4 6.e3 a6 7.c3 (7.a4 Bb7=) 7...Bd6 8.Qf3 Rb8 9.c4 (9.a4!?=+) 9...Bb7–/+ 10.Qg4 Qf6 11.Nc3? (Better is 11.d4 Bb4 12.Nd2 Bd2 13.Kd2 Qf2 14.Ne2–+) 11...b4 12.Rc1 bc3 13.dc3 Ba3 14.Rc2 Bc6 15.Nf3 Rb1 16.Ke2 Ba4 17.Rd2 Ne7 18.Qe4 Qc3 19.Qb1 Qc4 20.Ke1 Bb4?? 21.Bc4+– d5 22.Qb4 dc4 23.Qa4 c6+– 24.Qc4 0–0 25.Ng5 Nd5 26.Qh4 h6 27.f4 hg5 28.fg5 Ne3 29.Ke2 Nf5 30.Qf4 g6 31.Kf2 a5 32.h4 c5 33.h5 c4 34.h6 Kh7 35.Qe5 a4 36.g4 f6 37.gf5 37...fe5+– 38.Kg3 Rf5 39.Rf2 1–0. slavisa11 – TheGuy, Live Game Caissa's Web, 2004.

3.Be5 d6

4.Bb2+/– a5 5.a4 ab4 6.ab5 Ra1 7.Ba1 Nf6 +/–.

4.Bb2 Nc6 5.c3 Bg4 6.f3 Bf5? 7.e4+– Be6 8.a4 1–0. deepattack – miriaml, net–chess.com, 2003.

4.Bb2 Be6 5.e3 a6 6.Nf3 Nc6 7.Be2 (better is 7.a4 Nb4 8.c3+/–) 7...g6?? (better is 7...Nb4 8.a4 ba4 9.Ra4 a5+=) 8.Bh8+– f6 (8...Nb4 9.a4 c6 10.Nd4+–) 9.0–0 (9.a4!? Nb4 10.c3 Nc6 11.ab5 ab5 12.Ra8 Qa8 13.Bb5 d5+–) 9...Nh6 10.d3 (10.a4 ba4 11.b5 ab5 12.Bb5 Bd7+–) 10...Nb4 (10...Nf7 11.d4 d5 12.Bf6 Qf6 13.a4+–) 11.a3 (11.Nd4 Bg8 12.Bf3 d5+–) 11...c5 (11...Nc6 12.Qd2 Be7 13.d4+–) 12.Nbd2 (better is 12.ab4 Nf7+–) 12...Qd7 (12...Nd5 13.Ne4 Be7+–) 13.Bf6 (better is 13.ab4!? Be7 14.bc5 Kf7 15.cd6 Qd6+–) 13...Ng4 14.Bb2 0–0–0 (14...Nd5+–) 15.ab4 cb4 16.Ra6 d5 17.Ne5 Qb7 18.Rc6 Kb8 19.Re6 d4 20.Nc6 Kc7 21.Nd8 Kd8 22.Bg4 h5 23.Bf3 Qd7 24.Re4 (24.Re4 Qa7 25.Rd4 Kc7 26.Rf4+–) 1–0. Valpa – Dc, playchess.de, 2005.

4.Bb2+/– Be7?? 5.Bg7+– Bf6 6.Bh8 Bh8 7.c3 c6 8.a4 Bf6 9.ab5 cb5 10.Qc2 Bb7 11.Qh7 Ke7 12.Nf3 Nc6 13.Ra2 Ne5 14.Ne5 Be5 15.d4 Bf6 16.e4 Qc7 17.Bb5 a6 18.Bd3 a5 19.ba5 Qd7 20.a6 Bc6 21.0–0 Qe6 22.Ra3 d5 23.e5 Bg5 24.Bf5 Nf6 25.ef6 Qf6 26.Re1 Kf8 27.Bd3 Bd7 28.Ra5 Bc8 29.Rd5 Be6 30.Rg5! Qg5 31.Qh8 Qg8 32.Qh6 Qg7 33.Qg7 Kg7 34.f4 Bc8 35.Nd2 Ra7 36.Ra1 f6 37.Ne4 Bf5 38.Nc5 Bd3 39.Nd3 Kg6 40.g4 Kf7 41.Kf2 Ke6 42.c4 Kd6 43.g5 fg5 44.fg5 Rf7 45.Kg3 Rc7 46.a7 Ra7 47.Ra7 (47.Ra7 Kc6 48.Ra6 Kd7 49.g6 Ke7 50.Ra7 Ke6 51.g7 Kf5 52.Nc5 Kf6 53.g8Q Kf5 54.Rf7) 1–0. Otto,Norbert – Newton,Daryl, ZN–2011–0–01715, 2011.

4.Bb2 Nf6 5.e3 Bb7 (5...a5!?+/–) 6.Bb5+– Nc6 7.Bf6 Qf6 8.Nc3 g6 9.Nge2 Bg7 10.Nd4 Kd7?? (10...d5+–) 11.Qg4 Ke7 (11...Ke8 12.Qe4 Kf8 13.Bc6 Bc6 14.Qc6 Qd8+–) 12.Nd5 (12.Nd5 Kf8 13.Nf6 Bf6 14.Qf3 Bd4 15.ed4+–) 1–0. Fritz11 – jumbo, casual, 2013.

2.Bb2 f6

3.d4 Nc6 4.e3 (4.c3 a5+=) 4...Nb4 5.a3 Nd5?? (better is 5...Na6+=) 6.Qh5+– g6 7.Qd5 c6 8.Qb3 a5 9.Nf3 a4 10.Qc3 (10...Bg7 11.Nbd2+–) 1–0. Wall,Bill – Udine, internet, 2003.

3.d4 e5 4.e3=.

3.e3 a6 4.a4 Nc6 5.ab5 Nb4? (better is 5...Nb8+–) 6.c3 Nd5 (6...Rb8 7.cb4 ab5 8.Na3+–) 7.Qh5 g6 8.Qd5 c6 (8...Rb8 9.Qb3+–) 9.bc6 dc6 10.Qd8 (better is 10.Qc6!? Bd7 11.Qf3 Rb8+–) 10...Kd8 11.Nf3 Bb7 (11...e5 12.d4 ed4 13.cd4+–) 12.Bc4 (12.Ba3 Bg7+–) 12...Nh6 13.0–0 e5 14.d4 e4 15.Nfd2 f5 16.Nb3 Ng4 17.N1d2 Bd6 18.h3 Nf6 19.Ba3 Ba3 20.Ra3 Nd7 21.Na5 Kc7 22.Rfa1 h5 23.h4 Rhf8 24.Ndb3 f4 25.Nb7 Kb7 26.Ra6 Ra6 27.Ra6 fe3 28.Na5 Kb8 29.Nc6 Kb7 30.fe3 Rf6 31.Bb5 Rf5 32.c4 g5 33.Ra7 Kc8 34.Ba6# 1–0. pcmvr (2110) – valerypavlovich (2120), net–chess.com, 2006.

3.e3 Ba6 4.Bb5!+/– Bb5 5.Qh5 g6 6.Qb5 Nc6 7.a3 e5 (7...a5+/–) 8.Nc3 (8.Qd3 Rb8+/–) 8...Bd6? (better is 8...a5!?=) 9.Qd3+/– Nge7 10.Nb5 0–0 11.Nd6 cd6 12.Qd6 Nf5 13.Qd3 Nh4?? (better is 13...Rb8+–) 14.Qc4 Kg7 15.Qh4 a5 16.ba5 Na5 17.Bc3 Nc6 18.Nf3 f5 (18...d5 19.0–0+–) 19.Qd8 Rad8 20.Ne5 Kg8 21.Nc6 dc6 22.Rb1 (22.a4 Ra8+–) 22...c5 (22...Ra8 23.Rb3+–) 23.Rb7 Rf7 24.Rf7 Kf7 25.0–0 (25.a4 g5+–) 25...c4 (25...Ra8 26.Bb2+–) 26.Rb1 Ke6 27.f4 h6 28.Rb6 Rd6 29.Rd6 Kd6 30.a4 Kc5 31.a5 Kb5 (31...Kc6 32.d3+–) 32.d3 cd3 33.cd3 g5 (33...Kc5 34.e4 fe4 35.de4+–) 34.d4 (better is 34.g4 gf4 35.gf5 fe3+–) 34...gf4 35.ef4 Ka6 36.d5 Kb7 37.d6 Kc6 1–0. Duke of Wellington – edog13, ChessWorld.net, 2015.

3.e3 d6? 4.Bb5+– c6 5.Be2 Ba6 (5...Nd7 6.a4+–) 6.c4 Qb6 7.Qa4 e5 (7...Bb7 8.Nc3+–) 8.Nc3 Ne7 9.Rb1 Nd7 (9...Bb7+–) 10.c5 dc5 11.Ba6 (worse is 11.Qa6 cb4 12.Ne4 Nd5+–) 11...Qb4 (11...cb4 12.Ne4 Ng6 13.Rc1+–) 12.Qd1 Nb8 (12...Rb8 13.Ba1 Qa3 14.Rb8 Nb8 15.Bc4+–) 13.a3 Qb6 14.Bc4 Nd7 15.Nh3 (15.Nf3 Rb8+–) 15...h6 (15...Nf5 16.Be6 Nd6 17.f4+–) 16.0–0 Qc7 17.f4 f5 (17...Rb8 18.Be6+–) 18.e4 g6 (18...Kd8 19.Na4 Ng6 20.ef5 Nf4 21.Nf4 ef4 22.d4+–) 19.ef5 gf5 (19...Nf5 20.Qg4 Kd8 21.Qg6+–) 20.Qh5 Kd8 21.fe5 Ne5 (21...Bg7 22.Nf4 Nf8 23.Na4 Be5 24.Nc5+–) 22.Nf4 Kd7 23.Be6 Kd6 24.Ne4! fe4 (24...fe4 25.Qe5#) 25.Qe5# 1–0. marekt – zippy1970, chessworld.net, 2015.

3.e3 e6 4.a3 (4.Qh5 g6 5.Qb5+/–) 4...Ne7? (4...a6!?+=) 5.Bb5 (5.Qh5 Ng6+–) 5...Ng6 6.Nf3 Be7 7.0–0 0–0 8.d4 Bb7 9.Nbd2 a6 10.Bd3+– d5 11.c4 Nc6 12.cd5 ed5 13.Qc2 Qe8 14.Rac1 Bd6 15.Rfe1 Nce7 16.e4 f5?? 17.e5 Nf4 18.ed6 Qg6 19.g3 Nd3 20.de7 Ne1 21.ef8Q Rf8 22.Re1 f4 23.Qg6 hg6 24.Re7 fg3 25.hg3 Bc8 26.Rc7 Bg4 27.Kg2 Bf3 28.Nf3 Rf7 29.Rf7 Kf7 30.Ne5 Kf6 31.Bc1 g5 32.f4 gf4 33.Bf4 g5 34.Be3 Kf5 35.Kf3 1–0. Fournier,Frederic (1685) – elviodavid, Active, 2009.

3.e4 a6 4.c4 e5 5.a3 d6 (better is 5...a5!?+/–) 6.cb5+– Bd7 (6...Ne7 7.Nc3 c6 8.ba6 Na6 9.Nf3+–) 7.ba6 Na6 8.Bc4 1–0. Johansson,Ragnar – Gradin,O, corr SSKK Veteran–SM, 1985.

3.e4 c6 4.Nf3 e5 5.a3 a5 6.Be2 a4 (better is 6...ab4!? 7.ab4 Ra1 8.Ba1 d5 9.ed5 Qd5+=) 7.0–0 g5 (7...d5 8.ed5 e4 9.Ne1 Qd5 10.d3+/–) 8.d3 (8.d4 d6+–) 8...d6 9.Nfd2 g4 (9...Qb6!?+/–) 10.Bg4+– Nh6 11.Bc8 Qc8 12.Nc3 Rg8 13.g3 Be7 14.Qh5 Rg6 15.Nf3 Bf8 (15...f5 16.Bc1 f4 17.d4+/–) 16.Nh4 Qg4 17.Qg4 Rg4 18.f3 Rg5 19.Ne2 Ra7 20.f4 Rh5 21.fe5 (better is 21.c4+–) 21...de5? (21...fe5 22.c4 bc4 23.dc4+/–) 22.Bc1 (22.Rf6 Bg7 23.Rf3 Rc7+–) 22...Ng8 (better is 22...Be7+–) 23.Nf5 Kf7 24.Kg2 Ke6 25.h3 Bh6 26.g4 Rf5 27.gf5 Kd6 28.Rg1 Bc1 29.Rac1 Rg7 30.Kh2 Rg1 31.Rg1 Ne7 32.Rg7 h6 33.Rh7 Na6 34.Rh6 Ng8 35.Rg6 Ne7 36.Rf6 Kd7 37.Rf7 Ke8 38.Rg7 Kf8 39.f6 Ng8 40.Rc7 Nc7–/+ 41.Kg3 Nf6 42.Kh4 c5 43.Kg5 Kg7 44.h4?? cb4–+ 45.ab4 Na6 46.c3–/+ a3 47.Nc1 Nd7 48.h5 Kh7 49.Na2–/+ Nc7 50.Nc1 Ne6–+ 51.Kh4 Nf4 52.Kg5 Nd3! 53.Nb3 Nf2 0–1. Valpa – Thrustnicely, playchess.de, 2005.

3.e4 d5? 4.ed5 (4.Qh5!? g6 5.Qd5 c6 6.Qd8 Kd8+–) 4...Qd5 5.a3 (5.Nc3 Qe6 6.Be2 c6+/–) 5...Qe4+= 6.Ne2 Bh3? (better is 6...e5+=) 7.Nbc3+– Bg2?? (better is 7...Qb7 8.Nf4 Bf5 9.Bb5 c6+–) 8.Ne4 Bh1 9.f3 (better is 9.N2g3 Be4 10.Bb5 c6 11.Ne4 e5+–) 9...Bf3 10.Bd4 (better is 10.Nc5!? e5 11.Ne6 Bd6 12.Ng7 Kd8+–) 10...Nc6? (better is 10...e5 11.Be3 Be4+–) 11.Be3 Rd8 12.N4g3 e6 13.c3 Bd6 14.Qc2 g6 15.Nf4 Bf4 16.Bf4 e5 17.Be3 Nge7 18.Be2 Be2 19.Ke2 0–0 20.a4 Rd7 21.Qb3 Kh8 22.ab5 Nb8 23.Bh6 Rfd8 24.Qf7 (24...Nf5 25.Qf6 Ng7 26.Bg7 Kg8 27.Bh6 Rd2 28.Bd2 Rd6 29.Qe7 Rd2 30.Kd2 h5 31.Nh5 gh5 32.Rg1 Kh8 33.Qg7) 1–0. aliwood – LAME WOLF, internet, 2005.

3.e4 e5 (--> 1.b4 e5 2.Bb2 f6 3.e4 b5).

3.e4 g6 4.Bb5+/– c6 5.Bc4 e6 6.Nf3 (6.a3 d5 7.ed5 ed5+/–) 6...Ba6 (6...d5 7.ed5 ed5 8.Bd3+=) 7.d3 (better is 7.Ba6 Na6 8.a3+–) 7...Bc4= 8.dc4 c5? (better is 8...Bb4 9.Nbd2 d6=) 9.b5+– d6 10.0–0 a6 11.Nc3 a5 12.a4 Nh6 13.Ne2 e5 14.Nc3 Bg7 15.Nd5 0–0 16.Qd3 Nd7 17.Rfd1 Ng4 18.h3 Nf2? 19.Kf2 Bh6 20.Bc1 Bc1 21.Rac1 Nb6 22.Nb6 Qb6 23.Qd6 Rab8 24.Qb6 Rb6 25.Rd7 h6 26.Rc7 g5 27.Rc5 Rd8 28.Rc7 h5 29.c5 Re6 30.Ra7 g4 31.Nh4 g3 32.Kg3 Rd4 33.c6 Re4 34.c7 Re3 35.Kf2 Re4 36.c8R (36.c8R Re8 37.Re8#; 36.c8Q Re8 37.Qe8#) 1–0. Pscheidl,Udo (1770) – Witt,Monika, RSS5E NoEngine–134, 2011.

3.Nf3 e5 4.a3 d5 5.d3 d4 6.Nbd2 Bd6 7.g3 Ne7 8.c3 0–0 9.c4 bc4 10.dc4 c6 11.Bg2 Ng6 12.Qb3 Be6 13.Qc2 Kh8 14.0–0 a6 15.Ne4 Be7 16.c5 Bg8 17.Ned2 Bd5 18.Nc4 e4 19.Ne1 d3 20.ed3 ed3 21.Qd3 Bg2 22.Qd8 Rd8 23.Kg2 Nd7 24.Nf3 Nde5 25.Nb6 Rab8 26.Ne5 fe5 27.Rfe1 Bf6 28.Rad1 Rd1 29.Rd1 Re8 30.Rd7 e4 31.Bf6 gf6 32.Rc7 Ne5 33.Ra7 f5 34.Ra6 Rd8 35.Ra8 Ra8 36.Na8 Kg7 37.Nc7 Kf6 38.a4 Nd3 39.b5 cb5 40.ab5 Nc5 41.b6 Ke7 42.Nd5 Ke6 43.Nc7 Kd7 44.Kh3 Kc6 45.Ne8 Kb6 46.Nf6 h6 47.Kh4 Kc6 48.Kh5 Kd6 49.Kh6 Ke6 50.Ne8 Nd3 51.Ng7 Kf6 52.Nh5 Ke5 53.Kg6 Nf2 54.h3 e3 55.Nf4 Nh3 56.Kh5 Nf4 57.gf4 Kf4 58.Kg6 e2 0–1. giorgo – lifi50, playok.com, 2012.

3.a4 c6

4.ab5 cb5 5.Nc3 a6 6.Nb5 d6 (better is 6...Bb7!? 7.Na3 Nc6+/–) 7.Nc3 Bf5? (7...Nh6+–) 8.e4 Bg6 9.Bb5! Nd7 (9...ab5 10.Ra8 Pinning (10.Ra8 Deflection)) 10.Bc6 Ra7 (10...Rb8 11.Ra6 Kf7+–) 11.Nb5! Qb8 (11...ab5 12.Bd7 Double attack (12.Ra7 Pinning; 12.Ra7 Deflection)) 12.Na7 Qa7 13.Qg4 h5 (13...Nh6 14.Ra6 Qf2 (14...Ng4?? 15.Ra7 Kf7 16.Rd7+–) 15.Kf2 Ng4 16.Kg3 Kd8 17.Kg4 e6+–) 14.Qg6 Kd8 15.Bc3 Rh6 16.Qf7 Rh8 17.b5 Nh6 18.Ba5 Kc8 (18...Qc7 19.Bc7 Kc7 20.Qe8 d5 21.Qd7 Kb6 22.d4 ab5 23.Qb7) 19.Qe8# 1–0. pcmvr – valerypavlovich (2125), net–chess.com, 2014.

4.Nf3 a5 5.ab5 Nh6 6.e4 d6 (better is 6...cb5 7.Bb5 Nc6 8.ba5 Ra5+–) 7.Nc3 Qb6 (7...Bb7 8.ba5 Ra5 9.Nd4+–) 8.Bc4 c5 (8...cb5 9.Bb5 Bd7+–) 9.Nd5 Qd8 (9...Qb7 10.ba5 e6+–) 10.b6 a4 (10...Na6 11.b5 e6 12.ba6 ed5 13.b7 Bb7 14.Bb5 Kf7 15.ab7+–) 11.Nc7 Kd7 12.Be6 Kc6 13.b5 Kb6 14.Na8 Kb7 (white timed out, 0–1). chessxliv (2100) – samantho (1875), net–chess.com, 2014.

3.e3 Bb7

4.Nf3 Bf3 5.Qf3+/– (5.gf3?! e5+=) 5...Nc6 6.Bb5 (better is 6.Bd3 e5 7.Qh5 Ke7 8.a3+/– (worse is 8.Bb5 Nb4 9.Ba3 c5 10.Bb4 cb4+=)) 6...e5? (better is 6...Nb4 7.Ba4 Rb8+=) 7.Bc6+– dc6 8.Qc6 Kf7 9.a3 Bd6 10.c4 Nh6 11.c5 Be7 12.0–0 Nf5 13.Qf3 (13.f4 ef4 14.Rf4 g6+–) 13...Nh4 (13...Qd3 14.Rc1+–) 14.Qh5 Ng6 15.f4 Qd5 (15...ef4 16.ef4 Kg8+–) 16.f5 Ke8 (16...Qd3 17.fg6 hg6 18.Qf3+–) 17.fg6 h6 18.Qe2 (18.d4 Qe4 19.de5 Qe3 20.Kh1 Rf8+–) 18...a5 19.Nc3 Qb3 20.d4 h5 (20...Rb8 21.Nb5 Bd8 22.de5 ab4 23.ef6 gf6 24.Qf3+–) 21.Rfb1 Qe6 22.Nb5 ed4 (22...Rc8+–) 23.Nc7 Kd7 24.Ne6 Ke6 25.Qc4 Kd7 26.Bd4 h4 27.Qd5 Ke8 28.Qa8 Kd7 29.Qh8 h3 30.Qh3 Ke8 31.Qc8 Bd8 32.c6 Ke7 33.Qd7 Kf8 34.Qf7 (34.Qd8) 1–0. nordlicht (2140) – harzer, gameknot.com, 2005.

4.Qh5 g6 5.Qb5 Ba6 6.Qa4 Bf1 7.Kf1 Bh6 8.Nf3 Qc8 9.a3 Na6 10.c4 c5 11.d3 cb4 12.ab4 Nc7 13.Nc3 f5 14.Nb5 Nf6 15.Bf6 ef6 16.Nd6 1–0. Bonetti,Shane – nicetrip, ICC, 2002.

3.e3 Nc6

4.a3 e5 5.Bb5 Nce7 6.Nf3 c6 7.Be2 Nd5 8.0–0 Nge7 9.c4 Nf4?? (9...Nc7 10.Nc3+–) 10.d3 (better is 10.ef4 ef4 11.Re1+–) 10...Ne2+/– 11.Qe2 g5 12.Ng5! Bb7 (12...fg5 13.Qh5) 13.Qh5 Ng6 14.Nh7 Qe7 (14...Kf7 15.f4 Qb6 16.f5 Qe3 17.Kh1+–) 15.Qg6 Kd8 16.Nf6 Rh6 17.Qe8 Qe8 18.Ne8 Ke8 19.Be5 d6 20.Bf4 Bg7 21.Bh6 Bh6 (21...Ba1 22.Nd2 Bf6 23.Ne4+–) 22.Nd2 d5 23.cd5 cd5 24.d4 Rc8 25.Rac1 Rb8 26.Nf3 Ba6 27.Rfe1 Bb7 28.Rc7 Kd8 (28...Bf8 29.Rh7 a6 30.Ne5+–) 29.Rec1 Bf8 30.Rh7 Rc8 (30...a5 31.ba5 Rc8 32.Rc8 Bc8 33.Ne5 Ba3 34.a6 Ba6 35.Ra7+–) 31.Rc8 Bc8 32.Ra7 (32...Bd6 33.Ne5+–) 1–0. hal1958 – ronan48, HCL–B2168 playchess.de, 2003.

4.a3 e5 5.d4 d5?? (better is 5...ed4 6.Qh5 g6=) 6.Bb5+– Bd7 7.de5 fe5 8.Qd5 Qe7?? (8...Nge7 9.Qc4 a5+–) 9.Bc6 Nf6 (9...Rd8+–) 10.Bd7 Qd7 11.Qd7 Nd7 12.Nf3 Bd6 13.0–0 Nf6 14.Nbd2 0–0 15.Ng5 h6 16.Ne6 Rf7 17.Bc3 Re8 18.Nc4 Re6 19.Nd6 cd6 20.Rad1 Ne4 (20...Ne4 21.Ba1 Rc7+–). Ento – Ronan48, playchess.de, 2003.

4.a4 +=.

3.e3 e5

4.a3 c6 5.c4 a6 6.Nf3 Ne7 7.d4 e4 8.Nfd2 f5 9.c5 Nd5 10.Nc3 Be7 11.Nd5 cd5 12.a4 Bb7 (better is 12...ba4!? 13.Ra4 0–0+/–) 13.ab5+– 0–0 14.ba6 Ba6 15.Ba6 Na6 16.Qb3 f4? (better is 16...Nc7+–) 17.Qd5 Rf7 18.Qe4 (better is 18.ef4 Nc7 19.Qe4+–) 18...Nb4?? (18...fe3 19.fe3 d5 20.cd6 Bd6+–) 19.Ra8 Qa8 20.Qa8 Rf8 21.Qb7 Nc2 22.Kd1 fe3 23.Kc2 Rf2 24.Bc3 (24.Qb3 Rf7 25.Ne4 e2+–) 24...e2 25.Re1 Bg5 26.Qd5 Kh8 27.Qa8 Bd8 1–0. hal1958 – ronan48, HCL–B2148 playchess.de, 2003.

4.a3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 b5).

4.Bb5 Bb4 5.Qh5 g6 6.Qh4 =.

4.Bb5 c6 5.Be2 (better is 5.Bd3+/–) 5...g5? (better is 5...Bb4!? 6.a3 Ba5=) 6.a3 (6.Bh5 Ke7+–) 6...d5 7.Bh5 Ke7 8.Nf3 (8.d4 e4+–) 8...Nh6 9.h3 Rg8 10.d3 Be6 11.Nbd2 a5 12.c3 Na6 13.Qb3 d4+/– 14.Qc2 de3 15.fe3 Nf5 16.Kf2 Bh6?? 17.Bg4+– Bg7 18.Rhe1 Nh4 19.Be6+– Ke6 20.Rad1 Nf5 21.d4 Bh6 22.Nc4 Qd5 23.Na5 e4 24.Nd2 Nh4 25.Qe4 Qe4 26.Ne4 f5 27.Ng3 g4 28.e4 gh3 29.ef5 Kf6 30.Re6 Kg5 31.Bc1 Kg4 32.Re4 Bf4 33.Rf4 Kg5 34.Re4 Kf6 35.Rh4 hg2 36.Kg2 Rae8 37.Kf3 Nc7 38.Rh6 Kf7 39.Rh7 Rg7 40.Rg7 Kg7 41.Nc6 Nd5 42.Bd2 Kf6 43.Ne5 Rg8 44.Rh1 Ne7 45.Rh6 Kg7 46.f6 Kf8 47.fe7 Ke7 48.Rg6 Rg6 49.Ng6 Kf6 50.Nf4 Ke7 51.a4 (51.a4 Kd7 52.a5+–) 1–0. Fournier,Frederic – jsabattin, Active, 2007.

4.c4 bc4 5.Bc4 (better is 5.Be5 d5 6.Bf4=) 5...Bb4?? (better is 5...d5 6.Bd3 e4=) 6.Qb3+– Ke7 (6...Bd2 7.Nd2 Nh6+–) 7.Qb4 d6 (7...Ke8 8.Qb3 Ne7 9.Bf7 Kf8 10.Ba3+–) 8.Nf3 (8.d4 Nc6 9.Qc3 ed4 10.ed4 Rb8+–) 8...Nc6 (8...c5 9.Qb3 Nc6 10.Nc3+–) 9.Qb5 (9.Qc3 Rb8+–) 9...Bd7 (9...Rb8 10.Qc6 Rb2 11.Bb3+–) 10.Qd5 Qf8 11.Nc3 Rb8 12.Nb5?? Kd8?? 13.Rb1?? Nb4=+ 14.Qe4 Bb5 15.Bb5 Rb5 16.0–0 d5 17.Qf5 Nh6–/+ 18.Qh3 Qc5 19.Ba3 Qc4 20.Rfc1?? Nc2?? 21.Rb5+– Qb5 22.Rc2 Qa4?! 23.Ne1 Qa3=+ 24.Qe6 Qd6 25.Rc6 Qe6–/+ 26.Re6 Kd7 27.Ra6 Rb8 28.Ra7 Rb1 29.Kf1=+ d4 30.h3 d3=+ 31.f3 Nf5–/+ 32.Kf2? Rd1 33.Ra3 Rd2 34.Kg1 Rd1 35.Rd3–/+ Rd3 36.Nd3 Ne3 37.Kf2 Nc4 38.a4 Kd6 39.Ke2 f5 40.Nc1 Kc6 41.Nb3 Kb6 42.h4 c5 43.h5 Nd6 44.Kd2? Nc4 45.Kc3 Ne3–/+ 46.g3 e4 47.fe4 fe4 48.Nd2 Nd5 49.Kc4 e3–+ 50.Nf3 Nb4 51.a5 Ka5–/+ 52.Kc5 e2 53.Ne1 Ka4 54.Kc4? g5 55.hg6= hg6 56.Kc3 g5 57.Kd2 Kb5 58.Nf3 Nd5 59.Ng5 Kc6 60.Ke2 Kd7 61.Kf3 Ke7 62.Ne4 Nf6?? 63.Nf6+– Kf6 64.Kf4 Kg6 65.Kg4 Kg7 66.Kg5 Kf7 67.Kf5 Kg7= 68.g4 Kh8?? 69.g5 Kg8?? 70.Kg6+– Kf8 71.Kh7 1–0. phildo – ariou, net–chess.com, 2003.

4.Be5+/– a5 5.ba5 Ra5 +/–.

4.Be5+/– fe5?? 5.Qh5+– g6 6.Qe5 (6...Qe7 7.Qh8+–) 1–0. Wall,Bill – Troutman G, internet, 2004.

2.Bb2 Nf6
(earlier: 1.b4 Nf6 2.Bb2 b5 (Fehr’s defence))

3.a3 a5 4.Nc3 ab4 5.ab4 Ra1 6.Qa1 c6 7.Nf3 Na6 0–1. dariuscyclone (2265) – croach (2395), net–chess.com, 2011.

3.a3 d5 4.Nf3 c6 5.e3 a5 6.Ne5 ab4 7.ab4 Ra1 8.Ba1 e6 9.c3 Bd6 10.Ng4 0–0 11.Nf6 Qf6 12.d4 e5 13.Be2 ed4 14.ed4 Re8 15.0–0 Qh4 16.g3 Qe7 17.Bd3 Nd7 18.Nd2 Nf6 19.Nf3 Bg4 20.Bb2 (better is 20.Kg2!?–/+) 20...Ne4–+ 21.h4 Qf6 22.Kg2 Bf3 23.Qf3 Qf3 24.Kf3 Nd2 25.Kg2 Nf1 26.Kf1 g6 0–1. NN – Fournier,Frederic, Paris FRA, 1993.

3.a4 Ba6 4.ab5 (4.e3 c6+=) 4...Bb5= 5.Nc3 Bc6 6.Nf3 e6 7.b5 Bb7 8.e3 c6 (8...a6 9.Be2=) 9.Bc4 a5 10.0–0 d5 11.Bb3 (11.Bd3 cb5 12.Nb5 Nbd7+=) 11...c5 (11...Bd6 12.Ba4=) 12.Ne2 (12.Qe2 Bd6=) 12...Nbd7 13.d3 Bd6 14.c4 0–0 (14...dc4 15.dc4 Bf3 16.gf3=) 15.h3 (15.cd5 Bd5 16.Bd5 Nd5=) 15...dc4+= 16.dc4 Qc7 (16...Bf3 17.gf3 Be5 18.Nc3=) 17.Nc3= Ne5 (17...Rfd8 18.Qe2=) 18.Ne5 Be5 19.f4 Rfd8 20.Qe1 Bd6 21.Bc2 Be7 22.e4 Rd4 23.Ra4 Qd8 (23...Rad8 24.Nb1 Ne4 25.Bd4 Rd4 26.Qa5 Qa5 27.Ra5+/–) 24.Qe3 Rd2 25.Rf2 Rf2 26.Qf2 Qd4 27.Nd1 (27.Qd4 cd4 28.Ne2 Ne4 29.Nd4 Nc5+=) 27...Qf2 (27...Qd8 28.Bf6 Bf6 29.e5+=) 28.Nf2 (worse is 28.Kf2 Ne4 29.Ke3 Ng3+=) 28...Nd7 29.Ra3 Nb6 30.Bd3 a4 31.Be5 Nd7 32.Bc7 Rc8 33.b6 Bd8 34.Bd8 Rd8 35.Ra4 Nb6 36.Ra5 Nd7 37.Ra7 Rb8 38.e5 Nb6 39.Be2 g6 40.Kh2 h5 41.Kg3 Kg7 42.Nd3 Nc4 43.Nc5 Bd5 44.Bf3 Kg8 45.Nd7 Rb3= 46.Nf6 Kf8 47.Nd5 ed5 48.Kh4 Ne3 49.Kg5 Rb5 50.g4 hg4 51.hg4 d4 52.Rd7 Kg7 53.Be4+– Kf8 54.Rd4 Ke7 55.Bf3 Rc5 56.Ra4 Rc3 57.Ra7 Ke6 58.Kh6 Rc5 59.Ra6 Ke7 60.Kg7 (60.Kg7 g5 61.f5 Re5 62.f6 Kd8 63.Kf7+–) 1–0. Thystrup,Preben – Fehr,Wolfgang, corr 3GMM–26, 1996.

3.a4 Nc6 4.ab5 Nb4 5.c3 Nbd5 6.e4 (6.c4 Nf4+=) 6...Nb6 (6...Ne4!? 7.d3 Nd6+=) 7.e5+= Ne4 8.d4 e6 9.h4 (9.Bd3 Bb7+=) 9...d6 (9...Bb7 10.Bd3=) 10.Bd3+= Bb7 11.Qc2 f5 12.f3 (12.ef6 Nf6 13.f3 c6+=) 12...Ng3 13.Rh3 Nh5 14.Ne2 Be7 15.Qb3 (15.Nd2 A) 15...Bh4 16.g3 Ng3 17.Ng3+– (worse is 17.Rg3 f4–/+); B) 15...de5 16.de5 Nd7=) 15...Bh4 16.g3 Bg3?? (16...Bd5 17.Qd1 Ng3 18.Ng3 Bg3 19.Rg3 Qh4–+) 17.Ng3+/– (17.Rg3 Bd5 18.c4 Ng3 19.Ng3 Qh4 (worse is 19...Bf3 20.Bf5 ef5 21.Qf3+=) 20.cd5 Qg3 21.Ke2 Nd5+=) 17...Nf4 18.Bf5 (better is 18.Bf1+=) 18...Bd5 19.Qc2 ef5 20.Qf5? (better is 20.Rh1!? Qg5 21.Rg1–+) 20...Nh3–+ 21.Qh3 Qg5 (21...Bf3 22.Nf5 g6 23.Qf3 gf5 24.Qh5 Ke7 25.Qf5–/+) 22.Qh5 Qh5 23.Nh5 Bf3 24.Ng7 Kf7 25.Nf5 Nc4 (25...Nc4 26.Nd2 Nd2 27.Kd2 de5 28.de5 Rhd8 29.Ke3 Bd5–/+) 0–1. Grehl,Siegfried – Fehr,Wolfgang, corr SOK–92–82, 1992.

3.Nc3 c6 4.e4 (4.a4 A) 4...ba4 5.e4 (5.Ra4 Qb6 6.e4 Na6 7.e5 Nd5 8.Nd5 cd5 9.Ba3 e6) 5...a5 6.Ra4 Ba6 7.b5 cb5 8.Bb5 Bb5 9.Nb5 Qb6; B) 4...Bb7 5.ab5 a6 6.b6 Qb6 7.Na4 Qc7 8.Bd4 c5 9.Bc5 Nc6; C) 4...e5= 5.Nf3 (5.ab5 Bb4 6.e3 0–0 7.Nf3 Re8 8.Be2 a6 9.0–0 Bb7) 5...e4 6.Nd4 Bb4 7.ab5 cb5 8.Ncb5 Nc6 9.e3 0–0) 4...d5 (4...a5 5.e5 ab4 6.Nb5 cb5 7.ef6 ef6 (7...gf6 8.Nf3 Rg8 9.g3 Qb6) 8.Nf3+= Bc5 9.Qe2 Kf8) 5.e5+= Ne4 (5...Ng4 6.a4+= (6.Nf3 Nd7 7.e6 fe6 8.Be2 a5 9.Ng5 Ngf6) 6...Na6 7.Nf3 Qb6 8.d4 Nb4 9.Be2 Bd7) 6.Ne4 (6.Qf3 Nc3 7.Bc3 a5 8.ba5 Na6 9.Nh3 d4) 6...de4 7.Qe2 (7.a4+= Na6 8.Bc3 e6 9.ab5 Nb4; 7.Nh3 Na6 8.Bc3 h5 9.Nf4 Nc7) 7...h5? (7...Bf5 8.a4 (8.g4 Bg6 9.Bg2 e6) 8...e6 9.Bc3= (9.g4 Bg6) 9...Na6) 8.0–0–0?? (better is 8.Qe4 Be6 9.a4+–) 8...Bg4+= 9.f3 (better is 9.Qe4 Bd1 10.Kd1+=) 9...Qb6?? (better is 9...ef3 10.gf3 Be6+=) 10.fg4+– hg4 11.Qe4 g6 12.Qg4 e6 13.Bd3 Bh6 14.Bg6! fg6 15.Qe6 Kf8 16.Rf1 Kg7 17.Qf7 1–0. Taulien,Hans_Juergen (2350) – Mahlow,Cerstin (2000), remoteschach.de, 2001.

3.Nc3 Nc6 4.Nb5 Ba6 (4...Rb8 5.e3+=) 5.e3 Nb4 6.a3 Bb5 7.Bb5 Nbd5 8.Nf3 (8.Rb1 Rb8 9.Bc4 e6+=) 8...Rb8= 9.c4 a6 10.a4 (better is 10.Bf6 ab5 11.cd5 ef6 12.0–0+=) 10...Nb4 11.0–0 (11.Bc3 Nd3 (11...ab5?! 12.Bb4 bc4 13.Bc3=) 12.Ke2 Ne4 13.Ba6 Nef2–/+) 11...ab5 12.cb5 e6 13.Nd4 (13.Qe2 Nc2 14.Rac1 Na3–/+) 13...Be7 14.Qe2 c5 15.a5? (better is 15.Nb3–+) 15…cd4 (15...cd4 16.Bd4 Nc2 17.Bf6 Bf6–+) 0–1. Stummerer,Alfred – Fehr,Wolfgang, corr SOK–90–66, 1990.

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

3.e3 Nd5 4.Bb5 Nb4 5.a3 c6 6.ab4 cb5 7.Na3 e6 8.Nb5 Bb4 (8...Nc6 9.c3+=) 9.c3 (better is 9.Qg4!? Nc6 10.Qg7+–) 9...Bc5+= 10.d4 Bb6?? (better is 10...Qb6 11.Qa4 Be7=) 11.Nd6+– Ke7 12.Ba3 Kf6 (12...Qg8 13.Nc8 Kd8 14.Nb6 ab6 15.Bd6 Ra1 16.Qa1+–) 13.Qf3 (13.Qh5 Bc5 14.Qf7 Kg5 15.Qg7 Kh5 16.h4 Bd6 17.g4) 13...Kg6+– 14.Nf7 Qf6 (14...Nc6 15.Nd8 Bd8+–) 15.Nh8 Kg5 16.Be7 Qe7 (16...e5 17.Bf6 gf6 18.Nh3 Kh6 19.Qf6 Kh5 20.Qg5) 17.Qf4 Kh5 18.g4 (18.h4 Bd4 19.g4) 18...Kh4 19.Nf3 Kh3 20.Qg3 1–0. Fournier,Frederic – Chalvet,Philippe, France, 1993.

3.e3 d6 4.Bb5 Bd7 5.Bd7 Nbd7 6.Bf6 Nf6 7.Ne2 e5 8.d4 ed4 9.Qd4 a5 (9...c5 10.bc5 dc5 11.Qa4 Qd7 12.Qd7 Kd7 13.Na3+/–) 10.b5 c5 11.Qd3 Rb8 12.Nbc3 g6 (12...d5 13.Rd1 Qd6 14.a4+–) 13.Rd1+– Rb6 14.Nf4 Bg7 15.Nfd5 Rb7 (15...Nd5 16.Nd5 Rb8 17.c4+–) 16.Nf6 Bf6 17.Qe4 Re7 18.Qc6 Rd7 (18...Kf8 19.Ne4 Be5 20.Qc5+– (20.Nd6 Rd7+=)) 19.Nd5 Be5 20.f4 Bg7 21.Nb6 0–0 1–0. orane – Johansson, Live Game Caissa's Web, 2005.

3.e3 g6 4.Nf3 (4.Bb5 Bg7+/–) 4...Bg7 (4...c6 5.a4+=) 5.Bb5+/– 0–0 6.0–0 Bb7 7.d4 c6 8.Bd3 d6 9.Nbd2 Nd5 (9...a5 10.ba5 Qa5+/–) 10.c4 (better is 10.a3!?+–) 10...Nb4+= 11.Qb3 d5?? (better is 11...Nd3 12.Qb7 Qb6 13.Qa8 Nd7 14.Qf8 Nf8+=) 12.Qb4+– Nd7 (12...Bc8 13.Rab1+–) 13.Qb7 Rb8 14.Qc6 e6 (14...Rb2 15.Qd5 Qc7+–) 15.Ba3 Rb6 (15...Re8 16.cd5 e5 17.de5+–) 16.Qa4 e5 (16...Re8 17.Qa7 Rc6 18.cd5 ed5 19.Rfc1 Rc1 20.Rc1+–) 17.Bf8 Qf8 (17...Nf8 18.Ne5 Be5 19.de5 dc4 20.Qc4+–) 18.cd5 (better is 18.Qd7 e4 19.Qa7 Re6+–) 18...Rb7 19.h3 (better is 19.Rab1 Rc7 20.Qa5 Qd8 21.de5 Ne5+–) 19...Qb4 (19...ed4 20.e4 Nb6 21.Qa6+–) 20.Bc2 (better is 20.Qc6 Nf8 21.Rfb1 ed4 22.Rb4 Rb4 23.ed4 Rb2+–) 20...Qa4 21.Ba4 Nb6 22.Bc6 Rc7 23.de5 Nd7 24.Bd7 Rd7 25.e4 Rb7 26.d6 Rd7 27.Nc4 (27.Rfc1 Be5 28.Rc8 Kg7 29.Ne5 Rd6+–) 27...a6 28.Rfd1 Kf8 29.Rab1 Rd8 30.Rb6 Rd7 31.Rb8 (31.Rb8 Rd8 32.Rd8) 1–0. Steingraeber,Barbara (2240) – Pieleck,Kerstin (1660), RSX9E – A00 – Sokolsky–1, 2002.

3.f3 a6 4.Bf6 (4.a4 e6=) 4...ef6+= 5.g4? (5.c3 a5 6.e4 c6 7.ba5 d5+=) 5...Bd6 (5...f5 6.e3–+) 6.Bg2 (6.c3 Bb7 7.e3 a5+=) 6...0–0 (6...Bb4 7.a4–/+) 7.h4 (7.c3 a5–/+) 7...Nc6 8.Nh3 Bg3 9.Nf2 Nb4 10.Rf1 (10.f4 Rb8–+) 10...Bh4 11.Rh1 Bg3 12.Rh3 Be5 (12...Bf2 13.Kf2 Re8 14.c3–+) 13.c3 Nc6 14.Ne4 (better is 14.a4 ba4 15.Qa4–+) 14...Ne7?? (better is 14...d5!? 15.Nf2 Re8–+) 15.d4? (better is 15.f4!? d5 16.fe5+=) 15...Bf4 16.Kf2? (16.e3 Be3 17.Nf6 gf6 18.f4 Bf2 19.Kf2+=) 16...c6 17.Rh7?? (17.Qh1 h6 18.e3=) 17...Nd5 (better is 17...Kh7 18.e3 Bh6–+) 18.Qh1+= Be3 19.Kf1 g6?? (better is 19...Bh6 20.Rh6 gh6 21.Qh6 Re8+=) 20.Rh8 Kg7 21.Qh7 1–0. jmcauley (1800) – samantho (1905), net–chess.com, 2013.

3.Nf3 a6 4.e3 e6 5.c4 bc4 6.a3 d5 7.Nc3 c6 8.d4 Bd6 9.Be2 Nbd7 10.h3 0–0 11.0–0 Bb7 12.Re1 Qc7 13.e4 de4 14.Ne4?? (better is 14.Nd2+=) 14...Ne4–+ 15.Bc4 Nef6 16.Rc1 Nb6 17.Bb3 Rac8 (17...a5 18.b5 Bf4 19.Rc5–+) 18.d5 (18.Ne5 Nbd5–+) 18...ed5 (better is 18...Nbd5!? 19.Bd5 Nd5 20.Qd4–+) 19.Bf6 gf6 20.Qd4 Nd7 (20...Bf4!? 21.Rcd1–+) 21.Qg4 Kh8 22.Bd5 Ne5 (22...c5 23.Bb7 Qb7 24.Rcd1–+) 23.Ne5 (23.Qf5!? Qd8 24.Be4 Nf3 25.Qf3–/+) 23...Be5 24.Be4 Rg8 25.Qf5 Rg7 26.h4 Rcg8 27.h5 h6 28.Rf1? (28.Qh3 a5–+) 28...Qd6 (28...c5 29.Rfd1 Rg2 30.Kf1 Be4 31.Qe4 Rf2 32.Kf2 Bd4 33.Rd4 Qh2 34.Ke3 Rg3 35.Qf3 cd4 36.Ke4 Qh4 37.Kd5 Rf3 38.Rc8 Kg7 39.Kc6 Rc3 40.Kb7 Qe4 41.Ka6 Qe6 42.Ka5 Ra3 43.Kb5 Qa6 44.Kc5 Rc3 45.Kd5 Qe6 46.Kd4 Qe5) 29.Rcd1 Qe6 30.Qf3 (30.g3–+) 30...Rg2 31.Qg2 Rg2 32.Bg2 Qg4 33.Rd8 Kg7 34.Re1 c5 (34...c5 35.f3 Bf3–+) 0–1. alcman – Fournier,Frederic, Active, 2009.

3.Nf3 Nc6 4.e3 d6 5.Bb5+/– Bd7 6.Bf6 ef6 (6...gf6!? 7.Nc3 Rg8 8.Bc6 Bc6+/–) 7.Bc6+/– Bc6 8.Nc3 Be7 9.0–0 f5 (9...Bb7 10.Nd4+/–) 10.Nd4+– Bd7 11.Qf3 Bf6 12.Nf5 Rg8? (better is 12...0–0+–) 13.Nd4 a6 (13...Kf8 14.Rab1+–) 14.Nd5 Bb5 (14...c5 15.bc5 dc5+–) 15.Nc7! Qc7 (15...Kd7 16.Na8 Qa8 17.Qh5 Bd4 18.ed4 Bf1 19.Qf7 Kc6 20.Rf1+–) 16.Qa8 Qd8 17.Qe4 Kf8 18.Rfb1 g6 (18...Ba4 19.Qb7+–) 19.a4 Ba4 (19...Bd7+–) 20.Ra4 Qe8 (20...d5 21.Qd3 Kg7 22.Ra6+–) 21.Qe8 Ke8 22.Ra6 Ke7 23.Ra7 Ke8 24.Ra8 Ke7 25.Rg8 g5 26.Ra1 d5 27.Ra7 Kd6 28.Ra6 Ke7 29.Nf5 Kd7 30.Rf8 Be7 31.Rf7 Ke8 32.Re7 Kf8 33.Ra8 1–0. pierre – texazaxik, internet, 2010.

3.Nf3 d6 4.e3 e5 5.Bb5+/– c6 (5...Bd7 6.Bd7 Nbd7 7.Nc3 d5 8.a3 Bd6 9.0–0 0–0 10.Qe2) 6.Be2 Be6 (6...Nbd7 7.Nc3 Be7 8.0–0 0–0 9.Rb1 Rb8 10.a3) 7.0–0 (7.Nc3 Qb6 8.a3 h6 9.0–0 Nbd7 10.d4) 7...Nbd7 (7...Qb6 8.Nc3 Be7 9.Ng5 Nbd7 10.a3) 8.c4 (8.Ng5 Rb8 9.a3 Be7 10.Ne6) 8...e4 (8...Rb8!? 9.a3 (9.b5 h6 10.Nc3) 9...a5+/– (9...h6 10.d4) 10.b5; 8...Qb6 9.b5 cb5 10.cb5) 9.Nd4+– (9.Ng5 Rb8 10.b5) 9...d5 (9...Qb6 10.Qa4) 10.Nc3 dc4 11.Ne6 fe6 12.Bc4 (12.a3 a5+/–) 12...Ne5 (12...Bb4 13.Qa4 Qb6 14.Qc2+/– (worse is 14.Be6 Nc5 15.Qc2 Ne6+=)) 13.Be6 Nd3 14.Rb1 Nb2 (14...Bb4 15.Ne4! Ne4 16.Bg7+–) 15.Rb2 Qd6 (15...Bd6 16.h3+–) 16.Qb3 Rb8 17.a3 Nd5 (17...Nd5 18.Nd5 cd5 19.Bd5 Qe5+–). marcosramospg – valerypavlovich (2105), net–chess.com, 2010.

3.f4 Nc6 4.e3 (4.a3 e6=) 4...Nb4 5.a3 Nbd5 6.Bb5 (6.e4 Nb6+= (worse is 6...Ne4 7.Qf3+/–)) 6...Rb8+= 7.Bf6 ef6 (7...Nf6 8.Nc3+=) 8.Bc4 (8.Be2 f5+=) 8...Nb6+= 9.Bb3 (9.Be2+=) 9...Bc5 (better is 9...c5!?+=) 10.Bf7+= Kf7 11.Qh5 g6 12.Qc5 a6 (12...d6 13.Qa5+=) 13.Nf3+/– Re8 (13...d6 14.Qa5+/–) 14.0–0 (14.f5 d6 15.fg6 hg6+/–) 14...c6 (14...d6!? 15.Qc3 Kg8+=) 15.f5 (better is 15.Qd6 Bb7 16.Nc3+/–) 15...Re7? (better is 15...g5+/–) 16.Qd6 Ra8 (16...Bb7 17.fg6 Kg8 18.Qf6 hg6 19.Qg6 Rg7 20.Qd6+–) 17.fg6 hg6 18.Ng5 Kf8 (18...Kg8 19.Rf6 Rg7+–) 19.Qf6 (19.Qf6 Kg8 20.Nf7 Rf7 21.Qf7 Kh8 22.Qg6 Qe8 23.Qe8 Kg7 24.Rf7 Kh6 25.Qg8 d6 26.Rh7) 1–0. Wall,Bill – Sagebrushlady, internet, 2005.

3.a3 Bb7

4.d4 e6 5.Nd2 d5 6.Ngf3 Bd6 7.e3 a6 8.Bd3 h6 9.0–0 h5 10.Nb3 Nc6 11.Re1 h4 12.Nc5 Bc8 (12...Bc5 13.dc5 h3 14.g3+=) 13.e4 (13.Ne5 Bc5 14.Nc6 Qd6+/–) 13...de4 14.Ne4 Ne4? (better is 14...h3!? 15.Nf6 Qf6=) 15.Be4+– (15.Re4?! Kf8+/–) 15...Bb7 16.Qe2 Qb8 (16...h3!? 17.c4 Qb8+–) 17.d5+– Ne5?? (17...ed5 18.Bd5 Ne7 19.Bg7 Rg8 20.Bb7 Qb7+–) 18.Ne5 Be5 19.Be5 f6 (19...Kf8 20.de6 Be4 21.Qe4+–) 20.Bg6 Kf8 (20...Kd7 21.de6 Kc8+–) 21.Bd6 cd6 22.Qe6 Qc7 (22...Bd5 23.Qd5 Qa7 24.Qd6 Kg8 25.Qe6 Kf8 26.Qe8 Re8 27.Re8) 23.Qe8!! 1–0. capa1 (1685) – pittol, gameknot.com, 2014.

4.Nf3 a5 5.e3 =.

4.Nf3 Nc6 5.e3+= d5? (better is 5...a6!?+=) 6.Bb5+– e6? (better is 6...a5+–) 7.Ne5 Bd6 (7...Qd6 8.c4 dc4 9.Qa4+– (9.Nc4?! Qd5 10.Qe2 Qg2+=)) 8.Nc6 (8.Nc6 Qd7 9.Nd4+–) 1–0. Wall,Bill – IplayChess, internet, 2001.

3.a4 ba4

4.Ra4 Bb7 5.Nf3 e6 6.e3 Bc6 (6...Nd5 7.b5 a6 8.Nc3 Nb6 9.Ra1 Be7 10.Bd3 ab5; better is 6...Nc6!? 7.c3 Nd5+=) 7.b5+/– Be4 1–0. rcm06 (2170) – toffie62 (1850), gameknot.com, 2014.

4.Ra4 d5 5.e3 Bd7 6.b5 a6 7.Nf3 c5 8.c4 Bg4 (better is 8...e6!?+=) 9.cd5+/– Nd5?? (better is 9...Bd7+/–) 10.Rg4+– Nf6 (10...h5 11.Ra4 e6 12.ba6+–) 11.Bf6 ef6 12.Qc2 g6 (12...Ra7 13.ba6 Qb6+–) 13.Qe4 (13.Qe4 Be7 14.Qa8 ab5 15.Bb5 Kf8 16.Nc3+–) 1–0. pcmvr (2225) – hsingletary (2155), net–chess.com, 2006.

4.Ra4 d5 5.e3 e6 6.Nf3 Bd7 7.b5 a6 (7...c6!? 8.Nc3 Bd6=) 8.Ne5+= c5 9.c4 Bd6 10.cd5 ed5 11.Nd7 (worse is 11.ba6 Ba4 12.Qa4 Kf8+=) 11...Qd7 (better is 11...Nbd7!? 12.Ra6 Ra6 13.ba6 0–0+=) 12.Bf6+– gf6 13.Nc3 Qb7? (better is 13...Be5+–) 14.Qf3 Be7 (14...Be5 15.Nd5 Kf8 16.ba6+–) 15.ba6 Na6 16.Qd5 (16.Nd5?! Qb1 17.Qd1 Qb7+–) 16...Qd5 17.Nd5 1–0. FortKnox – Bossjos, playchess.de, 2005.

4.c4 Bb7 5.Nf3 e6 6.b5 c6 7.Nc3 a6 8.Ra4 ab5 9.Ra8 Ba8 10.cb5 cb5 11.Nb5 Bc6 12.e3 Be7 13.Nfd4 Bb7 14.Qc1 0–0? 15.Be2 (15.Qc7 Qc7 16.Nc7 Rc8+=) 15...Nc6 (15...Bg2!? 16.Rg1 Bb7–/+) 16.Nc6 Bc6 17.Nd4 (better is 17.0–0!?+=) 17...Bg2–/+ 18.Rg1 Bh3 (18...Bd5 19.Nb5–/+) 19.Nf3 (19.Rg3 Bf5+=) 19...g6 20.Ng5 Bf5 21.e4? (better is 21.Nf3!?–/+) 21...Ne4–+ 22.Ne4 Be4 23.Qc3 f6 24.h4 Bf5 25.h5 Kg7 26.hg6 hg6 27.Bh5? (27.Bd3 Qa8–+) 27...Rh8 (27...Qb8 28.Bd1–+) 28.Bg6? (better is 28.Bg4–+) 28...Bg6 29.Rg6 (29.Qg3 Qe8 30.Bd4–+) 29...Kg6 30.Qg3 Kf7 0–1. Ducato – Fournier,Frederic, Partie evaluee, 5m + 0s, 2007.

4.c4 e6 5.Qa4 Bb7 6.Nc3 Be7 7.Nf3 0–0? 8.e3 a6 9.d4 d6 10.Rd1 Nbd7 11.c5 c6 12.Bd3 a5 13.cd6 Bd6 14.b5 Qb6 15.Nd2 Bb4 16.0–0? c5 17.Nc4 Qc7 18.Qc2 (18.Ne2 cd4 19.Bd4 e5=) 18...cd4+= 19.ed4 Qf4 20.Ne2 Qg4 21.f3 Qg5 22.Ne5 Rfc8 23.Qb3 Ne5 24.de5 Nd5 25.Be4 Rc7 (better is 25...Bc5!? 26.Bd4 Qe5 27.Bc5 Rc5–/+) 26.Bd4= Rac8 27.Qd3 h5 28.f4 Qd8 29.f5 Bc5 30.Qh3 Qg5 31.fe6 Bd4 32.Nd4 Qe3 33.Qe3 Ne3 34.Bb7 Rb7 35.ef7 Rf7 ½–½. Robeson,Christian – Fournier,Frederic, Train France, 2000.

4.c4 e6 5.Qa4 Bb7 6.Nf3 c5 7.b5 Qb6 8.Nc3 Be7 9.Qc2 0–0? 10.Na4 Qc7 11.d3 d5 12.Be5 Qa5 13.Bc3 Qd8 14.Be5 Nbd7 15.g3? (better is 15.Bb2!?+=) 15...Ne5 16.Ne5 dc4 17.f3 Qa5 18.Kf2 Qb5 19.Rb1 cd3 (19...Qa6 20.Qc4 Bd6 21.Qa6 Ba6–/+) 20.Nd3?? (better is 20.ed3 Qa6 21.d4=) 20...Qc6–+ 21.Nac5 Rfc8 (21...Rfc8 22.Qc1 Bc5 23.Nc5 Rab8–+ (worse is 23...Qc5 24.Qc5 Rc5 25.Rb7–/+)) 0–1. Robeson Christian – Fournier,Frederic, Train France, 1999.

4.c4 e6 5.Ra4 Bb7 6.e3 a6 7.Nf3 Nc6 8.c5 Be7 9.d4 0–0 10.Bd3 Nd5 11.Ba3 f5 12.0–0 Qe8 13.Bc4 Nd8 14.Qb3 d6 15.Nbd2 Qg6 16.Rc1 h5 17.Ra5 h4 18.h3 Nf7 19.Bd3 1–0. Bonetti,Shane M (1930) – Fournier,Frederic (2095), Cup XX–years Chess Club MDK Malbork Poland, 2003.

4.c4 e6 5.Ra4 Be7 6.d4 (6.e4 d6= (6...Ne4 7.Qg4 Nf6 8.Qg7 Rg8 9.Qh6 Rg6 10.Qe3 Bb7) A) 7.Nf3 0–0 8.Nc3 c5 9.b5 Bb7 10.Bd3 a6; B) 7.Bd3 0–0 (7...Bd7 8.b5 a6 9.Nf3 0–0 10.0–0 c6) 8.Ne2 Bd7 9.b5 a6 10.0–0 c6; C) 7.Nc3 c5 8.bc5 dc5 9.e5 Nfd7 10.Qf3 Nb6; 6.e3 d5 A) 7.Nf3 Bd7 8.cd5 ed5 9.b5 c5 10.Ne5 Bf5; B) 7.Qf3 Bd7 (7...c6 8.Qg3 0–0 9.Be5 Nh5 10.Qh3 Nd7; 7...Bb7 8.c5 Qd7 9.Nc3 Ne4 10.Ra3 Bf6) 8.b5 c6 9.Be5 a5 10.Nc3 0–0; C) 7.Bf6 Bf6 8.d4 Bd7 9.Ra2 Qe7 10.Qd2 Nc6; 6.Nf3 A) 6...0–0 7.e3 d5 (7...Bb7 8.Bf6 Bf6 9.d4 d6 10.Bd3 c5) 8.Bf6 Bf6 9.d4 Bd7 10.b5 c6; B) 6...Bb7 7.e3 0–0 8.Bf6 Bf6 9.d4 d6 10.Bd3 c5; C) 6...d5 7.e3 (7.Ne5 Bb7 8.cd5 Qd5 9.Ra5 Qd6 10.Qa4 Nbd7) 7...Bd7 8.cd5 ed5 9.b5 c5 10.Bf6 Bf6) 6...0–0 (6...d5 A) 7.e3 dc4 (7...Bd7 8.b5 dc4 9.Bc4 c6 10.Nc3 cb5) 8.Bc4 Nbd7 9.Bc3 Nb6 10.Bb5 Bd7; B) 7.c5 Bd7 8.Ra3 a6 9.e3 Nc6 10.Qb3 Qb8) 7.Nf3 (7.e3 d5= (7...Bb7 8.Nf3 a6 9.Ba3 Bc6 10.Ra5 Bf3) 8.c5 Ne4 9.Nd2 f5 0.Ngf3 Bf6; 7.Nc3 d5 (7...Bb7 8.e3 Nc6 9.Qb3 a6 10.f3 Qb8) 8.c5 a6 9.Nf3 Bd7 0.b5 Ne4) 7...c6 (7...d5 8.e3= (8.c5 Bd7 9.Ra1 a6 10.e3 Nc6) 8...dc4 9.Bc4 Nbd7 10.Qb3 Nb6; 7...Bb7 8.e3 a6 9.Bd3 Bc6 10.b5 ab5) 8.e3+= Bb7 (8...a5 9.ba5 Ra5 10.Bd3 d5) 9.Nc3 (9.Bd3 a5 10.ba5 Ra5) 9...Qc7 (9...a5 10.c5= (10.Ra5 Ra5) 10...ab4) 10.e4 (10.Qa1 a6+=) 10...g6 (10...d5!? 11.e5 Nfd7+=) 11.e5 Ne8 12.Bd3 d5 13.0–0 (13.c5 a5+/–) 13...a6 (13...dc4!? 14.Bc4 Nd7+=) 14.c5 Nd7 15.Bc1 ½–½. Woschkat,Karl_Heinz – Mueller,Bernd, THT (year?).

4.c4 e6 5.Ra4 g6 6.e3 (better is 6.e4 Bb7 A) 7.d3 Bg7 (7...a6 8.Qd2 d6 9.Be2 c5 10.Nf3 Bc6; 7...d6 8.Nf3 Bg7 9.Be2 c5 10.Nc3 Nbd7) 8.Nf3 d6 9.Be2 c5 10.0–0 Nbd7; B) 7.e5+/– Nh5 8.Nf3 Bg7 9.d4 f6 10.Nbd2 0–0) 6...c5?? (better is 6...Bb7+= A) 7.d4 a6 8.c5 Bg7 9.Nf3 Bc6 10.Ra5 0–0; B) 7.Nf3 a6 (7...c5 8.Na3 d6 9.Nb5 Nbd7 10.bc5 Nc5; 7...Nc6 8.Bc3 a6 9.Be2 Bg7 10.0–0 0–0) 8.Bc3 Bg7 9.d4 0–0 10.Be2 d6; C) 7.Na3 a6 (7...Bc6 8.b5 Bb7 9.Qa1 Be7 10.Nc2 a6; 7...Bg7 8.Nf3 d6 9.d4 0–0 10.Bd3 c5) 8.Nf3 Be7 9.Be2 0–0 10.Nc2 c5; D) 7.Nc3 a6 8.c5 Bg7 9.Nf3 0–0 10.d4 Bc6) 7.Qf3+– d5 8.Bf6 (worse is 8.Qf6 Qf6 9.Bf6 Rg8 10.bc5 Nd7+–) 8...Be7 (8...Qd7 9.b5 Rg8+–) 9.Bh8 Bd7 (9...cb4 10.d4+–) 10.b5 a6 (10...Bc8 11.Nc3 Bb7 12.cd5+–) 11.Nc3 Qb6 12.Be5 Qb7 (12...Bd6 13.Bd6 Qd6 14.cd5+–) 13.cd5 ed5 14.Bc4! Be6 (14...dc4 15.Qe4 (15.Qb7)) 15.Bd5 Bd5 16.Nd5 Bg5 17.Nc7 (17.Nc7 Qc7 18.Bc7+–) 1–0. Luzuriaga,Norberto Horacio – Nagel,Joseph, Tiger SC, 1999.

4.e3 a3 5.Na3 (5.Ra3 A) 5...e5 6.Ra4 d6 7.d4 Bd7 8.b5+=; B) 5...d5 6.c4 (6.Qf3 e6 7.Bf6 Qf6 8.Qf6=; 6.Nf3 e6 7.Ra4 c5 8.b5=; 6.Be5 Nfd7 7.Nf3 Ne5 8.Ne5=; 6.Bd4 e5 7.Ra7 Bg4 8.Be2=) 6...e6 7.Nf3 dc4 8.Bc4=; C) 5...e6 6.Ra4 (6.Qf3 d5 7.Bf6 Qf6 8.Qf6=; 6.Rb3 Nc6 7.Bc3 a5 8.ba5=; 6.Bc3 Bb7 7.Nf3 Ne4 8.Bd3=) 6...Bb7 7.Nc3 a6 8.Nf3=; D) 5...Bb7 6.Nf3 (6.Ra4 Nd5 7.Nc3 Nb6 8.Ra2=; 6.Rb3 e6 7.Nf3 Be7 8.Be2=; 6.c3 e6 7.Nf3 c5 8.Ra4=) 6...e6 7.Ra4 Nd5 8.c3=) 5...Bb7 (5...e6 6.Bf6 gf6 7.c3 Bb7 8.Nc4+=) 6.Nc4 (6.b5 a6 7.Nf3 e6 8.Bc4=; 6.Rb1 e6 7.Nf3 Be7 8.Be2=; 6.Nf3 e6 7.Rb1 Be7 8.Be2=; 6.Ne2 e6 7.Rb1 Be7 8.Nf4=) 6...e6 7.Na5 Bd5 8.c4 +=.

4.e3 Bb7 5.Ra4 e6 6.Nc3 a6 7.Nf3 c5 8.b5 Qb6 9.Ra2 Bd6 10.Bc4 Be7 11.Na4 Qc7 12.b6 Qc6 =.

4.e3 Bb7 5.Ra4 e6 6.Nf3 Nd5 7.b5 a5 8.Bd3 Nb6 9.Ra1 f6 10.Nh4 g6 =.

4.e3 Bb7 5.Nf3 Nd5 6.Ra4 e6 7.b5 a6 8.ba6 Na6 9.Bb5 Be7 10.0–0 0–0 11.Qe2 Nc5 12.Ra8 Qa8 =.

4.e3 Bb7 5.Nf3 e6 6.Ra4 Nd5 7.b5 a6 8.Nc3 Nb6 9.Ra1 Be7 10.Bd3 ab5 =.

4.e3 Nd5 5.Qf3 c6 6.Ra4 e6 7.c3 c5 8.bc5 Bc5 9.Ra2 Qb6 10.Qg4 Bf8 11.Qd1 e5 12.Nf3 Nc6 =.

4.e3 e5 5.Ra4 Qe7 (5...d6 6.d4 Bd7 7.b5 c6 8.c4+=; 5...e4 6.b5 (6.Bf6 Qf6 7.Nc3 Bb7 8.b5=; 6.d3 Ba6 7.Nc3 ed3 8.Bd3+=; 6.Nc3 Bb7 7.Nh3 c5 8.b5+=; 6.Na3 d5 7.Qa1 c5 8.Be5=) 6...d5 7.c4 c6 8.bc6+=) 6.Nf3 e4 7.Nd4 d5 8.Be2 +=.

4.e3 e5 5.Be5 Bb4 6.Qf3 =.

4.Ra4 e6

5.Nf3 a6 6.e3 Bb7 7.Be2 Be7 8.Bf6 Bf6 9.d4 0–0 10.0–0 d6 11.c3 Nd7 12.Bd3 Nb6 13.Ra5 Nd5 14.Qc2 g6 15.Qa2 Qc8 16.Qd2 Bg7 17.Qb2 c6 18.Nbd2 Re8 19.Rfa1 Nb6 20.Qc2 c5 (20...Nd5!?+/–) 21.bc5+– dc5 22.Rc5 Qd7 23.Rb1 Nd5 24.c4 Nf6 25.Ne5 (25.Ne5 Qe7 26.Nb3+–) 1–0. pcmvr (2225) – purplepeace (2265), net–chess.com, 2006.

5.e3 Bb7

6.Nf3 d5

7.Bb5 c6 8.Be2 Nbd7 9.Ba3 Bd6 10.0–0 0–0 11.d4 Qe7.

7.d4 Bd6 (7...Nbd7 A) 8.c3 Bd6 (8...Nb6 9.Ra2 Bd6 10.Nbd2 Nbd7 11.Bd3 Qb8) 9.Bd3 e5 10.de5 Ne5 11.Ne5 Be5; B) 8.Bc3 Nb6 (8...Ne4 9.b5 Bd6 10.Bd3 c6 11.Ba5 Nb6) 9.Ra2 Ne4 10.b5 Bd6 11.Bd3 0–0; C) 8.Ba3 a5 9.c3 ab4 10.cb4 Ne4 11.Bd3 Ra4) 8.Nbd2 (8.Bd3 Nbd7 (8...0–0 9.Nbd2 Nbd7 10.c3 Ne4 11.0–0 Nb6) 9.c3 0–0 10.Nbd2 Nb6 11.Ra2 Ne4; 8.Ba3 Nfd7 (8...Nbd7 9.b5 c5 10.dc5 Nc5 11.Bc5 Bc5) 9.b5 c5 10.dc5 Nc5 11.Bc5 Bc5) 8...0–0 (8...Nbd7 9.b5 c6 10.Qa1 Qb6 11.c4 cb5) 9.Qa1 Nbd7 10.Be2 (10.b5 c6= 11.c4 Bb8) 10...Nb6 11.Ra7. Fekete,Albert – Fournier,Frederic, corr ICCF, 2002.

7.Be2 c5 A) 8.Bb5 Nbd7 (8...Bc6 9.Bc6 Nc6 10.b5 Nb8 11.0–0 Bd6) 9.bc5 a6 10.Bd7 Qd7 11.Rf4 Bc5; B) 8.b5 Bd6 (8...Qb6 9.Na3 Be7 10.0–0 0–0 11.Qa1 a6; 8...Be7 9.Nc3 Qb6 10.0–0 0–0 11.Ra2 Nbd7) 9.Nc3 e5 10.d4 cd4 11.ed4 e4.

7.Be2 Bd6 8.Na3 a6 9.0–0 Nbd7 10.c4 c5 11.cd5 ed5 12.bc5 Bc5 13.Qb1 Rb8 14.Qa1 (14.Ba6 Bc6 15.Nb5 Bb5 16.Bb5 Rb5 17.Bf6 Qb6= (worse is 17...Rb1 18.Bd8 Rb2 19.Ba5+/–)) 14...0–0 15.Ba6 Bc6 16.Bf6 Nf6 17.Rf4 Bd6 18.Nd4 Ba8 (better is 18...Bd7 19.Rf6 Qf6–+) 19.Rh4 Ne4 20.Nf5 Qg5 21.Re4 Qf5 22.Rh4 d4 23.Nc4 Bg2 24.Kg2 (24.Nd6? Qg6 25.Nf5 Bf1 26.Kf1 Qf5 27.Qd4 Rfd8–+) 24...Qg5 25.Kh3 Qf5 ½–½. COMP Rex Chess 2 3 – Fournier,Frederic, France, 1994.

7.Be2 Bd6 8.Be5 Be5 9.Ne5 0–0 10.0–0 Nbd7 11.Nd7 Qd7.

7.Be2 Nbd7 8.b5 c6 (8...Nc5 9.Ra2 a5 10.0–0 Bd6 11.Nc3 0–0) 9.0–0 cb5 10.Bb5 a6 11.Bf6 gf6.

7.Ne5 A) 7...a6 A1) 8.Nd3 Bc6 (8...Bd6 9.Be5 Bc6 10.Ra3 Bb5 11.c3 0–0) 9.Ra1 Bb5 10.Bf6 Qf6 11.c3 Bd6; A2) 8.Bd4 Nc6 (8...Nbd7 9.Nd3 a5 10.c3 ab4 11.cb4 Bd6) 9.Nc6 Bc6 10.Ra6 Ra6 11.Ba6 Bb4; B) 7...Bd6 B1) 8.Bd4 Nbd7 (8...0–0 9.f4 Qe7 10.b5 c5 11.bc6 Nc6) 9.f4 0–0 10.b5 Ne4 11.Qg4 f5; B2) 8.Qf3 0–0 9.Na3 Qe7 10.Nb5 Bb4 11.Nd3 Bd6; B3) 8.Na3 a6 9.Qf3 Qe7 10.b5 0–0 11.Nec4 e5.

4.e3 d5

5.Ra4 Bd7 6.Ra1 e6 7.Ba3 e5 8.Nf3 =.

5.Ra4 Bd7 6.Ra2 e6 7.Ba3 e5 8.Nf3 =.

5.Ra4 Bd7 6.b5 c6 7.Na3 e6 8.Qf3 Ne4 9.Be2 Qc7 10.Re4 de4 11.Qe4 a6 12.ba6 Na6 +=.

5.Ra4 Bd7 6.b5 c6 7.bc6 Bc6 8.Ra2 =.

5.b5 a6 6.Ra4 e6 7.Nf3 Bd6 8.Be5 0–0 9.d4 Bb7 10.Nbd2 c5 11.bc6 Nc6 12.Bd6 Qd6 =.

5.c4 Bd7 6.Nf3 (6.Nc3 e6 7.b5 c6 8.Qa4=; 6.b5 c6 7.Qa4 e6 8.Qa5=; 6.Qf3 e6 7.b5 c6 8.Ra4=; 6.c5 e6 7.d4 Be7 8.Nc3=) 6...e6 7.b5 dc4 8.Bc4 =.

5.Be2 e6 6.Ra4 Bd7 7.b5 c6 8.bc6 Nc6 9.Nf3 e5 10.Ra6 Qc7 11.Na3 Rb8 12.Nb5 Qb7 =.

5.Nf3 Bd7 6.Ne5 (6.Nc3 e5 7.Ne5 Bb4 8.Nd7=; 6.b5 c6 7.Nc3 cb5 8.Nb5=; 6.Be5 e6 7.b5 c6 8.Nd4=; 6.Be2 e6 7.Ba3 Be7 8.0–0=) 6...e6 7.Nd7 Nbd7 8.Ra4 =.

5.Nf3 e6 6.Ra4 c5 7.b5 Bd6 8.Be2 a6 9.0–0 0–0 10.Na3 Nfd7 11.Qa1 f6 12.Nb1 Nb6 =.

5.Nf3 e6 6.Ra4 c5 7.b5 Bd6 8.Be5 Be5 9.Ne5 Nbd7 10.Nd7 Qd7 =.

4.e3 e6

5.Ra4 c5 6.Qf3 (6.b5 d5 7.Na3 Nbd7 8.Nf3=) 6...d5 7.b5 a6 8.Bf6 =.

5.Ra4 d5 6.Bd4 (6.Nf3 c5 7.b5 Bd6 8.Be5=; 6.Be2 Bd7 7.b5 c6 8.Bf6=; 6.Na3 c5 7.Bf6 Qf6 8.Nb5=) 6...Bd7 7.b5 a6 8.Nf3 =.

5.Ra4 Nd5 6.c3 (6.b5 a6 7.Nc3 Nb6 8.Ra1=; 6.Qg4 Bb7 7.b5 a6 8.Nc3=) 6...Bb7 7.Nf3 c5 8.bc5 =.

5.b5 a6 6.Nf3 (6.Ra4 Be7 7.Qf3 c6 8.Bd4=) 6...Bb7 7.Ra4 Be7 8.Nc3 =.

5.b5 Bb7 6.Ra4 (6.Nf3 a6 7.Ra4 Bc5 8.d4=) 6...a6 7.Nf3 Be7 8.Nc3 =.

5.b5 d5 6.Ra4 (6.Nf3 a6 7.Ra4 Bd6 8.Be5=; 6.c4 c6 7.Nf3 dc4 8.Bc4=; 6.Nc3 e5 7.Nf3 Bd6 8.Ra4=; 6.Be5 Nfd7 7.Nf3 Ne5 8.Ne5+=) 6...Bd6 7.Nf3 0–0 8.Be5 Bb7 9.d4 c6 10.Nbd2 cb5 11.Bb5 Bc6 12.c4 dc4 13.Bc6 Nc6 14.Rc4 Nb4 (14...Ne5? 15.de5 (15.Ne5?! Qa5=) 15...Be5 16.Ne5+–) 15.0–0 a5 16.Bf6 Qf6 17.Ne4 Qe7 18.Nd6 (18.Qa4 Rfb8=) 18...Qd6= 19.Qa4 Rfb8 (19...Nd5 20.Rc5+=) 20.Ne5 Qd8 (20...Nd5 21.Rc5=) 21.Ra1 ½–½. Haertig,Manfred – Fournier,Frederic, TT–06 TSC, 2003.

5.b5 Be7 6.Nc3 (6.Qf3 d5 7.Ra4 c6 8.Na3=; 6.Ra4 Bb7 7.Nc3 a6 8.Nf3=; 6.Nf3 a6 7.Ra4 Bb7 8.Nc3=; 6.Be2 a6 7.Ra4 0–0 8.Nf3=) 6...Bb7 7.Ra4 a6 8.Qa1 =.

5.Qf3 d5 6.Ra4 (6.Bf6 Qf6 7.Qf6 gf6 8.Ra4=) 6...Bd7 7.b5 Be7 8.Bd4 =.

5.Ra4 Bb7

6.Nc3 a6 7.Nf3 c5 8.b5 =.

6.Nc3 Nc6 7.b5 Ne5 +=.

6.Nf3 c5 7.b5 a6 8.Be2 (8.ba6 Na6 9.Bc4 Be7=) 8...Be7 (8...Bf3 9.Bf3 d5 10.c4+=) 9.0–0 0–0 10.Nc3 ab5 (10...Qb6 11.ba6 Qb2 12.ab7 Ra4 13.Na4 Qb7 14.c4=) 11.Ra8+= Ba8 12.Nb5 d5 13.Qa1 Nbd7 (13...Nc6 14.Rb1=) 14.Rb1 Bc6 15.Na7 (15.Qa6 Qa8 16.Nc7 Qa6 17.Ba6 Rb8+=) 15...Bb7 16.Ne5 Qc7 (16...Ne5 17.Be5 Qd7 18.Qc3=) 17.Nb5 Qc8 18.d3 Ne5 19.Be5 Qc6 20.Qb2 (20.Qc3 d4 21.Bf3 Qf3 22.gf3 dc3–+) 20...Qd7 (20...Ra8 21.c3=) 21.Nc7 Bc6 22.Na6 (22.Qc3 Rc8 23.Na6 c4=) 22...Ra8 23.Nb8 Qc8 (23...Qe8 24.Nc6 Qc6 25.Qb7+=) 24.Nc6 (24.c4 dc4 25.Nc6 Qc6+–) 24...Qc6= 25.c4 ½–½. Woelfelschneider,Peter – Fournier,Frederic, TT–06 TSC, 2003.

6.Nf3 Nc6 7.b5 Nb4 8.Be2 Bc5 9.Ba3 Qe7 10.d4 Bd6 11.c4 c5 12.Bb4 cb4 13.0–0 Bc7 14.Qb3 a5 15.ba6 Ra6 16.Rb4 Bc6 17.Nc3 0–0 18.d5 Ba5 19.Rb8 Bc3 20.dc6 Ba5 21.Nd4 1–0. Bendig Frank – Fournier,Frederic, corr B4/07/33, 2007.

6.Nf3 Nd5 7.c3 c5 8.bc5 =.

6.Nf3 Nd5 7.Bc3 =.

4.Nf3 e6

5.Ra4 Bb7 6.Nc3 c5 7.b5 d5 8.e3 Bd6 9.Be2 Nbd7 10.0–0 0–0 (10...e5) 11.d4 cd4 12.Qd4 e5 13.Qh4 Qc7 14.Rfa1 Qb6 ½–½. Ruhle Ernst Olaf (2095) – Fournier,Frederic (2215), ICCF TT6/02/2, 2002.

5.Ra4 Bb7 6.e3 Nc6 7.b5 a6?? (better is 7...Nb4+=) 8.bc6+– (8.bc6 Bc6 9.Ra6+–) 1–0. Frenzel,Lothar – Fournier,Frederic, corr B4/07/33, 2007.

5.Ra4 d5 6.e3 c5 7.b5 Bd6 8.Be5 a6 9.Be2 Be5 10.Ne5 Nfd7 11.Nd7 Bd7 12.c4 0–0 =.

5.Ra4 d5 6.e3 c5 7.b5 Bd6 8.Be5 Be5 9.Ne5 Nbd7 10.Nd7 Qd7 =.

5.Ra4 d5 6.e3 Bd7 7.b5 c5 8.Be5 Be7 (8...Bc8 9.Nc3 Nbd7 10.Bg3+/–) 9.Nc3 0–0 10.Qa1 a5 11.Be2 Ng4?? (better is 11...Bc8+/–) 12.Rg4+– f6 13.Bg3 e5 14.Ra4 e4 (14...Be6 15.e4 de4 16.Ne4+–) 15.Qa2 c4 (15...ef3 16.Qd5 Kh8 17.Qa8 fe2 18.Qa5+–) 16.Nd4 Qb6 (16...Bc5 17.Bc4! dc4 18.Qc4 Rf7 19.Qc5 Na6 20.ba6 Ba4 21.Na4 Ra6+–) 17.Nd5 (17.Nd5 Qd8 18.Rc4+–) 1–0. Valverde,Mario (2055) – Baer,Cy (1895), CiF, 2007.

5.b5 Bb7 6.Nc3 a6 7.Ra4 c6 8.ba6 Na6 9.e3 Nc5 10.Ra8 Qa8 11.Be2 Bd6 12.0–0 0–0 13.d4 Na4 14.Na4 Qa4 15.c4 Ra8 16.Qa4 Ra4 17.c5 Bc7 18.Bd3 Ba6 19.Ba6 Ra6 ½–½. Stummerer,Alfred – Fournier,Frederic, corr, 2007.

3.a4 c6

4.ab5 cb5 5.Na3 a6 6.Nb5 Qb6 7.e3 e6 (7...Qb7!? 8.Bf6 ef6+=) 8.Be5 d6 9.Bd4 Qc6 (better is 9...Qb7!? 10.Bf6 gf6+/–) 10.Na7+– Qb7 11.Nc8 Qc8 12.Bf6 gf6 13.Nf3 d5 14.c3 Bd6 15.Bd3 Qb7 16.0–0 Ke7 17.Qe2 e5 18.e4 Rc8 19.ed5 Qd5 (19...h6+–) 20.Be4 (20.Be4 Qc4 21.Qc4 Rc4 22.Ba8+–) 1–0. Fournier,Frederic (2470) – Emmanuel69 (1800), echecsemail.com, 2010.

4.ab5 cb5 5.Na3 Qb6 6.e3 Bb7 7.Nb5 a6 8.Na3 e6 9.Nc4 Qc7 10.Be5 d6 11.Bf6 gf6 12.Na5 Bc8 (12...Be4!?+/–) 13.Qf3+– d5 14.Qf6 Rg8 15.Qb2 Nc6 16.Nc6 Qc6 17.Nf3 Rb8 18.c3 Bd6 19.Nd4 Qb6 20.f4 Ke7 21.Qc2 Rg7 22.g3 h5 23.Be2 h4 24.gh4 f6 (24...Bb7 25.h5+–) 25.h5 Bb7 (25...f5+–) 26.h6 Rf7 27.Bh5 Rff8 (27...Rh8 28.Bf7 Kf7+–) 28.Qh7 (28.Qh7 Kd8 29.Ne6 Kc8 30.Nf8+–) 1–0. pcmvr – pushtiu (2195), net–chess.com, 2015.

4.ab5 cb5 5.Nc3 Qb6 6.e3 e6 (better is 6...Ba6!?+=) 7.Nb5+/– (7.Bb5?! Bb4 8.Qe2 a6=) 7...Bb4 8.Rb1 (better is 8.Be5!? Nd5 9.c4 Ne3 10.fe3+–) 8...Ne4+/– 9.Nf3 (9.Bg7?! Bd2 10.Ke2 Rg8=) 9...a5 (9...f6!?+/–) 10.Bg7+– Rg8 11.Bd4 Qd8 12.c3 Be7 13.d3 Nf6 14.Qa4 Nc6?? (better is 14...Ba6+–) 15.Bb6!! Rg4 (15...Qb6 16.Nd6) 16.e4 (16.Bd8?! Ra4 17.Nc7 Kd8 18.Na8 Nd5+/–) 16...Qb6 17.Nd6!! Bd6 18.Rb6 Kd8 19.h3 Rf4 20.Nd4 Nd4 21.Qd4 Bc7 22.g3 Nd5 23.Rb2 a4 24.gf4 a3 25.Ra2 Nc3 26.Qf6 Ke8 27.Rg1 d6 28.Rg7 Kd7 29.Rf7 +–. Klaus Behrmann – jartug, ChessWorld.net, 2003.

4.ab5 cb5 5.Nc3 e6 6.Nb5 Bb4 7.Bf6 (worse is 7.Na7 Ne4 8.Nf3 Bc5=) 7...gf6 8.c3 (worse is 8.Ra7 Ra7 9.Na7 Ba6+=) 8...Be7 9.Na7 Bc5 (9...Bb7!?+=) 10.Nc8+/– Ra1 11.Qa1 Qc8 12.e3 0–0 13.Nh3 Nc6 14.Be2 Qa8 15.Qd1 Rb8 16.0–0 Rb2 17.d4 Bd6 18.c4 Qa2 19.Bd3 Rd2 20.Qg4 Kf8 21.Rd1 Rd1 22.Qd1 Bb4 23.Qh5 Qa1 24.Bf1 Be7 (24...Qb1 25.Nf4+–) 25.Qh7 Ke8?! (25...Bd6 26.g3+–) 26.Nf4 (better is 26.Qh8 Bf8+–) 26...e5? (26...Bd6 27.Nd3 Ba3+–) 27.Qh8 Bf8 28.Nd5 ed4 29.Nf6 Ke7 30.Nh7 Qa8 31.ed4 Qb8 32.d5 Ne5 33.c5 Ng6 34.d6 (34.d6 Ke8 35.Nf6 Kd8 36.Qh3+–) 1–0. Taulien,Hans_Juergen (2350) – Pieleck,Rudi (1770), RSS7E–13 remoteschach.de, 2003.

4.ab5 e6 +=.

4.e3 e6 5.ab5 Bb4 6.c4 (6.Ra4 Qe7+=) 6...0–0 7.Nf3 d5 8.Nc3 (8.Bc3 Bd6=) 8...Bd7 (8...cb5 9.Nb5 Nc6 10.Bf6 Qf6 11.cd5 ed5 12.Nc7+=) 9.Ne5 cb5 10.Nd7 Nbd7 11.cb5 Qe7 (11...d4 12.ed4 Nb6 13.Be2=) 12.Be2 Rfc8 13.0–0 Nc5 14.f4 Nce4 15.Qe1 (15.Ne4 Ne4 16.d3 Nc3 17.Bc3 Bc3=) 15...Rab8 (15...Bc3 16.Bc3 Nc3 17.dc3+=) 16.g4 (16.Bd3!?=) 16...Nc3 (16...Bc3 17.Bc3 Nc3 18.dc3–/+) 17.Bc3 (17.dc3 Bc5 18.Qg3 Ne4–/+) 17...Bc3 18.dc3 Qc5 (18...Ne4 19.Rc1–/+) 19.Rf3 (19.Qg3 Ne4 20.Qh3 Nc3–/+) 19...Ng4 20.Qg3 Nf6 21.Kh1 (better is 21.f5!? Ne4 22.Qg4 Nc3 23.Bd3–+) 21...Ne4–+ 22.Qh4 Qc3 (22...Nc3 23.Bd3 f5 24.Rh3–/+) 23.Rg1 (23.Ra7 Qd2 24.Qe7 Rc1 25.Bf1 Rf8–+) 23...Qd2 24.Qh6 g6 (24...g6 25.Rg2 Rc1 26.Bf1 Qd1–+) 0–1. Mothes,Rainer – Fehr,Wolfgang, corr SOK–92–82, 1992.

4.e3 e6 5.c3 Ba6 6.Qf3 (6.Nf3 ba4 7.Ba6 Na6 8.Qa4 Nc7+=) 6...Qb6 (6...d5 7.d3=) 7.ab5+= Bb7 8.bc6 Nc6 9.Qd1 a5 10.b5 Ne5 11.d4 Nc4 12.Qb3 Bd5 (12...Nb2?! 13.Qb2 d5 14.Nf3=) 13.e4 Nd2 (13...Nb2? 14.ed5 Nd5 15.Qb2+–) 14.Qc2 (14.Nd2 Bb3) 14...Nde4 15.c4 (better is 15.f3!? Nd6 16.c4=) 15...Bb4–/+ 16.Kd1? (better is 16.Ke2 0–0 17.Qd3–/+) 16...Ng4–+ 17.Nh3 (17.cd5 Nef2 18.Kc1 Nh1–+) 17...Nef2!! 18.Qf2 (18.Nf2 Ne3) 18...Nf2 19.Nf2 Bb7 20.Nd3 Be7 21.Na3 Qc7 (21...Ba3 22.Ra3 d5 23.Ne5 dc4 24.Nc4–+) 22.c5 Bd5 23.Rc1 (23.Rb1 0–0–+) 23...Bb3 (23...0–0 24.Rb1–+) 24.Ke2 0–0 25.g3 (25.Kf2 Bd5–+) 25...Bg5 26.Rc3 Bd5 27.Rg1 d6 (27...Bf6 28.b6 Qd8 29.Rc2–+) 28.Nf4 (28.Bg2 Bf6 29.Bd5 ed5–+) 28...Bf4 (28...dc5 29.Nd5 ed5 30.Rc5 Qe7 31.Kd1–+) 29.gf4 dc5 30.dc5 f6 (30...Qf4?! 31.Rg7 Kh8 32.Rh3 Bc4 33.Nc4 Qc4 34.Ke1 Qe4 35.Be2–+) 31.Bc1 Qf7 (31...e5 32.Rg4–+) 32.Be3 (32.Ke1 Rfd8–+) 32...Qh5 33.Ke1 Rfd8 (33...Qh2 34.Bd3–+) 34.Rc2 Bb3 35.Be2 Qh4 (35...Qh4 36.Bf2 Qh2–+) 0–1. Grehl,Siegfried – Fehr,Wolfgang, corr SOK–92–78, 1992.

3.a4 e6

4.ab5 Bb4 5.c3 Be7 6.e3 Bb7 7.Nf3 a6 8.d4 0–0 9.Bd3 ab5 10.Ra8 Ba8 11.Bb5 d5 (11...Bc6 12.Bd3=) 12.0–0 c5 13.Nbd2 (13.dc5 Qc7=) 13...Nbd7 (13...Bc6 14.Bc6 Nc6 15.dc5=) 14.Qa4 (14.c4 Qc7=) 14...Qc7 15.Rb1 (15.Ra1 Nb6 16.Qa7 Bb7+=) 15...Rb8 (15...Nb6 16.Qa5=) 16.c4 (16.Ba3 Nb6 17.Qd1 Bb7=) 16...Bd6 (16...dc4 17.Nc4 Bf3 18.gf3 cd4 19.Bd4=) 17.cd5 (17.Ba3 Nb6 18.Qc2 Nc4 19.Nc4 dc4 20.dc5 Bh2 21.Nh2 Be4 22.Qc4 Bb1–+) 17...Bd5 18.Bd7 (18.Nc4 Bf3 19.Nd6 Ra8=) 18...Nd7 (18...Qd7!? 19.Qd7 Nd7 20.dc5 Bc5+=) 19.e4= Bc6 20.Qc2 cd4 21.Bd4 Rb1 ½–½. Mertens,Sylvia – Fournier,Frederic, T15–08.10 ETC, 2003.

4.ab5 Bb4 5.Bd4 Bb7 =.

4.ab5 Bb4 5.e4 d6 6.c3 Bc5 7.d4 Bb6 8.Nd2 Bb7 9.Bd3 0–0 10.Qe2 c6 11.Ngf3 cb5 12.Bb5 Nbd7 13.Ba3 Qc7 14.e5 de5 15.Bf8 (worse is 15.Ne5 Bg2 16.Rg1 Qc3–/+) 15...Rf8 16.0–0 (worse is 16.Ne5 Ne5 17.de5 A) 17...Bg2?! 18.Rg1 Nd5 19.Nc4 Nc3 20.Qg4 Nb5 21.Rg2+= (21.Qg2? g6 22.Rc1 Ba5 23.Kf1 Bd2–+); B) 17...Nd5–/+) 16...ed4 17.cd4 Nb8 18.Qe5 Qe7 19.Rfc1 Rd8 20.Rab1 h6 21.Qf4 Nd5 22.Qg3 Nb4 23.Qg4 N8c6 24.Rc4 Rd5 25.Ba4 e5 26.Qh4?? (better is 26.Qe4 f5 27.Qf5 Nd4 28.Rd4 ed4 29.Bb3+/–) 26...Qh4–/+ 27.Nh4 ed4 28.Rcb4 Nb4 29.Rb4 Ba6 30.Nhf3 d3 31.Bb3 (31.Bb3 Rc5 32.Bc4 Bc4 33.Rc4+=) 1–0. Bonetti,Shane M (1930) – Fournier,Frederic (2095), CO1–03 Corr, 2003.

4.ab5 Bb4 5.Nf3 Bb7 6.Ra4 a5 7.ba6 Na6 8.e3 Be7 9.Na3 (9.Be2 0–0=) 9...0–0 10.Nb5 (10.Bb5 Nc5 11.Ra8 Qa8+=) 10...d5 11.c4 (11.Be2 c6 12.Nc3 Qb6+=) 11...c6 12.Nc3 Qb6 13.Qb1 (13.Ba3 c5+=) 13…Rfb8 (13...Rfb8 14.Ne5 Nc5–/+) 0–1. Debrus,Raoul – Lorin,Fabrice, corr AJEC32, 1995.

4.Bc3 Nc6 5.ab5 Nb4 6.Bb4 (6.Bf6 Qf6 7.c3 Bb7 4.Bc3) 6...Bb4 7.Ra4 Qe7 8.c3 Bd6 9.Nf3 Bb7 10.e3 0–0 11.Bd3 Rfe8 12.Qc2 c6 13.Rh4 g6 14.bc6 Bc6 15.0–0 Bf3 16.gf3 Nd5 17.Be4?? (better is 17.Rg4–/+) 17...Qh4–+ 18.Bd5 (18.f4 Nf4! 19.ef4 Bf4 20.Re1–+) 18…Qh2 0–1. NN – Fournier,Frederic (2180), Active, 2006.

4.e3 Bb4 5.ab5 a6 =.

4.Nf3 Bb4 5.ab5 Bb7 6.e3 0–0 7.Ba3 a5 8.Bb4 ab4 9.Ra8 Ba8 10.c4 Qe7 11.Be2 Qd6 12.d4 Be4 13.Nbd2 Bf3 14.Nf3 c6 15.c5 Qd5 16.b6 d6 17.cd6 Qd6 18.Qc2 Nbd7 19.b7 Rb8 20.0–0 Rb7 21.Rb1 c5 22.h3 Qc7 23.Bc4 cd4 24.Nd4 Qc5 25.Rc1 Rc7 26.Nb3 Qd6 27.Nd4 Rc8 28.Ne6 (28.Qb2 Nd5–/+) 28...Rc4 (28...Ne5!? 29.Nc5 Kh8 30.Ba6–+) 29.Qc4–/+ fe6 (29...Qe6?! 30.Qb4 h6 31.Rc8 Kh7 32.Qb1 g6 33.Qb4=) 30.Rb1 Nd5 31.e4 Nc3 32.Rb2? (32.Qb4 Qd3 33.Rb2 Ne4–/+) 32...Kf7 (better is 32...Ne5 33.Qb3 Kh8–+) 33.Qb4+= Qd1 34.Kh2 Ne2 35.Rb1 Qd4 36.Qd4 Nd4 37.f3 e5 ½–½. Fournier,Frederic – Fournier,Jean_Noel, France, 1993.

