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1.b4 e5 2.Bb2 f6

(...)

3.a3 Be7 4.e3 d5 5.d3 c6 6.Nf3 Be6 7.Be2 Bd6 8.Nbd2 Nd7 9.c4 Ne7 10.0–0 0–0 11.Rc1 Bf7 12.cd5 cd5 13.Rc2 Rc8 14.Qb1 Rc2 15.Qc2 Bc7 16.Rc1 Bb6 17.d4 e4 18.Ne1 Nc6 19.Qb1 Qe7 20.Nb3 Qd6 21.Nc5 Bc5 22.bc5 Qe6 23.Nc2 Rc8 24.Nb4 Nb4 25.ab4 a6 26.b5 ab5 27.Bb5 Nf8 28.Bc3 Rb8 29.Qa1 Be8 30.Be8 Re8 31.Qa7 Qe7 32.Rb1+– (32.Rb1 Qe6 33.Qb7+–) 1–0. exp2005 – mateicristian, internet, 2011.

3.b5 e4 4.Nc3 d5 5.d3 Bb4 6.e3 Bc3 7.Bc3 c6 8.de4 Nh6 9.Qh5 g6?? 10.Qh6 de4 11.Qg7 cb5 12.Qh8 (12.Qh8 Kf7 13.Qd8 Nd7 14.0–0–0 Ne5 15.Qc7 Ke6 16.Rd6 Kf5 17.Qe7 Kg5 18.Qf6 Kh6 19.Qf4 Kh5 20.Qe5 Kh6 21.Qf4 Kh5 22.Bf6 Be6 23.Qg5#) 1–0. Van Rooijen,Peter (2065) – Klein,Gabi (1725), ETC–S.11 remoteschach.de, 2005.

3.b5 Qe7 4.e3 Qb4 5.Ba3 Qa4 6.Bf8 Kf8 7.Nf3 d6 8.Nc3 Qa3 9.Bc4 Ne7 10.0–0 Bd7 11.Ne1 a6 12.Nd3 ab5 13.Nb5 Bb5 14.Bb5 c6 15.Bc4 d5 16.Bb3 e4 17.Nf4+= Nd7 18.f3 Nc5 19.fe4 Ne4 20.Ne6 Kf7 21.Nd4 Rhe8 22.d3 Nc5 23.e4 Ng6 24.ed5 Nb3 25.ab3 Qa1 26.Qa1+= Ra1 27.Ra1 cd5 28.Ra7 Re7 29.Nf5 Rd7 30.Kf2 Ne5 31.h3 g6 32.Nd4 Ke7 33.Ke3 g5 34.Nb5 Ke6 35.c4 dc4 36.dc4 Rd3 37.Ke2 Rd7 38.Ra8 Kf7 39.Nc3 Re7 40.Nd5+= Rd7 41.Rh8 Kg7 42.Rb8 Nc6 43.Ke3 1–0. elsh1403 – lifeguardjaro, internet, 2011.

3.c3 Nc6 4.e3 Bb4?? (better is 4...d5=) 5.cb4+– Nb4 6.Qc1 Ne7 7.a3 Nbd5 8.Nf3 f5? (8...d6 9.d4+/–) 9.Be2 (9.Be5 0–0+–) 9...f4? (9...d6!?+/–) 10.0–0 (10.e4!? Nf6 11.Be5 Nc6 12.Bf4 Ne4+–) 10...fe3 11.de3 Rf8? (11...d6 12.Rd1 Bd7 13.Qc2+–) 12.Nc3 (12.Be5 g6+–) 12...e4? (12...d6 13.Rd1 Be6 14.Nd5 Nd5 15.Be5 de5 16.e4+– (16.Ne5?! Qf6 17.f4 c6+/–)) 13.Nd5 (better is 13.Ne4 Nf5+–) 13...ef3 (13...Nd5 14.Nd2 Qe7 15.Qc4+–) 14.Bf3 (better is 14.Nc7 Kf7 15.Bd3 fg2+–) 14...Nd5 15.Rd1 (better is 15.Bd5 c6 16.Bg7 cd5 17.Bf8 Kf8 18.Qc5 Qe7 19.Qd5+–) 15...Ne3?? (better is 15...Rf3 16.gf3 Qg5 17.Kf1 d6+=) 16.Qe3+– (16.Qe3 Qe7 17.Qd3+–; 16.fe3?! d6+–) 1–0. Fournier,Frederic (2000) – shamat1, Active Blind, 2008.

3.c3 Bd6 4.e4 Ne7 5.Bc4 a6 6.Qg4 (6.Qb3 Rf8+=) 6...Ng6= 7.h4 (7.Bd5 Be7=) 7...b5 (7...Bb4!? 8.cb4 d5=+) 8.Bb3 (8.h5 bc4 9.hg6 h5 10.Rh5 Rh5 11.Qh5 Bf8+/–) 8...Bb7 (8...Bf8!?=) 9.h5+= Nf4 10.Qg7 Rf8 11.Bc2 Nc6 (11...Rf7 12.Qh8 Bf8 13.g3+/–) 12.Qh7 (12.g3 Ng2 13.Kf1 Bb4 14.Qh7+–) 12...Ng2+/– 13.Kf1 Nf4 14.h6 (14.Ne2 Rf7 15.Qh8 Rf8+/–) 14...Ne7 (14...f5 15.Ne2 Qg5 16.Nf4 Qf4 17.Qg6 Kd8 18.Qg3 Qg3 19.fg3 fe4 20.Ke2+/–) 15.Qg7 Neg6 16.h7 Qe7 17.Qh6 0–0–0 18.a4 Rh8 19.ab5 ab5 20.Na3?? Qf7?? 21.d3?? c6?? 22.Ne2+/– Bf8 23.Qh2 Kc7 24.Nf4+– Nf4 25.Bc1 Ne6 26.d4 d6 27.d5 cd5 28.Nb5 Kb6 29.Na7 d4 30.c4?? Nc7?? 31.Bd3 Ra8+= 32.c5?? dc5–+ 33.bc5 Bc5 34.f3 Ra7 35.Ra7 Ka7 36.Qd2? Kb8 37.Qa5 Qe7 38.f4?! f5 39.ef5 Bh1 40.fe5 Qe5 41.Ba3 Qf4 42.Ke1 Qe3 43.Be2 Ba3 0–1. pinecrest1981 – PrincipalFoe, Live Game Caissa's Web, 2004.

3.Bc3 d5 4.e3 Nh6 5.a3 Nd7 6.Nf3 a6 7.Be2 c5 8.bc5= Bc5 9.0–0 0–0 10.d4+= ed4 11.ed4 Bd6= 12.Bd2 Nf5 13.c4 dc4 14.Bc4 Kh8 15.Be6 Nb6= 16.d5 Be6 17.de6 Ne7 18.Qb3 Bc7 19.Bb4 Qd5 20.Qd5 Nbd5 21.Be7 Ne7 22.Re1 Ba5 23.Re2 Rac8 24.Nbd2 Rc2 25.Rd1 Rd8=+ 26.Kf1 g5 27.g4 Rc3 28.Re3 Re3 29.fe3 Nd5?? 30.Nc4+/– Bc7? 31.e4?? Ne7? 32.Re1?? Kg7 33.e5+= b5 34.ef6 Kf6 35.Ncd2 Bh2?? 36.Ne4+– Ke6 37.Nh2 h6 38.Ng5 Kd7 39.Ne6 Rc8 40.Nf3 Rc3 41.Nfd4 Ra3 42.Nc5 Kd6 43.Ne4 Kd5+/– 44.Nc2 Rf3 45.Nf2 Nc6+/– 46.Ne3 Kc5 47.Rc1 Kb6 48.Nd5 Kb7 49.Kg2 Ra3? 50.Re1 Nd4 51.Nb4 Ra4 52.Nfd3+– Ra3 53.Re7 Kc8?! 54.Nc5 a5 55.Nba6 Ra2 56.Kh3 Re2 57.Rf7 Ne6 58.Ne6 Re6 59.Nc5 Rc6+= 60.Rf5 a4= 61.Ne4 Rb6 62.Rc5 Kd7 63.Nc3 a3 64.Nb5 a2 65.Rc7 Ke8 66.Ra7 ½–½. Steve20 – jammboy, ChessWorld.net, 2006.

3.c4 d6 (--> 1.b4 e5 2.Bb2 d6 3.c4 f6).

3.d3 d5 4.e3 (--> 3.e3 d5 4.d3).

3.e3 b6 4.a3 a5 5.ba5 Ra5 (worse is 5...ba5 6.Be5 Nc6 7.Bc3+/–) 6.Nc3 c6 7.Nf3 (7.d4 ed4 8.ed4 d5=) 7...d5+= 8.d3 Be6 9.Be2 g6 10.0–0 Bg7 11.Qd2 g5 12.h3 h5 13.Nh2 Ne7 14.Qd1 Bf7 15.Bf3 (15.d4!?+=) 15...f5–/+ 16.Ne2? (16.d4 g4 17.Be2 gh3 18.gh3 Ng6 19.de5 Ne5–/+) 16...Qd7 (16...g4 17.hg4 hg4 18.Ng4–+) 17.c4? (better is 17.Nc1–/+) 17...g4–+ 18.hg4 (18.Bc3 Ra8 (18...gf3?! 19.Nf3 dc4 20.Ba5 ba5 21.Rb1–/+) 19.Ng3 gf3 20.Nf3 Qd6–+) 18...hg4 (18...dc4?! 19.gf5 cd3 20.Nf4 Qf5 21.Nd3+=) 19.cd5 gf3 20.Nf3 cd5 (better is 20...Rd5!? 21.Nf4 Qd6 22.Ng5 ef4 23.Bg7–+) 21.Be5 Be5 22.Ne5 Qd6 23.d4 Qh6 24.f4 Ng6 (24...Bh5 25.Kf2 Be2 26.Qe2 Qh4 27.Kg1–+) 25.Ng6 Bg6 26.Kf2 Qh4 27.Ng3 Nd7 28.Rh1 Qh1?? (better is 28...Qf6–/+) 29.Nh1+– 1–0. Fournier,Frederic – telegin1, Active, 2012.

3.e3 Nc6 4.d4 d6 5.f4 Bd7 6.d5 Nce7 7.fe5 fe5 8.e4 Ng6 9.Nf3 Nf6 10.Nc3 Ng4 11.Qd2 Be7 12.0–0–0 (12.Bc4!?=) 12...Nh4+= 13.Kb1 Nf3 14.gf3 Bg5 15.Qe2 Ne3 16.Re1 Nf1 17.Qf1 a6 18.Ne2 (18.Bc1 Bc1 19.Rc1 Rf8+=) 18...Rf8 19.Qg2 Qe7 20.Ref1 0–0–0 (20...a5 21.ba5 Ra5 22.Bc1 Bc1 23.Rc1–/+) 21.Rhg1 Be3 22.Qg7 Rf7 23.Qg3 Bg1 24.Qg1 Kb8 25.Bc1 Rg7 26.Qf2 Bh3 27.Rg1 Rg1 28.Qg1 Qf7 29.Qe3 Bd7 30.f4 ef4 31.Nf4 Re8 32.Qd4 Qe7 33.Nh5 Qe4 34.Qe4 Re4 35.Nf6 (35.Ka1 Re2 36.Kb2 Rh2–+) 35...Re7 (better is 35...Rb4 36.Bb2 Bf5–+) 36.Nd7 Rd7 37.Bf4 (37.Kb2 Re7–+) 37...b5 (37...Rf7 38.Bg3–+) 38.a3? (better is 38.Bh6–+) 38...Rf7 39.Bg3 Rf5 40.c4 (40.Kb2 Rd5 41.Bf2 Rd2–+) 0–1. Becker,Johnny – Ziegler,Ari (2315), SEM Ludweiler MBT/4, 1994.

3.e3 e4 4.Qg4 (4.Nc3 Nc6=) 4...d5 (4...Bb4 5.Qg7 Bd2 6.Nd2+–) 5.Bb5 c6 6.Qe2 cb5 7.Nc3 a6 (better is 7...Bb4!? 8.Qb5 Nc6 9.Qd5 Qd5 10.Nd5–+) 8.Qh5 g6 9.Qd5 Qc7 (9...Bb4 10.Qe4 Qe7 11.Qe7 Ne7–/+) 10.Qe4–/+ Ne7 (better is 10...Qe7!?–/+) 11.Nd5= Qc6 12.Bf6 Be6 (12...Bf5 13.Qe5 Qd5 14.Bh8 Qg2–+) 13.Nc7!!+– (13.Bh8 Bd5 14.Qe5 Bg2–+) 13...Qc7 14.Qe6 (14.Bh8 Bd5 15.Be5 Qc6–+ (15...Be4 16.Bc7 Bg2 17.a4–+)) 14...Nd7 (14...Bg7 15.Bg7 Rg8 16.Bf6+–) 15.Bh8 Qc2 16.Nf3 Qa4 17.Bc3 0–0–0 18.Ng5 Re8 19.Nh7 Bh6 20.f4 Qc2 21.0–0 Kd8 22.Rfc1 Qd3 23.Nf6 Nf6 24.Qf6 Rf8 25.Qd4 Qd4 26.Bd4 Nd5 27.a3 g5 28.Rc5 Rf5 29.g4 gf4 30.gf5 fe3 31.Rd5 Ke8 32.Be3 Bg7 33.Rc1 Kf7 34.Rc7 Kf6 35.Rb7 Bf8 36.Ra7 a5 37.Ra5 Be7 38.Rab5 Kf7 39.Rb6 Kg7 40.Bc5 Bf6 41.Bd4 Bd4 42.Rd4 Kf7 43.Rh4 Ke7 44.Rh7 Ke8 45.Rb8 1–0. Buresch,Rene – Franziska,Franzi, remoteschach.de, 2002.

3.e3 g5 (---> 1.b4 g5 2.Bb2 f6 3.e3 e5).

3.e4 Na6 4.Bc4 Ne7 5.Qh5 g6 6.Qh4 Nb4 7.Qf6+/– Rg8?? 8.Qf7# 1–0. Trkn – Gillian S, itsyourturn.com, 2000.

3.e4 Bd6 4.Bc4 (4.c3 Bf8=) 4...c6 (4...Bb4!? 5.Bg8 Rg8 6.Qh5 Kf8 7.Qh7 Ke7=) 5.a3+= Qb6 (5...Qe7 6.Nf3+=) 6.Qh5 (6.Bg8 Rg8 7.Qh5 Kf8 8.Qh7 a5+/–) 6...g6 7.Qh4 Be7 (7...Bf8 8.Nf3+/–) 8.f4 (better is 8.Bg8 Rg8 9.Qh7+–) 8...d6+= 9.f5! d5 (9...gf5 10.Qh5 Double attack (10.Qh5 Decoy)) 10.fg6+– (10.ed5?! Bf5 11.d3 a5+=) 10...f5? (10...h5 11.ed5 f5+–) 11.Qh5 (better is 11.Qh7 Rh7 12.gh7+–) 11...Nf6 (11...Kf8 12.Be5 Bf6 13.Bf6 Nf6 14.Qh6 Ke8+–) 12.g7 Nh5 13.gh8Q (13.gh8R?! Bf8 14.ed5 Nf4+/–) 13...Kd7 14.ed5 cd5 15.Bd5 Nf4 (15...Nf6 16.Bb3 Qc6 17.Nf3 Qe4 18.Kd1+–) 16.Qe5 Nd5 (16...Qd6 17.Bf3 Qe5 18.Be5+–) 17.Qd5 Ke8 18.Nf3 (better is 18.Qg8 Bf8+–) 18...Nc6 (18...Be6 19.Qe5+–) 19.b5 (better is 19.Qg8!? Kd7+–) 19...Nd8 20.Bd4 (20.Nd4 Bh4 21.Kd1 Qg6+–) 20...Qd6 (20...Qe6 21.Qe6 Ne6 22.Be5+–) 21.Qd6 (21.Qg8!? Bf8 22.Qh7 Be6+–) 21...Bd6 22.c4 Be6 23.d3 Nf7 24.Bf6 Kd7 25.Nbd2 Re8 26.Kf2 Bc5 27.d4 Bb6 28.c5 Bc7 29.Rhe1 Nh6 30.h3 Rg8 31.Ng5 Bd5 32.Re7 Kd8 33.Rg7 Kc8 34.Re7 Bd8?? 35.Re5 Bf6 36.Rd5 Bg5 37.Nf3 Bf6 38.Re1 Rd8 39.Rd8 Kd8 40.Re6 Bg7 41.d5 1–0. Huelle,Gunter (1785) – Eichhorn,Mike, Leipzig VfB op, 2009.

3.e4 Be7 4.Bc4 Nh6 5.Qh5 Kf8 6.Ne2 Qe8 7.Qf3 Qg6? 8.a3 d6 9.Nbc3 Bg4 10.Qe3 Nd7 11.0–0–0 Be2 12.Qe2 c6 13.g3 b5 14.Be6 Ke8 15.f4 Nf8 16.Bb3 Kd7 17.d4 ef4 18.gf4 Ne6?? 19.Rhf1 Nc7 20.d5 Rae8?? 21.dc6 Kc6 22.Qf3 Kd7?? 23.Nd5 Nd5 24.Rd5 a6 25.e5 fe5+/– 26.fe5 Rhf8 27.Qh3 Ng4 28.Rfd1 Rc8?? 29.Rd6+– Bd6 30.Rd6 Qd6 31.ed6 h5 32.Bg7 Rf2 33.Qh5 Nh2 34.Qh7 Rf1 35.Kb2 Kd6 36.Qd3 Ke7 37.Qe4 Kd6 38.Be5 Ke7 39.Bh2 Kd7 40.Be6 Ke7 41.Bc8 Kf7+– 42.Qd5 Kf6 43.Be5 Kg6 44.Qe6 Kg5 45.Qg8 Kh4 46.Bf6! Kh5 47.Qg5 1–0. bratek55 (1690) – edaname, internet, 2011.

3.Be5 fe5 0–1. Kern,Michael – Zelinski,Paul, IECG.

3.f3 Bb4 4.c3 Bf8 5.e4 –/+.

3.f3 d5 4.Nh3 (better is 4.a3!?–/+) 4...Bh3 5.gh3 Bb4 6.c3 Be7 7.Qb3 b6 8.Rg1 g6 9.c4 Bc5 10.cd5?? (better is 10.e3 d4 11.e4–+) 10...Bg1–+ 11.Nc3 Bd4 (11...Nd7 12.Qc4–+) 12.Qb4 (12.e3 Bc3 13.dc3 Ne7–+) 12...Bc3 (12...Ne7!? 13.e3 Bc3 14.Qc3 Nd5 15.Bb5 c6 16.Bc6 Kf7 17.Bd5 Qd5 18.Qb3 Qb3 19.ab3–+) 13.Bc3 Qd5 14.e4 Qd6 (14...Qd7 15.f4 Nc6 16.Qb5–+) 15.h4 (15.Qd6 cd6 16.d4 Ne7–+) 15...Qb4 16.Bb4 c5 17.Bc3 Kd8 (17...Nc6 18.h5–+) 18.a4 a5 (18...Nc6 19.a5 ba5 20.Ba5 Na5 21.Ra5–+) 19.Rb1 Kc7 20.Bb5 (20.h5 Nc6–+) 20...Nc6 21.d3 Na7 22.Rb3 Nb5 23.ab5 a4 24.Ra3 Ne7 25.h3 Nc8 26.h5 Nd6 27.hg6 hg6 28.Bb2 Nb5 29.Kd1 Na3 30.Ba3 Rh3 31.Bc1 Rf3 32.d4 cd4 33.Bh6 a3 34.Bg7 a2 35.Bf6 a1Q 36.Ke2 Qf1 37.Kd2 Ra2# 0–1. legion420 – StillBill, Live Game Caissa's Web, 2004.

3.Nf3 Ne7 4.e3 Ng6 5.a3 d5 6.d3 Bd6 7.Nbd2 0–0 8.c4 dc4 9.Nc4 Be7 10.Be2 Be6 11.0–0 a6 12.d4 e4 13.Nfd2 f5 14.f3 Bg5 15.fe4 Bc4? 16.Nc4 fe4+/– 17.Rf8 Nf8? 18.Qb3?? Kh8?? 19.Ne5+– Qf6 20.Nf7 Kg8 21.Ng5 Kh8 22.Nf7 Kg8 23.Bc4 Nc6 24.Rf1 Qe7 25.d5 Nd8 26.d6 cd6 27.Nd8 Kh8 28.Nf7 Kg8 29.Nd6 Kh8 30.Rf7 (30.Rf7 Qg5 31.Rg7 Qg7 32.Qc3 Ne6 33.Be6 Qc3 34.Bc3; 30.Nf7 Qf7 31.Rf7 Ne6 32.Be6 Rg8 33.Bg7 Rg7 34.Rf8 Rg8 35.Rg8) 1–0. horacyad2010 – dobrodruh, internet, 2011.

3.f4 Bd6 4.fe5= Be5 5.Be5 fe5 6.a3 Qf6 (better is 6...d5+=) 7.Nf3?? (better is 7.e3=) 7...e4–+ 8.Nc3 ef3 9.ef3 d6 10.Be2 Ne7 11.0–0 0–0 12.d3?? (12.Bc4 Kh8 13.Qe2 Nbc6–+) 12...Qg6 (better is 12...Qc3 13.Ra2 Nbc6–+) 13.f4 Bh3 14.Bf3 Bg4?? (better is 14...Nbc6–+) 15.Bg4+/– h5 (better is 15...Nbc6!?+/–) 16.Bf3 Nf5?? (16...Nbc6 17.Nd5 Nd5 18.Bd5 Kh8 19.Bc6 bc6 20.Qf3+–) 17.Kh1 (17.Bb7 Nd7 18.Ba8 Ra8+–) 17...Nh4?? (better is 17...c6 18.Bh5 Qh6+/–) 18.Bh5 (better is 18.Bb7 Nd7 19.Qe1+–) 18…Qg2 0–1. Fournier,Frederic (1865) – tooc (1695), Active (1/0), 2004.

3.a3 Na6

4.c3 c5 5.e3 Nc7 (5...d5 6.Bb5 Kf7 7.Ba6 ba6 8.d4 ed4 9.ed4 cd4 10.cd4=) 6.Nf3 (6.bc5 d6+=) 6...Ne6 (6...e4 7.Nh4 d5 8.Qh5 Kd7+–) 7.d4+= Qc7 (7...ed4 8.ed4 cb4 9.ab4+=) 8.d5 (8.bc5 d6+/–) 8...Ng5 (8...Nd8 9.Nbd2+=) 9.Nbd2 (9.Ng5 fg5 10.Qh5 g6 11.Qg5+/–) 9...e4? (better is 9...Nf3 10.Qf3 Ne7+=) 10.Ng5+– fg5 11.Qh5 g6 12.Qe2 Bg7 13.Ne4 Nf6 14.Nc5 b6 15.Nb3 0–0 (15...Nd5 16.c4 Nf6 17.c5+–) 16.c4 a5 17.b5 a4 18.Nc1 (18.Nd4 g4+–) 18...d6 19.f4?? (better is 19.f3+–) 19...Bg4 (19...gf4 20.Ra2=+ (20.ef4?? Re8 21.Be5 de5–+)) 20.Qf2 Ne4 21.Qc2 Rae8 (21...Bb2 22.Qb2 gf4 23.ef4 Rae8=+) 22.h3 (22.Be2 Bb2 23.Qb2 Be2 24.Ne2 (24.Qe2 Qg7 25.Qa2 Qc3 26.Ke2 Nf2–+) 24...gf4 25.0–0 (25.Nf4 Rf4 26.g3 Ng3 27.hg3 Re3 28.Kd1 Rd3 29.Ke1 Qe7 30.Qe2 Re4–+) 25...fe3 26.Rf8 Rf8 27.Qc2–/+) 22...Bb2 23.Qb2 Ng3 24.hg4 Nh1 25.fg5 Re3 26.Be2 (better is 26.Kd2 Qe7 27.Be2–+) 26...Rf1?? (better is 26...Qc4! 27.Qb4 Qd5–+) 27.Kd2?? (27…Rc1 28.Rc1+= (< 28.Qc1 Qe7–/+; 28.Kc1? Ng3–+); better is 27.Kf1 Ng3 28.Kf2+–) 1–0. garyp – MATRIXX2, Live Game Caissa's Web, 2004.

4.c3 d5 5.e3 =.

4.e4 c5 5.b5 Nc7 6.c4 a6 7.ba6 Ra6 8.d3 b6 9.Nc3 Bb7 10.Be2 Nh6 11.h3 Ne6 12.Nd5 Bd5 13.cd5 Nd4 14.Nf3 b5 15.Nd4 cd4 16.0–0 Bc5 17.f4 0–0 18.Qb3 Rb6 19.fe5 fe5 20.Rf8 Qf8 21.Rf1 Qe7 22.d6 Qf7?? (better is 22...Qe6 23.Qe6 de6+/–) 23.Rf7+– Nf7 24.Bg4 Rb7 (24...b4 25.Qc4 Bd6 26.Bd7 Bf8+–) 25.Qd5 Ra7 26.Qc5 Ra6 27.Qc8 (27.Qc8 Nd8 28.Qd8 Kf7 29.Qd7 Kg6 30.Qf5 Kh6 31.Qh5) 1–0. Fournier,Frederic (1785) – jr.com, rated blitz game (2/12), 2002.

4.e4 d5 +=.

3.a3 g5

4.e3 b6 5.Bc4 Nh6? 6.Qh5 Ke7 7.Nc3 Qe8?? 8.Nd5+– Kd8 9.Qe8 Ke8 10.Nc7 (10.Nc7 Kd8 11.Na8+–) 1–0. Wall,Bill – SpaceCowboy, internet, 2000.

4.e3 Nh6 5.d4 Bg7 6.Qh5 Nf7 7.de5 +/–.

4.e4 Ne7!? +=.

4.e4 h6 5.Qh5+/– Ke7 6.Bc4 d6?? 7.Qf7# 1–0. Wall,Bill – MeatLover, Internet, 2002.

3.a3 g6

4.e3 d5 5.d3 Be6 6.Nd2 Bd6 7.Be2 Nd7 8.Ngf3 Ne7 9.c4 dc4 10.Nc4 Nb6 11.Nd6 Qd6 12.0–0 Nbd5 13.Qc2 0–0 14.d4 Nb6? 15.de5+– fe5 16.Rfd1 (16.Rfd1 Qc6 17.Qc6 Nc6 18.b5+– (< 18.Be5 Rf3 19.Bf3 Ne5+/–)) 1–0. exp2005 – kryeziu, internet, 2011.

4.e4+= a6 5.Nf3 b5 (5...c5 6.bc5 Bc5 7.d4 ed4 8.Nd4+=) 6.d4+/– Bd6 (6...ed4!? 7.Nd4 c5 8.bc5 Bb7+=) 7.de5+– fe5 8.c4 Nf6 9.Nbd2 Nc6 (9...Bb7!?+/–) 10.cb5+– ab5 11.Bb5 Bb7 12.Nc4 Ne4 13.0–0 (13.Nfe5?! Ne5 14.Ne5 Qg5+/–; 13.Nce5?! Ne5 14.Ne5 Qg5+/–) 13...h5 (13...Rf8+–) 14.Qd3 Nf6 (14...Ne7 15.Nce5 0–0 16.Nd7 Rf7+–) 15.Qg6 Kf8 16.Bc6 Bc6 (16...dc6 17.Nfe5 Rh7 18.Nf3+–) 17.Nfe5 Bd5 (17...Qe7 18.Nd6 cd6 19.Nc6 dc6 20.Bf6+–) 18.Nd6 cd6 19.Nd7! Ke7 (19...Nd7 A pinning theme 20.Qd6 A double attack) 20.Nf6 Bc6 Plans Qf8 21.Rfe1 Kf8 Black threatens to counter with Ra7 22.Nh5 1–0. Woelfelschneider,Peter – Rodion, 2009.

4.f4 ef4–/+ 5.Nf3 b6 6.c4 Bb7 7.e3 Bf3?? (better is 7...Qe7–/+) 8.Qf3+/– (worse is 8.gf3 a5+=) 8...g5?? (better is 8...c6!? 9.ef4 a5+/–) 9.ef4 (9.Qe4 Be7 10.Qa8 fe3 11.Qa7 ed2 12.Nd2 Nc6+–) 9...gf4?? (9...Qe7 10.Kd1 c6 11.Bd3+–) 10.Qf4 (better is 10.Qa8 Nc6 11.Qd8 Nd8 12.Be2+–) 10...Bg7 (10...Bd6 11.Qf3 Nc6 12.d4+–) 11.g3 (11.Be2 Ne7+–) 11...h5 12.Bg2 c6 13.0–0 Rh6 (13...Ne7 14.Nc3 0–0 15.Rae1+–) 14.d4 (14.Nc3 a5+–) 14...d5 (better is 14...h4+–) 15.cd5 cd5 16.Nd2 (better is 16.Re1 Ne7 17.Nc3 a5 18.Bd5 Ra7+–) 16...Nd7? (16...Ne7 17.Nc4!+–) 17.Nf3 (17.Bd5!? Ne7 18.Ba8 Qa8+–) 17...Rc8 (17...Nf8 18.Nh4 Ng6 19.Rae1 N6e7 20.Nf5+–) 18.Nh4 Rc2 (18...Ne7 19.Nf5 Nf5 20.Qf5+–) 19.Rab1 (19.Rae1 Ne7 20.Nf5 Rh8+–) 19...Qe7 (19...Qb8 20.Qe3 Kd8+–) 20.Nf5 Rg6 (20...Qf8+–) 21.Ne7 Ke7 (21...Ne7 22.Rfe1 Kd8+–) 22.Qf5 Kf7 23.Qc2 (23.Qc2 Ne7 24.Qc7+–; 23.Qd7 Ne7 24.Bd5 Kf8 25.Qd8) 1–0. Fournier,Frederic (1670) – pithpossum, Active, 2005.

3.Ba3 Nc6

4.b5 Ba3 5.Na3 Qe7 (5...Nd4 6.e3 Ne6 7.Qh5 g6 8.Qe2=) 6.Nb1 Nd4 7.e3 Nf5 8.Nc3 c6 (8...d6 9.Nd5 Qd8 10.Bc4=) 9.e4 Nd4 10.Nf3 d6 11.bc6 bc6 12.Bc4 (12.Rb1 Bg4=) 12...Bg4=+ 13.Be2 Be6 (13...Ne2 14.Qe2 Rb8 15.0–0=) 14.Nd4 (14.Rb1 Nf3 15.Bf3 Nh6=) 14...ed4 15.Nb1 d5 (15...Bf7 16.f3=+) 16.ed5= Bd5 17.0–0 Qb4 (17...Qe4 18.Bf3 Qf5 19.Bd5 Qd5 20.Re1 Kf7 21.Qe2+=) 18.Bf3 Ne7 19.Bd5 Nd5 20.Re1 (20.Qg4 Kf8 21.Re1 Qb2–+) 20...Kf7 (20...Kd8 21.a3 Qb2 22.c4–/+) 21.Qh5 g6 22.Qh3 f5 23.Qd3 Rae8 24.Na3 Re4 25.Nc4 Rhe8 26.Re4 Re4 27.f3 Nf4=+ 28.Qb3 Qb3 29.cb3 Re2–/+ 30.g3 Nh3 unclear. Hecker,K – Kurth,M, corr TT/5001 BdF, 1995.

4.e4 Bb4 5.Bb5 Ba3 6.Na3 a6 7.Bc6 dc6 8.Nf3 Bg4 9.h3 Bf3 10.gf3 Ne7–/+ 11.d4 ed4 12.0–0 0–0 13.Kh1? Qd6 14.Nc4? Qf4 15.Rb1 Qh4 16.Kh2 Rad8 17.Rb7 Ng6 18.Rg1 Qf2 19.Rg2 Qh4 20.Rc7?? Nf4 21.Rgg7+/– Kh8 22.Rh7 Qh7 23.Rh7 Kh7 24.Qb1?? Rb8?? 25.Qg1?? Rg8–/+ 26.Qf1 Rg2–+ 27.Kh1? Rbg8 28.Qc1 Ne2 29.Qf1 Rg1 30.Qg1 Ng1 31.Na5 c5 32.Nb7 c4 33.Nd6 d3 34.cd3 cd3 35.Nc4 Nf3 36.a3 Rc8 37.Kg2–+ Rc4 38.Kf3 d2 39.Ke2 Rd4 40.Kd1 Re4 41.Kd2 f5 42.Kd3 Re8 43.Kc4 f4 44.Kb4 f3 45.Ka5 Ra8 46.Kb6 a5 47.a4 f2 48.Kb7 Re8 49.Kb6 Re5 50.h4 f1Q 51.h5 Qf6 52.Kb7 Re7 53.Kc8 Qf8 0–1. Seimi Agus Eion – crystal palace, ChessWorld.net, 2005.

3.b5 d5

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

4.e3 Bd6 5.d4 e4 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.d4 e4 5.e3 Bd6).

3.b5 Bd6

4.a4 Ne7 5.e3 0–0 6.d4 ed4 7.Bd4 a6 8.c4 ab5 9.ab5 Ra1 10.Ba1 c6?? 11.Nf3 Qa5 12.Bc3 Qa2 13.Be2 cb5 14.cb5 b6? 15.0–0?? Bb7?? 16.Qd6+– Qe6 17.Qe6 de6 18.Nd4 e5 19.Nf3 Nf5 20.Rd1 Rc8 21.Ba1 h6 22.Nfd2 Nd7 23.Bg4 g6 24.e4 h5 25.ef5 hg4 26.fg6 Kg7 27.f3 gf3 28.Nf3 Nc5 29.Rd6 Bf3? 30.gf3 Nb3 31.Bb2 Rb8 32.Nc3 Nd4 33.Nd5 Nb5 34.Rb6 Rb6 35.Nb6 Kg6 36.Kg2 Nd6 37.Nd5 Nf5 38.h3 Kg5 39.Bc1 Kg6 40.f4 ef4 41.Bf4 Kf7 42.Bc1 Ke6 43.Nf4 Ke5 44.Kf3 Nd4 45.Kg3 f5 46.Bb2 Ke4 0–1. j1a9n55 – kargi25, internet, 2011.

4.e3 Ne7 5.Qh5 Ng6 6.Bd3 0–0 7.Bg6 hg6 8.Qg6 Qe7 9.Nf3 Qf7 10.Nh4 Qg6 11.Ng6 Rf7 12.0–0 c6 13.c4 cb5 14.cb5 a6 15.Nc3 b6? 16.a4 Bb7 17.Rac1 Bb4 18.Ra1 d5 19.Ba3 Bc3 20.dc3 d4? 21.cd4+– ab5 22.ab5 ed4 23.ed4 Be4? 24.Ne7 Kh7 25.Bd6 Nd7 26.Ra8 Ba8 27.Ra1 Be4 28.Ra7 Nf8 29.f3 Bg6 30.Rb7 Ne6 31.Rb6 Nd4 32.Rb8 Ne2 33.Kf2 Nc3 34.b6 Nb5 35.Bc5 f5 36.b7 f4 37.Rd8 Na7 38.b8Q Nc6 (38...Rf8 39.Rf8 Nc8 40.Qc8 Kh6 41.Qg4 Bd3 42.Qh4) 1–0. elsh1403 – szaszki, internet, 2011.

4.e4= Ne7 5.Qh5+= g6 6.Qh4 0–0 7.Bc4 Kh8 8.f4 ef4?? 9.Bf6 Rf6 10.Qf6# 1–0. pierred (2595) – eduardobandeira (2100), net–chess.com, 2008.

3.b5 g6

4.e3 Bg7 5.Nf3 d5 6.c4 Be6 7.Nc3 Ne7 8.Qb3 d4 9.ed4 ed4 10.Ne4 f5 11.Nc5 Bc8 12.Ng5 0–0?? 13.Nge6?? Be6?? 14.Ne6+– Qd7 15.Nf8 Kf8 16.Be2 d3 17.Qd3?? Bb2=+ 18.Rb1 Qd3 19.Bd3 Bd4 20.0–0 Nd7 21.Rfe1 Nc5 22.Bc2 Re8 23.a4 Kf7 24.a5 h6 25.b6 ab6 26.ab6 c6 27.Ra1? Na6 28.Ra3 Bc5 29.Rd3 Nb4 30.Rc3 Nc8 31.Re8 Ke8 32.g3? Nb6 33.Bd1 Kf7 34.Kg2 Na6 35.f4 Nc7 36.Rd3 Ne6 37.Bb3 Nd4 38.Ba2 Nd7 39.Ra3?? b6 40.Ra7 Ke7 41.d3 Kd6 42.Ra8 Nf6 43.Rd8 Kc7 44.Rf8?? Ng4 45.Rg8 Ne3 46.Kf2 Ng4 47.Kf1?? Nf3?? 48.h3–/+ Ne3 49.Ke2? Ng1–+ 50.Kd2 Nh3 51.Rg6 Ng4 0–1. elsh1403 (1695) – flakpremium, internet, 2011.

4.e4 d6 5.d4 c6 6.Nf3 Qa5 7.Qd2 b6 8.Qa5+– ba5 9.de5 de5 10.Ne5! Bb4 11.Nd2 Nh6 12.Nc6 0–0 13.Nb4 ab4 14.Bc4 Kg7 15.Bd5 Rf7 16.Ba8 Rd7 17.a3 a6 18.b6 Ng4 19.ab4 h5 20.Bd5 g5 21.b5 h4 22.Be6 Ne5 23.Be5 fe5 24.ba6 Rd8 25.Bc8 Rc8 26.b7 Rc2 27.a7 Na6 28.Ra6 Rc1 29.Ke2 g4 30.Rc1 g3 31.Rc7 Kg8 32.b8Q# 1–0. mrkt – wat, ChessWorld.net, 2004.

3.c4 d5

4.c5 Nc6 5.e3 Nb4–/+ 6.a3 Nc6 7.Qc2 a6 8.Nf3 e4 9.Nh4? Bg4?? 10.h3 Bh5 11.g4 Bf7–/+ 12.f3 ef3 13.d4 g5 14.Nf3 b6 15.cb6= Qd7 16.Bd3 cb6=+ 17.h4 Be6 18.Nbd2 Bg4 19.Nh2 Bh5 20.Nb3 Nge7 21.Bh7? Kd8 22.hg5 fg5 23.Rg1 Rh7?? 24.Qh7=+ Bg6 25.Qh8+/– Kc7 26.Rg5 a5 27.Qf6 a4 28.Nd2 Bh6 29.Rg6+– Rf8?! 30.Qf8 Bf8= 31.Rf6 Bg7 32.Rf2 Ng6 33.0–0–0 Na5 34.Rg1+/– Nb3? 35.Kb1?? Nh4 36.Ng4 Nf5 37.Nf3 Ne7?? 38.Rh1?? Qg4–+ 39.Rg1 Qe4 40.Ka2 Qe3 41.Rgf1 Nc6 42.Nh4 Ncd4 43.Rf7 Kc6 44.Rg7 Qh3 45.Bd4?? Qf1 46.Ra7 Qf4 47.Ra4 Nd4 48.Ng6 Qd2 49.Kb1 Qc2 50.Ka1 Qa4 51.Kb2 Qb5 52.Kc3 Qc4 53.Kd2 Qe2 54.Kc3 Qc4 55.Kd2 Nb3 56.Ke3 Qd4 57.Kf3 Qd3 58.Kf2 d4 59.Ne5 Kb5 60.Nd3 Ka4 61.Nf4? Ka3 62.Ke2 b5 63.Nd5 b4 64.Kd3 Ka4 65.Kc4 Na5 66.Kd4 b3 67.Kc3 Ka3 68.Kd3 b2 69.Kc2 Nc4 70.Nc3= Ne3 71.Kb1 Kb3 72.Ne4 ½–½. Pekin Dragons – wee harv, ChessWorld.net, 2011.

4.cd5 Bb4 5.Qa4 Bd7 6.Qb4 c6 7.dc6 Bc6 8.Ba3 Ne7 9.Nc3 0–0 10.Qe7 Qe7 11.Be7 Re8 12.Ba3 Nd7 13.Nf3 b6 14.g3 e4 15.Nd4 Bb7 16.Bg2 Rac8 17.0–0 Nc5 18.Ndb5 Re6 19.Na7 Ra8 20.Nab5 Rc8 21.Bc5 Rc5 22.a4 Rc8 23.Rac1 Rc5 24.Nd4 Ba6 25.Ne6 Rc3 26.Rc3 1–0. chessleon – bumeyou (2205), net–chess.com, 2006.

4.cd5 Qd5 5.Nc3 Qd8 6.e3 Bb4–/+ 7.Bb5 c6 8.Bc4 Bc3 9.Bc3 Ne7 10.Nf3 b5 11.Bb3 Bg4 12.0–0 a5 13.d4 a4 14.Bc2 Bf3 15.Qf3= Qd5 16.e4 (16.e4 Qe6 17.Rfd1=). yannigator (1920) – mduerr (1830), net–chess.com, 2010.

3.d4 Bb4–/+

4.c3 Ba5 5.e4 Ne7 6.Nd2 d6 7.Qh5 g6 8.Qf3 ed4 9.Ne2 dc3–/+ 10.Nc3 Nd7 11.Nb3 Bb6 12.Na4 Ne5 13.Qc3 Be6 14.Nb6 ab6 15.Bb5 c6 16.Bd3 0–0 17.Bc2 Nc4–+ 18.Bc1 d5 19.0–0 Qd6 20.Bh6 Rf7 21.ed5 Bd5 22.Qh3 Ne5 23.f4 Nc4–+ 24.Rf2 Qb4 25.f5–/+ g5 26.Re2 Ne5 27.a3 Ra3–+ 28.Ra3 Qa3 29.Re1 Qb2 30.Ra1 Kh8 0–1. Hecker,K – Hueser,U, corr TT/5001 BdF, 1995.

4.c3 Ba5 5.de5 fe5 6.e4 Nf6 7.Bc4 c6 8.Nf3 d5 9.ed5 cd5 10.Bb5 Bd7 11.Bd7 Nbd7 12.0–0 0–0 13.Re1 Qc7 14.Qb3 e4 15.Ng5 Nc5 16.Qc2 Ng4 17.Nd2 Qh2 18.Kf1 Rf2# 0–1. Administrator – GNUChess, 2000.

4.Bc3 Bc3 5.Nc3 d6 6.e3 Be6 7.Bd3 Ne7 8.Rb1 b6 9.Bb5 c6 10.Bd3 0–0 11.Qh5 h6 12.a4 Bf7 13.Qg4 Qe8 14.Nh3? Nd5 15.Nd5 Bd5 16.Bg6 Bf7 17.Bf5 Bh5 18.Qe4? g6–+ 19.Be6 Qe6 20.f3 f5 21.Qh4 Qc4 22.g4 fg4 23.fg4 Qc2 24.Rd1 Rf3 25.Qd8 Kf7 26.Rd2 Re3 27.Kf2 Qd2 (28.Kg1 Re1; 27...Rh3 28.Qc7 (28.Rc2?! Bg4 29.Qc7 Nd7=) 28...Ke6 29.Rc2 ed4 30.gh5 Rh5 31.Re1 Re5 32.Qb7+–) 0–1. IkkeIkke97 – sargo, playchess.de, 2003.

4.Nc3 d6 5.de5 fe5 6.e4 Nf6 7.Bd3 0–0 8.a3 Ba5 9.Nf3 Bg4 10.h3 Bh5 11.g4 Bg6 12.Nh4? Be4 13.Be4 Ne4 14.Qd5 Kh8 15.Qa5 Nc3 16.Bc3 Qh4 17.Rh2 Na6 18.Rb1 Nc5 19.Qc7 Ne4 20.Qc4 Nf2 21.Kd2 Rac8 22.Qe2 Qg3 (22...Qg3 23.Kc1 Rc3–+) 0–1. alwayslosing (1945) – macedon (2065), net–chess.com, 2008.

3.d4 ed4

4.Qd4 Nc6=+ 5.Qe4 Qe7 6.Qe7 Be7 7.e3 Bb4 8.c3 Bc5 9.Ne2 d6 10.Nd4 Nge7 11.Ne6?? Be6–+ 12.c4 Ne5 13.Nc3 Bc4 14.Bc4 Nc4 15.0–0 Nb2 16.Rab1 Ba3 17.Nb5 0–0 18.Na3 Nd3 19.Rfd1 Nc5 20.Nb5 Rfc8 21.a4 a6 22.a5 ab5 23.Rb5 c6 24.Rb7 Nb7 25.a6 Ra6 26.Ra1 Rca8 27.Kh1 c5 28.f4 c4 29.e4 c3 30.e5 de5 31.fe5 f5 32.e6 c2 33.Rb1 g6 (33...g6 34.Re1 Ra1 35.Kg1 Re1 36.Kf2 c1Q 37.Kg3 Ra3 38.Kh4 Qh6#; 33...cb1Q#) 0–1. KingMoses – stingo (1660), caissa.com, 2007.

4.Bd4 Bb4 5.c3 Be7 6.Nf3 Nc6 7.e4 d6 8.Bc4 Bg4 9.0–0 Qd7 10.h3 Bh5 11.Qa4 Nd4 12.Qb4 Ne2 13.Be2 0–0–0 14.Nbd2 Bf3 15.Bf3 Qc6 16.Nc4 Kb8 17.Na5 Qc5 18.Qa4 d5 19.Rab1 Qc3 20.Nb7 Rc8 21.Rfc1 Qe5 22.Be2 Ka8 23.Rb5 c6 24.Ra5 Kb7 25.Ra7 Kb6 26.Qa5 1–0. arthur75 – pulaster, gameknot.com, 2012.

3.e4 a6

4.a3 Nc6 5.Nf3 d5 6.ed5 Qd5 7.Nc3 Qf7 8.Bd3 Bg4 9.Ng5 Qh5= 10.f3 Bd7 11.Nge4 0–0–0 12.0–0 Nh6 13.Ng3 Qh4 14.Re1 Bd6 15.Nce4 Be6 16.Nd6 Rd6 17.Bc3 g6? 18.Ne4+– Rd7 19.a4 f5 20.Nc5 Rd6 21.b5 b6 22.Ne6 Re6 23.bc6 Rhe8 24.Ba6 Kb8 25.a5 e4 26.Ra4 Qg5 27.ab6 cb6 28.fe4 fe4 29.Bb7 e3 30.de3 Rd8 31.Be5! Re5 32.Qd6! Rd6 33.Ra8 Kc7 34.Rc8# 1–0. pierre – porfirio, internet, 2010.

4.a3 Nc6 5.Nf3 d6 6.c4 Bd7 7.d4+= ed4 8.Nd4 Nd4 9.Bd4 Bc6 10.Bd3+/– Ne7 11.0–0 Ng6 12.Nc3 Bd7 13.f4 Be7 14.Qh5+– Be6? 15.f5 Bf7 16.fg6 Bg6 17.Qf3 0–0 18.Nd5 Qd7 19.Rac1 Rac8 20.h3 Qa4 21.Ne7 (21.Ne7 Kh8 22.Nc8 Rc8 23.Bf6+–) 1–0. inspector (2330) – alwayslosing (1945), net–chess.com, 2008.

4.a3 Nc6 5.Nf3 d6 6.Bc4 Nge7 7.d4 Bg4 8.de5 fe5 9.0–0 Ng6 10.Nbd2 Qf6= 11.b5 ab5 12.Bb5 Rd8 13.Bc6 bc6 14.c4 Be7 15.Qb3 c5 16.Qb7 Nh4 17.Nh4+= Qh4 18.Qc7 Bg5 19.Qg7 Rf8 20.Bc3?? Rf7–+ 21.g3 Qh5 (21...Qh5 22.Qg8 Ke7 23.Qd8 Kd8 24.Ba5 Kd7–+; 21...Rg7?! 22.gh4 Bd2 23.Bd2 Bf3 24.Bg5–/+) 0–1. chessdeviant – nerob (2015), net–chess.com, 2005.

3.e4 c5

4.a3 (---> 3.a3 c5 4.e4).

4.Bc4 cb4 5.d4 Nc6 6.Nf3 =.

4.Bc4 Ne7 5.bc5+= Qa5 6.Bb3 Qc5 7.Ne2 Nbc6 8.Nbc3 b5 9.a4 b4 10.Nb5+/– Nd8? 11.d4+– ed4 12.Bd4 Qc6 13.Be3 Ng6 14.Bd5 Qd6 15.Nd6 (15.Nd6 Bd6 16.Ba8+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.Bc4 g6 5.h4 (5.b5 d6+=) 5...h5 (better is 5...cb4!? 6.d4 Qc7 7.Bg8 Rg8 8.de5 fe5=) 6.Qf3+/– Nc6 7.Qg3 Nge7 8.bc5 d6 9.cd6 Qd6 10.Nc3 a6 11.Nd5 b5 12.Bb3 Bg7 13.Ne2 Ra7 14.d4 Be6 (14...f5 15.Rd1 f4 16.Qg5 ed4 17.Nd4+–) 15.de5 fe5 (15...Ne5 16.Ne7 Ke7 17.Be6 Qe6 18.Nf4+–) 16.0–0–0 (better is 16.Ne7!? Ne7 17.Rd1+–) 16...Bd5+/– 17.Nc3 (17.Bd5!? Nd5 18.ed5+–) 17...Nd4+= 18.Rd4 (better is 18.Bd5 Rd7 19.Rhe1+=) 18...Qf6?? (better is 18...Bh6 19.Kb1 Bf4+=) 19.Nd5+– (worse is 19.Rd5 Nd5 20.Nd5 Qd6+–) 19...Nd5 20.Rd5 Bh6 (20...Qf4 21.Qf4 ef4 22.Bg7 Rg7+–) 21.Kb1 Bf4 22.Be5 Be5 23.Re5 Kf8 24.Rg5 Kg7 25.e5 (better is 25.Rd1 Rf8 26.Rd6 Qd6 27.Qd6 Rf6+–) 25...Qc6 26.e6 (better is 26.f4 Rh6+–) 26...Qe8 (26...Rh6+–) 27.Qe5 Kh6 28.Rd1 (better is 28.Qe3 Qe7 29.Rf5 Kh7 30.Rf7 Qf7 31.ef7+–) 28...Rhh7 (28...Rg7 29.Rd6 a5 30.e7 Kh7 31.Qf4 Rf7 32.Rh5 gh5 33.Qh6 Kg8 34.Qg6) 29.f3 (29.Rh5! gh5 30.Qg5) 29...Rhg7 30.g4 hg4 31.fg4 Qe7 (31...Ra8 32.e7! Kh7 33.Rd6 b4 34.h5 Qf7 35.hg6 Rg6 36.Rh5 Rh6 37.Rdh6 Kg8 38.Qh8) 32.Rh5! (32.Rh5 gh5 33.Qh5) 1–0. Vogiatzis,Dimitrios (2000) – Hintyes,Helmuth (1705), Mittelfranken–ch, 1999. (=1.e4 c5 2.b4 e5 3.Bb2 f6)

4.Bc4 Nh6 5.b5+= d6 6.Nc3 Bg4 7.Nge2 a6 8.a4 a5 9.Nd5 Nd7 10.0–0 f5 11.f3 Bh5 12.ef5 Nf6 13.Nec3 b6 14.Nf6 gf6 15.Bd5 Bf7 16.Bc6 Ke7 17.f4 Rg8 18.Qf3 Ra7 19.Rae1 Qb8 20.fe5 de5 21.Nd5 Bd5 22.Qd5 Bg7 23.d4 Rd8 24.Qe6 Kf8 25.dc5 Re7 26.Qc4 Nf7 27.Ba3 Rd4 28.Qb3 Ng5 29.cb6 Qb6 30.Kh1 Rd2 31.Rd1 Qd4 32.Rd2 Qd2 33.Qd5 (33.Qd5 Qd5 34.Bd5+–) 1–0. Kleinke,Uwe – Wotruba, corr DDR–ch I749, 1979.

3.e4 h5

4.a3 Rh6 5.Be2 d6 6.Bh5 g6 7.Bg4 f5 8.ef5 gf5 9.Bf3 Nf6 10.Nh3 e4 11.Bf6 Qf6 12.Nc3?? (better is 12.Bh5 Kd8 13.Nc3=) 12...ef3–+ 13.Qf3 b6?? (better is 13...Nc6–+) 14.Qa8+– Qd8 15.Qb8 d5 16.0–0 Be7 (16...Be6 17.Qa7 Kd7 18.Rfe1+–) 17.Rfe1 Kd7 (17...c6 18.Qa7 Kf8 19.Re2+–) 18.Nd5 Bb7 (18...Bf6 19.Nhf4 Bg5 20.Qa7 Bf4 21.Nf4+–) 19.Qd8 (19.Re7 Qe7 20.Qc7 Ke6 21.Re1 Kf7 22.Re7 Kg6 23.Qg3 Kh5 24.Nhf4) 19...Bd8+– 20.Nhf4 c6 21.Ne3 Rf6 22.d4 Bc7 23.c4 (better is 23.Nd3 Kd6+–) 23...Bf4 24.Nc2 c5 (24...Ba6 25.b5! cb5 26.Nb4+–) 25.dc5 bc5 26.Rad1 Kc7 27.Re7 (27.Re7 Kc8 28.bc5+–) 1–0. Fournier,Frederic (1860) – Tillard,Nicolas, Simultanee Senlis FRA, 2005.

4.Bc4 Nh6? 5.a3 g6 6.Nc3 c6 7.d4 d5 8.ed5 cd5 9.Nd5 Be6? 10.de5 Bd5 11.Bd5 Nd7 12.Nf3 Nf5 13.0–0 fe5 14.Ne5 Ne5 15.Be5 Rh7 16.Bb7 Qd1+= 17.Rad1 Rd8?? 18.Bc6+– Ke7 19.Bf4 Bh6 20.Rfe1 Kf6 21.Rd8 Bf4 22.g3 Be5 23.Rd7 Rh8 24.Ra7 Rc8 25.b5 Nd4 26.Ra6 Nc2 27.Bb7 Kf5 28.Re5! Ke5 29.Bc8 (29.Bc8 Nd4 30.Rg6 Nb5 31.Rg5 Kd6 32.Rb5+–) 1–0. bratek55 (1650) – czmir (1660), internet, 2011.

