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1.b4 e5

(...)

2.Na3?? Bb4 3.c3 Ba3 4.Ba3 d5 5.d4 e4 6.e3 b6 7.g3 a5 8.Qa4 c6 9.Be2 b5 10.Qc2 a4 11.f4 h5 12.h3 g5 13.g4? h4?? 14.fg5 Qg5 15.Qd2 Ra7 16.Bc5 Ra5 17.Bb6 Ra6=+ 18.Bc7 Nd7 19.Bf4 Qf6 20.g5 Qg6 21.Bg4 f5 22.Be5?? Ne5–+ 23.Qh2 fg4 24.Qe5=+ Kf7 25.Qh8 g3?? 26.Qh4+– g2 27.Rh2 Bh3? 28.Rh3 Ke6 29.Qg4 Kf7 30.Qg2 Ne7 31.Qf2 Nf5 32.0–0–0 Qg5 33.Rh7 Kg6 (34.Qh2 Rb6+–). formrtexn – capelinhos, net–chess.com, 2003.

2.a4?? Nc6 3.c4? d6 4.d3 Nb4–/+ 5.Qb3 d5 6.Nc3 Be6 7.Bd2? d4 8.0–0–0? Nf6 9.Bg5?? h6 10.Nb5?? hg5 11.Qb4 Bb4 12.Nf3 Ng4 13.Ng5 Nf2 14.Ne6 fe6 15.Rg1 Nd1 16.Kd1 a6 17.g3 ab5 18.ab5 Qg5 19.Rg2 Qd2 0–1. idontknow – cacook (1620), net–chess.com, 2006.

2.a4 d5 (--> 1.b4 d5 2.a4 e5).

2.b5 Nc6?? 3.bc6+– dc6 4.Nc3 Bb4 5.Bb2 Nf6 6.e3 0–0 7.Rb1 Qe7 8.Be2 e4 9.Qc1 Rd8 10.f3 ef3 (better is 10...Bf5+–) 11.a3?? (11.Nf3 Bg4+–) 11...Bd6 (better is 11...fg2!? 12.Bf3 Bc3 13.Bc3–+) 12.Nd1?? (12.Nf3 Nd5 13.Nd5 cd5+–) 12...Nd7 (12...fg2 13.Nf2–+) 13.Nf2?? (13.Nf3 Nb6+–) 13...Nc5 (better is 13...fg2 14.Nf3 gh1R 15.Nh1–+) 14.Ne4?? (better is 14.Nf3 Na4 15.Ra1+–) 14...Bg4 (14...fg2 15.Nf2 gh1R 16.Nh1 Qh4 17.Kf1 Qh2 18.Bf3–+) 15.c4?? (better is 15.gf3 Ne4 16.Kf1–+) 15...f6 16.Qc3?? g6 17.d3?? Re8 18.a4 Qd7 19.Bf3 Re4 20.de4 Be6? 21.h4 Rf8?? 22.e5?? fe5?? 23.e4 Re8 24.Qd2 Qc8 1–0. Mueller,Siegfried – Zerbino,Claudio, ICCF EM/CL/Q15–2 ICCF Email, 2002.

2.b5 Be7 3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.b5 Be7).

2.b5 g5 3.Bb2 f6 (3...Bg7 4.e4=) 4.e3 Nh6 5.Nc3 d6 (5...d5 6.e4 de4 7.Ne4=) 6.g3 (6.Qh5 Nf7+=) 6...Bd7 (6...g4 7.Bg2=) 7.Ba3 (7.Qh5 Nf7+=) 7...Ng4 (7...Bg4 8.f3 Be6 9.Nge2=) 8.Bh3 (8.h3 Nh6+=) 8...Nh6 (8...f5!?=) 9.Qf3+= Nf7? (9...c6 10.Ne4 f5 11.Nd6 Bd6 12.Qh5 Nf7 13.Bd6 Qf6+=) 10.d3?? (better is 10.Qb7 Bh3 11.Qa8+– (11.Nh3?! Nd7+–)) 10...Bh6?? (10...c6 11.bc6 bc6 12.Rb1=) 11.Nd5?? (11.Qb7 Bh3 12.Qa8 Be6+–) 11...b6?? (11...Bg7 12.Bd7 Nd7 13.c4=) 12.Ne2 (better is 12.Nf6 Ke7 13.Qa8 Kf6 14.Bd7 Nd7 15.Qa7+–) 12...Bh3+= 13.e4?? (better is 13.g4 c6 14.bc6+=) 13...g4 (13...f5 14.ef5 c6 15.Ne3–+) 14.Qf5? (14.Nf6 Ke7 15.Ng4 Bg7–/+) 14...Ng5?? (better is 14...Nd7 15.Qe6 Kf8 16.f3–+) 15.f4?? (better is 15.Nf6 Kf7 16.Ng4 Kg7 17.Bc1–+) 15...Nf3 (better is 15...gf3!? 16.Qf6 Qf6 17.Nf6 Kd8 18.Nc3–+) 16.Kd1 Bg2?? (16...0–0!? 17.Qe6 Kh8 18.Ne3–+) 17.Rf1 Bf1 18.Nf6 Kf8 19.Nh7 (19.Nd5 Kg7 20.Qg4 Ng5 21.fg5 Bg5–+) 19...Ke8 (better is 19...Kg7 20.Qg4 Kh7 21.Qf3 Be2 22.Qe2 a6–+) 20.Qg6 Ke7 21.fe5?? (better is 21.Qf6!? Kd7 22.Qf5 Ke8 23.Qg6 Kd7 24.Qf5 Ke8=) 21...Bd2 (21...Be2 22.Ke2 Nd4 23.Kd1–+) 22.Bc1?? (22.ed6 cd6 23.Qg7 Ke6 24.Qg4 Ke7 25.Qg7 Ke6 26.Qg4 Ke7 27.Qg7 Ke6 28.Qg4=) 22...Be1 (22...Be2 23.Ke2 Bc3 24.Qg7 Ke6 25.Qg4 Ke7 26.Qg7 Ke6 27.Qg4 Ke7 28.Qg7 Ke6 29.Qg4=) 23.Rb1?? (23.Qg7 Ke8 24.Qh8 Kd7 25.Qg7 Kc8 26.Qg4 Nd7 27.Qf3 Be2 28.Qe2 Bc3+–) 23...Kd7 (better is 23...Qg8 24.Bg5 Ng5 25.Qg8 Rg8 26.ed6 cd6 27.Ng5 Ba5–+) 24.Nf6?? (24.Qg4 Ke8 25.Nf6 Kf7 26.e6 Kf8 27.Bh6 Rh6 28.Qg8 Ke7 29.Qf7) 24...Kc8–+ 25.Bg5?? (25.Qg4 Nd7 26.Qf3 Be2 27.Qe2–+) 25...Rh2 (25...Be2 26.Ke2 Rh2 27.Kd1–+) 26.Nf4 (26.Nd4 Bg3 27.Qf5 Nd7 28.Ng4 Be2 29.Kc1 Rh1 30.Kb2 Rb1 31.Kb1 Nd4–+) 26...Rd2 (26...Bg3 27.Qf5 Nd7 28.Qg4 Be2 29.Kc1 Rh1 30.Kb2 Rb1 31.Kb1 Nd2 32.Kc1 Bg4 33.Kd2 Nf6 34.ef6 Bf4 35.Bf4 Qf6 36.Be3–+) 27.Kc1 Nd4 (better is 27...Nd7 28.Ne6 Nde5–+) 28.Rb4 (28.Ng4 Qf8 29.Ne3 de5–+) 28...Nc2 (better is 28...Rc2 29.Kb1 Bb4 30.N6d5–+) 29.Rc4 (29.Rb2 de5 30.N4d5 Ne3 (30...Rd3 31.Rc2 Nd7 32.Ng4–/+; 30...Bd3?! 31.Bd2 Nd7 32.Qg4–+) 31.Be3 Rb2 32.Qg4 Kb7 33.Kb2 Qh8–+ (33...Bd3?! 34.Qd1–+)) 29...Na3 (29...Ne3 30.Rd4 Qh8 31.Ng4 Rd1 32.Kb2 Ng4 33.Qe6 Nd7 34.Qg4 Qh2 35.Ka3–+) 30.Rc3 (30.N6d5 Nc4 31.Bd8 Ne5 32.Ne7 Kb7 33.Qe6+=) 30...Nb5 31.Qf7 (31.Qf5 Nd7 32.Ne6–+) 31...Nc3 (31...Nc3 32.Ne6 Na2 33.Kb1 Bd3 34.Ka1 Rf2–+) 0–1. Tiedemann,Marcel – Franziska,Franzi, remoteschach.de, 2002.

2.c3 Bb4?? 3.cb4+– a5 4.ba5 Nc6 5.Nc3 d5 6.e3 Nf6 7.Nf3 0–0 8.Be2 d4+/– 9.ed4 ed4= 10.Nb1 Nd5?? 11.0–0+– Be6 12.d3 Na5? 13.Bd2 Nc6 14.a4 Ncb4 15.Bb4 Nb4 16.Nbd2 Nd5 17.Rb1?? b6?? 18.Re1 c5 19.Bf1?? Qd7 20.Ne4 Nc3? 21.Nc3+– dc3 22.Qc2 b5? 23.ab5 Rfb8 24.d4 cd4 25.Red1?? Qb5?? 26.Bb5+– Ba2 27.Qa2! Ra2 28.Nd4 Rb2 29.Rb2 cb2 30.Bf1 g6?? 31.Nf3 b1Q 32.Rb1 Rb1 33.g3 Rf1? 34.Kf1 f5 35.Ne1 Kf7 36.f4 Kf6 37.Kf2 g5 38.fg5 Kg5 39.Nf3 (39.Nf3 Kg4 40.Kg2+–) 1–0. Fournier,Frederic (1925) – martelli08 (1790), Active Blind, 2008.

2.c3 Bc5?? 3.bc5+– Nf6 4.Na3 Nc6 5.Nf3 Qe7 6.d4 e4 7.Nb5 Qd8 8.Ne5 a6 9.Na3 Ne5 10.de5 Nd5 (10...Ng4 11.Qd4 Qh4+–) 11.Qd5 1–0. b4_player – jensen, internet, 2013. (=1.c3 e5 2.b4)

2.c3 Qe7 3.e3 f5 4.Bb2 Nf6 5.Nf3 h6 6.d3 g5 7.h3 Bg7 8.Be2 c6 9.Nbd2 a6 (9...d5 10.c4 Nbd7 11.a3=) 10.0–0 (better is 10.Nc4!? Nd5 11.e4+/–) 10...d6= 11.a4 Be6 12.e4 f4 13.Re1 0–0 14.Qc2 Nbd7 15.Nf1 b5 16.ab5 ab5 17.Ra8 Ra8 18.Ra1 Ra1 19.Ba1 Kh7 20.Bb2 Qd8 21.Qb1 Nb6 22.Qa1 Bf8 23.N1d2 c5? (better is 23...Na4!?=) 24.bc5+/– dc5 25.c4 bc4 26.Nc4 Nc4 27.dc4 Qb6 28.Bf1 Nd7 29.Ba3 Nb8 30.Qb2 Qb2 31.Bb2 Na6 32.Bc1 Nb4 33.Nd2 Bd6 34.Ba3 Bc7 35.Nb3= h5?? 36.Na5 Ba5–+ 37.Bb4 cb4 38.Bd3 b3 39.g3 b2 40.gf4 ef4 41.Kg2 Kh6 42.f3 Bc4! 43.Bc4 b1Q 44.Bd3 Qd3 (44...Qd3 45.Kf2 Qd2 46.Kg1 Bb6 47.Kh1 Qd1 48.Kg2 Qg1) 0–1. Fournier,Frederic (1865) – REVELO (1850), Active Blind, 2011.

2.c3 g5 3.Bb2 Nh6 4.e3 Bg7 5.Nf3 Qf6 6.Be2 0–0 7.a3 d6 8.d3 Bf5 9.Nbd2 (9.e4 Bd7+=) 9...g4= 10.Ng1 Kh8 11.g3 Nc6 12.Bf1 (12.h3 Qg6+=) 12...Nd8 13.Bg2 (13.h3 d5+=) 13...c5 (13...Bd3!? 14.h3 Qg6–/+) 14.bc5 dc5 15.Rb1 b6?? (better is 15...Bd3 16.Ne4 Be4 17.Be4 Qa6+=) 16.Ba8+– Rg8 (16...Bd3 17.Ne4 Be4 18.Be4+–) 17.Bg2 (17.h3 Nc6 18.Bc6 Qc6+–) 17...Bf8 18.Ne2 Ne6 19.0–0 a5 20.d4 Bb1 21.Qb1 ed4 22.cd4 Nf5 23.Qa1 cd4 24.Nd4 Ned4 25.ed4 Nd4 26.Bd4 Qd4 27.Qd4 Bg7 28.Qd3 h6 29.Nc4 Rf8 30.Rd1 b5 31.Na5 Ra8 32.Ba8 (32.Ba8 Kg8 33.Qf5 Bd4 34.Rd4 Kg7 35.Qe5 Kh7 36.Be4 f5 37.Rd7 Kg6 38.Qf5) 1–0. Fournier,Frederic (1915) – Darthsito (1930), Active Blind, 2008.

2.c3 h6 3.e4 Nf6 4.Nf3 Ne4 5.Qe2 Nf6 6.Ne5 Qe7 7.d4 d6 8.Nf3 Qe2 9.Be2 Bd7 10.0–0 Be7 11.Re1 0–0 12.c4 Re8 13.Nc3 c6 14.Bf4 Na6 15.a3 b5 (15...Nc7!?+=) 16.cb5+/– cb5 (Better is 16...Nc7!? 17.bc6 Bc6+/–) 17.Nb5+– Bb5 (17...d5 18.Ne5 g5 19.Bg3+–) 18.Bb5 Reb8 19.Ba6 Ng4 20.Re7 Rb6 21.Bc4 Rc8 22.Bf7 Kh7 23.Ra7 Rbc6 24.Nh4 Rc4 25.Bc4 Rc4 26.Bd6 Rd4 27.Nf5 Re4 28.f3 Nh2 29.Rg7 Kh8 30.fe4 Ng4 31.Rc1 Nf6 32.Rc8 Ng8 33.Rcg8# 1–0. b4_player (2235) – Jhonny (1620), GameColony.com, 2003.

2.Nc3 c6 (--> 1.b4 c6 2.Nc3 e5).

2.c4 b6 3.e4 Bb7 4.Qf3 g6 5.Nc3 f5 6.Bd3 a6 7.ef5?? Bf3–+ 8.Nf3 gf5 9.Bf5 Bg7 10.d4 ed4 11.Nd5 d3! 12.Rb1 Ne7 13.Bg5 Nbc6 14.Bd3 h6 15.Bh4 b5! 16.0–0 bc4 17.Bg6 Kf8 18.Rbd1 Qb8 19.Rfe1 Ng6 20.Re4 Nb4 21.Bg3 Na2 22.Nc7 Nc3 23.Bd6 Kg8 24.Re8 Qe8 25.Ne8 Nd1 26.Nc7 Rb8 27.Nd5 Rb1 28.g3 Ne3 29.Ne1 Re1# 0–1. aauerbach – maf, net–chess.com, 2001.

2.c4 c6 3.a3 d5 4.cd5 cd5 5.Bb2 Nd7 6.e3 Bd6 7.Nf3 Ngf6 (--> 1.b4 e5 2.a3 d5 3.Bb2 Bd6 4.Nf3 Nd7 5.e3 Ngf6 6.c4 c6 7.cd5 cd5).

2.c4 Nc6 3.Ba3 Nb4 4.Bb4 Bb4 5.Nc3 Ba3 6.Rb1–/+ d5?? 7.cd5?? Bd7 8.Qb3 Bc5 9.Qb7 Bb6 10.e4 Rb8 11.Qa6 Bg4 12.Nf3 Qd6 13.Qb5 c6? 14.Qa4?? Qf6?? 15.dc6+– Rc8 16.c7 Ke7 17.Nd5 Ke6 18.Nf6 Nf6 19.Bc4 Ke7 20.Ne5 Bd7 21.Nd7 Nd7+– 22.Qb4 Bc5 23.Qb7 Rce8 24.Qc6 Bd6 25.Rb7 a6 26.Qa6 Nc5 27.Qc6 Nb7+– 28.Qb7 h5 29.0–0 Rh6 30.e5! Be5 (31.c8Q) 1–0. Kluge,Leyla – Roch,Christine, Sachsen–ch U08 Girls, 2007.

2.c4 e4 3.Ba3 a5 4.b5?? c6?? 5.Bf8+= Kf8 6.f3 ef3 7.gf3?? Qh4 0–1. MC Q – breaker, ChessWorld.net, 2004.

2.c4 Nf6 (--> 1.b4 Nf6 2.c4 e5).

2.c4 g6 3.Bb2 Bg7 4.d4 d6 (--> 1.b4 e5 2.Bb2 d6 3.c4 g6 4.d4 Bg7).

2.c4 Qh4 3.Nf3 Qc4=+ 4.e4? Qe4–+ 5.Be2 g5 6.Nc3–/+ g4?? 7.Ne4+– gf3 8.gf3 Bb4 9.Rb1 a5 10.Bb2 Ne7 11.h4 Nd5 12.a3 f5 13.Be5 Rg8 14.Bc4 fe4 15.Bd5 Rf8 16.fe4 d6 17.Bg7 Rf7 18.Qg4 Bg4+= 19.Rf1?? Rf3 20.ab4= ab4 21.Rg1 Bh3? 22.Ke2 Rf4+= 23.Rb4 c6= 24.Bh6 Bg4 25.Kd3+/– Rf3 26.Kc4?? c5?? 27.Rg4+/– Ra4?? 28.Ra4+– Rf2 29.Ra8 Rd2 30.Rb8 Kd7 31.Rg7# 1–0. btomey – wtomey, net–chess.com, 2001.

2.d3 d6 3.e3 g6 (3...d5 4.a3+=) 4.Nf3= Bg7 5.c4 (5.e4 f5=) 5...Ne7 (5...e4 6.Nd4 c5 7.Nb3 ed3 8.Bd3–/+) 6.Be2 (6.e4 0–0=) 6...0–0?? (6...e4 7.Nd4 c5 8.Nb3 Ba1 9.Na1 ed3 10.Qd3 cb4 11.Bb2–/+) 7.0–0 (7.e4 f5=) 7...Bg4 (7...e4 8.Nd4 c5 9.bc5 dc5 10.Nc2 ed3 11.Bd3–+) 8.h3 (8.Bb2 a5 9.b5 Nd7=) 8...Bd7 (better is 8...e4!? 9.hg4 ef3 10.Bf3 Ba1 11.Bb7 Nd7 12.Ba8 Qa8–/+) 9.d4 e4 (9...ed4 10.ed4 (worse is 10.Nd4 c5–/+) 10...c5 11.b5=) 10.Nfd2 f5 11.Nc3 Be6 12.Qb3 Nd7 13.a4 g5 14.d5 Bf7 15.Bb2 c6 16.Nce4 fe4 17.Bg7 Kg7 18.Ne4 Nf5 19.f4 gf4 20.Qc3+= Kg8 21.Rf4 Bg6 22.Raf1 Qe7 23.g4 Nh4 24.g5? Rf4 25.Rf4 Be4 26.Rh4 Bg6 27.Bg4? Ne5 28.Be6 Kh8 29.Rf4 Rf8 30.Rg4? Bf5 31.Rg2 0–1. Skidgel,Wendell A – Katz,Benjamin (2005), Schenectady op10a, 2003.

2.d4 f6 3.Ba3 d5 4.de5= fe5 5.e3 e4?? 6.Nc3?? Nf6=+ 7.h3 a6 (8.Qd2 Nc6=+). AmericanRusky – Kevin@home, ChessWorld.net, 2005.

2.e3?? Nc6 3.c3 Nf6 4.Nf3 Ng4 (4...e4!? 5.Nd4 a5+=) 5.h3 e4 (5...Nf6=) 6.Ng1 (better is 6.hg4 ef3 7.gf3+/–) 6...Qh4?? (better is 6...Nf6+=) 7.Bb5?? (better is 7.Qg4 Qg4 8.hg4+–) 7...Qf2 0–1. Otschik,J – Glowacka,J, Augustow op U16 Poland, 1996. (=1.e3 e5 2.b4 Nc6)

2.e3?? d5 3.Bb2 Bb4 4.Be5 Nf6 5.h3 0–0 6.Nf3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.h3).

2.e3?? f5 3.d4 e4 4.c4 c6 5.d5 a3 0–1. Meisinger,Peter – Blankenberg,Bruno, DESC, 2000.

2.e3?? Qh4 3.Bb2 d6 4.c4 Nc6 5.b5 Na5 6.Nf3 Qe4 7.Nc3+/– Qg4 8.h3 Qe6 9.d3 Nf6+= 10.d4 Nc4= 11.Bc4 d5?? 12.Bb3 Bb4? 13.0–0 e4 14.Ne5 0–0 15.a3 Bd6 16.f4 ef3 17.Rf3 Be5 18.Bd5?? Nd5=+ 19.Nd5 Qd5–/+ 20.de5 Qb5 21.Qd4 Be6–+ 22.Raf1 c5 23.Qc3 b6 24.Qc2 g6 25.e4 Rad8 26.a4 Qc6 27.Rd1 Rd1–+ 28.Qd1 Qe4 29.Rf6 Bd5 30.Qf3?? Qb1 (31.Qf1 Qb2–+) 0–1. gtate (1945) – camcnt (1875), net–chess.com, 2003.

2.e4?? a5 3.c3?? (3.b5!?=) 3...h5 (better is 3...ab4 4.Nf3 Nf6–+) 4.g4?? (better is 4.b5 d5 5.ed5 Qd5 6.Na3+=) 4…hg4–+ 1–0. Pavasovic,D (2520) – Wong Meng Kong (2505), 34th Olympiad, Istanbul TUR, 2000. (=1.e4 e5 2.b4)

2.e4?? b5 (--> 1.b4 b5 2.e4 e5).

2.e4?? b6 3.a3= Bb7 4.Nc3 Nf6 5.d3 d5 6.ed5 Nd5 7.Bb2 Nc3 8.Bc3 Nd7 9.Nf3 Bd6 10.Be2 0–0 11.0–0 f5 12.Qd2 h6 13.d4 Bf3 14.Bf3 (worse is 14.gf3 Kh7 15.f4 e4+=) 14...e4 15.Be2 Nf6 16.Bc4 Kh8 17.Rfe1 c5 18.bc5 bc5 19.dc5 Bc5 20.Qd8 Rad8 21.Bb4 Bb4 22.ab4 Rd4 23.Be6 Rb4 24.Bf5 Rf7 25.c3 Rb2 26.h3 Rc2 27.c4 Re7 (worse is 27...Rc4 28.Be6 Rcc7 29.Bf7 Rf7 30.Re2+–) 28.Red1 Rc4 (better is 28...g6!? 29.Bg6 Kg7=) 29.Rd8+/– Re8 30.Re8 Ne8 31.Ra7 Nc7 32.Bg6 Kg8 33.Ra3 Kf8 34.Re3 Rc1 35.Kh2 Ke7 36.Be4 Kf6 37.g3 g5 38.Rb3 Re1 39.Rb6 Ne6 40.Bd5+– Kf5 41.Be6 Re6 42.Re6 Ke6 43.Kg2 Kf5 44.Kf3 h5 45.g4 hg4 46.hg4 Ke5 47.Ke3 Kd5 48.f4 gf4 49.Kf4 Ke6 50.Kg5 1–0. Fournier,Frederic (2535) – Bodart,Jeffrey (2180), Echecsemail.com (Team), 2013.

2.e4?? Bd6 3.Qg4 Qf6 4.Nc3= Nh6 5.Qh3 0–0 6.Nd5 Qd8 7.a3 c6 8.Ne3 Qf6 9.Qf3 Qf3 10.Nf3 b6 11.Nc4 Be7 12.Nce5+/– c5? 13.bc5+– Bc5 14.d4 Bd6 15.Nc4 b5?? 16.Nd6 Nc6 17.Bh6 gh6 18.Bb5 a6 19.Bc6 dc6 20.Ne5 Be6 21.Nc6 Rac8 22.d5 Bd5 23.ed5 (23…Rc7 24.c4+–) 1–0. mrkt – globus777, kurnik, 2007.

2.e4?? Qf6 3.Nf3 Bb4 4.c3 Bc5 5.d4 ed4 6.Qa4? dc3–+ 7.e5 Qe6 8.Nc3–/+ Nh6 9.Bc4 Qb6?? 10.Rb1?? Qg6–/+ 11.Rb5?? b6 12.0–0 a6 13.Rb2 Ng4 14.Re2 b5?? 15.Nb5+/– ab5 16.Qa8+– 0–0 17.Bb5 c6 18.Qb8 cb5 19.Qb5 Qb6?? 20.Qc4 Ba6+= 21.Qc2 d5?? 22.Ng5 h6?? 23.Qh7 1–0. retonini – ahwerle, net–chess.com, 2003.

2.e4?? Qh4 3.Nc3 Nc6 (better is 3...Bb4!? 4.Nf3 Qd8+=) 4.Nf3+= Qh5 5.b5 Nd4 6.Nd4 Qd1 7.Kd1 ed4 8.Nd5 Bd6 (8...Kd8 9.Bb2 c6 10.Nf4+=) 9.Bb2 (9.Ba3 Ne7 10.Bd6 Nd5 11.ed5 cd6+–) 9...c6 10.Bd4 f6 11.Ne3 cb5 12.Bb5 a6 13.Bc4 b5 (better is 13...Be5 14.Be5 fe5 15.Bg8 Rg8+–) 14.Bd5 Ne7 (14...Rb8 15.Ba7 Ne7 16.Bb8 Bb8+–) 15.Ba8 Ng6 (15...Be5 16.Be5 fe5 17.a4 ba4 18.Ra4+–) 16.c3 Nf4 17.a4 Nd3 (17...ba4 18.Ra4 Kf7 19.Nf5+–) 18.Kc2 Nf2 (18...Nf4 19.ab5 ab5 20.Rhb1+–) 19.Nf5 Bf8 20.Bf2 g6 21.ab5 gf5 (21...ab5 22.Ne3+–) 22.ba6 Bd6 23.a7 0–0 24.Bd5 Kh8 25.a8Q Be5 26.d4 Bf4 27.g3 Bh6 28.Qa3 d6 29.Qd6 fe4 30.Be4 f5 31.Bd5 Bg7 32.Be3 Rf6 33.Bf4 Rd6+– 34.Bd6 f4 35.gf4 h5 36.Ra8 Kh7 37.Rc8 Kh6 38.Be5 h4 39.Bg7 Kg7 40.Rg1 Kf6 41.Rf8 Ke7 42.Rf7 Kd6 43.c4 h3 44.Rg6 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

2.e4?? Nh6 3.f4 (better is 3.a3!?=) 3...Bb4 4.c3 Bc5 5.Nf3 ef4 6.d4 Bb6 7.Bf4 Nc6 (7...Ng4 8.Bc4=) 8.Bg5+= Ne7 9.Bd3 c5 10.0–0 cd4 11.cd4 f6 (11...Ng4!? 12.Qa4 f6=) 12.Bh6+/– gh6 13.Nc3 Rg8 14.Kh1 d6 15.Bc4 Rg7 16.e5 (16.Bb5 Bd7+/–) 16...de5+= 17.Ne4 (better is 17.de5 Qd1 18.Rad1+= (18.Rfd1?! fe5 19.Ne5 Nf5=)) 17...ed4?? (better is 17...Nc6 18.de5 A) 18...Ne5?? 19.Ne5 Qd1 20.Nf6 Ke7 21.Rad1+– (21.Rfd1?! Kf6 22.Nf7 Rg6=); B) 18...fe5 19.Ne5 Qd1 (worse is 19...Ne5 20.Qh5 Ng6 21.Nf6 Qf6 22.Rf6+–) 20.Nf6 Kf8 21.Rad1 Ne5 22.Nd7 Ke7 23.Ne5 Ba5=) 18.Nf6+– Kf8 19.Nh4 Rf7 (19...Bf5 20.Nf5 Nf5 21.Rf5 Rg6 22.Nh5 Ke8 23.Bb5 Rc6+–) 20.Qh5 Rg7 21.Nd7# (21.Nh7#) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

2.f3 d5 3.e3 Bb4–+ 4.g4 c6 5.c3 Be7 6.a4 f6 7.h4 Nh6 8.Na3 Qa5 9.d3 Qc3 10.Ke2?? Qa1 11.g5 fg5 12.hg5 Nf5 13.Bh3 Nh4 14.Nc2 Qa4 15.Bb2 Bg5 16.Be5 Nd7 17.Bg7 Rg8 18.Be5 Ne5 19.Bc8 Rc8 20.Nh3 Bf6 21.Nf4 Nhf3 22.Rh7 Rb8 23.Rc7 Bh4 24.d4 Nc4 25.Qd3 Bg3 26.Ne1 Ne1 27.Qd1 Qa2 28.Kf1 Qf2 0–1. Bia,Bianca – Franziska,Franzi, remoteschach.de, 2002.

2.Nf3 d5 (--> 1.b4 d5 2.Nf3 e5).

2.Nf3 Bd6 3.c3 (3.b5 e4 4.Nd4 Be5+=) 3...Nf6 4.Qb3 (4.d3 Nc6=) 4...a6 (4...e4 5.Nd4 Be5–/+) 5.Ng5 (better is 5.Na3!?+=) 5...0–0–/+ 6.e3 h6 7.Nf3 Nc6 8.Bc4 (8.Be2 e4 9.Nd4 a5–/+) 8...Be7 (8...e4 9.Nd4–+) 9.Na3 (9.0–0 d5 10.Be2 Bg4–/+) 9...d5 10.Be2 e4 11.Nd4 Nd4 12.cd4 Bg4 (12...Qd6–/+) 13.h3 (better is 13.Bg4!? Ng4 14.h3–/+) 13...Be2–+ 14.Ke2 Qd7 15.f3 (better is 15.Bb2–+) 15...Nh5 16.Kf2 (16.Re1–+) 16...Bh4 17.Ke2 (17.Kg1 ef3 18.gf3 Qd6–+) 17...Ng3 18.Kd1 (18.Kf2 Nh1 19.Kg1 Nf2–+) 18...ef3 19.gf3 Nh1 20.f4 (20.d3 Nf2 21.Kc2 Rad8–+) 20...c6 (20...Nf2 21.Kc2–+) 21.Bb2 (21.Kc2 Nf2 22.d3 Rfe8–+) 21...Nf2 22.Kc2 Qf5 23.Kc3 0–1. spglenn – omnipotent00 (1710), gameknot.com, 2014.

2.Nf3 Qe7 3.Bb2 e4–/+ 4.Nd4 Qb4 5.Bc3 Qc4 6.e3=+ Qe6?? 7.Ne6+– de6 8.Qg4 Nf6 9.Bf6 gf6 10.Qe4 f5 11.Qe5 Bd6 12.Qh8 Bf8 13.Qh7 Nd7 14.h4 Nf6 15.Qh8 Ke7 16.h5 1–0. chessmann – FreshPrinc2, mySchach.de, 2005.

2.Nf3 g6 3.Bb2 (3.Ne5 Bb4 4.Nd3 Be7=) 3...Bg7 (3...f6 4.a3=) 4.Nc3 (4.Be5 Nf6+/–) 4...Nc6 (4...e4 5.Ng1+=) 5.a3 (5.b5 Nd4=) 5...d6 (5...e4 6.Ng1+=) 6.e4= Nf6 7.Qe2 0–0 8.Nh4 (8.Qd3!?=) 8...Nd4 (8...a5 9.Qc4–/+) 9.Qd1 (better is 9.Qd3!?–/+) 9...Ne4!–+ 10.Ne4 Qh4 11.Bd3 Bg4 12.Qc1 (12.Qb1 d5 13.Nc5 e4–+) 12...Bf5 13.Nc3?! (13.Ng3 Bd3 14.Bd4–+) 13...Bd3 14.cd3 Nb3 15.Qd1 Na1 16.Ba1 c6 17.Ne4 (17.0–0 d5–+) 17...d5 18.Nc5 a5 19.b5 (19.Bc3 Qe7–+) 19...Qe7 20.Qc2 (20.Na4 cb5 21.Nc3 Qa3–+) 20...cb5 21.0–0 (21.Nb3 a4 22.Nc1 Qa3–+) 21...Rfc8 22.d4 ed4 23.Rc1 b6 24.h3 (24.Qb1 bc5 25.Qb5 Bh6–+) 24...Qc5 25.Qc5 bc5 26.Re1 (26.Kf1 b4–+) 26...b4 27.Re7 c4 (27...Re8 28.Re8 Re8 29.ab4 Re1 30.Kh2 cb4 31.Bb2–+) 28.a4 Re8 29.Rd7 Re1 30.Kh2 Ra1 31.Rd5 c3 32.dc3 bc3 (32...dc3!? 33.Rc5 b3 34.h4–+) 33.Rc5 d3 0–1. Teske,Heike (2170) – Lueckerath,Heinz_Josef (2050), remoteschach.de, 2006.

2.f4? Bb4 3.c4? c5 4.Nf3 Nc6 5.fe5 Qc7 6.Bb2= Nge7 7.e3 d6 8.Nc3 de5=+ 9.Nd5 Nd5 10.cd5= Ne7 11.Be5 Qd7 12.d6 Nf5= 13.Bc4 Ne3 14.Qe2+= Nc2 15.Kf1?? 0–0–+ 16.Rc1 Qf5?? 17.Bd3+/– Qh5 18.Bc2 Bg4 19.Bg3 Rfe8+/– 20.Qd3 Bf3? 21.gf3 g6 22.Kg2 Rad8 23.Rhe1 Rf8 24.Re7 Qg5 25.f4 Qg4 26.Bd1 Qc8 27.Bf3 b6?? 28.Rce1 c4 29.Qd5 Rd6 30.Qd6?? Bd6–+ 31.Ra7 f5?? 32.Bd5 Kh8 33.Bf2 Qb8 34.Bd4 Be5 35.Be5 Qe5 36.Re5 (36…Rd8 37.Ree7 Rd7 38.Ra8 Rd8 39.Rd8#) 1–0. NightClub – nitehawk7, Live Game Caissa's Web, 2005.

2.f4 e4 3.Bb2=+ d5 4.c4 c6 5.cd5=+ cd5 6.d4? Bb4–+ 7.Nd2?? Nf6 8.e3 0–0 9.Be2 Nc6 10.Qb3 Qd6 11.a3 Ba5 12.a4 Qb4 13.Qb4 Bb4 14.Ba3 Bg4 15.Bb5 Bd2 16.Kd2–/+ Rfc8 17.Ne2 a6 18.Bc6–/+ bc6 19.Rhc1 Nd7 20.h3 Be2–/+ 21.Ke2 Rab8 22.a5 Rb3 23.Bd6 h6 24.Kd2 Rd3 25.Ke2= Nf6 26.Rab1+= g5 27.fg5+/– Ne8 28.Be7 hg5 29.Rb6 Rc7 30.Bg5+– Kh7 31.Bf4 Ra7 32.Rcc6 Ra3 33.Rb8 Ng7 34.Rh6# 1–0. gtate (1965) – gfry (2005), net–chess.com, 2007.

2.f4 Qh4 3.g3 Qh5 4.Nf3 ef4 5.gf4 Bb4 6.Rg1 g6 7.Rg5 Qh6 8.Re5 Ne7 9.c3 Bd6–+ 10.Re7 Be7 11.d4 Bh4 12.Kd2 d6 13.Qe1 Be1 14.Ne1 Qh2 15.Nf3 Qf4 16.e3 Qf3 17.Be2 Qf2 18.Ba3 Bg4 19.Bb4 Qe2 20.Kc1 Bf5 21.Nd2 Qe1 22.Kb2 Qd2 23.Ka3 Nc6 24.c4 Qe3 25.Ka4 Bc2 26.Kb5 a6 0–1. formrtexn – jfleming, net–chess.com, 2002.

2.g4?? d6 3.a4 f6 4.Nf3 g5 5.Nc3 h6 6.e3 c5 7.bc5 b6 8.cb6 ab6 9.e4 Bb7? 10.Ra3 Ra5? 11.Be2 Ne7? (12.Bb5 Nd7+/–; better is 11...d5!? 12.Bb5 Kf7 13.Nd5 A) < 13...Bd5 14.Rd3+– (14.ed5?! Ba3 15.Ba3 e4+=); B) 13...Ba3 14.Ba3 Bd5 15.ed5 Qd5=). Dabelstein,Tim (1800) – Bia,Bianca, remoteschach.de, 2002.

2.g4?? Qf6 3.c4 Bb4 4.Nf3?? Bc5 5.d4 ed4–+ 6.e4?? d3! 7.Bd3?? d6 8.Ke2?? Bg4 9.Bb2 Qf3 10.Ke1 Qh1 (11.Bf1 Bd1 12.Bg7 Qe4 13.Kd1 Qg4 14.Kc2 Qg7–+; 10...Qd1) 0–1. donlissa – wtomey, net–chess.com, 2001.

2.g4?? Qh4 3.d3 Bb4 4.c3 d6?? 5.h3?? Bc5–/+ 6.e3 Nh6 7.d4 Bb6 8.Rh2 ed4 9.ed4? f5 10.Ba3? fg4 11.Qa4 Kd8 12.Nd2 Bf5 13.Nc4 Rf8 14.Rb1?? Bb1 15.Qd1 Nc6 16.Qb1 Nd4! 17.cd4 Bd4 18.Qd1?? Bc3 19.Ke2 a5 20.Qc2?? Bd4 21.Qd3 Bf2 22.hg4 Qh2 23.Nf3 Qh1 24.Bh3 Qh3 25.Kf2 Ng4 26.Ke2 Ra6 27.Bb2 Rc6 28.Qf5 Rf5 29.Nd4 d5 30.Na5 Rb6 31.Nf5 Rb2 32.Kd1 Qh1# 0–1. Bia,Bianca – Moch,Stefan, remoteschach.de, 2002.

2.Nh3 Bb4 3.a3 Be7 4.Ra2 d5–+ 5.a4 c5 6.a5 Nc6 7.c3 Na5 8.Qa4 Nc6 9.Qb5 Nf6 10.Na3 0–0 11.d3 Qc7 12.Bg5 Re8 13.e3 a6 14.Qa4 Bd7 15.f3 Nb4 16.Qb3 Na2 17.Qa2 b5 18.d4 ed4 19.ed4 Bh3 20.gh3 cd4 21.Bd3 Qc3 22.Ke2 Ba3 23.Be4 de4 24.f4 Qf3 25.Kd2 Bb4 26.Kc2 Qh1 27.Qb1 Qh2 28.Kb3 Bc3 29.Bh4 Nd5 30.Qc1 a5 31.f5 a4 32.Ka3 b4 0–1. krsmth – smithche (1920), net–chess.com, 2001.

2.h4 Qf6 3.c4 Bb4–+ 4.Qb3 Ne7?? 5.Qb4+– 0–0 6.g3 Nbc6 7.Ba3?? d6 8.Nc3?? Rd8 9.0–0–0?? Nb4–+ 10.Bb4 Be6 11.Bh3 Rac8 12.Ne4 Qh6 13.Nf3 a6 14.g4 b6 15.g5 Qg6 16.h5 Qe4 17.d3 Qc6 18.Nd4 Bd7 19.Nf5?? Ra8 20.Ne7+– Kf8 21.Nc6 Bc6 22.Rdg1 Re8? 23.f4?? Ba4?? 24.Bd7?? Bd7=+ 25.fe5 f5?? 26.g6 hg6 27.ed6+/– cd6 28.c5?? d5?? 29.Rg6?? Re2? 30.Re1?? Re1–/+ 31.Kc2?? Re3 32.h6? gh6 33.d4 f4 34.cb6 Ke8 35.Rg8=+ Kf7 36.Rf8?? Rf8–+ 37.b7 Rb8 38.a4 Rb7 39.Ba3 Rb8 40.a5 Rg8 41.Bc5 Rg2 42.Kc1 Re1 0–1. idontknow – edonaghy, net–chess.com, 2006.

2.Ba3

2.Ba3 (--> 1.b4 e5 2.Ba3).

2.Ba3 d5 3.b5 (--> 1.b4 e5 2.b5 d5 3.Ba3).

2.Ba3 d5 3.b5 Ba3 4.Na3 Nf6 (--> 1.b4 e5 2.Ba3 Nf6 3.b5 Ba3 4.Na3 d5).

2.Ba3 d5 3.e3 Nf6 (--> 1.b4 e5 2.Ba3 Nf6 3.e3 d5).

2.Ba3 Nf6 3.Nf3 e4 4.Nd4 d5 5.e3 (--> 1.b4 e5 2.Ba3 Nf6 3.e3 d5 4.Nf3 e4 5.Nd4).

2.Na3?? d5

3.Rb1 Nc6 4.g4? Bg4 5.f3?? Qh4 0–1. pinochleterrorist – pierredl, Yahoo, 2005.

3.c3 c5 4.Nc2.

2.a4?? Qf6

3.Nc3 Bb4 4.Nd5 Qd6 5.Nb4 Qb4 6.c3 Qe7 7.d3 a5 8.Nf3 d6 9.Rb1 c6 10.e4 Nf6 11.Be2 h6 12.0–0 0–0 13.Be3 Nfd7 14.Nd2 Na6 15.f4 f5 16.Nc4 fe4 17.de4 Nf6 (Better is 17...ef4 18.Bf4 d5 19.ed5 Nac5+/–) 18.Qd6+– Qd6 19.Nd6 Ng4 20.Bb6 ef4 21.Nc8 Rac8 22.Bg4 Rce8 23.Bf5 Nb8 24.Bc5 Rf5 25.ef5 Re4 26.Rb7 Na6 27.Bd6 Rc4 28.f6 gf6 29.Re1 Rc3 30.Re8 1–0. Trkn – guest1045, ICC, 2004.

3.c4 Nh6 4.e4 c5 5.bc5 Bc5=+ 6.Nc3?? Qf2. barbermachine – crazypyroman, internet, 2007.

2.b5 a5

(--> 1.b4 a5 2.b5 e5).

3.Bb2 d6 4.e3 Nf6 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 e5).

3.Bb2 e4 4.c4 d5 5.e3 c6 (--> 1.b4 c6 2.e3 a5 3.b5 d5 4.c4 e5 5.Bb2 e4).

2.b5 f5

3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.b5 f5).

3.Bb2 Ne7 4.Be5 d6 5.Bb2 Bd7 6.a4 g6?? 7.Bh8+– d5 8.Nf3 d4 9.Bd4 c6 10.c4 1–0. pumpkin (2230) – albertopv, net–chess.com, 2005.

3.e3 d6 4.c4 Nf6 5.f3 Be7 6.Bb2 Be6 7.Qc1 Nbd7 8.d4 0–0 9.d5 Bf7 10.Bd3 e4 11.fe4 Ne4 12.Be4 fe4 13.Nc3? (better is 13.Ne2!?+=) 13...Nc5–+ 14.Qc2 Nd3 15.Kd2 Bg6 16.Nge2 Bg5 17.Raf1? (better is 17.Rhf1–/+) 17...Be3! 18.Kd1?! (18.Ke3 Decoy to e3 18...Qg5) 18...Qh4 19.Ng3 Nf2 20.Rf2 Rf2 21.Nce2 Raf8 22.Qc3 Threatening mate: Qxg7 22...Bh6 23.Qd4 b6 (23...b6 24.Rg1 Qh2–+) 0–1. Giraud,Charles – Colussi,Eric, corr FRA Cup9/3T/04, 1999.

2.b5 Qg5

3.d4 e4?? 4.Bg5+– Nc6 5.bc6 Nf6 6.Bf6 Bb4 7.c3 gf6 8.cb4 dc6 9.d5 Bg4 10.f3 Rd8 11.fg4 Rd5 12.Qd5 0–0 13.Qe4 Re8 14.Qe8 (14...Kg7 15.e3 b5 16.Ne2 f5 17.Ng3 fg4 18.Qe5 Kg6 19.Bd3 f5 20.Qe6 Kg7 21.Nf5 Kf8 22.Qf6 Ke8 23.Qe7#) 1–0. MasterofDisaster – sparkee, Live Game Caissa's Web, 2004.

3.d4 Qe7 =.

3.d4 Qh4 4.Nf3 Bb4? 5.c3+– Bc3 6.Nc3 Qe7 7.de5 f6 8.Nd5 Qc5 9.Be3 Qb5 10.Nc7 Kd8 11.Nb5 a6 12.Bb6 Ke8 13.Nc7 Ke7 14.Bc5 d6 15.Qd6 Kf7 16.Nh4 Be6 17.Qe6# 1–0. Pierred (2105) – Desert eagle1903, Rated game, 1m + 2s, 2005.

2.b5 Qh4

3.Nf3= Qb4 4.Nc3 e4 5.Rb1 Qe7 6.Nd4 Nf6 7.e3 c6 8.d3 Qc5? 9.Ne4+/– Ne4 10.de4 a6 11.bc6 dc6 12.Bd3 Bd6 13.0–0+/– Bc7 14.Rb3 Qd6 15.f4 0–0 16.Ba3+– c5 17.Qh5 b6 18.e5 Qh6 19.Qh6 gh6 20.Nf5 Bf5 21.Bf5 Rd8 22.Rd3 Ra7 23.e6 Re8 24.ef7 Kf7 25.e4 Kg7 26.Rh3 Nc6 27.Bd7 Re4 28.Bc6 Rf4 29.Bb2 Kf8 30.Re1 Bd6 31.Re8 Kf7 32.Rh8 Rc7 33.Rh7 Kf8 34.Rh8 Kf7 35.Be8 Ke6 36.R8h6 Kd5 37.R6h5 Kc4 38.Rc3 Kb4 39.Rb3 Kc4 40.Bg6 Rf5 41.Bf5 Kd5 42.Bd7 Ke4 43.Bg4 Rf7 44.Bf3 Kf4 45.g3# 1–0. Schulz,Hans_Juergen – Valica,Slavo, b2–b4.com, 2004.

3.Nf3= Qf6 4.e4 b6 5.Bb2+= d6 6.d4 ed4 7.Bd4 Qf4 8.Nc3 c5 9.Be5!+– de5 10.Qd5 Nd7 11.Qa8 Kd8 12.Bc4 Nh6 13.Rd1 a6 14.ba6 Kc7 15.Rd7! Kd7 16.Qa7 Kd8 17.Qb6 Kd7 18.Bb5 Ke7 19.Nd5 1–0. Baumann,Heinz – Grimm,Manfred, remoteschach.de, 2003.

2.b5 Nh6

3.Bb2 f6 4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Nh6).

3.Bb2 f6 4.e4 Na6?? (better is 4...d5 5.ed5 Qd5=) 5.ba6+– ba6 6.Nc3 d6 7.Bc4 Bg4 8.Nf3 Bh5 9.Ba6 Qb8 (9...Rb8 10.Bb5 Ke7 11.Ne5 Rb5 12.Nc6 (< 12.Qh5 Re5 13.Nd5 Kd7 14.Be5 de5+–) 12...Kd7 13.Nd8 (< 13.Nb5 Bd1 14.Nd8 Bc2+–) 13...Bd1 A) 14.Kd1 Rb2 15.Kc1 Rb8–+; B) 14.Nd1?! Kd8 15.Rb1 c6+/–; C) 14.Rd1 Rb2 15.Na4 Rb4–+ (15...Rc2?! 16.Nb7–/+); D) 14.Nb5 Bc2 15.Ne6 Ke6 16.Nd4 Ke5 17.Nc2 Ke4 18.Ne3+–) 10.Bb5 c6 (10...Kd8+–) 11.Bc6 Kd8 12.Rb1 d5 (12...f5 13.Ba8 Qa8 14.d3+–) 13.Nd5 Qd6 (13...Bc5+–) 14.Ba8 (14...a6 15.d4 ed4 16.Bd4+–) 1–0. Taulien,Hans_Juergen – Boeer,Marko, remoteschach.de, 2002.

3.c4 d5 4.d3 (4.cd5 Qd5 5.Nc3 Qc5=) 4...c6 (4...Ng4 5.Nf3 Bc5 6.e3 dc4 7.h3=+) 5.Qd2 (5.Bh6 gh6 6.Nf3 dc4=+) 5...f6 (5...Bc5 6.Nf3 dc4 A) 7.Ne5? Qd4 (7...cb5?! 8.e3=+) 8.Bb2 Qf2 9.Kd1 cb5–+; B) 7.dc4=+) 6.Ba3 (6.cd5 cd5 7.d4 e4=+) 6...Nf7 (6...Ba3 7.Na3 0–0 8.cd5 Qd5 9.Rb1=+) 7.g3 (7.Bf8 Rf8 8.cd5 cd5=) 7...g6 (7...Ba3 8.Na3 Qe7 9.Qc3–/+) 8.Bb4 (8.Bf8 Rf8 9.Bg2 Be6 10.cd5 Bd5=+) 8...Bh6 (8...Be6 9.Bf8 Rf8 10.e3=+) 9.e3 (9.Qc2 cb5 10.cb5 Be6=+) 9...a5 10.Ba3 Bf5 (10...cb5 11.cb5 d4 12.Bg2–/+) 11.bc6 Nc6 12.Qb2 a4 13.Bg2 Qa5 14.Bb4?? Nb4–+ 15.a3 Nd3 16.Kf1 Nb2 17.Bd5–+ Bd3 18.Kg2 0–0 19.Nc3 Qc3 (20.Nf3 Nc4–+) 0–1. marchl@ – LeGurp@, mySchach.de, 2004.

3.c4 Ng4 4.Nc3 =.

2.c3 b6

3.Bb2 c6 4.e3 b5 (4...Nf6 5.Nf3 e4 6.Nd4+=) 5.Nf3 c5 (better is 5...e4!? 6.Nd4 d5=) 6.bc5 (6.Bb5?! e4 7.Ng1 Qg5+=) 6...d6? (better is 6...e4!? 7.Ne5 Nc6+/–) 7.cd6 Qd6 (7...Bd6 8.Bb5 Bd7+–) 8.d3?? (better is 8.Ne5 Qd5 9.c4 bc4 10.Bc4 Qg2 11.Qa4 Nd7 12.Bf7 Kd8 13.Qa5 Nb6 14.Bd5 Qd5 15.Qd5 Nd5 16.Nf7 Ke8 17.Nh8+–) 8...Qd3?? (better is 8...Nd7+/–) 9.Bd3 f5 10.Bf5! b4 (10...Bf5 11.Qd5 Combination) 11.Bc8 bc3 12.Nc3 e4 13.Ne4 g6 14.Bh8 (14.Bh8 Bb4 15.Ke2+–) 1–0. Fournier,Frederic (1960) – lulaski (1665), Active, 2009.

3.d4 ed4 4.Qd4 Bb7 5.Qe5 Ne7 6.e4 d6 7.Qf4 Ng6 8.Qf5 Qf6 9.Bb5 c6 10.Qf6 gf6 11.Bf1 Bg7 12.Nf3 0–0 13.Nd4 Nd7 14.Nf5 d5 15.ed5 cd5 16.Be3 Rab8 17.Na3 Nde5 18.Nb5 Nc4 19.Na7 Nge5 20.Nb5 (20.Ng7?! Kg7 21.Nb5 Ra8+/–) 20...Ne3 21.fe3 Nc4 22.Nc7 Rfe8? 23.Ne8 Re8 24.Bc4 dc4 25.0–0 Be4 26.Ng7 Kg7 27.a4 Bd3 28.Rf3 h5 29.a5 Kh6 30.Rf6 Kg5 31.Rb6 Re3 32.Rc6 h4 33.a6 Re2 34.b5 Be4 35.a7 Rg2 36.Kf1 Rh2 37.a8Q Bd3 38.Kg1 Re2 39.Qg8 Kf4 40.Rf1 Ke3 41.Qg5 Ke4 42.Qh4 Ke3 43.Qf4# 1–0. Fritz 6 – NN, 2003.

3.e4 Bb7 4.d3 d5 5.Qa4 Nd7 6.Nd2 Ngf6 7.Ngf3 Bd6 8.d4 0–0 9.Bd3 de4 10.de5 ef3 11.Nf3 Ne5 12.Ne5 Be5 13.Qc2 Re8 14.0–0 Qd5 15.f3 Rad8 16.Rd1 Kh8 17.Bg5 Bd4 18.cd4 Qg5 19.Qf2 Re3 20.f4 Qd5 21.Rac1 Rde8 22.Bc4 Qe4 23.Bf7 Re2 24.Qf3 Rg2 0–1. sekhmet – w77, playchess.de, 2001.

3.Nf3 d6 4.d3 h6 (4...Nf6 5.e4=) 5.h3 (5.e4 Nf6+=) 5...Qf6 (5...Nf6 6.e4=) 6.g4 (6.e4 a5+=) 6...Be7 7.Bg2 Bb7 (7...d5 8.Nbd2=) 8.e4 (8.g5 hg5 9.Bg5 Qf5=) 8...Qg6 9.Be3 h5 10.Ne5?? (Better is 10.g5+=) 10...de5–+ 11.Qa4 Bc6 12.b5 Bb7 13.Qc4 c5 14.Rg1 hg4 15.Bf3 Qf6 16.Rg3?? gh3 17.Bg5 Qd6 18.Be7 Ne7 19.Rg7 h2 20.Nd2 h1Q 21.Bh1 Rh1 22.Nf1 Qf6 23.Rg4 Nd7 24.Ke2 a6 25.Qa4 ab5 26.Qb5 Bc6 27.Qc4 Qe6 28.f3 Qc4 29.dc4 b5 30.Rb1 bc4 31.a3 Ra3 32.Kd2 f5 33.Rg5 fe4 34.Ng3 Rb1 35.fe4 Ra2 36.Ke3 Rb3 37.Ne2 Nb6 38.Rh5 Na4 39.Rh8 Kd7 40.Kf3 Nc3 41.Ng3 Ne4 42.Kg4 Rg3 43.Kh4 0–1. kruiki – manormoIV, Live Game Caissa's Web, 2004.

2.c3 Bd6

3.d3 Nf6 4.Nf3 e4 5.de4 Ne4 6.Qc2 Nf6 7.e3 0–0= 8.Bc4 Nc6 9.0–0 Ng4 10.h3 Nge5= 11.Ne5 Ne5 12.Bd3 (12…Nd3 13.Qd3=; 12.Bd5!?=). katrica (1645) – mrj, internet, 2007.

3.d4 e4 (better is 3...ed4 4.Nf3 Nf6+=) 4.f3 (4.Nd2 e3 5.Ne4 ef2 6.Nf2 a5+/–) 4...Nf6 (better is 4...Qh4!? 5.Kd2 Nf6–/+) 5.fe4 Ne4 6.Nd2?? (better is 6.Nf3 0–0 7.Nbd2+=) 6...Nc3 (6...Qh4 7.g3 Bg3 8.hg3 Qg3) 7.Qb3 (7.Nc4 Nd1 8.Nd6 cd6 9.Kd1–+) 7...Qh4 8.g3 Bg3! 9.hg3 (9.hg3 Qg3 Mate attack) 9…Qg3 (9...Qh1 10.Ngf3 Ne2 11.Ke2=) 0–1. Kostova,Maria – Cvikova,Katarina, II. Ladies Slovakia Championship, Semif, 2009.

3.g3 Nf6 4.Bg2 0–0 5.Nf3 e4 6.Ng5 Re8 7.d3 ed3 8.Qd3 Nc6 9.0–0 Ne5 10.Qd1 Neg4 11.Qb3 Re7 12.Bd5 Nd5=+ 13.e4?? Ndf6 14.Re1 Be5 15.Be3 d5 16.ed5 Nd5 17.c4 Ba1 18.cd5 Ne3 19.Re3 Re3 20.Qe3 Bf5 21.Nd2 h6 22.Ngf3 Qd5 23.Nb3 Be4 24.Nh4 Bf6 25.Nf3 Bf3 (26.Nd2 Bh1–+) 0–1. rooked (2000) – mcgoo (2050), net–chess.com, 2004.

2.c3 e4

3.d3 f5 4.de4 fe4=+ 5.e3 d5 6.g3 g6 7.Bg2 (7…Nf6 8.Ne2–/+; 7.Bb2 Nf6=+). katrica (1645) – AndrewDev, internet, 2007.

3.d3 Nf6 4.de4 Ne4 5.Be3 Qf6 6.Nf3 Nc3–/+ 7.Nc3 Bb4–+ 8.Bd2 Bc3 9.Bc3 Qc3 10.Nd2 Qb2 11.e3 d5 12.Be2 Bf5 13.0–0 Nc6 14.f3 Qb6 15.Qb3 Qb3 16.ab3 0–0 17.e4 de4 18.fe4 Be6 19.Bb5 Rad8 20.Rad1?? Ne5 21.h3 a6 22.Be2 h6 23.Nf3 Nf3 24.Bf3 Bb3 25.Rd8 Rd8 26.Rb1 Rd3 27.e5 b5 28.Bh5 g6 29.Bf3 Re3 30.h4 Bc4 31.Rd1 Re5 32.Kh2 c5 33.Ra1 b4 34.Kg3 g5 35.hg5 Rg5 36.Kh2 b3 37.Rb1 a5 38.Bc6 f5 39.Ba4 f4 40.Bb3 Bb3 41.Rb3 Rh5 (42.Kg1 Kf7–+) 0–1. alanwsp (1835) – pjp (1730), net–chess.com, 2004.

3.d3 Nf6 4.Bg5 Be7 5.de4 Ne4=+ 6.Be7 Qe7 7.Nd2 Nc3–/+ 8.Qb3 Qf6 9.Rc1+= d5? 10.Rc3 0–0 11.Rf3 Bf5 12.e4 Qa1 13.Ke2 Be4 14.Ne4 de4–/+ 15.Rf4 Nc6 16.Qd1?? Qb2 17.Ke1 Qb4 18.Qd2–/+ a5 19.Re4?? Qe4–+ 20.Be2 Qg2 21.Bf3 Rfe8 22.Ne2 Qf3 23.Rg1 Nd4! 24.Kd1 Ne2 25.Re1 Nc3 26.Kc1 Na2! 27.Kb2 Nb4 28.Re8 Re8 29.Qc3 Qf2 30.Kb3 Re3 31.Qe3 Qe3 (32.Kb2 Qd2 33.Kb1 Qc2 34.Ka1 Qc1; 31...Qc2 32.Ka3 Qa2) 0–1. Headhunter70 – eccastro, internet, 2007.

3.d4 d5 (--> 2.c3 d5 3.d4 e4).

2.c3 Be7

3.d3 a6 4.Nf3 d6 5.e4 b5 6.a4 Bd7 7.d4 ba4 8.de5 de5 9.Ne5 Bb5 10.Qd8 Bd8 11.Bc4 Bc4 12.Nc4 Nc6 13.Ra4 Nge7 14.Be3 0–0 15.Nbd2 Ng6 16.f4 Nh4 17.Kf2 Ng6 18.Rha1 Be7 19.b5 a5 20.bc6 Bd6 21.Nd6 cd6 22.Ra5 Ra5 23.Ra5 Ne7 24.c7 Nc6 25.Ra6 Ne7 26.Rd6 Ra8 27.Rd8 Rd8 28.cd8Q 1–0. guest1149 – guest387, ICC, 2003.

3.d3 d5 4.Bd2 Nf6–/+ 5.g3 0–0 6.Bg2 Bg4 7.a4 c6 8.Na3 a5–/+ 9.b5 Qb6 10.Be3 d4 11.Nc4=+ Qc5 12.cd4 ed4 13.Bd2 Nbd7 14.Na5 cb5 15.Nb3 Qb6 16.ab5 Ra1 17.Qa1+= Qb5 18.Nd4 Qb6 19.Ngf3 Bf3 20.Nf3 Bb4 21.0–0 Bc5 22.d4+– Bd6 23.Rb1 Qc6 24.Ne5 Qc7 25.Rb7 Qb7 26.Bb7 Re8 27.Nd7 Nd7 28.e4 f6 29.Qa6 Be7 30.Qe6 Kh8 31.Qd7 Rd8 32.Qe7 Rg8 33.Bh6! gh6 34.Qf6 Rg7 35.Bd5 h5 36.Qf8 (36…Rg8 37.Qg8#) 1–0. Ziese,Gerhard – Kientzler,Roland, corr SOK–89–37, 1989.

3.e3 Nf6 4.Nf3 0–0 (4...e4 5.Nd4+=) 5.d3 d6 6.Nbd2 a5 7.a3 ab4 8.cb4 c6 9.Bb2 Be6 10.Be2 d5 (10...b5!?+=) 11.0–0 c5 12.bc5 Bc5 13.Nc4?? (better is 13.Be5 Nbd7 14.Bd4+/–) 13...dc4–+ 14.dc4 Qd1 15.Rfd1 Nc6 16.Rab1? (16.Ne5 Ne5 17.Be5 Nd7–+) 16...Rfd8 (16...Bf5 17.Ne5 Bb1 18.Rb1 Ba3 19.Nc6 bc6 20.Bf6 gf6 21.g3–+) 17.g3? (better is 17.Ne5 Rd1 18.Rd1 Ne5 19.Be5–+) 17...Rd1 18.Bd1 Rd8 19.Be2 Ne4 20.Kg2?! Ng3 21.hg3 f5 22.Bd1?? f4 23.ef4 ef4 24.Bc2 fg3 25.fg3 Rf8?? 26.Rf1?? Bg4 27.Bd1 Bf3 28.Bf3+= Ne5?? 29.Be5+– Bd6 30.Bd6 Rf6 31.c5 Rg6 32.Rf2 h5 33.Bb7 h4 34.Bf3 hg3 35.Bg3 Rg3 36.Kg3 (36.Kg3 g6 37.c6 Kf8 38.c7 g5 39.c8Q Ke7 40.Bc6 Kd6 41.Rf5 g4 42.Qd7) 1–0. Fournier,Frederic (1815) – Gandinnik (1690), Active blind, 2011.

2.c3 f6

3.Qa4 c6 4.Nf3 b5 5.Qb3 Bb7 6.e4 d5 7.ed5+= cd5 8.Bb5 Nd7 9.0–0 Bd6 10.c4 d4? 11.c5+– Bb8 12.c6 (12…Bd6 13.cb7+– (< 13.cd7 Ke7+–)) 1–0. b4_player (2140) – zzz3012, GameColony.com, 2004.

3.e3 d5 4.Nf3 Nc6 5.d3 a6 6.Bb2 Bd6 7.Be2 Nge7 8.Nbd2 0–0 9.0–0 d4 (9...f5 10.a3=) 10.ed4 (10.cd4!? ed4 11.Nd4 Bb4 12.Qb3 Kh8 13.Ne4+=) 10...ed4= 11.cd4 (11.Nd4 Nd4 12.cd4 Nd5=) 11...Nb4 12.Rb1 Bf5 13.a3 Nd3?? (better is 13...Nbd5+=) 14.Bd3 Bd3 15.Ba1?? (better is 15.Qb3 Nd5 16.Qd3+–) 15...Bf1 16.Nf1 b5 17.Ne3 Ng6 18.d5 Ne5 19.Ne5 fe5 20.g3 Qf6 21.Rc1 Qg6 22.Rb1 e4 23.Qd4 Rad8 24.Qg7 Qg7 25.Bg7 Kg7 26.Rc1 Ba3 27.Ra1 b4 28.Ra3 ba3 0–1. Fournier,Frederic (1915) – TIGRECAMPEON (1630), Active blind, 2011.

3.e4 Nc6 4.Bb5 a6 5.Bc4+= b5 6.Bd5 Bb7 7.d3 Rb8 8.Bg8 Rg8+= 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 g5 12.Qh5+/– Ke7 13.Ne2 d5 14.0–0 de4 15.de4 Qd3 16.Ng3 Bc8 17.Be3 a5?? 18.Bc5 Ke6 19.Bf8 Rf7 20.Bc5 Rg7 21.Qe8 Ne7 22.Nf5 Rh7 23.Ne7 Qe4 24.Nc8 Kf5 25.Ne7 Re7 26.Qe7 c6 27.Qh7 Kf4 28.g3 Kf3 29.Nd2 Ke2 30.Qe4 Kd2 31.Rfd1 Kc3 32.Qd3 Kb2 33.Rd2 Ka1 34.Qf1 1–0. rodnel – sbderkach (1680), net–chess.com, 2006.

2.c3 Nh6

3.e4 Qf6 4.Qf3 d6 5.Qf6 gf6 6.f3 Be6 7.a4 Nc6 8.a5 f5 9.b5 Nd8 10.a6 fe4 11.fe4 b6 12.Ba3 Ng4 13.h3 Nf6 14.Nf3 Ne4 15.Bd3 Nc5 (better is 15...Ng3!? 16.Rg1 e4–+) 16.Bc5+= bc5 17.Ng5 h6 18.Ne6 Ne6 19.Be4 Rb8 20.Na3 Bg7 21.Bd5 Nf4 22.Bc6 Kf8 23.Nc2 d5 24.0–0 Rd8 25.Rf3 Ne6 26.Ne3 e4 27.Rf2 h5?? (better is 27...d4 28.Nd5 Rd6=) 28.Bd5+– Ng5 (28...Kg8+–) 29.h4 Nh7 (29...Bd4 30.Bc4 Be3 31.de3 Nh3 32.gh3 Rd7+–) 30.Rf7 Kg8 (30...Ke8 31.Rg7 Nf6 32.Bc6 Kf8 33.Rc7+–) 31.Rd7 Kf8 32.Rd8 Ke7 33.Rh8 Bh8 34.Nf5 (34.Nf5 Kf6 35.Be4+–) 1–0. maddoxdb – changazi, gameknot.com, 2013. (=1.c3 e5 2.b4 Nh6)

3.g3 Qf6 4.Nh3 d6 5.Bg2 Ng4 (6.d3 c6=; 5...d5 6.d3 a5 7.Ng5=+). Ridgereeno – monas, ChessWorld.net, 2005.

2.Nc3?? Nc6

3.a3 Nd4 4.e3= Nf5 5.e4 Nd4 6.Bc4 d5 7.ed5 c5 8.dc6!+/– bc6 9.Qh5 g6? 10.Qe5+– Ne7? 11.Qh8 Bg4 12.Qh7 Nc2 13.Kf1 Qd4 14.Qf7 Kd8 15.Qf8 Kd7 16.Qa8 Qe5 17.Qa7 Kd8 18.Nf3 Bf3 19.gf3 Qe1 20.Kg2 Qe5 21.d3 Nf5 22.Bg5 Ke8 23.Qf7 1–0. pjp (1680) – mjfogs, net–chess.com, 2004.

3.b5 Nb8 4.Ne4 a6 5.Rb1 ab5 6.Rb5 d6 7.e3 Ra2–/+ (8.d4 Bf5–/+) 0–1. pakistan – Daniel A, internet, 2007.

3.b5= Nd4 4.e3 Nf5 5.Nf3 d6 6.h4 Be6 7.Ng5 Nh4 8.Ne6+= Qe7?? 9.Bc4 Ng2 10.Kf1+/– Nh4?? 11.Nc7 Qc7 12.Rh4 Be7 13.Rg4 h5 14.Rg7?? Qc4=+ 15.Ke1 e4 16.f3?? Kf8 17.Rg2 Bh4 (18.Rf2 Nf6–+) 0–1. tuergeist – crca108, Kellertunier, 2005.

2.Nc3?? d6

3.e4 Nf6 4.d4 ed4 5.Qd4 Nc6 6.Bb5 a6 7.Bc6 bc6 8.Bg5 h6 9.Bf6 gf6 10.Nf3 Bg4 11.Nd2 Rg8 12.0–0 c5 13.bc5 dc5 14.Qa4 Ke7?? 15.Nd5+– Kd6 16.Nc4 Ke6 17.Nf4 Ke7 18.Nd5 Ke6 19.f4 c6 20.f5 Bf5 21.ef5 Kd7 22.Nf6! Qf6 23.Rad1 Ke7 24.Rfe1 Qe6 25.fe6 fe6 26.Nb6 Rb8 27.Rd7 Kf6 28.Rf1 Kg5 29.h4 Kh5+– 30.Rdf7 Bd6 31.Nd7 Rb4 32.Nf6 Kg6 33.h5 Kf7 34.Ng8 Kg8 35.Qc6 Bg3 36.Qe6 Kh8 37.Rf8 Kh7 38.Qg8 (38.Qg6) 1–0. Papa Lazarou II – lucky bucky, ChessWorld.net, 2004.

3.Nf3 Nf6 4.e3 e4 5.Nd4 d5 6.Rb1 c6 (6...Bd6 7.Be2=) 7.Be2 (7.d3 Nbd7+=) 7...a5= 8.ba5 Qa5 9.f3 (9.0–0!?+=) 9...ef3+= 10.Bf3 Bd6 11.0–0 Qc7 12.g3 0–0 13.Bb2 Nbd7 14.Nf5 Ne5 15.Be2 Bf5 16.Rf5 Ned7 17.Qe1 b5 18.Ra1 Ra7 19.a4 (19.Nd1 Rfa8–/+) 19...b4 20.Nd1 Rfa8 21.Nf2 Ra4 22.Ra4 Ra4 23.Qf1 Be5 24.d4 Bd6 25.Bd3 Ra2 26.Qb1 Qa7 27.Kg2 (27.e4 g6 28.Rf3 de4 29.Be4 Ne4 30.Ne4 Ne5–+) 27...Nb6 28.Kh1?? (better is 28.Rf6 gf6 29.Ng4–+) 28...Nc4 29.Bc4 dc4 30.c3 b3 31.Qc1 (31.Kg2–+) 31...Ba3 32.Ba3 (32.Qf1 Rb2 33.Nd1–+) 32...Qa3 33.Qa3 Ra3 34.Nd1 Ra1 (34...Ra1 35.Rf1 Ng4–+) 0–1. blake507 (2020) – chess_research (2225), gameknot.com, 2014.

2.c4?? d5

3.cd5 Qd5 4.e3 Bb4–/+ 5.Qa4 Nc6 6.Bb5?? Qg2–+ 7.Bc6 bc6 8.Qc6 Qc6 (9.f3 Qc1 10.Kf2 Qb2–+) 0–1. Robbie101 – CODD (1835), internet, 2007.

3.e3 Bb4–/+ 4.Qb3 Na6 5.Qa4 Bd7 6.Qc2 (6…dc4 7.Nf3–/+; 6.Qb3 Bc6–/+). Cleopatre – Prashant Sinha, internet, 2007.

2.c4?? d6

3.Bb2 f5 4.e3 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6).

3.e4 Nc6 4.a3 Nf6 5.Nc3 Be7 6.Nf3 Bg4 7.Be2 Qd7 8.b5 Nd4 9.Nd4 Be2?? (better is 9...ed4 10.Bg4 Ng4+=) 10.Nde2+– (worse is 10.Ke2 ed4 11.Nd5 Qg4 (11...Ne4?! 12.Re1 Nf6 13.Ne7 Ke7 14.Kf1 Kd8 15.Bb2=) 12.f3 Qg2 13.Kd3 Nd5 14.cd5 f5–/+; 10.Qe2?! ed4 11.Nd1 0–0=; 10.Nce2?! ed4 11.d3 d5 12.ed5 a6+/–) 10...0–0 11.d4 c6 12.a4 cb5 13.de5 Ne8 (13...b4 14.ef6 Bf6+–) 14.ed6 Bd6 (14...Qd6 15.ab5 Qe6 16.Qd5+–) 15.Nb5 (15.c5 Rd8 16.cd6 b4+–) 15...a6 (15...Bb4 16.Nbc3 Qe6+–) 16.Nd6 Nd6 (16...Qd6 17.Ba3 Qe5 18.Bf8 Kf8 19.f3+–) 17.0–0 (17.c5 Qe6 18.cd6 Qe4+–) 17...Rfe8 (17...Qc6 18.Ba3 Rfd8 19.Bd6 Rd6 20.Qc2+–) 18.Bf4 (18.c5 Re4 19.Ng3 Re6+–) 18...Rac8 (18...Rad8 19.Bd6 Qd6 20.Qd6 Rd6+–) 19.Qd6 Qg4 (19...Qd6 20.Bd6 Re4 21.Ng3 Rec4 22.Rfb1+–) 20.f3 Qg6 21.Qg6 fg6 22.Rac1 h6 23.Rfd1 g5 24.Bd6 White prepares c5 24...Kh7 25.c5 g6 26.e5 h5 27.Nd4 Kh6 28.e6 h4 29.e7 Kh5 30.Ne6 a5 31.Ng7 Kh6 32.Ne8 Re8 33.c6 bc6 34.Rc6 Kh5 35.Rdc1 g4 36.R1c5 Kh6 37.Rc8 Rc8 38.Rc8 Kg5 39.Rc5 Kh6 40.e8Q g5 41.Bf8 Kh7 42.Qf7 Kh8 43.Qg7 1–0. epasacrifice – pieeater, chessworld.net, 2012.

2.d3 Nc6

3.Bb2 Bb4 4.c3 Ba5 5.Nf3 d6 6.e4 Bg4 7.h3 Bf3 8.Qf3=+ Qf6 9.Nd2 Qf3 10.gf3 Nge7 11.Nb3 Bb6 12.Rg1 g6 13.h4 0–0–0 14.Bh3 Kb8 15.d4 ed4 16.cd4=+ Rhe8 17.d5? Ne5 18.Rg3?? Nd3–+ 19.Kf1 Nb2 20.Rb1 Nd3 21.Rd1 Nf2 22.Rd2 Nh3 (22...Nh3 23.Rh3 c6 24.dc6 bc6–+) 0–1. Conny@ – Hartmut, mySchach.de, 2003.

3.b5 Nb4 4.a3 Na6?? 5.ba6+– ba6 6.g4 Bb7 7.f3 Bf3?? 8.Nf3 Rb8 9.Be3 Nf6 10.Ba7 Rb1 11.Qb1 Ng4 12.Qb8 Ne3 13.Ne5 (13.Ne5 Qb8 14.Bb8 (14.Be3?? Qb2 15.Rd1 Qe5–+) 14...Nc2 15.Kd2 Na1 16.Bh3 Nb3 17.Kc3+–; better is 13.Qd8 Kd8 14.Be3+–) 1–0. richard_rl – Suzane, InterAjedrez (year?).

2.d4 Nc6

3.c3 ed4= 4.b5 Nce7 5.Nf3 dc3=+ 6.Nc3 Nf6 7.e4 d5 8.e5 Ne4 9.Ne4 de4 10.Qd8 Kd8 11.Ng5 Kd7 12.Nf7 Rg8 13.Bc4 Ke8 14.Ng5+– Rh8 15.0–0 Bf5+/– 16.Rd1 (16…Bg6 17.Re1+–) 1–0. Knorr,B – Lang,L, corr SOK–92–92, 1992.

3.de5 Ne5 4.a3 Be7 5.Qd4 d6 6.c3 Nf6 7.h3 b6 8.Qd1 Bb7 9.Nd2 Ne4 10.Ne4 Be4 11.f3?? Bb7 12.Be3 Nc4 13.Qc1 Ne3 14.Qe3 0–0 15.Rd1 Bc6 16.g3–/+ Re8 17.Qf4 Bg5–+ 18.Qg4 Ba4 19.Rd4?? Re3 20.b5 Rc3 21.Ra4 Rc1?? 22.Kf2+– Qf6? 23.f4 h6 24.h4 Qb2 25.Re4 Bf6 26.Kg2?? Qb5 27.a4?? Qd5?? 28.Qf3= Kh7 29.g4 Rf1? 30.Kf1+– Qd1 31.Kg2 d5 32.Nh3 Qd2 33.Re3 Qa5 34.g5 Bc3 35.gh6 gh6 36.Qh5 Rg8 37.Ng5 Rg5 38.hg5 Bd4 39.Qh6 (39…Kg8 40.Re8) 1–0. nmorgan (1770) – kmorgan (1770), net–chess.com, 2003.

3.de5 Ne5 4.Bb2 Bb4–/+ 5.c3 Ba5 6.Qd4 Qf6 7.Na3?? Ne7 8.Qe5?? Qe5–+ 9.Rc1 Nd5 10.Nf3 Qf6 11.e4 Nc3 12.Bd3 Na2 13.Nd2 Qb2 14.Rc2 Qa3 15.0–0 Qd3 16.Ra2 Bd2 17.Rd1 Qe4 18.Rad2 0–0 (19.Rb2 Re8–+) 0–1. juancabeta – Variax (1640), internet, 2007.

3.de5 Ne5 4.Nf3 Bb4 5.c3 Bf8?? 6.Ne5+– Bd6 7.f4 f6 8.Nd3 Bf8 9.Na3 d5 10.c4 c6 11.cd5 cd5 12.e3 Nh6 13.Be2 Bd6 14.Qa4 Bd7 15.Qd4?? Bc6? 16.0–0+– Qa5 17.Bh5 g6? 18.Bf3 Bc5?? 19.Qf6 Nf7 20.Nc5 Qc5 21.Qe6 Kf8 22.Re1 Qe7?? 23.Qe7 Ke7 24.e4 de4 25.Be4 Nd6 26.Bc6 Kf8 27.Bd5 Nf7 28.Bf7 Kf7 29.Bb2 Rhg8 30.Nb5 a6 31.Nc7 Rac8+– 32.Be5 Ke7 33.Nd5 Ke6 34.Nb6 Rc5 35.Bd4 (35…Kd6 36.Bc5 Kc5 37.Re6+–) 1–0. ppost (2020) – christiaan (1850), net–chess.com, 2005.

2.d4 Qe7

3.a3= Qd6 4.Bb2 f6 5.Nd2 Qa6? 6.de5 fe5 7.Be5 Qb5 8.Bc7+– Qc6 9.Bf4 (9.Be5 d6 10.Bd4 Bf5+–). pierre – Assassine, ChessHere.com, 2006.

3.b5 Qb4=+ 4.c3 Qb5 5.e4 Qc6 6.Bd3 Nf6 7.Nf3= Ne4 8.Ne5+/– Nc3 9.Nc6 Nd1+/– 10.Nb8 Nf2 11.Kf2 Rb8 12.Nc3 Be7 13.Re1 d6? 14.Nd5+– Be6 15.Ne7 Ke7 16.d5 Rbe8 17.Rb1 Rhf8 18.Rb7 Kd7 19.Bb5 Kc8 20.Ra7 Bd5 21.Be8 Kb8 22.Ra5 Bb7 23.Re7 f5 24.Rb5 f4 25.Bc6 f3 26.Rb7 Kc8 27.Rec7 Kd8 28.Bg5 Rf6 29.Rg7 fg2 30.Bf6 Kc8 31.Rgc7# 1–0. Pierred – Zero65, Rated game, 1m + 3s, 2005.

2.d4 Qf6

3.c4 Bb4 4.Nc3?? (Better is 4.Bd2 Bd2 5.Nd2 ed4 6.Nb3–/+) 4...Bc3–+ (5.Bd2 Bd4–+) 0–1. Roookie – Caissa, Live Game Caissa's Web, 2004.

3.e4 –/+.

2.e3?? d5

(--> 1.b4 d5 2.e3 e5).

3.a3 (--> 1.b4 e5 2.a3 d5 3.e3).

3.Bb2 (--> 1.b4 e5 2.Bb2 d5 3.e3).

3.Bb2 Bb4 4.Be5 Nf6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 d5).

3.b5 (--> 1.b4 e5 2.b5 d5 3.e3).

2.e3?? d6

3.c4 f5 4.d4 e4 5.d5 c5 6.a3 Be7 7.Nc3 Nd7 8.Nh3 Ngf6 9.Be2 Ne5 10.Bb2 b6 11.0–0 0–0 12.Qb3 Bd7 13.Rad1 h6 14.f4 ef3= 15.gf3 Qe8 16.f4 Neg4 17.Rf3 Kh7 18.Bd3 Qh5 19.Rg3 Qh4 20.Qc2 Nh5 21.Rf3 Rf7 22.b5 Raf8 23.Ne2 g6 24.Kh1 Bf6=+ 25.Bc1 Bg7 26.Bd2 Qe7 27.Rg1 Nhf6 28.a4 Ne4 29.Ng3 Ngf6 30.Nf2 Re8 31.Nf1 Nf2 32.Rf2= Ne4 33.Rfg2 g5 34.Be1 Bf6 35.Be2 g4 36.Bd3 h5 37.Nd2 Kh6 38.Nf1 h4= 39.Re2 h3 40.Ng3+= Bh4 41.Ne4 fe4 42.Bh4 ed3 43.Be7 dc2 44.Bd6 Bf5 45.Rge1 Be4 46.Kg1= Kh5 47.Rd2 Kh4 48.Be5 g3 49.d6 g2 50.Rc1 Kg4 51.Re1 Rd7 52.Kf2?? Re5!–+ 53.fe5 Rf7 (54.Ke2 Rf1 55.Rf1 gf1Q (55...gf1R 56.Rc2 Rh1 57.d7–/+) 56.Kf1 c1Q 57.Ke2 Bg2 58.Rd1 Bf3 59.Kf1 Qd1 60.Kf2 Qe2 61.Kg1 Qg2#) 0–1. Szabo,M – Blauhut,H, corr SOK–89–49, 1989.

3.e4 Nf6 4.d3 g6 5.Bg5 Bg7 6.Nf3= 0–0 7.Nc3 Nc6 8.b5 Ne7 9.Be2 c6 10.bc6 Nc6 11.0–0 h6 12.Be3 d5 13.ed5 Nd5 14.Nd5 Qd5 15.c4 Qa5 16.Bd2 Qc7 17.Rb1 Be6 18.Re1 f5 19.Rb5 e4 20.de4 fe4=+ 21.Nh4 Qf7–/+ 22.Be3 Rab8 23.Bc5 Rfd8 24.Qb1 a6 25.Rb3 g5 26.Qe4 gh4 27.Qh4 b5 28.Rg3 Kh8 29.cb5 ab5 30.Qe4 Bd5–+ 31.Qh4 Ba2 32.Bd3 Rd5 33.Ba3 Re8 34.Rge3 Re3 35.Re3 Ne5 36.Be2 Bc4 37.Bh5 Qf5 (38.Bc1 Bf6–+) 0–1. Szabo,M – Dopper,Johan, corr SOK–92–91, 1992.

3.Nf3 Bg4 4.h3= Be6 5.Bb2 f5 6.Be2 Nf6 7.0–0 d5 8.Ne5 Bb4= 9.c3 Bd6 10.Bh5? g6 11.Ng6 hg6 12.Bg6 Bf7 13.Bf5–/+ Nbd7 14.e4 de4–+ 15.c4 Rh5 16.Bg4 Ng4 17.Qg4 Rh4 18.Qf5 Rf4 19.Qb5 b6 20.Re1? Qh4 21.Bd4 c5?? 22.Be3?? Rf6–+ 23.Nc3 Kd8 24.Qc6?? Bh2! 25.Kh2 Rc6 26.Ne4 Rg6 27.d3 Ne5 28.Rad1 Be6 29.d4 Rg2! 30.Kg2 Qh3 31.Kg1 0–1. Steve20 – bicycle, ChessWorld.net, 2007.

2.e3?? e4

3.b5 Nf6 4.Bb2 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5).

3.c3 d5 (--> 1.b4 e5 2.c3 d5 3.e3 e4).

2.e3?? Nf6

3.Bb2 Bb4 4.Be5 0–0 5.Bb2 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 d5 5.Bb2 0–0).

3.Bb2 Bb4 4.Nf3 d6 5.Be2 Nc6 6.0–0 0–0 7.c3 Bc5 8.d4 ed4 9.cd4=+ Bb6 10.d5 Nb8 11.Nc3 Bf5 12.Re1 Re8 13.Nh4 Qd7 14.Bf3 Be4 15.Ne4= Ne4 16.Bg4 Qd8 17.Nf5 Nf6 18.e4 Nbd7 19.Re3?? Ne5 20.Rg3 Ng6 21.Ng7? Kg7–+ 22.Qf3 Ne5 23.Bh5 Kf8 24.Qf5 Qe7 25.Rg7?? Kg7 26.Qg5 Kf8 27.Qh6 Kg8 28.Qg5 Kh8 29.Qf5 Nh5 30.Qh5 Qf6 31.Qe2 Qg5 32.Bc1 Qg6 33.Bf4 Rg8 34.g3 Qg4 35.Be5 de5 36.Qb2 f6 37.Qb3 (37…Qe4 38.Rd1–+). gtate (1725) – jerrytong, net–chess.com, 2002.

3.c3 d5 (--> 1.b4 e5 2.c3 d5 3.e3 Nf6).

3.Bc4? Bb4 4.c3 Be7 5.Qb3 d5–+ 6.Qa4 Bd7 7.Bb5 0–0 8.Nf3 Bg4?? 9.Nh4?? c6–+ 10.Bd3 Nfd7?? 11.f3?? Bh4–+ 12.Kf1 Bf3 13.gf3 Nc5 14.Bf5 Na4 15.Rg1 Qf6 16.Ba3 Qf5 17.Bf8 Qf3 0–1. Tiedemann,Marcel – Neffgen,Dieter, remoteschach.de, 2002.

3.Bc4? d5 4.Be2 Bb4 5.Ba3 Ba3 6.Na3 –+.

2.Nf3 f6

3.b5 d5 4.e3 c5 5.Bb2 Nh6 6.h3 Nf7 7.Be2 Bd6 8.0–0 0–0 9.Nc3 Be6 10.d3 Nd7 11.a4 b6 12.Ba3 Qe7 13.d4 e4 14.Nh2 cd4 15.Bd6 Qd6 16.Nb1? de3–+ 17.fe3 Qc5 18.Qd2 Rac8 19.Ra2 Nde5 20.g4 Rfd8 21.Qd4 Ng5 22.Qc5 bc5 23.Rb2 d4 24.h4 Ngf7 25.b6 ab6 26.Rb6 Rd6 27.Rd6 Nd6 28.g5? fg5 29.hg5 Ra8 30.Bb5 Nb5 31.ab5 Rb8 32.c4?? Nc4 33.ed4 cd4 34.Rc1 Rb5 0–1. MasterofDisaster – gunni, Caissa.com, 2004.

3.d4 Bb4 4.Bd2 Qe7 5.Bb4 Qb4–/+ 6.c3 Qb2 7.Nbd2 Qc3 8.Rc1 Qa5 9.de5 fe5 10.g3 d6 11.Ng5 h6 (12.Nge4 Be6–+) 0–1. jorlinsky – presort, net–chess.com, 2006.

3.e4 Bb4 4.c3 Bc5 5.d4 ed4 6.Nd4 d6 7.Bb5 Bd7 8.Ne6+= Qc8 9.Ng7 Ke7 10.Bd7+/– Qd7 11.Qb3 b6 12.Nd2 Nh6 13.Qd5 Nc6 14.Nb3 Ng4 15.Nf5 Kd8 16.f4 a5 17.h3 a4 18.Nbd4 Ra5 19.Nc6 (19…Ke8 20.Na5+–; 19.hg4 Bd4 20.Qa5 Na5 21.cd4 Qc6–+) 1–0. pierre – mezav, ChessHere.com, 2006.

2.Nf3 Qf6

3.Bb2 (--> 1.b4 e5 2.Bb2 Qf6 3.Nf3).

3.d4 Bb4 4.Nfd2? ed4–+ 5.c3?? dc3 6.Ne4 c2 7.Qd2 Bd2 (8.Kd2 cb1N 9.Rb1 Qd4 10.Ke1 Qe4–+) 0–1. lsmiley – sonrisante, net–chess.com, 2003.

3.d4 e4 4.Ng5 d5 –/+ (4...Bb4?! 5.c3 Be7 6.Ne4=).

3.d4 h6?? 4.de5+/– Qb6 5.a3 d6 6.Be3 Qc6 7.Nd4 Qd7 8.ed6 Bd6 9.Nc3 Be5 10.f4 Bd4 (better is 10...Bf6!?+/–) 11.Bd4+– f6 12.e3 Qf5 13.g4! Qg4 14.Be2?? (14.Qg4!? Bg4 15.Rg1 h5+–) 14...Qd7? (better is 14...Qh4 15.Kd2 Ne7+/–) 15.Bh5 Kd8 16.Ne4 (16.Rg1 Rh7+–) 16...b6? (better is 16...Nc6+/–) 17.Rg1+– Qf5 (17...Ne7 18.Rg7 Rg8 19.Rg8 Ng8 20.Nf6 Qd6+–) 18.Bf6 1–0. pjc49 – 488, chessworld.net, 2012.

2.g3 d5

(--> 1.b4 d5 2.g3 e5).

3.a3 (--> 1.b4 e5 2.a3 d5 3.g3).

3.c3 (--> 2.c3 d5 3.g3).

2.g3 d6

3.Bb2 (--> 1.b4 e5 2.Bb2 d6 3.g3).

3.Nc3 Be7 4.Nf3 f5 5.Bg2 Nf6 6.0–0 Be6 7.Ng5= Bc8 8.d4 e4 9.d5 Bd7 10.f3 c6 11.Ne6 Qb6 12.e3 cd5?? 13.Ng7+/– Kf7 14.Nf5! Bf5 15.Nd5 Nd5 16.Qd5 Be6 17.Qh5 Kf8 18.fe4 Kg8 19.Qe8 Kg7 20.Qe7 (20.Qe7 Kh6 21.Qh4 Kg6 22.Rf6 Kg7 23.Qg5#) 1–0. pierre – eykj, internet, 2009.

3.h4 Na6 4.a3 d5 5.Nc3 d4 6.Ne4 Bf5 7.Nc5? Qd5 8.f3? b6?? 9.Na6+– e4?? 10.Nc7 Kd7 11.Na8 Qa8 12.g4 Be6 13.fe4 Qe4 14.Rh2 Qe5 15.Rf2 Ke7 16.Bg2 Bg4 17.Bh3 Qe4?? 18.d3 Qg6 19.Bg4 Qg4 20.e4 Qg1+/– 21.Rf1 Qg3 22.Rf2 Qg1+– 23.Rf1 Qg3+/– 24.Rf2 Kd8?? 25.Bf4 Qh4 26.Bh2 Nf6 27.e5?? Ng4–/+ 28.Bg1?? Qh3 29.Qf3 Qh4?? 30.0–0–0?? Be7?? 31.Qa8 Kd7 32.Qh8 Bg5? 33.Kb1 Nf2 34.Bf2 Qf2 35.Qg7 Qe2? 36.Qf7 Be7 37.Qd5 Ke8 38.Qg8 Bf8 39.Qe6 Be7 40.Kc1 h5 (40...h5 41.Qc6 Kf7 42.Qd5 Kf8+–). estrella – bigtone, net–chess.com, 2007.

2.h4?? Bb4

3.a3 Ba5 4.Nf3 Nc6 5.e3 Nf6–+ 6.a4 a6 7.Na3 d5 8.Bd3?? e4 (8...e4 9.Be2 ef3 10.Bf3 0–0–+) 0–1. lachezar – salmo (1800), internet, 2005.

3.c3 Be7 4.Rh3 Bh4–+ 5.Re3 Qf6 6.d4?? Bf2–+ 7.Kd2 Qf4 8.Kc2 Be3 9.Nh3 Qe4 10.Kb2 ed4 11.cd4 Bd4 12.Kb3 Ba1 13.Ng5 Qb1 14.Ka3 Bb2! 15.Kb3 Bc1 16.Kc3–+ Bb2 17.Kd2 Qa2 18.e4 Bf6 19.Ke1 Bg5 20.Be2–+ Nf6 21.e5 Ne4 22.Bf3 Bh4 23.Kf1 Qf2# 0–1. taz_phcc_ist – andy475uk, playchess.de, 2002.

3.Nc3 d5 4.Bb2 (4.a3 Bc3 5.dc3 Nf6–/+) 4...Nc6 5.h5 d4 6.Nb5 (6.Ne4 f5 7.a3 Be7–+) 6...a6 7.Nc7? (Better is 7.c3 ab5 8.cb4 Nb4 9.a3–+) 7...Qc7 8.Rh4 Bf5 9.Nf3 Be7 10.g3 Bh4 11.gh4 Nb4 12.a3 Nc2 13.Qc2 Qc2 14.Ne5 Qb2 15.e4 Qa1 16.Ke2 Be4 17.Bh3 d3! 18.Nd3 Bd3 19.Kd3 Qa3 20.Ke2 Qh3 21.f3 0–0–0 22.d4 Qh4 23.d5 Rd5 24.Ke3 Qe1 25.Kf4 Rh5 26.Kg4 Qh4# 0–1. wint – Caissa, Live Game Caissa's Web, 2004.

3.e4 Nf6 4.c3 Ba5 5.Qa4 Nc6 6.Nf3 Bb6 7.Bc4 0–0 8.Ng5 h6–+ 9.Nf3 Ng4 10.d4 ed4–+ 11.cd4 d5?? 12.Bd5= Nd4 13.Nd4 Nf2 14.Kf2+/– Qf6 15.Ke3+– Bd7 16.Qd7?? Bd4=+ 17.Kd3 Ba1 18.Qc7 Qd4 19.Kc2?? Rac8–+ 20.Qc6 bc6 21.Bc6 Rc6 22.Kb3 Rb8 23.Ka3 Ra6 (23...Qb4#) 0–1. sirrad – Morphystyle, ChessWorld.net, 2005.

2.Na3?? Bb4

3.Nb1 Nc6 4.f3 d5–+ 5.h4 g6 6.Rh3?? Bh3 7.gh3 Qh4 0–1. tudor – Caissa, Live Game Caissa's Web, 2004.

3.Nb1 Nf6 4.h4 d5 5.a3 Bc5 6.Nc3 d4 7.Nf3?? dc3 8.Ne5 Ng4 9.Ng4 Bg4 10.Ra2 Qf6 11.f3 Be6 12.dc3 Ba2 13.g3 Nc6 14.Qd3 Bb6 15.Rh2 0–0 16.g4 Rad8 17.Qb5 Qc3 18.Bd2 Qd2 0–1. rwelsh – monicker (1955), net–chess.com, 2006.

3.Nc4 b6 4.Rb1 Bc5 5.Ne5 d6 6.Nd3 Be6 7.Nc5 dc5 8.e3 (8.a3!?=) 8...Ba2+= 9.Ra1 Bd5 10.Bb2 Nf6 11.f4 0–0 12.Nf3 Re8 13.c4 Bc6 14.Ne5 (14.Be2 a5+=) 14...Nfd7 (14...Ne4 15.Nf3–/+) 15.Qg4 (15.Nc6 Nc6 16.Be2 Nb4+=) 15...Ne5–/+ 16.fe5 g6 (16...Nd7 17.e6 Nf6 18.ef7 Kf7 19.Qh3–/+) 17.h4 (17.Be2!?=) 17...Nd7–/+ 18.h5 (18.Qg3 a5+=) 18...Ne5 19.Qf4? (better is 19.Qg3 Qd6 20.hg6 fg6 21.Qh4–+) 19...Bg2!–+ 20.hg6 (20.Bg2 Nd3 Double attack) 20...Ng6 (20...fg6 21.Rh7 Nf3 22.Kf2 Kh7 23.Qf7 Kh6 24.Bg7 Kh5 25.Bg2 Qd2 26.Kg3 Qg2 27.Kg2 Re3 28.Qd5 g5 29.Qa8 Kg6+–) 21.Qh6+– Ne5 22.Be5 Re5 23.Qh7 Kf8 24.Qh8 Ke7 25.Qe5 Kd7 26.Bg2 Rb8 (26...a6 27.Ra3 Qh4 28.Rh4 Rg8 29.Bh3 Rg4 30.Bg4 f5 31.Bf5 Kc6 32.Qd5) 27.Bh3 (27.Rh6 Qh4 28.Rh4 b5 29.Bh3 Kc6 30.Qf6 Kb7 31.Qa6 Ka8 32.Qa7#) 27...Kc6+– 28.Qd5! (28.Qd5 Qd5 29.cd5 Kd5 30.Bg2 Kd6 31.Rh6 Ke5 32.Ra7+–) 1–0. Guk,Vl – Bunkartas, Kaunas, 1986.

3.Nc4 d6 4.Bb2 (4.e3 b5 5.c3 Bc5–/+) 4...Be6 5.e4 (5.e3 Nf6–/+) 5...Nf6 6.Qf3 Nc6 7.Ne3 Bc5 8.Bb5 Qd7 9.Nd5 Nd5?? (better is 9...Ng4 10.Nh3 a6–+) 10.ed5+/– Bg4 (10...Bd5!? 11.Qd5 a6+/–) 11.dc6+– bc6 12.Qc6 Rc8? (12...Rb8 13.a4 Qc6 14.Bc6 Ke7 15.Bc3+/–) 13.f4! Rg8? (13...ef4 14.Qd7 Double attack (14.Bg7 Pinning; 14.Bg7 Deflection; 14.Qe4 Decoy)) 14.fe5 Qc6 (14...Rb8 15.c4 Qc6 16.Bc6 Bd7 17.Bd7 Kd7 18.0–0–0+–) 15.Bc6 Kd8 16.d4 Bb6 (16...Rb8 17.Bc3 Bb4 18.Ne2+–) 17.Nf3 Bd7 18.Bd5 Ke7 19.Ng5 h6 (19...Be6 20.Be6 fe6 21.Nh7+–) 20.Nf7 Rgf8 (20...Be6 21.Be6 Ba5 22.c3 Ke6 23.0–0+–) 21.ed6 (21.0–0 Bg4 22.Rae1 Kd7+–) 21...cd6 22.0–0 Rc2 (22...Bg4 23.Rae1 Kd7+–) 23.Rae1 Be6 24.Be6 Rb2 25.Bg4 1–0. Guk,Vl – Guk,Vi, Kaunas, 1986.

3.Nc4 e4!? –/+.

3.Nc4 Qf6 4.Ba3 (4.Nf3 Nc6–/+) 4...Nc6 5.Rb1 d5 6.Bb4 dc4 7.e3 Be6 8.c3 (8.Bc3!? 0–0–0 9.f4+=) 8...0–0–0 9.Qa4 a6 10.Nf3 e4 11.Nd4 Nd4 (11...Ne5 12.Bc5 Bd5 13.h3–/+) 12.cd4+= Ne7 (12...Qg6 13.Bc5+=) 13.Be2 (13.Be7 Qe7 14.Bc4 Bc4 15.Qc4 Qe6=) 13...Qg5 (13...Nf5+=) 14.0–0 (better is 14.Be7 Qe7 15.Bc4 Bc4 16.Qc4+=) 14...Bh3–/+ 15.Be7?? (better is 15.g3 Bf1 16.Be7 Qe7 17.Bg4 Kb8 18.Qa6–+) 15...Qg2 0–1. MJ321 – ReXtoN, playchess.de, 2005.

2.a4?? Bb4

3.a5 a6 4.c3 Be7 5.c4 d5 6.cd5 Qd5 7.Qa4 c6 (7...Nc6!?–/+) 8.Nc3 Qd8 9.Qe4 Nd7 10.Ba3 (10.Nf3 Ngf6 11.Qe3 Nc5 12.Ne5 Nb3–/+) 10...Ba3 (Better is 10...Qa5!? 11.Bb2 Qb6–+) 11.Ra3–/+ Ngf6 12.Qc2 0–0 13.h4 Nc5 14.h5 h6 15.Qf5?? Bf5–+ 16.Ra4 Na4 17.Na4 Qd4 18.e3 Qa4 19.d3 Qa5 20.Kd1 Qa1 21.Ke2 Qb2 22.Kd1 Qb1 23.Kd2 Qf1 24.e4 Qf2 25.Kd1 Bg4 26.Kc1–+ Qg2 27.Rh4 Qg1 28.Kc2 Qf2 29.Kc3 Qh4 30.d4 Qg3 31.Kc4 ed4 32.Kd4 Bh5 33.e5 Qf4 34.Kd3 Qe5 35.Kd2 Rfd8 36.Kc2 Rd4 37.Kc3 Rad8 38.Kc2 Qc5 39.Kb3 Rb4 40.Ka3 Qa5# 0–1. Bry – annmarie, Live Game Caissa's Web, 2004.

3.a5 Nc6!? –/+.

3.Bb2 d6 –/+.

3.c3 Bc5 4.Na3 d5 5.Qb3 Nf6–+ 6.Bb2 0–0 7.0–0–0?? Be6 8.Nb5?? d4 9.cd4?? Bb3 10.Re1 a6 11.e3 Bb4 12.Bc4 Bc4 13.Kb1 ab5 14.Rc1 Ne4 15.Rc4 Nd2 16.Kc2 Nc4 17.Bc3 Na3 18.Kb3 Be7 19.ab5 Qd5 20.Kb2 f6 21.de5 Qb5 22.Ka2 Qb1 0–1. idontknow – cacook (1620), net–chess.com, 2006.

3.Nc3 Nf6 4.Nb5 a6 5.Na3 0–0 6.c3 Bc5 (7.d4 ed4 8.cd4 Be7–+) 0–1. Kunze,Benjamin (1800) – Pirs,Primoz, remoteschach.de, 2005.

3.h4 Bc5 4.g3 d6 5.d4 ed4 6.c3 dc3 7.f4 Bg4 8.e4?? Bd1 9.g4 Bf3! 10.Nf3 c2 11.Nc3 Nc6 12.Nd5 Qd7 13.Nc7 Qc7 14.f5 Nd4 15.Bb5 Nb5 16.ab5 Nf6 17.Rh3 Ne4 18.Ng5 Ng5 19.Re3 Be3 20.Be3 Nf3 21.Ke2 Nh4 22.Rc1 0–0 23.b6 ab6 24.g5 Rfe8 25.Rc2 Qc2 26.Kf1 Ra1 27.Bc1 Rc1 0–1. idontknow – ajeffries (1740), net–chess.com, 2006.

3.c3 Be7

4.e4 Nf6 5.d3 d5 6.Na3 de4 7.d4 ed4 8.cd4 Bb4 9.Bd2 Qd4 10.Nc2 Bd2 11.Ke2 Qd3# 0–1. Krahl,Wolfgang – Sheers,Matthew Philip, internet, 1998.

4.g4 d5 5.h3 Nc6 6.Nf3 h5 7.gh5 e4 8.Ng1 Rh5 9.f4?? (9.d4–+) 9...Bh4 0–1. LUSCIOUS – Caissa, Live Game Caissa's Web, 2004.

3.c3 Bf8

4.Na3 d5 5.Bb2 e4 6.Qb3 Nf6 7.0–0–0 Be6 8.d3? Nc6 9.de4? Bd6?? 10.e3? de4 11.Qc2 Qd7 12.Qb3?? Bb3 13.Rd2 0–0–0 14.Nb5 Nd5 15.Na7 Na7 16.Rd5 Bd5 17.f3 ef3 18.gf3 Ba2 19.Bc4 Bc4 20.Ne2–+ Be2 21.Ba3 Bf3 22.Rf1 Bg2 23.Rf2 Ba3 24.Kc2 Be4 25.Kb3–+ Bc1 26.Rf4 Qd5 27.c4 Qd3 28.Kb4 Qa3 29.Ka5 Bc6 30.c5 f6 31.e4 Ba4 32.e5 Bf4 33.c6 Rd5 (33...Nc6) 0–1. idontknow – ajeffries (1740), net–chess.com, 2006.

4.Na3 Nf6 5.Qb3 d6 6.Bb2 Be7 7.0–0–0? Bd7 8.e3 0–0 9.Bc4? Nc6 10.Nf3 Ne4 11.Rhe1? Nf2 12.Qb5 Nd1 13.Rd1 Nb8 14.Qb3 Be6! 15.Be6 d5?? 16.Ng5?? h6 17.Bf7?? Kh8?? 18.Qc2?? hg5 19.Rf1 e4 20.Qb3 c6 21.Qd1? Rf7?? 22.Qh5= Kg8 23.Qf7 Kh7 24.Qh5 Kg8+= 25.c4 Nd7?? 26.g4 Qe8 27.Qh3? Bf6 28.Qg3 Bb2 29.Kb2 dc4 30.Nc4 Nc5 31.Qd6 Na4 32.Kb3 Nb6?? 33.Na5?? Rd8 34.Qb4 Rd3 35.Kb2 Nd5 36.Qb7 Rd2 37.Kb1 Ne3 38.Qa7 Ng4 39.Kc1 Ra2 40.Kb1 Rh2 41.Nb3 Kh7 42.Qg1 Rh3 43.Qg4 Rb3 44.Kc2 Qb8 45.Qh5 Kg8 46.Qg5 Rb2 47.Kd1 Rb1 48.Ke2 Rf1 49.Kf1 Qf8 50.Ke2 Qf6 51.Qg2 Qb2 52.Kf1 Qg2 53.Kg2 c5 54.Kf2 g5 55.Ke3 g4 56.Ke4 g3 57.Kf3 c4 58.Kg3 c3 59.Kf3 c2 60.Ke2 c1Q 61.Kf2 Kg7 62.Ke2 Kf6 63.Kd3 Ke5 64.Ke2 Ke4 65.Kf2 Qe3 66.Kg2 Qf3 67.Kh2 Kf4 68.Kg1 Kg3 (68...Qe2 69.Kh1 Kf3 70.Kg1 Qg2) ˝–˝. idontknow – ajeffries (1740), net–chess.com, 2006.

4.Qb3 d6 5.Ba3 Nf6 6.c4 Be6 7.Nc3 Nc6 8.0–0–0?? Nd4 9.Nb5?? Nb3 10.Kc2 Bc4 11.d3 Bb5 12.Kb3 Ba6 13.Rc1 b5 14.ab5 Bb5 15.Rc5 dc5 16.Bc5 Bc5 17.d4 Bd4 18.e3 Bf1 19.Nf3 Bg2 20.Rd1 Bf3 21.h4 Bd1 22.Kb4 Qb8 23.Kc4 Qb3 (23...Be2) 0–1. idontknow – ajeffries (1740), net–chess.com, 2006.

4.Qb3 d6 5.Na3 Nf6 6.Bb2 Bd7 7.0–0–0? c5 8.Qc4? d5 9.Qb5 Bb5 10.d4 Ba6 11.de5 Ne4 12.f3 Nf2 13.Rd5 Qd5 14.e4 Qd1 0–1. idontknow – ajeffries (1740), net–chess.com, 2006.

3.Nc3 Bc3

4.Ba3 Ba1 5.Qa1 d6 6.c4 Be6 7.Qe5 de5 8.f4 Bc4 9.Nf3 e4 10.d3 ed3 11.ed3 Bd3 12.Bd3 Qd3 13.Ne5 Qa3 14.g4 Qa1 15.Ke2 Qh1 16.h4 Qh4 17.f5 Nc6 18.Nf3 Qg4 19.Ke3 Qf5 20.Nh4 Qg5 21.Kf3 Qh4 22.Ke3 0–0–0 23.a5 Re8 24.Kd3 Rd8 25.Ke3–+ Na5 26.Kf3 Re8 27.Kg2 Re2 28.Kf3 Qf2 29.Kg4 Re3 30.Kh5 Nf6 31.Kg5 Qg2 32.Kh4 Rh3 (32...g5) 0–1. idontknow – ajeffries (1740), net–chess.com, 2006.

4.Bb2 Bb2 5.Rc1 Bc1 6.Qc1 d5 7.Qa3 b6 8.Qb3 Be6 9.Qb5 c6 10.Qc6 Nc6 11.a5 ba5 12.c4 dc4 13.Nf3 Qb6 14.Ne5 Qb1 0–1. idontknow – ajeffries (1740), net–chess.com, 2006.

3.c4 Nf6–+

4.Ba3 Ba3 5.Ra3 –+.

4.Qb3 a5 5.Qb4?? (better is 5.Qg3 Nc6 6.Qg7–+) 5...ab4–+ 6.d4 (6.e3 0–0–+) 6...ed4 7.Ba3 (7.Nf3 Nc6 8.Bb2–+) 7...ba3 8.Ra3 Qe7 9.e4 Qe4 10.Be2 Qb1 11.Kd2 Ne4 0–1. ceciraquel – glovio (1630), gameknot.com, 2013. (=1.a4 e5 2.b4? Bb4–/+)

4.Qb3 Nc6 –+.

4.g4 Ng4 5.Nh3 d5 6.cd5 (6.Qb3 Nc6 7.e3 Nf6–+) 6...Qd5 7.f4 (7.Rg1–+) 7...Ne3 8.Qb3 Qb3 9.fe5 Nc2 10.Kf2 Bh3 11.Bh3 Qh3 12.Nc3 Bc3 13.Ra3 Qh4 14.Kf3 Nd4 15.Ke3 Qh3 16.Ke4 Na6 17.Rc3 (17.dc3 Qf5 18.Kd4 0–0–0 19.Ke3 Rhe8 20.Rd1 Re5) 17...Qg4 18.Kd5 (18.Ke3 Qe2 19.Kf4 g5 20.Kg5 Rg8 21.Kh6 Rg6 22.Kh7 Qh5) 18...Ne2 19.Rd1 (19.Rc7 Qd4) 19...0–0–0# 0–1. ceciraquel – glovio, gameknot.com, 2013. (=1.a4 e5 2.b4? Bb4–/+)

2.b5 a6

3.ba6 ba6 4.Bb2 (4.e4 Nf6=+) 4...d6 (4...Nc6 5.Nf3 e4 6.Nd4=+) 5.g3 (5.d4 ed4 6.Qd4 Nc6=) 5...Bb7 (5...Nc6 6.Nc3=+) 6.f3 (6.Nf3 Nd7=+) 6...e4 (6...Nf6!?–/+) 7.Bg2 d5 (7...Nf6 8.c4=) 8.e3 (8.c4 ef3 9.Nf3 dc4 10.Qa4 Nd7 11.Qc4 Nb6=) 8...Nf6 (8...Nd7 9.Ne2=+) 9.Nc3 (9.fe4 de4 10.Bf6 Qf6= (< 10...gf6 11.Nc3+=)) 9...ef3 (9...Nbd7!?=+) 10.Nf3= Ne4 11.d3 Nf6 12.0–0 Be7 13.Ne5 0–0 14.Na4 (14.Ne2 Nbd7+=) 14...Nc6 (14...Qe8 15.c4 Bd6 16.Ng4 Ng4 17.Qg4 Qe3 18.Kh1+=) 15.c4 (15.Ng4 Ng4 16.Qg4 Bg5+=) 15...Ne5 (15...Qd6 16.Ng4 Ng4 17.Qg4+=) 16.Be5+= c6 (16...Nd7!? 17.d4 Ne5 18.de5 c6 19.cd5 cd5+=) 17.Rb1+/– Rb8?? (better is 17...Bc8 18.Nb6 Nd7 19.Na8 Ne5+/–) 18.Bb8+– Qa5 (18...Qb8 19.Qb3 Qe5 20.Qb7 Ng4+–) 19.Rb7 Ba3 (19...Qd8 20.Be5 a5+–) 20.Bc7 Qc5 21.Nc5 Bc5 22.d4 Ba3 23.Qb3 Be7 24.Rb8 (24...g6 25.cd5 Rb8 26.Qb8 Kg7 27.d6+–; 24.cd5 cd5 25.Be5 h6+–) 1–0. MasterofDisaster – igraa, Live Game Caissa's Web, 2005.

3.ba6 Ra6 4.e3 Rf6 5.Bb2 d6 (5...Re6 6.Nf3 e4 7.Nd4=) 6.Nf3 e4 (better is 6...Bg4!?=) 7.Bf6+/– gf6 (7...Nf6!? 8.Nd4 d5+/–) 8.Nd4 c5 (8...f5 9.Nc3+–) 9.Nb3 Nh6 (9...f5 10.d4+–) 10.h3 (10.d3 f5+–) 10...Nf5 (10...f5 11.d4+–) 11.a4 (11.d3 ed3 12.Bd3 d5+–) 11...Nc6 12.a5 Nb4 (12...d5 13.Bb5 Nh4 14.a6+–) 13.a6 (better is 13.d3!? Qe7+–) 13...ba6 14.Ba6?? (better is 14.c3 Nd3 15.Bd3 ed3 16.Nc1+–) 14...Ba6–+ 15.c3?? (better is 15.Ra6 Na6 16.Qg4–+) 15...Nd3 16.Kf1 Nb2 17.Kg1 (17.Ra6 Nd1 18.d3 d5–+) 17...Nd1 18.Ra6 Be7 (better is 18...Qb8!? 19.Na5 Qb1 20.Ra8 Kd7 21.Kh2–+) 19.Kh2 (19.d3 d5 20.de4 de4–+) 19...d5 (better is 19...Nf2!? 20.Rf1 Nd3 21.Nc1 Nc1 22.Rc1–+) 20.Rd1 Bd6 (20...Qb8!? 21.Kh1 Qb3 22.Ra8 Bd8 23.Re1–+) 21.g3 (21.Kg1 Qb8 22.Na1 0–0–+) 21...h5 (21...Qb8!? 22.Nc5 Bg3 23.Kg2 Bf2 24.Ra8 Qa8 25.Kf2–+) 22.d4 (22.Kg1 Qb8 23.Na3 Bg3–+) 22...h4 23.dc5 (23.Kg1 hg3 24.N1d2 gf2 25.Kf2 Bg3 26.Kg1 c4–+) 23...hg3 24.Kg2 Nh4 25.Kf1 g2 (better is 25...Qc8 26.Ra2 g2 27.Ke2–+) 26.Kg1 (26.Ke2 Bh2 27.Nd4 Nf3 28.Nf3 ef3 29.Kf3 Qc8–+) 26...f5 27.Rd6 (27.f4 Nf3 28.Kg2 Rg8 29.Kf1 Nh2 30.Ke1 Rg2 31.Rd5 Ng4–+) 27...Qg5 28.Nd4 Nf3 29.Nf3 ef3 30.Kh2 Qh4 31.Rd8 Kd8 32.Rd5 Ke7 33.Kg1 Qh3 34.Re5 Kf6 35.Rf5 Kf5 36.e4 Ke4 37.Nd2 Kd3 38.Nf3 Qh1 0–1. MasterofDisaster – Apracs, Live Game Caissa's Web, 2004.

3.ba6 b6.

3.c4 d5 4.Bb2 dc4 5.Qa4 c6 6.Qc4 ab5 7.Qc2 Nd7 8.Nf3 Ngf6 (8...Qe7 9.d3–/+) 9.Ne5+= Ne5 10.Be5 Be6 11.e3 Bd6 12.Bd6 Qd6 13.d4 0–0 14.Be2 Ra5 15.0–0 Rfa8 16.Qb2 b4 17.Nd2 Ra2 18.Nc4 Bc4 19.Bc4 Rb2 20.Ra8 Qf8! 21.Rf8 Kf8 22.f3 (22.Ra1 b5 23.Bd3 Rd2–+) 22...Rc2–+ 23.Bd3 Rd2 24.Bb1 Nd5 25.Rf2 Rd1 26.Rf1 Ne3 27.Rd1 Nd1 28.Bc2 Ne3 29.Bd3 (29.Bb3 Nf5 30.d5 Nd4–+) 29...b3 30.Kf2 Nc2 31.Ke2 Na3 32.Ke3 b2 33.d5 c5 34.d6 c4 35.d7 Ke7 36.Bh7 g6 37.h4 b1Q 38.Bg8 c3 39.Kf4 0–1. usingprogram (1985) – bumbara1 (1795), kurnik, 2012.

3.c4 d6 4.a4 (4.Nc3 ab5 5.cb5 d5=+) 4...ab5 (4...Be6 5.d3=+) 5.cb5 Bd7 (5...d5 6.Nf3 e4 7.Nd4–/+) 6.e4 Nf6 7.Qc2 (7.Nc3 c6=+) 7...c6 (7...d5 8.ed5 Nd5 9.Bb2=+) 8.Nc3 (8.Bb2 Qb6=+) 8...d5 9.Bb2 (9.ed5 cd5 10.Nf3 e4=+) 9...de4 (9...d4!? 10.Nd1 cb5 11.Bb5 Nc6=+) 10.Ne4= Bf5 11.Bd3 Nbd7?? (11...Nd5 12.Nf6 (12.Be5?? Nb4–+) 12...Qf6 13.Bf5=) 12.Nf3 (12.Nf6 Qf6 13.Bf5 g6 14.bc6 bc6 15.Bd7 Kd7+–) 12...Nc5?? (better is 12...Nd5=) 13.Ne5 Nce4?? 14.Nc6?? bc6–+ 15.Qc6? Bd7 16.Qc2 Qe7 17.Bf6 Nf6 18.Kf1 Qd6 19.Re1 Be7 20.Qc4 0–0 21.h4 Rfc8 22.h5 Rc4 (23.Bc4 Qd4 24.Re7 Ra4–+) 0–1. riverborne – TheBlackKnight, Live Game Caissa's Web, 2006.

3.e3 Nf6 4.Nf3 d6 5.Bb2 Qe7 6.c4 (6.d4 e4 7.Nfd2 Be6=+) 6...c6 (6...ab5 7.cb5 Be6 8.Nc3=+) 7.Qc2 g6 (7...e4 8.Bf6 gf6 9.Nd4=+) 8.e4 ab5 9.cb5 Bh6 10.d4 0–0 11.de5 de5 12.Bc4 (12.Be5 Bg4 13.Bf6 Qf6=) 12...Nbd7 (12...cb5 13.Bd3 Nc6 14.Bb5=+) 13.0–0 Qc5 14.Rd1 (better is 14.bc6 Qc6 15.Nbd2+=) 14...Nb6?? (better is 14...cb5 15.Bb3 Qc2 16.Bc2 Re8=) 15.Ba3 (better is 15.Bf7 Rf7 16.Qc5+–) 15...Qc4–+ (15...Ra3?? 16.Bf7 Rf7 17.Qc5 Rf3 18.gf3+–) 16.Qc4 Nc4 17.Bf8 Kf8 18.bc6 Ke8 (18...bc6 19.Nc3–+) 19.Nc3 Ra3 (better is 19...bc6 20.a4 Bf4–+) 20.Nb5 bc6 (20...Ra5 21.Nc7 Ke7 22.Nd5 Nd5 23.Rd5 Rd5 24.ed5 Kd6–+) 21.Na3+/– Na3 22.Ne5 c5 23.Rd3 (23.Nc6 Bd7 24.e5 Bc6 25.ef6 Nc2+/–) 23...Nc2 24.Rad1 Nd4 25.Rb1 (25.Nf3!? Ba6 26.Nd4 Bd3 27.Rd3 cd4 28.Rd4+/–) 25...Ne4= 26.Ra3?? (26.Rb8 Nd6=) 26...Nd6 (26...Ne2 27.Kf1 Nd2 28.Ke2 Nb1+–) 27.Ra7=+ Bf4 28.Nd3 Bd2?? (28...N6b5 29.Re1 Ne6+–) 29.Nc5+/– N4b5 30.Ra8 Kd8 31.a4 Ke7?? (better is 31...Nc3 32.Rbb8 Kc7+–) 32.ab5+– (< 32.Rb5 Nb5 33.ab5 Bf5+–) 32...Bf5 33.Ra7 Kf6 34.Rb2 Bc3 35.Nd7 (35.Rb3 Bd4 36.Nd7 Ke7 37.Nb6 Ke6+–) 35...Kg7 (35...Bd7 36.Rb3 Nb5 37.Rd7+–) 36.Rb3 Bd4 37.Rc7 Be6 (37...Ne4 38.Rf3+–) 38.Rb4 Bc3 (38...Ne8 39.Rc5 Bc5 40.Nc5 Nd6 41.Ne6 fe6+–) 39.Rc3 Bd7 40.b6 Bc8 (40...Be6+–) 41.Rd4 Nb5 42.Rc8 Nd4 43.b7 Ne6 44.b8Q h5 45.Qb2 Kh7 (45...f6 46.Qb7 Kh6 47.Rh8 Kg5 48.Qd5 Kg4 49.f3 Kf4 50.Qe4 Kg5 51.h4) 46.Rh8 (46.Qh8) 1–0. Taulien,Christian – Weber,Dirk, remoteschach.de, 2002.

3.e4 Bb4 4.Nf3 d6 5.Bb2 (5.c3 Ba5=) 5...Nf6=+ 6.Bd3 (6.c3 Ba5=+) 6...0–0 7.a3 Bc5 8.0–0 ab5 9.Bb5 Nc6 (9...Ne4 10.d4 ed4 11.Re1–/+) 10.Nc3 Bg4 (10...Nd4–/+) 11.Qe2? (better is 11.Bc6 bc6 12.h3=+) 11...Nd4–+ 12.Qd3 c6 (12...Bf3 13.gf3 Nh5 14.Kh1–+) 13.Nd4 (better is 13.Ba4!?–+) 13...ed4 (13...Bd4?! 14.Bc4–/+; 13...cb5 14.Ndb5 Be6 15.a4+=) 14.Na4 (14.Ne2 Be2 15.Qe2 cb5–+) 14...cb5 15.Nc5 dc5 16.Qb5 (16.e5 Nd5 17.Qb5 Qc7–+) 16...Ne4 17.Qb7 (17.f3 Bd7 18.Qe2–+) 17...Nd2 18.Rfe1 (18.Qc6 Nf1 19.Rf1 Qc8–+) 18...Qa5 (18...Rb8 19.Qc6 Rb2 20.Qc5–+) 19.Re5 (19.Qe7 Qb5–+) 19...Nc4 (better is 19...Rab8 20.Qe7 Rb2 21.Qc5 Qc5 22.Rc5–+) 20.Qe4 (20.Bd4 Qd2 (20...cd4?! 21.Ra5 Ra5 22.Qe4–/+) 21.Bc5 Ne5 22.Bf8 Rf8–+) 20...Nb2 (20...Ne5 21.Qe5 Rfe8 22.Bd4 Re5 23.Be5–+) 21.Rg5 (21.Qg4 Qc3 22.Re2 Ra3 23.Ra3 Qa3–+) 21...f5 (better is 21...Bd1!? 22.h3–+) 22.Qe5 (22.Qb7 Rf7 23.Qb2 Qd2–+) 22...Qc3 (better is 22...Rf7–+) 23.Qg7 1–0. Taulien,Christian – Tippelskirch,Leon, remoteschach.de, 2003.

3.e4 Bc5 4.Nf3 d6 (4...Nf6 5.ba6 (5.Ne5 Bd4 6.c3 Be5 7.d4 Qe7 8.de5 Qe5 9.Qd4 Qe4 10.Qe4 Ne4) 5...Ne4 6.Qe2+= Bf2 7.Kd1 d5 8.Nc3 Na6 9.Ne4 de4 10.Qf2 ef3; 4...ab5 5.Bb5 (5.Nc3 b4 6.Nb5 Nc6 7.Bc4 Nf6 8.Qe2 0–0 9.0–0 d6 10.a3 Nd4) 5...Nc6 (5...Nf6 6.Nc3 0–0 7.0–0 Nc6 8.a4 d6 9.Ba3 Bb6 10.h3 h6) 6.Nc3 Nf6 7.0–0 0–0 8.Rb1 d6 9.d3 Be6 10.Bc6 bc6) 5.Ba3 (5.c3 Qe7+= (5...Nf6 6.d4 Bb6 7.Be3 ed4 8.Bd4 c6 9.Nbd2 ab5 10.a4 Bd4) 6.d4 ed4 7.cd4 Bb4 8.Bd2 Bd2 9.Nbd2 Nf6 10.Bd3 ab5) 5...Ba7 (5...Ba3 6.Na3 Nf6 7.Bd3+= ab5 8.Nb5 Na6 9.0–0 Nc5 10.Qe2 0–0; 5...Bb6 6.Nc3 Nf6 7.ba6 Na6 8.Bc4 Nc5 9.Bc5 Bc5 10.0–0 0–0) 6.Nc3 (6.ba6 Na6 7.Bb5 c6 (7...Bd7 8.Nc3 Nf6 9.Ba6 ba6 10.0–0 0–0) 8.Ba6 ba6+= 9.Nc3 Nf6 10.0–0 0–0) 6...h6 (6...ab5!? 7.Nb5 Nf6+= (7...Bb6 8.Bd3 Nf6 9.0–0 0–0 10.Rb1 Nbd7) 8.Bc4 Bb6 9.Qe2 0–0 10.Bb2 Nh5) 7.ba6= ba6 (7...Na6 8.Bb5 Bd7 9.Rb1 Nf6 10.0–0 0–0) 8.Rb1 (8.Bc4 Nc6 9.0–0 Nf6 10.Qe2 0–0) 8...Ne7 (8...Nf6 9.Bc4 Nc6 10.0–0 0–0) 9.Bc4 0–0 (9...Nbc6 10.0–0 0–0) 10.0–0 Ng6 (10...Nbc6+=) 11.Bd5 (11.Nd5 c6=) 11...c6 12.Bc4 Kh8 (12...Re8 13.d4=) 13.Rb3 f5 14.d3 f4 (14...Nf4 15.Re1=) 15.h3 Nh4 16.Na4 Nf3 17.Qf3 Nd7 (better is 17...Qc7!?+=) 18.Bd6+– Rf6 19.Bb4 Rg6 20.Kh1 c5 21.Bc3+– Nf6? 22.Be5 Bb8 23.Bf6 Qf6 24.Bd5 Ra7 25.Rb8 Qf8 26.Nb6 Kh7 27.Rc8 (27.Rc8 Qe7 28.Bg8 Kh8 29.Bf7 Kh7 30.Bg6 Kg6 31.Rc6 Kh7 32.Nc8+–) 1–0. pierre – shasar, internet, 2010.

3.e4 d6 4.Nf3 Nf6 5.d4 Ne4 6.Bd3 Bf5 7.0–0 ab5 8.Qe2 Bg4?? (better is 8...d5=+) 9.Qe4+– Bf3 10.Qf3 ed4 (10...c6 11.Re1 Qf6 12.Qg3+–) 11.Qb7 (11...Nd7 12.Qb5+–; 11.Bb5?! c6 12.Bc4 d5 13.Re1 Be7+–) 1–0. Trkn – guest2836, ICC, 2004.

3.e4 Qg5 4.Bc4 (better is 4.Nc3!?=) 4...Qg2–/+ 5.Qf3 Qf3 6.Nf3 ab5 7.Bd5 (7.Bb5!? c6 8.Be2–/+) 7...c6 (7...d6 8.d4–+) 8.Bb3 d6 9.Ng5 Nh6 10.Rg1 Nd7 11.Nf7?? Nf7 12.Bf7 Kf7 13.Nc3 Nf6 14.d3 Bg4 15.Bg5 Bf3 16.h4 Bh5 17.Kd2 Ng4 18.Raf1 h6 19.Be3 Nh2 20.Re1 Nf3 21.Ke2 Ne1 22.Ke1 b4 23.Nb1 Ra2 24.Kd2 b3 25.Nc3 Rc2 26.Ke1 Rc3 27.Rg3 Rd3 28.f3 b2 (29.Kf2 b1Q–+) 0–1. manofsteel2 – nitehawk7, Live Game Caissa's Web, 2005.

3.ba6? Na6 (Myers)

4.Bb2 d6 5.Nc3 c5 6.e4 Be6 7.Bb5 Ke7 8.Nf3 Nf6 9.Ng5 d5 10.ed5 Nd5 11.Ne6 fe6 12.Ne4 Qc7 13.0–0 Nf6 14.Re1 Qb6 15.a4 Nd7 16.Bd7 Qb2 17.Rb1 Qd4 18.Rb7 Rb8 19.Qh5 g6 20.Qg5 Kf7 21.Qf6 Kg8 22.Be6 1–0. GLChess211 – Mustang13, computer chess game, 2001.

4.Bb2 d6 5.e3 Be7 6.g3 (6.d4 e4=+) 6...Bf6 7.Bg2 Rb8 (7...Nh6 8.Ne2=+) 8.Ne2 Bf5 9.d4 ed4 10.Nd4 Nb4 11.Na3 (11.Nf5? Bb2 12.c3 Na6–+) 11...Bg6 12.0–0 (12.Bc3 Nc6=) 12...c5=+ 13.Ndb5?? (13.Bc3 cd4 14.Bb4+=) 13...Bb2–+ 14.Nd6 Kf8 15.Nac4 (15.Nb7 Qd1 16.Rfd1 Ba3 17.Nc5–+) 15...Ba1 16.Qa1 Nc2 (16...b5 17.Nb7 Rb7 18.Bb7 bc4 19.Qe5–+) 17.Qc3 b5 18.Nb7 (18.Nf7 Bf7 (18...Kf7?! 19.Ne5 Ke8 20.Ng6 hg6 21.Qc5–+; 18...bc4 19.Nd8 Rd8 20.Qc4+/–) 19.Ne5 Qd6 20.Nf7 Kf7 21.Qc2 Nf6–+) 18...Rb7 (18...Qd3 19.Qe5 Rb7 20.Bb7 bc4 21.Qb8 Ke7 22.Qe5 Kd7 23.Qg7 Ne3 24.fe3 Qe3 25.Kg2–+) 19.Bb7 bc4 20.Qc4 Ne7 (20...Qd6!? 21.Rc1 Qe7 22.Bg2–+) 21.Qc5 h6 22.Rc1 (22.Bf3 Ke8–+) 22...Qd7 (22...Qd2 23.Rf1–+) 23.Bg2 (23.Bf3 Qf5 24.Qc7 f6–+) 23...Qd2 (23...f6 24.h4–+) 24.Rb1 Qd8 25.Rb2 (25.Rc1 Bf5–+) 25...Kg8 26.Rc2 Bc2 (better is 26...Qd1!? 27.Bf1 Bc2 28.Qe7–+) 27.Qc2 g6 28.a4 Kg7 29.a5?! (29.Be4–+) 29...Qa5 30.Qc3 (30.Qb2 f6 31.h3–+) 30...Qc3 31.Bf1 Qe1 32.Kg2 Nf5 33.g4 Nh4 34.Kg3 g5 35.Bc4 Rc8 36.Bd5 Rc2 (37.Kh3 Qf2 38.Bf7 Qe3) 0–1. MasterofDisaster – chessdv8, Live Game Caissa's Web, 2004.

4.Bb2 d6 5.g3 Bd7 6.Bg2 Bc6 7.Bc6 bc6 8.c3 Be7 9.Qa4 Qd7 10.Nf3 Nf6 11.d4 e4 12.Nh4 Nd5 13.c4 Nb6 14.Qb3 0–0 15.Nd2 d5 16.c5 Nc4 (16...Nc8!?–/+) 17.Nc4= Rab8 (better is 17...dc4!? 18.Qc4 Rfb8=+) 18.Ne5+/– Qh3? (better is 18...Rb3 19.Nd7 Rb2 20.Nf8 Kf8+/–) 19.Qc3+– Bh4 20.0–0–0?? (better is 20.gh4 Qe6 21.Rg1+–) 20...Bg5 21.e3 (21.Kb1 Rb5–+) 21...Qg2?? (better is 21...Nb4 22.Qd2 Na2 23.Kb1 Nb4–+) 22.Nc6 Rb7 23.Na5 (better is 23.h4 Bf6 24.Qc2–/+) 23...Rbb8?? (23...Nb4 24.Kb1 Rb5 25.a4–+) 24.Rdf1?? (better is 24.Nc6=) 24...Rb5 (better is 24...Nb4 25.Kb1 Nd3–+) 25.a3? (better is 25.Nc6!?–+) 25...Rfb8 (25...Nc5 26.dc5 Bf6 27.Qb4 Rb4 28.ab4–+) 26.Nc6 R8b7 (26...R8b7 27.Na5 Rb2 28.Nb7 Rb7–+) 0–1. MasterofDisaster – chessdv8, Live Game Caissa's Web, 2004.

4.e3 d5 5.Bb2 Bd6 6.Nf3 f6 7.c4 Ne7 8.cd5 Nd5 9.Bc4 Bb4 (better is 9...Nb6+=) 10.Ne5+= fe5 11.Qh5 g6?? (better is 11...Kf8 12.e4 Qe8 13.Qe8 Ke8 14.Bd5 c6+=) 12.Qe5+– Qe7 (12...Be7 13.Qh8 (13.Bd5?! Rf8+–; 13.Qd5?! Qd5 14.Bd5 Rf8+–) 13...Kd7 14.Bd5+–) 13.Qh8 (13.Bd5?! Rf8+–) 13...Kd7 (13...Qf8 14.Bd5 Qh8 15.Bh8+–) 14.Bd5 Nc5 15.Bf6 Nd3 (15...Qe8 16.Qh7 Kd6 17.Bf7+–) 16.Ke2 Nf4 17.Kd1 Qf8 18.Qf8 Bf8 19.ef4 Kd6 20.Nc3 c6 21.Bg8 Bf5 22.Bh7 Kd7 (22...Ke6 23.Bd4+–) 23.Rg1 Ra3 24.g4 Bd3 25.Rg3 Bc4 26.Bg6 Be7 27.Bf5 Kd6 28.Ne4 (28.Ne4 Kc7 29.Be7 Rg3 30.fg3+–) 1–0. Maci – G501, playchess.de, 2005.

4.e3 Nf6 5.Bb2 Bd6 6.Nf3 Qe7 7.Nc3 c6 8.Be2 Bc7 9.0–0 0–0 10.d4 e4 11.Nd2 d5 12.a3 Qd6 13.g3 Qe6 14.Nb3 Qh3 15.Nd2 h5 (15...Ng4!? 16.Bg4 Bg4 17.f3 ef3 18.Nf3–+) 16.Re1–/+ Ng4 17.Nf1 h4 18.Ba6 Ra6 19.Qe2 hg3 20.fg3 Nf6 21.Nd2 Bg4 22.Qf1 Qh6 23.Qf2 Bh3 24.Nb3 Bg4 25.Bc1?? (25.Nd2 Rfa8 26.Ne2–+) 25...Bf3–+ 26.Re2 Ng4 27.Qe1 c5?? (better is 27...Bd6–+) 28.Nd5+= Qh5 (worse is 28...Be2 29.Qe2 Qh3 30.Nc7+/–) 29.Nc7 Rh6 (29...Nh2!? 30.Rh2 Qh2 31.Kh2 Rh6 32.Kg1 Rh1 33.Kf2 Rh2 34.Kf1 Rh1 35.Kf2 Rh2 36.Kg1 Rh1 37.Kf2=) 30.h4+/– (30.dc5?? Qh2 31.Rh2 Rh2 32.Bb2 Rh1#) 30...g5 (30...c4 31.Nc5 Rc8 32.Nb5=) 31.Rd2 (better is 31.Nd5 c4 32.Nc5+–) 31...gh4= 32.gh4 Rg6 33.Rg2? (33.Kf1 Qf5 34.Rg2 Bg2 35.Ke2 cd4 36.Nd4 Bf3 37.Kd2 Qa5 38.c3–+) 33...Bg2 34.Nd5 (34.Qg3 Nh2!! 35.Ne8 Qd1 36.Kg2 Qf3 37.Kg1 Qg3 38.Kh1 Qg2#) 34...Qd5 35.Qg3 Bf3 36.Nc5 Ne5 37.Qg6 Ng6 38.Bd2 Nh4 (38...Nh4 39.Nd7 Qg5 40.Kf2 Qg2 41.Ke1 Qe2#; 38...Qh5 39.Ne6 Qg4 40.Kf1 Qg2 41.Ke1 Qe2#) 0–1. adriamaci (1835) – tomoa (1890), gameknot.com, 2009.

3.Bb2 ab5

4.e3 Qe7=+ 5.Nc3 (5.Nf3 e4 6.Nd4 b4=+) 5...c6–/+ 6.a4 (6.Nf3 d5–/+) 6...b4 7.Ne4 d5 8.Ng3 Nf6 9.Nf3 e4 (9...Nbd7 10.Be2–/+) 10.Nd4 h5 (10...b6 11.Be2–/+) 11.Ndf5 (11.Ngf5 Qd8–/+) 11...Qd8–/+ 12.h4 g6 13.Nd4 Bg4 14.Be2 Be2 15.Nde2 Bg7 16.d3 ed3 17.Qd3 Nbd7 18.0–0 0–0 19.Rfd1 Qe7 20.a5 Nc5 21.Qd4 Ne6 22.Qd3 Ng4 23.Bg7 Ng7 24.Qd2 Rfe8 25.Nd4 Ne5 26.Rdb1 c5 27.Nde2 Rad8 28.c3–/+ Qh4 29.cb4 Ng4 30.bc5=+ Qh2 31.Kf1 h4 32.Qd4 Ne3! 33.fe3 hg3 34.Qf6 Nf5–+ 35.Rb3 d4! 36.Qd8 Rd8 37.Rd1 d3! (38.Rdd3 Ne3 39.Ke1 Ng2 40.Kd2 Qh6 41.Kd1 Qh1 42.Kc2 Ne1 43.Kd2 Rd3 44.Rd3 Nd3 45.Kd3 Qd5 46.Ke3 Qc5 47.Nd4 Qc3 48.Kf4 g5 49.Ke4 g2–+) 0–1. Strolch,S – Empytantocin,D, internet, 2005.

4.Be5 b4 =.

4.Be5 d5 5.e3 c6 6.f4. Myers.

4.Be5 d5 5.e3 Nd7 6.Bb2 (6.Nf3!?+=) 6...c6–/+ 7.Nf3 Ngf6 8.d3 Nb6 9.Be5 Be7 10.Be2 0–0 11.0–0 Re8 12.c3 h6 13.Nd4 Nfd7 14.Bg3 Bf6 15.Qc2 Nf8 16.Nd2 b4 17.a4 (17.N2b3 bc3 18.Qc3 Qe7–/+) 17...bc3 18.N2f3 (18.N2b3 Na4 19.Nc5 b5 (worse is 19...Nc5 20.Ra8 Nce6 21.Nf5+/–) 20.Na4 ba4 21.Ra4 Ra4 22.Qa4 Bd7–+) 18...Nbd7 (18...Bd7 19.Rfb1–/+ (19.Qc3? Na4 20.Qc2 c5 21.Ra4 Ra4 22.Qc5 Qa5 23.Qa5 Ra5–+)) 19.Ra2 (19.Qc3? c5 20.Rac1 Qb6–+) 19...Qa5 20.Nb3 Qa7 21.d4 c5 22.Bb5 b6 23.Rb1 Re6 (23...Ba6 24.Bc6 Rac8 25.Bd5+=) 24.Qc3 (24.a5 c4 25.Nc1 ba5+=) 24...g6 (24...Ba6!? 25.Nbd2 Bb5 26.Rb5 Ng6+=) 25.Qd2 Bb7 26.Nc1 Qa5 27.Qd1 Bg7 28.Rc2 c4= 29.Ne2 Nf6 30.Nc3 Ne8 31.Ne5 f6 32.Nd7 Nd7 33.Bd7+/– Re7 34.Rb5 Qa7 35.Bg4 f5 36.Bf3 (36.Bf3 Nf6 37.Qb1+/–) 1–0. Taulien,Hans_Juergen (2350) – Jenull,Marco (2170), remoteschach.de, 2005.

4.Be5 d6 5.Bb2 Nf6 6.e3 c6 7.Be2 Be7 8.Nf3 Nbd7 (8...0–0 9.0–0=) 9.0–0 Nb6 (9...0–0 10.Bd4=) 10.d3 (10.Bd4 0–0=) 10...0–0 11.e4 (11.c4 Na4 12.Bd4 bc4–/+) 11...d5 (11...Be6 12.a3=+) 12.e5= Nfd7 13.Re1 Na4 (13...Qc7 14.d4=) 14.Bc1 f6 15.ef6 Bf6 (15...Nf6 16.Be3=) 16.d4 Ndc5 17.c3 (17.Ne5 Ne4 18.Bf3 Bf5=+) 17...Ne4 18.Bd3 (18.Qc2 b4 19.cb4 Nf2=) 18...Bf5 (18...Nec3 19.Nc3 Nc3 20.Qc2=+) 19.Qc2= c5 20.a3 (20.Ne5 Qa5 21.Bd2 A) 21...Nd2 22.Bf5 (< 22.Qd2 Bd3 23.Qd3 b4=; < 22.Nd2 Bd3 23.Qd3 Qc3 24.Qc3 Nc3–/+) 22...Nb1 A1) < 23.Reb1 Be5 (23...Qc3? 24.Bh7 Kh8 25.Ng6 Kh7 26.Nf8 Kg8 27.Qh7 Kf7 28.Qh5 Kg8 29.Ng6+–) 24.de5 Qc3=+; A2) 23.Be6 Kh8 24.Ng6 hg6 25.Qg6+/–; B) 21...c4 22.Be4 Be4 23.Re4 de4–/+) 20...Qc8 (20...c4 21.Be4 Be4 22.Re4 de4 23.Qe4–/+) 21.Bb5 (21.dc5 Nac5 22.Nd4 Bd4 23.cd4 Nd3 24.Qd3 Nf2–+) 21...cd4–/+ 22.Ba4 Nc3 (23.Qb3 Bb1–/+ (23...Ra4? 24.Nc3 Qc3 25.Qa4 Qa1 26.Qb3+–)) 0–1. Boehnke,Hartmut (1970) – Koenig,Paul (2095), 2006.

4.Be5 d6 5.Bb2 Nf6 6.e3 c6 7.Be2 g6 (7...d5 8.Nf3–/+) 8.Nf3 (8.h4 Bg7–/+) 8...Bg7–/+ 9.0–0 0–0 10.d4 (10.a3 Nbd7–/+) 10...h6 (10...Nbd7!?–/+) 11.Nbd2 Be6 12.a3 (12.c4 bc4 13.Nc4 Qc7+=) 12...Nbd7 13.Bd3 (13.c4 bc4 14.Bc4 Bc4 15.Nc4 Nb6+=) 13...Nb6 (13...Qc7 14.Re1–/+) 14.c3 (14.Qb1 Na4–/+) 14...Na4 15.Qc2 Nb2 (15...Nd5 16.g3–/+) 16.Qb2 d5 (16...Qc7 17.Rfe1–/+) 17.Ne5+= Kh7 (17...Nd7 18.f4+=) 18.h3 (18.Qc2 Qd6=) 18...Nd7+= 19.f4 (19.Nd7 Qd7 20.e4 de4 21.Ne4 b6+=) 19...Ne5 20.fe5 (20.de5 Qb6 21.Rfe1 f6 22.ef6 Rf6+=) 20...Qg5–/+ 21.Rf3 f6 22.ef6 Rf6 (22...Bf6 23.Kh1+=) 23.Re1 (23.Raf1 Rf3 24.Rf3 Rf8–/+) 23...Rf3 24.Nf3 Qg3 25.e4 Bh3 (25...de4 26.Be4 Bh3 27.Qf2 Qf2 28.Kf2–/+) 26.ed5 cd5 (26...Ra3 27.Re2 b4 28.Qb4 Ra1 29.Bb1 Bg2 30.Rg2 Qf3 31.Kh2 Qh5 32.Kg3–+) 27.Bb5 (27.Qf2 Qf2 28.Kf2 Bg4=) 27...Bg4–/+ 28.Rf1 Rc8 (28...Bf5 29.Be2–/+) 29.Bd3 Bf3 (29...Rf8 30.Qe2+=) 30.Rf3= Qe1 The backward pawn on c3 becomes a target 31.Kh2 Qe7 (31...Qc3?? 32.Bg6 Kg6 33.Rc3 (33.Qc3?! Rc3 34.Rc3 Kf5+–) 33...Rc3 34.Qc3+–; 31...Rc3? 32.Qc3 Qc3 33.Bg6 Kg6 34.Rc3+–) 32.Qb1 (32.g3 Rc7=) 32...Rc6 33.Kg1 (33.g3 h5= (33...Qa3? 34.Qb7 Qa2 35.Kh3+–)) 33...Re6 (33...Rc3 34.Bg6 Kh8 35.Rc3 Bd4 36.Kh2 Bc3 37.g3=) 34.Rf1 (34.Qb5 Rd6=) 34...b6 (34...Qa3 35.Rf3 b6 36.Qc2+=) 35.a4= Qg5 36.Qc1 (36.Re1 Rc6 37.Qb2 h5+=) 36...Re3 (better is 36...Qc1 37.Rc1 Rc6+=) 37.Bc2? (better is 37.Qd1+=) 37...Qg3–+ 38.Bg6 (38.Bd1 Rc3 39.Qf4 Qf4 40.Rf4–+) 38...Kg6 39.Qb1 Re4 40.Qb6 Kh7 41.Qb2 Qe3 (better is 41...Re3!? 42.Qb1 Kh8 43.Qb7 Rc3 44.Qa8 Kh7 45.Qd5–+) 42.Rf2 Rf4 (better is 42...Bf6 43.Qb7 Be7–+) 43.Qb1?? (43.Qe2 Qe2 44.Re2 Rf7–/+) 43...Qe4 (better is 43...Kg8 44.Qf1 Rf2 45.Qf2 Qc3–+) 44.Qe4 (44.Qf1 Rf2 45.Qf2 Kh8–/+) 44...Re4 45.Ra2? (better is 45.Kf1–/+) 45...Re3–+ 46.Ra3 (46.a5 Rc3 47.a6 Bd4 48.Kf1–+) 46...Bd4! 47.Kf1 (47.cd4 Ra3 Pinning (47...Ra3 Deflection)) 47...Rc3 48.Ra2 (48.Rc3 Bc3 49.Ke2 d4–+) 48...Bc5 49.a5 (49.Ke2 Kg6 50.Kd2 Bb4–+) 49...Ra3 50.Rc2 0–1. Nikolic,Jovane (1695) – De Godoy,Jurandir Dias (1900), Sao Sebastiao BRA, Aberto do Brasil, 2013.

4.Be5 d6 5.Bb2 Nf6 6.e3 c6 7.Nf3 Be6 =.

4.Be5 d6 5.Bb2 Nf6 6.Nf3 c6 7.e3 Be7 8.c4 (8.Be2 0–0=) 8...bc4=+ 9.Bc4 0–0 10.0–0 Bf5 (10...Bg4 11.Be2=+) 11.Nd4 (11.Bf6 Bf6 12.d4 Qd7=) 11...Bg6=+ 12.Nc3 (12.Be2 c5 13.Nf3 Qb6=+) 12...h6 (12...b5 13.Bb3=+) 13.Be2 (13.Qf3 d5 14.Be2 b5=) 13...Nbd7 (13...d5 14.d3=) 14.d3 (14.f4 c5 15.Ndb5 d5=) 14...Nc5 15.f4 d5 16.f5 Bh7 17.Qe1 Bd6 18.Qh4 Qc7 (18...Re8 19.Rf3=+) 19.a4 (19.Rab1 Rfe8 20.Kh1 b6=+) 19...Rfe8 20.Qh3 Qe7 21.Bc1 Be5 22.Ra2 Bd4 23.ed4 Nb3 24.Ba3 Qc7 25.Qh4 Qa5 (26.Rc2 Qa7–/+) 0–1. wiking – Conde7, internet, 2009.

4.Be5 d6 5.Bb2 Nf6 6.Nf3 d5 =.

4.Be5 Bd6?? 5.Bg7+– Nf6 (5...Be5 6.Be5 Nf6 7.Nc3+–) 6.Bh8 1–0. dwtu – vhry, internet, 2009.

4.Be5 Nc6

5.Bb2 b4 6.Nf3 Nf6 7.e3 d5 8.a3 Bd6 9.c3 bc3 10.Nc3 0–0 11.Be2 Ne5 (11...Re8 12.Nb5+=) 12.h3 (12.Nd5!? Nf3 13.Bf3 Nd5 14.Bd5=) 12...c6 13.0–0 Nf3 14.Bf3 Bc7 15.Qc2 Qd6 16.Rfc1 d4 17.Ne4 Ne4 18.Be4 f5 19.Bf3? (19.Bd3 Qh2 20.Kf1 Qh1 21.Ke2+/–) 19...d3–+ 20.Qc4 Be6 21.Qf4 Qf4 22.ef4 Bf4 23.Bc3 Bd6 24.a4 Rfe8 25.g3 g6 26.Kg2 Bc4 27.Rab1 Ba6 (27...Ra4?! 28.Rb7 Bb5 29.Rg7 Kf8 30.Rh7=) 28.Bd4 h6 29.h4 Kh7 30.Be3 h5 31.Rb6 Bc7 32.Rb4 Re7 33.Bc5 Rf7 34.Re1 Rd7 35.Re6 Ba5 36.Rb2 Kg7 37.Re1 Kf7 38.Rc1 Re8 39.Be3 Bd8 40.Rcb1 Re5 41.Rc1 Kg8 ˝–˝. alanhollywell1 (2035) – biggie (2210), gameknot.com, 2013.

5.Bb2 Nf6

6.Nc3 b4!? 7.Nb5 Be7 +=.

6.Nc3 Bc5 7.Nb5= Ng4 (better is 7...0–0!?=) 8.e3+/– Nb4?? (better is 8...Nf6+/–) 9.Qg4+– d6 (9...Rg8 10.Qe4 Kf8 11.a3+–) 10.Qg7 (10.Qg7 Rf8 11.Qh7+–) 1–0. Janek – Emir, internet, 2016.

6.e3 b4 7.a3 ba3 8.Na3 d5 (8...Be7 9.Nf3 (9.Be2 0–0 10.Nf3 Re8 11.0–0 d5 12.Nb5 Ra1 13.Qa1=) 9...0–0 10.Be2 b6 11.0–0 Re8 12.c4 d5 13.cd5=) 9.Nb5 (9.Nf3 Bc5 10.Nb5 Ra1 11.Qa1 Nb4 12.Ke2 Be7 13.Qa4=; 9.Be2 Bc5 10.Nb5 Ra1 11.Ba1 Be7 12.Nf3 0–0 13.0–0=) 9...Ra1 10.Qa1 Bb4 (10...Be7!?= 11.Qa4 0–0 12.Qf4 Ne8 13.Nf3=) 11.Nf3 (11.Be5 Ne5 12.Qe5 Kd7 13.g3+=) 11...0–0 (11...Be7+= 12.Qa4 Bf5 13.Ne5+=) 12.Bd3 (12.Bf6 gf6 13.Qa4 Re8+/–) 12...Re8 (12...Be7 13.Be2= (13.Qa4=)) 13.h3 (13.Bf6 gf6 14.Qa4 f5+/–) 13...d4 (13...Be7!?=) 14.Nfd4 (14.Nbd4 Ne7+/–) 14...Nd4 (14...Ne5 15.Be2+=) 15.Nd4 c5 (15...Ne4 16.Nf3 Nc5 17.Be2+/–) 16.Nf3 b5? (better is 16...Nh5!?+/–) 17.Bf6+– Qf6 (17...gf6 18.Bb5 Re7 19.Qa8+–) 18.Qf6 gf6 19.Bb5 Rd8 20.Ke2 Bb7 21.c3 Ba5 22.Ra1 Bb6 23.Ra4 Kh8 24.Bd3 Rg8 25.g3 Bc8 26.Rh4 Rg7 27.Be4 Kg8 28.d4 Ba6 29.Bd3 c4 30.Be4 Kf8 31.Bh7 Ke7 32.Rh5 Bb7 33.Nd2 Ba6 34.h4 Ke6 35.Ne4 Bb7 36.Rb5 Be4 37.Rb6 Kd5 38.Be4 Ke4 39.Rb5 Rg8 40.f3# 1–0. pierre – Alvin Xavier, internet, 2008.

6.e3 b4 7.a3 Be7 A) 8.Nf3 d5 9.Bb5 0–0 10.0–0 Bg4 11.h3 Bh5 12.ab4 Ra1 13.Ba1=+; B) 8.Be2 d5 9.Nf3 0–0 10.0–0 Re8 11.ab4 Ra1 12.Ba1 Nb4 13.Bf6=.

6.e3 b4 7.Nf3 d5 8.Be2 Be7 9.0–0 0–0 10.d3 Be6 11.Nd4 (11.a3 Re8=) 11...Nd4 12.Bd4 c5 13.Bb2 d4 14.ed4 cd4 15.Nd2 Ra2 16.Ra2 Ba2 17.Qa1 Be6 18.Bd4 Qc7 19.Qb2 Ra8 20.Nb3 Bf8 21.Bd1 (21.Bf6 gf6 22.Bf3 Qc3 23.Qc3 bc3=) 21...b6 (better is 21...Nd5!?=) 22.Bf6+= gf6 23.Qf6 Bg7 24.Qf3 Re8 25.Re1 Bd7 (25...Be5!?+=) 26.Re8+– Be8 27.Qe4 Bc6 28.Qb4 Qe5 29.d4 Qe4 30.Bf3 (better is 30.f3!? Qe3 31.Kf1+/–) 30...Qc2= 31.Kf1 (31.h3 Qb1 32.Kh2 Bf3 33.gf3 Qb2=) 31...Qb1 32.Qe1?? (better is 32.Ke2 Qb2 33.Ke3 Bh6 34.Kd3 Bf3 35.gf3 Qf2 36.Qb6 Qf3 37.Kc4 Qe2 38.Kd5 Qh2 39.Nc5+=) 32...Bb5 33.Be2 Be2 34.Ke2 Qb3 35.Qd2 Qc4 36.Qd3 Qd4 37.Qd4 Bd4 38.f3 Kg7 39.Kd3 Bg1 40.h3 Kg6 41.Kc4 (41.Ke4 b5–+) 41...Kg5 42.g3 (42.Kd5 Kf4 43.h4 h5–+) 42...Bf2 43.f4 Kf5 44.Kb5 Ke4 0–1. Starr,Albert Martin – Jones,Ian (1655), San Francisco Pafnutieff Memorial g/45, 2005.

3.Bb2 d6

(--> 1.b4 e5 2.Bb2 d6 3.b5 a6).

4.a4 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.b5 Nf6 4.a4 a6).

3.Bb2 e4

4.a4 d5 5.e3 Nf6 6.c4 ab5 7.ab5 Ra1 8.Ba1 Nbd7 9.cd5 (9.Qc2 A) 9...dc4 10.Bc4 Bd6 (10...Qe7+= 11.Bf6 Nf6 12.Nc3 Bf5 13.Qa2=) 11.f3 Nc5 12.fe4 Nce4 13.Nf3=; B) 9...Qe7 10.Bf6 Nf6 11.cd5 Nd5 12.Nc3 Nc3 13.dc3+=) 9...Nd5 10.Nc3 (10.d3 Nc5 11.d4 Ne6 12.Qb3 Bb4 13.Bc3+=) 10...Nc5 11.Na4 (11.Nd5 Qd5 12.Qc2 Bd6 13.b6+=) 11...Nb4 (11...Na4 12.Qa4 Bf5 13.Ne2+= (13.f3+=); 11...Nd3 12.Bd3 ed3 13.Nf3+=) 12.Nc5= Bc5 13.Qb1 Qd5 14.Bc3 (14.Bg7 Rg8 15.Bd4 Nd3 (15...Bd4?! 16.Qb4 Bc5 17.Qa4=) 16.Bd3 ed3+=) 14...Nd3+= 15.Bd3 ed3 16.Nf3 Bg4 17.0–0 Bf3 18.gf3 0–0 19.e4 Qd6 20.Kh1 g6 21.Kg2 Ra8 22.Qb3 Bb6 (22...Qe6 23.Qb1 Rd8 24.Qb2–/+) 23.Ba1 Qa3 (23...Kf8 24.Rc1+=) 24.Qd5= Qc5 25.Qd3 (25.Qb7?? Ra1 26.Qd5 Qd5 27.ed5 Ra2–+) 25...Qg5 26.Kh1 Rd8 27.f4 Qe7 28.Qe2 Bd4 29.Bc3 Qc5 30.h3 b6 31.Rd1 Bc3 32.dc3 Rd1 33.Qd1 Qf2 34.Qd8+= Kg7 35.Qd4 Qd4 36.cd4 Kf6 37.Kg2 Ke7 38.Kf3 Kd6 39.Ke3 c5 40.bc6! Kc6 41.h4 ˝–˝. Wiese,Uwe (2345) – Gierth,Karlheinz (2265), RSX7E – A00 – Sokolsky–2, 2009.

4.a4 d5 5.e3 Nf6 6.c4 dc4 7.Bc4 A) 7...Bd6 8.d3 (8.Nc3 0–0 9.d3 Bg4 10.Nge2 ed3 11.Bd3 ab5 12.ab5 Ra1 13.Ba1+=; 8.Ne2 ab5 9.ab5 Ra1 10.Ba1 0–0 11.d3 Be6 12.Qc2 Bc4 13.dc4+=; 8.Qb3 0–0 9.d3 Nbd7 10.de4 Nc5 11.Qc2 ab5 12.ab5 Ra1 13.Ba1+=) 8...0–0 9.Nc3 ed3 10.Qd3 Qe7 11.Nf3 ab5 12.ab5 Ra1 13.Ba1+=; B) 7...Be7 8.f3 (8.d3 ab5 9.Bb5 c6 10.Bc4 0–0 11.Ne2 ed3 12.Qd3 Qd3 13.Bd3+=) 8...ab5 9.ab5 Ra1 10.Ba1 Bd6 11.fe4 Ne4 12.Nf3 0–0 13.0–0=; C) 7...ab5 8.ab5 Ra1 9.Ba1 Bd6 10.d3 0–0 11.Ne2 Be6 12.Qc2 Bc4 13.dc4+=.

4.a4 d5 5.e3 Nf6 6.c4 Be6 A) 7.Qc2 A1) 7...c6 8.f3 (8.cd5 cd5 9.Ne2 ab5 10.ab5 Ra1 11.Ba1 Bd6 12.d3 ed3 13.Qd3+=) 8...ab5 9.ab5 Ra1 10.Ba1 Bf5 11.bc6 bc6 12.Bd4 dc4 13.Nc3=; A2) 7...dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Be6 fe6 12.Bf6 Nf6 13.Nc3=; A3) 7...Bb4 8.cd5 Bd5 9.Bc4 c6 10.Bd5 Qd5 11.Bf6 gf6 12.Nc3 Bc3 13.dc3=; A4) 7...ab5 8.ab5 (8.cd5 Bd5 9.ab5 Ra1 10.Ba1 Nbd7 11.Bd4 c5 12.bc6 Bc6 13.f3=) 8...Ra1 9.Ba1 Nbd7 10.cd5 Bd5 11.Bd4 c5 12.bc6 Bc6 13.f3=; B) 7.Ne2 ab5 (7...dc4 8.Nf4 Bg4 9.Qc2 Bd6 10.Bc4 Bf4 11.ef4 0–0 12.0–0 ab5 13.ab5=) 8.ab5 Ra1 9.Ba1 dc4 10.Nf4 Bf5 11.Bc4 Bd6 12.Nh5 Nh5 13.Qh5+=; C) 7.cd5 Nd5 8.Ne2 (8.Nc3 Nc3 9.Bc3 ab5 10.ab5 Ra1 11.Qa1 f6 12.Qb1 Qd5 13.d3+=; 8.d3 Bb4 9.Nd2 ed3 10.Bg7 Ne3 11.fe3 Rg8 12.Rb1 Bd2 13.Qd2–/+) 8...ab5 9.Nbc3 Nb4 10.Nf4 Bf5 11.Bb5 c6 12.Be2 Bd6 13.d3=.

4.a4 d5 5.e3 Nf6 6.Ne2 Bb4 (6...Bd6 7.Nf4+=) 7.c4 (7.Nf4 0–0+=) 7...0–0 (7...dc4 8.Nd4–/+) 8.cd5 ab5 (8...Qd5?! 9.Bf6 gf6 10.Nbc3+=) 9.ab5 Ra1 10.Ba1 Nbd7 (10...Nd5!? 11.Qc2 Re8=) 11.Ng3= Nc5 (11...Re8 12.Qc2=) 12.Bf6 Qf6 (worse is 12...gf6 13.Qh5+/–) 13.Bc4 (13.Qc2 Rd8=) 13...Bd7 14.0–0 Qb2 (14...Qb6 15.Qc2+=) 15.f3 (15.Qc1 Qc1 16.Rc1 Ra8+=) 15...ef3 16.Rf2 (worse is 16.Rf3 Bg4–/+) 16...Ba5 The isolani on b5 becomes a target 17.d4 (worse is 17.Rf3 Bg4–/+ (worse is 17...Bb5 18.Bb5 Qb5 19.d4+=)) 17...Qb4 18.Nd2 (worse is 18.Rf3 Bg4 19.Be2 Bf3 20.Bf3 Nb3–/+) 18...Na4 19.Qf3 (19.Rf3? Nb6 20.Bd3 Qd2–+) 19...Nb6 20.Bf1 f6 (20...Bb5 21.Bb5 Qb5 22.e4+=) 21.Nh5 (21.Nge4 Bb5 22.Nc5 Bf1 23.Nf1 Qc4+/–) 21...Qe7 (21...Rf7 22.Nf4+=) 22.Nc4+/– Nc4 (22...Be1 23.Rc2 Nc4 24.Bc4+/– (24.Rc4?! Bb5 25.Rc5 Bf1 26.Kf1 Bd2=)) 23.Bc4 Qb4 24.Qg3 g6 25.Rf6 (25.Nf6?! Rf6 26.Rf6 Qc4 27.Rg6 hg6 28.Qg6 Kh8 29.Qf6 Kh7 30.Qf7 Kh6 31.Qd7 Qc1 32.Kf2 Qe1 33.Kf3 Qf1 34.Kg3 Qe1 35.Kf3 Qf1 36.Kg3 Qe1 37.Kf3=) 25...Qb1 26.Bf1 Bb5 27.Rf8 Kf8 28.Qf4 Kg8 29.Nf6 Kg7 30.Ne4 Kg8 31.Ng5 Qf1 32.Qf1 Bf1 33.Kf1 b5 34.Ne6 Kf7 35.Nd8 Kf6 36.Nc6 Bc3 37.Ke2 b4 38.Kd3 Be1 39.Na5 Ke7 40.e4 Kd7 41.g4 1–0. Taulien,Hans_Juergen (2350) – Winiger,Albert (2340), remoteschach.de, 2004.

4.e3 ab5 5.Nc3 d5 6.Nb5 c6 7.Nd4 Nf6 8.Nge2 Qb6 (8...b5 9.Nf4+=) 9.Nb3 (9.Bc3 c5 10.Nb3 Nbd7+=) 9...Be7 10.Nf4 (10.a4 0–0+=) 10...0–0 11.Be2 Qc7 12.g3 (12.0–0 Nbd7+=) 12...Ba3 (12...b5!?–/+) 13.Bf6= gf6 14.Qb1 Kh8 (14...b5 15.f3=) 15.c4 (15.f3 f5=) 15...dc4 16.Bc4 b5 (16...Qe7 17.0–0=) 17.Be2 f5 (17...Re8 18.Qc2 Qd6 19.d4=) 18.0–0 (18.Qc2 Qd6=) 18...Rg8 (18...Bd6 19.d3=) 19.d3 Qe7 20.Rd1 Bd6 21.Qc2 (21.Qb2 f6=) 21...b4 22.Bf1 Re8 (22...Be5 23.Rac1=) 23.Bg2 (23.d4 Qf6=) 23...Bb7 (23...Ba6 24.d4=) 24.Nd4+= The backward pawn on c6 becomes a target 24...Ra5 25.Rd2 (25.Kh1 Bf4 26.gf4 Ba6 27.de4 fe4 28.Nc6 Nc6 29.Qc6 Bd3+=) 25...Bc8 (25...Bf4 26.gf4 Rg8 27.Nb3=) 26.de4 (26.Nc6 Nc6 27.Qc6 Bd7+/–) 26...fe4+= 27.Nc6 Nc6 28.Qc6 Be5 29.Rad1 Bg4 30.Qe8 Qe8+= 31.Rd8 Kg7 32.Re8 Bd1 33.Rd8 Bc2 34.Rd5 Rd5 35.Nd5 Bd6 36.Bf1 Bd1 37.Bc4+= Bg4 38.Nf4 Bf4 39.ef4 Kf8 40.Kf1 Ke7 41.Ke1 f6 42.Kd2 Kd6 43.Ke3 Kc5 44.Bg8 Bf5 45.Bb3 h6 46.h4 Kb5 47.Kd4+– Ka5 48.Kc5 Bh3 49.Kd6 Bg4 50.Ke7 f5 51.Kf6 h5 52.Ke6 Kb5 53.Ke5 Ka5 54.Kd4 Kb5 55.Kd5 Bf3 ˝–˝. Taulien,Hans_Juergen (2350) – Staats,Carsten (2315), remoteschach.de, 2001.

4.e3 d5 5.Bd4 +=.

3.Bb2 f6

(--> 1.b4 e5 2.Bb2 f6 3.b5 a6).

4.a4 d5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.a4 a6).

4.a4 d5 5.e3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.a4 a6).

3.c4 ab5

4.cb5 b6 5.Bb2 f6 (5...e4 6.a3=) 6.e3 d5 7.Qc2 (7.d4 Bb4 8.Nc3 e4=) 7...Bb7 (7...Bd6 8.d4=+) 8.Nf3 (8.d4 Bd6=) 8...Bd6 9.Nc3 Ne7 10.Be2 c5 11.0–0 (11.bc6 Nbc6 12.Nb5 0–0=) 11...Qc7 12.d3 Nd7 13.h3 0–0 14.Qb3 (14.Rfc1 Rfd8=+) 14...Kh8 15.Nd2 f5 16.Bf3 e4 17.de4 fe4 (17...de4?! 18.Be2=) 18.Bg4 Ne5 (18...Nf6 19.Bd1–/+) 19.Be2 Rf6 (19...Nd3 20.Bd3 ed3 21.Qd1–/+) 20.Nd1 (20.f4 ef3 21.Nf3 Raf8–/+) 20...Bc8 (20...Rg6 21.f3–/+) 21.f4 ef3 22.Bf3 (22.Nf3 Bf5–/+) 22...Be6 23.Qc2 Raf8 24.Bh5 Nf5 25.e4 Ng3 26.Rf6 Rf6 27.Bf3 d4 28.Nf2 Qf7 29.Qd1? g5?? 30.Ng4?? Nf3 31.gf3 Bg4 32.hg4 Be5 33.Qb3–/+ Qg7 34.Qd5 Rf8 35.Nc4 Bc7 36.Kg2 Ne2–+ 37.Qc6?? Qf7 38.Rf1 Qf4 (39.Qc7 Qc7–+) 0–1. Kuhlmann,Antonius Egidius J – Cassel,David, corr, 1987.

4.cb5 Bc5 5.e3 Nf6 6.Bb2 d6 7.Nf3 0–0 8.Qc2 Re8 (8...e4 9.Nd4+=) 9.Nc3 (9.Ne5 Qe7 10.Nf3 Bg4+=) 9...c6 10.a4 Qb6 (10...Nbd7 11.Be2+=) 11.Bd3 (11.Be2 Bg4=) 11...d5 12.Nd5? (12.a5 Ra5 13.Ra5 Qa5 14.Be2–/+) 12...cd5–+ (12...Nd5?! 13.Ne5 cb5 14.Rc1+=) 13.Be5 (13.Ne5 Nbd7 14.Nd7 Bd7–+ (14...Nd7?! 15.Bh7 Kf8 16.0–0–/+)) 13...Nbd7 14.Bf6 (14.Bb2 Qd6–+) 14...Nf6 (14...gf6?! 15.Bh7 Kg7 16.0–0–/+) 15.Ng5 (15.0–0 Bd6–+) 15...g6 (15...h6!? 16.Nf3–+) 16.0–0 Bd7 (16...Be7 17.f4 Nh5 18.Qb3–+) 17.Qc3? (17.a5 Qd6–+) 17...d4 (better is 17...Qd6!? 18.Rfc1 Rec8 19.Qb2–+) 18.Qb3 Be6 (18...Re7 19.Bc4 Be8 20.h3–+) 19.Ne6 (19.Bc4 de3 20.de3 Bc4 21.Qc4 Qc7–+) 19...Re6 (19...Qe6?! 20.Qe6 Re6 21.a5–/+) 20.Bc4 (20.h3 Qa5–+) 20...Re7 (20...de3?! 21.fe3 Be3 22.Kh1–/+ (22.de3?? Re3 23.Kh1 Rb3 24.Bb3 Kg7–+)) 21.Rfe1 (21.Qc2 Bd6–+) 21...de3 (21...Ne4!? 22.Re2–+) 22.de3 Rf8 (22...Ng4 23.Bd5–+) 23.Qc3? (better is 23.a5 Qd6 24.Red1–/+) 23...Ne4–+ 24.Qc2 Qf6 25.Rac1 Bb4 26.Red1 Ra8 (26...Ba3 27.Ra1 Bc5 28.Bd5–+) 27.Bd5? (better is 27.Rd4 Ba3 28.Rcd1–/+) 27...Nc3–+ 28.Rd4 Nd5 (28...Rc7!? 29.Bc4–+) 29.Rd5 Qe6 30.Rcd1 (30.Qd1 Ba3 31.Rc4 Ree8–+) 30...Ba5 (30...Ree8 31.R5d4 Rec8 32.Qb1–+) 31.g3 Rc8 32.Qb2 Bc7 33.Qd2 h5 34.f4? (better is 34.Qb4–+) 34...Qe3 35.Qe3 Re3 36.Rc1 Re7 37.Kf1 Ra8 38.Rc4 Rae8 39.Rd3 (39.Rc1 Kg7–+) 39...Bb6 (better is 39...Re1 40.Kg2 R8e2 41.Kf3–+) 40.Rc1 (40.Rc2–+) 40...Re2 41.Rf3 (41.Rd6 Rf2 42.Kg1 Rc2 43.Rb6 Rc1 44.Kf2 Rc2 45.Kf3 Rh2–+) 41...Rh2 42.Rc4 (42.a5 Ba5 43.Rd3 Rh1 44.Kg2 Rc1 45.Kf3–+) 42...Ree2 0–1. Kasachev,Yuriy – Basov,Gennady, Astrakhan Open, 2011.

4.cb5 d6 5.e4 Bd7 (5...Nf6 6.Nc3=+) 6.Nc3= h6 7.Bb2 Nf6 8.Nf3 c6 (8...Bg4 9.d4=) 9.a4 Ra5 10.Be2 Bg4 11.d4 Bf3 12.Bf3 Nbd7 13.0–0 Nb6 14.Qd3 d5 (14...Be7 15.bc6 ed4 16.c7 Qc7 17.Qd4+/–) 15.ed5 cd5 16.de5 d4?? (16...Nc4 17.ef6 Ne5+–) 17.ef6+– dc3 (17...Qf6 18.Ne4 Qd8 19.Rfd1+–) 18.Rfe1 Be7 19.Re7 Qe7 20.fe7 Ke7 (20...Nd5 21.Qd5 Ke7 22.Re1 Kf6 23.Bc3 Kg6 24.Be4 f5 25.Qf5) 21.Re1 Kf6 22.Qc3 Kg6 (22...Kf5 23.Qg7 Ra4 24.Qf6) 23.Qg7 Kf5 24.Qf6 1–0. Taulien,Hans_Juergen – Kirstein,Michael, remoteschach.de, 2002.

4.cb5 Qf6 5.Bb2 Bc5 (5...d5!?=+) 6.Nf3= d6 7.e3 Bg4 8.Be2 Bf3 (8...Ne7!?=) 9.Bf3+= Ra7 (9...c6 10.Qb3 Qe7 11.0–0+=) 10.0–0 c6 11.a4 (11.d4 ed4 12.ed4+/–) 11...Qh4? (11...Ne7!?+=) 12.Nc3 (12.d4 Bb6 13.de5 d5+–) 12...Qb4 (12...Bb4!?+/–) 13.Ba3 Qc4 (13...Qa5 14.bc6 bc6 15.Qb3+–) 14.Be2 (better is 14.Bc5!? dc5 15.bc6 bc6 16.Qb1+–) 14...Qe6 15.Bc5 dc5 16.Ne4 Nf6 17.Nc5 Qd5 (better is 17...Qe7!? 18.b6 Ra8+–) 18.b6+– Ra6? (18...Qc5 19.ba7 Qa7+–) 19.Ba6 ba6 (19...Qc5 20.Bb7 Qb6 21.Qb1+–) 20.d4 ed4 21.Qd4 Qg5 (21...Nbd7 22.b7 Nb8 23.Rfe1 Qd4 24.ed4 Kd8 25.Re5+–) 22.f4 (better is 22.Qd6 Nfd7 23.Nd7 Nd7 24.b7+–) 22...Qh5 (22...Qd5+–) 23.Qd6 Ng4 (23...Nbd7 24.Nd7 Ng4+–) 24.Qb8 Ke7 25.Qc7 Ke8 26.Qc6 Kd8 27.Qd7# 1–0. qarqua – jebiga, Live Game Caissa's Web, 2004.

4.cb5 Qf6 5.Nc3 c6 6.Qc2 cb5?? (better is 6...Ne7=) 7.Nd5+– (7.Nb5?! Na6=) 7...Qd6?? (7...Qc6 8.Qc6 bc6 (8...Nc6?? 9.Nc7 Kd8 10.Na8+–) 9.Nc7 Kd8 10.Na8 Bb7+–) 8.Qc8# 1–0. ilmarinens (2765) – mdf (1805), net–chess.com, 2006.

4.cb5 Qf6 5.Nc3 Qe6 6.g3 Nf6 (6...Bc5 7.Bh3 Qb6 8.e3=+) 7.Bh3 Qe7 8.Nf3 e4 9.Nh4 b6 (9...Qd8 10.d3 d5 11.Bc8 Qc8 12.de4 de4 13.Bg5=) 10.Bb2 g5 (better is 10...Qd8!?=) 11.Nf5+/– Qd8? (better is 11...Qb4 12.Qc2 Qc5+/–) 12.Ne4!+– (12...Ne4 13.Bh8+–) 1–0. ilmarinens (2765) – ajeffries (1910), net–chess.com, 2006.

4.cb5 g6 5.Bb2 Bg7 6.Nf3 d6 7.e4 Be6 8.Nc3 (8.d4 Ra2 9.Ra2 Ba2=) 8...Nd7 (8...Nf6 9.d4 ed4 10.Nd4=) 9.Be2 (9.d4 Ngf6=) 9...Nh6 (9...Qf6 10.0–0=) 10.d4+= f5 (10...0–0 11.d5 Bg4 12.h3 Bf3 13.Bf3=) 11.d5= Bf7 12.h4 (12.Bc1 fe4 13.Bg5 Bf6 14.Ne4 Bg5 15.Nfg5 0–0=) 12...Nc5 13.Ng5 0–0 14.Bc1 fe4 15.Nce4 Nf5 16.h5 Nd4 (16...Ne4!? 17.Ne4 Nd4=) 17.Nf7+= Rf7 18.Nc5 (18.Bg5 Qd7 19.Nc5 dc5 20.hg6 hg6=) 18...dc5 19.hg6 hg6 20.Bc4 Qd6 21.Be3 (21.Qd3 Ra5+/–) 21...e4 22.Rc1 Nf5 23.Rh3 (23.Bg5 Nd4+=) 23...Ne3= 24.fe3 (< 24.Re3 Bh6 25.Re4 Re7 26.Re7 Qe7 27.Kf1 Qh4=+) 24...Raf8 (24...Ra3 25.Qg4+/–) 25.Rc2 (25.Qg4 Bb2 26.Rc2 Be5+/–) 25...Qf6 26.d6 cd6 (26...Qf1 27.Bf1 Rf1 28.Kd2 Rd1 29.Kd1 cd6+/–) 27.Qg4?? (better is 27.Qe2+=) 27...d5!–+ 28.Bd5 Qf1 29.Kd2 Qd3 30.Kc1 Qd5 31.Rd2 Rf1 32.Rd1 Qc4 33.Kb1 Qd3 34.Kc1 Qc3 (35.Kb1 Qb2#) 0–1. Neuwald,Volker – Haas,Michael, Baden HT opA, 2001.

4.cb5 g6 5.Nf3 Bg7 6.Bb2 d6 =.

4.cb5 c6

5.a4 cb5–/+ 6.Nc3 ba4 7.Na4?? (better is 7.Ra4 Ra4 8.Qa4–/+) 7…b5–+ (8.Bb2 ba4 9.Ra4 Ra4 10.Qa4 f6–+) 0–1. Cyr – Wall,Bill, Microsoft Gaming Zone, 1996.

5.Bb2 d6 6.a4 cb5 7.ab5 Ra1 8.Ba1 Nf6 9.Nc3 (9.Nf3 Be7=+) 9...Be7 (9...d5 10.e3=+) 10.g3 (10.e4 d5 11.ed5 Nd5=+) 10...0–0 (10...d5 11.Bg2–/+) 11.Bg2 (11.Nf3 Nbd7=+) 11...d5–/+ 12.e3 (12.Qc2–/+) 12...Nbd7 (12...Re8 13.Nge2=+) 13.Nd5 (13.Bd5 Nc5 14.Bc4 Be6 15.Be6 Nd3 16.Ke2 fe6=) 13...Nd5=+ 14.Bd5 Nf6 (14...Nc5!? 15.e4 Be6 16.Be6 Nd3 17.Ke2 fe6=) 15.Bg2+= Qb6 (15...Nd7 16.Ne2+=) 16.Qb1 Bd7 (16...Qc5 17.Nf3 e4 18.Nd4+/–) 17.Be5+/– Qb5 (17...Rc8+/–) 18.Qa1?? (better is 18.Qb5 Bb5 19.Bb7+–) 18...Bc6+= 19.Nf3 (19.f3 Rd8+=) 19...Bf3 (better is 19...Be4!?=) 20.Bf3+/– (20...Rc8 21.Bd4+/–) 1–0. knightprancer – cccmember, playchess.de, 2004.

5.Bb2 d6 6.a4 cb5 7.e3 Ra4?? (better is 7...b4–/+) 8.Bb5+– (8.Bb5 Nc6 9.Ra4+–) 1–0. pereira – psnp, internet, 2016.

5.Bb2 d6 6.a4 Nf6 7.Nf3 =+.

5.Bb2 d6 6.d4 Qa5 7.Qd2 Qb5 8.e4 Qa5 9.Qa5 Ra5 10.Nd2 ed4 11.Bd4 Nf6 12.Nc4 Ra4 13.Nf3 Ne4 (better is 13...Be6!? 14.Nb6 Ra2 15.Ra2 Ba2 16.Bf6 gf6–+) 14.Nb6=+ Rd4 15.Nd4 Be6 16.f3 Nc3 (16...Nc5 17.Ne6 fe6 18.a4=+) 17.Ne6= fe6 18.Kd2 Nd5? (better is 18...g6!? 19.Re1 Na2=) 19.Nd5+/– ed5 20.Rb1 b5 21.a4 (21...g6 22.ab5 Bh6 23.Kc2+/–) 1–0. Trkn – guest2949, ICC, 2004.

5.Bb2 d6 6.d4 ed4 7.Qd4 Nf6 =.

5.Bb2 f6 =.

5.e3 cb5 6.Bb5 Ra5 7.a4 (7.Nc3 Nc6=) 7...Ne7 (7...Nc6 8.Bb2=) 8.Ba3 (8.d4 ed4 9.ed4 Nec6=) 8...Nf5 (8...Nbc6 9.Ne2=) 9.Bf8 Kf8 10.Qf3 (10.d4 ed4 11.g4 Nh6 12.Qd4 d5=) 10...Nd6 (10...d5 11.Nc3=) 11.Be2 (11.Nc3 Nb5 12.Nb5 d5=) 11...b5 (11...Qh4 12.g3 Qe7 13.Nc3=) 12.Bd1 (12.Qd5 Qf6 13.Qc5 Bb7=) 12...Qc7 13.Nc3 (13.Ne2 Bb7 14.Qg3 Bc6=+) 13...b4 (13...Bb7 14.Qg4=+) 14.Nd5 (14.Nce2 Bb7 15.Qg4 Na6=+) 14...Qc5 15.Bb3 Ba6 (15...Bb7 16.e4=+) 16.Nh3 (16.Qg4!?=) 16...Bc4=+ 17.Bc2?? (better is 17.Bc4 Qc4 18.e4 Ne4 19.d3 Qd5 20.de4–/+) 17...Bd5–+ 18.Qg4 Qc2 19.Qb4 Qc7 20.0–0 Na6 21.Qc3 Nc4 22.Rfc1 Rc5 23.Qd3 Qc6 (24.f3 Nb2–+) 0–1. riverborne – TimeKeeper, Live Game Caissa's Web, 2006.

5.e3 d5 6.Bb2 Bd6 7.Be2 (7.Nf3 Nd7=+) 7...Bf5 8.a4 (8.Nf3 Nd7=+) 8...Nf6 (8...c5 9.Nf3 Nd7 10.d4 ed4 11.ed4=+) 9.Nf3 Nbd7 (9...Qc7 10.b6 Qe7 11.a5=+) 10.h3 (10.bc6 bc6 11.0–0 0–0=+) 10...0–0 (10...c5 11.0–0–/+) 11.d3 (11.bc6 bc6 12.0–0 c5=+) 11...e4 (11...Qb6!? 12.d4 e4–/+) 12.de4=+ Bb4 (12...Ne4 13.0–0=+) 13.Nbd2 (13.Bc3 Bc3 14.Nc3 Ne4 (< 14...de4 15.Nd4 Qa5 16.Rc1+=) 15.Ne4 Be4=) 13...Ne4=+ (< 13...de4 14.Nd4 Be6 15.bc6 bc6 16.Nc6+=; 13...Be4?! 14.bc6 bc6 15.0–0=) 14.0–0 Re8 (better is 14...Nc3!? 15.Bc3 Bc3=+) 15.Ne4+= Be4 (15...de4? 16.Nd4 Be6 17.bc6 bc6 18.Nc6+–) 16.Bd3 (16.Bg7 Bf3 17.Bf3 Kg7 18.Qd4 Ne5 19.Qb4 Nf3 20.gf3 Re6+=) 16...Nf6 (16...c5 17.Ne1=+) 17.bc6 (17.Rc1 c5=+) 17...bc6 18.Be4 Ne4 (18...de4 19.Nd4 c5 20.Nf5=) 19.Nd4 (19.Bg7!? Kg7 20.Qd4 Kg8 21.Qb4+/–) 19...Qb6 (19...Qd7 20.Qd3=+) 20.Nf5= g6 (20...Bf8 21.Ra2 c5 22.f3=+) 21.Nh6 Kf8 22.Qf3 (better is 22.Qd3=) 22...Ng5?? (better is 22...f5 23.Rfc1 Bc5=) 23.Qf6+– Qd8 (23...Reb8+–) 24.Qg7 (24...Ke7 25.Bf6 Ke6 26.Bd8 Rad8 27.f4+–) 1–0. secgestor – chess55555, internet, 2007.

5.e3 Qg5 6.Nf3= Qf5 7.Be2 e4 8.Nd4 Qg5 9.g3 (9.0–0 c5 10.f4 Qg6=) 9...Qe5 (9...c5 10.Nc2+=) 10.Nc3 Bc5 11.0–0 (11.Nb3!? Bb4 12.Bb2=) 11...Bd4+= 12.ed4 Qd4 13.Qa4?? (better is 13.Qc2 d5 14.d3+=) 13...Ra4–+ 14.Bb2 (14.Na4 Qa4 15.d3 d5–+) 14...Qd2 (better is 14...Ra5 15.Nd1 Qd2 16.Bg7 Qe2 17.Nc3–+) 15.Na4 f6 (15...Ne7 16.Bc4 Qb4 17.Bb3–+) 16.Bc4 (16.Rfe1 d5–+) 16...d5 17.Bc3 Qc2 (17...dc4 18.Bd2 Ne7 19.b6+=) 18.Bb3 Qe2 19.Bd1 (19.bc6 bc6 20.f3 e3–+) 19...Qb5 20.Bc2 (20.Rb1 Qa6–+) 20...Bh3 21.Rfd1 (21.Rfe1 Nd7 22.Bd1–+) 21...Qe2 22.Bd3 Qf3 23.Bf1 Bf1 24.Rf1 b5 25.Bd4 (25.Rae1 ba4 26.Re3 Qh5–+) 25...ba4 26.Be3 Na6 27.a3 c5 (27...h5 28.Rfe1 h4 29.Ra2–+) 28.Rac1 d4 29.Bf4 g5 30.Bd6 Qa3 (better is 30...h5 31.Rfe1–+) 31.Rc4 Kd7 (better is 31...Qb3 32.Rc5 Nc5 33.Bc5–+) 32.Bf8 Ne7 33.Bg7 Qb3 34.Rfc1 Rg8 35.Bf6 a3 (better is 35...Nf5 36.h3–+) 36.Bd4 cd4 37.Rd4 Nd5 38.Rcd1 Nab4 39.Kg2 a2 40.Kh3 Qb1 (40...Nd3 41.R1d3 ed3–+) 41.Rb4 Qd1 42.f3 (42.Rb7 Ke6 43.Rb6 Kf5 44.Rf6 Nf6 45.Kg2 a1Q 46.h3 Qg1#) 42...a1Q (42...Qf1 43.Kg4 Qf3 44.Kh3 Nf4#) 43.Re4 (43.Rd4 Qf1 44.Kg4 Qf3 45.Kh3 Qaf1#) 43...Qf1 44.Kg4 Nf6 45.Kf5 Qf3 46.Rf4 Qa5 (46...Qd5#) 47.Kf6 Rg6 (47...Qc6 48.Kf7 Qe6#) 48.Kf7 Qfd5 49.Kf8 Qaa8# (49...Qd8#) 0–1. harry74 – spensley, gameknot.com, 2013.

5.e4 Bc5 6.Nf3 d6 (6...Nf6 A) 7.Ne5? Bd4 (7...Ne4?! 8.Qf3 Ng5 9.Qg3–/+) 8.Nc3 Be5–+; B) 7.d4 ed4 8.Bd3=+) 7.h3 (7.d4 ed4 8.Nd4 Nf6=+) 7...Nf6=+ 8.Nc3 h6 (8...0–0 9.bc6 Nc6 10.Bc4=+) 9.Be2 0–0 10.0–0 (10.Qc2 Be6=+) 10...Be6 (10...d5 11.Qc2=+) 11.a4 (11.Bb2 Ba3 12.Qc2 Bb2 13.Qb2 c5=+) 11...Qd7 (11...cb5 12.Bb5 Qa5 13.Qe2=+) 12.d4 Bb4 13.Na2 Ba2 14.Ra2 Ne4 15.Bb2 (better is 15.Qb3 Nc3 16.Rc2=+) 15...f6?? (better is 15...Qe6 16.Qb1 Nc3 17.Bc3 Bc3 18.de5 Be5=+) 16.de5?? (better is 16.Qb3 Qf7 17.Qb4 ed4 18.Qd4+–) 16...Qe6+= 17.Ra1 d5 18.ef6 Nf6 19.Qb3 Bc5 20.Bd3+= b6 21.Ba3 Ne4 22.Be4+= Qe4 23.Bc5 bc5 24.b6 Na6 25.b7 Rab8+= 26.Qb6 Nb4 27.a5 Qg6 28.a6 Na6 29.Ne5 Qd6= 30.Nc6 Nb4=+ 31.Rfb1? Nc6–+ 32.Ra6 Rf6 33.Ra8 d4?? 34.Qc6!+– Qf4 35.Rb8 Qb8 36.Qc8 Rf8 37.Qc5 Rd8 38.g3 d3+/– 39.Qc4 Kh8 40.Qb5 d2 41.Rd1 Qc7 42.Rd2 Qc1 43.Kg2 Qd2 44.b8Q Rb8 45.Qb8 Kh7 46.Qb7 Qe2 47.h4 Qe6 48.f3 Qe2 49.Kh3 Qd1 50.Qf7 Qf1 51.Kg4 Qd3? 52.Qf5+– Qf5 53.Kf5 h5 54.Kg5 g6 55.f4 Kg7 56.f5 gf5 57.Kf5 Kh6 58.Kf6 (58...Kh7 59.Kg5+–) 1–0. sportsmaniac (2290) – ventinovesettembre (2360), net–chess.com, 2007.

4.cb5 d5

5.a4 Nf6 6.h3 Bd6 7.e3 0–0 8.Nf3 Qe7 9.Nc3 d4 10.Ne2 Ne4 11.Ng3? (better is 11.Bb2!? de3 12.fe3–+) 11...Ng3–+ 12.fg3 e4 13.Nd4 Bg3 14.Ke2 c5 15.bc6 Qe5 16.d3 ed3 17.Kd2 Qa5 18.Kd3 Nc6 19.Bd2 Bf5 20.Kc4 Qb6 21.Nf5 (21.Nb5–+) 21...Ne5 22.Kd5 Qc6 23.Kd4 Rfd8 24.Nd6 Rd6 0–1. peteywheatstraw (1620) – temur (2200), gameknot.com, 2012.

5.Bb2 d4 6.e3=+ de3 7.fe3 Bd6 8.Qc2 Nf6 9.Nf3= 0–0 10.Bc4 Be6 11.0–0 Nbd7 12.Ng5 Bc4=+ 13.Qc4 Nb6 14.Qd3 h6 15.Ne4 Ne4 16.Qe4 Ra7 17.Nc3 Nd7 18.Nd5 Nc5 19.Be5?? Ne4–+ 20.Rab1 Be5 21.Nf4 Qd2 22.b6 Qe3 23.Kh1 Nf2 24.Rf2 Qf2 25.Nd3 Qc2 26.Ne1 Qb1 27.g3 Ra2 28.bc7 Qe1# 0–1. Jolilein – ketchuplover, mySchach.de, 2005.

5.Bb2 f6 6.e3 b6 7.Nc3 Bb7 8.Nf3 c6 9.a4 Nd7 10.Be2 Bc5 11.0–0 Nh6 12.Ba3 e4 13.Bc5 ef3 14.Bf3 Nc5 15.d4 Ne6 16.bc6 Bc6 17.Qb3 Ra5 18.Rfb1 Ra6 19.Bd5 Bd5 20.Qb5 Qd7 21.Qa6 0–0 22.Nd5 Qd5 23.Rb6 Ng5 24.Qb5 Qa8 25.Rb1 Qe4 26.a5 Nf5 27.Qb3 Nf7 28.Rb8 Ne3 29.fe3 f5 30.Rf8 Kf8 31.Qb8 Ke7 32.Qb7 Qb7 33.Rb7 Kd8 34.Rf7 Kc8 35.Rg7 Kb8 36.Rh7 Kc8 37.a6 Kb8 38.d5 f4 39.Rb7 Ka8 40.d6 f3 41.Rb1 f2 42.Kf2 Ka7 43.d7 Ka8 44.d8Q Ka7 45.Qb6 Ka8 46.Qb7# 1–0. NN – NN, 2008.

5.Bb2 f6 6.Nf3 Be6 7.e3 Nd7 8.Be2 Bd6 9.a4 Ne7 10.0–0 0–0 11.Qc2 Qe8 12.Nc3 Bf5 13.e4 de4 14.Ne4 Qg6 15.Qc4 Kh8 16.Nh4+/– Qh6 17.Nf5 Nf5 18.Qe6 Qg6?? 19.Nd6+– cd6 20.Qd7 Qg5 21.Bc3 Nh4 22.Qg4 Qh6 23.g3 Ng6 24.Qh5 (24...Qh5 25.Bh5+–; 24.Qd7 Rab8+–) 1–0. Neuwald,Volker – Nowack,Jost, Baden–ch AT Ladenburg, 1992.

5.d4 ed4 6.Qd4 c5 7.Qb2 Nf6 8.Nf3 Qb6 9.e3 Bd6 10.Be2 0–0 11.0–0 Bf5 12.Rd1 Bc7 13.Nc3 Rd8 14.a3 d4 15.ed4 cd4 16.Na2 d3 17.Bf1. Comet B68 – Fritz 5.32, 2007.

5.d4 Bd6 =+.

5.d4 e4 6.Bf4 =+.

5.d4 Qf6 6.Bb2 e4 7.Nc3 Be6 8.e3 Nh6 9.Qb3 Bd6 10.h3 0–0 11.Nge2 Nd7 12.Nd5 Qd8 13.Rc1 Nb6–+ 14.Nec3 Nd5 15.Ne4 Bb4 16.Nd2 Bd2 17.Kd2. Comet B68 – Fritz 8, 2007.

5.d4 Nf6 6.de5 Ne4 7.Nf3 Bb4 8.Bd2 Nd2 9.Nbd2 Bg4 10.Qb3=+ c5 11.a3 0–0 12.Ra2 Ba5 13.h3 c4–/+ 14.Qe3 Bf3 15.ef3 c3 16.Nb3 c2 17.Ke2. Comet B50 – Fritz 9, 2007.

5.e3 b6 6.Bb2 Bd6 7.f4 Qe7 8.Nf3 Bg4 9.g3?? Nf6?? 10.Qb3?? Bf3–+ 11.Rg1 Nbd7 12.Bg2 Bg2 13.Rg2 0–0 14.Kf2 Nc5 15.Qc2 e4 16.g4 Nd3 17.Kg1 h6 18.Bc3 Ne1 19.d4 Nc2 20.Rc2 Ng4 21.Bd2 Bb4 22.Bb4 Qb4 23.Re2 Qc4 24.Re1 Qb5 25.Nc3 Qb2 26.Ne2 Ne3 27.Rab1 Qa2 28.Kf2 Nf5 29.Kf1 Ra3 30.Kg1 Re3 31.Ra1 Qc4 32.Rac1 Qd3 33.Rcd1 Qd1 34.Rd1 Re2 35.Kh1 Ra8 36.Rg1 Raa2 37.Rf1 Rh2 0–1. MasterofDisaster – Trijas, Live Game Caissa's Web, 2004.

5.e3 Nf6 6.Bb2 Bd6 7.Nf3 e4 8.Nd4 Ng4 9.h3? (better is 9.Be2 Qh4 10.g3+=) 9...Qh4–+ 10.Qe2?? (10.hg4 Qh1 11.d3–+) 10...Nf2! (10...Nf2 11.Qf2 Bg3 12.Qg3 Qg3 13.Kd1 0–0–+) 0–1. Proske,Johannes – Shevelev, corr, 1970.

5.e4 de4!? 6.Bb2 Nd7 –/+.

5.e4 Nf6 6.ed5 Bd6 7.Nc3 0–0 8.Bc4 Bf5 9.Nf3 Re8 10.d3 Nbd7 11.0–0= Nb6 12.Bb3 Bg4 13.h3 Bh5 14.Ne4 Nfd5 15.g4 Bg6–/+ 16.Bd5 Nd5 17.Bb2 Ra5 18.Nd6 cd6 19.Qe2? Nf4 (20.Qe3 Rb5–+; 19...Rb5?! 20.Bc1–+) 0–1. Neffgen,Dieter – Seckler,Siggi, RSS5D easy–1, 2003.

5.Nf3 Bd6 6.d4 –/+.

5.Bb2 Qd6

6.e3 Nf6 7.a4 Nbd7 =+.

6.Nf3 Nd7 7.a3 A) 7...Be7 8.e3 Ngf6 9.a4 Qe6 10.Qc2=+; B) 7...Ngf6 8.e3 Be7 9.a4 Ne4 10.Qc2=+; C) 7...e4 8.Nd4 Ngf6 9.d3 Nc5 10.de4=+; D) 7...d4 8.e3 d3 9.Nc3 Ngf6 10.Ng5–/+.

6.Nf3 Nd7 7.a4=+ A) 7...Qe6 8.a5 Ngf6 9.e3 Bb4 10.Qc2=+; B) 7...Ne7 8.e3 e4 9.Nd4 Qb6 10.Qc2=+; C) 7...Be7 8.e3 Bf6 9.d4 e4 10.Nfd2=; D) 7...d4 8.e3 Qb4 9.Qc2 de3 10.fe3=; E) 7...Ngf6 8.Qc2 e4 9.Nd4 Qb6 10.Bc3=+.

6.Nf3 Nd7 7.Qc2 Be7 8.a4 Ngf6 9.Ba3 Nc5 10.e3 =+.

6.Nf3 Nd7 7.e3 Ngf6 8.Be2 Be7 9.0–0 e4 10.Nd4 =+.

6.Nf3 e4 7.Nd4 Qb6 8.Bc3 Nf6 9.a4 Bb4 10.Bb4 =+.

6.Nf3 e4 7.Nd4 Nf6 8.a4 Qb6 9.Bc3 Bb4 10.Bb4 =.

6.Nf3 e4 7.Nd4 Nf6 8.e3 Nbd7 9.Be2 c5 10.bc6= bc6 11.Qc2 Ne5 12.f4 ef3 13.gf3 Be7 14.f4 Nc4 15.Bc4 dc4 16.Qc4 Rb8 17.Ba3 c5 18.Nc3 0–0 19.Rg1 Bh3 20.Nb3 Nd7 21.Ne4+/– Qh6 22.Nbc5 Nc5 23.Bc5+/– Rfc8 24.Qc3 Bh4+= 25.Ng3 Qh5 26.d4 Qf3= 27.Kd2 Qf2 28.Ne2 Rc5 29.dc5 Rd8 30.Qd4 Rd4 31.ed4 Bd8 32.Rab1 Ba5 33.Kd1 h5 (34.Rb8 Kh7–+) 0–1. Van Rooijen,Peter (1700) – Dehaybe,Andre (1830), RI.2003.0.00001, 2003.

6.Nf3 f6

7.a3 A) 7...Ne7 8.e3 Nd7 9.Bc3 Qb6 10.Be2=; B) 7...c5 8.bc6 Nc6 9.Nc3 e4 10.Nb5=; C) 7...Bf5 8.e3 Nd7 9.Be2 Be7 10.0–0=+; D) 7...Be7 8.Qc2 Be6 9.e4 Qd7 10.ed5=+; E) 7...Nd7 8.Qc2 Ne7 9.Nc3 e4 10.Nd4=; F) 7...Nh6 8.e3 Be7 9.Nc3 Be6 10.Be2=+; G) 7...Bg4 8.h3 Be6 9.e3 Nh6 10.Be2=+.

7.a4 A) 7...Qd8 8.e3 Bd6 9.d4 e4 10.Nfd2=; B) 7...Bg4 8.h3 Bf3 9.ef3 Ne7 10.d4=; C) 7...Qb6 8.e3 c5 9.d4 cd4 10.ed4=; D) 7...Ne7 8.e3 Bg4 9.Be2 e4 10.Nd4=; E) 7...Be7 8.d4 e4 9.Nfd2 Be6 10.e3=; F) 7...Qb4 8.Bc3 Qg4 9.h3 Qh5 10.Qb3=+.

7.Qc2 A) 7...c5 8.e4 Be6 9.ed5 Bd5 10.Be2=+; B) 7...Be6 8.e3 Ne7 9.Nc3 c5 10.bc6=; C) 7...Qb6 8.e4 Bc5 9.d4 ed4 10.ed5=; D) 7...e4 8.Nd4 Qc5 9.d3 Nd7 10.Bc3=; E) 7...Bg4 8.h3 Be6 9.e3 Qd7 10.Be2=+.

7.Nc3 A) 7...Ne7 8.e3 Qb4 9.Rb1 Qa5 10.Be2=; B) 7...Bf5 8.d4 e4 9.Nd2 Nd7 10.e3=; C) 7...Bg4 8.h3 Bf5 9.e3 Nd7 10.d4=+; D) 7...Be6 8.e3 Ne7 9.Be2 Nf5 10.0–0=; E) 7...d4 8.Ne4 Qb4 9.Qc2 Qb5 10.e3=+.

7.e3 Bg4 8.a4 e4=+ 9.h3 Bh5 10.g4 Bf7 11.Nd4 h5 12.gh5 Bh5=+ 13.Be2 Be2 14.Qe2 Nd7 15.Nc3 Ne5 16.Ba3 Qd7 17.Bf8 Nd3 18.Kd1 Kf8 19.f4 f5 20.Nc2 Nf6 21.Ne1 Nc5 22.d4 ed3 23.Nd3 (23...Nce4 24.Qe1–/+). Ashley1 – Arkantos (1660), internet, 2008.

5.Bb2 Bd6

6.a3 Nf6 7.Qc2 c5 8.bc6 Nc6 9.e3 0–0 10.Nc3 Bg4 11.Be2 –/+.

6.Qc2 Nf6 7.Nf3 Qe7 8.e3 0–0 9.Be2 Bg4 10.Nc3 c6 11.h3 =+.

6.Nc3 Nf6 7.d4 Nbd7 8.e3 e4 9.Qb3 Nb6 10.a4 Ra5 11.Ba3 =+.

6.d3 c5 7.Qd2 Be6 8.e3 Nf6 9.Nf3 d4 10.Na3 Bc7 11.Qc2 –/+.

6.d4 e4 7.Nc3 Nf6 8.a4 e3 9.fe3 Ng4 10.Nf3 Ne3 11.Qb3 –/+.

6.Nf3 f6 7.e3 Ne7 8.Be2 Be6 9.d4 e4 10.Nfd2 0–0 11.Nc3 Nd7 12.Qb3 f5 13.a4 c5 14.dc5 (14.bc6!? bc6 15.Ba3 Ba3 16.Qa3=) 14...Nc5–/+ 15.Qc2 Qc7 16.g3 Be5 17.Nb3? (better is 17.0–0!? Na4 18.Ra4 Ra4 19.Qa4 Bc3 20.Rc1+=) 17...Na4!–+ 18.Nd4 (18.Ra4 Ra4 Combination; 18.Na4 Qc2 Pinning (18...Qc2 Deflection; 18...Qc2 Clearance)) 18...Nb2 (18...Bd4 19.ed4 Nb2 20.Qb2 Ra1 21.Qa1–+) 19.Ra8 Ra8 20.Qb2 Bd4 21.ed4 f4 22.0–0 (22.b6 Qd6–+) 22...f3 23.b6 Qd6 (better is 23...Qc6 24.Bd1 Qc4–+) 24.Nb5?? (24.Bd1–+) 24...Qb6 25.Bf3 ef3 26.Re1 (26.Qb4 Nc6 27.Qc5 Nd4 28.Qd4 Qb5–+) 26...Ra5 27.Qb4 Nc6 (better is 27...Kf8 28.Qb3 Rb5 29.Qf3 Kg8–+) 28.Qd6 Bf7 (28...Qb5?? 29.Qe6 Kh8 30.Qe8; 28...Rb5?? 29.Qe6 Kh8 30.Qe8) 29.Nc7 (29.Qd7 Qd8 30.Qb7–+) 29...Qb4 (29...Qb4 30.Qb4 Nb4–+) 0–1. Nieland,K (1710) – Spanton,T (1945), Bad Woerishofen GER, 2014.

6.e3 Nf6=+

7.d4 e4 –/+.

7.Be2 e4 (7...0–0 A) 8.d3 A1) 8...Qe7 9.Nf3 (9.a4 Bb4 10.Nd2 e4 11.Nh3 ed3 12.Bd3 Ne4 13.Be4 de4 14.Rc1) 9...e4 10.Nd4 c5 11.bc6 Nc6 12.Nd2 ed3 13.Bd3 Bg4 14.Be2; A2) 8...Bd7 9.a4 Bb4 10.Nd2 e4 11.de4 de4 12.Nh3 Bh3 13.gh3 Nbd7 14.0–0; B) 8.a4 e4 9.d4 Nbd7 10.Nh3 Nb6 11.Nd2 Bh3 12.gh3 Bb4 13.0–0 h6 14.Qc2) 8.d3 (8.Nh3 0–0 9.a4 (9.Nc3 Nbd7 10.0–0 Nb6 11.d3 Bh3 12.gh3 Qd7 13.Kg2 Qf5 14.h4; 9.Nf4 d4 10.Bc4 c6 11.0–0 cb5 12.Bb5 Nc6 13.Qc1 Bd7 14.Na3) 9...Nbd7 10.Nf4 g5 11.Nh3 h6 12.Nc3 c6 13.f4 ef3 14.gf3; 8.Nc3 0–0 (8...Nbd7 9.d3 Ne5 10.de4 de4 11.Nh3 Bf5 12.0–0 Nd3 13.Bd3 ed3 14.Qf3) 9.d3 (9.d4 Nbd7 10.Qb3 c5 11.Nd5 Nd5 12.Qd5 Nf6 13.Qb3 Be6 14.Bc4) 9...Qe7 10.a4 Nbd7 11.d4 Nb6 12.a5 Nc4 13.Nd5 Bb4 14.Kf1; 8.d4 Nbd7 9.Nd2 (9.a4 0–0 10.Nh3 Nb6 11.Nd2 Bh3 12.gh3 Bb4 13.0–0 h6 14.Qc2) 9...0–0 10.Nh3 Nb6 11.a4 Bh3 12.gh3 Bb4 13.0–0 h6 14.Qc2) 8...Nbd7 (8...0–0 9.Nc3 (9.de4 de4 10.Nc3 Qe7 11.Nh3 Rd8 12.Qc2 Bh3 13.gh3 Nbd7 14.0–0–0) 9...Nbd7 10.de4 de4 11.Nh3 Nc5 12.Qd4 Be6 13.Nf4 Bf4 14.Qc5; 8...Qe7 9.Nc3 (9.Nh3 0–0 10.Nc3 Ba3 11.Rb1 Bh3 12.gh3 Nbd7 13.0–0 Nc5 14.d4; 9.Qc2 0–0 10.Nc3 Nbd7 11.d4 Nb6 12.a4 c6 13.Nh3 Bh3 14.gh3) 9...0–0 10.Nh3 Ba3 11.Ba3 Ra3 12.Nb1 Ra8 13.Nf4 g5 14.Nh5) 9.Nd2 (9.Nc3 Ne5 10.de4 de4 11.Nh3 Bh3 12.gh3 0–0 13.Qc2 Bb4 14.0–0; 9.de4 de4 10.Nh3 Ne5 11.Nc3 Bf5 12.0–0 Nd3 13.Bd3 ed3 14.Qf3) 9...0–0 (9...Ne5 10.de4 de4 11.Nc4 Nc4 12.Bc4 Bb4 13.Kf1 0–0 14.Ne2) 10.de4 de4 11.Qc2 (11.Nh3 Ne5 12.Qc2 Bf5 13.0–0 Nd3 14.Bd4) 11...Nc5 (11...Be5 12.Nh3 Bb2 13.Qb2 Nc5 14.Nf4) 12.Bd4 (12.Nh3 Bf5 13.Nf4 g5 14.Bd4) 12...Qe7 13.Nc4 (13.Nh3 Nd5 14.Bc5) 13...Bf5 (13...Ne6 14.Bc3–/+) 14.Nd6+= cd6 15.Nh3 (15.Qb2 Ncd7+=) 15...Nd3 (15...Bh3 16.gh3 Ne6 17.Bb2–/+) 16.Bd3+= ed3 17.Qb3 Rfc8 (17...Qe6 18.Qb2 Bh3 19.Bf6–/+) 18.0–0 (18.Nf4!?=) 18...Qe6+= 19.Qe6 (19.Bf6 Qb3 20.ab3 Ra1 (worse is 20...gf6 21.Ra8 Ra8 22.Rd1=) 21.Ba1 d2–/+) 19...fe6–/+ 20.Bf6 gf6 21.Nf4 d2 22.Rfd1 Rc2 23.f3 e5 24.Nd5 Kf7 25.e4 (25.Kf2 Rca2 26.Ra2 Ra2–/+) 25...Rac8 26.Kf2 Be4 (26...Be4 27.fe4 Rc1–/+) 0–1. Schaar,Joerg (1970) – Denzin,Michael (2305), RSLE–2010, 2010.

7.Nf3 0–0 8.Be5+= Be5 9.Ne5 Re8 10.d4 c5 11.Be2 cd4 12.ed4 Nbd7= 13.Nd7 Bd7 14.0–0 Ne4 15.Bd3 Bf5 16.Be4+= Re4 17.Nc3+/– Rg4 18.Qf3 Qg5? 19.Rfe1 Rf4? 20.Qg3?? Rg4 21.Qf3 Rf4+– 22.Qg3?? Rg4 23.Qf3 ˝–˝. Bini,Gabriele – Singh,Marcel, Canarias en Red prel 4th blitz, 2004.

7.Nf3 e4!? 8.Nd4 0–0–/+ 9.Be2 c5 10.bc6 Nc6 11.Nb5 =+.

7.Nf3 e4 8.Ne5 –/+.

7.Nf3 Qe7 8.Qc2 0–0 9.Be2 c5 10.d3 e4 11.de4 Ne4 12.Nc3= Nc3 13.Bc3 Nd7 14.0–0 Rd8 15.Rfd1 Nf8 16.Rd2 b6 17.g3 Bc7 18.Rad1= Be6 19.Be5 f6 20.Bc7 Qc7 21.Nd4 Bf7 22.Nc6 Re8 23.Nb4! d4 24.ed4 Re2? 25.Re2+– Bh5 26.f3 Qf7 27.dc5 bc5 28.Qc5 Bf3 29.Re7 Rc8 30.Qe3 (30...Rc3 31.Qc3 (31.Rf7?! Re3 32.Rf8 Kf8+–) 31...Qe7 32.Qf3 Qc5 33.Kg2 Qb4 34.Qb3 Qb3 35.ab3+–; 30.Rf7?! Rc5 31.Rf8 Kf8 32.Rd8 Ke7+/–) 1–0. Whiteside,T – Harding,T (2250), corr BPCF, 1991.

7.h3 0–0 8.Nf3 e4 9.Nd4 –/+.

7.h3 c6 8.a4 h6 9.h4 c5 10.h5 b6 11.f3 0–0 12.Qc2 Nbd7 13.g4 e4 14.f4? Ng4–+ 15.Bh3? Ngf6 16.f5? Nh5 17.Kf2 Ng3 18.Rh2 Nf5! 19.Bf5 Bh2 20.Qc3 Qh4 21.Ke2 Qh5 22.Ke1 Be5 23.Bd7 Bc3 24.Bc3 Bd7 25.d4 Qh1 26.Kf2 Qh2 27.Kf1 Bh3 28.Ke1 Qg1 29.Ke2 Qf1 30.Kd2–+ Qf2 31.Kd1 Bg4 32.Kc1 Qe3 33.Kc2 cd4 34.Bb2 Qd3 35.Kc1 Qd1# 0–1. riverborne – TimtheEnchater, Caissa.com, 2004.

6.Nf3 Nd7–/+

7.e3 Ne7 8.Be2 e4 9.Nd4 Nb6 10.a4 0–0 11.a5 =.

7.e3 Ngf6 8.Nc3 b6 (8...0–0 9.Be2–/+) 9.Be2= 0–0 10.0–0 Bb7 11.Qc2 e4 12.Nd4 Ne5 13.f4 ef3 14.Nf3 Nfg4 15.Ne5 Ne5 16.Rac1 Qh4 17.Rf4 Qh6 18.g3 Ng6 19.Rf5 Qh3 (19...Ne5 20.Nd5 Bd5 21.Rh5+=) 20.Bf1 Qg4 21.Be2 Qh3 22.Bf1 Qh6 (22...Qg4 23.Bg2= (23.Nd5? Ra2 24.Bd3 Nh4–+)) 23.Nd5+= Rae8? (better is 23...Ra2!? 24.Bc4 Bd5 25.Rd5 Raa8+/–) 24.Bg2+– Re5?? (better is 24...Bd5 25.Rd5 Ne7+–) 25.Be5 Ne5 26.Re5! Be5 27.Ne7 Kh8 28.Bb7 Qd6 29.Nf5 Qe6 30.d4 Bf6 31.Qd3 g6 32.Rc6 (32.Rc6 Qd5 33.Qa3+–) 1–0. b4_player – mikrus, casual, 2013.

7.e3 Ngf6 8.Be2 0–0 9.0–0 c5 10.d3 b6 11.Nbd2 Bb7 12.a4 Re8 Black intends e4 13.Ne1 (13.e4 Qc7 (13...de4?! 14.de4 Qe7 15.Qc2=) 14.Qc2 c4 15.dc4 de4–/+) 13...Qc7 Black prepares the advance c4 14.g3 e4 15.d4 (15.de4!? Ne4 16.Ne4 de4 17.a5 Ra5 18.Ra5 ba5 19.f4–/+) 15...c4–+ 16.Ba3 Nf8 17.Ng2 Ng6 18.Qc2 Qd7 19.Bd6 Qd6 20.Qc3 Ra5 21.Qa3 Qd7 22.Qb4 Rd8 23.Nb1 h5 24.Nc3 Qh3 25.Nf4 Nf4 26.ef4 Qe6 27.Rae1 (better is 27.Nd1–/+) 27...Qh3 (27...h4 28.Nd1–+) 28.f3 (28.Ra1 Qd7 29.Nd1–/+) 28...Rd7 (28...Ra7 29.Qe7 Re8 30.Qd6–/+) 29.Rf2 Ra8 (29...h4 30.Bf1 Qf5 31.fe4 de4 32.Bc4 hg3 33.hg3–/+) 30.Bf1 Qe6 31.fe4 (31.fe4 de4 32.f5+= (32.Qc4?? Qc4 33.Bc4 Rc8–+)) 1–0. Pruvost,A – Soveaux,J (1830), La Fere FRA, 2012.

7.g3 Ngf6 8.Bg2 Qe7 9.a4 0–0 10.0–0=+ e4 11.Nd4 Nc5 12.d3 ed3 13.ed3 Bg4 14.Qc2 Qd7 15.Nd2 Bh3 16.a5 Bg2 17.Kg2 Qg4 18.N2f3 Nh5 19.Kh1= Nf6 20.Rfe1 Ne6 21.Re3 Nd4 22.Nd4 Qd7 23.Kg2 h5 24.Rf3 Be5 25.Nf5 Rfe8 26.Be5 Re5 27.a6 Ra7 28.Qa4 Re6+= 29.Qd4 c5 30.Qc5 ba6 31.Nd4 Rc7 32.Ne6 Rc5= 33.Nc5 Qb5 34.d4 Ne4 35.Ra6 Nc5 36.Ra8 Kh7 37.dc5 d4 38.Rd8 Qc5 39.h4 f6 40.Rf4+= Qc6 41.Kg1 Qc1 42.Kh2 Qc2 43.Rdd4 Kh6 44.Rc4 Qe2 45.Kg2 Qe5 46.Rfe4 Qd5 47.Rcd4 Qc6 48.Kh2 Qc2= 49.Kg2 Qc6 50.Rc4 (50.Kf1!?+=) ˝–˝. Fernandez Fornes,Juan A – Idema,Abram A, corr Lewkowitz–mem A, 1999.

5.Bb2 Nd7

6.a4 Ngf6 7.Qc2 Bd6 8.e3 0–0 9.a5 Re8 10.Ra2 Nb8 11.Be2 –/+.

6.Qc2 Ngf6 7.d4 Bb4 8.Bc3 Qe7 9.Nd2 ed4 10.Bb4 Qb4 11.Qc7 –/+.

6.Nc3 Ngf6 7.e3 Bd6 8.Nf3 0–0 9.Be2 Nb6 10.d3 Nbd7 11.0–0 =+.

6.d4 e4 7.Qb3 Ngf6 8.e3 Qe7 9.Bc3 Qd6 10.Ne2 Be7 11.a3 =+.

6.e3 c5 7.d3 d4 (7...Ngf6 8.Nf3–/+) 8.Nd2 Qa5 9.a4 c4 10.dc4 (10.ed4? c3 11.Nc4 Qb4–/+) 10...de3 11.fe3 Ngf6 12.Be2 Bb4 13.Qc2 0–0 (13...h6 14.Nh3 0–0 15.Nf2+=) 14.Ngf3 Ng4 (14...e4 15.Nd4 Nc5 16.Bc1+=) 15.Ng5= Ndf6 16.Bg4 Bg4 (16...Rd8!? 17.0–0–0 Bg4+=) 17.Be5+= h6 18.Ngf3 (18.Bf6 hg5 19.Bg5 f6+=) 18...Rfe8 19.Bf6 Re3 (worse is 19...gf6 20.Kf2 Qb6 21.Rhe1+=) 20.Kf2 Rae8 21.Rhe1?? (21.Nb3 Qc7 22.Bd4–+) 21...Bd2–+ (21...Bd2 22.Re3 Be3 23.Kf1 gf6–+) 0–1. marekt – grok_game, gameknot.com, 2015.

6.e3 Bd6 7.Be2 Ngf6 8.Nf3 Qe7 9.Nc3 0–0 10.d3 Rd8 11.Qc2 =+.

6.e3 Ngf6 7.Nf3 Bd6 8.Qc2 0–0 9.Be2 Re8 10.0–0 Nf8 11.d3 Bg4 12.h3 Bd7 13.a4 Qc8 14.Ba3 e4 15.Nh2 ed3 16.Bd3= Be5 17.Bb2 Bh3–/+ 18.Be5 Re5 19.gh3 Qh3 20.f3 Rg5 21.Kh1 Nh5 22.Rg1 Ng3 23.Rg3 Qg3 24.Nc3 Re8 25.f4 Rh5 26.Rg1 Qf3 27.Qg2 Re3 28.Be2?? Rh2!–+ 29.Kh2 Qf4 (30.Qg3 Qh6 31.Kg2 Rg3 32.Kg3 Qe3 33.Kh2 d4–+) 0–1. Whiteside – Botterill,G, Aberystwyth, 1985.

6.Nf3 Bd6 7.e3 Ne7 8.Qc2 0–0 9.Be2 c5 10.d3 d4–/+ 11.0–0 Nd5 12.e4 Nf4 13.Re1 Ra5 14.a4 Ne2 15.Re2 Nb6 16.Nbd2 Bg4 17.Ree1 Qf6 18.Ra2 Rfa8 19.Rea1 Be7 20.Ne1 Be6 21.Nb3 R5a7 22.a5 c4 23.dc4 Nc4 24.Nd3 Rc8 25.Qd1 Raa8 26.Bc1 Nd6 (27.f4 Nb5–/+) 0–1. Findlay,Michael (1875) – Ventimiglia,Chuck (1905), CB.2003.0.00089, 2003.

6.Nf3 Bd6 7.e3 Ne7 8.Be2 e4 9.Nd4 Nc5 10.0–0 0–0 11.Nc3 =+.

6.g3 Bd6 7.Nf3 Ne7 8.Bg2 e4 9.Nd4 Nc5 10.0–0 Na4 11.Bc3 =+.

5.Bb2 e4

6.a3 Nf6 7.d3 Bd6 8.de4 de4 9.e3 0–0 10.Nd2 Qe7 11.Qc2 =+.

6.Qb3 Nf6 7.Qg3 c5 8.Nh3 d4 9.e3 Bd6 10.Nf4 Nh5 11.Nh5 –+.

6.Qc2 Nd7 =+.

6.Qc2 Nf6 7.e3 Bb4 8.a3 Bd6 9.d3 Bf5 10.Nd2 Nbd7 11.de4 =+.

6.Nc3 Nf6 7.e3 Bb4 8.Qb3 Qd6 9.Nge2 Nbd7 10.Nd4 Nc5 11.Qc2 =+.

6.Nc3 Nf6–/+ 7.e3 Bd6 8.Nge2 c6 9.d3 ed3 10.Qd3 0–0 11.Ng3 Ba3 12.Ba3= Ra3 13.Qd2 c5 14.Rd1 d4=+ 15.Nb1 Ra4 16.Be2 Be6 17.a3 Re8 18.0–0 Bb3 19.Rc1 Nbd7 20.Bd1 de3 21.fe3 Bd1 22.Rfd1 b6 23.Rc3 Qc7 24.Rd3 Ne5=+ 25.Rd8 Ra8 26.Re8 Re8 27.e4 Qa7 28.Qc1 c4 29.Qb2 Nd3 30.Qd4=+ Qc7 31.Nc3 Qe5 32.Qe5 Ne5 33.Nf5= Kf8 34.Ne3 h5 35.Rd6 Rb8 36.Ned5 Nd5 37.Nd5 g6 38.a4+/– Rc8 39.Nc3 Rb8 40.Kf2 Ke7 41.Rb6! Rb6 42.Nd5 Kd6 43.Nb6 f5 44.Nd5 Kc5 45.Ke3 Ng4 46.Kf4 fe4 47.b6 e3 48.Ne3 Nf6 49.b7 Nd7 50.Nc4 Kc4 51.Kg5 Kb4 52.h4 Ka5 53.Kg6 Kb6 54.Kh5 Kb7 55.Kg6 Kc6 56.h5 (56...Ne5 57.Kg7+–) 1–0. Van Rooijen,Peter (1700) – Prestele,Anton (1850), RI.2003.0.00001, 2003.

6.d3 Nf6 7.e3 Bd6 8.Nc3 0–0 9.Qc2 Qe7 10.Nge2 ed3 11.Qd3 =+.

6.e3 Nf6 7.d3 Bd6 8.Nc3 0–0 9.de4 de4 10.Qc2 Qe7 11.Nge2 =+.

6.Be5 Nd7 7.Bg3 Ngf6 8.e3 Nc5 9.Nc3 Be7 10.a4 Bg4 11.f3 –/+.

4.cb5 Nf6

5.Bb2 e4 6.Qc2 d5 7.f3 Bf5 8.e3 Nbd7 9.Ne2 Nc5 10.Nd4 Bg6 11.f4 Qd7 12.Ba3 Nd3 13.Bd3 ed3 14.Qb2 Qg4 15.0–0 Be4 16.Nf3 Ba3 17.Na3 0–0 18.Nb1 c5 19.Nc3 Bf3 20.Rf3 Qd7 Black prepares d4 21.a4 Rfe8 22.a5 c4 23.Nd1 Ne4 24.Nf2 d4 25.Ne4 Re4 26.ed4 Re2 27.Rf2 Rae8 28.Raf1 Rf2 29.Rf2 h6 30.f5 Ra8 31.a6 ba6 32.ba6 Ra6 33.Rf1 Qa7 34.Qc3 Ra2 (34...Rd6 35.Rf4 Qa2 36.h3–/+) 35.Qc4+= Rd2 36.h3 Qb7 37.d5 Qb2 38.Qg4 h5 (38...h5 39.Qg5 f6–/+) 0–1. marekt (2130) – willitheblitzer (2145), gameknot.com, 2014.

5.Bb2 e4 6.e3 (6.Bf6 Qf6 7.Nc3 Qe6=+) 6...d5 7.d3 Bb4 (7...Bd6 8.Nd2=+) 8.Bc3 Bc3 (8...Qe7 9.Bb4 Qb4 10.Qd2=+) 9.Nc3 0–0 (9...Ra3 10.Rc1=+) 10.de4= Ne4 11.Nge2 (11.Ne4 de4 12.Qd8 Rd8=+) 11...Be6=+ 12.Ne4 de4 13.Qd8 Rd8 14.a4 Ra5 15.Nd4 (15.Nc3 f5=) 15...Bd5=+ 16.Ne2 (16.Kd2 Kf8=) 16...Bb3 (16...c6 17.Nc3=) 17.Nc3= f5 18.Be2 (18.Rb1 Be6= (18...Ba4? 19.Ra1+–)) 18...Nd7=+ 19.Ra3 (19.Bd1 Be6=+) 19...Be6 20.0–0 (20.f3 ef3 21.Bf3 Nc5=+) 20...Nc5 (20...Ne5 21.Rd1 Rd1 22.Nd1=+) 21.Rd1 Rd1 22.Bd1 Bd7 23.Kf1 c6 24.bc6 Bc6 25.Ra2 Kf7 26.Rb2 Nd3 27.Rd2 Kf6 28.h4 Rc5–/+ 29.Ne2 Rc4 30.Ra2 Ke5 31.Bb3 Rb4 32.Bc2 Bd5 33.Ra3 Rb2 34.Rc3 Nb4 35.Bd1 Na2 36.Rc5 b6 37.Rb5 Rb5–+ 38.ab5 Bc4 39.Ke1 Bb5 40.Nd4 Nc3 41.Bb3 Bd7 42.Kd2 Nd5 43.g3 g6 44.Bc2 Nf6 45.Bb3 Kd6 46.Kc3 Ng4 47.Bg8 Be8 48.Kd2 h5 49.Ke1 b5 50.Be6 Kc5 51.Bb3 Kb4 52.Bd5 Kc3 53.Ne2 Kb2 54.Nd4 b4 55.Bb3 Ne5 56.Kd2 Nf3 (57.Nf3 Kb3–+) 0–1. Plock,Joerg – Woelfelschneider,Peter, corr SOK–99–E005A, 1999.

5.Bb2 e4 6.e3 d5 7.Ne2 Bd6 8.Nbc3 0–0 9.Ng3 (9.d3 Be5+=) 9...Nbd7 (9...Re8 10.Be2+=) 10.Be2 (10.d3 Nc5+=) 10...Ne5 (10...Nc5 11.d3–/+) 11.d3 (11.0–0 Re8+=) 11...ed3 12.Bd3 Nd3 (12...Bg4 13.Qc2–/+) 13.Qd3 Re8 14.0–0 (14.Nd5? Nd5 15.0–0 Be6–+) 14...Be6 (14...Bg3 15.hg3 Be6 16.a4+=) 15.Nce2 (15.Nf5 Ng4 16.Nd6 Qd6+=) 15...Ng4 16.Nf4 (16.h3!? Ne5 17.Qd4+=) 16...Qh4–/+ 17.Nh3 Ne5 18.Qc3 (18.Qd4 Qd4 19.Bd4 Ra5–/+) 18...f6 (18...Bh3 19.gh3 f6 20.Qc2–+) 19.Nf4 Ng4 (19...Nc4 20.Ne6 Re6 21.Qc2–/+) 20.Nh3 Be5 (20...Nh6 21.Rfd1 Nf7 22.Nf4 Bf4 23.Rd4 Bg3 24.Rh4 Bh4 25.Qc7–/+) 21.Qc1 Re7 22.Bd4 b6 (22...Bg3 23.hg3 Qh5 24.Qc5+=) 23.a4 Bd7 (23...Bg3 24.hg3 Qh5 25.Rd1+=) 24.Qd2 (24.Be5 fe5 25.Qc7 Nh2 26.Kh2 Bh3 27.Qb6 Re6+/–) 24...Nh6 (24...Bg3!? 25.hg3 Qh5=) 25.Be5+= Bh3?? (better is 25...Re5 26.f4 Ree8+/–) 26.Qd5+– Kf8 27.Qa8 Re8 28.Bf6 gf6 29.Qc6 Be6 30.Qe4 Qg5 31.Qh7 Re7 32.Qc2 Ng4 33.Qc3 Qh4 34.h3 Ne5 35.e4 Rh7 36.Nf5 Qe4 37.Ng3 Qh4 38.f4 Nd7 39.f5 Bc4 40.Rfd1 Ne5 41.Re1 Rg7 42.Re3 Rd7 43.Re4 Qg5 44.Re3 Bd3?? 45.Rae1+– Bf5 46.Nf5 Qf5 47.Rf1 Qg5 48.Qe5 Qe5 49.Re5 Kg7 50.Re4 Rd6 51.Rc1 f5 52.Rec4 Kf6 53.Rc7 Ke5 54.R7c6 Rd4 55.R1c4 Rd1 56.Kh2 Kd5 57.Rh4 Ke5 58.Rb6 f4 59.a5 (59.a5 Ra1 60.Rh5 Ke4 61.Re6 Kd4 62.b6+–) 1–0. Kleist,Werner (1665) – Grams,Arthur (1770), 17sen.Bad Sooden op Hessen, 2005.

5.Bb2 Bc5

6.Nc3 d6 7.Nf3 0–0 8.e3 h6 9.Be2 Bf5 10.d4 ed4 11.Nd4 Bg6 12.0–0 Nbd7 13.a4 d5 14.a5 Qe7 15.a6 ba6 16.ba6 Qd6 17.Na4 Bb4 18.Nb5 Qc6 19.Qb3 Bc5? (better is 19...Bd2+=) 20.Bf6+– (20.Nc5 Nc5 21.Qc3 Rfb8+–) 20...Nf6 21.Rac1 (21.Nc5?! Qc5 22.Rfc1 Qb6+/–) 21...Nd7 22.Nc5 Nc5 23.Qb4 Qb6 24.Qc5 (24.Rc5?! c6 25.Qd4 cb5 26.Bb5 Be4+–) 24...Ra6 25.Nc7 (25.Qd5?! c6 26.Qd7 cb5 27.Bb5 Ra2+/–) 25...Qc5 26.Rc5 Ra2 27.Bb5 Rc8 28.Bd7 Rf8 29.Nd5 Rd2 30.Ne7 Kh7 31.Rd5 Ra2 32.Ng6 fg6 33.e4 Rb8 34.e5 Rbb2 35.g3 Kg8 36.Be6 Kh7 37.Rd8 Ra7 38.Bg8 Kh8 39.Rc1 Re7 40.Bf7 Kh7 41.Rcc8 Rb1 42.Kg2 Re8 43.Re8 Rg1 44.Kg1 g5 45.Rh8# 1–0. usingprogram (2000) – prochess23 (2105), kurnik, 2011.

6.e3 Qe7 7.Nf3 d6 8.Be2 0–0 9.d4 ed4 10.Nd4 Bb4 11.Bc3 d5 12.0–0 Ne4 (12...Bd6 13.Nd2=) 13.Bb2 (13.Bb4 Qb4 14.Qc2 Qe7+=) 13...Re8 (13...Be6 14.Qc2=) 14.a3 (14.Nc2 Qc5+=) 14...Ba5 15.Bd3 c5 16.Nb3 Bb6 17.Be4 (17.N1d2 f5=) 17...de4=+ 18.N1d2 Be6 (18...Qg5 19.Kh1=+) 19.Qc2= f5 20.Nc4 Bc4 21.Qc4 Qf7 22.Nd2 Nd7 23.Qf7 Kf7 24.Nc4 Bc7 25.Rfd1 Rad8 26.Kf1 Nb6 (< 26...Bh2 27.g3 Re7 28.Nd6 Ke6 29.Kg2 Bg3 30.fg3+/–) 27.Nb6 Bb6 28.Ke2 g6 29.a4 Ba5 30.Rac1 b6 31.f3 ef3 32.gf3 Ke6 33.Rd8 Rd8 34.Rd1 Rd1 35.Kd1 g5 36.Ke2 h5 37.h3 (37.e4 c4=+) 37...Bb4 (37...c4 38.e4 fe4 39.fe4–/+) 38.Kd3 (38.e4!?=) 38...g4–/+ 39.fg4 fg4 40.hg4 c4 41.Ke4 c3 42.Bc1 h4 43.Kf3=+ Ke5 44.e4 c2 45.g5 h3 46.g6 Bf8 47.a5 ba5 48.b6 Kf6?? 49.e5!+– Kg6 50.b7 Bh6 51.b8Q Bc1 52.Qc7 (52...Bh6 53.Qc2 Kg5 54.Qe4+–) 1–0. Boysan,Ferit – Ganbold,Odondoo (2405), Internet Section, 2004.

6.Be5 Bf2 7.Kf2 Ng4 8.Kg3 Ne5 –/+.

6.Nf3 d6 =+.

6.e3 d6

7.Nc3 0–0 8.Nge2 =+.

7.Nc3 d5 8.Nf3 e4 9.Nd4 0–0 10.Be2 Bd4 11.ed4 c5 (11...Qe7 12.d3=+) 12.bc6 (12.dc5!? d4 13.Nb1=) 12...Nc6=+ 13.Nb5 Bf5 14.a4 Re8 15.0–0 Re6. ilmarinens (2765) – pcmvr (2815), net–chess.com, 2006.

7.Nc3 Be6 8.Nf3 Nbd7 9.Be2 0–0 10.0–0 Ba3 11.Ba3 Ra3 12.Qc2 Re8 (12...Qa8 13.Ng5 Bb3 14.Qc1=) 13.Ng5= Nc5 (13...d5 14.f4 d4 15.fe5 Ne5 16.Rf6 Qf6 17.Qh7 Kf8 18.Ne6 Qe6 19.ed4=) 14.d4 ed4 (14...Ncd7 15.d5 Rc3 16.Qc3 Nd5 17.Qc2 Qg5 18.Bf3–+) 15.ed4 h6 (15...Ncd7 16.Ne6 Re6 17.Bf3=) 16.Qb2 (16.dc5 hg5 17.b6 A) < 17...dc5 18.Nb5 Ra5 19.Nc7+/– (19.bc7?! Qe7+=); B) 17...Bd7 18.cd6 cd6=) 16...Ra8 (16...Qa8 17.dc5 hg5 18.b6 dc5 19.bc7+/–) 17.Nf7.

7.d4 ed4 8.ed4 Bb4 9.Bc3 Bc3 10.Nc3 0–0 (10...Qe7 11.Qe2=+) 11.Bd3 b6 (11...Nbd7 12.Nge2=) 12.Qf3 (12.Nge2 Re8=) 12...Ra3 (12...Re8 13.Nge2 Ra3 14.Rc1=+) 13.Nge2 Re8 14.Rc1 Bg4 15.Qf4 Nbd7 16.Qd2 Be2 17.Be2 (17.Ne2 Qa8 18.0–0 Ra2=+).

7.Ne2 Be6 =+.

3.c4 Bc5

4.Bb2 d6 5.a4 (5.Nf3 ab5 6.cb5 Be6=+) 5...Bd7 (5...Nf6 6.e3–/+) 6.Nc3 (6.Nf3=+) 6...c6 (6...Nf6 7.e3–/+) 7.e3 (7.Ne4 f6 8.Nc5 dc5 9.ba6 Na6=) 7...cb5 (7...ab5 8.ab5 Ra1 9.Ba1=) 8.ab5= Be6 (8...Nf6 9.d4 ed4 10.ed4 Qe7 11.Be2=) 9.h4 (9.d4 ed4 10.ed4 Bb4=) 9...Nd7 (9...Nf6 10.d4 ed4 11.ed4=) 10.ba6 (10.d4 Bb4=) 10...ba6 (10...Ra6 11.d4 Qb6 12.Ra6 (< 12.dc5 Qb2 13.Rc1 Nc5–/+) 12...ba6 13.Qd2=+) 11.g4 (11.d4 Qb6 12.dc5 Qb2–/+) 11...f6 (11...Rb8 12.Na4=+) 12.Ne4 Ne7 (12...Qb6 13.Nc5 Nc5 14.Ba3=+) 13.g5 (13.Nc5 Nc5 14.d4 ed4 15.ed4 Ne4+=) 13...fg5 (13...Rb8 14.Bc3 Bf5 15.Ng3=) 14.Ng5 (14.hg5 0–0=) 14...Bf5 15.e4 (15.Bh3 Bh3 16.Rh3 Qb8=) 15...Bg6 (better is 15...Qb6 16.ef5 Bf2 (16...Qb2?! 17.Ne6=) 17.Ke2 Nf5–+ (17...Qb2 18.Kf2 0–0 19.Ne6+/–; 17...Bg1?! 18.Bh3–/+)) 16.h5= Bf7 17.Qf3 (17.h6 Qb6 18.hg7 Bf2 19.Ke2 Bc4 20.Kf3=) 17...Nf6 (17...0–0!? 18.Qg3 Qb6–/+) 18.Nf7 (18.h6!? 0–0 19.hg7 Kg7 20.Nf7 Rf7 21.Nh3+/–) 18...Kf7= 19.h6 g6 (19...Qb6 20.Rb1 Bd4 21.hg7 Kg7 22.Qg3 Ng6–+) 20.Bc1 (20.Nh3 Nc6+=) 20...Re8 (20...Rf8 21.Bb2=+) 21.d3= Neg8 22.Bg5 Re7 23.Bh3 Bd4 24.Ra2 Qb6 25.Kf1?? Qb1–+ 26.Kg2 Qa2 27.Ne2 Qb2 28.Ng3 Rae8 29.Bg4 Qb7 30.Bh5 gh5 31.Nh5 Re6 32.Ng7 R6e7 33.Nf5?? Qd7 34.Ng7 Qg4 35.Qg4 Ng4 36.Be7 Re7 37.Nf5 Nf2 38.Rf1 Rd7 39.Rf2?? Bf2 40.Kf2 a5 41.Ke2 a4 42.Kd2 a3 43.Kc2 Rb7 44.Nd6+= Ke6 45.Nb7 Nh6 46.Kb3 Kd7 47.Ka3 Kc6 48.Nd8 Kc5 49.Ne6+/– Kd6 50.Ng7 Kc5 51.Ne6 Kd6 52.Ng5 Kc5 53.Nh7 Kd4 54.Nf6+– Kd3 55.c5 Nf7 56.Ne8 Nd8 57.Nf6?? Kd4?? 58.Kb4+– Kd3 59.Kb5 Kd4 60.c6 Nc6 61.Kc6 Ke3 62.Kd6 Kf4 63.Ke6 (63...Kg5 64.Ke5+–) 1–0. riverborne – klopfer, Live Game Caissa's Web, 2005.

4.Nc3 Nf6 5.e3 d6 (5...0–0 6.Nge2–/+) 6.Nf3 Bg4 7.h3 Bf3 (7...Bh5 8.g4 Bg6 9.d4+=) 8.Qf3= Ra7 9.Bb2 0–0 10.a4 a5 (10...ab5 11.ab5 Ra1 12.Ba1=) 11.g4 (11.Be2 Re8+=) 11...b6 (11...Bb4 12.Qf5=) 12.g5 e4? (better is 12...Nfd7=) 13.Qf5+– Nh5 (13...Nfd7!?+–) 14.Be2 g6 15.Qd5 Nd7 16.Bh5 Bb4 (16...gh5 17.Rg1 Ne5 18.Qe4+–) 17.Ne4 (better is 17.Bg4 Bc3 18.Bc3+– (18.dc3?! Nc5 19.0–0 Qe7+–)) 17...Ne5 (17...gh5 18.Qf5 d5 19.Qd5 Qa8+–) 18.Nf6 Kg7 19.Be2 Qd7 (19...c6 20.bc6 Re7+–) 20.Nd7 Re8 21.Be5 (better is 21.f4 Re6+–) 21...de5 22.Ne5 Raa8 23.Qf7 Kh8 24.Qf6 Kg8 25.c5! Rf8 (25...Bc5 26.Bc4 Mate attack; 25...bc5 26.Bc4 Mate attack) 26.Bc4 (26.Bc4 Rf7 27.Qf7 Kh8 28.Qf6) 1–0. Pilz,Erhard (2240) – Witt,Monika (1605), remoteschach.de, 2006.

4.e3 ab5 5.Qh5 d6 6.cb5 –/+.

4.e3 Qe7 5.Bb2 Nf6 6.a4 0–0 7.Nf3 d6 8.Be2 Re8 9.Qc2 c6 10.0–0 Bg4 11.d3 ab5 12.cb5 cb5 13.ab5 Ra1 14.Ba1 Rc8 15.Qa4 Nbd7 16.Nbd2 Nb6 17.Qb3 Be6 18.Nc4 Ra8 19.Qc2 Nfd5 20.Rb1 Nc4 21.dc4 Nb4 22.Qd1 Bf5 23.Rb2 Qc7 24.Rd2 Qa5 25.Bc3 Qa3 26.Bb2 Qa4 27.Qa4 Ra4 28.Bd1 Ra8 29.Ne1 Bb1 30.Bb3 Ba2 31.Ba2 Ra2 32.Kf1 Ra4 33.Ke2 Kf8 34.e4 Ke7 35.Nd3 Nd3 36.Kd3 Bb4 37.Rc2 Kd7 38.f4 f6 39.fe5 de5 40.c5 Ba5 41.Rc4 Ra2 42.Kc2 Be1 43.c6 bc6 44.Kb3 Ra5 45.bc6+= Kc7 46.Ba3 Ra8 47.Bc5 Ba5 48.Ba3 h5 49.h3 h4 50.Bc5 Rb8 51.Ka4 Bb6 52.Bb4 Re8 53.Kb5 Re6 54.Be1+/– Rd6 ˝–˝. Imhof,A – Schneider,T, Lienz op, 1988.

4.Nf3 ab5 5.cb5 d6 =+.

4.Nf3 d6 =+.

3.c4 Nf6

4.Nc3 Bb4 5.Bb2 d6 6.e3 Bd7 7.a3 Bc5 8.Nf3 h6 (8...0–0 9.d4 ed4 10.Nd4=) 9.Be2 (9.d4 ed4 10.ed4 Bb6+=) 9...0–0 (9...e4 10.Nd4=) 10.d4 ed4 11.ed4 Ba7 12.0–0 Bb6 13.a4 c6 14.Re1 cb5 15.ab5 Re8 16.Qc2 Qc8 17.Nd5?? (better is 17.Qb3 Qc7 18.Bd3+/–) 17...Nd5–+ 18.Bd3 Re1 19.Re1 Nf6 (19...Nb4 20.Bh7 Kh8 21.Qb3 ab5 22.cb5 Kh7 23.Rc1–+) 20.c5 (20.ba6 ba6 21.d5 Ng4–+) 20...Ba5 21.Re7 (21.Ra1 Bb4–+) 21...Bb5 (21...Nd5 22.Bh7 Kf8 23.Re4–+) 22.Bf5 (22.Bb5 Kf8 23.Qe2 ab5 24.cd6 Nc6–+) 22...Bd7 23.Bd7 Nbd7 24.Qf5 Bb4 25.Re2 dc5 26.dc5 Bc5 27.Rc2 b6 28.Qd3 a5 29.Bf6 Nf6 30.g3 Qe8 31.Re2 Qd7 32.Qc2 Re8 33.Rd2 Qb7 34.Qf5 Qe7 35.Kg2 a4 36.h4 a3 37.g4 Qe4 38.Qe4 Ne4 (38...Ne4 39.Re2 Kf8–+) 0–1. dusterstar (1605) – dpwarren, gameknot.com, 2011.

4.Nc3 Bc5 5.Qc2 c6 (5...ab5!? 6.cb5 d5–/+) 6.Nf3= d6 7.e3 (7.Na4 Ba7 8.b6 Bb6 9.Nb6 Qb6+=) 7...0–0+= 8.Bb2 Qe7 9.Na4 Bb4 (9...e4!? 10.Nc5 dc5+=) 10.Nb6+= Ra7 11.bc6 Nc6 12.Nd5 Nd5 (12...Qe6 13.a3 Ba5 14.Bd3+=) 13.cd5+= Na5?? (better is 13...e4+=) 14.Qa4+– Bd2 (14...Bc5 15.Qa5 Bf5 16.Qc3+–) 15.Nd2 b6 16.Qb4 Nb7 (16...Rd8 17.Ba3 Rc7 18.Qb6+–) 17.Qb6 Nc5 18.Ba3 Rb7 (18...Rd8 19.Rc1 Rc7 20.e4+–) 19.Qa5 Qf6 (19...Rc7 20.Rc1 Bf5 21.Nb3+–) 20.Bc5 dc5 21.Qc5 Rd8 (21...Bd7 22.Rc1 Rb2 23.Qa5+–) 22.e4 (22.Qa5 Rb2+–) 22...Bg4 23.Qa5 Rdb8 24.Qa6 Rb6 (24...Qf4 25.Qd3 Bd7 26.Qg3+–) 25.Qa5 Qf4 26.Bd3 Rb2 27.Qc3 h6 28.Bc2 R2b6 29.h3 Bd7 30.g3 Qf6 31.Qa3 Qg5 32.Bd1 Rb2 33.Qc3 R2b4 34.Bc2 Ba4 35.a3 Bd7 36.ab4 Bb5 37.Qc7 Rf8 38.Ra5 Be8 39.Ra8 Qf6 40.Qc5 Qg6 41.Ba4 f6 42.Bd7 1–0. psychobishop – derekclarke, gameknot.com, 2011.

3.e3 a5

4.a4 Bc5 5.Bb2 d6 6.d4 ed4 7.ed4 Qe7 8.Be2+= Bb4? 9.Nd2?? d2 10.Qd2 Nf6 11.Ba3 0–0=+ 12.Nf3 c6 13.0–0+= h6 14.Rfe1 Ne4 15.Qc1 Nc3 16.Bc4 Qf6 17.Bb2 Nd5 18.Bd5 cd5 19.Ba3 Nd7 20.c4 Nb6 21.c5 dc5? 22.Bc5+– Rd8?? 23.Bb6 Qb6+/– 24.h3 Qf6 25.Qc2 Bf5 26.Qc7 b6 27.Rac1 Rac8= 28.Qe5 Rc1 29.Rc1 Qe5 30.Ne5 Re8 31.Nf3 Re2 32.Rd1?? Ra2–/+ 33.Rc1 Ra4 34.Rc6 Ra1 35.Kh2=+ Rf1 36.Kg3= a4 37.Rb6 Bd3 38.Nd2 Rd1=+ 39.Nf3 a3 40.Rb8 Kh7 41.b6 a2 42.b7 a1Q 43.Ra8 Rb1 44.Ra1 Rb7 45.Ne5 Bg6 46.Ra5+/– f6 47.Nc6 Rb3 48.Kh2 Rc3 49.Nb4 Rc4 50.Nd5 Rd4 51.Kg3 h5 52.h4 Be4 53.Ne3 Bb7 54.Rh5+/– Kg6 55.Rb5 Bc8 56.Rb6 Kh7 57.Nc2 Rg4+= 58.Kf3 ˝–˝. Steingraeber,Barbara – VHopffgarten,Clemens (Von Hopffgarten???), remoteschach.de, 2002.

4.a4 d5 5.Nf3 Bd6 6.d4 =+.

4.ba5 Ba3 5.Na3 Ra5 6.Nb5 Bd7 7.Nc3 Ne7 8.d4 e4 9.Qh5 c6 10.Rb1 b6 11.Nge2 Bf5 12.g3 Nd7 13.Bg2 h6 14.Nf4 g5 15.Nh3 Nf6 16.Qd1 Bg4 17.Qc1 Qc7 18.Qb2 b5 19.Ng1 Bh5 20.a4 0–0 21.ab5 cb5 22.Nb5 Qd7 23.Nc3 Nc6 24.Qc1 Rfa8 25.Nge2 Bf3 26.0–0 h5 27.Qd2 R5a6 28.Nc1 Bg2 29.Kg2 Na5 30.Nb3 Nc4 31.Qe1 Qf5 32.Nd2 Na3 33.Rc1 Rc6 34.Nb3 Qf3 35.Kg1 h4 36.Nd2 Qf5 37.Ndb1 Nc4 38.Nd1 Ng4 39.Nbc3 Rh6 40.f4 hg3 41.Qg3 Nh2 42.Rf2 Nf3 43.Rf3 ef3 44.Qf3 Rd8 45.Ne2 Re8 46.Ng3 Qh3 47.Qg2 gf4 48.Qh3 Rh3 49.Ne2 fe3 50.Ndc3 Rh5 51.Nf4 Rg5 52.Kf1 Rf5 53.Ncd5 Nb6 54.Nb6 Rf4 55.Ke2 Rd4 56.c4 Rd2 57.Kf3 Rf2 58.Kg3 Re5 59.Nd5 Rg5 60.Kh4 Rg7 61.Kh3 e2 62.Re1 0–1. Green Light Chess v2.13 – Amyan143, computer chess game, 2001.

4.Bb2 e4 =.

3.e3 ab5

4.Bb2 d6 5.Bb5 c6 6.Be2 Nf6 7.d4 Nbd7 8.Nf3 Qc7 9.c4 Be7 10.Nc3 0–0 11.0–0 e4 12.Nd2 d5 13.Qc2 Re8 14.cd5 cd5 15.Rfc1 Bd6 16.h3 Nf8? (better is 16...Qb6!?=) 17.Nce4+/– Qe7 18.Nd6 Qd6 19.a4 Bd7 20.a5 Rec8 21.Qb3 Bc6 22.a6 ba6 23.Ra6 Ra6 24.Ba6 Rb8 25.Ba3 Rb3 26.Bd6 Rb6 27.Bd3 Bd7 28.Be5 h6 29.Nb1 Ne4 30.f3 Ng5 31.Nc3 Be6 32.Na4 Rb7 33.Rc7 Rc7 34.Bc7 Nd7 35.Kf2 Nh7 36.e4 Nhf6 37.Nc3 Kf8 38.e5 Ne8 39.Ba5 f6 40.Bg6 fe5 (40...Ke7 41.f4 fe5 42.fe5 Nb8+–) 41.Bb4 Kg8 42.Be8 ed4 43.Nd5! 1–0. blingor (1615) – grandma (1620), gameknot.com, 2011.

4.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 a6 4.e4 ab5).

4.Bb5 c6 5.Be2 d5 6.c4 Nf6 7.Bb2 dc4 8.Be5 Nbd7 9.Bd4 b5 10.Nf3 Nc5 11.Nc3 Bd6 12.Qc2 Qe7 13.0–0 0–0 14.a4 b4 15.Bc5 Bc5 16.Nd1 b3 17.Qc1 Bg4 18.Qc4 1–0. Mai,Wolfgang (2025) – Dirim,Omer (1960), ICCF, 2012.

4.Bb5 Nf6 5.a4 Bc5 6.h3 c6 7.Bc4 d5 8.Bb3 Bf5 9.Qf3 Be4 10.Qg3 Nbd7 11.Qg7 Rg8 12.Qh6 Rg6 13.Qh4 Bg2 14.Rh2 Qc7 15.Ra2 e4 16.f4 ef3 17.Rg2 fg2 18.Ra1 Qh2 19.Kf2 Ne4 20.Kf3 Qg1 21.Bd5 Qf1 22.Qf2 Qf2 23.Ke4 Qh4 24.Kd3 Ne5 25.Ke2 Qh5 26.Bf3 Qf3 27.Ke1 g1Q# 0–1. Chad's Chess V015 – LarsenVB00407, Computer chess game, 2001.

4.Bb5 Nf6 5.Nf3 e4 6.Nd4 c6 7.Be2 d5 8.Bb2 Bd6 9.c4 dc4 10.Bc4 (10.a4 Nbd7 11.Na3 Ba3 12.Ba3 Ne5+=) 10...0–0 11.Qc2 Na6 12.a3 Nc5 13.Nc3 Be5 14.Nce2 (better is 14.0–0!?–/+) 14...Nd3!–+ 15.Bd3 ed3 16.Qc5?? (better is 16.Qd3 c5 17.f4–+) 16...Ra5 (16...Ra5 17.Qc4 de2–+; 16...de2?! 17.Qe5 Re8 18.Qg3–/+) 0–1. purplegadge (1785) – uberlebende (1925), gameknot.com, 2014.

4.Bb5 c6

5.Bc4 b5 6.Bb3 c5?? 7.d3?? Nf6 8.Nf3 e4 9.de4 c4 10.e5 Ne4 11.Qd4? Bb7 12.Bc4 bc4 13.Qc4 Qa5 14.Bd2 Nd2 15.Nbd2 Ba6 16.Qg4 Nc6 17.c4 Ne5?? 18.Ne5?? Qe5–/+ 19.0–0 Bb4 20.f4?? Qe3–+ 21.Kh1 Bd2 22.Qg7 Rf8 23.Qf6 Bc4 24.Rfd1 Bc3 25.Rac1 Bf6 26.Re1 Qe1 27.Re1 Kd8 28.Rc1 Bd5 (29.Rc2 Re8–+) 0–1. GorillaTest – rumrunner, Live Game Caissa's Web, 2004.

5.Bc4 b5 6.Bb3 d5 7.Bb2 c5 8.a4 –/+.

5.Bc4 b5 6.Bb3 d5 7.e4 Nf6 8.h3? d4 9.Nf3 Nbd7?? 10.Ng5+/– h6?? 11.Nf7+– Qb6 12.Nh8 c5 13.Ng6 c4 14.Nf8 Nf8 15.Qf3 cb3 16.Qb3 Be6 17.Qb4 Ne4 18.d3 Ra4 19.Qb2 g5?? 20.de4+– Qc6 21.c4 Qe4 22.Kf1 Bc4 23.Kg1 Qe1 24.Kh2 Qe4 25.Nd2 Qf5 26.Nc4 Rc4 27.Qb5 Nd7 28.Qc4 Qf2 29.Qc8 Ke7 30.Ba3 Ke6 31.Qe8 Kd5 32.Qd7 Kc4 33.Rac1 Kd3 34.Qb5 Ke3 35.Qe5 Kd3 36.Rhd1 (36...Qd2 37.Qf5 Ke3 38.Qf3#) 1–0. solidsteel – YoungTurk2, Live Game Caissa's Web, 2005.

5.Bc4 d5 6.Bd3 e4 7.Be2 f5 8.Bh5 g6 9.Bb2 Nf6 10.Be2 Bg7 11.Nh3 0–0 12.f4 b5 13.Ba3 Re8 14.g4?? Ng4–+ 15.Ng5 Ba1 16.Nh7 Qh4 (17.Kf1 Qf2) 0–1. kingsteel – dapats, Live Game Caissa's Web, 2004.

5.Be2 d5

6.Bb2 Bd6 7.f4. Myers.

6.c4 Nf6 7.Bb2 dc4 8.Be5 Nbd7 9.Bd4 b5 10.Nf3 Nc5 11.Nc3 Bd6 12.Qc2 Qe7 13.0–0 0–0 14.a4 b4 15.Bc5 Bc5 16.Nd1 b3 17.Qc1 Bg4 18.Qc4 1–0. Mai,Wolfgang (2025) – Dirim,Omer (1960), AA/C15/pr/A ICCF, 2012.

6.Nf3 Bd6 7.0–0 Ne7 (7...Nf6 8.c4–/+) 8.c4= 0–0 9.Nc3 Ng6 (better is 9...Be6!?+=) 10.cd5 f5 (10...cd5 11.Nd5 e4=) 11.Qb3+/– Kh8 12.a4 (12.d4 Nd7+/–) 12...e4 (12...Na6 13.Ba3+/–) 13.Nd4 Ne5 14.Ba3 c5 (14...Ba3 15.Ra3 cd5 16.Nd5 Nbc6+/–) 15.Ndb5?? (better is 15.Ncb5+–) 15...Nf3+= 16.Bf3 Bh2 17.Kh2 Qh4 18.Kg1 ef3 19.Ne2! (19.Bc5?? Qg4 20.g3 Qh3 21.Bf8 Qg2) 19...fe2 20.Rfc1 f4 21.Bc5 f3= 22.Nd4 fg2 23.f4 Qh1 24.Kf2 Qh2 25.Rg1+/– Rf6? 26.Nf3+– Qh3 27.Rg2 Bg4 28.Rg3 Qh5 29.Qb7 Rf4 30.ef4 (30.ef4 h6 31.Qa8 Bf3 32.Qb8 Kh7 33.Rag1 e1Q 34.Ke1 g5 35.Bd4 Qe8 36.Qe8 Bd5 37.f5 g4 38.Qg6#; 30.Qa8 Qh2 31.Rg2 Rf3 32.Ke2 Rg3 (32...Qg2?! 33.Kd3 Qh2 34.Kc4+=) 33.Kd3 Rg2–+) 1–0. pierre – pzug, internet, 2010.

6.Nf3 Bd6 7.Bb2 Nd7 8.Nc3 Ngf6 9.0–0 0–0 10.a4 c5 11.Nb5= Bb8 12.d3 b6 13.h3 Bb7 14.Nd2 Bc6 15.c4 d4 16.Bf3+= Bf3 17.Qf3 Bc7 18.Qb7+/– Ne8 19.Rfe1 Nd6?? 20.Qc7+– (20...Qc7 21.Nc7+–) 1–0. gtate (2475) – littlepawn (2245), net–chess.com, 2007.

6.Nf3 e4 7.Nd4 Bd6 8.a4 Nd7 9.Nc3 Ne7 10.Ba3 (10.d3 ed3 11.Bd3 b5+=) 10...Ba3–/+ 11.Ra3 b5! 12.Na2 (12.ab5 Ra3 Pinning (12...Ra3 Deflection)) 12...b4–+ 13.Nb4 c5 14.Nbc6 Nc6 15.Nc6 Qc7 16.Bb5 Bb7 17.Nd4 cd4 18.Qg4 de3 19.fe3 g6 20.Rc3 Qd6 21.Rf1 (21.0–0 f5 22.Qg3 Qg3 23.hg3 Kd8–+) 21...f5 22.Qg3 (22.Qf4 Ke7 23.Rc7 Bc8–+) 22...Ke7 23.Rc7 Qg3 24.hg3 Bc8 25.Ke2 Rd8 26.Rc1 (26.Rh1 h5–+) 26...Ba6 27.c4 (27.g4 fg4 28.c4 Bb5 29.ab5 Rdc8 30.cd5 Rc7 31.Rc7 Kd6 32.Rc6 Kd5–+) 27...Bb5 28.cb5? (28.ab5 Rac8 29.Rc8 Rc8 30.Rh1–+) 28...Ra4 29.R1c5 (29.Rh1 Rh8–+) 29...d4 30.ed4 Rd4 31.g4 (31.b6 Ke6 32.Rb5 Kd6–+) 31...fg4 32.b6 Ke6 33.R5c6 Rd6 (33...Rd6 34.b7 Rb8–+) 0–1. Marr3 – Kill bill 5 (2480), Rated game, 3m + 0s, 2010.

6.Nf3 e4 7.Nd4 Qg5 8.g3 Bh3 9.a4 Nd7 10.Nc3 Ne5 11.Bf1 Bg4 12.Be2 Bh3 13.Bf1 ˝–˝. Zhdanenia,Konstantin A (1870) – Rakus,Klaus (1645), SD–2011–0–00123, 2011.

3.e3 d5

(--> 1.b4 e5 2.b5 d5 3.e3 a6).

3.e4 ab5

4.cb5 c6 5.e3 cb5 (5...d5 6.d4 e4 7.bc6 Nc6 8.Nd2=+) 6.Bb5 Nf6 7.Nf3 Nc6 8.Bc6 (8...dc6 9.Ne5=) =. MasterofDisaster – TheLoser1, Live Game Caissa's Web, 2004.

4.cb5 d5 5.Nf3 Bd6 6.Nc3 –/+.

4.Bb5 Ra5 5.Qe2 Bc5 6.a4 c6=+ 7.Bc4 d6 8.Qf3 Nf6–/+ 9.d3 Bg4 10.Qg3=+ 0–0 11.Bg5? Nbd7 12.h3=+ Bh5 13.Nd2 h6?? 14.Bh6+/– Bg6?? 15.Ngf3 gh6?? 16.Nh4?? Kh7–+ 17.Nf5 Nh5 18.Qg4 Qg5 19.Ne7?? Qe7 20.h4 Qf6 21.0–0 Nb6 22.Kh2 Bd4 23.Rab1 Nc4 24.Nc4 Ra4 25.Rb7 Ra1 26.Nd2 Rf1 27.Nf1 Qf2 28.Ng3 Ng3 29.Qg3 Rg8 30.Rf7 Bf7 31.Qf2 Bf2 32.c4 Rg2 33.Kg2–+ Bh4 34.Kf3 h5 35.Kg2 Bf6 36.Kh3 h4 37.Kg4 Be6 38.Kh5 h3 (39.d4 h2 40.de5 h1Q#) 0–1. solidsteelpole – MMA, Live Game Caissa's Web, 2006.

4.Bb5 c5 5.Nf3 Nc6 6.Nc3 d6 7.d3 Bg4 8.h3 Bf3 9.Qf3 Nge7 (9...Nf6 10.Bg5+=) 10.Bg5 (10.Rb1 Ra7+/–) 10...f6 11.Bh4 (11.Bd2 Ra5+/–) 11...Kf7?? (11...Qa5 12.Kd2 Kf7–/+) 12.Bc4+– Ke8 13.Nd5 Nd5= 14.Bd5 g5? 15.Bg5!+– fg5 16.Qf7# 1–0. Recruiter – rotweiller2, Live Game Caissa's Web, 2004.

4.Bb5 Nf6 5.d3 c6 6.Bc4 d5 7.ed5 cd5 8.Bb3 d4 9.Nf3=+ Bg4 10.0–0 Bb4 11.Bf7+= Kf7 12.Ne5+– Kg8 13.Ng4 Ng4 14.Qg4 Bc3? 15.Qe6 Kf8 16.Nc3 dc3 17.Bf4 Qe7 18.Qc8 (18...Kf7 19.Qh8+–; 18.Bd6 Nc6+–) 1–0. dale3 – studs68, Live Game Caissa's Web, 2005.

4.Bb5 Nf6 5.Nf3 c6 6.Bd3 d5 7.Qe2 de4 8.Be4 Bd6 9.d4 Ne4 10.Qe4 f5 11.Qe3 e4 12.0–0 Be6 13.Nc3 0–0 14.Re1 Nd7 15.Ng5 Bc4 16.Bb2 Nf6 17.Qc1 h6 18.Nh3 Qb6 19.a4 Ng4 20.g3 g6 21.Rb1 Rad8 22.Ba3 Qa7 23.Rd1 Rfe8 24.Bd6 Rd6 25.Qa3 Rd4 26.Rd4 Qd4 27.Rd1 Qe5 28.Qb4 Bf7 29.Rd7 e3 30.fe3?? Qe3 31.Kg2 Qe1 32.Rd3 Bd5! 33.Rd5 Ne3 34.Kf3 Qh1 35.Ke2 Qf1 36.Kd2 Nc4 37.Qc4 Qe1 38.Kd3 Qe3 0–1. WJChess_144 – Adam_16, RWBC OpenClass 3rd Edition, 2003.

4.Nf3 Ra4 5.Nc3 Ra5 6.Ne5 d6 =.

4.Bb5 c6=+

5.Bc4 b5 6.Bb3 Nf6 7.Nc3? Na6 8.Nce2 Nc5 9.Bb2=+ Nb3 10.cb3 d6 11.Ng3 Be7 12.Nh5 0–0 13.Nf6 Bf6 14.Nh3 d5 15.Qh5 de4 16.f4? Bh3 17.Be5 Be6 18.f5 Bd5 19.Bf4 Ba1 20.Bg5 Bf6 21.Bf6 Qf6 22.Rf1 e3! 23.de3 Rae8 24.g4 Qc3 25.Kf2 Qe3# 0–1. blacksteelpipe – kingboy, Live Game Caissa's Web, 2005.

5.Bc4 d5 6.ed5 cd5 7.Bb3 Nc6 8.Bb2 Nge7 9.Nf3 Ng6 10.0–0 Be7 11.Re1 Bf6 12.c4 d4 13.d3 0–0 14.Nbd2 Na5 15.Ne4 Bf5 16.Ba3 Be4 17.Bf8?? Bf3 18.Qf3 Kf8 19.c5 Qc7 20.Rac1 Nb3 21.ab3 Qc6 22.Qc6 bc6 23.b4 Nf4 24.Red1 Ne2 (25.Kf1 Nc1 26.Rc1 Ra3–+) 0–1. Zbynek,J – Hava,J (1690), Schneider Bohemia op–C, 2000.

5.Bd3 d5 =+.

5.Be2 Qb6 6.Nc3 Bc5=+ 7.Nh3 d6 8.Rb1 Qa7 9.0–0 Bh3–/+ 10.gh3 Nf6 11.d3 b5 12.a3 Qd7 13.Bg4 Ng4 14.Qg4 Qg4 15.hg4 h5 16.g5 h4 17.Be3? Ba3 18.f4 h3 19.fe5 de5 20.d4 Bb4?? 21.Rb4+– Nd7 22.de5 Ne5 23.Bd4 c5 24.Bc5 Rc8 25.Rb5 Ng4 26.Nd5 Rh5 27.Ne7 Rc7 28.Rb8 Kd7 29.Rd1 Ke6 30.Rb6 Ke5 31.Bd6 Ke6 32.Bc7 Ke7 33.Bd8 Kf8 34.Rb8 Kg8 35.Rf1 Ne5 36.Bc7 Kh7 37.Be5 Rg5 38.Bg3 f6 39.Rd1 Rc5 40.Rc1 Kg6 41.c4 Kg5 42.Rb5 (42...g6 43.Rc5 Kh6 44.Rf1+–) 1–0. trex1 – schoolboy, Live Game Caissa's Web, 2005.

5.Be2 Bc5 6.Nf3 Qb6 7.0–0= Nf6 8.Ne5 Ne4 9.Nd3 Be7 10.Bb2 Bf6 11.Bf6 Nf6 12.Nc3 d5 13.Re1 0–0 14.Bf3 Bf5=+ 15.Re7 Nbd7 16.Rb1 Qc7 17.Nc5 b5 18.Nd7=+ Bd7 19.Qe2 Qd6 20.Qe5 Qe5 21.Re5 Ra3 22.Rb3 Rb3 23.ab3 ˝–˝. Houthuijzen,A – Woschkat,Karl_Heinz, corr, 1991.

5.Be2 Nf6 6.Nc3 Bb4–/+ 7.Bb2 0–0 8.Nf3 d6–/+ 9.0–0 Bc3 10.dc3 Ne4–+ 11.c4 Ng5 12.Ng5=+ Qg5 13.Bc1? Qd8 14.f4 Na6 15.fe5 de5 16.Qd8 Rd8–+ 17.Bb2 e4 18.Rf4 f5 19.g4 g6 20.gf5 gf5 21.Kh1 Rd2 22.Rg1–/+ Kf8 23.Bh5? Be6 24.Bg7 Ke7–+ 25.Bc3 Rc2 26.Rg7 Kd6 27.Bf6 c5 28.Be7 Kc6 29.Bf7 Rc1 30.Kg2 Nc7 31.Be6 Ne6 (32.Rf5 Ra2 33.Kh3 Ng7 34.Rc5 Kb6 35.Rb5 Ka6–+) 0–1. dale2 – TheBlackKnight, Live Game Caissa's Web, 2005.

5.Be2 Nf6 6.Nc3 Bb4 7.Bb2 Qe7 8.Nf3 d6 9.0–0 Bc3 10.dc3 Ne4–/+ 11.Bd3 Bf5 12.Re1 Ra4 13.c4+/– d5 14.cd5 cd5?? 15.c4 Ra5 16.Ne5 f6 17.Be4 de4 (18.Qh5 Bg6 19.Ng6 Rh5 20.Ne7 Ke7 21.Re4 Kf7+–) 0–1. tit1 – toprod, Caissa's Web, 2004.