3.Nc3 a5

4.a3 ab4 5.ab4N Ra1 6.Ba1 e6 7.Qb1 Nc6 8.Nb5 Nb4 9.Bf6 gf6 10.c3 Ba6 11.Nc7 Qc7 12.cb4 Bb4 13.g3 Bb7 14.Nf3 Bf3 15.ef3 Qd6 16.Qc2 Ke7 17.Bd3 h5 18.h4 f5 19.f4 Qc5 20.Qc5 Bc5 21.0–0 Rg8 22.Kg2 Bb4 23.Be2 Bd2 24.Bh5 Bf4 25.Rd1 Be5 26.Bf7? (better is 26.Be2–/+) 26...Kf7–+ 27.Rd7 Kf6 28.Rh7 (28.Kh3 Bb2–+) 28...f4 29.Rh6 Ke7 30.Rh5 Kd6 31.Rg5 Rg5 32.hg5 fg3 33.fg3 Kd5 (33...Ke7!? 34.Kf3–+) 34.Kf3 Bg7 35.Kg4 (35.Ke3 Bd4 36.Kf3 e5–+) 35...e5 (35...Kd4!? 36.Kh5 e5 37.Kg6–+) 36.Kf3 e4 37.Ke3 Bd4 38.Kf4 e3 (38...e3 39.Kf3 Ke6–+) 0–1. Jauneau,David – Fournier,Frederic, Active Game Senlis FRA, 1993.

4.d4 ab4–/+ 5.Nb1 e6 6.Nf3 Bb7 7.e3 c6 8.c4 bc4 9.Bc4 d5 10.Bd3 Bd6 11.0–0 Ba6 12.a3 ba3 13.Na3 Bd3 14.Qd3 Nbd7 15.Rfc1 Qb6 (15...Rb8!? 16.Rc6 Bh2 (16...Rb2?! 17.Rd6 Qc8 18.Ng5+=) 17.Nh2 Rb2–/+) 16.Nb5= Ke7 17.Nd6 Qb2 ½–½. Fournier,Jean_Noel – Fournier,Frederic, Active Game France, 1994.

4.Nb5 ab4

5.e3 c5 6.a3= e6 7.ab4 Ra1 8.Qa1 cb4 9.Qa8 Nc6 10.Nf3 Be7 11.Bd3 0–0 12.0–0 Qb6 13.Qa2 d5 14.Ra1 Bb7 15.Ng5 h6 16.Nh3 Ra8 17.Qb1 Ra1 18.Qa1 Ba6 19.Bf6 Bf6 20.Qf1? (better is 20.Qa4!?–/+) 20...Ne5–+ 21.Be2 Nc4! 22.Nd4 (22.Bc4 dc4) 22...Bd4 23.Bc4 dc4 24.ed4 Qd4 25.Qd1 (25.Qe1 b3 26.g3–+) 25...c3 26.Qa1 (26.d3 b3! 27.g3 Bd3 28.cd3–+) 26...Qd2 27.Qa6 Qc2 28.Kh1 (28.g4 Qd1 29.Kg2 Qg4 30.Kf1 Qd1 31.Kg2 c2 32.Qa8 Kh7 33.Qe4 f5–+) 28...Qd1 29.Ng1 c2 (29...c2 30.Qa8 Kh7 31.Qe4 f5–+) 0–1. COMP Arasan 1.3 – Fournier,Frederic, 1995.

5.e3 c5 6.Qf3 Nc6 (6...Ra5!?=) 7.Be5+/– Qa5 (7...Ne5 8.d4 Double attack (8.Qa8 Pinning; 8.Qa8 Deflection; 8.d4 Decoy)) 8.Nc7 (8.a3!?+/–) 8...Kd8= 9.Bf6 (worse is 9.Na8 Ne5 10.Qf4 d6–+) 9...Qc7 10.Bb2 f6 11.Bc4 Bb7 12.0–0–0?? (better is 12.Qh3=) 12...Ne5–+ 13.Qf4 Bg2 14.Ne2 Bh1 15.Rh1 Nc4 (better is 15...Qc6 16.Rg1 g5 17.Rg5 fg5 18.Qg5 Nc4 19.Bh8 Ra2–+) 16.Qc4 Qc6 17.Re1 (17.e4 e6–+) 17...d5 18.Qb3 e5 19.c4 bc3! 20.Bc3 (20.Bc3 c4 Combination; 20.Qc3 Ra2 Deflection; 20.dc3 c4 Combination; 20.Nc3 c4 Combination) 20...c4 (20...d4!? 21.Ba1 c4 22.Qb1 Ba3 23.Bb2–+) 21.Qc2 Qa4 22.Qa4 Ra4 23.Kb1 Kd7 24.Rg1 g6 25.f4 Bd6 26.fe5 Be5 (26...fe5!? 27.Rf1–+) 27.Be5 fe5 28.Nc3 Rb4 29.Kc2 d4 30.Nd5 Rb5 31.e4 (31.Nf6 Ke7 32.Ne4 Rhb8–+) 31...Rhb8 32.Rc1 Rb2 33.Kd1 Ra2 34.Rc4 Rbb2 35.Kc1 Rd2 36.Nb4 Rh2 37.Na2 Ra2 38.Rc2 (38.Rc5 Kd6 39.Rb5–+) 38...Rc2 39.Kc2 Kc6 (39...Kc6 40.Kd2 Kb5–+) 0–1. COMP Chessnet 2.0 – Fournier,Frederic, 1995.

5.e3 c6!? 6.Nd4 e5 +=.

5.e3 c6 6.Nd4 e6 7.Nb3 Be7 8.Ne2 0–0 9.Ng3 d5 10.Bd3 c5 11.Qf3 Nbd7 12.0–0 Bb7 13.Bb5 Qc7 14.Bd7 Nd7 (14...Qd7?! 15.Bf6 Bf6 16.Nc5=) 15.Nh5 g6 16.Nf6 Nf6 (16...Bf6!? 17.Bf6 c4–+) 17.Bf6+= Bf6 18.Qf6 c4 19.Nd4 Ra6 20.f4 Rfa8 21.Rab1 Ra2 22.Rb4 Ba6 23.Rfb1 c3 24.dc3 Qc3 (24...Qd8 25.Qe5+=) 25.Qe5 (better is 25.Rb8 Rb8 26.Rb8 Bc8 27.h3+–) 25...Ra1= 26.Rb8 Bc8 27.Kf2 Rb1 28.Rb1 Bd7 29.Rb7 Ba4 30.Rb8 Rb8 31.Qb8 Kg7 32.Ne6 fe6 33.Qa7 Kf6 34.Qa4 Qd2 35.Kf3 Qd1 36.Kg3 Qe1 37.Kf3 Qd1 38.Kg3 Qe1 39.Kf3 Qd1 40.Kg3 Qe1 ½–½. COMP Chessnet 3.0 – Fournier,Frederic, 1995.

5.e3 c6!? 6.Bf6 ef6+= (worse is 6...cb5 7.Bb2+=).

3.Nc3 a6

4.e3 e6 5.a4 Bb7 6.ab5 ab5 7.Nb5 (7.Bb5?? Ra1 8.Qa1 Bg2–+ (8...Bb4?! 9.f3=)) 7...Bb4 8.Ra8 Ba8 9.Qa1 Bc6 10.Bf6 Qf6 11.Nc7 Ke7 12.Qf6 Kf6 13.Nb5 Na6 14.Nd4 Bb7 15.Ngf3 Rc8 16.c3 Bc5 17.Be2 Nc7 18.0–0 Ra8 19.g4 h6 20.Nc2 Nd5 21.h4 d6 22.Nfd4 (22.Rb1 Ra7+/–) 22...g6 (22...e5!? 23.Rb1 ed4 24.cd4 Bb6+=) 23.f4 Kg7 24.g5 hg5 25.fg5 Ra2 26.Ra1 Ra1 27.Na1 Bd4 28.cd4 Nb4 29.Nb3 Bd5 30.Nc1 Na2 31.Nd3 Bc4 32.Nf4 Be2 33.Ne2 Nb4 34.Nf4 d5 35.Kg2 Nc6 36.Kf3 Na5 37.d3 Nb3 38.h5 gh5 39.Kg3 Nc1 40.Kh4 Nb3 41.Kh5 Na1 42.Kg4 Nc2 43.Kf3 Nb4 44.e4 de4 45.de4+– Nc2 46.d5 Nd4 47.Ke3 ed5? 48.ed5 Nf5 49.Ke4 Ne7?? 50.Ke5 Nd5 51.Kd5 f6 52.g6 Kg8 53.Ke6 Kg7 54.Kf5 Kg8 55.Kf6 Kf8 1–0. emulateur (1915) – Fournier,Frederic (1990), Echecs21, 2003.

4.e4 Nc6 5.d4 Nb4 6.a3 Nc6 7.e5 Ng8 8.Nf3 Bb7 9.Be2 e6 10.0–0 Be7 11.Bc1 h6 12.Ne4 (12.d5 ed5 13.Nd5 Bc5=) 12...Na7 (better is 12...Ne5!? 13.de5 Be4–/+) 13.Ng3 c5 14.c3 cd4 15.cd4 Rc8 16.Be3 Bd5 17.Nh5 Bf8 18.Nf4 Be4 19.Nd3 Rc3 20.a4 b4 21.Nc5 Bc5 22.dc5 Qc8 23.Qd6 Nc6 24.Nd2 Bf5 25.Nc4 Nge7 26.Nb6 Qd8 27.Ba6 0–0? (27...Be4 28.g4+=) 28.Rad1 (28.Nd7 Re8 29.Bd2 Rc2+/–) 28...Nd5? (28...Bc2!? 29.Nd7 Bd1 30.Rd1 Qa8 31.Nf8 Qa6=) 29.Nd5 ed5+/– 30.Qd5 Be6 31.Qe4 Qa5 32.Bb5 Rc8 33.f4 g6 34.Bd2 Rb3 35.Rb1 Rb1 36.Qb1 Bf5 37.Qa1 Be4 38.e6 de6 39.f5 Bf5 40.Bh6 e5 41.h3 f6?? 42.g4 Be4 43.Rf6 b3?? 44.Qf1 Qc3 45.Rf8 Rf8?? 46.Qf8 Kh7 47.Qg7 1–0. marmite (2265) – grahamtrue (2180), net–chess.com, 2011.

3.Nc3 e6

4.a3 a6 5.e4 Bb7 6.e5 Nd5 7.Nd5 Bd5 8.d4 (8.Ne2 Be7=) 8...Be7 (8...d6 9.Qg4=) 9.Nf3 (9.Nh3 a5=) 9...0–0 10.Rc1 (10.Bd3 f6=) 10...Nc6 (10...a5 11.c4 bc4 12.ba5 Ra5 13.Bc4 Bc4 14.Rc4 Ba3 15.Qd2+=) 11.c4 Bf3 (11...bc4 12.Bc4 Bc4 13.Rc4=) 12.Qf3+= Bg5 13.Rd1 bc4 (13...f6 14.Qh3 (worse is 14.cb5 fe5 15.Qe4 Rf4=) 14...Qe7 15.Bd3+=) 14.Bc4 d5 (14...Qe7 15.0–0 f6 16.Qe2 fe5 17.de5+/–) 15.ed6 Qd6 16.d5 Ne5 17.Qc3 Bf6 18.de6 Qe7 19.Ba2 (19.Bd5 c6 20.Bb3 Ng6+=) 19...Ng6 20.Qc2 Bb2 21.Qb2 Nf4 (21...fe6 22.0–0+=) 22.Qe5+/– Ne6 23.0–0 c5 24.bc5 (24.Be6 cb4 25.Rd7 Qe6 26.Qe6 fe6 27.ab4 Rab8=) 24...Qc5+= 25.Qc5 (25.Rfe1 Rfd8 26.Qe4 Rd1 27.Rd1 Re8=) 25...Nc5= 26.Rc1 (26.Rd2 Rfe8=) 26...Rfc8 27.Rfe1 (27.Bd5 Ra7=) 27...Nd3 28.Rc8 Rc8 29.Rd1 Nb2 (29...g5 30.h4 Nc1 31.Bb1 gh4 32.Rd6+=) 30.Rb1 Nd3 (30...Kf8 31.Kf1 Nd3 32.f3=) ½–½. Deneuville,Christian – Grillon,Jean Marie, AJEC TH6/02, 1996.

4.a3 a6 5.e4 Bb7 6.e5 Nd5 7.Ne4 Nb4!–/+ 8.Ng3 (8.ab4 Be4) 8...Nd5 9.Nf3 Be7 (9...Nc6 10.a4 ba4 11.Ra4–/+) 10.c4 Nf4 11.Qb3 g5 (11...Bc6 12.Rc1–/+) 12.Ne2 (12.Rg1 g4 13.Nd4 c6+=) 12...Ng2 (12...Ne2 13.Ke2 g4 14.Ne1–/+) 13.Bg2+= g4 14.Rg1 (14.a4 Bf3 15.Bf3 bc4=) 14...gf3 15.Bf3 Qc8 (15...Bc6 16.cb5 ab5 17.Nd4=) 16.cb5 (16.Rg7 h5=) 16...ab5 17.Bh5 Na6 (17...Bd5 18.Qb5 Nc6 19.Qd3=) 18.Rg7 Rf8 19.Qg3 (better is 19.Qb5 Nc5 20.Bd4= (20.Rh7?? Ba6 21.Qa5 Qb7–+)) 19...Be4 (better is 19...d6!?=) 20.Rf7!+/– Bg6 (20...Rf7 Deflection from g8 21.Qg8 A double attack) 21.Rh7 (better is 21.Rf8!? Bf8 22.Bg6 hg6 23.Qg6 Ke7 24.Qh7 Ke8 25.Nf4+/–) 21...Bh5+= 22.Rh5 Qb7 23.0–0–0 (better is 23.d3+=) 23...b4–/+ 24.ab4 (24.d4!?–/+) 24...Nb4 25.Qg6 (25.d4 Na2 26.Kb1 Rf2+=) 25...Kd8–+ 26.d4 Qc6 (26...Ra2!? 27.Rd2 Nd5–/+) 27.Kd2–/+ Ra2 (27...Ra2 28.Rb1 Qf3–+ (28...Rf2?! 29.Rh8 Bf8 30.h3+=); 27...Rf2 28.Rh8 Rf8 29.Rf8 Bf8 30.Rf1 Bh6 31.Qh6 Qc2 32.Ke3 Nd5 33.Kf2+–) 0–1. Deneuville,Christian – Le Roux,Frank, AJEC TH6/02, 1996.

4.a3 a6 5.e4 Bb7 6.e5 Nd5 7.Nf3!? =.

4.Nb5 a6 5.Bf6 gf6 =.

3.e3 a5

4.a3 Ba6 5.Nf3 Nc6 6.Nc3 Rb8 7.Na2 e6 8.ba5 Na5 9.a4 Nc4 10.Bf6 Qf6 11.ab5 Bb5 12.d4 Nb2 13.Qc1 (13.Qd2 Bf1 14.Rf1 d5+=) 13…Ba3 (13...Ba3 14.Bb5 c6+=) 0–1. Margraf – Fehr,Wolfgang, corr SOK–93–98, 1993.

4.a3 Bb7= 5.f3 (5.Bb5 Bg2 6.Bd7 Nbd7–+) 5...ab4 6.ab4 (6.Bb5 ba3 7.Ra3 Ra3 8.Na3 e5=) 6...Nc6 (6...Ra1 7.Ba1 e6 8.Bd4=) 7.Ra8 Qa8 (7...Ba8 8.Bb5 Nb4 9.Nh3=) 8.Nc3 (8.Bb5 Nb4 9.Ne2 c6=) 8...Nb4= 9.Nb5 Qa5 10.Nh3 Bc6 11.Na3 (11.Nd4 Bd5+=) 11...e5 12.Be2 d5 13.0–0 Bd6 (13...Na6 14.Nb1 Bd6 15.f4=) 14.Qa1 (14.f4 d4=) 14...0–0 15.c3 (15.f4 e4=) 15...Na6+= 16.Nb5 Qa1 17.Ba1 (17.Ra1 Bb5 18.Bb5 Rb8 19.Ra6 Rb5 20.Ra8 Bf8=) 17...Bb5 18.Bb5 Nc5 19.Rb1 Rb8 20.d4 Ncd7 21.Bd3 Ra8 (21...Rb1 22.Bb1 e4 23.Nf2 ef3 24.gf3=) 22.Nf2 (22.c4 Ra2=) 22...c5 23.c4 Ra3 (23...Ra2 24.cd5 ed4 25.ed4 cd4 26.Bd4 Nd5 27.Ne4=) 24.cd5= ed4 25.ed4 cd4 (25...Nd5!? 26.Be4 Ne3=) 26.Bd4+= Nd5 27.Bf5 N7f6 28.Ra1 (28.Ne4 Ne4 29.Be4 Nc3 30.Bc3 Rc3=) 28...Ra1= 29.Ba1 Ne3 30.Bb1 Nfd5 31.Ne4 Bc7 32.Bd4 h6 (32...Bb6 33.Nc5=) 33.h3 (33.Kf2 Bf4+=) 33...Ba5 (33...Bb6 34.Nc5=) 34.Kf2+= Nd1 35.Ke2 N1c3= ½–½. Dieng,M – Fehr,Wolfgang, corr SOK–92–82, 1992.

4.ba5 Ra5 5.Bc3 Ra8 6.Bb5 Ba6 7.a4 (7.Ba6 Na6 8.Bf6 ef6+/–) 7...Bb5 8.ab5 e6?? (better is 8...Ra1 9.Ba1 e6+/–) 9.Ra8+– 1–0. pcmvr (2870) – croach (2345), net–chess.com, 2008.

4.ba5 Ra5 5.Bc3+/– Ra8 6.Bb5 c6 7.Be2 Na6 (7...d6 8.Bf6 (8.f4 Be6 9.a4 Bd5) 8...ef6 9.Nf3+/– Be7; 7...d5 8.Nf3 Bg4 9.Bf6 ef6) 8.Ba6 (8.Nf3 d5+/– (8...d6 9.Bf6 gf6) 9.Ne5 Qd6) 8...Ba6 9.d3 e6 10.a3 Bd6 11.Nf3 0–0 12.0–0 Qc7 (12...Be7 13.a4+=) 13.h3 (13.Bf6!? gf6 14.c4+/–) 13...e5 14.e4 Rfe8 15.Re1 c5 (15...Bc5 16.Nbd2+=) 16.Qd2 Bb7 (16...c4 17.Bb4 cd3 18.cd3 Bb4 19.ab4+/– (19.Qb4?! Bd3 20.Qc3 Qc3 21.Nc3 Rac8+=)) 17.a4 h6 (17...c4 18.Na3 Ba3 19.Ra3+/–) 18.a5 Re6 19.Na3 Ba6 20.Reb1 Rb8 21.Rb8 Qb8 22.Qe1 (22.Rb1 Qc8+–) 22...Bc7 23.Nd2 (23.Rb1 Qa8+/–) 23...d5 24.ed5 Nd5 25.Ne4 (25.Nb3 Bd6 26.Bd2 Nf6+/–) 25...Rg6 (25...Qf8 26.Rd1+/–) 26.Bd2+/– Qc8 27.Kf1 Bd8 28.Ng3 Bh4 29.Qe5 (better is 29.Qe4 Bg3 30.fg3+/– (30.Qd5 Bb7 31.Qc4 Bg2 32.Ke2 Bf2–+)) 29...Qc6? (better is 29...Bf6 30.Qd5 Ba1+=) 30.c4 (30.Rb1 Bg3 31.fg3 Kh7+–) 30...Bf6 (30...Nb4 31.Bb4 cb4 32.Nc2 Bg3 33.fg3+–) 31.Qb8 (31.cd5?! Be5 32.dc6 Ba1=) 31...Kh7 32.cd5?? (32.Re1 Nc7+–) 32...Bd3?? (32...Qd5 33.Re1 Qd3 34.Kg1 Qd2= (worse is 34...Qa3 35.Re8 Rg3 36.fg3+/–)) 33.Kg1+– Qd5 34.Re1 Bd4 35.Re8 Rf6 36.Rh8 Kg6 37.Be3 Be5 38.Qc8 Bf5 39.Nf5 Qd1 0–1. Heidebreck,Sven – Tornier,Siegfried, HMM, 1999.

4.ba5 Ra5 5.Bc3+/– Ra8 6.Bf6 ef6 7.Bb5 c6 8.Be2 d5 9.Nf3 Bd6.

4.ba5 Ra5 5.Bc3+/– b4 6.Bb4 Ra8 (6...Ra7 7.Nf3 Nc6 8.Bc3 e6 9.Bb5 Bb7) 7.Nf3 d6 8.d4 Bf5 9.a4 e6.

4.ba5 c6 5.a4 b4 =.

4.ba5 c6 5.c4 Ra5 6.cb5 cb5 7.Bc3 +/–.

4.ba5 c6 5.c4 bc4 6.Bc4 d5 7.Be2 e6 8.Qc2 Ba6 (8...Bd6 9.Nf3=) 9.d3 Qa5 (9...Bb4 10.Bc3 Bc3 11.Qc3=) 10.Nd2 Nbd7 11.Ngf3 (11.Qc6?? Rc8 12.Qc8 Bc8–+) 11...Ba3 12.Rb1 (12.0–0 Bb2 13.Qb2 0–0=) 12...Bb2 (12...Bb5 13.0–0=) 13.Rb2 0–0 14.0–0 (worse is 14.Qc6 Rfc8 15.Qd6 Rc1 16.Bd1 Bd3–/+) 14...c5 15.Nb3 Qa3 16.Rfb1 Rfb8 17.Nc1 (17.h3 e5=) 17...Rb2 18.Qb2 (18.Rb2 e5=) 18...Qa4 (18...Qb2 19.Rb2 e5 20.Kf1+=) 19.Kf1 (19.Qc3 Re8=) 19...c4+= 20.Nd2 (20.dc4 Bc4 21.Bc4 dc4+=) 20...Rb8 (20...cd3 21.Nd3 Bd3 22.Bd3 Qa2 23.Qa2 Ra2 24.Ke2–/+) 21.Qa1 (21.Qb8 Nb8 22.Rb8 Ne8 23.dc4 Kf8–/+) 21...Rb1–/+ 22.Qb1 c3 23.Ndb3 Qa3 24.Qc2 Qb2 25.Bd1 (25.Bd1 Ne4 26.Ne2 Nd2 27.Nd2 Qc2 28.Bc2 cd2 29.Nc3+/–) 1–0. Le Roux,Frank – Ballan,Michel, AJEC TH6/02, 1996.

4.ba5 c6 5.c4 bc4 6.Bc4 d5 7.Be2 e6 8.Nf3 Bd6 9.d4 (9.0–0 0–0=) 9...Qa5 10.Bc3 Qa7 (10...Qd8 11.0–0=) 11.0–0 0–0 (11...Ba6 12.a4=) 12.Nbd2 (12.a4 Ba6=) 12...Nbd7 13.a4 Ba6 14.Ba6 (14.a5 Rfb8=) 14...Qa6+= 15.Qc2 (15.Ne5+=) 15...c5 (15...Rfc8!?+=) 16.dc5+= Nc5 17.Bf6 Nd3?? (better is 17...gf6 18.e4 Rfc8 19.ed5 Nd3+=) 18.Bc3+– Rfc8 19.Rfb1 Bb4 20.Rb3 (20.Rb4?! Nb4 21.Qb1 Nd3+/–) 20...e5 21.Rab1 (21.h3 Ba5+–) 21...e4 22.Ne1 (22.Rb4 Nb4 23.Rb4 Qc6+–) 22...Ne1 23.Re1 Qa4 24.Rc1 (24.Rc1 Bc3 25.Rc3 Qc2 26.R3c2 Rc2 27.Rc2 Ra1 28.Nf1+–) 1–0. Deneuville,Christian – Ballan,Michel, AJEC TH6/02, 1996.

4.Bb5 ab4 5.a3 ba3 6.Na3 e5 =.

4.Bb5 c6 5.Be2 ab4 6.d4 e6 7.Nf3 d5 8.c4 c5 9.dc5 Bc5 10.cd5 Qd5 11.Qd5 Nd5 12.0–0 0–0 13.Rc1 Nd7 14.Nbd2 Ba6 15.Ba6 Ra6 16.Nb3 Be7 17.e4 Bf6 18.Bf6 (18.ed5 Bb2 19.Rc6 Rc6 20.dc6 Ba1 21.cd7 Bf6–+) 18...N5f6 19.Nbd2 Rfa8 20.Rab1 Ra2 21.Rb4 Ra1 22.Rbc4 Nb6 23.Rc6 Rc1 24.Rc1 Rc8 25.Rc8 Nc8 26.g3 h6 27.h4 Nh7 28.e5 g6 29.Kg2 Kg7 30.g4 g5 31.Kg3 Ne7 32.Ne4 Kg6 33.h5 Kg7 34.Nfd2 f5 35.gf5 ef5 36.Nc5 Nf8 37.Kf3 Nc6 38.Nc4 Nd4 39.Ke3 Nfe6 40.Nd6 f4 41.Ke4 Nc5 42.Kd4 Ne6 (better is 42...Nb3 43.Kd5 g4 44.Nf5 Kf8+–) 43.Kd5 Nc7 44.Kc6 Ne6 45.Nf5 (45.Nf5 Kf8 46.Kd6+– (46.Nh6?! Ng7+–)) 1–0. COMP PsionChess 2 13 – Fournier,Frederic, 1995.

4.Bb5 c6 5.Be2 ab4 6.d4 e6 7.Nf3 d5 8.c4 c5 9.dc5 Bc5 10.cd5 Qd5 11.Qd5 Nd5 12.0–0 0–0 13.Rc1 Nd7 14.Nbd2 Ba6 15.Ba6 Ra6 16.Ne5 Ne5 17.Be5 Rc8 18.Nb3 Rac6 19.Na5 Ra6 20.Nb7 Rac6 21.Nc5 Rc5 22.Rc5 Rc5 23.e4 Nc3 24.Bd6 Rb5 25.e5 f6 26.ef6 gf6 27.f3 Kf7 28.Kf2 h5 29.Kg3 e5 30.Kh3 Ke6 31.Bf8 Kf5 32.a4 Rb8 33.Bd6 Rb7 34.a5 b3 35.a6 Ra7 36.Ba3 (36.g4 hg4 37.fg4 Ke6–+) 36...Ra6 37.g4 hg4 38.fg4 Kg6 39.Kg3 Ra3! 40.Ra3 b2 41.Rb3 b1Q 42.Rb1 Nb1 0–1. COMP PsionChess 1 01 – Fournier,Frederic, 1995.

3.e3 a6

4.a3 e6 5.Nf3 c5 6.c3 cb4 7.cb4 Be7 8.Be2 0–0 9.0–0 Nc6 10.Nc3 Bb7 11.d4 d5 12.Ng5 h6 13.Nh3 Qd7 14.f4 Rac8 15.Bg4 Ng4 16.Qg4 f5 17.Qf3 Nd8 18.a4 (18.Rac1 a5 19.ba5 Ra8=) 18...Nf7 19.ab5 ab5 20.Ra7 Bb4 21.Na2 Bd6 22.Qd1 Rc7 23.Qb3 Rfc8 24.Nf2 Bc6 25.Rc7 Rc7 26.Nd3 Bf8 27.Nab4 Bb4 28.Nb4 Nd6 29.Rc1 Nc4 30.Nc6 Qc6 31.Ba3 Qa6 32.Bb4 Ra7 33.Bc3 Qa3 34.Qb5?? (34.Rb1 Ne3 35.Kf2 Nd1 36.Qd1 Qc3 37.Kg1–+) 34...Qc1 35.Kf2 Ra2 (35...Qe3 36.Kf1 Ra1 37.Qb1 Rb1 38.Be1 Qe1) 36.Kg3 (36.Qb2 Rb2 37.Kg3 Qe3 38.Kh4 Qf4 39.Kh5 Qg4) 36...Qe3 37.Kh4 Qf4 38.Kh3 Qg4 0–1. trun (1725) – Fournier,Frederic (1985), Echecs21, 2003.

4.a4 ba4 5.c4 Bb7 6.Nf3 e6 7.d4 (better is 7.Bc3!?=) 7…Bb4–/+ (7...Bb4 8.Bc3 c5–/+) 0–1. Drnovsek,Janez – Fournier,Frederic, Partie evaluee, 5m + 0s, 2007.

4.a4 c6 5.d4 Bb7 6.Bd3 e6 7.Ba3 (7.c3 c5 8.Nf3 cb4 9.ab5 ab5 10.Ra8 Ba8 11.Bb5 Qa5=) 7...d5 (7...c5!? 8.Nf3 cb4–/+) 8.Ne2 Be7 9.c3 Nbd7 10.0–0 0–0 11.Qb3 Qc7 12.ab5 ab5 13.Nd2 Nb6 14.Bb2. Robeson,Christian – Fournier,Frederic (2215), Train France, 2001.

4.c4 bc4 5.Bc4 e6 6.a3 d5 7.Be2 c5 8.bc5 Bc5 9.Qc2 Be7 10.Nf3 0–0 11.h4 Bd7 12.Ng5 g6 (better is 12...Qc8!? 13.Nc3 e5+=) 13.h5+= Ne4? (better is 13...Qe8!?+=) 14.Ne4 de4 15.hg6 fg6 16.Qe4 Bc6?? (better is 16...Nc6+–) 17.Qe6 Rf7 18.Rh7! Kh7 (18...Kh7 19.Qf7 Mate attack) 19.Qf7 Kh6 20.Bg7 Kg5 (20...Kh7 21.Bf6 Kh6 22.Qg7) 21.Qf4 1–0. combijack (1785) – cougarbait (1685), gameknot.com, 2011.

4.Be2 e6 5.Bf3 d5 6.d3 (better is 6.a4!?+=) 6...Bb4–/+ 7.Nd2 0–0 8.c4 bc4 9.dc4 c6 10.a3 Ba5 11.Rc1 Bb7 12.cd5 cd5 13.Ne2 Nbd7 14.Nd4 Rc8 15.N4b3 Bb6 16.0–0 Rc1 17.Qc1 Qc8 18.Bd4 Qc1 19.Rc1 Rc8 20.Rc8 Bc8 21.Bb6 Nb6 22.Nc5 Nfd7 23.Nd3 1–0. Clapton (1735) – Fournier,Frederic (1730), Active (1/0), 2005.

4.Qf3 Nc6 5.a3 Bb7 6.Qg3 e6 7.c4 bc4 8.Bc4 g6 9.Qf4 Bg7 10.Nc3 d5 (better is 10...Nh5!? 11.Qf3 Na5–+) 11.Bf1 0–0 12.Nf3 Qd6 13.Qd6 cd6 14.Be2 Ne4 15.Na4 Bb2 16.Nb2 Rfc8 17.0–0 (17.Na4 Rc7+=) 17...Ne7 (17...Ne5!? 18.Rfd1 Rc2 19.Ne5 de5=) 18.Rfc1 Rc1 19.Rc1 Rc8 20.Rc8 Nc8 21.Kf1 Nb6 22.Ke1 f5 23.Nd4 Kf7 24.h4 h5 25.f3 Nf6 26.g3 e5 27.Nb3 Nfd7 28.d3 Ke6 29.Kd2 (29.d4 e4+/–) 29...Nb8 (29...Bc6 30.Na5 Bb5 31.Bd1+=) 30.Kc3 Nc6 (30...Bc6!?=) 31.d4+/– e4 32.f4 Kd7 33.a4 Ke6 34.b5 ab5 35.Bb5 Na7 36.Kb4 Nac8 37.a5 Nd7 38.Na4 Ke7 (better is 38...Na7!?+/–) 39.a6+– Ba8 40.Ka5 Kd8?? 41.Bd7 Kd7 42.Nb6 Nb6 43.Kb6 Kc8 44.Na5 Kb8 45.Nc6 Kc8 46.Ne7 Kd7 47.Ng6 Bc6?? 48.a7 Ba8 49.Nf8 Ke7 50.Nh7 Kd7 51.Ng5 Ke7 52.Nh7 Kd7 53.Nf6 Ke7 54.Nh5 Kf7 55.Kc7 Kg6 56.Kd6 Kh5 57.Kc7 Kg4 58.Kb8 Bc6 59.a8Q Ba8 60.Ka8 Kg3 61.Kb7 Kh4= 62.Kb6?? Kg4–+ 63.Kc6 Kf3 64.Kd5 Ke3 65.Ke5?? Kf3 66.d5 e3 67.d6 e2 68.d7 e1Q 69.Kf5 Qb1 70.Ke6 Qb3 71.Ke7 Qb4 72.Ke8 Qe4 73.Kd8 Qa8 74.Ke7 Qe4 75.Kd6?? Qg6 76.Kc7 Qc2 77.Kd6 Qd3 78.Kc7 Qc4 79.Kd6 Qd4 80.Kc6 Qe4 81.Kd6 Qf4 82.Ke7 Qg5 83.Kd6 Qd8 84.Ke6 Ke4 85.Kd6 Kf5 86.Kc6 Ke6 (86...Ke6 87.Kc5 Qd7 88.Kc4 Qd5 89.Kc3 Qc5 90.Kd2 Qd4 91.Kc2 Ke5 92.Kb3 Kd5 93.Ka2 Kc4 94.Kb1 Qf2 95.Kc1 Kc3 96.Kd1 Qd2) 0–1. lobo24 (1715) – Fournier,Frederic, Active, 2008.

4.Nf3 Bb7 5.a4 e6 6.c3 ba4 7.Bc4 c5 8.bc5 Bc5 =.

4.Nf3 Bb7 5.c3 e6 6.d4 Bc6 7.Bd3 Be7 8.0–0 a5 +=.

4.Nf3 Bb7 5.Be2 d5 6.0–0 Nbd7 7.Nd4 (better is 7.a4!?+=) 7...e5+= 8.Nb3 Bb4 9.d3 c5 (9...0–0 10.a4–/+) 10.Bc3 (10.a3 Ba5+=) 10...d4 (10...Bc3 11.Nc3 0–0 12.d4 ed4 13.ed4–+) 11.ed4? (better is 11.Bb4 cb4 12.ed4+=) 11...Bc3–+ 12.Nc3 cd4 13.Nb1 Nd5 14.N1d2 (14.Bf3 0–0–+) 14...Rc8 15.Rc1 (15.Ne4 0–0 16.Nd6 Rc7–+) 15...Qg5 (better is 15...Nc3!? 16.Qe1–+) 16.Ne4 Qg6 17.Bf3 (17.Bh5!? Qb6 18.Bg4–/+) 17...Nf4 18.g3 Be4 (18...Rc7 19.Na5 Ba8 20.c4 dc3 21.Rc3 Rc3 22.Nc3–+) 19.Be4 Nh3 (19...f5!? 20.Bb7 Rb8–/+) 20.Kg2 Qh6 (20...f5 21.Bf3 Qh6–/+) 21.Nd2? (better is 21.f4!? ef4 22.Bf5=) 21...Rc7 22.Nf3 g6 (22...0–0 23.Bf5 Ng5 24.Qd2–/+) 23.Ng1 (23.Qe1 0–0 24.Qa5 Ra7+=) 23...f5 (23...Ng1!? 24.Kg1 0–0–+) 24.Nh3–/+ fe4 25.de4 Nf6 26.Re1 g5 27.Qd2= Rg8 28.Ng1 Ng4 29.h3+= Nf6 30.Nf3 Nd7 31.h4 Rc6 32.Ng5 Nf6?? 33.Nf3?? Qh5 34.Qe2 Rd6 35.Nd2 Qh4+= 36.Rh1 Qg5 37.Nf3 Qg4 38.Ng1 Qe4 39.Qe4+= Ne4 40.Rh7 Rf6–/+ 41.Nh3 Rgg6 42.Re1+= Nc3 43.Re5 Re6 44.Nf4 Re5 45.Ng6 Re2 46.Ra7 Ne4?? 47.Ra6?? Rf2= 48.Kh3 Kd8 49.Rb6 Rc2+= 50.Rb5? Nc3?? 51.Rf5?? Na2?? 52.Rd5+/– Kc7 53.Rd4 Rc6 54.Nf4 Nc3 55.Nd5+– Nd5 56.Rd5 Rh6 57.Kg2 Kc6 58.Rd1 Kc5 59.g4 Rg6 60.Kg3 Rg8 61.Kf4 Rf8 62.Ke5 Rg8 63.Rc1 Kb4 64.Kf5 Rf8 65.Kg5 Rg8 66.Kf4 Rf8 67.Kg3 Rg8 68.Rf1 Kc4 69.Rf5 Kd4 70.Kf4 Rg7 71.g5 Re7 72.g6 Rg7 73.Kg5 Ke4 74.Rf7 Rg8 75.g7 Ke5 76.Kg6 Ke6 77.Rf8 (77.Rf8 Rg7 78.Kg7+–) 1–0. valpa – Wilmy, playchess.de, 2004.

4.Nf3 Bb7 5.Be2 e6 6.0–0 (6.a3!?= c5 7.a4 ba4 8.bc5 Bc5=) 6...Bb4+= 7.a3 (7.a4 ba4 8.Ra4 Be7+=) 7...Bc5 (7...Be7 8.c4 (8.a4 b4 9.a5–/+) 8...bc4–/+) 8.d4+= Ba7 (8...Bd6+=) 9.c4 c6 (9...bc4 10.Bc4 0–0 11.Nbd2+=) 10.c5 Nd5 (10...d6 11.cd6 Qd6 12.a4+=) 11.Nfd2 (11.Nbd2 f5=) 11...d6 12.Ne4 dc5 13.dc5 0–0 14.Nd6 Qd7 (14...Qc7 15.Qd4 f6 16.Qg4+=) 15.Bd4 (15.Qd4 f6 16.Bd3 e5+=) 15...Rd8 (better is 15...e5!? 16.Be5 Bc5 17.Nb7 Qb7–/+) 16.Bd3= Qe7 17.Qg4 f6 (17...f5 18.Bf5 Nc7 19.Bc2+– (19.Nb7?! ef5 20.Qf5 Rf8+=)) 18.e4 (18.Nb7 f5 19.Qg7 Qg7 20.Bg7 Rd7=) 18...e5? (18...Nc7 19.Rd1=) 19.Nb7 (better is 19.ed5 ed4 20.Qe6 Kf8 21.Re1 Qe6 A) worse is 22.Re6 Bc8–+ (22...Bc5 23.Nb7 Rd5 24.Be4+/–); B) 22.de6+/–) 19...Qb7= 20.Qe6?? (better is 20.ed5 ed4 21.dc6 Nc6 22.Qe6 Kf8 23.Be4+=) 20...Qf7–+ 21.Qf7 Kf7 22.ed5 ed4 23.dc6 Nc6 24.Nd2 Bc5 25.Nb3 Bb6 26.Rfe1 Ne5 27.Be4 Rab8 28.f4 Nc4 29.Red1 Ne3 30.Rd2 a5 31.g4 Ng4 32.Kg2 a4 33.Nc1 Bc7 34.Kf3 h5 35.Nd3 g6 36.Nb4 Rd6 37.Rd4?? Rd4 38.Nc6 Nh2 39.Ke3 Re4 40.Ke4 Re8 41.Kd3 Bf4 42.Rb1 Re3 43.Kd4 Ra3 44.Rb5 Be5 45.Ne5 fe5 46.Ke5 Ng4 47.Kf4 Ra1 48.Rb7 Kf6 49.Rb6 Kg7 50.Kg5 Ne5 51.Rb7 Nf7 52.Kf4 a3 53.Ke3 a2 (53...a2 54.Ra7 Re1 55.Kd4 a1Q 56.Ra1 Ra1–+) 0–1. macedon (2065) – grahamtrue (2070), net–chess.com, 2008.

4.Nf3 e5 5.Ne5 Bb4 6.Qf3 c6 7.a4 ba4 8.Ng4 Be7 +=.

4.Nf3 e6 5.c3 c5 6.bc5 Bc5 7.d4 Be7 8.a4 ba4 =.

4.Nf3 e6 5.d4 Bb4–/+ 6.Nbd2 0–0 7.c3 Be7 8.e4 Bb7 9.Bd3 d6 10.0–0 Nbd7 11.Re1 e5 12.d5 c6 13.c4 bc4 14.Bc4? (better is 14.dc6!? Bc6 15.Bc4–/+) 14...cd5–+ 15.ed5 Rc8 16.Rc1 Nb6 17.Bb3 Rc1 18.Qc1 Nbd5 19.Nc4 Nb6 20.Ng5 Nc4 21.Qc4 Qb6 22.Kh1?? (22.Qe2 Nd5 23.Nh3 Rc8–+) 22...Qb5 (better is 22...Qf2 23.Rg1 Bd8–+) 23.Qh4 h6 24.Nf3 Bf3 25.gf3 Nd5 26.Rg1 (26.Qe4 Nf4 27.Rb1–+) 26...Bf6 (better is 26...Bh4 27.Rg2 Nf4–+) 27.Qh6+= g6 28.Qh3?? (better is 28.Rg6 fg6 29.Qg6 Bg7 30.Qe6 Kh7 31.Bc2 Kh8 32.Qh3 Kg8 33.Qe6 Rf7 34.Qc8 Bf8 35.Qg4 Kh8 36.Qh5 Bh6 37.Qh6 Kg8 38.Qg6 Rg7 39.Qe6 Kf8 40.Qd6 Kf7 41.Bd3 Qd3 42.Qd7 Kg6 43.Qg4 Kf6 44.Be5 Ke5 45.Qg7 Ke6 46.Qg8 Kd7 47.Qf7 Kd6 48.Qf8 Kc7 49.Qf7 Kb6 50.Kg2+=) 28...Nf4–+ 29.Qg4 Qe2 (29...Qe2 30.Bc1 Kg7 (30...Qf2? 31.Bf4 Kg7 32.Bg3+–) 31.Bf4 ef4 32.Qf4 Qf2–/+) 0–1. Dyachenko,Igor Petrovich – Fournier,Frederic (1805), ChessOK.com (3+0), 2012.

4.a4 Bb7

5.ab5 ab5 6.Ra8 Ba8 7.Bb5?? Bg2 8.Nf3 Bh1 –+.

5.ab5 ab5 6.Ra8 Ba8 7.Nf3 e6 8.c3 c6 9.d4 (9.Be2 Be7=) 9...d5 10.Bd3 Bd6 11.0–0 0–0 12.Qc2 (12.Nbd2 Nbd7=) 12...Qc7 (12...Nbd7 13.Nbd2=) 13.Nbd2 (13.Na3 Nbd7=) 13...Nbd7 14.Ra1 Bb7 (14...Re8 15.e4 e5 16.Ra5=) 15.e4 de4 16.Ne4 Ne4 17.Be4 Nf6 18.Bd3 Ra8 19.Ra8 Ba8 ½–½. Ballan,Michel – Deneuville,Christian, AJEC TH6/02, 1996.

5.ab5 ab5 6.Ra8 Ba8 7.Nf3 e6 8.c3 Bf3 =.

5.ab5 ab5 6.Bb5?? Ra1 7.Nf3 Ra2 –+.

5.Nf3 e6 6.c3 ba4 7.Bc4 c5 8.bc5 Bc5 =.

3.e3 Ba6

4.a4+= ba4 5.Ba6 Na6 6.Ra4 Nb8 7.c4 (7.Bf6 ef6 8.Nf3 Bd6+/–) 7...d5+= 8.c5 (8.d3 dc4 9.Bf6 ef6 10.dc4 a5 11.Qd8 Kd8 12.ba5 Ra5 13.Ra5 Bb4 14.Ke2 Ba5+=) 8...e6 9.d4 a6 10.Nf3 Nc6 11.Qe2 (11.0–0 Rb8+=) 11...Be7 12.Ra6 Nb4 13.Ra8 Qa8 14.Qb5 Nc6 15.Ne5 Qa5 16.Qa5 Na5 17.Nd2 0–0 (17...Rf8 18.Ke2 Nd7 19.Bc3 Ne5 20.Ba5+/– (worse is 20.de5 Nb7+=)) 18.0–0 (18.Ke2 Rb8 19.Ra1 Ne4+/–) 18...Nb3 (18...Rb8 19.Rb1=) 19.Nb3 Rb8 20.Nc6 Rb3 21.Ne7 Kf8 22.Nd5 ed5 23.Bc1 h5 (23...c6 24.Re1+=) 24.f3 h4 (24...Rb1 25.Re1+=) 25.Kf2 Rc3 26.Ke2 Ke7 27.Bd2 Rb3 28.Ra1 Kd7 29.g4 Rb7 (29...hg3 30.hg3 Rb2 31.Ra6+/–) 30.Kd3 (30.g5 Ng8+–) 30...c6 (30...g5!?+/–) 31.g5+– Nh7 (31...Nh5 32.Ra3+–) 32.f4 (32.e4 Nf8+–) 32...f6 (32...f5!?+/–) 33.g6+– Nf8 34.f5 Ke7 (34...Kc8 35.Ra8 Rb8 36.Rb8 Kb8 37.h3+–) 35.Ra6 Rc7 36.Be1 Rc8 (36...Nd7 37.Bh4 Rc8 38.Bg3+–) 37.Bh4 Nd7 38.Bg3 (38.Bg3 Ke8 39.Bd6+–) 1–0. Van Esbroeck – Fehr,Wolfgang, corr SOK–93–98, 1995.

4.a4 e5 5.ab5 (worse is 5.Bb5 Bb7 6.f3 a6+=) 5...Bb7 6.Be5 Bb4 7.Nf3 d6 8.Bb2 Nbd7 9.Be2 0–0 10.0–0 Ne4 (10...c6 11.c3 Bc5 12.d4+–) 11.d3 Ng5 12.c3 (12.Ra4 Nf3 13.Bf3 Bf3 14.Qf3 Bc5+–) 12...Bc5 13.Nbd2 Bd5 (13...a5 14.d4 Bb6 15.c4+–) 14.Ng5 f6?? (better is 14...Qg5 15.Bf3 Bf3 16.Nf3 Qg6+–) 15.Ngf3 (15.Bf3!? Bf3 16.Qb3 Kh8+–) 15...Ne5 16.d4 Nf3 17.Bf3 Bf3 18.Qf3 Bb6 19.c4 Re8 20.Nb3 Qd7 21.Ra3 Rac8 22.c5 dc5 23.dc5 Qb5 24.cb6 cb6 25.Bd4 Qd3 26.Rd1 Qb5 27.Nd2 a5 28.Rb3 Qa6 29.Rb6 Qd3 30.Qg4 Rc1 31.Rc1 Qd2 32.Rd1 Qc2 33.Rb7 g6 34.Rdb1 Rc8 35.h4 f5 36.Qg5 Qc6 37.Qe7 Rc7 38.Rb8 Rc8 39.Qg7 1–0. Welti,Manfred (1920) – MacDonald,Murdo, ICCF FM/0154, 2006.

3.e3 Bb7

4.Bb5?? e6 5.Bf1 Bb4 6.Nf3 0–0 7.Be2 d5 8.0–0 Nbd7 9.a3 Bd6 10.d3 c5 11.Nbd2 Qc7 12.c4 dc4 13.dc4 Rab8 14.Bf6 Nf6 15.Qc2 Be5 16.Rab1 Bd6 17.Rb2 Bc6 18.Rfb1 Rb2 19.Rb2 Rb8 20.Rb8 Qb8 21.Nb3 (21.Bd3 a6=) 21...a5 (21...Be4 22.Qd1–/+) 22.Ng5? (better is 22.Na5!? Be4 23.Qd1=) 22...a4 23.Nd2 Qb7 (23...Bh2!? 24.Kh1 Bc7–/+) 24.Ndf3 (24.Bf3 Bf3 25.Ngf3 Qd7=) 24...Bf3 25.Bf3 Qc7 26.Ne4 Ne4 27.Qe4 g6 (27...Qb8!?+=) 28.Qa8 Kg7 29.Qa4 (better is 29.g3!?+/–) 29...Bh2= 30.Kh1 Be5 31.Qb5 Bd6 (better is 31...Qd6!? 32.Kg1 Qd2–/+) 32.a4 f5 33.a5 Qa7 34.Qb6 Qb6 35.ab6 Bb8 36.b7 Kf6 37.Bc6 e5 38.Kg1 e4 39.f3 Ke5 40.fe4 fe4 41.Kf2 h5 42.Kg3 g5 43.Bd5 Kf5 44.Kf2 h4 0–1. torf (1835) – Fournier,Frederic (1980), Echecs21, 2003.

4.Bb5?? Bg2 5.Be2 Bh1 –+.

4.d4 a6 5.a3 e6 6.Nf3 d5 7.Nbd2 Nbd7 8.Nb3 Ne4 9.Bd3 Ng5 10.0–0 h6 11.Na5 Rb8 12.Re1 Ba8 13.h4 (better is 13.Nb3!?+=) 13...Nf3+= 14.Qf3 Qh4 15.e4 de4 16.Be4 Be4 17.Re4 Qg5 18.Rae1 Qd5?? (better is 18...Rb6=) 19.Re6!!+– Qe6 (19...Qe6 20.Re6 Double attack (20.Qc6 Decoy); 19...fe6 20.Qe4 Double attack (20.Qd5 Discovered attack; 20.Qd5 Deflection; 20.Qe4 Decoy; 20.Qd5 Remove defender)) 20.Re6 fe6 21.Nc6 Rb6 (21...Bd6 22.d5 e5 23.Qh5 Kf8 24.Qf5 Kg8 25.Qd7 Rf8+–) 22.Qh5 (22.Qh5 g6 23.Qg6) 1–0. jparkinson (2465) – grahamtrue (2180), net–chess.com, 2011.

4.d4 Ne4 5.Bd3 (better is 5.f3 Nd6 6.a4=) 5...Nf2?? 6.Kf2+– a6 (6...e5 7.Qg4+– (7.Bb5?! Qh4 8.g3 Qe7=)) 7.Nf3 (7.a3 e6+–) 7...d5 (7...e5 8.Ne5 Qh4 9.Kg1 Bb4 10.a4+–) 8.Rf1 Nd7 9.Kg1 g6 (9...e6 10.c3+–) 10.Nc3 (10.a4 e6+–) 10...e6 11.e4 (11.a3!? f5+–) 11...Bb4 12.ed5 Bc3 13.Bc3 Bd5 14.Bd2 h6 15.Bb4 a5 16.Ba3 b4 17.Bb2 c6 18.a3 Qb6 19.Kh1 0–0–0? 20.Qe2 Nb8 21.Rfb1 b3 22.Bc4 bc2 23.Qc2 Rhf8 24.a4 Bc4 25.Qc4 Qa7 26.Ne5 Rd6 27.Bc3 Nd7 28.Nc6 Qc7 29.Qa6 (29.Qa6 Qb7 30.Qb7) 1–0. gtate (1980) – tmitchell (1840), net–chess.com, 2004.

4.d4 e6 5.c3 a6 6.Nf3 d5 7.Bd3 Bd6 8.Nbd2 Nbd7 9.Nb3 c6 10.Na5 Qc7 11.Nb7 Qb7 12.0–0 0–0 13.Qb3 Rfe8 14.h3 e5 15.Nh4 g6 16.Be2 e4 17.a4 Nb6 18.ab5 ab5 19.Ra8 Ra8 20.Ra1 Ra1 21.Ba1 Qa7 22.Bb2 Qa4 23.Qd1 Nfd7 24.g3 Qd1 25.Bd1 Nc4 26.Ba1 Ndb6 27.Kf1 f5 28.Ke2 Kf7 29.Bc2 0–1. COMP Fritz 2.0 – Fournier,Frederic, Paris FRA, 1993.

4.d4 e6 5.Nf3 =.

4.Nf3 c6 5.a3 a5 (5...e6 6.c4 a5 (6...bc4 7.Bc4 d5 8.Be2 a5 9.ba5 Bd6) 7.ba5 Ra5 8.Qb3 Ne4 9.Nc3 Nc5) 6.Nc3 (6.ba5 Qa5 (6...Ra5 7.c4 e6 8.Qb3 Ne4 9.Nc3 Nc5) 7.c4 Na6+= 8.Nc3 bc4 9.Bc4 e6; 6.a4 ab4 7.ab5 Ra1 8.Ba1 e6 9.Bd3 cb5) 6...e6 (6...ab4 7.ab4 Na6 8.Na2= e6 9.c3 Be7) 7.Be2 (7.ba5!? Be7 (7...Ra5 8.Be2 d5 9.0–0 Bd6) 8.e4= (8.Bd3 0–0 9.0–0 Ra5) 8...d6 9.Bd3 0–0) 7...ab4–/+ 8.ab4 Ra1 9.Qa1 Bb4 10.Ba3 (10.0–0–/+) 10...Bc3 (10...Qa5 11.Bb2–/+) 11.dc3 (11.Qc3!? d6 12.Qb4=) 11...Qa5 (11...d5 12.0–0–/+) 12.Qb2 Nd5 13.0–0 (13.Bb4 Qc7+= (worse is 13...Nb4 14.cb4 Qd8 15.Qg7+/–)) 13...Nc3 (better is 13...Qc3!? 14.Qc3 Nc3–/+) 14.Bd3 c5 (better is 14...f6!?=) 15.Bc5+/– Bf3? (15...f6 16.Bb4 Na4 17.Qd4+/–) 16.gf3?? (16.Bb4 Nd1 17.Qg7 Qb4 18.Qh8 Qf8+–) 16...Na6? (better is 16...f6!? 17.Ra1 Na4 18.Bb5 Qc3 (18...Nb2? 19.Ra5 Kf7 20.Ra8+–) 19.Qc3 Nc3+/–) 17.Bd4 (17.Ra1 Na4 18.Qg7 N6c5 19.Qh8 Ke7 20.Qh7 Qc3+–) 17...Na4? 18.Qa1?? Nb4?? 19.Bg7 Rg8 20.Kh1?? Nd3+= 21.cd3 Qb4?? 22.Be5 1–0. Nautiluschess – artels, ICS blitz, 2001.

4.Nf3 c6 5.a4 A) 5...a6 6.Be2 (6.c3 e6 7.Be2 Be7 8.0–0 0–0 9.d4 d6; 6.Bd4 e6 7.c3 d6 8.Bf6 Qf6 9.d4 Nd7) 6...e6 7.c3 Be7 8.0–0 0–0 9.Na3 Qc7; B) 5...e6 B1) 6.c3 ba4 7.Ra4 a5 8.ba5 Ra5 9.Ra5 Qa5; B2) 6.Bc3 Na6 (6...a5 7.ab5 ab4 8.Ra8 Ba8 9.Bb2 Be7; 6...a6 7.Ne5 a5 8.ab5 ab4 9.Ra8 Ba8) 7.ab5 Nb4 8.bc6 Bc6 9.Be2 Be7; B3) 6.ab5 Bb4 7.Bc3 Be7 8.Bd3 cb5 9.Bb5 a6.

4.Nf3 c6 5.c4 bc4 6.Bc4 d5 7.Bb3 Nbd7 8.0–0 Qc7 9.d4 h6 10.a3 Ne4 11.Nfd2 Ndf6 12.f3 Nd6 13.Bc2 e6 14.Qe2 Nb5 15.Nb3 Bd6 16.h3 Qb6 17.Nc3 Ba6 18.Bd3 Rb8 19.Na4 Qc7 20.Rfc1 Nd7 21.Nac5 Nc5 22.Nc5 (22.Rc5?! Bc5 23.dc5 Qc8+=) 22...Bc5 23.dc5 (23.bc5?! Qc8+=) 23...0–0 24.a4 Nd4 25.Bd4 (25.ed4?! Bd3 26.Qd3 Rb4+–) 25...Bd3 26.Qd3 Rb4 (26...Rb4 27.Bg7! Rfb8 28.Bh6 Rb2+–). coora – grahamtrue (2185), net–chess.com, 2011.

4.Nf3 c6 5.c4 e6 6.a3 a5 7.ba5 Qa5 8.Bc3 Qa4 9.Qa4 ba4.

4.Nf3 Nc6 5.Bb5 a6 (5...Nb4!? 6.Be2 Rb8=) 6.Bc6+/– Bc6 7.0–0 e6 8.a3 Be7 9.Ne5 Bb7 10.Ng4 0–0 11.c4 Kh8 12.d3 Ng4 13.Qg4 Bf6 14.Bf6 gf6 15.e4 f5 16.Qf4 (16.ef5? Rg8 17.Qd4 e5 18.Qe5 f6–+) 16...fe4 17.de4 d6 18.Nd2 f5 19.e5 Rg8 20.f3 d5 21.Rfc1 c6 22.Nb3 Bc8 23.cd5 cd5 24.Rc6 Bd7 25.Rd6 Rc8?! (25...Qe8+–) 26.Nc5 Rg7 27.Ne6 (27.Na6?! Rc2 28.g3 Qe8+–) 27...Be6 28.Rd8 (28.Rd8 Rd8 29.Rc1+–; 28.Re6?! Rg2 29.Kh1 Rcc2 30.Ra6 Qc8+–) 1–0. Pcmvr – HOTSUN, playchess.de, 2004.

4.Nf3 d6 5.Bb5 c6 6.Be2 e5 7.0–0 Nbd7 8.c4 a5 9.b5 c5 10.d3 Be7 11.Nc3 0–0 12.a4 e4 13.de4 Ne4 14.Ne4 Be4 15.Nd2 Bg6 16.Bf3 Rb8 17.Nb3 Bf6 18.Bf6 Nf6 19.Qd2 Ne4 20.Be4 Be4 21.Rad1 (21.Qa5?! Qg5 22.g3 Qf6+–) 21...Re8 22.f3 (22.Qa5?! Qg5 23.g3 Qf6+/–; 22.Na5?! Ra8 23.Nb3 Qh4+–) 22...Bg6 23.Na5 Ra8 24.Nc6 Qf6 25.a5 Rec8 (25...Qe6+–) 26.Qd6 Qd6 27.Rd6 Bc2 28.Ne7 Kf8 29.Nc8 Rc8 30.b6 Bb3 (30...Ke7 31.Rd2 Ba4+–) 31.b7 Rb8 32.a6 Bc4 33.a7 Rb7 34.a8Q Ke7 (34...Rb8 35.Qb8 Ke7 36.Qd8) 1–0. Fournier,Frederic (1640) – no_takeback_jak, Active, 2011.

4.h4 e6 5.a4 Bb4 6.ab5 c6 7.c3 Be7 8.c4 cb5 9.cb5 d5 10.Bd4 a6 11.Nc3 0–1. Chalvet,Philippe – Fournier,Frederic, Partie Libre (Active), 1993.

4.Nf3 a6

5.a4 ba4 6.Ra4 e6 7.b5 Bc5 8.d4 Bb6 (8...Be7 9.Bd3=) 9.Nbd2 c6 (9...ab5 10.Ra8 Ba8 11.Bb5+=) 10.ba6+= Na6 11.Qa1 (11.Bd3 0–0+=) 11...Nb4= 12.Ra8 Qa8 (12...Ba8 13.Qd1=) 13.Qa8+= Ba8 14.c3 Nbd5 15.e4 Ne7 16.e5 Nfd5 17.c4 Nf4 18.g3 Nfg6 19.h4 (19.c5 Ba5+/–) 19...h5 (19...c5 20.h5 Nf8 21.dc5 Bc5 22.Bg2+/–) 20.c5 Ba5 21.Bd3 0–0 (21...Nd5 22.Ke2 Ke7 23.Ra1+/–) 22.0–0 (22.Ke2 Bd2 23.Nd2 Rb8+–) 22...f6 (22...Rb8 23.Nc4+/–) 23.Ra1+– Bd2 24.ef6 (24.Nd2 Rb8+–) 24...gf6 (24...Bb4!? 25.fe7 Ne7+–) 25.Nd2+– Bb7 26.Ra7 (26.Be2 Rb8 27.Bh5 Kg7+–) 26...Rb8 27.Nc4 Bc8 (27...Bc8 28.Be2 Rb4+–). Ballan,Michel – Beauvineau,Arnauld, corr TH6/02, 1996.

5.a4 ba4 6.Ra4 e6 7.Nc3 Nc6 8.b5 ab5 9.Ra8 Ba8 10.Bb5 Qb8 =.

5.a4 ba4 6.Ra4 e6 7.d4 Bc6 8.b5 ab5 9.Ra8 Ba8 10.Bb5 Be7 (10...Bf3 11.Qf3 (11.gf3 Bb4 12.c3) 11...c6 12.Bc4=) 11.Nbd2 (11.0–0 0–0 12.Nbd2) 11...0–0 (11...Bc6 12.Bd3+=) 12.0–0 Bc6 13.Bc6 (13.Bd3 Nd5+=) 13...Nc6= 14.c3 Qa8 15.Qc2 Rb8 16.Ra1 Qb7 17.Bc1 g6 (17...d5 18.e4=) 18.h3 (18.e4 d5+=) 18...Nd8 (18...d5 19.Rb1 Qa8 20.Rb8 Qb8 21.e4+=) 19.Ne5 (19.e4 d5+=) 19...g5 (19...d6 20.Rb1 Qc8 21.Rb8 Qb8 22.Nef3=) 20.Rb1 Qc8 21.c4 (21.Rb8 Qb8 22.Ndf3 h6+=) 21...Rb1 22.Qb1 Qb7 23.Qb7 (23.Qd3 d6 24.Nef3 g4 25.hg4 Ng4+=) 23...Nb7 24.Ndf3 (24.e4 c5+=) 24...h6= 25.Kf1 Bb4 26.Ke2 Na5 (26...c5 27.Bb2=) 27.Bd2+= Bd2 28.Nd2 (worse is 28.Kd2 d6–/+) 28...Kf8 29.c5 (29.e4 d6 30.Nef3 c5+=) 29...d6 30.cd6 (30.Nec4 Nc4 31.Nc4 dc5 32.dc5 Nd7=) 30...cd6= 31.Nec4 Nc4 32.Nc4 Ke7 33.g4 Ne4 34.f3 Nc3 35.Kd2 Nd5 36.Kd3 f6 37.Ke2 ½–½. Vettenburg,L – Benselin,x, corr Belgium (year?).

5.a4 ba4 6.Ra4 e6 7.Be2 c5 8.b5 ab5 9.Ra8 Ba8 10.Bb5 Be7 11.0–0 0–0 12.Qe2 Bc6 13.Nc3 Qb6 14.Ne5 d6 15.Nc6 Nc6 16.Na4 Qc7 17.c4 Nb4 18.Qf3 Rb8 19.e4 Qb7 20.d3 d5 (better is 20...Nc2!?=) 21.Bf6+/– Bf6 (21...gf6!? 22.ed5 ed5 23.Qg3 Kh8+/–) 22.Nc5+– de4? (better is 22...Qe7 23.Nd7 de4 24.de4 Rd8 25.Nf6 Qf6 26.Qf6 gf6+–) 23.Qg3 (23.Nb7 ef3 24.Nc5 Rd8+=; 23.de4?! Qe7 24.Nd7 Rd8 25.Nf6 Qf6 26.Qf6 gf6+–; 23.Ne4?! Be5+=) 23...Qb6 (23...Qa8 24.Nd7 Rb5 25.cb5 Bb2 26.de4 Na2+–) 24.Nd7 (24.Nd7 Qa7 25.de4+– (worse is 25.Nb8 Nd3 26.Nd7 Bd4+–); 24.Ne4?! Be7+=; 24.de4?! Rd8 25.Nd7 Qd4 26.Nf6 Qf6+/–) 1–0. dba (2335) – Fournier,Frederic (2080), Echecs21, 2003.

5.c4 c6 6.Nc3 (6.c5 A) 6...d6 7.d4 a5 8.a3 Na6 9.Qd2 ab4 10.ab4 Nd5; B) 6...e6 7.a4 (7.d4 a5 8.ba5 Qa5 9.Nbd2 d6 10.cd6 Bd6) 7...d6 (7...Be7 8.Bf6 Bf6 9.d4 d6 10.Qc2 dc5; 7...Nd5 8.Qb3 d6 9.d4 a5 10.ba5 dc5) 8.d4 Nbd7 9.Nbd2 a5 10.ab5 ab4; C) 6...a5+= 7.a4 ab4 8.ab5 Ra1 9.Ba1 e6 10.d4 d6; 6.a3 e6 7.Nc3 d5 8.c5 a5 9.Be2 Be7 10.0–0 0–0; 6.d4 a5 7.cb5 (7.ba5 Qa5 8.Nbd2 e6 9.Qb3 Ne4 10.c5 Bc8) 7...ab4 8.bc6 Nc6 9.d5 Na5 10.Bf6 gf6) 6...e6 (6...bc4 7.Bc4 e6 (7...d5 8.Be2 e6 9.a3 a5 10.ba5 Bd6) 8.a3+= (8.Qb3 d5 9.Be2 Bd6 10.0–0 0–0) 8...d5 9.Be2 a5 10.ba5 Ba6; 6...a5 7.a3 ab4 (7...bc4 8.Bc4 ab4 9.ab4 Ra1 10.Qa1 e6) 8.ab4 Ra1 9.Qa1 e6 10.Qa7 Qc8) 7.c5 (7.a3 bc4 8.Bc4 d5 9.Be2 c5 10.bc5 Bc5) 7...a5 8.a3 Na6 (8...d6 9.d4 Na6 10.Nb5 cb5) 9.Qb3 Be7 (9...d6 10.d4 Be7) 10.d4 0–0 11.Be2 d6 12.0–0 ab4 13.ab4 dc5 (13...Qc7 14.e4 d5 15.e5+=) 14.dc5 Qc7 15.Na2 Rad8 (15...Nd7 16.Rfd1+=) 16.Be5+/– Qc8 17.Nc3 Nd5 18.Nd5 ed5 19.Nd4 Qd7 (19...Rfe8 20.Qb2 Bf8 21.Bf4+/–) 20.h3 (20.Bd3 f6 21.Bf5 Qe8+–) 20...Qe8 (20...Ra8 21.Bd3 Rfe8 22.Qb2 Bc5 23.bc5 Re5 24.Nb5+/–) 21.Bg3 (21.Nf5 f6 22.Bd6 Bd6 23.Nd6 Qe7+/–) 21...Bf6 22.Rad1 (22.Bd3 Kh8+/–) 22...g6 (22...Be5 23.Be5 Qe5 24.Ra1+=) 23.Rfe1 Ra8 (23...Be5 24.Be5 Qe5 25.Ra1+=) 24.Bf3 Qd8 25.e4 de4? (25...Re8!?+/–) 26.Re4 (better is 26.Ne6!? fe6 27.Rd8 Rad8 28.Qe6 Rf7 29.Re4 Kg7+–) 26...Qd5 27.Qb1 Qc4?? (better is 27...Bd4 28.Red4 Qg5+–) 28.Ne2 Bc8 29.Rc4 bc4 30.Bc6 Bf5 31.Qc1 Rad8 32.Bd6 Nb4 33.Bf8 Rf8 34.Bd7 Nd3 35.Qc4 Nb2 36.Qd5 Nd1 37.Qd1 Rd8 38.c6 Be5 39.Ng3 Be6 40.Qc1 Rd7 41.cd7 Bd7 42.Ne4 Bf5 43.Qg5 Kg7 44.Ng3 Bf6 45.Nf5 Kg8 46.Qf6 gf5 47.Kh2 f4 48.h4 f3 49.gf3 h5 50.Kg3 Kh7 51.Qg5 f6+– 52.Qh5 Kg7 53.Kf4 f5 54.Kf5 Kg8 55.Qg6 Kh8 56.Qe8 Kh7 57.h5 Kg7 58.Qg6 Kh8 59.Qc6 Kg7 60.Qd7 Kh6 61.Qe6 Kg7 62.h6 Kh8 63.Qf6 (63.Qf6 Kh7 64.Qg7; 63.Qe5 Kh7 64.Qg7) 1–0. Wygrecki,J – Manion,Tom, East Lansing ch–MI op, 1982.

5.d4 e6 6.a3 Bd6 7.Nbd2 0–0 8.c4 bc4 9.Nc4 Be7 10.Be2 d6 11.0–0 Nbd7 12.Ne1 Re8 (12...Bd5 13.f3=) 13.Na5+= Be4 14.Bf3 d5 15.Nc6 Qc8 16.Ne7 Re7 17.Be4 Ne4 18.f3 Nd6 19.Qd3 Nc4 20.Bc3 f5 21.e4 f4 22.Nc2 Qe8 23.Rae1 Ndb6 (23...Qg6 24.Rf2=) 24.Rb1 Na4 25.ed5 ed5 26.Rfe1 Nc3 27.Qc3 Qf7 28.Re7 Qe7 29.Re1 Qf7 30.a4 c6 31.Kf2 Re8 32.Re8 Qe8 33.Qd3 g6 34.g3 fg3 35.hg3 Qe6 36.Kg2 (36.Ne3!?=) 36...Kg7+= 37.f4 h5 38.Kf2 Qh3 39.Ne3? (39.Qf1 Qf5 40.Qe2 Kf7=) 39...Nd6 (39...Qh2 40.Ng2 Nd6 41.Qe2 Ne4 42.Ke3 Ng3 43.Qf2–+) 40.Kf3? (better is 40.Nf1+=) 40...Ne4 41.Nf1 h4 42.Ke2 (42.Qe2 hg3 43.Qg2 Qh5 44.Ke3–+) 42...Qg2 43.Ke1 Qf2 44.Kd1 hg3 45.Qa6 (45.Ne3–+) 45...g2 46.Qb7 Kh6 (46...Kh6 47.Qb5 gf1Q 48.Qf1 Qd2) 0–1. Satka,Martin – Fleiszerowicz,Leopold, Brandenburg Seniors op, 2003.

5.d4 e6 6.a3 Be7 7.c4 bc4 8.Bc4 d5 9.Bd3 0–0 10.Nbd2 Nbd7 11.Nb3 Rc8 (11...Bd6 12.Nc5 Qc8 13.Qc2+=) 12.Nc5 (12.Na5!? Ba8 13.Ba6+/–) 12...Nc5+= 13.bc5 c6 14.Bc3 h6 15.0–0 Ne4 16.Be4 de4 17.Nd2 f5 18.Qb3 Qd7 19.Rab1 Ba8 (19...Rb8!?+/–) 20.Nc4+– Rb8?? (20...Qe8 21.Nb6 Rb8 22.Qe6 Qf7 23.Qf7 Rf7 24.Nd7+–) 21.Nb6 (better is 21.Qb8!? Rb8 22.Rb8 Kh7+–) 21...Qc7? (better is 21...Qe8 22.Qe6 Qf7 23.Qf7 Rf7+–) 22.Qe6 (22.Na8?! Rb3 23.Nc7 Rc3 24.Na6 e5+–) 22...Kh7 23.g3 (better is 23.Nd7 Rbd8 24.Nf8 (24.Qe7?! Qd7 25.Qe5 Qd5+–) 24...Rf8 25.Ba5 Qa5 26.Qe7+–) 23...Rf6 24.Qc4 (24.Qd7 Qd8+–) 24...Bd8? (better is 24...Bb7+/–) 25.Nd7!!+– Qd7 26.Rb8 (26.Rb8 Bb7 27.Ba5+–) 1–0. espanyol37 (2235) – Fournier,Frederic (2060), Active, 2004.

5.d4 e6 6.c3 d5 7.a4 c6 8.Bd3 Bd6 9.Nbd2 Nbd7 10.Nb3 0–0 11.Na5 Qc7 12.0–0 e5 13.Nb7 Qb7 14.Ne5 Ne5 15.de5 Be5 16.Qf3 Qc7 17.h4 g6 18.ab5 ab5 19.Rfe1 Qb7 20.Red1 Ra1 21.Ra1 Ra8 22.Ra8 Qa8 23.Qd1 Qa2 24.Qc2 Nd7 25.h5 Nb6 26.hg6 hg6 (worse is 26...fg6 27.Bg6 hg6 28.Qg6 Bg7 29.Qe8 Bf8 30.Qe6 Kg7 31.Qe5 Kf7 32.Qc7 Be7 A) 33.Qc6? Na4–+ (33...Qb2?! 34.Qb6 Qc3 35.Qb5 Qe1 36.Kh2–/+); B) 33.Qb6 Qb2 34.Qc6 Qb1 35.Kh2 Qh7 36.Kg1=) 27.Qc1 Na4 28.Ba1 Qb3 29.Bc2 Nc3 30.Bb3 Ne2 31.Kf1 Nc1 32.Be5 Nb3 33.Ke2 c5 34.bc5 Nc5 35.Bd4 Ne6 36.Bc3 f5 37.Kd3 Kf8 38.Be5 Ke7 39.Kc3 Kd7 40.Bf6 Kd6 41.Kb4 Kc6 42.Be7 g5 Black plans f4 43.Kc3 f4 44.ef4 gf4 ½–½. COMP ChessChampion 2175 – Fournier,Frederic, 1995.

5.Be2 e6 6.a3 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.Be2).

5.Bf6 ef6 6.a3 c5 (6...Be7 A) 7.d4 a5 8.Bb5 ab4 9.a4 0–0 10.0–0 Nc6 11.c3; B) 7.Be2 0–0 (7...a5 8.ba5 Ra5 9.0–0 0–0 10.Nd4 b4 11.c3) 8.0–0 a5 9.ba5 Ra5 10.Nd4 b4 11.c3; C) 7.c4 0–0 8.cb5 ab5 9.Nc3 c6 10.Bd3 g6 11.0–0; 6...Nc6 7.d4 a5 8.Bb5 ab4 9.a4 Be7 10.0–0 0–0 11.c3) 7.bc5 (7.c3 A) 7...Qc7 8.d4 (8.Be2 Bd6 9.bc5 Bc5 10.a4 ba4 11.d4) 8...cd4 9.cd4 Be7 10.Nbd2 a5 11.Bb5; B) 7...d5 8.bc5 (8.Be2 c4 9.a4 a5 10.ab5 ab4 11.Ra8) 8...Bc5 9.d4 Bd6 10.Bd3 Nd7 11.a4; C) 7...Nc6 8.Be2 Bd6 9.bc5 Bc5 10.d4 Bd6 11.a4) 7...Bc5 8.d4 (8.Be2 0–0 9.d4 Qa5 10.Qd2 Bb6 11.0–0; 8.c4 Qa5 9.Nc3 bc4 10.Bc4 0–0 11.Qa4) 8...Ba7 (8...Be7 9.c4= 0–0 10.Nbd2 Qa5 11.cb5) 9.Bd3 (9.Nbd2 Nc6 10.Bd3 Qe7 11.0–0) 9...Qa5 (9...0–0 10.0–0 Qe7 11.Nbd2) 10.Nbd2 (10.Nfd2 0–0 11.0–0) 10...0–0 (10...Qc3 11.0–0) 11.0–0 (11.a4+=) 11...Nc6 (11...Qc3 12.Qb1+=) 12.Nh4 (12.c4!?+/–) 12...Ne7 (12...Bb8 13.c4+=) 13.c4 Ng6 (13...Rfc8 14.cb5 ab5 15.Qh5+/–) 14.Nf5 (14.Ng6 hg6 15.Nb3 Qa4 16.cb5 ab5+/–) 14...bc4 (14...Bb8!?+/–) 15.Nc4+– Qd5 (15...Qc7 16.Ncd6 Bc6 17.Rc1+– (17.Ba6?! Bg2 18.Qc1 Qa5+/–)) 16.e4 Qe6 (16...Qc6+–) 17.d5 Qe8 (17...Bd5 18.ed5 Qd5+–) 18.Ncd6 Qb8 (18...Qe5 19.Nb7 Nf4 20.Qg4+– (20.Ba6?! Bb8 21.Kh1 Ra6+–)) 19.Rb1 1–0. Ritzmann,Horst – Wartig,Wolfgang, corr DDR, 1985.

5.Bf6 ef6 6.c3 c5 7.bc5 Bc5 8.a4 Qa5 9.d4 Be7 10.Be2 0–0 11.0–0 d5 12.Nbd2 Qc3 13.Qb1 Qc7 14.ab5 ab5 15.Ra8 Ba8 16.Bd3 h6 17.Rc1 Nc6 18.Qb5 Qd6 ½–½. Lonsdale,David Robert – Fournier,Frederic, b2–b4.com, 2003.

5.a4 e6

6.ab5 Bb4 7.Ra4 Bc5 (7...Be7 8.Nc3 ab5 9.Ra8 Ba8 10.Bb5 Nc6 11.0–0) 8.Nc3 0–0 9.Qa1 Qc8 10.Be2 d6 11.0–0.

6.ab5 Bb4 7.ba6 Na6 8.Be2 (8.Bb5 c6 9.Be2 0–0 10.0–0 d6 11.Bf6; 8.Ra4 Be7 9.Be2 0–0 10.0–0 Qb8 11.Bc3; 8.Nc3 0–0 9.Bb5 Nc5 10.0–0 Ra1 11.Ba1; 8.Bc4 d5 9.Bb5 c6 10.Be2 Bd6 11.Be5) 8...0–0 9.0–0 (9.Ra4 Nd5 10.0–0 Qe7 11.Ra1) 9...d5 (9...Qe7 10.Be5 d6 11.Bb2) 10.Ne5 (10.Be5 Nd7 11.Bf4) 10...Nc5 (10...Qe7 11.Bb5=) 11.Na3 (11.Ra8 Qa8 (11...Ba8? 12.c3 Ba5 13.Ba3+–) 12.c3 Qa2 13.cb4 Qb2+=) 11...Ncd7 (11...Nce4 12.d4+=) 12.f4 (12.Nd3 Be7=) 12...Ne4 13.c3 Bd6 14.c4 Ne5 15.fe5 Bb4 16.d3 Nd2 17.Rf4 dc4 18.Nc4 Nc4 19.Ra8 (worse is 19.dc4 Ra1 20.Ba1 Qd1 21.Bd1 c5–/+) 19...Ba8 (19...Qg5 20.Rf8 Bf8 21.Rf2 Nb2 22.Qc1 Nd3 23.Bd3 Qe5 24.Rb2=) 20.Rc4= c5 (20...Qg5 21.e4 c5 22.Qf1=) 21.Bf3 (21.Rg4 Bd5=) 21...Qg5 (21...Bf3 22.gf3 Qg5 23.Kf2+=) 22.Kf2 (22.Rf4 Bf3 23.Qf3 Qg6+=) 22...Bd5 (22...Bf3 23.Qf3 Rd8 24.d4 Qh4 25.Qg3+=) 23.Rg4 Qe7 24.h4 (24.Bd5 ed5 25.Qf3 Qe6=) 24...Ra8 25.Kg3 (25.e4 Bc6–/+) 25...Rb8 (25...Qd7 26.h5–/+) 26.Qc1 (26.Kh2 Bf3 27.Qf3 Bd2+=) 26...Kh8 (26...Bf3 27.Kf3 Ra8 28.Kf2+=) 27.d4 (27.Rf4 Bf3 28.Kf3 Kg8+=) 27...h6 (27...Bb7 28.Bb7 Qb7 29.Kh2+=) 28.dc5 (28.e4 Bb3+=) 28...Bc5–/+ 29.Bd4 Bb4 (29...Rb5!?–/+) 30.Bd5= ed5 31.Qc6 Be1 32.Kh3 Qe6 33.Qe6 fe6 34.Rg6 Re8 35.h5 Kg8 36.Kg4 (36.e4 de4 37.Rg4 Rd8 38.Re4 Bd2=) 36...Kf7 37.Kf3. Buczinski,Henryk – Jakubiec,Jerzy, Chorzow Poland, 1966.

6.ab5 Bb4 7.Nc3 0–0 8.Be2 c6 9.ba6 Na6 10.0–0 d5 11.Re1 Qc7 12.Na4 Rfb8 13.Be5 Bd6 14.d4 Ne4 15.Bd6 Qd6 16.c4 c5 17.cd5 ½–½. Cereus (2140) – Fournier,Frederic (2160), echecsemail.com Thematique, 2006.

6.ab5 ab5 7.Ra8 Ba8 8.c3 c6 9.Be2 Be7 10.Na3 Na6 11.0–0.

6.c3 ba4 7.d4 Be7 (7...a5 8.b5=) 8.Bd3 (8.Ra4 0–0+=) 8...a5= 9.b5 0–0 10.Nbd2 (10.0–0 c6=) 10...d5 (10...c6 11.c4=) 11.0–0 c5 12.c4 (worse is 12.Ra4 c4 13.Bc2 Qb6=) 12...a3 (12...Nbd7 13.cd5 Nd5 14.Nc4=) 13.Ba3+= cd4 14.Be7 Qe7 15.ed4 dc4 16.Nc4 Qd8 17.Re1 Nbd7 (17...Nh5 18.Nfe5 Nf4 19.Be4 Be4 20.Re4+=) 18.Ng5 (18.Nfe5 Nb8+=) 18...h6 19.Ne4 (19.Nf3 Nd5+=) 19...Ne4= 20.Be4 Be4 21.Re4 Qc7 (21...Qg5 22.Ne5 Nb6 23.Qf3=) 22.Ne5 Ne5 (22...Rfb8 23.Rc1 Qd6 24.Qa4=) 23.Re5 (23.de5 Qb6 24.Qe2 Rfd8=) 23...Rfe8 (23...Rfd8 24.Qa4=) 24.Rc5 Qb7 (24...Qf4 25.Ra4=) 25.Ra4+= Red8 26.h3 (26.Qe2 Rd5=) 26…Rd7 (26...Rd7 27.Qg4 Rad8=; 26...Qe4 27.Qa1=). Ballan,Michel – Grillon,Jean Marie, AJEC TH6/02, 1996.

6.Bc3 ba4 7.Ra4 Bc6 =.

5.c4 bc4

6.Bc4 Nc6 7.Ng5 (7.a3 e6+= A) 8.Qc2 Ne7 (8...a5 9.b5 Na7 10.Be2 c6 11.bc6 Nc6) 9.Be2 a5 10.ba5 Nc6 11.0–0 Be7; B) 8.0–0 Be7 (8...Bd6 9.Nc3 0–0 10.e4 Be7 11.Be2 a5) 9.Nc3 0–0 10.d4 Rb8 11.Rc1 Bd6) 7...Nb4?? (better is 7...e6 8.a3 d5= (8...Bd6 9.0–0 0–0 10.f4 h6 11.Nf3 Be7; 8...Be7 9.0–0 d5 10.Bd3 e5 11.Bf5 e4; 8...h6 9.Nf3 Be7 10.0–0 d5 11.Be2 0–0) 9.Be2 Bd6 10.0–0 e5 11.d4 0–0; 7...d5 8.Be2 e5 9.a3 Bd6 10.0–0 0–0 11.Qc2 Re8) 8.Bf7 1–0. mangue – Toddo, ChessWorld.net, 2002.

6.Bc4 d5 7.Bb3 Nbd7 (7...e6 8.Ba4 c6 9.Qb3 Nbd7 10.0–0 a5 11.b5 Rc8) 8.d4 (8.Ba4 Rb8+= (8...e6 9.Ne5 Bb4 10.Qf3 c6 11.Bc6 Bc6) 9.Ne5 d4 10.Bc6 de3 11.de3 Qc8) 8...e6 (8...a5 9.b5 c6 10.a4 e6 11.0–0 Rc8; 8...Rb8 9.0–0 e6 10.a3 a5 11.b5 c6) 9.a3 Ne4 (9...a5 10.ba5 Bd6 11.0–0= (11.Nc3 Ra5) 11...0–0) 10.0–0 Bd6 (10...a5 11.b5 c6) 11.Nbd2 (11.Nc3 a5) 11...f6 (11...0–0 12.Rc1+=) 12.Ne4+= de4 13.Nd2 (13.Nh4 Qe7 14.d5 ed5 15.Bd5 Bd5 16.Qd5 Nb6 17.Qc6 Kf8+/–) 13...Qe7+= 14.Qh5 Qf7 15.Qg4 (15.Qh4 f5+=) 15...f5 16.Qe2 0–0 17.Rac1 Nf6 18.Nc4 (18.f3 ef3 19.Nf3 Bd5=) 18...Bd5 (18...Bh2 19.Kh2 Ng4 20.Kg1–+) 19.Nd6+= cd6 20.Ba4 (20.Bd5 Nd5 21.Rc6 a5+=) 20...Qb7 (20...f4 21.Qc2+=) 21.Rc3 Rac8 22.Rfc1 Rc3 23.Rc3 Rc8 24.Qc2 Rc3 25.Qc3 h6 26.Qc2 (26.Bd1 Qb5=) 26...Kh7 27.h3 Nd7 28.Bb3 (28.Qd2 Nb6 29.Bd1 Nc4=) 28...Nb6 29.Kh2 (29.Bd5 Qd5 30.Qc7 Nc4=) 29...Kg6 (29...Bb3 30.Qb3 Qd5 31.Qc3+=) 30.Kg3 (30.a4 Kh7=) 30...Qb8 (30...Bb3!? 31.Qb3 Qd5+=) 31.Bd5= Nd5 32.Qc6 Ne7 (better is 32...a5!? 33.b5 Kh7=) 33.Qa6+/– d5 34.Kh4?? Kf6–+ (34...Kf6 35.Qc8 g5 36.Kh5 Qc8 37.h4 Qe8 38.Kh6 Qh8) 0–1. Gross,Wilhelm – Merten,Rainer, xiv/05, 1986.

6.Bc4 d5 7.Be2 e6 8.0–0 Bd6 9.a3 0–0 10.Be5 a5 11.b5 Be5.

6.Bc4 d5 7.Be2 e6 8.a3 Bd6 9.d4 Nbd7 10.Nbd2 0–0 11.0–0 Re8 12.Rc1 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Nf3 Re7 17.Qc2 Qe8 18.Rfd1 Rc8 19.Bd3 g6 20.Qe2 Qa4 21.Qb2 Ne4 22.b5 (22.Ne5!? f5 23.Be4 de4 24.Qa2 Kf8 25.Qa1+/–) 22...ab5+= 23.Bb5 Qa8 24.Nd4 c5 25.Ne2 Qb8 26.Nc3 Nc3 27.Rc3 Qe5 ½–½. Fournier,Frederic – Robeson,Christian, Train France, 1996.

6.Bc4 e6 7.0–0 Bb4+= 8.Qb3 Nc6 9.a3 Be7 10.d4 (10.Qb7!? Na5 11.Qa6 Ra6 12.Ba6–/+) 10...Na5–+ 11.Qd3 Be4 12.Qd2?? (better is 12.Qc3 Nc4 13.Qc4–+) 12…Nc4 (12...Nc4 13.Qc3 Nb2 14.Qb2 Bf3 15.gf3 c6–+) 0–1. Bernard (1820) – Fournier,Frederic (2160), echecsemail.com, 2006.

4.Nf3 d5

5.Bb5+/– c6

6.Ba4 e6 7.a3 a5 8.b5 cb5 9.Bb5 Bc6.

6.Bd3 e6 7.a3 c5 8.bc5 Bc5 9.Nc3 Nbd7.

6.Be2 Nbd7 7.0–0 e6 8.a3 Bd6 (8...c5 9.Bc3 Qb6) 9.c4 e5 (9...dc4 10.Bc4 c5 11.bc5 Bc5 12.d4+/–) 10.c5 Bc7 11.d3 e4 (11...a5 12.Nbd2+/–) 12.de4+– de4 13.Nd4 Qb8 14.g3 Be5 (14...a5 15.Nc3 0–0 16.Qd2+/–) 15.Nd2 0–0 16.Nc4 Bc7 (16...Rd8 17.Qa4+–) 17.Nf5 Ne5 (better is 17...a5+–) 18.Ncd6 Rd8 (18...Bd6 19.Nd6 Ned7+–) 19.Be5 (19.Be5 Ne8 20.Qd4 Bd6 21.Bd6+–) 1–0. Wall,Bill – Yuen, Microsoft Gaming Zone, 2000.

6.Be2 e6 7.a3 a5 8.ba5 Bd6 9.0–0 0–0.

6.Be2 e6 7.a3 Bd6 8.0–0 Nbd7 9.c4 0–0 10.cd5 cd5 11.d3 Rc8 12.Nbd2 Qc7 13.Rc1 Qb8 14.Qb3 Ng4 15.h3 Nh2 16.Nh2 Bh2 17.Kh1 Be5 18.Nf3 Bb2 19.Qb2 Nf6 20.Rc8 Rc8 21.Rc1 Rc1 22.Qc1 e5 23.Qc5 e4 24.de4 de4 25.Qe5 Qc8 26.Nd4 h6 27.g3?? (better is 27.Nf5 Kh7 28.Nd6 Qc1 29.Kh2+–) 27...Qh3= 28.Kg1 Ng4?? (better is 28...Qc8=) 29.Bg4 Qg4 30.Qb8 Bc8 31.Qa7 Kh7? 32.Qc5 Qd1 33.Kg2 Bd7? 34.b5 Be6? 35.b6 Qb1 36.Qc7 Bd5 37.a4 Qa2 38.b7 Bb7 39.Qb7 Qa4 40.Qe4 g6 41.Qe7 Qa8 42.Kh2 Qd5 43.Qe8 Qh5 44.Kg2 Qd5 45.Nf3 Kg7 46.Qe5 Qe5 47.Ne5 f6 48.Nd3 Kf7 49.f4 1–0. Fournier,Frederic – paulo2705, Active, 2009.

4.Nf3 e6

5.a3 a5 6.ba5 Ra5 7.Be2 Bd6 8.Nc3 c6 9.h3 0–0 10.0–0 Bc7 11.Nd4 d5 12.f4 Qd6 13.Nf3 Ne4 (13...Nbd7 14.a4 b4 15.Nb1+=) 14.Ne4= de4 15.Be5 Qd7 16.Bc7 ef3?? (better is 16...Qc7 17.Nd4 Nd7=) 17.Ba5+– fg2? (17...fe2 18.Qe2 c5+–) 18.Rf2 c5 19.Bf3 Nc6 20.Bc3 f6 21.Rg2 Kf7 (21...Ne7 22.Bb7 Qb7 23.a4+–) 22.d3 e5 (22...Kg8 23.Rb1 Na7 24.e4+–) 23.fe5 Qh3 (23...fe5 24.Bc6 Bc6 25.Qh5 Kg8 26.e4+–) 24.Bd5 Ke8 25.Qf3 Qf3 26.Bf3 b4 (26...fe5 27.Bc6 Bc6 28.Rg7 Rf7+–) 27.Rg7 fe5 28.Bc6 (28.Bc6 Bc6 29.ab4 cb4 30.Bb4+–) 1–0. mikebaldini (1740) – zimpar, gameknot.com, 2014.

5.a3 a5 6.ba5 c6 7.Be2 Ra5 8.d4 (8.c4 bc4 9.Bc4 d5 10.Be2 Bd6 11.d4 Ra7 12.0–0 Ba6) 8...d5 9.0–0 Bd6 10.Nbd2 Nbd7 11.Ne5 0–0 12.Nb3 Ra6 13.Nd7 Nd7 14.f4 Qe7 15.Bd3 f5 16.g4 g6 17.a4 Ra4 18.Ra4 ba4 19.Na5 Nf6 20.g5 Ne4 21.c4 a3 22.Ba1 Ra8 23.Nb7 Qb7 24.Qc2 a2 25.c5 Bc7 26.Be4 fe4 27.Qb2?? (27.Qg2!?–+) 27...Qb2 28.Bb2 Rb8 (28...Rb8 29.Bc3 Rb1–+) 0–1. Petersen,Jan – Fournier,Frederic, Partie amicale, 1995.

5.a3 a5 6.Bb5 ab4 7.a4 c6 8.Be2 Be7 9.0–0 0–0 10.c3 d5 11.cb4 Bb4 12.d4 Nbd7 13.Qb3 c5 14.dc5 Qa5 15.Bf6 Nf6 16.Ne5 (16.Ne5 Rfc8 17.Rc1=). Gerold,Guenter – Fournier,Frederic, corr ICCF TT6/02/2, 2002.

5.a3 a5 6.Nc3 c6 7.ba5 Ra5 8.Nd4 d5 9.Nb3 Ra8 10.a4 b4 11.Ne2 c5 12.Ng3 c4 13.Nd4 Nbd7 14.Nb5 Be7 15.e4 (15.Qf3 Nc5+=) 15...0–0–/+ 16.e5 Ne8 17.Bd4 Qb8 18.f4 Bc6 ½–½. Trokenheim,Marek – Woschkat,Karl_Heinz, corr, 1992.

5.a3 c5 6.Bb5 cb4 7.0–0 ba3 8.Na3+/– Bc6 (8...Nc6 9.Nc4+/–) 9.Bc4 d5 10.Bb3 (10.Bd3!?+–) 10...Nbd7+/– 11.Nd4 Qc7 (11...Bb7 12.c4+/–) 12.Nc6+– Qc6 13.c4 dc4 (13...Nc5 14.cd5 Nd5 15.Nc4+–) 14.Nc4+– Nb6? (better is 14...Be7+–) 15.Nb6 Qb6 16.Ba4 Nd7 17.Bd7 Kd7 18.Rb1 (18.Rb1 Qc6 19.Rc1+–) 1–0. baitang (1930) – phildo (1905), gameknot.com, 2014.

5.a3 c5 6.Bb5 cb4 7.0–0 Qb6!? 8.Qe2 Nc6 +=.

5.a3 c5 6.Bb5 cb4 7.0–0 Nc6 8.c4 bc3 9.Bc3 Be7 10.d4 0–0 11.Nbd2 Rc8 12.Qb3 Na5 13.Ba5 Qa5 14.Bd7 Bf3 15.Bc8 Qd2 16.gf3 (16.Be6!? Be4 17.Bc4+=) 16...Rc8+= 17.Qb7 Re8 18.Qa7 Qe2 19.Kg2 Bd6 20.Rfe1 Qd3 (20...Qb5 21.Reb1 Qg5 22.Kf1 Bh2 23.Qc5 Qg1 24.Ke2–/+) 21.e4+= Qa3?? (better is 21...Bf4+=) 22.Ra3+– (22.Ra3 Ba3 23.Qa3+–) 1–0. Zimmer,Georg – Wartig,Wolfgang, email b4–00–01, 2000.