4.Be2 g6 5.a3 c6 6.Nf3 d5+= 7.Nc3 d4 8.Nb1 Bg4 9.0–0 h4 10.Nd4!+/– ed4 11.Bg4+– Qd6 12.d3 Nh6 13.Nd2 Qf4 14.Bc8 Nd7 15.Bb7 Rb8?? 16.Bc6 Rb6 17.Bd7 Kd7 18.Bd4 Ng4 19.g3 hg3 20.fg3 Qh6 21.Qg4 Ke7 22.Rf2 (22.Rf2 Re6 23.Ba7+–) 1–0. Wall,Bill – Banzai, internet, 2003.

3.Nf3 d5

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

4.e3 c5 5.bc5+= Bc5 6.c4 Ne7 7.Be2 Nbc6 8.d4 Bb4 9.Nbd2 e4 10.cd5? Qd5?? 11.Ng1=+ Qa5 12.Bc4 Bd7 13.a3 Bd2 14.Qd2 Qd2 15.Kd2 0–0–0 16.Ne2 Bg4 17.Ng3 Na5 18.Ba2 Kb8 19.Ne4 Rhe8 20.h3 Bd7 21.Nc5 Bc6? 22.Bc3 1–0. horacyad2010 – cccp1918, internet, 2011.

3.f4 Bb4

(--> 1.b4 e5 2.Bb2 Bb4 3.f4 f6).

4.fe5=+ Nc6 5.Nf3 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 Nc6 4.Nf3 f6 5.fe5).

3.f4 d6

4.e4 ef4 5.Bc4 Qe7 6.d3 Be6 7.Qh5 g6–/+ 8.Qb5? c6–+ 9.Qa5 Bc4 10.dc4 Qe4 11.Kf2 Qc2 12.Ne2 Qb2 13.Na3 Qe5 14.Rhe1 Qa5 15.ba5 Kf7 16.Nf4 Bg7 17.Re6 f5 18.Rae1 Be5 19.Nd3 Nd7 20.Ne5 de5 21.Rd6 Ngf6 22.h3 Rad8 23.g4 Ne4 24.Re4 fe4 25.Ke3 Ke7 26.Rd2 Nc5 27.Nc2 Rd2 28.Kd2 Ke6 0–1. Djakov,Joao – Beland,Stephane, internet section, 2004.

4.fe5 de5 5.a3 a5 6.c3 Nc6 7.Nf3 Bg4 8.h3 Bh5 9.e3 (better is 9.b5!? Na7 10.e4=) 9...e4 10.Nd4?? (better is 10.g4 Qd6 11.Kf2–/+) 10...Bd1–+ 11.Kd1 (11.Nc6 bc6 12.Kd1 Ne7–+) 11...Nd4 12.ed4 ab4 13.ab4 Ra1 14.Ba1. Fournier,Frederic (1695) – Lycanth (1740), rated blitz game, 2002.

3.f4 ef4

4.e3 fe3–+ 5.Qe2 Bb4 6.a3 Bc5?? 7.d3?? Qe7 8.Nc3 Nh6 9.Nh3 b6 10.Kd1? Bb7 11.Kc1 0–0 12.Kb1 Nc6 13.Ka2 Nf5 14.Re1 Rfe8 15.Nd5 Qe6 16.c4 Rac8 17.Ne3 Ne3 18.d4 Nd4 19.Qd3 Ndc2 20.Re3 Ne3 21.Nf4 Qg4 (21...Qg4 22.Nd5 Nd5 23.cd5 Re1–+) 0–1. Fidel – Nettundfrech, internet, 2007.

4.Nh3 Bb4 5.Nf4 Nc6 6.e4 g6 7.Nd5 Bc5 8.d4 Bd6 9.Bd3 Nb4 10.0–0 Nd3 11.Qd3 c6 12.e5 cd5 (12...fe5!? 13.Qf3 Nh6 14.Nf6 Ke7=) 13.ed6+/– Qb6 14.Nc3 Qd6 (14...Qb2? 15.Nd5 Kf7 16.Rfb1 Qa1 17.Ra1+–) 15.Nb5 Qc6 16.Ba3 Kf7 17.Nd6 Kg7 18.Qe3 h5 19.Rf6!! Qd6 (19...Kf6 20.Qe5 Mate attack; 19...Nf6 20.Qe7 Mate attack) 20.Rd6 a5 21.Qe5 Kh6 22.Bc1 Kh7 23.Qe8 Kg7 24.Qg6 (24.Rg6 Kh7 25.Qf7) 24...Kf8 25.Rf6! Ke7 (25...Nf6 26.Ba3 Mate attack) 26.Ba3 Kd8 27.Rf8 Kc7 28.Qd6 1–0. Fournier,Frederic (2365) – 24816, Active (2/12), 2005.

3.g4 Bb4

4.a3 Bc5 5.Nf3 h5 6.h3 hg4–+ 7.hg4?? Rh1 8.d4 ed4 9.Bc1 d5 10.Qd3 Ne7 11.Ne5 fe5 12.Qg3 Nec6 13.Nc3 dc3 14.Qf3 Qh4 15.Bg5 Qg5 16.Qh1 Qd2# 0–1. derek2735 – Caissa, Live Game Caissa's Web, 2006.

4.c3 Bc5 5.e4 Nc6 6.Bd3 Nge7 7.Ba3 Ba3 8.Na3 d5 9.h4 de4 10.Be4 Be6 11.g5 f5 12.Bd3?? e4 13.Bc4 Bc4 14.Nc4 0–0 15.h5 Nd5 (15...Nd5 16.Qb3 Rb8–+ (16...Qg5?! 17.Ne3=); 15...b5!? 16.Nb2 Nd5 17.Qb3–+) 0–1. SunnysideTrpt – Ityke, internet, 2007.

4.Bg2 Nh6 5.h3 c6 6.a3 Bc5 7.a4? (better is 7.d4 ed4 8.Bd4–/+) 7...Qb6–+ 8.a5?? (8.Bc3 Bf2 9.Kf1–+) 8...Bf2 9.Kf1 Qb2 10.Kf2 (10.Nc3 Bd4 11.Ra2 Qb4–+) 10...Qa1 11.c3 d5 12.Nf3 0–0 13.Qb3 Qa5 14.Nh4 Nd7 15.Nf5 Nf5 16.gf5 Nc5 17.Qc2 e4 18.e3 (18.Rf1 Bf5 19.Kg1 Bg6–+) 18...Nd3 (19.Kg1 Qc7–+) 0–1. yellowducky – Caissa, Live Game Caissa's Web, 2004.

4.g5 d5 5.Nf3 Be6 6.Ne5 fe5 7.Be5 Nc6 8.Bg7 Qg5 9.Bh8 0–0–0 10.c3 Bc5 11.d4 Bb6 12.a4 Nge7 13.Be5 Ne5 14.de5 Qe5 15.a5 Bc5 16.a6 b6 17.Na3 Qc3 18.Qd2 Qa1 19.Qd1 Bb4 0–1. swindon – pulaster, gameknot.com, 2013.

3.h4 Bb4

4.a3 Bc5 5.Nc3 Nc6 6.Na4 Be7 7.Nf3 d5 8.d4 e4 9.Nd2 Nh6 (better is 9...e3 10.Nb3 f5–+) 10.Rh3?? (better is 10.e3–/+) 10...Bh3–+ 11.gh3 f5 12.f4 (12.e3 f4 13.Qh5 Nf7 14.c4 fe3 15.fe3 Bh4 16.Kd1–+) 12…Bh4 0–1. jaseph44 – Caissa, Live Game Caissa's Web, 2004.

4.c3 Be7 5.a4 (5.c4 Nh6–/+) 5...b6 (5...d5 6.e3–+) 6.Rh3 (6.c4 Nh6–/+) 6...d5 7.Rg3 Nh6 8.Rg7 Nf5 9.Rg4 Ne3! 10.fe3 (10.de3 Bg4) 10...Bg4 11.Nf3 (11.g3 Bf5–+) 11...0–0 (11...e4 12.Nh2 f5 13.Kf2–+) 12.Na3 (12.g3 Qd6 13.Nh2 Be6–+) 12...e4 13.Nh2 f5 14.g3 Bh4! 15.gh4 (15.Kf2 Qd6 16.Kg2 Qg3 17.Kh1–+) 15…Qh4# 0–1. bboytboy – Caissa, Live Game Caissa's Web, 2004.

3.a3 a5

4.ba5 Na6 5.e3 Bc5 6.d3 d6 7.Be2 Ne7 8.Nd2 0–0 9.Nb3 Ba7 10.Nf3 Bg4 11.0–0 Nd5 12.c4 Ne7 13.d4 e4 14.Nfd2 Bf5 15.Qc2 d5 16.c5 Nc6 17.Ba6 ba6 18.Rab1 Bg4 19.h3 Be2–/+ 20.Rfe1 Bd3 21.Qc1 Bb1 22.Qb1 f5 23.Rf1 f4 24.ef4 Rf4 25.Bc1 Qf6 26.Qc2 Nd4 27.Nd4 Qd4 28.Nb1? Rf7–+ 29.Be3 Qe5 30.Qc3 Qc3 31.Nc3 c6 32.Rb1 Rb8 33.Rb8 Bb8 34.Na4 Be5 35.Nb6 d4 36.Bc1 h6 37.Kf1 g5 38.Ke2 Kf8 39.Nc4 Bc7 40.Nb6 Ke7 41.Bb2 d3 42.Ke3 Rf5 43.Bc3 Rc5 44.Bb4 Kd6?? 45.Nc4?? Kd5–+ 46.Bc5 Kc5 47.Nd2 Ba5 48.Ne4 (48.Ne4 Kc4 49.f3–+) 1–0. exp2005 – gingis11, internet, 2011.

4.b5 Qe7 5.e3 c6 6.a4 cb5 7.ab5 Nh6 8.Bc4 Nf5 9.Ba3 d6 10.Nf3 Be6 11.Be6 Qe6 12.d3 Be7 13.Nbd2 Nd7 14.c4 Nc5 15.Qc2 b6 16.e4 Nd4 17.Nd4 ed4 18.0–0 0–0 19.f4 Qg4 20.Rae1 Rfe8 21.h3 Qg3 22.Re2 Qd3–/+ 23.Qd3 Nd3 24.Rf3 Nc5 25.Nb3 d3 26.Rd2?? Nb3–+ 27.Rdd3 Nc5 0–1. amator111 (1630) – 0707, internet, 2011.

4.b5 Ne7 5.d4 ed4 6.Bd4 d5 7.e3 Nf5 8.Bb2 Be6 9.Nc3 Bd6 10.Nd5?? (better is 10.Nf3+=) 10...Bd5–+ 11.Qg4 Be6 12.Qe4 Be5! 13.Be5 fe5 14.Qe5 Qd6 15.Qc3 Nd7 16.Rd1 Qc5 17.Ne2 0–0 18.Qc5 Nc5 19.Nf4 Bf7 20.Bd3 Ne7 21.h4 Rad8 22.h5 h6 23.g4 Nd3 24.cd3 Nd5 25.Ne2 Be8 26.Rb1 Rd6 27.Rg1 Rdf6 28.e4 Nf4 29.Nf4 Rf4 30.b6 c6 31.Rb2 Rf3 32.Rd2 Rh3 33.Kf1 Rf4 34.Ke1 Kf8 35.a4 c5 36.Rg3 Rg3 37.fg3 Rg4 38.Rf2 Bf7 39.Rf5 Rg3 40.Rc5 Rd3 41.Ra5 Re3 42.Kf2 Re4 43.Rc5 Ra4 44.Rc8 Be8 45.Rb8 Rf4 46.Kg3 Rf7 47.Kg4 Rd7 48.Kg3 Ke7 49.Kg4 Bf7 50.Kh4 Kf6 51.Kg4 Ke5 52.Rf8 Rd4 53.Kg3 Bh5 54.Rb8 Rd7 55.Rc8 Bf7 56.Rc5 Kd6 57.Rc2 g5 58.Rf2 Be6 59.Rh2 Rh7 60.Rd2 Kc5 61.Re2 Bd7 62.Re1 Kb6 63.Re5 Kc6 64.Kg2 b5 65.Kh2 b4 66.Re4 Kc5 67.Re3 Kd4 68.Rf3 Kc4 69.Rf2 b3 70.Kg3 Bc6 71.Kg4 Kc3 72.Re2 b2 73.Re3 Kb4 74.Re1 Bb5 75.Rb1 Kc3 76.Re1 Bd3 77.Kg3 b1Q 78.Rb1 Bb1 79.Kg2 h5 80.Kg3 h4 81.Kg2 (81.Kf3 h3 82.Kg3 h2 83.Kf3 h1Q 84.Ke3 Qe4 85.Kf2 Rh2 86.Kg3 Qf4) 81…h3 (81...h3 82.Kg1 h2 83.Kf2 g4 84.Kg3 h1Q 85.Kg4 Rg7 86.Kf4 Qe4) 0–1. Martins,Karin – Niewold,Jaap (1730), IECG, 2004.

4.Nc3 ab4 5.ab4 Ra1 6.Qa1 Bb4 7.e4 Nc6 8.Bc4 Nge7 9.Nge2 Na5 10.Ba2 b6 11.0–0 Nac6 12.Rd1 Bb7 13.d4 Nd4–/+ 14.Nd4 ed4 15.Rd4 c5 16.Rd1 Qc8 17.Bc4 Bc3–/+ 18.Bc3 Be4 19.Bd3 Bd3–+ 20.Rd3 d5 21.Rd2 0–0 22.Re2 Nf5 23.Qa7 Qc6 24.g4 Qb5 25.Re1 Nh4 26.Re3 Qb1 27.Be1 d4 28.Re4 Nf3 29.Kg2 Ne1 30.Kh3 Qc2 31.Re7 Qd3 32.Kh4 g5 33.Kh5 Qg6# 0–1. rene822 – Caissa, Live Game Caissa's Web, 2004.

4.Nf3 ab4 5.e4 ba3 6.Na3 Nc6 7.Nb5 Ra1 8.Ba1 Bc5 9.Bc4 b6 10.h4 Bb7 11.0–0 Na5 12.Bd3? Ne7 13.h5 0–0 14.g4 d5 15.ed5? Qd5 16.Qe1 Qf3 17.Nc7 Qg3 0–1. tallyho950 – Caissa, Live Game Caissa's Web, 2004.

4.ba5 Ra5

5.d4 ed4 6.Bd4 Nc6 7.Bc3 Rc5 8.e3 Nh6 9.Nf3 Be7 10.Be2 0–0 11.0–0 d5 12.Qd2 Nf7 13.Bb4+= Nb4 14.ab4 Rc6 15.Ra5 Rd6 16.Nc3 c6 17.Rfa1 Ng5 18.Nd4 f5 19.f4 Ne6 20.Na4 Nd4 21.ed4 Rh6 22.g3 Bd6 23.Ra8 Re6 24.Nc5+= Re7 25.R1a7 Qe8 26.Bf3 b6 27.Nb7 Bc7 28.b5 g5 29.fg5+/– f4 30.g4 Kh8 31.bc6 Qc6= 32.Qb4 Ree8 33.c4 Qe6 34.cd5 Qe3 35.Kg2 Qd3 36.Rc8 Re2 37.Be2 Qe2 38.Kh3 Rc8 39.Qb1 Qe3 40.Kh4 Qf2 41.Kh3 Re8 42.Ra3 Re3 43.Re3 fe3 44.d6 e2 (44...e2 45.dc7 Qf1 46.Kg3 e1Q (46...Qb1?? 47.c8Q Kg7 48.Qc7 Kf8 49.Qd6 Kf7 50.Qf6 Ke8 51.Qe6 Kf8 52.Qe2 Qg1 53.Kh3 Qd4 54.Qe6 Qc3 55.Kh4+–) 47.Qe1 Qe1 48.Kf4 Qc1 49.Ke5 Qc7 50.Nd6 Qe7 51.Kd5 Qg5 52.Kc6 Qg4–+) 0–1. Junker,Anders – Pleschke,Helmut, 1. B4 Thementurnier, 2000.

5.e3 d5 6.d3 Bd6 7.Nf3 Be6 8.Be2 Ne7 9.0–0 Ng6 10.Nbd2 0–0 11.Qc1 Qe7 12.c4 c6 13.cd5 cd5 14.Qc3 Nc6 15.Nb3 Ra7 16.Rfc1 Rfa8 17.Nc5 Bc5 18.Qc5 Qc5 19.Rc5 Nge7 20.h3 Ra5 21.Ra5 Ra5 22.Kf1 h6 23.Nd2 Rb5 24.Bc1 d4 25.Bf3 Bd5 26.Bd5 Nd5 27.Nc4 Na5 28.Na5 Ra5 29.Bd2 Ra4 30.e4 Nc3 31.Bc3 dc3 32.Ke2 b5 33.Kd1 b4 34.Kc2 ba3 35.Kc3 Ra7 36.Kb3 Rd7 37.Rd1 Ra7 38.Ka2 Kf7 39.g3 Ke6 40.f4 g6 41.Rc1 Ra6 42.Rc3 h5 43.Ra3?? h4 44.Ra6+– (44.Ra6 Ke7 45.fe5 fe5 46.Rg6+–) 1–0. exp2005 – savaludaglava, internet, 2011.

5.e3 d5 6.Bd3 e4 7.Bc3 Ra8 8.Bb5 c6 9.Be2 Nh6 10.Bh5 g6 11.Be2 Bg7 12.h3 0–0 13.Bb4 Re8 14.Qc1 Nd7 15.d4 f5 16.Nd2 Qg5 17.g3 c5 18.Bc3 cd4 19.h4 Qe7 20.Bd4 Bd4 21.ed4 e3 22.Nb3 Qd6 23.f4 Ng4 24.Nf3 Ndf6 25.Ne5 b6 26.Bb5 Bd7 27.Nd7 Nd7 28.0–0 Kg7 29.Re1 Re6 30.Re2 Ndf6 31.c3 Ne4 32.Qe1 Ra3 33.Nc5 Ra1 34.Ne6 Qe6 35.Qa1 Ng3 36.Qa7 Kh6 37.Re1 Qe4 38.Qg7 Kg7 39.Bd7 Qh1 0–1. COMP – COMP, 1 minute, 2002.

5.e3 d5 6.d4 ed4 7.Bd4 =.

5.e3 g6 6.c4 Nc6 7.Ne2 b6 8.d3 Bb7 9.g3 Nd4!–/+ 10.e4?? Nf3# 0–1. SuperJudge – Brause, ICS rated blitz match, 1995.

5.e3 Nh6 6.Nf3 Be7 7.d4 e4 8.Nfd2 d5 9.c4 c6 10.Be2 Be6 11.Nc3 0–0 12.0–0 Qe8 13.cd5 cd5 14.f3 ef3 15.Bf3+/– Nc6 16.Nb3 Ra8 17.Bd5 Bd5 18.Nd5 Bd6 19.Qe2 Ne7 20.Qc4 Nd5 21.Qd5 Nf7 22.Rae1 Rd8 23.Qf3 b6 24.e4 Ng5 25.Qd3 Rc8 26.d5 Qh5 27.e5 Be5 28.Be5+= fe5 29.d6 Rf1 30.Rf1 Rd8 31.Re1 Nf7 32.d7 Ra8 33.Nd2 Qg5 34.Nf3+– Qe7 35.Qb3?? Ra3?? 36.d8Q!+– Qd8 37.Qa3 Qc7 38.Qe3 h6 39.Ne5 Ng5 40.h4 Ne6 41.Qb3 Qd6 42.Ng6 Kf7 43.h5 Kf6 44.Rf1 Kg5 45.Qf3 Nf4 46.Qg3 Kh5 47.Nf4 (47.Nf4 Qf4 48.Rf4 g5 49.Rf6 g4 50.Qe5 Kh4 51.Rh6) 1–0. wlittle (2300) – sammyo (2035), net–chess.com, 2004.

5.e4 c6 6.d4 d6 7.de5 fe5 8.Qh5 g6 9.Qd1 Nf6 10.Nc3 d5 11.ed5 cd5 12.Bb5 Bd7 13.Bd7 Nbd7 14.Nf3 Qb6 15.Rb1 Ng4 16.0–0= Bc5 17.Nd5 Bf2 18.Kh1+= Qc5 19.Ng5 Ne3?? 20.Ne3+/– Be3 21.Nf7 Ra8 22.Nd6 Ke7 23.Rf7 Ke6 24.Qg4 Kd5 25.c4 Kc6 26.Qd7 Kb6 27.Bc3 Ka7 28.Qb7 1–0. woschkat (2325) – amtrack, net–chess.com, 2002.

5.e4 Nc6 6.Nf3 Bc5 7.Bc4 Nge7 8.0–0 d5 9.ed5 Nd5. Shakkimestari – Shinidoki, internet, 2007.

5.e4 d5 6.ed5 Qd5 7.Nc3 Qc6 8.Qh5 g6 9.Qh4 Bf5–/+ 10.0–0–0 Ba3?? 11.Ba3+= Bc2?? 12.Bb4 g5 13.Qg4 Bd1 14.Qc8 Kf7 15.Ba5 b6 16.Kd1 ba5 17.Qb8 Qc5 18.Ke1 Kg7 19.Qe8 Ne7 20.Qh5 Rd8 21.Bb5 c6 22.Ba4 Qa3 23.Bd1 Rd3 24.Qe8 Rc3 25.dc3 Qc3= 26.Ke2 Qc4 27.Kd2 Qd4 28.Kc1 Qa1 29.Kc2 Qa4 30.Kb2 Qd4 31.Ka2 Qd2 32.Kb1 Qd1 33.Kb2 Qd2 34.Kb3 Qd1 35.Ka3 Qa1 36.Kb3 Qd1 37.Ka2=+ Qc2 38.Ka1= Qc1 39.Ka2 ½–½. COMP – COMP, 2002.

5.e4 Ne7 6.Bc3 Ra8 7.Qh5 Ng6 8.Nf3 Ra4 9.d4 ed4 10.Bb5 Ra7 11.Bd4+/– c5 12.Bb2 Qa5 13.Nc3 Nc6 14.0–0 Bd6 15.Nh4 Nce7+/– 16.Nd5 0–0 17.Bc4 Kh8 18.e5! Be5? 19.Bd3 f5 20.Be5 c4 21.Bf5 Rf5 22.Ng6 Ng6 23.Qf5 Qd8 24.Bd4 Ra6 1–0. COMP – COMP, 2002.

5.e4 Ne7 6.Nc3 d5 7.Qh5 g6 8.Qf3 Kf7 9.ed5+= Nf5 10.Bc4 Nd4 11.Qd3 Kg7 12.Ne4 b5 13.Ba2 Ra4 14.0–0–0 Bf5 15.f3 Nd7 16.Re1 Qa8 17.Re3 Qa7 18.g4 Nc5 19.Qc3 Ne4 20.fe4 Bg4 21.Rg3 b4–+ 22.ab4 Bb4 23.Qc4 Ra2 24.Qb4 Rb8 25.Qc3? Rbb2 26.Qc7 Qc7 27.Rc3 Rc2 28.Kb1 Rcb2 29.Kc1 Nb3 0–1. EXchess 3.11 – Doctor? 3.0, 2004.

5.e4 Ne7 6.Qh5 g6 7.Qh4 Bg7 8.Nf3 0–0 9.Nc3 c6 10.d4 ed4 11.Nd4 d5 12.ed5 Nd5 13.Rd1 Nc3 14.Bc3 Qe7 15.Ne2 Rf5 16.Bb4 c5=+ 17.Bd2 Rd8 18.Rg1 Rfd5–/+ 19.Qc4 Be6 20.Qc3 Bf7 21.Qe3 Re5 22.Qg3 Rd4 23.f4 Re2 24.Be2 Re4 25.Qg4 Bc4 26.Qc8 Kf7 27.Kf2 Re2 28.Kg3 Rd2! 29.Rde1 Re2 30.Re2 0–1. Fritz 5.32 – Doctor? 3.0, 2004.

5.Nf3 Nc6 6.e3 Nge7 7.c4 Ng6 8.Nc3 d6 9.Be2 Be6 10.0–0 Be7 11.d4+= Bf7 12.d5 Nb8 13.Qc2 0–0 14.Bd3 Nd7 15.Rfd1 Nc5 16.Bf5 Qa8 17.Nb5 Bd8 18.Bc3+/– Ra6 19.Bb4 b6 20.Bc5 bc5 21.a4 Re8 22.Rdb1 Nf8 23.Nd2 g6 24.Bd3 f5 25.e4 f4 26.Be2 Nd7+= 27.g3 fg3 28.fg3 Nb6 29.Nc3 Bg5 30.Nf3 Be3 31.Kg2 Bd4 32.Ng5 Bc3 33.Qc3 Ra4 34.Rf1 Ra1 35.Ra1 Qd8 36.Nf7 Kf7 37.Qe3 Kg7 38.Rf1 Rf8 39.Rf8 Qf8 40.Qg5 Qf6 41.Qe3 h6 42.Qa3 Qe7 43.Qa7 h5 44.Bd3 Kh6 45.Qb8 Qg7 46.Qe8 Nd7 47.Qc8 Nf6 48.h3 g5 49.Qf5 Qg6 50.Qc8 Qf7 51.Be2 Ne4?? 52.Qh8+– Qh7 53.Qh7 Kh7 54.Bd3 h4 55.Be4 Kh6 56.Kf3 Kh5 57.Bf5 hg3 58.Kg3 Kh6 59.Kg4 (59.Kg4 e4 60.Be4+–) 1–0. Wall,Bill – Ed3149, internet, 2004.

4.ba5 Nc6

5.a6 b6 6.e3 g6 7.d4 Ba6 8.Ba6 Ra6 9.Qe2 Ra7 10.d5 Na5 11.Nc3 c6 12.Qd3 Ne7 13.dc6 Nec6 14.Nb5 Ra8 15.e4 Nb7 16.Nf3 Nc5 17.Qe3 Ra5 18.c4 Ra4 19.Rc1 Be7 20.Rc3 0–0 21.g4 Na7 22.Na7 Ra7 23.Bc1 Qa8 24.h4? Ne4–+ 25.Qe4 Qe4 26.Kf1 Qg4 27.Rg1 Qh3 28.Ke2 e4 29.Rg3 ef3 30.Rcf3 Qe6 31.Re3 Qc4 32.Kf3 Bc5 33.Re4 Qc1 34.h5 Qh1 35.Kf4 Qh5 36.Rg6 hg6 37.a4 Bf2 38.Re5 g5 39.Rg5 fg5 40.Ke5 Qg4 41.Kd5 Qd4 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

5.e4 d5 6.a6 de4 7.ab7 Bb7 8.Qh5 g6= 9.Qe2 Rb8 10.Nc3 Nd4 11.Qd1 Bc5 12.Nge2 Bc6 13.Rb1 f5 14.Ng3 Nf6 15.Bc4 f4 16.Nf1 Qe7 17.a4 Rb4 18.Ba1 Ba7 19.Rb4 Qb4 20.Bb5 Nb5 21.Nb5 Bb5–+ 22.ab5 Qc5 23.b6 Qb6 24.Ne3 fe3 25.fe3 Qb5 26.Qe2 Qb1 27.Qd1 Qd1 28.Kd1 Nd7 29.Rf1 Rf8 30.Rf8 Kf8 31.h4 Ke7 32.g4 Ke6 33.Ke2 Nf6 34.g5 Nd5 35.Kf2 Nb4 36.c4 Nd3 37.Kg3 Kd6 38.Kg4 Kc5 39.h5 Kc4 40.h6 Bc5 41.Bc3 Bb4 42.Bb4 0–1. COMP – COMP, 1 minute, 2002.

5.e4 d5 6.a6 de4 7.ab7 Bb7 8.Qh5 g6 9.Qe2 Rb8 10.Nc3 Nd4 11.Qd1 Bc5 12.Nge2 Bc6 13.Rb1 f5 14.Ng3 Nf6 15.Bc4 f4 16.Nf1 Qe7 17.a4 Rb4 18.Ba1 Ba7 19.Rb4 Qb4 20.Bb5 Nb5 21.Nb5–+ Bb5 22.ab5 Qc5 23.b6 Qb6 24.Ne3 fe3 25.fe3 Qb5 26.Rf1 0–0 27.Qe2 Qd5 28.Qa6 Bb6 29.Bc3 Kg7 30.Qa3 Rf7 31.Qa1 Rd7 32.Kf2 Rd8 33.Be5 Qc6 34.Kg1 Rf8 35.Rf4 g5 36.Bf6 Rf6 37.Rf5 Kg6 38.Rf6 Qf6 39.Qf6 Kf6 40.g4 c5 41.Kf2 c4 42.Ke2 Ke5 43.Kf2 Kd5 44.Ke2 h6 45.h3 Ba7 46.c3 Bc5 47.Kf2 Bd6 48.Ke1 Bg3 49.Kd1 Ke5 50.Kc2 Ke6 51.Kb2 Kd5 52.Kb1 Bf2 53.Kc2 Ke6 54.Kd1 Bg3 55.Ke2 Ke5 56.Kf1 Bh4 57.Ke2 Ke6 58.Kd1 Bf2 59.Ke2 Bg3 60.Kd1 Kd6 61.Kc2 Ke5 62.Kb2 Bh4 63.Kc1 Bf2 64.Kd1 Kf6 65.Ke2 Bg3 66.Kd1 Ke7 67.Kc2 Bh4 68.Kc1 Be1 69.Kc2 Kf6 70.Kd1 Bg3 71.Ke2 Kf7 72.Kd1 Ke8 73.Kc1 Kd7 74.Kd1 Kd8 75.Kc2 Bf2 76.Kd1 Ke7 77.Ke2 Bg3 78.Kd1 Kf7 79.Kc2 Ke7 80.Kd1 Kd7 81.Kc1 Bf2 82.Kc2 Kd6 83.Kb2 Ke5 84.Kc2 Kd5 85.Kc1 Bh4 86.Kc2 Kd6 87.Kd1 Bf2 88.Ke2 Bg3 89.Kd1 Bh4 90.Kc1 Be1 91.Kd1=+ Bd2 92.Kd2 Ke5 93.Ke2 Ke6 94.Kf2 Kd6 95.Kg3 Kd7 96.h4 Kc6 97.Kg2 Kb5 98.hg5 hg5 99.Kf2 Ka4 100.Ke2 Kb3 101.Kd2 Kb2 102.Kd1 Kc3 103.Kc1 Kd3 104.Kb1 0–1. EXchess 3.11 – Comet B25, 2004.

5.e4 d5 6.Bb5 Ra5 7.Bc6 bc6 8.Qe2 Rb5 9.Bc1 Bc5 10.ed5 Qd5 11.Nf3 Ne7? 12.c4+– Rb1 13.Rb1 Qd8 14.Rb8 0–0 15.0–0 Ba7 16.Ra8 Bc5 17.a4 Rf7 18.a5 Bb4 19.a6 Bc5 20.Bb2 Ng6 21.d4! Bb6 22.de5 Nf4 23.Qd2 Nd3 24.Ba3 c5 25.e6! Re7 26.Qd3! Qe8 27.Rd1 Re6 1–0. COMP – COMP, 1 minute, 2002.

5.e4 d5 6.ed5 Qd5 7.Nc3 Qa5 8.Bb5 Bc5 9.Qh5 g6 10.Bc6 bc6 11.Qf3 Qb6 12.Rb1 Bf5 13.d3 h5 14.Nge2 Bg4 15.Qg3 Ne7 16.Ne4 0–0 17.h3 Nf5 18.Qh2 Be2 19.Ke2 Bf2 20.Nf2 Qe3 21.Kf1 Ng3 22.Kg1 Rab8 23.Qg3 Qg3 24.Rh2 Qe3 25.Rh1 Qe2 26.Nd1 Qc2 27.Rc1 0–1. Fritz 5.32 – Comet B25, 2004.

4.ba5 d5

5.d4 ed4 6.Bd4 Nc6 7.Nf3 Nd4 8.Qd4 c6 9.Qe3 Ne7 10.Nbd2 Qa5 11.Nd4 Ra7 12.N4b3 Qa4 13.Qb6 Ra6 14.Qc7 b5 15.e3 Ra7 16.Qd6 Bd7 17.Nc5 Qc2–+ 18.Be2 Qc3 19.Ncb3 Nc8 20.Qg3 g6 21.Rc1 Qe5 22.f4 Qe7 23.Nb1 Nd6 24.Nd4 c5! 25.Nc2 Ne4 26.Qh4 f5 27.Qe7 Be7 28.0–0 Bf6 29.Rcd1 Bc6 30.Nd2 Nc3 31.Rde1 b4! 32.ab4 Ra2 33.Nf3 Rc2 34.Bd3 Ra2 35.bc5 Na4 36.Nd4 Kd7 37.Rc1 Rd2 38.Nc6 Kc6 39.Rfd1 Rb2 40.Ra1 Nc5 41.Ra5 Bc3 42.Ra3 Bb4 43.Raa1 Bd2 44.Bf1 0–1. COMP – COMP, 2002.

5.e3 Nc6 6.a6 ba6 7.Nc3 Rb8 8.Rb1 h5 9.Be2 g6 10.Nf3 Nge7 11.d4 e4 12.Nd2 h4 13.0–0 h3= 14.gh3 Bh3–/+ 15.Re1 Qc8 16.Nf1 Bg7 17.f3 ef3 18.Bf3=+ Be6 19.e4 de4 20.Be4 0–0 21.d5 f5–/+ 22.de6 fe4 23.Re4 Rb2 24.Rb2 Bc3 25.Rb1 Ne5 26.Rb3 Qa8 27.Nd2–/+ Qc6 28.Qe2 Bd2 29.Re5 Qc2 30.Rd3 Qc1 31.Kg2 Bf4 32.Ra5 Qc6 33.Kh3 Kg7 34.Rb3? Rh8 35.Kg4 Rh2 36.Qe1 Rg2 37.Kh3 g5 38.Qa1 Kh7 39.Qb1 Kh6 40.Rg5 0–1. EXchess 3.11 – Comet B50, 2004.

5.e3 Nc6 6.c4 Be6 7.cd5 Bd5 8.Nc3 Ra5 9.Nd5 Qd5 10.d4 ed4 11.ed4 Bd6 12.Nf3 Nge7 13.Bd3 0–0 14.Qc2 Qe6 15.Kf1 g6 16.Bc4 Nd5 17.Qb3 Rb8 18.Bc3+/– Kg7 19.Bd2 Qf7 20.g3 Qe6 21.Kg2 Qf5 22.Rhe1 Nb6 23.Be6 Rb5?? 24.Qd1 Qh5 25.g4 Qd5 26.Bd5 Rd5 27.Bc3 h5 1–0. Fritz 5.32 – Comet B50, 2004.

5.e3 Ra5

6.Bd3 Be6 7.Bc3 Ra8 8.Qh5 Bf7 9.Qh3 Nh6 10.f4 e4 11.Be2 Bd6 12.Bh5 0–0 13.Ne2 Qd7 14.Bf7 Rf7 15.Qh5 Qf5 16.Qf5 Nf5 17.0–0 b5 18.Bb2 c6 19.Kf2 Rfa7 20.Nd4 Nd4 21.Bd4 Ra6 22.d3 ed3 23.cd3 b4 24.Rc1 ba3 25.Ra2 Nd7 26.Rcc2 Kf7 27.Ke2 h5 28.Kf2 g5 29.g3 Rb8 30.Nd2 g4 31.Kg2 Ke6 32.e4 Bb4 33.Nb3 de4 34.de4 f5 35.e5 Be7 36.Rc3 Rd8 37.Be3–/+ c5 38.Kf1 Rc8 39.Bc1 Rca8 40.Nd2 c4 41.Nc4 Rc6 42.Be3? Ra4–+ 43.Rca3 Rac4 44.Ra6 Rc2! 45.Rc2 Ra6 46.Ke2 Ra4 47.Rc6–/+ Kd5 48.Rc7 Ra2 49.Bd2 Ne5–/+ 50.Re7 Nf3 51.Rd7 Ke6 52.Rd8 Nh2 53.Re8 Kd7 54.Re3 Nf3 55.Rd3 Ke6 56.Re3 Kf6 57.Rd3 h4 58.gh4 Kg6 59.Rf3 gf3 60.Ke1 f2! 61.Kf2 Rd2 62.Kg1 0–1. COMP – COMP, 2002.

6.Bd3 Ne7 7.Bc3 Ra7 8.Qf3 Nbc6 9.Bb5 Bf5 10.d3 Qd7 11.h3 Ng6 12.Ne2 e4 13.Qh5= ed3 14.cd3 Bd6 15.Nd4 Be6 16.Ne6 Qe6 17.Bd4 Ra8 18.Qg4 Qg4 19.hg4 Nge5 20.Nc3 0–0 21.Nd5 Nd4 22.ed4 Ng4 23.Bd7 Nh2 24.Ne3 Bb4?? 25.Ke2+– Bd6 26.g3 Bg3?? 27.fg3 Rad8 28.Be6 Kh8 29.d5 Nf3 30.Kf3 Rd6 31.Rab1 Ra6 32.Rb7 Ra3 1–0. COMP – COMP, 2002.

6.d4 ed4 7.ed4 Bd6 8.Qh5 g6 9.Qf3 Bf5 10.Qb3 Qe7 11.Ne2 c6 12.Nd2 Nh6 13.Qc3 Ra8 14.Bc1 Nf7 15.Bb2 0–0 16.Qb3 Re8 17.a4 Na6 18.Bc3 Nb4 19.Bb4 Bb4 20.0–0–0? b5–+ 21.ab5 Ra3 22.Qb2 Rea8 23.Kb1 Qa7 24.Kc1 Ra2 25.Nb1 Rb2 26.Na3 Qa3 27.Nc3 Rc2 28.Kb1 Qb2 0–1. COMP – COMP, 1 minute, 2002.

6.d4 ed4 7.ed4 Bf5 8.Be2 Nc6 9.Nf3 Bd6 10.Nbd2 Qe7 11.c4 Ba3= 12.Bc3 Nb4 13.0–0 Be4 14.cd5 Bf5? 15.Re1 Kd8 16.Qb3 Bc2 17.Bb4 Bb3 18.Be7 Ne7 19.Nb3 Ra7 20.Nbd2 Nc8 21.Nc4 Be7 22.Ra7 Na7 23.Ra1 Nc8 24.Na5 Nb6 25.Nb7 Kc8 26.Nc5 Re8 27.Ba6 Kb8 1–0. COMP – COMP, 2002.

6.d4 ed4 7.ed4 Bf5 8.Be2 Bd6 9.c4 dc4 10.Bc4 Ne7 11.Qb3 Be4 12.Nf3 Bf3 13.Qf3 b5 14.Be6 Nd7 15.Qh5 g6 16.Qh6 Qa8 17.0–0 Kd8 18.Re1 b4 19.Qg7 Re8 20.Re3 Bf4 21.Re2 Qa6 22.Re1 Qd6 23.Bf7 Bh2 24.Kh1 Rf8 25.ab4 Ra1 26.Ba1 Qb4 27.Bc3+– Qd6 28.Ba2 h5+/– 29.Re6 Nf5 30.Qg6 Qf4 31.Nd2 Qf2 32.Kh2= Nd4 33.Re4 Ne2 34.Re2 Qe2 35.Bd5 Qe3 36.Ne4 Qf4 37.Qg3 Qg3 38.Kg3 f5 39.Ng5 Ke7 40.Kf4 Kd6 41.Bc4 Nb6 42.Be5 Ke7 43.Bb3 c6 44.Ne6 Rg8 45.Nd4 Rg2 46.Nc6 Kd7 47.Nb8 Kd8 48.Be6 Rf2 49.Kg5 Ke7 50.Bf5 Rf5 51.Kf5 Nc4 52.Bf4 Kf7 53.Bg3 Ne3 54.Kg5 Ke6 55.Kh5 Kd5 56.Kg5 Ke4 57.Nd7 Kd5 58.Kf4 Kd6 59.Ne5 Nf1 60.Bf2 Kd5 61.Nf3 Kd6?? 62.Ke4 Ke6 63.Bh4 Kd6 64.Kd3 Ke6 65.Ke2 Kd5 66.Kf1 Kc6 67.Ke2 Kb7 1–0. COMP – COMP, 1 minute, 2002.

6.d4 e4 7.Bc3 Ra7 8.Bb5 c6 9.Be2 Bd6 10.Bh5 g6 11.Bg4 Bg4 12.Qg4 f5 13.Qh3 b5 14.Ne2 Qg5 15.0–0 Nf6 16.Nd2 Ra3 17.Ra3 Ba3 18.Nf4 Qg4 19.Qg4 Ng4 20.Ra1 Bd6 21.h3 Nf6 22.Ne6 Ke7 23.Nf4 g5 24.Ne2 h5 25.Ra8 b4 26.Bb2 Rf8 27.Ra7 Ke6 28.c4 Rf7 29.cd5 cd5 30.Ra2 Rc7 31.Nb3 f4 32.Bc1 f3 33.gf3 ef3 34.Ng3 Rc3 35.Rb2 Bg3 36.fg3 Ne4 37.Kf1 Nc6 38.Rb1 Kf5 39.Nd2 Ng3 40.Kf2 Ne4 41.Ne4 Ke4 42.Ke1 g4 43.hg4 hg4 44.Bd2 0–1. COMP – COMP, 2002.

4.b5 a4

5.c4 d5 6.e3 Be6 7.cd5 Qd5 8.Nc3 Qb3 9.Qb3 ab3 10.Nf3 c6 11.bc6 Nc6 12.Bb5 Nge7 13.0–0 (13.d4 0–0–0 14.0–0–0 ed4 15.Nd4 Bf7+=) 13...Kf7 14.d4 ed4 15.Nd4 Nd4 16.ed4 Nd5 17.Nd5 Bd5 18.Rac1 (18.Rfc1!? Bd6 19.h3+=) 18...Ba3–/+ 19.Ba3 Ra3 20.Rb1 Rc8 21.Rfd1 Rc2 22.f3? (22.Bd3 Raa2 23.Rf1 Rd2–+) 22...Raa2 (better is 22...b2 23.Rf1 Rd2–+) 23.Rdc1?? (23.Bf1–+) 23...Rg2 24.Kf1 Raf2 (24...Rh2 25.Rc7 Kg6 26.Bd3 Kh6 27.Be2 Rae2 28.Rb3 Bb3 29.Rc5 Bd1 30.Kg1 Reg2 31.Kf1 Bf3 32.Rh5 Kh5 33.d5 Rh1) 25.Ke1 Rc2 (better is 25...Rf3 26.Bc4 Bc4 27.Rc4 Rg1 28.Ke2 Rb1 29.Rc7 Ke6 30.Kf3 b2 31.Rb7 Rf1 32.Ke3 b1Q 33.Rb1 Rb1–+) 26.Kf1 (26.Rc2 bc2 27.Rc1–+) 26...Rh2 27.Kg1 (27.Ke1 Rh1 28.Bf1 Bc4 29.Rc2 Rf1 (worse is 29...Bf1 30.Rc7 Ke6 31.Kf2+=) 30.Kd2 Rf2 31.Kc3 Rc2 32.Kb4 Bd5 33.Rb3 Bb3 34.Kb3 h5–+) 27...Bf3 (27...Rcg2 28.Kf1 Bf3 29.Rc7 Kg6 30.Rg7 Kg7 31.Ke1 Rh1 32.Bf1 Re2 33.Kd1 Rf1) 28.Rc2 bc2 29.Rc1 Rh1 (29...Rh1 30.Kf2 Rc1 31.Bc4 Ke7–+) 0–1. Fournier,Frederic – guest3531, Active (2/0), 2005.

5.e3 d5 6.Nf3 Bg4 7.Be2 Bf3 (7...Bd6!?=) 8.Bf3+= c6 9.bc6 bc6 10.d3 Bd6 11.Nd2 Ne7 12.0–0 0–0 13.c4 Qc7 14.h3 Nd7 15.cd5 cd5 16.Rc1 Qb8 17.Rb1 Qb3?? Attacking the isolated pawn on a3 (better is 17...Qe8=) 18.Nb3+– ab3 19.Qb3 Nc5 (19...Ra5 20.Bc3 Ra3 21.Bd5 Kh8 22.Qb5 Rc3 23.Qd7+–) 20.Bd5 Kh8 21.Qa2 Nd5 22.Qd5 Rfd8 23.Qc4 Nd3 (23...Na4 24.Bc1+–) 24.Qd3 e4 (24...Ba3 25.Qf5 Be7 26.Rfc1+–) 25.Qe4 (25.Qe4 Re8 26.Qf3+–) 1–0. Fournier,Frederic (1750) – odontorock, Active, 2007.

4.b5 b6

5.c4 Bb7= 6.d3 Bc5 7.e4 Ne7 8.Nf3 c6 9.bc6 dc6 10.Be2 0–0 11.0–0 Nd7 12.Nh4 g5 13.Nf5 Nf5=+ 14.ef5 Rf7 15.Bf3 Rb8 16.Nd2 b5 17.cb5 cb5 18.Bb7 Rb7 19.Ne4 Qe7 20.Qg4 Kh8 21.h4 gh4= 22.Qh4 Rg7 23.g3 Bb6 24.Kg2 Rc7 25.Rac1 Rc1 26.Bc1 Bd4 27.Rh1 Bc5 28.Bh6 Rg8 29.Bc1 Rd8 30.Rd1 Rc8 31.Bb2 Bb6 32.f3 Rc2–/+ 33.Rd2 Rd2 34.Nd2 Qc5 35.Qh1?? Qf2–+ 36.Kh3 Qd2 37.Qc1 Qd3 38.Qc8 Kg7 39.Qc6 Qf1 40.Kg4 h5 41.Kh5 Qh3# 0–1. SuperJudge – Brause, ICS rated blitz match, 1995.

5.e3 d5 6.Nf3 Bc5 7.c4 Ne7 8.cd5 Nd5 9.Nc3 Nc3 10.Bc3 0–0 (10...Qe7 11.Qa4=) 11.Be2 Be6 12.0–0 c6 13.bc6 Nc6 14.Bb5 Na7 15.Be2 e4 16.Nd4 Bd4 17.Bd4 Nc6 18.Bb2 f5 19.d4 Qg5 20.Bb5 Ne7 21.Rc1 (better is 21.Qe2!?=) 21...f4–/+ 22.ef4?? (better is 22.Bc4 Bc4 23.Rc4 fe3 24.Qb3–+) 22...Qf4 (better is 22...Qb5 23.Rc2 Nd5–+) 23.Bc4 Bc4 24.Rc4 Nf5 (24...Nd5 25.Qe2+=) 25.Qe2 (25.Qb3 Rf7+=) 25...e3 (25...b5!? 26.Rc6 e3=) 26.d5+= Qg5 27.Rg4 ef2 28.Rf2 Qh6 29.Rf5! Rf5 30.Rg7 Qg7 31.Bg7 Kg7 32.Qe7 Rf7 33.Qg5 Kf8 34.Qh6 Kg8 35.Qe6 Raf8 36.h3 Kg7 37.Qb6 Rf6 38.Qc7 Kg6 39.d6 Rf1 40.Kh2 Kh6 41.d7 Rd1 42.Qc6 Kg7 43.Qc3 Kh6 44.Qe3 Kg7 45.Qe7 Kg8 46.Qe6 Kg7 47.Qe7 Kg8 48.Qe6 Kg7 49.Qe7 ½–½. Fournier,Frederic (1910) – chaska (1965), Active (5/0), 2005.

5.e4 Bb7 6.Nc3 Bc5 7.Bc4 Nh6 8.Qh5 Kf8 9.Nf3 Qe8 10.Qh4 Qg6 11.0–0 Qg4 12.Qg4 Ng4 13.a4 Nh6 14.Rad1 Nf7 15.d4 ed4 16.Nd4 Ne5 17.Bb3 Bd4 18.Rd4 d6 19.f4 Ng6 20.e5! de5 21.fe5 Ne5 (21...Ke8 22.ef6 gf6+–) 22.Rd8 (22.Rd8 Ke7 23.Rh8+–) 1–0. Szency,Sandor (1935) – Weiss,Frederic, RL–2006–0–00061, 2006.

5.e4 c6 6.d4 ed4 7.Bd4 c5 8.Be3 d6 9.Bc4+/– Qe7 10.Bg8+– Rg8 11.Qd5 Bb7? 12.Qg8 Qe4 13.Ne2 Qc2 14.Qe6 Kd8 15.Qf7 Nd7 16.Nf4 Qb2 17.Ne6 Kc8 18.Qe8 1–0. lucya (2140) – thecorm, GameColony.com, 2002.

4.b5 c5

5.c4 d5= 6.cd5 Qd5 7.Nc3 Qf7 8.e3 Be6 9.Be2 Nd7 10.Nf3 Nb6 11.d3 Nh6 12.0–0 Be7 13.Nd2 0–0 14.Bh5 g6 15.Be2 Rfd8 16.Na4 Na4 17.Qa4 b6 18.Rac1 Nf5 19.Nc4 Rab8 20.Rfd1 h5 21.Qc2 Bf8 22.Bc3 Bh6 23.Bd2 Kh7 24.Qb2 Qb7 25.h3 Rd7 26.Rb1 Rg8 27.Bc3 Bf7 28.Nd2 Bg7 29.Rbc1 Qc8 30.Nf3 g5 31.g4 hg4+= 32.hg4 Ne7 33.d4+= cd4 34.ed4 e4 35.Nd2 Bg6 36.Nf1 Nd5 37.Ne3 Nf4 38.Rc2 Rh8 39.Bc4 Bf8 40.Rcd2?? Kg7 41.Bf1 Qb8 42.Bg2 Ng2–+ 43.Kg2 Qh2 44.Kf1 Qh1 45.Ke2 Qf3 46.Ke1 Rh1 47.Nf1 e3 48.Re2 Rf1 (48...Rf1 49.Kf1 Qh1#) 0–1. Sviridov,Valentin – Lanc,Alois, Hornicky Kahanec, 1980.

5.e4 b6? 6.Nc3 Ne7 7.Bc4 Bb7 8.Nge2 d5 9.ed5 Nd5 10.0–0 Nc3 11.Nc3 (worse is 11.Bc3 Bd5 12.Bd5 Qd5+/–; 11.dc3?! Qd1 12.Rad1 Nd7+=) 11...Nd7 (11...Qd4 12.d3+–) 12.Qg4 Qe7 13.Nd5 Bd5 14.Bd5 Ra7 (14...0–0–0 15.Bf3 g6 16.Qe4+–) 15.Bc6 h5 16.Qf5 Qf7 (16...Kd8+–) 17.f4 g6 18.Qe4 Bg7 (18...Qe6+–) 19.fe5 f5 20.e6 fe4 21.Rf7 (21.ef7?! Kf8 22.c3 Nf6+–; 21.ed7?! Qd7 22.Bg7 Qc6 23.bc6 Rg7+/–; 21.Bd7?! Rd7 22.ef7 Kf8+=) 21...Bb2 22.Raf1 (22.Rd7?! Rd7 23.ed7 Kd8+/–) 22...Bd4 (22...Kd8 23.ed7 (23.Rd7?! Rd7 24.ed7 Bd4 25.Kh1 Bg7+/–) 23...Ra8 24.Ba8+–) 23.Kh1 Kd8 24.ed7 (24.ed7 Ra8 25.Ba8+–; 24.Rd7?! Rd7 25.ed7 Bg7+/–) 1–0. Valenta,Vit jr (2140) – Skaloud,Dusan (1950), 26th Czech Rapid G1, 2015.

5.e4 d6!? +/–.

4.b5 Bc5

5.d4 ed4 6.Bd4 Bd4 7.Qd4 Ne7 8.Nc3 0–0 9.Rd1 d6 10.b6 cb6 11.Qd6 Qd6 12.Rd6 Nbc6 13.e4 f5 14.f3 fe4 15.fe4 Bg4 16.h3 Bh5 17.Bc4 Kh8 18.Bd3 Rae8 19.g4 Bg6 20.Rd7 Nc8 21.Nge2 Ne5 22.Rb7 (22…Rf3 23.Bb5+/–). kamret (2225) – michaelalan (2055), GameColony.com, 2003.

5.e3 c6 6.Nf3 (6.d4 Be7 7.de5 d6 8.ed6 Bd6+/–) 6...cb5 (6...Bf8 7.d4 e4 8.Nfd2+=) 7.Bb5+/– Qb6 8.a4 Ne7 9.Nc3 0–0 10.Rb1 Bb4 11.0–0 d6 (11...d5 12.Ne1=) 12.Qe2 (12.Ba3 Nbc6+=) 12...Be6= 13.d4 Bd7 (13...Rc8 14.de5 Bc3 15.Bc3 Rc3 16.ef6 gf6 17.Nd4=) 14.de5 de5 15.Rfd1 Bb5 16.Nb5 Nec6 17.c3 Bc5 18.Ba3 Rd8?? (better is 18...Ba3 19.Qa2 Kh8 20.Qa3 Na6+/–) 19.Rd8 (better is 19.Qc4 Kh8 20.Bc5 Qa6+–) 19...Qd8 (19...Nd8 20.Qc4 Kh8 21.Bc5+–) 20.Bc5 Nd7 (20...Qd7 21.Nd6 Qe6 22.Rb7+–) 21.Rd1 (21.Qa2 Kh8 22.Nd6 Qg8 23.Nf7 Qf7 24.Qf7 Nc5+–) 21...b6 (21...Nc5 22.Qc4 Kh8 23.Rd8 Rd8 24.Kf1+–) 22.Ba3 (22.Qc4 Kh8 23.Nd6 Qe7 24.Nf7 Qf7 25.Qf7 Nc5+–) 22...Qe8 (22...Kh8 23.Qc4 e4+–) 23.Qc4 Kh8 24.Qc6 Rc8 25.Qd7 Qd7 26.Rd7 h6 27.h3 g5 28.Nd2 h5 29.Ne4 h4 30.Nf6 Rc3 (30...Rc7 31.Nc7 g4 32.Rh7) 1–0. Fournier,Frederic – zzoroo, Chess.com (3+0), 2013.

5.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 a5 5.b5 Bc5).