5.Be2 Nf6 6.d3 =+.

5.Bc4 Nf6

6.Nc3 b5 7.Bb3–/+ b4 8.Na4 Ne4 9.Qe2 d5 10.d3 Nf6 11.Qe5 Be7 12.Nf3 Ng4 13.Qf4 –/+.

6.Nc3 Bc5 7.Nf3=+ d6 8.0–0 0–0 9.h3 h6 10.Re1 Re8 11.a4 b5 12.Be2? ba4 13.Ra4 Ra4 14.Na4 Ne4 15.Nc5 Nc5 16.c4 f5 17.d3 Ne6 18.Qb3 Nd7 19.Ba3 Nf6 20.Qb8 Nc7 21.Rb1 Qe7 22.Qb4 Rd8 23.Qc3 Qe6 24.Rb6=+ Bd7 25.Qb4 Nfe8 26.Bd1 c5 27.Qa5 Ra8 28.Qc3 Qe7 29.Nd2 Ne6 30.Bc2 Nd4–+ 31.Bd1 Bc6 32.Qc1? Qg5 33.f3 Rc8 34.Kf2 Qh4 35.Kf1 Nf6 36.Bb2 Ne6 37.Be2? Nh5 38.Qa1?? Nef4 39.Rc6 Ng3 40.Ke1 Nge2 41.Kd1 Rd8 42.Kc2 Ng2 43.Be5 Ne3 44.Kb1 Qe1 45.Kb2 Qd2 46.Kb3 Rb8 47.Ka4 Qb4# 0–1. tightfist (2095) – wstanevans (2180), net–chess.com, 2007.

6.Nc3 d5 7.ed5=+ cd5 8.Bb3 Qb6 9.Qe2 Nc6 10.Nd5+= Nd5 11.Bd5 Nd4 12.Qe5 Be6 13.Be6+/– Qe6 14.Qe6+– fe6 15.Kd1 Rc8 16.c3 Nf5 17.Rb1 Rc7 18.Nf3 Bc5 19.Re1 Kf7 20.Ng5 Kf6 21.d4 Bd6 22.Re6# 1–0. pierre – kahlija, internet, 2008.

6.Qe2 b5 7.Bb3 Bc5 =+.

3.e4 Nf6

4.Nc3 ab5 5.Bb5 c6 6.Bc4 d5 7.ed5 cd5 8.Bb3 d4 9.Nce2 Nbd7 10.f4 d3 11.cd3 Nc5 12.Bc2 Nd3 13.Bd3 Qd3 14.fe5 Ng4 15.Nf3 Bc5 16.Rf1 Bd7 (16...Bb4 17.a3+=) 17.Bb2 Ba4 18.Qc1 (better is 18.Qb1!? Bc2 19.Qc1–/+) 18...Bb5–/+ 19.Ng3 Ra4 (better is 19...Nh2 20.Qc5 Nf1–/+) 20.Qc3?? (20.Ng5 Qd5 21.Qc2 (21.Rf7?? Ne5 22.Qc3 Nf7 23.Nf7 Rf8–+) 21...Ne5 22.Kd1–/+) 20...Re4 21.Kd1 Ne3 22.Kc1 (22.Ke1 Nd5 23.Kd1 Nc3 24.Kc1 Ba4 25.Nd4 Qb1 26.Rb1 Na2) 22…Rc4 (22...Rc4 23.Ne1 Rc3 24.Bc3 Ba3 25.Bb2 Bb2 26.Kb2 Nc4 27.Kc1 Qd2 28.Kb1 Qb2#; 22...Nf1 23.Ne4 Qc3 24.Bc3+/– (worse is 24.dc3 Be7+=)) 0–1. Tiedemann,Joern (1995) – Kath,Jochen (2115), remoteschach.de, 2010.

4.Nc3 d5 5.ed5 Nd5 6.Nd5 (6...Qd5 7.Ne2=+) =+. beyonze1 – RogerDodge1, Live Game Caissa's Web, 2004.

4.Nc3 Bb4

5.Bb2 d6 6.Nge2 (6.Qf3 ab5 7.Bb5 c6+=) 6...ab5–/+ 7.a3 Bc5 8.d4 ed4 9.Nb5 Ne4 10.Qd3 d5 11.f3 Nf6 12.Nbd4 0–0 13.Nb3 Bb6 14.h4 Re8 15.h5 h6 16.a4 Nc6 17.Qc3 Be3 18.Qd3 Nb4 19.Qc3 Qd6 20.Rh4 d4! 21.Rd4 (21.Nbd4 Bg5 Combination) 21...Bd4 22.Nbd4 Nbd5 23.Qb3 (23.Qd2 Qg3 24.Kd1 Qf2–+) 23...Qg3 24.Kd2 Qf2 25.g4 Bg4 26.c4 Ne3 27.Bg2 Bh5 (27...Bh5 28.Bh1 c5–+) 0–1. Tiedemann,Joern (2125) – Kleinert,Stefan (2395), RSS4D basic–16, 2008.

5.Nd5 Nd5 6.ed5 d6 –/+.

5.Qf3 d6 6.Bb2 0–0 7.h3 Bd7 (7...Nbd7 8.ba6 Nc5 9.Bd3–/+) 8.a4 Qe8 9.Qe2 c6 (9...Be6 10.Nf3–/+) 10.b6 (10.Nf3 Qe7–/+) 10...c5 11.a5 (better is 11.Nd5!? Nd5 12.ed5–/+) 11...Nc6–+ 12.Nd5 (12.Nf3 Ba5 13.Nd5 Qd8–+) 12...Nd5 13.ed5 Na5 (13...Nd4!? 14.Bd4 cd4 15.Qc4–+) 14.c3 Nb3 (better is 14...Bb5 15.d3 Nb3 16.cb4 Na1 17.Ba1 cb4–+) 15.Rb1? (better is 15.cb4 Na1 16.Ba1–+) 15...Bf5–+ Black intends e4 16.d3 (16.Rd1 Ba5 17.Qc4 Bc2–+) 16...e4 (better is 16...Ba5 17.Qd1 c4–+) 17.d4 (17.cb4 ed3 18.Qe8 d2 19.Kd1 Rfe8 20.Nf3 Bb1 21.Bc4–+) 17...cd4 18.cb4 Qa4 19.Bc1 Rac8 20.Qb2 e3 21.Qb3 Rc1! 22.Ke2 Qb5 23.Kf3 Qf1 24.Rb2 Rc3 (24...Rc3 25.Kg3 Rb3–+) 0–1. ovid7 (1780) – zunsurfer (2040), gameknot.com, 2014.

3.Nf3 e4

4.Nd4 ab5 5.Nb5 Nf6 6.Bb2 c6 7.Bf6 Qf6 8.Nc7 Kd8 9.Na8 Bc5 10.e3 Qa1 11.Nc3 Qd1 12.Nd1? (better is 12.Kd1 d5 13.Na4+=) 12...b5–+ 13.d4 (13.Nc3 d5 14.f3–+) 13...ed3! 14.Bd3 (14.cd3 Bb4 Decoy; 14.Bd3 Bb7 Combination) 14...Bb7 15.Nc7 (15.h4 d5–+) 15...Kc7 16.0–0 Na6 17.c3 (17.Nc3 Nb4–+) 17...d5 18.g4 h5 19.g5 Be7 20.h4 Nc5 21.Bc2 Ra8 22.Bb1 Ne4 23.Be4 de4 24.c4 (24.f3 ef3 25.Rf3 f6–+) 24...b4 25.a4 (25.f3 Bc8 26.fe4 Be6–+) 25...ba3 26.Nc3 Ba6 27.Rc1 (27.Ra1 Bc4 28.Ne4 Bb4–+) 27...Bc4 28.Ne4 a2 29.Ra1 Ba3 30.Nc3 Bb2 31.Ra2 Ba2 32.Na2 Ra2 33.Kf1 c5 34.Ke2 c4 35.f4 Ba3 36.Ke1 c3 37.f5 Rh2 38.e4 c2 39.f6 c1Q 0–1. peteywheatstraw – ukip (2115), gameknot.com, 2009.

4.Nd4 ab5 5.Nc3 d5 6.Ncb5 Nf6 7.Bb2 c5 8.Nb3 Nc6 9.Bf6 gf6 10.d3 Be6 11.e3 ed3 12.cd3 c4 13.Nd2 Bb4 14.a3 Ba5 15.Rc1 cd3 16.Bd3 Ne5 17.Qe2 Rg8 18.Kf1 Nd3 19.Qd3 Rg6 20.Nb3 Bb6 21.Rg1 Qe7 22.g3 Bh3 23.Ke2 Bg4 24.f3 Bf5 25.Qd2 Bd7 26.Nc3 Ra3 27.Nd5 Be3 28.Ne7 Bd2 29.Nd2 Ke7 30.Rc7 b5 31.Ne4 Ra2 32.Ke3 Kd8 33.Rb7 Ra3 34.Kf4 Rd3 35.Ra1 Rd5 36.Raa7 Ke8 37.Nc3 Rd4 38.Ke3 Rd6 39.Ra8 Ke7 40.Nb5 Re6 41.Kd4 Re2 42.Raa7 Rd2 43.Kc3 Rd5 44.Kc4 Rgg5 45.Nc3 Rd2 46.Ne4 Rd1 47.Ng5 fg5 48.h4 gh4 49.gh4 h6 50.Ra5 Kf6 51.f4 Bc8 52.Rb6 Be6 53.Kc3 Rf1 54.Rb4 Rf3 55.Kd2 Rh3 56.f5 Rh2 57.Ke3 Rh3 58.Ke2 Bb3 59.Kd2 Rh2 60.Kc1 Rh1 61.Kb2 Bd1 62.Rd4 Rh2 63.Kc3 Rh3 64.Kd2 Bh5 65.Rc5 Rh2 66.Kc3 Rh3 67.Kb2 Rh2 68.Kb1 Bf3 69.Rb4 Bg2 70.Rb6 Kg7 71.Rc4 Bh3 72.Rf4 Rg2 73.f6 Kg6 74.Rb5 Bg4 75.Rc5 Bd1 76.Ka1 Rd2 77.Rc8 Kh7 78.Kb1 Rg2 79.Rb4 Bg4 80.Rc6 Be6 81.Rf4 Kg6 82.Re6 Kh7 83.Re7 Kg6 84.h5 Kg5 85.Rf1 Kh5 86.Rf7 Rg4 87.Rg7 Rb4 88.Kc2 Rc4 89.Kd3 Rb4 90.Rh1 Rh4 91.Rh4 Kh4 92.f7 Kh3 93.f8Q h5 94.Qf3 Kh4 95.Qh1# 1–0. Green Light Chess v2.13 – Pharaon 2.50, computer chess game, 2001.

2.b5 Bb4

3.a3 Ba5 =+.

3.Bb2 Bc5 4.Be5+= Qh4? 5.e3 f6 6.Bc7 Ne7 7.d4 Bb4? 8.c3 Bc3 9.Nc3 0–0 10.Qb3 Rf7 11.Bc4 d5 12.Nd5 Nd5 13.Bd5 Qh5 14.Ne2 Nd7 15.Nf4 Qd5 16.Nd5 Nb6 17.Bb6 ab6 18.Nb6 Rb8 19.Qd5 g6 20.Qd6 (20...Be6 21.Qb8 Kg7 22.Rc1 Ba2 23.d5+–) 1–0. Taulien,Hans_Juergen – Luginbuehl,Daniel, remoteschach.de, 2002.

3.c3 Ba5 4.Qa4 b6?? 5.Na3?? d5= 6.Nf3 Nd7 7.e4 Nc5–/+ 8.Qc2 Qd6 9.g3?? Ne4 10.d3?? Nc3 11.Qd2 Nb5! 12.Nb5 Bd2 13.Nd2 Qe7 14.Ba3 c5 15.Nf3 Nf6 16.h3 a6 17.Nc3 d4 18.Na4 Bb7 19.Bg2 Qd6 20.Rb1 Nd7 21.Rg1 0–0 22.Ng5 Bg2 23.Rg2 f6 24.Ne4 Qe6 25.h4 Qa2 26.Nb6 Qb1 27.Ke2 Qb6 28.h5 h6 29.g4 Qb3 30.Bc1 Qc2 31.Bd2 a5 32.Nd6 Nb6 33.g5 fg5 34.Nb7 Nd5 35.f4 Nf4 36.Ke1 Ng2 37.Ke2 Nf4 (38.Kf1 Qd1 39.Kf2 Qd2 40.Kg3 Qg2#; 37...Ne3 38.Na5 Qd1#) 0–1. solidsteel – 72thst, Live Game Caissa's Web, 2005.

3.c3 Bc5 4.e3 Qf6 5.Ba3 Bb6 6.Bc4 Ne7 7.g3 d5 8.Be7= Qe7 9.Bd5 0–0 10.Qh5 g6 11.Qh6 Kh8 12.Nf3+/– e4?? 13.Ng5+– Rg8 14.Qh7# 1–0. manofsteel2 – Fire239, Live Game Caissa's Web, 2005.

3.e4 d6 4.Bb2 Nf6=+ 5.Bd3 Bg4 6.Nf3 Nbd7 7.0–0 Nc5 8.Be2 Nce4 9.Nh4 Be2 10.Qe2 0–0 11.Nf5 g6 12.Nh6 Kg7 13.Ng4 Ng4?? 14.Qg4?? f5–/+ 15.Qf3 Nd2 16.Nd2=+ Bd2 17.Rad1 Ba5 18.Qd5?? a6 19.f4 Kh6 20.fe5= (20...ab5 21.Qb3=). juicy – 4630, Live Game Caissa's Web, 2004.

3.e4 Nf6 4.c3 Be7 5.Nf3 =+.

3.Bb2 d6

4.e3 Nf6 5.Nf3 a6 6.a4 0–0 7.Be2 Bg4 8.0–0 c6 9.c3 Ba5 10.d4 e4 11.Nfd2 Be2 12.Qe2 ab5 13.ab5 Nbd7 14.Nb3 Bb6 15.Ra8 Qa8 16.N1d2 Qa2 17.Rb1 Rc8 18.bc6 bc6 19.c4 d5 20.Bc3 Qa6 ˝–˝. Mely (2845) – horse237 (2340), ChessWorld.net, 2003.

4.e3 Bc5

5.Nc3 Nf6 A) 6.Nf3 0–0 (6...e4 7.Nd4 0–0 8.Be2 Nbd7 9.0–0 d5 10.f4 ef3 11.Nf3 Nb6) 7.Be2 a6 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1; B) 6.Be2 0–0 (6...a6 7.Nf3 0–0 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1; 6...Bf5 7.g4 Be6 8.Bf3 c6 9.Na4 Bb4 10.g5 Nfd7 11.c3 Ba5; 6...Nbd7 7.Nf3 0–0 8.d4 ed4 9.ed4 Bb4 10.0–0 Re8 11.Bd3 Nb6; 6...d5 7.Nf3 e4 8.Nd4 0–0 9.0–0 Nbd7 10.f3 ef3 11.Nf3 Nb6; 6...Be6 7.d4 Bb4 8.de5 Nd5 9.Qd2 Nd7 10.e4 Nc3 11.Bc3 Bc3) 7.Nf3 a6 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1.

5.Bd3 Nf6 6.Nc3 d5 (6...0–0 7.Nf3 Re8 8.Be2 a6 9.0–0 e4 10.Nd4 ab5 11.Bb5 c6; 6...a6 7.Na4 Ba7 8.c4 Nbd7 9.Qc2 Qe7 10.Nh3 e4 11.Be2 0–0) 7.e4 Ne4 8.Ne4 de4 9.Be4 Bd4 10.c3 Qh4 11.cd4 Qe4.

5.d4 f6?? (better is 5...ed4 A) 6.Nf3 Bb4 (6...Ne7 7.ed4 Bb4 8.c3 Ba5 9.Bd3 a6 10.a4 0–0 11.0–0 Nd7; 6...Nf6 7.ed4 Bb6 8.Bd3 a6 9.Qe2 Qe7 10.Nc3 Qe2 11.Ke2 ab5; 6...Qe7 7.Be2 Nf6 8.ed4 Bb4 9.Nbd2 Nd5 10.0–0 0–0 11.Bc4 Be6) 7.c3 dc3 8.Nc3 Nf6 9.Be2 0–0 10.0–0 Nbd7 11.Nd5 Bc5; B) 6.Bd4 Bd4 7.Qd4 Nf6 8.Nf3 0–0 9.Nc3 a6 10.Rb1 h6 11.h3 Re8; C) 6.ed4 Bb6= (6...Bb4 7.c3 Ba5 8.Nd2 Nf6 9.Nc4 c6 10.Qa4 Bc7 11.Nf3 0–0; 6...Qe7 7.Be2 Bb6 8.Nf3 Nf6 9.0–0 0–0 10.Re1 Be6 11.Ng5 c6) 7.Nf3 Nf6 8.Bd3 Qe7 9.Be2 0–0 10.0–0 Be6 11.Nc3 d5) 6.dc5+– dc5 7.Qf3 g6 (7...c6 8.Nc3+–) 8.Nc3 h5 (8...Nd7 9.Rd1+–) 9.Rd1 Bg4 (9...Nd7+–) 10.Rd8 Kd8 11.Qb7 Nh6 12.Qa8 Ke7 13.Qa7 Rd8 14.Qc5 Ke8 15.Ba3 Rd7 16.Qf8 1–0. pierre – oppoxhi, internet, 2010.

5.Be2 A) 5...Nf6 A1) 6.Nc3 0–0 (6...a6 7.Nf3 0–0 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1; 6...Bf5 7.Nf3 Nbd7 8.d4 Bb6 9.0–0 0–0 10.h3 e4 11.Nh4 Be6; 6...Nbd7 7.Nf3 0–0 8.d4 ed4 9.ed4 Bb4 10.0–0 Re8 11.Re1 Nb6) 7.Nf3 a6 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1; A2) 6.d4 ed4 7.ed4 Bb4 8.c3 Ba5 9.Nf3 0–0 10.0–0 Re8 11.Nbd2 a6; A3) 6.Nh3 Bh3 (6...0–0 7.Nc3 d5 8.Na4 Bd6 9.0–0 Bh3 10.gh3 a6 11.d4 ed4; 6...Qe7 7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 10.Nf4 g5 11.Nd3 Bg4; 6...Bf5 7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 10.Nd2 c6 11.0–0 0–0) 7.gh3 Nbd7 8.Nc3 d5 9.d4 ed4 10.ed4 Bd6 11.0–0 0–0; A4) 6.Nf3 e4 (6...0–0 7.Nc3 a6 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1; 6...a6 7.Nc3 0–0 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1) 7.Nd4 0–0 8.Nc3 Nbd7 9.0–0 d5 10.f4 ef3 11.Rf3 Ne5; B) 5...Nd7 B1) 6.d4 Bb4 (6...ed4 7.ed4 Bb6 8.Nf3 Ngf6 9.0–0 0–0 10.Nc3 Re8 11.Re1 Ba5; 6...Bb6 7.Nc3 Ngf6 8.Nf3 0–0 9.0–0 Re8 10.Bc4 ed4 11.ed4 Ba5) 7.Bc3 Bc3 8.Nc3 Ngf6 9.Nf3 0–0 10.0–0 e4 11.Nd2 Qe7; B2) 6.Nc3 Ngf6 7.Nf3 0–0 8.0–0 e4 9.Nd4 d5 10.Nb3 Be7 11.d3 Nc5; B3) 6.Nf3 Ngf6 (6...Ne7 7.Nc3 0–0 8.d4 Bb4 9.0–0 Bc3 10.Bc3 e4 11.Nd2 Nf6; 6...Bb6 7.0–0 Ngf6 8.Nc3 0–0 9.d4 Re8 10.a4 Ba5 11.h3 e4) 7.d4 ed4 8.ed4 Bb4 9.Bc3 Bc3 10.Nc3 0–0 11.0–0 Re8; C) 5...a6 C1) 6.Nc3 Nf6 (6...ab5 7.d4 ed4 8.ed4 Bb6 9.Bb5 c6 10.Bd3 Bd4 11.Qd2 Nf6) 7.Nf3 0–0 8.d4 ed4 9.ed4 Bb6 10.a4 ab5 11.ab5 Ra1; C2) 6.d4 ed4 7.ed4 Bb6 8.Nf3 Nf6 9.c4 0–0 10.Nc3 Bf5 11.0–0 ab5; C3) 6.f4 Nf6 (6...ab5 7.Nf3 Nc6 8.fe5 de5 9.Ne5 Nf6 10.0–0 0–0 11.Nc6 bc6) 7.d4 ed4 8.ed4 Bb6 9.Nf3 0–0 10.0–0 Qe7 11.Nbd2 d5; C4) 6.a4 ab5 (6...Nf6 7.d4 ed4 8.ed4 Bb6 9.Nc3 ab5 10.ab5 Ra1 11.Ba1 0–0) 7.ab5 Ra1 8.Ba1 Nf6 9.Nf3 0–0 10.d4 ed4 11.ed4 Bb6; C5) 6.Nf3 Nf6 7.d4 ed4 8.ed4 Bb6 9.c4 ab5 10.cb5 0–0 11.Nc3 Bf5.

5.Nf3 A) 5...a6 A1) 6.Nc3 Nf6 7.a4 0–0 8.Be2 ab5 9.ab5 Ra1 10.Qa1 Bf5 11.Qa8 Nc6; A2) 6.a4 ab5 (6...Nf6 7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 10.Be2 0–0 11.0–0 Bf5; 6...Ne7 7.d4 ed4 8.ed4 Bb6 9.a5 Ba7 10.Be2 0–0 11.c4 d5; 6...Qe7 7.Be2 Nf6 8.d4 ed4 9.ed4 Bb4 10.c3 Ba5 11.0–0 0–0; 6...Nd7 7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 10.Nbd2 Ngf6 11.Nc4 Bb6) 7.d4 ed4 8.ed4 Bb6 9.Bb5 c6 10.Bd3 Qe7 11.Qe2 Nf6; A3) 6.d4 ed4 7.ed4 Bb4 8.c3 Ba5 9.Bd3 Qe7 10.Kd2 Qf6 11.Qa4 ab5; B) 5...Nf6 B1) 6.Be2 0–0 (6...a6 7.d4 ed4 8.ed4 Bb6 9.c4 0–0 10.0–0 ab5 11.cb5 Be6; 6...e4 7.Nd4 Nbd7 8.0–0 0–0 9.Nc3 d5 10.f4 ef3 11.Nf3 Nb6; 6...Nbd7 7.d4 ed4 8.ed4 Bb4 9.Bc3 Bc3 10.Nc3 0–0 11.0–0 Re8) 7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 10.0–0 a6 11.a4 Bf5; B2) 6.Nc3 0–0 (6...e4 7.Nd4 0–0 8.Be2 Nbd7 9.0–0 d5 10.Nb3 Bd6 11.d3 Ne5) 7.Bd3 Re8 8.e4 a6 9.a4 Be6 10.0–0 ab5 11.ab5 Ra1; B3) 6.d4 ed4 7.ed4 Bb6 8.Bc4 d5 9.Bd3 Qe7 10.Be2 a6 11.0–0 ab5.

3.c3 Be7

4.d4 ed4 5.Qd4 Bf6 =.

4.e4 =+.

4.Nf3 e4=+ 5.Nd4 d5 6.e3 Nf6 7.Ba3 0–0 8.Be7 Qe7 9.a4 c5 10.Ne2 Bg4 11.h3 Be2 12.Be2 Nbd7 13.Bg4 Ng4–+ 14.Qg4 Ne5 15.Qe2 Nd3 16.Kd1 a6 17.f3 ab5 18.a5 b4 19.fe4 de4 20.Rf1 Qe6 (21.Kc2 Qe5–+) 0–1. cefik – pierre, ChessHere.com, 2005.

2.b5 b6

3.a4 a5 4.Ba3 d6 5.e4 g6 6.Nf3 Nf6 7.Bd3 Bg7 8.0–0 0–0 9.Nc3 Bb7 10.Re1 Re8 11.Ng5 Nh5 12.h4 h6 13.Nf3 d5 14.g4 Nf4 15.Bf1 Qd7 16.Nh2 d4 17.Ne2 Be4 18.d3 Bb7 19.Nf4 ef4 20.Bg2 Re1 21.Qe1 Bg2 22.Kg2 Bf6 23.f3 Qd6 24.Bd6 cd6 25.Qe4 Ra7 26.Qe8 1–0. Mueller,Gerald – Ritschel,Stephan, ESC, 2000.

3.a4 a6 4.Bb2 Qe7 5.c4 ab5 (5...Nf6 6.Nf3 e4 7.Nd4=) 6.cb5 (6.ab5 Ra1 7.Ba1 Nf6+=) 6...Bb7 (6...c5 7.bc6 dc6 8.d4=+) 7.h4 (7.d4 e4=) 7...Nf6 8.f3 (8.Nf3 e4 9.Nd4 c5 10.bc6 dc6=+) 8...d6 (8...d5 9.d4 Nbd7 10.de5 Ne5 11.e3–/+) 9.e4 (9.e3 Nbd7–/+) 9...Qe6 (9...d5 10.ed5 Nd5 11.Nc3–/+) 10.g4 (10.d4 ed4 11.Ne2 d5–/+) 10...h6 (10...d5 11.g5 Nh5 12.Qc2–/+) 11.Bh3 g5 (11...Qe7=+) 12.h5 (better is 12.Bf1 gh4 13.d4=) 12...Nbd7 13.Bf1 (13.Qc2 d5 14.Qc7 Rb8–/+) 13...Nc5 (13...d5 14.ed5 Bd5 15.Nc3–/+) 14.Ra3 (14.d3 d5–/+) 14...Bg7 (14...d5 15.ed5 Qd5 16.Qe2–+) 15.Qc2 (15.Ne2 Nfe4 16.fe4 Be4=+) 15...d5 16.d4 ed4 17.Bd4 0–0 18.e5 (18.Bc5!? bc5 19.a5–/+) 18...Nfd7–+ 19.Bd3 (19.Re3 Be5 20.Ne2 Qf6 (20...Na4?! 21.Bg2–+; 20...Ra4?! 21.Nbc3 Ra5 22.Qd1–+) 21.Be5 Ne5–+) 19...Ne5 20.Bf5 (20.Bh7 Kh8 21.Kf1 Nc4–+) 20...Qe7 (20...Ned3 21.Kf1 Qe1 22.Kg2 Nf4 23.Kh2 Qh4 24.Nh3 Qh3 25.Kg1 Bd4 26.Re3 Be3 27.Qf2 Qg2) 21.Bc5 (21.Re3 Ra4 (21...Na4?! 22.Nd2–+) 22.Qd1 Qd6–+) 21...bc5 (21...Qc5?! 22.Qc5 bc5 23.Nd2–+) 22.Kd1 (22.Ne2–+) 22...Nc4 23.Nh3 (23.Qe2 Qd6 24.Rb3 Rfe8–+) 23...Ne3 (better is 23...Na3!? 24.Na3 Rfe8 25.Bh7 Kh8 26.Bf5–+) 24.Re3 Qe3 25.Rf1 (25.Qf2 Qb3 26.Bc2 Qb4–+) 25...d4 (better is 25...Qd4 26.Qd2 Qa4 27.Bc2 Qb5 28.Qd3 Qd3 29.Bd3–+) 26.Be4 (26.Nd2 Rfe8 27.Bd3 Bd5–+) 26...Be4 (27.Qe4 Qb3 28.Qc2 Qb4–+) 0–1. riverborne – icewater, Caissa's Web, 2004.

3.a4 d5 4.e3 a6 5.c4 ab5 6.cb5 Nf6 7.Nc3 Bb4 8.Qb3 Bc3 9.Qc3 Be6 (9...d4 10.Qc2=+) 10.Qb4 (10.Qe5 0–0+=) 10...Qd6 (10...c5 11.bc6 Nc6 12.Bb5=) 11.Ba3 (11.Qd6!? cd6 12.d4=) 11...Qb4–/+ 12.Bb4 Nbd7 (12...d4 13.Nf3=+) 13.Nf3 e4 14.Nd4 0–0–0 (14...Ne5 15.Ne6 fe6 16.Bc3=) 15.Be2 Bg4 (15...Ne5 16.Rc1+=) 16.Bg4 Ng4 17.0–0 (17.Nc6 Rde8 18.Ne7 Kb7 19.Nd5 Nde5+=) 17...h5 (17...Nde5 18.f3 Nh6 19.Be7+=) 18.a5 ba5 19.Ra5 Nb6 (19...Nge5 20.Ra7+=) 20.Rfa1 Kd7 21.h3 (21.Nb3 Kc8+=) 21...Ne5= 22.Bc5 (22.Nb3 Nd3 23.Bc3 Nc4=+) 22...Rb8 23.Ra7 Nec4 (23...Nbc4 24.Bb4=+) 24.Nc6+= Ra8 25.Bb6 Nb6 26.Ne5 Ke6 27.Ra8 Ra8 28.Ra8 Na8 29.Nc6 Kd6 30.f4 ef3 (30...Kc5!? 31.Nd4 Nb6=+) 31.gf3= Kc5 (32.Nd4 Nb6=) =. whhodson – harkandpuke, Live Game Caissa's Web, 2004.

3.Bb2 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.b5 e5).

3.Bb2 Bc5 4.Be5+/– f6 5.Bg3 d6 (5...Bb7 6.d4 Be7 7.e3+/–) 6.e4 (6.d4 Bb4 7.c3 Ba5+–) 6...a6 (6...Qe7 7.c3 Qe4 8.Qe2+/–) 7.c3 a5?? (better is 7...ab5 8.Qb3 Qe7+/–) 8.d4+– Ba3 (8...Qe7 9.Bd3+–) 9.Na3 Nh6 10.Qh5 Nf7 11.Bc4 Qe7 12.Ne2 Be6 13.Be6 Qe6 14.Nf4 Qe4 15.Kd2 g6 16.Ng6! hg6 17.Qh8! Nh8 18.Rae1 d5? 19.f3 Qe1 20.Re1 Kf7 21.c4 Nd7 22.cd5 g5 23.Bc7 Ng6 24.d6 Nf4 25.Re7 Kg6 26.Rd7 Ng2 27.Re7 Rh8 28.d7 Rh3 29.d8Q Rf3 30.Qg8 Kf5 31.Qe6 Kg6 32.Qe4 Rf5 33.Qg2 g4 34.Qg4 Rg5 35.Qe4 f5 36.Qe6 Kh5 37.Rh7 Kg4 38.Qe2# 1–0. Tiedemann,Joern (2125) – Witt,Monika (1605), remoteschach.de, 2009.

3.Bb2= c6 4.a4 a6 (4...d6 5.d4=) 5.c4 (5.Be5 d6 6.Bd4 c5+=) 5...a5 (5...f6 6.e4=) 6.e3 (6.Be5 Nf6+/–) 6...Nf6 (6...f6!?=) 7.Be5+/– d6 8.Bb2 Nbd7 (8...Be7 9.Nf3+/–) 9.Nf3 Be7 (9...cb5!? 10.ab5 Be7+/–) 10.bc6+– Nc5 11.d4 Nce4 12.Nc3 White plans d5 12...0–0 13.Bd3 Bf5 (13...Nc3 14.Bc3 d5 15.cd5 Nd5 16.Bd2+–) 14.0–0 Rc8? (14...Nc3 15.Bc3 Ne4 16.Qc2+–) 15.d5 (15.Qc2 d5 16.cd5 Nc3 17.Bf5 Ncd5 18.Bc8 Qc8+–) 15...g6 (15...Bg6 16.Rb1 Nc5 17.Bg6 fg6 18.Nd4+–) 16.Nh4 (better is 16.Ne4!? Be4 17.Bf6 Bf6 18.Be4 Ba1 19.Qa1 Re8+–) 16...Bg4 17.f3 g5 (17...Nc3 18.Bc3 Ne8 19.fg4 Bh4+–) 18.fg4 gh4 (18...Nc5 19.Bf5 Ra8 20.Nb5+–) 19.Ne4 Ng4 (19...Ne8+–) 20.Qg4 1–0. pumpkin (2455) – pkjos (1965), net–chess.com, 2013.

3.Bb2 e4 4.e3 Nf6 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 b6).

3.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 b6).

3.Bb2= Nf6 4.e3 (4.Be5 a6+=) 4...d5 (4...e4!?=) 5.Be5+/– Nfd7 6.Bd4 Bb4 (better is 6...c5!? 7.bc6 Nc6+=) 7.Bg7+– Rg8 8.Bc3 a5 9.a3 Bc3 10.Nc3 Ne5 11.h3 (11.Qh5 Rg5 12.Qh7 Qd6+–) 11...Nbd7 (11...c5 12.Qh5 Qf6 13.Qh7=+) 12.Nd5 Bb7 13.Nf4 Nc5 (13...c5 14.Nge2+–) 14.Qh5 (better is 14.d4 Ng6 15.Ng6 Rg6 16.dc5 Bg2 17.Bg2 Rg2+–) 14...Ng6 15.Qh7 Rf8 (15...Rh8 16.Qg7 Ne4+–) 16.Bc4 (16.Ng6 Qf6 17.Nf8 Qa1 18.Ke2 Kf8+–) 16...Qd6?? (16...Nf4 17.ef4 Qd4 18.Bf7 Rf7 19.Qg8 Rf8 20.Qg6 Kd7 21.Qg4 Kd6+=) 17.Nf3 (17.Bf7!? Rf7 18.Qg6 Qg6 19.Ng6 Bg2+–) 17...0–0–0 (17...Nf4 18.ef4 Bf3 19.gf3 Qd4 20.Bf7 Rf7 21.Qg8 Ke7 22.Qg5 Kd7 23.Qg4 Ne6=) 18.0–0 (18.Nd3 Qf6 19.Ke2 Bf3 20.gf3 Nh4+–) 18...Ne5?? (18...Nf4 19.ef4 Bf3 20.gf3 Qf4 21.Bf7 Rf7–+ (21...Qf7 22.Qf7 Rf7 23.d3=)) 19.d4 (better is 19.Ne5 Qe5 20.d4 Rd4 21.ed4 Qf4 22.dc5 Qc4 23.c6+–) 19...Nc4 20.dc5 Nb2?? (20...Qc5 21.Qh5 Qh5 22.Nh5 Bf3 23.gf3 Rd5+–) 21.cd6 cd6 22.Qh6 (22.Qf5!? Kb8 23.Ne5 Rh8+–) 22...Be4 23.Rfc1 (23.Qg7 Bf3 24.Qb2 Rg8+–) 23...Kb7 24.Nd2 Bg6 25.Qg7 Na4 26.Qd4 (better is 26.Ng6 Rg8 27.Qf7 Kb8+–) 26...Nc5 27.Nc4 Bc2 28.Rc2 Nb3 29.Qd5 (better is 29.Qb6 Ka8 30.Rb1 a4+–) 29...Kc7 30.Nd2 (30.Nd6 Nc5 31.Qc6 Kb8 32.Rc5 Rd7 33.Qd7 bc5 34.Qb7) 30...Nc5 31.Qc6 Kb8 32.Nd5 (better is 32.Qb6 Nb7+–) 32...Rc8 33.Qb6 (better is 33.Qd6 Kb7 34.Rac1 a4+–) 33...Nb7 34.Rc8 (34.Nc4!? a4+–) 34...Kc8 35.Qc7 1–0. Steingraeber,Barbara – Schroth,Andy, remoteschach.de, 2002.

3.Bb2 Qg5 4.Nf3 Qh5 5.Ne5 f6 6.g4 Qg5 7.h4 Qf4 8.e3 Qb4 9.Nc4 d5?? (better is 9...Qe7 10.Qf3 c6+–) 10.Ba3 Qa4 11.Nc3 Bg4 (11...Ba3 12.Na4 dc4+–) 12.Qg4 (12.Na4?! Bd1 13.Rd1 dc4 14.Bf8 Kf8+–) 12...Qc2 13.Qc8 (13...Kf7 14.Qf8 Kg6 15.Rg1 Kh5 16.Be2 Kh4 17.Rh1 Kg5 18.Qg7 Qg6 19.Rh5#) 1–0. miehnekort – c_la_torre, Yahoo, 2005.

3.c3 d5 (3...a6 4.d4=+) 4.Nf3 (4.d4 e4=+) 4...e4 5.Ne5 (5.Nd4 a6=+) 5...Nd7 (better is 5...f6!? 6.Nc6 Nc6 7.bc6 Qd6–/+) 6.Nc6= Qf6 (6...Qh4 7.d3=) 7.Qb3 Qd6 8.c4 Nc5 9.Qg3 (9.Qc2!?=) 9...Qg3–/+ 10.hg3 dc4 11.Rh5 (11.Nc3 a6–/+) 11...Nf6 12.Re5 Be6 13.d4 (13.Bb2 h6–+) 13...cd3 14.e3?? (14.ed3 ed3 15.Nc3–+) 14...Ng4 (better is 14...Bd6 15.Bb2 Be5 16.Be5–+) 15.Nd2 Nf6 16.f3?? Bd6 17.fe4 Be5 18.Ne5 Rd8 19.Nc6 Nce4 20.Nd8–/+ Kd8 21.Bd3 Ng3 22.Nc4 Ke7 23.Ba3–/+ Kd7 24.Ne5 Ke8 25.Rc1=+ Nd5 26.Nc6?? Kd7 27.Nb8?? Kc8 28.Na6 Rd8 29.Bh7?? g6–+ 30.Nb4 Nb4 31.Bb4 Nf5 32.Rc2 Ne3 33.Re2 Nf5 34.Re6 fe6 35.Bg6 Rg8 36.Bf7 Rg5?? 37.Be6?? Kb8–/+ 38.Be7?? Ne7–+ 39.Kf1 Rb5 40.a4 Ra5 41.Bb3 b5 42.ab5 Rb5 43.Bc4 Rc5 44.Be2 a5 45.g3 a4 46.Kf2 a3 47.Kf3 a2 48.g4 a1Q 49.Kg3 Ng6 50.Bd3 Qc3 51.g5 Qd3 52.Kf2 Rc2 53.Ke1 Qb3 54.Kd1 Qb1# 0–1. Jolilein – Falcor, mySchach.de, 2005.

3.Nc3 c6 4.Nf3 Qe7 5.d4 (5.e4=) 5...d6 (better is 5...e4!? 6.Nd2 Nf6=+) 6.bc6+/– Nc6 7.d5 Na5 8.e4 h6 9.Be3 Nf6 10.Bd3 Bd7 11.Nb5 Bc8 12.c4 Nb7? (better is 12...Qd8+=) 13.Qa4+– Qd7? (better is 13...Bd7 14.Bb6! Bb5 15.cb5 Nd7+–) 14.Nc7 Ke7 15.Qd7 Bd7 16.Na8 Kd8 17.0–0 Kc8 18.Rab1 Nc5 19.Bc5 dc5 20.Ne5 Kb7 21.Nf7 Rg8 22.e5 Ne8 23.Bh7 Bf5 24.Bf5 g6 25.Be4 Ka8 26.d6 Kb8 27.d7 Be7 28.Nh6 Rf8 29.de8R Re8 30.Bg6 Rf8 31.Nf5 Bd8 32.e6 Rf6 33.Rfd1 Rg6 34.Rd8 Kc7 35.Rd7 Kc8 36.Ne7 (36...Kb8 37.Ng6 Kc8 38.f3 Kb8 39.e7 Kc8 40.e8Q#) 1–0. deepaktnj – astrop, internet, 2007.

3.Nc3 Nf6 4.e3 (4.e4 a6=) 4...Bb7 (4...d5 5.f4 ef4 6.ef4=+) 5.Nf3= e4 (5...Bd6 6.Bc4=) 6.Nd4 d5 (6...a6 7.Bb2=) 7.a4 (7.Bb2 a6=) 7...Bb4 8.Bb2 (8.Ba3 Bc3 9.dc3 Qd7=) 8...Ba5 (8...0–0 9.Be2=) 9.Nce2 (9.Na2 a6=) 9...c6 (9...a6 10.Nb3=) 10.Nf5 (10.Ba3 c5 11.Nb3 Bb4+=) 10...0–0 11.Nf4 Bc8 (11...Nbd7 12.Nd6 Qc7 13.Nb7 Qb7 14.Be2=) 12.Ng3 (12.Ng7!? a6 13.Ngh5+/–) 12...Bb4 (12...Bg4 13.Be2 Bd7 14.0–0=) 13.Nfh5 (13.bc6 Nc6 14.Bf6 gf6+=) 13...Be7 (13...Nh5 14.Qh5 a6 15.Nf5=+) 14.Nf6 (14.a5 cb5 15.Bb5 a6 16.Nf6 Bf6 17.Bf6 Qf6=) 14...Bf6=+ 15.Bf6 Qf6 (< 15...gf6 16.d3 Qe7 17.de4 de4 18.Qd4+=) 16.c3 (16.a5 Bg4 17.Qb1 cb5 18.ab6 Qb6 19.Bb5 Rc8=+) 16...Qg6 (16...a6 17.bc6 Qc6 18.Qh5=+) 17.Qh5 (17.d3 Bg4 18.Qc2 Re8=) 17...Qd6 (17...Qh5 18.Nh5 a6 19.bc6 Nc6 20.d3=) 18.Be2 a6 (18...f5 19.a5 f4 20.ef4 Qf4 21.Rf1=) 19.0–0 a5 (19...f5 20.ba6 f4 21.ef4 Na6 22.Rab1=) 20.Nf5 (20.f3 Qe6+=) 20...Bf5 21.Qf5 g6 22.Qf4 (22.Qh3!?+=) 22...Qf4=+ 23.ef4 c5 24.d3 f5 25.g3 Nd7=+ 26.de4 fe4 27.Bg4 Nf6–/+ 28.Bh3 Rad8 29.Rfd1 d4 30.cd4=+ Rd4 31.Rd4 cd4 32.Kf1 d3 33.Ke1 Re8 34.Kd2 Nd5 35.Rc1 Nb4 36.f5 Nc2= 37.fg6 hg6 38.Bd7 Re7 39.Bc6=+ Nd4 40.Bd5 Kg7=+ 41.h4 Re5 42.Bc4 Nc2 43.Rc2 dc2–/+ 44.Kc2 Rf5 45.Kd2 Rf2–+ 46.Ke3 Rf3 47.Ke4 Ra3 48.Kd5 Ra4 49.Be2 Ra2 50.Bf1 Rc2 51.g4?! a4 52.h5 a3 53.hg6 Rc5 54.Ke6 a2 (55.Kd6 a1Q 56.Bc4 Qe5 57.Kd7 Rc7 58.Kd8 Qe7#) 0–1. cefik (1625) – Zuzu (1605), internet, 2005.

3.c4 Bb7 4.Nc3 Nf6 5.d4 (5.Nf3 e4 6.Nd4 a6+=) 5...e4 6.d5 (6.Nh3!?=) 6...Bb4 7.Bb2 (7.Bd2 a6–/+) 7...Qe7 (7...a6 8.Qb3 Qe7 9.e3 ab5 10.a3–+) 8.e3 c6 (8...a6 9.a3 Ba5 10.a4–/+) 9.Qd4 (9.a3 Bc3 10.Bc3 cd5 11.cd5 d6+= (worse is 11...Bd5 12.Ne2 Bb7 13.Rc1 Qa3 14.Bf6 gf6 15.Qd4+=)) 9...cd5 (9...cb5 10.cb5 0–0 11.a3–/+) 10.cd5 (better is 10.Nh3+=) 10...Bc3 (10...0–0!?–/+) 11.Qc3 (better is 11.Bc3 d6 12.Ne2=) 11...Bd5?? (11...d6 12.Ne2 Nbd7 13.Ng3=) 12.0–0–0?? (better is 12.Rd1 Qd8 13.Rd5 Nd5 14.Qg7+/–) 12...Ba2= 13.Qc8 (better is 13.Ba3!? Qd8 14.Nh3=) 13...Qd8–/+ 14.Qb7 (14.Qd8 Kd8 15.Nh3 a6–/+) 14...0–0 15.Qa8 Qc7 (15...Qc7 16.Kd2 Bd5–/+) 0–1. psychobishop (1840) – ortos, gameknot.com, 2012.

3.d3 Bb7 4.e4 Bc5 5.c4?? (5.Nf3 Qe7=) 5...c6 (better is 5...Bd4 6.Bg5 Qg5–+) 6.a4 a6 7.Qb3 (7.Nf3 ab5 8.cb5 Bb4 9.Bd2 Qe7=) 7...Qf6 (7...ab5 8.cb5 Bd4 9.Bb2=+) 8.Nf3= h6 9.Ba3 cb5 10.ab5 ab5 11.cb5 Qd6 (11...Ne7 12.d4 ed4 13.Bd3=+) 12.Be2 Ba3 13.Na3 f5 14.0–0 fe4 15.Nc4 Qd5? (15...Qe6 16.Ra8 Ba8 17.Nfe5+=) 16.Nfe5 (16.de4 Qc5 17.Nce5 Ra1 18.Qf7 Kd8 19.Ra1 Nf6 20.Qg7 Rf8+–) 16...ed3 (16...Ra1!? 17.Bh5 Kd8 18.Nf7 Kc7 19.Ra1 e3+–) 17.Bd3?? (17.Bf3 Qd4 18.Rae1+–) 17...Qg2 0–1. Buresch,Rene – Ritschel,Stephan, remoteschach.de, 2002.

3.d4 ed4 4.Qd4 Ne7 =.

3.d4 e4 4.d5 (4.Bf4 a6=+) 4...d6 (4...Qf6!? 5.c3 a6=+) 5.Qd4 Qe7 (5...f5 6.Nc3=) 6.c4 (6.Nc3 Bf5=) 6...Nf6 (6...a6 7.Nc3 Nf6 8.Bg5=) 7.Bg5 (7.Nc3 a6=) 7...h6 (7...Nbd7 8.Nc3=) 8.Bf6 gf6 (8...Qf6 9.Qf6 (9.Qe4?? Be7–+) 9...gf6 10.Nc3=) 9.e3 (9.Nd2 Bg7 10.Ne4 Qe5 11.Qe5 fe5+/–) 9...Nd7+= 10.Nc3 Nc5 11.Be2 (11.f3 ef3 12.Nf3 Rg8=) 11...h5 (11...Rg8 12.f3 Rg2 13.Ne4 Bg7=) 12.f3+= ef3 (12...Rg8 13.Ne4 Bg7 14.Qd1=+) 13.Nf3 Bf5 (13...Rg8 14.0–0+/–) 14.0–0 (14.Nh4 Bd7+/–) 14...a6 (14...Bh6 15.e4+=) 15.Nh4+/– Bg4 (15...Bh7 A) 16.Qf6 Qf6 17.Rf6 Bg7–/+; B) 16.Rf6? Bg7 17.Raf1 Nd7 18.Rf7 Qf7 (18...Bd4?! 19.Re7 Ke7 20.ed4+=) 19.Rf7 Bd4 20.Bh5 Be3 (20...Bc3?! 21.Rh7 Kd8 22.Rh8 Bh8 23.a4–+) 21.Kh1 Kd8–+; C) 16.Nf5 Bf5 17.Rf5 ab5 18.cb5=+) 16.Bg4 (16.Qf6 Qf6 17.Rf6 Bg7–+; 16.Rf6? Bg7 17.Raf1 ab5–+ (17...Bf6?! 18.Rf6 Be2 19.Ne2=+)) 16...hg4 17.g3 (17.Nf5 Qe5 18.Rf4 Rh5+/–) 17...Bh6 18.Nf5 Qe5 19.Ne2 (19.Nh6 Rh6 20.Qg4 Rg6+=) 19...Ne4 (19...ab5 20.cb5 Ra4 21.Qe5 fe5 22.Nc3=) 20.Nh6+= Rh6 21.Rf4 f5 22.Raf1 (22.Qe5 de5 23.Rf5 f6=) 22...Qd4 (22...ab5 23.Rf5 Qd4 24.Nd4 Ra2 (< 24...bc4 25.Rf7 0–0–0 26.Rg7+/–) 25.Rf7 Ng5 26.Rf8 Kd7+–) 23.Nd4+= ab5? (better is 23...Nd2 24.Nf5 Rh8+/–) 24.Nf5+– Rg6 25.Re4 Kf8 26.cb5 Ra2 27.Re7 Rc2 28.Rf7! Kf7 29.Nd4 Ke7 30.Nc2 Rf6 31.Rf4 Rf4 32.ef4 Kf6 33.Ne3 Kg6 34.Ng4 Kf5 35.Ne3 Ke4 36.Kf2 Kd4 37.f5 Kc5 38.f6 Kb5 39.f7 c5 40.dc6! Kc6 41.f8Q b5 42.Qc8 Kb6 43.Nd5 Ka5 44.Qa8 1–0. nay (2190) – valerypavlovich (2120), net–chess.com, 2006.

3.e3 d5 (--> 1.b4 e5 2.b5 d5 3.e3 b6).

3.e3 e4 4.c4 (4.Bb2 Nf6=) 4...Qf6 (4...a6 5.Bb2=+) 5.Nc3 (5.Qc2 Bb7 (< 5...Qa1 6.Bb2 Qa2 7.Nc3 Qb2 8.Qb2+/–) 6.Bb2 Qe7=) 5...Qe7 (5...Bb7 6.Bb2=) 6.Bb2 (6.Nd5 Qd6 7.Qc2 Bb7 8.Qe4 Ne7 9.Nf6 Qf6 10.Qb7 Qa1+–) 6...Bb7 (6...Nf6 7.d3 Bb7 8.a3=) 7.Rb1 (7.Nd5 Bd5 8.cd5 Nf6+=) 7...f5 (7...Nf6 8.d4=) 8.Be2 (8.Nge2 a6=) 8...Qd8 (8...Qg5 9.g3=) 9.d3 (9.Nh3 Nf6+=) 9...Nf6 10.de4 (better is 10.Nh3=) 10...Ne4? (10...Bb4 11.a3 Ba5 12.Nf3 fe4 13.Nd4=) 11.Bf3 (better is 11.Bh5 g6 12.Ne4 Be4 13.Bh8 Bb1 14.Qb1 gh5 15.Nf3+–) 11...Bb4 12.Nge2 g5? (better is 12...0–0+=) 13.0–0+– Bc3 14.Nc3 Rg8 15.Ne4 g4?? 16.Nf6 Kf8 17.Bb7 Rg6 18.Nh7 Kg8 19.Nf6! Kf8 20.Ba8 (better is 20.Qd4!? Qf6 21.Qf6 Rf6 22.Bf6 Kf7+–). Strand – Simicic,S, Gnosjoe Sweden, 1988.

3.e3 g5 4.Nf3 (4.Bb2 Bg7+/–) 4...Nf6 (4...d6!?+=) 5.Ne5+/– Bd6 (5...a6 6.Bb2 Bg7 7.ba6 Ba6 8.Qf3+/–) 6.Nc4 (6.Qf3 Be5 7.d4 d5 8.de5 Ne4+–) 6...Be7 7.Qf3 a5?? (better is 7...d5 8.Ne5 a6+/–) 8.Qa8+– Na6 9.ba6 h5 10.a7 Nd5 11.Qb8 Rh6 12.a8Q Ba6 13.Qd5 Qb8 14.Ne5 Bb7 15.Qf7 Kd8 16.Qg8 Bf8 17.Qf8# 1–0. solidsteel – tshediso, Live Game Caissa's Web, 2005.

3.e4 Bc5 4.Nc3 d6 5.a4 (5.Na4 Bd4 6.c3 Bc5+=) 5...Qf6 6.Nf3 Bg4 (6...Ne7 7.a5=) 7.Be2 Qg6 (7...Ne7 8.a5+=) 8.h3 (8.Ne5!? de5 9.Bg4+/–) 8...Bf3 (8...Be6 9.Nh4 Qf6 10.Nf3=) 9.Bf3+= (< 9.gf3 Qg2 10.Rf1 Qh3=) 9...Nf6 10.g4 (10.h4 0–0=) 10...c6= 11.h4 d5?? (better is 11...Bd4!?=) 12.ed5 (12.h5 Qg5 13.d4 Bd4 14.Bg5 Bc3 15.Ke2 Ba1 16.Qa1 d4+–) 12...cd5? (better is 12...Nd5 13.Nd5 cd5 14.Bd5 Qf6+/–) 13.Nd5 Nd5 14.Bd5 Qf6 15.Qe2 0–0 16.Ba8 Nd7 17.Bc6 Rd8 18.g5 Qf5 (19.d3 Bb4 20.Kd1 Bc3+–). vulpo – xzara, ChessWorld.net, 2005.

3.e4 d5 4.ed5 Qd5 5.Nc3 Qd8 (5...Qe6 6.Qf3 c6 7.Nge2=) 6.Bc4 (better is 6.Qf3 c6 7.bc6+/–) 6...Nd7?? (better is 6...c6+=) 7.Bf7! Kf7 8.Qf3 Ke8 9.Qa8 a6 10.Nf3 ab5 11.0–0 Be7 12.Nb5 Bf6 13.d4 e4 14.Qe4 Qe7 15.Nc7 Kd8 16.Ne6 Ke8 17.Re1 Nb8 18.Ba3 Qa3 19.Nc7 Kf7 20.Qe8# 1–0. dale3 – CaptainCheckmate, Live Game Caissa's Web, 2005.

3.g3 Bb7 4.Nf3 Bf3 (4...a6!?=+) 5.ef3= f6 6.c4 (6.d4 ed4 7.Qd4 a6=) 6...d5 (6...a6 7.f4 ab5 8.fe5 bc4 9.Bc4=) 7.cd5 Qd5 8.Bb2 Bb4 9.Be2 a5 (9...c6 10.Nc3 Bc3 11.dc3=) 10.ba6 (better is 10.a3 Bc5 11.Nc3+=) 10...Na6 (better is 10...Ne7=) 11.f4?? (better is 11.Qa4 c6 12.Ba6 Qf3 13.0–0+– (13.Qb4?! Qh1 14.Bf1 b5+/–)) 11...ef4 (better is 11...Qh1 12.Bf1 ef4–+) 12.Nc3?? (12.0–0 fg3 13.Ba6 gh2 14.Kh2+=) 12...Qh1–+ (13.Bf1 Kf8–+) 0–1. Tarvo (2350) – Schackgalen (1675), ICC, 2003.

3.Bb2 a6

4.c4 a5 (4...d6 5.d4=) 5.a4 (5.Be5 Nf6+/–) 5...Bc5 (5...d6 6.e3=) 6.Be5+= f6 (6...Nf6 7.e3 Bb7 8.Nf3+/–) 7.Bb2 d6 8.e3 Nh6 9.Qf3 Nd7?? (better is 9...Ra7+/–) 10.Qa8+– 0–0 11.Nf3 Ng4 12.Nc3 Qe8 13.Qd5 Kh8 14.Be2 Bb4 15.Bd3 Nde5 16.Ne5 Ne5 17.Bc2 Ng4 18.0–0 Be6 19.Qd3 Qh5 20.Nd5 Qh2# 0–1. Neffgen,Dieter (1740) – Witt,Monika, remoteschach.de, 2005.

4.Be5 d6 5.Bd4 =.

3.Bb2 d6

(--> 1.b4 e5 2.Bb2 d6 3.b5 b6).

4.e3 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5 b6).

3.Bb2 Bd6

4.d4 a6 (better is 4...e4!?=) 5.de5+= Bb4 6.c3 Ba5 7.a4 ab5 8.ab5 c5 (8...Bb7!?+/–) 9.e4 Bb7 10.Nd2 f6? (better is 10...Ne7!?+/–) 11.Nc4+– Bc3 12.Bc3 Ra1 13.Nd6 Ke7 14.Qa1 Be4 15.Ne4 fe5 16.Be5 d6 17.Bg7 Kf7 18.Bh8 Qe8 19.Qg7 Ke6 20.Bc4 Kf5 21.Qg5 Ke4 22.f3# (22.Qg4#) 1–0. Pierred (2200) – Guest242525, Friendly Game, 3m + 0s, 2005.

4.e4 Bb7 (4...Nf6 5.Nf3=) 5.Qg4 (5.d4 ed4 6.Bd4 Nf6= (< 6...Be4 7.Bg7 Qe7 8.Qe2+/–)) 5...g6 (5...Nf6 6.Qg3=) 6.Nf3 (6.d3 a6 7.Nf3 Qe7=) 6...Nf6 7.Qg5 (7.Qh3 Be4 8.Ne5 Qe7=+ (< 8...Bc2 9.Ng4 Qe7 10.Be2 Ng4 11.Bh8+/–)) 7...Qe7 (7...Ne4 8.Qd8 Kd8 9.d3=+) 8.Be5 (8.Bd3 h6 9.Qe3 a6=) 8...Be5=+ 9.Ne5? (9.Qe5 Be4 10.Qe7 Ke7=+) 9...Be4?? (9...h6!? 10.Ng6 Qe4 11.Qe3 fg6 12.Bd3 Qe3 13.de3–+) 10.Bc4? (10.d3 Bf5 11.Qe3 a6=+) 10...d5 (better is 10...d6 11.Bf7 Kd8–+) 11.f3? dc4?? 12.fe4=+ 0–0 13.Rf1 Ne4?? 14.Qf4 Nd6 15.Nc3?? Nd7 16.Nd5 Qe5 17.Qe5 Ne5 18.Nf6 Kg7 19.Nd5 Nb5 20.0–0–0 Rad8 21.Ne7 Rfe8 22.Nf5 Kf8 23.Nh6 c5 24.h4 a5 25.h5 Rd4 26.hg6 hg6 27.Rf6 Rb8 28.Re1 Rd5 29.Nf7 Nf7 30.Rg6 Re5 31.Re3 Re3 32.de3 Nc3 33.Rc6 Na2 34.Kb2 Nb4 35.Re6 Ng5 36.Rf6 Ke7 37.Rf5 Ne4 38.g4 a4 39.Re5 Kf6 40.Re4 Ra8 41.Rf4 Kg5 42.Rc4 a3 43.Ka1 a2 44.e4 Ra3 45.e5 Re3 46.c3 Re1 47.Kb2 a1Q (48.Kb3 Qa2#) 0–1. manofsteel5 – moi, Live Game Caissa's Web, 2005.

4.Nf3 a6 5.Ne5 Be5 6.Be5 f6 7.Bb2 ab5 8.e3 c5 (8...c6!?+/–) 9.Bb5+– Bb7 10.0–0 Ne7 11.d3 Bd5 12.e4 Be6 13.d4 0–0 14.d5 Bf7 15.Qg4 Ng6 16.f4 d6 17.f5 Ne5 18.Qh4 g5 (better is 18...Qe7!?+/–) 19.fg6+– Ng6? (19...Bg6 20.Qg3 Na6+–) 20.Bf6 (better is 20.Qf6 Qf6 21.Rf6+– (21.Bf6?! Be8 22.Nc3 Nd7+–)) 20...Qc8?? (better is 20...Nh4 21.Bd8 Rd8=+) 21.Qh6 (21...Bd5 22.Qg7#) 1–0. GorillaTest – turkishdelight, Live Game Caissa's Web, 2004.

4.Nf3 Qe7 5.e4 (5.a4 a6+=) 5...Nf6= 6.Bd3 (6.Nh4 Ne4 7.Nf5 Qf6+=) 6...a6 7.a4 ab5 8.ab5 0–0?? (better is 8...Ra1 9.Ba1 Bb7=) 9.Ra8+– c5 10.Nh4 Bc7 11.Nf5 Qe6 12.0–0 Bb7 13.Ra7 g6 14.Rb7 Rc8 15.Ne3 d6 16.Bc4 Qd7 17.Nc3 h5 18.Qf3 Qe7 19.Qg3 Kf8 20.Qh3 Nbd7 21.Ra1 Kg7 22.Raa7 Nf8 23.Qc8 Ng4 24.Ng4 hg4 25.Rc7 (25...Qd7 26.Rd7 d5 27.Rf7 Kh6 28.Qg4 g5 29.Rf6 Ng6 30.Qh3#) 1–0. tschulz – icke, MySchachOpen, 2005.

4.Nf3 f6 5.e3 (5.e4 Bb7=) 5...a6 6.Nh4 (6.Nc3 Bb7=) 6...g6 (6...Nh6 7.Nc3=) 7.Nc3 Bb7 (7...c6 8.ba6 Bb4 9.a3 Bc3 10.Bc3 Ba6 11.d3=) 8.Bc4 (8.Be2 ab5 9.Nb5 Be7=) 8...Ne7 (8...ab5 9.Bb5 Bb4 10.0–0=) 9.0–0 c6 (9...Bb4 10.f4 d5 11.Bb3=) 10.Qf3 (better is 10.Ne4 Nc8 11.ba6 Ba6 12.Ba6 Ra6 13.d4+=) 10...ab5?? (better is 10...Nc8 11.Qh3 Rf8 12.bc6 Bc6+=) 11.Ne4+– (11.Qf6?! Rf8 12.Qd6 bc4+–) 11...bc4 (11...Nc8 12.Nf6 Qf6 13.Qf6 Rf8+–) 12.Nd6 Kf8 13.Qf6 Kg8 14.Qf7# 1–0. Wall,Bill – ComicalKid, internet, 2004.

4.Nf3 Nf6 5.Ne5+= 0–0 6.e3 Be5 7.Be5 Bb7 8.c4 d6 9.Bb2 Nbd7 10.d4 a6 11.Nc3 ab5 12.cb5 Qe7 (12...Nd5 13.Qf3 N7f6 14.Bd3+/–) 13.Qb3 (13.d5 Ne4+/–) 13...Ng4 14.Be2 Qh4 (14...Bg2? 15.Rg1 Ne3 16.fe3 Qh4 17.Kd2 Qh2 18.Qc4+–) 15.g3 Qh3 16.Bg4 Qg4 17.0–0 Rfe8 18.Rac1 Nf6 19.d5 Qh3 20.f3 Re3 21.Qc4 Rae8 22.Rcd1 R8e7 23.a4 h5 (better is 23...Qf5–/+) 24.Qc7?? (better is 24.Qd4+=) 24...Rc7–+ 25.Rd4 Rcc3 26.Bc3 Rc3 27.Rh4 Qc8 28.Rf2 Rc1 29.Kg2 Ng4! (29...Ng4 30.Re2 Rc2 31.Rd2 Rd2 32.Kh3 Rh2#) 0–1. Tiedemann,Joern (1810) – Juha,Michael (1640), RSS7E adv–28, 2006.

4.g3 Bb7 5.Nf3 =.

4.g3 Nf6 5.Nf3 Bb7 6.Bg2 e4 7.Ng5 h6 (7...a6 8.Nc3 Qe7 9.d3=) 8.Nh3 (8.Bf6!? Qf6 9.Ne4 Be4 10.Be4 Qa1 11.Ba8+/–) 8...0–0 9.Nc3 Re8 10.0–0 a6 11.d4 (11.a4 Bc5=) 11...Ra7 (11...ab5 12.Nb5 Bf8 13.c4=+) 12.d5 (12.a4 Bf8=) 12...e3 (12...Be5 13.a4=+) 13.f3 (13.a4 ef2 14.Nf2 Bc5=) 13...Nh5 (13...Be5!?=+) 14.f4 ab5 15.Nb5 Ra5 16.Nd6 cd6 17.Bf3 Nf6 18.c4 Na6 19.Bc3 Rc5 20.Qd4 Qc8 21.Qd3 Rc4 (better is 21...Nd5!? 22.Bd5 Bd5=+) 22.Bf6+= gf6 23.Qf5 Nc5 (better is 23...Qd8=) 24.Qf6+– Ne4 25.Qh6 Bd5 26.Ng5 Ng5?? (26...Qc5+–) 27.Qg5 (27.fg5?! Re6 28.Qh5 Bf3 29.Qf3 Qf8+/–) 27...Kf8 28.Qd5 (28.Bd5 Rc5+–) 28...Qc7 (28...Qc5 29.Qb7+–) 29.Bh5 Re7 30.a4 Rc5 31.Qf3 b5 32.ab5 Rb5 33.Ra8 Kg7 (33...Rb8+–) 34.Qg4 Kf6 35.Qh4 Ke6 36.Bg4 f5 37.Qh6 Kd5 38.Rd1 Kc6 39.Bf3 Kb6 40.Rd6 Kc5 41.Rd5 Kb4 42.Ra1 Rd5 43.Rb1 Ka5 44.Ra1 Kb5?? 45.Qa6 Kb4 46.Rb1 Kc5 47.Rc1 (47...Kb4 48.Rc7 (48.Bd5?! Qc1 49.Kg2 Qc5=) 48...Rd1 49.Kg2 d5 50.Qb6 Ka3 51.Re7 Rd4 52.Ra7 Ra4 53.Bd5 Ra7 54.Qb3#; 47.Qb5 Kd4 48.Qd5 Kc3 49.Qd3#) 1–0. MasterofDisaster – notbad, Live Game Caissa's Web, 2004.

4.g3 Nf6 5.Bg2!? c6 6.Nf3 =.

3.Bb2 Qe7

4.e4 Nf6 5.Nc3 Bb7 6.d3 (6.Qe2 a6=) 6...a6+= 7.a4 a5 (7...Qb4 8.Rb1+=) 8.Nf3= h6 9.Be2 c6 (9...d5!? 10.0–0 de4 11.de4 Nbd7=) 10.0–0+/– d6 11.Ba3 (11.d4!?+/–) 11...c5+= 12.Nd2 d5 (12...Nbd7 13.Nc4+=) 13.ed5 Nd5 14.Nde4 (14.Nd5 Bd5 15.Bf3 Qe6+/–) 14...Nc3 15.Nc3 Qe6 16.Bf3 Bf3 17.Qf3 Bd6?? (better is 17...Ra7+/–) 18.Qa8+– 0–0 19.Nd5 Nd7 20.Qc6 e4 21.de4 Ne5 22.Qb6 Nd7 23.Qa6 Qe5 24.f4 Qd4 25.Kh1 Qe4 26.Qd6 Rd8 27.Ne7 Kh8 28.Nc6 Re8 29.Qd7 Re6 30.Ne5 Qf5 31.Nf7 Kh7 32.Rae1 Kg6 33.Re6 Kh7 34.Nh6 Qc2 35.Ng4 Qf5 36.Rh6 Kg8 37.Qf5 gh6 38.Qg6 Kf8 39.Bc5# 1–0. Tiedemann,Joern (2125) – Witt,Monika (1605), remoteschach.de, 2007.

4.Nf3 f6 5.Nc3 Bb7 6.e4 c6 7.a4 cb5 8.ab5 a6 9.Ba3 Qf7 10.ba6 Ba6 11.Nd5 Ba3 12.Nc7 Kd8 13.Na8 Bb2 14.Ba6 Ba1 15.Qa1 Na6 16.Qa6 Qe6 17.Nb6 Ke7 18.d4 Nh6 19.Qb7 Rd8 20.de5 fe5 21.Qc7 Qg4 22.Nd5 Ke8 23.Qe5 Qe6 24.Nc7 Kf8 25.Ne6 de6 26.Ng5 Nf7 27.Qc7 Kg8 28.Qf7 Kh8 29.Ne6 Rg8 30.c4 (30...h6 31.Qg6 Rc8 32.Qg7#) 1–0. miehnekort – muertolh, Yahoo, 2005.

3.Bb2 Qf6

4.Nf3 d6

5.e3 a6 6.d4 e4 7.Nfd2 =.

5.e3 h6 6.Nc3+= Be6 (6...Bb7 7.Bc4+=) 7.Ne4 (7.d4 Nd7+/–) 7...Qe7 8.Be2 (8.a4 Nf6 9.Nf6 Qf6+=) 8...f5 (8...Nf6 9.Nf6 Qf6 10.0–0+=) 9.Ng3 Nd7 (9...a6 10.ba6 c6 11.0–0+=) 10.c4 Nc5 (10...f4!? 11.Ne4 Ngf6 12.Nf6 Qf6+=) 11.Qc2 e4 12.Nd4 0–0–0 (better is 12...Qd7!?+/–) 13.Nc6+– Qd7 14.Nd8 Kd8 (14...Qd8 15.0–0 Nf6 16.f3+–) 15.Nh5 (better is 15.0–0+–) 15...Nf6?? (15...Kc8+–) 16.Nf6 gf6 17.Bf6 Be7 18.Bh8 Nd3 19.Bd3 ed3 20.Qd3 Bg5 21.a4 Qf7 22.Rc1 Bd7 23.h4 Bf6 24.Bf6 Kc8 25.Bc3 f4 26.Qe4 d5 27.Qf4 Qf4 28.ef4 dc4 29.Bg7 h5 30.Rc4 Kb7 31.Ke2 c5 32.bc6! Bc6 33.f3 a5 34.Rhc1 Bd5 35.Rc7 Ka6 36.f5 b5 37.f6 b4 38.f7 Bf7 39.R1c6 1–0. pumpkin (2485) – valerypavlovich (2115), net–chess.com, 2004.

5.e3 h6 6.h3 Bf5 (6...a6 7.d4 e4 8.Nfd2=) 7.c4 (7.Nc3 a6+=) 7...Nd7 8.Be2 (8.Nc3 Ne7+=) 8...Nc5 (8...Be7 9.d3=) 9.d4+= ed4 10.Bd4 Qg6 (better is 10...Qe6!?+=) 11.Nh4+– Qg5 12.Nf5 Qf5 13.0–0 (13.Bf3 Rb8+–) 13...Ne4 (better is 13...Nf6!?+/–) 14.Bd3 f6?? (14...Qe6 15.Qf3 f5+–) 15.Nd2 Nf2 16.Bf5 Nd1 17.Rad1 Ne7 18.Be4 Rb8 19.Rf2 Kd7 20.Nf1 h5 21.Ng3 Rh6 22.Nf5 Nf5 23.Bf5 Kd8 24.a4 Be7 25.c5 g5 26.e4 bc5 27.Bc5 Rb7 28.Be6 g4 29.Be3 Rg6 30.hg4 hg4 31.Bd5 g3 32.Rc2 Kc8 33.Bb7 Kb7 34.Rdc1 Bd8 35.Rc6 Rg4 36.R1c4 Rh4 37.Kf1 Rh1 38.Ke2 Rh2 39.Kf3 Rh1 40.Kg3 Re1 41.Bf2 Ra1 42.Ra6 Ra3 43.Kf4 Ra2 44.Ra7 Kc8 45.Kf3 Ra3 46.Be3 Kd7 47.a5 Ke6 48.b6! cb6 49.ab6 Re3 50.Kf4 Bb6 51.Ra6 Rb3 52.Rc6 Bc5?? 53.Rc5 Rb2 54.g3 Rf2 55.Ke3 Rg2 56.Kf3 Rd2 57.Rd5! Rd5 58.ed5 Kd5 59.Kf4 Ke6 60.g4 Kd5 61.Kf5 Kc5 62.Kf6 d5 63.Ra5 Kc4 64.Rd5! Kd5 65.g5 1–0. pumpkin (2255) – valerypavlovich (2025), net–chess.com, 2003.

5.e4 Qg6 6.Nc3 a6 =.

5.g3 a6 6.Bg2 ab5 7.Ne5 c6 8.Nd3 Qe6 9.Nf4 Qf5?? (better is 9...Qe7+=) 10.Bh3+– Qe4 11.f3 Qb4 12.Bc3 (12.Bc8?! Qb2 13.Nc3 b4=) 12...Qa4 (12...Qf4 13.gf4 (13.Bc8?! Qa4=) 13...Bh3 14.e4+–) 13.Bc8 b4 14.Bb2 Nd7 15.Bd7 Kd7 16.a3 ba3 (16...Qb5+–) 17.Ra3 1–0. Fritz 11 – kevin_falk, internet, 2014.

3.Nc3 Bb7

4.Rb1 a6 5.a4 =.

4.Rb1 Nf6 5.Nf3 Bd6 6.Rb3 c5 7.Na4 a6 8.Nc3 c4 9.Rb1 0–0 10.a4 e4 11.Nh4?? Ng4–+ 12.Nf5 Qf6 13.f3 ef3 14.ef3 Re8 15.Be2 Qf5 16.fg4 Qg4 17.0–0 Qg2# 0–1. Jolilein – Pocket, mySchach.de, 2005.

4.Rb1 Qg5 5.e4 h5 6.d3 Qf6 7.Nh3 Bb4?? 8.Bg5 Bc3–+ 9.Bd2 Bd4 10.Rb4 Bc8 11.Bg5 Qd6 12.Rc4 Qa3 13.Rc7 Qb4?? 14.Ke2?? Ne7 15.Be7 Ke7 16.Rc4? Qb5 17.Rd4 ed4 18.c4 Qa5 19.Qa1 Nc6 20.Nf4 Kd8 21.Kf3 d6 22.Be2 Ne5 23.Kg3 h4# 0–1. Jolilein – Kitama, mySchach.de, 2005.

4.e3 Nf6 5.Rb1 d6 6.Bc4?? d5 7.Be2=+ Be7 8.Nf3 e4 9.Ne5 Bd6 10.f4 ef3 11.Nf3= h6 12.Nd4 a6 13.a4 a5 14.Bg4 Ng4= 15.Qg4 0–0 16.Nf5+= Qg5 17.h3 Nd7 18.0–0 Ne5 19.Qd4 f6? 20.Nd5 Bc5 21.Qe4 Rfe8?? 22.Nfe7?? Be7 23.Rf5 Qg6 24.Ne7 Re7 25.Qb7 Ree8 26.Qd5 Kh7 27.e4+/– Rad8 28.Qb7 Rd7 29.Rb3 Qf7 30.Bb2 Qg8 31.Rc3 Ree7 32.Rc6?? Nc6–+ 33.Qc6 Rd6 34.Qc3 Rde6 35.d3=+ Qf7 36.g4 g6 37.Rd5 g5 38.Kf2 Kg6 39.Kf3 Re5= 40.Rd4 h5 41.h4?? Kh6?? 42.Bc1 Kg6 43.Qe1 Qe6 44.gh5= Kh6 45.Qg3 Rf7 46.Bf4 c5? 47.Rd8+– Kh7 48.Kg2 g4+/– 49.h6 Rh5 50.Rd6+– Qc8 51.Rb6 Rh6?? 52.Rb8 Qd7 53.Bh6 Kh6 54.Qe3 Kg7 55.Qc5 Qe6 56.Qh5 Rf8 57.b6 Rb8–/+ 58.Qa5 Rb6 59.Qa7 Kf8 60.a5 Rb2 61.Qc5 Kg7 62.Qc3? Ra2 63.Qc4?? Qc4–+ 64.dc4 Rc2 65.Kg3 Rc4 66.Kg4 Re4 67.Kh3 Re8 68.h5 Rg8 69.Kh4 Kh6 70.a6 f5 (71.a7 f4–+) 0–1. Jolilein – MichaelKnopf, mySchach.de, 2005.

4.e4 Nf6 =.

4.Nf3 e4 5.Nd4 a6 =.

3.e3 Bb7

4.Bb2 d6 5.d4 a6 6.de5+= de5 7.Be5 ab5 8.Bb5 Nd7 9.Nf3 c6 10.Bc4 b5 11.Bb3 Ngf6 12.Bb2 Bb4 13.c3 Be7 14.0–0 0–0 15.c4 b4 16.a3 c5 17.ab4 Ra1 18.Ba1 cb4 19.Nbd2 Bc5 20.Bd4+/– Qc7 21.Qc2 Ra8 22.Rd1 h6 23.Qb2 Bc6 24.Nh4 Bd6 25.h3 Bb7 26.Nf5 Qc6 27.f3 Bf8 28.Bc2 g6 29.Ng3. Van Rooijen,Peter – Bongiovanni,Claudio, CC.2003.0.00054, 2003.

4.Bb2 d6 5.f3 a6 6.ba6 Na6 7.d4 =+.

4.Bb2 d6 5.f3 g6 6.g3 Bg7 7.e4 f5 8.d3 fe4 (8...Ne7 9.Nh3–/+) 9.fe4 Nf6 10.Bg2 Nh5 11.Ne2 Qd7 12.a4 Qg4 (12...0–0 13.Rf1=) 13.Nbc3 Nd7 (13...0–0 14.h3 Qg5 15.Qc1=) 14.Nc1 (Better is 14.h3!? Qg5 15.Bc1+/–) 14...Qd1 15.Nd1 a6 16.ba6 Ra6 17.0–0 Rf8 18.Ne3 Rf1 19.Nf1 Bh6 20.Ne2 Nc5 21.Ne3?? Ra4 22.Ra4?? Na4 23.Bc1–/+ Nf6 24.c4 c5 25.Nd5 Nd5 26.Bh6 Ne7 27.Bg5 Kf7 28.Bh3 Nb2 29.Nc1 Bc8 30.Bc8 Nc8–/+ 31.Bd8 Ke8 32.Bc7? Kd7–+ 33.Bb8 Na4 34.h4 Kc6 35.g4 Kb7 36.Bd6 Nd6 37.Kg2 Nb2 38.Kg3 Kc7 39.h5 g5 40.Kf3 b5 41.cb5 Nb5 42.Ke3 Nd6 43.Nb3 c4 44.dc4 Nbc4 45.Kd3 Kc6 46.h6 Kb5 47.Nd2 Nd2 48.Kd2 Ne4 49.Ke3 Nf6 50.Kf3 Kc5 51.Kg3 Kd5 52.Kf3 Ng8 53.Ke3 Nh6 54.Kf3 Kd4 55.Kg3 Kd3 56.Kf3 e4 57.Kg3 Kd2 58.Kf2 e3 59.Kf1 Ng4 60.Kg2–+ e2 61.Kg3 h5 62.Kh3 e1Q (63.Kg2 Qf2 64.Kh3 Qf3#) 0–1. MasterofDisaster – kdfoerster, Live Game Caissa's Web, 2004.

4.Bb2 f6 5.d4 ed4 6.Bd4 =.

4.Nc3 d5 5.Na4 Nf6 6.Bb2 Nbd7 7.Qc1 Bd6 8.Nf3 0–0 9.Ng5 h6 10.Ne6?? fe6–+ 11.Nc3 c5 12.Ne2 d4 13.Ng3 Ne4 14.Ne4 Be4 15.f3 Bb7 16.h4 e4 17.f4 e5 18.Bc4 Kh8 19.g3 ef4 20.ef4 e3 21.de3 Bh1 22.Kd2 de3 23.Kc3 Bb7 24.Qe3 Nf6 25.Rg1 Bd5 26.Bd3 c4! (27.Kd2 Re8–+) 0–1. steelkingdom – ThisSiteIsCrap11, Live Game Caissa's Web, 2004.

3.e4 Bb7

4.Nc3 Nf6 5.Bb2 Bc5 6.Bc4 0–0 7.Nh3 c6 8.bc6 Bc6 9.g4? d5 10.ed5 Nd5 11.Bd5 Bd5 12.g5?? Bh1–+ 13.g6 fg6 14.f4 ef4 15.Nf4 Qh4 (16.Ke2 Qh2 17.Kd3 Qg3 18.Kc4 Rf4 19.d4 Nc6 20.Ne4 Na5 21.Kb5 a6 22.Ka4 b5 23.Ka5 Re4 24.Qh1 Qc7#) 0–1. blacksteelpipe – heath, Live Game Caissa's Web, 2005.

4.Nc3 Nf6=+ 5.Bb2 Ne4 6.Ne4= Be4 7.Qe2 Bb7 8.Be5+= Qe7 9.Nf3 d6 10.Bc3 Qe2 11.Be2+= Nd7 12.0–0+/– Nf6 13.Rfe1 Be7 14.Bc4 d5 15.Bd3 Kd7? 16.Bf5+– Kd8 17.Ng5 Rf8 18.Re7! Ke7 19.Bb4 Kd8 20.Bf8 c6 21.Bg7 Ne8 22.Re1 Ng7 23.Nf7 Kc7 24.Re7 Kb8 25.Nd6 Nf5 26.Rb7 (26.Nb7?? Ne7 27.Nd8 cb5–+; 26.Nf5 cb5 27.f4 d4 28.Nd4 Bd5 29.Nb5 Ba2+–) 1–0. pierre – jogosh, internet, 2008.

4.Nc3 Nf6 5.Nf3 Bb4 =.

4.Nc3 Nf6=+ 5.Nf3 Bc5 6.Ne5 Bd4 7.Nf3 Bc3 8.dc3 Ne4 9.Qd4 0–0 10.Bd3 Nc5 =+.

4.d3 a6 A) 5.Nf3 Bc5 6.Nc3 Qe7 7.Be2 Bf2 8.Kf2 Qc5 9.Be3 Qc3 10.Qd2 Qd2=+; B) 5.ba6 Na6 6.Nf3 Bc5 7.c3 Qe7 8.Be2 d5 9.d4 ed4 10.ed5 dc3=.

4.d3 d5 5.Nf3 Nd7 =.

4.d3 Bd6 5.Nf3 a6 (5...0–0 6.Nbd2 a6 7.Bb2 ab5 8.Ne5 Nc6 9.Ng4 Be7 10.Be2 b4=; 5...Bb7 6.Bb2 Qe7 7.Be2 a6 8.a4 0–0 9.0–0 Ng4 10.Nfd2 Nh6=) 6.ba6 Na6 7.c3 0–0 8.Be2 Re8 9.0–0 Bf8 10.Bg5 Bb7+=..ed5 Nd5 8.Qe2 Nd7 9.Ba3 Qe6 10.Bf8 Rf8=+; B) 5.Nf3 B1) 5...Nf6 6.Bb2 d6 7.Be2 a6 8.a4 Qd7 9.Nc3 Be7 10.0–0 0–0=; B2) 5...a6 6.ba6 Na6 7.Be2 Nf6 8.Bb2 d6 9.0–0 Nc5 10.Nc3 Qd7=.

4.d3 Nf6 5.Nf3 g6 6.Ne5+= Bg7 7.Qf3 0–0 8.Bg5 d6 9.Ng4+/– Nbd7 10.Nc3?? Qe8?? 11.Bf6 Nf6? 12.Nf6 Bf6 13.Qf6 Qd7 14.h4 h5 15.Rg1 Kh7 16.Be2 Rg8 17.g4 Rg7 18.gh5 Kg8 19.0–0–0 Rf8 20.f4 Qe6 21.e5 de5 22.fe5 Qf6 23.ef6 Rh7 24.hg6 fg6 25.Rg6 Kh8 26.h5 Bc8 27.Ne4 Bf5 28.Rg5 Be4 29.de4 Rhf7 30.e5 c5 31.bc6 a5 32.Rd7 (32...Rg8 33.Rg8 Kg8 34.c7 Rd7 35.c8Q Rd8 36.Qd8 Kh7 37.Qe7 Kg8 38.Qg7#) 1–0. Guscebru – Russkygb, internet, 2008.

4.Nf3 a6 5.Ne5 ab5 6.Bb2 Nf6 7.Bb5 Qe7 8.Bc4 Be4 9.0–0 d5 10.Bb5 Nfd7 +/–.

4.Nf3 Bd6 5.d4 A) 5...ed4 6.Qd4 Nf6 7.Bg5 Be7 8.Bd3 a6 9.e5 Ng8 10.Be7 Qe7=; B) 5...Be4 6.Ne5 Qe7 7.Qe2 Be5 8.de5 Qe5 9.c4 f6 10.Bb2 Qe7=+.

4.Nf3 Nf6 5.d3 Bc5 =.

4.Qg4 Nf6=+ 5.Qf5 Be4 6.Qe5 Be7 7.Bd3?? Bg2–+ 8.f3 Bh1 9.Bb2 0–0 10.Nc3 Re8 11.Qf5 g6 12.Qh3 Nh5 13.0–0–0 Nf4 14.Qh6 Nd3 15.cd3 Bf6 16.Nh3 Bf3 17.Rf1 Bg7 18.Qf4 Bd5 19.Nd5–/+ Bb2 20.Kb2= f5 21.Nc7 Qf6 22.d4 Re4?? 23.Qf2 Rd4–+ 24.Kc1 Rc4 25.Kd1 Rc7 26.Re1 Qf7 27.Ng5 Qa2 28.Re8 Kg7 29.Qd4 Kh6 30.Nf7 Qf7 31.Qh4 Kg7 32.Qd4 Qf6?? 33.Re7 Kh6 34.Qf6 Nc6 35.Qg7 Kg5+– 36.bc6 Rc6 37.Qh7 Rac8 38.h4 Kf4 39.Qh6 Kf3 40.Re3 Kf2 41.Qf4 (41...Kg2 42.Qg3 Kf1 43.Re1#) 1–0. manofsteel5 – gagneur, Live Game Caissa's Web, 2005.

4.Qh5 A) 4...Be4 A1) 5.Qe5 Qe7 6.Qe7 Ne7 7.Nc3 Bb7 8.Nge2 Nf5 9.Bb2 a6 10.f3 Be7=+; A2) 5.d3 Bb7 6.Qe5 Qe7= 7.Bf4 d6 8.Qe2 a6 9.c4 ab5 10.cb5 Nf6=; B) 4...d6 5.Bc4 Qd7 6.Nc3 Nf6 7.Qe2 a6 8.ba6 Na6 9.Nf3 Be7 10.0–0 0–0=; C) 4...Qe7 5.Nc3 Nf6 6.Qf5 a6 7.Nf3 ab5 8.Bb5 g6 9.Qe5 Qe5 10.Ne5 Ne4=+.

3.e4 Nf6

4.Bb2 A) 4...a6 A1) 5.Nf3 d6 (5...Bc5 6.Ne5 ab5 7.Bb5 Qe7 8.Qe2 Bb7 9.f3 0–0 10.Nd3 Ra5+/–; 5...Ne4 6.Ne5 Qf6 7.Qe2 Bb7 8.f3 Qh4 9.g3 Ng3 10.hg3 Qg3+–) 6.d4 Ne4 7.Bd3 Bb7 8.de5 Nc5 9.Be2 ab5 10.Bb5 Nbd7=; A2) 5.f3 ab5 6.Be5 b4 7.Bc4 Be7 8.Ne2 Nc6 9.d4 0–0 10.0–0 Ne5+=; A3) 5.Qf3 Bb7 6.Bd3 Qe7 7.Qf5 d6 8.Nc3 ab5 9.Bb5 c6 10.Be2 Na6+=; A4) 5.Qe2 ab5 6.Be5 Nc6 7.Bb2 Nb4 8.e5 Nfd5 9.Kd1 Ra2 10.Ra2 Na2+=; A5) 5.Nc3 ab5 6.Bb5 c6 7.Be2 Bb4 8.a3 Ba5 9.Bf3 0–0 10.Nge2 d6+=; A6) 5.Be5 Ne4 6.Qe2 d5 7.d3 Qe7 8.de4 Qe5 9.ed5 Qe2 10.Be2 Bb7+=; B) 4...Bc5 5.Be5 d6= (5...Ne4 6.Qg4 Nf2 7.Qg7 Rf8 8.Bf6 Qf6 9.Qf6 Nh1 10.d4 Be7+–) 6.Bb2 Ne4 7.d4 Bb4 8.c3 Ba5 9.Bd3 Qh4 10.Qe2 Bf5=; C) 4...Bb7 C1) 5.f3 Ne4 (5...Qe7 6.Ne2 a6 7.d4 ed4 8.Nd4 ab5 9.Bb5 Qe5 10.Bc3 Nd5+=; 5...Bd6 6.d4 ed4 7.Bd4 0–0 8.Bc4 Qe7 9.Ne2 a6 10.Nbc3 Be5=; 5...d6 6.d4 ed4 7.Bd4 a6 8.a4 d5 9.ed5 Nd5 10.Qe2 Ne7=) 6.Qe2 Nc5 7.Be5 Ne6 8.Nh3 a6 9.Nc3 Be7 10.Nf4 0–0+=; C2) 5.Nf3 Bc5 (5...Ne4 6.Ne5 Qf6 7.Qe2 Bc5 8.f3 Qh4 9.g3 Bf2 10.Kd1 Bg3+–; 5...d6 6.d3 a6 7.a4 Be7 8.Be2 0–0 9.Nc3 Nbd7 10.0–0 c6=; 5...Be4 6.Be5 d6 7.Bd4 Qe7 8.Be3 Nd5 9.c4 Ne3 10.fe3 a6=) 6.Ne5 Ne4 7.d4 Bb4 8.c3 Bd6 9.Qh5 Qe7 10.f3 Nf6=; C3) 5.Nc3 Bb4 (5...a6 6.Nf3 ab5 7.Bb5 Ba3 8.Ba3 Ra3 9.Ne5 Qe7 10.Nc4 Ne4=; 5...Bc5 6.Nf3 d6 7.d4 ed4 8.Nd4 Ne4 9.Ne4 Be4 10.Qg4 Bg6+=; 5...Bd6) 6.a3 Bc5 7.Na4 Bd6 8.Nf3 Ne4 9.d3 Nf6 10.Ne5 0–0–/+; C4) 5.Bd3 Ne4 6.Qe2 Nc5 7.Qe5 Qe7 8.Bf1 Ne6 9.Ba3 d6 10.Qe3 Nd7+=; C5) 5.Be5 Ne4 6.Qe2 f6 7.Bf4 Be7 8.Qh5 g6 9.Qe2 a6 10.Nh3 ab5+=; C6) 5.d3 d5 (5...d6 6.Nf3 a6 7.a4 Be7 8.Be2 0–0 9.Nc3 Nbd7 10.0–0 c6=; 5...Bd6 6.Nf3 Qe7 7.Be2 a6 8.a4 0–0 9.0–0 Ng4 10.Nfd2 Nh6=; 5...Bb4 6.Nd2 d5 7.Be5 Nbd7 8.Bd4 de4 9.c3 Bc5 10.de4 Bd4=; 5...Qe7 6.Nf3 d6 7.Be2 a6 8.a4 Qd7 9.Nc3 Be7 10.0–0 0–0=) 6.Be5 de4 7.de4 Qd1 8.Kd1 Ne4 9.Nh3 c5 10.f3 Nd7=; D) 4...d6 D1) 5.Nc3 a6 (5...Be7 6.d4 ed4 7.Qd4 a6 8.Nf3 0–0 9.a4 c5 10.Qd3 Be6=; 5...Bb7 6.d4 ed4 7.Qd4 Qe7 8.Bd3 d5 9.e5 c5 10.bc6 Nc6+=; 5...Nbd7 6.d4 Be7 7.Nf3 a6 8.ba6 0–0 9.Bb5 Ba6 10.Ba6 Ra6=; 5...Bd7 6.Nf3 a6 7.a4 Be7 8.Bc4 c6 9.d4 Qc7 10.0–0 0–0=) 6.d4 Bg4 7.Be2 Be2 8.Qe2 ed4 9.Nd5 ab5 10.Bd4 Be7+=; D2) 5.f3 a6 6.d4 ed4 7.Bd4 Be7 8.Nc3 0–0 9.Kf2 Be6 10.Rb1 ab5+=; D3) 5.Qf3 Bg4 (5...a6 6.d4 Bg4 7.Qe3 ed4 8.Bd4 Be7 9.Nf3 0–0 10.c4 ab5+=; 5...Be6 6.d4 d5 7.ed5 e4 8.Qe3 Qd5 9.c4 Qf5 10.Nc3 a6=; 5...Bb7 6.Nc3 a6 7.Nh3 Be7 8.Bc4 ab5 9.Bb5 c6 10.Be2 0–0=; 5...c6 6.bc6 a6 7.Bc4 Nc6 8.Nc3 Bg4 9.Qg3 Nd4 10.Rc1 Qc7=) 6.Qe3 a6 7.d4 ed4 8.Bd4 Be7 9.Nf3 0–0 10.Nc3 ab5+=; D4) 5.d4 Ne4 (5...ed4 6.Qd4 a6 7.Nc3 Be7 8.Nf3 0–0 9.a4 c5 10.Qd3 Be6=; 5...Qe7 6.de5 de5 7.Bd3 a6 8.Nf3 Nbd7 9.a4 Qe6 10.Ng5 Qd6=) 6.Qe2 Bb7 7.de5 d5 8.a3 a6 9.Nd2 ab5 10.Ne4 de4=.

4.Nc3 A) 4...Bb4 A1) 5.Qf3 a6 6.Nd5 Nd5 7.ed5 d6 8.Be2 0–0 9.Rb1 Bc5 10.a3 ab5–/+; A2) 5.Nf3 0–0 (5...a6 6.ba6 Ba6 7.Ba6 Bc3 8.Bb7 Ba1 9.Ba8 Na6 10.Bd5 c6=) 6.Rb1 Bc3 7.dc3 a6 8.Bg5 ab5 9.Ne5 Qe7 10.Qd4 Ra4–+; A3) 5.Bb2 d6 6.Bc4 a6 7.Nd5 Bc5 8.Qf3 ab5 9.Nf6 Qf6 10.Qf6 gf6+=; A4) 5.Nd5 Nd5 6.ed5 0–0 7.Qh5 a6 8.a3 ab5 9.Bb2 Bc5 10.Bb5 Bb7+=; A5) 5.Bc4 Bc3 6.dc3 a6 7.Nf3 ab5 8.Bb5 Qe7 9.Bd3 0–0 10.0–0 d6–/+; A6) 5.Bd3 0–0 (5...a6 6.Nd5 Nd5 7.ed5 ab5 8.Qg4 Bf8 9.Qe4 Bb7 10.Bb5 Bd6+=; 5...Bb7 6.Qf3 a6 7.Nge2 0–0 8.0–0 ab5 9.Bb5 c6 10.Bd3 d5+=) 6.a3 Bc3 7.dc3 a6 8.c4 Bb7 9.Bg5 h6 10.Bh4 ab5+=; B) 4...Bc5 5.Bb2 (5.Nf3 Ng4 6.d4 ed4 7.Na4 Bb4 8.Ke2 c5 9.c3 Qe7 10.Ng5 h6–/+) 5...d6 6.Nf3 a6 7.d4 ed4 8.Nd4 Qe7 9.Nb3 Bb4 10.f3 d5+=.

4.d3 a6+= 5.Nf3 (5.Bb2 ab5 (5...d6 6.a4 Be7 7.Nc3 0–0 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 c5=) 6.Be5 Nc6 7.Bf4 d5 8.e5 Ra4 9.Qd2 Nh5 10.Bg5 Be7–/+; 5.ba6 Bc5 (5...Nc6 6.Nf3 Bc5 7.Be2 d5 8.ed5 Nd5 9.0–0 0–0 10.Bb2 Re8+=; 5...d5 6.ed5 Qd5 7.Nf3 Na6 8.Bd2 Bc5 9.Nc3 Qd6 10.Nb5 Qe7+=; 5...Na6 6.Nf3 Bc5 7.c3 Qe7 8.Be2 0–0 9.0–0 d5 10.d4 de4+=; 5...Ba6 6.Nf3 Bc5 7.Be2 0–0 8.Bg5 Nc6 9.0–0 Qe7 10.Nbd2 h6+= –; 5...Be7 6.Nf3 d6 7.Nc3 0–0 8.d4 ed4 9.Qd4 Be6 10.Bb5 c6+= –0.31) 6.Nf3 Ng4 7.d4 ed4 8.h3 Nf6 9.e5 Qe7 10.Be2 Ne4+= –0.66) 5...Bb4 (5...Bc5 6.ba6 0–0 7.Be2+= (7.Bg5 h6 8.Bh4 d6 9.c3 Na6 10.Be2 g5+=) 7...d5 8.ed5 Qd5 9.0–0 Na6 10.Bb2 Re8+=; 5...d5 6.Ne5 de4 7.d4 Bd6 8.Be2 0–0 9.0–0 ab5 10.Bb5 Ba6+=) 6.Bd2 (6.c3 Bd6= 7.ba6 0–0 8.Be2 Ba6 9.0–0 Qe7 10.Be3 Nc6=) 6...Bd2 (6...Qe7 7.c3 Bc5 8.Be2 ab5 9.d4 Bd6 10.Bg5 ed4+=) 7.Qd2 (7.Nbd2 Qe7 8.a4 0–0 9.Be2 d5 10.0–0 Rd8+=) 7...d6 8.c4 (8.d4 Ne4 9.Qe3 Bb7 10.ba6 Na6+=) 8...h6 (8...Nbd7 9.Be2 Nc5 10.Qc2 0–0+=) 9.Nc3 (9.Be2 0–0 10.0–0 Bg4=) 9...a5 (9...ab5!? 10.cb5 c5+= –0.31 (10...Bg4+=)) 10.d4+= a4? (better is 10...Nbd7!?+=; 10...ed4+= 0.31) 11.de5+– Ne4? (better is 11...de5 12.Qd8 Kd8 13.Ne5 Be6+–) 12.Ne4 Bf5 (12...Bb7 13.Qf4 Qe7 14.Bd3 de5 15.Qe5 Qe5 16.Ne5+–) 13.Qf4 Be4 14.Qe4 c6 (14...Ra7 15.ed6 Kf8 16.dc7 Rc7 17.Be2+–) 15.bc6 (better is 15.ed6 Kf8 16.0–0–0 Qf6+–) 15...0–0 (15...f5 16.Qf5 Nc6 17.Qg6 Kf8 18.Rd1+–) 16.e6 (better is 16.Bd3 Re8 17.c7 Qc7 18.Qa8 de5 19.Qa4+–) 16...Qe7 17.Nd4 Na6 (17...fe6 18.Be2 (18.Qe6?! Qe6 19.Ne6 Re8+–) 18...e5 19.Nb5+–) 18.Nf5 (18.Bd3 fe6 19.Qh7 Kf7 20.Bg6 Kf6+–) 18...Qe6 (18...Qf6 19.0–0–0 fe6 20.Nd6 Qc3 21.Qc2 Qa1 22.Kd2 Rf2 23.Ke3 Qe5 24.Qe4 Qc5 25.Rd4 Rd8+–) 19.Qe6 fe6 20.Ne7 Kf7+/– 21.Nd5! ed5 22.cd5 Rfe8 23.Be2 Re5 24.Rd1 Nb4+= 25.f4 Nc2?? 26.Kd2+– Rd5 27.Kc2 Rc5 28.Kb1 Rc6 29.Bf3 Rc4 30.Ba8 Rf4 31.Rd6 Ke7 32.Rhd1 Rb4 33.Ka1 Rf4 34.Rd7 Ke6 35.R1d6 Ke5 36.Rb6 Rf1 37.Kb2 Rf4 38.Ka3 Kf5 39.Rg7 Rd4 40.Rf7 Ke5 41.Re7 Kf5 42.g3 Rd3 43.Kb4 Rd4 44.Kc3 Rd1 45.Be4 Kg5 46.Rg6 (46.Rg6 Kh5 47.Re5#) 1–0. Tiedemann,Joern (2020) – Witt,Monika, RSS7E easy–114, 2010.

4.d3 Bc5 A) 5.Nf3 Ng4 (5...Qe7 6.Bb2 Ng4 7.d4 ed4 8.Bd4 Qe4 9.Qe2 Bb7 10.Bc5 bc5+=; 5...0–0 6.c3 Re8 7.Be2 a6 8.0–0 ab5 9.d4 Bd6 10.de5 Be5+=; 5...a6 6.ba6 0–0 7.Be2 d5 8.ed5 Qd5 9.0–0 Na6 10.Bb2 Re8+=) 6.d4 ed4 7.Bc4 a6 8.0–0 ab5 9.Bb5 Qf6 10.Bg5 Qg6+=; B) 5.c3 Qe7 6.Qf3 a6 7.Be2 ab5 8.d4 Bd6 9.Bg5 b4 10.Bf6 gf6–/+; C) 5.Bb2 d6 (5...Qe7 6.Be2 a6 7.Nf3 d6 8.a4 0–0 9.0–0 Bd7 10.Nc3 c6+=) 6.c3 d5 7.ed5 Qd5 8.Nf3 0–0 9.c4 Qd6 10.Be5 Bf2+=; D) 5.f4 d5 6.ed5 Nd5 7.Qf3 ef4 8.Ne2 c6 9.d4 Be7 10.c4 Nb4+=; E) 5.Bg5 a6 6.ba6 h6 7.Bh4 Na6 8.c3 d5 9.f4 ef4 10.e5 Qe7=.

4.d3 d5 A) 5.Bb2 de4 (5...d4 6.Nf3 Bd6 7.c3 c5 8.bc6 dc3 9.Nc3 Nc6 10.d4 0–0=; 5...Bb4 6.Nd2 d4 7.a3 Ba5 8.Ngf3 Qe7 9.Qc1 Bg4 10.c3 Bf3+=; 5...Bb7 6.Be5 de4 7.de4 Qd1 8.Kd1 Ne4 9.Nh3 c5 10.f3 Nd7=) 6.Be5 a6 7.Nd2 Ng4 8.Bg3 e3 9.Qe2 Bd6 10.fe3 Bg3–/+; B) 5.ed5 Qd5 (5...a6 6.Nf3 Qd5 7.Qe2 Bd6 8.c4 Qe6 9.d4 ed4 10.Nd4 Qe2+=) 6.Nc3 Bb4 7.Qd2 Qc5 8.Bb2 a6 9.a3 Ba5 10.ba6 0–0 –/+.

4.d3 d6 5.Nc3 c6 (5...Be7 6.Nf3 a6 7.d4 ed4 8.Qd4 0–0 9.Bc4 c6 10.bc6 Nc6=; 5...Nbd7 6.Nf3 a6 7.d4 Be7 8.Bc4 ab5 9.Bb5 0–0 10.0–0 Ra5=; 5...a6 6.d4 ab5 7.Bb5 c6 8.de5 de5 9.Qd8 Kd8 10.Bd3 Nbd7=; 5...d5 6.ed5 Nd5 7.Bd2 Bb4 8.Nd5 Bd2 9.Kd2 Qd5 10.Qf3 c6=; 5...Bb7 6.Bg5 a6 7.d4 Be7 8.Bf6 Bf6 9.d5 0–0 10.Nf3 Be7=) 6.d4 ed4 7.Qd4 a6 8.Qa4 Bb7 9.ba6 Na6 10.Qd4 Nc5+=.

4.d3 Qe7 5.Nf3 a6 (5...c6 6.a4 a6 7.Ba3 d6 8.Be2 Qc7 9.0–0 Be7 10.Nbd2 0–0=; 5...Bb7 6.Bb2 d6 7.Be2 a6 8.a4 Qd7 9.Nc3 Be7 10.0–0 0–0=; 5...d6 6.Bg5 a6 7.Nc3 Qd8 8.d4 ed4 9.Qd4 Be7 10.e5 de5=) 6.Bb2 d6 7.a4 c6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 cb5=.

4.Bd3 A) 4...Bc5 A1) 5.Ba3 Ba3 6.Na3 a6 7.Nf3 Qe7 8.Nb1 ab5 9.Qe2 Bb7 10.Nh4 0–0–/+; A2) 5.Nc3 a6 6.Nf3 ab5 7.Bb5 c6 8.Be2 d6 9.d3 b5 10.a3 Qa5+=; A3) 5.Nf3 a6 6.Nc3 d6 7.Na4 Bb4 8.Rb1 Ba5 9.c4 ab5 10.cb5 0–0+=; A4) 5.Qe2 a6 6.ba6 0–0 7.Nf3 d6 8.Bc4 c6 9.0–0 Na6 10.a4 Nc7+=; A5) 5.Bb2 d6 6.Nf3 a6 7.a4 0–0 8.0–0 c6 9.Nc3 Qc7 10.Bc4 cb5+=; B) 4...d6 B1) 5.Nc3 a6 (5...Be7 6.Nf3 a6 7.0–0 0–0 8.Bb2 ab5 9.Bb5 c6 10.Be2 b5+=; 5...Bd7 6.Qe2 a6 7.ba6 Be7 8.Nf3 Qc8 9.Bc4 Na6 10.Rb1 0–0=; 5...Be6 6.Nf3 Be7 7.Be2 a6 8.d4 0–0 9.d5 Bd7 10.Rb1 ab5=) 6.Nf3 Be7 7.0–0 0–0 8.Bb2 ab5 9.Bb5 c6 10.Be2 b5+=; B2) 5.Ne2 a6 6.ba6 c6 7.0–0 Na6 8.Ba3 b5 9.Ng3 b4 10.Bb2 Nc5+=; B3) 5.Nf3 a6 (5...Be7 6.0–0 0–0 7.Nc3 a6 8.Bb2 ab5 9.Bb5 c6 10.Be2 b5+=; 5...Bg4 6.0–0 a6 7.ba6 Be7 8.Qe2 c6 9.a4 0–0 10.Nc3 Nh5=) 6.Nc3 Be7 7.0–0 0–0 8.Bb2 ab5 9.Bb5 c6 10.Be2 b5+=; C) 4...a6 C1) 5.Nf3 Bc5 6.Nc3 d6 7.Na4 Bb4 8.Rb1 Ba5 9.c4 ab5 10.cb5 0–0+=; C2) 5.ba6 Ba6 6.Ba6 Na6 7.Nf3 d5 8.ed5 e4 9.Qe2 Be7 10.Qb5 Kf8+=; C3) 5.Qe2 Bc5 6.ba6 d6 7.Nf3 c6 8.0–0 Na6 9.Ba6 Ra6 10.c3 Ra5+=; C4) 5.Nc3 ab5 6.Bb5 c6 7.Bd3 Bb4 8.Nf3 d6 9.0–0 0–0 10.Bb2 b5–/+; C5) 5.Bb2 d6 (5...ab5 6.Be5 Nc6 7.Bb2 Nb4 8.Qf3 c6 9.Ne2 Bc5 10.Bf6 Qf6=) 6.a4 ab5 7.ab5 Ra1 8.Ba1 Nbd7 9.Nc3 Nc5 10.Qe2 Ne6+=; D) 4...Bd6 D1) 5.Bb2 Bb7 (5...a6 6.Nf3 Qe7 7.a4 0–0 8.0–0 Bb7 9.Re1 ab5 10.ab5 Ra1=; 5...Qe7 6.Nf3 a6 7.a4 0–0 8.0–0 Bb7 9.Nc3 Bc5 10.Qe2 Re8=) 6.Nf3 Qe7 7.Nc3 a6 8.a4 Bb4 9.0–0 d6 10.Re1 0–0=; D2) 5.Qe2 Bc5 (5...Bb7 6.Nf3 a6 7.Bb2 ab5 8.Ne5 Qe7 9.Ng4 Ng4 10.Qg4 Be5=; 5...a6 6.Bb2 ab5 7.Bb5 Bb7 8.Nc3 0–0 9.Nf3 c6 10.Bd3 Nh5+=) 6.Ba3 Ba3 7.Na3 a6 8.Nf3 Qe7 9.Nb1 d6 10.0–0 ab5+=; D3) 5.Nc3 a6 (5...Bb7 6.Qf3 a6 7.Nge2 ab5 8.Bb5 Na6 9.Rb1 Bc5 10.Qg3 0–0=; 5...c6 6.Nf3 a6 7.ba6 0–0 8.0–0 Ba6 9.Ba6 Na6 10.Re1 Qc7=; 5...0–0 6.Nf3 a6 7.0–0 ab5 8.Bb5 Bb4 9.Ne5 Bc3 10.dc3 d6=) 6.Bb2 Bb7 7.Qe2 0–0 8.Nf3 Nh5 9.g3 Nf6 10.0–0 Qe7=; D4) 5.Nf3 0–0 (5...Bb7 6.Bb2 Qe7 7.Nc3 a6 8.a4 0–0 9.0–0 Bc5 10.Qe2 Re8=; 5...a6 6.Bb2 Qe7 7.a4 0–0 8.0–0 ab5 9.ab5 Ra1 10.Ba1 Bb7=) 6.Bb2 Bb7 7.0–0 Re8 8.Re1 a6 9.a4 Bc5 10.Ne5 d6=; E) 4...Bb4 E1) 5.a3 Bc5 (5...Bd6 6.Bb2 Bb7 7.Nf3 Qe7 8.Nc3 a6 9.a4 0–0 10.0–0 Bc5=; 5...Be7 6.Nf3 d6 7.0–0 a6 8.Nc3 0–0 9.ba6 Na6 10.Bb5 Bb7+=) 6.Nf3 d6 7.Nc3 a6 8.Na4 Nfd7 9.Qe2 ab5 10.Nc5 Nc5+=; E2) 5.Bb2 d6 6.f4 Nbd7 7.Qf3 a6 8.Ne2 ab5 9.a3 Bc5 10.Bb5 0–0+=; E3) 5.Ba3 Ba3 6.Na3 a6 7.Nf3 Qe7 8.Nb1 ab5 9.Qe2 Bb7 10.Nh4 0–0–/+; E4) 5.Qe2 0–0 (5...d6 6.Nf3 a6 7.0–0 0–0 8.ba6 Na6 9.c3 Ba5 10.Bc4 Nc5+=; 5...a6 6.Nf3 d6 7.c3 Bc5 8.ba6 c6 9.Bc4 b5 10.Bb3 Bg4+=) 6.Nf3 d6 7.c3 Bc5 8.Bc4 Re8 9.Ba3 d5 10.Bd5 Nd5+=; E5) 5.Nf3 Qe7 (5...d6 6.Bc4 a6 7.c3 Ba5 8.a4 0–0 9.Qc2 Bg4 10.Qd3 d5=; 5...Bc5 6.Nc3 d6 7.Na4 Nbd7 8.Qe2 Bb7 9.0–0 0–0 10.Rb1 Qc8=) 6.Bb2 d6 7.a3 Bc5 8.Nc3 a6 9.Na4 Nbd7 10.Qe2 ab5=; F) 4...Bb7 F1) 5.Bb2 Ne4 6.Qe2 Nc5 7.Qe5 Qe7 8.Bf1 Ne6 9.Ba3 d6 10.Qe3 Nd7+=; F2) 5.Nf3 d5 (5...Bd6 6.Bb2 Qe7 7.Nc3 a6 8.a4 0–0 9.0–0 Bc5 10.Qe2 Re8=; 5...Bc5 6.0–0 a6 7.Bb2 d6 8.Qe2 0–0 9.a4 Nh5 10.g3 Nf6+=; 5...Ne4 6.Qe2 Nc5 7.Qe5 Be7 8.Be2 0–0 9.d4 Bf3 10.Bf3 Bf6=) 6.Be2 de4 7.Ng5 Bc5 8.Bb2 Nfd7 9.Nh3 a6 10.a4 Bd4–/+; F3) 5.Qe2 Bc5 (5...Bd6 6.Nf3 a6 7.Bb2 ab5 8.Ne5 Qe7 9.Ng4 Ng4 10.Qg4 Be5=; 5...a6 6.Nf3 Bc5 7.0–0 ab5 8.Bb2 0–0 9.Ne5 Re8 10.Bb5 Be4=; 5...d6 6.Nf3 a6 7.0–0 Be7 8.Nc3 ab5 9.Bb5 c6 10.Bc4 b5+=; 5...Be7 6.Nf3 d6 7.0–0 a6 8.Nc3 ab5 9.Bb5 c6 10.Bc4 b5+=; 5...Bb4 6.Nf3 d6 7.c3 Bc5 8.Bc2 a6 9.0–0 0–0 10.d4 ed4+=) 6.Nf3 a6 7.Bb2 d6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nh5+=.

4.Qe2 Bc5 5.Bb2 d6 (5...Qe7 6.Nf3 d6 7.c3 Bb7 8.a3 d5 9.d4 de4 10.Ne5 Bd6=) 6.c3 a6 7.d4 ed4 8.cd4 Bb4 9.Bc3 Bc3 10.Nc3 0–0 +=.

4.Qf3 Bb7 A) 5.Qg3 d6 6.d3 a6 7.c4 Nbd7 8.Nf3 ab5 9.cb5 Qe7 10.Be2 d5–/+; B) 5.Nc3 a6 6.Qf5 d6 7.Rb1 ab5 8.Bb5 c6 9.Bc4 Bc8 10.Qg5 b5+=; C) 5.d3 a6 6.Qg3 d6 7.c4 Nbd7 8.Nf3 ab5 9.cb5 Qe7 10.Be2 d5–/+; D) 5.Qc3 Ne4 6.Qe5 Be7 7.Bb2 Nf6 8.Qg3 0–0 9.Be2 a6 10.Nf3 ab5–/+; E) 5.Qf5 Be4 6.Qe5 Be7 7.d3 Bb7 8.Bf4 Nd5 9.Nc3 Nf4 10.Qf4 0–0–/+; F) 5.Bd3 d5 6.Nc3 d4 7.Nce2 a6 8.Ng3 ab5 9.Bb5 c6 10.Bc4 Ba6+=.

2.b5 c5

3.a4 b6 4.c4 g6 5.Ra3 Bg7 6.Nc3 Bb7 7.e4 Qh4 8.g3 Qf6 9.Nd5 Qd6 10.f4 Bd5 11.cd5 Nf6 12.fe5 Qe5= 13.Re3 Bh6 14.Nf3 Qa1 15.Ra3+/– Qb1 16.e5 Nd5+= 17.Bd3 Qb4 18.0–0 c4? 19.Be4+– Qc5 20.d4! Qc7?? 21.Bh6 Qb7 22.Ng5 a6 23.Nf7 Ke7 24.Nh8 d6 25.Rf7 (25...Kd8 26.Rb7+–) 1–0. Jolilein – crca108, mySchach.de, 2005.

3.a4 d5 4.Bb2 =+.

3.c4 Nf6=+ 4.Bb2 Qc7 5.Nf3= d6 6.e3 Be7 7.d3 0–0 8.Be2 e4 9.de4+= Ne4 10.0–0 Be6 11.Nbd2 d5 12.Ne4 de4= 13.Nd2 Rd8 14.Qc2 f5 15.a4 Nd7 16.a5 Nf6 17.a6 b6 18.Rfd1 Rd7= 19.Nf1 Rad8 20.Rd7 Rd7 21.Rd1 Ng4? 22.Rd7 Qd7+/– 23.Qd2 Qd6 24.Qd6 Bd6 25.Nd2? Bh2–/+ 26.Kf1 Bd6 27.Ke1 Ne5 28.g3 Nd3 29.Bd3 ed3 30.f4 h6 31.Kf2 Kf7 32.Kf3 Kg6 33.e4= Bf8 34.Be5+/– Kh5? 35.Bb8+– g5 36.Ba7 fe4 37.Ke4 Kg4 38.Bb6 Bc8 39.a7 Bb7 40.Kd3 gf4 41.gf4 Kf4 42.Bd8 Ke5 43.Nb3 Kd6 44.Na5 Bg2 45.Nc6! Bf1 46.Kc3 Bg2 47.a8Q Bg7 48.Kb3 Bd4 49.Qb8 Ke6 50.Nd4 (50...Kf7 51.Qf4 Kg8 52.Ne6 h5 53.Qf8 Kh7 54.Qg7#) 1–0. Starr,Albert – Lupton,Stephen, Spring TNM San Francisco, 2006.

3.e3 d5 4.Be2 =.

3.e3 Nf6 4.c4 Be7 5.Qc2 (5.Nc3 a6=) 5...b6 (5...a6 6.Nc3=) 6.Nf3 d6 Prevents intrusion on e5 7.Nc3 (7.a4 a6 8.Ra3 Bb7=) 7...Bb7 8.Be2 h6 Consolidates g5 (8...a6 9.Rb1=) 9.0–0 Nh7 (9...e4 10.Ne1=) 10.Bd3 White threatens to win material: Bd3xh7 (10.d4 ed4 11.ed4 0–0+=) 10...Ng5 11.Nh4 (11.Ng5!? hg5 12.Be4 Be4 13.Qe4+/–) 11...Nh3= 12.gh3 Bh4 Black has a mate threat 13.Ne4 (13.Be4!? Be4 14.Ne4=) 13...f5 14.Ng3 Bg3 White king safety dropped (better is 14...g6!?+= looks like a viable alternative) 15.hg3= White has the pair of bishops 15...e4 Black threatens to win material: e4xd3 16.Be2 0–0 17.Bb2 Nd7 18.Qc3 White has a mate threat (18.f4 Nf6=) 18...Rf6 (18...Ne5 19.Rfe1=) 19.Qc2 (19.a4 Ne5=) 19...Rf8 20.h4 Ne5 21.Be5 de5 White has a new backward pawn: d2. Black has new doubled pawns: e4+e5 22.Qc3 Qf6 23.a4 a5 (better is 23...f4 24.ef4 ef4 25.Qf6 Rf6+=) 24.f3? (24.ba6!? Ra6 25.a5=) 24...ef3 (better is 24...Qg6 a shame that Black overlooked this excellent chance 25.Kh2 f4 26.ef4 ef4–+) 25.Bf3+= e4 Black gains space 26.Qf6 Rf6 27.Bg2 Rd8 28.Rad1 Rd3 An ideal square for the black rook. 29.Bh3 Bc8–/+ 30.Rf2 Be6 Black threatens to win material: Be6xc4 31.Rdf1 Bc4 32.Bf5 Rdd6 33.Rb1 g6 34.Be4 Rf2 35.Kf2 Rd2 36.Kg1 Kg7 37.Ra1 Re2 38.Ra3 Re1 39.Kf2 Rf1 40.Kg2 Rf8 41.Ra1 Rf6 42.Bc2 Bd5 43.e4= White threatens to win material: e4xd5 43...Ba8 44.Rd1 Re6 45.Kf3 g5 46.hg5+/– hg5 47.Rd8 g4?? 48.Ke3+– Be4 49.Be4 Kf6 50.Kf4 Ke7 51.Rb8 Rf6 52.Kg4 Re6 53.Bc6 c4 54.Rb6 c3 55.Rb7 Kd6 56.Rd7 Kc5 57.Rd5 Kb6 58.Rd3 c2 59.Rc3 Re2 60.Kf3 Rh2 61.Be4 (61.Be4 Rh8 62.Rc2+–) 1–0. Siepe,Hans Joachim – Lingk,Christoph, Sauerland Bezirksklasse, 2000.

3.e4 (--> 1.b4 c5 2.e4 e5 3.b5).

3.Bb2 d6

4.Nc3 d5 5.e4 d4 6.Nd5 =+.

4.Nc3 Nf6 5.e4 Be6 6.Nf3 h6 7.Be2 Be7 8.0–0 g5 9.d3 Nbd7 10.h4 Rg8 11.hg5= hg5 12.a4 Nf8 13.Bc1 N6h7 14.Nd2 Ng6 15.Nc4 Nf4 16.Bg4 Qd7 17.Be6 Qe6 18.a5 Nf6 19.a6 b6 20.Ne3 0–0–0=+ 21.Re1 Rh8 22.Nf5 Rdg8 23.g3 Rh3 24.Bb2 Rgh8 25.gf4 gf4 26.Kg2? f3 27.Qf3 Rf3 28.Kf3 Bd8 29.Rh1=+ Rg8 30.Ne3 Ne8–/+ 31.Ncd5 Nc7 32.Nc7 Kc7 33.Ke2 Qg6 34.Rh2 c4 35.Nc4 Qg4 36.f3 Qd7 37.Na3 d5 38.Be5+/– Kc8 39.Rah1 Qe7 40.Bb2 Qb4 41.Bc1 Qd4 42.ed5 Re8 43.Kd1 Qd5 44.Rh3 Qe5 45.R3h2 Qf5 46.Bb2 Bg5 (47.Rf1 Kd7=; 46...Qf3 47.Kc1=). gtate (2625) – guillermobrown (2620), net–chess.com, 2007.

4.e3 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5 c5).

4.e4 f5 =.

4.e4 Nf6 5.Nc3 Be7 =.

4.g3 Nf6=+ 5.Bg2 g6 6.e3 Bg7=+ 7.Ne2 0–0 8.c4 Re8 9.0–0= Nbd7 10.d4 ed4 11.ed4 cd4 12.Bd4 Ne5 13.c5 Qc7 14.cd6= Qd6 15.Nbc3 Ned7 16.Rc1 Nb6 17.Nf4 Rb8 18.Bb6 Qb6= 19.Ncd5 Nd5 20.Nd5 Qd6 21.Qc2 Be6 22.Rfd1 Bd5 23.Bd5+= Qe5 24.Qc7 Re7+= 25.Qa5 b6 26.Qb4 Rc7 27.Rc7+= Qc7 28.a4 Bf8 29.Qb3 Bc5 30.Kg2 Qe5 31.Bf7+– Kg7 32.Rd7 Rf8 33.Bc4 Kh6 34.Rd2 Qf5 35.Qc2 Qf3 36.Kg1 Re8 37.Bf1 Re1 38.Rd3 (38...Rf1 39.Kf1 Qh1 40.Ke2 Qe4 41.Kd2 Bf2 42.Kc1 Be3 43.Kb1+–) 1–0. Labitte,Alain – Dubois,Philippe, Bethune op–B, 2002.

2.b5 Bc5

3.Ba3? Ba3?? 4.Na3=+ d5 5.d4 (5.e3 Qe7 6.Nb1 Nf6=+) 5...ed4 (5...c5!? 6.b6 Qb6–+) 6.Qd4=+ Nf6 7.Qe5 Be6 8.b6 (8.Nf3!?=+) 8...ab6 9.Nb5 0–0 (better is 9...Na6!?–/+) 10.Nc7 Ra5 (10...Nc6 11.Ne6 Qe7 12.Qb2 fe6 13.Nf3=+) 11.Ne6= fe6 (11...Qe7 12.Nf3 Nbd7 13.Qc7 fe6 14.e3= (14.Qb7?? Qc5 15.Nd2 Rb8 16.Qb8 Nb8–+)) 12.Qe6+= Kh8 13.e3 d4 (better is 13...Re8 14.Qh3 Qc7+=) 14.e4?? (14.Rd1 Re8 15.Rd4+–) 14...Rc5 (better is 14...Ne4!? 15.Qe4 Re8–/+) 15.Bd3= Re8 16.Qh3 Ne4 17.Ne2 h6 18.0–0 Ng5 19.Qg4+= Nc6 20.f4 Ne4 21.f5 Nd2 22.Rf4 Qd7 23.Rd1 Nc4 24.Bc4 Rc4 25.Nd4 Nd4 26.Rdd4 Rd4? 27.Rd4+/– Qe7 28.Rd1 Qc5 29.Qd4?? Qc2 30.f6+/– Qg6 31.fg7 Qg7 32.Qb6 h5 33.Rd8?? Rd8?? 34.Qd8+/– Kh7 35.Qd1 h4 36.Qh5+– Kg8 37.Qh4 Qa1+= 38.Kf2 Qa2 39.Kf1 Qb1 40.Kf2 Qc2 41.Kf3 b6?? 42.Qd8+– Kg7 43.h4 Qf5 44.Kg3 Qe5 45.Kh3 Qe6 46.g4 Qe3 47.Kg2 Qe2 48.Kg3 Qe3 49.Kg2 Qe2 50.Kg3 Qe3 51.Kg2 Qe2 52.Kg3 Qe3 ˝–˝. IrishBouncer – andre2004, ChessWorld.net, 2005.

3.a4? Bf2 4.Kf2 Qh4 5.g3 Qd4 6.Kg2 Qa1 –+.

3.a4? Nf6?? 4.f3 (4.Nf3 d5=+) 4...d5–/+ 5.e3 d4 (better is 5...0–0–/+) 6.e4?? (6.Ba3 Bb6–/+) 6...Be6 (better is 6...d3 7.Ba3 Bg1–+) 7.c3 Nbd7 8.c4? Nh5 9.Ne2?? Bc4 10.d3 Be6 11.h4 Nf8 12.g4 Nf6 13.Bg5 h6 14.Bd2 Ng6 15.h5 Ne7 16.Qc1 Nh7?? 17.Qc5+– Qd6 18.Qd6 cd6 19.Bb4 Kd7 20.Ba5 b6 21.Bd2 Rac8 22.Bh3 Nf8 23.g5 hg5 24.Bg4 f6 25.Kf2 Bg4 26.fg4 Ne6 27.Rc1 Nc5 28.Ra3 Rc7 29.Bb4 Rhc8 30.Bc5 Rc5 31.Rc5 Rc5 32.Ra2 d5 33.Nd2 Ke6 34.Ng3 g6 35.h6+– Kf7 36.Ra1 (36...Rc8 37.Rh1+–) 1–0. riverborne – skoren, Caissa.com, 2004.

3.Bb2 d5 4.Be5= f6 (4...Nf6 5.Nf3=) 5.Bb2 (5.Bg3 Ne7+=) 5...Ne7 6.d4 Bd6 (6...Bb6 7.Nc3+=) 7.e3 (7.c4 Bb4 8.Nc3 Be6+/– (worse is 8...dc4 9.e4+–)) 7...0–0 (7...Be6 8.Nd2+=) 8.c4+= Qd7?? (better is 8...c5+=) 9.c5+– Nf5 (9...Bf4 10.ef4 Re8 11.Nc3+–) 10.cd6 Qd6 (10...Nd6 11.Nc3 Qf7+–) 11.Ba3 Qb6 (11...Qd8 12.Bf8 Qf8 13.Qb3+–) 12.Bf8 Kf8 13.Nf3 Bd7 (13...a6 14.Qa4+–) 14.Bd3 (14.Nc3 Qa5 15.Qd2 c6+–) 14...Nd6 (14...a6 15.Nc3 ab5 16.Nd5+–) 15.a4 g5 (15...c6 16.a5 Qd8+–) 16.a5 (16.a5 Qb5 17.Bb5 Nb5 18.Qc2+–) 1–0. Taulien,Hans_Juergen (2350) – Osswald,Heiner (2000), remoteschach.de, 2002.

3.c3 Qf6 4.e3 d6 (4...d5 5.d4 ed4 6.cd4=) 5.g3 (5.d4 Bb6=) 5...c6 (5...Nd7 6.d4 Bb6 7.Nd2=+) 6.h3 (6.d4 Bb6=) 6...cb5 (6...d5 7.d4 ed4 8.cd4=+) 7.Bb5 (7.d4 Bb6=) 7...Nd7 (7...Bd7 8.a4=+) 8.a4 (8.d4!? Bb6 9.Nd2=) 8...a6 9.Bc4 (9.Bf1 e4=+) 9...Nb6 (9...Ne7!?–/+) 10.Bb3 Be6 (10...e4 11.a5 Nd7 12.d4 ed3 13.Qd3=+) 11.Be6 (11.d4 Bb3 12.Qb3 ed4 13.ed4 Bd4 14.cd4 Qd4 15.Nc3+–) 11...Qe6= (< 11...fe6 12.d4 Nd7 13.dc5 Nc5 14.Ba3+– (14.Qd6?? Ne4 15.Qd2 Nd2 16.Nd2 Qd8–+)) 12.Nf3 (12.a5 Nd7=) 12...h6 (12...e4 13.d4 ef3 14.dc5 dc5 15.Qf3=+) 13.Nh4 (13.d4!? ed4 14.a5 de3 15.ab6 ef2 16.Kf1=) 13...Nf6 (13...Qd5 14.f3 Qd3 15.Qe2=) 14.Rg1 (14.d4 ed4 15.cd4 Bb4 16.Bd2 Nbd5=+) 14...Nc4 (14...Rc8–/+) 15.Qb3 (better is 15.g4–/+) 15...b6?? (15...e4 16.Ba3–+) 16.a5 b5?? 17.Ba3?? Na3 18.Na3?? Qb3–+ 19.Nf5 0–0 20.Ne7 Kh8 21.Kf1 Ba3 22.Kg2 d5 23.Nf5 Bb2 24.Raf1 Qc2 25.g4 g6 26.Nh6 Qd2 27.Kh1 Kh7 28.g5 Ne4 29.h4 Nf2 30.Kg2 Ng4 31.Rf2 0–1. solidsteel – Fishman, Live Game Caissa's Web, 2005.

3.Nc3 b6 4.e3= Bb7 5.Qg4 Qf6 (5...Nf6 6.Qg5 d6 7.Nge2=) 6.Ne4+= Qg6 7.Ng5?? (7.Qg6!? hg6 8.Nc5 bc5 9.Bb2+=) 7...Nf6?? (better is 7...f6 8.h4 fg5 9.Qg5 Qg5 10.hg5 Kf8–+) 8.Qg3=+ Bd6 9.Bc4 0–0 10.Bf7 Rf7–+ 11.Nf7 Qf7 12.Nf3? e4 13.Qh3 ef3 14.gf3 Ne8 15.Bb2 Bf3 16.Rg1 g6 17.Rc1 a6 18.Rg5 ab5 19.Qh6 Ra2 20.Bc3 Be7 21.Rb5 Nc6 22.h4 Nf6 23.h5 Bh5 24.Rb2 Rb2 25.Bb2 Ng4 26.Qg7 Qg7 27.Bg7 Kg7 28.Ra1 Nh2 29.Ra8 0–1. bigsteel – como2, Caissa.com, 2004.

3.Nc3 d5 4.Bb2 =+.

3.c4?? e4?? 4.f3 (4.Nc3 Nf6=+) 4...Nf6 (4...Bg1 5.Rg1 ef3 6.gf3 Qh4 7.Rg3 Qh2 8.Rg2 Qh4 9.Rf2 Qc4 10.Bb2–/+) 5.Nh3 (5.Nc3!?=+) 5...d5–/+ 6.e3 Bh3 7.gh3 c6 (7...Ng4! 8.hg4 Qh4 9.Ke2–+) 8.fe4 (8.d4 Bf8–/+) 8...Ne4 (better is 8...de4 9.Nc3 Bb4–/+) 9.Bb2?? (better is 9.Qg4–/+) 9...Qh4–+ 10.Ke2 Qf2 (10...dc4 11.Qa4 Qf2 12.Kd1 Qf3 13.Kc2 Qh1 14.Qc4–+) 11.Kd3 Qf5 12.Ke2 dc4 13.bc6 (13.Qa4 Qf2 14.Kd1 Qf3 15.Kc2 Qh1 16.Qc4–+) 13…Qf2# 0–1. oddbwar – RAM1962 (1670), internet, 2007.

3.e3 e4 4.c3 (4.Qg4!? Nf6 5.Qg7=) 4...d5 (4...Nf6 5.Ba3 Ba3 6.Na3=+) 5.Ba3 (5.d4 Bd6=+) 5...Qd6 (5...Ba3 6.Na3 Nf6 7.d4=+) 6.Bc5= Qc5 7.Qh5 (7.d4 Qd6=) 7...Nf6=+ 8.Qg5 (8.Qe5 Be6=+) 8...0–0 9.Nh3 (9.d4 ed3 10.Bd3 Bd7=+) 9...Bh3 (9...a6 10.ba6 Qb6 11.Na3–+) 10.gh3 Nbd7 11.Rg1 g6 12.h4 (12.a3 Qd6–/+) 12...Rfe8 (12...a6 13.a4–/+) 13.h5 Re5 14.Qh6 Rh5 15.Qf4 Kg7 16.Rg6?? hg6–+ 17.d4 ed3 18.Bd3 Rah8 19.Nd2 Qc3 20.Rd1 Qd3 21.Nf3 Qf5 22.Qc7 Qf3 23.Qf4 Qd1 24.Kd1 Rh2 25.Kd2 Rf2! 26.Qf2 Ne4 27.Ke2 Nf2 28.Kf2 Rh2 29.Kg3 Ra2 30.Kf4 Rb2 (31.Kg3 Kf6–+) 0–1. manofsteel2 – Dubaii, Live Game Caissa's Web, 2005.

3.e3 f6 4.d4+/– Bd6 5.Bb2 (5.Nf3 e4 6.Nh4 g6+/– (6...Ne7 7.Qh5 g6 8.Qh6 c6 9.Qg7 Rg8 10.Qh7 cb5) 7.Bc4 Bb4 8.c3 d5 9.Bd5 Qd5 10.cb4 g5) 5...Qe7 (5...ed4 6.Bd4 Ne7 7.Nd2+/– (7.Nf3 a6 8.Nc3 Bb4 9.a3 Bc3 10.Bc3 ab5) 7...Nf5 8.Bc3 Be7 9.e4 Nd6 10.Qh5 g6; 5...a6 6.de5 Be5 7.Be5 fe5 8.Qh5 Kf8 9.Nf3 e4 10.Bc4 g6) 6.Nf3+– (6.Nc3 Bb4 7.Nf3 e4 8.Nd2 Bc3 9.Bc3 d5 10.Rb1 Qe6) 6...c6 (6...e4 7.Nfd2 f5 8.Nc3 Nf6 9.Bc4 Bb4 10.a3 Bc3) 7.Nc3 Bb4 8.Be2 (8.a3 Ba5 9.bc6 bc6 10.Be2 Na6) 8...e4 9.Nd2 f5 (9...Nh6 10.0–0 d5) 10.a3 Bd6 (10...Bc3!? 11.Bc3 d6 12.Rb1+/–) 11.Nc4 Nf6 12.d5 c5 (12...0–0 13.0–0+–) 13.b6 a6 14.Bh5 (worse is 14.Nd6 Qd6 15.Na4 a5+–) 14...g6 15.Be2 0–0 16.Qd2 a5?? (16...Re8+–) 17.Nb5 Ne8 Black plans f4 (17...Bh2 18.Rh2 d6 19.Nbd6+–) 18.Qc3 Qg7 (18...Rf6 19.Nbd6 Nd6 20.Qf6 Qf6 21.Bf6 Nc4 22.Bc4+–) 19.Qg7 Ng7 20.Nbd6 Na6 21.Na5 f4 22.Ne4 fe3 23.fe3 Nf5 24.Nc4 d6 25.g4 Ne7 26.Rd1 Bd7 27.Ncd6 Ba4 28.Nf6 Rf6 29.Bf6 Bc2 30.Rd2 Bb3 31.Be7 c4 32.Nc4 Nb8 33.Ne5 Ra6 34.Ba6 Na6 35.0–0 Nb8 36.Rf8 Kg7 37.Rb8 Ba4 38.Rf2 Bd1 39.Bf6 Kh6 40.Nf7# 1–0. Anonymous – cmvw, internet, 2011.

3.e4 d5 4.Bb2 Qf6 5.d4 Bd4 6.Bd4 ed4 7.Nf3 de4 8.Nd4 –/+.

3.e4 d6 4.Bb2 f5 5.Nc3 Nf6 6.d3 f4 (6...0–0 7.Nge2–/+) 7.Na4 Ng4 (7...Bb4 8.c3 Bg4+–) 8.Nc5+= dc5 9.h3 Nf6 (better is 9...Qh4!? 10.Qe2 Be6+=) 10.Be5+– 0–0 11.Ne2 Nfd7 (11...Nh5!?+/–) 12.Bf4+– Qf6 (12...a6 13.a4+–) 13.Be3 Ne5 14.Ng3 c6 15.Bc5 Rf7 16.Nf5 Bf5+= 17.ef5 Qf5 18.Be2 Nbd7 19.Be3+/– cb5 20.0–0 h5? 21.Bh5 g6 22.Be2 b6 23.d4 Nc4 24.c3 Nd6 25.Rb1 a6 26.Bg4 Qd5 27.Bf3 Ne4 28.Qc2 Ndf6 29.Bg5 Re8 30.Rfe1 Qg5 31.Be4 Rfe7 32.f3 Qg3 33.Re2 Nh5 34.Rbe1 Nf4+/– 35.Re3 Nh3 36.Kf1 Nf4 37.Qd2 Kg7 38.Bb7?? Kf6 39.Re7 Rh8+= 40.R7e6 Ne6 41.Re4 Rh1=+ 42.Ke2 Qg2 43.Kd3 Qf3 44.Re3?? Nf4 45.Kc2 Qb7 46.Qf2 g5 47.Re5 Qh7 48.Kb3 Qb1 49.Ka3 Rh3 50.Qb2 Qd1 51.Qb4 Kg6 52.Qb3 Qd3 53.Qg8 Kf6 54.Qg5 Kf7 55.Qf4 Kg7 56.Rg5 Kh7 57.Qf7 Kh8 58.Qg7 1–0. Long_Knights – Goof, ChessWorld.net, 2005.

3.e4 Qh4 4.Qe2 Nf6 5.Nc3 Bd4 6.Nf3 Qh5 7.Qd3 (7.Nd4 ed4 8.Qh5 Nh5+–) 7...Ng4? (better is 7...Bc5!?=) 8.Nd4+/– ed4 9.Qd4 0–0 10.h3 Nf6 11.Be2 Qg6 12.0–0 d6 13.Qe3 Re8 14.d3 d5 15.f3 (15.e5!?+/–) 15...Bh3+= 16.Rf2 Qg3 17.Qf4 Qf4 18.Bf4 Be6 19.Be5 Nbd7 20.Bf6 Nf6 21.e5 Nd7 22.f4 d4 (23.Ne4 f5=). pawndynasty – jsm, HCL–B1646 playchess.de, 2003.

3.Nh3 d5–/+ 4.e3 (4.Bb2 Bh3 5.gh3 Nd7–/+) 4...Nf6 (4...Bh3 5.gh3 Nf6 6.Rg1–/+) 5.Ng5 Nbd7 (5...e4 6.d4 Bd6 7.c4–/+) 6.h4 (6.Be2 h6 7.Nf3 e4=+) 6...h6 (6...0–0 7.d4 ed4 8.ed4 Bb4 9.Bd2 Qe7 10.Qe2–/+) 7.Nh3 (7.Nf3 0–0–/+) 7...0–0 (7...Ne4 8.d3 Bb4 9.Nd2–/+) 8.h5 (better is 8.g4=+) 8...Nh5?? (better is 8...Nb6–/+) 9.Qh5+– Nf6 (9...Re8 10.Bb2+–) 10.Qd1 Bd7 11.Be2 Qe8 12.Bb2 Bb5 13.Bf3 e4+/– 14.Bf6 ef3 15.Qf3 gf6 16.Qh5 Qe5+= 17.Qh6?? Qa1–+ 18.d3 Qb1 19.Ke2 Qh1 20.Qh4 Rfe8 21.Qg4 Kf8 22.Nf4 Rad8 23.Nh5 Bd7 24.Qg7= Ke7 25.Qf6 Kf8 26.Qh8 Ke7 27.Qe5?? Be6–+ 28.Qf6 Kd7 29.Ng7 Qg2 30.Ne6 Re6 31.Qf7 Kd6 32.Qf4 Kc6 33.d4 Bd6 34.Qf5 Rf8 (35.Qf3 Qf3 36.Kd2 Qf2 37.Kc3 Qe3 38.Kb2 Ba3 39.Kb1 Rf1#) 0–1. manofsteel2 – greenteajam, Live Game Caissa's Web, 2005.

3.Nh3 Qf6 4.e3 (4.Nc3 Ne7 5.Ne4 Qb6=) 4...d6 (4...d5 5.Ng1–/+) 5.Ng1 (5.Nc3 Bh3 6.gh3 Ne7=+) 5...e4 (5...Be6 6.Bb2=+) 6.c3 (6.Nc3 Qf5=) 6...Nh6 (6...Qg6 7.Ne2=+) 7.Qa4 (better is 7.d4 ed3 8.Bd3=+) 7...c6?? (better is 7...Bf5–/+) 8.bc6 (8.Qe4 Be6+/–) 8...bc6 (8...Nc6 9.Qe4 Be6 10.d4+=) 9.Qe4+/– Be6 10.Ba3 Ba3 11.Na3 0–0 12.Rb1 d5 13.Qb4 Nd7 14.Qd6 Nb8 15.Ne2 Ng4 16.Nf4 g5 17.h3 gf4 18.hg4 f3? 19.g3 Bg4?? 20.Rh4 Bf5 21.Qf6+– Bb1 22.Nb1 Nd7 23.Rg4# 1–0. solidsteel – Fishman, Live Game Caissa's Web, 2005.

3.Bb2 d6

4.a4 Nf6 5.Nf3 =+.

4.a4 Bg4 5.f3 Bh5 6.g3 Bg1 7.Rg1= Nd7 8.Rh1 Ngf6 9.h4 Qe7 10.g4+/– Bg4 11.fg4 Ng4 12.e3 Qf6?? 13.Qg4 (13...c6 14.h5+–) 1–0. riverborne – OhMyGod, Live Game Caissa's Web, 2005.

4.c4 Nf6 5.e3 Bf5 6.Nf3 Nbd7 7.a4 0–0 8.Be2 c6 9.0–0 Re8 10.Nc3 Rc8 11.h3 h6 12.a5 d5 13.d4 Bf8 14.de5 Ne4 15.Ne4 de4 16.Nd4 Bh7 17.Bg4 Rc7 18.e6 Nc5 19.a6 ba6 20.e7 Be7 21.Nc6 Qd1 22.Ne7 Rce7 23.Rfd1 ab5 24.cb5 f5 25.Bd4 Nb3 26.Be2 Na1 27.Ra1 Bg6 28.Ba7 Bf7 29.Bd4 1–0. Ferrier,Roxanna – Zinner,Bernhard, ESC, 2002.

4.e3 a6 5.a4 ab5 6.Bb5 Bd7 7.Qf3 c6 8.Be2 Nf6 9.d4 Bb4 (better is 9...Qb6!? 10.Bc3 ed4 11.ed4 Bd4–/+) 10.c3= ed4?? (better is 10...Ba5 11.Qg3 ed4 12.ed4 Bf5 13.Qe3 Be6+=) 11.cb4+– Bg4 12.Qg3 Be2 13.Ne2 (13.Ne2 0–0 14.Nd4+–) 1–0. Bobu,Adrian (2210) – Matei,Viviana, Revelion op Romania, 1999.

4.e3 a6 5.d4 ed4 6.ed4 Qe7 7.Qe2 Bb6 8.Qe7 Ne7 9.d5 (9.Nd2!?=+) 9...0–0 10.c4 (10.Nc3 Ba5–/+) 10...ab5 11.cb5 Nd5 12.Be2 (12.Nc3 Re8 13.Be2 Ba5–+) 12...Re8 (Better is 12...Nb4 13.Nc3 Nc2 14.Kd2 Na1 15.Nf3–+) 13.Nf3? (13.Kf1 Nf4–+) 13...Ba5 (13...Nf4 14.Kd1 Re2 15.Bc1–+) 14.Nbd2? Nf4 15.Ng1 Ng2 16.Kf1 Nf4 17.Nc4 Bb4 18.a3 Bc5 19.Re1 Nd7 20.Bf3 Re1 21.Ke1 Nb6 22.Nb6 Bb6 23.Ne2?? Nd3 24.Kf1 Nb2 25.Kg2 Ra3 26.Rb1 Nd3 27.Be4 Nf2 28.Bf3 Nd3 29.Ng3 Nf4 30.Kf1 Bh3 31.Ke1 Rf3 32.Rb4 Ba5 33.Kd1 Bb4 34.Kc2 Rc3 35.Kb2 Nd3 36.Kb1 Rc1 37.Ka2 Be6# 0–1. MasterofDisaster – antro, Live Game Caissa's Web, 2004.

4.e3 Bb6 5.Nc3 Nf6 A) 6.Nf3 a6 7.Na4 (7.a4 0–0 8.Bc4 e4 9.Nd4 c5 10.bc6 Nc6 11.Nc6) 7...Ba5 8.Nc3 ab5 9.Bb5 Bd7 10.a4 (10.Bc4 0–0 11.0–0) 10...Nc6 (10...0–0 11.0–0) 11.0–0; B) 6.Be2 a6 7.a4 0–0 8.Nf3 ab5 9.ab5 Ra1 10.Qa1 Bf5 11.d3; C) 6.Na4 C1) 6...0–0 7.Nf3 Ba5 8.Bc3 Bc3 9.Nc3 Nbd7 10.Be2 a6 11.ba6; C2) 6...Nbd7 7.Nf3 (7.Bc4 0–0 8.Nf3 Nc5 9.Nc5 Bc5 10.0–0 e4 11.Nd4) 7...0–0 8.Bc4 Nc5 9.Nc5 Bc5 10.0–0 e4 11.Nd4; C3) 6...Ba5 7.Bd3 (7.Bc3 Bc3 8.Nc3 Nbd7 9.Nf3 0–0 10.Be2 a6 11.ba6) 7...a6 8.Nf3 ab5 9.Bb5 Nc6 10.0–0 0–0 11.Qe2; D) 6.a4 D1) 6...a5 7.Nf3 (7.Be2 0–0 8.Nf3 Bf5 9.0–0 Nbd7 10.h3 Qe7 11.d4) 7...0–0 8.Be2 Bf5 9.0–0 Nbd7 10.Bc4 (10.h3 Qe7 11.d4) 10...e4 11.Nd4; D2) 6...a6 7.Nf3 0–0 (7...ab5 8.ab5 Ra1 9.Qa1 Bf5 10.Na4 Nbd7 11.Bd3) 8.Be2 (8.Ng5 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Na4) 8...ab5 9.ab5 Ra1 10.Qa1 Bf5 11.d3; D3) 6...Nbd7 7.Nf3 (7.Be2 e4 8.f3 0–0 9.a5 Bc5 10.fe4 Bb4 11.Nf3) 7...0–0 8.Be2 e4 9.Nd4 Ne5 10.0–0 (10.a5 Bc5 11.0–0) 10...d5 (10...Qe7 11.a5) 11.a5; D4) 6...h6 7.Nf3 0–0 8.Be2 Nbd7 9.0–0 e4 10.Nd4 Ne5 11.f4; D5) 6...0–0 7.Nf3 (7.a5 Bc5 8.Nf3 a6 9.Na4 Bb4 10.Nc3 Bd7 11.ba6) 7...a5 (7...Ba5 8.Be2 Bf5 9.0–0 Nbd7 10.d4 Bc3 11.Bc3) 8.Be2 Bf5 9.0–0 Nbd7 (9...h6 10.Bc4 Nbd7 11.Qe2) 10.Bc4 e4 11.Nd4.

4.e3 Bb6 5.c4 Ne7 (5...Nf6 6.Nc3 (6.Be2 a6 7.Nc3 0–0 8.Nf3 Bf5 9.0–0 ab5 10.cb5 Nbd7) 6...Bf5 7.Qf3 Qc8 8.Nh3 h6 9.Nd5 Nd5 10.cd5 0–0; 5...Nd7 A) 6.Nf3 Ngf6 (6...Nc5 7.Be2 Nf6 8.Nc3 0–0 9.0–0 Qe7 10.d4 ed4) 7.Be2 Nc5 8.Nc3 0–0 9.0–0 a6 10.d4 ed4; B) 6.Be2 Nc5 (6...Ngf6 7.Nf3 Qe7 8.Nc3 0–0 9.d4 a6 10.0–0 ab5; 6...a6 7.Nc3 Ngf6 8.Nf3 ab5 9.cb5 e4 10.Nd4 0–0; 6...Qe7 7.Nf3 Ngf6 8.Nc3 e4 9.Nd4 Ne5 10.0–0 0–0) 7.Nf3 Nf6 8.Nc3 0–0 9.0–0 Bd7 10.Qc2 Re8; C) 6.Nc3 Ngf6 7.Nf3 0–0 8.Be2 Nc5 9.0–0 Bd7 10.Qc2 Re8) 6.Be2 (6.Nc3 Nd7 (6...0–0 7.Nf3 Bf5 8.Be2 Nd7 9.e4 Bg6 10.0–0 Nc5) 7.Nf3 0–0 8.Be2 Nf6 9.0–0 Nf5 10.Qc2 Bd7; 6.Nf3 0–0 (6...Bf5 7.Nc3 0–0 8.Be2 Nd7 9.0–0 a6 10.e4 Be6; 6...a6 7.Nc3 Nd7 8.Na4 0–0 9.Nb6 Nb6 10.ba6 ba6) 7.Nc3 Bf5 8.Be2 a6 9.0–0 Nd7 10.e4 Be6) 6...0–0 (6...Bf5 7.Nc3 0–0 8.Nf3 a6 9.0–0 Nd7 10.e4 Be6; 6...a6 7.Nf3 ab5 8.cb5 0–0 9.Nc3 Bf5 10.e4 Be6) 7.Nc3 f5 (7...a6 8.Nf3 Bf5 9.0–0 Nd7 10.e4 Be6) 8.Nf3 (8.Qb3 Be6 9.Nf3 Nd7 10.0–0 h6) 8...c6 (8...e4 9.Ng5 h6 10.Qb3 Bc5) 9.a4 (9.c5 Bc5 10.Qb3 Kh8=; 9.Qb3 c5 10.0–0 e4) 9...Ng6 (9...e4 10.Ng5= (10.Nd4 c5) 10...Ng6) 10.a5 (10.0–0 Be6=) 10...Ba5 11.Qb3 (11.0–0 a6=) 11...Be6 (11...e4 12.bc6 bc6 13.c5 Kh8 14.Nd4 dc5 15.Ne6 Be6 16.Qe6=) 12.bc6 bc6 13.Qb7 (13.h4 h6=) 13...Qb6 14.Qb6 Bb6 (14...ab6 15.Ng5 Bf7 16.g4=) 15.Na4 (15.Ng5!? Bd7 16.c5 Bc5 17.Bc4 Kh8 18.Na4+=) 15...Nd7 16.Ng5 Bf7 17.h4 Bd8 18.Nf7 Kf7 19.h5 Ne7 20.g4 c5 (20...fg4 21.Bg4 Nf6 22.Bf3=) 21.gf5 Nf5 22.Bg4 Ke7 23.Nc3 Nh6 (23...a5!?+=) 24.Nd5+/– 24...Ke8 25.Bh3 (25.Be6 Nf6+/–) 25...Nb6 (25...Nf6!?+=) 26.Nb6+/– 26...Bb6 27.Rg1 Rf7 28.Be6 Re7 29.Bd5 Rb8 30.Bc3 Kf8 31.Rg3 (31.f4 Nf7+/–) 31...Ng8 32.Ke2 (32.Rf3 Nf6+/–) 32...Nf6= 33.Rf3 h6 (33...Ke8 34.Bc6 Kf7 35.Rf5=) 34.Rg1+/– Ke8?? (better is 34...Ree8+/–) 35.Rf6+–! gf6 36.Rg8 Kd7 37.Rb8 Re8 38.Re8 (better is 38.Bc6! and White has it in the bag 38...Kc6 39.Re8 Kd7+–) 38...Ke8 39.Kf3 Kf8 (39...a5 doesn't get the bull off the ice 40.Ke4 a4 41.Bc6 Kf7 42.Ba4+–) 40.Kg4 Kg7 41.Kf5 a5 42.Bc6 Bc7 (42...Kf7 doesn't change anything anymore 43.Bb2+–) 43.Ke6 Bb8 (43...Kf8 cannot change destiny 44.Kf6 Bd8 45.Ke6+–) 44.Ba5 +–. Hoelldorfer,August – Roettger,Franz, Bayern–ch Seniors, 1996.

4.e3 Bb6 5.Nf3 Nf6 A) 6.Na3 A1) 6...Nbd7 7.Nc4 (7.Be2 Nc5 8.Nc4 Na4 9.Rb1 0–0 10.0–0 Nd5 11.Nb6) 7...0–0 8.Be2 e4 9.Nd4 Ne5 10.0–0 Qe7 11.f4; A2) 6...h6 7.Nc4 (7.Be2 Be6 8.0–0 0–0 9.h3 c6 10.c4 Nbd7 11.d4) 7...0–0 8.Be2 (8.h3 Be6 9.Be2 Nbd7 10.0–0 e4 11.Nd4) 8...Be6 9.0–0 Nbd7 10.h3 e4 (10...Qe7 11.a4) 11.Nd4; A3) 6...Bf5 7.Nc4 (7.Be2 0–0 8.Nc4 Nbd7 9.0–0 h6 10.a4 a6 11.d4; 7.Nh4 Be6 8.Nc4 Nbd7 9.Bd3 Nc5 10.0–0 0–0 11.Qf3) 7...0–0 8.Be2 Nbd7 9.0–0 Qe7 10.a4 a6 11.Nb6; A4) 6...e4 7.Nd4 c5 8.Ne2 0–0 9.Ng3 Nbd7 10.Be2 Ne5 11.Nc4; A5) 6...0–0 7.Nc4 (7.Be2 Be6 8.Nc4 Nbd7 9.0–0 Qe7 10.d4 e4 11.Nfd2) 7...Be6 8.Be2 Nbd7 9.0–0 Qe7 10.h3 (10.d4 e4 11.Nfd2) 10...h6 11.a4; B) 6.Be2 B1) 6...0–0 7.Nc3 (7.0–0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 h6 11.Na3; 7.Na3 Be6 8.0–0 Nbd7 9.Nc4 Qe7 10.d4 e4 11.Nfd2) 7...a6 8.a4 ab5 9.ab5 Ra1 10.Qa1 Bf5 11.d3; B2) 6...Bf5 7.a4 (7.Nc3 0–0 8.0–0 Nbd7 9.Bc4 Ba5 10.h3 Bc3 11.Bc3; 7.0–0 0–0 8.Nc3 Nbd7 9.h3 Qe7 10.d4 h6 11.Qd2; 7.Na3 0–0 8.Nc4 Nbd7 9.0–0 Qe7 10.a4 a6 11.Nb6) 7...Nbd7 8.a5 Bc5 9.d4 Bb4 10.c3 Bc5 11.dc5; B3) 6...e4 7.Nd4 c5 8.Nb3 Nbd7 9.Na3 0–0 10.0–0 Ne5 11.Nc4; B4) 6...h6 7.d4 e4 8.Nfd2 0–0 9.0–0 Bf5 10.Nc3 d5 11.f3; C) 6.a4 e4 7.a5 Bc5 8.d4 ed3 9.Bd3 0–0 10.Nbd2 a6 11.c4; D) 6.Nc3 0–0 (6...a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 0–0 10.Na4 Ba5 11.Bc4) 7.a4 (7.h3 Be6 8.Ng5 Nbd7 9.Qf3 d5 10.Be2 d4 11.Ne6; 7.Bd3 Nbd7 8.0–0 Nc5 9.Be2 Bd7 10.d4 ed4 11.Nd4) 7...Bf5 (7...a6 8.Bd3 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Na4) 8.a5 (8.Be2 a6 9.a5 Bc5 10.d4 ed4 11.ed4) 8...Bc5 9.d4 (9.h3 a6 10.g4 Be6 11.Ng5) 9...ed4 (9...Bb4 10.de5 de5 11.Ne5) 10.Nd4 Bd4 11.Qd4.

4.e3 c6 5.a4 Nf6 6.c4 0–0 7.Nf3 Bg4 8.Be2 Re8 (8...e4 9.Nd4 Be2 10.Qe2=) 9.0–0= Nbd7 10.d4 Bb6 11.Nbd2 Bc7 (11...e4 12.Nh4 Be2 13.Qe2=) 12.h3 Bh5 ˝–˝. Nikolic,Jovane (1690) – Vicentin,Marcos Tadeu (1845), Sao Bernardo do Campo BRA, 3rd Open, 2012.

4.e3 c6 5.Nc3 Nf6 6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 0–0 9.0–0 (9.Na4 Bb4 10.a3=) 9...Nfd7 (9...d5!?=) 10.bc6 (10.d4 ed4 11.ed4 Bb6+=) 10...Nc6 11.d4 (11.Nd5!?+=) 11...ed4= 12.ed4 Nd4 13.Nd5 (13.Ne4!? Nf3 14.Qf3=) 13...Nf3+= 14.Qf3 Ne5 (14...Qh4 15.Rae1 Rae8 16.Qf5+=) 15.Qg3= f6 16.Kh1 (16.Rad1 Rc8=) 16...Ng6 (16...Kh8 17.Rfe1=) 17.Rfe1 (17.f4 Kh8=) 17...Rc8 (17...Qd7 18.Rad1=) 18.c4 (18.Kg1 Qd7=) 18...Ne5 (18...Qa5 19.f4 Qd2 20.Bc3+=) 19.Be5 (better is 19.f4!? Ng6 20.h4+=) 19...fe5–/+ 20.Re4 (20.f3!?–/+) 20...Bf2 21.Qh3 (better is 21.Qd3–+) 21...Qg5?? (21...Bd4 22.Rae1–+) 22.Qe6?? (better is 22.Rg4 Qd8 23.Re4=) 22...Kh8–+ 23.Rg4 Qh6 24.Qh6 gh6 25.Ne7 Rc7 26.Nd5 Rcf7 27.g3 Bd4 28.h4?? Ba1 (28...Ba1 29.Kg2 Rf2 30.Kh3 Ra2–+) 0–1. lesbian13 – icewater, Live Game Caissa's Web, 2005.

4.e3 c6 5.d4 ed4 6.ed4 Bb4 7.c3 Ba5 =.

4.e3 Nd7 5.Be2 Ngf6 6.Nf3 0–0 7.0–0 Qe7 (7...e4 8.Nd4=) 8.c4 (8.d4 Bb4=) 8...e4 9.Nd4 Ne5 10.f4 ef3 11.Nf3 Nfd7 (11...a6 12.d4 Nf3 13.Rf3=) 12.Nc3 (12.d4 Nf3 13.Rf3 Bb6+=) 12...c6 (12...Nf6 13.a3+=) 13.a4 Nf3 14.Bf3 Ne5 15.d4 (15.Be2 Bb4+=) 15...Nc4= 16.dc5 (16.Qe2 Qe3 17.Qe3 Ne3 18.dc5 Nf1 19.Kf1 dc5 20.Ba3+=) 16...Nb2 (better is 16...Qe3 17.Kh1 Nb2=) 17.Qe2+= dc5 (17...Nc4 18.bc6 Na5 19.Nd5+=) 18.e4 (18.bc6 bc6 19.Qb2 Qe3 20.Kh1 Ba6+–) 18...cb5 (18...Na4!? 19.Na4 Bd7+/–) 19.ab5 Rd8 20.Qb2 Qe5 21.Qc2 b6 (21...Bd7 22.Rfd1+–) 22.Nd5 f5? (better is 22...Bb7+–) 23.Nb6! Rb8 (23...ab6 24.Ra8 Pinning (24.Ra8 Deflection)) 24.Nc8 Rbc8 25.Qc4 Kh8 26.ef5 Rc7 27.Rad1 Rcd7 28.Rd7 Rd7 29.Qe2 Qd4 30.Kh1 Rd8 31.Rd1 Qd1 32.Qd1 Rd1 33.Bd1 Kg8 34.Bb3 Kf8 35.g4 Ke7 36.Kg2 Kf6 37.Kf3 Ke5 38.h4 h6 39.Bc2 Kd4 40.g5 hg5 41.hg5 Ke5 42.Kg4 1–0. Nikolic,Jovane (1690) – Pinto,Ana Vitoria De Jesu (1750), Sao Bernardo do Campo BRA, 3rd Open, 2012.

4.e3 Be6 5.f4 ef4=+ 6.Nf3 Nf6 7.ef4 0–0 8.d4 Bb6 9.Bd3 c5 10.Nbd2 Nd5 11.Bh7? Kh7–+ 12.Ng5 Kg8 13.0–0 Ne3 14.Qh5 Bf5 15.Rf3 cd4?? 16.Rh3! (16...Bh3 17.Qh7#) 1–0. Rodrigues Neto,Jose – Hirsch,Nelson, corr BRA, 1995.

4.e3 Qe7 5.c4 a6 6.a4 Nf6 7.Qc2 Bg4 8.Ne2 Bh5 9.Ng3 Bg6 10.Nf5 Bf5 11.Qf5 Qe6 12.Qf3 c6 13.Qg3 Qg4 (13...ab5!? 14.cb5 0–0+=) 14.Qg4= Ng4 15.Nc3 Nd7 16.Ne4 ab5 17.ab5 Ke7 18.Be2 Ra1 19.Ba1 Ra8 20.Bc3 Ngf6 21.Nf6 Nf6 (worse is 21...gf6 22.d4 Bb6 23.Bd3+=; worse is 21...Kf6 22.d4 Bb6 23.Bg4=) 22.bc6 bc6 23.Bf3 e4 24.Bd1 Nd7 25.0–0 Nb6 26.Bc2 f5 27.d4? (better is 27.Rb1+=) 27...ed3–+ 28.Bd3 (better is 28.Bb1 g6 29.Rd1–/+) 28...Ra3 29.Bf5 Rc3 30.Bh7 Nc4 31.h4 Kf7 32.g4 Ne5 33.Be4 d5 34.f4 Ng4 35.Bf5 Ne3 (35...Ne3 36.Bc8 Nf1 37.Kf1 Rf3 38.Ke2 Rf4–+) 0–1. Pruvost,Alain – Carlier,Guillaume (1870), Bethune op, 2000.

4.e3 Qe7 5.d4 ed4 6.Bd4 Bd4 7.Qd4 Nf6 8.Nf3 Bg4 9.Be2 Nbd7 10.0–0 0–0 11.c4 Nc5 12.Nc3 c6 13.h3 Bh5 14.g4 Bg6 15.Nd2?? (better is 15.Nh4+=) 15...Ne6–+ 16.Nd5 cd5 17.Qc3 Rac8 18.f4 dc4 (better is 18...Ne4!? 19.Ne4 Be4 20.Qb4–+) 19.f5 Nd5 20.Qa3 Nc5 (better is 20...Qh4!? 21.Qd6 Rfd8 22.Qh2 Ne3 23.Nf3 Nf1 24.Rf1–+) 21.fg6 (21.Nc4 Qh4 22.Rf3 Ne4–+) 21...hg6 (better is 21...Ne3!? 22.gf7 Kh8–+) 22.Nc4–/+ Qh4 23.Rf3 Ne4 24.Nd6 Rc3 25.Qa4 (25.Qa7 Ng5 (25...Nd6?! 26.Qd4–/+) 26.Ne4 Ne4 27.Qb7 Re3–+) 25...Nd6 26.Qd4 Re3! 27.Qd5? Re2 28.Qd6 Rd8 29.Qf4 Rdd2 30.Rg3?? Qe7–+ 31.Rc1 Re1 32.Re1 Qe1 33.Qf1 Qg3 0–1. cmulligan (2230) – dartking (2340), net–chess.com, 2011.

4.e3 Qe7 5.Nf3 Bg4 6.Be2 Nd7 7.0–0 Bb6 8.d4 Rd8 9.a4 a6 10.c4 Ngf6 11.a5 Ba7 12.Nc3 0–0 13.Ba3 Qe6 14.Rb1 Bf3 15.gf3 Rb8 16.Rb2 Rfe8 17.Na4 ed4–/+ 18.ed4 ab5 19.cb5 Rbc8 20.a6 ba6 21.ba6 Nb6 22.Nb6= Bb6 23.Bb5 Red8 24.Bc6 Nd5 25.Qd2 Qg6+= 26.Kh1 Qf5 27.Rb3 Nf4 28.Rg1 Ne6 29.Bb2 d5 30.Ra1 Ba7 31.Qe3 Rb8 32.Rb7 Nf4 33.Bc1?? Qf6 34.Qf4 Qc6 35.Ra7 Qc3 36.Rc7 Qa1 37.Qf7 1–0. Neuwald,Volker (1780) – Schweitzer,Michael (1820), Baden–ch HT4, 1994.

4.e3 Qe7 5.Nf3= Bg4 6.Be2 Nf6 7.0–0 0–0 8.d4 ed4 9.Nd4 Be2 10.Ne2 Re8 11.Ng3 Nbd7 12.Nc3 a6 13.a4 Ne5 14.Nd5 Nd5 15.Qd5 Ng4 16.Bd4 Bd4= 17.Qd4 Nf6 18.c4 Qe5 19.Rfd1 Ne4 20.Ne4 Qe4 21.Rac1 ab5 22.cb5 Ra4? 23.Qe4+/– ˝–˝. Schwichtenberg,Juergen – Birkmeyer,Gerd, Hessen–ch Seniors, 2001.

4.e3 Bf5 5.Ne2 Nd7 6.d4 Bb4 7.Nd2 Ngf6 8.c3 Ba5 9.Ng3 Bg6 (Better is 9...ed4!? 10.cd4 Bg6=) 10.Nc4 Bb6 11.Nb6 ab6 12.Be2 0–0 13.0–0 c5 (13...Qe7 14.c4=) 14.c4 Ne4 (Better is 14...Re8!?+=) 15.Ne4+– Be4 16.de5 de5 17.Bf3 Bf3 18.Qf3 Qc7 (18...Qe7 19.Qb7 e4 20.f3+=) 19.Qf5+/– g6 20.Qe4 Rfe8 21.Rfd1 Re6 22.a3 Rd6 23.Rd6 Qd6 24.Qb7 Ra4 25.Qc6 Qd2 26.Be5 Rc4 27.h3 Rc1 28.Rc1+– Qc1 29.Kh2 Ne5 30.Qe8 Kg7 31.Qe5 Kg8 32.a4 c4 33.a5 ba5 34.b6 Qb1 35.Qb8 Kg7 36.b7 Qe4 37.Qc7 c3 38.b8Q (38...Qe6 39.Qc5 Qc8 40.Qce5 Kh6 41.Qc8 f5 42.Qf8 Kh5 43.g4 Kg5 44.Qee7#) 1–0. Trkn – guest195, ICC, 2004.

4.e3 Nf6 (--> 3.Bb2 Nf6 4.e3 d6).

4.Nf3 Bf5 5.e3 Nf6 6.d4 ed4 7.Nd4 Bd4 8.Bd4 0–0 9.Qf3 Be4 10.Bf6+= Qf6 11.Qf6 gf6 12.Nc3 f5 13.f3+– Bc2 14.Rc1 Re8 15.Kd2 (15...f4 16.e4+– (16.Rc2?! fe3 17.Ke2 c6+–; 16.Kc2?! fe3 17.Nd5 Nd7+–); 15.Nd5 Ba4 16.Nf6 Kf8 17.Ne8 Ke8 18.Rc7 f4+–) 1–0. Maec,Michael – Kirmse,Horst, remoteschach.de, 2003.

4.Nf3 Nf6 5.c4 a6 6.d4 ed4 7.Bd4 Be6 8.Bc5 dc5 9.Qd8 Kd8 10.e3 Nbd7 (10...ab5 11.cb5 Ra2 12.Ra2 Ba2 13.Nc3–/+) 11.Ng5 Ne5 (11...ab5 12.Ne6 fe6 13.cb5+=) 12.a3 (better is 12.f4!? Neg4 13.ba6 ba6 14.e4+=) 12...Ke7 13.Ne6 Ke6 14.Be2 h5 (14...ab5 15.cb5 Rhd8 16.Ra2+=) 15.0–0 (15.Nc3 ab5 16.Nb5 Rhc8=) 15...h4 (15...ab5 16.cb5 Rhd8 17.Rc1+=) 16.f4 Neg4 17.Bf3 Rab8 (17...Ne3? A) 18.Bb7 Nf1 (worse is 18...Nc4 19.Re1 Kf5 20.Ba8 Ra8 21.ba6+=) 19.Ba8 Ra8 20.Kf1 ab5+=; B) 18.Re1 Kf5 19.Re3+–) 18.h3 Nh6 (18...Ne3? 19.Re1 Rhe8 20.Re3 Kf5 21.Re8 Ne8 22.ba6 ba6 23.Nc3+–) 19.ba6 ba6 20.Nc3 Nf5 21.Na4 Nd7? (better is 21...a5!?+/–) 22.Bg4+– Kf6 (22...Nf6 23.e4 Ng4 24.ef5 (24.hg4?! Ne3 25.Nc5 Kd6 26.Na6 Rb7+/–) 24...Kf5 25.hg4 Kg4 26.Nc5+–) 23.e4 Ne3 24.Bd7 Nf1 25.Kf1 g5 (25...Ke7 26.Nc5 Kd6 27.Na6 Kd7 28.Nb8 Rb8 29.a4+–) 26.Nc5 gf4 27.Na6 Rbd8 28.Bc6 Rd6 (28...Rd4 29.Bd5 c6 30.Bc6 Rc4 31.Nb4+–) 29.Nb4 Rg8 30.Bd5 Rg3 (30...Rb6 31.Nc6+–) 31.Nc6 Kg7 32.Ne7 Kf6 33.Nf5 Rd3 (33...Ra6 34.Ng3 fg3 35.Rb1+–) 34.Nd6 cd6 35.a4 f3 (35...Rg3 36.a5 f3 37.a6 fg2 38.Kg1 Rh3 39.Kg2 Rg3 40.Kh2+–) 36.a5 fg2 37.Kg2 Ke5 (37...Rd2 38.Kg1 Rd3+–) 38.a6 Kf4 39.a7 Rd2 40.Kf1 Kg3 41.a8Q Rf2 42.Ke1 Rf3 43.Qg8 Kh3 44.Ke2 Rg3 45.Rh1 Kg2 46.e5 1–0. Macko (1820) – Narayanan (1700), playchess.de, 2006.

4.Nf3 Nf6 5.e3 (--> 3.Bb2 Nf6 4.e3 d6 5.Nf3).

4.Nf3 Bg4 5.e3= Qd7 6.c4 Nf6 7.Nc3 e4 8.h3 ef3 9.hg4 Qg4 10.Qf3 Qf3 11.gf3 a6 12.a4 b6 13.Bg2 Nbd7 14.f4+– Ra7 15.Bc6 0–0? 16.Ke2 Nb8 17.Bf3 a5?? 18.Rag1+– Nbd7 19.Ne4 Re8 20.Nf6 Nf6 21.Bf6 g6 22.Rh6 Re6+– 23.Bb2 c6 24.Bc6 Rae7 25.Bd5 Re3 26.fe3 (26...Re6 27.Rh7+–) 1–0. Francia,Pasquale – Paorao, 5 minutes game, 2005.

4.e3 a5

5.Ba3 Ba3=+ 6.Na3 c6 7.Qf3 Bd7 8.Bc4 Nf6 9.bc6 Bc6=+ 10.Qg3 0–0 11.Nh3 h6 12.Qh4 Ne4 13.Qg4 Nf6 14.Qf5?? Be4–+ 15.Bf7 Rf7 16.Nb5 Bf5 17.Nd6 Qd6 (18.Ng1 Bc2–+) 0–1. manofsteel2 – Huff4, Live Game Caissa's Web, 2005.

5.Nc3 c6 6.Ne4 Bb6 7.d4 Bf5 (better is 7...d5 8.Ng3 e4=) 8.de5?? (better is 8.Ng3 Bg6 9.de5+/–) 8...Be4–/+ 9.ed6 (9.Qg4!? Bg6 10.ed6–/+) 9...Nf6–+ 10.bc6 Nc6 11.Bb5?? (11.Nf3 Bc5 12.Nd2 Bg6–+) 11...0–0 (better is 11...Bg2 12.Bf6 Qf6–+) 12.Bc6 (12.f3 Bg6 13.Bc6 bc6–+) 12...bc6 13.c4 (13.Nf3 Bd5–+) 13...Bc5 (better is 13...Bg2 14.Bd4 Qd6–+) 14.Nf3 Bf3 (better is 14...Bb4 15.Ke2 Bd6–+) 15.Qf3 Qd6 16.Rd1 (16.Bf6 Bb4 17.Ke2 gf6 18.Qg4 Kh8–+) 16...Qe6 17.Bf6 Bb4 18.Ke2?? (18.Kf1 Qc4 19.Qe2 Qe2 20.Ke2 gf6 21.Rd7–+) 18...Qc4 (18...Qf6?! 19.Qf6 gf6 20.Rd7–/+; 18...gf6?! 19.Rd4 Rfd8 20.Rhd1 Rd4 21.Rd4–+) 19.Rd3 gf6 (19...Qc2 20.Kf1 Qd3 21.Kg1 Qb1 22.Qd1 Qd1) 20.Ra1 (20.Qg3 Kh8 21.Rhd1–+) 20...Qc2 (20...Qc2 21.Kf1 Qd3 22.Kg1 Rfd8–+) 0–1. kamera – tage01 (1660), GameColony.com, 2002.

5.Nc3 Nf6 6.Na4 Ba7 7.Nf3 =.

5.c4 Nf6=+ 6.Be2 0–0 7.d3 (7.Nc3 Re8=+) 7...Re8 (7...a4 8.Nf3=+) 8.g3 (8.Nf3 a4=) 8...Nbd7 9.h4 Qe7 10.Bg4 (10.Nc3 Nb6–/+) 10...b6 (10...Bb4 11.Bc3–+) 11.Bd7 Nd7 12.Qf3 Ra7 13.e4 Nf6 14.Qg2 Ng4 15.a4?? (better is 15.Nh3–/+) 15...Bf2 (15...Nf2 16.d4 Bd4 17.Bd4 Nh1 18.Bb2–+) 16.Ke2 Bc5 17.Ba3 (17.Nc3 Ne3 18.Qh2 Bg4 19.Kd2 Qf6–+) 17...Bd4 18.Ra2 Qe6 (18...f5 19.Ke1–+) 19.Nf3 Qh6 (19...f5 20.Ng5 Qe7 21.Bc1–+) 20.Bc1 Be3 21.Ng5? (better is 21.Bd2–+) 21...Bc1 22.Rc1 f6 23.Rh1 fg5 24.h5 Rf8 25.Ke1 Qf6 (25...Ne3 26.Qe2 g4 27.Rd2–+) 26.Rf1 (26.Nc3 Rf7–+) 26...Qf1 (better is 26...Ne3 27.Rf6 Ng2 28.Rg2 Rf6 29.Nc3–+) 27.Qf1 Rf1 28.Kf1 Nf6 29.Rh2 Bg4 30.h6 c6! 31.bc6 Rc7 32.Na3 Rc6 33.Nb5 Bd1 34.Na7 Rc5 35.Nb5 Ne8 36.Nc3 Bg4 37.Nd5 b5! 38.ab5 Kf7 39.hg7 Kg7–+ 40.Ne7 Bd7 41.Nd5 Nf6 42.Ra2? Nd5 43.ed5 Bf5 44.Ke2 e4 45.de4 Be4 46.Ra5 Rc4 47.Ra7 Kf6 48.Ra6 Ke5 49.b6 Bd5 50.Ra7 h5 51.b7 Rb4 52.Ra8 Rb7 53.Rh8 Rb3 54.Rh5 Bf3 (54...Bf3 55.Kd2 Bh5–+) 0–1. riverborne – sing, Live Game Caissa's Web, 2005.

5.d4!? ed4 6.ed4 =.

5.Nf3 Bg4 =.

4.e3 f6

5.c4 Bd7 6.Nf3 c6 7.a4 Ne7 8.d4 Bb4 9.Nc3 0–0 10.Bd3 Qa5 11.Qc2 g6 12.0–0 ed4 13.Nd4 cb5 14.cb5 d5 (14...Kh8 15.Be4 Bc8 16.Rfd1+–) 15.Nce2 (better is 15.Nd5!? Nd5 16.Qc4+–) 15...Bg4 16.Nf4 Nd7 (better is 16...Bd6+/–) 17.Ng6?? (better is 17.f3 Rac8 18.Qb1+–) 17...hg6+= 18.Bg6 Rac8 19.Qb1 Nc5 20.Ba3 (better is 20.Bf5!? Bf5 21.Nf5+=) 20...Ba3–/+ 21.Ra3 Ne4?? (better is 21...f5 22.h3 Bh3–+ (worse is 22...Ng6 23.hg4 Ne7 24.gf5+=; 22...Na4 23.hg4 Ng6 24.gf5+/–)) 22.Be4+– de4 (22...f5 23.Bc2+–) 23.Qe4 f5 24.Qe7 Rce8 (24...Rc7 25.Qe6 Kh7+–) 25.Qg5 Kh8 (25...Kf7 26.Nf5 Bf5 27.Qf5 Ke7 28.Qe4 Kf6 29.Qb7+–) 26.h3 Qb4 27.Raa1 1–0. Fournier,Frederic – Chalvet,Philippe, Partie Libre (Active), 1994.

5.c4 Be6 6.d4 ed4 7.ed4 Bb4 8.Nd2 (8.Bc3 Bc3 9.Nc3 Qe7=) 8...Qe7 9.Qe2 Bd2 (9...d5!? 10.c5 Bg4 11.Qe7 Ne7=) 10.Kd2+= Nd7? (10...Bf5 11.Re1 Qe2 12.Ne2+/–) 11.Nf3?? (better is 11.Re1 Bf7 12.Qg4+–) 11...0–0–0= 12.Qe3 Re8 (12...Kb8 13.Bd3=) 13.Bd3 (13.d5 Bg4 14.Qa7 Nc5+=) 13...Nh6 (13...Qf7!? 14.Rae1 Nh6=) 14.d5+/– Bf5 15.Rhe1 (15.Qe7 Re7 16.Bd4 Bd3 17.Kd3 Rhe8+=) 15...Qe3= 16.Re3 Nc5 (16...Bd3 17.Rd3 Nc5 18.Ra3=) 17.Bf5 Nf5 18.Rae1?? (better is 18.Re8 Re8 19.Re1 Re1 20.Ne1 Ne4 21.Ke2=) 18...Ne3–+ 19.fe3 Re4 20.Bd4 Rhe8 21.Rc1 (21.Bc5 dc5 22.Kd3 f5–/+) 21...R4e7 (21...Kd7 22.h3–+) 22.Bc5 dc5 23.Kd3?? (better is 23.Rc3–+) 23...Re3 (23...Re3 24.Kd2 Re2 25.Kd1 Rg2–+ (worse is 25...Ra2 26.Nd2–+)) 0–1. Fredek (2065) – Lelalulilo, Freundschaftspartie, 5m + 0s, 2006.

5.c4 Be6 6.Nf3 a6 7.a4 (7.d4 Bb4 8.Bc3 Bc3 9.Nc3 ab5 10.Nb5 Ne7=) 7...Nd7 (7...ab5 8.cb5 Bg4 9.a5=) 8.Nc3 (8.d4 Bb4 9.Bc3 Bc3 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Nb6=) 8...c6 (8...ab5 9.ab5 Ra1 10.Ba1=) 9.Be2 (9.d4 Bb4=) 9...Ne7 (9...ab5 10.cb5 Ne7 11.d4=) 10.0–0 0–0 11.d4 Bb4 12.Qb3 c5 13.dc5 dc5 14.Rfd1 Qc7 (14...ab5 15.ab5 Ra1 16.Ba1+=) 15.Rac1 Bc3 16.Bc3 e4 (16...Rfd8 17.a5=) 17.Nd2+= f5 18.Qb2 Nf6 19.Be5 Qc8 20.b6 Nc6 (20...Ng6 21.Nb3+=) 21.Bd6 Rd8 22.Bc5 Na5? (better is 22...Bf7!?+/–) 23.Be7+– Nc4? (23...Rd7 24.Bf6 gf6 25.Qf6 Qc6+–) 24.Nc4 (worse is 24.Bc4 Qd7 25.Bd8 Rd8 26.Be6 Qe6+–) 24...Rd1 25.Bd1 Bc4 (25...Nd5 26.Bd6+–) 26.Rc4! (26.Rc4 Qc4 27.Bb3+–) 1–0. Lebel,Patrick (2255) – Fargere,Jacky, Cannes op2, 1990.

5.d4 Bb4 6.c3 Ba5 7.Nf3 (7.Bd3 Ne7=) 7...c6 (7...e4 8.Nfd2 d5 9.Nb3=) 8.Bd3+= Bd7 (8...cb5 9.Bb5 Bd7 10.Qb3+=) 9.0–0 (9.bc6 Nc6 10.0–0 Qb6+=) 9...cb5 10.Qb3 ed4 (10...Ne7!?+=) 11.Nd4 b5 draws heavy fire 11...a6 12.a4 ba4? (better is 12...Nc6 13.ab5 Nd4 14.ed4 Ne7+/–) 13.Qb7+– (13.Qb7 Qb6 14.Qa8 Qb2 15.Ra3+–) 1–0. pcmvr (2530) – tata (2085), net–chess.com, 2006.

5.d4 Bb6 6.de5 fe5 7.Bc4 Qe7 8.Nf3 Be6 9.Be6 Qe6 10.0–0 Nf6 11.Ng5 Qf5 12.Qf3 Qf3 (worse is 12...Qg5 13.Qb7 0–0 14.Qa8+–) 13.Nf3 Nbd7 14.Nbd2 Nc5 15.a4 a6 16.a5 Ba7 17.b6 cb6 18.Nc4 Ke7 19.ab6 Bb8 20.Nh4 Ke6 21.f4 Ncd7 22.fe5 de5 (worse is 22...Ne5 23.Nf5 Rg8 24.Na5=) 23.Nf3 Bd6 (better is 23...Rc8!? 24.Ng5 Ke7+=) 24.Nd6+= Kd6 25.Rad1 Ke6? (25...Ke7!?+=) 26.Ng5+/– Ke7 27.Ba3 Ke8 28.Ne6 Nd5?? (28...Kf7 29.Rd7 Ke6 30.Re7 Kd5 31.Rg7 Rag8 32.Rg8 Ng8+–) 29.Rd5 (29.Rd5 Nf6 30.Ng7 Kf7 31.Nh5+–) 1–0. Pcmvr – Whiterock, playchess.de, 2004.

5.d4 ed4 6.ed4 Bb4 7.c3 Qe7 8.Be2 Ba5 =.

5.d4 ed4 6.ed4 Qe7 7.Be2 Bb6 =.

5.Be2 Be6 6.d4 ed4 (6...Bb6 7.Nf3=) 7.ed4 Bb4 8.Bc3 (8.c3 Ba5+=) 8...Bc3= 9.Nc3 Nd7 (9...c6 10.Nf3+=) 10.Ne4 (10.Nf3 Ne7+=) 10...Ne7 (10...f5 11.Ng3=) 11.Nf3 Nf5 (11...0–0 12.0–0=) 12.0–0+= Qe7 (12...d5 13.Ned2+=) 13.a4 (13.c4 0–0–0+=) 13...0–0–0 (13...d5 14.Ned2+=) 14.Re1 Nb6 (14...d5 15.Ned2+=) 15.c4 (15.a5 Nd5 16.Qd2+/–) 15...Rd7? (15...d5 16.Nc5 dc4 17.Bc4 Nc4 18.Ne6 Rde8+–) 16.Qc2 White prepares c5 (better is 16.Bd3 Nh6 17.d5+–) 16...d5? (16...Rdd8 17.a5 Na8 18.Bd3+–) 17.c5?? (17.Nc5 Re8 18.cd5 Rd5 19.Ne6 Qd7+–) 17...Nc4?? (better is 17...de4 18.cb6 ab6 19.Qe4 Nd6+/–) 18.Bc4+– dc4 19.Nfd2 Rd4 20.Rad1 Bd5?? 21.Nd6! Nd6 22.Re7 (22.Re7 Rd8 23.cd6 Rd6 24.Qh7+–) 1–0. valpa – Rockman_166, playchess.de, 2002.

5.Be2 Ne7 6.d4 Bb4 7.c3 =.

5.Nf3 Nd7 6.Be2 Nb6 7.0–0 Be6 8.d4 Bd4?? (better is 8...Na4 9.Bc1 Bb4+=) 9.ed4+– Ne7 10.de5 de5 11.Qd8 Rd8 12.Nc3 0–0 13.Ba3 Rf7 14.Rad1 Ned5 15.Nd5 Nd5? (15...Rd5 16.c4 Rdd7+–) 16.c4 Rfd7 17.cd5 Bd5 18.Rd3 (better is 18.Bc5 Kf7+–) 18...e4 19.Rd5! Rd5 20.Bc4 (better is 20.Ne1!? Kh8 21.Bc1+–) 20...ef3 21.Rd1 c6 22.Bd5 cd5 23.gf3 Kf7 24.Kf1 Ke6? 25.Ke2 Ke5 Black prepares the advance d4 26.Ke3 g5 27.Rd4 f5? 28.f4 gf4 29.Rf4 d4 30.Rd4 Rd4 31.Bb2 f4 32.Kf3 Kd5 33.Bd4 Kd4 34.Kf4 Kc5 35.a4 Kb4 36.Ke4 Ka4= 37.b6 ab6?? 38.Kd3 Kb3?? 39.f4+– Kb4 40.f5 Kc5–+ 41.f6 Kd6 42.Kc4 h5 43.Kb5= h4 44.Kb6 Ke6 45.Kb7 Kf6 46.Kc6 Kf5 47.Kd5 Kf4 48.Kd4 Kf3 49.Kd3 Kg2 50.Ke2 h3 51.Ke1 ˝–˝. Rush,Bradley – Brough,Carl, 56. LSS No Engine Cup Preliminary, 2011.

5.Nf3 Be6 6.Nc3 (6.d4 ed4 7.Nd4 Bd5=) 6...Ne7 (6...Nd7 7.Be2=) 7.Be2 (7.Ne4 Bb4=) 7...a6 8.0–0 (8.d4 Bb4=) 8...ab5 9.Bb5 Nbc6 (9...c6 10.Be2+=) 10.d4 Bb4 11.d5 (11.a3!? Bc3 12.Bc3=) 11...Bc3–/+ 12.dc6 bc6 13.Bc6 Nc6 14.Bc3 Ra2 15.Ra2 Ba2 16.Qd3 0–0 17.Ra1 Be6 18.Ba5 (18.Ra6 Qd7–/+) 18...Na5 (18...Qe7 19.Qe4 d5 20.Qd3–/+) 19.Ra5 Qb8 (19...f5 20.Qc3–/+) 20.h3 (20.Rb5 Qe8–/+) 20...Qb7 21.Qa3 (better is 21.Rb5!? Qc6 22.Nd2–/+) 21...Qb1–+ Black is in command 22.Kh2 Qc2 23.Ra8 (23.Kg1 Qd1 24.Kh2 Bd5–+) 23...Bd5 (23...Qf2!? 24.Ra7 Bd5 25.e4 Be4 26.Rc7–+) 24.Rf8 Kf8 25.Kg3 Qg6 26.Kh2 Bf3 27.gf3 e4 (27...Ke7 28.Qc3 c5 29.e4–+) 28.Qa8 (28.Qa7 ef3 29.Qb8 Qe8 30.Qc7 Qe5 31.Kh1 f5–/+) 28...Qe8 29.Qb7 ef3 (29...Qe5!? 30.Kg2 d5 31.fe4 de4 32.f3–+) 30.Qc7 Qe5 31.Kg1? (31.Kh1 d5 32.Qd8 Kf7 33.Qd7 Kg6 34.Qg4 Kh6 35.Qf3–/+) 31...Qg5 32.Kf1 Qg2 33.Ke1 Qg1 34.Kd2 Qf2 35.Kd3 Qe2 (35...Qf1 36.Kd4 Qd1 37.Ke4 d5 38.Kf4–+) 36.Ke4 d5 37.Kd5 (37.Kf5 Qd3 38.Kf4–+) 37...Qd3 38.Ke6 Threatening mate: Qf7 38...Qe3 39.Kf5 Qe5 40.Qe5 fe5 41.Ke5 f2 (41...f2 42.Ke4 f1Q–+) 0–1. Dessing,Bastiaan – Kooiman,Tobi, NED–ch U12 Rijswijk, 2001.

5.Nf3 Ne7 6.Be2 0–0 7.d3 (7.d4 Bb6=) 7...Be6 8.0–0 a6 9.c4 (9.d4!? Bb4 10.c3=) 9...ab5+= 10.cb5 Ra2 11.Ra2 Ba2 12.Nbd2 Bf7 13.Qc2 Nd7 14.Ra1 Bg6 15.e4 (15.Nh4 d5+=) 15...f5 16.d4 ed4 17.Bd4 (17.Nd4 Bd4 18.Qc4 Kh8 19.Qd4 Nf6=) 17...Kh8 (17...fe4 18.Ne4 Rf3 19.Bf3 Bd4 20.Qc4 d5 21.Qd4 de4 22.Bg4+/–) 18.Qb2 Bd4 19.Nd4 Rf6 (19...fe4?? 20.Ne6 Rg8 21.Nd8 Rd8 22.f3+–) 20.Qc2? (20.Bf3 Nc5 21.ef5 Nf5+=) 20...Nc5 (better is 20...fe4!? 21.Qb3 Nc5–+) 21.ef5–/+ Nf5 22.Nf5 Bf5 23.Qc4 Qg8 24.Qc3 Rf8 25.h3 Qf7 26.Qf3 Be6 27.Qg3 Qf6 28.Ra7 Bd5 29.Bf3–/+ Bf3 30.Nf3 Qb2 31.Ng5 Qf6?? 32.Nf3–/+ h6 33.Ra3 Ne4 34.Qh4 Qh4 35.Nh4 Kh7 36.f3 Nc5 37.Re3? Rf7?? 38.g4–/+ g5 39.Nf5 d5 40.Kg2 Rd7 Black gets strong initiative 41.Re7 Re7 42.Ne7 d4 43.Nd5 Ne6–+ 44.Kg3 c6 45.bc6 bc6 46.Nf6 Kg6 47.Ne4 c5 48.h4? gh4 49.Kh4 c4 50.Kg3 c3 51.Nf2 c2 52.Nd3 Nc5!? (52...Nc5 53.Nc5 c1Q–+) 0–1. Genne,Rene – Esper,Christian, Pontresina SEM–HT II, 2000.

5.Nf3 Bg4 6.Be2 =.

5.Nf3 Bg4 6.h3 Bh5 7.d4 Bb4 8.c3 Ba5 9.de5 fe5 10.Qd5 c6 11.Qe6 Ne7 12.Ba3 c5 13.Ng5 h6 14.Ne4 Bc7 15.Bd3 Qd7 16.Qb3 Bf7 (16...c4 17.Bc4 (worse is 17.Qc4 d5 18.Qa4 de4 19.Be4 Bd8–/+) 17...d5 18.Nc5 dc4 19.Qa4+=) 17.c4 Qe6 18.Nbc3 Nd7 19.Rd1 b6 (19...0–0 20.Bb2=) 20.Be2 Rd8 21.0–0 Nf6 22.Rd2 0–0 23.Rfd1 Bg6 24.Bf3 Ne4 25.Ne4?? (better is 25.Be4!? Be4 26.Ne4+=) 25...Rf3+= 26.gf3 Qh3 (26...Bh5!? 27.Kh2 Bf3–+) 27.Ng3= h5 28.e4 h4 29.Nf1 Rf8 (29...Bh5 30.Rd3 d5 31.cd5 Rd6–+) 30.Nh2+= Rf4 (30...Bf7 31.Bc1=) 31.Qd3 Bh5 Increases the pressure on the backward pawn 32.Qf1 Qe6 33.Bc1 Rf6 34.Kh1 (34.a3 Bf3 35.Nf3 Rf3=) 34...h3 (34...Bf3 35.Nf3 Rf3 36.Rd3=) 35.Rd3= Ng6 36.Bg5 Rf7 37.Ra3 Bb8 38.Qd3 Nf4 39.Bf4 Rf4 40.Rg1 Kh7 (40...Bf7 41.Ra4=) 41.Rg3 (41.Ng4+/–) 41...Qh6 (41...Rh4!?+=) 42.Qf1 Rh4 43.Rh3 Bf7 44.f4! Qf4?? (44...ef4 45.Rh4 Combination; 44...Rf4 45.Rh6 Pinning (45.Rh6 Deflection); 44...Qf4 45.Rh4 Double attack (45.Rh4 Decoy)) 45.Rh4+– Qh4 46.Rh3 Qh5 47.Rh5 Bh5 48.Qh3 Kh6 49.Qe6 Bg6 50.Ng4 Kg5 51.f3 Bh5 52.Qf5 Kh4 53.Kg2 g6 54.Qf6 g5 55.Nh6 1–0. Novikov,Konstantin Ivan (2215) – Smolskiy,Mikhail (2040), Tula Sinitsin mem, 2007.

3.Bb2 Bf2

4.Kf2 Nf6 5.g3 +–.

4.Kf2 Qh4 5.g3 Qe4 6.Bg2 (6.Nf3 d6 7.Nc3 Qb4+–) 6...Qb4 7.Be5 Qc5 8.d4 Qf8 9.Bc7 Qb4 10.a4 Qe7 11.Ra3 d6 12.Re3 Be6 13.Bb8 Rb8 14.c4 a5 15.d5 Qf6 16.Nf3 Nh6 17.de6 fe6 18.h3 Rd8 19.g4 g5 20.Qd4 e5 21.Qe4 b6 22.Nc3 Qe7 23.Nd5 Qa7 24.Ng5 0–0 25.Ke1 Rd7 26.Rf1 Rf1 27.Bf1 Rg7 28.Nf3 Nf7 29.Nf6 Kh8 30.h4 Rg6 31.g5 Rf6 32.gf6 h5 33.Ng5 Nh6 34.f7! Qe7 35.Rf3 Nf7 36.Qh7# 1–0. riverborne – Pelle3, Live Game Caissa's Web, 2005.

4.Kf2 Qh4 5.g3 Qf6 6.Ke1 Qb6 (6...a6 7.Nf3 d6 8.Kf2+–) 7.a4 (7.Be5 f6 8.Bf4 d5+–) 7...a5 (better is 7...d6+–) 8.Be5 f6 9.Bb2 Nh6 10.e4 d6 11.Be2 0–0 12.Nc3 Nd7?! 13.Nd5 Qc5 14.Ba3 Qd4 15.c3 Qe4–+ 16.Nc7 Ra7?? 17.Nf3 b6 18.Bd6 Qe6?? 19.Ne6 (19...Re8 20.Nc7+–) 1–0. riverborne – Pelle3, Live Game Caissa's Web, 2005.

4.Kf2 Qh4 5.g3 Qf6 6.Nf3 d6 7.Nc3 +–.

3.Bb2 Qf6

(--> 1.b4 e5 2.Bb2 Qf6 3.b5 Bc5).

4.Nf3 d6 5.e3 (--> 1.b4 e5 2.Bb2 Qf6 3.b5 Bc5 4.e3 d6 5.Nf3).

3.Bb2 Nf6

4.Nc3 d5 5.e3 +=.

4.Nc3 Ng4 5.e3= d5 6.Be2 Nf2 (better is 6...Nf6!?=) 7.Kf2+/– Qf6? (better is 7...d4 8.Ne4 Qh4 9.Ng3 de3 10.Ke1 f6+/–) 8.Nf3+– 0–0? (8...Be6+–) 9.Nd5 Qf5 (9...Qd6 10.Bc4 e4+–) 10.Nc7 Nd7 (10...e4 11.Na8 ef3 12.Bd3+–) 11.Na8 Nf6 (11...e4 12.g4! Qf4 13.d4 ed3 14.Qd3+–) 12.h3 Ne4 13.Kg1 b6 (13...Ng3 14.Be5 Nh1 15.Kh1+–) 14.Nc7 (14.Be5 Bb7 15.Nc7 Nd2 16.Qd2 Bf3+–) 14...Ng3 15.Be5 Nh1 16.d4 Ng3 17.Bg3 Be7 18.Ne5 (18.Bd3 Qd7 19.Ne5 Qd6+–) 18...Bg5 19.Qd2 Qe4 20.Nc4 Be6 21.d5 Bd7 (21...Rd8 22.Rd1 Qg6 23.Ne6 fe6 24.Bf3+–) 22.Bd3 Qe7 23.Bd6 Be3 24.Qe3 Qe3 25.Ne3 Rd8 26.Nc4 Bb5 27.Nb5 1–0. Fritz 11 – nn, internet, 2011.

4.c4 d5 5.e3 dc4 6.Bc4 Nbd7 7.Nc3 Nb6=+ 8.Be2 Bf5 9.Nf3 e4 10.Ne5 Nbd7 11.Nc4 a6 12.a4 ab5=+ 13.Nb5 0–0 14.Qb3 Be6 15.0–0 Bc4 16.Bc4 h6 17.Qc3 Re8 18.Rfd1 c6= 19.Nd4 Qc7 20.Bb3 Bd6 21.g3 Nc5–/+ 22.Bc2 b6 23.Rf1 Nd5 24.Qc4 Qd7 25.f3 Nf6 26.fe4 Nfe4 27.Nf5 Nd2?? 28.Qg4+– f6 29.Rfd1 h5 30.Qg6 Ncb3?? 31.Nh6 Kf8 32.Bb3 Nf3 33.Kg2 Re3 34.Rd6! Nh4 35.gh4 Qh3 36.Kg1 Ke7 37.Nf5 Qf5 38.Qf5 Kd6 39.Rd1 Kc7 40.Qd7 Kb8 41.Qd8 Kb7 42.Rd7 Ka6 43.Qa8# 1–0. NN – ChessMaster3000, 1992.

4.c4 d6 5.Nf3 =+.

4.d4 ed4 5.Bd4 Bd4 6.Qd4 0–0 7.Nc3 a6 8.ba6 Na6 9.0–0–0 d6 10.e4 Be6 11.Nf3 Nb8 12.e5 Nc6 13.Qh4 Ng4 14.Qd8 Rfd8 15.Ne4 d5 16.h3 de4 17.Rd8 Rd8 18.hg4 ef3 19.gf3 Ne5 20.Bg2 Ng6 21.a3 Nh8 22.Re1 c5 23.Re5 Rd5 24.Re4 b5 25.f4 Rd4 26.f5 Re4 27.Be4 Bc4 28.f4 Be2 29.g5 Bc4 30.c3 h5 31.Kd2 h4 32.Bg2 f6 33.g6 Kf8 34.Kc2 Ke7 35.Bf3 h3 36.Bh1 Bf1 37.Bd5 Bg2 38.c4 Bd5 39.cd5 h2 40.a4 ba4 41.Kc3 h1Q 42.Kc4 Kd6 43.Kb5 Qb1 44.Ka6 a3 0–1. Golem_01 – Ufim_130, WB, 2001.

4.e3 0–0 5.Be5!? d5 6.d4 Bb4 7.c3 +=.

4.e3 0–0 5.Be5 Nd5 6.Nf3 f6? 7.Bb2 a6 8.Bc4+– c6 9.a4 ab5 10.ab5+– Kh8?? 11.Ra8 Nb6 12.Rb8 Nc4 13.Bd4 Bd4 14.Nd4 c5 15.Nb3 Qb6 16.Nc3 Qa7 17.Qe2 Ne5 18.Rc8! Rc8 19.f4 Ng6 20.Kf2 Ne7 21.Ra1 Qb6 22.Na4 Qe6 23.Nac5 Qd5 24.c4 Qf5 25.Nb7 Qg6 26.Nd6 Rd8 27.b6 f5 28.c5 Nc6 29.Qc4 Rf8 30.b7 h5 31.Ra8 Nb8 32.Nd4 Kh7 33.N4f5 Qf6 34.Qe4 g6 35.Qe7 Qe7 36.Ne7 g5 37.f5 Kg7 38.d4 Kf6 39.Ndc8 Nc6 40.Nc6 dc6 41.b8Q Kf5 42.Nd6 Kg4 43.Qf8 Kh4 44.Nf5 Kg4 45.h3 1–0. pumpkin (2255) – gdraper (1840), net–chess.com, 2006.

4.e3 0–0 5.Nf3 e4 6.d4 ef3 7.dc5+/– fg2 8.Bg2 d6 9.c6 d5 10.Nc3 bc6= 11.bc6 Nc6 12.Nd5+/– Nd5 13.Bd5 Bb7?? 14.Qg4+– g6 15.0–0–0 h5 16.Qg6# 1–0. TheWishingTree – JimWa, Caissa's Web Live Game, 2004.

4.e3 Bd6 5.Qf3 0–0 6.Qf5 g6 7.Qg5+= c6 8.a4 Kg7 9.Nf3 e4?? 10.Ne5 Be7= 11.Ng4 d5 12.Nf6 Bf6 13.Bf6 Qf6 14.Qf6 Kf6 15.Be2 a6 16.c4 dc4=+ 17.Bc4? ab5–+ 18.Bb3 Bf5 19.0–0 ba4 20.Bc2? b5 21.Rd1 Rd8 22.Nc3 a3 23.Ne4 Ke7 24.d3 Be4 25.de4 b4 26.Rd4 c5 27.Rd8 Kd8 28.Bb3 Nd7 29.Bf7 Ke7 30.Bd5 Rd8 31.h3 Nb6 32.Ba2 c4 33.Bb1 Rd1 34.Kh2 c3 35.Kg3 c2! 0–1. Steingraeber,Barbara – Wessel,Kai, remoteschach.de, 2003.

4.e3 e4 5.d4 Bb4 6.c3 Ba5 7.Nd2 d5 8.c4 c6 9.Ne2 0–0 10.Ng3 Ng4 11.Be2= Qh4 12.h3?? Ne3!–+ 13.Qb3 Ng2 14.Kd1 Qf4 15.Ngf1 Qf2 16.Qg3 Qg3 17.Ng3 Ne3 18.Kc1 Be6 19.Nh5 cb5 20.Nb3 Bc7 21.cd5 Nd5 0–1. Reimer,Karl – Zeilfelder,Andreas, Hagenbach Pfalz op, 1998.

4.e3 e4 5.Ne2 d5 6.c3 c6 7.a4 Bd7 8.Ng3 0–0 9.Be2 a6 10.c4 dc4 11.Bc4 ab5 12.ab5= Ra1 13.Ba1 cb5 14.Be2 Bc6 15.0–0 Re8 16.f3 ef3 17.Bf3 Nbd7 18.Kh1 b4 19.Qb3 Qb6 20.Bh5 Bd5–/+ 21.Qd3? Qa6–+ 22.Qa6 ba6 23.Bf6 Nf6 24.Be2 a5 (25.Rc1 Bd6–+) 0–1. Wiesing – Roos,C, 1988.

4.e3 e4 5.Ne2 d5 6.d4 Bd6 7.Ng3 Qe7 8.Be2 0–0 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 c6 13.c4 dc4 14.bc6 bc6 (14...Nc6 15.d5 Be5 16.dc6 Ba1 17.Nd2+=) 15.Bc4 Ng4 16.h3 (16.Qe1 Qg5 17.f4 ef3 18.Rf3 Nh2 19.Kh2 Bg4+=) 16...Ne3 17.fe3 Bg3 18.Qh5 g6 19.Qh6 Qh4 (19...Ba6 20.d5 Be5 21.Be5 Qe5 22.Ba6 Na6 23.dc6–/+) 20.Qh4= Bh4 21.Nd2 Bg5 22.Kf2 (22.Ne4!? Be3 23.Kh2=) 22...Be6+= 23.Ke2 Bd5 24.Bd5 (24.Rb1 f5+=) 24...cd5–/+ 25.Rc1 Nd7 26.Rc7 Nf6 27.Bc3 Ra8 28.Nf1 Ra2 29.Bd2 h5 30.Rb7 Bh6 31.Rb8 Bf8 32.Rd8 Kg7 33.Rb8 Bd6 34.Rb5 h4 35.Rb6 Be7 36.Rb5 Ra7 (36...g5 37.Rb6–+) 37.Be1 g5 38.Bd2 Kg6 39.Be1 Ra2 40.Bd2 g4 41.hg4 Ra7 42.Rb8 Ng4 43.Rg8 Kf5 44.Rh8 Bf6 45.Rh5 Ke6 46.g3 hg3 47.Ng3 Be7 48.Rh8 (48.Nf5 Nf6 49.Ng7 Kd7–+) 48...Ra2 49.Nf1 Bb4 50.Rb8 Bd2 (50...Bd6!? 51.Rb5–+) 51.Nd2–/+ Ra3 52.Rb6 Kf5 53.Rb3 Ra2 54.Rb4 Ke6 55.Rb6 (55.Rb8 Nh2 56.Kd1–/+) 55...Ke7–/+ 56.Rb7 Kf8 57.Rb5 Nf6 58.Rc5 Kg7 59.Rc6 Kg6 60.Rc5 Ra4 (60...Kf5 61.Rc7 Ke6 62.Rc6 Ke7 63.Rc7 Nd7 64.Rc6–/+) 61.Rb5 Kf5 62.Rb7 Ke6 63.Rb6 Ke7 64.Rb7 Nd7 65.Rc7 f5 66.Rc8 Ke6 (66...Nf6 67.Rc7 Kd6 68.Rb7–+) 67.Rc1? (better is 67.Rc6!? Kf7 68.Rc7=) 67...Nf6 68.Rb1 (68.Rc6 Ke7–+) 68...Ng4 (68...f4 69.ef4 Rd4 70.Nb3–+) 69.Rb3 (69.Rb6 Kd7–/+) 69...Ra2 70.Rb6 Ke7 71.Rb8? (better is 71.Rb7 Ke8 72.Rb6–+) 71...f4! 72.ef4 e3 73.Rg8 (73.Rb1 ed2 74.Rd1–+) 73...Rd2 (73...ed2?! 74.Rg4 Ra4 75.Kd2 Rd4 76.Ke3 Re4 77.Kd3=) 74.Ke1 Nf2 0–1. Sebesta,Petr – Olsar,Z (1960), Orlova CZE, 2013.

4.e3 e4 5.Bf6 Qf6 6.Nc3 Qf5 =.

4.e3 Qe7 5.c4 a6 6.a4 0–0 7.Nc3 c6 8.e4 d6 9.Be2 Be6 10.Nf3 Ng4 11.0–0 f5 12.d4 Ba7 13.h3 fe4 14.Ne4 Nf6 15.Nf6 gf6 16.de5 de5 17.Ba3 c5 18.Bc1 Kh8 19.Ne1 Rg8 20.Kh1 Nd7 21.f4 ef4 22.Bf4 Rae8 23.Bd6 Qg7 24.Ra3 Nb6 25.Qc2 Bc4 26.Bc4 Nc4 27.Rg3 (better is 27.Qc4!? Re1 28.Rg3 Rf1 29.Qf1+=) 27...Qf7+= 28.Rg8 Qg8 29.Bh2? (better is 29.Qf2+=) Ne3–+ (29...Ne3 30.Qc3 Nf1 31.Qf6 Qg7 32.Qf1 Qa1–+) 0–1. Martine,Jean_Marie (1860) – Burgaud,Jacques (1870), France, 2000.

4.Be5 0–0 5.e3= Nd5 6.a3 d6= 7.Bg3 a6 8.c4 Nb6? 9.a4?? a5 10.Nc3 Bb4 11.Nd5 Nd5= 12.cd5 Nd7 13.Rc1 Nc5 14.f3 Re8 15.Rc4 b6 16.Qc2 Bb7 17.Rh4 g6 18.Rd4 Nd7 19.Bh4 g5 20.Rg4 h6 21.Bf2 Bd5 22.e4 Be6 23.Rg3 d5 24.Bd4 de4 25.h4? Bd6–+ 26.Ne2 Bg3 27.Ng3 ef3 28.Kf2 fg2 29.Bg2 Rb8 30.Ne4 Bf5 31.hg5 Be4 32.Be4–/+ Qg5?? 33.Bh7?? Kf8–+ 34.Be3 Qf6 35.Kg2 Qg7 36.Kf2 Nf6 37.Bh6?? Ng4 38.Kf3 Nh6 39.Be4 Qg4 40.Kf2 Re4 41.Rh6 Qf4 42.Kg2 Re2 43.Kh3 Qh6 44.Kg3 Rc8 45.Qf5 Qd6 46.Kf3 Rce8 47.Qh3 Qd3 (48.Kf4 R2e4 49.Kg5 R8e5 50.Qf5 Qd2 51.Kh5 Rf5#) 0–1. riverborne – mask1, Live Game Caissa's Web, 2005.

4.Nf3 d6 5.d4 ed4 6.Bd4 Bd4 7.Nd4 =+.

4.e3 d6

5.a3 0–0 6.d4 ed4 7.ed4 Bb6 8.Be2 Ne4 9.Nf3=+ Ba5 10.c3 Bg4 11.0–0 Nd7 12.Nfd2 Bf5 13.Nc4 Bb6 14.Nb6 Nb6 15.c4 Qg5 16.Bc1 Qf6 17.Ra2 a6 18.Bb2 ab5=+ 19.d5 Qg5 20.cb5 Bh3 21.Bf3 Rfe8 22.Kh1 Bd7=+ 23.Nc3 Nc3–/+ 24.Bc3 Bb5 25.Re1 Na4 26.Bd2 Bc4?? 27.Bg5 Nc3 28.Re8 Re8 29.Qd2 Na2 30.h4 h6 31.Bf4 g5 32.hg5 hg5 33.Bg5 Re5 34.Bh6 Bd5 35.Bd5 Rh5 36.Kg1 (36...Nc3 37.Bb7+–) 1–0. Dopper,Johan – Hoogstrate,Johan, 1991.

5.a3 Be6 6.Nf3 Nbd7 7.d4 ed4 8.Nd4 0–0 9.Be2 Bd5 10.0–0 Ne5 11.Nc3 Be6 12.Na4 Bd4 13.Qd4 Re8 14.f4 Ned7 15.Bf3 Qc8 16.e4 Nb6 17.Nb6 ab6 18.e5 de5 19.fe5 Ng4?? 20.Bg4+– Bg4 21.e6! f6 22.Rf6!! gf6 23.Qf6 Qd8 24.Qf7 (24.Qg7) 1–0. Crafty 19.01 – Comet B50, 2004.

5.c3 Bg4 6.Be2 Be2 7.Ne2 e4 8.0–0 Nbd7 9.f3 ef3 10.Rf3 Ne5 11.Rh3 Nc4 12.Bc1 Qe7 13.d4 Bb6 14.Na3 Na3 15.Ba3 a6 16.ba6 Ra6 17.Bb2 0–0 18.c4 Raa8 19.Qb3 Rfe8 20.Rf1 Ng4 21.Nf4 Qe4 22.Nd5 Re6 23.Rhf3 Nh6 24.Rf4 Qg6 25.Nb6 cb6 26.Qb6 Re3 27.Qb7 Ree8 28.R4f3 Rab8 29.Qc6 d5 30.Qg6 fg6 31.Bc3 dc4 32.a4 Nf5 33.a5 Re4 34.d5 Re3 35.g4 Rf3 36.Rf3 Nd6 37.Be5 Rd8 38.Rc3 Ne4 39.Rc4 Nd2 40.Rc3 Rd5 41.a6 Re5 42.Rc8 Kf7 43.a7 Ra5 44.a8Q Ra8 45.Ra8 Nf3 46.Kg2 Ne5 47.Ra7 Kf6 48.Ra6 Ke7 49.g5 h6 50.h4 hg5 51.hg5 Kf7 52.Kg3 Nd3 53.Rd6 Nc5 54.Kg4 Ne6 55.Rd7 Ke8 56.Rb7 Kd8 57.Kh4 Nd4 58.Kg3 Nf5 59.Kf4 Ke8 60.Ke5 Kf8 61.Rb6 Kf7 62.Rc6 Ng3 63.Rc7 Kg8 64.Kf4 Nf5 65.Rd7 Kf8 ˝–˝. Bonetti, Shane – HIARCS, 30 secs/move, 2001.

5.Nc3 0–0 6.Na4 Bb4 7.a3 –/+.

5.Nc3 Bf5 6.Qf3 Qc8 7.Nd5 Nd5 8.Qd5 c6 9.bc6 bc6 10.Qf3 Bc2 11.Rc1= Bf5 12.Rc5 dc5=+ 13.Be5 f6 14.Bd6 Qe6 15.Bc5 Nd7 16.Bd4?? Rb8–+ 17.Qd1 Rb1 18.Qb1 Bb1 19.Ba7 Qa2 20.Bd4 Bc2 21.f4 Qb1 22.Kf2 Qd1 23.Nf3 Ke7 24.g4 Be4 25.Bg2 Qc2 26.Bc3 Rb8 27.Ra1 Bf3 28.Bf3 Rb3 29.Kg3?? Rc3 30.dc3 Qc3 31.Ra6 c5 32.f5 Qe5 33.Kf2 Qh2 34.Ke1 Qg1 35.Kd2 Qf2 36.Be2 c4 37.Re6 (37.Ra3 Nc5 38.g5 Nb3 39.Kc3 Qe3 40.Kc4 Nd2 41.Kb4 Qe2–+) ˝–˝. Langguth,Wilhelm – Blaszczyk,Frederic, corr ICCF Cup8/9 V026, 1990.

5.Ne2 a6 6.d4 ed4 7.Nd4 ab5 8.Bb5 c6 9.Be2 0–0 10.Nb3 Nbd7 11.N1d2 Re8 12.0–0 d5 13.c4 Ba3 14.Ba3 Ra3 15.Qc2 Ra4 16.Rfd1 Qc7 17.Nd4 Ra8 18.cd5 Nd5 19.Nc4 (19.Rab1 N7f6=) ˝–˝. nordlicht – kingcrusher, mySchach.de, 2005.

5.Ne2 Bg4 6.f3 Bh5 7.Ng3 Bg6 8.Nc3 Nbd7 9.Na4 Bb4 10.Nc3 d5 11.a4 Qe7 12.Na2 Ba5 13.Bd3 e4 14.fe4 de4 15.Be2 h5 16.0–0 Qc5 (16...Qe6 17.Bd4=+) 17.Nc3 (17.Nc1!? Qg5 18.Nb3=) 17...h4=+ 18.Nh1 c6 (18...0–0–0!?=+) 19.Nf2= Bc7 20.Ba3?? Qe5–+ 21.Ng4 Ng4 22.Bg4 Qh2 23.Kf2 Bg3 24.Ke2 Qg2 25.Rf2 Qf2# 0–1. Otte,Marco – Plomp,Micha, Wag.Intcomp, 1997.

5.Nf3 Bd7 6.d4 Bb6 7.de5+/– de5 8.Ne5 Qe7 9.Nd2 Bb5?? 10.Bb5+– c6 11.Bd3 Nbd7 12.Nd7 Qd7 13.Bf6 0–0 14.Qh5 gf6 15.Qh7 1–0. Trkn – guest3712, ICC, 2005.

5.Nf3 e4 6.Nd4 0–0 7.Nb3 Bb6 8.a4 a5 9.Be2 Bf5 10.0–0 d5 11.c4 dc4 12.Bc4 Re8 13.Nd4 Bg6= 14.Ne2 Nbd7 15.Nf4 Bf5 16.Qb3 Qe7 17.Nc3 Nc5 18.Qa2 Rad8 19.Ncd5 ˝–˝. Lorentzen,Oeystein – van den Braak,Jelle, corr 3GMM˝–03, 1998.

5.Nf3 Be6 6.d4 ed4 7.ed4 Bb4 8.c3 Ba5 9.Bd3 0–0 10.0–0 a6 11.Ng5 ab5 12.Ne6 fe6 13.Bb5 Nd5 14.c4 Nf4 15.Na3 Bb6 16.Kh1 c6 17.Ba4 Nd7 18.Nb1 d5 19.Ba3 Rf7 20.cd5 Qg5 21.Rg1 Nh3 22.gh3 Qd5 23.Rg2 Rf2 24.Qg1 Rg2 25.Qg2 Ra4 26.Qd5 ed5 27.Bb2 Rd4 28.Kg2 Rf4 29.Kg3 Rf2 30.Bc1 Bd4 31.Na3 Nc5 32.Rb1 Ra2 33.h4 Nd3 0–1. EXchess 3.11 – Comet B50, 2003.

5.Nf3 Qe7 6.Be2= e4 7.Nd4 0–0 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 d5 12.c4 Nbd7 13.Nc3 dc4=+ 14.Na4 Ne5 15.Qc2 Bb4 16.Nb2=+ Rd8 17.Nc4 Nc4 18.Bc4 Ng4 19.Be2 Bd6 20.h3 Nf6 21.d3= Re8 22.de4 Ne4 23.Bd3 Qe5+= 24.Nf3 Qe7 25.Bb2 Bd7 26.Ra1+= f5 27.Ra7 Bc8 28.Bd4 Kh8 29.Be4 fe4 30.Nd2 Kg8 31.Nc4 Bb4 32.b6 Bc5 33.Ra8 cb6 34.Nb6 Bb6 35.Rc8 Bd4 36.Qc4 Kf8 37.Rc7 b5–/+ 38.Qc6 Qf6 39.ed4 Qc6 40.Rc6 Rb8 41.Kh2 b4–/+ 42.Kg3 b3 43.Rc1 b2 44.Rb1 g5 45.Kg4 Rb5 46.d5 Ke7 47.Kf5 ˝–˝. Rudbeck,Joergen – Skaug,Torbjorn, corr ICCF TT–4–90 SF, 1995.

5.Nf3 Qe7 6.h3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 0–0 10.c4 Be6 11.Be2 Nbd7 12.0–0 Ra8 13.Bb2 c6 14.d4= Bb6 15.de5+= Ne5 16.Be5 de5 17.bc6 bc6 18.Ne5 Bh3 19.Nc6+/– Qc7 20.gh3 Qc6+= 21.Bf3 Ne4 22.Qd5 Qd5 23.cd5+– Nd6 24.Kg2 f5 25.Nc3 Ra3 26.Rb1 Be3+= 27.fe3 Rc3= 28.Re1 Kf7 29.Kg3 Kf6 30.h4 g6 31.Kf4 Rc4 32.e4 fe4 33.Be4 Re4 34.Re4= Ne4 35.Ke4 h6 36.Kf4 g5 ˝–˝. Wessel,Volkmar – Birkholz,Frank, Schleswig Holstein–ch, 1988.

5.g3 0–0 6.Bg2 Bd7?? 7.a4?? c6 8.Ne2 Qe7 9.0–0 e4 10.d4 Bb6 11.a5 Bd8 12.b6 a6 13.Ba3 Qe8 14.Bd6+/– Be7 15.Be7 Qe7 16.c4 c5 17.d5 Qd6 18.Nbc3 Re8 19.Qc2 Bf5 20.f4 ef3 21.Qf5 fg2 22.Kg2 Re5? 23.Qf6?? gf6–+ 24.e4 Nd7 25.Rae1 Kh8 26.Nf4 Rg8 27.Nh3 Rh5 28.Ne2 Qe5 29.Nef4 Rh6 30.d6 Qd4 31.Rd1 Qe4 32.Kg1 f5 33.Nd5 Rd6 34.Rfe1 Qc2 (35.Rc1 Qb2–+; 34...Qc4!? 35.Ne3 Rd1 36.Nc4 Re1 37.Kf2–+) 0–1. MasterofDisaster – polo01, Live Game Caissa's Web, 2004.

5.h3 0–0 6.Ne2 =+.

5.h3 Bf5 6.d4 ed4 7.ed4 Qe7 8.Be2 Bb4 9.c3 Ba5 10.Nd2 c6 11.a4 0–0 12.Ngf3 Ne4 13.Rc1 cb5 14.ab5 a6 15.ba6 Ra6 16.Ba6?? Nc3–+ 17.Be2 Nd1 18.Rd1 Bd3 19.0–0 Be2 20.Rfe1 Re8 21.d5 Nd7 22.Nd4 Bd1 23.Re7 Re7 24.Nf5 Re1 25.Nf1 Be2 26.N5e3 Bb6 27.Bc3 Be3 28.Be1 Bc5 29.Ng3 Bc4 30.Bc3 Bd5 31.Nf5 Nf6 32.Ne7?? Kf8 33.Nf5 b5 34.Kf1 b4 35.Bb2 Ne4 36.Bg7 Ke8 37.Bd4 Bd4 38.Nd4 b3 39.Nb3 Bb3 40.f3 Bc4 41.Ke1 Nc5 42.g4 d5 43.Kd2 Ke7 44.f4 Kd6 45.g5 d4 46.h4 d3 47.h5 Ne4 48.Ke3 d2 49.Ke4 d1Q 50.Kf5 Be6 51.Kf6 Qd4 0–1. MasterofDisaster – Tony2009, Live Game Caissa's Web, 2004.

5.c4 0–0

6.Qc2 a6 7.a4 Bg4 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Qc8 11.Nf3 Qf5 12.Qf5= Bf5 13.0–0 Nbd7 14.d4 Ra8 15.Nbd2 Bb4=+ 16.Nb3 Ra3 17.de5 de5–/+ 18.Nfd2? Bc2 19.Bb2? Ra2 20.Bc1 Bb3 21.Nb3 Re2 22.h3 Rc2 23.f4 e4 24.Rd1 Rc3 25.Nd2 Rc1! 26.Rc1 Bd2 27.Rf1 Be3 28.Kh1 h5 29.Kh2 Nb6 30.g3 Nc4 31.Rb1 (31.Re1 h4 32.Re2 hg3 33.Kg3 Nd5–+) 0–1. Hasler,Ulrich – Schaar,M, corr, 1993.

6.Qc2 Bg4 7.Be2=+ Be2 8.Ne2= Nbd7 9.0–0 c6 10.a4 Rc8 11.d4 Bb4 12.de5 Ne5 13.Rd1 Qc7 14.Qb3 Ba5 15.Na3 Rfe8 16.Rac1 Ne4 17.Nf4 Bd2 18.Rc2 Qa5 19.Nd3 Nd3=+ 20.Qd3 Bb4 21.Ra1 Nd2 22.Rd2 Bd2–/+ 23.Qd4 f6 24.c5? dc5–+ 25.Qg4 Be1 26.Nc4 Qb4 27.Bf6 Rc7–+ 28.bc6 Rc6?? 29.Qg7# 1–0. Gross – Vogt, corr, 1985.

6.Nc3 a6 7.Nf3 =+.

6.Nc3 Nbd7 +=.

6.Nc3 Bf5 7.Be2 Nbd7 8.a4 e4 9.h3 Re8?? 10.g4+/– Bg6 11.g5 Ne5 12.gf6 Qf6 13.Qb1 Nd3 14.Bd3+– ed3 15.Nd5 Qg5+/– 16.Kf1 Be4 17.Rh2 Re6? 18.Nf4+– Rae8 19.Ne6 Re6 20.Qd1 h5 21.h4 Qf5 22.f4 Rg6 23.Qe1 Rg4 24.Qf2 Qg6 25.Nf3?? Rf4+= 1–0. Kleist,Werner (1715) – Lange,Lutz (1725), 02 sen. HSen EM06 (Bad Sooden op), 2006.

6.d4 ed4 7.Bd4 Bd4 8.Qd4 Be6 =+.

6.d4 ed4 7.Bd4 Bd4 8.Qd4 Re8 =+.

6.d4 ed4 7.Bd4 Bd4 8.Qd4 Bf5 =+.

6.Ne2 Be6 7.d4 Bb4 8.Bc3 –/+.

6.Ne2 Re8 7.Qb3 (7.Nbc3 a6+=) 7...c6 8.d4 ed4 9.ed4? (better is 9.Nd4!? Nbd7 10.Be2+=) 9...Bb6–+ 10.a4 (10.Nd2 cb5 11.cb5 Be6–+) 10...Be6 (better is 10...Ne4!? 11.Nbc3 Ba5 12.Rd1–+) 11.Nd2 Nbd7 12.g3 (12.f3 Nh5–+) 12...Ba5 13.Bc3 Rc8 (13...c5!? 14.0–0–0–+) 14.Bg2–/+ Bg4 15.Bf3 Bf3 16.Nf3 Qe7 (16...d5!? 17.Ba5 Qa5 18.Kf1–/+) 17.Ra2 (17.0–0!? Qe2 18.Ba5 cb5 19.ab5 Qc4 20.Qc4 Rc4 21.Rfe1+=) 17...Bc3–/+ 18.Qc3 cb5 19.ab5 Nb6 20.0–0 Rc4 21.Qb3 Qd7 (21...Nfd5 22.Re1–/+) 22.Kg2 (22.Re1!?+=) 22...Nfd5–/+ 23.Re1 Rb4 24.Qd3 Qb5 (better is 24...Na4!?–/+) 25.Qb5 (25.Nc3 Qc6 (25...Qd3?? 26.Re8) 26.Nd5 Nd5=) 25...Rb5+= 26.Nc3 Re1 27.Nb5 Re7 28.Ra7 Nc8 (28...Rd7 29.g4+=) 29.Ra8= Ndb6 30.Rb8 Rd7 31.Nd2 Kf8 32.Nc4 Attacking the isolated pawn on d6 32...Ke7 33.Na5 Ke6 34.Nb7 Kd5 35.Na5 Re7 36.Nc3 Ke6 37.d5 Kf5 38.Kf3 Kg6 (38...Ra7 39.Nc6 Ra3 40.Nd4 Kg6 41.Ndb5+=) 39.Rb7 (39.Nb5 Rd7+=) 39...Rb7 40.Nb7 Kf5 41.Nd8 Kf6 ˝–˝. Frischmuth,Uwe (1700) – Wirries,Frank_Michael (1850), Hamburg GER, St Pauli Open–B, 2014.

6.Nf3 Nbd7 7.Be2 a6 8.a4 Re8 9.0–0=+ d5 10.cd5 ab5 11.ab5 Ra1=+ 12.Ba1 Nd5 13.Nc3 ˝–˝. Fabisch,Christian (2200) – Horvath,Sandor (2295), Gleisdorf, 1989.

6.Nf3 Bg4 7.Be2 e4 8.Ng1 Be6 9.f3 Nbd7 10.Nc3 Nb6 11.fe4 Nc4–/+ 12.Bc4 Bc4 13.d4 Bb4–+ 14.a4?? Ne4 15.Qc2 Qh4 16.g3 Qg4 17.Rc1 Rfe8 18.Qd1 Qd1 19.Kd1 Nf2 (20.Kd2 Nh1–+) 0–1. 787 – Caissa, caissa.com, 2006.

5.d4 ed4

6.ed4 Bb4 7.c3 Ba5 8.Bd3 0–0 9.Ne2 Re8 10.0–0 c6 11.a4 d5 12.Qc2 Nbd7 13.Nd2 Nf8 14.bc6 bc6 15.Ba3 Bc7 16.Rab1 Ng6 17.Rfe1 Ng4 18.h3 Nf2? (better is 18...Bh2 19.Kf1 Nf6+=) 19.Kf2+– Bh3? (19...Qg5 20.Kf1+–) 20.Bg6 (20.gh3 Qh4 21.Kg2 Re2 22.Re2 (22.Be2?? Qg3 23.Kf1 Qh3 24.Kg1 Bh2 25.Kf2 Qg3 26.Kf1 Qg1) 22...Nf4 23.Kg1 Qg3 24.Kf1 Qh3 25.Kf2 Qh4 26.Ke3 Re8 27.Ne4 de4 28.Kd2 Ne2 29.Be4 Re4 30.Qb2–+) 20...fg6 21.gh3 Qh4 22.Kg2 Re3 23.Nf3 Rf3 24.Kf3 Qh3 25.Ng3 Qg3 26.Ke2 Re8 27.Kf1 ˝–˝. Rodriguez Abreu,E – Lopez Gomez,J.R, CAP–01/97 II CAP Ch. Final, 1998.

6.ed4 Bb4 7.c3 Ba5 8.Bd3 a6 9.ba6 Na6 10.Ne2 0–0 11.0–0 Re8 12.Re1 c6 13.Nd2 =.

6.ed4 Bb6 7.Be2 a6 8.ba6 Na6=+ 9.c3 0–0 10.Nf3 Re8 11.0–0 c6 12.Nbd2 d5 13.Rb1 Bf5 14.Rc1 Bc7 15.Nh4 Be6 16.h3 Nb8 17.a3 Nbd7 18.c4 Nb6 19.c5=+ Na4 20.Bc3? Nc3 21.Rc3 Ne4 22.Re3? Qh4 23.Nf3 Qf4 24.Re1 Ng5 25.g3 Nh3 26.Kg2 Qh6 27.Rh1 Bg4 28.Ne5 Be5 29.Bg4 Bf6 30.Rh3–/+ Qg5?? 31.Qf3?? Re3–+ 32.fe3 Ra3 33.Kf2? Bd4! 34.Qf4 Be3 35.Qe3 Qe3 36.Kg2 Ra2 37.Kf1 Qc1 (38.Bd1 Qd1#; 37...Qf2#) 0–1. MasterofDisaster – km5, Live Game Caissa's Web, 2004.

6.Bd4 Bd4 7.Qd4 0–0 8.Bd3 c5 9.Qh4 d5 10.Nf3 c4–/+ 11.Be2 Qa5 12.Nbd2 Qb5 13.0–0 Nc6 14.Nb3 Bf5 15.Nbd4=+ Nd4 16.Nd4 Qd7 17.Rfd1 Rfe8 18.Qg5 Be4 19.Rab1 b5 20.Rb5 Bc2 21.Rc1 Be4 22.Bf3 Rab8 23.Be4=+ Rb5 24.Nf5? Nh5 25.Bc2 g6 26.g4?? Ng7–/+ 27.Nh6 Kf8 28.Ba4 a6 29.Qf4 Rd8 30.Qd4 Qd6 31.Bb5 ab5 32.Qa7 Qd7 33.Qc5 Ke8 34.Qd4 Kf8 35.Qc5 Ke8 36.Qd4–/+ Ne6 37.Qh8 Nf8 38.Qe5 Qe7–/+ 39.Qf4 f6?? 40.Ng8= Qf7 41.Nf6+= Ke7 42.Qe5 Qe6= 43.Qc7 Nd7 44.g5 ˝–˝. Grau,Jose Maria – Fernandez Martin,Fermin Jordi, CAE Preferente, 1989.

6.Bd4 Bd4 7.Qd4 0–0 8.Nf3 =+.

6.Bd4 Nbd7 7.Bc5 Nc5=+ 8.Bc4 Nfe4 9.Nh3?? Bh3–+ 10.Bf7 Kf7 11.gh3 Qf6 12.0–0 Qa1 13.Qd5 Ke7 14.c3 Qb2 15.Qh5 Raf8 16.Qh4 g5 17.Qh6 Rf2 18.Qg7 Ke6 19.Qh6 Kf5 (20.Qh4 gh4 21.Nd2 Rg8 22.Kh1 Rf1 23.Nf1 Qg2#) 0–1. Langguth,Wilhelm – Gonda,Frank, corr ICCF Cup8/9 V184, 1990.

5.Be2 0–0

6.c4 c6 7.Nc3 Bd7 8.a4 a6 9.Nf3 Re8 10.0–0 e4 11.Ne1 d5 12.d4 Bb4 13.Nc2 Ba5 14.c5 Bc3 15.Bc3 ab5 16.ab5 Ra1 17.Qa1 cb5 18.Na3 b4 19.Bb4 Na6 20.Bc3 Qc7 21.Nb5 Bb5 22.Bb5 Ra8 23.Qa5?? Qb8 24.Be2+= Nd7 25.Rb1 Nac5= 26.Qb5 Na4 27.Qd7?? Nc3–+ 28.Rb2 Ne2 29.Kf1 Nc3 30.g3 b5 31.Qc6 Qc8 32.Qc5 Qc5 33.dc5 Rc8 34.Rb5 Nb5 35.c6 Rc6 36.f4 ef3 37.e4 de4 38.h3 e3 39.Kg1 e2 40.Kf2 Nd4 41.Ke1 Rc1 42.Kd2 e1Q 43.Kd3 Rd1 44.Kc4 Qe2 45.Kc5 Qc2 46.Kd6 Qe2 47.g4?? Nf5 48.Kc5 Qc2 (49.Kb4 Rb1 50.Ka5 Qa2#) 0–1. Peter,Falco – Gatterdam,Maximilian, Karl Mala mem op 9th, 2005.

6.Nf3 e4 7.Nd4 =+.

6.Nf3 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 e4 10.Nd4 d5 11.0–0 Bd6 12.Qe1 c5 13.bc6 bc6 14.f3 Re8 15.Qh4 (15...Qe7 16.Nc3=). Taulien,Hans_Juergen – Woschkat,Karl_Heinz, remoteschach.de, 2003.

7.a4 ab5 8.ab5 Ra1 9.Ba1 Bf5 10.0–0 c6 11.d4 ed4 12.Nd4 Bg6 13.Nd2 d5 14.N2b3 Bd6 15.c4 Qc7 16.h3 Nbd7 17.bc6 bc6 18.cd5 Nd5 19.Bf3 Ne7 20.Qc1 Rb8 21.Qc3=+ Ne5 22.Nc5 Qa7 (23.Ne4 A) 23...Nf3?? 24.Nf3 Qa1 25.Nf6 (25.Qa1?! Be4 26.Rd1 Nd5+–) 25...gf6 26.Ra1+–; B) 23...Nd5=+; 22...Qb6 23.Na4 Qb4 24.Bd1–/+) 0–1. Kossobudzki,Robert – Motyka, corr Poland, 1995.

7.a4 Bd7 8.c4 c6 9.0–0= ab5 10.ab5 Ra1 11.Ba1 Bg4 12.d4 ed4 13.Nd4 Be2 14.Qe2 Re8 15.Nd2 Qb6 16.N2b3 Nbd7 17.Nc5 dc5 18.bc6 cd4 19.cd7+/– Nd7 20.Qg4 Ne5 21.Bd4 Ng4 22.Bb6 Ra8 23.Rd1 Kf8 24.Rd8 Rd8+/– 25.Bd8 Ke8 ˝–˝. Ulaneo – Canedo, Integracion, 1993.

7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 =.

7.d4 ed4 8.ed4 Bb6 =.

5.Nf3 0–0

6.Nc3 a6 7.a4 Bf5 8.Be2 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0–0 c6 12.d4 ed4 13.Nd4 Bd4 14.Qd4 d5 15.Rc1 Qb6 16.Qb6 Nb6 17.bc6 bc6 18.Na2 Ra8 19.Nb4 c5 20.Na6 Nfd7 21.f3 h5 22.Kf2 Kf8 23.Bc3 f6 24.Bb5 Rc8 25.Ba5 Kf7 26.h4 d4 27.Ke2 g5 28.hg5 fg5 29.c3 de3 30.c4 h4 31.Ke3 Be6 32.Ke2 Kf6 ˝–˝. Rooijen Van,Peter (1655) – Ponting,Andrew (1880), RB–2009–0–00057, 2009.

6.c4 a6 7.a4 ab5 8.cb5 c6 9.Nc3 Bf5 10.d4 ed4 (10...Bb4 11.de5 Ne4–/+) 11.ed4 (better is 11.Nd4 Bg6 12.Be2=) 11...Bb4–/+ 12.Be2 (12.Bd3 Re8 13.Kf1 Qc8–/+) 12...Re8 (better is 12...Nd5 13.Rc1 Qa5–+) 13.0–0+= Bc3 14.Bc3 Nd5 15.Bb2 (15.Bd2 Nd7=) 15...Nf4 16.Bc4 (16.Re1!?=) 16...d5+= 17.Bb3 Nd7 (better is 17...Qd6+=) 18.Rc1? (better is 18.Qd2!? Re4 19.Rfe1=) 18...Nd3 (18...Ne2!? 19.Kh1 Nc1 20.Bc1–+) 19.Rc2 (19.Rb1 Nb6 20.bc6 bc6+=) 19...Nb2 (better is 19...cb5!? 20.Rd2 Nf4 21.ab5 Bg4–/+) 20.Rb2+= cb5 (20...Qf6 21.bc6 bc6 22.Bc2+=) 21.ab5 (21.Bd5 ba4 (worse is 21...Ra4 22.Rb5 Ra5 23.Qb3+/–) 22.Rb7 Ra5+=) 21...Nf6 22.Ne5 Ne4 23.f3 Nc3 24.Qc1 (24.Qd2 Qa5+=) 24...Nb5 25.Qc5 The isolani on d5 becomes a target 25...Nc7 26.Rc1 (26.g4!? Be6 27.Rc2+=) 26...Rc8–/+ 27.Ba2?? (27.Rd1–/+) 27...Be6 (27...Na6 28.Qc8 Bc8–+ (worse is 28...Qc8 29.Rc8 Bc8 30.Bd5+/–)) 28.Qb4 (28.Qb6 Qg5 29.Rd1 Qe3 30.Kf1 f6–/+) 28...Rb8 (28...Qg5!? 29.Re1 f6–/+) 29.Qb6= Na6 30.Qd8 Red8 31.Rb6 g6 32.Rcb1 Bc8 (32...Rdc8 33.R1b2= (33.Rb7?? Rb7 34.Rb7 Rc1 35.Kf2 Rc2 36.Ke3 Ra2–+)) 33.R1b5 (33.Ra6!? Bf5 34.Rab6 Bb1 35.Bb1+/–) 33...Be6+= 34.Rb7 (34.Rb2 Rbc8+=) 34...Rb7= 35.Rb7 Nb8 (35...Rb8 36.Rb8 Nb8 37.Kf2=) 36.Nd3 (better is 36.Kf2!?+=) 36...Nc6+= 37.Nf4 Nd4 38.Rb6 (38.Rb4 Nf5+=) 38...Kf8 (38...g5 39.Ne6 fe6 40.Kf2+=) 39.Kf2 Ke7 40.Rb7 (40.h4 h6+=) 40...Kf6 (40...Kd6 41.h4–/+) 41.Rb6+= Ke5 42.Nd3 Kf6 43.Ke3 (better is 43.Nf4!?=) 43...Nf5 44.Kf2 d4 (44...Rd6 45.Rb5–/+) 45.Nf4 (45.Be6 fe6 46.Nc5 Nd6+=) 45...Ng7 (45...Rd6 46.Rd6 Nd6 47.Ne6 fe6 48.Ke2–/+) 46.g4 Ke7 47.Rb7 Kf8 48.Be6= fe6?? 49.Rg7!+– Rd6 50.Rh7 d3 51.Ke1 g5 52.Ng2 Rc6 53.Ne3 Rd6 54.Kd2 Rd4 55.Rh5 Rf4 56.Rg5 Rf3 57.h4 e5 58.Re5 Rh3 59.h5 Kg7 60.Kd3 Kh6 61.Ke4 Kh7 62.Nd5 Kh6 63.Kf5 Kg7 64.Nf4 Rf3 65.g5 Rg3 66.h6 Kh7 67.Re7 Kh8 68.Ng6 Kg8 69.h7 1–0. Trivic,Zoran (1700) – Temir,Musa, Lugano SUI, 2014.

6.c4 e4 7.Nd4 Ng4 8.Be2 Qh4 9.g3 Qg5 10.Nb3 Bb6 11.Nc3 Nf6 12.Qc2 Bf5=+ 13.d3 ed3 14.Bd3= Bd3 15.Qd3 Nbd7 16.Nd5 Nd5 17.cd5 Nf6 18.Bf6= Qf6 19.0–0 a6 20.a4+= ab5 21.a5 Ba7 22.Qb5 Rab8 23.Rab1 Rfc8 24.Rfc1+= Qf5 25.Qc4 c5 26.Nd2 Re8 27.Rb5 Re7 28.Rcb1+/– Kf8 29.a6 b6 30.Kg2 Rbe8 31.e4 Qg6 32.f3 f5+= 33.R5b2 Rf7 34.Re1 fe4 35.Ne4 Qh5 36.Re3 Rfe7 37.Reb3 Rd8 38.Nc3+/– Kg8 39.Ne2 Qf5 40.Nf4+/– Re5 41.Ne6 Re6? 42.de6+– d5 43.Qa4 Qe6+= ˝–˝. Ranby,Hans – Kaminski,Roman, corr 3GMM˝–07, 2000.

6.c4 Re8 7.Qb3 a5 (7...Nbd7 8.Be2=+) 8.Nc3 e4 (8...Bg4 9.h3 Bf5 10.Be2=+) 9.Ng5 (9.d4 Bb4 10.Nd2 Nbd7=) 9...h6–/+ 10.h4? (10.Nh3 Bh3 11.gh3 Nbd7–/+) 10...Bf5 (10...hg5 11.hg5 Ng4 12.Qc2–+) 11.Na4? (11.Nh3 Nbd7–/+) 11...Nbd7 12.d4 ed3–+ 13.Bd3 Bb4 14.Kf1 Bd3 15.Qd3 Ne5?? 16.Qc2? Qe7 17.a3=+ Bc5 18.Nc3 c6 19.Na4 cb5 20.Nc5 dc5 21.cb5 b6 22.a4 Rad8–/+ 23.Ke2 Ng6 24.Nf3–/+ Ne4 25.g3?? Ng3!–+ (26.Ke1 Nh1–+) 0–1. Kuhn,Heinz (1760) – Kupsch,Wolfgang (1765), Amateur Cup B, 2001.

6.c4 Re8 7.d4 ed4 8.Nd4 Ne4 =+.

6.c4 Re8 7.Be2 a6 8.a4 Nbd7 9.Nc3 ab5 10.ab5 Ra1 11.Ba1 e4 12.Ng5 (12.Nd4 d5+=) 12...Bb4 (12...h6 13.Nh3–/+) 13.Qb1 Will e4 fall? (13.0–0 Bc3 14.Bc3 d5=) 13...Bc3+= 14.Bc3 (14.dc3? Nc5 15.b6 cb6–+) 14...h6 15.Nh3 Nc5 (15...Ne5 16.Nf4=) 16.Nf4= Bf5 (16...Ng4 17.0–0=) 17.Qa1+= Ncd7 18.h4 (18.0–0 c5+=) 18...Ne5= 19.f3 (19.Qa7 b6=) 19...Qa8 (19...c6 20.c5=) 20.Kf2 Bd7 (20...Qb8 21.Nd5 Nd5 22.cd5+=) 21.Qb2 (21.Qa8 Ra8 22.c5 b6 23.cd6 cd6+=) 21...c6 22.b6 Qb8 (22...Bf5 23.Ra1 Qd8 24.Kg1=) 23.Qa2 (23.d4 Ng6 24.Ng6 fg6+=) 23...Be6 (23...Bf5 24.Qa7 Qc8 25.Qa1=) 24.Ne6 Re6 25.Qa7 Qc8 26.Ra1 Ned7 (26...ef3!? 27.gf3 Re8=) 27.f4 Re8 28.g4 Nh7 29.g5 hg5 30.hg5 Nc5 31.Rh1 Qf5 (31...Qe6 32.Kg3 f6 33.Bg4+/–) 32.Qa1 (32.Kg3 Qe6 33.Qa1+–) 32...Ne6?? (better is 32...f6 33.Rg1 fg5 34.Bg7 Nb3+/–) 33.Kg3+– Qc5 34.Qb1 (better is 34.Qa7!? Nhg5 35.Bg4 d5 36.Qb7 d4 37.Bd4 Nd4+–) 34...d5 35.cd5 cd5 36.Rh5 d4? (36...Qd6 37.Qb5 Rd8 38.Bb4+–) 37.Qe4 (37.g6 Nhg5 38.gf7 Kf7+–) 37...Nhg5? (better is 37...dc3 38.Qh7 Kf8+–) 38.fg5 Qd6 39.Kg4 dc3?? 40.Bd3?? g6–+ 41.Rh6 Qd7 42.Qh1 Kf8 43.Rh8? Ke7–+ 44.Re8 Ke8 45.Qh8 Nf8 46.Kf3 Qd3 47.Qe5 Ne6 48.Qb8 Qd8 49.Qb7 cd2 50.Qc6 Kf8 0–1. Leon Manas,JF (1710) – Rodriguez Ferraz,Borja (2075), Championship de Canarias por equ, 2010.

6.Be2 c6 7.a4 Bf5 8.c4 Nbd7 9.Nh4 Be6 10.Qc2 d5 11.cd5 Nd5 12.Nf3 f6 13.Bd3 g6 14.Bc3 Bd6 15.h4 Nc5 16.Bc4 Bf5 17.d3 e4 18.de4 Be4 19.Qd2 Kg7 20.h5 Nc3 21.Nc3 (21.Qc3? Bf3 22.gf3 cb5 23.Bb5 Rc8–/+) 21...Bf3 22.gf3 Be5 23.Qc2 f5 (better is 23...Qa5 24.Ra3 Qb4 25.hg6 h6–+ (25...Qc4?! 26.Rh7 Kg8 27.bc6–+)) 24.f4+= Bc7 25.Ke2 Re8 26.Kf3 Qe7 27.Rag1 Ne4 28.bc6 bc6 29.Bd3 Nc3 30.Qc3 (better is 30.hg6!? Qc5 31.Rh7 Kg8 32.Rc7+–) 30...Qf6+/– 31.h6 Kf7 32.Bc4 Ke7 33.Qb4 Qd6 34.Qc3 Qf6 35.Qc2 Rad8 36.Ba6 Qe6 37.Qc5 Qd6 38.Qc3 Qf6 39.Qc2 Bb6 40.Rc1 Rd6 41.Qb3 Qe6 42.Qb4 Kd7 43.a5 Qd5 44.Kg3 Qa5 45.Qc4 Qd5 46.Qc3 Re7 47.Qh8 Bd8 48.Rb1 Ke6 49.Bc8 Kf7 50.Qh7 Kf8+= 51.Qh8 Qg8 52.Qa1 Bb6 53.Rbd1 Rd5 54.Qf6 Qf7? 55.Qf7 Kf7 56.Rd5 (56.Rd5 cd5 57.h7+–) 1–0. Leon Manas,JF (1970) – Montesdeoca Arteta,JA, Las Palmas ESP, Canaria Team Ch–B, 2012.

6.Be2 e4 7.Nd4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 (10...d5 11.0–0=) 11.0–0 d5 12.Nc3 Nb6 13.Nb3 Bd6 14.f4 ef3 (14...Bf5 15.g4 Bd7 16.g5+=) 15.Bf3 c5 16.bc6 bc6 17.Ne2 Nbd7 (17...Ng4 18.Nf4 Qh4 19.h3=) 18.Nf4= Qc7 19.Qe1 (19.Bg4 Ng4 20.Qg4 f6=) 19...Re8 20.Qh4 Ba6 21.Rc1 (21.Be2 Be2 22.Ne2 c5+=) 21...Ne5 22.Be5 Be5 23.Nc5 Bc4 24.Nfd3 Bd6 25.Ra1 Qe7 26.Qd4 Bd3 27.Nd3 c5 28.Qb2 c4 29.Nf2 d4! 30.e4 Qe5 31.g3 h5 32.c3 Bc5 33.Ra5 dc3–+ 34.Qc3 Bf2 35.Kf2 Ne4 36.Be4 Qe4 37.Qe3 Qc6 38.Rc5 Qf6 39.Qf4 Qa1 40.Rd5 Qe1 41.Kg2 Re2 42.Kh3 Rf2 (42...Rf2 43.Qc4 Qe6 44.g4 hg4 45.Kg3 Rd2 46.Rd8 Rd8 47.Qe6 fe6–+) 0–1. Marr33 (2220) – Demchik (2600), Rated game, 3m + 0s, 2010.

6.Be2 e4 7.Nd4 a6 8.ba6 Na6 (worse is 8...Ra6 9.Ba6 Na6 10.Nc3+=) 9.0–0 d5 10.Nc3 c6 11.f4 (11.d3!?+=) 11...Bd4–/+ 12.ed4 Qb6 13.Na4 Qa5 14.Ba6 Qa6 (14...Ra6?! 15.Nc5 Ra7 16.a4+=; 14...ba6?! 15.Nc5=; worse is 14...Qa4 15.Be2+=) 15.Nc5 Qa7 (15...Qc4 16.f5–/+) 16.a4+= b6 17.Nb3 White plans a5 17...Qc7 (17...Ba6 18.d3+=) 18.Bc3 White intends a5 18...Ba6 19.d3 Rfe8 20.a5 ba5 21.Ra5 Bb5 22.Ra8 Ra8 23.Nc5 Re8 24.Qd2 Nd7 25.Re1 f5 26.Bb4 Nc5 27.Bc5 Ra8 28.c4 Ba6 29.de4 fe4 30.Ra1 Qc8 31.cd5 cd5 32.h3 Bc4 33.Ra8 Qa8 34.f5 ˝–˝. marekt (2130) – zunsurfer (2075), gameknot.com, 2014.

6.Be2 e4 7.Nd4 c6 8.a4 =.

6.Be2 e4 7.Nd4 d5 8.0–0= Nbd7 9.f4 ef3 (9...Nb6 10.Nb3 Be7 11.Bd4=) 10.Nf3 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Qe7 14.c4 (14.Nd4 Ne5=) 14...dc4 15.Bc4 Nb6 16.Bb3 Bd7 17.Nc3 Ra8 18.Qc2 Be6 19.Be6 Qe6 20.Ne2 Ne4 21.Nfd4 Ra2 22.Bb2 (22.Ne6 Rc2 23.Nc5 Nc5=) 22...Bd4 23.Nd4 Qe5 24.Ra1 Ra1 25.Ba1 Nd5 26.Bb2 Nd6 27.Ba3 g6 (27...Ne4 28.Bc1=) 28.Qa2 Kg7 29.Bb2 f6 ˝–˝. Kural,A. Serhat (2000) – Kloeg,Julien, Champions League, 2007.

6.Be2 Bf5 ˝–˝. Neuwald, Volker – Loesch, Torsten, Leimen, 2001.

6.Be2 Bg4 7.d4 ed4 8.Nd4 Bd4 9.Bd4 Be2 10.Qe2 Nbd7 11.Qf3 b6 12.0–0 Qe7 13.Nc3 Nc5 14.Bf6+– Qf6 15.Qf6 gf6 16.Nd5 Kg7 17.Nc7 Ne4? 18.Na8+– Ra8 19.Rfd1 Rc8 20.f3 Nc3 21.Rd6 Nb5 22.Rd2 (22…Na3 23.Kf2+–) 1–0. Trkn – guest468, ICC, 2004.

6.d4 ed4

7.ed4 Bb4 8.c3 Re8 9.Be2 Ba5 =.

7.Nd4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Ng4 11.Nd2 Qh4 12.g3 Qh6 13.Qf3 Re8 14.Qf4 g5 15.Qf3 Ne5 16.Qe4 g4 17.Qf4 Qg6 18.Bg2 Bd4 19.Bd4 Bf5 20.h3 Bc2 21.0–0 gh3=+ 22.Bb7 Nbd7 23.Qh4 Rb8 24.Bh1 Rb5 25.Ra1 c5=+ 26.Ra8 Kg7 27.Bc3 Nf6 28.f4 Rb4 29.e4 Neg4 30.Qh3 Ra4?? 31.Ra4 Ba4 32.Qh4 Kf8 33.Bf3 h5 34.Bg4 Ng4 35.f5 Qh6 36.Qd8 Be8 37.Nf1 d5 38.f6 d4 39.Qe7 Kg8 40.Qe8 Qf8 41.Qf8 Kf8 42.Ba5 Nf6 43.Nd2 Ke7 44.Kf2 Ng4 45.Ke2 Ne3? 46.Bb6+– Kd6 47.Nb3 Ng4 48.Nc5 f5? 49.ef5 Ke5 50.Ne6 d3 51.Kd3 Kf5 52.Nd4 Kg6 53.Nf3 Nf6 54.Nh4 Kh6 55.Bd8 Ng4 56.Ke4 Kg7 57.Nf3 Kh6 58.Ne5 Nf2 59.Kf3 Nh3 60.Kg2 Ng5 61.Bg5 Kg5 62.Kh3 Kf5 63.Nc6 Kg5 64.Nb4 Kg6 65.Kh4 Kh6 66.Nd5 Kg6 67.Nf4 Kh6 68.Nh5 Kg6 69.g4 Kh6 70.g5 Kg6 71.Kg4 Kh7 72.Kf5 Kh8 73.g6 Kg8 74.g7 Kh7 75.Kg5 Kg8 76.Kf6 (76...Kh7 77.Kf7+–) 1–0. Taulien,Hans_Juergen (2225) – Thoma,Theo (1820), remoteschach.de, 2004.

7.Nd4 Bb4 8.Nd2 Ne4 9.c3 Nd2 (worse is 9...Nc3 10.Qb3 Na2 11.Ra2 Bd2 12.Kd2+/–) 10.Qd2 Ba5 11.Be2 Nd7 12.0–0 1–0. Tiedemann,Joern (2060) – Schuetzbach,Gerd (1975), RSS7E basic–47, 2011.

7.Nd4 d5 8.c4 =.

7.Nd4 Nbd7 8.a4 Qe8 9.Nd2 Bb4 10.Bd3 Ne5 11.0–0 Bg4 12.f3 Bd7 13.Qe2= c5 14.bc6 bc6 15.c4 Rb8 16.Ba3 Ba3 17.Ra3 Qe7 18.f4 Neg4 19.h3 Nh6 20.e4 Rfe8 21.Re1 a6 22.Qf2 Rb2 23.Rb3 Ra2 24.e5 de5 25.fe5 c5 26.N4f3 Nh5 27.Qe3 Ng3 28.Bb1 Nhf5=+ 29.Qf4 Ra4 30.Nf1 Nh5 31.Qg5 Qg5–/+ 32.Ng5 h6 33.Nf7 Nd4 34.Rb7 Bc6 35.Rc7 Nf4 36.Nd6 Rf8 37.e6 Nfe6 38.Re6 Ne6 39.Rc6 Nd4 (40.Rc8 Rc8 41.Nc8 Kf7= (41...Rc4?? 42.Ba2+–)). Steingraeber,Barbara – Leistner,Axel_Eberhard, RSM2003 remoteschach.de, 2003.

7.Nd4 Qe7 =.

7.Nd4 Re8 8.Be2 Bd7 9.0–0 a6 10.c4 ab5 11.cb5 c6 12.a4 Nd5 13.Nc3 Nc7 14.Nb3 cb5 15.Nb5 Bb5 16.ab5+/– Ra1 17.Ba1 Ne6 18.Qc2 b6 19.Bd3 Qh4 20.Qc3 Nd7 21.Rd1 Nf6 22.Bc4 Ne4 23.Qb2 Qg4 24.Re1 Nf6 25.Nc5 dc5 (25...Qc4 26.Rc1 Qd5 27.Ne6 fe6 28.Qe2=). Wiens,Paul – Angermann,Thomas, RH–ch U20 Gau Algesheim, 1994.

7.Nd4 Bg4 8.Be2 Be2 9.Qe2 a6 10.a4 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Qe7 14.Nd2 Ra8 15.N4b3 d5 16.c4 Bd6 17.cd5 Be5 18.Be5 Qe5 19.Rc1 Nd5 20.Qc4 h6 21.Nf3 Qe6 22.h3 N7b6 23.Qc2 Qe8 24.Nfd4 Qe7 25.e4 Nf4 26.Kh2 Nd7? 27.g3 Ne6 28.Ne6 Qe6 29.Qc7 Qb3 30.Qd7 Qf3 31.Qf5 Qf5 32.ef5 Ra5 33.Rc8 Kh7 34.Rc5 b6 35.Rd5 Kg8 36.h4 Kf8 37.g4 Ke7 38.Kg3 Ra3 39.f3 f6 40.g5 hg5 41.hg5 fg5 42.Kg4 Rb3 43.Re5 Kf7 44.Kg5+/– Rb1 45.Rd5 Rg1 46.Kf4 Rb1 47.Ke5 Ke7 48.Ke4 Rb4 49.Ke3 Rb3 50.Kf4 Rb1 51.Re5 ˝–˝. Taulien,Hans_Juergen (2225) – Meincke,August_Wilhelm (2235), remoteschach.de, 2005.

7.Nd4 Ng4 8.Nd2 Re8 9.N2f3 a6 =.

7.Nd4 Ng4 8.h3 Ne5 9.Be2 =.

7.Nd4 Ng4 8.h3 Qh4 9.g3= Qh6 10.Nc3 (10.Bg2 Ne5 11.Qe2 Re8=) 10...c6 11.Bg2 Ne5 12.Rb1 (12.Ne4 Bb6=) 12...d5 (12...Rd8 13.Qe2 d5 14.Na4 Bb4 15.Kf1=) 13.Nb3 Bb4 14.a3 Bd6 15.bc6 (15.Nd4 Bc5=) 15...bc6 16.Nd5 Nc4 Attacks the isolani on a3 (16...cd5 17.Be5 Be5 18.Qd5 Bc3 19.Kd1–+) 17.Nb4 (17.Nf4 Nb2 18.Rb2 Ba3+=) 17...a5 (17...Nb2 18.Rb2 Rd8 19.c3=) 18.Nd3 (18.Nc6? Nc6 19.Bc6 Bb4 20.ab4 Qc6–+) 18...Nb2 (18...Rd8 19.Qc1+=) 19.Rb2 (19.Nb2 Ba3 20.Qd3 a4+=) 19...a4 20.Nbc5 Qg5 21.Ne4 Qa5 22.Qd2 Qd2 23.Kd2 Ba3 24.Ra2 Be7 25.Nec5 The isolani on a4 becomes a target 25...a3 26.Rha1 Ra5 27.Rb1 Na6 28.Nb3 Rb5 29.Raa1 c5 30.c4 Rb6 31.Ra3 Rd8 32.Ke2 Be6 33.Rc1 g5 34.g4 f5 35.gf5 Bf5 36.Nd2 Nb4 37.Nb4 Rb4 38.Bd5+/– Kf8 39.e4 Bg6 40.Nf3 Bh5 41.Kf1 Rb6 42.Re1 h6 43.Kg2 Be8 44.Ree3 Bd6 45.e5 Bc7 46.Ra7+– (46.Ra7 Rd7 47.Nd2+–) 1–0. Taulien,Hans_Juergen (2350) – Zittel,Max (2230), remoteschach.de, 2002.

6.Be2 a6

7.a4 c6 8.d4 ed4 9.ed4 Bb4 10.c3 Ba5 11.0–0 Bc7 12.Qc2 ab5 13.ab5 Ra1 14.Ba1 Re8 15.Bd3 Bg4 16.Nbd2 d5 17.Ne5 Be5=+ 18.de5 Re5 19.Nb3 cb5 20.c4= Rh5 21.cb5 Nbd7 22.f3 Be6=+ 23.Nd4 Qb6 24.Qc8 Nf8=+ 25.Qc3 Bd7 26.Kh1 Re5 27.Re1 Re1 28.Qe1 Ne6 29.Nf5 Nf4 30.Ne7 Kh8–/+ 31.Bb1 Bb5 32.g3?? Be2–+ 33.h4 Bf3 (34.Kh2 Ng4#) 0–1. De Cat,Ben – Kuehn,M (2230), Aalborg op, 1987.

7.a4 c6 8.d4 ed4 9.Nd4 Bb4 10.c3 Ba5 11.0–0 Bc7 12.Qc2 d5 13.c4 Qd6 14.Nf3 Nbd7 15.Nbd2 Re8 16.Rfc1 ab5 17.ab5 Ra1 18.Ba1 c5 19.cd5 b6 20.Bc4 Bb7 21.e4 Ng4 22.Re1 Qf4 23.g3 Qh6 24.Be2 Nde5 25.Nh4 Bc8 26.Nf1 Nf6 27.f4 Ng6 28.Ng6 Qg6 29.Bd3 Qh6 30.Qa2 1–0. Taulien,Hans_Juergen – Schild,Reinhard, remoteschach.de, 2003.

7.a4 Bd7 8.0–0 c6 9.c4 Bb6 10.d4 e4 11.Nfd2 ab5 12.Ba3 Ra4–/+ 13.Qb3 Be6 14.Nc3 Ra7 15.d5 cd5 16.cd5= Bf5 17.Nb5+/– Ra5 18.Nc4 Ra3+/– 19.Nca3 Ng4 20.Nd4 Bd4+/– 21.ed4 Nd7 22.Bg4 Bg4+/– 23.Qg3 Nf6 24.Rfe1 Bf5 25.Nc4 Nd5 26.Qd6 h6 27.Ra5 Be6+/– 28.Re4 Nc3+= 29.Re3 Bc4= 30.Qd8 Rd8 31.Rc3 Rd4 32.h3 b5 33.Ra8 Kh7 34.Rb8 g6 35.Kh2 Kg7 36.Kg3 Rd2 37.h4 h5 38.Re3 Rd4 39.f3 Rd2= 40.Re1 Kf6 41.Rb6 Kg7 42.Kh3 Kh7 43.Rb7 Rd4 44.Re3 Kg7= 45.g4 hg4 46.fg4 b4 47.Kg3 Ba2 48.Ree7 Kf8+= 49.h5 gh5 50.gh5+/– Kg8 51.Red7 Re4 52.Re7 Be6 53.Kf3+/– Rd4?? 54.Re8+– Kg7 55.Re6 b3 56.Ree7 (56...Kh6 57.Rb6 Kg7 58.Rb3+–; 56.Rg6 Kh8 57.Rf6 Rd1+–) 1–0. Osovsky,Boris – Pous Bargues,Jose Manuel, Alzira–chT, 2003.

7.a4 e4 8.Nd4 =.

7.d4 ed4 8.ed4 Bb4 9.c3 Ba5 10.0–0 Re8 11.a4 Nd5 =.

7.d4 ed4 8.ed4 Bb6 9.0–0 ab5 10.Bb5 Bg4 (10...Be6 11.Re1= Ra2=+) 11.Re1 Nc6 12.c3 Nd5 (12...Re8 13.Re8 Qe8 14.Nbd2=) 13.Nbd2 Nf4 14.h3 (14.Bc1 Re8=) 14...Bh5 15.Ne4 Re8 16.Bc1 d5 17.Neg5 Re1 (17...Qf6 18.Bf4 Qf4 19.Re8 Re8 20.c4=) 18.Qe1 Qf6 19.Qe3 Ng2 20.Kg2 h6 21.Bc6 bc6 22.h4 (22.Nf7 Bf7 23.Qe5 Qg6 24.Qg3 c5=) 22...hg5=+ 23.hg5 Qf5 24.Ne5 c5 25.dc5 Bc5 26.Qc5 Qe4 (26...Qe5 27.Qe3 Qd6 28.a4=+) 27.Kg3 (27.Kg1 Qe1 28.Kg2 Qe5=+) 27...Qe5 28.Bf4 Qf5 (28...Qe2 29.Qe3 (29.Qc7?? Qf3 30.Kh2 Qf2 31.Kh3 Bg6–+) 29...Qg4 30.Kh2=+) 29.Qe3 (29.Qc7 Qg4 30.Kh2 Bg6=+) 29...f6 (29...c6 30.a4=+) 30.Bc7= Re8 31.Qf4 Qd3 32.Kh2 Re4 33.Qg3 Qc4 (33...Qc4 34.f4 Qc7 35.gf6 Re2 36.Kh1 d4 37.cd4 Qc6 38.Kg1 Qf6–+) 0–1. Haznedaroglu,Kivanc (1990) – Krueger,Jan, corr ICCF WSTT/3/06/2, 2006.

5.Nf3 a6

6.a4 0–0 7.Be2 =+.

6.a4 ab5 7.ab5 Ra1=+ 8.Ba1 Bg4 9.Be2 e4 10.Nh4 Be6=+ 11.0–0 Nd5 12.g3= 0–0 13.Bg4 f5 14.Bh3 Qd7 15.c4? Ne7 16.Qb3 g5 17.Qc3+/– Kf7 18.Qg7 Ke8= 19.Qg5 Rg8 20.Qh5+/– Kd8 21.Qh7 c6 22.Bf6 Re8? 23.Bf5 Bf5 24.Nf5 cb5 25.cb5 d5 26.g4 Qb5 27.Qf7 Nd7 28.Qd5 Qc6 29.Qc6 bc6 30.Be7 Be7 31.Ne7 Re7 32.Nc3 Ne5 33.Ne4 Nf3 34.Kg2 Nh4 35.Kg3 (35...Re4 36.Kh4+–) 1–0. tschulz – 1805DYDIDIDY, grosses Mannschaftsturnier, 2005.

6.c4 0–0 7.a4 Bg4 8.Be2 Nbd7 9.0–0 Bf3 10.Bf3= e4 11.Be2 Qe7 12.Nc3 Ne5 13.Qc2+= Ng6 14.Rfd1 Rfe8 15.d3 ed3 16.Rd3 Ne5 17.Nd5 Nd5= 18.Rd5 c6 19.Rdd1+= Rad8 20.Qc3 f6 21.Ra2 Qe6= 22.Raa1 Qe7+= 23.Bh5 Nf7 24.g3 Qe6 25.Ba3 Ba3= 26.Ra3 g6 27.Be2 Qe5 28.Qc2 Qc5 29.Rc3 Qe5 30.c5 ab5 31.ab5 d5 32.bc6 bc6= 33.Rb3 Qc7 34.Qb2 Qe5 35.Rb1 d4 36.Qc2 de3 37.Re3 Qc7 38.Re8 Re8 39.Bf3 Re5 40.Rb6 Nd8 41.Ra6 Qd7 42.Kg2+/– Qc8 43.Qa2 Kf8 44.Ra7 Re7+/– 45.Re7 Ke7 46.Qg8 Qf5 47.Qh7 Nf7 48.Bc6 Qc5 49.Be4 f5 50.Bf3 Kf6 51.h4 Ne5 52.Qb7 Nf3 53.Qf3 Kg7 54.Kh3 Qc1 55.Kg2 Qc4 56.h5 Kh6 57.hg6 Kg6 58.Qe3 Qd5 59.f3 Qa2 60.Kh3 Qb1 61.Qe8 Kf6+/– 62.Qc6 Ke5 63.f4 Kd4+/– 64.Kh4 Ke3 65.Qc3 Kf2 66.g4 fg4 67.Qg3 Ke2 68.Qg4 Kd2 69.f5 Qh1 70.Qh3 Qe1 71.Kg5 Qe5 72.Qh6 (72...Kd1 73.Qf6 Qg3 74.Kh6+–) 1–0. Daehne,Armin – Bliss,Helmut, BdF, 1986.

6.c4 e4 7.Nd4 =+.

6.d4 ed4 7.ed4 Bb6 =.

5.Nf3 Bg4

6.Nc3 0–0 =.

6.d4 ed4 7.ed4 Bb6 =.

6.Be2 Nbd7 7.0–0 0–0 8.d4 ed4 9.ed4 Bb6 10.Nbd2 d5 11.c4 c6 12.a4 Bc7 13.c5 Re8 14.h3 Bh5 15.Re1 Ne4 16.Ne4 de4 17.Nd2 Bg6 18.Bh5 Qg5 19.Bg6 Qg6 (worse is 19...fg6 20.Ne4 Qd5 21.Qg4+/–) 20.Qb3 Nf6 21.Nc4 White prepares the advance a5 21...Nd5 22.Bc1 f5 23.Ne3 Rad8 24.Nd5 cd5 25.a5 f4 26.b6 f3 27.g4 ab6 28.ab6 Bb8 29.Qe3 (29.Rd1 Qf6 30.Be3 Qh4–+) 29...h6 (better is 29...Qf6 30.Qg5 Qd4–/+) 30.Kh1?? (better is 30.Rd1+=) 30...Qf6–+ 31.Kg1 0–1. Rex,Torsten – Ameri,Vincent (1900), Ivrea op, 2005.