5.a3 c5 6.bc5 Bc5 7.Bb5 0–0 8.Be2 Nc6 9.0–0 Rc8 10.d4 Be7 11.c4 d6 12.Nbd2 Qa5 13.Qc2 Nb8 14.Rfc1 Rc7 15.Bc3 Qa6 16.Qd1 Rfc8 (16...Qc6 17.Rab1+/–) 17.Bb4 (better is 17.d5 Rc5 18.de6 fe6 19.Nd4+–) 17...Nc6?? (better is 17...Qc6+/–) 18.c5+– Nb4 19.Ba6 (19.ab4?! Qc6+–) 19...Na6 20.cd6 Bd6 21.Rc7 Rc7 22.Rc1 Rd7 23.Qb3 Bd5 (23...h6 24.Ne5 Be5 25.de5+–) 24.Qb5 (24.Qa4!? Rc7 25.Rc7 Nc7 26.Qa7 Kf8+–) 24...Nc7 25.Qb8 Nce8 26.Qc8 Bb7 27.Qc3 Rc7 28.Qb2 Rd7 29.Ne5 Rd8 30.Qb7 (30.Qb7 Be5 31.de5+–) 1–0. Fournier,Frederic – raul079, Active, 2005.

5.a3 c5 6.bc5 Bc5 7.Nc3 a6= 8.d4 Bb6 (8...Be7 9.Bd3=) 9.Be2 (9.Bd3 Qc7 10.Nb1 0–0=) 9...0–0+= 10.0–0 d6 (10...Qc7 11.Bd3+=) 11.Bd3 (11.a4 b4 12.Na2 a5=) 11...h6 (11...Qc7 12.a4 b4 13.Na2=) 12.Re1 (12.Nb1 Be4=) 12...Re8 (12...Ba5 13.Nd2+=) 13.e4 (13.a4 b4 14.Na2 Nc6=) 13...Nc6 (13...Ba5 14.Re3=) 14.d5 (14.Nb1 Qc7=) 14...Nd4 (14...Ne5 15.de6 Re6 16.Qe2–/+) 15.Rb1 (15.de6 fe6 16.a4 b4=) 15...ed5 (15...Rc8 16.Nd4 Bd4 17.Bb5 Bc3 18.Be8 Be1 19.Bf6 Qf6 20.Qe1 Re8 21.Rb7 ed5 22.h3+=) 16.Nd5 Nd5 (worse is 16...Bd5 17.ed5 Re1 18.Ne1 Nd5 19.Be4+=) 17.Bd4 Bd4 18.ed5 (18.Nd4? Nc3 19.Qg4 Nb1 20.Rb1 Qf6–+) 18...Bc3 19.Re8 Qe8 20.Rb3 (20.Bf5 a5 21.Nd4 A) worse is 21...Bd5 22.Nb5 Ba2 23.Nc3 (worse is 23.Nd6 Qf8 24.Rb6 Be5+=) 23...Bb1 24.Nb1+/– (24.Qb1? Qe5–+); B) 21...b4=) 20...Be5 (better is 20...Rc8–/+) 21.c4+= Rb8 22.cb5 (22.Ne5 Qe5 23.Rb1= (worse is 23.cb5 Qd5 24.Qf3 Rc8–/+)) 22...Bd5+= 23.Bh7 (23.Rb4 Bc3 24.Rf4 ab5 25.Bh7 Kh7 26.Qd5 b4 27.Rf7 ba3 28.Qd3 Kh8–/+) 23...Kh7–/+ 24.Qd5 ab5 (24...Rb5 25.Qe4 Kg8 26.Re3–/+) 25.Re3 (25.h3 Kh8+=) 25...f6 (25...Rc8 26.Qd1–/+) 26.Qe4 (26.Ne5 de5 27.f4 Rb6+=) 26...Qg6–/+ 27.Qg6 Kg6 28.Ne5 fe5 29.Rd3 Rb6 30.f3 Kf5 31.g3 Ke6 32.Kf2 d5 33.Ke3 b4 34.Rb3+= Kd6 35.h4? Kc5–+ 36.Rb4? Rb4 37.ab4 Kb4 38.h5 Kc3 39.Ke2 Kc2 40.Ke1 d4 0–1. tightfist (2225) – pushtiu (2320), net–chess.com, 2008.

5.a3 c6 6.Nc3 Bd6 (6...a5 7.ba5 Qa5 (7...Ra5 8.Nd4 d5) 8.e4= d6) 7.Be2 (7.Ng5 Be7+= 8.Nce4 d5; 7.e4 Bf4 8.e5 Nd5) 7...0–0 (7...a5 8.ba5 0–0= (8...Ra5 9.e4=)) 8.d3 (8.e4 Bf4= (8...Bc7+=)) 8...c5 (8...Qe7 9.0–0+=; 8...Be7=) 9.bc5 (9.Nb5 Be7+=) 9...Bc5+= 10.Rb1 (10.d4 Be7 11.Nb5+=) 10...Re8 (10...a6!?=) 11.0–0 (11.Nb5 Nc6+/–) 11...d5 (11...a6 12.Na4 Be7 13.c4=) 12.d4 (12.Nb5 Nbd7+/–) 12...Bb6 (better is 12...Be7 13.Bb5 Nbd7+=) 13.Bd3 (13.Bb5 Nc6+/–) 13...Bc6 (better is 13...a6!?=) 14.Ne5 (14.Nb5 a6 15.Nc3 Nbd7+/–) 14...Re7 (14...a6 15.a4 b4 16.Na2+/–) 15.Nc6 (15.Nb5!? a6 16.Nc3 Be8+–) 15...Nc6+/– 16.Ne2 (16.Bb5!? Qd6 17.Bd3+/–) 16...a6= 17.c3 (17.a4 b4= (worse is 17...ba4 18.Ba3+/–)) 17...Bc7 18.Qc2 (18.a4 Qb8 19.g3 Bd6=) 18...g6 19.a4 Rb8 (better is 19...b4!?=) 20.Ba3+/– Rd7? (better is 20...Bd6!? 21.Bd6 Qd6 22.ab5 ab5 23.Rb5 Rb5 24.Bb5 Rb7+/–) 21.ab5+– Na7? (better is 21...ab5 22.Bb5 Rb5 23.Rb5 Na5+–) 22.ba6 Rc8 (22...Bb6 23.c4 dc4 24.Qc4+–) 23.Rb7 (23.Qa4 Ra8+–) 23...Ra8 (23...Nc6 24.Rfb1+–) 24.c4 Ba5 (24...dc4 25.Qc4 Nc8 26.Qc6+–) 25.Rd7 Qd7 26.c5 Qc6 27.Rb1 Kg7 28.Bb4 Bc7 29.Bd2 Bb8 30.Rb6 Qd7 31.Rb7 Qc6 32.Qb3 Nc8 33.Bb5 Qa6 34.Ba6 Ra6 35.g3 Ra8 36.Rb8 Ra1 37.Kg2 Ne7 38.Nf4 Ne4 39.Qb2 Ra4 40.Rb7 Kf6 41.Bb4 Nc6 42.Rb6 Ne7 43.c6 Ra7 44.Be7 Re7 45.Rb7 Re8 46.c7 Nd6 47.Rb8 Nc8 48.Qb7 Nd6 49.Re8 Nb7 50.c8Q Na5 51.Qd8 Kg7 52.h4 Nc6 53.Rg8 Kh6 54.Qg5 1–0. leighcastle – gordiemac, ChessWorld.net, 2009.

5.a3 c6 6.c4 a6 7.c5 d6 8.d4 dc5 9.bc5 (worse is 9.dc5 Qd1 10.Kd1 a5+=) 9...Be7 10.Bd3 0–0 11.0–0 Nbd7 12.Qc2 g6 13.Nc3 Nd5 14.Rfd1 N7f6 15.Rab1 Nc3 16.Bc3 Nd5 17.Bd2 Bf6 18.e4 Ne7 19.Bh6 Re8 20.a4 Kh8 21.Ne5 Be5 22.de5 Qc7 23.f4 Red8 24.Bg5 Rd4 25.Bf6 Kg8 26.ab5 ab5 27.Qf2 Rda4?? (better is 27...Rd7+/–) 28.Qh4+– h5 29.Be7 1–0. ddddale – hal1958, playchess.de, 2003.

5.a3 c6 6.d4 d5 (6...a5 7.c3=) 7.Nbd2 Nbd7 8.Bd3 Bd6 (8...Bd6 9.0–0 0–0=). Tommy – henriken (1885), internet, 2007.

5.a3 Nc6 6.Bb5 a5 7.ba5 Rb8 8.Bc6 Bc6 9.Bf6 gf6 10.0–0 +=.

5.a3 Nc6 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? (better is 21...Nc3 22.Qc3 d6+/–) 22.Ng5+– Qg5 23.e4 Be4 (23...Qh4 24.Bd3+–) 24.Qe4 f5 25.Qf3 h5 26.Ra7 Bd4 (26...Rd8+–) 27.Bd4 Rb4 28.Be3 (28.Qd3 Rb5+–) 28...f4 (28...Qg4 29.Qg4 Rb1 30.Bf1 hg4 31.Rd7+–) 29.Bd2 Rb1 30.Bf1 Qc5 31.Ra8 (31.Ra8 Kg7 32.Qf4+–) 1–0. Fournier,Frederic (1885) – Mansard,Williams, Coupe, 2006.

5.a3 Nc6 6.Bb5 Be7 7.0–0 (7.Be2 0–0+/–) 7...0–0 (7...a5 8.c3+/–) 8.c4 (8.Be2 Ne4+/–) 8...Rb8 (8...a5 9.Bc6 dc6 10.Nc3=) 9.Nc3 (9.Ba4!?+/–) 9...d5? (better is 9...a5+=) 10.Qa4+– (10.Qa4 Nd7 11.cd5+– (11.Bc6 Nb6 12.Qa7 Bc6+=)) 1–0. Feofanov,Alexander – Osipov,Yuri, 2008. (=1.Nf3 Nc6 2.a3 Nf6 3.b4 b5 4.Bb2 Bb7 5.e3 e6)

5.a3 Nc6 6.Be2 d5 (6...Bd6 7.Nc3 a6 8.0–0=) 7.0–0 (7.Bb5 Bd6+/–) 7...Bd6 (7...a6!?=) 8.Bb5+/– a6 9.Ba4 0–0 10.Nc3 Ne5 11.Nd4 (11.Ne5!? Be5 12.f4+/–) 11...Nc4+= 12.Bc1 Be5 (12...e5 13.Nf5+=) 13.Nce2 Nb6 14.Bb3 Ng4 15.f4 Bd4 (15...Bf6!?+/–) 16.Nd4+– (16.ed4?! a5 17.b5 a4+/–) 16...Qf6?? (16...h5 17.Qe2+–) 17.Rb1 (17.Qg4 a5 18.Bb2 Qg6+–) 17...Qh6?? (better is 17...Qg6+–) 18.Qg4 Bc8 19.Qf3 Qf6 20.Bb2 Qe7 21.Qg3 c5 (21...f6+–) 22.Nc6 (22.Nc6 f6 23.Ne7 Kh8 24.f5+–) 1–0. residencialfil (2510) – smoothoperator (2255), net–chess.com, 2015.

5.a3 d6? 6.Bb5+/– Nbd7 7.Be2 Be7 8.c4 0–0 9.0–0 c5 10.b5 d5 11.d3 Qc7 12.h3 Rad8 13.Qc2 h6 14.d4 (14.cd5 ed5 15.Nd4 Rfe8+/–) 14...Rc8 15.cd5 Nd5 16.Nc3?? (16.Rc1 Qb8 17.Nc3 Rfd8+/–) 16...c4?? (better is 16...cd4 17.Nd4 Nc3–+) 17.Nd5 ed5 18.Ne5 Ne5 19.de5 Qd7 20.a4 Qd8 21.Bd4 Ra8 22.a5 Qd7 23.b6 ab6 24.Bb6 Qe6 25.Rfb1 Qe5 26.Bd4 Qc7 27.Qc3 f6 28.Bb6 Qd7 29.Bg4 f5 30.Bf3 Bf6 31.Qb4?? Ba1–/+ 32.Ra1 Bc6 33.a6 Rfc8 34.a7 Bb7 35.Ra5 c3 36.Rc5 Rc5 37.Bc5 d4?? 38.ed4?? Bf3–/+ 39.gf3 f4 40.Qb8 Rb8?? 41.ab8Q+– Kh7 42.Qb3 1–0. OPA – karvapawnov, Live Game Caissa's Web, 2004.

5.a3 Be7 6.Bb5 0–0 7.0–0 Nc6 8.c4 a6 9.Ba4 Na7 10.d4 1–0. vhilts (2260) – pushtiu (2345), net–chess.com, 2011.

5.a3 Be7 6.Bb5 Ba6 7.Be2 0–0 8.0–0 d6 9.b5 Bb7 10.c4 c6 11.a4 c5 12.d4 a6 13.Nbd2 Qc7 14.Qc2 Nbd7 15.Rfd1 Rfd8 16.dc5 Nc5 17.Ba3 Nce4 18.Ne4 d5?? (better is 18...Be4 19.Qd2 Rab8+/–) 19.Be7 Qe7 20.Nf6 Qf6 21.c5 d4 (21...ab5 22.c6 Bc8 23.Bb5+–) 22.Rd4 Bf3 23.Rd8 (better is 23.Bf3 Rd4 24.ed4+–) 23...Rd8 24.Rc1 (24.gf3?! Qa1 25.Kg2 ab5 26.ab5 Qf6+=) 24...Be2 25.Qe2 Qh4 26.Qc4?? (better is 26.c6 ab5 27.ab5+–) 26…Qc4–+ (26...Qc4 27.Rf1 ab5 28.ab5 Qb5–+) 0–1. Fournier,Frederic – Salaun,Rene, Active Game France, 1996.

5.a3 Be7 6.Bb5 c6 7.Ba4 0–0 8.0–0 d5 9.d4 (9.Nc3 a5 10.b5 cb5 11.Bb5 Nc6+/–) 9...Ne4 (9...a5 10.c3+=) 10.Nbd2+/– Nd2 (10...a5 11.Ne4 de4 12.Nd2+/–) 11.Qd2 Bf6 (11...a5 12.Rfb1+/–) 12.c3 (12.Bb3 a5+/–) 12...Nd7 13.Qd3 Nb6 14.Bc2 g6 15.e4 Bg7 (15...a5 16.Rfb1+/–) 16.e5 (16.Rfe1 a5+/–) 16...Nc4 (16...a5 17.a4+/–) 17.Bc1 Qe7 18.Bg5 f6 (18...Qd7 19.Qe2+–) 19.ef6 Bf6 20.Bh6 (20.Bf6 Rf6 21.Bb3 Rf3 22.Qf3 Nd2+–) 20...Bg7 (20...Rf7 21.Rfe1+/–) 21.Bg7+– Qg7 (21...Kg7 22.Rfe1+–) 22.Rfe1 Rfe8 23.Ra2 Nd6? 24.Ng5 Bc8? 25.Ba4 Bd7 26.Qh3?? h6 27.Nf3 Ne4?? 28.Rc2?? Rad8?? 29.Ne5+– Ng5 30.Qg4 Rf8 31.Bc6 Bc6 32.Nc6 Qd7 33.Nd8 Qd8 34.h4 h5 35.Qg3 Nf3 36.gf3 Qe8 37.Rce2 Rf6 38.f4 Qf7 39.f5! Kg7 40.fe6 Qe7 41.Qg5 1–0. ZBicyclist – keeder, ChessWorld.net, 2010.

5.a3 Be7 6.d4 c6= 7.Bd3 d5 8.0–0 0–0 9.Nc3 h6 10.e4 de4 11.Ne4 Na6 (11...Ne4 12.Be4 a5 13.Bc3=) 12.c4 Ne4 13.Be4 bc4 14.Qc2 (better is 14.Ne5!?+=) 14...f5+= 15.Qc4 fe4 16.Qe6 Rf7 17.Ne5 Qf8 18.Nf7 Qf7 19.Qe4 Re8 20.Rae1 Nc7 21.Qg4 (21.Qc2 a5=) 21...Nd5 (21...Ba6 22.Qd7 Bf1 23.Qc7–/+) 22.Bc1 (22.Re5!?=) 22...Ba6–/+ 23.Rd1 (23.Bh6!? Bf1 24.Kf1–/+) 23...Bf1–+ 24.Kf1 a5! 25.Bd2? (25.ba5 Rf8 Combination) 25...ab4 26.ab4 Bb4 27.Bb4 Ne3 (27...Ne3 28.Kg1 Ng4–+) 0–1. losertoo (1860) – nay (2190), net–chess.com, 2006.

5.a3 g6? 6.Bb5+/– Bg7 7.Be2 0–0 8.0–0 Qe7 9.d4 d5 10.Nbd2 Ba6 11.Ba6 Na6 12.c4 dc4 13.Nc4 Rfd8 14.Nce5 Nb8 15.Qc2 Nd5 16.Rfc1 Rc8 17.e4 Nb6 18.Nc6 Nc6 19.Qc6 Rab8 20.Rab1 h6 21.Rc2 Kh7 22.Rbc1 Na8 23.Qa4 Rb7 24.Qa6 Rcb8 25.Ne5 Be5 26.de5 Qh4 27.f3 Qg5 28.Bd4 Nb6 29.Qd3 Qe7 30.Bb6 cb6 31.Qd6 Qd7 32.Rc7+– Qd6 33.ed6 Rc7 34.Rc7 Rd8 35.e5 a6 36.Rf7 Kg8 37.Rc7 a5 38.f4 ab4 39.ab4 Ra8 40.d7 Rd8 41.Rc8 (41.Rc8 Kf8 42.Rd8 Ke7 43.Rh8 Kd7 44.Rh6+–) 1–0. Fournier,Frederic (1695) – muralitodc (1745), Active, 2007.

5.a4 ba4 6.Ra4 Be7 7.Be2 0–0 8.0–0 d5 9.b5 c6 10.c4 dc4 11.Bc4 cb5 12.Bb5 Nc6 13.Nd4 (better is 13.Nc3!?=) 13...Nd4–/+ 14.Bd4?? (better is 14.Rd4 Qb6 15.Ba3 Qb5 16.Be7 Bg2 17.Bf6 Qf1 18.Qf1 Bf1 19.Rg4+=) 14...Qd5–+ 15.f3 Qb5 16.Nc3 Qc6 17.Qa1 a6 18.Be5 Rad8 19.Qb2 Rb8! 20.Rc1 (20.Bb8 Rb8 Combination) 20...Rbc8 (better is 20...Ra8–+) 21.Rb4? (21.Rb1 Ba8 22.Rba1–+) 21...Bb4 22.Qb4 Nd5 23.Qg4 f6 24.Ne2 Qb6 25.Bc3 Ne3! 26.Qh3 (26.de3 Qe3 Double attack) 26...Nd5 (26...Rc3!? 27.dc3 Nd1 28.Nd4 Nc3 29.Kh1 Qd4 30.Qe6 Kh8 31.Qe7–+) 27.Kf1 Nc3 28.Nc3 (28.dc3 Bd5–+) 28...f5 (28...a5 29.Ne2 Rc1 30.Nc1 Ba6 31.Ne2–+) 29.Rb1 (29.Qg3 Bd5 30.Qf2 Bc4 31.Kg1 Qf2 32.Kf2 Rfd8–+) 29...Qc6 (29...Qd4 30.Ne2 Qd2 31.Re1–+) 30.Rb4 (30.Qg3 Rfd8 31.Rb2 Qc4 32.Ne2 Bc6–+) 30...Rf6 (30...a5!? 31.Rb1 Ba6 32.Ne2–+) 31.Rh4 h6 32.Ne2 f4! 33.Nc3 (33.Nf4 g5 Double attack (33...g5 Decoy); 33.Rf4 Rf4 Combination) 33...Qc4 (33...Rd8 34.Ke1 Qd7 35.Kf1 Qd2 36.Rh6 Rh6 37.Qh6 Qc1 38.Kf2 gh6 39.g3 Qe3 40.Kf1 Rd2 41.Ne4 Qf3 42.Ke1 Qe2) 34.Ne2 (34.Ke1 Qd3 35.Rf4 Rf4 36.Qe6 Kf8–+) 34...a5 35.Rh5 Ba6 36.Re5 Qc1 37.Kf2 Qd2 38.Re6 Rc6 39.Re8–+ Kh7 40.Re7 Be2 41.Qg4 Bb5 42.Kg1 Rc1 43.Re1 Qe1# 0–1. mikebaldini (1635) – jattd (1635), gameknot.com, 2014.

5.a4 a6 6.ab5 ab5 7.Ra8 Ba8 8.Bb5 c6 9.Be2 Bb4 10.c4 0–0 (10...c5 11.0–0=) 11.Qa4+= Qb6 (11...Qa5 12.Qa5 Ba5 13.Ba3+=) 12.Bd4 (12.Qa8 Ba5 13.Bd4 Qb1 14.Bd1 Bb4+=) 12...c5 13.Bf6 (worse is 13.Qa8 Na6 14.Qf8 Kf8 15.Bf6 gf6–/+) 13...gf6?? (better is 13...Ba5 14.Be7 Re8 15.Bc5 Qc5+=) 14.Qa8+– d5 (14...Nc6 15.Qa1 Kg7 16.Nc3+–) 15.Qa1 (15.cd5 Rd8+–) 15...Nd7 16.0–0 Qd6 17.Nc3 Kh8 18.Nb5 Qc6 19.Rd1 e5 (19...dc4 20.Bc4 Rg8 21.Kh1+–) 20.cd5 Qd5 21.Nc3 (21.d4!? ed4 22.ed4 Qe6+–) 21...Qe6 22.Ne4 Nb6 23.Qb2 Ra8 24.Ra1 Rg8 25.Ng3 Qd5 26.d4 e4 (26...ed4 27.ed4 Qe6 28.Ra7+–) 27.Nd2 h6 (27...Bd2 28.Qb6 Qg5 29.Qc5 Qc5 30.dc5+–) 28.Nde4 Nd7 29.dc5 (29.dc5 Qe5 30.Qe5 fe5 31.c6+–) 1–0. Tilp,Andreas – Baum,M, corr DDR, 1988.

5.a4 Bb4 6.ab5 a6 7.ba6 Na6 8.Be2 0–0 9.0–0 d5 10.Ne5 Be7 11.c4 Nb4 12.Ra8 Qa8 13.cd5 Bd5 14.Bf3 Rb8 15.Bd4 c5 16.Bc3 Bf3 17.Nf3 Nd3 18.Qc2 Qa6 19.Ne5 c4 20.Bd4 Rb4 21.Nc3 Rb2 22.Qd1 Ne5 23.Be5 Nd7 24.Nd5? (better is 24.Bd4 Bf6 25.Bf6 Nf6 26.Qc1=) 24...Ne5–+ 25.Ne7 Kf8 26.Qc1? Nd3 (26...Nd3 27.Qd1 Ke7–+) 0–1. Fournier,Frederic (2255) – larryss(C) (2565), Active, 2002.

5.a4 c6 6.ab5 Bb4 7.b6 Qb6 (7...ab6 8.Ra8 Ba8 9.Be2–/+) 8.Na3 Bd2?? (better is 8...Qd8+=) 9.Nd2+– Qb2 10.Qb1?? (better is 10.Nac4 Qb4 11.Rb1+–) 10...Qb1–+ 11.Rb1 Bc8 12.Bd3 0–0 (12...d5 13.Nf3–+) 13.0–0 (13.e4 d6–+) 13...d5 14.Rb4 (14.Rb2 Nbd7–+) 14...a5 (14...c5 15.Ra4–+) 15.Rb6 (15.Ra4 c5–+) 15...Bd7 (15...c5 16.c4 Nbd7 17.Rb2–+) 16.Rb7 ½–½. gtate (1880) – aauerbach (1915), net–chess.com, 2003.

5.Bb5 a6 6.Ba4 Bb4 7.a3 Be7 8.0–0 0–0 9.Ne5 d6 10.Ng4 Nbd7 11.Bd7 Nd7 (11...Qd7?! 12.Nf6 gf6 13.Nc3=) 12.Nc3? (12.Nh6 Kh8 13.Qh5+=) 12...f5–+ 13.Na4 Qe8 14.f4 (14.e4 fg4 15.Qg4 Bf6–+) 14...Qg6 15.Nf2 (15.h3–+) 15…Qg2 0–1. rabelloenter (2000) – keithstuart (2400), net–chess.com, 2006.

5.Bb5 a6 6.Be2 Bb4 7.0–0 0–0 8.Ba3 Ba3 9.Na3 Nc6 10.Rb1 Rb8 11.Nc4 Ba8 12.Rb8 Qb8 13.Qb1 Qb1 14.Rb1 Rb8 15.Rb8 Nb8 16.d4 d6 17.Nfd2 Bb7 18.Bf3 Bf3 19.gf3 Nc6 20.Kf1 Nb4 21.a3 Nbd5 (better is 21...Nc2!? 22.Ke2 d5–/+) 22.Ne4 Ne4 23.fe4 Nf6 24.f3 Kf8 25.Ke2 Ke7 26.Kd3 Kd7 27.e5 Nd5 28.ed6 cd6 29.Na5 f5 ½–½. Murawski,Wieslaw (2180) – Zielinski,Stanislaw (2110), XI Ketrzyn Chess Festival A Poland, 2008.

5.Nc3 a6 6.a4 Bb4 7.ab5 ab5 8.Ra8 Ba8 9.Nb5 Be7 10.c4 c6 (10...0–0 11.Be2=) 11.Qa4 (11.Bf6 gf6 12.Nc3 c5+=) 11...cb5= 12.Qa8 bc4 13.Bc4 0–0 14.0–0 Qc7 15.Rc1 Nc6 16.Qa4 Rb8 17.Qa1 Qb6 18.Bc3 d5 19.Bd3 Qd8 20.Qa4 Nb4 21.Bb5 Rc8 22.Ne5 (22.Rb1!? Ra8 23.Qd1+=) 22...Ne4+= 23.f3 (23.Bc6 Nc3 24.Rc3 A) 24...Nc6? 25.Nc6 (25.Rc6?! Bf6 26.d4 Ra8+=) 25...Rc6 26.Qc6+–; B) 24...Bd6+=) 23...Nc3–/+ 24.Rc3 Ra8 25.Qd1 Qb8 (25...Bf6!? 26.f4 Be5 27.fe5 Qb8–/+) 26.Nc6 Nc6 27.Bc6 Ra6 28.Qc1 d4 29.ed4 Qa7 30.Kf2 (30.Be4 Ra1 31.Bb1 Qd4 32.Kf1 g6–/+) 30...Qd4 31.Ke2 g6 32.Be4 Ra2 33.Rc8 Bf8 34.Rc4 Qd6 35.Bb1 (35.g3 f5 36.Bb1 Ra3–/+) 35...Ra5 (35...Qe5 36.Re4 Qb5 37.Bd3–/+) 36.Qc3 (36.g3 Rh5 37.Qh1 Qd5–/+) 36...Qa6 (better is 36...Ra3!? 37.Qf6 Qh2–+) 37.Bd3+= Rd5 38.Rh4 (38.Rc6!? Qa7 39.f4+=) 38...Qd6 39.Bc4 Bg7 40.Qb3? (better is 40.Qe3 Re5 41.Re4–/+) 40...Rd2–+ 41.Ke1 Rg2 (41...Rg2 42.Qe3 Qd8–+ (worse is 42...Rh2 43.Rh2 Qh2 44.Bd3–+)) 0–1. Zylla,Johannes – NN, Betriebssport Brett, 1988.

5.c4 bc4+= 6.Bc4 Bb4 7.0–0 0–0 8.d4 d5 9.Bd3 Ba6 10.Ba6 Na6 11.Qa4 Qc8 12.Rc1 Rb8 ½–½. Deneuville,Christian – Fournier,Frederic, AJEC TH6/02, 1996.

5.c4 bc4 6.Bc4 Bb4 7.0–0 d5 8.Qa4+= Nc6?? (better is 8...Nbd7 9.Qb4 dc4 10.Qb7 Rb8 11.Qa7 Rb2+/–) 9.Bb5 Qd7 (9...0–0+–) 10.Ne5 Qd6 11.Bc6 Bc6 12.Nc6 (worse is 12.Qc6 Qc6 13.Nc6 Bd6+–) 12...Kf8 (12...Qd7+–) 13.Qb4 (better is 13.Be5!? Qc5 14.a3 Ba5 15.Na5 h5+–) 13...Qb4 14.Nb4 c5 15.Bf6 (15.Nc6 Ke8+–) 15...cb4 (15...gf6 16.Nc6 Ke8 17.Na5+–) 16.Bd4 a5 17.a3 b3 18.Nc3 a4 19.Bc5 (19.Rac1!? Ke7 20.Bg7 Rhe8+–) 19...Ke8 20.Rab1 Kd7 21.Rfc1 Rhc8 22.d4 Rc6 23.f4 f5 24.Kf2 h6 25.Ke2 g5 26.g3 Raa6 27.Bb4 Ke8 28.Nd1 Kd7 (28...Rc2 29.Bd2 Rc1 30.Rc1+–) 29.Nb2 Rc1 (29...Kc7 30.Nd3 Ra8 31.Rc6 Kc6 32.Nc5+–) 30.Rc1 Ra7 31.Rc5 (31.Kd2 Ke8+–) 31...Ra6 (31...Ra8 32.Nd3 gf4 33.ef4+–) 32.Ba5 Ra7 33.Na4 Rb7 34.Nb2 Ra7 (34...gf4 35.ef4 Ke7 36.Rc7 Rc7 37.Bc7+–) 35.Bb4 Rb7 36.Rc3 Rb5 (36...Rc7 37.Rb3 gf4 38.ef4 Rc2 39.Bd2+–) 37.Rb3 Kc6 (37...Rb8 38.Nd3 Ra8 39.Rc3+–) 38.a4 Rb7 39.a5 Ra7 40.Bd2 Ra6 41.Na4 g4 42.Nc5 1–0. justforfun (2510) – grahamtrue (2165), net–chess.com, 2015.

5.Be2 d5 6.Bf6 Qf6 7.c3 (worse is 7.Bb5 c6 8.Nc3 cb5 9.Nb5 Na6–+) 7...a6 8.Qc2 c5 9.bc5 Bc5 10.Bd3 g6 11.0–0 0–0 12.Nd4 Nc6 13.Nc6 Bc6 14.f4 Rac8 15.Rf3 d4 16.Rg3 (better is 16.Be4!?–/+) 16...de3–+ 17.de3 Qf4 18.Nd2?? (18.Qe2–+) 18...Be3 19.Kh1 Bd2 20.Rf1 Qh6 21.Rh3 (21.Be4 Be4 22.Qe4 Bc3 23.Re3–+) 21...Qg5 (better is 21...Qh3! 22.Qd2 Rcd8–+) 22.Rg3 Bg2 (better is 22...Qg3! 23.hg3 Bc3–+) 23.Rg2 Qd5 (23...Rc3 24.Qd2 Qd2 25.Rd2–+) 24.Be4 (24.Qd2 Rfd8 25.Qf4 Rd7+=) 24...Qc5 (better is 24...Qc4 25.Bd3 Qc3 26.Rd2 Qc2 27.Bc2 Rfd8–/+) 25.Bg6?? (better is 25.Qd2 Qc3 26.Qd6+=) 25...hg6 (better is 25...fg6 26.Rd1 Bc3–+) 26.Rg6 (26.Qd2 Qc3 27.Qf4–+) 26...Kh8 (26...fg6 27.Rf8 Qf8 28.Qg6 Kh8 29.Qd3–+) 27.Rh6?? (better is 27.Qd2 Qd5 28.Qd5 ed5 29.Ra6 Rc3 30.Ra5+=) 27...Kg7 (better is 27...Bh6 28.Qd1 Qc3–+) 28.Qh7 1–0. cheesmachine (1900) – Fournier,Frederic (2015), Echecs21, 2003.

5.a3 a6

6.Nc3 Nc6 7.Bd3 Bd6 8.0–0 0–0 9.Qe2 Qe7 10.h3 Ne5. (=1.a3 a6 2.b4 b5 3.Bb2 Bb7 4.e3 e6 5.Nf3 Nf6)

6.c4 Bc6 7.cb5 ab5 (better is 7...Bb5!? 8.Be2 Be2 9.Qe2 d5=) 8.Nc3+/– Bd6 9.Nb5 Bb5 10.Bb5 c6 11.Be2 h6 12.0–0 Qc7 13.d4 Ng4 14.h3 Nf6 15.Rc1 g5 16.Ne5 g4 17.Ng4 Ng4 18.Bg4 Rg8 19.f4 Na6 20.Qf3 0–0–0 (20...Be7 21.f5 Kd8 22.fe6 fe6 23.Qf7 Rg4 24.hg4+–) 21.b5! f5 (21...cb5 22.Rc7 Pinning (22.Rc7 Deflection)) 22.Bh5 (22.ba6?! fg4 23.hg4 Rdf8+–) 22...Nc5 (22...Qb6 23.a4 Rdf8+–) 23.dc5 Be7 24.bc6 dc6 (24...Qc6 25.Qc6 dc6 26.Bf7+–) 25.Bf7 (better is 25.Be5 Qd7 26.Rfd1 Qd5 27.Rd5 ed5+–) 25...Bc5 (25...Rd2 26.Bg8 Rb2 27.Be6 Kb8 28.Rfd1+–) 26.Be6 Kb8 27.Be5 Be3 28.Qe3 Rg2 29.Kg2 Rd6 30.Qb3 Ka8 (30...Ka7 31.Qa4 Kb7 32.Rb1 Qb6 33.Rb6 Kb6 34.Rb1 Kc5 35.Qc2) 31.Qa4 (31.Bd6 Qg7 32.Kh2 Qb7 33.Qa4 Qa7 34.Qc6 Qb7 35.Qa4 Qa6 36.Qa6) 31...Qa7 32.Qa7 (32.Rc4 Rd2 33.Kh1 Rd4 34.Bd4 Qa4 35.Ra4 Kb8 36.Be5 Kb7 37.Rb1) 32...Ka7 33.Bd6 h5 (33...Kb7 34.Rc4 c5 35.Rb1 Kc6 36.Bc5 h5 37.Be7) 1–0. Fournier,Frederic (2090) – guestpnfp, jeu.europe–echecs.com, 2013.

6.c4 d6 7.cb5+/– ab5 8.Bb5 c6 9.Be2 Be7 10.Nc3 d5 11.Qc2 Nbd7 12.0–0 0–0 13.d4 Qc7 14.Rfc1 Rfc8 15.Bd3 g6 16.Qe2 Bd6 17.Nb5! Qb8 (17...cb5 18.Rc7 Pinning (18.Rc7 Deflection; 18.Rc7 Clearance)) 18.Nd6 Qd6 19.Ne5 Nb6 20.Bc3 Ra7 21.Qd2 Ba6 22.Ba6 Ra6 23.b5 (23.Bb2 Ra7+–) 23...Ne4? (better is 23...cb5!? 24.Bb4 Qb8=) 24.Qe1 (24.ba6?! Nd2 25.Bd2 Na4+=) 24...Ra3? (better is 24...cb5 25.Bb4 Rc1 26.Qc1 Qb8+/–) 25.Bb4+– (25.bc6?! Ra1 26.Ba1 f6+/–) 25...Ra1 26.Bd6 (26.Ra1?! c5 27.dc5 Qe5 28.cb6 Qb8+/–) 26...Rc1 27.Qc1 Nd6 28.Nc6 Rc7 29.Qb2 (better is 29.Qc5 Nbc4 30.f3+–) 29...Nbc4+/– 30.Qa2 Nb5 31.Qa8 Kg7 32.h4 h5 33.Ne5 Ncd6 34.Qd8 Nf5? 35.Nd7+– Rd7 36.Qd7 Nc3 37.g3 Ne4 38.Qd8 Nh6 39.Kg2 Nf6? 40.f3+– Nf5 41.Kf2 Nh6 42.Qd6 Nhg8 43.Qf4 Nh7 44.e4 Ne7 45.g4 de4 46.fe4 hg4 47.Qg4 f5 48.Qg2 Nf6 49.ef5 ef5 50.Ke2 Ne4 51.Qh2 Kf6 52.Qe5 Kf7 53.Ke3 Nf6 54.Qc5 Nfd5 55.Kf3 Nf6 56.Qc4 Kg7 ½–½. Fournier,Frederic – Bellemere,David, FRA Ch (Team) N4 Senlis–Abbeville, 1999.

6.d3 d5 7.Nbd2 Nbd7 8.Be2 c5 9.c3 Bd6 10.d4 c4 11.0–0 (11.a4 0–0+=) 11...0–0 (11...a5 12.Qc2+=) 12.Qc2 (12.a4 Nb6+=) 12...Qc7 13.a4 Ne4 14.Ne5 (better is 14.ab5!? ab5 15.Rfe1+=) 14...Nd2 15.Nd7 Rfe8 (better is 15...Bh2!? 16.Kh1 Qd7 17.Qd2 Bd6–+) 16.Qd2+= Qd7 17.f4 (17.a5 Qd8+=) 17...f6 (17...ba4 18.Rfb1–/+) 18.Qe1 (18.a5 e5+=) 18...e5 (18...ba4 19.e4–/+) 19.Bh5+= g6 20.Qg3 Qg7 (20...ba4 21.fe5 fe5 22.Bg6 hg6 23.Qg6 Qg7 24.Qd6 ed4 25.Rf6+/– (worse is 25.ed4 Re2 26.Rf2 Rf2 27.Kf2 Qf8 28.Qf8 Rf8 29.Kg3 Bc6+/–; 25.cd4?! Re3 26.Rae1 Rae8 27.Re3 Re3+=)) 21.fe5 fe5 22.Bg4 Qe7 23.Qh3 ed4 (23...Bc8 24.Bc8 Rec8 25.ab5 ab5 26.Ra5+=) 24.ed4= Qe3 (24...ba4 25.Bc1=) 25.Qe3+= Re3 26.ab5 ab5 27.Ra8 Ba8 28.Bc1 Re8 29.Bh6 Bb7? (29...Re4 30.Bd7 Bh2 31.Kh2 Rh4 32.Kg3 Rh6 33.Be6 Kg7 34.Rf7 Kh8 35.Rf8 Kg7 36.Ra8 Rh5+–) 30.Bd7 Rd8 (30...Re4 31.Rf6 Be7+–) 31.Be6 (31.Be6 Kh8 32.Rf7+–; 31.Bb5?! Rb8+–) 1–0. Meijers,Johannes – Michalowski,Richard, Nord West Cup, 2000. (=1.Nf3 b5 2.b4 e6 3.Bb2 Nf6 4.a3 Bb7 5.e3 a6)

6.d3 d6 7.Nc3 Be7 8.e4 e5 9.Be2 c6 10.0–0 Bc8 (10...0–0!?+=) 11.d4 ed4 12.Nd4 Bb7 (12...0–0 13.Qd2+/–) 13.Bf3 (13.Nf5!? 0–0+–) 13...0–0 14.Nf5 Re8 15.Re1 (15.Qd4 Nbd7+/–) 15...Bf8 16.Qd3 (16.e5 de5 17.Qd8 Rd8 18.Re5 a5 19.ba5 Ra5+/–) 16...Re6?? (16...g6!? 17.Ne3 Nbd7=) 17.Rad1 (better is 17.Ne2 g6 18.e5+–) 17...a5? (17...Nbd7 18.Be2+=) 18.ba5?? (18.e5 ab4 19.Nb5 ba3 20.Ba3 Ba6+–) 18...Ba6? (better is 18...Nbd7!? 19.Ne2 g6+=) 19.Qe3 Qa5 (better is 19...g6 20.e5! Nbd7 21.Bc6 de5 22.Ba8 Qa8 23.Nh6 Bh6 24.Qh6 Bb7 25.Nb5 Qa5+–) 20.Nd4 (better is 20.Ne2+–) 20...Re8+/– 21.Qf4 White prepares the advance e5 (21.Qg5!? h6 22.Qg3+/–) 21...b4+= 22.ab4 Qb4 23.Ba1 Bc4 24.e5?? (better is 24.Nce2+=) 24...de5–/+ 25.Re5 Re5 (better is 25...Ra1!? 26.Ra1 Qc3–/+) 26.Qe5= Nbd7 27.Qg5? (better is 27.Qe3 Re8 28.Ne4=) 27...Bd5?? (better is 27...Ra1!? 28.Ra1 Qc3–+) 28.Bd5?? (28.Nd5 cd5 29.Nf5+/– (29.Bd5?? Ra1 30.Ra1 Qd4 31.Bf7 Kf7–+)) 28...cd5 (28...Ra1!? 29.Ra1 Qd4 30.Bf7 Kf7–/+) 29.Nf5+= (worse is 29.Nd5 Ra1 30.Ra1 Qd4 31.Nf6 Nf6–/+) 29...Kh8 30.Nd5 Ra1 31.Ra1 Nd5 32.h4 N7f6 33.Ra8 g6 34.Qh6?? (better is 34.Nh6=) 34...Ng8 (better is 34...Qe1 35.Kh2 Ng4 36.Kh3 Nh6 37.Rf8 Ng8–+) 35.Rf8 (better is 35.Qf8!? Qf8 36.Rf8 gf5 37.c4+–) 35...gf5= 36.Rd8 Qe1 37.Kh2 Qe5 38.g3 Ndf6 39.Qd2 Ng4 40.Kg2 Qe7 41.f3 Ne3 42.Kh2?? (42.Kf2!? Nc2 43.Qc3 f6 44.Ra8+=) 42...Qe5 (better is 42...Nf1 43.Kg2 Nd2 44.Rd2 Nf6–+) 43.c3?? (better is 43.Qd7 Kg7 44.Re8=) 43...Nf1–+ (43...Nf1 44.Kg2 Nd2 45.Rd2 Nf6–+) 0–1. preethan (2135) – grahamtrue (2165), net–chess.com, 2015.

6.d4 d5 7.Bd3 Bd6 8.0–0 Nbd7 9.Nbd2 0–0 10.Ne5 Nb6 (10...Ne4 11.Ne4 de4 12.Be2=) 11.c3 (11.Qf3 Na4 12.Ra2 Nb2 13.Rb2 Ra7=) 11...Na4+= 12.Rb1 c5 13.Ba1 c4 14.Bc2 Nb6 15.Re1 (15.f4 a5+=) 15...Nbd7 (15...a5 16.Qf3+=) 16.Nd7 Qd7 17.e4 de4 18.Ne4 Ne4 19.Be4 Be4 20.Re4 a5 21.Bb2 ab4 (21...Qc6 22.Rh4+=) 22.ab4+= Ra2 ½–½. Lowry,Paul – Jirousek,Jim, corr or01–010 E–mail, 2001.

6.d4 Bd6 7.Bd3 +=.

6.d4 Be7 7.c4 =.

6.d4 Be7 7.Bd3 0–0 8.0–0 Ne4 (8...Nc6 9.c3+=) 9.Nbd2 (9.c3 Bd5+=) 9...Nd2 (9...f5 10.c3+=) 10.Nd2+= Bf6 (10...f5 11.e4+=) 11.c4 (11.a4+/–) 11...c6 (11...bc4!? 12.Nc4 Nc6+=) 12.c5 (12.a4 d6+/–) 12...d6 (12...a5!?+/–) 13.cd6+– Qd6 14.Ne4 (14.Qc2 Nd7 15.Bh7 Kh8+–) 14...Qe7 15.Nf6 Qf6 16.f4 Rd8 (16...Nd7 17.Qc2 Qh4 18.Rf3+–) 17.Rf3 (17.Qc2 Qh4+–) 17...Nd7 (17...g6 18.Qc2 Qe7 19.Qc3+–) 18.Rh3 (18.Qc2 g6 19.d5 Qe7+–) 18...g6+/– 19.Rb1 (19.Qd2 Qe7+/–) 19...Qe7 (19...a5 20.Qe1 ab4 21.Qb4+/–) 20.d5 (20.Qd2 Nb6+/–) 20...cd5? (better is 20...ed5!? 21.Qg4 Re8+=) 21.Rh7+– Kh7?? (better is 21...Nf6 22.Rh3 Kg7+–) 22.Qh5 Kg8 23.Qh8 1–0. marcosramos (2410) – grahamtrue (2065), net–chess.com, 2007.

6.d4 Be7 7.Be2 0–0 8.0–0 Ne4 9.c4 bc4 10.Bc4 d5 11.Bd3 Bf6 (11...a5!? 12.b5 c6=) 12.Nbd2 Re8 13.Qb3 Nd2 14.Nd2 e5 15.de5 Be5 16.Nf3 Bb2 17.Qb2 c6 18.Qc2 Nd7 (better is 18...h6!?+/–) 19.Bh7+– Kf8 20.h4 (better is 20.Bf5+–) 20...Ne5?? (20...Qf6 21.Bd3+/–) 21.Ne5 (better is 21.Qc5 Qe7 22.Ne5+–) 21...Re5+/– 22.Rfe1 (22.Qc5!? Qe7 23.Bd3+/–) 22...Qh4 23.Kf1?? (23.Bf5 g6 24.Bd7 Rh5=) 23...Rh5 (better is 23...g6!? 24.Bg6 fg6 25.Qg6 Rae8–/+) 24.Qc5= Ke8 25.Bd3 d4?? (better is 25...g6=) 26.Qd4 (better is 26.ed4 Kd7 27.Bf5 Rf5 28.Qf5 Kc7 29.Qf7 Kb6 30.Qg7 Qh1 31.Ke2+–) 26...Qh1 27.Ke2 Qg2 28.Rg1 c5 29.Qc4?? (better is 29.Qf4 Qd5 30.Bc4+–) 29...Bf3–+ 30.Kd2 Qf2 31.Kc3 Kf8 32.Rgf1–/+ Qe3 33.Rae1 Qd4 34.Qd4 cd4 35.Kd4 Rd5 36.Kc3 Rc8 37.Bc4 Rf5 38.Kb3 Bg4 39.Rh1 Rh5 40.Rh5+= Bh5 41.Ba6 Rc7 42.b5 f5 43.b6 Bf7 44.Kb4+– Rc2?? 45.Rb1 Ba2?? 46.Bd3 Rc6?? 47.b7 Rb6 48.Ka5 (48.Ka5 Rb7 49.Rb7+–; 48.Kc5!? Rb7 49.Rb7 Be6+–) 1–0. Steingraeber,Barbara – Ritschel,Stephan, RSX9E–A00–Sokolsky–1, 2002.

6.Be2 d5 7.d3 (7.0–0 c5 8.a4 c4=) 7...Nbd7 8.0–0 Be7 9.Nbd2 0–0 10.Rc1 (10.Nb3 Rb8=) 10...Rc8 (10...a5 11.Rb1=) 11.c4 bc4 12.dc4 dc4 (12...c5 13.Qb3=) 13.Nc4+= c5 14.bc5 (14.Nd6!? Bd6 15.Qd6+=) 14...Nc5= 15.Qd8 Rfd8 (worse is 15...Bd8 16.Nd6 Bf3 17.Bf3+=) 16.Rfd1 Rd1 17.Rd1 (worse is 17.Bd1 Nd3 18.Bf6 Nc1 (18...gf6?! 19.Rc2=; 18...Bf6?! 19.Rb1 Bd5 20.Nfd2+=) 19.Be7 Bf3 20.Bf3 Rc4–+) 17...h6 (17...Na4 18.Bd4=) 18.h3 (18.Nd6 Bd6 19.Rd6 Ne8=) 18...Nce4 19.Nd4 Ng4?? (better is 19...Bd5 20.Rc1 Rb8=) 20.hg4+– (20.Bg4?! Rc4 21.Kf1 Bd5=) 20...f5 (20...Rb8+–) 21.gf5 (21.Ne6 Bf6 22.gf5 Bb2 23.Nb2 Nc3+–) 21...ef5 (21...Bd5 22.Ne5 Bh4 23.f3+–) 22.Nf3 (better is 22.Nf5 Bf8+–) 22...Bf6 (22...Bc6 23.Rc1 Bb5 24.Nd4+–) 23.Bf6 gf6 24.Rc1 (24.Na5 Nc3 25.Bc4 Kh8+–) 24...Kf7 (24...Bd5 25.Kf1+–) 25.Bf1 (25.Nd4 Kg6+–) 25...a5 (25...Kg6 26.Rb1 Rc7 27.Rb6+–) 26.a4 (26.Nd4 Kg6 27.Rb1 Bd5 28.Na5 Nd2+–) 26...Ba6 (26...Kg6 27.Rc2+–) 27.Rc2 Bc4 28.Rc4 Rc4 29.Bc4 (29.Bc4 Ke7 30.Nd4+–) 1–0. Fournier,Frederic (1850) – chanstef (1860), Active, 2007.

6.Be2 Bd6 7.0–0 Ng4 8.h3 Bf3?? (better is 8...Nf6=) 9.Bf3+– (9.gf3?! Nh2 10.Re1 Qg5 11.Kh1 Qh6=; 9.hg4?? Qh4 10.Be5 Be5 11.Re1 Qh2 12.Kf1 Qg2) 9...Nh2 (9...c6 10.Bg4 0–0 11.Bf3+–) 10.Ba8 c6 (10...Nf1 11.Qg4 Rg8 12.Kf1 g6+–) 11.Re1 Qc7 12.f4 1–0. kiloracer (1755) – skelly (1860), net–chess.com, 2005.

6.g3 Be7 7.Bg2 d6 8.d3 Nbd7 9.Nbd2 0–0 10.0–0 c5 11.c4 cb4 12.ab4 bc4 13.dc4 Qc7 14.Qb3 Rfb8 15.Rfc1 Nc5 16.Qc2 (worse is 16.bc5 Bf3 17.cd6 Bd6–/+) 16...Nce4 17.Ba3 d5 18.Ne4 Ne4 19.Nd4 Nf6 20.Rab1 dc4 21.Qc4 Qc4 22.Rc4 Bg2 23.Kg2 Rb7 24.Rbc1 g6 25.Rc7 Rc7 26.Rc7 Bf8 27.Nc6 Nd5 28.Rb7 Rc8 29.Ne5 f6 30.Nd7 Bg7 31.Nc5 ½–½. Lopez Peral,Enrique (1895) – Martin Martin,Luis Vicente (2085), Madrid–ch Previa–A, 2008. (=1.Nf3 b5 2.b4 Bb7 3.Bb2 Nf6 4.a3 e6 5.e3 a6)

6.c4 bc4

7.Bc4 a5 8.ba5 Nc6 9.d4 (9.0–0 Na5 10.Be2 Be7=) 9...Na5 10.Ba2 (10.Bd3 Rb8 11.Bc3 Bf3 12.gf3 c5=) 10...Ba6 (10...Be7 11.Nc3=) 11.Nbd2 Be7 12.Rc1 (12.Ne5 0–0=) 12...0–0 (12...Nc6 13.Qc2=) 13.Qc2 Qb8 14.Bb1 (better is 14.d5=) 14...Qb5–+ 15.Nf1 (15.Ng1 Rfb8 16.Bc3 Ba3–+) 15...Rfb8 16.Bc3 Ba3 17.Rd1 d5 (better is 17...Ne4 18.Ne5 Nc3 19.Qh7 Kf8 20.Bd3–+) 18.g4? (18.Ng3 Nc4–+) 18...Bb4 (better is 18...Ne4 19.Ne5 Nc3 20.Qh7 Kf8 21.Bd3–+) 19.Bb4 Qb4 20.N1d2 Ne4 (better is 20...Nc4 21.Rc1 Ne4–+) 21.Ne5?? (better is 21.Ba2–+) 21...Nd2 (21...Nc4 22.Nec4 Bc4 23.Qc1 Nd2 24.Bh7 Kh7 25.Qd2 Qd2 26.Rd2 Rb1 27.Rd1 Rd1 28.Kd1 Ra1 29.Kd2 Rh1 30.h4 Rh4 31.Kc3–+) 22.Qh7 (22.Qd2 Qb1 23.Qa5 Qe4–+) 22...Kf8 23.Ng6 (23.Rd2 Qb1 24.Qb1 Rb1 25.Rd1 Rd1 26.Kd1–+) 23…fg6 (23...fg6 24.Qh8 Ke7 25.Qg7 Kd6 26.Qe5 Kd7 27.Qg7 Kc8–+) 24.Qh8 Kf7 25.Bg6 Kg6 26.Qh5 Kf6 27.Qe5 Kf7 28.Qh5 (28.Qc7 Kg8 29.Rd2 Nc4–+) 28…Kg8 (28...Kg8 29.Rd2 Nb3 30.Qf7 Kf7 31.e4 Qd2) 0–1. Tuchtenhagen,Harald – Roever, corr SOK–88–19, 1988.

7.Bc4 a5 8.b5 c6 9.0–0 (9.Nc3 d5 10.Be2 Bd6 11.0–0 0–0 12.Qa4 c5) 9...d5 10.Be2 Bd6 11.Nc3 0–0 12.Qa4 c5.

7.Bc4 a5 8.b5 d5 9.Be2 Bd6 (9...c5 10.0–0 Bd6 11.d3 0–0 12.Nc3 Nbd7; 9...Be7 10.0–0 c5 11.d3 0–0 12.Nc3 Nbd7; 9...c6 10.0–0 Bd6 11.Nc3 Nbd7 12.Qa4 Rc8) 10.0–0 c6 11.Be5 (11.Nc3 0–0 12.Qa4 c5) 11...0–0 12.Bd6 Qd6 13.a4 Nbd7 14.Nc3 cb5 (14...Ne4 15.Rc1=) 15.ab5 (15.Nb5 Qe7=) 15...Rfc8 16.Qc2 (16.Na4 Rc7=) 16...Ne4 17.Rfb1 Nb6 (17...e5 18.Bd3+=) 18.Bd3 (18.Qd3 Nc5 19.Qd4 a4=) 18...h6 19.Be4 (19.Ne4?? de4 20.Qb3 a4–+) 19...de4 20.Nd4 Rc4 21.Qd1 a4 22.Qg4 Qe7 23.g3 (23.Qh5 Qf6+=) 23...Rac8 24.Ra2 (24.Ne4? f5 25.Qg6 fe4 26.Ne6 Qf7–+) 24...e5 25.Nf5 Qf6 26.Nh4 g6 27.Ng2 Qd6 28.Qh4 (28.Qd1 Ra8–/+) 28...Kh7 29.Rc2 R8c5 30.Qg4 f5 31.Qe2 (31.Qd1 Bd5–/+) 31...Qd3 (31...Nd5 32.Ra1–/+) 32.Qd1 Nd5 33.Ne1 Nc3 34.Rc3 Qd5 35.Qc2 a3 (35...Rc8 36.Qb2+=) 36.b6 (36.Rbb3 a2 37.Ra3 Rc3 38.dc3 Rb5=) 36...Rc3–/+ 37.dc3 a2 (37...Qc4 38.Rd1 a2 39.Qb2+=) 38.Ra1= Rc6 39.Ra2 Rb6 40.c4 Qc5 41.Qd2 Rb1 42.Qe2 Kg7 43.Ra4 Bc6–/+ 44.Ra2 Rb4 45.Rc2 Bd7 46.f3 Rb3 47.Kf2 f4–+ (47...f4 48.gf4 ef4–+) 0–1. Machete99 (2180) – Arioch (2095), ICC, 2002.

7.Bc4 a5 8.b5 Be7 A) 9.Nc3 d5 (9...0–0 10.0–0 c6 11.Rc1 d5 12.Be2 cb5; 9...c6 10.0–0 0–0 11.Rb1 d5 12.Be2 cb5) 10.Be2 c5 11.d3 0–0 12.0–0 Nbd7; B) 9.0–0 0–0 10.Nc3 c6 11.Rb1 d5 12.Be2 cb5.

7.Bc4 d6 8.Nc3 (8.0–0 d5 9.Be2 c5+=) 8...Nbd7 9.d4 (9.0–0 d5 10.Be2 Bd6+=) 9...Be7 (9...c5 10.bc5 dc5 11.0–0=) 10.0–0 0–0 11.Qe2 Nb6 (11...a5 12.ba5 Ra5 13.Rfb1=) 12.Bd3 Nbd5 13.Qc2 (13.Rac1 Qd7+=) 13...Nc3 14.Bc3 h6 (14...Bf3 15.gf3 Qd7 16.e4+=) 15.Rac1 (15.e4 d5 16.e5 Ne4+/–) 15...Qd7 (15...Bf3 16.gf3 d5 17.e4+=) 16.Bb2 (16.e4 d5 17.e5 Ne4+=) 16...Rfc8+= 17.Rfd1 (17.Qe2 c5+=) 17...a5= 18.b5 (18.ba5 Bf3 19.gf3 Ra5=) 18...c6 19.Qe2 cb5 20.Bb5 Bc6 (better is 20...Bf3!? 21.gf3 Qd8=) 21.Rc6+/– Rc6 22.d5! (22.Bc6?! Qc6 23.Rc1 Qb7=) 22...Rc2 (22...Nd5 23.Nd4) 23.Qc2 (worse is 23.Bd7 Re2 24.Bf6 A) worse is 24...gf6 25.Nd2+= (25.de6?! Rb8=); B) 24...Bf6–/+) 23...Qb5 24.Bf6 Bf6 25.de6 fe6 26.Rd6 (26.Qe4 Re8+/–) 26...Rb8 27.g3 (27.h3 Be7 28.Rd3 Qb1 29.Qb1 Rb1 30.Kh2 Ra1+=) 27…Qb1 ½–½. Pagni,Carlo Alberto – Rosenhahn,Eberhard, ICCF TT–4–90–SF1, 1992.

7.Bc4 d6 8.d4+= Nbd7 9.0–0 Be7 10.Nbd2 0–0 11.Qc2 Nb6 (11...c5 12.bc5 dc5 13.Rfb1=) 12.Bd3+= Qd7 13.Ng5 (13.e4 Na4+=) 13...h6 14.Nh7 Rfc8 (14...Nh7 15.Bh7 Kh8 16.Bd3+=) 15.Nf6 Bf6 16.Rac1 (16.Rab1 Be7+=) 16...Na4 (16...a5 17.Ne4+=) 17.Ne4 (17.Bh7 Kh8 18.Be4 d5=) 17...Be7 18.Rfd1 Nb2 19.Qb2 Bc6 20.Qd2 g6 (20...Bb7 21.Rc2+=) 21.Nc3 Bf6 22.Bc2 (22.Qe2 Bb7+=) 22...a5= 23.ba5 Ra5 (23...Bg7!?=) 24.Ne4+/– Rf5 25.Nf6 Rf6 26.e4 g5 27.Qc3 Ba4 (27...Rf4 28.f3 Ba4 29.Ba4 Qa4 30.Rb1+/–) 28.Rd2 Bc2 29.Rdc2 Qa4 30.Qe3 Ra8 31.Rc3 c5 32.dc5 dc5 33.f3 Qd4+= 34.Qd4 cd4= 35.Rc8 Rc8 36.Rc8 Kg7 37.Re8 e5 38.Re5+/– Ra6 39.Rd5 Ra3 40.Rd4 Ra2 41.Rd5 Rb2 42.h4 Kg6 43.Kh2 Re2 44.Rd4 gh4+= 45.Kh3 Rf2 46.Rd5 Re2 47.Rf5 Rf2 48.Rf4 h5 49.e5 Re2 50.Rf6 Kg7 51.f4 Re1 52.Kh4 Rh1 53.Kg3 h4 54.Kf2 h3 55.Rf5 hg2 56.Rg5 Kf8 57.Kg2 Re1 58.Rf5 Ke7 59.Rf6 Re3 60.Kf2 Rb3 61.Rd6 Ra3 62.Ke2 Rb3 63.Ra6 Rc3 64.Kf2 Rb3 65.Kg2 Rc3 66.f5+– Rc5 67.f6 Ke8 68.Ra8 Kd7+= 69.Kf3 Re5 70.Kf4 Rb5 71.Ra7 (71.Ke4 Rb1+=) ½–½. Zylla,Johannes – Rosenhahn,Eberhard, corr ICCF TT–4–90–SF1, 1992.

7.Bc4 Qe7 8.d4 (8.Nc3 c5+=) 8...d5 (8...g6 9.Nc3+=) 9.Bd3+/– Qd8 10.0–0 (10.Nc3 Bd6+=) 10...g6 (10...Bd6 11.Nbd2+/–) 11.Nbd2+/– Bh6 (11...Be7!?+/–) 12.Nb3+– 0–0 13.Qe2 (13.Na5 Bc6+–) 13...Nbd7 (13...c6 14.Na5 Qb6 15.Rac1+–) 14.Rfc1 Nb6 (14...c6 15.Na5 Qc7 16.Ne5 (worse is 16.Nb7 Qb7 17.Ne5 Rfc8+/–) 16...Ne5 17.de5+–) 15.Na5 (better is 15.Nc5 Qc8 16.Ne5+–) 15...Na4?? (better is 15...Bc8+–) 16.Nb7 Qe7 (16...Qb8 17.Na5+–) 17.Nc5 Nb2 (17...Nc5 18.Rc5 Ne4 19.Rc6+–) 18.Qb2 c6 (18...a5 19.b5+–) 19.Na6 Bg7 (19...Rfc8 20.Ne5 Qd6 21.Nc5+–) 20.Rc6 Rac8 (20...Rfc8 21.Rac1 Rc6 22.Rc6+–) 21.Rc8 (21.b5!? Rc6 22.bc6 Ne4+–) 21...Rc8 22.Nc5 Ne4 (22...Nd7 23.Nd7 Qd7 24.a4+–) 23.Be4 de4 24.Ne4 f5 (24...Rb8 25.Rc1+–) 25.Nc5 h6 (25...Bf6 26.a4+–) 26.Qb3 Kh7 (26...Qf7 27.a4 Re8 28.a5+–) 27.Qe6 Qe6 28.Ne6 Bf6 (28...Re8 29.Ng7 Kg7 30.b5+–) 29.b5 Rd8 (29...Rb8 30.Rb1 f4 31.ef4+–) 30.a4 (better is 30.Nd8 Bd8 31.a4 Ba5+–) 30...Re8 31.Nc5 g5 32.b6 g4 33.Ne5! Be5 34.de5 Re5 35.b7 Re8 36.a5 Rb8 37.a6 h5 38.Nd7 1–0. einaar (2175) – ajeffries (1800), net–chess.com, 2008.

7.Bc4 g6 8.0–0+= Bg7 9.Nc3 0–0 10.d4 Re8 (10...Nc6 11.Qe2+=) 11.Re1 (11.Bd3 Nc6+/–) 11...d5 12.Bd3 Qd6 (12...Nbd7 13.Qc2+/–) 13.Ne5 (13.Qc2 Nbd7+=) 13...Nbd7 14.Rb1 Re7 (14...Rad8 15.f4+=) 15.Na4+/– c6 (15...Rb8 16.Nc5+/–) 16.Nc5 Qc7 17.a4 (17.Rc1 Ne5 18.de5 Nd7+/–) 17...Nc5 (17...Ne5 18.de5 Nd7 19.f4+= (19.Nb7?! Qb7 20.Qc2 Ne5=)) 18.bc5+/– (worse is 18.dc5 a5=) 18...Nd7 (18...Rb8 19.Bc3+/–) 19.Nd7 Qd7 20.Bc3 e5 (20...f6 21.Rb6+/–) 21.de5 Be5 22.Be5 Re5 23.Rb6 a5 24.Qa1 Re6 25.Reb1 Ra7 (25...Bc8 26.Qc3+/–) 26.Qb2 Re7 27.Qc3 Qe6 28.h3 (28.R1b5 Qg4 29.Ra5 Qd1 30.Bf1 d4+–) 28…f5 ½–½. Deneuville,Christian – Beauvineau,Arnauld, AJEC TH6/02, 1996.

7.Bc4 c5

8.b5 ab5 9.Bb5 Ba6 10.Nc3 Qb6 11.Ba6 Qa6 (worse is 11...Qb2 12.Rb1 Qa3 13.Bb7+/–) 12.a4 Be7 13.Nb5 Qb6 14.Rb1 Nc6?? (better is 14...0–0=) 15.Bf6+– Bf6 (15...0–0 16.Be7 Ne7+–) 16.Nd6 (16.Nd6 Ke7 17.Nf5 ef5 18.Rb6+–) 1–0. Fritz 11 – anony, internet, 2013.

8.b5 d5 9.ba6 Bc6 10.Be2 Na6 11.Ne5 Bb7 (11...Qb6 12.Qc2=) 12.Bb5 Ke7 13.0–0 Qb6 14.a4 Nc7 15.Nc3 Nb5 16.Nb5 g6? (16...Ke8!?+=) 17.Qf3 (better is 17.d4!? Ke8 18.Qf3 Qd8 19.dc5 Bc5 20.Ng6 fg6 21.Qf6 Qf6 22.Bf6 Rf8 23.Nc7 Kf7 24.Na8 Kf6+–) 17...Bg7+/– 18.d4 Ra4 19.Ra4 Qb5 20.Raa1 Ra8 21.Ba3 Ra3 (21...Ke8 22.Rab1 Qa6 23.Bc5+–) 22.Ra3 c4 (22...Qb6 23.Raa1 Qd6 24.Rfb1+–) 23.Rfa1 (better is 23.Raa1!? Qe8 24.Rfb1 Ba8+–) 23...Kf8 24.h4 (24.Qd1 Qe8 25.Ra7 Bc6+–) 24...h5 (24...h6 25.Qd1 Qe8 26.Ra7+–) 25.Qf4 (25.Qd1!? Qe8 26.Ra7 Bc8+–) 25...Kg8 26.f3 (better is 26.Ra7 Qb2 27.Kh2+–) 26...Bc6 (26...Qb2+–) 27.Ra5 (worse is 27.Nc6 Qc6 28.Ra8 Kh7+–) 27...Qb7 (27...Qb8 28.Nc6 Qf4 29.ef4+–) 28.Ra7 Qb6 29.Rf7 Qb2 (29...Be8 30.Rf6 Kh7+–) 30.Raa7 Nd7 31.Rg7! Kg7 32.Qf7 (32.Qf7 Kh8 33.Ng6) 1–0. Otte,Marco – Jongepier,Jos, Wag.Intcomp, 1996.

8.bc5 Bc5

9.0–0 0–0 10.d4 Ba7 11.Nbd2 Nc6 12.Rb1 Na5 (12...d5 13.Bd3+=) 13.Bd3 h6 (13...Nd5 14.Qe2+/–) 14.Qe2 d5 15.Bc3 (15.Ba6?! Ba6 16.Qa6 Bd4=) 15...Bc8 16.Ba6 (16.Bb4 Re8+/–) 16...Ba6 17.Qa6 Nc4 18.Bb4 (18.Qc6 Na3 19.Rb3 Nc4+=) 18...Bc5 (better is 18...Bd4!? 19.Qc6 Rc8=) 19.Qc6 Na3? (better is 19...Bb4!? 20.ab4 Rc8+=) 20.Bc5+– Nb1 21.Rb1 Qc8 22.Ne5 (22.Qd6 Rd8 23.Qf4 Qd7+–) 22...Re8 (22...Qc6 23.Nc6 Rfe8 24.Nb3+–) 23.h3 (23.Qb5 Ra2 24.Qd3 Qc7+–) 23...Qc6 (23...Ra2 24.Ndf3+/–) 24.Nc6 Ra2 25.Rd1 Ne4 (25...Rea8!?+/–) 26.Ne4+– de4 27.g4 g5 28.d5 ed5 29.Rd5 Rc2 30.Ne7 (30.Kg2 Ra8+–) 30...Kh7+/– 31.Nf5 Rc4 32.Bd4 Rc7 (32...Rc2 33.Kg2+–) 33.Bg7 (33.Rd6 Re6+–) 33...h5 (better is 33...Kg6+–) 34.gh5 g4 (34...Rg8 35.Bf6 g4 36.hg4 Rg4 37.Kh2 Rc2+–) 35.hg4 Rg8 36.h6 (36.h6 Re8 37.Nd6+–) 1–0. Gorzel,S – Roever,L, corr SOK–89–34, 1989.

9.0–0 Be7 10.Nc3 0–0 (10...d5 A) 11.Bd3 Nc6 (11...0–0 12.Qc2 Nbd7 13.Rab1 Rb8 14.Rfc1 Qa5; 11...Nbd7 12.Rb1 0–0 13.Qc2 Rc8 14.Rfc1 Ne4) 12.Rb1 Rb8 13.Qa4 Qa5 14.Qa5 Na5; B) 11.Qb3 dc4 (11...Nbd7 12.Qb7 dc4 13.Qc6 Qc8 14.Qa4 0–0) 12.Qb7 Nbd7 13.Qc6 Qc8 14.Qa4 0–0; C) 11.Be2 Nc6 (11...0–0 12.Rb1 Nbd7 13.Nd4 Rb8 14.Qc2 Qa5) 12.Rb1 0–0 13.Na4 Qc7 14.Qc2 Nd7) 11.Qe2 (11.d4 Qa5= 12.Bd3 Rc8 13.e4 Rc3 14.Qe1 Ne4) 11...Nc6 (11...d5 12.Bd3 Qd6 13.Rab1 e5 14.e4 d4) 12.Rfc1 (12.d4 d5 (12...Na5 13.Ba2 Rc8 14.Rfc1 d5) 13.Bd3 Qa5= 14.Rab1 Rfc8) 12...Qa5 (12...d5 13.Bd3= e5 14.Bc2 Rb8) 13.d4 Rfc8 (13...d5 14.Bd3 Rab8) 14.Bd3 Rab8 (14...d5=) 15.Nd2 (15.e4 d5=) 15...Qg5 (15...d5 16.Rab1=) 16.Nce4 (worse is 16.Ba6 Nd4 17.Qf1 Ba6 18.Qa6 Rc6+=) 16...Ne4 17.Ne4 Qd5 18.Nc3 (18.f3!?+=) 18…Qa5 ½–½. Chirpii,Alexandru (1650) – Zaharie,Ioan (2125), Centrocoop June op–B, 1998.

9.0–0 Be7 10.d4 A) 10...Nc6 A1) 11.d5 Na5 (11...ed5 12.Bd3 Qb6 13.Nc3 0–0 14.Rb1 Qa5) 12.Ba2 Rc8 13.Nc3 h6 14.Rc1 Qb6; A2) 11.Qe2 0–0 (11...d5 12.Bd3 0–0 13.Nbd2 Rb8 14.Rfc1 Qb6) 12.Bd3 Qa5 13.Nbd2 Rab8 14.Rfb1 Qa4; A3) 11.Bd3 0–0 12.Nc3 Rb8 13.e4 d5 14.e5 Ne4; A4) 11.Nc3 Rb8 (11...d5 12.Bd3 0–0 13.Qa4 Qa5 14.Qc2 Rfc8; 11...Rc8 12.Qd3 Nb8 13.d5 Qc7 14.Bb3 0–0) 12.Rb1 d5 13.Bd3 0–0 14.Qc2 Qc7; B) 10...0–0 11.Nc3 Qa5 12.Bd3 Rc8 13.e4 Rc3 14.Qe1 Ne4.

9.0–0 Be7 10.Bf6 Bf6 11.d4 Nc6 12.Nbd2 Be7 13.Qe2 Qc7 14.e4 0–0.

9.d4 Bb6 10.0–0+= 0–0 11.Nbd2 (11.Nc3 Ba5+=) 11...Ng4 (11...d5 12.Bd3+=) 12.d5 (12.Bd3 f5+=) 12...ed5 (12...Bd5 13.Bd5 ed5 14.Qa4+=) 13.Bd3+/– Nf6 (13...Nc6 14.Qc2+/–) 14.Qc2 h6 (14...Ne4 15.Rab1 Re8 16.Ba1+/–) 15.Rab1 Nc6?? (better is 15...a5+/–) 16.Bf6+– gf6 17.Qb3 Ba5 (17...Be3 18.fe3 (18.Qb7?! Bc5+–) 18...Qe7 19.Bc2+– (19.Qb7?! Rfb8 20.Qc7 Qe3 21.Kh1 Qd3+–)) 18.Qb7 Bd2 19.Nd2 Ne5 (19...Ra7 20.Qb2+–) 20.Qd5 (20.Ba6?! Qa5+–) 20...Rc8 (20...Nd3 21.Qd3 d5 22.Rb4+–) 21.Ba6 Rc2 (21...Ra8 22.Qd6+–) 22.Ne4 Kg7 (22...Qe7 23.Rfd1+–) 23.Bb7 Qc7 24.Nd6 Rc5 (24...Rb8 25.Rfd1 Qc5 26.Qc5 Rc5 27.h3+–) 25.Qd4 Ng6 (25...Rb8 26.Be4 Ra5 27.Rb8 Qb8 28.Rb1+–) 26.Be4 Kh7 (26...Ne5 27.Nf5 Kh7 28.Qd1+–) 27.Rb7 Qa5 28.Qf6 Qd8 29.Qd8 Rd8 30.Nf7 Rf8 (30...Rg8 31.Rd7 Rg7 32.Rb1+–) 31.Rd7 Kg8 32.Nh6 Kh8 33.Bg6 Rc6 1–0. Trkn – guest6212, ICC, 2004.

9.d4 Bb6 10.Nc3 0–0 11.0–0 Ba5 12.Rb1 Bc3 13.Bc3 Bc6 14.Bd3 a5 15.Ne5 Bd5 16.f3 Nc6? (better is 16...d6 17.Ng4 Ng4 18.fg4 f5+/–) 17.e4+– Ne5 (17...d6 18.Ng4 Ng4 19.fg4 (19.ed5?! Ne3 20.Bh7 Kh8=) 19...Be4 20.Be4+–) 18.de5 Nh5 (18...Rc8 19.Qd2 (19.ed5?! Rc3 20.ef6 Qf6+–) 19...Qe7 20.ef6 Qc5 21.Rf2 Qc3 22.fg7 Kg7 23.ed5 Qa3 24.de6 de6 25.Qg5 Kh8 26.Qf6 Kg8 27.Rd1+–) 19.ed5 ed5 (19...Nf4 20.Qc2+–) 20.Qd2 (20.f4!? Qe7 21.Rb5 g6+–) 20...Qe7 21.Rfc1 d6 22.g4 de5 23.gh5 e4 (23...Rfc8 24.Rb5 Rc5 25.Rcb1+–) 24.fe4 de4 25.Qg2 f6 26.Be4 Rad8 (26...Rab8 27.h6 Rb1 28.Bd5 (28.Bb1?! Qe3 29.Qf2 Qc1 30.Qe1 Qg5 31.Kh1 Qh6+=; worse is 28.Rb1 Rd8 29.Qg7 Qg7 30.hg7 Kg7+–) 28...Kh8 29.hg7 Qg7 30.Rb1+–) 27.Rb7 Qa3 (27...Rd7 28.Bf6! Rb7 29.Be7 Re7+–) 28.Qg7 1–0. b4_player – hannam, casual, 2013.

9.d4 Bd6 10.0–0 =.

9.d4 Bd6 10.Nbd2 0–0 11.0–0 Qb6 12.Rb1 ½–½. Fournier,Frederic – Grillon,Jean Marie, AJEC TH6/02, 1996.

9.d4 Be7

10.0–0 0–0 11.Nc3 =.

10.0–0 0–0 11.Nbd2 a5 12.Qb3 Bf3 13.Nf3 d5 14.Bb5 Nbd7 15.Rfc1 Qb8 (15...Rb8 16.Rab1+=) 16.a4 Nb6 17.Ba3 Ba3 18.Qa3 Ne4 19.Rab1 Qa7 20.Qd3 (20.Ne5 f6 21.Nc6 Qb7+/–) 20...Rac8 21.Ne5 Nd6 (21...Rc1 22.Rc1 Rb8 23.f3+/–) 22.Nc6+/– Qd7 (22...Qc7 23.Ba6 Ra8 24.Ne5+=) 23.Na5 Rc1 24.Rc1 Nb5 25.Qb5 Rc8 26.Rc8 Qc8 27.Nc6 Qc7 28.a5 Nc8 (28...Nd7 29.a6 Qb6 30.a7 Qb5 31.a8Q Nb8 32.Qb8 Qb8 33.Nb8+–) 29.Qc5 (29.a6 Qb6 30.Qb6 Nb6+–) 29...h6? (29...Qb7 30.Nb4+–) 30.g3 (30.a6 Nd6 31.h3 Ne8+–) 30...f6 (better is 30...Qd7+–) 31.a6 Qb6 (31...Kh7 32.Ne7 Qc5 33.dc5 Na7+–) 32.Ne7 Kf7 33.Qc8 Ke7 (33...Qb1 34.Kg2 Qe4 35.Kh3+–) 34.Qb7 (34.Qb7 Qb7 35.ab7+–) 1–0. Cebolla Moli,Ricardo – Gil Capape,Javier (2335), Cajas op, 1989.

10.0–0 0–0 11.Nbd2 d5 12.Bd3 Nbd7 (12...Nc6 13.Rb1=) 13.Rb1 a5 (13...Rb8 14.Qe2=) 14.Qb3 (14.Qe2 Rb8+=) 14...Ba6 15.Ne5 (15.Ba6 Ra6 16.Rfc1 Rb6=) 15...Ne5 (15...Rb8 16.Qc2 Bd3 17.Qd3 Ne5 18.de5=) 16.de5 Nd7 (16...a4 17.Qc2 Rc8 18.Bc3 Bd3 19.Qd3+=) 17.Ba6 Ra6 18.Bd4 a4 (18...f6 19.ef6 Bf6 20.Rfc1=) 19.Qb7 (19.Qb5 Ra8 20.Qd3 f6 21.ef6 Bf6=) 19...Ra8 20.e4 (20.Qb2 Rb8 21.Qc2 Ba3 22.Rb8 Qb8 23.Qa4 Qb4=) 20...Nc5 (20...de4!? 21.Nc4 Rc8=) 21.Bc5= Bc5 22.Rfc1 (22.ed5 Qd5 23.Qd5 ed5 24.Ra1+=) 22...Ba3–/+ 23.Rc3 Qa5 (23...Be7 24.ed5 ed5 25.Rb5–/+) 24.Ra3 Qd2 25.ed5 (25.Qd7 Qc2 26.Re1 Rfd8–+) 25...ed5 (25...Rfc8 26.h3 ed5 27.Qe7–/+) 26.g3 (26.Qd7 Rab8 27.Raa1 Rb1 28.Rb1 Ra8–/+) 26...h6 (26...Rfd8 27.Qc6 Qe2 28.Ra4–/+) 27.Qb2 (27.Qb5!?–/+) 27...Qb2–+ 28.Rb2 Rfc8 29.Rb4 Rc4 30.Rc4 (30.Rb7 Rc1 31.Kg2 d4–+) 30...dc4 31.Kg2 Kf8 32.Kf3 c3 33.Rc3–/+ a3 34.Rc1 Ke7 35.Ke4 a2 36.Ra1 Ke6 37.f4 g6 38.Kd4 Ra3 39.Ke4 Ra4 40.Kf3 Kf5 41.g4–/+ Ke6 42.h4 h5 43.f5? Ke5–+ 44.fg6 hg4 45.Ke2 fg6 46.Ke3 Kf6 47.Kf2 Kg7 48.Kg3 Kh6 49.Kg2 Ra3 50.Kf2 Kh5 51.Kg2 Kh4 52.Kh2 g3 53.Kg2 Kg4 54.Rf1 Rb3 55.Ra1 Rb2 56.Kg1 Kh3 (56...Kh3 57.Kf1 g2 58.Kg1 Rb1 59.Rb1 ab1Q 60.Kf2 g1Q 61.Kf3 Qd3 62.Kf4 Qge3) 0–1. Nikoladze,Sopio – Khukhashvili,Sopiko, GEO–ch (Women), 2002.

10.0–0 0–0 11.Nbd2 Be4 12.Ng5 (12.Ne4!? Ne4 13.d5+=) 12...Bg6= 13.Bb3 (13.Rc1 Nc6+=) 13...Nc6+= 14.f4 (14.Rc1 Rb8 15.Nh3 Na5+=) 14...Rb8–/+ 15.Ra2 (15.Rc1 Na5 16.Rc3 Nb3 17.Rb3 d5–/+) 15…Qb6 +–. Gross – Roever, corr, 1986.

10.0–0 d5 11.Qb3 (11.Bd3 Nc6+=) 11...Bc8 (better is 11...dc4!? 12.Qb7 Nbd7=) 12.Bd3+= 0–0 13.Rc1 Bd6 14.Nc3 Nbd7 15.Na4 (15.a4!?+=) 15...Ne4= 16.Ne5 Qh4 17.Qc2 Rb8 18.g3 Qh3 19.f3 Ng5 20.Rf1 f6 (20...Qh5!? 21.f4 Ne4+=) 21.Nc6+/– Ra8 (21...Rb7 22.Bc3 (22.Ba6?? Rb2 23.Qb2 Ba6–+) 22...Rc7 23.Ba5 Rc6 24.Qc6 Bg3 25.Qc2+=) 22.Qg2 (22.f4!? Ne4 23.Be4 de4 24.Nc5 Bc5 25.dc5+/–) 22...Qg2 23.Kg2 Bb7 24.Na5 Rfb8 25.Rfc1 Nf7 26.Rc2 Nf8 (26...Ra7 27.Rb1+/–) 27.Bc1 (27.Nb6 Ra7+–) 27...Nd8 (27...Bc8 28.Nc5+/–) 28.Kf2 (28.Rb1 Nd7+–) 28...g6 (28...Bc8 29.Bd2+/–) 29.Ke2 (29.Nb6 Ra7+–) 29...Rc8 30.Rb1 Rc2 31.Bc2 Bc6 32.Nc6 Nc6 33.Rb7 Ra7 34.Ra7 ½–½. Basanko,Viktor – Semiglazov,Nikolay, Pyatigorsk RUS, Stavropol Open, 2012.

10.Nc3 Qb6 11.0–0 0–0 =.

10.Nbd2 0–0 11.0–0 Nc6 (11...d5 12.Bd3=) 12.Bd3 (12.Rb1 d5 13.Bd3 Qd6=) 12...Na5 (12...Rb8 13.Qa4=) 13.Rc1 Rc8 14.Qe2 Qb6 15.Rb1 Qa7 16.Ne5 d6 17.Nec4 (17.Nef3 Nd5+=) 17...Nc4= 18.Nc4 Ne4 (better is 18...Be4!?=) 19.f3+/– Nf6 20.Kh1 (20.Na5 Rc7+/–) 20...Bd5 21.e4 Bc4 22.Bc4 d5 23.Bd3 (23.Ba6 Ra8 24.Bb5 de4 25.fe4 Ba3+=) 23...a5 24.e5 Nd7 25.f4 g6 26.Qg4 Rfd8 (26...f5 27.ef6 Rf6 28.f5 ef5 29.Rf5+=) 27.f5+/– ef5 28.Bf5 Bf8 (28...h5 29.Qg3 h4 30.Qg4+–) 29.Bd3 (29.e6!? Nf6 30.Qg5 Bg7 31.ef7 Qf7 32.Bc8 Rc8+–) 29...Bg7 30.Qf4 (30.Qh4 Nb6+/–) 30...Nf8 31.a4 Ne6 32.Qf2 1–0. Fournier,Frederic (1910) – aj44 (1750), Active, 2005.

7.Bc4 d5

8.Bb3 a5 9.ba5 Ra5 (9...Bd6 10.Ba4 Nbd7 (10...c6 11.Qb3 Ra5 12.Be5 0–0 13.Bd6 Qd6; 10...Bc6 11.Bc6 Nc6 12.Qa4 Qd7 13.Bf6 gf6) 11.Qb3 0–0 12.Bd7 Qd7 13.Bf6 gf6; 9...Nbd7 A) 10.Nc3 Be7 (10...c5 11.Ba4 Be7 12.0–0 0–0 13.a6 Ra6; 10...Ra5 11.0–0 Bd6 12.Ba4 Qa8 13.Nd4 c6) 11.d3 0–0 12.0–0 Ra5 13.Qc2 Nc5; B) 10.Ba4 Bd6 (10...Be7 11.0–0 0–0 12.Nd4 c5 13.Nc6 Bc6; 10...c5 11.Nc3 Be7 12.0–0 0–0 13.a6 Ra6) 11.Qb3 0–0 12.Bd7 Qd7 13.Bf6 gf6; 9...Be7 A) 10.0–0 0–0 (10...Nbd7 11.d3 0–0 12.Nbd2 Ra5 13.Qc2 Bd6) 11.d3 c5 12.Qc2 Nc6 13.Nbd2 Ra5; B) 10.d3 0–0 (10...c5 11.0–0 0–0 12.Qc2 Qa5 13.Nbd2 Nc6; 10...Nbd7 11.0–0 Ra5 12.Nbd2 0–0 13.Qc2 Bd6) 11.0–0 c5 12.Qc2 Qa5 13.Nbd2 Nc6; C) 10.Qc2 0–0 (10...c5 11.0–0 0–0 12.d3 Nc6 13.Nbd2 Na5) 11.d3 c5 12.Nbd2 Nc6 13.0–0 Ra5; D) 10.Nc3 0–0 (10...c5 11.Ba4 Bc6 12.Ne5 Ba4 13.Qa4 Nfd7; 10...Nbd7 11.d3 0–0 12.0–0 c5 13.Ne2 Bd6) 11.0–0 c5 12.d3 Qa5 13.Ne2 Nbd7; E) 10.Ba4 Nbd7 (10...Bc6 11.0–0 0–0 12.Bc6 Nc6 13.Qc2 Na5) 11.0–0 0–0 12.Nd4 c5 13.Nc6 Bc6) 10.0–0 (10.Ba4 Bc6 11.Bc6 Nc6 12.Qc2 Ra6 13.0–0 Bd6) 10...c5 (10...Bd6 11.Ba4 Bc6 12.Bc6 Nc6 13.Qc2 Na7) 11.Ba4 (11.Bc3 Ra6= 12.Ne5 Bd6 13.Ba4 Nc6; 11.Ne5 Nc6 12.Ba4 Qa8 13.Bc6 Bc6) 11...Bc6 12.Bc6 (12.Bc2 Bd6 13.Ne5 0–0) 12...Nc6 13.Ne5 (13.d3 Bd6=) 13...Ne5+= 14.Be5 Bd6 15.Bc3 Ra8 16.Qf3 d4 (16...c4!?+=) 17.Qc6 (17.ed4 c4+=) 17...Ke7 18.ed4 cd4 19.Qb7 Bc7 20.Bb4 Kd7 21.Rc1 (better is 21.Qb5 Kc8 22.Rc1+=) 21...Rb8? (better is 21...Qb8 22.Qc6 Kd8=) 22.Qc6+– Kc8 23.d3 (23.Bd6 Ne8 24.Qa6 Kd7 25.Bc7 Nc7+–) 23...Qd7 24.Qa6 Kd8?? (better is 24...Rb7 25.Bd6 Ne8 26.Bc7 Nc7+–) 25.Rc7! (25.Rc7 Qc7 26.Ba5+–) 1–0. Wall,Bill – Botha,Colin, Dayton, OH, 1980.

8.Bb3 a5 9.b5 A) 9...Be7 A1) 10.Ne5 0–0 11.Ba4 Qd6 12.d4 c6 13.Nc3 c5; A2) 10.0–0 c6 11.Nc3 cb5 12.Nb5 Nc6 13.Rb1 0–0; A3) 10.Nc3 0–0 (10...c6 11.0–0 0–0 12.Rb1 cb5 13.Nb5 Nbd7) 11.0–0 c6 12.Rb1 cb5 13.Nb5 Nbd7; A4) 10.Qc2 c6 11.Ba4 cb5 12.Bb5 Nbd7 13.Bf6 Bf6; B) 9...Bd6 B1) 10.Nc3 0–0 (10...c5 11.Rb1 Nbd7 12.0–0 0–0 13.Bc2 Qc7) 11.0–0 c6 12.Qe2 Nbd7 13.d3 Qb6; B2) 10.d3 c6 (10...0–0 11.Nc3 Nbd7 12.0–0 c6 13.Ba4 Rc8; 10...Nbd7 11.0–0 c6 12.Nc3 0–0 13.Rb1 e5) 11.Nc3 0–0 12.0–0 Nbd7 13.Rb1 e5; B3) 10.0–0 0–0 (10...c6 11.Nc3 0–0 12.Qe2 Nbd7 13.d3 Qb6; 10...Nbd7 11.Nd4 Nc5 12.Bc2 0–0 13.Nc3 Rc8) 11.Nc3 Nbd7 12.Rb1 Qe7 13.a4 c6; C) 9...c6 10.Ba4 (10.Nc3 Bd6 11.0–0 0–0 12.Rb1 Qe7 13.a4 Rc8) 10...Bd6 11.Nc3 0–0 12.0–0 Ne4 13.Qe2 Nc3.

8.Bb3 Bc6 9.Nd4 Be7?? (better is 9...Bd7=) 10.Nc6+– Nc6 11.Ba4 Qd6 12.Qc2 (12.Qc2 0–0 13.Qc6+–) 1–0. b4_player – jensen, internet, 2013.

8.Bb3 Bd6 9.d4 0–0 10.Nbd2 Nbd7 11.0–0 a5 12.Ne5 (12.ba5!? Ra5 13.a4=) 12...ab4–/+ 13.Nd7 Qd7 14.ab4 Bb4 15.Nf3 Qe7 16.Qd3 c5 17.dc5 Bc5 18.Ng5 h6?? (better is 18...e5–/+) 19.Bf6+– Qf6 (19...hg5 20.Bc2 g6 21.Be7 Be7+–) 20.Qh7 1–0. CouldDoBetter – Fournier,Frederic, ICC, 2005.

8.Bb3 Nbd7 9.0–0 (9.d4 a5 10.b5 c6 (10...c5= 11.dc5 Bc5 12.0–0 0–0=) 11.bc6 Bc6 12.Nc3 Bd6+=) 9...Bd6 (9...c5 A) 10.Bc3 cb4 (10...Bd6 11.bc5 Nc5 12.Ba4 Na4=) 11.Bb4 Bb4 12.ab4 Qb6+=; B) 10.bc5 Bc5 11.d4= Bd6 12.a4 Rb8=) 10.d4 0–0 (10...a5 11.b5 (11.Nc3= ab4 12.ab4 Ra1+=) 11...Rc8 12.Bc2 c5=) 11.Qc2 (11.Nc3 a5= (11...Qe7 12.Bc2 Rfc8=) 12.b5 c5=; 11.Ne5 c6 12.Ba4 Qc7=) 11...a5 12.b5 c6 (12...Rc8=) 13.bc6 (13.Nc3 cb5 14.Nb5 Qb6=) 13...Rc8+= 14.Ba4 (worse is 14.cb7 Rc2 15.Bc2 Qb6–+) 14...Nb8 (14...Bc6 15.Bc6 Nb8 16.Nc3 Nc6 17.Rfc1+=) 15.Ne5 (15.Nc3 Nc6 16.Qd3 e5+=) 15...Be5+= 16.de5 Rc6?? (better is 16...Nfd7+=) 17.Bc6+– (17.Bc6 Nc6 18.ef6 gf6 19.Nd2+–) 1–0. Brzoza,Miroslaw – Rosenhahn,Eberhard, corr 3GMMsemi–02, 1998.

8.Bb3 Be7 9.0–0 0–0 10.Nc3 Bc6 (10...c5 11.bc5 Bc5 12.Na4=) 11.d3 Bd6 12.Ne2 Nbd7 13.Ned4 (13.Qd2 Bb7=) 13...Bb7= 14.Qc2 c6?? (14...c5 15.Ne2+=) 15.Rac1?? (15.Nc6 Bc6 16.Qc6 Qe7+/–) 15...h6?? (better is 15...c5 16.bc5 Nc5+=) 16.Nc6+– Bc6 17.Qc6 Be7 (17...Qb8 18.g3+–) 18.Qc7 Re8 19.Qd8 Red8 20.Rc7 Bd6 21.Rc6 Be7 22.Rfc1 Bf8 23.Ba4 Ne8 24.R6c2 Nef6 25.Ne5 Be7? (25...Ne5 26.Be5 Bd6 27.Bd4+–) 26.Rc7 (better is 26.Nc6 Re8 27.Ne7 Re7 28.Rc8 Rc8 29.Rc8 Kh7+–) 26...Bd6? (26...Ne5 27.Be5 Ng4+–) 27.Nd7 (worse is 27.Rd7 Nd7 28.Nd7 a5+–; 27.Bd7?! Be5 28.Be5 Rd7+–) 27...Bc7 28.Nf6 gf6 29.Rc7 Kg7 30.Kf1 Kg6 31.Ke1 e5 (31...Rac8 32.Re7+–) 32.Kd2 Rdc8 33.Rc6 Rc6 34.Bc6 Rd8 35.a4 White prepares b5 35...Kf5 (35...d4 36.ed4 Kf5 37.b5+–) 36.b5 (better is 36.Bd5!? Kg6 37.Bc4 Ra8+–) 36...ab5 37.ab5 h5 (37...Ke6 38.f4+–) 38.Bc3 (better is 38.Bd5 Rb8 39.Bc4 h4+–) 38...d4 (38...Ke6 39.Bb4 Rg8 40.g3+–) 39.e4 (better is 39.ed4 Rg8+–) 39...Ke6 40.Bb4 Rb8 (40...f5 41.Bd5 Kd7 42.ef5+–) 41.Bc5 h4 (41...Rg8 42.g3+–) 42.b6 Rc8 43.Bd5 Kd7 44.b7 Rb8 (44...Rh8+–) 45.Ba7 Rb7 (45...Kc7 46.Bb8 Kb8 47.Ke2+–) 46.Bb7 Kc7 47.Bd5 Kd6 48.Bf7 Ke7 49.Bd5 Kd6 50.Bb6 f5 51.Bd8 h3 52.gh3 f4 53.h4 Kd7 54.Bf6 1–0. cristero (2460) – grahamtrue (2165), net–chess.com, 2015.

8.Be2 Bd6 9.0–0 Nbd7 10.d3 0–0 11.d4 Ne4 12.Nc3 f5 13.Na4 Qf6 14.Nc5 Bc8 (14...Bc5 15.bc5 Bc6 16.Qc2=) 15.Nd7 (15.Qc2!?+=) 15...Bd7+= 16.Ne5 Be5 (better is 16...Qh6!?+=) 17.de5+/– Qh6 18.Bd4 Bb5 19.a4 Be2 20.Qe2 c6 (20...f4!? 21.ef4 Qf4+/– (21...Rf4? 22.Be3+–)) 21.Rac1+/– Rfc8 22.Rc2 a5 (better is 22...Ng5!?+/–) 23.f3+– Ng5 24.Rb1 (better is 24.b5 cb5 25.ab5+–) 24...ab4+= 25.Rb4 Qg6 26.h4 Nf7 27.Bb6?? (better is 27.Rc5+=) 27...Ne5–/+ 28.a5 Nc4 29.Ra2 Rcb8 30.Kh2 Qf6 31.g3 Qe7 32.Rc4+= dc4 33.Qc4 Qd7 34.Rc2 Rc8–/+ 35.e4 fe4 36.fe4 Kh8 37.a6 e5 38.a7 c5 39.Qa6 h6 40.Rc5= Rc5 41.Bc5 Kh7 42.Bf2 Qc7 43.Qa2 Qb7 44.Qa4?? Rf8 45.Qc2 Qf7 46.Kg1 Qf3= 47.Qd2 Qe4 48.Qe3 Qb1 49.Kg2 Qb7 50.Kg1 Rd8 51.Qe5? Rd1–+ 52.Be1 Qa7 53.Kh2 Qa2 54.Kh3? Qb1 55.Bf2 Rh1 56.Kg4 Qd1 (56...Qd1 57.Kf4 Qd2 58.Kf3 Qd3 59.Kf4 Rf1–+) 0–1. Tagirov,Kajum K – Musin,Azat, 5th Cup Governov B, 2009.