5.e3 Ne7 6.d4+/– ed4? (better is 6...Bd6+/–) 7.Qh5+– Ng6 8.Qc5 de3 9.Qe3 Kf7 10.Qd2 d6 11.Nf3 Re8 12.Be2 Qe7 13.Nc3 Bg4 14.0–0 Nd7 15.Ng5! fg5 16.Bg4 Nde5 17.Nd5 Qd8 18.Qd4 Nf4 (18...c5 19.Qe4+–) 19.Nf4 gf4 20.Qf4 Kg8 21.Rfe1 Ng4 22.Qg4 Re1 (22...Re7+–) 23.Re1 Qf8 24.Qd7. Fournier,Frederic (1770) – shalw (1770), rated blitz game (2/12), 2002.

5.e3 g6 6.Bc4 d5= 7.Ba2 Ne7 8.f4 ef4=+ 9.Bf6 0–0 10.Be7 Qe7 11.Bd5 Kh8 12.Nf3 fe3 13.d4 Bd6 14.Qe2 c6 15.bc6 bc6 16.Bb3 c5 17.dc5 Be5 18.Ra2 Ba6 19.c4 a4 20.Ba4= Qc5 21.Bb3 Qa5 22.Kd1 Rd8 23.Kc1 Nc6 24.Qe3 Bg7 25.Re2 Rab8 26.Rd1 Rd1 27.Kd1 Bc4 28.Bc4 Rb1 29.Kc2 Rb2 30.Kd1 Qa4 31.Bb3 Re2 32.Ke2+= Qa3 33.Qe8 Bf8 34.Qf7 Qe7 35.Qe7 Be7 36.Ke3 Kg7 37.Ke4 h5 38.Ba4 Nb4 39.Be8 Bd6 40.g3+= Na2 41.Nh4+/– Nc3 42.Kd3 Nd1 43.Kd4 Ba3 44.Ng6 Bb2 45.Kd3 Nf2 46.Kc2 Ba3 47.Nf4 h4 48.gh4 Bd6 49.Nd3 Ng4 50.h3 Nf6 51.Bc6 Bg3 52.Kd2 Kh6 53.Bf3 Bh4 54.Ke3 Bg3 55.Kd4 Kg5 56.Bg4 Ng4= 57.hg4 Kg4 ½–½. mtrc – Caissa, internet, 2002.

5.e3 g6 6.d4 ed4 7.ed4 Qe7 8.Be2 Bd6 9.Nf3 Nh6 10.0–0 Qe6 11.Nbd2 Qf5 12.Bd3+– Qh5 13.Re1 Kd8 14.Nc4 Qb5 15.Qd2 g5 16.Nd6 Qb6 17.Nc4 Qb5 18.Qe2 Nc6 19.Nd6! cd6 20.Bb5 Kc7 21.Qc4 g4 22.Nd2 Kd8 23.Qd5 g3 24.fg3 Ng4 25.Qf7 Na7 26.Be2 h5 27.Bg4 Kc7 28.Bf3 Rb8 29.d5 b5 30.Bf6 Bb7 31.Bh8 Rh8 32.a4 Rb8 33.ab5 Nb5 34.Qg7 Ra8 35.Reb1 Ba6 36.Ra5 h4 37.Bg4 Kb6 38.Bd7 hg3 39.Rab5 Bb5 40.Rb5 Kc7 41.Bc6 Kd8 42.Qd7# 1–0. mtrc – Caissa, internet, 2002.

5.e3 g6 6.d4 ed4 7.ed4 Qe7 8.Ne2 Bd6+= 9.Nbc3 b6 10.Nd5 Qe6 11.c4 Bb7 12.Ne3 Nh6 13.d5 Qf7 14.Qd4 Be5 15.Qe4 0–0 16.0–0–0 Qe7 17.Qh4 Nf7 18.Kb1 Re8 19.Be5 Ne5 20.d6 cd6 21.Nc3 Qe6 22.Bd3 Nd3+= 23.Rd3 Ra7 24.Rhd1 g5 25.Qh6 Qf7 26.Rd6 Re6 27.Ng4 Bg2 28.Nf6 Qf6 29.Qf6 Rf6 30.Rf6 d5 31.Rg1 Nd7 32.Rc6 d4 33.Rg2 dc3 34.Rg5 Kf7 35.Kc2 Ra8 36.Rh5 Rh8 37.Kc3 Ke7 38.Rch6 Rc8 39.Rh7 Ke6 40.R5h6 Nf6 41.Rb7 Rf8 42.Rb6 Kd7 43.Rbf6 Re8 44.b6 Re7 45.Rf8 Re1 46.Ra8 Rc1 47.Kd2 Re1 48.Ke1 a4 49.Ra7 Kd8 50.Rh8# 1–0. mtrc – Caissa, internet, 2002.

5.e3 g6 6.d4 ed4 7.Bd4 Bd4 8.Qd4 Qe7 9.Nc3+/– c5 10.Qd5 Qe5 11.Qe5+– fe5 12.Nf3 Ne7 13.Rd1 0–0 14.Ne5 Rf6 15.Ne4 Rf5 16.Nc4 d5 17.Nb6 Ra7 18.Nc5 Kg7 19.Be2 Re5 20.g4 h6 21.Rg1 Kf6 22.Rg3 g5 23.f4 gf4 24.ef4 Re2 25.Ke2 Be6 26.Ne6 Ke6 27.Re3 Kf7 28.Re7! Ke7 29.Nc8 Ke6 30.f5 Ke5 31.Na7 Nd7 32.Kf3 Nc5 33.Nc8 d4 34.Nb6 a4 35.h4 h5 36.gh5 Kf5 37.Rd4 Ne6 38.Rd7 Kf6 39.h6 Nf8 40.Rg7 Ng6 41.Nd5 Kf5 42.Ne7 Ne7 43.Re7 Kf6 44.Rb7 Ke5 45.h7 Kd4 46.h8Q Kd5 47.Rd7 Ke6 48.Qd4 Kf5 49.Qf4 Ke6 50.Rd6 Ke7 51.Qf6 Ke8 52.Rd8# 1–0. mtre – Caissa, internet, 2002.

5.e4 d5 6.ed5 Qd5 7.Nc3 =.

5.e4 d6 6.Nf3 Be6 7.d4 ed4 8.Nd4 Bf7 9.Qg4 g6 10.Bd3 Ne7 11.Ne6 Be6 12.Qe6 Nd7 13.0–0 Rf8 14.Qh3 h5 15.Nc3 Ne5 16.Na4 Qd7 17.Qh4 0–0–0 18.Nc5 dc5 19.Rad1 c4 20.Bc4 Qd1 21.Rd1 Rd1 22.Bf1 g5?? 23.Qh5+– Rfd8 24.Be5 1–0. b4_player (2250) – spleen74 (1870), GameColony.com, 2003. .

5.c3 d5

6.d4 Bd6 7.a4 Ne7 8.Ba3 Ba3 9.Na3 0–0 10.g3 Bf5 11.Bh3 Bh3 12.Nh3 c6 13.Qb3 Qc8 14.Ng1 Nd7 15.Rd1 Kh8 16.g4 cb5 17.Nb5 Ra6 18.f3 Nb6 19.e3 Nc4–+ 20.Kf2 e4 21.h3 f5–+ 22.g5 f4 23.ef4 Qf5 24.Qc2?? e3 25.Kg3 Qc2 26.Ra1 Nf5 27.Kg4 Qg2 28.Kh5 g6# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

6.d4 Bd6 7.c4 dc4 8.e4 ed4 9.Qd4 Qe7 =.

6.d4 Bd6 7.e3 Be6=+ 8.a4 Ne7 9.g4 0–0–/+ 10.Ba3 Ba3 11.Na3 Nd7 12.c4 ed4 13.ed4 Ng6 14.h4 Qe7–+ 15.Nc2 Bg4 16.Be2 dc4 17.Kf1 Be6 18.d5 Bf7 19.Bc4 Qe4 20.Rh3 Qc4 21.Qd3 Bd5 22.Qc4 Bc4 23.Ne2 Be2 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

6.d4 Bd6 7.de5 Be5 8.Nf3 Bg4 =.

6.e3 Ne7 7.f3 0–0 8.g4 Be6 9.h4 Nd7 10.h5 e4 11.Bg2 Ne5–+ 12.Kf1 ef3 13.Bf3 Nf3 14.Qf3 Qd7 15.Qg3?? Qb5 16.Ne2 Qb2 17.Qc7 Rfc8 18.Qf4 Qa1 19.Kg2 Ra6 20.h6 Rb6 21.hg7 Rb1 22.Rb1 Qb1 23.Qf6 Bg4 24.Kf2 Qd3 25.Nf4 Qd2 26.Kg3 Bd7 27.a4 Nf5 28.Kf3 Qe3 29.Kg2 Qf2 30.Kh3 Qg3# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004. .

5.c4 Ne7

6.e3 0–0 7.Nc3 d6 8.d4 ed4 9.ed4 Bb6 10.Nf3 Re8 11.Be2 Ng6 12.0–0 Nf4 13.Re1 Bg4 14.Qd2 Ne2 15.Re2 Re2 16.Ne2 Bf3= 17.gf3 c6 18.a4 Nd7 19.Ng3 d5 20.c5 Bc7 21.b6 Bb8 22.Re1 Nf8 23.Qe3 Qc8 24.Kg2 Ng6 25.Qe8 Qe8 26.Re8 Kf7 27.Rc8 Nh4 28.Kf1 Nf3 29.Nf5+= Nd2 30.Ke2 Nc4 31.Ba1 g6 32.Nd6 Nd6 33.cd6 Ke6 34.Rh8 h5 35.Bc3 g5 36.h4 gh4=+ 37.Bd2 h3 38.Kf3 h2 39.Kg2 h4 40.Bf4+= Bd6 41.Ra8 Bf4 42.Ra7 c5–/+ 43.dc5 d4 44.c6 bc6 45.Ra8 h3 46.Kh1=+ c5 47.Rd8 Ke7?? 48.Rd5+– Ke6 49.Rc5 Kd7 50.Ra5 Be5 51.Rb5 d3 52.Rb1 d2 53.a5 Kc8 54.a6 Kb8 55.a7 Kb7 56.Rd1 Bd4 57.Rd2 Bb6 58.Rd7 Ka8 59.Kh2 Bf2+/– 60.Rf7 Ba7 61.Kh3 Bd4 62.Kg4 Kb8 63.Kf5 Kc8 64.Ke6 Be5 65.Rf6 Bf6= ½–½. companula – Caissa, Live Game Caissa's Web, 2005.

6.e3 0–0 7.d4 ed4 8.ed4 Ba7 9.Bd3 d5 10.c5 g6 11.Ne2 b6 12.c6 Re8 13.0–0 Bg4 14.Re1 Qd6 15.Nbc3 Kh8 16.Qd2 Bf5 17.Nf4 Bd3 18.Re6 Qd8 19.Qd3 Rf8 20.Rae1 1–0. orane – Caissa, 2003.

6.e3 0–0 7.d4 ed4 8.ed4 Ba7 9.Qf3 d5 10.Bd3 dc4 11.Bc4 Kh8 12.Ne2 c6 13.Nbc3 Nf5 14.Rd1 Re8 15.0–0 Bb6 16.d5 Ne3 17.dc6+– Nd1 18.Rd1 Qe7 19.Nd5 Qd6 20.Nef4 Qc5 21.Nf6! Re7 22.cb7 Rb7 23.Qe4 Qf2 24.Kh1 Qg2 25.Ng2 gf6 26.Bf6 Rg7 27.Qe8# 1–0. orane – Caissa, internet, 2003.

6.e4 0–0 7.h4 d6=+ 8.g3 f5–/+ 9.f3 fe4–+ 10.fe4?? Bf2 11.Ke2 Bg4 12.Kd3 Bd1 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

6.g3 0–0 7.Bg2 d5 8.cd5 Qd6 9.Nc3 Qb6 10.e3+= Bd7 11.a4 Rd8 12.Nge2 Bf5 13.d4 ed4 14.ed4 Bd6= 15.0–0 Nd7 16.Qd2 Re8 17.Nf4 g5 18.Ne6+/– Bb4 19.Ng5?? fg5–/+ 20.Qg5 Bg6 21.d6 Bc3 22.Bc3+= cd6 23.Rae1 Nf5 24.h4+/– Re1 25.Re1 Qc7 26.Ba1 Qc4?? 27.h5+– Qb4 28.Rf1 Rf8 29.hg6 h6 30.Bd5 Kg7 31.Qc1 Qa4 32.Bb7 Kg6 33.Bc6 Nf6 34.b6 Qb4 35.b7 d5 36.Qc2 Rg8? 37.Rb1 Qd6 38.Qc5 Qe6 39.b8Q?? Rb8= 40.Rb8 Qe1 41.Kg2 Qe4 42.Kg1 Qe1= 43.Kg2 Qe4 44.Kg1 Qe1= ½–½. companula – Caissa, Live Game Caissa's Web, 2005.

5.d4 Bd4

6.Bd4 ed4

7.Qd4 Ne7

8.Qc4 d5 9.Qb3 Nd7 10.e3 0–0 11.Nd2 Nc5 12.Qa2 c6 13.a4 Bf5 14.c4 d4 15.Ngf3 de3 16.fe3 b6 17.Nd4 Qd6 18.Nf5 Nf5–+ 19.Qa3 Ne3+/– 20.Qc3?? Rfe8 21.Be2 Rad8 22.Ra2 Qf4 23.g3 Ng2 24.Kd1 Qe4 25.Rg1 Qb1 26.Qc1 Rd2! 27.Kd2 Rd8 28.Kc3 Qb3 (28...Ne4) 0–1. TheFuehrer – Caissa, Live Game Caissa's Web, 2004.

8.Qc4 d5 9.Qh4 0–0 10.g4 Qd6–/+ 11.c3 Qf4 12.e3? Qe4–+ 13.f3 Qc2 14.c4? Qc1 (15.Ke2 Qb2 16.Kd1 Qa1–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

8.e3 0–0 9.Bc4 d5= 10.Ba2 c6 11.a4 Nf5 12.Qd3 Kh8 13.c4 d4 14.e4 Re8 15.Ne2 Nd6 16.Qd4 Re4 17.Qd3 b6 18.f3 Re7 19.g4 Qd7 20.Nbc3= Nf7 21.Qd7+= Bd7 22.Kf2 f5 23.h3 Ne5 24.Rhe1?? Nd3–/+ 25.Kf1 Re3 26.Red1 Rf3 27.Kg2 fg4 28.hg4 Ne5 29.Rab1 Re3 30.Rb2 g5 31.Rbd2 Bg4–+ 32.Rd8 Kg7 33.Kf2 Rh3 34.Ne4?? Rh2 35.Kg3 Re2 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

8.e3 d6 9.Nf3 =.

8.Nc3 0–0

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2 Re8 16.Qg4 b6 17.Nef4 Re5 18.0–0 Qd7 19.c4 Ne7 20.Qe2 Qe8 21.Rfe1 Nd5 22.cd5 Nd7 23.Qf3 Nc5 24.Rb1 g5 25.Ne2+/– Qf7 26.Red1 Ra8 27.Rd4 Rae8 28.Ng3 Qg6 29.Re1 Nb3 30.Rdd1 Nc5 31.Qe2 f5 32.Nf1 Qf7 33.Qc4 f4 34.Qd4 fe3 35.Ne3+/– Qf4 36.Qb2 Kg8 37.Re2 Rf8 38.Rd4 Re4+= 39.Re4 Qe4 40.Rd2 Rf7 41.Rd4 Qe5= 42.Rd2 Qf4 43.Re2 Nd3 44.Qd2 Qd4 45.g3 Ne5 46.Qd4 Nf3 47.Kg2 Nd4 48.Rb2 Kg7 49.h3 Kf6 50.Ng4 Kg6 51.a4 h5 52.Ne3 Re7 53.Ra2 Kf6 54.Rd2 Nb3 55.Rc2 Ke5 56.Re2 Rf7=+ 57.Rb2 Nc5–/+ 58.Ra2 h4 59.f3 hg3 60.Ra1 Rf4–+ 61.Kg3 Ra4 62.Re1 Nd3 63.Rd1 Rd4 0–1. orane (1945) – Caissa (1790), Live Game Caissa's Web, 2003.

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2 Re8 16.Qg4 Re5 17.Ng3 c6 18.Nb6 Qe6 19.Nf5 Rf5 +–.

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2 Re8 16.Qg4 Re5 17.Ng3 Ne7 18.Qc8 Nc8 19.f4 Rd5 20.Rd5 Nb6 21.Rd4 +–.

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2+– Re8 16.Qg4 Re5 17.Ng3 Ne7 18.Qc8 Nc8 19.f4 Re6 20.Nc7 Re3 21.Kd2 Re7 22.Nd5 Rd7 23.f5 Rd8 24.Ne4 Re8 25.Rhe1 Re5 26.c4 Nd7 27.g4 Ra8 28.Kc3 b6 29.h3 Ra7 30.a4 Ra8 31.h4 Rb8 32.h5 h6 33.Nf4 Re8 34.Ne6 Re7 35.Nd6 Ne5 36.c5 Ng4 37.Nc4 Re8 38.c6 Nf2 39.Rd2 Nh3 40.c7 Rb7 41.Rd8 Rg8 42.Rg8 Kg8 43.Rd1 Nf4 44.Rd8 Kf7 45.Nf4 Rc7 46.Ng6 Rc4 47.Kd3 Rc3 48.Kc3 Ne7 49.Rf8# 1–0. orane – Caissa, 2003.

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2 Re8 16.Qg4 Re5 17.Ng3 Ne7 18.Qc8 Nc8 19.f4 Re6 20.Nc7 Re3 21.Kf2 b6 22.Ke3 Rc7 23.Nf5 Rc2 24.Rhe1 +– (< 24.Nd6 Ne7+–).

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2 Re8 16.Qg4 Re5 17.Ng3 Ne7 18.Qc8 Nc8 19.f4 Re6 20.Nc7 Re3 21.Kf2 Re7 22.Rhe1 Nc6 23.Nf5 b6 24.bc6 Rac7 25.Ne7 h5 26.Nc8 Rc8 27.Rd6 Kg8 28.Re8! Re8 29.c7 Kf7 30.Rd8 Re4 31.c8Q Rf4 32.Ke3 Rh4 33.Rd7 Kg6 34.Qe8 Kh6 35.Qh8 Kg5 36.Qg7 Kf5 37.Rd5 Ke6 38.Qd7# 1–0. orane (1920) – Caissa (1810), Live Game Caissa's Web, 2003.

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 Ra7 15.Ne2+– Re8 16.Qg4 Re5 17.Ng3 Ne7 18.Qc8 Nc8 19.f4 Re6 20.Nc7 Re7 21.Nd5 Rf7 22.e4 +–.

9.Rd1 Kh8 10.e3 d6 11.Bd3 Bf5 12.Bf5 Nf5 13.Qe4 Qc8 14.Nd5 g6 15.h4 +/–.

8.e4 0–0

9.Nc3 Kh8

10.Bc4 Ng6 11.Nge2 Ne5 12.Ba2 d6 13.f4 Ng6 14.0–0–0 Nd7 15.h4 Nc5 16.h5 Ne7 17.f5 Qd7 18.h6 g6 19.g4 a4 20.g5 gf5 21.gf6 Ng6 22.f7 Ne5 23.Rhg1 Ne6? 24.Rg8! Rg8 25.fg8R Kg8 26.Qg1 Kf8 27.Be6 Qe6 28.Qg7 Ke8 29.Nd5 Kd8 30.Qf8 Qe8 31.Qf6 (31.Qf6 Kd7 32.Nb6 cb6 33.Qd6#) 1–0. mukachewo – marekt, gameknot.com, 2001.

10.Bc4 Ng6 11.g3 Ne5 12.Ba2 Qe7 13.a4 Qa3 14.Rb1 d6 15.f4 Nf7 16.Kd2 c6 17.Rb3+/– Qc5 18.Qc5 dc5 19.Ke3 Nd6 20.Rb1 Rd8 21.Nge2 Bg4 22.Rhe1 Re8 23.Rbd1 Ne4 24.Ne4+/– f5 (25.Be6 Be2 26.Re2 fe4+/–). holmwood – Caissa, Live Game Caissa's Web, 2004.

10.Rd1 d6 11.Bc4 Nd7 12.f4 Nb6 13.Ba2 Bg4 14.Rd2 f5 15.e5 de5 16.fe5 Qd4 17.Rd4 c5 18.Rd6 Nec8 19.Rd2 Re8 20.e6 f4 21.h3 Be6–/+ 22.Be6 Re6 23.Re2 Re3 24.Re3 fe3 25.Nge2 Nc4 26.a4 N8d6 27.g4 Rf8 28.Rf1 Rf1 29.Kf1 Na3 30.b6 Nc2 31.Nb5?? Nb5 32.ab5 a4 33.Nc3 a3 34.Ke2 c4 35.h4 Kg8 36.g5 Kf7 37.h5 Ke6 38.Kd1 Nb4 39.h6 gh6 40.gh6 a2 41.Na2 Na2 42.Ke2 c3 43.Ke3 c2 44.Ke4 c1Q 45.Kf3 Qh6 46.Ke4 Qg5 47.Kd4 h5 48.Kc4 Qd5# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.Nd5 Nd5 11.Qd5 Re8 12.f4 c6=+ 13.bc6 bc6 14.Qc4 d5–+ (15.Qc5 Re4 16.Ne2 Ba6–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

10.Bc4 d5

11.Ba2 de4= 12.Qd8 Rd8 13.Ne4 c6 14.a4 Bf5–/+ 15.f3 Be4 16.fe4 Nd7 17.Ne2 cb5 18.ab5=+ Nc5 19.Nc3 a4 20.Rd1 a3 21.Rd8 Rd8 22.Ke2 Ng6 23.g3 Ne5 24.Rd1 Rc8 25.h3 g6 26.g4 Ne6 27.Kd2? Nd4 28.Kc1 Nef3 29.Bd5 Rc3 30.Bb7 Rc2 31.Kb1 a2 32.Ka1 Nb3# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Ba2 de4= 12.Qd8 Rd8 13.Ne4 c6 14.c4!? =.

11.Ba2 de4= 12.Qd8 Rd8 13.Ne4 c6 14.bc6 Nbc6=+ 15.Rd1 Rd1 16.Kd1 Bf5 17.Nc5 Rd8 18.Kc1 b6 19.Nb7? Rd7–+ 20.Na5 ba5 21.Ne2 h6 22.Rd1 Rb7 23.Bd5? Nd5 24.Rd5 Be4 (25.Rd6 Bg2–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.Ne4 Qf4 15.Rd1 Qe4?! 16.Qe4 Be4 17.d6 cd6 18.Rd6 –+.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.Ne4 Qf4 15.Rd1 Be4 =.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.Ne4 Qf4 15.Ne2 Qe4 –+.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.Nf3 Ne5 15.Ne5 fe5 +=.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 c5 15.bc6 Nc6 16.Qd2 Rae8 17.Nge2 Nb4 +=.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 c5 15.bc6 Nc6 16.Qe3 –+.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 c5 15.Qd2 Nb6= 16.Ba2 Rad8 17.Nge2 Rfe8 18.h3 Ned5=+ 19.Nd5 Nd5 20.Bd5 Qd5 21.Qd5 Rd5 22.Rf1 Rd4 23.g4 Rde4 24.Rf2 Be6 25.Rd1 Ra4–/+ 26.f5 Bc4 27.b6 Ra2–+ 28.Rc1 Rb2 29.Kd2 Rb6 30.Re1 Rd6 31.Kc3 b5 32.h4 Rd7 33.g5 Re3 34.Kb2 Rde7 35.gf6 gf6 36.h5 a4 37.h6 a3 38.Ka1 Re2 39.Rfe2 Re2 40.Re2 Be2 41.c3 Bc4 42.Kb1 Bb3 43.Kc1 c4 44.Kb1 b4! 45.cb4 c3 46.b5 a2 47.Ka1 c2 48.Kb2 a1Q! 49.Kb3 c1Q 50.b6 Qcc3# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 c5 15.Qd2 Nb6 16.Ba2 Rad8 17.h3 Nbd5 18.Nd5 Nd5 19.Bd5 Qd5 20.Qd5 Rfe8 21.Kf2 Rd5 22.c4 Rd2–/+ 23.Kg3 Ra2 24.Nf3 Ree2 25.Nh4 Ra3 26.Kh2 Rh3–+ 27.Kg1 Rh1 28.Kh1 Bc2 29.Nf5?? Bf5 (30.Rd1 Kg8 31.Rd8 Kf7–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 c5 15.Qd2 Nb6 16.Ba2 Rad8 17.h3 Nbd5 18.Nd5 Nd5 19.Bd5 Qd5 20.Qd5 Rfe8 21.Kf2 Rd5 22.Nf3 Rdd8 23.Rhe1 Re1 24.Ke1 Kg8 25.g4 Be4 26.Nd2 Rd4 27.Ne4? Re4–+ 28.Kd2 Rf4 29.c4 Rf2 30.Ke3–/+ Rh2 31.Kf4 Rh3 32.Rd1 Rc3 33.g5? Rc4 34.Kf5 Rd4 35.Rc1 Rd5 36.Ke6 Rg5 37.Kd6 Kf7 38.Rc5 Rc5 39.Kc5 h5 40.Kb6 h4 41.Kb7 h3 42.b6 h2 43.Ka6 h1Q 44.b7 Qh2 45.Ka7 g5 46.b8Q Qb8 47.Kb8 f5 48.Kb7 f4 49.Ka6 f3 50.Ka5 g4 51.Kb5 g3 52.a5 g2 53.a6 g1Q 54.Kc6 f2 55.a7 f1Q 56.a8Q Qc4 57.Kb7 Qb1 58.Ka7 Qa4# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 c5 15.Qd2 Nb6 16.h3?? Nc4 –+ (17.Qd1 Ne3–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.ed5 Bf5 12.Rc1 Qd6 13.a4 Nd7 14.f4 Rae8 15.Nge2 =.

11.ed5!? Bf5 12.Bd3 +/–.

11.ed5!? Nf5 12.Qf4 +/–.

11.Nd5 c6 =+ (12.bc6 bc6=+). excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Nd5 c6 12.bc6 bc6 (13.Rd1 cd5 14.Bd5 Ra6–/+) 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

9.Bc4 d5

10.Bd3 Be6 11.ed5 Qd5 12.Qd5 Bd5 13.f3 Nd7 14.Be4 Be4–/+ 15.fe4 c6 16.Nc3 cb5 17.Nb5 Nc5 18.Nd6 Nc8 19.Nc8 Rac8 20.Rb1 Rfe8 21.Kf1 Re4 22.Re1 Rc4 23.Re2 Rc3 24.Nf3 Ra3 25.Kf2 a4 26.Rhe1 Rd8 27.Re8 Re8 28.Re8 Kf7 29.Rh8 Rc3 30.Rh7 a3 31.Nd2 a2 32.Nb3 Nb3 33.cb3 a1Q 34.Rg7 Kg7 35.Ke2 Qb2 36.Kd1 Rc1# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.Bd3 Be6 11.ed5 Nd5 12.Qe4 Kf7 13.Qh7 +=.

10.Bd3 Be6 11.e5 Nf5 12.Bf5 Bf5 13.ef6 Rf6 14.c4 Re6 15.Ne2 Qg5 16.Nbc3+= dc4 17.Qc4 Qg2 18.Rg1?? Qg1–+ 19.Kd2 Qa1 20.Qc7 Qb2 21.Ke1 Qc1 22.Nd1 Qc7 23.h4 Qc1 24.a4 Nd7 25.h5 Rae8 26.h6 Bh3 27.hg7 Re2 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

10.Qd5 Nd5.

10.Bd5 Nd5

11.Qd5 Qd5 12.ed5 Bf5 13.Nc3 Bc2 14.Nge2 Bd3 +/–.

11.Qd5 Qd5 12.ed5 Bf5 13.Nc3 Bc2 14.Nf3 Re8 15.Kd2 Bg6 +=.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8+= 14.Kd1 Nd7 15.Nf3 Nc5 +=.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8 14.Kd2 Nd7 15.Nf3 Nb6 16.Rc1 =.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8+= 14.Kd2 Nd7 15.Nf3 Nb6 16.c5 Nd5 17.Nd4 =+.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8+= 14.Kd2 Re4 15.Kc3 Re1 16.Kb2 Rf1=+ 17.f3 Rf2–/+ 18.Kb3? a4 19.Kc3 Rc2 20.Kd4 Rc1 21.g4 Bb1 (22.Ke3 Nd7–+; 21...Rb1?! 22.Rb1 Bb1 23.Nh3–/+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8+= 14.Kd2 Re4 15.Ne2 Rc4 16.Rc1 Rc1 17.Kc1 Nd7 =.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8 14.Kd2 Re4 15.Ne2 Rc4 16.Nbc3 Nd7 =.

11.Qd5 Qd5 12.ed5 Bf5 13.c4 Re8 14.Ne2 Bd3 (15.Nbc3 Bc4=). excalibur – Caissa, Live Game Caissa's Web, 2004. .

5.e4 Ne7

6.Nc3 0–0 7.Bc4 Kh8 8.Nf3 =.

6.Nc3 d5 7.Qh5+= g6 8.Qf3 c6!? +=.

6.Nc3 d5 7.Qh5+= g6 8.Qf3 Qd6 9.ed5+/– Bf5 10.d3 0–0 11.g4 Bd7 12.Ne4 Qb6 13.Nc5 Qc5 14.c4 c6 15.dc6 Nbc6 16.Ne2 Nd8 17.Bg2 Be6 18.g5 fg5+/– 19.Qg3 Rf6? 20.Qe5+– Qe5 21.Be5 Rf5 22.Bc7 Rf7 23.Bd8 Rd8 24.Bb7 Rd3 25.Be4 Rd8 26.c5 Rdf8 27.f3 h6 28.Rc1 Bh3 29.Rg1 Rd8 30.c6 Rb8 31.a4 Rb6 32.Nd4 Rf4 33.Kd2 Kg7 34.Nb3 Bf5 35.Rge1 Nc8 36.Na5 Rh4 37.Nc4 Be4 38.Nb6 Rh2 39.Kc3 Nb6 40.Re4 Ra2 41.Kb3 Rf2 42.a5 Rf3 43.Rc3 Rc3 44.Kc3 Nd5 45.Kd4 Nc7 46.b6 Nb5 47.Ke5 g4 48.b7 g3 49.b8Q g2 50.Qb7 Kf8 51.Kf6 Nc7 52.Qc8 Ne8 53.Re8 (53.Qe8?!=) 1–0. NN – COMP, internet, 2002.

6.Nc3 d5 7.Qh5+= g6 8.Qf3 Qd6 9.ed5+/– Bf5 10.g4 Bc2 11.Rc1 e4 12.Qg2 Ba3 13.Ba3 Qa3 14.Rc2 Qa1 15.Ke2 f5 16.Qg3 Nd7 17.Qc7 Rc8 18.Qd6 b6? 19.Nh3 Rc5 20.Ra2 Qc1 21.Qe6 Nf8 22.Qe5 Rg8 23.Bg2 Nd7 24.Qe6 Rc3 25.d6 Rg7 26.Rc1 Rc1 27.d4 fg4 28.Ng5 h6 29.Ne4 Kd8 30.de7 Re7 31.Qg6 Rg1 32.Qg8 Re8 33.Qg4 Re7 34.Kd3 h5 35.Qg8 Re8 36.Qg5 Re7 37.Nd6 Nf6 38.Qf6 Rd1 39.Rd2 Rd2 40.Kd2 Kd7 41.Bh3 Re6 42.Qe6 Kc7 43.Qd7 Kb8 44.Qb7 1–0. NN – COMP, 2002.

6.Nc3 d6 7.Qh5 g6 8.Qh6 =.

6.Qh5 g6 7.Qh4 =.

6.Qh5 Ng6 7.Bc4 c6 8.Nc3 cb5 9.Nb5 Qb6 10.d4+– ed4 11.Nf3 d3 12.0–0+– Nc6 13.Nh4 Nce7 14.cd3 Qc6 15.d4 Bd6 16.d5 Qb6 17.Nf5 Nf5 18.ef5 Kf8 19.fg6 h6 20.Rae1 Bf4 21.d6! Qc6 22.Bf7 Be5 23.Re5 Qg2 24.Kg2 fe5 25.Qe5 Rh7 26.Qe7# 1–0. orane (2135) – Caissa (1920), Live Game Caissa's Web, 2004.

6.Qh5 Ng6 7.Bc4+= Qe7 8.Nh3 Qd6 9.0–0 Bd4 10.c3+/– Bc5 11.d3 c6 12.Nd2 cb5 13.Bb5 Qb6 14.a4 Nc6 15.Rab1 Rb8 16.Nb3 Be7 17.Bc1 Qc7 18.Be3 b6 19.f4+– Na7 20.f5 Nb5 21.ab5 Qc3 22.fg6 Qd3 23.Bh6! hg6 24.Qg6 Kd8 25.Bg7 Rg8 26.Qf7 Rg7 27.Qg7 Qe4 28.Qg8 Kc7 29.Nf2 Qe3 30.Rfe1 Qf4 31.Rec1 Kb7 32.Na5! ba5 33.Qd5 Kb6 34.Rc6!! dc6 35.Qc6 Ka7 36.b6 Rb6 37.Qb6 Ka8 38.Qb8 1–0. NN – COMP, internet, 2002.

4.b5 c6

5.a4 cb5 6.ab5 d5 7.e3 b6 8.d4 e4 9.c4 Be6 10.Nd2 Bb4 11.cd5 Bd5 12.Ne2 f5 13.Nf4 Bf7 14.Be2 Nf6 15.0–0 g5 16.Nh3 h6 17.Nc4 Nd5 18.Ne5 Be6 19.Bh5+/– Ke7 20.Ng6 Kf6 21.Nh8 Qh8 22.g4 Nd7 23.Rc1 Rc8 24.Rc6 Rc6 25.bc6 Nb8 26.Qc2 Qc8 27.gf5 Bf5= 28.Kg2?? Bh3–+ 29.Kg1 Bf1 30.Kf1?? Qh3 31.Ke2 Qh5 32.Kf1 Qh3 33.Ke2 Qf3 34.Kf1 Qh1 35.Ke2 Qe1 0–1. amator111 (1675) – bamid (1665), internet, 2011.

5.a4 cb5 6.ab5 d5 7.e3 Bd7 8.d4 Qb6 9.c4 ed4 10.Bd4+/– Qd6 11.c5 Qc7 12.b6 Qc8 13.Qc1 Nc6 14.Bb5 Nd4= 15.Bd7 Qd7 16.ed4 Ne7 17.Ne2 Nc6 18.0–0 Be7 19.Nbc3 0–0 20.Qd2 Rfe8 21.Rfe1 Bf8 22.Rab1 g6 23.Nb5 Bg7? 24.Nc7+– Rad8 25.Ne8 Re8 26.Nc3 f5 27.Re8 Qe8 28.Nb5 Qd7 29.Nd6 Bd4 30.Kf1 Bc5?? 31.Nc4 Bb4 32.Qd3 Qe6 33.Ne3 d4 34.Qc4 Qc4 35.Nc4 d3?? 36.Rd1= a4 37.Rd3 a3? 38.Na3+– Ne5 39.Rb3 Bc5 40.Nb1 Nd7 41.Nd2 Nb6 42.Ke2 Nd7 43.Rb7 Ne5 44.f3 Nc6 45.Rc7 Nd4 46.Kd3 Ne6 47.Rc6 Kf7 48.Nc4 Bg1 49.h3 Kf6 50.Ne3 g5 51.Nd5 Kf7 52.Ra6?? h6 53.Ra7?? Kg6 54.Ra6 Kf7 55.Ne3?? Nf4?? 56.Kc4?? Be3–+ 57.g3 Nh3 58.Rh6 Nf2 59.Rh7 Kg6 60.Rh8 Nd1?? 61.Kd3?? Bf2 62.Ke2 Bg3 63.Kd1 f4 64.Ke2+/– Kg7 65.Kd3?? Kh8–+ 66.Ke4 Kg7 67.Kf5 Kh6 68.Kg4 Kg6 69.Kh3 Kf5 70.Kg2 g4 (70...g4 71.fg4 Kg5 72.Kf3 Bh4 73.Kg2 Kg4 74.Kh1 Kg3 75.Kg1 f3 76.Kh1 Kf4 77.Kh2 Be7 78.Kh1 Ke3 79.Kg1 Ke2 80.Kh2 f2 81.Kh3 f1Q 82.Kg3 Qf3 83.Kh2 Bd6 84.Kg1 Qf1) 0–1. amator111 (1715) – egzystor, internet, 2011.

5.a4 d5 6.e3 Bd7 7.c4 cb5 8.ab5 b6 9.cd5 Bb4 10.Bc4 Ne7 11.Qh5 g6 12.Qh4 Nf5=+ 13.Qe4 Nd6 14.Qc2 Bf5 15.Qb3 Nd7 16.Ne2?? Nc5–+ 17.Qa2 Bd3 18.Bd3–/+ Nd3 19.Kf1 Rc8 20.Nbc3 Nc4 21.Bc1 e4 22.Nd4 Bc3–/+ 23.dc3 Qd5 24.Ba3 Nc5 25.Ke2 0–0 26.Rad1?? Qf7 27.Bc5 Rc5 28.Nc6 Qc7?? 29.Rd4+/– Re8? 30.Rhd1 Re6?? 31.g3 Rd6?? 32.Rc4 Rd1 33.Kd1 Rc4?? 34.Qc4 Kg7 1–0. bratek55 (1660) – hugr, internet, 2011.

5.a4 d5 6.e3 Bf5 7.d4 Bd6 8.Nd2 Nd7 9.c4 Bb4 10.cd5 cd5 11.h3 Rc8 12.Rc1 Ne7 13.g4 Be4 14.f3 Bg6 15.Kf2 Bd2 16.Qd2 0–0 17.Ne2 Qb6 18.Bg2 e4 19.f4 f5 20.Ba3 Rc1 21.Rc1 Re8 22.Ng3 Nc8? 23.gf5+– Bf7 24.h4 Nd6 25.Bf1 Nf6 26.Bc5 Qd8 27.h5?? Bh5?? 28.Nh5 Nh5 29.Bd6 Qd6 30.Be2 Nf6?? 31.Qa5+/– Qd7 32.Qc7 Qf5 33.Rg1 Qd7 34.Qd7 Nd7 35.Rc1 Ra8? 36.Bd1 Nb6 37.Rc5 Na4 38.Ba4 Ra4 39.Rd5 Ra5 40.Re5 Kf7+= 41.Re4 Rb5–/+ 42.Kf3 Rb1 43.Re5= b5 44.Ke4 b4 45.Rb5 g6? 46.d5 Ke7 47.Ke5 h5 48.Rb7 Kd8 49.Kd6 h4?? 50.Rb8 1–0. amator111 (1705) – hugr (1715), internet, 2011.

5.a4 d5 6.e3 Bf5 7.Nf3 Bd6 8.Be2 Bg6 9.0–0 e4 10.Nd4 c5 11.Nb3 b6 12.c4 Ne7 13.cd5 Nd5 14.Bc4 Nb4 15.Nc3 Qc7 16.g3 Nd7 17.Nd5 Nd5 18.Bd5 0–0–0 19.Rc1 Be5 20.Nd4 Bd4 21.ed4 Kb8 22.dc5 Nc5=+ 23.Bc6 h5 24.Rc5 bc5 25.Qc2 h4 26.Qc5 hg3 27.fg3 Rc8 28.Bd4 Rhd8?? 29.Be3+– Be8 30.Rc1 Bc6?? 31.bc6+– Ka8 32.Bf4 Qa7= 33.Qa7 Ka7 34.c7 Rd4?? 35.Ra1 Rc4 36.Kf2? R4c7?? 37.Bc7= Rc7 38.Ke3 Rc4 39.h4 g6 40.d3?? ed3–/+ 41.Kd3 Rg4 42.Rg1 Ra4 43.Rh1 Rg4 44.Rh3 f5 45.Kc3 Ka6 46.Kb3 Kb5 47.h5 gh5 48.Rh5 Rg3 49.Ka2 Rf3 50.Rh8 Ka4 51.Rd8 Rf2 52.Kb1 f4 53.Rd4 Ka3 54.Rd3 Kb4 55.Rd4 Kc3 56.Rd8 a4 57.Rc8 Kd3 58.Rd8 Kc3 59.Rc8 Kb3 60.Rb8 Kc3 61.Ra8 (61.Ra8 f3 62.Rc8 Kd3 63.Rf8–+) 1–0. bratek55 (1640) – hugr (1610), internet, 2011.

5.Nc3 cb5 6.Nb5 Qb6 7.e3 Nh6 8.c4 Bc5 9.d4+– ed4 10.ed4 Be7 11.Qh5 Kf8 12.Bd3 d6 13.Nf3 Bg4 14.Qd5 Nd7 15.Nh4 Nf7? 16.h3+– g5 17.hg4 gh4 18.Qe6 Nb8 19.c5 Qc6 20.cd6 Bd6 21.Bc4 Qd7 22.Qf7 Qf7 23.Bf7 (23.Bf7 Ba3 24.Ba3 Kf7 25.Rh4+–) 1–0. Wall,Bill – Miles, internet, 2005.

5.Nc3 d5 6.e3 d4 7.ed4 ed4 8.Na4 c5? (8...Bf5 9.Qe2 Ne7 10.Qc4=) 9.Bc4 (9.Qe2!? Kd7 10.c3+–) 9...b6 10.Qe2 Qe7?? (better is 10...Ne7+/–) 11.Nb6+– Ra7 1–0. Fournier,Frederic – spline (1640), Active (3/0), 2006.

5.c4 d5 6.cd5 cd5 7.e3 a4 8.Nf3 Be6 9.Be2 Qd7 10.Nc3 Nh6 11.0–0 Nf5 12.Na4 Nd6?? (better is 12...Qc7+/–) 13.Nb6+– Qd8 14.Na8 Nd7 15.Qa4 Nc5 16.Qa7 (better is 16.Qc2 Qa8 17.d4+–) 16...Nde4?? (16...Nc8 17.Qb8 Bd6 18.Nc7 Bc7+–) 17.d3 Nd6 18.d4 (better is 18.b6 Nc8 19.Qa5+–) 18…Nc8 (18...Nc8 19.Nc7! Qc7+–). Fournier,Frederic – kidicarus, Active, 2007.

5.c4 d5 6.e3 Be6 7.cd5 cd5 8.Nf3 Bd6 9.Be2 Nd7 10.0–0 Nh6 11.Nc3 0–0 12.Rc1 g5 13.Qb3 Nb6 14.Na4 Na4 15.Qa4 Qe8 16.h3 g4 17.hg4 Ng4 18.Nh2 Nh2 19.Kh2 e4 20.g3 Qg6 21.Rh1 Kh8 22.Qd4?? Be5–+ 23.Qb6 Bg4?? 24.Be5= Be2 25.Rhe1?? Bf3 26.Bf4 Qh5 (26...Qh5 27.Kg1 Qh1) 0–1. vihavald (1670) – endlessrayne (1765), internet, 2011.

5.bc6 bc6 6.e3 d5 7.Be2 Bd6 8.Nf3 Ne7 9.c4 0–0 10.cd5 cd5 11.Nc3 Be6 12.0–0 Nbc6 13.d3 Nc8 14.Nb5 Be7 15.Rc1 N8a7 16.Na7 Na7 17.Qa4 Rb8 18.Rb1 Qd7 (18...d4 19.Ba1 (19.ed4?? Bb3 20.Qb3 Rb3–+) 19...de3 20.fe3+=) 19.Qd7 (better is 19.Qa5!? Rfc8 20.Qd2+=) 19...Bd7+= 20.Rfc1 Bb5 (20...Rfe8 21.Be5 Rb1 22.Rb1 fe5 23.Rb7=) 21.Rc7 Nc6 22.Nd2? (better is 22.Bc1 Bd6 23.Rb5 Bc7 24.Rd5–/+) 22...Rfc8?? (better is 22...Bd6 23.Rd7 Nd4 24.Rg7 Kg7 25.ed4 ed4 26.Bd4 Rfe8–+) 23.Rc8 (23.Be5!? Ne5 24.Rb5 Rc7 25.Rb8 Kf7 26.Nf1+=) 23...Rc8= 24.Be5 (better is 24.Bf3 Bd3 25.Bd5 Kf8 26.Rc1=) 24...Ne5–/+ (worse is 24...fe5 25.Rb5 Ba3 26.Rd5+/–) 25.Rb5 Rc1?? (better is 25...Rc2–/+) 26.Nf1+/– Ba3 27.Ra5+– Bb4 28.Rb5 Bf8 29.Rb8 Kf7 30.g3 Re1 31.Rb2 h5 32.Kg2 g5? 33.Bh5+– Ke6 34.Nd2 Nd3 35.Rb6 Bd6 36.Nb3 Kd7 37.Nd4 Be5 38.Nf3 Ra1 39.Rb5 Kc6 40.Rb3 Nc5 41.Be8 Kc7 42.Rb5 Ne4 43.Ne5+– fe5 44.Rd5 Ra2 45.Re5 Nf2 46.Kf3?? g4 47.Kf4 Nd3 48.Ke4 Ne5 49.Ke5 Rh2 50.Kf4 Re2 51.Bh5 Kd6 52.Bg4 Re1 53.e4 Ke7 54.e5 Rf1+= 55.Bf3 Ke6 56.g4 Rf3 57.Kf3 Ke5 58.Ke3 Ke6 59.Kf4 Kf6 60.Ke4 Kg5 61.Kf3 Kg6 62.Kf4 Kf6 63.g5 Kg7 64.Kf5 Kf7 65.g6 Kg8 66.Kf6 Kf8 67.g7 Kg8 68.Kg6 ½–½. Fournier,Frederic – alentejano36 (1695), Active, 2006.

5.bc6 Nc6 6.c4 Bc5 7.Nc3 Nge7 8.Na4 Bd4 9.Bd4 Nd4 10.e3 Ndc6 11.Rb1 0–0 12.Nb6 Rb8 13.d4 d5 14.cd5+/– Nd5 15.Bc4+– Be6 16.de5 Ne5? 17.Bd5 Bd5 18.Nd5 (18.Nd5 b5 19.Nf3+–; 18.Qd5 Qd5 19.Nd5 b5+–) 1–0. Wall,Bill – Pragmatist, Microsoft Gaming Zone, 1999.

5.d4 Bd6 6.e3 Ne7 7.de5 Be5 8.Be5 fe5 9.Qh5 Ng6 10.Bd3 Qf6 11.Bg6 Qg6 12.Qe5 Kf7 13.Qf4 Qf6 14.Nc3 cb5 15.Nge2 d5 16.Nb5 Bf5 17.Nd6 Kg6 18.Rd1 Nc6 19.Rd5 Ne7 20.Rf5 Nf5 21.Qg4 Qg5 22.Nf4 1–0. aspasio – acaudron (2220), net–chess.com, 2014.

5.e3 cb5 6.Bb5+= b6 7.Qf3 Ra7 8.Qg3 Ba6 9.a4 h5 10.Qg6+/– Ke7 11.Ba3 d6 12.Nc3 Bb7? 13.Bc4+– Kd7 14.Qf7 Qe7+/– 15.Bb5 Bc6 16.Bc6 Nc6 17.Qe7 Be7+= 18.Nd5 Nh6 19.Nb6 Ke6+= 20.Ne2 Rb8=+ 21.Nc4 d5 22.Be7 Ne7 23.Na3 Rab7 24.0–0 Rb4 25.Rfb1+= Nc6 26.Nb5 Na7?? 27.Rb4+– ab4 28.Na7 Nf7 29.a5 Nd6?? 30.a6 Ra8 31.Nc6 Nb5 32.Nb4 Kd6 33.Nc3 Kc5 34.Nb5 Kb5 35.Nd5 Ra6 36.Ra6 Ka6 37.f4 ef4 38.Nf4 (38.Nf4 g5 39.Nh5+–) 1–0. jackson1 (1785) – We3D, internet, 2007.

5.e3 d5 6.Bd3 e4 7.Be2 Bc5 8.d4 ed3 9.Bd3+= Ne7 10.Nf3 0–0= 11.0–0 Nf5 12.c4+/– Be6 13.cd5 Bd5?? 14.Bf5+– 1–0. Wall,Bill – Greener, internet, 2004.

5.e3 d5 6.d4 ed4 7.Bd4 Nh6 8.Nf3 Nf5 9.c4 dc4 10.bc6 Nc6 11.Bc4 Nfd4 12.Nd4 Nd4 13.ed4 Bd6 14.0–0 Bh2 15.Kh1 Bf4 16.Nc3 f5 17.Re1 Kf8 18.Qf3 Qh4=+ 19.Kg1 Qh2 20.Kf1= Qh1 21.Ke2 Qh6 22.Kd3 Bd7 23.Rab1 Rc8 24.Rb7 Qd6 25.Ra7 Rd8 26.Ra5 Bc8?? 27.Rd5 (27.Rd5 Qf6 28.Qf4 Rd5 29.Nd5+–) 1–0. Woelfelschneider,Peter – Sicker,Rolf, KO–07.F01 ETC, 2004.

5.e3 Ne7 6.c4 a4 7.Nc3 cb5 8.Nb5 Ng6 9.d4 e4 10.Be2 d6+= 11.Nc3 Bd7 12.Ne4+– Bc6 13.d5 Bd7 14.Nf3 Be7 15.0–0 Ne5 16.Ne5 de5 17.d6 Bf8 18.c5 Nc6 19.Bc4 h5? 20.Qd5 Qa5 21.Bc3 Qa7 22.Nf6! gf6 23.Qf7 Kd8 24.Qf6 Ne7 25.Qh8 Ng6 26.Qf6 Ke8 27.Qg6 (27.Qg6 Kd8 28.Qf6 Be7 29.Qe7 Kc8 30.Qf8 Be8 31.Qe8; 27.Bf7) 1–0. PeterRs – SIRMO, ChessWorld.net, 2006.

5.e3 g6 6.c4 c5 7.Nf3 b6 (7...d5 8.cd5 Qd5 9.Nc3+/–) 8.d3 (8.Ne5!? d5 9.Nf3+–) 8...Bb7 9.Nc3 Ne7 10.Be2 h5 11.h3 Nf5 (11...d5 12.d4 cd4 13.ed4+=) 12.Qc2 Bf3 (better is 12...Bh6!?+=) 13.Bf3+– (worse is 13.gf3 Bg7+/–) 13...Ra7 14.Nd5 g5? (14...Nh4 15.d4 cd4 16.ed4+–) 15.a4 (better is 15.d4!? Nh4 16.de5 Kf7+–) 15...Bg7 16.0–0–0 (16.Qe2 h4+–) 16...d6 17.g4 (17.d4 Ne7 18.de5 fe5+–) 17...hg4 18.hg4 Nh4 19.Qe2 Qd7 20.Nb6 Qe6? (20...Qd8 21.Nd5+–) 21.Nd5 (21.Bd5 Qe7 22.Nc8 Qc7 23.Na7 Qa7+–) 21...Re7 (21...Qc8 22.Be4+–) 22.e4 (better is 22.Ne7!? Qe7 23.Be4 Nd7+–) 22...Nf3 (22...Rb7 23.Bc3+–) 23.Qf3 Rh1 24.Rh1 Nd7 (24...Rb7 25.Rh7 Kf7 26.Bc3+–) 25.Rh7 (25.Nc7 Kf7 26.Ne6 Re6+–) 25...Rf7 (25...Nf8 26.Ne7 Nh7 27.Nd5+–) 26.Qh3 (better is 26.Nc7 Ke7 27.Ne6 Ke6 28.Qf5 Ke7+–) 26...f5?? (26...Nf8 27.Rh5 Qd7+–) 27.gf5 (27.Nc7 Ke7 28.Ne6 Ke6 29.ef5 Ke7+–) 27...Qf6 (27...Qd5 28.cd5 g4 29.Qh4+–) 28.Nf6 Nf6 29.f3 d5 30.cd5 g4 31.fg4 Bf8 32.Rf7 Kf7 33.Be5 c4 34.Bf6 Kf6 35.dc4 Ba3 36.Kc2 Ke5 37.Qa3 Ke4 38.d6 Kf4 39.d7 Kg4 40.d8Q Kf5 41.Qf3 Ke5 42.Qdd5 (42.Qdf6) 1–0. Fournier,Frederic (1835) – FilomenoCorrale, Active, 2008.

5.e4 d5 6.ed5 cd5 7.d4 e4 8.c4 Be6 9.cd5+= Bd5 10.Nc3 f5 11.Nd5 Qd5 12.Rc1 Nf6 13.Rc8 Kd7 14.Bc4 Kc8 15.Bd5+– Nd5 16.Ne2 Nd7 17.Qc1 Kd8 18.Qg5 Be7 19.Qg7 Rf8 20.Qh7 Rc8 21.Bc1 Rc2 22.Bh6 Re8 23.Qf5 Ra2 24.Qd5 Ra1 25.Bc1 Ba3 26.0–0 Bb4 (26...Bc1 27.Qb7 e3 28.Qa8 Ke7 29.Qe4 Kd8 30.Qh4 Kc8 31.Nc1 Rb1 32.fe3 Rb5+–) 1–0. mrkt (2165) – sekere (2170), ICC, 2003.

5.e4 d5 6.ed5 cd5 7.Ne2 Bc5 8.d4 ed4 9.Bd4 Qb6 10.a4 Ne7 11.c3 Bf5 12.Nd2 0–0 13.g3 Bd3 14.Bc5 Qc5 15.Nd4 Qc3 16.Ne6?? Qe5–+ 17.Be2 Qe6 18.Ra3 Be2 19.Qe2 Qe2 20.Ke2 Nd7 21.Rd1 Nc5 22.Nf3 Ne4 23.Nd4 Rac8 24.Rd2 Rfe8 25.Kf1 Nd2 26.Kg2 Rc4 (26...Rc4 27.Nf3 Ne4–+) 0–1. bratek55 (1645) – hugr (1610), internet, 2011.