6.Be2 Nbd7 7.0–0 e4 8.Nd4 Be2 9.Qe2 =.

6.Be2 e4 7.d4 ef3 8.gf3 Bb4 9.c3 Ba5 10.fg4 Qd7 11.Nd2 Nd5 12.Qb3 c6 13.bc6 bc6 14.Nc4 Bd8 15.e4 Nf4 16.Qb7! Qb7 17.Nd6 Kd7 18.Nb7 Ne2 19.Nd8 Rd8 20.Ke2 Na6 21.Ke3 Rab8 22.Ba3 c5 23.Rab1 cd4 24.cd4 Nc7 25.Bc5 a6 26.d5 Nb5 27.Rhc1 Na3 1–0. usingprogram (2030) – david37 (1660), kurnik, 2012.

6.Be2 e4 7.Nd4 Be2 8.Qe2 =.

6.Be2 0–0

7.0–0 Bb6 8.a4 c6 (8...e4 9.Nd4 Be2 10.Qe2+=) 9.c3 (9.h3 Bf5=) 9...Nbd7= 10.d4 e4 11.Nfd2 Be2 12.Qe2 d5 (12...a6 13.bc6 bc6 14.Na3=) 13.Na3 (13.c4 Re8=) 13...Bc7 14.Rfc1 (14.Nc2 Qe7=+) 14...Re8 (14...Nb6 15.Nc2=+) 15.Nc2 Nf8 (15...Qe7 16.c4=+) 16.Ba3 Ng6 17.Ne1 (17.c4 Qd7=) 17...h5 (17...Nh4 18.c4=+) 18.h3 (18.c4 Nh4=+) 18...h4 (18...Nh4 19.c4=+) 19.c4= Qd7 20.cd5 (20.Nc2 Ne7=) 20...cd5=+ (< 20...Qd5 21.bc6 bc6 22.Qa6+=) 21.Bb4 Rac8 22.Nb3 Nh7 23.Qg4 Qg4 24.hg4 Nf6 25.Rc5 b6–/+ 26.Rc6 Bb8 27.a5 Rc6 28.bc6 Rc8 29.Rc1 Ng4–/+ 30.Nd2 Nf8 31.Ne4? de4–+ 32.d5 Ne5 33.ab6 ab6 34.f3 Nh7 35.f4 Ng4 36.d6 Bd6! 37.Bd6 Ne3 38.c7 Nf6 39.Be7 Ned5 40.Bd8 Ne8 41.f5 Nec7 42.Bh4 Re8 43.g4 Nb5 44.Rb1 Nbc3 45.Rb2 e3 46.g5 Re4 47.Rh2 Rg4 48.Kh1 b5 49.Nd3 b4 50.f6 Rd4 51.Ne1 Rd2 52.Rh3 b3 53.fg7 b2 54.Bg3 b1Q 55.Rh8 Kg7 56.Bf4 Kg6 (57.Rh6 Kf5 58.Bg3 Qe4 59.Kg1 Ne2 60.Kh2 Ng3 61.Kg1 Qb1 62.Rf6 Nf6 63.gf6 Qe1#; 56...Qe1#) 0–1. Wartenberg,Erwin – Telke,Juergen (1790), Rheinhessen–ch HT1 op, 1999.

7.0–0 Qd7 8.Nc3 (better is 8.Nh4=) 8...Ne4?? (better is 8...Bb4=) 9.Ne4+– f5 (9...Bb6+–) 10.Nc5 dc5 11.Ne5 (11...Be2 12.Nd7 Bd1 13.Nf8+– (13.Rad1?! Nd7 14.a4 a6+/–; 13.Rfd1?! Nd7 14.a4 Rfe8+/–)) 1–0. lim2 – Conniff163, Caissa.com, 2004.

7.0–0 e4 8.Nd4 Be2 9.Qe2 =.

7.c4 Re8 8.0–0 Bb6 9.d4 e4 10.Nfd2 Be2 11.Qe2 c6 12.Nc3 d5 13.c5 Bc7 14.a4 Nbd7 15.a5 (15.f3!?=) 15...Ba5–/+ 16.bc6 bc6 17.Nb3 Bc7 18.Nd1 (18.Ra6!?–/+) 18...Qb8 19.Qc2 (19.Na5 Bh2 20.Kh1 Re6–+) 19...Bh2 20.Kh1 Ng4 (20...Bc7!? 21.Kg1–+) 21.g3 Bg3! 22.f4?? (22.fg3 Qg3 Combination) 22...Re6 23.Nc3 (23.Qe2 Rg6 24.Kg2 Qb3 25.Kh3–+) 23...Ne3 (23...Rh6 24.Kg1 Bh2 25.Qh2 Rh2 26.Ba3 Qd8 27.Ne2 Qh4 28.Bc1 Rh1 29.Kg2 Qh2) 24.Qe2 Nf1 (24...Rh6!? 25.Kg1 Bh2 26.Qh2 Rh2 27.Kh2 Qb3 28.Rfe1 Qb2 29.Ne2–+) 25.Rf1 Qb3 26.Kg2 Rb8 27.Rb1 (27.Ba1 Rg6 28.f5 Rg5–+) 27...Bf4 28.Ba1 Qc4 (better is 28...Qb1 29.Nb1 Rb1 30.Bc3–+) 29.Rb8 Bb8 30.Qc2 Rg6 31.Kh3 (31.Kf2 Qd4 32.Ke1 Qe3 33.Qe2 Rg1) 31...Qf1 0–1. harry74 – forsetinn (1670), gameknot.com, 2013.

7.d4 ed4 8.ed4 Bb6 =.

4.e3 Qe7

5.c4 0–0 6.a4 d6 7.Nf3 Be6 8.Be2 Nbd7 9.0–0= e4 10.Nd4 Ne5 11.Nb3 Nc4–/+ 12.Bc3 Nd7 13.Qc2 Qg5 14.f4?? Ne3 15.de3–/+ Be3 16.Kh1 Bf4 17.Be1? Be5 18.Nc3 Qh6 19.g3 c6 20.Rd1 d5 21.Na5 Bh3 22.Rg1 Rab8 23.Nb7? Rb7 24.bc6 Qc6 25.Bb5 Rb5 26.ab5 Qc4 27.Rd5 Bc3 (28.Rd1 Rc8 29.Bc3 Qc3 30.Qc3 Rc3–+) 0–1. Daehne,Armin – Ittner,H, BdF, 1986.

5.c4 a6 6.a4 0–0 7.Nc3 c6 8.e4 d6 9.Be2 Be6 10.Nf3 Ng4 11.0–0 f5 12.d4 Ba7 13.h3 fe4 14.Ne4 Nf6 15.Nf6 gf6 16.de5 de5 17.Ba3 c5 18.Bc1 Kh8 19.Ne1 Rg8 20.Kh1 Nd7 21.f4 ef4 22.Bf4 Rae8 23.Bd6 Qg7 24.Ra3 Nb6 25.Qc2 Bc4 26.Bc4 Nc4 27.Rg3 Qf7 28.Rg8 Qg8 29.Bh2 Ne3 0–1. Martine,Jean_Marie (1860) – Burgaud,Jacques (1870), France, 2000.

5.c4 d5 6.Nf3 Nbd7 7.Be2 c6 8.0–0 0–0 9.a4 (9.d4 ed4 10.Nd4 dc4 11.bc6 Ne5=) 9...Ne4 (9...e4!? 10.Nd4 dc4 11.Bc4 Ne5+=) 10.d4 ed4 11.Nd4 Ne5 (11...dc4 12.Qc2 cb5 13.ab5+=) 12.bc6 (12.cd5!? cd5 13.Nc3 Nc3 14.Bc3+=) 12...Nc4= 13.Bc4 dc4 14.Nc3 Nc3 15.Bc3 Rd8 16.Qc2 Bd4 (16...Qc7 17.Rab1+=) 17.Bd4 Be6 18.Qc3 f6 19.cb7 Qb7 20.Rfb1 Qc7 21.Rb5 Rdb8 22.Rab1 a6 23.Rb6 Rb6 24.Rb6 Rb8 25.a5 Rb6 26.ab6 Qc6 27.h4 Bc8 28.Qb4 Kf7 29.h5 Bb7 30.f3 h6 31.Qb1 a5 32.Qg6 Kf8 33.Qf5 Qd5 34.Qh7 ˝–˝. Lorenc,Tomas (2150) – Gutman,Petr (2170), CZE–chT2b, 2006.

5.c4 d6 6.Nf3 =+.

5.d3 d5=+ 6.Nd2 0–0 7.Ngf3 d4 8.e4 a6 9.a4 ab5 10.ab5=+ Ra1 11.Qa1 Rd8 12.Be2 Bg4 13.0–0 c6 14.c3= dc3 15.Bc3 Nbd7 16.bc6 bc6 17.h3 Bh5 18.g4+= Bg6 19.Ne5 Ne5 20.Be5 Nd7 21.Bf4 f5 22.d4+/– Bb4 23.Bc4 Kh8 24.ef5 Bd2 25.Bd2+– Qh4?? 26.Qa5 h5 27.fg6 hg4 28.Bg5 (28...Re8 29.Bh4+–) 1–0. Werk,Manfred – Meizinger,Mathias, Baden–ch JS Karlsruhe, 2003.

5.Nf3 d6 6.d4 ed4 7.Nd4 0–0 8.Nb3 Nbd7 9.N1d2 Re8 10.Nc5 Nc5 11.Qf3 Nce4 12.Ne4 Ne4 13.Bd3 a6 14.a4 d5 15.0–0 Qg5 16.Qe2 c5 17.bc6 bc6 18.a5 c5 19.Rfd1 Rb8=+ 20.Rdb1 Rb4 21.Qe1 Nd6 22.Ba3 Bh3=+ 23.g3 Rb1 24.Rb1 c4 25.Bf1 (25.Bd6 cd3 26.cd3 Qg6=) ˝–˝. nordlicht – Dragonwolves, mySchach.de, 2004.

5.Nf3 d6 6.d4 ed4 7.Nd4 0–0 8.Be2 a6 9.a4 ab5 10.ab5=+ Ra1 11.Ba1 c6 12.c4 Bb4 13.Bc3 d5 14.0–0 Bc3 15.Nc3 dc4 16.Bc4 ˝–˝. Schwichtenberg,Juergen – Wieprecht,Gerhard, Hessen–ch Seniors, 2003.

5.Nf3 d6 6.Be2 0–0 7.0–0 Re8 8.d3 a6=+ 9.a4 Bg4 10.Nbd2 Nbd7 11.Nb3 ab5 12.ab5 Bb6 13.Qd2 Nf8 14.Ra8 Ra8 15.Ra1 Ra1 16.Ba1 c6 17.Qb4 Qc7 18.c4 Ne6 19.h3 Bh5 20.g4 Bg6 21.Nh4 Nf8 22.Nf5 Bf5 23.gf5 c5 24.Qa3 Qc8 25.e4 ˝–˝. Harding,Timothy David – Plijter, corr ICCF EU–M–873, 1989.

5.Nf3= e4 6.Nd4 0–0 7.Nf5 Qe6 8.g4 Ne8 9.d4 Bb4 10.c3 Ba5 11.Qa4 g6 12.Qa5 gf5 13.gf5 Qf5 14.Rg1 Kh8 15.c4 (15...Rg8 16.d5 f6 17.Rg8 Kg8 18.Nc3+/–) 1–0. Van Rooijen,Peter (1695) – Ward,Tim, internet, 2002.

5.Nf3 e4 6.Nd4 Bd4 7.Bd4 d5 8.Nc3 c6 9.d3 0–0 10.bc6 bc6 11.de4 Ne4 12.Ne4 Qe4 13.Qd3 Ba6 14.Qe4 de4 15.Rb1 Bf1 16.Rf1 Nd7 17.Rb7 c5 18.Rd7+/– cd4 19.ed4 Rfe8 20.Kd2+– Red8 21.Rd8 Rd8 22.Ke3 f5 23.f3 g5? 24.fe4 f4 25.Kd3 h5 26.c4 Rb8 27.d5 Kf8 28.e5 Rb2 29.e6 Rg2 30.c5 Rh2 31.c6 Ke8 32.c7 Rh3 33.Kd4 f3 34.c8Q Ke7 35.Ke5 g4 36.d6 1–0. Taulien,Hans_Juergen – Moeller,Florian, remoteschach.de, 2003.

5.Nf3 e4 6.Nd4 d5 =.

4.Be5 Bf2

5.Kf2 Ne4 6.Ke1 d6 7.Bf4 (better is 7.Bd4+–) 7...Qf6+/– 8.d3 Qa1 9.de4 Be6 10.Nf3 Nd7 11.a3 0–0 12.Bd2 Nc5 13.Bc3 Qa2 14.Nd4 (14.e5!? Ne4 15.ed6 cd6 16.Bb4+=) 14...Ne4+= 15.Bb4 Rfe8 16.e3 a6 (16...Bg4 17.Qc1 (worse is 17.Qg4 Qb1 18.Ke2 a5–/+) 17...Qd5 18.Nc3=) 17.Bd3 Bg4 18.Qc1 (18.Qg4 Qb1 Deflection) 18...Qd5–/+ 19.c4 (19.Rf1 Qg5 20.Be4 Re4–/+) 19...Qe5 (19...Qg5 20.Be4 Re4 21.Kf2 Qf6 22.Kg3 Qe5 23.Kf2–/+) 20.Nf3 (better is 20.Be4!? Qe4 21.Kf2+=) 20...Qh5–/+ 21.Be2 ab5–+ 22.h4 bc4 23.Nd4 c5 24.Bc5 dc5 25.Bg4 Qg4 26.Nf3 Qg3 (26...Qg3 27.Kd1 Qg2–+) 0–1. Baer,Cy (1895) – Convent,Christoph (1915), RSS5E–10 remoteschach.de, 2007.

5.Kf2 Ne4 6.Ke1 f6 7.Bf4 g5 +–.

5.Kf2 Ne4 6.Ke1 Qh4 7.g3 Qg5 8.Bf4 (8.Nf3 Qg4 9.Bc7 d5+–) 8...Qg6 (8...Qb5 9.Bg2 d5+–) 9.e3 (9.Bc7 Qf6 10.Nf3 Qa1=) 9...d5 10.Bc7?? (10.d3 Bg4 11.Be2 Be2 12.Ne2 Nf6+–) 10...0–0?? (Better is 10...Qf6 11.Nf3 Qa1=+) 11.Bd3 (11.Qf3!? d4+–) 11...Qf6 12.Qf3?? (12.Be4 Qa1 13.Bd5+–) 12...Qe6?? (Better is 12...Qa1 13.c4 f5–+) 13.Ne2+– Bd7 (13...Nd7 14.Nd4 Qe7 15.Qh5+–) 14.Nd4 Qe7 15.Nc3 Nd6 (15...Nc3 16.dc3 Rc8 17.Bb8 Rab8+–) 16.Nd5 (16...Qe5 17.Nc3+–) 1–0. MasterofDisaster – 2phypeach, Live Game Caissa's Web, 2004.

5.Kf2 Ng4 6.Ke1 Ne5 7.d4? Nc4?? 8.Nf3 Qe7–/+ 9.c3 d5 10.Qc1 Bf5 11.Qg5 Qg5–+ 12.Ng5 Ne3 13.Na3 0–0 14.g3 Nd7 15.Rc1 a6 16.Kd2 ab5 17.Ke3–/+ Ra3 18.Bh3? Bh3 19.Nh3 Ra2 20.Rhe1 Nf6 21.Kd3 Rfa8 22.Rb1 c6 23.Nf2 Ne8 24.Ke3 Nd6 25.Kf3 R2a3 26.Rbc1 b4 27.Nd1 b5 28.Kg2 b3 29.Rb1 Nc4 30.Kh3 Ra1 31.Nf2 b2 32.e4 Rb1 33.Rb1 Ra1 34.Ra1 b1Q (35.Ra8#; better is 34...ba1Q 35.Ng4 de4–+) 0–1. Norstrom,K – Sjolund,M, corr SSKK 3–1300, 1993.

5.Kf2 Ng4 6.Ke1 Ne5 7.Nf3 Nf3 8.ef3 0–0 9.Nc3 d5 10.Kf2 Qh4 11.g3 Qd4 12.Kg2 f5 13.Qe2 Bd7 14.Qd3 Qf6?? (better is 14...Qd3 15.Bd3 Be6=) 15.Qd5+– Be6 16.Qb7 Nd7 17.Qc7 Rac8 18.Qa7 f4 19.Be2 fg3 20.hg3 Rc3 21.dc3 Bd5 22.Raf1 (worse is 22.Qd7 Bf3 23.Kh2 Be2 24.Qd5 Rf7+–) 22...Ne5 23.Qd4 Bf3 (23...Qe6 24.Rh5 Ng4+–) 24.Bf3 Nf3 25.Qd5 Kh8 26.Rf3 (26.Rf3 Qd8 27.Rf8 Qf8 28.b6+–) 1–0. usingprogram (2045) – szakill, kurnik, 2011.

5.Kf2 Ng4 6.Ke1 Ne5 7.Nf3 Nf3 8.ef3 Qf6 9.Qe2?? Kd8–+ 10.Nc3 Re8 11.Ne4 Qa1 (12.Qd1 Qb2–+) 0–1. Bini,Gabriele – Kautzsch,Klaus, Canarias en Red prel 1st, 2004.

5.Kf2 Ng4 6.Kg3 Ne5 7.Nf3 Nf3 8.ef3 Qg5 9.Kf2 Qh4 10.Ke3 –/+.

3.Bb2 Nh6

4.e3 c6 5.Nf3 d6= 6.a4 e4 7.Bg7+/– Rg8 8.Bh6 Qf6 9.Nc3?? Qh6?? 10.Ne4+– Bb4 11.Be2 Rg2+/– 12.Ng3 cb5? 13.ab5 Qf6 14.c3 Bc5 15.h4 Bg4 16.Kf1 Bf3 17.Bf3 Rg3 18.fg3 Nd7 19.Kg2 Ne5 20.Bb7 Rb8 21.Rf1 Qe7 22.Ba6 Nc4 23.b6! ab6 24.Bc4 Qe4 25.Qf3 Qc4 26.d4 Qc3 27.Qf7 Kd8 28.Qf8 Kc7+– 29.Qg7 Kc6 30.d5! Kd5 31.Qc3 h5 32.Qd3 Kc6 33.Qe4 Kc7 34.Ra7 Kc8 35.Rf8 1–0. pumpkin (2255) – joesim, net–chess.com, 2006.

4.e3 Qe7 5.Nf3 d6 6.Bc4 =.

4.Be5 Ke7?? 5.Bg7+– Bf2 6.Kf2 Nc6 7.Bh8 Qh8 8.Nc3 Ng4 9.Ke1 b6 10.bc6 Ba6 11.Qb1 Bc4 12.Qb4 Ke6 13.Qc4 Kf5 14.Qf7 Ke5 15.Nf3 Kd6 16.Qd7 Kc5 17.Qd5 Kb4 18.a3 1–0. Taulien,Hans_Juergen – Baum,Sebastian, remoteschach.de, 2001.

4.Be5 Bf2 5.Kf2 Ng4 6.Ke1 Ne5 =+.

3.c4?? d6

4.e3 a6 5.a4 ab5 6.cb5 c6 7.Nf3 cb5 8.Bb5 Bd7 9.Bd7 Nd7 10.d4 Qa5 11.Bd2 Bb4 12.Bb4 Qb4 13.Qd2 Qd2 14.Nbd2 ed4 15.Nd4 Ngf6 16.0–0 0–0 17.e4 Ra5 18.f4 Rfa8 19.f5 Ra4–/+ 20.Ra4 Ra4 21.Nb5 Ne4 22.Rf4? Ra1 23.Rf1 Nd2?? 24.Ra1+– Nb6 25.Rd1 Ne4 26.Nd6 Nd6?? 27.Rd6 Nc4 28.Rd8# 1–0. fly – SarahThompson6, Caissa's Web, 2004.

4.f3 Qh4 5.g3 Qc4 6.e4?? Qd4–+ 7.Nc3 Qf2# 0–1. boysie – verbal, net–chess.com, 2002.

3.e3 a6

4.Bb2 d6 (--> 3.Bb2 d6 4.e3 a6).

4.d4 ed4 5.ed4 Qf6 =.

4.Qf3 d6 5.Bb2 =+.

4.Qf3 Qf6 5.Qd5 d6=+ 6.Bc4 Ne7 7.Qd3 d5! 8.Bb3 e4 9.c3?? ed3–+ 10.Ba4 Qb6 11.ba6 Nbc6 12.Nf3 Ra6 13.Bc6 Qc6 14.Ne5 Qd6 15.Nf3 0–0 16.Bb2 Nc6 17.c4 dc4 18.Nc3 Ne5 19.Ng5 Qd7 20.Nce4 Ba3 21.Be5 Bd6 22.Bd4 Re8 23.Bg7 Kg7 24.0–0 Be5 25.Rab1 Ra2 26.f4 Bd6 27.Rf3 f6 28.Nh3 Re4 29.Rg3 Kh8 30.Kf2 Rd2 31.Ke1 Re2 32.Kd1 R4e3 33.Re3 (33.Ng1 Qa4 34.Rb3 Qb3 35.Kc1 Qc2#) 0–1. manofsteel3 – active1, Live Game Caissa's Web, 2005.

3.e3 c6

4.Bb2 d6 (--> 3.Bb2 d6 4.e3 c6).

4.Qh5 d6=+ 5.bc6 (5.Bb2 Nf6 6.Qg5 0–0=+) 5...bc6 (5...Nc6 6.Bc4 Nh6 7.Nf3=+) 6.Bc4 (6.Ba3 Ba3 7.Na3 Nf6=+) 6...g6 (6...Nh6 7.h3=+) 7.Qf3 (7.Qd1 d5 8.Be2 Qg5=) 7...d5 8.Bb3 (8...e4 9.Qg3–/+; 8.Be2 Bf5 9.Qg3 Nd7=+). manofsteel2 – crackerking, Live Game Caissa's Web, 2005.

3.e3 d5

(--> 1.b4 e5 2.b5 d5 3.e3 Bc5).

4.Bb2 d4 (--> 1.b4 e5 2.b5 d5 3.Bb2 d4 4.e3 Bc5).

4.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bc5).

3.e3 d6

4.a4 a6 5.c4 (5.d4 ed4 6.ed4 Qf6=) 5...Nf6 6.Bb2 (6.d4 ed4 7.ed4 Qe7 8.Be2 Bb4 9.Bd2 Bd2 10.Nd2 ab5 11.ab5 Ra1 12.Qa1 0–0=+) 6...0–0–/+ 7.d4 ed4 8.ed4 Bb4 9.Bc3 Bc3 10.Nc3 Qe7 11.Be2 Re8 (11...Bg4 12.h3 Bf5 13.Nf3=+) 12.Nf3= Ne4 13.Nd5 Qd8 14.0–0 c6 15.Nf4?? (15.Ne3 ab5 16.ab5 Ra1 17.Qa1 cb5 18.cb5 Qf6=) 15...Nc3?? (better is 15...g5–+) 16.Qb3?? (better is 16.Qd3 Qa5 17.Ng5=) 16...Ne2–+ (< 16...Re2 17.Qc3 Re4 18.Nd3=) 17.Ne2 Re2 18.d5 (18.Rfe1 Re1 19.Re1 ab5 20.ab5 Bd7 21.bc6 bc6–+) 18...c5 (18...ab5 19.Qd3 Qe7 20.Nd4–+) 19.b6 Re8 (19...Nd7 20.Rfe1 Re7 21.Re7 Qe7 22.Re1–+) 20.a5 Bf5 21.h3 (21.Rae1 Nd7–+) 21...h6 (21...Qf6 22.Rae1 Nd7 23.Re3–+) 22.g4 (22.Rae1 Nd7–+) 22...Be4 23.Rae1 Bf3 (23...Nd7 24.Nd2 Bg6 25.Re8 Qe8 26.Qe3–+) 24.Qf3 Nd7 25.Qf4 Qf6 (25...Ne5 26.Re3–+) 26.Qg3 (26.Qf6 Nf6 27.Kg2 Re4 28.Re4 Ne4–+) 26...Ne5 27.f4 (27.Rc1–+) 27...Nc4 28.g5 hg5 29.fg5 Qg6 (29...Qd4 30.Kh2–+) 30.Rc1 (30.h4 Re1 31.Qe1 Qd3–+) 30...Nd2 (30...Na5 31.Rf3 Qe4 32.Ra3–+) 31.Rfd1 (31.Rf4 Nb3! 32.Rcf1 Nd4 33.Rd4 cd4–+) 31...Ne4 32.Qg2 Qg5 33.Rc4 (33.Qg5 Ng5 34.Rd3 Rac8–+) 33...Qg2 (33...Qe3 34.Kh2–+) 34.Kg2 Nf6 35.Rf1 (35.Kf3 Re5–+) 35...Re2 36.Kf3 Ra2 37.h4 Nd5 38.Rd1 Ra3 39.Kg4 Ne3 40.Kg5 Nc4 41.Kf5 Re8 42.h5 Re5 43.Kf4 Rh5 44.Ke4 Rh4 45.Kd5 Ne3 46.Kd6–+ Nd1 47.Kc7 Re4 48.Kb7 Ra5 49.Kc6 Re6 50.Kb7 Rb5 51.Ka6 Rb1 52.Kb7–+ c4 53.Kc7 Reb6 54.Kd7 Rb8 55.Kc6 0–1. MasterofDisaster – TroubledMind, Live Game Caissa's Web, 2004.

4.a4 Nf6 5.d4 ed4 6.ed4 Qe7 7.Be2 Bb4 8.c3 =.

4.Nc3 a6 5.Ne4 (5.Bb2 Nf6=+) 5...Ba7 (5...Bb6 6.Bb2=+) 6.Qh5 (6.Bb2 f5 7.Ng3 Nf6=) 6...Nf6 7.Nf6 (7...Qf6 8.Qf3=+). solidsteelpipe – rewq, Live Game Caissa's Web, 2005.

3.e3 Qe7

4.a4 Nf6 5.c4 (5.Nf3 d5=+) 5...d5 6.Bb2 0–0 7.h4 (7.cd5 Nd5 8.Qh5 Nb4=+) 7...Bf5 8.Nf3 Nbd7 (8...d4 9.ed4 ed4 10.Qe2–+) 9.Qb3 (9.d4 Bb4 10.Nc3 Rfd8–/+) 9...c6 (9...d4 10.Be2 Qd6 11.ed4 ed4 12.0–0–/+) 10.Be2 (10.d4 Bb4 11.Bc3 Bd6=+) 10...Rfe8 11.d4 ed4 12.Nd4 Bd4 13.Bd4 c5 14.Bb2 d4 15.0–0 de3 16.Nc3 (16.fe3 Bg4 17.Bf3 Bf3 18.Rf3 Ng4–/+) 16...Ne4 (16...Rad8 17.Rae1–/+) 17.Ne4–/+ Qe4 (17...Be4 18.fe3 Qh4 19.Rf4–/+) 18.Bf3 (18.fe3 Qe3 19.Qe3 Re3=+) 18...ef2 (18...Qh4!? 19.fe3 Be4–/+) 19.Rf2=+ Qe6 (better is 19...Qh4!? 20.Bb7 Rab8–/+) 20.Bd5 Qg6 21.Rf5 Qf5 22.Rf1 Qg4 (22...Qg6 23.Bf7 Qf7 24.Rf7 Kf7 25.Qf3 Ke7 26.Qb7+–) 23.Rf7 (23.Bf7?! Kh8 24.Be8 Re8=) 23...Rab8?? (better is 23...Re1 24.Rf1 Re6+/–) 24.Rf4 Qe6 25.Qg3 g6 26.Re4 Qd5 27.Re8 (27.cd5 Re4 28.Qc3 Rd4=+) 27...Re8 28.cd5 (28...Re7 29.Qc7+–) 1–0. Roell,Uwe – Mueller,U, Bochum Post op, 1990.

4.Qg4 g6 5.Bb2 =.

3.e3 Nf6

4.Bb2 (--> 3.Bb2 Nf6 4.e3).

4.c3 c6 5.d4 (5.Nf3 e4 6.d4 Be7=+ (< 6...ef3 7.dc5 fg2 8.Bg2+=)) 5...ed4=+ 6.ed4 (6.cd4 Be7=) 6...Bb6 (6...Be7!?=+) 7.Qe2 Qe7 (Better is 7...Kf8!?=) 8.Qe7+/– Ke7 9.Ba3 d6 10.Nd2 Re8 11.0–0–0 Ba5 12.Kc2 Bf5 13.Kb3 c5 14.dc5+– dc5 15.Bc5 Kd7 16.Nc4 Kc7 17.Na5 b6 18.Bd6 Kc8 19.Nc6 Nc6 20.bc6 Rd8 21.Ba6# 1–0. gungho555 – luangprabang, Live Game Caissa's Web, 2004.

4.c3 Be7 5.c4 =.

4.c4 0–0 5.f3 Nh5 6.Nc3?? (better is 6.Ne2+=) 6...Qh4–+ 7.Ke2 (7.g3 Ng3! 8.hg3 Qh1–+) 7...Qc4 8.d3 (8.Ke1 Qh4 9.Ke2 Ng3 10.hg3 Qh1 11.Nh3–+) 8…Qc3 (8...Qc3 9.Bd2 Qb2–+) 0–1. Rocka – Wall,Bill, chess.com, 2009.

4.d4 ed4 5.ed4 Be7 6.Nf3 a6 7.ba6 Na6 8.c3 0–0 9.Bd3 d5 10.0–0 Re8 11.Ne5 Bd6 12.f4 c5 13.a4 Qb6 14.a5 Qc7 15.Na3 (15.Bb5 Re7+=) 15...Qa5–/+ 16.Be3 Qb6 (16...Qc3? 17.Nb5 Bg4 18.Ng4 (18.Nc3?! Bd1 19.Rfd1 c4+/–) 18...Ng4 19.Nc3 Ne3 20.Qb1 Nf1 21.Bh7 (worse is 21.Bf1 Nb4+–; 21.Qf1?! Nb4 22.Bb5 Ra1 23.Qa1 Rc8+–) 21...Kh8 22.Kf1+– (22.Qf1?! Kh7 23.Qb1 Kg8+/–)) 17.Qd2 c4 18.Bc2 Ng4 19.Rfb1 Qd8 20.Nb5 Bb8 (20...Ne5?! 21.de5 Bf8 22.h3=; 20...Ne3 21.Qe3 f6 22.Nd6 Qd6 23.Nc4=) 21.Ng4 Bg4 22.h3 Bd7 23.Bf2 Bc6 24.Qc1 Qd7 25.Bg3 f6 (25...Bb5 26.Rb5 Qb5 27.Ba4 Bf4 28.Bf4–/+ (28.Bb5?? Bc1 29.Rc1 Re2–+)) 26.Ra5 g5 27.Rb2 gf4 28.Bh4 Re3 29.Qb1 Qg7 30.Bf5 f3 31.Bg4 Bd7 32.Bd7 Qd7 33.Ra1 Bf4 34.Qf1 Rae8 35.Re1 Qg7 36.Re3 Re3 37.Kh1 Nc7 38.Bf2 Rd3 39.gf3 Nb5 40.Rb5 Rf3 41.Qg2 Qg2 42.Kg2 Rc3 43.Rd5 Rd3 44.Be1 c3 (44...c3 45.Rc5 Bd2–+) 0–1. Geiger,Walter (2050) – Kocandrle,Jaroslav (2085), IECG, 2006.

3.e4 Nf6

4.Nc3 d5 5.ed5 Nd5 =+.

4.Nc3 Ng4?? 5.Qg4+– d6 6.Qg7 Kd7 7.Qf7 Qe7 8.Qe7 Ke7 9.Nf3 h6 10.Nh4 a6 11.Ng6 Kd7 12.Nh8 ab5 13.Bb5 c6 14.Be2 Na6 15.Ng6 Nb4 16.0–0 Nc2 17.Rb1 Nd4 18.Bg4 Kc7 19.Bc8 Rc8 20.d3 Rg8 21.Ne7 Rg7 22.Nf5 Rf7 23.Nh6 Rf6 24.Kh1 d5 25.ed5 cd5 26.Nd5 (26...Kd6 27.Nf6+–) 1–0. cdamien – addick, ICC, 2003.

4.d3 c6 5.bc6 dc6 6.Nf3 Ng4 7.d4 Bd4 8.Nd4 ed4 9.Be2 Ne5 (9...Nf2 10.Kf2 d3 11.Nc3 Qh4 12.Kg1 de2 13.Qe2–/+) 10.0–0 (10.Nd2 c5 11.0–0–/+) 10...0–0 (10...d3 11.cd3 Qd4 12.Qb3+=) 11.Bb2 (11.Ba3 Re8–/+) 11...c5 12.f4 Ng6 13.Bc4 (13.f5 Ne5–/+) 13...Qh4 (13...Nc6 14.Qh5 Qd6 15.e5–/+) 14.Bc1 (14.c3 dc3 15.Nc3 Nf4–/+) 14...Qe7 (14...Nc6 15.Qe1 Qe1 16.Re1–/+) 15.Qe2 Nd7 (15...Nc6 16.Nd2–/+) 16.c3 Nb6 17.Bb3 dc3 (17...Rd8 18.cd4 cd4 19.Qd3–/+) 18.Nc3 c4 19.Bc4? (better is 19.Bc2+=) 19...Qc5–+ 20.Be3 Qc4 21.Qc4 (21.Rac1 Qe2 22.Ne2 f5–+) 21...Nc4 22.Bd4 Rd8 23.Bc5 b6 24.Rad1 Ba6 25.Bd4 Nb2 26.Nd5 Nd1 (26...Nd1 27.Rd1 Bc4–+) 0–1. Maly,Guenther (1785) – Meier,Josef (1960), remoteschach.de, 2010.

3.Nf3 d6

4.Nc3 Qf6 5.Ne4= Qf5 (5...Qe6 6.Nc5 dc5 7.Bb2=) 6.Nc5+= dc5 7.Bb2 (better is 7.d3+=) 7...Nh6?? (better is 7...f6=) 8.Be5+– Nd7?? (better is 8...0–0+–) 9.Bg7 (9.Bg7 Qg6 10.Bh8+–) 1–0. Wall,Bill – Pegasus, internet, 1999.

4.e3 Ne7 5.d4 ed4 6.ed4 Bb6 7.Bd3 0–0 8.0–0 Bf5 9.c4 c6 (9...a6 10.Nc3+=) 10.Nc3+/– Nd7 11.Bg5 f6 12.Bf4 Bd3 13.Qd3 Nb8 (13...Bc7 14.Rfe1 Re8 15.Rac1+/–) 14.Ne4 d5 15.Nd6 dc4 (15...Qd7!?+/–) 16.Qc4+– Nd5 17.Rab1 Kh8 18.Bg3 Qe7 19.bc6 bc6 20.a3 Nd7?? (better is 20...Qd7+–) 21.Rfe1 (21.Rfe1 Qd8 22.Qc6+–) 1–0. pereira – fpom, internet, 2016.

4.Nc3 Be6

2.b5 c6

3.a4 a5 (--> 1.b4 a5 2.b5 c6 3.a4 e5).

3.a4 Qa5 4.Bb2 cb5 5.Be5 ba4 6.Bc3 Qa6 7.e3 b5 (Better is 7...Qc6!?+=) 8.Na3+– Ba3? (8...Qc6 9.Nb5 Ba6+–) 9.Ra3?? (9.Bg7 Qg6 10.Bh8 b4+–) 9...f6? (9...Nf6 10.Qb1+/–) 10.Qe2 (Better is 10.Qg4!? Kf8 11.Bb4 d6 12.Bd6 Kf7 13.Qh5 g6 14.Qc5+–) 10...Bb7 11.Qb5?? (Better is 11.Qg4 g6 12.Qb4+/–) 11...Qb5–+ 12.Bb5 Bc6 13.Bc6 Nc6 14.Ra4 Rb8 15.Ra1 Nge7 16.Ne2 Nd5 17.Bd4 Nd4 18.Nd4 0–0 19.0–0 Ra8 20.c4 Nb6 21.d3 a5 22.Rfb1 Nc8 23.Ra4 Ne7 24.Rba1 Rfb8 25.g3 Nc6 26.Nc6 dc6 27.Ra5 Ra5 28.Ra5 Rb3 29.d4 Rb4 30.c5 h5 31.Ra6 g5 32.Rc6 f5 33.Rg6 Kf7 34.Rg5 f4 35.gf4 h4 36.Rh5 Rb1 37.Kg2 h3 38.Rh3 (38...Rd1 39.Rh7 Kf6 40.Rd7+–) 1–0. MasterofDisaster – poloroid, Live Game Caissa's Web, 2004.

3.a4 Qb6 4.e3 cb5 5.ab5 a6 6.Bb2 d6 7.d4 Nd7 8.d5 Ngf6 9.g3 Nd5?? (Better is 9...Be7–/+) 10.Qd5+– Be7 11.ba6?? (11.Nc3 Nc5+–) 11...0–0?? (Better is 11...Qb2 12.ab7 Qb7 13.Qb7 Bb7 14.Ra8 Ba8–/+) 12.ab7?? (Better is 12.Qb5 Qb5 13.Bb5 ba6 14.Bc6+–) 12...Bb7 13.Qb7?? Qb7 14.Ra8 Qa8 15.f3 Qa2 16.Bc1 Qb1 17.Kd1 Rc8 18.Bd3 d5 19.Ne2 Nf6 20.e4 de4 21.fe4 Ba3 22.Rg1 Ng4 23.Kd2 Bb4 24.c3 Qa2 25.Bc2 Rd8 26.Ke1 Qc2 27.Kf1 Nh2 28.Kg2 Qe2 29.Kh1 Bc3 30.Bg5 Ng4 31.Bh4 Qh2# 0–1. MasterofDisaster – lidl4, Live Game Caissa's Web, 2004.

3.a4 Bd6 4.Bb2 Nf6 5.Nf3 Qe7 6.e3 0–0 7.Be2 Bc7 8.0–0 d5 9.c4 (9.d4 e4 10.Ba3 Bd6=) 9...Bg4 (9...e4 10.Ne1–/+) 10.d4 e4 11.Ne5 Be2 12.Qe2 Nfd7 (12...Rc8 13.Rc1=) 13.Nd7 Nd7 14.Nc3 (14.Ba3 Bd6=) 14...Qe6 15.cd5 cd5 16.Rac1 Qd6 17.Qh5 Nf6 18.Qh4 Rac8 19.Ne2 (19.Nb1 Qe6=) 19...Ba5 (better is 19...Qb4!? 20.Rb1 Bd6–/+) 20.Ng3+= Qe6 21.Qf4 h6 22.Nf5 Bd2 23.Rc8 Rc8 24.Ba3 Ba5?? (better is 24...Rc4=) 25.Ne7+– Kh8 (25...Kh7 26.Nc8 Qc8 27.Be7+–) 26.Nc8 Qc8 27.Rc1 Qd7 28.Qb8 Kh7 29.Qa7 (29.Qa7 Bd8 30.Qb8+–) 1–0. pumpkin (2315) – gregorgysi (2420), net–chess.com, 2012.

3.a4 g6 4.e4 Bg7 5.Bb2 d6 6.c4 b6 7.Nf3 Bb7 8.Qc2 Nf6 9.d3 0–0 10.h3 Nbd7 11.Be2 Qc7 12.Na3 Rfe8 13.0–0 Nc5 14.Rfe1 Ne6 15.Rad1 c5 16.Nb1 a6 17.Nc3 Nf4 18.Ra1 Qd7 19.Bc1 Ne2 20.Re2 ab5 21.cb5 d5 22.ed5 Nd5 23.Nd5 Bd5 24.Ne1 f5 25.Bb2 Qf7 26.Qd2 Qd7 27.Nc2 Bb3 28.Rae1 Qd6 29.f4 Bh6 30.Be5 Qd7 31.Na3 Ra4 32.Bb2 Re2 33.Qe2 Bf4 34.Qe8 Qe8 35.Re8 Kf7 36.Rh8 h6 37.Rh7 Kf8 38.Kf2 Bf7 39.g3 Rb4 40.Bf6 Bg5 41.Be5 Rb3 42.Nc4 Rd3 43.Nd6 Rd6 44.Rh8 Ke7 45.Bd6 Kd6 46.Rb8 Kc7 47.Ra8 Bc4 48.Ra7 Kd6 49.Rg7 Bb5 50.Rg6 Kc7 51.h4 Bc1 52.Rf6 Bd3 53.Kf3 c4 0–1. purplegadge (1795) – white70 (1730), gameknot.com, 2011.

3.Bb2= Qa5 4.Be5+= Qb5 5.Nf3 d6 6.e4 Qa5 7.Bc3 Qc7 8.Bc4 Bg4 9.0–0 Nd7 (better is 9...Nh6!?+=) 10.Bf7!+– Kf7 11.Ng5 Ke8 12.Qg4 Ngf6?? (better is 12...Nc5+–) 13.Qe6 Be7 (13...Kd8 14.Bf6 Nf6 15.Nf7 Qf7 16.Qf7 Be7 17.Qg7 Rg8+–) 14.Qf7 Kd8 15.Ne6 (15...Kc8 16.Nc7 Kc7 17.Qe7+–) 1–0. Taulien,Hans_Juergen – Hangmann,Christian, remoteschach.de, 2002.

3.Bb2 e4 4.e3 d5 5.c4 (--> 1.b4 e5 2.Bb2 e4 3.e3 d5 4.c4 c6 5.b5).

3.Bb2= Qe7 4.e4 Qe6 (4...d5 5.ed5 cd5 6.Nf3=) 5.Nf3+= Be7 (5...Nf6!?+=) 6.Ne5+/– f6 (better is 6...Nf6 7.bc6 bc6+/–) 7.Nf3?? (7.Bc4 d5 8.ed5 cd5 9.Bb3–/+) 7...Qe4= 8.Be2 cb5 9.Nc3 Qb4 (9...Qg6!?=) 10.Nb5+/– Na6 11.Bd4 d5 (11...Bc5 12.Bc5 Qc5 13.0–0+=) 12.Rb1 Qa4 (12...Qa5 13.Na7 Bd7 14.0–0+/–) 13.Na7 Bf5?? (better is 13...Bd7 14.Rb7 Qa2+–) 14.Bb5 Qb5 15.Rb5 Nc7 (15...Nb4 16.d3 Na2 17.0–0+–) 16.Rb7 Rc8 (16...Bd6+–) 17.Nc8 (17...Bc8 18.Rc7+–) 1–0. Taulien,Hans_Juergen – Steinbach,Thorsten, remoteschach.de, 2002.

3.Bb2 f6 4.e4 (--> 1.b4 e5 2.Bb2 f6 3.e4 c6 4.b5).

3.Nc3 d5=+ 4.Rb1 Nf6 5.e3 Qa5 6.bc6 Nc6 7.Rb5 Qd8 8.Nf3 Bg4 9.Qe2? Be7?? 10.Rb7 0–0 11.Qa6= Nb4 12.Qb5?? d4 13.Qe5 Re8?? 14.Rb4=+ Bb4 15.Qg5?? dc3–+ 16.d4 Bf3 17.gf3 Qd5 18.Rg1 Qg5 19.Rg5 Ba5 20.h4?? Bb6–+ 21.Bg2 Bd4 22.h5 Rab8 23.h6 g6 24.Ke2 Re5 25.f4 Rg5 26.fg5 Rb1 27.ed4?? Rc1 28.f4 Rc2 29.Kf3 Rg2! 30.Kg2 c2 31.gf6 c1Q 32.d5 Qd2 (33.Kg3 g5–+; 32...Qf4 33.a3–+) 0–1. Jolilein – michele@, mySchach.de, 2005.

3.c4 g6 4.Bb2 Bg7 5.e3 Ne7 6.Nf3 d6 7.Be2 0–0 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 e4 12.Bg7 Kg7 13.Nd4+= cb5 14.cb5 Qa5 15.Nc3 d5 16.Qb3 b6? 17.Qb2+– Kg8?? 18.Ra1 Qa1 19.Qa1 Nd7 20.Qa7 Re8 21.Nc6 Nc6 22.bc6 Nc5 23.Nd5 Be6 24.Nf6 Kf8 25.Ne8 Ke8 26.Qb6 Nd3 27.Bd3 ed3 28.Qb8 Ke7 29.c7 Kf6 30.Qd8 Kf5 31.f3 Ke5 32.g4 h5 33.Qd4# 1–0. secgestor – Istvanny (1655), internet, 2007.

3.d4 Bb4 4.c3 Ba5 5.e4 Nf6 6.Bg5 d6 7.de5 de5 8.Qd8 Bd8 9.Bc4 (9.Nf3 Nbd7 10.Nbd2 0–0=) 9...0–0 10.Nf3 Re8 11.Nbd2 Bg4 12.Nh4 h6 13.Bf6 Bf6 14.f3 Bh5 15.Nf5= Bg5 16.Nd6?? Re7?? 17.Nf5 Rd7 18.Nb3 a6 19.Nc5+= Rc7? 20.b6+– Rc8? 21.g4 Bg6 22.Rd1 Kh7? 23.h4 Bf4 24.g5 h5 25.Nb7 a5 26.Nbd6 Rd8 27.b7 Ra7 28.a4 Nd7? 29.Bf7 Bf7 30.Nf7 Rb7 31.Nd8 Rb3 32.Rd7 Rb1 33.Ke2 Rh1 34.Rg7 Kh8 35.Nf7 1–0. dc – peakbagger, HCL–C2365 playchess.de, 2003.

3.e3 Bd6 4.Nc3 Nf6 5.a4 0–0 6.Be2 Qe7 7.Bb2 Bc7 8.Ba3 d6 9.Nf3 Re8 10.Bc4 Be6 11.Ne5+= Bc4 12.Nc4 Qe6 13.Qe2 d5= 14.Nb2 Ne4 15.g3 Nc3=+ 16.dc3 Nd7 17.0–0 Bd6 18.Bd6= Qd6 19.Rfd1 Qc5 20.c4+/– Nf6 21.cd5 Nd5 22.Qc4 Qc4 23.Nc4 Rad8 24.bc6 bc6+/– 25.a5 Nb4 26.Rd8 Rd8 27.c3 Nd5 28.Ra3 Kf8 29.a6 Rb8 30.Ne5 Rc8 31.c4+– Nb4 32.Ra4 c5 33.Nd7 Ke7 34.Nc5! Rc5 35.Rb4 Rc7 36.Kg2 Kd6 37.Kf3 Kc5?! 38.Rb7 Kc6 39.Rb5 g6 40.h4 h6 41.g4 Rd7 42.h5 Re7 43.e4 Rd7 44.hg6 fg6 45.Ke3 Rf7 46.f4 1–0. fifteenminutesofgame (2400) – gregorgysi (2280), net–chess.com, 2004.

3.e4 a6 4.bc6 Nc6 5.a3 Nf6=+ 6.Nc3 Nd4 7.Nf3= Nc6 8.Be2 d6 9.0–0 b5 10.Nd5 Ng4 11.d4 Nd4?? 12.Nd4+– Qh4 13.h3 Qg3 14.Bg4 Qh4 15.Nc7 Kd8 16.Na8 ed4 17.Qd4 Bb7 18.Qb6 Ke7 19.Qb7 Kf6 20.Nc7 h5 21.Ne8 Kg6 22.Bf5# 1–0. dale2 – Smooth, Live Game Caissa's Web, 2005.

3.e4 cb5 4.Bb5 Nc6 5.c3 (5.Nf3!?=) 5...Nf6=+ 6.Qf3 Be7 7.Ne2 0–0 8.Ba3 d6 9.d4 ed4 10.cd4? (10.Bc6 Bg4 11.Qd3 bc6=+) 10...Bg4?? (Better is 10...Qa5 11.Nec3 Nd4–+) 11.Qd3 Be2 12.Qe2?? (Better is 12.Ke2 d5 13.e5 Ba3 14.Na3=+) 12...Qa5 13.Kf1 Nd4 14.Qd3 Nb5 15.Bb2 Rac8 16.g3 Qa4 17.Kg2 Rc6 18.Nc3 Nc3 19.Bc3 Ne4 20.Rhe1 Nc3 21.Re7 Rfc8 22.Rb7 R6c7 23.Rb3 Qe4 24.Qe4 Ne4 25.Re1 d5 26.f3 Rc2 27.Kh3 Nf2 28.Kh4 R2c4 29.Kg5 h6 30.Kf5 Nh3 31.Rbe3 Ng5 32.f4 g6 33.Kg4 Ne4 34.a3 Rc2 35.h4 Kg7 36.Rd1 Nf2 37.Kf3–+ 0–1. vadimus – gera, Live Game Caissa's Web, 2004.

3.e4 Qb6 4.Nc3= a6 5.ba6 Na6 6.Nf3 Bc5=+ 7.Bd3 Bf2–/+ 8.Kf1 d6 9.Rb1 Qc5 10.Qe2 Bd4 11.Na4 Qa5 12.Nd4 ed4?? 13.Nb6+= Rb8 14.Nc4 Qc5?? 15.Ba3+– Qg5 16.Nd6 Kd7 17.Nf7 Qf6 18.Qf3 Qf3 19.gf3 Nf6 20.Nh8 Ke6 21.Rg1 g6 22.Ba6 Ra8 23.Bc4 Kd7 24.Bc5 b5 25.Bb3 Kc7 26.Bd4 Bh3 27.Kf2 Nd7 28.Rg3 (28...c5 29.Rh3 cd4 30.Rh7+–) 1–0. mtr – stefanbr, internet, 2009.

3.e4 d6 4.Bb2 Nf6 5.Nc3 a6 6.bc6 Nc6 7.a3 Be7 8.Nf3 Bg4 9.Be2 0–0 10.0–0 h6 11.Nh4 Be2 12.Qe2 Ne4 13.Qe4 Bh4 14.g3 Be7 15.Nd5=+ f5 16.Qc4 Kh7 17.Rae1 Rc8 18.f4 Nd4 19.Qd3+= Nc2 20.fe5?? Ne1–+ 21.Re1 de5 22.Re5 Bf6 23.Qf5 Kh8 24.Nf6 Rf6 25.Qe4 Qd2?? 26.Re8= Rf8 (27.Bg7 Kg8 28.Qe6 Kh7 29.Rf8 Rc1 30.Rf1 Rf1 31.Kf1 Kg7 32.Qe7 Kg6 33.Qb7 Qd3 34.Kf2 Qa3 35.Qc6 Kg7 36.Qd7 Kf6 37.Qd4 Kg6 38.Qe4 Kf6 39.Qf4 Kg6 40.Qg4 Kf6 41.Qh4 Kg7=) =. tit1 – FREEDOM4FISCHER, Caissa's Web, 2004.

3.Nf3 e4 4.Nd4 Qf6 =+.

3.a4 a6

4.Bb2 d6 5.c4 Qb6 (5...Be6 6.e4+=) 6.Qc2 (6.d4 ab5 7.ab5 Ra1 8.Ba1 cb5 9.cb5 e4=) 6...Bd7 (6...ab5 7.ab5 Ra1 8.Ba1+=) 7.a5 Qd8 (7...Qc5 8.Ba3 Qd4 9.Bb2=) 8.b6 Nf6 9.e3 c5 10.Nc3 Nc6 11.h3 Nb4 12.Qb1 Be7 (12...Qe7 13.Nf3=) 13.Be2 Qc8 14.Bf3 (14.Nf3 Bc6=) 14...Bf5 15.e4 Bg6 16.Nge2 0–0 17.d3 h5 (17...Qe6 18.0–0=) 18.Qd1 Nh7 19.Ng3 h4 20.Bg4 Qd8 21.Nf5 Bg5 22.0–0 Nf6 23.Bf3 Qd7 24.Qe2 Nc6 25.Nd5 Bf5 26.Nf6 Bf6 27.ef5 Qf5 28.Be4 Qd7 29.Qh5 g6 30.Qh6 Qe7 31.Qd2 (31.Bd5 Nb4 32.Qg6 Bg7+/–) 31...Bg5= 32.Qc3 Nd4 33.Rae1 Rab8 34.Bd5 Kh7 (34...Bf4 35.Bc1 Bc1 36.Qc1=) 35.f4 Bf6 (35...Bh6 36.Bc1=) 36.Re4+= Bg7 37.Qd2 (37.fe5 de5 38.Qe1 g5+=) 37...f5= 38.Ree1 Bh6 39.Qf2 Qf6 40.Bd4 (40.Bc1 Bf4 41.Bf4 ef4 42.Qf4 Rfe8=) 40...cd4 (40...ed4? 41.Re6 Qg7 42.Rfe1+–) 41.fe5 (41.Qe2 Bf4 42.Rf4 ef4 43.Qe7 Kh6 44.Bb7 Qe7 45.Re7 Kg5+=) 41...de5+= 42.Qf3 (42.Kh1 Be3 43.Qe2 Qe7+=) 42...Be3 43.Kh1 Qe7 44.Ra1 Rfc8 45.Ra2+= Bf4 46.Qe2 Qg5 47.Rf3 Rc5 48.Qe1 Qf6 49.Qb4 Qd6+= 50.Qe1 g5 51.Re2= Bg3 52.Rg3 hg3 53.Re5 Rf8 54.Re7 Kh8 55.Re6 Qb8 56.Re7 Qf4 57.Re6 g4 58.Re8 Rc8 59.Rc8 Rc8–+ 60.Bb7 Qe3 61.Qf1 Re8 62.Be4 Qf2 63.Qc1 f4 64.Qg1–/+ Kg7 65.b7 Rh8 66.Bf5 f3 67.Bg4 Re8 68.Qf2 gf2 69.Bf3 f1Q 70.Kh2 Qd3 71.c5 Qb5 72.c6 Qa5 (72...Qa5 73.g4 Qa3–+; 72...Qg5 73.g4 Qf4 74.Kg2 Re3 75.b8B Qf3 76.Kg1 Re1 77.Kh2 Qf2#) 0–1. Frenzel,Lothar – Diener,Rudolf, corr SOK–92–86, 1992.

4.c4 Qa5 5.Bb2= d6 6.e3 Qb4 (6...Nf6!?=) 7.Bc3+= Qc5 8.d4 ed4 9.Bd4 Qf5 10.Nf3 Be6 11.Bd3 Qh5 12.Nbd2 c5 13.Bc3 Nd7 14.Ne4 h6?? (better is 14...f6+/–) 15.Ng3+– Qe5 (15...Qg4 16.h3 Qc4 17.Bc4 Bc4 18.ba6 Ra6 19.Rb1+–) 16.Ne5 Ne5 17.Be5 de5 18.0–0 (18.Qf3!? Rd8 19.Qb7 ab5 20.ab5 Ne7+–) 18...Rd8 19.Qc2 Nf6 20.Rad1 Bd6 21.Ne4 Ne4 22.Be4 Bc8 23.Rd2 Rd7 (23...Bc7 24.Rfd1 Ke7 25.Rd8 Rd8 26.Rd8 Bd8 27.Bf5+–) 24.Rfd1 (better is 24.ba6 ba6 25.Bc6 Bc7+–) 24...Ke7 25.Bf5 (25.Bf5 Rhd8 26.Bd7 Rd7 27.Rd5 ab5 28.Qd2+–) 1–0. Wiedermann,Jan (1740) – Pham,Hoang, Karlovy Vary op, 2009.

4.c4 ab5 5.cb5 cb5 6.Nc3 Bb4 7.Nb5 Nc6 8.Bb2 (8.Rb1 Bc5=) 8...Nf6 9.e3 (9.Nf3 d6+=) 9...d5 10.Nf3 Qe7 11.Be2 0–0 12.0–0 Bf5 (12...Bg4 13.d4 e4 14.Ne5 Be2 15.Qe2+=) 13.h3 (13.d3!?=) 13...Rfc8 14.Nh4 (14.d3 Nd7–/+) 14...Be6 15.f4 (15.Nf3 d4–/+) 15...e4 (15...Ne4 16.Nf3 Ng3 17.Re1–+) 16.f5 Bd7 17.Bc3 (17.Rc1 Ne5–/+) 17...Bc3 18.Nc3 (better is 18.dc3!? Na5 19.Qe1–+) 18...d4–+ 19.ed4 Nd4 20.Rb1 Qc5 21.Kh1 Rc7 (21...Ra7 22.Bb5 Bb5 23.ab5–+) 22.Nb5 (22.Bb5 Bb5 23.ab5 Qd6–+) 22...Bb5 23.Bb5 Qd6 24.Rc1 (24.d3–+) 24...Rc1 25.Qc1 Nb5 (better is 25...Nh5!? 26.Kg1 Ng3 27.Rf2 Nb5 28.ab5–+) 26.ab5 Nh5 27.f6 (27.Kg1 Ng3 28.Re1–+) 27...Ng3 28.Kg1 Ne2 29.Kh1 Nc1 30.Rc1 Qd2 31.Rf1 Qg5 32.g3 Qg3 33.Ng2 Qh3 34.Kg1–+ Ra2 35.Rf2 Ra1 36.Rf1 Rf1 37.Kf1 e3 38.Kg1 e2 39.Kf2–+ Qh2 (better is 39...gf6 40.Ne3 Qe3 41.Ke3 e1Q 42.Kd4 h5–+) 40.fg7 e1Q! 41.Ke1 Qg2 42.b6 Kg7 43.Kd1 Kf6 44.Kc1 Ke5 45.Kb1 Kd4 46.Kc1 Kc3 0–1. MasterofDisaster – NORSEWIKING, Live Game Caissa's Web, 2004.

4.bc6 dc6 5.Bb2 Bd6 6.g3 (6.Nf3 Qa5=) 6...Be6 7.f4 f6 (7...ef4 8.Bg7) 8.e3 (8.fe5 fe5 9.a5+=) 8...ef4 9.ef4 Ne7 10.Qe2 0–0?? (better is 10...Bd5 11.Nf3 0–0–/+) 11.Qe6+– Kh8 12.Bg2 Re8 13.Ne2 Nd5 14.Qg4 Qe7 (14...Qb6 15.Bc1+–) 15.Bf3 (15.Nbc3 Nb4 16.Be4 Nd7+–) 15...Nd7 16.0–0 Bc5 17.Bd4 N7b6 18.d3 (better is 18.a5 Bd4 19.Nd4+–) 18...Bd4–+ 19.Nd4 Qe3 20.Rf2?? (better is 20.Kh1 Qd4 21.c3 Qd3 22.Rd1–+) 20...Qd4 21.c3 (21.Nc3 Qc3 22.Raf1–+) 21...Qe3 (better is 21...Re1 22.Kg2 Ne3 23.Kh3 Ng4 24.cd4 Nf2 25.Kg2 Nd3–+) 22.c4?? (22.Bd5 Nd5 23.Qd1 Rad8–/+) 22...Qe1 (better is 22...Qd4 23.cd5 Qa1–+) 23.Kg2?? (better is 23.Rf1 Qf1! 24.Kf1 Ne3 25.Kf2 Ng4 26.Bg4–+) 23...Ne3 24.Kh3 Ng4 25.Bg4 Qf2 26.Nc3 g5 (better is 26...Qc2 27.Ne4 Qd3 28.Nf2–+) 27.Ne4 Qd4 28.fg5 Qa1 29.gf6 Qf1 30.Kh4 Re4! 31.de4 Qf6 32.Kh3 Nc4 33.Bf5 Ne3 34.g4 Qh6 35.Kg3 Rg8 36.h3 Nf5 37.ef5 Qe3 38.Kh4 Qf2 39.Kh5 Qg3 40.h4 Qg4 0–1. MasterofDisaster – Horseraddish, Live Game Caissa's Web, 2004.

3.a4 cb5

4.ab5 a6 5.Bb2 d6 6.e3 Nf6 7.c4 Nbd7 8.Nc3 g6 9.d3 Bg7 10.Be2 0–0 11.Bf3 Re8 12.ba6 Ra6 13.Ra6 ba6 14.Nge2 Nc5 Black intends e4 15.Bc6 Bd7 16.Bd7 Nfd7 17.0–0 e4 18.d4 Nd3 19.Ba3 Qc7 20.Ne4! Re4 21.Qd3 Nf6 22.Ng3 Rh4 (22...Re8 23.Ra1+/–) 23.h3 Qd7 24.f3 Nh5 25.Nh5 Rh5 26.Qe4 Rg5? (26...d5 27.Qf4 h6 28.c5+/–) 27.f4 (better is 27.Qf4 h6 28.Qd6+– (28.Bd6?! Rf5 29.Qg3 Qe6+/–)) 27...Rg3?? (better is 27...Ra5 28.Qd3 Qc7+/–) 28.Kh2 Qa4 (28...d5 29.cd5 f5 30.Qd3 Rg2 31.Kg2 Qd5 32.Kg3+–) 29.Bd6 (29.Qa8 Qe8 30.Qe8 Bf8 31.Bd6 Rh3 32.Kh3 h5 33.Qf8 Kh7 34.Qf7 Kh6 35.Bf8) 29...Qd7 (29...h6 30.Rc1 Rg2 31.Kg2 Qb3+–) 30.Qa8 (30.Qa8 Qd8 31.Qd8 Bf8 32.Qf8) 1–0. Biskup,Izabela (1800) – Kirszenstein,Anna, DMO Poland, 2007.

4.ab5 a6 5.Bb2 d6 6.Nf3 Bd7 7.c4 a5 8.e3 b6 9.Nc3 Be6 10.Na4 d5 11.Be5 dc4 12.Rc1+– Nd7 13.Bd4 Ngf6 14.Bc4+– Bc4 15.Rc4 Nd5 16.0–0 Bb4 17.Bg7 Rg8 18.Re4 Be7 19.Bd4 f5 20.Re6 Kf7 21.Rh6 N5f6 22.Ne5 Kg7?? 23.Nc6+– Qe8 24.Rh3 Kf8 25.Nb6 Nb6 26.Bb6 Bb4 27.Bd4 Qe6 28.Bf6 Qf6 29.Rh7 Rg5?? 30.Qf3 Rg7 31.Rg7 Kg7 32.b6 Bd6 33.b7 Ra6 34.d4 a4 35.b8Q Bb8 36.Nb8 Ra5 37.Nd7 Qd6 38.Qg3 Qg3 39.hg3 a3 40.Ra1 a2 41.f4 Kf7 42.Kf2 Ke7 43.Nc5 Kd6 44.Kf3 Ra3 45.Ke2 (45…Kd5 46.g4 fg4 47.f5+–; Better is 45.g4 fg4 46.Kg4 Re3 47.Ra2 Re1+–) 1–0. IOM – ron11, Caissa's Web, 2004.

4.ab5 Qb6 5.e3 Bc5 6.Bb2 d6? 7.Nf3?? Bg4 8.Be2 Nd7? 9.0–0?? d5?? 10.Nc3 d4 11.Na4 Qc7 12.Nc5 Bf3 13.Bf3 Nc5 14.ed4 ed4 15.Bd4 0–0–0 16.Bg7 Ne7 17.Bh8 Rh8 18.Ra7 Nf5 19.d4 Qb6 20.Ra8 (20…Kc7 21.dc5 Qc5 22.Rh8+–) 1–0. IOM – FREEDOM4FISCHER, Caissa's Web, 2004.

4.ab5 Bc5 5.e4 (5.e3 d5=) 5...Nf6 6.Nc3 0–0 7.Bb2 d6 8.h3 Be6 9.Nf3 Qb6 10.Qe2 Nbd7 11.Ng5 Rfe8 12.Ne6 Re6 13.Nd5 (better is 13.Qf3!?+=) 13...Nd5+= 14.ed5 Rf6 15.f3 Re8 16.0–0–0? (16.Bc3 Qc7 17.Qe4+=) 16...e4?? (better is 16...Ra8!?–+) 17.Re1 (better is 17.d4!? Bb4 18.fe4=) 17...Rg6 18.fe4 Bf2 19.Rd1 f5 20.d4 Bh4 (20...Bg3 21.e5 de5 22.de5 Be5+=) 21.Qh5?? (better is 21.e5+=) 21...Bg5–/+ 22.Kb1 Nf6 23.Qe2 Re4 24.Qc4 Be3 d4 draws heavy fire 25.Qc8 Kf7 26.Qf5= Rf4?? 27.Qe6+– Kf8 28.Qe3 Re4 29.Qf3 Kg8 30.Bd3 Re8 31.Bg6 hg6 32.Rde1 Rc8 33.Qe3 Nd5 34.Qe6 Kh8 35.Qc8 Kh7 36.Qc4 Nf4 37.Rhg1 d5 38.Qc5 Qa5 39.b6 black resigned.. . . (39.b6 Qb6 40.Qb6 ab6 41.Re5+–) 1–0. islanderfan (2060) – langelli (2055), net–chess.com, 2012.

4.ab5 d5 5.Bb2 Qc7 6.e3 Be6 7.Nf3 Nd7 8.Be2 Bb4 9.0–0 Bd6 10.h3 Ngf6 11.Na3 (11.Ba3 0–0=) 11...Nb6 12.Ng5 Bf5 13.d3 Na4 14.Qc1 0–0 15.c4 Nb2 16.Qb2 e4 17.de4 Bh2 18.Kh1 Be5 (18...de4?! 19.g3=; worse is 18...Ne4 19.Nf3 Bd6 20.cd5+=) 19.Qb4 Ba1 20.ef5 Be5 21.c5 Rfe8 22.f4? (better is 22.Bd3!?–/+) 22...Bf4–+ 23.Rf4 (23.b6 ab6 24.Nb5 Qe5 25.Qf4 Qf4 26.Rf4 Re3–+) 23...Re3 24.Bd1 (24.Rf2 Qg3 25.Rf3 Qg5–+) 24...Ra3! 0–1. CountFromHolland – ZorMaster, playchess.de, 2002.

4.ab5 d5 5.Bb2 Nd7 6.e3 Ngf6 7.Nf3 White threatens to win material: Nf3xe5 7...Bd6 8.c4 (8.d4 Bb4 9.c3 Bd6+=) 8...b6 (8...e4!? must definitely be considered 9.Bf6 Qf6–/+ (worse is 9...gf6 10.Nd4=)) 9.cd5 Bb7 Black threatens to win material: Bb7xd5 (9...Nd5 10.e4 Nf4 11.g3+=) 10.Bc4 (10.Nc3 Nd5 11.Ne4 Be7+=) 10...Qc7 (10...e4 11.Nd4 Ne5 12.Qc2=) 11.d3+= Secures e4 11...Bb4 (11...Nd5 12.e4 Nf4 13.0–0+=) 12.Nbd2+/– 0–0 (12...e4 13.Nd4 Qe5 14.Rb1 Bd2 15.Qd2 Bd5 16.Ne2+=) 13.0–0 (13.Rc1 h6+/–) 13...Bd2 (13...Bd5 14.Qb3 Qc5 15.d4 Bc4 16.Nc4 (16.dc5?! is much weaker 16...Bb3 17.Nb3 bc5=) 16...ed4 17.Nd4+/–) 14.Nd2 (better is 14.Qd2!? Nd5 15.Rfc1+–) 14...Bd5+/– 15.Rc1 (15.Bd5 Nd5 16.Ne4 Nc5+=) 15...Qb7 (15...Qd6!?+= deserves consideration) 16.e4+/– Bc4 17.Nc4 (17.dc4?! a5=; 17.Rc4?! a6+=) 17...Qb8 (17...a6 18.Be5 Ne5 19.Ne5 ab5 20.Qb3+/–) 18.Ba3 (18.f4 ef4 19.Qf3 a6+/–) 18...Nc5 19.Ne3 (19.f4 ef4 20.d4 Nce4 21.Bf8 Kf8+/–) 19...Qd6 The backward pawn on d3 becomes a target 20.Rc3 (20.Bc5 bc5 21.Nf5 Qb6+=) 20...Rac8 21.Nf5 White threatens to win material: Nf5xd6 21...Qd7 (21...Qd8 22.Qc2 g6 23.Ne3+=) 22.Qb1 (22.Qc1 Nd5 23.Nh6 (23.Bc5 is clearly worse 23...Nc3 24.Qg5 f6–/+; 23.ed5?! Qf5 24.Bc5 Rc5+/–) 23...gh6 24.ed5 Qd5 25.Qh6+/–) 22...Rfd8 23.Rfc1 g6 24.Ne3 Qd4 (24...Ne6 25.Rc8 Rc8 26.Nc4=) 25.g4 h5 Black threatens to win material: h5xg4 26.g5 White threatens to win material: g5xf6 26...Ng4 Black threatens to win material: Ng4xe3 27.Bb2?? White lets it slip away (27.Bc5 Rc5 (27...bc5? 28.Nd1+–) 28.Rc5 bc5=) 27...Qd7 (better is 27...Ne3 and Black has prevailed 28.h3 Qd7–+) 28.Nd5+/– Kg7? (28...Rf8 29.h3 f6 30.Qa2+– (30.hg4?! Qg4 31.Kh2 Qh4 32.Kg1 fg5=)) 29.h3 (better is 29.f3!? and White can already relax 29...a6+–) 29...Nf2 30.Kf2 Qh3 31.Rh1 Qg4?? an oversight. But Black was lost anyway. 32.Qd1 Qg5+/– 33.Bc1 Qg4?? further deteriorates the position 34.Qg4+– hg4 35.Bh6 Kh8 36.Bg5 Kg7 37.Bf6 1–0. Frank,Detlev – Runge,Hans M, Pinneberg–ch op, 2001. (=1.a3 c5 2.b4 cb4 3.ab4 e5 4.b5 d5)

4.ab5 d5 5.d4 e4 6.Bf4 =+.

3.a4 Bc5

4.e3= d5 5.d4 Bd6 6.Ba3 =.

4.e3= Qf6 5.Bb2 (5.Ba3 Ba3 6.Ra3 d6=) 5...a6 (5...d6 6.d4 ed4 7.ed4=) 6.Nf3 ab5 (better is 6...d6!?=) 7.Be5+/– Qf5?? (better is 7...Qh6 8.Bb8 Rb8+/–) 8.Bg7+– ba4 9.Be2 Nf6 10.Bh8 d5 11.Bf6 Qf6 12.Nc3 Qg7 13.0–0 (13...Bh3 14.Ne1+–; better is 13.Ra4!? Na6+–) 1–0. pumpkin (2330) – maxam, net–chess.com, 2007.

4.e3= Nf6 5.Bb2 d6 6.Nc3 0–0 7.h3 Re8 8.Nf3 b6 9.Be2 Bb7 10.0–0 d5 (10...Bb4 11.Na2 Ba5 12.Nc1=) 11.d4 (11.Ne5 Re5 12.d4 Bd4 13.Qd4 Qe7+=) 11...ed4= 12.Nd4 Bd4 (12...a6 13.Bf3=) 13.Qd4+= c5 14.Qd1 (14.Qh4 Nbd7+=) 14...Ne4 (14...d4 15.ed4 cd4 16.Na2+=) 15.Bf3 (15.Ne4 Re4 16.Bd3 Rb4+=) 15...Nc3 16.Bc3 a6 17.Bb2 (17.Qd3 Qg5+=) 17...Qg5+= 18.h4 (better is 18.Qd2!?+=) 18...Qh4+= 19.Bd5 Bd5 (19...Rd8 20.e4+=) 20.Qd5= Ra7 21.ba6 Ra6 22.Rfd1 h6 23.Qb7 Qb4?? (better is 23...Ra4 24.Ra4 Qa4 25.Qb6 Qb4 (worse is 25...Qc2 26.Rd8 Rd8 27.Qd8 Kh7 28.Qb8+/–) 26.Qb4 cb4=) 24.Be5!+– Ra4 (24...Re5 25.Qb8 Double attack (25.Qb8 Deflection; 25.Qb8 Decoy)) 25.Bb8 Ra1 26.Ra1 c4 (26...Qc3 27.Qa7+–) 27.Rd1 (better is 27.Bf4!? Qc3 28.Ra7 Rf8+–) 27...Qb2 28.Rd7 f5? (better is 28...Qc1 29.Kh2 Qc2 30.Rf7 Qg6+–) 29.Qd5 Kh8 30.Rd8 (better is 30.Bf4!? Qf6+–) 30...Rd8 31.Qd8 Kh7 32.Qf8?? (32.Qd7 Qa1 33.Kh2 Qf6+–) 32...Qa1?? 33.Kh2+– Qa5 34.f4 Qe1 35.Qf5 Kg8 36.Qd5 Kh8 37.Qd8 Kh7 38.Be5 Qe2 39.Qd7 Qh5 40.Kg1 Qg6 41.c3 Qb1 42.Kh2 Qg6 43.e4 Kg8 44.g4 Qe4 45.Qg7 1–0. henkf (1615) – adanbaev (1640), gameknot.com, 2011.

3.a4 d5

4.Ba3 Ba3 5.Ra3 Nf6 6.e3 0–0 7.h3. xorb – septika, ChessWorld.net, 2011.

4.Ba3 c5 +=.

4.d4 e4 5.e3 Nf6 6.c4 Bb4 7.Bd2 Be7 8.c5 b6 9.Bb4 0–0 10.g3 (10.a5 bc5 11.Bc5 cb5 12.Bb5 Bc5 13.dc5 a6–/+) 10...Bg4 (10...Nfd7 11.Nc3–/+) 11.Be2 Qd7 12.Bg4 Ng4 13.Ne2 Qf5 (13...cb5!? 14.ab5 Qb5 15.Ra4–+) 14.0–0 Qh5 15.h4 Bh4 (better is 15...a6 16.Nf4 Qf5+=) 16.Kg2?? (16.Nf4 Qg5 17.Ng2 Bg3 18.fg3 a5+= (18...Ne3? 19.Qc1 Qg3 20.Qe3 Qe3 21.Ne3+–)) 16...Bg5 (better is 16...Bg3 17.Rh1 Ne3 18.Kg1 Bf2 19.Kf2 Qf3 20.Ke1 Qh1 21.Kd2 Nd1 22.cb6 Nf2–+) 17.Rh1= Qg6 18.Nbc3?? (better is 18.cb6 Qf5 19.Nf4 ab6 20.Bf8 Bf4 21.ef4 Kf8 22.bc6 Nc6 23.Qb3+=) 18...Be3! 19.Rf1?? (19.fe3 Ne3 Double attack) 19...Bg5 (better is 19...Qh6 20.Rh1 Qf6–+ (20...Nf2?! 21.Rh6 Nd1 22.cb6 ab6 23.Rd1 Bh6 24.Bf8 Kf8 25.bc6–+)) 20.Ba3? (20.cb6 ab6 21.Bf8 Kf8 22.bc6 Qc6+=) 20...f5 (better is 20...Rd8!?–+) 21.cb6–/+ Rf7 22.ba7 Raa7 23.Bc5 Ra8 24.b6? Na6 25.a5? h5 26.Kh3 e3 27.Rb1?? Nf2–+ 28.Rf2 ef2 29.b7 Rb8 30.Nf4 Bf4 31.gf4 Rbb7 32.Rb7 Rb7 33.Qf1 Qg1 34.Qg1 fg1Q 0–1. diggerdogwoofwoof – Tony_Farrell, ChessWorld.net, 2012.

4.e3 c5 5.Bb2 Nd7 6.Qh5 Ngf6 7.Qf5 g6 8.Qf3 e4 9.Qe2 Be7 10.d4 ed3 11.Qd3 (11.cd3 Bd6 Combination; 11.Qd3 0–0 Combination) 11...c4 12.Qd1 Nc5 13.Nc3 Attacking the backward pawn on d5 13...0–0 14.Nf3 Nfe4 (better is 14...Nce4 15.Ne4 Ne4+= (worse is 15...de4 16.Qd8 Rd8 17.Nd4+/–)) 15.Nd5+/– Bg5? (better is 15...c3 16.Bc3 Nc3 17.Nc3 Bf6 18.Qd8 Rd8+/–) 16.Bc4+– Qa5 (16...Be6 17.Qd4 Bf6 18.Nf6 Qf6+–) 17.Kf1 Na4 (17...Be6 18.Qd4 f6 19.Ng5 Ng5 20.Qc5 Qd8+–) 18.Qd4 f6 (18...Nb2 19.Ra5 Nc4 20.Ng5 Ned2 21.Ke1 Re8 22.Nf6 Kf8 23.Qc5 Re7+–) 19.Nf6 Kg7 20.Ne4 (20.Ne8 Kh6 21.Qg7 Kh5 22.Qh7 Bh6 23.Ng7 Kg4 24.h3#) 20...Kh6 21.Neg5 Kh5 22.Qh4# 1–0. wullie54 – Petra Vreeswijk, ChessWorld.net, 2011.

4.e3 f5 5.Bb2= Nd7 6.Nf3 Bd6 7.Be2 c5 8.d3 b6 9.0–0 h6 (9...Ngf6 10.c4=) 10.c4 (10.d4 e4 11.Ne5 Ne5 12.de5 Bc7+=) 10...d4 11.ed4 cd4 12.Re1 Bb4? (12...Ne7 13.Nfd2+=) 13.Nbd2?? (13.Ne5 Ne5 14.Bh5 Kf8 15.Re5 Ne7+–) 13...Ngf6?? (13...Ne7!?=) 14.Bf1?? (14.Nd4 Bb7 15.Ne6 Qe7 16.Nc7 Kd8 17.Na8 Ba8+–) 14...Bd6? (better is 14...0–0 15.Ne5 Ne5 16.Re5 Qd6+/–) 15.Nd4+– g6 16.Nc6 (16.f4 Bc5 17.Qf3 Rb8 18.fe5 Ng4+–) 16...Qc7 17.f4 e4 18.g3 0–0 19.de4 Ng4? 20.e5 Bc5 21.Bd4 Bb7 22.Bc5 Nc5 23.h3 Bc6 24.bc6 Ne5 25.Re5 Rad8 26.Qe2 Qc6 27.Bg2 Qd6 28.Bd5 Kh8 29.a5 Qf6 30.Nf3 Nd7 31.Re6 Qa1+= 32.Kg2 Qg7 33.ab6= Nb6 34.Ne5 Rf6?? 35.Rf6?? Qf6+= 36.Nf7 Kg7 37.Nd8 Qd8 38.Qe5 Kh7 39.Kf3 Nd5 40.Qd5 Qd5 41.cd5 Kg7 42.Ke3 Kf7 43.Kd4 Ke7 44.g4?? Kd6 45.g5 h5 46.Kc4 a5 47.Kb5 Kd5 48.Ka5 Ke4 49.Kb5 Kf4 50.Kc4 Ke3 51.Kd5 f4 52.Ke5 f3 53.Kf6 f2 54.Kg6 f1Q 55.Kh5 Qh3 56.Kg6 Kf4 57.Kf6 Qf5 0–1. Starr,Albert Martin – Sandberg,Evan, San Francisco MI Hurt mem U1800, 2005.

4.e3 Nf6 5.Bb2 Bd6 6.c4 0–0 7.c5 Bc7 8.g3 (8.Nf3 Nbd7+=) 8...Re8 9.Bg2 d4 10.e4 Bd7 11.Na3 cb5 12.ab5 Bg4 13.f3 Bh5 14.g4 Bg6 15.h4 h5 16.g5 (16.Nc4 Nbd7 17.g5 Nh7+=) 16...Nfd7–/+ 17.Rc1 Nf8 (17...Qe7!?–/+) 18.Bh3 Nbd7 19.c6 bc6 20.bc6 Nb6 21.Ne2 Ne6 22.0–0 d3 23.Ng3 Nf4 24.Bg2 (24.Kh2!?–/+) 24...f6–+ (worse is 24...Ng2 25.Kg2 Rb8 26.Bc3–/+) 25.Qb3 (better is 25.gf6 Qf6 26.Nb5 Qh4 27.Qe1–+) 25...Bf7 26.Qb4 (26.Qd1 fg5 (26...Ng2?! 27.g6 Bg6 28.Kg2–+) 27.Rf2 gh4–+) 26...fg5 (26...Ng2?! 27.g6 Bg6 28.Kg2–+) 27.hg5 (27.Kh2–+) 27...Qg5 28.Kf2 (28.Rf2 Qg3 29.Kf1–+) 28...h4 29.Rg1 Qg3 30.Kf1 Ng2 31.Rg2 (31.Qc5 h3 32.Qf2 Qf2 33.Kf2 Na4–+) 31...Qf3 32.Kg1 h3 33.Rh2 Re6 34.Rf2 h2! 35.Kh2 Qf2 36.Kh3 Rh6 0–1. MasterofDisaster – xcv123, Live Game Caissa's Web, 2004.

4.e3 Nf6 5.d4 =+.

4.e4 a6 5.bc6 Nc6 6.ed5 Qd5 7.Nc3 Qd7 8.d3 h6 9.Ba3 Ba3 10.Ra3 Nf6 11.Nf3 0–0 12.Be2 Qf5 13.0–0 Re8 14.Re1 b6 15.Nh4 Qd7 16.g4? (better is 16.Bf3+=) 16...Nd4–+ 17.Bf3 Bb7 (17...Qe7!? 18.Nb1 Nf3 19.Nf3 Bg4–+) 18.Bb7–/+ Qb7 19.Ne4 Ne4 20.de4 Rad8 (20...Rac8!? 21.Rd3 Nc2 22.Re2–+) 21.Rd3–/+ Qc6 22.c3 Ne6 23.Nf3 Qc5 (23...Rd3 24.Qd3 Qc8 25.Qe3–+) 24.Rd8 (24.Rd5 Qc7 25.Ne5 Nf4+=) 24...Nd8 (better is 24...Rd8!? 25.Qc2 Nf4–+) 25.Re3 Ne6 26.Rd3 (26.Qd5 Nf4 27.Qc5 bc5+=) 26...g6 (better is 26...Nf4 27.Re3 Qc8–/+) 27.Kg2? (better is 27.Rd5 Qc3 28.Re5–/+) 27...Nf4–+ 28.Kg3 Nd3 29.Qd3 a5 30.c4 Kg7 31.Qd7 Qe7 32.Qc6 Qc5?? (better is 32...Qd8–+) 33.Qe8+– Qc4 34.Qe5 Kh7 35.Qb5 Qc7 36.e5 g5 37.h4 gh4 38.Kh4 Kg7 39.Nd4 Qe7?? 40.Kg3+– Qd8 41.Nc6 Qc7 42.f3 Kg6 43.Nd4 Kg7 44.Nf5 Kg6 45.Ne3 f6 46.f4 fe5 47.fe5 Kf7 48.Nc4 Ke6 49.Nb6 Qc3 50.Kh4 Qe1 51.Kh5 Qh1 52.Kg6 Qh4 53.Qd5 Ke7 54.Qd6 Ke8 55.Qd7 Kf8 56.Qf7 1–0. delightful_porridge – 488, ChessWorld.net, 2014.

4.e4 de4!? 5.Bb2 Bd6 –/+.

4.Nf3 e4 5.Nd4 =+.

4.Bb2 Bd6

5.e3 (--> 1.b4 e5 2.b5 d5 3.Bb2 Bd6 4.e3 c6 5.a4).

4.e3 cb5

5.Bb5 Bd7

6.Nf3 a6 7.Bd7 Nd7 8.0–0 (8.Bb2 Bd6 9.Nc3 Ngf6 10.0–0 0–0 11.Ba3 Ba3 12.Ra3 Qc7 13.a5; 8.Qe2 Ngf6 9.Bb2 Bd6 10.Nc3 Qc7 11.g3 0–0 12.0–0 Rfe8 13.Qd1; 8.Nc3 Ngf6 9.0–0 Qc7 10.Bb2 Bb4 11.Qb1 0–0 12.Qa2 Qa5 13.Ne2; 8.h3 Ngf6 9.Nc3 Bb4 10.Ba3 Ba3 11.Ra3 0–0 12.0–0 Qc7 13.a5) 8...Ngf6 9.Nc3 Qc7 10.Ba3 Ba3 11.Ra3 0–0 12.Qc1 b6 13.a5.

6.Nf3 Bb5 7.ab5 e4 (7...Nd7 8.0–0 (8.Nc3 Ngf6 9.0–0 Qc7 10.Ba3 Ba3 11.Ra3 0–0 12.Qa1 Nb6 13.Rd1; 8.Qe2 Ngf6 9.Nc3 Bb4 10.Bb2 0–0 11.0–0 Qc7 12.h3 Rfe8 13.Ra4; 8.d3 Ngf6 9.0–0 Qc7 10.h3 Bd6 11.Bb2 0–0 12.Nc3 Rfc8 13.Ra4; 8.h3 Ngf6 9.Nc3 e4 10.Nd4 Bc5 11.Nb3 0–0 12.Nc5 Nc5 13.Ba3) 8...Ngf6 9.Nc3 Qc7 10.Bb2 Bd6 11.Ba3 Ba3 12.Ra3 0–0 13.Qa1; 7...Bd6 8.Nc3 (8.0–0 Nf6 9.Ba3 0–0 10.Nc3 Qe7 11.Bd6 Qd6 12.Ra4 Nbd7 13.Qa1; 8.Qe2 Nf6 9.0–0 Nbd7 10.Nc3 0–0 11.Bb2 Nc5 12.d4 ed4 13.Nd4; 8.Ba3 Nf6 9.Nc3 0–0 10.0–0 Qe7 11.Bd6 Qd6 12.Ra4 Nbd7 13.Qa1; 8.c4 dc4 9.Na3 Ba3 10.Ba3 Nd7 11.Qa4 Nb6 12.Qb4 Nf6 13.Ne5) 8...Nf6 9.0–0 0–0 10.Ba3 Qe7 11.Bd6 Qd6 12.Ra4 Nbd7 13.Qa1; 7...Qc7 8.Nc3 (8.b6 Qb6 9.Nc3 Nf6 10.Rb1 Bb4 11.Na2 Nc6 12.c3 e4 13.Nh4; 8.Bb2 Nd7 9.0–0 Ngf6 10.Nc3 Bd6 11.Ba3 Ba3 12.Ra3 0–0 13.Qa1; 8.c4 e4 9.Nd4 Qc4 10.Na3 Qc7 11.Bb2 Nd7 12.Rc1 Nc5 13.0–0; 8.Ba3 Ba3 9.Ra3 Nd7 10.Nc3 Ngf6 11.Qa1 Nb6 12.0–0 0–0 13.Rd1) 8...Nf6 9.b6 Qb6 10.Rb1 Bb4 11.Ne5 0–0 12.Ng4 Ng4 13.Nd5) 8.Nd4 (8.Ne5 Qg5 9.Qg4 Qg4 10.Ng4 h5 11.Ne5 Rh6 12.Nc3 Bd6 13.f4) 8...Bc5 (8...Nf6 9.Nc3 Nbd7 10.Qe2 Bc5 11.Ba3 a5 12.ba6 Ra6 13.Ncb5) 9.Ba3 (9.Nc3 Nf6 10.Ba3 Nbd7 11.Bc5 Nc5 12.0–0 0–0 13.f4) 9...Ba3 (9...Nd7 10.Bc5 Nc5 11.Qh5 Qd6 12.Nc3 Nf6 13.Qg5) 10.Ra3 Nf6 (10...Nd7 11.Nc3 Ngf6 12.Qa1 0–0 13.Ra7) 11.0–0 (11.Nc3 Qd6 12.Qa1 a6 13.0–0) 11...b6 (11...0–0!?= 12.Nc3 Nbd7 13.Qa1; 11...Qd6 12.f3 0–0 13.Nf5) 12.Nc3+/– Nbd7 (12...0–0 13.Qa1) 13.f3 (13.Qa1+–) 13...ef3 (13...Nc5 14.Nf5 g6 15.Nh6+/–) 14.Nc6 Qc7 15.Qf3 0–0 (15...Qd6!? 16.Ra7 Ra7 17.Na7 0–0+–) 16.Nd5+– Qd6 17.Rd3 Nd5 18.Rd5 Qe6 19.Nd4 Qe7?? (better is 19...Qe8+–) 20.Nf5 Qf6 21.Rd7 g6 (21...Kh8+–) 22.Nh6 Kg7 23.Qf6 Kh6 24.Rf4 Kh5 25.Rh4 1–0. jasio – dzikowski, internet, 2011.

6.Nf3 Nc6 7.Ba3 A) 7...Nge7 8.0–0 (8.Nc3 e4 9.Ng1 a6 10.Bc6 bc6 11.Nge2 g6 12.0–0 Bg7 13.Nd4) 8...e4 9.Ne1 Nf5 10.Bf8 Kf8 11.Nc3 a6 12.Be2 Qa5 13.Qb1; B) 7...e4 8.Bc6 (8.Bf8 Kf8 9.Nd4 Nd4 10.ed4 Nf6 11.Nc3 g6 12.0–0 Kg7 13.Qb1; 8.Nd4 Ba3 9.Ra3 Nd4 10.ed4 Ne7 11.Qg4 Bb5 12.ab5 0–0 13.0–0) 8...bc6 9.Bf8 Kf8 10.Ne5 Be8 11.f4 f6 12.0–0 Nh6 13.c4; C) 7...Ba3 8.Na3 (8.Ra3 Qe7 9.0–0 e4 10.Nd4 Nf6 11.Rb3 Nd4 12.ed4 0–0 13.Nc3; 8.Bc6 bc6 9.Ra3 e4 10.Nd4 c5 11.Ne2 Nf6 12.Nbc3 0–0 13.0–0) 8...Nge7 9.0–0 0–0 10.Qe2 e4 11.Nd4 Nd4 12.ed4 Be6 13.Qe1.

6.Nf3 Nc6 7.Bb2 A) 7...Bd6 8.Bc6 Bc6 9.Be5 Nf6 10.Bd6 Qd6 11.Nc3 0–0 12.0–0 Ne4 13.Ne4; B) 7...f6 8.Nc3 (8.0–0 Bd6 9.c4 a6 10.cd5 ab5 11.dc6 Bc6 12.ab5 Ra1 13.Ba1; 8.Nh4 Nh6 9.Nc3 a6 10.Be2 Be6 11.0–0 Be7 12.Ba3 Ba3 13.Ra3; 8.d4 e4 9.Nfd2 a6 10.Be2 Qb6 11.Qc1 Nb4 12.c4 Nd3 13.Bd3; 8.c4 a6 9.cd5 ab5 10.dc6 bc6 11.0–0 b4 12.d4 ed4 13.Qd4) 8...Nge7 9.0–0 a6 10.Be2 Qa5 11.d4 e4 12.Nd2 Qb4 13.Rb1; C) 7...Nh6 8.Ne5 Ne5 9.Be5 Bb5 10.ab5 Qg5 11.Bg3 Be7 12.Nc3 Bf6 13.0–0; D) 7...e4 8.Ne5 Nf6 9.Nd7 Qd7 10.Bf6 gf6 11.0–0 Bb4 12.Nc3 Rg8 13.Rb1.

6.Nf3 Nc6 7.Bc6 A) 7...bc6 8.Ne5 (8.0–0 e4 9.Ne5 Nf6 10.f4 ef3 11.Qf3 Bd6 12.Nd7 Qd7 13.Ba3) 8...Qg5 9.Nf3 Qg2 10.Rg1 Qh3 11.Ba3 Ba3 12.Ra3 Nf6 13.Nc3; B) 7...Bc6 8.Ne5 (8.Nc3 Bd6 9.Nb5 Ne7 10.Nd6 Qd6 11.Ba3 Qc7 12.0–0 0–0 13.Nh4; 8.0–0 Bd6 9.Ba3 Ne7 10.d4 e4 11.Ne5 0–0 12.Nd2 Be8 13.f4; 8.Bb2 f6 9.Nc3 Bb4 10.0–0 Ne7 11.Ba3 Bc3 12.dc3 0–0 13.Nh4; 8.d4 e4 9.Ne5 Bd6 10.0–0 Qc7 11.Nc6 bc6 12.Ba3 Bh2 13.Kh1 Bd6) 8...Qg5 9.Nf3 Qg2 10.Rg1 Qh3 11.Bb2 Nf6 12.Nc3 a6 13.a5.

6.Nf3 e4 7.Nd4 A) 7...Nf6 8.Ba3 (8.Bd7 Qd7 9.Bb2 Be7 10.Nc3 0–0 11.0–0 Nc6 12.Nce2 Rac8 13.h3; 8.Nc3 Nc6 9.0–0 Nd4 10.ed4 Bb5 11.ab5 Qb6 12.Bb2 Bd6 13.d3; 8.0–0 Nc6 9.Nc3 Nd4 10.ed4 Bb5 11.Nb5 Qb6 12.Rb1 a6 13.Nc3; 8.Bb2 Nc6 9.Nc3 Qc7 10.Ba3 Ba3 11.Bc6 bc6 12.Ra3 c5 13.Ndb5) 8...Ba3 9.Ra3 Nc6 10.Nc3 Nd4 11.ed4 0–0 12.0–0 Bf5 13.Be2; B) 7...a6 8.Bd7 (8.Be2 Nf6 9.Nc3 Nc6 10.Nc6 Bc6 11.0–0 Bd6 12.a5 0–0 13.Ba3) 8...Qd7 9.0–0 Nf6 10.Bb2 Be7 11.f3 0–0 12.fe4 Ne4 13.Nf5; C) 7...Nc6 8.Nc3 (8.0–0 Nd4 9.ed4 Bb5 10.ab5 Nf6 11.d3 Bb4 12.de4 de4 13.Ra4; 8.Qe2 a6 9.Bc6 bc6 10.Nc3 c5 11.Nb3 Nf6 12.f3 Bd6 13.fe4; 8.Bb2 Nf6 9.0–0 Bd6 10.Ba3 Nd4 11.ed4 Ba3 12.Ra3 Bb5 13.ab5; 8.Bc6 bc6 9.Nc3 Nf6 10.0–0 c5 11.Nde2 Bd6 12.d3 Bh2 13.Kh2) 8...Nd4 9.ed4 Nf6 10.0–0 Bb5 11.ab5 Qb6 12.Bb2 Bd6 13.d3.

6.Nf3 e4 7.Bd7 Qd7 (7...Nd7 8.Nd4 Ngf6 9.Nc3 Bc5 10.Ba3 0–0 11.0–0 Ba3 12.Ra3 Ne5 13.Rb3) 8.Ne5 (8.Nd4 Nf6 9.Bb2 Be7 10.Nc3 Nc6 11.Nce2 0–0 12.0–0 Rfe8 13.h3) 8...Qf5 9.f4 Nc6 10.Bb2 Nf6 11.0–0 h6 12.c4 dc4 13.Nc6.

6.Nf3 e4 7.Ne5 A) 7...Bd6 8.Bb2 (8.Nd7 Nd7 9.Nc3 Ngf6 10.f4 0–0 11.Be2 Bc5 12.0–0 Qa5 13.Nb5) 8...Nf6 9.Ng4 a6 10.Nf6 gf6 11.Bd7 Nd7 12.Nc3 Qb6 13.Rb1; B) 7...Nf6 8.Bb2 (8.Nd7 Nbd7 9.Bb2 Bb4 10.Nc3 0–0 11.0–0 a6 12.Bd7 Qd7 13.Ne2; 8.Nc3 Bd6 9.f4 a6 10.Nd7 Nbd7 11.Be2 Bc5 12.0–0 d4 13.ed4; 8.0–0 Bd6 9.Nd7 Nbd7 10.f4 ef3 11.Qf3 0–0 12.Nc3 Ne5 13.Qf5; 8.f4 a6 9.Be2 Nc6 10.0–0 Bc5 11.Ba3 Ba3 12.Ra3 0–0 13.Qc1) 8...a6 9.Nd7 Nbd7 10.Bf6 gf6 11.Be2 Rg8 12.0–0 Nc5 13.a5; C) 7...Nc6 8.Bb2 (8.Nd7 Qd7 9.Bb2 Nf6 10.Bf6 gf6 11.Nc3 Rg8 12.0–0 Bb4 13.Bc6; 8.Qh5 Qf6 9.Bc6 bc6 10.Bb2 Nh6 11.0–0 Qf5 12.Qe2 Rb8 13.Nd7; 8.Bc6 bc6 9.Nd7 Qd7 10.Bb2 Qf5 11.0–0 Rb8 12.Bd4 Nf6 13.f3; 8.f4 ef3 9.Bc6 bc6 10.Qf3 Nf6 11.Nc3 Bd6 12.Nd7 Qd7 13.Ba3) 8...Nf6 9.Nd7 Qd7 10.Bf6 gf6 11.Nc3 Rg8 12.0–0 Bb4 13.Bc6; D) 7...Qc7 8.Nd7 (8.Bb2 Bb5 9.ab5 Nf6 10.Bd4 Bc5 11.Bc5 Qc5 12.Nc3 0–0 13.0–0; 8.f4 Bb5 9.ab5 Nf6 10.0–0 Bc5 11.d4 ed3 12.cd3 d4 13.Ra4) 8...Nd7 9.Bb2 a6 10.Bd7 Qd7 11.0–0 Nf6 12.Bf6 gf6 13.Qh5; E) 7...Bb5 8.ab5 Qg5 9.Qg4 Qg4 10.Ng4 h5 11.Ne5 Rh6 12.Nc3 Bd6 13.f4.

6.Nc3 Bb5

7.ab5 a6 8.Nf3 (8.Qh5 Nd7 9.Nd5 Qc8 10.Bb2 Qc4 11.Nc3 Ngf6 12.Qf3 e4 13.Qf5+/–) 8...Ne7? (better is 8...e4!? 9.Nd4 Nf6+/– 10.0–0 Qc7 11.f4 Bb4 12.Ba3 Bc3 13.dc3+=; 8...Bd6 9.Nd5 Nf6 10.Nf6 Qf6 11.0–0 0–0 12.d3 Nd7 13.ba6+/–; 8...Bb4 9.Ne5 (9.0–0 f6 10.Ba3 Ba3 11.Ra3 Ne7 12.Qb1 0–0 13.Qb3+/–) 9...Bc3 10.dc3 Ne7 11.c4 Qc7 12.Qd4 f6 13.Nd3+–; 8...Nd7 9.Nd5 (9.ba6 Ngf6 10.a7 Qb6 11.0–0 Ra7 12.Ra7 Qa7 13.Bb2+=) 9...Ngf6 10.Nf6 Qf6 11.ba6 Ra6 12.Bb2 Bd6 13.0–0+/–) 9.Ne5+– f6 (9...Nd7 10.Nd3+–) 10.Nd3 Nf5 (10...Nd7+–) 11.Qf3 g6 (11...Ne7 12.0–0+–) 12.Nd5 Nd7 13.Bb2 Ne5 (13...Bg7 14.N3f4 Kf7+–) 14.Nf6! (14.Nf6 Qf6 15.Be5+–) 1–0. oliver – game5, internet, 2011.

7.ab5 Nf6!?= 8.Bb2 Nbd7 9.Qf3 (9.Nh3 Bb4 10.0–0 0–0 11.f4 e4 12.Qe2 Nb6 13.Na2+=; 9.Nge2 Bd6 10.0–0 Nb6 11.Na4 Nc4 12.Bc3 0–0 13.f4=) 9...Nb6 10.Nge2 Bd6 11.d3 0–0 12.0–0 Qc7 13.Ng3 =.

7.ab5 Nf6!?= 8.Nge2 A) 8...Bd6 9.0–0 (9.Ba3 d4 10.Na4 0–0 11.0–0 Re8 12.Bb2 a6 13.ed4=) 9...0–0 10.f4 e4 11.Qe1 Qc7 12.Qg3 Nbd7 13.Nd4+=; B) 8...d4 9.Na4 Bd6 10.0–0 0–0 11.Bb2 Qc7 12.ed4 Nbd7 13.de5+=; C) 8...Bc5 9.d4 (9.0–0 0–0 10.Ba3 Ba3 11.Ra3 d4 12.ed4 ed4 13.Na4=; 9.f4 e4 10.0–0 0–0 11.Ba3 Nbd7 12.Bc5 Nc5 13.Qe1=) 9...ed4 10.ed4 Be7 11.0–0 Nbd7 12.Ng3 0–0 13.Qf3+=; D) 8...Be7 9.Ba3 (9.f4 ef4 10.0–0 fe3 11.de3 0–0 12.Nf4 Nbd7 13.Nfd5=; 9.0–0 0–0 10.Bb2 Re8 11.Ng3 Nbd7 12.Nf5 Nb6 13.f4=) 9...Ba3 10.Ra3 0–0 11.0–0 d4 12.ed4 ed4 13.Na4=.

7.ab5 Nf6!?= 8.Qf3 Bb4 9.Nge2 (9.Bb2 0–0 10.Nge2 Qd6 11.0–0 Nbd7 12.Qg3 Bc3 13.Nc3=) 9...0–0 10.0–0 Qd6 11.Bb2 Nbd7 12.Qg3 Bc3 13.Nc3 =.

7.Nb5 a6 8.Nc3 Nc6 9.Qf3 Nf6 10.Bb2 e4 11.Qg3 Qb8 12.Nge2 Qg3 13.fg3 0–0–0 14.0–0 Rd7 15.Ba3 (15.Nd1!?+=) 15...Ba3 16.Ra3 Ne5 17.d4 Nc4 18.Raa1? (better is 18.Rb3–+) 18...Ne3 19.Rfc1 Rhd8 20.Nf4 Nc4 21.Ra2 Rc7 22.Nce2 g5 23.Nh3 h6 24.c3 Ng4 25.Nf2 Nf2 26.Kf2 Rd6 27.g4 Rf6 28.Kg1 Rcc6 29.Rf1 Rf1 30.Kf1 Rb6 31.Kf2 Rb2 32.Rb2 Nb2 33.a5 (33.c4–+) 33...Nc4 34.Ng3 Nd6 35.Ke3 Kc7 36.Nh5 b6 (36...Nc4 37.Kf2–+) 37.ab6 Kb6 38.Nf6 Kc6 39.g3 (39.Ng8 Kb5 40.Nh6–+) 39...Nc4 40.Ke2 a5 41.Kd1 a4 42.Nh5 (42.Ne4 de4 43.Kc2 a3–+) 42...Kd6 (better is 42...a3 43.Ke2 a2 44.Nf6–+) 43.Kc2 Ke7 44.Ng7 Ne3 45.Kb2 Nf1 46.h4 Ng3 47.hg5 hg5 48.Nh5 Nf1 49.Ka3 Ne3 50.Ka4 Ng4 51.Kb3 f5 52.Kc2 Nf6 53.Ng3 Ke6 54.Kd2 f4 55.Ne2 Kf5 56.Ng1 g4 57.Ke2 g3 58.Nh3 Kg4 59.Ng1 f3 60.Kf1 e3 Black prepares f2 61.Ke1 f2 62.Kf1 fg1Q 63.Kg1 Kf3 64.Kh1 e2 0–1. chooch555 – kim22, Live Game Caissa's Web, 2004. (=1.a4 d5 2.b4 e5 3.b5 c6)

6.Nf3 Bd6

7.0–0 A) 7...Nf6 8.Ba3 (8.Nc3 0–0 9.Ba3 Ba3 10.Ra3 a6 11.Bd7 Nbd7 12.a5 h6 13.Qb1; 8.Bb2 a6 9.Bd7 Nbd7 10.Nc3 0–0 11.Qe2 Re8 12.Qd1 Qa5 13.Ne2; 8.Bd7 Qd7 9.Nc3 Nc6 10.Nb5 Be7 11.d4 a6 12.Nc3 e4 13.Ne5; 8.Qe2 e4 9.Nd4 0–0 10.Bd7 Qd7 11.Ba3 Nc6 12.Bd6 Nd4 13.ed4) 8...Qc7 9.Bd6 Qd6 10.Nc3 0–0 11.Rb1 Nc6 12.Bc6 bc6 13.d4; B) 7...e4 8.Nd4 (8.Bd7 Qd7 9.Nd4 Nc6 10.Nc6 bc6 11.Bb2 f5 12.h3 Rb8 13.Bd4) 8...Nc6 9.Bc6 bc6 10.Ba3 c5 11.Nb5 Be7 12.d4 ed3 13.Qd3; C) 7...Bb5 8.ab5 Nf6 9.Nc3 0–0 10.Ba3 Qe7 11.Bd6 Qd6 12.Ra4 a5 13.ba6; D) 7...Ne7 8.Ba3 (8.Nc3 0–0 9.Ba3 Bf5 10.Nh4 Be6 11.Qh5 g6 12.Qh6 Nbc6 13.f4; 8.e4 a6 9.Be2 0–0 10.Nc3 d4 11.Nd5 Nbc6 12.c3 f5 13.Qb3; 8.c4 a6 9.Ba3 Ba3 10.Bd7 Nd7 11.Na3 e4 12.Nd4 0–0 13.cd5; 8.Bd7 Qd7 9.Ba3 Nbc6 10.Bd6 Qd6 11.Nc3 0–0 12.Rb1 b6 13.h3) 8...Ba3 9.Na3 Nbc6 10.c4 e4 11.Ng5 h6 12.cd5 hg5 13.dc6; E) 7...a6 8.Bd7 (8.Ba3 Ba3 9.Bd7 Nd7 10.Ra3 Ngf6 11.Nc3 0–0 12.a5 Rc8 13.h3; 8.Be2 Nf6 9.d4 e4 10.Ne5 Qc7 11.Ba3 Be5 12.de5 Qe5 13.Nd2) 8...Nd7 9.Nc3 Ngf6 10.Ba3 Ba3 11.Ra3 0–0 12.a5 Rc8 13.h3.

7.Ba3 A) 7...Ba3 8.Na3 (8.Ra3 a6 9.Bd7 Nd7 10.0–0 Ngf6 11.Nc3 0–0 12.a5 Rc8 13.h3) 8...a6 9.Bd7 Nd7 10.Qb1 Qc7 11.Qb4 Ngf6 12.0–0 e4 13.Nd4; B) 7...Qe7 8.c4 e4 9.Nd4 Nc6 10.cd5 Nd4 11.ed4 Ba3 12.Na3 Nf6 13.Qb3; C) 7...Qc7 8.c4 e4 9.Nd4 Nc6 10.Nc3 Ba3 11.Ra3 Nd4 12.ed4 Nf6 13.cd5; D) 7...Bb5 8.ab5 (8.Bd6 Qd6 9.ab5 Nf6 10.Nc3 Nbd7 11.Qc1 d4 12.ed4 ed4 13.Ne2) 8...Nf6 9.Nc3 0–0 10.0–0 a5 11.ba6 Ra6 12.Bd6 Qd6 13.Qe2.

7.Bb2 A) 7...Bb5 8.ab5 Nd7 9.0–0 Ngf6 10.Nc3 0–0 11.Qe2 Re8 12.e4 d4 13.Na4; B) 7...Qe7 8.c4 (8.g4 Nf6 9.g5 Ne4 10.d3 Ng5 11.Ng5 Qg5 12.Qf3 Nc6 13.Qd5; 8.Nc3 Nf6 9.Bd7 Nbd7 10.Nb5 0–0 11.Nd6 Qd6 12.Ba3 Nc5 13.Ne5; 8.0–0 Nf6 9.c4 e4 10.Nd4 0–0 11.cd5 Nd5 12.Nc3 Nc3 13.Bc3; 8.Qe2 Nf6 9.Nc3 e4 10.Bd7 Qd7 11.Nd4 Be5 12.0–0 0–0 13.Qb5) 8...Nf6 9.Nc3 dc4 10.Bc4 0–0 11.Nb5 e4 12.Nd6 Qd6 13.Ba3; C) 7...Qc7 8.Nc3 (8.Bd7 Nd7 9.Nc3 Ne7 10.Nb5 Qc6 11.Nd6 Qd6 12.0–0 Nc6 13.Ba3; 8.c4 Bb5 9.ab5 dc4 10.Be5 Be5 11.b6 Qb6 12.Ne5 Qe6 13.Qa4) 8...Ne7 9.Bd7 Qd7 10.e4 d4 11.Nb5 Nbc6 12.0–0 0–0 13.c3; D) 7...a6 8.Ne5 (8.Bd7 Nd7 9.Nc3 Ngf6 10.0–0 0–0 11.Ba3 Ba3 12.Ra3 Qa5 13.Qc1; 8.Be2 Nc6 9.c4 Nf6 10.Nc3 dc4 11.Bc4 0–0 12.Ng5 Na5 13.Bd3; 8.Ba3 Ba3 9.Bd7 Nd7 10.Ra3 Ngf6 11.Nc3 Qe7 12.Qc1 0–0 13.0–0) 8...ab5 9.Nd7 Nd7 10.Bg7 Be5 11.Bh8 Bh8 12.Nc3 Qa5 13.Rb1.

7.Nc3 A) 7...Nc6 8.Nd5 (8.Ba3 Ba3 9.Ra3 Nf6 10.Rb3 Qc7 11.0–0 0–0 12.Bc6 Bc6 13.h3; 8.0–0 Nf6 9.Ba3 Ba3 10.Ra3 0–0 11.Rb3 Qc7 12.Bc6 Bc6 13.h3; 8.Bc6 Bc6 9.Nb5 Ne7 10.Nd6 Qd6 11.Ba3 Qc7 12.0–0 0–0 13.d4) 8...e4 9.Bb2 ef3 10.Qf3 Kf8 11.0–0 Qg5 12.e4 Nge7 13.Ne7; B) 7...Nf6 8.Ba3 (8.0–0 0–0 9.Ba3 Ba3 10.Ra3 Qc7 11.h3 Nc6 12.Bc6 bc6 13.d4; 8.h3 e4 9.Nd4 Nc6 10.Ba3 Nd4 11.ed4 Ba3 12.Ra3 Bb5 13.ab5; 8.Bd7 Nbd7 9.0–0 0–0 10.Bb2 Qe7 11.Nb5 Rfe8 12.Qe2 h6 13.h3; 8.Qe2 e4 9.Nd4 Nc6 10.Ba3 Ba3 11.Ra3 0–0 12.Bc6 bc6 13.Qa6) 8...Ba3 9.Ra3 0–0 10.0–0 Qc7 11.Qe2 a6 12.Bd7 Nbd7 13.a5.

7.c4 A) 7...Nf6 8.cd5 (8.Nc3 Bb5 9.ab5 dc4 10.Qe2 Nbd7 11.Qc4 0–0 12.0–0 Qe7 13.d3) 8...Nd5 9.Qb3 Nc7 10.Nc3 Nb5 11.Nb5 Bb5 12.ab5 e4 13.Nd4; B) 7...e4 8.Nd4 Nc6 9.cd5 Nd4 10.ed4 Nf6 11.Nc3 0–0 12.0–0 Re8 13.Qb3.

3.a4 Nf6

4.Bb2 Bc5 5.e3 d6 6.Nf3 =+.

4.Bb2 Bc5 5.e3 e4 6.c4 (6.d3 Qa5 7.Qd2 Bb4=) 6...d5+= 7.Qb3 (7.cd5 cd5 (worse is 7...Qd5 8.Bf6 gf6 9.Nc3=) 8.d3 Nbd7+=) 7...d4 8.ed4 Bd4 9.Bd4 Qd4 10.Ra3 (10.Qc3 c5+=) 10...Bg4 (10...Ng4 11.Nh3–/+) 11.Be2 (11.f3 Bf5+=) 11...Nbd7 12.Qc3 Qc3 13.Rc3 Be2 14.Ne2 Nc5 15.0–0 (15.Rg3!?–/+) 15...Na4–+ 16.Rg3 0–0 (16...Rg8 17.bc6 bc6 18.d4–+) 17.d3 (17.bc6 bc6 18.Nd4 c5–+) 17...ed3 (17...cb5 18.cb5 a6 19.ba6 ba6 20.Rd1–+) 18.Rd3–/+ Nc5 19.Rd6 (19.Rd4 cb5 20.cb5 Ne6–/+) 19...Nfe4 20.Rd4 (20.Rdd1 cb5 21.cb5 a6–+) 20...Rfd8 (20...cb5 21.f3 Nf6 22.cb5–/+) 21.Rfd1 (21.f3 Rd4 22.Nd4 Rd8–/+) 21...Rd4 22.Rd4 (22.Nd4 cb5 23.cb5 a5–/+) 22...cb5 (22...a6 23.Nbc3 ab5 24.cb5 Ra1 25.Nd1–+) 23.cb5 (23.f3 Nf6 24.cb5 a5–/+) 23...Nf6 (23...a6 24.Nbc3 ab5 25.Kf1–+) 24.Nbc3 h6 (24...a5 25.ba6 ba6 26.Kf1–/+) 25.Nd5 (25.Rc4 Rc8–/+) 25...Nd5 26.Rd5 Nb3 (26...Re8 27.Kf1 Rc8 28.Nd4–/+) 27.Rd7+= a6 28.Rb7 (28.b6 Nc5 29.Re7 Kf8–/+) 28...ab5 The mate threat is Ra1 29.g3 Ra5 30.Nc3 (30.h3 Nc5 31.Rc7 Ra1 32.Kg2 Ne6–/+) 30...Nd4 31.f4 g5 32.f5 (32.fg5 hg5 33.Ne4 Ra2–/+) 32...Nf5 33.Rb5 Rb5 34.Nb5 h5 35.Kf2 g4 36.Nc3 Kg7 37.Ne4 h4 38.gh4 Nh4 39.Kg3+= ˝–˝. Wittner,Eduard – Hiller,Kai, Baden–ch AT4, 1994.

4.Bb2 Bc5 5.Be5 Bf2 6.Kf2 Ng4 7.Ke1 Ne5 8.Nc3 =+.

4.Bb2 d6 5.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5 c6 5.a4).

4.Bb2 Bd6 5.e3 cb5 6.ab5= Qb6 7.c4 a6 8.Nf3 e4 9.Ng5 h6 10.Bf6 gf6 11.Ne4+– Be5 12.d4 f5 13.c5 Qg6 14.Nec3 Bf6 15.Qf3 0–0 16.Bd3 d6 17.cd6 Bd7 18.Qb7 Bb5 19.Bb5 ab5 20.Ra8 Nd7 21.Rf8 Kf8 22.0–0 Ke8 23.Nb5 h5 24.Qc8 Bd8 25.Nc7 Kf8 26.Qd8 Kg7 27.Qd7 h4 28.Ne6! Kh6 29.Nf4 Qf6 30.Qc7 Qg7 31.d7 Kg5 32.d8Q (32...Qf6 33.Qf7 Qd8 34.Qg7#) 1–0. Sommer,Roman – Ohler,Frank, Hassloch op–B, 1999.

4.Bb2 e4 5.c4 =+.

4.e3 d5 5.Ba3 +=.

4.e3 d5 5.Nf3 Bg4 =+.

4.e3 d5 5.h3 d4 (5...Bd6 6.Nf3–/+) 6.Qf3 (6.Bb2 Bc5=+) 6...de3 (6...e4 7.Qe2–/+) 7.Qe3 Bd6 8.Bc4 0–0 9.Bb2 (9.Nc3 Re8=+) 9...Re8 10.Bc3 (10.Ne2 Bf5 11.Qb3 Be6=+) 10...b6 (10...Bf5 11.d3–/+) 11.Nf3 Bc5 (11...e4 12.Ng5 Nd5 13.Bd5 cd5 14.a5=+) 12.Qe2= e4 (12...Bd4=) 13.Nh2 (13.Ng5 Nd5 14.Qh5 (14.Ne4 Bf5 15.d3 Nc3 16.Nbc3 Bb4–+) 14...Nc3 15.Bf7 Kf8 16.Be8 (16.dc3?! e3 17.f4 h6 18.Nh7 Ke7+–) 16...Qe8 17.Nh7 Ke7 18.Qg5 Kf7 19.Nc3+–) 13...Be6 (13...Nd5 14.0–0=+) 14.Be6=+ Re6 (< 14...fe6 15.Ng4+=) 15.Qg4?? (better is 15.0–0=+) 15...Ng4–+ (16.Ng4 a6–+) 0–1. riverborne – circonio, Live Game Caissa's Web, 2005.

4.e3 g6 5.c3 Bg7 6.Na3 (6.d4 e4=) 6...0–0 7.Bb2 b6 8.Nf3 Re8 9.Be2 Bb7 10.0–0 d5 11.d3 c5 12.h3 Nbd7 13.Nh2 e4 14.d4 c4 15.Nc2 Bf8 (15...Qc7 16.Ba3+=) 16.f4 (16.Ba3 Ba3 17.Ra3 a6=) 16...Bd6 (16...ef3 17.Bf3 a6 18.Ng4+=) 17.Bg4 (17.Ba3 Ba3 18.Ra3 a6=) 17...Ng4 18.Ng4 Nf6 19.Ne5 Be5 (19...Nh5 20.Kh2=) 20.de5 Nh5 21.Qe1 Ng7 22.Nd4 Ne6 23.f5 Nd4 24.ed4 Qg5 (24...a6!?=) 25.Bc1+= Qh5 26.Qg3 Bc8 27.f6 (27.e6 f6+=) 27...Be6 28.Rf4 (28.Be3 a6=) 28...g5 (28...a6!? 29.Ba3 g5=) 29.Rf1= Kh8 (29...h6 30.Ba3=) 30.h4 (30.Qg5!? Qg5 31.Bg5+/–) 30...Qh4= 31.Qh4 gh4+= 32.Bg5 Rg8 33.Bh4+= Rg4 34.Be1 h5 35.Ra2 h4 36.Kh2 Rag8 37.Rh1 Bf5 38.Kg1+/– R8g6 39.Rh4 Rh4 40.Bh4 Rg4 41.Be1 e3 42.Kh2 Bd3 43.a5+/– Rf4 44.ab6 ab6 45.Ra6 e2 46.Rb6 Rf1 47.Bg3 Rb1?? 48.Rb8 Kh7 49.b6 Rb3?? 50.b7 Bf5 51.Bf2 Be6 52.g3?? Rb2? 53.Be1+– Rb1 54.Bf2 Rf1?? 55.Be1 Re1= 56.Rh8 Kh8 57.b8Q Kh7 58.Qb2?? Rh1!–+ 59.Kh1 e1Q 60.Kg2 Qe4 61.Kh2 Qg4 62.Qc2 Kh6 63.Qd2 Kg6–+ 64.Qc2? Qf5 65.Qf5?? Kf5 66.Kg2 Ke4 67.Kf2 Kd3 68.Kf3 Kc3 69.Kf4 Kd4 0–1. caliu – lout62001 (1620), gameknot.com, 2013.

3.Bb2= Qc7

4.a4 Ne7 5.c4 g6 6.e4 Bg7 7.Nf3 0–0 8.Be2 a6 9.Nc3 Rd8 10.Qb3 ab5= 11.ab5 Ra1 12.Ba1 d5 13.b6 Qd7 14.0–0 d4 15.Na4 Na6 16.d3 Qd6 17.Bb2 Nc5?? 18.Nc5+– Qc5 19.Ba3 Qa5 20.Be7 Re8 21.Bd6 Be6 22.Qb2 Qa8 23.Be5 Be5 24.Ne5 Qd8 25.Nf3 c5 26.Nd2 f5 27.Bf3 Qd7 28.Ra1 Qd6 29.Ra5 Qe5 30.g3 h5 31.Qa3 Rc8 32.Ra8 Kg7 33.Rc8 Bc8 34.Nb3 Bd7 35.Qc5 Qc5 36.Nc5 Bc6 37.Ne6 Kf6 38.Nd4 fe4 39.Nc6 ef3 40.Nd8 (40...g5 41.c5+–; 40.Na5 Ke7+–) 1–0. Schwichtenberg,Juergen – Tiede,Gustav, Hessen–ch Seniors, 2001.

4.e4 cb5 5.Nf3 Nc6 6.Bb5+= d6 7.d4 ed4+= 8.Nd4 Bd7 9.0–0 0–0–0 10.Nc3 Nd4 11.Bd7+– Qd7 12.Qd4 Kb8 13.Rab1 a6? 14.Ba1 Nf6 15.Rb6 d5? 16.Rfb1 (16...Rc8 17.Nd5+–) 1–0. wesolyPolak (1790) – ridha (1620), GameColony.com, 2002.

4.e4 d5 5.Nf3 Bd6 6.ed5 cd5 7.Ne5 Ne7 +=.

4.e4 d5 5.Nf3 de4 6.Ng5 = (6.Be5? Qe7 7.Bd3 ef3–+).

4.Nf3 d6 =.

4.Nf3 e4 5.Nd4 Nf6 =.

4.Nf3 f6 5.bc6 dc6 6.e4 Bg4 =.

4.Nf3 f6 5.e4 Bc5 6.Bc4 Qb6 7.d4 ed4 8.Bd4 cb5 9.Bg8 Rg8 10.c3 Nc6 11.Bc5 Qc5 12.0–0 Kf7 13.Qb3 Qc4 14.Nbd2 Qb3=+ 15.ab3 d6 16.c4 b4 17.Rfc1 a5 18.c5 dc5 19.Rc5 Be6 20.Nc4 Bc4 21.Rc4 Rgd8 22.e5 Rd3 23.ef6 Rad8 24.fg7?? Rd1 25.Ne1 Ra1 26.Re4 Rdd1 27.Kf1 Kg7 28.f4 Kf6 29.Kf2 Re1 30.Re1 Re1 31.Ke1 Nd4 32.g4 Nb3 33.h4 a4 34.Kd1 Nd4 (35.Kd2 a3–+) 0–1. Hirt,Robert – Wartig,Wolfgang, corr DDR, 1987.

4.Nf3 f6 5.e4 d5 6.ed5 cd5 7.d4 e4 8.Nfd2 Bd6 9.Qh5+= Qf7 10.Qf7 Kf7 11.c4 Be6 12.cd5+/– Bd5 13.Nc3+– Ne7 14.Nd5 Nd5 15.Bc4 Ke6 16.Ne4 Bb4 17.Kf1 Nd7+/– 18.Bb3 N7b6 19.Nc5 Bc5? 20.dc5 Nd7 21.Rd1 (21...Nc5 22.Bd5 (22.Rd5?! Nb3 23.Rd3 Na5=) 22...Kf5 23.Ba3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

3.Bb2 d6

(--> 1.b4 e5 2.Bb2 d6 3.b5 c6).

4.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 c6 4.b5).

4.e3 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5 c6).

3.Bb2= Bd6

4.Nf3+= cb5 5.Ne5 Be5 6.Be5 Nf6 7.Nc3 Qa5 8.e3 a6 9.Bf6 gf6 10.Qg4 Nc6 11.Qg7 Rf8 12.Nd5 b4 13.Nf6 Ke7 14.Nh7 Qe5 15.Qf8 Ke6 16.f4 Qc5?? 17.Ng5 (17...Qg5 18.fg5+–; Better is 17.Qc5 d6 18.Bc4 Ke7 19.Qg5 Kd7 20.Nf6 Kc7 21.Bf7 Kb6+–) 1–0. Taulien,Hans_Juergen – Boese,Fee, remoteschach.de, 2002.

4.Nf3+= f6 5.e4 a6 6.a4 a5 7.d4+/– Bc7 8.de5 fe5 9.Ne5 Nf6 10.Ng4 d6? 11.Nf6+– gf6 12.Qh5 Ke7 13.Bc4 Be6 14.Bf6! Kf6 15.Qh6 Kf7 16.Qe6 (16...Kg7 17.Qf7 Kh6 18.Ra3+–) 1–0. Taulien,Hans_Juergen – Ritschel,Stephan, remoteschach.de, 2002.

3.c4 cb5=+

4.cb5 a6 5.Bb2 d6 =.

4.cb5 a6 5.d4 Qa5 6.Bd2+= Qb5 7.Nc3 Qc4 8.de5 Qd4? 9.Nf3+– Qc5 10.e4 Nc6 11.Nd5 Kd8 12.Rc1 Qa7 13.Be3 Qb8 14.Bb6 Ke8 15.Nc7 Ke7 16.Qd6 Kd8 17.Qf8# 1–0. Pierred (2170) – Fekka, Rated game, 2005.

4.cb5 a6 5.e3 ab5 6.Bb5 Nc6 7.Nc3 Nf6 8.Nge2 Ba3 9.0–0 Bc1 10.Qc1 0–0 11.a4 Na5 12.Rb1 d5 13.d4 e4 14.Qa3 Bd7= 15.Qb4 Bb5 16.Nb5 Nc4 17.Rfc1 Ra5 18.Nbc3 Nd6 19.Rc2 Qc7 20.Qb6 Rc8 21.Qc7 Rc7 22.Rcb2 h6 23.h3 g5 24.Rb4 Nfe8 25.g3 f5=+ ˝–˝. Hoelldorfer,August – von Godin,Hans, 6sen.BayEM Schney, 1994.

4.cb5 b6 5.Bb2= Qf6 6.f4 Bc5 7.Be5+/– Qg6 8.e3 d6? 9.Bb2 Bb7 10.Qb3?? Bg2–+ 11.Nh3 Bh1 12.d4 Bd4 13.Bd4 Nf6 14.Nc3 0–0 15.Qd1 Nbd7 16.Ng5 h6 17.Bd3–/+ Qh5 18.Qh5 Nh5 19.Nh3 Nc5 20.Bc5 dc5 21.Kd2 Bg2 22.Nf2 Rad8 23.Rg1 Bf3 24.Rg3 Bb7 25.Rg4 c4 26.e4 cd3 27.a4 f5 28.ef5 Bf3 29.Rg6 Rf5 30.Ke3 Rf4 31.Nh3 Re8 32.Kf2 Rf7 33.Rd6 Bg4 34.Kg2–+ Bh3 35.Kh3 Nf4 36.Kg4 h5 37.Kg3 Re3 38.Kh4 Rh3 39.Kg5 Kh7 40.Ne4 Rh2 41.Ng3 Rg2 (42.Rd3 Ne6 43.Kh5 Rh2 44.Kg4 Rf4#) 0–1. riverborne – icewater, Caissa.com, 2004.

4.cb5 d5

5.Bb2 Bd6 6.Nf3 Nd7 7.Qb3 Ngf6 8.g4 Nc5 9.Qc3 Ng4 10.Bh3? Nf2! 11.Kf2 Ne4 12.Ke1 Nc3 13.Bc8 Nb1 14.Bf5 e4 15.Nd4 Nd2 16.Kd2 Be5 17.Ke3 Bd4 18.Bd4 Qg5 (19.Kf2 Qf5 20.Ke1 e3 21.Be3 Qe5–+) 0–1. riverborne – jooobl, Live Game Caissa's Web, 2005.

5.Bb2 Bd6 6.g3 Be6 7.f4 Nd7 8.Nf3 +=.

5.Bb2 Bd6 6.g3 Ne7 7.Nf3 e4 8.Nd4 0–0 9.Bg2 Qb6 10.a4 (10.d3 Bb4 11.Nd2 ed3+=) 10...Nbc6 (10...Be5 11.Nf5 Bf5 12.Be5+=) 11.Nb3 Ne5 12.Bd4 Qd8 13.Nc3 Bg4 (13...Nf5 14.Be5 Be5 15.d4+=) 14.0–0= f5 (14...Nf5 15.h3 (worse is 15.Nd5 Nd4 16.Nd4 Bc5–/+) 15...Bh5 16.Bc5=) 15.Nc5 (15.f4 N5g6 16.h3=) 15...f4 (better is 15...Bc5!? 16.Bc5 d4 17.Qb3 Rf7=) 16.Nb7+/– Qc7 17.Nd6 Qd6 18.Qb3 f3 (18...Be6+=) 19.Be5 (better is 19.Ne4!? Qh6 20.Be3 fg2 21.Bh6 gf1R 22.Kf1 gh6 23.Rc1+–) 19...Qe5= 20.ef3 Bf3 21.Rae1 Bg2 (21...Kh8 22.Re3=) 22.Kg2 Kh8 23.d4 (23.Qb4 Qf6=) 23...Qh5 (23...Qf6 24.Kg1=) 24.Re3 (24.Kg1 Rac8+=) 24...Nf5 25.Nd5 (25.Qd5 Rad8 26.Qa2 Ne3 27.fe3 Rf1 28.Kf1 Qf3 29.Qf2 Qh1 30.Ke2 Rc8–/+) 25...Ne3 26.Ne3 Rae8 27.a5 Rb8 28.d5 Rb7 29.Qc4 Qe5 30.Qb4 Rfb8 31.Rb1 Qe8 32.b6 ab6 33.ab6 Qd8 34.Qe4+/– Rb6 35.Rb6 Qb6 36.h4 Rf8 37.f4 Qb2 38.Kf3 Qb5 39.h5 Re8 40.Qd4 Qb7 41.h6+– Kg8 42.Nf5 g6 43.Nd6 Qb3 44.Kg4 Re7 45.Ne4 Qc2 46.Nf6 Kf7 47.d6 Qf5 48.Kf3 Qf6 49.Qf6 Kf6 50.de7 Ke7 51.Ke4 Kf6 52.Kd5 g5 53.Kd6 gf4 54.gf4 Kf5 55.Ke7 Kg6 56.Ke6 Kh6 57.f5 1–0. Needleman,Gaston (2410) – Tristan,Leonardo (2285), South America–ch U20, 2006.

5.Bb2 Nd7 6.e3 Ngf6 7.Nf3 Bd6 8.Qc2 b6?? (8...0–0 9.Nc3=+) 9.Nc3 (Better is 9.Qc6 Bb7 10.Qd6+– (10.Qb7?! Nc5 11.Qc6 Kf8+–)) 9...Bb7 10.Be2 0–0 11.Ng5 (11.d4 e4 12.Nh4 g6=) 11...Qe7 12.0–0 Rac8 13.Qf5 Nc5 14.f4 e4?? (Better is 14...d4 15.fe5 A) 15...dc3?? 16.ef6 (16.ed6?! Qd6 17.Bc3 Qd5 18.Qd5 Nd5+/–) 16...Be4 17.fe7 Bf5 18.ef8R (18.ef8N?! cb2 19.Rad1 b1Q 20.Rb1 Bb1+–) 18...Rf8 19.Bc3+–; B) 15...Qe5?! 16.Qe5 Be5 17.ed4 Bd4 18.Kh1=; C) 15...Be5=) 15.Nd5!!+– (15...Bd5 16.Bf6+–) 1–0. Otte,Marco – van der Eijk,Martin, Wag.Ext.4vsRothmans3, 1999.

5.d4 Bd6 =+.

5.e3 Bf5 6.Bb2 Nd7 7.Nf3 Bd6 8.Be2 Ne7 9.0–0 Rc8 10.Nc3 0–0 11.Rc1 e4 12.Nd4 Nf6 13.Nf5 Nf5 14.Bg4 Qd7 15.f4 (15.Bh3!? d4 16.ed4+=) 15...Rfe8 16.Bf5 Qf5 17.Qa4 Bc5 18.Ba3 Bb6 19.Ne2 Qd7 20.Bb2 Qg4 21.Qd1 Rc1 22.Nc1 Qh4 23.Ne2 Rc8 24.Bd4 Nd7 25.Qa1 Rc2 26.Bc3 (26.Bg7 Rd2 27.Ng3 Be3 28.Kh1 Bf4 29.Rf4 Qf4–+) 26...Be3 27.de3 Re2 28.Bd4 Qg4 29.Rf2 Rf2 30.Kf2 b6 31.a4 (31.h3 Qh4 32.Kg1 h6+=) 31...Nc5–/+ 32.Bc5 bc5 33.Qe5 Qh4 34.Ke2 Qd8 35.a5 g6 36.b6 (36.g4!? h6 37.a6–/+) 36...ab6–+ 37.ab6 Qb6 38.Qd5 Qb2 39.Qd2 Qb5 40.Kf2 Qd3 41.Ke1 c4 0–1. Fournier,Frederic – Mephisto Mondial, Match Active, 1999.

5.e3 Nf6 6.Bb2 Bd6 7.Nf3 Bg4 8.Be2 Nbd7 9.d4 e4 10.Ne5 Be2 11.Qe2 0–0 12.0–0 Re8 13.Nd7 Qd7 14.Rc1 Rec8 15.Nd2 Bb4 16.a4 h5 17.h3 Rc1 18.Rc1 Rc8 19.Qd1 g6 20.Kh2 Nh7 21.Rc8= Qc8 22.Qc1 Qc1=+ 23.Bc1 Nf8 24.f3 f5 25.Kg3 Bd6 26.Kh4 Be7 ˝–˝. Istvanny (1675) – ozana (1725), internet, 2007.

5.e3 Nf6 6.Bb2 Bd6 7.g3 0–0 8.Bg2 Be6 9.Nc3 Nbd7 10.Nge2 Rc8 11.0–0 a6 (11...Qb6 12.f4 d4 13.ed4 ef4 14.Nf4=) 12.ba6 ba6 13.a3 (13.f4!? Nb6 14.fe5 Be5 15.Na4 Bb2 16.Nb2=+) 13...Rb8 14.Qc2 Qe7 (14...Qb6 15.Rfb1–/+) 15.d4 (Better is 15.f4!? ef4 16.gf4=+) 15...e4–/+ 16.f4 Rfc8?? 17.f5+/– Nb6 18.fe6 fe6 19.Qd2?? Nc4–+ 20.Qc2 Rb2 21.Qa4 Ng4 22.Nd1 Re2 23.Rc1 Nge3 24.Ne3 Re3 25.Bh3 Ra3 26.Qd1 Rb8 27.Qg4 Re8 28.Rf2 Ne3 29.Qe2 Nf5 30.Bf5 ef5 31.Rf5 Bg3 32.hg3 Rg3 33.Kf2 Qh4 34.Rh5 Rf8 35.Ke1 Rg1 36.Kd2 Qf4 37.Qe3 Rg2 38.Kc3 Qe3 39.Kb4 Rb2 40.Kc5 Rb5 41.Kd6 Qa3 42.Ke5 Qe7# 0–1. MasterofDisaster – 555666, Live Game Caissa's Web, 2004.

5.Nf3 Bd6 6.d4 –/+.

3.c4 Bc5

4.Ba3 Bf2 5.Kf2 Qh4 6.g3 Qd4 7.e3 Qa1 8.Qg4 –+.

4.e3 d5 =.

4.Nf3 a6 5.e3 d5 6.cd5 cd5 7.Bd3?? e4–+ 8.0–0 ab5?? 9.Bb5=+ Bd7 10.Be2? ef3 11.gf3?? Qg5 12.Kh1 Ra6?? 13.Rg1 Qh4 14.f4?? Rh6–+ 15.Bd3 Qh2# 0–1. soraya – meredin (1720), net–chess.com, 2007.

4.Nf3 e4 5.Bb2 ef3 6.Bg7 fg2 7.Bg2 –+.

3.c4 d5

4.bc6 Nc6 5.cd5 Qd5 +=.

4.cd5 cb5 5.e4 f5 6.d4 (6...ed4 7.Qd4 fe4 8.Qe4 Kf7 9.Nc3=). Pierred (2105) – Guest652763, Rated game, 1m + 0s, 2005.

4.e3 Be6 5.Bb2 Nd7 6.cd5 cd5 7.Nf3 Bd6 8.Nc3 f6 9.a4 Ne7 10.Be2 0–0 11.0–0 b6 12.Rc1 Rc8 13.h3 Rc7 14.Bd3 Qb8 15.Bb1 Bf7 16.Nh4 g6 17.f3 Be6 18.g4 Rf7 19.Ne2 f5 20.Rc7 Qc7 21.Qc2 Qc2 22.Bc2 Rf8 23.Ra1 Rc8 24.Bc3 Kf7 25.Ng2 h6 26.a5 ba5 27.Ra5 Bc5 28.Bb3 Bb6–/+ 29.Ra1 Rc7 30.Ba5 Rc5 31.Bb6 ab6 32.Ba4 Nc8 33.Ne1 Nd6 34.Nd3 Rc7 35.Nb4 Nb8 36.Nc3 Ra7 37.Nbd5+= Bd5 38.Nd5+/– Nd7? 39.d4?? ed4 40.ed4 Ra5?? 41.Nb6!+– Ke7 42.Nd5 Kd8 43.b6?? Rd5=+ 44.Bc6 Rd4 45.b7?? Nb7?? 46.Bb7= fg4 ˝–˝. Louis,K – Kupsch,Wolfgang, Saarland–chC, 1993.

4.e3 Bf5 5.Bb2 Bd6 6.Nf3 f6 7.Be2 Ne7 8.0–0 0–0 9.d3 Nd7 10.Nc3 a6 11.a4 Qc7 12.h3 Rfd8 13.Rc1 Qa5 14.e4= Be6 15.ed5 cd5 16.Nd2 d4 17.Nce4= Nc5 18.Nd6+/– Rd6 19.Ba3 Qc7 20.Bc5 Qc5 21.Ne4 Qc7 22.Nd6 Qd6 23.Bf3 Rb8 24.Qb3 Ng6 25.Rb1 a5 26.b6 Nf4 27.Rfd1 g5 28.Qb5+– Bd7 29.Qa5 Bc6 30.Rd2?? Bf3–+ 31.gf3 Qc6 (31...Nh3 32.Kf1=) ˝–˝. Sternik,Ryszard – Kaminski,B, Augustow, 1972.

4.e3 Nf6 5.d4 Bb4 6.Bd2 Bd2 7.Qd2 ed4 8.Qd4 =.

4.cd5 cd5

5.Bb2 d4 6.Nf3 Nd7 7.e3 de3 8.de3 Bb4 9.Nc3 e4 10.Nd4 Ngf6 11.Bc4 Ne5 12.Bf7?? Nf7–+ 13.Qb3 Qe7 14.0–0 0–0 15.Nd5 Nd5 16.Qd5 Rd8 17.Qh5 Nh6 18.Nc2 Bd6 19.f4 ef3 20.Rf3 Bg4 21.Qd5 Kh8 22.Kh1 Bf3 23.gf3 Rac8 24.Rg1 Rg8 25.Nd4 Qe5 26.Qe5 Be5 27.f4 Bd4 28.Bd4 a6 29.ba6 ba6 30.Rb1 Rb8 31.Rc1 Nf5 32.Be5 Rbc8 33.Re1 Rc2 34.e4 Nh4 (35.Rf1 Re8–+) 0–1. Langguth,Wilhelm – Grimm,Ulrich, corr ICCF–Cup8/9 V186, 1990.

5.Bb2 Bd6 6.Nf3 Nd7 7.e3 +=.

5.Bb2 f6 6.e3 Be6 7.Be2 Nd7 8.Nf3 Bd6 9.0–0 Ne7 10.d4 (10.Ba3 Ba3 11.Na3 Qa5=) 10...e4+= 11.Nfd2 0–0 (11...Qc7 12.h3=) 12.Qb3 Bf7 (12...f5 13.Ba3 Qb8 14.Bd6 Qd6 15.Qa3 Qa3 16.Na3=) 13.Nc3 (13.Ba3 Nb6=) 13...f5 (13...Qb8 14.h3=) 14.a4 (14.Ba3 Nf6=) 14...Nf6 (14...f4 15.Ba3 Ba3 16.Ra3=) 15.a5 g5 Black prepares f4 (15...f4 16.Ba3=) 16.b6 (16.Ba3 f4+=) 16...a6 (16...ab6 17.ab6 Ra1 18.Ra1=) 17.Na4 (17.Ba3 f4+=) 17...Ng6 Black prepares f4 (17...Qb8 18.Kh1+=) 18.Rac1 (18.Ba3 Ba3 19.Ra3 Rc8+/–) 18...f4 (18...Qe7 19.Nc5+=) 19.Nc5 (19.Ba3 Ba3 20.Qa3 g4+/–) 19...Qb8 (19...Qe7 20.Rc2+=) 20.h3+/– Nh4 21.g3?? (better is 21.Ba3+/–) 21...fg3–/+ 22.fg3 (22.Na6 ba6 23.fg3–+) 22...Bc5–+ 23.gh4?? Qg3 24.Kh1 Bd6 (24...Bd6 25.Rf4 Qh3 (25...gf4?! 26.Rg1–+) 26.Kg1 gf4 27.ef4 e3–+) 0–1. Plock,Joerg – Koepcke,Klaus Peter, Stralsund op, 1997.

5.Bb2 f6 6.e3 Be6 7.Nf3 Nd7 8.Be2 e4 9.Nd4 Qb6 10.d3 Bc5 11.Nd2 Bd4 12.Bd4+/– Ne7?? 13.Bb6+– Nb6 14.0–0 ed3 15.Bd3 Nc4 16.Rc1 0–0 17.Nc4 dc4 18.Bc4 Rfc8 19.Be6 Kf8 20.Rc8 Rc8 21.Bc8 Nc8 22.Qd8 Kf7 23.Qd5 Kf8 24.Rd1 (24...Nd6 25.Qe6 h5 26.Rd6 g5 27.Rd7 f5 28.Qf7#) 1–0. Pierred (2105) – Guest652763, Rated game, 1m + 2s, 2005.

5.Nf3 Bd6 =+.

3.c4 Bd6

4.Bb2 Nf6 5.e3 Bc7 6.d4 e4 7.d5 d6 8.Qa4 Ba5 9.Bc3 =+.

4.Nc3 Bb4 A) 5.Qb3 Qe7 6.Nf3 Bc3 7.Qc3 d6 8.Ba3 c5 9.d3=; B) 5.Rb1 Bc3 6.dc3 d6 7.e4 Nf6 8.Bd3 Qa5 9.Qc2=; C) 5.a3 Bc3 6.dc3 Qc7 7.Nf3 Nf6 8.Rb1 cb5 9.cb5=+; D) 5.Bb2 d6 6.Qb3 Ba5 7.e3 Nf6 8.Be2 a6 9.bc6=; E) 5.Nf3 d6 6.Qb3 Qa5 7.Bb2 Nf6 8.a3 Bc5 9.Na4=.

4.Nc3 Bc5 5.Nf3 d6 6.e3 Bg4 7.Be2 d5 8.Ne5 Be2 9.Qe2 f6?? 10.Nd3 Bb6 11.cd5 cd5 12.Qh5 g6 13.Qd5 Qd5 14.Nd5 Nd7 15.a4 Ne7 16.Ne7 Ke7 17.0–0 Nc5?? 18.Ba3 Kd6 (19.Rfc1 Rhc8+–). eros129in – DARKMAN, internet, 2007.

4.Nc3 Qe7 5.Qc2 Bc5 6.Rb1 Nf6 7.Na4 Ba3 8.Ba3 Qa3 9.Nf3 =.

4.Nc3 Be7 A) 5.e4 Nf6 6.Nf3 Bb4 7.Rb1 Bc3 8.dc3 Ne4 9.Qc2=; B) 5.Nf3 Bf6 6.Rb1 a6 7.bc6 dc6 8.Ba3 Be7 9.Be7=.

4.Nc3 Nf6 5.Nf3 e4 6.Ng5 Be5 7.Rb1 Bc3 8.dc3 h6 9.Nh3 =+.

4.e4 Bc5 5.Nf3 Nf6 6.Nc3 Ng4 7.d4 ed4 8.Na4 Bb4 9.Bd2 =+.

3.c4 Nf6

4.Bb2 Bc5 =+.

4.Bb2 d6 5.e3 c5 6.Qc2 Be6 7.Nc3 Be7 8.Nf3 0–0 9.Be2 Nbd7 10.0–0 Nb6 11.d3 Qc7 12.Ng5 Bd7 13.a4 a5 14.ba6 Ra6 15.Nb5 (15.a5 Na8 16.d4 g6+/–) 15...Qc8 (15...Qd8 16.d4 h6 17.de5 de5 18.Ne4 Ne4 19.Qe4=) 16.d4 cd4= 17.ed4 d5 18.de5+/– Ne4 19.Ne4 de4 20.Qe4 Bf5 21.Qf4 Na4 22.Bd4 Rd8 23.c5 Nc5 24.Rac1 Ra4 25.Qe3 b6+= 26.Rfe1 Qb7 27.Nd6+/– Qd7?? 28.Bc5 Bd6 29.Bd6 b5 30.Rc7 Qe6 31.f3 b4 32.Bc4 Qg6 33.Bf7 1–0. Otte,Marco – Bakker,Henk, Wag.Intcomp Wageningen, 2002.

4.Bb2 d6 5.f3 a6 6.Qa4 Bd7 7.h4? cb5 8.Nc3?? ba4 9.e4 Nc6 10.Rc1 Nd4 11.Nd5 Nd5 12.cd5 Qb6 13.Bd4 Qd4 14.Ne2 Qb6 15.Nc3 Rc8 16.Rb1 Qa7 17.Bd3 Be7 18.g4 h5 19.g5 f6 20.gf6 Bf6 21.Kf1 g5 22.hg5 Bg5 23.Ke2 Rc3! 24.dc3 Qe3 25.Kf1 Qd3 26.Kg2 b5 27.Rhg1 Qe2 (28.Kh1 Qf3 29.Rg2 Bh3 30.Rbg1 Bg2 31.Rg2 Qf1 32.Kh2 Bf4 33.Rg3 h4 34.a3 hg3#) 0–1. riverborne – Albatross3, Live Game Caissa's Web, 2005.

4.Bb2 e4 5.Nc3 d6 6.e3 Nbd7 7.f3 d5 8.cd5 cd5 9.d4 Bd6 10.Qc2 Qe7 11.fe4 Ne4 12.Ne4 de4 13.g3 Nf6 14.Ne2 Bd7 15.Nc3 Rc8 16.Rc1 Bb4 17.Qb3 Be6 18.Qa4 Nd5 19.b6 Bd7 20.Bb5 Nc3?? (better is 20...Rc3 21.Bc3 Nc3 22.Bd7 Kd8–/+) 21.Bd7+= Kd8 22.Bc3 Bc3 23.Rc3 Rc3 (23...Rc3 24.Qa5 Double attack (24.Qa5 Decoy; 24.ba7 Passed pawn)) 24.ba7 Kc7 25.Qa5 Kd7 26.Qc3 Ra8 27.Qa5 f6 28.Kd2 Ke8 29.Rc1 Qd7 30.Qb6 Qd5 31.Rc2 Kf8 32.Rb2 Kg8 33.Qb7 Qa5 34.Kd1 Qa7 35.Qe4 Qa6 36.Qd5 Kh8 37.Qb5 Qa7 38.Kd2 Rc8 39.a4 Qa8 40.d5 Rd8 41.e4 f5 42.Kd3 fe4 43.Ke4 Qc8 44.Re2 ˝–˝. Fournier,Frederic – COMP Rex Chess 2 3, 1997.

4.e3 Bb4 5.Bb2 d6 6.a4 0–0 7.Bc3 Bc5 8.Be2 Ne4 9.f3?? Qh4–+ 10.g3 Ng3! 11.hg3 Qh1 12.Kf2 Qh2 13.Kf1 Qg3 14.Qe1 Bh3 15.Nh3 Qh3 16.Kg1 Qh6 17.Qf2 Nd7 18.d4 ed4 19.Bd4 Bb6 20.Nd2 Bd4 21.Ra3 Bc5 22.Rb3 Qg5 23.Kf1 Rae8 24.Ne4 Qe5 25.bc6 bc6 26.Bd3 Qa1 27.Rb1 Qa4 28.Qh4 h6 29.Be2 Qc2 30.Re1 d5 31.cd5 cd5 32.Bb5 de4 33.Bd7 Qd3 34.Kf2 Qd7 35.fe4 Qd2 36.Kf1 Qd3 37.Re2 Re4 38.Qe1 Re3 39.Qd2 Qb1 40.Qe1–+ Qf5 41.Kg2 Qf3 42.Kh2 Re2 43.Qe2 Qe2 44.Kg3 Re8 45.Kf4 Qf2 46.Kg4 Re4 47.Kh3 Rh4# 0–1. Sierra,Sergio – Logan,Hardie, O–1703 IECC, 2003.

4.e3 cb5 5.cb5 d5 6.d4 =+.

4.e3 cb5 5.cb5 d5 6.Be2 =+.

3.bc6 Nc6

4.Bb2 d5 5.e3 Qb6 6.Qc1 +=.

4.Bb2 d5 5.e3 e4 6.Bb5 a6 7.Ba4 Nf6 8.Ne2 Bd7 (8...Be7 9.0–0+=) 9.0–0 Bd6 10.a3? (10.f4 0–0+=) 10...0–0 (10...Bh2 11.Kh1 Bd6 12.f4–+) 11.d3? (11.Bb3 b5+=) 11...ed3 (11...Bh2 12.Kh1 Ng4–+) 12.cd3+= b5 13.Bb3 Na5 14.Ba2 b4 15.h3 Rb8 16.Qc2?? Rc8?? 17.Qd2? ba3?? 18.Na3 +=. Maly,Guenther (1665) – Feiertag,Manfred, RSS7E schnell–67, 2010.

4.Bb2 d5 5.g3 Nf6 6.a3 a5 7.Nc3 Bc5 8.e3 e4 9.Nb5 0–0 10.Bf6 Qf6 (10...gf6?! 11.d4 Be7 12.f3+=) 11.Nc7 Nb8?? (better is 11...Bg4! 12.Be2 Be2 13.Ne2 Rad8–/+) 12.Na8+– Nc6? (12...Qc6 13.d4 Bd6 14.Rb1 Ba3 15.Qd2+–) 13.c3 (better is 13.Nc7 d4+–) 13...b5? (13...Qd8 14.d3 Be6 15.de4 Qf6+–) 14.Nc7 (worse is 14.Bb5 Ne5 15.Qb3 Bd7+–) 14...d4 15.Nd5 (15.Bb5!? dc3 16.d4 ed3 17.Bd3 Qe5+–) 15...Qf5 16.Nf4 de3 17.fe3 b4 18.Bh3 Qe5 19.Bc8 Rc8 20.c4 (20.ab4!? ab4 21.Rc1 Rd8+–) 20...Rd8 21.Nd5 (21.Qc1 b3 22.Rb1 a4+–) 21...f6? (21...ba3 22.Nh3 Nb4+–) 22.Nh3 Nd4 (22...b3 23.Nf2+–) 23.Nhf4 (better is 23.ed4 Qd4 24.Qc1 Rc8+–) 23...Nf3? (23...Nc2 24.Kf2 Na1 25.ab4 ab4 26.Qa1+–) 24.Kf1 (better is 24.Ke2!? Ng5+–) 24...Nd2 25.Kg2 (25.Qd2?! Qa1 26.Kg2 Qe5+–) 25...Be3 (25...Nc4 26.Qc1 Qb2 27.Kh3+–) 26.ab4 (26.Ne3 Qb2 27.Qe2 ba3+–) 26...ab4 (26...Nc4 27.Qb3 Bf4 28.Nf4 Rd2 29.Kh3 Qf5 30.g4 Qf4 31.Qc4 Kf8 32.Qc5 Kg8+–) 27.Nf6 (better is 27.Ne3 b3 28.Qg4+–) 27...gf6 (better is 27...Qf6!? 28.Nd5 Qf2 29.Kh3 b3+=) 28.Qg4+= Kh8 (better is 28...Qg5!? 29.Qe6 Kh8=) 29.Ne6+– Rg8 30.Ra8! Qe6 (30...Ra8 31.Qg7#) 31.Qg7 Kg7–+ (31...Kg7 32.Raa1 Nf3–+) 0–1. Bernard – Delasheras, playchess.de, 2001.

4.Nc3 d5–/+ 5.e3 Nf6 6.d4 Bb4–/+ 7.Bd2 ed4 8.ed4 0–0 9.Rb1 Qa5 10.Rb2?? Bc3–+ 11.Bc3 Qc3 12.Qd2 Qb2 13.f4 Qb1 14.Kf2 Ne4 15.Ke2 Nd2 16.Kd2 Qf1 17.g3 Qg2 18.Ne2–+ Qh1 19.h4 Re8 (20.g4 Nd4 21.Kc3 Qa1 22.Kd3 Ne2 23.Kd2 Qd4 24.Ke1 Ng3#) 0–1. Jolilein – michele@, mySchach.de, 2005.

4.e4 Nf6 5.Nc3 d5 6.ed5 Nd5 7.Nd5 Qd5 =+.

3.e3 a6

4.Bb2 ab5 5.Be5 d5 =+.

4.Bb2= b6 5.Be5 ab5 6.Qf3 d6 7.Bf4 Nf6 8.c4 Na6 9.cb5= Nb4 10.bc6?? Nc2 11.Kd1 Na1?? 12.Bb5?? Ba6 13.c7+– Qd7?? 14.Bd7 Kd7 15.Qa8 Kc7 16.Qa6 Nd5 17.Qa7 Kc6 18.Qf7 Nf4 19.Qf4 Be7 20.Ne2 g5 21.Qc4 Kb7 22.Nd4 Rc8 23.Qd5 Kc7 24.Ne6 Kb8 25.Ke2 Rc1 26.Rc1 g4 27.Rc7 (27...Bf6 28.Qb7#) 1–0. blacksteelpipe – chess102, Live Game Caissa's Web, 2005.

4.Bb2= d6 5.a4 =.

4.bc6 Nc6=+ 5.Nc3 Nf6 6.Bc4 d5–/+ 7.Bd3 e4 8.Be2 Bf5 9.h3 h6 10.g4 Bh7 11.f4 Be7 12.f5? g6 13.d3 gf5 14.de4? fe4 15.Bb2 Bb4 16.a3 Ba5 17.Rh2?? Qb6 18.Rb1 Qe3 19.Rg2 Bc3 20.Bc3 Qc3 21.Kf1 e3 22.Bd3 Bd3 23.cd3 Qe5 24.Rb7 0–0 25.Nf3 Qf4 26.g5 hg5 27.Rg5 Kh7 28.Ke2 Nd4 29.Nd4 Qd4 30.Qg1?? Qh4 31.Rg7 Kh8 32.Rb4 Qh5 33.Ke3 Qh3 34.Rg3 Qh6 35.Kf2 Rg8 36.Rh4 Qh4 37.Qg2 Rg3 38.Qg3 Qg3 39.Kg3 Rb8 40.Kf4 Rb3 41.Ke5 Kg7 42.d4 Ra3 43.Kd6 Rb3 (44.Ke5 a5–+) 0–1. blacksteelballs – grandasta, Live Game Caissa's Web, 2005.

3.e3 cb5

4.Bb5 a6 5.Ba4 Nf6 6.Bb2 b5 7.Bb3 d5 8.d4 e4 9.a4=+ Bb4 10.Nd2 Qa5 11.c3 Bc3? 12.Bc3= Qc3 13.ab5?? Bg4=+ 14.Qc2?? Qc2 15.Bc2= a5 16.b6 0–0 17.h3 Bh5 18.Nb3 a4 19.b7 Ra7 20.Nc5 a3 21.Bd1?? Bd1+= 22.Kd1 Nfd7 23.Ne2 Nc5+= 24.Nc3?? Nd3–+ 25.Ke2 Rd8 26.Rhb1 Nb2 27.Nb5?? a2 28.Rb2+= Rb7 29.Raa2 Nc6 30.Nc3 Rb2 31.Rb2 f5 32.Rb5+/– Ne7 33.Rb7 Kf8 34.f3 ˝–˝. Steingraeber,Barbara – Ritschel,Stephan, RSS7D–2 remoteschach.de, 2002.

4.Bb5 a6 5.Be2 d5 6.Nf3 Nc6 7.Bb2 Bd6=+ 8.0–0 Nf6 9.d3 Qc7 10.Nbd2 e4 11.de4= de4 12.Nc4 Be7 13.Nd4 b5 14.Nc6= Qc6 15.Ne5 Qe6 16.c4 Qb6 17.cb5 ab5 18.Qb3 Ba6?? 19.Qf7+– (19...Kd8 20.Rfd1 Kc8 21.Qe7+–) 1–0. Bardyn,K – Frak,M, Radom–ch corr, 1993.

3.e3 Bc5

4.a3 d5 5.Bb2 Nd7 6.d4 ed4 7.Bd4 =+.

4.a3 Nf6 5.c3 d5 6.bc6 Nc6–/+ 7.Bb5 Bd7 8.Nf3 0–0 9.Ne5?? Ne5–+ 10.Bd7 Qd7 11.h3?? Bb6 12.Bb2 Rae8 13.f4 Ng6 14.g4 Nf4 15.Qf3 Ng6 16.h4 Ng4 17.h5 N6e5 18.Qf4 g6 19.hg6 fg6 20.Qg5 Rf5 21.Qh4 Nf3 22.Ke2 Nh4 23.Rh4 Rf2 24.Ke1 Qb5 25.Rg4 Qe2# 0–1. solidsteel – PUTUPORSHUTUP, Live Game Caissa's Web, 2005.

4.c4 cb5=+ 5.cb5 Nf6 6.Nc3 d6 7.d4 ed4 8.ed4 Bb6 9.Nf3 0–0=+ 10.Be2 Re8 11.0–0 Bg4 12.h3 Bh5 13.Be3 Nbd7 14.Bg5 Rc8 15.Nd5 Ba5 16.Bd3 Bc3 17.Rc1 Bd4+= 18.Bh7 Kh7 19.Rc8 Bf2 20.Rf2 Qc8 21.Bf6 Nf6 22.Ng5 Kg6=+ 23.Nf4? Kh6?? 24.Nh5+– Kg5 25.Ng7 Rd8 26.Qd4 Nh5?? 27.Qd5 Kh6 28.Nh5 Rg8 29.Nf6 Rg5 30.Qd6 Qh3 31.Ng4 Kg7 32.gh3 Rg6 33.Qd4 Kg8 34.Qa7 (34...Rg4 35.hg4+–) 1–0. Strand – Larsson,Bruno, SVE, 1989.

4.d4!? ed4 5.ed4 =.

3.e3 d5

(--> 1.b4 e5 2.b5 d5 3.e3 c6).

4.Bb2 Bd6 5.c4 Nf6 (--> 1.b4 e5 2.b5 d5 3.Bb2 Bd6 4.e3 Nf6 5.c4 c6).

4.Bb2 e4 5.c4 (--> 1.b4 e5 2.Bb2 e4 3.e3 d5 4.c4 c6 5.b5).

3.e3 Nf6

4.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5 c6).

4.Be2 a6 5.d4 e4 6.bc6 Nc6 7.c4 =+.

4.Be2 Bd6 5.Nf3 (5.Bb2 0–0=) 5...0–0 (5...cb5 6.Bb5 a6 7.Be2=) 6.0–0 (6.Bb2 e4 7.Nd4 c5=) 6...Qc7 (6...cb5 7.Bb5 e4 8.Nd4=+) 7.d3 (7.Ba3 Ba3 8.Na3 d6=) 7...cb5=+ 8.d4 (8.Bb2!?=+) 8...e4–/+ 9.Ne5 Be5 10.de5 Qe5 11.c3 (11.Qd4 Qd4 12.ed4 b4–/+) 11...d5 (11...d6–+) 12.Bb2 (12.Ba3 Rd8–+) 12...b4 (better is 12...Qg5!? 13.f4 ef3 14.Rf3 Bg4–+) 13.Qd2–/+ bc3 14.Bc3 Qe6 15.Na3 Bd7 16.f3 Re8 17.fe4? Ne4–+ 18.Qe1 Nc3 19.Qc3 Qe3 20.Qe3 Re3 21.Nb5 Bb5 22.Bb5 a6 23.Ba4 b5 24.Bb3 Re5 25.g3? Nd7 26.Kg2 Nc5 27.Bc2 Rae8 28.Bb3 Nb3 29.ab3 R8e6 30.Ra5 Re3 31.Rb1 d4 32.b4 d3 33.Ra3 Re2 34.Kh3 d2 35.Ra2 Re1 36.Raa1?? Rb1 (37.Rb1 Re1–+) 0–1. icewater – Blacknight, Caissa.com, 2004.

4.Nf3 d6 5.Bc4 (5.Bb2 Be7=+) 5...a6 6.Ng5 (better is 6.bc6 Nc6 7.Bb2=+) 6...Be6?? (better is 6...d5 7.Be2 ab5–/+) 7.Be6 (7.Ne6!? fe6 8.bc6 bc6 9.Be6+/–) 7...fe6= 8.Ne6 Qe7 9.Nf8 Qf8 10.Ba3 Qe7 11.b6 0–0 12.Qf3 Nbd7=+ 13.h4 Nd5 14.Qe4 N5f6 15.Qc4 Kh8 16.Rh3 Nd5 17.Rg3 Qf6 18.Rf3 Qh4?? 19.Rf8+– Rf8 20.Bd6 Qf2 21.Kd1 Qg1 22.Ke2 Qg2 23.Kd3 Qf1 24.Ke4 Qc4 25.d4 Rf1 26.Be5 N7f6 27.Bf6 Nf6 (28.Ke5 Qd5#) 0–1. solidsteelpipe – coolcat, Live Game Caissa's Web, 2005.

4.Nf3 e4 5.Nd4 =+.

3.e4 Bc5

4.d3 Nf6 5.Nc3 Qb6 6.Qe2 cb5 7.Qd2 0–0 8.Rb1 a6 9.Nf3 Ng4 10.d4 Bd4 11.Nd5 (better is 11.Nd4!? Qd4 12.Qd4 ed4 13.Nd5+=) 11...Bf2–+ 12.Kd1 (12.Ke2 Qc5 13.h3 f5 14.hg4 fe4 15.Ne7 Qe7 16.Qd5 Qe6 17.Qe4 h6 (17...Qa2 18.Qh7 Kf7 19.Rb2+/–) 18.Kf2 d5–+ (18...Qa2? 19.Bd3+–)) 12...Qd6 13.h3 Be3 14.Ne3 Ne3 15.Ke2 Qd2 16.Kd2 Nf1 17.Rf1 Nc6 18.Ba3 Rd8 19.Bd6 f6 20.Ke3 Na5 21.Rb4? (21.Ke2 Nc4 22.Bc7–+) 21...Nc6 (better is 21...Nc4 22.Rc4 bc4–+) 22.Rb2?? (22.Rbb1 Re8 23.Rfd1–+) 22...b6 23.Bc7 Re8 24.Bb6 Bb7 25.Rd1 Nd4! 26.c3 Ne6 27.Rd7–/+ Bc6 28.Rd6 Rac8 29.g3 Ba8 30.Rb3 Rc4 31.Nd2 Ra4 32.a3 Ng5 33.c4 bc4 34.Rc3 Nf7 35.Rd7 Rc8 36.Rc7 Rb8 37.Bc5 Ra5 38.Rc4 Ng5?? 39.Bd6+/– Bb7 40.Re7+– Rd8 41.Rb7 Rd6 42.Rc8 (42.Rc8 Rd8 43.Rd8#) 1–0. Tiedemann,Joern (2020) – Gottwald,Bernhard (1950), RSS7E starter–25, 2011.

4.Nf3 d6 5.h3 Nf6=+ 6.Nc3 Nbd7 7.Bc4 h6 8.0–0 Nb6=+ 9.Qe2 Nc4 10.Qc4 Be6 11.Qa4 0–0 12.bc6= bc6 13.Nh2 d5 14.d3 d4 15.Ne2=+ Nh5 16.f4= Bd6 17.f5 Bd7= 18.c4 c5=+ 19.Qd1 Nf4 20.Nf4+/– ef4 21.Bf4 Bf4 22.Rf4 Qc7 23.Qf3 Rab8 24.Qg3 Rfe8 25.f6 g5+= 26.Rf3 Qg3 27.Rg3 Rb6 28.Rf1+= Kh8 29.Ng4 Kh7= 30.Re1 Kg6=+ 31.e5 Rb2 32.Ra1 h5 33.Nf2 h4 34.Rf3 Bc6 35.Nd1 Rd2 36.Rf2 Rd3 37.Re2 Ra3 38.Nf2 Rg3 39.Ng4?! Bf3 40.Rae1 Be2 41.Re2 Rc3 42.Nf2 Rc1 43.Kh2 Rc4 44.g3 Ra4 45.g4 c4 46.Nd1 d3 47.Rd2 Re5 48.Nc3 Ra3 49.Nb1 Re2 50.Kg1 Re1 51.Kf2 Rb1 (52.Ke3 c3 53.Kd3 cd2 54.Kd2 Rb2 55.Kc1 Raa2 56.Kd1 Rb1#) 0–1. Ginger Prince – color1972, ChessWorld.net, 2004.

4.Qf3 Nf6 5.Nc3 d6 6.Bd3 Bg4 7.Qe3?? (better is 7.Qg3+=) 7...Be3–+ 8.de3 0–0 9.Rb1 c5 10.Nf3 Nbd7 11.Nd2 Qa5 12.Bb2 Qc7 13.Nd5 Nd5 14.ed5 Nf6 15.c4 a6 16.b6 Qd8 17.h3 Bh5 18.Bc3 Nd7 19.Rb2 f5 20.g4 Bg6 21.gf5 Bf5 22.Be2 Nf6 23.Rg1 Ne4 24.Ne4 Be4 25.Rg4 Bf3 26.Rg3 Be2 27.Ke2 Qh4 (27...Qh4 28.Kd3 Rf2–+) 0–1. Tiedemann,Joern (2020) – Henkel,Phil (1935), RSS7E basic–43, 2011.

4.Nf3 Nf6 5.Bd3 =+.

4.Qh5 Bd4 5.c3 Nf6 =.

3.e4 d5

4.bc6 bc6 5.ed5 cd5 6.Nf3 Bd6 7.Bb2 f6 8.Bb5 Bd7 9.Nc3 =.

4.bc6 bc6 5.Qe2 de4 6.Qe4 Bd6 7.Nc3 Nf6 8.Qh4 Bf5 9.d3 =+.

4.bc6 bc6 5.Nf3 =.

4.bc6 Nc6 5.ed5 Qd5 6.Nc3 Qa5 7.Nf3 Nf6 8.Bd3 Bb4 9.Bb2 0–0 10.0–0 Re8 11.Re1 a6 12.Ne4 Ne4 13.Be4 Bg4 14.c3 Bd6 15.Bh7 Kh8 16.Bb1 e4 17.Be4+/– Qh5 18.h3+– Bd7 19.Qb3 Rab8 20.c4 Ne5? 21.c5 Nf3 22.Bf3 Qc5 23.Qf7 Rg8 24.Bd5 Rbf8 25.Qh5 (25.Qd7?! Qf2 26.Kh1 Qg3 27.Qd6 Qd6=) 1–0. pierred – minto, internet, 2009.

4.bc6 de4 5.cb7 Bb7 6.Nc3 Nd7 7.f3 ef3 8.Nf3 Ngf6 9.Qe2 =+.

4.ed5 cd5 5.Bb2 Bd6 6.f4 (6.Qe2 f6 (6...Qf6 7.Nf3 Nd7 8.Ne5 Ne5 9.d4 Qf4 10.de5 Bc5 11.Nd2 Bg4+=; 6...Nd7+= 7.f4 f6 8.d4 Qe7 9.Nc3 Bb4 10.fe5 Ne5 11.0–0–0 Bg4=) 7.d4 Nd7 8.de5 fe5 9.c4 Ne7 10.cd5 Nd5 11.Nc3 Bb4=; 6.Nf3 Nd7 (6...Qe7 7.Be2 Qc7 8.a4 Nf6 9.Ba3 Ba3 10.Ra3 0–0 11.0–0 d4+=) 7.Qe2 Qe7 8.b6 Ngf6 9.ba7 d4 10.a4 Ra7 11.a5 0–0–/+) 6...Qe7 (6...ef4 7.Qe2 Kf8 8.Bd4+= Bf5 9.Nc3 Nf6 10.Nf3 Nbd7 11.Qd1 h5+=) 7.Nc3 (better is 7.Qe2!? f6 (7...Nd7 8.Nf3 f6 9.Nc3 Nb6 10.fe5 fe5 11.a4 Nf6+=) 8.Nc3= Be6 9.fe5 fe5 10.Qh5 Kd8 11.Nf3 Nf6+=) 7...ef4–/+ 8.Qe2 Bg4 (8...Nf6 9.Qe7 Ke7 10.Be2 Re8 11.Nf3 Kd8–/+) 9.Nf3 (9.Nd5 Be2 10.Ne7 Bf1 11.Kf1 Ne7–+) 9...Bf3 (better is 9...Nf6!?–/+ 10.a3 Qe6 11.h3 Bh5–/+) 10.gf3= Nf6 11.Rg1 Rg8 (11...Qe2=) 12.0–0–0 (better is 12.Rg5!?=) 12...Ba3?? (better is 12...Nbd7+=) 13.Ba3+– (13.Ba3 Qe2 14.Ne2+–) 1–0. Tiedemann,Joern (1940) – Gottwald,Bernhard (1925), RSX20E – NoEngine–Grossturnier–1, 2010.

4.ed5 cd5 5.Nf3 =.

4.ed5= Qd5 5.Nc3 Qd8 6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 Bb4 9.Ne4 Nf6 10.0–0 Ne4 11.Be4 Qd4 12.c3?? Bc3 13.dc3 Qe4 14.Re1 Qf5 15.Qd6 Nd7 16.Ba3 Qf6? 17.Rad1?? Rd8?? 18.bc6 bc6?? 19.Qc7 (19...Qe6 20.Rd6 Qd6 21.Qd6 c5 22.Rd1 Rb8 23.Qd7 Kf8 24.Bc5 Kg8 25.Qd8 Rd8 26.Rd8#) 1–0. trex1 – pru, Live Game Caissa's Web, 2005.

4.Nf3 Nf6 5.ed5 e4 6.Nd4 –/+.

4.Nf3 Bg4 5.Be2 (5.h3!? Bf3 6.Qf3+= (worse is 6.gf3 Nf6+=)) 5...Bf3= 6.Bf3 d4 (6...de4 7.Be4 Nf6 8.Bd3+=) 7.c4 (7.a4 Nf6+=) 7...cb5+= 8.cb5 Nf6 9.0–0 Qa5 10.a4 Nbd7 11.Na3 Be7 (11...Nb6!?=) 12.Nc4+= Qc7 13.d3 0–0 14.a5 Nc5 15.b6 ab6 16.Nb6 (16.ab6!? Qc6 17.Ne5 Qb6 18.Nc4+=) 16...Ra6= 17.Bg5 Qd6 18.Rb1 (18.Qc2 Bd8=) 18...Bd8 (worse is 18...Ra5 19.Nc4 Qc7 20.Na5 Qa5 21.Bd2+/–) 19.Nc4 Qc7 Attacks the isolani on a5 20.Qc2 Ncd7 (20...Nfd7 21.Bd2=) 21.Rfc1 Rc6 22.Bd2 Be7 23.Be2 Rb8 24.Qd1 b5? (better is 24...h6+=) 25.ab6!+– Nb6 26.Nb6?? (better is 26.Ne5 Rc3 27.Nf3+–) 26...Rc1 27.Qc1 Qc1 28.Rc1 Rb6+= 29.f4 Rb2= 30.fe5 Rd2 31.ef6 gf6 32.Kf2 Bd6 33.g3 Kg7 ˝–˝. Tiedemann,Joern (2020) – Maier,Ralf (2055), RSS7E easy–114, 2010.

3.e4 Nf6=+

4.Nc3 d5 5.bc6 Nc6 6.ed5 Nd5 7.Nd5 Qd5 –/+.

4.Nc3 d5 5.ed5 cd5 6.Be2 d4 7.Na4=+ Qa5 8.c3 Bd7 9.Rb1? dc3 10.Nc3 Bb4 11.Qc2 0–0 12.Nf3 Bg4 13.0–0 Nbd7=+ 14.Ne4 Rfe8 15.d4 Bf3 16.Bf3= Rac8 17.Nf6 Nf6= 18.Qf5 e4–/+ 19.Be2 Qa2 20.Rb2 Rc1?? 21.Ra2+– (21...Rf1 22.Kf1+–) 1–0. lesbian12 – kleenex2021, Live Game Caissa's Web, 2005.

4.d4 Ne4–/+ 5.de5 Bc5 6.Be3 (6.Qg4 Nf2 7.Qg7–+) 6...Be3–+ 7.fe3 Qh4 8.g3 Ng3! 9.Nf3 (9.hg3 Qg3 Double attack (9...Qh1 Pinning; 9...Qh1 Deflection; 9...Qg5 Decoy)) 9...Qb4 10.Nbd2? (better is 10.c3 Qb2 11.hg3 Qa1 12.Qb3–+) 10...Nh1 11.Qe2 (11.Bg2 Qb5 12.Bh1 0–0–+) 11...Qc3 12.Rc1 Qb2 (12...a6 13.Qd3 Qb4 14.bc6 Nc6 15.Bg2–+) 13.Rb1 (13.Kd1 Qb5 14.Qg2 Nf2 15.Qf2 Qa4–+) 13…Qc2 0–1. Tiedemann,Joern (2125) – Dorn,Norbert (2040), RS–Pyramide remoteschach.de, 2007.

4.Qe2 Bc5 5.Bb2 0–0 6.Be5= Re8 7.f4? d6–/+ 8.Bc3?? Re4 9.Bf6 Re2 10.Be2 Qf6 11.c3 Qf4 12.Nf3 Bg4 13.h3 Bf3 14.gf3 Nd7 15.bc6 bc6 16.a4 Re8 17.Na3 Ne5 18.Nc4 Nf3 19.Kd1 d5 20.Bf3 0–1. manofsteel2 – NOLIMITHOLDEM, Live Game Caissa's Web, 2005.

4.Qe2 d6 5.Ba3 Bd7 6.h3 cb5–/+ 7.Bb4 Nc6 8.c3 Nb4–+ 9.cb4 Bc6 10.f3 d5–+ 11.a4 a6 12.ab5? Bb5 13.d3 Bb4 14.Kf2 Nh5 15.g4 Qb6 16.Kg2 Nf4 17.Kh2 Ne2 18.Ne2 Bc6 19.Ng3 de4 20.fe4 Qf2 (21.Bg2 Qb2–+) 0–1. solidsteel – UPANDRUNNING, Live Game Caissa's Web, 2006.

2.b5 d6

3.c3 Nf6 4.e3 Bd7 (4...d5 5.d4 Bg4 6.f3=) 5.Qb3 (5.d4 e4=+) 5...Be7 (5...Be6 6.c4–/+) 6.Ba3 (6.Bc4 0–0=+) 6...0–0 7.Bc4 c6 8.bc6 Bc6 (8...bc6? 9.Qb7 d5 10.Qa8 Ba3 11.Na3+–; 8...Nc6?! 9.Qb7 Rb8 10.Qa6=+) 9.Qc2?? (better is 9.Nf3=+) 9...Bg2–+ 10.Qf5 Bh1 11.Nh3 (11.d3 d5 12.Bb5 Ba3 13.Na3 Qa5 14.Qe5 Bg2–+) 11...Be4 12.Qg5 Ne8 (better is 12...Qc8 13.d3 Bd3 14.Bd3 Qh3–+) 13.d3 (13.Qg3–+) 13...Bg5 14.de4 Bh4 (14...Qc8 15.Bf7 Kf7 16.Ng5 Kg6 17.f4 ef4 18.Nf3–+) 15.Nd2 Kh8 16.Nf3 f5 17.0–0–0 fe4 18.Nfg1 Qa5 19.Bb2 Nc6 20.Rd5 b5 21.Bb5 Qa2 22.Bc6 Rb8 23.Bb5 Nc7 24.Kc2 Nb5 25.c4 Nd4! 26.ed4 (26.Rd4 Rb2) 0–1. kingsteel – FREEFISCHERNOW, Live Game Caissa's Web, 2004.

3.c4 Nf6 4.e4 Ne4 5.c5?? (better is 5.Nf3–/+) 5...Nf2!–+ (5...dc5?! 6.Nf3 Bg4 7.Qe2–+; 5...Nc5?! 6.Bb2–+) 6.Kf2 Qh4 7.g3 Qd4 8.Ke1 (8.Kg2 Qa1 9.Qc2 Qd4 (9...dc5 10.Nc3 Be7 11.Bb2+=) 10.cd6 Bd6–+) 8...Qe4 9.Kf2 Qh1 10.Bc4 (10.h3 Qd5 11.Bb2–+) 10...d5 11.b6 (11.d4 Qh2 12.Kf1 Bh3 13.Nh3 Qh3 14.Kf2 Qh2 15.Kf1 Qh1 16.Ke2 Qg2 17.Kd3 Qg3 18.Kc2 dc4 19.Qe2–+) 11...Bc5 12.d4 Qh2 13.Kf1 Bd4 14.Bb5 c6 15.Nf3 Qf2# 0–1. 823 – orane, Caissa.com, 2006.

3.d4 ed4 4.Qd4 Qf6 5.e3 Qd4 6.ed4 Nf6 7.Bd3 Be7 8.Bf4 0–0 9.Nf3 Bg4 10.0–0 Bf3 11.gf3 Nbd7 12.Re1 Rfe8 13.Kh1 Bf8 14.Nc3 Nb6 15.Ne4 Ne4 16.fe4 g6 17.Rad1 Bg7 18.c3 Na4 19.Rc1 Nb6 20.Bg5 d5 21.Bf4 de4 22.Be4 Bf8 23.Bb7 Rab8 24.Bc6 Re1 25.Re1 Bd6 26.Bd6 cd6 27.Re7 Rd8 28.Ra7 Nc4 29.Bd5 Nd2 30.Rf7 Kh8 31.a4 h5 32.b6 h4 33.a5 h3 34.b7 Re8 35.Re7! Re7 36.b8Q Kg7 37.Qg8 Kh6 38.Qf8 Rg7 39.Qf4 g5 40.Qd2 Re7 41.f4 Re1 42.Qe1 gf4 43.Qh4 Kg7 44.Qg5 Kf8 45.Qf6 Ke8 46.Bc6# 1–0. Dingbat (2015) – fubar (1900), ICS rated blitz match, 1998.

3.d4 f6 4.Nc3 Be6 5.Nf3 Bg4 6.h3 Bf3 7.ef3 c6 8.d5 c5 9.Bd3 Ne7 10.0–0 g5 11.f4! h5 (11...ef4 12.Qh5 Double attack (12.Qh5 Decoy); 11...gf4 12.Qh5 Double attack (12.Qh5 Decoy)) 12.fe5 de5 13.Qf3 g4? (better is 13...Ng8+–) 14.Qf6 gh3 (14...Rg8 15.Qe5 Qd7+–) 15.Bg6 Kd7 (15...Ng6 16.Qg6 Kd7 17.Qe6 Kc7 18.b6 ab6 19.Nb5#) 16.Qe6 Kc7 17.b6! ab6 (17...ab6 18.Nb5#) 18.Nb5# 1–0. usingprogram (2045) – migrobel, kurnik, 2011.

3.e3 Nf6 4.Bb2 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5).

3.e3 g6 4.c3 (4.Bb2 Bg7=) 4...a6 (4...d5 5.d4 Nd7 6.c4=) 5.Qa4 (5.d4 e4=) 5...Bd7 6.Na3 (6.d4 c6=) 6...Ne7 (6...d5 7.d4 Bd6 8.c4=) 7.Qh4 (7.Nf3 Bg7=) 7...Bg7 8.Nf3 0–0 (8...ab5 9.Bb5 d5 10.0–0=+) 9.Ng5 (9.e4 d5=+) 9...h6 10.Nf7? (better is 10.Nf3!?=+) 10...Rf7 (10...Kf7 11.e4–+) 11.Qg3? (better is 11.Bc4–+) 11...Kh7 12.Bd3 Nf5 13.Bf5 gf5 14.h4 ab5 15.h5 Qf6 16.Qg6 Qg6 17.hg6 Kg6 18.Bb2 c5 19.0–0–0 Na6 20.Rdg1 Nc7 21.Nc2 Ra2 22.Ne1 Rb2 23.Kb2 b4 24.cb4 cb4 25.Nf3 e4 26.Kb3 ef3 27.gf3 Kh7 28.f4 Bc6 29.Kb4 Bh1 30.Rh1 Na6 31.Ka5 Rc7 32.Ra1 Rc2 33.Kb5 Rd2 34.Kb6 Rb2 (35.Ka7 Nc5–+; better is 34...Ba1 35.Kb7 Nb4 36.Kc7–+) 0–1. blacksteelpipe – ru31, Live Game Caissa's Web, 2005.

3.e4= b6 4.Bb2 (4.Nf3 Nf6=) 4...Nf6 5.Nc3 Bb7 (5...a6 6.d4=) 6.Qf3 (6.d4 ed4 7.Qd4 a6=) 6...Be7 (6...a6 7.a4=) 7.0–0–0 (7.Bc4 a6=) 7...c6 (7...a6 8.d4 ed4 9.Rd4=+) 8.Nh3 (8.d4 Nbd7=) 8...h6 (8...a6 9.bc6 Nc6 10.Qg3=+) 9.g4 (9.d4 Nbd7=) 9...Qd7 (9...a6 10.ba6 Bc8 11.Rg1–/+) 10.g5=+ hg5 11.Ng5 Qg4 (better is 11...a6 12.bc6 Qc6=+) 12.Qf5? (better is 12.Qe3!?=+) 12...Qf5–+ 13.ef5 c5 (13...Ng4 14.Nge4–/+) 14.Rg1 Rh2 15.f3 Nbd7 16.Nce4 Ne4 17.Ne4 Be4?? 18.fe4=+ Bf6 19.Bc4 0–0–0 20.Bf7+/– Rdh8 21.d4?? ed4–/+ 22.c3? Kc7?? 23.cd4+= cd4 24.Kb1 Nc5= 25.Bd4 Ne4=+ 26.Rc1 Kb8 27.Bf6 gf6 (28.Rc2 R2h3=+; < 27...Nf6 28.Rg7 Ne8 29.Be8 Re8 30.Rcg1+=). trex1 – meca, Live Game Caissa's Web, 2005.

3.e4= Be7 4.Bb2 (4.Nc3 Nf6=) 4...Nf6=+ 5.Qe2 (5.Nc3 Nbd7=+) 5...0–0 6.Qe3 h6 (6...Be6 7.Nf3=+) 7.Bc4 (7.Nf3 Be6=+) 7...Nh7 (7...Nbd7 8.Nf3=+) 8.Qf3 (8.Nf3 a6=) 8...Be6 (8...Ng5 9.Qe3=+) 9.Be6= fe6 10.Qb3 (10.Qg4 Qd7 11.Nc3=) 10...c6 (better is 10...Ng5!?=) 11.Qe6+= Kh8 12.Nf3 cb5 13.Nh4?? (better is 13.d4+=) 13...Bh4–+ 14.g3 Qe7 15.Qd5 Bf6 16.g4 a6 17.h4 Bh4 18.Rh4 Qh4 19.Qd6 Nc6 20.Qc7 Qf2 (21.Kd1 Qf1#) 0–1. steelnuts – Troligt, Caissa.com, 2004.

3.e4 f5 4.ef5 Bf5 =.

3.e4 Qh4 4.Nc3 Nf6 5.Nf3 Qh5 6.Be2 (6.d4 ed4 7.Qd4 Nbd7+=) 6...Bg4 (6...Qg6 7.0–0+=) 7.h3 Qh6 (7...Be7 8.d4=) 8.d3 Qh5 9.Bd2 (9.0–0 Bf3 10.Bf3 Qg6+/–) 9...Be7 10.0–0 Bh3 (better is 10...Bc8!?+=) 11.gh3+– Qh3 12.Nh2 0–0 (12...h5!?+/–) 13.Bg4 Qh4 14.Qf3 h5 (14...a6+–) 15.Bh3 Nh7 16.Qg3 (16.Nd5 Bg5 17.Be3 (17.Nc7?! Bd2 18.Qg3 Qg3 19.fg3 Ng5+–) 17...Be3 18.Qe3 (< 18.Ne3 Ng5 19.Qg3 Nh3 20.Kh1 Qg3 21.fg3 Ng5–/+) 18...Qg5 19.Kh1 Qe3 20.fe3+– (20.Ne3?! Nf6+–)) 16...Qf6?? (better is 16...Qg3 17.fg3 Bg5+–) 17.f4 (better is 17.Nd5 Qh4 18.Qh4 Bh4 19.Nc7+–) 17...ef4 18.Rf4 Qe5? (18...Qg5 19.Nf1 Qg3 20.Ng3+–) 19.Bf5 (better is 19.Nf3 Qc5 20.d4+–) 19...g6 20.Bg6 (better is 20.Nf3!? Qg7 21.Bh3+–) 20...fg6+= 21.Qg6 Qg7 22.Rf8 (better is 22.Qg7!? Kg7 23.Nd5 Rf4 24.Nf4+/–) 22...Nf8 23.Qg7 Kg7 24.Nd5 Nbd7?? (better is 24...Bf6+/–) 25.Ne7+– Ne6 (25...a6 26.Bc3 Kf7 27.Nd5+–) 26.Kh1 (26.Rf1 Ne5+–) 26...d5 (26...a6 27.Nf5 Kf7 28.ba6 Ra6 29.Nf3+–) 27.Rg1 Kf6 28.Nd5 Ke5 (28...Kf7 29.Rf1 Ke8 30.Nf3+–) 29.Nc3 (better is 29.Nf3 Kd6 30.Bb4 Ndc5 31.e5 Kd7 32.Bc5+–) 29...Rf8 30.Be3 Nd4 (30...c5 31.Nd5+–) 31.Bd4 (better is 31.Rg5 Kd6 32.Bd4+–) 31...Kd4 32.Ne2 (32.Nd1 Kc5+–) 32...Ke3 33.Re1 (33...Kf2 34.Rf1 Ke2 35.Rg1+/–; better is 33.Rg7 Ke2 34.Rd7+–) 1–0. Recruiter – thebrightside, Live Game Caissa's Web, 2004.

3.Nf3 e4 4.Nd4 Be7 =+.

3.Nf3 Be7 4.Nc3 Nf6 5.e4 Be6 6.Ng5 0–0 7.Ne6 fe6 8.Bd3 d5 9.0–0 a6 10.Re1 d4 11.Nb1 Qd7 12.Qe2 ab5 13.Bb5 c6 14.Bc4 b5 15.Bb3 Na6 16.d3 Bb4 17.Bd2 Bd6 18.a4 Nc5 19.a5 Qd8 20.Ba2 Re8 21.Qf3 Qd7 22.Bb3 Bc7 23.Bb4 Nb7 24.a6 Bd6 25.Bd6 Qd6 26.Nd2 Nc5 27.Nf1 Re7 28.Ra5 Nb3 29.cb3 Qb4 30.Rea1 Qb3 31.Nd2 Qc3 32.Qe2 Rea7 33.Nf3 Qc5 34.Ng5 Re7 35.Qa2 Qd6 36.a7 h6 37.Nf3 Rb7 38.Ra6 Nd7 39.Rc1 Nc5–/+ 40.Rc5 Qc5 41.Qe6 Kh8 42.Qc6 Qc6 43.Rc6 Raa7 44.h4 b4 45.Ne5 b3 46.Nc4 Ra1 47.Kh2 Rc1 48.e5 b2 49.Rc8 Kh7 50.Nb2 Rc8 51.Nd1 Rc1 52.Ne3 de3 53.fe3 0–1. GLChess211 – CometB27, computer chess game, 2000.

3.Nf3 Nf6 4.Nc3 Be7 5.e4 0–0 6.a4 (6.Bc4 Ne4 7.Ne4 d5 8.Ne5 de4=) 6...Bg4 7.h3 Bh5 (7...Be6 8.d4=+) 8.Be2= Bg6 (8...Nbd7=) 9.Nh4 (better is 9.d3!?=) 9...Be4–/+ 10.0–0 d5 (10...a6 11.d3 Bd5 12.Nf5–/+) 11.d3 Bg6 12.Bf3 (12.Ng6 fg6 13.Bg4 Bc5–/+) 12...c6 13.Ng6 (13...fg6 14.Re1–/+). ilmarinens (2295) – jjones (2730), net–chess.com, 2006.

3.Bb2

3.Bb2 (--> 1.b4 e5 2.Bb2 d6 3.b5).

3.Bb2 f5 4.c4 Nf6 5.e3 Be7 6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.b5).

3.Bb2 f5 4.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.b5).

3.Bb2 Nf6 4.c4 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.b5).

3.Bb2 Nf6 4.e3 Be7 5.c4 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.b5).

3.Bb2 Nf6 4.e3 g6 5.c4 Bg7 6.Nf3 0–0 7.Be2 Nbd7 8.d4 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.b5).

3.Bb2 g6 4.e3 Bg7 5.c4 (--> 1.b4 e5 2.Bb2 d6 3.c4 g6 4.e3 Bg7 5.b5).

3.c4 Nd7

4.a4 a6 5.Nc3 Nb6 6.e3 Nf6 7.h3 d5 8.a5 Nc4–/+ 9.Bc4 dc4–+ 10.e4 Bb4 11.Qe2? Bc3 12.dc3 Qd3 13.Qd3 cd3 14.f3 Be6 15.g4 Bc4 16.Bg5 Bb5 17.Bf6 gf6–+ 18.Kd2 Rd8 19.h4 c5 20.Nh3 c4 21.Rhg1 h5 22.g5 Ke7 23.gf6 Kf6 24.Rg5 Rhg8 25.Rg8? Rg8–+ 26.Rg1 Rb8 (27.Rg5 Bd7–+; 26...Rg1!? 27.Ng1 Bd7 28.Kd1–+) 0–1. riverborne – thaiboxer2, Live Game Caissa's Web, 2005.

4.a4 Ngf6 5.a5 =+.

4.Nc3 Ngf6 5.g3 Be7 6.Bg2 0–0 7.d3 Re8 8.e3 Bf8 9.Nge2= Nc5 10.Na4 Na4 11.Qa4 d5 12.cd5 Nd5 13.0–0 Nb6 14.Qc2= a5 15.Bb2 Bd6 16.d4+= ed4 17.Bd4 Qe7 18.Nf4 g5 19.Nh5 Nd7 20.Ng7 Rd8 21.Nf5 Qe6 22.f4 g4 23.Nd6 cd6 24.Rfd1 Nf8 25.Bb6 Re8 26.Qc7 Qf6 27.Rac1 Qb2 28.Qd6 Re6?? 29.Qd8+– Qb5 30.Rc5 Qe8 31.Rg5 Kh8 32.Bd4 (32...f6 33.Qf6 Rf6 34.Bf6#) 1–0. Basman,Michael – Hallier,KH, Surrey, 1980.

4.Nf3 e4 5.Nd4 Ne5 =+.

3.c4 Be6

4.d3 =+.

4.e3 Nf6 5.Nc3 =.

4.e3 g6 5.Bb2 (5.Nf3 Nf6=) 5...Bg7 (5...Nf6 6.Nf3+=) 6.Nf3= Nh6 7.d3 (7.Nc3!?=) 7...0–0 8.Nbd2 f5 (8...a6!?+=) 9.h4= Ng4 10.Be2 h6 11.Qc2 Nd7 12.g3 (12.0–0 Qe7=) 12...c5 (12...a6 13.a4+=) 13.Nh2 Ngf6 14.e4 (14.Nhf3+=) 14...Nh7 (better is 14...a6!?–/+) 15.h5 g5 (15...gh5 16.ef5 Rf5 17.Nhf3=) 16.ef5+= Bf5 17.Bf3 Rb8? (better is 17...Be6 18.Bb7 Rb8+/–) 18.Bd5+– Kh8 19.g4 Nhf6 20.gf5 Nd5 21.cd5 Nb6 22.Qb3 Rf5 23.Ne4 (23.Nhf1 Rf4 24.Ne3 Rb4+–) 23...Rf4 24.Bc1 (24.0–0!? Qg8 25.f3 Rh4 26.Nd6 Rb4+–) 24...Rh4+/– 25.f3 Qd7 (25...Qe8 26.0–0+/–) 26.Bd2 (26.Be3 Qf7 27.0–0 Rf8+/–) 26...Qf7 27.Ke2?? (27.0–0 Nd5 28.Ng4+/– (28.Nd6?! Qh5 29.Ng4 e4 30.de4 Rf8=)) 27...Rf8?? (better is 27...Qh5 28.Raf1 Rh2 29.Rh2 Qh2 30.Rf2 Qh3 31.Nd6 Qd7–/+) 28.Raf1+= Qh5 29.Ng3?? Rh2–+ (29...Rh2 30.Ke1 Qh4 31.Rh2 Qh2–+ (31...Qg3?! 32.Rff2–+)) 0–1. Koster,Jeroen Louis – Mannhart,Marcel (2065), 40th Men Olympiad, 2012.

3.c4 f5

4.e3 Nf6

5.Nf3 Nbd7 A) 6.Bb2 A1) 6...a6 7.Be2 (7.Nc3 Be7 8.Be2 Nc5 9.d4 ed4 10.Qd4 0–0 11.0–0; 7.Qc2 Be7 8.Nc3 0–0 9.Be2 e4 10.Nd4 Nc5 11.0–0) 7...Nc5 8.Nc3 Be7 9.d4 ed4 10.Qd4 0–0 11.0–0; A2) 6...Be7 7.Nc3 (7.Be2 0–0 8.0–0 Nc5 9.d4 ed4 10.Nd4 Qe8 11.Nc3; 7.Qc2 0–0 8.Be2 a6 9.0–0 e4 10.Nd4 Ne5 11.Nc3) 7...0–0 8.Be2 Nc5 9.0–0 a6 10.Qc2 ab5 11.cb5; A3) 6...e4 7.Nd4 (7.Bf6 Nf6 8.Nd4 a6 9.Nc3 ab5 10.cb5 d5 11.Be2) 7...Ne5 8.Nc3 Be7 9.Be2 0–0 10.0–0 c5 11.bc6; A4) 6...Nc5 7.Nc3 (7.Be2 Be7 8.Nc3 0–0 9.0–0 a6 10.Qc2 ab5 11.cb5; 7.d4 ed4 8.Nd4 a6 9.Nc3 Be7 10.Bd3 Nfe4 11.Nd5) 7...Be7 8.Be2 0–0 9.Qc2 a6 10.0–0 ab5 11.cb5; B) 6.Nc3 B1) 6...Be7 7.Be2 (7.Bb2 0–0 8.Be2 Nc5 9.d4 ed4 10.Nd4 Qe8 11.0–0; 7.Qc2 0–0 8.Be2 e4 9.Nd4 Nc5 10.0–0 Qe8 11.f4) 7...0–0 8.0–0 Ne4 9.Bb2 Ndc5 10.d4 ed4 11.Nd4; B2) 6...Ne4 7.Bb2 (7.Be2 Nc3 8.dc3 Be7 9.0–0 0–0 10.h3 Nc5 11.Ba3; 7.Qc2 Nc3 8.Qc3 Be7 9.Ba3 e4 10.Nd4 Nc5 11.Be2) 7...Be7 8.Be2 0–0 9.0–0 Ndc5 10.d4 ed4 11.Nd4; B3) 6...e4 7.Nd4 Nc5 8.Bb2 Be7 9.Be2 0–0 10.0–0 Bd7 11.a4; B4) 6...Nc5 7.d4 (7.Be2 Be7 8.d4 ed4 9.Nd4 Nfe4 10.Nd5 0–0 11.0–0; 7.Qc2 e4 8.Nd4 Be7 9.Be2 0–0 10.0–0 Qe8 11.f4) 7...ed4 8.Nd4 Be7 9.Be2 0–0 10.0–0 Qe8 11.Bf3; C) 6.d4 C1) 6...Be7 7.Nc3 (7.Be2 Ne4 8.Bb2 0–0 9.0–0 Bf6 10.Qc2 a6 11.Nc3; 7.c5 ed4 8.cd6 Bd6 9.Nd4 Ne5 10.Nc3 Ne4 11.Qb3) 7...0–0 8.Be2 Ne4 9.Bb2 Nc3 10.Bc3 e4 11.Nd2; C2) 6...e4 7.Ng5 (7.Nfd2 c5 8.bc6 bc6 9.Nc3 Rb8 10.Be2 Be7 11.Qa4) 7...Nb6 8.Be2 Ng4 9.h4 d5 10.cd5 Nd5 11.Bd2; D) 6.Qc2 D1) 6...Nb6 7.Nc3 (7.a4 Be7 8.Nc3 0–0 9.a5 Nbd7 10.d4 ed4 11.ed4; 7.Be2 Be7 8.Nc3 0–0 9.0–0 Be6 10.d3 a6 11.Ng5) 7...Be7 8.Be2 0–0 9.0–0 Be6 10.d3 a6 11.Ng5; D2) 6...e4 7.Nd4 Nc5 8.Nc3 Be7 9.Be2 0–0 10.0–0 Qe8 11.f4; D3) 6...Nc5 7.Nc3 (7.Be2 Be7 8.0–0 0–0 9.d4 ed4 10.Nd4 Qe8 11.Nc3; 7.d4 e4 8.Nfd2 Ne6 9.Nc3 Be7 10.Be2 0–0 11.0–0) 7...Be7 8.Be2 0–0 9.0–0 e4 10.Nd4 Qe8 11.f4; D4) 6...Be7 7.Be2 (7.Nc3 0–0 8.Be2 Nc5 9.0–0 e4 10.Nd4 Qe8 11.f4; 7.Bb2 e4 8.Nd4 Ne5 9.Nc3 0–0 10.Be2 a6 11.f4) 7...0–0 8.Bb2 a6 9.Nc3 ab5 10.cb5 e4 11.Nd4; E) 6.Be2 E1) 6...Nc5 7.Nc3 (7.Bb2 Be7 8.Nc3 0–0 9.0–0 a6 10.Qc2 ab5 11.cb5; 7.0–0 Be7 8.Nc3 0–0 9.Bb2 a6 10.Qc2 ab5 11.cb5) 7...Be7 8.Bb2 0–0 9.0–0 a6 10.Qc2 ab5 11.cb5; E2) 6...e4 7.Nd4 Ne5 8.Nc3 Be7 9.f4 ef3 10.gf3 f4 11.Qc2; E3) 6...a6 7.Nc3 (7.0–0 Be7 8.Nc3 0–0 9.d4 Ne4 10.Bb2 Nc3 11.Bc3; 7.Bb2 Be7 8.Nc3 Nc5 9.d4 ed4 10.Qd4 0–0 11.0–0) 7...Be7 8.0–0 0–0 9.d4 Ne4 10.Bb2 Nc3 11.Bc3; E4) 6...Be7 7.0–0 (7.Bb2 0–0 8.0–0 Nc5 9.d4 ed4 10.Nd4 a6 11.Nc3; 7.Nc3 0–0 8.0–0 Nc5 9.Bb2 a6 10.Qc2 ab5 11.cb5) 7...Nc5 8.Nc3 0–0 9.Bb2 Bd7 10.Qc2 Qe8 11.d4.

5.Nf3 e4 A) 6.Ng5 A1) 6...Ng4 7.Nh3 (7.h3 Nf2 8.Kf2 Qg5 9.Nc3 c6 10.d4 Be7 11.Be2; 7.f3 Qg5 8.fg4 Be7 9.Be2 0–0 10.0–0 Nd7 11.Nc3) 7...Nd7 8.Nf4 Nc5 9.Bb2 Bd7 10.Be2 a6 11.0–0; A2) 6...h6 7.Nh3 Nbd7 8.Nf4 Ne5 9.Nc3 g5 10.Nfd5 Bg7 11.h4; A3) 6...Be7 7.Nc3 (7.Be2 0–0 8.Nc3 h6 9.Nh3 Nbd7 10.Nf4 Nc5 11.0–0; 7.Bb2 Ng4 8.Nh3 0–0 9.Nf4 Bg5 10.Nc3 Bf4 11.ef4) 7...0–0 8.d4 Ng4 9.Nh3 c5 10.dc5 dc5 11.Qd5; B) 6.Nd4 B1) 6...Be7 7.Nc3 (7.Be2 c5 8.bc6 Nc6 9.Qb3 d5 10.0–0 Na5 11.Qc2; 7.Na3 0–0 8.Be2 c5 9.bc6 bc6 10.Rb1 c5 11.Ndb5) 7...c5 8.bc6 Nc6 9.Qb3 Na5 10.Qc2 0–0 11.Be2; B2) 6...c5 7.Ne2 (7.bc6 Nc6 8.Qb3 Nd4 9.ed4 Be7 10.Nc3 Kf7 11.Be2; 7.Nb3 Be7 8.Nc3 0–0 9.d4 a6 10.Be2 ab5 11.Nb5) 7...Nbd7 8.Nbc3 Ne5 9.Nf4 Bd7 10.Bb2 Be7 11.Be2.

5.Nf3 Be7 A) 6.Be2 A1) 6...0–0 7.Nc3 (7.0–0 e4 8.Nd4 c5 9.bc6 Nc6 10.Qb3 Bd7 11.Nc3) 7...e4 8.Nd4 c5 9.bc6 bc6 10.c5 dc5 11.Qb3; A2) 6...e4 7.Nd4 (7.Ng5 0–0 8.Nc3 a6 9.d4 ed3 10.Bd3 h6 11.Nf3) 7...c5 8.bc6 Nc6 9.Qb3 0–0 10.Nc3 Na5 11.Qc2; B) 6.Bb2 B1) 6...0–0 7.c5 (7.Nc3 e4 8.Nd4 c5 9.Nde2 Nbd7 10.Nf4 Ne5 11.Be2; 7.Be2 e4 8.Nd4 c5 9.bc6 bc6 10.0–0 c5 11.Nb3) 7...Nbd7 8.cd6 cd6 9.Nc3 Nc5 10.d4 ed4 11.Nd4; B2) 6...c6 7.Be2 (7.Nc3 e4 8.Ng5 Ng4 9.f4 h6 10.Nh3 0–0 11.Be2; 7.Qc2 e4 8.Nd4 0–0 9.Nc3 a6 10.bc6 Nc6 11.Be2) 7...0–0 8.Nc3 e4 9.Ng5 h6 10.Nh3 Nbd7 11.0–0; B3) 6...e4 7.Nd4 (7.Ng5 0–0 8.Be2 c6 9.Nc3 h6 10.Nh3 Nbd7 11.0–0) 7...0–0 8.Be2 c5 9.bc6 bc6 10.Nc3 c5 11.Nb3; C) 6.Nc3 C1) 6...0–0 7.c5 (7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.Rb1 Nd4 11.ed4; 7.d4 e4 8.Ng5 c5 9.Be2 h6 10.Nh3 cd4 11.Qd4) 7...Nbd7 8.Bc4 Kh8 9.cd6 cd6 10.0–0 Nb6 11.Bb3; C2) 6...Nbd7 7.Be2 (7.Bb2 0–0 8.Be2 Nc5 9.0–0 Bd7 10.d4 ed4 11.Qd4; 7.d4 Ne4 8.Bb2 Nc3 9.Bc3 e4 10.Nd2 Nf6 11.Be2) 7...0–0 8.0–0 Nc5 9.Bb2 Bd7 10.d4 ed4 11.Qd4; C3) 6...Ne4 7.Bb2 (7.Qc2 Nc3 8.Qc3 Be6 9.Be2 Nd7 10.0–0 0–0 11.Qc2; 7.Nd5 0–0 8.d3 Nf6 9.Ne7 Qe7 10.Be2 a6 11.0–0) 7...0–0 8.Qc2 Nd7 9.Be2 Ndc5 10.d4 ed4 11.Nd4; C4) 6...e4 7.Ng5 (7.Nd4 c5 8.bc6 Nc6 9.Qb3 0–0 10.Be2 Na5 11.Qc2) 7...Ng4 8.Nh3 Nd7 9.Nf4 Nc5 10.Be2 0–0 11.0–0.

5.Nf3 g6 6.Bb2 Bg7 (6...e4 7.Ng5 (7.Nd4 c5 8.bc6 Nc6 9.Be2 Qb6 10.Qb3 Be7 11.0–0) 7...Bg7 8.Nc3 Ng4 9.h3 Qg5 10.hg4 0–0 11.Qc2; 6...Bh6 7.Nc3 (7.Be2 0–0 8.Nc3 Nbd7 9.0–0 Qe7 10.h4 Nc5 11.d4; 7.h4 0–0 8.Be2 Nbd7 9.Nc3 Nc5 10.0–0 Qe7 11.d4) 7...0–0 8.Be2 Qe7 9.0–0 Nbd7 10.h3 a6 11.ba6; 6...Nbd7 7.Nc3 (7.Be2 Bg7 8.Nc3 0–0 9.0–0 Nc5 10.d4 ed4 11.ed4; 7.d4 Bg7 8.Be2 ed4 9.ed4 0–0 10.Nc3 Ne4 11.0–0) 7...Bg7 8.Be2 0–0 9.0–0 Nc5 10.d4 ed4 11.ed4) 7.Be2 (7.Nc3 Nbd7 8.Be2 0–0 9.0–0 Nc5 10.Qc2 Bd7 11.d4; 7.d3 0–0 8.Nc3 Nbd7 9.Be2 Nc5 10.0–0 Bd7 11.d4) 7...Be6 (7...0–0 8.Nc3 Nbd7 9.0–0 Nc5 10.d4 ed4 11.ed4) 8.0–0 (8.Ng5 Qe7 9.Nc3 0–0 10.0–0 Nbd7 11.d4) 8...Ng4 (8...Nbd7 9.Ng5 Bg8 (9...Qe7 10.Nc3 0–0 11.d4) 10.d4= (10.Nc3 h6 11.Nf3) 10...h6 11.Nf3; 8...0–0 9.Ng5 Re8 10.Nc3 Nbd7 11.d4) 9.h3+/= h5 (9...Nh6+= 10.Nc3 0–0 11.Qc2) 10.h4 (10.Nc3 a6+/– (10...Nd7 11.Qc2) 11.c5; 10.c5 Nh6 11.Qc2) 10...Qe7 (10...Bf6 11.Ng5+= (11.g3=)) 11.Ng5+/= (11.Nc3+/–) 11...Nd7 12.Nc3 (12.Ne6?? is suicide 12...Qh4 (12...Qe6?! 13.Qc2=) 13.Bg4 hg4 14.Ng7 Kf7–+) 12...Bf6 13.f4 (13.Ne6 Qe6 14.f3 Nh6+=) 13...Bg5 (13...Nb6 14.Ne6 Qe6 15.Nd5 Nd5 16.cd5=) 14.fg5 Rf8 15.g3 (15.Nd5!? Bd5 16.cd5=) 15...0–0–0 16.a4 Nb6 17.Qb3 (better is 17.Bg4 fg4 18.d3+=) 17...d5 (better is 17...Qf7+= and Black is still in the game) 18.Ba3+/– Qf7 19.Bf8 Nc4 20.Qc2 (20.Bg4 Qf8 21.Bf5 Bf5 22.Rf2+/–) 20...Nce3? (better is 20...Rf8!? would keep Black in the game 21.Bg4 hg4=) 21.de3+/– Ne3 22.Qd3 d4? (22...Nf1 23.Bb4 e4+–) 23.Bb4+/– Bc4 24.Qd2 Nf1 25.Bf1 dc3 26.Qc3 Bf1 27.Rf1 (27.Kf1?! f4 28.Bc5 fg3 29.Kg2 b6=) 27...e4 28.Qe3 (better is 28.Rc1+/–) 28...b6?? (better is 28...Rd3 was necessary 29.Qa7 Rg3 30.Kh2 Qc4 31.Kg3 Qf1 32.Qa8 Kd7=) 29.Qe4+–! Kb8 (29...fe4 30.Rf7 Deflection Pinning) 30.Qe7 Qd5 31.Rf2 Qd4 (31...Rd7 32.Qe3+–) 32.Qe1 (better is 32.Bd2!? and White can already relax 32...Rc8+–) 32...Rd5 33.Bc3 Qa4?? (33...Qc5 34.Kg2 Kb7+–) 34.Qe8 Rd8 (34...Kb7 what else? 35.Qc6 Kc8 36.Qd5 Qe4 37.Qe4 fe4+–) 35.Qd8 Kb7 36.Qd5 Kc8 37.Rd2 (37.Qa8 Kd7 38.Rd2 Qd4 39.Rd4 Ke7 40.Qd8 Kf7 41.Qc7 Kg8 42.Rd8) 37...Qe4 38.Qe4 fe4 39.Kf2+– 1–0. Hoelldorfer,August – Benzinger,Alfred, Bayern–ch Seniors, 1994.

5.Nf3 g6 6.Nc3 A) 6...Nbd7 7.Be2 (7.d4 Bg7 8.Ng5 Nb6 9.Be2 Ng4 10.Nf3 e4 11.Nd2; 7.Ba3 Bg7 8.Be2 0–0 9.0–0 Ne4 10.Qc2 Nc3 11.Qc3) 7...Bg7 8.0–0 Ne4 9.Bb2 0–0 10.Qc2 Ndc5 11.d4; B) 6...Bh6 7.Ba3 (7.Be2 0–0 8.Bb2 Qe7 9.h4 e4 10.Nd4 c5 11.bc6; 7.Bb2 0–0 8.Be2 e4 9.Nd4 c5 10.bc6 Nc6 11.Na4) 7...Nbd7 8.Be2 0–0 9.0–0 a6 10.Bb4 Qe7 11.Qc2; C) 6...Bg7 7.Be2 (7.Qc2 e4 8.Nd4 0–0 9.Be2 c5 10.bc6 bc6 11.Qa4; 7.Qb3 Nbd7 8.Ba3 e4 9.Nd4 Nc5 10.Qc2 a6 11.Bb4) 7...Nbd7 8.Ba3 Ne4 9.0–0 0–0 10.Qc2 Nc3 11.Qc3; D) 6...e4 7.Nd4 (7.Ng5 Bg7 8.Be2 0–0 9.Qb3 h6 10.c5 d5 11.Nh3) 7...c5 8.bc6 Nc6 9.Be2 Nd4 10.ed4 Bh6 11.0–0.

5.Nf3 g6 6.Be2 A) 6...Bh6 7.d4 (7.Nc3 0–0 8.Qc2 e4 9.Nd4 c5 10.bc6 Nc6 11.Rb1; 7.0–0 0–0 8.Nc3 Be6 9.Bb2 Nbd7 10.d4 e4 11.Nd2) 7...Nbd7 8.0–0 e4 9.Nfd2 0–0 10.Nc3 Qe7 11.a4; B) 6...e4 7.Nd4 (7.Ng5 h6 8.Nh3 Nbd7 9.Nf4 Ne5 10.Bb2 Kf7 11.h4) 7...c5 8.bc6 Nc6 9.Nc3 Nd4 10.ed4 Bh6 11.0–0; C) 6...Nbd7 7.0–0 (7.Nc3 Bg7 8.Ng5 Nc5 9.d4 Ne6 10.Ne6 Be6 11.0–0; 7.Qc2 Bg7 8.Nc3 e4 9.Nd4 Nc5 10.0–0 0–0 11.Bb2) 7...Bg7 8.Nc3 0–0 9.Qc2 e4 10.Nd4 Nc5 11.Bb2; D) 6...Bg7 7.Nc3 (7.0–0 0–0 8.Nc3 Nbd7 9.Qc2 e4 10.Nd4 Nc5 11.Bb2; 7.Bb2 e4 8.Nd4 c5 9.bc6 Nc6 10.Qb3 0–0 11.0–0) 7...Nbd7 8.0–0 0–0 9.Qc2 Qe7 10.d4 a6 11.ba6.

3.e4 Bd7

4.Nc3 a6 5.Nf3 ab5 6.Bb5 Bb5 7.Nb5 Qd7 8.Nc3 Nf6 9.0–0 Be7 10.Rb1 b6 11.d4 ed4 12.Nd4 0–0 13.Nf5 Nc6 14.Nd5 Nd5? (better is 14...Rfd8+=) 15.Qg4+– (15.Qd5?! Bf6=+) 15...g6?? (better is 15...Qf5 16.ef5 Nc3+–) 16.Nh6 Kg7 17.Qd7 (17.ed5?! Ne5 18.Qd7 Nd7=) 17...Ne5 18.Bb2 (18.ed5?! Nd7 19.a3 Rfe8=) 18...Rad8 19.Be5 (better is 19.Qc6! Nf6 20.Qc7 Rfe8+–) 19...de5 20.Qg4 (20.ed5 Rd7 21.Ng4 Rd5–+) 20...Nf4 (20...Kh6 21.ed5 Rd5+–) 21.Nf5 Kf6 22.Qh4 Ke6 (22...g5 23.Qh7 Ng6+–) 23.Qe7# 1–0. b4_player (2215) – seyyit (1610), GameColony.com, 2003.

4.Bc4 a6 5.Qf3 Qe7 6.Nc3 =+.

4.Bc4 h6 5.a4 Nf6 6.Bd5 (better is 6.Nc3=) 6...c6–/+ 7.bc6 (better is 7.Bc4 Ne4 8.Nf3–/+) 7...Bc6 (better is 7...bc6!? 8.Ba2 Ne4–/+) 8.Bc6 Nc6 9.Ba3 (9.Nc3!?=+) 9...Ne4–/+ 10.Nc3 (10.Ne2 Be7–/+) 10...Nc3 (10...Qh4 11.Ne4 Qe4 12.Kf1–+) 11.dc3 Be7 (11...Qa5 12.Ne2–+) 12.Qd5 (12.Nf3 Qa5 13.0–0 Qc3–/+) 12...0–0 (12...Qa5 13.Qa5 Na5 14.Nf3–+) 13.Nf3 (13.Rd1 Qc8 14.Ne2 Qg4–/+) 13...Rb8 (13...Qa5 14.Qa5 Na5 15.Bb4–+) 14.h4 (14.0–0!?–/+) 14...Qd7 15.h5 (15.0–0 Qf5–+) 15...Rfd8 (15...Qg4 16.0–0–+) 16.Rh3 (16.a5 Qc7–+) 16...Qf5 17.Rc1 Qg4 18.Rd1 Qg2 19.Rg3 Qh1 20.Ke2 Qh5 21.Rd3 Qh1 22.Rg1?? Qh5 23.Re3?? (23...Bg5 24.Re4–+; 23.Rg3 Bg5 24.Qe4–+). manofsteel5 – maqui, Live Game Caissa's Web, 2005.

3.e4 Nf6

4.Nc3 c6 5.bc6 bc6 6.Bc4 Be6 7.Be6= fe6 8.Nf3 Be7 9.0–0 0–0 10.a4 Na6 11.d3 h6 12.Ne2 Qc7. Zamoht – brawn, ChessWorld.net, 2005.

4.Nc3 Be6 5.a4 Be7 6.Ba3 0–0 7.Nf3 Nbd7 8.d4 ed4 9.Nd4 a6 10.Bd3 Ne5 11.0–0 Nd3 12.cd3 Bd7 13.Rc1 c5 14.bc6= bc6 15.Nce2 c5=+ 16.Nf3 Bc6 17.Nc3 Qd7 18.Re1 Rfe8 19.d4 cd4 20.Qd4 Rad8 21.h3 Bf8 22.Rcd1 Qc7 23.Ng5 h6 24.Nd5?? Nd5?? 25.ed5=+ Re1 26.Re1 Bb7 27.Ne4= Qa5 28.Nc3 Qc7 29.Rc1 Qe7 30.Qb6 Qd7 31.Rb1+= Rb8 32.Qd4 Rd8 33.a5 g6? 34.Ne4+– Bg7 35.Qb6 Rb8?? 36.Bd6+– Re8 37.Nc5 Bd4 38.Qb7 Qb7?? 39.Nb7 (39...f5 40.Rd1+–) 1–0. michaelanthony – Queenwomen, ChessWorld.net, 2005.

4.Nc3 Be7 5.Bc4 0–0 6.Nge2 c6 7.0–0 (7.bc6 Nc6 8.d3 Be6+=) 7...cb5 (7...d5!? 8.ed5 cd5–/+) 8.Bb5= a6 9.Ba4 h6 10.f4 ef4 11.Rf4 Nbd7 12.d4 Nh7 (12...b5 13.Bb3=) 13.Rf1 b5 14.Bb3 Bb7 15.d5 (15.Nf4 Nhf6 16.Qd3 Rc8+=) 15...Ne5 16.Bb2 Bg5 17.Ng3 Bc8 18.Qe1 g6 (18...Nf6 19.Nf5 Qb6 20.Kh1 Bf5 21.Rf5=) 19.Rd1 Bg4 20.Rd4 Qb6 21.Nce2 Be3 22.Kh1 Be2 23.Ne2 Bd4 24.Bd4 Qc7 25.Nf4 a5 (25...Qe7 26.Nd3–/+) 26.c3 (better is 26.Be5!? a4 27.Bd4 ab3 28.cb3+=) 26...a4–/+ 27.Bc2 Ng5 28.Qg3 Qc4 29.Kg1 (better is 29.Ra1!? b4 30.h4 bc3 31.Qc3–+) 29...Qa2–+ 30.Bd3 Nd3 (30...Qd2 31.Qh4 a3 32.Be2–+) 31.Nd3 Ne4?? (31...Rae8 32.Qf4 Re4 (32...Ne4 33.Qh6 f6 34.Qg6 Kh8 35.Qh6 Kg8 36.Re1=) 33.Qd6 Rg4–+) 32.Qf4= Ng5?? (better is 32...Qd2 33.Qe4 a3=) 33.Qf6 1–0. dusterstar (1665) – pertz, gameknot.com, 2011.

2.b5 e4

3.b6 ab6–/+ 4.Nc3 (4.d4 d5–/+) 4...d5 5.d4 (5.Bb2 Nf6–/+) 5...f5 (5...Nf6 6.Rb1–+) 6.f4 (6.Rb1 Nf6–/+) 6...c5 (6...Bb4 7.Bb2–+) 7.Be3 (better is 7.e3 Nf6 8.Bb5 Nc6 9.Nge2–/+) 7...Qf6 (7...Nf6!? 8.Nb5–+) 8.Nb5 (8.Nd5 Qc6 9.c4 Be6 10.dc5 bc5=+) 8...Bd6 (8...Qc6 9.a4 Nf6 10.Bd2–+) 9.c3 (9.c4 Ne7–/+ (9...dc4 10.dc5 Bc5 11.Bc5 bc5 12.Nc7 Kf7 13.Na8 Qc3 14.Kf2=)) 9...Bd7 (better is 9...Ne7–/+) 10.Nc7?? (better is 10.Nd6 Qd6 11.Qb3–/+) 10...Bc7–+ 11.g3 Nc6 12.dc5 Qc3 13.Bd2 Qc5 14.Rc1 Qa3 15.e3 Qa2 16.Be2 h6 17.Bh5 Kd8 18.Ne2 g5 19.0–0 gf4 20.Nc3 Qb2 21.Rb1 Qa3 22.Nd5 (22...fg3 23.Bc3–+). Jolilein – Gno, mySchach.de, 2005.

3.Nc3!? Nf6 4.d3 =+.

3.e3 d5 4.Bb2 (--> 1.b4 e5 2.Bb2 e4 TESTH 3.e3 d5 4.b5).

3.e3 Nf6 4.Bb2 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5).

3.Bb2

3.Bb2 (--> 1.b4 e5 2.Bb2 e4 3.b5).

3.Bb2 d5 4.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 d5 4.b5).

3.Bb2 d5 4.e3 Nf6 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5).

3.Bb2 Nf6 4.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5).

3.c4 d5

4.cd5 Qd5 5.Nc3 Qe5 6.e3 =.

4.cd5 Qd5 5.Nc3 Qe6 6.e3 (6.Qa4 Nf6 7.b6 Nbd7 8.bc7 Bd6=) 6...Bd7 (6...Nf6 7.d3=) 7.Nge2 Bd6 8.d3 ed3 (8...Nf6 9.Nd4 Qe7 10.de4 Ne4 11.Ne4 Qe4 12.Be2=) 9.Nd4 Qf6 (9...Qe7 10.Bd3 c5 11.Nf5 Bf5 12.Bf5+=) 10.Bd3+= Bb4 (10...Be5 11.Bb2+=) 11.Bb2+/– c6 (11...c5 12.Nde2+/–) 12.0–0 Ne7 13.Qh5 g6? (better is 13...Ng6+/–) 14.Ne4+– gh5 (14...Qd4 15.Qe2 Qb6 16.Bh8 Nd5+–) 15.Nf6 Kd8 16.Nc2 a5 (16...Be6 17.Nb4 cb5 18.Nh5+–) 17.ba6 (17.Nd7 Rg8 18.Nf6 Rg5+–) 17...ba6 (17...Na6 18.Nd7 Kd7 19.Bh8 Rh8 20.Ba6 ba6 21.Nb4+–) 18.Nd7 Rg8 (18...Nd7 19.Bh8 Bd6 20.Rab1+–) 19.Nb6 Ra7 20.Nb4 Rb7 21.Bd4 Nd7 (21...Rg4 22.f4 a5 23.Nc2+–) 22.Nd7 Kd7 (22...Rb4 23.Nc5+–) 23.Na6 Ra7 (23...Ke8+–) 24.Ba7 1–0. Baumann,Heinz (2355) – Linder,Peter (1855), remoteschach.de, 2003.

4.cd5 Qd5 5.Nc3 Qf5 6.Qa4 c6 (6...Nf6!?=+) 7.Qe4 Qe4 8.Ne4 cb5 9.Nc3 b4 10.Nd5 Nc6?? (better is 10...Bd6 11.Bb2 f6+=) 11.Nc7+– Kd8 12.Na8 Nf6 13.Nf3 Ne4 14.Bb2 Bc5 (14...Be6 15.e3+–) 15.e3 (< 15.Bg7 Bf2 16.Kd1 Rg8+–) 15...b6 (15...f6 16.d4 Bd6 17.Bd3+–) 16.d4 (16.Bb5 Bb7 17.Bg7 Re8+–) 16...Bd6 17.d5 Na5 18.Bg7 Rg8 19.Bd4 (19.Be5 Bg4 20.Bd6 Nd6+–) 19...b3 (19...Bb7 20.Bd3 Bd5 21.Nb6 ab6 22.Bb6 Bc7 23.Bc7 Kc7 24.Rg1+–) 20.Bd3 Nf6 (20...Bf5 21.ab3 Rg2 22.Bf6 Nf6 23.Bf5 Ke7+–) 21.Bf6 Ke8 22.Rc1 (better is 22.ab3!? Rg2 23.Bh7 Bb7+–) 22...Bb7 23.Nc7 Kf8 (23...Bc7 24.Rc7 Rg2 25.Bb5 Kf8 26.Rd7 Rg1 27.Rg1 Nc6 28.dc6 Bc6 29.Rd8 Be8 30.Re8) 24.Bh7 (24.Ng5 Rg5 25.Bg5 ba2 26.Bh6 Kg8+–) 24...Rg2 25.Nh4 (25.Kf1 Rg4 26.Bf5 Rg8+–) 25...Rg4 (25...Rh2 26.Rh2 Bh2 27.ab3+–) 26.Nf5 (26.ab3 Nb3 27.Nf5 Bb4 28.Ke2 Nc1 29.Rc1 Bc8+–) 26...Bb4 27.Ke2 ba2 28.Rhg1 (better is 28.Ra1 Nc4+–) 28...Rg1 (28...Nb3 29.Rg4 Ba6 30.Kd1 Be2 31.Ke2 Nc1 32.Kd1 a1Q 33.Rg8) 29.Rg1 Ba6 30.Kf3 (30...Be2 31.Ke2 a1Q 32.Rg8) 1–0. Taulien,Hans_Juergen – Orion,Martin, remoteschach.de, 2002.

2.b5 Qe7

3.Ba3 d6 A) 4.Nf3 Nf6 (4...a6 5.e3 Nf6 6.Bb2 ab5 7.Bb5 c6 8.Be2 Nbd7 9.Nc3 g6) 5.Nc3 a6 6.e3 ab5 7.Nb5 e4 8.Nfd4 Nc6 9.Bb2 Ne5; B) 4.e3 a6 (4...Nf6 5.Nf3 a6 6.ba6 Na6 7.Nc3 c6 8.Be2 Nc7 9.Qc1 c5) 5.Nc3 Nf6 6.ba6 Na6 7.Nf3 c6 8.Be2 b5 9.Bb2 Nc7; C) 4.d4 Nf6 (4...a6 5.Nc3 Nf6 6.de5 Qe5 7.Bb2 ab5 8.Nf3 Qc5 9.e3 Bd7; 4...e4 5.Nc3 Nf6 6.Bb4 a6 7.a4 e3 8.fe3 Qe3 9.Qd3 Qd3; 4...ed4 5.Nf3 a6 6.Nd4 ab5 7.Nb5 Nc6 8.N1c3 Nf6 9.e3 g6) 5.Nc3 a6 6.de5 Qe5 7.Bb2 ab5 8.Nf3 Qc5 9.e3 Bd7; D) 4.c4 a6 5.Qa4 Nd7 6.b6 c6 7.Nc3 Ngf6 8.Nf3 Nb6 9.Qb3 Nbd7; E) 4.Bb4 a6 (4...c5 5.Ba3 a6 6.Nc3 ab5 7.Nb5 Nc6 8.Bb2 Nf6 9.Nf3 g6) 5.e3 ab5 6.Nc3 Nf6 7.Nb5 Nc6 8.Bc3 g6 9.Nf3 Bg7; F) 4.Bb2 Nf6 (4...Nd7 5.Nc3 Ngf6 6.Nf3 g6 7.e3 Bg7 8.Bc4 0–0 9.0–0 e4; 4...Be6 5.Nc3 Nf6 6.Nf3 Nbd7 7.e3 d5 8.Be2 Qb4 9.a3 Qb2; 4...a6 5.e3 Nf6 6.Nf3 c6 7.bc6 Nc6 8.Nc3 e4 9.Ng5 d5; 4...Bf5 5.Nc3 Nf6 6.e3 d5 7.Nf3 Nbd7 8.Be2 Qb4 9.Qb1 Be7; 4...Bg4 5.Nc3 Nf6 6.Nf3 Nbd7 7.h3 Be6 8.Ng5 d5 9.e3 h6) 5.Nc3 Be6 6.Nf3 Nbd7 7.e3 0–0–0 8.Be2 h6 9.a4 g5; G) 4.Nc3 Nf6 (4...a6 5.Nd5 Qd8 6.b6 cb6 7.e4 Nf6 8.Nf3 Ne4 9.Bd3 Nf6) 5.e3 a6 6.Qc1 e4 7.ba6 Na6 8.Nge2 c6 9.Nd4 Nc7.

3.a4 a6 A) 4.c4 Qe6 (4...Nf6 5.Nc3 e4 6.Nh3 ab5 7.cb5 d5 8.d4 Bh3 9.gh3 Nbd7; 4...e4 5.Nc3 Nf6 6.e3 d6 7.Nge2 Nbd7 8.Nd4 Nc5 9.Bb2 g6; 4...ab5 5.cb5 Nf6 6.Nc3 d5 7.Nf3 d4 8.Ba3 Qd8 9.Bf8 Kf8; 4...b6 5.Nc3 Nf6 6.Ba3 Qe6 7.Bf8 Kf8 8.e3 Bb7 9.Nf3 g6; 4...d6 5.Nc3 Nf6 6.Nf3 Nbd7 7.a5 e4 8.Nd4 Nc5 9.e3 g6) 5.Nc3 Nf6 6.Nf3 Bc5 7.e3 ab5 8.cb5 e4 9.Nd4 Bd4; B) 4.Bb2 ab5 (4...Nf6 5.Nc3 d5 6.Nf3 d4 7.Na2 ab5 8.ab5 c5 9.bc6 Nc6; 4...d5 5.Nf3 e4 6.Nd4 Nf6 7.e3 c5 8.Nb3 c4 9.Nd4 ab5; 4...d6 5.Nf3 Nf6 6.Nc3 e4 7.Ng5 Nbd7 8.ba6 ba6 9.f3 d5) 5.ab5 Ra1 6.Ba1 d5 7.Nf3 Nd7 8.e3 Ngf6 9.Be2 Qe6; C) 4.Nc3 ab5 5.Nb5 d6 6.d4 ed4 7.Nf3 Nf6 8.Nfd4 Nc6 9.e3 Nd4; D) 4.e3 Nf6 (4...ab5 5.Bb5 Nf6 6.Ba3 Qe6 7.Nf3 Ba3 8.Na3 Nc6 9.Nc4 d6; 4...Qe6 5.Bb2 ab5 6.ab5 Ra1 7.Ba1 d5 8.g3 Nd7 9.Bh3 f5) 5.Ba3 Qe6 6.Bf8 Kf8 7.Nc3 d5 8.Nf3 d4 9.Ne2 c5; E) 4.Ba3 Qf6 (4...d6 5.Nc3 Nf6 6.Nf3 e4 7.Nd4 c5 8.bc6 bc6 9.e3 c5; 4...Qe6 5.Bf8 Kf8 6.Nc3 d5 7.e4 de4 8.Ne4 Nf6 9.Nf6 Qf6) 5.Bf8 Kf8 6.Nc3 Ne7 7.e4 d6 8.Nf3 g6 9.Bc4 Kg7.

3.a4 d5 A) 4.Nf3 e4 (4...Nf6 5.e3 c5 6.Bb2 e4 7.Ne5 Qe6 8.f4 Nbd7 9.c4 d4; 4...Nd7 5.Nc3 Ngf6 6.Ba3 Qe6 7.Bf8 Kf8 8.e3 Qd6 9.Qc1 Nc5) 5.Nd4 Qe5 6.Bb2 c5 7.bc6 Nc6 8.e3 Bc5 9.Bb5 Bd7; B) 4.e3 Nf6 (4...Nd7 5.Nf3 Ngf6 6.Be2 Qe6 7.Nc3 Bb4 8.0–0 0–0 9.h3 Bc3; 4...c5 5.c4 d4 6.d3 Nf6 7.Nf3 g6 8.ed4 ed4 9.Be2 Bg7; 4...Qe6 5.Nf3 Nf6 6.Be2 Nbd7 7.Nc3 Bb4 8.0–0 0–0 9.Bb2 h6) 5.Be2 a6 6.Ba3 Qe6 7.Nf3 ab5 8.Bb5 Nc6 9.Bf8 Kf8; C) 4.h4 Bg4 (4...Nf6 5.Ba3 Qe6 6.Bf8 Kf8 7.e3 c5 8.Nf3 h6 9.g3 Qe7; 4...Nd7 5.Ba3 Qf6 6.Bf8 Kf8 7.Nc3 Ne7 8.e3 h5 9.Nge2 g6; 4...h6 5.Nc3 Nf6 6.Ba3 Qe6 7.g3 Ba3 8.Bh3 Ng4 9.Bg4 Qg4; 4...Bf5 5.Nc3 Nf6 6.Nf3 d4 7.e4 Be6 8.Nd5 Nd5 9.ed5 Bd5) 5.Nc3 Nf6 6.f3 Be6 7.e3 d4 8.Ba3 Qd8 9.Bf8 Kf8; D) 4.Ba3 Qf6 (4...Qe6 5.Bf8 Kf8 6.Nf3 Nf6 7.e3 c5 8.d3 Nbd7 9.Nc3 d4) 5.Bf8 Kf8 6.Nc3 Ne7 7.e3 Nd7 8.Nf3 g5 9.h3 Kg7; E) 4.a5 Nd7 (4...Nf6 5.Nf3 Nbd7 6.Nc3 d4 7.Na4 Qb4 8.e3 de3 9.fe3 Qg4; 4...Qe6 5.g3 Bc5 6.Nc3 Nd7 7.Bh3 Qf6 8.e3 Ne7 9.Nge2 e4; 4...c5 5.c4 d4 6.d3 f5 7.Nd2 Nf6 8.e4 de3 9.fe3 g6; 4...Qf6 5.e3 Bc5 6.Bb2 Ne7 7.Nf3 Nd7 8.Be2 0–0 9.0–0 d4; 4...d4 5.Nf3 Nf6 6.Na3 Nbd7 7.e3 de3 8.fe3 e4 9.Nd4 Ne5) 5.Nc3 d4 6.Na4 Ngf6 7.Ba3 Qd8 8.Bf8 Nf8 9.e3 de3; F) 4.d3 Bf5 (4...h6 5.Nf3 Nf6 6.Bb2 Nbd7 7.g3 Qe6 8.Bg2 Bd6 9.Nbd2 0–0; 4...Nf6 5.Nf3 Nbd7 6.e3 Qe6 7.Be2 Bd6 8.Nc3 0–0 9.0–0 Nc5; 4...Nd7 5.Ba3 Qe6 6.Bf8 Kf8 7.Nf3 Ngf6 8.Nc3 g6 9.g3 Qe7; 4...Be6 5.Nf3 Nd7 6.Bb2 Qb4 7.Bc3 Qd6 8.Nbd2 Ngf6 9.e3 Qc5 ) 5.h3 Nd7 6.g4 Bg6 7.Bg2 e4 8.Nc3 0–0–0 9.Qd2 Qe5; G) 4.Nc3 d4 (4...Nf6 5.Nf3 d4 6.Na2 a6 7.e3 Bf5 8.Bb2 Nbd7 9.ed4 ed4) 5.Ba3 Qe6 6.Bf8 Kf8 7.Ne4 Nf6 8.Nf6 Qf6 9.e3 Nd7.

3.a4 d6 A) 4.Nf3 Nd7 (4...Nf6 5.Nc3 Nbd7 6.a5 Nc5 7.Bb2 g6 8.d4 ed4 9.Qd4 Be6; 4...e4 5.Nd4 c5 6.bc6 Nc6 7.e3 Qg5 8.h4 Qe5 9.Bb5 Nf6; 4...Be6 5.Nc3 Nd7 6.g3 Ngf6 7.Bg2 d5 8.Ng5 h6 9.Ba3 Qd8) 5.Nc3 Ngf6 6.g3 e4 7.Nd4 Qe5 8.e3 Nc5 9.Bg2 Be7; B) 4.g3 Nf6 (4...Nd7 5.Nc3 Ngf6 6.Nf3 e4 7.Nd4 Qe5 8.e3 Nc5 9.Bg2 Be7; 4...a6 5.Ba3 Nf6 6.Nc3 Nbd7 7.Nf3 ab5 8.ab5 e4 9.Nd4 Qe5; 4...e4 5.Nc3 Nf6 6.Nh3 Nbd7 7.Bg2 d5 8.d3 Qe5 9.d4 Qf5) 5.Nc3 Nbd7 6.Nf3 e4 7.Nd4 Qe5 8.e3 Nc5 9.Bg2 Be7; C) 4.d4 Nf6 (4...Nd7 5.Nc3 Ngf6 6.Nf3 e4 7.Ng5 h6 8.Nh3 g5 9.f3 ef3; 4...ed4 5.Qd4 Nf6 6.Nc3 Bf5 7.Bg5 c5 8.Qd2 Nbd7 9.Nf3 Qe6; 4...a6 5.Nc3 ab5 6.de5 de5 7.Nb5 Nf6 8.Nf3 Bf5 9.Ba3 c5; 4...h6 5.de5 de5 6.Ba3 Qd7 7.Nf3 Qd1 8.Kd1 Ba3 9.Na3 Be6; 4...Bf5 5.Nc3 Nd7 6.Nf3 Ngf6 7.Nh4 Bg4 8.h3 ed4 9.Qd4 Be6) 5.de5 Qe5 6.Ra3 Be6 7.Nf3 Qh5 8.Ng5 Nbd7 9.Ne6 fe6; D) 4.d3 Nf6 (4...Be6 5.Nf3 Nf6 6.Nc3 Nbd7 7.g3 d5 8.e3 0–0–0 9.Bg2 Bg4; 4...Nd7 5.Nc3 Ngf6 6.Nf3 Nc5 7.Be3 g6 8.g3 Bg7 9.Bg2 e4; 4...a6 5.Ba3 Nf6 6.Nc3 g6 7.Nf3 Bg7 8.g3 0–0 9.Bg2 Nbd7; 4...h6 5.Nf3 Nf6 6.Nc3 Nbd7 7.e4 g6 8.Be2 Bg7 9.0–0 Nc5; 4...d5 5.Nf3 Nf6 6.g3 Nbd7 7.Bg2 Qe6 8.0–0 h6 9.Nc3 Bb4) 5.Nc3 Nbd7 6.Nf3 Nc5 7.e4 g6 8.Bg5 c6 9.bc6 bc6; E) 4.Bb2 Nf6 (4...Nd7 5.Nc3 Ngf6 6.e3 g6 7.Nf3 Bg7 8.Bc4 0–0 9.0–0 Nb6; 4...Be6 5.Nc3 Nf6 6.Nf3 Nbd7 7.Ng5 Bf5 8.e4 Bg6 9.Bd3 Nc5; 4...g6 5.d4 Nf6 6.de5 de5 7.Nf3 Nbd7 8.Nbd2 Bh6 9.e3 0–0; 4...Bf5 5.Nc3 Nf6 6.e3 d5 7.Nf3 Nbd7 8.Be2 Qb4 9.Ba3 Qa5; 4...Bg4 5.h3 Be6 6.d4 Nd7 7.Nc3 Ngf6 8.Nf3 e4 9.d5 ef3) 5.Nc3 g6 6.Nf3 Bh6 7.e3 0–0 8.Be2 e4 9.Nd4 c5; F) 4.e3 Nd7 (4...Nf6 5.Nc3 Nbd7 6.Be2 g6 7.Nf3 Bg7 8.0–0 0–0 9.d4 e4; 4...Be6 5.Nc3 Nd7 6.Nf3 g6 7.Ba3 Bg7 8.Bd3 Ngf6 9.Ng5 0–0; 4...h5 5.Nc3 Nf6 6.Nf3 Nbd7 7.Ba3 e4 8.Nd4 Ne5 9.Be2 g6) 5.Nf3 Ngf6 6.Be2 g6 7.Nc3 Bg7 8.0–0 e4 9.Nd4 0–0; G) 4.Nc3 Nd7 (4...Nf6 5.e3 Nbd7 6.Be2 g6 7.Nf3 Bg7 8.0–0 0–0 9.d4 Rd8; 4...Be6 5.g3 Nd7 6.Bg2 Nc5 7.Nf3 e4 8.Nd4 Bc4 9.0–0 Qe5; 4...a6 5.Nf3 Nf6 6.e4 ab5 7.Bb5 Nbd7 8.d4 c6 9.Be2 ed4) 5.Nf3 Ngf6 6.h3 g6 7.d4 e4 8.Nd2 d5 9.Nb3 Qe6.

3.a4 Nf6 A) 4.g3 d5 (4...e4 5.Bb2 d5 6.Nh3 Nbd7 7.Bg2 Ne5 8.0–0 Bg4 9.Bd4 c5; 4...d6 5.Nc3 Nbd7 6.Nf3 e4 7.Nd4 Qe5 8.e3 Nc5 9.Bg2 Be7; 4...Qd8 5.Bb2 Bc5 6.d4 ed4 7.Bd4 Bd4 8.Qd4 0–0 9.Nf3 a6; 4...h5 5.Nc3 d5 6.Bg2 d4 7.Ne4 Ne4 8.Be4 Nd7 9.Nf3 Nc5) 5.Ba3 Qd8 6.Nf3 Ba3 7.Na3 Qd6 8.Bg2 0–0 9.0–0 Bg4; B) 4.Ba3 Qe6 (4...d6 5.Nc3 g6 6.Nf3 Bg7 7.e4 Nbd7 8.Bc4 0–0 9.0–0 Nb6) 5.Bf8 Kf8 6.g3 g6 7.Bh3 Qe7 8.Nc3 Kg7 9.e4 d6; C) 4.e3 d5 (4...Qe6 5.Nf3 d5 6.Nc3 Nbd7 7.Be2 Bb4 8.0–0 0–0 9.Bb2 h6; 4...d6 5.Nc3 Nbd7 6.Nf3 g6 7.Bc4 Bh6 8.0–0 0–0 9.a5 e4; 4...a6 5.Nc3 ab5 6.Bb5 c6 7.Ba3 Qe6 8.Bf8 Kf8 9.Be2 Na6; 4...c5 5.c4 d5 6.Nc3 d4 7.Nd5 Qd6 8.Qb3 Nbd7 9.Nf3 e4; 4...g6 5.Nc3 d6 6.Nf3 Nbd7 7.Bc4 Bh6 8.0–0 0–0 9.Ba3 Nb6) 5.Nf3 c5 6.bc6 Nc6 7.Ba3 Qc7 8.Bf8 Kf8 9.Nc3 a6; D) 4.Nc3 Qe6 (4...d5 5.Ba3 Qd8 6.Bf8 Kf8 7.e3 Qd6 8.Nf3 Nbd7 9.Qc1 Nc5; 4...d6 5.Ba3 g6 6.Nf3 Nbd7 7.g3 Bg7 8.Bg2 0–0 9.0–0 Nc5) 5.Bb2 Bc5 6.Nh3 0–0 7.e4 d5 8.ed5 Nd5 9.Ne4 Nd7.

3.Bb2 d5 A) 4.Ba3 Qe6 (4...Qf6 5.Bf8 Kf8 6.Nc3 Ne7 7.e3 Nd7 8.Nf3 Nc5 9.d4 e4) 5.Bf8 Kf8 6.Nf3 Nf6 7.e3 a6 8.Nc3 d4 9.Na4 ab5; B) 4.Nc3 Nf6 5.e3 Qb4 6.Rb1 Bd6 7.Nf3 Nbd7 8.Be2 0–0 9.0–0 Re8; C) 4.c4 d4 5.e3 c5 6.Ne2 Nf6 7.Na3 h5 8.f3 Be6 9.Qa4 Nbd7; D) 4.e3 Nf6 (4...Nd7 5.Nf3 Ngf6 6.Be2 Qe6 7.c4 Bd6 8.cd5 Nd5 9.Nc3 Nc3; 4...Bf5 5.g4 Be4 6.Nf3 d4 7.Bg2 Qb4 8.Ba3 Qa4 9.Bf8 Kf8) 5.Be2 Bf5 6.Nf3 Nbd7 7.0–0 0–0–0 8.Nc3 Kb8 9.a4 Qb4; E) 4.a4 Bf5 (4...Nd7 5.Nf3 Ngf6 6.e3 Qe6 7.Nc3 Bd6 8.Be2 0–0 9.0–0 h6; 4...Nf6 5.Nf3 Nbd7 6.e3 Qe6 7.Nc3 Bb4 8.Be2 0–0 9.0–0 h6) 5.Nf3 Nd7 6.Nc3 Ngf6 7.e3 d4 8.Ne2 de3 9.fe3 Bg4; F) 4.Nf3 e4 (4...Nd7 5.Nc3 Ngf6 6.e3 Qb4 7.Rb1 Bd6 8.Be2 0–0 9.0–0 Re8) 5.Nd4 c5 6.Nb3 Nf6 7.e3 Be6 8.Be2 Qc7 9.Bf6 gf6.

3.Bb2 d6 A) 4.Nf3 Nf6 (4...Nd7 5.g3 Ngf6 6.Nc3 d5 7.e3 e4 8.Nd4 Ne5 9.a4 Qd8; 4...e4 5.Nd4 c5 6.bc6 Nc6 7.Na3 Nf6 8.e3 d5 9.Nab5 a6) 5.Nc3 Nbd7 6.g3 d5 7.e3 e4 8.Nd4 Ne5 9.a4 Qd8; B) 4.e3 Nd7 (4...g6 5.Na3 Nf6 6.Nc4 Bg7 7.Nf3 0–0 8.Be2 Nbd7 9.0–0 Nb6; 4...Nf6 5.Nc3 Nbd7 6.Be2 g6 7.Nf3 Bg7 8.0–0 0–0 9.d4 Nb6; 4...Be6 5.Nc3 Nd7 6.Be2 Ngf6 7.Nf3 g6 8.Ng5 Bg7 9.h4 Nc5) 5.Nf3 Ngf6 6.Be2 g6 7.0–0 Bg7 8.Nc3 0–0 9.h3 Rd8; C) 4.g3 Nf6 (4...a6 5.Nc3 ab5 6.Nb5 Nf6 7.Nf3 Na6 8.Bg2 Bd7 9.a4 c6; 4...Nd7 5.Nf3 Ngf6 6.Bg2 Nb6 7.0–0 Na4 8.Qc1 a6 9.ba6 Ra6) 5.Nc3 Nbd7 6.Nf3 d5 7.e3 e4 8.Nd4 Ne5 9.a4 Qd8; D) 4.Nc3 Nf6 (4...Nd7 5.Nd5 Qd8 6.e3 Ngf6 7.Nf6 Qf6 8.f4 Qg6 9.Nf3 Be7) 5.Nf3 Nbd7 6.e3 g6 7.Be2 Bg7 8.Ng5 0–0 9.0–0 h6.

3.Bb2 Nf6 A) 4.Nc3 d5 (4...a6 5.Nf3 e4 6.Nh4 d5 7.a4 d4 8.Nb1 g5 9.Bd4 gh4; 4...Qb4 5.a3 Qb2 6.Ra2 Qa2 7.Na2 Ba3 8.Nf3 e4 9.Nd4 0–0; 4...g6 5.Nf3 d5 6.e3 Nbd7 7.a4 d4 8.ed4 ed4 9.Ne2 Bh6; 4...d6 5.Nf3 Nbd7 6.h3 g6 7.e3 Bg7 8.Bc4 0–0 9.0–0 Nb6) 5.Nf3 d4 6.Na4 a6 7.b6 Nc6 8.Rc1 Qd8 9.c3 cb6; B) 4.Nf3 e4 (4...d6 5.Nc3 Nbd7 6.g3 a6 7.ba6 Ra6 8.Bh3 Qd8 9.0–0 Be7) 5.Nd4 Qe5 6.Qc1 d5 7.e3 Bd6 8.Nb3 Qe7 9.Bf6 Qf6; C) 4.a4 d5 (4...d6 5.Nc3 Nbd7 6.Nf3 g6 7.g3 Bh6 8.Bg2 0–0 9.0–0 Rd8; 4...g6 5.Nf3 d6 6.Nc3 Bg7 7.e4 Nbd7 8.Bc4 0–0 9.0–0 Nc5; 4...h5 5.Nc3 d5 6.Nf3 d4 7.Na2 c5 8.e3 Nbd7 9.Be2 h4) 5.Nf3 Nbd7 6.e3 Qe6 7.Nc3 h6 8.Be2 Bd6 9.0–0 0–0; D) 4.c4 a6 (4...d6 5.Nf3 e4 6.Nd4 c5 7.bc6 Nc6 8.Na3 Qd7 9.e3 Be7; 4...e4 5.Nh3 a6 6.Nc3 ab5 7.cb5 d5 8.Qb3 Bh3 9.gh3 Qe6) 5.Qc2 ab5 6.cb5 d5 7.a4 Nbd7 8.Qc7 e4 9.Nh3 Nc5; E) 4.e3 d5 (4...a6 5.Nf3 ab5 6.Be5 Nc6 7.Bf6 Qf6 8.Nc3 b4 9.Nd5 Qd6; 4...g6 5.Nf3 d6 6.Nc3 Nbd7 7.h4 Bg7 8.h5 gh5 9.Be2 0–0; 4...d6 5.Nc3 Nbd7 6.d4 g6 7.Be2 Bg7 8.Nh3 Nb6 9.Ng5 h6) 5.Be2 Nbd7 6.Nf3 Qe6 7.c4 Bd6 8.cd5 Nd5 9.Nc3 Nc3.

3.Nc3= a6 A) 4.e4 ab5 (4...Nf6 5.Nf3 ab5 6.Bb5 c6 7.Be2 Na6 8.0–0 Nc5 9.Bb2 d6) 5.Bb5 c6 6.Bd3 Na6 7.Ba6 Ra6 8.Nf3 Nf6 9.0–0 Qe6; B) 4.Bb2 ab5 5.Nb5 d5 6.Nf3 e4 7.Nfd4 c6 8.Nc3 Qb4 9.Nb3 Nf6; C) 4.Nf3 ab5 (4...e4 5.Nd4 Nf6 6.e3 ab5 7.Ndb5 d5 8.Be2 Be6 9.0–0 Nc6; 4...Nf6 5.e4 ab5 6.Bb5 c6 7.Be2 Na6 8.0–0 Nc5 9.Bb2 d6) 5.Nb5 d6 6.Bb2 Nc6 7.g3 Nf6 8.Bg2 g6 9.0–0 Bh6.

3.Nc3= Qb4 4.Nf3 (4.Rb1 Qa5 (4...Qc5 5.Nf3 Nf6 6.e3 d6 7.Bb2 e4 8.Nd4 Nbd7 9.d3 d5; 4...Qd6 5.Nf3 Nf6 6.e4 Be7 7.Bc4 0–0 8.0–0 a6 9.d3 Bd8; 4...Qe7 5.e4 Nf6 6.Nf3 a6 7.Bc4 ab5 8.Nb5 d6 9.0–0 h6) 5.e3 Nf6 6.Bc4 d6 7.Nf3 Be7 8.Rb3 0–0 9.0–0 c6) 4...Bc5 (4...e4!? 5.Rb1 (5.Ng5 Nf6 6.Rb1 Qe7 7.d3 d5 8.de4 h6 9.Nh3 Bh3) 5...Qe7= 6.Nd4 Nf6 7.e3 c5 8.Nb3 d5 9.Ba3 Qc7; 4...d6 5.Rb1 Qa5 6.e4 Nf6 7.a4 Be6 8.Ba3 d5 9.ed5 Nd5; 4...Qe7 5.Nd5 Qc5 6.e4 Nf6 7.Ba3 Qa3 8.Nc7 Ke7 9.Na8 Qc5; 4...Nf6 5.Ne5 d5 6.Rb1 Qa5 7.b6 Bd6 8.Rb5 Qa6 9.bc7 Be5; 4...Qd6 5.e4 Nf6 6.Bc4 Qc5 7.d3 c6 8.bc6 Nc6 9.0–0 Nd4; 4...Bd6 5.Rb1 Qa5 6.e4 Nf6 7.Bc4 0–0 8.0–0 b6 9.Nh4 Bb4) 5.Rb1 Qf4?? (better is 5...Qg4+= 6.Ne5 Bf2 7.Kf2 Qd4 8.e3 Qe5 9.Qf3 Nf6) 6.d4 (better is 6.Nd5 Bf2 7.Kf2+–) 6...ed4 (6...Qf6 7.Nd5 Qd8 8.dc5 d6+–) 7.Bf4 dc3 8.Bc7 a6 (8...Ne7 9.Bd6 Bd6 10.Qd6+–) 9.Qd5 Nc6 (9...d6 10.Qg5 Ne7 11.Bb8 Rb8 12.Qg7 Rg8 13.Qc3 ab5 14.Rb5 Bd7+–) 10.bc6 bc6 11.Qc5 d6 12.Qc6 Ke7 (12...Bd7 13.Qa8 Ke7 14.Qd5 Be6 15.Bd6 Kd7 16.Ne5 Kd8 17.Qe6 fe6 18.Rb8) 13.Qd6 Ke8 14.Qd8 1–0. pierre – marsil, internet, 2010.

3.Nc3= Nf6 A) 4.Nf3 d5 (4...a6 5.e4 ab5 6.Bb5 c6 7.Be2 Na6 8.a4 Nc5 9.Ba3 d6) 5.a4 d4 6.Na2 c5 7.d3 g6 8.g3 Bg7 9.Bg2 0–0; B) 4.e3 d5 (4...a6 5.Nf3 ab5 6.Bb5 Nc6 7.a4 Qe6 8.0–0 Bb4 9.Ba3 Ba3) 5.Nf3 d4 6.Na4 a6 7.b6 Nc6 8.Be2 de3 9.de3 cb6; C) 4.a4 d5 (4...Qe6 5.Nf3 d5 6.e3 Nbd7 7.Be2 Bb4 8.0–0 0–0 9.Bb2 h6; 4...d6 5.Bb2 Nbd7 6.Nf3 g6 7.g3 Bh6 8.Bg2 0–0 9.0–0 Rd8) 5.g3 d4 6.Ba3 Qd8 7.Bf8 Kf8 8.Na2 Qd5 9.Nf3 e4; D) 4.e4= a6 (4...Qc5 5.a4 Qb6 6.a5 Qe6 7.Nf3 Bc5 8.Bd3 d6 9.Ba3 Nbd7; 4...d6 5.Nf3 Nbd7 6.d4 ed4 7.Qd4 Nc5 8.Bd3 Bg4 9.Be3 Qd7; 4...g6 5.Nf3 a6 6.Bc4 Bg7 7.0–0 0–0 8.Qe2 ab5 9.Nb5 c6) 5.Nf3 ab5 6.Bb5 c6 7.Be2 Na6 8.a4 Nc5 9.Ba3 d6.

3.e3 a6 A) 4.Nc3 Nf6 (4...ab5 5.Bb5 Nf6 6.a4 Nc6 7.Nf3 Qe6 8.0–0 Bb4 9.Ba3 Ba3) 5.a4 ab5 6.Bb5 Nc6 7.Nf3 Qe6 8.Bd3 Bc5 9.Nb5 Bb6; B) 4.a4 ab5 (4...Nf6 5.Nc3 ab5 6.Bb5 Nc6 7.Nf3 Qe6 8.0–0 Bb4 9.Ba3 Ba3; 4...e4 5.Nc3 ab5 6.Bb5 Nf6 7.Nge2 c6 8.Ba3 Qe5 9.Bf8 Kf8; 4...d6 5.Nc3 Nf6 6.Bb2 Nbd7 7.Nf3 Nc5 8.Bc4 Bg4 9.h3 Be6) 5.Bb5 Nc6 6.Nc3 Nf6 7.Nf3 Qe6 8.0–0 Bb4 9.Ba3 Ba3; C) 4.Nh3 ab5 (4...Nf6 5.Nc3 ab5 6.Bb5 c6 7.Bd3 Na6 8.Be2 d5 9.0–0 Nc5; 4...d5 5.Nc3 Nf6 6.a4 Bh3 7.gh3 ab5 8.Nb5 c6 9.Nc3 d4) 5.Bb5 Nf6 6.Nc3 c6 7.Be2 d5 8.0–0 d4 9.Nb1 Bh3; D) 4.Bb2 ab5 5.Nf3 e4 6.Nd4 b4 7.d3 Nf6 8.de4 Qe4 9.Nd2 Qd5; E) 4.Ba3 d6 5.Nc3 Nf6 6.ba6 Na6 7.Nf3 c6 8.Be2 b5 9.Bb2 Nc7; F) 4.Nf3 ab5 (4...e4 5.Nd4 Nf6 6.Nc3 ab5 7.Ndb5 d5 8.Be2 Nc6 9.0–0 Be6; 4...Nf6 5.Bb2 e4 6.Nd4 h5 7.Na3 ab5 8.Nf5 Qc5 9.Nb5 Na6) 5.Bb5 e4 6.Nd4 Nc6 7.0–0 Nd4 8.ed4 Qb4 9.Nc3 Qd4.

3.e3 Nf6 A) 4.Nf3 a6 (4...d5 5.Ba3 Qe6 6.Bf8 Kf8 7.Be2 Nbd7 8.Nc3 Qd6 9.0–0 g6; 4...e4 5.Ba3 d6 6.Nd4 a6 7.Be2 ab5 8.Nb5 g6 9.Bb2 Bg7; 4...d6 5.Nc3 Nbd7 6.Bb2 g6 7.h4 Bh6 8.Be2 Nb6 9.0–0 0–0) 5.Bb2 ab5 6.Be5 Nc6 7.Bf6 Qf6 8.Nc3 b4 9.Nd5 Qd6; B) 4.Nc3 d5 (4...a6 5.Nf3 ab5 6.Bb5 e4 7.Nd4 Nc6 8.Nde2 Qe5 9.Bb2 Bd6; 4...d6 5.Nf3 Nbd7 6.Ba3 g6 7.h4 Bh6 8.Ng5 0–0 9.Qf3 Bg7) 5.Nf3 d4 6.Ne2 de3 7.fe3 Bg4 8.h3 Bf3 9.gf3 Nbd7.

3.e4 a6 4.Nf3 Nf6 (4...h6 5.Nc3 Nf6 6.Bb2 ab5 7.Bb5 Nc6 8.0–0 Qb4 9.Rb1 Bd6; 4...g6 5.Nc3 Nf6 6.Bc4 Bg7 7.Qe2 0–0 8.Bb2 ab5 9.Nb5 Na6; 4...ab5 5.Bb5 c6 6.Be2 Na6 7.0–0 Nf6 8.Nc3 Nc5 9.Bb2 d6; 4...h5 5.Nc3 Nf6 6.Bc4 Qc5 7.Qe2 Be7 8.Rb1 0–0 9.0–0 c6; 4...d6 5.d4 f5 6.ef5 Bf5 7.de5 Nf6 8.Be2 de5 9.Ba3 Qd7) 5.Nc3 ab5 6.Bb5 c6 7.Be2 Na6 8.0–0 Nc5 9.Bb2 d6.

3.e4 d6 A) 4.Nf3 Nf6 (4...Nd7 5.Nc3 Ngf6 6.d4 ed4 7.Qd4 Nc5 8.Bd3 Bg4 9.Be3 Qd7; 4...a6 5.Nc3 Nf6 6.a4 g6 7.Bb2 ab5 8.ab5 Ra1 9.Qa1 Nbd7; 4...f5 5.Nc3 Nf6 6.ef5 Bf5 7.Bc4 Nbd7 8.0–0 0–0–0 9.Re1 Nb6; 4...Be6 5.Nc3 Nf6 6.Be2 Nbd7 7.0–0 Nc5 8.Ng5 h6 9.Ne6 Qe6) 5.Nc3 Nbd7 6.Bc4 Nb6 7.Be2 d5 8.Nd5 Nbd5 9.ed5 e4; B) 4.Bc4 Nf6 (4...a6 5.Nc3 ab5 6.Bb5 c6 7.Be2 Nd7 8.Nf3 b5 9.Rb1 Ngf6; 4...Nd7 5.Nf3 Nb6 6.Bb3 Nf6 7.Nc3 g6 8.0–0 Bg7 9.d4 0–0; 4...Be6 5.Be6 Qe6 6.Nc3 Nf6 7.Nf3 Nbd7 8.0–0 Be7 9.Qe2 Nb6 ; 4...h6 5.Nc3 Nf6 6.Nf3 a6 7.d4 ab5 8.Bb5 Bd7 9.Bd7 Nbd7) 5.Nc3 Nbd7 6.Ba3 Nb6 7.Bd3 g6 8.Nf3 Bh6 9.h3 Bd7; C) 4.Nc3 Nf6 (4...Nd7 5.Nf3 Ngf6 6.d4 ed4 7.Qd4 Nc5 8.Bd3 Bg4 9.Be3 Qd7; 4...a6 5.Nf3 Nf6 6.d4 c6 7.bc6 ed4 8.cb7 Bb7 9.Qd4 Ne4) 5.Nf3 Nbd7 6.Bc4 Nb6 7.Bb3 g6 8.0–0 Bg7 9.d4 0–0.

3.e4 Qe6 4.Nf3 (4.Nc3 Nf6 5.Nf3 Bc5 6.Bd3 d6 7.0–0 0–0 8.Bb2 Nbd7 9.Qe2 Qg4) 4...Nf6 (4...Bc5 5.Ba3 Ba3 6.Na3 Nf6 7.Bd3 a6 8.0–0 0–0 9.Qb1 ab5) 5.Nc3 Bc5 6.Be2 0–0 7.0–0 a6 8.d4 ed4 9.Nd4 Qe5.

3.e4 Nf6 4.Nc3 c6 (4...a6 5.Nf3 ab5 6.Bb5 Nc6 7.0–0 Nd4 8.Bd3 Ra5 9.Bb2 c6; 4...Qc5 5.a4 a6 6.Ba3 Qb6 7.a5 Qe6 8.Bf8 Kf8 9.Nf3 h6; 4...d6 5.Nf3 Nbd7 6.Bc4 Nc5 7.Qe2 g6 8.0–0 Bg7 9.d3 Be6; 4...g6 5.Nf3 Bg7 6.Bc4 0–0 7.0–0 a6 8.Qe2 ab5 9.Nb5 c6) 5.a4 d5 6.bc6 de4 7.cb7 Bb7 8.Nh3 Qc7 9.Be2 Bb4.

3.Nf3 d5 A1) 4.e3 Nf6 (4...Bf5 5.Be2 Nd7 6.0–0 0–0–0 7.a4 Ngf6 8.a5 Qe6 9.a6 Bb4) 5.Ba3 Qe6 6.Bf8 Kf8 7.Nc3 Nbd7 8.Be2 Qd6 9.0–0 g6; A2) 4.Ba3 Qe6 5.Bf8 Kf8 6.e3 Nf6 7.Nc3 Qd6 8.Be2 g6 9.0–0 Kg7; A3) 4.h4 e4 (4...Nf6 5.Ba3 Qe6 6.Bf8 Kf8 7.e3 Nbd7 8.Nc3 Qd6 9.Be2 g6; 4...Nd7 5.Ba3 Qf6 6.Bf8 Kf8 7.e3 Qd6 8.Nc3 Ngf6 9.Be2 g6; 4...Bg4 5.Ba3 Qf6 6.Bb2 Nd7 7.Nc3 Ne7 8.Rb1 d4 9.Ne4 Qg6; 4...Bf5 5.Nc3 Nf6 6.a4 c5 7.d3 d4 8.e4 Be6 9.Ne2 Nbd7) 5.Nd4 c5 6.Nb3 Nf6 7.e3 Qc7 8.Nc3 Be6 9.Be2 Nbd7; A4) 4.Bb2 e4 (4...Nd7 5.e3 Ngf6 6.Nc3 Qb4 7.a3 Qa5 8.Be2 Bd6 9.0–0 0–0) 5.Nd4 c5 6.bc6 Nc6 7.c4 dc4 8.Nc6 bc6 9.Bd4 c5; A5) 4.c4 e4 (4...d4 5.Ba3 Qf6 6.e3 Ba3 7.Na3 Nd7 8.Qc2 Qe7 9.c5 de3; 4...Nf6 5.cd5 Nd5 6.Nc3 Nc3 7.dc3 Nd7 8.Be3 Nf6 9.g3 Ng4) 5.Nd4 Qe5 6.e3 c5 7.bc6 Nc6 8.cd5 Nd4 9.Qa4 Bd7.

3.Nf3 Nf6 A) 4.Nc3 d5 5.e3 d4 6.Na4 a6 7.Rb1 Qe6 8.c3 de3 9.fe3 Bd6; B) 4.d4 e4 5.Ne5 d6 6.Nc4 d5 7.Ba3 Qe6 8.Bf8 Kf8 9.Ne3 a6; C) 4.Bb2 e4 (4...d6 5.e3 Nbd7 6.Be2 g6 7.Nc3 Bg7 8.0–0 0–0 9.d4 Nb6) 5.Nd4 Qe5 6.Bc3 d5 7.Nb3 Qd6 8.d3 a6 9.a4 ab5; D) 4.e3 d5 (4...a6 5.Bb2 ab5 6.Be5 Nc6 7.Bf6 Qf6 8.Nc3 b4 9.Nd5 Qd6; 4...e4 5.Nd4 c5 6.Nb3 d6 7.Na3 Nbd7 8.Be2 Qe6 9.0–0 Be7) 5.Ba3 Qe6 6.Bf8 Kf8 7.Be2 Nbd7 8.0–0 g6 9.Nc3 Kg7.

2.b5 f6

3.a4 d5 4.Bb2 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.a4).

3.Bb2 (--> 1.b4 e5 2.Bb2 f6 3.b5).

3.c4 a6 A) 4.ba6 Na6 5.e4 Bc5 6.Nf3 d6=+; B) 4.d4=+ Bb4 5.Bd2 Bd2 6.Qd2 d6=+; C) 4.Qa4 Bc5 5.e4 Ne7 6.Nf3 0–0=+; D) 4.Nc3 ab5 5.Nb5 c6 6.Nc3 d5=+; E) 4.Ba3 Ba3 5.Na3 Ne7 6.e3 0–0=+; F) 4.Nf3 ab5 5.cb5 d5 6.Qc2 Bg4=+; G) 4.e4 ab5 5.cb5 d5 6.ed5 Ne7=+.

3.c4 Bb4 4.Qb3 (4.a3 Ba5= 5.e4 d6 6.Nc3 Nd7=; 4.Nf3 d6 (4...e4 5.Nd4 d5 6.Qc2 Ne7=; 4...a6 5.Qa4 Qe7 6.a3 Bc5=; 4...Ne7 5.Qa4 c5 6.a3 Ba5=) 5.a3 Ba5 6.Qa4 Bb6=; 4.e4 d6 (4...Ne7 5.Qh5 g6 6.Qh6 a6=; 4...a6 5.Nc3 d6 6.Nf3 Ne7=; 4...Bc5 5.Nf3 d6 6.Be2 f5=) 5.Nc3 Ne7 6.a3 Bc3=; 4.e3 Ne7 (4...d6 5.Bb2 Ne7 6.Qa4 c5=; 4...Nh6 5.Bd3 d5 6.Qb3 dc4=; 4...a6 5.Qa4 Qe7 6.Ne2 b6=; 4...f5 5.Bb2 d6 6.a3 Ba5=) 5.Qa4 c5 6.a3 Ba5=; 4.Nc3 Ne7 (4...d6 5.Nd5 Ba5 6.e4 f5=) 5.e4 0–0 6.Rb1 Bc3=) 4...Bc5=+ 5.Bb2 (5.Qg3 g6=+ 6.Ba3 Bd4=; 5.e3 d6 6.Bb2 Bf5=) 5...d6 (5...Ne7 6.e3=+ d5=) 6.e3= Ne7 (6...Qe7 7.Nc3=) 7.d4 Bb6 8.Nf3 (8.Bd3 Ba5 9.Bc3 Bc3 10.Nc3 f5=) 8...Bg4 (8...Bf5 9.Be2=) 9.Bd3 (9.Nbd2 Ba5=) 9...Bf3 10.gf3 Nf5?? (better is 10...ed4 11.ed4 d5=) 11.Bf5+– Nd7 12.0–0 Qe7 13.a4 Ba5 14.Bc3 Bc3 15.Nc3 0–0 16.c5 Kh8 17.Qe6 Qe6 18.Be6 Rad8 19.cd6 cd6 20.a5 ed4 21.ed4 f5 22.Rfe1 Rf6 23.Bd7 Rg6 24.Kh1 h5 25.Bf5 Rf6 26.Be4 Rc8 27.Nd5 Rf4 28.Ne7 (28...Re4 29.fe4+–) 1–0. Haznedaroglu,Kivanc (1990) – Hanamitsu,Itsurou (1810), corr ICCF WSTT/3/06/3, 2006.