8.Be2 Bd6 9.d4 0–0 10.0–0 Ne4 11.Nbd2 Nd2 12.Qd2 Nd7 13.Bd3 ½–½. Fournier,Frederic – Deneuville,Christian, AJEC TH6/02, 1996.

8.Be2 Nbd7 9.0–0 Bd6 10.Qc2 0–0 11.Nc3 c6 12.Na4 Qe7 13.Rfc1 e5 +=. Margraf,Alfred – Fournier,Frederic, corr SOK–93–98, 1993.

8.Be2 Nbd7 9.d4 a5 10.b5 Bd6 11.0–0 c6 12.Nc3 0–0 13.a4 Qc7 14.Ba3 Ba3 15.Ra3 Rfb8 16.Qc2 cb5 17.ab5 Ne4 18.Bd3 Rc8 19.Rc1 (19.Ne4? de4 (19...Qc2?! 20.Bc2 de4 21.Ne1+=) 20.Qc7 Rc7 21.Be4 Be4–+) 19...Qd6 20.Qb2 (20.Be4?? de4 (20...Qa3?! 21.Bh7 Kh8 22.Bd3+=) 21.Ne5 Ne5–+ (21...Qa3?! 22.Nd7 Rc7 23.Nc5–/+)) 20...Nb6 21.Ne5 f6 ½–½. Deneuville,Christian – Fournier,Frederic, AJEC Partie Libre, 1997.

8.Be2 Nbd7 9.d4 Ne4 10.Nc3 Qf6 (10...Bd6 11.0–0+=) 11.0–0 (11.Ne4 de4 12.Ne5 Bd6 13.Nd7 Kd7+=) 11...Bd6 12.Nd2 (12.Qa4 Nc3 13.Bc3 Qe7+=) 12...Qh6= 13.f4 (13.h3 Nc3 14.Bc3 Bc6=) 13...Nc3 14.Bc3 g5 15.g3 (15.Bf3 Rg8=) 15...gf4+= 16.ef4 Rg8 17.Bg4 (17.Bd3 Bf4 18.Qf3 Be3 19.Kg2 f5+=) 17...Nf6–/+ 18.h3? (better is 18.Be2!?–/+) 18...Ng4–+ 19.hg4 Qh3 20.Kf2 Bf4! 21.gf4 (21.gf4 Qh4 Double attack (21...Qc3 Pinning; 21...Qc3 Deflection)) 21...Qc3 22.Nb3 Qh3 (22...Qb2 23.Ke3–/+) 23.Rh1 (23.g5 Bc6+=) 23...Qg4–/+ 24.Qg4 Rg4 25.Kf3 Rg7 26.Rac1 (26.Rag1 Rg1 27.Rg1 Kf8+=) 26...0–0–0 27.Nc5 Rdg8 28.Rh3 Rg2 (28...h6–/+) 29.Rc3? (better is 29.f5!? e5 30.de5=) 29...h5–+ 30.Re3 h4 31.Re2 (31.Re5!?–/+) 31...R8g3–+ 32.Rg3 Rg3 33.Kf2 Ra3 34.f5 Kb8 35.fe6 fe6 36.Re6 Ra2 37.Re2 (37.Kf3–+) 37...Re2 38.Ke2 Bc8 39.Kf2 Ka7 40.Na4 Kb7 41.Nc3 c6 42.Na4 a5! 43.ba5 Ka6 44.Nc3 Ka5 45.Ke3 Bg4 46.Kf4 Bh5 47.Nb1 Kb4 48.Nd2 Kc3 49.Ke3 c5! 50.Nb1 Kb2 51.Nd2 c4 (51...c4 52.Kf2 c3–+) 0–1. Berlik,Jan – Buczinski,Henryk, Siemianowice Slaskie Poland, 1967.

8.Be2 Be7 9.0–0 0–0 10.Nc3 a5 11.b5 c6 12.Rb1 +=.

8.Be2 Be7 9.Qa4 A) 9...Qd7 10.Qc2 (10.Nc3 0–0= 11.d4 Rc8 12.0–0=) 10...a5 11.b5 0–0 12.Nc3+=; B) 9...Nfd7 10.Nc3 (10.0–0 0–0 11.Qc2 c5 12.bc5=) 10...0–0 11.0–0 e5 12.d4+=; C) 9...Nbd7 10.0–0 0–0 11.d4 c6 12.Rc1=.

8.Be2 Be7 9.d4 0–0 10.0–0 Nbd7 11.Nbd2 Bd6 12.Rc1 Qe7 13.Nb3 Nb8 (13...Rfb8 14.Qc2+=) 14.Na5 Bc8 15.Ne5 Be5 (15...Bd7!?+=) 16.de5+– Ne8 17.Nc6 (17.Bd4!? Nd7 18.Nc6+–) 17...Nc6+/– 18.Rc6 Bb7 19.Rc5 c6 20.Qc1 Nc7 21.a4 Rfc8 22.Qd2 (22.a5 Nb5+/–) 22...Ne8 (22...a5!? 23.Ra5 Ra5 24.ba5 c5+=) 23.Bd4 g6 (23...a5!?+/–) 24.Ra5 Ng7 25.g4 (25.Rd1 Nf5+–) 25...Ne8 26.Bd3 Rcb8 27.f4 Nc7 28.Bc5 Qh4 29.Qe2 Qd8 30.Rf3 d4 (30...Qh4 31.g5+–) 31.e4 (31.ed4!? Nd5 32.Qe1 Bc8+–) 31...f5? (better is 31...Qh4+–) 32.ef5 1–0. Reimer,Karl – Geisert,Bernd, Kurpfalz Seniors op, 2005.

8.Be2 Be7 9.Bf6 Bf6= 10.d4 Nd7 (10...a5 11.Nc3 0–0 12.0–0+=) 11.Nbd2 (11.0–0 a5 12.b5+=) 11...0–0 (11...e5 12.0–0=) 12.0–0 (12.Bd3=) 12...Re8 (12...e5 13.Qc2=) 13.Rc1+= e5 14.de5 Ne5 15.Ne5 (15.Qc2 Rc8+=) 15...Be5= 16.Nf3 Bb2 (better is 16...Bd6=) 17.Rc2 (better is 17.Rc5 Rc8 18.Qc2+/–) 17...Ba3–/+ 18.b5 (18.Qd2 a5! 19.ba5 c5+=) 18...a5 (18...ab5 19.Bb5 Re6 20.Ra2–/+) 19.Nd4 (19.Ra2 Bd6–/+) 19...Bd6 20.Nc6 Qh4 (20...Bc6 21.Rc6 Qg5 22.Qd2–/+) 21.g3+= Qf6 (21...Qa4 22.Rd2 Qd1 23.Rfd1+=) 22.Qd5= Bc6 (22...a4 23.Rd1=) 23.Rc6+= Rad8 (23...Red8 24.Qe4+=) 24.Rd1 (24.Qa2 Ra8+=) 24...Qe7 (24...a4 25.b6 a3 26.Bh5=) 25.Qc4 g6 (25...Qe5 26.Bd3+=) 26.Ra1+/– Ra8 27.Bf3?? Qe5?? 28.Ra2 Ra7 29.Ra6+– Bc5 30.Qd5 Qc3 31.Qc6 Re6+/– 32.Qd7 Raa6 33.ba6+/– Bb6 34.Qd5 c6 35.Qd7 Qc4?? 36.Ra5!!+– Ba5 37.a7 Qa6 38.Bc6 Rc6= 39.Qe8 Kg7 40.a8Q Rc1 41.Kg2 Qf1 42.Kf3 Qh1?? 43.Kg4+– Qd1? 44.Kh3 Qf1 45.Qg2 Qa6 46.Qe5 Kg8 47.Qb8 Rc8 48.Qb3 Qa7? 49.Qgd5 Rf8 50.Qb2 Bb6?? 51.Qc6 Bd8 52.Qd4 Qa5 53.Qcd6 Qf5 54.Kg2 Bg5?? 55.e4 Qc8+– 56.Q6e5 f6 57.Qe7 (57.Qe7 Rf7 58.Qd5+–) 1–0. Cole,John W – Holmes,B, Las Vegas op, 1975.

8.Bb3 c5

9.Ba4 A) 9...Bc6 10.Bf6 Qf6 (10...gf6 11.bc5 Bc5 12.Nc3 Rg8 13.0–0 h6) 11.d4 Bd7 12.Qc2 cd4 13.Qc8 Qd8; B) 9...Nbd7 10.Bf6 Qf6 11.d4 cd4 12.Bd7 Kd7 13.Nd4 Bd6.

9.bc5 Bc5

10.0–0 Nbd7 11.Nc3 0–0 12.Na4 Bd6 13.Nd4 Nc5 14.Nc5 Bc5 15.Nf3 h6 16.Rc1 Rc8 17.Ne5 Bd6 18.f4 Rc1 19.Qc1 Qb6 20.Ba2 Rc8 21.Qa1 Qa5 22.Nf3 Ba3 23.Bf6 gf6 24.Qf6 Bf8 25.Bb1 1–0. vhilts (2310) – pushtiu (2330), net–chess.com, 2011.

10.Ba4 Nbd7= 11.Qb3 Qb6 12.Qb6 Bb6 13.Bf6 gf6.

10.Qc2 Nbd7 11.Ba4 0–0 12.Bf6 Qf6 13.d4 Nb6 14.Qc5 Na4 15.Qa5 Bc6 16.0–0 Rfc8 17.Rc1 Nb2 18.Ne5 Bb5 19.Nc3 Nc4 ½–½. Svensson,Jan – Fournier,Frederic, corr or02–025, 2002.

10.Qc2 Nbd7 11.Ba4 0–0 12.Bf6 Nf6?? (better is 12...Qf6 13.Qc3 Bc8=) 13.Qc5+– Rc8 14.Qb4 Rc1 15.Bd1 Qc7 16.0–0 Ne4 17.Qb2 Rb8 18.d3 Ba8 19.de4?? (better is 19.Qa2+–) 19…Rb2–+ (19...Rb2 20.e5 Rcb1 21.Rb1 Rb1–+) 0–1. Hasler,Ulrich – Kellerer,Horst, CiF, 1989.

10.d4 Bd6+= 11.0–0 Nc6 (11...0–0 12.Qe2 Qb6 13.Nbd2 Nc6) 12.Nc3 (12.Qd3 0–0 13.Rc1 Qb6) 12...0–0 13.Ne2 (13.Bc2 Na5=) 13...Re8 (13...Na5 14.Bc3+=) 14.Ng3 Rb8 15.Ba4 Qc7 16.Rc1 Ng4 (16...Rec8 17.Ne5 Qb6 18.Rb1+=) 17.h3 (17.Qd3 Rec8=) 17...Bg3 (17...Ne3!? 18.fe3 Bg3–/+) 18.hg4= Bd6 19.Ne5 Be5 20.de5 Rec8 21.Qd3 Qe7 (21...Ne5? 22.Qd4 Qe7 23.Qe5+–) 22.Bc6 (22.Rc2 Qg5+=) 22...Rc6 (22...Bc6 23.Qd4–/+ (worse is 23.Qa6 Qe8–+)) 23.Rc6 (23.Bd4 Rcc8+=) 23...Bc6 24.Qc3 Qb7 25.Rc1 Bd7 (worse is 25...Qb2 26.Qb2 Rb2 27.Rc6+/–) 26.Qc5?? (better is 26.Ba1+=) 26…Qb2–+ 0–1. Trkn – prezes, itsyourturn.com, 2000.

8.Be2 c5

9.b5 Be7 10.Qc2 c4 11.a4 0–0 12.Ng5 h6 (12...Nbd7!?+=) 13.Bf6= hg5 14.Bb2 ab5 15.ab5 Ra1 16.Ba1 Qa5 17.Qb2 Bf6 18.Nc3 Nd7 19.0–0 Nc5 20.f4? (better is 20.Qc2=) 20...gf4–+ 21.Rf4? (better is 21.Qc2–+) 21...Ra8 22.Rf6 0–1. Hoyer,Olaf (1915) – Mende,Holger, Dresden GER, 1st WCGD, 2011.

9.bc5 Bc5

10.0–0 A) 10...0–0 A1) 11.d3 Bd6 (11...Nbd7 12.Nbd2 Rb8 13.Qa4 Qe7=) 12.Qb3 Qe7 13.Rc1 Nc6=; A2) 11.d4 Bd6 (11...Be7 12.Bd3 Nbd7 13.Nbd2 Bd6=) 12.Nbd2 Nbd7 13.Ne5 Rb8=; A3) 11.Qb3 Qe7 (11...Qb6 12.Qb6 Bb6 13.Rc1 Nbd7=) 12.Rc1 Bd6 13.Be5 Rc8=; B) 10...Qe7 B1) 11.Be5 Nc6 (11...Nbd7 12.d4 Ne5 13.Ne5 Bd6=) 12.d4 Ne5 13.Ne5 Bd6=; B2) 11.Qa4 Nbd7 12.Rc1 0–0 13.d4 Bd6=; B3) 11.Qb3 0–0 (11...Bd6 12.Be5 Be5 13.Ne5 0–0=) 12.Rc1 Bd6 13.Be5 Rc8=; C) 10...Nbd7 C1) 11.Qa4 0–0 (11...Qe7 12.Rc1 0–0 13.d4 Bd6=) 12.Nc3 Bd6 13.Qh4 Qe7=; C2) 11.d4 Bd6 (11...Be7 12.Nbd2 0–0 13.Bd3 Bd6=) 12.Nbd2 0–0 13.Ne5 Rb8=; C3) 11.d3 0–0 (11...Bd6 12.Nbd2 0–0 13.Nd4 Rb8=) 12.Nbd2 Rb8 13.Qa4 Qe7=.

10.Qa4 A) 10...Bc6 A1) 11.Qc2 Bd6 (11...Qe7 12.0–0 Bb7 13.Rc1 Bd6=) 12.0–0 0–0 13.Be5 Be5=; A2) 11.Qf4 Nbd7 (11...0–0 12.0–0 Nbd7 13.Rc1 Qe7=) 12.0–0 0–0 13.Rc1 Qe7=; A3) 11.Qh4 Nbd7 (11...0–0 12.0–0 Nbd7 13.Rc1 Bb7=) 12.0–0 0–0 13.Rc1 Bb7=; B) 10...Qd7 B1) 11.Nc3 Nc6 (11...0–0 12.Qh4 d4 13.Nd4 Bd4=) 12.d4 Bd6 13.Rb1 0–0=; B2) 11.Qf4 Qe7 (11...Nc6 12.Bf6 gf6 13.d4 Be7+=) 12.0–0 Nbd7 13.Ne5 0–0=; B3) 11.Qh4 Qe7 (11...Be7 12.0–0 Nc6 13.d3 0–0=) 12.d3 Bd6 13.0–0 0–0=; C) 10...Nbd7 C1) 11.0–0 0–0 (11...Qe7 12.Rc1 0–0 13.d4 Bd6=) 12.Rc1 Bd6 13.Qh4 Nc5=; C2) 11.Nc3 0–0 (11...Bd6 12.Rb1 0–0 13.0–0 Qe7=) 12.0–0 Bd6 13.Rfc1 Nc5=; C3) 11.Bf6 gf6 (11...Qf6 12.d4 Bd6 13.Nc3 Qd8=) 12.0–0 Qe7 13.Nc3 0–0=.

10.Qb3 Qb6 11.Qa4 Bc6 (11...Qc6 12.Qh4 Nbd7 13.0–0 Be7=) 12.Qc2 Bd6 13.0–0 0–0 =.

10.Qb3 Qb6 11.Qb6 Bb6 12.0–0 0–0 13.Rc1 Nbd7 =.

10.Qb3 Qb6 11.Qb6 Bb6 12.Nc3 Nbd7 13.Rb1 (13.Rc1 e5=) 13...Bc6 (13...Rb8 14.d4=) 14.Na2 (14.d4 0–0+=) 14...a5 (14...Bc5 15.Nd4 Bd4 16.Bd4=) 15.Ne5 Ne5 16.Be5 Ba7 (16...Bd8 17.d4+=) 17.Bb5 (17.d4 Rc8+=) 17...Bb5 18.Rb5 0–0 (18...a4!?+=) 19.Ra5 (19.Bf6 gf6 20.Ra5 Bb6 21.Ra8 Ra8=) 19...Bb6 20.Ra8 Ra8 21.Bd6 (21.Bb2 e5+/–) 21...Ne4+= 22.Bb4 Ba5 23.Ke2 (better is 23.Nc1!?+=) 23...Bb4+= 24.Nb4 Ra3 25.f3 (25.Rc1 Kf8=) 25...Nd6 26.Rb1 g5 (26...Nc4 27.Nd5 Ra8 28.Ne7 Kf8 29.Nc6+/–) ½–½. Moehring,Nicholas – Schaefer,Frank, SEM–ch Gr–D Dudweiler, 1995.

10.Qb3 Qb6 1.Qc2 Nbd7 (11...0–0 12.Bf6 gf6 13.Nc3 Qd6=) 12.0–0 0–0 13.Nc3 Bd6 =.

10.Qb3 Bc6 11.Ne5 0–0 12.Qc2 =.

10.Qb3 Qc7 A) 11.0–0 Nc6 (11...Bd6 12.Rc1 Nc6 13.Bf6 gf6=) 12.Rc1 Bd6 13.Qa4 0–0=; B) 11.Bf6 gf6 12.Nc3 Bc6 13.Na4 Bd6=; C) 11.Be5 Qb6 12.Qb6 Bb6 13.Nc3 Nbd7+=.

10.Qb3 Qe7 11.0–0 (11.Bf6 gf6 12.d4 Bd6 13.Nc3 0–0=; 11.d4 Bd6 12.0–0 0–0 13.Nc3 Nc6=) 11...Bd6 (11...0–0 12.Rc1 Bd6 13.Be5 Rc8=) 12.Rc1 0–0 13.Be5 Rc8 =.

10.Nc3 A) 10...Nbd7 A1) 11.0–0 0–0 (11...Qe7 12.Qa4 Bd6 13.Rfc1 0–0=) 12.Qa4 Bd6 13.Qh4 Qe7=; A2) 11.Rb1 Rb8 (11...Bd6 12.0–0 0–0 13.Qa4 Qe7=) 12.0–0 0–0 13.Qa4 Qe7=; A3) 11.Qa4 0–0 (11...Bd6 12.0–0 0–0 13.Qh4 Qe7=) 12.0–0 Bd6 13.Qh4 Qe7=; B) 10...Nc6 B1) 11.Rb1 Bd6 (11...Rb8 12.Na4 Bd6 13.Qc2 0–0=) 12.Na4 Rb8 13.Qc2 0–0=; B2) 11.0–0 0–0 (11...Bd6 12.Rb1 0–0 13.Na4 Rb8=) 12.Rb1 Bd6 13.Na4 Rb8=; B3) 11.Na4 Bd6 (11...Be7 12.Bf6 gf6 13.0–0 Ne5=) 12.Rb1 Rb8 13.Qc2 0–0=; C) 10...Bd6 C1) 11.0–0 0–0 (11...Nbd7 12.Nd4 0–0 13.f4 Rb8=) 12.Rb1 Nbd7 13.Qa4 Qe7=; C2) 11.Qa4 Nbd7 (11...Nc6 12.0–0 0–0 13.Rfc1 e5=) 12.0–0 0–0 13.Qh4 Qe7=; C3) 11.Rb1 Nbd7 (11...0–0 12.Na4 Bc6 13.0–0 Nbd7=) 12.0–0 0–0 13.Qa4 Qe7=.

10.d3 A) 10...Nc6 A1) 11.0–0 0–0 (11...Bd6 12.Qa4 0–0 13.Rc1 Rb8=) 12.Nbd2 Bd6 13.Qa4 Qe7=; A2) 11.Qa4 0–0 (11...Bd6 12.0–0 0–0 13.Rc1 Rb8=) 12.Nbd2 Bd6 13.0–0 Qe7=; A3) 11.Nbd2 0–0 (11...Bd6 12.Qa4 0–0 13.0–0 Qe7=) 12.0–0 Bd6 13.Qa4 Qe7=; B) 10...0–0 B1) 11.Nbd2 Nbd7 (11...Nc6 12.Qa4 Bd6 13.0–0 Qe7=) 12.0–0 Bd6 13.Nd4 Rb8=; B2) 11.Qa4 Qe7 (11...Nbd7 12.Nbd2 Bd6 13.0–0 Qe7=) 12.0–0 Bd6 13.Be5 Be5=; B3) 11.0–0 Nbd7 (11...Bd6 12.Qb3 Qc7 13.Nbd2 Nc6=) 12.Nbd2 Bd6 13.Nd4 Rb8=; C) 10...Nbd7 C1) 11.0–0 Qb6 (11...0–0 12.Nbd2 Bd6 13.Qa4 Qe7=) 12.Bc3 0–0 13.Nbd2 Rfc8=; C2) 11.Qa4 0–0 (11...Bd6 12.0–0 0–0 13.Nbd2 Qe7=) 12.Nbd2 Bd6 13.0–0 Qe7=; C3) 11.Nbd2 0–0 (11...Rb8 12.Qa4 0–0 13.0–0 Qe7=) 12.Qa4 Bd6 13.0–0 Qe7=.

10.d4 Be7 (10...Bd6 A) 11.Bd3 0–0 (11...Nbd7 12.0–0 0–0 13.a4 Nb6=) 12.0–0 Qe7 13.Qb3 Nc6=; B) 11.0–0 0–0 (11...Nbd7 12.Nbd2 0–0 13.Ne5 Rb8=) 12.Nbd2 Nbd7 13.Rb1 Bc6=; C) 11.Nbd2 0–0 (11...Qe7 12.0–0 0–0 13.Ne5 Nbd7=) 12.0–0 Qe7 13.Ne5 Nbd7=; 10...Bf8 A) 11.0–0 Bd6 (11...Nbd7 12.a4 Be7 13.Qd3 0–0=) 12.Nbd2 0–0 13.Qb3 Nc6=; B) 11.Nbd2 Bd6 (11...Nbd7 12.Bc3 Bd6 13.Bb4 Qe7=) 12.Rb1 0–0 13.Qb3 Qe7=; C) 11.Qb3 Qc7 (11...Nc6 12.Qb7 Na5 13.Bb5 ab5+=) 12.0–0 Bd6 13.Rc1 Nc6=) 11.Qb3 (11.0–0 0–0 (11...Nbd7 12.Nbd2 0–0 13.Bd3 Bd6=) 12.Nbd2 Nbd7 13.Rb1 Bc6=; 11.Nbd2 0–0 (11...Nbd7 12.0–0 0–0 13.Bd3 Bd6=) 12.Bd3 a5 13.0–0 Ba6=; 11.Nc3 Nbd7 (11...0–0 12.0–0 Nbd7 13.Bd3 Rb8=) 12.0–0 0–0 13.Qc2 Nb6=) 11...Qc7 (11...Nc6 12.0–0 Na5 13.Qa2 0–0=) 12.0–0 0–0 (12...Nc6 13.Rc1 0–0=) 13.Rc1 Nc6 14.Ne5 Bd6 15.a4 Be5 16.de5 Nd7 17.Ba3 Rfc8 18.Bd6 Qb6 (18...Na5!? 19.Qc3 Qc3 20.Rc3 Nc4 21.Bc4 Rc4 22.Rc4 dc4=) 19.Qb6+= Nb6 20.Nd2 Nd7 21.Rab1 (better is 21.Nf3 Na5 22.Rc8 Rc8 23.Rb1+=) 21...Ra7?? (better is 21...Nce5 22.Rc8 Bc8=) 22.Rb7!+– Rb7 23.Ba6 Rbc7 24.Bc7 Rc7 25.Bb5 Ndb8 26.Nf3 Rb7 27.Nd4 Ne7 28.f4 h6 29.Kf2 Nd7 30.Nc6 Nc6 31.Rc6 Nb6 32.a5 Na8?? 33.Rc8 Kh7 34.Bd3 (34.Bd3 g6 35.Ra8 Rb2 36.Be2+–; 34.Ra8?! Rb5 35.a6 Ra5+–) 1–0. Zak,Pawel (1740) – Lisiecki,Robert, Szachowe Lato Poznan Poland, 2011.

7.Bc4 Be7

8.0–0 a5 9.b5 c5 +=.

8.0–0 d5 9.Ba2 Nbd7 (9...a5 10.Bf6 Bf6 11.d4 Ba6 12.Re1 ab4 13.ab4 Be7; 9...c5 10.bc5 Bc5 11.Qb3 Bc6 12.Ne5 d4 13.Rc1 Qd6) 10.d3 (10.d4 a5 11.b5 c6 12.a4 0–0 13.Ba3 cb5; 10.Nc3 c5 (10...0–0 11.Rc1 c5 12.bc5 Nc5 13.d4 Nce4) 11.bc5 Bc5 12.d4 Bd6 13.Bb1 Rb8; 10.Qa4 c5 11.bc5 Bc5 12.Rc1 0–0 13.Nc3 Rb8) 10...h6 (10...c5 11.bc5 Nc5 (11...Bc5 12.Nc3 0–0 13.Qe2 Bd6) 12.Bd4= Qa5 13.Nc3 Bc6; 10...0–0 11.Nbd2 c5 12.bc5 Bc5 13.Rb1 Qe7; 10...Rb8 11.Nbd2 c5 12.Qa4 Qb6 13.Rfb1 Bc6) 11.Nbd2 Rg8 (11...c5 12.bc5 Nc5 13.Rb1+= (13.Bf6 Bf6) 13...Bc6) 12.Rc1 (12.Qa4 a5 13.ba5 Ba6) 12...g5 (12...c5 13.bc5 Nc5+= (13...Bc5 14.Qa4+=)) 13.Ne5 (13.Nb3 Bd6+/–) 13...Ne5 (13...c5 14.bc5 Nc5 15.Bd4+=; 13...a5+=) 14.Be5+/– Bd6 15.Bb2 (15.Bd6 cd6 16.Bb3 a5+/–) 15...g4 16.f4 h5 (16...a5 17.b5+/–) 17.Nb3 h4 (17...g3 18.h3+/–) 18.Na5 Rb8 19.Nb7 Rb7 20.Qa4 Kf8 (20...Nd7 21.e4 de4+/–) 21.Qa6 Rb6 22.Qa4 Nh5 (22...Ke7 23.Qc2 Nd7 24.e4 de4 25.de4+–) 23.Bd4 (better is 23.f5 Qe8 24.Qc2+–) 23...Ng3?? (23...Rb8+–) 24.Bb6 (better is 24.hg3 hg3 25.f5+– (worse is 25.Bb6 Qh4 26.Rfe1 Rh8+–)) 24...Ne2 25.Kf2 Nc1+/– 26.Rc1 cb6 27.Qa6 Kg7 28.Kg1 Bb8?? 29.d4+– Ba7?? 30.Qa7 1–0. Woelfelschneider,Peter – Pawlowicz,Karsten, corr, 1986.

8.0–0 d5 9.Be2 0–0+= 10.Nc3 c5 11.bc5 Bc5 12.Rb1 Bd6 13.Na4 Bc6.

8.0–0 d5 9.Be2 0–0 10.Nc3 c5 11.bc5 Bc5 12.Rc1 Nbd7 13.Na4 (13.Qa4 Qe7=) 13...Be7 (13...Bd6 14.d4=) 14.Ne5 (14.d4!?=) 14...Ne5+= 15.Be5 Bd6 (better is 15...Ba3!? 16.Rc7 Nd7+=) 16.Bd6+= Qd6 17.Nc5 Rfb8 18.d4 Nd7 19.Nb7 (19.Qc2 Nc5 20.Qc5 Qd7+=) 19...Rb7 20.Qa4 Nb6 (20...Rb6 21.Rc3+=) 21.Qc6 Qc6 (21...Qb8 22.Rc2 Qa7 23.Rfc1+/–) 22.Rc6+/– Rc8 (22...Nd7 23.Ra6 (23.Ba6?! Rba7 24.Bc8 Nf6+=) 23...Ra6 24.Ba6+/–) 23.Rc8+– (23.Ba6?! Rc6 24.Bb7 Rc7=) 23...Nc8 24.Ba6 Rc7 25.Bc8 Rc8 26.Ra1 Kf8 (26...Ra8 27.a4+/–) 27.a4+– Ra8 28.a5 Ke7 29.a6 (better is 29.Kf1!?+/–) 29...Kd7 30.Kf1 Kc7 31.Ke2 Kb6 32.Kf3 Ra6 33.Rb1 Kc6 34.Rb8 g6 35.Rf8 Ra7 36.Kg4 h5 37.Kg5+= Kd6 38.Kf6 e5?? 39.de5 (39.de5 Kc5 40.Rf7 Ra6 41.e6+–) 1–0. hajo (2040) – Fournier,Frederic (1950), Active, 2004.

8.0–0 d5 9.Be2 0–0+= 10.Nc3 Nbd7 11.Rb1 e5 12.d4 e4 13.Ne5 Bd6.

8.0–0 d5 9.Be2 c5 10.bc5 Bc5 11.Nc3 0–0 12.Rb1 Bd6 13.Na2 Bc6.

8.Nc3 0–0 9.0–0 d6 (9...d5 10.Be2+= a5 (10...c5 11.bc5 Bc5 12.Na4 Bd6 13.Qb3+=) 11.b5 c6 12.Rb1 Nbd7 13.bc6=; 9...a5 10.b5 A) 10...d5 11.Be2 (11.Bd3 c5 12.Rb1 Nbd7 13.Be2=) 11...c6 12.Rb1 cb5 13.Nb5+=; B) 10...c6 11.Rb1 d5 12.Be2 cb5 13.Nb5+=) 10.Qe2 (10.Qc2 Bf3 (10...Nbd7+= 11.Be2 c5 12.bc5 Nc5 13.Rab1=) 11.gf3 d5 12.Be2 c5 13.bc5=; 10.d4 Nbd7 11.Qe2 c5 12.bc5 dc5 13.Rfd1=) 10...Nbd7 (10...d5 11.Bd3 (11.Bb3 Nbd7 12.Rfc1 c5 13.bc5=) 11...Nbd7 12.Rfc1 c5 13.bc5=) 11.d4 Nb6 (11...a5 12.b5 c5 13.bc6+=) 12.Ba2 (12.Bd3 Nfd5+= (12...a5 13.ba5+=) 13.Rfc1+=) 12...Ne4= (12...a5 13.b5=) 13.Rac1 (13.Rfc1+=) 13...Nc3 (13...Qd7 14.Ne4 Be4 15.Rfe1=) 14.Bc3 Bc6 (14...Be4 15.Bb1 Bb1 16.Rb1=) 15.Bb1 (15.Qc2 Rc8+=) 15...g6 (15...Bb5 16.Bd3=) 16.Rfd1 (16.Bd3 Bb5+=) 16...f5 (16...Bb5 17.Bd3=) 17.e4 Bb5 18.Bd3 Bd3 (18...fe4 19.Qe4 Qd7 20.Bd2=) 19.Rd3 (19.Qd3 Qd7+=) 19...Qe8 (19...Qd7 20.Re3 f4 21.Rd3+=) 20.Bd2 (20.ef5 ef5 21.d5+/–) 20...f4 (20...Bd8!?+/–) 21.Rc7+– Rc8 (21...Bd8 22.Rc1+–) 22.Rdc3 Rc7 23.Rc7 Bd8 24.Ra7 g5 (24...Qb5 25.Qb5 ab5 26.Ra5+–) 25.Ne1 Qg6 26.Qd3 e5 27.Ra6 g4 28.de5 g3 29.fg3 de5 30.a4 Kh8 31.a5 fg3 32.hg3 Qf6 33.Be3 h5 34.ab6 Qf7 35.Ra7 Qf6 36.Qd7 Qg6 37.Nd3 Bb6 38.Bb6 Qb6 39.Kh2 Qh6 40.Ne5 h4 41.gh4 Qf4 42.Kh3 Qe3 43.g3 Qh6 44.Nf7 Rf7+– 45.Qf7 Qh4 46.Kg2 Qg3 47.Kf1 Qg2?? 48.Ke1 Qe2= ½–½. Moraes,Maurino – Bueno,Cicero, Lages CC–ch, 1990.

8.Nc3 0–0 9.d4 a5 10.ba5 c5 11.0–0 cd4 12.Nd4 Nc6 13.Qe2 Nd4 14.ed4 Qa5 15.Rfb1 Rfc8 16.Nd1 Qg5 17.f3 Rc4 18.Ne3?? (better is 18.Qc4 Bf3 19.Qf1+=) 18...Rcc8 19.Bc1 Ba6 20.Qf2 Qg6 21.a4 (21.Rb3 Nh5–+) 21...Bd3 22.Rb2 Ba6 (better is 22...Ba3! 23.a5–+) 23.Rd2?? (23.Rbb1 Nh5 24.Qd2–+) 23...Bd6 24.Ba3 (24.Rb2 Qh6 25.g3 Qg6–+) 24...Bf4 25.Be7 (25.Rda2 Qh6 26.Nf1–+) 25...Qh6 26.Bf6 Qh2 0–1. NN – Fournier,Frederic (2080), Active, 2005.

8.d4 0–0 9.0–0 d5 (9...a5 10.b5=) 10.Bd3+= Ne4 (10...a5 11.b5=) 11.Nbd2 Nd7 (11...a5 12.b5+=) 12.Qc2 f5 (12...Ndf6 13.Rfc1+=) 13.Nb3+/– c6 (13...Bc8 14.Ne5 Ne5 15.de5+=) 14.Nc5 (14.Rac1 Qb6+/–) 14...Nec5 (14...Ndc5 15.dc5 a5 16.Nd4+=) 15.dc5 Bf6 16.Nd4 Bd4 (16...Qe7!?+=) 17.ed4+/– Nf6 (17...a5 18.Rfe1 Qc8 19.ba5+/– (19.Re6?! Nc5 20.Re7 Nd3 21.Qd3 ab4=)) 18.Qe2 (18.Rfe1 Re8+/–) 18...Qd7 (18...Bc8 19.Bc1+/–) 19.a4 (19.Rfe1 Rfe8+–) 19...h6 (19...Rab8 20.Bc1+/–) 20.b5 (20.Bc1!? Bc8+–) 20...ab5 21.ab5 cb5 22.Bb5 Bc6 23.Bd3 Rfb8 (23...Ra1 24.Ra1 Rb8 25.Bc1+/–) 24.Rfb1 (24.Ra8 Ba8 25.Re1 Bc6+/–) 24...Ra1 25.Ra1 Kf7 (25...Bb5 26.Bc1 Bd3 27.Qd3+=) 26.Bc3 (26.Bc1+/–) 26...g6 (26...Bb5 27.Qe5 Rb7 28.Bc2+/–) 27.f3 (27.Bd2 g5+/–) 27...Qe7 (27...Bb5 28.Qe5 Rb7 29.Bc2+/–) 28.Ra6 Qd7 29.Qa2 Bb5+/– 30.Rd6 Qb7? 31.Rb6+– Qc7?? 32.Rb5 g5 33.Rb8 Qb8 34.g3 h5 35.Bd2 Nd7 36.Bg5 Qb7 37.Qa4 (37.Qa4 Qc7 38.Qa8+–) 1–0. Wolf,Wolfgang – Hirt,Rudi, corr DDR–ch M793, 1985.

8.d4 0–0 9.Nc3 d5 10.Bd3 a5 =.

8.d4 a5 9.b5 =. 8.d4 d5 9.Bd3 Nbd7 10.Nbd2 a5 11.b5 ½–½. Fournier,Frederic – Le Roux,Frank, AJEC TH6/02, 1996.

8.0–0 0–0

9.Nc3 a5 10.b5 d5 =.

9.Nc3 d5 10.Bd3 (10.Be2 Nbd7= (10...c5 11.bc5 Bc5 12.Na4 Bd6 13.Qb3 Bc6) 11.Rc1 c5 12.bc5 Nc5 13.Na4 Ncd7) 10...c5 (10...Nbd7 11.Be2= (11.Bc2 c5 12.bc5 Nc5 13.Rb1 Rc8) 11...c5 12.bc5 Nc5 13.Rb1 Rb8) 11.bc5 Bc5 (better is 11...Nbd7= 12.Na4 Bc6 13.Be2 Qa5) 12.e4?? (better is 12.Na4 Bd6 13.Bf6 Qf6 14.Bh7 Kh8 15.Bc2+=) 12...de4–+ (12...Ne4?! 13.Qb1+=) 13.Ne4 Ne4 14.Be4 Be4 15.Re1 Bb7 16.Re5 Bf3 17.Qf3 Bd4 18.Bd4 Qd4 19.Ree1 Nd7 20.Qg3 Nf6 21.Rac1 Ne4 22.Qf3 Nd2 23.Qd1 Rfd8 24.Re2 Qf4 25.Rc2 Nf3! (25...Nf3 26.gf3 Rd1 27.Re1 Re1 28.Kg2 Qg5 29.Kh3 Rg1 30.Rc8 Rc8 31.f4 Qg4) 0–1. Nautiluschess – ColoradoJoe, ICS blitz, 2001.

9.d4 a5 10.b5 =.

9.d4 Nc6 10.Nc3 =. 9.d4 d5 10.Bd3+= c6 11.Nbd2 Nbd7 (11...a5 12.ba5 Ba6 13.Nb3+=) 12.Nb3+/– Rb8 13.Na5 Qb6 14.Rc1 Rfc8 15.Ne5 (15.Qe2 Ra8+/–) 15...Ne5+= 16.de5 Nd7 17.Bd4 (17.Qh5 h6+=) 17...Qc7 (better is 17...c5!? 18.Qa4 Bc6 (worse is 18...cd4 19.Qd7 Rc1 20.Rc1 de3 21.Qe7 ef2 22.Kf1+–) 19.bc5 Bc5 20.Nc6 Qc6 (20...Rc6?? 21.Rb1+–) 21.Qa6 Rb6+=) 18.Qh5 g6 19.Qe2 Ra8 20.f4 (20.e4 c5+/–) 20...Bf8 (20...c5 21.Qd2+= (worse is 21.Nb7 Qb7 22.bc5 Nc5=)) 21.Rf3 (21.e4 c5+/–) 21...Bg7? (21...c5!?+=) 22.Rh3 (22.e4 Rd8+–) 22...Nf8 (22...Bf8 23.e4 (23.Nb7?! Qb7 24.Rb1 c5 25.bc5 Qc6=) 23...c5 24.ed5 Bd5 25.Ba6+/–) 23.g4 (23.Qc2 Nd7+–) 23...Rcb8 24.Qg2 Rc8 25.Qg3 Qd7 (25...Rd8 26.f5+/–) 26.f5! ef5 27.gf5 Rab8 28.f6 Bh8 29.Qh4 1–0. HaBoe – Fournier,Frederic, Partie evaluee, 2m + 1s, 2008.

9.d4 d5 10.Be2 Nbd7 11.Nc3 c6 12.Nd2 Qc7 13.Bf3 (better is 13.Nb3!?+=) 13...Bd6 14.g3 e5 15.de5 Ne5 16.Bg2 Ned7 (16...a5 17.b5+=) 17.e4 de4 (better is 17...a5!?=) 18.Nce4+= Ne4 19.Ne4 Rad8?? (better is 19...Be7+/–) 20.Nd6 Nf6 21.Bf6 gf6 (21...Rd6 22.Be5 Rd1 23.Bc7+–) 22.Qg4 Kh8 23.Nf5 Rg8 24.Qh4 Rg6 25.Rac1 Qd7 26.Ne3 Qd3 (26...Qe6+–) 27.Rfd1 1–0. capichess (1750) – Fournier,Frederic (1870), Active, 2005.

9.d4 d5 10.Be2 Nbd7 11.Nbd2 Nb6 12.Rc1 Rc8 13.Ne5 Bd6 14.Nc6 Bc6 15.Rc6 Qd7 16.Qc2 Ra8 17.Rc1 a5 18.b5 a4 19.h3 Qe7 20.Nb1 Nfd7 21.Qd1 g6 22.Bd3 f5 23.R1c2 Kg7 ½–½. Radwan,Jan (1690) – Szamrej,Jozef (1810), Mistrzostwa Polski w Szachach Niepelnosprawnych Poland, 2009.

9.d4 Be4 10.Nbd2 d5 (10...Bd5 11.Bd5 Nd5 12.e4+=) 11.Be2 (11.Ne4 Ne4 12.Qc2 a5+=) 11...Nbd7 (11...Bf5 12.Nh4+=) 12.Nb3 (12.Ne4 Ne4 13.Rc1 Bd6+=) 12...Bd6 (12...Re8 13.Nc5=) 13.Nfd2 e5 (13...Bf5 14.Nc5=) 14.Na5 (14.Ne4 Ne4 15.Nc5 Bc5 16.dc5 c6+=) 14...ed4 (14...Bf5!?=) 15.Nc6+= Qe8 16.Bd4 (16.Ne4 Qe4 17.Bd4 Qh4+/–) 16...Ne5 17.Ne5 Be5 18.Be5 Qe5 19.Nb3 (19.Rc1 Rfe8=) 19...Nd7 (19...Qg5 20.Bf3=) 20.Rc1 Qd6 (20...Rfe8 21.Rc6=) 21.Qd4 (21.Nd2 Ne5+=) 21...c6 (21...Qg6 22.f3 Bf5 23.Rc7+/–) 22.Rc3 Rfc8 (22...Qg6 23.f3 Bf5 24.Rfc1+/–) 23.Rfc1 (23.Nc5 Nc5 24.Qc5+=) 23...Bf5 (23...Qg6!? 24.f3 Bf5+=) 24.Bf1 h6 25.Na5 Nb8 (25...Ne5 26.f4 Ng4 27.h3+– (27.Rc6?! Qe7+=)) 26.Rc5 (26.Nc4!? Qd8 27.Nb6 c5 28.bc5 Nc6+–) 26...Be6 (26...Qg6 27.Qc3+/–) 27.e4 (27.Bd3 Rc7+/–) 27...Qd7 (27...Qf4 28.Bd3+/–) 28.e5 Ra7 (28...Bf5 29.Bd3+/–) 29.R5c3 (29.Bd3 Bf5+–) 29...Kh7 (29...Bf5 30.Be2+/–) 30.Nb3 Rcc7 31.a4 Kg8 32.a5 Kf8 33.Nc5 Qe8 34.Bd3 Qc8 35.Qf4 Kg8 36.Qd4?? Kf8 37.f4 g6 38.Bf1 Kg7 39.h3 h5 40.Bd3 Kg8 41.Kh2 Bf5 42.Be2 Nd7 43.Rb3 Nc5+/– 44.bc5 Qe8 45.g4 hg4+= 46.hg4 Bc8 47.Kg3 f6 48.Bf3 fe5= 49.fe5 Qe6 50.Rb6 Rd7 51.g5 Rd8 52.Bg4 Qe7 53.e6 Qg5 54.Re1 Rh7+= 55.Qf4?? Qh4–+ (55...Qh4 56.Kg2 Qe1 57.Rc6 Qh1 58.Kf2 Rh2 59.Qh2 Qh2 60.Ke1 Qg1 61.Kd2 Qg4–+) 0–1. Riesco – Galan Gonzalez,Francesco, Alicante op2, 1989.

9.h3 Ne8 10.Be2 Bf6 11.Bf6 Nf6 12.Nc3 Nc6 13.d4 Ne7 14.Nd2 Ned5 15.Nd5 Nd5 16.Rc1 Nf6 17.Bf3 Bf3 18.Qf3 (worse is 18.gf3 Nd5+=) 18...d5 19.Nb3 Ne4 20.Rc2 Qd7 21.Rfc1 Rfc8 (better is 21...Qa4!? 22.Nc5 Nc5 23.Rc5 Qa3 24.Rc7 Qb4+=) 22.Nc5+/– Nc5 23.Rc5 (23.bc5?! Rcb8=; 23.dc5?! Qa4=) 23...Ra7 24.Qe2 c6 25.a4 Qb7 26.b5 ab5 27.ab5 Rca8 28.Rc6 g6 29.Qb2 Ra2 30.Qb4 Kg7 31.Rc7 Qb6 (better is 31...Qb8+–) 32.Qe7 Rf8 33.Qc5 (better is 33.Rb7!? Qd8 34.Qe6 Kg8 35.Rf7 Rf7+–) 33...Rb8 34.Rb1 Ra5? (better is 34...Qa5+–) 35.Qe7 Rf8 36.Rb7 Qd8 37.Qd8 Rd8 38.b6 Raa8 39.Rc7 Rdb8 40.Kf1 h5 41.Rb2 g5 42.Ke2 Kg6 43.g4 hg4 44.hg4 f5 45.Kf3 Ra6 46.b7 Ra7 47.Kg3 Kf6 48.Rb3 Kg6 49.f4 Kf6 50.Kf3 Kg6 51.Rb6 Kf6 52.fg5 Kg5 53.gf5 Kf5 54.Re7 Kg5 55.Ree6 Rbb7 56.Re5 (56.Re5 Kh4 57.Rh6) 1–0. Hal1958 – HOTSUN, playchess.de, 2005.

6.c4 c5

7.cb5 cb4 8.a4 a5 9.Be2 Be7 10.0–0 0–0 11.d3 d6 12.Nbd2 Nbd7 13.Rc1 Nc5 14.Nd4 Rc8 15.Nc6 (15.Nc4 Nfd7=) 15...Bc6 (15...Rc6!? 16.bc6 Bc6 17.Bf6 Bf6+=) 16.bc6= Qb6 (worse is 16...Rc6 17.d4+/–) 17.d4 (17.Bf6 Bf6 18.d4 Na6=) 17...Na6= 18.Nc4 Qd8 19.Qd3 (19.Nd6 Qd6 20.Ba6 Rc6 21.Rc6 Qc6=) 19...Nb8+= (worse is 19...Rc6 20.Na5 Rc1 21.Rc1 Qa5 22.Qa6 Qa6 23.Ba6=) 20.Rfd1 Nc6 21.Bf3 d5 22.Ne5 Ne5 23.de5 Rc1 24.Rc1 Nd7 25.Qb5 f6 (better is 25...Nb6!?+=) 26.Qc6+= Kf7 (26...Ne5 27.Qe6 Kh8 28.Be5 (worse is 28.Qd5 Nf3 29.Qf3 Qd2+=) 28...fe5 29.Qe5+=) 27.Bg4 (27.Bd5 Nc5 28.Rc5 ed5+/–) 27...f5+– 28.Bf5 ef5 29.e6 Kg8 30.ed7 (30.Qd7?! Qd7 31.ed7 Rd8+=) 30...Qa8?? (better is 30...Rf7 31.Qd5 Bf8+–) 31.Qa8 (31.Qa8 Ra8 32.Rc8 Kf7 33.Ra8+–) 1–0. Thorsteinsson,Erlingur (2125) – Thorsteinsson,Leifur, Reykjavik ISL, Open, 2011.

7.cb5 cb4 8.ba6 ba3?? 9.ab7+– ab2 (9...Ra7+–) 10.ba8Q ba1Q 11.Qa1 (11.Qa1 Bb4 12.Qaa4+–) 1–0. Wall,Bill – Snoopy, internet, 2003.

7.cb5 cb4!? 8.ba6 Na6 9.ab4 Nb4 10.Ra8 Ba8 =.

7.cb5 cb4 8.ab4 ab5 9.Ra8 Ba8 10.Bb5 Bf3 (10...Bb4!? 11.0–0 Bc6=) 11.Qf3+/– Bb4 12.0–0 Be7 13.Qb7 0–0 14.Rc1 d5 15.Bd4 Nbd7 (15...Bd6 16.Bb6 Qe7 17.Qe7 Be7 18.Bd4+=) 16.Rc7+/– e5 (16...Bd6 17.Rd7 Nd7 18.Bd7+= (worse is 18.Qd7 Qd7 19.Bd7 Rb8+=)) 17.Ba7+– (17.Bd7?! ed4 18.Bf5 Bd6=; 17.Rd7 Nd7 18.Nc3 ed4 19.Nd5 Bd6 20.Qd7 Qd7 21.Bd7 Rd8–+) 17...Bd6 18.Rd7 Nd7 19.Bd7 (19.Qd7? Qd7 20.Bd7 Ra8–+) 19...Qa5 (19...Qc7 20.Qc7 Bc7 21.Na3+/–) 20.Bc6+– d4 21.g3 de3 22.de3 (worse is 22.Be3 Rb8 23.Qd7 Rb1 24.Kg2 Qc7–/+; 22.fe3?! Bb4 23.Bb6 Qa2+/–) 22...Qa2 23.Kg2 Qc2 24.Bd5 Qf5 (24...Qg6 25.Nc3+–) 25.Nc3 h5 26.Ne4 Ba3 27.Qb3 Be7 28.Qb7?? (28.Bb8 Rd8+–) 28...Rd8?? (28...Ba3 29.Qc7 h4 30.gh4 Qg6 31.Ng3 Qf6+–) 29.Bb8 h4 30.Nc3?? h3–/+ 31.Kf1? Qd3–+ 32.Ke1 Qc3 33.Ke2 Qc2 34.Kf3 Qd1 35.Ke4 0–1. Otte,Marco – Bouwman,Alex, Wag.Ext.4vsPion3, 2001.

7.cb5 ab5 8.bc5+/– Bc5 9.Bb5 0–0 10.Nc3 Qb6 11.a4 Nc6 12.0–0 Ba6 13.Qc2 Nb4 14.Qb1 d5 15.d4 Bd6 16.Ba3 Bb5 17.Nb5 Ra4 18.Nd6 Qd6 19.Ne5 Rb8 20.Qe1?? (better is 20.Nd3 Ne4 21.Bb4 (21.Nb4?! Nd2 22.Qc2 Nf1 23.Qa4 Qh2 24.Kf1 Qh1 25.Ke2 Qa1=) 21...Rab4 22.Nb4+–) 20...Ra3!–+ 21.Ra3 Nc2 22.Nf7 Kf7?? (better is 22...Qa3 23.Qd2 Ne3 (23...Kf7?! 24.Qc2 Rb2 25.Qc7 Qe7 26.Qe5–+) 24.fe3 Kf7–+) 23.Ra7= Kg8 24.Qc3 Nb4 25.f3 Nc6 26.Ra6 (26.Ra6 Nd4 27.Qd3= (worse is 27.Rd6 Ne2 28.Kh1 Nc3–/+)) 1–0. combijack (1830) – ph_lampe (1655), gameknot.com, 2009.

7.bc5 bc4 8.Bc4 Bc5 9.0–0 0–0 10.d4 Bb6 11.Nbd2 Ne4 (11...d6 12.Qe2+=) 12.Ne4 Be4 13.Bd3 (13.d5 Qe7+/–) 13...Bd3 (13...d5 14.Be4 de4 15.Nd2+=) 14.Qd3 Nc6 (14...d5 15.Rab1+=) 15.Rac1 (15.d5 Ne7+=) 15...Ne7 16.Ne5 (16.a4 d6+=) 16...f6 17.Nf3 d5 18.Rc2 Rc8 19.Rfc1 (19.Rc8 Qc8 20.Bc3 a5+=) 19...Rc2= 20.Rc2 (20.Qc2 Qd6=) 20...Qa8 21.Qb3 (21.a4 Rc8=) 21...Qa7 (21...Rb8 22.Qa4=) 22.h3 Rc8 23.Rc8 Nc8 24.Qa4 (24.e4 Qd7 25.e5 Qb5=) 24...Nd6= 25.Qc6 (25.Bc3 a5=) 25...Bc7 (better is 25...Qc7!? 26.Qa8 Qc8 27.Qc8 Nc8+=) 26.Nd2 (26.Qd7!? Bb8 27.Qe6 Qf7 28.Qf7 Kf7 29.Nd2+=) ½–½. Bennett,Hilton Petrie – Gibbons,Robert, NZL–ch105 Hamilton, 1998.

7.bc5 bc4 8.Bc4 Bc5 9.d4 Bb6 10.Nbd2 0–0 (10...Nc6 A) 11.Rb1 0–0 (11...d5 12.Bd3 0–0 13.0–0 Rb8 14.Qe2 a5) 12.0–0 d5 13.Bd3 Rb8 14.Qe2 a5; B) 11.Bd3 0–0 (11...d5 12.0–0 0–0 13.Rb1 Rb8 14.Qe2 a5; 11...Rb8 12.0–0 0–0 13.Qe2 a5 14.Rfc1 d5; 11...Bc7 12.Rb1 d5 13.Nb3 0–0 14.Nc5 Ba5) 12.0–0 d5 13.Rc1 Qe7 14.Nb3 Rab8; C) 11.0–0 0–0 (11...d5 12.Bd3 0–0 13.Rb1 Bc7 14.Qc2 Bd6) 12.Bd3 d5 13.Rb1 Bc7 14.Qc2 Bd6; 10...d5 11.Bd3 0–0 12.Rb1 a5 13.0–0 Ba6 14.Qb3 Bd3) 11.0–0 (11.Bd3 d5 12.Rb1 a5 13.Qe2 Ba6 14.0–0 Bd3; 11.Rb1 d5 12.Be2 Nc6 13.0–0 Rb8 14.Bd3 Qd6; 11.Rc1 d5 (11...Nc6 12.0–0 Bc7 13.Bd3 Nd5 14.Qc2 f5; 11...a5 12.0–0 d5 13.Be2 Ba6 14.a4 Qe7) 12.Bd3 a5 13.Nb3 Ba6 14.0–0 Bd3) 11...h6 (11...Nc6 12.Bd3+= d5 13.Rb1 Rb8 14.Qe2 a5; 11...d5 12.Bd3 Nc6 13.Rb1 Rb8 14.Qe2 a5; 11...a5 12.Be2 d5 13.Rc1 Ba6 14.a4 Qd6) 12.Re1 (12.Rb1 d5 13.Bd3 Nc6 14.Qe2 a5) 12...Nh7 (12...d5 13.Bd3+= Nc6 14.Rb1 Bc7) 13.e4 (13.d5 Nf6 14.Bf6 Qf6+/–; 13.Rb1 d5 14.Bd3 Nf6) 13...Nc6 (13...d5 14.Bd3+= de4) 14.d5 (14.Rb1 d5) 14...Ne7 (14...Na5 15.Rb1+/–) 15.d6. Plock,Joerg – Richter, 1991.

7.bc5 Bc5 8.cb5+/– ab5 9.Bb5 Qb6 (9...Ra5 10.Nc3+/–) 10.a4 Ba6 (10...Nd5 11.0–0 Nc7 12.Qe2+/–) 11.Nc3 (11.Bf6 gf6 12.Nc3 Bb5 13.Nb5 d5+–) 11...Nc6 12.0–0 0–0 13.d4 Bb4 14.Ba6 (14.Qd3 d5+/–) 14...Ra6 15.Qc2 d5 16.Rfb1 Na5?? (better is 16...Qa5+=) 17.Ba3+– Nc6 18.Rb2 (better is 18.Ne5+–) 18...Qa5+/– 19.Bb4 Nb4 20.Qb1 Nc6 21.Ne2 (21.Qd3 Rb6 22.Rb6 Qb6+/–) 21...g6 (21...Ne4 22.Rb5 Qd8 23.Qd3+=) 22.Rb5 Qc7 23.Qc2 Rfa8 24.Rc5 Qd7 25.g3 Kg7 26.Ne5 Ne5 27.de5 Ne4 28.Nd4?? Ra4?? 29.Ra4= Ra4? 30.Rc7+/– Qd8?? 31.Ne6+– (31.Qa4 Qc7 32.Qa1 Nd2+=). Fournier,Frederic – pioncillo, Active, 2009.

7.bc5 Bc5 8.cb5 ab5 9.Bb5 Ne4 10.0–0 (10.Bg7?! Rg8 11.Bb2 Rg2=) 10...0–0 11.d4 Bb6 12.Qc2 d5 13.Nbd2 Nd2 14.Qd2 Nc6 15.Bc6 Bc6 16.Rfc1 Qd6 17.Ne5 Rfc8 18.Nc6 Rc6 19.Rc6 Qc6 20.Qc3 Qa4 21.Qb4 Qb4 22.ab4 Rc8 23.Rc1 Ra8 24.Kf1 Kf8 25.Ke1 Ke7 26.Kd1 Kd7 27.f3 Ra2 28.Rc2 Bc7 29.h3 Bd6 30.Bc3 Ra4 31.Rb2 Kc6 32.Kc2 Kb5 33.e4 Bb4 34.Bb4 Rb4 35.Rb4 Kb4 36.Kd3 g5 37.g3 Kb3 38.f4?? (38.e5 Kb4 39.h4 gh4 40.gh4–+) 38...gf4–+ 39.gf4 f5 40.e5 h5 41.h4 Kb4 (41...Kb4 42.Kd2 Kc4–+) 0–1. Hal1958 – Saemi, playchess.de, 2004.

6.c4 c6

7.cb5 ab5 8.Nc3 c5 (better is 8...Be7!?=) 9.bc5+/– Bc5 10.a4 (better is 10.Bb5!? 0–0 11.d4+/–) 10...b4= 11.Nb5 0–0 12.d4 Bb6 13.Nd6 Bc6 14.Bb5 Bb5 15.Nb5 (worse is 15.ab5 Ra1 16.Qa1 Qc7–/+) 15...Ba5 16.0–0 Nc6 17.Ne5 Ne5 (17...Ne7 18.Qf3=) 18.de5+= Ne4 19.Qb3?? (better is 19.Rc1+=) 19...Nd2–/+ 20.Qd3 Nf1 21.Rf1 d5 (better is 21...Bb6–/+) 22.Nd6? (better is 22.ed6!? Qd7 23.Qb3+=) 22...Qb6 23.Bd4 Qa6 24.Nb5 Rfb8 25.Rb1 Qc6 26.h3 Qc4 27.Qd2? Rc8 28.Nd6 Qc2 29.Qd1 Rc6 30.Qf3?? Qb1 31.Kh2 b3 32.Qf7+– Kh8 33.Qe7 Rd6! 34.ed6 b2 35.Qg7 1–0. OPA – badboy1221, Live Game Caissa's Web, 2004.

7.cb5 cb5 8.Nc3 d5 9.d4 Nc6 10.Be2 g6 (10...Bd6 11.0–0=) 11.0–0+= Bg7 12.Rc1 0–0 13.Nb1 Ne4 14.Nbd2 Nd6 15.Nb3 Nc4 16.Bc4 bc4 17.Nc5 Bc8 18.Bc3 Na7 19.Qa4 Nb5 20.Bb2 Re8 21.Qc2 f6 22.Rfe1 Bf8 (22...Nd6 23.e4+=) 23.e4 Bc5 (better is 23...Bh6!? 24.Rcd1 Nd6+=) 24.dc5+– Bb7 25.ed5 ed5 (25...Bd5 26.Nd2+–) 26.Re8 Qe8 27.Re1 (better is 27.a4!? Nc7 28.Bf6+–) 27...Qf7+/– 28.Nd4 Nd4 29.Bd4 Re8 30.Qd2 Bc6 31.Kf1 Re1 32.Qe1 Kg7 33.Qc3 Qe7 34.Qe3 Qe3= 35.fe3 Kf7 36.Kf2 h5 37.h4 Ke6 38.g3 g5 39.hg5 fg5–/+ 40.Kf3 Kf5 41.Kf2 Ke4 42.Ke2 Bb5 43.Bf6–/+ h4! 44.gh4 gh4 45.Bh4 c3 46.Kd1 Ke3 47.Kc2 Kd4?? 48.Bf6+= Kc4 49.Bc3 d4 50.Bd2 Ba4= 51.Kb2 Kd3 52.Bh6 Ke2 53.Bg7 d3 54.Bc3 d2 55.Bd2 Kd2 56.Ka2? Kc3 57.b5? Bb5 58.Kb1 Kd4 59.Kb2 Kc5?? 60.Kb3 a5 61.Kc3 Kd5 62.Kb3 Kd4 63.Kc2 Kc4 64.Kb2 Kd3 65.Kb3 Kd2 66.Kb2 Kd1 67.Kb3 Kc1 68.Kc3?? Kb1 69.Kd4 Ka2 70.Kc5 Be8 71.a4 Ka3 72.Kb6 Ka4 73.Kc5 Kb3 74.Kb6 a4 0–1. Fournier,Frederic (1705) – michloun, Active, 2006.

7.Nc3 Be7 =.

7.c5 a5 8.d4 =.

7.c5 Be7 8.Bd3 (8.d4 a5=) 8...0–0 (8...d6 9.cd6 Qd6 10.Bc2=) 9.Qc2 h6 10.0–0 d5 (10...a5 11.e4=) 11.Nc3 (11.a4 ba4 12.Qa4 a5+=) 11...Nbd7 (11...a5 12.Ne2+=) 12.e4 (12.Be2 e5+=) 12...Ne4 (12...e5 13.ed5 cd5 14.Bf5=) 13.Ne4+= de4 14.Be4 Nf6 15.Rae1 (15.Qc3 a5+=) 15...Ne4 16.Re4 (16.Qe4 a5=) 16...Bf6 (16...a5 17.Rd4 Qe8 18.ba5=) 17.Rfe1 (17.Bf6 Qf6 18.Ne5 Qf5+=) 17...a5= 18.Bc3 Bc3 (18...ab4 19.ab4 Qe7 20.Rf4 Bc3 21.Qc3+=) 19.Qc3 ab4 20.Qb4 (20.ab4 Qf6+=) 20...Qd3 (better is 20...Qa5=) 21.Rd4 (better is 21.R4e3!? Qf5 22.d4=) 21...Qa3–/+ 22.Qa3 Ra3 23.Rd7 Ba6 (23...Ba8 24.Ne5–/+) 24.Rc7 (24.Ne5!? b4 25.Nc6–/+) 24...Rc8 25.Rc8 (25.Ra7 b4 26.Ne5 b3–+) 25...Bc8 26.Ne5 (26.d4 Kf8–/+) 26...Bb7 27.Re3?? Ra1 (27...Ra1 28.Re1 Re1) 0–1. Twin – Wall,Bill, internet, 2005.

7.d4 d6 8.Nbd2 Nbd7 9.cb5 ab5 10.Be2 Be7 11.0–0 0–0 12.Nb3 Qb8 13.Na5 Nb6 14.Qb3 Na4 15.Rfc1 Rc8 16.Nd2 Nb2 17.Qb2 (17.Nb7? Nc4 (17...Qb7?! 18.Qb2 Ra4 19.Nb3=) 18.Nc4 bc4 (18...Qb7?! 19.Na5 Qd7 20.a4=) 19.Qc4 Qb7–+) 17...Nd7 18.Ndb3 Ra7 19.Nb7 Qb7 20.Na5 Qb6 21.Bf3 (21.a4 ba4 22.Ra4 c5+=) 21...c5= 22.Nb3 (22.a4!? ba4 23.dc5 Rc5 24.Nc6=) 22...c4+= 23.Nd2 d5 24.Nb1 Bf6 25.Nc3 Rb8 26.Ra2 Qc6 27.Qc2 Nb6 28.Rd1 Na4 29.Na4 Ra4 (worse is 29...ba4 30.Rb2=) 30.e4 Rba8 31.ed5 ed5 32.Qf5 Rd8 33.g4 Qe6 34.Qf4 Qd6 35.Qf5 g6 36.Qc2 Rda8 37.Qc1 Rb4! 0–1. Fournier,Frederic (1855) – Heudre,Dominique (1870), Coupe, 2013.

7.Be2 Be7 8.0–0 0–0 9.c5 d6 10.d4 d5 (10...a5 11.Nc3=) 11.Ne5 (11.a4 Nbd7+=) 11...Ne4 12.Bf3 Bf6 (12...f6 13.Nd3+=) 13.Be4+/– Be5 (13...de4 14.Qg4 Be5 15.de5+/–) 14.Bd3 (better is 14.Bh7 Kh7 15.Qh5 Kg8 16.de5+–) 14...Bh2? (better is 14...Bc7+=) 15.Kh2+– Qh4 16.Kg1 f5 17.g3 Qh3 18.Re1 (18.a4 Rf6 19.Qf3 Rh6+–) 18...g5 (18...a5 19.Bf1 Qh6 20.a4 ab4 21.ab5 Ra1 22.Ba1 cb5 23.Bb5+–) 19.Bf1 Qh6 20.Kg2 g4 21.Be2 Rf6 22.Rh1 Qg6 23.Nd2 Nd7 24.Qc2 e5 25.de5 Ne5 26.Be5 Re6 27.Bf4 Re4 28.Bd3 Rae8 29.Ne4 de4 30.Qb3 Kg7 31.Be2 Rd8 32.Rh6 Qf7 33.Qf7 Kf7 34.Rh7 Kf6 35.Rb7 Rd2 36.Kf1 Rc2 37.Rb6 Rd2 38.Rc6 Ke7 39.Ra6 Kd7 40.Rb6 Kc8 41.Rb5 Re2 1–0. TIROLOCO – badboy1221, Live Game Caissa's Web, 2004.

6.Be2 c5

7.a4 ba4 8.bc5 Bc5 =.

7.c3 c4 8.0–0 d5 9.a4 Bd6 10.ab5 ab5 11.Na3 (11.Ra8 Ba8 12.Na3 Bc6 13.Nd4 Qb6 14.d3 0–0 15.f4 Rc8 16.Qd2=) 11...Bc6 (11...Qd7 12.Nd4 Bc6 13.f4 0–0 14.d3 Rc8 15.Qd2 Rc7 16.Nc6=) 12.Nd4 Qc7?? (better is 12...Qd7= 13.d3 0–0 14.Qd2 Rc8 15.f4 Na6 16.Nc6+=) 13.Nab5+– Ra1?? (better is 13...Qd7 14.Ra8 Ba8 15.Nd6 Qd6+–) 14.Nc7 (14.Qa1?! Bh2 15.Kh1 Qb7=; 14.Ba1?! Bh2 15.Kh1 Qb7=) 14...Bc7 15.Qa1 (15.Qa1 0–0 16.d3 cd3 17.Bd3+–) 1–0. pierre – fafan, internet, 2011.

7.bc5 Bc5

8.0–0 0–0 9.a4 b4 10.c3 Nc6 =.

8.0–0 0–0 9.c4 bc4 10.Bc4 d5 11.Ba2 (11.Be2 Nc6=) 11...Nbd7 (11...Nc6 12.Bb3+=) 12.d3 (better is 12.Nc3+=) 12...e5 (better is 12...Rb8+=) 13.Ne5+/– Ne5 14.Be5 Rc8 (14...d4 15.Qc1 Nd7 16.Bd4 Bd4 17.ed4+=) 15.d4 (15.d4 Bd6 16.Nd2+/–) 1–0. maaac (2370) – sagaz (2370), net–chess.com, 2007.

8.0–0 0–0 9.c4 Bc6 10.d4 Ba7 11.Nc3 bc4 12.Bc4 Bf3 13.Qf3 (worse is 13.gf3 d5 14.Bd3 Nbd7=) 13...d5 14.Ba2 (14.Bd3!?+/–) 14...Nc6= 15.Rac1 Na5 16.e4 (16.Rc2 Qd6+=) 16...de4 (16...Rb8!? 17.Qe2 Bd4+=) 17.Ne4= Ne4 18.Qe4 Rc8 (18...Rb8 19.Bc3 Re8+=) 19.Qe5 (better is 19.d5 Rc1 20.Rc1+/–) 19...Nc6+= 20.Qg3 (20.Qe4!? Qb6 21.Qc2+=) 20...Bd4–/+ 21.Bd4 Nd4 22.Qg4 Nf5 23.Rcd1 Qa5 24.Qb4 Qb4 25.ab4 Rfd8 (25...Rb8 26.Bc4–/+) 26.h3? (better is 26.Bc4!+=) 26...g5 (26...Nd4!? 27.Rb1–+) 27.Rd8–/+ Rd8 28.Rb1 Nd4 29.Kf1 Rd7 30.Ke1 (30.Bc4 Nb5 31.Ra1 Rd4–/+) 30...f6 (30...Nc2 31.Ke2 Rb7 32.g3–+) 31.b5? (better is 31.Rd1 Nc2 32.Ke2 Rd1 33.Be6 Kf8 34.Kd1 Nb4 35.Bf5–/+) 31...ab5–+ 32.Rb5 (32.Kd2 Kf7–+) 32...Nb5 33.Be6 Kf8 (better is 33...Rf7–+) 34.Bd7= Nd6 35.Kd2 Ke7 36.Bg4 f5 37.Bd1 ½–½. OrangAttackMan – Darkseid, ChessWorld.net, 2011.

8.0–0 0–0 9.d4 Bd6 10.a4 =.

8.0–0 0–0 9.d4 Be7 10.a4 =.

8.0–0 0–0 9.d4 Be7= 10.Nbd2 d5 =.

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!?=) 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.

8.0–0 d5 9.a4 ba4 10.Ba3 Bd6 =.

8.0–0 d5 9.d4 Bd6 10.Nc3 Nbd7 11.Qd2 Qe7 12.Rfd1 Nf8 13.Rab1 Rc8 14.Na2 Ba3 15.Qa5 Bb2 (15...Rc2?! 16.Ba3 Ra2 17.Bb5 ab5 18.Qb5 Qd7 19.Bf8 Qb5 20.Rb5 Rf8 21.Rb7=) 16.Rb2 Ng6 17.Ne5 (better is 17.Nb4 Qd8 18.Ra1=) 17...Nf8?? (17...Ne5!? 18.de5 Ne4–+) 18.Rc1?? (better is 18.Bb5 ab5 19.Qb5 N8d7 20.Qb7+/–) 18...N8d7 19.Nd7 Nd7 20.Nb4 Nf6?? 21.h3 0–0 22.c3?? Ne4–/+ 23.Rbc2 Rc3?? 24.Rc3+– Nc3 25.Rc3 Qd7? 26.f4 Rc8 27.Rc8 Bc8? 28.Na6 Ba6 29.Qa6 g6 30.Bb5 Qc7 31.Qc6 Qa7 32.Qe8 Kg7 33.Kf2 Qa2 34.Kf3 Qd2 35.Qe7 Qd3 36.Be8 Qe4 37.Kf2 Qc2 38.Kf3 (better is 38.Kg1 Qf5 39.g4+–) 38...Qe4= 39.Kf2 Qc2 40.Kg3 Qe2 (40...Qe2 41.Kh2 Qc4 42.Qf7 Kh6 43.Qf8 Kh5 44.g4 Kh4 45.Qh6) 0–1. Neumann,Frank – Neil,Charlie, OP–2011–0–01784, 2011.

8.0–0 d5 9.d4 Bd6 10.Nbd2 Nbd7 11.Bd3 (11.a4 b4=) 11...Rc8 12.Qe2 Nb6 13.Rfb1 0–0 14.Ra2 (14.Ne5 Qc7+=) 14...Ne4 (14...Qe7 15.Bc1+=) 15.Ne1 (15.Ne5 Nd2 16.Qd2 f6–/+) 15...Qc7–/+ 16.g3 (16.Ndf3 Na4 17.Be4 de4–+) 16...Na4 17.Be4 de4 18.Nb3 (18.f4 ef3 19.Ndf3 Bd5–+) 18...Qe7 (18...Bd5 19.Qg4–+) 19.Nc5 (19.h3 Bd5–+) 19...Nc5 20.dc5 Rc5 21.Bd4 (21.a4 b4–+) 21…Rc4 (21...Rc4 22.a4 Bd5 23.ab5 Rd4 24.ed4 Ba2–+; 21...Rcc8 22.a4 e5 23.Bb6–+) 0–1. Le Roux,Frank – Deneuville,Christian, AJEC TH6/02, 1996.

8.0–0 d6 9.d4 Bb6 10.Nbd2 Nbd7 11.c4 bc4 12.Nc4 Bc7 13.a4 (13.Rb1!?=) 13...Bf3+= 14.Bf3 d5 15.Nd2 (15.Ne5 Ne5 16.de5 Nd7+=) 15...Qb8 (15...Bh2 16.Kh2 Qb8 17.Kg1 Qb2 18.Rb1+=) 16.Ba3 (16.Rb1 Bh2 17.Kh1 Bc7+=) 16...Bh2 17.Kh1 Bc7 18.Rb1 (18.Rc1 h6+=) 18...Qd8 19.g3 (19.Kg1 Rc8+=) 19...Ba5 (19...h5 20.Kg2–/+) 20.Nb3 (20.Kg2 Rc8–/+) 20...Rc8 (20...h5 21.Kg2–/+) 21.Na5 (21.Be2 Rc6+=) 21...Qa5 22.Rb7 (22.Be2 Nb6+=) 22...Qc3 (22...h5 23.Kg2–/+) 23.Rb3 (23.Qc1 Ne4 24.Ra7 Qc1 25.Rc1 Rc1 (25...Nf2? 26.Kg2 Rc1 27.Bc1+–) 26.Bc1 Nf8+/–) 23...Qc6–/+ 24.Qb1 (24.Qc1 Qa8 25.Qd2 Rc4–/+) 24...Qa4 25.Rc1 Rd8 26.Rc7 (26.Bd6!?–/+) 26...h5 27.Kg2 (27.Bd6 h4 28.gh4 g5–+) 27...h4 28.gh4 Rh4 29.Rc1 (29.Bd6!? Ne4 30.Ra3–/+) 29...Ne4–+ 30.Be4 (better is 30.Qd3–+) 30...Re4?? (better is 30...de4 31.Rh1 Rh1 32.Qh1 Nf8–+) 31.Rh1+/– Rg4 32.Kf3 Ne5 33.de5 Rh4 34.Rh4 (34.Rg1 Rh3 35.Ke2 Qc4 36.Qd3 Qd3 37.Kd3 Rh7+/–) 34...Qh4 35.Rb7 (35.Ke2!? Qg4 36.Kd2+/–) 35...Qh5= 36.Kg2 Qg4 (36...Qe5?? 37.Re7 Kf8 38.Re6 Kg8 39.Re5+–) ½–½. Le Roux,Frank – Grillon,Jean Marie, AJEC TH6/02, 1996.

8.a4 b4= 9.0–0 0–0 10.c3 Nc6 =.

8.d4 Bb6 9.0–0 0–0 10.c4 bc4 11.Bc4 d5 12.Bd3 Nc6 13.Nbd2 e5 (better is 13...Rb8=) 14.Ne5 Ne5 15.de5 Nd7 16.Qh5 g6 17.Qh6 Ne5 1–0. nbh999 (2040) – Meeuw, ChessWorld.net, 2003.

6.Be2 Be7

7.0–0 0–0 8.Nc3 d5 9.d4 Nbd7 10.Qd3 Nb6 11.Rab1 Nc4 12.Qd1 Nb2 13.Rb2 c6 14.Qd3 a5 15.Ne5 Qb6 16.Rfb1 ab4 17.ab4 Ra7 18.e4 Rfa8 19.ed5 ed5 20.h3 Ra1 21.Ra1 Ra1 22.Kh2 Bd6 23.f4 Ra3 24.Bf3 Qc7 25.Qd2 Nd7 26.g3 Nb6 27.Ra2 Bb4–/+ 28.Ra3 Ba3 29.Qe2 f6 30.Nd3 Kf7 31.Bh5 g6 32.Nb1 Bd6 33.Bg4 Bc8 34.Bc8 Qc8 35.Nd2 Na4 36.Kg2 Qe6 37.Qe6 Ke6 38.Nb3 h5 39.Kf3 Bc7 40.Nb4 Kd7 41.Ke3 Bd6 42.Nd3 Nc3 43.Nbc5 Bc5 44.Nc5 Kd6 45.Kd3 Na4 46.Nb7 Kc7 47.Na5 Kb6 48.Nb3 Kc7 49.Na5 Kd6 50.Nb7 Ke7 51.Na5 Kd7 52.g4 hg4 53.hg4 Nb2 54.Kc3 Nd1 55.Kb4 Ne3 56.Kc5 Ng4 57.Nc6 Ne3 58.Nb4 Ke6 59.Kb5 g5 60.fg5 fg5 61.Kc6 g4 62.c3 g3 63.Nd3 Kf5 64.Nc1? g2 65.Ne2 Ke4 66.Ng1 Kd3 67.Kc5 Kc3 68.Nf3 Kd3 69.Ng1 Ke4 70.Nh3 Kf3 71.Kd6 Kg3 72.Ng1 Kf2 73.Nh3 Kf1 74.Kc5 g1Q 75.Ng1 Kg1 0–1. Mephisto Mondial – Fournier,Frederic (2215), Match Active, 2001.

7.0–0 0–0 8.c4 bc4 9.Bc4 d5 10.Be2 a5 11.b5 =.

7.0–0 0–0 8.c4 bc4 9.Bc4 d5 10.Be2 c5 11.bc5 Bc5 12.d4 Bd6 13.Nbd2 Qb6 14.Qb3 Nbd7 15.Qb6 Nb6 16.a4 Rac8 (16...Bc6 17.a5 Na4 18.Ba3 Ba3 19.Ra3+=) 17.a5 (17.Ba3 Ba3 18.Ra3 Rc7+/–) 17...Nc4 (17...Nbd7 18.Ba3 Ne4 19.Rfb1+=) 18.Nc4+/– dc4 19.Rfc1 Bd5 20.Ba3 (20.Ne5 Rb8 21.Ba3 Ba3 22.Ra3 g5+/–) 20...Ba3= 21.Ra3 Rc7 22.Ne5 Increasing the pressure on the isolated pawn on c4 22...Rb8 (22...Ne8 23.e4 Be4 24.Rc4 f6=) 23.h3 (23.f3 Rb2 24.Bc4 Bc4+/–) 23...Rb4 (23...Ne8 24.Ra2= (24.Bc4? Nd6–+)) 24.Rac3 (24.Nd3 Rb8 25.Nc5+=) 24...Ra4?? (better is 24...Ne4 25.R3c2 Nd6=) 25.f3 Ra5 26.e4 Bb7? (26...Ra2 27.ed5 ed5+/– (27...Re2? 28.Rc4 Rc4 29.Rc4+–)) 27.Rc4+– Rc4 28.Bc4 g6 29.Rb1 Be4 30.fe4 Ne4 31.Nf3 (31.Bd3!? Nd6 32.Rb6 Nf5 33.Bf5 ef5 34.Rb8 Kg7+–) 31...Ra4 32.Rc1 Nd6 33.Be2 Ra2 34.Kf2 (34.Rc6 Nf5 35.Ba6 Ne3+–) 34...Ne4 35.Ke1 a5 0–1. blackdogs (2450) – crobert (2520), net–chess.com, 2014.

7.0–0 0–0 8.c4 bc4 9.Bc4 d5 10.Be2 Nc6 11.Nc3 (11.Qc2!?+=) 11...d4= 12.ed4 Nd4 13.Nd4 Qd4 14.Qc2 c5 (14...Qf4!?+=) 15.Na4+= Qe4 16.Qe4 Ne4 17.Nc5 (17.Rfc1 Nd2 (worse is 17...cb4 18.Rc7+/–) 18.Nc5 Bc5 19.bc5 Nb3=) 17...Bc5 (17...Nc5 18.bc5 Bc5 19.Rab1+=) 18.bc5= Nd2 (18...Nc5 19.Be5=) 19.Rfd1 Nb3 20.Rab1 Be4 (20...Nc5? 21.Bd4 Rfc8 22.Bc5 Bg2 23.Kg2 Rc5 24.Rd7+–) ½–½. Roos,Bernhard – Pratsch,Thomas, DESC, 2001.

7.0–0 0–0 8.d4 d5 9.Nbd2 Nbd7 10.Nb3 Nb6 11.Nc5 Qc8 12.Bd3 h6 13.Ne5 Bc5 (13...Nc4 A) worse is 14.Nb7 Nb2 (14...Qb7?! 15.Bc4 dc4 16.Ng4=) 15.Nc6 Qb7 16.Ne7 Kh8–+; B) 14.Bc4 dc4 15.f3=) 14.dc5+/– Nc4? (better is 14...Na4 15.Bd4 Qe8+/–) 15.Bc4+– dc4 16.c6 Rd8 (16...a5 17.cb7 Qb7 18.Qe2+–) 17.cb7 (17.cb7 Qb7 18.Bd4+–) 1–0. Semenko,Georg (1800) – Ruf,Karl, 7sen.BayEM Schney, 1995.

7.0–0 c5 8.bc5 Bc5 9.d4 Bb6 10.c4 bc4 11.Bc4 d5 12.Bb3 0–0 13.a4 Nc6 14.Bc3 Bc7 15.a5 (15.Qd3 a5 16.Na3 Ba6+=) 15...Qd6 (15...Na5 16.Ba5 Ba5 17.Qd3–/+) 16.Ne5+= Nd7 (16...Ne4 17.Bb2+=) 17.f4= Qe7 18.Nd2 f6 19.Nd7 Qd7 20.Ba4 Qd6 21.Rb1 Bc8 22.Nf3 e5? (better is 22...Bd7=) 23.fe5 fe5 24.Bc6 (better is 24.de5!? Qc5 25.Rc1+–) 24...Qc6+= 25.Ne5?? (25.Bb4 Rf7 26.Ne5 Be5 27.Rf7 Bh2 28.Kh2 Kf7 29.Qf3 Bf5 30.Qf5 Kg8 31.Rf1 Qh6 32.Kg3 Qg6 33.Qg6 hg6 34.Bd6+–) 25...Be5?? (better is 25...Rf1 26.Kf1 Qc3–/+) 26.de5 Qc3? 27.Qd5 Be6+/– 28.Qe6 Kh8 29.Rf8 Rf8 30.Qe7 Qe3 31.Kh1 Rc8 32.Rg1 h6+= 33.e6 Qg5?? 34.Qd7 Qd8 35.Qd8 Rd8 36.e7 Re8 37.Re1 Kg8 38.Kg1 Kf7= 39.Kf2 Re7 40.Re7 Ke7 41.Ke3 Kd6 42.Kd4 Kc6 43.Kc4 g6?? 44.g3?? g5= 45.h3 h5 46.Kb4?? Kd5–+ 47.Kc3 Kc5 48.Kb3 Kb5 49.Ka3 Ka5 50.Kb3 Kb5 51.Ka3 g4 52.hg4 hg4 53.Kb3 a5 54.Ka3 a4 55.Kb2 Kb4 56.Ka2 a3 57.Ka1 Kb3 58.Kb1 1–0. stoker – revbodio1, Live Game Caissa's Web, 2004.

7.d3 0–0 8.Nbd2 c5 9.bc5 Bc5 10.0–0 Nc6 11.Ne5 Ne5 12.Be5 d6 13.Bf6 Qf6 (worse is 13...gf6 14.d4 Bb6 15.c4+=) 14.e4 Qg6 15.c3 Rfc8 ½–½. birdmove (2250) – ramoschessbrasil (2480), net–chess.com, 2011.

7.d4 0–0 8.c4 bc4 9.Bc4 d6 10.Nbd2 Nbd7 11.0–0 Nb6 12.Bd3 Qd7 13.Rc1 Rfc8 14.Qe2 Na4 15.Ba1 c5 16.Ba6?? Ba6–+ (16...Ra6?! 17.dc5 dc5 18.Bf6 Bf6 19.Ne4–+) 17.Qa6 (17.Qd1 Bf1 18.Qf1 cb4 19.Rc8 Qc8 20.ab4–+) 17...Ra6 18.bc5 0–1. Dopper,Johan C – Rosenhahn,Eberhard, Theme4 corr, 1990.

7.d4 0–0 8.c4 bc4 9.Bc4 d6 10.Nbd2 Nbd7 11.0–0 Nb6 12.Bd3 Qd7 13.Rc1 Rfc8 14.Qe2 Na4 15.Ba1+= c5 16.bc5 dc5 17.Ne5 (17.Nc4 Bd5+=) 17...Qe8 (17...Qd5 18.e4 Qd8 19.Rb1+=) 18.Rb1 Rcb8 (18...Rc7 19.Rfc1 Rac8 20.Rb7 Rb7 21.Ba6 cd4 22.Ndc4+=) 19.Rfc1 cd4 20.Bd4 Ba3 21.Rc7 Bd5 22.Ng4 (22.Rb8 Qb8 23.Rf7 Bd6+/–) 22...Rb1 (22...Ng4 23.Rb8 Rb8 24.Qg4+=) 23.Nb1 Ng4 24.Qg4 Bf8 25.Nd2 e5 (25...Rc8 26.Ne4 Be4 27.Qe4+/–) 26.Ne4 Qe6 27.Qe6 Be6 28.Be5 h6 29.g3 (29.Kf1 Ba3+=) 29...Nb6 30.Nc3 a5 31.Bd4 Nd5 32.Nd5 Bd5 33.e4 Be6 34.Bb5 a4 35.Ra7 Rd8 36.Be5 a3–/+ 37.Kg2 a2 38.Kf3 Bc5 39.Ra5 Bd4 40.Bd4 Rd4 41.Ke2 Rb4 42.Bd3 Rb1 43.Ra8 Kh7 44.e5 g6 45.Ra2 Ba2 46.Bb1 Bb1 47.h4 Bf5 48.Kf3 Kg7 49.g4 Bc2 50.Kf4 Kf8 51.Ke3 Ke7 52.f4 Ke6 53.Kd2 Be4 54.Ke3 Kd5 0–1. Dopper,Johan – Rosenhahn,Eberhard, corr 3GMMsemi–02, 1998.

7.d4 d5 8.Nbd2 Nbd7 9.Ne5 (9.Nb3 0–0=) 9...0–0 (9...Ne5 10.de5 Nd7 11.0–0=) 10.Bf3 (10.0–0 Ne5 11.de5 Nd7=) 10...Ne5 11.de5 Nd7 12.c4 c5 (12...bc4 13.Nc4 c5+= (worse is 13...dc4 14.Bb7 Ra7 15.Bc6+=)) 13.Bc3? (13.cd5!? Bd5 14.Bd5 ed5 15.bc5=) 13...Qc7 (13...cb4!? 14.ab4 bc4–+) 14.cb5 cb4 15.Bb4 Bb4 (15...Ne5?! 16.b6 Qd8 17.Be7 Qe7 18.0–0=; 15...ab5? 16.Be7 Rfc8 17.Bd6+–) 16.ab4 ab5 17.Be2 (17.Rc1 Qb6–/+) 17...Qe5 (17...Ra1 18.Qa1 Ra8 19.Qd4 Ne5 20.0–0–+) 18.0–0 Ra1 19.Qa1 Ra8 20.Qe5 (20.Qc1 d4 21.Nf3 Bf3 22.Bf3 Ra4 23.ed4 Qd6+=) 20...Ne5 21.Bb5 Ra2 22.Nb3 Rb2 23.Ba4 Nd3 (23...Nc4 24.Ra1–/+) 24.Nc5 (24.b5+=) 24...Nc5 (better is 24...Rb4!? 25.Nd3 Ra4–/+) 25.bc5= Rb4 (better is 25...Kf8 26.Rc1 Bc8=) 26.Bc2 (better is 26.Ra1+=) 26...Rc4–/+ 27.Bd3 Rc5 ½–½. Buczinski,Henryk – Smolenski,Jacek, Chorzow Poland, 1966.

7.d4 Bf3 8.Bf3 d5 9.Qd2 =.

5.Bb5 Bb4

6.0–0 a6 7.Be2 c5 8.c3 Ba5 9.d4 d5 10.dc5 Nbd7 ½–½. Le Roux,Frank – Fournier,Frederic, AJEC TH6/02, 1996.

6.a3 Ba5 7.0–0 (7.Nc3 A) 7...Nc6 A1) 8.Rb1 Qe7 9.a4 0–0 10.0–0 Rfb8 11.Re1 a6; A2) 8.Na4 Qe7 9.Rb1 e5 10.0–0 a6 11.Be2 Rb8; A3) 8.Qe2 a6 (8...0–0 9.0–0 a6 10.Ba4 Qe7 11.Rfb1 Rfb8; 8...Bc3 9.Bc3 0–0 10.0–0 a6 11.Bd3 Qe7) 9.Bd3 Qe7 10.0–0 0–0 11.e4 Rfb8; A4) 8.0–0 0–0 9.Rb1 Qe7 10.Qe2 Rfb8 11.Qd3 Nd8; B) 7...0–0 8.Rb1 Qe7 9.0–0 Nc6 10.Qe2 Rfb8 11.Qd3 Nd8) 7...a6 8.Ba4 (8.Bc4 0–0 (8...d5 9.Be2 Nbd7 10.d4 c5 11.dc5 Nc5; 8...c5 9.Nc3 d5 10.Bd3 0–0 11.Re1 c4) 9.Bc3 c5 10.Ra2 Nc6 11.Rb2 Rb8; 8.Bd3 Nc6 9.Nc3 0–0 10.Rb1 Qe7 11.Na4 Rfb8) 8...0–0 (following moves are an analysis) (8...Qe7 9.d3 0–0 10.Nbd2 Nd5 11.Rb1 Ra7) 9.Nc3 Nc6 10.Qe2 Qe7 11.Rfb1 Rfb8 ½–½. Ballan,Michel – Fournier,Frederic, corr AJEC, 1996.

6.a3 Be7 7.0–0 0–0 8.Nc3 a6 9.Bc4 d5 =.

6.a3 Be7 7.0–0 0–0 8.d4 a6 9.Bd3 c5 (9...Nc6 10.e4=) 10.Nbd2+= d5 11.c4 dc4 12.Nc4 cd4 13.Nd4 (worse is 13.ed4 Nbd7+=) 13...Qd5 14.e4 (14.f3 e5 15.Nf5 Re8+–) 14...Qg5 (14...Ne4!? 15.Nb6 Qg5 16.Na8 Nc3–/+) 15.Qb1 (better is 15.f4 Qg6 16.Ne5+=) 15...Bc5?? (15...e5 16.Bc1 Qh5 17.Qb7 Nbd7+–) 16.Nf3+– Qg4 (16...Bf2 17.Kf2 Ng4 18.Kg1+–) 17.Bf6 gf6 (17...Bc6 18.Nfe5 Qf4 19.Nc6 Nc6 20.Bc3+–) 18.Qb7 Ra7 19.Qb2 Nd7 20.Rab1 Kg7 (20...Rb8 21.Qc3 Rb1 22.Rb1+–) 21.Qd2 Rg8 22.Ne3 Qh5 23.Rb3 (23.Qa5 Qg6+–) 23...Kh8 24.Qe2 Be3 (24...Ne5 25.Ne5 Qe5 26.Rfb1+–) 25.Qe3 Raa8 (25...Qg6 26.Nh4 Qg4 27.Qa7+–) 26.Rc1 Rg4 (26...Qg6 27.Nh4 Qg4 28.Rb7+–) 27.Rb7 Ne5 28.Ne5 Qe5 29.Rf7 Rag8 30.Rh7! Kh7 31.Qh3 Kg7 32.Qg4 Kf7 33.Qh3 (33.Qh3 Kg7 34.Ba6 Qe4 35.Rc7 Kf8 36.Qh6 Ke8 37.Rc8 Kd7 38.Qd2 Qd5 39.Qd5 (39.Rg8?! Qd2 40.Bb5 Kc7+/–) 39...ed5 40.Rg8+–) 1–0. Merten,Rainer – Wartig,Wolfgang, corr SOK–92–80, 1992.

6.a3 Be7 7.0–0 c5 8.Nc3 0–0 9.d4 cd4 10.ed4 (10.Nd4 Nc6=) 10...Bf3 (10...Qa5 11.Re1=) 11.Qf3 d5 12.Rab1 Qc7 (12...Qb6 13.Rfd1=) 13.Rfe1 (13.Bd3 Qa5=) 13...Bd6 14.Qh3 a6 15.Bd3 Nbd7 16.Ne2 (16.Na2!?=) 16...Rfb8–/+ 17.Red1 g6 (17...Rb7 18.Bc3–/+) 18.Bc3 (18.Rf1 Ra7 19.Bc3 Ba3 20.Rb8 Qb8+=) 18...Rb1 (18...Ba3 19.Rb8 Qb8 20.Ba5+=) 19.Rb1 Ba3 20.Ra1 (20.Rb3 Bd6–/+) 20...Qb6 (20...Bd6 21.Ba5 (21.Ra6?? Ra6 22.Ba6 Qb6–+) 21...Qc6 22.Qh4–/+) 21.Qe3 (21.Kh1 Bd6–/+) 21...Bd6–/+ 22.Qd2 e5 (22...Qc7 23.h3–/+) 23.de5 Be5 24.Be5 Ne5 25.Qc3 (25.Nf4 a5–/+) 25...Nd3 (25...Nfg4 26.Qe1–/+) 26.cd3 a5 (26...a5 27.d4 Ne4–/+) 0–1. Ballan,Michel – Le Roux,Frank, AJEC TH6/02, 1996.

6.0–0 0–0

7.a3 Bc5 =.

7.a3 Be7 8.Nc3 c5 9.Ne5 d5 10.Rb1 a6 11.Ba4 Qc7 (11...d4 12.Ne2 Qd5 13.Nf3=) 12.Ne2 Bd6 13.f4 Nbd7 14.Nd7 Nd7 15.Nc3 (15.Ng3!?=) 15...Nb6 16.Bb3 c4 17.Ba2 Bc6 18.Ba1 (18.Qg4 f5 19.Qg3 Na4–/+) 18...Rab8 19.Qg4 f5 20.Qg3 Rf6 (20...Na4 21.Ne2+=) 21.Ne2 (better is 21.Nb5! Bb5 22.Bf6 Ba3 23.Bd4+/–) 21...Rg6–/+ 22.Qf3? (better is 22.Qh3–/+) 22...d4!–+ (22...Ba3?! 23.Nd4–/+) 23.e4 (23.ed4 Bf3) 23...fe4 (better is 23...Be4!? 24.Qf2–+) 24.Qh5 e3 25.Nd4?? (25.g3 d3 (25...Ba3?! 26.Bd4 Ba8 27.de3=) 26.cd3 Ba8–/+ (worse is 26...Ba3 27.de3 cd3 28.Nd4+=; worse is 26...cd3 27.Nd4 Be8 28.Qf3+=)) 25...Bg2 26.f5?? Be4 27.fg6+– Bg6 28.Qh3 ed2 29.Rbd1 Qb7?? 30.Ne6 Re8 31.Rd2 Ba3 32.Nf4 Bc5 (32...Bc5 33.Bd4 Bd4 34.Rd4 Bc2+–). revrevrevrev – Milly, Live Game Caissa's Web, 2004.

7.a3 Be7 8.d4 a6 9.Bd3 d5 10.c4 dc4 11.Bc4 c5 12.Nbd2 (12.dc5 Nbd7 13.Nbd2 Rc8 14.Rb1 Qc7 15.Qc2 Rfd8 16.Ng5) 12...Nc6 (12...cd4 13.Nd4 Nc6 14.Rb1 Qc7 15.Qe2 Rfd8 16.Rfd1) 13.Rb1 (13.dc5 Na5 14.Bd4 Bf3 15.gf3 Qc7 16.Rc1) 13...Rb8 (13...cd4 14.Nd4 (14.Bd4 Rb8 15.Bf6 Bf6 16.Ne4) 14...Qc7 15.Qa4= (15.Qe2 Rfd8 16.Rfd1) 15...Nd4 16.Bd4) 14.Be2 (14.dc5 Nd7= (14...Bc5 15.Qc2 Na5 16.Be6) 15.Ne4 Nc5 16.Nc5) 14...cd4 15.Nd4 Nd4 (15...Qc7 16.Qa4) 16.Bd4 Bd5 17.Qa4 Qd6 18.Nc4 Qc6 19.Qc6 Bc6 20.Ne5 Rb1 (20...Bb5!? 21.Bb5 Rb5+=) 21.Rb1+= Be4 22.Rb6 Ba3 23.Ra6 (23.f3 Bg6 24.Ng6 hg6 25.Ra6 Bb4+/–) 23...Ra8+= 24.Ra8 ½–½. algernon (2195) – alaamattar (2215), net–chess.com, 2010.