5.e4 d5 6.ed5 cd5 7.Nf3 a4 8.Be2 Bc5 9.0–0 Qb6 10.c4 d4 11.d3 Ne7 12.Nbd2 0–0 13.Ne4 f5 14.Nc5 Qc5 15.Re1 Nd7 16.Nd2 b6 17.Bf3 Ra7 18.g3 g5 19.Bc1 g4 20.Bg2 Rf6 21.f3 gf3 22.Nf3 Bb7 23.Nh4 e4 24.de4 fe4? 25.Bf4?? e3?? 26.Qg4+– Ng6 27.Ng6 Rg6 28.Qd7 Bg2 29.Qa7 Be4 30.Qb8 Kg7 31.Be5 Kf7 32.Rf1 Ke6 33.Qe8 Qe7 34.Qe7 Ke7 35.Bd4 e2 36.Rfe1 (36.Rfe1 Bd3 37.c5 bc5 38.Bc5 Kd7 39.b6+–) 1–0. bratek55 (1650) – hugr, internet, 2011.

4.b5 d5

5.a4 Bc5 6.e3 Ne7 7.Nf3 0–0 8.Be2 c6 9.0–0 Bd7 10.c4 Qb6 11.Nc3 d4 12.ed4 ed4 13.Ne4 Bb4 14.d3 Nf5 15.g4+/– Nh6 16.Bd4 c5= 17.Be3 Ng4 18.Nh4 Ne3=+ 19.fe3 Bh3 20.Bg4? Bf1–+ 21.Qf1 Qc7 22.Qf3 Nd7 23.Ra2 Ne5–+ (23...Ne5 24.Qg3 Qb6–/+) 0–1. Onkel_Luis (1680) – ARISoz (1770), ICC, 2003.

5.Nc3 d4 6.Na4 Bg4 (6...Be6 7.e3 de3 8.de3 Qd1 9.Rd1=) 7.h3 (7.Nf3 Nd7+=) 7...Bh5 (7...Be6 8.Nf3+=) 8.Nf3+= Qd5 (8...Nd7 9.c3 dc3 10.Nc3+=) 9.e3 (9.c3 Bf3 10.gf3 Nd7+/–) 9...de3+= 10.de3 Qd1 11.Rd1 Nd7 12.Bc4 Bd6 13.0–0 e4 14.g4 Bg4 15.hg4 ef3 16.Bd5 h5 (16...0–0–0 17.Bf3 Ne7 18.Kg2+/–) 17.Bb7 (17.Bf3 hg4 18.Bg4 Ne7+=) 17...Rb8+= 18.Bf3 hg4 19.Be2 Ne7 20.c4 (20.Nc3 f5+=) 20...Rh5 21.Nc3 (21.Rd2 Kf7 22.f4 f5=) 21...Nc5= 22.f4 f5 23.Kg2 (23.Rf2 Kf7 24.Bf1 Nc8=) 23...Kf7 24.Rh1 Rbh8 25.Rh5 Rh5 26.Rh1 (26.b6 Rh3 27.Bc1 Bf4 28.ef4 Rc3 29.bc7 Ne6+=) 26...Rh1 27.Kh1 g5 28.fg5 Kg6 29.Kg1 Kg5 30.Kg2 (30.Bf1 Ne4 31.Bd3 Nd2=) 30...Ng6 (30...Nd7 31.Bc1=) 31.Nd5 Nh4 32.Kg1 Ne4 33.a4 Nf3 34.Kg2 ½–½. valeriuzaharia (2015) – nordlicht (1985), gameknot.com, 2012.

5.e4 d4 6.Bc4= c5 7.bc6 (7.Ne2 Nd7=) 7...bc6 8.c3 c5 9.cd4 cd4 10.Nf3 Bc5? (10...Nc6 11.Qc2 Nge7 12.0–0=) 11.Bb5 (11.Ne5 fe5 12.Qh5 Kd7 13.Qe5+=) 11...Bd7 12.Qa4 (12.a4 Ra7=) 12...Ne7 13.0–0 0–0?? (13...Qb6 14.Bd7 Nd7 15.Bc1=+) 14.Qb3?? (better is 14.Qc4 Kh8 15.Qc5+–) 14...Kh8= 15.Bd7 (15.a4 Ra7=) 15...Nd7=+ 16.d3 a4 17.Qa2 Qa5 18.Nbd2 Rab8 19.Nc4 Qa7 20.Rab1 Nb6 21.Nb6 Rb6 22.Nd2 Rfb8 23.Nc4 Rb3 24.Ba1 h5 (24...Rd3!? 25.Ne5 fe5 (< 25...Ra3 26.Nf7 Kg8 27.Rb8 Qb8 28.Qc4+=) 26.Rb8 Qb8–/+) 25.Rb3= ab3 26.Qb2 h4 27.f4 Qd7 (better is 27...Ng6 28.fe5 Ne5 29.Ne5 fe5=+) 28.fe5+/– fe5 29.Rf7 (better is 29.Ne5 Qe6 30.Nf7 Kg8 31.Qc1+/–) 29...Qe6 30.Rf3 (30…Nc6 31.Qf2=). b4_player (1855) – pucela (1830), GameColony.com, 2002.

5.e4 de4 6.Qh5 g6 7.Qe2 =+.

5.Nf3 Bd6 6.Nc3 Be6 7.e4 =.

5.Nf3 Bg4 6.h3 (6.d4 e4 7.Nfd2 Qd7=) 6...Bf3 7.ef3 Ne7 (7...Bc5 8.Nc3=) 8.Be2 Nf5 9.0–0 (9.f4 ef4 10.0–0 Qd7=) 9...Bc5 10.Bd3 Ne7 (10...Ng3 11.Re1=) 11.Re1 (11.f4 ef4 12.Qg4 0–0+=) 11...Nd7 12.c4 0–0 13.cd5 Nd5 14.Bc4 (14.Qc2!? g6 15.Be4+=) 14...N7b6= 15.Ba2 Qd7 16.Nc3 Kh8 (16...Rfd8 17.Qc2 Bf8 18.Rac1=) 17.Ne4 (better is 17.Nd5!? Nd5 18.d4 Bd4 19.Bd4 ed4 20.Qd4+=) 17...Qb5–/+ 18.Nc5 (18.Qc2 Bd4 19.Bd4 ed4 20.Rab1=+) 18...Qc5=+ 19.Rc1 (19.d4 ed4 20.Bd4 Qd6=+) 19...Qb5 20.Rb1 (20.Qc2 Nf4 21.Bb1 Ng6=+) 20...Qd3–/+ 21.Re4 Nf4 22.Rc1 Rfc8 23.Rc3 Qd7 24.d4 Na4–+ 25.Rc2 Nb2 26.Rb2 c5 27.d5 b5 28.Rd2 Qf5 29.Bb1 Qg5 30.Rf4? Qf4–+ 31.Qc2 g6 32.d6 c4 33.d7 Rd8 0–1. belly – Zippy, ICS game, 1994.

5.d4 ed4

6.Qd4 Bd6 7.Nf3 Ne7 8.Nc3 c5 9.bc6 Nbc6 10.Qd2 0–0 11.Nd5+= Be6 12.Nf4 Bc4 13.Rb1 Qc7 14.e3 Bf1 15.Nd5 Nd5= 16.Qd5 Kh8 17.Kf1 Rfd8 18.Qe6 Re8 19.Qb3 a4 20.Qc4 Qb6 21.Nd2 Ra5?? 22.Bc3+– Ne5?? 23.Rb6 Nc4 24.Nc4 Rd5 25.Nd6 Re6 26.Nf7 Kg8 27.Nh6! gh6 28.Re6 Rd1 29.Be1 Ra1 30.Rf6 Ra3 31.Rb6 Ra2 32.c4 a3 33.Rb3 Ra1 34.Rb7 a2 35.Ra7 Kf8 36.Ke2 Ke8 37.Rf1 Kd8 38.Ba5 (38.Ba5 Kc8 39.Ra1 Kb8 40.Rh7 h5 41.Rd1 a1Q 42.Rd8#) 1–0. marus1 – razobazam, internet, 2001.

6.Bd4 c5 7.bc6 bc6 8.e3 c5 9.Bb2 Ne7 10.Bb5 Kf7 11.c4 Ba6 12.Nc3 Qb6? 13.Nd5+– Qb7 14.Ba6 Ra6 15.Rb1 Nd5 16.Qh5 g6 17.Qd5 Qd5 18.cd5 Rd6 19.Rd1 Bg7 20.Bc3 a4 21.Nf3 Rhd8 22.Ba5 R8d7 23.e4 Ra7 24.Rb1 Nd7 25.Bd2 Raa6 26.Kd1 f5 27.Ng5 Kg8 28.f3 Rdb6 29.Kc2 Rb3 30.Rb3 ab3 31.Kb3 Rb6 32.Ka4 Rb2 33.Ba5 c4 34.Bb4 fe4 35.Ne4 Rg2 36.Kb5+– Rc2 37.h3 h6 38.Rg1 g5 39.f4! Bd4? 40.Rd1 Be3 41.fg5 hg5 42.a4 Rh2 43.Ng5! Rb2? 44.Kc4 Nb6 45.Kb5 Nd7 46.Ne6 Kf7 47.a5 Nf6 48.Kc4 1–0. woschkat (1995) – vpliousnine (1980), net–chess.com, 2001.

6.Bd4 c5 7.bc6 bc6 8.e3 Be6 9.Ne2 Bd6 10.Nf4 Bf4 11.ef4 Ne7 12.Bd3 Qd6 13.Qh5 Bf7 14.Qg4 0–0 15.Nc3 Ng6 16.Ne2 c5 17.Bb2 Nc6 d4 18.Rb1 d4 19.0–0 Rfe8 20.Rfd1 Rab8 21.c4 a4 22.Qf5 Rb3 23.Nc1=+ Nce7 24.Qh5 Rb6 25.Ne2 Reb8 26.Rd2 Rb3 27.Qf3 Nh4 28.Qg4 Bg6 29.Bg6 Nhg6 30.Nc1 Ra3! 31.Qd1 Nf4 32.Ba3 Rb1 33.g3 Nh3 34.Kg2 Ng5 35.Qa4 Qc6 36.Qc6 Nc6 37.Nd3 Na5 38.Bc5 Nc4 39.Re2 Rd1 40.Re8 Kf7 41.Re7 Kg6 42.Nf4 Kf5 43.Nh5 d3–/+ 44.Ng7 Kg6 45.f4 d2–+ 46.f5 Kh6 47.h4 Re1 48.hg5 Kg5 49.Rd7 d1Q 50.Rd1 Rd1 51.Bd4 Nd6 52.Kf3 Nf5 53.Ne6 Kg6 54.Nf4 Kf7 55.Bf2 Rd2 56.g4 Nd6 57.Be3 Rc2 58.Bd4 f5 59.gf5 Nf5 60.Be5 Rd2 61.Bc3 Rh2 62.Ke4 Nd6 63.Kd5 Ne8 64.Ke4 h5 65.Be5 h4 66.Kf5 Rh1 67.Kg4 Re1 68.Bb8 Rb1 69.Be5 Rb5 70.Bc3 Rc5 71.Be1 Nf6 72.Kh4 Rf5 73.Bd2 Ne4 74.Be3 Rg5 75.Ne6 Re5 76.Nd8 Kg8 77.Nc6 Re6 78.Nd4 Rg6 79.Kh5 Rg2 80.Nf5 Kh7 81.Kh4 Kg6 82.Kh3 Rc2 83.Kg4 Rc4 84.Kf4 Ng5 85.Ke5 Nf7 86.Kd5 Ra4 87.Nd6 Ra5 88.Bc5 Nh6 89.Nc4 Ra6 90.Bd4 Nf5 91.Ke5 Ra8 92.Bc5 Re8 93.Kd5 Rd8 94.Nd6 Kf6 95.Kc6 Nh4 96.Kc7 Rg8 97.Kc6 Nf3 98.Kb5 Rg4 99.Ka5 Ne5 100.Kb5 Nd3 101.Kc6 Rg6 102.Bd4?? Ke7 103.Kd5 Nb4 104.Kc4 Nc6 105.Bc5 Ke6 106.Ne4 Ne5 107.Kd4 Rg1 108.Bd6 Rd1 109.Kc5?? Rd5 110.Kb6 Nc4 111.Kc6 Na5 112.Kc7 Rd4 113.Nc5 Kd5 114.Nd7 Nc4 115.Bg3 Rd3 116.Bf2 Nd6 117.Bc5 Ne4 118.Be7 Rc3 119.Kb6 Rc2 120.Kb5 Nc3 121.Kb4 Ne2 122.Nb6 ½–½. Fritz 8 – Doctor? 3.0, 2004.

6.Bd4 c5 7.bc6 Nc6 8.e3 Bd6 9.Bb5 Nge7 10.Nf3 0–0 11.Nbd2 Nf5 12.c3 Be6 13.0–0 Rc8 14.Qb3 Qd7 15.Bb6 d4 16.Bc4 Bc4 17.Nc4 Qf7 18.e4 Ne5 19.Na5 Nf3 20.gf3 Qb3 21.Nb3 Rc3 22.Rfb1 Nh4 23.Nd4 Be5 24.Rd1 Bd4 25.Bd4 Rc4 26.Ba7 Ra8 27.Bb6 Nf3 28.Kg2 Nh4 29.Kh3 Re4 30.Rd7 Rf4 31.Bc5 b5 32.Rb1= Re8 33.Bd6 Rf3 34.Bg3 Ng6 35.Rb5 Ra3 36.Rbb7 Nf4 37.Kg4 Ne6 38.f4 Ra5 39.f5 h5 40.Kh5 Rf5 41.Kg4 Rc5 42.Rf7 Ra8 43.Rfe7 Ra4 44.Kf3 Rc3 45.Ke2 Ra2 46.Kd1 Rd3 47.Kc1 Re2 48.Rb2 Rc3 49.Kb1 Rce3 50.Kc1 Rb2 51.Kb2 f5 52.Kc1 g5 53.Bd6 f4 54.h3 f3 55.Bg3 Re2 56.Kd1 Rg2 57.Ke1 Rg3 58.Re6 Kh7 59.h4 g4 60.Kf1 Rh3 61.Rf6 Kg7 62.Rf5 Rh4 63.Kg1 Kg6 64.Rf4 Kg5 65.Rf7 Rh6 66.Kf2 Rh2 67.Ke3 Re2 68.Kd3 g3 69.Rf3 g2 70.Ke2 g1Q 71.Kd3 Qg2 72.Ke3 Qg4 73.Rf2 Qe6 74.Kd3 Qd5 75.Ke3 Qc5 76.Ke2 Kg4 77.Ke1 Qe3 78.Kf1 Kg3 79.Rg2 Kf4 80.Rf2 Kg4 81.Rg2 Kf5 82.Rf2 Kg6 83.Rg2 Kh7 84.Rh2 Kg7 85.Rg2 Kh8 86.Rh2 Kg7 87.Rg2 Kf6 88.Rf2 Ke5 89.Re2 Qe2 90.Ke2 ½–½. COMP – COMP, 2002.

6.Bd4 c5 7.bc6 bc6 8.e3 Qe7 9.Nf3 c5 10.Bc3 d4 11.Bd2+= Nd7 12.Bb5 Rb8 13.Qe2 de3 14.Be3 Nh6 15.Nc3 Nf5 16.Nd5+– Qe4 17.Bc6 Kd8 18.Ng5! Qe8 19.Qd2 Ne3 20.Qa5 Rb6 21.fe3 fg5 22.0–0–0 Qe6 23.Nb6 Qc6 24.Nd7 Ke7 25.Nb8 Qb7 26.Qd8 Ke6 27.Rhf1 h6 28.Qe8 Be7 29.Qf7 Ke5 1–0. COMP – COMP, 2002.

6.Bd4 Ne7 7.e3 Be6 8.Nf3 Nd7 9.Bd3 Nf5 10.0–0 Nd4 11.Nd4 Bf7 12.Nc3 Qe7 13.Re1 0–0–0 14.Na4 Qe5 15.Qd2 Bd6 16.f4 Qh5 17.Qa5 Kb8 18.b6 cb6 19.Nb6 Nb6 20.Nc6 Kc8 21.Nd8 Rd8 22.Qb6 Bc7 23.Qa7 Bb8 24.Qa8 Be8 25.Rab1 Bc6 26.Ba6! Qf7 27.Rb6 Qc7 28.Reb1 Rd7 29.Rc6! Qc6 30.Bb5 Qd6 31.Bd7 Qd7 32.Rb3 Qc6 33.Kh1 f5 34.a4 h5 35.Rb5 Kc7 36.Qa5 b6 37.Qd2 Qc4 38.Qd1 Kc6 39.h4 g6 40.Qa1 Bd6 41.Qb2 Qa4 42.Rb6 Kc5 43.c3 Qa5 44.Rb7 Kc6 45.Rg7 Qd8 46.Qb7 Kc5 47.Qb4 Kc6 48.Qa4 Kc5 49.Kg1 Qc8 50.Rg6 Qc7 51.Qb4 Kc6 52.c4 Qe7 53.cd5 Kc7 1–0. COMP – COMP, 2002.

6.Bd4 g6 7.e3+= c5 8.bc6 bc6 9.c4 Ba6 10.Nd2 c5 11.Bb2 d4 12.ed4 cd4 13.Ngf3 Nc6 14.Qa4 Qd7 15.Nd4 Bb7 16.f3 Rd8 17.N4b3 Kf7 18.Ne4 Qf5 19.c5 Ne5 20.Na5 Be4 21.Qe4 Qe4 22.fe4 Nd3? 23.Bd3 Rd3 24.Ke2 Rd7 25.c6 Ra7 26.Nb7 Ke6 27.Rhd1 Nh6 28.Rd8 Kf7 29.Bf6! Kf6 30.c7 Rb7 31.c8Q Rb2 32.Kd3 Ke7 33.Rd7 Kf6 34.Rf1 Nf5 35.Qd8 Ke5 36.Rf5! gf5 37.Qa5 Rb5 38.Qb5 Bc5 39.Qc5 Ke6 40.Qf5 1–0. COMP – COMP, 2002.

6.Nf3 c5 7.bc6 Nc6 8.Nd4 Qb6 9.Ra2 Bc5 10.e3 Nd4 11.ed4 Bd6 12.Nc3 Ne7 13.Qh5 g6 14.Qf3 0–0 15.Nd5 Nd5 16.Qd5 Kg7 17.Qb5 Qc7 18.Be2 Qc2 19.0–0 Qc6 20.d5 Qb5 21.Bb5 Bf5 22.Bd4 Rfc8 23.a4 Kf7 24.Rb2 Rc7 25.Re1 Rac8 26.Bb6 Rc1 27.Ba5 Re1 28.Be1 Rc1 29.Re2 Bb4 30.Kf1 Bc2 31.f4 Ra1? 32.d6 Bd6? 33.Rc2 1–0. kamret (2215) – NN, GameColony.com, 2003.

5.d4 Bd6

6.c4 ed4 7.Nf3 Ne7 8.cd5 Nd5 9.Nd4 0–0 10.e3 Be5 11.Qc2 Kh8 12.Nd2 Re8 13.N2f3 Bg4 14.Ne5 fe5 15.Nf3 Bf3 16.gf3 c6 17.Rg1 Nf6 18.Rd1 Qc7 19.Rc1 Qe7 20.Qf5 Nbd7 21.bc6 bc6 22.Rc6 Rab8 23.Qc2 Qf7 24.Rg5 Qd5 25.Rc7 Qd6 26.Bc1 Qf8 27.Bh3 Rbc8 28.Bd7 Nd7 29.Rg7 Kg7 30.Rd7 Kf6 31.Qd2 Qc5 32.Bb2 Rg8 33.f4 Rg1 34.Ke2 Ke6 35.Be5 Qc4 36.Rd3 Rd8 37.Bd4 Qb5 38.Qa2 Ke7 39.Qb3 Qf5 40.h3! Qh5 41.Kd2 Qf5 42.Qb7 Ke8 43.e4 Qf4 1–0. Baer,Werner – Hanison,Bernard, TT–14.06 ETC, 2004.

6.de5 Be5 7.Be5 fe5 8.e4 =.

6.de5 fe5

7.Qd5?? Bb4 8.Qd2 Bd2 9.Nd2 Qe7 –+.

7.Nf3 d4 8.c3 dc3 9.Nc3 Nf6 10.e4 +=.

7.Nf3 d4 8.c3 c5 9.bc6+= dc3 10.Nc3 Nc6 11.Ne4 Bc7 12.Qd8 Kd8 13.Rd1 Ke7 14.Nc3 Nf6 15.Nb5 Bb8 16.Rc1 Rd8 17.e3 Bg4 18.Nd2 Be6 19.e4 Ng4 20.Nf3 a4 21.Be2 Nf6 22.Ng5 Bb3 23.f3 h6 24.Nh3 Nd4 25.Bf1 Nc2 26.Kf2 Rd2 27.Kg3 Bf7 28.Bc3= Nh5 29.Kh4 g5 30.Ng5 hg5 31.Kg5 Rf2 32.g3 Kf8 33.Bd3= Ne3 34.Be1 Ra2? 35.Bb4 Kg7= 36.Rc8 Rf2 37.Nc7 Bc7 38.Ra8 Kh7 39.Bc5+– Rd2 40.Rc8 Ng7 41.Bb5 Ng2? 42.Kf6 Ba5 43.Kf7 b6 44.Bf8 Nh5 45.Rc6 Rd7 46.Ke8 Rg7 47.Bg7 Kg7 1–0. Fritz 6 – Doctor? 3.0, 2004.

7.Nf3 d4 8.e3 de3!? 9.fe3 Nd7 =.

7.Nf3 d4 8.e3 Qe7 9.ed4+/– ed4 10.Be2 c5 11.bc6 Nc6 12.0–0 Nf6 13.Re1 Bg4?? 14.Nd4+– Be2 15.Re2 Bh2 16.Kh2 Ne5 17.Nf5 Nfg4 18.Kg3 Qg5 19.Nd6 Kf8 20.Ne4 Qh5 21.Qd6 Kg8 22.Be5 Ne5 23.Qd5 Kf8 24.Nbc3 Qg4 25.Kh2 Qh4 26.Kg1 Ng4 27.Qc5 Kg8 28.Qc4 Kf8 29.Qc7 Qd8 30.Qc5 Kg8 31.Ng5 Ne5 32.Qe5 Qf6 33.Qd5 Kf8 1–0. COMP – COMP, 1 minute, 2002.

7.Nf3 Nf6 8.Ne5 0–0 9.e3 Bf5 10.Nf3 c6 11.Bd3 Bd3 12.cd3 cb5 13.Nc3 b4= 14.Nb5 ba3 15.Ba3 Ba3 16.Ra3 Nc6 17.0–0 Ng4 18.Qa4 Nb4 19.Nbd4 Qd6 20.Qb5 b6 21.h3 Nf6 22.Rc3 Nd7 23.Nc6 Rac8 24.Rfc1+/– Kh8 25.Nb4 Rc3 26.Rc3 Qb4 27.Qb4 ab4 28.Rb3 Kg8 29.Rb4 Kf7 30.Ng5+– Ke7 31.Nh7 Rf7 32.Rd4 Rf5 33.f4 b5 34.g4 Rf7 35.Rd5 b4 36.Rb5 b3 37.d4 Kd6 38.Ng5 Rf8 39.Rb3 g6 40.Rb7 Kc6 41.Ra7 Nf6 42.Rg7 Rg8 43.Rg8 Ng8 44.e4 Kb5 45.Kf2 Kc4 46.Ke3 Ne7 47.f5 gf5 48.gf5 Ng8 49.e5 Kd5 50.f6 Nf6 51.ef6 Kd6 52.f7 Ke7 53.d5 Kd6 54.Kd4 Ke7 55.h4 Kf8 56.d6+– Kg7 57.d7 Kh6 58.f8Q Kh5 59.d8Q Kh4 60.Qf4 Kh5 61.Qh8 Kg6 62.Qh7# (62.Qff6#) 1–0. orane – Caissa, caissa.com, 2006.

5.d4 e4

6.c4 dc4 7.e3 Qd5 8.Qc2 Bf5 9.Bc4+/– Qd7 10.Nc3 c6 11.bc6 Nc6 12.Ne4 Nh6 13.Nf3 0–0–0? 14.d5+– Kb8 15.dc6 Qc6 16.Bd3 Rd3 17.Qd3 Be4 18.Qd8 Qc8 19.Qa5 Bc5 20.Rc1 b6 21.Qb5 Rd8 22.Nd4 Bg2 23.Rg1 Be4 24.Rg7 Bb7 25.Qa4 Nf5 26.Nb5 Qc6 27.Qa7 Kc8 1–0. Fritz 6 – Comet B25, 2004.

6.c4 dc4 7.e3 Bd6 8.Bc4 Bf5 9.Ne2 Nh6 10.0–0 Ng4 11.h3 Nh2 12.Re1 Nd7 13.Ng3+– Nb6 14.Be2 Bg3 15.fg3 Nd5 16.Kh2 Qe7 17.Nc3 0–0–0 18.Nd5 Rd5 19.Qa4 b6 20.Qc2 Rhd8 21.Bc4 R5d6 22.Rf1 Bg6 1–0. Fritz 8 – Comet B50, 2004.

6.c4 dc4 7.e3 Bd6 8.Bc4 Bf5 9.Ne2 Nh6 10.Nbc3 c6 11.Qc2 Qe7 12.Ng3 Bg3 13.hg3 Nf7 14.bc6 Nc6 15.g4! Bg6 16.Nd5 Qd6 17.Nf4 f5 18.Be6 fg4 19.Ng6 hg6 20.Rh8 Nh8 21.Qe4 g3 22.d5 gf2 23.Kf2 Nd8 24.Bg7 Ne6 25.de6 0–0–0 26.Rc1 Kb8 27.Be5 Rf8 28.Ke2 Qe5 1–0. Fritz 6 – Comet B50, 2004.

6.c4 dc4 7.e3 Bd6 8.Bc4 g6 9.Nc3 f5 10.Nge2 Nd7 11.0–0 Nb6 12.Bb3 Nf6 13.Qc2 Bd7 14.Rfd1 a4 15.Na4 Bb5 16.Nb6 cb6 17.Nc3 Bd3 18.Ba4 Kf7 19.Qb3 Kg7 20.Bb5 Bb5 21.Nb5 Qd7 22.d5 Bc5 23.Rab1 Rhc8 24.d6 Ra5 25.Nc7 g5 26.Qe6 Qe6 27.Ne6 Kg6 28.Bf6 Bd6 29.Rd6 Kf6 1–0. Fritz 8 – Comet B25, 2004.

6.e3 Be6 7.c4 dc4 8.Nc3 Ne7 9.Ne4+= Bd5 10.Nd2+/– Ng6 11.Qc2 Bd6+/– 12.Ngf3 0–0 13.e4 Re8 14.Bc4 Bc4 15.Qc4 Kh8 16.0–0 Bf4 17.Rfe1 Nd7 18.Qd5 Nb6 19.Qb7 Na4 20.Nc4 Nb2 21.Nb2 Rb8 22.Qa6 Bd2 23.Nd2 Qd4 24.Nbc4 Nf4 25.Rab1 Nd3 26.Re3 Nc5 27.Qa5 Ne4 28.Rbe1 Nd6 29.Qc7 (29.Qc7 Ra8 30.Qc6+–) 1–0. themonkey (2120) – redisperanza (1715), GameColony.com, 2002.

6.e3 Be6 7.c4 dc4 8.Nc3 f5 9.d5 Bf7 10.Bc4 Nf6 11.Nh3+= Bd6 12.Ng5 Nbd7 13.Nf7 Kf7 14.Ne2 Ne5 15.Rc1 Nc4 16.Rc4 Qd7 17.Bf6 Qb5 18.Bg7 Qc4 19.Qa1 Rhf8=+ 20.Qf6 Kg8 21.Qg5 Qd5 22.Bh6 Kf7 23.Qh5 Ke7 24.Bf8 Rf8 25.0–0 Ba3 26.Nf4 Qf7 27.Qd1 Bd6–+ 28.Qa4 Bf4 29.ef4 b6 30.Rc1 Rc8 31.Qd4 Qf6 32.Qe3 Kf8 33.h3 c5 34.Qb3 Rd8 35.Qc2 Rd5 36.Rb1 a4! 37.Qa4 –/+. meheot – othorinoringologo, Yahoo, 2005.

6.e3 Ne7 7.c4+= Be6 8.Nc3 Nd7 9.cd5+/– Nd5 10.Ne4 Be7 11.Qh5 Bf7 12.Qg4 g6 13.Qf3 0–0 14.Rc1 N7b6? 15.Nc5+– Bc5 16.dc5 Na4 17.Bd4 b6 18.e4 bc5 19.Ba1 c6 20.bc6+– Qe8? 21.Bb5 Nab6 22.Ne2 Rd8 23.c7 Qb5 24.cd8R Rd8 25.ed5 Re8 26.0–0 Nd5 27.Nf4 Nf4 28.Qf4 Bd5 1–0. COMP – COMP, 2002.

6.e3 f5 7.c4 =.

6.e3 Bf5 7.c4 c6 8.Nc3+= Ne7 9.Qb3 Bg4 10.bc6+/– bc6 11.cd5 cd5 12.h3 Bf5 13.Rc1 Nbc6 14.Bb5 Be6 15.Ne4!+– Rb8 (15...de4 16.Qe6) 1–0. Eulenburg,M – Rapp,R, corr TT/5004 BdF, 1996.

6.e3 Bf5 7.c4+= c6 8.bc6 bc6 9.Nc3 Ne7 10.Rb1 Nd7 11.Nge2 Be6 12.Nf4 Bf7 13.cd5 cd5 14.Bb5 Rb8 15.Qb3 g5 16.Nfe2 Bg7 17.Qa4 Be6 18.Nc1 0–0 19.0–0 Nf5 20.Nd5 Bd5 21.Bd7 Rb7?? 22.Bf5+– 1–0. b4_player (2195) – spleen74 (1810), GameColony.com, 2003.

6.e3 Bf5 7.c4 Ne7 8.Nc3 +=.

5.e3

5.e3 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 a5 5.b5).

5.e3 c6 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c6 5.a4 a5).

5.e3 Be6 6.Nf3 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Be6 5.Nf3 a5 6.b5).

4.c3 ab4

5.a4 b6 6.Qb3 bc3 7.Nc3 Na6 8.Qb5? Nb4–+ 9.Rc1 Ba6 10.Qb4 Bb4 11.Nd5 Bd6 12.Ne3 Ne7 13.f4 ef4 14.Ng4 0–0 15.Nf3 Bb4 16.Rc2 Nd5 17.e4 fe3 18.Nd4 ed2 19.Rd2 Qe7 20.Ne2 Bd2 21.Kf2 Qb4 22.Bd4 Be2 23.Be2 Qd4 24.Kf1 Qa1 (25.Kf2 Qh1 26.Nh6 gh6 27.a5 Be1 28.Kf3 Qh2 29.Bb5 Qf4 30.Ke2 Rfe8 31.Kd3 Nb4#; 24...Ne3 25.Ne3 Be3 26.g3 Qd5 27.Rg1 Ra4 28.Bc4 Qc4 29.Kg2 Qe2 30.Kh1 Qf3 31.Rg2 Ra1#) 0–1. og4real – Caissa, Live Game Caissa's Web, 2004.

5.a4 d5 6.d4 –+.

5.cb4!? c5 6.Qb3 cb4 7.ab4 Ra1 8.Ba1 Na6 9.Bc3 Qe7 10.e3 Nb4 11.Bb4 Qb4 12.Qb4 Bb4 13.Bc4 Ne7 14.e4 b6 15.g4 d5 16.ed5 Bg4 17.f3 Bh5 18.h4 Bf7 19.Nc3 0–0 20.Kd1 Rd8 21.Nge2 Nd5 22.Nd5 Bd5 23.Bd5 Rd5 24.Ng3 Rd2 25.Kc1 Rg2 26.Nf5 g6 27.Ne3 Bd2 28.Kc2 Be3 29.Kd3 Bc5 30.Re1 Rf2 31.Ke4 Rd2 32.Rh1 Rd4 33.Ke3 Rh4 34.Kd3 Rh1 35.Ke4 Rd1 36.f4 Rd4 37.Kf3 Rf4 38.Ke2 h5 39.Kd3 h4 40.Kc3 Rd4 41.Kc2 e4 42.Kc3 e3 43.Kc2 e2 44.Kc3 e1Q 45.Kc2 Qd1 46.Kc3 Bb4 47.Kb2 Rd2 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

5.cb4 c5 6.b5 Qb6 7.e3 d5 8.f4 Nd7 9.fe5 Ne5 10.Nf3 Bd6 11.Ne5+= Be5 12.Be5 fe5 13.Qh5 Qg6 14.Qe5 Ne7 15.Nc3 0–0?? 16.Nd5 Nd5+/– 17.Qd5 Be6 18.Qc5 Rac8?? 19.Qd4 Rfd8 20.Qb4 h6 21.g3?? Kh7?? 22.Be2 Rf8 23.Qd4 Rf6 24.Bd3 Bf5 25.Bf5?? Qf5= 26.e4 Qg4?? 27.Qd3?? Rcf8?? 28.e5+– Rf5 29.Rf1 g6 30.Rf5 Rf5 31.Qd7 Kg8 32.Qe8?? Rf8–+ 33.Qe7 h5 34.Rc1?? Qe4 35.Kd1 Qf3 36.Kc2+/– b6?? 37.Qe6 Rf7? 38.Kb2 Kg7 39.Qb6 h4 40.gh4 Qh3 41.Qd4 Qh2 42.e6 Kf8 43.ef7 Kf7 44.Rc6 g5 45.Qf6 Ke8 46.Re6 Kd7 47.Qe7 Kc8 48.Rc6 Kb8 49.Qd8 Ka7 50.Qb6 Ka8 51.Rc8 Qb8 52.Qb8 1–0. dtpwaldi – rubinocb, internet, 2011.

5.cb4!? c5 6.b5 d5 7.a4 Bf5 8.e3 Ne7 9.d4 Bb1 10.Qb1 Qa5 11.Kd1 Nd7 12.Bd3 cd4–+ 13.ed4 e4 14.Bc2 Rc8 15.Ne2 g6 16.Bc3?? Rc3–+ 17.Nc3 Qc3 18.Ke2 Nf5 19.Ra2 Nd4 20.Kf1 Qc4 21.Kg1 Ne2 22.Kf1 Nc3 23.Kg1 Nb1 24.Rb2 Nd2 25.h4 Qf1 26.Kh2 Bd6 27.Kh3 Qh1 28.Kg4 Qg2 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

5.cb4!? d5 6.e3 =+.

5.ab4 Ra1

6.Ba1 d5 7.d4 =+.

6.Ba1 c5

7.Qa4 cb4 8.cb4 Nc6 9.b5 Qa5 10.Nc3 Qa4 11.Na4 Nb4 12.Nb6 Nc2 13.Kd1 Na1 14.Nc8 Kd8 15.Nb6 Bc5 16.e3? Bb6–+ 17.Bc4 Ne7 18.Kc1–/+ Kc7 19.Kb2 Ra8 20.Nh3 Ra4 21.d3 d5 22.Ba2 Rb4 23.Ka1 Rb5 24.Rb1 Ra5 25.Rb4 Bc5 26.Rg4 g5 27.d4 ed4 28.ed4 h5 29.Rg3 Bd4 30.Kb1 g4 31.Nf4 Be5 32.Bd5 Nd5 33.Rd3 Nf4 (34.Rg3 Rb5 35.Kc2 Rb2 36.Kd1 Rf2–+) 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

7.Qb3 cb4 8.cb4 Na6 9.Bc3 Qe7 10.b5 Nc5 11.Qa3 Nd3 12.ed3= Qa3 13.Na3 Ba3 14.d4 ed4 15.Bd4 d5 16.g3 Kf7 17.Bh3 Ne7 18.Bc8 Rc8 19.g4 Rc1 20.Ke2 Ng6 21.Be3 Rb1 22.d4 Rb5 23.Nf3 Rb2 24.Nd2 Bd6 25.h3 b5 26.Rb1 Rb1 27.Nb1 Ke6 28.Nc3 b4 29.Nb1 f5 30.gf5 Kf5 31.Kd1 Nf4 32.h4 Kg4 33.Kc2 Kh4 34.Kb3 Kg4 35.Bd2 Nd3 36.Ka4 h5 37.Kb5 h4 38.Kc6 h3 39.Kd6 h2 40.Kd5 h1Q 41.Ke6 Qb1 42.Kf7 Qa2 43.Kg7 Qd2 44.Kf6 Qf2 45.Ke6 Qd4 46.Ke7 Kf5 47.Ke8 Ke6 48.Kf8 Qh8# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

7.Qb3 cb4 8.cb4 Na6 9.Bc3 Qe7 10.e3 Nb4 11.Bb4 Qb4–/+ 12.Qb4 Bb4 13.Bc4 Ne7 14.Nc3 Bc3 15.dc3 d5 16.Bb5 Bd7 17.Bd7 Kd7 18.Nf3 Ke6 19.Kd2 Rc8 20.Rb1–/+ Rc7 21.g4 Nc8 22.h4 Nd6 23.Rb6 Ke7 24.Kc2 Ne4 25.Rb3 Nf2 26.g5 fg5 27.hg5 Ke6 28.Nh4 Ne4 29.g6 hg6 30.Ng6 b5 31.Rb5 Rc3 32.Kb2 Re3 33.Nf8 Kf7 34.Nd7 Ke6 35.Nc5?? Kf5–+ 36.Ne4 Ke4 37.Rb7 g5 38.Rg7 Rg3 39.Kc2 Ke3 40.Kc3 d4 41.Kc4 Ke4 42.Kc5 g4 43.Kd6 d3 44.Rg5 d2 45.Re5 Kd3 46.Rd5 Ke2 47.Rd2 Kd2 48.Ke5 Rd3 49.Kf4 g3 50.Ke4 g2 51.Kf4 Re3 52.Kg4 g1Q 53.Kf4 Qf2 54.Kg4 Rg3 55.Kh4 Qh2# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

7.b5 Qa5 =+ (8.Bb2 Qb5–/+). excalibur – Caissa, Live Game Caissa's Web, 2004.

7.bc5 Bc5 8.d4 ed4 9.cd4 Bb4 10.Bc3 Bc3 11.Nc3 Ne7 12.Nf3 0–0 13.e3 d5 14.Qb3 Qc7 15.Be2 Be6 16.0–0 Nbc6 17.Nb5 Qb6 18.h3 Na7 19.Rb1 Nb5 20.Qb5 Qb5 21.Rb5 Rb8 22.Nd2 Bd7 23.Rb6 Bc6 24.Nb3 Ra8 25.Bb5 Ra3 26.Bc6 bc6 27.Nc5 Kf7 28.Nd7 Ra7 29.Nc5 Kg6 30.Ne6 h5 31.Nd8 Rc7 32.Ne6 Rc8 33.Nc5 Kf5 34.Rb7 Re8 35.Rc7 g5 36.Nb7 g4?? 37.hg4 hg4?? 38.Nd6+– Ke6 39.Ne8 1–0. horacyad2010 – niki67, internet, 2011.

7.bc5 Qa5

8.Bb2 Bc5

9.e3 Ne7 10.d4 ed4 11.ed4 Qa2 12.dc5 Qb2 13.c4 Na6=+ 14.Bd3 Qb4 15.Qd2 Nc5 16.Ke2 Nd3–+ 17.Qd3 d5! 18.cd5? Bf5 19.Qg3 Qb5 20.Kf3 Qd3 21.Kf4 Nd5# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

9.e4 Bf2 10.Kf2 Qb6 11.Kg3 Qb2 =+.

9.Qb3 d5

10.Ba3 Ba3

11.Qa3 Qb6 12.Qb4 Qb4 13.cb4 Nc6 14.b5 Nb4 15.Na3 Ne7 16.d3 Be6 –/+.

11.Qa3 Qb6 12.Qb4 Qb4 13.cb4 Nc6 14.b5 Nb4 15.Na3 Ne7 16.d3 Bf5 17.f3 Kf7 18.e4 Ra8 19.Nb1 Ra1 20.ef5 Rb1 21.Kf2 Nf5 22.g4 Rb2 23.Ke1 Nd6 24.b6 Nc8 25.Nh3 Ra2 26.Nf2 d4 27.Ne4 Nd3!! 28.Kd1 Nb6 29.Rg1 Nf4 30.Nd6 Kf8 31.Nb7 Ra1 32.Kd2 Nbd5 33.Nc5 Ne3 34.Nd3 Rd1# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

11.Qa3 Qb6 12.Qb4 Qb4 13.cb4 Nc6 14.b5 Nb4 15.Na3 Ne7 16.d4 0–0 17.de5 fe5 –/+.

11.Qa3 Qb6 12.Qb4 Qb4 13.cb4 Nc6 14.b5 Nb4 15.Na3 Ne7 16.g3 0–0 17.Bh3 Bh3 18.Nh3 Ra8 19.f4?? Ra3 20.Kf2 Ra5 21.fe5 fe5 22.b6 Ra6 23.Ng5 Rb6 24.d3 Rf6 25.Kg2 Nc2 26.e4 Ne3 27.Kh3 Rh6# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

11.Na3 Ne7

12.Qb4 Qb4–/+ 13.cb4 Nbc6 14.b5 Nb4 15.e3 Bf5–+ 16.f3 0–0 17.g4 Bg6 18.Bg2? Ra8 19.f4 ef4 20.ef4 Nd3 21.Kf1 Nf4 22.Bf3 Ra3 23.Kf2 Nd3 24.Ke2 Ne5 25.Bg2 Ng4 26.Nf3 Bd3 27.Ke1 Ra1# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

12.Qb5!? Qb5 13.Nb5 =+.

12.Nb5 0–0 13.Nd6 Nf5 14.Nc8=+ Qa1 15.Qd1 Qd1 16.Kd1 Rc8 17.h4 Nd7 18.g4 Ra8 19.Bg2 Ne7 20.Nh3 Ra1–+ 21.Kc2 Ra2 22.Kd3 e4 23.Ke3–/+ Ne5 24.f3 N7g6 25.h5 Nh4 26.Rh2 Nc4 27.Kf2 Nd2 28.fe4 Ng2 29.Rg2 Ne4 30.Kf3 Kf7 31.e3 Nd2 32.Kf4 b5 33.g5 Ra4 34.Kf5?? g6 35.hg6 hg6# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

12.Nc2 Nbc6 13.c4 dc4 14.Qc4 Nd4 15.f3 –/+.

12.Nc2 Nbc6 13.c4 Bf5 14.cd5 Nd5 15.e3 Ncb4 16.Nb4 Nb4 17.f3 Nc2 18.Ke2? Qa1 19.e4 Nd4 20.Kf2 Nb3 21.ef5 Nd2 22.Ne2 0–0 23.g3 Qa7 24.Kg2 Rc8 25.f4 Qe3 26.fe5 Qf3 27.Kh3 Nf1 28.Rg1 Ne3 29.Nf4 Qg4# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

12.Nc2 Nbc6 13.e3 0–0 14.Bb5 Bf5–/+ 15.Kd1 Ra8 16.d4?? Bc2 17.Kc2 Qa1 18.Qb1 Ra2 19.Kc1 Qc3 20.Kd1 Qd2 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

12.Nc2 Nbc6 13.e4 de4 14.Bc4 Qc5 =+.

12.c4 dc4 13.Nc4 Qa1 14.Qd1 Qd1 15.Kd1 =+.

12.c4 Qc5 13.e3 Nbc6 14.Qa4 0–0 15.Nf3 Bf5 16.Qb3? Ra8–+ 17.Nb5 Ra1 18.Ke2 dc4 19.Qb2 Bd3 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

12.c4 Qc5 13.e3 Nbc6 14.Nb5 d4 =.

12.c4 Qc5 13.e3= Nbc6 14.cd5 Qc1=+ 15.Ke2 Nd5 16.Nc2?? Be6–+ 17.Qb7 Qc2 18.Qa8 Kf7 19.Qh8 Nc3 20.Kf3 Qe4 21.Kg3 Qg4 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

12.e3 0–0 =.

12.g3 Nbc6 13.Bh3 0–0 14.e3 Bh3 15.Nh3 Ra8 16.Nc2 Qa2 17.Qa2 Ra2 18.Kd1 Kf7 19.g4 e4 20.g5 Ne5 21.gf6 Kf6 22.Kc1 Nd3 23.Kb1?? Rb2 24.Ka1 Rc2 25.Rd1 g5 26.f4 ef3 27.Rb1 Rd2 28.Rb7 Rh2 29.Ng5 f2 30.Nh7 Rh7 31.Rb1 Ne1 32.Re1 fe1Q 33.Kb2 Rh2 34.Kb3 Qb1 35.Ka4 Ra2# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.e3 Ne7

10.e3 Ne7 11.Bb5 Nbc6

12.Ba3!? Ba3 13.Na3 =+.

12.d4 ed4–/+ 13.ed4 Bd4 14.Ne2 Bc5 15.Ba3 Ba3 16.Na3 0–0 17.Nd4?? Nd4–+ (18.Qb4 Qa3 19.Qd4 Qc1 20.Qd1 Qc3 21.Kf1 Bg4–+) 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.e3 Ne7 11.Bb5 Nbc6 12.Ne2 0–0

13.0–0 Bg4 14.Ng3 =+.

10.e3 Ne7 11.Bb5 Nbc6 12.Ne2 0–0 13.0–0 Bf5

14.Ng3 Bc2 15.Qc2 Qb5 =.

10.e3 Ne7 11.Bb5 Nbc6 12.Ne2 0–0 13.0–0 Bf5 14.d4 Na7

15.Ba3? Ba3 16.Qa3?? Qb5–+ 17.Qa7 Qe2 (18.Qb7 Re8–+; 17...Bb1 18.Rd1–+) 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

15.c4!? Qb4 16.Qb4 Bb4 17.de5 fe5 18.Nbc3 =+.

15.Bc4 dc4 16.Qc4 Rf7 17.Qc5 =.

15.Bc4 Bd6 16.de5 fe5 –/+.

15.dc5 Nb5 16.c4 Nc7 17.cd5 Ncd5 18.Ng3 +=.

15.dc5 Nb5 16.c4 Bg4 17.f3 Bf3 18.gf3 +–.

10.e3 Ne7 11.Bb5 Nbc6 12.Ne2 0–0 13.0–0 Bf5 14.d4 Na7 15.dc5 Qb5–/+

16.Qb5 Nb5 17.Na3 Bd3 18.Re1 Na3 19.Ba3 Ra8 20.Bb2 Ra5 21.Nc1 Bc4 22.f3 Kf7 23.g4 Rc5 24.e4 Rb5 25.Ba3 Ng6 26.ed5 Rd5 27.Re4 b5 28.Ne2 Rd2 29.Ng3 Bd5 30.Rb4 Nh4 31.Rb5 Nf3 32.Kf1 Bc4 33.Ne2 Bb5 34.Kf2 Nh2 35.Bb4 Re2 36.Kg3 Nf1 37.Kf3 e4 38.Kf4 g5 39.Kf5 Ng3# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

16.Qb5 Nb5 17.Na3 Bd3 18.Re1 Na3 19.Ba3 Ra8 20.Bb4? Be2–+ 21.f4 Ra2 22.g3 Kf7 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

16.Qb5 Nb5 17.Na3 Bd3 18.Re1 Na3 19.Ba3 Ra8 20.Bc1 Ra5–+ 21.f4 Nf5 22.fe5 fe5 23.g3 Rc5 24.Bd2 Nd6 25.Kf2 Ne4 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

16.Qb5 Nb5 17.Na3 Bd3 18.Re1 Na3 19.Ba3 Ra8 20.Bc1 Ra5–+ 21.f4 Nf5 22.fe5–/+ fe5 23.Ng3? Ng3–+ 24.hg3 Be4 25.Kf2 Rc5 26.Bd2 Ra5 27.Rh1 Ra2 28.Ke2 Kf7 29.Rh5 Ke6 30.Rg5 g6 31.Rg4 Kf5 32.Rh4 h5 33.Kd1 Bg2 34.Rb4 Ra1 35.Kc2 Be4 36.Kb2 Rb1 37.Ka3 Rg1 38.Rb7 Ra1 39.Kb4 Rb1 40.Kc5 Rb7 41.c4 Rc7 42.Kb4 Rc4 43.Kb5 Rc2 44.Bb4 Rg2 45.Bd6 Rg3 46.Be5 Ke5 47.Kc5 h4 48.Kb4 Re3 49.Kc5 Rb3 50.Kc6 h3 51.Kd7 h2 52.Ke7 h1Q 53.Kf7 Qh7 54.Ke8 Rb8# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

16.Qb5 Nb5 17.Ng3 Ra8 –/+.

4.c3 d5=+

5.d4 ab4 6.cb4 Nc6 7.e3 Nh6 8.Qh5 g6=+ 9.Qd1 Bg4 10.f3+= Bf5 11.Bb5 Nf7 12.Nd2 Bd7 13.Ne2 Bd6 14.Nb3 Qe7 15.0–0 ed4 16.Bd4 0–0 17.Bc6 Bc6 18.Ng3 Ba4 19.Qd3 Bg3 20.hg3 Ne5 21.Qc3 b6 22.Rfc1 Rfe8 23.Nd2= Ra7 24.Rab1 Bb5 25.f4 Ng4 26.Nf1 Kg7 27.Re1 Rea8 28.Ra1 h5 29.Nh2 Nh6 30.Bf6?? Qf6–+ 31.Qf6 Kf6 32.e4 de4 33.Re4 Ra3 34.Rae1 R8a4 35.Re6 Kg7 36.Re7 Nf7 37.Nf3 Ra1 38.Ra1 Ra1 39.Kh2 Kf6 40.Rc7 Nd6 41.Ne5 Ra4 42.Nd7 Bd7 43.Rd7 Ke6 44.Rg7 Kf6?? 45.Rd7 Ne4 46.Rd4 Kf5 47.Rd5 Kg4 48.Rb5 Ra3 49.Rb6 Rg3 50.Rg6 Kf4 51.Rg3 Ng3 52.b5 Ne4 53.Kh3 Kg5 54.b6 Nc5 55.Kg3 Ne4?? 56.Kh3 Nd6 57.Kg3 Nb7 58.Kh3 Nd8 59.Kg3 Nc6 60.b7 Nb8 61.Kh3 Nc6 62.Kg3= Nb8 63.Kh3 Kf4?? 64.Kh4+– Ke4 65.Kh5 Kd5 66.g4 Nd7? 67.g5 Kc6 68.Kg6 Kc7 69.Kf7 Ne5 70.Ke6 Nd3 71.Kf6 Kb7 72.g6 Nf4 73.g7 Nh5 74.Kf7 Ng7 ½–½. Farklempt – Zippy, ICS, 1994.

5.d4 ed4 6.Qd4 Nc6 7.Qe3 Qe7 8.Qd3 =+.

5.e3 ab4 6.cb4 Nc6 7.b5 Nce7 8.f4 ef4 9.Qh5 g6 10.Qh4 fe3 11.Bf6 ed2 12.Nd2 Nf6 13.Qf6 Rg8 14.Ngf3 Bg7 15.Ne4 de4 16.Rd1 Bf6 17.Rd8 Kd8 0–1. farklempt – Zippy, ICS game, 1994.

5.e3 Bd6 6.Bb5 c6 7.Ba4 Nh6 8.Nf3 Bg4 9.h3=+ Bh5 10.g4 Ng4 11.hg4+= Bg4 12.d3 e4–/+ 13.de4 de4 14.Rg1? Bf3–+ 15.Qd4 Qe7 16.Nd2 Nd7 17.Nf3 ef3 18.0–0–0 Be5 19.Qg4 ab4 20.Bc6 bc6 21.cb4 Bb2 22.Kb2 Ne5 23.Qd4 h5 0–1. alaamattar (2190) – knightmare (2455), net–chess.com, 2006.

5.e3 e4 6.Ne2 Bd6 7.Nd4 Ne7 8.Be2 0–0 9.0–0 Nf5 10.Nb5 Be5 11.f4 ef3 12.Bf3 c6 13.Nd4 Nd4 14.ed4 Bd6 15.d3 Re8 16.Nd2 Nd7 17.Nb3 ab4 18.ab4 Ra1 19.Ba1 Nf8 20.Nc5 b6 21.Nb3 Qe7 22.Bb2 b5 23.Na5 Bd7 24.Nb7 Bc8 25.Nd6 Qd6 26.Bc1 Bf5 27.Be2 Bg6 28.Bf4 Qd7 29.Bg4 Bf5 30.Bf5 Qf5 31.Bd6 Qe6 32.Bf8 Qe3 33.Kh1 Kf8 34.h3 Qe2 35.Qb1 h5 36.Qa1 Qd3 37.Qc1 Re2 38.Rf3 Qd2 39.Qg1?? Re1–+ 40.Qe1 Qe1 41.Kh2 h4 42.Rd3 Kf7 43.Rf3 g5 44.Rd3 f5 45.Rf3 Kg6 46.Rd3 g4 47.hg4 fg4 48.g3 Qf2 49.Kh1 hg3 50.Rg3 Qg3 51.c4 Qf2 52.c5 g3 (52...Qe2 53.Kg1 g3 54.Kh1 Qf1) ½–½. horacyad2010 – stefangebala (1830), internet, 2011.

4.d4 ab4

5.ab4 Ra1 6.Ba1 Bb4!? 7.c3 Be7 –/+.