3.d4 e4 A) 4.c4 a6 5.Qc2 f5 6.Nc3 ab5=; B) 4.d5 Bc5 5.Nc3 f5 6.e3 Nf6=; C) 4.Nd2 f5 5.c4 Nf6 6.Nh3 e3=; D) 4.e3 f5 5.Nh3 Nf6 6.Be2 a6=.

3.e4 a6 A) 4.Nf3 ab5 5.Bb5 c6 6.Bd3 Bc5=; B) 4.ba6 Na6 5.Bc4 Nb4 6.Nc3 c6=; C) 4.Qh5 g6 5.Qf3 ab5 6.Bb5 Nc6=; D) 4.Nc3 c6 5.bc6 dc6 6.Bc4 Bb4=.

3.e4 Bc5 A) 4.Bc4 Qe7 5.d3 a6 6.ba6 Na6=; B) 4.c3 Qe7 5.Nf3 f5 6.ef5 d5=; C) 4.Ne2 d6 5.c3 Bb6 6.d4 Ne7=; D) 4.Nc3 d6 5.Na4 Nd7 6.Bc4 Nb6=.

3.e4 c6 A) 4.d4 Qa5 5.Bd2 Qa4 6.Be3 cb5=; B) 4.Nc3 d5 5.bc6 bc6 6.ed5 cd5=.

3.e4 Ne7 4.Qh5 g6 5.Qf3 Bg7 6.Bc4 a6 =.

3.d4 ed4

4.Qd4 a6 5.Qa4 c6 6.Nc3 d5 7.Bf4 Ne7 8.e4 Nd7 9.bc6 bc6 10.Be3 =.

4.Qd4 a6 5.e3 ab5 6.Bb5 Nc6 7.Qd2 Bb4 8.c3 Bc5 9.Nf3 Nge7 10.0–0 =.

4.Qd4 a6 5.e4 ab5 6.Bb5 Nc6 7.Qd1 Ra5 8.Bc6 dc6 9.Qd8 Kd8 10.Bd2 =.

4.Qd4 d5 5.Nc3 Be6 6.e4 c5 7.bc6 Nc6 8.Bb5 Nge7 9.Nf3 a6 10.ed5 +=.

4.Qd4 d5 5.Nd2 f5 6.c4 Nf6 7.Ngf3 Be6 8.Ng5 Bc8 9.Bb2 Be7 10.cd5 +=.

4.Qd4 d5 5.e4 de4 6.Qe4 Qe7 7.Bd3 Qe4 8.Be4 Nd7 9.Nc3 Nc5 10.Nd5 =.

4.Qd4 d5 5.e4 Be6 6.ed5 Qd5 =.

4.Qd4 Ne7 5.e4 (5.Nf3 d5 6.e4 c5 7.Qd3 Be6 8.Nbd2 a6 9.ed5 Nd5 10.Qe4=) 5...a6 6.Nf3 b6 7.e5 fe5 8.Ne5 Nf5 9.Qg4 Qf6 10.Bb2 +=.

3.d4 d5

4.e3 e4 5.c4 c6 (5...Be6 6.cd5 Qd5 7.Qc2 c6 8.Ba3 Ba3 9.Na3 Ne7 10.Bc4=) 6.cd5 (6.Nc3 Be6= 7.Qb3 dc4 8.Bc4 Bc4 9.Qc4 f5 10.Qe6=) 6...cd5 7.Qb3 (7.Nd2 Bf5 8.Qb3 Qd7 9.Bb2 a5 10.ba6=) 7...Be6 8.Nc3 f5 (8...Qd6 9.Nge2 f5 10.Nf4+=) 9.a4 (9.Nge2 Bd6= (9...Nf6 10.Nf4= 0.16) 10.Ba3=) 9...Nf6 10.Nh3 (10.Nge2=) 10...Bd6 11.Ba3 0–0 (11...Bc7!?=) 12.Ng5 Bf7 (12...Qe7!+=) 13.Nf7+/– Rf7 14.Nd5 Nd5 15.Bc4 Rc7 16.Bd5 Kh8 17.Rc1 Ba3 18.Rc7 Qc7 19.Qa3 Nd7 20.0–0 h6? (better is 20...Nf6 21.Be6 f4+–) 21.Rc1 (21.Rc1 Qa5 22.Bb7+–) 1–0. Wiese,Uwe (2345) – Noack,Thomas (2090), RSX7E – A00 – Sokolsky–2, 2009.

4.e3 Ne7 5.de5 (5.c4 dc4 6.Bc4 Nf5 7.Qb3 Nd6 8.Bd5 c6 9.bc6 bc6 10.Bf3=) 5...fe5 6.c4 Be6 7.Nf3 Nd7 8.Bb2 dc4 9.Nbd2 Nd5 10.Bc4 =.

4.e3 Bf5 5.c4= ed4 6.Qd4 Ne7 7.cd5 Nd5 8.a3 Bd6 9.Nf3 Nb6 10.Be2 =.

4.de5 fe5 5.e4 Nf6 6.ed5 Qd5 7.Qd5 Nd5 8.Bd3 Nd7 9.Nf3 Nb4 10.Nbd2 =.

3.e4 d5

4.Bb2 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e4).

4.ed5 Qd5 5.Nc3 Qf7 6.Be2 Nh6 (6...a6 7.Rb1=) 7.Bh5 g6 8.Bf3 c6 9.bc6 (9.Rb1 Be6=) 9...Nc6 10.Bd5 Qd7 (10...Be6 11.Be6 Qe6 12.Rb1=) 11.Qf3 (11.Rb1 Bc5=) 11...Nf5 (11...Nd4 A) 12.Qf6 Bg7 (12...Nc2?! 13.Kd1 Bg7 14.Ne4 Qd5 15.Qg7=+) 13.Ne4 Qd5 (13...Bf6?! 14.Nf6 Ke7 15.Nd7 Nc2 16.Kf1=; 13...Nc2 14.Kd1 Qd5 15.Qg7=+) 14.Nd6 Kd7 15.Qg7 Kd6 16.Qh8 Nc2 17.Kf1 Qc4 (< 17...Na1 18.Qf8 Kc6 19.Qh6=+) 18.Ne2 Qe2 (< 18...Na1 19.Qf8 Kc6 20.Qh6=+) 19.Ke2 Bg4 20.f3 Rh8–/+; B) 12.Qd3=) 12.Ne4=+ Be7 13.Bb3 (13.Ne2!?=+) 13...Ncd4–/+ 14.Qd3 Qc6 15.Nf3 (15.f3 Be6 (< 15...Nb3 16.ab3 Nd4 17.Kd1–/+) 16.Nc3 Bb3 17.cb3 Rd8–+) 15...Be6 (better is 15...Nf3 16.gf3 Nd4–/+) 16.Be6? (16.Nd4 Nd4 (< 16...ed4 17.0–0+=) 17.0–0 Rd8 18.Be6 Nc2–+ (18...Qe6?! 19.c3 Nc6 20.Qb1=+)) 16...Ne6 (16...Nc2 17.Ke2 Rd8 18.Qc4 Qc4 19.Bc4 Na1 20.g4 Nd4 21.Nd4 Rd4 22.d3–+) 17.0–0?? (better is 17.Rb1–/+) 17...Rd8–+ 18.Qb3 (18.Nf6 Bf6 19.Qa3 Nf4–+ (< 19...Qc2 20.Bb2–+)) 18...Nfd4 (18...Qe4?! 19.Qe6 Qc2 20.Ba3–/+) 19.Nd4 Nd4 (20.Qb2 Qe4–+; 19...ed4?! 20.Re1 f5 21.Ng3=; 19...Rd4?! 20.f3–/+) 0–1. Langguth,Wilhelm – Richter,R, corr ICCF Cup8/9 V184, 1990.

4.ed5 Qd5= 5.Nc3 Qf7 6.Nf3 Be6 =.

4.ed5 Ne7 5.c4 Nf5 6.Bd3 a6 =.

2.b5 Qf6

3.Ba3 e4 4.d4 ed3! 5.Bf8 (5.cd3 Ba3; 5.Qd3 Qa1; 5.ed3 Qa1) 5...Qa1 (5...Kf8?! 6.c3=+) 6.Ba3 (6.Bb4 Qa2 7.cd3 Nf6–+) 6...de2 7.Be2 (7.Ne2 Qa2 8.Nec3 Qe6 9.Be2–+) 7...b6?? (better is 7...Qa2 8.Bc5 Nf6–+) 8.Bf3–/+ Qe5 9.Qe2 Qe2–/+ 10.Ne2 c6 11.Bb2 f6–+ 12.Bh5 g6 13.Bf3 Bb7 14.a4 a6 15.c4 h5 16.h4 Rh7 17.Bd4 ab5 18.cb5 Ra4 19.Bb6 Rb4 20.Nec3 Re7 21.Kf1 d6 0–1. mprior – bgray, net–chess.com, 2003.

3.Bb2 (--> 1.b4 e5 2.Bb2 Qf6 3.b5).

3.c3 Bc5 4.Nh3 (4.e3 d5=) 4...Ne7 (4...d5 5.e3–/+) 5.e3 (5.d4 ed4 6.Bg5 Qd6=+) 5...Nf5 (5...d5 6.d4 Bd6 7.Ng1=+) 6.Ba3 (6.Qf3 d6=) 6...d6 (6...Ba3 7.Na3 d5 8.d4=+) 7.Bc5 dc5 8.Bc4 (8.Ng1 Nd7=+) 8...Nh4 (better is 8...Nd6 9.d3 Bh3 10.gh3 Nd7–/+) 9.Qa4?? (better is 9.Bd5–/+) 9...Ng2–+ 10.Kd1 Bg4 11.Kc1 0–0 12.Kb2?? Bh3–+ 13.Rg1 Rd8 14.Na3 Rd2 15.Kb3 Rf2 16.Rgd1 h6 17.Rd5 Ne3 18.Rc5 Rb2 19.Kb2 Qf2 20.Kb3 Nc4 21.Rc4 Be6 22.Rd1 Qe2 23.Rd8 Kh7 24.Qb4 Qd1 25.Nc2 a5 26.Qa4?? Bc4 27.Qc4 Qb1 28.Ka3 Qc2 29.Qd3 Qd3 30.Rd3 c6 31.bc6 bc6 32.h4 c5 33.Rd6 Na6 34.h5 Nc7 35.Rc6 (35...Ne6 36.Rd6–+; 35.Rd7 Nb5 36.Kb2 Rb8–+). blacksteelballs – Mteinert, Live Game Caissa's Web, 2005.

3.c3 d5 4.d4 =+.

3.Nc3 a6 4.Nd5 Qf5?? (better is 4...Qd8 5.e4 Nf6 6.Nf6 Qf6=) 5.Nc7+– (5...Kd8 6.Na8+–) 1–0. Taulien,Hans_Juergen – Buresch,Rene, remoteschach.de, 2002.

3.Nc3 Bc5 4.e3 (4.Ne4 A) 4...Qe7 5.Nc5 (5.e3 Bb6 6.Bc4 d6 7.Nf3 Nf6 8.Nf6 Qf6) 5...Qc5 6.e3 d6 7.d4 ed4 8.Qd4 Qd4; B) 4...Qb6 5.Nc5 Qc5 6.e3 Nf6 7.Nf3 e4 8.Nd4 d6) 4...c6 (4...Qe6 5.Nf3= Nf6 (5...Ne7 6.d4 ed4 7.Nd4 Qg6 8.Bb2 d6; 5...Bb4 6.Bb2 Nf6 7.a3 Ba5 8.Be2 d5) 6.Ne5 Qe5 7.d4 Bd4 8.Qd4 d6; 4...Qd8 A) 5.Qg4 g6 6.Bc4 d6 7.Qf3 f5 8.Nge2 Nd7; B) 5.a3 Nf6 (5...d5 6.Qh5 Qd6 7.f4 ef4 8.d4 Bb6) 6.d4 ed4 7.ed4 Be7 8.Bd3 0–0; C) 5.Bb2 Nf6 6.Na4 Bd6 7.Nf3 e4 8.Ng5 Be7; D) 5.Ne4 Be7 (5...Bf8 6.Bb2 d5 7.Ng3 Nd7 8.Nf3 e4) 6.Bb2 d5 7.Ng3 f6 8.f4 ef4; E) 5.Nf3 d6 6.a3 Ne7 7.Be2 0–0 8.d4 ed4) 5.Ne4+= Qe7 6.Qg4 (6.Nc5 Qc5 7.d4 ed4 8.Qd4 Qd4) 6...f6?? (better is 6...g6 7.Nc5 Qc5+= 8.Qa4 a6) 7.Nc5+– cb5 (7...f5 8.Qb4+–) 8.Ne4 (8.Ba3 Nh6 9.Qh5 Nf7 10.Bb5 Nc6+–) 8...Nh6 9.Qh5 Nf7 (9...Kd8 10.Bb5 d5 11.Nc3+–) 10.Bb5 g6 (10...Na6 11.Ba6 ba6 12.Nc3+–) 11.Qh4 Ng5 (11...f5 12.Qe7 Ke7 13.Nc3+–) 12.Ba3! Qe6 (12...Qa3 13.Nf6) 13.Nd6 Kd8 14.Bc4 Qf5 (14...Qe7 15.Bd5 Nc6+–) 15.Nf5 (15...gf5 16.Qh6+–) 1–0. wiking – Jorgecas, queenalice.com, 2009.

3.Nc3 c6 4.e4 Bc5 5.Nf3 d6 6.Na4 Bb4 7.c3 Ba5 8.Nb2 a6 9.ba6 ba6 10.Nc4 Bd8 11.Ba3 c5 12.d4 ed4 13.cd4 Qf4 14.Be2 (14.dc5?! Qe4 15.Be2 Bc7 16.cd6 Bd8+–) 14...Be7 15.dc5 (15.Nb6 Bb7 16.Na8 Ba8+–) 15...dc5 16.Bb2 (16.Nb6 Qf6 17.Na8 Qc3 18.Nd2 Qa3 19.Nc7 Kf8+–) 16...Bf6? (better is 16...Qh6+/–) 17.Nd6+– Kf8 (17...Kd7 18.Bf6 Nf6 19.Nf7 Ke8 20.Nh8 Qe4+–) 18.g3 (better is 18.Nc8!? Qe4 19.Rb1 Qb4 20.Kf1 Qf4+–) 18...Qg4 19.Bf6 (19.Qd5 Qe6 20.Qa8 Qd6 21.Bf6 Nf6 22.e5+–) 19...gf6?? (19...Nf6 20.Nf7! Rg8 21.Qd6 Ke8+–) 20.Ne5! Qg7?? (20...fe5 21.Bg4) 21.Nc8 (better is 21.Nf5 Nc6 22.Nd7 Bd7 23.Qd6 Nge7 24.Ng7 Kg7 25.Qd7 f5 26.ef5 Rhd8+–) 21...fe5 (21...Qg5 22.f4 Qh6+–) 22.Qd8 1–0. Taulien,Hans_Juergen – Grimm,Manfred, remoteschach.de, 2002.

3.Nc3 e4 4.e3 d5 (4...Qf5 5.Nge2 d5 6.Ng3=) 5.Bb2 (5.Nd5 Qa1 6.Nc7 Kd8 7.Na8 Qa2 8.d3 Bb4 9.Ke2=) 5...d4 (better is 5...Qg5=) 6.Ne4+/– Qf5 (better is 6...Qg6!? 7.Qf3 Bg4+–) 7.Bd3+– de3? (7...Qd5+–) 8.Nd6!! Bd6 (8...cd6 9.Bf5; 8...Bd6 9.Bf5) 9.Bf5 Nf6 (9...ef2 10.Kf2 Bc5 11.d4 Bf5 12.Qf3+–) 10.Bc8 Ng4 11.Qg4 (11...a5 12.Bb7+–) 1–0. ygfr – nwyf, internet, 2009.

3.Nc3 Qe6 4.Nf3 (4.e4 Nf6 5.Qf3 Bc5 6.Be2 d6 7.Na4 Bb4 8.c3 Ba5 9.Nb2 a6 10.Nh3=+) 4...Nf6 5.e4 Bb4 6.Ng5 Qe7 7.Bb2 h6 8.Nf3 d6 9.Bd3 a6 10.a4 =+.

3.e3 d5 4.Bb2 =+.

3.e3 Nh6 4.Be2 (4.Nc3 c6=) 4...b6 (4...Qg6!?=+) 5.Bb2+= Bb7 6.Bf3 (6.Nf3 d6+=) 6...Bf3 (6...c6 7.d4=) 7.Nf3 (7.Qf3 Qf3 8.Nf3 f6+=) 7...Bd6 8.Nc3 (better is 8.e4+=) 8...c6 (better is 8...a6!?=) 9.Ne4+/– Qe7 10.bc6 (better is 10.Nd6!? Qd6 11.Be5+/–) 10...Nc6= 11.Nd6 (11.Qe2 f5 12.Nd6 Qd6=) 11...Qd6 12.Ng5 (12.0–0 0–0=) 12...Qf6 (12...Qg6 13.Nf3=+) 13.h4 (13.f4 Qg6=) 13...Qe7 (13...Qg6 14.Rh2=+) 14.Rh3 (14.f4 f6 15.Qh5 Kd8=) 14...f6=+ 15.Ne4 Qb4 (better is 15...d5 16.Nc3 Rd8=+) 16.Nf6? (better is 16.Nc3=) 16...gf6–+ 17.Bc3 Qd6 18.Qh5 Kd8?? 19.Qh6+/– Kc7 20.Rg3 Qe7 21.e4 Rag8 22.Rd3 Rg2= 23.0–0–0 Rhg8 24.Bb2 Rg1 25.Ba3 Nb4?? 26.Rc3+= Kb7 27.Rg3?? Na2 28.Kb2+– Nb4 29.Rdg1 Qc5 30.Bb4 Qb4 31.Ka2 Rc8 32.Rb1 Qa4 33.Ra3+– Rc2 34.Rb2 Qc4 35.Rab3 Qa4 36.Ra3?? Qc4= 37.Rab3 Rb2?? 38.Kb2+– a5? 39.Qg7 Ka6?? 40.Qd7+– a4 41.Rc3 Qb4 42.Kc2 a3 43.Qc8 Kb5 44.Qc6 Ka6 45.Qa8 Kb5 46.Rb3 Qb3 47.Kb3 (47...a2 48.Qd5 Ka6 49.Kb4+–) 1–0. manofsteel5 – alfonso, Live Game Caissa's Web, 2005.

3.f3 d5 4.e3 =+.

3.f3 Nh6 4.g3 (4.Nc3 Nf5 5.Nh3 Ne7=+) 4...Bc5 5.Ba3 Bd4 6.c3 Bc5?? (better is 6...Bb6–/+) 7.Bc5+– Qf5 8.g4 Qf4 9.Nh3 Qc4 10.d4 Qb5 11.Na3 Qb2 12.de5?? Qc3–+ 13.Kf2? Qc5 14.e3 Qa3 15.Ng5 Qb2 16.Kg3 Qe5 17.Kf2 Qg5 18.h3 Nc6 19.h4 Qc5 20.Rc1 Qa3 (21.Bc4 Qe7–+; 20...Qe5 21.Qc2–+) 0–1. Francis – Hansen, internet, 2008.

3.g3 Bc5=+ 4.Bb2?? (better is 4.e3=+) 4...Qf2# 0–1. Baesecke,Bjoern – Koziol,Florian, Bezirk2–ch U14, 2001.

3.Nc3 Bb4

4.Nd5 Qd6 5.Nb4 Qb4 6.a4 Nf6 =.

4.Nd5 Qd6 5.Nb4 Qb4 6.e3 Nf6 7.Nf3 (7.a3 Qe7 8.Bb2 d6 9.d4 0–0 10.de5=) 7...d6 8.c3 (8.a3 Qa5= (8...Qa4 9.Rb1 Bf5 10.d3=) 9.Be2 a6 10.Rb1=) 8...Qa5=+ 9.a4 (9.Bc4 0–0 10.Qb3=) 9...0–0 (9...c5 10.bc6 Nc6 11.Ba3=+; 9...e4 10.Nd4=) 10.Qc2 (10.Ba3 c5 11.bc6 Nc6 12.Bd6 Rd8=) 10...e4 (10...c5 11.e4=) 11.Ng5 a6 (better is 11...Re8!?=+) 12.Ne4+/– Ne4 13.Qe4 ab5 14.Bb5 (14.Bd3 f5 15.Qd5 Kh8 16.Qb5 Nd7+/–) 14...c6 (14...Nd7 15.Qb4+/–) 15.Bd3+/– f5 16.Qd4 (16.Qf4 Rf6+/–) 16...d5 (16...Qc7 17.Qf4+/–) 17.Ba3 (17.c4 Be6+/–) 17...Rf7 (17...Qa4 18.c4 Qa7 19.Qf4+/–) 18.0–0 Qa4?? (better is 18...Nd7+/–) 19.Qe5+– Nd7 20.Qe8 Nf8 21.Bf8 Rf8 22.Ra4 Re8 (22...Ra4 23.Qe5+–) 23.Ra8 b5 (23...Kf7+–) 24.Bf5! (24...Bf5 25.Re8 Kf7 26.Rb8+–) 1–0. marekt – pma92, internet, 2008.

4.Nd5 Qd6 5.Nb4 Qb4 6.Nf3 Qb5=+ 7.e3 e4?? (better is 7...Qa5–/+) 8.Bb5+– (8...ef3 9.Qf3+–) 1–0. dwtu – oxbh, internet, 2009.

4.Nd5 Qd6 5.e4 Ne7= (5...Nf6 6.Nf6 Qf6 7.c3 Bc5 8.Nf3 Qe6 9.Qb3 Qg6 10.Qd5=) 6.Nb4 Qb4 7.c4 d6 8.a3 Qa5 9.Bb2 Nd7 10.Bc3 =.

2.b5 Nf6

3.Ba3 (--> 1.b4 e5 2.Ba3 Nf6 3.b5).

3.a4 (--> 1.b4 Nf6 2.a4 e5 3.b5).

3.b6 ab6 4.Bb2 –/+.

3.b6 cb6 4.Nf3 (4.e4 Ne4 5.Qe2 d5–/+) 4...Nc6 5.c3 (5.e3 d5–/+) 5...Bc5 (5...d5 6.e3–+) 6.Qb3 (6.d4 ed4 7.cd4 Bb4 8.Bd2 Be7–/+) 6...h6 (6...0–0 7.Ne5 Ne5 8.d4–+) 7.c4 (7.Ne5 Ne5 8.d4 Bd6–/+) 7...d6 (7...e4 8.d4 Nd4 9.Nd4 Bd4 10.Bb2 Bb2 11.Qb2–+) 8.Nc3 (8.d3 d5–+) 8...Na5 (8...e4 9.Ng1–+) 9.Qa4 (9.Qc2 Be6–/+) 9...Bd7–+ 10.Nb5? (better is 10.Qc2–+) 10...a6 11.e3 ab5 12.cb5 Nc6 13.Qb3 Be6 14.Qc2 Nb4 15.Qb2 Ra2 16.Qb1 Qa8 17.Ra2 Qa2 18.Qa2 Na2 19.Bb2 Ke7 20.d4 Bb4 21.Ke2 Bc4 22.Kd1 Bf1 23.Rf1 Bc3 24.Ba3 Ra8 25.de5 Ra3 26.ef6 Bf6 27.Ke2 Nc3 28.Kd3 Nb5 29.Kc4 Ra5 30.Rb1 d5 31.Kd3 Ra3 32.Kd2 Ra2 33.Kc1 Ra1 34.Ra1 Ba1 35.g4 f6 36.Kc2 Kd6 37.h4 Nc7 38.g5 b5 39.Kb1 Be5 40.gh6 gh6 41.h5 Ne6 42.Nd2 Ng7 43.f4 Bc3 44.Nb3 b6 45.Kc2 b4 46.Kd3 Nh5 47.f5 Ng3 48.Nc1 h5 49.Kc2 h4 50.Na2 h3 51.Nc3 bc3 52.Kc3 h2 53.Kd4 h1Q 54.e4 Qd1 55.Ke3 Qe2 56.Kf4 Qf2 57.Kg4 Ne4 (58.Kh5 Qf5 59.Kh6 Ng5 60.Kh5 d4 61.Kh4 Qh3#) 0–1. Jolilein – Steffen42@, mySchach.de, 2005.

3.Nc3 a6 4.e4 ab5 5.Bb5 c6 6.Bc4 (6.Bf1=+) 6...Qb6 (6...b5!? 7.Bd3 b4–/+) 7.Rb1 Qa7 8.Nf3 Ng4 (8...b5!? 9.Bb3 b4 10.Ne5 bc3 11.Bf7 Ke7–/+) 9.0–0 (9.Bf7!? Kf7 10.Ng5 Ke8 11.Qg4+/–) 9...Bc5+= 10.Ng5 (10.Bf7 Ke7 11.Qe2 Bf2 12.Kh1 Bc5+=) 10...Bf2 (10...Nf2!? 11.Bf7 Kd8–/+) 11.Kh1= d5 12.ed5 cd5 (12...0–0!? 13.dc6 bc6+=) 13.Nd5 Rf8? (better is 13...b6+/–) 14.Nc7+– Kd8 15.Na8 Qa8 16.Rb3 (16.Qf3 Qa4 17.Nf7 Rf7 18.Qf7 Qc2 19.Qg8 Kc7 20.Qg7 Nd7+–) 16...Qa7 (16...Bc5 17.Nf7 Rf7 18.Rf7 Nf2 19.Rf2 Bf2 20.Qh5+–) 17.h3 (17.Nf7 Ke7 18.Ba3 Bc5 19.Bc5 Qc5 20.Rb7 Bb7 21.Qg4 Bc8 22.Qg5 Kd7 23.Ne5 Kc7 24.Qg7 Nd7 25.Rf8 Qf8 26.Qh7 Qb4+–) 17...Nc6 (17...f6 18.Nf7 Ke7+–) 18.hg4 Qc5 (18...f6 19.Ba3 Re8 20.Nf7 Kc7 21.Bd6 Kd7 22.Qf3+–) 19.Qe2 (better is 19.Nf7 Kd7 20.Qe2 Nd4 21.Qf2 Nb3 22.ab3 Qf2 23.Rf2 Kc7+–) 19...Bh4 (19...Nd4 20.Qf2 Qc4 21.Rc3 Qa2 22.Ba3+–) 20.Qd3 (20.Nf7 Rf7 21.Rf7 Nd4+–) 20...Nd4 21.Ba3 Qc6 22.Bf8 Ke8 (22...Bg5 23.Bg7 Bd7+–) 23.Bf7 Kd8 24.Nf3 Qh6 25.Bd6 (better is 25.Kg1 Bg3+–) 25...Bg4 (25...Be7 26.Bh5 Qd6 27.Nd4 Qd4 28.Qh7+–) 26.Rb7 (better is 26.Kg1 Bf3 27.Be5 Bc6+–) 26...Bf2 (26...Bg3 27.Bh5 Qh5 28.Kg1 Nf3 29.Rf3 Qh2 30.Kf1 Qh1 31.Ke2 Qe1) 27.Nh2 Be2 28.Qa3 Bg4 29.Be7 Kc8 30.Qa8 1–0. Taulien,Christian – Fritz,Marco, remoteschach.de, 2001.

3.Nc3 c6 4.a4 (4.Nf3 e4 5.Ne5 d6–/+) 4...Bc5 (4...d5 5.Nf3 d4 6.Nb1=+) 5.e3 (5.Ba3 Ba3 6.Ra3 d5=+) 5...0–0 (5...d5 6.Ba3 Ba3 7.Ra3=+) 6.Be2 (6.Nf3 e4 7.Nd4 d6=+) 6...d5 7.Nf3 d4 8.ed4 ed4 9.Na2 Bg4 (9...Qa5 10.0–0=+) 10.0–0=+ Re8 11.Bc4 (11.Re1 Qb6 12.Kh1 cb5 13.Bb5 Re1 14.Qe1 Bf3 15.gf3 a6–/+) 11...Nbd7–/+ 12.h3 Bf3 13.Qf3 Ne5 14.Qe2 (14.Qb3 Nc4 15.Qc4 Qd5 16.Qd5 Nd5–/+) 14...Nc4 15.Qc4 Bd6 16.Bb2 c5 17.c3 dc3 18.Nc3 Be5 19.d3 Qd6 20.Ne4 Ne4 21.Be5 Qe5 22.de4 Qe4 23.Qc5 b6 24.Qg5= Re5 25.Qg3 Qf5 26.Rac1 Rae8 27.f4 Re4=+ 28.Ra1 R8e6 29.Qf3 Re3 30.Qa8= Re8 31.Qa7 Qc5 32.Kh1 Qd5 33.Kh2 Re2= 34.Rg1 Qf3 35.Qb6+= Qf4 36.Kh1 R2e4 37.Qc6 h6 38.b6 Rb8? 39.a5 Rc4 40.Qb5 Rb4 41.Qd7 Rd4 42.Qa7 Rdd8 43.Raf1 Qc4 44.Qf7?? Qf7–+ 45.Rf7 Kf7 46.Rb1 Rd5 47.a6–/+ Ra5 48.a7 Rb7 49.Rb5 Ra1 50.Kh2 Ke6 51.Kg3 Kd6 52.Kf4 Kc6 53.Rb2 Rb6 54.Rc2 Kb7 55.Ke5 Ra5 56.Kf4 Rb4 57.Kg3 Ra3 58.Kh2 Ra7 59.Rf2 Kb6 60.g4 Ra3 61.Kg2 Rbb3 (62.Rf7 Rb2 63.Rf2 Rf2 64.Kf2 Rh3–+) 0–1. icewater – Blacknight, Caissa.com, 2004.

3.c4 Bb4 4.Qb3 Ba5 5.Bb2 (5.Qa3 c6+=) 5...d6–/+ 6.e3 0–0 7.g3 (better is 7.Nf3!?–/+) 7...Nbd7–+ 8.Bg2 Nc5 9.Qa3?? (9.Qc2 e4 10.Nc3 d5–+) 9...Bb6 (better is 9...Bb4! 10.Qb3 Nb3 11.ab3 Nd7–+) 10.Ne2 Re8 (10...Bf5 11.d4 Nd3 12.Kf1–+) 11.d3? (better is 11.d4 ed4 12.Nd4–/+) 11...Bg4–+ 12.Nd2 Be2 (better is 12...a6!? 13.Qc3 ab5 14.Qc2–+) 13.Ke2 Qd7 (13...a6 14.Qc3 ab5 15.cb5–/+) 14.h3 (14.Qc3 Qg4 15.Bf3 Qf5–/+) 14...Rab8 (14...a6!? 15.ba6 Ra6–+) 15.Rag1 Ne6 (15...h6!?–/+) 16.g4 c6 17.bc6 bc6 18.Qa4 Rec8 ˝–˝. Deneuville,Christian – Unger, corr SOK–96–112, 1996.

3.c4 Bc5 4.e3 +=.

3.c4 d5 4.d4 (4.cd5!? Nd5 5.Bb2=+) 4...dc4–/+ 5.Nf3? (5.e3 Be6–/+) 5...ed4 (better is 5...e4 6.e3 ef3 7.Qf3 Bb4 8.Bd2 Bd2 9.Kd2 Be6–+) 6.Nd4?? (6.Qd4 Qd4 7.Nd4 Bb4 8.Bd2=+) 6...Bb4–+ 7.Bd2 Bd2 8.Qd2–/+ c6 9.bc6 Nc6 10.e3 Nd4–/+ 11.ed4 0–0 12.Be2 Bf5 13.Na3 Re8 14.0–0? Ne4?? 15.Qc1 c3–+ 16.Rd1 Rc8 17.f3? Nd2 18.Nb5 Re2 19.Qa3 c2 20.Rdc1 Nc4 21.Qa7 Ne3 22.g3 Rg2 23.Kh1 Rd2 24.Qa3 Rd1 25.Rd1 cd1Q 26.Rd1 Nd1 27.Nd6 Rc3 28.Qb4 Rf3 29.Nb7 Qd5 30.Kg1 Rg3! 31.hg3 Qf3 32.Qb3 Qf2 33.Kh1 Be4 (34.Qf3 Bf3) 0–1. gdraper (2035) – oracleinshadows (1725), net–chess.com, 2006.

3.c4 d6 4.Bb2 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.b5).

3.c4 g6 4.Bb2 d6 5.e3 Bg7 6.h3 0–0 7.Nc3 Nbd7 8.d4 Re8 9.Be2 ed4–/+ 10.ed4 Nb6 11.Qb3 Be6 12.d5 Bf5 13.Rd1 (13.Nd1 Nbd7 14.Ne3 Nc5–/+) 13...Nbd7 14.Na4 Qe7?? (better is 14...a6 15.ba6 ba6–/+) 15.g4+/– Ng4 16.hg4 Bg4 17.f3 Bb2 18.fg4 Bf6 19.Qh3 Nf8 20.Rd2 (20.Qf3!?+/–) 20...Qe4= 21.Qf3 Qc4 22.Kf1?? (22.Qf6!? Qa4 23.Kf2+=) 22...Qc1 (better is 22...Qb4 23.Rd1 Bg7–+ (23...Qa4?! 24.Qf6 Re4 25.Qb2=)) 23.Rd1+= Qg5 24.Nh3 Qe5 25.g5 (25.Nf2 Re7=) 25...Bg7 (25...Bg5 26.Nb2+=) 26.Nf2 (better is 26.Rc1!?=) 26...Qg5–/+ 27.Rg1 (27.Nc3 Qe3 28.Rd3 Qf3 29.Rf3 Re7–/+) 27...Qe3 28.Rg3 Qf3 29.Rf3 Re7 30.Ng4 Re4 31.Nf6?? (better is 31.Ra3–+) 31...Bf6 32.Rf6 Ra4 33.Rd2 Nd7 34.Rf3 Re8 (34...Re4 35.Ra3–+) 35.b6 Nb6 36.Bb5 Rae4 37.Be8 Re8 38.Rdf2 (38.Rc3 Re7–+) 38...Re7 39.Rd3 h5 40.Rf4 Re5 41.Rfd4 Kg7 42.Kf2 f6 43.a4 a5 44.Kg3 (44.Rb3 Nd5 (worse is 44...Rd5 45.Rd5 Nd5 46.Rb7–+) 45.Rb7 Kh6–+) 44...g5 (44...g5 45.Rb3 Nd5 46.Rb7 Kg6–+) 0–1. Gross,Wilhelm – Van Kerckvoorde, Frankfurt am Main, 1984.

3.d3 d5 4.Nf3 Bd6 5.Bg5 –/+.

3.d4 e4 4.Bg5 a6 5.ba6 Na6 6.e3 h6 7.Bh4 d5 8.Ba6 ba6 9.Ne2 Be7 10.c4 g5 11.Bg3 Bb4 12.Nbc3 0–0 13.Qb3 Rb8 14.Be5 Bg4 15.Bf6 Qf6 16.cd5 Be2 17.Ke2 Qf5 18.Rhc1 Bd6 19.Qc2 Rfe8 20.h3 h5 21.Rab1 Rb6 22.Rb6 cb6 23.Kf1 b5 24.Kg1 Ba3 25.Rb1 g4 26.hg4 hg4 27.Qb3 Bd6 28.g3 f6 29.Rc1 Rc8 30.a3 Kh8 31.Rc2 Rc4 32.a4+/– Qc8 33.ab5 ab5 34.Qb5 Kg7 35.Ne4 Rc2 36.Nd6 Qf8 37.Qd7 Kh6 38.Qe6 Rc1 39.Kg2 Rc2 40.Ne4 Qc8 41.Qf6 Kh7 42.Ng5 Kg8 43.Qf7 Kh8 44.Qh7 1–0. GLChess211 – Bace, computer chess game, 2001.

3.e3 Bc5 4.a4 0–0 5.Nc3 a6 6.ba6 Na6 7.Nf3 Qe7 8.Bb2 Nb4 9.Nb5 c6 10.Na3 d6 11.d4 ed4 12.Nd4 Ra4 13.Nc4?? Bg4 14.Be2 Be2 15.Qe2 Ra1 16.Ba1 Qe4 17.0–0–/+ Nfd5 18.Nd2 Qh4 19.g3 Qg5 20.N2f3 Qg4 21.Re1 Ra8 22.Bb2 Ra2 23.c3? Nc3!!–+ 24.Qd2 Nbd5 25.Ra1 Bd4 26.ed4?? Ra1 27.Ba1 Qf3 28.Bc3 Nc3 29.Qe1 Ne2 30.Kf1 d5 31.Qe2 Qh1 0–1. wulfy – babylyub, ICS, 1998.

3.e4 Ne4 4.f3?? (better is 4.Qe2 d5 5.f3–/+) 4...Ng3 (better is 4...Qh4 5.g3 Ng3 6.hg3 Qh1–+) 5.hg3+– Bb4 (5...d5 6.Bb2 Bd6 7.Bd3+/–) 6.c3 Ba3?? (better is 6...Bd6+–) 7.Ba3 c5 (7...d6 8.d4+–) 8.Bc5 d5 9.Na3 Nc6 (9...Nd7 10.Bd6 Qb6+–) 10.bc6 bc6 11.g4 Rb8 (11...Qa5 12.Bb4 Qc7 13.d4+–) 12.Ba7 Rb3 (12...Rb7 13.Be3 Qd6+–) 13.ab3 Qa5 14.Be3 Qc5 15.Bc5 Rf8 16.g5 (16.Bf8 Kf8 17.Rh7 Kg8+–) 16...f5 17.gf6 (17.Bf8 Kf8 18.Rh7 Kf7+–) 17...Rf6 18.Rh7 g5 19.Re7 Kd8 20.Re5 Bb7 21.Nh3 (better is 21.Be7 Kc8 22.Bf6 c5+–) 21...g4 22.fg4 (better is 22.Be7 Ke8 23.Bf6 Kf7+–) 22...d4 23.Bd4 (better is 23.Be7 Kc7 24.Bf6 Bc8 25.Re7 Bd7+–) 23...c5 24.Bc5 Rf1 25.Kf1 Bg2 26.Kg2 Kc8 (26...Kd7 27.Re7 Kc6 28.d4 Kd5 29.Qf3) 27.Re8 (27.Re7 Kd8 28.Nc4 Kc8 29.Ra8) 27...Kc7 (27...Kd7 28.Re7 Kc6 29.d4 Kd5 30.Qf3) 28.Nb5 (28.Re7 Kc6 29.d4 Kd5 30.Qf3) 28...Kc6 (28...Kd7 29.Qe2 Kc6 30.Ra6 Kc5 31.Qe5) 29.Nd6 (29.Ra6 Kb5 30.Qe2 Kc5 31.Qe5) 29...Kc5 30.Ne4 (30.Ra6 Kd5 31.Nf4 Kc5 32.d4) 30...Kd5 (30...Kc6 31.Ra6 Kb7 32.Rae6 Kc7 33.Qg1 Kd7 34.Qa7) 31.d3 (31.Qg1 Kc6 32.Qc5 Kd7 33.Nf6) 31...Kc6 32.Rc8 (32.Ra6 Kd7 33.Rae6 Kc7 34.Qg1 Kd7 35.Qa7) 32...Kb6 (32...Kd7 33.Rca8 Kc7 34.R1a7 Kc6 35.Rc8 Kb6 36.Qg1 Kb5 37.Qc5) 33.b4 (33.Qg1 Kb7 34.Nd6) 33...Kb5 (33...Kb7 34.Nd6 Kb6 35.Qg1) 34.Rb8 (34.Nd6 Kb6 35.Qg1) 34...Kc6 35.Qf3 Kc7 36.Rb5 (36.Qf4 Kd7 37.Qd6) 36...Kd7 (36...Kc8 37.Ra7 Kd8 38.Rb8) 37.Qf7 Kc6 (37...Kd8 38.Rb8) 38.Qe8 (38.Qb7) 38...Kc7 39.Ra7 1–0. Franziska,Franzi – Bia,Bianca, remoteschach.de, 2002.

3.Nf3 d6 4.Bb2 (--> 1.b4 e5 2.Bb2 d6 3.b5 Nf6 4.Nf3).

3.Nf3 e4 4.Ne5 d6 –/+.

3.h3 c6 4.c4 Qb6 5.e3 Ne4 (5...cb5 6.cb5 d5 7.d4=+) 6.Bb2 f6 (6...d6 7.Qc2 Nc5 8.d4 Qa5 9.Qc3 Qc3 10.Nc3 ed4 11.ed4+=) 7.Na3 (7.Qh5!? Kd8 8.Qh4=) 7...Qa5 8.Bd3 (8.Qc1 Nd2 9.Qd2 Bb4–+) 8...Nf2 9.Kf2 Ba3 10.Bc3 Bb4 11.Qb3 (11.Qh5 Ke7 12.Ne2 d5=+) 11...Bc3–/+ 12.dc3 Qc7 (12...a6 13.b6–/+) 13.Qa4 (13.Qc2!?–/+) 13...cb5 14.cb5 Qc3 15.Rd1 b6?? (15...d5 16.Ne2 Qc7 17.Rc1–/+) 16.Be2?? (better is 16.Be4 Qb2 17.Ne2+–) 16...Bb7–+ 17.Rh2 (17.Bh5 g6 18.Ne2 Qb2=+) 17...0–0 (17...Qb2 18.Nf3–+) 18.Bc4 Kh8 19.Bb3 (19.Ne2!? Qb2 20.Bd3–/+) 19…a6–+ (20.Qa3 Rc8–+) 0–1. riverborne – JoeJoe, Live Game Caissa's Web, 2004.

3.h3 d5 4.Nf3 Bd6 5.d4 –/+.

3.Bb2

3.Bb2 (--> 1.b4 e5 2.Bb2 Nf6 3.b5).

3.Bb2 Bc5 (--> 2.b5 Bc5 3.Bb2 Nf6).

3.Bb2 Bc5 4.Nf3 d6 5.e3 (--> 2.b5 Bc5 3.Bb2 Nf6 4.e3 d6 5.Nf3).

3.Bb2 d6 4.c4 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.b5).

3.Bb2 d6 4.c4 Nbd7 5.e3 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.b5 Nbd7).

3.Bb2 d6 4.c4 Be6 5.e3 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be6 5.b5).

3.Bb2 d6 4.c4 Be6 5.e3 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.b5 Be6).

3.Bb2 d6 4.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 Nf6 4.b5).

3.Bb2 d6 4.e3 a6 5.c4 Be7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.b5 a6).

3.Bb2 d6 4.e3 Be6 5.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.e3 Be6 4.Nf3 Nf6 5.b5).

3.Bb2 d6 4.e3 Be7 5.Nf3 0–0 6.c4 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.b5 0–0 6.Nf3).

3.Bb2 d6 4.g3 (--> 1.b4 e5 2.Bb2 d6 3.g3 Nf6 4.b5).

3.Bb2 e4 4.a4 c6 5.c4 d5 6.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5 5.c4 c6 6.a4).

3.Bb2 e4 4.a4 d5 5.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5 5.a4).

3.Bb2 e4 4.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5).

3.Nc3 d5

4.d4 Bb4–+ 5.Bb2? Ne4 6.Qd3 Qf6 7.Nf3 ed4 8.Qd4 Qd4 9.Nd4 Bc3 10.Bc3 Nc3 (11.e3 a6–+) 0–1. Zamoht – grandmaster goldberg, ChessWorld.net, 2005.

4.e3!? –/+.

4.Nf3 –/+.

3.d3 Be7

4.e4 0–0 5.Nf3 c6 6.Ne5= Re8 7.c3 cb5=+ 8.Nf3 d5 9.Nbd2 Nc6 10.e5=+ Ng4 11.d4 f6 12.Be2 fe5–/+ 13.de5 Nge5 14.0–0 Bf6 15.Bb5 Bd7 16.Ne5=+ Ne5 17.Bd7 Qd7 18.Bb2 Nd3 19.Qc2 Qb5 20.Ba3 Rac8 21.Rab1 Qa6 22.Qb3 Rc3 23.Qd5 Kh8 24.Qd7?? Rd8–+ 25.Qe6 Qa3 26.Rb7 Qd6 27.Qe4?? Nc5–+ 28.Nc4 Qh2! 29.Kh2 Ne4 30.Na5 Rc2 31.Rfb1 h6 32.Rb8 Rb8 33.Rb8 Kh7 34.g3 Rf2 35.Kh3 Ng5 36.Kg4 Ra2 37.Nc6 Ra4 38.Kf5 Nf7 39.Rb7 Nd6 40.Ke6 0–1. pinecrest1981 – Pa118, Live Game Caissa's Web, 2005.

4.e4 d5 5.ed5 Nd5 6.Nf3 Bb4 7.Bd2 =+.

4.Nf3 d6 =+.

4.g3 d6 5.Bg2 c6 6.a4 a6 7.bc6 Nc6 8.Nf3 h6 9.Nbd2 Be6 10.c4 Qd7 11.Bb2 0–0 12.h3 a5 13.Bc3 Rfc8 14.e4 Nb4 15.Qb1 Nc6 16.Nf1 Bd8 17.Ne3 Ra6 18.Qc2 Nh7 19.g4 Ng5 20.Nh2 Bb6 21.Nd5 Bd5 22.ed5 Nd4 23.Qd1 f5 24.h4 Nh7 25.Rb1 Rf8 26.Rb2 Bd8 27.Nf3 fg4= 28.Nd4 ed4 29.Bd4 Bf6 30.Bf6 Nf6 31.0–0 Raa8 32.Rb5 h5 33.Qb3+= Ra7 34.Rb1 Rf7 35.Qc3 Qd8 36.Qd4 Qb8 37.Qf4 Nd7 38.Qg5 Ne5 39.Qh5 g6 40.Qg5+– Rf5 41.Qe3 Rf7 42.c5 Nf3? 43.Bf3+– gf3 44.cd6 Qd8?? 45.Qd4 Qd7 46.Re1 Qh3?? 47.Re8 Rf8 48.Rf8 Kf8 49.Qf6 Kg8 50.Qg6 Kf8 51.Rc5 Qg2 52.Qg2 fg2 53.Kg2 Ke8 54.Rc7 Ra6 55.Rb7 Rd6 56.Rb5 1–0. Ristic,Sreten (1940) – Holzweissig,Hans Joachim (1880), Pinneberg–ch, 2006.

3.e3 d5

(--> 1.b4 e5 2.b5 d5 3.e3 Nf6).

4.Bb2 Bd6 (--> 1.b4 e5 2.b5 d5 3.Bb2 Bd6 4.e3 Nf6).

2.b5 g6

3.Bb2 d6 4.c4 Bg7 5.e3 (--> 1.b4 e5 2.Bb2 d6 3.c4 g6 4.e3 Bg7 5.b5).

3.Bb2 f6 4.e4 c5 (4...d5!? 5.ed5 Qd5=) 5.Bc4+= b6?? (better is 5...a6+=) 6.Bd5+– a6 (6...Nc6 7.bc6 Rb8 8.Nf3+–) 7.Ba8 ab5 8.Nc3 Bh6 (8...b4 9.Nd5+–) 9.Nb5 Ne7 (9...d6 10.Nf3+–) 10.Nd6 Kf8 11.Qf3 Bg5 (11...Kg7 12.Nc8 Nc8 13.Ne2+–) 12.Qb3 (better is 12.Nc8 Nc8 13.Be5 Nc6+–) 12...Bf4 (12...Kg7+–) 13.Qf7 1–0. Taulien,Hans_Juergen – Rauschenberger, Sabrina, remoteschach.de, 2002.

3.g3 c6 4.e3 (4.Nf3 Bg7 5.Bb2 d6=) 4...a6 (4...d5 5.Bb2 Bd6 6.f4=) 5.Bb2= Bg7 (5...d6=) 6.Qf3 (better is 6.f4!?=) 6...ab5–/+ 7.Qe4 (7.e4!?–/+) 7...d5–+ 8.Qb4 Bf5 (8...Na6 9.Qb3–+) 9.Nf3–/+ f6 10.Nh4 (better is 10.d3!?–+) 10...Bc2 11.Nc3 Ba4 (11...Na6 12.Qg4–+) 12.Na4 Ra4 (12...ba4?! 13.Qb7 Nd7 14.Qc6=+) 13.Qc5 Bf8 14.Qc1 Bd6 15.Bh3 f5 16.g4?? Qh4 17.Bg2 Qg4 18.Rg1 Qc4 19.Qb1 Nd7 20.f4 ef4 21.Bh8 Be5 22.Be5 Ne5 23.Bf1 Qc5 24.Be2 f3 25.d4? Qc3 26.Kf2 fe2 27.de5 Rf4 28.ef4+– Qd4 29.Kg2 Qf4 30.Qe1 Qe5+/– 31.Rc1 Nf6 32.Qd2 Ng4= 33.Rh1?? Qe4–+ 34.Kg1 Qf3 35.Qd4 Qe3?? 36.Qe3+/– Ne3 37.Re1 d4 38.Re2 c5+= 39.Kf2 Kd7 40.Kf3 g5 41.h3 h5= 42.a3 Kc6 43.Rg1 g4 44.hg4 fg4 45.Kf4 h4 46.Kg5 h3+= 47.Kh4 c4= 48.Rh1? c3 49.Rc1 Kc5 50.Kg3?? Kc4–/+ 51.Kf4 Kb3?? 52.Ke4–/+ Kc4 53.Re3 de3–/+ 54.Ke3 g3 55.Ke4 g2 56.Rb1? h2 57.Rb4 Kc5 58.Rd4 g1Q 59.Rd5 Kc6 (60.Kd3 Kd5–+) 0–1. solidsteel – smoothstone, Live Game Caissa's Web, 2006.

3.g3 d5 4.Nf3 e4 5.Bb2 =+.

3.Bb2 Bg7

4.c4 Ne7 5.Nf3 d6 6.d4 Nd7 7.e3 0–0 8.Be2 Re8 9.0–0 b6 (9...Nf5 10.Nbd2=) 10.a4 e4 (10...a6 11.Nbd2=) 11.Nfd2+= Bb7 12.a5 Rb8 (12...a6 13.Nc3+=) 13.Nc3 Nf6 14.a6 Ba8 15.d5 Nf5 16.Qc2 Qe7 17.Rfe1 h5 18.g3 Nh6 19.Bf1 Kh7 20.Bg2 Nhg8 21.Rab1 Rbc8 22.Nde4 Ne4 23.Ne4 Bb2 24.Rb2 Qe5 (24...Nf6 25.Ng5 Kg7 26.Nf3+–) 25.f4 Qe7 26.Ng5 Kg7 27.Qc3 Qf6 28.Qf6 Nf6 29.Rbe2 Re7 30.e4 Nd7 31.Bh3 Rce8 32.Bd7 Rd7 33.Kf2 Kf6 34.h4 Rde7 35.Ke3 Kg7 36.Kd4 White intends e5 36...f6 37.Nf3 White prepares e5 37...Kf7 38.Re3 Rd7 39.Kc3 Rde7 40.e5 de5 41.fe5 Kf8 42.Kd4 Kf7 43.ef6 Re3 44.Re3 Re3 45.Ke3 Kf6 46.Ng5 Ke7 (46...Ke5 47.Ne6 Bd5 48.cd5 Kd5 49.Nc7 Ke5 50.Na8+–) 47.Ne6 c6 48.Nc7 cb5 49.cb5 Kd6 50.Na8 Kd5 51.Nb6! Kc5 (51...ab6 52.a7 Passed pawn) 52.Nc8 Kb5 53.Na7 (53.Na7 Ka6 54.Kf4+–) 1–0. Grabmeier,Johannes (2105) – Eichinger,Hans (1895), Niederbayernliga, 2005.

4.e3 d6 5.c4 (--> 1.b4 e5 2.Bb2 d6 3.c4 g6 4.e3 Bg7 5.b5).

4.e3 d6 5.Nf3 Nf6 6.d4 e4 7.Nfd2 a6 8.c4 ab5 9.cb5 0–0 10.Nc3 d5 11.Qb3 c6 12.a4 Be6 13.Qb4 (13.Ba3 Re8=) 13...cb5 14.Bb5 Na6 15.Qb3 Nc7 (15...Qa5!?=) 16.Ba3+/– Nb5 17.Nb5 Ng4 (17...Qa5!? 18.Bf8 Bf8+/–) 18.h3 Nh6 19.Bf8 Bf8 20.0–0 Qh4 (20...Qa5 21.Qb2+–) 21.f3 (21.Nc7 Bh3 22.gh3 Qg5 23.Kh1 Qh4+–) 21...Bh3 (better is 21...Qg3 22.Rf2 Nf5+–) 22.gh3?? (better is 22.Qd5 ef3 23.Qf3+–) 22...Qg3= 23.Kh1 Qh3 24.Kg1 Qg3 25.Kh1 Nf5 26.fe4?? (better is 26.Rae1 Qh4 27.Kg1 Qg3 28.Kh1 Qh4 29.Kg2 Qg3 30.Kh1=) 26...Nh4 27.Rf2 Qf2 28.Rg1 Qd2 29.Qc3 Qe2 30.Qe1 Qf3 31.Kh2 Qh5 32.Kg3 Nf3 33.Qd1 de4 34.Rh1 Qg5 35.Kf2 h5 36.d5 Bc5 37.Qc1 Ra4 38.Nc3 Ra3 39.Rh3 Be3! 40.Qe3 Qg1 41.Ke2 Qe1# 0–1. Boysan,Ferit – Haslinger,Stewart (2410), Internet Section, 2004.

4.e4 c5 5.Nc3 (5.Nf3 d6+=) 5...a6 (5...Nf6 6.Nf3=) 6.Nf3+= ab5 7.Bb5 Ne7 8.Bc4 (8.Na4 Qc7=) 8...d6 (better is 8...0–0+=) 9.Bf7?? (better is 9.Ng5 0–0 10.Qf3+=) 9...Kf7–+ 10.Ng5 Ke8 11.0–0 h6 12.Nf3 Bg4 13.h3 Bf3 14.Qf3 Rf8 15.Qg4 Qd7 16.Qg6?? Ng6 (17.Nd5 Qf7–+) 0–1. trex1 – Rica4Herbert, Live Game Caissa's Web, 2005.

4.e4 Ne7 5.Nf3 d6 (5...d5 6.ed5 Qd5 7.Bd3=) 6.Bc4 Bd7 (6...a6 7.ba6 Na6 8.d4=) 7.a4 (7.0–0 a6 8.a4 f5+=) 7...c6 8.Qe2 (8.Nc3 0–0+=) 8...Nc8 (8...f5 9.Nc3+=) 9.0–0 Nb6 10.Bb3 Qe7 (10...0–0 11.Nc3+=) 11.c4 (11.Nc3 0–0+/–) 11...Be6 (11...Bg4 12.h3 Be6 13.d4+=) 12.a5 (12.d4 ed4 13.Bd4 Bd4 14.Nd4 N6d7+=) 12...N6d7 13.Nc3 (13.d4 Bg4+=) 13...Nc5 14.Ba4 (14.Bc2 Qf6=) 14...0–0 (14...a6 15.bc6 bc6 16.Rfd1=) 15.Rfd1 (15.Bc2 f5=) 15...f5 (15...cb5 16.cb5 Na4 17.Na4 f5=) 16.d4 (16.Bc2 fe4 17.Ne4 Bg4=+) 16...ed4 (better is 16...fe4!? 17.Ne5 Na4 (< 17...de5 18.dc5 Qf7 19.Qe3+=) 18.Ra4 cb5 19.Nb5 de5–/+) 17.Nd4= Qf7 (17...fe4 18.bc6 Na4 19.Ra4 Nc6 20.Nc6 bc6 21.Ne4 Bb2 22.Qb2=) 18.Ne6 (18.bc6 bc6 19.ef5 Bc4=) 18...Qe6 19.f3 (19.a6 A) < 19...fe4 20.ab7 Nb7 21.bc6+/–; B) 19...ba6 20.bc6 Rc8 21.Nd5 Nc6 22.Bg7 Kg7 23.Bc6 Rc6 24.Qb2 Qe5 25.Qe5 de5 26.ef5+=; C) 19...Na4? 20.ab7 (20.Ra4?! ba6 21.bc6 Nc6=) 20...Nc3 21.Bc3+–; D) 19...cb5 20.ab7 Nb7 21.Bb5 fe4+/–) 19...fe4 (19...Bc3 20.Bc3 fe4 21.a6=) 20.Ne4 Ne4 (20...Bb2 21.Qb2 Ne4 22.fe4+=) 21.Bg7+= Kg7 22.fe4 (22.Qe4 Qe4 23.fe4 Rf6+=) 22...cb5 (22...a6 23.Qd3+=) 23.cb5 Nd7 24.Qd3 Rf6 25.Bb3 Qe5 26.Rac1 Nc5= 27.Qd5 Re8 28.Qe5+= Re5 29.Bd5 b6 30.ab6 ab6 31.Rc4 Rf4 32.g3 Rf6 33.Ra1 Re7 34.Ra8 Rf8 35.Rf8 Kf8 36.Kf2 Ra7 37.Rd4 Ke7 38.Kf3 Kf6 39.Bc6 Ke6 40.Kf4 Ra4 41.Ra4+/– Na4 42.g4 h6 43.h4 Kf6 44.g5 hg5 45.hg5 Ke7 46.Bd5 Nc5 47.Kf3 Nd7 48.Ke3+= Ne5 49.Bg8 Nf7 50.Bf7 Kf7 51.Kd3 Ke7 52.Kc4 Ke6 53.Kd4 Ke7 54.Kd5 Kd7 55.e5 ˝–˝. Martisek,Karel – Pridal,J, Dedek mem Brno, 2000.

4.e4 Nf6 5.Nc3 =.

4.Nf3 d6

5.e4 Nf6 6.Nc3 0–0 7.d4 (better is 7.Bc4=) 7...d5?? (better is 7...ed4 8.Nd4 Qe7=+) 8.de5+/– Ne4 9.Qd5 Qd5? (better is 9...Ng5 10.Ng5 Qg5+/–) 10.Nd5+– Nd7 11.Nc7 Rb8 12.Ba3 (12.Rd1 Ndc5+–) 12...Ndc5 13.Rd1 Bf5 14.Bc4 Nc3? 15.Bc5 Rfd8 16.Rd8 Rd8 17.0–0 Ne4 18.e6 fe6 19.Ne6 Be6 20.Be6 Kh8 21.Ba7 Nd2 22.Ng5 Re8 23.Rd1 h6 24.Nf7 Kh7 25.Bd5 g5 26.Bb7 Bf6 27.Bd5 Kg6 28.b6 Bd4 29.Nd6 Re7 30.Nc8 Rd7 31.Rd2 Rd5 32.Ne7 (32...Kf7 33.Nd5+–) 1–0. deepaktnj – alarconconsult, internet, 2007.

5.e4 Nf6 6.Nc3 a6 7.Bc4 (7.a4 ab5 8.ab5 Ra1 9.Qa1 Nbd7=) 7...ab5 8.Nb5 (8.Bb5!? c6 9.Bd3=) 8...Ne4–/+ 9.Qe2 Nf6 10.Ne5 0–0 (10...de5 11.Qe5 Kf8 12.Qc7 Qe8 13.Qe5 Qe5 14.Be5–/+) 11.Nf7=+ Rf7 12.Bf7 Kf7 13.Qc4 Be6 14.Qc7 Qc7 15.Nc7 Ra2 16.Ra2 Ba2 17.0–0 Be6 (17...Nc6 18.Ra1 Be6 19.Ne6 Ke6 20.Rb1=) 18.Ne6= Ke6 19.Re1 (19.Rb1 Nbd7=) 19...Kf7 (19...Kd7!?=) 20.Ba3+= Bf8 (20...Ne8 21.Rb1 Ke6 22.Rb7+=) 21.Rb1 d5 22.Rb7 Nbd7 23.Bf8 Kf8 24.c4 (24.d3 Ke7+=) 24...dc4= 25.Rc7 (better is 25.Rb4!?=) ˝–˝. Langguth,Wilhelm – Cuno,Thomas, corr ICCF Cup8/9 V071, 1990.

5.e3 Nf6

6.c4 0–0 7.Nc3 a6 8.Be2 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Ncb5 Nd4 13.Nd4.

6.c4 0–0 7.Nc3 Nbd7 8.d4 a6 9.Be2 ed4 10.Nd4 Nc5 11.0–0 Re8 12.Qc2 ab5 13.cb5.

6.c4 0–0 7.Nc3 Nbd7 8.Be2 Nc5 9.0–0 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

6.c4 0–0 7.Nc3 e4 8.Nd4 c5 9.bc6 Nc6 10.Be2 Nd4 11.ed4 d5 12.Ba3 Re8 13.0–0.

6.c4 0–0 7.Nc3 e4 8.Nd4 c5 9.bc6 Nc6 10.Be2 Nd4 11.ed4 Bd7 12.0–0 Qb6 13.Rb1.

6.c4 0–0 7.Nc3 Qe7 8.Be2 Nbd7 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Nc5 13.d4.

6.c4 0–0 7.Nc3 Bf5 8.Be2 (8.h3 Nbd7 9.g4 Be6 10.g5 Nh5 11.Ne4 f5 12.gf6 Nhf6 13.Nc3) 8...a6 9.0–0 ab5 10.cb5 Nbd7 11.a4 b6 12.d4 Re8 13.Rc1.

6.c4 0–0 7.Be2 a6 8.0–0 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Nb5 d5 13.N1a3.

6.c4 0–0 7.Be2 a6 8.0–0 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Nb5 d5 13.d4.

6.c4 0–0 7.Be2 a6 8.Nc3 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 bc6 12.f3 c5 13.Ndb5.

6.c4 0–0 7.Be2 a6 8.Nc3 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Ncb5 Nd4 13.Nd4.

6.c4 0–0 7.Be2 a6 8.d4 ed4 9.Nd4 ab5 10.cb5 c5 11.bc6 bc6 12.0–0 c5 13.Nb5.

6.c4 0–0 7.Be2 a6 8.d4 ed4 9.Nd4 ab5 10.cb5 c5 11.bc6 bc6 12.Bf3 d5 13.Nc3.

6.c4 0–0 7.Be2 Nbd7 8.0–0 c5 9.d4 (9.Qc2 Nb6 10.Nc3 Bf5 11.e4 Be6 12.d3 a5 13.Bc1) 9...ed4 (9...cd4 10.ed4 e4 11.Nfd2 b6 12.Nc3 Bb7 13.Qc2) 10.ed4 Nh5 (10...cd4 11.Nd4 Re8 12.Nc3 Nc5 13.Re1) 11.Qd2 Qf6 (11...Nb6 12.Nc3 Bg4 13.d5) 12.a4 (12.Nc3 Nb6 13.dc5) 12...Nf4 13.Ra2 (13.Nc3+=) 13...Qf5 14.g3 Ne2 15.Qe2 Nf6 16.dc5 Re8 17.Qd1 dc5 18.Bf6 Qf6 19.Nh4 Be6 20.Na3 Qc3 21.Qc2 Qe5 22.Nb1 Rad8 23.Nd2 Bh3 24.Ng2 Bh6 25.f4?? (better is 25.Nb3–/+) 25...Qd4–+ 26.Rf2 (26.Kh1 Re2 27.Nh4 Bf1–+) 26...Re2 27.Ne4 Rc2 (27...Qe4 28.Re2 Qd4 29.Ne3+/–; 27...Re4 28.Qc1 Qc4 29.Qc4 Rc4 30.Rfc2 Rc2 31.Rc2 Rd1 32.Kf2–+) 28.Rac2 Qe4 29.Rfe2 Rd1 30.Ne1 Re1 0–1. Glaeser,Hartmut (1675) – Kierzek,Mira (2030), Halle GER, 2011.

6.c4 0–0 7.Be2 Nbd7 8.0–0 Nc5 9.Nc3 Bd7 10.d4 ed4 11.Nd4 Qe7 12.Qc2 Rfe8 13.Bf3.

6.c4 0–0 7.Be2 Nbd7 8.0–0 Nc5 9.Nc3 Bd7 10.d4 ed4 11.Nd4 Qe7 12.Bf3 Rfe8 13.Qc2.

6.c4 0–0 7.Be2 Nbd7 8.0–0 Re8 9.d4 (9.Nc3 Nc5 10.d4 ed4 11.Nd4 Bd7 12.Qc2 Qe7 13.Bf3) 9...Ne4 (9...ed4 10.Nd4 Nc5 11.Nc3 Bd7 12.Qc2 Qe7 13.Bf3) 10.Nbd2 (10.Nc3 Nc3 11.Bc3 e4 12.Nd2 Qg5 13.Kh1) 10...Nd2 11.Nd2 e4 (11...a6 12.ba6 Qe7 13.ab7) 12.Qc2 Qe7 (12...Qh4 13.g3) 13.a4 (13.h3=) 13...h5 14.Rfe1 Nf8 15.f3 ef3 16.Bf3 Ne6 17.a5 Rb8 18.Rac1 Bd7 19.Qd3 c5 20.Nb3 (20.Bc3 h4+=) 20...f5 (20...Ng5 21.e4+=) 21.Ba3 b6 22.Bd5 Kh7 23.dc5 dc5 24.g3 (24.e4!? Nc7 25.Qf1=) 24...Rbd8 25.Qc2 Ng5 26.ab6 ab6 27.Nd2 Be6 28.h4? (better is 28.Bc6!?=) 28...Bd5–/+ 29.cd5 Ne4 30.Ne4 Qe4 31.Qe4 Re4 32.Rcd1 Re5 33.d6 Rd7 34.Rd3 (34.Bb2 Re6 35.Bg7 Kg7–+) 34...Re6 35.Red1 Be5 36.Kf2 Red6 (36...Bd6?! 37.Bb2+=) 37.Rd6 Rd6 38.Rd6 Bd6 39.Kf3 Kg8 40.Bb2 Kf7 41.Bc3 (41.Bc1–+) 41...Ke6 42.Be1 Kd5 43.Bf2 Be5 44.Be1 c4 45.Ke2 Kc5 46.e4 Kb5 47.ef5 gf5 48.Ke3 (48.Bf2 Ka5–+) 48...Kc5 49.Kf3 b5 50.Bd2 (50.Bf2 Bd4 51.Be1 b4–+) 50...c3 51.Be1 0–1. Glaeser,Hartmut (1675) – Schulz,Wolfgang (2145), Halle GER, 2011.

6.c4 0–0 7.Be2 Nbd7 8.Nc3 Nc5 9.0–0 a6 10.d4 ed4 11.Nd4 Bd7 12.Qc2 Re8 13.a4.

6.c4 0–0 7.Be2 Nbd7 8.Nc3 Nc5 9.0–0 Bd7 10.d4 ed4 11.Nd4 Qe7 12.Bf3 Nce4 13.Qc2.

6.c4 0–0 7.Be2 Nbd7 8.d4 a6 9.Nc3 ab5 10.cb5 ed4 11.Nd4 Nc5 12.0–0 d5 13.a4.

6.c4 0–0 7.Be2 Nbd7 8.d4 ed4 9.Nd4 Nc5 10.0–0 Qe7 11.Nc3 Bd7 12.Qc2 Rfe8 13.Bf3.

6.c4 0–0 7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.0–0 Qb6 11.Bc3 a6 12.Qb3 Qc5 13.Na3.

6.c4 0–0 7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.Nc3 Nd4 11.ed4 d5 12.Qb3 Be6 13.0–0.

6.c4 0–0 7.Be2 Bf5 8.0–0 a6 9.a4 ab5 10.cb5 Nbd7 11.Nc3 c6 12.d4 Qe7 13.a5.

6.c4 0–0 7.Be2 Bf5 8.0–0 Nbd7 9.Nc3 a6 10.a4 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

6.c4 0–0 7.Be2 Bf5 8.Nc3 a6 9.0–0 Nbd7 10.a4 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

6.c4 0–0 7.Be2 Bf5 8.Nc3 Nbd7 9.0–0 a6 10.a4 ab5 11.cb5 b6 12.d4 Re8 13.de5.

6.c4 0–0 7.Be2 Bf5 8.d4 Nbd7 9.0–0 Ne4 10.Nc3 Nc3 11.Bc3 a6 12.a4 ed4 13.Nd4.

6.c4 0–0 7.Be2 Bf5 8.h3 Nbd7 9.Nc3 Nc5 10.0–0 Re8 11.d4 ed4 12.Nd4 Nfe4 13.Nd5.

6.c4 a6

7.Nc3 0–0 8.d4 ed4 9.Nd4 ab5 10.cb5 c5 11.bc6 bc6 12.Be2 c5 13.Ndb5.

7.Nc3 0–0 8.Be2 ab5 9.cb5 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4 d5 13.a4.

7.Nc3 0–0 8.Be2 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Ncb5 Nd4 13.Nd4.

7.Nc3 ab5 8.cb5 0–0 9.Be2 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4 d5 13.a4.

7.Nc3 ab5 8.cb5 0–0 9.Be2 e4 10.Nd4 c5 11.bc6 Nc6 12.Ncb5 Nd4 13.Nd4.

7.Nc3 Nbd7 8.Be2 (8.d4 ab5 9.cb5 0–0 10.Be2 ed4 11.Nd4 d5 12.0–0 Nc5 13.a4; 8.a4 0–0 9.Be2 Nc5 10.0–0 Re8 11.d4 ed4 12.Nd4 ab5 13.cb5; 8.ba6 0–0 9.ab7 Bb7 10.Be2 Nc5 11.0–0 Qe7 12.d4 ed4 13.Nd4; 8.h3 0–0 9.Be2 Nc5 10.0–0 ab5 11.cb5 Re8 12.d4 ed4 13.Nd4) 8...ab5 9.cb5 0–0 10.0–0 Nc5 11.d4 ed4 12.Nd4 d5 13.a4.

7.c5 dc5 8.Be5 (8.Nc3 0–0 9.Ne5 Re8 10.Nf3 ab5 11.Bb5 Nc6 12.0–0 Bf5 13.h3; 8.Qa4 0–0 9.Nc3 Bf5 10.Ne5 Nbd7 11.Nc4 Ne4 12.Ne4 Be4 13.Bg7; 8.Ne5 0–0 9.Nc3 Re8 10.Nf3 ab5 11.Bb5 Nc6 12.0–0 Bf5 13.h3) 8...ab5 9.Bb5 Nbd7 10.Bb2 0–0 11.0–0 c6 12.Be2 b5 13.d4.

7.c5 e4 8.Ng5 d5 9.Nc3 0–0 10.Qb3 h6 11.Nh3 Nbd7 12.Qa3 Ne5 13.Nf4.

7.c5 e4 8.Ng5 d5 9.Nc3 0–0 10.d4 ab5 11.Bb5 h6 12.Nh3 Bh3 13.gh3.

7.d4 e4 8.Nfd2 ab5 9.cb5 0–0 10.Nc3 d5 11.Be2 Nbd7 12.Qb3 Nb6 13.0–0.

7.Be2 0–0 8.0–0 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Nb5 d5 13.N1a3.

7.Be2 0–0 8.0–0 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Nb5 Be6 13.N1c3.

7.Be2 0–0 8.Nc3 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.Ncb5 Nd4 13.Nd4.

7.Be2 0–0 8.Nc3 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 bc6 12.f3 c5 13.Ndb5.

7.Be2 0–0 8.d4 ab5 9.cb5 ed4 10.Nd4 c5 11.bc6 bc6 12.Nc3 c5 13.Ndb5.

7.Be2 0–0 8.d4 ed4 9.Nd4 ab5 10.cb5 c5 11.bc6 bc6 12.Nc3 c5 13.Ndb5.

7.Be2 ab5 8.cb5 e4 9.Nd4 c5 10.bc6 bc6 11.Nc3 c5 12.Ndb5 0–0 13.d4.

7.Be2 ab5 8.cb5 e4 9.Nd4 c5 10.bc6 Nc6 11.Nb5 0–0 12.0–0 d5 13.N1a3.

7.Be2 Nbd7 8.0–0 0–0 9.Nc3 Nc5 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 Nbd7 8.0–0 ab5 9.cb5 0–0 10.Nc3 Nc5 11.d4 ed4 12.Nd4 d5 13.a4.

7.Be2 Nbd7 8.Nc3 0–0 9.0–0 Nc5 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 Nbd7 8.Nc3 ab5 9.cb5 0–0 10.0–0 Nc5 11.d4 ed4 12.Nd4 d5 13.a4.

7.Be2 Nbd7 8.d4 ab5 9.cb5 0–0 10.0–0 e4 11.Nfd2 Re8 12.Nc3 c5 13.bc6.

7.Be2 e4 8.Nd4 ab5 9.cb5 c5 10.bc6 bc6 11.Nc3 c5 12.Ndb5 0–0 13.d4.

7.Be2 e4 8.Nd4 ab5 9.cb5 c5 10.bc6 Nc6 11.0–0 0–0 12.Nb5 d5 13.N1a3.

7.Be2 e4 8.Ng5 0–0 9.Nc3 h6 10.Nh3 ab5 11.cb5 Bh3 12.gh3 Nbd7 13.Qc2.

7.Be2 Qe7 8.Nc3 (8.0–0 ab5 9.cb5 0–0 10.Nc3 e4 11.Nd4 c5 12.bc6 Nc6 13.Ncb5) 8...0–0 9.0–0 ab5 10.cb5 e4 11.Nd4 c5 12.bc6 Nc6 13.Ncb5.

7.Be2 Bf5 8.0–0 0–0 9.Nc3 ab5 10.cb5 Nbd7 11.a4 c6 12.d4 c5 13.de5.

7.Be2 Bf5 8.0–0 0–0 9.Nc3 Nbd7 10.a4 ab5 11.ab5 Ra1 12.Qa1 Nc5 13.d4.

7.Be2 Bf5 8.a4 ab5 9.cb5 0–0 10.0–0 Nbd7 11.Nc3 b6 12.d4 Re8 13.de5.

7.Be2 Bf5 8.a4 Nbd7 9.Nc3 0–0 10.0–0 Re8 11.d4 ab5 12.ab5 Ra1 13.Qa1.

7.Be2 Bf5 8.Nc3 ab5 9.cb5 0–0 10.0–0 Nbd7 11.a4 b6 12.d4 Re8 13.Rc1.

7.Be2 Bf5 8.Nc3 ab5 9.cb5 0–0 10.0–0 Nbd7 11.a4 c6 12.d4 Qe7 13.a5.

7.Be2 Bf5 8.d4 Nbd7 9.ba6 Ra6 10.c5 Rc6 11.Bb5 e4 12.Nh4 Bg4 13.Qa4.

6.c4 Nbd7

7.Nc3 0–0 8.d4 ed4 9.Nd4 Nc5 10.Be2 a6 11.0–0 ab5 12.cb5 d5 13.Nb3.

7.Nc3 0–0 8.Be2 Nc5 9.0–0 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Nc3 0–0 8.Be2 Nc5 9.0–0 Bd7 10.d4 ed4 11.Nd4 a6 12.a4 Re8 13.Qc2.

7.Nc3 a6 8.a4 0–0 9.Be2 Nc5 10.0–0 Re8 11.d4 ed4 12.Nd4 ab5 13.cb5.

7.Nc3 a6 8.ba6 0–0 9.ab7 Bb7 10.Be2 e4 11.Nd4 Ne5 12.0–0 Ba6 13.Qb3.

7.Nc3 a6 8.d4 0–0 9.Be2 ab5 10.cb5 ed4 11.Nd4 Nc5 12.0–0 Re8 13.a4.

7.Nc3 a6 8.d4 0–0 9.Be2 ed4 10.Nd4 Nc5 11.0–0 Re8 12.Qc2 ab5 13.cb5.

7.Nc3 a6 8.Be2 0–0 9.0–0 Nc5 10.d4 ed4 11.Nd4 ab5 12.cb5 Re8 13.Qc2.

7.Nc3 a6 8.Be2 0–0 9.0–0 Nc5 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Nc3 Nc5 8.d4 ed4 9.Nd4 0–0 10.Be2 a6 11.0–0 Re8 12.a4 ab5 13.cb5.

7.Nc3 Nc5 8.Be2 0–0 9.0–0 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Nc3 Nc5 8.Be2 0–0 9.0–0 Bd7 10.d4 ed4 11.Nd4 Re8 12.Qc2 Qe7 13.Bf3.

7.Nc3 Qe7 8.d4 0–0 9.Be2 e4 10.Nd2 a6 11.a4 a5 12.g4 h6 13.h4.

7.Nc3 Qe7 8.d4 ed4 9.Nd4 Nc5 10.Be2 0–0 11.0–0 Bd7 12.Bf3 Nce4 13.Qc2.

7.Nc3 Qe7 8.Be2 0–0 9.0–0 a6 10.a4 e4 11.Nd4 Nc5 12.f3 Bd7 13.Qc2.

7.Nc3 Qe7 8.Be2 e4 9.Nd4 Nc5 10.0–0 0–0 11.Qc2 Bd7 12.f3 Rfe8 13.Nb3.

7.Nc3 Qe7 8.h4 0–0 9.h5 gh5 10.Qc2 Nc5 11.Be2 Bg4 12.Ng5 Be2 13.Ke2.

7.Nc3 Qe7 8.h4 Nc5 9.h5 Nh5 10.Nd5 Qd8 11.d4 ed4 12.Bd4 0–0 13.Bg7.

7.d4 A) 7...Qe7 8.Nc3 (8.Be2 0–0 9.Nc3 a6 10.Qc2 ab5 11.cb5 ed4 12.Nd4 Ne5 13.0–0) 8...0–0 9.Be2 a6 10.Qc2 ed4 11.Nd4 ab5 12.cb5 Ne5 13.0–0; B) 7...0–0 8.Be2 (8.Nc3 a6 9.Be2 ab5 10.cb5 ed4 11.Nd4 Re8 12.0–0 Nc5 13.a4) 8...ed4 9.Nd4 Re8 10.0–0 a6 11.Nc3 ab5 12.cb5 Nc5 13.a4; C) 7...ed4 8.Nd4 0–0 9.Be2 Re8 10.Nc3 Nc5 11.0–0 a6 12.a4 ab5 13.cb5; D) 7...e4 8.Nfd2 a6 9.ba6 Ra6 10.c5 Rc6 11.cd6 Rd6 12.Nc3 0–0 13.Bb5; E) 7...a5 8.Nc3 (8.Be2 ed4 9.ed4 0–0 10.Nc3 d5 11.0–0 Nb6 12.cd5 Nbd5 13.Ne5; 8.Nbd2 0–0 9.Be2 ed4 10.Nd4 Nc5 11.0–0 Bd7 12.N4b3 Bf5 13.Bf3; 8.h3 0–0 9.Nc3 ed4 10.Nd4 Nc5 11.Bd3 Bd7 12.0–0 Re8 13.Bc2) 8...0–0 9.Be2 ed4 10.ed4 Re8 11.0–0 Nb6 12.Qb3 Be6 13.Rfe1; F) 7...Rb8 8.Nc3 (8.Be2 ed4 9.ed4 0–0 10.0–0 Ne4 11.Nbd2 Ndf6 12.Bd3 Re8 13.Re1; 8.Nbd2 0–0 9.Be2 ed4 10.Nd4 Nc5 11.0–0 Bd7 12.Qc2 Qe7 13.h3) 8...0–0 9.Be2 ed4 10.Nd4 Nc5 11.0–0 Re8 12.Qc2 Bd7 13.h3; G) 7...a6 8.Be2 (8.Nc3 ab5 9.cb5 ed4 10.Nd4 0–0 11.Be2 Re8 12.a4 Nc5 13.0–0) 8...ab5 9.cb5 0–0 10.Nc3 ed4 11.Nd4 Nc5 12.0–0 Re8 13.a4.

7.Be2 0–0 8.0–0 Nc5 9.Nc3 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 0–0 8.0–0 Nc5 9.Nc3 Re8 10.d4 ed4 11.Nd4 a6 12.a4 ab5 13.cb5.

7.Be2 0–0 8.Nc3 Nc5 9.0–0 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 0–0 8.Nc3 Nc5 9.0–0 Re8 10.d4 ed4 11.Nd4 a6 12.a4 ab5 13.cb5.

7.Be2 0–0 8.d4 ed4 9.Nd4 Ne4 10.0–0 Qh4 11.Nc3 Ndf6 12.g3 Qh3 13.Ne4.

7.Be2 0–0 8.d4 ed4 9.Nd4 Ne5 10.Nc3 c5 11.bc6 bc6 12.0–0 Rb8 13.Ba3.

7.Be2 a5 8.0–0 0–0 9.Nc3 Nc5 10.d4 ed4 11.Nd4 Bd7 12.Bf3 Re8 13.Nd5.

7.Be2 a5 8.0–0 0–0 9.Nc3 Nc5 10.d4 ed4 11.Nd4 Re8 12.Bf3 Bd7 13.Nd5.

7.Be2 a5 8.Nc3 0–0 9.d4 ed4 10.Nd4 Nc5 11.0–0 Re8 12.Qc2 Bd7 13.Rad1.

7.Be2 a5 8.Nc3 0–0 9.d4 ed4 10.Nd4 Nc5 11.0–0 Re8 12.Bf3 Bd7 13.Nd5.

7.Be2 a5 8.d4 0–0 9.Nc3 ed4 10.Nd4 Nc5 11.0–0 Qe7 12.Bf3 a4 13.Ba3.

7.Be2 a5 8.d4 ed4 9.Nd4 0–0 10.Nc3 Nc5 11.0–0 Bd7 12.Bf3 Re8 13.Nd5.

7.Be2 a6 8.0–0 0–0 9.Nc3 Nc5 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 a6 8.0–0 ab5 9.cb5 0–0 10.Nc3 Nc5 11.a4 b6 12.d4 ed4 13.Nd4.

7.Be2 a6 8.a4 0–0 9.Nc3 Nc5 10.0–0 Re8 11.d4 ed4 12.Nd4 ab5 13.cb5.

7.Be2 a6 8.Nc3 0–0 9.0–0 ab5 10.cb5 Nc5 11.a4 b6 12.d4 ed4 13.Nd4.

7.Be2 a6 8.Nc3 0–0 9.0–0 Re8 10.d4 ed4 11.Nd4 Nc5 12.Qc2 ab5 13.cb5.

7.Be2 a6 8.d4 ab5 9.cb5 ed4 10.Nd4 0–0 11.Nc3 Re8 12.0–0 Nc5 13.a4.

7.Be2 Nc5 8.0–0 0–0 9.Nc3 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 Nc5 8.0–0 0–0 9.Nc3 Re8 10.d4 ed4 11.Nd4 a6 12.a4 ab5 13.cb5.

7.Be2 Nc5 8.Nc3 0–0 9.0–0 a6 10.d4 ed4 11.Nd4 Re8 12.Qc2 ab5 13.cb5.

7.Be2 Nc5 8.Nc3 0–0 9.0–0 Re8 10.d4 ed4 11.Nd4 a6 12.a4 ab5 13.cb5.

7.Be2 Nc5 8.d4 ed4 9.Nd4 a6 10.Nc3 0–0 11.0–0 ab5 12.cb5 Re8 13.a4.

7.Be2 c6 8.bc6 (8.Nc3 0–0 9.bc6 bc6 10.0–0 Rb8 11.Rb1 Qa5 12.Qa4 Qa4 13.Na4; 8.0–0 0–0 9.d4 ed4 10.ed4 cb5 11.cb5 Ne4 12.Nc3 Nc3 13.Bc3; 8.d4 ed4 9.ed4 0–0 10.Nc3 Re8 11.0–0 Nb6 12.Qb3 cb5 13.Qb5) 8...bc6 9.Nc3 Qa5 10.0–0 Rb8 11.Qc2 0–0 12.d4 ed4 13.Nd4.

7.Be2 e4 8.Nd4 a6 9.Nc3 0–0 10.0–0 Nc5 11.a4 Bd7 12.Qc2 ab5 13.cb5.

7.Be2 e4 8.Nd4 a6 9.Nc3 Nc5 10.0–0 0–0 11.Qc2 Qe7 12.a4 ab5 13.ab5.

7.Be2 Qe7 8.0–0 0–0 9.Nc3 Nc5 10.d4 ed4 11.Qd4 Be6 12.Qh4 Bf5 13.Nd4.

7.Be2 Qe7 8.0–0 0–0 9.Nc3 Nc5 10.d4 Ncd7 11.a4 Re8 12.Qc2 a5 13.de5.

7.Be2 Qe7 8.Nc3 0–0 9.0–0 a6 10.a4 e4 11.Nd4 Nc5 12.f3 Bd7 13.Qc2.

7.Be2 Qe7 8.Nc3 0–0 9.0–0 e4 10.Nd4 Nc5 11.Qc2 a6 12.a4 ab5 13.ab5.

7.Be2 Qe7 8.d4 ed4 9.Qd4 Nc5 10.Nc3 Be6 11.0–0 0–0 12.Qh4 Bf5 13.Nd4.

7.Be2 Qe7 8.d4 ed4 9.Nd4 0–0 10.0–0 Nc5 11.Nc3 Bd7 12.Bf3 Nce4 13.Qc2.

6.c4 e4

7.Nd4 0–0 8.Na3 Nbd7 9.Be2 Ne5 10.0–0 Qe7 11.h3 Bd7 12.Qc2 Rab8 13.Rab1.

7.Nd4 0–0 8.Qc2 c5 9.Nb3 a6 10.Nc3 Bf5 11.h3 ab5 12.g4 b4 13.gf5.

7.Nd4 0–0 8.Nc3 c5 9.bc6 Nc6 10.Be2 Nd4 11.ed4 d5 12.Qb3 Be6 13.0–0.

7.Nd4 0–0 8.Nc3 c5 9.Nde2 a6 10.a4 Nbd7 11.Nf4 Ne5 12.Be2 g5 13.Nfd5.

7.Nd4 0–0 8.Be2 c5 9.bc6 Nc6 10.0–0 Qb6 11.Qc2 Ng4 12.Nc3 Bd4 13.Na4.

7.Nd4 0–0 8.Be2 c5 9.bc6 bc6 10.Nc3 c5 11.Nb3 Nc6 12.0–0 Rb8 13.Rb1.

7.Nd4 c5 8.Nb3 0–0 9.Nc3 Nbd7 10.d4 ed3 11.Bd3 Ne5 12.0–0 Be6 13.Qe2.

7.Nd4 c5 8.bc6 Nc6 9.Nc3 0–0 10.Be2 Nd4 11.ed4 d5 12.Qb3 Be6 13.0–0.

7.Nd4 c5 8.Ne2 0–0 9.Nbc3 a6 10.a4 d5 11.cd5 Nd5 12.Qb1 Nf6 13.Ng3.

7.Nd4 c5 8.Ne2 0–0 9.Nbc3 a6 10.a4 d5 11.Ng3 Re8 12.cd5 Nd5 13.Be2.

7.Ng5 0–0 8.d3 (8.d4 Bf5 9.Nc3 h6 10.Nh3 Nbd7 11.Be2 Bh3 12.gh3 Nb6 13.Qc2; 8.Nc3 h6 9.Nh3 Bh3 10.gh3 Nbd7 11.Qc2 Nc5 12.Rg1 Re8 13.d4) 8...ed3 9.Bd3 Nbd7 10.Nc3 Nc5 11.0–0 a6 12.h3 ab5 13.Nb5.

6.c4 Qe7

7.Nc3 0–0 8.Be2 a6 9.a4 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Nc3 0–0 8.Be2 e4 9.Nd4 c5 10.bc6 Nc6 11.0–0 Nd4 12.ed4 Bf5 13.Qa4.

7.Nc3 a6 8.Rc1 (8.Be2 0–0 9.a4 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2; 8.a4 0–0 9.Be2 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2; 8.h4 ab5 9.cb5 Bg4 10.Be2 0–0 11.0–0 Nbd7 12.d4 e4 13.Ng5; 8.Nd5 Nd5 9.cd5 0–0 10.h4 ab5 11.h5 Bd7 12.Qb3 Na6 13.h6; 8.Qc2 0–0 9.Be2 ab5 10.cb5 e4 11.Nd4 c5 12.bc6 Nc6 13.0–0; 8.b6 cb6 9.Qb3 0–0 10.Qb6 Bf5 11.Be2 Nbd7 12.Qa5 b5 13.cb5) 8...ab5 9.Nd5 Nd5 10.cd5 0–0 11.Bb5 Bf5 12.h4 c6 13.dc6.

7.Nc3 Nbd7 8.Be2 (8.h4 0–0 9.h5 gh5 10.Be2 Nc5 11.d4 Nce4 12.Qc2 Nc3 13.de5; 8.d4 0–0 9.Be2 a6 10.ba6 Ra6 11.0–0 e4 12.Nd2 Ra5 13.Qc2) 8...0–0 9.0–0 Nc5 10.d4 ed4 11.ed4 Nce4 12.Re1 Nc3 13.Bc3.

7.d4 ed4 8.Qd4 Nbd7 9.Be2 Nc5 10.Nc3 Be6 11.0–0 0–0 12.Qh4 Bd7 13.Nd4.

7.d4 ed4 8.Qd4 Be6 9.Nc3 Nbd7 10.Be2 0–0 11.0–0 Nc5 12.Qh4 Bf5 13.Nd4.

7.d4 ed4 8.Nd4 0–0 9.Nc3 c5 10.Nf3 Nbd7 11.Bd3 Ne5 12.Ne5 de5 13.0–0.

7.d4 Nbd7 8.Nc3 0–0 9.Be2 a6 10.ba6 b6 11.0–0 Ba6 12.Qd2 Bb7 13.Qc2.

7.d4 Nbd7 8.Nc3 0–0 9.Be2 a6 10.Qc2 ab5 11.cb5 ed4 12.Nd4 Ne5 13.0–0.

7.d4 Nbd7 8.Be2 a6 9.Nc3 0–0 10.ba6 Ra6 11.0–0 Re8 12.Qc2 c5 13.d5.

7.d4 Nbd7 8.Be2 a6 9.Nc3 0–0 10.Qc2 ab5 11.cb5 ed4 12.Nd4 Ne5 13.0–0.

7.d4 e4 8.Nfd2 0–0 9.Be2 c5 10.0–0 cd4 11.Bd4 Nbd7 12.Nc3 Nc5 13.Nb3.

7.d4 e4 8.Nfd2 0–0 9.Be2 c5 10.dc5 dc5 11.Nc3 Nbd7 12.0–0 Rd8 13.Qc2.

7.Be2 0–0 8.0–0 a6 9.Nc3 e4 10.Nd4 ab5 11.cb5 c5 12.bc6 Nc6 13.Ncb5.

7.Be2 0–0 8.0–0 Bf5 9.Nc3 Nbd7 10.d4 Nb6 11.h3 Ne4 12.Ne4 Be4 13.Qb3.

7.Be2 0–0 8.Nc3 a6 9.a4 Bf5 10.0–0 Nbd7 11.d4 ab5 12.ab5 Rfe8 13.h3.

7.Be2 0–0 8.Nc3 e4 9.Nd4 c5 10.bc6 Nc6 11.0–0 Nd4 12.ed4 Bf5 13.Qa4.

7.Be2 a6 8.0–0 ab5 9.cb5 0–0 10.Nc3 e4 11.Nd4 c5 12.bc6 Nc6 13.Ncb5.

7.Be2 a6 8.a4 ab5 9.cb5 0–0 10.Nc3 e4 11.Nd4 c5 12.bc6 Nc6 13.Ncb5.

7.Be2 a6 8.Nc3 0–0 9.a4 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Be2 a6 8.Nc3 ab5 9.cb5 0–0 10.0–0 Nbd7 11.a4 b6 12.d4 Bb7 13.Qc2.

7.Be2 a6 8.d4 ab5 9.cb5 0–0 10.0–0 Bf5 11.de5 de5 12.Be5 Nbd7 13.Bb2.

7.Be2 a6 8.d4 ab5 9.cb5 0–0 10.Nc3 c5 11.0–0 e4 12.Nd2 cd4 13.ed4.

7.Be2 a6 8.Ng5 ab5 9.cb5 h6 10.Nf3 0–0 11.Nc3 e4 12.Nd4 c5 13.bc6.

7.Be2 a6 8.h4 ab5 9.cb5 0–0 10.Nc3 e4 11.Nd4 c5 12.bc6 Nc6 13.Ncb5.

7.Be2 a6 8.h4 ab5 9.cb5 e4 10.Nd4 c5 11.bc6 Nc6 12.h5 gh5 13.Qb3.

7.Be2 Nbd7 8.0–0 0–0 9.Nc3 a6 10.a4 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Be2 Nbd7 8.0–0 0–0 9.Nc3 e4 10.Nd4 Nc5 11.f3 Bd7 12.Qc2 a6 13.a4.

7.Be2 Nbd7 8.Nc3 0–0 9.0–0 a6 10.a4 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Be2 Nbd7 8.Nc3 0–0 9.0–0 e4 10.Nd4 Nc5 11.f3 Bd7 12.a4 a6 13.Qc2.

7.Be2 Nbd7 8.d4 a6 9.Nc3 0–0 10.Qc2 ab5 11.cb5 ed4 12.Nd4 Ne5 13.0–0.

7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.0–0 0–0 11.Nc3 Nd4 12.ed4 Bf5 13.h3.

7.Be2 e4 8.Nd4 c5 9.bc6 Nc6 10.0–0 0–0 11.h3 Nd7 12.Na3 a6 13.Rb1.

7.Be2 Be6 8.0–0 Nbd7 9.Nc3 0–0 10.Ng5 a6 11.Ne6 Qe6 12.d4 ab5 13.Nb5.

7.Be2 Be6 8.0–0 Nbd7 9.Nc3 0–0 10.Ng5 Rfe8 11.Ne6 Qe6 12.Qc2 Nc5 13.f3.

7.Be2 Be6 8.Nc3 0–0 9.Ng5 Nbd7 10.0–0 Rfe8 11.Ne6 Qe6 12.Qc2 Nc5 13.f3.

7.Be2 Be6 8.Nc3 Nbd7 9.0–0 0–0 10.Ng5 Rfe8 11.Ne6 Qe6 12.Qc2 Nc5 13.Rae1.

7.Be2 Be6 8.d4 Nbd7 9.0–0 0–0 10.Nc3 Rfe8 11.Re1 e4 12.Nd2 d5 13.Qc2.

7.Be2 Be6 8.d4 Nbd7 9.0–0 0–0 10.Nc3 Rfe8 11.Re1 e4 12.Nd2 d5 13.cd5.

7.Be2 Be6 8.Ng5 0–0 9.0–0 Nbd7 10.Nc3 a6 11.d4 Bf5 12.e4 ed4 13.Qd4.

7.Be2 Be6 8.Ng5 0–0 9.Ne6 Qe6 10.Nc3 Nbd7 11.0–0 Nc5 12.Qc2 Rfe8 13.f3.

7.Be2 Be6 8.h4 0–0 9.Ng5 Bc8 10.Nc3 Nbd7 11.h5 h6 12.Nge4 Ne4 13.Ne4.

7.Be2 Be6 8.h4 Nbd7 9.Ng5 Nc5 10.Ne6 Qe6 11.0–0 0–0 12.Nc3 a6 13.Qc2.

7.Be2 Bf5 8.Nc3 (8.h3 Nbd7 9.Nc3 Nc5 10.d4 Nce4 11.Ne4 Ne4 12.0–0 0–0 13.de5) 8...Nbd7 9.0–0 0–0 10.d4 Nb6 11.h3 Ne4 12.Ne4 Be4 13.Qb3.

6.c4 Bf5

7.Nc3 0–0 8.Be2 a6 9.a4 ab5 10.ab5 Nbd7 11.0–0 Ra1 12.Qa1 Nc5 13.d4.

7.Nc3 0–0 8.Be2 a6 9.a4 Nbd7 10.0–0 Re8 11.d4 ab5 12.ab5 Ra1 13.Qa1.

7.Nc3 0–0 8.h3 Nbd7 9.Be2 Nc5 10.0–0 Qe7 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Nc3 0–0 8.h3 Nbd7 9.g4 Be6 10.g5 Nh5 11.Ne4 f5 12.gf6 Nhf6 13.Nc3.

7.Nc3 Nbd7 8.Be2 0–0 9.0–0 a6 10.a4 Nc5 11.d4 ed4 12.Nd4 Qd7 13.a5.

7.Nc3 Nbd7 8.Be2 a6 9.a4 0–0 10.0–0 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Nc3 Nbd7 8.h3 0–0 9.Be2 a6 10.0–0 ab5 11.cb5 Re8 12.a4 Nc5 13.a5.

7.d4 A) 7...Nbd7 8.Nc3 (8.Be2 a6 9.ba6 Ra6 10.c5 Rc6 11.Bb5 e4 12.Bc6 bc6 13.Nfd2; 8.Nbd2 0–0 9.Be2 a6 10.Nh4 Be4 11.0–0 ed4 12.Bd4 Qe7 13.f3; 8.de5 de5 9.Ne5 Nh5 10.Nd3 Bb2 11.Nb2 Qf6 12.Qd4 Qd4 13.ed4; 8.h3 0–0 9.g4 Be4 10.Nbd2 Re8 11.g5 Bf3 12.Qf3 Nh5 13.0–0–0) 8...0–0 9.Be2 a6 10.a4 Ne4 11.0–0 ed4 12.Nd4 Nc3 13.Bc3; B) 7...0–0 8.Be2 (8.Nc3 e4 9.Nd2 c5 10.dc5 dc5 11.Be2 Nbd7 12.h3 Ne5 13.g4; 8.de5 Ng4 9.Nc3 Ne5 10.Be2 Be6 11.Ne5 Be5 12.0–0 Nd7 13.Qc2) 8...Ne4 9.0–0 Nd7 10.Nc3 Nc3 11.Bc3 a6 12.a4 ed4 13.Nd4; C) 7...e4 8.Nfd2 a6 9.Be2 Qc8 10.Nc3 0–0 11.0–0 Re8 12.a4 c5 13.dc5.

7.Be2 0–0 8.0–0 Nbd7 9.Nc3 a6 10.a4 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Qc2.

7.Be2 0–0 8.Nc3 Nbd7 9.0–0 a6 10.a4 Re8 11.d4 ab5 12.ab5 Ra1 13.Qa1.

7.Be2 0–0 8.Nc3 Nbd7 9.0–0 a6 10.a4 Re8 11.d4 c5 12.d5 ab5 13.Nb5.

7.Be2 0–0 8.d4 Nbd7 9.0–0 Ne4 10.Nc3 Nc3 11.Bc3 a6 12.a4 ed4 13.Nd4.

7.Be2 0–0 8.d4 Nbd7 9.0–0 Ne4 10.Nc3 Nc3 11.Bc3 Qe7 12.a4 Rfd8 13.Qb3.

7.Be2 0–0 8.h3 Nbd7 9.Nc3 Nc5 10.0–0 Nfe4 11.Ne4 Be4 12.d3 Bf5 13.Qd2.

7.Be2 a6 8.0–0 ab5 9.cb5 0–0 10.Nc3 Nbd7 11.a4 c6 12.d4 Re8 13.Qb3.

7.Be2 a6 8.0–0 ab5 9.cb5 Nbd7 10.Nc3 0–0 11.a4 b6 12.d4 Re8 13.Rc1.

7.Be2 a6 8.a4 ab5 9.cb5 0–0 10.0–0 c6 11.Nc3 Nbd7 12.d4 Re8 13.Qb3.

7.Be2 a6 8.a4 Nbd7 9.Nc3 0–0 10.0–0 Re8 11.d4 ab5 12.ab5 Ra1 13.Qa1.

7.Be2 a6 8.Nc3 ab5 9.cb5 0–0 10.a4 Nbd7 11.0–0 b6 12.d4 Re8 13.de5.

7.Be2 a6 8.Nc3 ab5 9.cb5 Nbd7 10.0–0 0–0 11.a4 c6 12.d4 c5 13.de5.

7.Be2 a6 8.d4 Nbd7 9.0–0 ab5 10.cb5 0–0 11.Nc3 c5 12.bc6 bc6 13.de5.

7.Be2 a6 8.d4 Nbd7 9.ba6 Ra6 10.c5 Rc6 11.Bb5 e4 12.Nh4 Bg4 13.Qa4.

7.Be2 Nbd7 8.0–0 a6 9.Nc3 ab5 10.cb5 0–0 11.a4 Ra5 12.Ba3 Nb6 13.Qb3.

7.Be2 Nbd7 8.0–0 a6 9.Nc3 ab5 10.cb5 0–0 11.a4 c6 12.d4 Re8 13.Qb3.

7.Be2 Nbd7 8.Nc3 a6 9.a4 0–0 10.0–0 ab5 11.ab5 Ra1 12.Qa1 Re8 13.Qa7.

7.Be2 Nbd7 8.Nc3 0–0 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Nc5 13.d4.

7.Be2 Nbd7 8.h3 a6 9.0–0 ab5 10.cb5 Nc5 11.Nc3 Nd3 12.Qc2 Nf4 13.Qd1.

7.h3 0–0 8.Nc3 Nbd7 9.Be2 Nc5 10.0–0 Nfe4 11.Ne4 Be4 12.d3 Bf5 13.Qd2.

7.h3 0–0 8.Be2 a6 9.Nc3 ab5 10.cb5 Nbd7 11.0–0 Re8 12.a4 Nc5 13.a5.

7.h3 0–0 8.Be2 Nbd7 9.Nc3 Nc5 10.0–0 Nfe4 11.Ne4 Be4 12.d3 Bf5 13.Qd2.

7.h3 0–0 8.g4 Be6 9.Nc3 Nbd7 10.Qc2 h6 11.Be2 Nb6 12.Qb3 Qe7 13.0–0.

7.h3 Nbd7 8.Nc3 0–0 9.Be2 a6 10.0–0 ab5 11.cb5 Ne4 12.Ne4 Be4 13.d3.

7.h3 Nbd7 8.d4 0–0 9.Nc3 Qe7 10.g4 ed4 11.Nd4 Be6 12.g5 Nh5 13.h4.

7.h3 Nbd7 8.Be2 a6 9.0–0 ab5 10.cb5 Nc5 11.Nc3 Nd3 12.Qc2 Nb2 13.Qb2.

7.h3 Nbd7 8.Be2 Nc5 9.0–0 0–0 10.Nc3 Nfe4 11.Ne4 Be4 12.d3 Bf5 13.Qd2.

7.h3 Nbd7 8.g4 Be6 9.Qc2 a6 10.Nc3 ab5 11.cb5 Nd5 12.Be2 0–0 13.0–0.

2.c3 a5

3.Na3 ab4 4.Nb5? c6 5.e4 cb5 6.Qf3 d5! 7.ed5 Nf6 8.Bb5 Bd7 9.Bc4 Qc7 10.Bb3 Na6 11.d4 e4 12.Qe2 Qc3 13.Kf1 Qa1 14.Qd1 Bb5 15.Ke1 Nc7 16.Ne2 Ra2 17.Ba2 Qa2 18.d6 Bd6 19.Ng3 b3 20.Bg5 b2 (21.Nf5 Bb4 22.Bd2 Bd2 23.Kd2 b1Q 24.Qc2 Qac2 25.Ke3 Ncd5#; 20...Bb4 21.Bd2 Bd2 22.Qd2 b2 23.Qc2 b1Q 24.Qb1 Qb1 25.Kd2 Qb2 26.Kd1 Ba4 27.Ke1 Qc1 28.Ke2 Bb5#) 0–1. mdf – pierre, slowchess.com, 2006.

3.Qa4 Ra6 4.e4 Ra8 5.Nf3 Bd6 6.Bc4 Nf6 7.d3 0–0 8.0–0 c6 9.b5 cb5 10.Qb5 Nc6 11.Bg5 h6 12.Bh4 b6 13.Bf6 Qf6 14.Qb6 Rb8 15.Qe3 Bc7 16.Rd1 Bb6 17.d4 d6 18.Rd3 Bg4 19.Nbd2 Rfc8 20.Rb1 Bf3 21.Qf3 ed4 22.Qf6 gf6 23.cd4 Bd4 24.Rb8 Rb8 25.Bd5 1–0. guest895 – guest1987, ICC, 2003.

3.Qa4 c6 4.b5 c5 5.g3 b6 6.Bg2 d6?? (better is 6...d5+=) 7.Bc6 (better is 7.Ba8 Be6 8.c4+–) 7...Nc6+= 8.bc6 Qc7 9.Na3 Ne7 (better is 9...Ba6+=) 10.Nb5+/– Qd8?? (better is 10...Qc6 11.Nc7 Kd7 12.Qc6 Kc6 13.Na8 Bb7 14.Nb6 Kb6 15.Rb1 Kc7+/–) 11.c7+– Qd7 12.Nd6 1–0. maddoxdb – gfd622, gameknot.com, 2012. (=1.c3 e5 2.b4 a5)

3.Qa4 Nc6 4.e3 Nf6 5.b5 Ne7 6.Bc4 Ned5 7.Ba3 (7.Bd5!? Nd5 8.Qe4=) 7...Ba3 8.Qa3 d6 9.f3 Be6 10.e4 Nb6 (better is 10...Nb4! 11.Bb3 Nd3 12.Ke2 Nf4 13.Kf1 d5–/+) 11.Be6+= fe6 12.Ne2 Nc4 13.Qb3 d5 14.0–0 0–0 15.Ng3 a4 16.Qc2 (16.Qb4+=) 16...d4 (16...Qd7!?–+) 17.a3 (17.Qd3 Nb6 18.Ne2=) 17...d3 (better is 17...Qd7 18.Qd3 Qb5 19.cd4 Rad8–/+) 18.Qa2+= Nd6 19.Qe6 Kh8 20.Nf5 (20.Qe5!? Re8 21.Qd4 Nb5 22.Qc4+/–) 20...Nf5 21.Qf5 Qe7 22.c4 Qc5 23.Kh1 Nd5?? (better is 23...g6 24.Qg5 Ne4–/+) 24.cd5 (better is 24.Qe5 Qc4 25.Qd5 Qd5 26.ed5 Kg8+–) 24...Qc2?? (better is 24...Rf5 25.ef5 Qc2–+) 25.Qe5+– Rae8 26.Qc3 Qc3 (26...Re4 27.Qc2 dc2+–) 27.Nc3 b6 (27...Ra8 28.Rae1+–) 28.Na4 c5 29.Nb6 Rf6 30.Na4 c4 31.Rab1 Rff8 32.Nb6 Rb8 33.Nc4 Rbc8 34.Rfc1 Rb8 35.Ne5 Ra8 36.Rc3 Rfe8 37.Nd3 h6 38.b6 Rab8 39.Rc7 1–0. maddoxdb – dariopa, gameknot.com, 2012. (=1.c3 e5 2.b4 a5)

3.Qa4 Nf6 4.Nf3 e4 5.Nd4 Nc6 6.b5 Nd4 7.cd4=+ d5 8.Nc3 Qd6 9.g3 Be7 10.Bg2 0–0 11.0–0 Bg4 12.d3 ed3 13.ed3 Rfe8 14.Bf4 Qd7 15.Be5 c6 16.Rac1 Bf5 17.Qb3 Bd3 18.bc6 bc6 19.Nd5 Bf1 20.Nb6 a4 21.Qb1 Qd8 22.Bf1+= Nd5 23.Na8 Qa8 24.Qc2 f6 25.Bf4 Ba3 26.Rb1 Nf4 27.gf4 Rd8 28.Bd3 g6 29.Bg6 hg6 30.Qg6 Kf8 31.Qf6 Kg8 32.Qe6 Kg7 33.f5 Rg8?? 34.Kh1+– Kh7 35.Qe4 Kg7 36.Qe5 Kh7 37.f6 Kg6 38.Qe6 (38…Kh5 39.f7+–) 1–0. pcmvr (2815) – mburden (2535), net–chess.com, 2007.

3.ba5 Ra5 4.d4 ed4 5.cd4 Nc6 6.Bd2 Ra8 7.d5 Nb4 8.Nc3 Nf6 9.Bg5 Bc5 10.Nf3 h6 11.Bc1 d6 12.a3 Bf5 13.ab4 Bf2 14.Kf2 Ra1 15.Qd2 Ng4 16.Kg1 Qe7 17.Bb2 Ra8 18.e4 Be4 19.Ne4 Qe4 20.Bg7 Rg8 21.Bd4 (21.Bh6? Nh6 22.Ne1 Ng4–+) 21...c5?? (Better is 21...Ra3 22.h3 Ne3+/–) 22.dc6 bc6 23.Bd3 Qd5 24.Qe1 Kd7 25.Be4 Qc4? 26.h3 Nf6 27.Bf5 Kc7 28.Qe7 Kb8 29.Qd6 Kb7 30.Qe7 Ka6 31.Kh2 (31...Rg2 32.Kg2 Qa2 33.Kg3 Nh5 34.Kh4+–) 1–0. orane (2200) – acac (2055), Live Game Caissa's Web, 2004.

3.ba5 Nc6 4.a6 (4.d4 d5=+) 4...Ra6 5.e4 Ra8 6.Bb5 Nf6 7.d3 d6 8.Nf3 Bd7 9.Nbd2 Be7 10.0–0 0–0 11.Nc4 Na5 12.Bd7+= Qd7 13.Ne3 g6 14.Rb1 b6 15.Qc2 Ra7 16.a3 Rfa8 17.Rd1 Qe6 18.Ng5 Qc8 19.d4 ed4 20.cd4+/– Ng4 21.Nd5+– Bd8 22.Nf3 Nf6 23.Nf4 Qd7 24.e5 Ne8 25.Re1 Ng7 26.d5 de5 27.Ne5 Qf5 28.Nfd3 Bf6 29.g4 Qc8+= 30.g5 Be5 31.Ne5 Qf5 32.Re4 Nb7 33.Nc6+– Nc5?? 34.Ne7 1–0. Trkn – guest6567, ICC, 2004.

3.Bb2 d5 4.g3 Nf6 5.Bg2 c6 6.d3 ab4 7.cb4 Bb4 8.Nd2 Qe7 9.e3 Bf5 10.d4 e4 11.Ne2 Nbd7 12.0–0 h5 13.Qb3?? Bd2 14.Qb7 Rb8 15.Qc6 Rb2 16.Qa8 Rb8 17.Qc6 0–0 18.Nf4 Rfc8 19.Qa6 h4 20.Rfd1 Bc3 21.Bf1 Ba1 22.Ra1 g5 23.Ne2 Bg4 24.Nc1 Bf3 25.Nb3 Ng4 26.Qa5 hg3 27.hg3 Ne3 28.fe3 Qd6 29.Kh2 Rb3! 30.ab3 Rc2 31.Kh3 Qh6# 0–1. baudrey – LetMeWin, Live Game Caissa's Web, 2004.

3.b5 a4 4.e4 Nf6=+ 5.f3 Bc5 (6.d4 ed4 7.cd4 Bb4 8.Bd2 Bd2 9.Nd2 d5=; 5...d5!?=+). RTitov – ball, internet, 2006.

3.b5 Bc5 4.f3 Qh4 5.g3 Qf6 6.Bb2 Ne7 7.e3 c6 8.bc6 dc6 9.d4 Bb6 10.c4 ed4 11.ed4 a4 12.Nd2 c5 (better is 12...Bd4 13.Bd4 Qd4–/+) 13.Ne4= Qc6 14.dc5 Bc7?? (better is 14...Ba5 15.Kf2 0–0=) 15.Bg7+– Rg8 (15...Ng6+–) 16.Qd4 (better is 16.Nf6 Qf6 17.Bf6+–) 16...f5? (better is 16...Qe6 17.0–0–0 Nd7+–) 17.Nf6 Kf7 18.Nh5?? (better is 18.Ng8 Kg8 19.0–0–0+–) 18...b5?? (better is 18...Nd7=) 19.cb5+– Qg6 20.Bc4 Ke8 (20...Be6 21.0–0–0 Rd8 22.Be6 Qe6+–) 21.Nf6 Qf6 22.Bf6 Rg6 23.Bd5 (23.Be7 Be6 24.Be6 Re6 25.Kf2 Nd7 26.Qh8 Ke7 27.Qa8 Nc5+–) 23...Ra5 (23...Nd5 24.Qd5 Ra5 25.0–0–0+–) 24.b6 (better is 24.Be7 Be6 25.Bd8 Bd8 26.Qh8 Rg8 27.Qe5+–) 24...Kd7 (24...Nd5 25.Qd5 Rf6 26.bc7 Nd7 27.Qg8 Nf8+–) 25.bc7 Nbc6 26.Bc6 Kc6 27.Qd6 Kb5 28.Qe7 Bb7 29.Rb1 Kc6 30.Qd6 1–0. lisssisss – bagboy, gameknot.com, 2012. (=1.c3 e5 2.b4 a5)

3.b5 Nf6 4.a4 d5 5.d4 e4 6.e3 Bd6 7.f3 0–0 8.c4 Bb4 9.Bd2 ef3 10.Nf3 Be6 11.cd5=+ (11...Bd5 12.Bd3=+). hasant (1915) – yannigator (2080), net–chess.com, 2008.

3.d3 Qf6 4.f3?? ab4–+ 5.e3 bc3 6.Nc3–/+ Qc6 7.Bb2 Qb6–+ 8.Qc1 Na6 9.Nge2 d5 10.g3?? d4 11.h3?? de3 12.Rh2?? Nb4 13.Qd1 Qa5 14.h4 Be6 15.a3 Bd6 16.h5 Nd5 17.Bc1 Nc3 18.Qd2 ed2 19.Bd2 Bb4! 20.f4 Bg4 21.Ra2 Be2 22.Be2 ef4 23.gf4 Na2 24.ab4 Nb4 25.Bd1 Nd3 26.Kf1 Qf5 27.Rf2 Nf2 28.Kf2 Nf6 29.Be2 Nh5 30.Bf3 Nf4 31.Kg3 Ra3 32.Kf2 Nh3 33.Ke2 Qf3 34.Ke1 Ra1 35.Bc1 Rc1 36.Kd2 Qc3 37.Ke2 Rc2 38.Kf1 Qa1 (38...Rf2#) 0–1. soraya – meredin (1785), net–chess.com, 2007.

3.e4 ab4 4.Qf3 Nc6 5.Bc4 Nf6 6.g4 Na5–+ 7.d3 b5! 8.Bb5 Nb3!! 9.ab3 Ra1 10.Nd2 Rc1 11.Ke2 bc3 12.Nc4 Rb1 13.Ne5 c2 14.Nh3 Ba3 15.g5 Rh1 16.gf6 c1Q 17.Qh1 Qh1 18.Ng5 Qf6 19.Ngf7 Bb4 20.Nh8 Qe1# 0–1. mdf (1805) – mburden (2535), net–chess.com, 2006.

3.Qa4 b6

4.d3 Na6 5.ba5 Nc5 6.Qc2 Ra5 7.Nf3 e4 8.de4 Bb7 9.e5 Be4 10.Qd1 Ne7 11.Nbd2 Bc6 12.e3 Ng6 13.Nc4 Ra4 14.Ba3 b5=+ 15.Nd4 Rc4–/+ 16.Nc6 dc6 17.Qd8 Kd8 18.Bc4 bc4 19.Bc5 Bc5 20.a4 Ne5 21.Ke2 Ke7 22.a5 Rb8 23.Rhb1=+ Rb5 24.a6 Ba7–/+ 25.h4 Nd3 26.h5 Nc5 27.Rb4=+ Rb4 28.cb4 Nd3 29.Ra4 Kf6 30.f3= Kg5 31.Ra5 f5 32.g3 Nb4–/+ 33.g4 c5 34.gf5=+ Kf5 35.Rb5= Nc6 36.Rb1 Kg5 37.Rg1 Kh6 38.Kd2 Bb6 39.Rh1 Ba5 40.Ke2 c3 41.Ra1 Bb6 42.Kd3 Kh5 43.Kc3 Kg5 44.Kc4 Kf5 45.Rh1 h6 46.Rh5 Ke6–/+ 47.f4 Nb4 48.Kb5 Na6!–+ 49.Ka6 c4 50.e4? c3 51.Rh2 Be3 52.Rc2 Bd2 53.Kb5 h5 54.Kc4 h4 (55.f5 Ke5–+) 0–1. mburden (2535) – pierred (2420), net–chess.com, 2007.

4.d3 Na6 5.ba5= Nc5 6.Qc2 Ra5 7.Nf3 e4 8.de4=+ Bb7 9.e5= Be4 10.Qd1 Ne7 11.Nbd2 Nd5 12.Bb2 Qa8 13.g3 Bg6 14.Qc1 Ra2 15.Bg2 Ra1 16.Ba1 Be7 17.Nd4 Qa2 18.h4 f6 19.h5 Bf7 20.h6 fe5 21.hg7 Rg8 22.Nc2 Bg5 23.Qb2 Qb2 24.Bb2 Ne7 25.Nb4 Rg7 26.c4 d6 27.Nd5 Kd8 28.Ba3 Kd7 29.e3 Na4 30.Nf3 Nd5 31.Ng5= Nf6 32.Nf7 Rf7 33.Rh6 Nc3 34.f3 Kd8 35.e4 Nd7=+ 36.Bc1 Rg7 37.Rh3 Nc5 38.Be3 Nb3 39.g4 Na4 40.Bh6 Rg6 41.Be3= Na5 42.c5 Nc5 43.Rh7 Nc4 44.Bc5 dc5 45.Rh5 Re6 46.g5 Rg6 47.Rh8 Ke7 48.Rh7 Ke8 49.Bf1 Ne3 50.Bb5 c6–/+ 51.Rh6 Kf7 52.Bc6 Kg7 53.Kd2 Nc4 54.Kd3 Na5 55.Bd5 Rh6 56.gh6 Kh6 57.f4 ef4 58.e5 Kg5 59.Ke4 b5 60.e6 Kf6 61.Kf4 Nc4 62.Ke4 Ke7 63.Kd3 Nb6 64.Ba2 Na8 65.Ke4 Kd6 66.e7? Nc7 67.Bb1 Ke7 68.Ke5 Kd7 69.Bf5 Kc6 70.Ke4 Ne8 71.Kd3 b4 0–1. pcmvr (2815) – pierred (2420), net–chess.com, 2007.

4.Nf3 e4 5.Ne5 Qg5 =.

4.g4? Bb7!? 5.Nf3 e4 –+.

4.g4? Nc6?? 5.Bg2 (Better is 5.b5 Na7 6.Bg2=) 5...Bb7?? (5...b5 6.Qb5 Ba6 7.Qd5 ab4 8.a3–/+) 6.h4?? (Better is 6.b5 Nge7 7.bc6 Bc6 8.Bc6 Nc6 9.Nf3+–) 6...ab4–+ 7.Qb5 Ra5 8.Qc4 Rc5 9.Qe4? Na5 10.Qe3 Bg2 11.d4 Nc4 12.Qd3 e4 13.Qc2 Bh1 14.dc5 Bc5 15.e3 Qh4 16.Nd2 Nd2 17.Qd2 Qh2 18.cb4 Qg1 19.Ke2 Bf3# 0–1. kleanitt – sega, Live Game Caissa's Web, 2004.

3.ba5 d5

4.d4 ed4 5.cd4 Bb4 6.Bd2 Ba5 7.Ba5 Ra5 8.e3 Nf6 9.Be2 0–0 10.Nf3 Ne4 11.0–0 Qd6 12.Nbd2 (12.Qb3 Nd7=) 12...Nc3=+ 13.Qc2?? (Better is 13.Qe1=+) 13...Ne2–+ 14.Kh1 Qc6 15.Qc6 Nc6 16.Rfe1 Nc3 17.Nb3 Ra2 18.Ra2 Na2 19.Ra1 Nab4 20.Na5 Nc2 21.Ra2 N6b4 22.Ra4 b5 23.Rb4 Nb4 24.Ne5 f6 25.Nec6 Nc6 26.Nc6 Bb7 27.Nb4 Ra8 28.g4 c5! 29.dc5 d4 30.Kg1 Ra1# 0–1. Africanlion – ajop (2785), ICC, 2003.

4.d4 e4 5.e3 Nf6 6.Nd2 Ra5 7.Nb3 Ra8 8.Bb5 c6 9.Be2 Bd6 10.c4 dc4 11.Bc4 Bg4 12.f3 Bf5 13.g4 Bd7 14.g5 Nd5 15.Bd5 cd5 16.fe4 de4 17.Qh5 Qe7 18.Ne2 Ba4 19.Bb2 Bb4 20.Nd2 Ra5 21.h4 g6 22.Qh6= f6 23.Bc3 fg5? 24.Bb4+– Qb4 25.Qg7 Qf8 26.Qb7 Nc6 27.hg5 Qb4 28.Qg7 Qf8 29.Qf8 Kf8 30.Nc3 Bc2 31.Nde4 Kg7 32.a4 Rb8 33.Nc5 Rb2 34.Ne6 Kg8 35.Rh2 Nb4 36.Nc5 Kh8 37.Rd2 Kg8 38.Ke2 Nc6 39.Nd5 Rb1 40.Rb1 Bb1 41.Rb2 Bf5 42.Nf6 Kf8 43.Rb6 Ne7 44.e4 Bh3 45.Nh7 Kf7 46.Nf6 Ra7 47.e5 Bg2 48.e6 Kg7 49.Ke3 Ra8 50.Kd3 Bc6 51.Rb4 Bf3 52.Nce4 Kf8 53.Rb7 Ra4 54.Nh7 Kg8 55.Re7 Be2 56.Kc3 Kh8 57.Nhf6 Ra3 58.Kb4 Rd3 59.Rh7# 1–0. Bestia_03g – GNUChess_414, computer chess game, 2000.

4.d4 e4 5.e3 Nf6 6.Nd2 Ra5 7.Nb3 Ra8 8.Bb5 c6 9.Be2 Bd6 10.c4 dc4 11.Bc4 Bg4 12.f3 Bf5 13.g4 Bd7 14.g5 Nd5 15.Bd5 cd5 16.fe4 de4 17.Qh5 Qe7 18.Ne2 Qe6 19.Nc3 Bb4 20.Bd2 Bc3 21.Bc3 Ra2 22.Nc5 Ra1 23.Ba1 Qc4 24.Ne4 Qc1 25.Qd1 Qe3 26.Qe2 Qe2 27.Ke2 0–0 28.d5 b5 29.Kf3 b4 30.Kf4 Na6 31.Rb1 Nc7 32.d6 Ne6 33.Ke3 Ra8 34.Be5 Ra3 35.Ke2 Bb5 36.Kf2 b3 37.Ke3 b2 38.Nc3 f6 39.gf6= gf6 40.Bf6 (40...Rb3 41.Kd2=). Bestia_03g – GNUChess_414, computer chess game, 2000.

3.b5 d5

4.c4 dc4 5.e3 Be6 6.Nf3 e4 7.Nd4 Bd5 8.Nc3 c5 9.Nde2= Ne7 10.Nf4+= g6 11.Qc2+– Bg7 12.Nfd5 Nd5 13.Qe4 Kf8 14.Bb2 Nc3 15.dc3 Qe7 16.Qd5 Be5. ilmarinens (2765) – mburden (2535), net–chess.com, 2006.

4.c4 Nf6 5.cd5=+ Nd5 6.Bb2 Bd6 7.Nc3 Be6 8.g3 a4 9.Bg2 a3 10.Bc1 Bc5 11.Nf3 Nc3 12.dc3 Qd1 13.Kd1 f6 14.Ne1 Bf2 15.Nd3 Bb6 16.Bb7 Ra7 17.Bf3 Ra5 18.Kc2 0–0 19.Rd1 Bc4–/+ 20.Rb1 Re8 21.Be4 g6 0–1. ilmarinens (2765) – pierred (2420), net–chess.com, 2006.

4.e3 (--> 1.b4 e5 2.c3 d5 3.e3 a5 4.b5).

4.Nf3 Bd6 =+.

3.d4 ab4

4.cb4 Bb4 5.Bd2 Bd2 6.Qd2 ed4 7.Qd4 Qf6 8.Qf6 Nf6 9.Nc3 c6 10.Nf3 d5 11.a4 b5! 12.e3 b4 13.Nd1 c5 14.Bb5 Bd7 15.Bd7 Kd7 16.Ne5 Ke6 17.f4 Ra5 18.Nd3 Nc6 19.0–0 c4 0–1. ajeffries (1910) – pierred (2420), net–chess.com, 2006.

4.de5 Nc6 5.Nf3 d5 6.Bf4 Be7 7.e3 g5 8.Bg3 f5 9.Bb5 Kf8 10.Bc6 bc6 11.0–0 h5 12.h3 Rh6 13.cb4+/– h4 14.Bh2 Bb4 15.Qd4 c5 16.Qb2 Rha6 17.a3 c6 18.Nbd2 Ba3=+ 19.Qc2 Qe7 20.Nb1 Bb4 21.Ra6 Ra6 22.Nfd2 g4 23.hg4 fg4 24.Qg6 c4 25.Qc2 h3 0–1. Turk – Kounoupidi, HCL–B2115 playchess.de, 2003.

2.c3 a6

3.a4 Nf6 4.Qb3 d6 5.e3 Be6 6.c4 Be7 7.b5 ab5 8.Nc3 c6 9.f3 Nbd7 10.Bb2? (better is 10.Ba3 Nc5 11.Qb1 Na4 12.cb5–+) 10...Nc5 11.Qc2 bc4 12.a5 (12.Be2 d5 13.Nd1 Bd6–+) 12...Ra5 13.Na4 (13.Ra5 Qa5 14.g4 b5–+) 13...Na4 (better is 13...Qa8 14.Nc5 Ra1 15.Kf2 Rf1 16.Kf1 dc5 17.Be5–+) 14.Ra4 Ra4 15.Qa4 b5 16.Qa6 Bd7 17.Nh3 0–0 18.Be2 Qc8 19.Qc8 Rc8 20.0–0 Bh3 21.gh3 Ra8 22.f4 ef4 23.ef4 c5 (23...Ra2 24.Bc3–+) 24.Bf3 Ra2 25.Bf6 Bf6 (worse is 25...gf6 26.Rf2–+) 26.Rd1 Ra3 27.Bc6 b4 Black prepares c3 28.Re1 Ra1 29.Kf2 (29.Ra1 Ba1 30.Kf2 b3–+) 29...Re1 (better is 29...Bh4 30.Ke2 Re1 31.Kf3 Rf1 32.Kg4 Be1–+) 30.Ke1 c3 31.dc3 b3 32.Kd2 b2 33.Be4 d5! 34.Bb1 d4 35.c4 Be7 36.Kd3 f5 37.Kd2 g6 38.Kc2 Bd6 39.Kb2 Bf4 40.Kc2 Bh2 41.Kd1 h5 42.Ke2 Kg7 43.Kf3 h4 44.Kg2 Bd6 45.Kf3 Kf6 46.Bd3 g5 Black intends f4 47.Kg2 f4 48.Kf3 1–0. maddoxdb – proglot, gameknot.com, 2013. (=1.c3 e5 2.b4 a6)

3.e3 b5 4.g3 d5 5.Bg2 c6 6.Ne2 e4 7.a3 f5 8.d4 h5 9.h4 g6 10.f4 Nh6 11.Bb2 Ng4 12.Bh3? Ne3–/+ 13.Qd2 Nc4–+ 14.Qc1 Nb2 15.Qb2 Qd6 16.Nd2 Nd7 17.Nb3 Bg7–+ 18.Nc5 Nc5 19.bc5 Qc7 20.0–0 Be6 21.a4 Rb8 22.a5 Bf6 23.Rfb1 Qe7 ˝–˝. pinoy (1910) – jeany (2015), net–chess.com, 2005.

3.e3 h6 4.a4 Nc6 5.b5 ab5 6.Bb5 Nf6 7.Nf3 Bd6 8.Nh4 0–0 9.Nf5 Nh7 (better is 9...Be7!?=) 10.Nd6+= cd6 11.Bc6 (better is 11.e4+=) 11...dc6–/+ 12.0–0 Qg5 13.Qf3 Bg4 14.Qg3 Be2 15.Re1 Qg3 16.hg3 Bc4 (16...Bd3 17.e4–+) 17.Na3 (17.d4!?–/+) 17...Be6 18.Nc2 Bb3 19.Nb4 Ba4 20.Nd3 b5 21.Ba3 c5 22.e4 f5 23.Nb2 fe4 24.Re4 Ng5 25.Re3 Bb3 26.Ree1 Be6 27.Nd3 e4 28.Nf4 Bf7 29.Bb2 Ra1 30.Ra1 Bc4 31.Ra7 Rd8 32.Nh5 Nf7 33.Nf4 (33.Re7–+) 33...Ne5 34.Nh5 Bf7 35.Nf4 (35.g4 Nd3 (worse is 35...Ng4 36.Ng3–+) 36.Ba1 Bh5 37.gh5 c4–+) 35...Nc4 36.Bc1 d5 37.Rb7 d4 38.Rb5? (38.cd4 Nd6 39.Rb6 cd4 40.Ne2–+) 38...dc3 39.Kh2 Nd2 40.Rc5 Nb3?? 41.Rc3+= Nc1 42.Rc1 Re8 43.g4 e3 44.fe3 Re3 45.Rc8 Kh7 46.Rc7 Bg6 47.Rc6 Be4 48.Rc7 Bb1 49.Nh5+= Re2 50.Rg7 Kh8 51.Rb7 Be4 52.Rb8 Kh7 53.Nf4 Bc6?? 54.Ne2+– Be4 55.Rb6 Kg7 56.Nf4 Bc2 57.Kg3 Be4 58.Nh5 Kf7 59.Rh6 Bc2 60.g5 Bd3 61.Rh7! Bh7 62.Kf4 Bg6 63.g4 Ke6 64.Ng7 Kf7 65.Nf5 Ke6 66.Nd4 Kf7 67.Ke5 Bd3 68.Nf5 Kg6 69.Kf4 Bc2 70.Nh4 Kg7 71.Ke5 Bb1 72.Nf5?? Kg6= 73.Kf4 Bc2 74.Nh4 Kg7 75.Ke5 Kf7?? 76.Nf5 Kg6 77.Kf4 Bb1 78.Ne7 Kf7 79.Nd5 Kg6 80.Ne3 Bd3 81.Nd5 Bb1 82.Nc7 Bc2 83.Ne8 Bb1 84.Nd6 Bc2 85.Nf5 Bb1 86.Nh4 Kg7 87.Ke5 Bc2 88.Nf5?? Kg6= 89.Kf4 Bb1 90.Nh4 Kg7 91.Nf3 Bc2 92.Kg3 Be4 93.Ne5 Bb1 94.Kh4 Bc2 95.Kh5 Bb1 96.g6 Bc2 97.Kg5 Bb1 98.Kh5 Bc2 99.Kg5 Bb1 100.Kh5 Kf6 101.Nd7 Kg7 102.Ne5 Bc2 103.Kg5 Bb1+– 104.Kh5 Bc2 105.Kg5 Bb1 106.Kh5 Be4 107.Kg5 Bb1 108.Kh5 Bc2 109.Kg5 Bb1+/– 110.Kh5 Kf6 111.Nd7 Ke6?? 112.Nf8 Kf6 113.Kh6 Ba2 114.g5 Kf5 115.g7 Bb3 116.Nd7 Ba2 117.Nf6 Bb3 118.g8Q Bg8 119.Ng8 Ke6 120.g6 Kf5 121.g7 Ke6 122.Kg6 Kd7 123.Nf6 Ke7 124.g8Q 1–0. maddoxdb – donmod777, gameknot.com, 2012. (=1.c3 e5 2.b4 a6)

3.e4 d5 4.ed5 Qd5 5.Qb3 Qb3 6.ab3=+ Nf6 7.b5 Be6 8.c4 Bc5–/+ 9.Nf3 Bf5 10.Nc3 e4–/+ 11.Nh4 Bg4 12.ba6=+ ba6 13.h3 Bd7 14.f3 0–0 15.Ne4 Ne4 16.fe4 Nc6 17.Ba3 Ba3 18.Ra3 Rae8 19.d3 Nd4? 20.Ra6+/– c6 21.Ra7 Nb3? 22.Rd7+– c5 23.Rb7 Nc1 24.Kd2 Nd3 25.Bd3 f6 26.Nf5 g6 27.Nh6 Kh8 28.h4 f5 29.ef5 Rd8 30.Kc3 gf5 31.Bf5 Rde8 32.Rh7 1–0. sbderkach (1680) – ajeffries (1645), net–chess.com, 2006.

3.e4 Nf6 4.Nf3 d6 5.Na3 Ne4–/+ 6.Bd3 Nf6 7.Qe2 Be6 8.Ng5 Bd7 9.Bc4=+ d5 10.Qe5 Qe7 11.Qe7 Be7 12.0–0?? dc4–+ 13.Re1 Nc6 14.Nc4 0–0 15.Ne3 h6 16.Nf3 Be6 17.d3 Bd6 18.h3 Ne7 19.a3 Nf5 20.g4 Ne3 21.Be3 Nd5 22.Bd4 Ne7 23.c4 c6 24.c5 Bc7 25.g5 hg5 26.Ng5 Nf5 –+. steelnuts – pitfall, Caissa.com, 2004.

3.Nf3 d6 4.d3 Bg4 5.h3 Bf3 6.ef3 Nc6 7.Be3 (7.f4 Nf6=) 7...h6 (7...d5 8.a3=+) 8.Be2 (8.f4 ef4 9.Bf4 Qf6=) 8...Be7 (8...d5 9.a3=+) 9.0–0 Bg5 10.Nd2 (10.d4 Nf6=) 10...Nf6 11.Qb3 Qd7 12.Ne4= Ne4 13.fe4 Be3 14.fe3 0–0–0?? 15.Rf7 Qe8 16.Rg7 Qf8 17.Rf7 Qg8 18.Bg4 Kb8 19.Raf1 Rh7 20.Be6 Rf7 21.Rf7 Qg6 22.a4 Re8 23.Bg4 h5 24.Bd7 Rg8 25.Rf2 Qg7? 26.Qf7 Qf7 27.Rf7 Nd8 28.Rh7 b6 29.Rh5 Rg7 30.Bf5 Kb7 31.g4 Kc6 32.h4 b5 33.a5 Nf7 34.g5 d5 35.Rh7 Rh7 36.Bh7 de4 37.Be4 Kd6 38.Bb7 (38…Ke7 39.Ba6+–) 1–0. saddamfalseteeth – pickles, Live Game Caissa's Web, 2004.

3.e3 Nc6

4.Qa4 Na7 5.b5 ab5 6.Qb3 c6 7.a4 d6 (better is 7...ba4!? 8.Ra4 b5–/+) 8.ab5+= Bd7?? (better is 8...Be6 9.Qb2 Nb5 10.Ra8 Qa8 11.Bb5 cb5 12.Qb5 Bd7+=) 9.b6+– Nb5 10.Ra8 Qa8 11.Nh3 h6 12.Bc4 (better is 12.c4 Bh3 13.gh3+–) 12...Ne7?? (better is 12...Ke7+=) 13.Bf7+– Kd8 14.0–0?? (better is 14.c4 Qa5 15.Ng1+–) 14...d5+= 15.d4 ed4 16.ed4 Nd6 17.Bh5 Bf5 18.Qa3 Qa3= 19.Na3 g6 20.Bf3 Ne4 21.Be4+= Be4 22.Nf4 Nc8 23.f3 Bf5= 24.g4 Bd7?? 25.h4 Rg8= 26.Re1 Nb6 27.Nc2 Bd6 28.Ne6 Be6 29.Re6 Kd7 30.Rf6 Be7 31.Rf7 Ke8 32.Bh6?? Kf7–+ 33.g5 Nc4 34.Nb4 Bb4 35.cb4 Ra8 36.h5 gh5 37.g6 Kg8 38.Bf4 Ra4 39.b5 cb5 40.Kh2 Kg7 41.Kh3 Kg6 42.Kh4 Nb2 43.Be5 Nd3 44.Bh8 Ne1 45.f4 Nf3 46.Kg3–+ Nd4 47.Kh4 Nf5 (47...Nf5 48.Kh3 Ra3 49.Kg2 Ra2 50.Kh3 b4–+) 0–1. maddoxdb – donmod777, gameknot.com, 2012. (=1.c3 e5 2.b4 a6)

4.Nf3 Bb4?? 5.cb4+– Nf6 6.a3 0–0 7.Nc3 d6 8.Bb2 Be6 9.d3 Qd7 10.Be2 d5 11.0–0 e4 12.de4 de4 13.Qd7 Nd7 14.Nd4 Nd4 15.ed4 Ne5?? 16.de5 f6 17.ef6 Rf6 18.Rfe1 Raf8 19.Bf1 Rf2 20.Kh1 e3?? 21.Re3 Bf5 22.Ree1 Rb2 23.Ne4 Be4 24.Re4 Rbf2 25.Re2?? Rf1 26.Rf1 Rf1 0–1. Fournier,Frederic (1885) – cuauhs (1775), Active blind, 2011.

4.Nf3 d5 +=.

3.Nf3 Nc6

4.d3 d5 5.d4 ed4 6.Nd4 Nd4 7.Qd4 Be6 8.Nd2 Nf6 9.Nb3 b6 10.Bg5 Be7 11.e3 h6 12.Bh4 0–0 13.Bd3 Qd7 14.0–0 Bf5 15.Rad1 Bd3 16.Qd3 a5 17.Bf6 Bf6 18.ba5 ba5 19.Qd5 Qd5 20.Rd5 a4 21.Nd4 Ra6 22.Rc5 Rc8 23.Rb1 Bd4 24.cd4 Rd6 25.Rb4 a3 26.Kf1 c6 27.Rb3 Ra8 28.Rcc3 c5 29.Rc5 Ra4 30.Rcc3 Rda6 31.Ke2 f6 32.Kd3 Kf7 33.Rc7 Kg6 34.Rbb7 Ra7 35.Rg7 Kf5 36.Rb5 Ke6 37.Rb6 Kf5 38.g4# 1–0. Trkn – guest636, ICC, 2004.

4.d3 d6 5.e4 Bg4 6.h3 Bh5 7.Be2 Nf6 8.0–0 Be7 9.a3 0–0 10.Be3 h6 11.Re1 Qd7 12.Ne5 Ne5 13.Bh5 Nh5 14.Qh5 Nd3 15.Rd1 Ne5?? (Better is 15...Nb2 16.Re1 Nc4=) 16.Qe5!!+– (16...Rfe8 17.Qd5+–) 1–0. Fritz 5.32 – NN, 2003.

2.c3 b5

3.Na3 c6 4.e4 a6 (4...a5 5.Nc2 Nf6+=) 5.c4 (better is 5.d4 ed4 6.Qd4=) 5...Bb4–/+ 6.cb5 ab5 7.Nc2 Bc5 8.d3 b4 9.Bb2 Qa5 10.Be5? (better is 10.Qd2!?–/+) 10...b3–+ 11.Ke2 bc2 12.Qc2 Bf2 13.Bg7 (13.Kf2 Qe5 Discovered attack) 13...Qb6?? (better is 13...Qg5 14.Qc3 Qe3 15.Kd1 Bg1 16.Bh8 d5+=) 14.d4?? (better is 14.Nf3+–) 14...Bd4–+ 15.Bh8 Bh8 (15...Ba6!? 16.Kf3 Ba1 17.Ba1 Bf1 18.Kg3–+) 16.Rb1 Ba6 17.Ke1?? (17.Kf3 Qa5 18.Ne2–+) 17...Bc3! 18.Kd1 (18.Qc3 Qb1 Deflection) 18...Qd4 19.Kc1 Bf1 (19...Qe3 20.Kd1 Qe1) 20.Rb3 (20.Nf3 Qe3 21.Kd1–+) 20...Qe3 21.Kd1 Qe1# 0–1. pape reyes – pikelet, chessworld.net, 2014.

3.a4= ba4 4.Qa4 Qf6 5.e4 Nc6 6.Nf3+= Nge7 7.b5 Nb8 8.Qa5 a6? 9.Qc7+– a5?! 10.Ne5 d6 11.Nc4 a4 12.Nd6 (12...Qd6 13.Qd6+–) 1–0. marekt – ramesh1.1, ChessWorld.net, 2003.

3.a4= c5 4.bc5 Qa5 5.Bb2 Bc5 6.e3 b4 7.Bb5 a6 8.Bc4 Nf6 9.Qb3 0–0 10.cb4 Bb4 11.Be5?? (better is 11.Nf3 Nc6 12.0–0+=) 11...Qe5–+ 12.Nc3 Nc6 13.Nf3 Qe7 14.Bd5 Rb8 15.Bc6 dc6 16.Qc4 Qb7 17.Ne4 Be7 18.0–0 Bf5 19.Nf6 Bf6 20.e4? (20.d4–+) 20...Ba1 21.ef5 h6 (21...Bf6 22.Rc1–+) 22.g4?? (better is 22.Ra1 Qb1! 23.Rb1 Rb1 24.Qf1 Rf1 25.Kf1–+) 22...Bf6 23.Rc1 Rbe8 (23...c5 24.Kg2–+) 24.h4 (24.Qc6 Qa7 25.Rc5–+) 24...c5! 25.Nh2 (25.Qc5 Qf3 Discovered attack) 25...g5 (better is 25...Bh4!? 26.a5–+) 26.h5 Qc6 27.Nf1 (27.a5 Re4 28.Qb3 Rfe8–+) 27...Re4 28.Qc5 Qc5 (better is 28...Rg4!? 29.Ng3 Qc5 30.Rc5–+) 29.Rc5 Rg4 30.Ng3 Rd8 31.Rc6 Be5 32.Rc2 Bf4 33.Kf1 Bg3 34.fg3 Rg3 35.Kf2 Rgd3 36.Ke2 R3d5 37.f6 Re8 38.Kd1 g4 39.Rc3 Rh5 40.Rg3 Rh4 41.Kc2 h5 42.d3 Rh3 43.Rg1 Ree3 44.Rd1 g3 45.d4 Rh2 46.Kc1 g2 47.Rg1 Rh1 48.Kd2 Rg1 49.Ke3 Rh1 50.Kf2 g1Q 51.Kf3 Qd4 52.Kg2 Rc1 53.Kf3 Rc3 54.Ke2 Qd3 55.Kf2 Qd2 56.Kf1 Rc1 0–1. maddoxdb – rad2rad, gameknot.com, 2012. (=1.c3 e5 2.b4 b5)

3.Bb2 Nc6 4.Nf3 e4 5.Nd4 d5?? (better is 5...Nd4 6.cd4 Bb4+=) 6.Nc6+– Qf6 7.Nd4 Bd6 8.Nb5 Be5 9.d4 Bd6 10.Qa4 c6 11.Na7 (11.Nd6 Qd6 12.c4 Nf6+–) 11...Bd7? (11...Ne7 12.b5 cb5 13.Qa5+–) 12.e3 (better is 12.Qa6+–) 12...c5?? (better is 12...Bb8+–) 13.Bb5 Bb5 14.Qb5 Ke7 (14...Kf8 15.Qb7 Rb8 16.Qd5+–) 15.Nc6 (better is 15.Qb7 Bc7 16.Qa8 Qe6 17.dc5 Be5+–) 15...Ke6 16.bc5 Bc7 (16...Qg5 17.0–0 Bh2 18.Kh2+–) 17.Qb7 Ne7 18.Qc7 Rhe8 19.Qd6 (better is 19.Ne5 Rad8 20.Qb6 Nc6+–) 19...Kf5 20.Qf4 (better is 20.Ne7 Qe7 21.Qd5 Kg6 22.g4+–) 20...Kg6 (20...Ke6 21.Qf6 Kf6+–) 21.Ne5 Kh5 22.g4 Kh4 23.Qg3 Kg5 24.f4 (24.h4 Kh6 25.g5 Qg5 26.hg5) 24...ef3 25.Nf3 (25.h4 Kh6 26.g5 Qg5 27.hg5) 25...Kg6+– 26.Ne5 Kg5 27.h4 Kh6 28.g5 1–0. kevtheman – jamieofthenorth, gameknot.com, 2011. (=1.c3 e5 2.b4 b5)

3.Qb3 d6 4.e3 Be6 (4...c6 5.a4 Be6 6.Qc2 ba4 7.Ra4=) 5.Bb5+= c6 6.Bc4 Bc4 7.Qc4 d5 8.Qb3 Nf6 9.h3 Bd6 10.d3 0–0 11.Nd2 Nbd7 12.Bb2 Rb8 13.a3 a5 14.Ngf3 Nc5 (14...c5 15.b5=) 15.Qc2+= ab4 (15...Nd3 16.Qd3 e4 17.Qe2 ef3 18.Qf3+=) 16.ab4 (16.cb4 Nd3 17.Qd3 e4 18.Bf6 Qf6+/– (18...ed3?? 19.Bd8 Rfd8 20.Nb3+–)) 16...Ne6 (16...Nd3 17.Qd3 e4 18.Qe2 ef3 19.Nf3+=) 17.0–0+/– Bc7 (17...Nd7 18.c4+/–) 18.Ra2 Qd6 19.c4 dc4? (19...Nd7 20.Rfa1+/–) 20.Be5 (20.Nc4 Qb4 21.Nce5 Qb3 22.Qb3 Rb3 23.Nc6 Rd3 24.Bf6 gf6+–) 20...Qb4? (20...Qd3 21.Bf6 gf6 22.Rb1+/–) 21.Bc7 (21.Nc4 Be5 22.Nce5 Rfc8+–) 21...cd3 22.Qd3 (better is 22.Qc6!? Rfc8 23.Rb1 Qb1 24.Nb1 Rc7 25.Qd6 Rb1 26.Kh2+–) 22...Nc7+/– 23.Rb1 (23.Rc1!?+/–) 23...Qe7= 24.Rb8 Rb8 25.Qc3 ˝–˝. Bandy 1 – Norfolk_and_good, chessworld.net, 2013.

3.e3 a5!? =.

3.e3 a6 4.a4 c6 5.ab5 cb5 6.Bb5 Qb6 (6...ab5 7.Ra8 Pinning (7.Ra8 Deflection)) 7.Bc4 Bb7 8.f3 f6 (better is 8...d5!? 9.Bb3 Nf6+=) 9.Qb3+– a5?? (better is 9...Ne7 10.e4 d5 11.ed5 Qd6+–) 10.Bf7 (better is 10.Bg8!? d5 11.Bd5 a4 12.Bf7 Ke7+–) 10...Kd8 11.Bd5 (better is 11.Bg8 ab4 12.Ra8 Ba8 13.Bh7+–) 11...Bd5 12.Qd5 Qc6 13.Qc6 (13.Ra5?! Qd5 14.Rd5 Ra1=) 13...dc6? (better is 13...Nc6!? 14.b5 Nce7+/–) 14.Ra5+– (worse is 14.ba5 Bd6+–) 14...Ra5 15.ba5 Bc5 16.Ba3 Ba3 17.Na3 Ne7 18.Ne2 Nd5 19.e4 Kd7 20.Nc4 Na6 (20...Nc7 21.d4 ed4 22.cd4+–) 21.0–0 (better is 21.ed5!? cd5 22.Nb6 Ke6+–) 21...Nf4 22.Nf4 ef4 23.Rb1 Rb8 24.Rb8 Nb8 25.h4 g6 26.Kh2 Na6 27.d4 c5 28.d5 Ke7 29.d6 Ke6 30.Kh3 Nb8 31.Kg4 f5 32.Kf4 fe4 33.Ke4 h6 34.g4 Nd7 35.a6 Nb8 36.a7 Nc6 37.a8Q Ne7 38.Qa2 Nd5 39.Ne3 Kd6 40.Qa6 Kd7 41.Qb7 Kd6 42.Qd5 Kc7 43.Qc5 Kd8 44.Nd5 Ke8 45.Qe7 1–0. maddoxdb – robby131, gameknot.com, 2011. (=1.c3 e5 2.b4 b5)

3.e3 Nc6 4.Bb5+= Rb8 5.Bc6 dc6 6.Ne2 c5 7.b5 Bd6 8.Qa4 Bd7 9.c4 c6?? (better is 9...Ra8+/–) 10.Qa7 (better is 10.bc6 e4 11.Nbc3+–) 10...cb5= 11.Na3 b4 12.Nb5 Bb5 13.cb5 Rb5 14.Qa4 Qd7 15.Qa8 Bb8 16.a4 Rb7 17.Qa6 Nf6 18.Qc4 Bd6 19.Qa6 (19.Bb2!?+=) 19...0–0 20.Qc4 Re8 21.0–0 h6 (21...e4!?–/+) 22.Bb2+= Qe6 23.Qe6 Re6 24.a5 Ra7 25.f4 e4 26.Bf6 Rf6 27.Ng3 b3?? 28.Nh5?? Re6+= 29.Ra3 c4–/+ 30.Ra4 b2?? 31.Rb1+= g6 32.Ng3 Ra6 33.Rb2 g5 34.Rb6 Bc7? 35.Ra6+– Ra6 36.Rc4 Ba5 37.Nf1 Bd8? 38.f5 Ra1? 39.Rc8 (39.Re4?! Kg7+–) 1–0. maddoxdb – bertu, gameknot.com, 2012. (=1.c3 e5 2.b4 b5)

3.e4 c5 4.bc5+= b4? 5.cb4+– Bb7 6.Nc3 d6 7.Bb5 Nc6 8.Qa4 dc5?? 9.Bc6 Bc6 10.Qc6 Ke7 11.Nd5 Qd5 12.Qd5 Rd8 13.Qe5 Kd7 14.bc5 Nf6 15.d4 Be7 16.Bg5 h5 17.Nf3 Ng4 18.Qe7 Kc8 19.Qa7 Rde8 20.Be7 Nf6 21.Rb1 Nd7 22.Qb7 1–0. zggenev – IrishBouncer, ChessWorld.net, 2005.

3.e4 d5 4.ed5 Qd5 5.Nf3 h6 6.Bb2 e4 7.Nd4+= c6 8.d3 c5 9.c4?? bc4 10.dc4= Qe5 11.bc5 Bc5+= 12.Qa4?? Bd7–+ 13.Qd1 Nc6 14.Nc6 Qb2 15.Nd2 Bc6 16.Rb1 Qf6 17.f3 ef3 18.gf3 Rd8 19.Qe2 Ne7 20.Ne4 Be4 21.Qe4 Qc3 22.Ke2 Qd2 0–1. roze (1740) – nwishn (1735), net–chess.com, 2006.

3.e4 Nf6 4.d3 h6 5.Nf3 Nc6 6.Be2 d5 7.ed5 Nd5 8.0–0 Rb8 9.h3 Bd6= 10.Nh2 Nf6 11.Be3 0–0 12.Ng4 Ng4 13.Bg4 Be7 14.Bc8 Qc8= 15.Qg4 Qg4=+ 16.hg4 Rbd8 17.Rd1 Rd6 18.Na3 a6 19.Nc2 Rg6 20.f3= f5 21.gf5+= Rf5 22.a4 Rf3=+ 23.Rf1 Rfg3 24.Rf2 ba4 25.Ra4= Nd8 26.Ra5 Nf7=+ 27.b5 ab5 28.Rb5 Bd6 29.Bc5? Ng5 30.Bd6 Nh3 31.Kf1 Nf2 32.Be5 Rg2?? 33.Ne3+/– Rg1 34.Kf2 c6 35.Rb8 Kh7 36.Rb7 R1g5 37.Nc4 h5+= 38.d4 h4 39.Rb1 h3 40.Rh1 Rh5 41.Rh2 Rf5 42.Ke3 Rh6 43.Ke4 Rf1 44.Ne3 Rh4 45.Kd3 Rf7 46.Ng2 Rh6= 47.Ke3?? hg2–+ 48.Rg2 Rh3 49.Kd2 g6 50.c4 Rff3 51.c5 Ra3 52.Ke1 Rae3 53.Kf2 Rhf3 54.Kg1 Re1 55.Kh2 Rfe3 56.Bf6 R1e2 57.Re2 Re2 58.Kg3 Kh6 59.Kf3 Re6 60.Be5 Kh5 61.Bg3? g5 62.Bh2 g4 63.Kf4 Re2 64.Bg3 Re8 65.Kf5 Ra8 66.Ke5 Rd8 67.Ke6? Rd4 68.Bd6 Ra4 69.Kd7 Ra6 70.Kc7 Kh4 71.Kb7 Ra2 72.Kc6 g3 73.Bg3 Kg3 74.Kd7 Rd2 ˝–˝. Alviss – Ginger Prince, ChessWorld.net, 2004.

3.a4 c6

4.ab5 cb5 5.e3 d5 6.Bb5 Bd7 7.Qa4 a6 8.Bd7 Qd7 9.Qd7 Nd7 10.Na3 a5? (better is 10...Ngf6+=) 11.Nb5+– Rc8 12.Ra5 (12.ba5 Nc5 13.Ba3 Kd7+–) 12...Ngf6 (12...Bb4 13.cb4 Rc1 14.Ke2+/–) 13.Ra7 (better is 13.Ne2+–) 13...Ne4?? (better is 13...Bb4 14.d4 Bf8+/–) 14.Ne2 d4 (14...Kd8+–) 15.ed4 ed4 16.Ned4 (worse is 16.Nbd4 Ne5 17.0–0 Bd6+–) 16...Bb4 17.Nc7 Ke7 (17...Rc7 18.Rc7 Bf8 19.d3+–) 18.Nd5 Kd8 19.Nb4 Re8 (19...Ke8 20.0–0 Ndc5 21.Nf5+–) 20.0–0 (20.Nbc6 Rc6 21.Nc6 Kc8 22.Ra8 Kc7 23.Re8 Nd6+–) 20...h5 (20...Nb8 21.Rf7 Rc7 22.Rc7 Kc7 23.Re1+–) 21.Ndc6 Rc6 22.Nc6 Kc8 23.Ra8 Kb7 24.Re8 Kc6 25.Re4 f5 26.Re7 g5 27.Ba3 f4 28.f3 g4 29.fg4 hg4 30.Rf4 g3 31.h4 Kc7 32.Rd4 Kc6 33.Red7 Kb5 34.c4 Ka4 35.Ra7 Kb3 36.c5 Kc2 37.c6 Kd1 38.c7 Ke2 1–0. maddoxdb – kokitov, gameknot.com, 2013. (=1.c3 e5 2.b4 b5)

4.ab5 d5 5.e3 Nf6 6.Qa4 Qb6 7.Qa5 Qa5 8.Ra5 a6 9.bc6 Nc6 10.Ra3 a5 (10...Ra7 11.Nf3+=) 11.Ra2 (11.Bb5!? Bd7 12.Bc6 Bc6 13.Ra5 Ra5 14.ba5+/–) 11...Bb7 12.b5 Ne7 13.b6 Nc6 14.Bb5 Bc5 15.Nf3 Bb6? (15...Nd7 16.d4 Bb6 17.de5=) 16.Ba3 (better is 16.Ne5 Rc8 17.Ba3+/–) 16...0–0–0?? (better is 16...Bc7=) 17.Bc6+– Bc6 18.Ne5 Be8 19.Rb2 (better is 19.Be7+–) 19...Kb7?? (better is 19...Bc7 20.f4 Bd6+/–) 20.Bc5+– Nd7 21.Nd7 Bd7 22.Rb6 Kc7 23.0–0 f5 24.Ra6 Ra8 25.Ra8 Ra8 26.Na3 Rb8 27.Rb1 Rc8 28.Nb5 Bb5 29.Rb5 Ra8 30.Ba3 Kc6 31.Rc5 Kd7 32.Rd5 Ke6 33.Rd6 Kf7 34.Rd7 Kg6 35.h4 h5 36.Be7 a4 37.Ba3 Ra6 38.Rd6 Rd6 39.Bd6 Kf6 40.d4 Ke6 41.Ba3 Kd5 42.Kf1 g6 43.Ke2 1–0. maddoxdb – pestman, gameknot.com, 2012. (=1.c3 e5 2.b4 b5)

2.c3 c5

3.Qa4 Na6 4.b5 Nc7 5.Nf3 (5.e3 Nf6= 6.Nf3 Qe7 7.d4 e4 8.Ne5 Nfd5 9.Ba3; 5.d3 a6 6.b6 Nd5 7.Nf3 Nb6 8.Qb3 d6 9.c4) 5...Qf6 (5...Qe7 6.e4= (6.d3 Nf6 7.c4 d5 8.Nc3 e4 9.de4) 6...Nf6 7.Bd3 d5 8.0–0 Bg4 9.ed5) 6.d3 (6.e4 d5= 7.d4 cd4 8.cd4 de4 9.Ne5; 6.Na3 Ne7 7.Nc4 e4 8.Nfe5 Ng6 9.Ng4) 6...a6 (6...d5 7.e4= (7.Bg5 Qd6 8.c4 h6 9.Bh4) 7...Ne7 8.Na3 Bd7 9.Bg5) 7.ba6 (7.b6 Nd5 8.Nbd2 Qc6 9.Qc6) 7...Ra6 8.Qc2 (8.Qe4 d6= 9.c4) 8...d5 (8...Ne7 9.Nbd2) 9.e4 (9.Nbd2=) 9...d4 10.cd4 ed4 11.Be2 h6 (11...Be7 12.0–0=) 12.0–0+= Ne6 13.Ne1 g5 (13...Bd6 14.f4 Qe7 15.Bg4=) 14.Bg4= Bd6 (14...Bd7 15.Nd2+=) 15.Na3 Bh2? (better is 15...Bd7=) 16.Kh2+– h5? (16...Qe7+–) 17.Be6 g4 18.Bc8 Qh4 19.Kg1 g3 20.fg3 Qg3 21.Qc5 Ne7 22.Rb1 h4 23.Bg5 Ng6 24.Rb7 h3 25.Bd7# 1–0. Jacewicz,Grzegorz (2000) – Koenig,Uwe (2410), remoteschach.de, 2010.

3.Qa4 Nc6 4.b5 Na5 (4...Nce7 5.Nf3=) 5.c4 (5.Nf3 d6=) 5...b6 (5...d6 6.Nc3=) 6.Qc2 (6.d3 Nf6=) 6...Nf6 7.g3 (7.e4!?=) 7...Bb7+= 8.f3 d5 9.cd5 Nd5 10.Bg2 (10.Bb2 Nb4 11.Qc3 Qd4+=) 10...Bd6 11.a4 (11.e4 Nc7 12.Na3 a6–/+) 11...0–0 12.e4 (better is 12.Nc3!?–/+) 12...Nb4–+ 13.Qc3 Bc7 (13...c4!? 14.Bf1–+) 14.Ba3 Nd3 (14...Qd6 15.Bb4 cb4 16.Qb2–/+) 15.Ke2 c4 (better is 15...Nb4!?–/+) 16.Bf8= Kf8 (16...Qf8!? 17.Na3 Qc5+=) 17.Na3+= Qd6? (17...Nb3 18.Rf1 Nd4 19.Kd1 a6 20.Nc4 ab5=) 18.h4?? (better is 18.Nc4 Nc4 19.Qd3+– (worse is 19.Qc4 Rd8+/–)) 18...Qc5= 19.Rh2?? (better is 19.Rf1=) 19...Qf2–+ 20.Kd1 Qg1 21.Kc2 Qh2 22.Bf1 (22.Nc4 Nc4 23.Qc4 Nc5–+) 22...Rd8 (better is 22...Nb3 23.Rd1 Nd4 24.Kb1–+) 23.Rd1 (23.Nc4 Nc4 24.Bd3 Na5 25.Qc7 Rc8 26.Qc8 Bc8–+) 23...Qg3 (better is 23...Rd4 24.Kb1 Qg3 25.Nc4 Qf3 26.Nb2 Be4 27.Bd3 Rd3 28.Nd3 Qd1 29.Kb2 Bd3 30.Qa3 Kg8 31.Qd3–+) 24.Nc4 Nc4 25.Bd3 Qf3 (better is 25...Nd6 26.Be2–+) 26.Rf1 (26.Qc4 Rd4 27.Qc3 Be4 28.Be4 Qe4 29.d3 Qb7–+) 26...Ne3! 27.Kb3 (27.de3 Qg2 Double attack) 27...Nf1 28.Qc2 Rd3 29.Qc3 (29.Ka2 Rd2 30.Qd2 Nd2 31.Kb2 Nc4 32.Kc2 Be4 33.Kc1 Qf1) 29...Nd2 30.Kb2 (30.Kc2 Rc3 31.Kb2 Nc4 32.Ka2 Rc2 33.Kb1 Qd1) 30...Rc3 0–1. Benreguia,F – Goldmund,Heike, FICGS, 2016.

3.Bb2 cb4 4.cb4= Bb4 5.Be5 f6 6.Bb8 Rb8 7.Nc3 Qc7 8.Nd5 Qd6 9.Qb3 a5 10.Nf3 Ne7 11.Ne7 Qe7 12.e3 b6 13.Bb5 Bb7= 14.0–0 Bf3 15.gf3 Qe5 16.Rac1?? Qb5–+ 17.Rc2 Qg5 18.Kh1 d5 19.Rg1 Qf5 20.Rg7 Qf3 21.Kg1 Kf8 22.Rg3? Rg8 23.Rg8 Kg8 24.a3 Bd6 25.Rc6 Bc5 26.d4?? Qg4 27.Kf1 Qd7?? 28.Qb5?? Ba3–+ 29.f3 h5 30.e4 de4 31.Qc4 Kg7 32.fe4?? b5 33.Qc5 Bc5 34.Rc5 Qd4 35.Rc7 Kg6 36.Re7 Qd3 37.Kf2 Rd8 (38.Rd7 Rd7 39.h3 Qc2 40.Ke3 Qd2 41.Kf3 Rd3) 0–1. I need chocolate... – METSAR, ChessWorld.net, 2005.

3.b5 b6 4.e3 (4.d4 ed4 5.cd4 a6=) 4...Bb7 (4...d5 5.d4 Nd7 6.de5 Ne5 7.Be2=+) 5.Ne2 (5.d4 e4=) 5...d6 (5...d5 6.d4=) 6.Ng3 (6.d4 Nd7=) 6...Nf6 7.h3 (7.d4 Nbd7=) 7...Nbd7 8.e4 (8.d4!?=+) 8...Ne4 9.Ne4 Be4 10.Na3 (10.c4 Nf6–/+) 10...Nf6 (10...d5 11.d3 Bf5 12.Qh5–+) 11.d3 Bb7 12.Nc2 Be7 13.Ne3 0–0 14.Be2 d5 15.0–0 d4 16.Nf5 e4 17.cd4= cd4 18.Ne7 Qe7–/+ 19.f4? e3 20.Bb2 Rfd8 21.Qa4 Bd5 22.Bd4= Ne8 23.Bf3?? Bf3 24.Rf3= e2 25.Re1 Rac8 26.Re3 Qh4 27.R3e2 Qf4 28.Qd1?? Qd4–+ 29.Kh1 Qd3 30.Qd3+– Nf6 31.Qf5 Rc5 32.Qf4 Kf8 33.Rf1 Rb5 34.Qc7 Rbd5 35.Qa7 R5d7 36.Qb6 Nd5 37.Qc5 Kg8 38.Qf2 Nf6 39.a4 Rd4 40.a5 R8d7 41.a6 Ne4 42.Re4! Re4 43.a7 Ra4 44.Qe3 Kf8 45.Qc5 Ke8 46.Qc8 Ke7+– 47.a8Q Ra8 48.Qa8 f6 49.Re1 Kf7 50.Qe8# 1–0. guest1207 – guest744_jjirous, ICC, 2000.

3.e3 cb4 4.Bb5 a6 5.Ba4 b5 6.Bb3 bc3?? 7.dc3 Nf6–/+ 8.a3 a5 9.Nf3 b4?? 10.Ne5+/– Be7?? 11.Nf7+– (11...Qc7 12.Nh8 bc3 13.Qd3+–; < 11.Bf7 Kf8 12.Bd5 Qc7 13.Ba8 Qe5 14.ab4 ab4+–) 1–0. ronsteel – gera, Live Game Caissa's Web, 2004.

3.e4 a5 4.Bc4 Nf6 5.Nf3 Ne4 6.0–0 d5=+ 7.Bb5 Nc6 8.Ne5 Bd6?? 9.Nc6+– Qb6 10.Nd4 Bd7 11.Bd7 Kd7 12.Qg4 Kc7 13.bc5 Bc5 14.Qf4 Nd6 15.Nf5 Rad8 16.Nd6 Rd6 17.Qf7 Rd7 18.Qf3 Rf8 19.Qe2 19...Rdf7? 20.d4 Bd6 21.Na3 Bh2 22.Kh2 Qf6 23.Qe5 Kc6 24.f4 Qh4 25.Kg1 Re8 26.Qe8 Rd7 27.f5 b5 28.Bf4 b4 29.Qc8 Kb6 30.Qc5 Kb7 31.cb4 g5 32.Qb5 Kc8 33.Qb8 1–0. patman007 – IrishBouncer, ChessWorld.net, 2005.

3.Nf3 Qc7 4.a3 Be7 5.e3 d6 6.d4 cb4 7.ab4 Bg4 8.Be2 Bf5 9.0–0 ed4 10.ed4 Bb1 11.Rb1 Qc3 12.Rb3 Qc7 13.Bb2 d5 14.Rc3 Qd8 15.h3 Bb4 16.Rb3 a5 17.Bb5 Nc6 18.Bc6 bc6 19.Qe2 Ne7–+ 20.Bc3 0–0 21.Bb4–/+ ab4 22.Rb4 Re8 23.Qd3 Ng6 (24.Rfb1 Qf6–/+) 0–1. LuckyMiki – vallabhan, internet, 2007.

3.b5 d5

4.d4 e4 5.Bf4 =+.

4.e3 f5 5.a4 Nf6 6.Bd3 (6.d4 Nbd7=+) 6...e4 7.Bc2 d4 (7...a6!?–/+) 8.cd4 cd4 9.Bb3 Nbd7 10.ed4 Nb6 11.Qe2 (11.Ne2 Nbd5=) 11...Nbd5 12.Bd5 Nd5 13.Nc3? (13.d3 Qc7 14.Kd1 Nf6 15.de4 fe4–/+ (< 15...Ne4 16.f3+/–)) 13...Be6?? (better is 13...Nf4 14.Qd1 Ng2 15.Kf1 Nf4–+) 14.Nd5–/+ Bd5 15.Nh3 Bd6 16.g3 0–0 17.Nf4 Bf4 18.gf4 Qh4 19.Qe3 Rac8 20.Ba3 Rf6 21.Bc5 b6 22.Bb4 Rg6–/+ 23.Rc1?? Rc1 24.Ke2 Bc4 25.d3–+ Bd3 26.Kd2 Rh1 27.Bd6 Rh2 28.d5 Qf2 29.Qf2–+ Rf2 30.Kc3 Rc2 31.Kd4 Rd6 32.Ke5 Rd8 33.d6 Rc5 34.Ke6 Kf8 35.d7 Bc4 36.Kd6 Rd5 37.Kc7 R5d7 38.Kc6 Bd5# 0–1. Flip4 – Laksman4, Live Game Caissa's Web, 2004.

3.bc5 Bc5

4.d4 ed4 5.cd4 Bb6 6.e3 Ne7 7.Bd3 d5 8.Ba3 Nbc6 9.Nd2 0–0 10.Rc1 Ba5 11.Ngf3 Bd2 12.Nd2 Kh8 (12...Re8 13.Qb3+=) 13.Qh5+/– f5 14.0–0 Rf6 15.Rc2 Rh6 16.Qf3 Qc7 17.h3 Be6 18.Rfc1 Bf7 19.Be7 Qe7 20.Bb5 (20.Qf5 Bg6 21.Qd5 Bd3–/+) 20...Rg6 21.Bc6 (21.Qf5?! Be6 22.Qh5 Rg5+=) 21...bc6 22.Qf5 Be6 23.Qe5 Qf7 (23...Rf8!? 24.Rc6 Qh4 25.Nf3 Qh3 26.Ng5+–) 24.Rc6+– (White creates threats along the open c–file) 24...Re8 25.Rc7 Bd7 26.Qh2 Qf6?? (26...Rf8 27.f3 Qe7+–) 27.Rd7 Rf8 28.Qf4 Qf4 29.ef4 Rgf6 (29...Ra6 30.Rcc7+–) 30.Rcc7 Re8 (30...Rg8 31.Ra7 Rf4 32.Rd5+–) 31.Rg7 Rf4 32.Rh7 Kg8 33.Rcg7 Kf8 34.Nf3 Re6 (34...Rfe4 35.Rf7 Kg8 36.Ng5 Rd4 37.Rf6 Re1 38.Kh2+–) 35.Ra7 Kg8 36.Rag7 Kf8 37.Ne5 Ref6 38.Nd7 (38...Ke8 39.Re7 Kd8 40.Nf6 Rf6 41.Ra7 Rf7 42.Rh8 Rf8 43.Rf8#) 1–0. b4_player (2220) – danieli (1730), GameColony.com, 2003.

4.d4 ed4 5.cd4 Be7 =.

4.e3 Qf6 5.Nf3 Nc6 6.Be2 (6.d4 ed4 7.ed4 Be7+=) 6...d5 7.0–0 d4 (7...e4!? 8.Nd4 Qg6+=) 8.cd4+= Nd4?? (better is 8...ed4 9.Bb2 Nge7+=) 9.ed4+– ed4 10.d3 Ne7 11.Nbd2 0–0 12.Bb2 Kh8?! (12...Nc6 13.Ne4 Qf5 14.Qa4+–) 13.Nb3 (better is 13.Ne4 Qf5 14.Nc5 Qc5 15.Qa4+–) 13...Ng6 (13...Bb6 14.Nbd4 Nc6+–) 14.Nc5 Bg4 15.Nb3 Bf3 16.Bf3 Nh4 17.g3 Nf3 18.Qf3?? Qf3–+ 19.Rfe1 Qh5 20.Re4 Rae8 21.Re8 Re8 22.Bd4 Rf8 23.Be3 h6 24.Rd1 Qd1 (24...Qd1 25.Kg2 Qd3–+) 0–1. Fournier,Frederic (1835) – pedrocom (1700), Active blind, 2011.

3.e4 cb4=+

4.cb4 Bb4–/+ 5.Nf3 Qe7 6.Bb5 a6 7.Bc4 Nf6 8.0–0 b5 9.Bb3 Bb7 10.d4 d6 11.de5 de5 12.Bg5 0–0 13.Nbd2 h6 14.Bh4 Nbd7 15.h3 g5 16.Ng5? hg5 17.Bg5 Kg7 18.Bf6?! Qf6 19.Qg4–/+ Qg6 20.Qd7 Be4?? 21.Ne4+= Qe4 22.f3 Qd4=+ 23.Qd4 ed4 24.Rad1 Rad8 25.Rd3 a5 26.Rfd1 Bc3 27.Kf1 a4 28.Bc2 a3 29.Kf2 Rfe8 30.g3 Rc8 31.Bb3 Re7 32.f4 Rce8 33.Kf3 Re2 34.h4 Rh2 35.Bd5 Ree2 36.Kg4 f6 37.f5 Rhf2 38.Rf3? Rf3?? 39.Bf3?? Ra2–+ 40.h5 Rh2 41.Rb1 b4 42.Kf4 a2 43.Rd1 a1Q 44.Ra1 Ba1 45.Ke4 b3 46.g4 b2 (47.Kf4 b1Q 48.h6 Kh6 49.g5 fg5 50.Ke5 d3 51.Kd5 Qb5 52.Kd6 Rc2 53.f6 Qb6 54.Bc6 Qc6 55.Ke7 Re2 56.Kf7 Qe8#) 0–1. bar (1905) – macedon (2065), net–chess.com, 2008.

4.c4 Bc5–/+ 5.d3?? (better is 5.Nf3–/+) 5...Bd4–+ 6.Qd2 (6.Bg5 f6 (6...Ba1 7.Bd8 Kd8 8.Qd2+/–; < 6...Qg5 7.Nf3 Qf6 8.Nd4 ed4 9.a3–+) 7.Nd2 fg5–+) 6...Ba1 7.Qb4 Nc6 8.Qa4 Bd4 9.Nf3 Qb6 10.Nbd2 (10.Qc2 Bf2! 11.Qf2 Qb1–+) 10...Bf2 11.Kd1 Nf6 12.Ba3 Ng4 13.h3 Ne3 14.Ke2 Nf1 15.Rf1 Bg3 (15...Qe3 16.Kd1–+) 16.c5 Qd8 17.Bb2 Qe7 (17...0–0 18.Nc4–+) 18.Nc4 Qc5 (18...0–0 19.Nd6 Bf4 20.g3–+) 19.Ng5 (19.Ba3 b5 20.Bc5 ba4 21.Nd6 Kf8 22.Nc8 Kg8 23.Nd6–+) 19...0–0 (better is 19...Nd4 20.Bd4 ed4 21.Rf5–+) 20.Ba3 Qd4 21.Nf3 (21.Bf8 b5! 22.Qb5 Kf8 23.Nf7–+) 21...Qc3 22.Rc1 (22.Bf8 Kf8 23.Qb3 Qb3 24.ab3 Ke7–+) 22...Nd4 23.Nd4 Qd4 (23...ed4 24.Rc3 dc3 25.Bf8 Kf8 26.Nb6+–) 24.Bf8 Kf8 (24...Qf2 25.Kd1 Kf8 26.Qb4 d6 27.Qd6 Ke8 28.Qb4 Qg1 29.Kc2 Qg2 30.Kb1–+) 25.Qa5 (25.Qa3 Kg8 26.Qe7 Qf2 27.Kd1 h6 28.Ne5 d6 29.Qe8 Kh7–+) 25...b6 26.Qa3 (26.Qd5 Qd5 27.ed5 Bf4–+) 26...Kg8 27.Nd6 (27.Rf1 d5 28.ed5 Qd5–+) 27...Ba6 (better is 27...Qf2 28.Kd1 Bf4–+) 28.Nf5 (28.Qa6 Qf2 29.Kd1 Qg1 30.Kc2 Qc5 31.Kd1 Qd6 32.Rc8 Rc8 33.Qc8 Qf8 34.Qd7–+) 28...Qf2 29.Kd1 Bf4 (29...Qe1 30.Kc2 Rc8 31.Kb3 Rc1 32.Qb2 Bd3 33.Qc1 Qc1 34.Nh6 gh6 35.h4 Qc2 36.Ka3 Qc3 37.Ka4 b5) 30.Ne7 Kh8 31.Qc3 Bc1 (31...Qf1 32.Kc2 Qc1 33.Kb3 Qb1 34.Qb2 Qd3 35.Qc3 Qb1 36.Ka3 Bc1 37.Qc1 Qc1 38.Kb3 Bc4 39.Ka4 Qc2 40.Ka3 Qa2 41.Kb4 Qb3) 32.Kc1 Re8 (better is 32...Qe3 33.Kb2 Bd3 34.Ka3 Qe4 35.Nc8–+) 33.Nf5 (33.Qe5 Qe3 34.Kb2 Qd2 35.Kb3 Qd3 36.Kb2 Qe2 37.Kc1 Qc4 38.Kb1 Qb4 39.Kc1 Qe7 40.Qe7 Re7 41.g3–+) 33...Rc8 (34.Qc8 Bc8–+) 0–1. ricar67 – rookie2, ChessWorld.net, 2004.

4.Nf3!? =+.

2.c3 c6

3.a4 a5 4.b5 cb5 5.ab5 b6 6.Ba3 Ba3 7.Na3 Nf6 8.g3 Bb7 9.f3 e4 10.e3 0–0 11.f4 d5 12.Bh3 Nbd7 13.Bd7 Qd7 14.Ne2 Qh3 15.d4 (15.Kf2!?–/+) 15...Ng4–+ 16.Kd2 Nf2?? (better is 16...Nh2 17.Kc1 Qg2–+) 17.Qg1?? (17.Qf1 Qf1 18.Rhf1= (18.Raf1? Nh1 19.Rh1 Rfc8–+)) 17...Nh1–+ 18.Qh1 Qd7 19.h4 h5 20.Ng1 Bc8 21.Ne2 Qg4 22.c4 Be6 23.cd5 Bd5 24.Rc1 Be6 25.Rc6 Rab8 26.Qc1? Rfc8 27.Qc2 Bd5 28.Rc8 Rc8 29.Qb2 Bc4 30.Nc4 Rc4 31.d5 Rb4 32.Qc3 Rb5 33.d6 Rd5 34.Nd4 Rd6 35.Qc7 Qd7 36.Qd7 Rd7 37.Kc3 Rc7 38.Kb3 Rc5 39.f5 Rc1 40.Ka4 Rb1 41.Nc6 f6 42.Ne7 Kf7 43.Ng6 Rb4 44.Ka3 b5 45.Nf4 Rc4 46.Nh5 Rc3 47.Kb2 Re3 48.Nf4 Rg3 49.Nd5 b4 50.Nf4 Rf3 51.Nd5 Rf5 52.Kb3 Rd5 53.Ka4 e3 54.h5 e2 55.Kb3 e1Q 56.h6 Qc3 57.Ka4 Qa3# 0–1. maddoxdb – jimedward, gameknot.com, 2012. (=1.c3 e5 2.b4 c6)

3.Nf3 d5 4.Ne5= Bd6 5.d4 Be5 6.de5 Bf5 7.Qd4 Ne7 8.Nd2 0–0 9.f3 Ng6 10.e4 Be6 11.ed5 Bd5 12.c4 Be6 13.Nb3 Nd7 14.f4 Nb6 (14...f6 15.ef6 Rf6 16.Bd3=) 15.Qc3 Qc7 (15...Qh4 16.g3 Qe7 17.Nd4+=) 16.Bd3 Ne7 (16...Na4 17.Qc2 Rfd8 18.Be3+/–) 17.Qc2+– g6 18.Nd4 Rad8 19.Be3 Rd4? 20.Bd4 Rd8 21.Bc5 Nf5 22.Rd1 Nd4 23.Qf2 Nf5 24.Bb6 Qb6 25.Qb6 ab6 26.Ke2 Nd4 27.Ke3 Nf5 28.Bf5 Rd1 29.Rd1 Bf5 30.Rd8 Kg7 31.Rb8 Bb1 32.a4 Ba2 33.Kd4 b5 34.ab5 cb5 35.cb5 Bd5 36.Kd5 1–0. guest488 – guest797, ICC, 2003.

3.Nf3 Nf6 4.Ne5 d6 5.Nc4 d5= 6.Ne3 Nbd7 7.f3 Bd6 8.Nf5 Ne5 9.Ng7 Kf8= 10.Nf5?? Bf5–+ 11.d4 Bb1 12.de5= Be5 13.Rb1 Bc3 14.Bd2 Bd2 15.Qd2 Qd6 16.g4 Re8 17.b5 d4 18.g5 Nd5 19.Qd4+= Rd8?? 20.Qh8+– Ke7 21.Qh7 cb5 22.Qe4 Kd7 23.Bh3 Kc6 24.Rc1 Kb6 25.Qd4 Ka6 26.a4 Nf4 27.ab5 Kb5 28.Rb1 Kc6+– 29.Rc1 Kb5 30.Qb2 Qb4+– 31.Qc3 a5 32.0–0 Nh3 33.Kg2 Nf4 34.Kh1 Ne2 (35.Qe5 Ka6+–). bjhaskins (1670) – mpasternik, net–chess.com, 2004.

3.g3 a5 4.Qa4 b5 5.Qc2 d5 6.h4 ab4–+ 7.cb4 Bb4 8.Nf3 e4 9.Nd4 Qb6 10.e3 Ne7 11.h5 0–0 12.a4 ba4 13.Ra4 Ra4 14.Qa4 c5 15.Nb5 Bd7 16.Qa7 Qa7 17.Na7 Nbc6 18.Bb2?? Na7 19.Rh4 Rb8 20.Bh3 Bh3 21.Be5 Ra8 22.h6 Ng6 23.Nc3 Nh4 24.gh4 f6 25.Bd6 Nb5! 26.Nb5 Ra1 0–1. Rettkowski,Marcel – Fiedler,Peter, remoteschach.de, 2002.

3.e3 d5=+

4.a4 Nf6 5.b5 Bd6 6.Ba3 c5 7.f3 0–0 8.Qc2 a6 9.Bd3 Qa5 10.c4 ab5 11.ab5 d4 (11...dc4 12.Bc4 Qc7 13.Ne2+=) 12.ed4 cd4 13.Bb2 (worse is 13.Bd6 Qa1 14.Bf8 Kf8+=) 13...Qa1 14.Ba1 Ra1 15.Ne2 Nbd7 16.0–0 Nc5 17.Bf5 g6 18.Bc8 Rc8 (better is 18...d3!? 19.Qc3 de2+=) 19.d3 Nfd7 20.Ng3 f5 21.Nd2 (better is 21.Qd2!?=) 21...Ra3+= 22.Qb2 Rd3 23.Ra1 e4! 24.Ra7 (24.fe4 Bg3 Discovered attack) 24...e3 25.Ndf1 Bg3 26.hg3 Ne5 (26...Nb6 27.Qe2 Rc3 28.Kh2–+) 27.Qa2 Kg7 28.Ra8?? (better is 28.f4 Nc4! 29.Qc4–+) 28...Ra8 29.Qa8 e2 (29...Nc4?! 30.Qe8 b6 31.Qe7 Kg8 32.Qe8 Kg7 33.Qe7 Kg8 34.Qe8 Kg7=) 30.Qe8 e1Q (better is 30...Re3 31.Qe7 Nf7 32.Qc5 Re6 33.Qd4 Kg8–+) 31.Qe7= Kh6 32.Qf8?? (better is 32.Qh4 Kg7 33.Qe7 Nf7 34.Qe1=) 32...Kh5–+ 33.Qc5 (33.Qf6 g5 34.Qf5–+) 33...Nf3 (33...Rf3 34.g4 Ng4 35.Qf5 Rf5 36.c5 Rf1) 34.Kh1 Qf1# 0–1. maddoxdb – briancioffi, gameknot.com, 2011. (=1.c3 e5 2.b4 c6 3.e3 d5)

4.Qb3 e4 5.b5 Qd6 6.bc6 Nc6 7.Ba3 Qf6 8.Qd5 Ba3 9.Na3 Bf5 10.Bb5 Nge7 11.Qc4 0–0 12.Bc6 bc6 (worse is 12...Qc6 13.Qc6 bc6 14.f3+=) 13.Ne2 Rab8 14.0–0 Qg5 15.Nf4 h6 (15...Ng6!?=) 16.g3 1–0. maddoxdb – marcovarnhem, gameknot.com, 2012. (=1.c3 e5 2.b4 c6 3.e3 d5)

4.d4 e4 5.a4 Nf6 6.Be2 Be6 7.Nd2 Bd6 8.Nf1 Nbd7 9.h4 Qc7 10.Nh3 h6 11.Nf4=+ Nf8 12.Bd2 Ng6 13.Nh5?? Nh5–/+ 14.Bh5 Qe7 15.g3 Qf6 16.a5 Ne7 17.Bc1 Bc7 18.Qc2 g5 19.Be2 gh4 20.Rh4= Rg8 21.Rh1 Rg5 22.b5 Bd7 23.a6= b6 24.bc6 Bc6 25.Ba3 Bd6 26.Bd6+= Qd6 27.Qb3 Rc8 28.Nd2 Qe6 29.Nb1 (29.Rc1 Kd8+=) ˝–˝. Ziese,Gerhard – Springer,U, corr SOK–90–68, 1990.

4.Nf3 e4 5.Nd4 +=.

4.Nf3 Be6 5.d3 (better is 5.Ne5!? Bd6 6.Nf3+=) 5...Bd6+= 6.Be2 Nd7 7.Nbd2 h6 8.Bb2 Ne7 9.a3 a6 10.0–0 0–0 11.Qc2 Qc8 12.e4 d4 (better is 12...c5=) 13.cd4+/– ed4 14.Rac1 b6 15.Nb3 (15.Nd4 Bf4+–) 15...Ra7? (better is 15...c5=) 16.Nbd4+– c5 17.Ne6 fe6 18.bc5 Bc5?? (better is 18...bc5 19.Qb3 Kf7+–) 19.d4 Bd6 (19...Ng6+–) 20.Qc8 (better is 20.Qb3 Bc7 21.Qe6 Rf7 22.Bc4+–) 20...Rc8 21.Rc8 Nc8 22.Rc1 Ne7 23.Rc2 Rc7? 24.Rc7 Bc7 25.d5?? ed5+= 26.ed5 Bd6? 27.h3?? b5= 28.Bd1 Nb6 29.Bb3 Ned5 30.Bd5 Nd5 31.g3 a5 32.Bc1 b4 33.ab4 Bb4 34.Bb2 Nc3 35.Nd2 Kh7 36.g4 Nb5 37.Ba1?? Bd2–+ 38.Kg2 Bb4 39.f3 Nd6 40.h4 g5 41.hg5 hg5 42.Bf6 Kg6 43.Bg5 Ne4 44.fe4 Kg5 45.Kf3 Bd6 46.Ke2 Kf6 47.Kd1 Be5 48.Kc1 Bd6 49.Kb2?? Kg6 50.Kb3 Be7 51.g5? Bg5 52.e5 Be7 53.e6 Bb4 0–1. Fournier,Frederic (1810) – REVELO (1970), Active Blind, 2011.

3.e4 d5

4.Bd3 de4 5.Be4 Qh4 6.Qc2 Nf6 7.d3 Ng4 (better is 7...Ne4!? 8.de4 Qg4+=) 8.h3= Nf6? (better is 8...f5!? 9.Bf3 Nh6=) 9.g3+/– Qh5 10.Bf3?? (better is 10.g4 Bg4 11.hg4 Qg4 12.Bf3+–) 10...Qg6+= 11.g4 Nd5 12.Be4 Qd6 13.Bd5 (better is 13.Nd2!?=) 13...Qd5–/+ 14.f3 Be7 15.a4 0–0 16.Ne2? (better is 16.Be3–/+) 16...Qf3–+ 17.Nd2 (17.Rg1–+) 17...Qh1 (17...Bh4 18.Kd1 Qh1 19.Ng1 Qg1 20.Ke2 Qf2 21.Kd1 Qe1) 18.Nf1–+ Bh4 19.Kd2 Qf1 20.Bb2 Bg5 21.Nf4 Bf4 0–1. maddoxdb – avadakedavara, gameknot.com, 2012. (=1.c3 e5 2.b4 c6)

4.ed5 cd5 =.

3.e4 Nf6

4.f3 b5 5.a4= Ba6 6.a5 (better is 6.Na3!?+=) 6...d5+= 7.Bd3 d4 (7...de4!? 8.Be4 Ne4 9.fe4 Qh4 10.Kf1 Qe4–/+) 8.Qe2 Nbd7 9.g4 g5 10.Qf2 h5 11.Qg2 h4 (11...hg4 12.fg4 c5 13.Nh3–/+) 12.h3 Bd6 13.Bb2 dc3 14.Bc3? (better is 14.dc3!? Qe7 15.Na3+=) 14...c5 15.bc5 Bc5 16.Ne2 Qe7 17.Nc1 Nb8 (better is 17...Qe6!?–/+) 18.Qf1 b4 19.Bb2 (better is 19.Ba6!? bc3 20.Nc3+=) 19...Bd3 20.Nd3 a6 (better is 20...Nc6–/+) 21.Ne5+/– (worse is 21.Be5 Nc6 22.Bf6 Qf6=) 21...Nc6?? (better is 21...Bd6 22.d4 Nbd7+=) 22.Nc6+– Qc7 (22...Qd6 23.d4+–) 23.Bf6 Qg3 (23...Rh6 24.Nb4! Qg3 25.Kd1 Rf6+–) 24.Ke2 Qf4 (24...Qd6 25.Bh8 Qc6 26.d4+–) 25.Bh8 Kd7 26.Ne5 (better is 26.Be5 Kc6 27.Bf4 gf4+–) 26...Ke6 27.Bg7 Rd8 28.Qc1 Be3 29.Qc4 Ke7 30.Qc7 Ke8 31.Ng6 (31.de3 Rd2 32.Kd2 Qe5 33.Qe5 Kd7 34.Rc1 b3 35.Rc7 Kd8 36.Bf6) 31...Qc7+/– 32.de3?? (better is 32.Ke3 fg6 33.Bb2+/–) 32...Qc2 33.Nd2 Qd2 (33...Rd2 34.Ke1 Rg2 35.Nf4 Qd2 36.Kf1 Qf2) 34.Kf1–+ Qe3 35.Rh2 Qf3 36.Rf2 Qh1 37.Ke2 Qe4 38.Kf1 Qh1 39.Ke2 Qh3 40.Ne5 Qc3 41.Nf7 Rd2 42.Kf1 Qd3 43.Kg2 Qg3 44.Kf1 Qf2 0–1. maddoxdb – braeburn, gameknot.com, 2013. (=1.c3 e5 2.b4 c6)

4.f3 d5!? –/+.

4.Qf3 d5=+ 5.ed5 cd5 6.Bb5 Nc6 7.h3 a6 8.Ba4 Bd7 9.Qe2 b5 10.Bb3 a5 11.ba5 Na5 12.Qe5= Be7 13.Nf3?? Bc6 14.0–0?? 0–0 15.Qe1?? Nb3–+ 16.Ne5 Bb7 17.Bb2 Na1 18.Ba1 Ra2 19.Bb2 Rb2 20.Nd3 Ra2 21.f3 Qd6 22.g3 Qc6 23.Qe7 Ra1 24.Ne5 Qe6 25.Qb7 Qe5 26.Kf2 Re8 27.Qb5 Qf5 28.Kg2 Qe5 29.c4?? Qe2 30.Kg1 Qc4 31.Qc4 dc4 32.g4 Rb8 33.g5 Rbb1 34.Rb1 Rb1 35.Kf2 Ne8 36.Ke2 f6 37.g6 hg6 0–1. novice1234 – chestnut_1, ChessWorld.net, 2009.

3.Nf3 e4

4.Nd4 a6 5.d3 ed3 6.ed3+= Nf6 7.Qe2 Be7 8.Nf5 d5 9.Ng7+/– Kd7 10.Bf4 Bd6 11.Bg5 Re8?? 12.Ne8+– Qe8 13.Bf6 Qe2 14.Be2 Kc7 15.Nd2 Bf5 16.Bd4 Nd7 17.g4 Bg6 18.Nf3 Re8 19.Kd2 Kb8 20.h4 Bf4 21.Kd1 h5 22.gh5 Bh5 23.Ng1 Bg3 24.fg3 Bf3 25.Nf3 Re5 26.Ne5 f6 27.Nd7 Ka8 28.h5 (28…b5 29.h6 c5 30.h7 a5 31.h8Q Kb7 32.Nc5 Kb6 33.Qc8 ab4 34.Nb3#) 1–0. guest569 – guest1728, ICC, 2003.

4.Nd4 d5 5.d3 f5 6.Bf4 Nf6 7.e3 a5 8.b5 c5 9.Nf3?? (Better is 9.Ne2=) 9...ef3–+ 10.Qf3 Bd6 11.Be2 0–0 12.d4 c4 13.0–0 (13.a4 Ne4–+) 13...Ne4 (13...Bf4 14.ef4 a4 15.Na3–+) 14.Re1 Bd7?? 15.Bd6+= Nd6? 16.Qd5+– Nf7 17.Qb7 Bb5 18.Qa8 Bc6 19.Qa7 Nd6 20.Qc5 Be4 21.Nd2 Qg5 22.Ne4 Ne4 23.Bc4 Kh8 24.Qf8# 1–0. marekt (2005) – benhawkes (1840), ICC, 2003.

2.c3 Nc6

3.a3 Bb4?? 4.ab4+– Nd4?? (4...d6+–) 5.cd4 ed4 6.Bb2 Qe7 7.Nf3 d3 (7...Nf6 8.Bd4 Qb4 9.Nc3+–) 8.Nc3 (better is 8.Bg7 f6 9.Bh8 Qf8+–) 8...Qe2 (8...f6+–) 9.Be2 de2 10.Qe2 Ne7 11.0–0 (11.Nd5 0–0 12.Ne7 Kh8+–) 11...b6 12.b5 (12.Nd5 0–0 13.Ne7 Kh8 14.Bg7 Kg7 15.Nf5 Kg8 16.Qe7 h6 17.Qf6 a5 18.Qg7) 12...Bb7 13.d4 (13.Rfe1 0–0 14.Qe7 Bf3 15.gf3 c6+–) 13...0–0–0 14.Rfe1 (better is 14.Qe7 Rde8 15.Qf7 Rhf8+–) 14...Bf3 15.Qf3 Rde8 16.Ra7 (16.Qa8) 16...d5 17.Raa1 (17.Qg3 Kd8 18.Qc7) 17...Nc6 18.bc6 Re1 19.Re1 (19.Re1 h6 20.Qe2 Kb8 21.Qa6 Re8 22.Re8) 1–0. Fournier,Frederic (1930) – Borromeo, Active Blind, 2008.

3.Ba3 Bd6 4.b5 Nce7 5.g4 b6 6.e3 Ba3 7.Na3 d6 8.Nh3 Nf6 9.Bg2 Bg4–/+ 10.f3 Bh3 11.Bh3 0–0 12.Rg1 e4 13.Rg5 ef3 14.Qf3–/+ h6 15.Rg3 Qc8?? 16.Bc8+– Rac8 17.Qb7 Ned5 18.Qa7 Ne4 19.Rf3 Ng5?? 20.Rf5 Ne7 21.Qb7 Nf5 22.Qd5 Ne7 23.Qd3 Nf3 24.Kf2 Nh2?? 25.Rh1 Ng4= 26.Ke2 Ne5 27.Rh5?? Nd3–+ 28.Kd3 c6 29.Nc4 cb5 30.Nb6 Rc6 31.Rb5 Ra8 32.Na8= Ra6 33.Rb8 Kh7 34.Nc7 Ra2 35.Ne8 h5?? 36.Nd6 f6 37.Nf7 h4= 38.Rh8 Kg6 39.Nd6 Ra4 40.Re8 Nf5=+ 41.e4?? Nd6–+ 42.e5 fe5 43.Re6 Kf5 44.Rd6 Rg4 45.c4?? h3 46.Ra6 Rg1 47.c5 h2 48.Ra7 h1Q 49.c6 Qd5 50.Kc2 Rg2 51.Rf7 Ke6 52.Rf8 Rd2 53.Kc3 Qd4 54.Kb3 Rb2 55.Ka3 Qb4 0–1. jrich – islanderfan, net–chess.com, 2002.

3.Ba3 Nf6 4.Qa4 Be7 (4...e4 5.b5 Ba3 6.Na3–/+) 5.d3 (5.b5 Nb8+=) 5...Nd5 (5...0–0 6.Nf3–/+) 6.g3 (6.b5 Ba3 7.Na3 Nce7+= (worse is 7...Nc3 8.Qb3 Nb5 9.Nb5+/–)) 6...Bg5 (better is 6...b5!? 7.Qb3 Nf6–/+) 7.Bg2 Nb6 8.Qb3 0–0 9.Qc2 (9.b5 Ne7=) 9...d6 10.d4? (10.Nf3!?=) 10...Nc4 (better is 10...ed4 11.b5 Ne5 12.cd4 Nec4–/+) 11.Bf1?? (better is 11.Nf3!? Bf6 12.b5+=) 11...Bg4 (better is 11...ed4 12.b5 N6a5–+ (12...Na3 13.Na3 d3 14.ed3 Re8 15.Be2–+)) 12.e3 Na3 13.Na3 Qf6 (better is 13...ed4 14.b5 Ne7 (14...de3 15.bc6 bc6 16.Be2+=) 15.cd4 c5–+) 14.f3?? (14.b5 ed4 15.bc6 de3 16.f3+=) 14...Bh6 (14...Bf3 15.de5 Ne5 16.Nf3 Nf3 17.Kd1–+) 15.Qe4?? (better is 15.fg4 ed4 16.ed4 (worse is 16.cd4 Be3 17.Qg2 Rfe8–+) 16...Rfe8 17.Be2 Nd4 18.cd4 Qd4 19.Rd1 Qb4 20.Kf1 Qa3 21.Nf3+/–) 15...Qg5 (15...Bf5 16.de5 de5–+ (16...Be4?! 17.ef6 Bf5 18.e4=)) 16.Bd3?? (better is 16.fg4!? ed4 A) 17.cd4? Rae8 18.h4 Qf6–+ (18...Re4 19.hg5 Re3 20.Ne2 Ra3 21.gh6+=); B) 17.Nh3 Qe3 18.Qe3 Be3 19.b5+/–) 16...g6 (better is 16...f5 17.h4 fe4 18.Bc4 Kh8 19.hg5 ef3 (worse is 19...Bg5 20.fg4 Be3 21.d5+=) 20.gh6 f2 21.Kf1 fg1Q 22.Kg1 gh6 23.Rh6 Rf3+=) 17.Nb5?? Rac8 18.f4?? Qh5 19.d5? Ne7 20.Na7 Bf5 21.Qc4 Bd3 22.Qd3 Ra8 23.Nb5–/+ ef4 24.gf4? Qh4?? 25.Kf1 Nf5 26.Nc7 Ra3 27.Nf3+= Qh3 28.Kf2 Bf4? 29.ef4+– Nh4 30.Nb5?? Qg2–+ 31.Ke3 Re8 32.Kd4 Qf2 33.Kc4 Raa8 34.Nc7 Re3?? 35.Qb1 Rc8 36.Nh4 Rc7 37.Kb3 Rcc3 38.Ka4 Qe2 39.b5 Ra3 40.Kb4 Qd2 41.Kc4 Qc3 0–1. Cabral,ME Felix – Isis Blanco,M, Juiz de Fora BRA, World Schools Ch U09g, 2014. (=1.c3 e5 2.b4 Nc6)

3.Qb3 d5 4.Bb2 Be6 5.d4 f6 6.Nf3=+ e4 7.b5?? Na5–+ 8.Qa4 c6?? 9.Nh4? cb5 10.Qc2? f5 11.g3 g5 12.Ng2–/+ Qc7 13.e3 Ne7 14.Bb5=+ Nec6 15.h4 g4 16.Nf4 Qd6 17.Ba3 Qd7 18.Qa4 Nc4 19.Bf8 Rf8 20.Qd1 0–0–0 21.Nd2 Rf6 22.h5 Qc7 23.Nb1 Qa5 24.a4 Nb2 25.Qe2+/– Nc4 26.h6 a6 27.Ne6 Re6 28.Bc4 dc4 29.Rh5 Ne7 30.Rg5 Rg8?? 31.Qc4+/– Kd7 32.Qc5?? Qc5–+ (33.Rg8 Qc4–+ (33...Ng8?! 34.dc5 Rc6 35.Nd2–/+)) 0–1. ifairclough – quikeagle, net–chess.com, 2001.

3.b5 Na5 4.Qa4= b6 5.Qe4+= Qe7?? 6.Qa8+– Qd8 7.Qa7 Bc5 8.e3 d5 9.d4 Bd6 10.de5 Be5 11.Nf3 f6 12.Ne5 Qe7 13.Nd3 Nh6 14.Qa8 Qd7 15.Nf4 0–0 16.Qd5 Qd5 17.Nd5 Rf7 18.e4 c6 19.bc6 Nc6 20.Bh6 gh6 21.Nd2 Kg7 22.Rb1 Ne5 23.Rb6 f5 24.f4 Ng4 25.e5 Rd7 26.c4 Ra7 27.h3 Ra2 28.hg4 Ra1 29.Nb1 Kf7 30.Rhh6 Kg7 31.Rhc6 Bd7 32.Rc7 (32…Kf8 33.Rd7 Ra8 34.e6 Rc8 35.Rf7 Ke8 36.Nf6 Kd8 37.Rd7#) 1–0. Iwan – Michal Piszczalka(piszczyk), internet, 2009.

3.d3 d6 4.g3 Nf6 5.Bg2 d5 6.Bg5 Be7 7.Nf3 h6 8.Be3 a6 9.0–0 d4 10.cd4 ed4 11.Bd2 Nb4?? 12.Bb4+– Bb4 13.a3?? Bd6 14.Nd4 Be5–/+ 15.e3 c5 16.Bb7?? Bb7 17.Qa4 Qd7 18.Qd7 Kd7 19.Nb3 Ba1 20.Nc5 Kc6 21.Nb3 Be5 22.d4 Bd6 23.Na5 Kc7 24.Rc1 Kb8 25.Nb7 Kb7 26.a4 a5 27.f3 Bb4 28.Rc4 Rac8 29.Rc8 Rc8 30.Kf1 Rc1 (31.Ke2 Rb1–+) 0–1. bar (1905) – tata (2000), net–chess.com, 2008.

3.d4 ed4 4.b5 Ne5 5.cd4 Nc4 6.Qb3 d5 7.e4 Be6 8.Nc3 de4?? (Better is 8...Nb6 9.e5 Ne7=) 9.Bc4+– Qd4 10.Be6 fe6 11.Qe6 Ne7 12.Nge2 (12...Qd7 13.Qe4+–) 1–0. Marre – lewyprawy, zagraj.pl, 2003.

3.d4 h5 4.b5 Na5 5.de5 Qe7 6.Nf3 d6 7.Qa4 b6 8.Ba3 f6 9.ed6 cd6 10.Bd6!! Qd6 11.Qe4 (11...Kf7 12.Qa8+–) 1–0. miehnekort – fahman_strococaster74, Yahoo, 2005.

3.e3 a6 4.Bc4 b5 5.Bd5 Bb7 6.Qf3 Nf6 7.Bb3 Rb8 (Better is 7...a5–+) 8.d4? (Better is 8.Qg3=+) 8...Nb4!–+ 9.Qg3 Nd3 10.Kd2 Nf2!! 11.Qf2 Ne4 12.Ke2 Nf2 13.Kf2 Qf6 14.Nf3 e4 15.Nbd2 ef3 16.Nf3 Be4 17.c4 bc4 18.Bc4 Bb4 19.Ba6 Bc3 20.Bd2 Ba1 21.Ra1 Rb2 22.Ke2 Bf3 23.gf3 Qa6 0–1. Kunk – PassedPawn, ChessWorld.net, 2003.

3.e3 Bb4?? 4.cb4+– Nb4 5.Nc3 d5 6.a3 Nc6 7.Nf3 Bf5 8.Be2 Nd4?? 9.ed4+– ed4 10.Nd4 Qe7 11.Nf5 0–0–0 12.Ne7 Ne7 13.0–0 Nf5 14.Bf3 Ng3 15.hg3 Rhe8 16.Re1 Re1 17.Qe1 Re8 18.Qf1 Re1 19.Qe1 f5 20.d4 g6 21.Bf4 h5 22.Rb1 b5 23.Nd5 c6 24.Nc7 (24.Nc7 g5 25.Qe6 Kb8 26.Na6 Kb7 27.Qc6; 24.Qe6 Kb7 25.Rb5 cb5 26.Nf6) 1–0. Fournier,Frederic (1825) – angelbetico (1700), Active blind, 2011.

3.e3 g6 4.Nf3 Qe7 5.d3 Bg7 6.Be2 Nf6 7.Bb2 0–0 8.Nbd2 Nb8 9.0–0 c6 10.a3 d5 11.Rc1 a6 12.Qc2 b5 13.e4 de4 14.de4 Bb7 15.Rfd1 Nbd7 16.Bf1 Rfd8 17.Qb1 (17.c4 Ra7+=) 17...Nf8 (better is 17...c5!?+=) 18.c4+= Ne6 (18...N8d7 19.Qc2+=) 19.c5 (19.Be5 Ng5 20.Qb2 Nf3 21.Nf3 Rd1 22.Rd1 c5+/–) 19...Rd7 (19...Nd4 20.Bd3+=) 20.h3 (20.Ne5!? Rdd8 21.Nb3+–) 20...Rad8+= 21.Nb3 Rd1 22.Rd1 Rd1 23.Qd1 Qd8 24.Qd8 Nd8 25.Bd3 Ne6? (25...Nd7 26.Kf1+=) 26.Bb1 Bc8? 27.g3 Bd7? 28.Ne1 Nd8 29.Kg2 Nb7? 30.f3 Bf8? 31.Nd3 Be7 32.Nf2?? Bd8? 33.g4 a5? 34.Bc3 ab4+/– 35.ab4 Ne8? 36.Be1 Bg5 37.Na5 Na5 38.ba5 Bc8 39.Bd3 Nc7 40.a6?? Na6–+ 41.Nd1 Nc7 42.Nc3 Be6 43.Bf1 Ne8 44.Na2?? Ba2 0–1. Fournier,Frederic (1860) – klamm (1975), Active blind, 2011.

3.Nf3 d5 4.g4?? (better is 4.b5 e4 5.bc6 ef3 6.cb7 fg2 7.ba8Q gh1Q 8.Qa4 Bd7 9.Q4a7+=) 4...Bg4–+ 5.Rg1 Nh6 (better is 5...Bf3 6.ef3 Qh4–+) 6.b5+= e4 (better is 6...Ne7 7.Ne5 Be6+=) 7.Ba3?? (better is 7.bc6 ef3 8.cb7+=) 7...ef3–+ 8.h3?? (better is 8.bc6 bc6 9.e3–+) 8...fe2 9.Be2 Ne5 10.hg4 Qh4 11.c4? Qh2 12.f3?? Qg1 13.Bf1 Nd3 14.Ke2 dc4 15.Qc2 Qf2 16.Kd1 Qe1# (16...Qf1#) 0–1. Rohn,Kat (2000) – Ch,Da (1950), remoteschach.de, 2008.

3.Nf3 e4 4.Nd4 Nd4 5.cd4 Bb4 6.e3 d5?? (6...Nf6 7.Qb3 a5 8.Nc3–/+) 7.Be2?? (7.Qa4 c6 8.Qb4 Qe7 9.Qe7 Ne7+–) 7...Nf6?? 8.0–0?? 0–0–/+ 9.d3 Bf5 10.de4 Ne4 11.Bd2 a5 12.f3 Nd2 13.Nd2 Bc3 14.Rc1–/+ Bb2 15.Rc5 b6 16.Rb5 Ba3 17.e4 Be6 18.Qb3 c6 19.Rb6 de4 20.Qb1 Qd4 21.Kh1 Qd2 22.Qd1 Qd5 23.fe4 Qe4 24.Ra6 Ra6 25.Ba6 Bd5 26.Rf2 Ba2 27.h3 Bc5 28.Re2 Bb3 29.Qb3 a4 30.Qc2 Qd4 31.Re1 f5 32.Bb7 Rf6 33.Qd1? a3 34.Qb3 Kf8 35.Re6?? Qg1# 0–1. Geordiedazza – Hammi.Bogart, ChessWorld.net, 2003.

3.a4 Nf6

4.a5 a6 5.e3 h6 6.Qb3 d6 7.b5 Ne7 8.b6 cb6 9.Qb6 Qb6 10.ab6 Ned5 11.Bd3 Be7 12.Ne2 Nb6 13.Ng3 0–0 14.Bf5 Bf5 15.Nf5 Nbd5 16.c4 Nb4?? (16...Rfc8 17.Na3 g6 18.Nh6 Kg7 19.cd5 Kh6 20.d3–/+) 17.0–0?? (better is 17.Ne7 Kh7 18.Ke2+–) 17...Rfe8–/+ 18.Ba3 Nc2 19.Ra2 Na3 20.Na3 d5 21.Ne7 Re7 22.cd5 Nd5 23.Rb2 b5 24.g3 b4 25.Nc4 Rb7 (25...e4!? 26.f3 ef3 27.Rf3–+) 26.e4 Nf6 27.Ne5 a5 28.d4 (better is 28.f3!?–/+) 28...Ne4–+ 29.Rc1 a4 30.Nc4 Rc8 31.f3 (31.Kg2 b3 32.Rbb1 Rb4–+) 31...Nc3 (better is 31...Nd6! 32.Nd6 Rc1 33.Kf2–+) 32.Nd6 Ne2!! 33.Kg2 (33.Re2 Rc1 Discovered attack (33...Rc1 Decoy)) 33...Nc1 (worse is 33...Rc1 34.Nb7 b3 35.Nc5 Nd4 36.Na4–+) 34.Nc8 (34.Nb7 Rc4 35.Rd2 b3–+) 34...Rc7 (better is 34...a3 35.Ne7 Kh7 36.Rb1–+) 35.Nd6 Rd7 36.Nb5 Nb3 37.g4 Nd4 38.Rd2? b3 39.Nd4 Rb7 40.Nf5?? a3 Black prepares the advance b2 41.Rd8 Kh7 42.Ra8 b2 43.Ra3 b1Q 44.Kg3 Qg1 45.Kf4 Qh2 46.Ke3–+ Rb2 47.Ra8 Qd2 48.Ke4–+ Rb4 49.Ke5 Qf4 50.Kd5 Rb5 51.Kc6 Qc4 52.Kd6 Rb6 53.Ke7 Rb7 54.Kf8 Qc5 55.Ne7 Qe7 0–1. maddoxdb – francoisg, gameknot.com, 2012. (=1.c3 e5 2.b4 Nc6)

4.a5 d5 5.Na3 a6 6.Qa4 b5 7.Qc2 g6 8.Nf3 Bg4 9.Nh4 Ne4 10.f3?? Qh4–+ 11.g3 Qd8 12.fe4=+ d4 13.cd4 Qd4?? 14.Qc6+– Bd7 15.Qa8 Ke7 16.Nc2 Bg7 17.Qa6 Qe4 18.d3 Qh1 19.Be3 Qh2?? 20.Bc5 Kd8 21.Rd1 Bh6?? 22.d4 Qg3 0–1. heinvictor – afcwarren (1750), net–chess.com, 2005.

3.e3 d6

4.Bb2 Bd7 5.Nf3 Nf6 6.d3 Be7 7.Be2 0–0 8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 d5 12.0–0 d4 (better is 12...b5!?=) 13.cd4+/– (13.ed4?! ed4 14.Ne4 dc3 15.Bc3 Nb4=) 13...ed4 14.ed4?? (better is 14.b5 Nb4 15.Nd4+/–) 14...Nd4?? (better is 14...Nb4 15.Ne5 Nfd5–/+) 15.Nd4 Bb5?? (15...Bb4 16.Ne4 Ne4 17.de4 Qh4+–) 16.Nb5 Ng4 (16...c6 17.Nc3 Bb4+–) 17.Bg4 Bb4 18.Nf3 Bd2 (18...f5 19.Qa2 Kh8 20.Bh3+–) 19.Nd2 Re8 20.Nf3 c6 21.Nc3 Qd4 22.Nd4 Re1 23.Re1 (23.Re1 h5 24.Qa8 Kh7 25.Bf5 g6 26.Qf8 gf5 27.Qf7 Kh6 28.Bc1 f4 29.Bf4; 23.Qa8 Re8 24.Qe8) 1–0. Fournier,Frederic (1780) – MOUZOV (1700), Active blind, 2011.

4.Bb5 Nf6 5.Bc6 bc6 6.Ne2 Ba6 7.0–0 Be7 8.Re1 0–0 9.a4 d5 10.Qb3 Ng4 11.h3 Bc4 12.Qc2 Nh6 13.d3 Ba6 14.d4 (better is 14.e4!?+=) 14...e4+= 15.Qb2 f5 16.b5 Bb7 17.Nf4 Qd7 18.Qb3 Rab8 19.Ba3 cb5 (better is 19...Ba3!? 20.Na3 g5=) 20.Be7+/– ba4 21.Qa3 Rfe8 22.Bc5 Ba6 (22...g5 23.Ne2+– (23.Ba7?! Ra8 24.Nh5 Qf7 25.Qa4 Qh5+/–)) 23.Nd2 (23.Ba7?! Ra8 24.Bc5 g5+–) 23...Bb5 24.Qa2 c6 25.Nf1 Nf7 26.Ng3 Ng5 27.Ngh5 Ne6 28.Qa3 Nf4 (28...Nc5!? 29.Qc5 Qe7+/–) 29.Nf4+– g5 30.Nh5 Qf7 31.Bd6 (31.Ng3 f4 32.ef4 gf4+–) 31...Rbc8? (better is 31...Qh5 32.Bb8 Rb8+=) 32.Ng3+– f4 33.ef4 gf4 34.Nh1 f3 35.g3 Qh5 36.Kh2 Re6 37.Bf4 Rf8 38.g4 Qf7 39.Be3 Qc7 40.Ng3 Rf7 41.Qc5 Kg7 42.Kh1 Qe7 43.Qe7 Rfe7? (better is 43...Ree7!? 44.Nf5 Rf5 45.gf5 Kf6+/–) 44.Nf5+– (44.Nf5 Kf6 45.Ne7 Re7 46.Reb1+–) 1–0. maddoxdb – gingerbyron, gameknot.com, 2012. (=1.c3 Nc6 2.b4 e5)

4.Nf3 Be6 5.d3 f5 6.Be2 Nf6 7.Bb2 Be7 8.a3 Qd7 9.0–0 0–0 10.Nbd2 Kh8 11.e4 fe4 12.de4 a6 13.Qc2 Rf7 14.Rac1 h6 15.Rfd1 Raf8 16.Nf1 Nh7 17.Ne3 g5 (better is 17...Ng5!?=) 18.h3 Rg7 (18...Bf6+=) 19.Nd5 (19.c4!? Qc8 20.c5+/–) 19...Bd8 20.c4 Ne7? (20...g4 21.hg4 Bg4 22.Kf1+=) 21.Ne7 (21.Ne3!? Qe8 22.c5+–) 21...Qe7+/– 22.c5 h5 23.Qb3?? (better is 23.cd6 cd6 24.Ne5 de5 25.Be5+=) 23...Bb3–+ 24.cd6 cd6 25.Rc3 (25.Rf1 Nf6 26.Nd2 Be6–+) 25…Bd1 (25...Bd1 26.Bd1 Bb6–+) 0–1. Fournier,Frederic (1900) – draglim (2110), Active Blind, 2008.

3.e3 Nf6

4.Bb2 d6 5.d4 ed4 6.cd4 Qe7 (better is 6...Nb4!? 7.Nf3 Be7–/+) 7.a3 d5 8.Nf3 Bd7 9.Bd3 0–0–0 10.0–0 a5 (10...Re8 11.Qc2+=) 11.ba5 Na5 12.Bc3 Nc6 13.Nbd2 g5 (13...Re8 14.Qa4 Kb8 15.Qb3+/–) 14.h3 (14.Bb4 Qe8 15.Ng5 h6+–) 14...h5 (14...g4 15.hg4 Bg4+/–) 15.Qc2 (better is 15.Bb4 Nb4 16.ab4+–) 15...g4= 16.hg4 Bg7? (16...hg4 17.Ne5 Ne4+=) 17.gh5 (better is 17.g5!? Ne8 18.Rfb1+–) 17...Rh5+/– 18.Rfe1 Rhh8 19.Kf1 Qd6 20.Ke2 Bg4 21.Rh1 Bf3 22.Nf3 Rh1 23.Rh1 Re8 24.Bb4 Nb4 25.ab4 Ne4 26.Rb1 Qf6 27.Kf1 Kd7 28.Be4 de4 29.Nd2 Qg6+/– 30.Ne4?? f5?? 31.Ng3 Rh8 32.Rc1 Qd6 33.Qc7 Qc7+= 34.Rc7 Kc7 35.Nf5 Bf8 36.Ng3 Rh1?? 37.Nh1+– b5 38.Ke2 Kb6 39.Kd3 Kc6 40.Ng3 Kd5 41.Ne2 Bh6 42.Kc3 Ke4 43.g3 Be3 44.fe3 Kf3 45.Nf4 Ke4 46.Kd2 Kf3 47.Ne2 1–0. Fournier,Frederic (1970) – emmanuelmtz, Active, 2009.

4.Qb3 b5 5.Bb5+= a5 6.Bc6 dc6 7.b5 c5 (7...a4!? 8.Qc4 Ra5+=) 8.Nf3= Be6 9.Qa4 Bd7? (better is 9...e4 10.Ng5 Bf5+=) 10.Ne5+– h6 11.Ba3 Rb8 12.c4 Bd6 13.Nd3 Ra8? (better is 13...Ne4+–) 14.Bc5 0–0 15.Nc3 Bc5 (15...Bf5 16.Bd6 Qd6 17.Nf4+–) 16.Nc5 Re8 17.Nd7 Nd7 18.Nd5 Nc5 19.Qa3 Ne4 20.d3 Nd6 21.0–0 Qg5 (21...Nf5+–) 22.Nc7 Rad8 23.Ne8 Ne8 24.Rad1 Ra8 25.d4 White intends c5 25...Qd8 26.c5 Nf6 27.b6 Qb8 28.Rb1 Nd5 29.b7 Ra7 30.Qb3 Nb4 31.c6! Nc6 32.Rfc1 a4 33.Qb6 Qd6 34.Qc6 Qb8 35.Qc8 1–0. maddoxdb – belzafiro, gameknot.com, 2012. (=1.c3 e5 2.b4 Nc6 3.e3 Nf6)

4.Qb3 d5!? +=.

4.Nf3 d5 5.Bb2 e4 6.Nd4 Nd4 7.ed4 –/+.

4.Nf3 d5 5.Bb2 Be6 6.Be2 (6.b5!? Nb8 7.Ne5+=) 6...Bd6 7.d3 Qe7 8.Nbd2 0–0–0 (8...e4 9.de4 de4 10.Nd4 Nd4 11.ed4+=) 9.0–0 (9.b5 Nb8 10.Qa4 Bd7=) 9...h6 (9...e4 10.de4 de4 11.Nd4 Nd4 12.ed4+=) 10.e4 (10.b5!? Nb8 11.Qa4+=) 10...de4+= 11.Ne4 (11.de4!? g5 12.b5=) 11...Ne4–/+ 12.de4 f5 (12...Bb4!? 13.Qa4 Bd6–/+) 13.ef5 Bf5 14.Bd3?? (better is 14.b5 Nb8 15.Qa4=) 14...e4 (better is 14...Bd3 15.Qd3 e4 16.Qe3 ef3 17.Qf3–+) 15.Nd4? (15.b5 Bc5 16.Nd2 Rd3 17.bc6–+) 15...Nd4 (15...ed3?! 16.Nf5 Qe5 17.Nd6 Rd6 18.Qb3+=) 16.cd4 (16.Be4 Be4 17.cd4 Bb4–+) 16...ed3 17.Qd2 Bh7 18.f3 Be5 19.de5= Qe5?? 20.Be5+– Rhe8 21.Bg3 Re2 22.Qc3 d2 23.Rad1 Re1 24.Rfe1 de1Q 25.Re1 h5 26.Kh1 h4 27.Qc7 1–0. Fournier,Frederic (1915) – xamere (1895), Active Blind, 2008.

4.Nf3 d5 5.b5 e4 =.

4.Nf3 d5 5.d3 Bf5 (5...Bd6 6.Be2+=) 6.Bb2 (6.b5 Nb8 7.Ne5 Bd6+=) 6...Bg6 (6...Bd6 7.b5 Ne7 8.Be2+=) 7.Be2 (better is 7.b5 Nb8 8.Ne5+/–) 7...Bb4?? (better is 7...e4 8.de4 de4=) 8.cb4+– 0–0 (8...e4 9.de4 de4 10.Nd4 Nd4 11.Bd4+–) 9.0–0 (9.b5 Ne7 10.Be5 Nd7+–) 9...Re8? (9...e4 10.Ne5 Nb4 11.Ng6 fg6 12.de4 Ne4 13.Qd4+–) 10.a3 (better is 10.b5!? Nb8 11.Ne5 Bf5+–) 10...e4 11.de4 de4 12.Qd8 Rad8 13.Nfd2 b6? 14.Rd1 Ne5 15.Be5 Re5 16.Nc3 Ree8 17.Nde4 Rd1 18.Rd1 Ne4 19.Ne4 Be4 20.f3 Ba8 21.Re1 a5 22.ba5+= ba5 23.e4 c5 24.a4 Bc6 25.Bb5 Bb5 26.ab5 a4 27.Ra1 a3 28.b6 c4?? 29.b7 Rb8 30.Ra3 Rb7 31.h3 c3?? 32.Ra1 Rc7?? 33.Rc1 c2 34.Kf2 h6 35.Ke2 Kh7 36.Kd2 g5 37.Rc2 Rc2 38.Kc2 f5?? 39.ef5 Kg7 40.g4 h5 41.Kd3 hg4 42.fg4 Kf6 43.Ke4 (43.Ke4 Kf7 44.Ke5 Kg7 45.Ke6 Kf8 46.f6 Kg8 47.f7 Kg7 48.Ke7 Kg6 49.f8Q Kh7 50.h4 gh4 51.Kf7 h3 52.Qg7) 1–0. Fournier,Frederic (1905) – davcece (1645), Active, 2011.

3.e4 Nf6

4.b5 Ne7 +=.

4.Qc2 d5 5.ed5 Nd5 6.Bc4 Nb6 7.Na3? Nc4 8.Nc4–/+ Be6 9.Ne3 Bd6 10.Nf3 0–0 11.d4? ed4–+ 12.Nd4 Bd7 13.b5?? Ne5 14.f4 Ng4 15.g3?? Re8–+ 16.Qd3 Qe7 17.0–0–/+ Ne3 18.Re1 Bf5?? 19.Nf5+– (19…Nf5 20.Re7 Ne7 21.Be3+–) 1–0. dtpoun – PineMartin, caissa.com, 2006.

4.Bc4 d5 5.ed5 Nd5 6.Bd5? (better is 6.Nf3!?+=) 6...Qd5–/+ 7.Qf3 Qf3 8.Nf3 Bd6 9.0–0 0–0 10.a4 h6 11.a5 a6 12.Na3 f6 13.Nc4 Be7 14.Nh4 Kh7 15.Ne3 g6 16.Nd5 Bd6 17.d3 Bg4 18.f3 Be6 19.Ne3 f5 20.Nc4? (20.g3 Rfd8–/+) 20...Be7 (20...g5 21.f4 gh4 22.fe5 Ne5 23.Nd6 cd6 24.d4–+) 21.Ng6? (better is 21.g3–/+) 21...Kg6–+ 22.f4 Bc4 23.dc4 e4 24.b5 (24.Rd1 Bf6 25.Bd2 Rad8–+) 24...ab5 25.cb5 Ra5 26.Ra5 Na5 27.Rd1 Rd8 28.Re1 (28.Rd8 Bd8 29.Be3 b6–+) 28...Rd3 29.Bb2 Nc4 30.Ba1 Bc5 Black intends e3 31.Kh1 (31.Kf1–+) 31...Bf2 32.Rf1 e3 33.h3 Nd2 34.Rc1–+ Nb3 35.Rb1 Na1 36.Ra1 e2 37.Kh2 e1Q 38.Re1–+ Be1 39.c4 Bg3 40.Kg1 Rd1 0–1. maddoxdb – jcortereal, gameknot.com, 2012. (=1.c3 e5 2.b4 Nc6 3.e4 Nf6)

4.d3 d5 5.b5 Ne7 6.ed5 Qd5 7.c4?? (Better is 7.Nf3=+) 7...Qd4–+ 8.Bb2 Qb2 9.Nd2 Ng6 10.a4 Bc5 11.Ngf3 Ng4 12.Rb1 (12.Qb1 Bf2 13.Kd1 Qb1 14.Rb1–+) 12...Bf2 13.Ke2 Nf4# 0–1. Hammi.Bogart – PassedPawn, ChessWorld.net, 2003.

4.d3 d5 5.Nd2 d4 6.cd4 Qd4–+ 7.Nb3 Bb4 8.Bd2 Bd2 9.Qd2 Ne4?? 10.Nd4 Nd2=+ 11.Kd2?? Nd4–+ 12.Ne2 0–0 13.Nd4 ed4 14.Be2 c5 15.Rhc1 b6 16.Ke1 g6 17.Kf1 Kg7 18.Bf3 Rb8 19.Re1 Bf5 20.g4? Bd3 21.Kg2 Rbe8 22.Re8 Re8 23.a4 Be4 24.Be4 Re4 25.f3 Re2 26.Kg3 d3 (27.g5 h6–+) 0–1. nandy conure – Kunk, ChessWorld.net, 2005.

4.d3 Ne7 5.Nf3 d6 6.Qa4 Bd7 7.b5 a6–/+ 8.c4 ab5 9.Qb3 c5 10.cb5=+ Qb6 11.a4= Ra5 12.Ng5 d5= 13.ed5 Ned5 14.Nc3 Nb4 15.Be2 Be6 16.Ne6= Qe6 17.Qe6 fe6 18.0–0 Nc2 19.Rb1 Nd5 20.Nd5=+ ed5 21.f4 Ra4 22.fe5 Nd4 23.Bf3 Rb4 24.Rb4 cb4 25.Bd5 b6 26.Bb2 Bc5+= 27.Bd4 Bd4=+ 28.Kh1 Rf8 29.Rf8 Kf8 30.e6 Ke7 31.Bc4 g5 32.g4+= Kd6 33.Kg2 h6 34.Kf3+/– Bf6 35.Ke4 Be5?? 36.Kf5 Bh2?? 37.Kf6+– h5 38.e7 Kd7 39.Kf7 b3 40.e8Q Kc7 41.Qc6 Kd8 42.Be6 hg4 43.Qd7# 1–0. Kevin@home – easydigital, ChessWorld.net, 2005.

4.Qe2 g6 5.Nf3 d6 6.d4 Bg7 7.d5 Ne7= 8.Qb5 Qd7 9.Qd7 Bd7 10.Bd3 Nh5 11.Na3 0–0–0 12.Ng5 Rdf8 13.Be3 h6 14.Nf3 f5 15.Nc4 Kb8 16.a4 fe4 17.Be4–/+ Nf5 18.Bd2? g5?? 19.g4+/– Nf4 20.gf5 Ng2? 21.Ke2+– Bf5 22.Bf5 Rf5+/– 23.Rhg1 Nf4 24.Bf4 ef4 25.Nd4 Bd4 26.cd4 Re8 27.Kd2 Rd5 28.Rge1 Rd4= 29.Kc3 Rde4 30.Re4 Re4 31.Nd2 Re2 32.f3 Rh2–/+ 33.Re1 Kc8 34.Ne4 Kd8 35.Nf6= c6 36.Re8 Kc7 37.Re7 Kb6 38.Nd7 Ka6?? 39.Nb8 (39…Kb6 40.a5 Kb5 41.Rb7 Ka4 42.Nc6+–) 1–0. sekhmet – Jeff_Foster, playchess.de, 2001.

4.f3 d5 5.Bb5 Bd7 6.Bc6 Bc6 7.d3 d4 8.Bg5 dc3 9.Bf6 Qf6 10.a3 a5 11.Nc3 ab4 12.Nd5? (better is 12.ab4 Ra1 13.Qa1 Bb4 14.Qa8 Qd8 15.Qd8 Kd8 16.Nge2–+) 12...Bd5 13.ed5 ba3 14.Qb3 Qh4 15.g3 (15.Ke2 Qb4 16.Qa2 Qd4–+) 15...Qb4 16.Qb4 Bb4 17.Ke2 (17.Kd1 Ke7–+) 17...a2 18.Nh3 Bc3 19.Rac1 (19.Ng5 b5 20.Ne4 Ba1 21.Ra1 b4–+) 19...a1Q 20.Ra1 Ra1 21.Ra1 Ba1 22.Ng5 h6 23.Ne4 Ke7 24.Nc5 b6 25.Ne4 Rd8 26.f4 Rd5 27.f5 f6 28.g4 c5 29.h3 b5 30.h4 (30.Nd2 Bd4–+) 30...b4 (30...c4 31.dc4 bc4 32.Nf2–+) 31.Nd2 Bc3 32.Nb3 Rd4! 33.Nd4 ed4 34.h5 b3 35.Kd1 b2 (35...c4 36.Ke2–+) 36.Kc2 c4! 37.dc4 d3! 38.Kb1 (38.Kd3 b1Q Combination) 38...d2 39.Kc2 b1Q! 40.Kb1 (40.Kb1 d1Q Mate attack) 40...d1Q 41.Ka2 Qc1 42.Kb3 Qb2 43.Ka4 Qb4 0–1. karlsdad – the horror man, ChessWorld.net, 2013.

4.f3 Ne4 5.Ne2 Nf6 6.d4 ed4 7.b5 –/+.

2.c3 d5

3.a3 (--> 1.b4 e5 2.a3 d5 3.c3).

3.Ba3 a5 4.Qa4 Nd7 5.e3 c6 6.d4 b5 7.Qb3 a4 8.Qc2 Bd6 9.Nf3 e4 10.Nfd2 Ndf6 11.Be2 Ne7 12.0–0 0–0 13.f3 Nf5–+ 14.g4?? Ng4!! 15.fg4 Bh2! 16.Kh2 Qh4 17.Kg1 Qg3 18.Kh1 Ne3 19.Rg1 Qh3# 0–1. Krahl,Wolfgang – Klaus,Gerd, D0012 DESC, 1999.

3.Ba3 a6 4.e3 (4.Nf3 Nc6–/+) 4...Bd7 (4...Nc6!?–/+) 5.d4+= e4 (5...ed4 6.cd4 (worse is 6.Qd4 Nf6–/+) 6...Nf6 7.Qb3+=) 6.Qb3 Nf6 7.Nd2 Be7 (7...Nc6 8.c4 Bf5 9.Nh3+=) 8.Ne2 (8.c4 Be6+=) 8...0–0 9.Nf4 c6 (9...Bb5 10.Nd5 Qd5 11.c4+=) 10.Be2+= Bd6 11.c4 Bf4 12.ef4 b5 13.c5 Bf5 (13...Bg4 14.Bg4 Ng4 15.0–0+=) 14.h3 h6 (14...a5 15.g4 Be6 16.f5=) 15.Nf1+= Nh5?? (better is 15...Qc7+=) 16.Bh5+– Qf6 17.Ng3 Bh7 (17...Bg6 18.Bg6 fg6 19.Ne2+–) 18.Qe3 Nd7 (18...a5 19.ba5 Ra5 20.Bg4+–) 19.0–0 Qe7 (19...a5 20.Rfb1+–) 20.Bb2 Nf6 21.Be2 Qe6 (21...a5 22.a4 ba4 23.Ra4 ab4 24.Rb4+–) 22.a4 Bf5 23.Ra2 Ne8 (23...Rac8 24.ab5 ab5 25.Ra6+–) 24.ab5 ab5 (24...cb5 25.Bb5! Nc7+–) 25.Ra8 1–0. Janek – fixiq, internet, 2017.

3.Ba3 Nc6 4.Nf3 e4 5.Ng1 a5 6.ba5 Ba3 7.Na3 Ra5 8.Qb3 Qe7 9.Nh3?? Qa3–+ 10.Qa3 Ra3 11.f3 Nf6 12.fe4 de4 13.d3 Rc3 14.Nf4 Rc2 15.e3 g5 16.de4 gf4 17.ef4 Ne4 18.Kd1 Nd4 19.Rc1 Bg4 20.Be2 Be2 21.Ke1 Rc1# 0–1. cind18 – Caissa, Live Game Caissa's Web, 2004.

3.Ba3 Bf5 4.Nf3 Bd6 5.e3 Nf6 6.Bb5 (6...Nbd7 7.0–0–/+). wonderhorse – gambitzoid (1675), net–chess.com, 2005.

3.Ba3 Nf6 4.d4 e4 5.e3–/+ a6 6.f4 b5 7.g3 Nbd7–+ 8.Bh3 Be7 9.g4 h6 10.Nd2 Nb6 11.Ne2 Bg4 12.Bg4 Ng4 13.Ng3 Ne3 14.Qc1 Ng2 15.Ke2 Nf4 16.Kf1 Bh4 (17.Nde4 Ne6–+; 16...Qd7 17.Kg1 g5 18.Qe1–+) 0–1. Vauban – pauloroberto, internet, 2006.

3.Na3 Bd7 4.d3 Nf6 5.Nf3 Bd6 6.Bb2 0–0 7.c4 e4 8.Nd4?? Re8 9.Bc3 Na6 10.Nab5 Be5 11.f3? ed3–+ 12.Qd3 Nh5 13.cd5? Nf4 14.Qe3?? Nd5–+ 15.g3 Ne3 16.f4 Nc2 17.Nc2 Bc3 18.Nc3 Bc6 19.a4 Bh1 20.b5 Nc5 21.a5 Nb3 22.Rb1 Nd2 23.Rd1 Nf3 24.Kf2 Qf6 25.ef3 Qc3 26.Rc1 Qd2 (27.Kg1 Qc1 28.b6 Re2 29.Ne1 Qe1 30.bc7 Rg2 31.Kh1 Qf1#; 26...Qc5 27.Nd4 Qd4#) 0–1. Gregor123 – Hobbykegler, mySchach.de, 2004.

3.Qa4 c6 4.b5 Bd7 5.d3 (5.e3 Nf6+=) 5...cb5–/+ 6.Qb3 Bc6 7.Nf3 Bd6 8.Bb2 a5 (8...Nf6 9.e3–/+) 9.c4 (9.Ba3 a4 10.Qb2 Bc7–/+) 9...Bb4 10.Bc3 Bc3 11.Nc3 bc4 12.dc4 d4 13.Nb5 f6 (13...a4 14.Qb4 Na6 15.Qa4–/+) 14.e3 Ne7 (14...Bf3!? 15.gf3 Na6–/+) 15.ed4= ed4 16.Nfd4 Qd7 (better is 16...a4!? 17.Qe3 Qa5 18.Qd2 Qd2 19.Kd2 Na6+=) 17.Rd1+/– Bb5?? (better is 17...0–0+/–) 18.Nb5+– (18.Qb5?! Nbc6 19.Be2 Nd4 20.Rd4 Qb5 21.cb5 Rd8 22.Rd8 Kd8+=; 18.cb5?! a4 19.Qc4 Nd5+–) 18...Qe6 19.Be2 Na6 (19...0–0 20.Nc7 Qe4 21.Na8+–) 20.Nd6 Kf8 21.Qb7 (21.Qb7 Re8 22.Qa6+–; 21.Nb7?! Ng6 22.Na5 Nc7+–) 1–0. pierred (2735) – blackfox (2530), net–chess.com, 2013. (=1.c3 e5 2.b4 d5 3.Qa4 c6 4.b5 Bd7)

3.Bb2 Bd6 4.e3 Nf6 5.f3 (5.c4 0–0–/+) 5...a6 6.g4? (6.c4 dc4 7.Bc4 Nc6–/+) 6...Nc6 (6...Ng4 7.h4 e4 8.f4–+) 7.a3 (7.d3 0–0–/+) 7...0–0 (7...Ng4!? 8.h4 e4 9.f4–+) 8.Qe2 Re8 9.Qg2 e4 10.g5 Nh5 (10...Nd7!?–/+) 11.Be2 Be7?? (better is 11...Ne5 12.fe4 de4 13.Qe4 Qg5=+) 12.fe4+/– g6 13.ed5+– Ne5 14.Bh5 gh5 15.Nf3?? Nd3–+ 16.Ke2 Nb2 17.g6? Bg4 18.gf7=+ Kf7 19.Rf1? Qd5–+ 20.h3 Qd3 21.Ke1 Bf3 22.Qf3 Ke6 23.Qf7 Kd7 24.Rf6 Qc4 25.Qh7?? Rh8 26.Qg7 Nd3 27.Kd1 Nf2 28.Rf2+/– Rhg8 29.Qh7 Rg1 30.Kc2+– Rf1?? 31.d3 Rf2–+ 32.Kd1 Qb3 33.Ke1 Qb2 34.d4 Qe2# 0–1. chk – colt, Live Game Caissa's Web, 2004.

3.Bb2 Be7 4.Nf3 e4 5.Nd4 Bf6 6.e3 Ne7 7.Ba3 0–0 8.b5 c6 9.Be7 Qe7 10.bc6 Bd4 (10...bc6 11.Nb3–/+) 11.cd4 (better is 11.cb7!? Bb7 12.cd4+=) 11...Nc6+= 12.Nc3 Be6 13.h3 a6 14.g4 f5 15.Qb3 Qd7 16.gf5 Bf5 (16...Rf5 17.d3+=) 17.Nd5 Na5? (better is 17...Be6!? 18.Nb6 Qf7 (18...Bb3 19.Nd7 Nb4 20.ab3 Nc2 21.Kd1 Na1 22.Bc4 Kh8 23.Nf8 Rf8 24.Ke2+–) 19.Qe6 Qe6=) 18.Nf6+/– Kh8 19.Nd7 Nb3 20.Nf8?? (better is 20.ab3 Bd7 21.d3+/–) 20...Na1–/+ 21.Bg2 (better is 21.Nh7!? Kh7 22.Bg2–/+) 21...Rf8–+ 22.Ke2 Nc2 23.h4 Nb4 24.a3 Nd3 (better is 24...Bg4 25.Kf1 Nd3–+) 25.Rf1 g6 26.f3 Nc5?? (better is 26...ef3 27.Bf3 Nb2–+) 27.dc5+– ef3 28.Bf3 Rf7 29.d4 Kg7 30.h5 gh5 31.Bh5?? Rf6?? 32.Bf3+– Bg6 33.e4 Rf4 34.d5?? Kf7?? 35.e5 Ra4 36.Bh5 Kg7? 37.Bg6 hg6 38.e6 Re4 39.Kd3 Re5 40.Rf7 Kg8 41.Rb7 Rd5 42.Kc4 Re5 43.e7 Kf7 44.c6 Re7 45.c7 Rc7 46.Rc7 Kg8 47.Rc6 Kf7 48.Ra6 g5 49.Rd6 g4 50.Rd1 Kf6 51.Rg1 Kf5 52.a4 Kf4 53.Kd3 Kf3 54.Kd2 g3 55.Rf1 Kg2 56.Ke1 Kh2 57.a5 g2 58.Kf2 gf1Q 59.Kf1 Kg3 60.a6 Kf4 61.a7 Ke5 62.a8Q Kd4 63.Ke2 Ke5 64.Ke3 Kf5 65.Qe4 Kf6 66.Kf4 Kf7 67.Kf5 Kg7 68.Qe6 Kf8 69.Qd7 1–0. kevtheman – jsmitch, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.Bb2 Be7)

3.b5 a6 4.b6 (4.d4 ed4 5.Qd4 Nf6=+) 4...cb6 5.a4 Nf6 6.a5 (6.d4!?–/+) 6...ba5–+ 7.Nf3 Bd6 8.Na3 Nc6 9.c4 e4 10.cd5 Nd5 (10...ef3?! 11.dc6 Be5 12.Rb1–/+) 11.Qb3 (11.Ng1–+) 11...Ba3 (11...ef3?! 12.Qd5 fe2 13.Be2–+) 12.Ba3 ef3 13.e4 (13.Qf3 Ndb4 14.Bb4 ab4–+) 13...fg2 14.Bg2 Nf4 15.Rg1 (15.Bf1 Nd4 16.Qg3 Nc2 17.Kd1 Na1 18.Qf4–+) 15...Nd3 16.Ke2 Nd4 17.Kd3 Nb3 18.Kc2 Qd2 19.Kb3 Be6 20.Ka4 b5# 0–1. Rettkowski,Marcel (1620) – Farmer,Walter (2260), remoteschach.de, 2002.

3.b5 Be6 4.Nf3 Bd6 5.a4 Ne7 6.h3 0–0 7.e3 c5 0–1. peteywheatstraw – doctorfeelgood (1700), gameknot.com, 2012.

3.b5 Nf6 4.d4 e4 5.e3 c6 6.c4 a6 7.ba6 ba6 8.c5 Be7 9.h4 h5 10.Na3 Bd7 11.Nc2 Be6 12.Nb4 Nfd7 13.Qa4 Qc7 14.Na6?? Na6–+ 15.Ba6 Nb8 16.Rb1 Ra6?? 17.Qb5?? Ra8 18.Qe2 Na6 19.Nh3 Bh3 20.Rh3 g6 21.g4 hg4 22.Qg4 Qa5 23.Bd2 Qa2 24.Rb7 Qa1 25.Ke2 Nc5! 26.Rc7 Qa6 27.Ke1 Nd3 28.Kf1 Ne5 29.Qe2 Qa1 30.Kg2 Rh4 –+. bjhaskins (1740) – gonso (2300), net–chess.com, 2003.

3.d3 a6 4.g3 b5 5.Bg2 Bb7 6.Bb2 f6 7.Nd2 c6 8.e4 Ne7 (9.Nb3 Nd7=; 8...a5 9.a3=+). vissky – Charlemagne, internet, 2007.

3.d3 c6 4.Qc2 Be6 5.a3 Bd6 6.g3 Ne7 7.f3 0–0 8.e4 f5 9.Bg2 Nd7 10.Nd2 fe4 11.fe4 de4 12.de4 Qb6 13.Nb1 Ng6 14.Nf3 Bg4 15.Qe2 a5 16.Be3 Qc7 17.Nbd2 b5 18.0–0 Be7 19.h3 Be6 20.Bg5 Nf6 21.Kh2 h6 22.Be3 Rad8 23.Rf2 Kh7 24.Re1 ab4 25.ab4 Ra8 26.Rc1 Ra2 27.Qe1 Rfa8 28.Bf1 Qd7 29.Rd1 Qb7 30.Bd3 Qc8 31.Qf1 R8a6 32.Nb1 Rf2 33.Qf2? Ra7?? 34.Rd2 Bh3–+ 35.Kg1 Ra1. Cvetkovic,Miloslav (2055) – Nesovanovic,Miroslav, Belgrade Trophy, 2004.

3.d3 Nc6 4.Nf3 Bd6 5.Bg5 Nge7 6.Be7 (6.b5 Na5+= (6...f6 7.Bd2 e4 8.bc6 ef3 9.cb7 Bb7 10.gf3 Qd7) 7.Qa4 b6 8.Nbd2 f6 9.Bh4 a6 10.ba6 Bd7) 6...Qe7 (6...Ne7 7.e3–/+ (7.Nbd2 0–0 8.g3 a5 9.a3 Qe8 10.Bg2 Qc6) 7...a5 8.ba5 Ra5 9.Nbd2 0–0 10.Be2 Bf5) 7.a3 (7.e4 Be6–/+ 8.b5 Na5 9.Qa4 b6 10.Be2 Nb7; 7.b5 Nd8 8.Nbd2 0–0 9.e4 c6 10.Be2 Ne6) 7...Bg4 (7...e4 8.de4 de4 9.Nd4–/+ e3 10.Nc6 bc6) 8.h3 (8.e4 Be6+= 9.b5 Nb8 10.Be2 0–0; 8.b5 Nd8 9.Nbd2 0–0 10.h3 Be6) 8...Bh5 (8...Bf3 9.gf3 Rg8 (9...0–0 10.Nd2 Qe6) 10.Qa4–/+ (10.b5 Na5) 10...Qh4; 8...Bd7 9.Nbd2 0–0 10.e4 d4) 9.g4 (9.e4 de4 (9...0–0–0 10.Nbd2 f5) 10.de4 0–0–0+=; 9.Qb3 Qe6 10.Nbd2 0–0–0) 9...Bg6–/+ 10.b5 (10.Bg2 e4 11.de4 Be4–/+ (worse is 11...Qe4 12.Nh4 Qe7 13.Ng6 hg6 14.Bd5+=)) 10...Na5 (10...Nd8 11.Nfd2–/+) 11.h4 (11.Qa4 b6+=) 11...h6 (11...e4 12.h5 ef3 13.hg6 fg6 14.Qa4–/+) 12.Nbd2 (12.Qa4 b6+=) 12...e4–/+ 13.de4 Be4 (13...de4 14.h5 Bh7 15.Qa4–/+) 14.Ne4 (14.e3 h5 15.Ne4 de4+=) 14...de4 15.Nd2? e3–+ 16.fe3?? Bg3# 0–1. Korn,Lothar – Sochacki,Heiko (2025), remoteschach.de, 2010.

3.d3 Bf5 4.e3 Nc6 5.a3 Bd6 6.g4 Be6 7.f3 e4 8.fe4 de4 9.d4 Nge7?? 10.c4 Nb4?? 11.ab4+= Bb4 12.Bd2 Bd2 13.Nd2 f5 14.gf5+– Bf5 15.Bg2 c6 16.Nb3 0–0 17.Nc5 Qc7? 18.Bh3?? Qd6 19.Nb7?? Qb4–/+ 20.Qd2 Qb7 21.Bf5 Rf5 22.Nh3 Raf8 23.Qe2?? Rf3 24.Ng5 Rf2! 25.Qd1?? Qb4 26.Qd2 Qd2# 0–1. arok – rla, internet, 2007.

3.d3 f6 4.Nf3= c5 5.bc5 Bc5 6.d4 ed4 7.cd4 Bb4 8.Bd2 Bd6 9.Nc3 Ne7 10.Qb3 Qb6 (10...Bc7!?+=) 11.Qb6+/– ab6 12.Nb5 Kd7 13.Nd6 Kd6 14.Bf4 Kd7 15.e3 Nec6 16.Bb5 Ke7 17.0–0 (17.Ke2 Bf5+/–) 17...Bg4 18.Nd2 Na6 19.Rfb1 Bf5 20.Rb2 Rhc8 21.Ba4 Ncb4 22.a3 Nc5? (better is 22...Nc2 23.Rf1 g5+/–) 23.dc5+– (23.ab4 Ra4 24.Rba2 Ra2 25.Ra2 Nd3–/+; < 23.Rb4 Na4 24.f3 Bd3=) 23...Nd3 24.Bd6 Ke6 25.Rb6 Ra4 26.Nb3 Kf7 27.Rb7 Kg6 28.h3 Rc4 29.a4 Rc2 30.f3 Rb2 31.a5 Nc5 32.Nc5 Rc2 33.a6 R2c5 34.Bc5 (34…Bd7 35.Rd7 Rc5 36.a7+–) 1–0. Sidenko,Anatoly – Oktavianus,Riza, corr UECC, 1999.

3.d4 c6 4.de5+= Bf5 5.Nf3 g6 (5...Nd7 6.Bf4+=) 6.Bg5 f6 7.ef6 Nf6 8.Nd4 c5 (better is 8...Bc8!?+/–) 9.Nf5+– gf5 10.bc5 Bc5 11.Bf6 Qf6 12.Qd5 Qc6?? (better is 12...Bb4 13.Qb3 Nc6+–) 13.Qe5 Kd7 14.Qh8 Qd6 (14...Qg6 15.g3+–) 15.Qh7 Ke6 (15...Kc6 16.Qf5 Nd7 17.e3+–) 16.Qb7 Qd5 (16...Qc6 17.Qc6 Nc6 18.e3+–) 17.Qd5 Kd5 18.g4! fg4 19.Bg2 Kd6 20.Ba8 (20…Nd7 21.Nd2+–) 1–0. guest2458 – fanda, ICC, 2003.

3.d4 f6 4.de5= fe5 5.e4 Nf6 6.ed5 Nd5 7.Bc4 Nc6?? 8.Bd5+– Bd6 9.Qf3 Rf8 10.Bc6 Ke7 11.Bg5 Ke6 12.Bd8 Rf3 13.gf3 bc6 14.Na3 Bb7 15.Bh4 a6 16.0–0–0 c5 17.bc5 Bc5 18.Ne2 Be7 19.Nc4 Bh4 20.f4 Bh1 21.Rh1 Bf2 22.fe5 g5?! 23.Ng3 Bg3 24.hg3 Rh8 25.Kc2 h5 26.a4 h4 27.gh4 gh4 28.Kb3 h3 29.Kb4 h2 30.Ka5 Rh4 31.Kb4 Rh3?? 32.Nd2+– Ke5 33.Ka5 Kf4 34.Nf1 c6? 35.Kb6 Kf3 36.Rh2 Rh2 37.Nh2 Ke3 38.Ka6 Kd3 39.Kb6 Kc3 40.a5 Kc4 41.a6 c5 42.a7 Kd4 43.a8Q c4 44.Qd8 Kc3 45.Kc5 Kb3 46.Qd4 c3 47.Qc4 Kb2 48.Kb4 c2 49.Qb3 (49…Ka1 50.Qc3 Kb1 51.Kb3 c1Q 52.Qd3 Ka1 53.Qa6 Qa3 54.Qa3 Kb1 55.Qb2; 49.Qc3 Kb1 50.Kb3 c1Q 51.Qd3 Ka1 52.Qa6 Qa3 53.Qa3 Kb1 54.Qb2) 1–0. METSAR – maz_manchester, ChessWorld.net, 2005.

3.d4 Nf6 4.de5 Ng4 (4...Ne4!?=) 5.Nf3+/– Nc6 6.Bf4 Bf5 (6...f6!? 7.ef6 Qf6+=) 7.h3 Bb1 (better is 7...Nh6!?+/–) 8.Rb1+– (8.hg4?! Be4+/–) 8...Nh6 9.e3 Nf5 10.Bd3 Nfe7 11.b5 Na5 12.e6 fe6 13.Nd4 Qd7 14.Qh5 Kd8 15.Qf7 (15.Bh7?! c5 16.bc6 Nec6+–) 15...Ng6 16.Bg6 hg6 17.Ne6 (17.Qe6?! Bc5+–) 17...Kc8 18.Qd7 Kd7 19.Nc7 g5 20.Bh2 Rc8 21.Nd5 Rc5 22.Rd1 Ke6 23.e4 Rc4 24.f3 Bc5 25.Nc7 Kf6 26.Rd5 Rc3 27.Be5 Kg6 28.Bc3 (28...Bb6 29.Rd7+–) 1–0. orane (1930) – tuvi (1725), Live Game Caissa's Web, 2003.

3.e3 b6 4.Nf3 a5 (4...Bd6 5.b5+=) 5.Bb2 (5.Ne5 Qf6 6.Qa4 c6+=) 5...ab4 (5...e4 6.Ne5 Bd6 7.c4+=) 6.cb4 (6.Ne5 Qd6 7.cb4 Qb4 8.Qc1+=) 6...c5 (6...e4 7.Nd4 Nf6+= (worse is 7...Bb4 8.Nc6 Nc6 9.Bg7+=)) 7.bc5 bc5 8.Bc3 (8.Be5 Nc6+/–) 8...Ba6 (better is 8...e4!? 9.Ne5 c4+=) 9.Ba6+/– Na6 10.0–0 (10.Ne5 Nf6+/–) 10...Nc7 (10...e4 11.Ne5 Nb4 12.d3=) 11.Qc2 (11.Ne5 Nf6+/–) 11...Bd6 (11...e4 12.Ne1=) 12.d3 (12.Be5 Nf6+/–) 12...Nf6 (12...Qf6 13.e4 Ne6 14.ed5+/–) 13.Nbd2 (13.Be5 Be5 14.Ne5 Qd6+/–) 13...0–0 (13...Qe7 14.Rfb1=) 14.Nb3 (14.Be5 Be5 15.Ne5 Qd6+/–) 14...Rb8 (14...Re8 15.Rfb1+=) 15.Rfd1 (15.Ne5 Ra8+/–) 15...c4 (better is 15...Re8=) 16.dc4+/– dc4 17.Ne5?? (better is 17.Na5 Ncd5 18.Nc6+/–) 17...Be5?? (17...cb3 18.ab3 Rb7=) 18.Rd8+– (18.Be5 cb3 19.Qc7 Qc7 20.Bc7 Rb7+/–) 18...Rbd8 (18...Rfd8 19.Be5 cb3 20.Qc7+–) 19.Be5 cb3 20.ab3 Nb5 21.Bf6 gf6 22.Qb2 Kh8 23.g3 Na3 24.Ra3 Ra8 25.Ra8 Ra8 26.Kg2 Rg8 27.b4 (27.b4 Kg7 28.b5+–) 1–0. Fournier,Frederic – fumadorr (1680), Active Blind, 2008.

3.e3 f6 4.c4 c6 5.b5 a6 6.Qa4 dc4 7.bc6? (better is 7.Bc4 cb5 8.Bb5 Bd7 9.Bd7 Nd7 10.d4+=) 7...b5–+ 8.Qc2 Nc6 9.a4 Bb4?? (better is 9...Nb4 10.Qb2 Bf5–+) 10.ab5+= Nce7? (10...Na5 11.ba6 Ra6 12.Bc4 Nc4 13.Ra6 Ba6 14.Qa4 Kf7 15.Qa6= (15.Qb4 Nb2 16.Qb2 Qd3–+)) 11.Bc4 (11.ba6!? Qd6 12.Bc4+–) 11...Bb7+/– 12.f3 (12.ba6 Bg2 13.Qa4 Nc6–+) 12...Kf8? (better is 12...a5+/–) 13.ba6+– Bc6 14.e4 Nc8?? (14...Ke8+–) 15.Bb3 Bb5+/– 16.Bc4 Bc6 17.Bg8 Rg8 18.Qc6 Ne7 19.Qb7 Bd6 20.Ba3 Ba3 21.Ra3 Qc8?? 22.Ne2 Qb7 23.ab7 Rb8 24.Ra8 Kf7 25.Rb8 Rb8 26.0–0 Rb7 27.Nbc3 g5 28.g4 Rb2 29.Rd1 Ng6 30.Kf2 Nh4 31.d4 h6 32.d5 Ke7 33.Ra1 Kf7 34.Ra7 Kg6 35.d6 Rb8 36.Nd5 Rd8 37.Ne7 Kf7 38.Nc6 Ke8 39.Re7 Kf8 40.Nd8 Ng6 41.Rh7 Ke8 42.Rh6 Nf8 43.Rf6 Nd7 44.Rf5 Kd8 45.Rg5 Nb8 46.Re5 Nd7 47.Ra5 Nb6 48.e5 Nc4 49.Ra8 Kd7 50.g5 Ne5 51.h4 Kd6 52.h5 Ke6 53.Re8 Kf5 54.Nd4 Kg5 55.Re5 Kf4 56.Rf5 1–0. maddoxdb – ardvark2345, gameknot.com, 2013. (=1.c3 d5 2.b4 e5 3.e3 f6)

3.e3 h5 4.a4 a6 5.a5 Bd7 6.Qb3 Be6 7.Qa4 c6 8.Nf3 f6 9.Nh4 Ne7 10.Na3 e4 11.d3? (better is 11.g3!?–/+) 11...g5–+ 12.g3 (better is 12.de4 de4 13.Qc2–+) 12...gh4 13.Nc2 h3 14.d4 (14.Nd4 Qd7–+) 14...Ng6 Black intends h4 15.Na3 Bd7 16.Qb3 b6 17.ab6 Qb6 18.Bd2 h4 19.Nc2 a5 20.Qa2 a4 21.Na3 Na6 22.Qc2 Ne7 23.Qb2 c5! 24.dc5 (24.bc5 Qb2 Pinning (24...Qb2 Deflection); 24.dc5 Nc5) 24...Nc5! 25.b5 (25.bc5 Qb2 Pinning (25...Qb2 Deflection)) 25...Ng6 26.Be2 Ne5 27.0–0 Bg7 28.c4 f5 29.Bc3 Qf6 (29...Ncd3 30.Qd2 hg3 31.fg3–+) 30.Qd2 (30.cd5 hg3 31.fg3 Nf3 32.Bf3 Qc3 33.Qc3 Bc3–+) 30...Ncd3 (better is 30...hg3 31.Qd5 gh2 32.Kh2–+) 31.Bd3 (31.Be5 Qe5 32.Bd3 ed3 33.Qd3–+) 31...Nf3 32.Kh1 Nd2 33.Bd2 ed3 34.Rab1 dc4 35.Nc4 Bb5! 36.Na3 Bc6 37.Kg1 Bf3 38.Nb5 Qc6 39.Rfc1 Qg6 40.Nc7 Kf7 41.Na8 Ba8 42.Rc7 Kg8 43.Rb8 Kh7 44.Rh8 Kh8 45.Rc8 Kh7 46.Ra8 Qc6 47.Ra7 Qg2 0–1. maddoxdb – chckm8r, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 h5)

3.e4 Nf6 4.ed5+= Nd5 5.h4 f6 6.Bb5 c6 7.Bc6?? (better is 7.Bf1–/+) 7...Nc6–+ 8.d3 (8.b5 Nce7–+) 8...Bd6 (better is 8...Ndb4!? 9.d4–+) 9.h5 0–0 10.Nh3 Bh3 (10...Be6 11.h6 g5 12.b5–+) 11.gh3 (11.Rh3 Rc8–+) 11...f5 12.a4 a5 13.f3 (13.Qb3 Nce7 14.h6–+) 13...Qh4 14.Ke2 Qh5 15.Ke1 (15.b5 e4 16.Kf2 Nce7–+) 15...ab4 16.cb4 (16.c4 Nc3 17.Nc3 bc3–+) 16...Bb4 17.Qd2 (17.Kf1–+) 17...Bd2 18.Bd2 Qf3 19.Rf1 Qd3 20.Nc3 Nc3 21.Rd1 Qe2 0–1. NUPE – Trebli, playchess.de, 2001. (=1.e4 d5 2.b4 e5 3.c3 Nf6)

3.f3 Nf6 4.g4? (4.d3 Bd6–/+) 4...a5?? (better is 4...Ng4 5.e4 Qh4 6.Ke2 Qf2 7.Kd3 Nh2–+) 5.Qa4–/+ Bd7 6.b5 Na6 7.Qb3 (7.ba6 Ba4 Pinning (7...Ba4 Deflection)) 7...Nc5 8.Qd1?? (better is 8.Qb2!?–/+) 8...Bb5 (8...Ng4 9.d4 Qh4 10.Kd2–+) 9.a4?? (9.e3 Bf1 10.Kf1 Nd3–+) 9...Ba6 10.Bb2?? b5 11.ab5?? Bb5 12.d4 a4?? 13.Na3?? c6 (13...c6 14.Nb5 Ng4 15.dc5 Qh4 16.Kd2 Qg5 17.e3 Ne3 18.Nc7 Kd7 19.Na8 Nd1 20.Kd1 Bc5 21.Ra4 Bg1 22.Bh3 f5–+) 0–1. georginoh (1715) – ringo (1790), net–chess.com, 2013.

3.Nf3 f6 4.g3 e4 5.Nd4 c5 6.bc5= Bc5 7.Bg2 Bd4 8.cd4 Nc6 9.Bb2 f5 10.e3 Nf6 11.0–0 0–0 12.Na3 Nb4=+ 13.Nc2 Nd3 14.Ba3 Rf7 15.Nb4 Nb4 16.Bb4 a5 17.Ba3 b5 18.d3 b4–/+ 19.Bb2 Ba6 20.a3 Bd3–+ 21.Re1 Ng4 22.ab4–/+ ab4 23.Ra8 Qa8 24.Qd2 b3 25.f3 Nh6 26.f4 Ng4 27.h3 Nh6 28.Ra1 Ra7 29.Qc1 Bc2 30.Ra7–/+ Qa7 31.Qd2 Qa2 32.Qc3 Qb1 33.Kh2= Kf7?? 34.Qc7+– Kg6 35.Qd6 Kh5 36.g4 fg4 37.Qe5 Kh4?? 38.Qg5# 1–0. pinecrest1981 – herb2004, Caissa.com, 2004.

3.Nf3 Nf6 4.d4 e4=+ 5.Ne5 Bd6 6.Bg5 0–0 7.e3 Re8 8.f4 Nbd7 9.Ng4 h6 10.Nh6 Kh7?? 11.Nf7+– Qe7 12.Nd6 Qd6 13.g3 g6 14.Bh3 Nh5 15.g4 Ng7 16.0–0 Ne6 17.Bh4 Rf8 18.Bg3 Qe7 19.f5 Ng5 20.fg6 Kg6 21.Bg2 Nf6 22.h4 Ne6 23.g5 Nh5 24.Be5 Nhg7 25.Nd2 Nf5 26.Ne4 Ne3?? 27.h5 Kh7 28.Nf6 Kh8 29.Nd5 (29…Ng7 30.Ne7 Rf1 31.Qf1 Nf1 32.Rf1+–) 1–0. Tricky.1 – boldeagle, ChessWorld.net, 2005.

3.g3 c6 4.Bg2 Nf6 5.Nf3 e4 6.Nd4 Be7 7.0–0 0–0 8.d3 Ng4 9.de4+= Nf6 10.ed5+/– Nd5 11.a3 Nd7 12.Qc2 g6 13.Bh6 Re8 14.c4 Ne5?? 15.cd5+– Bf5 16.Nf5 Qd7 17.Ne7 Qe7 18.dc6 Ng4 19.Bf4 b6 20.c7 (20...Rac8 21.Bb7+–) 1–0. guerino (2100) – scmorgan, net–chess.com, 2006.

3.g3 Nc6 4.Bg2 Nf6 5.a4 a5 6.b5 Na7 7.Nf3 Bd6 8.0–0 0–0 9.d3 c6 10.c4 Be6 11.Qc2 d4 (11...cb5!? 12.ab5 dc4 13.dc4 Qc7+=) 12.c5= Bb8 13.b6 Nc8 14.Na3 Qe7 15.Bd2 (15.e3 de3 16.Be3 Bd5=) 15...Nd5 (15...Nd7 16.Ng5+=) 16.Ng5 Nc3 (16...Nb4 17.Bb4 ab4 18.Ne6 fe6 19.Nb1=) 17.Bc3 dc3? (better is 17...Qg5 18.Bd2 Qe7=) 18.Ne6+– Qe6 19.Qc3 f5 (19...Qe7 20.Rad1+–) 20.Qc4 (20.Nc4 e4+–) 20...Qc4 21.Nc4 f4 (21...Ne7 22.Rfd1+–) 22.Bc6! bc6 23.b7 Ra7 24.bc8Q Rc8 25.Nb6 (25.Rab1 Bc7+–) 25...Re8 26.Rfd1 g5 27.d4 (27.Rab1!?+/–) 27...ed4+= 28.Rab1 (28.Rd4 Rae7 29.Ra2 Bc7+/–) 28...fg3 29.hg3 Re2 30.Rd4 Rf7 31.f4 (31.Rd8 Kg7=) 31...Be5 (31...Bc7 32.fg5 Re5 33.Rg4–/+) 32.fe5= Rff2 33.Re4 Rg2 34.Kf1 Rgf2 35.Kg1 Rg2 36.Kh1 Rh2 37.Kg1 ˝–˝. Ryszkowski,Radoslaw – Dombrowski,Marek, Indywidualne Mistrzostwa Tczewa Poland, 2007.

3.g3 d4 4.Bb2 Nf6 5.a3 Bf5 6.Bg2 Bd6?? (better is 6...Nc6=) 7.Bb7+/– (7.cd4?! e4+=) 7...Nbd7 8.Ba8 Be4?? (better is 8...Qa8 9.f3 c5+/–) 9.Be4+– Ne4 10.d3 Ng5 11.h4 Ne6 12.cd4 Nd4 13.Bd4 ed4 14.Qa4 0–0 15.Nf3 Nb6 16.Qa7 Qd7 17.Nd4 (better is 17.Qb7!? Ra8+–) 17...Ra8 (17...Be5 18.Qb7 Bd4 19.Ra2+–) 18.Qb7 Re8 (18...Bb4 19.ab4 Ra1 20.Qb8 Nc8 21.0–0+–) 19.Nd2 (better is 19.Nc6 Qe6 20.e4 Qf6+–) 19...Be5 20.N2f3 Bd4 21.Rc1 Qe6 22.Nd4 Qg4 23.0–0 Qd4 24.Rc7 Nd5 25.Rc8 Kf8 26.Re8 Ke8 27.Rc1 Ne7 28.Qb8 Kd7 29.Rc7 Ke6 30.Qb7 Nd5 31.Qc6 Ke5 32.Rd7 Qa1 33.Kh2 Qa2 34.Qd6 Kd4 35.Qc5 Ke5 36.f4 Kf5 37.Rd5 Kg6 38.Rd6 f6 39.h5 Kf7 40.Qc7 1–0. maddoxdb – spglenn, gameknot.com, 2011. (=1.c3 d5 2.b4 e5 3.g3 d4)

3.g3 Qf6 4.Bg2 e4 5.e3 Bd7 6.Ne2 Bb4! 7.Bb2 Bf8 8.0–0 Qh6 9.d3 Nf6 10.Nf4 c6 11.de4 Ne4 12.Nd2 Nd2–/+ 13.Qd2 Bd6 14.Nd3 0–0–/+ 15.Rac1 Be6 16.c4 dc4 17.Ne1 Be7 18.Nc2 Na6 19.Nd4 Bd5 20.Bd5 cd5 21.Nf5= Qe6 22.Ng7 Qg6 23.Qd4 Nc7?? 24.Nf5! Qf6?? 25.Qf6 Bf6+– 26.Bf6 h5 27.Rfd1 Kh7 28.Ne7 Rad8 29.Bh4 Rd7 30.Nf5 b5 31.Nd4 Kg6 32.Nf3 f6 33.Nd4 a6 34.Kg2 1–0. kostaspetidis (2105) – rodnel, net–chess.com, 2006.

3.g4 Bg4 4.f3?? (Better is 4.h3 Bf5 5.Nf3–+) 4...Qh4# 0–1. icecold – Caissa, Live Game Caissa's Web, 2004.