7.a3 Be7 8.d4 c5 9.Nbd2 (9.dc5 Na6=) 9...Qb6 10.a4 a6 11.Be2 Qb2 12.Rb1. Boettcher – Rosenhahn,Eberhard, corr 3GMMsemi–02, 1991.

7.Nc3 a6 8.Bd3 c5 9.Ng5 d6 10.a3 Ba5 11.f4 Nbd7 12.Nce4 Ne4 13.Be4 Be4 14.Ne4 d5 15.Ng5 h6 16.Nf3 Rb8 17.Rb1 c4 18.f5 Qc7 19.fe6 fe6 20.Ba1 Rb1 21.Qb1 c3 22.Bc3 Bc3 23.dc3 Qc3 24.Qb3 Qb3 25.cb3 Rc8 26.Nd4 Rc3 27.Ne6 Rb3 28.Nc7 Ra3 (28...Nf6 29.a4 Re3 30.Na6–/+) 29.Nd5+= a5 30.Ne7 Kh7 31.Nf5 Ra2 32.Rc1 Kg6 33.Nh4 Kg5 34.Nf3 Kf5 35.Rc7 Nf6 ½–½. Cottarelli,Franco – Fournier,Frederic, corr ICCF, 2002.

7.c4 a6 8.Ba4 =.

7.c4 c6 8.Ba4 Ba6 (8...Na6 9.a3 Be7 10.Nc3=) 9.Qc2 (9.a3 Be7 10.Qc2 Qa5+=) 9...d5 (9...d6 10.a3 Ba5 11.d4+=) 10.d3 (10.Ng5 g6 11.d3 Qe7+=) 10...Nfd7 (10...dc4 11.dc4 Qe7 12.Rd1+=) 11.Nbd2 (11.a3 Bd6+=) 11...Be7 (11...Nc5 12.Rfd1+=) 12.Bb3 (12.Rfb1 Nc5+=) 12...Qa5 (12...Nc5 13.Rfb1+=) 13.Rfc1 Rc8 14.d4 (14.Rab1 Nc5+=) 14...c5 (better is 14...Nf6!?+=) 15.cd5+– cd4 (15...c4 16.Nc4 Qd5 17.Rab1+/–) 16.Qc8 Bc8 17.Rc8 Nf8 18.de6 (18.Bd4?! ed5 19.Be5 Bb4+–) 18...de3 (18...f6 19.ed4 h6 20.Re8+–) 19.ef7 Kh8 20.fe3 Qb6 (20...Qb5 21.Be5 Bb4 22.Rb1+–) 21.Nd4 Qb7 (21...h6 22.Nf5 Qb7 23.Bg7 Kh7 24.Ne7 Qe7+–) 22.Ne6 (22.Ne6 h6 23.Bg7 Kh7 24.Bc2 Qe4 25.Be4 Ng6 26.Rh8) 1–0. Grillon,Jean Marie – Le Roux,Frank, AJEC TH6/02, 1996.

7.d4 a6 8.Bd3 =.

7.d4 d5 8.c3 a6 9.Ne5 =.

7.d4 d5 8.c3 Bd6 9.c4 c6+= 10.Ba4 Nbd7 (10...Ba6 11.Nbd2 dc4 12.Re1+= Nd5 13.Qc2 Nb6) 11.Nbd2 (11.c5 Bc7= 12.Nc3 Rb8 13.Rb1 e5) 11...Ne4 (11...c5 12.Bd7 (12.Rb1 Rc8 13.Ba3 Qc7) 12...Nd7 13.cd5 Bd5 14.e4=) 12.Ne4 (12.c5 Bc7 13.Ne4 de4) 12...de4 13.Ne5 f6 (13...Nb6 14.Bb3=; 13...Ne5=) 14.Bc6 (14.Nd7 Qd7 15.Qc2+=) 14...Ne5? (better is 14...Bc6 15.Nc6 Qc7=) 15.de5+/– Bc6 (15...Be5 16.Bb7 Bb2 17.Ba8 Ba1 18.Be4+/– (18.Qa1?! Qa8 19.Rd1 Qc6=)) 16.ed6 (16.Qd6 Qd7+–) 16...f5 (16...Rb8 17.Qd2+/–) 17.Qd2 Rf6? (better is 17...Qd7+–) 18.Bf6 (18.Bf6 Qf6 19.c5+–) 1–0. mtr – stampv, internet, 2009.

7.d4 d5 8.c3 Be7 9.Nbd2 (9.Ba3 Nbd7+=) 9...Nbd7 (9...a6 10.Bd3=) 10.Rb1 c5 (10...a6 11.Bd3=) 11.Ba3 cd4 (11...Rb8 12.c4=) 12.Be7+= Qe7 13.cd4 Rfc8 14.Rb3 (14.Qa4 Nb6 15.Qb4 Qb4 16.Rb4 Rc2=) 14...Ne4 (14...Rab8 15.Bd3=) 15.Ne4 de4 16.Nd2 (16.Bd7 Qd7 17.Ne5 Qe7=) 16...Bd5 17.Rb2 Nf6 (17...a6 18.Bd7 Qd7 19.Qg4=) 18.Qa4 Rc3 19.Rfb1 h5 (19...Rac8 20.h3=) 20.Nb3+= Bb3 21.Rb3 Rac8 22.Rc3 ½–½. Cassola,Aldo Guillermo – Rosenhahn,Eberhard, corr 3GMM–51, 1996.

7.d4 d5 8.Nbd2 c5 =.

7.d4 d6 8.Nbd2 Nbd7 9.Nb3 Ne4 10.Qd3 c6 (10...Ng5 11.Ng5 Qg5 12.f3=) 11.Qe4 Nf6 12.Qd3 cb5 13.Qb5 Bf3 14.Qb4 Rb8 (14...Nd5 15.Qa3 Qg5=) 15.Qd2 (better is 15.Qa4!? Ne4 16.gf3 Qg5 17.Kh1=) 15...Ne4+= 16.Qa5 Qa5 17.Na5 Rb2 18.gf3 Nd2 19.Rfc1 Nf3 20.Kg2 Nh4 21.Kh3 Nf5 22.Nc4 Rb4 23.Nd2 d5 24.Rab1 Ra4 25.Rb2 Ra3 26.Kg2 Rc3 27.Rb7 Ra3 28.Rb2 Rc3 29.Rb7 Ra8 30.Rb3 Rac8 31.Rb7 g5 (31...Rc2?? 32.Rc2 Rf8 33.Ra7+–) 32.Ra7 Rc2 33.Rc2 Rc2 34.Nf1 h5 (34...Nh4 35.Kg1–/+) 35.Ra3 Kg7 36.Ng3 Nh4 37.Kf1 Kg6 38.Ra8 Rc1 (38...Nf3 39.h3–/+) 39.Ke2= Rc2 40.Kf1 Rc1 (40...Nf3!? 41.h3 h4–/+) 41.Ke2= Rc2 42.Kf1 ½–½. Humeau,Cyril (2100) – Bicchierai,Gregory (2065), Porticcio op 7th, 2006.

4.Nf3 g6

5.Bb5+= a6 6.Bc4 Bg7 7.0–0 0–0 8.a3 +/–.

5.Bb5+= Nc6 6.a3 (6.0–0+= Nb4 7.a3 Nc6 8.Nc3+=; 6.Bc6 Bc6 7.0–0 Bg7 8.Ne5+/–) 6...Bg7 7.0–0 Rb8 8.c4 +/–.

5.Bb5 Bg7 6.0–0 0–0 7.Be2+/– a6 8.d4 (8.c4+/–) 8...d6 (8...Nc6 9.a3+/–) 9.c4 Nbd7 10.Nc3 Rb8 (10...e5 11.d5+/–) 11.a3 Ne4 (11...c5 12.Qd2+/–) 12.Ne4 (12.Qc2 Nc3 13.Bc3 Nf6+/–) 12...Be4 13.Nd2 Bb7 14.Bf3 (14.Qc2 Re8+/–) 14...Bf3 15.Qf3 (15.Nf3 Nb6 16.Qd3 Qd7+/–) 15...c5 (15...e5 16.Rfe1+/–) 16.Bc3 e5 (16...Nb6!? 17.Rab1 Qc7+/–) 17.dc5+– dc5 18.Rad1 (18.Rfd1 Qe7+–) 18...Qc7 (18...Qe7 19.Qd5+/–) 19.Ne4+– Rfd8 (19...Nb6 20.bc5 Na4 21.Rd5+–) 20.Nd6 (better is 20.g4+–) 20...cb4?? (better is 20...Nb6 21.bc5 Nc4 22.Nc4 e4 23.Qe4 Bc3+–) 21.Qf7 Kh8 22.Bb4 Nc5 (22...Rf8 23.Qe7 Bf6 24.Nf7 Kg7 25.Rd7 Qb6 26.Qf8 Rf8 27.Nh6 Kh6 28.Bf8 Kh5+–) 23.Qc7 (23.Qc7 Ne6 24.Qe7+–) 1–0. pcmvr (2740) – pushtiu (2290), net–chess.com, 2007.

5.Bb5 Bg7 6.0–0 0–0 7.Be2 d6 8.c4 e5 9.d4 e4 10.Nfd2 d5 11.c5 c6 12.a4 a6 13.Nc3 Nbd7 14.Qb3 Nh5 15.b5 f5 16.bc6 (16.Bh5!? gh5 17.Rfc1 Nf6+–) 16...Bc6 17.Nd5 Kh8? (better is 17...Nc5 18.Ne7 Kh8 19.dc5 Qe7 20.Bh5 gh5+–) 18.Bh5 gh5 19.Nf4 (19.Nb4 Rb8 20.Qa3 Ne5+–) 19...Rb8 20.Qc2 h4 (20...Qh4 21.Nc4+–) 21.Ne6 Qf6 22.Nf8 Rf8 23.Rab1 h3 24.g3 Qh6 25.Qc4 f4 (25...Rd8 26.Bc3 Qg6 27.Ba5+–) 26.d5 (26.gf4?? Qg6 27.Kh1 Qg2) 26...Ba8 (26...fe3 27.Bg7 Kg7 28.Ne4+–) 27.Bg7 Qg7 (27...Kg7 28.ef4 (28.gf4?? Qg6 29.Kh1 Qg2) 28...Nf6 29.d6+–) 28.Qd4 (28.c6 Ne5 29.Qe4 fg3 30.fg3 Rd8+–) 28...Ne5 (28...Qd4 29.ed4 Bd5+–) 29.ef4 h5 (29...Nd7 30.Qc4 Qg8+–) 30.Qe5 Qe5 1–0. Levin,Anatoly – Legvold,Douglas Eric, Internet Section, 2004.

5.Bb5 Bg7 6.Nc3 0–0 7.0–0 c6 8.Be2 Na6 9.a3 d5 10.Nd4 Nc7 11.Bf3 e5 12.Nde2?? (better is 12.Nb3+/–) 12...e4–/+ 13.Nd4 ef3 14.Qf3 Qe7 15.Nce2 Ne4 16.Rfd1 c5 17.bc5 Qc5 18.c3 Qb6 19.Rab1 Ne6 20.Ba1?? (20.d3 N4c5–/+) 20...Qc7 (better is 20...Nd2 21.Rb6 Nf3 22.Nf3 ab6–+) 21.Ng3 N6g5 22.Qe2 Ng3 23.fg3 Ne4 24.Rf1 a6 25.Rfd1 Bc8 26.Qf3 Qd6 27.Nc2 Bf5 28.Rbc1 Ng5 29.Qf4 Qf4 30.ef4 Ne4 31.Ne3 Rfd8 32.Nf5 gf5 33.d3 Nc5 34.Rb1 d4 35.cd4 Bd4 36.Kh1 Ba1 37.Ra1 Nd3 38.Kg1 Rd5 39.Kf1 Rad8 40.Rab1 a5 41.Ke2 Kg7 42.Rb3?? Nf4! (42...Nf4 43.gf4 Rd1–+) 0–1. Valpa – Janaj, playchess.de, 2002.

3.e3 c6

4.a4!?+= ba4 5.Ra4 A) 5...d6 6.f4 (6.Be2 e5 7.Nc3 d5 8.Nf3=; 6.Nf3 e5 7.Be2 Be7 8.Nc3=) 6...a5 7.Nf3 Bf5 8.Bc3+=; B) 5...a5 6.Nf3 (6.Bd3 e5 7.Be5 Bb4 8.Nf3=; 6.Nc3 Bb7 7.Nf3 e6 8.ba5=) 6...d5 7.Ne5 e6 8.ba5+=.

4.a4 e6 5.c3 ba4 6.d4 d5 7.Nf3 Bb7 8.Nbd2 a5 9.Ra4 ab4 10.cb4 Ra4 11.Qa4 Nbd7 12.Bd3 Bd6 13.0–0 Qb6 14.Ba3 0–0 15.Qb3 Ra8 16.Re1 e5 17.de5 Ne5 18.Ne5 Be5 19.Nf3 Bd6 20.Rb1 Ng4 (20...Ne4 21.Bb2=) 21.h3 Ne5 22.Ne5 Be5 23.Bb2 Bb2 24.Qb2 g6 25.b5 c5 26.Rc1 Ra5 27.Rb1 f5 28.g3 h6 29.h4 h5 30.Be2 Kf7 31.Qe5 c4 32.Bf3 Rb5 33.Rb5 Qb5 34.Qc7 Kf6 35.Qd6 Kg7 36.Qe7 Kg8 37.Qd8 Kh7 38.Qe7 Kh6 39.Qf8 Kh7 40.Qf7 Kh6 41.Qf8 Kh7 42.Qf7 Kh6 43.Qf8 Kh7 ½–½. Fournier,Frederic – COMP Fritz 2.0, Paris FRA, 1993.

4.c3 a5 5.a4 (5.Nf3 ab4 6.cb4 Bb7 7.a4 e6 8.ab5 Ra1 9.Ba1) 5...ab4 6.cb4 e6 (6...ba4 7.Ra4 Ra4 8.Qa4 d6 9.b5) 7.ab5 Ra1 8.Ba1 Bb4 9.Qa4 (9.Nf3=) ½–½. Fournier,Frederic – Ballan,Michel, corr AJEC, 1996.

4.c3 e5 5.a4 (5.d4 e4 6.a4 ba4 7.Qa4 d5 8.Nd2 Bd6 9.c4) 5...ba4 6.Qa4 (6.Be2 d5 7.Nf3 e4 8.Nd4 Bd7 9.0–0) 6...d5 7.c4 Bd6 8.d4 e4 9.c5.

4.c4 a5 5.cb5 ab4 6.Nf3 (6.a4= Ra5 7.Nf3 Bb7 8.Be2=) 6...d5 7.bc6 Nc6 8.Bb5 =.

4.c4 a6 5.c5 e6 (5...d6 6.d4 A) 6...Bf5 7.Nd2 (7.a4 Nd5 8.Nc3 Nb4 9.e4 Bc8 10.cd6) 7...e6 8.a4 Nbd7 9.Ngf3 Be7 10.Be2; B) 6...dc5 7.bc5 e5 8.Nd2 ed4 9.Bd4 Be6 10.Qc2) 6.Nf3 (6.a4= d6 7.d4 Nd5 8.Qd2 a5 9.ba5 b4 10.cd6) 6...g6 (6...a5!?= 7.a3 ab4 8.ab4 Ra1 9.Ba1 Na6 10.Qb3) 7.Ne5 (7.Nc3 d5+/– (7...a5 8.Ne4 Ne4 9.Bh8 ab4 10.d4) 8.a4 ba4 9.Na4 Bg7 10.Nb6; 7.a4 ba4 8.Be5 d6 9.cd6 Bd6 10.Ra4) 7...Bg7+= 8.Nf3 (8.a4 d6 9.cd6 0–0+= 10.d4) 8...Bb7 (8...d6 9.cd6 Qd6 10.Qb3) 9.Be2 (9.a4 d6 10.d4) 9...a5 (9...d6 10.a4) 10.a3 (10.ba5 Qa5 11.0–0 Ba6+=) 10...ab4 (10...Na6 11.Bc3=) 11.ab4 Na6 12.Qb3 0–0 (12...d6 13.cd6 Qd6 14.Bc3=) 13.0–0 (13.Nc3 d6 14.d4 h6+=) 13...Nd5 (13...d6 14.Rc1=) 14.Bg7+= Kg7 15.Nc3 Qf6 (15...Ndb4 16.Ne4+=) 16.Nd5 ed5 17.d4 d6 18.cd6 (18.Ra2 dc5 19.bc5 Bc8+/–) 18...Qd6+= 19.Rab1 (19.Rfb1 f5+=) 19...Rfe8 20.Ng5 (20.Qc3 Nc7+=) 20...h6 (20...Qf6 21.Nh3=) 21.Nf3+= Bc8 22.Qd3?? (better is 22.Bd3!?+=) 22...Nb4 (better is 22...Bf5!? 23.Qc3 Bb1 24.Rb1 Nb8–/+) 23.Qd2 Na6 (23...Ra2 24.Rb2 Rb2 25.Qb2+=) 24.Ra1 (24.Bd3 Qf6=) 24...Bf5 25.Bd3 (25.Ra2 Nc7+=) 25...Bd3 (25...Be4 26.Qe2–/+) 26.Qd3+= Nb4 27.Qd2 Ra4 28.Ne5 Rea8+= 29.Ra4 Ra4 30.Qd1 c5–/+ 31.Qf3? f6–+ 32.dc5 Qe5 33.h3 Ra1 34.Ra1? Qa1 35.Kh2 Qc3 0–1. valpa – willi_weizenkeim, playchess.de, 2002.

4.c4 bc4

5.Bc4 Qb6 6.a3 (6.Nf3 Qb4 7.Qc2 d5 (7...e6= 8.Bf6+=) 8.Bd3+=; 6.Qa4 d5 7.Bf6 ef6 8.Bd5=; 6.Bc3 Ne4 7.Nf3 d5 8.Bd3=) 6...c5 (6...d5 7.Be2= c5 8.Qc2=) 7.b5 (7.Bf6 Qf6 (worse is 7...ef6 8.Qh5+–) 8.Nc3 cb4 9.ab4 e6=; 7.Qb3 e6 8.bc5+=) 7...d5= 8.Be2 Bd7 (8...Nbd7!?=) 9.a4+= a5 (9...a6 10.a5 Qd6 11.Nc3+=) 10.Nf3+/– g6 (10...Na6 11.ba6 Qb2 12.Nc3+/–) 11.Nc3 Bg7? (better is 11...Be6+/–) 12.Nd5!+– Qb7 (12...Nd5 13.Bg7) 13.Nf4 0–0 14.Rc1 (14.Bc4 Bf5+–) 14...Rc8 (14...Bf5+–) 15.Qb3 e6 (15...Nc6 16.Bc4 Be8 17.bc6 Qb3 18.Bb3+–) 16.0–0 (16.Ne5 Ne4+–) 16...Na6 (16...Bc6 17.d4 cd4 18.Nd4+–) 17.Ne5 (17.Nd3 Be8+–) 17...Nb4 18.Bf3 (18.Nc4 Nfd5 19.Bg7 Kg7+–) 18...Nfd5 19.Rc4 (19.g3 Be8+–) 19...Be5 (19...Qc7 20.d4 Be5 21.de5+–) 20.Be5 Nc6 (20...Qb6+–) 21.Nd5 (21.Ba1 Ncb4 22.Qb2 Kf8 23.Qg7 Ke7 24.Bf6 Kd6+–) 21...ed5 22.Bd5 Qb6 (22...Be6 23.Be6 Ne5 24.Bc8 Rc8+–) 23.Bb2 Bf5 (23...g5 24.Bc6 Rc6 25.Qc3+–) 24.Rfc1 Be6 (24...Nd4 25.ed4 cd4 26.Ba8 Ra8 27.Bd4+–) 25.Be6 fe6 26.Rc5 Ne7 27.Rc8 (27.Rc8 Rc8 28.Rc8 Nc8 29.Qc3+–) 1–0. Gerber,Lothar – Szewczyk,Franz, corr DDR–ch M960, 1990.

5.Bc4 d5 6.Be2 e6 7.a3 c5 8.bc5 Bc5 9.Nf3 0–0 10.0–0 Qd6 (10...Nbd7 11.Qc2=) 11.d4 Bb6 12.Nbd2 Bd7 13.a4 Nc6 14.Ba3 Nb4 15.Qb3 a5 16.Rfc1 (16.Rfb1 Rfc8+=) 16...Rac8 17.Ne5 Rc7 18.Nd3 Rfc8 19.Nb4 (better is 19.Rd1!? Rc3 20.Bb4 ab4 21.Qb4 Qb4 22.Nb4=) 19...ab4 20.Rc7? (better is 20.Bb2+=) 20...Rc7?? (better is 20...Bc7 21.Nf1 ba3 22.Qa3 Qa3 23.Ra3 Ra8–+) 21.Bb4 Qc6 22.Bb5 Qa8 23.Bd7 Nd7 24.a5 Ra7 25.Qc3 g6 26.Nb3 Bd8 27.Nc5 Be7 28.Nd7 Rd7 29.Be7 Re7 30.Qb4 Kf8 (30...Ra7!?+/–) 31.a6 Ke8? (31...Qa7 32.Qd6+–) 32.Qb5 Kd8 33.Qb6 Ke8 34.a7 (34.Rb1 Rd7 35.Qb8 Rd8+–) 34...Kf8 35.Qd6 (35.Qd6+–) 1–0. Fournier,Frederic – Fournier,Jean_Noel, Active Game France, 1995.

5.Bc4 d5 6.Be2= e6 7.Qa4 a5 8.a3 =.

5.Bc4 e5 6.Be5 d5 7.Be2 Bb4 8.Nf3 =.

5.Bc4 e6 6.a3 d5 7.Be2 Nbd7 8.Qc2 Bb7 (8...c5 9.bc5 Bc5 10.Nf3=) 9.Nf3 Bd6 (9...c5 10.Qa4=) 10.d4 (10.0–0 a5=) 10...0–0 11.Nbd2 (11.0–0 a5=) 11...a5 12.ba5 Qa5 (12...c5 13.0–0=) 13.0–0 (13.Ne5 c5=) 13...Rfb8 14.Nb3 (14.Rfb1 Ba6 15.Ba6 Ra6=) 14...Qa4 15.Rfc1 (15.Rfb1 Ba6 16.Bd1 Bb5=) 15...Ba6 16.Bd1 (16.Ba6 Ra6 (16...Qa6?! 17.a4=; worse is 16...Rb3 17.Nd2+–) 17.Nbd2 Qb5=) 16...Ne4 (16...Bc4 17.Nfd2 Bb5 18.Nc5 Bc5 19.dc5+=) 17.Nfd2 (17.Rcb1 Qb5 18.Nbd2 Qd3+=) 17...Nd2+= 18.Nd2 Qc2 19.Rc2 Bd3 (better is 19...c5 20.Bc3 Bd3–/+) 20.Rc3? (better is 20.Rc6 Bh2 21.Kh2 Rb2 22.Nf3 Rf2 23.a4+=) 20...Rb2–+ 21.Rd3 c5 22.Rb1 (22.Bb3 Ra7–/+) 22...Ra2 23.Nf3 (23.Nb3 cd4 (worse is 23...R8a3 24.dc5 Nc5 25.Nc5 Bc5 26.Rb8 Bf8 27.Ra3 Ra3 28.Kf1–/+) 24.Nd4 Nc5–+) 23...c4 (23...R2a3?! 24.Ra3 Ra3 25.Rb7–/+) 24.Rc3 Ba3 25.Kf1 Bb2 (25...Nf6 26.Rc2 Bd6 27.Rb6–+) 26.Rc2 c3 27.Ke2 (27.Be2 Ra1 28.Re1 Nb8–+) 27...Nb6 28.Ne5 f6 29.Nd3 Nc4 30.Nc1? (30.Kf3–+) 30...Na3 31.Na2 Nb1 32.Nc3 (32.Nb4 Na3–+) 32...Nc3 33.Kd2 Ne4 (33...Nd1 34.Kd1 Ra2 35.h4–+) 34.Ke2 Rb8 35.f3 Nc3 36.Kd2 Nd1 37.Kd1 Kf7 38.Rc7 Kg6 (38...Kg6 39.Rc6 e5 40.de5 Be5–+) 0–1. Van Esbroeck,Dirk – Fournier,Frederic, corr SOK–93–98, 1993.

5.Bc4 e6 6.a3 d5 7.Be2 Nbd7 8.d4 Bd6 9.Nf3 Qc7 10.Nbd2 0–0 11.0–0 Re8 12.Rc1 e5 13.de5 Ne5 14.Ne5 Be5 15.Be5 Re5 16.Qc2 Bd7 17.Nf3 Re6 (17...Ree8!?+=) 18.Nd4+– Rd6 19.Nb5! (19.Nb5 Qb8 20.Nd6 Qd6 21.Qa4+–) 1–0. Fournier,Frederic – Fournier,Jean_Noel, Active Game France, 1995.

5.Bc4 e6 6.f4 d5 7.Bb3 Bb4 8.Nf3 Ba6 9.a3 Be7 10.d3 0–0 11.0–0 Nbd7 12.Nd4 Qb6 13.Rf2 (13.a4–+) 13...c5 14.Nf3 Ng4 15.Re2 c4 16.dc4 Ne3 (16...dc4?! 17.Qd7 cb3 18.Re1–+) 17.Qd4 Nc4 18.Qb6 ab6 19.Bd4 Bc5 20.Rc2 Ne3 21.Rc3 Nf5 22.Bf2 Bf2 23.Kf2 Nc5 24.Nbd2 Nd3 25.Kg1 Nf4 26.Rc2 Ne3 (26...Ne3 27.Rc6 Rfb8–+) 0–1. Chalvet,Philippe – Fournier,Frederic, Active Game France, 1993.

3.e3 Nc6

4.a3 a6 5.c4 bc4 6.Bc4 d5 (6...Bb7 7.Nf3=) 7.Be2 (7.Qa4 Bd7 (worse is 7...dc4 8.Qc6 Bd7 9.Qc4+=) 8.Bd3 e5+=) 7...e5= 8.Nf3 e4 9.Nd4 Nd4 10.Bd4 Be7 11.0–0 a5 (11...0–0 12.d3=) 12.b5 Bb7 (12...0–0 13.d3=) 13.d3 0–0 14.Nc3 (14.Qc2 Re8+=) 14...Qd6 (14...c5 15.bc6 Bc6 16.de4 de4 17.Qd2=) 15.Qb3 (15.de4 de4 16.f3 Qe6+=) 15...ed3 (15...c5 16.bc6 Bc6 17.de4 de4 18.Rfd1+=) 16.Bd3+= Ng4 17.g3 Qh6 18.h4 Rfd8 19.Be2 Qe6 20.Na4 (20.Rac1 Ne5=) 20...Nf6 21.Rac1 Ne4 (21...Bd6 22.Nc5 Bc5 23.Rc5+=) 22.Rc7 (22.Qb2 c6 23.Bg7 Ng3 24.fg3 Qe3 25.Kh1 Qe4 26.Rf3 Qa4 27.Bd4=) 22...Ng3 23.fg3 Qd6 (23...Rab8 24.Nc5 Bc5 25.Bc5 Rdc8 26.Rc8 Rc8+–) 24.Re7 (24.Rb7 Qg3 25.Kh1 Qh3 26.Kg1 Qg3 27.Kh1 Qh3 28.Kg1 Qg3=) 24...Qg3= 25.Kh1 Qh4 (25...Qh3 26.Kg1 Qg3 27.Kh1 Qh3 28.Kg1 Qg3=) 26.Kg2+= Qe7 27.Rf3 Rac8 (27...Rac8 28.Qd3 Re8=). Bedbur,Heinz – Fehr,Wolfgang, corr SOK–92–78, 1992.

4.a3 a6 5.Nf3 d5 6.a4 Bf5 7.Nd4 Nd4 8.Bd4 =.

4.a3 a6 5.Nf3 e6 6.Be2 (6.c4 bc4 7.Bc4 Bb7=) 6...Bb7 7.0–0 d5 8.d4 (8.c3 Bd6+=) 8...Bd6= 9.Nbd2 Qe7 10.Ne5 (10.Nb3 0–0=) 10...Ne4 (10...0–0!?=) 11.Ne4+/– de4 12.c4 Be5 13.de5 Na7 (13...bc4 14.Qc2+/–) 14.Qc2 0–0 15.Bd4 (15.cb5 Nb5 16.Rac1 Rfd8+/–) 15...Rfd8 16.Bc5 Qe8 (16...Qg5 17.cb5 Nb5 18.a4+/–) 17.Ba7 Ra7 18.cb5 c6? (better is 18...ab5!? 19.Qc7 Rda8+/–) 19.ba6 (19.b6 Raa8+–) 19...Ba8 (better is 19...Ba6 20.Ba6 Ra6 21.Qe4 Rd5+–) 20.Rfd1 Rd5 21.Qe4 Rad7 22.Rd5 cd5 (22...ed5 23.Qf5+–) 23.Qd4 Rc7 24.b5 Qc8 25.b6 Rc2 26.Bf1 Qb8 27.Bd3 Rc6 28.Rb1 Qc8 (28...h6+–) 29.b7 Bb7 30.ab7 (30.ab7 Qf8 31.b8Q Rc1 32.Bf1 Rb1 33.Qb1+–) 1–0. Dopper,Johan – Fehr,Wolfgang, corr, 1992.

4.Bb5 Nb4 5.a3 Nbd5 6.c4 a6 7.Ba4 Nb6 8.Bb3 a5 9.a4 Ba6 10.d3 e6 11.Nf3 Bb4 12.Nbd2. Chalvet,Philippe – Fournier,Frederic, Partie Libre (Active), 1993.

3.e3 e5

4.Bb5 Bb7 5.Bf1 (5.Be5?? Bg2 6.Be2 Bh1–+) 5...Bb4 6.Be5 0–0 7.Nf3 Nc6 8.Bb2 d5 9.Be2 d4 10.ed4 Re8 11.0–0 Ne7 12.c4 Nf5 13.d5 c6 14.dc6 Bc6 15.d4 Qe7 16.Bd3 Nd6 17.Ne5 Bg2? (17...Be4+–) 18.Kg2 Nfe4 19.f4 (19.c5!? Bc5 20.dc5 Nc5+–) 19...Qb7 20.Qh5 Nd2 21.Kf2 Nf1 (21...g6 22.Rg1 N2e4 23.Be4 Ne4 24.Kf1+–) 22.Qh7 (22.Bf1 Be1 23.Ke1 Qb2–/+; 22.Kf1?! g6 23.Qg4 Bd2 24.Nd2 Qb2+–; 22.Bh7?! Kf8 23.c5 Bc5 24.Kf1 Reb8+–) 22...Kf8 23.Qh8 (23.Kf1 Qh1 24.Kf2 Be1 25.Ke2 Qg2 26.Ke1 Qb2+–) 23...Ke7 24.Qh4 Kf8? (24...f6 25.Kf1 Qh1 26.Ke2 Rh8+=) 25.Kf1 (25.Bf1?! Be1 26.Ke1 Qb2 27.Qh8 Ke7+=) 25...Qh1 26.Ke2 Qg2 27.Qf2 Qf2 (27...Qb7 28.Qf3 f6 29.a3+–) 28.Kf2 Rab8 (28...f6 29.Nc6 a5 30.c5+–) 29.Nc3 (29.Nc3 Kg8 30.Nc6+–) 1–0. Fournier,Frederic – Chalvet,Philippe, Partie Libre (Active), 1993.

4.Be5 Bb4 5.Bb5 c6 6.Ba4 Qa5 7.Bf6 Qa4 8.Bb2 (8.Bg7 Rg8 9.Bf6 d5+/–) 8...Ba6 (8...d5 9.Nc3 Qa5 10.Nge2+=) 9.Ne2 (9.Nc3 Bc3 10.Bc3 0–0+/–) 9...0–0 (9...Be2 10.Ke2 Qb5 11.d3 Qh5 12.f3+=) 10.0–0 d5 11.Nec3 (better is 11.d3+/–) 11...Bc3+= 12.Nc3 Qb4 13.Rb1 Bf1 14.Qf1 Qg4 15.h3 Qd7 (15...Qg6 16.Qd3+=) 16.Qe2 Re8 17.Qf3 Na6 18.Qg3 Re6 19.d3 Rg6 20.Qf3 Re8 21.Ne2 Ree6?? (better is 21...c5 22.Nf4 Rd6+=) 22.Nf4+/– Nc5 23.Ng6 Rg6 24.Bc3 Na4?? (better is 24...Qc7+–) 25.Rb8 (25.Rb8 Qe8 26.Re8) 1–0. Valpa – Bossjos, playchess.de, 2005.

4.Be5 Bb4 5.Bb5 c6 6.Be2 d6 7.Bb2 Be6 8.Nf3 0–0 9.0–0 Nbd7 10.c4 Qc7 11.h3 Rab8 12.Bf6 (12.a3 Ba5 13.Qc2 Rb7+=) 12...Nf6 13.d3 Rfe8 14.Nd4 Bd7 15.Nd2 (15.Nb3 Bf5+=) 15...c5 (15...Bc3 16.Rc1 Bb2 17.Rc2 Bd4 18.ed4=) 16.N4b3 Ba4 17.Rb1 Nd7 18.Qc1 Ne5 19.Nf3 Nf3 20.Bf3 Ba5 21.Na5 Qa5 22.Qa3 Qa6 23.Rb8 (23.Be4!? Kh8+–) 23...Rb8+/– 24.Bd1 Rb4 25.Bc2! Qc6 (25...Bc2 26.Qa6 Pinning (26.Qa6 Deflection)) 26.Ba4 Ra4 27.Qb3 h6 28.Rb1 Rb4 29.Qc2 a5 30.a3 Rb6 31.Rb2 g6 32.Qb1 Rb2 33.Qb2 Qc7 34.Qb5 Kg7 35.a4 f5 36.f4 Kf6 37.Kf2 g5 (37...Qd8 38.g4 fg4 39.hg4+–) 38.g3 (38.Qe8 gf4 39.ef4 d5 40.Qh8 Kg6 41.Qg8 Kf6+/–) 38...Qd8 39.Qb7 Qe8 (better is 39...Kg6+–) 40.Qb5 (40.Qh7!? Qh5 41.fg5 Qg5+–) 40...Qd8 41.Kf3 Qa8 42.e4 h5? (42...Ke7 43.Qb6 fe4 44.de4+–) 43.fg5 (better is 43.Qd7 fe4 44.de4 g4 45.hg4 hg4 46.Kg4 Qg8 47.Kf3 Qc4 48.Qd6 Kg7 49.Qc7 Kh6 50.Qc6 Kg7 51.e5+–) 43...Kg5 44.h4 Kf6 45.Kf4 Qd8?? 46.Qb2+– (46.Qb2 Ke6 47.ef5 Kf7 48.Qe2+–) 1–0. Hal1958 – Bossjos, playchess.de, 2004.

4.Be5 Bb4 5.Qf3 c6? (better is 5...d5!? 6.Qf4 Ba5 7.Bb5 c6+/–) 6.Bb8+– Rb8 7.Qf4 (7.Qf4 d6 8.Qb4+–) 1–0. Fournier,Frederic – Chalvet,Philippe, Active Game France, 1993.

3.e3 e6

4.a3 a6 5.c4 bc4 6.Bc4 d5 7.Ba2 Bb7 8.d3 Bd6 9.Nf3 Nbd7 10.Nbd2 0–0 11.Rc1 Rc8 12.Bb1 c5 13.bc5 Nc5 14.e4 de4 15.Ne4 (15.de4!? Bf4 16.Rc4+=) 15...Nfe4 16.d4?? (better is 16.de4 Qa5 17.Bc3 Qa3 18.0–0–+) 16...Qa5–+ 17.Kf1 Qb5 18.Kg1 Na4 19.Ba1 Ba3 (better is 19...Nec3 20.Bc3 Nc3 21.Rc3 Rc3 22.Ne1–+) 20.Rc2 (20.Rc8 Rc8 (20...Bc8?! 21.Be4 Bb7 22.Bb7 Qb7 23.h3–+) 21.Bd3 Nb2 22.Bb2 Qb2–+) 20...Bd5 (better is 20...Nac3 21.Bc3 Nc3 22.Qf1 Qb1 23.Qb1 Nb1 24.Rc8 Rc8 25.h4–+) 21.Re2 Nec3 (21...Nec3 22.Bc3 Nc3–+) 0–1. Jauneau,David – Fournier,Frederic, Train France, 2001.

4.a3 Nc6 5.Bb5+/– Bb7 6.Nf3 a5 7.ba5 Na5 8.0–0 c6 9.Be2 Be7 10.c4 0–0 11.Nc3 h6 12.d4 c5 13.Nb5 cd4 14.ed4 (worse is 14.Qd4 Nb3 15.Qf4 Na1 16.Ra1 d6+=; 14.Bd4?! Rc8 15.Na7 Rb8+/–; 14.Nfd4?! Qc8 15.Rc1 d6+/–; 14.Nbd4?! Qb8 15.Rb1 Rc8+/–) 14...d5 15.cd5 (15.c5!?+/–) 15...Bd5+= (worse is 15...Qd5 16.Nc7 Qb3 17.Na8 Qb2 18.Rb1 Qa3 19.Nc7+/–) 16.a4 (16.Rc1 Qb6+=) 16...Bb3 (16...Nb3!? 17.Rb1 Ra4=) 17.Qd3 Bc4 18.Qc2 Be2 19.Qe2 Nc6 20.Rfc1 Nb4 21.Bc3 Nbd5 22.Ne5 Nc3 23.Nc3 (23.Rc3!? Nd5 24.Rc2+/–) 23...Qd4+= 24.Nc6 Qd6 (24...Qd7 25.Ne7 Qe7 26.a5+=) 25.Nb5+/– Qf4?? (better is 25...Qd7+/–) 26.Ne7 Kh8 27.Qe3 (27.Rc4 Qb8 28.Rac1 Nd5 29.Nd5 ed5+–) 27...Qb4 (27...Ra4 28.Qf4 Rf4 29.Nd6+–) 28.Nc6 Qg4 29.h3 Qg6 30.a5 Ne4 31.Ne7 Qf6 32.Qe4 Qe7 33.a6 f5 34.Qe1 Kh7 35.a7 Qb7 36.Qa5 f4 37.Nc7 Rf5 38.Qf5! ef5 39.Na8 Qa8 40.f3 h5 41.Rcb1 h4 42.Rb8 Qc6 43.a8Q Qc5 44.Kh1 Qd6 45.Rh8 Kg6 46.Ra6 (46.Ra6 Qa6 47.Qa6 Kf7 48.Qd6 g5 49.Rh7 Kg8 50.Qg6 Kf8 51.Qf7) 1–0. mr5reasons1 (1705) – jpdix, gameknot.com, 2013.

4.a3 d6 5.Bb5+/– c6 6.Be2 (6.Bd3 a5 (6...Ba6 7.Nf3 Bd3 8.cd3 Be7 9.0–0 0–0 10.Qc2 a5 11.Nc3; 6...Be7 7.Nc3 Ba6 8.Nf3 Bd3 9.cd3 Nbd7 10.Qc2 0–0 11.0–0; 6...Nbd7 7.Nf3 Be7 8.Nc3 0–0 9.0–0 Bb7 10.Qe2 Qc7 11.h3; 6...Bb7 7.Nc3 Be7 8.Nge2 Nbd7 9.f4 0–0 10.0–0 a5 11.Nd4) 7.b5 cb5 8.Nc3 Nc6 9.Bb5 Bd7 10.Nf3 Be7 11.0–0; 6.Ba4 Qb6 (6...Be7 7.Nc3 Qb6 8.Nf3 0–0 9.Rb1 Nbd7 10.0–0 Ne5 11.Nd4; 6...Qc7 7.Nf3 Be7 8.Nc3 0–0 9.0–0 Nbd7 10.Qe2 Bb7 11.Rab1; 6...a5 7.Nf3 Bd7 8.Nc3 Na6 9.b5 Nc5 10.bc6 Na4 11.cd7; 6...Bd7 7.Nf3 a5 8.Nc3 Na6 9.b5 Nc5 10.bc6 Na4 11.cd7) 7.Nf3 Nbd7 8.0–0 Be7 9.d3 0–0 10.Nbd2 Bb7 11.h3) 6...Be7 (6...Nbd7 7.Nf3 Bb7 8.0–0 Be7 9.c4 0–0 10.Nc3 h6 11.d4; 6...Bb7 7.Nf3 Nbd7 8.0–0 Be7 9.c4 0–0 10.Nc3 h6 11.d4; 6...d5 7.Nc3 Bd6 8.Nf3 0–0 9.0–0 Qc7 10.h3 Nbd7 11.Nd4; 6...Qc7 7.Nc3 Be7 8.Nf3 Nbd7 9.0–0 0–0 10.Nd4 Bb7 11.Rb1) 7.Nf3 (7.Nc3 0–0 8.f4 a5 9.Nf3 Na6 10.0–0 Bb7 11.b5) 7...0–0 (7...Nbd7 8.c4 0–0 9.Nc3 Bb7 10.0–0 h6 11.d4) 8.Nc3 Nbd7 9.0–0 Bb7 10.Bd3 Qc7 11.Qe2. xadrezpg (2395) – kpadfield (2225), net–chess.com, 2010.

4.a3 d6 5.Bb5+/– Bd7 A) 6.Be2 Be7 (6...a6 7.Nf3 Be7 8.0–0 0–0 9.c4 Nc6 10.Nc3 Qb8 11.Qc2; 6...d5 7.Nf3 Bd6 8.c4 0–0 9.c5 Be7 10.0–0 a5 11.Nc3; 6...Nc6 7.Nf3 d5 8.0–0 Bd6 9.b5 Ne7 10.Be5 0–0 11.Nc3) 7.Nf3 0–0 8.0–0 a6 9.c4 Nc6 10.Nc3 Qb8 11.Qc2; B) 6.Nc3 Nc6 (6...a5 7.Bd7 Nbd7 8.Nf3 d5 9.b5 Bd6 10.0–0 0–0 11.Qe2; 6...d5 7.Nf3 Nc6 8.Bd3 Bd6 9.b5 Ne7 10.0–0 0–0 11.Ne2; 6...a6 7.Bd3 Nc6 8.Nf3 Be7 9.Qe2 Qc8 10.0–0 0–0 11.h3) 7.Nf3 a5 8.Bc6 Bc6 9.b5 Bb7 10.0–0 Be7 11.Qe2; C) 6.Bd7 Nbd7 7.Nf3 Be7 8.0–0 0–0 9.Qe2 Qc8 10.Nc3 Qb7 11.Qb5; D) 6.Bd3 Nc6 (6...c5 7.Nf3 d5 8.0–0 cb4 9.ab4 Bb4 10.c4 Nc6 11.cd5; 6...Be7 7.Nf3 0–0 8.0–0 a6 9.Nc3 Nc6 10.Qe2 Qc8 11.h3; 6...d5 7.Nc3 c5 8.b5 e5 9.Nh3 e4 10.Be2 d4 11.Na4; 6...h6 7.Nf3 Be7 8.Qe2 0–0 9.0–0 c5 10.c4 Bc6 11.Nc3) 7.Nf3 Ng4 8.0–0 Rb8 9.Be2 Be7 10.Nc3 0–0 11.b5.

4.a3 d6 5.Bb5+/– Nbd7 A) 6.Nc3 Bb7 (6...Be7 7.Bc6 Rb8 8.Nf3 0–0 9.Nb5 Nb6 10.Na7 Bd7 11.b5) 7.Nf3 a6 8.Ba4 Be7 9.Nd4 c5 10.Nc6 Qb6 11.Ne7; B) 6.Bc6 Rb8 7.Nc3 Be7 8.Nb5 a6 9.Na7 0–0 10.Nf3 Bb7 11.Qe2; C) 6.Nf3 Bb7 (6...Rb8 7.Nd4 Bb7 8.Nc6 Bc6 9.Bc6 Be7 10.Bd4 e5 11.Bb2; 6...Be7 7.Nc3 Bb7 8.Nd4 c5 9.bc5 dc5 10.Nc6 Bc6 11.Bc6) 7.Nc3 a6 8.Ba4 Be7 9.0–0 0–0 10.Qe2 c5 11.e4.

4.a4 ba4 5.Ra4 Bb7 6.c4 Be7 7.Nf3 0–0 8.d4 d6 9.Nbd2 c5 10.bc5 dc5 11.Bd3 Nc6 12.0–0 1–0. Rudbeck,Joergen – Fournier,Frederic, corr GMM03–Sf03, 1997.

4.a4 ba4 5.Ra4 Bb7 6.d4 d5 (6...Be7 7.Nf3 Nd5 8.c3 Nb6 9.Ra1 Nc6; 6...Nc6 7.b5 Nb4 8.Ba3 a5 9.ba6 Na6; 6...Ne4 7.Nc3 Nd6 8.d5 Be7 9.de6 fe6; 6...a6 7.c3 Bc6 8.Ra1 Be7 9.Nf3 0–0) 7.Nf3 Bd6 (7...Nbd7 8.Ne5 Ne5 9.de5 Nd7) 8.Nbd2 (8.Bd3 Nbd7 9.c3 e5) 8...0–0 (8...Nbd7 9.b5 c6) 9.c3 (9.Qa1 Nbd7) 9...Nbd7 (9...Bc6=) 10.Qc2 Re8 11.Be2 e5 12.de5 Ne5 13.0–0 Nf3 14.Nf3 c5 15.bc5 Bc5 16.Rd1 Qe7 17.c4 Rac8 18.Nd4 dc4 ½–½. van de Pavoordt,Frank – Fournier,Frederic, corr or02–025, 2002.

4.a4 ba4 5.Ra4 d5 6.Nf3 (6.Bd4 Bd7 7.b5 a6 8.Nf3 c5 9.Be5 Be7) 6...c5 (6...Bd7 7.b5 c6 8.Nc3 Bd6 9.bc6 Nc6) 7.b5 Bd6 8.Be5 a6 9.Be2 Be5.

4.a4 ba4 5.Qf3 d5 6.Ra4 Bd7 (6...c5 7.b5 Be7 8.Qg3 0–0 9.Be5 Bb7) 7.b5 Be7 8.Bd4 a6 9.Nc3 c5.

4.a4 Bb7 A) 5.Bb5?? Bg2 (5...Bb4?! 6.Nf3=) 6.Be2 Bh1–+; B) 5.ab5 Bb4 6.Nf3=.

4.Bb5 Bb4 5.Be2 0–0 6.a3 Be7 7.Nf3 d5 8.d3 c5 9.Nbd2 Bb7 10.0–0 Nc6 11.Ne5 Ne5 12.Be5 Bd6 13.Bd6 Qd6 14.Bf3 Rab8 15.Rb1 Qc7 16.h3 Bc6 17.c3 Rb1 18.Qb1 Rb8 19.Qa2 Nd7 20.Rb1 Rb1 21.Qb1 Ne5 22.Be2 a6 (22...Ng6!?=) 23.d4+/– cd4 24.cd4 Nd7 25.Nf3 Qb7 26.Qb7 Bb7 27.a4 (27.Nd2 f6+=) 27...Kf8 (27...Nb6 28.Bd1+=) 28.Nd2 Ke7 29.Nb3 Kd6 30.Na5 Bc8 31.Kf1 Nb6 32.Bd1 Bd7 33.Be2 Bc8 (33...Ba4?! 34.Nb7 Kc7 35.Nc5–/+) 34.Bd1 Bd7 35.Be2 Bc8 (35...Ba4?! 36.Nb7 Kc7 37.Nc5–/+) ½–½. Anniii – Fournier,Frederic, Partie evaluee, 5m + 0s, 2009.

4.Bb5 Bb7 5.Nf3 Bb4 6.Nc3 a6 7.Be2 d5 8.0–0 Nbd7 9.a3 Bd6 10.d4 0–0 11.Rb1 Rb8 12.Qd3 c5 13.dc5 Nc5 14.Qd4 e5 15.Qh4 (15.Ne5? Ne6 16.Nf7 Rf7–+) 15...Qe7 16.Rfd1 Ne6 17.a4 Rfc8 18.h3 Ba3 19.Ba3 Qa3 20.Rb3 Qd6 21.Rdb1 Nc5 22.Rb6 Bc6 23.Ba6 Na6 24.Ra6 Rb1 25.Nb1 Qb8 26.Nbd2 Qb7 27.Ra5 Re8 ½–½. NN – Fournier,Frederic, Paris FRA, 1994.

4.Bb5 Bb7 5.Nf3 c6 6.Be2 Bb4 7.0–0 d5. Rohde,Friedhelm – Fournier,Frederic, corr GMM03–Sf03, 1997.

4.Bb5 c6 5.Be2 Bb4 6.Nf3 0–0 7.0–0 g6 (7...d5 8.a3 Bd6 9.Be5=) 8.Ne1 (8.a3 Be7+=) 8...d5 9.f4 Qd6?? 10.Bf6+– Nd7 11.Bg5 (11.Bb2 f6+–) 11...f6 12.Bh6 Re8 13.Bh5! gh5 14.Qh5 d4?? (better is 14...Re7+/–) 15.Rf3 (15.Qg4 Kh8 16.Qg7) 15...de3 (15...Qe7 16.Rg3 Kh8 17.Bg7 Qg7 18.Rg7 Kg7 19.Qe8 de3+–) 16.Qe8 (16.Qg4 Kh8 17.Qg7) 16...Nf8 (16...Qf8 17.Rg3 Kh8 18.Bg7 Kg8 19.Bf6) 17.Rg3 Kh8 18.Bg7 Kg8 19.Bf6 1–0. bentengutama – bigfatchris, net–chess.com, 2002.

4.c3 Bb7 5.Nf3 (5.Bb5?? Bg2 6.Nf3 Bh1–+) 5...a5 6.Bb5 c6 7.Be2 ab4 8.Qb3 c5 9.cb4 cb4 10.a3 Nc6. Van Den Braak Jelle – Fournier,Frederic, corr GMM03–Sf03, 1997.

4.Qf3 c6 5.Bb5 Bb4 6.Ne2 d5 7.Bf6 Qf6 8.Qf6 gf6 9.Ba4 Bb7 10.c3 Bd6 11.Nd4 Ke7 12.Nb3 a5 13.Nd4 c5 14.Nb5 Bc6 15.N1a3 Na6 16.Bc2 Nc7 17.Nd6 Kd6 18.Rb1 f5 19.0–0 Rab8 20.c4 Na6 21.cd5 Bd5 (worse is 21...Kd5 22.Rb8 Rb8 23.Bb3 Ke5 24.Nc4 Kf6 25.Na5+/–) 22.Nb5 Kd7 23.Nc3 Bc6 24.f3 Nb4 25.Bb3 Nd5 26.Nd5 Bd5 27.Bd5 ed5 28.Kf2 Kc7 29.Rfc1 Kc6 30.Rb3 Rb3 31.ab3 Rb8 32.d4 Rb5 33.f4 Kd6 34.dc5 Rc5 35.Ra1 Kc6 36.Kf3 Kb5 37.Rd1 Kc6 38.Ke2 Rb5 39.Ra1 Kb6 40.Ra3 Kc5 1–0. COMP CheckCheck 1 126 – Fournier,Frederic, 1995.

4.Qf3 c6 5.Bf6 Qf6 6.Qf6 gf6 7.a4 Bb4 8.c3 Be7 9.ab5 cb5 10.Bb5 Rg8 11.Bf1 Bb7 12.Nf3 Bf3 13.gf3 f5 14.f4 a5 15.Bb5 Nc6 16.Na3 Na7 17.Ba4 Rc8 18.Ke2 Bh4 19.Rhg1 Rg4 20.f3 Rg6 21.Kd3 Ke7 22.Nc4 Rc5 23.Rg6 (23.Rgb1 Nc8+=) 23...hg6 24.Rb1 Nc8 25.Ne5 Bf6 26.Rb7 Be5 27.Rd7 Kf6 28.fe5 Re5 29.Rc7 Rd5 30.Kc2 Rd8 31.Bd7 Nb6 32.Bb5 Ra8 33.c4 a4 34.Kb2 a3 35.Ka2 Rd8 36.Ka3 Rd2 37.Be8 Rh2 38.Rf7 Ke5 39.Kb4 Rc2 40.Bb5 g5 41.Rf8 (41.Rg7 Rf2 42.Bc6 Kd6=) 41...Rf2 (41...Re2 42.Kc5 Nc4 43.f4 (worse is 43.Bc4 Re3 44.Be6 Rc3 45.Bc4 Rf3–/+) 43...gf4 44.ef4 Kf4 45.Bc4=) 42.f4 (42.Bc6 Kd6 43.Bb5 Nc4 44.Kc4 Rf3 45.Rd8 Ke5 46.Rd3–/+) 42...gf4–/+ 43.ef4 Kf4 44.Kc5 Nc4 45.Kc4 Ke5 (45...Rd2 46.Ba6+=) 46.Kd3 f4 (46...Rf3 47.Ke2 Rb3 48.Bc4+=) 47.Bc4= Rf3 48.Ke2 Rg3 49.Kf2 Rc3 50.Be6 Ke6 51.Rf4 ½–½. Fournier,Bernard – Fehr,Wolfgang, corr SOK–93–98, 1993.

4.Qf3 Nc6 5.a3 (5.a4 A) 5...Bb4? 6.ab5 (worse is 6.Bb5 Bb7+=) 6...Bb7 7.bc6 Bc6 8.Qf4+–; B) 5...Rb8 6.ab5 (6.Bf6 gf6 7.ab5 Nb4 8.Qd1+=) 6...Nb4 7.Bf6 gf6+= 8.Qd1+=; C) 5...Bb7 6.ab5 Nb4 7.Qb7 Nc2 8.Kd1+=; 5.Bb5 Bb7 6.Bc6 Bc6 7.Qg3 Bb4 8.Be5+=) 5...Bb7= (5...Rb8 6.Qd1 (6.Nc3 a6 7.Qg3 d6 8.Nf3=; 6.Bf6 gf6 7.Qh5 d5 8.Nc3=) 6...a5 7.a4 ba4 8.b5=; 5...a6 6.Bf6 (6.c4 bc4 7.Bc4 Bb7 8.e4+=) 6...gf6 7.d4 Bb7 8.Qh3=) 6.Bb5 Nb4 7.Qb7 Rb8 8.Qa7–+ ½–½. Sukiennik,Marek (2120) – Ewert,Krystian (2560), Limanowa Poland, 1999.

4.Qf3 d5 5.Bb5 c6 6.Bd3= (6.Be2 Bb4 7.Bf6 Qf6 8.Qf6=) 6...Bb4 7.Qg3 Bf8 8.Be5 =.

4.Nf3 Bb4 5.Bb5 (5.a3 Bc5 6.d4 Be7 7.Bb5 0–0=) 5...Bb7 (5...a6 6.Bc4=) 6.a3 Ba5 (6...Bc5 7.0–0=) 7.0–0 (7.Nc3 a6 8.Bc4 0–0=) 7...a6= 8.Be2 (8.Bc4 0–0=) 8...d5 (8...0–0 9.Nc3=) 9.c4 (9.Nc3 0–0+=) 9...Nbd7 (9...0–0 10.d4=) 10.Bc3 (10.Bd4 dc4 11.Bc4 c5=) 10...Bb6 (10...Bc3 11.Nc3 dc4 12.Bc4=) 11.d4 c5 12.Nbd2 cd4 (12...0–0 13.dc5 Nc5 14.Rb1=) 13.Bd4 Bd4 14.ed4 (14.Nd4!? dc4 15.Rb1+=) 14...dc4= 15.Nc4 0–0 16.Nfe5 ½–½. Wilk,Bronislawa – Fournier,Frederic, corr 3GMM–05, 1995.

4.Nf3 Bb7 5.a4 =.

4.Nf3 Nc6 5.a3 Ba6 6.Nc3 Rb8 7.Be2 Bb4? (better is 7...Bd6+=) 8.ab4+– Nb4 9.Ba3 Nfd5 10.Nd5 Nd5 11.Bc5 Ne3 (11...Bc8 12.Ba7 Rb7+–) 12.de3 Qc8 13.Qd4 Rg8 14.Qe4 f5 (14...Rh8 15.Ng5 h6 16.Qd4+–) 15.Qh4 d6 16.Ne5 dc5 (16...Kf8 17.Nc6 Qe8 18.Ra6 Ra8 19.Ba7 Rh8+–) 17.Qh5 Ke7 18.Qf7 Kd6 19.0–0–0 Ke5 20.f4 Ke4 21.Qh5 Ke3 22.Qf3 1–0. Fournier,Frederic – Computer2_MEDIUM, Active, 2011.

3.e4 Ne4

4.Bb5 Bb7 =.

4.Bb5 c6

5.Ba4 Qb6–/+ 6.Qf3 Qb4 7.Bb3 d5 8.a3 Qd6 9.Nh3 (9.Nc3 Nc3 10.Qc3 Nd7–/+) 9...Nd7 10.d3 Nec5 11.Ba2 (11.Ng5 Qg6 12.Nh3 Qe6 13.Kf1 Ne5–+) 11...Rb8–+ 12.Bd4 (12.Bc3 e5–+) 12...e5 13.Be3 Nf6 14.0–0 Be7 (14...Bg4 15.Qg3 Rb7 16.Bc5 Qc5 17.Qe5 Kd8 18.c3–+) 15.Nd2 (15.Re1 Bg4 16.Qg3 d4–/+) 15...Rb2 16.Bc5 (16.Nb3 Ne6–+) 16...Qc5 17.Bb3 0–0 (17...Qa5 18.Rfd1–+) 18.Kh1 (18.Rfb1 Bg4 19.Qg3 Rb1 20.Nb1 Re8–+) 18...Ba6 (18...Bg4 19.Qg3 Bh3 20.Qe5–+) 19.Rfe1 (19.Rfb1 Rb1 20.Nb1 Rb8–+) 19...Bd6 (19...Qc3 20.Qe3 Bd3 21.Rad1 Ba3 22.cd3–+) 20.Qd1 (20.Reb1 Rb1 21.Nb1 Rb8–+) 20...Qc3 21.f3 (21.Nb1 Qd4 22.Ra2 Ra2 23.Ba2 Rb8–+) 21...Re8 (21...Bd3 22.Nb1 Bc2 23.Nc3 Bd1 24.Bd1–+) 22.Qc1 (22.Nb1 Qd4 23.Ra2 Ra2 24.Ba2 Rb8–+) 22...Bc5 23.Re2 Bd4 24.Rb1 Rb1 25.Nb1 Qc5 26.Qe1 Rb8 27.Qh4 Bd3! 28.Rd2 Rb3! (28...Rb3 29.Nc3 Qc3–+) 0–1. Nilsson,Nils Roland – Fournier,Frederic, corr 3GMM–05, 1995.

5.Bd3!? d5 A) 6.Be4 de4 A1) 7.Qe2 Bf5 8.a3 a5 9.ba5=; A2) 7.a3 a5 8.Nc3 (8.Qe2 Bf5 9.ba5=) 8...ab4= 9.ab4=; A3) 7.Nc3 f5 8.Nce2 Qd6 9.a3=; B) 6.Qe2 Nf6 (6...Qb6 7.a3 Nf6 8.Nc3 Nbd7 9.Nf3+=) 7.a3 (7.Nf3 e6 8.a3 c5 9.bc5=; 7.Bd4 e6 8.a3 Nbd7 9.Nc3=; 7.a4 e6 8.b5 Bd6 9.Nf3=) 7...e6 8.Nf3 c5 9.bc5=; C) 6.Qf3 Nf6 7.a3 (7.Qf4 e6 8.a3 Bd6 9.Qg5=; 7.Ne2 Nbd7 8.Qg3 e6= 9.Nd4=) 7...a5 8.b5 Qb6 9.Bf6=.

5.Qe2 Nf2 6.Qf2 cb5 7.d4 Nc6 8.Nc3 Nb4 9.a3 Nc6 10.d5 Na5 11.Nb5 Ba6 12.Nd4 (12.Na7? Nc4 13.Bc3 Qc7–+) 12...Nc4 13.Bc3 e5 14.de6 de6 15.Bb4 Qb6 16.c3 e5 17.Ndf3 Qf2 18.Kf2 Rd8 19.Ne2 e4 20.Ng5 e3 21.Kf3 Bb7 22.Kg4? (22.Kg3–+) 22...Bg2 23.Rhe1 Bd6 24.Nf4 h5! (24...h5 25.Kg3 h4 26.Kg2 Bf4–+) 0–1. Chalvet,Philippe – Fournier,Frederic, Active Game France, 1993.

5.Qe2 Nf2+= 6.Qf2 cb5 7.Ne2 Nc6 8.0–0 f6 9.a3 a6 (9...a5 10.Nbc3–/+) 10.Nbc3 e6 11.Nd4 (11.Nf4 Bb7+=) 11...Be7 12.Nc6 (12.Rae1 Qb6 13.Re4 f5–/+) 12...dc6 13.a4 (13.Qf3!? Qb6 14.Kh1–/+) 13...Bb4–+ 14.ab5 Bc3 15.Bc3 cb5 16.Qf3 (16.Rfe1 Qd5–/+) 16...Qd5 17.Qd5 (17.Qg4 e5 18.Qh5 g6–+) 17...ed5 18.Rfe1 (18.Rfb1 Bd7–+) 18...Kf7 19.Bb4 Be6 (19...Bf5 20.c3–+) 20.d4 (20.Ra5 Rhe8–+) 20...Rhc8 21.Re2 (21.c3 Rc6–+) 21...Rc6 (21...Bf5 22.c3 Be4 23.Ra5–+) 22.Rf2 (22.Kf2 Kg6–+) 22...h5 (22...Kg6 23.Ra3–+) 23.c3 h4 24.h3 (24.Rfa2 Bf5–+) 24...Kg6 25.Kh2 Bf5 26.Ba5 (26.Rfa2 Bd3–+) 26...Re6 (26...Re8 27.Bb4–+) 27.Rf4 (27.Bb4 Bd3–+) 27...Re4 (27...Kg5 28.Rf2–+) 28.Rf2 (28.Re4 de4 29.g4 hg3 30.Kg3 Re8–+) 28...Rae8 (28...Kg5 29.Bb4–+) 29.Raf1 Bd7 30.Re2 Re2 0–1. Amir,Jacob – Rogers,Henry, IECG, 2004.

5.Be2 Qb6–/+ 6.Nh3 d5 7.g4 h5 8.a3 hg4 9.d3 Nf2?? (better is 9...Nf6 10.Nf4 a5–+) 10.Nf2+– g3 11.Rf1?? (better is 11.hg3 Rh1 12.Nh1+–) 11...Rh2–+ 12.Ng4?? (12.d4 gf2 13.Rf2 Rf2 14.Kf2–+) 12...Bg4 13.Nc3 (13.d4 Be2 14.Qe2 Re2 15.Ke2 a5–+) 13...g2 14.Rg1 (14.Kd2 g6 15.Qe1 gf1R 16.Qf1–+) 14...Qg1 15.Kd2 Qd1 16.Rd1 (16.Bd1?? g1Q 17.Ne2 d4 18.Bd4 Qd4–+) 16...Rh1 17.Rg1 Rg1 18.Bg4 Rd1! 19.Nd1 (19.Nd1 g1Q Combination; 19.Kd1 g1Q Double attack; 19.Bd1 g1Q Combination) 19...g1Q 20.Ne3 g6 21.Bd4 Bh6 22.Bc8 Qf2 (22...Qf2 23.Kc3 a5–+) 0–1. COMP Mychess 1.0 – Fournier,Frederic, 1995.

5.Bd3!? Qb6

6.Qe2 Qb4 7.Ba3 Qd4 8.c3 Qf2 9.Qf2 Nf2 10.Kf2 +/–.

6.Qe2 Nc5 7.a3 a5 8.Bc3 ab4 9.Bb4 +=.

6.Qe2 Nc5 7.a3 Nd3 8.Qd3 c5 9.Qb3 Qg6 10.Qf3 (better is 10.Nf3!?=) 10...Nc6–/+ 11.d3 cb4 0–1. Chalvet,Philippe – Fournier,Frederic, Active Game France, 1993.

6.Qe2 Nc5 7.Bc3 Nd3 8.Qd3 f6= (8...d6 9.f4=) 9.Qe2 =.

6.Qe2 Nc5 7.bc5?? Qb2 8.Nc3 Qa1 9.Qd1 Qd1 10.Kd1 Na6 11.Ba6 Ba6 –+.

6.Qe2 d5 7.a3 Ba6 (7...Nf6 8.Nc3 Nbd7 9.Nf3+=) 8.Ba6 Na6+= 9.d3 +=.

6.Qf3 Qb4 7.Ba3 +/–.

6.Qf3= Nc5 7.Bc3 (7.a3 a5 8.Bc3 ab4 9.Bb4+=) 7...Nd3 8.Qd3 d6= 9.f4 =.

6.Qf3= Nf6 7.a3 (7.Bf6 ef6 8.Qe2 Kd8 9.a3+=) 7...a5 (7...d6 8.Bf6 ef6= 9.Nc3=) 8.Qe3 Qe3 9.de3 =.

3.Nf3 a5=

4.a4 ab4 5.ab5 Ra1 6.Ba1 c5 =.

4.a4 ab4 5.ab5 Ra1 6.Ba1 d5 7.Bf6 ef6 8.e3 Bd6 9.c3 Be6 10.d4 bc3 11.Nc3 Nd7 12.Bd3 Qa8 13.0–0 0–0 14.Qc2 g6 15.Nh4 f5 16.f3 Be7 17.g3 Bh4 18.gh4 c6 19.e4 fe4 20.fe4 de4 21.Be4 Bd5 (21...Qa7 22.Qf2 cb5 23.Nb5=) 22.Nd5 cd5 23.Bg2 Nb6 24.h5 Qe8 25.hg6 fg6 26.Rf8 Qf8 27.Qc5 Qd8 ½–½. Fournier,Frederic – NN, Paris FRA, 1994.

4.ba5 Ra5 5.Bc3 Ra4 6.e3 =.

4.ba5 e6 5.e4 Ne4 6.Bb5 Ra5 7.a4 c6 8.Be2 Qb6 (8...Bc5 A) worse is 9.Bg7 Nf2 10.Qc1 Rg8–+ (10...Nh1?! 11.Bh8 Ba6 12.d4 Bb4 13.c3+=); B) 9.d4 Qb6 10.Ra2=) 9.Bd4 c5 (9...Bc5 10.Bc5 Qc5 11.0–0=) 10.Be3 d5 11.0–0 Nc6 12.d3 Nf6 (12...Qb2 13.Nbd2 Nc3 14.Qe1–/+) 13.Bf4 (13.Bd2 Nb4=) 13...Be7 14.Nc3 Ba6 (14...Qb4 15.Bd2 Qb7 16.Rb1=) 15.Qd2 (15.Rb1 Qd8 16.Ne5 Ne5 17.Be5 0–0=) 15...0–0 (15...d4 16.Ne4=) 16.Rfb1 Qa7 17.Ne5 (17.Qe3 d4 18.Qd2 dc3 19.Qc3 Nd5–+) 17...Nb4 (17...Nd4 18.Rb2=) 18.Nd1 d4 (18...Rb8 19.c3+–) 19.c3 dc3 20.Nc3 Rd8 21.Rd1 (21.Qe3 Nc2 22.Nc6 Ne3 23.Na7 A) worse is 23...Bd3 24.Nc6 Bb1 25.Be3+= (25.Ne7 Kf8 26.Be3 Ke7 27.Rb1 Nd5 28.Rb7 Kd6 29.Ne4 Kc6+=); B) 23...Ned5+=) 21...Nfd5 (21...Bb7 22.Nc4 Ra6 23.Rdb1=) 22.Nc4 (22.Nd5 Rd5 23.Bf3 Rd4=) 22...Nf4 (22...Nc3 23.Qc3 (worse is 23.Na5 Nd1 24.Rd1 Bd3–/+) 23...Bc4 24.dc4 Rd1 25.Bd1=) 23.Qf4 (23.Na5 Qc7 24.Bf3=) 23...Bf6 (23...Rd4 24.Qg3 Bh4 25.Qh3 Bc4 26.dc4+=) 24.Qc1 (24.Na5 Bc3 25.Qg5–/+) 24...Bc4–/+ 25.dc4 Rd1 26.Qd1 ½–½. Bonetti,Shane – Fournier,Frederic, TT–06 TSC, 2003.

4.ba5 e6 5.Bf6 Qf6 6.Nc3 b4 7.Ne4 Qf5 8.Ng3 Qa5 9.e3 c5 10.Ne5 Bb7 11.Qh5 g6 12.Qh4 Bg7 13.Qf4 0–0 14.Ne4?? (better is 14.Nc4 Qa4 15.Rc1–+) 14...Be4–+ 15.Qe4 d5 16.Qf4 Qc7 17.d4 cd4 18.Nc4 Qf4 19.ef4 d3 20.Nb6 Ra6 21.Bd3 Ba1 22.Ba6 Na6 23.0–0 Bd4 24.Na4 Nc5 25.Nc5 Bc5 26.Rb1 Ra8 27.Rb2 Bd4 28.Rb4 Ra2 29.Kf1 Bc5 30.Rb8 Kg7 31.Rb3 Rc2 (31...Rc2 32.Rf3 h6–+) 0–1. COMP TurboChess – Fournier,Frederic, 1995.

4.c3 e6 5.a3 d5 6.d4 Bd6 7.Nbd2 Nbd7 8.e3 c6 9.Bd3 0–0 10.Qc2 Re8 11.Ng5 h6 12.Ngf3 e5 13.de5 Ne5 14.Ne5 Be5 15.0–0–0 (15.0–0 Qc7 16.h3 a4+=) 15...ab4 16.cb4 Bb2 17.Kb2 Bb7 18.Nb3 Ng4 19.Na5 Qf6 20.Ka2 Ba6 (20...Nf2 21.Rhf1 Nd1 22.Rf6 Ne3 23.Qf2+/–) 21.h3 Ne5 (21...Nf2 22.Rdf1 d4 23.Rf2 (worse is 23.Qf2 Qe6 24.Kb1 de3+/–) 23...Qe6 24.Kb1 de3 25.Re2+–) 22.Rhe1 c5 23.f4 (23.bc5 b4 24.Bh7 Kh8 25.Rd5–+) 23...Nd3–+ 24.Rd3 d4?? (better is 24...cb4 25.ab4 Bc8–+) 25.Qc5= de3 26.Rde3 Red8 27.R1e2 Qf4 28.Nc6 Rd6 29.Ne7 Kh8 30.Nd5 Qc4 31.Qc4 bc4 32.Nc3 Rad8 33.Re7 Rd2 34.Kb1 Re2 35.Re2 Rd3 36.Kc2 Bb7 37.Rf2 f6 38.Rf4 Bg2 39.h4 Bh3 40.Rc4 Bf5 41.Kb2 Rd2 42.Kc1 Rc2 43.Kd1 g5 44.hg5 fg5 45.Rc5 Bd3 46.b5 g4 47.b6 Rb2 48.Na4 Rb1 49.Kd2 Ba6?? 50.Rc6 Kg7 51.Ke3 h5 52.Nc5 Bf1 53.b7 g3 54.Rc8 1–0. Fehr,Wolfgang – Fournier,Frederic, private corr, 1994.

4.c3 e6 5.a3 d5 6.d4 Bd6 7.Nbd2 Nbd7 8.e3 c6 9.Bd3 0–0 10.Qc2 Re8 (10...e5 11.Ne5 Ne5 12.de5 Be5 13.Nf3 Bd6) 11.Ng5 h6 12.Ngf3 (12.Nf7 ?! 12...Kf7 13.Bg6 Kg8 14.Be8 Qe8 15.0–0+=) 12...e5 13.de5 Ne5 14.Ne5 Be5 15.0–0–0?! (15.0–0) 15...ab4 16.cb4 Bb2 17.Kb2! (17.Qb2 Qb6 18.Nb3 Qa6 19.Na5 c5) 17...Bb7? Cg4! (17...Ng4 ! 18.Rdf1 Qf6 19.Ka2 Be6 20.Nb3 d4 21.h3 Bb3 22.Kb3 (22.Qb3 Nf2) 22...Ne5–/+) 18.Nb3 Ng4 19.Na5 Qf6 20.Ka2 Nf2? 21.Rdf1 Nd3?? (21...Ra5 22.Rf2 Ra3 23.Ka3 Ra8 24.Kb3 Qe5 25.Qd2 c5 26.bc5 d4 27.ed4 Qd5 28.Kb2 Ra2 29.Kc1 Rd2 30.Rd2+–) 22.Rf6 1–0. Fehr,Wolfgang – Fournier,Frederic, corr SOK3/098, 1993.

4.e3 Ba6 5.ba5+= e6 6.Nd4 (6.Be2 c6+=) 6...b4 (6...c6 7.Be2=) 7.Ba6+= Na6 8.Nb3 c5 9.Qe2 d5 10.Bf6 (10.d3 Rc8=) 10...gf6 11.d3 Bg7 (11...Rg8 12.0–0 Qc7 13.a3+/–) 12.a3+= f5 13.Ra2 Qc7 14.0–0 Rg8 15.Rc1 (15.Kh1 Qc6+=) 15...ba3 16.c3 (worse is 16.Ra3 Bb2+=; worse is 16.Na3 Nb4 17.Raa1 Ba1 18.Ra1 f4=) 16...Rb8 (16...f4 17.Na3 fe3 18.fe3+=) 17.Ra3+/– c4 18.Nd4 (18.dc4 Bf8 19.c5 Nc5 20.Nc5 Bc5+/–) 18...cd3 (18...Be5 19.Nf3+/–) 19.Qd3+/– Nc5 20.Qc2 (20.Qf1 Bf8+/–) 20...Ne4 (20...Na6 21.Nd2+/–) 21.Qa4 (21.a6 Be5 22.g3 Kf8+/–) 21...Kf8 22.Qc6 Be5 (22...Qd8!?+/–) 23.Qc7+– Bc7 24.a6 f4 25.a7 Ra8 26.c4 (26.Nb5 Bb6 27.Re1 fe3 28.fe3 Rg7+=) 26...fe3+= 27.fe3 Bb6 28.cd5 ed5 29.Nc3 Bc5 30.Ra6 Ra7 31.Ra7 Ba7 32.Nd5 Rg5 33.Nc3 Rc5+= 34.Nce2 Rc1 35.Nc1 Kg7 36.g3 Kg6 37.Kg2 Kf6 38.Nd3 Bb6 39.Kf3 Nd2 40.Ke2 Ne4 41.Nf4 Ke5 42.Nd3 Kf6 43.Nf2 Nc5 44.Kf3 Kg6 45.Nh3 Kf6 46.Nf4 Ke5 47.g4 Bc7 48.h4 Bb6 49.Nf5 Bd8 50.h5 Bg5 51.Nh3 Bd8 52.Nh6+– Ke6 1–0. Wolszczak – Fehr,Wolfgang, corr 3GMM–26, 1997.

4.e3 ab4 5.Bb5 Ra5 6.a4 =.

4.e3 ab4 5.Bb5 c6 6.Be2 e6 7.d4 d5 8.c4 Ba6 9.Ne5 Bd6 10.a3 ba3 11.Ba3 Be5 12.de5 Ne4 13.Bb2 0–0 14.0–0 Nd7 15.f3 Nec5 16.cd5 Be2 17.Ra8 Bd1 18.Rd8 Rd8 19.dc6 Ba4 (19...Be2!? 20.Re1 Bb5 21.cd7 Nd3=) 20.cd7+/– Rd7 21.Rc1 Nb7 22.Nc3 Bb3 23.Ne4 Rd1 24.Rd1 Bd1 25.Nc3 Bb3 26.Nb5 g6 27.Nd4 Bd5 28.Ba3 Kg7 29.Be7 h5 30.Kf2 Na5 31.e4 Ba8 32.Bf6 Kg8 33.Kg3 Nc6 34.Nb3 Kf8 35.Kf4 Nb4 36.Na5 Nd3 37.Ke3 Ne1 38.Bg5 Ng2?? (better is 38...Nc2 39.Kd3 Na3+–) 39.Kf2 1–0. guest756 – ches_man, ICC, 2003.

4.e3 Bb7 5.ba5 c6+= 6.a4 b4 7.Be2 Qa5 8.Bf6 gf6 9.d4 Rg8.

4.e3 Bb7 5.Bb5 ab4 6.0–0 (6.a3 e6 7.0–0 Nc6 8.d3 Ra5 9.Bc6 Bc6) 6...Nc6 (6...e6 7.a3 Nc6 8.d3 Be7 9.e4 0–0) 7.a3 e6 8.d3 Be7 9.e4 0–0.

4.e3 Bb7 5.Bb5 c6 6.Be2 ab4 7.0–0 (7.a3 e6 8.0–0 Be7 9.Re1 0–0) 7...e6 8.c3 (8.a3 d5 9.c4 dc4) 8…Na6 ½–½. Grillon,Jean Marie – Fournier,Frederic, corr AJEC, 1996.

4.e3 Bb7 5.c4 e6 6.ba5 bc4 7.Bc4 d5 8.Qb3 Bc6 9.Be2 Ra5 10.Nc3 Bd6 11.0–0 Nbd7 12.a4 0–0 13.d4 Qa8 14.Nb5 Rb8 15.Bc3 Ra7 16.Qc2 Bb5 17.ab5 Ra1 18.Ra1 Qb7 19.Ne5 Nb6 20.Bb2 Nbd7 21.Nc6 Ra8 22.Ra6 h6 23.f3 Nb6 24.Bd3 Kf8 25.e4 Bf4 26.e5 Nfd7 27.Kf2 h5 28.Ba3 Kg8 29.Be7 Nc4 30.Ra8 (30.Bc4?! Ra6 31.Bd3 Ra8+=) 30...Qa8 31.Bc4 dc4 32.g3 Bh6 33.Qc4 Nb6 34.Qb3 Qa1 35.f4 g6 (35...Qh1 36.Qf3 Qh2 37.Qg2 Qg2 38.Kg2+/–) 36.h4 Nd5 37.Bb4 1–0. Lorin,Fabrice – Fournier,Frederic, private corr, 1994.

3.Nf3 Bb7

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

4.e3 (--> 3.e3 Bb7 4.Nf3).

4.e3 a6 5.a3 e6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6).

3.Nf3 e6

4.a3 a5 5.c3 Bb7 6.e3 c6 7.Be2 d5 8.0–0 Bd6 9.d4 0–0 10.Nbd2 Nbd7 11.Nb3 ab4 12.ab4 Nb6 13.Ra8 Qa8 14.Qa1 Qa1 15.Ra1 (15.Na1? Ra8 16.Rb1 Ra2–+) 15...Ra8 (15...Na4 16.Ra2 Ne4–/+ (worse is 16...Nb2 17.Rb2 Ne4 18.Rc2=)) 16.Ra8 Ba8 (worse is 16...Na8 17.Na5 Ba6 18.Nc6+/–) 17.Nc5 Nc4 18.Bc4 bc4 19.Nd2 Bc5 20.bc5 Bb7 21.f3 Nd7 22.Kf2 f6 23.Ba3 e5 24.e4 ed4 25.cd4 c3 26.Nb3 Ba6 (26...de4 27.fe4 Ba6 28.Na5+=) 27.Na5 (27.ed5!? cd5 28.Na1+/–) 27...Bb5 28.ed5 cd5 29.c6 Nb6 30.c7 Nc8 31.Nb7 Bd7? (31...Kf7 32.Nc5+=) 32.Ke1 (32.Ke3 Bb5+–) 32...Bf5 33.Nd6 Nd6+= 34.Bd6 Kf7 35.g4 Bc8 36.Kd1 Ke6 37.Bg3 Kd7 38.Kc2 Ba6 39.Kc3 Be2 40.f4 Bg4+= 41.f5 Bf5 42.Kd2 Be4 43.Ke3 g5 44.h4 h6 45.hg5 hg5 46.Kd2 f5 47.Ke2?? f4–+ 48.Bh2 Kc7 49.Bg1 Kd6 50.Bh2 Ke6 51.Bg1 Kf5 52.Bh2 g4 53.Kf2 g3 54.Bg3 fg3 55.Kg3 Ke6 56.Kf4 Kd6 57.Ke3 Kc6 58.Kd2 Kb5 59.Kc3 Bf3 60.Kb3 Be2 61.Kc3 Ka4 62.Kd2 Bf1 63.Ke3 Kb4 64.Kd2 Kc4 65.Ke3 Bd3 66.Kd2 Kd4 67.Kc1 Kc4 68.Kd2 Bf5 69.Ke3 d4 70.Kd2 Be4 71.Kc1 (71.Kc1 Kc3 72.Kd1 d3 73.Ke1 d2 74.Ke2 Bd3 75.Ke3 d1Q 76.Kf4 Qf1 77.Kg4 Qg1 78.Kf3 Kd4 79.Kf4 Qe3 80.Kg4 Be2 81.Kf5 Bh5 82.Kf6 Qe5). Fournier,Frederic (1940) – Blitzer (1925), Echecs21, 2003.

4.a3 c5 5.c3 cb4 6.ab4 a6 7.g3 Bb7 8.Bg2 Be7 9.0–0 d5 10.e3 0–0 11.Re1 Nbd7 12.d3 Qc7 13.Nbd2 Rfc8 14.Qe2 Bd6 15.Rec1 Qd8 16.c4 (16.Nb3!?=) 16...dc4 17.dc4 Bb4 18.cb5 Rc1 19.Rc1 ab5 20.Qb5 Bd2 21.Nd2 Bg2 22.Kg2 Rb8 23.Bf6 Nf6 (23...Rb5?? 24.Bd8 Rc5 25.Ra1+–; worse is 23...gf6 24.Qe2+=) 24.Qc6?? (better is 24.Qe5=) 24...Qd2–+ 25.Qc8 Qd8 26.Qc3 Nd5 27.Qe5 h6 28.e4 Nf6 29.Rc7 (29.Rc4 Rb1 30.Qd4 Qd4 31.Rd4 e5–+) 29...Rc8 (29...Ne4 30.Qf4 Ng5 31.Qc4–+) 30.Ra7 (30.Rc8 Qc8 31.Qd4 Qc2–+) 30...Ra8 31.Rc7 Qb8 32.Qc5 Ne4 33.Qe7 Qf8 34.Qh4 Nf6 35.g4 Rc8 36.Ra7 Qe8 37.h3 Qc6 38.Kh2 Qd6 39.Qg3 Qg3 40.Kg3 Nd5 41.f4 Kh7 42.h4 f6 43.Ra5 Rc3 44.Kf2 Rc2 45.Kf3 Rc3 46.Ke4?? Re3 47.Kd4 Rf3 48.g5 (48.g5 Rf4 49.Kd3–+). Saddads – Fournier,Frederic, Partie amicale, 2m + 0s, 2008.

4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.Nbd2 0–0 8.e4 a6 9.Bd3 Bb7 10.0–0 d6 11.Qe2 Nbd7 12.Rac1 Rc8 13.Rfe1 Nb6 14.Ng5 h6 15.Nh3 Na4 16.Ba1 Nc3 17.Qe3 Qa5 18.Nb3 Qa3 19.Nf4 Nce4 20.f3 Ng5 21.h4 Ngh7 22.Nc5 dc5?? (better is 22...Qc1! 23.Rc1 dc5+=) 23.Bh7+– Kh7 24.Qa3 1–0. Robeson,Christian – Fournier,Frederic, Train France, 2000.

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

4.e3 a6 5.a4 (5.c3 Bb7=) 5...ba4 (5...Bb4 6.ab5 Bb7 7.Ra4=) 6.Ra4 Bb7 7.Be2 (7.Bd3 Nd5=) 7...c5 8.b5 (8.bc5 Bc5 9.0–0 0–0=) 8...Be7 9.Nc3 0–0 10.Qa1 (10.0–0 ab5 11.Ra8 Ba8 12.Nb5 Qb6=) 10...Qb6 11.0–0 ab5 12.Nb5 (12.Ra8 Ba8 13.Qa8 Na6+=) 12...Nc6 13.c4 Nb4 14.Na7 (14.d4 Rfb8=) 14...Be4 15.Ng5 Nc2 (15...Bc2 16.Ra3+=) 16.Qa2= Nb4 (16...Bg6 17.Nb5 Nb4 18.Qa1 Ra4 19.Qa4+=) 17.Qa1+= Nc2 (17...Bc2 18.Ra3+=) 18.Qa2= Nb4 (18...Bg6 19.Bf3 d5 20.Ra6–/+) 19.Qa1+= Bc2 20.Ra3 h6 21.Nf3 Be4 22.Ne1 Nc6 (22...Rfb8 23.d3 Nd3 24.Nd3 Bd3 25.Nc8 Ra3 26.Qa3 Rc8 27.Bd3+=) 23.Nb5 Ra3 24.Qa3 Nb4 (24...d5 25.d3 dc4 26.dc4=) 25.Bf3 Ra8 26.Qc3 d5 ½–½. Grillon,Jean Marie – Deneuville,Christian, AJEC TH6/02, 1996.

4.e3 d5 5.Ne5 Bb7 6.Nf7?? (better is 6.Bb5 c6 7.Be2 Bb4 8.0–0=) 6...Kf7–+ 7.Bf6 gf6 (better is 7...Qf6!? 8.c3 Bb4–+) 8.Qh5–/+ Kg8 (8...Ke7!? 9.Bb5 a5 10.c3–+) 9.Qg4 Bg7 10.Bd3? Nc6 11.h4?? f5–+ 12.Qe2 Ne5 13.0–0 Ng4 14.Nc3 Qd7 15.f3 (15.f3 Ne3! 16.Qe3–+). jmcauley (1800) – mbieniek, net–chess.com, 2013.

4.e4 Bb4 5.a3 Be7 =.

4.e3 Bb4

5.a3 Be7 6.Bb5 Ba6 7.Ba6 Na6 =.

5.Bb5 0–0 6.0–0 d5 7.d4 c6 8.Bd3 Ba6 1–0. Baerschneider,Alfred – Fournier,Frederic, corr GMM03–Sf03, 1997.

5.Bb5 a6 6.Be2 =.

5.Bb5 Bb7 6.0–0 0–0 7.a3 Bc5 8.d4 =.

5.Bb5 Bb7 6.0–0 a6 7.Ba4 c5 (7...0–0 8.a3 Bd6 9.Nc3=) 8.a3+= Ba5 9.d3 0–0 10.Nbd2 d5 (10...Nc6 11.Nb3 Bb6 12.Rb1=) 11.c4 Nbd7 12.cd5 Bd5 13.e4 Bb7 14.Nc4 Bc7 15.Rb1 Rb8 16.Bc3 Qe7 17.Qc1 Rfd8 (17...Nh5 18.Qg5 Qg5 19.Ng5=) ½–½. Schirmer,Michael – Fournier,Frederic, corr 3GMM–05, 1995.

5.Bb5 Bb7 6.0–0 a6 7.Be2 0–0 8.c3 (8.Nc3 Nc6=) 8...Be7 9.Qb3 (9.c4 Nc6=) 9...Nc6+= 10.d4 Rb8 11.Qc2 d5 (11...Nd5 12.c4 Ncb4 13.Qb3=) 12.Nbd2 Qd7 (12...Bd6 13.Rab1=) 13.c4 (13.Rfb1 Bd6=) 13...Nb4 14.Qb1 (14.Qc3 dc4 15.Ne5 Qd8=) 14...c5 (14...dc4 15.Bc4 Bd5 16.Ne5=) 15.a3 (15.dc5 dc4 16.Bc4 Bc5=) 15...Nc6 16.dc5 Bc5 17.Bf6 gf6 18.cd5 ed5 (18...Qd5 19.Ne4 Be7 20.Rd1+=) 19.Bd3 (19.Rc1 Qd6+/–) 19...h6 20.Rc1 Qd6 21.Rc3 Ne7 (21...Ne5 22.Rb3+/–) 22.Qd1 (22.Rb3 Ba8+/–) 22...Rfc8 23.Nd4 (23.Qa4 f5 24.Nb3 Ba7 25.Rc8 Bc8+/–) 23...Bd4 24.Qg4 Ng6 25.Qd4 (25.Rc8 Bc8 26.Qd4 Qe5+/–) 25...Rc3 26.Qc3 Qe5 1–0. Grillon,Jean Marie – Ballan,Michel, AJEC TH6/02, 1996.

3.f4 a5

4.a3 =.

4.e3 =.

3.f4 Bb7

4.e3 a5 5.Bb5?? ab4?! 6.Nf3 =.

4.e3 a5 5.Bb5?? Bg2 6.ba5 Bh1 –+.

4.e3 a5 5.Bb5?? Bg2 6.Nf3 Bh1 7.ba5 Ra5 –+.

4.e3 a5 5.Nf3 ab4 (5...c6 6.a4=) 6.Bb5 e6 7.0–0 c6 (7...Be7 8.a3=) 8.Be2 d5 9.c3 (9.a3 Nbd7=) 9...Nbd7 (9...Ba6 10.cb4 Be2 11.Qe2 Bb4 12.a3=) 10.Qc2 (10.cb4 Bb4 11.Qb3 c5=) 10...Qb6 (10...Ba6 11.Ba6 Ra6 12.cb4 Bb4=) 11.h3 (better is 11.cb4!? Bb4 12.a3+=) 11...Ra2–/+ 12.Ra2 (12.cb4 Ra1 13.Ba1 Bb4–/+) 12...b3 13.Qc1 (13.Ra8 Ba8 14.Qd1 Be7–/+) 13...ba2–+ 14.Na3 Ne4 15.d4 (better is 15.Kh2!?–+) 15...Ba6 (15...Ng3 16.Re1 Ba3 17.Ba3 Ne2 18.Re2+=) 16.Ba6 Qa6 17.c4 (17.Kh2 Nc3! 18.Nc2 Ne4–+) 17...Bb4 (17...Ba3 18.Ba3 Qc4 19.Qc4 dc4 20.Ra1–/+) 18.Qa1 (18.cd5 ed5 19.Nc2 Be7–+) 18...Nb6 (18...Ng3 19.Rf2–+) 19.c5 (19.Nc2 Be7 20.cd5 cd5–+) 19...Ba3 20.cb6 Qe2 21.Qa2 (21.Bc1 0–0 22.Ba3 Qe3 23.Kh2 Qa3–+) 21...Qe3 (21...Qb2?! 22.Qb2 Bb2 23.Rb1=; 21...Bb2 22.Qa8 Ke7 23.Qh8 Qe3 24.Kh2 Qf4 25.Kg1–+) 22.Kh2 Qf4 23.Kg1 Qg3 (better is 23...Qe3 24.Kh2 Bd6 25.Ne5 0–0–+) 24.Kh1?? (better is 24.Qa3 Qb8 25.Ne5+–) 24...Qh3?? (24...Bd6 25.Qa8 Bb8 26.Qc6 Kd8+–) 25.gh3+– (25.gh3 Ng3 26.Kg2 Nf1 27.Qa3 Ne3 28.Qe3+–) 1–0. Beauvineau,Arnauld – Ballan,Michel, AJEC TH6/02, 1996.

4.e3 e6 5.Bb5?? Bg2 (5...Bb4?! 6.Nf3=) 6.Nf3 Bh1 –+.

4.e3 e6 5.Nf3 Bb4 6.Bb5 0–0 7.0–0 d5 8.c4 (8.a3 Bc5=) 8...c6 9.Qb3 (9.Ba4 dc4 10.Ne5 Qd5=) 9...a5 10.Ba4 Ba6 (10...dc4 A) worse is 11.Qc4 Ba6 12.Qc2 Bd3 13.Bf6 gf6–/+ (worse is 13...Bc2 14.Bd8 Ba4 15.Bh4=; worse is 13...Qf6 14.Qd3 Qa1 15.Nc3–/+); B) 11.Qc2=) 11.d3= Ng4 12.Bc1 (better is 12.a3!? Bc5 13.Bd4 Bd4 14.ed4+= (14.Nd4? Ne3 15.Re1 dc4–+)) 12...Bc5–/+ 13.Re1 dc4 14.dc4 Qf6 15.g3? (15.Qc3 Qc3 16.Nc3 Bc4–/+) 15...Nd7 (15...Qa1 16.Bb2 Bc4–+) 16.Bc6 (16.Bb2 Bc4! 17.Bf6 Bb3 18.Bc6 Ndf6 19.Ba8 Ne3 20.Nbd2 Nc2 21.Kf1–/+) 16...Rab8 (16...Qa1 17.Bb2 Be3 18.Kg2 Nc5+=) 17.Bb5?? (17.Qc3 Bb4 18.Qf6 Ndf6+=) 17...Bb7 (17...Qa1 18.Bb2 Qb2 19.Qb2 Ne3 20.Re3 Be3 21.Kg2 Bc5–/+) 18.Bb2= Qh6 19.Nbd2 (19.Bd7 Bf3 20.Qc2 Ne3 21.Re3 Rb2 22.Qb2 Qh3 23.Ba4 Be3 24.Qf2 Qg2) 19...Bb4 (19...e5 20.Qd3 ef4 21.Bd7=) 20.Re2 (worse is 20.Bd7 Bf3 21.Nf3 Be1–/+) 20...Nc5 (20...Rfd8 21.a3 Bc5 22.Bd4=) 21.Qc2+= Rbd8 (21...Qh5 22.a3 Bd2 23.Nd2=) 22.Bd4 (22.a3 Bd2 23.Nd2 Qh5+=) 22...Qh5= 23.Rf1 (23.Qd1 Bc3 24.Rc1 Bb2=) 23...f6 24.h4 (24.a4 Rd6=) 24...Bd2 (24...Rd6 25.Bc3+=) 25.Nd2 (25.Rd2 Rd4 26.ed4 Ne3–/+) 25...Ne3+= 26.Re3 Rd4 27.Nb3 Nb3 28.Qb3 Qf5 29.Ba4 Ba8 30.Qb6= e5 31.fe5?? Qh3–+ 32.Bc6 Rd2 33.Re2 Re2 34.Rb1 Qh2 35.Kf1 fe5 36.Bf3 Rf3 37.Qf2 Qf2 0–1. Beauvineau,Arnauld – Le Roux,Frank, corr TH6/02, 1996.