5.ab4 Ra1 6.Ba1 Bb4 7.Bc3 Bc3 8.Nc3 ed4 9.Qd4 Nc6 10.Qg4 Kf8 11.e3 d6 (12.Qh4 Ne5=). VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

5.ab4 Ra1 6.Ba1 Bb4 7.Bc3 Bc3 (8.Nc3 ed4 9.Qd4 Ne7–/+) 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

5.ab4 Ra1 6.Ba1 ed4 7.Qd4=+ Nc6 8.Qe4 Qe7 9.Qe7 Nge7 10.b5 Nb4 11.Na3 d5 12.Bc3 Na2 13.Ba5 Nf5 14.b6?? cb6–+ 15.Bb6 Bb4 16.Kd1 Nc3 17.Kd2 Na4 18.c3 Ba3 19.Ba5 Nd6 20.Bb4 Nc3! 21.Ba3 Nb1 22.Kc1 Na3 23.e3 Ne4 24.Nh3 Bh3 25.gh3 Nf2 26.Rg1 Kf7 27.Bg2 Rc8 28.Kb2 Nc4 29.Kb1 Ne3 30.h4 Rc4 31.h5 Rg4 32.Bd5 Nd5 33.Rg4 Ng4 34.h3 Nge3 35.Kc1 Nf4 36.Kd2 Nf5 37.Kc3 Nh3 38.Kc4 Nf4 39.h6 gh6 40.Kb5 h5 41.Kb6 h4 42.Kb7 h3 43.Kc6 h2 44.Kc5 h5 45.Kc4 h4 46.Kc3 h3 47.Kd2 h1Q 48.Kc3 Qb1 49.Kc4 h2 50.Kc5 h1Q 51.Kc4 Qc6# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

4.e3 ab4

5.ab4 Ra1 6.Ba1 Bb4 7.Be5 fe5 8.Qh5 Kf8 9.Bc4 d5 10.Bb3 Nc6 11.Nf3 g6 12.Qg5 Qg5 13.Ng5 Be7 14.Nf3 e4 (15.Ng1 Nf6–+) 0–1. slavisa99 – Caissa, Live Game Caissa's Web, 2004.

5.ab4 Ra1–/+ 6.Ba1 Bb4 7.Nf3 Nc6 8.Bb5 Na7 9.c4 Nb5–+ 10.cb5 d5 11.0–0 Bd6 12.d4 e4 13.Nfd2 0–1. saxobob – Saj Chess, FICS rated blitz game, 1995.

5.ab4 Ra1–/+ 6.Ba1 Bb4 7.Nf3 d5 8.Bb5 c6 9.c3 –/+.

5.ab4 Ra1–/+ 6.Ba1 Bb4 7.Qh5 g6 8.Qh4 Nc6 –/+.

5.Bd3 g6 6.h4 Nc6 7.h5= g5 8.h6 Bh6 9.Qh5 Ke7 10.e4 d5 11.Bb5 de4 12.Bc4 Be6 13.Be2? Nd4 14.Bd4 ed4 15.Bg4 Qd5 16.f3?? ef3 17.Bf3 Qe5 18.Ne2 d3 19.Bb7 Qa1 20.0–0 de2 21.Qe2 Qd4 22.Rf2 ba3 23.Ba8 a2 24.Qb5 a1Q 25.c3 Qda4 26.Bc6 Qb5 27.Bb5 Qb1 28.Bf1 g4 29.Kh2 g3! 30.Kg3 Qe1 31.c4 Qe5 32.Kf3 Qf4 33.Ke2 Qd2 34.Kf3 Qe3# 0–1. dado3 – Caissa, Live Game Caissa's Web, 2004.

5.Qh5 g6 6.Qd1 d5 –/+.

4.e4 ab4

5.Be5 Qe7 (better is 5...ba3!? 6.Bb2 Qe7=) 6.Bc7= d5 7.Bb8 Qe4 8.Qe2 Rb8 9.Qe4 de4 10.Bb5 Kd8 11.ab4 f5 12.c3 Bd6 13.Ne2 Nf6 14.d4 ed3 15.Bd3 Re8 16.Nd2 Bd7 17.0–0 Ne4 18.Nc4 Bc7 19.Rfd1 g6 20.Ne3 Bh2 21.Kf1 Rc8 Attacks the backward pawn on c3 (21...Be5 22.Be4 fe4 23.Ra5+=) 22.Bb5 (better is 22.Be4!? Re4 23.g3+–) 22...Bd6+= 23.Bd7 Kd7 24.c4 Ke6 25.c5 Bb8 26.Nc4 Red8 27.Nb6 Rd1 28.Rd1 Re8 29.Nd4 Kf7 30.Nb5 Re6 31.f3 Ng3 32.Kf2 Re2 33.Kg1 g5 34.Nd6 Bd6 35.cd6 (35.Rd6?! f4 36.Rd1 Rb2=) 35...Re8 36.d7 Rd8 37.Rd6 f4 38.Nd5 h6 39.Kf2 Kg7 40.Nc7 Kf8 41.Nd5 Kg7 42.Nb6 Nf5 43.Re6 Kf7 44.Re5 Nd6 45.Ke2 Kf6 46.Rc5 Ke6 47.Kd3 Nf5 48.Rc7 Nd6 49.Rc1 Kf6 50.Kd4 Nf5 51.Kd5 Ke7 52.Ke5 Ne3 53.Rc7 Kf7 54.Rb7 Ng2 55.Kd6 Nh4 56.Kc7 Rd7 57.Kd7 Nf3 58.Kd6 Kg6 59.Nd5 h5 60.Rc7 h4 61.Rc3 (61.b5 h3 62.b6 h2+–) 61...Nd2? (better is 61...Ne1 62.Ke5 f3 63.Rc6 Kg7+–) 62.b5 (better is 62.Rc2 Nb3 63.Ke5+–) 62...Ne4+/– 63.Ke5 Nc3 64.Nc3 f3 65.Ne4 h3 66.b6 h2 67.Nf2 Kh5 68.b7 h1Q 69.Nh1 Kg6 70.b8Q f2 71.Nf2 Kg7 72.Qd6 1–0. onny555 (1900) – eliminator_2000 (2000), gameknot.com, 2012.

5.ab4 Ra1

6.Ba1 Nc6 7.b5+= Nb8 8.Nc3 c6 9.bc6 bc6 10.Qb1 h5?? 11.Qb8+– Rh6 12.Nf3 Rg6 13.Be2 f5 14.ef5 Rf6 15.Nh4 Bd6 16.Bh5 g6 17.Bg6 Kf8 18.Qb3 Be7 19.Ne4 Rg6 20.Ng6 Kg7 21.Be5 Nf6 22.Ng5 d6 23.Qf7 Kh6 24.Bf6 Bf6+– 25.h4 Bf5 26.Qh7# 1–0. aji – Besiktasli, VOGChess (year?).

6.Ba1 Bb4

7.Nc3 Nc6 8.Nd5 Bd6 9.Nf3 Nge7 10.Ne7 Qe7 11.Nh4 g6 12.Bb5 f5–+ 13.g3 fe4 14.Qe2 Nd4 15.Qc4 Nb5 16.Qb5 Bc5 17.0–0 c6 18.Qc4 d5 19.Qc3 d4 20.Qc4 Rf8 21.f4 b5 22.Qa2 ef4 23.Rf4 Rf4 24.gf4 Qh4 25.Qg8 Bf8 26.Qa2 Qe1 27.Kg2 Bh3! 28.Kh3 Qf1 29.Kg3 Qf3 30.Kh4 Be7# 0–1. Benassi,Aspasio – COMP, 2001.

7.Nc3 Nc6 8.Nf3 Nge7 9.Nh4 0–0 10.Nf5 Nf5–+ 11.ef5 d5 12.Be2 Bf5 13.0–0 Nd4 14.f3 Bc2 15.Qe1 c6 16.d3 Qa5 17.Nd1 Be1 (17...Be1 18.Bd4 ed4–+) 0–1. Benassi,Aspasio – COMP, 2001.

7.Bd3 Nc6 8.Ne2 Nge7 9.0–0 0–0 10.c3 Bc5 11.Bc4 Kh8 12.d4 ed4 13.cd4=+ Bb6 14.Nd2 d5–/+ 15.ed5 Nd5 16.Nb3 Bg4 17.f3 Ne3 18.Qd3? Nc4 19.Qc4–/+ Bh5 20.Rd1 Bf7–+ 21.Qa4 Qd5 22.Nf4?? Qb3 23.Qb3 Bb3 24.Rd3 Bc4 25.Rd2 Ra8 26.Bc3 Kg8 27.g4 Ra2 28.Ra2 Ba2 29.Ne2 Bc4 30.Kf1 (30.Kf2–+) 0–1. Reynier – jonnyboy373, ChessWorld.net, 2004.

7.Nf3 d5 8.ed5 Qd5 9.c3 Be7 10.Be2?? Qa2–+ 11.Bb5 c6 12.Bd3 Qa1 13.0–0 Be6 14.Qe2 Nd7 15.Bc2 Qa2 16.Bd3 Nc5 17.c4 Nd3 18.Qd3 Bc4 19.Qc3 Bf1 (19...Bf1 20.Kf1 Qb1 21.Ke2 Bd6–+) 0–1. Administrator – COMP, 2000.

3.a3 a6

4.c4 b5 5.e4 bc4 6.Bc4 Bb7 7.d3 (7.Nc3+=) 7...c5 (7...d5 8.ed5 Bd5 9.Nf3 Bc4 10.dc4 Qd1 11.Kd1+=) 8.Qb3 (8.bc5 d5 9.cd6 Qb6 10.Qh5 g6+/–) 8...Nh6 9.Nd2 (9.Bc1!? Qc7 10.Bh6 gh6 11.Nc3+/–) 9...cb4= 10.ab4 Nc6 11.Bc3 Ne7 (11...Rb8 12.Ngf3=) 12.Ngf3 (12.Qa4 Nc6+=) 12...d5= 13.ed5 Bd5 (better is 13...Nd5!? 14.0–0 Nc3 15.Qc3 Qb6=) 14.0–0+/– Rc8 (14...Qd6 15.Rfe1 Bc4 16.dc4+–) 15.Qa4 (15.Ra6 Nhf5+–) 15...Qd7 (15...Bc6!? 16.Qa3 Bb7+=) 16.Qd7+/– Kd7 17.Ba6?? (better is 17.Ra6 e4 18.Bb5 Bc6 19.Bc6 Nc6 20.Ne4 Nb4 21.Bb4 Bb4 22.Rb1+–) 17...Rc3–+ 18.Bb5 (18.Bc4 Rc2–+) 18...Ke6 (18...Nc6!? 19.d4–+) 19.Ra6 Kf7 20.Re1 (20.Bc4 Nhf5–+) 20...Nhf5 (20...Nc8 21.Rb1–+) 21.Kf1 (21.g4 Nh6–+) 21...g6 (21...Nc8 22.Rb1–+) 22.Ra7? (better is 22.Ne4!? Be4 23.de4–/+) 22...Bh6 (better is 22...Nd6 23.Bd7 Rc2–+) 23.d4? (23.Bc4 Rd8 24.Nb1 Bc4 25.Nc3 Rd3 26.Ne2–+) 23...Bd2 (worse is 23...Nd4 24.Bd7–+) 24.Nd2 Nd4 (24...ed4?! 25.g4 Ra8 26.Ra8 Ba8 27.gf5 Nf5 28.Bc4 Kf8 29.Ra1–/+) 25.Be2 (25.Ba4 Rb8 26.Rb1 Rb4–+) 25...Ne2 (25...Rb8 26.Rb1–+) 26.Re2 (26.Ke2 Rb8–+) 26...Rc1 27.Re1 Rhc8 (better is 27...Bg2!? 28.Ke2 Re1 29.Ke1–+) 28.b5 –+. wlittle (1955) – fled (1705), net–chess.com, 2002.

4.d4 ed4 5.Nf3 c5 6.bc5 Bc5 7.Bd4 Bd4 8.Nd4 Nc6 9.e3 Nge7 10.Bd3 Nd4 11.ed4 Qb6 12.0–0 Qb2 13.Nd2 Qd4 14.Re1 d5 15.Qe2 Qc5 16.c4 d4 (16...Kd8!?+/–) 17.Nb3 Qd6 18.c5 Qd7 (18...Qc7 19.Qh5 Kd8 20.Nd4+–) 19.Rad1 g6 20.Nd4 Qc7 21.Ne6 Be6 22.Qe6 Rf8 (22...Rd8 23.Bc2 Qc5 24.Ba4 b5+–) 23.Bc2 Qc5 24.Qd7 Kf7 25.Re7! Qe7 26.Bb3 (26.Bb3 Kg7 27.Qe7 Kh6 28.Qe3 g5 29.Rd7 Kg6 30.Bc2 f5 31.Qe6 Kh5 32.Rh7 Kg4 33.h3 Kf4 34.Qd6#) 1–0. Schulz,Hans_Juergen – Valica,Slavo, TT–16.33 ETC, 2005.

4.d4 e4 5.c4 d6 6.e3 Ne7 7.Ne2 g5 (better is 7...Bg4!?+=) 8.Ng3+– d5 9.Nd2 (better is 9.cd5 f5 10.Nc3+/–) 9...h6? (better is 9...c6+/–) 10.Qh5+– Kd7 11.cd5 Nd5 (11...f5 12.Nf5! Nf5 13.Qf7 Qe7 14.Qf5 Kd8 15.Qe4 a5+–) 12.Qf7 (12.Nge4?! c6+–; 12.Nde4?! Kc6+–) 12...Qe7 (12...Kc6 13.Bc4 (13.Nge4?! Qd7 14.Rc1 Kb6 15.Qd7 Nd7+–) 13...Nb4 14.d5 Kb6 15.Bd4 (worse is 15.ab4 Nd7 16.Bd4 c5 17.dc6 Kc6+–) 15...Bc5 16.Bc5 (worse is 16.ab4 Bd4 17.ed4 Ka7+–) 16...Kc5 17.ab4 Kb6 18.0–0+–) 13.Qd5 Qd6 14.Qd6 cd6 15.Nge4 Nc6 16.Nf6 Kd8 17.Nd5 Be7 (17...b5 18.Nb6 Rb8 19.d5+–) 18.Ne7 (better is 18.Nb6 Rb8 19.d5 Ne5+–) 18...Ne7 19.Bd3 b5 20.Ne4 Kd7 (20...Bf5 21.d5 Rg8 22.Kd2+–) 21.Nf6 Kd8 22.d5 Bb7 (22...Rf8 23.h4 g4 24.Rc1+–) 23.e4 Rf8 24.Ng4 h5 25.Ne3 (25.Nf6 h4 26.Bd4 Ng6+–) 25...g4 (25...Ng6 26.Bg7 Rf7 27.Bh6+–) 26.0–0 (26.h3 g3 27.fg3 Re8+–) 26...a5 (26...Ng6 27.Rad1+–) 27.Bb5 ab4 28.ab4 Rc8 (28...Rb8 29.Ra5+–) 29.Rac1 (better is 29.Bd4 Rc7 30.Bb6 Nc8+–) 29...Rb8 30.Bc6 (better is 30.Bd3!? Ng6+–) 30...Bc6 31.dc6 Rb5 (31...Rb4 32.c7 Kd7 33.Nc4+–) 32.c7 (32.Rc4 Rf4+–) 32...Kc8 (32...Kd7 33.Rfd1 Rb4 34.Nc4+–) 33.Bc3 (better is 33.Nc4 Kd7+–) 33...Kc7 (33...Re8+–) 34.Bg7 Kb6 (34...Kd7 35.Bf8 Ng6 36.Bg7 Rb4 37.Nd5+–) 35.Bf8 Ng6 36.Nd5 (36.Bd6 h4 37.Rc8 Ne5+–) 36...Ka6 (36...Rd5 37.ed5 Nf8+–) 37.Bd6 h4 38.Ra1 Kb7 39.Rfc1 g3 40.hg3 hg3 41.fg3 Rb6 42.Rc7 Kb8 43.Nb6 1–0. Fournier,Frederic (1760) – jilb (1770), Active, 2004.

4.e3 c5N 5.bc5 Bc5 6.d4 Bb6 (6...Qb6!? 7.Bc3 ed4 8.ed4 Be7+=) 7.de5+/– Nh6? (better is 7...Nc6!? 8.Nf3 Bc7 9.ef6 Nf6+/–) 8.ef6+– gf6 9.Qd6 Qe7?? (9...Nf5 10.Qd5 d6 11.Bd3+–) 10.Qf6 (better is 10.Qb6 d6 11.Nc3+–) 10...Qf6 11.Bf6 Rf8? (11...Rg8+–) 12.Bg7 Ng4 13.Bf8 Kf8 14.Nf3 d6 15.Nbd2 Bf5 16.Bd3 Bd3 17.cd3 Nc6 (17...Ba5 18.Rc1+–) 18.0–0 (18.Rb1 Ba5 19.Rb7 Ra7 20.Ra7 Na7+–) 18...Re8 (18...Ba5 19.Nc4 Bc7 20.e4+–) 19.d4 (19.Rfb1 Ba5 20.Rb7 Re7+–) 19...h5 (19...Ba5 20.Nb3 Nf6 21.Rfc1+–) 20.h3 Nf6 21.Rfb1 Bc7 22.Rb7 Bd8 23.Rab1 Nd7 (23...Re7 24.Re7 Ke7 25.Rb7 Ke8 26.Nc4+–) 24.Nc4 (better is 24.Rd7 Be7+–) 24...Ke7 (24...d5 25.Rd7 dc4 26.Rd6+–) 25.Nfd2 (better is 25.d5 Ncb8+–) 25...d5 26.Ne5 Nce5 27.de5 Ba5 28.Nf3 Rb8 (28...Rc8 29.Ra7 Rc7 30.Ra6 Bc3+–) 29.Rb8 Nb8 30.Rb8 Bc7 (30...Bc3 31.Rb3 Ba5 32.Rb7 Kd8 33.e6+–) 31.Rb7 Kd8 32.e6 Bd6 33.Rd7 Ke8 34.Rd6 Ke7 35.Ra6 d4 36.Nd4 1–0. Fournier,Frederic (1775) – baronred, Active, 2005.

4.e3 Bd6 5.d4 Qe7 6.Bd3 ed4 7.Bd4 Be5 8.Qh5 g6 9.Bg6! hg6? 10.Qh8 Bd4 11.Qg8 Qf8 12.Qg6 Kd8 13.ed4 Qe8 14.Qe8 Ke8 15.Ne2 d6 16.h4 Nc6 17.c3 Bf5 18.Nd2 Bd3 19.Nf4 Bf5 20.Nd5 Kd7 21.Nf6 Ke7 22.Nd5 Ke6 23.Nc7 Kd7 24.Na8 Kc8 25.Nb6 Kc7 26.Nd5 Kc8 27.Ne3 Be6 28.d5 Bd5 29.Nd5 Ne5 30.Ke2 Ng4 31.f3 Ne5 32.h5 Nf7 33.g4 Nh6 34.g5 Nf5 35.Rag1 Kd7 36.h6 Nh6 37.gh6 (37.gh6 Ke6 38.Rh5 Kd7 39.h7 b6 40.Rg7 Kc6 41.h8Q b5 42.Qe8) 1–0. amator111 (1755) – fredson2010, internet, 2011.

4.e3 h6N 5.Qh5+/– Ke7 6.Nf3 (6.Be5!? g6 7.Qh4+/–) 6...Qe8+= 7.Qe8 Ke8 8.d4 e4 9.Nfd2 d5 10.c4 c6 11.cd5 cd5 12.Nc3 Be6 13.Be2 Ne7 14.0–0 Nf5 15.h3 Bd6 16.Rac1 Nc6 17.Nb3 b6 (17...Rc8!?+/–) 18.Na4+– b5? (18...Nce7 19.Nb6 Rb8 20.Nc5 Rb6 21.Ne6+–) 19.Nac5?? (better is 19.Nb6 Nfe7 20.Na8+–) 19...Bc5 20.Rc5 Rc8 21.Rfc1 Kd7 (better is 21...Nce7+=) 22.Na5?? (better is 22.R5c3!? Nb8 23.Nc5 Ke7 24.Bg4+/–) 22...Nfe7 (better is 22...Na5!? 23.ba5 Nd6+=) 23.Nc6 Nc6 24.f3 f5 25.fe4 fe4 (25...de4?? 26.d5 Ne7 27.de6 Ke6 28.Rc8 Rc8 29.Rc8 Nc8 30.Bg7+–) 26.Bg4 (26.a4 A) 26...ba4? 27.Ba6 Kd6 28.b5+– (worse is 28.Bc8 Rc8 29.b5 Ne7+–); B) 26...Nb4 27.ab5 ab5 28.Bb5 Kd8 29.Rc8 Bc8+/–) 26...Bg4 (26...Ne7=) 27.hg4 (better is 27.Rd5!? Ke6 28.Rdc5+=) 27...Kd6 28.R1c2 Rhf8 29.Rf2 Rf2 30.Kf2 g5 31.Kg3 Rc7 32.Bc1 Rf7 33.Rc2 Rf1 34.Kh2 Rf7 35.Kg1 (35.Kg3 Rf6 36.Bd2–/+) 35...Rf6 36.Bd2 Rf7 37.Be1 Rf6 38.Bg3 Kd7 39.Rc5 Rf7?? (better is 39...Ne7+=) 40.Rd5+/– Ke6?? (40...Ke7 41.Be5+/–) 41.Rc5 (better is 41.Rd6 Ke7 42.Rc6+–) 41...Kd7+/– 42.d5 Ne7 43.d6 Nc6 44.Rf5 Rf5 45.gf5 Nb8 (45...Nd8 46.Be5=) 46.f6 (better is 46.Kf2!?+/–) 46...Nc6?? (better is 46...Ke6 47.f7 Nd7–/+) 47.f7+– 1–0. Fournier,Frederic (1610) – SNAPE, Active, 2007.

4.e4 d5 5.ed5 Qd5 6.Nc3 Qd8 (6...Qe6 7.Qh5 g6 8.Qh4=) 7.Bc4+= Bf5 (7...Nc6 8.Nge2+=) 8.Qf3 (8.Nf3 Bg4+=) 8...Bc8 (8...Qc8 9.d3+=) 9.Qh5 (9.Nge2 Nc6+=) 9...g6 10.Qh4 (10.Qe2 Nc6+=) 10...Nh6= 11.Ne4 Nd7 (11...Bg7 12.f4=) 12.f4 (12.Be6 Bg7+=) 12...Nf5= 13.Qh3 (13.Qf2 Nd6 14.Nd6 Bd6+=) 13...Qe7 (13...ef4 14.Qf3 Ne5 15.Qf4 Bg7=) 14.Nf3 (14.Kf2 c5= (worse is 14...ef4 15.Re1 Bg7 16.Be6+=)) 14...ef4 (14...Nb6 15.Bd3 Na4 16.Nf6 Qf6 17.Be5=) 15.0–0 (15.Bd3 Nd6 16.0–0=) 15...Ne5?? (better is 15...Ne3 16.de3 Qe4=) 16.Nf6!+/– Qf6 17.Be5 Qc6? (17...Qb6 18.Rf2 Ng7 19.Qh4+–) 18.Bb3 (18.Bh8 Qc4 19.Qh7 Ne7+–) 18...Ne3?? (18...Ng3 19.Qc8! Rc8 20.hg3 Bc5 21.bc5 Rf8+–) 19.Qh4+– Nf1 (19...Be7 20.Qf4 Nf1 21.Bh8 (21.Rf1?! Rf8 22.Qh6 Be6+=) 21...Nh2 22.Nd4+–) 20.Bh8 Qb5 (20...Nd2 21.Nd2 Bf5 22.Re1 Kd7 23.Qh7 Kc8+–) 21.Qh7 Bd7 (21...Qd7 22.Qg6 Kd8+–) 22.Qf7 Kd8 23.Bf6 Kc8 24.Qf8 Be8 25.Bf7 (25.Nd4 Qd7 26.Be6 Kb8 27.Bd7 b6 28.Bc6 Ka7 29.Nb5 ab5 30.a4 Rc8 31.ab5 Kb8 32.Ra8) 25...b6 26.Be8 (26.Be8 Kb7 27.Rf1 Re8 28.Qf7+–) 1–0. Trkn – Jeff Greder, itsyourturn.com, 2001.

4.Nf3 d5 5.Nc3 =.

4.Nf3 d6 5.c4 Nc6 6.d3 (6.d4 e4 7.Nfd2 f5=) 6...Nge7 7.e3 Bg4 (7...d5 8.d4 e4 9.Nfd2=) 8.Be2+= Nf5 (8...d5!?+=) 9.h3 Bf3 10.Bf3 (worse is 10.gf3 g6=) 10...Nh4 11.Bd5 Qd7 12.b5 (12.Qh5 Ng6+/–) 12...ab5 13.cb5 Ne7 14.Bb7 Rb8 15.Ba6 Ng2 16.Kf1 Nh4 17.Qe2 Qf5 (17...d5 18.Ke1=) 18.Nd2 c6 19.a4 cb5 (19...d5 20.Ke1=) 20.Bb5+/– (worse is 20.ab5 d5=) 20...Kd8 21.Bc3 Nc8 (better is 21...Neg6!?+/–) 22.Ba5 Ke7 23.Rc1 g6?? (23...Kf7 24.Rc7 Be7 25.Bc4 Kg6+–) 24.Rc7 (24.Rc7 Ke6 25.Bd7 Kf7 26.Bf5 Ne7 27.Be4+–) 1–0. kostovist – chsen, chesshere.com, 2006.

4.e3 Nc6

5.c4N d6 6.Nc3 Be6 7.Nf3 Nge7 8.d4 d5 (8...ed4 9.ed4 Bg4 10.Be2+/–) 9.cd5 Nd5 10.de5 Ne5 11.Ne5 fe5 12.Qh5 Bf7 13.Qe5 Ne7 14.Rd1 Qc8 15.Be2 c6?? (15...Rg8 16.Bf3 Bb3 17.Rc1+–) 16.0–0 (better is 16.Ne4 Qe6 17.Nd6 Qd6 18.Rd6+–) 16...Qe6 17.Qe6 Be6 18.Ne4 Ng6 19.Bh5 (19.Nc5 Bc8+–) 19...Bc4 (19...a5 20.ba5 Ra5 21.Bg6 hg6 22.Nd6 Ke7 23.e4+– (23.Nb7?! Rb5=)) 20.Rfe1 Bd5 21.Bg6 hg6 22.Nc3 Bc4 23.Ne4 Rd8?? (23...Bd5 24.Nc5 a5+–) 24.Rd8+– Kd8 25.Rd1 Kc7 26.Be5 Kb6 (26...Kc8 27.f4+–) 27.Bd4 (better is 27.Rd7!? c5 28.bc5 Bc5 29.Nc5 Kc5 30.Rg7 Rg8 31.Rb7 Rd8 32.Bd4 Kd5+–) 27...Kc7 28.Nc5 Bd6 29.h3 Bc5 30.Bc5 Rd8? (30...b6 31.Bd6 Kc8 32.e4+–) 31.Rd8 (better is 31.Bb6! Kb6 32.Rd8+–) 31...Kd8 32.Bf8 Kc7 33.Bg7 Kb6 34.Bd4 Kb5 35.f4 Ka4 36.Bb2 Kb3 37.Bd4 Ka3 (37...Ka4!?=) 38.Bc5+= Kb3 39.g4 Kc3 (39...Bd3 40.h4+=) 40.h4 Kd3 41.h5 gh5 42.gh5 Ke4 43.Kg2 Bf7 44.h6 Bg6 45.Kg3 Kf5 46.Kh4 Kf6 47.Kg4 Bf5 (47...Be4!? 48.Bd4 Kg6 49.h7 Kh7 50.f5+–) 48.Kf3 Kg6 49.Bf8 Kf7 50.Bg7 Kg6 (50...Bh7+–) 51.e4 Be6 (51...Bc8+–) 52.f5 Bf5 53.ef5 Kh7 54.f6 (better is 54.Kg4 Kg8+–) 54...Kg8 (54...Kg6+–) 55.Ke4 Kf7 56.Kd4 (56.h7 Ke6 57.h8Q Kd7 58.f7 Kc7 59.Qh2 Kb6 60.f8Q Kb5 61.Qc5 Ka4 62.Qa2) 56...b6 57.Ke5 Kg8 58.Kd6 (58.Ke6 c5 59.f7 Kh7 60.f8N Kg8 61.Kf6 cb4 62.h7) 58...a5 59.Kc6 ab4+– 60.Kb6 b3 61.f7 Kf7 62.Kb5 Kg8?? 63.Kb4 Kh7 64.Kb3 Kg8 65.Kc4 Kh7 66.Kd5 Kg8 67.Ke6 Kh7 68.Kf7 ½–½. Fournier,Frederic – GMDionis, Active, 2008.

5.Bc4 d5 6.Be2 Be6 7.Nf3 Qd7 (7...Bd6=) 8.c4 (8.d4 Bd6=) 8...0–0–0 (8...dc4 9.Qc2–/+) 9.0–0 (9.b5!? Nb8 10.cd5 Bd5 11.Nc3=) 9...dc4+= 10.Nc3 (10.Qc2 b5+=) 10...Nh6 (10...g5 11.b5 ab5 12.Nb5–/+) 11.Qc2 (better is 11.Qa4+=) 11...Qd2?? (better is 11...g5–/+) 12.Nd2+– Bf5 13.e4 (13.Nde4 b5+–) 13...Be6 (13...Nd4 14.Qc1 (14.ef5?! Nc2 15.Rad1 b5+/–) 14...Be6 15.Rd1+–) 14.Bc4 Nd4 (14...Bc4 15.Nc4 b5 16.Ne3+–) 15.Be6 Kb8 16.Qa4 Ne6 17.Rfd1 Nf4 (17...c6 18.Rac1+–) 18.Nf3 Bd6 19.Qc2 (19.b5 ab5 20.Qb5 Rhe8+–) 19...Nf7 (19...Rd7 20.b5 ab5 21.Nb5+–) 20.Rac1 Ng5 (20...c6 21.Ne2+–) 21.Ng5 fg5 22.Nd5 (better is 22.b5 g4+–) 22...Rd7 (22...Ne6 23.Qc4 c6 24.Ne3+–) 23.Nf4 gf4 24.Be5! Rc8 (24...Be5 25.Rd5 Double attack (25.Rd7 Pinning; 25.Rd7 Deflection; 25.Rd5 Decoy)) 25.Bd6 Ka7 26.f3 (better is 26.Bc5 Kb8 27.Rd7 f3+–) 26...c6 27.Bc5 1–0. wlittle (2100) – baj (1735), net–chess.com, 2005.

5.d3 d6 6.g3 Be6 7.Bg2 Nge7 8.Nd2 Qd7 9.Ne2 0–0–0 10.c4 Na7 11.Rc1 Nec6 12.0–0 d5 13.d4 e4 14.cd5+/– Bd5 15.Be4 Qh3?? 16.Bd5 Rd5 17.Nf4 Qf5 18.Nd5 Qd5 19.Qf3 Qd7 20.Rfd1 Kb8 21.Ne4 Be7 22.Nc5 Qe8 23.Qg4 h5 24.Qg7 Rg8 25.Qh6 Nd8 26.Qf4 Bd6 27.Qf3 Nac6 28.e4 Nf7 29.e5 fe5 30.de5 Nfe5 31.Be5 Be5 32.Re1 Rf8 33.Qd5 Bd6 1–0. exp2005 – januszka57, internet, 2011.

5.d4 ed4 6.ed4 Qe7 7.Be2 a5 +=.

5.Nf3 b5 6.c4 Bb7 (better is 6...bc4!? 7.Bc4 d5=) 7.cb5+/– ab5 8.Bb5 Nb4? (better is 8...e4!? 9.Bc6 Bc6+/–) 9.ab4+– Ra1 10.Ba1 c6 11.Be2 Be7 (11...Bb4 12.0–0+–) 12.b5 Qa8 13.Nc3 c5 14.0–0 d6 15.d4 Nh6 16.de5 fe5 17.Bc4 Bf6 (17...Bf3 18.gf3 Nf7+–) 18.Qd6 Bf3 19.gf3 Qf3 20.Qe6 Be7 21.Bd5 (better is 21.Qc8 Bd8 22.Be6+– (22.Qc5?! Qg4 23.Kh1 Qf3 24.Kg1 Qg4 25.Kh1 Qf3 26.Kg1=)) 21...Qh5 (21...Qg4 22.Qg4 Ng4 23.Ne4+–) 22.Ne4 (better is 22.Bc6 Kf8 23.Qc8 Kf7 24.Qh8 Qg6 25.Kh1+–) 22...Ng4 (22...Qg4 23.Qg4 Ng4+–) 23.Qf7 (23.Nd6 Kf8 24.Qc8 Bd8 25.Qd8 Qe8 26.Qe8) 23...Qf7= 24.Bf7 Kf7 25.b6 Rb8 26.Rb1 c4? (better is 26...Ke6=) 27.Nd2 c3 28.Bc3 e4? (better is 28...Ke6+–) 29.Ne4 h5 (29...Rb7 30.Kg2+–) 30.Bd4 (better is 30.b7!? Nf6 31.Be5 Rg8 32.Ng5 Kg6+–) 30...Nf6 31.Nf6 Bf6 32.Bf6 gf6 (32...Kf6 33.b7+–) 33.Kg2 Kg6 34.Kf3 f5 (34...Kf5 35.b7+–) 35.h4 Rb7 36.Kf4 Kf6 37.f3 Rb8 (37...Kg6 38.Rb5+–) 38.b7 Ke7 (38...Ke6 39.Rb6 Kd7 40.Kf5+–) 39.Kf5 Kd7 40.Kg5 Ke6 41.Kh5 Ke5 42.Kg4 Kf6 43.h5 Kg7 44.f4 Kh6 45.f5 (45.Rb6 Kg7+–) 45...Kg7 (45...Rb7 46.Rh1 Rb4 47.Kf3 Rb2+–) 46.e4 Kf6 47.Kf4 Kf7 48.e5 Re8 49.b8Q Rb8 50.Rb8 Kg7 51.Rb7 Kh8 52.Kg5 Kg8 53.Kf6 Kh8 54.Kg6 Kg8 55.Rb8 1–0. Fournier,Frederic – Daropa, Active, 2008.

5.Nf3 Bd6 6.c4 e4 7.Nd4 Nd4 8.Bd4 Ne7 (8...Qe7 9.d3+/–) 9.d3 0–0 10.c5 Be5 11.de4 Bd4 12.ed4 Ng6 (12...d5 13.cd6! Qd6 14.Bc4 Kh8 15.Nc3+/–) 13.Bc4+– Kh8 14.0–0 d6 15.Nc3 f5 16.f3 Qg5 17.ef5 (17.Nd5!? Nf4 18.Nf4 Qf4 19.Qd3+–) 17...Bf5 18.Qc1 Nf4 19.g3 Bh3 20.Rf2 b5 (20...dc5 21.Nd5! Ne6 22.Qg5 Ng5 23.f4+/– (worse is 23.Nc7 Rac8 24.f4 Ne4+=)) 21.Bf1 (21.cb6 cb6 22.Nd5 Be6 23.Nf4 Bc4 24.Qc4 Rf4+–) 21...Rae8? (better is 21...dc5 22.dc5 Qg6+=) 22.Bh3?? (better is 22.Kh1 Bf1 23.gf4 (worse is 23.Rf1 Nh3+/–; 23.Qf1?! Nd5 24.Qc1 Ne3+=) 23...Qf4 24.Qf4 (24.Qf1?! Qd4 25.Ne2 Qe3+/–; 24.Rf1?! Qd4 25.cd6 cd6+/–) 24...Rf4 25.Rff1 Rd4 26.cd6 Rd6 27.Ne4+–) 22...Nh3+= 23.Kg2 Nf4?? (better is 23...Qc1 24.Rc1 Nf2 25.Kf2 dc5 26.dc5 Kg8+=) 24.Kf1+/– Ne6 25.Qg5 Ng5 26.Re1 (better is 26.Kg2!?+/–) 26...Re1+= 27.Ke1 Rf3 28.cd6 cd6 29.Ke2 Rf2 30.Kf2 d5? (better is 30...Kg8+=) 31.Nd5+– Ne6 32.Ke3 g5 33.Nc7?? (better is 33.Nc3+–) 33...Nc7–/+ 34.Ke4 h6 35.Ke5 Kg7 36.Kd6 Ne8 37.Kc6 (37.Ke6 Kf8–/+) 37...Nf6 (better is 37...Kf6!?–+) 38.Kb6–/+ h5 (better is 38...Ne4!?–/+) 39.Ka6+= h4 40.gh4 gh4 41.Kb5 Nd5? (41...h3 42.d5 Nd5+/–) 42.Kc5 Ne3?? (42...Nf6+–) 43.b5 Ng4 44.h3 1–0. Fournier,Frederic – killburn, Active, 2007.

5.Nf3 Nge7 6.c4 b5? (better is 6...d5!?=) 7.cb5+/– ab5 8.Bb5 Bb7 9.0–0 Ba6 10.Ba6 Ra6 11.b5 Ra5? (better is 11...Rb6 12.Nc3 d5+–) 12.bc6 dc6 (12...Nc6 13.Qc2+–) 13.d4 Rd5 14.Qa4 Qd6 (14...e4 15.Nfd2 Rb5 16.Qc2+–) 15.Nc3 1–0. Fournier,Frederic (2215) – Lafaix,Pierre, Grand Prix Oise, 2002.

4.e4 b5

5.c4 Nc6 6.cb5+/– ab5 7.Bb5 Na7 8.Bc4 Ne7 9.Nf3 d6 (9...c6 10.0–0+/–) 10.Nh4 (better is 10.d4 ed4 11.Nd4+–) 10...Ng6?? (better is 10...c5+/–) 11.Qh5+– Kd7 (11...Bg4 12.Qg4 Nh4 13.Qh4+–) 12.Ng6 Be7 13.Ne7 (better is 13.Nh8 Qh8 14.d4 g6+–) 13...Qe7 14.Nc3 Nc6 (14...c6 15.0–0+–) 15.Bd5 Nd4 (15...Bb7 16.b5 Na5 17.0–0+–) 16.Rc1 (better is 16.Ba8 Nc2 17.Kd1 Na1 18.Ba1 Kd8+–) 16...Ra7 17.Qf7 (17.Ne2!? Ne2 18.Qe2 Kd8+–) 17...c6 18.Qe7 Ke7 19.Ba2 Ba6 20.f3 h6 21.Kf2 g5 22.g4 c5 (22...Ne6 23.Be6 Ke6 24.d4 ed4 25.Nb1+–) 23.Rhe1 (better is 23.Nd5!? Kd7+–) 23...cb4 24.ab4 Ne6 (24...Bb7 25.Nd5 Bd5 26.Bd5+– (26.ed5?! Ra2 27.Rc7 Kd8+/–)) 25.Be6 (25.Nd5 Kf7+–) 25...Ke6 26.Nd5 Bd3 (26...Rhh7 27.d4+–) 27.Rc3 Bb5 28.Rec1 (28.Nc7!? Rc7 29.Rc7 h5 30.gh5 Rh5+–) 28...Ra2 29.Rc7 Re8 (29...Bd7 30.Bc3+–) 30.Bc3 (better is 30.Rg7 Ra7 31.Ra7+–) 30...Bc4 (30...Bd7+–) 31.Rc4 (31.Rc4 Rf8 32.b5+–) 1–0. slavisa11 – painter1, Live Game Caissa's Web, 2004.

5.d4 Bb7 6.de5 Be4 7.ef6 (better is 7.c4+=) 7...Qf6?? (better is 7...Nf6 8.Nd2 Bd5=) 8.Bf6+– gf6 (8...Nf6 9.Nf3+–) 9.Nc3 (better is 9.Qe2 f5 10.f3 Bg7+–) 9...Bc6 10.Nf3 Bg7 11.Bd3 (11.Nd4 Ne7+–) 11...Ne7 12.0–0 (better is 12.a4!? f5 13.Ra3 0–0+–) 12...f5 13.Qd2 d5 (13...Bf3 14.gf3 Nbc6+–) 14.Rae1 h5 (14...Rf8 15.Ng5 Bh6 16.Qe3+–) 15.Bf5 (better is 15.Qg5 Bf8 16.Qg6 Kd8+–) 15...Bd7 (15...0–0 16.Be6 Kh8+–) 16.Bd7 Nd7 17.Nd5 Bf6 18.Nc7 Kd8 19.Na8 Rg8 20.Nb6 Rg6 21.Qd7 1–0. andre2004 – toon magpie, ChessWorld.net, 2005.

4.e4 Nc6

5.Nc3 d6 6.Nd5 (6.Bc4 f5+=) 6...Be6 (6...Nce7 7.Ne7 Ne7 8.Bc4=) 7.Ne3 (7.Bc4!? Bf7 8.Nh3+/–) 7...d5 (7...Nge7 8.c4=) 8.ed5 Bd5 9.Nd5 (9.Bd3 Nge7=) 9...Qd5 10.c4 (10.Qf3 e4 11.Qe3 0–0–0=) 10...Qd7 (10...Qe4 11.Ne2+=) 11.c5 (11.Ne2 Nh6+=) 11...Nh6 (11...0–0–0 12.Bc4 Nge7 13.d3+=) 12.Nf3 (12.Bc4=) 12...Ng4?? (better is 12...e4 13.Nh4 0–0–0–/+) 13.h3+= Nh6 14.Be2 (14.d4 e4 15.Nd2 Nd4 16.Ne4 0–0–0 17.Qd4 Qd4 18.Bd4 Rd4+=) 14...Qd5 (14...e4 15.Nh2 0–0–0 16.Rb1+=) 15.Qc1 (15.Qc2 0–0–0 16.0–0–0 Qd7+–) 15...Nf5 (15...e4 16.Bc4 Qd7=) 16.g4?? (better is 16.Qc2 g6 17.Bc4+=) 16...Nfd4 (better is 16...Ncd4 17.Bd4 Nd4–+) 17.Nd4?? (better is 17.Qd1 0–0–0 18.Bd4 Nd4 19.0–0–+) 17...Qh1 (17...ed4?! 18.0–0 d3 19.Bd1–/+) 18.Bf1 ed4 19.d3 (19.Qc2 Qf3 20.Qd3 Qd3 21.Bd3 g6–+) 19...0–0–0 20.Qf4 Re8 (20...Qd5 21.Qf5 Qf5 22.gf5–+) 21.Kd2 Qd5 22.Be2 (22.Qf5 Qf5 23.gf5 Re5–+) 22...Qe5 (22...Qb3!? 23.Bd4 Nd4 24.Qd4 Re2 25.Ke2 Bc5 26.Qc5 Qb2 27.Kf3 Qa1 28.b5 Qd1 29.Kg2 Qd3 30.ba6 ba6 31.Qc6–+) 23.Qf5 Kb8 (23...Kd8 24.Bf3 g6 25.Qe5 fe5 26.Ke2–+) 24.Qe5 (24.Bf3 g6 25.Qe5 fe5–+) 24...fe5 25.g5 (25.Bf3 Be7–+) 25...Be7 26.h4 (26.Rg1 Ref8 27.Ke1 a5–+) 26...Rhf8 (better is 26...Ref8 27.Ke1–+) 27.Bh5 (27.Rf1 Rf4 28.Ke1 Rh4–+) 27...Rf2 28.Be2 Ref8 29.Rg1 (29.Rh1 Rg2–+) 29...Rh2 30.Ke1 Rff2 31.g6 Re2 32.Kd1 Rb2 33.Kc1 h6 34.h5 Bg5 35.Rg5 hg5 36.a4 Rbg2 37.b5 Rg1 0–1. jordan2delta – Abuloai, chesshere.com, 2006.

5.Nc3 Be7 6.Bc4 Bd6? (6...d6 7.Nge2+=) 7.Nge2 (7.Bg8!? Rg8 8.Qh5 Ke7 9.Nd5 Ke6 10.Qh7+–) 7...b5+= 8.Bb3 Nge7 9.0–0 Bb7 10.d3 Nd4 (10...Ra7!?+/–) 11.Nd4+– ed4 12.Ne2 c5 13.bc5 Bc5 14.Nd4 d5? (better is 14...Qb6!? 15.c3 d5+–) 15.Ne6 Qd7 (15...Qd6 16.Ng7 Kd8+–) 16.Nc5 Qc6 17.Nb7 Qb7 18.Qh5 g6 (18...Kf8 19.ed5 Qd7 20.Qf3+–) 19.Qh4 0–0–0 (19...Rf8 20.ed5 Ng8 21.Rfe1 Kd8 22.Re6+–) 20.Bf6 Rhe8 21.ed5 Rd5 (21...Nf5 22.Qb4 Rd6 23.Rae1+–) 22.Be7 Rh5 (22...Re5 23.Bd6 Re2 24.Qg4 Qd7 25.Qd4+–) 23.Qg4 Kb8 24.Bd6 (24.Bd6 Ka8 25.Rae1+–) 1–0. Fritz 10 – NN, 2007.

5.Nc3 f5 6.ef5 Nf6 7.g4 +=.

5.Bc4 b5 6.Ba2 a5 +=.

3.a3 b5

4.e3 c6 5.c4 c5 6.bc5 Bc5 7.d4+– Qa5? 8.Bc3 Qc7 9.dc5 Qc5 10.cb5 a5 11.a4 d6 12.Nf3 Bg4 13.Be2 Nh6 14.0–0 0–0 15.Qb3 Kh8 16.Nbd2 Rc8 17.Rac1 e4 18.Ne4 Qh5 19.Nd6 Rc5 20.h3 Bh3 21.Ne5 fe5 22.Bh5 1–0. Bazza3 – IrishBouncer, ChessWorld.net, 2005.

4.e3 d6 5.Bb5+/– Nd7 6.Nf3 Rb8 7.Nc3 Ne7 8.d4 Nf5 9.0–0 Be7 10.Qd3 0–0?? (better is 10...Nh6+–) 11.Qf5 Nc5 12.Qh5 f5 (12...Ba6 13.Ba6 Na6+–) 13.dc5 1–0. Fournier,Frederic (2100) – DrPepper836, chessworld.net, 2008.

4.e3 Bd6 5.c4 (5.Bb5!? Bb7 6.Nf3+/–) 5...bc4+= 6.Bc4 Ne7 7.Nf3 Ba6 8.Ba6 Na6 9.0–0 c6 10.d4 e4 11.Nfd2 Nf5? (better is 11...f5!?+=) 12.Ne4 Be7 13.Nbd2 0–0 14.Nf3 Nd6 15.Qe2 Ne4 16.Rac1?? (better is 16.Qa6 Qb6 17.Qb6 ab6 18.Rac1+/–) 16...Nc7–+ 17.Rfd1 Nd5 18.Qd3 Ng5 19.Ng5 fg5 20.f3 Bd6 21.e4 Nf6?? 22.e5= Nh5 23.ed6+/– Qf6? 24.Qd2 Nf4 25.d5 cd5?? 26.Bf6 Rf6 27.g3 Nh3 28.Kg2 g4 29.Qd5 Kh8 30.fg4 Raf8 31.Kh3 Rf2 32.Rd2 R2f7 33.Rc7 Kg8 34.Rd7 h6 35.Rf7 Rf7 36.d7 Kh7 37.Qf7 (37.Qf7 a6 38.d8Q h5 39.Qh5) 1–0. Fournier,Frederic – Aticus, KasparovChess.com rated blitz game, 2002.

4.e4 c6 5.Nf3 Ne7 6.d4+= Ng6 7.de5+/– Be7 8.c4 a6 9.ef6 gf6 10.Nbd2 d6 11.Bd4 Nd7 12.Rc1 Rf8 13.cb5 ab5 14.Rc6 Ra3 15.Bb5 Kf7 16.Nc4 Ra7 17.Ba7 Nf4 18.Nd6 Kg8 19.Rc8 Ng2 20.Kf1 Qc8 21.Nc8 Ne5 22.Ne7 Kg7 23.Nf5 Kg6 24.Ne5 fe5 25.Qg4 Kf6 26.Qg7 Ke6 27.Bc4 1–0. b4_player (2015) – Dutchie909 (1795), GameColony.com, 2002.

4.Nf3 e4 5.Nd4+= a6 6.e3+/– c5 7.Nf5?? cb4 8.ab4 g6 9.Nd4 Bb4 10.Nc3 Bc3 11.Bc3 Bb7 12.f3 ef3 13.gf3 h5 14.Nb5?? ab5–/+ 15.Bb5 Ra1 16.Qa1 Bf3 17.Bf6? Nf6 18.Rf1 Rf8 19.Rf3 Ng4 20.Rf4? Qh4 21.Kf1 Rf4 22.Ke2 Qh2 23.Kd3 Nf2 24.Kc3 Ne4 (24...Ne4 25.Kb2 Rf2–+; 24...Rf5 25.Kb4–+) 0–1. Cruncher87@ – Bernd, mySchach.de, 2005.

4.e3 a6

5.c4 bc4 6.Bc4 Bb7 7.Nf3 Ne7 8.0–0+= Bd5? 9.Qb3 Bc4+= 10.Qc4 Nbc6 11.Nc3 h5 12.d4+/– d5 13.Qc5 g5 14.Ne2 Qd7 15.de5+/– Nf5? 16.Qc2+– fe5 17.Be5 Ne5 18.Ne5 Qe6 19.Rfd1 Qe5? 20.Qc6 Kf7 21.Qa8 Bg7 22.Qa6 Ne3 23.fe3 Qe3 24.Kh1 Ba1 25.Ra1 Qf2 26.Ng3 Re8 27.Rf1 Re1 28.Qd3 Rf1 29.Qf1 Qf1 30.Nf1 d4 31.Nd2 Ke6 32.Kg1 Kd5 33.Kf2 c5 34.bc5 Kc5 35.Ke2 h4 36.Ne4 Kc4 37.Ng5 Kc3 38.Kd1 d3 39.a4 Kb4 40.Kd2 Ka4 41.Kd3 Kb5 42.Ke4 Kc5 43.g3 hg3 44.hg3 Kd6 45.Kf5 Ke7 46.Kg6 Kf8 47.Kh7 Ke7 48.g4 Kf6 49.Kh6 Ke5 50.Nh7 Kf4 51.g5 Kf5 52.g6 1–0. kiloracer (1635) – apmc (1715), net–chess.com, 2005.

5.Be5 g6 6.Bg3 d6 7.Nf3 Bb7 8.Nc3 Nc6 9.d4 d5 10.Bd3 Nge7 11.0–0 Nf5 12.e4 Ng3 white timed out 0–1. sbeaulieu (2550) – sbderkach (1915), net–chess.com, 2014.

5.Nf3 Bb7 6.c4 bc4 7.Bc4 Ne7 8.0–0 e4 9.Nd4 d5 10.Be2 g6 (10...a5!?+=) 11.Ne6+/– Qd6 12.Nf8 Kf8 13.d3 f5?? (better is 13...Kg7!?+/–) 14.de4 (14.Bh8 Kg8 15.Bb2 Nbc6+–) 14...fe4?? (14...Rg8+–) 15.Qd4 (better is 15.Bh8 Nd7 16.Bb2+–) 15...Rg8+/– 16.f4 Nf5 17.Qd2 Nd7 18.Nc3 d4 19.ed4 Qd4 20.Qd4+– Nd4 21.Bc4 e3? 22.Rad1 e2 23.Ne2 Ne2 24.Be2 Nb6 25.f5 g5 26.Bf3 c6? 27.Rfe1 g4 28.Be4 h5?! 29.g3 Re8 30.Bg2 Re1 31.Re1 Nc4 32.Bc1 Nd6 33.f6 Rg6 34.Re6 Ne8 35.Bc6 Bc6+/– 36.Rc6 Rf6 37.Rf6 Nf6 38.Kf2 Ke7? 39.Bg5+– Ke6 40.Bf6 Kf6 41.Ke3 Ke5 42.a4 Kd5 43.Kd3 Kc6 44.Kc4 Kb6 45.b5 ab5 46.ab5 Ka5 47.Kc5 (47.Kc5 h4 48.gh4+–) 1–0. Fournier,Frederic (1880) – lheo (1765), Active (5/0), 2005.

4.e3 Nc6

5.Bb5 a6 6.Bc4 d5 7.Bb3 d4 (7...a5 8.b5 a4 9.Ba2+/–) 8.Nf3 (8.Qh5 g6 9.Qf3 Bb7+–) 8...a5 (8...de3!? 9.fe3 Rb8+/–) 9.b5+– e4 (9...Nce7 10.ed4 e4 11.Nh4+–) 10.Nd4 a4 (10...Nd4 11.Bd4 Bf5+–) 11.Nc6 f5 (11...Qd7 12.Bg8 Rg8+–) 12.Nd8 f4 13.Bg8 (better is 13.Bd5 Kd8 14.Ba8+–) 13...g5 14.Ne6 (14.Qh5 Kd8 15.Qg5 Ke8 16.Qh5 Kd7 17.Qd5 Ke7 18.Qf7 Kd6 19.Be5 Kc5 20.Qc7 Kb5 21.Bc4) 14...g4 15.Nf8 (15.Qg4 Rg8 16.Qg8 Ke7 17.Qf8 Ke6 18.Qe8 Kf5 19.Qf7 Kg5 20.ef4 Kh4 21.Qe7 Kh5 22.Qg5) 15...f3 16.gf3 (better is 16.Bh8 Kf8 17.Bh7 fg2+–) 16...g3 17.fg3 (better is 17.Bh8 Kf8 18.Bh7 g2+–) 17...c6 18.fe4 (18.Bh8 Kf8 19.Bh7 Ra7+–) 18...h5 19.Qf3 h4 20.Rf1 (20.Qf7 Kd8 21.Bf6) 20...h3 21.Qf7 Kd8 22.Ne6 (22.Bf6) 22...Be6 23.Qe6 Kc7 (23...Rh6 24.Qh6 Ra7 25.Qd6 Kc8 26.Rf8 Kb7 27.Qc6) 24.Rf7 Kb6 25.Qc6 Ka5 26.Bc3 1–0. Fournier,Frederic (1785) – lueser (1630), Active (5/0), 2005.

5.Bb5 Nb8 6.Nf3 c6 7.Bc4 Ne7 8.0–0 Bb7 9.d4 c5? 10.de5 Bf3 11.Qf3 d5 12.ed6 (12.ed6 Nd7 13.de7 Be7 14.Qd5+–) 1–0. Wall,Bill – Bkansas, internet, 1999.

5.Bb5 g5 6.Qh5 Ke7 7.e4 Qe8 8.Qe8 Ke8 9.Bc6 dc6 10.d4 Rb8 11.de5 Bg7 12.ef6 Bf6 13.e5 Bg7 14.Nd2 Bf5 15.Ngf3 h6 16.c4 g4 17.Nh4 Ne7 18.Nf5 Nf5 19.0–0 Rd8 20.Ne4 Kf8 21.Nc5 Rd2 22.Rab1 Re2 23.Ne6 Kf7 24.Ng7 Ng7 25.Rfe1 Rc2 26.e6! Kg8 27.e7 Kf7 28.Bg7 Kg7 29.e8Q Re8 30.Re8 Rc4 31.Rc8 c5 32.Rc7 Kf8 33.Rc5 Rc5 34.bc5 (34.bc5 Ke8 35.Rd1+–) 1–0. undergearmalaysia – abandon, net–chess.com, 2002.