3.h3 a5 4.Qa4 Nc6 5.b5 Nce7 6.Nf3 e4 7.Ne5 Nf6 8.Qd1 (8.Ba3 Ng6 9.Bf8 Nf8=+) 8...Nd7 9.d4 Ne5 10.de5 Bd7 (10...Qd7 11.e3=) 11.a4 (11.e3 c6=+) 11...Nf5 12.g4 Nh6?? (Better is 12...Ne7=+) 13.Qd5+/– (13...Be6 14.Qd8 Rd8 15.Bg2+–) 1–0. Marre – KUSTAN, zagraj.pl, 2003.

3.h3 Bd7 4.Nf3 Bd6 5.d4 e4 6.Ne5 Nc6 7.Nd7= Qd7 8.a4 Nce7 9.Na3 a6 10.Rb1 Nf6 11.c4 Qf5?? 12.g4+– Qg6 13.c5 e3 14.cd6 ef2 15.Kf2 Ne4 16.Kg2 cd6? 17.Rb3 Nf5 18.Kh2+– Nh4 19.Qe1 Qf6 20.g5 Qd4? 21.Qh4 Qe5 22.Bf4 Qe6 23.Bg2 0–0 24.Nc2 d4 25.Nd4 Qe8 26.Re3 d5 27.Bd6! Nd6 28.Re8 Rfe8 29.Bd5 Rad8 30.e4 Rc8 31.Qf4 Re7 32.Qd6 (32...Rec7 33.Qb6+–) 1–0. pierre – hris, ChessHere.com, 2006.

3.h3 f5 4.d4 e4 5.Bf4 Nf6 6.e3 Bd6 7.Ne2 0–0 8.Nd2 c6 9.a3 Nh5 10.Bd6 Qd6 11.c4 f4 12.Qb3 fe3 13.Qe3 Nf4 14.Nf4 Qf4 15.Qf4 Rf4 16.Rb1 Nd7 17.a4 Nb6 18.a5 Nc4 19.Nc4 dc4 20.Bc4 Kf8 21.Ke2 Rf6 22.Ke3 Bf5 23.b5 cb5 24.Rb5 b6 25.Ra1 Bd7 26.Rd5+– Bc6? 27.ab6 Bd5 28.Bd5 Rb6 29.Ba8 a6 30.Be4 Ke7 31.Bh7 g5 32.Ra5 Kf6 33.Bd3 Re6 34.Kd2 Re7 35.Ra6 Kf7 36.Bf5 Rb7 37.Rg6 Rb5 38.Rg5 Kf6 39.h4 Rf5 40.Rf5 Kf5 41.g3 Ke4 42.h5 Kf5 43.h6 Kg6 44.g4 Kh6 45.d5 Kg5 46.f4! Kf4 47.d6 Kg4 48.d7 Kf5 49.d8Q Ke5 50.Qd7 Kf4 51.Qd5 Kg4 52.Qe5 Kf3 (52...Kh4 53.Ke3 Kg4 54.Qe6 Kh4 55.Qh6 Kg3 56.Qg7 Kh3 57.Kf3 Kh4 58.Qg4) 1–0. kamret (2170) – avet (1915), GameColony.com online, 2004.

3.h3 Nf6–/+ 4.d4 ed4 5.Qd4 Nc6 6.Qe3 Be6 7.Nf3 Bd6 8.b5 Ne7 9.Nd4 Bc8 10.Nd2 0–0–/+ 11.g3 a6 12.ba6 Ra6 13.Bg2 c5 14.Nb5=+ Nf5 15.Qd3 c4 16.Qb1 Bc5 17.e3 Re8 18.0–0 Qa5 19.a4 Nd6 20.Nd6 Bd6 21.Bb2 Bd7 22.Nf3 Ne4 23.Ba3 Rb6 24.Qc2 Nc3 25.Qd2 Ba3 26.Ra3=+ Rb3 27.Rb3 cb3 28.Rc1 Rc8–/+ 29.Kh2 Qc5 30.Nd4 Ne4 31.Nb3 Qc1! 32.Qc1 Rc1 33.Nc1 Ba4 34.Ne2 Kf8 35.f3 Nc5 36.Nc3 Bc6 37.Kg1 Na4 38.Na4 Ba4 39.Kf2 Ke7 40.Ke1 b5 41.Kd2 Kd6 42.Kc3 Kc5–+ 43.Kb2 d4 44.ed4 Kd4 45.f4 b4 46.f5 f6–+ 47.g4 Ke3 48.Bd5 0–1. pierre – khamin, ChessHere.com, 2006.

3.Na3 a5

4.Qa4!? Bd7 5.b5 –/+.

4.Nb1 ab4 5.cb4 Bb4 6.a3 Nc6 7.Ra2 Nf6 8.Rb2 Bc5 (8...Ba3?! 9.Ra2 Bc1 10.Ra8=) 9.e3 Ra5 10.Rc2 (10.Bb5 0–0–+) 10...0–0 11.d4 ed4 12.ed4 (12.Bd2 Bb6 13.Ba5 Ba5 14.Nd2 de3 15.fe3–+) 12...Nd4 13.Rd2 Bf5 (13...Re8 14.Be2 Ne2 15.Re2–+) 14.Bd3 (14.Rd4 Qe8 15.Be2 Bb1–+) 14...Re8 15.Be4 (15.Kf1–+) 15...Ne4 16.Rd4 Nc3 17.Be3 Nd1 18.Kd1 Bd4 19.Bd4 Bb1 20.h4 Qd7 21.Ne2 Qa4 22.Kc1 Qc2# 0–1. jackedupfarmer – Caissa, Live Game Caissa's Web, 2004.

4.Nb5? c6–+ 5.Na3 ab4 6.Nc2 bc3 7.dc3 Bc5 8.Nf3 e4 9.Ne5? (Better is 9.Nfd4–+) 9...f6 (10.Nd3 ed3 11.ed3 Ne7–+) 0–1. shrink – Caissa, Live Game Caissa's Web, 2004.

3.Na3 Nf6

4.Rb1 a5 5.Qa4 Bd7 6.b5 Bd6 7.Nf3 e4 8.Nd4 0–0 9.Qc2 c6 10.bc6 bc6 11.Nf5?? Bf5–+ 12.d3 ed3 13.ed3 Qe7 14.Be2 Ba3 15.Ba3 Qa3 16.0–0 Nbd7 17.Rb3 Qd6 18.g3 Rfe8 19.a4 Nc5 20.Rb6 Re2! 21.Qe2 Bd3 22.Qe3 Bf1 23.Kf1 Na4 24.Rb7 Ne4 25.f3 Nec3 26.Re7 c5 27.Re8 Re8 28.Qe8 Qf8 29.Qe5 d4 30.Ke1 Nb2 31.Kd2 Nc4 (32.Kd3 Ne5 33.Kd2 Nf3 34.Kc2 Qb8 35.Kd3 Qb5 36.Kc2 Qb1#) 0–1. Krahl,Wolfgang – Chua,Armstrong, IECC, 1999.

4.Qb3 c6 5.e3 Bd6 6.b5 e4 7.bc6 bc6 8.Qa4 Ng4 9.g3? Qf6–+ 10.f4?? ef3 11.Nh3 f2 12.Ke2 Ba6 13.d3 Qc3 14.Qg4 Qe1 15.Kf3 Qd1 16.Be2 Qh1 17.Kf2 Qh2 18.Kf3 Nd7 19.Rb1 Ne5 (20.Kf4 Ng4 21.Kg4 Qg3 22.Kh5 Qh3 23.Kg5 h6#) 0–1. Krahl,Wolfgang – Krasny,Henryk Jan, corr TKM, 1997.

4.d3 c5 5.bc5 Bc5 6.Nf3 Nc6 7.Qa4 (7.Nc2 0–0–/+) 7...0–0 8.e3 Bd7 9.Be2 (9.Qb3 e4 10.Nd2 b6–/+) 9...d4! 10.Bb2? (10.cd4 Qa5 Double attack (10...Qa5 Decoy); 10.ed4 Nd4 Decoy) 10...de3 (10...dc3 11.Bc3 Nd4 12.Qa5 Qa5 13.Ba5 Nf3 14.Bf3 Ba3 15.Rb1–+) 11.fe3 Be3 12.Bc1 Bb6 (better is 12...Ng4–+) 13.c4? (better is 13.Qh4–+) 13...Re8 (13...Nd4 14.Qd1 Ng4 15.Nd4 Bd4 16.Bg4 Bg4 17.Qg4 Ba1 18.Ke2–+) 14.Bb2 (14.Qb3 e4 15.de4 Ne4–+ (15...Re4?! 16.Kf1–+)) 14...Ba5 (14...Nd4 15.Qd1 Nf3 16.Bf3–+) 15.Nd2 (15.Kf1 Ng4 16.Qb3 Ne3 17.Kg1–+) 15...e4 16.de4 (16.Bf6 gf6 17.0–0 Bd2 18.de4–+) 16...Ne4 17.Bc1 (17.0–0 Nd2 18.Bh5 Nf1 19.Rf1 Qb6 20.Kh1–+) 17...Nd4 18.Rb1 Ba4 (18...Qf6 19.g3 Qf2 20.Kd1 Qe2) 19.0–0 Ne2 20.Kh1 Bd2 (20...N2g3 21.hg3 Ng3 22.Kg1 Ne2 23.Kf2 Qh4 24.Kf3 Nd4) 21.Re1 (21.Rb3 Qh4 22.g3 Bc6 23.Rbf3 N4g3 24.Kg2 Nf4 25.Kg1 Nh3 26.Kg2 Re2 27.R1f2 Rf2) 21…Nf2# 0–1. Woeller,Karle (1830) – Palmi,Herbert (2235), remoteschach.de, 2003.

4.d3 d4 5.Qa4 Qd7 6.b5 –/+.

4.e3 e4 5.Qb3 Nc6 6.b5 Na5 7.Qa4 b6 8.Nc2 Ng4 9.Be2 Nf2?? (better is 9...Ne5+=) 10.Kf2+/– Qh4 11.g3 Qf6 12.Kg2 h5 13.Nh3?? (better is 13.Qd4+–) 13...Qe6?? (better is 13...Bh3!? 14.Kh3 Qf2+=) 14.Ng5?? (14.Nf4!? Qf5 15.Ba3 Ba3 16.Na3 Bb7+–) 14...Qf5? (better is 14...Qe5 15.Nf7 Kf7 16.Rf1 Ke8=) 15.h4+– Bd6 16.Rf1?? Qg6?? 17.Qd4 0–0 18.Qd5 Bb7 19.Qd4?? c6?? 20.Ba3 Ba3 21.Na3 c5? 22.Qa4 Rfe8 23.Nc4 Nc4 24.Qc4 Red8 25.Rad1 a6 26.Rf4 ab5?! 27.Qb5 Ba6 28.Qb3 Be2–+ 29.Rb1 Bf3 30.Nf3 ef3 31.Kf3 Rd2 32.Rd1? Qc6–+ 33.e4 c4 34.Qb1 Rda2 35.Rc1? Ra1 36.Qc2?? R1a2 37.Qd1?? Rh2 38.Rc2 Qa4 39.Qd5= Rc2 40.Qf7 Kh8 41.Qh5 Kg8 42.Qf7 Kh8 43.Qh5 Kg8 44.Qf7 Kh8 45.Kg4?? Rg2 46.e5?? Qd1 47.Rf3 Rf2?? 48.Qh5= Kg8 49.Qf7 Kh8 50.Qh5 Kg8 51.Qf7 Kh8 52.Qh5 Kg8 53.Qf7 ˝–˝. maddoxdb – ragamundus3, gameknot.com, 2014. (=1.c3 d5 2.b4 e5 3.Na3 Nf6)

3.a4

3.a4 (--> 1.b4 d5 2.a4 e5 3.c3).

3.a4 Nf6 (--> 1.b4 Nf6 2.a4 e5 3.c3 d5).

3.Qa4 Qd7

4.b5 a6 5.g3 Qb5–+ 6.Qb5 ab5 7.Bg2 Nf6 8.Na3?? Ba3 (9.Ba3 Ra3–+; < 8...Ra3 9.Ba3 Ba3 10.Rb1–+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.Qd7 Nd7 5.Ba3 a5 6.b5 Ba3 7.Na3 Ngf6 8.c4 e4 9.f3 c6 10.bc6 bc6 11.h3 Rb8 12.d3 ed3 13.ed3 Rb2 14.g4 0–0 15.Be2 Re8 16.h4 Ne5 17.Kd1 dc4 18.Nc4 Nc4 19.dc4 Re3 20.a4 c5 21.h5 Bb7 22.g5 Ng4 23.Rh4 Bf3!! 24.Bf3 Nf2 25.Kc1 Nd3 26.Kd1 Re1 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

4.Qd7 Nd7 5.Ba3 a5 6.e3 ab4 7.Bb4 c5 8.Ba3 Bd6 9.d4 Ra5 10.g3 Ngf6 11.f3 0–0 12.Bh3 b6 13.Ne2 Re8 14.Nc1? ed4–+ 15.cd4?! Re3 16.Kf2 Raa3 17.Na3 Ra3 18.Rb1 cd4 19.Rb3 Ra4 20.Bf5 Ba6 21.Bd3 Nc5 22.Rb6 Bc7 23.Rc6 Nd3 24.Nd3 Ra2 25.Kg1 Bd3 26.h4 Ra7 27.g4 Ra1 28.Kg2 Ra2 29.Kh3 Bf1! 30.Rf1 Rh2 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

4.Qd7 Nd7 5.d4 ed4 6.cd4 Bb4 (7.Bd2 Be7–/+) 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

3.Qa4 Bd7

4.Qb3 d4 5.e4 dc3 6.Nc3 Nc6 7.Be2 Nd4 8.Qc4? (better is 8.Qb1 Bb4! 9.Bd3–/+) 8...Ne2 (better is 8...Nc2 9.Kd1 Na1–+) 9.Nge2+= a6 10.Ng3 (10.Qd5!? f6 11.Qb7=) 10...b5 11.Qd5 Bd6 12.Nce2 Ne7 13.Qb3 0–0 14.d4 ed4 15.Nd4 c5 16.Nde2 (16.bc5!? Bc5 17.Qc3+=) 16...c4 17.Qc3 Bg4 18.Nd4?? (18.Bb2 f6+=) 18...Qe8 (18...Be5 19.Bb2 Nc6 20.Nc6 Bc3 21.Bc3–+) 19.h3?? (19.0–0 Be5 20.Be3 Nc6+=) 19...Bd7 (better is 19...Nd5! 20.Qb2 Bb4 21.Kf1 Bc3–+) 20.Nge2 Ng6 21.Bg5 Qe4 22.Kd1? Qg2 23.Kc2 Qg5 24.Rag1 Qd5 25.h4 Qe4 26.Kb2 Nf4 27.Nc2 Qe2 28.Qg7 1–0. dumbroad – WirralBoy, ChessWorld.net, 2012.

4.Qb3 Nf6 5.d4 ed4 6.Bg5 h6–+ 7.Bf6 gf6 8.Qd5= Nc6 9.Nd2?? dc3–+ (10.Ne4 Nb4–+ (10...Bb4?! 11.a3 Ba5 12.0–0–0–+)) 0–1. civicracer – sgraindorge, net–chess.com, 2002.

3.Bb2 Nc6

4.e3=+ Nf6 5.Bb5 Bd6 6.a4 Bd7 7.Bc6 Bc6 8.f3 e4 9.f4 Qe7 10.g4 0–0–0 11.h4 h5 12.g5–/+ Ng4 13.Ne2 a6 14.Qb3 f5 15.Nd4 g6 16.b5+/– Bd7 17.ba6+– ba6 18.Ba3 c5 19.Nc2 c4?? 20.Qb6+/– (20…Be8 21.Qa6 Qb7 22.Qb7 Kb7 23.Bd6 Rd6 24.Nb4+/–) 1–0. mancroft – not Master, internet, 2007.

4.Nf3 e4 5.Nd4 Nd4 6.cd4 c6 7.e3 (7.Qb3!?–/+) 7...Bb4–+ (8.Qb3 Qe7–+) 0–1. rene822 – Caissa, Live Game Caissa's Web, 2004.

3.Bb2 d4

4.cd4= ed4 5.h3 (5.Nf3 Bb4 6.Qa4 Nc6 7.Nd4 Qf6+=) 5...Nf6 6.g4? (better is 6.Nf3!?=) 6...Bb4–/+ 7.f3? (7.g5 Nh5–/+) 7...d3! 8.ed3 (better is 8.Qa4!? Nc6 9.Qb5–+) 8...0–0–+ 9.h4 Nc6 10.h5 Nd4 11.a3 Qe7 12.Ne2?? (12.Be2 Bc5 13.h6–+) 12...Re8 (better is 12...Nf3 13.Kf2 Ng4 14.Kf3 Qc5–+) 13.Bd4+/– Nd5?? 14.g5 Qg5?? 15.f4?? Nf4 16.Rg1 Qh4 17.Bf2 Qh5 18.Be3 Qh4 19.Bf2 Nd3# 0–1. kevtheman – schmoid, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.Bb2 d4)

4.Nf3= Nc6 5.e3 Bg4 6.Be2 e4 7.h3?? ef3–+ 8.Bf3 Bf3 9.gf3 d3 10.0–0 Nf6 11.f4 Bd6 12.c4 Qd7 13.a3 Qh3 (14.f3 Qg3 15.Kh1 Be7–+) 0–1. luthier – vello01, Caissa.com, 2004.

3.Bb2 e4

4.e3 a6 5.h3 g6 6.Ne2 Nf6 7.c4 Bb4 8.a3 Ba5 9.c5 Nc6 10.Nf4 0–0 11.Qa4 Bd7 12.Be2 b5 13.Qb3 Be6 14.Qc2 Nd7 15.0–0 b4 16.ab4 Bb4 17.Ba6 Nc5 18.f3 Ra7 19.fe4 de4 20.Ne6 fe6 21.d4 Ra6 22.Ra6 Na6 23.Qc6 Qc8 24.Rf8 Bf8 25.Qe4 c5 26.d5 Bg7 27.Bg7 Kg7 28.Nc3 ed5 29.Nd5 Qb7 30.Qe5 Kf7 31.e4 Nb4 32.Qf6 Ke8 33.Qh8 Kd7 34.Nf6 Ke6 35.Nh7 c4 36.Qf6 Kd7 37.Qd4 Kc8 38.Qc4 Qc7 39.Qg8 Kb7 40.Qb3 Qb6 41.Kh2 Nc6 42.Qd5 Qd4 43.Qf7 Kb6 44.Qg6 Kc5 45.Nf6 Qd6 46.Kh1 Ne5 47.Qf5 Qe7 48.g4 Kd4 49.h4 1–0. willi_weizenkeim – fighters, playchess.de, 2002.

4.e3 Nf6 5.Nh3 Bd6 6.a4 a5 7.b5 Ng4 8.Qb3 Be6 9.Ba3 d4 10.c4? Ba3 11.Na3 Qf6 12.0–0–0 d3 13.b6 c6 14.Rg1 Nf2 15.Re1 Qa1 16.Qb1 Qa3 17.Qb2 Qb2 18.Kb2 Nh3 19.gh3 0–0 20.h4 Bc4 21.Bh3 Ra6 22.Kc3 Bd5 23.Rb1 f5 24.Rg5 g6 25.h5 Kg7 26.Kd4 Nd7 27.Rbg1 Rf6 28.Bf5 Nf8 29.Ke5 Rb6 (30.hg6 Ng6 31.Bg6 hg6–+) 0–1. athar – Seimi Agus Eion, ChessWorld.net, 2005.

3.Bb2 Bf5

4.a3 Nf6 5.e3 Bd6 6.Nf3 Nbd7 7.d3 Qe7 8.Be2 e4 9.Nbd2?? (better is 9.de4 Be4 10.Nbd2=) 9...ef3–+ 10.Nf3 Bg4 11.0–0 Bf3 12.Bf3 0–0–0 13.e4 (13.c4 dc4 14.dc4–+) 13...de4 14.de4 Ne5 15.Re1 Nf3 16.Qf3 h5?? 17.Qe3?? g5 18.Qa7 Rdg8?? 19.Qa8 Kd7 20.Qb7 h4?? 21.h3?? g4?? 22.c4 gh3= 23.Bf6?? Rg2–+ 24.Kf1 Qf6 25.Re2 Rhg8 26.Qb5–+ Ke7 27.Ke1 Rg1 28.Kd2–+ Bf4 29.Kd3 Rd8 30.Kc2 Qd4 (30...Qd4 31.Rg1 Qd3 32.Kb2 Qe2 33.Ka1 Rd1 34.Rd1 Qd1 35.Ka2 Qc2 36.Ka1 h2 37.Qc5 Ke8 38.Qc6 Kf8 39.Qc5 Kg8 40.Qg5 Bg5 41.f4 h1Q) 0–1. Fournier,Frederic – Guest3386618, Partie amicale, 1m + 0s, 2008.

4.e3 Bd6 5.c4 c6 6.a3 Nd7 7.Nf3 Qc7 8.Be2 Bg6 9.Nh4 f5 10.0–0 Ngf6 11.c5+= Be7 12.f4 e4 13.d3 0–0–0 14.g3 Rdg8 15.d4 Qd8 16.a4 Qe8 17.b5= Rf8 18.Nc3 Ng4 19.Nf5 Bf5 20.Bg4 h5 21.Bf5+= Rf5 22.bc6 bc6 23.Ne2 h4 24.a5 Nf6 25.Rb1 Ng4 26.Bc1 Qh5 27.Qb3 hg3 28.Qb7 Kd8 29.Qa8 Kd7= 30.Rb7 Ke6–/+ 31.Re7 Ke7 32.Qb7 Kf6 33.Qc6 Kf7 34.Qd7 Kg6 35.h3 Qh3 36.Qe6 Nf6 (37.Qf5 Kf5 38.Ng3 Qg3#) 0–1. Kracikova,Kristyna – Pokorny,Jan, Plzen FSB B, 2003.

4.Nf3 Bd6 =+.

3.Bb2 Nf6

4.Qa4 Bd7 5.Qc2 Bd6 6.f3 c5 7.h3 cb4 8.g4 bc3 9.Bc3 d4 10.Bb2 Na6 11.Bg2 Nb4 12.Qb3 Rc8 13.f4 Nc2 14.Kf1 Na1 15.Qb7 Nc2 16.Qa7 0–0 17.a3 e4 18.g5 Nh5 19.Be4 Ng3 20.Kg2 Ne4 21.Nf3 Bf4 22.Bd4 Nd4 23.Qd4 Bc6 24.Qd8 Rfd8 25.h4 Nd2 26.Nc3 Nf3 27.Kf2 Ng5 28.hg5 Bh1 29.Ne4 Be4 30.e3 Rc2 31.Kf1 Rd1# 0–1. nimzou (1730) – pushtiu (2370), net–chess.com, 2014. (=1.c3 e5 2.b4 d5 3.Bb2 Nf6)

4.d3 c5 5.b5 (5.Nf3 Nc6 6.b5 Qb6+=) 5...d4 (5...Qa5 6.Qd2–/+) 6.c4 e4 (6...Bd6 7.e3–/+) 7.Nd2 ed3 8.ed3 Bd6 9.Ngf3 Bg4 (9...0–0 10.Be2=+) 10.Be2=+ 0–0 (10...Bf5 11.0–0=+) 11.0–0 (11.Nd4 Qe7 12.Nc2 Re8+=) 11...Re8 (11...Bf5 12.Re1=+) 12.Re1 (12.Nd4 Be5 13.Bg4 Bd4 14.Bd4 Qd4 15.Bf3+/–) 12...Qc7 13.Nf1 Nbd7 14.h3 Bh5 15.Bc1 Re7 16.a4 Rae8 17.Ra2 (better is 17.Bd2–/+) 17...Bf3–+ 18.gf3 Nh5 19.Kg2 Bf4 20.Bd2? (better is 20.Nd2–+) 20...Bd2 21.Rd2 Nf4 22.Kh1 Nh3 23.Ng3 (23.Kg2 Nf4 24.Kg1–+) 23...Nf2 (24.Kg2 Nd1 25.Rdd1 Qa5–+) 0–1. Fritz,Marco – Schmidt,Jewgeniy, remoteschach.de, 2001.

4.d3 c5 5.bc5 Bc5 6.Ba3 Nbd7 7.Bc5=+ Nc5 8.e3 0–0 9.d4 ed4 10.cd4 Nce4 11.Bd3 Nf2 12.Kf2 Ng4 13.Ke1 Ne3 14.Qd2 Qh4 15.Qf2? Qd4–+ 16.Qd2 Ng2!! 17.Kd1 Bg4 18.Be2 Qa1 19.Bg4 Rae8 20.Nf3 Qb1 21.Qc1 Ne3 22.Kd2 Qa2 23.Kd3 Ng4 24.Rg1 Nf2 25.Kd4 Re4 26.Kc5 Qa5 27.Kd6 Rd8# 0–1. retard – pierre (2210), internet, 2007.

4.d4 e4 5.g3 b6 6.Bh3 Bh3 7.Nh3 Nc6 8.Qa4 Qd7 9.Qa6 Qh3 10.Qb7–/+ Qc8 11.Qc6+= Nd7? 12.Qd5+– Nf6 13.Qc6 Nd7 14.Qe4 Be7 15.b5 0–0?? 16.h4 Re8+/– 17.h5 Ba3 18.Qg4?? Bb2–+ 19.h6 g6 20.Nd2 Ba1 21.Nb1 Nf6 22.Qf3 Qe6 23.Kf1 a6 24.d5 Nd5 25.e4 Qe4 26.Qd1 Qh1 0–1. clemyp – dunkind, net–chess.com, 2003.

4.Nf3 Nbd7 5.g3 e4 6.Bg2? ef3–+ 7.Bf3 Bd6 8.d4 0–0 9.Nd2 Re8 10.e3 Nb6 11.Qe2 Bh3 12.0–0–0 Qd7 13.Nb3 Qa4 14.Na5 Qa2 15.Rd2 Bf5 16.e4 Ne4 17.Be4 Be4 18.Kd1 Na4 19.Ke1 Bh1 20.Qe8 Re8 21.Kd1 Qb1 22.Bc1 Nc3 0–1. Papa Lazarou II – marekt, ChessWorld.net, 2004.

4.g3 Bd6 5.Bg2 0–0 6.Nf3 e4 7.Nd4=+ a5 8.a3 Nc6 9.Nc6=+ bc6 10.0–0 Ng4 11.f4 ef3 12.ef3? Nh2!–+ 13.f4 Bg4 14.Qc2 Nf1 15.Bf1 Re8 16.d4 Re1 17.Ra2 Bh3 18.Nd2 Qe7 19.Qd3 Re3 20.Qc2 Rg3 21.Kh2 Qe3 (22.Nf3 Qf4 23.Bh3 Rf3 24.Kg1 Qe3 25.Kg2 Rg3 26.Kh1 Qg1; 21...Qh4 22.Nf3 Rf3 23.Qh7 Kh7 24.Bd3 Bf5 25.Kg1 Qg4 26.Kh2 Rh3) 0–1. savage13 – bicycle, ChessWorld.net, 2007.

4.h3 Bd6 5.d3 a5 6.ba5 Nc6 7.e3 0–0 8.Nf3 Ra5 9.Be2 e4 10.de4 de4 11.Nh2? (better is 11.Nd4–+) 11...Nd5 12.0–0 (12.Nd2 Ne3! 13.fe3 Bg3 14.Kf1 Qf6 15.Nhf3 ef3 16.Nf3 Re8–+) 12...Qg5 13.Bg4 (13.Nd2 Bh3 14.Ng4 Bg4 15.Bg4–+) 13...Ne3! 14.fe3 Qe3 15.Rf2 Bh2 16.Kf1 (16.Kh2 Qf2 17.Qe2 Qf4 18.g3 Bg4 19.hg4 Qh6 20.Kg2 Rd5–+) 16...Bg3 17.Re2 (17.Qe2 Bf2 18.Qf2 Qf2 19.Kf2 Bg4 20.hg4–+) 17...Qf4 18.Kg1 Bg4 19.hg4 Qh6 20.Re4 Qh2 21.Kf1 Qh1 22.Ke2 Qg2 23.Kd3 Rd8 24.Kc4 Qe4 (24...Rd1?? 25.Re8; 24...Qb2?? 25.Qd8 Nd8 26.Re8) 25.Kb3 (25.Qd4 Qe2 26.Kb3 Rb5 27.Qb4 Qd1 28.Ka3 Rb4 29.cb4 Ra8) 25...Qa4 0–1. lincolnxavi – pierred (2765), net–chess.com, 2014.

4.h3 e4 5.e3 Be7 6.a3 (6.Ne2 Nc6–/+) 6...0–0–+ 7.Ne2 Nbd7 8.d4 ed3! 9.Qd3 Ne5 10.Qc2 Ne4 11.Nd4? (11.Nd2 Bh4 12.Ne4–+) 11...Bh4 12.g3 Bg3! 13.fg3 Qg5 14.g4? (14.Qg2 Qe3 15.Kd1–+) 14...Qh4 15.Kd1 Ng4! 16.Qb3 (16.hg4 Nf2 Double attack (16...Qh1 Pinning; 16...Qh1 Deflection; 16...Qg3 Decoy)) 16...Ne3 17.Kc1 Qe1 18.Qd1 Qd1 0–1. lincolnxavi – pierred (2765), net–chess.com, 2014.

3.Qb3 a5

4.Ba3 ab4 5.Bb4 c5 6.Ba3 Nc6 7.e3 c4 8.Qb2 Ba3 9.Na3 e4 10.Nb5 Nf6 11.Nd4 Nd4 12.cd4 0–0 13.f3 Qa5 14.h3 ef3 15.Nf3 Re8 16.Kd1 (16.Ne5 Ne4 17.g4 f6–+) 16...Ne4 17.Rh2 b5 18.g4 f5 (18...b4 19.Rb1–+) 19.g5 g6 (19...f4 20.ef4 Rf8 21.Ne5–+) 20.h4 f4 21.Ne5 fe3 22.de3 Rf8 23.Kc2?? (Better is 23.Bg2 Bf5 24.h5–+) 23...Qa4 24.Kb1 Rf1 25.Qc1 Qb4 26.Rb2 Nd2 27.Kc2 Bf5 28.Nd3 cd3 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

4.ba5 Nf6 5.e3 Ra5 6.d4 Nbd7 7.f3 Bd6–/+ 8.Be2 0–0 9.Bb2 Re8 10.Nh3 Nb6 11.Nf2–/+ Nc4 12.Bc4 dc4 13.Qc4 Nd5 14.Qe2 Ne3! 15.Ne4 (15.Qe3 ed4) 0–1. perspective08 – pierre (2055), internet, 2006.

3.Qb3 Be6

4.Qa4 Qd7–/+ 5.Qd7 Bd7 6.e3 Nf6–/+ 7.a4 Be7 8.Bb5 0–0 9.Bd7 Nbd7 10.Nh3 a6 11.Ng5 h6 12.Nf3 e4 13.Ng1 Ne5–+ 14.Nh3 Nd3 15.Kd1 Ne5 16.Nf4 Neg4 17.Rf1 Nh2–+ 18.Re1 Nhg4 19.g3? Nf2 20.Ke2 N2g4 21.Rh1 c6 22.c4 dc4 23.Bb2 Bb4 24.Bf6 Nf6 25.Ra2 a5 26.d4 Rfe8 27.Rb2 b5 28.ab5 cb5 (29.Rc2 Rec8–+) 0–1. manofsteel2 – over10inches, Live Game Caissa's Web, 2005.

4.d4 e4 5.e3 a6 6.Ne2 h6 7.Nf4 Nf6 8.b5 a5 9.a4 b6 10.c4 g5 11.Nh3 (better is 11.Ne6!? fe6 12.Nc3+=) 11...Bb4 12.Bd2 Bd2 13.Nd2 Bh3 14.gh3 c6 15.bc6 Nc6 16.Qb5 Qc7?? (better is 16...Rc8+=) 17.cd5+– 0–0 18.Qc6 Qc6 (18...Qd8 19.Nc4 Re8 20.h4 Qd5 21.Qb6+– (worse is 21.Qf6 Re6 22.hg5 Rf6 23.gf6 Qc6+–)) 19.dc6 Rfc8 20.Bb5 Ra7 21.0–0 Kg7 22.Nc4 Rb8 23.Nd6 Rc7 24.f3 ef3 25.Rf3 Rd8 26.Nc4 Nd5 27.Ne5 f6 28.Nd7 Re8 29.Bc4 Ne3 30.Re1 (better is 30.Nf6 Ree7 31.Bb5 Nc2+–) 30...Rc6 31.Rfe3 (better is 31.Bb5 Rce6 32.Rf6 Rf6 33.Nf6+–) 31...Re3+/– 32.Re3 Rc4 33.Nb6 Rd4 34.Rg3 Rb4 35.Nd5 Ra4 36.Rf3 Ra1 37.Rf1 (better is 37.Kg2+=) 37...Rf1+= 38.Kf1 f5 39.Kf2 Kf7 40.Ne3 Ke6 41.Ke2 f4 42.Nc2 Kd5 43.h4 g4–/+ 44.Kd1 f3 45.Ne3+= Kc5 46.Ng4 a4? 47.Ne3?? Kb4= 48.Kc2 Ka3 49.Kb1 Kb3= 50.Nd1 a3 51.Ka1 Kc2 52.Ne3 Kd2 53.Ng4? h5–+ 54.Ne5 f2 55.Nf3 Ke3 56.Ng5 f1Q 57.Ka2 Qf2 58.Ka3–+ Qh4 59.Ne6 Qe7 60.Nc5 Qc5 61.Kb3 Kd3 62.h4 Qc4 63.Kb2 Qc3 64.Kb1 Qd2 65.Ka1 Kc3 66.Kb1 Qb2 0–1. maddoxdb – leonardo02, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.Qb3 Be6)

3.Qb3 Nf6

4.d4 ed4 5.cd4 Nc6 6.Nc3 (better is 6.Qe3!? Qe7 7.a3–/+) 6...Nd4–+ (worse is 6...Nb4 7.a3 Nc6 8.Nf3–/+) 7.Bg5?? (better is 7.Qd1 Ne6 8.a3–+) 7...Nb3 8.e3 (8.ab3 Bb4 9.Bd2–+) 8...Na1 0–1. georginoh (1715) – fleury (2330), net–chess.com, 2013.

4.e3 Nc6 5.Nf3 Be7 6.Bb5 0–0 7.h3 a5 8.Bc6 bc6 9.Ne5 Qd6 10.d4 Rb8 11.Nd2 ab4 12.cb4 Rb4 13.Qc3 c5 14.Ba3 Rb5 15.Bc5 Rc5 16.dc5 Qc5 17.Qc5 Bc5 18.0–0 Re8 19.Nef3 Bb4 20.Rab1 Ba5 21.Nb3 Bb6 22.Nfd4 Ne4 23.a4 Ba6 24.Rfc1 Bc4 25.Nc6?? Bb3?? 26.Rb3+– Ra8 27.Ra1 Nc5 28.Rb4 Nd3 29.Rg4 Nb2 30.a5 Bc5 31.a6 Nc4 32.Kf1 Nb6 33.Ra5 Bd6 34.Rd4 Kf8 35.e4 Re8 36.ed5 Nc4 37.Rc4 1–0. sundfar – thedarkegg, HCL–B2248 playchess.de, 2003.

4.e3 Be6 5.Qa4 Qd7 6.Qd7 Bd7 7.a4 a5 8.Bb5? (better is 8.b5!?+=) 8...c6 9.Be2 ab4 10.cb4 Bb4 11.Ba3? (better is 11.Bb2 e4 12.f3–+) 11...Ra4 12.Nf3 e4 13.Ne5 Be6 14.Bb2 Ra1 15.Ba1 b5 16.0–0 h5 17.Rc1 0–0 18.Nc6 Bd6 (better is 18...Rc8!? 19.Bf6 gf6 (19...Rc6?! 20.Rc6 Nc6 21.Bc3+=; 19...Nc6?! 20.Bb5 Na7 21.Rc8 Bc8 22.Bc3+=) 20.Bb5 Bd7–+) 19.Bb5 Nfd7 20.h4 Nf6 21.Bf6 gf6 22.Ba4 d4?? (22...Bd7 23.Nb8 Ba4 24.Nc6+=) 23.Nb8 (better is 23.Nd4!? f5 24.Bd1+/–) 23...Bb8 24.ed4 f5 (better is 24...Rd8!?=) 25.Nc3+/– Rc8 (better is 25...Kg7!? 26.d5 Bc8+/–) 26.Rb1+– Kg7 (better is 26...Bc4 27.Bd7 Rd8 28.Bf5 Bd3+–) 27.d5 e3 (27...Be5 28.de6 fe6 29.Rb7 Kf6+–) 28.fe3 f4 (28...Kf6 29.de6 fe6 30.Rb6+–) 29.de6 Bd6 (29...fe6 30.Bd7 Rf8 31.Be6 fe3 32.de3+–) 30.Nd5 (better is 30.Ne4!? Be7 31.Rb7 fe3 32.de3 Kf8+–) 30...fe6 31.Nf4 Ra8 32.Rb7 Kh6 33.Bc6 Ra2 34.Ne6 Bg3+– 35.Rf7 Rd2 36.Nf8 Rd1+– 37.Rf1 Rd6 38.Rf3 Bh4?? 39.Bb5+– Bg5 40.Rf7 Be3 41.Kf1 Rd2 42.Be2 h4 43.Rh7 Kg5 44.Rh5 Kf4 45.Rh4 Kg5 46.Rh5 Kf6 47.Rh3 Ba7 48.Rf3 Ke5 49.Ng6 Ke6 50.g4 Rc2 51.g5 Rc1 52.Kg2 Rg1 53.Kh2 Rg5 54.Nf8 Ke7 55.Bc4 Kd6 56.Rf6 Ke5 57.Rf7 Rg4 58.Bd3 Bd4 59.Ng6 Kd6 60.Rf4 Be5 61.Ne5 Rf4 62.Nc4 Kc5 63.Na5 Kd4 64.Ba6 Rg4 65.Nb3 Ke3= 66.Bb7 Kf2 67.Bc8 Rg2 68.Kh3 Rg3 69.Kh4 Rb3 70.Kg5 Rf3 71.Kg4 Rf8 72.Be6 Ke3 73.Bd5 Kd4 74.Bb7 Ke5 75.Kg3 Rf7 76.Ba8 Kd4 77.Kg4 Ke5 78.Kg3 Ra7 79.Bc6 Rg7 80.Kf3 Rc7 81.Ba8 Kf5 82.Ke3 Rd7 83.Ke2 Kf4 84.Bc6 Rc7 85.Ba8 Ke5 86.Kf3 Rc3 87.Ke2 Kd4 88.Kf2 Ra3 89.Bf3 Ra2 90.Kg3 Ke3 91.Bc6 Ra6 92.Bb5 Rg6 93.Kh2 Kf2 94.Kh3 Kf3 95.Kh4 Kf4 96.Kh3 Kf3 97.Kh2 Kf2 98.Kh3 Rg3 99.Kh2?? Rg5–+ 100.Bd7 Rh5 101.Bh3 Rh6 102.Kh1 Rh3 0–1. maddoxdb – blindstein, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.Qb3 Nf6)

4.g3 Be6 5.d4 ed4 6.cd4 Nc6 7.a3 Nd4–+ 8.Qa4 c6 9.Nc3? b5 10.Qd1 Bd6?? 11.Bg5?? 0–0?? 12.Qd4+/– Re8 13.Nf3 1–0. salaschess (1800) – nbarletta (1735), net–chess.com, 2001.

3.Qc2 a5

4.Ba3 ab4–/+ 5.cb4 Nc6 6.b5 Nd4–+ 7.Qc1? Ra3! 8.Na3 Ba3 9.Qa3 Nc2 (10.Kd1 Na3–+ (10...Na1?! 11.Qc3–/+)) 0–1. TomScot – Caissa, Caissa.com, 2004.

4.ba5 Nc6 5.Qa4 (5.a6 ba6 6.d3 Nf6–/+) 5...Ra5–/+ 6.Qb3 Nf6 7.g3 Ne4 (7...Bc5 8.Ba3–/+) 8.d3 Nc5 9.Qc2 Bf5 10.h4 h6 11.Bh3 Bh3 12.Nh3 Be7 13.d4 (Better is 13.Nd2!?–/+) 13...ed4–+ 14.cd4 Nd4 15.Qc3 (15.Qb2 Bf6 16.Qd2 Ndb3 17.ab3 Ra1–+ (17...Ba1? 18.Qa5 Bd4 19.e3+–)) 15...Ncb3! 16.ab3 (16.Qb3 Nb3) 16...Ra1 17.Qa1 Nc2 18.Kd2 Na1 19.Kc3 Bf6 20.Kb4 Qd6 21.Kb5 Qc6 22.Kb4 Nc2 23.Ka5 Qa6# 0–1. zouloumis – Caissa, Live Game Caissa's Web, 2004.

3.d3 c5

4.d4 cd4–/+ 5.cd4 Bb4 6.Nd2 ed4 7.Qa4 Nc6 8.Qb3 a5 9.Qa4 Bd7 10.Qb3 Nf6 11.h3? a4 12.Qg3 0–0 13.Rb1 Ne4 14.Qf3 Ne5 15.Qf4 Ng6 16.Qf3 Bd2 17.Bd2 Nd2 18.Kd2 Qa5 19.Kd1 a3 20.e4 Ba4 21.Ke2 Ne5 22.Qa3 Bb5 23.Kd1 Qa3 24.Bb5 Qa2 25.Rb4 Rfc8 26.Ke1 Rc1# 0–1. jimmyjazz – Shakkimestari, internet, 2007.

4.Nf3 Qc7 5.Nbd2 Bd6 6.Nb3 cb4–/+ 7.Bd2? Ne7?? 8.e3?? a5 9.e4? bc3–+ 10.Bg5 f6 11.Bh4 (11...c2 12.Qc1 Qc3 13.Qd2–+; 11.Be3 c2 12.Qc1 a4–+). Nexxus6 – willow27, ChessWorld.net, 2007.

3.d3 Bd6

4.d4 e4 5.Na3 c6 6.Rb1 Qe7 7.Nc2 Nf6 8.Bg5 h6 9.Bh4 g5 10.Bg3 Bg3 11.hg3 Ng4 (11...Be6 12.a4=+) 12.e3= Qf6 (12...Nf6!?=) 13.f3+= Ne3? (Better is 13...ef3 14.gf3 Qd6 15.fg4 Qg3 16.Kd2 Bg4+/–) 14.Ne3+– ef3 15.Nf3 0–0 16.Ne5 Nd7 17.N5g4 Qe7 18.Nh6 (18...Kg7 19.Nhf5 Kg8 20.Ne7 Kg7 21.N3f5 Kf6 22.Rh6#) 1–0. orane (2100) – forteress (1705), Live Game Caissa's Web, 2004.

4.Nf3 Nf6 5.g3 0–0 6.Bg5 h6 7.Be3 Ng4 8.Bd2 e4 9.de4 de4 10.Nh4 Qf6–+ 11.Be3 Ne3 12.fe3 Nc6 13.Bg2 g5 14.Rf1 Qe5 15.Qb3 gh4 16.Kd1 Be6 17.Qc2 f5 18.Nd2 Nb4! 19.Qb2 hg3 20.hg3 Rad8 21.Rf4 Qg7 22.Rf1 Be5 23.Qb4 Bc3 24.Qb1 Rd2 25.Kc1 Bb2 26.Kd2 Qc3 27.Kd1 Rd8 28.Qd3 ed3 29.ed3 Qd3 30.Ke1 Qe3# 0–1. Nexxus6 – marekt, ChessWorld.net, 2007.

4.Nf3 h6 5.e4= Nf6 6.Be2 0–0 7.0–0 de4 8.de4 Ne4 9.Nbd2? Bf5?? 10.Ne4–/+ Be4 11.Re1 Nc6 12.Nd2 Bf5 13.Nf3 e4 14.Nd4 Nd4 15.cd4 Bb4–+ 16.Rf1 Qf6 17.Be3 Bd6 18.Rb1 b6 19.Rb5 Qg6 20.Bh5 Qf6?? 21.d5?? Qe5 22.g3 a6 23.Rb1 Rad8 24.Re1 Bc5 25.Bc5 bc5 26.Be2 Rd5 27.Qc1 e3 28.f3? Bb1 29.Qb1 Rd2 30.Bd3 Rd8 31.Rd1 R8d3 32.Rd2 Rd2 33.Qb8 Kh7 34.Qb1 g6 35.Qb3 Qa1 36.Qb1 Qb1 0–1. pieeater – ureo, ChessWorld.net, 2005.

3.d3 Nf6

4.e3 Bd6–/+ 5.Bd2 Nc6 6.Be2 e4 7.d4 0–0 8.b5 Na5 9.Qa4 c6 10.bc6 Nc6 11.c4 dc4 12.Bc4 Bd7 13.Ne2 Nd4! 14.Qd1 Ne2 15.Qe2 Be5 16.Bb4?? Ba1 17.Bf8 Qf8 18.Bb5 Qb4 19.Kf1 Qb1 20.Qe1 Bb5 (21.Kg1 Qe1) 0–1. LAME WOLF – marekt, internet, 2005.

4.Be3 Nbd7 5.Qb3 c5 6.Nd2 Be7 7.0–0–0? a5 8.a4? ab4–+ 9.cb4 cb4 10.d4 Qc7 11.Kb1 Nb6 12.Rc1 Qd6 13.Ngf3?? e4 14.Ne5 0–0 15.g3 Bd7 16.Bg2 16...Ra4 17.Rhd1 Rfa8 18.Bf4 Qe6 19.Kb2 Ra3 20.Qc2 Ra2 21.Kb3 R8a3# 0–1. jimmyjazz – nicagui, internet, 2007.

4.Nf3 Bd6 5.e3 0–0 6.Nbd2 Re8 7.Be2 a5 8.0–0 ab4–+ 9.cb4 Bb4 10.Nb3 Bc3 11.Rb1 Ra2 12.Bd2 Bd2 13.Nbd2 c5 14.Qb3 Ra7 15.Rfc1 Qd6 16.h3 Bd7 17.Qc3 Na6 18.Ra1 Raa8 19.Qb2 b5 20.d4 ed4 21.Nf1 de3 22.Ng3 ef2 23.Kf2 c4 24.Qc2 b4 25.Ng5 Nc5 26.Ra8 Ra8 27.Nf3 b3 28.Qd2 Nce4 29.Ne4 Ne4 30.Ke1 Qg3 31.Kf1 Qf2# 0–1. Nexxus6 – michaelbuss, ChessWorld.net, 2007.

4.Nf3 Bd6 5.e3 Bg4 6.Be2 0–0 7.Nbd2 a5 8.ba5 Nc6 9.e4 de4 10.de4 Ne4?? 11.Ne4+– Ra5 12.Bd2 Be7 13.0–0 Rd5 14.h3 Bf3+/– 15.Bf3 f5 16.c4?? Rd4=+ 17.Ng3 e4–/+ 18.Bh5 Bc5 19.Rb1 Rd2–+ 20.Qb3 Nb4 21.a3? Nd3 22.Qc3 Nf2 23.Kh2 Qg5 24.Qe5 Bd6 25.Qe6 Kh8 26.Rb3 f4 27.Rb5 fg3 28.Kg1 Nh3! 29.Qh3 Qe3 30.Kh1 Rf1# 0–1. Nexxus6 – bicycle, ChessWorld.net, 2007.

4.Nf3 Bd6 5.Bg5 h6 6.Bf6 Qf6–/+ 7.Nbd2 a5 8.b5 Be6 9.e4=+ Qe7 10.ed5 Bd5 11.Ne4 0–0 12.Be2 Rd8 13.0–0 Ba3 14.Qc2 Nd7 15.c4 Be6 16.d4 f5 17.Ng3 e4 18.Nd2 Nf6 19.d5 Bd7 20.Qc3 f4=+ 21.Nh5 Nh5 22.Bh5 Bb4 23.Qd4 Qg5 24.a3 Bh3 25.Qe4 Bd2 26.Bg6 Rd7 27.Ra2 Re7 28.Qf3 Bg4 29.Qb3 f3 30.g3 Bh3 31.Rfa1 Qg6 32.Rd2 Rae8 33.Rdd1 Re2 34.d6 Qd6! 35.c5 Qe6 36.Qe6 R8e6 37.Rac1 Rb2 38.Rb1 Ree2 39.Rb2 Rb2 40.c6 Rb5 41.a4 Rb4 42.cb7 Rb7 43.Ra1 Bf5 44.Kf1 Rb1 45.Rb1 Bb1 (46.Ke1 Bc2–+) 0–1. Sargon,V – Super Forte B, 4/92–43 Niggemann, 1992.

4.Bg5 c5 5.b5 c4 6.d4 ed4 7.Qd4 Be7 8.Nf3 0–0 9.e3 Qa5 10.a4 a6 11.ba6 Nc6 12.Qd1 ba6 13.Qc2 Bg4 14.Nbd2 Bh5 15.Be2 Rab8 16.0–0 Bg6 17.Qc1 Ne4 18.Ne4 de4–/+ 19.Be7 ef3 20.Bb4 fe2 21.Ba5 ef1R 22.Kf1 Na5 23.Qa3 Rb3 24.Qc5 Bd3 25.Ke1 Rb2 26.Qh5 g6 27.Qf3 Nb3 28.Rd1 Bc2 29.Qe2 Rb8 30.Qc4 Bd1 31.Qc7 Re8 32.Kd1 Rf2 33.Qb6 Rb2 34.c4 Re4 35.a5 Kg7 36.Qd6 Re3 37.g4 Ree2 38.h3 Rbd2 39.Qd2 Rd2 40.Ke1 Rh2 0–1. Wessel,Kai – Boxberg,Marc, remoteschach.de, 2003.

4.Bg5 c5 5.b5 h6 6.Bf6 Qf6 7.e4 =+.

4.Bg5 c5 5.bc5 Bc5 6.Nf3 h6 7.Bh4 Nc6 8.Ne5 Ne5 9.d4 Bd6 10.de5 Be5 11.e3 0–0 12.Bd3 Qc7 13.Bf6 Bf6 14.0–0 Bc3 15.Nc3 Qc3 16.Rc1 Qe5 17.Qf3 Be6 18.Rfd1 Rac8 19.a4 b6 20.Bc2?? Qb2–+ 21.Qe2 Bf5!! 22.Bf5 Rc1 23.Qf1 Rc5 24.Qd3 g6 25.Bg4 Qf6 26.Bd7 Rd8 27.Bg4 Qc6 28.Qb3 Qe8 29.Bf3 Qd7 30.Be4?? f5 31.Bf3 Qc6 32.Rd2 Rc1 33.Rd1 Kh7 34.Qd3 Qc4 35.Qd2 Rc2 36.Qe1 Qa4 37.Rd5 Rd5 38.Bd5 Qg4 39.Qb1 Qe2 40.Qf1 Qd2 41.Bb3 Rc1 42.Bd1 Rd1 43.h3 a5 44.h4 0–1. Fritz 6 – Crafty 19.01, 2004.

4.Bg5 Be7 5.Nf3 e4 6.de4= de4 7.Qd8 Bd8 8.Nfd2 h6 9.Bf6+= Bf6 10.Ne4 Bf5 11.Nf6+– gf6 12.Nd2 0–0 13.g4 Be6 14.e4 Nd7 15.f4 Nb6 16.Be2 Bd7 17.Rg1 Rae8 18.c4 Na4 19.Rg3 Kh8 20.0–0–0 Rg8 21.Ra3 Nb6 22.Ra7 Bg4 23.Bg4 Rg4 24.Rb7 Reg8 25.Rc7 Rg2 26.Rf7 Rh2 27.Rf6 Rgg2 28.Rb6 Kg7 29.c5 (29...Kf7 30.a4+–) 1–0. orane (2105) – BlottoOtto, Live Game Caissa's Web, 2004.

4.Bg5 Be7 5.Nf3 h6 6.Bh4 0–0 7.Ne5 g5 8.Bg3+= Nh5 9.e3+/– Ng3 10.fg3 Qd6 11.d4 b6 12.Qh5 Nc6 13.Ng4 Kh7 14.Bd3+/– f5 15.0–0 Bd7 16.b5 Be8 17.Qh3+– Nd8 18.Bf5 Bg6?? 19.Qh6 Kg8 20.Bg6 Rf1 21.Kf1 Bf6 22.Bh5 Bg7 23.Qd6 cd6 24.a4 Ne6 25.Na3 a6 26.ba6 Ra6 27.Nb5 Bf8 28.Nf6 Kg7 29.Nd5 Kh6 30.Be2 Ra7 31.Nb6 Rf7 32.Kg1 Ng7 33.g4 Rb7 34.Nc4 d5 35.Ncd6 Re7 36.Kf2 Ne6 37.Nf5 (37...Kg6 38.Ne7 Be7 39.Bf3+–) 1–0. rodnel – gdraper (2035), net–chess.com, 2006.

4.Bg5 Be7 5.g3 h6 6.Bd2 0–0 7.Bg2 Be6 8.Nf3=+ e4 9.Nd4 ed3 10.ed3 Bg4 11.Nf3 Re8 12.0–0=+ c5 13.bc5 Bc5 14.Bf4 Nbd7 15.Nbd2 Ne5?? 16.Be5+– Re5 17.d4 Bd4 18.cd4 Re7 19.Qa4 a6 20.Ne5 Be6 21.Rfc1 b5 22.Qd1 Rc7 23.Nb3 Ne4 24.Rc7 Qc7 25.Qd3 f6 26.Nf3 Qc3 27.Qc3 Nc3 28.Nfd2 a5 29.Nc5 Bf7 30.Ndb3 a4 31.Nd2 Ne2+/– 32.Kf1 Nd4 33.Nf3 Nc2 34.Rc1+– Nb4 35.a3 Nc6 36.Nd3 Ne5? 37.Nfe5 fe5 38.Ne5 Be6 39.Ke2 Re8 40.Kd3 Rf8 41.f4 g5 42.Rf1 g4 43.Kd4 Rd8 44.Rc1 Rb8 45.Bd5 Rd8 46.Rc5 b4 47.Nc4 b3 48.Nb2 Kg7 49.Ke4 Bd5 50.Rd5 Re8 51.Re5 Rc8 52.Kd3 Rc2 53.Re2 Rc7 54.Na4 Kf6 55.Nb2 Ra7 56.a4 Rb7 57.Re4 h5 58.Kc3 Rd7 59.Re2 Rb7 60.Re4 Rb8?? 61.Rb4 Re8 62.Kb3 Re2 63.a5 Re3 64.Kc4 Re4 65.Kc3 Re3 66.Nd3 Re7 67.a6 Ke6 68.Rb7 Re8 69.a7 Ra8 70.Kc4 Kd6 71.Kb5 Kd5 72.Kb6 Kd6 73.Rb8 (73…Ra7 74.Ka7+–) 1–0. guerino (2100) – gdraper (2035), net–chess.com, 2006.

4.Bg5 h6 5.Bf6 Qf6 6.e3 Bd6 7.Qf3 Qe7 8.Qd5= 0–0 9.Nd2 c6 10.Qb3 Be6 11.Qb2 Nd7 12.Be2 f5 13.e4 f4 14.Bf3 g5 15.h3+= Nf6 16.g4 fg3= 17.fg3 a5 18.a3 ab4 19.ab4+= Ra1 20.Qa1 Kh7 21.g4 Qc7 22.Ne2 Qb6 23.d4 ed4 24.Nd4 Bg8 25.0–0 Bf4 26.Rd1 Rd8 27.Kg2 Re8 28.Qb1 Be5 29.N2b3 Qc7 30.Nc5 b6 31.Nd3 Bf7 32.Ne5 Re5 33.Nf5 Ne4?? 34.Be4+– Re4 35.Qe4 Bd5 36.Rd5 cd5 37.Qe7 Qe7 38.Ne7 (38…Kg7 39.Nd5+–) 1–0. Grzywna,Stanislaw – NN, ZDK–Sarzyna, 1985.

4.Bg5 h6 5.Bf6 Qf6 6.g3 Bd6 7.a4 0–0 8.b5 Bc5 9.f3 Re8 10.Bg2 c6 11.bc6 Nc6 12.Qd2 d4 13.c4?? Bb4 14.e4 Bd2 15.Nd2 Nb4 16.Rb1 Nc2 17.Ke2 Qa6 18.Bh3 Bh3 19.Nh3 Qa4 20.Rhc1 Nb4 21.Nf2 Na2 22.Ng4 Nc1 23.Rc1 Rac8 24.c5 b6 25.Rc4 Qa3 26.Nb1 Qa2 27.Nd2 bc5 28.Nf2 a5 29.Nd1 a4 30.g4 f6 31.h4 a3 32.Ra4 Ra8 33.Ra8 Ra8 34.g5 fg5 35.hg5 hg5 36.Nf2 Qf7 (37.Ng4 a2–+; 36...Qc2 37.f4 a2 38.f5–+) 0–1. gengar – andre2004, ChessWorld.net, 2005.

3.d4 Nc6

4.b5+= ed4? 5.bc6+– dc3 6.cb7 Bb7 7.Nc3 Nf6 8.Rb1 Rb8 (8...Bc6 9.Nf3+–) 9.Qa4 c6 (9...Nd7 10.Be3 Ba8 11.Rb8 (11.Qa7?! Bb4 12.Rc1 c5+–) 11...Qb8 12.Qa7 Qa7 13.Ba7+–) 10.Bf4 (< 10.Qa7 Qc7+–) 10...Bd6 11.Rb7! Rb7 12.Qc6 Rd7 13.Bd6 Qa5 14.e3 Ne4 15.Be5 Nc3 16.Bc3 Qa2 17.Qc8 Ke7 18.Bb4 Ke6 19.Qc6 Ke5 20.Bc3 d4 21.Nf3 Kf5 22.Bd3 Kg4 23.Qe4 Kh5 24.Qh4# 1–0. guest2458 – guest403, ICC, 2003.

4.b5+= Nce7 5.de5 c6+=.

4.b5+= Nce7 5.de5 Nf5 6.Nf3 a6 7.ba6+/– Ra6? (Better is 7...b6!?+/–) 8.e4!+– Nh4 (8...de4 9.Qd8) 9.Nh4 Qh4 10.Ba6 ba6 11.Qd5 Be6 12.Qa8 Ke7 13.Ba3 Kd7 14.Bf8 Ne7 15.0–0 Nc6 16.Rd1 Bd5 17.Rd5 Ke6 18.Qc6# 1–0. guest488 – guest214, ICC, 2003.

4.e3 a6 5.a4 Nf6–/+ 6.b5 ab5 7.Bb5 Bd7 8.Bc6 Bc6 9.Nf3 ed4 10.cd4 Bb5 11.ab5? Ra1–+ 12.Bb2 Bb4 13.Nfd2 Bd2 14.Kd2 Ne4 15.Ke1 Ra5 16.Bc3 Ra2 17.Nd2 Nc3 18.Qb3 Ra1 19.Nb1 Rb1 20.Qb1 Nb1 21.Ke2 Nc3 22.Kd3 Nb5 23.Rb1 Qf6 24.Rb5 Qa6 (25.Ke2 Qb5 26.Kf3 h5 27.g3 Qf1 28.e4 de4 29.Kf4 Qf2 30.Ke4 Qe2 31.Kf4 g5 32.Kf5 Rg8 33.d5 Qd3 34.Ke5 Ke7 35.g4 f6#) 0–1. juancabeta – pierre (1920), internet, 2006.

4.e3 Be6 5.Bb2 ed4 6.cd4 Bb4–/+ 7.Nc3 Nf6 8.a3 Ba5 9.Nf3 Ne4 10.Bd3?? Nc3–+ 11.Bc3 Bc3 12.Ke2 Ba1 13.Qa1 h6 14.Re1 Qd7 15.Kf1 0–0 16.e4 Na5 17.e5 a6 18.Qb1 b5 19.Bh7 Kh8 20.Nh4 Nc4 21.f4 Nd2 (22.Kg1 Nb1 23.Bb1 Qe7–+) 0–1. blammey – pokerpig (2160), net–chess.com, 2006.

4.Nf3 e4 5.Nfd2 e3 6.fe3=+ Bf5 7.Nf3 Nf6 8.Nbd2 Ng4 9.h3?? Ne3–+ 10.Qb3 Nc2 11.Kf2 Na1 12.Qb2 Nc2 13.e3 Qe7 14.Bb5 Qe3 15.Kg3 Bd6 16.Kh4 Qh6# 0–1. chessteacher 43 – marekt, ChessWorld.net TNo. #12353, 2004.

4.g3 ed4=+ 5.cd4 Bb4–/+ 6.Bd2 Qe7 7.a3 Qe4–+ 8.Nf3 Nd4 9.Nd4 Bd2 10.Qd2 Qh1 11.Nf3? Bh3 12.Qe3 Ne7 13.Nbd2 Be6 14.Rb1 b6 15.Qg5 Ng6 16.e3 Rd8 17.Ke2 c5 18.Bh3 Qb1 19.Nb1 Bh3 20.g4 0–0 21.Ng1 Bg2 22.f3 Rde8 23.Kf2 Re5 24.Qe5 Ne5 25.Kg2 b5 26.Ne2 a5 27.Nbc3 b4 28.ab4 ab4 29.Nd5 b3 30.Nec3 Ra8 31.Kg3 Ra1 (32.Kf4 Ng6 33.Ke4 b2–+) 0–1. hris – Fabbri (1725), internet, 2005.

4.b5+= Na5 5.de5 Be7

6.Nf3 a6 7.ba6+/– ba6 8.Qa4 c6 9.e4 de4 10.Qe4 Bc5 11.Ba3 Ba3 12.Na3 Nh6 13.Rd1 Qc7 14.Nc4 0–0 15.Nd6+– Bg4 16.Ng5 g6 17.f3 Qe7 18.Nh7 Kh7 19.fg4 Qh4 20.g3 Qe7 21.h4 Kg7 22.h5 Qe6 23.g5 Nf5 24.Qf4 Nd6 25.Rd6 Qa2 26.Qf6 Kg8 27.hg6 Qb1 28.Kf2 Qf5 29.Qf5 f6 30.Rh8! Kg7 31.Rh7 Kg8 32.Qe6 Rf7 33.Qf7 1–0. Fritz 5.32 – Crafty 19.01, 2005.

6.Nf3 a6 7.ba6+/– ba6 8.Qa4 c6 9.e4 de4 10.Qe4 g6 11.Nbd2 Be6 12.Qa4 Qd5 13.c4 Qd8 14.Bb2 Qb6 15.Rb1 Qb4 16.Qb4 Bb4 17.a3 Bd2 18.Nd2 Bf5 19.Rd1 Rb8 20.Bc3 Nb3 21.Nf3 Ne7 22.Be2 Bc2 23.Rd6 Nc5 24.Nd2 Na4 25.Ba1 0–0 26.0–0 Nc5 27.Bc3 Rfd8 28.Bf3 Bf5 29.Ra1 Nd3 30.Rd1 Nf4 31.Ne4 Rdc8? 32.Nf6 Kf8 33.e6! fe6 34.Nd7 Kf7 35.Nb8 Rb8 36.Be5 g5 37.Rd7 Rc8 38.Ra7 g4 39.Bf4 gf3 40.Rdd7 Re8 41.Bd6 fg2 1–0. Fritz 5.32 – Crafty 19.01, 2005.

6.Nf3 a6 7.ba6+/– ba6 8.Qa4 c6 9.e4 de4 10.Qe4 g6 11.Nbd2 Be6 12.Qa4 Qd5 13.c4 Qd8 14.Bb2 Qb6 15.Rb1 Qb4 16.Qb4 Bb4 17.a3 Bd2 18.Nd2 Bf5 19.Rd1 Ne7 20.Bc3 Nb7 21.Nf3 0–0 22.Be2 Rfd8 23.0–0 Bc2 24.Rd8 Rd8 25.Nd4 Be4 26.f3 Nf5 27.Rd1+– c5 28.Nf5 Rd1 29.Bd1 Bf5 30.Ba4 Bd3 31.Bc6 Nd8 32.Bd5 Ne6 33.Kf2 Nc7 34.Ke3 Bf1 35.g4 Nd5 36.cd5 Kf8 37.g5 Bb5 38.Ba5+/– Ke7 39.Bb6+– c4 40.Kd4 Ke8 41.Kc3 Ke7 42.Kb4+– Ke8 43.Bd4 Kd8 44.a4 Bd7 45.Bc3 Ke7 46.Bb2 Kd8 47.Ba1 Ke8 48.a5 Bb5 49.Bc3 Kd7 50.Bb2 Ke8 51.h3 c3 52.Bc3 Bf1 53.Kc5 Kd7 54.h4 Bd3 55.Kd4 Bc2 56.Bb4 Bd1 57.f4 Be2 58.Bf8 Bg4 59.Ba3 Be2 60.Ke3 Bg4 61.Bf8 Bf5 62.Bc5 Bg4 63.Bb4 Kc7 64.Be7 Kd7 65.Bf6 Bf5 66.Kd4 Bg4 67.Bg7 Be2 68.Kc5 Bd1 69.Bf6 Bf3 70.Bh8 Be2 71.Kb6 Bc4 72.d6 Bd3 73.Bf6 Bf1 74.Kc5 Be2 75.Be7 Bd1 76.Kb6 Be2 77.Bf8 Bf1 78.Kc5 Bb5 79.Bg7 Bd3 80.Bh8 Bb5 81.Kd4 Ke6 82.Bf6 Be2 83.Bg7 Kd7 84.Ke4 Bg4 85.Kd5 Be2 86.Bf6 Bf3 87.Kc4 Be2 88.Kc5 Bh5 89.Kd4 Bd1 90.Kd3 Bf3 91.Be7 Bd1 92.Ke3 Bg4 93.Bf6 Bd1 94.Bh8 Bg4 95.Bg7 Kc6 96.Kd4 Kb5 97.Bf6 Kb4 98.Bd8 Kb5 99.Be7 Bd7 100.Bf6 Bf5 101.Bh8 Be6 102.f5 Bf5 103.Bg7 Bg4 104.Bf6 Ka5 105.Kc5+– Bd7 106.Bd8 Ka4 107.Kb6 Kb3 108.Bf6 Bb5 109.Kc7 Kc4 110.d7 Bd7 111.Kd7 a5 112.Ke7 Kd5 1–0. Fritz 5.32 – Crafty 19.01, 2005.

6.Nf3 c5 7.bc6 Nc6 8.Ba3 Bg4 9.Qb3 b6 10.Qa4 Bd7 11.Qa6 Qc7= 12.Bd6 Bd6 13.ed6 Qd6 14.Na3?? Nb8–+ 15.Nb5 Qc5 16.Qb7 Bb5 17.Rd1 Qc3 18.Rd2 Ba4 19.e4 Qc1 20.Ke2 Bc6 21.Qc8 Ke7 22.Qc7 Nd7 23.Nd4 Rc8?? 24.Nf5 Kf6 25.Qd6 Kg5 26.f4 Kh5 27.g4! Kg4 28.Rg1 Kh5 29.Rg5 1–0. Comet B25 – Fritz 5.32, 2004.

6.Nf3 c6 7.e3 Nh6 8.Ba3 0–0 9.Be2 Bg4 10.Bb4 Qc7 11.Be7 Qe7 12.Qa4 Qc7 13.0–0 Bf3 14.gf3 a6 15.bc6 Nc6 16.f4 f6 17.ef6 Rf6 18.Bf3 Ne7 19.Qd4 Nhf5 20.Bd5 Kh8 21.Qe4 Nd6 22.Qf3 Nd5 23.Qd5 Rd8 24.Rd1 b6 25.Rd2 Qe7 26.Rd4 Rh6 27.Nd2 Rf8 28.Rd3 Qh4 29.Nf1+– Qh3 30.Rad1 b5 31.Qc5 Qc8 32.Qc8 Nc8 33.Ng3 Kg8 34.Ne4 Rg6 35.Kf1 Rc6 36.Ke2 Nb6 37.Rd6 Rfc8 38.h4 Na4 39.Rc6 Rc6 40.Rd3 Kf8 41.h5 Ke7 42.f5 Nb2 43.Rd5+– Na4 44.Re5 Kf8 45.Kd2 Nb6 46.Re6 Re6 47.fe6 Ke7 48.Nc5 a5 49.f4 Nd5 50.f5 Nf6 51.h6 g5 52.fg6 hg6 53.e4 a4 54.e5 Nh7 55.Ke3 Nf8 56.Nd7! Nh7 57.Nf6! Nf8 58.h7 Nh7 59.Nh7 Ke6 60.Kd4 Ke7 61.Kd5 g5 1–0. Fritz 5.32 – Fritz 8, 2005.

6.Nf3 Be6 7.e3 c5 8.Nbd2 Qb6 9.Bd3 Rd8 10.0–0 Nc4 11.Rb1 Nd2= 12.Bd2 Bg4 13.h3 Be6 14.Qc2 h6 15.Qa4 c4 16.Bc2+/– Bc5 17.Nd4 Ne7 18.f4 Bd7 19.f5 0–0 20.f6 Ng6= 21.Bg6 fg6 22.Qc2 Kh7= 23.a4 gf6 24.a5 Qa5–/+ 25.Rf6 Rf6 26.ef6 Rf8 27.Rf1 Qd8 28.f7 Qe7 29.h4 Qh4 30.Qd1 Bd6 31.Nf3 Qh5 32.Qa4 g5 33.Qa7? g4 34.Qb7 gf3 35.Rf3 Bh2 36.Kf2 Bg4 37.Rf4 Qh4 38.Kf1 Bg3 39.Rf3 Bf3 40.gf3 Qh2 41.Be1 Qh1 42.Ke2 Qe1# 0–1. Crafty 19.01 – Fritz 5.32, 2005.

6.Nf3 Be6 7.Nbd2 c6 8.e4 de4+= 9.Nd4 e3 10.fe3 Qd5 11.N2f3 Bd7

12.Qa4 Bd8 13.bc6 Bc6 14.Nc6 Nc6 15.Bc4 Qa5 16.Qb3+– Qc7

17.0–0 Nh6 18.e6 0–0 19.Nd4 Na5+/– 20.ef7 Nf7 21.Bf7 Rf7 22.Rf7 Qf7 23.Qf7 Kf7

24.Ba3 Nc4+= 25.Rf1 Bf6 26.Bc1 Re8 27.Kf2 a6= 28.a4 Re5 29.Ke2 Ra5 30.g4 Ke8 31.e4 Ra4 32.Bf4 Ra2 33.Kd3= b5 34.e5 Bh4 35.e6 Be7 36.g5= g6 37.h3 Bc5 38.Ke4 Bd4 39.Kd4 Re2 40.Ra1 Re6 41.Kd5 Ke7 42.Kd4 Rc6 43.Re1 Kd7 44.Ra1 Ke6 45.Re1 Kf7 46.Rf1 Re6 47.Bd6 Kg8 48.Bc5 Re8 49.Rf6 Rd8 50.Ke4 a5 51.Re6 Ra8 52.Re7 a4 53.Bd4 a3 54.Rg7 Kf8 55.Rh7 Ra4 56.Rd7?? a2–+ 57.Bc5 Ke8 58.Rd1 Nb2 59.Bd4 0–1. Fritz 6 – Fritz 8, 2005.

24.Rb1 Bb6 25.Ba3 Nc4+= 26.Rf1 Kg6 27.Bc1 Re8 28.Kf2 Ba5 29.Nb5 a6 30.Na3 Ne5 31.c4?? Rf8–+ 32.Ke2 Rf1 33.Kf1 Nd3 34.c5? Nc1 35.Nc4 Bb4 36.Nd6 b6! 37.a4 Bc5 38.Nc4 b5 39.Nb2 Be3 40.ab5 ab5 41.Ke1 Bd4 42.Nd1 Nb3 43.Ke2 Nc5 44.Ne3 b4 45.Nc2 b3 46.Nd4 b2 47.Ne6 Ne6 48.Ke3 b1Q 49.h3 0–1. Fritz 5.32 – Fritz 8, 2005.

24.Rb1 Bb6 25.Bd2 Nc4 26.Rf1 Kg8 27.Bc1 Re8 28.Rf3 Bc5 29.a4+= Rd8 30.Rf5 b6 31.Kf2 Rd7 32.Kf3 Bd6 33.g3 Ne5 34.Ke2 Ng4 35.Nb5 a6 36.Nd6+/– Rd6 37.Ba3 Rf6 38.Rf6 Nf6 39.c4 Kf7 40.Kf3 g5 41.g4 Nd7 42.Ke4 Ke6 43.h3 a5 44.Kd4+– Ne5 45.c5 bc5 46.Kc5 Nf3 47.Kb5 Nd2 48.Ka5 Nc4 49.Kb4 Ne3 50.Kc5 Kd7 51.a5 Nc2 52.a6 Na3 53.a7 Nc4 54.Kc4 h5 55.gh5 g4 1–0. Comet B50 – EXchess 3.11, 2005.

24.Rb1 Kg8 25.Rb5 Rc8 26.Nb3 Nb3 27.Rb3 b6 28.Ra3 a5 29.Bb2 Bc7 30.c4+/– Bd6 31.Rd3 Bf8+= 32.Rd4 b5 33.cb5 Rc2=+ 34.Ba1 Rc1 35.Kf2 Ra1 36.Ra4 Bd6 37.Ra5= Bh2 38.a4 Bg1=+ 39.Kf3 Ra3 40.Ra8 Kf7 41.Ra7 Kf6 42.Ke2 Re3 43.Kf1 Bh2 44.Kf2 Rb3 45.Ra6 Ke5 46.Ra7–/+ Bg3 47.Ke2 Kf6 48.Ra6 Kg5 49.Ra7 Be5 50.Rd7 Kf6 51.Rd8 Rb4 52.Ra8 Ke7 53.Ra6 Kd7 54.Kf3 Bc7 55.Ke3 Rg4 56.Kf3 Rg3 57.Kf2 Rb3 58.Ra7 g5 59.Ra6 Rb2 60.Kf1 Kc8 61.Rh6 Ra2 62.Ra6 h5 63.Rc6 Kb7 64.Rc4 Bb6 65.g3 Rf2 66.Ke1 Rg2 67.g4 h4 68.Re4 Ba5 69.Kf1 Ra2 70.Re5 h3 71.Rg5 Ra1 72.Kf2 Bb6 73.Kf3 Ra3 74.Ke2 Ra2 75.Kf3 Ra4 76.Rh5 Ra3 77.Ke4 Bc7 78.g5 Kb6 79.g6–/+ h2 80.g7 Ra8 81.Rh6?? Kb5–+ 82.Rh5 Kc4 83.Rh8 Bd6 84.Kf5= Kd3 85.Ra8 h1Q 86.g8Q Qh5 87.Kf6 Qe5 88.Kf7 Qf5 89.Ke8 Qe5 90.Kd7 Qe7 91.Kc6 Qc7 92.Kd5 Bb4?? 93.Qg6 Kc3+/– 94.Qf6 Kb3 95.Qf3 Qc3 96.Qd1 Qc2 97.Qd4 Qc3 98.Rb8 Qd4 99.Kd4 Ka3 100.Kc4 Bd6 101.Rb3 Ka2 102.Rb6 Be5 103.Re6 Bb2?? 104.Re3 Kb1+= 105.Re1 Ka2 106.Rd1 Be5 107.Rd2 Ka3 108.Rf2 Bd6 109.Rf3 Kb2 110.Rf6 Be5 111.Rf2 Ka3 112.Rf5 Bd6 113.Ra5 Kb2 114.Rb5 Kc2 115.Rg5 Bf4 ˝–˝. Comet B50 – Comet B25, 2005.

24.e4 Bb6 25.Be3 Re8 26.Rf1 Kg6 27.Rf4 Nc4 28.Kf2 Bc7 29.Rg4+/– Kf6 30.Rh4 a6 31.Nf5 b5 32.Bd4 Be5 33.Be5 Ke5 34.Ng7 Rd8 35.Rh7 Ke4 36.Rh4 Ke5 37.Rd4 Rf8 38.Ke2 Rg8 39.Rd7 Kf6 40.Nh5 Kg6 41.g4 Re8 42.Kf2 Kg5 43.Rg7 Kh4 44.Nf6 Re6 45.g5 Re5 46.Kf3 Rf5 47.Ke2 Re5 48.Kd3 Re3 49.Kd4 Re2 50.a4 Rh2 51.Rh7 Kg3 52.g6 Rd2 53.Kc5 Rb2 54.g7 Kf4 55.g8Q Kf5 56.Nd5 Rd2 (56...a5 57.Rf7 Ke4 58.Qg6 Ke5 59.Qf5) 1–0. Crafty 19.01 – Fritz 5.32, 2005.

24.e4 Bb6 25.Kf2 Rc8 26.Bd2 Bc7 27.Ke2 Bh2 28.Rh1 Be5 29.Rh7 Nc4 30.Kd3 Nb2 31.Kc2 Na4 32.Ne2 Rc4 33.Kd3 b5 34.Rh4 Nc5 35.Ke3 Ra4 36.Bc1 Ra2 37.Rh5 Kf6 38.g4 Ne4 39.Rf5 Ke6 40.Ke4 Re2 41.Be3 Bc3 42.Kd3= Rg2 43.Kc3+/– b4 44.Kd3 Rg4 45.Rb5 a6 46.Ra5 Kd7 47.Ra6+– Kc7 48.Bd4 g5 49.Ra4 Rg3 50.Kc4 Kd6 51.Ra6 Ke7 52.Kb4 g4 53.Kc4 Kf7 54.Rf6 Ke7 55.Kd5 Rg2 56.Rf1 Kd7 57.Rf7 Ke8 58.Rg7 Kd8 59.Kd6 Kc8 60.Bc5 Re2 61.Kc6 Re6 62.Bd6 Kd8 63.Rg4 Re1 64.Kd5 Kc8 65.Rg7 Rc1 66.Ke6 Re1 67.Be5 Rd1 68.Rc7 Kd8 69.Rc4 Ke8 70.Rg4 Rf1 71.Rg7 Rf2 72.Rh7 Rf1 73.Bg3 Kf8 74.Rc7 Kg8 75.Rd7 Kf8 76.Rb7 Rd1 77.Bd6 Kg8 78.Be5 Rf1 79.Rg7 Kf8 80.Rd7 Kg8 81.Rc7 Rf2 82.Rg7 Kf8 83.Rd7 Kg8 84.Bd6 Re2 85.Kf6 Rf2 86.Kg6 Rg2 87.Kh6 Rg1 88.Bc5 Rg2 89.Re7 Rg3 90.Rc7 Rg2 91.Bd4 Kf8 92.Be3 Re2 93.Bc5 Ke8 94.Bb4 Re4 95.Ba3 Re3 96.Ra7 Rd3 97.Kg6 Rd7 98.Ra5 Rd5 99.Ra6 Kd7 100.Kf6 Rd1 101.Ra7 Kc6 102.Ke5 Re1 103.Kd4 Rd1 104.Kc4 Ra1 105.Ra4 Kd7 106.Ra6 Kc8 107.Kb5 Kd7 108.Rd6 Kc7 109.Rd3 Rb1 110.Bb4 Kc8 111.Re3 Kd8 112.Re4 Kd7 113.Re7 ˝–˝. Fritz 5.32 – Fritz 6, 2005.

24.e4 Bb6 25.Kf2 Re8 26.Kf3 Nc4 27.Bf4 Kf6 28.Rb1 g5+= 29.Rb4 Rc8 30.Bg3 Nd2 31.Ke3 Nf1 32.Kd3 Ng3 33.hg3 Rc7 34.Rb1 Re7 35.Rf1 Kg6 36.g4 Bc7 37.Rf5 Bf4 38.a4 a6 39.c4 Re8 40.Rd5 Kf6 41.Nf5 Rh8 42.c5 Rc8 43.Kd4 Rc7 44.e5 Kf7 45.Rd8 Ke6 46.Rd6 Kf7 47.Rf6 Kg8 48.e6 Bh2 49.e7 Rc8 50.Nd6 Bg1 51.Kd5 Ra8 52.Re6 b6 (52...b5 53.c6 Bb6+–) 1–0. Fritz 5.32 – Doctor? 3.0, 2005.

24.e4 Bc7 25.Bg5 Kg6 26.h4 h6= 27.Be7 Re8 28.Nf5 Bb6 29.Kh2 Nc6 30.h5 Kh7 31.Bd6 Re4 32.Kg3 Re2 33.c4 Rc2 34.Bf8?? Rf2–+ 35.Ng7 Rf8 36.Ne6 Rf6 37.c5 Ba5 38.Nf4 Bc7 39.Rf1 Rf5 40.Kg4 Nd4 41.a4 Rg5 42.Kh4 Nf5 43.Kh3 Rg3 44.Kh2 Rg4 45.g3 Ng3 46.Rb1 Bf4 47.Rb7 0–1. Doctor? 3.0 – Crafty 19.01, 2005.

24.e4 Bf6 25.Bf4 Re8 26.Re1 Nc4 27.a4 Kg8 28.Re2 a6 29.Kf2 b6 30.Kf3 Ne5 31.Ke3+/– Ng4 32.Kd3+– Be5 33.g3 Rf8 34.h3 Bf4 35.gf4 Nh6 36.Rb2 Rf4 37.Rb6 Rh4 38.Ne6 Rh3 39.Kd4 Rh2 40.Ra6 Rd2 41.Ke3 Rc2 42.Kd3 Rb2 43.Ra7 g6 44.a5 Ng4 45.a6 Ne5 46.Ke3 h5 47.Kf4 Nd3 48.Kg5 Rg2 49.Kf6 Nf2 50.Rg7 Kh8 51.a7 Ne4 52.Ke5 Ra2 1–0. Fritz 8 – EXchess 3.11, 2005.

24.e4 Bf6 25.Bf4 Re8 26.Re1 Nc4 27.Rb1 Re4 28.Rb7 Kg6 29.g3 a5= 30.Kf2 Bd4 31.cd4 Rd4 32.Kf3 a4 33.Rc7 Kf6 34.Rc6 Kf7 35.h4 Nd2 36.Ke3+= Rd7 37.Rc7 Nf1 38.Ke2 Ng3? 39.Bg3+– Rc7 40.Bc7 Ke6 41.Kd3 Kd5 42.h5 Ke6 43.Ke4 Kf6 44.Be5 Kg5 45.Bg7 Kh5 46.Kf5 Kh4 47.Bf6 Kg3 48.Kg5 Kf3 49.Kh6 Ke4? 50.Kh7?? Kd3 51.Kg6 a3 52.Kf7 Kc2 53.Ke6 Kb1 54.Be7 Ka2 55.Ba3 ˝–˝. Doctor? 3.0 – Comet B25, 2005.

24.e4 Rc8

25.Rb1 Bb6= 26.Bb2 Nc4 27.Rf1 Kg8 28.Ba1 Ne3 29.Rf3 Bd4=+ 30.cd4 Rc1 31.Kf2 Nd1 32.Kg3 Ra1 33.Rb3 Ra2–+ 34.Rb7 a5 35.Kf4 Rg2 36.Ra7 Nc3 37.Ra5 Rh2 38.Ra8 Kf7 39.Ra7 Ke6 40.Ra6 Ke7 41.Ra7 Kd6 42.Ra6 Kd7 43.Ra7 Kc6 44.Rg7 Kd6 45.Kg3 Rh5 46.Kg4 Rh1 47.Kf4 Nb5 48.e5? Ke6 49.d5 Kd5 50.Rd7 Ke6 51.Rb7 Nd4 52.Rb6 Kd5 53.Rd6 Kc5 54.Ke4 Rh4 55.Kd3 Nf3 56.Re6 Kd5 57.Re8 Ne5 58.Ke2 h5 59.Kf2 Rg4 60.Rd8 Ke4 61.Re8 h4 62.Re7 h3 63.Kf1 h2 64.Re5 Ke5 65.Ke2 0–1. Fritz 5.32 – Fritz 8, 2005.

25.Bd2 Nc4 26.Rf1 Kg8 27.Bf4 Ba5 28.Nb5 28...Rf8 29.e5 a6=+ 30.Nd4 g5 31.Bg5 Rf1 32.Kf1 Bc3 33.Ne6 Be5 34.h4 b5 35.Nc5 a5 36.Ke2 Kf7 37.Kd3 Bg7 38.Ke4 h6 39.Bf4 h5 40.Nb3 Kg6 41.Nd4 Bd4 42.Kd4 Kf5 43.Bc7 Kg4= 44.g3 Nd2 45.Ba5 Nf3 46.Kc5 Kg3 47.Bc7 Kh4 48.Kb5 Kg4 49.a4+/– Nd4 50.Kc4 Ne6? 51.Bh2 Kh3 52.Kd5 Kh2= 53.Ke6 h4 54.a5 h3 55.a6 Kg1 56.a7 h2 57.a8Q h1Q 58.Qh1 Kh1 ˝–˝. Doctor? 3.0 – Fritz 6, 2005.

25.Bd2 Nc4 26.Rf1 Kg6 27.Bc1 Bf6 28.Bf4 Re8 29.Re1 Be5 30.Be5 Ne5 31.Rb1 b6 32.Kf2 Kf6 33.Ke2 Nc4 34.Rf1 Ke5 35.Rf7 Nd6 36.Rg7+– Ne4 37.Kd3 Nc5 38.Kc4 Rc8 39.Re7 Kd6 40.Nf5 Kc6 41.Rh7 b5 42.Kb4 a5 43.Ka3 Kb6 44.Nd4 Rg8? 45.Rh6 Kb7 46.g3 Rg4 47.Nb5 a4 48.c4 Rg5 49.Kb4 Kb8 50.Rb6 Ka8 51.Nd6 Rh5 52.h4 Ka7 53.Rb5 Nd3 54.Ka4 Rc5 (54...Rh8 55.Rd5 Nc1 56.a3+–) 1–0. Fritz 6 – Doctor? 3.0, 2005.

25.Bd2 Nc4 26.Bf4 g5 27.Bg3 Nd2= 28.Re1 Rc3 29.Re2 Nc4 30.Re1 Ra3 31.Re2 Bb6 32.Bf2= Rd3 33.Nf3 Rd1 34.Re1 Re1 35.Ne1 Ne3 36.h3= h5 37.g3 Ke6 38.Nd3 g4 39.hg4 hg4 40.a3 Bd4 41.a4 a6 42.Kh1 b5 43.ab5 ab5 44.Kg1 Bb6 45.Be3 Be3 46.Kf1 Bb6 47.Ke2 Bd4 48.Kd2 Be5 49.Nf2= b4 50.Kc2 Bg3 51.Ng4 Bd6 52.Kb3 Be7 53.Kc4 Bf8 54.Kd3 Bg7 55.Kc2 Bc3 56.Kb3 Kd6 57.Kc4 Ke6 58.Nf2 Ke7 59.Nd3 Ke6 60.e5 Kf5 61.Kb3 Ke4 62.e6 Kd3?? 63.e7+– Be5 64.e8Q Bc3 65.Qd7 Ke4 66.Qe6 Kd4 67.Qd6 Ke4 68.Kc4 Ke3 69.Qd3 Kf4 70.Qe2 Kf5 71.Qe3 Kf6 72.Qe4 Kg5 73.Kb3 Kf6 74.Qd5 Ke7 75.Qc6 Kf7 76.Qd6 Ke8 77.Qc7 Kf8 1–0. Fritz 8 – Fritz 6, 2005.

25.e5 Rc3+= 26.e6 Ke8 27.Nf5 Bf6 28.Bb2 Rc2 29.Ng7 Bg7= 30.Bg7 Ke7 31.Re1+= Ra2 32.Bf6 Ke8 33.Rd1 Nc6= 34.Kf1 Ra4 35.g3 Re4 36.Rd6 a5 37.Kf2 a4 38.Kf3 Re1 39.Bc3 Rf1 40.Kg2 Rc1 41.Bf6 b5 42.Rd7= Re1 43.Rd6 Re2 44.Kf3 Rc2 45.Rd7 Rc1 46.Ke4 Rf1 47.Bh4 h5 48.Kd5 Rc1 49.Rb7 a3 50.Bf6 a2=+ 51.Kd6 Nd8 52.Re7 Kf8 53.Bg7 Kg8 54.Bd4?? Rd1–+ 55.Re8 Kh7 56.Rh8 Kg6 57.Rg8 Kf5 58.Rf8 Kg4 59.Rf4 Kh3 60.e7 a1Q 61.Rh4 Kg2 62.e8Q Rd4 63.Rd4 Qd4 64.Kc7 0–1. Crafty 19.01 – Fritz 6, 2005.

3.d4 ed4

4.Qa4 Bd7–/+ 5.b5 c6 (5...dc3 6.Nc3 Nf6 7.Bf4–/+) 6.Qd4 Nf6 7.Nf3 (7.Bg5 Be7–/+) 7...c5 (7...cb5 8.Bg5–/+) 8.Qe3 Be7 9.Ba3 (better is 9.a4–/+) 9...0–0 (9...Qb6–/+) 10.g3?? (better is 10.Bc5 Re8 11.Be7 Re7 12.Qd3=) 10...Re8–+ (10...Bb5?! 11.Bc5 Re8 12.Be7 Re7 13.Qd2–/+) 11.Bc5 (11.Qd3 Qa5 12.Qd2 Qb5–+) 11...Bb5 (better is 11...Bf8!? 12.Qd4 Re4–+ (12...Bb5?! 13.Bf8 Rf8 14.Nbd2+=)) 12.a4 Bd7 (better is 12...Bd6 13.ab5 Re3 14.Be3 Qe8–+) 13.Nbd2?? (13.Ba7 Nc6 14.Bd4 Nd4 15.Qd4 Ra5–/+) 13...Na6 (better is 13...Bf8 14.Qd3 Bc5–+) 14.Be7+= Re7 15.Qf4 Nc5 16.a5?? Rc8 17.e3 Rc6 18.Nd4 Rc8 19.Bg2?? Nd3–+ 20.Ke2 Nf4 21.gf4 Rc5 22.a6 Bb5 23.Nb5 Rb5 24.Rhb1 Qd7 25.Nf3 g6 26.Kd2 Ne4 27.Kc2 ba6 28.Ra6 Rb1 29.Nd4 Rb6 30.Ra3 Qg4 31.Be4 de4 32.Kd2 Rb1 33.c4 Qd1 34.Kc3 Qd3 0–1. Willi_weizenkeim – Claymold, playchess.de, 2002. (=1.c3 e5 2.b4 d5 3.d4 ed4)

4.cd4 Bb4 5.Bd2 Bd6 6.Nf3 Nf6 7.e3 0–0 8.Bd3 c5 9.dc5 Bc5 10.0–0 Nc6 11.Qa4 Bg4 12.Bc3 Bh5 13.Qh4=+ Bg6 14.Ng5?? Bd3–+ 15.Bf6 Qf6 16.h3 h6 17.Rd1 hg5 18.Qg3 Qa1 (19.Qg5 Bb1–+) 0–1. Alex Raistrick – thotares, internet, 2007.

4.Qd4 c5 5.bc5 Nc6 6.Qe3 Be7 7.Nd2 d4 8.cd4= Nd4 9.Qc3 Nf6 10.e4+= 0–0 11.Rb1 Re8 12.Bb2 Ne6 13.c6 bc6 14.Ngf3 a5 15.Qc6+= Bd7 16.Qc2 Rc8 17.Bc4+/– Nf4 18.0–0 Be6 19.Rfd1 Ng4 20.Ne5 Ne2+/– 21.Kf1 Nd4 22.Qa4 Ne5 23.Be6 fe6 24.Bd4 Ng4 25.h3 Nf6 26.Bf6 Bf6? 27.Nc4+– Qc7 28.Nd6 (28…Red8 29.Nc8 Rc8 30.Rdc1 Qc1 31.Rc1 Rc1 32.Ke2+–; 28.Na5?! Qh2+=) 1–0. mrkt (2380) – poobeshtamil (2110), ICC, 2003.

4.Qd4 Nc6

5.Qd1 Nf6 6.Nf3 a6 7.e3 Be7 8.Bd3 Bg4 9.h3 Bh5 10.0–0 0–0 11.Nbd2 b5 (11...Ne5 12.Be2 Qd6 13.Bb2+=) 12.Bb2 Bd6 13.Qc2 Bg6 14.Bg6 fg6 15.Ng5 (better is 15.e4=) 15...Ne5 (better is 15...Qe7+=) 16.Ne6+/– Qe7 17.Nf8 Rf8 18.a4 Nc4 19.ab5 ab5 20.Nc4 Ne4?? (better is 20...bc4 21.Qd2 Qe5+/–) 21.Nd6+– Qd6 22.Rfd1 (better is 22.f3 Nf6+–) 22...c6 (22...Nf2 23.Rf1 Ne4+–) 23.Qe4! 1–0. Sundfar – Sonnyspock, playchess.de, 2003.

5.Qd3 a6 6.Nf3 Nf6 7.Bf4 g6 8.Qe3 Be7 9.Ne5 0–0 10.Nc6 bc6 11.Nd2 Re8 12.Qf3 a5 13.ba5 Ra5 14.e3 Bg4 15.Qg3 Qc8 (15...Qa8!? 16.f3 Bf5–/+) 16.h3= (< 16.Bc7 Nh5 17.Ba5 Ng3 18.hg3 Qe6–/+) 16...Nh5?? (16...Bf5 17.Be2 Qa8 18.Bc7 Ra2 19.Ra2 Qa2–/+) 17.Qg4+– Qg4 18.hg4 Nf4 19.Nb3 Bf6 20.Kd2 d4? 21.Na5 dc3 22.Kc2 Nd5 23.a3 Rb8 24.Nc4 1–0. b4_player (2220) – edwinj (1865), GameColony.com, 2003.

5.Qd3 Nge7 6.e4 Ne5 7.Qg3 N7g6=+ 8.h4 Bd6 9.f4+= Nc4? 10.h5+/– Ne7 11.Qg7 Rg8 12.Qh7 de4?? 13.Bc4 Be6 14.Be6 fe6 15.Qe4 Qd7 16.Qb7 Kf7 17.g4 Rab8 18.Qf3 1–0. b4_player (2195) – Kirill (1870), GameColony.com, 2003.

5.Qd3 g6 6.e4 de4 7.Qe4 Qe7 8.Qe7 Nge7 9.Bb5 Bg7 10.a3 a6 11.Bc6 Nc6 12.Bf4 Ne5 13.Be5=+ Be5 14.Nf3 Bg7 15.Nd4 0–0 16.Ra2 Re8 17.Re2 Re2 18.Ke2 Bd7 19.Rd1 Re8 20.Kd3 Bd4 21.cd4 Bf5 22.Kc4 Bb1 23.Rb1 Re2 24.Rf1 Kf8 25.a4 Ke7 26.Kd3 Rb2 27.Kc3 Re2 28.h4 Kd6 29.Kd3 Ra2–/+ 30.a5 Rb2 31.Kc3= Re2 32.Kd3 Rb2 33.Kc4 Rc2 34.Kd3 Rb2 ˝–˝. b4_player (2220) – Rotherham22 (1605), GameColony.com, 2003.

5.Qe3 Be6 6.b5 Nce7 7.Nf3 a6 8.Nd4 ab5 9.Ne6= fe6 10.Qe6 Nf6 11.e3 Qd7 12.Qd7+= Nd7 13.Bb5 Ng6 14.Bd3 Be7 15.Ke2 Nge5 16.Bc2 Kf7 17.e4 de4 18.Be3 Nc4 19.Bb3 b5 20.Nd2 Nc5 (20...Ndb6 21.a4 Kg6 22.ab5 Nd2 23.Bd2+/–) 21.Bc5+– Bc5 22.Ne4 Rhe8 23.Kf3 Ba3 24.Rhd1 Kg6 25.Bc4 bc4 26.Rd7 Rf8 27.Kg4 h5 28.Kh3 Rf7 29.Rd2 Ra5 30.f3 Rf8 31.Rd7 Rf7 32.Rd4 Kh6 33.Re1 Ra4 34.Rd8 Re7 35.g4 hg4 36.Kg4 g6 37.Re2 Ra5 38.h4 Rf5 39.Red2 Bd6?? 40.Nd6+– cd6 41.R2d6 Ref7 42.Rd4 Ra5 43.Rc4 Ra2 44.Kg3 Re2 45.Re4 Re4 46.fe4 Rc7 47.Rd3 g5 48.hg5 1–0. marekt – Gambitman, ChessWorld.net, 2003.

5.Qe3 Be6 6.b5 Nce7 7.Nf3 Nf5 8.Qd3 Nf6 9.Nbd2 Nd6 10.Nd4 Bd7 11.e3 a6 12.ba6 Ra6 13.Qb1 Ra7 14.Bd3 c5 15.Ne2 Be7 16.0–0 0–0 17.c4 dc4 18.Nc4 Nc4 19.Bc4 Qa5 20.Bb2 b5 21.Bc3 Qa4 22.Bd3 Rd8 23.Rc1 Bc6 24.Nf4 Rad7 25.Bc2 Qa8 26.Bb2 Be4 27.Bf6 Bc2 28.Qc2 Bf6 (< 28...gf6 29.Qf5+=) 29.Rab1 Qc6 30.Rd1 (30.Qc5?? Qc5 31.g3 Qa3–+) 30...Qe4 31.Qe2 (31.Qe4?? Rd1 32.Rd1 Rd1) 31...b4 32.Rbc1 Rd1 33.Rd1 c4 34.h3 h6 35.g3 Bg5 36.Rd8 Bd8 37.Qd1 Bc7 38.Ng2 Be5 39.h4 0–1. marekt – markourm, ChessWorld.net, 2003.

5.Qe3 Be6 6.Nf3 Be7 7.Bb2 Nf6–/+ 8.h3 Qd7 9.Nbd2 0–0 10.a3 Rfe8 11.Nb3 Bf5 12.Nc5 Bc5 13.Qc5 Bd3 14.Nd2?? b6–+ 15.Qe3 Re3 16.fe3 Bg6 17.0–0–0 Nb4 18.Nb3 Na2 19.Kd2 Qb5 20.Nd4 Qb2 21.Ke1 Ne4 22.Nf3 Nac3 23.Nd2 Nd1 24.Ne4 de4 25.Kd1 Qc3 26.g4 Rd8# 0–1. Kupec,Jan – Lorentzen,Oeystein, corr 3GMM–10, 1995.

5.Qe3 Be6 6.Nf3 Nf6 7.h3 Qd7 8.Ne5 Ne5 9.Qe5 Bd6 10.Qd4 0–0 11.e3 a5 12.b5 c5 13.Qh4 Be7 14.Bd2 b6 15.Na3 Ne4 16.Qf4 Nd2 17.Kd2 c4 18.Nc2 Bd6 19.Qd4 Bc5 20.Qe5 Qb5 21.Be2 Rae8 22.Rhb1 Qd7 23.Nd4 Bh3 24.Qh5 Bg2 25.Rg1 Be4 26.Rg7 Kg7 27.f3 Bg6 28.Rg1 Qa4 29.Qd5 Qa2 30.Ke1 Qa1 31.Kf2 Qc3 32.Nf5 Kf6 33.Kg2 Bf5 34.e4 Rg8 35.Kh1 Rg1 36.Kh2 Rh1! 37.Kg3 Qe1 38.Kf4 Qh4# 0–1. Tricky.1 – color1972, ChessWorld.net, 2005.

5.Qe3 Nge7 6.Nf3=+.

5.Qf4 Bd6 6.Qe3 Nge7 7.Na3 d4! 8.cd4 0–0 9.b5 Nf5 10.Qg5?? Bb4–+ 11.Kd1 Qd4 12.Kc2 Qa1 13.bc6 Nd4 14.Kd1 Qa2 15.Nf3 Qb3 (16.Nc2 Qc2#) 0–1. nimmie – michaelbuss, ChessWorld.net, 2005.

5.Qf4 Nf6 6.Na3 Bd6 7.Qe3 Qe7 (better is 7...Be7 8.Nf3 0–0–/+) 8.Qg5? (better is 8.Qe7!? Ne7 9.Nb5+=) 8...0–0 (8...h6 9.Qe3 (9.Qg7?? Rh7 10.Qh7 Nh7–+) 9...Qe3 10.Be3–+) 9.f3? (9.Nc2!?–/+) 9...Ne5 (9...Nb4 10.Qd2–+) 10.e3 (10.Kd1 Bd7–+) 10...Ng6 11.Bd3?? (11.e4–+) 11...h6 12.Qf6 (12.Qg6 fg6 13.Nb5 Be5–+) 12...Qf6 13.Bg6 (13.Bb2 Bb4! 14.Nb5 c6–+) 13...Qc3 14.Bd2 Qa1 15.Ke2 fg6 16.e4 Qa2 0–1. Thrustnicely – Ama49, playchess.de, 2005. (=1.d4 d5 2.b4 e5 3.c3 ed4 4.Qd4 Nc6)

5.Qd3 Nf6

6.Bf4 Bd6 7.Bd6 Qd6 8.Nf3 0–0 9.Nbd2 Re8 10.e3 Ne4 11.Ne4 Re4 12.Qc2 Bf5 13.Bd3 Re6 14.Bf5 Rf6 15.Bh7 Kf8 16.Bd3 Re8 17.Rd1 Qf4 18.b5 Nd8 19.0–0 Qg4 20.Qb3 c6 21.Qa3 Kg8 22.Qa7 Rf3 23.Be2 Re5 24.Bf3 Qg6 25.c4 Rg5 26.Qb6 Qf6 27.cd5 cd5 28.Qf6 gf6 29.Bd5 b6 30.f4 Rg6 31.f5 Rg5 32.Be4 Nb7 33.Bb7 Kg7 34.Rd6 Rh5 35.a4 Rg5 36.Rb6 Rg4 37.e4 Rh4 38.a5 Rh8 39.a6 Rb8 40.Rc6 Rd8 41.Rc8 Rd7 42.a7 Rb7 43.a8Q Rb5 44.Rg8 Kh6 45.Qf8 Kh5 46.Rh8 Kg4 47.Qg7 1–0. b4_player (2245) – gopi_kris, GameColony.com, 2003.

6.Bf4 Bd6 7.Bd6 Qd6 8.Nf3 0–0 9.Nbd2 Re8 10.e3 Bg4 11.a3 Bh5 12.Qf5 Bg6 13.Qg5 Ne5 14.Ne5 Re5 15.Qg3 Rae8 16.Be2 Ne4 17.Ne4 Be4 18.0–0 Qg6 (18...Qf6!? 19.Bg4 Qg6=+) 19.Qg6= Bg6 20.Rfd1 c6 21.c4 dc4 22.Bc4 Be4 23.Rd7 R5e7 24.Rad1 Kf8 25.R7d6 b5 26.Bd3 Bd3 27.R1d3 Rc8 28.Rc3 Rec7 29.Rc5 a6 30.Rd4 g6 31.g4 Ke7 32.g5 f5 33.Re5 Kf7 34.Rc5 Re8 35.Kg2 Re6 36.h4 Ke7 37.Kf3 Rd7 38.Rd7 Kd7 39.Ke2 Kd6 40.f3+= Re5 41.Re5 Ke5 42.Kd3 Kd5 43.e4+/– Ke5 44.Ke3 f4? 45.Kd3+– Kd6 46.Kd4 Kc7 47.Ke5 a5 48.ba5 c5 49.a6 b4?? 50.ab4 cb4 51.Kd4 Kb6 52.e5 Ka6 53.e6 Kb6 54.e7 1–0. b4_player (2205) – Kirill (1925), GameColony.com, 2003.

6.Bf4 Be7 7.Nf3 0–0 8.a3 (8.b5 Nb8=+) 8...Re8 9.b5 Na5 10.Nbd2 c6 11.Nd4 cb5 (11...Bd7 12.a4=+) 12.Qb5 (12.Nb5!? Nc4 13.Nc4 dc4 14.Qd8 Rd8 15.Nc7+=) 12...b6 13.Qd3 Bd6 14.Bd6 Qd6 15.Qg3 Qe7 16.Ra2 Nh5 (16...Bg4 17.Ra1=+) 17.Qd3 Nf4 18.Qf3 g5 19.e3 Ne6 20.Bb5 Bd7 21.Nf5+– Qc5 22.Nh6 Kg7 23.Qf7 Kh6 24.Qf6 Kh5 25.Be2 Kh4 26.Qh6# 1–0. Trkn – guest1382, ICC, 2004.

6.Bf4 Be7 7.Nf3 Be6 8.Qb5 Qc8 9.e3 0–0 10.Qd3 Bb4?? (Better is 10...Nh5=+) 11.cb4+/– Nb4 12.Qd1 Bf5 13.Na3 c6? (Better is 13...c5!?+/–) 14.Bd6+– Re8? (14...c5 15.Bf8 Qf8+–) 15.Bb4 1–0. b4_player (2200) – NN, GameColony.com, 2003.

6.Bg5 Be7 7.Qe3 d4–/+ 8.Qd3 dc3 9.Qd8 Bd8 10.a3?? (better is 10.Nc3 Nb4 11.Rc1–/+) 10...Nd4–+ 11.Nc3 (11.Ra2 Ne4 12.Bc1 Be6 13.Nc3 Nc3–+) 11...Nc2 12.Kd2 Na1 13.Nf3 Be6 14.e3 a5 15.Bd3 Nb3 16.Kc2 ab4 17.ab4 Ng4 18.Bb5 c6 19.Ba4 Nf2 20.Re1 Ra4! 21.Na4 0–0 22.Nc3 c5 23.bc5 Nc5 24.Bd8 Rd8 25.Nd4 Rc8 26.Kd2 Nce4 27.Ne4 Ne4 28.Kd3 Nc5 29.Kc3 Kf8 30.Rd1 Ke7 31.Kb4 Ne4 32.Ka5 Ra8 33.Kb6 Ra2 34.Kb7 Rg2 35.h4 Rg3 36.Kb6 Re3 37.Nc6 Kf6 38.Rf1 Kg6 39.Ne5 Kh5 40.Nf7 Kh4 41.Nd8 Ng3 42.Ra1 (42.Rf8 Bf5–+) 42...g5 0–1. darkone1uk (1715) – grandma (1980), gameknot.com, 2007.

6.Bg5 Be7 7.Nf3 0–0 +=.

6.Bg5 Be7 7.g3 d4 8.a3 h6 9.Bd2 Qd5–/+ 10.Nf3 Bf5 11.c4 Qe6 12.Qb3 b5 13.e3 Be4 14.Bg2 bc4 15.Qa4 c3?? 16.Nd4+/– cd2 17.Nd2+– Bg2 18.Ne6 fe6 19.Rg1 Bd5 20.Rc1 Kd7 21.b5?? Ne5+/– 22.Ke2 Kd8 23.e4+– Bb7 24.Rgd1 Bd6? 25.f4+– a6 26.fe5 ab5 27.Qd4 Ra4 28.Qb2 Ba3 29.Nb1 Kc8 30.Na3 Re4 31.Kf1 Ng4 32.Nb5 Rf8 33.Kg1 Nf2 34.Nd6 (34...Kd8 35.Nb7 Ke8 36.Rc7 Re1 37.Kg2 Rg1 38.Rg1 Rf5 39.Nd6 Kd8 40.Qb8#; 34.Rc7 Kb8 35.Rb7 Kb7 36.Nd6 Kc7 37.Qb7 Kd8 38.Qc8 Ke7 39.Qc7#) 1–0. Harismuha – McGhee, ChessWorld.net, 2004.

5.Qe3 Qe7

6.b5 Qe3 7.Be3=+.

6.Qe7 Nge7 7.Nf3 g6 8.Bb2 Bg7 9.Nbd2 Nb4!–/+ 10.cb4 Bb2 11.Rb1 Bg7 12.Rc1 c6 13.e4 0–0 14.ed5 Nd5–+ 15.Ne4? Re8 16.Nfg5 Bf5 17.Bd3 Bh6 18.0–0 Bg5 19.Ng5 Bd3 20.Rfd1 Nb4 21.Rc5 Bf5 22.a3 Nd3 23.Rc3 Rad8 24.h4 Re1 25.Re1 Ne1 26.Re3 Nc2 27.Re7 Rd7 28.Re8 Kg7 29.Re2 Rd1 30.Kh2 h6 31.Nf3 Nd4 32.Re7 Nf3 33.gf3 Rb1 34.Kg3 Kf6 35.Re8 a6 36.f4 c5 37.Re5 c4 38.Kf3 Rb3 39.Kg2 c3 40.Rc5 c2 41.f3 Rb1 (42.Rc7 c1Q 43.Rc1 Rc1–+) 0–1. ketanmeh – katrica, internet, 2007.

6.Nf3 Qe3 7.Be3 Bd6 8.Nbd2=+.

6.Nf3 Qe3 7.Be3 Nf6 8.Bf4= Bd6 9.Bd6+= cd6 10.e3 Bg4 11.Nd4 Nd4 12.cd4 0–0 13.Nc3 Rac8 14.Nb5+/– a6 15.Nd6 Rc7 16.h3 Bh5 17.b5 Rd8 18.b6 Rcd7 19.Nf5 Bg6 20.Bd3 Bf5 21.Bf5 Rd6 22.Rb1 g6 23.Bg4 Ne4 24.a3 Nc3 25.Rb4 Na2 26.Rb3+– Rc6 27.Kd2 Rdd6 28.Ra1 Rb6 29.Rb6 Rb6 30.Ra2 Rb1 31.Bf3 Rf1 32.Kd3 Rb1 33.Bd5 b5 34.Rc2 b4 35.ab4 Rb4 36.Rc7 Rb2 37.Rf7 Kh8 38.e4 a5 39.e5 a4 40.e6 a3 41.e7 Rb8 42.Rf8 (42...Kg7 43.Rb8 Kf6 44.e8Q Kg5 45.Qe3 Kh5 46.g4 Kh4 47.Qh6#) 1–0. mrkt (2360) – blacksmith (1630), ICC, 2003.

6.Nf3 Qe3 7.Be3 Bg4 8.Nd4 Nd4 9.Bd4 Ne7 10.e3 Nc6 11.a3 Nd4 12.cd4 Bd6 13.Bd3 Kd7 14.Nc3 c6 15.h3 Be6 16.Kd2 f5 17.b5 Rhf8 18.Rhc1 g6 19.g3 h5 20.h4 Be7 21.Na4 Rac8 22.bc6 bc6 23.Nc5 Bc5 24.Rc5 Rb8 25.Rac1 Rb2 26.R1c2 Rc2 27.Kc2 Ra8 28.f3 Kc7 29.Kc3 Rb8 30.Ra5 Ra8 31.Kd2 Bc8 32.e4 Kb6 33.Rc5 a5 34.ed5+– cd5 35.Rd5 Bb7 36.Rd6 Kc7 37.Rg6 Bf3 38.Rg5 Bg4 39.Bf5 1–0. marekt (2435) – davyboy (1735), ChessWorld.net, 2003.

5.Qe3 Be7

6.Ba3 Be6 7.b5 Na5 8.Be7 Ne7 (8...Ke7?! 9.Qd4 Nc4 10.Qg7+=) 9.Nf3 0–0 10.Na3 Qd6 11.Nc2 a6 12.ba6 Ra6 13.Ng5 c5 14.Na3 Bd7 15.g3 h6 16.Nf3 Re8 17.Qf4 Qf4 18.gf4 Rb6 19.Ne5 Bf5 20.e3 d4 (better is 20...Nac6!?–/+) 21.ed4 cd4 22.0–0–0?? (better is 22.cd4 f6 23.Nec4 Nc4 24.Nc4 Nd5 25.Kd2=) 22...dc3–+ 23.Rd7? (23.Bb5 Ra8 24.Bd3–+) 23...Bd7 24.Nd7 Rd6 (better is 24...Rb2!? 25.Nc4 Ra2 26.Na5 Ra5 27.Nb6–+) 25.Bb5 Rd8 26.Ne5 Rd2 27.Ba4 (27.Nc2–+) 27...Ra2 28.Rg1 (28.Rd1 Rd1 29.Kd1 Ra3 30.Be8–+) 28...Ra3 29.Bc2 Ra1 30.Bb1 Rd2 31.Re1 Nb3 0–1. maddoxdb – parkov, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.d4 ed4 4.Qd4 Nc6 5.Qe3 Be7)

6.b5 d4 7.Qd3 Ne5= 8.Qd4 Bf6 9.Qd8+/– Kd8 10.e4 Nf3?? 11.Nf3+– Bc3 12.Nc3 Be6 13.Bg5 f6 14.Be3 Ne7 15.0–0–0 Bd7 16.e5 Kc8 17.ef6 gf6 18.Ne4 Rf8 19.Nc5 Bf5 20.Bc4 b6 21.Nh4 Re8 22.Rhe1 bc5 23.Nf5 Nf5 24.Bc5 Rg8 25.Bg8 (25…Nd6 26.Bd6 cd6 27.Re8 Kb7 28.Bd5 Kc7 29.Ba8+–) 1–0. bane – ParvusCarlsen, mySchach.de, 2005.

6.Nf3 Nf6=+ 7.Bb2 0–0 8.g3 d4 9.Qd3? dc3–+ 10.Qd8?? cb2 11.Qe7 Ne7 12.Bg2 ba1Q 13.0–0 Qa2 14.Nc3 Qc4 15.Nd1 Qb4 16.Ne3 a5 17.Nh4 a4 18.Nhf5 Nf5 19.Nf5 Bf5 20.e3 a3 (21.g4 a2 22.gf5 a1Q 23.Bd5 Qg4 24.Bg2 Qf1 25.Kf1 Ra1#) 0–1. bar (1905) – hasant (1915), net–chess.com, 2008.

6.Nf3 Nf6 7.Ne5 Ne5 8.Qe5 0–0 9.e3 Re8 10.Qf4 a5 11.b5 Ne4 12.Bd3 f5 13.0–0 Bf6 14.Bb2 Be5 15.Qf3 Qf6 16.Be4 de4 17.Qe2 a4 18.Na3 Bc3?? 19.Bc3?? Qc3–/+ 20.Nc2 Bd7 21.Nd4=+ Qc5 22.Rfc1+= Qe5 23.Rc7?? Qc7–+ 24.Qb2 Rec8 25.Rf1 Qc3 26.Qb1 Rc4 27.h3 Rb4 28.Qd1 Bb5 29.Re1 Rd8 30.Qc1 Qc1 31.Rc1 Rbd4 32.Kh2 Rc4 33.Rb1 Bc6 34.Rb2 b5 35.Kg3 b4 36.h4 a3 37.Rb3 Rd2 38.f3 Ra2 (39.Rb1 Re2–+) 0–1. astrop – thotares (1655), internet, 2007.

6.Qg3 Bf6 7.Bf4 Bf5 8.Bc7= Qd7 9.Bf4? Nb4–+ 10.Qe3 Ne7 11.Na3 Qa4 12.Qc1?? Qa3!!–+ 13.e3 Qc3 14.Qc3 Bc3 15.Kd1 Ba1 16.Bb5 Nbc6 (17.Nf3 Bf6–+; 16...Nec6 17.Ne2–+) 0–1. bane – 1805DYDIDIDY, mySchach.de, 2005.

6.b5 Na5

7.Qg3 Nf6 8.Qg7 Rg8 9.Qh6 Rg6 10.Qh4 Nc4 11.Qd4 c5 12.bc6= bc6 13.Nd2 c5 14.Qd3 Ne5 15.Qc2 Rb8 16.Ndf3 Qc7 17.g3+=.

7.Qg3 Nf6 8.Qg7 Rg8 9.Qh6 Rg6 10.Qh4 Nc4 11.Qd4 c5 12.bc6 bc6 13.Nd2 c5 14.Qd3 Ne5 15.Qc2 Kf8 16.Rb1 Be6 17.Ngf3 Nc6 18.e3 Rc8 19.g3 d4 20.Bd3 de3 21.fe3 Rg7 22.a3 Ng4 23.Nc4 (23.Bh7?! f5 24.Bf5 Ne3=) 23...Qd5 24.e4 Qh5 25.0–0 Kg8 26.Bf4 f6 27.Qa4 Nge5 28.Nce5 fe5 29.Ba6 Rc7? 30.Ne5!! Ne5 31.Be5 Bf8 32.Rf8! Kf8 33.Rb8 1–0. marekt (2485) – TheCypriot (2035), ChessWorld.net, 2003.

7.Qg3 Nf6 8.Qg7 Rg8 9.Qh6 Rg6 10.Qh4 Nc4 11.Qd4 Rg4 12.Qd1=.

7.Qg3 Nf6 8.Qg7 Rg8 9.Qh6 Rg6 10.Qh4 Bd7 11.e3=+.

7.Qg3 g6 8.Bf4 Bd6 9.Bd6+= Qd6 10.Qd6 cd6 11.e3 Nf6 12.Nd2 Nc4 13.Nc4+/– dc4 14.Bc4 Be6 15.Bd3 0–0 16.a4 Rac8 17.Ne2 Ng4 18.Be4 d5 19.Bb1 Rfe8 20.Ba2 Ne5 21.Kd2 Nc4 22.Bc4 dc4 23.f3 Rcd8 24.Nd4 Kg7 25.Rhe1 b6 26.a5+– ba5 27.Ra5 Rd7 28.e4 Red8 29.Rea1 f5 30.Ra7 Ra7 31.Ra7 Kf6 32.Ra6 Ke5 33.Re6 (33...Kf4 34.ef5 gf5 35.Rc6+–) 1–0. guest – Milan1986, internet, 2007.

4.Qd4 Nf6

5.Nd2 Be6 6.e3 Nc6 7.Bb5 Bd7 (8.Bc6 Bc6=; 7...Qd7 8.Bc6 Qc6 9.Ngf3=+) =. SweeneyTod – MickeyMouse, ChessWorld.net, 2002.

5.e3 Nc6 6.Bb5 Bd6 7.Nd2 a5 8.a4 Bd7 9.Bc6 bc6 10.Nb3 ab4 11.cb4 Qe7 12.Bb2 Bb4 13.Bc3 Bd6 14.Ne2 c5 15.Qd1 0–0 16.0–0? Ba4 17.Ra4 Ra4 18.Bf6 Qf6 19.Qd5 Rd8 20.Qh5 Rh4 21.Qf3 Bh2 22.Kh1 Bg3 23.Kg1 Rh1 (24.Kh1 Qh4 25.Kg1 Qh2#) 0–1. Harismuha – marekt, ChessWorld.net, 2004.

5.e3 Bd6 6.Bb2 Nc6 7.Bb5 Bd7 8.Bc6 Bc6 9.Nf3 0–0 10.0–0 Re8 11.Qd1 Bd7 12.Nbd2 c6 13.a3 Qc7 14.c4= Be7 15.Rc1 dc4 16.Nc4 Be6 17.Be5 Qd7 18.Qc2 Red8 19.Rfd1+= Qe8 20.Ng5 Rd1 21.Rd1 Bc4 22.Qc4 Nd5 23.Nf3 Rd8 24.Qc2 Bf6 25.Bd4 ˝–˝. Harismuha – gobo, ChessWorld.net, 2005.

5.Qe5 Be6 6.Qg5 Nc6 7.b5 h6 8.Qe3 Ng4 9.Qg3 Bd6 10.Bf4 Bf4 11.Qf4 Nce5 12.h3 Ng6 13.Qb4 N4e5 14.g3 a5 15.ba6 Ra6 16.Qb7 Rb6 17.Qa7 0–0 18.Nd2 d4 19.Qa5 Qd5 20.Qd5 Bd5 21.cd4 Bh1 22.de5 Ne5 23.f4 Nd7 24.a4 Bd5 25.a5 Rb4 26.a6 Re8 27.a7 g5 28.fg5 hg5 29.Kf2 Rb6 30.Ngf3 f6 31.e4+/– Ba8 32.Ra5 c5 33.Ke3 Rd6 34.Bb5 Re7 35.Ra3 Nb6 36.e5 Nd5 37.Kf2 fe5 38.Ne4 Rb6 39.Bc4 Rb2 40.Ke1 Kg7 41.Bd5 Rb1 42.Kd2 Bd5 43.Nfg5 Re8 44.Nc5 Rb2 45.Ke3 Rc2 46.Nge6 Kf7 47.h4?? Rg8+= 48.Ng5 Rg5 49.hg5 Rc5 50.a8R Ba8 51.Ra8 Kg6 52.Rg8 Kf7 53.Rh8 Kg6 54.Ke4 Kg5 55.Ra8 Rc6 56.Ke5+/– Rf6 57.Rg8 Rg6 58.Rg6 Kg6 59.Kf4 Kf6 60.g4 Kg6 61.g5 Kg7 62.Kf5 Kf7 63.g6 Kg7 64.Kg5 Kg8 65.Kg4 Kg7 66.Kf5 Kg8 67.Kg5 Kg7 68.Kh5 Kg8 69.Kh6 Kh8 70.g7 Kg8 71.Kg6 ˝–˝. SmarThink – chop, computer chess game, 2002.

5.Qe5 Be7 6.Bf4 c5 7.bc5 0–0 8.Qc7 Qc7 9.Bc7 Na6 10.Bd6 Re8 11.e3 Nc5 12.Be7 Re7 13.Nd2 Na4 14.Rc1 Rc7 15.Ne2 Bd7 16.Nb1 Bf5 17.g3 Be4 18.Rg1 Ng4 19.Bg2 Nh2 20.Nd2 Nc5 21.Nf4 Bg2 22.Rg2 Ng4 23.c4 dc4 24.Rc4 Ne5 25.Rd4 Na6 26.Ke2 Rc2 27.a3 Ra2 28.a4 Nc6 29.Rd5 Ncb4 30.Rd4 Nc6?? 31.Rd5 Ra4 32.Rg1 Ra2 33.Nd3 Rc8 34.Rc1 Nc7 35.Rd7 a5 36.f4 f6 37.e4 Ra3 38.Nc4–/+ Ra2 39.Nd2 Kf8 40.Ke1 a4 41.Nc5 Ne8 42.Nb7 a3 43.Nd6 Rd8 44.Rd8 Nd8 45.Nb5 Ne6 46.Ke2 Rb2 47.Na3= Nd4 48.Kd1 Rd2 49.Kd2 Nb3 50.Kd1 Nc1 51.Kc1 Nd6 52.e5 Ne4 53.Nb5 Ke7 54.Nd4 Ng3 55.Kd2 Nh5 56.Ke3 g5 57.fg5 fe5 58.Nf5 Kf7 59.Kf3 Nf4 60.Ke4 Kg6 61.Ke5 Kg5 62.Ng7 Ng6 63.Kd6 h6 64.Ke6 Nh8 65.Ke7 Ng6 66.Ke6 Nh4 67.Ke5 Nf3 68.Ke4 Nd2 69.Kd3 Nb3 70.Ke4 Nc5 71.Kd5 Nd7 72.Kd6 Nf6 73.Ke5 Nd7 74.Kd6 Nb8 75.Ne6 Kg4 76.Nc5 h5 77.Ke5 h4 78.Ne4 Nd7 79.Kd4 Kf3 80.Ng5 Kg4?? 81.Ne4 Kf4 82.Nf2 Ne5 83.Kc3 Kg3 84.Ne4 Kg2 85.Kd4?? h3 86.Ke5 h2 87.Kd4 h1Q 88.Nc5 Kf3 89.Ne6 Qh5 90.Nc5 Qf5 91.Nd3 Qe4 92.Kc3 Ke3 93.Nb4 Qd4 94.Kb3 Ke4 95.Nc2 Qd3 96.Kb2 Qc4 97.Na3 Qb4 98.Ka2 Kd3 99.Nb1 Kc2 100.Na3 Kd2 101.Ka1 Kc1 102.Nc4 Qb1 0–1. SmarThink – leila_041i, computer chess game, 2002.

5.Nf3 Nc6 6.Qd1 Bd6 7.Bg5 Ne5 8.Bf6 Nf3 9.ef3 Qf6 10.Qd5 0–0 11.Bd3 Re8 12.Be4 c6 13.Qh5 g6 14.Qa5 Bh3 15.Kf1 Re4! 16.fe4 Qf3 17.gh3 Qh1 18.Ke2 Qe4 19.Kf1 Qh1 20.Ke2 Re8 (21.Kd2 Bf4 22.Kc2 Re2 23.Nd2 Rd2 24.Kb3 Qa1 25.b5 b6 26.Qa4 Be5 27.Qc4 Qa2 28.Kb4 Bd6 29.Qc5 Bc5#) 0–1. b4_player (2200) – gaggga (2280), GameColony.com, 2003.

5.Nf3 Nc6 6.Qd3 Bd6 7.Bg5 0–0 8.b5 Ne5 9.Ne5 Be5 10.Nd2 Re8 11.h3 a6 12.ba6 b6 13.a7 h6 14.Bf6 Qf6 15.Rc1 Ra7 16.Qb5 Rd8 17.Qb2 Be6 18.Nf3 Rda8 19.Ne5 Ra2 20.Qb4 R8a4 21.Qb5 Qf4 22.Rd1 Qe5 23.Qd3 d4 24.Rc1 Bf5 25.Qd1 d3 26.e3 Qb5 27.Bd3 Bd3 28.Rb1 0–1. COMP – COMP, 2002.

5.Nf3 Be7 6.e3 0–0 7.Be2 Bf5 8.0–0 Nc6 9.Qd1 a6 10.Nbd2 Qd6 11.Bb2 Ng4 12.a3 Bf6 13.Qb3 a5 14.Rad1 Rfd8 15.h3 Nge5 16.e4 Bg6 17.Ne5 Ne5 (17...Be5!? 18.ed5 a4+=) 18.f4+/– Qb6 19.Kh1 Qe3 20.fe5 Be5 21.Nf3 Be4 22.Bd3 Bd3 23.Rfe1 Be2 24.Rd2 Bc4 25.Re3 Bb3 26.Re5 ab4 27.cb4 Re8 28.Rg5 g6 29.Re5 Re5 30.Ne5 Rd8 31.Rf2 d4 32.Rd2 f6 33.Ng4 Kf7 34.Bd4 Be6 35.Nh6 Ke8 36.Kg1 f5 37.Kf2 b5 38.g4 fg4 39.hg4 Rd6 40.Kg3 Ra6 41.Rd3 Rd6 42.g5 Rd5 43.Kh4 Kd7 44.Ng4 Bg4 45.Kg4 Kd6 46.Bc5 Kc6 47.Rh3 Rd7 48.Rc3 Kb7 49.a4 ba4 50.Ra3 Kc6 51.Ra4 Kd5 52.Ra7 Kc6 53.Kf4 Rd1 54.Ra5 1–0. marekt – techtrading, ChessWorld.net, 2003.

5.Bg5 Nc6 6.Qe3 Be6 7.Nf3 h6 8.Bh4 g5 9.Bg3 Ne4 10.b5 Bc5 (10...Ng3 11.hg3 Na5 12.Nbd2=+) 11.Qd3 Bf5 12.Qd1 Ne7 13.e3 f6 14.Nbd2 Nc3 (Better is 14...h5!? 15.Ne4 de4–/+ (15...Be4?! 16.h3=+)) 15.Qb3= Ne4 16.Ne4 Be4 17.Nd2 Bg6 18.Qc3 Bd6 19.Qf6 Rf8 20.Qc3 Qd7 21.Bd6 Qd6 22.Rc1 0–0–0 23.Be2 d4 24.ed4 Nd5 25.Qc5 Nf4 26.Bf1 Qe6 27.Kd1 Nd5 28.Nf3 Qe4 29.Nd2 Qf4 30.Nf3? g4 31.Qa7 gf3 32.g3 Nc3!! 33.Rc3 Rd4 34.Bd3 Qd6 35.Qa3 Bd3 36.Kc1 Qa3 37.Ra3 Rf5 38.Rd1 Rc5 39.Kb2 Rb5 40.Rb3 Rbd5 41.Rc3 c5 42.a4 Kc7 43.h3 Kc6 44.Ka3 Be4 45.Re1 Rd8 46.Re4 Re4 47.Rf3 Rb4 48.a5 Ra8 49.Rb3 Ra5 50.Kb2 Rb3 51.Kb3 Ra1 52.Kb2 Rf1 53.f4 Rf3 54.g4 Rf4 55.Kc2 0–1. NN – Fritz 6, 2003.

5.h3 Nc6 6.Qd1 Ne4 7.a3 Be7 8.Nf3 Bf6 9.Bb2 0–0 10.e3 Ne5 11.Ne5 Be5 12.g3 Qf6–+ 13.Bg2?? Qf2# 0–1. narendras – pierre (2070), internet, 2007.

5.Bg5 Be7

6.Na3 Nc6 7.Qd3 Ng4 8.Qg3?? Bg5–+ 9.Nb5 a6 10.Nc7–/+ Kf8 11.Na8 Be6?? 12.h3?? Nge5?? 13.h4?? Bf6–+ 14.f3 Qa8 15.Nh3 d4 16.Ng5 dc3 17.Ne6 fe6 18.Rc1 Nb4 19.Rc3 Na2 20.Rc2 Nb4 21.Rc5 a5 22.f4? Nec6 23.f5 e5 24.h5 a4 25.Rc3?? Qa5 26.e4 Na2 27.Kd2 Nc3 28.Qc3 Bg5 29.Kd3 Nb4 30.Ke2 h6 31.Qc8 Qd8 32.Qb7 Qd2 33.Kf3 Qe3 (34.Kg4 Qf4 35.Kh3 Qh4) 0–1. numbat (1825) – howard (1850), net–chess.com, 2004.

6.e3 c5 7.bc5= Nc6 8.Qd3 0–0 9.Nf3 Ne4 10.Be7 Qe7 11.Qd5 Rd8 (Exerts pressure on the isolated pawn) 12.Qb3 Be6 13.Qb2 Qc5 (The isolani on c3 becomes a target) 14.Nd4 (14.Qb7?? Nc3 15.Nbd2 Rab8 (15...Na2 16.Qb5 Qc3 17.Rd1–+; 15...Ba2?! 16.Qb2 Rab8 17.Qc1–/+) 16.Qb8 Rb8–+) 14...Nd4 15.cd4 Qa5 16.Nd2 Rac8 17.Bd3 Bf5 18.f3+= Nc3 19.Nb3+/– Qb4? 20.a3+– Qe7 21.Bf5 Qe3 22.Kf1 Na4 23.Qa2 Rc3 24.Re1 1–0. guest473 – guest1284, ICC, 2003.

6.e3 Nc6 7.Qd1=+.

6.Nf3 Ne4 7.Qg7 Ng5 8.Ng5 Bf8 9.Qf7 1–0. guest2128 – guest2043, ICC, 2003.

6.g3 Nc6–+ 7.Qe3 (7.Qd3 Ne5 8.Qd4 h6–+) 7...0–0 8.Bg2 Re8 9.Qf3? (9.Qd2 Bg4 10.Nf3–+) 9...a5 10.b5 (10.Bf6 Bf6 (10...gf6?! 11.b5 Ne5 12.Qd5–/+) 11.b5 Nb4–+) 10...Ne5 11.Qf4 (11.Qe3 Bc5!! 12.Qd2 h6–+) 11...Ba3!! 12.Qd4 (12.Na3 Nd3 Double attack) 12...Bb2 13.f4 (13.Nf3 c5 14.Bf6 Qf6 15.Qd5 Ba1–+) 13...Neg4 (13...Ba1 14.fe5 h6 15.Bh4–/+) 14.Bf6 Qf6 15.Qf6 Nf6 16.Nf3 Ba1 17.0–0 (17.Nd4 a4–+) 17...Re2 18.Nd4 (18.a3 Bd7–+) 18...Ra2 19.Nb3 a4 20.Na1 Ra1 21.Rd1 Bf5 (21...a3 22.Kf2 Bg4 23.Na3 Bd1–+) 22.Rd4 Rb1 23.Kf2 Rb2 24.Kg1 a3 25.h4 a2 26.Bd5 a1Q 0–1. spglenn – vishm (2195), gameknot.com, 2015.

3.d4 Nd7

4.de5 Ne5 5.Nf3 Nf3 6.ef3 Nf6 7.Bd3 Be7 8.0–0 0–0 9.Re1 c6 10.Be3 Be6 11.Bd4 Nd7 12.Qc2 g6 13.Bg6 hg6 14.Re6 Bf6 15.Bf6 Nf6 16.Re1 Qd6 17.Nd2 a5 18.ba5 Ra5 19.c4 Rfa8 20.Nb3 Ra3 21.c5 Qf8 22.h3 R3a4 23.Red1 Rc4 24.Qd2 Nd7 25.Rdb1 Qe7 26.Na5 Rc5 27.Nb7 Rc4 28.Na5 Rc5 29.Nb3 Rc4 30.Re1 Qf6 31.Rac1 Ne5 32.Rc2 Rc2 33.Qc2 Nc4 34.Re2 Kg7 35.Qd1 Nd6 36.Nc5 Nb5 37.Rc2 Qd4 38.Qc1 Qf6 39.Nd7 Qd6 40.Nb6 Re8 41.Rc6 Qe5 42.f4 Qe1 43.Qe1 Re1 44.Kh2 d4 45.a4 d3 46.ab5 d2 47.Rd6 d1Q 48.Rd1 Rd1 49.Na8 Rb1 50.Nc7 Kf8 51.Kg3 Ke7 52.f5 Kd6 53.Ne8 Ke7 54.fg6 fg6 55.Nc7 Kd7 56.Nd5 Rb5 57.Nf4 Rb6 58.h4 Rd6 59.h5 g5 60.Nh3 Rd5 61.h6 Ke6 62.h7 Rd8 63.Ng5 Kf6 64.f4 Re8 65.Kh4 Kg6 66.Kg4 Ra8 67.g3 Rc8 68.Kf3 Kg7 69.f5 Rh8 70.f6 Kf6 0–1. guest942 – guest595, ICC, 2003.

3.d4 e4

4.e3 a5 5.Na3? ab4–+ 6.Qa4?? (Better is 6.Nb1–+) 6...Ra4 7.Nb5 bc3 8.Nc3 Bb4 9.Bb5 Bd7 10.Ba4 Bc3 11.Bd2 Ba1 12.Bd7 Qd7 13.Nh3 Qg4 14.0–0 Bb2 15.Rb1 Ba3 16.Rb7 Qd1 0–1. voyamatar – cwm, Live Game Caissa's Web, 2004.

4.e3 a5 5.Qa4 Bd7 6.b5 b6 7.Qb3 c6 8.a4 Qc8 9.g3 Nf6=+ 10.h3 g5 11.g4 h5–/+ 12.f4 Ng8 13.fg5 hg4 14.h4 Bd6 15.Ne2 g3 16.Bg2 Bg4 17.Nf4 Bf3=+ 18.Rf1?? Rh4 19.Bf3? Bf4 20.Be4 Be3! 21.Be3 Re4 22.Rf3 Qg4 23.Ke2?? Qg5 24.Na3 Qh5 25.Rg1 Qh2 26.Kd3 Re3?? 27.Re3+– Kf8 28.Reg3 Nf6 29.bc6 Nc6 30.Qb6 Ne4?? 31.R3g2 Qh6?? 32.Nc4 Rb8?? 33.Qc7 Qh3? 34.Ne3 Rb3 35.Rg8# 1–0. kausca12 – Ghosty Square, internet, 2007.

4.e3 a5 5.Qa4 Nd7 6.Ba3 =+.

4.e3 a6 5.Qb3 Nf6 6.b5 ab5 7.Bb5 c6 8.Be2 Bd6 9.c4 dc4 10.Bc4 0–0 11.Ne2? (better is 11.Qc2–/+) 11...b5–+ 12.Bb5 cb5 13.Qb5 Ba6 14.Qb2 Be2 15.Ke2 Nc6 16.Qb7 Nb4 17.Qb5 (17.Nd2–+) 17...Nc2 (worse is 17...Ra2 18.Ra2 Na2 19.Qa4–+; worse is 17...Na2 18.Ba3 Ra3 19.Qb2–+) 18.Qb2 Na1 19.Qa1 Ra4 (better is 19...Qc8!? 20.Nd2 Qg4 21.Ke1 Qg2 22.Rf1–+) 20.Nc3 Ra5 21.a4 Qa8 22.Rd1 Bb4 23.Bd2 Bc3 24.Bc3 (24.Qc3 Ra4 25.Qc7–+) 24...Ra4 25.Qb2 (25.Qb1 Rb8 26.Bb2 Qa6 27.Ke1 Qa5 28.Kf1 Ra2–+) 25...Ra2 26.Rd2 Rb2 27.Bb2 Nd5 (27...Rb8 28.Bc1 Qa4 29.f3 Qc4 30.Kf2 Qc1 31.Ra2–+) 28.g3 (28.Ke1 Rb8 29.Bc1 Qa1–+) 28...Rb8 29.h4 Qa6 30.Ke1 Qa2 31.Kf1–+ Rb2 32.Rb2 Qb2 33.Kg2 Qe2 0–1. maddoxdb – t_100imen, gameknot.com, 2013. (=1.c3 e5 2.e3 d5 3.d4 e4 4.b4 a6)

4.e3 a6 5.f3 Nf6 6.a3 Nh5 7.c4 Qh4–/+ 8.g3?? Ng3!–+ 9.hg3 Qh1 10.fe4 Qg1 11.Qe2 Qg3 12.Qf2 Qf2 13.Kf2 de4 14.Nc3 f5 15.Bg2 g5 16.Nd5 Bd6 17.Nf6 Kf7 18.Nd5 Be6 19.Nc7 Bc7 20.d5 Bd7 21.Bb2 Rg8 22.c5 h5 23.d6 Bd8 24.Rh1 h4 25.a4 Ba4 26.Bf1 Bd1 27.Bc4 Kg6 28.Bg8 Bf3 29.Bd5 Bh1 30.Bb7 h3 31.Ba8 f4 32.c6 Nc6 33.Bc6 h2 34.ef4 Bf3 35.d7 h1Q 36.Bb7 Qg2 37.Ke3 Bb6 38.Bd4 gf4 39.Kf4 Qg5 0–1. MC Q – Mengs, ChessWorld.net, 2004.

4.e3 Bd7 5.a4 Nf6 6.Ba3 Bd6 7.c4 c6 8.c5 Bc7 9.g3 b6 10.Bh3 bc5 11.dc5 a5 12.b5 cb5 13.ab5 Bb5 14.Ne2 Bc6 15.Nd4 Be5 16.Nc3 Na6 17.0–0 Bd4 18.Qd4 0–0 19.Rfb1 Nc7 20.Rb6 Ra6 21.Rab1 Rb6?? (better is 21...Qe8+=) 22.cb6+– Re8 23.bc7 Qc7 24.Qb6 Re7?? (24...Qb6 25.Rb6 Bd7 26.Rf6 Bh3+–) 25.Be7 (25.Be7 Qe7 26.Qc6+–) 1–0. dagr – erikerik, gameknot.com, 2009. (=1.c3 e5 2.d4 e4 3.e3 d5 4.b4 Bd7)

4.e3 Bd7 5.Qh5 Nf6 6.Qe5 Be7 7.h3 0–0–/+ (8.Be2 Nc6–/+) 0–1. kausca12 – bonka_z, internet, 2007.

4.e3 h5 5.Qa4 Bd7 6.b5 a6 7.Nd2 Ne7 8.Qb3 ab5 9.Bb5 c6 10.Be2 Qc7 11.a4 Rh6 12.c4 Qa5 (better is 12...Rg6!? 13.Kf1 h4=) 13.Qb7+= dc4 14.Bc4 Bc8 15.Qb3 Be6 16.Ne2 Na6 17.Qb7 (better is 17.0–0 Bd5 18.Nc3+–) 17...Rb8?? (better is 17...Nb4 18.Be6 Nd3 19.Kf1 Re6+=) 18.Qa6+– (worse is 18.Ba6 Rb7 19.Bb7 Bd5+=) 18...Qa6 19.Ba6 Nf5 (19...Nd5 20.0–0+– (20.Ne4?! Nb4+–)) 20.Ne4 Nh4 21.0–0 Rg6 22.Nf4 Rh6 23.Ng5 Bd6 24.Be2 (better is 24.Nfe6 fe6 25.a5 e5+–) 24...Bf4 25.ef4 Bd5 26.f3 f6 27.Ne4 Be4 (27...Nf5+–) 28.fe4 Ng6 (28...f5 29.e5+–) 29.f5 Ne7 30.a5 (30.Bh6 gh6 31.a5 h4+–) 30...Nc8 (30...Rh7 31.a6 Ra8 32.Ba3+–) 31.Bh6 gh6 32.Bh5 Ke7 33.a6 Ra8 34.Rfc1 Kd7 35.d5 (better is 35.e5 Na7+–) 35...cd5 36.Rc5 de4 (36...d4 37.Rd5 Nd6 38.Rd4+–) 37.Rd1 Ke7 38.Rc7 Kf8 39.Rd8 1–0. maddoxdb – murfmonkey, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.d4 e4 4.e3 h5)

4.Be3 a5 5.b5 Bd7 6.a4 c6 7.Qb3 Qc8 8.Bf4= Nf6 9.e3 Be7 10.Ne2 0–0=+ 11.Ng3 Be6 12.Bb8 Rb8 13.c4 Bb4 14.Kd1 Ng4 15.Ke2 f5 16.c5 f4 17.Nh5 f3 18.gf3 Rf3 19.Rg1 Rf2 20.Kd1 Qf8 21.Be2 Re2 22.Ra2 Nf2 23.Kc1 Nd3 24.Kd1 Qf2 25.Rg7 Kh8 26.Re2 Qf1 (27.Re1 Qe1 28.Kc2 Qc1) 0–1. nimmie – Bazza3, ChessWorld.net, 2005.

4.f3 Bd6 5.fe4 Qh4 6.Kd2 de4 7.Qe1 e3 8.Kd1 Qe4 9.Nf3 Bf5 10.Ne5 Qc2 0–1. shosan – marekt, ChessWorld.net, 2001.

4.f3 f5 5.Bf4 Bd6 6.Bd6 Qd6 7.e3 Nf6 8.c4 (8.Nh3!?+=) 8...Qb4 9.Nd2 (9.Qd2 Qe7–/+) 9...c6 (9...Qc3!? 10.Ke2 ef3 11.Kf3–+) 10.Nh3 Qc3 11.Kf2 0–0 12.Be2? (12.Qc1 Qb4–/+) 12...Ng4! 13.Kg3?? (13.fg4 fg4 Double attack) 13...Ne3 (13...Qe3?! 14.Nf1 Qa3 15.Qc1 Qd6 16.Qf4–+) 14.Qc1 f4! 15.Nf4 Nf5 16.Kg4 (16.Kf2 e3 17.Kf1 Qc1 18.Rc1 ed2–+) 16...Nd4 (16...Nd4 17.Kg3 Qe3 18.Ne4 Qf4 19.Qf4 Ne2 20.Kf2 Nf4–+ (20...de4?! 21.Qe4 Nf4 22.Rhd1+=)) 0–1. JohnTChance – retiarius, ChessWorld.net, 2012.

4.f4 Bg4 5.h3 Bd7 6.a4? Nf6 7.b5 a6 8.ba6–/+ Ra6 (9.g4 b5–/+) 0–1. Priya_4u – siliconbrains, internet, 2007.

4.Bf4 Be6 5.Qa4 Nd7 6.Qb5 Qc8 7.e3 a6 8.Qa5 b6 9.Qa4 b5 10.Qa5 Nb6 11.a4?? (11.Nd2!?=+) 11...ba4 (Better is 11...Bd7 12.Na3 Ne7 (12...ba4?! 13.c4–+; 12...Na4?! 13.Ne2–/+) 13.ab5 ab5 14.Nb5 Ra5 15.ba5 Na8–+) 12.f3 Nf6 (Better is 12...Ne7!? 13.Qc5 Ra7–+) 13.Nd2–/+ Be7 14.fe4 Ne4 15.Ne4 de4 16.Qe5 0–0 17.Qe4 Bh4 18.Bg3 Bg3 19.hg3 Bf5 20.Qf3 Bg6 (20...Qe6 21.Be2–/+) 21.Rh4 Qe6–+ 22.e4 f5 23.e5=+ Qb3 24.Be2? Qb2 25.Rd1 a3 26.Qe3 a2 27.Qc1 Qb3 28.Bf3 Rad8 29.Qa1 Bf7 30.Ne2 Nd5 31.Kf2 Ne7 32.Rdh1 h6 33.Re1 Ng6 34.Rh3 Be6 35.Nf4 Nf4 36.gf4 Rd7 37.Kg1 Bc4 38.Bd1 Qa3 39.Be2 Be6 40.d5! Bd5 41.c4 1–0. Fritz 6 – NN, 2003.

4.Bf4 Bg4 5.h3 Bh5 6.Qa4 c6 7.e3 Nd7 8.Ne2 Nb6 9.Qc2 Nc4 (Better is 9...Nf6!?=) 10.Ng3+/– Bg6 11.Bc4 dc4 12.Nd2 f5 13.Nc4 Nf6 14.0–0 Be7 15.Ne5 0–0 16.Qb3 Kh8 17.Qe6 Qd6?? (Better is 17...Qe8+/–) 18.Ng6+– hg6 19.Bd6 1–0. marekt (2265) – netplayer29 (2035), ICC, 2003.

4.g3 c6 5.Bg2 Bd6 6.Nd2 Nf6 7.f3 Qc7 8.e3 Bf5 9.Ba3 a5 10.fe4=+ Bg3! 11.Kf1 Bg4 12.Bf3 Bf3 13.Ngf3 Ne4 14.Ne4=+ de4 15.hg3 Qg3 16.Ne5+/– Qe3 17.Qg4 0–0 18.Qh4 h6 19.Rh3 Qd2 20.b5 Re8 21.Qe4 Nd7+/– 22.bc6 Ne5 23.cb7+– Rad8 24.de5 Rd5 25.Rb1 Rdd8 26.Bd6 Rd6 27.b8Q Rdd8 28.Qb3 (28…Qg5 29.Qb5+–) 1–0. FRITZ2 – Warzecha, bungspartie, 1993.

4.g3 Bd6 5.Na3 Bd7 6.Rb1 Nf6 7.c4 0–0 8.c5 Be7 9.Bg5 Ng4 10.Be7 Qe7 11.h3 Nf6 12.e3 b6 13.Qc1 Rd8 14.Ne2 Rc8 15.Nf4 a5 16.b5 Bf5 17.c6 Rd8 18.Nc2 Qd6 19.g4 Bc8 20.g5 Ne8 21.Qd1 Be6 22.Qh5 Qe7 23.Bg2 Nd6 24.h4 Nc4 25.g6 fg6 26.Qg5 Re8 27.f3 Nd6 28.fe4 de4 29.d5 Bf7 30.Qe7 Re7 31.Bh3 Nc4 32.Rf1 Ne5 33.Nd4 Ra7 34.Ke2 Nd3 35.Nde6 Nb4? (Better is 35...Ne5+–) 36.a3 Nd3 37.Nd3 ed3 38.Kd3 g5 39.hg5 Re8 40.e4 h5 41.gh6 Nc6 42.bc6 gh6 43.Rf6 Be6 44.Be6 Kg7 45.e5 Rf8 46.Rg1 Kh7 47.Bf5 Kh8 48.Rf8# (48.Rh6?!=) 1–0. orane (2180) – jonas11 (1750), Live Game Caissa's Web, 2004.

4.g3 Nf6 5.Bg5 a5 6.b5 c6 7.bc6 Nc6 8.Bg2 Bd6 9.f3 ef3 10.Nf3 0–0 11.0–0 h6 12.Bf6 Qf6 13.Nfd2 Qe6 14.e4 de4 15.Ne4 Qe4?? 16.Be4+– (16...Be6 17.Qf3+–) 1–0. Behrmann,Klaus – Waibel,Ulrich, compuserve, 1996.

4.h4 Nf6 5.h5 h6 6.f3 Be7 7.Rh4 0–0 8.g4 Qd6 9.f4? Ng4 10.Rg4 Bg4 11.c4 dc4 12.Nc3 Bh4 13.Kd2 Qd4 14.Kc2 Qg1 15.Ne4 Nc6 16.b5 Nd4 17.Kc3 Rad8 18.Kc4 Be6 19.Kd3 Nb5 20.Nd6 Rd6 21.Ke4 Nc3 22.Kf3 Qf2 (22...Qg3) 0–1. wonderhorse – chessprince, net–chess.com, 2004.

4.e3 c6

5.Qb3 Nf6 6.h3 a5 7.Ba3 ab4 8.Bb4 Nbd7 9.Bf8 Nf8 10.g4 Ne6 11.Be2 h5 12.f3? (Better is 12.gh5 b5 13.Nd2–/+) 12...ef3–+ 13.Bf3 hg4 14.hg4 Rh1 15.Bh1 Ng4 16.Ke2 (16.Nf3–+) 16...Qh4 17.Bf3 (17.Nf3 Qf2 18.Kd1 Ne3 19.Kc1 Qf1 20.Kd2 Nc4 21.Qc4 dc4 22.Ne1–+) 17...Qf2 18.Kd3 Nf4! 19.ef4 Bf5 20.Be4 Be4# 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

5.Nd2 Nf6 6.Be2 Bd6 7.Bb2 0–0 8.Qc2 Bf5 9.0–0–0 (9.a3!?–/+) 9...a5–+ 10.a4? (Better is 10.b5–+) 10...ab4 11.c4 Qa5 12.h3 (12.Nb3 Qa4 13.Kd2 Qa7–+) 12...Qa4 13.Qa4 Ra4 14.Nb3 dc4 15.Nd2 c3 16.Bc3 bc3 17.Nb3 Be6 18.Nd2 cd2 19.Rd2 Ra1 20.Kb2 Ra2 21.Kb1 Rd2 (22.Kc1 Ra2–+) 0–1. QnMove6 – Caissa, Live Game Caissa's Web, 2004.

5.Be2 Nf6 6.h3 Bd6 7.Nd2 Be6 8.g4 b5 9.Nb3 Nbd7 10.a3 Nb6 11.Nc5 Qc7 12.g5 Nfd7 13.Ne6 fe6 14.Bg4 0–0–0 15.Be6= Nc4 16.Ne2 Rde8= 17.Nf4 Bf4 18.Bd7 Kd7 19.Qg4 Kd8 20.Qf4 Qf4 21.ef4 e3 22.0–0 e2= 23.Re1 Re6 24.Ra2 Rhe8 25.f5 Re4 26.f3 R4e7 27.h4 Nd6 28.Kf2 Nf5+/– 29.h5 g6 30.Rae2 Re2+= 31.Re2 Re2 32.Ke2 Ng3 33.Kf2 Nh5 34.Kg2 Ng7 35.Kg3 Kd7 36.Kg4 Ke6 37.Bf4 Nf5 38.Bb8 a6 39.Ba7? Ne3–+ 40.Kf4 Nc4 41.Bc5 Na3–+ 42.Bf8 Nb1 43.Kg4 Nc3 44.f4 Ne4 45.f5?? gf5 46.Kf4 Nf2 47.Bh6 Nd3 48.Ke3 Nb4 49.Kd2 a5 50.Bf8 Na6 51.Kd3 b4 52.Kc2 Kf7 53.Bd6 Kg6 54.Bf4 c5 55.dc5 Nc5 56.Kb2 Nd3 (57.Kc2 Nf4–+) 0–1. dhub noire – Salvatore, ChessWorld.net, 2006.

5.f3 Bd6 6.Nd2 (Better is 6.f4!?–/+) 6...Qh4–+ 7.Ke2 b6 8.Qe1 Qe7 9.a3 (9.Kf2 a5–/+) 9...a5 10.fe4 Bg4 11.Ngf3? (Better is 11.Kf2 Qh4 12.g3 Bg3 13.hg3 Qh1 14.ba5 de4 15.Bg2–+) 11...de4 (11...ab4?! 12.e5 bc3 13.ed6 cd2 14.de7 de1Q 15.Ke1 Ne7 16.Bd2–/+) 12.Kf2 ef3 13.gf3 Qf6 14.Kg1 Bf3 15.Qf2 Qg5 16.Bg2 Bg2 17.Qg2 Qe3 18.Qf2 Qc3 19.Rb1 Nf6 20.Kg2 0–0 21.Re1 ab4 22.Ne4 Ne4 23.Re4 Qd3 24.Qe3 Qb1 25.Re8 Qc2 26.Kh3 Qh2 27.Kg4 f5 28.Kg5 Qh6# 0–1. Phoenix30 – Caissa, Live Game Caissa's Web, 2004.

5.g3 Nf6 6.h3 Bd6 7.g4 0–0 8.Be2 a5 9.Ba3 Qe7 10.Qb3 ab4 11.Bb4 Nbd7 12.Bd6 Qd6 13.g5 Ne8 14.f4 ef3 15.Bf3 Qg3–+ 16.Kf1 Nd6 17.h4 Nf5 18.e4 de4 19.Be4 Qf4 20.Bf3 Ng3 21.Kg2 Nh1 22.Kh1 Qh4 23.Kg2 Qg5 24.Kf2 Re8 25.c4 Qh4 26.Kg2 Re1 27.Qc3 Qg5 28.Kh2 Qg1 29.Kh3 Ne5 30.Kh4 Re4! 31.Be4 Qg4# 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

4.e3 Nf6

5.c4 Bb4 6.Bd2 Be7 7.c5 0–0 8.Ne2 b6 9.Bb4 Na6 10.a3 bc5 11.dc5 Nc5 12.Nd4 Bd7 (13.Nc3 Rb8–+) 0–1. Keelan,Martin J – Ross,John, TGT, 1998. Known even as "Klein,Heinz – Schandorff,Lars, Beijing, 1998". Which is correct?

5.Be2 Bd6 6.Nd2 0–0 7.Nf1 (7.Rb1 Be6+=) 7...a5 8.Bd2 ab4 9.cb4 Nc6 10.a3 Qe7 11.Bc3 Bd7 12.Nd2 b6 13.Bb5 (better is 13.Qc2!?–/+) 13...Nb4–+ 14.Bb4 Bb5 15.Bd6 Qd6 16.Qc1 (16.Qb3 Ra5–+) 16...c5 17.Qb2 Bd3 18.Ne2 Rfc8 19.Nc1 (19.dc5 bc5 20.Nf4 d4–+) 19...c4 (19...cd4!? 20.Nd3 de3 21.fe3 ed3 22.Qd4–+) 20.Nb1 Bb1 21.Qb1 (21.Rb1 Nd7–+) 21...Ra3 22.Ra3 Qa3 23.0–0 Qa5 (23...Rb8 24.Na2–+) 24.Na2 b5 25.Rc1 Ra8 26.Rc2 (26.Nb4 Qa3–+) 26...Ne8 (better is 26...b4 27.Rc1 Qa2 28.Qb4 Qb3–+) 27.g3 Nc7 28.Kg2 Qa3 29.Nc3 (29.Rb2 Kh8–+) 29...b4 30.Ne4 b3 (30...de4?! 31.Rc4 Qd3 32.Rb4–+) 31.Rc3 Qb4 32.Ng5 g6 33.Rc2 Nb5 34.Rb2 Nc3 35.Qe1 Ra2 36.Qd2 Rb2 37.Qb2 Na4 38.Qe2 c3 39.Qf3 Qb7 40.e4 h6 41.Nh3 b2 42.Nf4 de4 43.Qe3 b1Q 44.h4 Qd1 45.Nh3 Qbb1 (45...Qbb1 46.g4 c2 47.Kh2 c1Q 48.h5 Qe3 49.fe3 Qf3 50.Nf2 Qf2 51.Kh3 Qbf1#) 0–1. De la Rosa Lara,AA – Dominguez Garcia,F, Zaragoza La Salle op, 1994. (=1.e3 e5 2.c3 d5 3.d4 e4 4.b4)

5.g3 Bd6 6.h3 0–0 7.Bg2 Nc6 8.Ne2 Bd7 9.0–0 b6 10.a4 Ne7 11.b5 a6–+ 12.ba6 (12…Qc8 13.g4 Qa6 14.g5–+). Alviss – nitousche, ChessWorld.net, 2004.

5.h3 a5 6.a3 ab4–+ 7.a4 bc3 8.Nc3 Bb4 9.Bd2 Bc3 10.Bc3 Be6 11.Qb3 b6 12.Bb4 Nc6 13.Bb5 Bd7 14.Ne2 Nb4 15.Bd7 Qd7 16.Qb4 Rb8 17.a5=+ Qd6 18.Qd6 cd6 19.a6 Ra8 20.Nc3 Ke7 21.a7 Rhc8 22.Nb5 Rc2 23.0–0 Nd7 24.Rfc1+= Rc1 25.Rc1 Kd8 26.Rc7 Ke7? 27.Rc6?? Kd8 28.Rd6+– Ke7 29.Rd5 f6 30.Kh2 Ke6?? 31.Rd6 Ke7 32.Kg3?? Ra7+/– 33.Kf4 Ra5 34.Rd5 Ra2 35.Ke4 Rf2 36.g3 g6 37.Rd6 f5 38.Kd3 Rf3–/+ 39.g4 fg4 40.hg4= Rf1 41.Ke4 Rb1 42.Rd5?? Nf6–+ 43.Ke5 Nd5 44.Kd5 Rb5 45.Ke4 Ke6 46.Kf4 Rb1 47.e4 Rf1 48.Kg5 b5 49.d5 Ke5 50.Kh6 Ke4 51.d6 Rd1 52.Kh7 Rd6 53.g5 b4 54.Kg7 Kf4 55.Kf7 Kg5 56.Ke7 Rf6 57.Kd7 b3 58.Ke7 b2 (59.Ke8 b1Q 60.Ke7 Qb7 61.Ke8 Rf7 62.Kd8 Qd7#) 0–1. carletto – Ityke, internet, 2007.

5.h3 b6 6.f3 ef3 7.Nf3 Nbd7 8.Na3 Be7 9.Bb5 a6 10.Qa4 0–0 11.Bd3 Bb7 12.Qc2 c5 13.Ng5 g6 14.h4? c4 15.Bg6?? fg6 16.Ne6 Qc7?? (better is 16...Qb8 17.Nf8 Qg3 (< 17...Kf8 18.0–0–+) 18.Qf2 Qf2 19.Kf2 Ne4 (< 19...Rf8 20.Ke2–+) 20.Kg1 Rf8–+) 1–0. pinski – Conveyor, ChessWorld.net, 2005.

4.Bf4 a5

5.Qa4 Bd7 6.b5 Be7 7.e3 Nf6 8.Be5 0–0 9.Bf6 Bf6 10.Qb3 Bg4 (10...Be6 11.Ne2–/+) 11.a4 (11.c4 a4 12.Qc2 c5 13.bc6 bc6=+) 11...Qd6 (11...Be7 12.Ne2–/+) 12.h3 (12.c4 dc4 13.Bc4 c5 14.bc6 Nc6=) 12...Be6 13.Be2 (13.c4 c5 14.bc6 bc6–/+) 13...c5 14.Bg4 Nd7 15.Be6 fe6 16.g3 e5 17.Qa3 Be7 18.Ne2 Qf6 19.Rf1 c4 20.Qb2 Qf3 21.Ng1 Qg2 22.Nd2 Bg5 23.0–0–0 ed4 24.h4 Nc5 25.Kb1 Na4 26.Qc1 Nc3 27.Kc2 d3 28.Kb2 Bf6 29.Ka3 Nb5 30.Ka4 Nc3 31.Ka3 b5 32.f3 b4 33.Kb2 Nd1 34.Kb1 Nc3 35.Ka1 Ne2 36.Kb1 Nc1 37.Kc1 Bc3 (38.Rd1 Bd2 39.Rd2 Qg1 40.Rd1 Qf2 41.Rd2 Qe1 42.Rd1 Qc3 43.Kb1 Qc2 44.Ka1 b3 45.Rd3 Qc1#) 0–1. sueludad10 – Caissa, Live Game Caissa's Web, 2004.

5.Qa4 Bd7 6.b5 Be7 7.e3 Nf6 8.Be5 0–0 9.Bf6 Bf6 10.Ne2 c5 –/+.

5.Qa4 Bd7 6.b5 Be7 7.e3 Nf6 8.Be5 0–0 9.Bf6 Bf6 10.Ne2 c6 11.c4 dc4 12.Qc4 cb5 13.Qd5 Bc6 (13...Na6 14.Nbc3–/+) 14.Qd8=+ Rd8 15.Nd2 Na6 16.Nc3 Nb4 17.Kd1 Nd5 18.Nde4 Nc3 19.Nc3 b4 20.Nb5 (20.Ne2 Rac8=+) 20...Rac8 (20...a4 21.Rc1–/+) 21.Kd2 Be4 22.f3 Rc2 23.Kd1 Bg6 24.g3 b6 (24...a4 25.e4 Rb2 26.Ke1–/+) 25.h4=+ Rf2 (25...h6 26.Be2=+) 26.Be2= Rg2 27.Ke1 Bc2 28.g4 Ba4 29.Bf1 (29.Nc7!? Rd7 30.Rc1 Bd4 A) < 31.ed4 Re7 32.Ne6 Re6 (< 32...fe6 33.Kf1 Re2 34.Ke2+/–) 33.Rc8 Be8–/+; B) 31.Nd5=) 29...Rb2=+ 30.g5 Be7 31.Bd3 b3 32.ab3 Bb5 33.Bb5 Rb3 34.Bc6 Re3 35.Kf2 Rc3 36.d5 f6 37.f4 fg5 38.fg5 Rf8 39.Ke2 Rc2 40.Kd3= Rff2 41.Rhd1 Bc5 42.Rab1 Bb4 43.Rbc1 Rce2 44.Rf1 Rh2 45.Rh1 Rd2 46.Kc4 Bc5 47.Kb5 Rb2 48.Ka6 Rhd2 49.Rcd1 Rbc2 50.Rhe1 g6 51.Ba4 Rd1 52.Rd1 Rc4 53.Bc6 Kf7 54.d6 Rd4? 55.Rd4+– Bd4 56.Kb7 Bc5 57.d7 Be7 58.Kb6 Bd8 59.Kb7 Ke6 60.Ba4 Kd6 61.Kc8 Ke7 62.Bd1 Bb6 63.h5 gh5= 64.Bh5 a4 65.Bd1 a3 66.Bb3 Ba5 67.Bd5 Bd8 68.Bc4 Ba5 69.Bg8 Bd8 70.Bd5 Ba5 71.Ba2 Bd8 72.Bg8 Bb6 73.Kb7 Bd8 74.Kc6 Ba5 75.Bc4 Kd8 76.Kb5 Bd2 77.Ka4 Bg5 78.Ka3 Kd7 79.Ba2 h5 80.Bb1 Ke6 81.Ba2 Kf5 82.Bb1 Ke5 83.Ba2 h4 84.Bb3 h3 85.Ba4 Kd5 86.Bb3 Kd4 87.Ba4 h2 88.Bc6 Bf6 89.Ba8 Ke3 90.Bb7 Ke2 91.Ba6 Kf2 92.Bb7 Ke3 93.Ba8 Ke2 94.Bb7 Be5 95.Ba6 Kf2 96.Bb7 Ke2 97.Ba6 Kf2 98.Bb7 Ke2 ˝–˝. orane (2095) – Caissa (1890), Live Game Caissa's Web, 2004.

5.Qa4 Bd7 6.b5 Be7 7.e3 Nf6 8.h3 0–0 9.c4 Bb4 10.Nd2 c5 11.Rd1 cd4 (12.ed4 dc4 13.Bc4 Be6=+). ArnoldK – pierre, internet, 2007.

5.Qa4 Nd7 6.Nd2 =.

5.b5 Nf6 6.e3 Bd6 7.Bd6 Qd6 8.c4 Bg4 (8...0–0 9.c5 Qe7 10.Nc3=) 9.Qc2 c5 10.bc6 Nc6 11.c5 Qe7 (11...Qd8 12.Nc3=) 12.a3 0–0 13.Nc3 Rac8 (13...Rfc8 14.Rb1+=) 14.Qb3 Rfd8 15.Rb1 Rc7 16.h3 Be6 17.Nge2 h6 18.Nf4 g5 19.Nfe2 Nh5 20.Nb5 Rcd7 21.h4 g4 22.Qa4 Qf6 23.Nd6 Rb8 24.Rb6 g3 25.fg3 Qg7 26.Qc2 Bg4 27.Qb2 Be2 28.Nf5 Qg6 29.Qe2 Ng3 30.Ng3 Qg3 31.Qf2 Qf2 32.Kf2 f5 33.Ba6 ba6 34.Rc6 Rb2 35.Kg3 Rg7 36.Kf4 Rgg2 37.Rh6 Rb3 38.a4 Rf2 39.Ke5 Re3 40.Rg1 Rg2 41.Rg2 Kf7 42.Rh7 Kf8 43.Ke6 Rg3 44.Rg3 Ke8 45.Rh8# 1–0. orane – Caissa, 2003.

4.Bf4 Bd6

5.Bd6 Qd6

6.e3 a5 7.b5 a4 8.c4 dc4 9.Nd2 Qb4 10.Bc4 Nf6 11.Qc2 0–0 12.Ne2 Ng4 13.Rb1 Qd6 14.Ne4 Qh6 15.h3 Bf5 16.N2g3 Ne3 17.fe3 Qe3 18.Qe2 Qe2 19.Ke2 Bg6 20.b6 (20...cb6 21.Rb6+–) 1–0. Trkn – guest2616, ICC, 2004.

6.e3 f5 7.Qh5= g6 8.Qh4 Nf6 9.Ne2 0–0 10.Nf4 Nc6 11.a3 Nd8 12.c4 c6 13.Qg3 Kf7 14.cd5 cd5 15.Nc3 Be6 16.Be2 Rg8 17.Nb5 Qb8 18.Rc1 (18.Ne6?! Ne6 19.Rc1 a6=) 18...g5? (Better is 18...Ne8+/–) 19.Rc7+– (19.Ne6?! Ne6 20.Nd6 Ke7 21.Nf5 Kf8+–) 19...Qc7 20.Nc7 gf4 21.Qf4 Rc8 22.0–0 Ke7 23.Qe5 Kd7 24.Ne6 1–0. b4_player (2250) – Raspoutine (2235), GameColony.com, 2003.

6.e3 f5 7.Qh5 g6 8.Qh4 Nf6 9.Nh3 0–0 10.Nf4 Nc6 11.Nd2 Nd8 12.Be2 Ne6 13.Ne6 Be6 14.Nb3 b6 15.0–0 Nd7 16.Rad1 f4 17.f3 fe3 18.fe4 de4 19.Rf8 Rf8 20.Qe4 Bd5 21.Qe3 Nf6 22.Rf1 Ne4 23.Rf8 Qf8 24.c4 Bb7 25.Bf3 Qf5 26.b5 g5 27.d5 Nf6 28.Nd4 Qb1 29.Kf2 Qa2 30.Kg3 Bc8 31.Qg5 Kf7 32.Nc6 Qb2 33.Ne5 Ke7 34.Qg7 Kd6 35.Qf6 Kc5 36.Nd3 1–0. guest569 – guest1075, ICC, 2003.

6.e3 f5 7.Qh5= g6 8.Qh4 Nf6 9.Nh3 Nbd7 10.Nf4 Kf7 11.Nd2 Nb6 12.a3 Be6 (12...h6 13.Nh3=) 13.Nb3+= Na4 14.Rc1 h6 15.Ne6 Qe6 16.c4 g5 17.Qg3 c6 18.h4 g4 19.cd5 Nd5 20.Bc4 Nb2 21.Nc5 Qf6 (Better is 21...Qe7!? 22.Bd5 cd5+=) 22.Nb7+– Nc4 23.Rc4 Nb6? 24.Nd6 Kg6 25.Rc6 Rac8 26.Nc8 Qc6 27.Ne7 1–0. guest1196 – KINGSIZE (2035), ICC, 2003.

6.e3 h5 7.Ne2 (7.a3 Be6=) 7...g5 (7...Nf6 8.Nd2=) 8.Nd2 Nf6 9.h4 (9.a3 Be6=) 9...g4 10.a3 c6 (10...Be6 11.c4=) 11.c4 Nbd7 12.cd5 cd5 13.Rc1 Nb6 14.Qc2 Bd7 15.Qc5 Qe6 16.Qc7 Rc8 17.Qb7 Rc1 18.Nc1+/– 0–0 19.Be2 Bc6 20.Qa7 Na4 21.Qc7+– Nc3 22.Ncb3 Ne2 23.Nc5 Qe8 24.Ke2 Bb5 25.Ke1 Qc8 26.Qb6 Qb8 27.Qf6 g3 28.Qg5 Kh7 29.Qh5 Kg8 30.Qd5 gf2 31.Kf2 Qc8 32.Nce4 Qa6 33.Qg5 Kh8 34.Nf6 1–0. kamret (2185) – NBR (1800), GameColony.com, 2003.

6.e3 Be6

7.Qa4 Bd7 8.b5 c5 9.dc5 Qc5 10.Qd4 Qd4 11.cd4 Ne7 12.Nc3 b6 13.f3 f5 14.a4 Be6 15.Nh3 h6 16.a5 0–0?? (Better is 16...Nd7+=) 17.ab6 Nd7 18.ba7 (18.Ra7?! Kf7+–) 18...Nb6 19.Nf4 Bc8 20.Be2 (20.Ra2 Rd8 21.g4 Rd7 22.gf5 ef3+–) 20...g5 21.Nh5 Kh7 22.Rf1 Kg6 23.fe4 de4 24.g4 Bb7 25.Ng3 Nbd5 26.gf5 Kf7 27.Nge4 Ne3 28.Nd6 (28…Kg8 29.Nb7+–) 1–0. Marre – Zybelun, zagraj.pl, 2003.

7.Ne2 Nd7 8.Nf4 Bf5 (8...Ngf6 9.Be2=) 9.Qb3= Ne7 (9...Ngf6 10.c4 dc4 11.Bc4=) 10.c4 c6 11.Nc3 Nb6?? (Better is 11...0–0=) 12.c5+– (12...Qf6 13.cb6 ab6 14.b5+–) 1–0. kamret (2185) – NBR (1805), GameColony.com, 2003.

7.Ne2 Nd7 8.Nf4 g6 9.Nd2 f5 (9...Ngf6 10.Be2=) 10.Nb3 Ngf6 11.Nc5 b6?? (Better is 11...Nc5 12.bc5 Qd7+=) 12.Nce6+– (12.Nfe6?! bc5 13.Nc5 0–0+/–) 12...g5 13.Ng5 0–0–0 14.Nf7 Qc6 15.Ba6 Kb8 16.c4 Rdf8 17.Nh8 dc4 18.d5 Qd6 19.a3 Nc5 20.bc5 Qc5 21.Qa4 Nd5 22.Ne6 Nc3 23.Qd7 Qe5 24.Nf8 (24...Qe6 25.Qd8 Qc8 26.Qc8#) 1–0. Trkn – guest1261, ICC, 2004.

7.Ne2 Ne7 8.Nf4 =.

6.e3 Nf6

7.a3 0–0 8.c4 a5 (8...Bg4 9.Qc2=+) 9.c5= Qe7 10.b5 b6 11.c6 Bg4 12.Be2 Be2 (12...Be6 13.Qa4=) 13.Ne2+= Ne8 (13...Qd6 14.Nbc3+/–) 14.Nf4+/– Qd6 15.Qh5 a4? 16.Qd5+– Qd5 17.Nd5 Nd6 18.Nbc3 Ra7 19.f3 ef3 20.gf3 Re8 21.Rg1 Nf5? 22.Nf6 1–0. guest488 – guest779, ICC, 2003.

7.a3 Bd7 8.c4 c6 9.Nc3 0–0 10.Qc2 a5 11.c5 Qc7 12.ba5 Ra5 13.Qb3 Na6 (13...Be6 14.Nge2=) 14.Rb1 Rb8 15.Nge2 Ng4 (15...Qd8 16.Ng3=) 16.Nf4 g5 (16...Nf6!?+=) 17.Nh5+/– Nh2? (Better is 17...Be6+/–) 18.Nf6+– Kh8 19.Qb6 Qb6 20.Rb6 Nf3 21.gf3 Bc8 22.Rh7# 1–0. orane (2170) – IIq (1770), Live Game Caissa's Web, 2004.

7.Qa4 Bd7 8.b5=+.

7.Nd2 0–0!?=+.

7.Nd2 b5 8.Bb5+/– c6 9.Be2 0–0 10.Rb1 a6 11.c4 Be6 12.Qa4 Bd7 13.Qa5 Bg4 14.Bg4 Ng4 15.Nh3 Nd7 16.Nf4 Rfb8 17.a4 g5 18.Ne2 f5 19.c5 Qf8 (19...Qe6!?+/–) 20.Qc7+– Nf2?? (20...Qc8 21.Qg3 Ndf6+–) 21.Kf2 f4 22.Qd7 fe3 23.Ke3 Rd8 24.Qc6 Rac8 25.Qa6 1–0. guest488 – Rickli, ICC, 2003.

7.Nd2 c6 8.a3 Be6 9.Be2 0–0 10.c4 Re8 11.c5 Qc7 12.Rb1 a6 13.Qc2 Nbd7 14.Qc3 Nf8 15.Qc2 Ng6 16.h4 Nd7 17.h5 Ngf8 18.h6 g6 19.Nh3 f5 (19...Bh3 20.Rh3 Ne6 21.Kf1=) 20.Nf4 Bf7 21.0–0 (21.Qc3 g5 22.Nh5 Bh5 23.Bh5 Re6=) 21...Nf6 (21...g5 22.Nh3 g4 23.Nf4=+) 22.Qd1 g5= 23.Nh3 Ne6 24.Kh1 f4 25.Bg4 Ng4 26.Qg4+= Qe7 27.ef4 Kh8 28.Ng5 Ng5? 29.fg5 Rg8 30.f4 ef3 31.Nf3 Be6 32.Qg3 Rg6 33.Kh2 Rag8 34.Qe5 1–0. b4_player (2200) – serginho2 (1820), GameColony.com, 2003.

4.Bf4 f5

5.Qa4 c6 6.e3=.

5.Qa4 Bd7 6.Qa5 Nf6 (6...c6 7.Qd8 Kd8 8.a3=) 7.Qc7 Qc7 8.Bc7 Na6 9.Be5 (9.Bf4 Rc8+=) 9...Rc8 (9...e3 10.fe3 Ng4 11.a3 Ne5 12.de5=) 10.a3+= Rc3?? 11.Nc3+– Ng4 12.Bf4 Nf6 13.b5 Nh5 14.Be5 Bb5 15.Nb5 Be7 16.e3 Kf7 17.Rb1 b6 18.Na7 Ba3 19.Ba6 Ra8 20.Be2 Ra7 21.Bh5 g6 22.Bd1 Rb7 23.Bb3 1–0. guest1396 – TeleStar (1730), ICC, 2003.

5.e3 Bd6 6.Bd6 Qd6 7.Qh5 g6 8.Qh4 Nf6 9.Ne2 Bd7 10.Nf4 Rg8 11.Qg5 Bc6 (11...a6 12.Be2=) 12.Nd2 Nbd7? (Better is 12...Ba4+=) 13.b5+– Bb5 14.Bb5 0–0–0 15.c4 Ng4 16.Nd5 (< 16.cd5 h6 17.Qd8 Rd8–/+) 16...h6 (16...Kb8 17.Bd7 h6 18.Qh4+–) 17.Qe7 (17...Rgf8 18.Qd6 cd6 19.Ne7 Kb8 20.Ng6+–) 1–0. orane (2165) – XPEH, Live Game Caissa's Web, 2004.

5.e3 Nf6 6.Nh3 Bd6 7.Bd6 Qd6 8.Nf4 0–0 9.Nd2 Be6 10.Be2 Nc6 11.0–0 Ne7 12.c4 c6 13.c5 Qd7 14.a4 Ng6 15.Ng6 hg6 16.f4 Kf7 17.b5 Rh8 18.Qe1 Rh6 19.bc6 bc6 20.Rb1 Rah8 21.h3 Qc8 22.Qg3 Nd7 23.Rb2 Qc7 24.Rfb1 Rb8 25.Rb8 Nb8 26.Rb4 Rh8 27.Nb3 Bc8 28.Na1 Ba6 29.Bd1 Bd3 30.Bc2 Na6 31.Rb2 Bc2 32.Nc2 Rb8 33.Rb8 Qb8 34.Qe1 Qb3 35.Qa5 Qc2 36.Qa6 Qc1 37.Kh2 Qe3 38.Qa7 Kg8 39.Qc7 Qd4 40.Qc6 e3 41.Qg6 Qf4 42.Qg3 Qe4 43.c6 e2 44.c7 Qe8 45.Qc3 Qc8 46.a5 d4 47.Qc4 Kh8 48.Qc1 d3 49.a6 e1Q 50.Qe1 Qc7 51.Kh1 ˝–˝. guest2223 – guest1671, ICC, 2003.

5.e3 Nf6 6.Nh3 Bd6 7.Be2 0–0 8.0–0 c6 (8...Bf4 9.Nf4 g5 10.Nh3=+) 9.Qd2 (9.Nd2 b6=) 9...Nbd7?? (Better is 9...Bf4 10.ef4 a5=) 10.Bd6+– 1–0. b4_player (2185) – knightpusher (1970), GameColony.com, 2003.

5.Qa4 c6 6.e3 Nf6 7.Be2 b5 8.Qa3 a5 9.Nd2 Bb7 10.Qb2 Na6 (10...ab4 11.cb4 Bd6 12.Nh3=) 11.a4 ab4 12.ab5 bc3 13.Qc3 Nb4 14.Ra8 Qa8 15.bc6 Bc6 16.Nh3 Be7 17.0–0 0–0 18.Rb1 Qa4 (18...Rc8 19.Ra1 Qb7 20.Ra5=+) 19.Nb3 Nd7? 20.Ra1+– Na2 21.Qc2 Ra8 22.Ra2! Qa2 23.Qc6 Nf6 24.Be5 Rd8? 25.Qe6 Kh8 26.Qe7 1–0. marekt (2200) – chesshorse10 (1810), ICC, 2003.

4.Bf4 Nf6

5.Na3=+.

5.Nd2 Nc6 6.e3 g6 7.Be2 Bg7 8.b5 Na5 9.Qa4 b6 10.c4 Be6 11.Be5 0–0 12.cd5 Bd5 13.Rc1 Rc8 14.Nh3 Qd7 15.Nf4 a6 (15...c6 16.0–0+=) 16.Nd5 Nd5 17.Bg7 Kg7 18.Ne4 Rfe8 19.Nc3 Nc3 20.Rc3 Qd5 21.0–0 (21.ba6?! Qg2 22.Rf1 Qh2+=) 21...Qd7 22.Rfc1 Re4 (Better is 22...Re7+–) 23.Qc2 Re7 24.ba6 Qd6 25.Bf3 (25...Qf6 26.Rb1+–) 1–0. b4_player (2240) – JJ_86, GameColony.com, 2003.

5.Nd2 g6 6.e3= Bg7 7.c4 0–0 8.Qc2 Nh5 9.Bg3 Ng3 10.hg3 c6 11.Rc1 Nd7 12.cd5 cd5 13.Ne2 Nb6 14.Qc7 Bd7 (14...a5!?=) 15.Qb7+/– Bb5 (15...a5 16.ba5 Ra5 17.Nc3+/–) 16.Rc5 Rb8 17.Qa7 Nc4?? 18.Nc3+– Ra8 19.Qc7 Qc7 20.Rc7 Nd2 21.Bb5 Nc4 22.Bc4 dc4 23.Rc4 Rfc8 24.Rc8 Rc8 25.Kd2 f5 26.b5 Bf8 27.Rb1 Kf7 28.b6 Ke8 29.b7 Rb8 30.a4 Kd8 31.a5 Kc7 32.a6 1–0. guest488 – jon_c (1865), ICC, 2003.

5.Nd2 Nh5!? 6.Be3 Bd6=+.

5.e3 a6 6.Nd2 Be7 7.a3 0–0 8.c4 Be6 9.Rc1 Nc6 10.b5 Ba3 11.bc6 Bc1 12.Qc1 bc6 13.Ne2 Qb8 14.Bg5 Qb4 15.Bf6 gf6 16.f3 dc4 17.fe4 Bg4 18.Nc3 Rfe8 19.Bc4 f5 20.0–0 Qd6 21.ef5 Qf6 22.Rf4 Bf5 23.Nf3 Qg6 24.Nh4 Qg5 25.Nf5 1–0. marekt (2420) – Pancho Villa, ChessWorld.net, 2003.

5.e3 b6 6.a3 c5 7.dc5 bc5 8.Be5 Nbd7 9.Bb5 Bb7 10.Nd2 a6 11.Ba4 Be7 12.bc5 Bc5 (12...0–0 13.Bf6 Nf6 14.c6=) 13.Bf6 Qf6? (Better is 13...gf6!? 14.Ne2 Rb8=) 14.Bd7+/– Kd7 15.Ne4 Qe7 16.Qg4+– Kc7 17.Nc5 Qc5 18.Qg7 Rhf8 19.Ne2 Qc4 20.Qh7 a5 21.Qg7 Ba6 22.Nf4 Rae8 23.h4 Qf4+= 24.Qd4 Qd6 25.h5+= Re6 26.Rd1 Bb7 27.Rb1 Qa3 28.h6 Qa2 29.Qc5 Bc6 30.Rd1 Rh8 31.h7 Qc2 32.Qa5 Kd7 33.c4 Ba4?? 34.Rd5+/– Ke7? 35.Qc5 Kf6 36.Rh6 Kg7 37.Re6 fe6 38.Qe7 Kg6 39.Rg5 Kh6 40.Qg7# 1–0. guest1196 – KINGSIZE (2035), ICC, 2003.

5.e3 Bd6 6.Bd6 Qd6 7.Nd2 0–0 8.Qc2 Bg4 9.c4 c6 10.a3 a6 11.Ne2 Nbd7 12.c5 Qc7 13.Nf4 b6 (13...a5!? 14.b5 cb5+=) 14.cb6 Nb6 15.h3 Bd7 16.Nb3 a5 (16...Rfb8!?+=) 17.Na5+/– Ne8 18.Be2 Nd6 19.0–0 Nb5?? (Better is 19...Nf5 20.Qc1 Rfb8+/–) 20.Bb5 g5 21.Nh5 Bh3 22.gh3 f5 23.Qc6 Qf7 24.Qb6 Qh5 25.Bc6 g4 26.Bd5 Kh8 27.Ba8 gh3 28.Kh2 Qf3 29.Rg1 Qf2 30.Kh3 Qf3 31.Rg3 Qh5 32.Kg2 Qe2 33.Kg1 h5 34.Qh6# 1–0. orane (2130) – DrNO, Live Game Caissa's Web, 2004.

5.e3 Be7 6.Be2=+.

5.e3 Ng4 6.Be2 Nf2 (Better is 6...Qd7!?=) 7.Kf2+/– Be7 8.Qa4 Bd7 9.Qa5 b6? 10.Qd5 0–0 11.Qa8 Bc6 12.Qa7 Bd6 13.Nh3 Bf4 14.Nf4 Qf6 15.Kg1 b5 16.Qc7 Na6 17.Qb6 Nb8 18.d5 (18...Bd7 19.Qf6 gf6 20.a4 ba4 21.c4+–) 1–0. Trkn – guest496, ICC, 2004.

3.e3 a5

4.Na3 ab4–+ 5.cb4 Bb4 6.Nb5 Nc6 7.g4? (7.Bb2 Nf6–+) 7...h5 (7...Nf6 8.Bb2–+) 8.f3? (Better is 8.g5–+) 8...hg4 9.fg4 (9.Qe2–+) 9...Qh4 10.Ke2 Bg4 11.Kd3 (11.Nf3 e4 12.Bg2 ef3 13.Bf3–+) 11...Qh7 12.e4 Qe4 0–1. Darkcrawler – Caissa, Live Game Caissa's Web, 2004.

4.Qa4 Bd7 5.Bb5 c6 6.Be2 b5 7.Qd1 ab4 8.cb4 Bb4 9.Nf3 e4–+ 10.Nd4 Qf6 11.0–0 c5 12.Nc2 Ba5 13.f3 Qa1?? 14.Na1+– 1–0. felippe (2100) – malaysianisme, net–chess.com, 2003.

4.Qa4!? Nd7 5.d4 =+.

4.ba5 Ra5 5.a4 b6 6.d4 Nd7 7.Nf3 e4 8.Ne5 Ne5–/+ 9.de5 c6 10.f3 ef3 11.gf3 Qh4 12.Kd2 Bc5 13.Rg1?? Qf2 14.Kd3 Ba6 15.c4 Bc4 16.Kc3 Qg1 (17.Nd2 Qe3 18.Kc2 Bf1 19.Nf1 Qe5–+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.Qb3 ab4 5.cb4 Nf6 6.Bb2 –/+.

4.Qb3 c6 5.b5=+ a4 6.Qb2 Nf6 7.f3 Nbd7 8.d4 Be7 9.Na3 Qa5 10.Bd2 0–0 11.c4 Qc7 12.c5 ed4 13.ed4 b6 14.Bd3 bc5–+ 15.dc5 Qe5 16.Qe5 Ne5 17.Bf1 Bc5 18.bc6 Re8 19.Nc2 Nf3 20.Kd1 Nd2 21.Kd2 Ne4 22.Ke2 Nf2 23.Kf3 Bf5 24.Bb5 Be4 25.Kg3 Nh1 26.Kh3 Nf2 27.Kg3 Re6 28.Rb1 Rg6 29.Kf4 Rg4 30.Ke5 Re8# 0–1. PlanIt – Caissa (1865), Caissa's Web, 2006.

4.b5 Bd6 5.Bb2 Be6 6.Nf3 Nd7 7.Be2 b6 8.0–0= Ngf6 9.Ng5 0–0 10.Ne6= fe6 11.c4 Nc5 12.d4 ed4 13.ed4 Nce4 14.f3 Nh5?? 15.Qe1 Bg3?? 16.hg3+/– Nhg3? 17.fe4+– Qh4 18.Rf8 Rf8 19.Bf3 de4 20.Nd2 ef3 21.Nf3?? Rf3+/– 22.gf3 Qh1 23.Kf2 Qh2 24.Ke3 Qb2 25.Rd1 Nf5–/+ 26.Kf4 g5 27.Kg5+= Qg2 28.Kf6 Qg6 29.Ke5 Kf7? 30.d5 Qf6+= 31.Ke4 Nd6 32.Kd3 Qf3 33.Kc2 Qf5 34.Kb3 a4 35.Kb4+/– Ne4 36.Qf1 Nf2 37.Rd2+– Nd3?? 38.Qd3 Qd3 39.de6 Ke6 40.Rd3 Kf6 41.Rd7 h5 42.Rc7 (42…h4 43.Ka4+–) 1–0. Gutsche,Armin – Bruecken,Siegfried, Gross Gerau op, 1996.

4.b5 Bf5 5.b6 cb6 6.g4 Be4 7.f3 Qh4–+ 8.Ke2 Bg6 (9.Qe1 Bd3 10.Kd1 Bc2 11.Ke2 Qf6–+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.b5 Bf5 5.d3 Nf6 6.h4 Nbd7 7.h5 h6 8.d4 Bd6 9.de5 Ne5 10.f4 Neg4–+ 11.b6 cb6 12.Qb3 0–0 13.Qb6 Qb6 (14.Rh3 Bb1–+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.b5 Bf5 5.Nf3 Nd7 6.g3 Ngf6 7.Rg1 e4 8.Nd4–/+ Ne5 9.Nf5? Nf3–+ 10.Ke2 Ng1 11.Ke1 Nf3 12.Ke2 Qd7 13.Bg2 Qf5 14.d4 ed3 15.Kf1 Nh2 16.Kg1 Nhg4 17.Bh3 Qf2 (18.Kh1 Qh2#) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.b5 Bf5 5.Nf3 Nd7 6.Ng5?? Qg5–+ (7.d4 Qg6–+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.Bb5 c6 5.Bd3 ab4 6.cb4 e4 7.Bf1 Bb4 (8.Qb3 Qa5–+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

4.Nf3 ab4?! 5.Ne5 Nf6 6.Qb3 =+.

4.Nf3 Bd6 =+.

4.Nf3 e4 5.Nd4 ab4 6.Bb5 c6–+ 7.Be2 Qg5 (8.Bf1 Nf6–+) 0–1. gurvinder372 – pierre (2160), internet, 2007.

4.Nf3 e4 5.Nd4 ab4 6.cb4 Bb4 7.a3 c6 (8.Bb2 Be7–/+; 7...Nf6 8.Bb2 Bd6 9.d3–/+) 0–1. rweasley – Caissa, Live Game Caissa's Web, 2005.

3.e3 a6

4.a4 a5 5.b5 Bc5 6.Ba3 Nd7 7.Bc5 Nc5 8.Nf3 Bg4 9.h3 Bf3 10.gf3 Nf6 11.Rg1 d4 (better is 11...0–0!?+=) 12.cd4+= ed4 13.e4 (better is 13.Rg7 Nfd7 14.Rg4+=) 13...0–0 14.Bc4 c6 15.e5 Qe7 16.Qe2 Nfd7 17.f4 Rae8 18.Qg4 g6 19.f5?? (better is 19.bc6 bc6 20.Na3–/+) 19...Ne5–+ 20.Bf7 (20.Qg3–+) 20...Rf7 (better is 20...Qf7 21.Kf1 Ng4 22.hg4 Qc4 23.Kg2 Qe2–+) 21.Qg2 Ncd3 22.Kf1 Rf5 23.bc6 Rf2 24.Qf2–+ Nf2 25.Kf2 Nd3 26.Kg2 Qe2 27.Kh1 Nf2 28.Kh2 Ng4 29.Kg3 h5 30.hg4 Qg4 31.Kf2 Re2 32.Kf1 Qf3 0–1. maddoxdb – goobar121, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 a6)

4.a4 e4 5.b5 Nf6 6.ba6 Na6 7.Ba6 Ra6 8.Ne2 Bg4 9.h3 Bh5 10.Qb3 b6?? (better is 10...Be2 11.Ke2 Qa8–/+) 11.Qb5+– Qd7 12.Qa6 Be7 13.Nf4 0–0 14.Qb5 Qb5 15.ab5 Rc8 16.Ba3 Ba3 17.Ra3 g6 (17...g5 18.Nh5 Nh5 19.Ke2+–) 18.g4 Bg4 19.hg4 Ng4 20.Ke2 (better is 20.Nd5 Kg7+–) 20...Nf6 21.Ra7 Kg7 22.Na3 Nd7 (22...g5 23.Rg1 Kh6+–) 23.Nd5 Nc5 24.Nc7 Nb3 25.Ne6 Kg8 (25...Kf6 26.Nd4 Nd4 27.ed4+–) 26.Ng5 Nc5 27.Rh7 Ne6 28.Ne6 fe6 29.Rag7 Kf8 30.Rg6 1–0. maddoxdb – dduval, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.e3 a6)

4.a4 Bf5 5.b5 Nf6 6.Qb3 Bd7 7.ba6 ba6 8.Ba3 Nc6 9.Bf8 Rf8 10.Ne2 Na5 11.Qb4 Nc6 12.Qh4?? (12.Qb3 h6+=) 12...h6 (better is 12...Qb8 13.Na3 Qb2–+) 13.a5? (13.d4 Ne4 14.Qd8 Kd8+=) 13...Rh8 (better is 13...Qb8 14.Qa4 Nd4–+) 14.f4?? (14.Qa4 Rb8 15.Qc2 Ne4+=) 14...Ne4?? (better is 14...Qb8 15.fe5 Ne5–+) 15.fe5?? (better is 15.Qd8 Kd8 16.fe5 Ne5 17.Nf4+=) 15...Qh4–+ 16.g3 Qg5 17.h4 (17.e6 Be6 18.Bg2 Nc5–+) 17...Qe7 18.d4 Bg4 19.Nd2 Nc3! 20.Nc3 Qb4 21.Rc1 Qa5 22.Ne2 Be2 23.Be2 Qb6 24.0–0 Ke7 25.Bh5 g6 26.Bg4 Nd4! 27.Rf6 Qa7 28.Rcf1 Rhf8 29.Kh2 Nc2 30.Rc1 Ne3 31.Bf3 Qd4 32.Rc7 Ke8 33.Nb1 Qb2 34.Kh3 Qb1 35.e6 Qf1 36.Kh2 Ng4! 37.Bg4 Qf6 38.ef7 Rf7 39.Bd7 Rd7 40.Rd7 Kd7 41.Kh3 Rb8 0–1. maddoxdb – roybe, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 a6)

4.Qb3 Nc6 5.b5 ab5 6.Bb5 Bd7 7.Qd5 Nf6 8.Qb3 Be7 9.Ba3 Ba3 10.Na3 Ne4 11.Bc4 (11.Nf3 Nc5 12.Qb2 e4=) 11...0–0 12.Bd5? (12.Nf3 Qe7 13.Qb1 Nd6+= (worse is 13...Qa3 14.Qe4 Ra4 15.Ng5+=)) 12...Nf6 (better is 12...Be6 13.c4 Nc5–+) 13.Bc6 Bc6 14.f3 Nh5 15.g4? (better is 15.Nh3+=) 15...Qh4–+ 16.Kd1?? (16.Kf1 Ng3! 17.hg3 Qh1 18.e4–+) 16...Ng3! 17.hg3 Qh1 18.Kc2 Bf3 19.Nf3 Qa1 20.Ne5 Rad8 21.Qb1 Qb1 22.Nb1 f6 23.Nc4 f5 24.g5 h6 25.g6 Rf6 26.Nba3 Rg6 27.Nb5 c6 28.Nd4 Rg3 29.Nf5 Rg2 30.Ne7 Kf8 31.Nf5 b5 32.Ncd6 Rh2 33.Nb7 Rdd2 34.Kb3 Ra2 35.Kb4 Ra4 36.Kc5 Rc4 37.Kb6 Rc3 38.Nd8 b4 39.Nc6 Rc6! 40.Kc6 b3 41.Kd7 b2 42.Ne7 Rd2 43.Kc6 Ke7 44.e4 b1Q 0–1. maddoxdb – krishanai, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 a6)

4.b5 ab5 5.Bb5 c6 6.Be2 Nf6 7.Nf3 Nbd7 8.a4 h6 9.d4 e4 10.Ne5 Bd6 11.Bh5? (better is 11.Nd7 Bd7 12.Ba3+=) 11...Be5 12.de5 Ne5 13.Be2 Bd7 14.Qb3 b5! 15.Nd2 (15.ab5 Nd3 Double attack (15...Ra1 Pinning; 15...Ra1 Deflection)) 15...Nd3 16.Bd3 ed3 17.Nf3 ba4 18.Ra4 0–0 19.Ne5 c5 20.Ra8 Qa8 21.0–0 Re8 (21...Bf5 22.Qd1 Qa6 23.Bd2–+) 22.f4? (better is 22.Nd7 Nd7 23.Qb5+=) 22...Rb8 23.Qa3 Qa3 24.Ba3 c4 25.Be7 d2 26.Rd1? (26.Nd7 Nd7 27.Rd1 Rb2–/+) 26...Rb2 (better is 26...Ba4 27.Rd2 Rb1 28.Kf2 Ne4 29.Ke2–+) 27.Nf3?? (better is 27.Nd7 Nd7 28.Kf2–/+) 27...Ne4 28.Bb4 (28.Nd2 Nd2 29.h3 Bf5–+) 28...Ba4 29.Ba3 Bd1 30.Bb2 g5 31.Nd2–+ Nd2 32.fg5 hg5 33.Ba3 Ne4 34.Be7 Nc3 35.Bg5 Ne2 36.Kf2 c3 37.e4 de4 38.Ke1 c2 39.g3 f6! 40.Be3 Kf7 41.h4 Ng3 42.Bc1 Ne2 43.Kd2 Nc1 44.Ke3 Nb3 45.Ke4 c1Q 46.Kf5 Nd4 47.Ke4 Nc6 48.Kf5 Qc4 49.h5 Qg4# 0–1. maddoxdb – glensbunning, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.e3 a6)

3.e3 c5

4.a3 c4 5.h3 (5.d3 cd3 6.Bd3 Nf6=) 5...Nc6 (5...e4 6.Be2–/+) 6.Nf3 (6.d3 Be6=+) 6...Nf6 (6...e4 7.Nd4 Ne5=+) 7.Bb2 (7.d3!? cd3 8.b5 (8.Bd3? e4–+) 8...d2 9.Nbd2=) 7...Bd6 (7...e4 8.Nd4–/+) 8.Be2 0–0 9.0–0 Re8 10.Re1 Be6 11.d3 b5 12.d4 e4–/+ 13.Ng5 h6 14.Ne6=+ Re6 15.Nd2 Qc7 16.Nf1 Rae8 17.Bg4 Ng4–/+ 18.Qg4 Rg6 19.Qh4 Be7 20.Qf4 Bd6 21.Qh4 Ree6 22.f3?? ef3–+ 23.Rad1 fg2 (24.Re2 Re4–+) 0–1. rene822 – Totality, Live Game Caissa's Web, 2004.

4.a3 Nf6 5.d4 cd4 6.ed4 ed4 7.cd4 =+.

4.Ba3 cb4 5.cb4 a5 6.Qa4 Bd7 (6...Nd7 7.Nf3 Bd6 8.ba5 Ra5 9.Qb3 Ba3 10.Na3=) 7.b5= Ba3 8.Na3 Na6 9.Qb3 Nb4= 10.Be2 Nf6 11.Nf3= Ne4 12.0–0 Bg4= 13.Rfd1 Nc5 14.Qc3= Bf3 15.Qe5+= Ne6 16.Bf3+/– 0–0 17.e4 Re8+= 18.Qg3 d4 19.Nc4+/– Nc5 20.Qd6 Ne4 21.Be4 Re4 22.Qd8 Rd8 23.Na5 b6 24.Nb7?? Rd7–/+ 25.Re1 Re1 26.Re1 Kf8 27.a3 Nd3 28.Re4 f5 29.Rh4 Rb7 30.Rd4–/+ Nc5 31.a4 Ra7–+ 32.Rd8 Kf7 33.d4 Na4 34.d5 Nc3 35.h4 Nb5 36.Kf1 Ke7 37.Rh8 Ra1 38.Ke2 Nc3 39.Kd3 Nd5 40.Rh7 Kf6 41.Kd4 Rd1 42.Kc4 Nf4 43.g3 Ng6 44.f3 Rd8 45.g4 Ne5 46.Kb5 fg4 47.fg4 Ng4 48.Kb6 Kg6 (49.Kc7 Rf8–+) 0–1. hercules53 – johnny, Live Game Caissa's Web, 2004.

4.Ba3 cb4 5.cb4 Nc6 6.Bb5 Bd7 7.Bc6 bc6 8.Nf3 Qc7 9.d4=+ e4 10.Ne5 Bd6 11.Nd7 Qd7 12.Nc3 a5 13.Qb3 Nf6 14.ba5 0–0 15.Bb4 Rfb8 16.a3 Ra5 17.Qc2?? Bb4–+ 18.Rb1 Bc3 19.Ke2 Rb1 20.Rb1 Ra3 21.h3 Qa7 22.Qd1 Qa6 (23.Rb5 Qb5 24.Qd3 Qd3) 0–1. nimmie – willow27, ChessWorld.net, 2005.

4.Ba3 cb4 5.cb4 Nf6 6.Nf3 Bd6 7.b5 =+.

4.Ba3 cb4 5.Bb5 Bd7 6.Bd7 Nd7 7.Bb4 Bb4 8.cb4 Qb6 9.Qg4 Qg6 (better is 9...Ngf6!? 10.Qg5 0–0–/+) 10.Qg6= hg6 11.Nc3 Ngf6 12.Nf3 0–0–0 (12...e4!? 13.Ng5 Ke7+=) 13.Rc1 Kb8 14.Nb5 (better is 14.d4!? Rh5 15.h4=) 14...e4+= 15.Ng5 Rdf8 16.Nd6 Ne5 17.0–0 Neg4 (better is 17...Rh5!? 18.f4 Nd3=) 18.Ngf7+/– Nh2? (better is 18...Rh2 19.Rc5 Rh5+–) 19.Nh8+– Nf1 20.Ng6 (20.Rf1?! Rh8 21.Rc1 a6+=) 20...Rd8 21.Rf1?? (better is 21.Nf7 Rd7 22.Nfe5 (22.Rf1?! Rf7 23.d3 Rc7+/–; 22.Kf1?! Rf7 23.Ke2 Rc7 24.Rc7 Kc7+/–) 22...Nd2 23.Nd7 Nd7 24.Rd1+–) 21...Rd6+/– 22.Ne5 Ra6 23.Ra1 Rd6 24.a4 d4 25.Nf7 Rd7 26.Ng5 de3 27.de3 Rd2 28.Ne6 g6 29.b5 Nd7 30.Rc1 Ra2 31.Rc4 Nf6 32.Nc5 Ng4?? (better is 32...Ra1 33.Kh2 a6 34.ba6 b6 35.Ne4 Ne4 36.Re4 Ka7+–) 33.Nd7 Ka8 34.Rc8 1–0. maddoxdb – crimsonfripp, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.e3 c5)

4.Ba3 Nc6 5.bc5 Qa5 6.Nf3 Bc5 7.Qb3 (7.Bc5 Qc5 8.Ne5 Ne5+=) 7...a6 (better is 7...Ba3!? 8.Na3 Nge7+=) 8.Qd5+/– Ba3 9.Qa5 Na5 10.Na3 Nf6? (better is 10...e4!? 11.Nd4 Nf6+/–) 11.Ne5+– 0–0 12.Bc4 Be6 13.Be6 fe6 14.0–0 Rac8 15.Rab1 b5 16.h3 Nc4 (better is 16...Rfd8!? 17.Rb2 Ne4+/–) 17.Nac4 bc4 18.Rb4 Ne4 19.Rc4 Nd2 20.Rc8 Rc8 21.Rd1 Ne4 22.c4 Rc5 (22...Kf8+–) 23.Rd8# 1–0. maddoxdb – freddddddd, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 c5)

3.e3 Nc6

4.a4 Nf6 5.Bb5 a6 6.Bc6 bc6 7.h3 Ne4 8.d3 Nd6 9.d4 ed4 10.ed4 Be7 11.f3 (better is 11.Nf3!?=) 11...0–0 12.Ne2 Nc4 13.0–0 Bg5 14.Bg5 Qg5 15.Qc1 Ne3 16.Rf2 Bh3?? The pressure on g2 grows (better is 16...Re8 17.f4 Qg6–/+) 17.Qf1?? (better is 17.f4 Qe7 18.gh3+/–) 17...Nf1–+ 18.Kf1 Bf5 19.Nd2 (19.f4 Qh5 20.Rf3 Qh1 21.Ng1–+) 19...Qd2 20.Ng3 Qc3 21.Kg1 Qa1 22.Kh2 Bd3 0–1. maddoxdb – cdguyhall, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 Nc6)

4.Qa4 Bd7 5.b5 Nce7 6.h3 a6–/+ 7.Qb3 ab5 8.Bb5 c6 9.Bd3 e4 10.Be2 Nf6 11.d4 ed3 12.Bd3 Qc7 13.f4 g6 14.g4 Bg7 15.a4 0–0 16.Ba3 Rfe8 17.Be7 Re7–+ 18.Ke2 Qf4 19.e4 Be6 20.Qb4 Rae8 21.Nd2 de4 22.Ne4 Ne4 23.Qe4 Bg4! 24.Ke1 Re4 (25.Ne2 Bc3 26.Kd1 Qd2#; 24...Bc3#) 0–1. kausca12 – Istvanny (1640), internet, 2007.

4.Bb2 Nf6 5.Nf3 Be6 (5...e4 6.Nd4 Nd4 7.ed4–/+) 6.d3 (6.b5 Nb8 7.Ne5 Bd6+=) 6...Kd7 (6...e4!? 7.Ng5 Bf5+=) 7.Be2 Kc8 8.Nbd2 (8.b5 Ne7 9.Ne5 Ng6+/–) 8...Kb8 (8...Bd6 9.Ng5=) 9.Qc2 (9.b5 Ne7+=) 9...Bd6 10.0–0 a5 (10...Bg4 11.b5 Ne7 12.c4+=) 11.a3 ab4 (11...Bg4!?+=) 12.ab4+/– Ra1 13.Ra1 d4 (better is 13...Nd7!?+–) 14.ed4 ed4 15.cd4 (better is 15.b5 Ne5 16.Nd4+–) 15...Nd4?? (better is 15...Nb4 16.Qa4 Na6+/–) 16.Nd4 Be5 (16...Bd5+–) 17.Ne6 (better is 17.Nc6 Kc8 18.Be5 Qd6 19.Bd6 cd6+–) 17...fe6 (17...Bh2 18.Kh2 Qd6 19.f4 Qe6 20.Qa4+–) 18.Be5 Nd5 19.Bg3 e5 20.Rc1 e4 21.de4 Nf6 22.Nf3 h5 23.Qc7 Qc7+– 24.Rc7 h4 25.Nh4 Rh4 26.Bh4 Kc7 27.Bg3 Kc8 28.f3 Kd7 29.b5 1–0. Fournier,Frederic (1760) – twister82 (1775), Active blind, 2011.

4.Bb5 Bd7 5.Ba4 Qg5–/+ 6.g3 Bg4 7.Qc2 Nge7 8.b5 Na5 9.b6 Kd8 10.bc7 Kc7 11.c4 dc4–/+ 12.Qc3 b6 13.d4 Nd5–+ 14.Qc2 Nb4 15.Qc3? Nd3 16.Kf1 Bb4 17.Qc2 ed4 18.f4 Qd5 19.Nd2 Qh1 20.Nc4 Bh3 21.Ke2 Qg2 22.Kd3 Bf5 23.Kd4 Rad8 24.Ke5 Qd5# (24...Rd5#) 0–1. kimogaafar – ajdendekker, internet, 2007.

4.d3 Nf6–/+ 5.b5 Na5 6.Qa4 b6 7.Nf3 (7.Nd2 Bd6 8.Nb3 Nb3 9.ab3 Bd7–/+) 7...Bd6 8.e4 (8.c4 0–0–/+) 8...Bc5 (8...Bd7!?–+) 9.d4 (9.Ne5 0–0 10.Nd2 Qe7–/+) 9...de4 10.Ne5 Be6?? (better is 10...Bd6–/+) 11.dc5+– 0–0 12.Be2 Qd5 13.Nc6 (13.Qd4 bc5 14.Qd5 Nd5+–) 13...Nc6 14.bc6 bc5 (14...Qc5 15.0–0+–) 15.0–0 a5 (15...Qe5 16.Nd2+–) 16.Nd2 (16.Bf4 Rfc8 17.Nd2 Rab8+–) 16...Bg4 (16...Rfb8 17.Nc4+–) 17.Bg4 Ng4 18.Ne4 Qf5 19.h3 Ne5 20.Nc5 Nd3 21.Qc2 Rad8 22.Rd1 Qc5 23.Rd3 Rd3 24.Qd3 Qc6 25.a4 Re8 26.Be3 Qf6 27.Rb1 c6 28.Rb6 Rd8 29.Bd4 Qe6 30.Qg3 g6 31.Qg5 Re8 32.Qh6 f6 33.Qf4 Qe1 34.Kh2 f5 35.Rb7 Qe6 36.Qh6 Qd6 37.g3 Re7 38.Re7 Qe7 39.Qe3 Qd8 40.Qe5 Kf7 41.Qg7 Ke8 42.Qh7 Qd6 43.Qg8 Kd7 44.Qg7 Kc8 45.Be5 Qd7 46.Qg6 c5 47.Qg8 Kb7 48.Qg7 Kc6 49.Qd7 Kd7 50.h4 Ke6 51.Bc7 c4 52.Ba5 Ke5 53.Bb4 Ke4 54.a5 Kd5 55.h5 1–0. kham69 – elitedriver, gameknot.com, 2005. (=1.e3 e5 2.c3 Nc6 3.b4 d5)

4.b5 Nce7

5.d4 e4 6.c4 Nf6 7.Nc3 Be6 8.Qc2 c6 9.Rb1 dc4 10.bc6 b6 11.Qa4 Rc8 12.Nb5 Rc6 13.Na7 Qa8 14.Rb4 b5 15.Rb5 Nc8 16.Ra5 Na7 17.Ra7 Bb4 18.Kd1 Qa7 19.Qa7 Nd5 20.Ba3 Nc3 21.Kc2 Ba3 22.Kc3 Bd6 23.Qb7 Rc7 24.Qe4 0–0 25.Nf3 Rfc8 26.Ng5 Bd7 27.Qh7 Kf8 28.Qh8 Ke7 1–0. Fritz 5.32 – Fritz 6, 2004.

5.d4 e4 6.c4 Nf6 7.Nc3 Be6 8.Qc2 c6 9.Rb1 dc4 10.bc6 bc6 11.Bd2 Qd7 12.Nge2 Rc8 13.Ng3 c5 14.dc5 Rc5 15.Nge4 Ne4 16.Rb8 Rc8 17.Rc8 Nc8 18.Qe4 f5 19.Qd4 Bb4 20.Be2 Qd4 21.ed4 Nd6 22.Kd1 Bc3 23.Bc3 Kd7 24.Kc2 Bd5 25.f3 f4 26.g3 Ne4 27.Rc1? fg3–+ 28.hg3 Ng3 29.Bd1 h5 30.Kd2 h4 31.Ba4 Ke6 32.Re1 Kf7 33.Re5 Bf3 34.Bb5 Rc8 35.Ke3 h3 36.Kf3 h2 37.Re1 h1Q 38.Rh1 Nh1 39.Kg2 Rh8 40.Bc4 Ke7 41.Bb4 Kf6 42.Bd6 Kg6 43.Be5 Rh5 44.Bd5 Kh6 45.Bc6 a5 46.a4 Rh4 47.Kg1 Ng3 48.Bg3 Rd4 49.Be1 Rc4 50.Bb5 Rc2 51.Ba5 g5 52.Bb6 Rb2 53.Bd4 Ra2 54.Bc3 Rc2 55.Be1 g4 56.a5 Rc1 57.Kf2 g3 58.Ke2 g2 59.Bf2?? g1Q= 60.Bg1 Rg1 61.Kf2 Rg5 62.Bd3 Ra5 63.Ke3 Kg5 64.Ke4 Ra4 65.Ke5 Ra1 66.Ke4 Re1 67.Kf3 Kf6 68.Kf4 Ke7 69.Bf5 Kd6 70.Be4 Kc5 71.Ke5 Kc4 72.Kf4 Kd4 73.Bg2 Rg1 74.Bh3 Rb1 75.Kf5 Rb2 76.Ke6 Ke4 77.Bf5 Kf4 78.Bd3 Ke3 79.Bf5 Rb6 80.Ke5 Rb5 81.Ke6 Kd4 82.Bg6 Rb6 83.Kf5 Rb1 84.Ke6 Ra1 85.Bh7 Ra6 86.Kf5 Rh6 87.Bg6 Rh1 88.Ke6 Re1 89.Kd6 Rg1 90.Bf7 Ra1 91.Kc6 Ra6 92.Kb5 Rf6 93.Bb3 Rf3 94.Bg8 Rc3 95.Be6 Rc5 96.Kb6 Re5 97.Bh3 Re2 98.Kc6 Ke5 99.Bf1 Rc2 100.Kd7 Rf2 101.Bc4 Rf4 102.Bb3 Rb4 103.Ba2 Rb6 104.Bg8 Rd6 105.Kc7 Rg6 106.Bc4 Kd4 107.Bb3 Rg3 108.Ba4 Kc5 109.Kd7 Ra3 110.Bc2 Kd5 111.Ke7 Ke5 112.Kd7 Ra6 ˝–˝. Fritz 5.32 – Fritz 6, 2004.

5.d4 e4 6.c4 Nf6 7.Nc3 Be6 8.Qc2 c6 9.bc6 Nc6 10.Rb1 Bb4 11.Bd2 dc4 12.Nge2 Rc8 13.Nf4 Bf5 14.Bc4 Nd4=+ 15.Qa4 Bd7 16.Qa7 Rc4 17.ed4 Bc3 18.Bc3 Rc3 19.Qb7 0–0 20.0–0 Rc2 21.Qb3 Qc7 22.a3 Rc3 23.Qb2 Rc8 24.g3 Qa7 25.d5 Ra3 26.Ra1 Ra1 27.Ra1 Qc5 28.Qe5 Re8 29.Qb2 Nd5 30.Rc1 Qd6 31.Qd4 Qa3 32.Rd1 Nf6 33.Re1 Qa5 34.Ra1 Qf5 35.Qd2 Ng4 36.Rd1 Ne5 37.Qe3 g5 38.Kh1 gf4 39.Qf4 Qf4 40.gf4 0–1. Fritz 5.32 – Fritz 6, 2004.

5.d4 e4 6.c4 Nf6 7.Nc3 Be6 8.Qc2 Rc8 9.cd5 Ned5 10.Ne4 Ne4 11.Qe4 Bb4 12.Bd2 Bd2 13.Kd2 c5 14.Qe5 Qa5 15.Ke2 0–0 16.Kf3 Rfe8 17.Kg3 Nf6 18.f3 Qc3 19.Rd1 Bb3! 20.ab3 Re5 21.de5 Qe5 22.Kf2 Qb2 23.Be2 Qb3 24.Nh3 Re8 25.e4 Qb2 26.g4 c4 27.g5 Nh5 28.Rd7 Qb5 29.Rhd1 Qb2 30.R1d2 Qb6 31.Kf1 c3 32.R2d6 c2 33.Rb6 c1Q 34.Rd1 0–1. Fritz 5.32 – Fritz 8, 2004.

5.Nf3 Bg4 6.Be2 Qd6 7.h3 Bf3 8.gf3 Nf6 9.Ba3 Qe6 10.d3 0–0–0 11.Nd2 Nf5 12.Nb3?? Ba3–+ 13.Nc5 Bc5 14.a4 d4 15.e4 Nh4 16.c4 Bb4 17.Kf1 Nh5 18.Qb3 Ba5 19.f4 Nf4 20.Bg4 f5 21.ef5 Nf5 22.f3 h5 23.Rg1 hg4 24.hg4 Ne3 25.Kf2 Rh2 26.Kg3 Qh6 27.Rh1 Qh3 (27...Qh4) 0–1. kleanitt – Swanivelder, Live Game Caissa's Web, 2004.

3.e3 d4

4.Bb2 de3 5.Qe2 ed2 6.Nd2= Bd6 7.f4 Nd7 8.fe5 Ne5 9.Ngf3 f6 (9...Qe7 10.0–0–0=) 10.Ne5 Be5 11.Nc4 Qd5 (11...Qe7 12.0–0–0 Bf4 13.Kb1 Qe2 14.Be2+=) 12.Rd1+= Qb5?? (better is 12...Qe6+=) 13.Nd6!+– cd6 14.Qb5 Bd7 (14...Kf8 15.Bc4 Ne7 16.0–0+–) 15.Qb7 Rc8 (15...Rd8 16.Qa7 Ne7 17.Bc4+–) 16.Bb5 Rd8 17.a4 Ne7 18.0–0 0–0 (18...Bb5 19.ab5 Kf7+–) 19.Bd7 Ng6 20.Qa7 Nf4 21.Bb5 d5 22.Qe3 Ng6 23.a5 Rb8 24.Rd5 Rb5 25.Rb5 Re8 26.Qc5 Nf4 27.Qc4 Kh8 28.Rf4 Bf4 29.Qf4 h6 30.Rb8 1–0. pierre – anony, internet, 2015.

4.ed4 ed4 5.Bb2 Qe7 6.Qe2 Qe2 7.Be2 dc3 8.Bc3 Be6 9.Na3 Bd6?? (better is 9...Ne7=) 10.Bg7+– Be5 (10...Nc6 11.Bh8 Nb4 12.Bc3+–) 11.Be5 f6 12.Bc7 Nc6 13.Nb5 Nb4 14.Bh5 (better is 14.Rb1 Nd5 15.Bg3 b6+–) 14...Kd7 15.h3 (better is 15.Rb1 a5 16.Nf3+–) 15...Nc2+= 16.Kd1 Nb4?? (better is 16...Na1 17.Bf4 Ne7=) 17.Bg4 (17.Bd6 Nd3 18.Bg3 Ne7+–) 17...a6 (17...Bg4 18.hg4 a6+–) 18.Be6 Ke6 19.Nd4 Kd5 20.Nge2 Nd3 21.Rf1 Rc8 22.Ba5 Rc5?? 23.Bb6 Rc8?? 24.Nc3 Kc4 25.a4 Ne7 26.a5 Nd5 27.Ra4 N5b4 28.Ra1 Nc6?? 29.Nc6 bc6 30.Kc2 Nb4 31.Kd1 Rhe8?? 32.Rc1 Re5 33.Na2 Kb3 34.Nb4 Kb4 35.f4 Re4 36.d3 Re6 37.f5 Re5 38.Rf4 Ka3 39.d4 Rd5 40.Rf3 Kb4 41.Rb1 Kc4 42.Rc1 Kb4 43.Rfc3 Rf5 44.Rc4 Kb3 45.R1c3 Kb2 46.Rc2 Kb3 47.Rc6 Re8 48.Bc7 Rf1 49.Kd2 Rf2 50.Kd3 Rc2 51.Rc2 Rc8 52.Rc3 Kb4 53.Bd6 Ka5 54.Rc8 Kb5 55.Rc5 1–0. maddoxdb – andy1964, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 d4)

4.Qf3 Nf6 5.Bd3 c5 6.Ba3 Qb6 7.b5 Bg4 8.Qg3 Qe6 9.h3 Bh5 10.Ne2 Be2 11.Be2 Bd6 (not finished). SweeneyTod – chessH, ChessWorld.net, 2002.

3.e3 Bd6

4.d4 e4 5.f3 Nf6 6.fe4 Ne4 7.Nd2?? Qh4–+ 8.Ke2 Bg4 9.Ngf3 Qf2 10.Kd3 Bf5 11.Kc2 Ng3 12.Bd3 Bd3 13.Kd3 Nh1 14.Qh1 0–0 15.Qf1?? Qf1–+ 16.Nf1 Nd7 17.h4 b6 18.a3 f5 0–1. sbderkach (1680) – gdraper (2035), net–chess.com, 2006.

4.Be2 e4 5.Na3 a5 6.Nb5 ab4 7.Qb3 Be5 8.Qb4 Na6–/+ 9.Qa4 c6 10.Nd4 Bd7 11.Qc2 c5 12.Nb5 Qb6 13.a4 Qg6 14.d3?? Qg2–+ 15.d4 Bb8 (16.Ba3 Qh1–+) 0–1. athar – Alissa, ChessWorld.net, 2005.

4.Nf3 Nf6 5.d3 0–0 6.d4 e4 7.Nfd2 Ng4 8.h3? Qh4–+ 9.hg4 Qh1 10.Qb3 Be6 11.Ba3 c6 12.b5 Ba3 13.Qa3 cb5 14.Qd6 Qh4 15.Na3 Qg4 16.Nb5 Nc6 17.Qh2 h6 18.Nc7 Rac8 19.Ne6 Qe6 20.g3 (20…Na5 21.Rc1–+). erch – andre2004, ChessWorld.net, 2005.

3.e3 Bd7

4.Nf3 Nc6 5.a4 Nf6 6.b5+= Na5 7.Ne5 Bd6 8.Nd7 Qd7 9.Be2 0–0 10.d3 c5 11.Nd2 c4 12.dc4 dc4 13.0–0 Rfe8 14.Nc4 Nc4 15.Bc4 Ne4 16.Qd3 Qc7 17.Bb2 Bh2=+ 18.Kh1 Rad8 19.Bd5 Kh8 20.c4 Nf6?? 21.Bf6+– gf6 22.Qf5 Rg8 23.Qf6 Rg7 24.f4 Bg3 25.Rf3 Bf4?? 26.Rf4 Kg8 27.Raf1 Rf8 28.e4 a6 29.ba6 ba6 30.e5 Qc8 31.e6 (31…Qe6 32.Be6 h5 33.Bf7 Rff7 34.Qd8 Kh7 35.Rf7 a5 36.g4 hg4 37.Qh4 Kg8 38.Rf8#) 1–0. UPS – Knight, MySchachOpen, 2005.

4.Nf3 Bg4 5.Be2 Bf3 6.Bf3= e4 7.Be2 Bd6 8.0–0 Nf6 9.f3 (9...Nbd7 10.fe4 de4 11.d4=). zggenev – andre2004, ChessWorld.net, 2005.

3.e3 Nd7

4.a3 c6 5.a4 f6 6.Qb3 Ne7 7.b5 a5 8.bc6 bc6 9.c4 Rb8 10.Qc3 g5 (10...Nc5!? 11.Ba3 Na4–/+) 11.Ba3 d4 (11...c5!?+=) 12.ed4+= Bg7 13.Be7 (13.de5 fe5 14.Bd6 Rb7+=) 13...Ke7 14.c5 f5 15.d3?? (better is 15.de5 Ne5 16.d4=) 15...ed4–+ 16.Qc1 h6 17.h4 g4 18.Qf4 Rb4 19.Qd6? (19.Qf5 Ne5 20.Qe4 Qf8–/+) 19...Ke8 (19...Kf7!? 20.h5 Re8 21.Be2–+) 20.Qc6 (better is 20.Qg6 Kf8 21.Qf5 Nf6 22.Qf4+=) 20...Be5?? (better is 20...Qe7 21.Kd1 Bb7 (worse is 21...Qc5 22.Qe6 Kd8 23.Nd2–+) 22.Qg6 Qf7–+) 21.Qg6+= Ke7 22.Qf5 Qc7 23.Be2?? Qc5 24.f3?? Qc2 25.Kf2 Qb2 26.f4 Bf6 27.Qe4 Kd8 28.Kg3 Qa1 29.Bg4 Rg8 30.Qh7 Re8 31.Nf3 Re3 32.Qg8–/+ Kc7?? 33.Rc1+– Kd6 34.Qc8 Nb6 35.Qc6 Ke7+– 36.Qc7 Kf8 37.Qb8 Ke7?? 38.Qb7 Kf8+/– 39.Rc7 Qa4?? 40.Rf7+– Kg8 41.Rf6 Qe8 42.Rh6 Rb1 43.Qh7 Kf8 44.Rf6 Qf7 45.Qf7 1–0. maddoxdb – jprice1978, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 Nd7)

4.d4 e4 5.Qb3 Nb6 6.Bb5 c6 7.Be2 Qg5 8.g3 Nf6 9.Nh3?? Bh3–+ 10.f4 ef3 11.Bf3 Nc4 12.b5 a5 13.ba6 b5 14.a4 Ra6 15.Qc2 Qf5 16.Qe2 Ra4 17.g4 Bg4 18.Bg4 Qe4 19.Qf1 Ng4 20.Qh3 Qh1 21.Ke2 Ra1 22.Qg3 Qh2 (23.Qh2 Nh2–+; 22...Qc1 23.Qb8 Kd7 24.Qb7 Ke6 25.Qc8 Kf6 26.Qd8 Kg6 27.Qe7 Ra2 28.Nd2 Qd2 29.Kf3 Qg2 30.Kf4 Rf2#) 0–1. Krahl,Wolfgang – Costin,Dave, IECG, 1998.

3.e3 e4

4.Na3 a6 5.b5 Bd7 6.Qb3 ab5 7.Nb5 c6 8.Na3 Ra7 9.c4 Qa5 10.cd5? (better is 10.Bb2+=) 10...Ba3–+ 11.Ba3 Qa3 12.Qa3 Ra3 13.dc6 Nc6 14.Bb5 Nge7 15.Ne2 0–0 16.0–0 Rfa8 17.Nc1 R8a5 18.Bc4 Be6 19.Be6 fe6 20.Nb3 Rd5 21.g3 Nb4 22.Nc5 (22.f3 ef3 23.Rf3 Na2 24.e4–+) 22...Rc5 23.Rfb1 Nc2 24.Rc1 Nd5 25.Rab1 b6 26.Rb2 Ncb4 27.Rc5 h6 (better is 27...bc5 28.Kf1 Nb6–+) 28.Rc8 Kh7 29.g4 Ra2 (29...Nd3!? 30.Rbc2–+) 30.Ra2–/+ Na2 31.Re8 b5 32.Rb8 b4 33.h4 Nc1 34.Kf1 b3 35.Ke1?? (35.Kg2–+) 35...Nd3 36.Ke2 (36.Kd1 N5b4 37.Rb4 Nb4 38.Kc1 Nd3 39.Kb1–+) 36...N5b4 37.Kd1 b2 38.g5 (38.Rb4 Nb4 39.f3 ef3 40.d4 b1Q 41.Kd2 Qd3 42.Ke1 Qe2) 38...b1Q 39.Ke2 Qe1# 0–1. maddoxdb – atrox0512, gameknot.com, 2012. (=1.c3 e5 2.b4 e4 3.e3 d5)

4.Na3 Nf6 5.Nb5 c6 6.Nd4 c5 7.Nb3 c4 8.Nd4 Nc6 9.Nb5 a6 10.Na3 b5 11.h3 Bd6–+ 12.Rb1 0–0 13.g4 g5 14.h4 Bg4–+ 15.Qc2 gh4 16.Rh4 Ne5 17.Bg2 Nh5 18.Rh1 Nf3 19.Kf1? Qf6–+ 20.Ne2 Ng5 21.Nd4? Bg3 22.Bb2?? Qf2 0–1. Franziska,Franzi – Orion,Martin, remoteschach.de, 2002.

4.a4 a6 5.b5 ab5 6.Bb5 Bd7 7.Bd7 Qd7 8.Qb3 Nf6?? (better is 8...b6–/+) 9.Qb7+– Ra4 (9...Ra5 10.Qb8 Qd8 11.Qd8 Kd8+–) 10.Qb8 Ke7 11.Ra4 Qa4 12.Qb4 (better is 12.Ba3 Ke6 13.Bf8+–) 12...Qb4 13.cb4 Ke6 14.Ba3 (14.b5 Bd6+–) 14...Bd6? (14...Bb4 15.Bb4 Rb8 16.Nc3 Rb4 17.Nh3+/–) 15.Ne2 Rb8 (15...Bb4 16.Nf4 Kd7 17.Bb2+–) 16.0–0 (better is 16.Nd4 Kd7 17.b5+–) 16...c5?? (better is 16...Bb4 17.Nf4 Kd6+/–) 17.bc5+– Be5 18.Nbc3 Nd7 19.Nf4 Kf5 (19...Bf4 20.ef4 Rb3 21.Ra1+–) 20.Ncd5 Rb5 21.Ne7 Kf6 22.Nfd5 (22.c6!? Bf4 23.ef4 Nb6+–) 22...Ke6 23.c6 Nb6 24.Nb6 Rb6 25.Rc1 Bd6 (25...Ra6 26.Bc5 Ra2 27.g4+–) 26.c7 (better is 26.Bd6 Ra6 27.c7 Ra8 28.c8Q Rc8 29.Nc8 g5+–) 26...Ba3 (26...Bc7 27.Rc7 Rb1 28.Bc1 Kd6+–) 27.c8Q Kf6 (27...Ke7 28.Ra1 Rb2 29.Qc3+–) 28.Qc3 Ke6 29.Qa3 Rb7 30.Qa6 Ke7 31.Qb7 Kf6 32.Rc6 Kg5 33.Qe7 1–0. maddoxdb – timdjacobs, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 e4)

4.a4 a6 5.d4 Nf6 6.Na3 c6 7.a5 Be7 8.f3 ef3 9.Nf3 Ne4 10.Bb2 Bg4 11.c4?? Bh4 12.g3 Bg5 13.Bc1?? Qf6 14.cd5?? Bf3–+ 15.Qd3 Bh1 16.Ra2 0–0 17.Rc2 cd5 18.b5 ab5 19.Qb5 Nc6 20.Qb7 Rab8 21.Rc6 Qf2 22.Kd1 Rb7 23.a6 Bf3 24.Be2 Qe2 0–1. Izzy5150 – toon magpie, ChessWorld.net, 2005.

4.a4 b6 5.a5 Bb7 6.a6 Bc6 7.b5 Bd7 8.Qb3 Be6 9.d4 ed3 10.Qd1 Nf6 11.Bd3 Bc5 12.Ba3 Qd6 13.Bc5 Qc5 14.Ne2 0–0 15.0–0 c6 16.Nd4 Nbd7 (16...cb5 17.Bb5 Nbd7=) 17.Ne6?? (better is 17.Nc6 Qd6 18.Nd2+/–) 17...fe6+= 18.Qb3 Ne5 19.Be2 Ne4 20.Qb4 Nc3?? (better is 20...cb5 21.Qc5 bc5 22.Bb5 Rab8–/+) 21.Qc3+– cb5?? (21...Qc3 22.Nc3 c5 23.f4+–) 22.Qc5 (better is 22.Qe5 Rae8 23.Nd2+–) 22...bc5+/– 23.Bb5 c4 24.Nc3 Nd3 25.e4 Rf4?! 26.ed5 ed5 27.Nd5 Rd4 28.Ne7 Kf8 29.Nf5 Rf4 30.Nd6 Rd8 31.Nc4 h6 32.Rad1 Kg8 33.Ne3 Rfd4 34.Bd3 R8d6 35.Bc2 Rd1 36.Rd1 Ra6 37.Bd3 Ra5 38.Nc4 Ra4 39.Nd6 g5 40.Nf5 Kh7 41.Ne7 Kg7 42.Rb1 h5 43.Rb7 Ra3 44.Nf5 Kf6 45.Rd7 Ra1 46.Bf1 Kf5 47.g3 Ke4 48.Kg2 h4 49.f3 Ke3 50.Re7 Kd2+– 51.g4 a5 52.Rg7 a4 53.Rg5 a3 54.Ra5 Ke1 55.Re5 Kd1 56.Bc4 Rc1 57.Bb3 Kd2 58.g5 Rc3 59.Be6 Rc2 60.Kh3 a2 61.Ra5 Ke2 62.Ra2 Ra2 63.Ba2 Kf3 64.g6 1–0. maddoxdb – kurser, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 e4)

4.a4 c6 5.b5 Qg5 6.h4 Qf5 7.Ba3 Nd7 8.Bf8 Nf8 9.Be2 Nf6 10.g4 Qe5 (better is 10...Ng4!? 11.f3 Nf6–+) 11.g5+= Ng8 12.bc6 bc6 13.Qb3 h6 14.Na3 (better is 14.d4!? Qd6 15.gh6 Nh6 16.c4+=) 14...hg5–+ 15.Nb5?? (better is 15.h5–+) 15...cb5 16.Bb5 Bd7 17.Ne2 Rh4 18.Bd7 Nd7 (18...Kd7?! 19.Qb7 Qc7 20.Qd5 Qd6 21.Qb7 Qc7 22.Qd5 Qd6 23.Qb7 Qc7 24.Qd5=) 19.Rh4 gh4 20.0–0–0 (20.Qb7 Rb8 21.Qa7 Qh2–+) 20...h3 (better is 20...Rb8!? 21.Qa2–+) 21.Nf4 Rb8 22.Qd5 g5 (better is 22...Qd5 23.Nd5 Nc5 24.Nb4 Rb4 25.cb4 Nd3 26.Kc2 Nf2 27.Rc1–+) 23.Qe5 Ne5 24.Nh3 (24.d4 gf4 25.de5 fe3 26.fe3–+) 24...Nf3 (24...Nd3 25.Kc2 Rb2) 25.Kc2 (25.Ng1 Nf6 26.Nf3 ef3 27.Kc2–+) 25...Nf6 26.Ng1 g4 (better is 26...Ne5!? 27.Ra1–+) 27.Ne2 Kf8 28.Rh1 Kg7 29.c4 (29.Ng3 Ne5–+) 29...Rd8 30.Nd4 Nd4 31.ed4 Rd4 32.Kc3 Rd3 33.Kc2 Ra3 34.Rb1 Ra4 35.Kc3 Ra3 36.Kd4 Ra4 37.Rb5?? a5 38.Rg5 Kh6 39.Rf5 Kg6 40.Rb5 Ra3 41.c5 Ra4 42.Ke5 Rc4 43.Ra5 Kg5 44.Kd6 Rd4 45.Ke7 Rd2 46.c6 Kg6 47.c7 Rd7 48.Kf8 Rc7 49.Re5 Rc8 50.Ke7 Re8 51.Kd6 Re5 52.Ke5 e3! 53.fe3 g3 54.Kf4 g2 55.Kf3 g1Q 56.Ke2 Nd5 57.Kd3 Qe3 0–1. maddoxdb – h_mohammadpour, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 e4)

4.a4 f5 5.a5 c5 6.bc5 Bc5 7.Ba3 Qa5 8.Qb3 Bd7?? (better is 8...Nf6–/+) 9.Qd5+– Na6 10.Qe5 Ne7 11.Bc5 (better is 11.Ba6 Qa6 12.Bc5+–) 11...Qa1?? (better is 11...Qc5 12.Qg7 Ng6 13.Ba6 ba6+/–) 12.Qe7 1–0. maddoxdb – atrox0512, gameknot.com, 2012. (=1.c3 e5 2.b4 e4 3.e3 d5)

4.a4 f5 5.b5 c6 6.bc6 bc6 7.Be2 Ba6 8.Ba6 Na6 9.g4? (9.Ne2!?+=) 9...Qd7 (9...Nc5!? 10.Ba3 Nd3 11.Ke2 Ba3 12.Na3 fg4 13.Nc2–+) 10.h3 Be7 11.gf5 Bh4?? (11...Qf5!? 12.Ba3 Ba3 13.Na3 Nc5–+) 12.Qg4?? (better is 12.Qh5 Qf7 13.Qh4+–) 12...Qe7 13.Ba3 Qf6 14.Qf4 0–0–0 15.Ne2 g5 16.Qg4 h5 17.Qg2 Ne7 18.Be7 Qe7 19.Nd4 Qf6 20.0–0 c5 21.Nb5 Nb4 22.Qh2 Rd7 23.N1a3?? Nd3–/+ 24.Rab1 Qf5?? 25.Na7!+– Ra7 26.Qb8 Kd7 27.Qa7 Ke6 28.Rb6 Ke5 29.Qe7 Qe6 30.Qe6 1–0. maddoxdb – mickmack, gameknot.com, 2011. (=1.c3 d5 2.b4 e5 3.e3 e4)

4.Bb2 Nf6 5.h3 g6 6.Na3 Bg7 7.Nb5 0–0 8.Nd4 b6 9.b5 Be6 10.Ba3 Re8 11.g4 Nbd7?? 12.Nc6+/– Qc8 13.Ne7 Re7 14.Be7 Qe8 15.Bb4 Rc8 16.a4 c5 17.bc6! Rc6 18.g5 Nh5 19.Be2 Ne5 20.Bb5 Nd3 21.Ke2 Nb4 22.Bc6?? Qc6?? 23.cb4= Ba1 24.Qa1 Qc4 25.Ke1 Qb4 26.Ne2 a6 27.Nc3 d4 28.Ne4? d3?? 29.Nf6 Nf6= 30.gf6 Qc5 31.Kf1 Qc2?? 32.Ke1 Bd5 33.Rh2 Bf3–+ 34.h4 h5?? 35.Rh3= Bg2 36.Rg3+= Qc6 37.Rg5?? Qf3–+ 38.Qd1 Qh3 39.Rg6 fg6 40.Qb3 Kh7 41.Qf7 Kh6 42.Qg7# 1–0. orangechess – dajw, internet, 2007.

4.Qb3 Be7 5.a4 a5 6.Ba3 Nf6 7.b5 Ba3 8.Qa3 Qd6 9.Qd6 cd6 10.b6 (better is 10.Ne2!?=) 10...Nbd7–/+ 11.Bb5 0–0 12.Ne2 Nc5 13.0–0 Bd7 14.Nd4 Bb5 15.Nb5 Ra6 16.Nd6 Rb6 17.Nf5 Rb2 18.Nd4 Nb3 (18...Nfd7!?–/+) 19.Nb3+= Rb3 20.Na3 h5 (20...Rb2 21.Rfb1 Rd2 22.Rb7+=) 21.Nb5 (21.Rfb1!? Rb1 22.Rb1+=) 21...Rb2+= 22.Rfd1 Rc8 23.Nd4 Nd7 24.Nf5 Nc5?? (better is 24...Kf8+=) 25.Ne7+– (25.Ne7 Kf8 26.Nc8+–) 1–0. maddoxdb – lrburk, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 e4)

4.Qb3 Nf6 5.a4 Be6 6.b5 d4 7.c4 d3 8.f3 Nbd7 9.fe4 Nc5 (9...Ne4?! 10.Bb2 Qh4 11.g3 Ng3 12.Nf3–+) 10.Qc3 Nfe4 (10...Nce4?! 11.Qd3 Qd3 12.Bd3+=) 11.Qd4 Nb3 (better is 11...Qh4 12.g3 Qh5–+) 12.Qd8? (better is 12.Qe4 Na1 13.Qb7 Nc2 14.Kf2–/+) 12...Rd8 13.Ra3 (13.Bb2 Bc4 14.Ra2 Nbd2 15.Nd2–+) 13...Nc1 14.Kd1 (14.Ra1 Bc4 15.Nf3 Nb3–+) 14...Nf2 (better is 14...Ba3 15.Na3 Nb3 16.Nf3 Nf2 17.Ke1 Nh1 18.Ne5–+) 15.Kc1 Nh1 (better is 15...Ba3 16.Na3 Nh1–+) 16.Nc3 (16.Rd3 Bd6 17.Rd4–+) 16...Ba3 17.Kd1 Nf2 18.Ke1 Ng4 19.Nf3 Bc4 20.h3 Bb4 21.Ne4 Ne3 22.Kf2 Nd1 23.Kg1 f5 24.Ng3 Bc5 25.Kh1 f4 26.Ne4 Nf2 27.Nf2 Bf2 28.Ne5 Rf8 29.Nc4 Rd4 30.Ne5 Ra4 31.Nd3 f3 32.gf3 Bb6 33.f4 Ra1 34.Kg2 g5! 35.Ne5 Rf4 36.Bc4 Rf2 37.Kg3 Rg1 0–1. maddoxdb – c_h_r_i_s, gameknot.com, 2012. (=1.c3 e5 2.b4 e4 3.e3 d5)

4.Qb3 Nf6 5.h3 a6 6.c4 Be6 7.d3 c6 8.Nc3 Be7 9.f3?? ef3?? 10.Nf3–/+ h6 11.e4 de4 12.de4 0–0 13.Be3 a5 14.ba5 Ra5?? 15.Bb6+– Qd7?? 16.Ba5 Nh5 17.Rd1 Qc8 18.g4 Ng3 19.Rh2 Na6 20.Rb2 Nc5 21.Qb6 Nf1 22.Kf1 Bc4 23.Ne2 Na4+/– 24.Rbd2?? Nb6–+ 25.Bb6 f6 26.e5 Be2 27.Ke2 Qa8 28.ef6 gf6 29.h4?? Qa6 30.Kf2 Qb6 31.Kg2 Qb4 32.Kg3 b5 33.Nd4 Rd8 34.Nc6 Qc3 35.Kg2 Qc6 36.Kh3 Rd2 37.Rd2 Qc3 (38.Kg2 Qd2 39.Kf3 Bc5 40.Ke4 Qd4 41.Kf5 Qe5 42.Kg6 Qe4 43.Kh5 Qe8 44.Kh6 Bf8) 0–1. jimmyjazz – kii, internet, 2007.

4.c4 d4 5.c5 d3 6.Bb2 Nf6 7.Qa4 c6 8.Na3 Nd5 9.Bd4 Bd7 10.Nc4 Na6 11.a3 Be6 12.Na5 b5 (better is 12...Qc7+=) 13.cb6+/– ab6 14.Nc6?? (better is 14.Qc6 Ke7 15.Nc4+/–) 14...Qd7 15.b5 Nac7 16.Qd1 Nb5 17.Ne5 Qc7 18.f3 f5 (18...Ne3 19.Be3 Qe5 20.fe4 Qe4–+) 19.Qb3? (better is 19.Rc1 Bc5 20.fe4 fe4 21.Qh5 Kd8 22.Qg5 Be7 23.Nc6 Qc6 24.Rc6 Bg5 25.Re6 Nd4 26.ed4 Ra3 27.Re4–+) 19...Nd4–+ 20.Qb2 (20.ed4 Ra3! 21.Qb2–+) 20...Qe5 (better is 20...Nc2 21.Kf2 Na1 22.Qa1–+) 21.Qd4 (21.ed4 Qf6 22.fe4 fe4–+) 21...Qd4 22.ed4 Ba3 23.Kf2 0–0 24.Nh3 h6 25.g3 Bb2 26.Rb1 Bd4 27.Kg2 (27.Ke1 Ra2 28.Nf4 Nf4 29.gf4 Bd5–+) 27...Ra2 28.Rd1 Rfa8 29.Nf4 Nf4 30.gf4 Bd5 31.Kg3 ef3 32.Bd3 R8a3 33.Bf5 f2 34.Kg4 Bh1 35.Be6 Kh7 36.Ba2 Ra2 37.Rh1 Ra1 38.Ra1 Ba1 39.d4 f1Q 40.Kf5 Bd4 41.Ke4–+ Qc4 42.f5 b5 43.h4 b4 44.h5 b3 45.f6 Bf6 46.Kf5 Qd5 47.Kg4 b2 48.Kf4 b1Q 49.Ke3 Qdd3 50.Kf4 Qc1 51.Kg4 Qg5# 0–1. maddoxdb – maddog6, gameknot.com, 2012. (=1.c3 e5 2.e3 d5 3.b4 e4)

4.f3 Bd6!? –/+.

4.f3 ef3 5.Nf3= Bg4 6.h3 Bf3 7.gf3 g6 8.Bb2 Bg7 9.Ke2 Nc6 10.Qb3 Nf6 11.Na3 0–0 12.c4 dc4 13.Qc4? (13.Nc4 Re8+=) 13...Re8?? (13...Ne4! 14.fe4 Bb2 15.Nc2–+) 14.Rd1? (14.Rg1 Ne4 15.Qc1 Nd2 16.Bg7 Nf1 17.Rf1 Kg7 18.Qc3 Kg8–+) 14...Nd5 (better is 14...Nh5!? 15.Bg7 Ng3 (15...Kg7?! 16.Rg1+=; 15...Ng7?! 16.Kf2+=) 16.Ke1 Kg7–+) 15.Bg7+= Kg7 16.Nb5 Nf6 (better is 16...Ndb4 17.Kf2 a6 18.Nc7 Qc7–+) 17.Nd4?? (better is 17.Nc3+=) 17...Nd4–+ 18.Kf2 Ne6 19.Bd3 Qd7 20.Qb5 Qb5 21.Bb5 c6 22.Bc4 b5 23.Be6 Re6 24.e4 Re5 25.Rhg1 a5 26.a3 ab4 27.ab4 Ra4 28.d4 Re6 29.Rb1 Ra2 30.Ke3 Rc2 31.Kd3 Rc4 32.Rg5 White prepares e5 32...Rd6 33.d5 cd5 34.e5 Re6 35.ef6 Rf6 36.Rd5 Rf3 37.Ke2 Rh3 38.Kf2 Rf4 39.Kg2 Rhf3 40.Rb5 h6 41.Re5 Rf5 42.Rf5–/+ Rf5 43.b5 Rc5 44.b6 Rc8 45.Kf3 Rb8 46.Ke4 Kf6 47.Rb5? Ke7 48.Kd5 Kd7 49.Kc5 Kc8?? 50.Kc6+/– White plans b7 50...f5 51.b7 Kd8 52.Kb6 f4 53.Ka7 f3?? 54.Kb8 g5 55.Ka7 f2 56.b8Q 1–0. maddoxdb – nhonha, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 e4)

3.e3 Be6

4.a4 Bd6 5.a5 Nf6 6.Qb3 0–0 7.Ba3 b5 (better is 7...Nbd7!?–/+) 8.Bb5= c6 9.Be2 d4 10.Qc2 Bd5 11.f3 (11.ed4? Bg2 12.de5 Be5–+) 11...Re8 12.e4 (12.cd4 ed4 13.b5 de3 14.Bd6 Qd6–/+) 12...Be6 13.Qa4 dc3 14.Nc3 a6 15.b5?? (better is 15.Rc1=) 15...ab5 16.Qc2 Ra5 17.Qb2? (17.Bb2–+) 17...b4! 18.Bb4 Bb4 19.Ra5 Qa5 20.Nh3 Bh3 21.gh3 Bc3 22.dc3 Qc5 23.Kf1 Rd8 24.Kg2 Nbd7 25.Rd1 Qe3 26.Kh1 Qf4 27.Qb6 Rc8 28.Rd7 Nd7 29.Qb7 Rf8 30.Qd7 Qc1 31.Kg2 Qc3 32.Qf5 c5 33.Qd7 Qc2 34.Kf2 c4 35.Qd1 Qc3 36.Qa4 Qd4 37.Kf1 c3 38.Qd4 ed4 39.Bd3 Rc8 40.Bc2 Rd8 41.Bd3 Rc8 42.Bc2 d3! 43.Bd3 c2 44.Bc2 Rc2 45.Kg1 Kf8 46.h4 h5 47.h3 Ke7 48.Kf1 Ke6 0–1. maddoxdb – sbmr, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 Be6)

4.a4 Bd6 5.d4 Nc6 6.Be2 a6 7.Bg4 Qe7 8.Be6 Qe6 9.a5 (9.Ne2 Nge7+=) 9...Nf6 10.h3? (10.Ne2 0–0–/+) 10...0–0–0 (better is 10...ed4!? 11.cd4 Nd4–+) 11.Nf3 ed4 12.Nd4 Nd4 13.cd4 Bb4 14.Bd2 Qd6 15.Qb3 Bd2 16.Nd2 Ne4 17.Ne4 Qc6?? (better is 17...de4 18.Qf7 Qb4 19.Kf1 Rhf8=) 18.Nc5+– b5 (18...Qb5 19.Qa2 Qc4 20.Qb2+–) 19.0–0 (better is 19.ab6 cb6 20.Ra6 Kc7 21.Ra7 Kc8+–) 19...h5 20.Rfc1 h4 21.Nd3 Qg6 22.Qc3 (22.Ne5 Qe6 23.Qc3 Rd7+–) 22...Rd7 (22...Qd6 23.Rab1+–) 23.Nc5 (23.Qc5 Kb7 24.Ne5 Qd6 25.Nd7 Qd7+–) 23...Rd6 (23...Re7+–) 24.Na6! Ra6 (24...Ra6 25.Qc7#) 25.Qc7 1–0. maddoxdb – stacyannroe, gameknot.com, 2012.

4.Be2 Qg5 5.g3 e4 6.h4 Qf6 7.d3 ed3 8.Qd3 c6 9.e4 Na6 10.a3 Qd8 11.Bf4 de4 12.Qe4 Nc7 13.Nf3 Nf6 14.Qe5 Ncd5 15.Nd4 Nf4 16.Qf4 Bd6 17.Ne6 fe6 18.Qg5 0–0 19.Nd2 Qc8 20.0–0 a6 21.Kh2 Qe8 22.c4 Kh8 23.Nb3 e5 24.Rad1 Bc7 25.Nc5 b6 26.Nb3 Qe6 27.Qe3 Rfe8 28.Rd2 Rf8 29.Rfd1 e4 30.Nd4 Qe8 31.Qg5 h6 32.Qe3 c5 33.Nf5 Qe5 34.bc5 Qf5 35.cb6 Be5 36.Kg1 Rac8 37.Re1 Rcd8 38.Rd8 Rd8 39.b7 Rb8 40.Qb6 Qd7 41.Rb1 Qd2 42.Kf1 Qa2 43.Rd1 Qa3 44.c5 a5 45.c6 Qb4 46.Qb4 ab4 47.Rd4 b3 48.Rb4 g6 49.Rb3 Kg7 50.Ra3 Bc7 51.Kg2 g5 52.hg5 hg5 53.Bc4 g4 54.Be6 Kf8 55.Bc8 Ke7 56.Rc3 Kd6 57.Rc1 Bb6 58.Kf1 Kc7 59.Rc4 Rc8 60.bc8B Kc8 61.Rc1 Kd8 62.Ke1 Kc7 63.Rc4 Kd6 64.Kf1 Bc7 65.Kg2 Ke5 66.Rc1 Kd5 67.Kf1 Ne8 68.Ke2 Nd6 69.Rh1 Nc4 70.Rh7 Kc6 71.Rg7 Ne5 72.Ke3 Ba5 73.Ke4 Bc3 74.Rg8 Kd7 75.Kd5 Ke7 76.Rc8 Bb2 77.Rb8 Ba1 78.Rb7 Kf6 79.Ke4 Bc3 80.Rb6 Kg5 81.Rb3 Ba1 82.Rb8 Kf6 83.Rf8 Ke7 84.Ra8 Bb2 85.Rb8 Bc3 86.Rb3 Ba1 87.Rb1 Bc3 88.Kf5 Kd6 89.Rd1 Ke7 90.Rd5 Nd7 91.Rd3 Bh8 92.Re3 Kf7 93.Kg4 Bd4 94.Re2 Nf6 95.Kf5 Bc5 96.g4 Bd6 97.Rb2 Ne8 98.g5 Ng7 99.Kg4 Ne6 100.Rb7 Kf8 101.g6 Nc7 102.Kf5 Ne8 103.Ke6 Bc7 104.f4 Ng7 105.Kd5 Bd8 106.Rf7 Kg8 107.Ke4 Nh5 108.f5 Nf6 109.Ke5 Ng4 110.Ke6 Bg5 111.Rb7 Nf6 112.Ra7 Ne4 113.Rf7 Bh4 114.Ke5 Ng5 115.Rd7 Nf3 116.Kd5 Nd2 117.Rb7 Nf3 118.Rb3 Nd2 119.Rb4 Be7 120.Rb8 Kg7 121.Rb7 Kf6 122.g7 Kg7 123.Ke6 Kf8 124.Rb8 Kg7 125.Ke7 Ne4 126.Rb6 Kh7 127.f6 Nc3 128.Ke6 Na4 129.f7 Nb6 130.f8Q Nd7 131.Qf7 Kh6 132.Qg8 Kh5 133.Kf5 Nf6 134.Qg5# 1–0. SmarThink 0.02b – Cilian 4.13, WBEC2_3rdDivision, 2002.

3.e3 f5

4.Qb3 Nf6 5.c4 Be6 6.a4 d4 7.b5 c5 8.Nf3 h6 (better is 8...e4 9.Ng5 Bc8+=) 9.Ne5+/– Bd6 10.Ng6 Rg8 11.Bd3 Nbd7 12.ed4 cd4 13.Ba3 Ba3 14.Qa3 b6 (14...Kf7 15.Nf4 Qc7 16.Ne6 Qe5 17.Kd1+=) 15.a5 Nc5 16.Bc2 (better is 16.0–0 a6 17.Re1+–) 16...Bc4= 17.d3 Bf7 18.ab6 Bg6 (18...Qb6 19.Nh4 A) worse is 19...Qb5 20.Nf5 Qb6 21.0–0+/– (worse is 21.Nd4 Rd8 22.Ba4 Kf8+=); B) 19...g5+=) 19.Qc5+– Nd7?? (19...ab6 20.Qe5 Kd7 21.Qd4 Ke7 22.Qe3 Kd7 23.Ra8 Qa8 24.0–0+–) 20.Qd4 (20.Qc6 Kf8 21.Ra7 Qe7 22.Kd1 Bh5 23.f3 Re8 24.Qd7 Qd7 25.Rd7 g5+–) 20...Qe7? (20...Nb6 21.Qe3 Qe7 22.Kd2+–) 21.Qe3 (better is 21.Kf1 Qg5 22.Nc3+–) 21...Qe3 22.fe3 Nf6?? 23.Bb3 Rf8 24.Nd2 f4 25.e4 0–0–0 26.Ra7 Nd7 27.0–0 Nb6 28.Rc1 Kb8 29.Rcc7 Rf6 30.Rab7 Ka8 31.Ra7 Kb8 32.Rab7 Ka8 33.Ra7 Kb8= ˝–˝. maddoxdb – goobar121, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 f5)

4.Bb5 c6 5.Ba4 b5 6.Bc2 Nf6 7.Ne2 c5 8.0–0 Be6 9.bc5 Bc5 10.Bb2 Qd6 11.d4+= ed4 12.ed4 Bb6 13.Ng3 g6 14.Ba3 Qc6 15.Re1 Kf7 16.Qd2 Nbd7 17.Bc1 Bc7 18.Qe3?? f4–+ 19.Qe2 fg3 20.fg3 Rae8 21.Qd2 Ng4 22.Rf1 Kg7 23.h3 Ngf6 24.Qh6 Kg8 25.Bg5 Bf7 26.Qh4 Bd8 27.Nd2? Re2 28.Bd3 Re8 29.Rac1?? h6!–+ 30.Bf6 Nf6 31.Nf3? Ne4 32.Qf4 g5?? 33.Qf5?? Bg6 34.Qg4?? Nf6 35.Bg6 Ng4 36.Be8 Qe8 37.hg4 h5 (38.Rce1 Qc6 39.gh5 g4–+) 0–1. felippe (2100) – malaysianisme, net–chess.com, 2003.

4.d4 Nd7 5.Bb5 c6=+ 6.Ba4 Qg5 7.Qf3 ed4–/+ 8.ed4?? Qc1–+ 9.Qd1 Qb2 10.Nd2 Qc3 11.Ne2 Qb4 12.0–0 Ngf6 13.Re1 Be7 14.Nf3 0–0 15.Rb1 Qd6 16.Ng3 Nb6 17.Bb3 f4 18.Ne4 Ne4 19.Re4 Bf5 20.Nd2 Kh8 21.Re1 Bb1 22.Qb1 Bf6 23.Nf3 Rae8 24.Rf1 g6 25.Qd3 Qe6 26.h3 Qe2 27.Qb1 Qe6 28.a4?? Nc8 29.Bc2 Nd6 30.Bd3 a6 31.Qc2 Ne4 32.Qb3 b5 33.ab5 cb5 34.Re1 g5 35.Nh2 h5 36.f3 Bd4 37.Re3 Be3 38.Kf1 Nd2 39.Ke2 Nb3 40.Kd1 Bg1 41.Kc2 Nd4 42.Kc3 b4! 43.Kb4 Rb8 44.Ka4 Qc6 45.Ka3 Qc3 (46.Ka4 Qb4#) 0–1. Rudolf – thotares (1665), internet, 2007.

3.e3 Bf5

4.a4 a5 5.Ba3 b6 6.ba5 ba5 7.Bf8 Kf8 8.g4 Bb1 9.Rb1 Nd7 10.Qf3 c6 11.Be2 Ne7 12.d4 e4 13.Qg3 g5 14.h4 f6 15.hg5 fg5 16.Nh3 h6? (better is 16...Nc8+/–) 17.Ng5!+– Kg8 (17...hg5 18.Rh5 Double attack (18.Rh8 Pinning; 18.Rh8 Deflection; 18.Rh5 Decoy; 18.Rh8 Clearance)) 18.Qd6 (better is 18.Ne6!? Qc8 19.Qd6+–) 18...hg5 19.Rh8 Kh8 20.Qh6?? (better is 20.Rb7 Ng8 21.Rd7+– (worse is 21.Qd7 Qd7 22.Rd7 Rb8+–)) 20...Kg8+= 21.Qg5 Kf7 22.Qh5 Ke6?? (22...Kg7 23.Qg5 Ng6 24.Qd8 Rd8 25.Rb7+=) 23.c4?? (23.g5 Rb8 24.Bg4 Nf5 25.Qg6 Ke7+–) 23...Nf6?? (23...Rb8 24.Qh6 Kf7 25.Qh7 Kf8 26.Qh6 Kg8 27.Rb8 Nb8 28.g5=) 24.Qh2?? Qg8?? 25.Qe5+– Kf7 26.g5 Nh7 27.g6! Ng6?? 28.Bh5 Rc8?? 29.Rb7 Kf8 30.Qf5 Ke8 31.Bg6 Qf7 32.Qc8 1–0. maddoxdb – mchesster, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 Bf5)

4.d3 Nf6 5.e4 de4–+ 6.f3? ed3 7.Qa4 Qd7 8.Qd7 Nbd7 9.g4 Bg6 10.Bg5 h6 11.Bf6 Nf6 12.Nd2 Nd5 13.Rc1 Be7 14.Bd3 Bd3 15.Nb3 0–0–0 16.Ne2 Bh4 17.Ng3 e4 18.Nc5 Nf4 19.fe4 b6 20.Nd3 Nd3 21.Ke2 Nc1 22.Kf3 Rd3 23.Kf4 Bg5 24.Ke5 Re8 25.Kf5 g6 0–1. MC Q – touwladder, ChessWorld.net, 2004.

4.Nf3 Bd6 5.Be2 Nf6 6.0–0 c6 7.Nh4 Bb1 8.Rb1= Ne4 9.Nf3 f5 10.Qc2 0–0 11.d3 Ng5 12.c4 Nf3= 13.Bf3 e4 14.de4 fe4 15.Bg4 Nd7 16.a3 Ne5 17.Be2 Rc8 18.cd5= cd5 19.Qb3 Nf7 20.Bb2 Nh6?? 21.h3?? Kh8 22.Rfd1 Rf5 23.Rd4 Qg5 24.Rbd1 Rd8 25.Kf1?? Rf2!! 26.Kf2 Qg3 27.Kg1 Rf8 28.Bf3 Qh2 29.Kf1–/+ ef3 30.Rd5 Qg2 31.Ke1 Qe2 0–1. guerino (2100) – rodnel, net–chess.com, 2006.

4.Nf3 Nd7 5.Qb3 Ngf6 6.Nh4 Be6 7.d4 Ng4 8.Be2?? (better is 8.g3–/+) 8...Qh4–+ 9.g3 Qf6 10.f3 Nh6 11.Na3 c6 12.b5 Nb6 13.c4 (13.bc6 bc6 14.Nc2 Rb8–+) 13...Ba3 (13...dc4 14.Qb2 ed4 15.bc6 bc6 16.Qd4 Bb4 17.Kf2–+) 14.Ba3 (14.cd5 Bc1 15.de6 Be3 16.ef7 Kf8 17.Qe3 ed4–+ (17...Nf7?! 18.de5 Qe5 19.Qe5 Ne5 20.f4–+)) 14...dc4 (worse is 14...Nc4 15.bc6 b6 16.Bb2–+) 15.Qb4 (15.Qb2 ed4 16.ed4 Nf5 17.bc6 bc6–+) 15...Nd5 (15...ed4 16.bc6 d3 17.cb7–+) 16.Qd6 (16.Qc4 Ne3 17.Qa4 Bd7 (worse is 17...ed4 18.bc6 b6 19.Rc1–+) 18.de5 Qe5–+) 16...Rd8 (better is 16...ed4 17.bc6 d3 18.Rc1–+) 17.de5 Qe7 (17...Qg5!? 18.f4 Qg6 19.Qc5–+) 18.Qe7 Ne7 19.bc6 (19.Be7 Ke7 20.bc6 bc6–+) 19...Nc6 20.Bb2 (20.Rb1 b6–+) 20...Nb4 21.0–0 Rd2 22.Ba3 (22.Bc3 Re2 23.Bb4 Re3 24.Rae1–+) 22...Nc2 23.Rac1 (23.Rab1 b6 24.Bc5 Re2–+) 23...Na3 24.Bd1 0–0 25.Rf2 Rfd8 26.Rd2 Rd2 27.f4 (27.Ba4 b5 28.Rd1 Rd1 29.Bd1 c3–+) 27...Nf5 (27...Bd5 28.g4–+) 28.g4 (28.e4 Nd4 29.f5 Bd7–+) 28...Ne3 29.Bf3 Bd5 30.Rc3 Bf3 (better is 30...Rd3!? 31.Rd3 cd3 32.Kf2–+) 31.Re3 Rd3 32.Re1 (32.Kf2 Bg4 33.h3 Bh3–+) 32...Rd1 33.Rd1 Bd1 34.f5 c3 35.e6 fe6 36.fe6 Kf8 37.Kf2 c2 38.Kg3 c1Q 39.Kh4 Qc4 40.h3 Qe6 41.Kh5 Qh6 0–1. Mandamin,Amelia – Ho,Patricia, CAN–ch U16 Girls, 2005. (=1.e3 e5 2.c3 d5 3.b4 Bf5)

3.e3 Nf6

4.a3 Be7 5.c4 a5 6.b5 Nbd7 7.Bb2 0–0 8.Nc3 (8.d4 ed4 9.Bd4 Nc5+=) 8...d4–/+ 9.Na4 Nc5 10.b6 (10.Nc5!? Bc5 11.Qc2–/+) 10...Na4 11.Qa4 c5 12.h4 (12.Be2!? Bf5–+) 12...Ra6 13.ed4 Rb6 14.de5? (14.Qc2 ed4 15.Bd3–+) 14...Rb2 15.ef6 (15.Nf3 Ng4 16.Qd1–+) 15...Qd2 0–1. Eries – marekt, ChessWorld.net, 2012.

4.Na3 Be7 5.d4 Nc6 6.g3 Bf5 7.Nh3 h6 8.Bg2 0–0 9.0–0 Qd7 10.de5 Ne5 11.Bb2?? Bh3–+ 12.c4 Bg2 13.Kg2 Nc4 14.Bf6 Bf6 15.Nc4 Rad8 16.Na3 Ba1 17.Qa1 c6 18.f4 d4 19.Rd1 Qd5 20.Kg1 Qe4 21.Nc2 Qc2 22.Qc1 Qc1 23.Rc1 de3 24.Kf1 Rfe8 25.Ke2 Rd2 26.Ke1 Rh2 27.a4 e2 28.g4 Rh1 29.Kd2 Rc1 30.Kc1 e1Q 31.Kc2 Re3 (32.b5 Qf2 33.Kd1 Re1) 0–1. crazy 8 – Whiterose, ChessWorld.net, 2005.

4.Na3 Bf5 5.Qa4 c6 6.Nb5?? cb5–+ 7.Qb5 Nc6 8.Qb7 Ne7 9.Bb5 Bd7 10.a4 Bb5 11.ab5 Qc8 12.Qa6 Qa6 13.Ra6 Nf5 14.b6=+ Ne4 15.b7 Rb8=+ 16.Ra7 Nfd6?? 17.f3 Ng5?? 18.Nh3 Nh3?? 19.gh3?? Nb7 20.f4 Nd6 21.fe5=+ Ne4 22.Rf1 Ng5 23.Rf5 Nh3 24.Rff7 Ng5 25.Rfd7 Rd8 26.Rdc7 Ne6?? 27.Rc6+– Ng5 28.d4?? Nf3?? 29.Kf2 Nh2?? 30.Re6+– Be7 31.Ree7 Kf8 32.b5 Re8 33.Rf7 Kg8 34.Rg7 Kf8 35.Raf7# 1–0. wonderhorse – donsjostedt, net–chess.com, 2004.