4.e3 e6 5.Nf3 Bb4 6.Bb5 0–0 7.0–0 d6 8.c4 (8.a3 Bc5=) 8...a6 9.Qb3 Bd2 (9...c5 10.Ba4=) 10.Nbd2 ab5 11.cb5 Nbd7 (11...c6 12.Bf6 Qf6 13.Ne4=) 12.Bd4 (12.Qc2 Nd5+=) 12...Bd5 (12...c5!? 13.bc6 Bc6=) 13.Qc2+= Re8 14.e4 Bb7 (14...e5 15.fe5 de5 16.Be3+=) 15.e5 (15.a4 e5 16.fe5 de5+=) 15...Nd5+= 16.ed6 (16.Nc4!?+=) 16...cd6= 17.Ne4 Nf8 18.g3 (18.Nfd2 Ng6 19.Nc4 Ndf4 20.Ned6 Re7+=) 18...Ng6 (18...e5 19.fe5 de5 20.Bc5+=) 19.Nfd2 (19.a4 Qd7=) 19...Nde7 (19...Rc8 20.Qb2+=) 20.a4= Nf5 21.Bf2 (21.Qd3 e5 22.fe5 Ne5 23.Nf6 Qf6 24.Qf5 Nf3 25.Qf3 Qd4 26.Qf2 Re2–+) 21...Qe7 (21...e5 22.fe5 Ne5 23.Qd1=) 22.a5 Rec8 23.Qb1 (23.Qd3 Be4 24.Ne4 d5+=) 23...d5 24.a6 (24.Ng5 d4+=) 24...de4 (24...Ba6 25.ba6 de4 26.Ne4=) 25.ab7+= Qb7 26.Qe4 Rab8 27.b6 Nd6 28.Qb4 Rd8= 29.Rfc1 Qd5 30.Rc5 Qd3 31.Ra3 Qe2+= 32.Re3 Qg4 33.Re1 e5 34.Rd5 Nf4–/+ 35.Bc5 Nb7 36.Rde5 Nc5 37.Qf4 Qf4 38.gf4 Nd3 39.Nc4 f6 40.R5e4 Ne1 41.Re1 Rd4 42.Rc1 Rf4 43.Rc3 Kf7 44.b7 Ke6 45.Na5 Rb4 46.Rc7 Rb5 47.Nc6 Kd6 (47...Kd6 48.Rc8 R8b7–+; 47...R5b7 48.Rb7 Rb7 49.Nd8 Kd5 50.Nb7+=) 0–1. Beauvineau,Arnauld – Grillon,Jean Marie, corr TH6/02, 1996.

4.Nf3 a5 =.

3.f4 e6

4.a3 a5 5.e3 Bb7 =.

4.e3 Bb4 5.a3 Be7 6.Bb5 =.

4.e3 Bb7 5.Bb5?? Bg2 (5...Bb4?! 6.Nf3=) 6.Nf3 Bh1 –+.

4.e3 Bb7 5.Nf3 a6 6.a3 c5 7.bc5 Bc5 8.c4 (8.d4 Be7+=) 8...bc4 9.Bc4 d5 10.Be2 (10.Bd3 Nbd7=) 10...Nbd7 (10...0–0 11.0–0=) 11.Bf6 (11.0–0 Rb8=) 11...Nf6 (11...Qf6 12.d4+=) 12.0–0 (12.Qa4 Qd7 13.Qd7 Nd7=) 12...0–0 13.d4 Bd6 14.Nbd2 (14.Bd3 Qe7+=) 14...Qe7 15.Qb3 Rab8 (15...Rfc8 16.Rfb1+=) ½–½. Beauvineau,Arnauld – Fournier,Frederic, AJEC TH6/02, 1996.

4.e3 Bb7 5.Nf3 Bb4 6.Bb5 0–0 7.0–0 c5 (7...a6 8.Be2=) 8.Bf6 (8.a3!? Ba5 9.Nc3=) 8...Qf6+= (worse is 8...gf6 9.c3 Ba5 10.Qe1+=) 9.c3 Ba5 (9...a6 10.Bd3+=) 10.d4 (10.Qa4 Qd8=) 10...Rc8 11.Qd3 (11.Qa4 Qd8=) 11...Bf3 (11...cd4 12.cd4 a6 13.Ba4+=) 12.Rf3 d5 13.f5 c4 14.Qc2 e5 15.Rf1 (15.Nd2 Nc6+=) 15...e4 (15...a6 16.Ba4–/+) 16.g4 (16.Nd2 Nc6+=) 16...a6–/+ 17.Ba4 Nc6 18.Qf2 (18.Qg2 h6–/+) 18...Rab8 19.h4 (19.Qg3 Bd8–/+) 19...h6–+ 20.Qg3 Bd8 (20...Bc7 21.Qf2–/+) 21.Bc6–/+ Qc6 22.g5 Rb2 23.f6 hg5 24.hg5 Qe6 25.Rf2 Rf2 26.Kf2 Bc7 (26...Qb6 27.Nd2 Qb2 28.Rd1–/+) 27.Qg2–/+ Rb8 (27...gf6 28.gf6 Kf8 29.Qg7 Ke8 30.Nd2–/+) 28.Ke1 Qf5 (28...Qb6 29.Na3–/+) 29.Kd1 (29.fg7 Kg7 30.Nd2 Rh8–/+) 29...Qf3 (29...gf6 30.gf6 Qg6 31.Qf1–/+) 30.Qf3 ef3 31.Nd2 f2 32.Ke2 Re8 33.Nf1 Re6 34.fg7 Bd8 35.Rd1 Bg5 36.Rd2?? Bh4?? 37.Kd1 Rb6–+ 38.Ke2 Kg7 39.Nh2 f5 40.Rd1 a5 41.Nf3 Rb2 42.Kf1 Bg3 43.Kg2 f1Q! 44.Kf1 Rf2 45.Kg1 Rf3 46.Rf1 Rf1 47.Kf1 Kg6 (47...Kg6 48.Ke2 a4–+) 0–1. Beauvineau,Arnauld – Deneuville,Christian, corr AJEC TH6/02, 1996.

3.Bf6 ef6

4.a3 a6 5.e4 Bb7 6.d3 d5 7.ed5 Qd5 8.Nf3 Bd6 9.Be2 0–0 10.Nbd2 Nc6 11.0–0 Rfe8 12.Ne4 Be5 13.Ne5 fe5?? (better is 13...Ne5 14.Bg4 a5+=) 14.Bf3+/– Qe6 15.Nc5 Qc8 16.Nb7 Qb7 17.c4 (17.Bd5 e4+/–) 17...Qb6 (17...Rad8 18.Bd5 Rd5 19.cd5 Nd4+/–) 18.c5+– Nd4?? (better is 18...Qb7 19.Bd5 Rad8+–) 19.Ba8 (better is 19.cb6 Rac8 20.b7+–) 19...Qb8 20.Be4 f5 21.Bd5 Kh8 22.Rc1 c6 23.Ba2 Qd8 24.Re1 Qg5 25.h3 f4 26.Qg4 Qf6 27.Re4 g6 28.Rce1 h5 29.Qd7 Re7 30.Qd8 Kg7 31.Qg8 Kh6 32.f3 Qg5 33.Qh8 Rh7 34.Qg8 Nf3 35.Kf2 Ne1?? 36.Re1 Qg3 37.Kf1 Qd3 38.Kg1 Qd4 39.Kh1 e4 40.Qe6 e3 41.h4?? Qd2 42.Rf1 e2 43.Rg1?? Qd1?? 44.Kh2?? Qd2?? 45.Bb1+– Rg7 46.Qe4?? Qe3?? 47.Qe3+– fe3 48.Re1 Re7 49.Re2 1–0. Okitref – Fournier,Frederic, Active, 2007.

4.a3 Bb7 5.e3 Be7 (5...a5 A) 6.Bb5 Bg2 (6...ab4?! 7.Nf3–/+) 7.Be2 Bh1–+; B) 6.ba5 Ra5 7.Nf3+=) 6.Nf3 (6.Bb5? Bg2 7.Qg4 Bh1 8.Qg7 Rf8 9.Qh7 a5 10.ba5 Ra5–+) 6...a6 7.c4 bc4 8.Bc4 0–0 9.0–0 c5 10.bc5 Bc5 11.Nc3 Nc6 12.d4 Be7 13.Qb3?? (13.Qd3 Qc7+/–) 13...Rb8?? (13...Na5 14.Qb1 Rc8–+ (14...Nc4?! 15.Qb7 Qc8 16.Qb3=)) 14.Qa2 g6 15.Nd2 Kg7 16.Rab1 Na5 17.Bd3 Qc7 18.Nd5 Bd5 19.Qd5 Nc6 20.Rfc1 Qd6 21.Qa2 Qa3= 22.Qa3 Ba3 23.Rc2 a5 24.Rb8 Rb8 25.g3 Bb4 26.Ne4 d5 27.Nf6 Kf6 28.Rc6= Kg7 29.Bb1 a4 30.Ba2 a3 31.Bd5+= Rb5 32.Ba2 Bf8 33.Rc7+/– Kh6 34.Bf7 Rb2 35.Ra7 a2? 36.Ba2 Bb4 37.Bg8 Be1 38.Rh7 Kg5 (38...Kg5 39.f3 Bb4+–). fractura – Fournier,Frederic, Active, 2009.

4.a4 ba4 5.Ra4 Bb7 6.Nc3 d5 7.e3 c5 8.bc5 Bc5 9.d4 Bb6 10.Bb5 Nd7 11.Qg4 g6 12.Nge2 f5 13.Qf3 Rc8 14.Nd5 Rc2 15.0–0 Bd5 16.Qd5 0–0 17.Qb3 Qc7 18.Nf4 Nf6 19.Bc4 Rd2 20.Rd1 Rd1 21.Qd1 Qd6 22.Ra6 Rc8 23.Qb3 Qe7 24.Nd3 Ng4 25.h3 Nh6 (better is 25...Ne3!? 26.fe3 Qe3 27.Kh2 Bd4+=) 26.Ne5 Qc7 27.Qc2 Qb7 28.Qa4 Kg7 29.d5 f6 30.Nc6 Nf7 31.Be2 Rc7 32.Qf4 Nd8 33.Nd8 Rc1 34.Kh2 Bd8 35.d6 Rc6 36.Rc6 Qc6 37.Bf3 Qb5 38.Qd4 Qe5 39.Qe5 fe5 40.Bc6 Kf6 41.Kg3 Ke6 42.d7 Kd6 43.Bb5 a5 44.Kf3 Kc5 45.Ba4 Kb4 46.Bc6 a4 47.e4 a3 48.Bd5 f4 49.g3 fg3 50.Kg3 Kc3 51.f4 h5 52.fe5+/– Kb2 53.e6 a2 54.Ba2! Ka2 55.e5?? Kb3 56.Kf4 Kc4–+ 57.e7 Be7 58.Ke4 Kc5 59.Kf3 Kd5 60.Kf4 Kd4 61.Kf3 Ke5 62.Ke3 Kd6 63.Ke4 Kd7 0–1. COMP Ajedrez – Fournier,Frederic, 1995.

4.Nc3 Bb4 5.Nb5 a6 6.Nd4 d5 7.Rb1 Bd6 8.Rb3 (better is 8.Rb8!? Rb8 9.Nc6=) 8...c5–/+ 9.Re3 Kf8 10.Ndf3 Nc6 11.Qa1 (better is 11.Rb3!?–/+) 11...Bf5–+ 12.Qb1 Nb4 13.d3 (13.Rc3–+) 13...Rb8 14.Qd1 Qa5 15.Nd2 (15.c3 d4 16.Re8 Re8 17.cb4 Qb4 18.Qd2 Qb1 19.Qd1 Qa2–+) 15...Bf4 (15...Qa2 16.Qc1 Nc2 17.Kd1 Ne3 18.fe3 Qa4 19.Qc2 Qa1 20.Qc1 Qc1 21.Kc1–+) 16.c4 (16.c3 Na2 17.g3 Nc3 18.Qc1 Be3 19.fe3–+) 16...Qa2 17.Qc1 d4 18.Rf3 (18.Ngf3 Nc2 19.Kd1 de3 20.Qc2–+) 18...Bd2 19.Qd2 Nc2 20.Kd1 Rb1 21.Qc1 Rc1 (21...Na1 22.Qb1 Qb1 23.Kd2 Nb3) 22.Kc1 Na3 23.Kd1 Qc2 24.Ke1 Qc1 0–1. COMP Battlechess – Fournier,Frederic, 1995.

4.e3 A) worse is 4...Bb4 5.Qg4 (5.Bb5?! c6 6.Qg4 Bf8=) 5...Qe7 6.c3+/– (6.Bb5?! 0–0=); B) 4...a5=.

4.e4 a5 5.ba5 Ra5 6.c4 =.

4.e4 a5 5.Bb5 ab4 6.c3 Qe7 7.Bd3 (7.Qe2 Bb7 8.f3 Nc6+=) 7...f5–/+ 8.Qe2 Bb7 9.f3 Qf6 10.e5 Qh4 11.g3 Qh5 12.Qe3 Nc6 13.Be2 Qg6 14.Nh3? (better is 14.Bc4–/+) 14...b3!–+ 15.a4 (15.ab3 Qe6 Double attack (15...Ra1 Pinning; 15...Ra1 Deflection; 15...Qe6 Decoy)) 15...f4! 16.Nf4 (16.Qf4 b2 Passed pawn; 16.gf4 b2 Passed pawn; 16.Nf4 b2 Passed pawn) 16...b2 17.Ng6 ba1Q 18.0–0 (18.Nh8 Qb1 19.Bd1–+) 18…hg6 0–1. Baer,Cy (1895) – Valverde,Mario (2055), CiF, 2007.

4.e4 Bb4 5.Bb5 (5.c3 Be7 6.Bb5 c6=) 5...Qe7+= 6.Qf3 (6.Qe2!?+=) 6...Bb7–/+ 7.c3? (better is 7.Bd3 d5 8.Bb5 c6 9.Bd3–/+) 7...Be4–+ 8.Qe3 (8.Qg3 Bg2 9.Ne2 Bh1 10.Qg7 Qf8–+) 8...Bc5 9.d4 Bg2 10.Qe7 (10.dc5 Bh1 11.Nd2–+) 10…Be7 0–1. Jericon – Wall,Bill, internet, 2000.

2.Nc3 a6

3.a3 c6 4.Ne4 d5 5.Ng5 (5.Ng3 a5+=) 5...f6 6.N5f3 Bg4 (6...a5 7.Rb1+=) 7.Bb2 Nd7 8.h3. Unicorn5 – horsehold, ChessWorld.net, 2013.

3.e3 Bb7 4.Nf3 e6 5.Ne5 (5.a3 Nf6= 6.d4 a5 7.Bb5 ab4 8.Nb1 Bd6 9.0–0 Qe7 10.a4=; 5.Bb2 Nf6 6.a3 c5 7.bc5 Bc5 8.d4 Be7 9.Bd3 0–0 10.0–0=) 5...Qf6 (5...Bb4 6.Bb2–/+ Bd6 7.Nf3 Nf6 8.Be2 b4 9.Na4 0–0 10.c4–/+) 6.d4 (better is 6.Nd3!?= Nc6 7.a3 Qh4 8.g3 Qg5 9.f4 Qd8 10.Bg2=) 6...Bb4–/+ 7.Bd2 Ne7 (7...Bd6 8.a4 b4 9.Na2 a5 10.c3+=) 8.Ng4 (8.a4 ba4 9.Rb1 Bc3 10.Rb7+=) 8...Qg6 (8...Qg5 9.f4 Qg6 10.Ne5+=) 9.Ne5 (9.a4 d6 10.f3–/+) 9...Qf6 (9...Qf5 10.Ne2–/+) 10.a3 (10.Ng4 Qg5 11.f4+=) 10...Bc3 11.Bc3 0–0 12.Bb4 d6 13.Ng4 Qf5 14.Bd3 Be4 15.a4 c6?? (better is 15...Bd3 16.cd3 h5–+) 16.Bd6+= Re8 17.Ne5 f6? 18.Be4?? Qg5?? 19.Nd3 f5 20.Bf4 Qg6 21.Ne5 Qf6 22.Bf3 a5 23.c3 Rd8 24.ab5 Ra7 25.bc6 Rc8 26.c4 Nbc6 27.Bc6 Nc6 28.Nc6 Rc6 29.c5 Rc8 30.Be5 Qg6 31.0–0 Rca8 32.d5 Rd8 33.d6 Ra6 34.Qa4 Qe8 35.Qe8 Re8 36.Rfc1 Rd8 37.c6 Rf8 38.c7 Raa8 39.d7 Kf7 40.c8Q Rfc8 41.Rc8 Ra6 42.d8Q Kg6 43.Bf4 h5 44.Qg5 Kh7 45.Qh5 1–0. snake2 – gordiemac, ChessWorld.net, 2011.

3.Nf3 Bb7 4.e4 e6 5.d4 Bb4–/+ 6.Bd2 c6 7.a3 Be7 8.Bd3 d5 9.ed5 cd5–/+ 10.0–0 h6 11.a4 b4 12.Nb1 Nc6 13.Ne5 Ne5 14.Re1?? Nd3–+ 15.cd3 a5 16.g3 Bf6 17.Ra2 Bd4 18.Be3 Be3 19.fe3 Nf6 20.e4 de4 21.de4 Qd1 22.Rd1 Be4 23.h3 0–0 24.Re1 Bd5 25.Rb2 Ne4 26.Kh2 Ng5 27.h4 Nf3 28.Kh3 Ne1 29.h5 e5 30.Re2 Nf3 31.Re5 Ne5 32.g4 Be6 33.Kh4 Bg4 34.Nd2 Bd1 35.Ne4 Ba4 36.Nc5 Bd1 37.Ne4 b3 38.Nc3 Bc2 39.Nd5 b2 40.Ne7 Kh7 41.Ng6 fg6 42.hg6 Ng6 43.Kh5 b1Q 44.Kg4 Qg1 45.Kh5 Qg5 (45...Qd1) 0–1. maz_manchester – kingsknight59, ChessWorld.net, 2005.

3.Nf3 e6 4.e4 Bb4 5.Bb2 Bb7 6.d3 Qf6 7.Qd2 d6 8.h3 Ne7 9.a3 Ba5 10.Be2 Nd7 11.h4 d5 12.0–0 d4 13.Nd5 Bd2 14.Nd2?? ed5–+ 15.Nf3 de4 16.Bd4 Qg6 17.Ng5 Nf5 18.Bc3 Nh4 19.Bd2 Ng2! 20.Kg2 ed3 21.Bf3 Bf3 22.Kf3 Ne5 23.Kf4 dc2 24.Rfe1 f6 25.Ne6 Qh6 26.Ke4 Qd2 27.Nc7 Kd7 28.Nd5 Qf2 29.Rac1 Qf3 30.Kd4 Qd3 31.Kc5 Qc4 32.Kb6 Rhb8 33.Ka5 Qa4# 0–1. valerypavlovich (2120) – nay (2190), net–chess.com, 2006.

3.g3 Nf6 4.Bg2 c6 5.e3 h6 6.Nge2 e6 7.a3 d5 8.d4 Ng4 9.e4 Be7 10.Bf4 Nd7 11.h3 Ngf6= 12.e5 Nh5 13.a4?? Bb4 14.Bc1 g5 15.Bf3 Ng7 16.0–0 Nf5 17.Bb2 Nf8 18.ab5+= Qb6 19.g4 Nh4=+ 20.Bh1 Nfg6 21.Ba3 Bc3 22.Nc3=+ Nf4 23.bc6 Qc6 24.Bc5? h5–+ 25.Ne2 Nh3 26.Kh2 Nf4?? 27.Nf4= gf4 28.Qb1?? hg4–+ 29.Qb5?? Bb7 30.Qc6–+ Bc6 31.Rg1 Rg8 32.Rgb1? Nf5 33.Rb6–/+ Bb5 34.Kg1?? f3?? 35.Rc1?? Rh8 36.Bd6 Nd4 37.Rb8 Rb8 38.Bb8 Ne2 (39.Kf1 Rh1#) 0–1. oracleinshadows (1725) – valerypavlovich (2120), net–chess.com, 2006.

2.Nc3 c6

3.a4 ba4 4.Na4 (4.Nf3 d5+=) 4...d6 (4...e5 5.Bb2 f6 6.Ba3=) 5.d3 (5.d4 Nf6=) 5...Bb7 (5...e5 6.Nf3=) 6.Be3 (6.e4 Nf6+=) 6...Nd7 (6...e5 7.d4=) 7.Nf3 (7.Nc3 e5=) 7...e6 (7...e5 8.Bd2=) 8.Nc3 (8.Bd2 Ngf6=) 8...a6 (8...d5 9.Qb1= (9.Ra7? Ra7 10.Ba7 Bb4–+)) 9.g3 (9.Bg5 Be7 10.Be7 Ne7=) 9...Ngf6 10.Bg5 (10.Rb1 d5=) 10...Be7 (10...d5 11.Rb1=+) 11.Bg2 d5 (11...h6 12.Bd2=) 12.Rb1 h6 (12...0–0 13.0–0=) 13.Bf4 (13.Bd2 0–0=) 13...0–0 (13...g5 14.Bc1=) 14.0–0 Nh5 (14...Ra7 15.d4=) 15.Be3 (15.Bd2 e5=) 15...e5 (15...Qc7 16.h3=) 16.d4 ed4 17.Bd4+= Bf6 18.e3 Re8 19.Re1 Bd4 20.Nd4 Nhf6 21.e4 de4 22.Ne4 Qc7 23.Nf6+= Nf6 24.Nf5 Re1 25.Qe1 Re8 26.Qd2 Qe5 27.Nd6 Rd8 28.Nf7 Rd2 29.Ne5 Rc2 30.Rd1 Kf8 31.Nd3 Rc4 32.Nc5+/– Rb4 33.Nb7 Rb7= 34.Bc6 Ra7 35.f4 Ke7 36.Kg2 a5 37.Kh3 a4–/+ 38.g4 a3 39.g5 hg5 40.fg5 Ng8?? 41.Bd5+/– a2 42.Ra1 Kf8 43.Ra2 Ra2 44.Ba2 Ne7 45.Kg4 g6 46.h4+– Kg7 47.Bb1 Nd5 48.h5?? (48.Bg6 Kg6 49.h5 Kg7 50.Kf5 Ne7 51.Ke6+=) ½–½. Kitama – UPS, mySchach.de, 2005.

3.a4 a6 4.ab5 e5 5.ba6 Na6 6.b5 Nc7 (6...cb5!? 7.Nb5 d5+=) 7.Ra8 Na8 8.d4 (8.e4 Qb6+/–) 8...f6 (8...Bb4 9.Bb2+/–) 9.e4 (better is 9.de5 Bb4 10.Bb2+–) 9...c5? (9...Bb4 10.Qd2 d5 11.de5 d4=+) 10.de5+– fe5 (10...d6 11.ef6 Nf6 12.Nf3+–) 11.Qd5 (better is 11.Qh5!? Ke7 12.Qe5 Kf7 13.Bc4 d5 14.Qd5 Qd5 15.Bd5 Be6 16.Ba8 Bd6+–) 11...Bb7 (11...Nc7 12.Qe5 Ne6+–) 12.Qb7 Ne7 13.Nf3 Ng6 14.Bc4 Nf4 15.0–0 Nc7 16.Bb2 Be7 17.b6 Na8 18.Na4 Ne6 19.Ne5 0–0 20.Rd1 d6 21.Nc6 Qc8 22.Ne7 Kf7 23.Nc8 (23...Kg6 24.Be6+–) 1–0. ifairclough – quikeagle, net–chess.com, 2001.

3.a4 e5 4.ab5 Bb4 5.e4 =.

3.Bb2 e6 4.a4 Bb4 5.Ne4 (5.ab5 Nf6 6.e4 d6=) 5...Nf6 (5...f6 6.ab5 d5 7.Ra4=) 6.Nf6 gf6 7.c3 (7.ab5 cb5 8.e3 Bb7=) 7...Ba5 (7...Be7 8.e4=+) 8.e3 b4 9.c4 (9.Qg4 bc3 10.Bc3 Bc3 11.dc3 d5=+) 9...Ba6 (9...d6 10.Rb1=+) 10.Qb3 (10.Qg4!? d5 11.Qg7=) 10...d5–/+ 11.c5 (11.Nf3 dc4 12.Bc4 Bc4 13.Qc4 Rg8=+) 11...Bf1 12.Kf1 Nd7 13.Nf3 (13.d4 Rb8–/+) 13...Nc5–+ 14.Qc2 b3?? (better is 14...Nd7–/+) 15.Qc5+– Qc7 16.Bf6 Rg8 17.Nd4 Rg6? 18.Qe7 Qe7 19.Be7 Ke7 20.Nc6+/– Kd6 21.Na5 Rb8 22.Nb3 Rb3 23.f4 Rg8 24.g3 Rgb8 25.Rc1 a5 26.Ke2 R3b4 27.Ra1 Rb2 28.Rhc1+= e5? 29.fe5+– Ke5 30.Ra3 f5? 31.Rd3 Ra2? 32.Kf3?? Ra4=+ 33.Rc5 Rd8 34.Rb3 Rb4 35.Rb4+/– ab4 36.Rb5 Rc8 37.Rb4 Rc2 38.d4 Ke6 39.h4 Rc4 40.Rb6 Kf7 41.h5 h6? 42.Kf4 Rc7 43.Rh6 Kg7 44.Rg6 Kh7 45.Kf5 Re7 46.Re6 Rf7 47.Kg4 Rg7 48.Kh4 Rf7 49.g4 Rf3 50.Kg5 Rf7 51.h6 Rd7 52.Rg6 Re7 53.Rg7! Rg7 54.hg7 Kg7 55.Kf5 Kf7 56.Ke5 Kg6 57.Kd5 Kg5 58.Ke5 Kg4 59.d5 Kg5 60.d6 1–0. ifairclough – quikeagle, net–chess.com, 2001.

3.d3 d5 4.Bf4 e6 5.g3? (better is 5.a3!?=+) 5...Bb4–+ 6.Bd2 Qa5 7.Nf3?? (better is 7.Nb1–+) 7...Bc3 8.Rc1 Bd2 9.Nd2 Qa2 10.Bh3 Nf6 11.0–0 0–0 12.f3 Qa5 13.Nb3 Qb6 14.d4 Nbd7 15.Qd2 a5 16.f4 c5 17.e3 c4 18.Nc5 Nc5 19.dc5 Qc5 20.Ra1 Ne4 21.Qe2 a4 22.f5 e5 23.f6 Bh3 24.fg7 Bf1 25.Rf1 Kg7 26.Qg4 Kh8 27.Qf3 Nd2 28.Qf6= Kg8 29.Qg5 Kh8 30.Qe5?? f6–+ 31.Qe6 Nf1 32.Kf1 a3 33.g4 Rae8 34.Qf5 a2 35.Qh5 a1Q (36.Kg2 Qe3 37.Qh7 Kh7 38.c3 Qag1#) 0–1. ronsteel – Heat, Live Game Caissa's Web, 2004.

3.e4 d6 4.Bb2 (4.a4 ba4 5.Nf3 Nf6+=) 4...Bd7 (4...a5 5.a3=) 5.d4 (5.a4 ba4 6.Nf3 e5+=) 5...Qc8 (5...a5 6.a3=) 6.h3 (6.a4 Na6 7.ab5 Nb4 8.bc6 Bc6+=) 6...Na6 7.a4 (7.a3 e6+=) 7...Nc7 (7...Nb4 8.Ba3=) 8.d5 (8.ab5 cb5 9.d5+/–) 8...e5? (8...ba4!? 9.Bc4 Rb8 10.dc6 Bc6+=) 9.ab5 (9.dc6 Bc6 10.ab5 Bb7+/–) 9...c5? (better is 9...cb5 10.Bd3 Nf6+=) 10.bc5+– dc5 11.Qh5 g6?? (better is 11...Bd6+–) 12.Qe5 Ne7 13.Qh8 g5 14.Nf3 Be6 15.d6 Kd7 16.Rd1 Ke8 17.de7 Ke7 18.Nd5 Bd5 19.ed5 Qf5 20.d6 Kd7 21.dc7 Kc7 22.Qe5 Qe5 23.Be5 Kb6 24.Ng5 f6 25.Rd6! Bd6 26.Bf6 Re8 27.Be2 h6 28.Nf7 Bf8 29.c4 Re6 30.Bc3 h5 31.Ng5 Rg6 32.h4 a5 33.0–0 Be7 34.Bh5 Rg8 35.Re1 Bg5 36.hg5 Rg5 37.Bf3 a4 38.Ra1 Rg6 39.Ra4 Rd6 40.Ra6 Kc7+– 41.Be5 Kd7 42.Bd6 Ke6+– 43.Bc5 Kd7 44.Bg4 Kc7 45.Ra7 Kd8 46.Be7 Ke8 47.Bh5# 1–0. 488 – Pekin Dragons, ChessWorld.net, 2013.

3.d4 d5

4.a3 e6. mtacta – johnabc, net–chess.com, 2013.

4.e3 Nf6 5.Nf3 Bg4 (5...e6 6.a3=+) 6.h3 (6.a4 e5 7.de5 Bb4=) 6...Bh5 7.Be2 (7.a4 e5 8.de5 Bb4=) 7...Na6 (7...e6 8.a3=+) 8.Ng5 (better is 8.Nb5 Bf3 9.gf3 Nb4 10.a3=) 8...Qd6?? (better is 8...Be2!? 9.Qe2 Nb4–/+) 9.a3?? (better is 9.Bh5 Nh5 10.Qh5+–) 9...h6 10.Bh5+= hg5 11.Qf3?? Rh5–+ 12.Ne2 g6 13.Ng3 Rh4 14.c3 g4 15.hg4 Rg4 16.Nh5 Nh5 17.Qg4 Nf6 18.Qh4 Nc7 19.e4 de4 20.Bf4 Qd5?? 21.Bc7+= Kd7 22.Ba5 Qc4 23.Qh3 Ke8 24.Rd1 Nd5= 25.Qg3 Nc3 26.Rd2 Rd8?? 27.Bd8+– Kd8 28.Qb8 Kd7 29.Qf8 Nb1?? 30.Re2 Qc1 0–1. Doobi – JimDog, ChessWorld.net, 2005.

3.e4 e5

4.Nf3 a5 5.ba5 d6 =.

4.Nf3 Bb4 5.a4 +=.

4.Nf3 Bd6 5.Be2 Bb7 6.0–0 Qf6 (6...Bb4 7.a4=) 7.d3 (7.d4 Bb4 8.de5 Qg6+=) 7...h6 (7...Bb4!? 8.Bb2 d6+=) 8.a3 Ne7 9.a4 (9.d4!?+=) 9...Bb4= 10.Bd2 0–0 11.h3 (11.ab5 a5=) 11...d5 (11...a6!?–/+) 12.ed5 cd5 13.Nb5 Rc8?? (better is 13...Bd2 14.Qd2 a6+=) 14.Bb4+– Nbc6 15.c3 (15.Bc5 Nf5+–) 15...a6 (15...Nb4 16.cb4 d4 17.Nd2+–) 16.Na3 (16.Nd6 Rcb8 17.Bc5 Nc8 18.Nb7 Rb7+–) 16...a5 17.Be7 Ne7 18.Rb1 Bc6 19.Nb5 Qg6? 20.Ne5 Qg5 21.Nf3 Qf6 22.d4 Nf5 23.Ne5 Ne7 24.Nc6 Nc6 25.Re1 Re8 26.Nc7 Qd6 27.Na8 Ra8 28.Bd3 g6 29.Bb5 Ne7 30.Qd2 Nf5 31.g4 Nh4 32.Qe3 Qf6 33.f4 g5 34.Rf1 Qg7 35.fg5 hg5 36.Qe7 Rf8 37.Bd3 f6 38.Rb7 Qe7 39.Re7 Rf7 40.Re8 Kg7 41.c4 Rd7 42.c5 Kf7 43.Re3 Rb7 44.Bb5 Ng6 45.Be8 Kg7 46.Bg6 Kg6 47.Ref3 Rf7 48.c6 Kg7 49.Rf6! Rf6 50.Rf6 Kf6 51.c7 Ke7 52.c8Q Kf7 53.Qf5 Ke7 54.Qg5 Kd6 55.Qf6 Kc7 56.g5 Kd7 57.g6 Kc7 58.g7 Kb7 59.g8Q (59.g8Q Kc7 60.Qgf7 Kc8 61.Qh8; 59.Qf7 Kc6 60.g8Q Kd6 61.Qgg6) 1–0. Dazzer – gordiemac, ChessWorld.net, 2011.

4.Nf3 f6 5.a4 Bb7 (5...Bb4 6.ab5 Ne7+/–) 6.d4 (6.ab5!? Bb4 7.Ba3 Bc3 8.dc3+/–) 6...Bb4+/– 7.Qd2 (7.Bd2 ed4 8.Nd4 Qb6+/–) 7...ed4 (7...d5 8.Bd3 Ne7 9.Rb1–/+) 8.Qd4 (better is 8.Nd4 a6 9.Nf5=) 8...a6?? (better is 8...c5 9.Qe3 Qe7+=) 9.Qb4+– a5 10.e5 (better is 10.Qb3 b4 11.Be3+–) 10...ab4–+ 11.Be2 (11.Ne4 Qc7 12.Be3 fe5 13.Bc5–+) 11...bc3 12.Ba3 Ra4 13.Bb2 Ra1 (better is 13...cb2 14.Rd1 Qa5 15.Nd2 fe5 16.0–0–+) 14.Ba1 Qa5 15.Nd4 Qa1 16.Bd1 fe5 17.Nb3 Qa7 18.Bh5 g6 19.Bg4 Ne7 (19...Nf6!? 20.Bf3–+) 20.0–0 Nf5 (better is 20...0–0 21.Bf3–+) 21.Nc5 Qc5 22.Re1 Nd4 23.Bd1 0–0 24.Re4 Nf5 25.g4 Nh4 26.g5 Qf2 27.Kh1 Qg2 0–1. terrybx – ishawamatryer (1625), net–chess.com, 2014.

2.Nc3 e5

3.a3 Nc6 4.Nb5+= a6 5.Nc3+/– d5 6.Bb2 d4+= 7.Ne4 a5 8.e3 ab4= 9.Nf3? Qd5 10.Neg5 h6 11.Nh3 Bh3 12.gh3 ba3 13.Bc1 Nf6 14.c3 e4 15.Nd4 Ne5 16.Bg2 Nd3 17.Ke2?? Nb2 18.Bb2–/+ Qc4?? 19.d3+– Qd5 20.c4 Qh5 21.f3+– a2? 22.de4 Ne4 23.Kf1 Ng5 24.f4 Qd1 25.Rd1 Ne6 26.Ba8 (26...Nd4 27.ed4+–) 1–0. color1972 – gummi57, ChessWorld.net, 2005.

3.a3 Nf6 4.Bb2 a6 5.e4 Bb7 6.d3 c6 7.Nf3= Bd6 8.Be2 0–0 9.0–0 a5 10.Na2 ab4 11.Nb4 Bb4 12.ab4 +=. brawn – Zamoht, ChessWorld.net, 2005.

3.Nf3 Bb4 4.Rb1 Ba6?? 5.Rb4+– Nc6 6.Nd5?? Nf6? 7.Ne3?? Nb4–+ 8.Ne5 Na2 9.Ba3 b4 10.Bb2 b3! 11.cb3 Nb4 12.Nf7?? Kf7 13.Nf5 Qe8 14.e4 Qe4 15.Be2 Nd3 16.Kf1 Qf5 17.Qa1 Qf2# 0–1. evandebrake – aforry, net–chess.com, 2001.

3.a3 a5!?

4.ba5 Ra5 5.Nf3 =+.

4.Nb5 ab4 5.Bb2 c6 =+.

2.c4 bc4

3.a4 c3 4.dc3= Ba6 5.b5 Bb7 6.a5 a6 7.b6 cb6–/+ 8.ab6 Qb6 9.e4 d5?? 10.ed5= Qe6?? 11.de6+– fe6 12.Ra4 Bc6 13.Rd4 Nd7 14.Bc4 Ne5 15.Be6 Nf6 16.Nf3 Nf3 17.gf3 Rd8 18.Rd8# 1–0. pidy – idontknow, net–chess.com, 2006.

3.a4 e5!? 4.b5 d5 –/+.

3.b5 Bb7 4.Bb2 d5 5.e3 c6 6.a4 e6 7.Be5 Nd7 8.Bd4 Bc5?? 9.Bg7+– (9...cb5 10.ab5+– (10.Bh8?! b4+–)) 1–0. riverborne – ladyday, Live Game Caissa's Web, 2005.

3.b5 d5 4.d3 e6 5.Nf3 =+.

3.e4 Nc6 4.Bc4 e6 5.a3 d5 6.ed5 ed5 7.Qe2 Be7 8.Bb5 Bd7 9.Bb2 a6?? (better is 9...Kf8+=) 10.Bc6+– Bc6 11.Bg7 Nf6 12.Bh8 Ng8 (12...Kd7 13.Bf6 Bf6 14.Qg4 Ke7 15.Ra2+–) 13.Nf3 Bb5 14.Qe3 Qd6 15.Nc3 c6 16.a4 Bc4 17.d3 Bb3 18.Rb1 Qb4 19.Nd2 Rb8 (19...Qg4 20.f3 Qg2 21.Rg1 (21.Nb3?! Qh1 22.Kd2 Qh2 23.Ne2 Qh6+–) 21...Qh2 22.Nb3+–) 20.Rb3 Qd6 21.Be5 Qd8 22.Rb8 a5 23.Qb6 Bc5 24.Qd8 1–0. marekt – horsehold, ChessWorld.net, 2013.

3.e4 e5 4.Bc4 Bb4 5.Qb3 Qe7 6.Ba3 Ba3 7.Na3 Ba6?? (7...Nf6 8.Nb5 Na6 9.Qe3–/+) 8.Nb5?? (Better is 8.Ba6 Na6 9.Qb7 Qa3 10.Qa8 Ke7 11.Ne2+–) 8...Bb5=+ 9.Qb5 Nf6 (Better is 9...Nc6–/+) 10.Qb7+/– 0–0 11.Qa8 Ne4?? 12.Qe4+– Nc6 13.Nf3 Kh8 14.Bd3 f5 15.Qa4 e4 16.Be4 fe4+/– 17.Nd4 Ne5?? 18.0–0+– Nd3 19.Qa7 Qf7 20.Nb5 c6 21.Nd6 Qf6 22.Ne4 Qe5 23.Qe3 Nf4 24.d4 Qf5 25.Nd6 Qg5?? 26.g3 Ne2 27.Qe2 1–0. pinecrest1981 – CaptainCheckmate, Live Game Caissa's Web, 2004.

2.d4 Bb7

3.a3 a5 4.Bb2 (4.Qd3 ab4 5.Qb5 Be4 6.Qb4 e5=) 4...ab4+= 5.ab4 Ra1 6.Ba1 d6 (6...Na6!?+=) 7.d5 c6 8.e4 e5 9.Nc3 g5 (9...Qd7 10.dc6 Bc6 11.Nd5+=) 10.Qg4 (10.dc6!? Bc6 11.Bb5 Bb5 12.Nb5+/–) 10...h5 11.Qd1 g4 (11...Nf6 12.dc6 Bc6 13.Bb5 Bb5 14.Nb5 Ne4 15.c4+=) 12.h3 (12.dc6 Bc6 13.Bb5 Bb5 14.Nb5 Nc6+/–) 12...Nf6 13.h4 (13.dc6!? Bc6 14.hg4 Ng4 15.Be2+=) 13...Rg8 14.dc6 Bc6 15.Bd3 (15.Bb5 Bb5 (15...Ne4? 16.Bc6 Nc6 17.Ne4+–) 16.Nb5 Qb6=) 15...g3 (15...d5!? 16.ed5 Nd5–/+) 16.f3 (16.Nb5? gf2 17.Kf2 Qb6 18.Nd4 ed4–+) 16...Na6 17.Qb1 (17.Nd5 Nd5 18.ed5 Bd7+=) 17...Qb6 18.Nd1 d5 19.Be5 Nd7 20.Bc3 f6?? 21.ed5 Bd5 22.Ne2 Qe6 23.Bb5 Qd6 24.Bd7 Kd7 25.b5 Nc5 26.Bf6?? Qf6+= 27.Ne3 Bf3?? 28.b6?? Be2–+ 29.Ke2 Qf2 30.Kd1 Qe3 31.Qb5 Kd6 32.Re1 Qa3 33.b7 Nb7 34.Qe5?? Kc6–+ 35.Qe6 Qd6 36.Kc1 Rg6 37.Qc8 Kb6 38.Qa8 Bh6 39.Kb2 Qb4 40.Ka2–+ Qe1 41.Qa3 Qe6 42.Kb1 Kc7 43.Qc3 Qc6 44.Qe1 Qg2 45.Qe7 Kb6 46.Qb4 Ka7 47.Qa4 Ra6 48.Qd4 Rb6 49.Ka2 Qc2 50.Ka3 Qb3# 0–1. pillsbury (2000) – ashipham (1625), net–chess.com, 2010.

3.a4 e6 4.c3 a5 5.ab5 ab4 6.Ra8 Ba8 7.c4 c5 8.Qa4 Be4 9.Nd2 Nf6 10.Ngf3 Bf3 11.Nf3 cd4 12.Nd4 Qc8 13.e3 d5 14.b6 Nbd7 15.Qa7 Bd6 16.b7 Qc5 17.Qa8 Bb8 18.Qa6 0–0 19.Bb2 Bc7 20.Nb3 Qd6 21.Qd6+/– Bd6 22.Bf6 gf6 23.cd5 Rb8 24.Ba6 ed5 25.Ke2 h5 26.Rc1 Kh7 27.f4 Rg8 28.Bd3 Kh8 29.Bb5 Nb8 30.Kf3 Kh7 31.Nd4 b3 32.Nb3 f5 33.Rc8 Rf8 34.Nd4 Kg6 35.Be8 Kf6 36.Nb5 Ke7 37.Nd6 Kd6 38.Rb8 Kc7 39.Rd8! Kb7 40.Bc6! Kc6 41.Rf8 Kd6 42.Rf7 Ke6 43.Rh7 h4 44.Rh4 Kf7 45.Rh5 Ke6 46.h4 d4 47.ed4 Kd5 48.Rf5 Kd4 49.h5 (49.h5 Kc3 50.h6 Kb2 51.h7 Kb3 52.g4 Kc2 53.h8Q Kb3 54.Qb8 Kc4 55.Qb5 Kc3 56.Rc5 Kd4 57.Qc4) 1–0. marekt – David Lonsdale, internet, 2012. (=1.d4 b5 2.b4)

3.Nc3 a6 4.e4 h6 5.Bf4 f6?? 6.Bd3 (6.Qh5 g6 7.Qg6) 6...d6 7.Nf3 e5 8.de5 (better is 8.Be3!?+/–) 8...de5= 9.Be3 Bd6 (9...Bb4!? 10.Bd2 c5–/+) 10.0–0 Ne7 11.h3 (11.a3 0–0+=) 11...Nbc6 (11...Bb4 12.Nb1+=) 12.Nh4 (12.a3!?+=) 12...Bb4 13.Ne2 Qd7 14.f4 Ba3 15.fe5 Ne5 16.Nf5 Rh7 17.Nf4 g6 18.Ne7 Qe7 19.Bd4 Rg7 20.Be2? (20.Nd5!? Bd5 21.ed5–/+) 20...c5 21.Be5 Qe5 22.Nd5 Rd8 23.Rf6?? Bd5 24.Ra6 Bb2 25.Rb1 Bd4 26.Kh1 Be4 27.Bb5 Kf8 28.Qf1 Rf7 29.Qc4 Bd5 30.Qa4 Qg5 31.Ra8 Ra8 32.Qa8 Ba8 (32...Ba8 33.Bc6 Bc6 34.Rb8 Ke7 35.Re8 Ke8 36.a4 Qg2) 0–1. calchess10 – gordiemac, ChessWorld.net, 2011.

3.d5 d6 4.e4+= Nf6 (4...c6 5.a4 Nf6 6.dc6 Bc6 7.Bb5+/–) 5.Bb5+/– c6 6.Ba4 g6 (6...Qb6 7.c3 Ne4 8.Be3+=) 7.Qd3 (better is 7.Qf3 Qc7 8.Nc3+/–) 7...Nbd7?? (better is 7...a5 8.a3 Bg7+/–) 8.dc6+– (8.Bc6?! Bc6 9.dc6 Ne5+/–) 8...Ne5 (8...Bc6 9.Bc6 Rc8+–) 9.cb7 Ned7 10.ba8Q Qa8 11.Bb2 Bg7 12.Bd7 Kd7 13.Bf6 Bf6 14.c3 Rd8 15.Qb5 Kc8 16.Qc4 Kd7 17.f3 Ke8 18.Ne2 Rc8 19.Qb5 Kf8 20.0–0 Kg7 21.Nd4 e5 22.Ne2 a6 23.Qd3 Be7 24.c4 a5 25.b5 Rc5 26.a4 Qc8 27.Rc1 Qc7 28.Na3 Bg5 29.Rc2 Qb6 30.Kh1 h5 31.g3 Bh6 32.h4 g5 33.f4! f6 34.hg5 fg5 35.f5 Kf6 36.Rd1 Bf8 37.Rcd2 Qb7 38.Qf3 g4 39.Qe3 Qb6 40.Rd6! Bd6 41.Qh6 Kf7 42.Qe6 Kg7 43.Rd6 Qb8 44.Rd7 Kh8 45.Qh6 (45.Qh6 Kg8 46.Qg7#; 45.Qf6 Kg8 46.Qg7#) 1–0. Baer,Cy (1895) – Tortoza,Carlos, remoteschach.de, 2007.

3.d5 Nf6 4.f3 Nd5 5.e4 Nb4 6.a3 N4c6 7.Nc3 a6 8.Bd2 g6 9.Bd3 Bg7 10.Nge2 0–0 11.0–0 Ne5 12.Bf4 Nd3 13.Qd3 Nc6 14.Rad1 d6 15.Bg3 b4 16.ab4 Nb4 17.Qc4 a5 18.Rc1 Ba6 19.Qb3 Be2 20.Ne2 Qb8 21.Qa4 Qb6 22.Bf2 Qc6 23.Qc6 Nc6 24.Ra1 a4 25.Ra2 Nb4 26.Ra3 Nc2 27.Ra2 Nb4 28.Ra3 Bb2 0–1. welder45 – wk1234, playok.com, 2012. (=1.d4 b5 2.b4)

3.e3 a5 4.c3 (4.Bb5?? Bg2 (4...ab4?! 5.Nf3=) 5.ba5 Bh1–+) 4...ab4 5.cb4 Ra4 (5...e5 6.de5 Bb4 7.Bd2=) 6.a3 (6.Nc3 A) worse is 6...Rb4 7.a3 (7.Nb5? Rb5 8.Nf3 Ra5–+) 7...Rc4 8.Bc4 bc4 9.e4+–; B) 6...Ra8+=) 6...Nc6 (6...e6!?=) 7.Nc3 Nb4?? (7...Ra8 8.Bb2+=) 8.Nb5 (better is 8.Na4 Na6 9.Nc3 c6+–) 8...c6? (better is 8...Ra8 9.Rb1 Nc6+=) 9.Qa4+– cb5 10.Qb4 e6 11.Qb5 Qc7 12.Bd3 Bg2+/– 13.Ke2 Bh1= 14.Nh3 Be7 15.e4?? Bg2?? 16.Ng1?? Nh6 17.a4 Qh2+= 18.Nf3 Bf3 19.Kf3 0–0 20.Rb1 Qh3 21.Ke2 Qg4 22.f3? Qg2–+ 23.Kd1 Qf3 24.Be2 Qe4 25.Bg5 Bg5 26.Qb8 Qd4 27.Kc2 Qd2 28.Kb3 Rb8 29.Ka3 Rb1 30.Bc4 Qb2# (30...Be7#) 0–1. WirralBoy – nickb, ChessWorld.net, 2012.

3.e3 e6 4.Bb5 Bg2 5.Ne2 Bh1 6.Bb2 Bb4 7.c3 c6 8.Ba4 Be7 9.Kd2 Be4 10.Qg1 Bg6 11.Na3 Nf6 12.Nc4 d5 13.Ne5 Qc7 14.Qc1 Nbd7 15.Bc6 Rd8 16.Bd7 Nd7 17.Nd7 Rd7 18.Nf4 0–0 19.Qg1 e5 20.de5 Qe5 21.Ng6 fg6 22.Rb1 Qf5 23.Qf1 Qf2 24.Qf2 Rf2 25.Kd3 Rh2 26.Bc1 Ra2 27.Rb8 Kf7 28.Rh8 h6 29.Ra8 Bc5 30.Rb8 Rc7 31.e4 de4 32.Ke4 Bb6 Black claimed a win on time 0–1. groovenetwork – Darkseid, ChessWorld.net, 2013.

3.a3 Nf6

4.Nc3 a5 5.Bd2 (5.Rb1 c6=) 5...e6 6.ba5 Ra5 7.Nf3 c6 8.e4 Ra3 (worse is 8...Ba3 9.e5 b4 10.ef6 bc3 11.Bc3+/–) 9.e5 Nd5 10.Nd5 ed5 11.Bd3 Ra1 12.Qa1 Be7 13.0–0 0–0 14.Qa7 Qc7 15.Ra1 f6 16.h4 (16.Ba5 Qc8=) 16...Re8 17.Bf4 fe5 18.de5 Bb4 19.Bg3 Be7 (19...Bc3 20.Ra2 b4=) 20.Qd4 Na6 21.Qg4 Qc8 22.e6 d6 23.Qh5 g6 24.Bg6! hg6 (24...hg6 25.Qg6 Combination) 25.Qg6 Kh8 26.Re1 (26.Re1 Nc7 27.Re5 Bg5 28.Qh5 Bh6 29.Qh6 Kg8 30.Rg5#) 1–0. marekt – David Lonsdale, internet, 2012. (=1.d4 b5 2.b4)

4.e3 a5 5.ba5 (5.Bb5?? Bg2 6.ba5 Ra5–+) 5...Ra5 6.Bd2 Ra8 7.Nf3 (7.Bb5?? Bg2 8.Ne2 Bh1–+) 7...c6 8.c4 bc4 9.Bc4 e6 10.Nc3 d5 11.Bd3 Ba3 12.0–0 Bd6 13.Qb1 Ra1 14.Qa1 Nbd7 15.Rb1 Ba8 16.Qa6 0–0 17.Qa4 e5 18.Be2 e4 19.Nh4 g6 20.Qa7 Ne8 21.g3 f5 22.Bc1 c5 23.Ba3 Rf7 24.Nb5 Bf8 25.Qa4 cd4 26.Nd4 Bh6 27.Ne6 Qf6 28.Qa6 Nf8 29.Qa8 Qe6 30.Rb8 Nc7 31.Qa4 Bg7 32.Qb3 Qe5 33.Ng2 Nce6 (33...Qa1 34.Bf1–/+) 34.Nf4+= The backward pawn on d5 becomes a target 34...Nf4 35.gf4 Qc7 36.Rb5 Kh8 37.Rd5 h6 38.Rc5 Qa7 39.Rc8 Kh7 40.Rb8 Rf6 41.Rb7 Qa8 42.Re7 Qd8 43.Qb7 Ne6 44.Bb2 Qf8 45.Bc4 Ng5 46.fg5 hg5 47.Qc7 g4 48.Rd7 Kh6 49.Rd8 Qb4 50.Bf6 Bf6 51.Rd7 Qe7 52.Re7 (52.Re7 Ba1 53.Rh7 Kg5 54.Qf4 Kf6 55.Rf7#) 1–0. marekt – David Lonsdale, internet, 2012. (=1.d4 b5 2.b4)

3.a4 ba4

4.Ra4 Bc6 5.Ra1 g6 6.c3 Bg7 7.f3 Nf6 8.e4 0–0 9.Bd3 d6 10.b5 Bd7 11.c4 Ne8 12.Bb2 c5 13.Ne2 Nc7 14.Qc2 a6 15.b6 Ne8 16.Qb3 Nc6 17.d5 Bb2 18.Qb2 Nb4 19.Bc2 Qb6 20.0–0 a5 21.Nbc3 Nf6 22.Na4 Ba4 23.Ba4 Rfb8 24.Qa3 Qa6 25.Bb5 Qb6 26.Ba4 Qa6 27.Rac1 Qc8 28.Nc3 Nd3 29.Rcd1 Ne5 30.Bb5 Nfd7 31.Na4 Nb6 32.Nb6 Rb6 33.f4 Nd7 34.Rb1 Nf8 35.h3 Qc7 36.g4 e6 37.Rbe1 ed5 38.ed5 Kg7 39.Re3 Nd7 40.Rfe1 Nf6 41.Re7 Qb8 42.Kg2 Qf8 0–1. vwj – wk1234, playok.com, 2012. (=1.d4 b5 2.b4)

4.Ra4 e5 =.

2.e3 a5

3.Bb5 ab4

3.Bb5 c6

2.e3 a6

3.a3 d5 4.d4 c6 5.h3 (5.Bd2 Bf5=) 5...f5 (5...a5 6.ba5 Qa5 7.Bd2=) 6.h4 (6.Bd2 Nf6+=) 6...h5 (6...a5 7.ba5 Qa5 8.Bd2=) 7.f4 (7.Bd2 e6+=) 7...Nf6= 8.Nf3 Nbd7 9.Bd3 Ng4 (better is 9...Ne4=) 10.Bf5+– Rh6 11.e4 (better is 11.Qd3!? Ndf6 12.Bg6 Kd7 13.Ng5+–) 11...e6+/– 12.Bg4 hg4 13.Ng5 Nf6 14.e5 Ne4 15.Ne4 Rh4? (15...de4 16.g3+–) 16.Rg1?? (16.Nf2 Rh1 17.Nh1 Qh4 18.Nf2 Qh2+–) 16...Rh2?? (16...de4 17.Nc3+/–) 17.Be3 de4 18.g3 g6? 19.Nc3 a5 20.ba5?? Qa5–+ 21.Kf1 Qc3 22.Ra2 Qe3 23.Rg2 Rh1 24.Rg1 Rg1# 0–1. Pekin Dragons – rgp, ChessWorld.net, 2013.

4.a4 Bb4 5.c3 Be7 6.ab5 =.

3.a4 e6 4.Bb2 =.

3.c3 Nf6 4.f3 e5 5.Bd3 c5 6.e4 cb4 7.Ne2 Bc5 8.Bc2 g5 9.d3 h6 10.c4 bc4 11.dc4 Nh5 12.Qd3 Bd4 13.Nec3 d5 14.Bb2 bc3 15.Bc1 g4 16.fg4 0–1. gengar – Izzy5150, ChessWorld.net, 2005.

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

3.Nf3 Bb7 4.Bb2 (--> 2.Bb2 Bb7 3.e3 a6 4.Nf3).

3.a4 Bb7

4.ab5 ab5 5.Ra8 Ba8 6.Bb5?? Bg2–+ 7.Bb2 Bh1 8.Qg4 Nh6 9.Qg3 Nc6 10.Bc3 Nf5 11.Qg4 e6 12.Ne2 Qa8 13.Ng3 (13.Nc1 h5 14.Qc4 Nd6 15.Bc6 Bc6–+) 13...Ng3 14.Qg3 (14.Bc6 Bc6 15.hg3 h5–+) 14...Qa2 15.Qc7 (15.Ke2 Qb1 16.f3 Bb4 17.Bb4 Qb4 18.Bd3–+) 15...Bf3 16.Qc8 (16.Na3 Qa3 17.Bb2 Qb2 18.Qc8 Ke7 19.Qd7 Kd7 20.Bc6 Kc6 21.b5 Kd6 22.d4 Qc1) 16...Ke7 17.Bg7 (17.Qe8 Ke8 18.Na3 Qa3 19.Bb2 Qb2 20.Be2 Qa1 21.Bd1 Qd1) 17…Qb1 0–1. NN – Fournier,Frederic (2180), Active, 2006.

4.ab5 ab5 5.Ra8 Ba8 6.Bb5?? Bg2 7.Nf3 Bh1 –+.

4.ab5 ab5 5.Ra8 Ba8 6.Nf3 e6 7.Bb5 Bb4 8.Ba3 Ba3 9.Na3 Nf6 10.0–0 Nc6 11.c3 0–0 12.Qc2 Qe7 13.Ra1 h6 (13...Rb8 14.d4=) 14.Nc4 Qc5 15.Qa4 Bb7 16.d4 Qh5 17.Qc2?? (better is 17.Qb3=) 17…Qb5–+ (17...Qb5 18.Ncd2 Rb8–+) 0–1. Djakov,Joao – Legvold,Douglas Eric, Internet Section, 2004.

4.ab5 d5 5.ba6 Ba6 6.Ba6 Ra6 7.Ba3 e6 8.b5 Ra8?? 9.f4 Ba3+= 10.Ra3 Ra3 11.Na3 Qd6 12.Nb1 Nf6 13.Nc3 0–0 14.d4 Ne4 15.Ne4+/– de4 16.Nh3 Qb4= 17.Qd2 Qb1 18.Qd1 Qb5 19.g4 Qb4 20.Kf2 h6 21.g5= hg5 22.Ng5+= Nc6 23.Ne4 Rd8 24.c3 Qb2 25.Qd2 Qd2 26.Nd2+– f5 27.Nf3 g6 28.Rg1 Kg7 29.Ne5 Ne5+/– 30.de5 Rd2+= 31.Kf3 Rh2 32.Rb1 Rc2 33.Rb7 Rc3=+ 34.Rb8 c5 35.Rb6 Kf7 36.Rb7 Ke8 37.Rb6 Kd7 38.Rb7 Kc6 39.Re7 Kd5 40.Rd7 Kc4 41.Rd6 Rc1 42.Re6 Rg1 43.e4 fe4 44.Ke4+= Kb5 45.f5 Re1=+ 46.Kd5 gf5 47.Re7 Rd1–/+ 48.Ke6 f4 49.Kf5 f3 50.e6?? f2 51.Kg6 f1Q 52.Rf7 Qg2 53.Kh7 Rh1# 0–1. ajeffries (1645) – iboyd (1950), net–chess.com, 2006.

4.Nf3 ba4 5.Nc3 e6 6.Ba3 (6.Ra4 Nf6=) 6...Nf6 7.Na4 Be7 8.Bb2 (8.Be2 Nc6=) 8...0–0 (8...Bb4!? 9.Rb1 a5–/+) 9.Be2 Bb4 10.c3 (10.c3 Be7 11.0–0–/+). Haroldlee123 – retiponziani, ChessWorld.net, 2013.

4.Nf3 d6 5.ab5 ab5 6.Ra8 Ba8 7.Bb5 Nc6 8.Nd4 Qd7 9.c4 e5 10.Qa4 Bb7 11.Nc6 Nf6 12.Nb8 Bc8 13.Nc3 Ke7 14.Bd7 Nd7 15.Nd5 Ke6 16.Nc7 Kf5 17.Nd7 Be7 18.Qc6 g5 19.Nd5 Bd7 20.Qd7 Kg6 21.Qe7 Rg8 22.Qf6 Kh5 23.Qf7 Rg6 24.Qh7 Rh6 25.Nf6 Kh4 26.Qh6# 1–0. Rosner,Dirk (1930) – Tortoza,Carlos, CiF, 2005.

4.Nf3 e6 5.Bb2 Nf6 6.c3 c6 7.Qb3 d5 8.d3 a5 9.ab5+= cb5 10.ba5 Ra5 11.d4 Ba6 12.Nfd2 Bd6 13.Ba3 Ba3 14.Na3+= Qb6 15.Rb1 0–0 16.c4 b4 17.Nc2 Nc6 18.c5 Qb7 19.Ba6 Ra6 20.Nb4+/– Nb4 21.Qb4 Qb4 22.Rb4 Ne4 23.Ne4 Ra1= 24.Kd2 Ra2?? 25.Kd3+– de4 26.Ke4 Rf2 27.Rc1 Ra2 28.c6 Rc8 29.c7 Raa8 30.Ke5 Ra5 31.Kd6 Raa8 32.Rcb1 Ra7 33.Rb7 (33...Ra6 34.R1b6+–) 1–0. Sebald,Ralph – Mueller,Marcus3, Ruhrgebiet–ch U17, 1998.

4.Nf3 e6+= 5.ab5 Bb4= 6.Bb2 Nf6 7.c4 c5 8.Be2= 0–0 9.0–0 d5 10.d3 Nbd7 11.Qb3 Qc7 12.Nbd2 e5 13.Rfd1 ab5 14.cb5 Ra1 15.Ba1 Ra8 16.Bb2 Bd2 17.Nd2= d4 18.Rc1 Bd5=+ 19.Nc4 Nb6 20.Ra1 Ra1=+ 21.Ba1 Bc4 22.dc4= Qa7 23.Bb2 Ne4 24.ed4 Qa5 25.Qe3 ed4 26.Bd4 cd4–/+ 27.Qd4 Na4?? 28.Bf1?? Nac5?? 29.Qe5?? g6 30.f3= Qb6 31.fe4+= Ne4 32.c5 Nc5 33.Qe3 Nd7 34.Kf2 Kf8 35.Be2 Qe3 36.Ke3 Ke7 37.Kd4 Kd6 38.h4 h6 39.Bf3 f5 40.Bc6 Nf6 41.Bf3 g5 42.b6 gh4+= 43.b7 Nd7= 44.Bd5 Nb8 45.Bf3 Nd7 46.Be2 Ke6 47.Bb5+/– Nb8 48.Kc5 f4 49.Bc6 Ke5 50.Bf3 Ke6 51.Kb6 Kd6 52.Ka7 Kc7 53.Bg4 Nc6 54.Ka8 Nb8 55.Bf5 Nc6 56.Bc8 Nb8 57.Bg4 Nc6 58.Bh5 Nb8 59.Bf3 Nd7+= 60.Be2 Nb6 61.Ka7+/– Nd7 62.Bf1 h3= 63.gh3 f3 64.Bb5 Nb8 65.h4 f2 66.h5 Nc6 67.Bc6 f1Q 68.b8Q Kc6 69.Qb6 Kd7 70.Qh6 Qa1 71.Qa6 Qa6= 72.Ka6 Ke7 73.h6 Kf7 ½–½. Durka,Jan (2185) – Sromovsky,Jozef (2075), Open Tatry, 2002.

4.Nf3 e6+= 5.c3 a5 +=.

3.Bb2

3.Bb2 (--> 2.Bb2 a6 3.e3).

3.Bb2 Bb7 (--> 2.Bb2 Bb7 3.e3 a6).

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

3.Nf3 e6

4.a4 c6 5.ab5 Bb4= 6.Bb2 f6 7.Nh4 a5?? 8.Qh5+– g6? 9.Ng6! hg6 10.Qh8 Kf8 11.Bd3 Qe7 12.Bg6 e5 13.Bh7 Qg7 14.Qg7 Kg7 15.Bg8 Kg8 16.bc6 Nc6 17.Ba3 d6 18.0–0 Kf7 19.f4 e4 20.d3 Bf5 21.d4 d5 22.Rc1 Rg8 23.c4 Ne7 24.Bb4 ab4 25.Ra7 Rg7 26.cd5 1–0. Khamatshin,Ilshat – Druzhinina,Natalia, RUS–ch U26 Ufa, 2004.

4.Bb2 Nf6 5.c4 Bb4 6.Be2 Bb7 7.0–0 0–0 8.cb5 ab5 9.Bb5 Ba6 10.Qb3?? Bb5–+ 11.Re1? c5 12.a3–/+ Ba4 13.Qc4 d5 14.Qf4 Ba5 15.Qa4=+ Nbd7 16.Qc2 Rb8 17.Nc3 Nb6 18.a4 Nc4=+ 19.Reb1 Rb7 20.Nb5= Ne4 21.d3+= Nb2 22.Rb2 Nd6 23.Qc5+/– Nb5 24.Rb5 Rb5 25.ab5+/– Qb6 26.d4 f6 27.Qc6 Qc6 28.bc6 Rc8? 29.Ra5 Rc6 30.Rc5 (30...Rb6 31.Rc8 Kf7 32.h4+–) 1–0. gtate (1800) – cress (1745), net–chess.com, 2002.

4.c3 a5 =.

2.e3 Bb7

3.Bb2 Nf6 (--> 1.b4 Nf6 2.Bb2 b5 3.e3 Bb7).

3.Nc3 a6 4.a4 c6 5.ab5 cb5 6.Bb2 Nf6 7.Nf3 e6 8.Na2 g6 9.g3 Bg7 10.Bg2 0–0 11.0–0 h5 12.Ne5 Bg2 13.Kg2 Ne4 14.d3 Nd6 15.Qf3 Ra7 16.Bd4 Rc7 17.Bb6 Be5 18.Bc7 Qc7 19.d4 Bg7 20.Rfc1 Nf5 21.c3 d5 22.Rc2 Nd7 23.Nc1 e5 24.Nd3 e4 25.Qf4 ed3 26.Qc7 dc2 27.Rc1 Nf6 28.Rc2 Ne4 29.Qb6 Ra8 30.Qb7 Rf8 31.Qa6 Bh6 32.Qb5 Ne7 33.Qd7 Nf5 34.Qd5 Ng5 35.b5 h4 36.g4 h3 37.Kh1 Ne7 38.Qb7 Re8 39.f4 Nf3 40.g5 Ng5 41.fg5 Bg5 42.c4 Be3 43.Re2 Nf5 44.Qc6 Re6 45.Qc8 Kg7 46.d5 Rf6 47.c5 Ng3 48.hg3 Rf1 49.Kh2 1–0. wk1234 – longyear, playok.com, 2012.

3.Nf3 e5 4.Bb5 e4 5.Nd4 a6 6.Be2 Bb4 7.Ba3 Ba3 8.Na3 Nf6 9.0–0 Nc6 10.Rb1 Rb8 11.Nc6 dc6 12.d4 ed3 13.Qd3 Qd3 14.cd3 c5? 15.Bf3+– c4 16.Nc4 Ke7 17.Bb7 Rhd8 18.d4 a5 19.Na5 Kd6 20.Nc6 Rb7 21.Nd8 (21...Rb1 22.Rb1+–) 1–0. Crafty 19.01 – Fritz 5.32, 2004.

3.Bb2 e6

(--> 2.Bb2 Bb7 3.e3 e6).

4.Nf3 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6).

3.Nf3 a6

4.a3 Nf6 5.Be2 e5 6.0–0 e4 7.Nd4 c5 8.Nf5 cb4 9.ab4 g6 10.Nd4 Bb4 11.f3 Qc7 12.fe4 Ne4 13.Bb2 Bd6 14.Nf3 0–0 15.d3 Nc5 16.e4 Bf4 17.Nc3 f5 18.Nd5 Bd5 19.ed5 Na4 20.Bd4 Nc3 21.Bc3 Qc3 22.d4 b4 23.Re1 g5 24.Rb1 g4 25.Rb3 gf3?? 26.Rc3+/– fe2 27.Qb1 bc3 28.Qb7 Be3 29.Kh1 Bd2?? 30.Re2+/– Nc6 31.dc6 Rab8 32.Re7 Rb7 33.cb7 d5 34.Rc7 Bf4 35.Rc3 Rb8 36.g3 Bd6 37.Rc6 Bf8 38.Rb6 a5 39.Kg2 a4 40.h4 a3 41.h5 Kf7 42.Kf3 a2 43.Ra6 Bd6 44.Ra2 Rb7 45.Ra6 Ke6 46.Ra1 Rc7 47.Rd1 Rc2 48.Rd3 Rh2 49.Re3 Kd7 50.Rb3 Rh5 51.Rb7 Ke6 52.Rg7 Rh6 (53.Rb7 Rh3–+) 0–1. EXchess 3.11 – Fritz 6, 2004.

4.a4 c6 5.a5 d5 6.d4 Nf6 7.Bd3 g6 8.c3 Bg7 9.Ne5 0–0 10.Qc2 Qe8 11.Na3 Nbd7 12.Bd2 Nh5 13.g4 Nhf6 14.g5 Ne4 15.h4 Be5 16.Be4 de4 17.Qe4? Bg7 18.0–0–0? f5 19.Qg2 Rb8 20.Rh3?! e5 21.d5? cd5 22.f3 f4 23.Nc2 fe3 24.Be3 e4 25.f4 Bc3 26.Bd4 Rc8 27.Bc3 Rf4 28.Qd2 Rf3 29.Qd4?? Ne5 30.Rf3+/– ef3 31.Qa7?? Rc3–+ 32.Qb7 Nd3 33.Kd2 Qe2 34.Kc3+= Qd1?? 35.Qd5+– Kf8 36.Qd8 ½–½. ifairclough – quikeagle, net–chess.com, 2001.

4.Bb2 (--> 2.Bb2 Bb7 3.e3 a6 4.Nf3).

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

4.c4 e6 5.Bb2 (--> 2.Bb2 Bb7 3.e3 a6 4.Nf3 e6 5.c4).

4.c4 e6 5.Bb2 Nf6 6.a3 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.c4).

3.Nf3 e6

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

4.Bb2 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6).

4.Bb5 a6 5.Be2 Bb4!? 6.0–0 Nc6 =.

3.Nf3 Nf6

4.Bb5 a6 5.Ba4 Nc6 6.a3 d5 7.0–0 e6 8.Ne5 Qd6 9.Bb2 Be7?? (9...a5 10.c4 d4 11.Bd4 ab4 12.ab4 Ra4 13.Qa4 Qb4 14.Qb4 Bb4 15.Nc3+–) 10.Nc6 (Better is 10.c4 dc4 11.Qf3+–) 10...Bc6+/– 11.Bc6 Qc6 12.Bf6 Bf6 13.c3 0–0 14.d4 Qd6 15.Nd2 e5 16.f4 ed4 17.cd4 Rfe8 18.Qe2?? (Better is 18.Qf3+=) 18...Bd4!–+ (19.Qd3 Ba1 20.Ra1 a5–+) 0–1. Anden – Lucretius, Live Game Caissa's Web, 2004.

4.Bb5 a6 5.Bc4 d5 6.Bb3 e6 7.0–0 Bb4= 8.a3 Ba5 9.Bb2 Nbd7 10.Nc3 0–0 11.Na4 c6 12.Ne5 Ne5 13.Be5 Re8 14.Nc5+= Ra7 15.c3 Bb6 16.Nb7 Rb7 17.Bc2 Ne4 18.d3+= Nd6 19.Qd2 f6= 20.Bg3 e5 21.Rab1 h6 22.Rb2?? Rb8?? 23.Rfb1+= Qc7 24.d4 Kh8?? 25.Bg6 Rf8 26.de5 Nc4+= 27.Qc2 Nb2?? 28.Rb2?? fe5–/+ 29.h3 Qe7–+ 30.Qd3 Qa3 31.Rb1 Bc7 32.Rb8 Rb8 33.Kh2 Qe7 34.Qa6 Qf6 35.Bc2 c5?? 36.Qd3= e4 37.Qd5 Bg3 38.Kg3 Rf8 39.Qe4 Qd6 40.f4 g6 41.Qg6?? Qg6 42.Bg6+– Rd8 43.Kf3 Rd1 44.Ke2 Rc1 45.h4 Rc3+/– 46.g4 Ra3 47.g5 hg5 48.hg5 c4 49.Bc2 Ra2 50.Kd2 Kg7 51.Kc3 Kf7 52.e4 Kg6 53.e5 Kg7 54.f5 Ra5 55.e6 Kf8 56.Kc4 Ra7 57.f6 Rc7 58.Kd3 Rc8 59.g6 Rd8 60.Ke4 Rc8 61.g7 Kg8 62.Bb3 Rb8 63.Bd5 Rb4 64.Ke5 Kh7 65.e7 Rb8 66.g8Q Rg8 67.Bg8 Kg8 68.Ke6 Kh7 69.f7 Kg6 70.f8Q Kg5 71.e8Q Kg4 72.Qg6 Kh4 73.Qfh6# 1–0. kostaspetidis (2105) – iboyd (1950), net–chess.com, 2006.

2.e3 d5

3.Bb5 Nd7 4.Bc6 Rb8 5.a3 Rb6 6.Bd5+– e6 7.Bb3 Ngf6 8.Bb2 Nd5 9.c4 N5f6 10.Nc3 c5 11.Na4 cb4? 12.Nb6 Qb6 13.Bd4 Qa5?! 14.ab4 Qb4 15.Ba7 Nc5 16.Bc5 Qc5 17.Nf3 Ng4 18.d4 Qc7 19.h3 Bb4 20.Ke2 Nf6 21.Qd3 0–0 22.Bc2 Bb7 23.Ng5 h6 24.Nf3 g6 25.Ra4 Be4 26.Qb3 Bc2 27.Qc2 Be7 28.Rha1 Kg7 29.Ra7 Qd8 30.Ne5 Qb6 31.Re7 h5 32.Raa7 Kh6 33.Nf7 Kg7 34.Ng5 Kh6+– 35.Ne6 Qc6 36.Nf8 Qd6 37.Qg6# 1–0. wlittle (2180) – danelson, net–chess.com, 2004.

3.Bb2 Bf5 4.Bb5+/– c6 5.Bd3 (5.Ba4 Qd6 6.a3 e5+/–) 5...Bc8 (5...Bd3 6.cd3 e6 7.Nf3+=) 6.Nf3 (6.a3 a5+/–) 6...f6 7.Nd4 Qd6 (7...Nh6 8.Nb3+/–) 8.Qh5 Kd8 9.b5 (9.a3 a5+/–) 9...c5 (9...e5 10.Ba3 c5 11.Nb3+/–) 10.Nf5 Bf5 11.Bf5 e5 (11...Nh6 12.Bh3+–) 12.0–0 (12.Qf7 Ne7+–) 12...Ne7+/– 13.f4?? (better is 13.Qf7+/–) 13...g6–/+ 14.Bg6 Ng6 15.Qf5 Nd7 16.c4 d4 17.fe5 fe5 18.Qe4 Rb8 19.ed4 ed4–+ 20.Na3 Bh6 21.Qc2 Rf8 22.Rf8 Qf8 23.Rf1 Qe7 24.Qa4 Nde5 25.Bc1? Nd3 26.Nc2 Nc1 27.Rc1 Bd2 28.Rb1 Rb6 29.Qb3 Be3 30.Kh1 Qe4 31.Re1 Nf4 32.Ne3 de3 33.Qb2 Qd4 34.Qa3 Qd2 35.Rg1 Nd3 36.h4 Nf2 37.Kh2 Qd6 38.g3 0–1. b4_player – opponent, internet, 2008.

3.Bb5 c6

4.Ba4 e5 5.Bb2 d4 6.Nf3 (6.ed4 ed4 7.Qf3+/–) 6...Qd5 (better is 6...de3!? 7.fe3 f6+/–) 7.Bb3+– Qd6 8.ed4 ed4 9.0–0 h5 (9...Qb4 10.Re1 Ne7 11.Bd4 f6+–) 10.Re1 Be7 11.Bd4 Nh6 (11...Qb4 12.Bg7 Rh7+–) 12.Bc5 Qf6 13.Be7 Qe7 (13...Qf5 14.Qe2 Be6 15.Nd4+–) 14.Re7 Ke7 15.Qe2 Kf6 (15...Kd8 16.Qe5 f6 17.Qd6 Bd7 18.Nd4+–) 16.Nc3 (16.Qe5!? Kg6 17.Qd6 f6 18.Nh4 Kh7 19.Qd3 Bf5 20.Nf5 Rf8 21.Nd4 f5+–) 16...Nf5 (16...Ng4 17.Re1 Be6 18.Be6+–) 17.Ne4 Kg6 18.Ne5 Kh7 19.Qh5 Kg8 (19...Nh6 20.Ng5 Kg8 21.Bf7 Nf7 22.Qf7) 20.Qf7 Kh7 21.Qg6# 1–0. Mar Ram – Zekiye Cebeci, internet, 2010.

4.Ba4 e5 5.Bb2 e4 6.Ne2 Bb4?? 7.Bg7+– Bg4 8.Bh8 Nd7 9.Bc6 Rb8 10.c3 Be2 11.Qe2 (11...Ne7 12.Bd7 Kd7 13.Bd4+–; 11.cb4 Bd1 12.Kd1 Qg5=+) 1–0. lokia – dcroll, net–chess.com, 2006.

4.Ba4 e5 5.Bb2 f6 6.a3 +/–.

4.Be2 +=.

3.Bb5 Bd7

4.Bd7 Qd7 5.Bb2 Qb5 (5...f6 6.Nc3 e5 7.a3+/–) 6.a3 Nf6 (6...a5 7.Nc3 Qb7 8.b5+/–) 7.Qe2 (7.Bf6 ef6 8.Nc3 Qb7+–) 7...Qe2+/– 8.Ne2 e6 (8...Nbd7 9.Nbc3+/–) 9.0–0 (9.Bf6 gf6 10.Nbc3 Rg8+/–) 9...Ne4 (9...Nbd7 10.Rc1+/–) 10.d3 Nd6 11.Nd2 Be7 (11...a5!?+/–) 12.Bg7+– Rg8 13.Bb2 Nc6 14.c4 dc4 15.Nc4 Nc4 16.dc4 0–0–0 17.Rad1 Rd1 18.Rd1 Ne5 19.Be5 f6 20.Bg3 e5 21.Nc3 h5 22.h4 f5 23.Nd5 Bf8 24.Be5 Rg4 25.Bg3 f4 26.ef4 a6 27.Nf6 Kb7 28.Ng4 hg4 29.f5 Be7 30.Rd7 Bf6 31.Rc7 Kb6 32.a4 White prepares the advance c5 32...Bc3 33.c5 1–0. Fournier,Frederic – FerRub2, Active, 2007.

4.Bd7 Nd7 5.Nf3 +=.

4.Bf1 e5 5.a3 Bd6 6.Nc3 Nf6 7.Bb2 0–0 8.Qe2 Bg4 9.f3+= Bh5 10.g4 Bg6+= 11.h4 h5 12.g5+/– Nfd7 13.Nd5 Bc2 14.d4 e4?? 15.Qc2+– ef3 16.Nf3 g6 17.e4 Bg3 18.Kd1 Bd6 19.e5 Be7 20.Nc7 Na6 21.Na8 Qa8 22.Qg2 Qd5 23.Ba6 Ne5 24.Rf1 Nf3 25.Rf3 Bd8 26.Bd3 Bb6 27.Bg6 fg6 28.Rf8 Kf8 1–0. dtcomplay – grandpa13, Live Game Caissa's Web, 2005.

2.e3 e5

2.e3 e5

3.a3 a6 4.Bb2 Nc6 5.Be2 =.

3.a3 d6 4.Nc3 Be7 (4...c6 5.a4 d5 6.ab5 Bb4 7.Bb2=) 5.Nf3 (5.Bb5 c6 6.Be2 Nf6+/–) 5...Be6 (better is 5...c6!?=) 6.Bb5+/– c6 7.Bd3 Nh6 8.0–0 0–0 9.h3 Nf5 10.Nh2 Nh4 11.g4 (11.f4 a5 12.Bb2 ab4 13.ab4 Ra1 14.Qa1 d5+/–) 11...Qc7 12.Nf3 Qd8 13.Kh2 d5 (13...Nf3 14.Qf3 d5 15.e4=) 14.Nh4 Bh4 15.Bb2 Qc7 16.f4 e4 17.Be2 f5 18.Kg2 Qf7 19.g5 Nd7 20.Kh1 Nb6 21.Rg1 Bf2 22.Rg2 Bh4 23.g6 hg6 24.Qg1 Kh7 25.d3 Rh8 26.d4 Qf6 27.a4 Nd7 28.Nd1 Nf8 29.Bc3 Kg8 30.Kh2 Kf7 31.Nf2 Ke8 32.b5 Bd7 33.Bb4 Bf2 34.Qf2+= Kd8 35.Qe1 Rc8 36.bc6 Bc6 37.Ba5 Ke8 38.Ba6 Rb8 39.Bc7 Rc8?? 40.Bc8+– Nd7 41.Bd7 Kd7 42.Be5 Qe7 43.Rg6 Rh7 44.Rg5 Qf7 45.Qg1 Ke8 46.Rg7 Qh5 47.Rh7 Qh7 48.Qg7 Qh4 49.Qg6 Kd8 50.Bf6 Qf6 51.Qf6 Kc7 52.a5 a6 53.Qf5 Bd7 54.Qd5 Bc6 55.Qc5 Kd7 56.Rg1 (56.Rg1 Kd8 57.Qd6 Kc8 58.Rg8 Be8 59.Re8 Kb7 60.Qd7) 1–0. Haroldlee123 – stefanW, ChessWorld.net, 2012.

3.a3 Nf6 4.Bb5 c6 5.Be2 d5 6.Bb2 Nbd7 7.Nf3 Bd6 8.0–0 h6 9.c4 e4 10.Nd4 0–0? (10...Qc7 11.f4+/–) 11.cd5 (better is 11.c5!? Bc7 12.Nc6+–) 11...cd5+/– 12.d3 Bb7 13.de4 Ne4 14.Nc3 (14.Nd2!?+–) 14...Nc3+/– 15.Bc3 Nf6 (15...Bh2!? 16.Kh2 Qc7 17.Kg1 Qc3+/–) 16.Nf3 Ne4 17.Bb2 f5 18.Qd4 Qf6 19.Qf6 Nf6 20.Bf6 Rf6 21.Rac1 Rc8 22.Rc8 Bc8 23.Rc1 Bb7 24.Nd4 Kh7? (24...f4!?+/–) 25.g3 (25.Bd3 g6+–) 25...Rf7 26.Bf3 g6 27.Nb5 Be5 (27...Bb8 28.Rd1+–) 28.Rd1 (28.Na7 g5+–) 28...d4 29.ed4?? Bf3–+ 30.Rd2 Bb8 31.d5 Rd7 32.h4 Rd5 33.Rd5 Bd5 34.Nc3 Bf3 35.a4 f4 36.Kh2 fg3 37.fg3 Bd6 38.b5 Kg7 39.a5 Bb4 (39...Bb4 40.Na4 Ba5–+) 0–1. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

3.Bb2 Nc6 4.Nf3 Bb7 5.Bb5 Qe7? (5...e4 6.Bc6 Bc6 7.Ne5+=) 6.a3 Nf6 7.0–0 g6? (Better is 7...e4!? 8.Nd4 Nd4 9.Bd4 a5+/–) 8.d3 Bg7 9.Nbd2 0–0 10.e4 d6 11.Nc4 Nd8 12.Ne3 Ne6 13.g3 Qd8 14.d4 (14.Bc4 c6+/–) 14...Ne4 15.d5 N6g5 16.c4?? (16.Ng5 Ng5 17.f4 a6+=) 16...a6 17.Bc6 Bc6 18.dc6 Qe8?? 19.Ng5+= Ng5 20.Qd5 Rb8 21.b5 a5 22.a4 h6 23.Rae1 Kh7 24.f4+/– Nh3? 25.Kg2+– Qc8 26.fe5 Ng5 27.Re2 Qh3 28.Kh1 Rbd8 29.b6 de5+= 30.Qc5?? Ne4–+ 31.Qf8 Ng3 32.Kg1 Ne2 33.Kf2 Qh2 34.Ke1 Rf8 35.Ng4 Qg3 36.Nf2 Qe3 37.b7 Ng3 38.Kd1–+ Nf1 39.Kc2 Qf2 40.Kb3 Qb6 41.Ka3 Qb4 42.Ka2 Qc4 43.Ka1 Qa4 44.Kb1 Qc6 45.Be5 Be5 46.b8R Rb8 47.Ka2 Qa4 0–1. willi_weizenkeim – janaj, HCL–C2127 playchess.de, 2003.

3.Bb5 c6!? 4.Be2 Bb4 =.

3.Bb5 f5 4.Bb2 Nf6 5.Be5 Ne4? (5...Bb4 6.Qf3 c6 7.Ba4+/–) 6.d3 (better is 6.Qh5 g6 7.Qf3+–) 6...Qh4?? (better is 6...Qe7 7.Bc3 Nc3 8.Nc3 Bb7+=) 7.de4+– Bb4 (7...Qe4 8.Nf3 c6 9.Bd3 Qb4 10.Nfd2+–) 8.c3 Ba5 (8...Qe7 9.Bc7 Bb7 10.Bf1+–) 9.ef5 c6 (9...Bb7 10.Bg7 Bg2 11.Bh8 Bh1 12.Qb3+–) 10.Be2 Rg8 11.Bf3 Ba6 12.Ne2 Be2 13.Qe2 Qa4 14.0–0 d5 15.e4 Nd7 16.ed5 cd5 17.Bd5 0–0–0 18.Qa6 1–0. nordlicht (2120) – harzer, Gameknot.com, 2006.

3.Nc3 a6 4.a3 =.

3.Nc3 Bb4 4.Bb5 c6 5.Bd3 Qa5 6.Bb2 Ne7 7.Nf3 Nd5? 8.Ne4?? 0–0 9.Be5 Re8 10.c3 Be7 11.h4 Ba3 12.h5 Bb2?? 13.Nd6 Rd8?? 14.Nc4 Qb5 15.a4 Qb7 16.Rb1 Nb4 17.Nb2 Nd3 18.Nd3 Qa6 19.Nc5 Qa5 20.Bd4 d6 21.Ne4 d5 22.Nc5 Qc7 23.Be5 Qa5 24.Nd3 Nd7 25.Nd4 Ne5 26.Ne5 Qc7 27.f4 Bd7 28.g4 c5 29.Nf5 Bf5 30.gf5 Qd7 1–0. ifairclough – quikeagle, net–chess.com, 2001.

3.Qf3 a6?? 4.Qa8+– Nc6 5.Bb2 Nf6 6.g3 Nd5+/– 7.Bb5 Nb6 8.Bc6+– Na8 9.Ba8 Bb4 10.Be5+– 0–0 11.Nf3 d6 12.Bc3 c5 13.Bd5 Bg4 14.Nh4 Qg5 15.Bb3 Bc3 16.Nc3 Rb8 17.h3 Bf5 18.Nf3 Qg6 19.Nd5 Kf8 (20.Nh4 Qg5 21.Nf5 Qf5+–; 19...Qe6 20.Ng5 Qe5 21.Nc3+–). AdamofOcala – duribe, internet, 2007.

3.Qf3 c6 4.Bb2 (4.a4 Na6 5.c3 ba4 6.Ra4 Nc7=) 4...f6 (4...Qe7 5.Nc3+=) 5.Bb5 cb5? (better is 5...d5 6.Be2 Nh6+=) 6.Qa8+– d5?? (6...Bd6 7.Nc3 Qb6+–) 7.Qb8 Bd6 8.Qb5 Bd7 9.Qd5 Ne7 10.Qd6 Nd5 11.Qd5 Rf8 12.Nf3 Rf7 13.Nc3 Re7 14.Qg8# 1–0. pierre – opponent, internet, 2008.

3.Qf3 Nc6 4.Bb5 Nf6 5.Nc3 Bb4 6.Bc6 dc6 7.Qc6 Bd7 8.Qc4 =.

3.Qh5 Qe7 4.Bb5 Bb7 5.Nf3 =.

3.Qh5 Qf6 4.Bb5 g6 5.Qf3 c6 6.Bc4 Qf3 7.Nf3 e4 8.Ng5 d5=+ 9.Be2 h6 10.Nh3 Bb4 11.c3 Bc5 12.d4 Bd6 13.0–0 Nf6 14.Ba3 Ba3 15.Na3 Bh3 16.gh3 0–0 17.f4 Nbd7 18.f5 g5 19.c4 g4?? 20.hg4+/– Nb6 21.h3 Na4 22.cd5 Nd5 23.Kf2 Ndc3 24.Bd1 Nb2+/– 25.Bb3 Nd3+= 26.Kg2 Ne2 27.d5 Rac8 28.dc6 Rc6 29.Nb5 Rb6 30.a4 Kg7? 31.f6 Rf6 32.Na7 Nef4?? 33.ef4+– Kg6 34.f5 Kg5 35.Nb5 Nc5 36.Bd5 Nd3 37.Be4 Nc5 38.Rfe1 Re8 39.Bc6 Re1 40.Re1 Na4 41.Nd4 Kf4 42.Ne2 Kg5+– 43.Kg3 (43...Rc6 44.h4 Kf6 45.Nf4 Rc3 46.Kf2 Rc2 47.Ke3+–; better is 43.Ba4 h5 44.Ng3+–) 1–0. madidog – crome, ChessWorld.net, 2005.

2.e3 e6

3.Bb2 Bb7 4.Nf3 Nf6 (--> 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6).

3.Bb2 Nc6 4.Bb5 Nb4 5.a3 Nd5 6.c4 Nb6 7.Qc2 (7.d3 a6 8.Ba4 Na4 9.Qa4 Rb8=) 7...a6–/+ 8.Ba4 Na4 9.Qa4 Bb7 10.Nf3 Nf6 (10...Rb8 11.Be5+=) 11.Nc3 Be7 12.Qd1 0–0 13.0–0 c5 14.d4 cd4 15.Nd4 d5 (15...Rc8!?–/+) 16.cd5= Nd5 17.Nd5 Bd5 (worse is 17...ed5 18.Rb1+=) 18.Qg4 Bf6 19.e4 (19.Rfd1 Qb6 20.Rd2 Rfd8=) 19...Bc4 (better is 19...Qb6 20.ed5 Qb2+=) 20.Nc6+/– Qc7?? (better is 20...Bb2 21.Nd8 Ba1 22.Ra1 Rfd8+/–) 21.Bf6 g6 22.Qg5 1–0. mikebaldini (1605) – wasapior, gameknot.com, 2015.

3.c3 c6 4.a4 a5 (better is 4...ba4 5.d4 d5+=) 5.Qg4?? (better is 5.ab5 Bb7 6.ba5 Ra5 7.Ra5 Qa5 8.bc6 Nc6 9.Nf3+/–) 5...Nf6 6.Qd4 (6.Qf3 Bb7 7.Bb2=+) 6...Be7?? (6...ab4 7.Bb2 c5 8.Qd3 ba4 9.Qc2–+) 7.Nf3 (7.ab5 Bb7+=) 7...0–0 (7...ab4 8.Bb2 c5 9.Qd3 ba4 10.cb4 cb4 11.Qc2–+) 8.Bd3?? (8.ab5 cb5 9.Bb5 Nc6 10.Bc6 dc6 11.Ra5 Ra5 12.Qd8 Bd8 13.ba5 Ba5+/–) 8...Na6?? 9.e4 ba4=+ 10.e5 c5 11.Qh4 h6 12.ef6 Bf6 13.Qe4 d5 14.Qh7# 1–0. Buresch,Rene – Bartels,Kathrin, remoteschach.de, 2002.

3.Qf3 c6 4.a4. aspasio – johnabc, net–chess.com, 2012.

3.Qf3 d5 4.Bb5 c6 5.Ba4 (5.Be2 Bb4 6.Ba3 Qb6 7.Bb4 Qb4 8.Nc3 Nh6 9.Rb1 Qe7 10.Nh3+=; 5.Bd3 Bb4 6.Bb2 Nf6 7.Bf6 Qf6 8.Qf6 gf6 9.a3 Bd6 10.Nc3+=; 5.Bf1 Bb4 6.Bb2 Nf6 7.Bf6 Qf6 8.Qf6 gf6 9.a3 Bd6 10.Nf3=) 5...Bb4 6.Bb2 Nf6 7.Ne2 Bd6 8.Nbc3 (8.c4 Bd7 9.Bb3 e5 10.cd5=) 8...0–0 9.g4 (9.d3 e5 10.h3+=) 9...e5 10.g5 (10.h3+=) 10...e4 11.Qg2 Ng4 12.Nd4 Ne5 (12...Qg5 13.h3+/– (worse is 13.Nc6 Nc6 14.Bc6 Rb8+=)) 13.Bb3 Be7 14.h4 Bg4 15.Ne4 de4 16.Qe4 Qd6 17.f4 Ned7 18.Qg2 Be6 19.Ne6 fe6 20.Qg4 Nc5 21.Bc4 Kh8 22.h5 Ne4 23.Bd3 Qb4+= 24.0–0–0 Nf2 25.Qe6 Nd3 26.cd3 Qd6? 27.Qe4 Kg8+= 28.h6 g6 29.Rdf1 Rf5 30.Kb1 Rb5 31.Qc4 Qd5 32.Qc3 Rb2? 33.Qb2+– Qb5 34.Rc1 Nd7 35.Qb5 cb5 36.Rc7 Rd8 37.Rhc1 Kf8 38.Ra7 Ke8 39.d4 b4 40.Rc6 Kf7 41.d5 Ke8 42.Re6 Kf7 43.d4 b3 44.a3 b2 45.e4 Kf8 46.d6 Bg5 47.fg5 Nb6 48.Rh7 Nc4 49.Rh8 (49.Rh8 Kf7 50.Rf6) 1–0. Steppuhn,T (2045) – Ostrochovsky,A (1945), 3rd Senica Open, 2011.

3.a3 a5

4.Bb5 Bb7 5.Nf3 ab4 6.0–0 Nf6 7.Bb2 Ra5 8.Be2 ba3 9.Na3 Be7 10.Qb1 0–0 11.c4 (11.Bf6 Bf3 12.Be7 Qe7 13.Bf3 Ra3+=) 11...Bc6 12.d4 d6 13.Qe1 Ra7 14.Qd2 Qd7 (14...Ne4 15.Qd3=) 15.Nb5 +=.

4.Nf3 Nf6 5.Bb2 c6 6.c3 d6 7.a4 ab4 8.cb4 d5 (8...Ra4 9.Ra4 ba4 10.Qa4=) 9.Qb3 Qd6 (9...ba4 10.Ra4 Ra4 11.Qa4=) 10.Bf6 (10.ab5 Ra1 11.Ba1 Qb4 12.Qb4 Bb4 13.Be5+/–) 10...gf6=+ 11.Qc3 d4 12.Nd4 ba4 13.Bb5 Bb7 14.Ba4 Qb4 15.Nc2 Qg4 (15...Ra4?? 16.Nb4 Ra1 17.Qa1+–) 16.Qb2 Ba6 (16...Ra4 17.Qb7 Nd7 18.Qc8 Ke7 19.Ra4 (19.Qc6 Rc4 20.Qb7 Rc2–+) 19...Qa4 20.Nd4+=; 16...Qg2 17.Qb7 Qh1 18.Ke2+–) 17.Nc3 Qg2 18.0–0–0 Nd7 (18...Qf2 19.Ne4 Qe2 20.Nf6 Ke7 21.Nd5 cd5 22.Qb4 Kd8 23.Qa5 Kc8 24.Qc3 Qc4 25.Qh8=+) 19.Rdg1 Qf3 20.Nd4 Qf2 21.Bc6 Rd8 22.Ne4 Qg1?? (22...Qh4 23.Kd1 Bd3=+) 23.Rg1 +–.