3.a3 b6

4.c4 Bb7 5.Nf3 d5 6.cd5 Bd5 7.d4 ed4 8.Nd4 Nc6 9.Nc6 Bc6 10.Qd8 Rd8 11.e3 Bd6 12.Bc4 Ne7 13.0–0 Bd5 14.Bb5 c6 15.Be2 0–0 16.Nc3 Bf7 17.Ne4 Bb8 18.Rfd1 Ng6 19.Rd8 Rd8 20.Rd1 Rd1 21.Bd1 Bd5 22.Nc3 Be6 23.Bf3 Bd7 24.Ne4 Ne5 25.Be2 f5 26.Ng3 g6 27.f4 Nf7 28.Nf1 Be6 29.Nd2 Bd5 30.Nc4 Nd6 31.Ne5 Ne4 32.Bc4 Be5 33.Bd5 cd5 34.Be5 Nd2 35.Kf2 Nc4 36.a4? Kf7 37.Bd4= Ke6 38.h3 Kd6 39.g4 Kc6 40.gf5 gf5 41.b5 Kd6 42.Kg3 Ke6 43.Kh4 Kf7 44.Kh5 Nd6 45.Kh6 Kg8 46.Kg5 Kf7 47.h4 Ne4 48.Kh5 Nf6?? 49.Bf6+– Kf6 50.Kh6 Kf7 51.h5 Kf6 52.Kh7 Kf7 53.h6 Kf8 54.Kg6 Kg8 55.Kf5 Kh7+– 56.Ke5 Kh6 57.Kd5 1–0. dtpwaldi (1605) – chamkator, internet, 2011.

4.c4 Be7 5.e3 c5 6.b5 d6 7.d4 Nd7 8.d5 f5 9.Nd2 Ngf6 10.Ne2 g6 11.g3 g5 12.f4 gf4 13.ef4+= e4 14.Bg2 Ng4?? 15.Bh8+– Ndf6 16.0–0 Kf7 17.Bf6 Bf6 18.Ra2 a5 19.Nc1 Bd4 20.Kh1 Nf2 21.Rf2! Bf2 22.Ne4 fe4 23.Rf2 Qf6 24.Be4 Bf5 25.Qh5 Bg6 26.Bg6 hg6 27.Qh7 Qg7 28.Qg7 Kg7 29.Re2 Rd8 30.Nd3 Kf6 31.g4 a4 32.Kg2 g5 33.f5 Kf7 34.Kf3 Rd7 35.Nf2 Re7 36.Re7 Ke7 37.Ne4 (37.Ne4 Kd8 38.Nd6+–) 1–0. phildo (1975) – afilby (1895), net–chess.com, 2004.

4.e3 a6 5.Bc4 Ne7 6.d4 ed4 7.Bd4 d6 8.f4 Bb7 9.Nf3 Bf3 10.Qf3+/– Nbc6 11.Bd5 Qd7+= 12.Bc6 Nc6 13.c4 0–0–0 14.b5+/– ab5 15.cb5 (15.cb5 Nb8 16.Nc3+/–) 1–0. malaysianisme – beammeupscotty (2115), net–chess.com, 2003.

4.e3 Nc6 5.Nf3 Bb7 6.Be2 Bd6 7.0–0 f5? (7...e4 8.Ne1+=) 8.d3 (8.b5 Na5 9.Ne5 Nf6+–) 8...Nf6 (8...a6 9.c4 Nf6 10.d4 ed4 11.ed4+=) 9.c4 (9.b5 Na5 10.Ne5 0–0+/–) 9...0–0 10.Nbd2 (10.b5!? Na5 11.Ne5+/–) 10...Qe8 11.e4 f4 (11...a5 12.b5 Ne7 13.Ne5+=) 12.d4 (better is 12.Qc2+/–) 12...ed4 13.Nd4 (better is 13.Re1=) 13...Ne4?? (better is 13...Be5!? 14.N2f3 Nd4 15.Ne5 Ne2 (worse is 15...Qe5 16.Bd4 Qg5 17.f3+=) 16.Qe2 Be4+=) 14.Ne4 (better is 14.Bh5!? g6 15.Ne4 Qe4 16.Bf3+–) 14...Qe4+= 15.Bf3 Qg6 16.Nc6 dc6 17.Qd4 c5 18.bc5?? Bf3–+ 19.Qg7 Qg7 20.Bg7 Kg7 21.cd6 Be2 22.Rfe1 Bc4 23.Re7 Rf7 24.Rc7 Rc7 25.dc7 Rc8 26.Rc1 Rc7 27.f3 b5 28.Kf2 Kf6 29.g3 Kf5 30.Re1 Bd5 31.g4 Kf6 32.Re2 Rc3 33.Rd2 Bf3 34.Rd6 Ke7 35.Rd4 Bg4 36.Rf4 Be6 37.Rb4 a6 38.a4 ba4 39.Ra4 Rc6 40.Re4 Kd7 41.Rd4 Kc7 42.Ra4 Bc4 43.Ra1 Kb6 44.Kg3 Kc5 45.h4 Kb4 46.Rb1 Kc5 47.Rc1?? Rd6 48.Rc2 Kb5 49.Rb2 Kc5 50.Ra2?? Kd5 51.Rb2 1–0. Fournier,Frederic (1835) – berto2 (1810), Active, 2008.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 b6).

4.e3 Bd6 5.Bd3+= Ne7 6.Qg4 0–0? 7.Qe4 c6 8.Qh7 Kf7 9.Qh5 g6 10.Qh7 Ke8 11.Bg6 Ng6 12.Qg6 Rf7 13.h4 Qe7 14.h5 Kf8 15.h6 Rh7 16.Nf3 Qf7 17.Qg4 f5 18.Qh4 Be7 19.Ng5 Qg6 20.Nh7 Kg8 21.Qe7 Qg2 22.Nf6 Kh8 23.Qh7# 1–0. Wall,Bill – Owe John, internet, 2004.

4.e4 a5 5.b5+= Bb7 6.Nc3 Ne7 7.Bc4 d6 8.Nge2 d5 9.ed5 Nd5 10.0–0 Nc3 11.Nc3 Nd7 12.Nd5 Bd6 13.d4 Kf8 14.Re1 h5 15.Qd3 ed4 16.Bd4 Nc5 17.Bc5+– bc5 18.Rad1 Be5 19.Re5! fe5 20.Qf5 (20.Qf5 Ke8 21.Qe5 Kf7 22.Qf5 Qf6 23.Nf6 Bd5 24.Nd5 Ke8 25.Nc7 Ke7 26.Rd7#) 1–0. Velker – Veer, corr ICCF TT–4–90 SF, 1994.

4.e4 Ba6 5.Ba6+/– Na6 6.Nf3 Nb8 7.Nh4 g6+= 8.Nc3 a6 9.0–0 d6 10.Qg4 Qd7 11.Qg3 Ne7 12.Nf3+/– Bh6 13.Qh4 Bg7 14.d4 g5 15.Qh5+/– Ng6 16.de5 de5 17.Rfd1 Qe7 18.Nd5+– Qf7 19.Be5! fe5 20.Ng5 Qg8 21.Qh3 Nc6 22.Nc7 Kf8 23.Qf5 (23.Qf5 Bf6 24.Qf6 Qf7 25.Qf7#) 1–0. Wall,Bill – RayJoe, internet, 1998.

4.e4+= c6 5.d4 d6 6.Bd3 ed4 7.Bd4 Na6 8.b5 Nb8 9.Nf3 c5 10.Be3 a5 11.0–0 g5 12.Bc4 Nh6 13.Bd5 Ra7 14.Re1 Bb7 15.Nc3 Bd5 16.Nd5 Nd7 17.c3 Ng4? 18.Ng5! fg5 19.Qg4 h6 20.Qh5# 1–0. kamret (2185) – Randalthor, GameColony.com, 2003.

4.e4 Nc6 5.Nf3 Bb7 6.Bc4 Bd6 7.b5 Na5+= 8.Bd3 Qe7 9.0–0 0–0–0 10.Re1 g6 11.Nc3 Bc5 12.h3 Qf7 13.a4 Ne7 14.Ba3 Nc4 15.Bc5+/– bc5 16.a5 d5? 17.ed5 Nb2+/– 18.Qb1 Nd3+= 19.cd3 Nd5 20.a6 Ba8 21.Na4 Nf4=+ 22.Nc5? Qd5?? 23.Na4?? Nd3?? 24.Re3= e4 25.Ne1 Qc4 26.Nd3+/– Rd3? 27.Rd3 ed3+= 28.Qb2 Qe4 29.f3 Qf5 30.Rf1 Re8+= 31.g4?? Qf4–+ 32.Qc1 Bf3 33.Qc6 Qg3 0–1. andre2004 – dugmak, ChessWorld.net, 2005.

4.e4 Ne7 5.Nf3 Bb7 6.Nc3 Ng6 7.Bc4+= Nc6 8.0–0 Be7 9.d4 ed4 10.Nd4 Nd4 11.Qd4 Ne5 12.Bb3 Nc6? 13.Qd5+– Rf8 14.Qh5 g6 15.Qh7 Ne5 16.Nd5 Bd5 17.Bd5 c6 18.Be5 cd5 19.Qg6 Rf7 20.Bg3 d6 21.ed5 Qd7 22.Rfe1 Rc8 23.Re2 Rc4 24.Rae1 Rd4 25.Re7 Qe7 26.Re7 Ke7 27.h4 (27.h4 Rd1 28.Kh2 Rd5 29.Qe4 Re5 30.Qa8+–) 1–0. khani9 – savage13, ChessWorld.net, 2007.

4.e3 Bb7

5.c4 Nc6 6.Nc3 Nh6 7.Nf3 Bd6 8.d4 ed4 9.Nd4 0–0 10.h3 Nd4 11.Qd4 Nf7 12.Nd5 Bd5 13.Qd5 Qe7 14.Be2 Be5 15.Be5 Qe5 16.0–0 Rfd8 17.Bf3 c6 18.Qe5 Ne5 19.Be2 d5 20.c5 b5 21.Rfd1 a6 22.a4 Rdb8 23.ab5 ab5 24.Ra8 Ra8 25.f4 Nc4 26.Kf2 Ra4 27.Bc4 dc4 28.Rd6 Rb4 29.Rc6 c3 30.Ke2 Rb2 31.Kd1 b4 (31...Rg2?! 32.Rb6 Kf7 33.Rb5=) 32.Rb6 Kf7 33.c6 Ke6 34.Rb7 Kd6 35.Rg7 b3 (worse is 35...Kc6 36.Rg8 Kd5 37.Kc1–+) 36.c7 Rd2 37.Kc1 (37.Ke1 b2 38.c8N Kd5 39.Rb7–+) 37...b2 38.Kb1 Rd1 (38...Rd1 39.Kc2 b1Q 40.Kc3 Rd3 41.Kc4 Qb3#) 0–1. Rush,Bradley – Jas,Marcin, OP–2012–0–02117, 2012.

5.Be5 Ne7?? 6.Bd3?? fe5–+ 7.Qh5 g6 8.Qh3? a6 9.Nf3? e4 10.Qg3 ed3 11.cd3 Bg7 12.Ra2 d6 13.e4 Nbc6 14.Ng5 Qd7 15.Nc3 0–0–0 16.Nf7 Rhg8 17.Nd8 Qd8 18.b5 ab5 19.Nb5 Be5 20.Qe3 Rf8 21.0–0 Ba6 22.a4 Bb5 23.ab5 Nb8 0–1. malaysianisme – beammeupscotty (2115), net–chess.com, 2004.

5.Nf3 =.

4.e3 c5

5.bc5 bc5 6.Nf3 Nc6 7.Bc4 Nge7 8.d3 d5 9.Bb3 Bg4 10.h3 Bh5 11.c4 d4=+ 12.g4 Bg6 13.ed4 ed4 14.Nh4 Rb8 15.Ng6 Ng6–/+ 16.0–0 Be7 17.f4 Qc7 18.Ba4?? Rb2–+ 19.Bc6 Qc6 20.Nd2 0–0 21.Ne4 Nh4 22.Rb1 Rfb8 23.Rb2 Rb2 24.Rf2 Qb7 25.Rb2 Qb2 26.Qd2 Nf3 27.Kf2 Nd2 28.Nd2 Qd2 29.Kg3 Qe3 30.Kh4 Qf4 31.a4 Bd6 32.a5 Qg5# 0–1. nuttieclyde – TheSkyIsTheLimit, fics Oklahoma City, 2000.

5.bc5 Bc5 6.Nf3 Bb7 7.Be2 Bf3 (7...e4!? 8.d4 Be7+=) 8.Bf3+/– (8.gf3?! Nc6=) 8...Nc6 9.0–0 Rc8 10.c3 h5 (better is 10...f5!?+=) 11.d4 ed4 12.ed4 Bd6 13.Bh5 Kf8 14.h3 Qc7 15.Re1 Bh2 16.Kf1 0–1. Fournier,Frederic – Adeimi,Michel, Active, 2006.

5.Qf3 Nc6?? 6.b5+– e4 7.Qe4 Ne5 8.Qa8 d5 9.Nc3 Ne7 10.Qa7 Bf5 11.d3 c4 12.d4 Nd7 13.Rc1 Nc8 14.Qa8 Be6 15.Nd5 Bd5 16.Qd5 Be7 17.Qc4 Nd6 18.Qd3 g6 19.Nf3 Qa8 20.Be2 0–0 21.0–0 Nf5 22.Qb3 Kg7 23.Qe6 Re8 24.Qd7 Kf8 25.Ra1 Rd8 26.Qc6 Qa4 27.Qc4 Qa7 28.a4 1–0. Hardin – DlGGER, Live Game Caissa's Web, 2004.

5.Qf3 d5 =.

4.e4 Bb7

5.Nc3 Nc6 6.Nf3 Qe7 7.Nd5 Qd6 8.Bc4 0–0–0 9.0–0 Nge7 10.Nc3 g6 11.Nb5 Qe6 12.Be6 de6 13.Nc3 Bh6 14.d3 a6 15.b5 Na5 16.ba6 Ba6 17.Nd2 f5 18.Ne2 Nec6 19.f4 Bg7 20.Qe1 Rhg8 21.Rb1 Nd4 22.Nd4 ed4 23.ef5 ef5 24.Qe6 Kb8 25.Rfe1 Bc8 26.Qa2 Rgf8 27.Qa1 Nc6 28.Nc4 Rf7 29.Re2 Bd7 30.Ne5 Be5 31.fe5 Be6 32.a4 Rfd7 33.Ba3 Ka7 34.Qb2 Rd5 35.Bd6! 1–0. Marshall,Ron – Richard,Andy, M–991.1, 1997.

5.Nc3 Qe7 6.Nf3 a6 7.Bc4 Nc6 8.Qe2 0–0–0? 9.Ba6+– Nh6 10.Nd5 Qe8 11.0–0 d6?! 12.Qc4 Qf7 13.Qc6 Ba6 14.Nb6 Kb8 15.Qa8# 1–0. pierre (2125) – pbram143, internet, 2007.

5.Nc3 Ne7 6.Qh5 Ng6 7.Nf3+/– Qe7 8.Bc4 Nc6?? 9.Nd5+– Qd6 10.Nh4 0–0–0 11.Ng6 Nd4 12.Nh8 +–. Fritz 8 – NN, 2003.

3.a3 c5

4.c3 a5 5.Qb3 (5.bc5!? Bc5 6.d4+= Bb6 7.e3 d6 8.Nf3 Ne7+=) 5...ab4+= (5...Nc6 6.b5 Nce7 7.d4 d5 8.e4 ed4=) 6.ab4 (6.e4 Nc6 7.cb4 cb4 8.Nf3 ba3+=) 6...Ra1 7.Ba1 cb4 8.cb4 (8.e4 bc3+=) 8...Nc6 9.Bc3 Qb6 (9...Bb4 10.e4 Bc5 11.Bc4–/+) 10.e3 (10.b5!?=) 10...Bb4 11.Bb2 (11.Na3 Bc5 12.Nb5 Nh6+=) 11...Qa5 12.Bc3 Nge7 13.Be2 d5 14.Nf3 0–0 15.0–0 Be6 16.Rc1 Kf7 17.Bb4 (17.d4 e4 18.Ne1 Bc3 19.Rc3 Rb8–/+) 17...Qb4–/+ (17...Nb4?! 18.d4=) 18.Qb4 Nb4 19.h3 Nec6 20.Rc5 (20.d4–+) 20...Ra8 21.Nc3 d4 22.ed4 ed4 23.Ne4 Ra1 24.Kh2 (24.Bf1 Bd5 25.Ng3 Bf3 26.gf3 Nd3–+) 24...d3 25.Bd3 Nd3 26.Rc3 Ndb4 27.Nd6 Ke7 28.Nb7 Bd5 29.Nh4 g6 30.Nc5 Ra2 31.Re3 Kd6 32.Nb7 Kc7 33.Nc5 Rd2 34.Kg3 Ne5 35.Ne4 Nd7 (better is 35...Be4 36.Re4 Nd5–+) 36.Nd2+– Kd6 37.Nhf3 Nc6 38.Ne4 Be4 39.Re4 Nde5 40.Rh4 h5 41.Ne5 Ke5 0–1. mic (2200) – fbershadski (2285), net–chess.com, 2007.

4.c3 cb4 5.cb4 a5 6.b5 d5 7.d4 e4 8.Nc3 Be6 =.

4.c3 c4 5.e4 b5 6.Be2 Bb7 7.d3 cd3 8.Bd3 a6 9.Nf3 d5 10.ed5 Qd5 11.0–0 Ne7 12.Re1 g6 13.Qc2 Bh6 14.c4 bc4 15.Bc4 Qc6 16.Nbd2 Nd7 17.Re2 Nf5 18.Qe4 Qe4 19.Ne4 Be4 20.Re4 Nd6 21.Bd5 Ne4 22.Ba8 Nd6 23.Bc6 Ke7 24.Rd1 Rc8 25.Bd5 Rc2 26.Ba1 Nb6 27.Bb3 Rc1 28.Rc1 Bc1 29.a4 Nbc4 30.Ne1 Bb2 31.Bb2 Nb2 32.f3 Nbc4 33.Nd3 Nd2 34.Bc2 N6c4 35.a5 Na3 36.Ba4 Kd6 37.Kf2 Kc7 38.Ke3 Nac4 39.Ke2 Kb7 40.Be8 Nb1 41.Nc5 Ka7 42.Bf7 Nba3 43.Kd3 Nd6 44.Bg8 h6 45.Nd7 f5 46.Ne5 g5 47.h3 Nab5 48.Bd5 Nc7 49.Bc6 Ne6 50.g3 h5 51.Bd5 Nc7 52.Ba2 g4 53.hg4 hg4 54.fg4 fg4 55.Ng4 Nf5 56.Bf7 Ng3 57.Ne5 Nf5 58.Bh5 Nd6 59.Bf3 Kb8 60.Kd4 Ncb5 61.Kc5 Kc7 62.Nc4 Nc4 63.Kc4 Na3 64.Kc5 Nb5 65.Bc6 Nd6 66.Ba4 Ne4 67.Kd5 Nc3 68.Kc4 Na4 69.Kb3 Nb6 70.ab6 Kb6 71.Ka4 Kb7 72.Ka5 Ka7 73.b5 Draw agreed ½–½. Mango Mick – nimzo1, ChessWorld.net, 2014.

4.c3 Nc6 5.e4 d5 6.ed5 Qd5 7.d3 Bf5 8.b5 Nce7 +=.

4.Bc3 d5 5.bc5 (5.e3 Nc6+=) 5...Bc5 (5...d4 6.Bb2+=) 6.d4 ed4 7.Bd4 Qa5 (7...Bd4 8.Qd4 Nc6 9.Qd2+=) 8.Bc3= Qb6 9.e3 Qc6 (9...Ne7 10.Qh5 g6 11.Qd1=) 10.Nf3 Nh6 11.h3 0–0 12.Bd3 Nd7 (12...Nf5 13.Bb4=) 13.0–0+= d4 (better is 13...b5!?+=) 14.Nd4 Bd4 15.Bd4 (15.ed4 b5+/–) 15...f5 (15...Ne5 16.Nc3+/–) 16.Nd2 f4 (16...Nc5 17.Qh5+–) 17.Qh5 Nf6 18.Bf6 (18.Qg5 fe3 19.fe3 Nf7+–) 18...Qf6 19.Ne4 Qf7 (19...Qc6 20.Qc5 Qg6 21.Qd6+–) 20.Qf7 Rf7? (better is 20...Nf7 21.ef4 Be6+–) 21.Bc4 Bf5 22.Nd6 (worse is 22.Bf7 Nf7 23.Nc5 Rc8 24.Nb7 Be4+–) 22...Bc2 23.Nf7 (23.Rac1 Bg6+–) 23...Nf7 24.Rac1 Be4 25.ef4 Rc8 (25...Bc6+–) 26.Bf7 Kf7 27.Rc8 1–0. wlittle (1705) – michal, net–chess.com, 2001.

4.bc5 d5 5.d4 (5.cd6 Be6+=) 5...ed4 6.Bd4 Nc6 7.e3 (7.c3 Bf5+=) 7...Bc5 8.Nf3 (8.Bc5 Qa5 9.Bb4 Nb4=) 8...Bd4 (8...Bd6 9.Bd3=) 9.Nd4 Nd4 (9...Nge7 10.c3=) 10.Qd4 Ne7 11.Bb5 (11.Nc3 Be6=) 11...Bd7 12.Bd7 (12.Bd7 Qd7 13.0–0=; 12.Bd3 Qa5 13.Qc3 Qc3 14.Nc3 a6+=). shoulders – smoothmovermovesagain, ChessWorld.net, 2006.

4.e3 b6 5.Be5 fe5?? (better is 5...Nc6 6.Bf4 cb4+=) 6.Qh5+– g6 7.Qe5 Ne7 8.Qh8 Nf5 (8...h6 9.Nf3+–) 9.bc5 Qe7 10.cb6 ab6 11.Ra2 d6 12.Rb2 Nd7 13.Nf3 Qf7 14.Ng5 Qg7 15.Qg7 Bg7 16.d4 Nc5 (16...Bb7 17.Nh7 Nh4 18.Rg1+–) 17.Rb6 Na4 (17...Nd7 18.Rb4 Nf6 19.e4+–) 18.Rb4 Bd7 19.Nh7 Rc8 20.Kd2 Bh6 (20...Ra8+–) 21.Nf6 Ke7 22.Nd7 Kd7 23.Bb5 (23.Bb5 Ke6 24.Ba4+–) 1–0. jasa – Dingleberry, ChessWorld.net, 2002.

4.e3 Qb6 5.Nc3 (5.c3 a5=) 5...a6 (5...cb4!? 6.ab4 Bb4=) 6.Nd5 Qd6 7.Bc4 (7.Qh5 Kd8 8.c4 b6+/–) 7...Ne7 8.Qh5 g6 (8...Kd8!? 9.Ne7 Qe7 10.bc5 Qc5+=) 9.Nf6!+/– Qf6 10.Qe5 Qh4?? (better is 10...Qe5 11.Be5 d5 12.Bd5 Nd5 13.Bh8 cb4+=) 11.d3 (11.d3 d5 12.Nf3+–; 11.Qh8?! Qc4 12.Bg7 Ng8 13.Bf8 Kf8 14.Qh7 Qc2+–; 11.bc5?! Qc4 12.Qh8 Qc5+/–) 1–0. Wall,Bill – Tiger111, internet, 2001.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 c5).

4.e4 a6 5.Nc3+/– b5 (5...Nc6 6.Nf3+/–) 6.bc5 Bc5 7.a4 b4 8.Nd5 Bb7 9.Bc4 Ne7? (better is 9...Nc6!?+/–) 10.Qh5+– g6?? (better is 10...Ng6 11.Nf3 Nc6+–) 11.Nf6 (11.Nf6 Kf8 12.Qh6) 1–0. pierred – anony, internet, 2014.

4.e4 Nc6 5.Bc4 (5.b5 Nce7=) 5...cb4+= 6.Bg8 Rg8 7.Qh5 g6 8.Qh7 Qe7?? (better is 8...Rg7 9.Qh4 d5+=) 9.Qg8+– d6 (9...Qf7 10.Qf7 Kf7 11.Ne2+–) 10.Qg6 Qf7 11.Qf7 Kf7 12.Nf3 Be6 13.0–0 (13.h4 d5 14.d3 b5+–) 13...Be7 14.d4 Rd8 (14...d5 15.ed5 Bd5 16.de5 Bf3 17.e6 Ke6 18.gf3 Rg8 19.Kh1 Bc5+–) 15.d5 Bg4 (15...ba3 16.Ra3 f5 17.de6 Ke6 18.ef5 Kf5 19.Rb3+–) 16.dc6 bc6 17.ab4 d5 (17...Rd7 18.Nfd2+–) 18.h3 (18.ed5 Bf3 19.gf3 cd5 20.Ra7 Ke6+–) 18...Be6 (18...Bf3 19.gf3 Bb4 20.Ra7 Ke6 21.Rd1+–) 19.Ra7 (19.ed5 Bd5 20.Ra7 Ke8+–) 19...d4 (19...de4 20.Nfd2 Rd7 21.Rd7 Bd7 22.Bc3+–) 20.Rd1 Ke8 21.c3 Bb3 22.Rd2 d3 23.Nh4 (23.Ne1 Bf8 24.Na3 f5 25.Rd3 fe4 26.Rd8 Kd8+–) 23...c5 24.Nf5 Bd6 25.Nd6 (better is 25.Rd3!? Bc7 26.Rd2 Rc8+–) 25...Rd6 26.bc5 Rd8 27.Ba3 1–0. Nylson – FabianW, playchess.de, 2002.

4.b5 a6

5.a4 ab5 6.ab5 Ra1 7.Ba1 Qa5 8.c4?? (better is 8.Nc3+=) 8...Qa1–+ 9.Nc3 Qd1 10.Nd1 d5! 11.d3 (11.cd5 Bd6 Combination) 11...dc4 12.dc4 Nd7 (12...f5 13.g3–+) 13.Nc3 Nb6 14.e3 (14.e4 f5–+) 14...Be6 15.f4 Bc4 16.fe5 Bf1 17.Kf1 fe5 18.e4 (18.Nf3 Bd6–+) 18...Nf6 19.Nf3 Bd6 20.Kf2 0–0 21.Rd1 Ne8 22.h3 c4 23.Ra1 (23.Ke2 Kf7–+) 23...Bc5 24.Ke2 Bd4 25.Rc1 Bc3 26.Rc3 Nd6 27.Ne5 Nb5 (27...Re8 28.Nf3 Nd5 29.Rc2 Re4 30.Kd2 Nb5 31.Ra2–+) 28.Rc1 (28.Rc4 Nc4 29.Nc4 Kf7–+) 28...Re8 29.Nc4 (29.Nf3 Re4 30.Kd2 Nd5–+) 29...Re4 30.Kd3 Rd4 (30...Rd4 31.Ke2 Nc4–+) 0–1. M8IN3 – GARYPAULN, Live Game Caissa's Web, 2005.

5.a4 ab5+= 6.ab5 Ra1 7.Ba1 d5 8.e3 d4 9.ed4 cd4 10.Nf3 Bf5 11.Nh4 Bg6 (better is 11...Be6+=) 12.Bd3?? (better is 12.Ng6 hg6 13.Qf3+=) 12...Bd3–+ 13.cd3 Bb4 (better is 13...Qa5!? 14.Qh5 Kd8 15.Bd4 ed4 16.Qd5 Nd7 17.Qb7 Bc5–+) 14.Qh5+= g6?? (better is 14...Kf8 15.Ng6 hg6 16.Qh8 Qa5+=) 15.Ng6!+– hg6 16.Qh8 Kd7 (16...Kf8 17.Qh7 Qd5 18.0–0+–) 17.Qg7 (17.0–0 Bd6+–) 17...Ke6? (better is 17...Ne7 18.0–0 Qa5+–) 18.Qg6 Ne7 19.Qe4 Qa5? (19...Qb6+–) 20.Bd4 Bd2 (20...Qb5 21.Bc3 Bd6+–) 21.Nd2 Qa1 (21...Qb5 22.f4 Nbc6 23.fe5 fe5+–) 22.Ba1 (22.Ba1 Nd7 23.Qb7+–) 1–0. tromar (1775) – NN, GameColony.com, 2002.

5.ba6 Na6 6.e4 c4 7.Bc4+/– Bc5 (7...Nc5 8.Qh5 g6 9.Qf3+/–) 8.d4 ed4 (8...Qb6 9.dc5 Qb2 10.Ra2+/–) 9.Bd4 Qa5 (9...Bd4 10.Qd4 Qa5 11.Nc3+/–) 10.Bc3+– Qb6 (10...Qc7 11.Qh5 g6 12.Qe2+–) 11.Qd2 (11.Qh5 Kd8 12.Nh3 Ne7+–) 11...Nh6 (11...Nc7 12.Qe2+/–) 12.Nf3 d6 (12...Ng4 13.Bd4+/–) 13.Bd4 (13.0–0 Ng4 14.a4 Qc7 15.Bb5 Bd7+–) 13...Bd4 (13...Bg4 14.c3+/–) 14.Qd4 Qd4 15.Nd4 Ng4 (15...Bd7 16.Nc3+/–) 16.0–0 (16.Nc3 Nc7+–) 16...Ne5 17.Bd5 Nc7 (17...Nc5 18.f4 Ng6 19.Nc3+/–) 18.Bb3 (18.Nc3 Nd5 19.Nd5 Ra4+–) 18...Bd7 (18...Ke7 19.Nc3+/–) 19.Nc3 Ke7 20.Nd5 (20.Rfd1 Rhc8+/–) 20...Nd5 21.Bd5 Bc6 (21...Ra4 22.Rfd1+/–) 22.Nc6 (better is 22.Bc6!? bc6 23.Rfb1+–) 22...bc6+/– 23.Bb3 Ra7 (23...Ra5 24.Rfd1+/–) 24.f4 (24.Rfb1 Rha8+=) 24...Nd7 25.Kf2 (25.Rf3!?+/–) 25...Rha8= 26.a4 Nc5 27.Kf3 (better is 27.Ke3=) 27...g5 (better is 27...Na4!? 28.Ke3 Nc5 29.Ra7 Ra7=) 28.fg5+/– fg5 29.Rfe1 (29.Ke3 Nb3 30.cb3 Rb8+/–) 29...Na6? (better is 29...h5!?=) 30.Ra3 (30.e5 Nc5+/–) 30...Nb4 (30...Nc5 31.Ke3+/–) 31.Ke3 d5 (31...Na6 32.Rf1+/–) 32.ed5 (32.c3 Na6 33.ed5 Nc5 34.dc6 Nb3 35.Rb3 Kd6+–) 32...cd5? (32...Nd5 33.Kd4 Kd6 34.g3+/–) 33.Kd4?? (better is 33.c3 Nc6 34.Rd1+–) 33...Kd6+/– 34.c3 (34.Rd1 Nc6 35.Kd3 Re8+=) 34...Nc6+= 35.Kd3 Na5 (35...Ne5 36.Kc2 Rf7+=) 36.Rb1 (36.Bc2!?+=) 36...Nb3= 37.Rbb3 (37.Rab3 Ra4 38.Rb6 Ke5 39.Re1 Re4 40.Re4 de4 41.Ke3 Rc8 42.Rb5 Kf6 43.Ke4 Rc3 44.Rb6 Kf7=) 37...Ra4 38.Ra4 (38.Rb6 Ke5 39.Ra4 Ra4=) 38...Ra4 39.Rb4 (39.Rb6 Kc5 40.Rh6 Ra2=) 39...Ra2 40.Rg4 h6 41.h4 gh4 42.Rh4 Rg2 43.Rh6 Kc5 ½–½. Kowalski,Lukasz – Scibior,Adam, POL–ch U10 Kolobrzeg, 2001.

5.ba6 Na6 6.e4 d5 7.ed5 Qd5 8.c4 (8.Nc3 Qe6=) 8...Qe4+= 9.Qe2 Qe2 10.Be2 Bd6 11.Nc3 Bf5 12.Nb5 Rd8 13.Bf3 e4 14.Be2 Bf4 15.Rd1 Nh6 16.g3 Bb8 17.f3 Nc7 18.d4? (better is 18.Nc3 ef3 19.Nf3=) 18...ed3–+ 19.g4 Bg6 (19...de2?! 20.Rd8 Kd8 21.gf5–+) 20.Bf1 (20.g5 Ng8 (20...de2?! 21.Rd8 Kd8 22.gh6+=; 20...fg5?! 21.Bg7 Nb5 22.cb5–+) 21.Bf1 Nb5 22.cb5 Bf4–+ (22...fg5 23.Bg7 Bf4 24.Kf2+=)) 20...Nb5 21.cb5 0–0 (21...Ng4 22.fg4 Be4 23.Bd3 Bh1 24.h3–+) 22.Nh3 Rfe8 23.Kf2 d2 (better is 23...c4–+) 24.Bc4 Kf8 25.Bc3 Bd3 (25...Be5 26.Ba5 Rd4 27.Be2–+) 26.Bd3 Rd3 27.Bd2 Ng4! 28.fg4 Rh3 29.a4 b6 (29...Re4!? 30.a5–+) 30.a5–/+ Ba7 (30...ba5 31.Ba5 Rb3 32.Rb1 Rb1 33.Rb1 Bh2 34.Rh1–/+) 31.a6 Rb3 (31...Bb8 32.Rc1+=) 32.Bf4 (32.Rb1 Rd3 33.Rb2 Re4+=) 32...Rb5 33.Rd7 Ra8 (33...Rb2 34.Kf3 Rb3 35.Kf2 Bb8 36.Bb8 Rb8=) 34.Rhd1?? (34.Bd6 Kg8 35.Re1 Rb2 36.Kf1+/–) 34...Ra5–/+ 35.Rd8 (35.Bd6 Kg8 36.Re1 Ra6 37.Ree7 Ra2 38.Ke3 Ra3 39.Kd2+/–) 35...Rd8–+ 36.Rd8 Ke7 37.Rh8? (37.Ra8 Ra6 38.Bb8 Kd7–+) 37...h6 (37...Ra6 38.Rh7 Kf7 39.Rh8–+) 38.h4? White intends g5 (better is 38.Bh6 b5 39.Bg7 Ra6 40.Bf8 Kf7 41.Ke2–+) 38...Ra6 39.Ra8 Ra5 40.g5 (40.Be3 Ke6–+) 40...hg5 41.hg5 c4 42.gf6 gf6 43.Be3 Kd7 44.Bb6 Bb6 (44...Bb6 45.Ke2 Ra8–+) 0–1. Browne,Norman – Ricks,Breon, Detroit op1, 2003.

5.ba6 Na6 6.e4 Ne7!? =.

5.c4 d5 6.Qc2 Qd7 (6...ab5 7.cb5 Be6 8.e4+=) 7.a4 (7.cd5!? ab5 8.e4=) 7...ab5+= 8.ab5 Ra1 9.Ba1 d4 10.e3 Qf5 11.Bd3 Qg5 12.Be4 f5 13.Bd5 Nf6 Black plans e4 14.g3 (14.Nf3 Qg2 15.Rg1 Qh3 16.Bf7 Ke7+=) 14...de3 (better is 14...Nd5!? 15.cd5 Qd8–/+) 15.de3+= e4 (15...Nd5 16.cd5 Qd8 17.e4+= (17.Be5? Qd5 18.Bg7 Qh1 19.Bh8 Qg1 20.Ke2 Qh2–+)) 16.Qd2 (16.Bf6 Qf6 17.f3 ef3 18.Nf3 Qe7+=) 16...Nbd7 17.Qa5 (17.f4!? Qg6 18.Bf6 Nf6 19.Nc3=) 17...Nd5–/+ 18.cd5 Qd8 19.Qd8 Kd8 20.Nh3 Nb6 21.Ng5 Ke7 22.Nc3 h6 23.Nh3 Kd6 24.Nf4 Rg8 25.h4 g5 26.Nh5 Be7 (26...Nd5? 27.Nd5 Be6 28.Nhf6 Bd5 29.Ng8+–) 27.g4? (27.hg5 Bg5 28.Nf4 Bf4 29.ef4 Rg6–/+ (29...Nd5?! 30.Na4=)) 27...Nd5 (27...gh4!? 28.gf5 Bf5 29.Nf4–+) 28.gf5 Bf5 (better is 28...Nc3!? 29.f6 Nb5 30.fe7 Ke7 31.hg5 hg5–/+) 29.Ng3+= Bh7 (29...Bg6 30.Nge4 Ke5 31.hg5 Be4 32.Ne4 Ke4 33.gh6+=) 30.Nce4 (better is 30.hg5!? Nc3 31.Rh6 Bg6 32.Nf5 Kd7 33.Ne7 Ke7 34.Bc3+=) 30...Be4= 31.Ne4 Kc7 32.Ke2 (better is 32.hg5!? hg5 33.Rh6=) 32...gh4–/+ 33.Rd1 Nb4 (better is 33...Rd8!?–/+) 34.Be5= Kb6 35.Rd7 Bg5 (better is 35...Re8 36.Nc3 Bf8=) 36.Ng5?? (better is 36.Nd6 Nd5 37.f4+/–) 36...hg5–+ (36...Rg5?! 37.Bf6 Rh5 38.Bd8 Kb5 39.Rb7 Kc4 40.Rg7–/+) 37.Rh7 Kb5 38.Rb7 Ka4 (38...Kc4 39.f3–+) 39.Rh7 Kb3 (better is 39...c4!?–+) 40.f4–/+ gf4 41.ef4 Rg4 42.f5?? (better is 42.Kf3 Rg3 43.Ke4+=) 42...Re4–+ 43.Kd2 (43.Kf3 Re5 44.Kf4 Nd3 45.Kg4 Re4 46.Kg5–+) 43...Re5 44.f6 Rf5 (better is 44...c4 45.Rc7 h3 46.f7–+) 45.f7 h3! 46.Rh3 Ka4 (46...Kc4 47.Rh4 Kb5 48.Rh7–+) 47.Rh7?? (better is 47.Rh5 Rf7 48.Rc5 Rd7 49.Ke3–/+) 47...c4 (better is 47...Kb5–+) 48.Kc1 0–1. Vaskovets,Aksiniia – Mocanu,Paula, Wch U08 girls, 2012.

5.e4 d5 6.ed5 Qd5 =.

4.b5 b6

5.c4 d6 6.e3 Be6 7.Nf3 Nh6 8.d3 Be7 9.Be2 0–0 10.0–0 Qc7 (10...a6 11.Nc3=) 11.h3 (11.Nfd2 a6+=) 11...Nd7 12.Nfd2 Nf5 (12...f5!?+=) 13.Bf3+/– Rab8 14.a4 (14.Nc3 Rbe8+/–) 14...Nh4 15.Bg4 (15.Bc6!?+/–) 15...f5= 16.Bf3 Nf3 17.Nf3 e4 18.de4 fe4 (18...Bc4!? 19.ef5 Bf1 20.Kf1 Rf5–/+) 19.Nfd2= d5 (19...Bf6!? 20.Bf6 Nf6=) 20.cd5+/– Bd5 21.Qg4 (21.Nc3 Be6+/–) 21...Bf6 (21...Nf6 22.Qe2+=) 22.Bf6 (22.Nc3 Bc3 23.Bc3 Ne5=) 22...Nf6+= (worse is 22...Rf6 23.Nc3 Be6 24.Qe4+/–) 23.Qe2 Qe5 24.Na3 Nd7 25.Nac4 Bc4 (better is 25...Qe6!?=) 26.Qc4+/– Kh8 27.Ne4 Rbd8 28.Rad1 Nf6 29.Nf6 Qf6 30.Qf4 (30.Rd8!? Rd8 31.Qe4+/–) 30...Qf4+= 31.ef4 Kg8 32.g3 h5 33.Kg2 Rd4? (33...Kf7!?+=) 34.Rd4+/– cd4 35.Rd1 Rd8 36.Rd3 Kf7 37.Kf3 Ke6 38.Ke4 Rd5 39.Rd4 Rc5 40.f3 g6 41.g4 h4 (41...Rc1 42.f5 gf5 43.gf5 Kf6 44.Rd6 Ke7 45.Rc6 Re1 46.Kf4+–) 42.f5! gf5 43.gf5 Rf5 (43...Ke7+–) 44.Rd6! Kd6 45.Kf5 Kc5 46.Ke5 Kb4 47.Kd4 Ka4 48.Kc4 Ka5 49.f4 a6 50.ba6 Ka6 51.f5 Ka5 52.f6 b5 53.Kb3 b4 54.f7 Kb5 55.f8Q 1–0. Hal1958 – Bolluyt, playchess.de, 2004.

5.e3 Bb7 6.Nf3 Nh6 7.d3 Bd6 (7...a6 8.ba6 Na6 9.Be2=) 8.Be2 Qc7 (8...0–0 9.Nc3=) 9.h3 (9.c4 a6+=) 9...g5 (9...a6!?=) 10.Nc3 (10.e4+/–) 10...g4 (better is 10...a6!?+=) 11.hg4+– Ng4 (better is 11...Nf7+–) 12.Qd2 (12.Nd2!? Bg2 13.Rg1 Nf2 14.Bh5 Kd8+–) 12...a6 (12...Bf8 13.e4+/–) 13.e4 ab5? (better is 13...Bf8+/–) 14.Nb5 Qc6 15.Nd6 Qd6 16.Nh4 h5 (16...Be4 17.Bg4 (17.de4?! Qd2 18.Kd2 Nf2+/–) 17...Bd5 18.Nf5+–) 17.Nf5 Qf8 18.Bg4 (better is 18.Bc1+–) 18...hg4+/– 19.Rh8 Qh8 20.Nd6 Ke7 21.Nb7 Qh1? (21...Ra7 22.Nc5 bc5 23.Qe3+/–) 22.Ke2+– Qg2 23.Qe3 (23.Qh6 Qf3 24.Kd2 Nc6+/–) 23...Nc6 24.Nc5 Nd4 25.Bd4 (25.Qd4 ed4) 25...ed4 26.Qd4 Threatening mate... how? 26...bc5 (26...Qf3 27.Kd2 Qf4 28.Ke1 bc5 29.Qc5 Ke8 30.Qh5 Ke7 31.a4+–) 27.Qc5 d6 (27...Ke8 28.Qf5 Ke7 29.Rb1+–) 28.Qc7 (28.Qf5 Rb8+–) 28...Ke6 29.Qc4 Ke7 30.Rb1?? (better is 30.Qd4+–) 30...Kf8?? (better is 30...Qf3 31.Kd2 Qf2 32.Kc3 Ra3 33.Kb2 Ra7=) 31.Rb7+– Qf3 32.Ke1 (32.Kd2 Qf2 33.Kc1 Qg1 34.Kb2 Qb6 35.Rb6 Kg7 36.Qc7 Kh6 37.Qd6 Rf8 38.Qf8 Kh5 39.Qh8 Kg5 40.Qf6 Kh5 41.Rb5) 32...Qh1 33.Kd2 Qh6 34.Ke2 Qg6 35.Qe6 Re8 (35...d5 36.Qd5 Re8 37.Qd6 Kg8 38.Rb8 Rb8 39.Qb8 Kf7 40.Qc7 Ke8 41.Qc6 Kd8 42.d4+–) 36.Qd6 Kg8 37.Qd5 (better is 37.Rb8!? Rb8 38.Qb8 Kf7 39.Qc7 Ke8 40.Qc6 Kd8+–) 37...Kf8 38.Qc5 Kg8 39.a4 g3 (39...f5 40.Kf1+–) 40.fg3 (40.Qd5 Kh8 41.fg3 f5+–) 40...Qg4 (40...f5 41.Qd5 Kh8 42.Qf7 Qf7 43.Rf7 fe4 44.a5+–) 41.Kd2 Qg5 (41...Qg6+–) 42.Kc3 (better is 42.Qg5 fg5 43.Rb5+–) 42...Qc5–+ 43.Kd2 (43.Kb3–+) 43...Qc2 (43...f5 44.c3 fe4 45.de4 Qf2 46.Kc1 Re4 47.Rb8 Kf7 48.Rb7 Ke6 49.Rb6 Kd7 50.Rb7 Kc8 51.Rb8 Kb8 52.a5 Re1) 44.Kc2+– Rc8 45.Kd2 Ra8 (45...Ra8 46.Rb4 Kf8+–). revbodio (1825) – kilmer, Live Game Caissa's Web, 2007.

5.e4+= Bb7 6.Nc3 Ne7 7.Bc4 a6 8.Nf3 (8.Qh5 Ng6+=) 8...ab5= 9.Bb5 Ba6 (9...Nbc6 10.Bc4+=) 10.Ba6 Na6 11.d3 d6 12.0–0 g6 13.Qe2 Bg7 14.Rfb1 0–0 15.Bc1 Nb8 (15...f5 16.Bg5 Bf6 17.Be3+=) 16.Rb3 Nd7 17.Bb2 (17.Rab1 f5+=) 17...Qc7 (17...f5 18.Rb1=) 18.Nb5 Qc6 19.c4 f5 20.Rb1 Nf6 21.Ng5 fe4 (21...Qd7 22.Qf3+=) 22.de4 Nh5 (22...Qd7 23.Rd3 Ne8 24.Qd2+/–) 23.Qd3+/– Rf6 24.Nh3 Nc8 25.Nc7 Ra4 26.Nd5 Rf7 27.Ng5 (27.Rb5 Nf6+/–) 27...Rfa7 (27...Nf4 28.Qd2 Rf8 29.Nf4 Rf4=) 28.Ne6+/– Bh6 29.Bc1 (29.Nd8 Qd7 30.Nb6 Nb6 31.Rb6 Qd8 32.Be5 A) 32...Ra3 33.Qd5 Rf7 34.Rb8 (34.Bd6 Qb6 35.Qf7 Kf7–+; 34.Qd6 Qd6 35.Bd6 Ra4=; 34.Rd6?! Qe7+=) 34...Qb8 35.Rb8 Bf8 36.Rb7 Ra1 37.Ba1 Be7 38.Re7 Nf6 39.Qf7 Kh8 40.Bf6; B) 32...Bf8+/–) 29...Bc1 30.Rc1 Ng7 31.Qh3 (31…Ne6 32.Qe6 Kg7 33.Qf6 Kg8 34.Qd8 Kg7 35.Rf3+–) 1–0. Behrmann,Klaus – Lynch,John, compuserve, 1996.

4.b5 d5

5.Nc3 d4+= 6.Ne4 (6.Na2+=) 6...Bf5 (6...f5!? 7.Ng3 f4–/+) 7.Ng3= Bg6 (7...Be6 8.e3=) 8.Nf3 (8.e3 Ne7+=) 8...Bd6 (8...Nd7 9.e3+=) 9.Nh4 +/–. marre – tcuw, internet, 2010.

5.c4 Ne7 6.Qc2 (6.cd5 Nd5 7.Qc2 a6 8.e4 Nf4 9.g3+=; 6.e3 Be6 7.Qc2 a6 8.Nf3 Qd7 9.cd5+=; 6.Nf3 e4 7.Ng1 dc4 8.Qc2 Bf5 9.e3+=; 6.Qa4 Be6 7.cd5 Nd5 8.Nc3 Nb6 9.Qc2+=) 6...Bf5 7.d3 Be6 8.e4 d4 9.Be2 +=.

5.e3 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 c5 5.b5).

5.h3 Bd7 6.e3 (6.e4 de4 7.Nc3 a6 8.ba6 Na6 9.Ne4 Bc6 10.Qh5 g6 11.Qe2 Bg7 12.Nf3) 6...e4?? (6...Ne7 7.f4 (7.Nc3 Be6 8.Be2 Kf7 9.Nf3 e4 10.Nh2 Nd7 11.0–0 f5 12.f3; 7.Nf3 Be6 8.Nc3 e4 9.Nh2 Nd7 10.Be2 Ng6 11.0–0 Bd6 12.d3; 7.Be2 a6 8.Nc3 ab5 9.Nb5 Kf7 10.c4 Nbc6 11.Nf3 Na5 12.cd5) 7...Nf5 (7...ef4 8.ef4 Nf5 9.Qh5 g6 10.Qf3 Be6 11.Bd3 Nd7 12.Ne2) 8.Qh5 g6 9.Qf3+= e4 10.Qf2 Bg7 11.Nc3 a6 12.Nd5; 6...Be6 7.Nc3 (7.Nf3 e4 8.Nh2 Bd6 9.d3 ed3 10.Bd3 Ne7 11.0–0 0–0 12.Nf3; 7.Be2 Nd7 8.Bh5 g6 9.Bg4 Bf7 10.Be2 Bd6 11.Nf3 Ne7 12.0–0) 7...Nd7 8.Be2 Bd6 9.Nf3 e4 10.Nh4 f5 11.Nd5 Qh4 12.Bg7; 6...Bd6 7.c4 (7.e4 de4 8.Nc3 f5 9.Bc4 a6 10.a4 Qg5 11.Kf1 Nf6 12.d3) 7...d4 8.Nf3 Qe7 9.d3 Nh6 10.ed4 cd4 11.Nbd2 0–0 12.Ne4; 6...a6 7.Qf3 (7.a4 ab5 8.Bb5 Bb5 9.ab5 Ra1 10.Ba1 Nd7 11.Nc3 d4 12.Ne4; 7.Nf3 Bd6 8.c4 d4 9.Bd3 Ne7 10.0–0 0–0 11.ed4 ed4 12.Qc2) 7...Ne7 8.Nc3 Be6 9.Nge2 ab5 10.Ng3 c4 11.Nb5 Na6 12.Be2; 6...Kf7 7.d4 cd4 8.ed4 Be6 9.de5 Nd7 10.Nf3 fe5 11.Be5 Ngf6 12.Bd3) 7.f4?? (7.Qh5 Ke7 8.Qd5 Qc7+–) 7...c4?? (7...Be6 8.Ne2+=) 8.a4?? (better is 8.Qh5 Ke7 9.Qd5+–) 8...b6?? (8...Be6 9.Ne2=) 9.Nc3 (9.Qh5 g6 10.Qd5 Bc6 11.Qd8 Kd8 12.bc6 Nc6 13.Bc4 Nb4+–) 9...Bb4?? (better is 9...Be6=) 10.Nd5 (10.Qh5 g6 11.Qd5 Bc3 12.Bc3+– (12.Qa8?! Bb2 13.Rd1 c3=; worse is 12.dc3 Bc6 13.Qd8 Kd8+–)) 10...Bc5 11.c3 (11.Bc4 Bf5+–) 11...Be6 (11...Bb5!? 12.ab5 Qd5+/–) 12.Bc4+– Bd5?? (better is 12...Kf7 13.d3 ed3 14.Qd3 Nh6+–) 13.Be2 (better is 13.Qh5 Kf8 14.Qd5 (14.Bd5?! g6+=) 14...Qd5 15.Bd5+–) 13...Ne7 14.Bh5 Kd7 (14...g6 15.c4 Bc4 16.Bf6–+) 15.Qc2 g6 16.Bg4 f5 17.Be2 Qg8?? (17...Rg8 18.c4 Bb7 19.Rd1–+) 18.Bf1?? (18.c4 g5 19.cd5 gf4 20.Kf1+/– (20.ef4?? Qg3 21.Kd1 Qg2 22.Bh8 Qh1–+; 20.Bh8 Qg2 21.Qb3 Qh1–/+)) 18...h5 (better is 18...Bb3 19.Qb1 Qe6–+) 19.c4+= Be6 20.Bh8 Qh8 21.Rb1 Kd8 22.d4 Bb4?? (better is 22...ed3 23.Qd3 Ke8=) 23.Rb4+– a6 24.Qd2 (24.ba6 Nc8+–) 24...ab5 25.ab5 (25.cb5?! Nd5+–) 25...Ra1 26.Kf2 Ke8 27.d5 Bf7 28.d6 (better is 28.Ne2 Qf6+–) 28...Nc8 29.d7! Nd7 30.Ne2 Ra3 31.Qc1 (31.Nd4 Qf6+–) 31...Ra2 32.Qb1 Rd2 33.Qc1 Rd3?? (better is 33...Ra2=) 34.Ra4 Nc5 35.Ra8 Ke7 36.g3 (36.Nd4 Rd4 37.ed4 Qd4 38.Qe3 Qe3 39.Ke3 Nd6+–) 36...Nb3 37.Qc2 Qd8 38.Nd4 (better is 38.Qb2 Qc7 39.Qe5 Qe5 40.fe5+–) 38...Rd2?? (38...Nd4 39.Qb2 Nc2 40.Qe5 Be6 41.Bd3 Qd3 42.Qc7 Kf6 43.Qe5 Kf7 44.Qc7 Ne7–+) 39.Qd2!+– Nd2 40.Nc6 (40.Nc6 Kd7 41.Nd8 Kd8 42.c5 bc5 43.Be2+–) 1–0. Pekin Dragons – Eries, ChessWorld.net, 2011.

5.h3 Nd7 A) 6.Nc3 Nb6 (6...d4 7.Nd5 Ne7 8.Ne7 Be7 9.e4 Nb6 10.Be2 Be6 11.Nf3 Nc4 12.Bc4) 7.e3 d4 8.Ne4 Na4 9.Bc1 de3 10.fe3 f5 11.Nf2 e4 12.Ne2; B) 6.e3 Bd6 (6...Nb6 7.a4 Bd6 8.a5 Nd7 9.c4 d4 10.Bd3 Ne7 11.Nf3 f5 12.Be2) 7.c4 d4 8.Bd3 Ne7 9.Nf3 f5 10.Ng5 Nf6 11.ed4 cd4 12.Be2; C) 6.e4 C1) 6...Ne7 7.a4 (7.Qh5 g6 8.Qf3 Bg7 9.ed5 Nb6 10.c4 Nf5 11.a4 e4 12.Qe4) 7...de4 8.Nc3 f5 9.Bc4 Nb6 10.Ba2 Qd6 11.Qh5 g6 12.Ne4; C2) 6...Nb6 7.ed5 Nd5 8.Nc3 Nge7 9.Bc4 Nc3 10.dc3 Qd1 11.Rd1 Bf5 12.Rd2.