4.a4 a5 5.Ba3 ab4 6.Bb4 Nc6 7.Bf8 Rf8 8.Qb3 Be6 (better is 8...e4!?+=) 9.Qb7+= Na5 10.Qb2 Rb8 11.Qa3 Qd6 (better is 11...Bf5!? 12.Qa2 c6+=) 12.Qd6+/– cd6 13.Bb5 Ke7 14.Ne2 Bd7 15.Bd7 Kd7 16.0–0 Rb2 17.Ng3 Ke6 18.Re1 e4 (18...Rfb8 19.d4+=) 19.f3 Nb3 20.Ra3 Nd2 (20...Rb8!?+=) 21.Nd2= Rd2 22.f4 (22.a5 Ra8+=) 22...Ra8 23.h3 Nd7 24.Nh5 (24.Rb1 Ra5=) 24...Nc5 (24...g6 25.Ng3–/+) 25.Rb1? (25.a5 g6 26.Ng3 Nd3+=) 25...Nd3?? (better is 25...g6 26.f5 Ke5 27.fg6 fg6–+) 26.Ng7+= Kf6 27.Nh5 Ke6 28.Ng3 Nc5 (28...Rb2!? 29.Rba1 Ra5=) 29.f5 Ke5 30.Nf1 Re2 31.Ng3 (better is 31.a5+=) 31...Re3+= 32.Kh2? (32.Kf2 Rd3 33.a5 Rg8+=) 32...Rg8 33.Nh5 Kf5 34.Rf1 Ke6 35.Rf6 Ke7 36.a5 Na6?? 37.Ra1 Rg5 38.Rh6 Re2 39.Rg1 Rf2 40.h4 Rgf5 41.Rh7 e3 42.Ng3 Nc5?? 43.Nf5+– Rf5 44.a6! Na6 45.Rh8 Nc5 46.Re1 Re5 47.Ra8 Nd3 48.Ra7 Ke6 49.Re2 Nf4 50.Re1 f5 Black intends e2 51.g3 Nd3 52.Re2 f4 53.gf4 Nf4 54.Re1 e2 55.Ra2 Kf6 56.Kg3 Kf5 57.Ra7?? Nd3–+ 58.Re2 Re2 59.Rf7 Kg6 60.Rf3 Ne5 61.Rf2 Re4 62.h5 Kh5 63.Rf6 Rg4 64.Kf2 Nc4 65.Rf5 Rg5 66.Rf8 Kg4 67.Rf3 Rf5 68.Rf5 Kf5 69.Ke2 Ke4 70.Kd1 If White now only could play Na3... 70...Kd3 71.Kc1 Kc3 72.Kd1 d4 73.Ke2 d5 74.Kd1 d3 75.Kc1 d4 76.Kd1 d2 77.Ke2 d3 78.Kd1 Nb2# (78...Ne3#) 0–1. maddoxdb – knightspawn5, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.a4 a6 5.b5 ab5 6.Bb5 c6 7.Be2 e4 8.a5 Ra5 9.Ra5 Qa5 10.Qb3 Nbd7 11.c4 Nc5 12.Qc3 Qc3 13.Nc3 Bg4 14.h3? (better is 14.f3 Be6 15.cd5 cd5 16.Bb2–+) 14...Be2 15.Nge2 Nd3 16.Kf1 Nc1 17.Nc1 Bc5 (better is 17...dc4 18.N1e2 Bd6–+) 18.Nb3 Bb4 19.Na4? (better is 19.cd5 cd5 20.Ke2–/+) 19...dc4–+ 20.Nbc5 (20.Nd4 Nd5 21.Ke2 Kd7–+) 20...0–0 (better is 20...Ke7!? 21.Ke2 Rd8 22.Rd1–+) 21.Ke2 Rd8 22.Rb1 Rd2 23.Kf1 Bc5 24.Nc5 c3 25.Ke1 Nh5 (better is 25...b5–+) 26.Ne4–/+ Rd3 27.Rc1 Rd5 28.Nc3 Rg5 29.g4 Nf6 30.Ra1 h6 31.Ra7 Rc5 32.Na4 Rc4 (better is 32...Rc1!? 33.Kd2 Ra1 34.Ra8 Kh7–+) 33.Nb6+= Rb4 34.Ra8 (better is 34.Rb7!? Kh7 35.Rb8+=) 34...Kh7–+ 35.Nc8 Rb2 36.Nd6+= b5 37.Rc8 b4 38.Rc6 b3 39.Rb6 Nd5 40.Rb8 f6 41.Kf1 Nc7 42.h4 Na6 43.Rb6 Nc5 44.Nc4 Rc2 45.Kg2?? Rc4–+ 46.Kf3 Rc2 47.g5 fg5 48.hg5 hg5 49.Rb4 b2 50.Kg4 Nd3 51.Rb7 Rc1 52.Rb2 Nb2 53.Kg5 Nd3 54.f4 Rf1 55.Kf5 g6 56.Ke4 Nf2 57.Kd4 Rd1 58.Ke5 Rd3 59.e4 Re3 60.Kd4 Re4 61.Kd5 Rf4 62.Ke5 Rf8 63.Kd4 g5 64.Ke3 g4 65.Ke2 Ne4 66.Ke1 g3 67.Ke2 g2 68.Ke3 g1Q 69.Ke4 Qe1 70.Kd5 Rd8 71.Kc4 Qc1 72.Kb3 Rb8 73.Ka2 Qb2 0–1. maddoxdb – minileto, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.a4 b6 5.a5 b5 (better is 5...Bd6!?+=) 6.Bb5+= c6 7.Be2 a6 8.Ba3 e4 9.c4 Bd6 10.c5 Be5 11.Nc3 0–0 12.Rc1 g6 13.Na4 Nbd7 14.Nb6 Rb8 15.Nd7 (15.f4 Bc7+/–) 15...Bd7 (better is 15...Nd7!? 16.d4 Qg5+=) 16.Ba6+/– Ng4 17.h3?? (17.d4 Qf6 18.f4 Bc7+/–) 17...Nh6?? (better is 17...Qh4 18.Qe2 Nf2 19.Qf2 Bg3 20.Qg3 Qg3 21.Kf1 Ra8–+) 18.Qc2 Nf5 19.Bb2 Rb4?? 20.Be5+– Qa5 21.Bc3 Qa6 22.Bb4 Rb8 23.Rb1 Nh4 24.Bc3 Ng2 25.Kd1 Qf1 0–1. maddoxdb – toenailzz, gameknot.com, 2013. (=1.c3 d5 2.b4 e5 3.e3 Nf6)

4.a4 Nc6 5.Ba3 Bf5 6.d3 Ne7 7.b5 Ng6 8.Bf8 Nf8 9.Nd2 Ne6 10.g3 0–0 11.Qc2 c6 12.bc6 bc6 13.Ngf3 Qc7 14.d4?? (better is 14.Nh4 Bg4 15.h3+=) 14...Bc2–+ 15.Bh3 (15.Ne5 Rab8–+) 15...ed4 16.Be6 (16.cd4 Rab8–+) 16...fe6 (better is 16...de3 17.fe3 fe6 18.0–0–+) 17.0–0 (17.cd4 Ne4 18.0–0 Bd3 19.Ne4 de4–+) 17...Ne4 (better is 17...dc3 18.Nd4 Bd3 19.Ne6–+) 18.Ne4 de4 (better is 18...Be4!? 19.Nd4 Rae8 20.a5–+) 19.Nd4 Qa5 (better is 19...Bd3 20.Ne6 Qf7 21.Nf8 Rf8 22.a5–+) 20.Nc2 Qc3 21.Nd4 e5 22.Ne6 Rf6 23.Ng5 Qd3 24.Rad1 Qa6 25.Rd7 Qa4 26.Kg2 c5 27.Rb1 Qa2 28.Rf1 h6 29.Ne4 Rb6 30.Rfd1 c4 31.Rc7 Qc2 32.Rdd7 Qe4 33.Kh3 Qf5 34.g4 Qf3 35.Kh4 Qf2 36.Kh3 Qe3 37.Kh4 Qg5 38.Kg3 Rb3 39.Kf2 Rf8 40.Ke2 Qe3 41.Kd1 Rf1 42.Kc2 Qc3 0–1. maddoxdb – illinawek, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.a4 Nc6 5.b5 Na5 6.Nf3 e4 7.Nd4 Bg4 8.Be2 Be2 9.Qe2 Bc5 10.Nf5? (better is 10.0–0+=) 10...g6 11.Nd4 Nc4?? (better is 11...Bd4 12.cd4 Nb3–+) 12.Ba3 Qd6 13.Nc2 0–0–0 14.Bc5 Qc5 15.0–0 Nb2 16.Nd4 Nd3 17.f3 Ne5 18.Nb3 Qc4 19.Qc4 Nc4 20.fe4 Ne4 21.Rf7 Rdf8 22.Rf8 Rf8 23.d3?? (better is 23.h3 Ng3 24.Na3+=) 23...Ne3–/+ 24.N1d2 Nc3 25.h3?? Rf4 26.d4?? Ne2–+ 27.Kh2 Rf2 28.Nc5 Rg2 29.Kh1 Ng3 0–1. maddoxdb – imun, gameknot.com, 2013. (=1.e3 e5 2.c3 Nf6 3.b4 d5)

4.a4 d4 5.b5 a5 6.Bc4 Bg4 7.f3 Bh5 8.g4 Bg6 9.Qb3 dc3 10.Qc3 Qd6?? (10...Nbd7 11.Ba3–/+) 11.Bb2 (better is 11.Ba3!? Qb6 12.Qe5 Kd8 13.Qc3+/–) 11...e4 12.Qb3 (12.Ba3 Qd7=) 12...c6 13.Bf6 (13.bc6 Nc6 14.g5+= (14.Qb7?? Rb8 15.Qa6 Rb2–+)) 13...Qf6–/+ 14.f4? (better is 14.Qc3 Qh4 15.Kd1 ef3 16.Qe5 Be7 17.bc6 Nc6 18.Qf4–+) 14...Qa1–+ 15.f5 Qf6 16.fg6 hg6 (16...Qg6?! 17.bc6 Bb4 18.cb7–/+) 17.Nh3 (17.bc6 Nc6 (worse is 17...bc6 18.Qb7+=) 18.Ne2 Qe7–+) 17...Qf3 (better is 17...Rh3 18.bc6 Nc6–+) 18.Nf2 f5?? (better is 18...Nd7 19.Be2 Qf6–+) 19.Bf7 Kd8 20.Qe6? (better is 20.bc6!? Nc6 21.Qb6 Kc8 22.Bg6+=) 20...Be7 21.Bg6 Rf8?? 22.Bf5+– cb5?? 23.Qc8 1–0. maddoxdb – kamalakannan74, gameknot.com, 2013. (=1.c3 Nf6 2.b4 d5 3.e3 e5)

4.a4 d4 5.ed4 ed4 6.Bb2 Qe7 7.Qe2 Qe2 8.Ne2 dc3 9.Bc3 Be7 10.Nf4 Bf5 11.b5 Nbd7 12.Bc4 0–0 13.0–0 Ne4 14.Bd4 Bc5 15.Bc5 Ndc5 16.f3 Nd6 17.Na3 Rfe8 (17...Na4 18.Nd5 Nb6 19.Rfc1+=) 18.d4 (18.Rfc1!? Nc4 19.Rc4= (worse is 19.Nc4 Nb3–+)) 18...Nc4 19.Nc4 Bd3?? (better is 19...Nb3!? 20.Rae1 Nd4 21.Re8 Re8–/+) 20.Nd3 (better is 20.Rfc1!? Nb3 21.Nd3+/–) 20...Nd3= 21.Na5 b6 22.Nc6 a5 23.Ra3 Nb4 24.Rc3 Re2 25.Ne5 Rc8 26.Rfc1 Nd5 27.Rc6 f6 28.Ng4? Rce8–+ 29.h3 Re1 30.Re1 Re1 31.Kh2 Re7 32.Nf2 Nb4 33.Rc1 g5 34.Ng4 Nd5 35.Nh6 Kf8 36.Nf5 Rd7 37.Re1 Nc3 38.Re6 Kf7 39.Re3 Na4 40.Nh6? Kg6–+ 41.Ng8 Rd4 42.Ne7 Kf7 43.Nf5 Rd7 44.h4 gh4 45.Nh4 Re7 46.Rd3 Nc5 47.Rd8 Nb7 48.Rh8 Kg7 49.Rb8 Nd6 50.Rd8 Re5 51.Rd7 Kh6 52.f4? Rb5 53.Rc7 Nf5 54.Nf3 a4 55.Ra7 Ra5 56.Rb7 b5 57.Rb6 Kg6 58.g4 a3 59.gf5 Kf5 60.Nd4 Kf4 61.Nc2 a2 62.Rf6 Ke4 63.Rf1 Kd3 64.Na1 b4 65.Rf3 Ke2 66.Rh3 Ra7 67.Rb3 Ra4 68.Rb2 Kd1 69.Nb3 a1Q 70.Na1 Kc1 71.Rb3 Ra2 72.Kh1 Rb2 73.Rh3 Kb1?? 74.Nb3–/+ Ra2 75.Rh7 Kc2 76.Nd4 Kc3 77.Nb5 Kb2 78.Rb7 b3 79.Nd4 Ra3 ˝–˝. maddoxdb – tetrapode, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.a4 Bd6 5.a5 0–0 6.Na3 c6 7.b5 (7.Be2 e4–/+) 7...Be6 8.bc6 bc6 9.a6 Re8 10.Qb3 Qb6 11.Qb6 ab6 12.f3 (better is 12.Nc2!?–+) 12...Na6 13.Ba6 Ra6 14.Bb2 (14.Nc2 Ra1 15.Na1 Ra8–+) 14...e4 (14...Rea8 15.Nc2 Ra1 16.Ba1–+) 15.f4?! (15.Nc2 Ra1 16.Ba1 Ra8–+) 15...Ba3 (better is 15...Rea8!? 16.Rb1 Ba3 17.Ba3 Ra3 18.Rb6 Ra1 19.Ke2–+) 16.Ra3 Rea8 17.Ra6 Ra6 18.Ne2 Ra2 19.Bc1 Bg4 20.h3 Be2 21.Ke2 Nd7 22.g4 Ra1 (better is 22...Nc5 23.Rf1 Nd3–+) 23.Rd1 Nc5 24.Bb2 Rd1 25.Kd1 Nd3 26.Bc1 Nf2 (26...g5 27.fg5 Nf2 28.Ke2 Nh3 29.Ba3–+) 27.Kc2? (better is 27.Ke2 Nh3 28.Kf1–/+) 27...Nd3 28.h4?? (28.Kd1 c5 29.g5–+) 28...f6 29.f5 g6 30.Ba3 Kg7 31.Be7 Kf7 32.Bd8 b5 33.g5 fg5 34.Bg5 gf5 35.h5 Ke6 36.h6 f4! 37.ef4 Kf5 38.Be7 Kf4 39.Bd6 Kg5 40.Bf8 Nf2 41.Kb3 Ng4 42.Kb4 Nh6 43.Bh6 Kh6 44.Kc5 Kg5 45.Kc6 h5 46.Kd5 h4 47.Ke4 Kg4 48.Ke3 Kg3 49.d4 h3 50.d5 h2 51.d6 h1Q 52.Kd4 Qc6 53.d7 Qd7 54.Kc5 Kf3 55.Kb4 Ke3 56.c4 bc4 57.Kc4 Qd4 58.Kb5 Ke4 59.Kc6 Qd5 60.Kb6 Kd4 61.Kc7 Kc5 62.Kc8 Kc6 63.Kb8 Qd7 64.Ka8 Qb7 0–1. maddoxdb – rendite, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.a4 Bd6 5.b5 a5 6.Qb3 b6 7.Ba3 c5 8.c4 (better is 8.bc6!? Nc6 9.Bb5=) 8...d4 9.Ne2 0–0 10.Ng3 g6 11.Bd3 Re8 12.Ne4 Nh5 13.Ng3 (13.Nd6 Qd6 14.0–0 Nf6=) 13...Qg5 14.Nh5 Qh5 15.Be4 Ra7 16.Bc6 Re6 17.Bd5 Rf6 18.Qd1 (18.e4 Be6 19.Be6 Re6+=) 18...Qf5 (18...Qd1!? 19.Kd1 Rf2–/+) 19.f3 Re7 20.e4 Qf4 21.g3? (better is 21.0–0!?=) 21...Qf3–/+ 22.Qf3 Rf3 23.Rf1 Rf1 24.Kf1 Bb7 25.d3 Bd5 26.cd5 f6 27.Nd2 Rf7 28.Nc4 Bc7 29.Kg2 f5 (29...Nd7 30.Re1–/+) 30.Rf1 (better is 30.d6!? Bd8 31.Ne5=) 30...fe4 31.Rf7 Kf7 32.d6 Bd8 33.de4 Nd7 34.Kf3 g5 35.Kg4? (35.Bc1 Ke6–/+) 35...Kg6 (better is 35...Ke6 36.Kf3 Nf6–+) 36.Bc1 h5 37.Kf3 g4 38.Kg2 h4 39.Bd2 h3 40.Kf2 Kf6 41.Bh6 Ke6 42.Bg7 Bf6 43.Bh6 Kf7 44.Bd2 Bd8 45.Ke2 Nf6 46.Kd3 Ke6 47.Bg5 Nh5?? 48.Bd8+– Ng3 49.Nb6 Ne4 50.Ke4?? g3–+ 51.Nd7 gh2 52.Ne5 h1Q 53.Kd3 Ke5 54.d7 Ke6 55.b6 Kd7 56.b7–+ Qb7 57.Bg5 h2 0–1. maddoxdb – argyll, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.a4 Bd6 5.Bb5 c6 6.Be2 Bf5 7.b5 0–0 8.bc6 Nc6 9.Ba3 Ba3 10.Na3 a6 11.d4 ed4 12.cd4 Qa5 13.Kf1 Ne4 14.Qe1?? (better is 14.Nf3–/+) 14...Nd2–+ 15.Qd2 Qd2 16.Nf3 Qb2 17.Re1 Qa3 18.Nh4 Bg6 19.Ng6 fg6 20.g3 Qa4 (better is 20...Qe3! 21.f4 Rfe8 22.Kg2 Nd4 23.Ba6 Qd2 24.Kh3 Re1 25.Re1 Qe1 26.Bd3–+) 21.Kg2 Qc2 22.Rb1 Qe2 23.Rhf1 Qf3 24.Kg1 h5 25.Rb7 h4! 26.Rc7 (26.gh4 Qg4 Double attack (26...Qg4 Decoy)) 26...h3 27.Rc6 Qg2 0–1. maddoxdb – recursiondepth, gameknot.com, 2013. (=1.c3 Nf6 2.b4 d5 3.e3 e5)

4.a4 Ne4 5.f3?? (better is 5.Nf3+=) 5...Qh4–+ 6.Ke2 (6.g3 Ng3! 7.hg3 Qh1–+) 6…Ng3! (6...Ng3 7.hg3 Qh1–+) 0–1. Frisbee – Wall,Bill, internet, 2001.

4.a4 Be6 5.h4 Bd6–/+ 6.Na3 0–0 (6...a6 7.Nf3 Bg4 8.Be2 a5 9.b5 e4 10.Nd4 Be2 11.Qe2 0–0 12.Nf5 Be5–/+; 6...c6 7.Nf3 a5 8.b5 0–0 9.Be2 Bg4 10.d3 Nbd7 11.c4 Qe7 12.bc6 bc6–/+) 7.h5 (7.Nb5 Be7 8.Nf3 a6 9.Na3 Bg4 10.Qb3 Nc6 11.d3 Re8 12.Qc2 e4–/+) 7...h6 (7...a5 8.ba5 Ra5 9.Nb5 Be7 10.d4 Nc6 11.h6 g6 12.Ba3 Ba3–/+) 8.Nc2 (8.Nb5 Be7 9.d4 e4 10.a5 a6 11.Na3 Bd6 12.Be2 Qd7–/+) 8...Nbd7 (8...a5 9.b5 c5 10.bc6 bc6 11.Rb1 Nbd7 12.Ba3 Ba3–/+) 9.a5 (9.Ba3 Re8 10.b5 Nc5 11.Nf3 Nfe4 12.Be2 Nb3–/+) 9...c5 10.b5 (10.Be2 cb4 11.Nb4 a6 12.Nf3 Bg4–/+) 10...d4! (10...a6 11.b6 e4 12.d4 ed3–/+) 11.c4 e4 12.d3 Ne5 13.ed4 cd4 14.Nd4?? Bb4 15.Bd2 Bd2 16.Qd2 Qd4 17.Ra4 ed3 18.Nf3 Qe4 19.Qe3 Nf3 20.gf3 d2! 21.Kd2 Qb1 22.Rg1 Qb2 23.Ke1 Rfe8 24.c5 Bf5 25.Re4 Be4 26.Be2 Bf5 27.Rg7 Kg7 28.Qh6 Kh6 29.Kf1 0–1. Van Duuren,Frank – Doell,D (2145), Guernsey Open, Les Dicqs GCI, 2002. (=1.e3 Nf6 2.b4 e5 3.c3 d5)

4.a4 Be7 5.Ba3 b6 6.b5 c5 7.Nf3 Bg4 8.h3 Bh5 (better is 8...Bf3!? 9.Qf3 e4+=) 9.g4= Bg6 10.Ne5 Be4 11.f3 Bg6 (better is 11...Qc7 12.d3 Qe5 13.de4 Qg3 14.Ke2 de4 15.fe4 Nbd7–+ (15...Ne4?! 16.Qd5 Qf2 17.Kd3=)) 12.Ng6 fg6 13.g5 Nh5 14.h4 0–0 15.Bh3 Ng3 16.Rg1 Qc7?? (better is 16...Nf5+=) 17.Be6+– Kh8 18.Bd5 Nc6 (18...Nd7 19.f4 Nh5 20.Ba8 Ra8+–) 19.Bc6 Rad8 20.f4 Nf5 21.Qe2 Bd6 22.Be4 (22.h5 Qf7+–) 22...Nh4 (22...Rfe8 23.d3 c4 24.Bf5 gf5 25.Bd6 Rd6 26.dc4+–) 23.Rg4 Nf5 24.Bf5 gf5 25.Rh4 g6 26.c4 Qg7 27.Nc3 Rfe8 28.Bb2 Kg8 29.Rb1 Qb7 30.Nd5 Be7 31.Nf6 Bf6 32.Bf6 Rd7 33.Rh3 Qe4 34.Rb2 Rd3 35.Qh2 Rd7 36.Qh1 Qc4 37.Rb1 Qa4?? 38.Rh6 Qf4?? 39.Rg6!+– hg6 40.Qh8 Kf7 41.Qg7 Ke6 42.Qg6?? Qg3 43.Kd1 Qf3 44.Kc2 Rc8 45.Bc3 Kd5–/+ 46.Rb3 Qe4 47.Kb2 Kc4 48.Ra3? Kb5–+ 49.Rb3 Ka6 50.Qh5 c4 51.Qe2 Rd3 52.Ra3 Kb7 53.Qh5 Qc6 54.g6 Qb5 55.Ka2 a5 56.g7 Qd5 57.Qh7 Ka6 58.Ba5?? Ra3 59.Ka3 Qa5 60.Kb2 c3 61.Kc2 cd2 62.Kd1 Rc1 63.Ke2 d1Q 64.Kf2 Qae1 65.Kg2 Qg4 66.Kh2 Qeg1# 0–1. maddoxdb – blockhead45, gameknot.com, 2012. (=1.c3 d5 2.b4 Nf6 3.e3 e5)

4.a4 Be7 5.a5 0–0 6.Qc2 Nc6 7.b5 Nb8 8.Bd3 e4 9.Be2 b6 10.a6 Bc5 11.Ba3 Ba3 12.Na3 c6 13.bc6 Nc6 14.Qb3 Na5 15.Qa4 Bd7 16.Bb5 Bb5 17.Nb5 Nc4 18.Na3 Ne5 19.Ne2? (better is 19.Nh3!?–+) 19...Nd3 20.Kf1 Nb2 (better is 20...Ng4 21.g3 Ngf2–+) 21.Qb5 Nd3 (better is 21...Nc4–/+) 22.Nd4?? (22.Qa4 Ng4 23.g3 Ngf2 24.Rg1–+) 22...Nc5 (better is 22...Ng4!? 23.f3 Qh4–+) 23.g3 Nd3 24.Nc6 Qc7 25.Nd4 Ne5 26.Kg2 Nd3 27.Qc6 Qc6 28.Nc6+/– Nc5 29.Nc2 Nd3 30.N2b4 Nb4 31.Nb4 Rfc8 32.Rhc1 b5 33.Ra5 Rab8 34.Rb1 Nh5?? 35.Nd5+– Nf6? 36.Nf6 gf6 37.Rab5 Rb5 38.Rb5 Rd8?! 39.Rb7 Ra8 40.Kh3 Kg7 41.Kh4 Kg6 42.g4 h6 43.c4 f5 44.gf5 Kf5 45.c5 Ke6 46.c6 1–0. maddoxdb – cruiseboat, gameknot.com, 2013. (=1.c3 d5 2.b4 e5 3.e3 Nf6)

4.a4 Be7 5.b5 0–0 6.Qb3 Be6 7.c4 dc4 8.Bc4 Bc4 9.Qc4 Nbd7 10.Ne2 Nb6 11.Qb3 e4 12.h3 a5 13.Nd4 Bb4 14.Ba3 Ba3 15.Na3 Nbd5 16.Nc4 Nb4 17.0–0 b6 18.Ne5 Qd5 19.Qd5 Nfd5 20.Nd7 (20.f3 f6 21.Nc4 Rae8=) 20...Rfd8 (better is 20...Rfe8!? 21.Nc6 Nc6 22.bc6 Nb4–/+) 21.Ne5= Re8 22.Nec6 Nd3 23.Nf5 Ne5 24.f4 (better is 24.Ne5!? Re5 25.Nd4+=) 24...Nc6–/+ 25.bc6 Nb4 26.Nd4 Nd3 27.Nb5 Re7 28.f5 f6 29.Nd4 Nc5 30.g4 Nd3 31.Ne6 Ne5 32.Kh1 Nc6 33.Rac1 Ne5 34.Nc7 Rc8?? (better is 34...Rb8+=) 35.Nd5+– Rc1 36.Ne7 (36.Rc1?! Rd7 37.Nb6 Rd2+=) 36...Kf7 37.Rc1 Ke7 38.Rc7 Nd7 39.Rb7 (39.Rc6!? Kd8+–) 39...h6 40.Kg2 Kd6 41.Ra7 Kc6 42.Ra8 (42.Kg3!? Nc5 43.Rg7 b5+–) 42...Kc5 43.Rg8 Kb4?! 44.Rg7 Ne5 45.Rb7 Nc4 46.Kf2 Ka4 47.Ke2 Kb5 48.Rf7 a4 49.Rf6 a3 50.Rf8 a2 51.Ra8 Na5 52.f6 a1Q 53.f7 Qa3 54.f8Q Qd3 55.Ke1 Qb1 56.Kf2 Qc2 57.Qf5 Kb4 58.Kg3 Qc7 59.Kg2 Qc2 60.Qf8 Ka4 61.Qd8 Qd3 62.Qd3 ed3 63.Rd8 Nb3 64.Rd3 b5 65.h4 b4 66.g5 Nc5 67.Rd4 hg5 68.h5 Ne6 69.h6 Nf8 70.Rd8 b3 71.Rf8 b2 72.Rb8 Ka3 73.h7 Ka2 74.h8Q b1Q 75.Rb1 Kb1+– 76.d4 1–0. maddoxdb – stoneychess, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 Nf6)

4.Bb2 Nc6 5.Bb5 Bd7 6.Ba4 d4 (6...e4 7.f4–/+) 7.ed4 (7.Nf3 dc3 8.dc3 a6=) 7...ed4 8.cd4 (8.Bc2 dc3 9.dc3 Qe7 10.Ne2 0–0–0–/+) 8...Bb4 9.Nf3 Qe7 10.Kf1 0–0–/+ 11.a3 Ba5 12.h3 Rfe8 13.Nc3 Rab8 14.d5 Ne5 15.Bb3 Qd6 16.a4 b5?? 17.d3?? Bc3?? 18.Bc3–/+ Nd5 19.Be5 Qe6?? 20.Bd5 Qd5 21.Bc7 Rb7 22.Ba5?? b4=+ 23.Rb1? Qa5–+ 24.Ra1 b3 25.Kg1? b2 26.Rb1 Ba4 27.Qd2 Qd2 28.Nd2 Bc2 29.Rf1 Re2 30.Nb1 Bd3 31.Kh2 Bf5 32.Nc3 Rc2 33.Nb1 a5 34.Re1 h6 35.Re5 Rf2 36.Ra5 Be4 37.Rg1 f5 38.Ra4 Bc2 39.Rd4 f4 40.Rd2 Rd2 41.Nd2 g5 42.Nb1 h5 43.Re1 g4 44.hg4 hg4 45.Rf1 Rh7 46.Kg1 f3 47.Kf2 Be4 48.Nc3 fg2 49.Rg1 Bc6 50.Kg3 Rh3 51.Kf4 Rc3 52.Kg4 Rc1 (53.Kg5 Rg1 54.Kg6 b1Q 55.Kf6 Rf1 56.Ke5 Qd3 57.Ke6 Qd5 58.Ke7 Qd7#) 0–1. hercules53 – johnny, Live Game Caissa's Web, 2004.

4.Bb2 Bd6=+ 5.Ne2 0–0–/+ 6.Na3 Re8 7.Nc2 Bf5 8.Ng3 Bg6 9.Bb5 c6 10.Ba4 Bd3 11.Nh5 Nbd7 12.Nf6 Qf6 13.Qf3 Qg6 14.0–0–0 Nb6 15.Bb3 Nc4 16.Rde1 a5 17.e4 de4 18.Qg3 Nb2 19.Kb2 a4 20.Qg6 hg6 21.Bf7 Kf7 (22.Ne3 Rf8–+) 0–1. Busse,Alexander – Saenger,Thomas, Badenweiler op, 1995.

4.Qb3 a6 5.c4 Be6 6.cd5 Bd5 7.Bc4 c6 (7...Bb4!? 8.Nf3 Nc6–/+) 8.Bd5 Qd5 9.Qd5 Nd5 10.a3 Be7 11.Bb2 Nd7 12.Nf3 f6 13.Nh4 g6 14.Nf3 0–0–0 15.0–0 h5 16.h4 Rhg8 17.Nc3 Nc3 18.Bc3 e4 19.Nd4 g5 (19...f5 20.Ne6 Rde8 21.Ng7+=) 20.Nf5 Bf8 21.hg5 Rg5 (worse is 21...fg5 22.Ng3+/–) 22.Nh4 Be7 23.Rac1 Rdg8 24.Bd4 Ne5 25.Bc5 Bd8 26.f4 (better is 26.Kh1!?–/+) 26...ef3!–+ 27.Rf2 (27.Nf3 Rg3 Double attack (27...Rg2 Deflection; 27...Rg3 Decoy)) 27...Rg4 (better is 27...Nd3 28.Rcf1 Nf2 29.Rf2 fg2 30.Rg2–+) 28.Nf5? (28.Nf3 Nf3 29.Rf3 Rg2 30.Kh1 Rd2 31.Rg1 Rg1 32.Kg1–+) 28...Nd3 29.Rc3 Nf2 30.Kf2 fg2 31.Kg1 R8g5 32.Nh6 (32.e4 Bc7 33.Be3–+) 32...Rh4 33.e4 Rh1 34.Kf2 g1Q 35.Ke2 Qd1 36.Kd3 Rh3 37.Be3–+ Qb1 38.Kc4 b5 39.Kd4 Bb6 40.Rc5 Bc5 41.Kc3 Be3 42.de3 Re3 43.Kd4 Qe4 0–1. maddoxdb – thgil, gameknot.com, 2013. (=1.c3 e5 2.b4 Nf6 3.e3 d5)

4.Qb3 Ne4 5.d3 Nf6 6.h3 Bf5 7.Nd2 c6 8.g4 Be6 9.d4 Ne4 10.Ndf3 Qf6 (10...ed4 11.ed4 Bd6 12.Bd3–/+) 11.Be2 (better is 11.de5!? Qe7 12.Bd3=) 11...ed4 12.cd4 g6 13.b5 Qe7 14.Ne5 f6 15.bc6 b6 (15...fe5?? 16.cb7 Qb4 17.Kf1 Qb7 18.Qb7+–; 15...Nc6?! 16.Nc6 bc6 17.Rb1=) 16.Bb5?? (better is 16.c7 Qc7 17.Bb5 Kd8 18.Nd3=) 16...fe5 17.c7 Nd7 18.a4? (better is 18.Ba6 Qf6 19.Rh2 ed4 20.Bb2–+) 18...Qb4 19.Qb4 Bb4 20.Kf1 Rc8 21.Nf3 Rf8 22.Be2 Rc7 23.Bb5 Rf3 24.Rh2 Bc3 25.Ra2 Ba5 26.Ke2 Rf8 27.Ba3 Nc3 28.Kf1 Na2 29.Bf8 Kf8 30.Kg2 Nf6 31.f3 g5 32.h4 Rc2 33.Kg3 Rh2 34.Kh2 gh4 35.Kh3 ed4 36.ed4 Be1 37.Bd3 h6 38.Bf5 Bf5 39.gf5 Nc3 40.f4 Na4 41.Kg2 b5 0–1. maddoxdb – kingdorn, gameknot.com, 2012. (=1.c3 d5 2.b4 e5 3.e3 Nf6)

4.Qb3 Be6 5.Qa4 Nfd7 6.Nf3 Bd6 7.Ba3 0–0 8.b5 Qe7 9.d4 e4 10.Nfd2 f5 11.Bd6 Qd6 12.Qb4 c5 13.dc5 Nc5 14.a4 Nbd7 15.Be2 Ne5 16.f4?? (better is 16.0–0+=) 16...Ned3 17.Kd1 Nb4 18.cb4 Nd3 19.Bd3 ed3 20.Ke1 (20.Ra3 Qb4 21.Ke1 d4 22.Rd3 de3 23.Re3 Ba2–+) 20...Qb4 (better is 20...d4!? 21.Kf2 de3 22.Ke3–+) 21.Kf2 d4 22.Rc1 (22.Re1 Rae8 23.e4 fe4 24.Re4–+) 22...Qb2 23.Na3 Qd2 24.Kf3 Qe3 0–1. maddoxdb – swaggy, gameknot.com, 2013. (=1.c3 e5 2.b4 Nf6 3.e3 d5)

4.Qb3 Be6 5.c4 c5 6.b5 e4 7.Nc3 b6 (better is 7...d4!? 8.Nce2 d3–/+) 8.a4. maddoxdb – dank07, gameknot.com, 2012. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.Qb3 g6 5.a4 b6 6.a5 b5 (better is 6...ba5!? 7.Ra5 c5+=) 7.Bb5+= Bd7 8.Bd7 Qd7 9.Ne2 Na6 10.Ba3 Rb8 11.d4 Ne4 12.f3 Nd6? (12...Ng5 13.de5 c5 14.0–0+/–) 13.de5 (better is 13.Qd5!? Rb5 14.Qb3+–) 13...Nf5 14.Nd4 Nd4 (14...Ne3 15.Qa2 c5 16.bc5 Nc5 17.Qe2+=) 15.cd4 Nb4 16.0–0 Be7 17.Qd1 0–0 18.Nc3 Rfe8 19.Rb1 Qc6 20.Bb4 Qc4?? (20...Bb4!? 21.Rc1 Qe6+/–) 21.Na2! Qa2 (better is 21...Bb4 22.Nb4 Rb4+–) 22.Be7 Qa5 (22...Rb1 23.Qb1 Qb1 24.Rb1 Re7 25.Rb8 Kg7+–) 23.Qc2 (better is 23.Rb8 Rb8 24.Qc2+–) 23...Rb1+/– 24.Rb1 Re7 25.h3 a6 26.f4 Qa3 27.Qf2 a5? 28.Qh4?? Qe3+= 29.Kh2 Re8 30.Rb7 c6 31.Qf6 Rf8 32.Rc7 Qd4 33.Rc6 h5 34.Rd6 a4 35.Ra6 Qb4 36.e6 fe6?? 37.Qg6 Kh8 38.Qh5 Kg8 39.Qg4 Kf7 40.Qe6 Kg7 41.Ra7 Kh8 42.Qh6 Kg8 43.Qg7 1–0. maddoxdb – carlosmario, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.b5 b6 5.Nf3 a6 6.Qa4 a5 7.d4 e4= 8.Ne5 Bb7 9.h3 Bd6 10.Nc6 Bc6=+ 11.bc6 0–0 12.g4 g6 13.f4? ef3–+ 14.Bd3 Bg3 15.Kf1 Ne4 16.Be4 de4 17.Nd2 Re8 18.Qc4 Qd6 19.d5 Na6 20.Ne4–/+ Qe5 21.Ng3 Qg3 22.Rg1 Qh3 23.Kf2 Nc5 24.Ke1 Re4 25.Qf1 Qh4 26.Kd1 Rd8 27.c4? Qf6 28.Rb1 Qc3 29.Bd2 Qc4 30.Qc4 Rc4 31.Rf1 Rd5 32.Rf3 Rg4 33.Kc2 Ne4 34.Bc3 Rc5 35.Rb3 Rc6 36.Rf1 Rg2 37.Kd3 Nc5 38.Kc4 Nb3 39.Kb3 a4 40.Kb4 Ra2 41.Rd1 Rd6 42.Bd4 c5 43.Kb5 cd4 44.ed4 a3 45.Ka4 h5 46.Kb3 Rg2 47.Ka3 Rg4 48.d5 Rg5 49.Kb4 Rdd5 50.Rd5 Rd5 51.Kc4 Re5 52.Kd4 Rf5 53.Ke4 h4 (54.Kd4 h3–+) 0–1. kausca12 – perskak, internet, 2007.

4.Bb5 Bd7 5.Bd7 Nbd7 6.d3 c5 7.bc5 Bc5 8.d4 ed4 9.ed4 Qe7 10.Ne2 Bd6 11.0–0 0–0 12.Bf4 Rfe8–/+ 13.Qd3 Bf4 14.Nf4=+ Qe4 15.Qg3 Qf5 16.Nd2=+ Ne4 17.Ne4 Re4 18.Nd3 Rae8 19.Rfe1 Re1=+ 20.Re1 Re1–/+ 21.Ne1 Qe6 22.Qe3 Nb6 23.Qe6 fe6–/+ 24.Nd3 Na4 25.Nf4 Kf7 26.Ne2=+ b5 27.h3 g5 28.Kf1 h5 29.g4 Kg6 30.gh5 Kh5–/+ 31.f4 Kh4 32.fg5= Kg5 33.Kg2 a5 34.Kg3 b4 35.cb4= ab4 36.Nf4 Kf5 37.Nd3+= Ke4? 38.Nc5+– Nc5 39.dc5 Ke5 40.Kf3 d4 41.c6 Kd6 42.Ke4 e5 43.h4 Kc6 44.h5 Kc5 45.h6 Kc4 46.h7 d3 47.h8Q d2 48.Qg8 Kc3 49.Qb3# 1–0. b4_player – opponent, 2008.

4.c4 Bb4–+ 5.a3 Ba5 6.Bb2 e4 7.Bc3 c5?? (7...Bc3 8.Nc3 d4 9.ed4 Qd4 10.f3–+) 8.Qb3?? (better is 8.Qa4 Nc6 9.cd5 Bc3 10.dc6 Ba1 11.c7 Qd7 12.Bb5+=) 8...Be6?? (better is 8...d4 9.ed4 cd4 10.Ba5 Qa5–+) 9.Qb7 (better is 9.Ba5 b6 10.Bc3+–) 9...Nbd7?? (9...Bc3 10.Nc3 Nbd7 11.cd5 Rb8 12.Qa7 Bd5+/–) 10.Ba5+– Nb6 11.Bb6 (11.Qc6!? Qd7 12.cd5 Bd5 13.Qd7 Kd7+–) 11...ab6 12.Nc3 d4? (better is 12...0–0+–) 13.ed4 cd4 14.Ne4 Ne4 15.Qe4 0–0 16.Nf3 Re8 17.0–0–0 Bc4 18.Qd4 Qc7?? 19.Qc4 Qc4 20.Bc4 Rec8 21.d3 Ra3 22.Kb2 Rca8 23.Ra1 R3a5 24.Ne5 g6 25.Bf7 Kg7 26.Bb3 Re8 27.Ra5 (27.Ra5 ba5 28.d4+–) 1–0. maddoxdb – gunnarl, gameknot.com, 2012. (=1.c3 Nf6 2.b4 e5 3.e3 d5)

4.d3 a5 5.b5 Bd6 6.a4 0–0 7.Ba3 Re8 8.Be2 c5 9.c4 d4 10.e4=+ Nbd7 11.Nf3 Nf8 12.0–0 Ng6 13.Ng5 h6 14.Nf7? Kf7–+ 15.Bh5 Nh5 16.Qh5 Qg5 17.Qf3 Kg8 18.Nd2 Rf8 19.Qg3 Nf4 20.Nf3 Ne2 21.Kh1 Ng3 22.Kg1 Ne2 23.Kh1 Qh5 24.Rg1 Ng1 25.Rg1 Rf3 26.gf3 Qf3 27.Rg2 Bh3 28.Bc5 Qg2# 0–1. Guest586112 – Fredek (2065), Freundschaftspartie, 5m + 0s, 2006.

4.d3 d4 5.Ba3 dc3 6.Nc3=+ c6 7.Qc1 Bd6 8.h3 0–0 9.f4? ef4–+ 10.ef4 Qe7 11.Be2 Re8 12.Qd2 Bf5 13.Nf3 Nbd7 14.0–0 Nd5 15.Nd5=+ cd5 16.Ng5?? d4 17.Bf3 Qe3 18.Qf2? Bd3 19.Rfe1?? Qf2 20.Kf2 Bf4 21.Bc1 Re1 22.Ke1 Bc1 23.Rc1–/+ Ne5 24.Bb7 Rb8 25.a3 Rb7?? 26.Rc8# 1–0. nwishn (1900) – ajeffries (1645), net–chess.com, 2006.

4.d3 Bd6 5.Qb3 a5 6.a4 ab4 7.cb4 Na6 8.Bd2 Qe7 9.g3 Nb4–+ 10.Ne2 Be6 11.d4 Bf5 12.Nbc3?? Nc2 13.Kd1 Na1 14.Qb7 0–0 15.Nd5 Nd5 16.Qd5 Bc2 17.Ke1 Bb3 18.Qg2 Nc2 (19.Kd1 Ne3 20.Ke1 Ng2 21.Bg2 ed4–+) 0–1. General Blood – Castro, ChessWorld.net, 2003.

4.d3 Bd6 5.Nd2 0–0 6.Ngf3 Bg4 7.Be2 Nc6 8.0–0 a6 9.a4 Ne7 10.a5 b6 11.ab6 cb6=+ 12.e4 de4 13.Ne4= Ne4 14.de4 Nc6 15.Ra6 Qc7 16.Ra8 Ra8 17.Be3 Ra3 18.Qd2 h6 19.Rc1 Bf8 20.Ne1 Be6 21.Nc2 Ra2 22.h3 Bb3 23.b5 Ba3= 24.bc6 Bc1=+ 25.Qd7 Qd7 26.cd7= Ra8 27.Bb6 ˝–˝. Rosner,Dirk – Drefke,A, corr SOK–89–35, 1989.

4.d3 Bd6 5.g3 c6 6.h3 Be6 7.Nd2 0–0 8.Bg2 Nbd7 9.Ne2 a5 10.Ba3? Qe7 11.Nb1 ab4 12.cb4?? Bb4 13.Bb4 Qb4 14.Kf1 d4 15.ed4 ed4 16.a3 Qb2 17.Nd2 Ra3?? 18.Ra3?? Qa3–+ 19.Be4 Bd5 20.Bd5 Nd5 21.Nd4 Qd3 22.Kg1 Qd4 23.Kg2 Nc3 24.Qc2 Qd5 25.Kh2 Ne2 26.Re1 Re8 27.Nf1 Qf3 (28.Re2 Re2 29.Qe2 Qe2–+) 0–1. chsen – kostovist, internet, 2006.

4.d3 Bd6 5.h3 0–0 6.g3 e4 7.d4 Nbd7 8.g4 Ne8 9.Na3 Nb6 10.Bg2 Bd7 11.Ne2 a5 12.Qb3 f5 13.gf5 ab4 14.Nc2 Qg5 15.Rg1?? Ba4 16.Qb2 Bh2 17.Be4 Bg1 18.Bd3 Qg2 19.Kd2 Nd6 20.cb4 Nbc4 21.Bc4 Ne4 22.Ke1 Bf2 23.Kd1 Qf1# 0–1. gurvinder372 – pierre (2125), internet, 2007.

4.d4 ed4 5.Qd4 Ne4 6.Qe5 Be6–/+ 7.g4? Nd7–+ 8.Qd4 Bd6 9.Qg7–/+ Rf8 10.Nf3= Qf6 11.Qh7?? Rh8 12.a4 Rh7 13.c4 Bb4 14.Nbd2 Qf3 15.Ba3 Bd2# 0–1. seidon – danielti, net–chess.com, 2005.

4.Be2 c5 5.bc5 Bc5 6.Nf3 e4 7.Ne5 0–0–/+ 8.0–0 Qc7 9.Ng4 Bg4 10.Bg4 Bd6 11.g3 Ng4–+ 12.Qg4 Nd7 13.Ba3 Ba3 14.Na3–/+ Ne5 15.Qe2 Nf3 16.Kg2 f5 17.Nc2 Rf6 18.Nd4–/+ Nd4 19.cd4 Rc6 20.Qb5 Rd8–/+ 21.Rab1 b6 22.a4 Rc2 23.Qb4 Rc8 24.Qb3 Qc6 25.Rfd1 g5 26.Qb5 f4 27.Qc6=+ R8c6 28.Rb5 f3 29.Kh3–/+ Rh6 30.Kg4= Rh2 31.Rd5 Rf2 32.Rg5 Kf7 33.d3 ed3 34.Rd3+/– Ra2 35.Rf5 Kg6 36.Rf3 h5 37.Kf4 Kf6 38.d5 Ra4 39.e4 Re2 40.d6?? Rae4 (40...Ree4?!=). Guest8712 – Wall,Bill, internet, 2006.

4.Be2 Bd6 5.d3 d4 6.Bb2 c5 (6...de3 7.fe3 Nd5 8.Kf2 e4 9.c4 Nb4 10.de4 Qh4 11.Kf1 Qe4) 7.a3 (7.bc5 Bc5 8.ed4 ed4 9.Nf3 Qb6 10.Qb3 dc3 11.Qb6 ab6) 7...Qb6 (7...de3 8.fe3 0–0 9.Nf3+= (9.Nd2 Be6 10.Nc4 Nc6 11.Nd6 Qd6) 9...Ng4 10.Qd2 Nc6 11.h3 Nf6; 7...Nc6 8.ed4 ed4 9.Nf3 0–0 10.0–0 a5 11.cd4 Nd4) 8.Qd2 (8.cd4 ed4 (8...cd4 9.Nd2 de3 10.fe3 Be6 11.Nc4 Bc4) 9.Nd2 de3 (9...Be6 10.ed4 cb4 11.Ngf3 ba3) 10.fe3 Be7= (10...cb4 11.Nc4 Qc7) 11.Nc4 Qa6; 8.Nd2 Be6 9.cd4 cd4 10.ed4 Nc6 11.Ngf3 ed4) 8...Nc6 9.e4 (better is 9.ed4!? ed4 (9...cd4 10.Nf3 0–0 11.0–0 a5) 10.Nf3+= 0–0 11.0–0 cb4; 9.Nf3 0–0 10.e4 h6 11.bc5 Bc5) 9...dc3–/+ (9...0–0 10.Nf3 Bd7 11.0–0 Rac8) 10.Bc3 (10.Nc3 cb4 11.ab4 Bb4) 10...cb4 (10...Nd4 11.Qb2 Be6) 11.ab4 Bb4 (11...Nd4–+) 12.Bb4 Qb4 13.Bd1 Qd2 14.Nd2 Nb4 15.Ke2 0–0 16.Rb1 Na2 17.Rb2? Nc3 18.Ke1 Nd1 19.Kd1–/+ Ng4 20.Nh3 Rd8 21.Ke2 b6 22.f3 Nf6 23.Nf2 h6 24.h4 Nh5–+ 25.Rc1 Nf4 26.Kf1 Nd3 27.Nd3 Rd3 28.Rbc2 Ba6 29.Kf2 Rdd8 30.Rc7?? Rdc8 31.Nb1 Rc7 32.Rc7 Bd3 33.Nc3 Ba6 34.g4 Rc8 35.Nd5? Rc7–+ 36.Nc7 Bc4 37.Ke3 a5 38.Kd2 a4 39.Nd5 Bd5 40.ed5 0–1. Vassilevskiy,Viktor – Korotiaev,Vladislav, ch–Odessa Region, Odessa UKR, 2008. (=1.c3 e5 2.e3 Nf6 3.b4 d5)

4.Be2 Bd7 5.Nf3 Nc6 6.0–0 Bd6 7.d3 0–0=+ 8.Nbd2 a6 9.a4 Re8 10.Bb2 e4 11.de4 de4 12.Nd4 Nd4 13.cd4 Bb4–/+ 14.Qb3?? Bd2–+ 15.Rfd1 Ba5 16.Ba3 b5! 17.ab5 ab5 18.Bc5 Be6 19.Qb5 Bb6 20.Bb6 cb6 21.h3 Ra1 22.Ra1 Nd5 23.Bc4 Nc3 24.Qb3 Ne2! 25.Kf1 Bc4 26.Qc4–/+ Nd4 27.ed4 e3 28.Re1=+ ef2 29.Kf2?? Re1 30.Ke1–/+ h5 ˝–˝. kostaspetidis (2105) – oracleinshadows (1725), net–chess.com, 2006.

4.Be2 Nbd7 5.Na3 c5 6.bc5 Bc5 7.Nb5 a6 8.Na3 Qa5 9.Nc2 0–0 10.Nf3 Ne4 11.d4 ed4 12.ed4 Nc3 13.Qd2 Re8 14.0–0 Ne2 15.Kh1 Qd2 16.Bd2 Ba7 17.Ne5 Nd4 18.Ne3 Re5 19.Ng4 Re2 20.Be3 Nc2 21.Ba7 Na1 22.Ra1 Ra7 23.g3 Nb6 24.Kg2 Bg4 25.Rb1 Nc4 26.Rc1 Ra2 27.Rc3 a5 28.h3 Be2 29.Rc1 b5 30.Re1 d4 31.g4 d3 32.Kg3 Re7 33.Rb1 Rb2 34.Ra1 d2 35.Rc1 dc1Q 36.Kh4 Qh6 37.Kg3 Rb3 (38.f3 Rf3 39.Kg2 Qh3 40.Kg1 Rf1#) 0–1. TD_6 – Oort, ICS rated light match, 1998.

4.Be2 Be6 5.Nf3 Bd6 6.a4 a5 7.b5 0–0 8.Ba3 Ne4 9.Bd6 Qd6 10.0–0 Nd7 11.d4 Rac8 12.de5 Ne5 13.Ne5 (13...Qe5 14.Qd4=; 13.Qd4 Bg4=). Tricky Rabbitt – Stoot, ChessWorld.net, 2005.

4.Ne2 g6 5.a4 Bg7 6.Ba3 0–0 7.b5 Re8 8.d4 ed4 9.cd4 c6 10.Ng3 Bg4 11.f3 Be6 12.Nd2 cb5 13.ab5 a6 14.Bc5 b6 15.Bb4 a5 16.Bc3 Nbd7 17.Qb3 Qc7 18.e4?? (better is 18.Bb2+=) 18...de4–+ 19.Bc4? (19.Qb2 e3 20.Nde4 Rac8–+) 19...Bc4 20.Qc4 ef3 21.Kf2 (21.Kf1 Rec8 22.Qc7 Rc7–+) 21...Qc4 (better is 21...Ng4 22.Kg1 f2 23.Kf1 Ne3 24.Kf2 Nc4–+) 22.Nc4 fg2 23.Kg2 Nd5 24.Nd6 (24.Rac1–+) 24...Nc3 25.Ne8 Re8 26.Rhe1 Re1 27.Re1 Nb5 28.Ne4 Nd4 29.Nd6 a4 30.Re8 Bf8 31.Nc4 b5 32.Ra8 Nc5 33.Nb6 b4 34.Nc4 b3 35.h4 Nd3 36.Ra4 b2 37.Nb2 Nb2 38.Rd4 Bg7 39.Rb4?? Nd3 40.Rb8 Bf8 41.Kf3 Ne5 42.Ke4 Ng4 43.Kf4 Nf6 44.Rb6 Nd5 45.Kg5 Nb6 46.Kf6 Bg7 47.Ke7 Nd5 48.Kd7 Bf6 49.Kd6 Nf4 50.Kd7 Bh4 51.Kd6 g5 52.Ke5 Ng6 53.Ke4 Ne7 54.Kf3 f5 55.Kg2 Nd5 56.Kh3 Kf7 57.Kg2–+ f4 58.Kf3 Kf6 59.Kg4 Ne3 60.Kf3 Kf5 Black plans g4 61.Ke2 g4 62.Kd3 g3 63.Ke2 Ke4 64.Ke1 Kf3 65.Kd2 g2 66.Kd3 g1Q 67.Kd4 Qd1 68.Ke5 Qd5 0–1. maddoxdb – cruiseboat, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.e3 Nf6)

4.f3 Be7 5.Bd3 0–0 6.Ne2 Be6 7.0–0 Nbd7 8.f4 e4 9.f5 ed3–+ 10.Nd4 Bf5 11.Nf5 Ne5 12.Ne7 Qe7 13.a4 Nc4 14.Rf4 Ne4 15.Qf1 Ne5 16.Ba3 Qe6 17.b5 Rfe8 18.c4 Nc4 19.Qd3 Rad8 20.Qd4 Na3 21.h3?? Nc2–+ 22.Qc3 Nc3 (23.Nc3 Na1–+) 0–1. athar – IsickboyI, ChessWorld.net, 2005.

4.f3 Be7 5.d4 Bd7?? 6.de5+/– Nh5 7.Qd5 c6 8.Qe4 Bh4 9.g3 Bg3 10.hg3 Ng3 11.Qc4 Be6 12.Qh4+= Nh1 13.Qh1 Nd7 14.Qg2 g6 15.Nd2 Qh4 16.Ke2 Bc4 17.Nc4+= Qc4 18.Kd2 Qd5 19.Bd3?? Ne5–+ 20.e4 Qd3 21.Ke1 Qc3 22.Qd2 Nf3 23.Nf3 Qf3 24.Qd4 Qh1 25.Kd2 Rd8 26.Qd8 Kd8 27.Rb1 Qe4 28.Bb2 Re8 29.Rd1 Qe2 30.Kc1 Qd1! 31.Kd1 Re6 32.Bd4 h5 33.Ba7 h4 34.Bg1 h3 35.a4 g5 36.a5 g4 37.Bb6 Kd7 38.Kc2 g3 39.Kd3 g2 40.Kc4 h2 41.b5 cb5 42.Kb5 h1Q 43.Kc5 g1Q 44.Kb5 Qd5 45.Bc5 Qdc5 46.Ka4 Qd1# 0–1. mboudoir – mpopp (1700), net–chess.com, 2002.

4.Nf3 Nbd7 5.Qa4 a6 6.Ne5 c6 7.Nc6 (7...bc6 8.Qc6=+; better is 7.Nf3!?+=). thedragon – caveman, Live Game Caissa's Web, 2004.

4.Nf3 e4 5.Nd4 a5 6.Ba3 ab4 7.cb4 Bd6 8.Be2 0–0 9.0–0 Qe7 10.Qb3 Qe5 11.f4 ef3 12.Nf3 Qe7 13.Nd4 Bd7 14.Nc3 Nc6 15.Ndb5 Be5 16.d4 Bd6 17.Bc1 Bb4 18.Nc7 Bc3 19.Qc3 Ra5 20.Nb5 Ne4 21.Qb3 Qg5 22.Nc3 Nc3 23.Qc3 Be6 24.Qb2 Ra7 25.Bd2 Rc8 26.a3 Qg6 27.Qb3 Qg5 28.Qb6 Bh3 29.Rf2 Rca8 30.Qc5 Ne7 31.Bd3+= b5 32.Qb5+– Rd8 33.Qb1 h6 34.e4 Qg4 35.Qb6 Rda8 36.ed5 Nd5 37.Qc5 Rd7 38.Bf5 Qf5 39.Rf5 Bf5 40.Re1 Rb8 41.a4 Rb2 42.Re8 Kh7 43.Be1 f6 44.g3 Bg6 45.Re6 Bf5 46.Qa3 Rdb7 47.Rd6 Be4+= 48.Rd5 R7b3 49.Qb3 Rb3 50.Rd6 Rb2 51.h4 Re2 52.Re6 Re1 53.Kf2 Ra1 54.Re4 Ra4 55.Ke3 Ra3 56.Kf4 g5 57.Kf5 Rg3 58.Kf6 Rf3 59.Ke5 Kg6 60.d5 Rf5 61.Ke6 Rf4 62.Re1 Rf6 63.Ke7 Rf7 64.Ke8 Kg7 65.hg5 Rf8 66.Ke7 Rf7 67.Ke6 hg5 68.d6 Rf6 69.Ke5 Kf7 70.Rd1 Re6 71.Kf5 Re8 72.Kg5 Ke6 73.Re1 Kd7 74.Re8 Kd6?? 75.Kf5+– Kd5 76.Rf8 Kd4 77.Ke6 Ke4 78.Rd8 Kf4 79.Kd5 Kf3 80.Ke5 Ke3 81.Kf5 Kf3 82.Re8 Kg3 83.Re3 Kg2 84.Kg4 Kf2 85.Re7 Kg2 86.Re2 Kf1 87.Kf3 Kg1 88.Kg3 Kf1 89.Re7 Kg1 90.Re1 1–0. smarthink.exe – amateur2.exe, computer chess game, 2002.

4.Nf3 e4 5.Nd4=+ Nc6 6.Nc6 bc6 7.Ba3 Bd6 8.d4 0–0 9.Qa4 Bd7 10.Ba6 Rb8 11.0–0 Qe8 12.Qa5= Qe7 13.Nd2 Be6 14.h3 Rb6 15.Nb3 Nd7 16.Nc5 Bf5 17.Be2 Ra8 18.c4 Qg5 19.Kh1 Qh4 20.Nd7 Bh3 21.g3 Qh6 22.Kg1 Bd7 23.c5 Bg3 24.fg3 Qe3 25.Kh1 Qe2–+ 26.cb6 cb6 27.Qa4 Bh3 28.Rg1 Qh5 29.Rg2 c5! 30.Qb3 Bg2 31.Kg2 cd4 32.Qd1 Qd1 33.Rd1 d3 34.Kf2 Rc8 35.Ke3 Rc2 36.Rc1 d2 37.Rc2+– d1N 38.Ke2 f5 39.Kd1 h5 40.Rc8 Kf7 41.Rc7 Kg6 42.Ra7 h4 43.gh4 Kh5 (43...f4 44.Bb2 Kh5 45.Bg7 Kh4 46.Rd7+–) 1–0. Fritz 5.32 – Fritz 6, 2004.

4.Nf3 e4 5.Nd4 Nc6 6.Nc6 bc6 7.Be2 a5 8.Qa4 Bd7 9.ba5 c5 10.Bb5 c6 11.Be2 Ra5 12.Qb3 c4 13.Qd1 Bc5 14.0–0 0–0 15.d4 Bd6 16.h3 c5 17.dc5 Bc5 18.Bg4 Ng4 19.hg4 Qh4 20.f3 ef3 21.Qf3 Bg4 22.Qf4 Ra6 23.Qh2 Qe7 24.Qf4 Rg6 25.Nd2 Bh3 26.Nf3 Bg2 27.Kf2 Bf3 28.Kf3 Rf6 29.Qf6 Qf6 30.Ke2 Qc3 31.Bd2 Qe5 32.a4 Rb8 33.a5 Rb2 34.Rf3 Qh2 35.Rf2 Rd2 36.Kd2 Qf2 37.Kc3 Qe3 38.Kc2 Qb3 39.Kc1 Qc3 40.Kb1 Ba3 41.Ra2 Qc1 0–1. shosan – parlaycharlie, ChessWorld.net, 2002.

4.Nf3 e4 5.Nd4 Be7 6.d3 ed3 7.Bd3 0–0 8.Nd2 Bg4 9.f3 Bh5 10.g4 Bg6 11.Bg6 fg6 12.Ne6+/– Qd6 13.Nf8 Kf8 14.Nb3 Nc6 15.0–0 a5 16.b5 Ne5 17.a4 b6 18.Ba3 Qe6 19.Be7 Qe7 20.g5 Nh5 21.f4 Nc4?? 22.Qd5 Qe3 23.Rf2 Re8 24.Qc4 Re4 25.Qc7 Rf4 26.Raf1 Rf2 27.Rf2 Ke8 28.Qc8 Ke7 29.Kf1 Qd3 30.Re2 Kf7 31.Qe8 1–0. Calin – Mutley, ChessWorld.net, 2003.

4.Nf3 Bg4 5.Be2 a5 6.Qa4 c6 7.Ne5=+ Be2 8.Ke2 Bd6 9.Nf3 b5 10.Qc2 ab4 11.Bb2 bc3–/+ 12.dc3 0–0 13.h3 Qc7 14.Ng5? g6 15.h4 Nbd7 16.g4? Ng4 17.f4?? Rae8 18.Kf3 Ne3 19.Qf2 Bf4 20.Bc1 Ne5 21.Ke2 N5c4 22.Kd3 Qe5 23.Be3 Be3 24.Re1 Bf2 25.Re5 Ne5 26.Kc2 Bh4 27.Nh3 Nc4 28.Nd2 Re2 29.Rd1 Ra8 30.Kb3 Nd2 31.Kb4 Ra4 32.Kc5 Rc4 33.Kd6 Be7 34.Kd7 Rc3 35.Nf4 Rce3 36.Kc6 d4 37.Kd7 Bg5 38.Nd5 d3 39.Rf1 Re7! 40.Ne7 Re7 41.Kc6 Ne4 42.Rd1 d2 43.Kb5 Nc3 44.Kc4 Nd1 45.Kd3 Nf2 46.Kc4 d1Q 47.a4 Qc2 (48.Kb5 Rb7 49.Ka6 Qc6 50.Ka5 Bd2#; 47...Qa4 48.Kc5 Nd3 49.Kd5 Rd7#) 0–1. neusteu – Shinidoki (1650), internet, 2007.

4.Nf3 Bg4 5.h3 Bh5 6.g4= Bg6 7.Ne5+= Be4 8.f3 Bb1 9.Rb1 Qd6 10.d4+/– Nc6 11.Bb5 Nd7 12.Nd7 Kd7 13.Ba4 Re8 14.b5 Qg3 15.Kd2 Na5 16.b6 c6 17.Kd3 ab6 18.Rb6 Rb8 19.Bd2 Nc4= 20.Rb1 Qc7 21.e4 Nd2 22.Kd2 Qf4+= 23.Kc2 b5 24.Qd2 Qf3–/+ 25.Rhf1 Qe4 26.Qd3 Qd3 27.Kd3 Be7 28.Bc2=+ f6 29.Kd2 b4 30.Bf5 Kc7 31.Rfe1 bc3 32.Kc3 Rb1 33.Bb1=+ Kd7 34.Bf5= Kd8 35.Rb1 Kc7=+ 36.Re1 Re8 37.Kd3 g6 38.Be6 Bb4 39.Re2 Kd6 40.Bf7–/+ Re2 41.Ke2 c5 42.Kd3? cd4 43.Kd4 Bc5–/+ 44.Kd3 Ke5 45.a4 f5 46.a5 f4 47.Ke2 d4 48.Kf3 g5 49.Bc4=+ h6 50.a6= Kd6 51.Ke4 Ba7 52.Bb5 Kc5 53.Bd3 Kb4–/+ 54.Kf3 Kc3 55.Be2? d3–+ 56.Bd1 Kd2 57.Bb3 Ke1 58.h4 d2 59.hg5 hg5 60.Ke4 d1Q 61.Bd1 Kd1 62.Kf5 f3 63.Kg5 f2 64.Kh5 f1Q 65.g5 Qa6 66.g6 Bd4 67.Kh6 Qf6 68.Kh5 Be3 69.Kg4 Qf4 70.Kh3 Bf2 71.Kg2 Qg3 72.Kf1 Qg1 0–1. nwishn (1900) – rodnel, net–chess.com, 2006.

4.f4 e4–/+ 5.h3 Bd6 6.Na3 0–0 7.Bb2 a5 8.Nb5 ab4 9.cb4 Bb4–+ 10.Qb3 Ba5 11.Be5 Nh5 12.Be2?? Qh4 13.Kd1 Qf2 14.Bc3 Ng3 15.Nf3 Qe2 16.Kc2 Nh1 17.Ba5 Ra5 18.Rh1 ef3 19.gf3 Rb5 20.Qc3 Bf5 (21.e4 de4–+) 0–1. Krahl,Wolfgang – Palmkoeck,William, corr TKM/A004, 2000.

4.h3 d4 5.Bb2 de3–/+ 6.fe3 Nc6 7.a3 b6 8.b5 Na5 9.Qf3 Bb7 10.Qg3 Bd6 11.Qg7 Rf8 12.Nf3? Qe7?? 13.Bd3?? 0–0–0?? 14.0–0= Rh8?? 15.Bf5?? Kb8= 16.Ng5? Bd5?? 17.Bh7?? Nh7–+ 18.Nh7 Rdg8 19.Qh6 Rg2 20.Kh1 Rg6 21.Kh2 Rh6 22.c4 Nc4 (23.Rf3 Bf3 24.a4 Qh4 25.Kg1 Qe1 26.Kh2 Qf2#; 22...Rh3! 23.Kg1 Qh4 24.Rf3 Rh1 25.Kg2 Qh2#) 0–1. riffraff – Vader, Live Game Caissa's Web, 2004.

4.h3 Bd6 5.Na3 Nbd7 6.g3 0–0 7.Qc2 a5 8.Nb5 Be7 9.ba5 c6 10.Na3 Qa5 11.Nb1 e4 12.Bg2 Ne5 13.Bf1 b6 14.Ne2?? Nd3 15.Kd1 Nf2 16.Ke1 Nd3 17.Kd1 d4! 18.Nd4 Qh5 19.Be2 Bg4! 20.Bg4 Ng4 21.Ne2 Ngf2# 0–1. pbram143 – pierre (2125), internet, 2007.

4.h3 Bd6 5.a4 0–0 6.Be2 Bf5 7.Nf3 Nbd7 8.0–0 Qe7 9.d4 c6 10.de5 Ne5 11.Ne5 (better is 11.Nd4!? Be4 12.a5+=) 11...Qe5–+ 12.f4 Qe7 13.Bd3 Bd3 14.Qd3 Ne4 15.Rf3 f5 16.Nd2 (16.a5 Qf6 17.Ra3 Rf7–/+) 16...Qf6–+ 0–1. toxo (1605) – grandma (1615), gameknot.com, 2011.

4.h3 Bd6 5.d3 –/+.

4.h3 Bd6 5.g3 0–0 6.Bg2 e4 7.Ne2 Nc6 8.f4 Bf5 9.Na3 a6 10.Qb3 b5 11.d4? ed3–+ 12.Nd4 Nd4 13.cd4 c6 14.Bd2 Re8 15.0–0–0?! a5! 16.Qc3 Bb4 17.Qb2 Ba3 18.Qa3 b4 19.Qc3 bc3 20.Bc3 Qe7 21.Kd2 Ne4 22.Be4 de4 23.Ke1 Qa3 24.Bd2 Qa2 25.Kf2 Rab8 26.g4 Be6 27.Kg3 Rb2 28.Rh2 a4 29.Kh4 Rb1 30.Rb1 Qb1 31.Rg2 a3 32.Bc3 Qc2! 33.Rc2 dc2 34.Bd2 a2 35.f5 Bd5 36.g5 a1Q 37.f6 gf6 38.gf6 c1Q 39.Bc1 Qc1 (40.Kg4 Qe3 41.h4 Be6 42.Kh5 Rd8 43.d5 Rd5#) 0–1. gurvinder372 – rla, internet, 2007.

4.h3 Be7 5.Bb5 Bd7 6.Na3 Bb5 7.Nb5 a6 8.Qa4 0–0 9.g4? Nc6 10.Na3 e4 11.Qd1 b5 12.Ne2 Ne5–+ 13.Nf4 g5 14.Nh5 Nh5 15.gh5 Bb4! 16.cb4 Nd3 17.Ke2 Qf6 18.Rh2 Qf3 (19.Kf1 Qd1 20.Kg2 Ne1 21.Kg1 Nf3 22.Kg2 Qg1#) 0–1. dhub noire – labackna, ChessWorld.net, 2006.

4.h3 Be7 5.Nf3 Nbd7 6.Bb5 c6 7.Ba4 0–0 8.0–0 Bd6 9.d3 e4 10.de4=+ Ne4 11.Qd4 Re8 12.Nbd2 Ndf6 13.Bb2 Bf5 14.Ne4 Be4 15.Ng5 Be5 16.Qd2 Bf5 17.Bc2=+ Qd7 18.Nf3 Bh3 19.Ne5 Re5 20.f4 20...Rh5 21.gh3 Qh3 22.Qg2 Qe3 23.Qf2 Qh3 24.Qg2 Qe3 (24...Qg2 25.Kg2 Ng4 26.Kg3=+) ˝–˝. Rogers,Henry – Endean,Andrew (1665), internet, 2004.

4.h4 a6 5.f3? (5.Nf3 Nc6–/+) 5...e4 (5...Nc6 6.Ne2–+) 6.Be2 (6.d3 Bd6–+) 6...Nc6 7.f4 g6 8.a4 (8.Nh3 Bg7–+) 8...h5 (8...Bd6 9.Nh3–+) 9.Bb2 Be6 (9...Bg7 10.Nh3–+) 10.Na3 (10.Nh3 Bg7–/+) 10...Be7 (10...Ng4 11.b5 ab5 12.ab5–+) 11.Qc2? (better is 11.Nh3!?–/+) 11...Nh7 (11...Ng4 12.g3–+) 12.c4 (12.g3 Qd7–/+) 12...Bh4 13.Kf1 Bf6 (13...Nb4 14.Qc3 Bf6 15.Qb4+/–) 14.Rd1 (14.cd5 Bd5 (14...Qd5?! 15.Bf6 Nf6 16.Qc3–/+) 15.b5 Nb4 16.Bf6 Nc2 17.Bd8 Na1 18.Bc7 Nb3–+) 14...Nb4 15.Qb3 a5 16.d3 0–0 (better is 16...Bb2 17.cd5 Bd5 (17...Nd5?! 18.de4 Ne3 19.Qe3–+) 18.Qb2 Qf6–+) 17.de4–/+ c6 (17...Bb2 18.cd5 Bd7 19.Qb2–/+) 18.Nf3 (better is 18.cd5 cd5 19.e5=) 18...Bb2–/+ 19.Qb2 Nf6 20.Ne5?? (better is 20.cd5 cd5 21.Ng5–/+) 20...Ne4–+ 21.Ke1 Qf6 22.cd5 (22.Bf3 Ng3 23.Rh2 Rfd8 24.cd5 Bd5–+) 22...Bd5 (22...Nd5 23.Rd3 Nc5 24.Kf2 Nd3 25.Bd3–+) 23.Bc4 (23.Nac4 Rfe8–+) 23...Rad8 24.Qb1 (24.Rd4–+) 24...Nc3 25.Qb3 Nd1 26.Bd5 (26.Ke2 Ne3! 27.Qe3–+) 26...Rd5 27.e4 (27.Ke2 Rfd8 28.Nac4 Qf5–+) 27...Rd4 (better is 27...Re5 28.fe5 Qf2 29.Kd1 Rd8 30.Kc1–+) 28.Nac4 Qf4 29.Qf3 Qf3 30.gf3 b5 31.Na5 ba4 32.Nac6 Nc6 33.Nc6 Rd6 34.Ne7 Kh7 35.e5 Re6 (35...Re6 36.Kd1 Rd8 37.Kc2 Re7–+) 0–1. Dlamini,TQ – Tchouateu,TS, Tromso NOR, 2014. (=1.e3 e5 2.c3 d5 3.b4 Nf6)

4.Bb5 c6

5.Ba4 d4 6.Nf3 Bg4 7.h3 Bh5 8.g4 Bg6 9.ed4 ed4 10.0–0 d3 11.Re1 Be7 12.Ne5 0–0 13.Qf3 Bd6=+ 14.Ng6 fg6 15.Na3 Nh5 16.Qe3 Nf4 17.Kh1 b5 18.Bb3 Kh8 19.Bb2 a5 20.c4 Bb4 21.cb5 Qh4 22.Qg3 Qh3 23.Qh3 Nh3 24.f3 h6 25.b6 a4 26.Bc4 Nd7 27.Re6 Rab8 28.Rc6 Rb6 29.Rc7 Rd8 30.Bd4 Rbb8 31.Rb1 Nf4 32.Ra7 g5 33.Ra6 Ne2?? 34.Rh6# 1–0. pierre – opponent, internet, 2008.

5.Ba4 Bd6 6.Bb3 0–0 7.Ne2 a5 8.ba5 Qa5 9.0–0 e4 10.h3 Nbd7 11.Ng3 Ne5 12.Nh5 Nf3 13.gf3 Nh5 14.f4 d4 15.Kh2 Nf4 16.Ba3 Qf5 17.ef4 Qf4 (18.Kg1 Qh2#) 0–1. jartug – marekt, ChessWorld.net, 2003.

5.Ba4 Bd6 6.Ne2 Bg4 7.f3 Bh5 8.0–0 e4 9.f4 Nbd7 10.Qe1 a5 11.ba5 Qa5 12.Bb3 Nc5 13.Bc2 Bg4 14.a4 Nd3 15.Bd3 ed3 16.Nd4 Ne4 17.h3 Bd7 18.Nf3 0–0 19.Qh4 Rfe8 20.Ng5 Bf5 21.g4 Bg6 22.Ne4 Be4 23.Bb2 b5 24.ab5 Qb5 25.Ra8 Ra8 26.Ba3 c5 27.f5 Qb8 28.f6 Bg3 29.Qg5 Bh2 0–1. jartug – FABOLOUS, ChessWorld.net, 2003.

5.Ba4 e4 6.h3 a5 7.b5 Bd6 8.Ne2 0–0 9.0–0 cb5 10.Bb5=+ Bd7 11.Bd7 Nbd7 12.Nd4 Nc5 13.Ba3 Nd3 14.Nb5 Ba3 15.N1a3=+ a4 16.Rb1 h6 17.Nd4 Nh7 18.Rb7+= Qg5 19.c4 dc4 20.Nc4 Rac8 21.Nd6+/– Rc1 22.Qg4 Qc5 23.Rb1?? Rf1–/+ 24.Rf1 Qd6 25.Qe4 Ne5 26.Nf5 Qe6 27.Ng3 Ng5 28.Qa4=+ Ngf3 29.Kh1?? Nd2–+ 30.Rd1 Rd8 31.Ne4 Nef3 32.Nd2–/+ Nd2 33.Qc2 Ra8?? 34.Rd2+– Rc8 35.Qd1 Ra8 36.Rd8 Rd8 37.Qd8 Kh7 38.Qd3 g6 39.Qb3 Qc6? 40.a4 Qc1 41.Kh2 Qc7 42.g3 Qa7 43.a5 h5 44.a6 Qa6 45.Qf7 Kh6 46.Kg2 Qc6 47.Qf3 Qc2 48.e4 Qc8 49.e5 Qe6 50.Qe3 Kg7 51.f4 Qd5 52.Kf2 Qa2 53.Kf3 Qa8 54.Qe4 Qa3 55.Kf2 Qa2 56.Qe2 Qa7 57.Kg2 Qb7 58.Kh2 h4 59.gh4 Qb4 60.Qf3 Qb2 61.Kg3 Qb6 62.h5 Qg1 63.Kh4 Kh6 64.Qg4 Qe1 65.Qg3 g5 66.fg5 (66…Kg7 67.Qe1 Kf8 68.Qf2 Ke7 69.Qf6 Ke8 70.h6 Kd7 71.h7 Kc7 72.g6 Kb7 73.g7 Kc7 74.g8R Kb7 75.Rg7 Kc8 76.h8Q#) 1–0. Alviss – DanielP4R, ChessWorld.net, 2004.

5.Ba4 Be7 6.Ne2 0–0 7.0–0 b5 8.Bb3 a5 9.ba5 Qa5 10.d4 e4 11.a4 Nbd7 12.Bd2 Ba6 13.c4 bc4?? (Better is 13...b4 14.c5 Rfb8=+) 1–0. jartug – chessH, ChessWorld.net, 2003.

4.d4 e4

5.Qa4 Nbd7 6.Nd2 +=.

5.Be2 Bd6 6.Nd2 0–0–/+ 7.Bb2 Ne8 8.Bg4 f5 9.Bh3 f4 10.Bc8 Qc8 11.ef4 Bf4 12.Ne2 Nd6 13.Nf4 Rf4 14.0–0 Nc6 15.Qe2 Qe6 16.Rae1 Qg6 17.b5= Na5 18.Bc1=+ Rf5 19.Ba3 Nac4 20.Bd6=+ Nd2 21.Qd2 Qd6 22.a4 Rh5 23.h3= Rf8 24.c4 Rf3 25.Re3 Qg6 26.Qa5 Rg5 27.Kh1 Rg2 28.b6+/– (28…Qh5 29.Qd5 (29.Kg2?! Qh3 30.Kg1 Qg4 31.Kh2 Qh5 32.Kg1 Qg4 33.Kh1 Qh5 34.Kg1 Qg6 35.Kh2 Qh5 36.Kg1=) 29...Qd5 30.cd5 Rff2 31.Rf2 Rf2 32.bc7+–) 1–0. Iwan – Nacho Rodriguez, internet, 2004.

5.Ne2 Bd6 6.Ba3 0–0 7.Nf4 Qe7 8.c4 Bb4 9.Bb4 Qb4 10.Qd2 Qd6 11.c5 Qe7 12.Nc3 Be6 13.a4 b6 14.Ne6 fe6 15.cb6 cb6 16.Qb2 Nc6 17.Bb5 Rac8 18.0–0 Qd6 19.Ne2 Rc7 20.g3 Rfc8 21.Ba6 Re8 22.Rac1 Ree7 23.Rc3 Nb4 24.Rc7 Rc7 25.Nc3 (better is 25.Qa3 Qe7 26.Bb5–+) 25...Na6 26.Nb5 Qd7 27.Nc7 Nc7 28.Kg2 Nce8 29.Rc1 Nd6 30.Qb4 Nc4 31.Qc3 (31.Rc4 dc4 32.Qc4 Kf7–+) 31...Qa4 32.Ra1 Qd7 33.Qb4 a5 34.Qc3 Qf7 35.h3 Qb7 36.g4 b5 37.g5 Nd7 38.h4 b4 39.Qb3 e5 40.de5 Nde5 41.Rd1 (41.Qd1 Qf7–+) 41...Qf7 42.Qa4 (42.f4 ef3 43.Kf2 Ne3–+) 42...Nb2 43.Qa5 Qf3 44.Kh2 Ng4 45.Kg1 Qf2 46.Kh1 Qh2 0–1. maddoxdb – rudik, gameknot.com, 2013. (=1.c3 Nf6 2.b4 d5 3.e3 e5)

5.f3 a6 6.fe4 Ne4 7.Bd3 Bf5 8.Be4 Qh4 9.g3 Qe4 10.Nf3 Bg4 11.Rf1 Bd6 12.Nbd2? Qe3 13.Qe2 Qe2 14.Ke2 0–0 15.Kf2 Nd7 16.Ng5 Rae8 17.Re1 h6 18.Re8 Re8 19.Ngf3 Nf6 20.Kg2 Bf3 21.Nf3 Re2 22.Kf1 Rc2 23.Bd2 Ne4 24.Ke2 Nd2 25.Nd2 Rc3 26.a3 g5 27.Ra2 f5 28.Nb1 Rc4 29.Kd3 Rc1 30.Nc3 c6 31.Rf2 f4 32.gf4 Bf4 33.Ne2 Ra1 34.Nf4 Ra3 35.Ke2 gf4 36.Rf4 Ra2 37.Kf3 Rh2 38.Kg3 Rb2 39.Rf6 Rb4 40.Rh6 Rd4 41.Rg6 Kf7 42.Rh6 Rb4 43.Kf3 a5 44.Ke3 a4 45.Rh2 Rc4 46.Rh7 Ke6 47.Rb7 Kd6 48.Ra7 Kc5 49.Kd3 Rh4 50.Kc3 a3! 51.Ra3 Rh3 52.Kb2 Ra3 53.Ka3 d4 54.Kb3 Kd5 55.Kc2 Ke4 56.Kd2 d3 57.Kd1 Ke3 58.Ke1 d2 59.Kd1 c5 60.Kc2 Ke2 61.Kc3 d1Q 62.Kc4 Qd4 63.Kb5 Kd3 64.Kc6 Kc4 65.Kb6 Qd6 66.Ka5 Qb8 67.Ka6 Qb1 68.Ka7 Kd5 69.Ka6 Kc6 70.Ka5 Qb5# 0–1. sbderkach (1680) – rodnel, net–chess.com, 2006.

5.g3 Bd6 6.a4 0–0 7.b5 c6 8.bc6 bc6 9.a5 c5 10.a6 c4 11.Ne2 Bg4 12.h3 Bf3 13.Rg1 Qc8 14.Ba3 Qa6 15.Bb2 Qb6 16.Qd2 a5 17.Nf4 Bf4 18.gf4 Nc6 19.Ba3 Rfb8 20.Be2 a4 21.Bf3 ef3 22.Qc2 Qb3 23.Qb3 cb3 24.Nd2 Ne4 25.Ne4 de4 26.Kd2 (26.Rb1–+) 26...Na5 27.Bb4 (27.Rgb1 Nc4 28.Kd1 Rb6–+ (28...Na3?! 29.Ra3 Kf8 30.Kc1–+)) 27...Nc4 28.Kd1 a3 29.Ba3 (29.Kc1–+) 29...Ra3 (better is 29...Na3 30.Rc1 b2 31.c4–+) 30.Ra3 Na3 31.Kd2 Nc4 32.Kc1 (32.Kd1 Ra8 33.Rg7 Kg7 34.d5 Ra1) 32...b2 (32...Ra8 33.Kb1 Ra2 34.Rg7 Kg7 35.f5 Nd2 36.Kc1 b2 37.Kd2 b1Q) 33.Kb1–+ Nd2 (better is 33...Na3 34.Ka2–+) 34.Kc2 b1Q 35.Rb1 Nb1 36.c4 Na3 37.Kc3 Kf8 (better is 37...Rb1!? 38.d5–+) 38.c5 Ke7 39.h4 Ke6 40.h5 Kd5 41.Kd2 (41.c6–+) 41...Kc4 42.Ke1 Kd3 43.c6 Rb1 0–1. maddoxdb – rustik1, gameknot.com, 2013. (=1.c3 d5 2.b4 e5 3.e3 Nf6)

4.Nf3 Bd6–/+

5.Ba3 0–0 6.b5 Bg4 7.Be2 Re8 8.Bd6 cd6 9.d4 e4 10.Nh4 Be2 11.Qe2 Nbd7 12.Nf5 Nf8 13.0–0 Ng6 14.g3 Ne7 15.Ne7 Qe7 16.Nd2 Rac8 17.Rfc1 Qe6 18.c4 dc4 19.Nc4 Qh3 20.Qf1 Qe6 21.Na5 Qd5 22.Rc8 Rc8 23.Rc1 Rc1 24.Qc1 Qb5 25.Qc8 Ne8?? (better is 25...Qe8 26.Qb7 h6+=) 26.Nb7+– Qa4 27.Nd6?? (better is 27.Kg2+–) 27...Qd1= 28.Kg2 Qf3 29.Kh3 Qh5 30.Kg2 Qf3 31.Kf1 Qd1 ˝–˝. maddoxdb – rooks585, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.e3 Nf6 4.Nf3 Bd6)

5.a4 0–0 6.Ba3 Bg4 7.Rg1 (7.Be2 Bf3 8.Bf3 e4+=) 7...e4 (7...Nbd7 8.h3 Bf3 9.gf3–/+) 8.h3 Bf5 (8...Bh5 9.g4 Bg6–/+ (worse is 9...ef3 10.gh5 Nh5 11.Qf3=)) 9.Ng5?? (better is 9.Nd4 Bg6 10.b5–/+) 9...h6–+ 10.g4 Bg6 (10...hg5?! 11.gf5 Nbd7 12.d3=) 11.d4 (11.Nf7 Bf7 12.g5 hg5–+) 11...hg5 12.a5 (12.Rh1 Ne8–+) 12...c6 13.c4 (13.Rh1 Nfd7–+) 13...dc4 14.Bc4 b5 15.ab6 ab6 16.Qc2 b5 17.Bb3 Na6 18.Qc6 Qb8 19.Nd2 Rc8 20.Bd5 Rc6 21.Bc6 Ra7 22.Rc1 Nb4 23.Rc3 Nd3 24.Ke2 Ba3 25.Rb1 Qh2 26.Rb5 Qf2 27.Kd1 Qe1 28.Kc2 Qc1 29.Kb3 Qb2 30.Kc4 Ra4 31.Rb4 Qb4# 0–1. Adler,Bernd (1815) – Debbeler,Adrian (2005), remoteschach.de, 2003.

5.Qb3 0–0 6.d4 e4 7.Nfd2 a6 8.Ba3 Be6 9.b5 a5 10.Bd6 Qd6 11.Be2 b6 12.a4 Nbd7 13.f3 h6 14.c4 1–0. maddoxdb – chess_mma, gameknot.com, 2011.

5.Be2 a5 6.ba5 Ra5 7.d4 e4 8.Nfd2 0–0 9.0–0 c6 10.c4 Qc7 11.h3 Bf5 12.c5 Be7 13.a4 Nbd7 14.Nc3 b6 15.cb6 Nb6 16.Nb3 Ra7 17.Qc2 Rfa8 18.a5 Nc8 19.a6 Nd6 20.Ba3 Nc4 21.Be7 Qe7 22.Bc4 dc4 23.Nc5 Nd5 24.Rfb1 Qg5 25.Kh1 Qh4 26.Nd1 Qg5 27.Rb7 Qd8 28.Qc4 Rb7 29.Nb7 Qb6 30.Qc5 Bg6 31.Qb6 Nb6 32.Nd6 Nd5 33.a7 h6 34.Nb2 f6 35.Nbc4 Kh7 36.Nc8 Rc8 37.a8Q Ra8 38.Ra8 Nb4 39.Kg1 Nd3 40.Rc8 c5 41.dc5 Bf5 42.Rc7 Ne5 43.Ne5 fe5 44.c6 Kg6 45.Re7 Kf6 46.Re8 Be6 47.c7 Bd7 48.c8R Be8 49.Re8 h5 50.g4 hg4 51.hg4 Kg5 52.Re5 Kg4 53.Kf1 Kh4 54.f4 ef3 55.e4 g6 56.Re7 g5 57.Rf7 g4 58.e5 Kg5 59.e6 Kg6 60.Kf2 g3 61.Kf3 g2 62.Kg2 Kh5 63.e7 Kg4 64.e8Q Kh5 65.Qg8 Kh6 66.Rh7# 1–0. SmarThink 0.02b – Faile 1.4, WBEC2_3rdDivision, 2002.

5.Be2 0–0

6.0–0 Bg4 7.h3 Bf5 8.Nh2 a5 9.ba5 Nc6 10.a6 ba6 11.a4 d4 12.ed4 ed4–/+ 13.cd4 Nd4–+ 14.Bf3?? Nf3 15.Nf3–/+ Rb8 16.Nc3 Bd3 17.Re1 Re8 18.Re8 Qe8 19.Qe1 Bc5 20.Qe8=+ Re8 21.Ba3 Bd6 22.Bd6 cd6 ˝–˝. tomy (2260) – gdraper (2035), net–chess.com, 2006.

6.d4 e4–/+

7.Nfd2 Bf5 8.0–0.

3.e4 de4

4.Qc2 Nf6 5.Na3 Nc6 (5...a5 6.b5–+) 6.Bc4 Bb4?? (6...Bf5–+) 7.Qb3?? (better is 7.cb4 0–0 8.Qc3=) 7...Bc5 8.Bf7 Ke7 9.f3? (9.Nh3 Na5 10.Qb5 b6–+) 9...Qd3 (better is 9...a6 10.Bc4 b5–+) 10.Rb1?? (10.Bc4 Qd7–+) 10...b6 (better is 10...Na5 11.Qb5 Ba3 12.Qd3 ed3 13.Ba3 Kf7–+) 11.Bc4 ef3 12.Bd3?? f2 13.Kf1+– Ng4 14.h3 Nh6 15.Ne2+– e4 16.Be4 Be6 17.c4 b5 18.Nb5 Nd4 19.Ned4 Rhf8 20.Bh7 Rf4 21.Qe3 Rd4 22.Nd4 Nf5 23.Qe6 Kd8 24.Nc6 1–0. boylecolin – pman3660, gameknot.com, 2013. (=1.e4 e5 2.c3 d5 3.b4 de4)

4.d3 –/+.

4.g3 Be6 5.Qh5 Nf6 6.Qe5 Nc6 7.Qb5 Rb8 8.Ba3 Bd6 9.h4 a6 10.Qa4 0–0 11.h5 h6 12.f4? e3! 13.Be2 ed2 14.Nd2 Nd5 15.Ngf3? Nc3 16.Qc2 Ne2 17.Ke2 Bg4 18.Rh4 Nd4 19.Kd3 Nc2 20.Kc2 Bf5 21.Kd1 Qf6 22.Nb3 Rfe8 23.g4 Bf4 24.gf5 Rbd8 25.Kc2 Re2 26.Nfd2 Bd2 27.Rc4 Bf4 28.Kb1 Qf5 29.Rc2 Qc2 0–1. wonderhorse – chessonly, net–chess.com, 2004.

3.Nf3 Nc6

4.Na3 Nf6 5.c4? (5.b5!? e4 6.bc6 ef3 7.cb7 fg2 8.Bg2 Bb7 9.Rb1=) 5...d4 6.e3? Nb4 7.h4? e4 8.ed4?? Nd3 9.Ke2?? Bg4 10.Nb5 Qe7 11.Ba3 ef3 12.Kd3 Qe4 13.Kc3 0–0–0 14.Na7?? Kd7 15.Rh3?? Bh3–+ 16.gh3 Ra8 17.Bc5? Bc5 18.dc5 Ra7 19.Bd3 Ra3 20.Kb4 Qd3 21.Rb1 Rha8 22.Kb5 c6 23.Kb6 R3a6 24.Kb7 R8a7 25.Kb8 Ke8 26.Rb6 Qd8 0–1. daniel_rainbow – swayne, HCL–C2215 playchess.de, 2003.

4.b5 Nce7 5.Ne5 Ng6 6.Ng6 hg6 =.

4.d3 Bd6!? =+.

4.d3 Bf5 5.b5+= Na5 (5...Nce7 6.Ne5 Ng6 7.Ng6 hg6 8.Nd2+=) 6.Ne5 Bc5 7.Nd2 Nf6 8.d4 Bb6 9.g3 0–0 10.h4 c6 11.h5 h6 12.Rb1?? Rc8 13.Bh3 Bb1 14.Bc8=+ Qc8 15.Ba3? Be4 16.Rh4? Re8 17.f3 Bf5 18.g4 Be6 19.g5 hg5 20.Rh2 cb5 21.Qa1 Nc4 22.h6 Ne3 23.Qb1 Bf5 24.Qb5 Nc2 25.Kf2 Na3 26.Qb3 Nc4 27.Qd1 Ne5 28.Qg1 g4 29.hg7 Bh7 30.Rh6 Re6 31.fg4 Neg4 32.Kg2 Nh6 33.Kh1 Re2 34.Nf3 Qh3 35.Nh2 Be4 0–1. zamsky – Davie, ChessWorld.net, 2002.

3.Nf3 Bd6

4.Qa4 c6 5.b5 Bd7 6.b6 Qb6–/+ 7.Ba3 c5–+ 8.Qh4 f6 9.e3 e4–+ 10.Qh5 g6 11.Qh4 Nc6 12.Nd4?? 0–0–0 13.Nb5 Ne5 14.d4? Nd3?? 15.Bd3–/+ ed3 16.Nd6+= Qd6 17.Nd2 g5 18.dc5 Qc5 19.Qb4 Qb4=+ 20.Bb4 Nh6 21.0–0 Rhe8 22.Rac1 Kb8 23.c4 dc4–+ 24.Bd6 Ka8 25.Rc4 Rc8 26.Rfc1–/+ Rc6 27.Bc5 b6 28.Ba3 Rec8–/+ 29.Be7 Ng4 30.h3 Ne5 31.f4?? Nc4–+ 32.Nc4 Rc4 33.Rd1 Rc1 34.Rf1 d2 35.Ba3 Rf1 (36.Kh2 d1Q 37.Bb4 Qc1 38.Be1 Qe1 39.fg5 Rh1) 0–1. Tricky.1 – The Enchanter, ChessWorld.net, 2005.

4.Qb3 e4 5.Nd4 c6 6.d3 Qe7 7.de4 Qe4 8.Nd2 Qh4 9.N2f3 Qe7 10.e3 Nf6 11.Bd3 Bg4 12.h3 Bf3 13.Nf5 Qf8 14.gf3 g6 15.Nd6 Qd6 16.Bb2 0–0 17.c4 Nbd7 18.Be2 Rfe8 19.Rd1 Qe6 20.Qc3 Re7 21.cd5 cd5 22.h4 Ne5 23.f4 Rc8?? 24.Qe5+– (24...Qe5 25.Be5+–) 1–0. marluc – arturn4, Live Game Caissa's Web, 2004.

4.Qb3 Be6 5.d4 ed4 6.Nd4 Nf6 7.Bg5 Be7 8.Nd2 0–0 9.Ne6 fe6 10.e3 Ng4 (10...Nbd7 11.Be2=+) 11.Be7 Qe7 12.Nf3 Nd7 13.h3 Ngf6 14.Bd3 c5 15.c4 cb4 16.0–0 Nb6 17.cd5 ed5 18.e4? Kh8 19.ed5=+ Nbd5 20.Nh4 a5 21.Bh7?? g5 22.Ng6+– 1–0. madivashka – KHW, ChessWorld.net, 2002.

4.Qb3 Be6 5.d4 e4 6.Ng5 Nf6 7.Ne6 fe6 8.Bg5 0–0 9.e3 Nbd7 10.c4 c6 11.Be2 Rc8 12.Nd2 Qe8 13.a3 (Better is 13.0–0!?=) 13...Qg6–/+ 14.h4 h6 15.Bf6 Rf6 16.0–0=+ Rcf8 17.Rad1 Be7 18.h5 Qg5 19.cd5 ed5? 20.Ne4+– Qh4 21.Nf6 Rf6 22.g3 Qh3 23.e4 Kh8 24.ed5 Bd6 25.dc6 bc6 26.Rc1 Bb8 27.d5 cd5 28.Rc8 Rf8 29.Rf8 Nf8 30.Qd5 (30...Qc8 31.Rd1+–) 1–0. Trkn – guest945, ICC, 2004.

4.d3 Nf6 5.Nbd2 e4 6.Nd4 e3 7.fe3 Ng4 8.N2f3 Bh2 9.Nh2 Qh4 10.Kd2 Nh2 11.Kc2 Qg3 12.Kb2 Ng4 13.Rh3 Qe5 14.Rf3 0–0 15.g3 b6 16.Bg2 c5 17.Nc2 Nc6 18.b5 Ne7 19.e4 Be6 20.Bf4 Qh5 21.ed5 Nd5 22.Qh1 Nf4 23.Rf4 Qh1 24.Rh1 Rad8 25.Ra4 Rd7 26.d4 f5 27.Bc6 cd4 28.Nd4 Re7 29.Ne6 1–0. marekt (2410) – adp (1770), ChessWorld.net, 2003.

4.d3 Nf6 5.g3 0–0 6.Bg2 c6 7.0–0 Re8 8.Ne1 a5–/+ 9.Nc2 ab4 10.cb4 Be6 11.a3 Qe7 12.Bb2 Nbd7 13.Nd2 b6 14.Nf3=+ c5 15.Qd2 h6 16.Rfb1 e4 17.Nfe1 ed3 18.Nd3=+ Bf5 19.e3 Rec8 20.bc5=+ bc5 21.Rd1 Nb6–/+ 22.Bf6 Qf6 23.Nf4 Rab8 24.Ne1 Be5 25.Ra2 Bf4 26.gf4 Nc4–+ 27.Qe2 Bb1 28.Bd5 Ba2 29.Qa2 Nb2 30.Rc1 c4 31.Be4 c3 32.Nd3 Rc4 (33.Nb2 Re4–+) 0–1. Ziese,Gerhard – Fritz,Harry, corr 3GMM˝–07, 1998.

4.d3 Bg4 5.Bb2 Bf3 6.gf3 Nc6 7.Nd2 Qf6 8.Qc2 Nh6 9.0–0–0 a6 10.e4 d4–/+ 11.cd4 Nd4 12.Bd4 ed4 13.Rg1 0–0–0 14.Bh3 Kb8 15.Nc4 Bb4 16.Qe2 g6 17.e5 Qc6 18.Bg2 Qa4 19.f4 Bc3 20.Qc2 Qc2 21.Kc2 b5 22.Nd2 Ka7 23.Rge1 Rhe8 24.Re2 b4 25.Bc6 Re6 26.Ba4 Ng8 27.Bb3 Re7 28.Ne4 h6 29.Nc3 dc3–/+ 30.d4 f6 31.Bg8 Rg8 32.d5 fe5 33.Re5? Rf7–/+ 34.d6? cd6 35.Red5?? Rf4 36.Rd6 Rf2 37.Kb3 Rb2 38.Kc4 Rc8 39.Kd5 Rd2 40.Rd2 cd2 41.Ke6 Rc2 42.Kf6 Kb7 43.Kg6 Rc6 (44.Rc6 Kc6 45.Kh6 d1Q–+) 0–1. oracleinshadows (1725) – rodnel, net–chess.com, 2006.

4.e3 Nf6 5.Na3 a6 6.Qa4 Bd7 7.Qb3 0–0 8.Bd3?? e4–+ 9.Be4 de4 10.Nd4 Nc6 11.Nc4 Nd4 12.cd4 Be6 13.0–0 b5 14.Nb2 Bb3 15.ab3 Bb4 16.Re1 Qd5 17.d3 Be1 18.b4 Qf5 19.de4 Qf2 20.Kh1 Qf1# 0–1. BckFsh – Sammy8 (1785), Tournament Game, 2005.

4.e3 Nf6 5.Be2 a5 6.0–0 Bg4 7.d4 e4 8.Nfd2 Be2 9.Qe2 ab4 10.Qb5 Nbd7 11.Qb7 c5 12.dc5=+ Nc5 13.Qb4 0–0 14.Qd4?? Ne6–+ 15.Qf6 Qf6 16.c4 Qa1 (17.cd5 Qe5–+) 0–1. pieeater – Gervie, ChessWorld.net, 2005.

4.e3 Bg4 5.d3 Nf6 6.Nbd2 0–0 7.h3 Bh5 8.Be2 a5 9.b5 c6 10.bc6 Nc6 11.g4 Bg6 12.Bb2 b5 13.g5 Nd7 14.h4 Nc5–/+ 15.e4 de4 16.de4 Be4?? 17.h5?? Nd3–+ 18.Bd3 Bd3 19.c4? bc4 20.Qa4 Nb4 21.Rc1 e4 22.Ne5 Be5 23.Be5 Qg5 24.Bg7 Kg7 25.Qd7 Rfd8 26.Qh3 Nc2 27.Kd1 Bf1 28.Qc3 Nd4 29.Rf1 Qh5 30.f3 ef3 31.Nf3 f6 32.Rg1 Kh8 33.Ke1 Nf3 34.Kf2 Rd2 35.Kg3 Rg8 36.Kf4 Rd4 (37.Qd4 Nd4 (37...Ng1?! 38.Qf6 Rg7 39.Qf8 Rg8 40.Qf6 Rg7 41.Qf8 Rg8 42.Qf6=) 38.Rg8 Kg8 39.Rg1 Kf7 40.Rg3 Ne2 41.Ke3 Ng3 42.Kf2 Nh1 43.Ke3 Qd1 44.Kf4 Qd4 45.Kf3 Qf2 46.Ke4 Ke6 47.a3 Ng3#; 36...Ng1?! 37.Qf6 Rg7 38.Qf8 Rg8 39.Qf6 Rg7 40.Qf8 Rg8 41.Qf6=; 36...Rg1 37.Qf6 Kg8 38.Qe6 Kf8 39.Qf6 Ke8 40.Qe6 Kd8 41.Qb6 Ke7 42.Qa7 Rd7 43.Rg1 Qf7 44.Kg3 Ra7 45.Rf1–+) 0–1. michaelanthony – S, ChessWorld.net, 2005.

4.g3 Ne7 5.Bg2 0–0 6.0–0 f5 7.Nh4 g5 8.Nf3 Ng6 9.d4+= e4 10.Nfd2 f4 11.e3?? f3–/+ 12.Bf3? ef3–+ 13.Nf3?! Bg4 14.Nbd2 Qf6 15.Kg2 Qf5 16.a4? Bh3 17.Kg1 g4 (18.Re1 gf3–+) 0–1. LuckyMiki – thotares (1700), internet, 2007.

4.g3 Bg4 5.Nh4 g5 (5...Nf6 6.Bg2–/+) 6.Ng2 Nf6 7.Qa4 (7.d3 Rg8+=) 7...Bd7–/+ 8.Qb3 Be6 9.d4 e4 (better is 9...h6!?–/+) 10.Bg5+= Nbd7 11.e3 h6 12.Bh4 Qe7 13.a4 Qd8 14.Be2 Be7 15.a5 c6 16.0–0 White plans b5 16...Nh7 17.Be7 Qe7 18.b5 Bf5 (better is 18...c5!?+/–) 19.bc6+– bc6 20.Qb7 0–0 21.Qc6 Ndf6 22.Qa4 Bh3 23.Nh4?? (better is 23.Nd2+–) 23...Bf1+= 24.Nf5?? (better is 24.Bf1 Qe6 25.c4+=) 24...Qe6–+ 25.Nh6 Kg7 26.Nf7?? Be2 27.Qc2 Bd3 28.Qd1 Rf7 29.Nd2 Qg4 30.f3 Qg6 31.f4 Ng4 32.Qe1 Kg8 33.Nb3 Rb7 34.Ra3 Rab8 35.Qd1 Ne3 36.Qd2 Nf5 37.Kg2 Rb3 38.Rb3 Rb3 39.Qa2 Bc4 40.Qa4 Nf6 41.Qc6 Nh4 42.Kf2 Rb2 43.Ke1 Ng2 44.Kd1 Kg7 45.Kc1–+ Ra2 46.Qc7 Kh6 47.Qe5 e3 48.f5 Qg5 49.Kb1 e2 50.h4 Ne1 51.hg5–+ Kg5 52.Qf4 Kh5 53.Qh4# 1–0. sosg – brewinski, gameknot.com, 2005.

4.Na3 c6

5.Nc2 Ne7 –/+.

5.d3 Nf6 6.d4 Nbd7 7.Nc2 0–0 8.Bg5 h6 9.Bh4 Qe7 10.e3 a5 11.b5 ed4 12.cd4 Qe6 13.Bg3 Ne4 14.bc6 bc6 15.Bd6 Qd6 16.Bd3 Ndf6 17.0–0 Ba6 (17...Bg4 18.Nce1=+) 18.Nce1 Rfb8 19.Rc1 Rb2 20.a4 Qa3 21.Rc6 Nc3 (21...Bb7!? 22.Rc7 Ne8=) 22.Qc1+/– Na2? (Better is 22...Bc4 23.Ne5 Rb3 24.Qa3 Ra3 25.Bc4 dc4 26.Nc4 Ra1+=) 23.Ra6+– Ra6 24.Qc8 Qf8 25.Qa6 Nb4 26.Qa5 Ne4 27.Qc7 Rb3 28.Be4 de4 29.Nd2 Rb2 30.Ne4 Nd5 31.Qa5 Nb4 32.Nf3 Nd3 33.Qc3 (33...Rb4 34.Qd3 Ra4 35.Nc5+–) 1–0. orane – northman, internet live, 2003.

5.d3 Bg4 6.e4 Nf6 7.h3 Bh5 8.g4 Bg6 9.g5 Ne4 (9...Nfd7!?=+) 10.de4= Be4 11.Nc2 Qd7 (11...0–0 12.Rb1=) 12.Be3 Qf5 (12...0–0!?=) 13.Nh4+/– Qd7 14.f3 Bf5 (Black prepares the advance e4) 15.Nf5 Qf5 16.Bd3 e4 17.Nd4 Bg3 18.Kd2+– Qg6 19.fe4 de4 20.Qg4 Bc7 21.Qc8 Bd8 22.Qb7 ed3 23.Qa8 Nd7 24.Qc6 Qc6 25.Nc6 0–0 26.Kd3 Nb6 27.Bc5 Re8 28.Rhe1 1–0. marekt (1855) – T_Time (1680), ICC, 2003.

5.d4 e4 6.Ng1 Ne7 7.Nc2 0–0 8.e3 f5 9.Ne2 Ng6 10.g3 Nd7 11.Bg2 a5 12.Bd2 Nb6 13.Nf4 Nf4 14.ef4 Nc4 15.Bc1 ab4 16.Nb4 Qa5 17.Qb3 Be6 18.0–0 c5 19.Nc2 b6 20.Ne3 b5 21.f3 Rfb8 22.Nc2 Re8 23.Rf2 Qa7 24.Rb1 cd4 25.cd4 Be7 26.a3 Bf6 27.Qc3 Rac8 28.Qe1 Bd7 29.Qd1 Qa5 30.Rb3 Rc7 31.Re2 Rec8 32.h3 Be6 33.Nb4? Qa4–+ 34.Re1 Bd4!! 35.Kh2 Bf2 36.Rf1 e3 37.Nd5 Rd7 38.Rd3 Qd1 39.Ne7 0–1. Nittschalk,Karl – Abromeit,Guenter, DESC, 1999.

4.d4 e4–/+

5.Nfd2 e3 6.Nf3 ef2 7.Kf2 Nf6 8.Bg5?? Ne4–+ 9.Kg1 Ng5 10.Nbd2 Bf4 11.g3 Be3 (12.Kg2 Bh3#) 0–1. pehamoi – MrkT, internet, 2005.

5.Nfd2 Ne7 6.b5 0–0 7.Ba3 e3–+ 8.fe3 Ba3 9.Na3–/+ Nf5 10.e4 de4 11.Ne4? Qe7–+ 12.Nc5 b6 13.Nb3 Qa3 14.Qd3 Re8 15.e4 Ne7 16.Qf3 Bb7 17.Bc4–/+ Rf8 18.0–0 Nd7 19.Bf7 Kh8 20.Nd2 Qd6 21.e5= Qh6 22.Qb7+– Qd2 23.Qc7 Rad8 24.Rae1 h6?? 25.e6+– Nd5 26.Qg3 N7f6 27.e7 Ne7 28.Re7 Rc8 29.Bd5 Nh5 30.Rf8 Rf8 31.Qe1 (31...Qe1 32.Re1+–) 1–0. Trkn – dmsdemon (2140), ICC, 2004.

5.Nfd2 f5 6.Nb3 Nf6 7.Bg5 h6 8.Bf6 Qf6 9.e3 0–0 10.Qh5 f4 11.Qd5+= Kh8 12.Qe4 fe3 13.Qe3 Bd7 14.N1d2 Bc6 15.Bd3 Bf4 16.Ne4 Be3 17.Nf6 Bf2 18.Kf2 Rf6 19.Kg3 Nd7 20.Rae1 Raf8 21.Re7?? Rf2 22.d5 Bd5+= 23.Rd7 Rg2 24.Kh4 Rf4?? 25.Kh3+– Rf3 26.Kg2 Rd3 27.Kf2 1–0. COMP – NN, 2003.

5.Nfd2 Nf6 6.Nb3 a6 7.Bg5–/+ h6 8.Bf6 Qf6 9.e3 0–0 10.a3 c6 11.c4 Be6 12.c5 Bc7 13.Qh5 Qf5 14.Qf5= Bf5 15.Na5 Bc8 16.Nc3 Ba5 17.ba5+= Nd7 18.Rb1 Rb8 19.Be2 Nf6 20.Ba6 Bg4?? 21.Bb7+– Bc8 22.a6 Bb7 23.ab7 Rfe8 24.Rb6 Re6? 25.Kd2 Nd7 26.Rb3 Nf6 27.a4 Re7 28.Rhb1 Ne8 29.a5 Nc7 30.h3 Kf8 31.Rb6 Ke8 32.Rc6 Kd8 33.Rd6 Rd7 34.Rd7 Kd7 35.Nd5! Nd5 36.a6 Kc7 37.a7 Rb7 38.a8Q 1–0. Trkn – guest475, ICC, 2004.

5.Nfd2 Nf6 6.Nb3 Ng4!? 7.g3 Qf6 –+.

5.Nfd2 Nf6 6.e3 Ng4 7.Be2 Nh2?! 8.g3 =.

5.Nfd2 Nf6 6.e3 Ng4 7.Be2 Qh4 –/+.

5.Ng1 Ne7 6.g3 0–0 7.Bg2 f5 8.Bf4 Ng6 9.Bd6 Qd6 10.f4 ef3 11.Nf3 Nd7 12.0–0 Nf6 13.Na3 Ne4 14.Qb3 c6 15.c4 Be6 16.c5 Qc7 17.Rad1 Rae8 18.Nd2 Rf7 19.e3 Ref8 20.Ne4 fe4 21.Rf7 Rf7 22.Be4 Bf5? (22...de4 23.Qe6) 23.Bf5+– Rf5 24.e4 Rg5 25.Re1 Ne7 26.b5 Rg6 27.bc6 bc6 28.Rb1 Rf6 29.Qb8 Qb8 30.Rb8 Rf8 31.Rb7 de4?? 32.Re7+– (32...a5 33.Nc4+–) 1–0. Fritz 5.32 – NN, 2003.

5.Ng1 Nf6 –/+.

5.Ng5 Nf6 6.g3 Bd7 (6...a5 7.b5–/+) 7.Bg2 h6 8.Nh3 Bh3 (8...a5 9.ba5 Qc8 10.Ng1–/+) 9.Bh3+= 0–0 (9...a5 10.b5+=) 10.0–0 Nbd7 (10...Qe8 11.a4=) 11.Bg2 (11.Nd2 Re8+=) 11...Nb6 12.a4 a5 13.b5 Re8 14.Nd2 (14.Qc2 Qe7+=) 14...Qe7 15.Qb3 (15.Kh1 e3 16.fe3 Ng4+= (16...Qe3? 17.Ne4 Qe4 18.Be4 Ne4 19.Qd3+–)) 15...Qe6 16.Ra2 (16.Qc2 e3 17.fe3 Ng4–/+) 16...e3 (16...Rac8 17.Rb2+=) 17.Nf3 (17.fe3 Qe3 18.Kh1 Qe6+=) 17...ef2–/+ 18.Rf2 Ne4 (18...Nc4 19.Nh4–/+) 19.Rf1+= Nc4 20.Re1 c5 21.Rd1 Nb6 22.dc5 Rac8?? 23.cd6+/– Nc3 24.Ba3 Na2 25.Qa2 Qe2 26.Qe2+/– Re2 27.Nd4 Ra2+= 28.Rd3 Re8= 29.Kf1 Ra1 ˝–˝. Lindberg,Rune – Sollefors,Kjell, MCO, 1996.

5.Ng5 h6 6.Nh3 Bh3 7.gh3 c6 8.Bg2 Nf6 9.Nd2 a5 10.Qa4 Nbd7 11.b5 Qc7 12.Rb1 0–0 13.bc6–/+ bc6 14.Ba3 Ba3 15.Qa3 Rfb8 16.0–0 c5 17.dc5 Qc5 18.Qc5 Nc5 19.e3 Na4 20.Rb3 Rb3–+ 21.ab3 Nc3 22.Ra1 Ne8 23.f3 f5 24.Kf2 Nd6 25.Rc1 Rc8 26.Ra1 Rc5 27.h4 Kf7 28.h5 ef3 29.Nf3 Nce4 30.Ke2 Rc2 31.Kf1 Rc3 32.Ra5 Rb3 ˝–˝. Lindberg,Rune – Kedzierski, corr 3GMM–16, 1997.

3.Nf3 Nd7

4.d3 Ngf6 5.Nbd2 c5 6.g3 cb4–/+ 7.cb4 Bb4 8.Rb1 Bd6 9.Bg2 b6 10.0–0 Bb7 11.Bh3 d4 12.Qa4 0–0–+ 13.Ne4? Ne4 14.de4 Nc5 15.Qc2 Be4 16.Qb2 d3 17.Re1 de2 18.Nd2 Nd3 19.Qb5 Ne1 20.Qe2 Bb1 21.Qe1 Ba2 22.Qe4 Rc8 23.Bc8 Qc8 24.Qe1 (24…Qc3 25.Qf1–+; 24.Bb2 f5 25.Qa4 Bd5–+). Nexxus6 – golly1, ChessWorld.net, 2007.

4.d4 e4 5.Ne5 Bd6 6.Qa4 Ne7 7.c4 b5! 8.Qa3 dc4 9.Qb2 Nb6 10.h3 Na4 11.Qd2 Nd5 12.Nc6 Qf6 13.Qg5 Qg5 14.Bg5 f6 15.Na3 Bd7 16.Nb5 Bc6 17.Nd6 cd6 18.Bh4 Nb4 19.Kd2 c3 20.Kc1 Bd5 (21.Bg3 Na2 22.Kc2 Rb8–+) 0–1. Pierred (2295) – Poison (2570), Rated game, 3m + 0s, 2005.

4.g3 Bd6 5.Bg2 Ngf6 6.d3 0–0 7.Bg5 h6 8.Bd2 Re8 9.0–0=+ c5 10.Qc1 e4 11.de4 de4 12.Nh4 Nb6 13.Na3 cb4 14.cb4 g5 15.Bg5 hg5 16.Qg5 Kh7 17.Nb5?? Re5–+ 18.Be4 Re4 19.Nf5 Bf8 20.Rad1 Nbd5 21.f3 Qb6 22.Nbd4 Re2 23.Qh4 Kg8 24.Nh6 Bh6 25.Qh6 Re5 26.g4 Nc3 27.Rd2 Rd5 28.Qe3 Rd4! 29.Rd4 Qd4! (30.Qd4 Ne2 31.Kf2 Nd4–+) 0–1. hris – pierre, ChessHere.com, 2005.

4.g3 Ngf6 5.Bb2 e4 6.Nd4 Bd6 7.Bg2 Ne5 8.d3 0–0 9.Nd2 ed3–+ 10.e3 Nc4 11.Bc1 c6 12.N2b3 Ng4 13.0–0 Nge5 14.f4 Bg4 15.Bf3 Nf3 16.Nf3 d2! 17.Bd2 Re8 18.Re1 Bc7 19.Kf2 Bf5 20.Bc1 a5 21.Nbd4 Bg4 22.Bd2 Qe7 23.Qe2 ab4 24.cb4 Bb6 25.Nc2? Bf3 26.Kf3 Qe4 27.Kf2 Qc2 28.Rad1 Ra2 29.Kf1 Nd2 30.Rd2 Qd2 0–1. Slack Smith,Blair – Humphries,Ryan, AUS–ch U18, 2003.

3.Nf3 e4

4.Nd4 a5 5.Qa4 Bd7 6.b5 c5 7.bc6 Nc6 8.Ba3 Nf6 (8...Qb6 9.Qb5 Ra6 10.Bf8 Kf8 11.Qd5=) 9.Bf8= Rf8 10.Nb5 Qb6 11.N1a3 Ng4 12.e3 Nce5 (Better is 12...Ne7!?=) 13.Qd4 Ra6 14.h3 Nd3 15.Bd3 Qd4 16.Nd4 ed3 17.hg4 h6 18.Rb1 b6 19.Nab5 Kd8 20.Rh5 Bg4 21.Rd5 Kc8 22.Nd6 Kc7 23.N4b5 Kc6 24.Rd3 f6 25.Ne4 (25...Kb7 26.f3+–) 1–0. orane – Caissa, internet, 2003.

4.Nd4 a5 5.Qa4 Bd7 6.b5 Nf6 7.Ba3 c6 8.bc6 Nc6 9.Bf8 Nd4 10.Qd4 Rf8 11.Na3 Qe7 12.Nc2 b5 13.Rb1 Rc8 14.e3 b4 15.a3 ba3 16.Ba6 Rd8 17.Rb7 a2 18.Bb5 (18...Qd6 19.Qa4+=). Marre – kitket, internet, 2003.

4.Nd4 a5 5.g3 ab4 6.cb4 Bb4 7.a3 Bc5 8.Nc2 Nc6 9.a4? (Better is 9.Bb2 Nf6 10.Bg2–+) 9...Qf6 10.g4 (10.f4 ef3 11.ef3–+) 10...Bf2# (10...Qf2#) 0–1. workit – Caissa, Live Game Caissa's Web, 2004.

4.Nd4 Nc6 5.Nc6 bc6 6.d3 Qf6 (6...Nf6 7.Nd2=) 7.Qa4 Bd7 8.Be3 (8.de4 Bd6=) 8...c5 9.b5 a6 10.Qb3 d4 (Better is 10...ab5!? 11.Qd5 Bc6=+) 11.Qd5+= Ra7 12.cd4 cd4? (12...ed3 13.ba6 Bd6 14.Qe4 Ne7 15.Qd3 Nc6=+) 13.Qe4 Be6?? 14.Bd4 Bb4 15.Kd1 Qe7 16.Ba7 Nf6 17.Qa8 Qd8 18.Qd8 Kd8 19.ba6 Bd7 20.Be3 Ke7 21.Nd2 Ra8 22.g3 Ra6 23.Rb1 Ba4 24.Ke1 Rc6 25.Bg2 Rb6 26.Bb6 Bd2 27.Kd2 cb6 28.Rb6 Ng4 29.Rc1 Nf2 30.Rc7 Kd8 31.Rf7 Kc8 32.Rf2 g5 33.Bh3 Kd8 34.Rb7 h5 35.Rf8 Be8 36.Rd7 (36...Kc8 37.Re8#) 1–0. saddamfalseteeth – bla2, Live Game Caissa's Web, 2004.

4.Nd4 Bd6 5.d3 Nf6 6.Bg5 a5 7.de4 de4 8.Nd2 e3 9.Be3 ab4 10.Nb5 Be5 11.Nc4 Bc3 12.Nc3 bc3 13.Qb3 Ne4 14.Rd1 Qe7 15.f3 Qh4 16.g3 Ng3 17.Bf2 Be6 18.e4 Bc4 19.Bc4 0–0 20.Bg3 Qf6 21.Rf1 Nc6 22.Bc7 Ra7 23.Bb6 Na5 24.Ba5 Ra5 25.f4 Rc5 26.Rf2 Rfc8 27.Bd5 b6 28.e5 Qg6 29.h3 c2 30.Bf7 Qf7 31.Qf7 Kf7 32.Rc1 Ke6 33.Kf1 Rc3 34.h4 Kf5 35.h5 R3c4 36.Kg2 Rf4 37.Rfc2 Rc2 38.Rc2 Ke5 39.Re2 Re4 40.Rb2 Rg4 41.Kh3 Ra4 42.Rb5 Kf6 43.Rb6 Kg5 44.Rb5 Kh6 45.Kg3 Ra2 46.Rf5 Rb2 47.Kf3 Rh2 48.Kg4 Rg2 49.Kh4 Rd2 50.Re5 Rd4 51.Kg3 Rc4 52.Rb5 Ra4 53.Re5 Rb4 54.Rd5 Re4 55.Ra5 Re2 56.Kg4 Rg2 57.Kh4 Rf2 58.Kg4 Rf6 59.Rd5 g6 60.Rc5 Ra6 61.hg6 hg6 62.Rc4 g5 63.Rd4 Ra5 64.Rd6 Kg7 65.Rc6 Rb5 66.Rc7 Kf6 67.Rc6 Kf7 68.Rc7 Kg8 69.Rc4 Ra5 70.Rc8 Kh7 71.Rf8 Rb5 72.Rf6 Kg7 73.Rf5 Rf5 74.Kf5 Kh6 75.Kg4 Kg6 76.Kg3 Kf5 77.Kf3 g4 78.Kg3 Kg5 79.Kg2 Kf4 80.Kf2 g3 81.Kg2 Kg4 82.Kg1 Kh5 83.Kh1 Kg5 84.Kg1 Kg4 85.Kg2 Kh4 86.Kg1 Kg5 87.Kh1 Kh5 88.Kg1 ˝–˝. Comet B50 – Doctor 3.0, 2003.

4.Nd4 Bd6 5.e3 c6 6.d3 ed3 7.Bd3= Nf6 8.f3 0–0 9.Nd2 b6 10.Ba3 a5 11.g4 Qc7 12.Qe2 ab4 13.g5 Nh5 14.Nf1?? Ra3–+ 15.f4 g6 16.Qc2 Bf4! 17.Rg1 Rc3 18.Qd2 Ba6 (19.Ba6 Na6 20.ef4 Re8 21.Kf2 Nc5–+; better is 18...Qe7 19.Nc2–+) 0–1. athar – sandtheory, ChessWorld.net, 2005.

4.Ne5? Bd6–+ 5.d4 Be5?? 6.de5=+ Nd7 7.Qd5+/– c6 8.Qe4+– Qe7 9.Qd4 Qe5+/– 10.Qe5 Ne5 11.e4 Nf6 12.f4 Neg4 13.h3 Nh6 (14.Bd3 0–0+/–). easydigital – xyzzy, ChessWorld.net, 2005.

4.Ng1 c5 5.a3 a5 6.b5 a4 7.e3 c4 8.f3 Bd7 9.g3 Bb5 10.fe4 de4 11.Qh5 Ra5 12.Qe5 Ne7 13.Qf4 Nd7 14.Nh3 Nc5 15.Ng5 f6 16.Nh3 Nb3 17.Bb2 Na1 18.Ba1 Bd7 19.Bg2 Rb5 20.0–0 Bh3 21.Bh3 Qd3 22.Qg4 Rb1 (23.Qd7 Qd7 24.Bd7 Kd7 25.Rb1 Kc6–+) 0–1. ZZZZZz – MacChess 4.0 exa, 2000.

4.Nd4 c5

5.bc5 Bc5

6.Ba3 b6!? =+.

6.Ba3 Bd4 7.cd4= Nc6 8.Nc3 Nd4 9.Qa4 Nc6 10.Rc1 Bd7 (10...h5!?=) 11.Nd5+/– Nce7 (Better is 11...f5+/–) 12.Qd4 Nf6?? (12...Rc8 13.Rc8 Qc8 14.Qg7 Ng6+–) 13.Be7 Qc8 (13...Rc8 14.Rb1 Qe7 15.Ne7 Ke7 16.Qb4 Ke8 17.Qb7+–) 14.Rc8 (14...Rc8 15.Ba3+–) 1–0. orane – bosya, internet live, 2003.

6.Ba3 Bd4 7.cd4 Nc6 8.e3 Qg5 (8...Nge7 9.Nc3+=) 9.d3 f5 10.Nc3+/– Nge7 11.Qb3 Kf8? 12.Qd5 Ke8 13.Qb3 Na5 14.Qb5 Bd7 (14...Nac6 15.d5 ed3 16.Be7 d2 17.Kd2 Ke7 18.dc6 bc6 19.Qc6+–) 1–0. Trkn – guest5343, ICC, 2004.

6.d3 Nf6 =+.

6.e3 Nc6 7.Nc6 bc6 8.d4 Bd6 9.Ba3 Ba3 10.Na3 Nf6 11.Rb1 0–0 12.Qa4 Bd7 13.Qa6 Ng4 14.h3 Nh6 15.c4 f5 16.Be2 f4 17.ef4 Rf4 18.Nc2 Qf6 19.cd5 cd5 20.Qf6 Rf6 (20...gf6? 21.Ne3 Be6 22.g4+–) 21.Ne3 Raf8 22.Nd5 (The passed pawn on d4 will quickly become a dangerous weapon) 22...Rf2 23.Rb7 Be6 24.Ne7 Kh8 25.d5 Bd5? (Better is 25...Bg8+/–) 26.Nd5+– Rg2 27.Ra7 g6 28.Rf1 Rb8 29.Nf6 Rb1 30.Bd1 e3 31.Rh7# 1–0. b4_player (2240) – javier35 (1620), GameColony.com, 2003.

4.Nd4 Nf6

5.Na3 Bd6 6.e3 0–0 7.Be2 Re8 8.0–0 Qe7 (8...c6 9.Bb2+=) 9.Qc2 (9.Nab5 a5 10.Nd6 Qd6=) 9...Qe5 (9...c6!?–/+) 10.Rb1?? (better is 10.f4 Qe7 11.Nab5+=) 10…Qh2# 0–1. Woeller,Karle (1830) – Albrecht,Markus (2115), remoteschach.de, 2003. (=1.c3 e5 2.b4 d5 3.Nf3 e4 4.Nd4 Nf6)

5.a4 c5 6.bc5 Bc5 7.e3 0–0 8.Be2 Nc6 9.Nc6 bc6 10.0–0 a5 11.Ba3 Ba3 12.Na3 c5 13.Rb1 c4=+ 14.Nb5 Rb8 15.h3 Bd7 16.Qc2 Rb6 17.Qa2 Qb8 18.Nd4 Re8 19.Rb6 Qb6 20.Rb1 Qc7 21.Bd1 Rc8 22.Nb5 Qc5 23.Rb2 Rb8 24.Qb1 Kf8 25.Nd4= Rb2 26.Qb2 Qc7 27.Qa3 Kg8 28.Qe7 Qb6 29.Nb5 Bb5 30.ab5 Qb5 31.Qd8 Ne8 32.Bg4+= f5 33.Bf5 Kf7 34.Bd7 Qb1 35.Kh2 Nf6 36.Bc6 Qd3= 37.g4 Qd2–/+ 38.Kg2 Qd1 39.g5= Qf3 ˝–˝. Krueger,Erich – Woschkat,Karl_Heinz, corr SOK–87–10, 1987.

5.a4 Be7 6.Na3 0–0 7.Nac2 a6 8.a5 c6 9.Ne3 Nbd7 10.Nef5 Ne5 11.Ne7 Qe7 12.Qb3 Nc4 13.Qc2 Ng4 14.d3 ed3 15.Qd3 Re8 16.Bf4 Nce5 17.Qg3 f6 18.h3+/– Nc4?? 19.hg4+– g5 20.Bc1 h6 21.Rh6 Kg7 22.Rh1 Ne5 23.Qh3 (23...Bg4 24.Qh7 Kf8 25.Qh8 Kf7 26.Rh7 Kg6 27.Rh6 (< 27.Re7 Rh8 28.Rb7 Rh1+–) 27...Kf7 28.Qh7 Kf8 29.Qc2+–) 1–0. Trkn – guest6658, ICC, 2005.

5.a4 Be7 6.a5 =+.

5.Bb2 c5 6.bc5=+ Bc5 7.e3 0–0 8.Na3 Qe7 9.Nac2=+ Ng4 10.f4 Qf6 11.Be2 Qh4 12.g3 Qh3 13.Bf1 Qh6 14.h3 Nf6 15.Qe2 Bd7 16.Qf2 Nc6 17.Nb3 Bd6 18.Ncd4 Nd4 19.Nd4=+ Bc5 20.Nb3 Be7 21.Rh2 Rac8 22.Be2 Ne8 23.Qg2 Nd6 24.Ba3 Nf5 25.Be7=+ Ne7 26.Kf2 Qb6 27.Rhh1 Nf5 28.Rhb1 Qf6 29.Rc1 Nd6 30.Kg1 Nc4 31.Bf1 b6 32.Qf2 Qh6 33.Qh2 Rc7 34.g4 f5 35.g5 ˝–˝. Ziese,Gerhard – Kaminski,Roman, corr 3GMM˝–07, 2000.

5.Bb2 Bd6 6.Na3 –/+.

5.d3 a5 6.b5 c5 7.bc6 Nc6 8.Nc6 bc6 =+.

5.d3 Nc6 6.de4 Ne4 7.Be3 a5 8.b5 Ne5 9.Nd2 Ng4 10.Ne4 Ne3 (worse is 10...de4 11.Qd2=) 11.fe3 de4 12.g3 Qg5 13.Qd2 Be7 14.Bg2 f5 15.0–0 h5 16.Rf4 Bd6 17.Raf1 Bf4 18.ef4 Qg6 19.Qe3 h4 20.gh4 Rh4 21.Nf3 Rh6 22.Rd1 Qb6 23.Qb6 Rb6 24.Nd4 c5 25.bc6 bc6 26.Bh3 g6 27.Kf2 a4 28.c4 Bd7 29.c5 Rb2 30.a3 Ra2 31.Rg1 Kf7 (31...Ra3?! 32.Bf5 Bf5 33.Nf5–+) 32.Rd1 (32.Rg3 Rh8–+) 32...Ke7 33.Bg2 Ra3 34.Rc1 Rb8 35.Rc4 Rb2 36.Nc2 Raa2 37.Nd4 Ra1 38.Rc3 a3 39.Nb3 Rd1 40.Nc1 a2 41.Na2 Ra2 42.Rh3 Rc2 43.Rg3 Kf6 44.Ra3 Rdd2 45.Re3 Rd3 46.Rg3 Rg3 47.hg3 Rc5 0–1. valeriuzaharia (2095) – nopersona (2305), gameknot.com, 2012.

5.e3 Nc6 6.Nc6 bc6 7.Be2 Bg4 8.Bg4 Be7 9.0–0 Ng4 10.Qg4 1–0. sburritt – ajeffries (1645), net–chess.com, 2006.

5.e3 Bd6 6.Be2 0–0 7.0–0 a6 8.d3 Nc6 9.Nc6= bc6 10.de4 de4 11.Nd2= Be5 12.Bb2+= Re8 13.Bc4 Be6 14.Be6+= Re6 15.Nc4 Qe7 16.Ne5+= Re5 17.c4 Rg5 18.c5 Nd5 19.Qd2 Qe6 20.Kh1 Qg6 21.g3 h6 22.Rg1 Rd8 23.Qe1 Nf6 24.h3 Rd3 25.Bd4 Qf5 26.Qf1 Qf3 27.Qg2= Qh5 28.Bf6+= gf6 29.h4 Rd2 30.a3 Kh7? 31.Qe4+– f5 32.Qg2 Rg4 33.Raf1 Ra2+/– 34.Qh3 Ra3+= 35.f3 Rb4–/+ 36.Qg2 Re3–+ 37.Kh2 f6 38.Kh3 Rbb3 39.f4? Qg4 40.Kh2 Rg3 41.Qg3 Rg3 42.Rg3 Qe2 43.Kg1 Qc4 44.Rf2 Qc5 45.Kg2 Qd5 46.Kh2 c5 47.Rfg2 Qf7 48.Kg1 c4 49.Kf1 Qe7 50.h5 c5 51.Re2 Qf7?? 52.Rh3?? a5?? 53.Ke1? a4?? 54.Rhe3= Qh5 55.Re7 Kg8 56.Re8+– Kg7 57.R2e7 Kg6?? 58.Rg8# 1–0. Nexxus6 – Steve20, ChessWorld.net, 2007.

5.e3 Bd6–/+ 6.Be2 Nbd7 7.Nf5 0–0 8.Nd6 cd6 9.0–0 Ne5 10.d4 Ng6 11.Nd2 a6 12.Bb2 Bd7 13.a4 Qc8 14.c4+= dc4 15.Nc4 Qc6 16.d5+/– Nd5 17.Qd4 Nf6 18.Nb6+/– d5 19.Na8+– Ra8 20.a5 Qd6 21.Qc5 Qe6 22.Rac1 Ng4 23.Rfd1 (23…Bc6 24.Qd4+–; 23.Qd4 Nf6+–) 1–0. pierre – dc_dias, ChessHere.com, 2006.

5.e3 Bd7 6.Be2 Nc6 7.0–0 Nd4 8.cd4 Bb4–/+ 9.a3 Bd6 10.Nc3 0–0 11.d3 c6 12.de4 Ne4 13.Ne4 de4 14.Qc2 Be6 15.Qe4=+ Bd5 16.Qd3 Qh4 17.g3 Qe7 18.Bd1 Be4 19.Qd2 f5 20.Bb2 Rf6 21.Bb3 Kh8 22.Qe2 Rg6 23.Rab1? Qh4 24.f3 Bg3! 25.fe4 Bh2 26.Kh1 Be5 27.Qh2 Qe4 28.Qg2 Qg2 0–1. pieeater – akadawn, ChessWorld.net, 2005.

5.e3 Bg4 6.Qa4 c6 7.b5 cb5 8.Bb5= Nfd7 9.Qb3 a6 10.Ba4+= b5? 11.Qd5+– Ra7 12.Qe4 Be6 13.Bb3 Nc5 14.Qe5?? Nd3–+ 15.Kd1 Ne5 16.f4 Bb3 17.ab3 Nd3 18.Rf1 Nc1 19.Kc1 g6 20.Rf3 Bg7 21.Ne2 a5 22.Na3 b4 23.Nb5 Ra6 24.f5 gf5 25.Rf5 bc3 26.d4 Rf6 27.Re5 Kf8 28.Ra5 Rf1 29.Kc2 Be5 30.Kc3 Qa5 31.b4 Qb5 32.de5 0–1. manofsteel3 – jugs3000, Live Game Caissa's Web, 2005.

5.f3 ef3 6.Nf3 Bd7 7.a4 Bd6 8.g3 c6 9.d4 Bf5 10.Nbd2 Nbd7 11.e3 Ne4 12.Rg1 Bg4 13.h3 Bg3 14.Rg3 Ng3 15.hg4 Nf1 16.Nf1 0–0 17.Ng3 g6 18.Qd3 Nf6 19.Ne5 Ng4 20.Bd2 Qh4 21.0–0–0 Qg3 22.Ng4 Qg4 23.b5 Qe6 24.Re1 cb5 25.Qb5 Qc6 26.Qb4 a5 27.Qa3 b5 28.ab5 Qb5 29.Kc2 Rfb8 30.Bc1 a4 31.Kd2 Qd7 32.Qc5 Rb5 33.Qa3 Rb3 34.Qa2 Qc6 35.Bb2 Qc4 36.Ra1 Rab8 37.Rb1 Rc3 38.Qc4 Rc4 39.Kd3 a3 40.Rc1 Rc1 41.Ba3 Rb3 42.Kd2 Ra3 43.Kc1 Re3 44.Kd2 Ra3 45.Kc2 h5 0–1. Tricky.1 – tradicio, ChessWorld.net, 2005.

5.h3 Bd6 6.e3 c6 7.d3 a5 8.Qa4 0–0 (9.Bb2 Nbd7–/+) –/+. SweeneyTod – marekt, ChessWorld.net, 2002.

5.a4 b6

6.a5 c5 7.ab6 Qb6 8.bc5 Qc5 9.Ba3 Qb6 10.Bf8 Kf8 11.Na3 g6 12.Rb1 Qc5= 13.Nac2 Kg7 14.Rb5 Qd6 15.Qa1 a6 16.Nb4 Bd7 17.Ra5 Bc6 18.e3 Bb7 19.h4 Nc6 20.Nbc6 Bc6 21.h5 Nh5? 22.Rh5!+– gh5 23.Nf5 (23...Kg6 24.Nd6+–) 1–0. Trkn – guest2399, ICC, 2004.

6.a5 c5 7.ab6 Qb6 8.bc5 Qc5 9.Ba3 Qb6 10.Bf8 Rf8 11.Na3 =.

6.a5 c5 7.ab6 Qb6 8.bc5 Bc5 =+.

6.a5 c5 7.ab6 cd4 8.Ra7+/– Ra7 9.ba7 Bb7 10.ab8B Qb8 11.Qa4 Nd7 12.cd4 Be7 13.Ba3 Qc7 14.b5 Ba3 15.Qa3+– Nb6 16.Qc5 Qd8 17.Nc3 f6 18.e3 Kf7 19.Be2 Re8 20.f3 f5 21.fe4 fe4 22.0–0 Kg8 23.Bg4 Nc4 24.Rf5 Bc8? 25.Rd5 Qb6 26.Qc4 Bg4 27.Rd8 Be6 28.Re8 Kf7 29.Re6 Qe6 1–0. orane (2150) – Weaky1 (2235), Live Game Caissa's Web, 2004.

3.g3 f5

4.d3 Nf6 5.Bg2 e4 6.d4 c6 7.Na3 a5 8.Qb3 a4 9.Qb2 Bd6 10.c4 dc4 11.Nc4 b5 12.Nd6+= Qd6 13.a3 Be6 14.Nh3 Nd5 15.Nf4 Nd7 16.Nd5 cd5 (16...Bd5 17.Bf4 Qe6 18.Rc1=) ˝–˝. Ziese,Gerhard – Rosner,Dirk, corr SOK–89–37, 1989.

4.e3 Nf6 5.Bg2 Bd6 6.Ne2 0–0 7.0–0 Nbd7 8.f4 c6 9.d4 e4–/+ 10.Na3 b6 11.c4 Bb4 12.Qa4 Qe7 13.Qc6 Ba6 14.Nc2 Bc4 15.Nb4 Qb4 16.Qe6? Rf7 17.Qf5 Be2 18.Rf2 Qe1 19.Bf1 Bg4 20.Qg5 Rc8 21.Bb2 Qe3 22.Bb5 Rc2 23.Raf1 h6 24.Qh4 Nf8 25.f5 Rb2 26.Be8 Rc7 27.h3 Rc1 (28.Bf7 Kh8 29.Qh6 gh6 30.Kg2 Bf3 31.Kh2 Rf2 32.Rf2 Qf2#) 0–1. Solberg,Svenn – Nilson,Bjorn Lund, Sandefjord Caissa op, 2005.

4.Nf3 Bd6 =+.

3.g3 Bf5

4.Na3 Bd6 5.Bg2 c6 6.b5 Nf6 7.bc6 Nc6 8.Qa4 0–0 9.Nf3 a6 10.Nh4 Be6 11.c4 e4 12.e3? (12.cd5 Bd5 13.Bb2 b5–/+) 12...Qd7 (12...dc4!? 13.Bb2–+) 13.f4 b5! 14.cb5 ab5 15.Qb5 Ba3 16.Ba3 Ra3 17.0–0 d4 18.Be4 (18.Qc5 Rfa8 19.Rfc1 de3 20.de3–+) 18...Bh3 (better is 18...Ne4 19.Rfc1 Bd5–+) 19.Rfc1?? (better is 19.Bc6 Bf1 20.Qc5+=) 19...Ne4–+ 20.Nf3 (20.Qc6 Qe7 21.Re1–+) 20...Rc8 21.Ne5 (21.Qb2 Qg4 22.Rc6 Rc6 23.Qd4–+) 21...Ra5 (21...Ne5 22.Rc8 Qc8 23.fe5 de3 24.e6 fe6 25.Rd1–+) 22.Qb3?? (22.Qa5 Na5 23.Nd7 Bd7 24.Rc8 Bc8 25.Rc1–+) 22...Ne5 23.Rc8 Qc8 24.Rb1 g6 25.d3 Nd2 26.Qb8 Qb8 27.Rb8 Kg7 28.Rb2 Nef3 29.Kf2–+ Ra3 30.Ke2 Bf1 31.Kf2 Bd3 32.h4 Bc4 33.ed4 Ba2 34.Ke2 Bc4 35.Kd1 Rd3 36.Kc2 Rd4 37.Rb7 h6 38.Rc7 g5 39.h5 Bf1 40.fg5 Ng5 41.Kb2 Rg4 42.Kc3 Nde4 43.Kc2 Rg3 44.Kd1 Rh3 45.Rc6 Rh5 46.Ke1 Rh1 47.Rg6 Kg6 48.Kd1 Bb5 49.Kc2–+ f5 50.Kb2 f4 51.Kb3 f3 52.Kb4 f2 53.Kb5 f1Q 0–1. maddoxdb – gillo603, gameknot.com, 2013. (=1.c3 e5 2.b4 d5 3.g3 Bf5)

4.d3 Nc6 5.h3 (5.b5 Nce7+=) 5...h6 6.g4 Bg6 (6...Be6–/+) 7.Ba3? (better is 7.b5!? Nb8 8.Nf3+=) 7...Nf6 8.c4?? (8.Nf3!?–+) 8...Nb4 (8...dc4!? 9.Nf3 e4 10.b5–+) 9.Bg2?! (9.Nf3 e4 10.Nbd2 Nd3 11.ed3 ef3 12.Qa4 Qd7 13.Qd7 Kd7 14.Bf8 Re8 15.Kd1 Rhf8–+) 9...Bc5 (9...dc4!? 10.Bb7 Rb8 11.Qa4 Qd7 12.Qa7 Nc2 13.Kf1–+) 10.cd5 Nfd5 11.e4 (11.Nf3 Qe7 12.0–0–+) 11...Nf4 (better is 11...Qh4 12.Qd2 Bf2 13.Kd1 Ne3 14.Kc1 a5–+) 12.Bf3 (12.Bb4 Bb4 13.Kf1 Qd4–+) 12...Nbd3 (better is 12...Qd4 13.Rh2 Qa1–+) 13.Kd2 (13.Kf1 Bd4 14.Nd2 Nf2 15.Qa4 c6 16.Rh2 Ba1 17.Nc4–+) 13...Nf2 14.Kc1 Nd1 15.Bd1 Ba3 (15...Be3 16.Kc2 Qd3 17.Kb2 Bd4 18.Nc3 Qc3 19.Kb1 Be4 20.Bc2 Qc2) 16.Kc2 Qd3# 0–1. Elsner,David (1680) – Albrecht,Markus (2115), remoteschach.de, 2004.

4.Bg2 Bb1 5.Rb1= c6 6.d3 Nf6 7.Nf3 Bd6 8.0–0 0–0 9.Bg5 Nbd7 10.Qd2 Be7 11.a4 h6 12.Bf6 Bf6 13.a5 b6 14.ab6 Nb6 15.Ne1 Bg5 16.e3 f6?? 17.h4 Kf7 18.hg5 hg5 19.Nc2 Rh8 20.Ne1 Rh6?? 21.Nf3 Qd7 22.Ne1 Rah8?? 23.Nc2?? Qf5?? 24.Ne1 Qh7?? 25.Nf3?? g4 26.Nh4=+ g5 27.Nf3?? Rh1! 28.Bh1 Qh1 0–1. guerino (2100) – sburritt, net–chess.com, 2006.

4.Bg2 c6 5.d3 Bd6 6.Nf3 Nf6 7.0–0 Nbd7 8.Bg5 Be7 9.Nbd2 b5 10.Qb3 0–0 11.a4 a6 12.a5 c5 13.Nh4 Be6 14.Rac1 d4–/+ 15.Qb2 dc3 16.Qc3 Rc8 17.bc5 Rc5 18.Qb2 Rc1–/+ 19.Rc1 Qa5 20.Nhf3 Ba3 21.Qc3 Qc3–+ 22.Rc3 Bb4 23.Rc2 Bd2 24.Nd2 h6 25.Be3 b4 26.Rb2 a5–+ 27.Nb3 Bb3 28.Rb3 Rc8 29.Bb7 Rc2 30.Kf1 Ng4 31.h3 Ne3 32.fe3 Nc5 33.Rb1 Nb7 34.Ke1 Nd6 35.Kd1 Rc7 36.e4 Nb5 37.Kd2 Na3 38.Rb2 Nb5 39.e3?? f6 40.Ra2 Ra7 41.Rb2 g5 42.Kc2 Rc7 43.Kd2 Rc3 44.Ke2 Ra3 45.Kd2 b3 46.Kc1 Ra1 47.Rb1 Rb1 48.Kb1 a4 49.Kb2 Kg7 50.g4 Kg6 51.d4 ed4 52.ed4 Nd4 53.Kc3 Ne6 (54.Kb2 Nc5–+) 0–1. kostaspetidis (2105) – sburritt, net–chess.com, 2006.

3.g3 Nf6–/+

4.Bb2 Bd6 5.Bg2 0–0 6.Nf3 Re8 7.0–0 Bg4 8.d3 Nbd7 9.Nbd2 c5 10.b5 e4 11.de4= Ne4 12.Ne4 Re4 13.Nh4 Re2–/+ 14.Bc1? Nf6?? 15.Qb3?? c4–+ 16.Qb1 Ne4 17.Be4 de4 18.Be3 Qe7 19.a4 h6 20.Re1 g5?? 21.Re2+= Be2 22.Nf5 Qe6 23.Nd4 Bd3=+ 24.Qd3? ed3–+ 25.Ne6 fe6 26.h4 gh4 27.gh4 h5 28.Kf1 Be7 29.Bg5 Bg5 30.hg5 Kg7 31.f4 Kg6 32.Kf2 Kf5 33.Ke3 h4 34.Rh1 Rh8 35.Kf3 e5 36.fe5 Kg5 37.Ke4 Rd8 38.a5 d2 39.Rd1 h3 40.e6 Kf6 41.Kf3 Rd3 42.Kf2 Ke6 43.Kg1 Kd5 44.Kh2 Kc5 (45.b6 a6–+; 44...Ke4!? 45.Kg1–+) 0–1. savage13 – khani9, ChessWorld.net, 2007.

4.e3 Bd6 5.Nf3 Bg4 6.Be2 e4 7.Nd4 Be2 8.Qe2 0–0 9.0–0 a5 10.b5 c5 11.Nb3 a4 12.Nc5 Bc5 13.c4 d4 14.Bb2 a3 15.Bc1 d3 16.Qd1 Nbd7 17.Nc3 Ne5 18.f4 Nc4 19.g4 Bb4 20.Qb3 Bc3 21.Qc3 Ng4 22.Qc4 Qh4 23.Rf3 Qh2 24.Kf1 Qh1 0–1. willi_weizenkeim – tabalu, playchess.de, 2002.

4.Nf3 Nc6 5.e3 Bg4 6.Be2 d4 7.ed4= ed4 8.b5 Na5 9.Nd4+= c6?? 10.bc6 Nc6? 11.Nc6 bc6 12.Bg4 Bc5 13.Bf3 Nd5 14.Qe2 Ne7 15.Bc6 Qd7 16.Bd7 Kd7 17.0–0 Rhd8 18.Ba3 Rac8 19.Qb5 Nc6 20.Bc5 a6 21.Qa6 Ke8 22.Qb7 Nb8 23.Qe7 (23.Re1) 1–0. zggenev – KaiKerling, ChessWorld.net, 2005.

4.Nf3 Bd6 5.Bg2 0–0 6.0–0=+ Nbd7 7.d3 Nb6 8.Bb2 Bd7 9.a4 a5 10.b5 Re8 11.Nbd2 h6 12.c4= dc4 13.dc4 Rb8 14.Qc2 Bc5 15.Ne5 Be6 16.Nb3 Qd6 17.Rad1 Qe7 18.Na5 Bd6 19.Bb7 Be5 20.Be5 Bc4 21.Nc4 Nc4 22.Bf6 Qf6 23.Bc6 Nd6 24.Be8 Ne8 25.Rd7 Rc8 26.Rfd1 c6 27.b6 Rb8 28.a5 g6 29.Ra7 Nd6 30.Qc6 Rd8 31.Rd7 Rd7 32.Qd7 Ne4 (32...Nf5 33.Qd8 Kg7 34.Qf6 Kf6+–) 1–0. LogDog – poker, fics unrated blitz g, 1996.

4.Nf3 Bd6 5.Bg2 e4 6.Nd4 –/+.

4.Bg2 a5 5.a3 Be7 6.Bb2–/+ Nc6 7.e3 ab4–/+ 8.ab4 Ra1 9.Ba1 0–0 10.Ne2 e4 11.0–0 Bd7 12.Nd4 Nd4–/+ 13.ed4 Bb5 14.Re1 Qd6 15.Na3 Bd3 16.Bf1 Bf1–+ 17.Rf1 c6 18.Nc2 Qe6 19.Ne3 Ng4?? 20.Ng4+– h5 21.Ne5 f6 22.Ng6 Re8 23.Ne7 (23...Qe7 24.Qh5+–) 1–0. tomy (2260) – ajeffries (1645), net–chess.com, 2006.

4.Bg2 a5 5.Nf3 e4 6.Ng1 (better is 6.Nd4!? ab4 7.Bb2–/+) 6...ab4–+ 7.Bb2 Nc6 8.d4 (8.Nh3 Bg4–+) 8...Be7 (8...Bf5 9.a3 e3 10.fe3–+) 9.cb4 Nb4 10.a3 Nc6 11.e3 0–0 12.Ne2 Bd6 13.0–0 Bf5 14.h3 (14.Nbc3 Na5–+) 14...h6 15.Nd2 Qe7 16.Qb3 Na5 17.Qc2 b5 18.Nc3 (18.Nf4 Rfb8–+) 18...c6 19.g4 Bd7 20.Rfe1 h5 (20...Nc4 21.Nc4 bc4 22.Rab1–+) 21.g5 Nh7 22.h4 Qe6 (22...Nc4 23.Nc4 bc4 24.a4–+) 23.f3 (23.Qd1 Qf5–+) 23...ef3 24.Nf3 f5 25.Ne5 Be5 26.de5 Nc4 (26...Qe5 27.Nd5 Qg3 28.Qc5 Ng5 29.hg5 Qg5 30.Nb6+=) 27.Ne2 (27.a4 b4 28.Ne2 Ne3–+ (28...Ne5?! 29.Nf4 Qd6 30.Bd4+=)) 27...Ne3 (27...Ne5?! 28.Nf4 Qe7 29.a4+=) 28.Qb3 f4 29.Nf4 (29.Nd4 Qg4 (29...Qe5?! 30.Nc6 Qd6 31.Bd5 Kh8 32.Qc3+=) 30.Re3 fe3 31.Qe3 Rae8–+) 29...Rf4 30.Re3 Rh4 31.g6 Qg6 32.Rg3 Rg4 33.Bd5 Kh8 34.Rg4 Qg4 35.Bg2 Ng5 36.Rf1 h4 37.Qb4 Qg3 38.Qc3 Qc3 39.Bc3 Ra3 40.Bb4 Rg3 41.Rf8 Kh7 42.Kh2 Re3 43.Rd8 Re2 44.Rd7 h3 45.Rd2 Rg2 46.Rg2 hg2 47.Kg2 Kg6 48.Bf8 Ne6 49.Bd6 Kf5 50.Kf3 c5 51.Ke3 g5 52.Be7 b4 53.Kd3 Ke5 54.Kc4 g4 55.Bh4 Ke4 56.Bf2 Kf3 57.Bh4 g3 58.Bg3 Kg3 59.Kb3 Kf3 60.Kc4 Ke3 61.Kb3 Kd3 62.Kb2 Nd4 63.Kc1 c4 64.Kd1 Nf3 65.Kc1 c3 66.Kb1 b3 67.Ka1 Kd2 68.Kb1 Nd4 0–1. deuce315 (1895) – westaust (2145), gameknot.com, 2011. (=1.g3 e5 2.Bg2 d5 3.c3 Nf6 4.b4 a5)

4.Bg2 c6 5.Nf3 Bd6 6.0–0 Bg4 7.d3 0–0 8.Bg5 Nbd7 9.a3 Qc7 10.c4 b6 11.Nc3 d4 12.Nb1 c5 13.b5 Rae8 14.e4 Be7 15.Nbd2 Ra8 16.h3 Be6 17.a4 a6 18.Qe2 ab5 19.ab5 Ra7 20.Nb3 Rfa8=+ 21.Qb2 Kf8 22.Ra7= Ra7 23.Nh2 Qd8 24.f4 Nb8 25.fe5+= Nbd7?? 26.ef6+– Nf6 27.Nf3 Qa8 28.Ra1 Ra1 29.Qa1 Qa1 30.Na1 Nd7 31.Nc2 h6 32.Bf4 f6 33.Kf2 Kf7 34.Nd2 Ne5 35.Bf1 g5 36.Be5 fe5 37.Kf3 Kg6 38.Ne1 h5 39.Kf2 Kf6 40.Be2 g4 41.hg4 hg4 42.Nf1 Kg5 43.Nh2 Bf8 44.Ng2 Bh6 45.Nh4 Bd7 46.Nf5! Bf5 47.ef5 Kf5 48.Bg4 Kf6 49.Kf3 Be3 50.Nf1 Bh6 51.Ke4 Bf8 52.Nh2 Bd6 53.Bd7 Ke7 54.Bc6 Kf6 55.Nf3 Ke6 56.Bd5 Kf6 57.g4 Bc7 58.Ne5! Be5 59.g5! Kg5 60.Ke5 (60…Kg4 61.Kd6+–) 1–0. guerino (2100) – losertoo (1860), net–chess.com, 2006.

4.Bg2 Bd6 5.Qb3 Be6 6.Qa4 Nc6 7.b5 Ne7 8.Ba3 Ba3 9.Na3 Qd6 10.Bh3 Bh3 11.Nh3 0–0 12.Qh4?? (better is 12.Qb4–/+) 12...Qa3–+ 13.Ng5 h6 14.Nf3 Qb2 15.0–0 Qb5 16.Qb4 Qb4 17.cb4 e4 18.Ne5 Nc6 19.Nc6 bc6 20.Rac1 Rab8 21.a3 Rb6 22.Rc2 Rfb8 23.Rfc1 Ra6 24.Rc6 Ra3 25.Rb1 a5 26.b5 Ne8 27.Rc5 Nd6 28.Rd5 Ra2 29.b6 Rb6 (better is 29...Nc4–+) 30.Rb6 cb6 31.Rd6 b5 32.Rb6 (32.f3 ef3 33.ef3 a4–+) 32...b4 33.e3 Rd2 34.Kf1 f6 35.Ke1 Rc2 36.Rb8 Kf7 37.h4 Kg6 38.g4 h5 39.g5 fg5 40.Rb6 Kf5 41.Rb5 Kg4 42.Rg5 Kh4 43.Ra5 b3 44.Kd1 (44.Re5 b2 45.Re4 Kh3–+) 44...Rf2 45.Rb5 (45.Kc1–+) 45...b2 46.Rb4 Kg3 47.Rb7 Kf3 48.Rb3 h4 49.Ke1 (49.Rb7 h3 50.Rf7 Ke3 51.Rb7 Rd2 52.Ke1 h2 53.Rb3 Rd3 54.Rd3 ed3 55.Kd1 b1Q) 49...h3 50.Rb2 Rb2 51.Kd1 h2 52.Kc1 Re2 53.Kd1 h1Q 0–1. maddoxdb – tomhall6787, gameknot.com, 2011. (=1.c3 e5 2.b4 d5 3.g3 Nf6 4.Bg2 Bd6)

4.Bg2 Bd6 5.d4 ed4 6.Qd4 0–0 7.Bg5 Nc6 8.Qd2 h6 9.Bh4 g5–/+ 10.Bg5 hg5 11.Qg5 Kh8 12.h3 Be6 13.Nf3 Ne4 14.Qh6 Kg8 15.b5 Ne5 16.Nfd2 Qf6 17.Qf6 Nf6 18.f4 Ned7 19.Rf1 (19.c4 Nc5 20.cd5 Bd5 21.Bd5 Nd5–+) ˝–˝. Lonsdale,David Robert (1750) – Muller,Henri (1825), b2–b4.com, 2005.

4.Bg2 Bd6 5.d4 ed4 6.Qd4 Nc6 7.Qe3 Be6 8.Nf3 0–0 9.0–0 Qd7 10.Rd1 Rfe8 11.Qd2 Bh3 12.Bh1 a5 13.b5 Ne5 14.a4 c6 15.Na3 Ne4 16.Ne5 Re5 17.Qe1 Bc5 18.Be4 Re4–+ 19.Nc2 cb5 20.Be3 Bf8 21.ab5 Qb5 22.Qd2 Rc4 23.Na3 Ba3 24.Ra3 Be6 25.Bd4 f6 26.Rda1 a4 27.Qd1 Qc6 28.Qd3 b5 29.R3a2 ˝–˝. Lonsdale,David Robert (1750) – Schulz,Hans_Juergen (1750), b2–b4.com, 2005.

4.Bg2 Bd6 5.Nf3 0–0 6.0–0 Bg4 7.d3 c6 8.Bg5 Nbd7 9.Nbd2 Qc7 10.a4 Rac8 11.c4 Bb4–/+ 12.Qb3 Be7 13.cd5 cd5 14.h3 Be6–+ 15.Rfd1 d4 16.Nf1?? Bb3–+ (17.Rdc1 Qa5–+) 0–1. kostaspetidis (2105) – losertoo (1860), net–chess.com, 2006.

4.Bg2 Be6 5.Nf3 Nbd7 6.0–0 Be7 7.d3 0–0 8.Nbd2 a5 9.ba5 Ra5 10.Bb2 Qa8 11.Qb1 c5 12.Rc1 c4 13.Rd1 cd3 14.ed3=+ Bg4 15.c4 e4 16.de4+= de4 17.Ne4 Ne4 18.Qe4+– Bh5?? 19.Qe7 Nf6 20.Bf6 gf6 21.Qf6 Ra2 22.Ra2 Qa2 23.g4! Bg6 24.h4 Bc2 25.Rd5 Ra8 26.Rg5 Kf8 27.Ne5 Bg6+– 28.h5 Qa1 29.Kh2 Ra6 30.Qd8 Kg7 31.hg6 hg6 32.Qe7 Rf6 33.Qb7 Qa6 34.Qa6 Ra6 35.Nd3 Ra4 36.Bd5 Ra3 37.Be4 Rc3 38.Kg3 Rb3 39.Rb5 Ra3 40.c5 Kf6 41.c6 Ke7 42.Rd5 Ra8 43.f4 Ra3 44.Kf2 Ra2 45.Ke3 Rc2 46.Rc5 Rc5 47.Nc5 Kd6 48.Kd4 Kc7 49.Ke5 Kd8 50.Kf6 (50…Kc8 51.Kf7 Kc7 52.Na6 Kb6 53.c7 Ka6 54.c8Q Kb5 55.g5 Kb4 56.Kg6 Kb3 57.f5 Kb4 58.f6 Kb3 59.f7 Kb4 60.f8Q Ka4 61.Qc6 Kb3 62.Qc2) 1–0. kostaspetidis (2105) – gdraper (2035), net–chess.com, 2006.

4.h4 Bd6 5.d4 –/+.

4.h4 Ng4 5.Bh3=+ Qf6?? 6.Bg4?? Bg4–/+ 7.a4 c5 8.bc5 Bc5 9.Nf3 e4–+ 10.Ng5?? Qf2 0–1. Oinky – Wall,Bill, Internet, 2002.

2.c3 d6

3.a3 Nf6 4.d4 Nbd7 5.e3 Be7 6.f4 0–0 7.g3 ef4 8.ef4 a5 9.g4 ab4 10.cb4 d5 11.f5 (11.Bd2–+) 11...Bb4! 12.Ke2 (12.ab4 Qe7 Double attack (12...Ra1 Pinning; 12...Ra1 Deflection; 12...Qe7 Decoy)) 12...Re8 13.Kd3 (13.Kf2 Re1 14.Qf3 Rc1–+) 13...Re1 14.Qe1 (14.Qb3 Rf1 15.Qb4 Rc1–+) 14...Be1 15.Be2 (15.h3 Ne4 16.Be3 Qf6–+) 15...Qe8 16.Nf3 (16.Nd2 Bf2 17.Bb2–+) 16...Qe4 0–1. Norsworthy,Elizabeth – Owens,Johnny, IECG Cat–T email, 1995. (=1.a3 e5 2.b4 d6 3.c3 Nf6)

3.Ba3 f5 4.Nf3 Nf6 5.e4? (better is 5.e3!?+=) 5...fe4–+ 6.Ng1 Be6 7.Bc4?? (better is 7.d3 ed3 8.Bd3–+) 7...Bc4 8.f3 ef3 9.Nf3 Be6 (9...e4 10.Nd4–+) 10.b5 Qd7 11.d3 (11.Qa4 Bd5–+) 11...c6 12.c4 cb5 13.cb5 a6 14.ba6 Na6 15.Qb3 Bb3 16.ab3 Be7 17.Nc3 0–0 18.Nd5 Nd5 19.Bd6 Bd6 20.Ra6 ba6 21.Ne5 Be5 22.Rf1 Rf1 (22...Rf1 23.Kf1 Rf8 24.Ke1 Qg4 25.d4 Qg2 26.de5 Rf1; 22...Bc3 23.Kd1 Rf1 24.Kc2 Rc8 25.d4 Qf5) 0–1. pacoses (1620) – Fournier,Frederic (1930), Active Blind, 2008. (=1.c3 e5 2.b4 d6)

3.Na3 Bd7 4.Nc2 d5 5.e3 Nf6 6.Be2 Nc6 7.d3 Bd6 8.g3 0–0 9.f3 a5 10.b5 Ne7 11.a4 c6 12.Ba3 Ba3 13.Na3 Qb6 14.c4 (better is 14.d4!? ed4 15.cd4–/+) 14...cb5 15.Rb1 Qe3 16.Nc2 Qc5 17.ab5 Nf5 18.Qd2 Be6 19.f4 ef4 20.Qf4 dc4 21.dc4 Rfe8 22.Nf3 (22.Kf1–+) 22...Bc4 23.Rb2 (23.Ncd4 Rad8 24.Rd1 Be2 25.Ne2 Rd1 26.Kd1 Ne3 27.Ke1 Ng2 28.Kf1 Nf4 29.gf4–+) 23...Be2 24.Ncd4 Bf3 25.Ne2 Qc3 26.Qd2 Qd2 27.Rd2–+ Bh1 28.Kf1 Bf3 29.Kf2 Be2 30.Re2 Re2 31.Ke2 a4 (31...a4 32.Ke1 a3 33.Ke2 a2 34.h4 Ng3 35.Kd2 a1Q 36.b6 Nfe4 37.Ke3 Qf6 38.h5 Ra3) 0–1. Johansen,Paul Ivar – Kulagin,Ilja, Tromsoe Bymesterskap–B NOR, 2007. (=1.c3 e5 2.b4 d6)

3.a4 a6 4.d3 Nd7 5.e4 b5 (Better is 5...Ngf6!?=+) 6.ab5+/– Nb6 (6...Bb7!? 7.ba6 Ba6+/–) 7.d4 Nf6 8.de5 de5 (8...Ne4 9.ba6 Qh4+–) 9.Qd8 Kd8 10.ba6 Bd6 11.Nd2 Nbd7 12.Ngf3 Nb8 13.b5 Ra7 14.Ng5 Ke7 15.Nc4 h6 16.Be3 hg5 17.Ba7 Ne4 18.Bb8 Nc3 19.Nd6 cd6 20.Ba7 Nb5 21.Bb5 Rh4 22.Be3 Rb4 23.Bd3 e4 24.Bd2 Rd4 25.Be2 f5 26.f3 f4 27.Bc3 Rd5 28.fe4 Rc5 29.a7 Bb7 30.a8Q Ba8 31.Ra7 Ke6 32.Bg4 Rf5 33.Bf5 1–0. orane (2115) – sleepyhead (1800), Live Game Caissa's Web, 2004.

3.a4 c6 4.d4 Nf6 5.de5 de5 6.Qd8 Kd8 7.Nf3 e4 8.Ng5 Rg8 (better is 8...Ke8!? 9.Nd2 e3+=) 9.e3 h6 10.Nf7 Kc7 11.Bc4 Be7 12.b5 c5 13.a5 a6 (better is 13...Bf5!?+/–) 14.b6+– Kd7 15.f4 (15.Ne5 Kd6 16.Bg8 Ng8 17.Nc4 Kd5+–) 15...Ke8 (15...ef3 16.gf3 Ke8 17.Rg1+–) 16.Ne5 Nbd7 (16...Rh8 17.Bf7 Kf8 18.Ng6 Kf7 19.Nh8 Ke8 20.Ng6+–) 17.Nd2 Ne5? (17...Rh8 18.Bf7 Kf8 19.Ng6 Kf7 20.Nh8 Ke6+–) 18.fe5 (18.Bg8?! Nd3 19.Kf1 Ng8 20.Ne4 Be6=) 18...Ng4 (18...Rf8 19.ef6 gf6 20.Ne4+–) 19.Bg8 Ne3 20.Ke2 Ng2 (20...Nc2 21.Ra4 Bg4 22.Kf1+–) 21.Ne4 Bg4 22.Kf2 Nh4 23.Rg1 Bf5 (23...Kd7 24.Bd5 Rf8 25.Ke3 Rf3 26.Kd2+–) 24.Bd5 Rd8 25.Bb7 Rd3 (25...g5 26.Be3 Ng6 27.Nd6 Bd6 28.ed6+–) 26.Rg7 Nf3 (26...Rf3 27.Ke2 Rh3 28.Bc6 Kf8 29.Bh6+–) 27.Bc6 Kf8 28.Bh6 Bh4 29.Ke2 Ne5 30.Rag1 (30.Rag1 Bg6 31.R1g6 Ng6 32.Rg6 Kf7 33.Rg7 Ke6 34.Kd3+–) 1–0. miehnekort – hcetos, Yahoo, 2005.

3.a4 Nc6 4.d4 ed4 5.b5 Ne5 6.cd4 Nc4 7.d5 Nb6 (7...Be7 8.e4 Ne5 9.Nc3=) 8.a5+= Nd7 9.Nf3 Ngf6 10.e3 Be7 11.Bb2 0–0 12.Bc4 c6 (12...Nc5!?+=) 13.dc6+/– bc6 14.bc6 Ne5? (better is 14...Nb8 15.Nd4 Qc7+/–) 15.Ne5+– de5 16.Qd8 Bd8 17.Be5 Nd7 (17...Bf5 18.Nc3 Rc8+–) 18.cd7 Bd7 19.Ke2 Bg4 20.f3 Be6 21.Nd2 Bf6 (21...Rc8 22.Bd3+–) 22.Bf6 gf6 23.Rhc1 Bc4 24.Rc4 Rad8 25.Rc7 a6 26.Ne4 Rc8 27.Rac1 Rb8 28.Ra7 Rb2 29.Kf1 Rd8 30.Nf6 Kg7 31.Ra6 Rdd2 32.Nh5 Kg8 (32...Kf8 33.Nf4 Ra2+–) 33.Rc8 Rd8 34.Rd8 1–0. orane – mcjustud14, Live Game Caissa's Web, 2004. (=1.c3 e5 2.b4 d6 3.a4 Nc6)

3.a4 e5 4.a5 Be6 5.e3 Nf6 6.a6 Bb3?? (better is 6...Na6 7.Ba6 ba6+=) 7.Qb3 (7.Qb3 Na6 8.Bb5 c6 9.Ba6 ba6 10.d3+–) 1–0. maddoxdb – solrac13, gameknot.com, 2013. (=1.c3 e6 2.b4 d6 3.a4 e5)

3.a4 Qe7 4.e3 Nf6 5.a5 a6 6.Qb3 Be6 7.c4. maddoxdb – gaudeamus, gameknot.com, 2013. (=1.c3 e5 2.b4 d6 3.a4 Qe7)

3.a4 f5 4.Nf3 Nf6 5.d4 e4 6.Ng5 h6 7.Nh3 Be7 8.Nf4 0–0 9.Qb3 Kh7 10.Ne6 Be6 11.Qe6 Qd7 12.Qd7 Nbd7 13.c4 c5 14.bc5 dc5 15.e3 cd4 16.ed4 Rac8 17.a5 g5 (17...Rfd8!? 18.Be3 Nf8=) 18.Nc3+/– a6 19.Rb1 Rc7 20.h4 Kg6 21.hg5 hg5 22.Bd2 f4 23.c5 Re8 24.g3 fg3 25.fg3 Ng4 26.Nd5 Bd8 27.Nc7 Bc7 28.Rb7 Bg3 29.Ke2 Ndf6 30.Rb6 Kf5 31.Bh3 Nd5 32.Ra6 Nf4 33.Bf4 gf4 34.Bg4 Kg4 35.Rf6 f3 36.Ke3 Bh4 37.Rf4 Kg3 38.Rhh4 (38...Rg8 39.c6+–) 1–0. Marre – tzmz49, zagraj.pl, 2003.

3.a4 Qf6 4.e4= b6 (4...Be7 5.Na3=) 5.a5 b5 (Better is 5...ba5!? 6.Ra5 Qg6+=) 6.Bb5+/– c6 7.Bc4 Qg6 8.Qf3 Nf6 9.d3 Bg4 10.Qe3 d5 (10...Bh5!? 11.Qg5 Nbd7+/–) 11.ed5+– cd5 12.Qe5 Be6 13.Bb5 Nbd7 14.Ne2 Qg2 15.Rg1 Ng4?? (Better is 15...Qh3 16.Qc7 h5+–) 16.Qe6!! (16.Rg2?! Nge5 17.Bf4 Ng6+/–) 16...fe6 17.Rg2 (17...Ngf6 18.Be3+–) 1–0. marekt (2435) – macx, ChessWorld.net, 2003.

3.Bb2 a6 4.Qa4 (4.Nf3 Nf6+=) 4...Qd7 5.Qc2 Nc6 6.Qa4 (6.e4 d5+=) 6...b5 (6...Nf6 7.g3+=) 7.Qc2 Nf6 8.a4 Qf5 (8...ba4!? 9.Ra4 Be7+=) 9.d3 (9.Qf5!? Bf5 10.ab5 Bb1 11.bc6+=) 9...Be6 (9...Be6 10.ab5 Na7+–). kconnor – lpjones, net–chess.com, 2002.

3.Bb2 c6 4.e3 Nf6 5.d4 ed4 6.cd4 d5 7.a3 Be7 8.Nc3 Bf5 9.Bd3 Bd3 10.Qd3 0–0 11.Nf3 Nbd7 12.0–0 Bd6 13.b5 Bb8 14.a4 Qc7 15.Ba3 Re8 16.bc6 bc6 17.g3 Ne4 18.Qc2 Nc3 19.Qc3 Nf6 (better is 19...Nb6!?=) 20.Rac1+/– Re6 21.Ng5 Re8 22.Qc6 Qc6 23.Rc6 a5 24.Rb1 Ba7 (better is 24...h6 25.Nf3 Re6 26.Re6 fe6+–) 25.Rb7 h6 26.Nf7 Kh7 (26...Reb8 27.Nh6! Kh7 28.Rb8 Rb8+–) 27.Rf6! gf6 28.Nd6 Kg6 29.Ne8 Re8 30.Ra7 1–0. b4_player – hillary, internet, 2013. (=1.c3 e5 2.b4 d6 3.Bb2 c6)

3.Bb2 f5 4.d4 e4 5.e3 g6 (5...d5 6.Nh3+=) 6.Qa4 Nd7 7.Ne2 c6 8.c4 Bg7 (8...Ngf6 9.Nd2=) 9.Nf4 Nb6 10.Qb3 Nf6 11.Be2 0–0 12.Nc3 Kh8 13.c5 dc5 (13...Nbd5 14.Ncd5 cd5 15.Rd1+/–) 14.dc5+/– (worse is 14.bc5 Nbd5 15.Nfd5 Nd5 16.Nd5 cd5+=) 14...Nbd5 15.Rd1 a5 16.Ncd5 cd5 17.b5 a4 18.Qb4 a3 19.Bc3 (worse is 19.Ba3 g5 20.Nh3 h6+=) 19...Qe7 20.Nd5 Nd5 21.Rd5 Be6 22.Rd2 Rfd8 23.Rd8 Qd8 24.0–0 1–0. David Lonsdale – bridlingtonbrummie, chessworld.net, 2010.

3.Bb2 Nf6 4.Nf3 +=.

3.d3 a6 4.Nd2 (4.Nf3 Nf6=) 4...Nc6+= 5.e4 Nf6 (5...d5 6.ed5 Qd5 7.Ngf3=) 6.a4 (6.Ngf3 d5=) 6...Bd7 (6...d5 7.ed5 Nd5 8.Qc2+=) 7.Ngf3= Bg4 (7...d5 8.Rb1=) 8.Be2 (8.h3 Bf3 9.Nf3 d5=) 8...Bf3 (8...d5 9.0–0=) 9.Bf3+= (worse is 9.gf3 d5 10.Nb3 d4+=) 9...Be7 10.Bb2 Qd7 (10...0–0 11.0–0+=) 11.h3 (11.0–0 0–0+=) 11...h6 (11...0–0 12.0–0=) 12.0–0+= 0–0 13.b5 ab5 14.ab5 Ra1 15.Qa1 Nd8 16.c4 Ne6 17.g3 (17.Qa7!?+=) 17...c6 (17...Nc5 18.d4 ed4 19.Bg2+=) 18.Bg2 (18.bc6 bc6 19.Bg2 Qb7+=) 18...cb5 19.cb5 (19.d4 ed4 20.cb5 d5+=) 19...Qb5 20.d4 ed4 (20...Qe2 21.Rd1 ed4 22.g4–/+) 21.Bd4+= Nd4 (21...Qd3 22.Be3+=) 22.Qd4 Re8 (22...Qc5 23.Nb3 Qd4 24.Nd4+=) 23.Rb1= Qd7 (23...Qa6=) 24.e5 (better is 24.Qa7!?+=) 24...de5–/+ 25.Qe5?? (better is 25.Qd7 Nd7 26.Rb7–/+) 25...Qd2–+ 26.Rb7 (26.Qf5 g6 27.Qf3 Kg7 28.Rb7 Bc5–+) 26...Qd6 (26...Bd6 27.Qb5–+) 27.Qb2 (27.Qd6 Bd6 28.Kf1 Rc8–+) 27...Qd1 28.Kh2 Bd6 (28...Bc5 29.Qa2 Qh5 30.Bf3–+) 29.Qa2 (29.Qc3 Be5 30.Qc4 Rf8–+) 29...Rf8 (better is 29...Qh5 30.Qc4 Re2–+) 30.Bd5 (30.Qb3 Qb3 31.Rb3 Re8–+) 30...Qd5 (better is 30...Nd5 31.Qb3 Qb3 32.Rb3–+) 31.Qd5 Nd5 32.Rd7 Bc5 33.Rd5 Bf2 34.g4 Re8 35.g5 hg5 36.Rg5 f6 37.Rf5 Bd4 38.Kg2 Kf7 39.h4 Kg6 40.Rf4 Be5 41.Rg4 Kf7 42.h5 Rh8 43.Rh4 f5 44.Kf3 Kf6 0–1. bar (1905) – alwayslosing (1945), net–chess.com, 2008.

3.d3 h6 4.e4 Nf6 5.Nd2 Bd7 6.Ngf3 Na6 7.Bb2 d5 (better is 7...Qe7!?=) 8.Ne5+/– Be6 9.Be2 Bd6 10.Nef3 de4 11.de4 Ng4 (11...Bf4 12.Ba6 ba6 13.Qa4 Qd7 14.Qd7 Nd7 15.c4+–) 12.h3 Ne5 13.Ne5 Be5 14.Nf3 Bf6 15.e5 Be7 16.Qd8 Rd8 17.0–0 c6 18.a3 Nc7 19.Rad1 Rd1 20.Rd1 0–0 21.Nd4 Bd5 (21...Rd8 22.Ne6 Rd1 23.Bd1 Ne6 24.Bc2+–) 22.c4 Be6? (22...Be4 23.Nb3 Bf5 24.Na5+–) 23.c5 (better is 23.Ne6!? Ne6 24.Rd7 Re8 25.Rb7 a5+–) 23...Bd5 24.Nf5 Bg5 25.f4 (25.g3 b6+–) 25...Bd8? (better is 25...Bf4!? 26.g3 Bg5+/–) 26.Nd6+– b5 27.g3 Be7 28.Kf2 Ne6 29.Bf3 Bf3 30.Rd3?? Bd5–/+ 31.f5 Ng5 32.h4 Ne4 33.Ne4 Be4 34.Re3? Bf5–+ 35.Kf3 Be6 36.Kf2 a5! 37.Kg2 Ra8 38.Bc3 Bd5 39.Kf2 ab4 40.ab4 Ra2 41.Ke1 Kh7 42.Kd1 Kg6 43.Bd2 Kf5 44.Ke2 Be4 45.Ke1 Ke5 46.Bc3 Kd5 47.Bg7 h5 48.Kd1 f5 49.Bc3 Bf8 50.Re2 Bf3 0–1. Cosmic007 – neilo, chessworld.net, 2011.

3.d4 ed4 4.cd4 A) 4...Nf6 5.a3 (5.Nc3 d5 6.a3 Be7 7.Nf3 0–0 8.Bf4 Nh5 9.Bd2 Bf5 10.Ne5+=; 5.Nf3 d5 6.a3 Bd6 7.Nc3 a5 8.Qa4 c6 9.b5 0–0 10.bc6=; 5.e3 d5 6.a3 Bd6 7.Bd3 a5 8.b5 0–0 9.Nc3 Qe7 10.Nf3=) 5...Be7 6.Qd3 0–0 7.Nf3 Re8 8.Nc3 a5 9.b5 Nbd7 10.e4=; B) 4...Be7 5.e3 (5.Nf3 Nf6 6.e3 d5 7.Bd2 Bf5 8.Be2 0–0 9.0–0 Re8 10.a3=; 5.Nc3 d5 6.a3 Nf6 7.Nf3 0–0 8.Bf4 Nh5 9.Bc1 a5 10.b5=; 5.Qd3 d5 6.a3 Nf6 7.Nf3 0–0 8.Bf4 Nh5 9.Bd2 Re8 10.Nc3=) 5...Nf6 6.Nf3 d5 7.a3 a5 8.b5 Bf5 9.Bd3 Bd3 10.Qd3=; C) 4...Bf5 5.Nc3 (5.Nf3 d5 6.a3 Bd6 7.Nc3 c6 8.Bg5 Ne7 9.e3 0–0 10.Bd3+=; 5.a3 Nf6 6.e3 d5 7.Nf3 a5 8.b5 Bd6 9.Bd3 Bd3 10.Qd3=; 5.Bf4 Nf6 6.d5 c6 7.Nc3 Qb6 8.dc6 Nc6 9.a3 d5 10.e3=) 5...Nf6 6.Bg5 Be7 7.e3 Nc6 8.Bf6 Bf6 9.Qf3 Be6 10.Bb5=; D) 4...d5 5.a3 (5.Qa4 Bd7 6.b5 c6 7.e3 Nf6 8.Nf3 a6 9.Nc3 cb5 10.Bb5+=; 5.b5 Nf6 6.Nf3 a6 7.e3 Bg4 8.h3 Bf5 9.Qb3 Ra7 10.Ba3=; 5.Bd2 Bd6 6.e3 Nf6 7.Nf3 Qe7 8.a3 Bf5 9.Be2 0–0 10.0–0+=) 5...Nf6 6.Bf4 Bd6 7.Bd6 Qd6 8.e3 0–0 9.Bd3 Bg4 10.Nf3=.

3.d4 Nd7 4.e4 Ngf6 (4...ed4 5.Qd4 Ne7 6.Nf3 Nc6 7.Qd1 Qe7 8.Bd3 a5 9.b5 Nce5 10.Ne5=) 5.Qe2 (5.de5 de5 6.Bc4 Bd6 7.Be3 0–0 8.Nd2 Nb6 9.Qc2 Nc4 10.Nc4+=; 5.Nd2 d5 6.de5 Ne5 7.f4 Bg4 8.Qa4 Bd7 9.Qd1 Neg4 10.Bd3+=; 5.f3 Be7 6.Bd3 d5 7.Ne2 de4 8.fe4 ed4 9.Nd4 c5 10.bc5+=) 5...Be7 6.Nd2 0–0 7.Ngf3 ed4 8.cd4 Re8 9.Rb1 Nb6 10.a3+=.

3.d4 Be7 4.de5 de5 5.Qd8 Bd8 6.e4 Nf6 7.Nd2 Be6 8.Ngf3 Nbd7 9.Ng5 Bg4 10.f3 =.

3.d4 Nf6 4.de5 de5 5.Qd8 Kd8 6.Nf3 Nc6 (6...e4!? 7.Nd4 c5 8.bc5 Bc5=) 7.b5+= Ne7 8.Ne5 Ke8 9.e3 Nd7 10.Nd7 Bd7 11.e4 c6 12.a4 a6 13.ba6 ba6 14.Nd2 g6 15.Nc4 Bg7 16.Nd6 Kd8? (Better is 16...Kf8!? 17.Bd2 f5+/–) 17.Nf7+– Ke8 18.Nd6 Kf8 19.Kd2 Nc8 20.Ba3 Kg8?? 21.Bc4 Kf8 22.Nc8 Ke8 23.Nd6 Kd8 24.Nf7 Ke8 25.Rhe1 Bf8 26.Nh8 Ba3 27.Ra3 Kf8 28.Nf7 Be8 29.Nd6 Ke7 30.e5 Bd7 31.Rb3 Be6 32.Rb7 Kd8 33.Be6 h6 34.Rd7# 1–0. b4_player (2220) – polowe (1745), GameColony.com, 2003.

3.e3 d5 4.a4 Nf6 5.a5 c5 6.Bb5 Bd7 7.Bd7 Nfd7 (7...Kd7?! 8.bc5 Bc5 9.d4 ed4 10.cd4=; 7...Nbd7?! 8.bc5 Bc5 9.d4+=) 8.Ne2 cb4 9.cb4 Bb4 10.Qb3 Nc5 (10...Ba5 11.Qb7 Qc7 12.Qd5+/–) 11.Qc2 Nba6 12.0–0 0–0 (12...Ba5?! 13.d4 Nd7 14.Qb3+=) 13.Nbc3 d4 14.Nb5?? (14.Qa2 d3 15.Ng3 Bc3 16.dc3 e4–+) 14...Ne6 (better is 14...d3 15.Qd1 de2 16.Qe2 Re8–+) 15.Qa4 d3 16.Ng3 Nec5 17.Qa2 b6 18.ab6 Qb6 19.Na3 Nc7 20.Nc4 Qa6 21.Ne5 Qe6 22.Qe6 N7e6 23.Rb1 a5 24.Nf5 Ne4 25.f3 Nd2 26.Bd2 Bd2 27.Nd3 Rad8 28.Ne5 Bc3 29.Nc6 Rd5?? (better is 29...Rd2=) 30.Nce7 (30.Nce7 Kh8 31.Nd5+–) 1–0. maddoxdb – bkyle, gameknot.com, 2013. (=1.c3 d6 2.b4 e5 3.e3 d5)

3.e3 Bd7 4.a4 Nf6 5.Bb5 Bb5 6.ab5 b6 7.Qf3 d5 8.Bb2 Qd7 9.Ne2 e4 10.Qh3? (better is 10.Qg3=) 10...Qh3–+ 11.gh3 Nbd7 12.Nd4 Nb8 13.Rg1 (13.Ne2 a5 14.c4 dc4 15.ba5 ba5 16.Bf6 gf6+=) 13...Bd6 (13...Rg8!?–/+) 14.Nf5 Rg8 15.Rg7 (15.Ng7? Kf8–+) 15...Rg7 16.Ng7 Kf8 17.Nf5 Nbd7 18.Nd6 cd6 19.Na3 Ne8 20.0–0–0 Ne5 21.Rg1 Nf3 22.Rg2 Ne1 23.Rg5 f6 24.Rd5 Nd3 25.Kb1 Nf2 26.Nc4 Ke7 27.Rh5 d5 28.Rh7 Ke6 29.Na3 Nd6 30.Nc2 Nb5 31.Rh6 Rg8?? (31...Rf8 32.h4+=) 32.Ka2?? (better is 32.c4 Rg1 33.Ka2+–) 32...Rg2 33.c4 Attacks the backward pawn on f6 33...dc4 34.Rf6 Ke7 35.Na3? (35.Rf4 Nd6 36.Bc3 Rh2–/+) 35...Na3 (better is 35...Nd3!? 36.Nb5 Rd2–+) 36.Ka3+= Nd3 37.Bc3 Rh2 38.Ka4 Nb2?? (better is 38...Rd2! 39.Bd2 Kf6+=) 39.Bb2+/– Rd2 40.Bd4 Rd4 41.Rf4 Rd6 42.Re4+/– Re6 43.Rc4 Re5 44.Rc7 Kd6 45.Ra7 b5 46.Ka5 Re3 47.Rh7 Ra3? 48.Kb5 Ra8 49.Kc4 Kc6 50.b5 Kb6 51.Rh6 Ka5 52.Ra6! Ra6 53.ba6 Ka6 54.h4 Kb7 55.h5 Kc8 56.h6 Kd7 57.h7 Ke6 58.h8Q Kf5 59.Kd4 Kf4 60.Qh6 Kf5 61.Kd5 Kg4 62.Ke4 Kg3 63.Qg5 Kf2 64.Qe3 1–0. maddoxdb – karlo715, gameknot.com, 2012. (=1.c3 e5 2.b4 d6 3.e3 Bd7)

3.e3 Be6 4.Nf3 Nf6 5.d3 Be7 6.Be2 0–0 7.Bb2 Nbd7 8.Nbd2 c5 9.bc5 dc5 10.Rb1 (10.c4 Bd6=) 10...Qc7 (10...Ba2 11.Ra1 Be6 12.c4–/+) 11.0–0 (11.c4 Rad8=) 11...Rad8 (11...Ba2!? 12.Ra1 Be6–/+) 12.e4 b6 13.c4 Nb8 (13...Nh5 14.Ne1 Nf4 15.Bg4+=) 14.a4 (better is 14.Ne5 Nfd7 15.Nd7 Bd7 16.Nf3+=) 14...Nc6+= 15.Nb3 (15.Re1 Qd6+=) 15...Nd4 (better is 15...Ne4!? 16.Qc1 Nf6–+) 16.Nbd4+= cd4 17.Qc1 Bc5 18.Ba3 Ba3 19.Qa3 Ne4?? (better is 19...Nh5+=) 20.de4+/– b5? (better is 20...f5 21.Ng5 Bc8+/–) 21.cb5 Rd6 (21...f6+–) 22.Rbc1 Qd8 (22...Qe7 23.Ne5 Bd5 24.Nc6 Bc6 25.Rc6+–) 23.g3 (better is 23.Ne5 d3 24.Bd3+–) 23...d3 24.Bd3 (better is 24.Rfd1 Bg4 25.Rd2+–) 24...Rd3+/– 25.Qd3?? (better is 25.Rc3 Rc3 26.Qc3+/–) 25...Qd3–+ 26.Rfd1 (26.Ne5 Qe4 27.Rfe1 Qa4–+) 26...Qe4 (26...Qf3 27.g4 Bg4–+) 27.Kg2 (27.Ng5 Qa4 28.Ne6 fe6–+) 27...Bg4 28.h3 (28.Rc3–+) 28...Bf3 (28...Qf3 29.Kg1 Bh3 30.b6 Qg2) 29.Kg1 Bd1 (29...Bd1 30.Rd1 Qa4–+) 0–1. Fournier,Frederic (1800) – Eltiti19 (1680), Active blind, 2011.

3.e3 f5 4.a4 h6 5.a5 g5 6.Qb3 Nf6 7.f3 Qe7 8.Na3 c6 9.b5 c5 10.b6 Be6 11.Qa4 Bd7 12.Nb5 Kf7 13.Qb3 Be6 14.Qc2 (better is 14.Qb2 ab6 15.h4+=) 14...a6?? (14...ab6!? 15.Bd3 f4–/+) 15.Na3 (better is 15.Nc7+–) 15...Nc6+= 16.Bd3 Na5 17.c4 (17.Bf5!? d5 18.h4 gh4 19.Be6 Qe6 20.d3+=) 17...Qd7 18.Bb2 Qc6 19.Bf5 Qd7 (19...Qb6 20.Rb1 Qc7 21.Be6 Ke6 22.Ne2+=) 20.Bg6 Kg7 21.Bh5?? (better is 21.f4 Nc6 22.fe5 Ne5 23.Be5 de5 24.Nf3=) 21...Nh5–+ 22.g4 Nf6 23.h4 Ng4! 24.h5 (24.fg4 Qc6 Combination) 24...Qf7 25.fg4 Bg4 26.Qe4 Bh5 27.Nh3?? (27.Qd3–+) 27...Bf3 28.Be5 Kg8 29.Rf1 (29.Ng5 Be4 30.Nf7 Bh1 31.Bh8 Kf7 32.Ke2–+) 29...g4 (better is 29...Be4 30.Rf7 de5–+) 30.Rf3–/+ gf3 31.Qg4? Bg7–+ 32.Kf2 de5 33.Rg1 Kf8 34.Qf3 Qf3 35.Kf3 Rd8 36.Rd1 Ke7 37.e4 Rd3 38.Ke2 Ra3 39.Nf2 Nc4 40.Nd3 Kd6 41.Rg1 Bf8 42.Rg6 Kd7 43.Rf6 h5 44.Rf7 Kc8 45.Rc7 Kb8 46.Nc5 Bc5 47.Rc5 Nb6 48.Re5 h4 49.Rg5 h3 50.Rg1 h2 51.Rh1 Ra2 52.e5 Nc4 53.e6 Rd2 54.Kf3 Nb2 55.e7 Re8 56.Re1 Re7! 57.Re7 h1Q 0–1. maddoxdb – frnz571, gameknot.com, 2011. (=1.c3 e5 2.b4 d6 3.e3 f5)

3.e3 g6 4.Be2 Bh6 5.Nf3 Bg4 6.d4 Nf6? (better is 6...e4!? 7.Nfd2 Be2 8.Qe2 Qe7=) 7.de5+/– Ne4 (7...de5 8.Qd8 Kd8 9.Ne5+/–) 8.0–0 (8.Qd5 f5 9.ef6 Nf6 10.Qb7 Nbd7+–) 8...0–0 (8...d5 9.c4 Bg7 10.Bb2 (10.cd5?! Bf3 11.Bb5 Kf8 12.Qf3 Be5 13.Qe4 Ba1=) 10...dc4 11.Bc4 Qd1 12.Rd1+/–) 9.ed6 (better is 9.Qd5!? Ng5 10.Qb7+–) 9...Nd6+/– 10.h3 Be6 11.Nd4 a5 12.Ne6 fe6 13.Bg4 Re8 14.Qb3 Nc6 (better is 14...Qf6!?+/–) 15.Be6+– Kh8 16.Bb2 (16.Bd5 Qf6 17.Bc6 bc6+–) 16...Bg7 17.Bd5 ab4 (17...Ne5 18.Qc2+/–) 18.Bc6 Re6?? (better is 18...bc3 19.Bc3 bc6+–) 19.Qe6 bc6 20.Qb3 c5 (20...Qg8 21.Rc1 Nc4 22.a3 Nb2 23.Qb2+–) 21.cb4 Bb2 (21...cb4 22.Qb4 Qe7 23.Bg7 Kg7 24.Qd4 Kh6 25.Nc3+–) 22.Qb2 Kg8 23.bc5 Ne4 24.Nc3 (24.Qe5 Ra4+–) 24...Rb8 (24...Nc5 25.Qb5 Ne6 26.Nd5+–) 25.Qc2 Nd2 (25...Nc5 26.Rad1 Qf6 27.Nd5+–) 26.Rfd1 Nf3 27.gf3 Qg5 28.Kh2 Rf8 29.Ne4 Qe5 30.Ng3 Rf3 31.Qb3 Kg7 32.Rd7 Kh6 33.Rad1 Rf2 34.Kh1 Qg3 35.Rh7 Kh7 36.Rd7 Kh6 37.Qd5 Rf1 0–1. Tricky Rabbitt – aligarjon, chessworld.net, 2005.

3.e3 h6 4.Bc4 Nf6 5.Qb3 d5 6.Be2 Be7 7.a4 a6 8.b5 ab5 9.Bb5 c6 10.Be2 0–0 11.Ba3 Ba3 12.Na3 Nbd7 13.Nf3 Nc5 14.Qc2 Qc7 15.c4 dc4 16.Nc4 e4 17.Nfe5? (17.Nd4 Nd5 18.0–0 Qe7=) 17...Be6?? (17...b5 18.d4 ed3 19.Nd3 Nd3 20.Bd3 bc4 21.Bc4 Qa5 22.Qd2–+) 18.a5? (18.f4 b5 19.Nb2 Qd6–/+) 18...Bc4?? (better is 18...b5 19.Qc3 Nd5–+) 19.Nc4+= Nd3 (better is 19...b5 20.Nb2 Na4+=) 20.Bd3+/– ed3 21.Qd3 Rad8 22.Qf5 Rd5 23.Qf4 Qf4= 24.ef4 Rd4 25.Rc1 Rf4 26.0–0 Ra8 27.g3 Rd4 28.f3 Nd5 29.Rfe1 Nb4 30.Re7 Rb8 31.f4 Kf8 32.Rc7?? Na6–+ 33.Nb6 Nc7 34.Nc4 Ne6 35.Kg2 Nc5 36.Ne3 Nb3 37.Rb1 Nd2 38.Rb2 Ne4 39.a6 Rd2 40.Rd2 Nd2 41.ab7 Rb7 42.Kh3 g5 43.f5 h5 44.Nc2 Rb2 45.Nd4 c5 46.Nc6 Nf3 47.g4 h4 48.f6 Rh2 0–1. maddoxdb – donmod777, gameknot.com, 2012. (=1.c3 e5 2.b4 d6 3.e3 h6)

3.e4 b5 4.Bb5 Bd7 (4...c6 5.Ba4+/–) 5.Bd7 Qd7 (5...Nd7 6.Nf3+/–) 6.Nf3 (6.d3 a5+/–) 6...Nc6 (6...Qg4 7.0–0+/–) 7.Na3 (7.0–0 Nf6+–) 7...a6 (7...Qg4 8.d3 Qg2 9.Rg1+/–) 8.0–0+– a5 (8...Nf6 9.Re1+–) 9.Qa4 (9.b5 Nce7+–) 9...Nf6 (9...Nb4 10.Qd7 Kd7 11.cb4 ab4 12.Nc2+–) 10.b5 Nd8 (better is 10...Ne7+–) 11.c4 (better is 11.Re1!?+–) 11...Ne4+/– 12.Re1 (12.d4 Nc3 13.Qc2 ed4 14.Nd4 Be7+–) 12...Nc5 13.Qc2 (13.Qd1 Be7 14.d4 ed4 15.Bb2+/–) 13...f6 (13...Be7 14.Bb2+=) 14.d3 (14.d4 Nce6+/–) 14...Nce6 (14...Be7 15.Be3+/–) 15.d4 (15.Rb1 d5 16.d4 Bb4+/–) 15...Be7 16.c5 Nd4 17.Nd4 dc5? (17...ed4!? 18.c6 Qg4+/–) 18.Nf3 (18.Nf5 Ne6+–) 18...0–0 (18...Ne6 19.Qe4 0–0 20.Qc4+–) 19.Rd1 Qg4 20.h3 Qe6 21.Be3 Nb7 22.Rd2 (22.Nc4 Nd6 23.Nd6 cd6+–) 22...Bd6 (22...e4 23.Nh2+–) 23.Nc4 (23.Qe4 Rab8+–) 23...Rfd8 (23...e4 24.Ne1+– (24.Nd6?! cd6 25.Ne1 d5+/–)) 24.Rad1 (24.Qe4 Rab8+–) 24...Be7 (24...e4 25.Ne1+–) 25.Rd8 Rd8 26.Rd8 Bd8 27.a4 (27.a3 e4 28.Nfd2 f5+–) 27...e4 (27...c6 28.b6+–) 28.Nfd2 f5 29.Nb3 Be7 (29...c6 30.Nc5 Nc5 31.Bc5 cb5 32.ab5+–) 30.Bf4 (30.Nba5 Nd8+–) 30...Bd6 31.Bc1 g6 (31...Qd5 32.Bd2+–) 32.Bh6 Be7 33.Qc3 Qf6 34.Qd3?? ed3–+ 0–1. sburritt – sbderkach (1680), net–chess.com, 2006.

3.e4 Bd7 4.a4 f6 5.Bc4 Qe7 6.Bg8 (6.d3!?+=) 6...Rg8= 7.d4 ed4 8.Qd4 f5 9.f3 fe4 10.Qe4 Qe4 11.fe4 Bc6 12.Nd2 d5 (12...g5 13.Ngf3=) 13.ed5 (better is 13.b5!? Bd7 14.ed5+=) 13...Bd5= 14.Kf2 a5 15.c4 Bc6 16.b5 Bc5 17.Ke1?? (better is 17.Kf1 Rf8 18.Ngf3 Bf3 19.gf3=) 17...Bg2–+ 18.Nh3 Bh1 19.Nb3 b6 (19...Bb4!? 20.Bd2–+) 20.Bf4 (20.Nc5 bc5 21.Ng5 Nd7–+) 20...c6 (20...Bb4 21.Ke2 Bb7 22.Ng5–+) 21.Kd2 (21.Nc5 bc5 22.b6–+) 21...Bb4 22.Kd3 Nd7 (better is 22...Bg2 23.Ng5 cb5 24.cb5 Nd7 25.Nh7 Bd5–+) 23.Rh1 cb5 24.Ng5 h6 25.Nf3 g5 26.Re1 Be1 27.Be3 bc4 28.Kc4 Rf8 29.Ne1 Rc8 30.Kd3 Nf6 31.Bb6 Rb8 32.Bd4 Rd8 33.Na5 Ra8 34.Bc3 Kf7 35.Nc2 Rfd8 36.Kc4 Rdc8 37.Kb3 Ne4 38.Bb4 Rab8 39.Nc4 Ke6 40.N4e3 Ke5 41.Ng4 Kd5 42.Nce3 Kd4 43.Nf5 Kd3 44.Ngh6 Nd2 45.Ka3 Nb1 46.Kb3 Rc3 47.Ka2 Rb4 48.Ng4 Rg4 49.Kb1 Rc2 50.Ng3 Rb4 51.Ka1 Ra4 52.Kb1 Rh2 53.Nf5 Rg4 54.Ng3 Rg3 55.Kc1 Rg1# 0–1. dunk0104 – Mark72, chessworld.net, 2012.

3.e4 f5 4.d3 f4 (4...Nf6 5.ef5 Bf5 6.Nf3=) 5.Nf3 Nf6 6.Nbd2 Be7 7.Be2 0–0 8.Bb2 Be6 9.0–0 Nbd7 (9...a5 10.d4 ab4 11.Ng5+=) 10.Ng5+= Bf7 11.Nf7 Rf7 12.d4 a6 (12...d5 13.de5 Ne5 14.ed5 Qd5 15.Nf3 Nf3 16.Bf3 Qd1 17.Rad1+=) 13.d5 (13.Nf3 h6+/–) 13...c5 14.Bf3 c4 (14...a5!?+=) 15.Nc4+/– b5 16.Na3 g5 (16...Nb6 17.Qd3+/–) 17.Bc1 (17.c4 a5+–) 17...Rg7 (17...Rc8 18.Nb1+/–) 18.h3 (18.Qd3 Rc8+/–) 18...Kf7 (18...Rc8 19.Nb1+/–) 19.g3 (19.c4 bc4 20.Nc4 Qc7+–) 19...Qh8 (19...Qc8 20.Bd2+/–) 20.Bh5 (20.c4 bc4 21.Nc4 Rc8+–) 20...Nh5 (20...Kf8 21.Bg4+/–) 21.Qh5 Rg6 22.Kh2 (22.c4 bc4 23.Nc4 g4+/–) 22...Nf6 23.gf4?? (better is 23.Qe2+/–) 23...Nh5–+ 24.fg5 (24.f5 Rgg8 25.Rg1 Rac8–+) 24...Bg5 25.Bg5 Rg5 26.Nc2 Nf4 27.Ne3 Rag8 28.Ng4 h5 29.f3 hg4 30.fg4 Qh3 31.Kg1 Rg4 32.Kf2 Rg2 33.Ke1 Qc3 34.Kd1 Qd2# 0–1. Nexxus6 – carlosfandangos, chessworld.net, 2007.

3.Nf3 Nf6 4.e3 Be7 (4...e4 5.Nd4+=) 5.Be2 (5.d3 0–0+=) 5...0–0 (5...e4 6.Nd4+=) 6.0–0 (6.d3 a5+=) 6...b6 (6...e4 7.Ne1+=) 7.d3= Bb7 (7...c6 8.e4=) 8.h3 (8.e4 Nbd7=) 8...Nbd7+= 9.Nbd2 h6 (9...d5 10.Rb1+=) 10.Nb3 (10.Nc4 b5 11.Na5 Qb8+=) 10...Nh7 (10...c5 11.Bb2=) 11.Bd2 (11.a4 Nhf6=) 11...f5 (11...d5 12.Qc2=) 12.a4 Ng5 (12...c5 13.a5=) 13.c4 (13.Ng5 Bg5 14.a5 Bf6+=) 13...Nf3 14.Bf3 Bf3 (14...e4 15.Be2=) 15.Qf3+= (worse is 15.gf3 f4+=) 15...Bg5 Black prepares the advance f4 (15...e4 16.de4 Ne5 17.Qd1 fe4 18.Qc2=) 16.Qe2 (16.Qd5 Kh8+=) 16...f4 (16...e4 17.Bc3+=) 17.d4 (17.Qf3 fe3 18.Qd5 Kh8 19.fe3 Nf6+=) 17...fe3 (17...c5 18.dc5 dc5 19.ef4 Bf4 20.Rfd1=) 18.Be3 (18.fe3 Qe8+=) 18...Be3= 19.Qe3 (19.fe3 Qh4=) 19...ed4 (19...a5 20.ba5 ba5 21.Rae1=) 20.Qd4 (20.Nd4 Re8 21.Qf3 a5=) 20...Qf6 21.Qf6 Rf6 22.Nd4 (22.Rae1!?=) 22...Ne5+= 23.Rac1 (23.b5 Nc4 24.Rfe1 a6–/+) 23...Raf8 (23...Nd3 24.Rc2 Nb4 25.Re2–/+) 24.Nb5 (24.b5 Rf2 25.Rf2 Rf2 26.Kf2 Nd3 27.Ke2 Nc1 28.Kd2 Na2+–) 24...Nd3 (24...c6 25.Na7 R6f7 26.f4 Rf4 27.Rf4 Rf4 28.Nc8 Nc4 29.Ne7 Kf7 30.Nc6+=) 25.Rb1 Nf2 (better is 25...Rf4!? 26.Nc7 Rc4–/+ (worse is 26...Rf2 27.Rf2 Rf2 28.Rd1+=)) 26.Nc7+= Nd3 27.Rf6 Rf6 28.Nb5 a6 29.Nc7 Rf4 30.Na6 Rc4 31.Kf1 Kf7 32.Ke2 Nf4 33.Kf3 Ne6 34.Rb2 Nd4 35.Ke3 Nc6 36.Kd3 d5 37.a5 ba5 38.ba5 Na5 39.Nb4 Nc6 40.Nc6+= Rc6 41.Re2 Re6 42.Re6? Ke6–+ 43.Kd4 h5 44.g4 h4 45.Kd3 Ke5 46.Ke3 g5 47.Kd3 d4 48.Kd2 Ke4 49.Ke2 d3 50.Kd2 Kd4 51.Kd1 Ke3 52.Ke1 Kf3 53.Kd2 Kg3 54.Kd3 Kh3 55.Ke2 Kg4 56.Kf2 Kf4 57.Kg2 g4 58.Kh2 Kf3 59.Kh1 Kf2 60.Kh2 g3 61.Kh1 g2 0–1. kostaspetidis (2105) – tomy (2260), net–chess.com, 2006.

3.g3 Bf5 4.Bg2 c6 (4...d5 5.d3+=) 5.Nf3= Nf6 6.0–0 Be7 7.d3 0–0 8.a4 (8.e4 Bd7=) 8...Nbd7 9.Nbd2 (9.e4 Bg4+=) 9...a6 (9...d5 10.a5+=) 10.Nb3 (better is 10.e4 Be6 11.Ng5=) 10...b5 (better is 10...d5!?+=) 11.Na5+/– Qc7 (11...Nb8 12.ab5 ab5+/–) 12.ab5 (better is 12.Nh4!? Be6 13.Nc6+/–) 12...ab5= 13.Be3 (better is 13.Nc6 Qc6 14.Ra8 Ra8 15.Nd4 Qc3 16.Nf5+=) 13...e4?? (better is 13...d5+=) 14.Nd4+– Bg6 15.de4 (15.Nac6 Ne5 16.Ra8 Ra8 17.Ne7 Qe7+–) 15...Be4 (15...Ne5!? 16.Qc2 Rfc8+=) 16.Be4 (better is 16.Nac6 Ne5 17.Ne7 Qe7 18.Be4 (18.Nb5 Ra1 19.Qd6 Rf1 20.Bf1 Re8–/+) 18...Ne4 19.Ra8 Ra8 20.Nb5+/–) 16...d5?? (better is 16...Ne4 17.Nac6 Bf6+/–) 17.Bc2 (17.Ndc6 de4 18.Bf4 Qb6 19.Ne7 Kh8+–) 17...Ne4 (17...Ra6 18.Bf4 Qc8 19.Bf5+–) 18.Qd3 Ne5 19.Qd1 Nc3 20.Qd2 Bb4+= 21.Nab3 Nc4 22.Qd3+/– c5?? 23.Nf3 d4?? 24.Bf4 Qe7 25.Rfe1 Ra1?? 26.Ra1 Ne2?? 27.Kg2?? Nf4–/+ 28.gf4 g6 29.Ra6 Qd7 30.Kg3 Nd6 31.Nc1 Nf5–+ 32.Kg2 c4 33.Qe4 Nd6 34.Qd4?? Qg4 35.Kf1 Qf3 36.Qe3 Qh1 37.Ke2 Re8 38.Qe8 Ne8 39.Na2 Bc5 0–1. guerino (2100) – tomy (2260), net–chess.com, 2006.

3.g3 f6 4.Bg2 Bd7?? (4...d5 5.d4 e4 6.Nh3=) 5.e3?? (better is 5.Bb7 Nc6 6.Ba8 Qa8 7.f3+–) 5...Bc6 6.Bc6 (6.Nf3 a5=) 6...Nc6+= 7.Ne2 (7.d3 d5+=) 7...Qd7 (7...d5 8.d3+=) 8.0–0 (8.d3 0–0–0=) 8...0–0–0 (8...d5 9.d3+=) 9.a4 (9.f3 d5+=) 9...g5 (9...d5 10.d3+=) 10.a5 Qh3 (10...d5 11.d3+=) 11.d4 ed4 12.Nd4 Nd4 13.Qd4 c5 14.Qd5+/– Ne7 15.Qg2 Qh6?? 16.a6+/– ba6 17.Qa8 Kd7 18.Qa7 Ke8 19.Qa6 cb4 20.Qb5 Rd7?? 21.Ra8 Kf7 22.Qd7 bc3 23.Nc3 Qg6 24.Nd5 Qe4 25.Ne7 Be7 26.Rh8 Kg7 27.Re8 Qg6 28.Re7 Kh6 29.Qh3 Qh5 30.Rh7! Kh7 31.Qh5 Kg7 32.Rd1 Kf8 33.Qh7 d5 34.Rd5 Ke8 35.Rd7 Kf8 36.Qf7 1–0. tomy (2260) – sburritt, net–chess.com, 2006.

3.g3 Nf6 4.Bg2 c6 (4...d5 5.d3+=) 5.d3 (5.Nf3 e4 6.Ng5 d5+=) 5...a6 (5...a5 6.ba5 d5 7.Nf3+=) 6.Nf3= Ng4 (6...Be7 7.0–0=) 7.0–0 f5 (7...Be7 8.h3 Nf6 9.c4=) 8.a4 (better is 8.h3 Nf6 9.d4+=) 8...b5? (better is 8...Be7+=) 9.ab5+– cb5 (9...Bb7 10.bc6 Nc6+–) 10.Nbd2 (better is 10.Ne5!? d5 11.Ng4 fg4 12.Qb3+–) 10...Qc7 (10...Bb7 11.h3 Nf6 12.Qb3+=) 11.Bb2 (11.Ne5!? de5 12.Ba8 Qc3 13.Ba3+–) 11...Bb7 Black intends e4 (11...Nc6 12.Qb3+=) 12.Nb3 (12.Nh4 Bg2 13.Kg2+=) 12...h5 (12...Nc6 13.Nh4 Qf7 14.h3+=) 13.e3 (13.Na5 Bd5+/–) 13...e4 (13...Be7 14.Na5 Bd5 15.c4 bc4 16.dc4+/–) 14.de4 (14.Nfd4 Ne5 15.Nc1 h4 16.Nf5 ed3 17.Nd3 Bg2 18.Kg2 Qc6 19.f3 hg3 20.hg3 Nc4+=) 14...fe4+= 15.Ng5 (15.Nfd4 d5+=) 15...d5 16.Nc5 (16.Na5 Qe7 17.h4 Rh6+/–) 16...Nd7 (16...Bc5!? 17.Ne6 Qf7 18.Nc5 0–0=) 17.Nge6+/– Qb6 18.Nf8 Rf8+= 19.Nb7 Qb7= 20.h3 Ngf6 21.Qd4 g6 22.f3= ef3 23.Bf3 Attacks the isolani on d5 23...Qb6 24.Qd3 Kf7?? 25.Kg2?? Rfe8?? The isolani on e3 becomes a target 26.Rad1 Kg7 27.Bc1 Ne5= 28.Qe2 Nc4 The pressure on the isolated pawn grows 29.Rfe1 Rad8 30.Qf2 Ne4–/+ 31.Be4 de4 32.Qf4 Rd1 33.Rd1 Qe6 34.Rd4 Qf5 35.Qf5 gf5–/+ 36.Rd7 Kg6 37.Ra7 Re6 38.Kf2 Ne5 39.Ke2 Nd3 40.Bd2 Kg5 41.Kf1 h4 42.gh4 Kh4 43.Kg2 Rg6 44.Kh2 Ne5 45.Rh7 Kg5 46.Rh8?? Nf3–+ (46...Nf3 47.Kg3 Nd2 48.h4 Kf6 49.Kf2 Nc4–+) 0–1. kostaspetidis (2105) – sbderkach (1680), net–chess.com, 2006.

3.a4 Be7

4.d4 ed4 5.Qd4 Bf6 6.Qd3 Ne7 7.Nd2 Bf5 8.e4 Bg6 9.Qb5 (9.f4!? Nec6 10.f5=) 9...Nbc6+= 10.Ne2 0–0 11.Qb7 (11.Ra3!?–/+) 11...Rb8 12.Qa6 Rb6 (12...Bc3!? 13.Nc3 Nb4–/+) 13.Qd3–/+ Ne5 (better is 13...Nb4 14.Qb1 Nbc6–/+) 14.Qh3 a6? (better is 14...Nd5!+=) 15.f4 N5c6 16.a5 (better is 16.f5!? Nb4 A) 17.cb4?! Ba1 18.a5 Rb8= (18...Rb4? 19.fg6 Ng6 20.Qa3+–); B) 17.fg6 Ng6 B1) 18.cb4?! Ba1 19.a5 Rb8= (19...Rb4? 20.Qa3+–); B2) 18.Kf2+–) 16...Rb5+/– 17.f5 d5? (better is 17...Nf5 18.ef5 Rf5+/–) 18.fg6 fg6 (18...Ng6 19.Ra2+–) 19.Qe6 (better is 19.Nf4 Nb4 20.Ne6 Qe8 21.Bb5 Qb5 22.cb4 Ba1 23.Nf8 Kf8 24.Rf1 Ke8 25.ed5 Qd5+–) 19...Kh8 20.Nf4 (20.Ra3 de4 21.Nf4 Rf5 22.Ne4 Re5+–) 20...Rb7? (better is 20...Bc3 21.Ra3 Bd2 22.Bd2 Rb4 23.Bb4 Nb4+–) 21.Nd5 Nd5 22.Qc6 1–0. NN – COMP, 2003.

4.e4 Nf6 5.d3 c6 6.Nf3 Bg4 7.Be2 0–0 8.Na3 Nbd7 9.0–0 a6 10.h3 Bh5 11.Nc4 Qc7 12.Nh4 Be2 13.Qe2 b5 14.Nf5 bc4 15.Ne7 Kh8 16.dc4 g6 17.Qf3 (better is 17.b5 ab5 18.cb5 cb5 19.Qb5=) 17...Rae8?? (better is 17...Rfe8–/+) 18.Bh6+– Re7 19.Bf8 Nf8 20.Qf6 Kg8 21.Rad1 Re6 22.Qf3 Qe7 23.Qg4 Rf6 (23...a5+–) 24.Qc8 Kg7 25.Qc6 Ne6 26.Qa6 Ng5 (26...Nf4 27.Kh2+–) 27.Qc6 Rf4 (27...h6+–) 28.Rfe1 (better is 28.Qd6 Qd6 29.Rd6 Ne4 30.Rd3+–) 28...Nh3 29.gh3 Qg5 30.Kh1 (better is 30.Kf1 Qh4 31.Qb6 Qh3 32.Ke2 Qc3 33.Qc6+– (33.Qd6?? Re4 34.Kf1 Qh3 35.Kg1 Rg4)) 30...Rf2 31.Rg1 Qf4 32.Rg2 Qf3 33.Rdg1 Qh3 34.Rh2 Qh2 0–1. NN – COMP, 2003.

3.a4 Nf6

4.Nf3 Be6 5.d4 Nbd7 6.a5 Be7 7.a6 ba6 8.de5 de5 9.Ng5 0–0 (better is 9...Bf5!?+=) 10.Ne6+= fe6 11.Qb3 Nd5? (better is 11...c5!? 12.Qe6 Kh8=) 12.e4+/– (12.Ra6 Rb8 13.Qa2 Bh4+/–) 12...Nf4 13.g3 Ng6 14.Qe6 Kh8 15.Ba6 Rf6 16.Qg4 Nb6 17.Be3 Bd6? (better is 17...Rb8 18.0–0 Qf8+–) 18.Bg5 Qf8 19.Bf6 Qf6 20.Bb7 Rf8 21.0–0 (21.Ra7? Qf2 22.Kd1 Nc4–+) 21...Nc4 (21...c5 22.b5+–) 22.Qe2 (22.Ra7?! Ne3 23.Qe2 Nf1 24.Kf1 c5+–) 22...Qe6 (22...Nb6+–) 23.Bd5 Qh3 (23...Nf4 24.gf4 (24.Bc4?! Ne2 25.Be2 Qb3 26.Ra7 Qc2=) 24...Qg6 25.Kh1+–) 24.Bc4 (24.Qc4?! Nh4 25.gh4 Qg4 26.Kh1 Qf3 27.Kg1 Qg4 28.Kh1 Qf3 29.Kg1 Qg4=) 24...Be7 (24...c5 25.Rd1 Bb8 26.bc5+–) 25.Ra7 Bh4 (25...c5 26.b5+–) 26.Rc7 Bg5 27.Rd1 Bf4 28.Qf1 Qg4 (28...Qh5 29.Be2 Qg5 30.Rdd7+–) 29.Be2 Qg5 30.Qg2 1–0. orane (2165) – tepolov (2125), Live Game Caissa's Web, 2004.

4.Nf3 g6 5.d3= Bg7 6.e4 0–0 7.Be2 Bg4 8.0–0 Bf3 9.Bf3 Nc6 10.b5 Ne7 11.d4 ed4 12.cd4 Nh5 (12...c5 13.bc6 bc6 14.Be3+=) 13.Be3 a6 14.Nc3 ab5 15.ab5 Ra1 16.Qa1 Qa8 (16...f5 17.Bh5 gh5 18.Qa2 Kh8 19.f3+/–) 17.Qa8 Ra8 18.Rc1 Rf8 (18...Nf6 19.e5 de5 20.de5+/–) 19.Ne2 Rc8 (19...c6 20.bc6 bc6 21.Bh5 gh5 22.Bg5+/–) 20.g4 (20.e5 de5 21.Bb7 Rd8 22.Rc7 ed4 23.Re7 de3 24.fe3 Kf8+/–) 20...Nf6 21.g5 Ne8 22.Bg4 f5? (better is 22...Rd8+/–) 23.gf6!+– Rb8?? (23...Nf6 24.Be6 Double attack; 23...Bf6 24.Be6 Double attack) 24.fe7 Kf7 25.Nf4 Ke7 26.Nd5 Kf7 27.Nc7 Nc7 (27...Nf6 28.Be6 Ke7 29.e5+–) 28.Rc7 (28.Rc7 Kg8 29.Be6 Kh8 30.b6+–) 1–0. guest7976 – guest3371, ICC, 2005.

3.d3 Nf6

4.Bd2 a5 A) 5.b5 d5 (5...Be7 6.e4 a4 7.Nf3 0–0 8.Be2 d5 9.0–0 Qd6 10.ed5 Nd5=; 5...Be6 6.Nf3 Be7 7.e4 0–0 8.Be2 d5 9.0–0 de4 10.de4 Ne4+=) 6.Nf3 Bd6 7.Bg5 h6 8.Bh4 Nbd7 9.e3 0–0 10.Be2 c6+=; B) 5.Qa4 Bd7 (5...c6 6.b5 Bd7 7.c4 d5 8.Nf3 Bd6 9.Nc3 d4 10.Ne4 Ne4+=; 5...Nbd7 6.e4 Be7 7.Nf3 0–0 8.ba5 Nc5 9.Qc2 Bg4 10.Be3 Bf3+=) 6.b5 c6 7.c4 d5 8.Nf3 Bd6 9.cd5 cb5 10.Qb3 a4+=.

4.Bd2 d5 A) 5.Bg5 Be6 (5...Bd6 6.e3 h6 7.Bh4 a5 8.b5 0–0 9.Nd2 Bd7 10.Rb1 Re8+=; 5...a5 6.b5 h6 7.Bh4 Bd6 8.Nf3 Nbd7 9.e3 0–0 10.Be2 c6+=; 5...h6 6.Bh4 a5 7.b5 Bd6 8.Nf3 Nbd7 9.e3 c6 10.Bg3 0–0+=; 5...Nbd7 6.Nf3 h6 7.Bh4 Bd6 8.e3 a5 9.b5 0–0 10.Be2 c6+=; 5...Be7 6.Nf3 h6 7.Bh4 Nbd7 8.Nbd2 a5 9.b5 e4 10.de4 de4+=) 6.Nf3 h6 7.Bh4 a5 8.Ne5 ab4 9.e3 bc3 10.Qb3 g5+=; B) 5.d4 Nbd7 (5...ed4 6.cd4 Bd6 7.e3 Bf5 8.Ne2 0–0 9.Ng3 Bg4 10.Qb3 Qe7+=; 5...e4 6.Bf4 Be7 7.e3 0–0 8.Be2 a5 9.b5 Be6 10.Nd2 Nbd7+=) 6.Bg5 a5 7.de5 Ne5 8.b5 Be7 9.e3 Bf5 10.Be2 h6–/+; C) 5.Qc2 Bf5 (5...Be6 6.e4 a5 7.b5 Bc5 8.Nf3 de4 9.Ne5 Bd6 10.d4 0–0=; 5...a5 6.b5 Bd6 7.e4 0–0 8.c4 c6 9.Nf3 Qb6 10.Be2 Bg4+=; 5...Bd6 6.e4 0–0 7.Nf3 a5 8.ba5 Nbd7 9.ed5 Nd5 10.Be2 Ra5+=; 5...Nbd7 6.Nf3 Bd6 7.e4 0–0 8.Be2 a5 9.0–0 ab4 10.cb4 Qe7+=) 6.Nf3 Bd6 7.Bg5 h6 8.Bh4 a5 9.b5 g5 10.Bg3 Nbd7+=; D) 5.Nf3+= Bd6 (5...Nbd7 6.Bg5 h6 7.Bh4 Bd6 8.e3 a5 9.b5 0–0 10.Be2 c6+=) 6.Bg5 h6 7.Bh4 0–0 8.e3 a5 9.b5 Bd7 10.d4 e4+=.

4.Bd2 Be6 5.e3 (5.Nf3 Be7+= 6.Ng5 Bd7 7.e4 a5 8.ba5 0–0 9.Qb3 Bc6 10.Nf3 Nbd7+=; 5.e4 a5 6.b5 d5 7.Nf3 de4 8.Ne5 Bd6 9.d4 Be5 10.de5 Nfd7=) 5...Nbd7 (5...Be7 6.Nf3 0–0 7.Be2 a5 8.b5 c6 9.c4 cb5 10.cb5 Nbd7+=; 5...d5 6.Nf3 Bd6 7.c4 Nbd7 8.c5 Be7 9.Be2 a5 10.d4 ab4+=) 6.a3 (6.Nf3 d5+= 7.Be2 Bd6 8.c4 dc4 9.dc4 c5 10.Ng5 Bf5–/+) 6...Be7 7.Qc2 (7.Nf3 d5+= 8.Be2 a5 9.b5 0–0 10.0–0 c6+=) 7...0–0 (7...d5 8.Nf3+= Bd6 9.Be2 a5 10.0–0 0–0+=; 7...a5 8.Nf3 0–0 9.Be2 ab4 10.cb4 Re8+=) 8.c4 (8.Nf3 d5+= (8...a5 9.Be2 ab4 10.cb4 c5+=) 9.Be2 Bg4 10.0–0 e4+=) 8...Re8 (8...d5 9.cd5 (9.Nf3+= c5 10.Be2 dc4–/+) 9...Nd5 10.Nf3 c5+=; 8...a5 9.ba5 Nc5 10.Nf3 e4+=) 9.Nc3 (9.Nf3 d5+= (9...a5 10.ba5 Nc5+=) 10.Ng5 Bg4+=) 9...b6 (9...c6 10.Nf3+= a5+=; 9...d5 10.cd5 Nd5+=) 10.g3 (10.Nf3 c6+= (10...c5+=)) 10...Rc8 (10...c6 11.Bh3+=) 11.Bg2 c6 12.Nge2 (12.Nf3 h6+=) 12...d5 13.cd5 cd5 14.Qb2 Bf8 (14...d4 15.Nb5 a6 16.Na7+=) 15.0–0= g6 (15...Bg4 16.Qb3+=) 16.Nb5 (16.Rac1 a6=) 16...a6+= 17.Nbc3 Bg7 18.Rac1 Qe7 19.Qb1 Qf8 (19...Qd6 20.f4+=) 20.f4= a5 (20...Qd6!?=) 21.fe5+= Ne5 22.Nf4 Increasing the pressure on the isolated pawn on d5 22...ab4 (22...Red8 23.Nb5 Rc1 24.Rc1 ab4 25.Bb4+/–) 23.ab4 (23.Ncd5!? Rc1 A) 24.Bc1 A1) worse is 24...ba3 25.Nc7+/– (worse is 25.Nb6 a2 26.Qa1 Qd6–/+); A2) 24...Nd5 25.Bd5 Bd5 26.Nd5 ba3+=; B) 24.Qc1 Nd5 25.Ne6+=) 23...Qd6= 24.Nb5 Qd7 25.Nd4 Rc1 (25...g5 26.Nfe6 fe6 27.b5=) 26.Rc1+= Rc8 (26...g5 27.Nfe6 fe6 28.b5=) 27.Rc8 Qc8 28.Nde6 (28.Qa2 Bh6+=) 28...fe6= 29.Bh3 (29.Qc1!? Qc1 30.Bc1=) 29...Nf3+= 30.Kf2 (30.Kg2 Nd2 31.Qb2 Nfe4+=) 30...Nd2–/+ 31.Be6?? (better is 31.Qa2 Nde4! 32.de4 Ne4 33.Kg2+=) 31...Qe6!–+ 32.Qc2 (32.Ne6 Ng4 Double attack) 32...Ng4 33.Ke2 Qe3 0–1. Cvetkovic,Milosav – Nestorovic,Lazar, Spring Open, Belgrade YUG, 2003.

4.Bd2 Be7 A) 5.Nf3 0–0 (5...a5 6.b5 0–0 7.e4 d5 8.Qc2 Qd6 9.Be2 Nbd7 10.ed5 Qd5+=; 5...Be6 6.Ng5 Bd7 7.e4 0–0 8.Be2 a5 9.ba5 d5 10.0–0 Nc6+=; 5...Nbd7 6.e4 0–0 7.Be2 a5 8.b5 d5 9.ed5 Nd5 10.0–0 Re8=; 5...e4 6.de4 Ne4 7.e3 0–0 8.Bd3 d5 9.Qc2 Bf5 10.0–0 a5=; 5...Bg4 6.e4 a5 7.b5 a4 8.Be2 0–0 9.0–0 Nbd7 10.Ng5 Be2=) 6.e4 a5 7.b5 d5 8.Ne5 Bd6 9.f4 Re8 10.Be3 Nbd7+=; B) 5.e4 Nbd7 (5...0–0 6.Nf3 a5 7.b5 a4 8.Be2 d5 9.0–0 Qd6 10.ed5 Nd5=) 6.Qf3 a5 7.b5 Nc5 8.Be2 0–0 9.Qg3 d5 10.Bh6 Ne6+=.

4.Nd2 A) 4...d5 A1) 5.Ngf3 Bd6 (5...a5 6.b5 Bd6 7.e4 0–0 8.Be2 Nbd7 9.Qc2 a4 10.0–0 c6=) 6.e4 0–0 7.Be2 a5 8.b5 c6 9.c4 Nbd7 10.0–0 a4=; A2) 5.a3 Be6 (5...a5 6.b5 Bd6 7.e4 0–0 8.Ngf3 Nbd7 9.ed5 Nd5 10.Ne4 N7f6+=; 5...Bd6 6.e4 a5 7.b5 0–0 8.Ngf3 Nbd7 9.Qc2 Nc5 10.ed5 Nd5+=; 5...Be7 6.Ngf3 Nbd7 7.e4 0–0 8.Be2 c6 9.c4 d4 10.0–0 a5=) 6.Ngf3 a5 7.ba5 Bd6 8.Qb3 Ra7 9.Ng5 Bd7 10.c4 Nc6+=; A3) 5.Qc2 a5 (5...Bd6 6.e4 0–0 7.Ngf3 a5 8.b5 Be6 9.Be2 c6 10.Rb1 Qb6=; 5...Be6 6.Ngf3 Bd6 7.e4 0–0 8.Be2 a5 9.ba5 Ra5 10.0–0 Nc6+=; 5...c5 6.a3 Bd6 7.e4 0–0 8.Ngf3 cb4 9.ab4 Be6 10.ed5 Nd5+=; 5...Be7 6.Ngf3 Nbd7 7.e4 0–0 8.Be2 c5 9.bc5 de4 10.Ne4 Ne4=) 6.ba5 Bd6 7.e4 0–0 8.Ngf3 Ra5 9.Be2 Bd7 10.0–0 Ba4+=; A4) 5.e4 d4 6.Nc4 dc3 7.Ne5 Qd4 8.Ngf3 Qb4 9.Qc2 Be7 10.a3 Qa5=; B) 4...a5 B1) 5.ba5 Be7 (5...Nbd7 6.Ngf3 d5 7.e4 c6 8.ed5 Nd5 9.Bb2 Qa5 10.Nc4 Qc7+=; 5...Nc6 6.Ngf3 d5 7.e4 Ra5 8.Be2 Be7 9.0–0 0–0 10.Qc2 Qd6+=; 5...d5 6.e4 Ra5 7.Ngf3 Nc6 8.Be2 Be7 9.0–0 0–0 10.Qc2 Qd6+=; 5...Ra5 6.Ngf3 Nc6 7.Nc4 Ra6 8.e4 Be6 9.Qc2 Be7 10.Be2 0–0+=; 5...Be6 6.Ngf3 Nc6 7.Ng5 Bc8 8.e4 Be7 9.a6 ba6 10.Rb1 0–0=) 6.Ngf3 0–0 7.e4 Ra5 8.Be2 Nc6 9.d4 d5 10.Ne5 Ne5+=; B2) 5.Qa4 c6 (5...Bd7 6.b5 d5 7.Ngf3 Bd6 8.Ba3 Bg4 9.d4 Nbd7 10.e3 Nb6+=) 6.b5 Bd7 7.bc6 Bc6 8.Qh4 Nbd7 9.Qg3 Nh5 10.Qg4 Ndf6+=; B3) 5.b5 Bd7 (5...d5 6.Ngf3 Bd6 7.e4 0–0 8.Be2 Nbd7 9.Qc2 a4 10.0–0 c6=) 6.Rb1 Be6 7.Qa4 d5 8.Ngf3 Nbd7 9.e4 Bd6 10.Be2 Nc5+=.

4.e4 A) 4...d5 A1) 5.Nf3 Nc6 (5...a5 6.b5 de4 7.Ne5 Be6 8.Nd2 Bd6 9.d4 Nbd7 10.Nd7 Bd7=; 5...de4 6.Ne5 Be6 7.Bf4 Nd5 8.Bg3 e3 9.d4 Nd7 10.Qf3 Ne5=) 6.Be2 de4 7.de4 Qd1 8.Bd1 Ne4 9.b5 Na5 10.Ne5 Bd6+=; A2) 5.ed5 Qd5 6.Nf3 Bd6 7.Nbd2 a5 8.ba5 0–0 9.Nc4 Nc6 10.Bg5 Na5=; B) 4...Be7 B1) 5.Be2 0–0 (5...a5 6.b5 Qd7 7.Qa4 c6 8.Na3 0–0 9.Nf3 Qe8 10.0–0 d5=; 5...c5 6.a3 0–0 7.Nf3 Qc7 8.0–0 d5 9.ed5 cb4 10.ab4 Nd5=; 5...d5 6.Nf3 a5 7.b5 de4 8.Ne5 Be6 9.0–0 Bd6 10.d4 0–0=) 6.Nf3 a5 7.b5 c6 8.Qa4 Bd7 9.bc6 Bc6 10.Qd1 Nbd7=; B2) 5.Nd2 0–0 (5...Be6 6.Ngf3 0–0 7.d4 a5 8.d5 Bg4 9.h3 Bh5 10.Qc2 ab4=; 5...Nbd7 6.Ngf3 a5 7.b5 0–0 8.Be2 a4 9.0–0 d5 10.Re1 c6=) 6.Ngf3 Nbd7 7.Be2 c6 8.0–0 a5 9.ba5 Qa5 10.Nb3 Qc7+=; B3) 5.Nf3 a5 (5...0–0 6.Be2 a5 7.b5 Qd7 8.Qa4 c6 9.Na3 Qc7 10.Nc4 Nbd7=; 5...Nbd7 6.Be2 0–0 7.0–0 d5 8.d4 de4 9.Ne5 a5 10.b5 Re8=) 6.Qa4 Nbd7 7.Be2 0–0 8.0–0 d5 9.b5 Nc5 10.Qc2 Re8=; C) 4...a5 5.b5 Be7 (5...Bd7 6.a4 Be7 7.Nf3 0–0 8.Be2 c6 9.bc6 Nc6 10.0–0 d5=; 5...d5 6.Nf3 de4 7.Ne5 Bd6 8.Nc4 Be7 9.Be2 0–0 10.0–0 Re8=) 6.Nf3 0–0 7.Be2 c6 8.Na3 d5 9.0–0 Re8 10.Qc2 Ba3+=.

4.Nf3 A) 4...Be6 A1) 5.Ng5 Bg4 (5...Bd7 6.e4 Be7 7.Be2 d5 8.0–0 a5 9.Nf3 ab4 10.Ne5 0–0=) 6.h3 Bh5 7.Nf3 Be7 8.g4 Bg6 9.Bg2 c6 10.Nh4 0–0=; A2) 5.e4 d5 (5...Be7 6.Be2 a5 7.b5 0–0 8.0–0 c6 9.Na3 d5 10.Ng5 Bd7=; 5...a5 6.b5 d5 7.Ne5 de4 8.Nd2 Bd6 9.d4 Nbd7 10.Nd7 Bd7=; 5...Nc6 6.Be2 d5 7.b5 Ne7 8.0–0 de4 9.de4 Qd1 10.Rd1 Ne4=) 6.Ng5 Bc8 7.ed5 Be7 8.Qa4 Qd7 9.Qd7 Nbd7 10.Be2 Nd5=; B) 4...Bg4 5.e4 d5 (5...a5 6.b5 Qd7 7.a4 Be7 8.Be2 0–0 9.0–0 c6 10.Na3 Bf3=; 5...Nc6 6.Be2 Be7 7.0–0 a6 8.d4 Ne4 9.d5 Nb8 10.Ne5 Be2=; 5...Be7 6.Be2 a5 7.b5 0–0 8.0–0 Nbd7 9.h3 Bf3 10.Bf3 c6=) 6.Be2 Bd6 7.ed5 Nd5 8.d4 e4 9.Ng5 Bf5 10.Bc4 Be7=; C) 4...Nbd7 5.e4 a5 (5...Be7 6.Be2 a5 7.b5 0–0 8.0–0 d5 9.ed5 Nd5 10.c4 N5f6=) 6.b5 Be7 7.Be2 0–0 8.0–0 d5 9.ed5 Nd5 10.c4 N5f6=; D) 4...Be7+= D1) 5.Nbd2 Be6 (5...a5 6.b5 Bd7 7.a4 0–0 8.e4 Ra7 9.Be2 c6 10.c4 Qb6=; 5...0–0 6.e4 a5 7.b5 a4 8.Qc2 Re8 9.Be2 Bg4 10.h3 Be6=; 5...Qd7 6.e4 Qc6 7.Qc2 Bg4 8.h3 Bh5 9.g4 Bg6 10.Nh4 0–0=; 5...Nd5 6.Qc2 0–0 7.e4 Nf4 8.Nb3 Bg4 9.Bf4 Bf3 10.Be3 Bg4=; 5...Bg4 6.e4 0–0 7.Be2 Nbd7 8.h3 Bf3 9.Bf3 c6 10.Rb1 Qc7=) 6.e4 a5 7.ba5 0–0 8.Be2 Ra5 9.Ng5 Bd7 10.Nc4 Ra8=; D2) 5.e4 0–0 (5...a5 6.b5 Nbd7 7.Be2 0–0 8.0–0 a4 9.c4 Nc5 10.Nc3 Be6=; 5...Nbd7 6.Be2 0–0 7.0–0 d5 8.d4 de4 9.Ne5 a5 10.b5 Re8=) 6.Be2 a5 7.b5 c6 8.Qa4 Bd7 9.bc6 Bc6 10.Qd1 Nbd7=.

3.d4 Nc6

4.b5 A) 4...Nb8 5.de5 Nd7 6.ed6 Bd6 7.Ba3 Ba3 8.Na3 Ngf6 9.e3 Qe7 10.Nc2+=; B) 4...Na5 5.de5 (5.e4 Nf6 6.de5 de5 7.Qd8 Kd8 8.Bd3 Bd6 9.Nf3 Bg4 10.Nbd2=) 5...Be6 6.Bf4 Nc4 7.ed6 Bd6 8.Bd6 Nd6 9.e3 Nf6 10.Nf3+=; C) 4...Nce7 5.de5 de5 6.Qd8 Kd8 7.Nf3 f6 8.e4 Be6 9.Nbd2 g5 10.Bc4+=.

4.d5 A) 4...Nb8 5.Nd2 (5.e4 Nf6 6.Bd3 Be7 7.Nf3 0–0 8.0–0 a5 9.Nbd2 ab4 10.cb4+=) 5...Nf6 6.e4 Be7 7.Ngf3 a5 8.Be2 ab4 9.cb4 Nbd7 10.0–0+=; B) 4...Nce7 5.f3 (5.e4 f5 6.ef5 Nf6 7.Bc4 Bf5 8.Nf3 Be4 9.Bb5 c6 10.dc6=) 5...f5 6.e4 Nf6 7.Bd3 Bd7 8.Ne2 a5 9.b5 fe4 10.fe4=.

4.Be3 Bf5 (4...Nf6 5.de5 (5.Bg5 e4 6.d5 Ne5 7.Nd2 e3 8.fe3 Be7 9.Ndf3 Ne4 10.Be7+=; 5.b5 Na5 6.de5 Ng4 7.Bf4 Ne5 8.Be5 de5 9.Qd8 Kd8 10.e3+=) 5...Ng4 6.Bc1 Be6 7.e4 de5 8.Qc2 a6 9.Nf3 Bd6 10.Ng5=; 4...ed4 5.cd4 a6 6.a3 Be7 7.Nc3 Bf5 8.Nf3 Nf6 9.d5 Ne5 10.Bd4=; 4...e4 5.Nd2 (5.b5 Nce7 6.Bg5 h6 7.Bf4 Ng6 8.Bg3 Nf6 9.e3 Be7 10.Nd2+=; 5.d5 Ne5 6.Nd2 Nf6 7.Bg5 e3 8.fe3 Be7 9.Ndf3 Ne4 10.Be7+=) 5...d5 6.Bf4 Nf6 7.e3 Be7 8.b5 Na5 9.Qa4 c5 10.dc5=) 5.Nf3 (5.d5 Nce7 6.Nf3 Nf6 7.c4 c6 8.dc6 bc6 9.a3 a5 10.b5+=; 5.de5 de5 6.Qd8 Rd8 7.b5 Nce7 8.c4 Ng6 9.Nd2 Bb4 10.Ngf3–/+) 5...Qe7 (5...Nf6 6.de5 Ne5 7.Bd4 a5 8.b5 Nf3 9.ef3 d5 10.Be2=) 6.Nbd2 (6.d5 Nd8 7.Bg5 f6 8.Bd2 c6 9.c4 cd5 10.cd5=) 6...0–0–0 (6...ed4 7.Nd4 Nd4 8.Bd4= c5 9.Be3 b6 10.Bf4=) 7.g3 (7.d5 Nb8 8.Ba7 Nf6+/– 9.Qb3 Re8 10.e3+/–) 7...b6 (7...Nf6 8.b5 ed4 9.Nd4 Nd4 10.Bd4=) 8.Bg2 (8.Qa4 Qe8 9.d5 Nce7 10.Qa7+/–) 8...g6 (better is 8...ed4 9.Nd4 Nd4 10.cd4 d5+=) 9.0–0 (better is 9.Qa4!? A) 9...ed4 10.Bd4+– 1.59 (10.Nd4 Nd4 11.Bd4+–); B) 9...Nb8 10.Qa7+–) 9...ed4 1–0. Morales Guerrero,AF – Estevez Ramirez,GM, Santander COL, Open, 2011. (=1.d4 d6 2.b4 e5 3.c3 Nc6)

4.e4 A) 4...ed4 5.b5 Nce7 6.cd4 d5 7.e5 Bf5 8.Nf3 c6 9.Be2 Rc8 10.0–0+=; B) 4...Nf6 5.d5 (5.b5 Ne7 6.Bd3 d5 7.de5 Ne4 8.Nf3 Bg4 9.h3 Bf3 10.Qf3=; 5.f3 Be7 6.b5 Na5 7.Bd3 0–0 8.Ne2 c6 9.bc6 bc6 10.0–0=; 5.Bg5 Be7 6.Bf6 Bf6 7.Bb5 0–0 8.Bc6 bc6 9.Nf3 ed4 10.Nd4+=) 5...Nb8 6.Bd3 Be7 7.Nf3 0–0 8.0–0 a5 9.b5 Nbd7 10.Qc2=; C) 4...Qh4 5.Qd3 (5.Bd3 ed4 6.b5 Ne5 7.cd4 Nd3 8.Qd3 Qg4 9.Qf3 Nf6 10.Nc3=; 5.Qc2 ed4 6.Nf3 Qf6 7.b5 Ne5 8.Nd4 Qh4 9.Nd2 Nf6 10.Be2=; 5.Qe2 ed4 6.b5 Bg4 7.Qc2 d3 8.Qd3 Ne5 9.Qd5 Bc8 10.Nf3+=) 5...ed4 6.Nf3 Qe7 7.Nd4 Bd7 8.Nd2 Nf6 9.Be2 d5 10.ed5=; D) 4...f5 5.ef5 (5.b5 Nce7 6.de5 fe4 7.ed6 Qd6 8.Qd6 cd6 9.Ne2 d5 10.c4=; 5.d5 Nce7 6.ef5 Nf6 7.Bc4 Bf5 8.Nf3 Be4 9.Bb5 c6 10.dc6=; 5.Qh5 g6 6.Qe2 fe4 7.b5 Nce7 8.de5 d5 9.c4 c6 10.Nd2=) 5...Bf5 6.Qe2 Qf6 7.d5 Nd8 8.Nf3 Ne7 9.Qb5 c6 10.dc6=.

3.d4 e4

4.a3 A) 4...Be7 5.Bf4 (5.c4 Nf6 6.Nc3 Bf5 7.Qa4 c6 8.Bf4 0–0 9.e3 Nbd7 10.Qc2+=; 5.Qc2 Nf6 6.Bg5 d5 7.c4 Be6 8.e3 c6 9.Ne2 a5 10.b5=; 5.d5 Nf6 6.Bf4 0–0 7.e3 a5 8.Be2 Nbd7 9.b5 Nc5 10.Ra2+=) 5...Nf6 6.e3 0–0 7.Nd2 a5 8.b5 Bf5 9.Qc2 Bg6 10.Ne2=; B) 4...d5 5.Bf4 (5.Qc2 Nf6 6.Bf4 a5 7.b5 Nbd7 8.Nd2 Nh5 9.Be3 Nb6 10.c4=; 5.Qb3 Nf6 6.Bg5 Be7 7.e3 a5 8.Bf6 Bf6 9.c4 ab4 10.cd5+=; 5.Qa4 Bd7 6.Qb3 Be6 7.Bf4 Nf6 8.e3 Nbd7 9.c4 Bd6 10.Bd6=) 5...Nf6 6.e3 Be7 7.c4 Be6 8.Qc2 a5 9.b5 dc4 10.Bc4=; C) 4...Nd7 5.Qc2 (5.c4 Ngf6 6.Nc3 a5 7.b5 Nb6 8.Bg5 e3 9.Be3 Nc4 10.Bg5=; 5.Nd2 Ngf6 6.c4 Nb6 7.Qc2 Bf5 8.e3 a5 9.b5 a4 10.Ne2=; 5.Bf4 Ngf6 6.e3 Be7 7.Nd2 a5 8.Ne2 ab4 9.ab4 Ra1 10.Qa1=) 5...Ngf6 6.c4 a5 7.b5 Nb6 8.Bg5 Bf5 9.e3 h6 10.Bf6=; D) 4...Nf6 5.Bg5 (5.Qc2 d5 6.Bf4 a5 7.b5 Nbd7 8.Nd2 Nh5 9.Be3 Nb6 10.c4=; 5.c4 Be7 6.Nc3 Bf5 7.Qa4 c6 8.Bf4 Nh5 9.Bd2 Nd7 10.Qc2+=; 5.d5 Nbd7 6.e3 Be7 7.Bb2 0–0 8.c4 Ne5 9.Be2 Bf5 10.Nd2+=) 5...Be7 6.Qc2 d5 7.c4 Be6 8.e3 c6 9.Ne2 a5 10.b5=.

4.c4 A) 4...Nf6 5.b5 (5.Bg5 d5 6.Qa4 c6 7.c5 Be7 8.e3 0–0 9.b5 Qd7 10.Nc3=; 5.a3 Be7 6.Bg5 0–0 7.e3 Nbd7 8.Nc3 a5 9.b5 c6 10.bc6=; 5.Nc3 d5 6.c5 Be7 7.Qa4 Bd7 8.b5 c6 9.e3 0–0 10.Rb1+=) 5...Be7 6.Nc3 a6 7.ba6 Ra6 8.Bg5 Bf5 9.e3 Nbd7 10.Nge2=; B) 4...Be7 5.Qc2 (5.a3 Nf6 6.Nc3 Bf5 7.Qa4 Qd7 8.Qd7 Nbd7 9.Nb5 Kd8 10.Bf4+=; 5.Bf4 Nf6 6.e3 0–0 7.Nc3 Bf5 8.Nge2 d5 9.c5 Bg4 10.h3=; 5.Nc3 Nf6 6.Bg5 Bf5 7.e3 Nbd7 8.Nge2 h6 9.Bf6 Nf6 10.Ng3=) 5...Nc6 6.Bb2 d5 7.a3 e3 8.fe3 dc4 9.Qc4 Nf6 10.e4=; C) 4...Bf5 5.Nc3 (5.Qa4 c6 6.Nc3 Be7 7.Bf4 Nf6 8.e3 Nbd7 9.c5 dc5 10.bc5=; 5.a3 Nf6 6.Nc3 Be7 7.Qa4 c6 8.Bf4 Nh5 9.Bd2 Nd7 10.Qc2+=; 5.Bf4 Nf6 6.e3 Be7 7.Ne2 0–0 8.Ng3 Bg6 9.Be2 c5 10.Qd2=) 5...Nf6 6.Bg5 Be7 7.e3 Nbd7 8.Nge2 h6 9.Bf6 Nf6 10.Ng3=; D) 4...d5 5.c5 (5.Qa4 Bd7 6.b5 dc4 7.Nc3 c6 8.Qc4 cb5 9.Nb5 Na6 10.Bd2+=) 5...Nf6 6.Bf4 Be7 7.e3 0–0 8.Be2 b6 9.Nd2 Bd7 10.Rc1=.

4.d5 A) 4...Be7 5.Bb2 (5.Bf4 Nf6 6.e3 0–0 7.Ne2 a5 8.f3 Re8 9.b5 Nbd7 10.Ng3+=; 5.e3 Nf6 6.Bb2 0–0 7.Be2 a5 8.a3 ab4 9.cb4 Nbd7 10.Nc3+=; 5.a3 Nf6 6.Bf4 0–0 7.e3 Nbd7 8.c4 a5 9.Nc3 Ne5 10.b5+=) 5...Nf6 6.c4 0–0 7.e3 a5 8.a3 Nbd7 9.Nd2 Ne5 10.Qc2+=; B) 4...Nd7 5.Qd4 (5.Bf4 Ngf6 6.Qd4 Nb6 7.c4 Be7 8.Nd2 Bf5 9.g4 Bg4 10.Ne4+=; 5.a4 Ngf6 6.a5 Be7 7.a6 Nb6 8.Ra5 c5 9.dc6 bc6 10.Qd4–/+; 5.Nd2 Ngf6 6.c4 Be7 7.Qc2 a5 8.b5 Nc5 9.Ba3 Bf5 10.Bc5+=) 5...Ngf6 6.Nd2 Nb6 7.Ne4 Nbd5 8.Nf6 Qf6 9.Bd2 Qe6 10.Nf3=; C) 4...Nf6 5.Bb2 (5.Bg5 Be7 6.e3 0–0 7.Nd2 Nd5 8.Ne4 Nb4 9.Be7 Qe7 10.Nd6+=; 5.Be3 Be7 6.Bd4 0–0 7.Qb3 c5 8.Bf6 Bf6 9.Nd2 Re8 10.e3+=; 5.Bf4 Be7 6.e3 0–0 7.Ne2 a5 8.f3 Nbd7 9.Qd4 Nb6 10.fe4–/+) 5...Be7 6.c4 0–0 7.e3 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1+=.

4.Bf4 A) 4...Nf6 5.a3 (5.d5 Be7 6.e3 0–0 7.Ne2 a5 8.f3 Re8 9.b5 Nbd7 10.Ng3+=; 5.Qc2 Be7 6.e3 0–0 7.Nd2 d5 8.f3 Bf5 9.fe4 Ne4 10.Bd3+=; 5.e3 Be7 6.Nd2 0–0 7.Rb1 a5 8.Qa4 Bd7 9.b5 Be6 10.c4+=) 5...Be7 6.e3 0–0 7.Nd2 a5 8.b5 Bf5 9.Qc2 Bg6 10.Ne2=; B) 4...Bd7 5.e3 (5.Nd2 Nf6 6.e3 Be7 7.c4 0–0 8.Qc2 Bf5 9.Ne2 d5 10.Ng3=; 5.Qc2 Nf6 6.Nd2 d5 7.Nb3 Be7 8.Nc5 Bc5 9.bc5 b6 10.c4=; 5.Na3 Nf6 6.e3 Be7 7.Nc4 b5 8.Na5 c6 9.a4 0–0 10.Nb7=) 5...Nf6 6.Nd2 Be7 7.c4 0–0 8.Qc2 Bf5 9.Ne2 d5 10.Ng3=; C) 4...Nd7 5.e3 (5.Nd2 Ngf6 6.e3 d5 7.a3 Be7 8.c4 0–0 9.Qc2 a5 10.b5=; 5.Qc2 Ngf6 6.a3 Qe7 7.e3 Nd5 8.Bg3 a5 9.b5 N5f6 10.Nd2=; 5.c4 Ngf6 6.Nc3 a5 7.b5 Nb6 8.e3 h6 9.Qc2 Bf5 10.f3=) 5...Ngf6 6.Nd2 Be7 7.Ne2 d5 8.Ng3 Nf8 9.Bg5 Ne6 10.Bf6=; D) 4...Be7 5.Nd2 (5.e3 Nf6 6.Nd2 0–0 7.Rb1 a5 8.Qa4 Nbd7 9.ba5 c6 10.a6+=; 5.Qc2 Nf6 6.Nd2 d5 7.e3 0–0 8.Be2 Be6 9.Rb1 Re8 10.a3+=; 5.d5 Nf6 6.e3 0–0 7.Be2 a5 8.a3 Nbd7 9.b5 Nc5 10.Ra2+=) 5...Nf6 6.e3 0–0 7.Rb1 Be6 8.Qc2 d5 9.c4 Re8 10.a3=.

3.e3 a6

4.a4 a5 5.Bc4 d5 6.Bb5 c6 7.Be2 e4 8.Bg4? (8.b5 Qg5 9.g3 Nf6+=) 8...f5 9.Be2 Nf6 (better is 9...ab4!? 10.Nh3 Nf6–/+) 10.b5+= b6 11.Qb3 c5 12.Ba3 c4 13.Bc4? (better is 13.Qd1+=) 13...Be6?? (better is 13...dc4 14.Qc4 Ra7–+) 14.Be2+= Nbd7 15.Bf8 Nf8 16.Nh3 d4 17.Bc4 Bc4 18.Qc4 d3 19.Nf4 Qc8 20.Qc7?? (better is 20.Qd4 Qc5 21.Qc5 bc5 22.Na3+/–) 20...Qc7–+ 21.0–0 g5 22.Nh3 Ng4 23.g3 Qg7 24.Na3 Rc8 25.c4 (25.f3 Ne5 26.fe4 fe4–+) 25...Ne6 26.f3 Nh6 (26...ef3!? 27.Nf2–+) 27.f4 g4 28.Nf2 Nc5 29.Ra2 Nb3 (29...Na4 30.Rfa1–+) 30.Nd1 (30.Rb1 Nd2! 31.Rd2 Qc3–+) 30...Nf7 31.Nc3 (31.Nf2 Qf8 32.Rd1 Qb4–+) 31...Nd6 32.Nd5 Qf7 (better is 32...Nc4 33.Nc4 Rc4 34.Nc3–+) 33.Nb6 Rb8 34.Nd5 Nc4! 35.Nc3 (35.Nc4 Qd5 Remove defender) 35...Na3 36.Rd1 Nc4 37.Kg2 Rc8 38.Kf2 Ncd2 39.Rb2 Rc3 40.b6 Nc4 41.Re2 Qh5 42.Ree1 Qh2 43.Kf1 Nbd2 44.Rd2 Nd2 0–1. maddoxdb – reallymad, gameknot.com, 2013. (=1.c3 e5 2.b4 d6 3.e3 a6)

4.a4 c6 5.a5 Nf6 6.Qb3 Be7 7.Ba3 0–0 8.c4 b5 9.Be2 Be6 10.d3 h6 11.Qc3 Qd7 12.cb5 cb5 13.Nd2 Nc6 14.Bf3 Rac8 15.Qb2 Kh8 16.Rc1 Na7 17.Ne2 Bg4 18.Rc8 Rc8 19.Bg4 Ng4 20.Ne4 f5 21.Nd2 Nf6 22.h3 g5 23.0–0 Kh7 24.Ng3 Kg6 25.Rc1 Rc1 26.Qc1 Nh5 27.Nh5 Kh5 28.Qd1 g4 29.e4 Nc6 30.hg4 fg4 31.Nf1 Nd4 32.Nh2 Qe6 33.f3?? (33.Bb2!?+=) 33...gf3 (better is 33...Qa2!? 34.f4 Ne2 35.Kh1 ef4 36.Ng4 Kg4–+ (36...Qa3?! 37.Qe2 Kg6 38.Qf1+=)) 34.Nf3 Nf3 35.Qf3 Qg4?? 36.Qg4 Kg4+= 37.Bc1 Bg5 38.Bg5 hg5 39.Kf2 Kh4 40.g3?? Kh3–+ 41.Kf3 g4 42.Kf2 Kh2 43.Kf1 Kg3 44.Kg1 Kf3 45.Kh2 g3 46.Kg1 Ke3 47.Kg2–+ Kd3 48.Kg3 Ke4 49.Kf2 Kd4 50.Ke2 Kc4 51.Ke3 Kb4 52.Ke4 Kc5 53.Kd3 d5 54.Ke3 Kb4 55.Kd3 Ka5 56.Kc3 b4 57.Kb3 Kb5 58.Kc2 Kc4 59.Kb2 d4 60.Kc2 d3 61.Kd2 e4 62.Ke3 b3 63.Ke4 d2 64.Ke3 d1Q 65.Ke4 b2 0–1. maddoxdb – vlado_lp, gameknot.com, 2013. (=1.c3 e5 2.b4 d6 3.e3 a6)

3.e3 Nf6

4.Qb3 Be6 5.Qa4 Bd7 6.Qb3 Nc6 7.b5 Ne7 8.a4 b6 9.Bc4 Be6 (better is 9...d5!? 10.Be2 c5+=) 10.Be6+= fe6 11.Qe6 Qd7 12.Qd7 Nd7 13.Nf3 Nc5 14.0–0 Ng6 15.Na3 d5 16.d4 ed4 17.Nd4 Be7 18.Nc6 Na4 19.Ne7 (19.Nb1 Nc5 20.Rd1+/– (20.Na7?! Ne5=; 20.Ne7?! Ne7 21.Rd1 Kf7=)) 19...Ne7= 20.Bd2 0–0 21.f4 Nc8 22.Nc2 Nc5 23.Nd4 Ne4 24.Be1 Ne7 25.Bh4 Ng6 26.Be1 Rae8 27.Ra7 Re7 28.Nc6 Ref7 29.g3 Nc5? (29...Nd6!?=) 30.Nb4 (better is 30.c4!? dc4 31.Bb4+–) 30...Nd3?? (better is 30...Rd7+/–) 31.Nd3+– 1–0. maddoxdb – mchammer, gameknot.com, 2013. (=1.c3 e5 2.b4 d6 3.e3 Nf6)

4.Qb3 Be7 5.Bc4 0–0 6.d4 d5 7.Be2 e4 8.a4 c6 9.b5 1–0. maddoxdb – clark123, gameknot.com, 2012. (=1.c3 e5 2.b4 d6 3.e3 Nf6)

4.Be2 Nc6 5.a4 Be7 6.Nf3 e4 7.Nd4 Nd4 8.cd4 d5 9.Nc3 (9.Ba3!?+=) 9...Bb4–/+ 10.Bb2 Be6 11.0–0 a6 12.f3 Qd7 13.fe4 de4 14.h3 (14.Rf6 gf6 15.Ne4 Be7–/+) 14...h5 15.Rf4 Bd6 16.Rf1 Nd5 (better is 16...Qc6–/+) 17.Ne4+= f5 (17...Rd8 18.Bh5 Qe7 19.Nd6 Qd6 20.Ba3+/–) 18.Nd6 (18.Bh5!? Kd8 19.Nc5 Bc5 20.dc5+/–) 18...Qd6+= 19.Ba3 Qg3 20.Bh5 (20.Rf3!? Qg6 21.Qb1+=) 20...g6 (20...Kd7 21.Re1+=) 21.Bf3 (21.Qe1!? Qg5 22.e4=) 21...Rh3+= 22.Rf2?? (better is 22.Qe1 Qg5 23.Rc1+=) 22...0–0–0–+ 23.Rc1 Rdh8 24.Bd5 Rh1# 0–1. Tricky Rabbitt – unitedfan, chessworld.net, 2005.

4.h3 b6 5.Qb3 (5.d4 e4+=) 5...Be6 6.Qa4 Bd7 (6...Qd7 7.Qd7 Nbd7 8.d3+=) 7.Qb3 (7.b5+=) 7...Be6 (7...Be7 8.Bc4 0–0 9.d4–/+) 8.Qa4 Bd7 (8...c6 9.b5+=) 9.b5 (9.Qb3!?=) 9...Be7 10.c4 (10.d4 a6+=) 10...a6 11.Nc3 a5 (11...0–0 12.Nf3+=) 12.Nd5 (12.Be2 c6=) 12...Nd5 (12...0–0 13.Bb2+=) 13.cd5= 0–0 14.Qb3 (14.Nf3 f5=) 14...f5 15.Bd3 (15.Qc4 Bf6+=) 15...e4 (15...Bf6 16.Bb2+=) 16.Be2 Be8 (16...Bh4 17.d4=) 17.d3 Bf6 (17...a4 18.Qb4=) 18.Bb2 (18.Rb1 Nd7=) 18...a4 19.Bf6 (19.Qb4!?+=) 19...Qf6–/+ (19...ab3 20.Bd8 Bb5 21.Bc7 ed3 22.Bh5+/–) 20.Qd1 (20.Qb1–/+) 20...ed3 (20...Bb5 21.Rb1 Bd3 22.Bd3 ed3 23.Qd3–/+) 21.Bd3 Nd7 (21...Qc3!? 22.Kf1 Qc5–/+) 22.Nf3 (22.Ne2 Bf7 23.Bc4 Nc5=) 22...Bh5 (22...Qc3 23.Kf1=) 23.g4 (better is 23.0–0=) 23...fg4 24.hg4 (24.Bh7 Kh7 25.hg4 Qf3 26.Rh5 Kg8 27.Qf3 Rf3–+) 24...Bg4–+ 25.Bh7 (25.Bh7 Kf7 26.Be4=). nwishn (1900) – sbderkach (1680), net–chess.com, 2006.

4.h3 d5 5.Nf3 e4 6.Ne5 +=.

3.e4 a6

4.a4 h6 5.b5 a5 (5...Nf6!?+=) 6.Qb3 Be6 7.Qb2 Nf6 8.f3 Be7 9.c4 b6 10.Ne2 0–0 11.Ng3 Nfd7 12.Nf5 Bf5 13.ef5 Bf6 14.Nc3 Re8 15.Nd5 (better is 15.Bd3!?=) 15...e4–/+ 16.Nf6 Qf6 (better is 16...Nf6!? 17.Kd1 ef3 18.gf3 Qe7–/+) 17.Qf6= Nf6 (worse is 17...gf6 18.fe4 d5 19.d3 de4 20.de4+/– (20.Bh6?! ed3 21.Kd2 Nc5+/–)) 18.Be2 ef3 19.gf3 c6 20.Bb2 cb5 21.Rg1 Nbd7 22.cb5 d5 23.Rc1 Re7 24.Rg2 h5 (24...Nh5 25.Kf1=) 25.Kf2 (better is 25.Rc6!? h4 26.Rf6+=) 25...Rae8 26.Re1 h4 27.h3 Kh7 (27...Nh5 28.Ba3 Nc5 29.Bc5 bc5 30.f6 Nf6 31.Rgg1–+) 28.Kg1 (28.d4 Re3+=) 28...Rg8 29.Rc1 Nh5 30.Rg4?? (better is 30.Bd3 Ndf6 31.Bf1=) 30...Re2–+ 31.Rh4 Ndf6 32.Bc3?? g5–+ 33.Rd4 Ng3 34.Rd3 Kg7 35.Bf6 Kf6 36.Rd5 Nf5 37.Rc6 Re6 38.Rc7 Nh4 39.Rc6 Nf3 40.Kf2 Ne5 41.Re6 fe6 42.Rd6 Nc4 43.Rd4 Ne5 44.Rd6 Rf8 45.Rb6 Nc4 46.Ra6 Nd2 47.Ra5 Ne4 48.Kg2 e5 49.Ra6 Ke7 50.b6 Nc5 51.Ra7 Kd6 52.a5 e4 53.Rg7?? e3 54.b7 e2 55.Rf7 Nb7 56.Rf8 e1Q 57.Rf6 Ke7 58.Rf2 Na5 59.Kf3 Nc4 60.Re2 Qe2! 61.Ke2 Ne5 62.Kf2 Kf6 63.Kg3 Kf5 64.h4 gh4 65.Kh4= ˝–˝. maddoxdb – markrgilbey, gameknot.com, 2012. (=1.c3 e5 2.b4 d6 3.e4 a6)

4.Nf3 Nf6 5.d3 =.

4.Nf3 h6 5.Bc4 Ne7 (5...Nf6 6.d3=) 6.0–0+= b5 (6...d5 7.ed5 e4 8.Ne5+/–) 7.Bb3 Bb7 8.d3 g5 (8...a5 9.ba5 Ra5 10.a4+=) 9.a4+/– Bg7 10.Ne1 (10.Re1 Qd7+/–) 10...Qd7 11.Qh5 Ng6 12.ab5 ab5 13.Ra8 Ba8 14.Nd2 (14.Be3 d5 15.ed5 Bd5 16.Bd5 Qd5+=) 14...Nf4= 15.Qf3 Nc6 16.Bd5 (16.Qd1 Ne7=) 16...f6 (16...Nd5 17.ed5 Ne7 18.c4=) 17.Nb3 Qc8? (better is 17...Nd5!? 18.ed5 Ne7=) 18.Bf4+/– ef4 (better is 18...gf4 19.Qh5 Kd8+/–) 19.Qh5+– Kd8 20.Nd4 (better is 20.Qg6 Qd7 21.Bc6 Bc6 22.Nd4+–) 20...Nd4+/– 21.cd4 (21.Ba8!? Qa8 22.Qf7+=) 21...Bd5= 22.ed5 Qd7 (22...Qf5 23.Qf7 Qh7 24.Nc2=) 23.Nc2+= Re8 24.Ra1 Qe7?? (better is 24...Qc8=) 25.Ra8+– Kd7 26.Qg4 f5 27.Qf5 Qe6 28.de6 1–0. felippe (2100) – beammeupscotty (2115), net–chess.com, 2003.

3.e4 Be6

4.Bb5 c6+= 5.Ba4 b5 (5...d5 6.d3+=) 6.Bb3= Bb3 7.Qb3 (7.ab3 d5 8.Qf3 Nf6 9.ed5 Qd5 10.Qd5 Nd5=) 7...Nf6 (7...Qg5 8.g3+=) 8.d3= h6 (8...a5 9.Nf3=) 9.Nf3 (9.a4 d5=) 9...Be7 (9...a5!?=) 10.a4+= 0–0 11.ab5 cb5 12.Bd2 (12.Na3 Qd7+/–) 12...a6 (12...Nc6 13.Na3=) 13.0–0+= Nh7 (13...Nc6 14.Re1+=) 14.Be3+/– Ng5 (14...Nf6!?+/–) 15.Ng5+– hg5 16.Rd1 (16.Na3 Nc6+/–) 16...Nc6 (16...g4 17.Nd2+/–) 17.c4 (17.Qd5 Qc7+/–) 17...Nd4 (17...Qb8!? 18.Nc3 bc4 19.Qc4 Nb4+/–) 18.Bd4 (18.Qb2 d5 19.Bd4 ed4+/–) 18...ed4+/– 19.cb5 ab5 20.Ra8 (20.Na3!?+/–) 20...Qa8+= 21.Nd2 Qc6 22.Qb2 (22.Nf3 Bf6+=) 22...Bf6 (22...Qc3!? 23.Qa2 Qb4=) 23.Rc1+= Qb6 (23...Qd7 24.Nb3+=) 24.Nb3 (24.Qb3 Be5+/–) 24...Kh7 (24...Be5+/–) 25.Nd2 (25.Qe2 Kg8+/–) 25...Re8 (better is 25...Kg8!?=) 26.h3 (26.Qa2 Qb7+/–) 26...Be5 (26...d5 27.Qb3 Rd8 28.Rc5+/–) 27.Nf3 Bf4 (27...f6 28.Qa2 Qb7 29.Qe2+/–) 28.Rc2 (28.Ra1 d5 29.ed5 Rd8+–) 28...Kg6 (28...g4 29.hg4 (29.Nd4? Be5–+) 29...Ra8 30.g3+– (30.Qd4?? Qd4 31.Rc1 Ra1–+; 30.Nd4? Be5 31.g3 Qd4 32.Qd4 Bd4–+)) 29.Qd4+– (29.Nd4? Be5–+) 29...Qd4 30.Nd4 Be5 31.Nb5 Rb8 32.d4 Rb5 33.de5 de5 34.Rc4 f6 35.g4 Kh6 36.Kg2 Rb6 37.Kg3 Rb7 38.h4 gh4 39.Kh4 Kg6 40.Kg3 Kg5+= 41.Kf3 g6 42.Kg3+/– f5 43.gf5 gf5 44.ef5 Kf5 45.Kf3 Ke6 46.Ke4 Kd6 47.Kd3 Kd5 48.Kc3 Rb5 49.f3 Ke6 50.Re4 Kd5+/– 51.Rc4 Ke6 52.Rc5 Rc5?? 53.bc5+– Kd5 54.Kb4 Kc6 55.Kc4 Kd7 56.Kd5 1–0. grahamtrue (2070) – bar (1905), net–chess.com, 2008.

4.Nf3 Nf6 =.

4.Nh3 Be7 5.a4 Nf6 (5...d5 6.Qe2 Nc6 7.d3–/+) 6.a5 (6.Ng5 0–0=) 6...0–0 (6...Ne4 7.Qe2 Nf6 8.Qb5 Nbd7 9.Qb7–/+) 7.a6 (7.Ng5 Bc8+=) 7...ba6 (7...Ne4?? 8.ab7 Nd7 9.ba8R Qa8 10.Qf3+–; 7...Na6?! 8.Ba6 ba6 9.Ng5–/+) 8.Bd3 (8.Ng5!?+=) 8...Bg4 9.f3 Bh3 10.gh3 Nbd7 (10...c5 11.bc5 d5 12.Qe2–/+) 11.Ra6 (11.Ba6 Rb8+=) 11...Nb8 12.Qa4? (better is 12.Ra4–/+) 12...Na6–+ 13.Ba6 c5 14.Bb7 (14.bc5 dc5 15.d3 Qd6–+) 14...Rb8 15.Qa7 (15.Bc6 d5 16.b5–+) 15...Qc7 (15...Qd7 16.Qa6 Rb7 17.Rg1–+) 16.bc5 Rb7 17.Qa1 Qc5 18.Qa3 (18.Na3 Ra8 19.c4 Rb3–+) 18...Qa3 (better is 18...Rb1 19.Qc5 dc5–+) 19.0–0 (19.Na3 d5 20.Nc2 de4 21.fe4 Ne4–+) 19...Rb1 (better is 19...Qa7 20.d4 Rb1–+) 20.Ba3 Rf1 21.Kf1 Nh5 22.c4 (22.Ke1 Ra8 23.Bc1 Ra2–+) 22...Nf4 (better is 22...Ra8 23.Bb2 Nf4–+) 23.c5 (23.Ke1 Ra8 24.Bc1 d5 25.cd5 Nd3 26.Kd1 Rc8–+) 23...dc5 (23...Rb8 24.Bb2 Rb2 25.Ke1 Rb1 26.Kf2 Bh4 27.Ke3 Re1#) 24.Bb2–+ Nh3 (better is 24...Bf6 25.Bc1 Ra8 26.Ke1 Nd3 27.Kd1–+) 25.Be5 Ra8 26.d4 cd4 27.Bd4 Bb4 28.e5 Rd8 29.Kg2 Rd4 30.Kh3 Rd3 31.Kg3 Bc3 32.h4 Be5 33.Kg4 h5 34.Kh5 g6 35.Kh6 Bf4# 0–1. nickb – WirralBoy, chessworld.net, 2012.