3.Bb5 Bb4

4.Bb2 Nf6 5.Qf3 c6 6.Bd3 0–0 (6...d5 7.Qg3 0–0 8.Bh7 Kh7 9.Qh4 Kg8 10.Qb4+=) 7.Nh3 Re8 (7...d5 8.Bf6 Qf6 9.Qf6 gf6 10.a3=) 8.Ng5+= h6 9.h4 (9.Bf6 Qf6 (< 9...gf6 10.Ne6 fe6 11.Qg4 Kh8 12.Qb4+/–) 10.Qf6 gf6=) 9...Qe7 (9...d5 10.Bf6 Qf6 11.Qf6 gf6 12.a3=+) 10.g4 (10.Bf6 Qf6 11.Qf6 gf6=) 10...e5 11.Ne4 Nh7 (11...d5!? 12.Nf6 Qf6 13.Qf6 gf6=) 12.c3+= d5 13.g5?? (13.cb4 Qb4 14.Bc3 de4 15.Be4 Qe7+=) 13...de4 (13...Ba5 14.g6 A) 14...de4?! 15.gh7 Kh7 16.Be4 Kg8 17.Qh5= (17.Bc6? Nc6 18.Qc6 Bb7–+); B) 14...fg6–+) 14.Qe4+/– Nf6?? (better is 14...f5 15.Qb4 hg5 16.Bc4 Be6+=) 15.gf6+– (15.Qb4?! Qd7 16.Bc4 Nd5+=) 15...Qf6 16.cb4 (< 16.Qb4 Nd7+–) 16...a5 (16...Nd7 17.Qh7 Kf8 18.f4+–) 17.b5 g6 18.Rg1 h5 19.Rg5 Nd7 20.Bc4 Kg7 21.bc6 Nc5 22.Qe5! Re5 23.Be5 Bf5 24.Bf6 Kf6 25.Nc3 Bd3 26.Rc5 Rd8 27.Bd3 Rd3 28.c7 a4 29.c8Q Kg7 30.Rc6 Rd2 31.Kd2 a3 32.Rb1 g5 33.Rb8 f6 34.Qg8 Kh6 35.Rf6# (35.hg5#) 1–0. Diener,Rudolf – Roever, corr SOK–91–74, 1991.

4.Qg4 Qf6 5.c3 Bb7? (5...c5 6.Qe4 Nc6 7.Bc6+– (7.cb4?! Qa1 8.Bc6 Rb8+=)) 6.f3?? (6.Qb4 Bg2 7.Ba3–/+) 6...Be7= 7.Ne2 Nh6 8.Qf4 Qg6 9.Qg3 Qh5 10.Nf4 ½–½. Lammi,Jyri – Kiltti,Jyrki (2210), Tampere We HervS op, 2002.

2.e3 Nf6

3.Bb5 a6 4.Bc4 e6 5.a3 Be7 6.Nf3 0–0 7.0–0 d5 8.Bb3 c5 9.bc5 Bc5 10.c4 Bb7 11.d4 Be7 12.c5 Nc6 13.Bd2 h6 14.Bc2 Rb8 15.Nc3 Qc7 16.Ne2 e5 17.Bc3 e4 18.Nd2 Ng4 19.Ng3 Bc8 20.h3 (better is 20.Qe2+/–) 20...Nf2+= 21.Rf2 (worse is 21.Kf2 Bh4 22.Qe2 Qg3 (22...Bg3?! 23.Kg1=) 23.Kg1 Bh3 24.Ne4 de4–/+) 21...Qg3 22.Nf1 Qg6 23.Rf3 Bf5 24.Qe2?? (better is 24.Rg3 Qe6 25.Qe2–/+) 24...ef3–+ 25.Qf3 Bc2 26.Qd5 Be4 27.Qa2 Bd5! 28.Qe2 (28.Qd5 Qc2 Combination) 28...Bg5 29.Nd2 (29.Rc1 Rfe8 30.Qf2 Re3 31.Qe3 Be3 32.Ne3 Qe4 33.Nd5 Qd5–+) 29...Rfe8 (better is 29...Be3!? 30.Kh2 Nd4 31.Bd4 Bd4 32.Rd1–+) 30.e4 Be4 31.Ne4 Re4 32.Qa6 Nd4 (32...Nd4 33.Qg6 Be3 34.Kh2 fg6–+) 0–1. combijack (1820) – cougarbait (1655), gameknot.com, 2011.

3.Bb5 e5!? +=.

3.Bb5 g6 4.Bb2–/+ Bg7 5.Nf3 0–0 6.Ba4 d6 7.c4 Nbd7 8.Nc3 Rb8 9.a3 c5 10.b5 Nb6 11.Bb3 d5 12.Ne5 Bb7 13.0–0 dc4 14.Nc4 Nfd5 15.Qc2 Qd7 16.Nb6 ab6 17.Nd5–/+ Bd5 18.Bd5 Qd5 19.Bg7 Kg7 20.Qb2 Kg8 21.d4 c4 22.Rfc1–/+ Ra8 23.Qb4 Rfc8 24.Rc3 e5 25.de5 Rc5 26.e6 fe6+= 27.Rac1 Rac8 28.a4 Kf7 29.Qb2 Ra8 30.Qc2+– Rac8 31.Rd1 Qb7 32.Rd4 Qa8 33.Rdc4 Rc4 34.Rc4 Qa5 35.g3 Rd8? 36.Rc7 Kf6 37.Qb2 Kg5 38.Qe5 Kg4 39.Qf4 1–0. Otte,Marco – van den Berg,Jelle, Wag.Intcomp Wageningen, 2001.

3.Bb5 e6

4.a3 Bb7 5.Nf3 a6 (5...a5 6.ba5 Ra5 7.Be2+/–) 6.Be2 c5 7.c3 cb4 8.ab4 Be7 9.0–0 0–0 10.d4 d5 11.Nbd2 Nbd7 12.Nb3 Nb6 (12...Qc7 13.Qd3+/–) 13.Nc5 Bc5 14.dc5 Nc4 15.Nd4 (15.Bc4 dc4 16.Qd8 Rfd8+–) 15...Qc7 16.Qb3 Ne5 (16...e5 17.Nf5+/– (worse is 17.Bc4 dc4 18.Qc4 ed4 19.ed4 Rfe8+=)) 17.Nf3 (17.Ra5 Rfc8+/–) 17...Nf3 18.Bf3 e5 19.Bb2 e4 20.Be2+– Nd7 21.Rfd1 Rfd8 22.c4+– dc4 23.Qc3 f6 24.Bc4 Kf8 25.Rd4 Ne5 26.Rad1 Nc4 27.Qc4 Rd4 28.Qd4 Rc8 29.Qd7 Bc6 30.Qc7 Rc7+/– 31.Rd6 Ke7 32.Kf1 Bb5 33.Ke1 Rd7 34.Rb6 Bd3 35.Bd4 Rc7 36.Kd2 Kd7 37.Kc3 Rc6 38.Rb7 Rc7 39.Rb8 Rc8 40.Rb6 Rc6 41.Rb7 Rc7 42.Rb6 Rc6= ½–½. espanyol37 (2155) – Fournier,Frederic (1955), Echecs21, 2003.

4.c3 Bb7 5.Bf1 c5 6.b5 (6.bc5 Bc5 7.Nf3 0–0+=) 6...d5 7.a4 Bd6 8.Bb2 0–0 9.c4 dc4 10.Qc2 (10.Na3 c3 11.dc3 Qc7=) 10...Nbd7 11.Qc4 Nb6 (11...e5 12.Nc3=) 12.Qc2 (12.Qh4 Be7+=) 12...a6 (12...Nbd5 13.Nf3=) 13.Nc3 ab5 (13...c4 14.Nf3+=) 14.Nb5 (14.ab5?! Ra1 15.Ba1 Qa8+=) 14...Be7 15.d4 (15.Nf3 Nfd5 16.Bd3 Nb4 17.Bh7 Kh8=) 15...cd4 16.Bd4 Bb4 17.Nc3 (17.Bc3 Nbd5 18.Bb4 Nb4+=) 17...Qc7 18.Nge2 Nfd5 19.Rc1?? (better is 19.Qb3+=) 19...Na4–+ 20.Kd1 Nac3 21.Nc3 Nc3 22.Bc3 Bc3 23.Qc3 Qc3 24.Rc3 Ra1 25.Kd2 Rd8 26.Kc2 Be4 27.Kb2 Rb1 28.Ka2 Ra8 29.Ra3 Ra3 30.Ka3 Bd3!! 31.Bd3 Rh1 32.h3 Rf1?? 33.f4 Rf2 34.g4 Rf3 35.Kb4 Re3 36.Bc4 Rh3 37.f5 ef5 38.gf5 Rf3 39.f6 Rf6 40.Kc3 h5 41.Bd5 g5 42.Kd3 g4 43.Ke3 g3 44.Bg2 h4 45.Ke4 Rf2 46.Bh3 g2 47.Bg2 Rg2 48.Kf3 Rg7 (48...Rg7 49.Kf4 h3 50.Ke4 h2 51.Ke3 h1Q 52.Kd4 Qh4 53.Kc5 Rg5 54.Kd6 Qc4 55.Kd7 Kf8 56.Kd6 Rd5) 0–1. siy (2065) – Fournier,Frederic (1965), Active (5/0), 2004.

2.e4 a5

3.a4 e5 =.

3.ba5 c6 4.d4 =.

3.Bb5 c6 4.Bc4 ab4 5.a3 +=.

3.ba5 Ra5

4.Nf3 Nc6 5.Na3 Ba6 6.c4 bc4 7.Nc4 Bc4 8.Bc4 Nf6 9.d3 e6 10.0–0 Bd6 11.a4 0–0 12.Bb5 Nb4 13.Bd2 (13.e5 c6 14.ed6 cb5+/–) 13...Be7 14.Qb1 c5 15.d4 d6 16.e5 de5? (better is 16...Nfd5!?+/–) 17.dc5+– (17.de5?! Nfd5+=) 17...Nbd5 18.Ba5 Qa5 19.Ne5 Bc5 20.Nc6 Qc7 21.Qd3 Ng4 22.Qg3 Qg3 23.hg3 Ndf6 24.Rac1 Ne4 25.Rc5! Nc5 26.Rc1 Nb7 27.a5 Na5 28.Na5+– g6 29.Nc6 Ra8 30.Be2 Nf6 31.f4 Kg7 32.Ne5 Ra7 33.Bf3 h5 34.Kf2 Nd7 35.Nd7 Rd7 36.g4 hg4 37.Bg4 Rd5 38.Rc7 Kf6 39.Ke3 g5 40.g3 gf4 41.gf4 Ra5 42.Be2 Rd5 43.Bd3 Rh5 44.Ke4 Ra5 45.Rb7 Rc5 ½–½. Korinek,Jaroslav (1795) – Draba,Henryk (1605), RC–2011–0–00082, 2011.

3.Bb5 ab4

4.a3 c6 5.Bc4 d5 6.ed5 e6 7.de6 Be6 8.Be6 fe6 9.Nf3 Nf6 10.Qe2 Qd7 11.Ng5 Ke7 12.Bb2 Nd5 13.Qh5 c5 14.f4 Nc6 15.Qf7 Kd6 16.ab4 Ra1 17.bc5 Kc7 18.Ne6 Kc8 19.Qd7 Kd7 20.Nf8 Rf8 21.Ba1 Rf4 22.Rf1 Rf1 23.Kf1 Ncb4 24.Bg7 Nc2 25.Ke2 Nf4 26.Kd1 Na3 27.Na3 Ng2 28.d4 Kc6 29.Kd2 Nf4 30.Nc2 Ne6 31.Bf6 h5 32.Nb4 Kb5 33.Kc3 Nf4 34.c6 Ne6 35.Bd8 Nd8 36.c7 Nc6 1–0. marekt – NN, GameColony.com, 2002.

4.a3 Nf6 5.e5 Ra5 =.

4.Nf3 Ba6 5.Be2 Nc6 6.c3 bc3 7.Nc3 e5 8.0–0 f6 9.Bb2 Nb4 10.Ba6+/– Ra6 11.a3 Nd3+= 12.Qe2 Nc5 13.Nd5 c6 14.Nb4 Ra8 15.Qe3 Na4+= 16.Bc3 Nc3 17.Qc3 Bd6 18.d4+/– ed4 19.Nd4 Be5 20.f4+= Bd6 21.Nbc6?? dc6= 22.Qc6 Kf7 23.Qd5 Ke7?? 24.Nf5 Kf8 25.Nd6 Nh6 26.Qc5 Qe7 27.Qd5?? Rd8?? 28.Rad1 Ng4 29.Rf3 h5 30.e5 f5 31.Qb3 g6? 32.Rfd3 Qa7 33.Rd4 Rh7 34.h3 Nh6 35.Qb4 Kg8 36.Kh1 Ng4 37.hg4 hg4 38.Kg1 Rhd7 39.Kh2 Rh7 40.Kg3 Qa8 41.Qc4 Kf8 42.Qc5 Kg8 43.e6 Ra7 44.R1d3 Re7 45.Nf7 Rf7 46.Rd8 (46...Qd8 47.Rd8 Kh7 48.ef7 g5 49.Qf5 Kh6 50.f8Q Kh5 51.Qg5#) 1–0. icewater – JoeJoe, Caissa.com, 2004.

4.Nf3 Nf6 5.e5 c6 6.Be2 =.

2.e4 a6

3.a4 ba4 4.c4 (4.Ra4 e6+=) 4...d6 (4...Nc6 5.Ra4 e5 6.Ba3=) 5.Ra4 g6 6.e5 (6.d4!?+=) 6...Bg7 7.Qf3 Be5?? (7...Nc6=) 8.c5 (better is 8.Qa8 Bf5 9.Nc3+–) 8...c6–/+ 9.b5 cb5?? (better is 9...dc5 10.ba6 Qb6–/+) 10.Bb5 (10.Qa8!? ba4 11.Qb8+/–) 10…ab5= (10...ab5 11.Ra8 Qc7=). georginoh (1715) – johnwinston (2215), net–chess.com, 2013.

3.a4 c6 4.ab5 cb5 5.Bb5 e5 (5...Bb7 6.Ba4+/–) 6.Bc4 (6.Nf3+–) 6...Qf6? (6...Nf6 7.c3 Bb7 8.d3+/–) 7.b5 (better is 7.Nc3!? Bb7 8.Nf3 Bb4+–) 7...Bc5 8.Qf3 Bb7 9.Qf6 (better is 9.Nc3!? ab5 10.Ra8 Ba8 11.Nb5+/–) 9...Nf6+= 10.d3 0–0 11.ba6 (11.Nc3+=) 11...Ba6 (better is 11...Na6!? 12.Nf3 Nb4 13.Ra8 Ra8+=) 12.Bg5 (12.Nf3 Ra7 13.Nbd2 d6+/–) 12...Ne8 (12...Ng4 13.Bh4 Ba7 14.Bd5+/– (14.Ra6?! Na6 15.h3 Nf6+=)) 13.Nf3 d6?? (better is 13...Nc7+/–) 14.Be7+– Ra7 (14...Nc7 15.Bf8 Kf8 16.Nbd2+–) 15.Bf8 Kf8 16.Ng5 (16.Nbd2!? Ke7+–) 16...Nf6 17.Nd2 Bd4 18.Rb1 (18.Ra2!? Bc5+–) 18...Nc6 19.Ba6 Ra6 20.0–0 Kg8 21.Rb7 Ra7 (21...h6 22.Ngf3+– (22.Nf7?! Na5 23.Rc7 Bb6 24.Nh6 gh6 25.Rc8 Kg7+–)) 22.Ra7 Na7 (22...Ba7 23.Ra1 Nd7 24.Nc4+–) 23.Rb1 Nc6 24.Rb7 h6 25.Nf7 (better is 25.Ngf3 Ne8 26.Nc4+–) 25...Ne8 (25...Na5 26.Rb5 Kf7 27.Ra5 Ng4+–) 26.Nc4 Bc5 27.c3 Kh7 28.Nfd6! Nd6 (28...Bd6 29.Rb6 Decoy; 28...Nd6 29.Nd6 Combination) 29.Nd6 Nd8 (29...Bd6 30.Rb6+–) 30.Rd7 Nc6 31.Nb7 (31.Nc4 Bf8+–) 31...Ba3 32.d4 ed4 33.cd4 1–0. philipswinner – 2pieR, ChessWorld.net, 2016.

3.Bb2 (--> 2.Bb2 a6 3.e4).

3.Nc3 e5 4.d4 (better is 4.a3!?=) 4...Bb4 5.Bd2 (5.Nge2!?–/+) 5...ed4–+ 6.Nd5 Bd2 7.Qd2 c5 (7...c6 8.Nf4 c5 9.Bd3–+) 8.Nf3 (8.Qf4 d6 9.Qg3 Kf8–/+) 8...Nf6 (8...Bb7 9.Qf4 Bd5 10.ed5–+) 9.Be2 (better is 9.Qg5!? Nd5 10.Qd5–/+) 9...Nd5–+ (9...Ne4 10.Qf4 0–0 11.Qe4+=) 10.ed5 0–0 11.0–0 d6 12.c3 dc3 13.Qc3 f6 14.Qc2 c4 15.Nd4 Qb6 16.Rad1 Ra7 17.Rfe1 Raf7 18.Ne6 Be6 19.de6 Re7 20.Bh5 Qc5 21.Bf7 Kh8 22.Re3 Nc6?? 23.Rh3 h6–+ 24.Qg6 Qg5 25.Qe4 Nd8 26.Bg6?? Re6 27.Qc2 Nc6 28.Bf5 Re5 29.Rf3 Nd4! 30.Qd2 Qd2 (31.Rf1 Nf3 32.gf3 Rf5–+) 0–1. dugmak – erch, ChessWorld.net, 2005.

3.Nc3 e6 4.d3 (4.a3 d5=) 4...h6 (4...Bb4 5.Nge2–/+) 5.Be2 (5.a3 d5=) 5...Bb7 (5...Bb4 6.Bb2–/+) 6.Nf3 (6.Rb1 Nc6 7.a3 Nf6=) 6...Nc6 (6...Bb4 7.Bb2=+) 7.0–0 (7.a3 Be7+=) 7...Be7 (better is 7...Bb4!? 8.Bb2 Nf6=+) 8.a3+= Nf6 9.e5 Nd5 (9...Nh7 10.d4+=) 10.Nd5 ed5 11.Bd2 (11.c4 d6 12.cb5 Ne5 13.ba6 Ba6+=) 11...Bg5 (11...d4 12.c3 dc3 13.Bc3+=) 12.Bg5 (better is 12.d4!?+/–) 12...hg5= 13.Qd2 (13.h3=) 13...f6?? (better is 13...g4 14.Ng5 f6–/+ (14...Ne5?! 15.d4=)) 14.ef6+= Qf6 15.Ng5 Nd4 16.Bg4 0–0–0 17.Nh3 (17.a4 Rde8+/–) 17...Rde8 18.Rab1 (18.a4 Qg6 19.f3 Re2+/–) 18...Re7 (18...Qg6 19.Qd1 Rh4–+) 19.c3 Ne6 20.Be6 Re6 21.Nf4 (21.Rfe1 Qg6 22.Ng5 Qh6+/–) 21...Ree8 (21...Qh6 22.h3=) 22.d4 Re4 23.g3 g5 24.f3 gf4? 25.fe4+– f3 26.e5 Qf5 27.Rbe1 Re8 28.Qe3 Rf8 29.Rf2 Qe4 30.Rf3 Rf3=+ 31.Qc1 Qd3 32.Qg5? c6–+ 33.Qg8 Kc7 34.e6?! Qc3 35.Qg7 Qe1 36.Kg2 Rf2 37.Kh3–+ Qe6 38.g4 Qe3 39.Kh4 Rh2# 0–1. sburritt – valerypavlovich (2120), net–chess.com, 2006.

3.c4 d6 4.Bb2 (4.cb5 ab5 5.Bb5 c6+/–) 4...Nh6 (4...Nf6 5.Nc3+=) 5.Be2 (5.cb5 ab5 6.Bb5 c6+/–) 5...e5 (5...c6 6.Nf3+=) 6.h3 (6.cb5!? ab5 7.Bb5 c6 8.Bf1+=) 6...bc4 7.Bc4 Qg5 (7...Nd7 8.Nc3=) 8.Qf3 Kd8 (8...Nd7 9.Nc3=) 9.Bc3 (9.Nc3 Nc6 10.Nd5 Rb8+=) 9...Nc6 10.h4 (10.Ne2 Be7+=) 10...Qf6 (10...Qe7 11.Qd3=) 11.a3 (11.Qf6 gf6 12.Bd5 Bd7+=) 11...Bg4 (11...Be7!?=) 12.Qf6+/– gf6 13.f3 (better is 13.Bd5 Bd7 14.Nf3+/–) 13...Ne7?? (better is 13...Be6 14.Ba6 Ra6+=) 14.fg4+– Ng4 (14...Rg8 15.g5! fg5 16.Nf3 gh4 17.Nh4+–) 15.Bf7 c6 (15...f5 16.Be6 Bg7 17.ef5+– (17.Bf5?! Nf5 18.ef5 Rf8+–)) 16.Nf3 (16.Be6 h5+–) 16...a5 (16...d5 17.Be6 h5 18.d3+–) 17.h5 (17.Be6 h5+–) 17...ab4 18.Bb4 c5 19.Bc3 c4 20.Be6 Nc6 21.Bg4 Bh6 22.Be6 Re8 23.Bc4 Rb8 24.Ke2 Rg8 25.Bg8 Kc7 26.Bd5 Ne7 27.Be6 Ra8 28.a4 Nc6 29.Bd5 Rf8 30.a5 f5 31.d3 fe4 32.de4 Bg7 33.Nbd2 Bh6 34.Rhb1 Bf4 35.a6 Rg8 36.Bg8 h6 37.Bd5 Nd8 38.a7 Bd2 39.Bd2 (39...Kd7 40.a8Q Ne6 41.Ra7 Nc7 42.Rc7 Kc7 43.Rb7#; 39.a8Q Kd7 40.Ra7 Ke8 41.Bc6 Kf8 42.Qd8#) 1–0. midlander (1775) – clemyp, net–chess.com, 2003.

3.c4 e5 4.Bb2 Nc6 5.c5 (better is 5.cb5!? ab5 6.Nf3 Bb4 7.Bb5+=) 5...Nf6=+ 6.Qc2 (better is 6.a3!?=+) 6...Nb4–+ 7.Qc3 Nc6 8.d3 Nd4 (8...d5 9.cd6 Qd7 10.Nd2 Bd6 11.Ngf3–+) 9.Ne2–/+ Ne2 (9...Ne6!? 10.Qe5 Bc5–/+) 10.Qe5=+ Be7 (10...Qe7!? 11.Be2 Qe5 12.Be5 Bc5–/+) 11.Be2= 0–0 12.0–0 d6 13.Qg3 (13.cd6 Bd6 14.Qg5 h6=) 13...Be6 (better is 13...dc5!? 14.Nd2 Re8–/+) 14.c6= Qc8 15.Nd2 Qe8 16.Rfc1 Qc8 (16...Qd8 17.Nb3+=) 17.h3 h6 (17...Qd8 18.Nb3+=) 18.e5 de5 19.Be5 Kh8 (19...Ne8 20.Re1+=) 20.Ne4 (20.Bc7 Nd5 21.Be5 f6+/–) 20...Rg8 (20...Ne8!?+=) 21.Bc7+/– Ra7 (21...Ne4 22.de4 Bf6 23.Be5+/–) 22.Bb6 Ra8 23.c7 (23.Bd4 Nd5+–) 23...Ne4 24.de4 Qb7 25.Qe3 (25.Ba5!?+/–) 25...Rgc8 (25...Bg5!? 26.f4 Bf4 27.Qf4 Qb6 28.Qf2 Qd6+=) 26.Bf3 (26...a5 27.e5+–) 1–0. Ritschel,Stephan – Neffgen,Dieter, RSX9E – A00 – Sokolsky–1, 2002.

3.d4 Bb7 4.d5 e6 5.a3 ed5 6.ed5 Qf6 7.c3 Qe5 8.Qe2 Qe2 9.Be2 Bd5 10.Bf3 Bf3 11.Nf3 Nc6 12.0–0 h6 (12...a5 13.Ra2–/+) 13.Re1 Be7 14.Bf4 d6 15.Nd4 Nd4 16.cd4 Nf6 17.Nc3 Kd7 18.Rac1 Rhe8 19.d5 Bf8 20.h3 Re1 21.Re1 Re8 22.Re8 Ke8 23.Kf1 g5 24.Bd2 Bg7 25.Ke2 Kd7 26.Kd3 c6 27.dc6 Kc6 28.Bc1 Nd5 29.Nd5 Kd5 30.f3 f5 31.g4 fg4 (31...f4!? 32.Bd2–+) 32.fg4 Be5 0–1. zucchini – Duke of Wellington, ChessWorld.net, 2015.

3.Nf3 Bb7 4.Nc3 d6 5.Bb2 e5 6.d4 ed4 7.Nd4 Nf6 8.Bd3 Be7 (8...c5!? 9.Nf5 cb4=) 9.0–0 0–0 10.Re1 Nc6 11.Nc6 Bc6 12.a3 Nd7 13.Ne2 Bf6 14.Nd4 Bb7 15.c3 Ne5 16.f3 Nd3 17.Qd3 Qd7 18.Re2 Rfe8 19.f4 (19.Rae1 Be5=) 19...Rad8 20.Rae1 c5 21.Nf3 c4 22.Qc2 Qc7 23.Re3 Qb6 24.Kh1 g6 0–1. nxito – nimzo1, ChessWorld.net, 2013.

3.c4 bc4

4.Bc4 Bb7 5.Nc3 e6 6.b5 ab5 7.Bb5 Be7 8.Nf3 Nf6 9.d3 Nc6 10.0–0 0–0 11.a4 d5 12.e5 Nd7 13.d4 Na5 14.Rb1 Ba6 15.Qc2 c5 16.Be3 cd4 17.Bd4 Nc4 18.Bc4 Bc4 19.Nd2? (better is 19.Rfc1=) 19...Bf1–+ 20.Kf1 Bc5 21.Qd3 (21.Bc5 Nc5 22.Nf3 Qc8–+) 21...Bd4 (21...Qh4!? 22.Bc5 Nc5 23.Qe3 Na4 24.Nf3–+) 22.Qd4 Qc7 23.f4 Rfc8 24.Nb5 Qc5 25.Qa1? Nb6 26.Nd6 Rc7 27.Nb3 Qc3 28.a5? Qa1 29.Ra1 Nc4 30.a6 Nd6 31.ed6 Rc6 32.d7 Kf8 33.Ra5–/+ Ke7 34.Nc5 Rc5! 35.Rc5 Ra6 36.Rc7 Kd8 37.Rc8 Kd7 38.Rh8 h6 39.Rh7 Ke7 40.Rg7 Kf6 41.Rg3 Ra4 42.Rf3 h5 43.g3 Kf5 44.Re3 f6 45.h3 e5 46.fe5 fe5 47.Kf2 e4 48.Rb3 Ra5 49.Ke3 Ke5 50.g4?! d4 51.Ke2 hg4 52.hg4 Kf4 53.Rb4 d3 54.Kd1 Ra2 55.g5 Kf3 56.g6 e3 (56...e3 57.Kc1 Rc2 58.Kb1 e2 59.Rb2 e1Q 60.Ka2 Qa5 61.Kb1 Rc1 62.Kc1 Qe1) 0–1. Snicks – retiponziani, ChessWorld.net, 2012.

4.Bc4 c6 5.Qf3 (5.Nc3!? e6 6.Nf3+=) 5...e6= 6.Nh3 Bb4 (6...d5 7.Be2=) 7.a3 (better is 7.Bb2!? Nf6 8.e5+=) 7...Bc5+= 8.0–0 Nf6 9.e5 (9.Bb2 d5 10.Bd3+=) 9...Nd5 (9...Bd4 10.Ra2 Be5 11.Re1–/+) 10.d3 (better is 10.Nc3+=) 10...Bd4–/+ 11.Ra2 0–0 (11...Be5 12.Bb2 d6 13.Nd2–/+) 12.Bd5? (better is 12.Ng5!? Qb6 13.Qh5=) 12...cd5–/+ 13.Qg3 g6 (13...Nc6 14.Bb2–+) 14.Bh6 (14.Nd2 f6 15.Nf3 fe5 16.Nd4 ed4+=) 14...Re8 (14...Nc6 15.Re1 Re8 16.Ng5–/+) 15.Kh1? (better is 15.Nd2!? Nc6 16.Nf3+=) 15...Nc6–+ 16.Nd2 (16.f4–+) 16...Be5 (worse is 16...Ne5 17.Nb3 Nc6 18.Nd4 Nd4 19.Qe5–/+) 17.f4 Bf6 18.Rc2?? (18.Bg5 Rb8–+) 18...Rb8 (better is 18...Nd4 19.f5 Nc2 20.fg6 fg6–+) 19.Nf3 (19.f5 Bb7 20.fg6 fg6 21.Bg5 Bg5 22.Ng5–+) 19...Rb3 20.a4 (20.Bg5 Be7 (worse is 20...Rd3 21.Qh4 Bg5 22.Nhg5–+) 21.Be7 Qe7–+) 20...Nb4 21.Rd2 Nd3 22.Bg5 Bg5 23.fg5 d6?? (better is 23...Qb6–+) 24.Nd4= Ra3 25.Rd3 Rd3 26.Qd3 e5 27.Nc6 Qd7 (27...Qc7 28.Nb4 Qc4 29.Qc4 dc4=) 28.Nb8?? Attacking the isolated pawn on a6 (better is 28.Nb4!? Qa4 29.Nd5+=) 28...Qa4 (28...Qa7!? 29.Qd5 Be6 30.Qd6 Qb8 31.Qa6 Rd8–/+) 29.Qc2?? (29.Qd5 Be6 30.Qb7+= (30.Qd6? Qb5 31.Qa6 Rb8 32.Qb5 Rb5–+)) 29...Qc2–+ (29...Qc2 30.Ng1 Qb3–+) 0–1. pillsbury (2190) – valerypavlovich (2110), net–chess.com, 2015.

3.d4 d5

4.ed5 Qd5 5.Nc3 Qe6 6.Be3 Nc6 (6...Qc6!? 7.Qd2 e6=) 7.d5+/– Qe5 8.Nge2 Nb4 9.a3 Nd5 (9...e6 10.ab4 Bb4 11.Bd4+–) 10.Qd5 (10.Nd5?! Nf6 11.Nb4 Qd6+/–) 10...Qd5 11.Nd5 Ra7?? (better is 11...Kd8+–) 12.Ba7 Be6 (12...Kd7+–) 13.Nc7 Kd7 14.Na6 Nf6 (14...Kc8 15.Nc5 Bc4 16.Nd4+–) 15.Nc5 Kd6 16.Nc3 Kc6 (16...Bc4 17.Nb5 Bb5 18.Bb5+–) 17.Bb5 Kc7 18.Ne6 fe6 19.0–0–0 g6 20.Kb2 (better is 20.Rhe1+–) 20...Ng4 21.Rd7 Kc8 22.Rhd1 Bg7 (22...Nf2 23.Ba6) 23.Ba6 1–0. tromar (1610) – karthik_ms, GameColony.com, 2002.

4.e5+= e6 5.a3 h6 6.Nf3 Nc6 7.Be2 Nge7 8.0–0 Ng6 9.Re1 Nce7 10.h3 Nc6 11.Bb2 Nf4 12.Bf1 g5 (12...Be7 13.Nbd2+/–) 13.Bc1 Bg7 (13...Bd7!?+/–) 14.Bf4+– gf4 15.Qd2 Ne7 16.Qf4 Nf5 17.Bd3 c6 18.Qg4 (18.Nbd2 h5 19.Bf5 ef5+–) 18...0–0? (better is 18...h5!? 19.Qf4 Bh6+/–) 19.Nbd2+– a5 20.c3 ab4 21.ab4 Ra1 22.Ra1 f6 23.Qg6 (23.Ra8 Qe7+–) 23...fe5 (23...Qe8 24.Qe8 Re8+–) 24.Ra7?? (better is 24.Ne5 Qe7 25.g4+–) 24...e4+= 25.g4?? (better is 25.Ne4 de4 26.Rg7 Ng7 27.Be4=) 25...Ne7–+ (25...ed3?! 26.gf5 Qf6 27.Ne5=) 26.Qh5 ed3 (26...ef3 27.g5 Qe8 28.Qh4–+; 26...Rf3?! 27.Nf3 ef3 28.Qh4=) 27.Ne5 Qe8 28.Qh4?? (better is 28.Qe8 Re8 29.Nd3–+) 28...Ng6 29.Ng6 Qg6 30.Rc7 (30.Qg3–+) 30...Bf6 31.Qg3 Bg5 32.Nf1 (32.Rc8 Rc8 33.f4–+) 32...d2 33.Nd2 Bd2 34.Rc6 Qb1 35.Kg2 Qe4 36.Kg1 (36.f3 Qd3 37.h4–+) 36...Rf3 (better is 36...Bb7 37.Re6 Qe6–+) 37.Rc8 Rf8?? (better is 37...Kg7 38.Qc7 Rf7 39.Qe5 Qe5 40.de5 Bf4–+) 38.Rc7?? (better is 38.Rf8 Kf8 39.Qd6 Ke8 40.Qc6 Ke7 41.Qc7 Kf6 42.Qd8 Kg6 43.Qg8 Kf6 44.Qd8 Kg7 45.Qd7 Kg6 46.Qe8 Kg5 47.Qe7 Kg6 48.Qe8 Kh7 49.Qf7 Kh8 50.Qf8 Kh7 51.Qf7 Kh8 52.Qf8 Kh7 53.Qf7=) 38...Qe1 (better is 38...Bf4 39.Qg2 Bc7 40.Qe4 de4–+) 39.Kg2 Bg5 (better is 39...Qe2 40.Rb7 e5–+) 40.f4 (40.h4 Bd2 41.h5–+) 40...Qg3 41.Kg3 Bf6 (better is 41...Bf4 42.Kg2 Bc7–+) 42.Rb7? (42.h4+=) 42...Rf7?? (better is 42...Rc8–+) 43.Rb5= Kg7 44.Rb6 Re7 (44...Rc7 45.g5=) 45.b5 Kf7 46.Rc6 Rb7 47.b6 (47.h4+=) 47...Be7 (47...Bd8 48.h4–/+) 48.h4 (better is 48.f5 ef5 49.Rh6 fg4 50.hg4=) 48...Kf6?? (better is 48...Bd8+=) 49.f5+– Bb4?? (better is 49...Bd8 50.Re6 Kg7+–) 50.Re6 Kg7 51.cb4 Rd7 52.f6 Kf7 53.Re7! Re7 54.fe7 Ke7 55.b7 Kd6 56.b8Q Ke6 57.Qe5 Kd7 58.Qd5 Ke7 59.b5 1–0. pillsbury (2215) – valerypavlovich (2100), net–chess.com, 2015.

2.e4 Bb7

3.Bb2 (--> 2.Bb2 Bb7 3.e4).

3.Bb5 a5 =.

3.Nc3 Nc6 4.Bb5 Nf6 (4...Nb4 5.Nf3+=) 5.Rb1 e6 6.Nf3 (6.Bc6 Bc6 7.d3 a5 8.ba5 Ra5+/–) 6...a5 (6...Nb4!? 7.a3 Nc6+/–) 7.ba5+/– Ra5 8.0–0 Bd6 9.d4 Bb4? (better is 9...Nb4 10.Bd3 Be7+/–) 10.Bc6+– Bc6 11.Rb4 Rh5 (11...Ne4 12.Ne4 Be4+–) 12.Ne5 (better is 12.Bg5+–) 12...Ne4 (12...Ba8+–) 13.Qh5 g6 (13...Nd6 14.Nc6 dc6 15.Bg5+–) 14.Qf3 Ng5 15.Bg5 (15...Bf3 16.Bd8+–) 1–0. Caissa – rene822, Live Game Caissa's Web, 2004.

3.Nc3 Nf6 4.d4 Ne4 5.Ne4 (5.Nb5!? e5 6.a3=+) 5...Be4=+ 6.Bb5?? (6.f3 Bc6 7.d5+=) 6...Bg2–+ 7.Nf3 Bh1 8.Ne5 e6 9.Ke2 Bc6 10.Nc6 dc6 11.Ba4 Qd5 (11...Bb4 12.Rb1 Bd6 13.Qg1–+) 12.Be3 (12.c3 a5 13.a3 Qh5 14.Ke1 Qh2–+) 12...Qc4 (12...a5 13.a3–+) 13.Qd3 Qb4 14.Bc6 (14.Qb3–+) 14...Nc6 15.c3 (15.a3 Qd6 16.Qc3–+) 15...Qb2 16.Kf3 Qa1 17.Qb5 Qc3 (18.Kg2 Rb8–+) 0–1. Scott – Rossbach, corr SOK–88–21, 1988.

3.d3 a5 4.ba5 Ra5 5.Bb2 (5.Bd2 Ra8=) 5...e5 (5...e6 6.Nf3=) 6.Be5+= b4 7.Nf3 Nc6 8.Be2?? (better is 8.Bg3+=) 8...Ne5–+ (8...Re5?! 9.Ne5 Ne5 10.0–0–/+) 9.Ne5 Re5 10.Nd2 (10.0–0–+) 10...Rh5?? (better is 10...f5–+) 11.Bh5+– g6 12.Bg4 Bg7 13.Rb1 c5 14.Nc4 Bc3 15.Ke2 Nf6 16.h3 Qe7 17.Kf3?? Be4 18.Kg3 Be5?? 19.f4 Bf4 20.Kf4 Nd5 21.Kg3 Nc3 22.Qe1 Nb1 23.Qb1 d5 24.de4 dc4 25.Re1 Qd6 26.Kh4?? g5 27.Kg5 h6 28.Kh4 h5 29.Bf5?? Qf4 30.g4 hg4 31.Bh7 Rh7# 0–1. alanwsp (1830) – pjp (1605), net–chess.com, 2005.

3.d3 e5 4.Nf3 (4.Bd2 Nc6 5.a4 a6= (< 5...Bb4 6.Bb4 Nb4 7.ab5+/–)) 4...d6 (4...Bb4!? 5.c3 Bd6=+) 5.Nc3 (5.a4 d5+=) 5...Nd7 (5...a5 6.a3+=) 6.Nb5+= a6 (6...d5 7.ed5 a6 8.Nc3 Bb4 9.Bd2=) 7.Nc3+/– Ngf6 (7...d5 8.Rb1 d4+/–) 8.g3 (8.a3 d5+/–) 8...Be7 (8...d5 9.Rb1=) 9.Be3 (9.a3 0–0+=) 9...c5 (better is 9...d5!? 10.Bd2 de4 11.Ne4 Ne4 12.de4 Be4=+) 10.bc5+/– dc5 (10...Nc5 11.Bg2+/–) 11.Bh3 Rc8 12.Qb1 Bc6 13.0–0+/– h6 14.Nh4 g5 15.Nf5 Rb8 16.Qe1 g4 17.Bg2 Rb2 18.Qe2 c4 19.dc4 Nb6 20.Bb6 Rb6 21.Ng7 Kd7?? 22.Rad1 (22...Kc8 23.Rd8 Kd8 24.Nf5+–) 1–0. jlvanoster – furballs (1800), net–chess.com, 2004.

3.Qf3 a6 4.Bb2=.

3.Qf3 e5 4.Bb2 d6 (4...Nf6 5.Be5 Ne4 6.Qe2+= (6.Bb5? Qg5 7.Bc7 Qb5–+)) 5.c4 (better is 5.Bb5!? Nd7 6.Nc3+/–) 5...Nf6= 6.Nc3 Nc6 7.a3 (better is 7.cb5!? Nb4 8.Rc1+=) 7...Nd4+= 8.Qd3 Be7 (better is 8...bc4 9.Qc4 Nc2 (9...Be4? 10.Ne4 Be7 11.Bd4 ed4 12.Qc6 Kf8 13.Nf6 Bf6 14.Rc1+–) 10.Kd1 Na1 11.Qb5 Ke7 12.Qb7 Nb3=) 9.cb5+= a6 10.Nf3 ab5? (10...Nb5 11.Nb5 Be4 12.Qc3 ab5 13.Bb5 Kf8 14.Bc6+=) 11.Be2?? (better is 11.Nd4!? ed4 12.Qb5 Kf8 13.Qb7 dc3 14.dc3+–) 11...c6 12.0–0 Ne2 13.Qe2 0–0 14.d4 c5 15.dc5 dc5 16.Nb5 cb4= 17.Be5 Ne4 18.Rfd1 Qa5?? 19.ab4 Qb4? 20.Rab1+– Qa4 21.Rd4 Qa6 22.Re4 Be4 23.Qe4 Qa2 24.Nc3 Qa3 25.Nd5 Bc5?? 26.Bd4 Bd4 27.Nd4 Rfb8 28.Rb8 Rb8 29.g3 Rb1?? 30.Qb1 g6 31.Qb8 Kg7 32.Qe5 Kh6 33.Ne3 Qa1 34.Kg2 Qa8 35.Kh3 Qc8 36.Ng4 Qg4 37.Kg4 f6 38.Qe7 f5 39.Nf5! gf5 40.Kf5 (40.Kf5 Kh5 41.Qh7#) 1–0. Baer,Cy (1895) – Tortoza,Carlos, CiF, 2007.

3.Bb5 c6

4.Bd3+/– e5 5.Bb2 f6 6.a3 c5 7.b5 a6 8.a4 (8.Nc3 Ne7+/–) 8...Qb6 (8...ab5!? 9.ab5 Ra1 10.Ba1 d5+/–) 9.Nc3 Qd6 10.Nf3 Ne7 11.0–0 g6 12.Bc4 Bg7 13.Qe2 Rf8 14.Rfb1 h5 15.Ba3 a5 (15...Qc7+–) 16.Qe3 f5 17.Bc5 f4 (17...Qf6+–) 18.Bd6 fe3 19.fe3 Bf6 20.Ne5 Be5 21.Be5 d6 (21...Nc8 22.Bg7+–) 22.Bg7 g5 (22...Nd7 23.Bf8 Nf8 24.Rf1+–) 23.Bf8 Kf8 24.Rf1 Ke8 25.Bf7 Kd8 26.Bh5 Nd7 27.Rf7 Ne5 28.Rg7 g4 (28...Kd7 29.Rg5 Nc4 30.Bg4 Ke8 31.Rd1+–) 29.Rf1 Rc8 (29...Kd7 30.Bg4 Ng4 31.Rg4+–) 30.Rf8 Kd7 31.Rc8 Bc8 32.Nd5 Bb7 33.Re7 (33...Kc8 34.Re8 Kd7 35.Nf6 Kc7 36.Re7 Kb8 37.Bg4 Ng4 38.Ng4+–) 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2001.

4.Be2 a5!? 5.ba5 Qa5 +/–.

4.Be2 e5 5.Nf3+– Bb4 6.Ne5 Qf6? (better is 6...Nf6 7.c3 Qe7+–) 7.Bb2+– Qg5 (7...Na6 8.0–0 Nh6 9.Nd3+–) 8.0–0 f6 (8...Nf6 9.f4 Qh6 10.c3 Bc5 11.d4+–) 9.Nf3 Qa5 10.Nc3 Ne7 11.a3 Bc5 (11...Bd6 12.d4 0–0 13.e5+–) 12.d4 Bb6 13.Bd3 (13.Nd2 Bd8+–) 13...d6 (13...Ba6 14.Ne2 Qa4 15.Rb1+–) 14.Qd2 (14.e5!? de5 15.Ne4 0–0 16.de5 f5+–) 14...Nd7 (14...0–0 15.Qf4 Bc7 16.Ne2+–) 15.Ne2 (15.Qf4 Rd8 16.Qg3+– (16.Qd6?! Ne5 17.Ne5 Rd6+–)) 15...Qd2 16.Nd2 0–0–0 17.Nf4 Nf8 18.Nb3 g5 19.d5?? (19.Nh5!? Ne6+–) 19...Nd7?? (better is 19...gf4 20.Bf6 Nfg6 21.Bh8 Rh8 22.dc6 Nc6+=) 20.dc6 Bc6 21.Ne6 Rde8 22.Ba6 (22.a4 Ng6 23.Ng7 Rd8+–) 22...Kb8 23.a4 Ng6 24.Ned4 (24.a5 Bc5 25.Nbc5 dc5+–) 24...Nge5? (better is 24...Be4!? 25.Ba3 Nf4 26.Bd6 Bc7 27.Bf4 Bf4+/–) 25.Nc6+– Nc6 26.Bb5 Kc7 27.Bc6 Kc6 28.Nd4 (better is 28.a5!? Bc5 29.Nc5 dc5 30.f3+/–) 28...Bd4= 29.Bd4 Nc5 (better is 29...Re4!? 30.Rfd1 a5=) 30.Bf6+/– Rhg8 31.Bd4 (31.f3 g4 32.Kh1+/–) 31...Re7? (better is 31...Re4!? 32.Bc5 Kc5+=) 32.Bc5 dc5 (32...Kc5 33.f3+–) 33.Rfe1 a5 34.c4 (better is 34.f3!?+–) 34...Rb8+/– 35.f3 Rb4 36.Rec1 Rd7 37.Kf2 h5 38.Kg3 Rd3 (38...Rd2 39.h4 gh4 40.Kh3+=) 39.h4 gh4 40.Kh4 Rd2 41.Kg3 (worse is 41.Kh5 Rg2 42.Rab1 Ra4=) 41...h4 42.Kh3 (worse is 42.Kh4 Rg2 43.Rab1 Ra2=) 42...Rbb2 (42...Kd6!?+/–) 43.Rg1+– (43.Kh4?! Rg2 44.Kh3 Rg8+=) 43...Rbc2 44.Rac1 (44.Kh4 Rg2 45.Rg2 Rg2 46.e5+–) 44...Rb2? (44...Rg2! 45.Kh4 Rc4 46.Rc4 Rg1=) 45.Kh4+/– Ra2? (45...Rg2 46.Rg2 Rg2 47.f4+–) 46.Ra1 (46.g4 Rh2 47.Kg3 Rh8+–) 46...Rac2? (better is 46...Rg2 47.e5 Rg1 48.Ra2 Rc1+–) 47.Rac1 Ra2 48.Ra1 Rac2 49.Rac1?? (better is 49.g4 Rd3 50.g5 Rf3 51.g6+–) 49...Ra2= (Draw: 3 move repetition) ½–½. smoothoperator (2010) – pwillows (2190), net–chess.com, 2014.

4.Bf1 c5 5.bc5 d6 (5...Be4!? 6.Nc3 Bc6+/–) 6.Bb5+– Bc6 7.Bc4 (7.Bc6 Nc6 8.cd6 Qd6+–) 7...dc5 (better is 7...Be4 8.Nf3 e6+/–) 8.d4?? (better is 8.d3!?+–) 8...Be4 (8...Qd4 9.Qd4 cd4 10.f3=) 9.Bb5 (9.Nf3 e6 10.Nc3 Bb7+/–) 9...Nd7 10.Nc3?? cd4?? 11.Ne4?? Rb8?? 12.Bf4?? Rb5 13.Qe2= Rb2?? 14.Bc1 f5?? 15.Bb2 fe4+– 16.Bd4 Qa5 17.c3 Qd5? 18.Rc1?? e5?? 19.Rb1?? ed4–/+ 20.a4? dc3–+ 21.f3. snake – darkmatter, net–chess.com, 2001. (=1.e4 b5 2.b4 Bb7)

4.Bf1 Nf6 5.Nc3 +/–.

3.Bb5 Be4

4.Nf3 Nf6 5.d3 Bb7 6.Nc3 (6.0–0 a5 7.ba5 e6+=) 6...e6 7.0–0 (better is 7.Rb1!?=) 7...Bb4–/+ 8.Bb2 0–0 9.a3 Bc5 10.h3 (10.d4 Bd6–/+) 10...a6 11.Bc4 d5 12.Bb3 Nbd7 13.Na4 Ba7 (13...Bd6 14.Rb1–/+) 14.d4 c5 15.Nc5 Nc5 16.dc5 Bc5 17.Bd4 Bd6 18.Qd2 e5 (better is 18...Ne4!? 19.Qe3 Qe7–/+) 19.Ne5 Qc7 20.Rae1 (20.f4 Ne4 21.Qd3 Rfe8=) 20...Ba3 21.Nd3 a5 22.Bf6 gf6 23.Nf4 Bb4 24.Nd5? (better is 24.Qe3!? Qe5 25.Rd1=+) 24...Bd5–/+ 25.Qd5 Be1 26.Re1 Rad8 (26...a4!? 27.Bc4 Rfe8 28.Re8 Re8–/+) 27.Qf5 Qb6 (28.Rb1 Kg7=; 27...Rfe8!? 28.Ra1 Qe5 29.Qg4 Kf8–/+) 0–1. fordey – markmooney, ChessWorld.net, 2005.

4.f3 e6

5.Bb2!? Bf5 6.h4 =.

5.Nc3 Bc6 6.Bc6 Nc6 7.b5 Nd4 8.Nh3 Qf6 9.0–0 Qf5 10.d3 Qc5 11.Ne4 Qc2 12.Qc2 Nc2 13.Rb1 Nb4 14.Bf4 Nd3–+ 15.Bc7 d5 16.Nef2 Bc5 17.Rfd1 Rc8 18.b6 ab6 19.Bb6 Bb6 20.Rb6 Ne5 21.Ng5 Nc4 22.Rb7 Ne7 23.a4 h6 24.Ngh3 Nf5 25.Ra1 e5 26.a5 Na5 27.Rb5 Nc4 28.Rd5 Ke7 29.Ra7 Ke6 30.Rdd7 Nb6 31.Rd1 Rhd8 32.Re1 Nd5 33.Ng4 f6 34.Rd1 Rc2 35.Rb7 Rg2!! 36.Kg2 Nde3 37.Ne3 Ne3 38.Kf2 Nd1 39.Kg3 Ne3 40.Kf2 Nf5 41.Rb6 Kd5 42.Kg2 Nd4 43.Nf2 f5 44.Rg6 Rd7 45.Ra6 h5 46.h4 Rc7 47.Nh3 Rc2 48.Nf2 Rb2 49.Ra7 g6 50.Ra6 Ne6 51.Ra5 Kd4 52.Kg3 f4 53.Kg2 g5 54.Ra4 Kd5 55.Ra5 Kd6 56.Ra6 Ke7 57.Ra5 Kf6 58.hg5 Ng5 59.Ra6 Kf5 60.Rh6 Rb3 61.Rh5 Kg6 62.Rh8 Nf3 63.Rg8 Kf5 64.Re8 Nd4 65.Rf8 Ke6 66.Ne4 Rb2 67.Kh3 Kd5 68.Ng5 Rb3 69.Kg4 Rg3 70.Kh4 Rg5! 71.Rd8 Ke4 72.Kg5 Ne6 73.Kg4 Nd8 (74.Kh3 Kf3–+) 0–1. Crafty 19.01 – Fritz 6, 2004.

5.fe4? Qh4–/+ 6.Kf1? (better is 6.Ke2!? Qe4 7.Kf1 Qf5 8.Qf3 Qb5 9.d3–/+) 6...Qf6–+ 7.Qf3 Qa1 8.Qb3 Qd4 9.d3 Qb4 10.c3 Qb3 11.ab3 c6 12.Ba4 a5 13.Nf3 Be7 14.e5 f6 15.d4 fe5 16.de5 Bc5 17.Nbd2 Ne7 18.Ne4 Na6 19.Ke2 0–0 20.Bd2 Ng6 21.g3 Rf5 22.Nd6?? Rf3! (22...Rf3 23.Kf3 Ne5 24.Kg2 Bd6–+) 0–1. Roczniak,Jan – Mizielski,M, Poland (year?).

4.Nf3 a6

4.Nf3 a6 5.Ba4 Nf6 (5...e6 6.Ba3=) 6.d3 (6.Nc3 Bc6=) 6...Bb7 (6...Bc6 7.c4=) 7.0–0 e6 (7...Nc6 8.a3=) 8.c3 (8.Nbd2 Nc6 9.c3 Be7=) 8...Be7 9.Bb2 (9.Nbd2 Nd5 10.Bb2 Nc6+=) 9...0–0 10.Nbd2 c6 (10...Nc6!?=) 11.Re1 (11.Nb3 Qc7+/–) 11...d5 (11...d6 12.Nb3+=) 12.a3 (12.Nb3 Qc7+/–) 12...Bd6 (12...Nbd7 13.Nb3+=) 13.c4 (13.Nb3+=) 13...Re8 (13...Nbd7 14.Nb3+=) 14.c5 (14.Bf6 gf6 15.Nd4 dc4 16.dc4 a5+/–) 14...Bf4 (14...Bc7 15.Nb3+/–) 15.g3 Bh6 (15...Bc7 16.Nb3+/–) 16.Bf6 (better is 16.Nb3!?+–) 16...Qf6+= 17.Ne5 Qe7 (17...Bd2 18.Qd2 Qd8 19.d4+/–) 18.d4 (18.Nb3 g6+/–) 18...f6 (18...Qc7 19.Ng4 Bd2 20.Qd2+=) 19.Ng4 f5? (better is 19...Bd2 20.Qd2 Nd7+=) 20.Nh6+– gh6 21.Bc2 Qg5 22.Nf3 Qh5 23.Ne5 Qd1 24.Rad1 Kg7 25.f4 Kf6 26.Kf2 Re7 27.Rd2 Nd7 28.Rde2 Ne5 29.Re5 Rae8 30.h3 Bc8 31.g4+– fg4 32.hg4 Rg8 33.Kf3 Ra7? 34.f5 ef5+/– 35.Bf5 Rc7 36.Bc8 Rcc8 37.Rf5+– Kg7 38.Re7 Kg6 39.Ra7 Rgf8 40.Rf8 Rf8 41.Kg3 Rf7?? 42.Ra6 Rf6?? 43.b5! cb5 44.c6 Kg5 45.c7 Rf8 46.Rc6 Rc8 47.Rc5 Kg6 48.Kh4 Kf6 49.Kg3 Ke6 50.Kh4 Kd6?? 51.Kh5+– Rc7 52.Rc7 Kc7 53.Kh6 Kd6 54.g5 Ke6 55.Kh7 Kf7 56.g6 (56.g6 Ke6 57.g7+–) 1–0. matof (2175) – dennism (2150), net–chess.com, 2008. (=1.Nf3 b5 2.e4 Bb7 3.b4 Be4 4.Bb5)

5.Be2 e6

6.a3 Nf6 7.d4 1–0. Woelfelschneider,Peter – Reichel, GTM 1.42, 2001.

6.Bb2 Bb4?? 7.Bg7 Bf3 8.gf3 Qg5 9.Bh8 Qg2 +–.

6.Bb2 Bb4?? 7.Bg7 Bf3 8.Bf3 +–.

6.Bb2 Bb4?? 7.Bg7 Bf3 8.Bh8?! Bc6 +–.

6.Bb2 f6 7.Nc3 Bb7 8.a3 c5 9.bc5 Bc5 10.0–0 Qb6 (10...Ne7!?+=) 11.Na4+/– Qa5 12.Nc5 Qc5 13.Rb1 Qc7 14.Re1 Nh6 15.c4 Nf5 16.Qb3 0–0 (16...Bc6 17.d4 Be4 18.Bd3 Bd3 19.Qd3+/–) 17.Bf6! gf6 (17...Rf6 18.Qb7) 18.Qb7+– Qb7 19.Rb7 Rc8 20.Reb1 Nd6 21.R7b6 Nc4? (better is 21...Ne4+–) 22.Bc4 Rc4 23.Rb8 Rb8 24.Rb8 Kf7 25.Kf1 Rc1 26.Ke2 Ra1 27.Rb3 a5 28.Rc3 a4 29.h4 Rb1 (29...e5 30.d4 e4 31.Nd2+–) 30.Rc4 e5 31.Ra4 e4 (31...Ke6 32.g4+–) 32.Re4 Re1 (32...d5 33.Rb4 Ra1+–) 33.Ke1 (33...f5 34.Re5+–) 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2001.

4.Nf3 e6

5.Bb2 c6 = (5...Bb4?? 6.Bg7 Be7 7.Bh8+–).

3.Bb5 e6!?

4.d3 a6 =.

3.Nc3 a6

4.Bb2 e5 5.Nf3 (5.a3 Nc6=) 5...Bb4 6.Ne5 Qe7 7.Nd3 Be4 (7...Bc3!? 8.Bc3 Qe4 9.Qe2 f6=+) 8.Ne4= Qe4 9.Qe2 (9.Be2 Qg2 10.Bf3 Bd2 11.Ke2 Qg6 12.Ba8 Ba5+–) 9...Qe2= 10.Be2 Bf8 11.0–0 Nc6 12.Bf3 Nge7 13.Rae1 0–0–0 14.Re3 Nf5 15.Re4 f6 16.Rfe1 Bd6 (16...Nd6 17.R4e3=) 17.Bg4 (17.a4 b4=) 17...Nfe7 18.R4e2 h5 19.Bh3 Rhf8 20.g3 g5 21.f3 f5 22.g4 (22.Kf1 Rde8=+) 22...hg4–/+ 23.fg4 f4 24.Rf2 (24.Kf2 f3 25.Re3 Rde8=+ (< 25...Bh2 26.Re7 Ne7 27.Re7=+)) 24...Rf7 (24...Nd5 25.Bg2 Ndb4 26.Bc6 Nd3 27.Bd7 Kd7 28.cd3–+) 25.Ref1 (25.Bg2 Re8–/+) 25...Ng6 26.Nc1? (better is 26.Re1–/+) 26...Bc5–+ 27.d4 Nd4 28.Bd4 Bd4 29.Nd3 Re8 30.Bg2 Re2 31.Bd5 Rfe7 32.Kh1 Bf2 33.Rf2 Rf2 34.Nf2 Re2 35.Kg1 Rc2 (36.Kg2 c5–+; 35...Re1 36.Kg2 Nh4 37.Kh3 Re3 38.Bf3 Rf3) 0–1. fordey – bcholy, ChessWorld.net, 2005.

4.d4 e6 5.Nf3 Bb4 6.Bb2 Bc3 7.Bc3 Be4 8.d5 f6 (8...Nf6 9.de6 de6 10.Qd8 Kd8 11.Ng5–+) 9.d6 (better is 9.de6!? Qe7 10.Qe2 Qe6 11.Ng5 fg5 12.Bg7+=) 9...cd6–+ 10.Qd6 Bc2 11.Rc1 Bg6 12.Bb4 (12.Be2 Qe7 13.Qd2 Nc6–+) 12...Ne7 13.Bd3 Bd3 14.Qd3 Nbc6 15.Bc5 (15.Bd2 0–0–+) 15...0–0 (15...Qa5!? 16.Qd2–+) 16.0–0 d5 17.Nd4 Nd4 18.Qd4 Re8 19.Bb6 (19.Qd2 Nc6–+) 19...Qd6 (19...Nf5 20.Qc5 Qd6 21.g4 Qc5 22.Bc5–+) 20.Rc7 (20.Bc5 Qd7–+) 20...Rab8 21.Ba5 Nc6 22.Qg4 Re7 23.Re7 Qe7 24.Qg3 Qb7 25.Bc7 Rc8 26.Bd6 Rd8 27.Re1 Qd7 28.Bc5 e5 Black prepares the advance d4 29.f4 e4 30.Rc1 d4 31.Qb3 Qd5 32.Qh3 e3 33.Bb6 Re8 34.Rc5 Qe4 35.Rc1 e2 36.Qb3 Qe6 37.Qe6 Re6 38.Kf2 d3 39.Be3 Nb4 40.f5 Re8 41.a3 Nc2 42.Bd2 Na3 43.Rc3 Nc4 44.Rd3 Nd2 45.Ke1 Nc4 46.g4 a5 47.Rd5 b4 48.Rc5 b3 49.Rb5 a4 50.Rb4 White threatens to counter with Nd2 50...b2 51.h4 Plans Nd2 51...a3 52.g5 a2 (52...a2 53.gf6 a1Q 54.Kf2 e1Q 55.Kg2 Qg1 56.Kh3 Qaf1#) 0–1. Anderson,George – Gibbons,Lorne, Winnipeg Grand Prix–D, 2003.

4.d4 e6 5.Nf3 Be7?? 6.a3+= Nf6 7.Bd3 d6 8.0–0 0–0 9.Re1 c5 10.dc5 (10.d5 Nfd7=) 10...dc5+= 11.bc5 Bc5 12.Be3 Qb6 13.Bc5 Qc5 14.Nb1 Nc6 15.Nbd2 Rfd8 16.Nb3 Qb6 17.e5 Nd5 18.Bh7? (better is 18.Qe2=) 18...Kf8?? (better is 18...Kh7 19.Ng5 Kg8–/+) 19.Ng5+/– Nc3?? (better is 19...Rd7+/–) 20.Qf3+– Ne5 21.Qc3 f6 (21...Nc4 22.Bg6! Rd7 23.Qh3+–) 22.Re5 (better is 22.Qb4!? Rd6 23.Rad1 Ke7+–) 22...fe5 23.Qe5 Rd5 (23...Rd6 24.Nc5 Bd5 25.Qf4 Ke7 26.Qf7 Kd8 27.Nge6 Be6 28.Ne6 Re6 29.Rd1 Qd6 30.Rd6 Rd6 31.g4+–) 24.Qf4 Ke8 25.Qf7 Kd8 26.Ne6 Kc8 27.Be4 Rd7 (27...Kb8 28.Nbc5 Rc5 29.Nc5 Qc7 30.Qc7 Kc7 31.Bb7 Ra7+–) 28.Bb7 Qb7 29.Qe8 Rd8 30.Qd8 1–0. bigmacrook – retiponziani, ChessWorld.net, 2013.

4.Qf3 Nf6 5.d3 e6 6.a3 c5 7.Be3? (better is 7.bc5!? Bc5 8.Nge2+=) 7...cb4–+ 8.ab4 Bb4 9.Bd2 0–0 10.Rb1 Bc5 11.Nh3 h6 (better is 11...d5–+) 12.e5?? (better is 12.Qg3–/+) 12...Bf3–+ 13.gf3 Nd5 14.Rg1 (14.Nd5 ed5 15.c3 d4–+) 14...Qh4 (better is 14...Nc3!? 15.Bc3 Qc7 16.Bb2–+) 15.Ne4 (15.Nd5 ed5 16.c3 d6–+) 15...Qe7 (better is 15...Bd4 16.f4–+) 16.Bh6 g6 17.Nhg5 (17.Bg5 f6! 18.Bf6 Bb4 19.c3 Nf6 (19...Rf6?! 20.ef6 Bc3 21.Nc3 Qf6 22.Ne4–+) 20.Rg6 Kh7 21.ef6 Rf6 (21...Kg6?! 22.fe7 Be7 23.f4–+) 22.Rf6 Bc3 23.Nc3 Qf6–+) 17...d6 (17...Rc8 18.c4 Bb4 19.Kd1 Nc3 20.Nc3 Bc3 21.f4–+) 18.Nd6 (18.Bf8 Kf8 19.c4 Bb4 20.Rb4 Nb4 21.Nd6 f6–+) 18...Bd6 19.Bf8 Qf8 20.Ne6 (20.ed6 Qd6 21.Ne4 Qh2–+) 20...fe6 (better is 20...Bb4!? 21.Ke2 Qh6 22.Ng5 Nc3 23.Ke3 Nb1 24.h4–+) 21.Rg6 (21.ed6 Nf4–+) 21...Kf7 22.Rg5 (22.Rg4 Be5 23.f4 Nf4–+) 22...Ke7 (better is 22...Bb4 23.c3 Bc3 24.Ke2 Qa3–+) 23.ed6 Kd6 24.Be2 (24.Rg4 Qf6 25.Bg2 Nc6–+) 24...Nf4 25.Rb4 Ne2 26.Ke2 Nc6 27.Re4 Qh6 28.h4 Re8 29.d4 e5 30.de5 Re5 31.Rge5 Ne5 32.f4 Nc4 33.f5 Qd2 34.Kf3 Qc2 35.Re6 Kd5 36.Ra6 Qf5 37.Kg3 Ne5 38.Ra3 Qg4 (38...Qg4 39.Kh2 Nf3 40.Rf3 Qf3 41.Kg1 b4 42.h5 b3 43.Kh2 b2 44.h6 b1Q 45.h7 Qbh1) 0–1. kirklandlake – Darkseid, ChessWorld.net, 2012.

3.Nc3 e5

4.Bb5 Bb4!? 5.Qf3 Nc6 =.

4.Bb5 c6 5.Bc4 Nf6 6.a3 d5 7.ed5 cd5 8.Bb5 Nbd7 9.Qe2 (9.d4 Bd6 10.Nge2+=) 9...a6?? (9...d4 10.Qe5 Qe7 11.Qe7 Be7 12.Nge2 dc3 13.Nc3=+) 10.Ba4?? (better is 10.Qe5! Be7 11.Bd7 Qd7 12.Nf3+/–) 10...Bd6 (better is 10...d4!? 11.Nf3 Bf3 12.Qe5 Qe7 13.Qe7 Be7 14.gf3 dc3 15.dc3 Bd6–/+) 11.d3 (11.Nf3 0–0+=) 11...0–0 12.Bg5 Nb6 13.Bb3 h6 14.Bh4 g5 15.Bg3 Re8 16.0–0–0 a5–/+ 17.Na2? a4–+ 18.Bd5 Nbd5 19.c4 Nf4 20.Bf4 ef4 21.Qb2?? Bg2 22.Ne2 Bh1 23.Rh1 Be5 24.Qc2 Ng4 25.f3 Ne3 26.Qd2 Rc8 27.Nac3 Bd4 28.Kb2 Bc3 29.Qc3 Nd1! 30.Rd1 Re2 31.Kb1 Qd5! 32.b5 Qb5! 33.Ka1 Qb3 34.Qb3 ab3 35.h3 Ra8 (36.Kb1 Ra3–+) 0–1. yulio – dixi82, ChessWorld.net, 2006.

4.Qh5 g5 5.Nb5 Be4 6.Bb2 Bc2 7.Be5 Bg6 8.Qe2 +–.

4.Qh5 g5 5.Nb5 Be4 6.Bb2 Nc6 =.

4.Qh5 g5 5.Nf3 +/–.

3.Nc3 e6

4.a3 a5 5.ba5 (worse is 5.Bb5 ab4 6.Nb1 Be4–+; 5.Nb5?! ab4 6.Qf3 c6+=) 5...c6 6.Nf3 =.

4.a3 a6 5.d4 Nf6 6.Qd3 (6.Bd3 a5 7.Qf3 ab4 8.Nb5 c6+=) 6...Be7 7.Nf3 d6 8.Be2 Nbd7 (8...c5 9.d5=) 9.0–0 h6 (9...0–0 10.Rd1=) 10.a4 c6 (10...c5 A) worse is 11.ab5 cb4 12.e5 de5 (worse is 12...bc3 13.ef6 Bf6 14.ba6+/–) 13.de5 Ng4+= (worse is 13...bc3 14.ef6 Nf6 15.Qd8 Kd8 16.Rd1 Kc8 17.ba6+=); B) 11.bc5 dc5 12.ab5 ab5 13.Ra8 Ba8 14.e5+= (worse is 14.Nb5 Be4 15.Qb3 cd4=)) 11.e5 de5 (11...Nh7 12.Rb1+= (12.ab5?! cb5 13.ed6 Bd6=)) 12.de5+/– Nd5 (12...Nh7 13.Ne4+/–) 13.Nd5 ed5 (better is 13...cd5!? 14.ab5 ab5 15.Ra8 Ba8 16.Qb5 0–0+/–) 14.e6!+– (14.ab5?! ab5 15.Ra8 Qa8+=) 14...Nf6 (14...fe6 15.Qg6 Double attack (15.Qg6 Decoy)) 15.Ne5 0–0 16.ef7 Rf7 17.Nf7 Kf7 18.Qd4 Qd6 19.c3 Re8 20.Bf4 Qe6 21.Rae1 Qd7 22.ab5 cb5 23.Bd3 Nh5 24.Be5 Bf8 25.Be2 Qf5 26.Qa7 Re5 27.Qb7 Re7 28.Bh5 Qh5 29.Re7 Be7 30.Re1 Qg5 31.Qc6 Qd2 32.Qe6 (32.Qe6 Kf8 33.Qe7 Kg8 34.Qe6 Kh8 35.Qc8 Kh7 36.Qf5 g6 37.Qf7 Kh8 38.Re8) 1–0. Vornanen,Alpo – Kessler,Meinrad, TT–10.51 ETC, 2003.

4.Bb5 Bb4 5.Nge2 a5 6.a3+= Bc3 7.Nc3 c6 8.Be2 Qc7 9.0–0 d5 10.ed5 cd5 11.Nb5 Qd7 12.d4 (12.Bb2 Nf6+/–) 12...Ne7 13.Bf4 0–0 14.Nc7 Ra7 15.Rb1 Nbc6 16.Bb5?? (better is 16.Nb5 Raa8 17.Re1+=) 16...Rc8 (16...Ng6 17.Bg3 e5 18.Re1 Qc7 19.de5–+) 17.Re1 Rc7 18.Bc7 Qc7 19.Qd3 Qf4 20.c3 Bc8 21.Bc6 Nc6 22.Rb6 Rc7 23.Reb1 Na7 24.Rb8 Qd6 25.a4 (25.R8b3 Nc6 26.a4 e5–+) 25...Qc6 (26.Qg3 Qc3 27.Qc3 Rc3–+) 0–1. Mack,Lienhard – Ritschel,Stephan, RSXL2, 2003.

4.Bb5 Bb4 5.Nge2 Nf6 6.d3= 0–0 7.0–0 (7.Rb1 Nc6=) 7...d5 (7...a6 8.Bc4=) 8.Bg5 (8.e5!? Nfd7 9.d4=) 8...h6 9.Bh4 g5 (9...a6 10.Ba4=) 10.Bg3 c6 (10...a6!? 11.e5 ab5 12.ef6 c6=+ (12...Qf6?! 13.Nb5 c5 14.c3=)) 11.Ba4+= Qa5 (11...de4 12.de4 Ba6 13.Qd8 Rd8+=) 12.Qb1 (12.Be5 Nbd7 13.Bd4 e5 14.ed5 ed4 15.dc6 Ba6 16.cd7 Rad8–/+) 12...Ba6 (12...de4 13.a3 Bc3 14.Nc3–/+) 13.Qb3 (better is 13.Bc7! Qc7 14.Qb4+=) 13...de4=+ 14.a3 Bc3–/+ 15.Nc3 ed3 16.cd3 Bd3 17.Rfe1 Bf5 18.Bd6 Rc8=+ 19.Re5 Qb6–/+ 20.Qc4 Nbd7 21.Re3 Nd5 22.Rg3 Qb2 23.Rd1 N7b6 24.Qb3 Na4 25.Qa4?? Nc3 (26.Rc3 Qc3–+) 0–1. Maes – Rosenhahn,Eberhard, corr 3GMM–51, 1996.

4.Bb5 Bb4 5.Nge2 Nf6 6.d3= a6 7.Bc4 =.

4.Bb5 Bb4 5.Nge2 Qg5 6.Rb1 Qg2 7.Rg1 Qh2 8.Rb4 +–.

3.e5 e6

4.Bb5?? Bb4 5.c3 (5.Nf3 Bc6 6.Bc6 Nc6+=) 5...Ba5 (5...Bg2 6.Qg4 Bh1 7.Qg7+=) 6.Nf3 Nc6 7.Bc6 (7.d4 Nge7+=) 7...Bc6= 8.Ba3 Ne7 9.Nd4 Bg2 10.Rg1 Bh3?? (10...Bd5 11.Rg7 Ng6 12.Qh5=+) 11.Rg7?? (11.Be7 Ke7 12.Qh5 Bf5 13.Qg5 Ke8 14.Qg7 Rf8 15.Nf5 ef5 16.Qh7 Qb8=) 11...Ng6?? (11...Nf5 12.Nf5 Bf5 13.Qf3=) 12.Qh5?? (better is 12.Qf3 Ne5 13.Qh3+–) 12...Qh4?? (better is 12...Bg2+=) 13.Qf3+– Ne5 14.Qa8 Qd8 15.Qd8 (better is 15.Qe4!? d6 16.Rg3 c5+–) 15...Kd8 16.Rg3 Bg4 (16...Bf5 17.Nf5 ef5 18.d4+–) 17.h3 (17.f4 Ng6 18.Rg4 h5+–) 17...Bh5 (17...Bf5 18.Nf5 ef5 19.f4+–) 18.f4 (better is 18.Rg5 Nd3 19.Kf1 Bb6 20.Rh5 h6+–) 18...Nc4 19.Bb4 Bb6 20.d3 Na5 (20...Nb2+–) 21.Ba5 Ba5 22.Kd2 (better is 22.Rg5 Bb6 23.Rh5+–) 22...c5 23.Nb3 Bb6 24.c4 Kc7 25.Rg5 Bg6 26.Nc5 (better is 26.Nc3 h6 27.Rg3 d6+–) 26...f5?? (26...f6 27.Rg6 hg6 28.Nb3+–) 27.Na3 (better is 27.Nb3 d6 28.Nc3+–) 27...Bc5 28.Nb5 Kb6 29.a4 (29.d4!? Bb4 30.Nc3 Kc6+–) 29...a6 30.a5 Kc6 31.Nc3 Bd4 (31...Rb8 32.Ra2+/–) 32.h4 (32.Rb1!?+–) 32...Bf6 (32...Rb8 33.Kc2+/–) 33.Rgg1 (33.Rb1 Bd8+/–) 33...Bh4+= 34.Rgb1 Kd6? (better is 34...Bf2+=) 35.Rb6+– Ke7 36.Ra6 Bg3 (36...Bf6 37.Re1 Bd4 38.Nd5 Kf7 39.Nb6+–) 37.Ke3 h5 (37...Rg8 38.Ra7+–) 38.Rb6 (38.Rg1 h4 39.Ne2 Bh5 40.Ng3 hg3 41.Rg3 Bg4+–) 38...h4 (38...Ra8+–) 39.a6 e5 (39...Ra8 40.a7 Bh2 41.Nb5+–) 40.Rg6 Bf4 41.Ke2 Ra8 (41...Kf7 42.Rb6 e4 43.Rf1 ed3 44.Kd3+–) 42.Nd5 Kd8 (42...Kf7 43.Rf6 Kg7+–) 43.Rg8# 1–0. pinecrest1981 – underdogged, Live Game Caissa's Web, 2004.

4.Bb5?? Bg2 5.a3 Bh1 –+.

4.Nf3 a5 =.

4.h4 c6 5.c3 +=.

4.h4 d6 5.Bb5= c6 6.Bc4 a5 7.d4 (7.ba5 de5 8.Nc3 Ra5=) 7...de5+= 8.b5 (8.de5!? Nd7 9.Nf3 ab4 10.Qe2+=) 8...Qd4 9.Qd4 ed4 10.bc6 (10.Nf3 c5–/+) 10...Bc6 11.Ne2 Bc5 12.Bf4 (12.Ba3 Ba3 (worse is 12...Bg2 13.Bb5 Nd7 14.Rg1 Ba3 15.Na3=) 13.Na3 e5–/+) 12...Nf6 (12...Ne7 13.0–0–+) 13.h5? (13.Be5 Bb4 14.Kf1 Nbd7 15.Bd4 e5–/+) 13...h6 (13...Bg2 14.Rg1 Bf3 15.h6 gh6 16.Be5–+) 14.Bb8 (better is 14.Be5!? Bg2 15.Rg1–/+) 14...Rb8–+ 15.Nd2 (15.f3 Ke7–+) 15...0–0 16.a4? Bg2 17.Rg1 Bd5 18.Bd5 Nd5 19.Ne4 Bb4 20.Kf1 Nc3 21.Nf6–/+ Kh8 22.Nd7 Ne2 23.Ke2 Bc3 24.Nb8 Ba1 25.Nd7 d3 26.cd3 Rd8 27.Nc5 Bc3 28.Rc1 Bb4 29.Ne4 Kg8 30.f4 f5 31.Nf2 Kf7 32.Rc7 Kf6 33.Nd1 Bd6 34.Ra7 Bb4 35.Ne3 Rd4 36.Ng2 g5 37.fg5 hg5 38.h6 Bf8 39.h7–/+ Bg7 40.Ne3? Ra4–+ 41.Nc4 Ra2 42.Ke3 Rh2 43.Nd6 Rh7 44.Ne8 Kg6 45.Ra5 g4 46.Kf4 Rh3 47.Ng7 Kg7 48.Kg5 Rd3 49.Ra7 Kf8 50.Kf6 Ke8 51.Ke6 f4 52.Ra8 Rd8 53.Ra4 Rd3 54.Rf4 Rg3 55.Rf6?? Rg1?? 56.Rg6= Kf8 57.Rf6?? Kg7–+ 58.Rf7 Kg6 59.Rf6 Kg5 60.Rf5 Kh4 61.Kf6 Kg3 62.Kg5 Kh2?? 63.Kf4?? Rf1?? 64.Kg4= Rf5 65.Kf5 Kh1 ½–½. karlsdad – Darkseid, ChessWorld.net, 2013.

3.f3 e5

4.a3 Bd6 5.c4 (5.Bb5!? a5 6.ba5+=) 5...bc4= 6.Bc4 Ba6 (6...a5 7.b5=) 7.b5+= Bb7 8.Bb2 (8...a6 9.d4 ab5 10.de5 Ba3 11.Bf7 Kf7 12.Na3+=; 8.d4 ed4 9.Qd4 Qh4 10.Kd1 f6+=). riverborne – saul, Caissa.com, 2004.

4.a3 Be4 5.Bb5 (5.fe4 Qh4 6.g3 Qe4 7.Qe2 Qh1 8.Qe5 Kd8 9.Qb5 Qg1–+) 5...Bd5 6.Qe2 =.

4.Bb5 c6 5.Ba4 Bb4 6.c3 Bc5 7.Nh3 (7.d4 ed4 8.cd4 Bb4 9.Bd2 Qg5=) 7...f6 (7...Qh4 8.Ke2+=) 8.f4 (8.d4 ed4 9.cd4 Bb4 10.Kf2 f5 11.ef5 Qf6+=) 8...Ne7 (8...f5!? 9.Qh5 g6+=) 9.d4+= ed4?? (9...Bb6 10.fe5 fe5 11.de5+=) 10.cd4?? (better is 10.Qh5 Ng6 11.Qc5 dc3 12.Nc3+–) 10...Bb4= 11.Bd2 Bd6 12.0–0 f5 13.ef5 Nf5 14.g4 Nd4+= 15.Bc3 Ne6?? 16.f5 Nc5?? 17.Bb4 Be5?? 18.Nd2?? Ba1?? 19.Bc5 Be5 20.Re1 Qf6? 21.Nc4 Ba6 22.Re5 Kd8 23.Re4 Qh4?? 24.Kg2 h5?? 25.Be7 Kc8 26.Nd6 Kc7 27.Bh4 Rh6 28.Ne8 Kb7 29.Bg3 h4 30.Bb8 Rb8 31.Re7 Rd8 32.Rd7 Rd7 33.Qd7 Kb6 34.Qc7 Kc5 35.Qa7 Kd5 36.Qa6 g5 37.Bb3 Ke5 38.Qe2 Kd4 39.Qc4 Ke5 40.Qc5 Ke4 41.Nd6 Kd3 42.Nf2 Ke2 43.Qe5 Kd2 44.Nc4 Kc1 45.Qb2# 1–0. dunk0104 – Pekin Dragons, ChessWorld.net, 2013.

3.Qf3 Nf6

4.Bb5 Be4 5.Qg3 Bc2–/+.

4.Bb5 Ne4 5.Nc3 Nd6 6.Qg3=+.

4.Nc3 a5 5.ba5 b4 6.Rb1 =.

4.Nc3 a5 5.Nd5? Nd5–/+ 6.ed5 e6 7.c4 (7.Bb2 Bd5 (7...Bb4?! 8.Qg3=) 8.Qg3 A) 8...Bb4?! 9.Qg7 Rf8 10.a3= (< 10.Qh7 Qg5 11.Rd1 Bg2–/+); B) 8...ab4 9.Bb5 f6–/+ (9...Ba2?! 10.Bc4=)) 7...bc4 8.Bc4 ab4 9.Bb2 Ra5 10.Ne2 (10.Qg3 Bd5 11.Bd5 Rd5–+) 10...Bd5 11.Bd5 Rd5 12.0–0 (12.d3 Nc6–+) 12...Rd2 13.Be5 (13.Rfb1 Nc6–+) 13...Nc6 14.Bf4 Rd5 15.Ng3 (15.Rfd1 Qf6–+) 15...Nd4 16.Qg4 f5 17.Qh3 h5 18.Nh5 (18.Rac1 g5 19.Bc7–+) 18...g6 19.Bc7 (19.Rae1 Rh5 20.Qg3 Kf7–+) 19...Qg5 (< 19...Rh5 20.Qh5 gh5 21.Bd8 Ne2 22.Kh1 Kd8 23.Rfd1–+) 20.Qe3 (20.Qd3 Qh5 21.Rfe1 g5–+) 20...Qh5 21.Rad1 (21.Rae1 Nc2 22.Qb3–+) 21...Ne2 22.Kh1 Rd1 (23.h3 Rf1 24.Kh2 f4–+) 0–1. Joel2 (1895) – marekt (2070), ChessWorld.net, 2003.

4.Nc3 e6 5.a3 a6 6.d4 Be7 (6...Nc6 7.Nge2=) 7.d5 (7.Bd3!?+=) 7...ed5=+ 8.ed5 0–0 9.h4 (9.Bd3 Re8 10.Be3 c6=+) 9...Re8 10.Bd3?? (better is 10.Be3–/+) 10...Bb4–+ 11.Nge2 (11.Kd2 Bd5 12.Qg3 Bc3 13.Kc3 Ne4 14.Be4 Qf6 15.Kd2 Qd4 16.Bd3 Qa1 17.Nf3–+) 11...Bc3 12.Kf1 (12.Kd1 Ba1 13.c4–+) 12...Bd5 (better is 12...Ba1 13.c4 bc4 14.Bc4 Re4–+) 13.Bh7 Nh7 (13...Kh7 14.Qc3) 14.Qc3 Bg2 (better is 14...Bc4 15.Be3 Be2 16.Ke2 Nf6–+) 15.Kg2 Re2 (better is 15...Nc6 16.Be3 Qe7–+) 16.Bb2?? (16.Qf3 Qf6 17.Qa8 Qf2 (17...Qa1?! 18.Qb8 Nf8 19.Qc7–+) 18.Kh3 Qf5 19.Kg3 Qg6 20.Bg5 Re8–+) 16...Nf6 (better is 16...Qf6 17.Qf6 gf6 18.Rac1–+) 17.h5 (17.Qf3 Rc2 18.Bf6 Qf6 19.Qa8 Qf2 20.Kh3 Rc3 21.Kg4 Rg3 22.Kh5 Qf5) 17...Ne4 (better is 17...Rf2! 18.Kg1 Nc6–+) 18.Qg7 1–0. gummi57 – markmooney, ChessWorld.net, 2005.

2.e4 c6

3.a4 ba4 4.Ra4 e5 (4...Qb6 5.Nf3 Nf6 6.e5+/–) 5.d4 (5.Nc3 d6+–) 5...ed4+/– 6.Qd4 Qf6 (6...Nf6 7.Nc3 c5 8.bc5+–) 7.Bb2 (7.Nf3 a5 8.Qb6 Qg6 9.Ra5 Qe4 10.Kd1 Ra5 11.ba5 Qb4+–) 7...Qd4 (7...c5 8.Qf6 Nf6 9.b5+/–) 8.Bd4 g6?? (better is 8...a5+/–) 9.Bh8+– Bb7 (9...d5 10.ed5 Bf5 11.Na3+–) 10.Bd4 Ne7 11.Ra7 Ra7 12.Ba7 Na6 13.c3 d5 14.ed5 Nd5 15.Nf3 Nac7 16.Bc4 Bg7 17.Kd2 Nb5 18.Re1 Kd7 19.Bd5 Na7 20.Bf7 1–0. Rosner,Dirk – Reichel,Anton, Tiger SC, 2000.

3.a4 a6 4.ab5 e6 5.ba6 Na6 6.b5 cb5 7.Bb5 Bc5 8.d4 Bb4 9.Bd2 Bd6 10.Nf3 Nf6 11.e5 Be7 12.Ba5 Bb4 13.Bb4 Nd5 14.Ba5 Qe7 15.0–0 Rb8 16.c4 Nf4 17.Bd2 g5 18.Ra6 Ba6 19.Ba6 h5 20.h4 g4 21.Bf4 gf3 22.Bg5 Qb4 23.Qf3 Qa4 24.Qf6 0–0 25.Bh6 Qa6 26.Qg7# 1–0. Rosner – Haase, DESC 1999.

3.a4+= e5 4.Qh5 g5 (4...Bd6!?+=) 5.Bb2 h6 (better is 5...Nf6!? 6.Qg5 d6+/–) 6.Be5+– Nf6 7.Qf3 Bg7 8.ab5 d6 9.Bd4 Bg4 10.Qe3 Qe7 11.Nc3 d5 (11...Be6+–) 12.ed5 Qe3 13.de3 (13.Be3?! Nd5 14.Nd5 cd5+–) 13...cd5 14.b6 Nc6 15.Bb5 (15.ba7?! Nb4 16.Bb5 Kd8+–) 15...0–0 (15...Bd7 16.Bc6 Bc6 17.ba7 Kd7+–) 16.Bc6 Rac8 17.ba7 Rc6 18.a8Q Ra8 19.Ra8 Bf8 (19...Kh7 20.b5 Rd6 21.b6+–) 20.b5 Re6 21.h4 Bf5 22.b6 (better is 22.hg5 hg5 23.Nd5 Nh7+–) 22...Kg7 (22...Nd7 23.b7 gh4 24.Nd5+–) 23.b7 Bd6 24.Nb5 Be5 25.Be5 Re5 26.Nf3 Re7 27.b8Q Re8 28.Qb7 Bc2 29.hg5 Ng4 30.Re8 (30...hg5 31.Qd5 Bg6 32.Rg8 Kg8 33.Qd8 Kg7 34.Qh8#) 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2001.

3.Bb2 (--> 1.b4 c6 2.Bb2 b5 3.e4).

3.Nc3 a5 4.ba5 e5 5.Qf3 =.

3.Nc3 e5 4.Nf3 (4.a4=) 4...Qe7 (4...Bb4 5.Ne5 Qe7 6.Nf3–/+) 5.a3 (5.a4!?+=) 5...a5= 6.ba5 Ra5 7.d4 (better is 7.Rb1=) 7...Qf6 (better is 7...ed4!? 8.Qd4 d5=) 8.Bg5 (8.de5 Qg6+/–) 8...Qd6 (8...Qe6 9.de5 d6 10.Qd2+/–) 9.de5 (9.Ne5 Qe6+/–) 9...Qd1+= 10.Rd1 (10.Nd1 d6+/–) 10...Ra3 11.Bd2 (11.Nb1 Ra2+=) 11...Bb4 (11...d6 12.ed6 Bd6 13.e5=) 12.Nb1 Bd2 13.Nfd2 (13.Kd2 Ra1+=) 13...Ra4 (13...Ra7 14.Nc3+=) 14.Bd3 Rd4 (14...Ba6 15.Nc3 Ra3 16.Ndb1=) 15.0–0 (15...d5 16.Nb3 Re4 17.Be4 de4 18.Nc3+/–; 15.Nc3 d6+/–) 1–0. lim2 – riverborne, Caissa.com, 2004.

3.Nc3 e6 4.Rb1 a5 5.ba5 b4 6.Nce2 Qa5 7.Bb2 d5 8.ed5 Qd5 9.Nc1 Ba6 10.Qf3 Bf1 11.Qd5 cd5 12.Kf1 Nc6 13.Nf3 Ra5 14.Ke2 Nf6 15.Bf6 gf6 16.Re1 Be7 17.Rb2 f5 18.Nb3 Ra7 19.Nbd4 Nd4 20.Nd4 Ra4 21.Nc6 Bd6 22.h4 (Better is 22.Reb1=) 22...Kd7–/+ 23.Nd4 Rha8 24.Kd3 Ra2 25.Ra2 Ra2 26.f3 Be7 27.h5 Ra3 28.Ke2 Ra8 29.Kd3 Rg8 30.Ra1 Bc5 31.Nb3 Bb6 32.Ra4 Rg2 33.Rb4 Bc7 34.c4 dc4 35.Rc4 Bg3 36.Nc5 Ke7 37.Ra4 Rf2 38.Ke3 Rh2 39.d4 Rh5 40.Ra7 Kf8 41.Nd3 Kg7 42.f4 Rh4 43.Rd7 Bh2 44.Kf3 Kf8 45.d5 Rh3 46.Ke2 Ke8 47.de6 fe6 48.Rd4 Bg1 49.Rb4 Re3 50.Kd2 Re4 51.Kc3? (51.Rb7 h5–+) 51...h6 52.Ne5? Rb4 53.Kb4 Be3 54.Ng6 h5 55.Kc4 Kf7 56.Ne5 Kf6 57.Nd7 Kg7 58.Nc5 Bc5 59.Kd3 h4 60.Ke2 Ba3 61.Kf3 Bc1 62.Kf2 Bf4 63.Kg2 e5 64.Kh3 e4 65.Kg2 h3 66.Kh3 e3 67.Kg2 e2 68.Kf2 e1Q 69.Ke1 Bg3 70.Ke2 Kf6 71.Kf3 f4 72.Ke4 Kg5 73.Kd4 f3 74.Ke3 f2 75.Ke2 Kf4 76.Kf1 Ke3 77.Kg2 Bh4 78.Kh3 f1Q 79.Kh4 Kf4 80.Kh5 Qa6 81.Kh4 Qh6# 0–1. Hossa (2300) – Radon (2420), ICS Rated blitz match, 1998.

3.d4 e5 4.c3 (4.Nf3!?+/–) 4...ed4= 5.Qd4 (worse is 5.cd4 Nf6 6.Bd3 Bb4 7.Bd2 Qe7+=) 5...Nf6 6.Bg5 Be7 7.c4? (7.Nf3!? 0–0 8.Nbd2=) 7...Bb4 (7...c5 8.bc5 Nc6 9.Qe3 Qa5 10.Nd2 bc4 11.Ngf3–/+) 8.Nd2+= Bd2 (8...Qe7 9.Bf6 gf6 10.cb5+=) 9.Qd2 (9.Kd2 0–0 10.Bf6 gf6+=) 9...Ba6 (9...h6!? 10.Bf6 Qf6+=) 10.e5 Qe7 (10...Ne4 11.Bd8 Nd2 12.Kd2 Kd8+=) 11.f4 (better is 11.Qe2!? h6 12.ef6 Qe2 13.Ne2 hg5 14.fg7+=) 11...h6 12.cb5? (12.Bf6 gf6 13.cb5 cb5 14.Nf3=) 12...Bb5?? (12...hg5 13.ba6 Ne4 14.Qd4–+) 13.Bb5?? (13.Bf6 gf6 14.Nf3 0–0=) 13...cb5?? 14.0–0–0?? hg5 15.ef6 gf6?? 16.Qd5 Nc6–/+ 17.Qb5?? gf4 18.Nf3 Qe3 19.Rd2 Rb8 20.Qa6?? Nb4 21.Qc4 0–0 22.Re1 Qb6 23.Qf4?? Rfc8 24.Kd1+= Rc6?? 25.Qg4+/– Kf8 26.Qd7?? Re6 27.Re6= fe6 28.Rd6 Qa5 29.Re6 Qa2?? 30.Qd6 Kg7 31.Qb8 Qc2 32.Ke1 Nd3 33.Kf1 Qf2# 0–1. soltys84 – soltpl, Gameknot.com, 2013.

3.Nf3 a5 4.ba5 Qa5 5.Nc3 =.

3.Nf3 d6 4.h3 (4.a4!? Nf6 5.ab5 Ne4 6.d3+=) 4...a5= 5.ba5 Qa5 6.Bb2 (6.c4 Nf6=) 6...Qb4 7.Bc3 (7.Bd4!?=) 7...Qe4–/+ 8.Be2 e5 9.0–0 (9...b4 10.Bb2–/+). iboyd (1950) – nay (2190), net–chess.com, 2006.

2.e4 Nc6

3.Bb5 a6 4.Bc6+/– dc6 5.d4 Rb8 6.c3 Be6 (6...e5!? 7.a3 Nf6+/–) 7.Nf3+– 1–0. bogardan – horsehold, ChessWorld.net, 2013.

3.Bb5 Bb7 4.Bc6 Bc6 5.Nc3 e6 6.b5 Bb7 7.Nf3 c6 8.bc6 Bc6 9.Rb1 Rb8 10.Rb8 Qb8 11.0–0 Bc5 12.Qe2 Ne7 13.d4 Bb4 14.Bd2 0–0 15.Rb1 a5 16.a3 f5 17.ab4 ab4 18.Ne5 fe4 19.Ne4 Nd5 20.Nc6 dc6 21.Bb4 Nb4 22.c3 Qc7 23.Rb4 Qf4 24.Rb7 Qc1 25.Qf1 Qf1 26.Kf1 Rf4 27.Ng5 1–0. Woschkat,Karl_Heinz – Butt,Christian, TWO 1.67 (year?).

3.c3 a6 4.d3 a5 5.ba5 (5.d4 ab4 6.Bb5 e5+=) 5...Na5 (5...Nf6 6.Nf3=) 6.d4+= Bb7 7.e5 (7.f3 Nc4 8.Qb3+=) 7...Nc6 (better is 7...Bd5!? 8.Nd2 e6=) 8.Bb5+/– Na7 (better is 8...Ra5 9.Qb3 Nd4 10.cd4 Rb5 11.Qb5 Bg2–/+) 9.Bc4?? (9.Bf1 Rb8+/–) 9...e6?? (better is 9...Bg2 10.Bf7 Kf7 11.e6 de6–+) 10.Nf3+– h6 (10...d6 11.0–0+–) 11.Qb3 (better is 11.0–0+–) 11...Qe7?? (11...Bf3 12.gf3 Ne7 13.Nd2+/–) 12.0–0 (12.Qb7 Qd8+–) 12...g6?? (better is 12...Bf3 13.gf3 d5+/–) 13.Qb7+– Qd8 14.Nbd2 1–0. jlvanoster – fasan, net–chess.com, 2003.

3.c3+= d6 4.Bb5+– Bb7 (4...Bd7 5.d4+–) 5.d4 d5 6.Qa4 (6.Nf3 a6 7.Bc6 Bc6+–) 6...Qd7 7.Nd2 (7.ed5 Qd5 8.Nf3 a6+–) 7...a6+/– 8.Bd3 e6 (8...e5 9.ed5 ed4 10.Be4+/–) 9.Ne2 (9.ed5 Qd5 10.Ngf3 Nf6+–) 9...Be7 (9...Nf6 10.ed5 Nd5 11.0–0+/–) 10.0–0 (10.ed5 Qd5 11.Nc4+–) 10...Bg5 (10...Nf6 11.Re1+/–) 11.b5 (better is 11.ed5!? ed5 12.Nb3+–) 11...ab5 12.Qc2 Nd8 13.Rb1+/– c6 14.ed5 Qd5 15.c4 bc4? 16.Be4+– Qd7 17.Nc4 Bc1 18.Nb6 Qc7 19.Na8 Ba8 20.Rbc1 Nf6 21.Bd3 0–0 22.Rfe1 h6 23.Qa4 Bb7 24.Nc3 Ng4 25.g3 f5 26.Qc4 Kh8 27.Qc5 Qf7 28.a4 f4 29.Bg6 Qg8 30.Re4 e5 31.de5 fg3 32.Rg4 gf2 33.Kf1 Bc8 34.Rh4 Ba6 35.Ne2 Ne6 36.Qe3 Ng5 37.Qg5 Be2 38.Ke2 f1Q 39.Rf1 Qa2 40.Qd2 Qd2 41.Kd2 Rf1 42.Rd4 Rf2 43.Kd3 Rf8 44.e6 (44...Ra8 45.e7 Rg8 46.Rd8 c5 47.Rg8 Kg8 48.e8Q#) 1–0. Gilkarste – JAY2PLAY, ChessWorld.net, 2005.