5.h3 Be6 A) 6.Nc3 d4 (6...Nd7 7.e4 d4 8.Nd5 Nb6 9.Nb6 ab6 10.Be2 Ne7 11.a4 Kf7 12.Bg4; 6...Ne7 7.e3 Nd7 8.Nge2 Nf5 9.e4 de4 10.Ne4 Nb6 11.N2c3 Nd4 12.a4) 7.Ne4 f5 8.Ng3 f4 9.Ne4 Nf6 10.Ng5 Bd5 11.c4 Bc4 12.N1f3; B) 6.e3 Nd7 (6...Bd6 7.c4 d4 8.Bd3 Ne7 9.Nf3 0–0 10.0–0 Nd7 11.a4 Ng6 12.Be4) 7.Nc3 (7.Be2 Bd6 8.Nc3 Ne7 9.d3 f5 10.Nf3 d4 11.ed4 cd4 12.Na2; 7.Nf3 e4 8.Ng1 Bd6 9.d3 Be5 10.Be5 fe5 11.de4 de4 12.Nc3; 7.c4 dc4 8.a4 Ne7 9.Na3 Nb6 10.Nf3 c3 11.Bc3 e4 12.Nh2; 7.Ne2 Nb6 8.Ng3 Na4 9.Qc1 d4 10.Be2 Kf7 11.0–0 Ne7 12.c3) 7...Bd6 8.Nge2 Ne7 9.Ng3 0–0 10.Be2 e4 11.0–0 Qc7 12.Nh5.

5.h3 Ne7 A) 6.Nc3 Be6 7.e3 (7.a4 Kf7 8.d3 Nd7 9.Nf3 d4 10.Ne4 Nf5 11.Nfd2 Qa5 12.g4) 7...Nd7 8.Be2 Nf5 9.Bg4 Nb6 10.Nf3 Nc4 11.Bc1 h5 12.Bf5; B) 6.Nf3 e4 (6...Be6 7.Nh4 Nd7 8.Nc3 g5 9.Nf3 e4 10.Ng5 fg5 11.Ne4 de4 12.Bh8) 7.Nh2 (7.Nh4 g5 8.Bf6 Rg8 9.e3 gh4 10.Qh5 Rg6 11.Nc3 Be6 12.Bg5) 7...Be6 8.Nc3 Nd7 9.e3 Qc7 10.Be2 Ng6 11.d3 0–0–0 12.0–0; C) 6.e3 C1) 6...Kf7 7.Nc3 (7.Ne2 Be6 8.Nbc3 Nd7 9.Ng3 f5 10.Be2 Nb6 11.Qc1 d4 12.Nd1) 7...Be6 8.Nge2 f5 9.Ng3 Nd7 10.Be2 Nb6 11.d4 cd4 12.ed4; C2) 6...Nd7 7.Nc3 (7.a4 e4 8.d3 Ne5 9.de4 de4 10.Qd8 Kd8 11.Nc3 Bf5 12.0–0–0) 7...Kf7 8.Nge2 c4 9.Ng3 Nc5 10.e4 Be6 11.ed5 Nd5 12.Bc4; C3) 6...Be6 7.Nc3 Nd7 8.Nge2 Nf5 9.g4 Nh4 10.Ng3 e4 11.Be2 Ne5 12.Nh5.

5.h3 Kf7 A) 6.e4 A1) 6...Ne7 7.Nc3 (7.ed5 Nd5 8.Bc4 Be6 9.Qf3 Be7 10.Ne2 Qd7 11.Nbc3 Nc3 12.Be6) 7...Be6 8.ed5 Nd5 9.Bc4 Nf4 10.Be6 Ne6 11.Nf3 a6 12.a4; A2) 6...de4 7.Bc4 Be6 8.Qh5 g6 9.Qe2 Ne7 10.Be6 Ke6 11.Qe4 Qd5 12.Qg4; B) 6.Nc3 Be6 7.e3 (7.d3 Nd7 8.Nf3 Bd6 9.e3 Be7 10.Qd2 d4 11.Ne4 f5 12.Ng3; 7.h4 Nd7 8.e3 Nh6 9.Nh3 Nb6 10.a4 Nf5 11.a5 d4 12.ab6; 7.a4 Nd7 8.e3 Nh6 9.a5 Nf5 10.a6 b6 11.Nge2 Be7 12.Ng3; 7.e4 d4 8.Na4 Nd7 9.c3 Ne7 10.Nf3 Ng6 11.h4 h5 12.g3) 7...Nh6 8.Nf3 Nd7 9.Be2 e4 10.Nh2 f5 11.0–0 Bd6 12.d4; C) 6.e3 C1) 6...Be6 7.Ne2 (7.Nc3 Nh6 8.Nf3 Nd7 9.Be2 e4 10.Nh2 f5 11.0–0 Bd6 12.d4; 7.Nf3 Nd7 8.Nc3 Nh6 9.Be2 e4 10.Nh2 f5 11.0–0 Bd6 12.d4; 7.c4 Ne7 8.Nc3 Nd7 9.cd5 Nd5 10.Bd3 Be7 11.Qc2 Nc3 12.dc3) 7...Nd7 8.Ng3 f5 9.c4 dc4 10.Qc2 Nb6 11.Nf5 Ne7 12.Nh4; C2) 6...Nh6 7.e4 Be6 8.ed5 Bd5 9.Nc3 Nf5 10.Nf3 Be6 11.Bd3 a6 12.a4; C3) 6...Nd7 7.Nf3 (7.Nc3 Ne7 8.Nge2 c4 9.Ng3 Nc5 10.e4 Be6 11.ed5 Nd5 12.Bc4) 7...Ne7 8.Nh4 e4 9.f4 ef3 10.Qf3 g5 11.Qh5 Kg8 12.Nf3; C4) 6...Bd6 7.Nc3 (7.Nf3 Ne7 8.c4 h5 9.cd5 e4 10.Nh4 g5 11.Nc3 f5 12.d4) 7...Ne7 8.Nge2 Be6 9.Ng3 Nd7 10.Be2 f5 11.0–0 Nb6 12.Na2; C5) 6...Ne7 7.Nc3 (7.Ne2 Be6 8.Ng3 Nd7 9.Bd3 c4 10.Be2 a6 11.0–0 ab5 12.Nc3) 7...Be6 8.Nge2 Nd7 9.Ng3 f5 10.Be2 Nb6 11.d4 cd4 12.ed4.

5.c4 d4

6.Qc2 f5 7.e3 Nf6 8.Be2 Bd6 9.Nh3 +=.

6.d3 a6 7.ba6 Ra6 (7...Na6 8.e3 Ne7 9.Be2+=) 8.g3 (8.e4 Bd6 9.Nd2+=) 8...Bd7 (8...f5 9.Bg2+=) 9.Bg2 Ba4 10.Qc1 Nc6 11.Nh3 f5 12.e4 fe4 13.Be4 Nf6 14.Bg2 e4 15.de4 Qa5 16.Qd2 Qb6 17.0–0 (17.Bc1 Na5 18.Qf4 Nb3+=) 17...Ne5 (17...Na5!? 18.Rc1 Nb3–/+) 18.Bc1+= Nc4 19.Qg5 h6 20.Qg6. Chatterjee – Steuer, email 4AMM–F, 1998.

6.d3 Bd6 7.Nf3 Ne7 8.e3 a6 9.ba6 +=.

6.e3 b6?? 7.ed4 (better is 7.Qf3 Nc6 8.Qc6 Bd7 9.Qb7+–) 7...ed4= (7...cd4? 8.Qf3 e4 9.Qe4 Qe7 10.Qe7 Ne7 11.Nf3+–) 8.Qf3 (8.Qe2 Qe7=) 8...Qe7 9.Be2? (9.Ne2 Bb7 10.Qb3 a6=) 9...Bb7+= 10.Qh3? (better is 10.Qh5 g6 11.Qh3+=) 10...d3!–+ 11.Qd3 Theme: Deflection from g2 (11.Nc3 de2 12.Nge2–+) 11...Bg2 12.Nf3 (12.Nc3 Bh1 13.Nd5 Qd6–+) 12...Bh1 13.Qd5 Bf3 14.Qf3 Qc7 15.Qa8 (15.Qe4 Kd8 16.Qa8 Qh2 17.Qa7 Qh1 18.Bf1 Nd7=) 15...Bd6 16.Nc3 Ne7 17.0–0–0 (17.Bh5 Kd8+=) 17...0–0= 18.h4 (better is 18.Bd3!?=) 18...Nbc6 19.Nd5 (19.Qc6 Nc6) 19...Ra8 20.Nc7 Bc7 21.bc6 (21.Bf3 Re8 22.bc6 Nf5=) 21...Rc8 (21...Rd8 22.Bf3=) 22.Bf3 (22.Bg4 Rd8 23.Bd7 Ng6+=) 22...Bf4 23.Rg1 Kf7 (23...Kf8 24.Rg4 Be5 25.Be5 fe5 26.Rg5=) 24.Bd5+= Kf8 (24...Nd5 25.cd5 Rd8 26.Rg4–/+) 25.Rg4 Bd6 (25...Bh6!?=) 26.h5+= Rc7 27.h6 Ng6?? (27...Nf5 28.hg7 Rg7 29.Rg7 Kg7 30.Kc2+=) 28.hg7 (28.Rg6 hg6 29.h7+–) 28...Kg7+= 29.Re4 (29.Kc2 h5 30.Rg5 Be5 31.Be5 fe5+–) 29...Ne5 (29...Be5!?=) 30.Kc2+= a6 31.f4 White fights for the Initiative 31...Ng4 (31...Ng6 32.Re6 Bf4 33.Bf6 Kf8 34.Bd8+–) 32.Re6 Be7 33.Bf3 h5 34.d4 (better is 34.Kd3+/–) 34...Nh6?? (34...cd4 35.Bd4 Ba3 36.Bb6 Rc8+=) 35.Bh5+– Nf5 36.d5 b5 (36...Nd4 37.Bd4 cd4 38.d6 Bd6 39.Rd6+–) 37.Bg4 (37.Kd3 Nd4 38.Bd4 cd4 39.cb5 ab5+–) 37...Nd4 38.Bd4 cd4 39.Re7! (39.Re7 Re7 40.d6+/–) 1–0. Staffeldt,Sven – Brunner,Karg, NED–ch U20 Hengelo, 1994.

6.e3 de3!? 7.fe3 a6 =+.

6.e3 de3 7.fe3 Nh6 8.Nc3 a6 9.Nf3 =.

6.e4 de3 7.fe3 Nh6 8.Nc3 Bd6 9.Nf3 =.

4.c3 d5

5.bc5 Bc5+= 6.d4 Bb6 7.e3 Nc6 8.Bb5 Nge7 9.h3 (9.de5!? fe5 10.Qh5 Ng6 11.Nf3=) 9...0–0–/+ 10.Ne2 (10.Qh5 a6 11.Be2 Bf5–/+) 10...Be6 (10...a6 11.Bd3–/+) 11.0–0 Qc7 (11...Bc7 12.Qb3–/+) 12.Bd3 (12.Nd2 a6 13.Bd3 Ba5+=) 12...Rae8 (12...Rfc8 13.Qc2 e4 14.Bb5–/+) 13.Ng3 (13.Nd2 Bf5 14.e4 Bg6+=) 13...Bf7 (13...Ng6 14.Qh5–/+) 14.Nd2+= e4 (14...Rc8 15.Qg4+=) 15.Bc2 (15.Bb5 a6 16.Be2 Qd6=) 15...f5 16.Bc1 (16.Ne2 Be6+=) 16...Na5 (16...Ba5 17.Ne2–/+) 17.Bb2 (17.Ne2 Bh5+=) 17...f4–/+ 18.Ne2 (18.ef4 Qf4 19.c4 Bc7–/+) 18...fe3 19.fe3 Bh5 20.Rf8 (20.g4 Rf1 21.Kf1 Rf8 22.Kg2 Bf7–/+) 20...Rf8 21.Qe1 Nc4 (21...Nf5 22.Nc1 Qd6 23.c4+=) 22.Nc4 Qc4 23.Nf4 Bg6 (23...Bf7 24.Qf1 Qc6 25.Qe2–/+) 24.a4 (24.Qh4 Bd8–/+) 24...Rf7 (24...Bf5 25.Ba3 Bd8 26.Rb1+=) 25.Ra3 (25.Qe2 Qe2 26.Ne2 Nf5+=) 25...Bc7–/+ 26.Bb3 Qc6 27.Qh4 Bf4 (27...Nf5 28.Qg5 h6 29.Bd5 hg5 30.Bc6 Ne3 31.Bb7 gf4 32.Bc1–+) 28.ef4 e3 (28...Qd6 29.Bc1–/+) 29.Bd1 (29.Qe1 Qe6–/+) 29...Qb6 (better is 29...Qc7–/+) 30.Rb3? (better is 30.Bb3–/+) 30...e2!–+ 31.Qe1 (31.Be2 A deflection 31...Qb3) 31...ed1Q 32.Qd1 Qc7 33.Bc1 Be4 34.Qe2 (34.Qg4 Ng6–+) 34...Nf5 (better is 34...Nc6 35.Be3 Na5–+) 35.g4 (35.Qf2–+) 35...Nd4! 36.Qb2 (36.cd4 A pinning theme 36...Qc1) 36...Nb3 37.Qb3 Qc5 38.Kf1 a5 39.Ba3 (39.f5 Bd3 40.Kg2 Re7–+) 39...Bd3 40.Ke1 Qe3 41.Kd1 Qf4 42.Qd5 Qa4 43.Kd2–+ Threatening mate: Qd8 43...Bc4 44.Qd8 1–0. Borup,John – Richard,Peter, IECG, 2002.

5.d4 ed4 6.bc5= Qa5 7.Nd2 dc3 8.Nb3 Qc7 =.

5.e3 Be6 6.Be2 (6.d4 ed4 7.ed4 c4=) 6...Nd7 (6...Bd6 7.d4 c4 8.Nf3+=) 7.d4 cd4 (7...c4 8.de5 fe5 9.Nf3+=) 8.cd4= Bd6 9.de5 (9.Nc3 Rc8=) 9...fe5 10.Nf3 Ngf6 11.0–0 (11.Nc3 0–0=) 11...0–0 12.Bb5 (12.Nc3 Rc8=) 12...Bg4 (12...a5 13.Nbd2 ab4 14.ab4–/+) 13.Be2 (13.h3 Bf3 14.Qf3 a5+=) 13...Rc8= 14.Nbd2 (14.Nc3 e4 15.Nd4 Be2 16.Qe2 Qe8=) 14...Kh8 (14...Bf5 15.Rc1+=) 15.h3 Bh5 16.Rc1 (16.Qa4 e4 17.Nd4 Be2 18.Ne2 a6+=) 16...Qe7 17.Re1 (17.Rc3 Rc3 18.Bc3 Rc8+=) 17...Nb6 18.Rc8 Rc8 19.Nf1 Nc4 20.Ba1? Na3–+ 21.Ng3 Bf3 22.Bf3 Nc2 23.Re2 Na1 24.Qa1 e4 25.Bg4 Ng4 26.hg4 Bg3 27.fg3 Qg5 28.Qa7? Rc1 29.Kf2 Qf6 0–1. Queenwomen – kofti, ChessWorld.net, 2005.

4.Nc3 cb4

5.ab4 Bb4 6.Nd5 Bc5 7.e3 a6 (7...d6 8.d4 Bb6 9.Bc4=) 8.d4+= Bd6 (8...ed4 9.Qh5 g6 10.Nf6 Nf6 11.Qc5 de3 12.Qe3 Kf7 13.Bc4 d5 14.Bf6 Qf6 15.Bd5 Kg7 16.Rd1=) 9.Nf3 (9.de5!? fe5 10.Be5 Be5 11.Qh5 Kf8 12.Qe5+/–) 9...ed4 (9...Nc6!?=) 10.Bd4 (worse is 10.ed4 Ne7 11.Ne3 Qc7+=) 10...b6?? (better is 10...Bc7+=) 11.Bb6+– Bb4 12.Nd2 (12.Nb4?! Qb6 13.Nd5 Qd6+/–) 12...Bc3 (12...Bb7 13.Bd8 (13.Nb4?! Qb6 14.Rb1 Qc5+=) 13...Bd5 14.Qg4 Bd2 15.Kd2+–) 13.Bd8 (13.Nc3?! Qb6 14.Nc4 Qc6+–) 13...Ba1 14.Qa1 Nc6 (14...Bb7 15.Nc7 Kd8 16.Na8+–) 15.Qa3 (15.Bf6!? Nf6 16.Nc7 Kd8 17.Na8 Bb7+–) 15...Kd8 (15...Rb8 16.Bc7 Rb7+–) 16.Qf8 1–0. Creatchy – IrishBouncer, ChessWorld.net, 2005.

5.ab4 Bb4 6.e4 Bc3 7.Bc3 1–0. Hasidume,Shuji (2205) – Secer,Ata, Afroasian ch–10 prel, 2007.

4.bc5 Bc5

5.Nc3 Qb6 6.e3 Ne7 +=.

5.Nc3 Nc6 6.Na4 Bd6 (6...Qa5!? 7.Nc5 Qc5=) 7.e4+= Nge7 8.Bc4 Na5 (8...Qa5 9.Nc3 Qc5 10.d3+=) 9.Ba2+= b5 10.Nc3 Bc5 11.Qh5 (11.Nb5? Qb6 12.a4 Bf2 13.Kf1 Bg1 14.Rg1 a6 15.Qh5 g6–+) 11...g6 12.Qh4 Nc4 The isolani on a3 becomes a target 13.Nb5?? (better is 13.Rb1+=) 13...Nb2–/+ 14.Qf6 Rf8 15.Qe5 Bf2 (better is 15...Qb6 16.Qb2 Bf2 17.Ke2 a6–/+) 16.Ke2= Ba6 17.Qb2 Qb6 18.a4 Bh4 (18...Bd4 19.c3 Bc3 20.Qc3 Qf2 21.Kd3 Qg2 22.Qe5 Qh1 23.Bc4 Bb5 24.ab5–/+) 19.Nh3+/– Qc6 20.Ke3 Bf6 21.c3 (21.d4 Rc8 22.Kd3 Rb8+/–) 21...d5+= 22.Bd5 (22.Qb4!? Qb6 23.Ke2+/–) 22...Nd5= 23.ed5 Qd5 24.d4 (24.Nc7 Kd7 25.Nd5 Rae8 26.Kf2 Bc3 27.Kg3 Bb2–/+) 24...Kd7+= 25.Rhg1?? (better is 25.Rag1+=) 25...Rae8–+ 26.Kd2 (26.Kd3 Qf5 27.Kc4–+) 26...Bg5 27.Kd1 Qc4 28.Ng5 Rf1 29.Rf1 Qf1 30.Kc2 Re2 31.Kb3 Rb2 32.Kb2 Qg2 33.Ka3 (33.Kb3 Qg5 34.Kb4 Qd2–+) 33...Qg5 34.Rb1 Qe7 35.Rb4 (35.Kb3 Bb7 36.a5 Qe2–+) 35...g5 36.Na7 Qd6 37.Nb5 (37.h3 Qc7 38.Nb5 Bb5 39.Rb5 Qc3 40.Rb3 Qd4 41.Rb7 Kc6–+) 37...Qh2 38.Rb2 (38.d5 h5 39.Nd4 g4–+) 38...Qf4 39.Kb4 (39.Rb1–+) 39...g4 40.Ka5 (40.Rb1 g3 41.Rg1 Qf2–+) 40...Bb5 41.ab5 (41.Rb5 g3 42.Rb7 Kc8–+) 41...g3 42.b6 (42.Kb4 Qf1 43.c4 g2 44.Rg2 Qg2–+) 42...Qf8 43.Kb5 g2! 44.Rg2 Qf1 45.c4 Qg2 46.d5 h5 47.Kc5 h4 48.Kb5 h3 49.b7 Qb2 1–0. olsime (1955) – blake507 (1985), gameknot.com, 2014.

5.Nc3 Nc6 6.Na4 Be7 7.e4 d5 8.ed5 Qd5 =.

5.Nc3 d5 =.

5.Nc3 Bf2?? 6.Kf2+– Qe7 (6...d5 7.e3+–) 7.Ke1 Nh6 (7...d6 8.Nd5 Qd7 9.e4+–) 8.e3 (8.e4 d6+–) 8...Nc6 (8...d6 9.Nd5 Qd8 10.Qh5 Nf7 11.e4+–) 9.Bc4 d6 10.Nge2 (10.Nd5 Qd8+–) 10...Be6 11.Bd5 (11.Nd5 Qd7+–) 11...0–0 12.Ng3 Bd5 13.Nd5 Qf7 14.e4 f5 15.Rf1 Qg6 16.Qe2 f4 17.Nh5 Rac8 (17...Rf7 18.Qf3+–) 18.d3 (18.Ndf4 ef4 19.Bg7 Rfe8 20.Rf4 Nf7+–) 18...Ng4 19.h3 Nh2 20.Rg1 (better is 20.Rf2+–) 20...f3= 21.gf3? (21.Qf2 Qh5 22.g4 Qh3 23.Rh1+=) 21...Qg1–+ 22.Kd2 Nf3 23.Kc3 (23.Qf3 Qg5 24.Ndf4–+) 23...Qc5 24.Kb3 Nfd4 25.Bd4 Nd4 26.Ka2 (26.Kb2 Qc2 27.Qc2 Rc2 28.Kb1 Rf1) 26...Qc2 27.Qc2 Rc2 28.Kb1 Rf1# 0–1. Farklempt – Zippy, ICS, 1994.

5.c4?? Qb6–+ (5...Qb6 6.e3 Qb2–+) 0–1. onny555 (1845) – ramon33 (1875), gameknot.com, 2012.

5.c4?? Nc6 6.d3?? Qb6 7.e3 Qb2 8.Nd2 –+.

5.c4?? Nc6 6.d3?? Bd4 7.Nc3?? Qa5?? 8.Qc2 Bc3 9.Bc3 Nd4 10.Qb2+/– Qb6 11.Qb6 ab6 12.Kd2?? Nb3–+ 13.Kc2 Na1 14.Ba1 Ne7 15.Bb2 Nf5 16.e3 0–0 17.g4 Nd6 18.Ne2 b5 19.c5 Nf7 20.Bg2 d6 21.c6 bc6 22.Bc6 Rb8 23.Bd5 Bb7 24.Bb7 Rb7 25.Nc3 Rc8 26.Kb3 Nd8 27.Nd5 Ne6 28.Nb4 Nc5 29.Kc3? Na6 30.Kb3 Nb4 31.Kb4 Rc2 32.Rb1 Rf2 33.d4 Rh2 34.Bc3 Re2 35.de5 de5 36.Rd1 Re3 37.Rd8 Kf7 38.Bd2 Re4 39.Ka5 Rg4 40.Bb4 h5 41.Ka6 Rc7 42.Kb5 Rgc4 43.Rf8 Kg6 44.Rh8 Rc2 45.Re8 Rb7 46.Ka6 Rd7 47.Kb5 Rd5 48.Ka4 h4 49.Rh8 Kg5 50.Kb3 Rg2 51.Kc4 Rd4 52.Kc3 Rg3 53.Kc2 Re4 54.Bc5 Re2 55.Kd1 Ra2 56.Ke1 Rb3 57.Bd4 Rb1 0–1. dtpwaldi – adasko64, internet, 2011.

5.c4?? Nc6 6.e3 Nge7 7.Nf3 d5 8.cd5 Nd5 9.d4 Qa5 (9...ed4 10.Bd4 Nd4 11.Nd4 Qa5 12.Nd2 Bd4 13.ed4+=) 10.Nbd2 (10.Qd2 Qd2 11.Nbd2 ed4=) 10...ed4 11.ed4 Be7 (11...Bd6 12.Bc4 Be6 13.Qb3=) 12.Be2 (12.Bc4 Be6=) 12...0–0 (12...Be6 13.0–0=) 13.0–0 Bf5 (13...Be6 14.Re1=) 14.Nb3 (14.Qb3 Nd8=) 14...Qb6= 15.Bc4 Be6 (15...Rad8 16.Re1 Bg6 17.Nh4+=) 16.Re1+= Bf7 17.Qd2 (17.Nh4 Nf4 18.Bf7 Rf7+=) 17...Bd6 18.g3 (18.Qc2 Rac8=) 18...Nc7 (18...Rac8 19.Rad1+=) 19.Bf7 (19.d5 Rae8=) 19...Rf7 20.d5 (20.Qd3 Rd8=) 20...Ne5 (20...Ne7 21.Qd3–/+) 21.Ne5 fe5 22.Rab1? (better is 22.Qe3 Qb5 23.Red1+=) 22...Qb3–+ 23.Be5 Qa3 24.Rb7 Be5 25.Re5 Qd6 (25...Rd8 26.Qd4–+) 26.Rg5 (26.f4 Rd7–+) 26...a5 27.Qb2 a4 28.f4 (28.Rb8 Rb8 29.Qb8 Rf8–+) 28...a3 29.Qa2 h6 30.Re5 Re8 (better is 30...g5 31.Qb3 a2 32.Rb8 Rf8 33.Ra8 Ra8–+ (33...Na8?! 34.Qa2 Nc7 35.Qg2–+)) 31.Rc7 Re5 32.Rf7?? (32.Rc8 Kh7 33.fe5 Qe5 34.Qb1 Rf5 35.Rc1–+) 32...Kf7 (better is 32...Re1 33.Kf2 Qc5 (33...Kf7 34.Ke1 g5 35.Qb3+=) 34.Kf3 Qe3 35.Kg4 Kf7–+) 33.fe5+= Qb6 34.Kf1 Qb5 35.Kg1 Qb2 36.e6 (36.Qc4 Qe5 37.d6 Kf6 38.Qh4 Kg6 39.Qg4 Kh7=) 36...Ke7 (36...Kg8!? 37.e7 Kf7+=) 37.Qc4= Qb1 (better is 37...a2 38.Qc7 Kf6 39.Qf7 Kg5 40.Qf4 Kg6 41.Qe4 Kf6 42.Qf4 Kg6 43.Qe4 Kf6 44.Qf4 Kg6=) 38.Kg2+– a2 39.Qc7 Kf6 40.Qf7 Kg5?? (better is 40...Ke5 41.e7 Qc2 42.Kh3 Qf5 43.Qf5 Kf5+–) 41.h4 Kg4 42.Qf3 1–0. phildo (1840) – owater, net–chess.com, 2004.

5.d4 Qb6+= 6.dc5 Qb2 7.Nd2 Ne7 (7...Na6 8.e4 Nc5 9.Bc4+=) 8.e3 (8.Ne4 f5 9.Nd6 Kf8=) 8...Qc3 9.Bc4 Na6 10.Ne2 Qa5 11.Ba6 Qa6 12.Ne4 Qa5 (12...0–0 13.Qd6 Qc6 14.N2c3+=) 13.Qd2+= Qd2 14.Kd2 0–0 (14...Kf7 15.N2c3+=) 15.Rhb1 (15.Nd6 f5+/–) 15...b6 (15...Nf5 16.N2c3+=) 16.cb6 ab6 17.Nd6 (17.Rb6 d5 18.Nd6 Bg4+/–) 17...Ba6 (17...Rb8 18.c4 Ba6 19.Ng3+/–) 18.Rb6 Nc8 (18...Rfb8 19.Rb8 Rb8 20.a4+/–) 19.Nc8 Rfc8 20.Nc3 Kf8 (20...Bc4 21.a4+/–) 21.a4+– Rc5 22.e4 (22.Ne4 Rd5 23.Kc3 Rc8 24.Kb3 Bc4 25.Kb2 Rc6 26.Rc6 dc6+–) 22...Rac8 (22...Bc4 23.Rab1+/–) 23.Ra6 (23.Ra3 Bf1+/–) 23...Rc3 24.Ra2 R3c4 25.f3 (25.f3 Rd4 26.Kc1+/–) 1–0. Vetter,Udo – Valica,Slavo, TT–16 ETC, 2005.

5.d4 ed4 6.Bd4 Bd4 7.Qd4 Nc6 8.Qd2 Nge7 9.c4 (9.e3 d5=) 9...d6 (9...d5 10.cd5 Qd5 11.Qd5 Nd5 12.e4=) 10.Nc3 (10.e3 Na5 11.Qc2 Bf5=) 10...Ne5 (10...Na5 11.Qc2+=) 11.e4 0–0. philtil (2015) – oraz (1850), net–chess.com, 2004.

5.d4 ed4 6.Bd4 Bd4 7.Qd4 Nc6 8.Qe3 (8.Qg4 Qe7=) 8...Nge7+= 9.Nf3 0–0 10.g3 (10.Qb3 d5=) 10...d5+= 11.Bg2 Nf5 (11...Bf5 12.Qd2+=) 12.Qb3= Be6 13.Nc3 Exerts pressure on the isolated pawn (13.Qb7 Rc8=) 13...Re8 14.Qb7 (14.0–0–0 d4 15.Qb7+=) 14...Rc8 (14...Qa5 15.Kd2 (15.Qc6?? Rac8 16.Qe8 Re8–+) 15...Nd6 16.Qc6–/+) 15.0–0 (15.Qa6 d4 16.Nd1 Qc7=) 15...Na5 (better is 15...Qa5 16.Nd1 Ncd4 17.Nd4 Nd4–/+) 16.Qa7? (better is 16.Qb2+=) 16...Rc3–+ 17.Rfd1 Qa8 (17...Nc6 18.Qa4–+) 18.Qb6? (better is 18.Qa8 Ra8 19.Ne1–/+) 18...Rc2 19.g4 (19.e3 Rc6 20.Qb1 Rb8–+) 19...Nc4 20.Qb3 Rb2 21.Qd3 Ne7 22.Nd4 (22.h3 Nc6–+) 22...Bg4 23.h3 Bd7 24.e4 Ne5 (24...Rb6!? 25.Re1 Ne5 26.Qd2–+) 25.Qc3 Reb8 26.ed5 Nd5?? (better is 26...N7g6–+) 27.Ne2?? (better is 27.Qc5 Kh8 28.Bd5+=) 27...Nc3–+ 28.Ba8 Ne2 29.Kf1 Ra8 30.f4 Ng3 31.Kg1 Nf3 0–1. wlittle (2165) – parquexpo (1960), net–chess.com, 2004.

5.d4 ed4 6.Bd4 Bd4 7.Qd4 d5 8.Nc3 Ne7 9.Nf3 Nbc6 10.Qd2 Be6 11.e3 0–0 12.Bd3 Rc8 13.Nd4 (13.Rb1 Qd7=) 13...Bf7 (13...Nd4 14.ed4 Bf5 15.Rb1=) 14.0–0 Qc7 15.Nf5 (15.Ncb5 Qd7+=) 15...Rfd8 16.Nb5 Qb8 ½–½. alaamattar (2105) – wilierescapes (2000), net–chess.com, 2005.

5.d4 ed4 6.Bd4 Bd4 7.Qd4 d6 =.

5.e3 d5 (--> 3.a3 d5 4.e3 c5 5.bc5 Bc5).

5.e3 e4?? 6.Qh5+– g6 7.Qc5 1–0. Wall,Bill – Syd, internet, 2002.

5.e4 Nc6 6.Nf3 Qb6 7.Bc3 Bf2 8.Ke2 Bc5 9.d3 d6 10.Nbd2 Bg4 11.Rb1 Qc7 12.Nb3 Ba3 13.Qd2 Bc5 14.Nc5 dc5 15.Ke1 Nd4 16.Nd4 ed4 17.Ba1 Ne7 18.h3 Bh5 19.Qf2 Qa5 20.Qd2 Qd2 21.Kd2 b6 22.g4 Bf7 23.Bg2 Rd8 24.Rhf1 h6 25.c3 Nc6 26.h4 Ne5 27.Bh3 Be6 28.Rf4 Ng6 29.Rff1 dc3 30.Kc3 Nh4 31.Rbd1 Ng6 32.Rf2 Ne5 33.Rg1 Rd3 34.Kc2 Rh3 35.Be5 fe5 36.g5 hg5 37.Rg5 Rh2 38.Rd2 Rd2 39.Kd2 Kf7 40.Kc2 Kf6 41.Rg1 g5 0–1. pittol – gena2013 (1605), gameknot.com, 2014.

5.Nf3? Qb6–+ 6.e3? (better is 6.Qc1 Bf2 7.Kd1–+) 6...Qb2 7.Nc3 Ba3?? (7...Qb6 8.Na4 Qc6 9.Nc5 Qc5 10.c4–+) 8.Be2?? (better is 8.Rb1!? Qb1 9.Qb1+/–) 8...Qb4?? (8...Be7 9.Nd5 Kd8–/+) 9.Nb5= Nc6 (9...Bb2 10.Nc7 Kd8 11.Na8 Ba1 12.Qa1+=) 10.Ra3 (better is 10.Nc7!? Kd8 11.Na8+/–) 10...Kd8= 11.Rb3 Qa4 (11...Qe7!?+=) 12.Nd6+= Nh6 13.0–0 g5 14.Nb7 Bb7 15.Rb7 Nb4? (15...g4 16.Ne1+/–) 16.c3?? (better is 16.Bb5 Qa2 17.Rd7 Kc8 18.c3+–) 16...Qd1+= 17.Rd1 Nd5 18.Bb5 (18.Ra1 g4 19.Ne1 a5+/–) 18...Nb6 (better is 18...Nc7!? 19.Rb1 Nf5=) 19.c4 Rc8? (19...Ke7 20.Ra1 g4 21.Nh4+/–) 20.d3?? (better is 20.Ra1!? Ke7 21.Raa7 Ra8+–) 20...Ke7? (better is 20...Rc7!? 21.Rc7 Kc7+=) 21.Ra7 Ke6?? (21...Ra8 22.Rda1 Ra7 23.Ra7+/–) 22.Rb7 (better is 22.Ra6+–) 22...Na8?? (better is 22...Rb8 23.Rb8 Rb8+/–) 23.Bd7 (23.Bd7 Kd6 24.Bc8 Rc8 25.Ra1+–) 1–0. Fournier,Frederic (1905) – cobero24 (1785), Active, 2005.

5.e3 Qb6?!

6.Qc1 Ne7 7.c4 Nbc6 8.Nc3 0–0 9.Na4 Qa5 10.Nc5 Qc5 11.Nf3 Nf5 12.d3 d5 (better is 12...b6=) 13.cd5+– Qc1 14.Rc1 Nce7 15.e4 Nd6 16.Be2 Ng6 17.g3 Bh3 18.Kd2 Rf7 19.Rc5 b6 20.Rc6 Rd7 21.Rhc1 Ne7 22.Rc7 Rad8 23.Ne1 a5 24.f3 b5 25.g4 (25.R7c5 Ng6+–) 25...Nc4 26.dc4 Rc7 27.cb5 Rcd7 28.Nd3 Nd5 29.ed5 Rd5 30.a4 h5 31.Ke3 hg4 32.fg4?? (better is 32.Nf2 R5d7 33.Bc4 Kf8 34.fg4+–) 32...Bg4+/– 33.Rc5 Rc5 34.Nc5 (worse is 34.Bg4 Rc2 35.Be6 Kh7–/+) 34...Be2 35.Ke2 Kf7 36.b6 Rh8 (better is 36...Rb8 37.b7 Ke7+–) 37.Nd3?? (37.Bc3 Rh2 38.Kd3 Rh3 39.Kc4 Rh4 40.Kb5+–) 37...Rb8+= (worse is 37...Rh2 38.Kf1 Rh1 39.Kg2+=) 38.Bc3 Rb6 39.Ba5 Ra6 40.Bd2 Ra4 41.Nf2 g6 42.h3 Ke6 43.Be3 f5 Black intends e4 44.Bd2 e4 (44...f4 45.h4–+) 45.Be3 (better is 45.h4!?–/+) 45...Ra2 46.Bd2 Ke5 47.Nd1 f4 48.Ke1 f3 (48...e3 49.Ne3 fe3 50.Be3–+) 49.Nf2? (49.Be3–+) 49...Ra1 50.Nd1 f2! 51.Kf2 Rd1 52.Bc3 Kf4 0–1. cushing – Zippy, ICS game, 1994.

6.Bc3 Nc6 7.Bc4 Nge7 8.Bb3 d5 9.Qh5 g6 10.Qf3 d4 11.ed4 ed4 12.Bb4 (12.Qf6? Rf8 13.Ba5 Qa5–+) 12...Nb4 13.ab4 Bb4 14.Ba4 Bd7 15.Bd7 Kd7 16.Ne2 Rac8 17.Qb3 Qc5 (17...Bc5 18.Qa4 Nc6 19.0–0–/+) 18.Ra2 (better is 18.c3 dc3 19.dc3+=) 18...Rhe8 19.0–0 Nc6 20.Nc1 Qd6 21.Qh3 f5 22.Qh7 Re7 23.Qh3 Qf6 24.Nd3 Rh8 25.Qf3 Bd6 The mate threat is Bxh2 26.g3 Rh3 27.Ra7?? (better is 27.Rb2 Kc8 28.Re1+=) 27...Kc8 (better is 27...Na7 28.Qb7 Ke8–+) 28.Ra8+/– Nb8 (28...Nb8 29.Qd5 Rh8+–). Bornarel,Gilbert – Vancheri,Philippe, corr Midi Pyrenees–ch, 1999.

6.Bc3 Nc6 7.Bc4 Nge7 8.Qh5 g6 =.

6.Bc3 Nc6 7.Nf3 e4 (7...d5 8.d4 ed4 9.Nd4=) 8.Nh4+= White fights for the Initiative 8...Nh6 (8...Nce7 9.d4 ed3 10.Bd3+=) 9.Qh5+/– Kf8 (9...Nf7 10.Bc4 Ncd8 11.Bd5+/–) 10.Bf6 d6 (10...gf6 A deflection 11.Qh6) 11.Nc3 (better is 11.Bc4 Qc7 12.Bd5+–) 11...Ng4?? (11...Qb2 12.Rb1 Qc2+/–) 12.Ng6!+– Kg8 (12...hg6 A pinning theme 13.Qh8) 13.Bc4 1–0. Ivanets,Vladimir (2260) – Lein,Marina (2015), VII Camp. europeo senior, 2007.

6.Bc3 d5 7.d4 ed4 8.ed4 Qe6 9.Be2 =.

6.Nc3 Qa5 7.Bc4 (7.Nd5 Kd8 8.a4 Bb4 9.Nb4 Qb4 10.Ba3+=) 7...Nc6 8.Bg8 Rg8 9.Qh5 Kf8 (9...Kd8 10.Qh7+=) 10.Qh7 Ne7 11.Nf3 d5 12.Qh5 Bf5 13.Nd5! Be6 (13...Nd5 14.Qf5) 14.Nc3 Rd8 15.0–0 b5 16.d4! g6?? (16...ed4 17.Qc5) 17.Qh4 (17.Qh4 ed4 18.ed4+–) 1–0. themonkey (2110) – NN, GameColony.com, 2002.

6.Nc3 Qb2? 7.Na4+– Qa1 8.Qa1 Be7 9.Bc4 Nc6 10.Nf3 Nh6 11.Nc3 Nf5 12.Nd5 Bd6 13.d4 ed4 14.ed4 Na5 15.Bd3 Ne7 16.Ne7 Be7 17.0–0 0–0?? (better is 17...b6+–) 18.Qa2 Kh8 19.Qd5 Nc6 20.Qh5 g6 (20...h6 21.Qf5 Kg8 22.Qh7 Kf7 23.Bg6 Ke6 24.Re1 Kd6 25.Qg7 Rd8 26.Re7 Ne7 27.Qf6 Kc7 28.Qe7 b6+–) 21.Bg6 Rf7 22.Bf7 Kg7 23.Bd5 d6 24.Qf7 Kh6 25.Be4 (better is 25.Bc6!? bc6 26.Qe7 Bf5 27.Qf6 Bg6 28.Qd6 Rc8+–) 25...Bg4 26.Qh7 1–0. b4_player (1915) – qdong (1650), GameColony.com, 2002.

6.Nc3 Qb2? 7.Na4 Qa3 8.Ra3 Ba3 9.Qa1+– b5 10.Nc3 +–.

6.Nc3 Ne7 7.Bb5 (7.f4 0–0 8.Bc4 Kh8 9.Na4 Qc6 10.Nc5=; 7.Na4 Qc6 8.Nc5 Qc5 9.Qh5 g6 10.Qh4=; 7.Be2 d5 8.Na4 Qc7 9.Nc5 Qc5 10.d4=; 7.Nf3 d5 8.Na4 Qa5 9.Nc5 Qc5 10.d4+=) 7...a6 8.Ba4 0–0 9.Bb3 Kh8 10.Nf3 +=.

5.e3 Nc6

6.d4 Qb6 7.dc5 Qb2 8.Nd2 =.

6.d4 ed4?? 7.ed4?? (better is 7.Qh5 Ke7 8.Qc5 d6 9.Qd5 de3 10.Qe4 Be6 11.Qe3+–) 7...Qe7 8.Be2 Bd6 9.Nf3 Nh6 10.0–0 Nf5? 11.Re1?? 0–0?? 12.Bc4+– Kh8 13.Re7 Nce7 14.c3 Nc6 15.Nbd2 Bf4 16.Ne4 a6 17.Bd3 b5 18.Nc5 Nd6 19.Bc1 Bc1 20.Rc1 Nb7 21.Ne4 d5 22.Ng3 Bg4 23.h3 Bh5 24.Nh5 g6 25.Nf4 g5 26.Nd5 Nd4 27.Nd4 (27.Nd4 Ra7 28.Bh7+–) 1–0. amator111 (1660) – janusz3265, internet, 2011.

6.Nf3 Qb6 7.Nc3+= Qb2 (7...Nge7!?+=) 8.Na4+/– Qa3 9.Ra3 Ba3 10.Nc3 Bd6 11.Nh4 (11.Bc4 Nge7+/–) 11...g6 (11...Nge7 12.Qh5 g6 13.Qh6+/–) 12.Bc4 f5 13.Nf5! gf5 14.Qh5 Kd8 15.Qg5 Be7? (15...Nce7+–) 16.Qg7 Nf6 17.Qh8 Kc7 18.Nd5 Nd5 19.Bd5 Bb4 (19...Kd6 20.Bb3+–) 20.Bc6 Kc6 21.c3 Bd6 (21...Ba3 22.Qe5 d5 23.Qe8 Kc7 24.Qf7 Bd7 25.Qd5+–) 22.Qh7 f4 23.Qe4 Kb6 24.ef4 ef4 25.Qc4 Bc5 26.0–0 d5 (26...d6 27.d4+–) 27.Qd5 Be7 28.Re1 f3 (28...Ba3 29.Qb3 Kc6 30.Qa3+–) 29.Re7 (29…a5 30.Qd8 Kb5 31.Qd3 Ka4 32.Re4 Kb3 33.Qb1 Ka3 34.Qc2 Bd7 35.Re1 Be6 36.Ra1 Ba2 37.Ra2#) 1–0. mrkt (2295) – blik (2385), ICC, 2003.

6.Nf3 Bb6 7.d4 (7.c4 Nge7 8.d4 Ba5 9.Nc3 d5 10.Rc1=) 7...Ba5 8.Bc3 e4 9.Nh4 Bc3 10.Nc3 =.

6.Nf3 d5 7.c4 e4 8.Nd4 Nd4 9.ed4 Bb6 10.c5 Ba5 11.Nc3 Be6 12.Bb5 Ke7 13.0–0 a6 14.Be2 b5 15.d3 ed3 16.Bd3 b4 (better is 16...Kd7+–) 17.ab4 Bb4 18.Qe2 Nh6? (18...Kf7+–) 19.Rfe1 (19.Ra6?! Ra6 20.Ba6 Kf7+–) 19...Qc8 (19...Qd7 20.Qe6! Qe6 21.Nd5 Kf7 22.Re6 Ke6 23.Nb4 a5+–) 20.Na4 (better is 20.Ra6 Bc3 21.Re6 Kf7 22.Qh5 Kf8 23.Bc3+–) 20...Be1+/– 21.Re1 (21.Qe1?! Ra7+=) 21...Rb8 22.Nb6 Qc6 23.Ba6 Nf5? (better is 23...Rb6 24.cb6 Qb6 25.Ba3 Kf7+–) 24.Bb5 (24.Bb5 Rb6 25.cb6 Qb6 26.Ba3 Kf7 27.Bc5 Nd4 28.Bd4 (28.Bb6?! Ne2 29.Be2 Rb8+–) 28...Qd4 29.Qe6 Kg6 30.Re3+–) 1–0. Fournier,Frederic – bodyboarder, Active, 2007.

6.Nf3 d5 7.d4 Bd6 8.c4 Be6 =.

6.Nf3 d5 7.d4 Bd6 8.c4 Nge7 9.de5 fe5 10.cd5 =.

6.Nf3 Be7 7.c4 (7.e4 d5 8.ed5 Qd5 9.Nc3 Qc5 10.Bb5=) 7...d5 8.cd5 Qd5 9.Nc3 Qa5 10.Qb3 +=.

6.Nf3 Nge7 7.d4+= ed4 8.ed4 Bb6 (8...Bd6 9.Bd3+=) 9.d5 Nb8 (9...Ba5 10.c3 Qb6 11.Bc1+= (worse is 11.dc6 Qb2 12.cd7 Bd7–/+)) 10.d6+/– Nf5 (better is 10...Ng6!?+/–) 11.Qd5+– g6? (better is 11...Nh6+–) 12.Bc4 (12.Bc4 Nd6 13.Qd6 Qe7 14.Qe7 Ke7 15.Nc3+–) 1–0. b4_player (2250) – ceskysachista (2135), GameColony.com, 2003.

6.Nf3 Bf8 7.c4 (7.d4 e4 8.Nfd2 d5 9.c4 dc4 10.Ne4+=) 7...d5 8.cd5 Qd5 9.d4 Bg4 10.Nc3 +=.

5.e3 Ne7

6.d4 Qb6 7.dc5 (7.Bc3 ed4 8.ed4 Qe6 9.Be2 Bb6+=) 7...Qb2 8.Nd2 Qc3 9.Bc4 Nbc6 10.Kf1 (10.Ne2!? Qa5 11.0–0+=) 10...b5= 11.cb6 d5 (11...ab6 12.Ne2 Qa5 13.Kg1=) 12.Ne2+= Qa5 13.Nb3 Qb6 14.Bd5 Ba6 15.Ke1 (15.Bf3 Rd8 16.Qe1 Bc4+=) 15...Rd8 16.Nc3 Bc4 (16...Qc7 17.Qd2=) 17.e4 (17.Bc6 Qc6 18.Qf3 Qc7=) 17...Nd5 (17...Na5 18.Qh5 g6 19.Qf3+=) 18.Nd5 Bd5 19.ed5 Qb5 20.Qg4 Qd5 21.Rd1 (21.Qg7? Qe4 22.Kf1 Qc2–+) 21...Qd1 22.Qd1 Rd1 23.Kd1 Ke7 24.Kc1 Rd8 25.Re1 (25.Rd1 Rd1 26.Kd1 g5=) 25...Nd4 (25...g5 26.Rd1=) 26.f4 (26.Nd4 Rd4 27.c3 Rg4=) 26...Ke6 (26...Nb3 27.cb3 Ke6 28.Kc2+=) 27.Nd4 (27.Re3 h5+=) 27...Rd4 Black gets the initiative 28.fe5 fe5 29.c3 Rf4 30.Re2 e4 (30...g5 31.Kb2+=) 31.Kd1 Rf1 32.Re1 Re1 33.Ke1 Kd5 34.Kd2 a5 35.h3 a4 36.h4 Kc4 37.h5 Kb3 (37...Kb3 38.c4 Kc4–+) 0–1. Lorenz Tristan,Manuel – Bernabe Pajares,Manuel, corr ESP–Cup, 1985.

6.d4 ed4 7.ed4?? Bd6 8.Bd3 0–0 9.Nf3 Ng6 10.Bg6 hg6 11.0–0 Re8 12.c4 Qc7 13.Nbd2 Bf4 14.Rc1 d6 15.Qc2 Bf5 16.Qc3 Bg4 17.Rce1 Re1 18.Re1 Bf3 19.Nf3 Nd7 20.g3 Bh6 21.Nh4 g5 22.Nf5+– Rf8 23.Qd3 Qd8 24.Nh6 gh6 25.Qg6 Kh8 26.Qh6 Kg8 27.Qg6 Kh8 28.Re4 Nb6 29.d5 Qd7 30.Qg5 Rg8 31.Rh4 Qh7 32.Bf6 Rg7 33.Qg7 1–0. amator111 (1680) – horse20, internet, 2011.

6.d4 ed4 7.Qh5 Ng6 8.Qc5 de3 9.fe3 d6 10.Qd5 Nc6 11.Kf2 (11.Nd2 Qa5 12.Qa5 Na5+–) 11...Nge7 12.Qh5 Ng6 13.Bc4 (13.Bd3 0–0+–) 13...Qe7 14.Nf3 Be6 15.Bd3 0–0 (15...Bf7 16.Nbd2+–) 16.Nh4 Bf7 17.Ng6 hg6 18.Bg6 Ne5 (18...Bg6 19.Qg6 Qe6+–) 19.Qh7# 1–0. Fritz 10 – NN, internet, 2007.

6.Ne2 d5+= 7.g3 Nbc6 8.Bg2 Be6 9.0–0 0–0 10.Nbc3 a6 11.f4 e4 12.Na4 Bd6 13.Nd4 Nd4 14.Bd4 b5 15.Nc5 Bf7 16.Bh3 f5 17.Nb7 Qc7 18.Nd6 Qd6 19.Bc3 Qb6 20.Qb1 Rac8 21.Bb4 Rc7 22.Qb2 Bg6 23.a4 Rfc8 (23...ba4!? 24.Qe5 Qc6+=) 24.Qe5+/– Nc6 25.Qd5 Kh8 26.Bc5 Qb7 27.ab5 ab5? (better is 27...Qb5!? 28.c4 Nb4 29.cb5 Nd5+–) 28.Bf5+– Rd8 (28...Bf5 29.Qf5 Na5 30.Bd4+– (30.Ra5?! Rc5 31.Qe6 Rc2+/–)) 29.Qe4 Bf5 30.Qf5 Rf7 31.Qe4 h6 32.d4 Qd7 33.Rfb1 Re8 34.Qd3 b4 35.d5 Ne7 36.e4 (worse is 36.Bb4 Nd5 37.Rd1 Nb6+–) 36...Nd5 (36...Kg8 37.Ra7 Qc8 38.Qc4+–) 37.ed5 1–0. pierred (2755) – alaamattar (2295), net–chess.com, 2013.

6.Nf3 Qb6 7.Qc1 d5 (7...e4 8.d4 ef3 9.dc5 fg2 A) 10.cb6?? gh1Q (10...gh1R?! 11.Qd1=) 11.ba7 Nbc6–+; B) 10.Bg2 Qc5 11.Nc3=) 8.Nc3 (8.d4 ed4 9.Bd4 Nbc6 10.Bc5 Qc5=) 8...Bd7+= 9.a4 (9.Be2 0–0+=) 9...e4 10.a5 Qb4 (better is 10...Qd8 11.Nd4 Bd4 12.ed4 Nbc6+=) 11.Nh4+/– White threatens.... what? 11...g5 12.Nf5 Bf5 A deflection (12...Nf5 Theme: Deflection from d5 13.Nd5). aschellen (1810) – luxator_26 (1915), internet, 2007.

6.Nf3 d5 7.Be2 0–0 8.d3 Nbc6 9.0–0 Bf5 10.Nbd2 d4 11.ed4 ed4 12.Nb3 Bb6 13.a4 Bg4 14.a5 Bc7 15.h3 Bf3 16.Bf3 Qd6 17.g3 Nf5? 18.Bg2 Ng3 19.fg3+– Qg3 20.Qf3 Qh2 21.Kf2 Ne5 22.Qd5 Kh8 23.Rh1?? Qf4 24.Ke2+– Qe3 25.Kd1 Rfd8 26.Qe4 Qf2 27.Qe2 Qf4 28.Qd2 Qf5 29.Be4 Qh5 30.Kc1 f5 31.Bb7 Rab8 32.Bg2 Qg6 33.Nd4 Rbc8?? 34.Nf3?? Nd3!–+ 35.Kb1 Nb2 36.Kb2 Rd2 37.Nd2 Qg2 38.Nb3 Be5 39.Ka2 Qc2 40.Ka3 Ba1 41.Ra1 Rc3 (41...Rc3 42.Rb1 Qb1 43.Ka4 Qb3) 0–1. exp2005 – shoam88, internet, 2011.

4.bc5 Nc6

5.Nc3 Bc5 6.Na4 Be7 7.e4 d5 8.ed5 Qd5 =.

5.d4 ed4 6.Bd4 Nd4 7.Qd4 Qa5 8.Qd2 Qc5 =.

5.e4 =.