3.e4 f6

4.Bc4 b6 5.Bg8 c6?? 6.Nf3 Rg8= 7.0–0 Nd7 8.Qb3 (8…Rh8 9.d4+=). felippe (2100) – thedenverone, net–chess.com, 2003.

4.Bc4 c6 5.Bg8 b6?? 6.Bb3+– b5 7.Qh5 g6 8.Qd1 1–0. felippe (2100) – thedenverone, net–chess.com, 2003.

4.Bc4 f5 5.ef5 Bf5 =.

4.Nf3 c6 5.Bc4 (5.d4 d5 6.Qe2 ed4 7.ed5 Qe7 8.Qe7 Be7 9.Nd4 cd5 10.Bb5 Kf7+=) 5...b6 (5...d5 6.ed5 cd5 7.Bb5 Bd7 8.Bd7 Nd7 9.0–0=) 6.Bg8 (6.Qb3!? Ne7 7.Bf7 Kd7 8.d4+/–) 6...Rg8= 7.0–0 b5 (7...d5 8.ed5 cd5 9.d4=) 8.a4 +=. felippe (2100) – thedenverone, net–chess.com, 2003.

4.Nf3 d5 5.ed5 Qd5 6.d4 =.

3.e4 Nf6

4.d3 b5 5.Nf3 Bg4 (5...a5!?=) 6.a4+= ba4 7.Qa4 c6 8.Bg5 Bf3 9.gf3 h6 10.Bh4 g5 11.Bg3 h5 12.h4 Bh6 13.Nd2 gh4 14.Bh4 Bd2 (14...Rg8 15.Nc4 Bg5 16.Bg5 Rg5 17.Qa5+/–) 15.Kd2+/– Nbd7? (15...Rh6 16.d4+/–) 16.Bh3?? (better is 16.Qc6 Rh6 17.Bf6 Rf6 18.Bh3+–) 16...Qb6+= 17.Rhb1 a6 (better is 17...Rg8+=) 18.Bg5?? (better is 18.b5 Nc5 19.Qa5 Qa5 20.Ra5 cb5 21.Bf6+–) 18...Qf2–+ 19.Kc1 Qf3 (better is 19...Qg1 20.Kc2 Qh2 21.Kb3 Qh3 22.Qc6 Ke7–+) 20.Bf5?? (20.Qc6 Rd8 21.Bd7 Rd7 22.Qc8 Rd8=) 20...Qd3 (better is 20...Qf1!? 21.Kc2 Qf2 22.Bd2 Qb6–+) 21.Qc6+= 0–0 22.b5?? (22.Bd7 Nd7 23.Qd7 Qc3 24.Kd1 Qd3 25.Bd2 Qf3 26.Ke1 Qe4 27.Kf2 Qd4 28.Be3 Qh4 29.Kf1+=) 22...Rac8–+ 0–1. athar – crystal palace, chessworld.net, 2005.

4.d3 Be6 5.Bg5 (5.Nf3 Be7=) 5...Be7 (5...h6 6.Bf6 Qf6 7.Nf3+=) 6.Nf3 Nfd7 (6...Nbd7 7.Be2+=) 7.Be7 (7.Be3 d5=) 7...Qe7 8.Qd2 (8.d4 ed4 9.Nd4 a5+=) 8...a6 (8...0–0 9.Ng5+=) 9.a4 (9.Be2 0–0=) 9...Nf6 (9...a5 10.d4+=) 10.c4 (10.Be2 Nc6=) 10...Nbd7 (10...Bg4 11.Be2+=) 11.h3 (11.Be2 a5+=) 11...0–0 (11...a5 12.Be2+=) 12.Be2 c6 (12...a5 13.0–0+=) 13.Qc3 (13.0–0 d5+=) 13...h6 (13...d5 14.Ne5 d4 15.Qd4 Qb4 16.Qc3 Qc3 17.Nc3 Ne5 18.f4=) 14.Nbd2 (14.a5 Rfe8+=) 14...Rfe8 (14...d5 15.ed5 cd5 16.0–0+=) 15.Nb3 (15.0–0 d5=) 15...Qd8 (15...d5 16.ed5 cd5 17.0–0+=) 16.Na5 Qc7 17.0–0 b6 (17...Rec8 18.Nb3+=) 18.Nb3 b5 (18...c5 19.Rfb1+=) 19.ab5 (19.cb5 ab5 20.ab5 Bb3 21.Qb3 cb5 22.Ra8 Ra8=) 19...ab5 (19...cb5 20.Nbd2+=) 20.Ra8 (20.cb5 Bb3 21.Qb3 cb5 22.Ra8 Ra8=) 20...Ra8 21.Rb1 (better is 21.cb5!? Bb3 22.Qb3 cb5 23.d4=) 21...bc4–/+ 22.dc4 (22.Nbd2 d5–/+) 22...Ne4 23.Qc2 Ndf6 (23...Nef6 24.Bd3–/+) 24.Bd3 Kf8?? (better is 24...Bf5–/+) 25.Be4+– Ne4 26.Qe4 Ra4 27.Nbd2 d5 28.cd5 cd5 29.Qe5 Qe5 30.Ne5 d4 31.b5 Ra2 32.Ndf3 f6 33.Nd4 fe5 34.Ne6 Kf7 35.Nc7 Ke7 36.b6 (36.b6 Rd2 37.b7+–) 1–0. grahamtrue (2070) – alwayslosing (1945), net–chess.com, 2008.

4.d3 g6 5.Nf3 Bg7 6.Nbd2 0–0 7.Be2 Re8 8.0–0 c6 9.Re1 a5.

4.Bd3 Be6 5.a4 Be7 6.b5 0–0 7.Ba3 c6 8.bc6 Nc6 9.f3 Qd7 10.h4 Nh5 11.Ne2 Rfd8 12.Bb5 a6 13.Bc6 bc6 14.a5 d5 15.Be7 Qe7 16.Qa4 Rdc8 17.g4 Nf4 18.g5?? (18.Nf4!? ef4 19.e5+=) 18...de4 (18...Nd3 19.Kf1 Qc5 20.Nd4–+) 19.fe4?? (19.Nf4 ef4 20.Qe4 Re8–/+) 19...Ne2 (better is 19...Nd3 20.Kf1 Qa7–+) 20.Ke2–/+ Qd6 21.Na3 (better is 21.d3–/+) 21...Rd8–+ 22.Rad1 (22.Qc2 Bb3!! 23.Qc1 Qd3 24.Kf2 Qe4 25.Rh2–+) 22...Bg4 23.Kf2 Bd1 (better is 23...Qd3!? 24.Rh2 Qe2 25.Kg1 Qd1 26.Qd1 Bd1 27.Nc4–+) 24.Rd1 Rab8 25.Nc4 Qc5 26.Ne3 Rb5 27.Qc4 Ra5 28.Qc5 Rc5 29.Ke2 f6 30.gf6 gf6 31.Nf5 Kf7 32.h5 a5 33.Nh6 Ke6 34.Rg1 a4 35.Rg7 Ra8?? 36.Ng8 a3–+ 37.Re7 Kd6 38.Rf7 a2 39.Rf6 Kc7 40.Rf7 Kb6 41.Nf6 a1Q 42.Nd7 Kb5 43.Nc5 Kc5 44.Rf5 Re8 45.Rf7 Qg1 46.Ra7 Qg2 47.Kd3 Qf3 48.Kc2–+ Qe4 49.Kc1 Rb8 50.Ra5 Rb5 51.Rb5–+ Kb5 52.Kb2 Kc4 53.h6 Kd3 54.Kc1 Qe1 55.Kb2 Qd2 56.Kb3 Qc3 57.Ka2 Qb4 58.Ka1 Kc2 59.Ka2 Qb2# 0–1. maddoxdb – miaunescu, gameknot.com, 2013. (=1.c3 e5 2.b4 d6 3.e4 Nf6)

4.Bd3 Be7 5.Nf3 0–0 6.Ba3 a6 7.0–0 b5 8.Ng5 (8.Bb2 Bb7=) 8...Bb7 9.Qe2 h6 10.Nh3 Qd7 11.Bb2 c5 12.Ba3 (12.f4!?+=) 12...c4 (12...d5 13.bc5 de4 14.Bc2–+) 13.Bc2–/+ Qe6 (13...d5 14.ed5 Bd6 15.Bb2–/+) 14.d3 Nbd7 (14...cd3 15.Bd3 d5 16.f3+=) 15.Nd2 cd3 16.Bd3 Rac8 17.c4 Bc6 (17...bc4 18.Bc4 d5 19.Bb3–/+) 18.Rfe1 (18.Bb2 bc4 19.Bc4 Bb5 20.Bb5 ab5 21.Qb5 Rc2=) 18...Nb6 (18...bc4 19.Bc4 d5 20.Ba6=) 19.Rac1 (19.cb5 ab5 20.Bb5 Bb7+=) 19...Qd7 20.c5 (20.Bb2!?=) 20...dc5+= 21.bc5 Na8 (21...Rfd8!? 22.cb6 Ba3–+) 22.Nb3 Bd8 23.Bb4 Nh7 24.Rcd1 Qb7 25.Ba5 (25.Bc3 Re8+=) 25...Be7 (25...Bd7 26.Bc3 Bh3 27.gh3=) 26.Qb2+= f6 27.Bb4 Nc7 (27...Bd7 28.Re3 Rfd8 29.Ba5=) 28.Na5+= Qa8 29.Qb3 Kh8 30.Be2 (better is 30.Bc2!?=) 30...Be4–/+ 31.c6? (31.Rd7!? Nd5 32.Nb7–/+) 31...Bb4 (31...Bc2! 32.Qc2 Bb4 33.Qf5–+) 32.Qb4 Bc6 33.Rc1? (better is 33.Nc6 Qc6 34.Bf3–/+) 33...Bg2 34.Nf4 ef4 35.f3 Bf3 36.Bd3 Ne6! 37.Bf5 Rc1 38.Rc1 Neg5 39.Qf4 Rd8 40.Rf1 Qa7 41.Rf2 Rd1# 0–1. riaanvdb (2210) – vcekota (2295), net–chess.com, 2012.

4.Qe2 Be7 +=.

4.f3 d5 5.ed5 Nd5 6.d4 ed4 7.Qd4 +=.

4.f3 Be7 5.Bb5 (5.d4 ed4 6.Qd4 0–0+=) 5...c6 6.Bc4 (6.Be2 Qb6+=) 6...b5 (6...d5 7.ed5 cd5 8.Be2–/+) 7.Bb3+= 0–0 (7...a5 8.ba5 0–0 9.d4+=) 8.g4 (8.a4 d5+=) 8...Bd7 (8...d5 9.g5 Nh5 10.d4–/+) 9.h3 (9.d4 a5+=) 9...a6 (9...a5 10.ba5 Ra5 11.d4–/+) 10.a3 (10.d4 ed4 11.cd4 d5–/+) 10...Ra7 (10...a5 11.ba5 Qa5 12.d4–/+) 11.h4 (11.d4 a5–/+) 11...Qb6 12.g5 Ne8 (better is 12...Nh5 13.Ne2 a5+=) 13.Nh3?? (better is 13.d4+=) 13...Bh3–+ 14.Rh3 (14.Bf7 Rf7 15.f4–+) 14...Qg1 15.Ke2 Qg2 16.Ke3 Qh3 17.Qe1 c5 (17...a5 18.ba5 Ra5 19.d4–+) 18.Bd5 (18.d3 a5 19.ba5 Ra5–+) 18...c4 (18...Nc7 19.d3–+) 19.a4 (19.d3 cd3 20.Qf2 Nc7–+) 19...Nc7 20.ab5 Nd5 21.ed5 Qf5 22.Kf2 Qf4 (better is 22...Qd7 23.Qe3–+) 23.Kg2 Rb7 (better is 23...f6 24.Qe3 fg5 25.d3–+) 24.ba6 Na6! 25.Ra6 Rb5 (better is 25...f6 26.d3 Qf5–/+) 26.Qe4= Qe4 27.fe4 Bd8? (better is 27...Rb7!?=) 28.Rd6 (28.Na3 Rb6 29.Rb6 Bb6 30.Nc4+–) 28...Be7 29.Rc6+– Rb7 30.Rc4 Ra7 31.Kf3?? Ra1+= 32.Rc7 Bd8 33.Bb2?? Rb1–+ 34.Rc6 Rb2 35.Ke3 Rb1 36.d6 Re1 37.Kf3 f6 38.g6 hg6 39.d3 Rh1 40.Kg3 g5 41.hg5 f5 42.ef5 Rg1 43.Kf3 Bg5 44.d7 Rf1 45.Ke2 R1f5 46.d4 Kh7 47.d5 Rf2 48.Kd3 R2f7 49.Rd6 Be7 50.Re6 Bd8 51.Re5 Rd7 52.c4 Ra7 53.d6 Ra3 54.Kd4 g5 55.c5 Rf4 56.Kd5 Rd3 57.Kc6 Rb4 58.Kd7 Bf6 59.Rf5 Kg6 60.Rf2 Bd4 61.Kc6 Bf2 0–1. sbderkach (1680) – sburritt, net–chess.com, 2006.

4.Nf3? g6 5.d3 Bg7 6.Nbd2 0–0 7.Be2 Re8 8.0–0 c6.

4.Nf3? g6 5.Ne5?? (5.d3 Bg7 6.Nbd2 0–0 7.Be2 Re8 8.0–0 c6) 5...de5 6.Bb5 c6 7.Bc4 Bg7 8.Qb3 (8.d3 b5 9.Bb3 a5 10.ba5 Nbd7 11.0–0 Nc5) 8...0–0 9.0–0 Ne4 10.d3 Nd6 11.Nd2 (11.a4 Nc4 12.dc4 Be6 13.Na3 Qh4 14.Be3 Rd8) 11...b5 12.Bf7 Nf7 13.Ne4 (13.Qc2 a5 14.ba5 Qa5 15.Ne4 Bf5 16.Rd1 Nd7) 13...Qd3 14.Ng5 (14.f3 Bf5 15.Rd1 Qc4 16.Qc4 bc4 17.Be3 Be4 18.fe4) 14...Qd5 15.c4 (15.Rd1 Qb3 16.ab3 Ng5 17.Bg5 e4 18.Rac1 Be6) 15...bc4 16.Qg3 e4 17.f4 (17.Rb1 c3 18.Nf7 Rf7 19.Bf4 Nd7 20.a3 Ne5 21.Be5 Be5) 17...Ba1 18.Qh4 (18.Nf7 Qf7 19.Re1 a5 20.ba5 Ra5 21.Re4 Ra2 22.Kh1 c5) 18...Bd4 19.Kh1 Ng5 20.Qh6 e3 21.h4 e2 22.Re1 Nf3 23.Re2 Bb6 24.gf3 Qf3 25.Rg2 Qh3 26.Rh2 Qf1 0–1. Krahl,Wolfgang – Dopper,Johan, corr TKM/A004, 2000.

3.g3 b5

4.Bg2= c6 5.a4 ba4!? 6.Qa4 Qb6 =.

4.Bg2= c6 5.a4 ba4 6.Qa4 Nf6 =.

4.Bg2= c6 5.a4 a6 6.ab5+/– Bb7 (6...d5 7.Nf3+/–) 7.bc6 Bc6 (7...Nc6 8.Nh3+/–) 8.Bc6 (8.Nf3 a5+/–) 8...Nc6 9.Nf3 f6 (9...Nf6 10.Qa4 Qb6 11.b5+/–) 10.Qa4 (10.d4 ed4 11.Qa4 Qd7 12.Nd4 Nd4 13.cd4 Rc8 14.Qd7 Kd7+–) 10...Qb6 (10...Qd7 11.e4+/–) 11.0–0 (11.d4 Nge7 12.de5 de5 13.Be3+/–) 11...Qb5?? (better is 11...Nge7+/–) 12.Qb5+– ab5 13.Ra8 Ke7 14.d4 (14.Na3 e4 15.Ne1 d5+–) 14...Nh6 (14...e4 15.Nh4 Kf7 16.Na3+–) 15.Bh6 gh6 16.d5 Nd8 17.Nh4 Kf7 (17...Kd7 18.Na3 Nb7 19.Nf5+–) 18.Rd8 h5 19.Nf5 Rg8 20.e4 (better is 20.Na3 Rg5 21.e4 Be7+–) 20...Be7 21.Nh6 Kg6 22.Rg8 Kh6 23.Re8 f5 24.Re7 f4 25.Re6 Kg7 26.Rd6 1–0. tomy (2260) – sbderkach (1680), net–chess.com, 2006.

4.Bg2= c6 5.d3 Nf6 (5...a5 6.Nf3=) 6.Nf3 (6.a4 d5=) 6...Ng4 (6...a5 7.0–0=) 7.0–0 (7.a4 ba4 8.Qa4 Be7+=) 7...Bb7 (7...a5 8.a4 ab4 9.cb4 ba4 10.Ra4 Ra4 11.Qa4=) 8.Nbd2 (8.a4 ba4 9.Qa4 Be7+=) 8...f5 (8...a5 9.h3 Nf6 10.Nb3 ab4 11.cb4=) 9.Nb3 (9.Qb3 Qe7+=) 9...Ba6 (9...Be7 10.Na5 Bc8 11.h3+=) 10.Bd2 (10.a4+/–) 10...e4 (10...Be7 11.h3 Nf6 12.a4+=) 11.de4 (11.Nfd4!?+–) 11...fe4+/– 12.Nfd4 d5 (12...Qe7+/–) 13.Nc5 (13.f3 Nf6 14.Bg5 ef3 15.Bf3+/– (worse is 15.Nf3 Be7+/–)) 13...Nd7?? (better is 13...Bc5 14.bc5 Ne5+=) 14.Na6+– Qc8 (14...Qb6 15.Ne6 Rc8 16.Bh3+– (16.Nf8?! Rf8 17.Nc5 Nc5 18.bc5 Qc5+–)) 15.Nc5! Nc5 (15...Nc5 16.bc5 Combination; 15...Bc5 16.Ne6 Double attack (16.Ne6 Decoy)) 16.bc5 Bc5 17.e3 (17.a4 b4+–) 17...Bd4 (17...Nf6+–) 18.cd4 a6 (18...Nf6 19.Bb4+–) 19.Bh3 Ne3 (19...h5+–) 20.Bc8 (better is 20.Qh5 Kd8 21.Ba5 Ke7 22.fe3 Qe6 23.Bb4 Kd8 24.Be6 h6 25.Ba5 Ke7 26.Rf7 Ke6 27.Qg6) 20...Nd1 21.Bb7 (21.Rad1?! Rc8 22.f3 0–0+/–; 21.Rfd1?! Rc8 22.Bb4 Kd7+=) 21...Rb8 (21...Kd7 22.Ba8 (22.Rad1?! Ra7+–; 22.Rfd1?! Ra7+–) 22...Nb2 23.Bb7+–) 22.Bc6 1–0. guerino (2100) – sbderkach (1680), net–chess.com, 2006.

4.Bg2= d5 5.a4 ba4 6.Qa4 Bd7 7.Qa5 =.

2.c3 f5

3.Qc2 d5 4.e3 Nf6 5.Bb5 c6 6.Ba4 Bd6–/+ 7.Ne2 Be6 8.d4 b5 9.Bb3 e4 10.Nf4 Qe7 11.g3 0–0. sebastiengobbo – nickbarletta, net–chess.com, 2001.

3.e3 g5?? 4.Bb5 (better is 4.Qh5 Ke7 5.Qg5 Nf6 6.Qf5+–) 4...Nf6 5.d3 f4 (better is 5...a5 6.d4 e4=) 6.Qh5?? (6.Nf3+=) 6...Ke7 (better is 6...Nh5 7.d4 ed4 8.ed4 a5–+) 7.Qd1 (7.Qg5!? d6 8.Bc4+/–) 7...Ke8 (7...c6!? 8.Ba4 d6+=) 8.Nf3 e4 9.Ne5 ed3? 10.Qa4?? Ne4 11.Bd7?? Nd7 12.Nd7 Bd7 13.h4 g4 14.Qa5 g3 15.Rh3?? gf2–+ 16.Kf1 d2 17.Rf3 Ng3 18.Kf2 d1Q 19.Rf4 Qc1 20.Kg3 Qe1 21.Kf3 Rg8 22.Ke4 Bc6 23.Ke5 Qe7 24.Kf5 Q1e3 25.Na3 Q7e6# 0–1. Pruntsch,Vincent Louis (2000) – Pruntsch,Veit (2000), remoteschach.de, 2011. (=1.c3 f5 2.b4 e5)

3.e4= d6 4.ef5 Bf5 =.

3.g3 d5 4.Bg2 e4 5.d3 Nf6 6.de4 fe4 7.e3 Be6 8.Ne2 c5 9.Nf4 Qd7 10.Ne6=+ Qe6 11.a3 b5 12.0–0 c4 13.f3 Be7 14.fe4+= Ne4 15.Be4 Qe4= 16.Rf4 Qe5 17.Qf3 Nc6 18.Rf5= Qe6 19.Rd5 Rf8+= 20.Qg2 Rd8 21.Rd8 Kd8 22.a4+/– a6 23.ab5 ab5 24.Ra8 Kd7 25.Rf8 Bf8 26.Qf3 Qd6 27.Na3+– Na7 28.Qb7 Qc7 29.Qd5 Qd6+/– 30.Qf5 Kc6 31.Qe4 Kb6 32.Qd4 Kb7 33.Qd6 Bd6+/– 34.Nc2 Nc6+= 35.Nd4 Nd4 ˝–˝. tomy (2260) – nay (2190), net–chess.com, 2006.

3.a4 Nf6=+

4.d4 Nc6 5.b5 Ne7 6.de5 Ne4 7.Nf3 g6 8.Bf4 (8.a5 d5+/–) 8...c6 (8...Bg7 9.e3 d5+/–) 9.c4 Qa5 10.Nbd2 Bg7 11.e3 0–0 12.c5 Nd5 13.Bc4 Kh8 14.0–0 Nd2 15.Qd2 Qd2 16.Nd2 Nf4 17.ef4 Bh6 18.g3 b6 19.Nb3 Bb7 20.Rfd1 Rad8 21.Rd6 Rfe8 22.Rad1 Re7 23.bc6 Ba8 24.Rd7 Red7 25.Rd7 Rc8 26.c7 Bf8 27.Rd8 Bb7 28.c6 (28...Rc7 29.Rf8 Kg7 30.Rg8 Kh6 31.cb7 Rb7 32.e6+–) 1–0. Trkn – guest2622, ICC, 2003.

4.Nf3 d6 5.d3 Be7 6.e3 0–0 7.Qb3 Kh8 8.Be2 h6 (8...e4 9.Ng5 d5 10.0–0=+) 9.0–0= Qe8 10.Nbd2 Nc6 11.b5 Nd8 12.a5 Be6 13.c4 g5 14.a6 b6 15.Bb2 g4 16.Ne1 Qg6 (16...c6 17.d4 cb5 18.Qb5 Qb5 19.cb5+=) 17.f4 h5? (Better is 17...gf3 18.Bf3 Rc8+/–) 18.fe5+– de5 19.Be5 Kh7 20.Bc7 Nf7 21.Nc2 Ng5 22.Nd4 Bd7 23.Rad1 Bc5 24.Nc2 Ng8 25.Bf4 Nh3 26.gh3 gh3 27.Kf2 Qg2 28.Ke1 Rae8 29.Bh5 Nf6 30.Be8 Re8 31.Nf3 Ng4 32.d4 Ne3 33.Ne3 Bd6 34.Bd6 f4 35.Be5 35...fe3 36.Qe3 Bg4 37.Qe4 Kh6 38.Qf4 1–0. Trkn – guest1716, ICC, 2003.

3.e3 Nf6

4.Bb2 d6 5.Na3 Be6 6.g3 Nbd7 7.Bg2 c6 8.b5 Qc7 9.bc6 bc6 10.Qa4 d5 11.Ne2 Nc5 12.Qd1?? Nd3–+ 13.Kf1 Nb2 14.Qc1 Nd3 15.Qc2 Nf2 16.Kf2 Ba3 17.Rhd1 Bd6 18.Rab1 Ng4 19.Kg1 Bc5 20.Rb2 Rf8 21.Rdb1 Bb6 22.Qa4 Kd7 23.h3 Nf6 24.Qb4 c5 25.Qb5 Qc6 26.Qd3 c4 27.Qc2 Ne4 28.d4 cd3 29.Qd3 Qc4 30.Qc4 dc4 31.Rb5 Be3 32.Kh1 Nf2 33.Kg1 Nh3 34.Kf1 Ng5 35.Ba8 Ra8 36.Rb7 Kd8 37.Rg7 Nf3 38.Rbb7 (38…Nd2 39.Ke1–+). pbram143 – chessleon, internet, 2007.

4.Bc4 Nc6 5.Ne2 d6 6.Ng3 d5=+ 7.Bb5 g6 8.Na3 Bd7 9.0–0 a6 10.Ba4 b5 11.Bb3 Bg7 12.f4 Be6 13.fe5 Ne5 14.Qc2 0–0 15.d4 Nc6 16.Qd3 Re8 17.Bd2 Ne4 18.Be1 Ng3 19.Bg3 Bh6 20.Nc2+= Bf7 21.Rae1 Be6 22.a4 Bf7 23.a5 Be6 24.Bf4 Bf4 25.Rf4 Bf7 26.Re2 Qd6 27.Ne1 Re7 28.Nf3 Rae8 29.Ng5 Kg7 30.Nf7 Kf7 31.g4+= Qd7? 32.gf5 Re4?? 33.fg6+– Kg6 34.Rg2 Kh5 35.Qe2 Kh6 36.Qf2 Qe7 37.Rf6 Kh5 38.Qf5 (38…Kh4 39.Rh6; 38.Qf3 Kh4 39.Rh6) 1–0. stardom (2120) – deaf (2320), net–chess.com, 2004.

4.Nf3 e4 5.Nh4 (5.Nd4 d5+=) 5...d5–/+ 6.Nf5? (better is 6.f4–/+) 6...Bf5–+ 7.Qa4 Bd7 8.b5 Bd6 9.Be2 Na6! 10.0–0 (10.ba6 Ba4 Pinning (10...Ba4 Deflection)) 10...Nc5 11.Qd4 0–0 12.Na3 (12.Ba3 Ne6 13.Qa4 Ba3 14.Qa3 a6 15.ba6 c5–+) 12...Ng4 13.Qd5 (13.Bg4 Bg4 14.Qd5 Kh8–+) 13...Rf7 (better is 13...Be6 14.Qe6 Ne6 15.Bg4 Nc5–+) 14.Nc4 (14.h3 Bb5! 15.Qf7 Kf7 16.Nb5–+) 14...Bh2 15.Kh1 Be6 (15...Qh4 16.Qg5 Qg5 17.Bg4 Bg4 18.Ne5 Qe5 19.f3 Qh5 20.Rf2 Bg3 21.Kg1 Qh2 22.Kf1 Qh1 23.Ke2 ef3 24.gf3 Bf3 25.Rf3 Qf3) 16.Qc5 (16.Qd8 Rd8 17.Ba3–+) 16...Nf2 (16...Qh4 17.Bg4 Bg4–+) 17.Kh2 (17.Rf2 Rf2 18.Qh5–+) 17...Qh4 18.Kg1 Qh1# 0–1. Pscheidl,Carolin – Ganske,Jens (1845), remoteschach.de, 2007.

4.Nf3 Qe7 5.d3 c6 6.Bb2 d6 7.Be2 Be6 8.0–0 a6 9.Nbd2 h6 10.a3 g5 11.h3 Bg7 12.Re1 Nbd7 13.e4 fe4 14.Ne4 Ne4 15.de4 0–0 16.Nh2 (16.c4 Nf6=) 16...b5 17.Ng4 Bg4 18.Bg4 Nf6 19.Bf3 Kh8 20.Qc2 Ne8 21.Rac1 Rc8 22.Be2 (22.c4 Nf6+/–) 22...Nc7 (22...d5!?=) 23.c4 bc4 24.Bc4 d5 25.ed5 (25.Bd3!?+/–) 25...cd5 26.Bd5?? (better is 26.Bd3+/–) 26...Nd5–/+ 27.Qc8 Rc8 28.Rc8 Kh7 29.Rcc1 Nf6 (better is 29...Nf4 30.Rc2 Qd7–+) 30.Be5+= Qe5?? (better is 30...Qe6+=) 31.Re5+– Nh5 32.Rc7 1–0. Fournier,Frederic (1920) – REVELO (1870), Active Blind, 2011.

3.e4= d5

4.ed5 Qd5 =.

4.Nf3 =.

4.ef5 Bf5 5.Qh5 g6=.

3.e4= Nf6

4.ef5 d5 5.Qe2 Bd6 6.d4 e4 (6...Bf5? 7.de5 0–0 8.ed6 Qd6 9.Nf3+–) 7.g4 0–0 8.Bg5 h6 9.Bh4 a5 10.ba5 Nc6 11.Nd2 Na5 12.Bf6 Qf6 13.f3 Qh4 14.Qf2 Qe7 15.Qe3 Qh4 16.Kd1 Re8 17.Bg2 (17.Bb5 Re7 18.fe4 Qg4 19.Ne2 Bf5= (< 19...de4 20.f6 Rf7 21.Ne4+/–)) 17...Bd7 18.fe4 Qg4 19.Qe2 Qe2 20.Ne2+/– de4 21.Be4 Bc6 22.Bc6 Nc6 23.Nc4 Bf8 24.Re1 Ne7 25.Ne3 Rad8 26.Nf4+– c5 27.Ne6 Rd6? 28.Nc5 Nc6 29.Nb7 Rd7 30.Rb1 Be7?? 31.Rb6 Bg5 32.Nc5 Nd4 33.Nd7 Nf3 34.Nc2 Rd8 35.Rb7 Ne1 36.Ke1 Re8 37.Kd1 Ra8 38.Nb4 Ra3 +–. b4_player (2165) – Frip (2000), GameColony.com, 2003.

4.ef5 d5 5.g4 Qd6=.

4.ef5 d5 5.g4 Bd6 6.g5 0–0 (Better is 6...Ng8!? 7.Qh5 Ke7+=) 7.gf6+/– Qf6 8.Qb3 c6 9.d3 Bf5 10.Nd2 Kh8 11.Kd1 Nd7 12.Bb2 a5 13.a3 a4 14.Qc2 b5 15.Ne2 Nb6 16.Rg1 Nc4 17.Bc1 h6 (17...Rae8 18.h3+=) 18.Ra2+/– c5 19.Bg2 cb4 20.cb4 (20.Bd5 b3 21.Nb3 ab3 22.Qb3 Bd3 23.Ba8 Qf2–+ (23...Ra8?! 24.Ke1=+)) 20...Rac8 21.Qb1 Nb6 22.f4 Nc4 23.Nf3 e4 24.de4 Be4 25.Qa1 Qe7 26.h3 Rce8 27.Nh4 Qh4 28.Be4 Be5 29.fe5 Qe4 30.Qd4 Qf3 31.e6 Rf6 32.Qg4 Qd3=+ 33.Ke1 Re7 34.Qd4 Qf5 35.Nf4= Ree6?? 36.Ne6+– Re6 37.Re2 Re2 38.Ke2 Ne5 39.Rg3 Qc2 40.Bd2 Qf5 41.Qd5 Qh5 42.Ke1 Qf5 43.Re3 Qb1 44.Ke2 1–0. marekt (2450) – nbh999 (2045), ChessWorld.net, 2003.

3.Nf3 d6

4.a3 Nf6 5.d4 Nbd7 6.Bg5 Be7 7.de5 de5 8.e3 h6 9.Bf6 Bf6 (9...gf6 10.Nh4 Nb6 11.Qh5 Kd7 12.Nf5+/–) 10.Be2 Qe7 11.0–0 0–0 12.Qb3 Kh8 13.Rd1 Nb6 14.Qc2 Be6 15.Nbd2 Rad8 16.Nb3 Bb3 17.Qb3 Rd1 18.Rd1 Rd8 19.Rd8 Qd8 20.Qc2 g6 (20...e4 21.Nd4 Qd7 22.b5=) 21.e4+= Qd7 22.c4 c6 23.Bd3 (White gets decisive kings attack) 23...f4 24.c5 Na8 25.a4 Nc7 26.Qc3 Ne6 27.Ne5+= Be5? 28.Qe5+– Kh7 29.Qd6 Qf7 30.Bc4 1–0. b4_player (2185) – Frip (1975), GameColony.com, 2003.

4.a3 Nf6 5.d4 e4 6.Ng5 h6 7.Nh3 Be7 8.Nf4 g5 9.Ng6 Rg8 10.Ne7 Qe7 11.c4 Be6 12.d5 (White gets more space) 12...Bf7 13.Nc3 Nbd7 14.Nb5 Nb6 15.e3 (White is behind in development) 15...a6 16.Nd4 Qd7 17.Be2 0–0–0 18.0–0 Ng4? (Better is 18...Rg6+= and Black can hope to survive) 19.Nf5!+– h5 (19...Qf5 20.Bg4) 20.Ng3 Ne5 21.Ne4 Qf5 22.Nd2 g4 23.e4 Qg6 24.c5 Nd5 25.ed5 Bd5 26.b5 Nf3 27.Bf3 gf3 28.g3 Qg4 29.ba6 ba6 30.cd6 Rd6 31.Re1 Rf6?? 32.Nf1+– Qh3 33.Ne3 Re8 34.Qd5= Re3 35.Qg8 Kb7 36.Rb1 Ka7?? 37.Qb8# 1–0. b4_player (2175) – Frip (1990), GameColony.com, 2003.

3.Nf3 e4=+

4.Nd4 d5 5.Na3 Nf6=+.

4.Nd4 d5 5.d3 Nf6 6.Bg5 Be7 7.Nd2 0–0 8.e3 a5 9.b5 c5 10.bc6 bc6 (10...Nc6 11.Rb1=+) 11.Bf4= Bd6 12.Bd6 Qd6 13.Be2 (13.Rb1 c5 14.Nb5 Qe7=) 13...Nbd7 (13...ed3!? 14.Bd3 f4=) 14.Nf5+= Qa3 15.Qb3+/– Qb3 16.ab3 ed3 17.Bd3 Ne5 18.Bc2 Nfg4 19.Ne7 Kh8 20.h3 Nf2+– 21.0–0 Nh3 22.gh3 Rf1 23.Kf1 Bh3 24.Kf2 Re8 25.Ra5 h6? 26.Ng6 Ng6 27.Bg6 Rf8 28.Kg3 Bf5 29.Bf5 Rf5 30.e4 Rg5 31.Kh3 Rh5 32.Kg4 Rg5 33.Kf4 Rg2 34.Ke3 de4 35.Ne4 g5 36.Ra6 h5 37.Rc6 Kg7 38.Rc5 Kg6 39.Ng5 Rg5 40.Rg5 Kg5 41.b4 h4 42.Kf3 1–0. kamret (2180) – peti0815 (2085), GameColony.com, 2003.

4.Nd4 d5 5.d3 Nf6 6.Bg5 Be7 7.e3 0–0 8.Be2 b6 9.0–0 c5 10.Nc2 Nc6 11.b5 Ne5 12.d4 Ng6 13.c4 Be6 14.Nd2 h6 15.Bf6 Bf6 (< 15...gf6 16.cd5 Bd5 17.f3+=) 16.Rc1 f4 (16...dc4 17.Nc4 Qd5 18.dc5 bc5 19.Na1=+) 17.Bh5 Nh4 18.Bg4 Qd7 19.Be6 Qe6 20.cd5 (20.dc5 Rad8 21.ef4 Bc3=) 20...Qf5 21.g3+/– Qh3 22.gh4+– f3 23.Ne1 cd4? 24.Ne4 Be5 25.Ng3 de3 26.Nf3 ef2 27.Rf2 Bg3 28.hg3 Qg3 29.Kf1 Rae8 30.Rc3 Qh3 31.Kg1 Rf4 32.Qf1 Qf5 33.Qd3 Qf6 34.d6 Rd8 35.Rd2 Rg4 36.Kh2 Qf4 37.Kh1 Qg3 38.d7 1–0. b4_player (2250) – avargas (1925), GameColony.com, 2003.

4.Nd4 d5 5.g3=+.

4.Nd4 d6 5.d3= Nf6 6.Bg5 Be7 7.e3 Bd7 (Better is 7...c5!? 8.Nc2 Nbd7=) 8.Bf6+/– Bf6 9.de4 fe4 10.Qh5 g6 11.Qd5 Bd4 (11...Nc6 12.Qe4 Kf7 13.Bc4 Kg7 14.0–0+/–) 12.Qd4 (12.ed4?! Bc6 13.Bb5 Qe7=) 12...0–0? (Better is 12...Rf8 13.Qe4 Kf7+/–) 13.Bc4+– (13...Rf7 14.Qe4+–) 1–0. b4_player (2175) – Frip (1990), GameColony.com, 2003.

2.c3 Qf6

3.a3 c5 4.Bb2 cb4 5.ab4 a5 (5...d5!?+=) 6.ba5 Bc5 7.e3 Ne7 8.Qc1 (8.d4 ed4 9.cd4 Nbc6+/–) 8...Ng6 9.Nf3 Nf4?? (better is 9...Nc6+=) 10.ef4+– b6 (10...Qf4 11.d3+–) 11.ab6 (better is 11.fe5 Qf4+–) 11...Ra1 12.Ba1 Qb6 13.Qb2 Bf2 14.Kd1 Qb2 15.Bb2 Be3 16.fe5 Bb6 17.d4 0–0 18.Bd3 Re8 19.Kc2 f6 20.ef6 gf6 21.Re1 Re1 22.Ne1 Bd4 23.cd4 f5 24.Nf3 f4 25.Nc3 h5 26.h3 h4 27.Nh4 d5 28.Nf3 Bh3 29.gh3 Nd7 30.Ne5 Ne5 31.de5 d4 32.Ne2 f3 33.Nd4 1–0. Fournier,Frederic (2040) – celmo (1740), Owl21.com, 2009.

3.a4 Nh6 4.b5 Ng4 5.Nh3 d6 6.e3 Nh6 7.f4 Bg4 8.Be2 Be2 (better is 8...Bh3!? 9.gh3 Qh4 10.Kf1 Qh3 11.Kg1 Nd7–/+) 9.Qe2+= Be7 10.fe5 Qe5 11.d4 Qd5 12.Nf4 (12.e4 Qe6+/–) 12...Qf5 (12...Bh4!? 13.Kf1 Qb3+=) 13.Qf3 Nd7? (better is 13...c6+=) 14.Qb7+– 0–0 15.Qc7 Ng4 16.h3 (better is 16.0–0!? d5 17.c4 dc4 18.Qc4+–) 16...Bh4+= 17.Ke2 Ndf6 18.Qd6?? (better is 18.hg4 Qg4 19.Kd2+–) 18...Qc2–+ 19.Nd2 Ne4 20.hg4 Ng3?? (better is 20...Nd6 21.Rh4 g5–+) 21.Kf3= Nh1 22.Ne6?? Qd1 23.Ke4–+ Rfe8 24.d5 Ng3 25.Kd3 Be7 26.Qg3+– fe6 27.d6 Red8 28.Ba3?? Qa4 29.Ke2 Bf6 30.Bb2?? Qb5 31.Ke1 e5 32.c4?? Qb2–+ 33.Rb1 Qc2 34.g5 Rd6 35.Rd1 Qg6 36.Qf3 Bg5 37.Qa8 Kf7 38.Qa7 Ke6 39.c5?? Bh4 40.Kf1 Qf5 41.Kg1 Qf2 42.Kh1 Rd2 43.Qb6? Kf5 44.e4 Kf4 45.Rg1 Kg3 46.Qb3–+ Kf4 47.c6?? Bd8 48.Qf7 Kg3 49.Qg7 Kf4 50.Qf7 Ke3 51.Qb3? Kf4 52.g3?? Kg4 53.Qg8 Kf3 54.Qf7 Ke4 55.Qh7 Ke3 56.Qa7 Kf3 57.Qf7 Ke3 58.Qf2?? Rf2 59.g4? Rc2 60.g5 Rc6 61.g6 Kf2 62.g7 Rh6 0–1. maddoxdb – rondol, gameknot.com, 2012. (=1.c3 e5 2.b4 Qf6)

3.Bb2 (--> 1.b4 e5 2.Bb2 Qf6 3.c3).

3.Qb3 d6 4.e4 Nh6 5.h3 Be6 6.Qa4 Bd7 7.Qa5 b6 8.Qa3 g5 (8...Bc6 9.d3+=) 9.Be2 Bc6 10.f3 Be7 11.b5 d5 12.Qa4 Bd7 13.ed5 a6 14.Na3 0–0 15.Qe4 Bf5 16.Qc4 Rc8 17.Bd3 (17.ba6 Na6 18.g4+=) 17...a5?? (better is 17...Ba3 18.Bf5 ab5–/+ (18...Qf5?! 19.Ba3 ab5 20.Qb4+=)) 18.Ne2 Bc5 19.Bf5 Nf5 20.g4 (better is 20.Qg4!? Ba3 21.Ba3+–) 20...Nd6 21.Qd3 Nd7 22.Kd1 Qg6 (better is 22...Re8!? 23.Ng3 Qf4=) 23.Qg6+= hg6 24.h4 (24.Nc2 Nb5 25.Rb1 Na7+=) 24...f6 (24...e4 25.fe4 Ne4 26.Kc2=) 25.Ng3 White prepares the advance h5 (25.hg5 fg5 26.d4 ed4 27.cd4 Bb4+/–) 25...Kg7 (25...Ba3 26.Ba3 Nb5 27.Bb2 gh4 28.Rh4=) 26.h5 Rh8 27.Ne4 Ba3 28.Ba3 Nc4 29.Be7 Rae8 30.d6 cd6 31.Bd6 Nd6?? 32.Nd6+/– Re6 33.Ne4 a4 34.a3 Nc5? 35.Kc2 Nb3 36.Rab1 f5 37.Ng5 Rd6 38.Rhd1?? Rc8 39.h6! Kg8? 40.h7 Kg7 41.d3 Rc7? 42.Rh1 Kh8 43.Rh6 fg4 44.fg4 Nc5 45.Rf1 Rd8 46.Nf7 Rf7 47.Rf7 Nd3 48.Rg6 Nc5 49.Rb6 Ne4 50.Kc1 Ng5 51.Rfb7 Nh7 52.Rb8 Rb8 53.Rb8 Kg7 54.Re8 Kf6 55.b6 Kf7 56.Re5 Nf6 57.b7 Nd7 58.Rd5 Nb8 59.c4 Ke6 60.g5 Kf7 61.Rd8 Nc6 62.Rc8 Na7 63.b8Q Nc8 64.Qc8 Kg6 65.Qc5 Kf7 66.Qf5 Kg7 67.Qf6 Kg8 68.Qe6 Kg7 69.g6 Kf8 70.Qf7 1–0. maddoxdb – jrm12, gameknot.com, 2011. (=1.c3 e5 2.b4 Qf6)

3.d4 ed4 4.cd4 Bb4–+ 5.Nd2 Ne7 6.e3–/+ Nd5 7.Bb2 c5 8.Ngf3= g5?? 9.Qb3+– Ne7?? 10.dc5 Bc5 11.Bf6 Ng8 12.Bh8 b6 13.Qd5 Nc6 14.Bc4 Nh6 15.Ng5 Nb4 16.Qa8 Nc2 17.Ke2 Ng4 18.Qc8 Ke7 19.Bf7 Nf6 20.Qf8! Kf8 21.Bf6 Na1 22.Ra1 Be7 23.Be7 Ke7 24.Nde4 Kd8 25.Nf6 Ke7 26.Nd5 Kf8 27.Rc1 Kg7 28.Rc7 (28…Kh6 29.f4 a5 30.Rd7 Kg7 31.Be8 Kh8 32.Nf6 b5 33.Rh7#; 28.Rc8 Kh6 29.Rg8 a6 30.Nf6 d5 31.Ng4#) 1–0. juancabeta – Roseeis, internet, 2006.

3.e3 a6 4.Nf3 h6 5.Be2 d5 6.Qb3 Be6 7.c4 dc4=+ 8.Bc4 Bc4 9.Qc4= c6 10.Nc3 b5 11.Qb3 Bd6 12.0–0 Ne7 13.d4 ed4 14.Nd4 c5 15.Ne4 Qe5 16.Nd6+= Qd6 17.bc5 Qc5 18.Ba3 Qc4 19.Be7 Qb3 20.ab3 Ke7 21.Nf5 Kf6+= 22.g4 g6 23.Nd6 Nc6 24.f4 Nb4 25.Ne4 Kg7 26.Rac1 Rhe8 27.Ng3 Re3–+ 28.f5 Rae8 29.fg6–/+ fg6 30.Rc7 Kg8 31.Rcf7? Nd5 32.Kg2?? g5 33.Nh5 Re2 34.Kg3 R8e3 35.R1f3 Rf3 36.Rf3 Re1 37.Nf6 Nf6 38.Rf6 Re3 39.Kg2 a5–+ 40.Rh6 Kg7 41.Ra6–/+ Rb3 42.Ra5 Kg6 43.Ra6 Kf7 44.Rb6 b4 45.Rb5 Kf6 46.Rb6 Ke5=+ 47.Rb5 Kf4 48.Rf5? Kg4–+ 49.Rf2 Kh4 50.Re2 Kh5 51.Re4 Rb2 52.Kg3 b3 53.Re5 Kg6 54.Rb5–/+ Rb1 55.h4?? b2 56.Rg5 Kh6 57.Rb5 Rg1 58.Kf2 b1Q 59.Rb1 Rb1 60.Kg3 Kh5 61.Kh3 Rb4 62.Kg3 0–1. Tricky Rabbitt – ChessNo1, ChessWorld.net, 2005.

3.e3 b6 4.Nf3 Bb7 5.d3 Nc6 6.Be2 0–0–0 7.Bb2 Bd6 8.Nbd2 Nge7 9.Qc2 Rdg8 10.0–0 Nd8 11.h3 Ne6 12.a3 h5 13.Rad1 g5 14.Rfe1? (14.d4 g4 15.Ne5 gh3 16.g3–+) 14...g4–+ 15.hg4?? (better is 15.Nh2–+) 15...hg4 16.Nh2 (16.e4 Qh6 17.Nh4 Qh4 18.f4 Qh1 19.Kf2 g3 20.Ke3 ef4 21.Kf3 Qh5) 16...Rh2! 17.Kh2 (17.Kh2 Qf2 Mate attack) 17...Rh8 (17...Qf2 18.Nf3 Rh8 19.Nh4 Rh4) 18.Kg1 Qh4 19.g3 (19.f3 g3 20.d4 Qh1) 19…Qh1 0–1. Fournier,Frederic (1800) – rafaelbollullos (1855), Active blind, 2011.

3.e3 d5 4.d4 +=.

3.e3 Nh6 4.Nf3 c5 (4...d5 5.d3+=) 5.bc5 Bc5 (5...e4 6.Nd4 Bc5 7.d3=) 6.Be2 (6.Ne5 Qe5 7.d4 Bd4 8.cd4 Qe6+=) 6...Bb6 7.0–0 Ba5 (7...d5 8.d4 e4 9.Ne5=) 8.d3 b5 (8...0–0 9.e4+=) 9.Nbd2 0–0 10.Qc2 g5? (10...d5 11.e4 Bb7 12.Qb3+=) 11.h3 (11.Ba3 Re8 12.Ne4 Qg7+–) 11...Qg7 (11...d5 12.e4 g4 13.hg4 Ng4 14.ed5+/–) 12.Bb2 Kh8? (12...g4 13.hg4 Ng4 14.d4+/–) 13.Rab1 (13.Ne5 a6+–) 13...d5 (13...g4 14.hg4 Ng4 15.c4+/–) 14.Rfc1 (better is 14.Ne5 f6 15.Nef3+–) 14...d4? (14...g4 15.Ne5 gh3+=) 15.ed4 ed4 16.cd4 Nc6?? 17.Bf1 Bb7?? 18.Ne4 Ne7 19.Qd1 Bb6 20.a3 Bd4?? 21.Nd4+– Qd4 22.Bd4 Kg8 23.Be3 Rad8 24.Nc5 Bc8 25.d4 g4 26.Bh6 Ng6 27.hg4 Bg4 28.Qg4 Rde8 29.Bf8 Rf8 30.Qf3 Re8 31.Qg3 a5 32.Ra1 b4 33.ab4 ab4 34.Rab1 b3 35.Nb3 h6 36.Nc5 Kh7 37.Re1 Re1 38.Re1 f5 39.Rb1 h5 40.Rb8 Kh6 41.Rb7 f4 42.Qh3 Nh4 43.Qh4 f3 44.Qg3 h4 45.Qh4 Kg6 46.Qg3 (46.Qg3 Kf6 47.Qg7 Kf5 48.Rf7; 46.Bd3) 1–0. Fournier,Frederic (1820) – pedrocom (1915), Active blind, 2011.

3.e4 c5 4.a3 Nc6 5.Nf3 h6 6.b5 Na5 7.c4 d6 8.Nc3 Be6 9.d3 g5 10.Be2 Bg4 11.0–0 Ne7 12.Ne1 Be2 13.Ne2 Ng6 14.Bd2+– b6 15.Ba5 ba5 16.Qa4 Be7? 17.b6 Kf8 18.Qa5 Kg7 19.b7 Rab8 20.Ng3 Rhd8 21.Nh5 Kh7 22.Nf6 Bf6 23.Qa7 Ne7 24.Rb1 Nc6 25.Qa4 Nd4 26.g3 h5 27.Kg2 g4 28.Nc2 Nc2 29.Qc2 Rd7 30.a4 Rbb7 31.Rb7 Rb7 32.Rb1 Ra7 33.Rb5 Kg6 34.a5 Bd8 35.Qa4 Kg5 36.a6 f6 37.Rb7 Rb7 38.ab7 Bc7 39.Qe8 (39…Kh6 40.Qf7 Bb8 41.Qf6 Kh7 42.Qf7 Kh6 43.Qf8 Kh7 44.Qb8 h4 45.Qc7 Kg6 46.Qd6 Kh7 47.Qc7 Kg6 48.b8Q h3 49.Kf1 Kg5 50.Qg8 Kh5 51.Qch7#) 1–0. Seneca – rikilatic, myChess.de, 2005.

3.e4= c6 4.d3 Nh6 5.Nf3+= Qg6 6.Ne5+/– Qf6 7.Nf3 d6 8.Bg5 Qe6 9.b5 Be7 10.Nd4 Qd7 11.Bh6+– gh6 12.Nf5 Bg5 13.f4+– Bf4 14.Qg4 Bg5 15.Nd6! Kf8 16.Qd7 Bd7 17.a4 Be7 18.Nb7 cb5 19.ab5 Bb5 20.Nd2 Bc6 21.Na5 a6 22.d4 Bd7 23.Bc4 Nc6 24.0–0 Na5 25.Rf7 Ke8 26.Ra5 Bb5 27.Rf3 Bc4 28.Nc4 Rc8 29.Ne5 Rf8 30.Ra6 Rf3 31.gf3 Rc3 32.Rh6 Rc1 33.Kf2 Bg5 34.Rh7 Bf4 35.Rh8 Ke7 36.Ng6 Kf7 37.Nf4 Rc2 38.Ne2 Rd2 39.f4 Rd3 40.f5 Kf6 41.Rh5 Ra3 42.e5 Kf7 43.f6 Rd3 44.Rh7 Kg8 45.f7 Kf8 46.Nf4 Rd2 47.Ke3 Ra2 48.Ng6# 1–0. b4_player – opponent, gamecolony.com, 2008.

3.f3 b6 4.g3 Nc6 5.h4 Bb7 6.a3 Nce7 7.b5 Qe6 8.Bh3 f5 9.c4 Qc4 10.a4 Nd5 11.Bf5 Nb4 12.d3 Qd4 13.Bb2 Qb2 14.Nd2 Nd5 15.e4 Ne3 16.Qc1 Qb4 17.Ne2 Ng2 18.Kf2 g6 19.Kg2 gf5 20.Nc4 Bh6 21.Qc2 Nf6 22.Ne5 Rg8 23.Nf4 Bf4 24.Kh3 Nh5 25.gf4 Nf4 26.Kh2 Qe7 27.Rhg1 Qh4 0–1. sidekick – UKKDO, VOGChess, 2001.

3.Nf3 Nc6 4.e4 b6 5.Bb5 Bb7 6.d3 0–0–0 7.Bb2 Nce7 8.c4 Qf4 9.Bc1 a6 10.Ba4 b5 11.cb5 ab5 12.Bb5 c6 13.Bf4 1–0. pekindragons – pulaster, gameknot.com, 2012.

3.Nf3 Nh6 4.g3 (4.d3 Nc6=) 4...Ng4 (4...e4 5.Nd4 Nc6 6.Nb5=) 5.Qc2 (5.h3 Nh6 6.d3+=) 5...e4?? (better is 5...d5 6.h3 e4 7.hg4 ef3+=) 6.Bg2?? (better is 6.Qe4 Qe6 7.Qe6 fe6 8.d4+/–) 6...ef3–+ 7.Bf3 d6 (7...d5 8.d4 Be6 9.h3–+) 8.Qa4 (8.Na3 Qg6–+) 8...c6 9.0–0 Qh6 (better is 9...Be7–+) 10.h3?? (10.h4–+) 10...Qh3 11.Rd1 (11.Bg4 Bg4 12.b5–+) 11...Qh2 12.Kf1 Qf2 0–1. Cabral,Maria Eduarda Felix – Inhan Matos,Daniel, Juiz de Fora BRA, Open, 2014. (=1.c3 e5 2.b4 Qf6)

3.e3 c5

4.a3 cb4 5.ab4 Bd6 6.Na3 Ne7 7.Bb5 0–0 8.Qf3 Qg6 9.e4 Nec6 10.Qg3 (10.d3+=) 10...a6 (better is 10...Qe4 11.Ne2 Be7+=) 11.Qg6+/– fg6 12.Bc6 dc6 13.Nc4 Rd8? (13...Bc7!?=) 14.Nb6 (worse is 14.Nd6 Rd6 15.Nf3 Nd7+/–) 14...Ra7 15.Ne2 Bc7 16.Nc4 Be6 17.Ne3 b5 18.f3 Bb6 19.Ng4 Bg4 20.fg4 c5 21.bc5 Bc5 22.Ba3 Ba3 23.Ra3 Nd7 24.0–0 Nc5 25.Rd1? (better is 25.d4 Ne4 26.de5=) 25...Ne4–+ 26.Ng3? (better is 26.d4–+) 26...Nd2 27.Rda1 Nc4 (27...Rd6 28.Kf2–+) 28.R3a2? (better is 28.Ra6 Ra6 29.Ra6 Rd1 30.Kf2 Rd2 31.Ne2–+) 28...Rd3 (better is 28...a5 29.Kf2–+) 29.Ra6 Ra6 30.Ra6 Rc3 31.Ne4 Nb2 1–0. maddoxdb – deezer4u, gameknot.com, 2012. (=1.c3 e5 2.b4 Qf6 3.e3 c5)

4.bc5!? Bc5 5.d4 ed4 6.ed4 +=.

4.bc5+= Bc5 5.Nf3 Qb6 6.d3 (better is 6.Ne5 Nc6 7.Nc4+/–) 6...Be3?? (better is 6...Bd6+=) 7.Be3+– Qc7 8.Nbd2 1–0. Fournier,Frederic (1845) – RaperitO13 (1670), Active blind, 2011.

4.bc5+= Bc5 5.Nf3 Nh6 6.d3 g5? (6...Bb6 7.e4=) 7.Be2 (7.d4 ed4 8.ed4 g4+/–) 7...Qg7 (7...g4 8.Nfd2 d5 9.d4+=) 8.Nbd2 0–0 9.Bb2 Kh8 10.Rb1 Rg8 (10...d6 11.d4 g4 12.dc5 gf3 13.Bf3 dc5 14.Ba3+/–) 11.Qc2 (11.Ne5 d5+–) 11...g4 (11...d6+/–) 12.Ng1 (12.Ne5 d6 13.Nec4 d5+–) 12...g3? (12...b6 13.Ne4=) 13.fg3?? (13.hg3 Be7+–) 13...Bd6? (better is 13...Be3!? 14.Nc4 Bg1 15.Rg1 d5+=) 14.Ngf3 e4? 15.de4 Bg3? 16.hg3 Nf5 17.ef5 d6 18.g4! Bf5 19.gf5 Qg2 20.Rg1 Qg1 21.Ng1 Rg1 22.Kf2 Rb1 23.Qb1 f6 24.Qg1 Nd7 25.Nf3 Rg8 26.Qg8! Kg8 27.c4 Kf8 28.e4 h5 29.a3 h4 30.Nh4 Ne5 31.Be5 de5 32.Ng6 (32.Ng6 Ke8 33.c5+–) 1–0. Fournier,Frederic (1915) – marcelocom (1885), Active blind, 2011.

4.bc5+= Bc5 5.Nf3 Nh6 6.Be2 (6.Ne5 Qe5 7.d4 Bd4 8.cd4+=) 6...Qb6 (6...e4 7.Nd4=) 7.0–0 (7.Ne5 d5+/–) 7...Qa5 (7...e4!? 8.Nd4 d5=) 8.Qc2 (8.Ne5!? Be7 9.d4+–) 8...Nc6 9.Bb2 Nd4?? (better is 9...d5+=) 10.ed4 (10.Nd4?! ed4 11.cd4 Be7+–) 10...ed4 11.cd4 Bb4 12.Re1 0–0 13.d3 Be1–+ 14.Ne1 Qb6?? 15.Nf3 Re8 16.Nc3 Re2?? 17.Ne2 d6 18.Ng3 Bd7 19.Re1 Bc6 20.a3 Ng4 21.Qc3 d5 22.Qc2 Bd7 23.Qe2 Rc8 24.Ne4! de4 25.de4 Bc6 26.d5 Bb5 27.Qd2 Nf2? 28.Qf2 Qf2 29.Kf2 Rc2 30.Kg1 Rb2 31.Rf1?? Bf1–+ 32.Kf1 Rb1 33.Kf2 Rb2 (33...Rb2 34.Kf1 Ra2–+) 0–1. Fournier,Frederic (1830) – pedrocom (1890), Active blind, 2011.

4.Qf3 cb4+= 5.Qf6 Nf6 6.a3 bc3 7.Nc3 a6 8.a4 b6 9.a5 b5 10.Nf3 Bd6 11.Ba3? (better is 11.d4!? e4 12.Ng5–+) 11...b4 12.Na4 ba3 13.Nb6 Bb7 14.Na8 Ba8 15.d4 ed4 16.Nd4 0–0 17.f3 Rc8 18.Be2 Rc3 19.Nf5 Bb4 20.Kf2 Ba5 21.Rhb1 Nc6 22.Ba6 Nb4 23.Rd1 (23.Rc1 Rc1 24.Rc1–+) 23...Na6 24.Rdc1 Rc1 25.Rc1 Bc6 26.Nd4 h6 (better is 26...a2!? 27.Nb3 Nb4 28.Kf1–+) 27.Ra1 Bb4 28.Nc2 d5 (better is 28...Bc5 29.Na3 Nd5 30.Nc2–+) 29.Nd4 (29.Nb4 Nb4 30.Ra3 Bb5–+) 29...Bd7 (better is 29...Ba4 30.g4–+) 30.Nc2 Bb5 31.Nb4 Nb4 32.Ra3 Nd3 33.Kg1 Kh7 34.Rb3 Bc4 35.Rb7 Kg6 36.h3 Nc5 37.Rc7 Ne6 38.Rc6 h5 39.h4 Bd3 40.f4 Kf5 41.g3 Ne4 42.Kg2 f6 43.Rc8 Kg4 44.Re8 N4c5 45.Kf2 Kh3 46.f5 Bf5 47.Ra8 Ne4 48.Kg1 Kg3 49.Ra2 Kh4 50.Rh2 Kg5 51.Kg2 h4 52.Kf3 Kh5 53.Rg2 g5 54.Ke2 h3 55.Rg1 g4 56.Kd3 g3 57.Rc1 g2 58.Ke2 Kg4 59.Rg1 Kg3 60.Ke1 h2 61.Rg2 Kg2 62.Ke2 h1Q 63.Kd3 Qd1 0–1. maddoxdb – leonardo02 (1720), gameknot.com, 2012. (=1.c3 e5 2.b4 Qf6 3.e3 c5)

3.e4 Qg6

4.d3 d6 5.Nf3 Nf6 6.h3 h6 7.Nh4 Qh7 8.Be2 Be7 9.Nf3 0–0 10.0–0 Be6 11.Na3 a5 12.Qa4 Nbd7 13.ba5 d5 14.ed5 Nd5 15.Nb1 Qg6 16.Qe4 f5 17.Qa4 e4 18.Nd4 Nc5 19.Qd1 Bf7 20.c4 Nb4 21.de4 fe4 22.Ba3 Ne6 23.Bh5 Qf6 24.Bf7 Rf7 25.Nb3 Qg6 26.Bb4 0–1. Fritz 5.32 – Fritz 6, 2005.

4.h4 Qe4 5.Ne2 Be7 6.f3 Bh4 7.g3 Bg3 0–1. Besiktasli – Samuel, VOGChess, 2001.

2.c3 Nf6

3.a4 (--> 1.b4 Nf6 2.a4 e5 3.c3).

3.Qa4 Nc6 4.d4 ed4 5.b5 Nb8 6.cd4 d5 7.Nc3 Bf5 8.Nf3 Bd6 9.Bg5 Nbd7 10.Nd5 0–0 11.e3 Be4 12.Nf6 Nf6 13.Nd2 Bd5 14.Bc4 Bc4 15.Nc4 (15...Be7 16.0–0+/–) 1–0. Trkn – guest441, ICC, 2004.

3.Qa4 g6 4.Nf3 e4 5.Ne5 Bg7 6.d4 ed3 7.Nd3 0–0 8.b5 a6 9.h4 b6 10.h5 Nh5 11.Ba3 Re8 12.Bb2 Bb7 13.Nd2 Qe7 14.Rh3 Bg2?? (Better is 14...Qg5 15.Qh4 Qh4 16.Rh4 ab5–/+) 15.Re3+– Qe3 16.fe3 Bf1 17.Nf1 c6 18.c4 Bb2 19.Nb2 d5? 20.bc6 b5 21.cb5 Nf6 22.b6 Re4 23.b7 Ra7 24.c7 Rb7 25.c8Q Kg7 26.Qe4! Ne4 27.Qb7 (27…Nf6 28.Qb8+–) 1–0. orane (2175) – cookboy50, Live Game Caissa's Web, 2004.

3.Bb2 Bb4?? 4.cb4+– 0–0 (4...d6 5.d4 ed4 6.Qd4+–) 5.a3 (5.Be5 d6 6.Bc3 Bg4+–) 5...Nc6 (5...d6 6.d4 ed4 7.Qd4+–) 6.e3 (6.b5 Nd4+–) 6...d5 (6...a6 7.Nf3 d6 8.d4+–) 7.Nf3 (7.b5 Na5 8.Be5 Nc4 9.Bf6 Qf6+–) 7...d4 (7...e4 8.Nd4+–) 8.Be2 Nb4?? 9.ab4 de3 10.de3 Qd1 11.Bd1 Bg4 12.0–0 Rad8 13.h3 Bh5 14.Nc3 Rd7 15.b5 Rfd8 16.Be2 Bf3 17.Bf3 e4 18.Be2 c5 19.Rfd1 Rd1 20.Rd1 Rd1 21.Nd1 g6 22.f3 ef3 23.Bf3 b6 24.e4 Nd7 25.Kh1 f5 26.ef5 gf5 27.Nf2 Kf7 28.Ne4! fe4 29.Be4 Nf6 30.Bf6 Kf6 31.Bc6 h5 32.Kg1 h4 33.Kf1 Kg7 34.Ke2 Kf7 35.Kf3 a5 36.Be4 Ke7 37.Bb1 c4 38.g3 hg3 39.Kg3 a4 40.h4?? c3 41.Kh3 c2 42.Bc2+– a3 43.Bb1 a2 44.Ba2 Kd6 45.Bb1 (45.Bb1+–) 1–0. Fournier,Frederic (2015) – renodiablo, Active Blind, 2008.

3.Bb2 Nc6 4.e3 d5 5.Nf3 g6 (5...e4!? 6.Nd4 Nd4 7.ed4 Bd6–/+) 6.d3 Bf5 (6...Bd6 7.b5 Ne7 8.c4=) 7.Be2 (7.b5 Na5+=) 7...Bd6 8.0–0 0–0 9.Qc2 a6 10.Nbd2 b5 (10...e4!? 11.de4 de4+=) 11.e4 de4 12.de4 Be6 13.Rfd1 Nd4?? (better is 13...Nh5+=) 14.cd4+– ed4 15.Bd4 (15.Nd4 Qe8+–) 15...Ng4 (15...Bb4 16.a4 ba4 17.Ra4+–) 16.Bb2 Nh2 17.Nh2 c6 18.Nhf3 Qc7 19.Nf1 Rad8 20.a3 Bh2 21.N1h2 Rd1 22.Rd1 Bc4 23.Bc4 bc4 24.Rc1 c5 25.bc5 c3 26.Qc3 a5 27.Qg7 1–0. Fournier,Frederic (1880) – LUISPABLO (1630), Active, 2009.

3.Qb3 Be7 4.d3=+ 0–0 5.e4 d6 6.Be3 Be6–/+ 7.c4 b5 8.Nc3=+ bc4 9.dc4 Nbd7 10.0–0–0 Rb8 11.a3 d5?? 12.cd5+/– Bg4 13.f3 Bh5 14.g4 Bg6 15.Ba7 Ra8 16.Nb5 Qc8 17.Qa4?? c6 18.dc6=+ Nb6 19.Qa5?? Qc6–/+ 20.Kb2 Rfc8 21.Kb3?? Qc2# 0–1. jimmyjazz – satana12, internet, 2007.

3.d3 Nc6 4.Bg5 d5 5.e3 Bd6 6.Nd2 Be6 7.Ngf3 Qe7 8.Be2 0–0–0 9.b5= Nb8 10.0–0 h6 11.Bh4 e4 12.Nd4 Nbd7 13.f3 ef3 14.Bf3 Kb8 15.a4 Nc5 16.Qb1 g5 17.Ne6? fe6 18.Bg3 Bg3–/+ 19.hg3 h5 20.d4 Rd6?? 21.dc5+– Rdd8 22.Qb4 Nd7 23.a5 Nc5 24.b6 cb6 25.ab6 Na6?? 26.ba7 Ka7 27.Qe7 (27...Ka8 28.Rfb1+–) 1–0. bar (1965) – oracleinshadows, net–chess.com, 2005.

3.d3 h6 4.e4 c5 5.a3 d5 6.Nd2 d4 7.cd4 cd4 8.Be2 b5 9.Ngf3 Nc6 10.h3 Bd6 11.Nh2 0–0 12.0–0 Be6 13.Nb3 a5 14.ba5 Na5 15.Na5 Ra5 16.Ng4 Ng4 17.Bg4 b4 18.Be6 fe6 19.a4 Qb6 20.Qg4 Be7 21.Bh6+/– Bf6 22.f4 ef4 23.Rf4 e5 24.Rf5 Ra6 25.Raf1 Qd8?? 26.Bg7!! (26…Bg7 27.Rf8 Qf8 28.Rf8 Kf8 29.Qc8 Kf7 30.Qb7 Kg6 31.Qa6 Bf6 32.a5+–) 1–0. Dabrowski,Bohdan – NN, ZDK–Sarzyna Poland, 1986.

3.d4 d6 4.Bg5 (4.de5 de5 5.Qd8 Kd8=) 4...Be7 (4...h6 5.Bf6 Qf6 6.e3–/+) 5.e3 (5.de5 de5 6.Qd8 Bd8+=) 5...0–0 (5...Nbd7 6.Nd2–/+) 6.Bd3 (6.de5 de5 7.Qd8 Rd8–/+) 6...ed4 7.cd4 d5 (better is 7...c5!?–/+) 8.Qc2 1–0. maddoxdb – jarrred, gameknot.com, 2012. (=1.c3 Nf6 2.b4 e5)

3.e3 a5 4.ba5=+ Ra5 5.Be2 Nc6 6.a3 Be7 7.Nf3 e4 8.Nd4 Nd4 9.cd4 b6 10.0–0 Ba6 11.d3 Bd3 12.Bd3= ed3 13.Bd2 Ra6 14.Bc3 Nd5 15.Qd3= Nc3? 16.Nc3?? Ra3= 17.Ra3 Ba3 18.Nb5 Be7 19.Rc1 c6=+ 20.Nc3 0–0 21.Na4 b5 22.Nc5 Bc5 23.dc5 g6 24.Rd1 Qa5 25.Qd7+= Qa4 26.h3 Kg7 27.Qd4 Qd4= 28.ed4 Rb8 29.Kf1 Kf6 30.Ke2 Ke6 31.Kd3 Kd5 32.Re1+= b4?? 33.Re5# 1–0. rriicchhhh – QxQ02, Live Game Caissa's Web, 2005.

3.e3 a6 4.a4 d5 5.b5 ab5 6.Bb5 c6 7.Be2 Bd6 8.Ba3 c5 9.d4 cd4 10.cd4 Qa5 11.Kf1 Ba3 (11...Qa4?? 12.Qa4 Ra4 13.Bb5 Bd7 14.Ba4+–) 12.Ra3 e4 13.Qc2 0–0 14.Nh3 Bh3 15.gh3 Nc6 16.Bb5 Nb4 17.Qd2 Nd3 18.Bd3 Qd2 19.Nd2 Rfc8?? (better is 19...ed3 20.Kg2 Ne4 21.Rd3 Ra4 22.Ne4 de4=) 20.Bb5+– Rc1 21.Kg2 Rc2 22.Nb3 b6 23.Rc1 Rc1 24.Nc1 h5 25.Ne2 g5 26.Nc3 h4 (26...Rc8+–) 27.Bc6 Rd8 28.a5 ba5 (28...Rd6 29.Ba8 ba5 30.Ra5+–) 29.Ra5 Kg7 30.Bd5 Rc8 (30...Nd5 31.Nd5 (worse is 31.Rd5 Rd5 32.Nd5 Kg6+–) 31...f5 32.f3 ef3 33.Kf3+–) 31.Ne4 Ne8 (31...Ne4 32.Be4 f6 33.Ra7 Kf8 34.Bd5+–) 32.Ng5 Kg6 (32...Rc7 33.Nf3+–) 33.Bf7 Kf6 34.Be8 Re8 35.Nf3 Rg8 36.Kf1 1–0. maddoxdb – davidhorton, gameknot.com, 2013. (=1.c3 e5 2.b4 Nf6)

3.e3 d5 (--> 2.c3 d5 3.e3 Nf6).

3.e3 Bd6 4.a4 0–0 5.b5 Nd5 (5...Be7 6.d4 d6 7.Ba3+=) 6.Bc4 Nf6 7.Ba3 (7.Bf1!?=) 7...Ba3+= 8.Na3 d5 9.Be2 Ne4 10.f3?? (better is 10.Nf3+=) 10...Qh4–+ 11.g3 Ng3! 12.hg3 (12.hg3 Qh1 Pinning (12...Qh1 Deflection)) 12...Qh1 13.Kf1 (13.Kf2 Qh2 14.Kf1 Qg3 15.Qe1 Bh3 16.Nh3 Qh3 17.Kg1–+) 13...Bh3 14.Ke1 (14.Kf2 Qg2 15.Ke1 Qg3) 14...Qg1 15.Bf1 Qf1 0–1. maddoxdb – bearded_bishop, gameknot.com, 2013. (=1.c3 Nf6 2.b4 e5 3.e3 Bd6)

3.e3 Be7 4.a4 d5 5.a5 0–0 6.Nf3 e4 7.Nd4 c5 8.bc5 Nc6 9.Nc6 bc6 10.Ba3 Be6 11.Be2 (11.Qa4 Qc7+=) 11...Rb8 (11...Qa5!? 12.d4 ed3 13.Bd3 Rfb8–/+) 12.Qa4+= Qc7 13.Bb4 Nd7 14.a6 Ne5 15.Ba5 Qd7 16.Bb4 Bf6 17.f4 Nd3 18.Bd3 ed3 19.0–0 Rfe8 20.g3? (better is 20.Na3+=) 20...Bh3–+ 21.Rf2 h5 (better is 21...d4!?–+) 22.Na3–/+ h4 23.Ba5? (23.Kh1 Bf5 24.Kg1 Be4–+) 23...hg3?? (better is 23...Qg4 24.Kh1 hg3 25.hg3 Qg3–+) 24.hg3–/+ Bf5 25.Qd1 Be4 26.Rh2 Qf5 27.Qh5 Qh5 28.Rh5 Rb2 29.c4? Rd2! 30.Bd2 Ba1 31.Nb1? Bf6 32.Kf2? Rb8 33.Nc3 Rb2 34.Ke1 Bc3 35.Bc3 Re2 36.Kf1 Re3 37.Rh2 Rg3 38.Kf2 Rf3 39.Ke1 Rf4 40.Rg2 Bg2 0–1. maddoxdb – jaguar100, gameknot.com, 2012. (=1.c3 e5 2.b4 Nf6 3.e3 Be7)

3.e4 d5 4.ed5 Qd5 5.Qb3 Qe4 6.Ne2 Be6 7.f3? Bb3 8.fe4 Bc2 9.Ng3 Ne4 10.Ne4 Be4 11.d3 Bd5 12.Bd2 Nd7 13.c4 Be6 14.Be2 0–0–0 15.0–0 f5 16.a3 h6 17.g3 g6 18.Nc3 Nf6 19.Be3 Ng4 20.Ba7 Bg7 21.Rad1 b6 22.c5 Kb7 23.Bb6 cb6 24.Bf3 Ka6 25.Bg4 fg4 26.c6 Bf5 27.Rf2 Rd4 28.Rfd2 Rhd8 29.Ne2 R4d6 30.a4 b5 31.d4 ba4 32.d5 Kb5 33.c7 Rc8 34.Rc1 a3 35.Nc3 Kb4 36.Na2 Kb5 37.Nc3 Ka5 38.Ne2 Kb6 39.Ra2 Rc7 40.Rc7 Kc7 41.Ra3 Kd8 42.Ra7 Bd7 43.Ra8 Ke7 44.Nc3 e4! 45.Ne4 Rd5 46.Ra2 Rd1 47.Kf2 Rh1 48.Ke3 Re1 49.Re2 Bd4 50.Kd2 Re2 51.Ke2 Bg1 52.Kf1 Bh2 53.Kf2 Bc6 54.Nd2 Bg3 55.Kg3 h5 56.Nc4 g5 57.Ne5 Bb7 58.Kf2 Ke6 59.Ng4 hg4 60.Kg3 Kf5 61.Kf2 Kf4 62.Kf1 Kg3 63.Ke2 Kh2 64.Kd2 g3 65.Kc3 g2 66.Kc2 g4 67.Kb2 g1Q 68.Kc3 Qe3 69.Kb4 g3 70.Kb5 g2 71.Kb4 g1Q 72.Ka4 Qb6 0–1. smarthink.exe – duke_1.exe, computer chess game, 2002.

3.f3 Nc6 4.g4?? (4.b5 Ne7+=) 4...d5 (4...Ng4 5.e3 Qh4 6.Ke2 Qf2 7.Kd3 e4 8.Kc4 Nh2 9.Bh3 d5 10.Kb3 Nf3 11.Bc8 Rc8 12.Nf3 Qf3 13.Qf3 ef3 14.Rf1–+) 5.Bb2?? (5.d4 Nd7 6.g5 ed4–/+) 5...e4 (5...Ng4 6.e4 de4 7.Ke2 ef3 8.Nf3–+) 6.fe4?? (6.g5 Nh5 7.fe4 de4–/+) 6...de4 (better is 6...Ng4 7.Nf3 de4–+) 7.a3?? (better is 7.g5 Nd5 8.Qc2–/+) 7...Ng4–+ (7...Bg4?! 8.Bg2–+) 8.Nh3 (8.h4 Bd6 9.Qa4 Bg3 10.Kd1 Nf2 11.Kc1 Nh1 12.b5–+) 8...g6 9.c4?? f6 10.Bg2–/+ Bf5 11.d3?? ed3 12.ed3 Bd6 13.Qe2 Qe7 14.Qe7 Be7 15.Bc3 Bd3 16.b5 Nce5 17.Bb7 Rb8 18.Bg2 Nc4 19.Rg1? Nge3 20.Nf2 Nc2 21.Kd1 Na1 22.Nd3 Rb5 23.Ba1?? Rb1–+ 24.Nc1 Ra1 25.Re1 Ne5 26.Kd2 Ra3 27.h3 Bb4 28.Kd1 Be1 29.Ke1 Nd3 30.Kd2 Nc1 31.Kc1 0–0 32.Kb2 Re3 33.h4 Re2 (33...Re2 34.Kc3 Rg2–+) 0–1. kevtheman – slsl2008, gameknot.com, 2011. (=1.c3 e5 2.b4 Nf6 3.f3 Nc6)

3.f3 d6 4.e4=+ Be7 5.Bb5 c6 6.Ba4 0–0 7.d3 Nbd7 8.c4 Nb6 9.h3 Na4 10.Qa4–/+ Bd7 11.Bg5 h6 12.Bf6 Bf6 13.Nc3 Bh4–+ 14.Kf1 Bg3 15.Nce2 Bh4 16.d4?? Bf6 17.c5 ed4 18.Nf4 Be5 19.Nh5? g6 20.Ne2 gh5 21.h4 d3 22.Nc1 Ba1 23.Nd3 b5 24.Qb3 Be6 25.Qb1 Bg7 26.Ke2 d5 27.ed5 Bd5 28.Nf4 Bc4 29.Kf2 Qd2 30.Kg3 Be5 31.Qe4 Rae8 32.Re1 Bd3 33.Re2 Be2 (34.Qe5 Re5–+) 0–1. Bogdan – MichaelKnopf, mySchach.de, 2005.

3.Nf3 a6 4.Ne5= Bd6 5.d4 0–0 6.Qd3 Be5 7.de5 Ng4 8.Qg3 d6 9.ed6 Qd6 10.Bf4 Qd7 11.Nd2 Rd8 12.Ne4 Qa4? (Better is 12...Qc6 13.Bc7 Re8+/–) 13.Bc7 Re8 14.Nd6 Nc6 15.Ne8 Bf5 16.Ng7 Kg7 17.h3 h5 18.hg4 hg4 19.Qh4 Qc2 20.Qh6 Kg8 21.Qh8# 1–0. Marre – nopa007, zagraj.pl, 2003.

3.Nf3 Nc6 4.d4 ed4 5.Nd4 Nd4=+ 6.Qd4 d5 7.Bg5 b6 8.e3 c5 9.Bb5 Bd7= 10.Bd7 Qd7 11.Qe5 Be7 12.0–0 0–0 13.Nd2?? Bd6–+ 14.Bf6 Be5 15.Be5 cb4 16.cb4 a5 17.Rfd1 Qe6 18.Bg3 ab4 19.Nb3 Rfc8 20.Nd4 Qf6 21.Bf4 Rc3 22.g4 Rca3 23.Nb5 Ra2 24.Rac1 Ra1 25.Nd4 R1a3 26.g5 Qg6 27.Nc6 Re8 28.Rd5?? Qe4–+ 29.Rcd1 Raa8 30.h4 b3 31.Ne5 b2 (32.h5 b1Q 33.Rb1 Qd5–+) 0–1. hris – juancabeta, internet, 2005.

3.Nf3 d5 4.Ne5 Nc6 5.Nc6 bc6 6.d4 Bf5 7.e3 Bb1 8.Rb1 Bd6 9.g3 0–0+/– 10.a3 h6 11.f4 Ne4+= 12.Qc2 Rb8 13.Bg2 a6? 14.Be4+– de4 15.Qe4 Re8 16.Qc6 Rb6 17.Qc4 a5 18.h4 ab4 19.ab4 Rb8 20.b5 Qd7 21.Qd3 f5 22.c4 Qf7 23.Kf2 c6 24.b6 g5 25.c5 gf4 26.cd6 fe3 27.Be3 h5 +/–. sbderkach (1680) – oracleinshadows (1725), net–chess.com, 2006.

3.g3 c5 4.a3 d5 5.bc5 Bc5 6.d4 ed4 7.cd4 Bb6 8.Nf3 Ne4 9.Bg2 Qf6 10.0–0 Bg4 11.Bb2 Nc6 12.Nc3 Nd4?? 13.Nd4 Qd4+= 14.Qa4 Qa4 15.Na4= Be2 (16.Nb6 Bf1 (< 16...ab6 17.Rfe1+–) 17.Na8 Bg2 18.Bg7 Rg8 19.Kg2 Kd7=). Roever,L – Gross,Wilhelm, corr, 1986.

3.g3 c6 4.Bg2 a5 5.ba5 Ra5 6.Nf3 e4 7.Nd4 Bc5 8.0–0 Bd4=+ 9.cd4 0–0 10.Nc3. guerino (2100) – ajeffries (1645), net–chess.com, 2006.

3.g4 d5 4.Bb2? (better is 4.g5!? Ne4 5.h4+=) 4...Bg4 5.f3?? (5.Bg2 c6–+) 5...Bf5 (better is 5...Ne4!? 6.h4 Be7 7.Qb3 Bh4 8.Kd1 Nf2 9.Kc1 Nh1 10.fg4–+) 6.e4? (6.d3 Nh5 7.Kd2 c5 8.bc5 Bc5–+) 6...de4 7.fe4 Be4 8.Nf3 b5! 9.Bb5 c6 10.Be2 c5 11.Ne5?? (better is 11.d3 Bb7 12.Rf1–/+) 11...Bh1–+ 12.Bb5 Nbd7 13.Bd7 (13.Qe2 Qe7–+) 13...Nd7 14.Qe2 Be7 15.Qf1 (15.Nf7 Kf7 16.Qf1 Bf6 17.Qh1 Re8 18.Kd1 cb4 19.Qd5 Kf8 20.Qd6 Re7–+) 15...Bh4 (better is 15...Ne5 16.Qh1 Nd3 17.Ke2–+) 16.Kd1 Ne5 17.Qh1 Nd3 18.Ba3 (18.Qe4 Be7 19.Kc2 Nb2 20.Kb2 cb4 21.cb4–+) 18...Nf2 (18...Nf2 19.Kc1 Nh1 20.bc5 Qg5–+) 0–1. kevtheman – steinlager, gameknot.com, 2013. (=1.c3 e5 2.b4 Nf6 3.g4 d5)

3.h3 b5 4.d3 Nc6 5.Bg5 Be7 6.Bf6 Bf6=+ 7.e4 d5 8.Na3 a6 9.Be2 d4 10.Qc2 0–0 11.Nf3 dc3 12.Qc3 Ne7 13.0–0 Re8 14.Qc5 Ng6 15.Qc2 Nf4 16.Qd2 h6 17.Nc2–/+ Bb7 18.Ne3 Bg5 19.Kh2 Ne2 20.Qe2=+ Be3 21.Qe3 Qd6 22.a3 Qf6 23.g3 Rad8 24.Nh4 g5 25.Nf5 Bc8 26.f4?? Bf5?? 27.fg5= Qg5 28.Qg5 hg5 29.Rf5 Rd3 30.Rg5 Kh7 31.h4 f6 32.Rf5 Rg8 33.Rg1 Ra3–/+ 34.Rf6 Rg4 35.Rf7 Kg6 36.Rc7 Re4= 37.Rd1? Rb4–+ 38.Rd6 Kf5 39.Rf7 Ke4 40.Rg7 Rb2 41.Kh3 Ke3 42.Rd1 Ke2 43.Rg1 e4?? 44.Rg2+– Kf1 45.Rb2 e3 46.Rf7 Ke1 47.Re7 Kd1 48.Kg4 b4 49.h5 Rd3 50.Rb4 e2 51.Rbe4 Rd2 52.Re2! Re2 53.Re2 Ke2 54.h6 (54…Kd3 55.h7+–) 1–0. tdean – JimA22, Caissa's Web, 2004.

3.a3 d5

4.d4 ed4 5.cd4 Bd6 6.Nc3 Ne4 7.f3?? Nc3 8.Qd2 Nb5 9.e4–+ de4 10.Bb5 c6 11.Bc4 ef3 12.gf3?? Be6 13.d5? cd5 14.Bd5 Bd5 15.h4 Be6 16.Bb2 Bg3 17.Ke2 Qd2 18.Kd2 Rg8 19.Ne2 Bc7 20.Rhg1 Nd7 21.Rg7 Rg7 22.Bg7 Bc4 23.Rc1 Be2 24.Ke2 Bf4 25.Rc4 Kd8 26.Rf4+= Rc8 27.Rf7+/– Kc7? 28.f4 h5? 29.f5 Re8 30.Kf3 b6 31.Kf4 Kd8 32.Kg5 Ne5?? 33.Ra7 Rg8 34.Kh5 Nc6 35.Rf7 Ke8 36.Kg6 Nd8?? 37.Rf6 b5 38.h5 Ke7 39.h6 Kd7 40.h7 Rg7 41.Kg7 Ke7 42.h8Q Nf7 43.Rf7 Kd6 44.Qb8 Kd5 45.Qb5 Kd4 46.f6 Kc3 47.Rc7 Kb3 48.Qa5 Ka2 49.f7 Ka1 50.Qe5 Kb1 51.f8Q Ka2 52.Qc3 Kb1 53.Qf1 Ka2 54.Qfa1# 1–0. wli (1700) – ajeffries (1700), net–chess.com, 2007.

4.d4 ed4 5.cd4 g6 6.f3 Bg7–/+ 7.Bb2 0–0–+ 8.e4 de4 9.h4 ef3 10.gf3 Nc6 11.b5 Ne7 12.Bh3 Nfd5 13.Nc3 Nf4 14.Bf1 Bd4 15.Nge2 Ne2 16.Be2 Bf5 17.f4 c5 18.h5 Qd6 19.Bd3 Qf4 20.Ne2 Qe3 21.Qc1 Qf2 22.Kd2 Be3 23.Kd1 Bc1 24.Rc1 Bd3 25.Re1 Rad8 26.Rc5 Be2 27.Kc2 Bd1 (28.Kb1 Qc5 29.hg6 fg6 30.Re3 Bc2 31.Ka1 Rf1 32.Bc1 Rc1 33.Kb2 Rb1 34.Ka2 Qe3 35.a4 Qb3#; 27...Bc4 28.Kb1 Rd2 29.Re2 Qg1 30.Bc1 Ba2 31.Ka1 Qd4 32.Rc3 Qc3 33.Bb2 Qb2#) 0–1. wendyli – rbrunner (2050), net–chess.com, 2007.

3.Qa4 a6

4.Nf3 b5 5.Qb3 d6 6.a4 Be6 7.Qc2 ba4 8.Ra4 Be7 9.d4 ed4 10.Nd4 Bd7 11.b5 c5 12.Nf5 Bb5 (Better is 12...0–0 13.c4 d5+=) 13.Ng7+– Kf8 14.Bh6 Kg8 15.Qf5 Qd7? (15...Ba4 16.Ne6! Bc2 17.Qg5 Bg6 18.Nd8 Bd8 19.f4+–) 16.Qf3 Bc6 17.Qg3 Ne4 18.Re4! Be4 19.Nf5 (19...Bg5 20.Qg5#) 1–0. Trkn – guest1728, ICC, 2004.

4.Nf3 b5 5.Qc2 c5 6.Ne5 cb4 7.cb4 Qe7?? (Better is 7...d5+=) 8.Qc8+– (8...Qd8 9.Qd8 Kd8 10.Nf7 Ke7 11.Nh8+–) 1–0. b4_player (2240) – JJ_86, GameColony.com, 2003.

4.Nf3 b5 5.Qb3 d6 6.a4 Be6 7.Qc2 ba4 8.Ra4 Be7 (8...Bd7!? 9.Ra1 c5=) 9.e4= 0–0 10.Be2 Nc6 11.Ba6 Bd7 12.d3 Nb4 13.cb4 (< 13.Rb4 Ra6 14.0–0 Bg4=+) 13...Ba4 14.Qa4 Qb8 (14...d5 15.Nbd2 Bd6+/–) 15.b5 (Better is 15.0–0+–) 15...d5? (Better is 15...c6 16.Qa5 Qb5 17.Qb5 cb5 18.Bb5 Rfb8=) 16.Ne5+– de4 17.de4 c5 18.Nc6 Qd6 19.Qc4 Ra6 (19...Ng4 20.Nd2+–) 20.e5 (20…Qd7 21.e6 (21.ba6?! Qc6 22.ef6 Qg2+–) 21...fe6 22.Ne7 (22.ba6 Qc6 23.0–0 Ra8–/+) 22...Qe7 23.ba6+–; 20.ba6?! Qc6 21.Nc3 Ra8=; 20.Ne7 Qe7 21.ba6 Ra8+–) 1–0. b4_player (2240) – JJ_86, GameColony.com, 2003.

3.Qa4 c6

4.Nf3 e4 5.Nd4 d5 6.d3 ed3 7.ed3 Bd6 8.Be2 0–0 9.0–0 Re8 10.Re1 Nbd7 11.Nd2 Nf8 12.N2f3 Bd7 13.Qb3 Ng6 14.Bg5 h6 15.Be3 Qc7 16.h3 Nh5 (16...a5 17.a4=+) 17.c4= Nhf4 18.c5 Be5 19.Ne5 Qe5 20.Bf1 Qf6 21.b5 Re7 22.b6 ab6 23.Qb6 Rae8 24.Qb7 Bh3 25.Qc6+/– Qg5 26.Bf4+– Nf4 27.Qe8 Re8 28.Re8 Kh7 29.Nf3 Qg4 30.Ne1 Bg2 31.Bg2 h5 32.c6 h4 33.c7 h3 34.c8Q Qc8 35.Rc8 hg2 36.Ng2 Nd3 37.Rd1 Ne5 38.Rd5 Nf3 39.Kf1 1–0. b4_player (2200) – karpovjoin, GameColony.com, 2003.

4.Nf3 e4 5.Nd4 d5 6.d3 Bd6 7.Bg5 h6 8.Bf6 Qf6 9.de4 de4 10.e3 0–0 11.Nd2 Re8 12.Qc2 Bf5 13.Nf5 Qf5 14.Rd1 Bc7 15.f3 Qg5 16.Ne4 (< 16.fe4 Qe3 17.Be2 Bh2–+) 16...Qe3 17.Qe2 Re4 (17...Qe2 18.Be2 b5 19.a3=+) 18.fe4= Qc3 19.Qd2 Qe5 20.Qd4 Qg5 21.g3 Na6 22.Ba6+/– ba6 23.Qc5 Qf6 24.Rf1+/– Qg6 25.Qe7+– Bb6 26.Rf5 Rf8 27.Rd6 Qg4 28.Rc6 Qh3? 29.Rc2+– Bd8 30.Qa7 Qg4 31.Re2 Bf6 32.Rf6 gf6 33.Qa6 Qg5? 34.Qd6 Rc8 35.Qf4 Rc1 36.Kf2 Qh5?? 37.Qc1 Qh2 38.Kf3 Qh5 39.g4 Qh3 40.Kf4 1–0. marekt (2030) – benhawkes (1835), ICC, 2003.

3.Qa4 Be7

4.d3 0–0

5.Nf3 d5 6.Ne5= c6 7.Bf4 Re8 8.Nf3 Nh5 (8...b5 9.Qa3=) 9.Bb8+= Rb8 10.Qa7 Bf5 11.e3 (11…Qc7 12.Qa4+/–) +/–. b4_player (2240) – NN, GameColony.com, 2003.

5.Nf3 d6 6.e4 Bd7 7.Qc2 Bg4 8.Nbd2 Nbd7 9.h3 Bh5 10.g4 Bg6 11.h4 h6 (11...h5 12.gh5 Bh5 13.Rg1=) 12.g5 (Better is 12.h5 Bh7 13.g5 hg5 14.Ng5+=) 12...Nh7? (Better is 12...hg5 13.hg5 Nh7+=) 13.h5+– Be4 14.Ne4 f5 15.Qb3 Kh8 16.Nh4 fe4 17.Ng6 1–0. b4_player (2235) – lanelnv (1675), GameColony.com, 2003.

5.Nf3 d6 6.e4 Bg4 7.Be2 Nbd7 8.0–0 c6 9.h3 Be6 10.Be3 b5 11.Qa6 Qc7 12.a4 Rfb8 13.ab5 cb5 14.Ng5 Nf8 15.f4 Bc8 16.Qa5 h6 17.Qc7 1–0. kamret (2195) – BamaBassMaster (1700), GameColony.com, 2003.

5.Nf3 e4 6.de4 Ne4 7.Nfd2=+.

5.Nf3 e4 6.de4 Ne4 7.e3 Bh4 8.Nh4 Qh4 9.Qc2 d5 10.Bd3 Nf6 11.Na3 a5 12.Nb5 Na6 13.ba5 c6 14.Nd6 Nc5 15.Ba3 Nd3 16.Qd3 Ng4 17.Qd2 Nh2 18.0–0–0 Ra5 (18...Rd8!?=) 19.Bb4+= Ra4 (19...Ra8!?+=) 20.Qc2 Rb4 (Better is 20...b5!? 21.g3 Qh3+/–) 21.cb4+– Qh5 22.g3 Bg4 23.Rd4 Bf3 24.Rh4 Qh4 25.gh4 Bh1 26.Nb7 Ng4 27.a4 Rb8 28.Qc6 Nf2 29.Qc7 Rf8 30.b5 Nd3 31.Kc2 Ne1 32.Kc3 Nf3 33.a5 h5 34.Nd6 Bg2 35.b6 d4 36.ed4 Nh4 37.b7 Bb7 38.Qb7 g5 39.a6 Kg7 40.a7 Ng6 41.Nc8 1–0. b4_player (2240) – THE_MONK (2010), GameColony.com, 2003.

3.Bb2 d5

4.e3 Bd6 5.Nf3 0–0 6.d3 c5 (better is 6...a5!?–/+) 7.bc5= Bc5 8.Qc2 (better is 8.Ne5!? Re8 9.Nf3+=) 8...Nc6–/+ 9.Be2 Be6 10.Nbd2 e4 (10...Re8!?+=) 11.de4= de4 12.Nd4 Bd4 13.cd4 Nd5 (13...Rc8 14.Qa4+= (worse is 14.Ne4 Nb4 15.Nf6 Qf6–+)) 14.0–0 (better is 14.Qe4!? Qa5 15.a3+/–) 14...f5= 15.Qc1 f4 (15...Rc8 16.Qb1 Qg5+=) 16.ef4?? (better is 16.Ne4 fe3 17.fe3 Rf1 18.Bf1+/–) 16...Nf4–/+ (16...Rf4?! 17.g3=) 17.Re1 Ne2?? 18.Re2= Nd4 19.Bd4 Qd4 20.Ne4 Qb6 21.Re1 Rac8 22.Qb1 Qc5?? 23.Nc5+– Rc5 24.Rd1 Bh3 25.g3 Rfc8 26.Re1 b5 27.a4 b4 28.Qb2 b3 29.Rac1 Rc1 30.Rc1 Rc1 31.Qc1 h6 32.Qb2 a5 33.Qg7 Kg7–+ (33...Kg7 34.f3 b2–+) 0–1. Fournier,Frederic – lucianferrero, Active Blind, 2008.

4.e3 Bf5 5.Nf3 Nbd7 6.d4 e4 7.Ne5 c6 8.a3 Bd6 9.Nd7 Qd7 10.Nd2 Ng4 11.Qe2 Nh2–+ 12.Rh2? Bh2 13.g3 Bg4 14.f3 Bg3 15.Kd1 ef3 16.Nf3 Qf5 17.Bg2 0–0 18.Kd2 Rfe8 19.Rf1 Re3! (20.Qe3 Bf4 21.Qf4 Qf4 22.Kc2 Qe4 23.Kb3 Qe2–+) 0–1. Steve20 – Agove, ChessWorld.net, 2007.

3.d3 d5

4.Ba3 Bd6 5.e3 0–0 6.h3 (6.Nf3!? Qe7–+) 6...Qe7 7.Nd2 a5 8.Qb3 Be6 9.d4 ed4 10.cd4 ab4 11.Bc1 (11.Bb2 b6–+) 11...b6 12.Ngf3 c5 13.Bb2 Rc8 14.Ng5 (14.Ne5–+) 14...c4 15.Qc2 c3 16.Bd3 (16.Ne6 cd2 (worse is 16...fe6 17.Nf3–+) 17.Qd2 Ne4–+) 16...cd2 17.Qd2 b3! 18.a3 (18.ab3 Ra1 Decoy) 18...Bd7 19.0–0 Ne4 20.Ne4 de4 21.Bb1 Nc6 22.d5 (22.f3 ef3 23.Qd3 g6 24.Rf3 Na5–+) 22...Ne5 23.Qd4 (23.Bd4 Nf3! 24.gf3 ef3 25.Bh7 Kh7 26.e4 Qh4 27.e5 Qh3 28.Qd3 Bf5 29.Qf3 Qf3 30.Kh2 Rh8 31.Be3 Be4 32.Rg1 Kg8 33.Bh6 Rh6) 23...Ra4 24.Qd1 (24.Qd2 Qg5 25.Be4 Re4–+) 24...Bh3! 25.f4 (25.gh3 Nf3 Double attack) 25...ef3 26.Rf2 (26.Rf3 Nf3 27.Qf3 Bg4–+) 26...Rg4 (26...Rg4 27.Bf5 Rg2 28.Rg2 Bf5–+) 0–1. 2pieR – marekt, ChessWorld.net, 2016.

4.Nd2 Bd6 5.Ngf3 0–0 6.Bb2 e4–/+ 7.de4 de4 8.Nd4 e3 9.fe3 Nd5 10.N2f3 Ne3 11.Qd3 Re8 12.Bc1 Bf4 13.g3 Bh6 14.Kf2 Na6–/+ 15.Bd2 c5 16.Nc2? Qd3 17.ed3 Nc2 18.Rd1 Ne3 19.Re1 Ng4 20.Kg2 Re1 21.Be1 Ne3 22.Kf2 Nf1 23.Rf1 cb4 24.Nd4 Bh3 25.Rg1 Re8 26.cb4 Be3 27.Kf3 Bg1 (28.Nc2 Bf5–+) 0–1. Nexxus6 – Agove, ChessWorld.net, 2007.

4.e3 Bd6 5.Nd2 0–0 6.Be2 b5 7.Ngf3 Bb7 (7...a5 8.Bb2+=) 8.d4 e4 9.Ng5 h6 10.Nh3 c6 11.f3 (11.Nb3!?+=) 11...ef3–/+ 12.Bf3 a5 13.ba5 Qa5 (13...Qa5 14.Qc2 Re8–/+) 0–1. saliamichenko – charmedones (2015), gameknot.com, 2014.

4.e3 Bd6 5.Nf3 0–0 6.Be2 Nbd7 7.Ba3 b5 8.e4 c6 9.0–0 a5 10.ba5 Ba3 11.Na3 de4 12.Ng5 ed3 13.Bd3 g6 (13...Nc5 14.Bc2–+) 14.c4 Qa5 15.Nc2 bc4 16.Bc4 e4 17.Re1?? (better is 17.Qc1–/+) 17...Qg5–+ 18.Rb1 (18.Qc1 Qc1 19.Rec1 Ne5–+) 18...Ne5 19.Bb3 Bg4 (19...Bg4 20.Qc1 Qc1 21.Rec1 Nd3–+) 0–1. csababasa – charmedones (1810), gameknot.com, 2011.

4.f3 Be7 5.a3 d4 6.c4 0–0 7.e4 a5 8.b5 Nbd7 9.g3 a4 10.Ne2 Nc5 11.Bb2 c6 12.bc6 bc6 13.Bg2 Rb8 14.Ra2 Qa5 15.Qd2?? Nd3 16.Kf1 Qd2 17.Nd2 Rb2 18.Rb2 Nb2 19.Nb1 Nc4 20.Nc1 Ba6 21.Kf2 Rb8 22.Ne2 d3 23.Nec3 Rb2 24.Ke1 Bc5 25.h3 Bf2 26.Kf1 Ne3# 0–1. arok – jaskier (2140), internet, 2007.

4.Nf3 Bd6 5.h3 Qe7 6.Bg5 Bf5 7.g3 h6–/+ 8.Be3 0–0 9.Bg2 d4 10.Bd2 dc3–/+ 11.Bc3 Bb4 12.0–0 Nc6 13.a3 Bd6 14.Nh4 Bh7 15.e3 Rad8 16.Qe2 e4 17.d4? g5–+ 18.Nf3 ef3 19.Bf3 Be4 20.d5 Nd5 21.Bd2 Nf6 22.Bc3 Ne5 23.Bg2 Bd3 24.Qb2 Bf1 25.Kf1 c6 26.Nd2 Rfe8 27.Ke2 Nfd7 28.Bb4 Nc5 29.Qd4 Ne6 30.Qa7 Bb4 31.ab4 Ra8 32.Qa8 Ra8 33.Ra8 Kg7 (34.Ra4 b5–+) 0–1. Alviss – janbs, ChessWorld.net, 2004.

4.Bg5 a6 5.Bf6 Qf6–/+ 6.Nf3 Be6 7.e3 Nd7 8.Be2 e4 9.de4=+ c5?? 10.bc5?? Nc5 11.e5 Qe7 12.0–0 g6 13.a4 Bh6 14.Nbd2 Rc8 15.Rc1 0–0 16.Qc2 Bf5 17.Qa2 Ne4 18.Bd3 Nd2 19.Qd2 Bd3 20.Qd3+/– Bg7 21.Qd5 Rcd8 22.Qe4 Rde8 23.Rb1 Be5 24.g3 Bc3+/– 25.Qd3 Ba5 26.Qd5 b6 27.Nd4 Rd8? 28.Qf3 Bc3 29.Nc6+= Qc7? 30.Rbc1?? Rd3? 31.Qe4 Rd6?? 32.Ne7 Kh8 33.Rc3?? Qc3–+ 34.Nd5 Qc5 35.Qe5?? f6 36.Qe7 Qd5 37.Qf8+– Qg8 38.Qd6 (38…Qe8 39.Rb1+–) 1–0. sburritt – oracleinshadows (1725), net–chess.com, 2006.

4.Bg5 Nc6 5.g3 Be7 6.Bg2 h6 7.Bd2 Be6 8.Nf3 0–0 9.0–0 d4 10.a3 dc3 11.Bc3= e4 12.Ne1 ed3 13.Nd3 b5?? 14.Nd2 Bd6?? 15.Bc6+– Bc4 16.Nc4 Rb8 17.Nd6 cd6 18.Rc1 Rc8 19.Bb5 Ne4 20.Bb2 Rc1 21.Qc1 1–0. guerino (2100) – oracleinshadows (1725), net–chess.com, 2006.

4.Bg5 Be7 5.Nf3 Nbd7 6.Nbd2 0–0 7.g3 h6 8.Bf6 Bf6 9.Bg2 c5 10.0–0 cb4 11.cb4 e4 12.de4 Ba1 13.Qa1 Re8 14.Nh4 Nf6 15.e3? de4–+ 16.Nb3 Qe7 17.Qc3 g5 18.Nf3 ef3 19.Bf3 Ne4 20.Qd4 Bh3 21.Rc1 Rad8 22.Qc4 Nf2! 23.Kf2 Qe3# 0–1. Nexxus6 – slogger, ChessWorld.net, 2007.

4.Bg5 Be7 5.Nf3 Nbd7 6.e4 de4 7.de4 Ne4 8.Be7 Qe7 9.Qc2 Ndf6 10.Bd3 Nd6 11.Ng5 a5 12.Nd2? ab4 13.cb4 Nd5 14.Nge4 Nb4 15.Nd6?? Qd6 16.Qb3 Nd3 17.Ke2 Nf4 18.Kf1 Qd2 19.Qb5 Kd8 20.a4 Ra4! 21.Qe5 Qd3 0–1. Omar,Gonzalo – Jemar Ninci,Roberto, corr CAPA IV–cup pr Gr/1, 1996.

4.Bg5 h6 5.Bh4 Be7 6.h3 0–0 7.Nf3 Nbd7 8.Nbd2 a5 9.b5=+ e4 10.de4 de4 11.Nd4 e3 12.fe3 Nc5 13.N2b3? Nfe4–+ 14.Be7 Qe7 15.Qc2?? Qh4 16.Kd1 Nf2 17.Kc1 Nb3 18.ab3 Nh1 19.g4 Nf2 20.Kb2 Nh3 21.Nf5 Qg4 22.Bh3 Qh3 23.Ne7 Kh8 24.Qe4 Qe6 25.Qh4 Qe3 26.Rh1 Qe2 27.Ka3 Qe6 28.Re1 Qd6 29.Ka2 Be6 (30.Re2 a4 31.Re6 Qe6 32.Ka1 ab3 33.Kb2 Qe2 34.Kb3 Qa2 35.Kb4 Ra4 36.Kc5 Rh4 37.Ng6 fg6 38.b6 Qc4#) 0–1. michaelanthony – chem1st, ChessWorld.net, 2005.

3.d4 ed4

4.Qd4 Nc6 5.Qd1 b5 6.a4+= Ba6 7.e3 Rb8 8.ab5 Bb5 9.c4 (9...Ne4 10.cb5 Bb4 11.Nd2+=) +=. Fritz 8 – NN, 2003.

4.Qd4 Nc6 5.Qd1 d5!? =+.

4.Qd4 Nc6 5.Qd1 g6 6.a3 Bg7 7.g3 d5 8.Bg2 0–0 9.Bg5 Qd6 10.Bf6= Bf6 11.Qd5+= Qd5 12.Bd5 Bd7 13.Nf3+/– Rae8 14.e3 b6 15.0–0 Ne5 16.Ne5 Be5 17.Rd1 Be6 18.f4 Bg7 19.Kf2 Bd5 20.Rd5+/– Rd8 21.Rd4?? Bd4= 22.cd4 c5 23.bc5 bc5 24.dc5 Rd1 25.h4 Rb8–+ 26.Ra2 Rdb1 27.Rc2 R1b2 28.Re2 Re2 29.Ke2 Rc8 30.Kd3 Rc5 31.e4 Ra5 32.g4 Ra3 33.Kd4 Rb3 34.f5 a5 35.h5 a4 36.Kc4 Rb8 37.hg6 hg6 (38.g5 Re8–+) 0–1. rodnel – losertoo (1860), net–chess.com, 2006.

4.Qd4 Nc6 5.Qd1 g6 6.e3 Bg7 7.Bb5 0–0 8.Nf3 a6 9.Ba4 b5 10.Bb3 Ne4 11.0–0 Nc3–/+ 12.Nc3 Bc3 13.Rb1 Bb4 14.Nd4 Bc3 15.Nc6 dc6 16.Bf7 Kf7 17.Qb3 Be6 18.Qc3 Ba2 19.Ra1 Bc4 20.Bb2? Qe7 21.Qg7 Ke8–+ 22.Qe7 Ke7 23.Rfd1 Rfd8 24.Be5 Rd1 25.Rd1 Rc8 26.f3 a5 27.Kf2 a4 28.e4 a3 29.Ke3 Ke6 30.f4 a2 31.g3 b4 32.h4 Ra8 33.Ra1 b3 34.Kd4 b2 35.Kc4 0–1. kumba – sanbarrett, net–chess.com, 2000.

4.Qd4 Nc6 5.Qe3 Be7 6.b5 Na5 7.Qg3 0–0 8.Bh6 Ne8 9.Bf4 d6 10.e3 Bf5 11.Nd2 Nf6 12.Nh3 Nh5 (12...Re8 13.Be2=+) 13.Qf3= Nf4 14.Nf4 Bf6 (14...c6!?=) 15.Nd5+/– Be6 16.Nf6 Qf6 17.Qf6 gf6 18.Bd3 c5 19.a3 c4 20.Bc2 Rac8 (20...d5!?+/–) 21.Ne4+– Rfd8 22.Rd1 f5 23.Nd6 Rc5 24.Rd4 Nb3 25.Nb7 Nd4 26.ed4 Rcc8 27.Nd8 Rd8 28.Kd2 Kg7 29.Re1 Kf6 30.f4 h5 31.g3 h4 32.Re3 Rb8 33.a4 Rb6 34.gh4 a6 35.Re5 ab5 36.Rb5 Ra6 37.a5 Kg6 38.Ke3 Kh5 39.Bd1 Kh4 40.Rb8 Kh3 41.Rh8 Kg2 42.Bf3 Kf1 43.Rg8 Ra5 44.Be2 1–0. guest488 – pomeranian (2010), ICC, 2003.

3.d4 e4

4.Qa4 a6 5.Bg5= b5 6.Qb3 d5 7.g3 h6 8.Bf4 Bd6 9.e3 Bf4 10.ef4 0–0 11.a4=+ Bb7 12.Bg2 c6 13.Ne2 Nbd7 14.0–0 Re8 15.Bh3 e3 16.Qc2 ef2 17.Rf2 Ne4 18.Rf3 Ndf6 19.g4 Bc8–/+ 20.f5 Ng5–+ 21.Bg2 Nf3 22.Bf3 Ne4 23.Nd2 Ng5 24.Re1 Nh3 25.Kg2 Qh4 26.Qd1 Ng5 27.Nf1?? Nf3 28.Kf3 Re4 29.Nfg3 Qg4 30.Kg2 Qf3 31.Kf3+– Rh4 32.Rh1 Rh3 33.Nf4 (33…Rg3 34.hg3 Bf5 35.Rh5 Be4 36.Kf2+–; better is 33.Kg4 Rg3 34.Ng3 Bd7+–) 1–0. Figjam – ogidodo, internet, 2007.

4.d5 d6 5.c4 c6 6.Nc3 cd5 7.Nd5 Be6 8.Bb2 Bd5 9.cd5 Be7 10.Nh3 Qb6 (10...Nbd7 11.Qd4=) 11.a3 Qb5 (11...a5!?=) 12.Nf4+= Nbd7 13.e3 Qb6 14.Bd4 Qc7 15.Rc1 Qd8 16.Qc2 (Better is 16.f3+=) 16...Nb6? (Better is 16...0–0!?+=) 17.Bf6 Bf6 18.Qe4 Be7 19.Bd3 Rc8 20.0–0 Rc1 21.Rc1 Qd7 22.Nh5 Kf8 23.Qd4 Bf6 24.Nf6 gf6 25.Qf6 Kg8 26.Bf5 Qe8 27.Rc7 Nd5 28.Qg5 Kf8 29.Qh6 Kg8 30.Rc8 Qc8 31.Bc8 Ne7 32.Qg5 Ng6 33.Bb7 Kg7 34.Qa5 Rb8 35.Qa7 Rd8 36.Bd5 Rf8 37.b5 Ne5 38.b6 Ng6 39.Qc7 Re8 40.Qf7 Kh8 41.Qf6# 1–0. Trkn – guest1394, ICC, 2003.

4.Bg5 d5 5.Nd2 Bd6 6.f3 (6.e3 h6 7.Bf6 Qf6+=) 6...ef3 (6...h6 7.Bf6 Qf6 8.e3–/+) 7.gf3 h6 8.Bf6 Qf6 (8...gf6?! 9.e4 c6 10.Bd3=) 9.e3 0–0 10.e4 Qh4 11.Ke2 Bh2 (11...Re8 12.Kd3–/+) 12.Qe1 (worse is 12.ed5 Qg3 13.Qe1 Re8 14.Ne4 f5 15.Qg3 Bg3–+) 12...Qe1 13.Ke1 Bg1 14.Rg1 Re8 15.Kd1 de4 16.fe4 a5 17.a3 (17.b5 h5+=) 17...ab4–/+ 18.cb4 b6 (18...Rd8 19.d5–/+) 19.Rh1 c6 20.e5 Na6 (20...Rd8 21.Rh4–/+) 21.Rc1 Nb8 22.Nb1?? (better is 22.Ra1=) 22...Rd8 23.Rh4 Bf5 24.Bg2 Bb1 25.Rb1 Ra3 26.Rc1? Rd3 27.Ke2 R3d4 28.Rd4 Rd4 29.Rb1 g6 30.b5 c5 31.Ra1 Nd7 32.Ra6 c4 33.Ke3 Rd1 34.Be4 Ne5 35.Rb6 h5 36.Kf4 Nd3 37.Ke3 Re1 38.Kd4 Nc5! 39.Bd5 Nd7 40.Rg6+= Kf8 41.Rh6 c3 42.Kc3 Re5 43.Bc6 Ke7 44.Kd4 Rg5 45.Rh8 Rg4 46.Kd5 h4 47.Rh6 Rg5 48.Ke4 Nb8 49.Rh4= Nc6 50.bc6 Rc5 51.Rh6 f6 52.Rh7 Kd6 53.Rf7 Ke6 54.Rc7 f5 55.Kd4 Kd6 56.Rf7 Rd5 57.Kc4 Kc6 ˝–˝. Korn,Lothar (1700) – Feiertag,Manfred (1770), remoteschach.de, 2008.

3.e3 Nc6

4.a3 d6 5.Qa4 Bd7 6.b5 Ne7 7.Bc4 Bf5 8.b6 Nc6 (better is 8...c6!?–+) 9.Qb3 d5 10.Be2 (better is 10.bc7!? Qc7 11.Bd5–/+) 10...ab6–+ 11.h3 Nd7 12.g4? (better is 12.d4 Be6 13.de5–+) 12...Be4 13.f3 Bb1 (13...Nc5!? 14.Qa2 Qh4 15.Kd1–+) 14.Qb1 Bc5 15.Bd3 Qh4 16.Kd1 (16.Kf1 h5–+) 16...e4! 17.fe4 de4 (better is 17...Nce5–+) 18.Be4+= Nd8 19.Nf3 Qh6 20.g5 (20.Bb7!? Nb7 21.Qe4 Qe6 22.Qb7+=) 20...Qh5= 21.Kc2 (21.Bb7 Nb7 22.Qe4 Be7 23.Qb7 0–0+=) 21...g6 22.h4 Qg4 23.d3 f5 24.Nh2?? (better is 24.gf6 Nf6 25.Rg1+=) 24...Qe2–+ 25.Bd2 fe4 26.de4 Ne5 27.Kb3 Qd2 28.Qd1 Qe3 29.Qd5 Ndc6 30.Qe6 Ne7 31.Qe5 0–0 32.Ng4+– Qd3 33.Nh6 1–0. maddoxdb – steinlager, gameknot.com, 2012. (=1.c3 e5 2.b4 Nf6)

4.a4 a5 5.b5 Na7 6.Bc4 d5 7.Be2 Bd6 8.Ba3 b6 9.Bd6 Qd6 10.Qb3 Ng4 11.h3 Nf6 12.d4 ed4 13.cd4 c6 14.bc6 Nc6 15.Bb5 0–0 16.Nf3 Nb4 17.Nc3 Ba6 18.Ba6 Ra6 19.Nb5 Qe7 20.Ne5 Raa8 21.Rc1 Rac8 22.Rc8 Rc8 23.0–0 Ne4 24.Rd1? (24.Qd1!?=) 24...Rc2 25.Nd3 Qh4 Now all is on f2 26.Rf1 Nd2 27.Qa3?? (better is 27.Qc2 Nc2 28.Rc1–/+) 27...Nf1–+ 28.Nc3 (28.Qa1 Nd3 29.Qf1 Nf2 30.Kh2 Nh3 31.Qf7 Kf7 32.Nd6 Ke6 33.Nf5 Kf5 34.e4 Qe4 35.Kh3 Qg2 36.Kh4 Qg4) 28...Nd3 29.Qd6 Qf2 30.Kh1 Qg2 0–1. maddoxdb – rizlasilvers, gameknot.com, 2013. (=1.c3 e5 2.b4 Nf6 3.e3 Nc6)

4.Qb3 d5 5.Ba3 a6 6.Ne2 Be6 7.d4 Ne4 8.f3 Nf6 9.Ng3 Bd6 10.b5 Na5 11.Qa4 b6 12.Bd6 Qd6 13.ba6 Bd7 14.Qc2 Nc4 (better is 14...0–0!?+=) 15.Bc4+= dc4 16.Nf5 Bf5 17.Qf5 ed4 18.0–0 (better is 18.cd4!? 0–0 19.Nc3+=) 18...de3–/+ 19.a4 e2 20.Re1 Qd1 (better is 20...0–0–/+) 21.Qe5 Kf8 22.Nd2?? (better is 22.Na3 Qd3 23.Re2+=) 22...Qd2–+ 23.Qd4 (23.Re2 Qd6 24.Qb5–+) 23...Qd4 24.cd4 Ra6 25.Re2 g6 (25...Nd5!? 26.Kf2–+) 26.Rc2 b5! 27.Rca2 (27.ab5 Ra1 Pinning (27...Ra1 Deflection; 27...Ra1 Decoy)) 27...ba4 (better is 27...b4!? 28.Rc1 c3 29.Rb1–+) 28.Ra4 Ra4 29.Ra4 c3 30.Rc4 Kg7 (30...Nd5 31.Rc5 c6 32.Rc6–+) 31.Rc7 Nd5 32.Rc5 Rd8 33.Kf2 f5 34.Ke1 Kf6 35.Kd1 Ke6 36.Kc2 Rb8 37.Kd3 Rb2 38.Rc6 Kd7 39.Rc5 Kd6 40.Kc4 Rb4 41.Kd3 h5 42.Rc8 Rb2 43.Rd8 Ke6 44.Re8 Kd6 45.Re5?? c2 46.Kd2 Nb4 47.Rb5 Na2 48.Rb2 c1Q 0–1. maddoxdb – matthew2525, gameknot.com, 2012. (=1.c3 e5 2.b4 Nf6 3.e3 Nc6)

4.Nf3 Bb4?? 5.cb4+– d6 6.a3 Bg4 7.Be2 e4 8.Nd4 Nd4 9.Bg4 Ng4 10.Qg4 (better is 10.ed4 Qh4 11.Qe2+/–) 10...Nc6?? (better is 10...Nc2 11.Kd1 Na1+/–) 11.0–0 (11.Qg7 Rf8 12.Qh7 f5+–) 11...0–0 12.Qd1 Qf6 13.Bb2! Qg6 14.Nc3 a5 15.Qe2 ab4 16.ab4 Nb4 17.Ra8 Ra8 18.Rb1 Nc2?? 19.Qd1 Ra1?? 20.Qc2 Rb1 21.Qb1 d5 22.Qc1 d4 23.ed4 e3 24.de3 Qc2 25.Qc2 b5 26.Nb5 c5 27.dc5 f6 28.c6 g5 29.c7 Kg7 30.c8Q h5 31.Q8c7 (31.Q8c7 Kf8 32.Ba3 Ke8 33.Q2c6; 31.Qd7 Kh6 32.Qch7) 1–0. Fournier,Frederic (1825) – jeangolaso (1610), Active blind, 2011.

4.Nf3 e4 5.Nd4 Nd4 6.ed4 a5 +=.

3.e3 e4

4.Qb3 h6 5.Bc4 Qe7 6.Ba3 d6 7.Ne2 c6 8.b5 Bd7 9.bc6 bc6?? (better is 9...Nc6 10.Qb2 Rc8+=) 10.Qb7+– d5 (10...Bg4 11.Qa8 Qc7+–) 11.Be7 Be7 12.Qa8 0–0 13.Qa7 (better is 13.Bb3 Bc5+–) 13...dc4 14.Nd4 c5 15.Nf5! Bf5 16.Qe7 Re8 17.Qc5 Rc8 (17...Be6 18.0–0+–) 18.Qf5 (18.Qf5 Nbd7 19.Qa5+–) 1–0. maddoxdb – philallis, gameknot.com, 2013. (=1.c3 e5 2.b4 Nf6)

4.d3 a6 5.de4= Ne4 6.Qf3 d5=+ 7.c4? c6 8.Bd3? Be6 9.cd5 Bd5?? 10.Be4+– Bb4 11.Bd2 Bd2 12.Nd2 0–0 13.Qh3 h6 14.Ngf3 Qf6 15.0–0 a5 16.a4 Na6 17.Qf5 Qf5 18.Bf5 Rfe8 19.Rab1 Nb4 20.e4 g6 21.ed5 gf5 22.dc6 bc6 23.h3 c5 24.Rfe1 Nd3 25.Re8 Re8 26.Rb3 Nf4 27.Rc3 Rc8?? 28.Kh2 Kg7 29.Ne5 Ne6 30.Nd7 Rd8 31.Rg3 Ng5 32.Nf3 Rd7= 33.h4 f4=+ 34.Rg4 f6 35.hg5+/– fg5 36.g3 c4? 37.gf4+– c3 38.Ne1 Rd2 39.fg5+/– Rf2 40.Kh3 h5+– 41.Rc4 Rf1 42.Re4 Rh1? 43.Kg2+– c2 44.Nc2 Rc1 45.Rc4 Kg6 46.Ne3 Re1 47.Kf2 Ra1 48.Nc2 Rc1 49.Rc5 h4 50.Kf3 Rf1 51.Kg4 Rh1 52.Rc6 Kg7 53.Rh6 Rh2 54.Ne3 Ra2 55.Rh4 Ra4 56.Kg3 Rh4 57.Kh4 a4 58.Nc4 Kg6 59.Kg4 Kg7 60.Kf5 Kg8 61.Kf6 a3 62.Na3 Kf8 63.g6 Kg8 64.g7 Kh7 65.Kf7 Kh6 66.g8Q Kh5 67.Qg3 Kh6 68.Qg6 1–0. nwishn (1900) – iboyd (1950), net–chess.com, 2006.

3.e3 g6

4.a4 b6 5.a5 ba5 6.Ra5 Nc6 7.Ra1 e4 8.Qb3 Bg7 9.Bb5 Ne5 10.Qa4 Rb8 11.Ba6?? (11.Be2 Rb7=) 11...Rb6 (better is 11...Ba6 12.Qa6 Nd3 13.Kf1 Nc1–+) 12.Bc8 Qc8 13.Qa7?? (better is 13.Ke2–/+) 13...Nd3–+ 14.Kf1 Nc1 15.Ne2 Nd3 16.Na3 (16.f3 0–0–+) 16...Ng4 (better is 16...Ra6 17.Qd4 Qa8–+) 17.Nc4 Rc6 18.Na5 (18.Qa8 Qa8 19.Ra8 Ke7 20.Rh8 Bh8 21.Na5–+) 18...Rf6 (better is 18...Ra6 19.Qa6 Qa6 20.f3–+) 19.f3 Nge5 (19...Ra6 20.Nc6 Ra7 21.Na7–+) 20.Qd4 (20.f4 d5–+) 20...Nf3! 21.Qe4 (21.gf3 Rf3 Double attack) 21...Nde5 (better is 21...Nfe5 22.Kg1 Rf2–+) 22.gf3= Rf3 23.Ke1 Qa6 24.Nf4 g5? 25.Nh5+/– Rg8?? 26.Nb3 Qa2 27.Ra2 c6 28.Ra8 Ke7 29.Rg8 Bf8 30.Qe5 1–0. maddoxdb – rocket76, gameknot.com, 2011. (=1.c3 e5 2.b4 Nf6)

4.a4 Bg7 5.b5 b6 6.Ba3 d6 7.Bb4 0–0 8.a5 Bd7 9.ab6 cb6 10.Bd6 Re8 11.Bc4 Be6 (better is 11...Bc6 12.Nf3 Qd6 13.bc6 Nc6=) 12.Bb8?? (12.Be6 Re6 13.Bb8 Qb8+/–) 12...Rb8?? (better is 12...Bc4 13.Ba7 Bd3–+) 13.Be6+/– Re6 14.Ra7 Ne4 15.f3?? (better is 15.Ne2+/–) 15...Qh4–+ 16.Ke2 Qf2 17.Kd3 Nc5 18.Kc2 Qg2 19.Ne2 Qf3 20.Ng3? (better is 20.Rf1!? Qd5 21.Nc1–/+) 20...Qd5–+ Black prepares the advance e4 21.Kc1? e4 22.Rf1 Nd7 23.Qc2 Qb5 24.Qb2 Qd5 25.Na3 b5 26.Ra5 Reb6 27.Qc2 Qd6 28.Ne4–/+ Qh2 29.Ra7 Qg2 30.Rf2 Qh1 31.Kb2?? b4 32.Nc4 bc3 33.Ka3 Qa1 34.Qa2 Rb3 35.Ka4 Qa2 36.Na3 Qa3# 0–1. maddoxdb – junedjr, gameknot.com, 2012. (=1.c3 e5 2.b4 Nf6)

3.e4 a5

4.d4 ed4 5.ba5 Ne4 6.Qd4 Qe7 7.Be2 Nc6 8.Qd3 Nc5 9.Qg3 d5 10.Bg5 Qe6 11.Be3 Ra5 12.Nf3 Nb3! 13.ab3 Ra1 14.0–0 Ra2 15.Bb5 Qd6–+ 16.Ne5 Be6 17.Bf4 Qc5 18.Nc6 bc6 19.Bd3 Qe7 20.Bc7–/+ Bd7 21.c4=+ Ra8 22.Nd2 Qb4 23.Rd1 Be6=+ 24.Be5 Ra2 25.cd5 cd5 26.Bc3= Qb6 27.Qe5 Bc5 28.Qg7= Bf2 29.Kh1 Rf8 30.Bb1 Ra8 31.Qh7 Bg4 32.Rf1 Be2= 33.Bg7 Bf1 34.Bf8 Be2?? 35.Qg8+– Kd7 36.Qf7 Kc6 37.Qe6 Kb7 38.Qd5 Ka7 39.Qf7?? Ka6+= 40.Ne4 Rc8 41.Ba3 Be3 42.Qd5 Bd4 43.Qd7 Rc7 44.Qa4+/– Qa5 45.Qd4 Qa3 46.Bd3 Bd3 47.Qd3 Ka5 48.h4 Qe7 49.g3 Qe5 50.Kh2 Kb6 51.Nd6 Kc5 52.Nc4+/– Qf6 53.Ne3+– Qe6 54.b4! Kc6 55.Qa6 Kd7+/– 56.Qa4 Kc8 57.Qa8 Kd7 58.Ng2 Qf5 59.Qa4 Kd6 60.Qa6 Rc6 61.Qa8 Rc8 62.Qa3 Qe4 63.Ne3 Ke5 64.Qa1 Ke6 65.Qa6 Rc6 66.Qa2 Ke5 67.Qa5 Kd4+= 68.Qa7 Kd3 69.b5 Rc1 70.Ng2 Rc2 71.Qg1 Re2 72.b6 Qf3+= 73.Qh1 Rb2 74.b7 Qb7 75.Qg1 Qf3 76.Kh1 Re2 77.Qd1 Ke4 78.Qa4 Kf5 79.g4 Kg6 80.Qa6 Kf7 81.Qc4 Kf8 82.Qc8 Ke7 83.Qc7 Kf6 84.Qd6 Kf7 85.Qf4 Qf4 86.Nf4 Rf2 87.Nd3 Rd2 88.Ne5 Ke6 89.Nf3 Rf2=+ 90.Ng5 Ke5 91.Nh3 Ra2 92.h5 Ra4 93.g5 Rh4 94.Kh2 Rh5 95.Kg3 Kf5 96.g6 Kf6 97.Kg4 Ra5 98.Nf4 Rg5 99.Kf3 Kf5 100.Nd5 Kg6 101.Ke4 Kf7 102.Nf4 Ke7 103.Nh3 Ra5 104.Nf4 Kd6 105.Kd4 Ra4 106.Ke3 Ke5 107.Nd3 Kf5 108.Nc5 Rc4 109.Nd3 Re4 110.Kf2 Kg4–/+ 111.Nc5 Re8 112.Nd3 Re6 113.Nb4 Re4 114.Nd5 Kf5 115.Nc3 Rc4 116.Nb1 Ke5 117.Ke3 Rc1 118.Nd2 Rc3 119.Ke2 Rh3 120.Nf3 Kf4 121.Nd2 Rg3 122.Nb1 Re3 123.Kd2 Rf3 124.Nc3 Ke5 125.Ne2 Ke4 126.Nc3 Kd4 127.Ne2 Kc4 128.Ng1 Rb3 129.Ne2 Rd3 130.Kc1 Kb3–/+ 131.Nf4 Rd6 132.Ne2 Rd7 133.Ng3 Kc3 134.Ne4 Kd4 135.Nd2 Kd3 136.Nf3 Rd5 137.Nh2 Rc5 138.Kd1–/+ Rc2 139.Nf3 Ra2 140.Ne5=+ Kd4 141.Nf3 Ke3 142.Ne5 Rg2?? 143.Nc4= Kd3 144.Ne5 Kc3 145.Ke1 Kd4 146.Kf1 Rb2 147.Nc6 Kd5 148.Ne7 Ke5 149.Nc6 Ke4?? 150.Kg1 Rb7 151.Nd4?? Kd4 ˝–˝. SmarThink 0.02b – GNU Chess 5.04, Infinite Loop–1, Blitz, 3rd Ten, 2002.

4.Nf3 ab4 5.Ne5 Qe7 6.Nf3 Qe4 7.Be2 Nc6 8.0–0 Bd6 9.c4 Nd4 10.Re1 0–0 11.Bb2 Nf3 12.Bf3 Qc4 13.d3 Qf4 14.g3 Qf5 15.Nd2 Qd3 16.Bf6 gf6 17.Be4 Qb5 18.Nc4 Be7 19.Bd3 d5 20.Nd6 Qc5?? 21.Qh5 f5 22.Nf5 h6 23.Qh6 Bf5 24.Bf5 Qf2 25.Kf2 Ra2 26.Ra2 Bc5 27.Kf1 Rb8 1–0. smarthink.exe – terra.exe, computer chess game, 2001.

4.Nf3 Ne4 5.Qe2 d5 6.d3 =+.

3.Nf3 d6

4.d3= a6 5.e4 Nc6 6.Qa4 Bd7 7.Bg5 Be7 8.Nbd2 h6 9.Bf6 Bf6 10.Be2 0–0 11.Qc2 Re8 12.0–0 Be6 13.a3 Qd7 14.Rae1 Rad8 15.Nc4 Bc4 16.dc4 Ne7 17.Rd1 Ng6 18.Rfe1 Qe6 19.h3 Rd7 20.Nd2 Nf4? (Better is 20...Rdd8!?=) 21.Bg4+/– (21...Qe7 22.Bd7 Qd7 23.Nf1+/–) 1–0. Fritz 5.32 – NN, 2003.

4.d3= Be7 5.e4 0–0 6.Be2 d5 7.Nbd2 de4 8.de4 Re8 (8...Nbd7 9.0–0=) 9.Ne5+= Bd6 10.Nef3 (10.Nec4 a5 11.b5 Bf4+=) 10...Ne4 11.Ne4 Re4 12.0–0 Bg4 13.Bg5 Qe8 (13...Qd7 14.Be3=) 14.Bd3+= Re5 15.Bf4 Rd5 (15...Re6 16.Bd6 Rd6 17.Re1+=) 16.Re1+/– Qd8?? (Better is 16...Be6 17.Bd6 Rd6+/–) 17.Bh7!+– Kh7 18.Qd5 Nc6 (18...Qd7 19.Qe4 Bf5 20.Qb7 Qc6 21.Qc6 Nc6 22.Bd6 cd6+–) 19.Ng5 Kh8 (19...Qg5 20.Qg5 Be6 21.Bd6 cd6 22.Qb5+–) 20.Nf7 (20...Kh7 21.Nd8 Rd8 22.Qe4 g6 23.Bg5+–) 1–0. bibiildritto – Prdola (1620), GameColony.com, 2002.

4.d3= Be7 5.e4 a5 6.b5 c6 7.bc6 (7.Nbd2 0–0=) 7...bc6 8.Be2 0–0 9.0–0 Nbd7 10.Nbd2 Ba6 11.d4 Re8 12.Rb1 Be2 13.Qe2 Rb8 14.Rb8 Qb8 15.Re1 Qb6 16.Qd3 h6 17.Nc4 Qc7 18.de5 Ne5 (18...de5!? 19.Be3 Rd8=) 19.Nfe5+/– de5 20.Qg3 Kh7 21.Qe5 Qe5 22.Ne5 Bf8 23.Nc6 Re4 24.Re4 Ne4 25.c4 a4 26.Bb2 Kg6? 27.Ne5+– Kf6 28.Nd7 Ke7 29.Nb6 Nd2 30.Bc3 Ne4 31.Na4 Nc3 32.Nc3 Kd6 33.Ne4 Ke5+/– 34.Nd2 Kd4 35.Kf1 Bb4 36.Ke2+– Kc3 37.a3 Ba3? 38.Nb1 Kb3 39.Na3 Ka3 40.c5 1–0. marekt (2210) – Chess_Mozart (1965), ICC, 2003.

4.d3 Bf5 5.e4 Bg6 6.Bg5 Be7 7.Bf6 Bf6 8.Be2 0–0 9.0–0 Nd7 10.d4 (better is 10.Nbd2!?=) 10...ed4 11.Nd4 Be4 12.Bf3 Bd4 (better is 12...Re8–/+) 13.Qd4?? (better is 13.Be4 Bb6 14.Bb7=) 13...Bf3–+ 14.gf3 Ne5 15.Nd2 Qg5 16.Kh1 c5! 17.bc5 dc5 18.Qe3 Qf5 19.f4 (better is 19.Rg1 Rfe8 20.Rae1–/+) 19...Ng4 (19...Ng4 20.Qe4 Qh5–+) 0–1. saliamichenko – mekkelmania, gameknot.com, 2014.

4.e3 c6 5.d3 Be6 6.Be2 Be7 7.Ng5 Bd7 8.0–0 h6 9.Nf3 0–0 10.a4 Qb6 11.Na3 e4 12.de4 Ne4 13.Nc4 Qc7 14.Qc2 d5 15.Bb2 Nf2 16.Rf2 dc4 17.Bc4 Bg4 18.Qg6 Bf3 (better is 18...Bc8+/–) 19.Rf3+– (19.gf3?! Qe5 20.e4 Bg5=) 19...Bf6 20.Rf6 Qe7 (20...b5 21.Be6! Na6 22.Rf7 Rf7+–) 21.Raf1 (better is 21.Rf7 Qf7 22.Be6 Qe6 23.Qe6 Kh7 24.c4+–) 21...Kh8 (21...Qe3 22.Kh1 Qg5 23.Bf7 Kh8+–) 22.Rf7 Rf7 23.Rf7 Qe3 (23...Qf6 24.Rf6 Na6 25.Bd3 gf6 26.Qh7) 24.Kf1 Qe5 (24...Qf4 25.Rf4 Na6 26.Bd3 Nb4 27.Qh7) 25.Rf8 1–0. jj32 – alielzarka, gameknot.com, 2012.

4.g3 a6 5.Ng5 Nc6 6.f3 Be6 7.Ne6= fe6 8.Bh3 Qe7 9.a3 Qf7 10.e4 Be7 11.g4 0–0 12.a4? d5 13.a5 de4 14.fe4 Ne4 15.Ke2 Nf2 16.Qf1 Nh1 17.Qh1–+ Qf2 18.Kd1 Bg5 19.Qe1 Qf3 20.Qe2 Qh3 21.Kc2 Qf3 22.Qf3 Rf3 23.Kb3 Raf8 24.Na3 R8f4 (25.d4 Rg4 26.Bg5 ed4–+) 0–1. sbderkach (1680) – losertoo (1860), net–chess.com, 2006.

4.h3 g6 5.e3 Bg7 6.Ng5 0–0. macahan – alij, net–chess.com, 2003.

3.Nf3 e4

4.Nd4 a5 5.b5 Be7 6.g3 d5 7.Bg2 0–0 8.0–0 c5 9.bc6 Nc6 10.d3 Bd7 11.Be3= Bg4 12.de4 de4 13.h3 Bh5 14.Nd2 Qd5 15.Qb1 Bg6= 16.Qb6 Nd4 17.Bd4 Ra6 18.Qb3 Qc6 19.Rab1+= Rb8 20.Qb5 Qe6 21.Qe5 Qe5= 22.Be5 Rd8 23.Nc4 Rd7 24.Bd4 Rc7 25.Ne3 a4 26.Rb5 Ne8 27.Nd5 Rd7 28.Ne7 Re7 29.c4 Nd6 30.Rd5 Re8 31.c5+/– Nf5 32.Rb1 Ra7 33.Be5 e3 34.Rb6 ef2 35.Kf2 f6 36.Bf4+– Ne7 37.Rd7 Bf5 38.Rc7 g5 39.Be3 Bh3 40.Bh3 Nd5 41.Rc8 Rc8 42.Be6 Kg7 43.Bd5 h6 44.Bd4 Rf8 45.g4 Kh7 46.Rd6 h5 47.Rd7 Kh8 48.gh5 a3 49.e4 Ra4 50.Bc3 Raa8 51.Rb7 Rad8 52.c6 Rc8 53.Kg3 Ra8 54.Kg4 Rad8 55.Kf5 Rd6 56.Kg6 Rd5 57.ed5 Kg8 58.h6 Kh8 59.h7 g4 60.Rb8! g3 61.Rf8# (61.Bf6?!=) 1–0. comp – comp, 2006.

4.Nd4 c5 5.Nc2 Be7 6.bc5 0–0 7.d4 ed3 8.ed3 Bc5 9.d4 Re8 10.Be2 Bd6 11.Bg5 h6 12.Bf6 Qf6 13.0–0 Nc6 14.Re1 b6 15.Nd2 Bf4 16.Bd3 Re1 17.Ne1 d5 18.Nef3 Bf5 19.Qc2 Bd3 20.Qd3 Re8 21.Nf1 Na5 22.Re1 Re1 23.Ne1 Qe6 24.Qd1 Nc4 25.Nd3 Bg5 26.Qf3 Nd2 27.Qd1 Qf5 28.Qc2 Nc4 29.Ng3 Qe6 30.Qa4 a5 31.Qd1 Qe8 32.Ne2 Qe4 33.a4 Qg4 34.Qc2 Bd2 35.Ng3 Qg6 36.Nf1 Bg5 37.Qe2 Qc6 38.Nb2 Na3 39.Qf3 b5 40.ab5 Qb5 41.Nd3 Nc4 42.Qe2 a4 43.Qg4 Ne3 44.Qc8 Kh7 45.Ne3 Qd3 46.Nf1 a3 47.Qa8 Qc3 48.h3?? Qb2–+ 49.Qd5 Qb1 50.Qf7 a2 51.Qc4 a1Q 52.g3 Qe4 53.Qb5 Qd1 54.g4 Qdf3 55.Qf5 Qef5 56.gf5 Bh4 57.Ng3 Bg3 58.fg3 Qg3 59.Kf1 Qh3 60.Ke2 Qc3 61.f6 gf6 62.d5 Qe5 63.Kf2 Kg6 64.d6 Kf5 65.d7 Qd4 66.Ke2 Qd7 67.Ke3 Qe8 68.Kd4 h5 69.Kc5 h4 70.Kb6 h3 71.Kc5 h2 72.Kc4 Qc6 73.Kd4 h1Q 74.Kd3 Qcc1 75.Ke2 Qhf1 0–1. smarthink.exe – amateur2.exe, computer chess game, 2002.

4.Nd4 c5 5.bc5 Bc5 6.e3 Nc6 7.Na3 Ne5 8.Nc4 Nd3 9.Bd3= ed3 10.Ne5 0–0 11.Nd3 Bd4 12.cd4 d6 13.f3 Be6 14.Nf2 Nd5 15.0–0 f5 16.e4+= Ne7 17.d5+/– Bc8 18.d3 Ng6 19.Qe2 b6 20.Qb2 f4 21.Qe2 Bb7 22.Bb2 Nh4 23.Rac1 Bc8 24.Nd1 Ng6 25.Rf2 Ba6 26.Rc3 Re8 27.Qc2 Re7 28.Qa4 Bb7 29.Kf1 Rf7 30.Rfc2 a6 31.Rc1 (31…Rc8 32.Kg1+/–) 1–0. Ziese,Gerhard – Tejler,A, corr SOK–90–68, 1990.

4.Nd4 c5 5.bc5 Bc5 6.e3 Ng4 7.Qg4 d5 8.Qg7 Rf8 9.Qh7 Qg5 10.Ba3 Qg8 11.Qg8 Rg8 12.Bc5 Nd7 13.Bd6 Nc5 14.Bc5 b6 15.Bd6 Rg6 16.Bb5 Kd8 17.Nc6 Kd7 18.Ne5 Ke6 19.Ng6 Kd6 20.c4 Kc5 21.Na3 a6 22.Ne5 ab5 23.Nb5 dc4 24.Nc3 f6 25.Ne4 Kd5 26.Nc4! Kc4 27.Nd6 Kc5 28.Nc8 Ra3 29.0–0 b5 30.Rfc1 Kb4 31.d4 Ka4 32.Rab1 b4 33.Rc6 Ra2 34.Ra6 Kb5 35.Ra2 (35…Kc4 36.Ra5 Kd3 37.Rb4 Kc3 38.Rb6 Kd2 39.d5 Kc1 40.d6 Kd2 41.d7 Ke2 42.Rb2 Kd3 43.d8Q Ke4 44.Qd5) 1–0. willowsa – colinbates, net–chess.com, 2003.

4.Nd4 Nc6 5.Qa4 Nd4 6.cd4 c6 7.b5 Qb6 8.Nc3 d5= 9.bc6 Qc6=+ 10.Qc6 bc6 11.Rb1 Ba6 12.Na4 Bd6 13.d3 ed3–/+ 14.ed3 0–0 15.Be2=+ Rfe8 16.Kd2 Rab8 17.Rb8 Rb8 18.Nc5 Bc5 19.dc5= Re8 20.Bb2+= Nd7 21.Bd4 Rb8 22.Bg4 Nf8 23.Re1 Rb2?? 24.Bb2+– (24...h5 25.Bh5+–) 1–0. Trkn – guest1817, ICC, 2004.

4.Nd4 Nc6 5.b5 Nd4 6.cd4 d5 7.Qa4 Bd6 8.Ba3 0–0 9.Nc3 Qe7 10.Bd6 Qd6 11.Rc1 Bd7 12.Qb3 c5 13.dc5 Qc5 14.Rc2 Rac8–/+ 15.e3 d4 16.ed4 Qd4 17.Be2 Be6 18.Qa3 Nd5 19.0–0 Nf4 20.Rfc1 Rc7 21.Bf1 Rfc8 22.Re1 f5 23.b6 Qb6–/+ 24.Rb2 Qc5 25.Qc5 Rc5 26.Rb7 a5 27.g4 Rd8 28.gf5 Rf5 29.Ne4 Ba2 30.Ra7 Bb3 31.Rc1 Ne6 32.Bc4 Bc4 33.Rc4 Rfd5 34.Rc6 Re5 35.f3 Rf8 36.Rc3 h6 37.Re7 Rff5 38.Nd6 Rg5 39.Kf1 Nf4 40.Ra7 Rg2 41.Ne4 Re8 42.Ra5 Rh2 43.Rac5 Kh7 44.Kg1 Rg2 45.Kh1 Ra8 46.Rc1 Re2 47.Rc7 Ne6 48.R7c4 Rf8 49.R1c3 Rd8 50.Kg1 Nf4 51.Kf1 Rh2 52.Rc8 Rd5 53.R8c5 Rh1–/+ 54.Kf2 Nd3 55.Kg2 Nc5 56.Kh1 Ne4 57.fe4 Rd2 58.Re3 Kg6 59.Rg3 Kf6 60.e5 Kf7 61.e6 Kf6 62.Re3 Rd8 63.Kg2 Re8 64.Rf3 Ke6 65.Re3 Kf7 66.Rf3 Kg6 67.Rd3 Re6 68.Kg3 h5 69.Rd8 Kh6 70.Kf4 Rf6 71.Kg3 Rc6 72.Rh8 Kg5 73.Rg8 h4 74.Kh3 g6 75.Rg7 Rc3 76.Kg2 Kh5 77.Rf7 g5 78.Rh7 Kg4 79.Rg7 h3 80.Kg1 0–1. Pierred (2195) – Grand_Maitre (2420), Rated game, 3m + 0s, 2005.

4.Nd4 d5 (--> 1.b4 e5 2.c3 d5 3.Nf3 e4 4.Nd4 Nf6).

3.g3 d5

4.a3 Be7 5.e3 0–0 6.Nf3 Bg4 7.Be2 Nbd7 8.0–0 c5 9.b5? c4 10.d4?? e4 11.Ne5 Be2 12.Qe2 Ne5 13.Nd2?? Nd3 14.a4 a6 15.Rb1 Qa5 16.Ra1 Qc3 17.Bb2 Qb2 18.Rfb1 Qc3 19.Ra2 Nc1 20.Rc1 Qc1 21.Kg2 ab5 22.a5 Bb4 23.Nf1 Ra5 24.Rc2 Qa3 25.g4 Qd3 26.Qd3 cd3 27.Rb2 Bc3 28.Rb1 Rfa8 0–1. willi_weizenkeim – stevosaurus, playchess.de, 2002.

4.Bb2 Be6 5.Bg2 Bd6 6.Nf3 Nc6 7.0–0=+ 0–0 8.d3 b5 9.a3 a6 10.Nbd2 Ne7 11.Ng5 Bc8 12.c4= Bb7?? 13.c5+– Bc5 14.bc5 c6? 15.Be5 Ng6 16.Bd6 Re8 17.d4 Ng4 18.Ngf3 Qf6 19.h3 Nh6 20.Re1 Nf5 21.e4 Nd6 22.e5 Qf5 23.ed6 Rf8 24.Ne5 Ne5 25.Re5 Qd3 26.Nf3 Qd1 27.Rd1 a5 28.Re7 Rab8 29.Rc7 f6 30.Re1 Rfd8 31.Ree7 Ba8 32.Rg7 Kf8 33.Rh7 Kg8 34.Nh4 a4 35.Ng6 Rb7 36.Rh8# (36.Rhg7#) 1–0. savage13 – Nexxus6, ChessWorld.net, 2007.

4.Bg2 a5 5.ba5 Ra5–/+ 6.Nf3 Nc6 7.0–0 Bd6 8.d3 0–0 9.Bg5 Be7 10.Nbd2=+ h6 11.Bf6 Bf6 12.Qc2 Ra8 13.Rfb1 e4 14.Ne1 ed3=+ 15.ed3 Qe8 16.Nef3 Bg4 17.Re1 Qd8 18.Kf1 Bf3 19.Nf3= Ne5?? 20.Nd4?? c5 21.Nf5 Qd7 22.d4 Rac8?? 23.de5+– Bg5 24.f4 Qb5 25.Kg1 Bd8 26.Ne7! Be7 27.Bd5 Rcd8 28.c4 Qa6 29.Reb1 Qg6?? 30.Qc3 b6 31.Rb5 Rb8 32.a4 Kh8 33.Kg2 f6 34.e6 f5 35.a5?? Qg4?? 36.ab6 Qe2? 37.Kh1+– Qf2 38.Ra7 Qf1# 0–1. kostaspetidis (2105) – ajeffries (1645), net–chess.com, 2006.

4.Bg2 c5 5.e3? cb4–+ 6.cb4 Bb4 7.Ne2 0–0 8.0–0 e4 9.Ba3 Ba3 10.Na3 Bg4 11.f3–/+ ef3 12.Bf3 Nc6 13.Bg4 Ng4 14.Nc2 Qd6 15.Nf4 d4?? 16.ed4?? Nd4–/+ 17.Kh1? Qc6–+ 18.Kg1 Qc2 19.Qg4 Qd2 20.Rad1 Qe3 21.Kg2 Ne6 22.Ne6 fe6 23.Rf8 Rf8 24.Rd7 Rf2 25.Kh3 Qh6 26.Qh4 Qh4 27.gh4 Ra2 28.Rb7 e5 29.Re7 Ra5 30.Kg4 h6 31.Kf5 Kf8 32.Re5? Re5 33.Ke5 Ke7 34.Kd5 a5 35.Kc5 Kf6 36.Kb5 Kf5 37.Ka5 Kg4 38.Kb5 Kh4 39.Kc4 Kh3 40.Kd4 g5 41.Ke3 Kh2 42.Kf3 Kh3 43.Kf2 g4 44.Kg1 h5 45.Kf2 Kh2 46.Kf1 g3 (47.Ke2 Kg2–+) 0–1. oracleinshadows – lubomir (1755), net–chess.com, 2005.

4.Bg2 c6 5.e3 Bf5 6.Ne2 Nbd7 7.0–0 Bd6 8.d4 e4–/+ 9.f3 0–0 10.fe4 Ne4?? 11.Rf5+– Ndf6 12.Be4 Ne4 13.Rf1 Qg5 14.Qc2 Qh5 15.Nf4 Qg4 16.c4 Rac8 17.c5 Bc7 18.Qe2 Qg5 19.Bb2 Ng3?! 20.hg3 Qg3 21.Kh1 Rce8 22.Rf3 Qg4 23.Qf2 Re4 24.Nc3 Re7 25.Rg1 Qd7 26.Rfg3 g6 27.Nce2 Re4 28.Bc1 Rfe8 29.Rh3 Qf5?? 30.Ng3 Qf6 31.Ngh5 Qf5 32.Ng3 Qe6?? 33.Ne6+– (33...R4e6 34.Rh7+–) 1–0. tomy (2260) – losertoo (1860), net–chess.com, 2006.

4.Bg2 Be7 5.d4 e4 6.Bf4 0–0 7.e3 Nbd7 8.Bh3 Nb6 9.Bg2 Bg4 10.Qc2 Nc4 11.h3 Bd7 12.Ne2 b6 13.0–0 c5 14.Kh2 cb4–+ 15.Nd2 Rc8 16.Nc4 Rc4 17.Rfc1 b5 18.Qb2 Qa5 19.Bg5 Rfc8 20.Bf6 gf6 21.Rc2? bc3 22.Nc3 Rc3 23.Rc3 Rc3 24.Rc1 b4 25.Rc3 bc3 26.Qb8 Kg7 27.Qb7 Qb5 28.Qa7 c2 29.a4 Qa4 30.Qa4 Ba4 (31.f3 c1Q 32.fe4 de4 33.Be4 Bd6 34.Bf3 Qe1 35.Kg2 Qg3 36.Kf1 Qf3 37.Kg1 Qg3 38.Kf1 Bb5#) 0–1. bar (1905) – inspector (2330), net–chess.com, 2008.

3.h3 d5

4.d4 ed4 5.Qd4 –/+.

4.e3 Be7 5.Bb5 c6 6.Ba4 b5 7.Bb3 Be6 8.Nf3 e4 9.Nd4 Bd7 10.g4 0–0 11.g5 Ne8 12.Qh5 Nd6 13.Na3 Bg5–+ 14.h4 Bf6 15.f3 ef3 16.Nf3 Ne4 17.Ng5 h6 18.Ne4 de4 19.Nc2 Qc8 20.Nd4 Bg4 21.Qc5?? Qd7 22.Bc2? Bf3 23.Nf3–/+ ef3 24.Bf5 Qc7–+ 25.Kf2?? Nd7 26.Bd7 Qd7 27.Qh5 Qd5 28.Qd5=+ cd5 29.d4 Rac8 30.Bd2=+ Rfe8 31.Kf3 Re4 32.Kg3? Be7 33.Raf1 Bd6 34.Kf3 Re6 35.Ke2 Ra8?? 36.Rf5+/– Rg6 37.Rd5+– Be7 38.Rb5 Rg2 39.Kd3 a6 40.Rb7 Bf6 41.a4 Rg4 42.h5 Rg2 43.e4 Rg3 44.Kc4 Rc8 45.Kd5 Rd8 46.Kc6 Re8 47.e5 Bg5 48.Be1 Re6 49.Kd5 Rd3 50.Rb8 Kh7 51.a5 Bd2 52.Bd2 Rd2 53.Rh3 Re7 54.Rb6 Ra7 55.c4 Rf2 +–. dhub noire – DanielMena, ChessWorld.net, 2007.

2.c3 g6

3.d3 Bg7 4.f4 ef4 5.Bf4 Nc6 6.b5 Nce7 7.e4 a6 8.ba6 Ra6 9.Nf3 d6 10.d4 Nf6? 11.Bb5 Bd7 12.Ba6 ba6 13.Qc2 Bb5 14.c4 Bc6 15.Nc3 0–0 16.0–0 Ng4 17.Nd5 Bd5 18.cd5 c5 19.dc6 Qa8 20.c7 Rc8 21.Bd6 Bf8 22.Ng5 Ne3 23.Qf2 N3f5 24.ef5 Nf5 25.Bf8 Kf8 26.g4 Nd6 27.Qf6 Qc6 28.Ne6 Ke8 29.Qd8! 1–0. Trkn – guest636, ICC, 2004.

3.d4= ed4 4.Qd4 Qf6 5.Nf3 Bg7 6.Qc4 c6 7.e4 Ne7 8.e5 Qe6 9.Qe6 fe6 (9...de6 10.Nbd2+=) 10.a3 0–0 11.Be2 b6 12.h4 c5 13.b5 (13.h5 Nbc6 14.Bg5 Rf7 15.hg6 Ng6=) 13...Bb7 (13...a6 14.Bg5 Nd5 15.c4=) 14.Bg5 Nf5 15.a4 a6 16.ba6 Ba6 17.g4 Nh6= 18.Bh6 Bh6 19.h5 g5 20.Nbd2 Nc6 21.a5 Be2 22.Ke2= Na5 23.Rhb1 Rab8 24.Ne4 Nc4 25.Nf6 Kh8? 26.Nd7+– Rbd8 27.Nf8 Rf8 28.Ra4 Rf3 29.Rc4 Rf8 30.Rb6 Re8 31.Rc5 Bg7 32.Rcb5 h6 33.Kd3 Rf8 34.Re6 Rf2 35.Rb8 Kh7 36.Rb7 Rf3 37.Ke4 Rf8 38.Ree7 Rg8 39.e6 Kh8 (40.Rg7! Rg7 41.Rg7 Kg7 42.Ke5 Kg8 43.e7 Kf7 44.Kd6 Ke8 45.c4 Kf7 46.Kd7 Kg7 47.e8Q Kh7 48.Qg6 Kh8 49.Qh6 Kg8 50.Qg5 Kh8 51.h6 Kh7 52.Qg7#) +–. orane (2160) – Weaky1 (2220), Live Game Caissa's Web, 2004.

3.d4= Bg7 4.de5 Be5 5.Nf3 Bg7 6.e4 d6 7.Bd3 Bg4 8.0–0 Nd7 9.Be3 Ne5 10.Bb5 Nd7 11.Bd4 Bd4 12.Qd4 f6 13.Nbd2 Qe7 14.e5 Bf3 15.ed6 (15.ed6 Qd6 16.Rfe1 (< 16.gf3 Qd4 17.cd4 0–0–0=+) 16...Ne7 17.Qd6 (< 17.gf3 Qd4 18.cd4 a6=+) 17...cd6 18.Nf3+=; < 15.Nf3 fe5 16.Bd7 Kd7 17.Qg4 Kd8=+) +=. marekt (2420) – ekulrac (1935), ChessWorld.net, 2003.

3.e3 Bg7 4.Bc4 Nf6 5.Nf3 0–0 (5...d5!? 6.Be2 Qd6+=) 6.Ne5+= d5 7.Bd3 Re8 8.f4 Nc6 9.Nc6 bc6 10.Qa4 Bg4 11.Qc6 Ne4 12.Be4 de4 13.Na3 Bd7 14.Qc5 Bf8 15.Qg5 Be7 16.Qa5 Bf6 17.g3 h5 18.h4 Bg4 19.Nb5 Qd3 20.Rh2 Re7 21.Nc7 Rf8?? (better is 21...Bc3!? 22.Nd5 Ba1 23.Ne7 Kg7+=) 22.Bb2 (22.Nd5 Re6 23.Nf6 Rf6 24.Qa7 Ra6+/–) 22...Rc8? (better is 22...Rd7!? 23.Na6 Be7+/–) 23.Nd5+– Bc3?? (23...Re6 24.Nf6 Rf6 25.Qa7 Rd6+–) 24.Ne7 Kh7 25.Nc8 Bd2 26.Rd2 Qe3 27.Kf1 Qg3 28.Qc5 Bh3–+ 29.Ke2?? Bg4 30.Kf1= Bh3 31.Ke2 Qf3 32.Ke1 Qh1 33.Ke2 Bg4?? 34.Ke3 Qf3 35.Kd4 Qf4 36.Kc3 e3 37.Rd3 Qf6 38.Qd4 Qf2 39.Qe3 Qf6 40.Kc2 Bf5 1–0. maddoxdb – jakdarb, gameknot.com, 2012. (=1.c3 e5 2.b4 g6)

3.e4 d5 4.ed5 Qd5 5.Qf3 e4 6.Qe3 Bh6 7.Qd4 (better is 7.Qg3!?=) 7...Qd4–/+ 8.cd4 Bg7 9.Bb2 Nc6 10.a3 Nd4 11.Bc4 (better is 11.Bd4 Bd4 12.Nc3–+) 11...Nc2 12.Kd1 Bb2 (12...Na1? 13.Bg7 a5 14.Bh8 (14.Ba1?! f6+/–) 14...ab4 15.Ba1 ba3 16.Nc3+–) 13.Ra2 Bd4 14.Kc2 Bf2 15.Ne2 Bf5 16.Kd1 Nf6 17.Nf4 (17.Rf1 e3 18.Nbc3 Rd8–+) 17...Rd8 18.Nc3 Ng4 19.Ncd5 (19.Ke2 Bd4–+) 19...c6 20.Nh3 (20.Nc3–+) 20...cd5 21.Bb5 Kf8 22.Rf1 e3 23.Be2 (23.Nf2 Nf2 24.Ke2 d4–+) 23...Nh2 24.Rh1 Ng4 25.d3 Bg3 26.Rc2 f6 27.Rc7 (27.Rc5 d4–+) 27...Ne5 (better is 27...Bc7 28.d4 Bb6–+) 28.Rb7 Bd3 (28...Nd3 29.Bd3 Bd3 30.Ng1–+) 29.Rf1 (29.Bd3 Nd3 30.Ke2 Ne5 31.Ke3 a6–+) 29...Be2 30.Ke2 Ng4 (better is 30...d4 31.Ra7 d3 32.Ke3 Nc4 33.Kf3–+) 31.Rc7 Bc7 0–1. maddoxdb – hachibi, gameknot.com, 2011. (=1.c3 e5 2.b4 g6)

3.e4 Nf6 4.d3 c5 5.Nf3 Qc7 6.bc5 Bc5 7.Be2 Qb6 8.d4 ed4= 9.cd4 Bb4 10.Bd2 Ne4 11.0–0 Nd2 12.Nbd2 Bd2 13.Qd2= 0–0 14.Rab1 Qf6 15.Bc4 d6 16.Qb2 Nd7 17.Qb3 a6 18.Rfe1 b5 19.Bd5 Ra7 20.Re2 Nb6–/+ 21.Be4 Be6 22.d5 Bg4 23.h3 Bf3 24.Bf3 Rc8 25.Rbe1 Rc5 26.Re8 Kg7 27.Rb8 Nd7 28.Ree8?? Qa1 29.Kh2 Nf6 30.Qe3? Ne8–+ 31.Qe8 Qe5 32.Qe5 de5 33.d6 f5 (34.Bb7 Rc1–+) 0–1. felippe (2100) – malaysianisme, net–chess.com, 2003.

2.Nc3?? Bb4

3.Rb1 Bc3 4.dc3 Nc6 5.Nf3 d5 6.Bg5 Qd6 7.Rb5 d4 8.Ne5? Ne5–+ 9.cd4 Nc4 10.e3 Nb6 11.Bc4?? Nc4–+ 12.e4 Qg6 13.Qd3 Nd6 14.Re5 Ne7! 15.Re7? Kf8 16.h4 f6 17.Qf3 Ke7 18.e5 Nf5 19.ef6 gf6 20.Qe4 Kf7 21.h5 Qg5 22.d5 Re8 23.Qe6 Be6 24.g4 Bd5 25.Kf1 Bh1 26.gf5 Qg2# 0–1. mlyon – cnselway (2010), net–chess.com, 2004.

3.Rb1 Bc5 4.Rb5 d6 5.d4 a6 6.Na4 ab5 7.dc5 Ra4 8.cd6 cd6 9.Nf3 Ra2 10.Bg5 Qa5 (11.Bd2 Qa3–+) 0–1. theyoungthinker – sonrisante, net–chess.com, 2000.

3.Nd5 Ba5 –/+.

3.Nd5 Be7 4.d4 ed4 5.Qd4 Nf6 6.Bf4 Nc6 7.Nc7?? Qc7!–+ 8.Bc7 Nd4 9.Rc1 Ba3 10.Rb1 Ne4 11.Nh3 Nc2 12.Kd1 Nd4 13.Be5 Nc3 14.Kd2 Nb1 15.Ke1 Ne6 16.e3 d6 17.Bg3 (17...Bd7 18.Bc4–+; 17.Bb5 Bd7 18.Bd7 Kd7–+). tuergeist – Hugo165, mySchach.de, 2005.

3.e4 Nf6 4.Qf3 0–0 5.Bc4 c6 6.Bb2 d5!–+ 7.ed5 Bg4 8.Qg3 Bc3 9.dc3 cd5–+ 10.Bb3 Nbd7 11.Bd5 Nd5 12.Qg4 N7f6 13.Qg5 Nf4 14.Rd1?? Qb6 15.Ba1 Rad8 16.Rc1 Ne4 17.Qh4 Ng2 (18.Kf1 Nh4 19.Nh3 Nd2 20.Ke2 Qa6 21.c4 Qc4 22.Kd1 Ndf3 23.Bd4 Rd4#) 0–1. Cruz – Nda_Vie (2070), internet, 2009.

3.Ne4 f5 4.Ng3 d5 5.a3 Be7 6.Nh5? Bf6 7.e3 g6 8.Nf6=+ Nf6 9.Bb2 Qe7 10.c3 a6 11.Qb3 Nc6 12.Rc1 0–0 13.h4 Rb8 14.c4 Be6 15.Nf3 b5 16.c5?? d4–+ 17.Qc2 de3 18.h5? ef2 19.Kd1 Nh5 20.Be5 Bd5 21.Bc3 Bf3 22.gf3 Qe1# 0–1. lithoforus – Abbster, Live Game Caissa's Web, 2006.

3.f3 Bc3 4.dc3 Nf6 5.Ba3 d6 6.c4 0–0 7.Rb1 Nc6 8.c5 dc5 9.Bc5–/+ Qd1 10.Rd1 Re8 11.e4 Be6 12.a4 Red8 13.Bd3 b6 14.Ba3 Nd4 15.Bc1 c5 16.f4? ef4 17.Bf4 Bg4 18.Bg5 Bd1 19.Kd1 Ne6 20.h3 Ng5 21.Ne2 c4 0–1. esko – pije, net–chess.com, 2001.

3.Nf3 d6 4.g3 Nc6 5.h4 d5 6.Nd5? Qd5 7.h5 e4 8.Nh4 e3! 9.c3 Qh1 10.Nf5 Bf5 11.Qb3 Bh3 12.cb4 Qf1# 0–1. apm – Caissa, Live Game Caissa's Web, 2004.

3.g3 c6 4.Bg2 Bc3 5.dc3–/+ d6 6.Ba3 d5 7.e4 de4 8.Be4? Qa5?? 9.Bb2?? Nf6–+ 10.Bg2 0–0 11.Ne2 Be6 12.0–0 Na6 13.h3 Rad8 14.Qb1 Bc4 15.Bf3 Nc5 16.Qc1 e4 17.Bg2 Be2 18.Re1 Bc4 19.Ba3 Rd5 20.Bc5 Rc5 21.Be4 Ne4 22.Re4 Qc3 23.Re7 h6 ˝–˝. oracleinshadows (1725) – sburritt, net–chess.com, 2006.

3.g3 Nf6 4.h4 d5 5.a3 Bc5 6.e3 Ng4 7.d4 ed4 8.ed4 Qf6 9.Qg4?? Bg4–+ 10.Nd5 Qe6 11.Be2 Be2 12.Ne2?? Bd4 13.Nc7 Ke7 14.Ne6= Ba1 15.Nc7 Na6 16.Bg5? f6–/+ 17.Bf4? Nc7–+ 18.Bc7 Rac8 19.Ba5 Rc2 20.Kf1 Rhc8 21.Kg2 Ra2 22.Bb4? Kf7–+ 23.Nc1 Rac2 24.Nd3 Bd4 25.Re1 b6 26.Re7 Kg6 27.Rd7 Be5 28.Ra7 Rd8 29.Ne5 fe5 30.Re7 Re2 31.Bc3? Rd5 32.Kf1 Re4 33.Re6 Kf5–/+ 34.Rb6 Kg4 35.Re6?? Kh3 36.f3–+ Re3 37.Bb4 Kg3 38.Be1 Kf3 39.Rf6 gf6 40.Bf2 Re2 41.Be1 Rd1 42.Kg1 Rde1# 0–1. bsjostedt – donsjostedt, net–chess.com, 2004.

3.a3 Ba5

4.Rb1 Nf6 5.Rb5 Bb6 6.Nf3? d6–/+ 7.e3 Bd7 8.Rb3 Ng4 9.Ng5?? Qg5–+ 10.h4 Qf6 11.Rb4 Qf2# 0–1. amy – RonBeMe, VOGChess, 2000.

4.Nf3 Nc6 5.g3 Nf6–+ 6.Bh3 0–0 7.0–0 d5 8.Bg2 e4 9.Nh4? Ne5 10.Bb2? Qd6 11.d4? Nc4 12.Bc1 Bc3 13.Rb1 Na3 14.Rb3 Bb4 15.Nf5 Bf5 16.e3 Nc4 17.Ba3 Na3 18.c3 Ba5 19.Qc1 b6 20.Rb2 Nc4 21.Ra2 Rac8 22.Qb1 c5 23.Rc2 cd4 24.cd4 Na3 25.Qd1 Nc2 26.Qe2 Nb4 27.f4 Rc2 28.Qb5 Ng4 29.Kh1 Qh6 30.h3 Ne3 31.Rg1 Ng2 32.h4 e3 33.Qa4 Be4 34.Qb3 Ne1 35.Rg2 Ng2 36.Qb1 Nh4 37.Kg1 Nf3 38.Kf1 Qh1 0–1. brpalmer – jklaassen, net–chess.com, 2005.

3.a3 Bc3

4.dc3 Nf6 5.a4 Nc6 6.Nf3 0–0 7.e4 Ne4 8.Qd5 Nf6 9.Qc4 d6 10.Bg5 h6 11.Bh4 Bf5 12.Rd1 Bc2 13.Rc1 Bf5 14.Qb5 Qc8 15.Bc4 Bd7 16.a5?! Nd4 17.Qb4 Nf3 18.gf3 Nh5 19.Be7 Re8 20.Bh4 e4 21.Ba2 Nf4 22.Qc4 Be6 23.Qe4 Bf5 24.Bg3 Be4 25.Bf4 Bf3 26.Kd2 Re2 27.Kd3 Qf5 28.Kc4 Qe6 29.Kd3 Qe4# 0–1. bouffant – chepe, net–chess.com, 2002.

4.dc3 Nf6 5.Nf3 Nc6 (6.Bg5 h6–/+) 0–1. cengel – marekt, ChessWorld.net, 2002.

3.a4 Bc3

4.Ra3?? Ba5 5.c3 Nc6 6.Bb2 d6 7.e3 Nf6 8.Nh3 Bh3 9.gh3 Ne4 10.Bd3 Qh4 11.Be4 Qe4 12.Rg1 g6 13.Rb3 b6 14.Ba3 0–0–0 15.Rg4 Qh1 16.Ke2 Qh2 17.Bd6 Rd6 18.Rg3 Rf6 19.Rf3 Rf3 20.Kf3 Qh3 21.Ke2 f5 22.d3 f4 23.d4 f3 24.Kd2 ed4 25.ed4 Nd4 26.Rb1 Re8 27.Kd3 Ne2 28.Kc4 Qg4 29.Kb5 Nc3 30.Ka6 Nd1 31.Rd1 Kb8 32.Ra1 Qc4# 0–1. esko – valerypavlovich, net–chess.com, 2001.

4.Ra3?? Bb4 5.Rf3 d5 6.e4 Bg4 7.Be2 Bf3 8.Bf3 de4 9.Nh3 ef3 10.0–0 fg2 11.Kg2 Nf6 12.Qf3 Qd5 13.Re1 Qf3 14.Kf1 Qh3 15.Ke2 Ne4 16.Kd1 Qg4 17.f3 Qf3 18.Re2 Qf1 19.Re1 Nf2# 0–1. dassie – Caissa, Live Game Caissa's Web, 2004.

4.dc3 Nc6 5.e4 –+.

3.Na4 d5

4.Rb1 Nc6 5.Rb4 Nb4 6.Nf3 e4 7.a3 Nc6 8.Bb2 ef3 9.Nc5 fg2 10.Bg2 Qg5 11.Bd5 (11.Bf3 d4 12.Na6–+) 11...Qd5 12.Nb3 (12.Rg1 Nge7 13.Nb3–+) 12...Qh1 0–1. city – Caissa, Live Game Caissa's Web, 2004.

4.Rb1 Nc6 5.c3 Be7 6.e3 a6 7.Nf3 b5 8.Nb2 Bf5 9.Ra1 e4 10.Nh4?? (Better is 10.Nd4 Nd4 11.cd4–+) 10...Bh4 11.g3 Bf6 12.d4 ed3 13.Bd3 Bc3 14.Bd2 Bb2 15.Rb1 Bd3 16.Rb2 d4 17.Rb3 Bc4 18.Ra3 Qd6 19.ed4 Qa3 20.Qg4 Kf8 21.Bg5 Re8 22.Kd1 Qa2 23.Qe2 Bb3 24.Ke1 Qe2# 0–1. pero – Caissa, Live Game Caissa's Web, 2004.

3.Bb2 Nc6

4.Rb1 Qf6 5.Ne4 Qf4 6.Nc3 Bc5 7.e3=+ Qf5 8.Na4 Nb4?? 9.Nc5+/– Nc2 10.Ke2 Nf6 11.d3 Nb4+/– 12.Qb3 a5 13.a3 b6 14.Na4?? Nfd5?? 15.ab4+– ab4 16.Qd5 Ra4 17.Nf3 Ra5 18.Qb3 0–0 19.Qb4 Re8 20.Rc1 Ba6 21.Rc7 Bd3 22.Ke1 e4 23.Qb6 Raa8 24.Nd2 Reb8 25.Qd4 f6 26.f3 Qa5 27.fe4 Qc7 28.Bd3 Qe5 29.Nc4 Qb5 30.Rf1 Qg5 31.Rf2 Qh4 32.h3 Ra2 33.Qd7 Rab2 34.Nb2 h5 35.Bc4 Kh7 36.Nd3 Qe4 37.Bf7 Qe3 38.Re2 Rb1–+ 39.Nc1 Qc1 40.Kf2 Qf1 41.Ke3+– Qc1 42.Rd2 Qc3? 43.Ke2?? Qe5= 44.Kd3 Rb5?? 45.g4 Qg3+/– 46.Kc2 Rc5 47.Kd1 Qh3=+ 48.gh5?? Qd7 49.Rd7+– f5 50.Ke2 Kh6 51.Ke3 Kg5 52.Rd6 Rc7 53.Be8?? Re7–/+ 54.Re6?? f4 55.Kf3 Re6 56.Bd7 Re3 57.Kf2 Kh5 58.Bf5 g6 59.Bd7 Kh4 60.Kg2 f3 61.Kf2 Rd3 62.Bb5 Rd2 63.Kf3 Rb2 64.Be8 g5 65.Bd7 Rb4 66.Kg2 g4 67.Be6 Re4 68.Bf5 Rf4 69.Be6 g3 70.Bd7 Rf2 71.Kg1 g2 72.Bb5?? Kh3 73.Kf2 Kh2 74.Kf3 g1Q 75.Be2 Qe1 76.Ke3 Qe2 77.Ke2= Kg2 78.Ke3 ˝–˝. Taulien,Andre – Taulien,Christian, remoteschach.de, 2003.

4.Nd5 Ba5 5.Nf3 d6 6.e3 Bd7 7.Be2. Trejo,Remigio Flor – Buettner,Fritz, TT–04–0028 A, 2004.

4.e3 Nf6 5.Bc4 0–0 6.Nge2 d6 7.0–0 Bg4 8.f3 Be6 9.Be6 fe6 10.a3 Bc3 11.Nc3 d5 12.Ne2 Qd6 13.Ng3 Rad8 14.Ne2 d4 15.e4 d3 16.cd3 Qd3 17.Bc3 Nd7 18.Nc1 Qd6 19.Nb3 Nb6 20.Qc2 Nc4 21.Rfd1 Na3–+ 22.Qc1 Nb5 23.Bb2 Qb4 24.Qc2? a5–+ 25.Nc5?? Nbd4 26.Bd4 Nd4 (27.Qb1 Qc5–+; < 26...ed4 27.Ne6 d3 28.Qa2 Qb6 29.Kh1+/–; 26...Qd4?! 27.Kh1 Nb4 28.Qc3 Qc3 29.dc3 Rd1 30.Rd1–/+) 0–1. yulio – Whiterose, ChessWorld.net, 2006.

4.e3 Nf6 5.Be2 0–0 6.Nf3 d5 7.0–0 d4 8.ed4 ed4 9.Nb5 Bc5 10.Bd3 a6–+ 11.Na3 Bg4 12.Re1 Re8 13.Re8 Qe8 14.Be2 Rd8 15.Nd4?? Be2 16.Ne2 Ba3?? 17.Ba3–/+ Ne7 18.d3 b6 19.Qc1 Ned5 20.Ng3 c5 21.Qg5 h6 22.Qd2 Qd7 23.Re1 Re8 24.Bb2 Re1 25.Qe1 Qe8 26.Kf1 Qe1 27.Ke1= Kf8 28.f3 a5 29.Ne4 Ne4= 30.fe4 Ne3 31.Be5 Nc2 32.Kd2 Nb4 33.Bc7 Na2 34.Bb6+/– Nb4? 35.Ba5?? Na6+= 36.Kc3 Ke7 37.Kc4 Kd6 38.Bb6 g5? 39.g4 Kc6+/– 40.Bd8 Nb8 41.Be7 Nd7+= 42.h3 Ne5 43.Kc3 Nd7 44.Kd2 Kb5= 45.Ke3 Kc6 46.Bd8 Kb5 47.Bc7 Kc6 48.Ba5 Kb5 49.Bc3 f6 50.d4 Kc4 51.Ba1 cd4 52.Bd4 Kb5 ˝–˝. kehrsam – DanielMena, ChessWorld.net, 2006.

3.Bb2 d5

4.a3 Bc5 5.Nf3 Nc6 6.e4 d4 7.Na4 Bd6 8.c3 dc3 9.Nc3 Nge7 10.d4 ed4 11.Nd4 0–0 12.Ncb5=+ a6 13.Nc6 Nc6 14.Nd6 Qd6 15.Qd6= cd6 16.Rd1 Rd8 17.Be2 Be6=+ 18.f4 d5 19.f5+= Bc8 20.ed5 Ne7 21.f6 Nd5 22.fg7 Be6 23.Bf3 Rac8 24.0–0 b5 25.Rfe1 Nb6 26.Bb7+/– Rd1 27.Rd1+= Re8 28.Ba6+/– Nc4 29.Bf6 Na3+= 30.Rd6 b4= 31.Rb6 b3 32.Bd3 Nc2 33.Bb5 Rc8? 34.Re6!+– fe6 35.Bd7 Rc7 36.Be6 Rf7 37.Bb3 Ne3 38.h3 Nf5 39.Kf2 Ng7 40.Ke3 (40.Bf7 Kf7 41.Bg7 Kg7+–) ˝–˝. Dopper,Johan – Bakema,Aeilko, corr Netherlands, 1992.

4.d3 d4 5.Nf3 dc3 6.Ne5 cb2 7.c3 Bc3 8.Qd2 ba1Q 0–1. uhkasha – Caissa, Live Game Caissa's Web, 2004.

4.e3 Nf6 5.Nf3 Bg4 6.Be2 0–0 7.Ne5=+ Bc3 8.Bc3 Be2 9.Qe2 Nc6 10.Nf3 Re8 11.0–0 d4 12.Nd4?? Nd4–+ 13.Bd4 Qd4! 0–1. kehrsam – smoothmovermovesagain, ChessWorld.net, 2006.

4.Nf3 Nc6 5.g3 Nf6 6.Bg2 Be6 7.0–0 0–0 8.a3 Bc5 9.d3 h6 10.e4 d4–+ 11.Ne2 Qd7 12.Nc1 Bh3 13.Nb3 Bd6 14.Qd2 Bg2 15.Kg2 Ng4 16.h3 Nf6 17.Rab1 a5 18.c3 a4 19.Nc1 Bc5 20.Ne2–/+ dc3 21.Qc3 Qd6 22.Rfc1 Bb6–/+ 23.Ne5 Ne5–+ 24.Qe5 Qe5?? 25.Be5+/– Nd7 (26.Bc7 Bc5+–; 25...Rfd8!? 26.Bf6 gf6+/–). tomzr – chess55555, internet, 2006.

3.Bb2 d6

4.e4 Nc6 5.Nf3 Nf6 6.d4?? (better is 6.Bd3!?–/+) 6...Bc3 (better is 6...Ne4 7.Qd3 0–0 8.de5 Bf5–+) 7.Bc3 ed4 (7...Ne4!? 8.Bb2 ed4 9.Nd4–+) 8.Nd4 Nd4 (better is 8...Ne4!? 9.Nc6 bc6 10.Bg7 Qe7–/+) 9.Qd4+= 0–0 10.0–0–0 c5 (better is 10...Be6–/+) 11.Bc4?? (better is 11.Qe3=) 11...cd4–+ 12.Bd4 Ne4 13.Rhe1 Bf5 14.f3 Nf6 15.g4 Bd7 16.g5 Nh5 17.Rg1 Nf4 18.Rg4 Ne2! 19.Kb1 (19.Be2 Bg4 Decoy) 19...Nd4 (better is 19...Bg4 20.Be2 Re8 21.Bc4 Bf3 22.Rf1–+) 20.Rdd4 Bg4 21.Rg4 Qb6 22.Kc1 Rae8 23.Bd3 Re1 24.Kd2 Rfe8 25.Rh4 Qa5 26.c3 Qa2 27.Bc2 R8e2 28.Kd3 Qc2 29.Kc4 Qa4 30.Kd3 Qh4 0–1. rimazu (2115) – polog (2040), net–chess.com, 2015.

4.e4 Be6 5.Nf3 Nf6 6.Ng5 Qe7 7.Ne6 Qe6 8.Be2 0–0 9.0–0 Nc6 10.d3–/+ Nd4 11.a3 Bc5 12.Na4 Ne2 13.Qe2 Bd4 14.Bd4 ed4 15.f4 b5 16.Nb2 Ng4?? 17.f5+– Qh6 18.Qg4 f6 19.Rf3 Kh8 20.Rh3 Qg5 21.Qg5 fg5 22.g4 c5 23.Re1 a5 24.e5 de5 25.Nd1 h6 26.Nf2 Rfe8 27.Ne4 c4 28.Rb1 Reb8 29.Nd6 c3 30.Nf7 Kg8 31.Ne5 b4 32.ab4?? ab4? 33.Nc6+– Rb7? 34.Rb4 Ra1 35.Kf2 Rf7 36.Nd4 Rc7 37.Ne6 Rca7 38.Rb8 Kf7 39.Rf8 Ke7 40.Rg8 Kf7 41.Rg7 Kf6 42.Rh6 Ke5 43.Rc7 Rc7 44.Nc7 Rd1 45.f6 Rd2 46.Ke1 Rc2 47.Nb5 Rd2 48.Nc3 Rd3 49.f7 Rd8 50.Nb5 Rf8 51.Nc7 Rf7 52.Nb5 Kf4 53.h3 Rg7 54.Kf2 Rb7 55.Rf6 (55…Ke4 56.Re6 Kd3 57.Re3 Kc2 58.Nd4 Kc1 59.Re5+–) 1–0. milanista – tuaku, internet, 2007.

4.e4 Nf6 5.d3 0–0 6.Nf3 Nc6 7.a3 Ba5 8.Be2 h6 9.0–0 a6 10.Rb1 b5 11.h3 (11.a4 ba4 12.Na4 Qe7–/+) 11...Bb7 (11...Be6 12.Nd2–+) 12.Nh2 Ne7 13.f4 Bb6 14.Kh1 ef4 15.Rf4 Ng6 16.Rf1 Ne5 17.Nf3 Nf3 18.Bf3 Nd7 19.Bh5 Bd4 20.Qf3 (20.a4 ba4 21.Na4 Bb2 22.Nb2 Qh4–/+) 20...Ne5 (20...g6!? 21.Nb5 Ne5 22.Qg3 Bb2 23.Nc7 Qc7 24.Rb2–+) 21.Qg3 Bc8 22.Nd5 Bb2 23.Rb2 Be6 24.Nf4 Qe7 25.Be2 c5 26.Nh5 (26.c3 Rac8–/+) 26...Ng6 27.Bg4 Bg4 28.Qg4 Qe6 29.Qg3 (29.Rf5 Rac8–/+) 29...Qe5 30.Qe5 Ne5 31.g4 Rab8 32.Nf4 Nc6 Black intends b4 33.c3 Ne7 34.Rbf2 a5 35.Nh5 (35.Rb1 b4 36.cb4 cb4–/+) 35...b4 36.cb4 cb4 37.ab4 Rb4 38.Ra2 a4 39.Nf4 g5 40.Nh5 Ng6 41.Rf6 Rd4–+ 42.Rf3 Ne5 43.Rf6 Kh7 44.Ng3 Kg7 45.Nh5 Kh7 46.Ng3 Rd3 47.Nf5 Ng6?? 48.Ra4+= Rh3 49.Kg1 Rd3 50.Nd6?? Kg7–+ 51.Rg6 fg6 52.Ra7 Kg8 53.e5 Rd2 54.Ne4 Rd1 55.Kg2 Rf4 56.Nf6 Kf8 57.Nh7 Ke8 58.Nf6 Kd8 59.Rh7 Re1?? 60.Rh6? Re5–+ 61.Rg6 Ke7 62.Nh7 Kf7 63.Rh6?? Kg7–+ 64.Rh1 Rg4 65.Kf3 Rh4 (65...Rh4 66.Rh4 gh4–+) 0–1. Bossjos – Hal1958, playchess.de, 2005.

3.Bb2 Nf6

4.e3 c6 5.Nf3 d6 6.Be2 0–0 7.0–0 Bg4 8.d4 ed4 9.Nd4 Be2 10.Nce2 d5 11.Nf4 Ne4 12.Qg4 Nd7?? 13.Nf5 Qg5+/– 14.Qg5 Ng5 15.Nd3 Ba5 16.Bg7 Rfe8 17.Bh6 Bc3?? 18.Bg5+– Ba1 19.Ra1 f6 20.Bf4 Ne5 21.Rb1 b6 22.Nh6 Kg7 23.Nf5 Kh8?? 24.Bh6 Kg8 25.Rb4 Re6 26.Ne5 fe5 27.Bg5 c5 28.Rg4 Kf7 29.f4 e4 30.Nh6+– Kg6?? 31.f5 Kh5 32.fe6 (32...Re8 33.Bf4 Re6 34.Rg5 Kh6 35.Re5 Kg7 36.Re6+–) 1–0. kehrsam – Salvatore, ChessWorld.net, 2006.

4.e3 d5 5.Nf3 e4 6.Nd4 0–0–+ 7.Be2 Be7 8.0–0 c5 9.Nb3 Nc6 10.f3 c4–+ 11.Nd4 Nd4 12.ed4 Qb6 13.Na4? Qb5 14.c3 ef3 15.Bf3 Bd7 16.Re1 Bd6 17.Bc1 Qa4 18.Qa4 Ba4 19.g4 Rfe8 20.Bb2 Bf4 21.h3 Bd2 22.Rf1 Bc2 23.a4 Ne4 24.Ra2 Bd3 25.Rd1 Ng5 26.Bg2 Re2 27.Bd5 Nh3 28.Kf1 Rf2# 0–1. JAY2PLAY – Gilkarste, ChessWorld.net, 2005.

4.e4 0–0 5.Bc4 Bc3 6.Bc3 Ne4 7.Qf3 d5 8.d4? Nc3 9.Qc3 ed4 10.Qd4 dc4 11.Qc4 Re8 12.Ne2 Qe7 13.0–0 Qe2 14.Qc7 Nc6 15.Qg3 Qc2 16.f4 Nd4 17.Kh1 Bf5 18.Rad1 Rad8 19.h4 Ne2 20.Qf2 Rd1 21.Kh2 Rf1 22.Qf1 Re4 23.g3 Nf4 24.Kg1 0–1. Papa Lazarou II – nitousche, ChessWorld.net, 2004.

4.e4 Nc6 5.Nf3 0–0 6.g3? Nd4 7.Bg2 d6 8.0–0 Bg4–+ 9.h3 Nf3 10.Bf3 Bf3 11.Qf3 b5 12.Nb5 Bd2 13.Rad1 Rb8 14.Rd2? Rb5–+ 15.Ba3 Ra5 16.Rd3 Qb8 17.Rb3 Qc8 18.Qc3 Ra6 19.Qc4 Nd7 20.Rfb1 Rb6 21.f4 Rb3 22.ab3 Nb6 23.Qf1 ef4 24.Qf4 Qh3–+ 25.Rd1 Nc8 26.e5 Rd8 27.ed6 cd6 28.Bd6?? Nd6 29.c4?? Nb7 30.Rd8 Nd8 31.Qb8 Qd7 32.b4 Kf8 33.c5 Ke8 34.b5 a5 35.b6 Qb7 36.Qe5 Ne6 37.Qd6 a4 38.c6 Qb6 39.Kg2 Qc5 40.Qd7 Kf8 41.Qc8 Ke7 42.Qd7 Kf6 43.g4 g5 44.Kf3 a3 45.Ke4 a2 46.Qd1 Qc6 47.Ke3 Qa6 48.Qa1 Ke7 49.Ke4 Nc5 50.Kf5 f6 51.Qf6 Qf6 0–1. W17 – B17 (year?).

4.Nf3 d6 5.e4 0–0 6.Bc4 Bc3 7.Bc3 Ne4 8.0–0 Nc3 9.dc3 Nc6 10.Re1 Be6 11.Bb3 h6 12.Rb1 Rb8 13.h3 Qd7 14.Qd3 Bf5 15.Qd1 Rfe8 16.Qc1 Qe7 17.a4 Qf6 18.Ba2?! Bh3! 19.Qd1 Bg4 20.Qd3 Bf5 21.Qd2 b6 22.Rb2 Na5 23.c4 Nb7 24.c3 Nc5 25.Bb1 Bg4 26.Qd1 e4 (27.Rbe2 Bf3 28.gf3 Qf3–+) 0–1. the yid – salmo (1815), internet, 2005.

4.h3 Nc6 5.e3 Bc3 6.Bc3–/+ d6 7.Nf3 0–0 8.d3 Be6 9.e4 a5 10.h4 b5–+ 11.d4 ed4 12.Bd4 Ne4 13.Bb5 Nd4 14.Nd4 Qf6 15.f3?? Nc3 16.Qd3 Nb5 17.Qb5 Qd4 18.Ke2 Bc4 19.Qc4 Qc4 20.Kd2 Qd4 21.Ke2 Rfe8 22.Kf1 Qd3! 23.cd3 Rec8 24.g4 c5 25.Kf2 d5 26.h5 c4 27.h6 g6 28.Ke2 c3 29.Rhc1 d4–+ 30.a4 Re8 31.Kd1? Re3 32.f4 Rd3 33.Kc2 Rd2 34.Kb3 Rb8 35.Kc4 Rc8 36.Kb5 Rb2 37.Ka5 Ra8 0–1. esko – pije, net–chess.com, 2001.

3.Nd5 Bc5

4.Bb2 d6 5.g3 Be6 6.Ne3 Bd4 7.c3 Bc5 8.Nc2 Nf6–+ 9.Na3 Ng4 10.Bh3?? Nf2 11.Qa4 Bd7 12.Nb5 Nh1 13.Bg2 Qf6 14.Nc7 Ke7 15.Nd5 Ke6 16.Bh3+– Kd5 17.e4# 1–0. perozim – celsob, net–chess.com, 2004.

4.Bb2 Nf6 5.d4 Bd4 6.Bd4 ed4 7.Qd4 Nd5 8.Qd5 0–0 9.Nf3 Qf6 10.0–0–0 (10.Qd4 Qb6–/+) 10...Nc6 11.e3 d6 12.Bd3 Re8 13.Qh5 h6 14.Qb5 a6 15.Qb3 b5 16.Qb2 Qe7 17.Kb1 Rb8 18.h3 Na5 (18...a5 19.g4–+) 19.Rhe1 (19.Qb4!? Nb7 20.Qh4–+) 19...c5 20.e4 Be6 21.Qa3 (21.Ka1 c4 22.Be2 b4–+) 21...Nc6 Black prepares b4 22.Qc3 (22.Kb2 Nb4–+) 22...Nb4 23.a3 (23.Rd2 Na2 24.Qa5 Nb4–+) 23...Na2 24.Qb2 (24.Qa5 b4 25.Ka1 Nc3–+) 24...b4 25.Ka1 (25.a4 Nc3 26.Kc1 Nd1 27.Kd1 c4–+) 25...Nc3 26.Rd2 Qf6 27.a4 (27.e5 de5 28.Be4–+) 27...Qd8 28.Qc1 Qa5 0–1. chpot (1940) – forsetinn (2225), gameknot.com, 2014.

4.Nc3 d5 5.e4 de4 6.Ne4 Qd4 7.Nc5 Qa1 (7...Qc5?! 8.Rb1–/+) 8.Nf3 Nd7 9.Nd7 Bd7 10.Ne5?? (10.Bc4–+) 10...Qe5 11.Be2 0–0–0 12.0–0 Bc6 13.Bg4 f5 14.Bh5 Nf6 15.Bf7 Ng4 16.Qe2 Qh2 0–1. QnMove6 – Caissa, Live Game Caissa's Web, 2004.

4.e3 c6 5.Nc3 d5 6.Nf3 Nd7 7.Be2 b5 (7...Ngf6 8.0–0–/+) 8.0–0 (8.d4 Bb4 9.Bd2–/+) 8...Bd6–/+ 9.Bb2 Ngf6 10.a4 (10.h3!?–/+) 10...b4–+ 11.Na2 0–0 12.d4 ed4 13.ed4 Re8 (13...Ne4 14.a5 Rb8 15.Nc1–+) 14.Bd3 a5 15.c3 (15.Nc1 Ne4–+) 15...Nb6 (15...Ne4 16.Qb3–+) 16.Qb3 (16.Ne5 Nc4 17.Nc4 dc4 18.Bc4–+) 16...Nc4! 17.Rfe1 (17.Bc4 dc4 Combination) 17...Be6 18.cb4 (18.Ng5 Bh2! 19.Kh1 Ng4 20.Bh7 Kh8–+) 18...ab4 19.Bc1 (19.Ne5 Na5 20.Qd1 Qb6–+) 19...Qa5 20.Bc2 (20.Rb1 Qa4 21.Re2 Qb3 22.Rb3 Ra4–+) 20...c5 21.Rb1 (21.h3 Ne4!–+) 21...Bd7 22.Re8 Be8 (22...Ne8?! 23.dc5 Bc5 24.Nb4–+; worse is 22...Re8 23.Bb2 cd4 24.Bd4–+) 23.dc5 Bc5 24.Bf4 Ba4 25.Qa4 Qa4 26.Ba4 Ra4 27.Nc1 Ne4 28.Nd3 Bf8 29.h3 Ra3 30.Rd1 b3 31.Be5 Ne5 32.Nfe5 Ra2 33.Nd7 Bd6 34.Rc1 f6 35.f3 Nf2! (35...Nf2 36.Rc8 Kf7–+) 0–1. blake507 (1990) – forsetinn (2280), gameknot.com, 2014.

4.e3 Nf6 5.Nf6 Qf6 –/+.

4.e4 c6 5.Nc3 Nf6 6.a4 0–0 7.h4 d5–+ 8.ed5 cd5 9.Nf3? Ng4 10.Ng5 Bf2 11.Ke2 Nc6 12.a5 Nd4 13.Kd3 Qc7 14.Qg4 Qc4# 0–1. sirrad – marekt, ChessWorld.net, 2005.

4.Nh3 c6 5.Nc3 d5 6.e3 Nf6 7.Bd3 Bh3 8.gh3 e4 9.Be4? (Better is 9..Bf1–+) 9...de4 10.d4 ed3 11.cd3 Bb4 12.Bd2 (12.Qc2 Nd5 13.Bd2 Nd7–+) 12...Qd3 13.Rb1 (13.Qb1 Qc4 14.Qb3 Qb3 15.ab3–+) 13...Bc3 14.Rb2 Bb2 15.Qb3 Qb3 16.ab3 Ne4 17.Rg1 Nd7 18.Bb4 a5 19.Bd2 Ne5 20.Rf1 Nf3 21.Ke2 Nfd2 22.Rd1 Nc3 23.Kd2 Rd8 24.Kc2 Nd1 25.Kb1 Rd2 26.Ka2 Nc3 0–1. rossibruno – Caissa, Live Game Caissa's Web, 2004.

3.Ne4 d5–+

4.a3 Ba5 5.Nc5 Nc6 –+.

4.a3 Ba5 5.Nc5 Nf6 6.Nf3 Nc6 7.Ng5 h6 8.c3?? 0–0 9.g3?? hg5 10.h4 gh4 11.Rh4 a6 12.a4 Bb6 13.Ba3 Re8 14.Nd3 e4 15.Nf4 Ng4 16.Rh5 (16.Nh3–+) 0–1. LADY – Abra, playchess.de, 2002.

4.Nc3 Nf6 5.e3 0–0 6.Bb2 (6.Nf3 Nc6 7.Bb2 d4–+) 6...d4 7.Qf3 (7.Na4 Bd6 8.c3 de3 9.de3–+) 7...dc3 8.dc3 Ba5 9.Rd1 Qe7 10.Nh3 (10.Qe2 Nc6 11.Nf3 e4–+) 10...Bg4 (better is 10...Nbd7 11.Bc4 Nc5–+) 11.Qg3 (11.Qb7 Bd1 12.Qa8 Bc2 13.Qf3 Bc3 14.Bc3–+) 11...Bd1 12.Kd1 Rd8 (better is 12...Qd7 13.Bd3 e4 14.Nf4 ed3 15.cd3–+) 13.Kc1 Qd7 (better is 13...Ne4 14.Qg4 Nc3–+) 14.Qf3 (14.Bd3 e4 15.Bc4 Qc6–+) 14...e4 (better is 14...Qd2 15.Kb1 Qe1 16.Bc1–+) 15.Qe2 Nd5 (better is 15...Na6 16.Qe1–+) 16.Qh5 (16.Qd1 Bc3 17.Bc3 Nc3 18.Qd7 Nd7–+) 16...Bc3 (better is 16...Nc3 17.Bc3 Bc3 18.Bc4–+) 17.Bc4 (17.Bc3 Nc3 18.Bc4 g6–+) 17...Bb2 (17...Qc6 18.Qh4 Na6 19.Bb3–+) 18.Kb2 g6 (18...Qc6 19.Ng5 Qf6 20.Kb1 Nc3 21.Kc1 Na2 22.Kb1 Nc3 23.Kc1–+) 19.Qe2 (19.Qh4 Qd6 20.Qe4 Qb4 21.Ka1 Qc3 22.Kb1 Qd2 23.Bd5 Rd5–+) 19...Nb6 20.Qg4 (20.Ng5 Qe7 21.Bf7 Kg7 22.Ne6 Kf7 23.Nd8 Qd8 24.h4–+) 20...Nc4 21.Kb1 Qg4 22.f3 ef3 23.gf3 Qf3 24.Rf1 Qf1# 0–1. Rodriguez Cetina,ES – Acevedo Mendoza,JD, Bogota COL, Ch U08 (b), 2014.

4.Ng3 Nc6 5.a4 (5.Nf3 e4 6.c3 Bd6–+) 5...Nf6 6.Nf3 (6.c3 Bd6–+) 6...e4 7.Ng5? (7.c3 Bd6 8.Nd4 Nd4 9.cd4 Ng4–+) 7...h6 8.Nh3 d4 9.Nf4 g5 10.Nh3 Ne5 11.Nf5?? Bf5 12.Ng1 Nd5 13.c3 dc3 14.dc3 Nc3 15.Qd2 Nd5 (16.e3 c6–+) 0–1. lilsoldier – Caissa, Live Game Caissa's Web, 2004.

4.Ng3 d4 5.a3 Ba5 6.Bb2 Nf6 7.h3 e4 8.c3 d3 9.e3? 0–0 10.f3 ef3 11.Qf3 Nd5 12.e4 Nf6 13.Bd3 Re8 14.0–0–0 g5 15.Bb5 Re4?? 16.Ne4+– g4 17.Qf6 Qd5 18.Qg5 Kf8 19.Qh6 Ke7 20.Nf6 Qb5+– 21.Re1 Kd6 22.c4 Qc4 23.Bc3 gh3 24.Ne8 Kc5 25.Qh5 Qd5 26.Qe2 hg2 27.Rh5 Bf5 28.Ba5 b6 29.Nf6 Bg4 30.Rd5 Kc6 31.Qc4 Kb7 32.Qg4 ba5 33.Ra5 Nc6 34.Rc5 Kb6 35.Rc6! Kc6 36.Qc4 Kd6 37.Ne4 Ke5 38.d4 Kf4 39.Re2 f5 40.Nh3 Kf3 41.Nhg5 Kf4 42.Re1 fe4+– 43.Ne4 Rg8 44.Qc7 Kg4 45.Qh7 Rc8 46.Kd2 Rc4 47.Qg8 Kh3 48.Qc4 Kh2 49.Qc7 Kh3 50.Qg3# 1–0. Elsner,David – Sabottka,Gregor (1645), remoteschach.de, 2004.

3.Ne4 Nf6

4.f3 0–0 5.c3 Ba5 6.Qa4 c6 7.Rb1? b5 8.Qa3? d5 9.Nf6–/+ Qf6?? 10.Qa5+– Qd8 11.Qb4 Na6+/– 12.Qa3 Rb8 13.c4 b4 14.Qe3 Qh4+= 15.g3 Qc4 16.Qe5 f6 17.Qf4 Qa2+= 18.e3?? Qb1–+ 19.Kd1 g5 20.Qc7 Nc7 21.Ne2 b3 22.Nc3 Qc2 23.Ke2 Qc1 24.Kd3 Ne6 25.Bg2 Ba6 26.Nb5 Bb5# 0–1. Vogt,Luki – Rohde,Hans_Juergen, remoteschach.de, 2005.

4.f3 Ne4–+ 5.fe4 Qh4 6.g3 Qe4 7.Nf3 0–0 8.a3 Ba5 9.h4? Qg6 10.Rg1 d5 11.Ne5 Qf6 12.Ng4 Qa1 13.h5 Bg4 14.Rh1 Nc6 15.h6 Rfe8 16.hg7 Qe5 17.Rh4 Qg3# 0–1. zamsky – hoscar, ChessWorld.net, 2002.

4.Nf6 Qf6 5.Rb1 –/+.

4.Ng3 0–0 5.Rb1 Nc6 6.c3 Bc5 7.h4 d5 (8.e3 e4–+) 0–1. jerbil22 – nikhil, internet, 2007.

3.Nf3 Nc6

4.e3 d5 5.Ng5?? Qg5–+ 6.Nd5 Nge7 7.Nc7 Kd8 8.Na8 e4 9.c3 Ba5 10.Ba3 Bg4 11.Qa4 Kd7 12.h4 Qf6 13.Rb1 Ra8 14.Rb7 Bc7 15.Bc5 Nf5?? 16.Ba7 Kc8?? 17.Ba6+= Na7?? 18.Qe4 Qa6–+ 19.Rc7 Kc7 20.Qa8?? Qe2# 0–1. sboehnisch – Petra, playchess.de, 2001.

4.e4 –/+.

2.Nc3?? d5

3.a3 Nf6 +=.

3.a4 Nf6 4.Nb5 c6–+ 5.Nc3 e4 6.a5? Be7 7.b5 d4–+ 8.Ne4? Ne4 9.d3 Bb4 10.Bd2 Bd2 11.Qd2 Nd2 12.Kd2 0–0 13.bc6 Nc6 14.Ra4 Na5 15.Nf3 Nc6 16.e3 b5 17.Ra3 Qd6 18.Rb3 de3 19.fe3 a6 20.e4 Qf4 21.Ke1 Qc1 22.Kf2 Qc2 23.Nd2 Qd2 24.Kg1 Qe3# 0–1. joker – Darrell, playchess.de, 2002.

3.Rb1 d4 4.Na4 –/+.

3.Rb1 f5 4.b5 (4.d4 ed4 5.Qd4 Nf6=) 4...Nf6 5.h4 (better is 5.e3!?+=) 5...d4–+ 6.Na4 Bd7 (6...Be6 7.a3–/+) 7.Rb3 (better is 7.c3!?–/+) 7...a6–+ 8.g3 (8.e3 ab5 9.Nb2–+) 8...ab5 9.h5 (9.Nb2–+) 9...Ra4 10.Rh4 (10.a3 c6–+) 10...Ra2 11.Rb1 c5 12.Bg2 b4 13.Bb7 (13.Rb2 Ra1–+) 13...Ba4 (better is 13...e4 14.d3 Qb6 15.Be4 fe4 16.de4 Qe6–+) 14.Bd5 (14.Rb2 Ra1 15.h6–+) 14...Qd5 15.e4 Ne4 16.Nf3 Bc2 17.Qe2 Bb1 18.Qb5 Nd7 19.Ng5 Ng5 20.h6 Nf3 21.Kd1 Nh4 22.gh4 Qh1 23.Ke2 Qc1 24.hg7 Qd2 25.Kf3 Qf2 0–1. Adriana25 – King_Slayer, playchess.de, 2002.

3.Nb1? Bb4 4.Nf3 e4 5.Nd4 –+.

3.Nb1? Nf6 4.c3 (4.a3 Bd6–+) 4...Be7 (4...Bd6 5.Nf3–+) 5.Qa4 (5.Nf3!?–+) 5...Bd7 6.b5 0–0 7.Nf3 Bd6 (7...e4 8.Nd4–+) 8.g3 (8.d4 e4 9.Ne5 Re8–+) 8...Ne4 (8...Na6 9.Ba3 Re8 10.d4 ed4 11.cd4–+) 9.Ba3 Qf6 10.Bg2 c6 (10...Na6 11.Bd6 Nd6 12.Na3–+) 11.Bd6 Qd6 12.Qa3 c5 13.d4 ed4–/+ 14.Nbd2? dc3–+ 15.Qb3 cd2 16.Nd2 a6 17.0–0 Nd2 18.Bd5 Nb3 (18...Nb3 19.Bb3 ab5–+) 0–1. rmp1 – manijer_wmp3 (1760), gameknot.com, 2010. (=1.Nc3 e5 2.b4 d5)

3.Bb2 Bb4 4.e3 f6 5.Nf3 Ne7 6.d4 e4 7.Nd2 0–0 8.Be2 Nbc6 9.0–0 Bf5 10.f4 ef3! 11.Bf3 Qd7 12.a3 Ba5 13.Nb3 Rae8 14.Na5 Na5–/+ 15.e4 de4 16.Ne4 b6 17.Qe2 Nd5 18.Rae1=+ Qc6 19.Nf6 gf6–+ 20.Qf2 Nc4 21.Bc1 Qd6?? 22.Bd5 Be6?? 23.Be6 Re6+/– 24.Re6 Qe6 25.Qg3 Kh8 26.Bh6 Rg8+= 27.Qh4 Rg6 28.Bf8 Nd2 29.Re1?? Qe1!! 30.Qe1 Nf3 31.Kf1 Ne1 32.Ke1 Rg2 33.Be7 Kg7 34.d5 Rh2 35.Kd1 Rh5 36.c4 b5! 37.c5 Rd5 (38.Kc2 Kf7 39.Bf6 Rc5 40.Kb3 Kf6–+) 0–1. gtate (1765) – mugley (1740), net–chess.com, 2001.

3.Bb2 d4 4.Ne4 Be6 5.e3 de3 6.de3 Bb4–/+ 7.c3 Qd1 8.Kd1 Bd6 9.Nd6 cd6 10.Nf3 Nf6 11.Be2 0–0 12.Rc1 Nc6 13.Kc2 Ba2–+ 14.Bb5 Be6 15.Bc6 bc6 16.Rhd1 Rfd8 17.Kd2 Bb3 18.Re1 a5 19.h3 a4 20.Ng5 h6 21.Nf3 Ne4 22.Ke2 Bc4 23.Kd1 Nf2 24.Kd2 Ne4 25.Kd1 Rab8 26.Ba1 a3 27.Nd2 Nf2 28.Kc2 Bd3 0–1. oracleinshadows (1725) – gdraper (2035), net–chess.com, 2006.

3.Nd5 Qd5 4.Rb1 Nf6 5.c3 Bh3 6.Qa4?? c6 7.gh3?? Qh1–+ 8.b5 Qg1 9.bc6 Nc6 10.Rb7 Rc8 11.Rb5 Bd6 12.Rb7 Bc5 13.Ra7 Qf2 14.Kd1 Qf1 (15.Kc2 Ba7–+) 0–1. Robbie101 – piotrek3054, internet, 2007.

3.e3 Bb4!? 4.Bb2 Nf6 –/+.

3.e3 Nc6 4.a3 f5 5.g3 Be6 6.Bg2 Nf6 7.Nf3 Bd6 8.0–0 e4 9.Ng5 Bd7 10.Bb2 h6 11.Nh3 Kf7 12.f3 g5?? (better is 12...Re8=) 13.fe4+– de4 14.d3 (better is 14.Ne4 Be7 15.Nf6 Bf6 16.Bc6 bc6 17.Bf6 Qf6 18.Nf2+–) 14...ed3+/– 15.cd3 g4 (15...Re8!?+/–) 16.Nf4+– Be5 17.Qb3 Kg7 18.d4 (18.Ncd5!? Nd5 19.Bd5 Qe7+–) 18...Bf4+/– 19.Rf4 (worse is 19.ef4 Nd4 20.Qd1 c5+=) 19...Qe7 20.Re1 h5 21.Bc6 Bc6 (21...bc6 22.d5 Rhf8 23.dc6 Bc6 24.Rf5+–) 22.Rf5 (better is 22.d5 Bd7 23.Ne4+–) 22...Ne4?? (better is 22...Bf3+–) 23.Ne4 Rhf8 (23...Be4 24.Re5 Qd6+–) 24.d5 Kh6 25.Nf6 Be8 26.e4 Bg6 27.Qe3 Kg7 28.Nh5 Kh7 29.Nf6 Rf6 30.Rf6 a5 31.Qg5 Rg8 32.Qh4 1–0. alexp (2420) – pallen (2120), net–chess.com, 2013.

3.e4 d4 4.Nd5 c6 5.c4 cd5 6.ed5 Nf6 7.Nf3 Bb4?? 8.Ne5?? 0–0–+ 9.Bd3 Na6 10.Nf3 Bc5 11.0–0 Re8 12.Bb2 Nb4 13.Bd4 Bd4 14.Nd4 Nd3 15.Qf3 Ne5 (16.Qc3 Ne4–+) 0–1. tsullentrup – silverfoxky (1640), net–chess.com, 2002.

3.g4 Bb4 4.Nf3 Nc6 5.a3 Bc3 6.dc3 Bg4 7.Bg2 Nf6 8.Rb1 0–0 9.Rb7 Re8 10.Bg5 Qd6 11.h4? Ne4 12.c4 Nc3 13.Qc1 d4 14.Qd2 Qa3 15.Rc7 Nb4 16.Ne5 Rad8 17.Rf7?? Re5–+ 18.Bd8 Qa1 19.Qd1 Qd1# 0–1. acosta – gfry (1830), net–chess.com, 2002.

2.c4?? Bb4–/+

3.a3 Be7 4.Bb2 Nc6 5.f4 Bf6 6.f5 d6 7.e4 Nge7 8.Ne2 g6–+ 9.Qa4 gf5 10.g4? Bh4 11.Ng3 f4 12.Qb3 fg3 13.hg3 Bg5 14.Be2 b6 15.Rh5 h6 16.Nc3 Nd4 17.Qa4 Bd7 18.Qb4 c5 19.Nd5 cb4 20.Bd4 Nd5 21.ed5 ed4 22.Rh1 Qe7 23.ab4 Bg4 24.Kd1 Qe2 25.Kc2 Qd2 26.Kb1 Bf5# 0–1. gpr – jupiter (1625), net–chess.com, 2001.

3.Ba3 Qe7 4.Bb4 Qb4 5.Nf3 Qc4 6.d3 Qb4 (7.Qd2 Nc6–+) 0–1. Braun,Thomas (1800) – Brueske,Thomas (2195), remoteschach.de, 2006.

3.a4 Bc5 4.Nc3 Nf6 5.e3 0–0 6.Ne4?? Bb4 7.Ng5 d6 8.f4 Re8 9.Rb1 Ba5 10.Qb3? h6 11.g3? hg5 (12.fg5 Ne4–+) 0–1. emerica – duff, net–chess.com, 2002.

3.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.c4??).

3.Qb3 Bc5 4.Nf3 d6 5.Nc3 Be6 (5...Nf6!?–/+) 6.Qb7+= Nc6?? (better is 6...Nd7+=) 7.Qc6+– Bd7 8.Qd5 Be6 9.Qe4 Nf6 10.Qd3 Ng4 11.e3 f5 12.Qc2 0–0 Black intends f4 13.Na4 (13.d4 ed4 14.ed4 Bb4+–) 13...Bb6 14.Be2 f4 (14...e4 15.Nd4 Bd4 16.ed4+–) 15.Nb6 cb6 16.0–0 Rc8 17.d3 (17.ef4 ef4 18.Re1 Bf5+–) 17...b5 (17...fe3 18.fe3 b5 19.h3+–) 18.h3 Nh6 19.ef4 Rf4 20.Bf4 ef4 21.Nd4 Bd5 22.Nb5 Qg5 23.f3 Be6 24.Rf2 Bh3?? 25.Nd6 Rc6 26.Qa4 Rd6 27.Qe8 1–0. Sundfar – Scaper, playchess.de, 2005.

3.Nc3 Bc3 4.dc3 d6 5.e3 Nf6 6.Bb2 b6 7.Be2 Bb7 8.Bf3 Bf3 9.Nf3 Nc6 10.Ng5 0–0 11.Qf3 Ne7 12.0–0–0 Ng6 13.Rhe1 Nd7 14.Ne4 Nc5 15.Nc5 bc5 16.Qe4 Qb8 17.Qb1 Qb7 18.f3 Qa6 19.f4 ef4 20.ef4 Nf4 21.Re4 Ne6 22.h4 Rab8 23.Kd2 Qb6 24.Kc2 Rb7 25.Ree1 Rfb8 26.Ba3 Qa5 27.Qc1 Qa4 28.Kd3 Rb6 29.g3 Ra6 30.Bb2 Qa2 31.Rd2 Ra4 32.Ke3 Qc4 33.Qc2 Re8 34.Kf2 Ra2 35.Ra1 Ra1 36.Ba1 c6 37.Re2 a5 38.h5 d5 39.Qf5 h6 40.g4 Kf8 41.Qf3 Ng5 42.Re8 Ke8 43.Qe3 Ne6 44.Qe5 Qa2 45.Kf3 Qa1 46.g5 Qh1 47.Kg3 hg5 48.Qb8 Ke7 49.Qb7 Kf6 50.Qc6 Qh4 51.Kg2 Qe4 52.Kf2 Qc2 53.Kf1 Qc3 54.Qd5 c4 55.Qd1 Qd3 56.Qd3 cd3 57.Ke1 a4 58.Kd2 Nf4 59.Kc3 a3 (60.h6 gh6–+) 0–1. Charlemagne – Rob (1635), internet, 2007.

3.Nc3 Nf6 4.a4 0–0 5.g3 c6 6.Bh3 d5 (7.Bc8 Qc8–+) 0–1. pinochleterrorist – pierre, Yahoo, 2005.

3.e4 d6 4.Nf3 Nf6 5.Bb2 Ne4–+ 6.Qa4 Nc6 7.Bd3?! Nc5 8.Qc2 Nd3 9.Qd3 0–0 10.0–0 f5 11.Qe2 b6 12.Nc3 Bb7 13.d3 Bc5 14.Na4 Qf6 15.Nc5 bc5 16.Rfe1 Nd4 17.Nd4 cd4 18.f3 Rab8 19.Rab1 Qg6 20.Bc1?? Bf3! 21.Qc2 Rb1 22.Qb1 Qg2# 0–1. the yid – Christobal (1690), internet, 2005.

3.Nf3 e4 4.Ne5 d6 5.Ng4?? f5 6.Ne3 f4 7.Nd5=+ Bc5 8.Nf4?? Qh4 9.g3 Qg4?? 10.Bh3+– Qg5 11.Bc8 a5 12.Ne6 Qe7 13.Bb7 Ra7 14.Qa4 Nd7 15.Nc7 Kd8 16.Nd5 Qg5 17.Qc6 Nb6 18.Nb6 Qf5 19.e3 Ne7 20.Qb5 Rb7 21.Qa5 Rb6 22.Ba3 Nc8 23.Bc5 dc5 24.Na3 Qh3? 25.Ke2 Qg4 26.Ke1 Qf3 27.Rf1 h5 28.Rb1 Qf6 29.Rb6 Qb6 30.Qb6 Nb6 31.Ke2 g5 32.Rb1 Kc7 33.Nb5 Kc6 34.d3 ed3 35.Kd3 Rd8 36.Kc3 Na4 37.Kb3 Nb6 38.Rb2 Rd3 39.Kc2 Ra3?? 40.Na3 (40...g4 41.e4+–) 1–0. Kunk – xCalvin, ChessWorld.net, 2005.

3.a3 Ba5

4.a4 d6 5.Na3 Nc6 6.g4 Bg4 7.f3?? Qh4# 0–1. jellybaby – Caissa, Caissa's Web Live Game, 2004.

4.Qa4 Nc6 5.e4 (5.Nc3 d6–/+) 5...d6 6.Be2 Qh4 7.Nf3 Qe4 8.0–0?? (8.Nc3 Qg6 9.Nh4 Qf6–+) 8...Nf6 9.Nc3?? Bc3 10.dc3 0–0 11.Ng5?? Qg6 12.Be3 Ne4 13.Rac1?? Ng5–+ 14.c5 Rd8 15.Bb5 Bd7 16.Rfd1 Nh3 17.Kf1 Nf4! 18.cd6 cd6 19.Bf4 ef4 20.Qf4 a6 21.Rd6 Qh5 22.Bc4 Na5 23.Rd5 Qg6?? 24.Bd3? Qb6 25.Re1 Re8 26.Rd7 Re1 27.Ke1 Qe6 28.Be4 Qd7 29.Qh4 g6 30.f4 Re8 31.Kf2 0–1. DeweDecimal – genome13, Live Game Caissa's Web, 2004.

4.Bb2 Nc6 5.Nc3 Nf6 6.e4 d6 7.Nf3 Bc3 8.Bc3 Ne4 9.Bb2 0–0 10.d3 Nc5 11.h3 Re8 12.Be2 Bf5 13.0–0 Ne6 14.Rc1 Ned4 15.Nd4 Nd4 16.c5? Qg5 17.g4 Ne2 18.Qe2 Rac8 19.c6 bc6 20.Kh1 Be6 21.f3 Bd5 22.Qf2 Rb8 23.Ba1 c5 24.h4 Qg4 25.Qg2 Qg2 26.Kg2 Rb3 27.Rcd1 Ra3 28.Rd2 Rb8 29.Kg3 Rbb3 30.Bb2 Ra2 31.Rff2 a5 32.h5 a4 33.Bc1 Rd2 34.Rd2 e4 35.fe4 Be4 36.Kf4 Bd3 37.Rg2 a3 38.Kg5 Bb1 39.h6 a2 (40.Ra2 gh6 41.Kg4 Ba2 42.Bh6 c4–+) 0–1. DanielP4R – Pepito Centeno, ChessWorld.net, 2004.

4.Bb2 d6 5.Nc3 Nc6 6.d3 Nf6–+ 7.e4 0–0 8.f3 Nd4 9.g3 c6 10.f4 ef4 11.gf4 Ng4 12.h3 Qh4 13.Kd2 Nf2 14.e5 Qf4 (15.Ke1 Nd1–+) 0–1. pelon – Caissa, Live Game Caissa's Web, 2005.

4.e4 c5 5.Nf3 Nc6 6.Bb2 Nf6 7.Bd3 d6 8.0–0 Be6 9.Nc3 0–0 10.Qb3 b6 11.Nd5 Bg4 12.Qd1 Nd5 13.cd5–/+ Nd4 14.Be2 f5 15.Qb1?? Ne2–+ 16.Kh1 Bf3 17.gf3 Qg5 18.d3 Rf6 19.Bc1 f4 20.Bb2 Rg6 21.Qc2 Qg2# 0–1. secpris – Zargoz, internet, 2003.

4.Nf3 e4 5.Nd4 Qf6 6.Bb2? c5–+ 7.Bc3 Bc3 8.dc3 cd4 9.cd4 Nc6 10.e3 b6 11.Nd2 Nd4! 12.ed4 Qd4 13.g3 Nf6 14.Rb1 d6 15.Qa4 Bd7 16.Qb3?? 0–0 17.Bg2 Rfe8 18.0–0?? Qd2 19.Rbd1 Qa5 20.Rd6 Be6 21.Re1 Qe1 22.Bf1 Bh3 23.Rd1 Qa5 24.Bh3 Rad8 25.Rd8 Rd8 26.a4 Qe1 27.Bf1 Rd1 (28.Qd1 Qd1–+) 0–1. riteshcrown – kii, internet, 2006.

3.a3 Bc5

4.Nc3 Nc6 5.Bb2 d6 6.e3–/+ a6 7.Nf3=+ Bg4 8.Be2 Nf6 9.Nd5 0–0 10.d4 ed4 11.Nd4 Be2–/+ 12.Ne2 Ng4 13.h3 Nge5–+ 14.Rc1 Rc8 15.0–0 Qh4 16.Ng3 Nc4?? 17.Ba1?? Ne3?? 18.Qf3?? Nd5 19.Nf5 Qg5 20.Ng7 Nf4 21.Kh2 Ne5 22.Be5 Qe5 23.Qg3 Qg7 24.Qg7 Kg7 25.Rc4 Ng6 26.a4 Rfe8 27.f4 f5 28.g4 Re2 29.Kg3 Kf6 30.g5 Kf7 31.h4 Rce8 32.h5 R8e3 33.Rf3 Ne7 34.a5 Nd5 35.Re3 Re3 36.Kh4 Nf4! 37.Rf4 Re4 38.Re4 fe4 39.Kg4 e3 40.Kf3 b5 (41.ab6 cb6–+) 0–1. bluecube – tocchioni, internet, 2007.

4.Nc3 Nc6 5.Bb2 Nf6 6.e4 0–0 7.Nf3 a6 (7...Ng4 8.d4 ed4 9.Na4–+) 8.Qc2 (8.Ne5 Ne5 9.d4 Bd4 10.Qd4 Re8–/+) 8...d6 9.0–0–0? (better is 9.Be2–/+) 9...Bf2 10.Nd5 Be6 11.Nf6 (11.Be2 Bc5–+) 11...Qf6 12.d3 Be3 13.Kb1 b5 14.g3 (14.cb5 Nd4 15.Nd4 Bd4 16.Bd4 ed4 17.b6–+) 14...Qf3 15.Be2 (15.Bg2 Qf6 16.Rdf1 Qe7 17.cb5 Nd4–+) 15...Qf6 16.Rhf1 Qe7 17.Rf3 Nd4 18.Qc3 (18.Bd4 Bd4 19.Kc1 Bg4–+) 18...Nf3 19.Bf3 Bd4 (19...Rfb8!? 20.Qc2–+) 20.Qc2 Bb2 21.Qb2 (21.Kb2 Rab8 22.Kc1 bc4 23.dc4 Qg5 24.Qd2 Qf6–+) 21...bc4 22.Qb7 (22.Qc1–+) 22...Rfb8 23.Qb8 Rb8 24.Kc2 cd3 25.Rd3 Qd7 26.g4 Qa4 27.Kd2 Rb2 28.Ke3 Rb3 29.h4 Qd4 30.Ke2 Qd3 31.Kf2 Qf3 0–1. jmcauley (1800) – gregorgysi (2480), net–chess.com, 2013.

4.Nc3 Nf6 5.g3 Ng4 6.e3–/+ d6 7.Bg2 c6 8.Bh3 h5 9.Nf3? Nf2! 10.Kf2 Bh3 11.d4 ed4 12.ed4 Bb6 13.Re1 Be6 14.Ng5 Qf6 15.Nf3 Na6 16.Kg2 0–0–0 17.Qd3?? Qf5 18.Qf5 Bf5 19.Be3 Ba5 20.Bd2 Rde8 21.Kf2 Kd7 22.Re8 Re8 23.Nh4? Bd3 24.Nf5 Bf5 25.Re1 Bd3 26.Re8 Ke8 27.Ke3 Bc4 0–1. guerino (2100) – nay (2190), net–chess.com, 2006.

4.e3 Nc6 –/+.

4.e3 d5 5.d4 ed4 6.ed4 Be7 7.c5 Nc6 8.Nc3 Nf6 9.Bf4 Bf5 10.Nb5 Rc8 11.Bd3 Bd3 12.Qd3 a6 13.Bc7 Rc7–+ 14.Nc7 Qc7 15.Nf3 0–0 16.0–0 Ne4 17.Qb3 Rd8 18.Rab1 Na5 19.Qb4 Ng5 20.Ng5 Bg5 21.Rfe1 Rd7?? 22.Re8# 1–0. Dingbat (2100) – Radivoj (1745), chess.net, 1998.

4.e3 Qf6 5.Bb2 c6 6.f4 d6 7.Nf3 Bg4 (7...Nd7!?–/+) 8.fe5= de5 9.Qc2? (Better is 9.Be5 Qe5 10.Ne5 Bd1 11.Kd1=) 9...Bf3–+ 10.gf3 Qf3 11.Rg1 f6?? (Better is 11...Be3 12.Rg2 Bf4–+) 12.Rg7=+ Nd7 13.Rh7 Rh7 14.Qh7 0–0–0 15.Bh3 Qh1=+ 16.Ke2? Qh2–+ 17.Kd3 Kb8 18.Bd7?? Qh7 19.e4 Rd7 20.Kc2 Qe4 21.Kb3 Rd3 22.Kc2 Ra3 23.d3 Qe2 24.Nd2–+ Ra1 25.Ba1 (25...Ne7 26.Bc3–+) 1–0. voyamatar – manormoV, Live Game Caissa's Web, 2004.

3.Ba3 Ba3–+

4.Na3 c5 5.Nf3 d6 6.e3 Nf6 7.Be2 0–0 8.h3 Nc6 9.0–0 h6 10.d4–/+ e4 11.Nh2 a6 12.f4 Qe7 13.d5–/+ Nb4 14.f5 Qe5–+ 15.g4?? Qb2 16.g5?? hg5 17.h4 gh4 18.Ng4 Ng4 19.Bg4 Qa3 20.Rf4 Qe3 21.Rf2 Nd3 (22.Qe2 Qf2 23.Qf2 Nf2 24.Kf2 b5–+) 0–1. DanielP4R – Ginger Prince, ChessWorld.net, 2004.

4.Na3 Nc6 5.e4 d6 6.h3 Nf6 7.d3 Nd4 8.Nc2 Ne6 9.Nf3 0–0 10.Be2–/+ c6 11.0–0 b6 12.Nh2 Nf4–+ 13.g3? Nh3 14.Kh1 Qe7 15.f4 d5 16.fe5 Qe5 17.Ng4 Bg4 18.Bg4 Qg3 19.Bh3 Qh3 20.Kg1 Qg3 21.Kh1 de4 22.Qe1 Qh3 23.Kg1 ed3 24.Nb4 Rae8 25.Qd2 Re2 26.Qd3 Qh2 (26...Qg2) 0–1. ana_goldberg – fretless, internet, 2005.

4.Na3 Nf6 5.Qb3 0–0 6.e3 d6 7.Nc2 Nbd7 8.d3 Nc5 9.Qa3 Re8 10.g3 Bf5 11.e4 Bd7 12.Bg2 a6 13.Ne2 b5 14.Qc3 bc4 15.Qc4 Bb5 16.Qc3 Nd3 17.Kf1 Nc5 18.h4 Nfe4 19.Be4 Ne4 20.Qf3 Nd2 (21.Kg2 Nf3–+) 0–1. ana_goldberg – Gordon, internet, 2005.

3.Qb3 Nc6

4.a3 Bc5 5.e4 (5.Nc3!?–/+) 5...Qh4 6.g3?? (6.Qg3 Qe4 7.Ne2–+) 6...Qe4 7.Be2 Qh1 8.Qd3 e4 9.f4 Qg1 10.Bf1 ed3 11.Nc3 Qf2 12.Kd1 Qf1 0–1. ANFIELD – Caissa, Live Game Caissa's Web, 2004.

4.Nf3 Nf6 5.a3 Bc5 6.e3 0–0 7.Bd3?? e4–+ 8.0–0 ed3 9.Qd3 d6 10.Nc3 a6 11.Rb1 Ba7 12.Bb2 Bd7 13.a4 Re8 14.Ba3 h6 15.Rb7 Bb6 16.Rb6 cb6 17.Bd6 Be6 18.Be5 Qd3 19.Re1 Ne5 20.Ne5 Qd2 21.Rf1 Qc3 22.e4 Ne4 23.Nf3 Bc4 24.a5 Bf1 25.h3 Qc1 26.Kh2 Nf2 27.Kg3 Ne4 28.Kh4 g5 29.Kg4 Qf4 30.Kh5 Nf6 31.Kh6 g4 32.Ng5 gh3 33.gh3 Qh4# 0–1. soraya – bar (1940), net–chess.com, 2007.

3.e3 Nc6

4.a3 Ba5 5.Bb2 Nf6 6.Nc3 d6 7.Nf3 Bf5 8.h3 0–0 9.Rc1 Rb8 (10.d4 Re8–/+; 9...Re8 10.Nd5–+). fayyaz – pierre (1835), ChessHere.com, 2005.

4.Ne2 d5 5.cd5 Qd5 6.Nbc3 Bc3 7.Nc3 Qd6 8.Be2 Nge7 9.0–0 0–0 10.a4 Qg6 11.Bh5 Qg5 12.Kh1 b6 13.Ba3 Bb7 14.Qg4 Qg4 15.Bg4 Rad8 16.Rad1 f5 17.Be2 f4 18.Bb5 Rd7 19.e4 f3 20.Nd5 fg2 21.Kg2 Nd5 22.Bf8?? Nf4–+ 23.Kh1 Kf8 24.Rc1 Rd6 25.Bc6 Bc6 26.Kg1 Ne2 27.Kg2 Nc1 28.Rc1 Be4 29.Kg3 c5 30.a5 Rd2 31.ab6 ab6 32.Re1 Rd4 33.f3 Bg6 34.Re5 c4 35.Re6 c3 36.Rc6 c2 37.Rc8 Ke7 38.Kf2 Rd1 (39.Rc6 Kd7–+) 0–1. Krone,Philipp – Germer,Philipp, GER–ch U11 Friedrichroda, 1997.

4.Ne2 Nf6 5.a3 Ba5 6.Nbc3 –+.

3.Nf3 Nc6

4.Bb2 d6 5.h3 Nf6 6.Nc3 0–0 7.e3 e4 8.Ng5 Bc3 9.Bc3 h6 (better is 9...d5!? 10.Qa4 d4 11.ed4 h6–+) 10.Bf6+= Qf6 11.Ne4 Qh4 12.Nc3 Be6 13.d4 Rae8 (13...Na5!? 14.Qa4 b6=) 14.d5+= Bf5 15.dc6 Re3 16.Ne2 Rd3 17.Qa4 b6 18.g3 (18.Qa7 Re8 19.Rc1 Qf4–+) 18...Qe4 19.Rh2 Re8 20.Qc2 (20.Qb4!?=) 20...Qe5 21.Rd1 Rc3 (21...Qa5 22.Rd2 Rc3–+) 22.Qb2+= Qa5 23.Qb5 Ra3 24.Qa5 Ra5 (24...ba5? 25.Rd2+–) 25.f3 Ra2 26.Rd2 Ra1 0–1. soidog (2020) – madik, gameknot.com, 2014.

4.e3 d5 5.a3 Ba5 6.Be2? e4–+ 7.Nd4 Nd4 8.ed4 c6 9.c5 Nf6 10.0–0–/+ h5 11.Nc3 g5 12.d3?? Bc3–+ 13.Rb1 Bd4 14.Bg5 Qc7 15.Qd2 Ng4 16.Bf4 Be5 17.Be5 Qe5 18.d4 Qh2 0–1. pieeater – SirGraves, ChessWorld.net, 2005.

4.g3 d6 5.e4 (5.a3 Bc5–+) 5...Nf6 6.Nc3 (Better is 6.Qc2–+) 6...Bc3 7.dc3 Ne4 8.Bd3 Nc5 9.Be3 e4 (Better is 9...Nd3 10.Qd3 Qf6–+) 10.Nh4 (10.Bc5 ed3 11.Bd4–+) 10...Nd3 11.Ke2 (11.Kd2 Nce5–+) 11...g5 12.Bg5 Qg5 13.Qd2 Qc5 14.g4 (14.f3–+) 14...Qf2 15.Kd1 Bg4 (16.Kc2 Qh4–+) 0–1. wellcoded – Caissa, Live Game Caissa's Web, 2004.

2.d3?? Bb4–/+

3.c3 Bc3 4.Nc3 Nf6 5.Nf3 0–0 6.Ne5 d6 7.Nc4 (7.Nf3 Re8+–) 7...Nc6 8.g3 d5 9.Nd2 Re8 10.Bg2 d4 11.Nce4 Ng4 12.0–0 Bf5 (12...Qe7 13.h3 Nge5 14.Qc2+–) 13.h3 Nh6 (13...Nge5 14.Nc5+–) 14.Nc4 b5 15.Bh6 (15.Na3 b4 16.Qa4 ba3 17.Qc6 Rb8+–) 15...gh6?! (15...bc4 16.Bf4 Nb4+–) 16.Ncd2 Kh8 17.e3 Rg8 18.g4 Be6 19.Nb3 de3 20.fe3 Bd5 21.Nf6 Rg6 22.Nd5 Ne5 23.Nc3 Nd3 24.Nd5 Ne5 (25.Qd4 Qd6 26.Nc7 Rb8+–) +–. kasparov4 – tttt, Live Game Caissa's Web, 2004.

3.c3 Bf8 4.e3 d6 5.e4 g6 6.Qe2 h5 7.Nf3 Be7 8.g3 b6 9.Bg2 Bb7 10.Bg5?? Nc6 (10...Nc6 11.Be7 Nge7=+). thedenverone – beammeupscotty (2115), net–chess.com, 2003.

3.Bd2 Be7 4.Nf3 Nc6 5.Bc3 d6 6.e3 Be6 7.g3 f5 8.Bh3 Nf6 9.0–0 0–0 10.Ng5 Qd7 (10...Bd7 11.Bg2–/+) 11.Qf3 (11.e4 g6+=) 11...Ng4 (better is 11...e4 12.Qe2 Ne5–/+) 12.Qg2?? (better is 12.Ne6 Qe6 13.e4–/+) 12...Bg5–+ 13.Re1 d5 14.Nd2 (14.f4 Bf6 15.fe5 Be5–+) 14...d4 15.ed4 (15.Bg4 fg4 16.Ne4 Be7–+) 15...ed4 16.Bb2 (16.Nf3 Bd5 17.Bb2 Nb4–+) 16...Bd2 17.Rad1 (17.Re2 Bg5 18.Qh1 Rae8–+) 17...Be1 18.Re1 Rae8 19.Qf3 Bd5 20.Qf4 Re1 21.Bf1 Nh2! 22.Bc3 dc3 23.Qd2 Nf3 24.Kg2 Nd2 25.Kh3 f4 26.Kh4 Nf3 27.Kh5 Qf5 0–1. Rockerrs – Hewlisa, playchess.de, 2006.

3.Nd2 d5 4.Bb2 Nc6 5.Be5?? Ne5–+ 6.g3 Nf6 7.Bh3 Bh3 8.Nh3 c6 9.Nf4 Qa5 10.Nh5 Nh5 (10...Nh5 11.a3 Bc3–+) 0–1. masterdono – liencam2, Live Game Caissa's Web, 2005.

3.c3 Ba5

4.Kd2 d5–+ 5.Qa4 Nc6 6.Nf3–/+ d4 7.h4 b5 8.Qb5=+ Nge7 9.e3 dc3 10.Kc2?? Rb8 11.Qc4 Be6 12.Qe4 Rb4 13.Nd4 ed4 14.ed4 Rd4 15.Qf4 Rf4 16.Bf4 Qd4 17.a4 Qf2 18.Kc1 Qb2 19.Kd1–+ Qa1 20.Kc2 Qb2 21.Kd1–+ Qb1 22.Bc1 c2 23.Ke2–+ Qc1 24.h5 Qd1 25.Ke3 c1Q (25...c1Q 26.Kf2 Qf4 27.Kg1 Qdf1#) 0–1. sirrad – CSLewis, ChessWorld.net, 2005.

4.Bd2 Nf6 5.f3 d5–+ 6.f4 Nc6 7.Na3 0–0 8.e3? Re8 9.Nf3?? ef4 10.Nc2 fe3 11.Be3 Bc3 12.Nd2 d4 13.Rb1 de3 14.Ne3 Ng4 15.Rc1 Re3 16.Be2 Qf6 17.Rf1 Qh4 18.g3 Rg3! 19.hg3 Qg3 20.Rf2 Qf2# 0–1. Widler,Norbert (1800) – Schmidt,Christoph (1605), remoteschach.de, 2005.

4.e4 Nf6 5.Qa4 Bb6 6.Bg5? h6 7.Bf6 Qf6–+ 8.Nf3 0–0 9.Be2 d6 10.c4 Nc6 11.0–0 Bg4 12.Nc3 Bf3 13.Bf3 Nd4 14.Qd1 Nf3 15.Qf3 Qf3 16.gf3 Bd4 17.Rac1 f5 18.ef5 Rf5 19.Nb5 Bb6 20.Kg2 Raf8 21.Rg1 Rf3 22.Rh1 Rf2 23.Kh3 Ra2 24.Rcf1 Rf1 25.Rf1 Rd2 26.Rf3 Rb2 27.Nc3 Rb3 (27...Rb3 28.Ne4 a5–+) 0–1. gengar – mickster the king, ChessWorld.net, 2005.

4.e4 Nf6 5.Nf3 d6 6.Be2 0–0 7.0–0 Nc6 8.Bb2 Bb6 9.Nbd2 Nh5 10.d4 Nf4 11.d5 Ne7 12.Re1 Qd7 13.Nf1 f5 14.ef5 Qf5 15.c4 Qg4 16.Ng3 Nf5 17.Ne5 Ne2 18.Re2 de5 19.Be5 Qc4 20.Rc1 Qa6 21.Qd2 Rf7 22.Ne4 Re7 23.Nc5 Qb5 24.a4 Qe8 25.Qe1 Nh4 26.f4 Ng6 27.Re3 a5 28.Kh1 Bd7 (28...Bd7 29.Qg3 Ba4–+; 28...Ne5?! 29.Re5 Re5 30.fe5–+) 0–1. Beutel,Heinrich – Luzuriaga,Norberto Horacio, corr, 2000.

3.c3 Bc5

4.f3 b6 5.Bd2 Bb7 6.e3 Qf6 7.Ne2 Nc6. thedenverone – beammeupscotty (2115), net–chess.com, 2003.

4.Nf3 Nc6!? –/+.

4.Nf3 h6 5.Ne5 d6 6.Nf3 Nf6 7.d4 Bb6 8.e3 Ne4 9.Bb5 c6 10.Ba4 Ba5=+ 11.Qd3 Bf5–/+ 12.Na3?? Bc3–+ 13.Kf1 Ba1 14.g4 Bg6 15.g5 Qb6 16.gh6 Rh6 17.Rg1 Bb2 18.Bd2 Nd2 19.Qd2 Ba3 20.Ng5 Be4 21.Rg3 Qa6 22.Ke1 Bb1 23.Qd1 Ba2 24.Qa1 Qc4 25.e4 Rh2 26.Ra3–+ Rh1 27.Kd2 Ra1 0–1. Oxshott Warrior – wayhay, ChessWorld.net, 2002.

4.g3 Qf6 5.d4? ed4–+ 6.c4 d3! 7.ed3 Qf2# 0–1. Koltermann,Marc (1800) – Aga,Abdissa (1750), remoteschach.de, 2004.

3.c3 Be7

4.Be3 d5 5.g4 (5.Nf3!? Nd7 6.Nbd2–+) 5...Bg4 6.Qb3 b6 7.f4 (7.Bg2 c6–+) 7...Qd6 (7...Bh4 8.Bf2–+) 8.Bf2 (8.fe5 Qe5 9.Bd4 Qg5–+) 8...ef4 9.Qd1 Nf6 10.e4 (10.Nf3–+) 10...Bd1 11.Kd1 de4 12.Nh3 ed3 (better is 12...e3 13.Be1 f3–+) 13.Bd3 Qd3 14.Kc1 Qh3 15.Rd1 Qh2 16.a4 Qf2 17.Nd2 Nc6 18.Kb1 0–0–0 19.Rc1 Rd2 20.Rc2 Rc2 21.a5 Rb2 22.Kc1 Qd2# 0–1. dassie – Caissa, Live Game Caissa's Web, 2004.

4.f3 Nc6 5.Na3 (5.f4 ef4 6.Bf4 d5–+) 5...d5 6.Nb5 a6 7.Na3 Bc5 8.Nb1 (8.e3 Nf6–+) 8...Bg1 (8...Nge7 9.e3–+) 9.e3 Be3 10.Be3 d4 11.cd4 ed4 12.a3 (12.Bf2–+) 12...de3 13.Qc1 Qd4 14.Nc3 Nf6 15.Ke2 (15.Ne2 Qe5–+) 15...0–0 16.h3 (16.Ke1 Ne5–+) 16...Rd8 17.Ke1 Ne5 18.Qd1 (18.Ne4 Nd5 19.Be2–+) 18...Qh4 19.Ke2 Qf2# 0–1. vishalshekhar – Caissa, Live Game Caissa's Web, 2004.

4.Nf3 Nc6 5.e4 Nf6 6.Ba3 Ba3 7.Na3 0–0 8.Be2 d5 9.0–0 (9.Qc2!? Qe7 10.ed5 Nd5–/+ (10...Qa3?! 11.dc6 Re8 12.0–0+=)) 9...de4–+ 10.de4 Ne4 11.Qc2 f5 12.Nc4 Ng5 (better is 12...Qf6!?–+) 13.Qb3 Be6 14.Qb7 (14.Ng5!? Qg5 15.Qb7–/+) 14...Bd5–+ 15.Qb5 e4?? (15...Rb8!? 16.Qc5 Bf3 17.Bf3 Nf3 18.gf3 Qf6–+) 16.Nfe5?? (better is 16.Ng5 f4 17.Rad1 Qg5 18.Rd5+–) 16...Ne5 17.Ne5 e3 (better is 17...Re8 18.Rfd1 Re5+=) 18.Rad1 ef2? (better is 18...Nh3! 19.gh3 c6 20.Nc6 Qg5 21.Bg4 Bc6 22.Qc6 ef2 23.Rf2 fg4 24.Qc4 Kh8 25.hg4 Rf2 26.Kf2 Rf8 27.Kg2 Qe3=) 19.Rf2+– Qe7? (better is 19...Nh3 20.gh3 c6 21.Nc6 Qg5 22.Kf1 Ba2+–) 20.Qd5 Kh8 21.Nc6 Qa3 (21...Qe3 22.Rd3 Qe4 23.Qd7+–) 22.Qd7 (better is 22.Rf5 Rf5 23.Qf5+–) 22...Ne4 23.Rf3 (23.Rf5 Nc3 24.Bd3 Qb2+–) 23...Qa2 24.Bd3 Qa4 25.Rc1 h5? (25...Qa3 26.Rc2+–) 26.Rh3 (better is 26.Rf5!? Rf5 27.Qf5 Nf6+–) 26...Nf6 27.Qf5 (27.Qc7?! Rfc8 28.Qg3 Qc6 29.Bf5 Qc5 30.Qf2 Qf2 31.Kf2 Rc5=) 27...Qc6 28.Rh5 (28.Rh5 Kg8 29.Rh4 Qb6 30.Kh1+–) 1–0. Sundfar – Ralf, playchess.de, 2004.

3.Nc3 Bc3

4.Qd2 Bd2 5.Kd1 Bc1 6.Nf3 Ba3 7.g3 Nc6 8.Bg2 d5 9.Kd2 e4 10.Rhb1 ef3 11.Rb3 Qg5 12.e3 fg2 13.Ra3 Qf6 14.Rb1 Qf2 15.Kc3 Qe3 16.Re1 Qe1 17.Kb3 (17.Kb2 g1Q 18.Ra4 Qb1 19.Ka3 Qgc1) 17...Qb4# 0–1. StillSleeping – Caissa, Live Game Caissa's Web, 2004.

4.Bd2 Ba1 5.Qa1 –+.

4.Bd2 Ba1 5.Qc1 Bd4 6.c3 (6.Nf3 Nc6–+) 6...Bb6 7.f3 (7.Nf3 Nc6–+) 7...d5 8.Be3 (8.e3 Ne7–+) 8...Be3 (better is 8...Be6–+) 9.Qc2 (9.Qe3 Nc6 10.Qf2–+) 9...Nc6 (9...Qe7 10.Nh3–+) 10.Nh3 Bh3 11.gh3 Qh4 12.Kd1 Nf6 13.Bg2 Qf2 14.f4 Qg2 15.fe5 Qh1# 0–1. dot2 – Caissa, Live Game Caissa's Web, 2004.

3.Bd2 Bc5

4.Nc3 Nf6 5.Nf3 0–0 6.e3 d5 7.Ne5=+ d4 8.ed4 Qd4 9.Qe2 Re8 10.Nb5?? Qa1–+ 11.Bc1 Qc1 12.Qd1 Re5 13.Be2 Re2! 14.Ke2 Bg4 15.f3 Qe3 16.Kf1 Qf2# 0–1. Widler,Norbert (1800) – Tauscher,Karl (2330), remoteschach.de, 2005.

4.d4 Bd4 5.h4?? (better is 5.Nc3–+) 5...Ba1 6.Rh3 (6.Nc3 Bc3 7.Bc3 d6–+) 6...d5 7.Rd3 Nf6 8.Rd5 (8.Nc3 Bc3 9.Bc3–+) 8...Qd5 (9.Nc3 Bc3 10.Bc3 Qc5–+) 0–1. Leigh – Caissa, Live Game Caissa's Web, 2004.

4.Nf3 Qf6 5.Be3 b6 6.Bc5 bc5 7.c3 Ne7 8.e3 Ba6 9.d4 e4 10.Ne5 d6 11.Qg4 Bb7 12.Bb5 c6 13.Ba4 g6 14.Nd2 de5 15.Ne4 Qe6 16.Qe6 fe6 17.Nd6 Kf8 18.Nb7 Nd7 19.Nc5 Kf7 20.Nd7 ed4 21.cd4 Rac8 22.Ne5 Ke8 23.Rc1 Kf8 24.Bc6 Nd5 25.e4 Nb4 26.a3 Na2 27.Rb1 Ke7 28.Rb5 Kf6 29.f4 Rhd8 30.Rb7 Rf8 31.Ng4# 1–0. desjostedt – donsjostedt (1725), net–chess.com, 2014.

4.g4 Qh4 5.Nf3?? Qf2# 0–1. taz_phcc_ist – jamesaitchy, playchess.de, 2002.

3.Bd2 Bd2

4.Qd2 d5–+ 5.e4 Ne7 6.Nf3 Nbc6 7.c3 0–0 8.Be2 Ng6 9.Na3 Nf4 10.Rg1 Be6 11.Ne5 Qd6 (11...Qd6 12.Nc6 Ne2 13.Ke2 bc6 14.ed5 cd5–+ (14...Qa3 15.de6 Rae8 16.Rge1=+); 11...Ne2 12.Nc6 Qd6 13.Ke2 bc6 14.ed5 cd5 15.Nb5 Qh2 16.Nd4–+) 0–1. Vauban – pierre (1925), internet, 2006.

4.Qd2 Nf6 5.g3 0–0–+ 6.Bg2 d5 7.Na3 Nc6 8.Rb1 a6 9.Bh3 e4 10.de4 Ne4 11.Qd3 Qf6 12.Nf3?? Bh3 13.Rb7 Rfe8 14.Qd5 Qc3 15.Nd2 Rad8 16.Rb3 Qa1 17.Rb1 Qb1! 18.Ndb1 Rd5 19.Nc4 Red8 20.f3 Rd1 0–1. jrich – eesterbauer (1790), net–chess.com, 2002.

2.d3?? d5

3.a3 (--> 1.b4 e5 2.a3 d5 3.d3).

3.c3 (--> 1.b4 e5 2.c3 d5 3.d3).

3.Nc3 d4 4.Ne4 Bf5 5.Ng3 Ne7 6.Nf3 Nbc6 7.Nf5 Nf5. carmelia – gregglander, net–chess.com, 2004.

3.Nc3? Nf6 4.a3–/+ Nc6 5.e3 Be6 6.Nge2 Bd6 7.Ng3 0–0 8.Bb2 a5 9.Be2? ab4 10.Nb5 b6 11.a4 Qd7 12.0–0 d4 13.e4 Qd8 14.Nh5 Nh5 15.Bh5 Qd7 16.Nd6 Qd6 17.Bc1 b3 18.cb3=+ Nb4 19.Bd2? Nd3–/+ 20.Qf3 Nc5 21.Bb4 Bb3?? 22.Bc5+/– bc5 23.Qb3 Qe6 24.Bd1 c4+= 25.Qb4 c6 26.f4 f6? 27.a5 Rab8 28.Qc5 c3? 29.f5 Qd7 30.Qc4 Kh8 31.Ba4 Rbc8 32.Rab1 Rg8? 33.Rb6 d3? 34.Bc6?? Qd8?? 35.Rb3 c2 36.Rd3= Qa5?? 37.Rd5?? Rgd8?? 38.Ra5+– Rd6 39.Rc5 Rd1 40.Qc2 Rf1 41.Kf1 (41.Kf1 Rf8 42.Bd5+–) 1–0. dugmak – maz_manchester, ChessWorld.net, 2005.

3.e4 Nf6 4.Qe2 Bb4 5.Kd1 Nc6 6.Qe3 d4 7.Qg5 h6 8.Qg7 Ke7 9.Bh6?? Nh5 10.Be2?? Ng7–+ 11.Bg7 Rg8 12.Bh6 Ke8 13.Nf3 Qf6 14.a4 Qh6 15.g4 Bg4 16.Nfd2 Be2 17.Ke2 Rg2 18.Nf3 Qe3 19.Kf1 Qf2# 0–1. sirrad – easydigital, ChessWorld.net, 2005.

3.Nf3 Nd7 4.Bg5 f6 5.Nc3?? fg5–+ 6.Qd2 d4 7.Na4 h6 8.c3 dc3 9.Nc3 Bb4 10.Rb1 Bc5 11.Ne4 Ba3 12.Rb3 Qe7 13.g4 Nc5 14.Ra3 Ne4 15.Qe3 Qa3 16.de4 Qa2 17.Qc3 Bg4 18.Nd2 0–0–0 19.Qe5 Qd2# 0–1. Leon – Azulmarino, internet, 2008.

2.d4 Bb4–/+

3.c3 Qf6 4.Bd2 Ba5 5.Nf3 e4 6.Qa4 b6 7.Na3?? Ne7?? 8.Nb5 Nd5 9.c4? Nc3?? 10.Bc3 Bc3=+ 11.Nc3 ef3 12.gf3 Qd4–/+ 13.Qb4 Nc6 14.e3? Nb4 15.ed4 Nc2 16.Kd1 Na1 17.Kc1 0–0 18.Bg2 Bb7 19.Kb2 Rfe8 20.Ka1 Re7 21.d5 Rae8 22.Ne4 c5 23.Rd1 Ba6 24.Bf1 f5 25.Nd6 Re1 26.Re1 Re1 27.Kb2 Rf1 28.Nf5 Rf2 (29.Kc1 Bc4–+) 0–1. verbalhowitzer – virus, net–chess.com, 2001.

3.Bd2 Bd6 4.Nf3 ed4 5.Nd4 Nf6 6.Nc3 Ng4 (6...0–0!?–/+) 7.e3 Nh2 8.Qe2 Nf1 9.Qf1 1–0. pieeater – john1007, chessworld.net, 2012.

3.c3 Ba5

4.Na3 Bc3 5.Bd2 Ba1 6.Qa1 –+.

4.Na3 Nc6 5.Nf3? (Better is 5.Bd2 d5 6.de5 Ne5 7.Nf3 Nf3 8.ef3–/+) 5...Bc3–+ 6.Bd2 Bb2 (6...Ba1 7.Qa1 Qe7 8.Qb2 Nd4 9.Nd4 ed4 10.Qd4–+) 7.Nc4 Ba1 8.Qa1 e4 9.d5 Nce7 10.Qg7=+ Nd5?? 11.Nfe5 Qe7 12.Qh8+– Kf8?? 13.Bh6 Ke8 14.Qg8 Qf8 15.Qf8 1–0. voyamatar – Rplvn, Live Game Caissa's Web, 2004.

4.Qa4 b6 5.de5 Nc6 6.Nf3 Ba6 7.Qg4 Kf8 8.e4 Bf1 9.Kf1 h6 10.Ke2 Qe8 11.Ba3 Nge7 12.Rd1 Rd8 13.Kf1 Kg8 14.Be7 Qe7 15.Qf4 Qe6 16.a4 g6 17.Kg1 Kg7 18.Rd5 Ne7?? 19.Nd4+– Nd5 20.Ne6 de6 21.ed5 Rd5 22.Qf6 Kg8 23.Kf1 b5 24.ab5 Bb6 25.Na3 Rh7 26.Nc4 Bc5 27.Ra2 Rd7 28.Rd2 Rd2 (29.Nd2 Bb6+–). Gervie – SirGraves, ChessWorld.net, 2005.

4.Bd2 Qf6 5.de5 Qe5 6.Nf3 Qc5 7.e4 d6 8.Bd3 Nf6 9.0–0 0–0 10.Be3 Qc6 11.Nd4 Qc5?? 12.Ne6 Qe5+= 13.Nf8 (13...Ng4 14.f4 Ne3 15.fe5 Nd1 16.Rd1+=). gdraper (2000) – threelegs (2000), net–chess.com, 2006.

4.e3 ed4 5.Qd4 Qf6 6.Qf6 Nf6 7.Bb2 –/+.

4.e3 e4 5.Bd2 (5.Qa4 c6–/+) 5...d5 (better is 5...Nf6!?–+) 6.c4+= c6 7.cd5 cd5 8.Qa4 Nc6 9.Ba5 a6?? (better is 9...Qa5 10.Qa5 Na5–/+) 10.Bd8+– Kd8 1–0. john1007 – 488, chessworld.net, 2012.

4.e3 Nf6 5.Bc4?? e4 6.Ba3 d6 7.Qb3 0–0 8.Ne2 Be6?? 9.Nf4?? Nbd7?? 10.Ne6 fe6+= 11.Be6 Kh8 12.0–0 Nb6 13.Nd2 c6 14.Bb4 Bb4 15.Qb4 a5 16.Qb2 Re8 17.Bb3 a4 18.Bc2 d5 19.a3 Rb8 20.Rab1 Nc4 21.Nc4 dc4 22.Ba4 b5 23.Bc2 Qd6 24.Qb4 Qe6 25.a4+/– ba4? 26.Qa4?? Rf8 27.Rb8+– Rb8 28.Rb1 Rb1 29.Bb1 h6 30.Ba2 Qd6 31.Bc4 Ng4 32.g3 Qg6?? 33.Be2 Kh7 34.h3 Nf6? 35.Qc6 Nh5 36.Bh5 Qc6–+ (37.f4 Qc3–+) 0–1. akadawn – pieeater, ChessWorld.net, 2005.

4.de5= Nc6 5.Nf3 Nge7 6.e4 0–0 7.Bc4 Rb8 8.0–0= Ng6 9.Ba3 Re8 10.Qd5 Re6 11.Qd2 Nce5 12.Be6 Nf3 13.gf3 fe6 14.Bc1 b5 15.Qg5 Qg5 16.Bg5 Ne5 17.f4 Nd3 18.Rd1 Nb2 19.Rd2 Na4 20.Rd3 c5 21.Be7 c4 22.Rg3 Bc7 23.Bf6 g6 24.Be5 d6 25.Bd4 a5 26.e5 Nb2 27.ed6 Bd6 28.Be5 Be5 29.fe5 Nd3 30.Re3 Ba6 31.Nd2=+ Rf8 32.Ne4 Bb7 33.Nf6 Kg7 34.a3 ˝–˝. Knorr,B – Zylla,Johannes, corr SOK–92–92, 1989.

4.de5 Ne7 +=.

3.c3 Bd6

4.e4 ed4 5.cd4 Qh4 6.e5? Bb4–+ 7.Bd2? Qd4 8.Nf3 Qa1 9.Bb4 Qa2 10.Nc3 Qe6 11.Qd4 Nc6 12.Qf4 Nb4 13.Qb4 a5 14.Qd4 c6 15.Ng5 Qg6 16.Nce4 a4?? 17.Bc4?? Nh6–+ 18.Nd6 Kf8 19.Ngf7 Qb1 20.Qd1?? Qd1 21.Kd1 Nf7 22.Nf7 b5 23.Ba2 b4 24.Bc4?? Ra5 25.Kd2?? Ke7 26.Nh8–/+ Re5 27.Ra1 d5 28.f4 Re4 29.Bd3 Rd4?? 30.Ke3= c5 31.Rc1?? b3?? 32.Rc5+– Rb4 33.Rc8 b2 34.Ra8?? Rb3–/+ 35.Ra7 Kd6 36.Nf7 Kc5 37.Rc7? Kb6–+ 38.Rc2 b1Q 39.Rc6 (39.Kf2 Rd3 40.Re2 a3–+) 0–1. Alex Raistrick – vallabhan, internet, 2007.

4.e4 ed4 5.Nf3 dc3 6.Nc3 Nc6 7.Bc4 Ne5 8.Ne5 Be5 9.Bf7 Kf8 10.Bb2 Qf6 11.Nd5=+ Qd6 12.Be5 Qe5 13.Bg8 Kg8 14.0–0= c6 15.Re1 Qd6 16.Nc3 Qd1 17.Rad1 Kf7 18.Rd6 Re8 19.f4 Re6 20.Red1 Rd6 21.Rd6 Ke7 22.e5 b6 23.Kf2 Ba6 24.Ke3 Bc4 25.Kd4 Be6=+ 26.h4 a5 27.a4 Rb8 28.g3 b5 29.ab5 cb5 30.h5 a4 31.Ra6–/+ a3 32.f5 Bg8 33.Ra3 b4–+ 34.Ra7 bc3 35.Kc3 Bf7 36.g4 Rb3 37.Kd2 Rb4 38.h6 g5 39.Ra6 Rb5 40.f6 Kf8 41.Ra8 Be8 42.Kc3 Re5 43.Rb8 Kf7 44.Kd4 Re6 45.Ra8 Kf6 46.Rd8 Kg6 47.Kc5 Kh6 48.Kd4 Bg6 49.Kc5 Re4 50.Rd7 Rg4 51.Rd1 Kh5 52.Rh1 Rh4 53.Re1 Rh2 54.Rg1 g4 55.Kd5 Re2 56.Kd4 Kg5 57.Rg3 Kf4 58.Rg1 g3 (59.Rf1 Rf2–+) 0–1. Pierred (2105) – Controler, Rated game, 1m + 2s, 2005.

4.e4 ed4 5.Nf3 dc3 6.Nc3 Nf6 7.Bc4 0–0 8.0–0 Be7 9.e5=+ Ne8 10.Nd5 d6 11.Re1 Be6 12.Qc2 de5 13.Ne7 Qe7 14.Ng5 Nf6 15.Ne6 fe6 16.Re5 Kh8 17.Re6 Qd8 18.Bb2 Nc6? 19.Rd1+– Qc8 20.Qc3 a6?? 21.Rd3?? Rb8?? 22.Rf6!+– Rf6 23.Qf6!! Qf8 24.Qf8 Rf8 25.Rg3 h6 26.Bg7 (26…Kh7 27.Bb2 Ne5 28.Be5 h5 29.Bd3 Rf5 30.Bf5 Kh6 31.Bg7#) 1–0. guest3315 – guest2261, ICC, 2006.

4.e4 ed4 5.Nf3 dc3 6.Bc4 Qf6 7.0–0 Ne7 8.Bg5= c2 9.Qc2 Qa1 10.Nc3 Qf1 11.Kf1 Nbc6 12.Nb5 Ng6 13.Bd5 0–0 14.Nd6 cd6 15.Nh4 Nh4=+ 16.Bh4 Nb4 17.Qc4 Nd5 18.Qd5 b6 19.Ke1 Ba6 20.a3 Rfc8 21.Bg3 Rc1–+ 22.Kd2 Rac8 23.f3 Bf1 24.Ke3 Bg2 25.Be1 Bf3 26.Bd2 R1c5 27.Qd6 Bg4 28.Kf4 Be6 29.Be3 Rh5 30.Bd4 Rh3 31.e5 h6 32.Ke4 Rc2 33.Qb8 Kh7 34.Be3 Re2 35.Kd3 Rhe3 36.Kd4 Rb3 (37.Qa8 Rd2 38.Ke4 Rc2 39.Qd5 Re2 40.Kd4 Rd2 41.Ke4 Bd5 42.Kf5 Rf2 43.Kg4 Be6 44.Kh4 Rh2#) 0–1. Pierred (2165) – Li_Bra (2360), Rated game, 2005.

4.de5 Be5 5.Nf3 Nc6 6.Ne5 Ne5 7.e4 Nf6 8.f4 Neg4?? 9.e5+/– Ng8? 10.Qg4+– d6 11.Qg7 de5 12.Qh8 Be6 13.Qg8 Ke7 1–0. Gervie – pieeater, ChessWorld.net, 2005.

4.de5 Be5 5.Nf3 Bf6 6.e4 Nc6 7.Qd5 Nge7 8.Qc4 0–0 9.Bg5 Bg5 10.Ng5 h6 11.Nf3 Ng6 12.Nbd2 Re8 13.Bd3 d5 14.Qd5 Qd5 15.Bc4 Re4 16.Kd1 Rc4 17.Re1 Bg4 18.Re3 Bf3 19.gf3 Rd8 20.Re2 Qf3 21.Rc1 Nf4 22.Kc2 Qe2 23.Kb3 Na5 24.Kb2 Rd2 25.Kb1 Rb2 26.Ka1 Ra2 27.Kb1 Qb2 0–1. benzodrene – zrenjanin (2025), gameknot.com, 2013.

4.de5 Be5 5.f4 Bf6 6.Bb2 d6 7.Nf3 Bg4 8.e4 Ne7 9.e5 Bf3 10.Qf3 de5 11.fe5 Bg5?? 12.Qb7?? Nd7 13.Bb5? 0–0–/+ 14.0–0?? Rb8–+ 15.Qa6 Ne5 16.a4?? c6 17.Be2 Rb2 18.Bc4 Nc4 19.Qc4 Qb6 20.Kh1 c5 21.a5 Qc6 22.Qg4 h6 23.h4 Bh4 24.Na3 Bg5 25.Nc4 Rc2 26.Ne5 Qd5 27.Nd7 f5 28.Qf3 Qd7 29.Rfd1 Qc6 30.Rf1 Qf3 31.Rf3 Bf6 32.Rd3 Rc3 33.Rd7 Re3 34.Rc1 Bd4 35.Ra7 f4 36.Rf1 Rf5 37.Ra8 Kh7 38.Rf3 Rh5 39.Rh3 Reh3 40.gh3 Rh3 41.Kg2 Ra3 42.a6 Nf5 43.Rf8–+ Nh4 44.Kh2 Ra6 45.Kh3 Ng6 46.Rf7 Ra3 47.Kg4 Be3 48.Rc7 c4! 49.Kf5 c3 50.Kg4 Ne5 51.Kf5 Ng6 52.Ke4?? Bd2–+ 53.Kd3 f3 54.Kc2 f2 55.Rf7 Be3 56.Kd3 Ne5 57.Ke2 c2 58.Rc7 c1Q 59.Rc1?? Bc1 60.Kf2 Kg6 61.Ke2 Kg5 (62.Kd1 Be3 63.Kc2 h5 64.Kb1 h4 65.Kb2 Nc4 66.Kc2 h3 67.Kd1 Ra2 68.Ke1 h2 69.Kf1 h1Q#; 61...Ra2 62.Ke1 Be3 63.Kd1 Rf2 64.Ke1 Nd3 65.Kd1 Rd2#) 0–1. juancabeta – pauloroberto (1605), internet, 2006.

4.Nf3 ed4 5.cd4 Bb4 6.Nfd2 Nf6 7.a3 Ba5 8.e4 d6 9.Bb5 Bd7 10.Bd7 Qd7 11.f3 Qb5 12.Rf1 Qd3 13.Rf2? Qd4–+ 14.Re2?? Qa1 15.g4 Qb1 16.Re3 Qb6 17.Qe2 0–0 18.Kf2 Nc6 19.e5 Ne5 20.Nc4 Nc4 21.Qc4 Rae8 22.Qe2 Nd5 23.h4 Ne3 24.Be3 Re3 25.Qe3 Re8 (26.Qb6 Bb6 27.Kg2 Re2 28.Kf1 Ra2–+; 25...Be1! 26.Ke2 Qb5 27.Ke1–+) 0–1. KaiKerling – zggenev, ChessWorld.net, 2005.

4.Nf3 e4 5.Ne5 Qe7 6.Bf4?? Nc6?? 7.Nc6–/+ dc6 8.Bd6 Qd6 9.e3 Nf6 10.Bc4 c5 11.0–0 cd4 12.cd4 c6 13.h3 b5 14.Bb3 0–0 15.f3 (15...Qg3 16.Kh1–/+). Tricky.1 – Ridgereeno, ChessWorld.net, 2005.

4.Nf3 e4 5.Ng5 Nf6 (6.Qc2 Qe7–/+) 0–1. kings – kolokwium, internet, 2006.

3.c3 Be7

4.e3 e4 5.Ba3 d5 6.g3 Nf6 7.Bg2 c5 8.Ne2 0–0 9.0–0 Nc6 10.Nd2 Bg4 11.h3 Be2 12.Qe2 cd4 13.cd4?? (better is 13.Be7 Qe7 14.cd4–/+) 0–1. akadawn – Gervie, ChessWorld.net, 2005.

4.de5 Nc6 5.e4 Ne5–/+ 6.Nf3 Nf3 7.Qf3 d6 8.Bf4 Be6 9.Nd2 Qd7 10.Rb1 b6 11.Bc4 0–0–0 12.0–0 Bc4 13.Nc4 d5?? 14.Ne5+– de4 15.Qe4 (15…Qd5 16.Qd5 Rd5 17.Nf7+–) 1–0. Gervie – akadawn, ChessWorld.net, 2005.

3.Bd2 c5

4.d5 b6 5.e4 Nf6 6.Bd3 d6 7.Nf3 h6 8.0–0 a6 9.a3 Bd2 10.Qd2 Bg4 11.Qe3 0–0 12.Nbd2 Nbd7 13.Nh4 (13.Rab1 Qc7+=) 13...b5 (13...Nd5 14.ed5 Qh4 15.h3–+) 14.c3 (14.h3 Bh5 15.g4 c4–/+) 14...Nh5 (14...c4 15.Bb1 Nd5 16.ed5 Qh4 17.h3–+) 15.Ndf3 Nf4 16.Rfd1 Bf3 17.Qf3?? (better is 17.Nf3 Qa5 18.Bf1–/+) 17...Qh4–+ 18.Be2 (18.a4 Nd3 19.Rd3 Nf6–+) 18...Nf6 (18...f5 19.ef5 Rf5 20.Qg4–+) 19.Rab1 (19.Re1 Rfb8–+) 19...Qg5 (better is 19...Ne4!? 20.Bf1 f5 21.c4–+) 20.Re1 h5 21.c4 b4! 22.ab4 Rfb8 23.b5 ab5 24.cb5 Ra4 25.b6 Re4 26.b7 Rb4 27.Rb4 N6d5 28.h3?? Nb4–+ 29.Rd1 d5 30.Kh2 Rb7 31.g3 Ne6 Black prepares d4 32.h4 Qg6 33.Kh3 e4 34.Qe3 Ra7 35.f3 d4 36.Qb3 d3 37.Bf1 Qf5 38.Kg2 Ra2 39.Kg1 Qf3 40.Re1 Qg3 41.Kh1 Qh2 0–1. pieeater – 488, chessworld.net, 2012.