3.c3+= Nf6!? +=.

3.Nc3 a5 4.Nb5 ab4 5.Nf3 =.

3.Nc3 d6? 4.Qf3 (better is 4.Bb5 Bd7 5.Rb1+/–) 4...e5 (better is 4...a6!?=) 5.Bb5+/– (5.Bb5 Bd7 6.Rb1+/–) 1–0. ReBach – Fournier,Frederic, ICC, 2005.

3.d4 e5 4.de5 Ne5 5.a3 =.

3.d4 g6 4.Bb5 Bg7 5.c3+– a5 6.Nf3 ab4 7.0–0 bc3 8.Nc3 e5? 9.Bc6+– dc6 10.Ne5 c5 11.Be3 Be5 12.de5 Qd1 13.Rfd1 Bg4 14.f3 Be6 15.Bc5 Ne7 16.Nb5 Ba2 17.Nc7 Kf8 18.Na8 Bc4 19.Nb6 Bb3 20.Nd7 Ke8 21.Ra8 Nc8 22.Rc8# 1–0. Taulien,Christian (1945) – Maik,D, remoteschach.de, 2004.

3.Bb5 Nb4

4.a3 Na6 +=.

4.a3 Rb8 5.Nc3 Nc6 +=.

4.Ba3 Rb8= 5.Nc3 c6 6.Bb4+= cb5 7.d4?? Ba6?? 8.Nf3 Rb6 9.Bc5 Qc8 10.0–0 Rg6 11.Nh4 Re6 12.Re1 Rc6 13.Rb1 Rc5? 14.dc5+– Qc5 15.Nd5 g5 16.Nf3+– (16...Bg7 17.Qd2+–) 1–0. curinthia – wonderhorse, net–chess.com, 2006.

2.e4 e5

3.a3 a6 4.Bb2 Bb7 5.d3 Nc6 6.Nf3 d6 7.Be2 Nf6 8.h3 (8.Nc3 Be7=) 8...Be7 9.Nh2 (9.0–0 0–0=) 9...0–0=+ 10.c3 Re8 11.0–0 h6 (11...d5 12.Ng4=+) 12.f4 (12.Ng4!?=) 12...ef4–/+ 13.Rf4 d5 14.Nd2 de4 (14...Bd6!? 15.Rf3 de4 16.de4 Bh2 17.Kh2 Qd6 18.Rg3 h5–/+ (18...Ne4?! 19.Ne4 Re4 20.Bf3=+)) 15.Ne4=+ Ne4 16.de4 (16.Re4!? Qd6 17.Nf3=+) 16...Qd1 17.Rd1 Bd6 18.Rf2 Re4 19.Rdf1? (19.Bf3 Re7–/+) 19...Bh2?? (better is 19...Bg3–+) 20.Kh2–/+ Rae8 (20...f6 21.c4 Rae8 22.Bh5=) 21.Bf3 Re1 22.Bd5 Kh8?? 23.Rf7 Rf1= 24.Rf1 Rb8? 25.Rf7?? Ne5= 26.Re7 Bd5 27.Re5= c6 28.Re7 Ra8 29.g4 Kg8 30.Kg3 Kf8 31.Rc7+= a5 32.h4 ab4 33.cb4+/– g5 34.Rh7 gh4 35.Kh4 Re8 36.Rh6 Re4 37.Rf6 Ke7 38.Kh5 Bf7 39.Kg5+/– Be6 40.Rf4 Re2 41.Bf6 Kd6 42.Rd4 Bd5 43.Rd3 Kd7 44.Kh6+– Rh2 45.Kg7 Kc8 46.Re3 Ra2 47.g5 Kb7 48.g6 Rc2 49.Kf8 Kb6 50.Rg3 c5 51.bc5 Rc5?? 52.Bd4 Kc6 53.Bc5 Kc5 54.g7 Kc4 55.g8Q Bg8 56.Kg8 Kc5 57.Kf7 Kb6 58.Ke6 Ka5 59.Kd5 b4 60.ab4 Kb4 61.Rg8 Kc3+– 62.Rg4 Kd3 63.Rg3 Ke2 64.Kd4 Kf2 65.Ra3 Ke2 66.Rb3 Kd2 67.Rb2 Kc1 68.Rh2 Kd1 69.Ke3 Ke1 70.Rh1# 1–0. rodnel – iboyd (1950), net–chess.com, 2006.

3.a4 Bb4 4.Bb2 =.

3.a4 Bb7 4.Nf3 Be4 5.ab5 Bb4 6.Bb2 Qe7 7.Qe2 Nf6.

3.a4 c6 4.Qh5+= Qf6 5.Bb2 d6 (5...Na6!?+=) 6.ab5+/– cb5 (6...Qe7!?+/–) 7.Nc3+– a6 8.Bb5! ab5?? (better is 8...Bd7+–) 9.Ra8 g6 (9...Qd8 10.Rb8 Qc7 11.Rb5+–) 10.Qe2 (10.Rb8?! gh5 11.Rc8 Kd7 12.Rf8 Qg7 13.Rg8 Qg8+–) 10...Ne7 11.Rb8 Bh6 12.Nd5 Nd5 13.Rc8 Kd7 (13...Ke7 14.Rh8 Nf4 15.Qg4 Qh8 16.Qh4 Qf6 17.Qh6 Ng2 18.Kf1+–) 14.Rh8 Nb4 15.Qb5 Ke6 16.Re8 Qe7 17.Re7 Ke7 18.Qb4 1–0. Heini – chessenemy, internet, 2016.

3.Bb2 Bb7 4.Be5 Qe7 5.Nf3 Be4 6.Qe2 Bf3 7.gf3 =+.

3.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.e4 b5).

3.Bb5 Ba6 4.Ba6+/– Na6 5.a3 Rb8 (5...c5 6.b5 Nc7 7.Nc3+/–) 6.Nf3+– Bd6 (6...c5 7.Ne5 Qg5 8.Nf3 Qg2 9.Rg1+/–) 7.d4 Qe7 (7...Qf6 8.Qd3 (8.de5?! Be5 9.Ra2 Ne7+/–; 8.Ne5?! Be5 9.de5 Qe5+=) 8...Rb6 9.Nc3 (9.de5?! Be5 10.Ne5 Qe5+/–; 9.Ne5?! Be5 10.de5 Qe5+/–) 9...Bb4 10.ab4 Nb4 11.Qe2 ed4 12.Ra7+–) 8.Qe2 (8.Ne5?! Be5 9.de5 Qe5+=) 8...Rb6 9.Nc3 Nf6 (9...Bb4 10.ab4 Qb4 11.Qd2 (worse is 11.Ra6 Qc3 12.Kd1 ed4 13.Ra7 Rb8+–) 11...ed4 12.Nd5 Qd2 13.Kd2+–) 10.Na4 (10.Ne5?! Be5 11.de5 Qe5+/–; 10.de5?! Be5 11.Ne5 Qe5+/–) 10…Rb7 1–0. Whiterose – Lausten, ChessWorld.net, 2009.

3.Bb5 Bb7 4.f3 g5? (4...a6!? 5.Bc4 Qg5+=) 5.d4 (5.Bb2 Qf6 6.a3 c5+/–) 5...Bb4 6.c3 Ba5 7.a4 (7.de5 Qe7+/–) 7...h5 (7...ed4!? 8.Qd4 f6+=) 8.de5+/– a6 (8...Nc6!?+/–) 9.Bc4+– Nc6 (9...Qe7 10.Qb3 Bc6 11.Be3+–) 10.Qb3 Rb8 11.Bf7 Kf8 12.Bg6?? (better is 12.Bd5+–) 12...Ne5= 13.Ba3? d6 14.f4?? Be4 15.Be4 Rb3 16.fe5 (White claimed a win on time) (16.fe5 Nf6! 17.Bf5 Rc3 18.Kf2 Bb6 19.Kf1–+). Wally101 – rgp, ChessWorld.net, 2013.

3.Bb5 Qf6 4.Bb2 (4.a3 a5 5.ba5 Ra5+/–) 4...Bb4 5.c3 Bc5 6.Nf3 (6.d4!? Bb6 7.Nf3+=) 6...a6+= 7.0–0?? (better is 7.d4 ab5 8.dc5+=) 7...ab5–+ 8.Qb3 Ba6 (8...Nc6 9.Qb5 Ba7 10.Qe2–+) 9.a4? (9.Qd5 Qc6 10.Qe5 Kf8–+) 9...b4 (better is 9...ba4!? 10.Ra4 Nc6 11.Qa2–+) 10.cb4 Bf1 11.Kf1? (11.bc5 Bg2! 12.Kg2 Nc6 13.Ne5 Ne5–/+) 11...Bd4 12.Nd4 ed4 13.d3 Nc6 14.b5 Ne5 15.Nd2? Ng4 16.Nf3 Ne7 17.Bd4 Nh2! 18.Ke2 Qh6 19.Nh2?! f5 20.Nf3+= Qh5 21.Bg7+= Rg8 22.Be5 d6 23.Bd4 Rg2 24.ef5 Qf5 25.Rc1 Rc8 26.b6 Rb8 27.b7 (White claimed a win on time) (27.b7 c5 28.Be3–/+). WirralBoy – rgp, ChessWorld.net, 2013.

3.c3 a5 4.Nf3 =.

3.Nc3 a6 4.Nf3 (4.a3=) 4...d6 (better is 4...Bb4!? 5.a4 Bc3 6.dc3 Bb7+=) 5.Be2 (5.a4 ba4 6.Bc4 Nd7+/–) 5...Be6 (5...Nf6 6.a4 c5 7.ab5 cb4 8.Nd5 Nd5 9.ed5+=) 6.d3 (6.a4!? c5 7.ab5 cb4 8.Nd5+=) 6...Nf6 7.Bg5 Be7 8.0–0 0–0 9.Nd5 (9.d4 ed4 10.Nd4 c5 11.Ne6 fe6 12.bc5 Qc7=) 9...Bd5 (9...Nd5 10.ed5 Bd5 11.Be3–/+) 10.ed5 h6 (10...Nd5!? 11.Bd2 Bf6+=) 11.Bf6= Bf6 12.Rb1 Bg5 (12...c6 13.c3=) 13.c4 Bf6 14.d4 e4 15.Nd2 Bd4 (15...Re8!?+=) 16.Ne4+/– Nd7?? (better is 16...Be5 17.f4 Bf6+/–) 17.Qd4+– Rb8 (17...bc4 18.Rfe1+–) 18.c5 (18.cb5 ab5 19.Nc3 Ne5+–) 18...Nf6 (18...Re8 19.c6 Qh4 20.f4+–) 19.Nf6 Qf6 20.Qf6 gf6 21.c6 Rbe8 22.Rfe1 Re5 23.Bf3 Kh7 24.Be4 f5 25.Bf3 Ree8 26.Re8 Re8 27.Kf1 Kg6 28.Rb3 Ra8 29.h4 Re8 30.h5 Kf6 31.g4 Kg5 32.Ra3 Ra8 33.Ra5 fg4 34.Be2 Kh5 35.Bb5! Rb8 36.Ba6 Rb4 37.Bc8 Rb1 38.Kg2 Kh4 39.Ra4 h5 40.f3 Rb2 41.Kf1 Kg5 42.fg4 hg4 43.Rg4 Kf6 44.Re4 Rb1 45.Ke2 Rb2 46.Kd3 Ra2 47.Kc3 Ra3 48.Kb4 Ra1 49.Rf4 Ke5 50.Rf7 Rb1 51.Kc3 Rc1 52.Kd2 Rb1 53.Be6 Rb2 54.Kc3 Rb5 55.Rc7 Rc5 56.Kb4 Kf6 57.Rb7 Ke5 58.c7 Ke4 59.c8Q Rc8 60.Bc8 Kd5 61.Rb5 Kc6 62.Bb7 Kc7 63.Kc4 Kd7 64.Kd5 Ke7 65.Rb6 Kf6 66.Rd6 Kf5 67.Re6 Kf4+– 68.Re5 Kg3 69.Rf5 Kg4 70.Ke5 Kh4 71.Rf3 Kg4 72.Be4 Kg5 73.Rg3 Kh4 74.Kf4 Kh5 75.Bg6 Kh6 76.Bd3 Kh5 77.Rg6 Kh4 78.Rh6 1–0. anklebuster (2140) – samantho (1805), net–chess.com, 2013.

3.Nc3 c6 4.Nf3 (4.a4 Bb4 5.ab5 Bc3 6.dc3 Bb7=) 4...Bb4+= 5.Ne5 (5.a4 ba4 6.Ra4 Bc3 7.dc3 d6=) 5...d6 (5...Qe7 6.Nf3 d5 7.e5–/+) 6.Nd3 a5 (6...Bc3 7.dc3 Qe7 8.Qe2+=) 7.Nb1 Na6 8.a3 Bc5 9.g3 (9.Bb2 Nf6=) 9...Be6 (9...Qf6 10.f3+=) 10.f4 (10.Nc5!? Nc5 11.Bg2=) 10...Bd4 11.Nc3 Qf6 (11...Nf6 12.Bb2–/+) 12.Rb1 (better is 12.Bb2+=) 12...Qg6?? (12...Bc3 13.dc3 Qc3 14.Qd2–/+) 13.Qf3?? (better is 13.f5 Bf5 14.ef5 Qf5 15.Bg2+/–) 13...Bg4+= 14.Qg2 Nf6?? (better is 14...Qh5 15.Be2 Bc3 16.dc3 Ne7+=) 15.e5+/– de5?? 16.Qc6+– Ke7 17.Qb5 Bc3 18.dc3?? Rhb8?? 19.Qa5?? Rb1–+ 20.Qe5 Be6 21.Kd2 Ng4 22.Qd4 Nc7 23.h3 Nf6 24.Bg2 Rd8 25.Qf2 Bc4 26.Qc5= Ke8 27.Qc4 Rb7?? 28.Re1 Kf8 29.Bb7 Ne6 30.Re3 Kg8 31.Qe6 fe6+= 32.Re6 Qg3–/+ 33.Re3 Qf4 34.c4 Qh2 35.Kc3+= Qf2?? 36.Nf2+– Rd7 37.Bc6 Rc7 38.Be4 h5 39.Bd3 Nd5 40.Kd2 Ne3 41.Ke3 g5 42.Bb2 h4 43.Ng4 Kf7 44.Be5 Ra7 45.c5 Ra3 46.Bb2 Ra8 47.Ke4 Ke6 48.Bc4 Kd7 49.Kf5 Kc6 50.Bd4 Ra4 51.Ne5 Kc7 52.Kg5 Rc4 53.Nc4 Kc6 54.Ne3 Kb5 55.c3 Kc6 56.Kh4 Kb5 57.Kg4 Kc6 58.h4 Kd7 59.h5 Ke7 60.h6 Kf8 61.h7 Kf7 62.h8Q Ke6 63.Qe5 Kf7 64.c6 Kg6 65.Qf5 Kh6 66.Qg5 Kh7 67.Qg7 1–0. yeatond (1655) – dyeaton (1900), net–chess.com, 2013. (=1.e4 b5 2.b4 e5)

3.c4 Bb4 4.cb5 a6 (4...Nf6 5.Bb2=) 5.Qa4 (5.Bb2 ab5 6.Be5 f6=) 5...a5 (5...Qe7 6.Nc3 Bb7 7.Rb1=) 6.Nf3 c6 (6...Bb7!? 7.a3 Bd6+=) 7.Ne5+/– 1–0. bjhaskins – bouffant, net–chess.com, 2003.

3.d3 Bb4 4.c3 Ba5 5.Qg4 –/+.

3.d3 g6 4.Be2 (4.Nf3 Nf6 5.a4+=) 4...Ne7 (better is 4...Bb4!? 5.c3 Bd6+=) 5.Nf3 Nec6 (5...a5 6.ba5 (6.Ne5?! Bg7 7.d4 ab4=) 6...Nbc6 7.Bd2+=) 6.a3 (6.a4 ba4 (6...Bb4? 7.c3 Bf8 8.ab5+–) 7.c3 Bg7+–) 6...Bg7 7.c3 (7.Bg5 f6 8.Be3 Nd4+/–) 7...d6 (7...a5!?=) 8.a4+/– a6 (better is 8...ba4!? 9.Bg5 Qd7 10.Qa4 Nd8+/–) 9.ab5+– Ne7 10.ba6 Ra6 11.Ba3 c5 12.0–0 0–0 13.Nbd2 h6? (better is 13...cb4 14.cb4 Bd7+–) 14.bc5 dc5 15.Bc5 Qc7 16.Be7 (16.d4!? Ra1 17.Qa1 ed4 18.cd4 Qc5 19.dc5 Ba1 20.Ra1 Kg7+–) 16...Ra1 17.Qa1 Qe7 18.Nc4 (18.d4 Rd8+–) 18...f5 19.d4 (better is 19.Qa8 Bb7 20.Qa2+–) 19...fe4? (better is 19...ed4 20.Nd4 fe4+/–) 20.Nfe5+– Nd7 (20...Kh7 21.Qa8 Nd7 22.Qe4 Ne5 23.Ne5+–) 21.Nc6 (better is 21.Ng6 Qe8 22.Nf8 Bf8 23.Rb1+–) 21...Qf6 22.N6e5 Qe6?? (22...Qe7 23.Ng6 Qg5 24.Nf8 Nf8+–) 23.Bg4+– Qe7 (23...Rf5 24.Bf5 gf5 25.Qa5+–) 24.Ng6 Qf6 (24...Qf7 25.Nf8 Bf8 26.Ne3+–) 25.Nf8 Qf8 26.Bd7 (better is 26.Qa2!? Kh8+–) 26...Bd7 27.Ne5 Bb5 (27...Bf5 28.Qa2 Kh7 29.Ra1+–) 28.Re1 Qf4 (28...Be5 29.de5 Bc6 30.Qa2 Qf7 31.e6+–) 29.Qa8 Kh7 30.Qe4 Qe4 31.Re4 h5 (31...Ba4 32.c4 Bb3 33.Re3 Bc4 34.Nc4 Bd4 35.Re7 Kg6 36.Re6 Kh7 37.g4+–) 32.h4 (32.c4 Ba4+–) 32...Bf6 (32...Ba6 33.c4+–) 33.Rf4 Kg7 34.c4 Be5 (34...Ba4 35.c5 Bb5 36.Rf5+–) 35.de5 Ba6 36.e6 Bc8 37.e7 Bd7 38.c5 Kg6 (38...Kh7 39.Rf7 Kh6 40.Rf8 Kg6 41.e8Q Be8 42.Re8 Kf5 43.c6 Kf6 44.c7 Kg7 45.Re6 Kf7 46.c8Q Kg7 47.Qd7 Kg8 48.Re8) 39.Rf8 Kg7 (39...Ba4 40.e8Q Be8 41.Re8 Kf5 42.c6 Kf6 43.c7 Kg7 44.Re1 Kg6 45.c8Q Kf7 46.Qf5 Kg7 47.Re7 Kh6 48.Qf6) 40.e8Q Be8 41.Re8 Kf7 (41...Kf6 42.c6 Kg6 43.c7 Kf5 44.c8Q Kf6 45.Qe6 Kg7 46.Rg8 Kh7 47.Qg6) 42.Re1 1–0. 19larry – pikelet, ChessWorld.net, 2014.

3.d4 c6 4.d5 (4.de5 Bb4 5.Bd2 Bc5=) 4...a6 (4...Nf6 5.c3 Ne4 6.a4 ba4 7.Ra4=+) 5.Nf3 (5.a3=) 5...d6 (better is 5...Bb4!? 6.c3 Bd6=+) 6.a4+= Bb7 (6...ba4 7.dc6 Nc6 8.c3+=) 7.ab5 (7.dc6 Nc6 8.ab5 ab5 9.Ra8 Ba8 10.Bb5 Nf6+–) 7...cb5 (7...ab5 8.Ra8 Ba8 9.Nc3+/–) 8.Nc3 (8.Bd3 f5+/–) 8...Nf6 9.Bg5 (9.Be2 Qc7 10.Ra3 Be7+/–) 9...Be7 10.Nh4 (better is 10.Be2+/–) 10...Bc8?? (better is 10...Nd5 11.Nd5 Bg5=+) 11.Bb5!+– Bd7 12.Bd7 Nbd7 13.b5 Qb6? 14.Bf6 Bf6+/– 15.Nf5 0–0 16.Qe2 Nc5 17.0–0+/– g6 18.Nh6 Kh8 19.ba6+– Ra6 20.Ra6 Qa6 21.Qf3 Kg7 22.Ng4 Be7 23.Qh3 h5 24.Ne3+– Qc8 25.Qc8 Rc8+/– 26.Nb5 Ne4=+ 27.c4 Nc5 28.f4 Nd7 29.fe5 Ne5=+ 30.Ra1 Nc4 31.Nc4 Rc4 32.Ra7 Kf6 (33.Rd7 Rc1 34.Kf2 Rc5=; 32...Rc1 33.Kf2 Bf6 34.Rd7 Bh4 35.g3+/–). juancabeta – rasputin, internet, 2005.

3.d4 Qh4 4.Qd3 ed4 5.Nf3 =.

3.Ne2 Bb4 4.c3 Ba5 5.d4 +=.

3.Ne2 g5 4.g3 (better is 4.Bb2!?+=) 4...g4 (4...Bb4!? 5.c3 Be7+=) 5.Nf4 0–1. Rodrigues,Antonio F – Paccione,Patrizio, IECC T email, 2001. (=1.e4 b5 2.b4 e5)

3.Nf3 Nc6 4.a4 (4.Bb5) 4...Bb4 (4...ba4!? 5.b5 Nd4+=) 5.c3+/– (5.Bb5?! Nge7+=) 5...Bc5 (5...Bd6 6.ab5 Nb8 7.d4+/–) 6.ab5+– (6.Bb5?! Qf6+=) 6...Nce7 7.Ne5 d6 8.Nf3 Bg4 9.d4 Bb6 10.h3 Bh5 11.Nbd2 Nf6 12.Bd3 0–0 13.0–0 Nd7 (13...c6 14.bc6 Nc6 15.Re1+–) 14.Qc2 Bg6 15.Re1 d5 (15...c6 16.Ba3 Qc7 17.bc6 Qc6 18.e5+–) 16.c4 de4 17.Ne4 Re8? 18.c5 Bc5 19.dc5 Nd5 20.Qc4 N5f6 21.Bg5 Qc8 22.Bf6 Nf6 23.Nf6 gf6 24.Nh4 Re1 25.Re1 Bd3 26.Qd3 Kh8 27.Qc3 Qg8 28.Qf6 Qg7 29.Qc6 (29.Qc6 Rg8 30.Qc7+–) 1–0. pierre – telsh, internet, 2010.

3.Nf3 f6 4.c3 (4.Bb5 Bb4 5.c3 Be7+=) 4...d5 (4...a5 5.Bb5 ab4 6.cb4 Bb4 7.Bc4=) 5.Bb5+/– c6 6.Ba4 (6.Bd3 de4 7.Be4 f5+/–) 6...Bd7 (better is 6...de4 7.Nh4 g6=+) 7.d4 de4 8.Nh4 g6 9.Qe2 (better is 9.de5!? fe5 10.g3=) 9...f5–/+ 10.g3 (better is 10.Nf5 Bf5 11.de5–/+) 10...Nh6?? (better is 10...ed4!? 11.Qc4 d3–/+) 11.0–0 (11.de5!? a5 12.a3+=) 11...ed4= 12.Bb2? (better is 12.cd4!? a5 13.ba5 Ra5 14.Bb3=) 12...d3–/+ 13.Qe3 (better is 13.Qd2–/+) 13...Be7 14.Qh6= Bh4 15.gh4+– Qe7 16.Bb3 Qf6 17.h5 Na6 18.a3 0–0–0+/– 19.f3 Qh4 20.Bc4 Nc7+/– 21.fe4?? Qh5?? 22.Qe3 Qg4+= 23.Qg3 Be6? 24.Nd2 h5? 25.Be6 Ne6 26.Kh1 Qg3+/– 27.hg3 h4 28.Kg2 Rdf8 29.c4 Rh5 30.c5 Rg5 31.Be5 f4+/– 32.Nc4 Rg3= 33.Kh2 g5 34.Nd6+/– Kd7 35.Nf5 Rf7? 36.Kh1 Rg4?? 37.Nh6+– (37...Ke7 38.Ng4+–) 1–0. ifairclough – quikeagle, net–chess.com, 2001.

3.Nf3 Qf6 4.Bb2+= c6 5.Be5 Qe6 6.d3 (6.Nc3 f6 7.Bb8 Rb8+/–) 6...Na6 (6...Bb4 7.c3 Bf8 8.a4+=) 7.a3 c5 (7...Nf6 8.Be2+/–) 8.c3 (8.bc5 f6 9.Bf4 Bc5 10.Nc3+–) 8...c4 (better is 8...d6!? 9.Bf4 d5+/–) 9.Nbd2 cd3 (9...d6 10.Bd4 d5 11.a4+–) 10.Bd3 Bb7 11.0–0 d6?! 12.Bb5 Ke7 13.Bg3 Nc7 14.Bc4 d5 15.ed5 Nd5 16.Re1 Ngf6 17.Re6 Ke6 18.Ng5 Ke7 19.Ndf3 Nc3 20.Qd3 Na4 21.Re1 Be4 22.Qd6 Ke8 23.Bb5 Nd7 24.Qd7 1–0. akadawn – crome, ChessWorld.net, 2005.

3.Nf3 Nf6 4.a3 (4.Bb5 Ne4 5.Qe2 Bb7+=) 4...a6= 5.Nc3 Nc6 6.Bb2 Bb7 7.d4 Qe7 (7...ed4!? 8.Nd4 Nd4 9.Qd4 Ne4 10.Ne4 Qe7=) 8.d5+= a5? (better is 8...Nd8+=) 9.dc6+– Bc6 (9...dc6 10.Bd3+–) 10.Bb5 Bb7 (10...ab4 11.Bc6 dc6 12.ab4+–) 11.0–0 (11.ba5 Ra5 12.Bd3 Qc5+–) 11...Ra7 12.Bc4 Ne4 13.Ne4 Ra8 14.Nc5 Rd8 15.Ne5 g6 16.Bf7 Qf7 17.Nf7 Kf7 18.Qd4 Kg8 19.Qh8 Kf7 20.Qh7 Ke8 21.Qg6 Ke7 22.Rae1 Be4 23.Re4 1–0. Fournier,Frederic (2180) – NN, Active, 2005. (=1.e4 b5 2.b4 e5)

3.Qh5 Nc6 4.Bb5 Nf6 =.

3.Qh5 g6?? 4.Qe5+– Qe7 5.Bb2 (better is 5.Qh8 Qe4 6.Kd1+–) 5...Bg7?? (better is 5...Qe5 6.Be5 f6+/–) 6.Qe7 (6.Qg7 Qe4 7.Kd1 Nc6+–) 6...Ne7 7.Bg7 Rg8 8.Bf6 c6 (8...Bb7 9.Nc3 (< 9.Bb5 Be4 10.f3 Bc2+–) 9...a6 10.a4+–) 9.Nf3 (9.a4 ba4 10.Ra4 d6+–) 9...d5 10.Nc3 Nd7 (10...a5 11.ed5 ab4 12.d6+–) 11.Bh4 (11.Be7 Ke7 12.ed5 cd5 13.Nd5 Kd6+–) 11...f6 (11...a5 12.ed5 ab4 13.dc6 bc3 14.cd7 Bd7 15.dc3+–) 12.ed5 Nd5 13.Nd5 cd5 14.Bb5 Rb8 15.a4 a6 16.Bc6 Rb4 17.Bd5 Rf8 18.0–0 (18.c3 Rb6+–) 18...g5 19.Bg3 Nb6 20.Rfe1 Kd8 21.Bd6 Re8 22.Bc6 22...Re1 23.Re1 Na4 24.Re8# 1–0. ifairclough – quikeagle, net–chess.com, 2002.

3.Bb2 Bb4

4.Be5 f6 5.a3 Bc5 6.Bb2 a6?? (6...Qe7 7.Nc3 c6 8.d4+=) 7.c4 (7.Qh5 g6 8.Qc5 d6+–) 7...Bb7?? (better is 7...Qe7 8.Qh5 g6=) 8.Qh5+– g6 9.Qc5 d6 (9...Be4 10.Qe3 Qe7 11.Nc3+–) 10.Qe3 Nc6 11.cb5 Ne5 12.Nf3 Ne7 13.Ne5 de5 14.Bc4 ab5 15.Bb5 c6 16.Bc4 Ba6 17.Ba6 Ra6 18.Qb3 Rb6 19.Qc2 Qb8 20.Bc3 Kf7 21.0–0 c5 22.d3 Qb7 23.Nd2 Rb8 24.Nc4 Ra6 25.Rfb1 Qc7 26.Rb8 Qb8 27.Rb1 Qc8 28.f3 Qc7 29.Qb3 Kg7 30.Qb7 Qb7 31.Rb7 Kf7 32.Rb5 Rc6 33.a4 g5 34.Rb6 Kg6 35.Rc6 Nc6 36.a5 Nb8 37.Nd6 Na6 38.Kf2 Kg7 39.Nb7 Kf7 40.Bb2 Ke7 41.Ba3 Kd7 42.Nc5 Nc5 43.Bc5 Kc8 44.a6 Kb8 45.d4 Kc8 46.a7 Kb7 47.g3 h5 48.Ke3 (48...Ke3 ed4 49.Bd4+–) 1–0. Istvanny (1660) – tuaku, internet, 2007.

4.Be5 f6 5.Bb2 Bb7?? 6.f3?? (better is 6.Qh5 g6 7.Qb5+–) 6...d5 (6...a6 7.c4=) 7.ed5 Qd5 8.Nc3 Bc3 9.Bc3+= Nc6 10.Bd3 b4 11.Bb2 0–0–0 12.Ne2 Ne5 13.0–0?? Nd3–/+ 14.cd3 Qd3 15.Ng3 Qd2 16.Qd2 Rd2–+ 17.Bc1 Rd5 18.Be3 a5 19.Ne4 Re5 20.Bf4 Re7 21.Nc5 g5 22.Bg3 Ba6?? 23.Na6+/– c6 24.Rac1 Kd7? 25.Rfd1 Ke8 26.Rc6 Kf7 27.Rd5 h5 28.Ra5 Re6 29.Re6 Ke6 30.Nb4 Ne7 31.Ra6 Kf7 32.Ra7 Re8 33.Nd5 (33...Ke6 34.Nc7 Kf7 35.Ne8 Ke8 36.a4+–) 1–0. helrobe – Master1, mySchach.de, 2005.

4.Be5 f6 5.Bb2 Qe7 6.Qh5 Kd8 7.Qb5 Qe4 8.Kd1 Ba6 –+.

4.Be5 f6 5.Bb2 Qe7 6.Qh5 Kd8 7.f3 =.

4.Be5 f6 5.c3 Bf8 6.Bd4 +=.

3.Bb2 Nc6

4.a3 a6 5.Qg4 d5 6.Qg3 (6.Qe2 d4=+) 6...de4 7.Nc3 (7.Be5 Ne5 8.Qe5 Qe7 9.Qd5=+) 7...Nd4 (7...f5 8.f3 ef3 9.Nf3 e4 10.Bb5 ab5 11.Nb5 Ra4 12.Nc7 Kf7 13.Ng5 Ke7+/–) 8.Qe5= Be6 (8...Ne7 9.0–0–0 f6 10.Qe4 Bf5=) 9.Qe4 (9.Rc1 c5 10.bc5 Nc6 11.Qe4 Rc8+/–) 9...f5 (better is 9...Nf6 10.Qd3 Bf5=) 10.a4?? (better is 10.Qd3+/–) 10...fe4–+ 11.0–0–0 (11.Rc1 Bb4 12.ab5 ab5 13.Ne4 Ba3 14.Ba3 Ra3–+) 11...ba4 (better is 11...Bb4 12.Ne4 ba4 13.Ne2–+) 12.Na4 Bb4 13.c3 Bb3 14.Re1 Ba4 15.cb4 Nb3 16.Kc2 Qd2 17.Kb1 Qe1 18.Ka2 Qf1 19.Bg7 Qg2 20.Bh8–+ Qh1 21.Nh3 Nc1 22.Ka3 Bd7 23.Ng5 Qh2 24.Ne4 a5 25.b5 Bb5 26.Bb2 Nd3 27.Bd4 Rd8 28.Be3 Qh1 29.Ng5 Qa1 30.Kb3 Nf2! 31.Bf2 Rd3 32.Kc2 Qa2 33.Kc1 Qf2 34.Ne4 Qe3 35.Kc2 Qe4 36.Kc1 Qe2 37.Kb1 Rd1# 0–1. laure – donsjostedt, net–chess.com, 2004.

4.a3 Qf6 5.f3 (5.Nc3 a6+=) 5...Nd4 6.h3?? (better is 6.c3!? Ne6 7.d4+=) 6...c6 (6...Qh4 7.g3 Qg3) 7.c4?? (7.g3!?=+) 7...bc4 (7...Qh4 8.g3 Qg3) 8.Bc4–/+ a5 9.ba5 (9.g3 Nh6–/+) 9...Ra5 (9...Qh4 10.Kf1 Bc5 11.Ne2–+) 10.d3 d5 11.ed5? (11.Bd4 ed4 12.Qd2 Qh4 (12...dc4?! 13.Qa5 cd3 14.Qc7=) 13.Kf1 Qd8 (13...dc4?! 14.Qa5 cd3 15.Qe5 Qe7 16.Qd4+=) 14.ed5 cd5 15.Qe1 Ne7–+) 11...cd5 (11...Qh4 12.Kd2 Qg5 13.Ke1 cd5 14.Bd4 dc4 15.Bc3 Qg2 16.Ba5–+) 12.Bb3? (12.Bd4 ed4 13.Bb3 Bd6–/+) 12...Qc6 (better is 12...Qh4 13.Kd2 Nf6–+ (13...Nb3 14.Qb3 Qg5 15.Kd1 Qg2 16.Qc3–+)) 13.Ne2 Nc2?? (better is 13...Nb3 14.Qb3 Rb5–+) 14.Qc2+– Qc2 15.Bc2 d4 16.0–0 (16.f4 f6+–) 16...Ne7 17.f4 f6 18.Nd2 Nf5 19.Ne4 (19.Nc4!? Rc5+–) 19...Bb7 (19...Ne3 20.Rfc1 Ba6+–) 20.fe5 Ne3 21.Rf2 (better is 21.Nd4!? fe5 22.Rf5 Nf5 23.Nf5 Be4 24.de4 g6+–) 21…Nc2 (22.Rc1 Be4 23.de4 d3+–) +–. riser – thegojoe, Live Game Caissa's Web, 2004.

4.Bb5 Nb4 5.Be5 Qe7 6.Nf3 +=.

4.Bb5 Nd4 5.Ba4 (5.Bc4 Qh4 6.Bd3+=) 5...Bb4? (better is 5...Qh4 6.d3 Bb4 7.c3 Ba5=) 6.c3+– Nf6? (6...Qh4 7.g4 Bb7 8.cb4 Be4 9.Bd4 ed4+=) 7.cd4 Ne4 8.Nf3 (8.a3!? Be7 9.de5 0–0+–) 8...ed4 9.Bd4 Qe7 (9...0–0 10.0–0+–) 10.0–0 0–0 11.d3 (11.Re1 Bb7+–) 11...Nc5 12.a3 Ba5 13.Nc3 (13.Nbd2 Ne6 14.Bb2 Bb7+–) 13...Ba6 (13...Bb7 14.Re1 Ne6 15.Nd2+–) 14.Re1 Qd6 15.Ne4 Ne4 16.Re4 Bb7 17.Be5 Qg6 18.Nh4 Qg5 19.Qg4 Qg4 20.Rg4 f6 21.Bc7! Bc7 22.Bd7 Rad8?? 23.Be6+– Kh8 24.d4 Rfe8?? 25.Rd1 Re6–+ 26.Nf5 Rde8 27.f3 g6 28.Nh6 Re3 29.d5 Bd6 30.Nf7+– Kg7 31.Nd6 Rb8?? 32.Nb7 Rb7 33.d6 Rd7+/– 34.Re4 Ra3 35.Rc4 Kf7 36.Rc7 Ke8 37.Rc8= Rd8 38.d7 Ke7= 39.Rc7 a5 40.Re1 Kd6 41.Rec1 ½–½. gtate (1700) – cwhite (1640), net–chess.com, 2002.

4.Bb5 Qg5 5.Bc6 dc6 +/–.

4.Nf3 a6!? +=.

4.Nf3 d6 5.Bb5+/– Bd7 6.0–0 (6.c3+/–) 6...Nb8? (better is 6...Rb8!? 7.Na3 Nf6+=) 7.Nc3 (7.Bd7 Nd7 8.d4 Ngf6+–) 7...Nf6 (7...Bb5 8.Nb5 Nf6 9.d4 Ne4 10.de5 de5 11.Qd8 Kd8 12.Ne5+–) 8.Qe2 g6 9.a3 Bg7 10.Qd3 0–0 11.Bc4 Re8 12.Rfe1 Be6 13.Be6 Re6 14.Qc4 Re8 15.Ng5 Qd7 16.Nd5 Nd5+/– 17.Qd5 Nc6 18.Nf7!+– (18...Qf7 19.Qc6+–) 1–0. Fabbri (1695) – rasputin, Chesshere.com, 2005.

3.Bb2 d6

4.Bb5+= c6 5.Bc4 +=.

4.Bb5+/– c6 5.Bd3 Na6 6.a3 Rb8 7.Nc3 c5? (Better is 7...Nf6+/–) 8.Bb5+– Ke7?? (8...Rb5 9.Nb5 Qb6+–) 9.Nd5 Ke6 10.Qg4 f5 11.Qf5 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2001.

4.Bb5+= Bd7 5.a4 a6 6.Bc4 Nf6 7.Nc3 Be7 8.Qf3 Nc6 9.Nce2 Nb4=+ 10.Rc1 Bg4 11.Qb3= Nc6 12.Bf7+/– Kf8 13.c3?? Na5 14.Qa2= Qd7 15.f3 Bh5 16.Bd5 Rb8= 17.Ng3 Nc6?? 18.Be6 Qd8? 19.Nh3 Be8 20.0–0 Bd7? 21.Ng5 Be8 22.Bd5 Qc8 23.Ne6 Kg8 24.Nc7 Kf8 25.Na6?? Qa6=+ 26.f4?? ef4 27.Rf4 Qb6 28.d4 Qb2 29.Qb2 Rb2 30.Nh5 Bh5 31.Bc6 Kg8 32.e5 de5 33.de5 Bc5 34.Kh1 Be3 35.Bd5 Nd5 (36.Rff1 Bc1 37.Rc1 Ne3–+) 0–1. icewater – smoothstone, Live Game Caissa's Web, 2005.

3.Bb5 a6

4.Bc4 Bb4 5.c3 Bc5 (5...Bf8 6.d4+=) 6.Nf3 (6.d4!? Bb6 7.de5+/–) 6...Nc6+= 7.0–0. bogardan – Unicorn5, ChessWorld.net, 2013.

4.Bc4 Bb7 5.d3 Bb4 6.Bd2 (better is 6.c3!? d5 7.Bd5 (7.cb4?! dc4 8.dc4 Qd1 9.Kd1 Be4+=) 7...Bd5 8.cb4+/– (8.ed5?! Qd5 9.Qf3 Qf3 10.Nf3 Bd6=)) 6...Bc5 7.Nc3 Qf6 8.Nh3 Qg6 9.0–0 Ne7 10.Rb1 Bc6 11.Bg5 f6 12.Bh4 (better is 12.Bd2+=) 12...Nf5–/+ 13.Nd5?? (13.Bg3 Ng3 14.hg3 Qg3 15.Rb3+=) 13...Nh4–+ 14.g3 Bd5 15.Bd5 c6 16.Bc4 d6 17.Be6? Ke7 18.Bg4 h5 19.Be2 f5 20.Kh1 fe4 21.gh4 ed3 22.Bd3 Qg4 23.Qg4 hg4 24.Ng5 Rh4 25.Kg2 Kf6?? 26.Ne4= Ke6 27.Kg3 Rh3 28.Kg2 Ke7 29.f3?? Rf3 30.Rf3 gf3–+ 31.Kf3 Ba7 32.Ke2 d5–+ 33.Ng5 e4 34.Rb7 Kf6 35.Nh7 Kg6 36.Nf8 Kf6 37.Nd7?? Nd7–+ 38.Rd7 ed3 39.cd3 Re8 40.Kf3 Bc5 41.Kf4 g5 42.Kg4 Re3 43.Rc7 Re6 44.a4 a5 45.Rh7 Kg6 46.Rh3 Re3 47.Rf3 Rf3 48.Kf3 Kh5 (48...Kh5 49.h3 Bd6–+) 0–1. 488 – Daz101, ChessWorld.net, 2012.

3.Bb5 Bb4

4.Ba3 Ba3 5.Na3 c6 6.Ba4 Nf6 7.d3?? (7.Nc4 0–0 8.Qf3 Ba6=+) 7...0–0 (7...Qa5 8.Qd2 Qa4 9.Nb1–+) 8.Rb1?? (8.Ne2 Qa5 9.c3 d5 10.ed5 cd5–/+) 8...d5 (8...Qa5 9.Qd2 Qa4 10.Qb4 Qb4 11.Rb4–+) 9.f3?? (better is 9.Qd2–/+) 9...Nbd7 (better is 9...Qa5 10.Qd2 Qa4–+) 10.Bc6= de4 (better is 10...Rb8 11.Bd7 Bd7 12.Rb8 Qb8=+) 11.Ba8+/– Qa5 12.c3! Qc3 13.Ke2 (better is 13.Qd2 Qa3 14.Rb3+/– (< 14.de4 Nb6=; < 14.fe4 Nc5–/+)) 13...Qa3=+ 14.Qb3 (better is 14.Be4!? Qa2 15.Kf1=+) 14…Qb3 (15.Rb3 ed3 16.Ke3 Nb6–/+) 0–1. targab (2000) – elusiveknight, net–chess.com, 2001.

4.Bb2 Bb7 5.Be5 Be4?? 6.Qg4 Nf6 7.Bf6 Qf6 8.Qe4 Qe7 9.Qe7 Be7 10.Nc3 +–.

4.Bb2 Bb7 5.Be5 Be4?? 6.Bg7 Qg5 7.Qe2 Qg2 +–.

4.Bb2 Bb7 5.Be5 Nf6 +/–.

4.Bb2 Bb7 5.Be5 Qg5 +/–.

4.Bb2 Qe7 5.Qg4 (5.Nf3 Nf6+=) 5...g6 (5...Nf6 6.Qe2=) 6.Nc3 (6.Nf3 Nc6 7.Qg3 Rb8 8.Bc6 dc6 9.Qe5 f6 10.Qe7 Be7+/–) 6...Nf6= 7.Qh4 c6 (7...Nc6 8.Bd3+=) 8.Bc4 (8.Be2 Na6=) 8...Bc3 (8...d5 9.Be2+=) 9.Bc3 a5? (9...d5 10.ed5 cd5 11.Bb3=) 10.Qg5 (better is 10.Nf3 d6 11.d4+/–) 10...d6= 11.Nf3 (11.Bd3 Nbd7=) 11...Be6 (better is 11...Ne4!? 12.Qh6 Nc3 13.dc3 Bg4+=) 12.Be6+= Qe6 13.d3 Nbd7 14.Qd2 Nh5 15.Ba5 (15.g3 0–0=) 15...Nf4 16.Bc3? (better is 16.0–0=) 16...Ng2–+ (16...Ra2?! 17.Ra2 Qa2 18.g3=) 17.Kf1 (17.Kd1 Qf6 18.Qe2 Nf4–+) 17...Nf4 18.Qc1?? (better is 18.h3 Ra2 19.Ra2 Qa2 20.Kg1–+) 18...Qh3 19.Ke1 Qf3 20.Rf1 Ng2 (20...Qe2) 21.Kd2–+ Qf4 (better is 21...0–0!? 22.Qd1 Qf4 23.Ke2 Qg4 24.f3 Nf4 25.Kf2 Qh4 26.Kg1 Qg5 27.Kf2–+) 22.Kd1 Qc1 (better is 22...Qh2 23.Qg5–+) 23.Kc1 0–0 24.Rg1 Nf4 25.Bd2 (25.Kd2–+) 25...Ne2 (25...Ne2 26.Kd1 Ng1–+) 0–1. smoothoperator (2160) – pwillows (2180), net–chess.com, 2014.

4.c3 Bc5 5.d4 ed4 6.cd4 Bb4 7.Bd2 Bd2 8.Nd2 Nf6 9.Qb3 0–0 10.e5 Ng4 11.Ngf3 (11...c6 12.Bd3+=). NZ cricketer – Zamoht, ChessWorld.net, 2005.

4.c3 c6 5.Bc4 Bc5 6.d4 ed4 (6...d5 7.dc5 dc4 8.Qd8 Kd8 9.Nd2 Be6 10.Ngf3 Nd7 11.Ba3= 0.25) 7.cd4 (7.Bf7 Kf7 8.Qh5 g6 9.Qc5 Nf6 10.e5 d6 11.Qd4= 0.22) 7...Bb4 8.Bd2 Bd2 9.Nd2 Ne7 (9...d5 10.ed5 cd5 11.Qf3+= 0.41) 10.Ngf3 (10.e5 0–0 11.Qh5+= 0.41) 10...0–0 (10...d5 11.ed5+= 0.34) 11.0–0 (11.Be2+= 0.38) 11...d5 12.Bd3 Bg4 13.e5 Qd7 14.Nb3 h5 15.Nc5 Qc8 16.h3 Bh3 (better is 16...Bf5!?+/–) 17.gh3+– Qh3 18.Nh2 g5 19.Qf3 Qh4?? (19...Qf3 20.Nf3 g4 21.Nh4+–) 20.Qg3 (20.Qf6 Na6 21.Na6 Qd4 22.Qg5 Ng6 23.Bg6 fg6 24.Qg6 Kh8 25.Qh5 Kg8+–) 20...Qg3 21.fg3 Kg7 22.Rab1 Rd8 23.Rb7 Kf8 24.Nf3 g4 25.Ng5 Ke8 26.Nf7 Nd7 27.Nd6 1–0. Koper,Konrad (1660) – Lisiecki,Robert, Poznan Poland, 2010.

4.c3 Be7 5.Qh5 c6 6.Bc4 g6 (6...d5 7.ed5 cd5 8.Qe5 dc4 9.Qe4–+) 7.Qf3 (better is 7.Qe5!? Nf6 8.Nf3+/–) 7...Nf6= 8.Ne2 d6 9.d4 Bg4 10.Qd3 d5 11.ed5 cd5 (better is 11...e4!? 12.Qg3 cd5=) 12.Bb5+/– Nbd7 (better is 12...Bd7!? 13.de5 Bb5 14.Qb5 Qd7+/–) 13.de5+– Nh5 14.Qd5 Be6 15.Bd7 Qd7?? (better is 15...Bd7 16.0–0 Be6 17.Qc6 Bd7+–) 16.Qa8 Bd8 17.0–0 Bc4 18.Qe4 Bd5 19.Qd4 0–0 (19...f6 20.Rd1 Be6 21.Be3 fe5 22.Qd7 Bd7 23.Ba7+–) 20.Bh6 (better is 20.Rd1 Qb5 21.Qd5 Qe2+–) 20...Re8 (20...Bb6 21.Qb4 Re8 22.Nd4+–) 21.Nd2 (better is 21.Rd1 Nf6 22.Nf4 Bc6 23.ef6 Bf6 24.Qd7 Bd7+–) 21...Bc7 22.Nf4 Rd8 23.Nh5 Qf5 24.Nf6 Kh8 25.f4 Bb6 26.Qb6! ab6 27.c4 Be4 28.Nfe4 Qh5 29.Bg5 Rd7 30.Nf6 Qe2 31.Nd7 Qd2 32.Nb6 Qb4 33.Rab1 Qc5 34.Kh1 Qf8 35.Nd7 Qa3 36.Bf6 Kg8 37.Rb8 Qf8 1–0. Patrick F – gordiemac, ChessWorld.net, 2012.

4.Bc4 Nh6 5.a3 Be7 6.Qf3 (6.d4 ed4 7.Bh6 gh6 8.Qd4 Rf8+=) 6...f6 (better is 6...Nc6!?=) 7.Qh5+/– Kf8 8.d3 Qe8 9.Bh6?? (better is 9.Qe8 Ke8 10.Nc3+/–) 9...Qh5–+ 10.Bd5 (10.Be3–+) 10...Qh6 11.Ba8 (11.Ne2 c6 12.Bc4–+) 11...c6 (11...Qc1 12.Ke2 Qb2 13.Nf3 Qa1 14.Re1–+) 12.a4 Kf7 13.a5 Ba6 14.Nc3 g5 15.Na4 Bb4 16.Ke2 Qf8 17.Rb1 h6 18.Nf3 Bb5 19.Nb2 Qc5 20.Rhc1 Ba5 21.Ra1 Na6 22.Ra5 Qb4 23.Ra2 Ra8 24.Rb1 h5 25.Raa1 h4 26.Na4 Qa5 27.Nc5 Qc3 28.Nd7 Qc2 29.Nd2 Qd3 30.Kd1 Ba4 31.Ke1 Ke7 32.Ra4 Kd7 33.h3 Rb8 34.Raa1 Rb1 35.Rb1 Nc5 36.Rb7 Kd6 37.Ra7 Ne4 38.Rb7 Qd2 39.Kf1 Qd1 (39...Qf2) 0–1. toon magpie – gengar, ChessWorld.net, 2005.

4.Nf3 c6 5.Bc4 d6 6.c3 Ba5 7.0–0 Ba6 (7...Nf6!?=) 8.Na3 Nf6 9.Re1 (9.Ba6 Na6 10.Qa4 Nb8+/–) 9...0–0= 10.Qb3 Bb6 11.d4 ed4 12.cd4 Bb7 (12...d5 13.Ba6 Na6 14.Bg5+=) 13.e5 d5? (better is 13...de5!? 14.de5 Nd5+=) 14.ef6+– dc4 15.Qc4?? (better is 15.Nc4 Qf6 16.Bg5+– (worse is 16.Nb6 ab6 17.Qb6 Bc8+–)) 15...Ba6 16.Qc3 Qf6 17.Nc4 Bc7 18.Ba3 Rc8 19.Be7 Qf4 20.g3 Qh6+= 21.Nce5 Be5 22.Ne5 Qe6 23.Bc5 Nd7 24.Qf3 Nf6? 25.Ng6!+– Qe1 26.Re1 hg6 27.Qa3 Bc4 28.Qa4 Bb5 29.Qa3 Nd5?? 30.Qb3+– Rcb8 31.a4 Ba6 32.Qc2 Rd8 33.Be7 Rdc8 34.Bc5 Rc7?? 35.Bd6+– Rcc8 36.Qc5 Bd3 37.Qa3 Bf5 ½–½. Aggie – Klaus_mueller, playchess.de, 2005.

3.Bb5 c6

4.Bc4 d5 5.ed5 cd5 6.Bb3 Bb4= 7.c3 Bc5 8.Nf3 Bg4 (8...e4 9.Ne5=) 9.h3 (9.Qe2 Bf3 10.Qe5 Qe7 11.Qe7 Ke7 12.gf3 Nf6+=) 9...Bf3 10.Qf3 Nf6 11.0–0 Nbd7 (11...e4 12.Re1=) 12.d3 (12.Bd5 Nd5 13.Qd5 0–0+=) 12...0–0 (12...Qa5 13.d4 (13.Bd5 Nd5 14.Bh6 gh6–+) 13...e4 14.Qe2=) 13.Bd5+= Rb8 14.Nd2 (14.Bc4 Nb6 15.Nd2 Qc7+=) 14...a5 (14...Qa5 15.c4=) 15.c4 (15.Bc4 Nb6+/–) 15...g6 (15...Bd4 16.Ba3 Ba1 17.Bf8=) 16.Re1 (16.Be4 Ne4 17.de4 f5+=) 16...Nb6 (16...Nd5 17.Qd5 Bd4 18.Ba3=) 17.Be4 (17.Ne4 Ne4 18.de4 Nd5 19.ed5 Qd6+/–) 17...Na4 (17...Bd4 18.Rb1+/–) 18.Nb3 Bb4 19.Re2 (19.Bg5 Kg7 20.Rec1 h6+–) 19...Nc3 (19...Ne4 20.de4 (< 20.Qe4 Nc3 21.Qe5 Ne2 22.Qe2 Re8=+) 20...Qd1 21.Kh2+/–) 20.Rc2 Nce4 (20...a4 21.Nd2+/–) 21.de4+/– a4 22.Bg5?? ab3–/+ 23.ab3 Bc5?? 24.Bf6+– Qd4? 25.Qg4 Rb3 26.Rf1 Qd3 27.Rcc1 Rb2 28.Qh4 Bf2?? 29.Rf2+– Qd4 30.Rcf1 Qc4 31.Qh6 Qe4 32.Qg7 1–0. pieeater – crome, ChessWorld.net, 2005.

4.Bc4 d5 5.ed5 cd5 6.Bb5 Bd7 7.Bd7 Nd7 8.Qe2 e4 9.Qb5 (9.d3 Bb4 10.c3 Qc7=) 9...Ngf6 10.Ne2 Rb8 11.Qc6 Bb4 12.0–0 0–0 13.Bb2 Bd2?? (13...Qa5 14.a3 Bd2 15.Bc3 Bc3 16.Qc3–+) 14.Nd2?? (better is 14.Bf6 Nf6 15.Nd2+–) 14...Rb2–/+ 15.Rfb1 Rb1 16.Rb1 Ne5 17.Qb7 a5 18.Nd4 Nc4 19.Nc6 Qd7 (better is 19...Qd6!? 20.Nc4 dc4 21.Ne7 Kh8–/+) 20.Ne7 Kh8 21.Qd7 Nd7 22.Nd5?? (better is 22.Nc4 dc4 23.Kf1=+) 22...Nd2–+ 23.Rd1 Nc4 24.Nc3 (24.Rd4 Nde5 25.Re4 Rd8–+) 24...Nf6 25.g3 (25.Rd4 Na3–+) 25...g5 (25...Rc8 26.Nb5–+) 26.Kg2 (26.Rd4 Na3–+) 26...h5 (26...Rc8 27.Ne2–+) 27.h3 (27.Rd4 Na3–+) 27...Kg7 28.Rd4 Rc8 29.Ne4 Ne4 30.Re4 Kg6 31.Rd4 f5 32.Rd5 a4 33.Rd7 Nb2 34.Rb7 (34.Rd6 Kf7 35.Rd2 Rc3–+) 34...Rc2 35.a3 (35.Rb6 Kf7 36.Rb7 Ke6 37.Rb6 Ke7–+) 35...Nc4 (better is 35...Nd3!? 36.Rb6 Kf7 37.Ra6 Rf2 38.Kg1–+) 36.Rb4 Na3 37.Ra4 Nb5 38.Ra6 Kf7 39.Rh6 h4 40.gh4 gh4 41.Rh4 Kg6 42.Rb4 Nd6 43.Rb6 Rd2 44.Kf3 Kg5 45.Ke3 (45.Rb4 Rd3 46.Kg2 Ne4–+) 45...Rd5 (better is 45...Nc4 46.Kf3 Nb6–+) 46.f4 Kh4 47.Kf3 Kh3 48.Rb7 (48.Ra6–+) 48...Ne4 49.Rh7 –+. Gramps – Crazypawn, Live Game Caissa's Web, 2004.

4.Bc4 d5 5.ed5 cd5 6.Bb5 Bd7 7.Qe2 Bb5 8.Qb5 Qd7 +=.

4.Bc4 Nf6 5.d4 d5 (5...Ne4!? 6.a3 d5+=) 6.ed5+= (worse is 6.de5 Ne4 (6...Bb4 7.c3 Ne4 8.Qd3–+) 7.Bd3 Bb4 8.Kf1 Bc5 9.Be4 Qh4–/+) 6...cd5 7.Bb5 Bd7 8.Qd3 (better is 8.Bd7!? Nbd7 9.de5 Ne5 10.a3+=) 8...Bb4+= 9.Nc3?? (9.c3!? e4 10.Bd7 Nbd7 11.Qg3+=) 9...0–0?? (better is 9...Bc3 10.Qc3 Bb5 11.de5 Ne4–+) 10.Nf3?? (better is 10.Bd7 Nbd7 11.Nge2–/+) 10...a6 (better is 10...Bb5 11.Qd2 Ne4 12.Ne4 Bd2 13.Ned2 ed4 14.Nd4 Re8 15.Kd1 Qe7–+) 11.Bd7 Nbd7?? 12.0–0?? h6 13.Nh4?? Ng4 14.Qf5?? Ngf6 15.Bh6?? Nh5 16.Qh5 Nf6?? 17.Bg7 Nh5–+ 18.de5 Kg7 19.Nf5 Kh7 20.Ne2 Bc5 21.e6 fe6 22.Ne7 Qe7 23.Rad1 Qf6 24.Nf4 Nf4 25.c4 Ne2 26.Kh1–+ Qg5 27.cd5 ed5 28.Rde1 Nf4 29.g3 Nd3 30.Rd1 Nb2 31.Rde1 d4 32.f4 Qd5 33.Kg1 d3 34.Rf2 Qd4 35.Ref1 Qe4 36.Rc1 Be3 37.Rc7–+ Kh8 38.Rc3 Bd4 39.Rd3 Qd3 40.Kg2 Rg8 41.Kh3 Rg6 42.Kh4 Bf2 43.Kh5 Kh7 44.f5 Qf5 45.Kh4 Qg4 0–1. interloper – dumbroad, ChessWorld.net, 2012.

4.Bc4 Nf6 5.f3 Bb4 (5...d5 6.ed5 cd5 7.Bb5 Bd7 8.Qe2–/+) 6.Ne2 0–0 (6...d5 7.ed5 cd5 8.Bb5 Bd7 9.Nbc3–+) 7.c3 Bc5 (7...Be7 8.d4 d5 9.Bd3 de4 10.fe4–/+) 8.Ba3 (better is 8.d4!? d5 9.dc5 dc4 10.Qd6=) 8...Ba3–/+ 9.Na3 d5 10.ed5 cd5 11.Bb3 Be6 12.0–0 Qb6 (12...Nc6 13.Ba4–/+) 13.d4+= ed4 14.cd4 (14.Qd4? Qa6 15.c4 Qa3 16.cd5 Bd7–+) 14...Na6 15.Nc2 Rac8 16.Rc1 Nb4 17.Nb4 Qb4 18.Rc8 Bc8 19.g4 (19.Nf4 Re8 20.Nd5 Nd5 21.Bd5 Ba6+=) 19...h6 (19...Ba6 20.Re1+=) 20.Nf4 Attacks the isolani on d5 20...Bb7 (20...Re8!? 21.Kg2 Ba6+=) 21.Re1= a5 22.Re7?? (better is 22.h4=) 22...Qe7–+ 23.Qd3 (23.Qd2 Re8 24.h4 Bc6–+) 23...Qe1 24.Kg2 Re8 25.Qb5 (25.Qd1 Qe3 26.Ba4–+) 25...Qd2 26.Kh3 Qf4 27.Qf1 Ng4! 28.Qg2 (28.fg4 Qf1 Mate attack) 28...Nf6 (28...Ne3 29.Bd1 Bc8 30.Qg4 Ng4 31.fg4 Qf2 32.Be2 Re2 33.a3 Qh2) 29.Bd1 (29.Qf2 Ne4! 30.Kg2 Nf2 31.Bc2 Nh3 32.Bd3 Qg5 33.Kh3 Bc8 34.Bf5 Bf5) 29...Bc8 30.Qg4 Bg4 31.fg4 (31.Kg2 Qd2 32.Kg3 Nh5 33.Kg4 Qg5 34.Kh3 Nf4) 31...Qf1 (31...Qf1 32.Kg3 Re3 33.Bf3 Qf3 34.Kh4 Qg4; 31...Qf2 32.Be2 Re2 33.a3 Qh2) 0–1. pikelet – 19larry, ChessWorld.net, 2014.

4.Bc4 Nf6 5.Qf3 Bb4 6.Bb2 Qe7 =.

4.Bc4 Nf6 5.Nf3!? d5 6.ed5 cd5 7.Bb5 Bd7 8.Na3 Bb5 9.Nb5 +=.

4.Be2 Bb4 5.Nf3 Qf6 (5...d5!? 6.ed5 e4+=) 6.0–0+= d5 7.d4 Qg6? (better is 7...ed4!? 8.Bg5 Qd6 9.Qd4 f6+=) 8.ed5+– Bh3? (8...e4 9.Ne5 Qf6 10.f3+–) 9.Nh4 (better is 9.Ng5 Bg2 10.Kg2+–) 9...Qe4+/– 10.gh3 Qd5?? (better is 10...Qh4 11.de5 Nd7+/–) 11.c4 (11.c3 Be7 12.Nf5 ed4 13.Ng7 Kf8+–) 11...Qe4 12.Nf3 Qg6 13.Kh1 Nf6 14.Ne5 Qe4 15.f3 Qh4 16.a3 Ba5 17.Bd2 c5 18.Ba5 Qh3 19.Qa4 Nbd7 20.Nd7 Nd7 21.dc5 0–0 22.Bb4 Rae8 23.Nc3 Ne5 24.c6 Ng6 25.Bd6 Nh4 26.Rg1 Nf3?? 27.Bf1 Qe6 28.Bf8 Qe3 29.Ne2 Re4 30.c7 Rh4 31.Rg7 Kf8 32.Rg8! Kg8 33.c8Q Kg7 34.Qb8 Qe4 35.Qg3 Rg4 36.Qg4! Qg4 37.Bg2 Qe4 38.Ng3 Qg4 39.Rd1 Nh2 40.Kh2 Qh4 41.Bh3 Qf4 42.Qa7 Qc4 43.Qd4 Qd4+– 44.Rd4 Kg6 45.Bf5 Kh6 46.Rd6 Kg7 47.Nh5 Kf8 48.Rh6 (48.Rh6 Ke7 49.a4 f6 50.a5 Kd6 51.Rf6 Kc5 52.a6 Kb5 53.a7 Kc5 54.a8Q Kd4 55.Rd6 Kc4 56.Qa3 h6 57.Bd3; 48.a4 f6 49.Rd8 Kf7 50.Rd7 Kg8 51.Nf6 Kf8 52.Be6 h5 53.Rf7) 1–0. Yannick – Dc, playchess.de, 2004.

3.c3 Nf6

4.Bb5 a5 +=.

4.f3 a5 5.Bb5 ab4 6.d4 =.

4.f3 a6 5.Nh3 d6 6.Ng5 h6–/+ 7.Nh3 Bh3 8.gh3 Be7 9.Be2 0–0 10.d3 c5–/+ 11.Bd2 Nc6 12.a3 cb4 13.ab4 d5 14.ed5 Nd5 15.Qc2 Bh4–+ 16.Kd1 Qd7 17.Bf1 Qf5 18.Be2 Qh3 19.Kc1? Qg2 20.Qd1 Nf4 21.Bf4 ef4 22.Nd2 Rfe8 23.Ne4 a5 24.Ra2?? ab4 25.Rg1 Qh3 26.Ra8 Ra8 27.Kd2 Ra2 28.Kc1 Ra1 29.Kd2 Rd1 30.Rd1 bc3 31.Nc3 Bd8 32.Nb5 Qe6 33.Ra1 Qe3 34.Kd1 Qg1 35.Kd2 Qa1 36.Nc3 Ba5 37.d4 Qc3 38.Kd1 Qd2# 0–1. sburritt – iboyd (1950), net–chess.com, 2006.

4.Nf3 Ne4= 5.Ne5 Qf6 6.Ng4 Qe6 7.f3?? Ng3 8.Be2 Nh1 9.d4 d5 10.Ne5 f6 11.Nd3 Bd6 12.g3 Qh3 13.Bf1 Qh2 14.Qe2 Qe2 15.Be2 0–0 16.Bf4 Re8 17.Na3 Bf4 18.Nf4 c6 19.g4 g5 20.Nh5 Kf7 21.Kf1 a5 22.Nc2 ab4 23.Nb4 Ra3 24.Rc1 Re3 25.Nc2 Rec3 26.Na3 Rc1 27.Kg2 b4 28.Ng3 Ng3 29.Kg3 ba3 30.f4 Rc2 31.Bd3 Ra2 32.fg5 fg5 33.Bh7 Rb2 34.Bf5 Rb3 35.Kf2 a2 36.Bc2 Rc3 37.Bf5 a1Q 38.Bc8 Qb2 39.Kf1 Rc1# 0–1. easydigital – Kevin@home, ChessWorld.net, 2005.

3.d4 Bb4

4.c3 Ba5 =.

4.c3= Bd6 5.Nf3 a6 6.Bd3 Qf6 7.Bg5 Qg6 8.0–0 h6 9.Bh4 ed4?? 10.e5+– Qg4 11.ed6 c5 12.Re1 Kf8 13.Be7 Ke8 14.Re4 Qh5 15.Rh4 Qd5 16.cd4 cd4 17.Be4 Qc4 18.Ba8 b4 19.Rd4 Qe6 20.Re4 Qe4 21.Be4 g6 22.Qd4 h5 23.Qh8 g5 24.Qg8 1–0. SirGraves – crome, ChessWorld.net, 2005.

4.Bd2 a5 5.Bb4 ab4 6.de5 Ne7 7.Bb5 c6 (7...Bb7!?=) 8.Bc4+/– Ng6 9.e6 (9.Nf3 Ba6 10.Ba6 Na6+/–) 9...f6 (9...fe6 10.a4+=) 10.Qd6 (10.c3+=) 10...Ne7? (better is 10...de6!? 11.Qd8 Kd8=) 11.Nf3 Ra5?? (better is 11...Qa5+/–) 12.Qb8+– d6 (12...d5 13.ed5 Nd5 14.Bd5 Rd5 15.0–0+–) 13.Qb4 f5 (13...d5 14.ed5 Nd5 15.Bd5 Rd5 16.Nc3+–) 14.ef5 (14.Ng5!? c5 15.Bb5 Kf8+–) 14...Nf5 15.Nbd2 (better is 15.0–0 Ne7+–) 15...Rc5 (15...d5 16.Bd3 Be6 17.Bf5 Bf5 18.0–0+–) 16.g4 Ne7 17.Ne4 0–0 18.Nc5 Rf3 19.Nb7 (better is 19.Nd7 d5 20.Be2 Rh3+–) 19...Qf8 (19...Bb7 20.Qb7 Rf4+–) 20.Nd6 Ng6 (20...Qf6 21.Nc8 Qe5 22.Kf1 Rf2 23.Kf2 Qf4 24.Ke1 Qe4 25.Kd2 Qd4 26.Kc1 Qa1 27.Qb1 Qb1 28.Kb1 Kf8 29.Rf1 Ke8 30.Ne7 Ke7 31.Rf7 Kd6 32.Rd7 Ke5 33.e7 Kf4 34.e8Q g6 35.Rd4 Kg5 36.Qd8 Kh6 37.g5 Kh5 38.Be2) 21.e7 Kh8 22.ef8Q Nf8 23.Nc8 (23.Nf5 Nd7 24.Qe7 Rf5 25.gf5 h5 26.Rg1 g5 27.fg6 Nf6 28.Qf6) 23...Ng6 24.Qb8 (24.Ne7 Nf8 25.Nf5 Rf5 26.gf5 Nd7 27.Qe7 h5 28.Rg1 g5 29.fg6 Nf6 30.Qf6) 24...Ne7 25.Ne7 Rf8 26.Qf8# 1–0. wee harv – dumbroad, ChessWorld.net, 2012.

4.Bd2 Bd2!? 5.Nd2 ed4 6.Bb5 Qg5 +=.

3.Nf3 a6

4.c3 Nf6 +=.

4.Nc3 Bb4 5.Nd5 Bd6 6.Bb2 =.

4.Nc3 Nc6 5.a3 Bb7 6.d4 ed4= 7.Nd4 Nd4 8.Qd4 d6 9.Bd3 Nf6 10.Bg5 Be7 11.0–0–0 0–0 12.h4 h6 13.Be3 Re8 14.Be2 c6 15.g4 Nh7 16.f4 f6 17.f5 Qc7 18.Qb6 Qb6 19.Bb6 Rac8 20.Rhg1 Nf8 21.g5 fg5= 22.Be3 Nh7 23.hg5 Bg5=+ 24.Bg5 Ng5 25.Rd6 Rcd8 26.Rg6 Rf8 27.Rh1 (27...c5 28.Rg1+=; 27.Na4!+=). hris – rasputin, internet, 2005.

4.Ne5 Nf6 5.a4 Bb4 6.Nd3 =.

4.Ne5 Nf6 5.Nd3 =.

3.Nf3 Bb4

4.Bb5 a6 5.Ba4 =.

4.Bb5 a6 5.Bc4 Nf6 6.0–0 0–0 7.c3 Bc5 8.Re1 d6 9.d4 ed4 10.cd4 Bb4 11.Bd2 Bd2 12.Nbd2 d5 13.ed5+/– Nd5 14.Qb3 Be6 15.Qb7+– Nd7? 16.Bd5 Rb8 17.Qc6 Rb6 18.Qc4 Bd5 19.Qd5 Rb5 20.Qc4 Nb6 21.Qc6 f5 22.Qe6 Kh8 23.Qe7 Qe7 24.Re7 h6 25.Rc7 g5 26.Ne5 Kg8 27.a4 Rb2 28.Ndc4 Nc4 29.Nc4 Rb4 30.d5 Rfb8 31.Nd2 Rb2 32.Rd1 Rd2+= 33.Rcc1 Rd1 34.Rd1+/– Kf7 35.Re1 Rd8 36.Re5+/– f4 37.f3 a5 38.g3 fg3 39.hg3+/– Rd6 40.Kf2 Kf6 41.f4 g4 42.Ke3+– Rd7 43.Kd4 Kf7 44.Rg5?? Rb7 45.Rg4+– Rb4 46.Ke5 Ra4 47.Rh4 Rb4 48.Rh6 a4 49.f5 a3 50.d6 a2? 51.Rh7+– Kf8 52.Ra7 (52...Rb7 A) 53.Rb7? a1Q 54.Ke6 Qe1 55.Kf6 Qc3 56.Ke6 Qc8 (56...Qg3?! 57.Rb8 Kg7 58.f6 Kh7 59.f7 Qg6 60.Ke7 Qe4 61.Kd7 Qa4 62.Ke6 Qa2 63.Kf6 Qf2 64.Ke6 Qe3 65.Kf6 Qf4 66.Ke6 Qg4 67.Ke7 Qg5 68.Ke6 Qh6 69.Ke7 Qh4 70.Kd7 Qh3 71.Ke7 Qe3 72.Kf6 Qd4 73.Ke6 Qc4 74.Ke7 Qe2 75.Kd7 Qg4 76.Ke7=) 57.d7 Qc6 58.Ke5 Ke7 59.d8Q Kd8–+; B) 53.Ra2+–) 1–0. CSLewis – Kevin@home, ChessWorld.net, 2005.

2.e4 e6

3.a3 Bb7 4.e5 a5 5.ba5 Ra5=+ 6.Nf3 f6 7.Bb2 Nc6 8.c4 bc4 9.ef6 Nf6 10.Bc4 Bd6 11.0–0 0–0=+ 12.Qb3 Qa8 13.d4 Ne7 14.Nbd2 Ne4 15.Ne4 Be4 16.Ne1 Rh5 17.h3 Rhf5 18.Qe3 Qb7 19.Ra2 Bb1–+ 20.Qe2 Ba2 21.Ba2 Nd5 22.Nd3 Qa6 23.Qd2 Nf4 24.Nf4 Bf4 25.Qd1 Be3! 26.Bc1 Rf2 27.Rf2 Bf2 28.Kh2 Qd6 29.Kh1 Bd4 30.Bc4 Rf2 31.Qd3 Qc6 (32.Be6 de6–+) 0–1. Frenzel,Lothar – Woschkat,Karl_Heinz, corr SOK–92–83, 1992.

3.a4 ba4 4.Ra4 Nf6 +=.

3.Bb2 a5 4.a3 =.

3.Bb2 Bb7 4.Bb5 Qg5 5.Be2 =.

3.Bb2 f6 4.a4 (4.Qh5 g6 5.Qb5 a5 6.ba5 Ba6+/–) 4...c6 (4...Bb7 5.ab5 Be4 6.Nc3+=) 5.ab5 Bb4 6.Qg4 g6 7.Nc3 Ba5 8.Nf3 c5 (better is 8...a6!? 9.bc6 Nc6+=) 9.e5+– h5?? (better is 9...Bc3 10.Bc3 Bb7+/–) 10.Qg6 Ke7 11.Nd5!! Kf8 12.ef6 Nf6 13.Ng5 Rh7 14.Nh7 Nh7 15.Bg7 Kg8 16.Bh6 Kh8 17.Qg7# 1–0. pierre – toff, internet, 2010.

3.Bb2 Nf6 4.e5 (4.Bb5 Bb7=) 4...Nd5 5.a3 Bb7 6.Nf3 (worse is 6.Bb5 Ne3 7.fe3 Bg2–/+) 6...a6 7.c4 bc4 8.Bc4 c5 (8...Be7 9.0–0=) 9.b5 (9.bc5 Bc5 10.0–0 0–0=) 9...ab5= 10.Bb5 Qb6 (10...Be7 11.0–0=) 11.a4 Be7 12.0–0 0–0 13.Nc3 (13.Na3 Nc6=) 13...Nf4 (13...f6 14.Ne4=) 14.Re1 f5 (14...c4 15.Bc4 Bc5 16.Ne4 Ng2 17.Kg2 Be4 18.Re4 Qb2 19.Bb3+–) 15.Rc1 (15.Rb1 Qa5=) 15...Ba6 (15...g5 16.Ne2 Bf3 17.gf3=) 16.d4 (16.d3 Bb7=) 16...c4+= 17.Rb1 Nd3 18.Re2 d5 (18...Bb5 19.Nb5 Qa5 20.Ra1=) 19.ed6= Qd6 (19...Bd6 20.Ng5 Rf6 21.d5 (21.Ne6?! Bb5 22.ab5 Re6 23.Re6 Bh2 24.Kh2 Qe6=; 21.Re6 Bh2 22.Kf1 Qe6 23.Ne6 Bb5 24.ab5 Re6+–) 21...Bb5 22.Nb5=) 20.Qc2 Nc6 Exerts pressure on the isolated pawn 21.Bc6+/– Qc6 22.d5 Qc8 23.Re6 Bc5 24.Nd1 Qd7 25.Qc3 Nb2 26.Nb2 The isolani on c4 becomes a target 26...Qd5 27.Re5 Qc6 28.Rbe1 Rab8 29.Re6 Bb4 30.Qc2 Qc8 31.R1e5? c3–+ 32.Nd1 Qc4?? 33.Ne3= f5 becomes the focus of attention 33...Qd3 34.Ne1 Qc2 35.N1c2 Bc8 36.Rc6 (36.Rc6 Bd7 37.Ra6+=). Olej,Emil – Bochenski,Marian, corr Poland, 1958.

3.Bb5 c6 4.Bd3 Ba6 (4...Bb4 5.Bb2 Nf6 6.e5=) 5.Nf3 (better is 5.Ba6!? Na6 6.a3+/–) 5...Bd3= 6.cd3 d5 (6...Bb4 7.Nc3=) 7.Qa4 Nf6 8.Nc3 Qb6 9.e5 (9.a3 Be7+/–) 9...Nfd7 10.Rb1 Be7 11.0–0 0–0 12.d4 Qc7 13.d3 f6 14.ef6 Nf6 15.h3 Nbd7 16.Ng5 Qd6 17.Re1 e5 18.Nf3 ed4 19.Nd4 Rfc8?? (better is 19...Ne5+–) 20.Nf5 Qc7 21.Re7 1–0. Fritz11 – anony, internet, 2013.

3.Bb2 c6

4.a4 ba4 5.Ra4 Qb6 6.Nf3 f6 7.c3 Ba6 (7...c5!?+=) 8.Ba6+/– Na6 9.d4 Nc7 10.Ra5 d5 11.Nbd2 h5 (11...Nh6!?+/–) 12.0–0 g5 13.ed5 (13.Ne1 h4+–) 13...Nd5? 14.Qe1 Kf7 15.Qe4 Bh6 16.Nb3 f5 17.Qe5 Nge7 18.Nc5 Qc7 19.Qe6 Ke8 20.Ne5 Rh7 21.g3 Qc8 22.Ncd7 Nc7 23.Nf6 1–0. Caissa – orandd, internet, 2003.

4.Nf3 Na6 5.a3 f6 6.e5 f5 7.g3 g6 8.c4 Qb6 9.Nc3 Nc7 10.cb5 cb5 11.Bg2 Bb7 12.0–0 a5 13.ba5 Qa5 14.Qb3 Ne7 15.Nd4 Bg2+= 16.Kg2 Qa7? 17.Ncb5+– Qb7 18.Kg1 Nb5 19.Nb5 Rb8?? 20.Nd6 Kd8 21.Nb7 Kc7 22.Rac1 Nc6 23.Qa4 Rb7 24.Qa5 Kb8 25.Qc3 Bg7 26.d4 (26...Rc8 27.Qd2+–) 1–0. Istvanny (1635) – kausca12, internet, 2007.

3.Nf3 Bb7

2.e4 Nf6

3.Bb5 Ne4 4.a4 Ba6 5.c4?? Bb5 6.cb5 e5 7.Bb2 Qf6 8.Nf3 Bb4 9.Be5 Bd2?? 10.Nbd2+– Qg6 11.0–0 Nd2 12.Qd2 d6 13.Bb2 0–0 14.Rfe1 Nd7 15.Re7 Ne5 16.Ne5 de5 17.Rc7 Rfd8 18.Rac1 Rd2–+ 19.Rc8 Rd8 20.Rd8 Rd8 21.Be5 Qe6 22.Bc7 Rc8 23.a5 Qh6 24.g3 Qc1 25.Kg2 Rc7 26.b6 ab6 27.ab6 Qc6 28.f3 Rb7 29.g4 Rb6 30.h4 Rb2 31.Kg3 Qd6 32.f4 Qd3# 0–1. ifairclough – quikeagle, net–chess.com, 2001.

3.d3 e5 4.a4 =.

3.d3 g6 4.Bb2 Bg7 5.g4 0–0 6.Bg2 Bb7 7.Nd2 Nc6 8.a3 e6 9.d4 e5 (9...Ne8 10.Nb3=) 10.de5 (10.d5 Ne7+=) 10...Ne8= 11.Ndf3 d6 12.Rb1 (Better is 12.Qd3!?+=) 12...de5=+ 13.Ne2 Nd6 14.Nd2 Ba6 15.0–0 Qe7 16.f4 ef4 17.Bg7+= Rfe8?? 18.Bc3 Ne5 19.Bf3 Ndc4? 20.Nc4 Nc4 21.Bd4 Na3? 22.Bc5 Qe6 23.Nd4 Qf6 24.Ra1 Nc4 25.Ne2 Red8 26.Bd4 Qc6?? 27.Qc1 Rd7 28.e5 Qe6 29.Ba8 Rd8 30.Bf3 Nb6 31.Nf4 Qc4 32.Bb6 ab6 33.Ra6 Qd4 34.Rf2 Qb4 35.Nd5 Qc5 36.Nf6 Kg7 37.Bd5 c6 38.Bb3 Kf8 39.Nh7 Kg7+– 40.Nf6 Qe5 41.Bf7! Qc5 42.Ra7 Rf8 43.Bb3 Rf7 44.Rf7 (44...Kh8 45.Qh6#) 1–0. Ritschel,Stephan – Pieleck,Kerstin, RSX9E – A00 – Sokolsky–1, 2002.

3.e5 Nd5 =.

3.e5 Ne4 4.d4?? a6? 5.Bd3 f5 6.Be4?? fe4+= 7.e6 de6 8.Qh5 g6 9.Qe5+= Rg8 10.Be3 Nc6 11.Qc5 Bd7 12.d5?? ed5–/+ 13.Qd5 Nb4 14.Qg8?? Nc2–+ 15.Ke2 Na1 16.f3? Bc6 17.Nh3 Qd3 18.Kf2 0–0–0 19.Qh7? ef3 20.gf3 Qc2 21.Kg3 Rd1 22.Ng1?? Qb1 23.Qh8 Rd8 24.Bd4 Qe1 25.Bf2 Qb1 26.Qe5?? Bd7 27.Qc5 Be6 28.Qc6 Qa2 29.Bb6 Qc2 30.Qa8 Kd7 31.Qa7 Qc6 (32.Nh3 Bg7 33.Rd1 Ke8 34.Rd8 Kd8–+) 0–1. ifairclough – quikeagle, net–chess.com, 2001.

2.Nf3 a5

3.c3 a4 4.a3 Nc6 5.e4 e5? (5...Na7!?+=) 6.d4 (6.Bb5!? f5 7.d3 fe4 8.de4 Bb7+–) 6...ed4 7.Nd4 Ba6 8.Be3 (8.Bb5?! Nd4 9.Qd4 Bb5 10.Qe5 Qe7 11.Qb5 Qe4 12.Qe2 Nf6=) 8...Nf6 9.Bd3 Bd6 10.0–0 Qe7 11.Nd2 (11.Nb5 Bb5 12.Bb5 Qe5–+) 11...Ne5 12.Nf5 Qf8 13.Nd6 Qd6 14.Be2 Nfg4?? (Better is 14...Qe6+=) 15.Bg4+– Nd3 16.Nf3 0–0–0 17.Nd4 Ne5 18.Be2 Rhe8 19.f3 Ng6 20.Nf5 Qd1 21.Rfd1 Ne5 22.Ng7 Rg8 23.Nf5 Rge8 24.Nd4 Nc4 25.Bc4 bc4 26.Bg5 c5 27.Bd8 Rd8 28.Nf5 h5 29.Nd6 Kc7 30.b5 Bb7 31.Nb7 Kb7 32.Rd6 h4 33.Rad1 h3 34.g3 Kc7 35.b6 Kb7 36.Rb1 Ra8 37.Rd7 Kc6 1–0. Nylson – dc, HCL–C2289 playchess.de, 2003.

3.ba5 Bb7

4.d4 =.

4.e3 b4 5.c3 c5 6.a6 Na6 7.Bc4 Qb6 8.Bb2 d5 9.Bb3 0–0–0 (better is 9...Qf6!?=) 10.Ne5+/– Nh6 11.cb4 cb4 (11...Nb4 12.Nc3 c4 13.Na4+=) 12.Bd4+– Qb5 (12...Qd6 13.a3 f6 14.Qc2 Qc7+=) 13.Ba4 Qa5 14.a3 f6 15.ab4 Qb4 16.Qc2 Kb8 (16...Nc7 17.Na3 fe5+–) 17.Nd7 (better is 17.Nc6 Bc6 18.Bc6+– (18.Qc6?! Qb7+/–)) 17...Ka8?? (better is 17...Rd7 18.Bd7 e5+–) 18.Bc5 (18.Bc5 Qg4 19.Bc6 Rd7 20.Ra6 Kb8 21.Ba7 Ka8 22.Ra4+–) 1–0. Stobbe,Arthur J – Eldridge,Michael, USA corr, 1992. (=1.Nf3 b5 2.b4 a5)

3.e4 ab4

2.Nf3 Nc6

3.a3 e5 4.Nc3 a5 5.Bb2 d5 (5...ab4!? 6.ab4 Ra1 7.Ba1 Nb4=) 6.Nb5 (6.e4 ab4 7.Nd5 ba3 8.Bb5 Bd7 9.Ne5 Ne5 10.Be5 Ra7 11.Bd7 Qd7+–) 6...e4 7.Nfd4 Bd7 8.e3 Nf6 (8...Rb8+=) 9.c4 (9.Nc6 Bc6 10.Be5 Bd6 11.Nd6 cd6+/–) 9...Ne5 (better is 9...ab4!? 10.cd5 Nd4 11.Bd4 Ra5 (worse is 11...ba3 12.Bf6 gf6 13.Qc2+–) 12.ab4 Rb5 13.Bb5 Bb5=) 10.cd5+/– Nd5 (better is 10...ab4 11.Qc2 Rc8+/–) 11.Bc4?? (11.Qc2 f5 12.Nf5 Bf5 13.Be5 Qd7+–) 11...Bg4 (better is 11...Nc4 12.Qb3 Ndb6–+ (12...Nb2?! 13.Qd5 Rb8 14.Qe4 Be7 15.Na7–/+)) 12.Qb3 (better is 12.Qb1 Nc4 13.Qe4 Ne7 14.Nc7 Qc7 15.Qa8 Qc8 16.Qc8 Bc8 17.Bc3+–) 12...c6?? (12...Nb6 13.Bf7 Nf7+/–) 13.Nc6!+– Qh4 (13...Nc6 14.Bd5 Double attack (14.Bd5 Decoy; 14.Bd5 Remove defender)) 14.Ne5 a4 15.Qa2 (better is 15.Qc2 Rd8 16.Bd5 Be7 17.Qe4 0–0 18.Ng4 Rd5 19.Qd5 Qg4+–) 15...Be6 (15...Bb4 16.ab4 Nb6 17.Nc7 Ke7+–) 16.Bd5 Rd8 17.Nc7 (17.Be6 Bd6 18.Nf7 Bb4 19.ab4 Rd2 20.Nbd6 Kf8 21.Bg7 Kg7 22.Nf5 Kf6 23.Qd2 Ke6 24.Nh4 Kf7 25.Qd7 Kf6 26.Rc1 Rf8 27.Rc6 Kg5 28.Qg7 Kh4 29.Rh6) 17...Ke7 18.Ne6 (18.Be6 Rd6 19.Nd5 Ke6 20.Nf4 Kf5 21.g4 Qg4 22.Qf7 Kg5 23.h4 Qh4 24.Rg1 Kh6 25.Qe6 Re6 26.Nf7) 18...fe6 19.Be6 Ke8 20.Bf7 Ke7 1–0. Jpv – Dc, playchess.de, 2003.

3.a4 ba4 4.b5+/– (4.Ra4?! Rb8 5.Ba3 e6=) 4...Nb8 (4...Nb4 5.Ra4 Nd5 6.Nc3+/–) 5.Nc3 d6 6.Ra4 Bd7 (6...Nf6!?+/–) 7.e4+– e5 (7...c6 8.e5 Qb6 9.Rf4 cb5 10.Bb2+–) 8.Bc4 Nf6 (8...Be6 9.Be6 fe6 10.d4+–) 9.Ng5 Be6 (9...d5 10.Nd5 Nd5 11.Nf7+– (11.Bd5 Qg5 12.Qf3 c6 13.Bf7 Ke7+=)) 10.Be6 fe6 11.Ne6 Qe7 (11...Qc8 12.Nd5 Nd5 13.ed5+–) 12.Nd5 Nd5 13.ed5 g6 14.Qf3 Bh6 15.Qh3 Bf8 (15...Bg5 16.Rc4 Nd7 17.Rc7+–) 16.Rc4 h5 (16...Nd7 17.Nc7 Kf7 18.Qe6 Qe6 19.de6 Ke7 20.Na8 Ke6+–) 17.Nc7 Kf7 18.Na8 Bh6 19.Rc7 Qc7 20.Qe6 Kg7 21.Nc7 Rf8 22.Qd6 Rf7 23.Ne6 Kh7 24.Qb8 e4 25.Bb2 h4 (25...Bd2 26.Kd2 e3 27.Ke3 g5 28.Ng5 Kg6 29.Qg8 Kf5 30.Nf7 a6 31.Nd6) 26.Qh8 1–0. aspasio – valerypavlovich (2115), net–chess.com, 2015.

3.a4 Nb4!? 4.ab5 Bb7 +=.

3.e3 e5 4.Bb5 e4 5.a3 (better is 5.Nd4!? Nd4 6.ed4=) 5...ef3–/+ 6.gf3 (6.Bc6!? dc6 7.Qf3–/+) 6…Bb7–+ 0–1. sonofknightmare – reyr (2310), net–chess.com, 2003.

3.e4 Nb4 4.Bb5 Rb8 5.c4 (5.Nc3 c6 6.Bc4 d5 7.ed5 cd5 8.Bb5 Bd7=) 5...Rb6 (5...Nd3 6.Ke2 Nc1 7.Qc1–/+) 6.a3 (6.d4!?=) 6...Nd3=+ 7.Ke2 Nc1 8.Qc1 e6 (8...a6 9.Ba4–/+) 9.Ne5 (9.d4 Bb7 10.Nc3 c6=+) 9...Bc5 (9...a6 10.Ba4 Qg5 11.d4 Qg2 12.Nd2–/+) 10.Qc3 (10.Nf3 a6 11.d4 Be7=+ (< 11...ab5 12.dc5 Rb8 13.Qb2+=; < 11...Rb5 12.cb5 Be7 13.a4+–)) 10...Qg5 (better is 10...Qh4 11.Qf3 Qf6 12.Qf6 Nf6–/+ (12...gf6?! 13.Nf3=)) 11.Qd3?? (better is 11.d4 Be7 12.Qf3=) 11...Rd6 (better is 11...Qe5 12.Nc3–+) 12.Nf3?? (12.Qg3 Qg3 13.hg3–+) 12...Rd3 (better is 12...Qg2 13.Qb3 Qh1–+) 13.Ng5=+ Rb3 14.d3 h5 15.Nd2 Rb2 16.Ba4 Rh6 17.f4 Rf6=+ 18.g3 e5 19.Nh7 Rfb6 20.fe5=+ Ra6 21.Rhf1?? Ra4–+ 22.Rab1 Ba3 23.Ra1 Ne7 24.Kd1 Nc6 25.c5 Ba6 26.Nc4 Bc4 27.dc4 Nd4 28.c6 Nc2 29.Rc1 Ne3 30.Ke1 Bb4 (31.Rc3 Bc3#) 0–1. clemyp – sonrisante (1665), net–chess.com, 2004.

2.Nf3 f6

3.e3 a5 4.a3 +=.

3.e3 e5 4.c3 (4.Ne5!? g6 5.Nf3+/–) 4...e4 (4...c6 5.a4 ba4 6.Qa4+=) 5.Nd4+= c6 6.Be2 (6.a4 ba4 7.Qa4 Ne7+=) 6...Ne7 (6...a5 7.d3=) 7.f3 (7.a4 ba4 8.Qa4 d5+=) 7...d5 8.a4 Ba6 (better is 8...ba4!? 9.Qa4 Bd7+=) 9.ab5+/– Bb7 (9...Bb5 10.Nb5 cb5 11.Bb5 Nd7 12.d3+–) 10.c4 (10.0–0 a5+–) 10...Qd6? (better is 10...ef3!? 11.Bf3 dc4+/–) 11.c5+– Qe5 (11...Qd7 12.0–0+–) 12.f4 Qc7 13.Bg4 Ng6 14.0–0 a6 15.Bh3 ab5+/– 16.Na3 Ba6? 17.Bb2 Be7 18.Rf2 Nd7 19.d3+– h6?? 20.Qh5 0–0–0 21.Ne6 Nf4 22.Rf4 Qe5 23.Be5 fe5 24.Rf2 Rde8 25.Rfa2 Nf6 26.Qe5 Rhg8 27.Qc7# 1–0. ifairclough – quikeagle, net–chess.com, 2001.

3.e4 a6 4.d3 e5 5.Be2 (better is 5.Ne5!? Bb4 6.c3 fe5 7.Qh5 Kf8 8.cb4=) 5...Bb4+= 6.Bd2 a5 (6...Bd2!? 7.Nbd2 Ne7+=) 7.c3= Bd6 8.c4 b4 9.a3 b3 (9...Na6!?=) 10.Qb3+= Ne7 11.a4 (11.Nc3 Bc5+=) 11...Ba6 12.Ba5 Nbc6 (12...Bc4!? 13.Qc4 Ra5+=) 13.Bc3 Rb8 14.Qc2 Ng6 15.Bd2 0–0 16.0–0 f5 17.ef5 Nge7?? (better is 17...Rf5!? 18.Be3 Nf4+/–) 18.f6! Rf6? (18...Rf6 19.c5 Combination; 18...gf6 19.c5 Combination) 19.Bc3?? (better is 19.c5+–) 19...Bc5 20.a5 (20.Ne5 Nd4 21.Qa2 Re6 22.Bd4 Bd4 23.Nd7 Rb2–+; worse is 20.Be5 Ne5 21.Ne5 Bd4 22.Nd7 Qd7–+ (22...Ba1?! 23.Nb8 Qb8 24.Nc3 Bc3 25.Qc3+=)) 20...Rg6 (20...Nf5!?+=) 21.Nbd2 Nf5 22.Be5 (22.Ne5 Nfd4 23.Bd4 Nd4 24.Qd1+=) 22...d6? (better is 22...Qe7 23.d4 Nfd4 24.Bd4 Nd4 25.Nd4 Bd4+=) 23.Bc3+– Qd7 24.Qa4 Re8 25.Bd1 Nfe7 26.Bc2 Nf5?? 27.d4! Ba7 28.d5 Nb8 29.Qb3 Rh6 30.Bf5 Qf5 31.Rfe1 Rd8 32.Qb2 Nd7 33.Bg7 Rh5 34.Bh8 Kf8 35.Qg7# 1–0. Mark72 – dumbroad, ChessWorld.net, 2012.

3.e4+= e5

4.Bb5 Bb4 5.c3 Be7 +=.

4.Bb5 Bb7 +=.

4.Nh4 Bb4 5.Qh5 Kf8 6.Ng6 hg6 7.Qh8 +–.

4.Nh4 g6 5.Bb5 Bb4 6.c3 Be7 7.d4 +=.

4.Nh4 g6 5.Bb5 c6 6.Bc4= f5!? 7.Nf3 fe4 8.Ne5 d5 =.

4.Nh4 g6 5.Bb5 c6 6.Bc4= Nh6 7.a3 (7.0–0 Bb4 8.d4 Nf7+=) 7...Ng4? (better is 7...a5!? 8.d4 d5 9.ed5 cd5 10.Bb5 Bd7 11.Bd7 Nd7 12.de5 Ne5+/–) 8.Ng6+– (8.Ng6 hg6 9.Qg4+–) 1–0. Wall,Bill – Joko, internet, 2002.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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