4.d5 d6 5.Nf3 Nf6 6.e3 (better is 6.c3 Ba5 7.e4–/+) 6...Qa5?? (6...Nd5 7.Bb5 Bd7 8.Bd7 Qd7 9.c4–+) 7.Bc4?? (better is 7.c3 Ba3 8.Qb3+/–) 7...b5–+ 8.Bb3 (8.Be2 e4 9.Ng5 h6–+ (9...Nd5?! 10.Ne4 Bd2 11.Nbd2=)) 8...c4 9.0–0? (better is 9.Bb4 Qb4 10.c3–+) 9...cb3 10.cb3 Bf5 11.Bb4 Qb4 12.a3 Qe4 (better is 12...Qc5–+) 13.Nc3 Qd3 14.Qc1? (14.Qd3 Bd3 15.Rfd1 e4–+) 14...Bg4 (14...Nd5 15.Nd5 Qd5 16.Rd1 Qb3 17.e4–+) 15.Rd1 (15.Ne1 Qg6–+) 15...Qg6 16.a4 (16.Nh4 Qg5 17.f3 Qh4 18.Nb5 0–0–+) 16...0–0 (16...Bf3 17.g3 ba4 18.Na4 Bd1 19.Qc8 Ke7 20.Qh8 Bb3 21.Qc8–+) 17.Qd2 (17.Nh4 Qh5 18.f3–+) 17...Bf3 18.Re1 Qg2 0–1. pieeater – 488, chessworld.net, 2012.

4.de5!? d5 5.ed6 Qd6 6.a3 Bd2 7.Qd2 =.

4.de5!? d5 5.ed6 Qd6 6.Bb4 Qd1 7.Kd1 cb4 8.c3 =.

3.Bd2 Bd2–/+

4.Qd2 e4 5.c4 f5 6.Qf4 d6 7.c5 (7.e3 Nc6–/+) 7...d5 (better is 7...dc5!? 8.Qe5 Qe7 9.Qc5 Qc5 10.dc5 Na6–+) 8.Nc3 Nf6 9.e3 0–0 10.Nh3 Nc6 11.a3 Be6 12.Ng5 Bf7 (12...Bd7 13.Be2+=) 13.Qf5= Bg6 14.Qh3 Nh5? (better is 14...Qe7+=) 15.Ne6+– Qf6 16.Nf8 Rf8 17.Nd1 (17.Nd5 Qf2 18.Kd1 Nd4 19.Ne7 Kf7 20.Bc4 Ke7+=) 17...Nd4 (better is 17...Qf7+–) 18.Ra2?? (18.ed4 Qd4 19.Qc3 Qf6+–) 18...Qf5?? (better is 18...Ne6!?+=) 19.Qf5 (better is 19.ed4 Qh3 20.gh3+–) 19...Bf5?? (better is 19...Nf5 20.Rb2 b6 21.cb6 ab6+/–) 20.Be2 (better is 20.ed4 b6 21.Rc2+–) 20...Ne2+= 21.Re2 Bg4 22.Rc2 Bd1 23.Kd1 c6 24.Re1 Nf6+= 25.h3 Nd7 26.Rf1 b6? 27.cb6+/– ab6 28.Rc6 Ra8 29.Rd6 Nf6 30.Rb6 Ra3 31.Kc2 Rd3 32.Ra1 h6 33.Rf1 Kf7 34.Rd6 Ke7 35.Ra6 Nd7 36.Rd1 Rd1 37.Kd1 Nc5 38.Ra5 Kd6 39.Ra7 Nd7 40.Ke2 h5 41.Ra5 Ke6 42.f3 ef3 43.Kf3 Nf6 44.Kf4 Kd6 45.g3 Ke6 46.Kg5 Kf7? 47.Kf5 Kg8 48.g4 hg4 49.hg4 Kh7 50.g5 g6 51.Kf6 1–0. 488 – delightful_porridge, chessworld.net, 2014.

4.Qd2 ed4

5.Qd4 Qf6 6.Qe3 Ne7 7.Nc3 0–0 8.Rb1 d5 9.Qd2 c6 10.Nf3 Nd7 11.e3 Ng6 12.Be2 Nde5 13.Ne5 Ne5 14.0–0 b5 15.e4 d4–+ 16.Nd1 a6 17.f4–/+ Nc4 18.Bc4 bc4 19.e5 Qd8 20.Nf2 Qd5 21.Rfd1 c5 22.Qa5 Bf5–+ 23.Rbc1 h5 24.a4 Rfe8 25.Qe1 a5 26.h3 Ra6 27.Qe2 Rg6 28.g4 Bd7 29.Ra1? hg4 30.hg4 Bc6 31.Kf1 f6 32.f5 Re5 33.Qe5 fe5 34.fg6 Qg2 35.Ke1 Bf3 36.Rab1 Qg1 37.Kd2 Qf2 38.Kc1 Qe3 (39.Kb2 Qc3 40.Ka2 Qc2 41.Ka3 Qg6 42.Rb8 Kf7–+) 0–1. JAY2PLAY – Ihaveagirlfriend, ChessWorld.net, 2005.

5.Qd4 Qf6 6.Nf3 Nc6 –/+.

5.Qd4 Nf6 6.Qe5!? Kf8 7.Nf3 –/+.

5.Qd4 Nf6 6.f3? 0–0 7.e3 Nc6 8.Qh4 Re8 9.Bd3 Re3 10.Kf2 Ne4! 11.Ke3 Qh4 12.Be4 Qe1 13.Kf4 d5 (14.Bh7 Kh7–+) 0–1. Phoenix30 – Caissa, Live Game Caissa's Web, 2004.

5.Qd4 Nf6 6.f3? Nc6 7.Qe3 Ne7 8.Nc3 –+.

5.Qd4 Nf6 6.Qf4 0–0 7.Nh3 d5–+ 8.Ng5 h6 9.Qf5?? Bf5 (10.Nf3 Ng4–+) 0–1. prizin20032000 – Caissa, Live Game Caissa's Web, 2004.

2.d4 ed4

3.a3 a5 4.Qd4 ab4–/+ 5.ab4 Ra1 6.Qa1 Bb4 7.Bd2 Bd2 8.Nd2 Nf6 9.e4 d6 10.Ngf3 0–0 11.Bd3 Nc6 12.0–0 Nd7 13.Nd4 Nd4 14.Qd4 Qf6 15.Qf6 Nf6 16.f4 Nd7 17.Nb3 b6 18.Ra1= Bb7 19.Ra7 Rb8 20.e5 Nc5 21.Nc5= bc5 22.c4 h6 23.Kf2 Kf8 24.g4 de5 25.fe5 Ke7 26.Ra5 Bc8 27.Rc5 Bg4 28.Rc7 Ke8 29.c5 Be6 30.Ra7 Rb2 31.Kg1 Bd5 32.h3 h5 33.Bf1 g5 34.Ra3 g4 35.hg4 hg4 36.Rd3 Bc4 37.Rc3 Bf1 38.Kf1 Kd7 39.Rc4 g3 40.c6 Kc7 41.Rc3 Rf2 42.Kg1 Rf5 43.Kg2 Re5 44.Kg3 Re6 45.Kg4 Rc6 46.Rc6 Kc6 47.Kf3 Kd5 48.Kf4 Kd6 49.Kf5 Kd7 50.Kf6 Ke8 51.Ke5 Ke7 52.Kf5 Kf8 53.Ke4 Ke7 54.Kf5 f6 55.Ke4 Ke6 56.Kf4 f5 57.Ke3 Ke5 58.Kf3 Ke6 59.Ke2 f4 60.Kf3 Kf5 61.Ke2 Ke4 62.Kf2 f3 63.Kf1 Ke3 64.Ke1 f2 65.Kf1 Kf3 ˝–˝. teoretic (1990) – berlinwall (1845), internet, 2007.

3.a3 Be7 4.e4 d6 5.Nf3=+ Nf6 6.Bb5 c6=+ 7.Be2 Ne4–/+ 8.0–0 0–0 9.Qd3 d5 10.Bb2 c5 11.bc5 Nc6 12.Nd4 Bc5 13.Nd2 Bd4 14.Bd4 Re8 15.Rfe1 Bf5 16.c3 Qa5 17.Nb3 Qc7 18.Qf3 Bg6 19.Bb5 Re6 20.Be3 Nc3–+ 21.Bc6 Rc6 22.Nd4 Rc4 23.Qh3 Re8 24.Rac1 f6 25.Kh1 Qe7 26.Qg4 Qa3 27.Ra1 Qb4 (28.Rec1 f5–+) 0–1. Pierred (2105) – Dinosaur (2305), Rated game, 1m + 3s, 2005.

3.b5 Nf6 4.Qd4=+ Be7 5.Nf3 d5 6.c4 0–0 7.cd5 Qd5 8.Qd5 Nd5 9.Ba3 Nb4 10.Bb4 Bb4 11.Nbd2 a6 12.b6 cb6 13.a3 Bc3 14.0–0–0 Be6 15.Ne4 Rc8 16.Nd6 Rc6 17.Kb1 Nd7 18.g3 Nc5 19.Bg2 Bf6 20.Nh4 Rc7 21.Nhf5? Na4 22.Rd3 Nc3 23.Kc1 Ne4 24.Kd1 Nf2 25.Kd2 Rd8 26.Rb1 b5 27.a4 ba4 28.Bb7 Bf5 29.Nf5 Bg5 30.Ke1 Nd3 31.ed3 a3 32.Ra1 Rc1 33.Kf2 Ra1 34.d4 Rb1 (35.Ba6 a2–+) 0–1. Pierred (2105) – Michael Jacques, Rated game, 1m + 2s, 2005.

3.c3 dc3 4.Nc3 Bb4 5.Bb2 Nf6 6.a3 Bc3 7.Bc3 0–0 8.Rb1 d5 9.Bf6 Qf6 10.Qd5 Qc3 11.Qd2 Qa3 12.e4 Nc6 13.Bb5 Rd8 14.Nf3?? Rd2 15.Kd2 Bh3! (16.Bc6 bc6–+) 0–1. Pierred (2290) – N R W (2430), Rated game, 1m + 3s, 2005.

3.Qd4 Qf6 4.Qf6 Nf6 5.Ba3 Ne4 6.b5 d6 7.Nh3 Bh3 8.gh3 g5 (9.Bg2 d5 10.Bf8 Rf8=; 8...a6!?=+). clifford – nwishn (2000), net–chess.com, 2007.

3.a3 c5

4.c3 dc3–/+ 5.Nc3 cb4 6.ab4 Bb4 7.Bd2 Nf6–+ 8.Nb5 Bc5 9.Nf3 0–0 10.e3 Nc6 11.Bd3 d6 12.Bc3 a6 13.Nbd4 Nd5 14.Bb2 Bb4 15.Kf1 Ne5 16.Kg1 Nd3 17.Qd3 Bc5 18.Nf5 Bf5 19.Qf5 Ne7 20.Qd3 Qb6 21.Bc3 Qb3 22.Ng5 f5 23.Rb1 Qd5 24.Qc2 b5 25.Rd1 Qc4 26.Qb2 b4 27.Bg7 Qg4 28.Rd3 Qg5 29.Bf8 Rf8 30.Qa2 Kh8 31.Qa1 (31.h4 Qg7 32.Qa6 f4–+). Pierred (2170) – Aixbot_XXL, Rated game, 3m + 0s, 2005.

4.c3 dc3 5.Nc3 Nf6 6.Bg5 cb4 7.Bf6 Qf6 8.Nd5 Qd6 9.Nf3 ba3 10.e4 Nc6 11.Bc4 a6 12.0–0 b5 13.Bb3 b4 14.e5+= Qb8 15.Re1 a5 16.Ba4 Ra6 17.Qd3 Ne7 18.Rac1 Rc6 19.Qb3? Rc1–+ 20.Rc1 Nd5 21.Qd5 Be7 22.Qd3 0–0 23.Bc2 g6 24.Re1 d6 25.Bb3 Qc7 26.e6 fe6 27.Qe2 d5 28.Ba2 a4 29.Kh1 Qc3 30.Rb1 b3 31.Qd1 ba2 32.Ra1 Qb2 33.Ne5 Rf2 (34.Nd3 Rd2–+) 0–1. Pierred (2315) – Caligula_of_Rome (2545), Rated game, 3m + 0s, 2005.

3.Qd4 Nc6

4.Qe3 Qe7 5.a3 Qe3 6.Be3 Nf6 7.Nf3 Be7 8.Nc3 a6 9.Bf4= d6 10.e4 0–0 11.Bc4 Be6 12.Bd5 Bd7 13.0–0–0 Rfb8 14.e5+= de5 15.Ne5 Ne5 16.Be5 Nd5 17.Nd5 Bd8 18.Bc7+– Bc6 19.Bb8 Rb8 20.c4 Rc8 21.Kb2 Ba4 22.Rd4 Bg5 23.h4 Bh6 24.Ne7 (24…Kf8 25.Nc8+–) 1–0. pierre – xangzuclaws, ChessHere.com, 2006.

4.Qe3 Qe7 5.Bd2 Qe3–+ 6.Be3 Nb4 7.Kd1 d5 8.a3–/+ Nc6 9.Nc3 Be6–+ 10.Nb5 Bd6 11.Nd6=+ cd6 12.Rb1 b6 13.Bg5 h6 14.Bh4 g5 15.Bg3 Kd7 16.e3 Nf6 17.Bb5=+ Ne4 18.Ne2 a6 19.Bc6 Kc6 20.f3 Ng3 21.hg3 b5 22.Nd4= Kb6 23.a4 Bd7=+ 24.ab5 ab5 25.g4 Kc5 26.Ke2 Ra3 27.g3 b4=+ 28.Nb3 Kc4 29.Rbd1 Ba4 30.Rd4 Kc3 31.Rd5 Kc2 32.Na1–/+ Ra1?? 33.Ra1+/– Ra8 34.Rd2+– Kc3 35.Rc1 Kb3 36.Rb1 Ka3 37.Rd6 b3+/– 38.Rh6 Ka2=+ 39.Rhh1 b2–/+ 40.Kd3 Rc8 41.Rbg1 Bc2 42.Kd4 b1Q 43.Rb1 Bb1 44.e4 Bc2 45.Rh7 Bb3 46.Rg7 Rc4 47.Kd3 Rc5 48.f4 f6?? 49.Rg6 Kb2 50.Rf6 Rc3 51.Kd4 Rg3 52.fg5 Rg4 53.g6 Bc2= (54.Rb6 Kc1=). waller – Whatever, playchess.de, 2002.

4.Qe3 Be7 5.b5 Nb4 6.Qd2 d5?? 7.a3+/– a5 8.ab4+– Bb4 1–0. aspasio – honeybear, ICC, 1999.

4.Qe4 Be7–/+ 5.Bb2 d5 6.Qf4 Bb4 7.c3 Bd6–+ 8.Qe3 Nge7 9.c4 d4 10.Qg5 Bb4 11.Kd1 0–0 12.Na3 f6 13.Qg3 Ne5 14.Qb3 c5 15.e3?? de3 16.Kc1 Qd2 17.Kb1 Bf5 18.Nc2 Qd1 19.Bc1 Ba3! 20.Ne2 Rfd8 21.fe3 Rd2 22.Qb7 Qc2# 0–1. juancabeta – pierre, ChessHere.com, 2005.

4.Qe4 Be7 5.Bb2 Nf6 6.Bf6=+ gf6 7.c3 Rg8 8.Qh7+/– Rf8 9.e3 f5 10.Qf5 f6?? 11.Bc4 (11…Ne5 12.Qh5 Nf7 13.Nf3+–; better is 11.Qh5!? Rf7 12.Bc4 Ne5+–) 1–0. juancabeta – cole baker, internet, 2005.

4.Qe4 Be7 5.Nf3 Nf6–+ 6.Qc4 d5 7.Qc3?? Bb4–+ 8.Bd2 Bc3 9.Bc3 0–0 10.e3 Bg4 11.Be2 Ne4 12.0–0 Nc3 13.Nc3 d4 14.ed4 Bf3 15.Bf3 Nd4 16.Bb7 Rb8 17.Ba6 Qf6 18.Bd3 Qg5 19.g3 Qh5 20.Be4 Nf3 21.Bf3 Qf3 22.Rae1 Qc3 0–1. bar (1965) – lubomir (1755), net–chess.com, 2005.

2.d4 e4

3.a3 d5 4.c4 c6 5.Nc3 Be6 6.cd5 cd5 7.Bf4 a6 8.Rc1 Nf6 9.e3 Bd6 10.Bd6 Qd6 11.Qa4 Bd7 12.b5 0–0 13.Nge2 Be8 14.Nf4= Nbd7 15.Qb4 Qb4 16.ab4 a5? 17.ba5+– Ra5 18.Nfd5 Nd5 19.Nd5 f5 20.f3 Bf7 21.Ne7 Kh8 22.Rc7 Nb6 23.Rb7 Na4?! 24.fe4 fe4 25.Kd2 h6? 26.Be2 Be6 27.Ng6 Kg8 28.Nf8 Kf8 29.Rf1 Kg8 30.Rc1 Nb2 31.Rb8 Kf7 32.Rc7 Kf6 33.Rf8 Kg5 34.Rg7 Kh4 35.Rf4 (35…Bg4 36.Rgg4 Kh5 37.Rf5#) 1–0. Pierred (2180) – Andrewdeng, Rated game, 1m + 3s, 2005.

3.a3 Nf6 +=.

3.Nc3 Bb4 4.Rb1?? Bc3–+ 5.Bd2 Bd2 6.Qd2 Nf6 7.Qe3 d5 8.Nf3 0–0 9.Ne5 Nbd7 10.Qg5 c5 11.e3 Qa5 12.Kd1 Ne5 13.Qe5 Qa2 14.Rc1 Bg4 15.Be2 Qc4 16.Bg4 Ng4 17.Qf4 Nf6 18.Rb1 cd4 19.Re1 d3 20.cd3 Qd3 21.Kc1 Rac8 22.Kb2 Rc2 (23.Ka1 Qa3) 0–1. kong – ncc_1701, ChessWorld.net, 2005.

3.Be3 d5 4.h3? (4.a3 a5 5.b5 Nf6+=) 4...Nf6 (4...Bb4!? 5.Bd2 Bd6–+) 5.c3 Bd6 6.g4 0–0 7.f3 ef3 8.Nf3 Bg3 9.Kd2 Ne4 10.Kc2 Qd7 11.Rg1 Qc6 12.Bg2 Bf2 (better is 12...a5 13.ba5 Re8–+) 13.Ne5?? (better is 13.Bf2 Nf2 14.Qe1+=) 13...Qc4 (better is 13...Qa4 14.Kb2 Qd1 15.Rd1 Be3 16.Be4 de4–+) 14.Bf2 (better is 14.Nc4 Bg1 15.Qg1+–) 14...Nf2 15.Qd2?? (better is 15.Qe1 Qb5 16.Qf2+–) 15...f6?? (15...Qb5 16.a4 Qe8 17.Bd5+=) 16.Na3 (better is 16.Nc4 dc4 17.Qe3+–) 16...Qa6= 17.Bd5 Kh8? 18.Nec4 Re8 19.Rg2 Ne4 20.Qe3 Nd6 21.Qd3 b5?? 22.Nd6+– cd6 23.Ba8 Nd7 24.Nb5 Bb7 25.Bb7 Qb7 26.Rf2 a6 27.Nd6 Qa8 28.Ne8 Qe8 29.h4 Nb6 30.Qa6 Nd5 31.Kb3 Ne3 32.Raf1! Qf7 33.c4 Ng4 34.Qc8 Qg8 35.Qg4 h6 36.Qg6 Qd8 37.Rd1 Qd6 38.Rg2 Qd7 39.c5 Qd5 40.Kc3 Qa2 41.Qg7 1–0. pjc49 – DGJ, chessworld.net, 2012.

3.e3 Bb4

4.c3 Ba5 5.Nh3 Nf6–/+ 6.Nf4 0–0 7.Bc4 d5 8.Bb3 Bg4 9.f3 ef3 10.Qd3? fg2 11.Ng2 Bf3 12.Qf1 Bg2 13.Qg2 Ne4 14.Rg1 g6 15.Bb2 Qh4 16.Ke2 Qh5 17.Kd3 Qf5 18.Rf1 Nc5 19.Kd2 Qd3 20.Ke1 Qe3 21.Qe2 Qe2 22.Ke2 Nb3 23.ab3 Nc6 24.Nd2 Rae8 25.Kd1 Bb6 26.Kc2? f5 27.Nf3 Re2 28.Kd1 Rb2 29.h3 Rb3 30.Ng5 Rc3 31.Ne6 Rf6 32.Nf4 Nb4 33.Ne2 Rh3 34.Rc1 Ba5 35.Nf4 Rh4 36.Rc7 Bc7 (37.Ke2 Bf4–+) 0–1. scmorgan – gdraper (2035), net–chess.com, 2006.

4.Bd2 Bd2 5.Nd2 Nf6 6.Nh3 d5 7.Nf4 0–0 8.Be2. Janek – teryy, internet, 2016.

3.e3 d5

4.Nc3 Bb4–/+ 5.Bd2 Bc3 6.Bc3–/+ Ne7 7.Bb5 c6 8.Ba4 b5 9.Bb3 a5 10.f3?? a4–+ 11.Bd5 Nd5 12.Bd2 Qg5 13.fe4 Qg2 14.Qf3 Bh3 15.Qh3 Qh1 16.Qg2?? Qg2 17.ed5 Qg1 18.Ke2 Qa1 19.dc6 0–0 20.c7 Qh1 21.cb8Q Rfb8 22.Be1 Rb6 23.Bb4 Rc8 24.Bc5 Qh2 25.Kd3 Rg6 26.c4 f5 27.cb5 Rg1 28.Bb4 Rd1 29.Bd2 Qd2 0–1. KaiKerling – IrishBouncer, ChessWorld.net, 2005.

4.c4 dc4 5.Bc4 Be6 6.d5 Bf5 7.g4? Nd7?? 8.Na3?? Bg6 9.Bb5? a6–+ 10.Bd7 Qd7 11.Qd2 Bd6 12.Qc3 Nh6 13.Qg7–/+ Rf8 14.Qh6 Bb4 15.Bd2 Qa4?? 16.Bb4?? Qb4–/+ 17.Ke2 Qb2–+ 18.Kf1?? Qa1 19.Kg2 Qa2 20.Nh3 Qa3 21.Ng5 0–0–0 22.h4 Rd5 23.h5 Rg5! 24.Qg5 Bh5! 25.Rh5 f6 26.Qg7 b5 27.Rh7 Qc5 28.Rh8 Rh8 29.Qh8 Kb7 30.Qf6 b4 31.g5 Qc4 32.g6=+ b3 33.g7. formrtexn – kpratt, net–chess.com, 2003.

2.e3?? Bb4–/+

3.a3 Ba5 4.c4 (4.Bb2 d6–/+) 4...d6 5.g3 (5.Bb2 Nf6–/+) 5...Nf6 6.Ra2 0–0 7.Bd3 (7.Bb2 Nbd7–+) 7...e4 8.Bc2 (8.Be2 Be6–+) 8...Nc6 (8...Be6 9.Rb2–+) 9.f3 Ne5 10.fe4 Be6 11.Ne2 Nc4 (11...Bc4?! 12.Rb2 d5 13.0–0 de4 14.Nbc3 Bc3 15.dc3–+) 12.Nf4 (12.0–0 Ne3! 13.de3 Ba2 14.Qd3–+) 12...Bg4 13.h3 (13.0–0 Bd1 14.Bd1 Ne5–+) 13...Bd1 14.Kd1 g5 (14...d5!? 15.Ke2 de4 16.Kf2–+) 15.Bb3 (15.Ne2 d5 16.e5 Ne4–+) 15...gf4 16.Bc4 Ne4 17.d3 d5 18.de4 (18.Bb5 a6 19.gf4 ab5 20.Rg2 Kh8 21.de4 de4 22.Kc2 Qd3 23.Kb2 b4–+) 18...dc4 19.Nd2 fe3 (20.Re1 Qd3 21.Re3 Qe3–+) 0–1. pero – Caissa, Live Game Caissa's Web, 2004.

3.a3 Be7 4.Bb2 –/+.

3.Ba3 Qe7 4.Qc1 Nc6 5.Bb4 Nb4 6.Bd3 d5–+ 7.Nf3? e4 8.a3 Nd3 9.cd3 ef3 10.gf3 Nf6 11.Rg1 0–0 12.Nc3 d4 13.Ne4 de3 14.de3 Nd5 15.Ke2 Qe5 (16.Rg3 Re8–+; 15...Rd8 16.Qc5 Qe5 17.d4–+) 0–1. gengar – dugmak, ChessWorld.net, 2005.

4.c3 a5?? 5.cb4+/– ab4 6.Bb5?? ba3–+ 7.Bc6 dc6 8.Qe2 Nf6 9.d4 ed4 10.ed4 Be6 11.h3?? Qd4 12.Qc2 Qa1 13.Kd1 Ba2 14.Kc1 Bd5 15.Qc3 Qa2 16.Na3 Bg2 17.Rh2 Qf2 18.Nf3 Bf3 19.Rf2 Be4 20.Rd2 0–0 21.Qb4 g5 22.Kb2 h5 23.Re2?? Bf3 24.Rf2 Bd1 25.Rf6= g4?? 26.Rf1?? Ba4?? 27.Rg1 b6 28.Qc4 Rfd8 29.hg4 hg4?? 30.Rf1 Bb5 31.Qf7 Kh8 32.Rh1# 1–0. Doering,Hans Christian (1800) – Kempf,Manuel (1840), remoteschach.de, 2006.

3.c3 Bc5 4.d4 Bd6 5.de5 Be5 6.Qd5 f6 7.Bc4=+ c6?? 8.Qf7# 1–0. bouffant – dirt, net–chess.com, 2002.

4.c3 Qe7 5.cb4 Nb4 6.Qb3 c5 7.Bb5 e4 8.Qc3 a6 9.h4?? ab5–/+ 10.Qg7? Nd3–+ 11.Kf1 Ne5 12.Nc3 b4?? 13.Bb2 d5?? 14.Nd5+– Qd6 15.Be5 Qd5 16.Qh8 b6 17.Qg8 Kd7 18.Qg4 Kd8 19.Qg5 Kd7 20.Qf6 Ba6 21.Ne2 Qd3 22.Qf7 Kc6 23.Rd1 Qe2 24.Kg1 Qd1 25.Kh2 Qd2 26.Qh7 Qa2?? 27.Qg6 Kb5 28.Qe4 Bc8?? 29.Rb1 Ra4 30.Rb2 Qe6 31.h5 Qh6 32.g4 Qg5 33.Kh3?? c4?? 34.Rc2 c3?? 35.Qf4?? Qf4 36.ef4+= Kc4 37.h6 Ra1 38.h7?? Rh1–/+ 39.Kg3 Rh7 40.g5? Rh3–+ 41.Kg2 Bf5 42.Rc1 Kb3?? 43.Bc7? Kb2 44.Re1 c2 45.Be5 Ka2 46.Rc1? b3?? 47.f3 b2–+ 48.Rh1 Rh1 49.Kh1 b1Q 50.Kh2 c1Q 51.Bh8 Qg1 0–1. rcarvalho – rcris, net–chess.com, 2004.

3.Qf3 Nf6 4.c3 Ba5 5.Ba3 d6–+ 6.Bb4 Bb6 7.d4 e4 (8.Qf4 0–0–+) 0–1. dwelly – cnelsonw, internet, 2007.

3.Nf3 e4 4.Nd4 Nf6 5.a3 Bc5 6.Nf5 0–0–+ 7.Ra2 d5 8.d4 Bf5 9.dc5 Nbd7 10.Qd4 Qe7 11.Bb5 c6 12.Ba4 Nc5 13.Nc3 Rfd8 14.Bb3 Nb3 15.cb3 c5 16.Qa4 a5 17.0–0 Bd7 18.f4 Ba4 19.Na4 d4 20.f5 Nd5 21.ed4 cd4 22.Rd2 b5 23.f6 Nf6 24.Nb6 Rab8 25.Bb2 e3 26.Rd3 Qe4 27.Bd4 Rd4 28.Rd4 Qd4 29.Rf6 e2 30.Rf2 e1Q 0–1. Taulien,Christian – Taulien,Hans_Juergen, remoteschach.de, 2001.

3.g4 d6 4.Bh3 Nf6 5.Nf3? Bg4 6.Bg4 Ng4 7.Rg1 Qd7 8.Bb2 0–0 (9.a3 Ba5–+) 0–1. hollsan – nardis, internet, 2007.

3.Qg4 Bf8 4.Bc4?? d5–+ 5.Qh5 dc4 6.Qe5 Be6 7.Qb5 Nd7 8.Qb7 Bd6 9.Bb2 Ngf6 10.d4 cd3! 11.Qf3 dc2 12.Nc3 Ne5 13.Qe2 0–0 14.Qc2 Bb4 15.Nge2 Nd3 16.Kf1 Nb2 17.Qb2 Rb8 18.g3 Bc4 19.Qc1 Qd3 20.Kg2 Bc3 21.Nc3 Bd5 22.f3 Rfe8 23.e4 Be6 24.Rd1 Qc4 25.a4 a6 26.a5 Rb3 27.Ra3 Ra3 28.Qa3 Rb8 29.Kf2 g6 30.Qe7 Rb2 31.Kg1 Nd7 32.Qd7 Bd7 (33.Rf1 Bh3 34.Rf2 Rb1 35.Nb1 Qc1 36.Rf1 Qf1) 0–1. nwishn (1900) – tomy (2260), net–chess.com, 2006.

3.Qg4 Nc6 4.Qg7 Qf6 5.Qf6 Nf6 6.Ne2 d6 7.Nbc3 Bf5 8.d3 d5 9.Bd2 0–0–0 10.0–0–0 (10.f3 h5–/+) 10...d4 11.Nb1 (better is 11.ed4!? ed4 12.Nb5 Bd2 13.Rd2–/+) 11...Ng4–+ 12.Be1?! (12.Bb4 Nb4 13.Rd2 de3 14.fe3 Ne3 15.Nec3–+) 12...de3 13.f3 Nf2 14.Bf2 ef2 15.Ng3 Be6 16.c3 Bc5 17.Ne4 (17.d4 Bb6 18.Ne4 ed4–+) 17...Be3 18.Kc2 (18.Kb2 f5 19.Ned2 b6–+) 18...f5 19.Ned2 Ba2 0–1. ovid7 (1785) – marekt (2170), gameknot.com, 2014.

3.Ba3 Ba3

4.Na3 d5 5.Nb5 c6 6.Nc3 Nf6 7.Nf3 e4 8.Nd4 0–0 9.Be2 Nbd7 10.0–0–/+ Ne5 11.f4 ef3! 12.Nf3 Qe7 13.Ne5 Qe5–+ 14.Rf3 Ng4 15.Rg3–/+ Nf6 16.d4 Qe7–/+ 17.Bd3 Ne4 18.Ne4 de4 19.Bc4 b5 20.Bb3 a5 21.a3 Be6 22.d5 cd5 23.Bd5?? Rad8 24.Qf1 Rd5 25.Rb1 b4 26.ab4 ab4 27.Qe2 Rfd8 28.Rf1 Rd2 29.Qe1 Rc2 (30.Qa1 f5–+; 29...Qc7 30.Qa1 g6 31.Qb1–+) 0–1. sociale63 – sergeiv, internet, 2006.

4.Na3 Nf6 5.Nf3 d6 6.Be2 b6 7.0–0 Bb7 8.Nb5 a6 9.Nc3 Nc6 10.h3 Qd7 11.d4 e4 12.Nd2 d5 13.Bg4 Ng4–+ 14.Qg4 Qe7?? 15.Nd5+– (15...Qd6 16.Qg7+– (16.Qe4?! Ne7 17.Nf6 Qf6 18.Qb7 Qc6 19.Qc6 Nc6+/–); 15.Qg7?! Qf8 16.Qf8 Kf8 17.Nd5 Nd4 18.ed4 Bd5=) 1–0. shosan – gunar, ChessWorld.net, 2002.

3.c3 Ba5

4.Ba3 Nf6 5.Nh3 d5–+ 6.c4 Nc6 7.Ng5 Bg4 8.f3 Be6 9.Nc3 dc4 10.f4? ef4 11.Qb3?? cb3 12.Bb5 fe3 13.Rf1 Qd2 0–1. nn (2500) – whookee, net–chess.com, 2001.

4.d4 ed4 5.ed4 Ne7 6.Bd3 0–0 7.Ne2 d6 8.Bg5 Re8 9.0–0 h6 10.Be7 Re7 11.Qc2 Nc6 12.Bb5 Bd7 13.d5 Ne5–+ 14.Bd7 Qd7 15.c4? Bb6 16.Nd2 Rae8. Vauban – babo, internet, 2006.

4.g3 Nf6–+ 5.Bg2 c6 6.Nf3 d6 7.0–0 Be6 8.Bb2 Nbd7 9.d4 0–0 10.de5 de5 11.Nbd2 Qc7–/+ 12.Qc2 h6 13.c4 Bd2 14.Nd2 Rad8 15.Ne4 Ne4 16.Be4 f5 17.Bg2 Nf6 18.Qc3 e4 19.Rad1 Qf7 20.Rc1 Rd3 21.Qe5 Bc4–+ 22.Rfd1 Rfd8 23.Rd3 ed3 24.Rd1 d2 25.Bd4–/+ Ng4 26.Qc5 b6 27.Qa3?? c5 28.Bc3 Ba2 29.Rd2 Rd2 30.Bd2 Bc4 31.h3 Ne5 32.Qb2 Qe7 33.Bc3 Nd3 34.Qa1 b5 35.Bf1 b4 (36.Qa4 Ne5 37.Be5 Bf1 38.Kf1 Qe5 39.Qa7 b3–+) 0–1. makaveli1982 – Lovechild (1700), internet, 2007.

3.c3 Be7

4.Ba3 Ba3 5.Na3 e4 6.d4 Qe7 7.f4?? ef3 8.gf3? Qa3 9.Qc1 Qc1 10.Rc1 Ne7 11.Bh3 0–0 12.f4 Nd5 13.Ne2 Ne3 14.Rb1 b6 15.Rb5 Re8 16.a4 a6 17.Re5 Re5 18.fe5 Nc2 19.Kd2 Bb7 20.Rc1 Be4 21.Ng3 b5?? 22.Ne4–/+ Na3 23.ab5 ab5 24.Kd3 Nc6 25.Bd7= Ra6?? 26.h4 h6 27.Bc6 Rc6= 28.d5 Rg6 29.d6 cd6=+ 30.Nd6 Rg3 31.Kd4 Rg2 32.Kc5 Rh2 33.Rf1 f6 34.ef6 gf6 35.Rf6 Rh4= 36.Rf7 h5 37.Ra7 Nc2 38.Kb5+= Rg4 39.c4 h4= 40.c5 h3 41.Ra2?? h2–+ 42.Rc2 h1Q 43.c6 Rg7 44.c7 Qf1 45.Kb6 Qg1 46.Kb7?? Rc7 (47.Rc7 Qg2 48.Kb6 Qd5=+; better is 46...Qd1 47.Rc6 Rd7–+) 0–1. gengar – toon magpie, ChessWorld.net, 2005.

4.a4 d5 5.c4 d4 6.Qf3 Nf6 7.a5 c5 8.Bb2 Nc6 9.ed4 cd4 10.d3 (10.a6 e4 11.ab7 A) 11...ef3?? 12.ba8Q Qd7 13.Ra6+– (worse is 13.Nf3 0–0+–); B) 11...Bb7–+) 10...Bb4 11.Kd1 (11.Nd2 Ba5 12.Ne2 0–0–+) 11...0–0 (better is 11...Bg4–+) 12.g3 (12.Be2–+) 12...Bg4 0–1. Eries – delightful_porridge, ChessWorld.net, 2014.

4.Bb2 a6 5.g4 (5.d4 ed4 6.cd4 d5–/+) 5...Nc6 6.Bg2 d5 7.Nh3 h6 8.f4 Nf6 9.0–0 (better is 9.Nf2–+) 9...Bg4 10.Qc1 Bh3 11.Bh3 ef4 12.ef4 0–0 13.d4 Na5 14.Nd2 c5 15.Qe1 Re8 16.Qg3 cd4 17.cd4 Bb4 18.Kh1?? (18.Bc3 Nh5 19.Qd3 Bc3 20.Qc3–+) 18...Bd2 19.Rg1 g6 20.f5 Nh5 (20...Ne4!? 21.Qf3 Qf6 22.Raf1–+) 21.Qg4 (21.Qd3 Be3 22.fg6 f6–+ (22...Bg1?! 23.gf7 Kf7 24.Qh7 Ng7 25.Rf1 Qf6 26.Rf6 Kf6 27.Qh6 Kf7 28.Qg5=)) 21...Bg5 (21...Nf4 22.fg6 fg6 23.Raf1–+) 22.Bc1 Re4 23.Qd1 (23.Bg5 hg5 (23...Qg5?! 24.Qf3 Qf6 25.Qh5–+) 24.Qg5 Qg5 25.Rg5 Nf4–+) 23...Nf4 24.Bf4 Rf4 25.fg6 fg6 26.Rb1 Qe7 27.Qc2 Qe4 28.Qe4 de4 29.Rb4 b5 30.Rbb1 Rd8 31.Be6 Kh7 32.d5 Nc4 33.a4 Nd6 34.ab5 ab5 35.Rgc1 h5 36.Rc7 Kh6 37.Ra1 Rdf8 38.Raa7 Rf1 39.Kg2 Be3 40.h4 Ba7 0–1. Lexa,Michael – Bekemann,Uwe, DESC, 2005. (=1.e3 e5 2.b4 Bb4–/+)

4.Bb2 d5 5.h4 Nc6 6.Nh3 Bh4 7.g3 Bf6 8.Na3 Bf5 9.Bg2 Qc8 10.c4 e4 11.cd5 Bb2 12.dc6 bc6 13.Rb1 Ba3 14.Qa4 Rb8 15.Nf4 Rb1 16.Ke2 Bg4 17.f3 ef3 18.Kd3 Qd7 19.Qd4 Bf5 20.e4 Qd4 21.Kd4 Rb4 22.Kd3 fg2 23.Rg1 Re4 24.Kc2 Rf4 25.Kc3 Rf3 26.Kc4 Rg3 27.Re1 Be6 28.Kd4 Nf6 29.Rg1 c5 30.Ke5 Rg4 31.d3 Nd7# 0–1. jellybaby – Caissa, Caissa's Web Live Game, 2004.

4.Bb5 c6 5.Bc4 d5 6.Bb3 Nf6 7.Nf3 0–0 8.Ne5–/+ Nbd7 9.g4?? Ne5–+ 10.g5 Bg4 11.f3 Bf3 12.Qc2 Bh1 13.g6 fg6 14.e4 Ne4 15.c4 Bh4 16.Ke2 Bf3 17.Ke3 Bf2 0–1. mad max – Coroticus, ChessWorld.net, 2002.

4.Bc4 d5 5.Bb5 c6 6.Ba4 Nf6 7.h3 Bf5 8.Na3 Nbd7 9.g3 Nc5 10.Rb1 Nd3 11.Ke2 Nc1 12.Rc1 Ba3 13.Ra1 Bb2 14.Qb3 Ba1 15.Qb7 0–0 16.Bc6 Rb8 17.Qa6 Rb6 18.Qa7 Rc6 19.Nf3 Bb2 20.Ne5 Re6 21.Nf7 Rf7 22.Qd4 Qa5 23.g4 Qa6 24.Ke1 Re4 25.Qb4 Rb4 26.cb4 Qa2 27.gf5 Qb1 (28.Ke2 Qh1 29.e4 Qe4 30.Kf1 Qh1 31.Ke2 Re7 32.Kd3 Qe4#) 0–1. solidsteel – Caissa, Live Game Caissa's Web, 2005.

4.Nf3 e4 5.Nd4 Nc6 6.Bc4 d5 7.Bb5 Bd7 8.0–0 Nd4 9.Ba4?? Ne2 10.Qe2 Ba4 11.Qg4 Bb5 12.Re1 Bf6 13.f3 Nh6 14.Qh5 Qd7 15.g4 ef3 16.Rf1 Bf1 17.Kf1 Qb5 18.Kf2 Qe2 19.Kg3 g5 20.Qh3 Be5# 0–1. Schmidt,Eberhard – Martins,Karin, corr TKM/A002, 2000.

4.Nf3 e4–+ 5.Nd4 d5 6.g3? Nf6 7.Be2 c5 8.Nc2 0–0 9.0–0 b6 10.a4 a5 11.Nba3 Na6 12.Nb5 Bd7 13.Nca3 Qc8 14.d4 c4 15.f4 Nc7 16.Nc7 Qc7 17.Nc2 Be6 18.Ne1 Qd7 19.Ng2 Rab8 20.Bd2 b5 21.ab5 Rb5 22.Nh4 Ng4 23.f5+= Bh4? 24.fe6 Qe6+= 25.Bg4 Qg6?? 26.Be2?? Bg3= 27.hg3?? Qg3–+ 28.Kh1 Rb6 29.Rf4?? Rh6 30.Bh5 Qh3 31.Kg1 Rh5 32.Qh5 Qh5 33.Raf1 f5 34.Kf2 g5 35.Rg1 Kh8 36.Kg3 gf4 37.Kf4 Rg8 38.Ra1 Re8 39.Rg1 Qh4 40.Kf5 Rg8 41.Ra1 Rf8 42.Ke5 Qg5 43.Kd6 Rd8 44.Kc5 Rc8 45.Kb5 Ra8 46.Bc1 Qd8 47.Ba3 Qd7 48.Kc5 Rb8 49.Bc1 Rb5 0–1. bluecube – Romatchec, internet, 2007.

4.Qg4 Nf6 5.Qg7 Rg8 6.Qh6 –/+.

4.Qg4 g6 5.c4 (5.Qa4 Nc6–/+) 5...Nf6 6.Qh4 (6.Qd1 Nc6–/+) 6...Nc6 7.Qh6? (Better is 7.Ba3 d6 8.Qg3–+) 7...Ng4 8.Qg7 Bf6 9.Qh8 Bh8 10.Be2 e4 11.Bg4 Ba1 12.Nh3 Ne5 13.Be2 d5 14.cd5 Bh3 15.gh3 Qd5 16.Na3 Nd3 17.Kd1 Nf2 18.Ke1 Nh1 19.Bc4 Qd6 20.d3 ed3 21.Nb5 Qb4 22.Bd2 Qb1 23.Bc1 Qc1# 0–1. lem – Caissa, Live Game Caissa's Web, 2004.

3.Bc4 Nf6

4.a3–/+ Ba5 5.Nf3 e4 6.Nd4 d5 7.Bb3 c6 8.0–0 0–0 9.d3 c5–+ 10.Ne2 ed3 11.Qd3? c4–+ 12.Bc4 dc4 (13.Qc4 b6–+) 0–1. mrj – katrica (1645), internet, 2007.

4.c3 Ba5 5.Ba3 d5 6.Bb3 b6 7.Ba4 Bd7 8.Bb3 (8...c5 9.Ne2–+; 8.Nf3 Ba4 9.Qa4 Qd7–/+). mferzman – topalov2700 Kid, ChessWorld.net, 2007.

2.e4?? a6

3.Bb2 Nc6 4.Nf3 d6 (--> 1.b4 e5 2.Bb2 d6 3.e4 a6 4.Nf3 Nc6).

3.d4 ed4 4.Qd4 Nc6 5.Qd1 Bb4 6.c3 Ba5 7.Bc4 Nf6 8.Ne2 h6 9.0–0 Ne4 0–1. scmorgan – valerypavlovich (2120), net–chess.com, 2006.

3.f3 Nf6 4.Na3 Nc6 5.c3 d6 6.h4 Bd7 7.g4 Qe7 8.g5 Nh5 9.f4? (better is 9.Bh3!?+=) 9...Nf4 10.d3 0–0–0 11.Rh2 h5 12.d4 (12.b5 Nb8–/+) 12...Kb8 13.d5 Na7 14.Nh3 Bg4 15.Be2?? (15.Qc2 Re8–/+) 15...Bh3 (better is 15...Ne2 16.Re2 Bh3–+) 16.Bf4–/+ Bd7 (better is 16...ef4 17.Rh3 Qe4–/+) 17.Be3= Re8 18.Bf3 Nb5 19.Qc1 (19.Nb5!? ab5 20.Bh5+=) 19...f6 20.c4 Nd4 21.Rh3?? (better is 21.Bg2–/+) 21...Bh3–+ 22.Bd1 Ne6! 23.de6 Qe6 24.c5 d5 25.ed5 Qd5 26.gf6 Qh1 27.Kd2 Rd8 28.Kc3 Qe1 29.Kb3 Rd3 30.Ka4 Qe3 31.Qe3 Re3 32.Nc4 Bd7 33.c6 Bc6 34.Ka5 Rd3 35.Bc2 Rd5 36.b5 Rb5 37.Ka4 Rb4 38.Ka3 Rb1 39.Nd6 Bd6 0–1. Beck,Daniel – Jokmin,Guido, OP–2010–0–01132, 2010. (=1.e4 e5 2.b4 a6)

3.f4? d6 (3...ef4 4.Qf3–/+) 4.Nf3 ef4 5.d4 Nf6 6.Bd3 g5 7.Ng5 Ne4?? (better is 7...Rg8 8.Bf4 h6=) 8.Ne4+– (8.Be4?! Qg5 9.0–0 Nc6+/–) 8...Qh4 9.Kf1 Bf5 10.Qe1 Be7 11.Qh4 Bh4 12.Nd6! cd6 13.Bf5 Nc6 14.c3 Ne7 15.Be4 d5 16.Bf3 Nf5 17.Bd5 Ne3 18.Be3 fe3 19.Bb7 Ra7 20.Be4 Re7 21.Bf3 0–0 22.g3 Bg5 23.h4 Bf6 24.Ke2 Rfe8 25.Na3 Re6 26.Nc4 Be7 27.Bd5 Rg6 28.Raf1 Rf8 29.Rf7! Rf7 30.Rf1 Rgf6 31.Rf6 Bf6 32.Nd6 Be7 33.Nf7 Kg7 34.Ke3 Kf6 35.Bc4 h6 36.Nh6 (36.Nh6 Kg6 37.Nf7+–) 1–0. Fournier,Frederic (1990) – Denongka, Active (8/0), 2007.

3.h3 Bb4 4.Nf3 Nc6 5.c3 Bc5 6.Qb3 Nf6–+ 0–1. gurvinder372 – CODD, internet, 2007.

2.e4?? Bb4–/+

3.Ba3 Nc6 4.Bb4 Nb4 5.Bc4 Qg5 6.g3 Nf6 7.Na3 a6 8.Nf3–/+ Qh5 9.Be2 Ne4 10.d3? Nc3–+ 11.Qd2 Ne2 12.Qe2 d6 13.c3 Bg4 14.cb4 Bf3 15.Qe3 Bh1 16.f3 Qf3 17.Qf3 Bf3 18.Nc4 0–0 19.Nb6 cb6 20.Kf2 e4 21.de4 Be4 22.h4 Rac8 23.g4 Rc3 24.Re1 d5 25.h5 Re8 26.g5 Rf3 27.Kg1 Rg3 28.Kh2 Rg5 29.Kh3 Rh5 30.Kg3 Rf5 31.Kg4 Ree5 32.Rh1 Bh1 (33.Kg3 Rf3 34.Kh2 Re2 35.Kg1 Rc3–+) 0–1. IrishBouncer – zggenev, ChessWorld.net, 2005.

3.Ba3 Be7 4.Be7 Qe7 5.Nf3 b6 6.Bc4 h6 7.0–0 Bb7 8.d3 a5 9.Nc3=+ c6 10.Ne2? b5–+ 11.Bf7 Qf7 12.Ne5 Qe6 13.f4 Nf6 14.Nd4=+ Qd6 15.Nf5 Qb4 16.Ng7 Kf8 17.Nf5 Bc8? 18.Ng6+– Kg8 19.Nh8 Kh8+/– 20.Nh6 d5 21.e5 Nh7? 22.Nf7 Kg7 23.Nd6 Be6 24.d4 c5 25.f5 Qd4 26.Qd4 cd4 27.fe6 Nc6 28.e7 Ne7 29.Rf7 Kh6 30.Re7 Rc8 31.Nc8 1–0. tomy (2260) – rodnel, net–chess.com, 2006.

3.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.e4??).

3.Bb5 c6 4.Ba4 b5 5.c3 Bc5 6.Qg4? (better is 6.Bb3 Qh4 7.Qe2–/+) 6...Nf6 7.Qf5 (7.Qg3 ba4 8.Qe5 Be7 9.d3–+) 7...d6 (worse is 7...ba4 8.Qe5 Be7 9.d3–+) 8.Qf3 ba4 9.h4 (9.d3 0–0–+) 9...Ng4 10.d3 (10.Nh3 Qh4 11.g3 Qf6–+) 10...Nf2 11.Rh2 Ba6 12.Rh3 (12.d4 Nd3 13.Kd1 ed4 14.Ne2–+) 12...Nd3 13.Kd2 Bg1 14.Qf1 Nc1 15.Kc1 (15.Qg1 Ne2 16.Qe3–+) 15...Bf1 16.Nd2 Bg2 (16...Bg2 17.Kc2 Bh3 18.Rg1 Rg8–+). Weber,Kurt – Lokhnin,Alexey, IECG, 2004. (=1.e4 e5 2.b4 Bb4)

3.Bb5 Qf6 4.Nh3 Bc5 5.0–0 c6 6.Bc4 Qg6 7.Qf3–/+ d6 8.Nc3 Nf6–+ 9.Na4? Bg4 10.Qd3 Ne4 11.Re1 f5 12.Nc5 dc5 13.Qb3 b5 14.Nf4? ef4 15.Qd3 bc4 16.Qc4 Nd7 17.Qc5 Ndc5 18.Ba3 Qd6 19.d4 0–0 20.Bc5 Nc5 21.dc5 Qc5 22.Rac1 Rfd8 23.Rb1 Qc2 24.Rbc1 Qa2 25.Rc6 Rd2 26.Rc4 Rf2 27.Rf1 Rg2 28.Kh1 Rh2 29.Kg1 Qg2 0–1. eeforry – aforry, net–chess.com, 2001.

3.c3 Bf8 4.d4 d6 5.de5 de5 6.Qd8 Kd8 7.Nf3 Bd6 8.Nbd2 Be6 9.Ng5 Ke7 10.Ne6 Ke6 11.Rb1 b6 12.Bc4 Ke7 13.Nf1 f6 14.Ng3 g6 15.0–0 Nd7 16.Rd1 Re8 17.Bb5 Kd8 18.a4 Ne7 19.Bh6= f5 20.ef5+= Nf5 21.Bg5 Kc8 22.Ne4 h6 23.Nf6 Nf6 24.Bf6 Ref8 25.Bh8+/– Rh8 26.a5 Kb7 27.ab6 ab6 28.Ra1 (28...Rd8 29.Ra4+/–; 28.Bd3 Rd8+/–) 1–0. teoretic (2015) – ashoka_theking (1675), internet, 2007.

3.Bc4 Nc6 4.Nc3 Nf6 5.Nge2 0–0 6.0–0 Ne4! 7.Ne4 d5 8.Bb3 (8.c3!? Be7 9.Bd3 de4 10.Be4–/+) 8...de4–+ 9.Ng3 Nd4 ˝–˝. Kleinke,Uwe (1825) – Kirstein,Hans Ernst (1765), Mecklenburg VP LL2, 2006.

3.Bc4 Qf6 4.Qf3 Nc6 5.c3 Bc5 6.d3 h6 7.Be3 Be3 8.fe3 Na5 9.Nd2 Nc4 10.Nc4 d6 11.Qg3 Ne7 12.Nf3 Be6 13.Ncd2 g5 14.0–0=+ Qg6 15.d4 ed4 16.ed4 f6 17.d5+= Bd7 18.Rab1 h5? 19.Rb7+– h4 20.Qf2 h3 21.g3 f5 22.Rc7 f4 23.Rb1 fg3 24.Qg3 g4 25.Rbb7 Rd8 26.Nd4 Qg5 27.N2b3 a5?? 28.Ne6 Qg6 29.Nd2 Qh6 30.Nf1 Be6 31.Re7 Kf8 32.de6 Rh7 33.Rh7 Qf6 34.Qf4! Qf4 35.Rh8# 1–0. Chelly – rikilatic, myChess.de, 2005.

3.Bc4 Qg5 4.Qf3 Nf6 5.c3 Ba5 6.d4?? (better is 6.Nh3 Qg6 7.d3–/+) 6...Qc1–+ 7.Qd1 Bc3 8.Nc3 Qc3 9.Kf1 Qc4 10.Ne2 Nc6 11.Rc1 (11.d5 Nb4 12.f3 d6–+) 11...Qa2 12.g3 (12.d5 Na5 13.Ke1 Nb3–+) 12...d5 13.de5 (13.h3 Qa3 14.ed5 Qf3–+) 13...Bh3 14.Ke1 Ne4 15.Ra1 Qc4 (better is 15...Ne5 16.Qa4 (16.Ra2?? Nf3) 16...Qa4 17.Ra4 Nf3 18.Kd1 Nf2 19.Kc1 Nh1 20.Ra2–+) 16.Rc1 Ne5 17.Rc4 Nf3 0–1. vaingrecsky (2270) – pierred (2800), net–chess.com, 2016.

3.Bc4 Qh4 4.Qf3 Nf6 5.Ne2 Qe4–+ 6.Qb3 d5 7.Bd3=+ Qg2 8.Rg1 Qh2 9.Qb4 e4?? 10.Bb5 c6–/+ 11.Ba4 Na6 12.Qa3? b5 13.Bb3 Ng4 14.Rf1 h5 15.Nbc3 Rh6 16.Bb2? Rf6?? 17.Ne4 de4 18.Bf6 Nf6 19.0–0–0 Qe5–+ 20.c3 Nc5 21.Bc2 Bg4 22.Rde1 a5 23.f4 ef3?? 24.Ng3+– Nfe4 25.Ne4 (25…Nd3 26.Bd3+–; 25.Be4?! Kd8 26.Kc2 Qd6+–) 1–0. Mlynek – NN, ZDK–Sarzyna Poland, 1984.

3.Bc4 Nh6 4.c3= Bc5 5.Qf3 Qh4 6.g3 Qe7 7.d3 d6 8.Bg5?? Qg5–+ 9.h4 Qc1 10.Qd1 Qb2 11.Nd2 Qc3 12.Ne2 Qb2 13.0–0 Ng4 14.Qb3 Qd2 15.Bf7 Kf8 16.Bh5 g6 17.Bg4 Bg4 18.d4 ed4 19.Nf4 g5 20.hg5 Nc6 21.Ne6 Be6 22.Qe6 Qg5 23.Qd7 Ne7 24.Qc7 Rc8 25.Qb7 h5 26.Kg2 h4 27.Rh1 Re8 28.Rh3 Ng6 29.Qd5 Nf4 30.Kf3 Nd5 31.ed5 d3 32.Rd1 Qh5 33.g4 Qd5 34.Kf4 Qe4 35.Kg5 Kg7 36.f4 Qg6 0–1. monas – Tricky.1, ChessWorld.net, 2005.

3.Qe2 c6 4.Qg4 g6 5.Qf3 d5 6.a3 de4 7.Qe4 Qd4?? 8.Bd3?? Qa1–+ 9.Qb4 Nf6 10.c3 Nd5 11.Qb3 Nf4 12.Bc2 Be6?? 13.Qb7–/+ Qa2 14.Qb2?? Qb2 15.Bb2 Ng2 16.Kf1 Bc4 17.Kg2= Bd5 18.f3 Nd7= 19.Ba4?? Rb8–+ 20.d4 Rb2 21.Ne2 Re2 22.Kg3 e4 23.Bd1 Re3 24.Rf1 ef3 25.Rf3 Bf3 26.Bf3 g5 27.Kf2 Re6 28.d5 Rf6 –+. mprior – bgray, net–chess.com, 2002.

3.Ne2 d5 4.ed5 Qd5 5.c3 Bd6 6.d4 Nc6 7.h4 Nge7 8.Rh3?? (Better is 8.h5–+) 8...Bh3 9.gh3 Nf5 10.f4 (10.de5 Qe5 11.Nd2–+) 10...Be7 11.fe5 Bh4 12.Kd2 Qe4 13.Qc2 Qe3 14.Kd1 Qf2 15.Bd2 (15.Ng3 Qf3 16.Be2 Qg3 17.Qf5 Qe1 18.Kc2 Qe2 19.Nd2–+) 15...Qf1 16.Be1 Qe1 0–1. ANFIELD – Caissa, Live Game Caissa's Web, 2004.

3.f3 Bc5 4.h4 Nc6 5.Rh3?? (better is 5.h5–+) 5...Bg1 6.Nc3 Qe7 (better is 6...Bd4–+) 7.Rg3 (7.Nd5 Qc5 8.Qe2–+) 7...Qc5 (better is 7...Qh4 8.Ne2 Nd4 9.Bb2 Ne2 10.Ke2 Qg3 11.Qe1–+) 8.Rg7 (8.Qe2 Nd4 9.Qc4 Nc2 10.Kd1 Na1 11.Bb2–+) 8…Qf2# 0–1. Jaimes Buitrago,OA – Leguizamo Cantor,SA, Bogota COL, UDI Ch U27, 2012. (=1.e4 e5 2.b4 Bb4)

3.Qf3 Nc6 4.g4 Nf6 5.g5 Nd4 6.Qd3 Ng4 7.c3 0–0 8.cb4 Qg5 9.Bh3 Nh2 10.Nc3 Ng4 11.Bg4 Qg4 12.Nd5 Qg2 13.Rh4 Qg1 14.Qf1 Nf3 15.Ke2 Nd4 16.Ke1 Nc2 17.Ke2 Qg5 18.Qh1 Na1?? 19.Rh7? Qd8?? 20.Bb2 c6 21.Rh8# 1–0. juro – babylyub, ICS rated blitz match, 1998.

3.f4 a6 4.c3 Qh4?? (better is 4...Bd6–/+) 5.g3+/– Qh6 (5...Qe7!? 6.cb4 ef4+/–) 6.cb4+– d6 (6...ef4 7.d4 Qb6 8.Bf4 Qb4 9.Nd2 Nf6+–) 7.Nc3 Qe6?? 8.Bh3 Qc4 9.Bc8 Nc6 10.Bb7 Nd4 11.Ba8 ef4 12.Bd5 Qd3 13.Qg4 Nc2 14.Kf2 Qd4 15.Kg2 Ne1 16.Kf1 Nc2 17.Qc8 Ke7 18.Qc7 Kf6 19.Qd6 Kg5 20.Qf4 Kg6 21.Bf7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

3.f4 Qh4 4.g3–/+ Qf6 5.Bb2 Bc5 (better is 5...d6!?–/+) 6.Be5+= Qb6 (better is 6...Qh6!?+=) 7.Bg7+/– Bf2 8.Ke2 Bd4 9.Bh8 Bh8 10.Nc3 Bc3 11.dc3 Qb5 12.Kf3 d5?? (12...Qc6+–) 13.Bb5 c6 14.Bd3 de4 15.Be4 Nd7 16.Qd7! Bd7 (16...Bd7 17.Bh7 Combination; 16...Kd7 17.Rd1 Double attack) 17.Bh7 0–0–0 18.Bg8 Rg8 19.Kf2 Re8 20.Nf3 c5 21.Rhe1 Re1 22.Re1 Kc7 (22...Be6 23.Ng5 Ba2 24.Re7+–) 23.Re7 Kd8 24.Rf7 Be6 25.Rb7 Ba2 26.Ra7 Bd5 27.f5 Kc8 28.f6 Kb8 29.f7 Ka7 30.f8Q Bf3 31.Kf3 Ka6 32.Qb8 Ka5 33.h4 Ka4 34.Qb6 Ka3 35.Qb3 1–0. Fournier,Frederic (2000) – Re_vuole_regina, Active (5/0), 2007.

3.g4 Nf6 4.c3 Bf8 5.Nf3 –+.

3.g4 Qg5 4.Bh3 b5 5.Nf3 Qg6 6.Ne5?? Qe4–+ 7.Kf1 Qh1 8.Ke2 Qe4 9.Kf1 Qe5 10.d3 Qh2 11.Qe2 Ne7 12.Qe3 a6 13.g5 c5 14.a3 Ba5 15.Ra2 b4 16.Rb2 Nbc6 17.Rb3 g6 18.Rc3 bc3 19.Qf3 h5 20.Qf7 Kf7 21.f3 Qh3 22.Ke2 Nd4 23.Ke3 Qf3 0–1. Bia,Bianca – Franziska,Franzi, remoteschach.de, 2002.

3.Qg4 Nf6 4.Qg3 Nc6 5.Bb5 –/+.

3.Qg4 g6 4.Nf3 d6 5.Qg3 Nf6 6.Ne5? de5–+ 7.Qe5 Qe7 8.Qb5 c6 9.Qa4 Qe4 10.Kd1 Ng4 11.Bb2 Nf2 12.Kc1 Qe1# 0–1. MissMustach – Caissa, Caissa's Web Live Game, 2004.

3.h4 Nf6–+ 4.Nc3 d6 5.Qf3 c6 6.Bc4 0–0 7.Nge2 b5 8.Bb3 Bg4 9.Qd3 Bc5 10.f3 Bc8 11.Nd1 a5 12.a4 b4 13.Bb2 d5 (13...Re8 14.c3–+) 14.ed5 cd5 15.Be5 Ba6 16.Qf5 Nbd7 17.d4 Re8 18.Kd2 Ne5 19.de5 Be2 20.ef6 g6 (20...g6 21.Qg5 h6–+) 0–1. Fournier,Frederic (2215) – Conde,Jose Antonio, TSC TT–06 corr, 2003.

3.a3 Ba5

4.Bb2 d6 5.c3 Nf6–+ 6.Qe2 (6.Nf3 0–0–+) 6...Na6 (6...Nc6 7.Nf3–+) 7.c4?! (7.Nf3–+) 7...Nc5 8.Nc3 Bc3 9.Bc3 Nfe4 10.Bb4 0–0 11.Nf3 a5 12.Bc5 Nc5 13.d4 (13.Qe3 f5 14.Qc3–+) 13...ed4 14.Nd4 (14.0–0–0 Bg4 15.h3–+) 14...Re8 15.Ra2 (15.Rd1 Bd7 16.Nb5 Qf6–+) 15...Nd3 16.Kd1 Nf4 (better is 16...Re2 17.Re2 Bg4–+) 17.Qg4 (17.Qd2 Qf6 18.Nb5–+) 17...Bg4 18.Kc1 Qg5 (better is 18...Re1 19.Kc2 Qf6–+) 19.Nb5 Ne2 20.Kb2 (20.Kc2 Qc1 21.Kb3 a4 22.Kb4 c5) 20...Qc1 (20...Qd2 21.Ka1 Qc1) 21.Kb3 a4 22.Kb4 Qb1 (22...c5) 23.Rb2 Qb2# 0–1. Sabottka,Gregor (1790) – Rasch,Harald (2095), remoteschach.de, 2004. (=1.e4 e5 2.b4 Bb4)

4.Bb2 d6 5.Qf3 Nf6 6.Nc3 Bg4 7.Qg3 c6 (7...0–0 8.Nf3–/+) 8.h3? (8.f3 Be6 9.Qg7 Rg8+=) 8...Be6 (better is 8...Qb6 9.hg4 Qb2–+) 9.Nce2?? (better is 9.Qg7 Rg8 10.Qh6+=) 9...Qd7?? (better is 9...Bd2 10.Kd1 Ne4 11.Qg7 Rf8–+) 10.Qg7+– Bd2 11.Kd1 Rg8 12.Nf3?? (better is 12.Qf6 Bg5 13.Qf3+/–) 12...Rg7–+ 13.Nd2 Na6 14.f3 c5 (14...Nc5 15.Rb1–+) 15.c4 Qa4 16.Ke1 Nh5 17.g4 Nf4 (17...Qc2 18.Rb1 Nf6 19.Nf4–+) 18.Nc3 (18.Nf4 Rg8 19.Nh5–+) 18...Qc2 19.Nb3 (19.Rb1–+) 19...Qb2 20.Nb5 Qb3 21.Nd6 Kf8 22.Kf2 Qb2 23.Be2 Qe2 24.Kg3 Rg6 25.Rh2 Qe3 26.Raa2 Rh6 27.Rae2 Qg1 28.Rhg2 Ne2# 0–1. jmcauley (1800) – pks (2095), net–chess.com, 2013.

4.Bb2 d6 5.Nf3!? –/+.

4.Nf3 Nc6 5.Bb5 d6 6.Nc3 Bc3 7.dc3 Bd7 8.Bc6 Bc6–+ 9.Qd3 Nf6 10.Bg5 Be4?? 11.Qd2?? Bf3 12.gf3 h6 13.Bf6 Qf6 14.Qd5 c6 15.Qe4 d5 16.Qa4 Qf3 17.Rg1 Qc3 18.Ke2 0–0 19.Qg4 Qc2 20.Kf3 Qg6 21.Rab1 b6 22.Qa4 Qf6 23.Ke2 c5 24.Rbd1 d4 25.Rg4 Qf5 26.Rdg1 g6 27.Qc6 Kh7 28.h4 Rfc8 29.Qd6 c4 30.f4 d3 31.Kd1 e4 32.Qe7 Re8 33.Qd6 Rad8 34.Qc7 e3 35.Rg6 Qg6 36.Rg6 Kg6 37.Qa7 e2 38.Ke1 d2 39.Kf2 e1Q 40.Kf3 d1Q 41.Kg2 Rd2 42.Kh3 Re3 (42...Qf3) 0–1. crystal palace – IsickboyI, ChessWorld.net, 2005.

3.a3 Bc5

4.a4 d5 5.d3 de4 6.Ra3 Ba3 7.Na3 ed3 8.cd3 Nf6 9.h4 Bg4 10.Qe2 Be2 11.Be2 Qd7 12.Bb2 Qa4 13.Rh3 Qb4 14.Kf1 Qb2 15.Nc4 Qc1 16.Bd1 Qd1# 0–1. seeker – Caissa, Live Game Caissa's Web, 2004.

4.Bb2 d6 5.d4 ed4 6.Bd4 Bd4 7.Qd4 Qf6N 8.Qf6 Nf6 9.Nc3 Nc6 10.Bc4 Nd4 11.0–0–0 c5 12.Nf3 Nf3 13.gf3 0–0 14.Rd6 Ne8 15.Rd8 Nc7= 16.Rf8 Kf8 17.Rd1 Bh3 18.Nd5 Ne6 19.a4 b6 20.c3 Rc8 21.Kb2 g6 22.f4 Kg7 23.f3 Bg2 24.Be2 Bh3 25.Bf1 Bf1 26.Rf1 Kh6 27.Ne7 Rc7 28.Nd5 Rb7 29.f5 Ng5 30.h4 Nh3= 31.f6 Kh5–/+ 32.Rh1 Kh4 33.f4 Kg3–+ 34.f5 gf5 35.ef5 Rd7 36.Ne3 Rd3 37.Nc2 Rf3 38.Rd1 Rf5 39.Rd7 Rf6 40.Ra7 h5 41.Kb3 Ng5 42.Rb7 h4 43.Ne1 h3 44.Rd7 h2 45.Rd1 h1Q 46.Kc2 Qe4 47.Nd3 Rf2 (48.Kb3 c4 49.Ka3 cd3 50.Rc1 Qc4 51.Rg1 Kf4 52.Rg4 Kg4 53.a5 Ra2#) 0–1. vadimus – hinum, Live Game Caissa's Web, 2004.

4.Bb2 d6 5.d4 ed4 6.Bd4 Bd4 7.Qd4 Nf6 8.e5 Nc6 9.Bb5–/+ 0–0 10.Qd2?? de5 11.Nc3 Nd4 12.Rd1 a6 13.Bc4 h6 14.Nge2 Re8 15.0–0 b5 16.Ba2 Bf5 17.f4 Nc2 18.Qc1? Nd4 19.fe5 Ng4?? 20.Nd4 c5 21.Nf5 Qb6 22.Nd5 Qb7 23.Qc5 Rac8 24.Nde7 Kh7 25.Qb4 Ne3 26.Nd6?? Qg2# 0–1. Kaizer – monalisa, Live Game Caissa's Web, 2004.

4.Bb2 Qh4 5.Qe2 Nc6 6.Nf3 Qd8 7.Ne5= Ne5 8.Be5+= d6?? 9.Bg7+– Bd4 10.Bd4 f6 11.Nc3 Nh6 12.Qf3 Rf8 13.Be3 Nf7 14.Bd3 Ne5 15.Qh5 Rf7 16.Bf4 Ng6 17.e5 Nf4= 18.Qf3 fe5 19.Rd1 Ng6 20.0–0?? Rf3–+ 21.gf3 Qg5 22.Kh1 Nf4 23.Rg1 Qh4 24.Rdf1 Be6 25.Bc4 Bc4 26.Rg4 Qh3 27.Rfg1 Qf3 28.R4g2 Ng2 29.Rg2 Bf1 (30.Kg1 Qg2) 0–1. smurrell (1650) – scottdow, net–chess.com, 2002.

4.c3 Nf6 5.d4 Bd6 6.f4 Ne4=+ 7.de5 Bc5–/+ 8.Ra2 Nc6 9.h4? Ng3–+ 10.Rh3 f5?? 11.Rg3+= g6? 12.Rd2?? Qh4 13.Ne2= g5 14.e6?? de6 15.fg5? h6?? 16.a4 hg5 17.Ba3?? f4?? 18.Bc5=+ fg3 19.Rd8 (19...Nd8 20.Bd4–+). jont – dschultz, net–chess.com, 2002.

4.Nc3 Nc6 5.Nb5 a6 6.Nc7? Qc7 7.Qh5 Nf6 8.Qe5 Qe5 9.d4 Qd4 10.Be3 Qa1 11.Kd2 Qf1 12.Nh3 Ne4 0–1. cube – Caissa, Live Game Caissa's Web, 2004.

4.Nc3 Nc6 5.d4 Bd4 6.Nf3?? (Better is 6.Nge2–+) 6...Bc3 7.Bd2 Ba1 8.Qa1 d6 9.Bg5 Nge7 10.a4 h6 11.a5 hg5 12.Ng5 Ng6 13.Bc4 Qg5 0–1. frankpan – Caissa, Live Game Caissa's Web, 2004.

4.Nc3 Nc6 5.Nf3!? –/+.

4.Bc4 d5! 5.ed5 Bf2 6.Kf2 Qh4–/+ 7.g3 Qd4 8.Kg2=+ Qa1 9.Nc3 Nf6 10.Nge2 0–0 11.Qf1 Nbd7–+ 12.Qf2 Nb6 13.Bd3? Nfd5 14.Rf1 Be6 15.Be4 f5 16.Bd5 Nd5 17.d3 Nc3 18.Bd2 Nd1 19.Bc3 Bd5 20.Kh3 Nf2 21.Rf2 Rf6 22.g4 Rh6 23.Kg3 f4 24.Nf4 (24.Rf4 Qh1 25.Rf2 Rf8 26.Rf8 Kf8 27.Bb4 Kf7 28.Kf2 Rh2 29.Ke3 Qf1 Qg1 25.Rg2 Qe3# 0–1. alexandre7 – kazimierski, playchess.de, 2001.

4.Bc4 Nh6 5.Nf3 Ng4 6.d4 ed4 7.Nh4?? Qh4–+ 8.g3 Qf6 9.Qg4 0–0 10.Qf4 Qf4 11.Bf4 d6 12.Nd2 Re8 13.Rb1 b6 14.Nb3 Re4 15.Kf1 Bh3 16.Kg1 Nd7 17.Nd2? Re7 18.Bg5 Re5 19.Bf4 Re7 20.Bd5?? Rae8–+ 21.f3 d3 (22.Be3 Be3) 0–1. Doobi – Barry49434, ChessWorld.net, 2005.

4.Nf3 d6 5.Be2 f5 6.d3 Nf6 7.Nbd2? 0–0?? 8.0–0 f4 9.Nb3 Bb6–/+ 10.c3 Nc6 11.d4 Bg4 12.h3 Bh5 13.d5 Ne7 14.Ng5 Be2 15.Qe2=+ Rf7 16.Nf7+/– Kf7 17.g3 fg3=+ 18.Kg2 Bf2–/+ 19.Qf3 Kg8 20.Be3 Be3 21.Qe3–/+ Nh5 22.Qg5 g6 23.Rf3 Qd7–/+ 24.Raf1 Nf4 25.Kg3?? Qh3 26.Kf2 Qh2 (27.Qg2 Qg2 28.Ke1 Qe2#) 0–1. FelixFri – blackcrowman, ChessWorld.net, 2008.

4.Nf3 Nf6 5.Ne5 Bd4 6.Nc3 Be5 7.d4=+ Bd4 8.Qd4 Nc6 9.Qe3 0–0 10.h4 d5–+ 11.ed5 Re8 12.Ne4 Re4 13.Qe2 Nd4 14.Qe4 Ne4 15.c3 Nc2 16.Kd1 Qd5 17.Kc2 Nc5 18.Rb1 Bf5 19.Kb2 Qb3 20.Ka1 Qb1 0–1. lucky bucky – marekt, ChessWorld.net, 2004.

4.h3 d5 5.ed5–+ Qd5 6.Bb2 Nf6 7.d3 e4 8.Nc3 Qd6 9.de4? Qd1?? 10.Rd1+= Nc6 11.Be2 Bd7 12.Nf3+= 0–0–0 13.0–0 h5 14.Ng5 Rhf8? 15.Na4 Bd6 16.Bf6 gf6= (17.Nh7 Rh8 18.Nf6 Be6=). hpillsbury – ajeffries (1755), net–chess.com, 2007.

3.a3 Be7

4.Bb2 d6 5.Nf3 Nf6 6.Bc4 0–0 7.Nc3–/+ Bg4 8.h3 Bf3 9.Qf3=+ Nc6 10.0–0 h6 11.Rfe1 Nd4 12.Qd3 c5 13.Rab1 b6 14.Ne2 Qc7 15.Bd4 cd4–/+ 16.Ng3 Qd7 17.Nf5= Bd8? 18.Qg3+– Bc7?? 19.Nh6 Kh8+/– 20.Nf5 Rg8 21.Bd5 Rad8 22.Rb3 Nh7 23.Rf3 Rde8? (24.Bf7!! Qf7+–; better is 23...Rdf8+–). oasis – C_Artist_Think, chessHere.com, 2006.

4.Nf3 Nc6 5.Nc3 Nf6 6.Bb5 d6 7.a4 0–0 8.Ng5 h6 9.Nf3 Nd4 10.0–0 Bg4 11.Ba3 Nf3 12.gf3 Bh3 13.Re1 Nh5 14.Ne2 Bg5 15.d3 Bf4 16.Nf4?? Qg5 17.Ng2 Qg2 0–1. lucky bucky – Bury born and bred, ChessWorld.net, 2004.

3.Ba3 Ba3

4.Na3 d5 5.Bb5 c6–+ 6.Bd3 Nf6 7.Nf3?? de4 8.Bc4 ef3 9.Qf3 Qd4 10.c3 Qc5 11.Qe3 Qa3 12.Qe5 Qe7 13.Qe7 Ke7 14.0–0 Re8 15.d4 Bf5 16.Rfe1 Kf8 17.d5 Re4 18.Bd3 Re1 19.Re1 Bd3 20.d6 Nbd7 21.g4 Ng4 22.f4 Ndf6 23.Rd1 Be4 24.d7 Bd5 25.c4 Rd8 26.cd5 Rd7 27.Kf1 Ne3 28.Ke1 Nd1 29.Kd1 Nd5 30.Kd2 Nf4 31.Kc3 f5 0–1. okydoky – pblanctranchant (2125), net–chess.com, 2003.

4.Na3 d5 5.Nf3? Bg4?? 6.Qb1=+ b6 7.Ne5+= Be6 8.Qb5 Nd7 9.f4?? de4 10.Qb4 Ne5 11.fe5 Qd5 12.d3? ed3 13.cd3?? Qe5 14.Be2 Qa1 15.Bd1 Qe5 16.Be2 c5 17.Qb5 Bd7 18.Nc4 Qe2! 19.Ke2 Bb5 20.Nd6 Kd7 21.Nf7 Nf6 22.Rd1 Rhe8 23.Kf2 Nd5 24.d4 Rf8 25.dc5 Rf7 26.Kg1 Raf8 27.Rd5 Kc6 28.Rd6 Kc5 29.Rd1 Rf1 30.Rf1 Rf1 0–1. okydoky – pblanctranchant (2080), net–chess.com, 2003.

4.Na3 Nf6 5.Bc4 0–0 6.d3 c6 7.Qd2 d5 8.ed5 Qd6 9.Nf3? (9.Nb1 cd5 10.Bb3–+) 9...Qa3 10.Qd1 (10.dc6 Nc6 11.0–0–+) 10...Qc3 11.Qd2 (11.Kf1 cd5 12.Bb3–+) 11...Qa1 (12.Qd1 Qd1 13.Kd1 cd5–+) 0–1. Crossman,Chris – Johansson,Mats, IECG, 2003.

4.Na3 Nf6 5.d3 d5 6.ed5 Nd5 7.Nf3 0–0 8.Be2 Nc6 (9.0–0 Qf6–+) 0–1. gash – Schlapp12, ChessWorld.net, 2005.

4.Na3 Nf6 5.f3 c6 6.c4 Qa5 7.Qb3 Na6 8.Rb1 d6 9.c5? (better is 9.Ne2–+) 9...Nc5 10.Qb4 Qc7 11.d4 ed4 12.Bc4 (12.Qd4 Qa5 13.Qb4 Qb4 14.Rb4 Be6–+) 12...Be6 13.Rd1 0–0 14.Rd4 Qb6 15.Be6 (15.Qd2 d5 16.ed5 Bd5–+) 15...Ne6 (better is 15...Nd3! 16.Rd3 Qb4 17.Kd1 fe6–+) 16.Qb6 ab6 17.Rd3 Ra4 (17...d5 18.Ne2–+) 18.Ne2 Rfa8 (18...d5!? 19.Nb1 de4 20.Rd2–+) 19.Nb1 d5 20.e5 (20.ed5 Nc5 21.Rd2 Ra2 (21...cd5?! 22.Nbc3–+) 22.Ra2 Ra2–+) 20...Nd7 21.f4 (21.Nbc3 Ne5 22.Re3 Nc4 23.Re6 fe6 24.Na4 Ra4–+) 21...Nf4 22.Nf4 Rf4 23.Ra3 (23.Rd2 Rfa4 24.e6 fe6–+) 23...Re4 (23...Ra3 24.Na3 Ra4 25.Nc2–+) 24.Kf2 (24.Kd1 Ra3 25.Na3 Ne5–+) 24...Ra3 25.Na3 Ne5 (25...Ra4 26.Nc2 Ra2 27.Rc1–+) 26.Rd1 (26.Nc2 d4–+) 26...Ra4 27.Nc2 Ra2 28.Rd2 b5 29.Re2 f6 30.Nd4 Re2 31.Ke2 b4 32.Nb3 b6 33.h3 c5 34.g4 Kf7 35.Kd1 Nc6 0–1. A_Pony_Named_Wibbles – tripp_stir, chessworld.net, 2014.

4.Na3 Nf6 5.Qf3 0–0 6.Bc4 c6 7.Ne2 d5 8.ed5 cd5 9.Bb3 Bg4 10.Qg3 Be2 11.Ke2 Nbd7 12.Nb5 Nc5 13.Nc3 Rc8 14.Kd1? (better is 14.Rhe1–+) 14...d4 (14...Nb3?! 15.ab3 d4 16.Ne2–+) 15.Nb1 Nfe4 (15...Nb3?! 16.ab3 Qb6 17.Na3–+) 16.Qf3 d3 17.Nc3 (17.c3–+) 17...dc2 18.Bc2 0–1. kupovgeorge (1630) – marekt (1820), gameknot.com, 2013.

3.Bb5 Nf6

4.Nf3 Ne4 5.c3 Be7 6.Bb2 c6–+ 7.h4?? cb5 8.Ne5 0–0 9.f4 Bh4 10.Rh4 Qh4 11.Ke2 Qf4 12.Kd3 Nf2 13.Kc2 Nd1 14.Kd1–+ Qe5 15.Ba3 Re8 16.Bc5 Qc5 17.Na3 Qa3 18.d3 Re1! 19.Ke1 Qc3 20.Ke2 Qa1 21.Ke3 Qa2 0–1. efoubert – rparker (1660), net–chess.com, 2001.

4.Nf3 Qe7 5.Nc3 0–0 6.Nd5 Nd5 7.ed5 e4 8.Nd4 Qe5 9.Bb2 Qd5 10.Qg4 d6 11.Nf3?? Bg4–+ 12.Nd4 e3! 13.fe3 Qg2 14.Rf1 Qd2 (14...Bd2?!=) 0–1. bobbybison – jmarsh, net–chess.com, 2002.

3.c3 Ba5

4.Qa4 Bb6 5.Ba3 Nf6 6.Bb5 c6 7.f4?? cb5–+ 8.Qb4 Nc6 9.Nf3 Nb4 10.cb4 ef4 11.Nc3 0–0 12.Nd5 Nd5 13.0–0–0 Qc7 14.Kb1 Nf6 15.Rhe1 Re8 16.g3 Ne4 17.Nd4 Nd2 18.Rd2 Re1 19.Kb2 Bd4 20.Rd4 Rc1 21.Kb3 Qc2 (21...Qc3) 0–1. idontknow – cruciverbalist, net–chess.com, 2006.

4.Qa4 c6 5.Nf3 d6 6.d3 Nd7 7.Bg5 f6 8.Be3 Ne7 9.Na3?? (better is 9.Be2–/+) 9...Bc3–+ 10.Bd2 Ba1 0–1. saliamichenko – stameni, gameknot.com, 2014.

4.Qa4 Nc6 5.Bb5 a6?? 6.Bc6+– Bb6 7.Nf3?? bc6 8.Ne5? Qg5–+ 9.Nf3?? Qg2 10.Rf1 Qf3 11.c4 Qe4 12.Kd1 Nf6 13.f3?? Qe5 14.Nc3?? Qh2–+ 15.c5 Bc5 16.Ba3 Ba3 17.Qa3 d5 18.d4 Be6 19.Qc5 Qd6 20.a4 Qc5 21.dc5 d4 22.Ne4 Ne4 23.fe4 Rb8 24.Rf4 0–0 25.e5 Rfd8 26.a5 d3 27.Kd2 Rb2 28.Kc1 Ra2 29.Rb1 d2 30.Kd1 Bb3! 31.Rb3 Ra1 32.Kc2 d1Q 33.Kb2 Qc1# 0–1. jbneville – willowsa, net–chess.com, 2002.

4.Bb5 a6 5.Ba4 b6 6.Ba3 Qf6 7.Nf3 Bb7 8.Qb3? Nc6 9.0–0 Nh6 10.Nd4?? Nd4 11.cd4 0–0–0 12.de5 Qe5 13.d4?? Qd4 14.Nc3?? Qc3 15.Qc3 Bc3 16.Rac1 Be5 17.Be7 Rde8 18.Bh4 c6 19.g3 b5 20.Bb3 a5 21.f4 Bb2 22.Rc2 Bd4 23.Kh1 Re4 24.Bf7 Nf7 25.a3 a4 26.Rcc1 c5 27.f5 Re1 0–1. lucky bucky – Papa Lazarou II, ChessWorld.net, 2004.

4.Bc4 Nf6 5.d3 c6 6.Bg5 0–0 7.Qh5?? Nh5–+ 8.Bd8 Rd8 9.Nf3 d5 10.ed5 cd5 11.Ne5 dc4 12.dc4 Bf5 13.Ke2 Nf6 14.Na3 Bc3 15.Rac1 Be5 16.Rhd1 Nc6 17.Rd8 Rd8 18.h3 Bb2 19.Rc3 Bc3 20.Nb5 Bb4 21.a3 Bd3 22.Ke3 Bc5 23.Kf4 Bc4 24.Nc3 Nd5 25.Kg5 Re8 26.a4 Bf2 27.h4 Re5 28.Kg4 Nd4 29.Nd1 Be2 30.Kh3–+ Bd1 31.g3 Bf3 32.g4 Nf4 33.Kh2 Re1 34.g5 Rh1 0–1. crome – SirGraves, ChessWorld.net, 2005.

4.Bc4 Nf6–/+ 5.f3 0–0 6.Na3 c6–+ 7.Ne2 d5 8.ed5 cd5 9.Bb3 Nc6 10.0–0 e4 11.fe4 Ne4 12.Nf4? Bb6 13.Kh1 Nf2 14.Rf2 Bf2 15.Nd5 Be6 16.Qf3 Bb6 17.Nb6 ab6 18.Bc2 Bd5 19.Qh3–/+ g6 20.d4?? Qf6 21.Bh6?? Rfe8 22.Bb3 (22…Bb3 23.ab3 Ra3 24.Rd1–+; 22.c4 Qe7 (< 22...Qd4 23.Rb1 Qf2 24.Qg3 Qg3 25.hg3–+) 23.Qc3 Ra3–+). Cleopatre – kakarot716, internet, 2007.

4.Bc4 Nf6 5.Qf3 0–0 6.Ba3 d6 7.h4 Nc6 8.Rh3 Bh3 9.gh3 d5! 10.ed5 (10.Bd5 Re8; 10.ed5 Ne7). remote – SPANKME, playchess.de, 2001.

4.Bc4 Nf6 5.Nf3 Ne4 6.Ne5 Rf8?? 7.f3?? Nc5 8.Bf7?? Rf7–+ 9.Nf7 Kf7 10.0–0 d6 11.d4–/+ Na4?? 12.Qa4+– Bb6 13.Qb3 d5 14.Be3+– Nc6 15.Rd1 Na5+/– 16.Qc2 Nc4 17.Qh7 Ne3=+ 18.Qh5 Kg8 19.Rd2? c5 20.Re2? cd4–+ 21.g4 Nc4 22.Re8+– Qe8 23.Qe8 Kh7 24.h4 dc3 25.Kf1 c2?? 26.h5 c1Q–+ 27.Kg2 Qb2 28.Kg3 Qa1 29.Qg6= Kg8 30.h6?? Qa2 31.Qg7 1–0. ishkbibl – autocage, net–chess.com, 2006.

4.d4 Bc3?? 5.Nc3+– ed4 6.Qd4 Nf6. abolan – cwhite (2100), net–chess.com, 2005.

4.d4 ed4 5.Qd4 Bb6 6.Qg7= Qf6 7.Qg3 Bf2?? 8.Ke2?? Bg3–+ 9.hg3 d6 10.Nf3 Bg4 11.Nbd2 Qc3 12.Rb1 Nf6 13.Rb7 Qc1 14.Ke3 Bf3 15.gf3 Qc5 16.Ke2 0–0 17.Rh6 Nbd7 18.Kd1 Kg7 19.Rb5 Qb5 20.Bb5 Kh6 21.f4 Nb6 22.Bd3 Ng4 23.Nf3 Nf2 24.Ke1 Nd3 (25.Kd2 Nc5–+) 0–1. scmorgan – tomy (2260), net–chess.com, 2006.

4.d4 ed4 5.Qd4 Qf6 –/+.

4.Qf3 Ne7 5.Bc4 0–0 6.Nh3 h6 7.Ba3 d6–/+ 8.0–0 c5 9.Bb2 Ng6 10.d4 Bh3 11.Qh3 cd4 12.cd4=+ Qg5 13.Bd5 Nf4–/+ 14.Qf3 Kh8?? 15.Bb7+– Nd7 16.Ba8 Ra8 17.g3 Ne6? 18.Qf7+– Ndf8 19.d5 Nc5 20.h4 Qg4 21.Nd2?? Bd2–+ 22.Ba3 Qe4 23.Bc5–/+ dc5 24.Rad1 Bb4 25.d6 Qg6 26.Qb7 Rd8–/+ 27.Qa7 Rd6 28.a3 Rd1 29.Rd1 Bc3? 30.Qc5+– Bd4 31.Qf8 Kh7 32.Kg2 Qe4?! 33.Qf3 Qf3 34.Kf3 Kg6 35.g4 h5 36.Kg3 Kf6 37.f4 ef4 38.Kf4 Be5 39.Kf3 hg4 40.Kg4 Bc3 41.h5 Kf7 42.Kg5 Bf6 43.Kf5 Bb2 44.Rd7 Kg8 45.a4 Kh7 1–0. Kunk – ahmed sharkawy_1, ChessWorld.net, 2005.

4.Nf3 Nc6 5.Bb5 Nge7–/+ 6.0–0 0–0 7.Ba3 d6 8.Bb2 a6 9.Bc4 Ng6 10.d4 ed4 11.cd4 Bg4 12.h3=+ Bd7 13.a3 Nf4 14.d5=+ Ne5 15.Ne5 de5 16.Be5 Ng6 17.Bd4= (17…Re8 18.Qf3=). savage13 – willow27, ChessWorld.net, 2007.

4.Nf3 Nc6 5.Bc4 h6 6.0–0 Nf6 7.d3 a6 8.h3 0–0–/+ 9.Ba3 Re8 10.Qb3=+ d5 11.ed5 Ne7?? 12.d6!+– cd6 13.Bf7 Kh8 14.Be8 Ne8 15.Nbd2 b5 16.Ne4 d5? 17.Be7+– Qe7 18.Ng3 e4 19.de4 de4 20.Nd4 Bc7? 21.Ne4 Qe4 22.Rfe1 Qg6 23.Re3 Bb7–/+ 24.Nf3 Nf6 25.c4 Rb8 26.Rae1 Bb6 27.Re7 Bc5 28.cb5 Qg3 29.R1e2? Bd5 30.Qd3 Bf3 31.Qf3 Qf3 32.gf3 Be7 33.Re7 Rb5 34.Re2 Kh7 35.Kg2 Kg6 36.a4 Ra5 37.Re6 Ra4 38.Rc6 a5 39.Ra6 Ra3 40.Kf1 Kf5 41.Ke2 a4 42.h4 g5 43.hg5 hg5 44.Ra5 Kf4 45.Kd2 Rf3 46.Ra4 Ne4 47.Ke2 Rf2 48.Kd3 Rf3 49.Ke2 g4 50.Rb4 g3 51.Rb1 g2 52.Rg1–+ Kg3 53.Ra1 Rb3 54.Rc1 Kh2 55.Re1 Ng3 56.Kf2 Rb2 57.Kf3 Nf1 (58.Re2 Re2 59.Ke2 g1Q–+) 0–1. bar (1905) – dennism (2100), net–chess.com, 2008.

4.Nf3 Nc6 5.Bd3 Nf6–/+ 6.h3 0–0 7.0–0 d6 8.a4 Re8 9.Na3 Be6 10.Ng5 h6 11.Ne6 Re6 12.Bc4 Re7 13.Qf3 b6 14.Nc2 Qd7 15.d4 ed4–/+ 16.Qg3?? Bc3 17.Rb1 Ne4 18.Qf4 d5 19.Bb5 a6 20.Bd3 f6 21.f3 Ng5 22.Bd2 Bd2 23.Qd2 a5 24.Bb5 Qd6 25.h4 Nh3?? 26.gh3–/+ Qg3 27.Qg2 Qg2 28.Kg2 Re2?? 29.Be2+– Re8 30.Bb5 Re6 31.Bc6 Re2 32.Rf2 Rf2 33.Kf2 d3 34.Nd4 d2 35.Rd1 g6 36.Rd2 Kg7 37.Ne6 Kf7 38.Nc7 f5 39.Bd5 Kf6 40.Rb2 Ke5 41.Rb6 Kd4 42.Bf7 g5 43.hg5 hg5 44.Rb5 g4 45.hg4 fg4 46.fg4 Ke4 47.Ra5 Kf4 48.Be6 Ke4+– 49.Rb5 Kf4 50.a5 Ke4 51.a6 Kf4 52.a7 Ke4 53.a8Q Kd3 54.Qd5 Kc3 55.Rb3 Kc2 56.Qd3 Kc1 57.Rb1 1–0. halo2 – andre2004, ChessWorld.net, 2005.

4.Nf3 Nc6 5.g3 Nf6 6.d3 0–0 7.Bg2 d6 8.0–0 Bg4 9.h3 Be6 10.Bb2 Qd7 11.g4 h5 12.g5 Nh7 13.Nbd2 Bh3–+ 14.Bh3 Qh3 15.Nh2 Ng5 16.Ndf3 Nf3 17.Qf3 Qf3 18.Nf3 f5 19.Nh4 fe4 20.de4 Rf4 21.Ng2 Re4 22.f3 Rc4 23.Ne3 Rf4 24.Nd5 Rf7 25.f4 Raf8 26.fe5 Ne5 27.Rf7 Rf7 28.Rf1 Rf1 29.Kf1 c6 30.Ne7 Kf7 31.Nf5 d5 32.Nd6 Ke6 33.Nb7 Bb6 34.Ba3 Nc4 35.Bc5 Kd7 36.Bf2 Kc7 37.Nc5 Bc5 38.Bc5 a5 39.Bf8 g5 40.Bh6 g4 41.Bf4 Kd7 42.Kg2 Ke6 43.Kg3 Kf5 44.Bb8 Ne3 45.Kh4 Nd1 46.Kh5 Nc3 47.a3 c5 48.Bd6 c4 49.Kh4 d4 50.Bc5 d3 51.Be3 Ne4 52.Bh6 d2 53.Bd2 Nd2 54.Kg3 c3 55.Kf2 c2 56.Ke2 c1Q 57.Ke3 Ne4 58.Ke2 Qd2 59.Kf1 Qf2# 0–1. arok – reddragonx (1730), internet, 2007.

4.Nf3 Qf6 5.Be2 Bb6 6.d3 d6 7.0–0 h6 8.h3 Ne7 9.Na3 c6 10.Nc4 Bc7 11.Be3 d5 12.ed5 cd5 13.Ncd2 Nbc6 14.Qb3 0–0 15.d4 e4–+ 16.c4? ef3 17.Nf3 dc4 18.Qc3 b5 19.Rac1 Nd5 20.Qe1 Bf4 21.Qd2 Be3 22.fe3 Qe6 23.Rb1 a6 24.Bd1 Qe3 25.Qe3 Ne3 26.Re1 Nd1 27.Rbd1 Nb4 28.a3 Nd3 29.Re7 Be6 30.Ne5 Ne5 31.de5 Rfd8 32.Rf1 Rd7 33.Rd7 Bd7 34.g4 Re8 35.Re1 f6 36.g5 hg5 37.Rd1 Bh3 38.ef6 gf6 39.Rd6 Re6 40.Rd8 Kh7 41.Rd7 Kg6 42.Rd1 Bf5 (43.Rc1 Re3–+) 0–1. halo2 – zggenev, ChessWorld.net, 2005.

4.Qg4 g6 5.Bb5 c6 6.Bc4 d6 7.Qe2 Nf6 8.d3 Bg4 9.f3 Bd7 10.Bg5 b5 11.Bf6 Qf6–+ 12.Bb3 0–0 13.g3 c5 14.Qd2 Nc6 15.Ne2 Qf3 16.Rg1 b4 17.c4 Bg4 18.Rf1 Qg2 19.Ng1 Qd2 20.Nd2 Bd8 21.Ba4 Nd4 22.a3 Bg5 23.Nb1 f5 24.ab4 cb4 25.ef5 Nf5 26.h3?? Ne3 27.Rf8 Rf8 28.Nd2 Ng2 0–1. crome – pieeater, ChessWorld.net, 2005.

4.Qh5 g6?? (better is 4...d6–/+) 5.Qe5+– Ne7 (5...Kf8 6.Qh8 Qh4+–) 6.Qh8 Ng8 7.g3 (7.Qg8 Ke7 8.Qh7 Qe8+–) 7...Nc6 (7...Kf8 8.d3 Nc6 9.Bh6 Ke7 10.Bg5 f6 11.Qg7 Ke6 12.d4 Nd4 13.Bf4+–) 8.Ba3 (8.Qg8 Ke7 9.Qh7 Qf8+–) 8...d6 (8...Nce7 9.Be7 Ke7 10.Qe5 Kf8 11.Qa5+–) 9.e5 (better is 9.Qg8 Ke7 10.Qh7 Be6+–) 9...Ne5 (9...Ke7 10.Bg2+–) 10.d4 (10.Qg8 Ke7 11.Qh7 Bf5+–) 10...Nc6 (10...Nd7 11.Qg8 Nf8+–) 11.Nd2 (better is 11.Qg8 Kd7 12.Qf7 Qe7 13.Qe7 Ke7+–) 11...Bc3 (11...Ke7 12.Bb2+–) 12.Ne2 (better is 12.Qg8 Ke7 13.Qd8 Kd8+–) 12...Ba1 13.Qg8 Kd7 (13...Ke7 14.Qd8 Nd8 15.Nb3 Bd4 16.Ned4+–) 14.Qh7 (14.Qh7 Qf6 15.Bh3 Ke7 16.Nf4+–) 1–0. Yujra Chavez,VR – Huaranca Espinoza,Geraldine M, Tingo Maria PER, 4th UNAS Open, 2012. (=1.e4 e5 2.b4 Bb4 3.c3 Ba5)

3.c3 Bc5

4.Bc4 Qf6 5.Ne2?? (better is 5.Nf3=+) 0–1. boldeagle – monas, ChessWorld.net, 2005.

4.d3 Nc6 5.f3 Bg1 6.Qc2?? Nf6 7.Rg1–/+ 0–0 0–1. thedenverone – felippe (2100), net–chess.com, 2003.

4.d3 Qf6 5.f3 Bg1 6.Rg1–/+ Ne7 7.Be2 0–0 0–1. thedenverone – felippe (2100), net–chess.com, 2003.

4.d4 Bb6 5.de5= Nc6 6.Nf3 g6 (6...Qe7 7.Qd5=) 7.Bc4 (7.Bg5 Nge7+=) 7...Nge7 (7...Qe7!? 8.Ba3 d6 9.ed6 Qe4 10.Be2 Be6=) 8.Bh6 a5? (8...Na5 9.Nbd2+/–) 9.Na3 (better is 9.Qb3 d5 10.ed6 (10.ed5?! a4 11.Qd1 Na5 12.Qa4 Bd7+/–) 10...Qd6 11.Bf7 Kd8 12.Bg7+–) 9...f5?? (better is 9...a4+/–) 10.ef6+– Ng8 (10...d5 11.ed5 Na7+–) 11.f7 Ke7 12.fg8Q Rg8 13.Bg5 Ke8 14.Bd8 Kd8 15.Bg8 Ba7 16.Ng5 d5 17.Qd5 Ke7 18.Qf7 Kd6 19.Nc4 Kc5 20.Qd5 1–0. glovio (1605) – greg64, gameknot.com, 2013. (=1.e4 e5 2.b4 Bb4–/+ 3.c3 Bc5)

4.d4 Bd6 5.Be3 ed4 6.Bd4 Bf8 =+.

4.d4 Bd6 5.de5 Be5 6.Bb2 Nf6–/+ 7.f3 c6 8.Bc4 d5–+ 9.ed5 cd5 10.Bb5 Nc6 11.Bc6 bc6 12.Ne2 Qb6 13.Qc2 0–0 14.Ng3?? g6 15.Nd2 Ba6 16.0–0–0 Qf2 17.Rhg1 Ng4?? 18.Rdf1?? Qb6 19.Re1?? Rab8 20.fg4=+ Rfe8 21.Nf3?? Bf4–/+ 22.Kb1?? Bd3 23.Re8 Re8?? 24.Qd3+– Rb8 25.Qc2 Bd6 26.Kc1 Bf4+/– 27.Kd1 Qb2 28.Qb2 Rb2 29.a4 Rb1 30.Ke2 Rb2 31.Kd3 c5 32.Re1 Rg2 33.Re8 Kg7 34.Ng5?? Bg3 35.hg3–+ Rg3 36.Kc2 Rg4 37.Nf3 Ra4 38.Ne5? Re4 39.Re7 Kf6 40.Rf7 Ke5 41.Rh7 a5 42.Ra7 a4 43.Kb2 Rc4 44.Ra5 d4 45.cd4 Rd4 46.Rc5 Rd5 47.Rc4 Rd4 48.Rc6?? g5–+ 49.Rc5 Rd5 50.Rc4 Rd4 51.Rc5 Rd5 52.Rc4 Rd4 53.Rc5 Rd5 54.Rc4 Ra5 55.Ka3 Kf5 56.Ra4 Ra4 57.Ka4 g4 (58.Ka5 g3 59.Kb5 g2 60.Kc4 Ke4 61.Kc5 g1Q 62.Kb5 Kd5 63.Kb4 Qd4 64.Kb3 Qc4 65.Kb2 Qb4 66.Kc2 Kc4 67.Kc1 Qe1 68.Kc2 Qe2 69.Kc1 Kc3 70.Kb1 Qb2#) 0–1. Cleopatre – piotrek3054, internet, 2007.

4.d4 Bd6 5.de5 Be5 6.Nf3 Bd6 7.e5 Bc5 8.Ba3 Bb6 9.Nbd2 Nc6 10.Bb5 Nge7 11.0–0 0–0=+ 12.Bc6 bc6 13.Qa4 d6 14.ed6 cd6–/+ 15.Rad1 d5 16.c4 c5 17.cd5 Nd5 18.Ne4= f5 19.Nc5+/– f4? 20.Qc6+– Rb8 21.Rfe1 Rf5? 22.Re8 Rf8 23.Rd8 Rd8 24.Rd5 Rd5 25.Qe8# 1–0. Leoni,Carlos – Armistead,Anthony, IECC, 1997.

4.d4 Bd6 5.de5 Be5=+ 6.Nf3 f6 =. scmorgan – sbderkach (1680), net–chess.com, 2006.

4.Ke2?? d5 5.Ba3 Ba3 6.Na3 de4 7.Qa4 Nc6 8.Qe4 –+.

4.Ke2?? Qh4 5.Kd3 (5.d4 Qe4 6.Be3 ed4 7.cd4 Bb6–+) 5...Qf2 6.Na3 f5 7.Nc2 fe4 8.Kc4 d6 9.Nb4 Be6 10.Kb5 a5 11.Be2 a4 12.Rb1 Bb6 13.c4 Qc5# 0–1. neckbreaker – Clarix, ChessWorld.net, 2002.

4.Qe2 Nf6 5.f3 Bg1 6.Qe3?? Be3–+ 7.de3 0–0 0–1. thedenverone – felippe (2100), net–chess.com, 2003.

4.Qf3 Qf6 5.g4 Qf3 6.Nf3 d6 7.Ng5? Bg4 8.Bc4 Nh6 9.h3 Bd7 10.Nf3 Be6 11.Bb5 c6 12.Bd3 f5 13.Rg1 0–0 14.Ng5 Bd7 15.Bc4 Kh8 16.Ne6? Be6 17.Be6 fe4 18.Rg3 Bf2 19.Ke2 Bg3 20.Ba3 Re8 21.Bb3 d5 22.d4 ed4 23.cd4 Nd7 24.Nd2 Nf5 25.Bb2 Bd6 26.a4 Rf8 27.Nf1 Ng3 28.Ng3 Bg3 29.Ba3 Rf2 0–1. Regicide – Sirius, HCL–C2225 playchess.de, 2003.

4.Nf3 Nc6 5.Bc4 Nf6 6.d3 Ng4 (better is 6...0–0–/+) 7.Be3?? (better is 7.Bf7 Kf8 8.d4 ed4 9.Bg5=) 7...Be3–+ 8.fe3 Ne3 9.Qd2 Nc4 10.Qe2 (10.dc4 d6 11.0–0–+) 10...Nd6 11.Na3 0–0 12.0–0 b5 13.Nc2 Bb7 14.Qf2 f5 15.ef5 Rf5 16.Qe2 Qe7 17.Nd2 (17.Ne3 Rff8–+) 17...Raf8 18.Ne3 Rg5 (better is 18...Nd4!? 19.cd4 ed4 20.Rae1 de3 21.Qe3 Qe3 22.Re3 Rf1 23.Nf1–+) 19.Rf8 Kf8 20.Rf1 Kg8 21.Nd5 Qd8 22.Ne4 Ne4 23.de4 b4! 24.cb4 (24.cb4 Nd4 Combination; 24.Nb4 Ne7 Combination) 24...Nd4 25.Qd1 (25.Qc4 Ne6–+) 25...c6 (25...Bd5!? 26.ed5 Qa8 27.Rf2 Qd5 28.Qf1–+) 26.Nc3 Ba6 27.Rf2 Qb6 28.Kh1 (28.a3 Rg6–+) 28...Qb4 29.Nb1 Rg4 30.Qf1 (30.Nd2 Qc3 31.Qb1–+) 30...Bf1 31.Rf1 Qb2 32.a4 Qg2 0–1. pape reyes – Tony_Farrell, chessworld.net, 2014.

4.Nf3 Nc6 5.d4 ed4 6.cd4 Bb4 (7.Bd2 Qe7=+). Ramiz – Maradona (1750), internet, 2006.

4.Nf3 Nc6 5.d4 ed4 6.cd4 Bb4 7.Nbd2 Qe7 8.Bc4 Qe4 9.Kf1 Bd2 10.Bd2 d5 11.Qe1 Nge7 12.Ng5?? Qe1–+ 13.Be1 dc4 14.Rc1 Bf5 15.Rc3 Rd8 16.Nf3 Nd4 17.Nd2 Bd3 18.Kg1 Ne2 19.Kf1 Nf5 20.Ne4 Nfd4 21.Nc5 Ng3 22.Kg1 Nde2# 0–1. Merlina – Chaos, mySchach.de, 2003.

4.Nf3 Qf6 5.Bc4 d6 6.d3 h5 7.h4 Bg4 8.Bb5 Nc6 9.Bc6 bc6 10.Bg5 Qe6 11.Nbd2 Nh6 12.Bh6 Qh6 13.Qb1 0–0 14.Ng5 Qf6–+ 15.f3 Rab8 16.Qd1 Be3 17.Nc4=+ Bc5 18.Rf1?? Bd7 19.Qc2? d5–+ 20.ed5 cd5 21.Na5 Qa6 22.d4 ed4?? 23.Qh7 1–0. crystal palace – Seimi Agus Eion, ChessWorld.net, 2005.

4.Nf3 Nf6 5.d4 ed4 6.e5 Ne4 7.cd4 Be7 8.Qe2 Ng5 9.Qe3 Nf3–/+ 10.Qf3 Nc6 11.Bc4 Nd4?? 12.Qf7# 1–0. theeagle (1740) – mduerr, net–chess.com, 2007.

4.Nf3 Nf6 5.Ne5 Ne4 6.Bc4? Qf6 7.0–0? Qe5 8.Qf3?? d6 9.Qf7–/+ Kd8 10.d4 Bd4! 11.Qf4?? Nc3 12.Qg5 Qf6 13.Re1 Nd7 14.a4 b6 15.Re6 Bb7 16.Be3?? Nd1 17.Rf6 Bf6 18.Qb5 Ba1 (19.Be6 Nf6–+) 0–1. monty – verbal, net–chess.com, 2003.

4.Qg4 Qf6 5.Qf3 Qb6 6.Bc4 Nf6 7.Ba3?? Ba3–+ 8.Na3 d6 9.h3?? Qb2–+ 10.Rb1 Qa3 11.Ne2 Nbd7 12.0–0 Nb6 13.Bb3 0–0 14.d3 Be6 15.c4 a5 16.Nc3 Qb4 17.Rfc1 Qc5 18.Bd1 c6 19.g4 d5 20.cd5–/+ cd5 21.Nd5 Nfd5?? 22.Rc5+– Nd7 23.ed5 Nc5 24.de6 fe6 25.Qe3 Rac8 26.Rc1 Nd7 27.Bb3 Rce8 28.d4 ed4 29.Qd4 Nf6 30.Rc7 Rf7 31.Rf7 Kf7 32.g5 Nh5 33.Qd7 Re7 34.Qd2 b6 35.Qd3 g6 36.Qe3 Ng7 37.Qb6 Nf5 38.Qa5 Rd7 39.Qe1 Rd6 40.Qc3 Ng7 41.Qc7 Kf8 42.Qd6 (42…Ke8 43.Be6 Ne6 44.Qe6 Kd8 45.Qg8 Ke7 46.Qh7 Kd6 47.Qg6 Kd5 48.Qf5 Kc6 49.g6 Kc7 50.g7 Kd6 51.Qg6 Ke5 52.Qg3 Ke6 53.g8Q Kd7 54.Qd5 Ke8 55.Qe6 Kf8 56.Qgg8#) 1–0. Rickytan (1645) – michas, internet, 2007.

4.Qg4 Qf6 5.Nh3 Nc6 6.Bc4?? d6 7.Qe2 Bh3 8.gh3 0–0–0 9.Ba3 Bb6 10.Bb5 Nge7 11.Bb4 d5 12.Be7 Ne7 13.Rf1 d4 14.a4 a6 15.a5 ab5 16.ab6 c6 17.Qg4 Kb8–/+ 18.Ra7 c5 19.f4–/+ ef4 20.Rf4 Qb6 21.Ra3 dc3 22.dc3 b4 23.Rb3? c4–+ 24.Rb4 Qe3 25.Kf1 Qd3 26.Kf2–/+ Qc2 27.Kg3?? Rd3 28.Rf3 Rf3 29.Qf3–/+ f6 30.e5?? Qg6 31.Kf2= Qc2 32.Ke1 Qc1 33.Ke2 Qc2 34.Nd2 Qd3–/+ 35.Kd1? Qd7?? 36.Rc4 fe5–/+ 37.Qg3 Nf5?? 38.Qe5+/– Nd6?? 39.Rd4 Kc7 40.Ne4 Re8 41.Qf4 Re6 42.Nc5+– Qe7 43.Ne6 Qe6 44.c4 b6 45.Kc2 Qe2 46.Kb3+– b5?? 47.Qd6 Kb7 48.Qd7 Kb6 49.Rd6 Kc5 50.Qc6# 1–0. Hotze – Master1, mySchach.de, 2005.

4.Qg4 g6 5.Ba3 d6 6.Qe2 Be6 7.Bc5= dc5 8.Nf3 Nd7 9.Qb5 b6 10.Be2 Ngf6 11.Ne5=+ Ne4 12.Bf3 Nd6 13.Qc6 Rb8 14.0–0 0–0 15.Re1 Re8 16.Na3 Bf5 17.d4=+ cd4 18.cd4 Re6 19.Bd5 Re7 20.Rac1 Rc8 21.Nac4 Nc4 22.Qc4 Ne5 23.Re5 Qd6 24.Re7 Qe7 25.Qa6 Rd8 26.Qa7?? Rd5–+ 27.Qa8 Rd8 28.Qf3 Rd4 29.h3 Rd3 30.Qf4 c5 31.Qb8 Qd8 32.Qe5 Rd1 33.Rd1 Qd1 34.Kh2 Qd2 35.Qb8 Kg7 36.f3 Qa2 37.Qb6 c4 38.Qd4 Kg8 39.Qd8= Kg7 40.Qd4 Kh6 41.Qh4= Kg7 42.Qd4 f6 43.h4 Qe2 44.h5 Qe5 45.Qe5 fe5 (46.Kh1 c3 47.h6 Kh6–+) 0–1. halo2 – Long_Knights, ChessWorld.net, 2005.

4.Qg4 g6 5.Qe2 Qh4 6.g3 Qg5 7.Bg2 h5 8.Na3 h4?? 9.Nf3?? Qf6=+ 10.Nh4 Bd4?? 11.cd4+– ed4 12.d3 Rh5 13.Nc2 Rc5 14.0–0 Qc6 15.Nd4 Qf6 16.Be3 Ra5 17.Bd2 Ra3 18.Nc2 Ra6 19.Nb4 Ra4 20.Qd1 Ra3 21.Nd5 Qd6 22.Bb4 Rd3 23.Qd3 Qc6 24.Rfc1 Qa6 25.Nc7 Kd8 26.Qa6 ba6 27.Na8 Nc6 28.e5 Nb4 29.Nc7 Bb7 30.Bb7 Nd3 31.Ba6 Nc1 32.Rc1 g5 33.Nf5 Ne7 34.Ne7 Ke7 35.Nb5 Ke6 36.Na7 Ke5 37.Rc7 Ke4 38.Rd7 f5 39.Rg7 f4 40.Rg5 f3 41.h4 (41…Kd4 42.Bb7+–) 1–0. halo2 – IrishBouncer, ChessWorld.net, 2005.

4.d4 ed4

5.cd4 Bb4 6.Bd2 Bd2 7.Qd2 d6 8.Bc4 Nf6–/+ 9.e5 Ne4 10.Bf7 Kf7 11.Qf4 Nf6 12.ef6 Re8 13.Ne2 Qf6 14.Qf6 Kf6 (15.Nbc3 c6–/+) 0–1. nickttm – PiedPiper, ChessWorld.net, 2004.

5.cd4 Bb4 6.Bd2 Bd2 7.Nd2 Nc6 8.Nb3 d6 9.Bc4 Nf6–/+ 10.Nf3 Ne4–+ 11.0–0 d5 12.Bd3 Bf5 13.Re1 0–0 14.Qc2?? Nb4–+ 15.Qb1 Nd3 16.Qd3 Re8 17.Qb5 b6 18.Ne5 Nc3?? 19.Qc6 Ne4 20.f3?? Nf6–+ 21.Rac1 Rc8 22.Rc2?? Bc2 23.Qc2 c6 24.Kf2 Qe7 25.Nc1 h6 26.Ncd3 Qe6 27.Nf4 Qd6 28.Nf7 Kf7 29.Qg6 Kg8 30.Nh5 Re1 31.Qg7 1–0. dugmak – andre2004, ChessWorld.net, 2005.

5.cd4 Bb4 6.Bd2 Bd2 7.Nd2 d6 8.Ngf3 Nf6 9.Bc4 0–0 10.0–0 Bg4 11.Qb3 b6 12.Ng5 Bh5 (12...Bh5 13.Rfe1 c6=+). hasant (1915) – bonaparte (2155), net–chess.com, 2008.

5.cd4 Bb4 6.Bd2 Qe7 7.Ne2 Nf6 8.Nbc3 Bc3 9.Nc3 0–0 10.Bd3=+ Nc6 11.Be3 Nb4 12.Rb1 Nd3 13.Qd3 d6 14.Bg5 h6 15.Nd5= Qe4 16.Qe4 Ne4 17.Bf4 c6 18.Ne7 Kh7 19.Nc8 Rac8 20.Rb7 Rb8 21.Rb8 Rb8 22.0–0 g5 23.f3–/+ Nc3 24.Bd6 Rb2 25.Rf2 Ra2 26.Ra2 Na2 27.Kf2 a5 28.Ke2 Nc3 29.Kd3 Nb5 30.Bc5 f5 31.Kc4 a4 32.Bb4 a3 33.Bc3–/+ Nc3 34.Kc3 a2 35.Kb2= a1N 36.Ka1 Kg6 37.Kb2 Kf6 38.Kc3 Ke6 39.Kc4 ˝–˝. Creatchy – grimstad, ChessWorld.net, 2005.

5.cd4 Bb6 6.Bc4 Nf6 7.Nc3 c6 8.Nf3 d6 9.Ng5 0–0–/+ 10.0–0 h6 11.Nf3 Qe7 12.h3? Ne4 13.Ne4 Qe4 14.Be3 d5 15.Bd3 Qe7 16.Ne5 f6?? 17.Ng6= Qf7 18.Nf8+= Qf8 19.Qh5 Qe7? 20.Rfe1 Be6 21.Bf5?? Bf5= 22.Qf5 Nd7 23.Bh6+/– Qf7 24.Be3 Ba5 25.Re2 Re8 26.Qd3 a6 27.a4 Nb6 28.Bd2 Bd2 29.Qd2 Nc4 30.Re8 Qe8 31.Qb4 Qd7 32.Re1 Kf7 33.g4 Qc7 34.f4 b5 35.ab5+= ab5 36.Kg2 Qf4= 37.Qe7 Kg6 38.Qe8 Kh6?? 39.Qh5# 1–0. Alviss – color1972, ChessWorld.net, 2004.

5.cd4 Bb6 6.Nf3 Nc6 7.d5? Na5 8.Nc3=+ Nf6 9.e5 Ng4 10.h3?? Nf2–+ 11.Bg5 f6 12.ef6 gf6 13.Qe2 Kf7?? 14.Ne5= Kf8?? 15.Bh6+– Kg8 16.Ng4?? Nh1 17.Qf3?? Bd4 18.Rd1 Bc5?? 19.Ne4 Qe7?? 20.Ngf6 Kf7 21.Nd7 Ke8–/+ 22.Ndc5 Qh4 23.g3 Qh6 24.Qh1 Qb6?? 25.d6= Bf5 26.dc7+= Qc7? 27.Nf6?? Kf7–/+ 28.Nfe4 Rae8 29.Bd3?? Qc5–+ 30.Kf1 Qa3 31.g4 Bd7 32.Ng5?? Kf6 33.Nh7 Kg7 34.Ng5 Qa2 35.Be4 Rhf8 36.Kg1 Qf2# 0–1. abandon – richye (1655), net–chess.com, 2003.

5.cd4 Bb6 6.Nf3 d5 7.Nc3 de4 8.Ne4 Nf6 9.Nf6 Qf6 10.Be3 Bg4 11.Be2 0–0 12.h3 Bf3 13.Bf3 c6 14.0–0 Bc7 15.Rb1 Qd6 16.g3 b6 17.d5= cd5 18.Bd5+/– Nc6 19.Bc6?? Qc6=+ 20.Bf4? Bf4–+ 21.gf4 Rad8 22.Qe1 Rd3 23.Rb3 Rfd8 24.Rd3 Rd3 25.Kh2 h6 26.Qe2 Qd7 27.f3?? Rd2 28.Rf2 Re2 29.Re2 Qc7 30.Kg3 g5 31.Re4 f5 32.Rd4 gf4 33.Rf4 a5 34.a4 Kg7 35.h4 Kg6 36.h5 Kh5 (37.Kf2 Qf4–+) 0–1. maz_manchester – METSAR, ChessWorld.net, 2005.

5.cd4 Bd6 6.e5 Bb4 7.Bd2 Bd2 8.Nd2 Qg5 9.Ndf3 Qd8 10.Bc4 f6 11.ef6 Nf6=+ 12.Ng5 Rf8 13.Qe2 Qe7 14.Bf7? Kd8 15.Rd1?? Qe2 (16.Ke2 h6–+; 15...h6 16.Qe7 Ke7 17.N1f3–+) 0–1. li0ns4life – MOULTON is back, internet, 2007.

4.Nf3 d6

5.Bc4 a6 6.0–0 b5 7.Bb3 Bg4 8.h3 Bh5 9.g4 Bg6=+ 10.Bc2 h6 11.d4=+ ed4 12.cd4 Bb6 13.Nc3 b4 14.Nd5= a5 15.Nb6 cb6 16.Ba4 Nd7 17.e5 Be4 18.Re1 Rb8?? 19.Re4+– b5 20.ed6 Kf8 21.Bb3 Ngf6 22.Re7 Kg8 23.Rf7 a4 24.Rd7 (24…ab3 25.Qb3 Kh7 26.Qb1 Kg8 27.Rd8 Rd8 28.g5+–) 1–0. ramesis – presort, net–chess.com, 2006.

5.d4 ed4 6.cd4 Bb4 7.Bd2 c5 8.Bb4 cb4 9.d5 Nf6 10.Qc1? Ne4–+ 11.Qf4 Qe7 12.Nbd2?? Nc3 (13.Qe3 Nd5 14.Bb5 Nc6 15.Qe7 Ke7–+) 0–1. xs – joachim (1730), net–chess.com, 2005.

5.d4 ed4 6.cd4 Bb4 7.Nbd2 Bd2 8.Qd2 Nf6 9.Bd3 0–0 10.0–0 Re8 11.e5 Nd5 12.Ng5 h6 (12...de5 13.Bh7 Kf8 14.Ba3 Re7 15.de5+– (15.Be7?! Ne7 16.Rad1 Nbc6+/–)) 13.Bh7 Kf8 14.Ne4 Nc6 15.ed6 g5 16.dc7 Qc7 17.Ng3 Be6 18.Ba3 Kg7 19.Be4 Qa5 20.Qb2 Qb6 21.Qd2 Qa5 (21...Qd4?? 22.Bb2 Qb2 23.Qb2 Kg8 24.Nh5+–; 21...Nd4?? 22.Bb2 Kg8 23.Bd4+–) 22.Qa5 Na5 23.Nh5 Kh8 24.f4 gf4 25.Bd5 Bd5 26.Nf6 Bc4 27.Rf4 Re3 28.Bb2 Kg7 29.d5 Kg6 30.Bd4 Re2?? (better is 30...Re7+–) 31.Rg4 (31.Rg4 Kf5 32.Rf1 Rf2 33.Rf2#) 1–0. Liewer,Markus (2375) – Zimmermann,Bernd (2005), remoteschach.de, 2011. (=1.e4 e5 2.b4 Bb4 3.c3 Bc5)

5.d4=+ ed4 6.cd4 Bb6 7.Nc3 Ne7 8.Be2 0–0 9.0–0 Nbc6 10.d5 Nb8 11.Na4 c5 12.Nb6= Qb6 13.Be3 Bg4 14.Rb1 Qc7 15.h3 b6?? 16.hg4+– Nd7 17.Bg5 f6 18.Bh4 Ng6 19.Qc1 Nge5 20.Ne5 Ne5 21.a4 c4 22.Rb4 a6 23.Bc4?? Ng4?? 24.Qd1 Ne5 25.Be2 a5 26.Rb5 Ng6 27.Bg3 Rfe8 28.Bf3 Ne5 29.Bf4 Nf3 30.Qf3 Qc4 31.Bd6 Qa4 32.Rb6 Re4 33.Qb3 Qb3 34.Rb3 Rd8 35.Ba3 Rd5 36.Rc1 a4 37.Rb7 Rd8 38.Rcc7+– Rg4 39.f3 Rg6 40.Kf2 h6 41.g4 Rd2 42.Kg3 Ra2? 43.Rc8 Kh7 44.Rbb8 Rg5 45.f4?? Ra3=+ 46.Kh4 Ra1?? 47.Rh8 Kg6 48.f5?? Rf5=+ 49.gf5 Kf5 50.Ra8 Rh1 51.Kg3+= Ra1 52.Rhb8 a3?? 53.Rb5 Kg6 54.Rba5 h5 55.Ra3 Ra3 56.Ra3 f5 57.Kh4 Kh6 58.Rg3 g6+/– 59.Rg5 f4 60.Rg2 f3 61.Rf2 g5+/– 62.Kh3 g4 63.Kg3 Kg5 64.Kh2 h4= 65.Kg1 Kf4 66.Kh2?? g3–+ (67.Kg1 gf2 68.Kf1 h3 69.Kf2 h2–+) 0–1. nandy conure – ahmed sharkawy_1, ChessWorld.net, 2005.

5.Be2 Nf6 6.0–0 0–0 7.d4=+ ed4 8.cd4 Bb6 9.Bg5 Be6 10.Nc3 (10…h6 11.Bd2=+). bar (1905) – yannigator (2080), net–chess.com, 2008.

3.c3 Bd6

4.Nf3 Nc6 5.Bc4 Nf6 6.d3 a6 7.Ng5 0–0 8.Be3 h6 9.Nf3 b5 10.Bb3 Ng4 11.h3 Ne3 12.fe3 Qe7 13.Bd5 Bb7 14.d4 Rae8 15.0–0–/+ Nd8 16.Nbd2? Bd5–+ 17.ed5 e4 18.Nh2 (18…Qg5 19.Qe2–+; 18.Ne1 Qg5 19.Nc2 Qg3–+). color1972 – nitousche, ChessWorld.net, 2004.

4.Nf3 Nf6 5.Bc4 Ne4 6.d3 Nf6 7.d4 (7.0–0 0–0–/+) 7...Qe7 (7...Nc6 8.0–0 0–0 9.Bg5–/+) 8.de5 Be5 9.Ne5 Qe5 10.Be3 Qc3?? (Better is 10...d5 11.Bb5 Bd7–+) 11.Nc3+– Nc6 12.Bg5 Ne5 13.Qe2 d6 14.Rd1 0–0 15.f4 Re8 (16.fe5 Bg4+–; 15...Bg4 16.Qf1 Nc4 17.Qc4 Bd1 18.Bf6 Bg4+–) 0–1. chub – genome13, Live Game Caissa's Web, 2004.

3.c3 Be7

4.a3 Nf6 5.Nf3 d6 6.Bb5 c6–+ 7.Ba4 0–0 8.0–0 Ne4–+ 9.d3 Nf6 10.h4 Bg4 11.Bg5 h6 12.Bf6 Bf6 13.d4 ed4 14.cd4 Bh4 15.g3 Bf6 16.Nc3 c5 17.Nd5 Nc6 18.Bc6 bc6 19.Nf4 Bg5 20.Nd3 Qf6 21.Qa4 Qf3 22.Qd1 Qf5 23.f4 Bd1 24.Rfd1 Bf6 25.a4 Bd4 26.Nf2 Ba1 27.Ra1 Rab8 28.Rd1 Rb1 29.g4 Rd1 30.Nd1 Qg4 31.Kf1 Qd1 32.Kf2 Re8 33.f5 Qe1 34.Kf3 Qe2 35.Kg3 Re3 36.Kf4 Qf3 0–1. bouffant – austen (1675), net–chess.com, 2002.

4.Ba3 d6 5.Be2 Nf6 6.Bb5 Bd7 7.c4 Ne4 8.Nc3 Nc3 9.Qf3 Nb5 10.Qb7 Bc6 11.Qa6 Na6 12.cb5 Bb5 13.0–0–0 Bg5 14.Nf3 Be2 15.Rde1 Bf3 16.gf3 0–0 17.Rhg1 Qf6 (18.Rg3 Qf4 19.Rg5 Qg5–+) 0–1. chessmaster07 – moymsk, internet, 2007.

4.Ba3 Nf6 5.Bd3 0–0 6.Nf3 d5 7.Ne5 Ba3 8.Na3 Qe7 9.f4 de4 10.Bc4 Qa3 11.Rb1 Nc6 12.g4 Ne5 13.h3 Nc4 14.g5 Nd5 15.Rb4 0–1. IrishBouncer – Creatchy, ChessWorld.net, 2005.

4.Na3 d5 5.ed5 Qd5 6.Nf3 Bg4 7.g3?? Bf3–+ 8.Qf3 Qf3 9.Rg1 Bc5 10.Rh1 Bf2# 0–1. scj – Caissa, Caissa.com, 2004.

4.Na3 Nf6–+ 5.d4 ed4 6.Qd4 0–0 7.Bb2 d5 8.e5? Re8 9.Nf3 c5 10.Qf4 Ne4 11.Bd3 Bg5 12.Qg5?? Ng5–+ 13.Nb5 Nf3 14.gf3 Re5 15.Kd1 a6 16.c4 dc4 17.Be5 Qd3 18.Ke1 ab5 19.Rd1 Nc6 20.Rd3 cd3 21.Bc3 Ra2 22.f4 b4 23.Bd2 Ra1 24.Bc1 Rc1 25.Kd2 Rh1 26.Kd3 b5 27.f3 Bf5 28.Ke3 Nd4 29.h4 Rh2 30.h5 Re2# 0–1. prata83 – Christobal (1720), internet, 2006.

4.Bb2 Nf6 5.d3 0–0 6.Be2 Nc6 7.Nf3 d5 8.Nbd2 Qd6 9.0–0 Bg4 10.h3 de4 11.de4 Bf3–+ 12.Bf3 Rad8 13.Nc4 Qe6 14.Qb3 b6 15.Be2? Ne4–+ 16.Rfd1 Bc5 17.Rd8 Bf2 18.Kh1 Rd8 19.Rd1 Ng3 (20.Kh2 Ne2 21.Rd8 Nd8–+) 0–1. suri5 – MarcosRamos, internet, 2007.

4.Bb2 Nf6 5.f3 0–0 6.Bc4 d5 7.ed5 Nd5 8.Ne2 Bh4 9.g3 Bf6 10.0–0 Bh3 11.Rf2 Re8 12.Qb3–/+ c6 13.Bd5 Qd5–+ 14.Qd5 cd5 15.d3 Nd7 16.Nd2 Bg5 17.f4 ef4 18.Nf4 Nc5?? 19.Nb3?? Bf4–+ 20.Rf4 Nd3 21.Rh4 Bd7 22.Ba3 Re4 23.Re4 de4 24.Nc1 Bg4 25.Nd3 ed3 26.Rd1 Bd1 27.Kf1 d2 28.Kf2 Re8 29.Bb4 Be2 (30.Bc5 d1Q 31.Be7 Re7 32.g4 Qf1 33.Kg3 Qf3 34.Kh4 Qg4#; 29...Bg4 30.Be7 Re7 31.Kf1 d1Q 32.Kf2 Re2#) 0–1. Cleopatre – isugilbert, internet, 2007.

4.Qb3 Nf6 5.Be2 Ne4 6.Bd1? (Better is 6.Qd5!? Ng5 7.Qe5–+) 6...Bc5 7.Be2 (7.d4 ed4 8.Nf3–+) 7...Nf2 8.Qd1 (8.Qd5 d6 9.d4 Nh1 10.dc5 Qh4 11.Kd1 Nf2 12.Kc2 Bf5 13.Kb2–+) 8...Qh4 9.d4 Nd1 (10.Kd1 ed4–+) 0–1. tauro – Caissa, Live Game Caissa's Web, 2004.

4.Bb5 c6–/+ 5.Bc4 Nf6 6.Qf3 0–0 7.d3 d5 8.Bb3 a5 9.c4 a4 10.Bc2 Bb4 11.Ke2?? Bg4 12.a3 Bf3 13.Kf3 Bc5 14.Bg5 h6 15.Bf6 Qf6 16.Kg3 Bf2 17.Kh3 Qh4 0–1. crome – akadawn, ChessWorld.net, 2005.

4.Bb5 Nf6 5.Ba3 Ba3–+ 6.Na3 Qe7 7.Bc4?? Qa3–+ 8.Qc2 (8...0–0 9.Nf3–+). nachodynamite – tpt456, internet, 2007.

4.c4 c5 5.Nf3–/+ Nc6 6.Nc3 Nf6 7.Be2 d6 8.0–0 Bd7 9.d3 a6 10.Re1 Nd4 11.a4 0–0 12.Bg5 h6 (12...Ne4 13.Ne4 Nf3 14.Bf3 Bg5 15.Ng5 Qg5 16.Rb1–/+) 13.Nd4 cd4 14.Bf6 Bf6 (14...gf6?! 15.Nd5=) 15.Nd5 Bg5 16.a5 Be6 17.Nb6 Rb8 18.Bg4 f5 (18...Qc7!?+=) 19.ef5= Bf5 20.Bf5 Rf5 21.Qg4 Rf7 22.Ra2 Qe8 23.Qe4 Qe6 (23...Qc6!?=) 24.Qd4+= Rbf8 25.Qd5 Qg6 (25...Qd5 26.Nd5 Rc8 27.Rb1+=) 26.Na4 Kh8 27.Nc3 h5? (better is 27...Rd7!?+=) 28.Ne4+– Rd7 (28...Bh4 29.g3 Rd7 30.Rb2+–) 29.Rb1 Rff7 (29...h4 30.h3 Rff7 31.Rb6+–) 30.Rab2 Bd8 31.Rb7 h4 (31...Rb7 32.Rb7 Rb7 33.Qb7 Kh7+–) 32.Rd7 Rd7 33.h3 Qe8 (33...Kh7+–) 34.Rb8 Qe7 35.Ra8 Kh7 (35...Ra7 36.Ra7 Qa7 37.Nd6+–) 36.Ra6 Bc7 37.Ra8 Bd8 38.a6 Bb6 39.Qg8 Kg6 40.Re8 Rd8 41.Rd8 Bd8 42.a7! Qa7 43.Qe8 Kf5 44.Nd6 Kf4 45.Qg6 Qd7 46.g3 hg3 47.Qg3 1–0. omnipotent00 (2235) – trango64 (1800), gameknot.com, 2014.

4.c4 Nf6!? 5.Nc3 0–0 –/+.

4.Bc4 d6 5.Qb3+= Nh6 6.d3 0–0 7.Bh6 gh6 8.Nf3 Bg5 9.h4 Bf6 10.Nbd2 Nc6 11.0–0–0 Na5 12.Qb2 Nc4 13.Nc4 b6 14.Rdg1 Bg4 15.Ne3 Bf3 (15...h5!?+=) 16.gf3= Kh8 17.Nf5 Rg8 18.Nh6 Rg1 19.Rg1 Qe7 20.Qb3 Rf8 21.Qd1 (better is 21.Nf5!? Qd8 22.h5+=) 21...Bh4+= 22.Rg2?? (22.Nf5 Qf6 23.Qf1 (worse is 23.Nh4 Qh4 24.Rf1 Qf4 25.Kb1 c6–/+) 23...Bg5 24.Kd1+=) 22...Bg5–+ 23.Kc2 (23.Rg5 Qg5 24.Qd2 Qd2 25.Kd2 Kg7 26.Nf5 Kf6–+) 23...Bh6 24.Rh2 Qg5 25.Qh1 Qd2 26.Kb3 Kg7 27.Qg1 Kf6 28.Rh5 Ke7 29.Qh1 Bf4 30.Qh4 Ke8 31.Rh7 Qd3 32.Qg4 Qb5 33.Kc2–+ Qd7 34.Qg2 Kd8 35.Qg7 Qe6 36.Qf8+/– Qe8 37.Rf7 Qf8 38.Rf8 Kd7 39.Kd3 Kc6 40.Rc8 a6 41.c4 a5 42.a4 Bh2 43.Ke3 Bf4 44.Ke2 Bh2 45.Kf1 Bf4 46.Kg2 Bd2 47.Kh3 Bf4 48.Kg4 Bh2 49.Rh8 Bf4 50.Rh7 Bd2 51.Rf7 Bc1 52.Kf5 Bf4 53.Ke6 Bd2 54.Kf6 Bf4 55.Kg7 Kb7 56.Kf8 Bh6 57.Ke8 Bf4 58.Kd7 Bg5 59.Rf8 Bd2 60.Rc8 Bb4 61.Rc7 Kb8 62.Kc6 Bc5 63.Rd7 Kc8 64.Rd6 Bd4 65.Re6 Kd8 66.Kd5 Bf2 67.Re5 Bg3 68.Re6 Kc7 69.e5 Bf2 70.f4 Bc5 71.f5 Kd7 72.Rh6 Bb4 73.e6 Ke7 74.f6 Kd8 75.Kc6 Ke8 76.Rh8 Bf8 77.e7 Kf7 78.ef8Q Ke6 79.Rh5 b5 80.Qe7 1–0. Sundfar – Huib, playchess.de, 2003. (=1.e4 e5 2.b4 Bb4 3.c3 Be7)

4.d3 d5 5.d4 (5.Nf3!?–/+) 5...de4–+ 6.de5 Qd1 7.Kd1 Nc6 8.Bb5 Bd7 9.Nd2 0–0–0 10.Ne4 (10.Bc6 Bc6 (10...bc6?! 11.Ne2–/+) 11.Ne2 Nh6–+) 10...Bf5 (10...Ne5?! 11.Bd7 Rd7 12.Kc2–+) 11.Ke1? (11.Nd2 Ne5 12.Ngf3 Nf3 13.gf3–+) 11...Be4 (12.f3 a6–+) 0–1. manny – Caissa, Live Game Caissa's Web, 2004.

4.d4 Nc6 5.d5 Na5 6.Nf3 Bd6 7.Bb2 Nf6 8.Nbd2 0–0 9.c4 h6 10.Ne5 Be5 11.Be5= d6 12.Bc3+/– c6 13.Bd3 Ng4 14.0–0 Ne5 15.Be2 Qf6?? 16.Ba5 b6 17.Bc3 cd5 18.cd5 Bd7 19.Rc1 a6 20.Bd4 b5 21.Nf3 a5 22.Rc7 Rfd8 23.Rb7 b4 24.Ne5 de5 25.Be3 Bc8 26.Rc7 Qd6 27.Rc6 Qe7 28.Bh5 Bb7 29.Bc5 Qg5 30.Rc7 Ba6 31.Rf7 Bf1 32.Kf1 g6 33.Rc7 gh5 34.Be3 Qf6? 35.Qf3?? Qf3= 36.gf3 Rdc8 37.Re7 Rc2 38.d6 Ra2? 39.d7+– Ra1 40.Kg2 Kf8 41.Bc5 b3 42.Re8 (42…Kf7 43.Ra8+–) 1–0. larva – dgall, net–chess.com, 2001.

4.d4 d5 5.Bb5 c6–/+ 6.Ba4 de4 7.de5 Nd7 8.Qe2? Ne5–+ 9.Qe4 Nd3 10.Kd2 Nf2 11.Ke3 Ne4 12.Ke4 Bc5 13.a3 Qd5 14.Kf4 Qf5 15.Kg3 Qf2 0–1. crome – Gervie, ChessWorld.net, 2005.

4.d4 d5 5.Qf3 de4 6.Qe4 ed4 7.cd4 Nf6–+ 8.Qe5 Nc6 9.Bb5 0–0 10.Bc6 bc6 11.Bg5 Bb4 12.Ke2?? Re8 13.Bf6 gf6 14.Qe8 Qe8 15.Kd3 Bf5 16.Kc4 Qe1 17.h3 Be6 18.Kd3–+ Bf5 19.Kc4 Rb8 20.f3 Qc1 21.Kb3 Ba3 22.Ka4. crome – ureo, ChessWorld.net, 2005.

4.Qf3 Nf6 5.h4 (5.Bc4 Nc6–/+) 5...d5–+ 6.ed5 Bg4 7.Qd3 Qd5 8.f3 Be6 9.c4 (9.Qd5 Nd5 10.Bc4 Nb4 11.Be6 Nd3 12.Kf1 fe6–/+) 9...Qd3 10.Bd3 Nc6 11.Bf1 (11.Ba3 Rd8 12.Be2 Nd4 13.Be7 Ke7–+) 11...0–0 (11...Nh5!? 12.Na3–+) 12.Nc3 Rad8 13.a4 Nd4 14.Ra2 (14.Rb1 b6–+) 14...Nb3 15.Nce2 Nc1 (15...Nd7!? 16.Rc2–+) 16.Nc1 Bb4 17.Nd3 Rd3 18.Bd3 a5 19.g4 Rd8 20.Rc2?? (better is 20.Be2–/+) 20...Rd3–+ 21.Rh2 h6 (21...Ra3 22.Rc1–+) 22.h5 (22.g5 hg5 23.hg5 Nd7–+) 22...Bd7 23.Ra2 Bc6 24.Re2 (24.Ke2 Rd4 25.d3 Nd7–+) 24...Bd6 (24...e4 25.fe4 Rg3 26.Kf1–+) 25.Re3 Re3 26.Kf2 0–1. Regicide – Cantilever, playchess.de, 2003. (=1.e4 e5 2.b4 Bb4 3.c3 Be7)

4.Nf3 d6 5.Bc4 Nf6 6.Qb3 0–0 7.h3 Nc6 8.d3 Na5–+ 9.Qb4? Nc4 10.Qc4 c6 11.a4 h6 12.Qb3 Qc7 13.0–0 Be6 14.c4 d5 15.cd5 cd5 16.Qc3 Qc3 17.Nc3 de4 18.de4 Rac8 19.Bb2 Rc5 20.Nb5 a6–+ 21.Na7? Rc2 22.Be5 Ra8 23.Bf6 Bf6 24.e5 Be7 25.Nd4 Rc4 26.Ne6 fe6 27.f4 Re4 28.Nb5 ab5 29.ab5 Ra1 30.Ra1 Rb4 31.Ra8 Kf7 32.Kh2 Rb5 33.Rh8 Bf8 34.Rf8 Kf8 (35.Kg3 Rb2–+) 0–1. MissLayla – bridlingtonbrummie, ChessWorld.net, 2010.

4.Nf3 d6 5.d4 ed4 6.cd4 Nf6 +=.

4.Nf3 d6 5.d4 Nf6 6.Bg5 (6.de5!? de5 7.Qd8 Bd8 8.Nbd2–/+) 6...Ne4–+ 7.Be7 Qe7 (worse is 7...Ke7 8.Bd3 f5 9.de5 de5 10.0–0+=) 8.Bd3 (8.de5!? 0–0 9.Qe2–+) 8...ed4 9.Qa4? (9.0–0 Nc3 10.Nc3 dc3 11.Re1–+) 9...Bd7 10.Qd4 Ng3 11.Qe3 Qe3 12.fe3 Nh1 13.Nbd2 Bc6 14.Ke2 Ng3! 15.hg3 Nd7 16.Nh4 0–0 17.Rh1 Rae8 18.g4 Nf6 19.g5 (19.Nf5 Ng4 20.Rh4 Nf6–+) 19...Nd5 20.Ne4 (20.Kf2 Nc3 21.Nf5–+) 20...Re4! 21.Be4 Nc3 (21...Nc3 22.Kd3 Ne4–+) 0–1. Sundfar – Harijs, playchess.de, 2005.

4.Nf3 d6 5.h4 Bg4 (5...Nf6 6.d4–/+) 6.Be2 a6 7.Bb2 (7.Qb3 b5–/+) 7...Nf6 8.0–0 Nc6 9.a3 (9.d4!?–/+) 9...Ne4–+ 10.d3 (10.Ne5 Be2 (10...Ne5?! 11.Bg4 c6 12.d4–+) 11.Qe2 Nc3 12.dc3 de5–+) 10...Nf6 11.Nbd2 Qd7 12.Nh2 Be2 13.Qe2 0–0–0 14.f3? (14.Rab1 Nd5 15.Qf3 Qe6–+) 14...Rhe8 (14...Nh5 15.Qe1–+) 15.d4 ed4 (15...Qf5 16.Rfe1–+) 16.cd4 d5 17.Nb3 Ba3! 18.Qc2 (18.Ra3 Re2 Discovered attack; 18.Ba3 Re2 Discovered attack) 18...Bb2 (18...Bd6 19.Rfb1–+) 19.Qb2 h6?? (better is 19...Qe7 20.Nc5 b6 21.Ra6 Qe3 22.Rf2 bc5 23.Rc6 Qd4–+) 20.Nc5+– Na5 21.Nd7 (21.Ra5?! Qc6 22.Rb1 b6 23.Ra6 Nd7+–) 21...Nd7 (21...Nc4 22.Nb6! Nb6+–) 22.Ra5 Nb6 23.Rc1 Nc4 24.Rc4! dc4 25.Nf1 Rd6 26.Re5 Red8 27.Re4 Rb6 28.Qc3 Rc6 29.f4 b5 30.Ne3 Rcd6 31.Nf5 Rf6 32.Ne7 Kd7 33.Nd5 Rd6 34.Re7 Kc8 35.Rc7 Kb8 36.Rc5 Rd5 37.Rd5 Rd5 38.f5! Rf5 39.Qg3 Kb7 40.Qg7 Kc6 41.Qh6 Kd5 42.Qa6 Kd4 43.g4 Re5 44.Qf6 b4 45.Qb6 Kc3 46.h5 b3 47.h6 b2 48.h7 Re8 49.Qa5 Kc2 50.Qa4 Kc1?? 51.Qc4 Kd2 52.Qb3 Kc1 53.Qc3 Kb1 54.h8Q Rh8 55.Qh8 Kc1 56.Qc3 Kb1 57.Kf1 Ka1 58.Qa3 Kb1 59.Ke1 Kc2+– 60.Qa2 Kc1 61.Qc4 Kb1 62.Kd2 Ka1 63.Qa4 Kb1 64.Kc3 Kc1 65.Qc2 1–0. pikelet – stampyshortlegs, chessworld.net, 2014.

4.Nf3 Nf6 5.Bc4 0–0 6.Ng5? h6 7.Nh3? c6 8.g4? d5 9.ed5 Bg4 10.Ng1 Bd1 11.Kd1 Bc5 12.Ba3 Ba3 13.Na3 cd5 14.Bb3 Ne4 15.f3 Nf2 16.Ke1 Nh1 17.c4 dc4 18.Bc4 Qd4 19.Ne2 Qa1 20.Nc1 Qc1 21.Ke2 Nc6 22.Nb5 Qc4 23.d3 Qc2 (24.Ke1 Nb4 25.d4 Nd3 26.Kf1 Qf2#) 0–1. Roseeis – pierre (1910), internet, 2006.

4.Nf3 Nf6 5.Bc4 Ne4 6.Ne5 d5 7.Bd3 Qd6 8.Qf3?? Qe5 9.Be4 de4 10.Qe3 Nc6 11.Na3 Be6 12.0–0 0–0–0 (13.Re1 Bd6–+) 0–1. BckFsh – mrkt, internet, 2005.

4.Nf3 Nf6 5.Ne5 0–0 6.Nf3 Ne4 7.d3 Nd6 (7...Nf6 8.Be2–/+) 8.a4 (8.Be2 Re8–/+) 8...a6 9.d4 b5 (9...Re8 10.Bd3–/+) 10.a5? (10.ab5!? Bb7 11.ba6=) 10...g6 (10...Re8 11.Be2–+) 11.Ne5 (11.Be2 Nb7–/+) 11...h5 (11...Bb7 12.Qb3–/+) 12.d5 (better is 12.Qb3+=) 12...f6?? (better is 12...Bf6 13.Nd3 Re8 14.Be2 Qe7–+) 13.Na3?? (better is 13.Ng6 Re8 14.Qh5+–) 13...Re8 (better is 13...fe5 14.Be2 c6–+) 14.Ng6= Bf8 (14...f5 15.Be3 Bg5 16.Qh5+=) 15.Be2 (15.Be3 f5 16.Qh5+/–) 15...c6 (15...Bg7 16.0–0 f5 17.Nb1+=) 16.g3 c5 17.Qd3 c4 18.Qf3 Bb7 19.Bh6?? Bh6–+ 20.Rd1 Kg7 21.Nh4 Re5 22.h3 Qe8 23.Ng2 Qe7 24.Nf4 Ne4 25.Rd4 Nc3! 26.Rf1 Nc6! 27.Rd2 Re8 28.h4 Nd4! 29.Rd4 Ne2 30.Kd1–+ Nd4 31.g4 Nf3 32.gh5 Re1 33.Kc2 Rf1 34.Kc3 Rf2 35.Nh3 Rf1 36.Nc2 Bd2 37.Kb2 Qe5 38.Ka2 Bd5 39.Nb4 Bb4 40.h6 Kh6 41.h5 Qe2# (41...c3#) 0–1. Koltermann,Marc (2000) – Weber,Steffi (1840), remoteschach.de, 2004. (=1.e4 e5 2.b4 Bb4 3.c3 Be7)

4.Nf3 Nf6 5.Ne5 Ne4 6.Qg4 Ng5 7.h4 Ne6 8.Bc4 d6–+ 9.Nf3 d5 10.Be2 Nc6 11.0–0? Ned4! 12.Qg7 Ne2 13.Kh1 Bf6 14.Qh6 d4 15.Ba3 Bg4 16.Nd4 Ncd4 17.cd4 Bg7! 18.Qg7 Qh4# 0–1. hansson – marekt, ChessWorld.net, 2004.

4.f4 ef4 5.Nf3 d6 6.d4 Nf6 7.Bc4? 0–0 8.Bf4 Ne4–+ 9.0–0 Nd7 10.Qc2 Nef6 11.Nbd2 Nb6 12.Bb3 c6 13.Rae1 Re8 14.Ng5=+ Nbd5 15.Bd5 cd5–/+ 16.Bg3 h6 17.Ngf3 Bd7–+ 18.h3 Qc7 19.Rc1 Rac8 20.Nb1 b5 21.a3 Ne4 22.Nbd2 Ng3 23.Rfe1 Ne4 24.Ne4 de4 25.Qe4 Bf6 26.Qd3 Re1 27.Ne1 Qb6 (28.Nf3 Qa6–+; 27...Qc4!? 28.Qc4 Rc4 29.Nf3–+) 0–1. hansson – gobo, ChessWorld.net, 2005.

4.g3 d5–+ 5.Nf3 de4 6.Ne5 Qd5 7.Qh5 g6 8.Nd7 Qh5 (9.Be2 Qd5 10.Nb8 Rb8–+) 0–1. blacksteelpipe – Caissa, Live Game Caissa's Web, 2005.

4.g3 d5–+ 5.Bg2 de4 6.Be4 Nf6 7.Bg2 0–0 8.Nh3 Qd3 9.Qe2 Qe2 10.Ke2 Bg4 11.f3 Bf5 12.Re1 Nc6 13.Kf2? Bc5 14.d4?! ed4 15.a4 Rfe8 16.Rd1 (16…dc3 17.Kf1–+; 16.Re8 Re8 17.g4 dc3 18.Kg3–+). crazy 8 – Kuroro Lucifer, ChessWorld.net, 2005.

4.g3 Nf6 5.Bg2 c6 6.d4–/+ d6 7.de5 de5 8.Qd8 Bd8 9.Ba3 Be7 10.Be7 Ke7 11.Nd2 Rd8 12.Ngf3 Nbd7 13.Rd1 b6 14.Nc4=+ Nc5 15.Rd8= Kd8 16.Nfe5 Nce4 17.Nc6 Kc7 18.Nd4 Bb7 19.Nb5= Kd8 20.0–0 Rc8?? 21.Rd1+= Ke7 22.Ncd6 Nd6 23.Nd6 Bg2?? 24.Nc8 Ke6 25.Kg2 1–0. guest – TonyPA, internet, 2007.

4.g4 d5–+ 5.g5 de4 6.Qh5 Qd5 7.g6 fg6 8.c4 Qd4 9.Nc3 gh5 10.Nge2 Qc4 11.Ne4 Qe4 12.Bg2 Qg2 13.Ng1 Qh1 14.Bb2 Qg1 15.Ke2–+ Bg4 16.Ke3 Qh2 17.Rh1 Qh1 18.Kd3 Qf3 (19.Kc2 Bf5 20.d3 Qd3 21.Kc1 Qc2#) 0–1. brkhakan – Caissa, Live Game Caissa's Web, 2005.

4.Qg4 d5 5.Qg7 Bf6 6.Qg3 de4 7.d3 –/+.

4.Qg4 g6 5.f4 Nf6 6.Qf3 ef4 7.Bc4 0–0 8.d4 Nh5 9.Bf4 Nf4–/+ 10.Qf4 Bg5 11.Qf3 Qe7 12.Ne2 Nc6 13.0–0 d6 14.a4 Na5 15.Ba2 Bd7 16.Bd5 c6 17.Ba2 Rae8 18.Na3? Qe4–+ 19.Ng3 Qf3 20.gf3 Bh3 21.Rfd1 d5 22.c4 Re3 23.Nc2 Rc3 24.cd5 Rc2 25.dc6 Be3 (26.Kh1 Bg2#) 0–1. Roever – Diener,Rudolf, corr SOK–91–74, 1991.

4.Nh3 Nf6 5.d3 d5 6.ed5 Qd5 7.Qa4 c6 8.c4?? (better is 8.Ng5–+) 8...Qd4 9.Qc2 Qa1 10.Qb2 Qb2 11.Bb2 Bd6 12.Bc3 Bh3 13.gh3 Nbd7 14.Rg1 0–0 15.Be2 a5 16.Na3 (16.a3–+) 16...Ba3 17.Bg4 Bb4 18.Bb4 (18.Kd2 Rfd8 19.Kc2 Bc3 20.Kc3 Nc5–+) 18...ab4 19.f3 Ra2 20.h4 Ng4 21.fg4 h5 (21...Rfa8 22.Kd1 Rh2 23.Rg2 Rg2 24.d4 Ra1) 22.c5 b6 (22...b6 23.cb6 b3–+; 22...Rfa8 23.gh5 Rb2 24.Rg7 Kg7 25.h6 Kh6 26.h5 Ra1) 0–1. Beck,Daniel – Urban,Milos, ZN–2010–0–01005, 2010. (=1.e4 e5 2.b4 Bb4 3.c3 Be7)

4.Qh5 Nc6 5.Bc4 g6 –/+.

4.Qh5 Nf6.

4.Bc4 Nf6

5.d3 0–0 6.g4 d5–+ 7.ed5 Nd5 8.Qf3 Be6 9.Nh3 h6 10.g5 Bg5 11.Ng5 hg5 12.Rg1 f6 13.h3 c6–+ 14.h4 b5 15.Bb3 Nf4 16.hg5? fg5?? 17.Bf4–/+ Bb3 18.ab3 ef4 19.Na3 Qe7 20.Kd2 Na6?? 21.Qc6+/– b4 22.Qa6 ba3 23.Rge1 Rf6 24.Qa3 Qa3 25.Ra3 g4 26.Re7 a6 27.d4 Kh7 28.Kd3 g3 29.Ke2?? g2 30.Ra1 f3 31.Ke3 Kh6 32.Re4 g5 33.Rg4 Re8–/+ 34.Kd3 Kh5 35.Rg3 g4 36.Ra5 Kh4 37.Ra1 Rfe6 38.d5 Re3!! 39.Kd4 Re2 40.Ra6 Rf2 (41.Rg4 Kg4 42.Rg6 Kf5–+) 0–1. monas – The Enchanter, ChessWorld.net, 2005.

5.d3 Nc6 6.Qb3 0–0 7.Nf3 Na5 8.Qb5 Nc4 9.Qc4 d6 10.0–0 Be6 11.Qb4 b6 12.Ng5 Bd7 13.d4 ed4 14.Qd4–/+ h6 15.Nf3 Re8 16.e5 de5–+ 17.Qe5 Bd6 18.Qd4 Bc6 19.Nbd2 Bc5 20.Qd8 Rad8 21.Nc4 Bb5 22.Nfd2 Ne4 23.Re1 Nc3 24.Re8 Re8 25.g3 Ne2 26.Kg2 Nc1 27.Rc1 Re2 28.Nf3 Rf2 29.Kh3 Bd7 30.Kh4 Be7 (31.Kh5 Bg5 32.Nce5 g6 33.Ng6 fg6 34.Kg6 Bc1 35.Kf6 Rf3 36.Ke5 Bb2 37.Kd5 Ra3 38.Ke4 a6 39.Kf4 Bc1 40.Ke5 Ra2 41.h4 Rg2 42.g4 Bb2 43.Ke4 Rg4 44.Ke3 Rh4 45.Kd2 c5 46.Ke3 b5 47.Kd2 c4 48.Ke2 b4 49.Kf2 Bd4 50.Kg3 Rg4 51.Kf3 Kf7 52.Ke2 Rg2 53.Kf3 Bc6 54.Kf4 a5 55.Kf5 a4 56.Kf4 a3 57.Kf5 a2 58.Kf4 a1Q 59.Kf5 Qf1) 0–1. Barry49434 – touchdown, ChessWorld.net, 2005.

5.d4 Nc6 6.d5 Na5 7.Bd3 c6 8.dc6 bc6 9.Nf3 Qc7 10.0–0 d5 11.ed5? (11.Qe2 de4 12.Be4 Ne4 13.Qe4 f6–/+) 11...cd5?? (better is 11...e4!? 12.Be4 Ne4–+) 12.Re1 (12.Ne5!? Qe5 13.Qa4 Bd7 14.Qa5+=) 12...e4–/+ 13.Bb5 Bd7 14.Nd4 Ng4?? (14...Bb5 15.Nb5 Qd7 16.Qa4–/+) 15.g3?? (better is 15.Qg4! g6 16.Bf4+–) 15...0–0 16.Bf4 Qb7 17.Be2 Qb2 18.Nc2 Nf6 19.Be5?? Ba4 20.Bf6 Bf6 21.Qd5 Bc2 22.Nd2 e3 23.fe3 Qc3 24.Bf3 Rad8 25.Qh5 Qd2 26.Re2 Qc3 27.Rc1 Rd1 28.Rd1 Bd1 29.Rf2 Bf3 30.Rf3 Qe1 31.Kg2 Qe2 32.Kh3 Qa2 33.Qg4 Qe6 34.Rf5 Qc4 35.e4 Bc3 0–1. Sundfar – Gryphon, playchess.de, 2003. (=1.e4 e5 2.b4 Bb4 3.c3 Be7 4.Bc4 Nf6)

5.d4 d6 6.Qa4 Bd7 7.Bb5 0–0–+ 8.c4?? Bb5 9.cb5 Nbd7 10.Na3 ed4 11.Qd4 Re8 12.Nc4 d5! 13.ed5 Bc5 14.Qe3 Be3 15.fe3 Nd5 16.Nf3 N7b6 17.Na5 Qe7 18.Nd4 Ne3 19.Nb7 Nc2 20.Kd1 Nd4 21.Re1 Qe1# 0–1. Roseeis – babo, internet, 2006.

5.d4 d6 6.de5 de5 7.Qd8 Bd8 8.Nf3 Ne4 9.Ne5 –/+.

5.Qf3 0–0 6.Be2 d6 7.h3 b6 8.d3 d5–+ 9.Qg3 Nc6 10.Bh6–/+ Ne8 11.Nf3 Bf6 12.Nbd2 Kh8 13.Bg5 Bg5 14.Ng5 h6 15.Ngf3 d4 16.Ne5 Ne5 17.Qe5= c5 18.c4 a5 19.Nf3 Ra7 20.Qg3 Re7 21.Ne5 Qc7 22.f4 Qd6 23.Bh5 Be6 24.f5?? Bd7?? 25.f6?? Qf6 26.Nd7=+ Rd7 27.Rf1 Qe7 28.0–0–0 Nf6 29.Bf3=+ Re8 30.Rde1 Qe5 31.Qh4 Kh7 32.g4 Qf4 33.Kd1 g5 34.Qf2=+ Rde7 35.Qg2 Rb8?? 36.Re2?? b5 37.Rfe1?? bc4–+ 38.e5 Rb1 39.Kc2 Re1 40.Be4 Ne4 41.Re1 cd3 42.Kd3 Nf2 43.Kc4 Qd2 44.Qf3 Qc2 45.Kd5 Qa2 46.Kc6 Qa4 47.Kc5 Rc7 48.Kd6 Rd7 49.Kc5 Qb4 50.Kc6 Qb7 (51.Kc5 Rc7 52.Kd4 Qb6 53.Kd5 Qc5#) 0–1. bane – Caligula, mySchach.de, 2005.

5.Qf3 a6 6.g4? d6?? 7.g5+= Bg4 8.Qd3?? Nfd7 9.f3 Bh5 10.f4 ef4 11.Qd5 c6 12.Qd4 0–0 13.Ba3 b5 14.Bb3 c5 15.Qd5 Nb6 16.Qf5 c4 17.Bc2 Bg5 18.h4 Bh4 19.Kf1 Bg6 20.Qg4 Bg3 21.Nf3 N8d7 22.e5 Bc2 23.Bd6 Bd3 24.Kg2 Re8 25.Ng5 Ne5 26.Qd1 Qg5 27.Rh5 Be4 28.Qf3 Bf3 29.Kh3 Qh5# 0–1. Roseeis – pauloroberto, internet, 2006.

4.d4 ed4

5.Bc4 Nc6 6.cd4 Bb4 7.Bd2 Bd2 8.Nd2 Nd4 9.Ne2 Nc6–+ 10.Qb3 Qe7 11.Rc1 Ne5 12.f4–/+ Nc4 13.Qc4 Qh4 14.Ng3 Qf4–/+ 15.Rf1 Qe3 16.Ne2 Nf6 17.Rc3 Qb6?? 18.e5+/– d5 19.Qf4 Bd7 20.ef6+– 0–0–0 21.fg7 Rhg8 22.Qf7 Qd6 23.Re3 Kb8 24.Qe7 Qh6 25.Rg3 (25...c6 26.Rf7+–) 1–0. smoothmovermovesagain – labackna, ChessWorld.net, 2006.

5.cd4 d5 6.Bd3 de4–+ 7.Be4 Nf6 8.Bf3 0–0 9.Ne2 c6 10.0–0 Bd6 11.Nbc3 Re8 12.Ng3 b6 (Better is 12...Be6–/+) 13.Qd3? (Better is 13.Bg5=+) 13...Ba6–+ 14.Qd1 Bf1 15.Kf1 Bg3 16.hg3 Qe7 17.Bf4 Qb4 18.Rc1 a6 19.g4 Re6 20.g5=+ Nfd7 21.d5 Qf4 22.de6 Qc4 23.Be2 Qe6–/+ 24.Bg4 Qe7 25.Ne2 Ne5 26.Bh5 g6 27.Ng3? gh5–+ 28.Qh5 Qb4 29.Qe2 Qf4 30.Nh5 Qc1 31.Qe1 Qg5 32.Ng3 Nbd7 33.Ne4 Qh4 34.f3 Qh1 35.Kf2 Nd3 36.Kg3 Ne1 37.f4 Qg2 38.Kh4 Nf3 39.Kh5 Qg6# 0–1. richburton – Caissa, Live Game Caissa's Web, 2004.

5.cd4 d5 6.e5 c5 7.Ba3 c4 8.Be7 Ne7 9.h3 0–0 10.Nc3 b5 11.Rb1 a6 12.g4 Nbc6 13.Bg2 b4 14.Nce2 Qa5 15.Qd2 Bd7 16.Nf3 Ng6 17.0–0 Rac8 18.Ne1 Nh4 19.Bh1 Rfe8 20.Nf4 c3 21.Qc2 Nd4 22.Qd3 Ne6 23.Nd5 Bb5 24.Qd1 Bf1 25.Kf1 Red8 26.Qb3 Nc5 27.Qb4 Rd5 0–1. EricAwesome – Wall,Bill, playchess.com, 2012.

5.cd4 d5 6.e5 c5 7.dc5 Bc5 (7...Nc6 8.Nf3 Nf6–/+) 8.Qa4? (8.Nf3 Nc6 9.Nc3–/+) 8...Nc6–+ 9.Nf3 Qb6 10.Bd3 Bd7 (worse is 10...Bf2 11.Kf1 Bd4 12.Nd4 Qd4 13.Qd4 Nd4 14.Nc3–/+) 11.0–0 Nb4 12.Qb3 Nd3 13.Qd3 Bb5 14.Qd5?? (14.Qc2 Bf1 15.Kf1 Qb5 16.Kg1–+) 14...Rd8 15.Qe4 Bf1 16.Kf1 (16.Nc3 Bd3 17.Qe1–+) 16...Rd1 17.Ke2 Rc1 18.Nfd2 (18.Qa4 Ke7 19.Qb3 Qc6–+) 18...Qb2 19.Qa4 Kf8 20.Qa7 Qe5 21.Kd3 (21.Kf3 Ba7 22.Ne4 Qf5 23.Kg3 g5 24.f3 Qf4 25.Kh3 Qh4) 21...Qf5 22.Ne4 Qd5 23.Ke2 Qd1# 0–1. Frohleiks,Silke (1910) – Radosztics,Evelin (2260), RSXE–Damen–2, 2004.

5.Qd4 Nf6 6.Qe5 0–0 7.Qg3? (Better is 7.Bd3–+) 7...Ne4 8.Qe3 (8.Qf3 Bc5 9.Be3 Re8–+) 8...Re8 9.Qe4 (9.Qf3–+) 9...Bg5 10.Bg5 Re4 11.Be2 (11.Be3–+) 11...Qg5 (12.Nd2 Qg2–+) 0–1. Phoenix30 – Caissa, Live Game Caissa's Web, 2004.

4.Nf3 Nc6

5.a4 Nf6 6.d3 0–0 7.h4 d5–+ 8.d4 de4 9.Ng5? ed4 10.cd4 Qd4 11.Qd4 Nd4 12.Kd1 Bg4 13.Kd2 Nb3 14.Kc2 Na1 15.Kb2 Rad8 16.Ka1 Rd4 17.Nc3 c6 18.f3 ef3 19.gf3 Bf5 20.f4 Bb4 21.Bb2 Bc3 22.Bc3 Ra4 23.Kb2 Rf4 24.Bh3 Bh3 25.Nh3 Rh4 26.Nf2 Rh1 27.Nh1 Nd5 28.Be5 Re8 29.Bd4 b6 30.Ng3 c5 31.Bf2 a5 32.Kb3 Ne3 33.Ka4 f5 34.Be3 Re3 35.Nf5 Rf3 36.Nd6 Rf4 37.Kb5 Rb4 38.Ka6 a4 39.Nb5 Rb5! 40.Kb5 a3 41.Ka4 a2 (42.Ka3 b5–+) 0–1. JimDog – touchdown, ChessWorld.net, 2005.

5.Bb5 Nf6 6.Bc6 dc6 7.h3 Ne4 8.d3 Nc5 9.0–0 Nd3 10.Be3 0–0 11.Nbd2 1–0. lubomir (1755) – marcosr, net–chess.com, 2005.

5.Bb5 Nf6 6.d3 d6 7.Qa4 Bd7 8.Be3 a6 9.Bc6 bc6 10.Nbd2 h6 11.d4 c5 12.Qb3 0–0 13.Bh6? gh6–+ 14.de5 de5 15.Nc4 Be6 16.Nfe5 Ne4 17.Rd1 Qe8 18.f3 Nd6 19.Nd6 Bd6 20.Qc2 Be5 21.g3 Qe7 22.f4 Bd6 23.0–0 f5 24.g4 Qg7 25.h3 fg4 26.Qg2 Bf4 27.Rfe1 Ba2 28.Qd5 Bd5 29.Rd5 gh3 30.Kh1 Qg2 0–1. MC Q – jimmyjf, ChessWorld.net, 2004.

5.d4N ed4–/+ 6.cd4 d6 7.Bb5 Bd7 8.0–0 a6 9.Bd3 Bg4 10.h3? Bf3–+ 11.Qf3 Nd4 12.Qd1 Nc6 13.Nc3 Nf6 14.Nd5 Nd5 15.ed5 Ne5 16.Bc2 0–0 17.Bb2 c6 18.dc6 bc6 19.Qh5 g6–+ 20.Qe2 Bf6 21.Rab1 Rb8 22.Ba4 Rb6–+ 23.Qc2 Qc7 24.Rbc1?? c5 25.Rb1 Qb7 26.Bc3 Nf3?? 27.gf3+= Bc3 28.Rb6 Qb6 29.Qc3 d5 30.Bd7 d4= 31.Qd2 Qb7 32.Bg4?? f5–+ 33.Bf5? Rf5 34.Re1 Qf3 35.a4 Qh3 36.Qa2 Kg7 37.Re7 Kh6 38.Qd2 Rg5 39.Qg5 Kg5 0–1. jlambe (1995) – jearly (2210), net–chess.com, 2008.

5.Be2 Nf6 6.Ng1? 0–0 7.d3 d6 8.Nh3 Bh3 9.gh3 b5 10.Rg1 a6 11.Be3 d5–+ 12.Nd2 Nd7?? 13.Nf3?? Nf6 14.Ng5?? de4 15.de4 Qe8 16.Rc1? Rd8 17.Qb3 h6 18.Nf7?? Rf7–+ 19.h4 Ne4 20.f3 Nd6 21.Qc2 Bh4 22.Kf1 Qe6 23.c4 bc4 24.Bc4 Nc4 25.Qc4 Qh3 26.Ke2 Qf3 0–1. scmorgan – losertoo (1860), net–chess.com, 2006.

3.Nc3 Bc3

4.dc3 Nf6 5.Bd3 0–0 6.Bb2 d5–+ 7.Qe2 c5 8.c4 d4 9.Ba3?? b6 10.Nf3 Bg4 11.0–0 Nc6 12.h3 Bh5 13.Qd1 h6 14.Bc1 Nb4 15.a3 Nd3 16.Qd3 Bg6–+ 17.Qb3? Be4 18.a4 Bf3 19.Qf3 a6 20.Qg3 Kh7 21.Qh4 Qd7 22.Bh6 gh6 23.Qf6 Qe6 24.Qf3? Qc4 25.Qf5–/+ Kg7 26.Qe5=+ Kh7 27.Rac1 Qa4 28.Qf5 Kh8 29.Qf6= Kh7 30.Qb6 Qb5 31.Qf6=+ Rae8 32.c4 Qd7–/+ 33.Qa6 d3 34.Rcd1=+ Qd4 35.g4 Re2 36.Qb7 Qc4 37.Qd7=+ Kg8 38.h4? Re6?? 39.f3 Re3 40.Rd2? Qc3 41.Rg2 Re1 42.Re1?? Qe1 43.Kh2 Qh4 44.Kg1 Qe1 45.Kh2 c4 46.f4 Re8 47.Rg3 Re2 48.Kh3 Qh1 0–1. esko – sonny, net–chess.com, 2001.

4.dc3 Nf6 5.f4 Ne4 6.Qf3 d5 7.fe5 Nd7 8.e6 Ne5 9.ef7 Nf7 10.Bb5 Bd7 11.Bd3 Nc3 12.Bb2? Qe7 13.Kd2 Ng5?? 14.Qh5+/– g6? 15.Bg6= Nf7?? 16.Re1 Ne4?? 17.Re4 de4 18.Bh8?? Qd6–+ 19.Ke3 Qg6 20.Qg6–/+ hg6 21.Bd4 Bf5 22.Ne2 Nd6 23.Rf1 b6 24.Bg7 0–0–0 25.h4 c5 26.Be5? Nc4 27.Kf4 Rd2 28.Re1 Rc2 29.a4 Nb2?? 30.Bb2 Rb2 31.g4 Bd7 32.Nc3 Rb4 33.Re4 Re4 34.Ne4 Ba4 35.h5 gh5 36.g5?? Bb3 37.Nd6 Kb8 38.g6 a5 39.g7 a4 40.Kf5 a3 41.Kg6 Bg8 (42.Nf5 a2–+). IrishBouncer – nimmie, ChessWorld.net, 2005.

3.Bc4 Nf6

4.a3 Ba5 5.Qf3 Nc6 6.c3 d6 7.Nh3 Be6 8.Be6–/+ fe6 9.Ng5 Qe7 10.0–0 0–0 11.Qh3 Rae8 12.f4?? ef4 13.Rf4 h6 14.Nf3 e5 15.Rh4 Qf7 16.d3 Qb3 17.Ne1 Bc3 18.Nc3 Qc3 19.Kf1 Ne4 20.Nf3 Qd3 21.Ke1 Nc3 22.Bh6 Qe2 0–1. Seimi Agus Eion – IsickboyI, ChessWorld.net, 2005.

4.Bb2 0–0 5.Qf3 d6 6.h3 c6–+ 7.Bd3 Bc5 8.Nc3 b5 9.Nge2 Be6 10.a4 b4 11.Nd1 Nbd7 12.Ne3 Rb8 13.g4 d5 14.Ng3 Bd4 15.Bd4 ed4 16.Nef5 Re8 17.0–0 Ne5 18.Qg2 de4 19.Ne4 b3 20.f4 Nd3 21.cd3 b2 22.Rab1 Ne4 23.de4 Bc4 24.Rfe1 Bd3 25.e5 Qa5 26.Nd6 Red8 27.Qc6 Bb1 28.Rb1 Qd2 29.Qc7 Qf4 30.Rb2 Qg3 31.Kf1 Qf3 32.Kg1 Qd1 (33.Kf2 Rb2 34.Qc2 Qc2 35.Kf3 g5 36.e6 Rb3#) 0–1. TheSimple – marekt, internet, 2005.

4.c3 Ba5 5.Qb3 0–0 6.d3 c6 7.Ba3 d5 8.ed5 cd5–+ 9.Bb5 a6 10.Ba4 b5 11.Bb5 ab5 12.Bf8 Qf8 13.Qb5 Bd7 14.Qb2 Qc5 15.Ne2 e4 16.d4 Qd6 17.Qb4?? Bb4 (18.cb4 Qb4 19.Nbc3 Nc6–+) 0–1. Sablatura,Milan – Gander,R, corr ICCF WC VI–VII, 1985.

4.c3 Ba5 5.Bd3 d5–+ 6.ed5 (6.Nf3 0–0 7.Qe2 Re8–+) 6...Qd5 (< 6...Nd5 7.Nf3–/+) 7.Bf1 0–0 8.Ne2 (8.Qf3 e4 9.Qg3 Nc6–+) 8...Bb6 9.Ng3 (9.Qb3 Qc6 10.Ba3 Be6–+) 9...Ng4 10.d4 ed4 11.c4 (11.Be2 Qg2 12.Bg4 Re8 13.Be2–+) 11...Re8 12.Ne2 Qf5 13.f3 d3 14.fg4 (14.Qb3 Bf2 15.Kd1–+) 14...Qf2 (15.Kd2 Ba5 16.Nbc3 Rd8 17.Qa4 de2 18.Kc2 e1Q 19.Kb1 Qc3 20.a3 Qb6 21.Qb5 Qb3 22.Qb3 Qb3 23.Bb2 Rd1#) 0–1. chessH – marekt, ChessWorld.net, 2002.

4.c3 Ba5 5.Qe2 0–0 6.Nf3 d5 7.Bd5 Nd5 8.ed5 e4 –+.

4.c3 Bc5 5.Nf3 Ng4?? 6.d4= ed4 7.cd4 Bb4 8.Bd2 a5 9.Qa4 Nc6 10.Bb4 Nb4 11.Ne5? Ne5–/+ 12.de5 0–0 13.0–0 c6 14.Rd1?? b5–+ 15.Bb5 cb5 16.Qb5 Nc2 17.e6 fe6 18.Nd2 Na1 19.Ra1 Qf6 20.Rf1 Ba6 21.e5 Qf5 22.Qb1 Bf1 23.Qf1 Rac8 24.a4 Rc2 25.Nf3 d5! 26.h3 Qf4 27.Qd1 Rfc8 28.g3 Qf7 29.Kg2 h5 30.h4 R8c3 31.Nd2 g5! 32.f3 g4 33.f4 Qf5 34.Kf2 Qd3 35.Ke1 Qe3 36.Qe2 Rc1 0–1. Goof – IrishBouncer, ChessWorld.net, 2005.

4.Ne2 Ne4 5.f3 Nf6 6.Ng3 d5 7.Bb5 c6 8.Bd3 0–0. muarrif – gonso (2470), net–chess.com, 2002.

4.Qf3 0–0 5.c3 Be7 6.d4 d6 7.Bg5 ed4–+ 8.cd4 Ne4! 9.Be7 Qe7 10.Ne2 Re8 11.Nbc3 Nc3 12.Qc3 d5 13.Bd3 Bf5 14.0–0? Bd3 15.Qd3 Qe2 16.Qe2 Re2 (17.Rfe1 Re1 18.Re1 Nc6–+) 0–1. monas – color1972, ChessWorld.net, 2005.

4.Qf3 0–0 5.Nh3 d6 6.Ng5 h6 7.Nh3?? Bh3 8.Qh3 Ne4 9.c3 Bc5 10.0–0 Qf6 (11.Qh5 Bf2 (11...Nf2?! 12.d4 ed4 13.Rf2–/+) 12.Kh1 Qh4 13.Qh4 Bh4–+) 0–1. Alex Raistrick – Istvanny, internet, 2007.

3.Nf3 Nc6

4.a3 Be7 5.Bc4 Nf6 6.d3 d5 7.ed5 Nd5 8.h3 Nf4 9.Bf4 ef4 10.Nbd2 0–0 11.0–0 Qd6 12.Ne4 Qg6 13.Kh2 Be6 14.Be6 fe6 15.c3 Bf6 16.Nf6 Qf6 17.d4 Rae8 18.a4 e5 19.de5 Ne5 20.Ne5 Qe5 21.Qb3 Kh8 22.f3 b6–/+ 23.Rae1 Qg5 24.Re8–/+ Re8 25.c4? Re2 26.Rg1 Qh5 27.Qd3–/+ Re3 28.Qd8= Re8 29.Qc7 Qa5 30.Qd7 Rg8 31.Re1?? Qe1–+ (32.a5 Qa5–+) 0–1. kingsknight59 – METSAR, ChessWorld.net, 2005.

4.Bb2 Nf6 5.Ne5=+ Ne5 6.Be5 0–0 7.Bd3 Re8 8.Bf6 Qf6 9.c3 d5 10.0–0 de4–+ 11.Qa4 Bh3?? 12.Bb5?? Bg2 13.Be8 Bf3 14.Bf7 Kh8 15.Qb5 Qf4 16.Rc1 Bc5!! 17.Kf1 Qh2 18.Ke1 Bf2 (19.Kf1 Qg2#; 18...Qf2#) 0–1. jlepok (1670) – griffimv (1860), internet, 2006.

4.Bb5 Nf6 5.c3 Ba5 6.0–0 a6 7.Bc6= dc6 8.Ne5 0–0 9.d3 Re8 10.Nf3 Bg4 11.h3 Bf3 12.Qf3 Qe7 13.Bb2 Rad8= 14.d4?? Ne4 15.Re1 Ng5 16.Re7? Re7 17.Nd2 Nf3–+ 18.Nf3 Re2 19.Rb1 c5 20.a3 cd4 21.cd4 Bb6 22.Kf1 Rde8 23.Bc3 Rc2 0–1. Neffgen,Dieter – Pieleck,Rudi, RSX9E – A00 – Sokolsky–1, 2002.

4.Bc4 a6 5.Bb2 d6 6.0–0 b5 7.Bd5 Bb7 (better is 7...Nge7 8.d4 f6+=) 8.Bf7?? (better is 8.c3 Ba5 9.Qb3+=) 8...Kf7–+ 9.c4 Nd4 (better is 9...bc4!? 10.Qe2 Qe7 11.Qc4 Kg6 12.Nc3 Bc3 13.Bc3–+) 10.Bd4 ed4 11.Nd4? (better is 11.cb5 Bc5 12.Re1–+) 11...Qf6 12.Re1 (12.Qh5 Kf8 13.Qf5 bc4 14.a3 Qf5 15.ef5–+) 12...Qd4 13.Rf1 (13.Nc3 Bc3 14.dc3 Qc4–+) 13...Nf6 (better is 13...Qa1!? 14.Qb3 Qd4 15.Qb4 Qe4 16.f3 Qd4 17.Kh1–+) 14.Nc3 (14.cb5 Qe4 15.Qb3 Bd5–+) 14...Bc3 15.Qf3 (15.dc3 Qe4 16.f3 Qc4 17.Qd2–+) 15...Ba1 16.Re1 Be4 17.Re4 Qe4 18.Qe4 Ne4 19.f3 Nd2 20.Kf2 Rhe8 21.g4 Bd4 22.Kg3 Nc4 23.f4 Bf6 24.f5 Re3 25.Kf4 Re5 26.g5 Be7 27.g6 hg6 28.fg6 Kg6 29.Kg4 Rf8 30.Kh3 Rg5 31.Kh4 Rh8 0–1. interloper – 488, chessworld.net, 2012.

4.Bc4 Nf6 5.a3 Bc5 6.Nc3 –/+.

4.Bc4 Nf6 5.Bf7?? Kf7–+ 6.Ng5 Ke8 7.c3 Be7 8.Qb3 d5 9.ed5 Qd5 10.0–0 Qb3 11.ab3 Nd5 12.c4 Bg5 13.cd5 Nd4 14.Bb2 Nb3 15.Ra3 Nd4 16.Bd4 ed4 17.Re1 Kf7 18.Rf3 Bf6 19.h3 Rd8 20.Re5 Kg8 21.Re4 Rd5 22.d3 Bd7 23.Nd2 Bc6 24.Re6 Rg5 25.Ne4 Be4 26.de4 Re5 27.Re5 Be5 28.Kf1 Rd8 29.Rf5 d3 30.Ke1 d2 31.Kd1 Bc3 0–1. lilgia – Istvanny (1640), internet, 2007.

4.Bc4 Nf6 5.Ng5 d5 (5...0–0!?–/+) 6.ed5 Nd5 7.Qf3 (7.Qh5 Rf8 8.Bb5–/+) 7...Qg5–+ 8.Nc3?? (8.Bd5 Nd4 9.Qf7 Kd8 10.h4 Nc2 11.Kd1–+) 8...Nd4 (better is 8...Nf4!? 9.Nd5 Nd4 10.Qe4 Qg2 11.Qg2 Ng2 12.Kf1–+) 9.Qd5 Nc2 10.Kd1 Na1 11.Qf7 Kd8 12.d3 (12.Qd5 Bd7 13.Qb7–+) 12...Qg2 13.Re1 (13.Qd5 Qd5 14.Bg5 (14.Nd5?? Bg4 15.f3 Bf3) 14...Kd7 15.Nd5–+ (15.Bd5?? Bc3 16.Bd2 Bd4–+)) 13...Bc3 14.Ba3 (14.Bd2 Bd4–+) 14...Be1 (14...Bg4 15.Kc1 Be1 16.Be7 Kc8 17.Qg7 Bd2 18.Kb2 Qf1 19.Qg4 Kb8 20.Qg1 Qg1 21.a4 Qc1 22.Ka2 Bc3 23.Ba3 Qd2 24.Kb1 Qc2) 15.Qe7# 1–0. Kretschmer,Heiko (2000) – Beutenmueller,Carsten (2000), remoteschach.de, 2003. (=1.e4 e5 2.b4 Bb4 3.Nf3 Nc6)

4.Bd3 Nf6 5.0–0 d5 6.ed5 Nd5 (6...Qd5 7.a3 Ba5 8.Bb2–/+) 7.c3 Ba5 8.Be4 (better is 8.Bb5 Bg4 9.Re1+=) 8...Bg4?? (better is 8...f5 9.Bd5 Qd5–/+) 9.Na3?? (better is 9.Qb3!? Bf3 10.Bf3+=) 9...0–0 (better is 9...f5!? 10.Bd5 Qd5–+) 10.h3 Bh5 11.Nc4? (11.Qb3 Bf3 12.Bf3 Nb6+=) 11...b5 (better is 11...f5!? 12.Bd5 Qd5–+) 12.Na5 (12.Ne3!? Nce7 13.Ba3=) 12...Na5–/+ 13.g4 Bg6 14.d4?? (better is 14.Bg6 fg6 15.Ne5–/+) 14...Be4–+ 15.Ne5 Nc3 16.Qd2 b4 17.Bb2 c5! 18.Bc3 bc3 19.Qc3 Qd4 20.Qd4 cd4 21.g5 Rfe8 22.Nd7 Bf5 23.Nc5 Bh3 24.Rfd1 Re5 25.Nd3 Rg5 26.Kh2 Bf5 27.Nf4 Nc6 28.Rac1 Nb4 29.Rd4 Na2 30.Rc5 g6 31.Rdc4 a5 32.Rc8 Kg7 33.Ra8+= Rg4 34.Ra5 h5 35.Ra2 Be6?? 36.Ne6+– fe6 37.Rc7 Kh6 38.Kh3 e5 39.Re2 e4 40.Re7 g5 41.R7e4 Rg1 42.Kh2 Rd1 43.Re6 Kg7 44.Re7 Kf6 45.Kg2 h4 46.R7e4 Rd3 47.R4e3 Rd5 48.Rf3 Kg6 49.Re4 Kh5 50.Kh3 Rd6 51.Rf5 Re6 52.Rg4 Rf6 53.Rfg5 Kh6 54.Kh4 Rf2 55.Rh5 1–0. Leroy43 – Flywheel, playchess.de, 2001. (=1.e4 e5 2.b4 Bb4 3.Nf3 Nc6)

4.Bd3 Nf6–/+ 5.a3 Bc5 6.0–0 d6 7.Nc3 0–0 8.Na4 Bb6 9.Ng5 Bg4 10.Be2 Be2 11.Qe2 Nd4 12.Qc4 h6 13.d3? hg5 14.Bg5 Ne6 15.Bf6 Qf6 16.Qc3 Bd4 17.Qd2 Ba1 18.Ra1 Nf4 19.g3 Nh3 20.Kg2 Ng5 21.Kf1 Nf3 22.Qe3 Nh2 23.Ke2 Ng4 24.Qf3 Qf3 25.Kf3 Nf6 26.Rh1 c6 27.g4 Nd7 28.g5 f5 29.g6 fe4 30.Ke4 Rf2 31.Rc1 Raf8 32.Nc3 R8f4 33.Ke3 R4f3 34.Ke4 Nf6 0–1. Doobi – touchdown, ChessWorld.net, 2005.

3.Nf3 d5

4.Nc3 de4 5.Ne4 f5 6.Ng3 e4 7.Bb5? (better is 7.Qe2–/+) 7...c6–+ 8.Bc4 b5 (better is 8...ef3 9.Qf3 Ne7 10.c3–+) 9.0–0? (9.Bg8 ef3 10.0–0 Rg8 11.Re1 Kf7 12.Qf3–+) 9...bc4 (9...ef3?! 10.Bg8 Rg8 11.Re1 Kf7 12.Qf3–+) 10.Re1 Nf6 11.Bb2 0–0 12.Qe2 (12.Nd4–+) 12...ef3 13.Qf3 Qd5 14.Qe3 (14.Qe2 f4 15.Nf1 Bc5–+) 14...Bd2 15.Qg5 (15.Qe5 Be1 16.Re1 Qe5 17.Be5–+) 15...Bg5 16.Rad1 Qa5 17.Bd4 c5 18.Re5 Rd8 (18...Rd8 19.Rc5 Qc5 20.Bc5 Rd1 21.Nf1 c3–+) 0–1. Scragg,Christopher – Jenkins,Richard (1840), S–Open–pr71, 2012.

4.ed5 Qd5 5.Ne5?? Qe5–+ 6.Be2 Qa1 7.Bb5 c6 8.Bc6 Nc6 9.Nc3 Bc3 10.dc3 Qc3 11.Kf1 Be6 12.Rg1 Bc4 13.Qe2 Be2 14.Ke2 Nd4 15.Kd1 Qc2 16.Ke1 Qc1# 0–1. daniel10 – Caissa, Live Game Caissa's Web, 2004.

3.Nf3 d6

4.a3 Ba5 5.Bb2 Nf6 6.Bc3 Bc3 7.Nc3–/+ 0–0 8.g3 Nc6 9.Bh3?? Bh3 10.Ng1 Bg2 11.Nf3 Bh1 12.Qe2 Bf3 13.Qf3 Nd4 14.Rb1 Nf3 15.Ke2 Nd4 16.Ke1 Nc2 17.Kf1 Na3 18.Ra1 Nc4 19.Nb5 Nd2 (20.Ke2 Nde4–+) 0–1. buckfast – tomy (2085), net–chess.com, 2001.

4.Bb5 c6–/+ 5.Ba4 Bg4 6.0–0 Nf6 7.d3 0–0 8.a3 Bc5 9.c4 Bd4 10.Ra2 Nbd7 11.Qd2 (11.h3 Bf3 12.Qf3 Nc5–/+) 11...Nc5 (better is 11...Bf3 12.gf3 Nc5–+) 12.Nc3?? (better is 12.Nd4 Na4 13.Nb3–/+) 12...Bf3–+ 13.gf3 Bc3 14.Qc3 Na4 15.Qb4 Nc5 16.d4 (16.Be3 Nfd7–+) 16...ed4 17.Re1 (17.Bb2 d3–+) 17...Nd3 18.Qd2 Ne1 19.Qe1 Nd7 20.Bf4 (20.Qd1 Qf6–+) 20...Qf6 21.Qd2 Ne5 22.Rb2 (22.Be5 de5 23.Qd3–+) 22...Nf3 23.Kf1 Nd2 24.Rd2 Qf4 25.c5 Qd2 26.cd6 f5 27.ef5 Rf5 28.d7 Qf2 0–1. Hellbulldog – Peterp, playchess.de, 2004.

4.c3 Ba5 5.Bc4 Nf6–/+ 6.0–0 Bg4 7.Qa4 Nc6 8.Bb5=+ Bb6 9.Bc6 bc6 10.Qc6 Bd7 11.Qc4 0–0 12.Ba3 Re8 13.d4 Be6 14.de5?? Bc4–+ 15.ed6 cd6 16.Nbd2 Bf1 17.Kf1 Ne4 18.Ne4 Re4 0–1. oracleinshadows (1725) – losertoo (1860), net–chess.com, 2006.

4.c3 Bc5 5.d4 ed4 6.cd4 Bb4 7.Bd2 Bd2 8.Nbd2 Bg4 9.Bd3 Nf6 10.0–0 Nc6 11.e5 de5–/+ 12.Bb5 ed4 13.Qa4 Bd7 14.Bc6 Bc6–+ 15.Qb4 Qd6 16.Rfe1 Kd8 17.Qc4 Bd5 18.Qd4 Bf3 19.Nf3 Qd4 20.Nd4 g6 21.Rad1–/+ Kc8 22.Re7=+ Rf8 23.Nb5+/– Ne8 24.Rde1 Nf6?? 25.Nc3 a6–/+ 26.Ne4 Ne4 27.R1e4–/+ b5 28.Re8 Re8–+ 29.Re8 Kb7 30.Re7 Rf8 31.f4 Kb6 32.Kf2 c5 33.Ke3 Ka5 34.g4 Kb4 35.Kf3 h6 36.h4 a5 37.Re3 c4 38.a3 Ka4 39.Ke2 Rd8 40.Rc3 Rd3 41.Rd3 cd3 (42.Kd3 Ka3–+) 0–1. dugmak – mickster the king, ChessWorld.net, 2005.

4.Bd3 Nf6 5.h3 0–0 6.Bb2 c5 7.a3 Ba5 8.Nc3 Nc6 9.0–0 a6 10.Nd5 Nd5 11.ed5–/+ Ne7 12.Be4? Bf5 13.d3 b5 14.Bf5 Nf5 15.c3 Bb6 16.Qb3 Qd7 17.c4 Rfe8 18.a4 b4 19.a5 Bc7–+ 20.Rae1 Ba5 21.g4 Nh6 22.Re4 f5 23.gf5 Qf5 24.Re3 Qh5 25.Kg2 Nf5 26.Re4 Bd8 27.Bc1 Rf8 28.Qd1 a5 29.Nh2 Qd1 30.Rd1 a4 31.Rg4 a3 32.Bg5 a2 33.Bd8 Rfd8 34.Nf3 a1Q 35.Ra1 Ra1 36.Nh4 Nh4 37.Rh4 b3 38.Kf3 b2 (39.Ke4 b1Q 40.Ke3 Rf8 41.f4 Qg1 42.Kf3 Rf1 43.Ke4 Qd4#) 0–1. tuaku – DrSub (1610), internet, 2007.

4.Be2 Nf6 5.c3 Ba5 6.d3 0–0 7.0–0 Nc6 8.Bb2 Bg4 9.Nbd2 b5 10.a3 a6 11.Nb3 Bb6 12.Nfd2 Be2 13.Qe2 Ne7 14.d4 Ng6 15.Nf3 Nf4 16.Qc2 Qd7 17.de5? Qg4–+ 18.g3 Qf3 19.gf4 Ng4 20.Nd4 Bd4 21.cd4 Qh3 22.f3 Ne3 23.Qf2 Nf1 24.Rf1 de5 25.de5 Rfe8 26.f5 Rad8 27.Bd4 Rd7 28.Qb2 Red8 29.e6 fe6 30.fe6 Qe6 31.Rd1 c5! 0–1. patman007 – grimstad, ChessWorld.net, 2005.

4.Be2 Nf6 5.Nc3? Bc3–+ 6.dc3 Ne4 7.0–0 Nc3 8.Qd3 Ne2 9.Qe2 Bg4 10.Qe4 Bf3 11.Qf3 Nc6 12.Qg4 0–0 13.a4 f5 14.Qg3 Nd4 15.Qd3 Qf6 16.Qc4 Ne6 17.Bb2 Qf7 18.Ra3 Nc5 19.Qe2 Rae8 20.Bc1 f4 21.Rh3 e4 22.Bd2 Na4 23.Qg4 Re6 24.Bf4 Nc5 (24...Qf4 25.Qe6) 0–1. Fischer,Detlev – Hoffmann,H, BdF, 1980.

3.Nf3 Qe7

4.Bb2 d6 5.Bc4 Nf6 6.c3 Bc5 7.0–0 Ne4 8.d4 Bb6 9.Re1 Ng5 10.de5 (10.Ng5 Qg5 11.de5 de5–+) 10...Nf3 11.Qf3 Nc6 (11...de5 12.Qg3 f6 13.Rd1–/+) 12.Bb5 Bd7 13.c4 0–0–0 14.Nd2 (14.Bc6 Bc6 (14...bc6?! 15.Nd2=) 15.Qg4 Qd7 16.Qd7 Rd7 (16...Bd7?! 17.ed6 f6 18.Re7=+) 17.ed6 Rd6–+) 14...de5–+ 15.Qe2 f6 16.a4 a6 17.Bc6 Bc6 18.Bc3 Qf7 19.Qg4 Qd7 20.Qd1 Qd3 21.Bb4 a5 22.Ra3 Qd4 23.c5 ab4 0–1. chessH (1670) – marekt (2445), ChessWorld.net, 2003.

4.c3 Bd6 5.d4 f6 6.Bc4 ed4=+ 7.0–0 Qe4?? 8.Re1+– Qe1 9.Qe1 Ne7 10.Ba3 c5 11.cd4 b6 12.Nc3 Na6 13.Qe2 Nc7 14.dc5 bc5 15.Rd1 Bh2 16.Nh2 Ne6 17.Be6 de6 18.Qh5 Ng6 19.Qc5 Kf7 20.Qc7 Ne7 21.Qe7 Kg6 22.Nf3 a5 23.Ne4 Kf5 24.Qg7 (24…Rd8 25.Qf6 Ke4 26.Qe5; 24.Nd6 Kg6 25.Qf7 Kh6 26.Bc1 g5 27.Qf6 Kh5 28.Qg5) 1–0. smoothmovermovesagain – dhub noire, ChessWorld.net, 2006.

3.Nf3 Qf6

4.Bb2 d6 5.Bb5 c6–/+ 6.Ba4 Bg4 7.c3 Bc5 8.d4 ed4 9.cd4 Bb4 10.Bc3 Bc3 11.Nc3 b5 12.Bc2 Nh6 13.d5?? Qc3–+ 14.Ke2 c5 15.Re1 0–0 16.Kf1 Re8 17.Re3 Qc4 18.Bd3 Qa4 19.Re2 Bf3 20.gf3 Re5 21.f4 Rh5 22.f3 Qa5 23.Rg2 c4 24.Bc2 Qd8 25.Kf2 Qh4 26.Ke3 Qh3 27.Re2 Ng4 28.Kd2 Nh2 29.Re3 Nd7 30.f5 Nc5 31.Kc1 a5 32.Qd2 b4 33.f4 Qf1 34.Bd1 c3 35.Qd4 Rc8 36.f6 g6 37.a3 Nb3 38.Kc2 Nd4 39.Kc1 Qf2 40.Rd3 Qb2# 0–1. zamsky – iwalt, ChessWorld.net, 2002.

4.h4 Ne7 5.c3 Bc5 6.Qa4 Nbc6 7.Rh3 d5–+ 8.ed5 Nd5 9.Qc4 Bh3 10.Qc5? Be6 11.a4? Nf4 12.g3 Nd5 13.Be2 0–0–0 14.Bb5 Qf3 15.Kf1 Bh3 (16.Ke1 Bg4 17.Bc6 Qe2) 0–1. hsoder – octopus (1825), net–chess.com, 2003.

3.Nf3 Nf6

4.Ba3 Ba3 5.Na3 0–0 6.Nc4 (6.Qe2 d5 7.ed5 e4–+) 6...Nc6 (6...Ne4 7.Nce5 d6 8.Nd3–+) 7.Nce5 (7.Rb1 Ne4 8.Ne3 Nc5–+) 7...Ne5 8.d4?? (better is 8.Ne5 Re8 9.Nf3–+) 8...Nf3 9.gf3 d5 10.ed5 (10.e5 Nh5–+) 10...Nd5 (better is 10...Re8 11.Kd2 Qd5–+) 11.Bc4 (11.c4 Nf4 12.Qd2 Re8 13.Kd1–+) 11...Re8 12.Kf1 (12.Be2 Nc3 13.Qd3 Re2 14.Qe2 Ne2 15.Ke2 Qd4 16.Rad1 Qe5 17.Kd2 Bf5 18.Rb1 Rd8 19.Kc1 Qc3 20.Rb2 Qd2 21.Kb1 Qd1 22.Rd1 Rd1) 12...Bh3 13.Kg1 Qg5# 0–1. Napier,William E – Parry,Andrew, corr WCCF, 1999.

4.c3 Be7 5.Ne5 Ne4 6.d3 –/+.

4.Nc3 0–0 5.Be2 d6 6.0–0 Bc3 7.dc3 Ne4 8.c4 Nc3 9.Qd3 Ne2 10.Qe2 Nc6 11.Bb2 Qf6 12.h3 b6 13.Nd2 Qg6 14.f4 Bh3 15.Qf3 Qc2 16.Qc6 Qb2 17.gh3 Qd2 18.Qc7 Rac8 19.Qa7 Qd4 20.Kh1 Rc4 21.fe5 Qe4 22.Kg1 Qe3 23.Kh1 Qh3 24.Kg1 Qg3 (25.Kh1 Rh4#) 0–1. hansson – hpoli, ChessWorld.net, 2004.

4.Bc4 Ne4 5.c3 Nd6 6.cb4–/+ Nc4 7.d3 Nb6 8.Ne5 0–0 9.0–0–/+ d6 10.Nf3 Re8 11.Bb2 Bf5 12.Nc3 Nc6 13.b5 Ne5 14.d4 Nd3 15.Ba3 Nc4 16.Bc1 Nc1 17.Qc1–/+ d5 18.h3 Qe7?? 19.Re1?? Qd8?? 20.Re8+/– Qe8 21.g4?? Bd3?? 22.Nd5 Rd8 23.Nc7 Qe2 24.Kg2?? Be4–+ 25.Qf4 Bf3 26.Qf3= Ne3?? 27.Kg3 Rd4?? 28.Qe2+– Re4 29.fe3 f6 30.Qf3 Re7 31.Qb7 Re3 32.Kf4 Re2 33.Qa7 Rh2 34.Qb8 Kf7 35.Qe8 1–0. oracleinshadows (1725) – ajeffries (1645), net–chess.com, 2006.

4.Ne5 Ne4 5.f3?? Nc5 6.c3–/+ Ba5 7.d4 Ne6 8.g4 Qh4–+ 9.Kd2 f6 10.Nc4=+ Qf2 11.Kd3 d5 12.Be3?? Qh4 13.Na5+– b6 14.Qa4 Bd7+= 15.Qa3 Bb5 16.Kd2 Bd7?? 17.Nb3+– c5? 18.c4 cd4 19.Bd4?? Qg5 20.Ke2?? Nf4?? 21.Kd1+– dc4 22.Bc4 b5 23.Re1 Kd8 24.h4 Qh4 25.Qe7 Kc7 26.Qg7 Re8 27.Bf6 Qe1–+ 28.Kc2 bc4 29.a4 Re2 30.N3d2 Nd5 31.a5 c3! 32.Bc3 Nc3 33.Qc3 Bc6 34.Qg7 Kd6 35.Qh7 Nd7 36.Qh6 Kc7 37.Ra4 Ba4 38.Kd3 Nc5 39.Kd4 Qg1 40.Kc4 Qc1 41.Kb4 Re4! 42.Ne4 Rb8 43.Qb6–+ ab6 44.Nc5 Bd1 45.Ne6 Kd6 46.Nc3 ba5 47.Ka5 Qa1 48.Na4 Qa4 0–1. figbash – gobruins, net–chess.com, 2002.

4.Ne5 Qe7 5.Nd3 Qe4 6.Qe2 Be7 7.Qe4 Ne4 8.Be2 Nc6 9.Bb2 d5 10.Nf4 Nb4 11.0–0 Bd6 12.Bg7 Rg8 13.Nh5 Rg7 14.Ng7 Kf8 15.d3 Nc5 16.d4 Ne4 17.Nh5 Nc2 18.f3 Ng5 19.Nc3 Na1 20.Bd3 Ne6 21.Nd5 Nb3 22.ab3 Nd4 23.Bh7 (23.Rb1 Be6 24.Nhf4 Bf4 25.Nf4 Bb3–+) 0–1. Sandeman_be – marekt, ChessWorld.net, 2005.

3.f4 Nc6

4.c3 Ba5 5.Nf3 d6 6.Bb5 Bd7 7.fe5 Ne5 8.Bd7 Qd7 9.d4 Nf3 10.Qf3 Ne7 11.0–0 0–0 12.Nd2 b5 13.a4 ba4 14.Nc4 Bb6 15.Qd1 Attacks the isolani on a4 15...d5 16.ed5 Nd5 17.Bd2 c5 18.Qa4 Qa4 19.Ra4 cd4 20.Nb6 Nb6 21.Rd4 h6 22.Rg4 f5 23.Rg3 Rf6 24.Be3 Nc4 25.Rf4 Ne3 26.Re3 Kf7 27.Ra4 Rc6 28.Re5 Kf6 29.Rd5 Rc3 30.Ra6 Kg5 31.Rd7 Rg8 32.Raa7 Rc1 33.Kf2 g6 34.Rac7 Rc7 35.Rc7 h5 36.Rc6 h4 37.g3 h3 38.Rc4 Rh8 39.Rd4 Rh7 40.Rf4 Kf6 41.Rb4 Kg5 ˝–˝. Fournier,Frederic (1910) – Tyverius (2020), Active, 2011.

4.c3 Ba5 5.Nf3 d6 6.fe5 Ne5 7.d4 Nc6 (7...Nf3 8.Qf3 Qh4 9.g3–/+) 8.Bd3 (8.Qa4 Bd7 9.d5 Nb4+=) 8...Bg4 9.0–0 Nge7 10.Qc2 0–0 11.Be3 h6 12.Nbd2 Bb6 13.Rae1 f5 14.Bc4 Kh8 15.h3 Bh5 (15...fe4!? 16.Qe4 Bf5+=) 16.ef5= Nf5 (worse is 16...Rf5 17.g4 Rf3 18.Rf3+/–) 17.Ng5 Qf6 (better is 17...Nce7!? 18.g4 hg5 19.gf5 d5 20.Bg5 Qd6=) 18.Ne6+/– Rf7 19.Qd3 Bg6 (19...Re8!? 20.Ng7 Rg7 21.Rf5 Qh4+=) 20.Ne4+– Qe7 21.Nf4 Bh7 22.Nd5 Qd7 (22...Ne3 A) 23.Re3?! Rf1 24.Qf1 Qd7=; B) 23.Ne3?? B1) 23...Be4?! 24.Rf7 (24.Bf7?? Bd3 25.Nd5 Qg5–+) 24...Bd3 25.Re7 Ne7 26.Bd3–/+; B2) 23...Rf1 24.Qf1 Qe4–+; C) worse is 23.Qe3 Rf1 24.Kf1 Rf8 25.Kg1 Qh4 26.Nb6 ab6+=; D) 23.Ne7 Rf1 24.Rf1 Nf1 25.Nc6 bc6 26.Qf1 Be4 27.Bd3+/–) 23.Nb6 ab6 24.Bf7 Ng3? (24...Qf7 25.g4 d5 26.gf5 de4 27.Qe4+/–) 25.Bh6 (better is 25.Bd5 Nf1 26.Qf1 Bg8+–) 25...Ne4?? (25...Nf1 26.Bg7! Kg7 27.Rf1 Kh8+–) 26.Bg7! (worse is 26.Re4 gh6 27.Qe3 Rf8+–) 26...Kg7 27.Re4 Be4 28.Qg3 Kh8 29.Qh4 Kg7 30.Qg5 Kh7 31.Rf6 Kh8 32.Rh6 Bh7 33.Qf6 1–0. Fournier,Frederic (1900) – Snowcert (1920), net–chess.com, 2013.

4.c3 Ba5 5.Nf3 Nf6 6.fe5 Ne4 7.Qa4 d5 (better is 7...Ng5!?–/+) 8.Bb5+= Bb6 9.Bc6 bc6 10.Qc6 Bd7 11.Qd5 Nf2? (better is 11...Nc5!? 12.d3 c6+=) 12.Rf1+– Be6 (better is 12...Ng4!?+–) 13.Qd8 Rd8 14.Rf2 Bf2 15.Kf2 0–0 16.Ba3 Rfe8 17.d4 Rb8 18.Nbd2 Bf5 19.d5 Rb5 20.d6 c6 21.Nb3 Bd7 22.Nc5 Rd8 23.Nd4 Ra5 24.Bb4 (24.Bb4 Rc5 25.Bc5+–) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.c3 Ba5 5.Nf3 Nf6 6.fe5 Ne4 7.Bd3 (7.Qa4 Ng5 8.Be2 Rb8–/+) 7...Nc5 (better is 7...Ng5!?–+) 8.Bc2+= Bb6 (8...d5!? 9.ed6 Qd6+=) 9.d4= Na6 10.0–0 0–0?? (better is 10...d6 11.ed6 Qd6=) 11.Bh7!+– Kh7 12.Ng5 Kg8 13.Qh5 f6?? (13...Qg5 14.Bg5 Nd4+–) 14.Qh7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.c3 Bc5 5.Nf3 d6 6.d4 ed4 7.cd4 Bb4 8.Bd2 Bd2 9.Nbd2 Nf6 10.d5 Ne7 11.Bd3 Ng6 12.g3 Bh3 13.Qa4 Qd7?? (better is 13...Bd7 14.Qd4 Ne7+=) 14.Bb5+– c6 15.dc6 Qc7 16.cb7 (16.cb7 Ke7 17.ba8R Ra8 18.Bc6+–) 1–0. Fournier,Frederic (2235) – bruceleejp (1820), Active (5/5), 2007.

4.c3 Bc5 5.Nf3 ef4 6.d4 Bb6 7.Bf4 d6 8.Bc4 Nf6 9.Nbd2 Bg4 10.0–0 0–0 11.Rb1 Re8 12.Qc2 Ne7 (12...Bf3 13.Nf3 Ne4 14.Bf7 Kf7 15.Ng5 Kg8 16.Ne4+=) 13.Ng5 Rf8 (13...d5!? 14.e5 dc4 15.ef6 Ng6 16.Nc4 gf6+=) 14.e5+= de5 15.Be5 Nh5?? (better is 15...Ng6 16.Bf6 gf6+=) 16.Qh7 1–0. Fournier,Frederic (1990) – erzat12003, Active (5/0), 2007.

4.c3 Bc5 5.Nf3 ef4 6.d4 Bb6 7.Bf4 d6 8.Bd3 Nf6 9.0–0 Bg4 10.Nbd2 0–0 11.Qc2 Re8 12.Kh1 h6 13.Rae1 a6 14.h3 Bh5 15.g4 Bg6 16.Bg3 Nh7 (16...Rb8 17.Bh4+=) 17.Nh4= Nf8 18.Ng6 Ng6 19.Qb3 Kh8 (better is 19...Re7!?=) 20.Rf7+/– Rf8 21.e5 de5 22.Bg6 ed4 23.cd4 (23.Ref1 Rf7 24.Rf7 Qg8 25.Bc7 Bc7 26.Rc7 Qb3 27.ab3 dc3+–) 23...Nd4 24.Qc4 c6? (better is 24...Qg5 25.Ref1 Bc5 26.Rf8 Rf8 27.Rf8 Bf8+–) 25.Rb7 Nb5 (25...Qg5+–) 26.Rg7! Qd5 (26...Kg7 27.Be5 Double attack) 27.Qd5 cd5 (27...Kg7 28.Re7 Kg6 29.Qh5 Kf6 30.Bh4) 28.Be5 Bd4 (28...Rf1 29.Rf1 Bd4 30.Rh7 Kg8 31.Rh8) 29.Rh7 Kg8 30.Rh8 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.c3 Bc5 5.Nf3 Qf6 6.fe5+= Ne5 7.Be2 Nf3 8.Bf3 Qh4 9.g3 Qg5?? (better is 9...Qd8+=) 10.d4+– Qe7 11.dc5 Qc5 12.Qd3 (12.Qd4 Qd4 13.cd4 d6+–) 12...Nf6 13.Ba3 Qe5 14.Nd2 d6 15.Nc4 Qe6 16.0–0 Qh3? (better is 16...Nd7+/–) 17.e5+– Ng4 18.Bg4 Bg4 (18...Qg4 19.ed6 Qg6 20.Qd5+–) 19.ed6 (better is 19.Nd6 Kf8 20.Qd5+–) 19...0–0–0 (19...0–0+–) 20.Qd4 f6 (20...Qh5 21.Qa7 Rhe8 22.Qa8 Kd7 23.Qb7 f6+–) 21.Qc5 Rd7 22.Qa7 Rdd8 (22...Rd6 23.Bd6 Kd7+–) 23.Nb6! cb6 (23...cb6 24.Qa8 Mate attack) 24.Qa8 Kd7 25.Qb7 Ke6 26.Rae1 Be2 27.Re2# 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.c3 Bd6 5.Nf3 ef4 6.d4 Nb8 (6...g5 7.e5 Be7 8.d5+=) 7.e5+= Be7 8.Bf4 d6 9.Bb5 c6 10.Bc4 d5 11.Bd3 Bg4 12.0–0 Bh4 (12...c5!?+=) 13.Nbd2= g5? (better is 13...b6!?=) 14.Be3+/– Nh6 (better is 14...Qd7!?+/–) 15.Qb3 Bf3 16.Nf3 (16.Rf3?! b6+/–; 16.gf3?! Qb6=) 16...Ng4 17.Bd2 b5 18.g3 Qd7 (18...Bg3 19.hg3 Qc7 20.Ng5+– (worse is 20.Bg5 h6 21.Bf4 Qb6+–)) 19.gh4 gh4 20.h3 (worse is 20.Nh4 Rg8 21.Kh1 a5+–) 20...Rg8 21.hg4 Qg4 (21...Rg4 22.Kf2 h3 23.Rg1+– (23.Bh7?! Rg2 24.Ke3 f5+–)) 22.Kf2 h3 (22...Qh3+–) 23.Rg1 1–0. Fournier,Frederic (1900) – naskme (2130), net–chess.com, 2013.

3.f4 d6

4.c3–/+ Bc5 5.d4 ed4 6.cd4 Bb4 7.Bd2 Bd2 8.Nd2 Nc6 9.Bb5 Bd7 10.Ngf3 Nf6 11.0–0 0–0 12.Rb1 Rb8 13.Qc2 a6 14.Bd3 b5 15.Rfc1 Rb6 16.d5 Ne7 17.Qc7 Qc7 18.Rc7 Rd8 19.a4 (better is 19.Rbc1+/–) 19...b4? (better is 19...Ned5 20.ed5 Nd5+=) 20.Ra7 Ba4? (better is 20...Ng6 21.a5 Rbb8+–) 21.Re7 Bb5 (21...Nh5 22.g3+–) 22.Rb4 a5 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.c3–/+ Bc5 5.d4 ed4 6.cd4 Bb6 7.Nf3 Nf6 8.Bb5 Bd7 9.Qd3 Bb5 10.Qb5 Qd7 11.Qd3 0–0 12.0–0 Re8 13.Nc3 Nc6 14.Rb1 Ba5 15.Rb7 (15.e5 de5 16.fe5 Ng4–/+) 15...Bc3 16.Qc3 Re4 17.Bd2 Nd5 (better is 17...Re2!?–/+) 18.Qd3= Rae8 19.Ng5 Re2 (19...f5 20.Ne4 Re4 21.Qb3=) 20.Qh7+/– Kf8 21.Qh8 Ke7 22.Qg7 Qf5 23.Nf3 Qg6 (23...Kd8 24.Qg5 Qg5 25.fg5 (25.Ng5?? Rd2 26.a3 Nd4–+) 25...Nd4 26.Rf2=) 24.Qg6+/– fg6 25.Rb5 Ne3 (better is 25...Nf6!? 26.Rf2 Re4+=) 26.Be3+– Re3 27.d5 Nd8 28.Ra5 Rd3 29.Rc1 Kf6 30.Rc7 Re7 31.Re7 Ke7 32.Ra7 Kf6 33.Ng5 Rd5 34.Rd7 Ne6 35.Rf7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

3.f4 ef4–+

4.Nf3 Ba5 5.c3 c6 6.d4 Bc7 7.Bd3 h6 8.e5 g5 9.0–0 Ne7 10.Nbd2 Nd5 11.Ne4 d6 12.ed6 Bd6 13.c4 Nf6 14.Nd6 Qd6 15.Re1 Be6 16.Qb3 Qd7?? (better is 16...g4 17.Qb7 gf3 18.Qa8 Qd4 19.Be3 fe3 20.Qb8 Ke7 21.Qb4 Kd8 22.Qb8 Bc8 23.gf3 e2 (23...Qd3?? 24.Rad1 Rg8 25.Kh1+–) 24.Kh1 Qd3–+) 17.Qc3 Na6 18.d5 cd5?? (18...0–0–0 19.Qf6 cd5 20.cd5 Qd5 21.Ba6 ba6+–) 19.Qf6 Rf8 (19...Rg8 20.cd5 Qe7 21.Bb5 Kd8+–) 20.Ba3 Rg8 (20...d4+–) 21.cd5 Qd5 22.Qe7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Nc6 5.c3 Ba5 6.d4 d5 7.e5 Nge7 (7...g5 8.Bb5 g4 9.Ng1 Qh4 10.Kf1–/+) 8.Bf4 Ng6 9.Bg5 Qd7 10.Bd3 0–0 11.0–0 h6 12.Be3 Nge7 13.Qc2 g6?? (better is 13...Nf5 14.Bf2 Qe6+=) 14.Bh6+/– Re8 15.Ng5 Bb6?? (better is 15...Nf5 16.Bf5 gf5+/–) 16.Rf7+– Ne5 17.Rg7 Kh8 18.Qf2 Nd3 (18...Nf5 19.Rd7 Bd7 20.Bf5 Bf5+–) 19.Nf7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Nc6 5.c3 Bc5 6.d4 Bd6 7.e5 Be7 8.Bf4 d6 9.Bb5 de5 10.Ne5 Bd7 11.Bc6 bc6 12.Qf3 Bd6 (12...Bh4 13.g3 Bf6 14.Nc6+=) 13.0–0+/– c5? (better is 13...Be5!? 14.Be5 f6+/–) 14.Nd7 Qd7?? (14...Kd7 15.Bd6 Kd6 16.Qg3 Kc6 17.Qg7 Ne7+–) 15.Qa8 Ke7 (15...Qd8 16.Qd8 Kd8 17.Bd6 cd6 18.Rf7 cd4 19.Ra7+–) 16.Nd2 cd4 (16...f5 17.Rae1 Kf6 18.Bd6 cd6 19.Qf8 Kg6+–) 17.Rae1 Kf6 18.Qe4 dc3 (18...h5 19.Bh6 Bf4 20.Rf4 Qf5 21.Qf5) 19.Bh6 (19.Bh6 Bf4 20.Qf4 Kg6 21.Qg5) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Nc6 5.c3 Be7 6.d4 g5 7.d5 Na5 8.Qd4 f6 9.Be2 b6?? (better is 9...Nh6–/+) 10.Ng5+/– Bc5 11.Bh5 Ke7 12.Nf7 (better is 12.d6 cd6 13.Qd5+/–) 12...Qf8?? (better is 12...Bd4 13.Nd8 Bc3 14.Nc3 Kd8 15.Bf4 Nb7=) 13.Ba3 d6 14.Bc5 dc5 (14...bc5 15.Qa4 Nh6 16.Nh8 Nb7+–) 15.d6 Kd7 16.Bg4 Kc6 (16...Ke8 17.d7 Kf7 18.Qd5 Kg7+–) 17.Qd5 Kb5 18.Be2 Nc4 19.Qc4 Kc6 20.Qd5 Kd7 21.Bb5 c6 22.Bc6 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Nc6 5.c3 Be7 6.d4 Bh4 7.Kd2 Nf6 8.Bd3 d5 (8...Ng4 9.Nh4 Qh4 10.Qf1–+) 9.ed5 Nd5 10.Nh4 Qh4 11.Qe1 Qe1 12.Re1 Be6 13.c4 Ne3 14.Kc3 Ne7 (better is 14...Ng2!? 15.Rg1 Bh3–/+) 15.Be3+= fe3 16.Re3 Bd7 17.Nd2 Kf8 18.Nf3 Re8 19.Ne5 Bc8 20.Nf7 Kf7 21.Rf1 Kg8 22.Rfe1 Kf7 23.Rf1 Kg8 24.Rfe1 Kf7 25.Rf1 ˝–˝. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Bd6 5.Bb2 Nf6?? (better is 5...Bf8–/+) 6.e5+/– Qe7 (6...Be7 7.ef6 Bf6 8.Qe2 Kf8 9.Nc3+/–) 7.Qe2 Nc6? (better is 7...Be5 8.Be5 0–0+/–) 8.ed6+– cd6 9.Bf6 gf6 10.Nc3 Nb4 (10...Qe6 11.Kf2+–) 11.Rb1 Nc2 (11...a5+–) 12.Kd1 0–0 (12...Qe2 13.Be2 Rg8+–) 13.Qe7 Re8 14.Qe8 (14.Qe8 Kg7 15.Bc4 h5 16.Qf7 Kh6 17.Qf6 Kh7 18.Ng5) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Be7 5.Qe2 Bh4 6.g3? (better is 6.Nh4!? Qh4 7.Qf2 Qf2 8.Kf2–/+) 6...fg3–+ 7.hg3 Bg3 8.Kd1 Bf4 (8...h5!? 9.d4 h4 10.Qg2–+) 9.Bb2 Nf6 (9...f6 10.e5 f5 11.e6–/+) 10.e5 Nd5?? (better is 10...Ng4 11.Bh3 d6 12.ed6 Kf8 13.dc7 Bc7–/+ (worse is 13...Qc7 14.Re1 Ne3 15.de3+/–)) 11.Qe4+= c6 12.c4 Bd2? 13.Nbd2+– Nc7 14.Rh7 Rh7 15.Qh7 Ne6 16.Ne4 d5 17.ed6 Nd7 18.Qg8 Ndf8 19.Bg7 Ng7 20.Qg7 Qa5 21.Nf6 Kd8 22.Qf8 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Be7 5.Qe2 Nh6 6.Bb2 (6.d4 g5–/+) 6...0–0–+ 7.Nc3 Bh4 (7...c6 8.Qd3–+) 8.g3 (8.Nh4 Qh4 9.Qf2 Qf6+=) 8...fg3 9.hg3 Bg3 (9...Bf6!?–+) 10.Kd1+= Bf4?? (better is 10...Kh8 11.Qg2 Bd6+=) 11.Nd5+/– Bd6 (better is 11...d6 12.Nf4 Ng4+/–) 12.Bf6 Qe8 13.Rh6 g6 14.Rh7!! Kh7 (14...Kh7 15.Qg2 Mate attack) 15.Qg2 c6 (15...g5 16.Qg5 Qe4 17.Qg7) 16.Qh3 (16.Qh3 Kg8 17.Qh8) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 f6 5.c3–/+ Bd6 6.d4 c6 7.Bd3 Ne7 8.0–0 0–0 9.e5 fe5 10.Ne5 Be5 11.de5 Nd5 12.Qh5 h6 13.Qg6 Rf7?? (better is 13...Qg5 14.Qh7 Kf7+/–) 14.Qh7+– Kf8 15.Ba3 Re7 (15...d6 16.Bd6 Qd6 17.ed6 Rf6 18.Qh8 Kf7 19.Qc8 Nb6 20.Bc4 Nc4 21.Qb7 Nd7 22.Qa8 Nce5+–) 16.Bg6 d6 (16...Qb6 17.Kh1 Qg1 18.Kg1 Nf6 19.Qh8 Ng8 20.Rf4) 1–0. Fournier,Frederic – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Qf6 5.c3–/+ Bc5 6.d4 Bb6 7.Bd3 d6 8.0–0 (8.a4 Ba5–/+) 8...c5 9.e5 de5 10.Ne5 cd4 11.Bf4 dc3 (11...Ne7!?–/+) 12.Kh1+= Bh3?? (12...c2 13.Qc2 Be6 14.Bb5 Kf8+/–) 13.gh3+– Ne7 (13...Nc6 14.Bg3 Qd6+–) 14.Bg3 Qd6 (14...Qe6 15.Bc4 Nd5 16.Bd5 c2+–) 15.Bb5 Nbc6 (15...Qc6 16.Bc6 bc6 17.Qb3+–) 16.Qd6 Rd8 17.Qe7! Ke7 18.Rf7 Ke6 19.Bc4 Kd6 20.Nd3 Ne5 21.Nc3 Rd7 (21...Bd4 22.Be5 Be5 23.Ne4 Kc6 24.Ne5 Kb6 25.Rb1 Ka5 26.Nc6 Ka4 27.Nc3 Ka3 28.Rb3) 22.Be5 Kc6 23.Bb5 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 g5 5.Bb2–/+ f6?? (better is 5...Nf6–/+) 6.Ng5+/– fg5 (6...fg5 7.Qh5 Double attack (7.Bh8 Pinning; 7.Bh8 Deflection)) 7.Qh5+– Ke7? (better is 7...Kf8 8.Bh8 d5+–) 8.Bh8 Nf6 9.Bf6 Kf6 10.Bc4 (better is 10.Qh6!? Ke5 11.c3 Qe7 12.cb4 Nc6+–) 10...Qe7 (10...Kg7 11.h4 Qf6 12.c3+– (12.Qg5?! Qg5 13.hg5 Nc6+/–)) 11.Qh6 Ke5 12.c3 Bc5 13.d4 Bd4 14.cd4 Kd4 (14...Ke4 15.0–0 Kd4 16.Nd2+–) 15.Nd2 Nc6 16.0–0 b6 (16...Kc5+–) 17.Rac1 Bb7 (17...d6 18.Bd5 Bg4 19.Qh3 Qe4 20.Qc3 Kd5 21.Qc6 Ke6 22.Qe4 Kf6 23.Rc7 Be2 24.Qd5 Bd3 25.Qf7 Ke5 26.Nf3 Ke4 27.Qe6) 18.Nb3 (better is 18.Bd5 Qe4 19.Be4 Ne5 20.Bb7 Rh8 21.Nb3 Kd3 22.Qh3 f3 23.Rf3 Nf3 24.Qf3) 18...Ke5 19.h4 Qf6 20.Qh7 Rh8 21.Qd7 Rh4 22.Qd5# 1–0. Fournier,Frederic – rameshmonday, Chess.com, 2013.

4.Nf3 h6 5.c3–/+ Bc5 (5...Be7!?–/+) 6.d4+= Bb6 7.Bf4 d5 8.Nbd2 f5 (better is 8...Nf6!? 9.Bd3 c5+=) 9.ed5+= Qd5 (better is 9...Nf6 10.Qe2 Kf7 11.Ne5 Kg8+=) 10.Bc4+– Qd7? (10...Qd8 11.0–0 Nc6+/–) 11.Ne5 Qe7 12.0–0 c5 (12...g6 13.Ng6 Qg7 14.Nh8 Bd4 15.cd4 Qd4 16.Kh1 Qh8 17.Qh5 Kd8+–) 13.Qh5 Kd8 14.Nf7 Kd7 (14...Qf7 15.Qf7 Ne7+–) 15.Qf5 Qe6 (15...Ke8 16.Qc8 Bd8 17.Rae1 Nd7 18.Bb8 Ne5 19.Re5 Kf8 20.Nh8 Nf6 21.Ng6 Ke8 22.Re7) 16.Qe6# (16.Nh8 Qf5 17.Bb8 Qf1 18.Kf1 Rb8 19.dc5 Bc5 20.Bg8 Kc7+–) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 d5

5.e5 Be6 6.c3 Bc5 (6...Be7!?–/+) 7.d4+= Bb6 8.Bf4 c5 9.Na3 Ba5 (9...Ne7!?–/+) 10.Nb5= a6 (10...Ke7!? 11.Bd2 Bb6=) 11.Nd6+= Kf8 12.Rc1 c4 13.Ng5 Qd7 14.Bc4 (better is 14.Ne6 Qe6 15.Nb7+/–) 14...Nh6?? (better is 14...dc4 15.d5 Bg4+=) 15.Ne6+– Qe6 16.Bh6 (16.Qb3 dc4 17.Qb7 Bc7 18.Qc7 Nd7 19.Bh6 gh6+–) 16...gh6?? (16...dc4 17.0–0 Nc6 18.Nf7 Kg8+–) 17.0–0 dc4 18.Rf7 Kg8 (18...Qf7 19.Nf7 Kf7 20.Qf3 Ke7 21.Qf6 Kd7 22.Qh8 Bd8+–) 19.Rf6 Kg7 (19...Bd8 20.Re6 Kg7 21.Qg4 Bg5 22.Re7 Kf8 23.Rf7 Kg8 24.Qc8 Bd8 25.Qd8) 20.Re6 (20.Re6 Bd8 21.Qg4 Bg5 22.Re7 Kf8 23.Rf7 Kg8 24.Qc8 Bd8 25.Qd8) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.e5 Qe7 6.c3–/+ Ba5 (6...Bd6 7.Kf2 Bc5 8.d4–/+) 7.d4 (better is 7.Qa4!? Nd7 8.Qa5 Ne5 9.Kd1 Nf3 10.gf3+=) 7...c5+= 8.Bf4 cd4 9.Bb5 Bd7 10.Nd4 Bb5 (better is 10...Nc6!?–/+) 11.Nb5= Qh4 (11...Qe6!?=) 12.g3+= Qe7 13.Nd6 Kd7?? (better is 13...Kf8+=) 14.Qd5+– f6 (14...Nf6 15.Qb7 Ke6 16.Qa8 Nd5+–) 15.Nf5 Ke8 (15...Kc8 16.Ne7 Ne7 17.Qe6 Nd7 18.Qe7 fe5 19.Be5 Rd8+–) 16.Ne7 Ne7 17.Qb7 Kf7 18.Qa8 Nd5 1–0. Fournier,Frederic – NN, jeu.europe–echecs.com, 2013.

5.e5 Bg4 6.c3 Be7 7.Be2 Bh4 8.Kf1 Nd7 9.d4 Bg5 10.Qb3 Nb6 11.a4 a5 12.Bb5 Kf8 13.Bd3 Bh6 14.Nbd2 Ne7 15.Kf2 Kg8 16.Rf1 Nf5 17.Kg1 Ne3 18.Rf2 Qe8 19.Nf1 f6 20.ef6 gf6 21.Raa2 (21.Bb5 Bd7–/+) 21...Kg7 22.Nh4 Rg8 23.Ne3 fe3 24.Nf5 Kh8 25.Nh6 ef2 26.Rf2 Qa4 27.Qb1 Rge8 28.Rf6 Rf8 29.Nf7 Kg7 30.Bh7 (30.Bh7 Qd1 31.Rf1 Qf1 32.Kf1 Rf7 33.Kg1+=) 1–0. Fournier,Frederic (2160) – Asterix (1930), echecsemail.com Thematique, 2006.

5.e5 Bg4 6.c3 Bf3 7.Qf3 Be7 8.d4 Bh4 9.g3 fg3 10.hg3 Bg5 11.e6 fe6?? (better is 11...Bf6 12.ef7 Kf7–/+) 12.Qh5+/– g6 13.Qg5 Qg5 14.Bg5 Nd7 15.Bh3 h6 16.Be6 Ndf6 17.Bg8 Ng8 18.Nd2 Rh7 19.0–0–0 Kd7 20.Nf3 Rf8 21.Ne5 Kc8 22.Ng6 Rf3 (22...Rf5 23.Bh4 Rg7 24.Ne5+–) 23.Rde1 Rg7 (23...Nf6 24.Bf6 Rf6 25.Ne7 Kd7 26.Nd5 Rf3+–) 24.Re7 (better is 24.Re8 Kd7 25.Rd8 Ke6 26.Nf4 Kf5 27.Rd5 Kg4 28.Rh4 Kg3 29.Nh5 Kf2 30.Ng7+–) 24...Rg6–+ 25.Re8 Kd7 26.Rd8 Kc6 27.Bf4 Rc3 28.Kd2 Rc4 29.Kd3 Nf6 30.Re1 Nd7 31.Re7= (31.Re7 Nb6 32.Rc7 Kb5 33.Rb7+=) 1–0. Fournier,Frederic – Leobloom, active (8+8), 2011.

5.e5 Bg4 6.c3 Bf3 7.Qf3 Qh4 8.g3+= fg3 9.hg3 Qe7 10.cb4 Qe5 11.Qe2 (11.Qe2 Qe2 12.Be2+=) 1–0. Fournier,Frederic (1875) – Mnarov, Active, 2011.

5.e5 Nh6 6.Bb5 c6 7.Be2 0–0 8.0–0 Bg4 9.d4 Nd7 10.Bf4 Nf5 11.c3 Bf3 12.Bf3 Be7 13.Bg4 Nh4 14.g3 Ng6 15.Bc1 Qc7 16.Be3 Rad8 17.Nd2 c5 18.Rb1 b6 19.Qf3 cd4 20.cd4 Qc2 21.Rbc1 Qa2 22.Ra1 Qb2 23.Rfb1 Qc3 24.Rc1 Qb4 25.Qe2 a5 26.Nf3 Rc8?? 27.Bd7+– Rc1 28.Rc1 a4 29.Bc6 Qa5 30.Qa2 b5 31.Qd5 a3 32.Qb5 Ra8 33.Qd5 Qd5 34.Bd5 Ra5 35.Ba2 h6 36.Rc8 Kh7 37.Bf7 a2 38.Bg8 Kh8 39.Ba2 (39.Ba2 Kh7 40.Bg8 Kh8 41.Bc4 Kh7 42.Kg2+–) 1–0. Fournier,Frederic (2120) – ElcidBasri (1805), Active, 2011.

4.Nf3 d6

5.c3 Ba5 6.d4 Bg4 7.Bf4+= Nc6 8.Bb5 a6 9.Bc6 bc6 10.0–0 Nf6 (10...Qd7 11.Qd3+=) 11.Qd3 (11.Bg5 Bb6=) 11...Bf3 (11...h6 12.Nbd2=) 12.Qf3= 0–0 (12...Qe7!? 13.e5 Nd5+=) 13.Bg5+= Qb8 (better is 13...h6!? 14.Bf6 Qf6 15.Qf6 gf6+=) 14.Bf6+– gf6 15.Qf4 (15.Qf6 Qd8 16.Qh6 f6+/–) 15...Qb2 16.Rf3 Qa1?? (16...Rfb8 17.Qf6 Qc1 18.Kf2 h6+/–) 17.Rg3 Kh8 18.Qf6 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.c3 Ba5 6.d4 Bg4 7.Bf4+= Nf6 8.Bd3 0–0 9.0–0 Qe7 10.Qc2 g6 (better is 10...h6!?=) 11.Bg5+/– Bf3 (11...Qe6 12.Nbd2 Nbd7+=) 12.Rf3+– (12.gf3?! c5 13.Qb2 Nc6=) 12...Nbd7 13.Nd2 Qe8? (better is 13...c5 14.Raf1 cd4 15.Rf6 Nf6 16.Bf6 Qc7 17.Bd4 Bb6+–) 14.Bf6 (14.Rf6?! h6 15.Bh4 Nf6 16.Bf6 c5+–) 14...Nf6 15.Rf6 d5 (15...Qe7 16.Raf1 c6 17.Nc4+–) 16.ed5 Qe3 17.Kh1 Rae8 (17...Rad8 18.Raf1 Qg5 19.Bc4+–) 18.Raf1 Qg5 19.Ne4 Qh4 (19...Qd5 20.R6f5! Qf5 21.Rf5 gf5 22.Nf6 Kg7 23.Ne8 Re8 24.Kg1+–) 20.R6f4 Qh6 (20...Qd8 21.Nf6 Kg7+–) 21.Nf6 (21.Nf6 Kh8 22.Ne8 Re8 23.Qa4+–) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.c3 Bc5 6.d4 Bb6 7.Bf4 Nf6 8.Bd3 0–0 9.0–0 Re8 10.Nbd2 Bg4 11.Kh1 Nbd7 12.Qc2 Nf8 13.a4 a5 14.Nc4 Ne6 15.Ng5 Nf4 16.Rf4 Bh5 17.e5 de5 18.Bh7 Kf8 19.Ne5 Nd5?? (better is 19...c5 20.Ngf7 Bf7 21.Nf7 Kf7 22.Bg6 Kf8+/–) 20.Ng6 Bg6 21.Qg6 Qd7 (21...Re7 22.Rf7 Ke8 23.Rg7 Kd7 24.Qe6 Ke8 25.Rg8) 22.Rf7 (22.Rf7 Qf7 23.Qf7) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.c3 Bc5 6.d4 Bb6 7.Bf4 Nf6 8.Bd3 0–0 9.Nbd2 Bg4 10.0–0 Bf3 (10...c5 11.Qb3 Re8 12.Bg5+=) 11.Qf3 Nbd7 (11...c5 12.Be3=) 12.Kh1 a5 13.Nc4 Qe7 14.e5 de5 15.Ne5 Ne5 16.Be5 (worse is 16.de5 Nd7=) 16...Rae8?? (better is 16...Nd7 17.Bg3 Rab8+/–) 17.Qh3+– (17.Bf6?! Qf6 18.Qf6 gf6+=) 17...h6 (17...Nh5 18.Qh5 g6+–) 18.Bf6 gf6 (18...Qd6 19.Qg4 Qf6 20.Rf6+–) 19.Qh6 f5 20.Rf5 f6 21.Bc4 Rf7 22.Rf6 Qe1 23.Rf1 Qe3 (23...Qf1 24.Rf1 Ree7 25.Rf7 Rf7 26.Qg6 Kh8 27.Qf7 Bd4 28.Qg8) 24.Bf7 1–0. Fournier,Frederic – amanachakzai, Chess.com, 2013.

5.c3 Bc5 6.d4 Bb6 7.Bf4 Bg4 8.Bc4 Nf6 9.0–0 0–0 10.Nbd2 Nc6 11.h3 Bf3 12.Qf3 Na5 (12...Nd4 13.cd4 Bd4 14.Be3 Ba1 15.Ra1+=) 13.Bd3 (better is 13.Bg5!?+=) 13...c5= 14.Bg5 cd4 15.e5 (15.c4 Re8 16.Qg3+=) 15...de5 (better is 15...dc3 16.Kh1 cd2 17.Bf6 d1R 18.Rad1 de5 (18...gf6?? 19.Qg4 Kh8 20.Qf5 fe5 21.Qh7) 19.Bd8 Rad8+–) 16.Ne4+/– dc3 17.Kh1 Kh8 (better is 17...Be3 18.Nf6 gf6+/–) 18.Nf6+– Qc7?? (18...Qd6 19.Qe4 Qd3 20.Qd3 g6+–) 19.Qe4 (19.Qh5 h6 20.Bh6 g6 21.Bg7 Kg7 22.Qh7) 19...g6 20.Qh4 h5 21.Nh5! (21.Nh5 Bf2 22.Ng3 Kg8 23.Bf6 Bg3 24.Qh8) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.c3 Bc5 6.d4+= Bb6 7.Bf4 Bg4 8.Nbd2 Nc6 9.Bd3 Nf6 10.0–0 0–0 11.Qc2 Re8 12.Kh1 h6 13.Rae1 Qd7 14.h3 Bh5 15.g4 Bg6 16.Nh4 Bh7 17.Bh6 (17.Nf5!?+=) 17...Ng4–/+ 18.hg4 gh6 (better is 18...Qg4!? 19.Re2 Qh4 (19...gh6?? 20.Rg2 Qg2 21.Kg2+–) 20.Rh2 Qd8+=) 19.Nf5 Bf5 20.gf5 Kh7 21.Nf3 f6 22.Rg1 Rg8 23.Bc4 Rg1 24.Rg1 (worse is 24.Kg1 Ne5 25.Nd2 Nc4 26.Nc4 Rg8 27.Kf2 Qf7–/+) 24...Ne7?? (better is 24...Qe8 25.Bg8 Qg8 26.Rg8 Rg8+/–) 25.Qg2+– (25.Qg2 Nf5 26.Qg6 Kh8 27.Qf6 Kh7 28.Bf7 Qf7 29.Qf7 Kh8 30.ef5 Bd4 31.cd4 c5 32.Qg7) 1–0. Fournier,Frederic (1995) – Zoophytic (1695), Active, 2011.

4.Nf3 Qe7

5.c3 Qe4 6.Be2 Bd6 7.0–0 Nf6 8.d4 0–0 9.Bd3 Qc6 10.Qc2 Re8 11.Nbd2 b5 12.a4 ba4 13.Ra4 Ba6 14.c4 h6 15.Kh1 Qb7 16.d5 Ng4 17.Ne4 Ne3 18.Nd6 cd6 19.Be3 fe3 20.Nd4 Qb6 21.Nf5 h5 22.Qc3 Re5 23.Rf3 Qc7 (23...f6!?=) 24.Re3+= Bb7 25.Ra1 (25.Qb2 Kf8+/–) 25...h4 (25...g6 26.Ne7 Kg7+/–) 26.Rae1 f6 27.Qd4 Qa5 28.Qh4 Qb4 29.Ng7 Bd5 30.Qh7 Kf8 31.Qh8 Kf7+/– 32.Re5 de5 33.Qe8 Kg7 34.Qg6 Kf8 35.Qf6 Ke8 36.Re5 Be6 37.Bg6 1–0. Fournier,Frederic – dongiovani (1890), Chess.com, 2013.

5.c3 Qf6?? 6.e5+/– Qb6 7.cb4 Qb4 8.Nc3 Nc6 (8...Ne7!?+/–) 9.Rb1+– Qe7 10.d4 f6 11.Bf4 fe5? (11...d6 12.Bb5 Bf5 13.Bc6 bc6+–) 12.Nd5 (12.Ne5?! Nf6 13.Be2 0–0+–; worse is 12.de5 Qd8+–) 12...Qf7 13.Nc7 Kd8 14.Be5 Ne5 15.Ne5 Qe7 16.Qc2 Rb8 17.Nd5 Qe6 18.Qc7 Ke8 19.Qb8 Qd5 20.Qc8 Ke7 21.Rb7 Qe4 22.Be2 Qg2 23.Qd7 Kf6 24.Qf7 (24.Qf7 Kg5 25.h4 Kh6 26.Qh5) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.Be2 Qe4 6.Bb2 Nf6 7.0–0 Nc6 (7...Bc5 8.Kh1 Qe7 9.Ne5–+) 8.Bd3 Qd5 9.Nc3 (9.Re1 Kd8 10.Bf6 gf6–+) 9...Qh5 10.Qe2 Kd8 11.Ne4 Ne4 12.Qe4 f6 13.Qf4 Bc5 14.Kh1 Re8 15.g4 Qh3 16.Rae1 (16.g5!? Nb4 17.gf6 Nd3 18.cd3+/–) 16...Re1 17.Re1 d5 18.Bf6 gf6 19.Bf1 Qg4 20.Qf6 Be7 21.Re7 Qf3 22.Qf3 Ke7 23.Qf4 Bd7 24.Qc7 Rc8 25.Qb7 Rb8 26.Qa6 Kd8 27.Qd3 Rb2 28.Qd5 Rc2 29.Bh3 Nb8 30.Bf5 Rc1 31.Kg2 Kc8 32.Qg8 Kc7 33.Bd7 Nd7 34.Qh7 Re1 35.Qd3 Re6 36.h4 Nc5 37.Qf5 Kd6 38.h5 Re2 39.Kf3 Re1 40.Qf8 Re7 41.Qf4 Kd5 42.Qf5 Kd6 43.h6 Ne6 44.Kg4 Nd8 45.Qf6 Kd7 46.h7! Nf7 47.d4 a5 48.d5 a4 49.Kh5 Re5 50.Kg6 Re7 51.Qf7 Rf7 52.Kf7 Kd6 53.h8Q Kd5 54.Qa8 Kd6 55.Qa5 Kc6 56.Ke6 a3 57.Ke7 Kb7 58.Kd6 Kb8 59.Kc6 Kc8 60.Qc7 1–0. Fournier,Frederic – COMP, Active, 2011.

5.Be2 Qe4 6.Bb2 Nf6 (6...Ne7!? 7.Bg7 Rg8 8.Bc3–+) 7.Bf6–/+ gf6 8.a3 Ba5 9.0–0 Nc6 10.d4 d5 11.c3 Bf5 (11...Qe3 12.Kh1 Bc3 13.Nc3 Qc3 14.Bb5–+) 12.Bb5 0–0–0 13.Bc6 Qe3 14.Kh1 bc6 15.Ra2 Rhe8 (15...Bc3?! 16.Re2 Qd3 17.Qd3 Bd3 18.Nc3–/+) 16.Rb2 Be4 (16...Bc3?! 17.Rb3 Bb1 18.Qb1=) 17.Nfd2 Bd3 18.Rg1 Bb6 19.Nf1 Qe4 20.Nbd2 Qe2 21.Qb3 Qg4 22.Nf3 Be2 (22...Be2 23.h3 Qh5–+) 0–1. Fournier,Frederic (2215) – Baer,Werner, TSC TT–06 Corr, 2003.

5.Be2 Qe4 6.Bb2 Qg6 7.0–0 Ne7 8.Ne5 Qb6 9.Kh1 0–0 10.Nd3 d6 11.Rf4 Nbc6 12.Nb4 Nb4 13.Na3 Be6 14.Nc4 Qc5 15.a3 Nbd5 16.Rf3 Ng6 17.Qg1 Qg1 18.Kg1 Bg4 0–1. Fournier,Frederic (2215) – Winiger,Albert, TSC TT–06 corr, 2003.

4.Nf3 Nf6

5.c3 Ba5 6.e5 Nd5 7.Qa4 Nc6 8.Ba3 d6 (better is 8...a6!?–/+) 9.Bb5= Bd7 10.Bc6 Bc6 11.Qa5 de5 12.0–0 Qf6 (12...f6 13.Qc5+=) 13.d4 (better is 13.Re1!? 0–0–0 14.Ne5+/–) 13...e4 14.Ne5 f3 15.Nd2 (better is 15.Bc1+=) 15...Qg5–/+ 16.Rf2 e3 17.Rf3 ed2?? (17...Nf4 18.g3 Nh3 (18...Bf3?? 19.Ndf3 Qf6 20.gf4+–) 19.Kg2 Nf4 (19...ed2? 20.Nc6 Qa5 21.Na5+–; 19...Bf3 20.Ndf3 Nf4 21.Kh1+–) 20.Kf1 b6 21.gf4 A) 21...ba5?? 22.fg5 Bf3 23.Ndf3+– (23.Nef3?! ed2 24.Rd1 0–0–0+/–); B) 21...Qh4+/–) 18.Nc6 (18.Nf7 Qh4 19.Nh8 Qe1 20.Rf1 Qe3 21.Kh1=) 18...bc6+/– 19.c4 Qg4 20.Qd2 Nf6 21.Re1 Ne4?? (better is 21...Kd8+–) 22.Qa5 f5 (22...c5 23.Qb5 Kd8+–) 23.Qe5 Kd7 (23...Kf7 24.Rf5 Kg6 25.Qe6 Nf6 26.Rf6 Kg5 27.Re5 Kh4 28.Rh6 gh6 29.Qh6 Qh5 30.Qh5) 24.Qe7 Kc8 25.Qe6 Kb7 (25...Kd8 26.Be7 Ke8 27.Bd6 Kd8 28.Qe7 Kc8 29.Qc7) 26.Rb1 Ka6 27.Qc6 (27.Qc6 Ka5 28.Bb4) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.c3 Ba5 6.e5 Qe7 7.Qe2 Nd5?? (better is 7...Nh5–/+) 8.Qb5+= Bc3 9.Nc3 Nb4 (9...Nc3!? 10.dc3 a6+=) 10.Qa4+/– 0–0 (10...N8c6 11.Be2 Qc5 12.a3+/–) 11.a3 N4c6 12.Qf4 d6 13.Nd5 Qd7 14.Qg5 Kh8 15.Bb2 de5 16.Ne5 Ne5 (16...Qd5?? 17.Ng6! fg6 18.Qd5+–) 17.Be5 (17.Qe5? Re8 18.Nc7 Re5 19.Be5 Qe7–+) 17...f6 18.Nf6! Qf5 (18...Rf6 19.Bf6 Decoy; 18...gf6 19.Bf6 Decoy) 19.Nh7! Qh7 (19...Qh7 20.Bd3 Decoy; 19...Kh7 20.Qg7#) 20.Bd3 (20.Bc7 Nc6 21.Rc1 Bd7=) 20...Bf5 (20...Rf5 21.Bf5 Bf5+–) 21.0–0 Nc6 22.Rf5 Rf5 23.Bf5 (23.Bf5 Ne5 24.Bh7 Kh7 25.Qe5+–; 23.Qf5?! Qf5 24.Bg7 Kg7 25.Bf5 Nd4+/–) 1–0. Fournier,Frederic (2445) – PlaZmen, Chessworld.net, 2012.

5.c3 Bc5 6.e5 Ne4 7.Qe2 f5?? (better is 7...Nf2 8.Rg1 Nd3 9.Qd3 Bg1 10.Ng1 Qh4 11.Kd1 Qh2+=) 8.ef6+/– Qf6 9.Qe4 Kd8 10.Kd1 c6 (10...Re8!? 11.Qh7 d5+–) 11.d4 Bb6 12.Qf4 Qf4 13.Bf4 d5 14.Bd3 Rf8 15.Bd6 Re8 16.Bh7 Rh8 17.Bd3 Bg4 18.Nbd2 Bf3 19.Nf3 1–0. Fournier,Frederic – NN, Active, 2011.

5.c3 Bd6?? 6.e5+= Be7 (6...Be5 7.Ne5 0–0 8.Be2+=) 7.ef6+/– Bf6 8.Qe2 Qe7 9.d4 g5 10.h4 g4 11.Ne5 Bh4 12.Kd1 d6 13.Rh4 de5 14.Qe5 Qe5 15.de5 f3 16.gf3 gf3 17.Nd2 f2 18.Ne4 Bf5 19.Nf6 Ke7 20.Ke2 Nc6 21.Bf4 Ke6 22.Kf2 Ne5 23.Re1 Kf6 24.Be5 (24.Re5?! c6+=) 24...Kg6 (24...Kg5 25.Be2 Bg6+–) 25.Bc4 (25.Bh8?! Rh8 26.Re7 Rc8+–) 25...Kg5 (25...h5 26.Rg1 Bg4 27.Bh8 Rd8+–) 26.Rg1 Kh4 27.Be2 Bg4 28.Rg4 Kh3 29.Bf6 (29.Bf6 h5 30.Rh4; 29.Kf3 h5 30.Bf1) 1–0. Fournier,Frederic (2005) – Arash_masdood, Active, 2011.

5.c3 Be7 6.d3 0–0 7.Be2 d5 8.e5 Nh5 9.0–0 f6 10.Ne1 g6 11.Bh5 gh5 12.ef6 Bf6 13.Qh5 Nc6 14.Rf4 Be6 15.Ba3 Bg7?? (better is 15...Ne7=) 16.Bf8+– Bf8 17.Nc2 Bd6 18.Rf1 Ne5 19.d4 Ng6 20.g3 Qe8 21.Nd2 Qc6 22.Nf3 Qc3?? (better is 22...Be7 23.Rae1 Rf8+–) 23.Ng5 (23.Ng5 Nf4 24.Qh7 Kf8 25.Ne6 Ke8 26.Nf4+–) 1–0. Fournier,Frederic (2480) – Brunotausore (2210), Echecsemail.com (Defi), 2011.

5.c3 Be7 6.d3 0–0 7.Bf4 d5 8.e5 Nh5 9.Be3 f6 10.e6 f5 11.Be2 Qd6 12.0–0 Qe6 13.Bc1 Nf6 14.Kh1 Bc5 15.Ng5 Qe7 16.Bf3 Re8 17.Qb3 c6 18.c4 d4 19.Nh3 Ng4 20.Bf4 Ne3 21.Re1 Na6 22.a4 Bb6 23.Nd2 Ba5 24.Re2 Nc5 25.Qa3 Ne6 26.Bd6 Qh4 27.Nb3 Bc3 28.Rb1 g5 29.Ng1 Qh6 30.Ra2 g4 31.Be2 f4 32.a5 Nf5 33.h3 Neg7 34.Bc7 gh3 35.g4 fg3 36.Qc1 Re3 37.Nf3 Ne6 38.Be5 Nf4 39.Bf4 Qf4 40.Rc2 Rf3 41.Qf4 Rf4 42.Ra2 Ne3 43.Rc1 h2 44.Bh5 Bh3 45.Nd4 Bd4 46.Rh2 Raf8 (46...Raf8 47.Rf2 Rf2 48.Bf7 R8f7 49.Re1 Rf1 50.Rf1 Rf1) 0–1. Fournier,Frederic (2240) – ukelele(C) (2345), Active (3/2), 2007.

5.c3 Be7 6.d3 0–0 7.Bf4 d5 8.e5 Nh5 9.Be3 f6 10.e6 f5 11.Be2 f4 12.Bf2 Nf6 (12...Be6 13.Nd4 f3 14.Ne6 fe2 15.Qb3+=) 13.Nfd2 Be6 14.0–0 Qd6 15.Nb3 b6 16.N1d2 c5 17.Re1 Nc6 18.Kh1 Rae8 19.Nc1 d4 20.c4 Ne5 21.h3 Bf7 22.a4 a6 23.Rb1 Bg6 24.Kg1 Rf7 25.Rb2 Bd8 26.a5 ba5 27.Qa4 Rfe7 28.Rf1 Bc7 29.Nf3 Ned7 30.Qa3 Bh5 31.Bh4 Re3 32.Qa4 R8e7 33.Qd1 Ne5 34.Kh2 Ng6 35.Bf2 Re8 36.Kh1 R3e6 37.Qc2 Ne7 38.Re1 Nf5 39.Kh2 Bf3 40.gf3 Qc6 41.Qd2 Nd7 42.Rb1 Ne5 43.Qd1 Ng3! (43...Ng3 44.Bg3 fg3 45.Kg2 Ng6–+) 0–1. Fournier,Frederic (2005) – Gerry_bosch (2035), Active (8/0), 2007.

5.c3 Be7 6.d3 d5 7.e5 Ng4 8.Bf4 Nc6 9.d4 f6 10.ef6 Nf6 11.Bd3 0–0 12.0–0 Bg4 13.Qc2 Bf3 14.Rf3 Bd6 15.Bg5 Bh2 16.Kh1 (16.Kh2 Ng4 Double attack) 16...Qd6 17.Nd2 Bg3 18.Raf1 h6 19.Bf6 Rf6 (worse is 19...gf6 20.Ba6 Ne7 21.Bb7+/–) 20.Rf6 gf6 21.Qb3 Kg7 22.Qb7 Rb8 23.Qa6 Rb2 24.Nf3 Qe6 25.Qa3 Rb6 26.Qc1 Ne7 27.c4 Qg4 28.Qc2 dc4 29.Qc4 Rb2 30.Bc2 Nd5! 31.Qd3 (31.Qd5 Rc2 Deflection) 31...Bf4 (31...Ra2 32.Qh7 Kf8 33.Bg6+–) 32.g3 (better is 32.Rf2 Qh5 33.Kg1–+) 32...Ne3 33.Nh2 Qg3 34.Rg1 Qg1! (34...Rc2 35.Rg3 Bg3 36.Nf1 Nf1 37.Qc2+–) 35.Kg1 Rc2 (35...Nc2 36.Nf1 Bd6 37.Ng3+=) 36.Nf3 Rg2 37.Kh1 Ra2 38.Kg1 Ra1 39.Kf2 Ng4 40.Kg2 Ra2 41.Kf1 Rf2 42.Ke1 h5 43.Qe4 Bd6 44.Kd1 f5! 45.Qc6 (45.Qf5 Ne3 Double attack (45...Ne3 Decoy)) 45...Kf6 46.Qc3 a5! 47.d5 Kg6 0–1. Fournier,Frederic (2215) – Bonetti,Shane M, TSC TT–06 Corr, 2003.

5.e5 Nd5 6.c3 Be7 7.Qb3 Nb6 8.d4 Bh4 (8...d6 9.Bf4 Be6 10.Qb2–/+) 9.g3 (9.Kd1!?–/+) 9...fg3–+ 10.hg3 Bg3 11.Kd1 0–0?? (better is 11...d6 12.Rg1 Be6 13.Qb5 Bd7–+) 12.Bd3 h6 13.Bh6 (13.Rg1 Be5 14.Ne5 Qh4+=) 13...d5 (13...gh6 14.Rg1 Kh8 15.Rg3 d6+=) 14.Bh7+= Kh7? (better is 14...Kh8 15.Bg5 f6 16.Bg6 Kg8 17.ef6 gf6+/–) 15.Qc2+– Kg8?? (15...g6 16.Bg5 Kg8 17.Bd8 Rd8+–) 16.Bg7! (16.Bg7 Qh4 17.Nh4 Bg4 18.Kc1 Bf4 19.Nd2+–) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

2.e4?? Nc6

3.a3 d5 4.Bd3 Nf6=+ 5.Nc3 d4 6.Nd5 Nd5–/+ 7.ed5 Ne7 8.Nf3 Nd5 9.0–0 Bd6 10.Re1=+ f6 11.Bc4 Nf4 12.Nh4 g5 13.Nf5?? Kf8 14.Nd6 Qd6=+ 15.c3 d3 16.Bd3?? Nd3–+ 17.Re3 b5 18.Qe2?? Nf4 19.Qb5 c6 20.h3?? cb5 21.a4 Bd7 (22.Ra3 Nd3–+) 0–1. nandy conure – boldeagle, ChessWorld.net, 2005.

3.a3 Nf6 4.Nf3 Ne4=+ 5.Bb5 a6 6.Bc6= dc6 7.Qe2 Bf5 8.Ne5 Ng5?? 9.Nc6+– Be6 10.Nd8 Kd8 11.0–0 b5 12.Re1 Bc4 13.Qe8# 1–0. Cavanagh,Philip – magda_20mx, Yahoo! Chess, 2001.

3.b5 Nb8 4.Bb2 Qf6 5.Nf3 Bd6 6.d4 ed4 7.Bd4 Qg6 8.Bd3 Qg2?? (better is 8...Bf4+/–) 9.Rg1+– Qh3 (9...Qg1 10.Ng1 f6 11.Nc3+–) 10.Bg7 Bh2 (10...Ne7 11.Bh8 Bf4 12.Nc3+–) 11.Bf1 Qh5 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

3.c3 Bd6 4.Bb5 Nf6 5.Nh3 0–0 6.Ng5 h6 7.h4 hg5?? 8.hg5+/– Nh5?? 9.Qh5 g6 10.Qh7 1–0. rconfair – edonaghy, net–chess.com, 2005.

3.c3 Qh4 4.Bc4?? Qe4–+ 5.Qe2 Qg2 6.Qh5 Qe4 7.Qe2 Qh1 8.Kf1 Qh2 9.d4 d6 10.Qe3 g6 11.Nh3 Bh3 12.Ke2 0–0–0 13.b5 Na5 14.Bf7 Nh6 15.Bd5 Bg4 16.Kf1 Be7 17.Qe4 Rhf8 18.Be3 Bh4 19.f3 Rf3 20.Qf3 Bf3 21.Bf3 Qh3 22.Ke2–+ Rf8 23.Nd2 Nf5 24.Rh1 Ng3 25.Kd1 Nh1 26.Bh6 Rf5 27.Be2 Qc3 28.Nb1 Nf2 0–1. perozim – cedp, net–chess.com, 2004.

3.Nc3 Nb4 4.Ba3 a5 5.d4 ed4 6.Nd5 (6.Nb5 Nf6 7.e5 Ne4–/+) 6...c6 7.Nb6?? (Better is 7.Nb4 ab4 8.Bb2–+) 7...Qb6 8.Kd2 c5 9.Be2 d6 10.Bh5 Nf6 11.Bf7 Kf7 12.Qh5 g6 (13.Qd1 Ne4 14.Ke1 Nc3 15.Qf3 Bf5 16.Bb4 Re8 17.Kf1 Qa6 18.Ne2 Re2–+; Better is 12...Nh5 13.Nf3 Nf4 14.Ng5 Kg8–+) 0–1. jaj – pok, Live Game Caissa's Web, 2004.

3.Nc3 Nd4 4.Rb1 a5 5.d3 ab4–+ 6.Na4 b3?? 7.ab3=+ b5 8.Nc3 Bb7 9.Nd5? c6?? 10.Ne3=+ Bb4 11.c3? Bc3–+ 12.Bd2 Qa5 13.Qc2?? Nc2 14.Kd1 Qa2 15.Bc3 Qb1 16.Kd2 Ra2 17.Nd1 Nd4 18.Ke1 Nc2 19.Ke2?? Nd4 20.Ke3?? Qc1 21.Bd2 Qd2 0–1. carosse (1635) – laure (1665), net–chess.com, 2005.

3.b5 Nd4

4.Bb2 b6 5.Nf3 c5 6.Ne5 Qe7 7.Bd4 cd4 8.Nf3 Qe4 9.Qe2 Qe2 10.Be2 Be7 11.0–0 Nf6 12.Nd4 0–0 13.Re1 Bc5 14.c3 Re8 15.d3 Nd5 16.c4?? Bd4–+ 17.cd5 Bb7 18.Kf1 Ba1 19.Nd2 Bc3 20.Rd1 Bd5 21.Nf3 Ba2 22.Nh4 Bb3 23.Rc1 Be5 24.g3 Rac8 25.Rc8 Rc8 26.Nf5 Kf8 0–1. gtate (1715) – bertjosh, net–chess.com, 2002.

4.Bb2 Nf6 5.Bd4 ed4 6.f3 (6...Bc5 7.e5–/+; 6.e5 Ne4=+). monas – Ridgereeno, ChessWorld.net, 2005.

4.c3 Nb5?? 5.a4?? Nd6=+ 6.Qf3 Nf6 7.Bd3 Nde4 8.Be4+= Ne4 9.Qe4+/– d6 10.Nf3 f6 11.d4 Qe7 12.0–0+– Bg4?? 13.Qg4 f5 14.Qf5 ed4 15.Re1 Rd8 16.Re7 Be7 17.cd4 Rf8 18.Qh5 g6 19.Qh6 Rh8 20.d5 Bf8 21.Qh3 c6 22.Qe6. Goof – KaiKerling, ChessWorld.net, 2005.

4.c3 Nb5?? 5.Bb5 Nf6 6.d4 c6 7.de5 Ne4 8.Bd3 Nc5 9.Bc2 Ne6 (9...d6 10.Bf4 Ne6 11.Bg3+–) 10.Nf3 Qa5 (10...d5 11.0–0+–) 11.0–0 Nc5 (11...Be7 12.Qd2+–) 12.Ng5 g6 (12...Ne6 13.Re1 h6+–) 13.Qf3 Na4 (13...f5 14.ef6 Ne6+–) 14.Qf7 Kd8 15.Ne6! de6 (15...de6 16.Bg5 Mate attack) 16.Bg5 Be7 17.Qe7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.c3 Ne6 5.Nf3 a6 (better is 5...Nf6!?=) 6.ba6+= b6 7.Ne5 c6 8.f4 Ba6 9.Ba6 Ra6 10.d4 b5 11.0–0 Nc7 12.Qb3 Qf6 13.f5 h6 14.Bf4 Bd6? (better is 14...d6 15.Nd3 Ra8+–) 15.Ng4 Qh4 16.Bd6 Qg4 17.Bc7 Qe4 (17...Nf6 18.Nd2 0–0+–) 18.Na3 f6 (18...Ne7 19.Rae1 Qd5 20.Qd5 cd5 21.Nb5 Ra2 22.Nd6 Kf8+–) 19.Rae1 Qe1 20.Re1 Ne7 21.Bd6 (21.Bd6 Ra7 22.Re7 Kd8 23.Nb5 Rb7 24.Qa3 Rb8 25.Qa5 Rb6 26.Qb6 Kc8 27.Qc7) 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.Nf3 Bc5 5.Bb2 Ne6 (5...Nf3 6.Qf3 d6 7.Bc4=) 6.c3 (6.Be5!? Nf6 7.d4+/–) 6...Nf6 7.d4 ed4 8.cd4 Bb4 9.Bc3 Bc3 10.Nc3 0–0 11.Bd3 d6 12.0–0 Nf4 13.Bc2 Bg4 14.h3 Bh3 (better is 14...Bh5!?=) 15.gh3+/– Nh3 (15...Qd7 16.Qd2 N6h5 17.Ne2 Nh3 18.Kh1+/–) 16.Kh2 Nf4 17.Rg1 N6h5 18.Nd5 (18.Rg4 a6+/–) 18...Qd7 (18...Nd5 19.ed5 Qf6 20.Rg4+=) 19.Nf4 Nf4 20.Rg3 (20.Rg5 Qh3 21.Kg1 Qe6+/–) 20...d5 (20...Qb5 21.Nh4+=) 21.e5 (21.Qd2 Qd6+/–) 21...f6 22.Qd2 fe5 23.de5 (23.Ne5 Qb5 24.Rag1+–) 23...Nh5? (better is 23...Qb5!? 24.Rb1 Qc6+/–) 24.Rh3 Qg4?? (better is 24...g6+–) 25.Rg1 (25.Rg1 Qf4 26.Qf4 Nf4 27.Bh7 Kf7 28.Rh4+–) 1–0. Fournier,Frederic (1980) – NN, jeu.europe–echecs.com, 2013.

2.e4?? d5

3.c3 de4 4.Bc4 a6 5.Ne2 Nf6 6.0–0 g5 7.Ng3 Bg4 8.Qa4 b5 9.Bb5+= Nfd7? 10.Na3 c6 (11.Bc6 Nc6 12.Qc6 h5+–) 0–1. blammey – nwishn (1940), net–chess.com, 2006.

3.Nc3 d4 4.Nce2 Bb4 5.Nf3 Qd6 6.Ng3 Bg4 7.Nf5 Bf5 8.Bd3?? Nf6 9.ef5 Nc6 10.a3–/+ Bc5 (11.0–0 0–0–+) 0–1. scmorgan – ajeffries (1645), net–chess.com, 2006.

3.Bd3? Qd6 4.c3 c5 5.Bb5 Kd8 6.Qe2 de4 7.bc5 Qc5?? 8.Ba3+– Qb5?? 9.Qb5 a6 10.Qd5 Ke8 11.Bf8 Kf8 12.Qd6 Ke8+– 13.Qe5 Kd8 14.Qg7 Ne7 15.Qh8 Kd7 16.Qh7 Nbc6 17.Qf7 Kd6 18.Qf4 Ke6 19.Qe4 Kf6 20.Nf3 Bf5 21.Qh4 Ke6 22.Nd4 Ke5 23.Qg3 Kd5 24.Qf3 Kc4 25.Na3 Kc5 26.Nc6 bc6 27.Qe3 Kd5 28.Qe7 Rb8 29.Qc7 Re8 30.Kd1 Re4 31.Qa5 Kd6 32.Qf5 Re5 33.Nc4 Kd5 34.Nb6 Kd6 35.Qf6 Kc5 36.Qe5 Kb6 37.Rb1 Ka7 38.Qd4 Ka8 39.Re1 a5 40.Qb6 c5 41.Qb8# (41.Qa5#) 1–0. esdras (1645) – idontknow, net–chess.com, 2007.

3.ed5= Nd7 4.a3 Bd6 (4...Ngf6 5.Nc3=) 5.c4 Ndf6 (5...a5 6.c5 Be7 7.Bb2+=) 6.Nc3 (6.Bb2+/–) 6...g5? (better is 6...a5!? 7.Bb2 Bg4+=) 7.c5 Bg4? (better is 7...Be7 8.Qe2 Nd5 9.Qe5 Ngf6+–) 8.f3 Qd7 (8...Bf5 9.g4 Bg6 10.Bb5 Kf8 11.cd6 Qd6+–) 9.fg4 Ng4 (9...Bf8 10.Bb5 c6 11.dc6 bc6+–) 10.cd6 cd6 (10...h5 11.dc7 Qc7+–) 11.Bb5 Qb5 12.Nb5 a6 13.Nc7 Kd8 14.Na8 h5 15.Qc2 N8f6 16.Qc7 Ke8 17.Qb8 Ke7 18.Qh8 Nd5 19.Qh5 Ngf6 20.Qg5 Kf8 21.Nc7! e4 (21...Nc7 22.Qf6 Deflection) 22.Nd5 Nd5 23.Qd5 b5 24.Bb2 a5 25.Qd6 Ke8 26.Bf6 ab4 27.Qd8# 1–0. glovio (1605) – jessie49, gameknot.com, 2013. (=1.e4 e5 2.b4 d5)

3.ed5=+ Nf6 4.a3 Bg4 5.Ne2 Nd5 6.h3 Bh5 7.g4 Bg6 8.Bg2 c6 9.Bb2 f6 10.Ng3 Be7 11.Nc3 Nc3 12.Bc3 c5?? 13.Bb7