4.e3 cb4=+

5.ab4 Bb4 6.c3 Ba5 7.Nf3 d5 (7...Nc6 8.Ba3–/+) 8.c4 (8.Qa4 Nc6 9.Bb5 Bf5 10.Bc6 bc6 11.Qc6 Kf7 12.Ra5 Ne7=) 8...Be6 9.c5 b6 10.Qa4 Bd7 11.Bb5 e4 12.Nd4 bc5 13.Nc6? (13.Ne6 Qe7 14.Nf4=) 13...Bc6?? (better is 13...Nc6 14.Bc6 Bc7–+) 14.Bc6+/– Nc6 15.Qc6 Kf8 (15...Kf7 16.Ra5! Rb8+/–) 16.Qc5 Ne7 17.Ra5 Rc8 (17...Qd7 18.Ba3 Kf7 19.Nc3+–) 18.Qa7 Nc6 19.Qc5 Kg8 20.Ra6 (20.Rb5 Ne5 21.Qa7 Nd3 22.Ke2 Qe8+–) 20...Ne7? (better is 20...Ne5 21.Qd4 Nd3 22.Ke2 Qd7+/–) 21.Qa5 (21.Qa3 Kf7+–) 21...Qe8 (21...Qa5 22.Ra5 Kf7 23.Ke2+–) 22.0–0 (better is 22.Ba3 Qd7 23.Nc3+–) 22...Rc2 (22...Kf7 23.Nc3 Ra8 24.Ra1 Ra6 25.Qa6+–) 23.Ra8 (better is 23.Ba3 h6 24.Re6 Kh7 25.Re7 Qc6+–) 23...Rc8 24.Rc8 Qc8 25.Rc1 Qb8 26.Qa3 (26.Ba3 Kf7 27.Be7 Ke7 28.Qd5 Rc8 29.Qe4 Kf8+–) 26...Nf5 (26...Kf7 27.d3+–) 27.g3 (better is 27.Qc5 Qd8 28.Qc8+–) 27...h5 (27...Kf7 28.d3+–) 28.Nc3 h4 (28...Qb7 29.Qa2 Kh7 30.Qd5 Qd5 31.Nd5+–) 29.g4 Ne7 (29...Nd6 30.Nd5 Qd8 31.Rc7+–) 30.Rb1 (better is 30.Qe7 Rh6 31.Qe6 Kh7+–) 30...f5 (30...Kf7+–) 31.Qe7 d4 (31...Rh6 32.Ne4! Qf8 33.Qf8 Kf8 34.Ba3 Ke8 35.Nd6 Kd7 36.Nf5+–) 32.Nd5 (32.Qe6 Kh7 33.Qf5 Kg8 34.Qd5 Kh7 35.Ne4 Qe8 36.Bd4 Qg6 37.Ng5 Qg5 38.Qg5 g6 39.Qe7 Kh6 40.Qh4) 32...Qf8 (32...Rh6 33.gf5 Qf8 34.Qf8 Kf8 35.Bd4+–) 33.Bd4 Qe7 34.Ne7 Kh7 35.Nf5 h3 36.Bg7 Rc8 37.Bc3 Kg6 38.f4 (better is 38.Ne7!? Kg5 39.Nc8 Kg4+–) 38...ef3 39.Ne7 Kg5 40.Nc8 Kg4 41.Rb4 1–0. Willi_weizenkeim – Dysman, playchess.de, 2004.

5.ab4 Bb4 6.c3 Bc5 7.d4 Qb6 8.dc5 Qb2 9.Ra4 Na6? (better is 9...b5 10.Rb4 Qa1 11.Bb5 Nc6=) 10.Ba6+– ba6 11.Rb4 Qa2 12.Qf3 a5 13.Rb5 a6 14.Qa8 ab5 15.Qc8 Ke7 16.Nd2 Qa1 17.Ke2 Qc3 18.Ngf3 e4? (18...b4+–) 19.Nd4 Qd3 20.Ke1 a4 (20...Qa3 21.Nf5 Ke6 22.Qe8 Ne7 23.Ng7 Kd5 24.Qd7 Kc5 25.Qe7 Kb6 26.Qa3 Rc8+–) 21.Nf5 Kf7 (21...Ke6 22.Nd6 f5+–) 22.Nd6 Kg6 23.Qe8 Kg5 24.h4 Kg4 25.Qd7 Kh5 26.Qf5 1–0. Baumann,Heinz – Valica,Slavo, TT–16 ETC, 2005.

5.ab4 Bb4 6.Bc4 d6 7.Nc3 Ne7 8.Nge2 Ng6 9.0–0 Qe7?? (9...Bg4 10.Nd5 Nc6 11.c3=) 10.f4?? (better is 10.Nd5!? Qd8 11.Nb4+–) 10...Be6?? 11.Bd3?? 0–0?? 12.f5+– Nh4 13.fe6 Qe6 14.g3 Ng6 15.Bf5 Qc4 16.d3 Qc5 17.Qd2 Ne7 18.d4 ed4 19.Be6 Kh8 20.Nd4 Nbc6 21.Nc6 Nc6 22.Kh1 Ne5 23.Qd4 Qc6 24.Bd5 Qd7?? 25.e4 Qh3 26.Ne2 Bc5 27.Qd2 Ng4 28.Nf4 Qh2?? 29.Qh2 Nh2 30.Kh2 g5 31.Ne6 Rfe8 32.Bf6 Kg8 33.Nc5 Kf8 34.Bg5 Kg7+– 35.Bf6 Kg6 36.Ne6 Rab8 37.Rf4 h6 38.Raf1 b5 39.Bd4 a5 40.Rf6 Kh7 41.Rf7 Kg6 42.R1f6 Kh5 43.Ng7 Kg4 44.Ne8 Re8 45.Rg7 Kh5 46.Bf7 1–0. dtpwaldi – jacekp13, internet, 2011.

5.ab4 Bb4 6.Nf3 Ne7 7.Bc4 (7.c3!? Ba5 8.d4+=) 7...d5–/+ 8.Bb3 Nbc6 9.0–0 0–0 10.c3 Ba5 11.d4 e4 12.Nfd2 Kh8 13.c4 Nb4 (13...Be6 14.f3 Bd2 15.Nd2 dc4 16.Nc4+=) 14.c5 (14.cd5!? Bf5 15.d6=) 14...Nd3 15.Bc3 Bc3 16.Nc3 Nc6 (16...f5 17.Nb5=) 17.Bc2 (17.f3 ef3 18.Qf3 Ne7+/–) 17...f5 18.Nb3 (18.Bd3!? ed3 19.Qb1+=) 18...Ncb4 19.Bd3 Nd3 (worse is 19...ed3 20.Ra4 Nc6 21.Qd3+=) 20.Nc1 Nb2 21.Qc2 Nc4 22.N1e2 Be6 23.Nf4 Bf7 24.Rfb1 g5 25.Nfe2 Rg8?? (better is 25...b6+=) 26.Rb7+– a5?? (better is 26...Qf6 27.Rd7 Rgd8 28.Rda7 Ra7 29.Ra7 f4 30.ef4 gf4+–) 27.g3 (better is 27.Rf7 Qc8 28.Ng3+–) 27...Bg6 28.Rb5 f4 (28...Be8!? 29.Rbb1 Bc6+=) 29.ef4+/– gf4 30.Nf4 e3 31.Ng6 Rg6 32.Nd1 (32.fe3!? Ne3 33.Qf2+–) 32...ef2 33.Nf2 Qc7 34.Rb3 Rf8 35.Rf1 Rgf6 36.Rd3 Qf7 37.Rdd1?? (better is 37.Qa2+=) 37...Ne3–+ 38.Qe2 Nd1 39.Qd1 (39.Rd1 Rf2 40.Qe5 Qf6 41.Qf6 R8f6 42.Ra1–+) 39...Rf2 0–1. Fournier,Frederic (1950) – pupurri (1965), Echecs21, 2003.

5.Bb5 a6 6.ab4 Bb4 =+.

5.Bd3 g6 6.f4 Nc6 (6...ef4 7.ef4 ba3 8.Na3 d5 9.Nb5 Nc6+=; 6...ba3 7.Na3 ef4 8.ef4 d5 9.Nb5 Nc6+=) 7.Nf3 ba3 8.Na3 ef4 9.ef4 d5 +=.

5.d4 A) 5...ed4 A1) 6.Bd3 de3 (6...Qa5 7.Bd4 Nc6 8.ab4 Bb4 9.Kf1 Qg5+=) 7.Qh5 Ke7 8.Qc5 d6 9.Qe3 Kf7+=; A2) 6.ed4 ba3 (6...Qe7 7.Be2 b6 8.Nd2 Nc6 9.ab4 Nb4+=; 6...d5 7.Bd3 Nh6 8.Nf3 ba3 9.Bc1 Bb4+=) 7.Ba3 Ba3 8.Na3 d5 9.Bb5 Nc6+=; A3) 6.Bd4 ba3 (6...Nc6 7.ab4 Bb4 8.c3 Nd4 9.Qd4 Ba5=; 6...Qa5 7.c3 ba3 8.Na3 Ba3 9.Qb3 Nc6=) 7.Na3 Nc6 8.Nb5 a6 9.Bc3 Rb8+=; B) 5...Nc6 6.Bd3 (6.ab4 Bb4 7.c3 Bd6 8.Bd3 Nge7 9.Qh5 g6+=; 6.d5 Nb8 7.Bd3 Nh6 8.Nf3 ba3 9.Ba3 Ba3+=) 6...ba3 7.Na3 Nge7 8.de5 Ne5 9.Be5 Qa5=; C) 5...ba3 6.Na3 (6.Ba3 Ba3 7.Ra3 ed4 8.ed4 Ne7 9.Nf3 d5+=) 6...ed4 7.Bd4 Nc6 8.Nb5 a6 9.Bc3 Rb8+=.

5.Bc4 d5

6.Bb3 ba3 7.Na3 Bf5 8.d4 ed4 9.Qd4 Ne7 +=.

6.Bb3 Nc6 7.ab4 Bb4 8.Ne2 Nge7 9.c3 Ba5 10.Ba3 0–0 11.e4 Rf7 12.ed5 Nd5 13.Bd5 (13.0–0!? Be6–/+) 13...Qd5–+ 14.0–0 Bf5 15.d4 Rd8 16.Nd2 (16.Bc1 b5–+) 16...ed4 17.cd4 Bd2 (better is 17...Nd4!? 18.Nd4 Qd4 19.Nf3 Qd1 20.Rfd1–+ (20.Rad1?? Bd3–+)) 18.Qd2 Nd4 19.Nf4?? (better is 19.Nd4 Qd4 20.Qd4 Rd4 21.Bc5–+) 19...Nf3! (19...Nf3 20.gf3 Qd2–+) 0–1. Farklempt – Zippy, ICS, 1994.

6.Bb3 Nc6 7.f4 ba3 8.Na3 Bb4 9.Qh5 g6 –/+.

6.Bb3 Be6 7.Nf3 Nc6 8.0–0 Bg4 9.ab4 Bb4 –/+.

6.Bb3 Bf5 7.d4 ba3 8.Na3 ed4 9.Qd4 Ne7 +=.

6.Bb3 Nh6 7.Qe2 ba3 8.Ba3 Ba3 9.Ra3 Nc6 –/+.

6.Bb5 Nc6 7.f4 ba3 8.Ba3 Ba3 9.Ra3 ef4 –/+.

6.Bb5 Bd7 7.Bd7 (7.Bd3 g6 8.Be2 Qc7 9.c3 ba3–/+) 7...Qd7 (7...Kd7?! 8.ab4 Ke8 9.b5= a6+=; 7...Nd7 8.ab4 Bb4 9.Qg4 Qe7–/+) 8.a4 (8.Ne2 ba3 9.Ba3 Ba3–/+) 8...Nc6 (8...Bd6 9.Ne2 Ne7–+) 9.Nf3 (9.Nh3 Bd6–/+) 9...Bd6 10.0–0 Nge7 11.d4 e4 12.Nh4? (12.Nfd2!?–+) 12...0–0 (better is 12...g5!? 13.Qh5 Kd8 14.f3 gh4 15.fe4 de4 16.Nd2–+) 13.g3 Qh3 14.Nd2 g5 15.Nf5?? (better is 15.Ng2–+) 15...Nf5 16.f3 (16.Qe2 g4 17.Qb5 Nce7–+) 16...Ne3 17.Qe2 Nf1 18.Qf1 (18.Rf1 ef3 19.Rf3 Rae8–+) 18...Qf1 19.Rf1 ef3 (19...e3!? 20.Nb3 Rae8 21.Re1–+) 20.Rf3 Rae8 21.Kg2 Re2 22.Kh1 (22.Rf2 Rfe8 23.Kf1–+) 22...Rd2 23.Bc1 Rc2 (23...Rd1 24.Kg2 Rc1 25.Rf2 Nd4 26.Kh3–+) 24.Rf1 Nd4 (better is 24...Re8 25.Kg1 Nd4–+) 25.h4 gh4 (25...Re8 26.Kg1 Nf3 27.Rf3 Re1 28.Rf1 Bc5 29.Be3 Be3 30.Kh1 Rf1) 26.gh4 Rh2 27.Kg1 Ne2 0–1. ronnieg (2575) – SuperIntellect (2755), fics, 2001.

6.Bd3 Qc7 (6...Be6 7.ab4 Bb4 8.Qh5 Bf7 9.Qg4 Bf8–/+; 6...Qd7 7.e4 ba3 8.Na3 Bc5 9.ed5 Qd5–/+) 7.c3 ba3 8.Na3 Be6 9.Nf3 Qb6 –/+.

4.e4 cb4

5.ab4 Ne7 6.Be2 (6.d4 ed4 7.Bd4 Nec6+=) 6...Ng6 7.Bc3 (7.b5 Nf4 8.d4 Ng2 9.Kf1 Nf4=) 7...Be7 (7...Qb6 8.Bh5=) 8.Nf3 (8.d4 Qb6=) 8...0–0 (8...Nf4 9.0–0=) 9.Bc4+= Kh8 10.d3 (10.d4 Qc7 11.Bd3 Rd8+=) 10...Qb6 (10...d5 11.ed5 Nf4 12.0–0=) 11.b5+= Bc5 (11...f5 12.0–0 d6 13.Bd2+=) 12.Ba5 (12.0–0!?+=) 12...Bf2= 13.Kf1 Qe3 (13...Qc5 14.c3 Qe3 15.Qc2+=) 14.Bd2 (14.Bb4 d6=) 14...Qc5 15.Nc3 Bd4?? (better is 15...Bh4 16.Nh4 Nh4+=) 16.Nd4+– ed4 17.Nd5 Qd6 (better is 17...Ne7 18.Bb4 Nd5 19.Bc5 Ne3 20.Kg1 Nd1 21.Bf8 d5 22.ed5 Ne3+–) 18.Bb4 Qe5 19.Bf8 Nf8 20.Qf3 b6 (20...Qd6 21.Qg3 Qg3 22.hg3+–) 21.Ke2 (better is 21.Nb6 ab6 22.Ra8+–) 21...Bb7 +–. tata (2000) – macedon (2065), net–chess.com, 2008.

5.Bc4 ba3 A) 6.Na3 Qb6 (6...Nc6 7.Nf3 d6 8.0–0 f5 9.ef5 Bf5=; 6...Na6 7.Nb5 Qb6 8.d4 Nc7 9.Nc7 Qc7=) 7.Nb5 Nc6 8.Nf3 a6 9.Bc3 Rb8+=; B) 6.Ba3 d6 (6...Ba3 7.Na3 Nc6 8.Bg8 Rg8 9.Qh5 Ke7=) 7.Nc3 Nc6 8.Bg8 Rg8 9.Qh5 g6+=.

5.Bc4 Nc6 A) 6.Bg8 Rg8 7.Qh5 g6 8.Qh7 Rg7 9.Qh4 d5+=; B) 6.Nf3 a6 (6...Qb6 7.0–0 Bc5 8.Bb3 d6 9.ab4 Qb4=; 6...ba3 7.Na3 d6 8.0–0 f5 9.ef5 Bf5=; 6...Qc7 7.0–0 Nge7 8.Bb3 Ng6 9.d4 Nf4=; 6...Nh6 7.0–0 Qb6 8.Bb3 ba3 9.Na3 Na5=) 7.ab4 Nb4 8.d4 d5 9.ed5 e4+=; C) 6.Ne2 Qc7 (6...Na5 7.Bd5 ba3 8.Na3 Ne7 9.Nc3 Ng6=; 6...ba3 7.Na3 Nge7 8.Nb5 Ng6 9.0–0 a6=; 6...a6 7.ab4 Nb4 8.Nbc3 Qc7 9.Bb3 b6+=; 6...Qb6 7.0–0 Nge7 8.d3 Na5 9.Nd2 Nec6=) 7.0–0 a6 8.ab4 Nb4 9.Na3 b6+=; D) 6.Nh3 d6 (6...ba3 7.Na3 d6 8.Qh5 g6 9.Qf3 Nh6+=; 6...Nge7 7.Qh5 Ng6 8.0–0 Qc7 9.Bd5 Bc5+=; 6...b6 7.f4 ba3 8.Na3 a6 9.Bg8 Rg8=) 7.Bg8 Rg8 8.Qh5 g6 9.Qh7 Rg7–/+; E) 6.ab4 Bb4 7.c3 Bf8 8.Nf3 f5 9.ef5 Nh6=.

5.Bc4 Qc7 A) 6.d3 ba3 (6...Nc6 7.ab4 Bb4 8.c3 Bc5 9.d4 Bb6+=) 7.Na3 Qb6 8.Ra2 Nc6 9.c3 Na5+=; B) 6.Bb3 Na6 (6...Nc6 7.Qh5 g6 8.Qf3 ba3 9.Na3 Bc5=; 6...b6 7.ab4 Bb4 8.Bg8 Rg8 9.Qh5 g6=; 6...ba3 7.Na3 Ne7 8.Ne2 Na6 9.d4 Ng6=; 6...a5 7.ab4 Bb4 8.Bg8 Rg8 9.Qh5 g6=) 7.Qh5 g6 8.Qf3 ba3 9.Na3 Nc5+=; C) 6.Qh5 g6 7.Qe2 Nc6 8.ab4 Bb4 9.Nc3 Nge7=; D) 6.Ba2 Nc6 (6...ba3 7.Na3 Ne7 8.Ne2 Qc6 9.Nc3 f5=; 6...Na6 7.Nf3 Ne7 8.d4 ba3 9.Ba3 d6+=; 6...a6 7.ab4 Bb4 8.Bg8 Rg8 9.Qh5 g6=; 6...b6 7.ab4 Bb4 8.Bg8 Rg8 9.Qh5 g6=) 7.c3 ba3 8.Na3 Nh6 9.Nf3 Be7+=; E) 6.Qe2 Nc6 (6...b5 7.Bb3 a6 8.ab4 Bb4 9.Nc3 Bb7=) 7.ab4 Nb4 8.d4 ed4 9.Nf3 Nc6=.

5.Bc4 Ne7 6.Qh5+= g6 7.Qf3 Nec6 8.Ne2 Na6 9.0–0 Nc7 10.ab4 b5 11.Bb3 Bb4 12.d4 Qe7 13.Nbc3 (13.c3 Bd6 14.Nd2 a5=) 13...Bb7 14.de5 Ne5 15.Qh3 a5 16.Nf4 a4 17.Ncd5 Bd5 18.Nd5 (18.Bd5 Ra6 (18...Nd5? 19.Nd5 Qd6 20.f4+–) 19.Bb7 Rd6=) 18...Nd5 19.Bd5 Rc8 20.Rab1 Qc5 21.Qh4 Rf8 22.Qh7 a3 23.Ba1 (23.Be5 fe5 24.Qg6 Kd8+/–) 23...Kd8+= 24.Rfd1 Qc2 25.Be6 Qc6 26.Bd7 (26.Rb4?! Qe6 27.Rb5 a2+=) 26...Nd7 27.Rb4 a2 28.Rbd4 Rc7 29.Qg7 Kc8 30.Rd7! Rd7 (30...Qd7 31.Qf8 Double attack (31.Qf8 Decoy; 31.Qf8 Remove defender); 30...Rd7 31.Qf8 Double attack (31.Qf8 Remove defender)) 31.Qf8 Kb7 32.Rf1 Qe4 33.Qf6 b4 34.Qb2 Qc4 35.Qe5 (35.h3 Rc7+/–) 35...Rd5 (35...b3!?+/–) 36.Qg7+– Kb6 37.Qg6 (37.Qg6 Kb5 38.Qe8 Qc6 39.Qb8 Qb6 40.Qf4+–) 1–0. chuckhar (2310) – marekt (2190), gameknot.com, 2014.

5.Be5? Qb6?? 6.Bb8+= Rb8 7.ab4 Bb4 8.c3 Bd6 (8...Be7 9.d4+=) 9.d4 (9.Bc4 Ne7+=) 9...Ne7 (9...Bf4 10.Ne2 Bc7 11.Nd2+=) 10.Bd3 (10.Nf3 Bf4+=) 10...Bf4 (10...Bc7 11.Nf3+=) 11.Ne2+/– Bc7 12.0–0 0–0 13.Nd2 f5 (13...d5 14.c4 de4 15.c5 Bh2 16.Kh1+/–) 14.Nc4 (14.Bc4 d5 15.Bd5 Nd5 16.ed5 Qd6+=) 14...Qh6 (14...Qc6 15.d5 Qg6 16.d6 fe4 17.de7+–) 15.e5 a6 16.Qb3 Kh8 17.Qa3 Re8 18.Nd6 Bd6 19.Qd6 Qd6 20.ed6 ½–½. Woschkat,Karl_Heinz – Holpp,Richard, IECG, 1997.

5.Be5? Nc6.

5.Be5? fe5 6.Qh5 Ke7 7.Qe5 Kf7 8.Bc4 d5 9.Bd5 Kg6 10.Nh3 Bh3 11.Qg3 Qg5 12.Qg5 Kg5 13.Bb7 Nc6 14.Ba8 Nd4 15.Kd1 b3 16.cb3 (16.gh3?! Nc2 17.Kc1 Na1 18.f4 Kh4=) 16...Bg4 17.f3 Be6 18.Bd5 Bd5 19.ed5 Nb3 20.Ra2 Nf6 21.Rb2 Nc5 22.Rb8 Nd5 23.Re1 Kf6 24.Nc3 Nc3 25.dc3 Kf7 26.Ra8 a6 27.Ree8 g5 28.Rec8 Ne6 29.Ra6 Bg7 30.Ra7 Kg6 31.Rc6 Re8 32.a4 h5 33.a5 Be5 34.h3 Kf5 35.Rf7 Bf6 36.a6 Rd8 37.Kc2 Ra8 38.a7 Kg6 39.Rd7 (39.Re6?! Kf7 40.Ra6 Be7+/–) 39...Nf4 40.Rb6 Ng2 41.Rb8 Ne1 42.Kd1 Ra7 43.Ra7 Ng2 44.Rg8 Kh6 45.Rc8 Kg6 46.Rc6 Ne3 47.Kd2 Nd5 48.c4 Nf4 49.Raa6 Kf5 50.Rf6 Ke5 51.Rfc6 Ng2 52.Ra5 Kf4 53.Rf6 Kg3 54.Rg5 Kf2 55.c5 Ne3 56.Kd3 Nd1 57.c6 Ke1 58.Rg1+– Kf2 59.Rd1 Kg3 60.h4! Kg2 61.Rg6 Kf2 1–0. Gyger,Werner – Martins,Karin, corr TKM/A002, 2000.

5.Be5? fe5 6.Qh5 Ke7 7.Qe5 Kf7 8.Qd5 Kg6 9.Qf5 Kh6 10.Qh3 Kg6 11.Qf5 Kh6 12.Qh3 Kg6 13.Qf5 =.

5.Be5? fe5 6.Qh5 g6?? (better is 6...Ke7 7.Qe5 Kf7 8.Qd5 Kg6 9.Qf5 Kh6 10.Qh3 Kg6 11.Qf5 Kh6 12.Qh3 Kg6 13.Qf5=) 7.Qe5+– Qe7 8.Qh8 Nf6 9.Nf3 (9.Ne2+–) 9...d6? (9...Ne4!? 10.Be2 Qg7 11.Qg7 Bg7+/–) 10.e5 (10.ab4 Kd7 11.Bc4 Nc6=) 10...de5 11.Bc4 (11.ab4 Nc6 12.b5+/–) 11...Nc6+/– 12.Ng5 Nd4 13.0–0 (13.Kd1 Kd7 14.Nh7 Nh7 15.ab4=) 13...Bf5 (better is 13...Kd7!? 14.Bf7 h6+/–) 14.c3 0–0–0 (14...bc3 15.Nc3 0–0–0 16.Nf7+/–) 15.Nf7 (15.cd4?! Bh6 16.Qd8 Qd8+=) 15...Ne2 16.Kh1 Re8 17.Bb5?? (better is 17.ab4 Bh6 18.Qe8 (18.Nh6?! Rh8 19.Nf5 gf5 20.Be2 Kb8=; 18.Be2? Qf7 19.Qe8 Ne8–+) 18...Ne8 19.Nh6+–) 17...Bd7= 18.Bc4 (worse is 18.Be2 Qf7 19.ab4 Kb8–/+) 18...Bh6 19.Qe8 (19.Nh6 Theme: Deflection from h8 19...Rh8) 0–1. Hjortstam,Kurt – Diener,Rudolf, corr 3GMMsemi–08, 1998.

5.Be5? Qe7 6.Bb8 Qe4 7.Qe2 Qe2 8.Be2 Rb8 9.ab4 Bb4 =.

5.ab4 Bb4

6.c3 Ba5 7.Bc4 Ne7 8.d4 Bb6 9.Nf3 Nbc6 =.

6.c3 Bc5 7.d4 Bb6 8.Bc4 Nc6 9.Nf3 d6 =.

6.c3 Bd6 7.Na3 Nc6 +=.

6.c3 Bd6 7.Bc4 Qb6 8.Ra2 Ne7 9.Nf3 Qc6 +=.

6.c3 Bd6 7.d4 Nc6 8.Nf3 Nh6 9.Bc4 Nf7 10.Bf7 (10.Na3 ed4 11.Nb5 Be7+=) 10...Kf7+= 11.Qb3 Kf8 12.0–0 Qe8 (12...g6!?+=) 13.Nbd2 b5 14.de5 Ne5?? (better is 14...fe5 15.Qb5 a5+/–) 15.Qd5+– (15.Qd5 Bb7 16.Qb7+– (worse is 16.Qd6 Qe7 17.Qd4 Nf3 18.Nf3 Kf7+–)) 1–0. mikleol (2220) – zrenjanin (2050), gameknot.com, 2014.

6.c3 Be7 7.Qb3 =.

6.c3 Be7 7.Bc4 d6 8.d3 f5 9.ef5 Nf6 =.

6.c3 Bf8 7.Bc4 Nc6 8.Nf3 f5 9.ef5 Nh6 =.

6.Nc3 Bc3 7.Bc3 d5 8.Qh5 g6 9.Qf3 Be6 –/+.

6.Nc3 Nc6 7.Bc4 Nge7 +=.

6.Bc4 Nc6 (6...Ne7 7.c3 Bc5 8.d4 Bb6 9.Nf3 Nbc6=) 7.c3 Bf8 8.Nf3 f5 9.ef5 Nh6 =.

4.e4 d5

5.ed5 cb4 6.Bb5 Bd7 7.Bd3 =.

5.ed5 Qd5 6.Nc3 Qd8 7.bc5 Bc5 8.Ne4 =.

5.ed5 Qd5 6.Nc3 Qe6 7.bc5 (7.b5 Nh6=) 7...Bc5 8.Ne4 Be7 9.Bb5 (9.Qh5 g6 10.Qe2 Qb6 11.Qb5 Qb5 12.Bb5 Bd7=) 9...Bd7 10.Qh5 g6 11.Qe2 Nh6 (11...Bb5 12.Qb5 Qc6 13.Nc3=) 12.f4 (12.Bc4 Qg4+=) 12...Bb5 (12...Qb6 13.Nc3 Nf7 14.Nd5+=) 13.Qb5+= Qc6 14.Qc6 Nc6 15.fe5 (15.Nf3 Nf7=) 15...Ne5 16.Be5 fe5 17.Nf3 Nf7 18.0–0 (18.Rf1 Rf8=) 18...Rc8 19.Rfb1 (19.c3 Rf8=) 19...b6 20.c3 Rc4 (20...Rf8 21.Rb5=) 21.d3 Ra4 The isolani on a3 becomes a target 22.Rb5 Attacks the isolani on e5 22...0–0 (22...Ra3 23.Ra3 Ba3 24.Ne5 Ne5 25.Re5 Kd7 26.Nf6 Kd8 27.Re1=) 23.Ne5 Ne5 24.Re5 Ra3 Do you see the mate threat? 25.Rc1 (25.Ra3 Ba3 26.d4 Kg7=) 25...Bd8 (25...Bf6 26.Re6 Bg7 27.Re7=) 26.d4 (26.Rd5 Be7=) 26...Bc7 (26...Ra2 27.d5=) 27.Re6+= Bf4 28.Re1 (28.Rd1 Ra2+=) 28...Be3= 29.Kh1 Bf2 (29...b5 30.g3 Ra2 31.Nf6 Kg7 32.Nh5 Kh6 33.Nf6+=) 30.Rd1 Kg7 (30...Ra2 31.d5+=) 31.g3 (31.g3 Be3 32.d5+/–) 1–0. Rosner,Dirk – Boettger,Hellmuth, DESC, 1999.

5.ed5 Qd5 6.Nc3 Qf7 7.f4 (7.bc5 Bc5 8.Ne4=) 7...Bd6 (better is 7...ef4 8.Qe2 Kd8 9.bc5 Bc5 10.Qd3 Qd7+=) 8.Nb5 Bc7 (8...Bf8!? 9.fe5 cb4 10.ab4 Nc6 11.ef6 Nf6 12.Qe2 Kd8+/–) 9.Bc4! Qe7 (9...Qc4 10.Nc7 Double attack (10.Nc7 Deflection)) 10.Nc7 Qc7 11.fe5 fe5 (11...cb4 12.Qe2 Qe7 13.ab4+–) 12.Nf3 Bg4 13.Be5 Bf3 14.Bc7 Bd1 15.Kd1 Nf6 16.bc5 Kd7 17.Bf4 Nc6 18.Rb1 Na5 19.Bd3 Rad8 (19...Kc6+–) 20.Rb5 Nd5 (20...b6 21.cb6 ab6 22.Rb6+–) 21.Bg3 (worse is 21.Ra5 Nf4 22.Be4 Rhe8 23.Bb7 Kc7+–) 1–0. aspasio – alaamattar, net–chess.com, 2013.

3.a3 c6

4.Nc3 d5 5.e4 =.

4.Nc3 d6 5.Nf3 Nh6 6.g3 (6.e4 f5+=) 6...Be6 (6...d5 7.e4+=) 7.Bg2 Na6 8.0–0 Be7 9.b5 Nc5 (9...cb5!? 10.Nb5 d5+=) 10.bc6 bc6 11.d3 0–0 12.d4 ed4 (better is 12...Nd7=) 13.Nd4+– (worse is 13.Qd4 Nf5 14.Qd2 d5+=) 13...Bd7 14.Nc6 Bc6 15.Bc6 Nd7? (better is 15...Rb8 16.Rb1 Nf7+–) 16.Ba8 Qa8 17.Qd5 Qd5 18.Nd5 Bd8 19.Rfd1 Nf7 20.Bd4 a6 21.Ra2 Nde5 22.Ne3 Nc6 23.Ba1 (23.Rb2 Ba5 24.Rb7 Rb8 25.Rb8 Nb8+–) 23...Bc7 (23...Bb6 24.Nd5 Bc5 25.Rb2+–) 24.Nd5 Bd8 25.Rb2 Ne7 26.Ne7 Be7 27.Rb7 Re8 28.Ra7 a5 29.Rb1 Bd8 (29...Bf8 30.e3+–) 30.Kf1 (30.Rbb7!? Rf8+–) 30...Ne5 (30...Re7 31.Re7 Be7 32.Bc3+–) 31.Rbb7 1–0. Lopez – Mennie,Alec Norman, Grund Malyszko Memorial–3 prel–45, 1997.

4.c4 d5 5.cd5 cd5 6.e3 Nc6 7.Nf3 Be6 8.Be2 Bd6 9.d3 Nge7 10.0–0 0–0 11.Nbd2 Kh8 12.Rc1 Bg4 13.h3 Bf3 14.Nf3 (worse is 14.gf3 b5+=) 14...f5 (14...a6 15.Qb3=) 15.Re1 e4 16.de4 de4 (16...fe4 17.Nd4 Nd4 18.Qd4+= (worse is 18.ed4 Ng6+=)) 17.Nd4 (17.Ng5 Be5 18.Qd8 A) 18...Rfd8?? 19.Nf7 Kg8 20.Ne5+– (20.Be5?! Kf7 21.Bc4 Kg6+=); B) 18...Rad8 19.Be5 Ne5+–) 17...Nd4 (17...Be5 18.b5 Nd4 19.Bd4 Bd4 20.Qd4 Qd4 21.ed4+=) 18.Bd4 (18.Qd4!? Rf6 19.Red1+/–) 18...Nc6 19.Bb2 Qe7 20.Qc2 Rad8 21.Red1 Ne5 22.Qc3 Ng6 23.Bh5 Be5 24.Qb3 Bb2 25.Qb2 Rd1 26.Rd1 Ne5 27.Qc2 Nd3 28.Be2 Rd8? (better is 28...Ne5!?+=) 29.Bd3+– ed3 30.Rd3 Rd3 31.Qd3 Qf8 32.g3 (32.Qd7 Qb8+–) 32...h6 (32...Qc8 33.Qd5+–) 33.Kg2 Qc8 34.Qd2 Qc6 35.f3 Qf3?? (better is 35...Qa6+–) 36.Kf3 g5 37.g4 fg4 38.hg4 h5 (38...h5 39.Qd8 Kh7 40.gh5 Kg7 41.Qe7 Kh6 42.Qf7 g4 43.Kg4 b5 44.Qg6) 0–1. Fournier,Frederic – lordanderssen, Active, 2007.

4.c4 Nh6 5.e4 g6 6.d4+/– Nf7 7.Nf3 Qb6? 8.de5+– fe5 9.Ne5 Ne5 10.Be5 Rg8 11.c5 Qd8 12.Bc4 Rg7 13.Bg7 Bg7 14.Ra2 Qg5 15.0–0 Be5 16.Nd2 Qh6 17.Nf3 Bf6 18.Qd6 Qg7 19.Rd2 Bc3 20.Rd3 b6 21.e5 Bb2 22.e6 Bf6 23.Qc7 Na6 24.Ba6 Ba6 25.ed7 (25.ed7 Qd7 26.Rd7 Bc4 27.Qd6 Rd8 28.Re1 Be6 29.Re6 Be7 30.Qe7#) 1–0. Woschkat,Karl_Heinz – Zack,Markus, DESC, 1998.

4.d4 d5 5.de5 a5 6.Nd2 (6.e3 Nd7 7.e6 Nb6=) 6...Nd7+= 7.e4 (7.Ngf3 fe5 8.c4 ab4 9.ab4 Ra1 10.Qa1 dc4+=) 7...fe5= 8.ed5 cd5 9.Ngf3 Ngf6 10.Ne5 Bd6 11.Nd3 0–0 12.Be2 Qc7 13.g3 Nb6 14.0–0 Na4 15.Bd4 Nc3 16.Bc3 Qc3 17.ba5 Bh3 18.Re1 Ra5 The pressure on the isolated pawn grows 19.Bf3 Bf5 (worse is 19...Ba3 20.Nb3 Ra4 21.Ndc5+/–) 20.Re3 Ra3 (20...Ng4 21.Re2 Nf6 22.Nb3=) 21.Ra3= Qa3 (worse is 21...Ba3 22.Nb1 Qa5 23.Na3 Qa3 24.Nf4+–) 22.g4 Bd3 23.Rd3 The isolani on d5 becomes a target (worse is 23.cd3 Bf4 24.Re1 Rc8+=) 23...Qc5 24.Nb3 Qb6 25.Qe2 Rf7 (better is 25...Bb8!? 26.Bd5 Nd5 27.Rd5 Bh2 28.Kg2 Qc6=) 26.g5+/– Re7 27.Qf1 Ne4 28.Rd5 Kh8 29.h4 Bg3? The pressure on the backward pawn f2 grows (better is 29...Re8+/–) 30.Kg2+– Bc7 (30...Bd6+–) 31.Qe2 Qe6 32.c4 Re8 (32...Nd6 33.Qe6 Re6 34.c5+–) 33.Nd4 Qe7 34.Qe4 Qe4 35.Be4 (35.Be4 Re4 36.Nb5+–) 1–0. chandragupta (2170) – marekt (2225), gameknot.com, 2014.

4.e3 a5 5.b5 d5 6.Nf3 Bd6 7.Be2 e4 8.Nd4 c5 9.Nb3 Be6 10.a4 b6 11.0–0 Ne7 12.d3 0–0 13.de4 de4 14.c4 Qc7 15.g3 Bh3 16.Re1 Ng6?? (16...Rd8 17.Qc2 f5 18.N1d2+=) 17.N1d2 (better is 17.Qd5 Qf7 18.Qa8+– (worse is 18.Qd6 Nd7+–)) 17...Ne5?? (17...f5 18.Nb1 Ne7 19.Nc3=) 18.Bf1?? (better is 18.Ne4 Nf7 19.Nd6 Qd6 20.Bf3+–) 18...Bf1 (18...Bg4!? 19.Be2 Be2 20.Re2 Qb7=) 19.Rf1= Nd3 20.Qc2?? f5+= 21.Nc1? Ne5?? 22.Ne2 Nbd7 23.Nf4 Rae8 24.Nd5 Qb8 25.Rad1 g5 26.Be5+= Ne5 27.Nc3 g4= 28.Nd5 Nf3 29.Nf3 gf3 30.h4 f4 31.Nf4 Qc8 32.Rd6+/– Rf4 33.Rfd1?? Qh3 34.ef4 Qg2 0–1. Fournier,Frederic (1640) – JBconLimon (1845), Active, 2006.

4.e3 Qe7 5.d3 Qf7 6.Be2 Qg6?? 7.Bf1 Ne7 8.h3 d6 9.Nf3 Qf7 10.Nbd2 Ng6 11.Be2 Be7 12.0–0 0–0 13.e4 Be6 14.c4 Qe8 15.Qc2 Qd7 16.Rfd1 Nf4 17.Bf1 Kf7 18.d4 ed4 19.Nd4 Nh3 20.gh3+– Bh3 21.Qc3 Bf1 22.Nf1 c5 23.Nf5 Bd8 24.Rd6 Qc7 25.Rad1 cb4 26.ab4 Kg8 27.c5 Nc6 28.Rd7 Qf4 29.Rg7 Kh8 30.Rdd7 (30.Rdd7 Be7 31.Ne7 Ne7 32.Rge7+–) 1–0. exp2005 – zdenislav1, internet, 2011.

4.e4 (--> 1.b4 e5 2.Bb2 f6 3.e4 c6 4.a3).

4.d4 ed4

5.Qd4 d5 6.c4 Bd6 7.Nf3 Ne7 8.Nc3 Bf5 9.cd5+= cd5 10.e4 Nbc6 11.Bb5 Be4 12.Ne4 Kf8 13.Qd3 de4 14.Qe4 Qb6 15.Bd3 Re8 16.0–0 Ng6 17.Qf5 Nge5 18.Ng5 Ne7 19.Nh7 Kg8 20.Qe6 Nf7 21.Rae1 Bb8 22.Qb3 Qd6 23.g3 Rd8 24.Bb1 Nd5 25.Qd3 Qc6+/– 26.Re7?? Ne7–+ 27.Qe3 Be5 28.Be4 Nd5 29.Bd5 Qd5 30.Be5 Ne5 31.f4 Ng4 (31...Ng4 32.Qf3 Qf3 33.Rf3 Rh7–+) 0–1. paoloone – Clay56, ChessWorld.net, 2010.

5.Bd4 a5 =.

3.a3 Nc6

4.b5 Nce7 5.c4 d5 6.cd5 Qd5 7.Nc3 Qd4 8.e3 Qd6 9.d4 ed4 10.Ne4 Qe5 11.Qd4 Qd4 12.Bd4 Nf5 13.Bc3 Be6 14.Nf3 Be7 15.Be2 Kd8 16.0–0 Nd6 17.Nc5 b6?? (better is 17...Bg4+/–) 18.Ne6+– (18.Ne6 Kc8 19.Rfc1+–) 1–0. Fournier,Frederic (1795) – championFan, KasparovChess.com unrated blitz gam, 2002.

4.Nc3 d5 5.g3 (5.e4 de4 6.Ne4 Be6=) 5...Bf5 6.Bg2 Nge7 7.e4 de4 8.Ne4 Nd5 9.d3 b5 (9...Qd7 10.Qh5 Kd8 11.Qe2=) 10.Ne2 a5 11.0–0 (better is 11.c4!? ab4 12.cd5 ba3 13.Bc3+/–) 11...ab4+= 12.ab4 Bb4 (12...Ra1 13.Ba1 Bb4 14.N4c3+=) 13.c4 (13.Nf6 gf6 14.Ra8 Qa8 15.Bd5 Bg4+=) 13...bc4 (13...Ra1 14.Qa1 bc4 15.dc4–/+) 14.dc4 (better is 14.Nf6 gf6 15.Bd5+=) 14...0–0?? (better is 14...Nde7–/+) 15.cd5 Ne7 16.N2c3 Ra1 17.Qa1 Bc3 18.Nc3 c6?! (18...Re8 19.Qa4+–) 19.Rd1 (19.dc6 Qc7 20.Qa2 Kh8+–) 19...cd5 20.Nd5 Ng6 (20...Nd5 21.Bd5 (21.Rd5?! Qb6+–) 21...Kh8 22.Ba3+–) 21.Qa7 (better is 21.Ne3 Qc8 22.Rc1+–) 21...Rf7 22.Qc5 Ne7 (22...Rd7 23.Ba3+–) 23.Ne7 (better is 23.Nf6 gf6 24.Rd8 Kg7 25.f4 ef4 26.Re8+–) 23...Qe7 24.Qe7 (24.Qa5!? h6+–) 24...Re7 25.Rd8 Kf7 26.Bd5 Kg6 27.Bc1 Bh3 28.f3 Ra7 29.Bb2 Ra2?? (29...Rc7+–) 30.Ba2 1–0. alaamattar (2295) – ccarney (2110), net–chess.com, 2013.

4.c4 d6 5.e3 Be6 6.Nf3 (6.Nc3 g6=) 6...Nge7 (6...d5 7.cd5 Bd5 8.h3=) 7.Be2 (7.d4 ed4 8.Bd4 Ng8=) 7...g6 (7...d5 8.Qc2=) 8.e4 (8.d4 Bf7+=) 8...b6 (8...Bg4 9.Ng1 Be2 10.Ne2= (worse is 10.Ke2 f5–/+)) 9.d4 ed4 10.Nd4 Nd4 11.Qd4 Bg7 12.0–0 Rg8 (12...Nc6 13.Qe3+=) 13.Qd2 (13.Qe3 Kf7+=) 13...f5 (13...Nc6 14.Re1+=) 14.Bg7 Rg7 15.ef5 gf5 (15...Nf5 16.Bf3 Qf6 17.Ba8 Qa1 18.Nc3 Qa3 19.Re1+/–) 16.Qh6 (16.Qc3 Kf8 17.Re1+=) 16...Rg6? (better is 16...Kf7+/–) 17.Bh5+– Bf7 (17...Kd7 doesn't change the outcome of the game 18.Bg6 Qh8 19.Bf7 Bf7 20.Nd2+–) 18.Bg6 (18.Qh7 keeps an even firmer grip 18...Kf8 19.Bg6 Ng6+–) 18...Bg6 (18...hg6 19.Qc1+–) 19.Re1 Kf7 20.Nd2 (20.Nc3 and White can already relax 20...a5+–) 20...Ng8 21.Qe3 (21.Qf4 a5+–) 21...Nf6 22.Nf3 Kf8 (22...Qd7 does not win a prize 23.c5 Ne4 24.Qd4+–) 23.h3 (23.Nd4 makes it even easier for White 23...Qd7+–) 23...Qd7 (23...Kg8 cannot undo what has already been done 24.Qe6 Kh8 25.Nd4+–) 24.Qe6 (better is 24.Qc3 keeps an even firmer grip 24...Qg7 25.Ng5 Kg8+–) 24...Qf7?? a blunder in a bad position (24...Qe6 25.Re6 Ne4+–) 25.Ng5 Qe6 (25...Qg7 does not help much 26.c5! Decoy: c5 26...bc5 27.bc5+–) 26.Ne6 Kf7 (26...Kg8 does not solve anything 27.Nc7 Rd8 28.Re6+–) 27.Nc7 Rc8 28.Nb5 Rc6 29.Rac1 (better is 29.Na7!? might be the shorter path 29...Rc4 30.Nb5 Kf8+–) 29...a6 30.Nd4 Rc8 31.f3 h6 (31...Ne8 is not the saving move 32.Kf2+–) 32.b5 a5 (32...ab5 does not improve anything 33.cb5 Rc1 34.Rc1+–) 33.Nc6 Rc7 (33...Re8 does not save the day 34.Re8 Ne8 35.Re1+–) 34.Nd8 Kg8 35.Re6 Kg7 (35...Rd7 doesn't do any good 36.Rd1 Rd8 37.Rf6+–) 36.Rd6 Kh7 (36...Rc8+– is one last hope) 37.Rf6 1–0. Kuhmann,Heinz (1670) – Wolfram,Franziska, Erlangen op, 2002.

4.e3 a5 5.b5 Nce7 6.a4 b6 7.c4 Bb7 8.f4 ef4 9.ef4 c6 10.Nf3 cb5 11.ab5 Bf3 12.Qf3+/– Ng6 13.Bd3 Bc5 14.Nc3 Qe7? 15.Kd1+– Qd8 16.Qh5 N8e7 17.f5 Kf7 18.fg6 hg6 19.Qf3 Qc7 20.h3 Rae8 21.Rf1 Rhf8 22.Kc2 d6 23.Nd5 Qd8 24.Rae1 Nd5 25.Qd5 Re6 26.Qe6 1–0. amator111 (1690) – forest11he, internet, 2011.

4.e3 a6 5.c4 Qe7 6.Nc3 b6 7.Nd5 Qd6 8.Nf3 Nge7 9.Ne7 Qe7 10.Be2 d6 11.0–0 Qf7 12.Rc1 Be7 13.d4 0–0 14.de5 de5 15.c5 Kh8?? (better is 15...bc5 16.Bd3 Kh8=) 16.cb6+– cb6 (16...Qe8 17.b5 Na5 18.bc7 ab5 19.Qd5+–) 17.Rc6 Bb7 (17...b5 18.Qb1+–) 18.Rc7 Bf3 (18...Rfd8 19.Qb1 (19.Rb7?! Rd1 20.Rd1 b5+–) 19...Bd5 20.Nh4+–) 19.Bf3 (worse is 19.gf3 a5+–) 19...Rac8 20.Qc2 Rc7 21.Qc7 Bd8 22.Qf7 Rf7 23.Rd1 Bc7 24.Bb7 a5 25.ba5 ba5 26.a4 h6 27.Ba3 Kh7 28.Be4 g6 29.Kf1 f5 30.Bd5 Rg7 31.Bc6 f4 32.ef4 ef4 33.Rd7 Be5 34.Rg7 Kg7 35.f3 g5 36.Ke2 Kf6 37.Kd3 Ke6 38.Kc4 Bc7 39.Bf8 h5 40.Bh6 g4 41.fg4 hg4 42.Kb5 Ke5 43.Bg7 Kd6 44.Bc3 Bd8 45.Be4 1–0. Fournier,Frederic (1660) – resplandeciente, Active, 2007.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Nc6).

4.e3 d6 5.Nf3 Be6 6.c4 Nge7 7.Be2 Ng6 8.0–0 Be7 9.d4 ed4 10.Nd4 Nd4 11.Bd4 0–0 12.Nd2 Bf7 13.Nf3 Ne5 14.Ne5 de5 15.Bb2 Qd1 16.Rfd1 Rad8 17.Rd8 Rd8 18.Rd1? (better is 18.Bc3!?=) 18...Rd1–/+ 19.Bd1 Bc4 20.f3 c6 21.e4 Kf7 22.Kf2 h6 23.Ke3 c5 24.Bc3 cb4 25.ab4 b5 26.Be2 Be2 27.Ke2 Bd6 28.Kd3 Ke7 29.h3 Ke6 30.g4 g6 31.Bd2 h5 32.Bc3 hg4 33.hg4 f5 34.gf5 gf5 35.Bd2 fe4 36.Ke4 Bc7 37.Be3 a5 38.ba5 Ba5 39.Bc1 Bc3 40.f4 ef4 41.Kf4 (41.Bf4!? Bf6 42.Bd2–/+) 41...Kd5–+ 42.Ke3 Kc4 43.Ba3 Kb3 44.Bf8 Bb4 45.Kd3?? Bf8 0–1. Fournier,Frederic (1870) – jLondres (1660), Active (4/0), 2004.

4.e3 Bd6 5.Nf3 Nge7 6.c4 0–0? (better is 6...e4 7.Nd4 Nd4 8.Bd4 Nc6+=) 7.c5 e4 (7...Bc5 8.bc5 d5 9.d4+–) 8.cd6 ef3 (8...cd6 9.Qb3 Kh8 10.Ng1+–) 9.de7 Qe7 10.Qf3 d6 11.Bc4 Be6 12.Be6 Qe6 13.Nc3 Rae8 (13...Ne5 14.Qe2+–) 14.Qd5 Qd5 15.Nd5 a5 (15...Rf7 16.d4+–) 16.ba5 (16.Nc7 Rc8 17.Nd5 Rfe8+–) 16...Na5 (16...Rf7 17.Bc3+–) 17.Nc7 Rc8 18.Nd5 Nc4 (18...Rc5 19.Nb4+–) 19.Bc3 (19.Ne7 Kf7 20.Nc8 Rc8+–) 19...b5 (19...Rfe8 20.d3 Nb6 21.Nb6 Rc3 22.Kd2+–) 20.Ne7 Kh8 21.Nc8 Rc8 22.Ke2 h6 (22...d5 23.Rhc1 Re8 24.Bb4+–) 23.Rhc1 Nb6 24.Bd4 Rc1 25.Rc1 Nd5 (25...Nc4 26.a4! Na3 27.Bb2+–) 26.Rc8 (26.Rc6 Ne7 27.Rd6 Nf5 28.Rd8 Kh7+–) 26...Kh7 27.Rd8 Ne7 28.Rd6 1–0. Fournier,Frederic – manolope, Active, 2009.

4.e3 g5 5.Qh5 Ke7 6.b5 d5? 7.bc6+– bc6 8.c4 dc4 9.Bc4 h6 10.d4 Bf5 11.Nf3 e4 12.Nfd2 Rb8 13.Qf7 Kd6 14.Ne4! Be4 15.Qe6 1–0. coloplayah (2000) – autocage, net–chess.com, 2005.

4.e3 Nh6 5.Nf3 d6 6.h3 (6.Bb5 Be6+=) 6...Be7 7.Bc4 a6 (7...d5 8.Be2=) 8.d4 (8.Bd5 f5+=) 8...ed4 (8...d5 9.Bd3 e4 10.b5–+) 9.ed4 g5 (9...d5 10.Bd3=) 10.d5 (better is 10.Ng5 fg5 11.Qh5 Kd7 12.Qh6+/–) 10...Na7? (better is 10...Ne5 11.Be2 Nf3 12.Bf3 Rg8+=) 11.Ng5!+– fg5? (better is 11...0–0 12.Ne6 Be6 13.de6 b5+–) 12.Bh8 b5 13.Bd3 Bf6 14.Bf6 Qf6 15.Nd2 g4 (15...Bb7 16.c4+–) 16.hg4 Ng4 17.Nf3 Ne5 18.Qe2 Bg4 19.Rh7 0–0–0 20.Rh6?? Nf3–+ 21.gf3 Qa1 22.Kd2 Bd7 23.Qe3 Qa3?? 24.Qa7= Qb4 25.Ke2 Re8 26.Kf1 Qb1 27.Kg2+= Rg8 28.Rg6 Rg6 29.Bg6 c6 30.Qa6 Kd8 31.Qb6 Ke7 32.dc6 Be6 33.Qb7 Kf6 34.Bd3 b4 35.c7 b3 36.c8Q Bc8 37.Qc8 b2 38.Qf8 Ke5?? 39.Qg7 Kd5?? 40.Qg5 Kc6? (41.Be4 Kd7 42.Qg7 Kd8+–; 40...Ke6+–). maxii – billybass, Live Game Caissa's Web, 2004.

4.e4 a5 5.b5+= Na7 6.d4 ed4 7.Bd4 c6 (7...Qe7!? 8.Nc3 Nh6+/–) 8.b6+– Nb5 (8...c5 9.Bc5! (9.ba7?! cd4 10.Nf3 d5+=) 9...Bc5 A) 10.ba7 Qb6 (< 10...Ba7 11.Bc4+=) 11.Nh3 d6=+ (11...Ra7?! 12.Bc4=; < 11...Qa7 12.Bc4+=); B) 10.Qh5 g6 11.Qc5+–) 9.Bb5 cb5 10.Qh5 g6 11.Qb5 Bg7 12.Nf3 Ne7 13.0–0 Nc6 (13...0–0 14.Rd1+–) 14.Nc3 0–0 15.Qd5 Kh8 16.Qd6 Nd4 17.Nd4 (17.Qd4 d6 18.Rfd1 Bg4+=) 17...f5 18.e5 Qh4 (18...Re8 19.Rfe1+–) 19.Rad1 Ra6 (19...Re8 20.Nf3 Qh5 21.Nb5+–) 20.Nd5 Re8 (20...Ra8 21.Nc7 Rb8 22.Nce6 de6 23.Qb8+–) 21.Rfe1 (better is 21.Nf3 Qc4 22.Nc7 Rf8+–) 21...Bf8 22.Qf6 1–0. b4_player – creepy_jackalope, GameColony.com, 2002.

4.e4 Nge7 5.c4 b6 6.Nf3 Bb7 7.b5 Na5 8.Nc3 Ng6 9.h4 Bc5 10.d3 (10.h5 Nf4=) 10...0–0 11.g3 a6 12.Qc2 (12.h5 Ne7=) 12...ab5+= 13.cb5 d5 14.Bh3 Ne7 15.h5 Bc8 16.Bc8 Rc8 17.h6 g6 18.Kf1 Qd7 19.Rc1 d4 20.Na4 Bd6 21.Rb1 Rf7 (21...f5!? 22.Kg2 fe4 23.de4 Qe6+=) 22.Bc1 g5 (22...Ra8 23.Kg2=) 23.Kg1 Rcf8 24.Nd2 Qg4 25.Rh2 f5 26.f3 Qg3 27.Rg2 Qh4 28.Rh2 Qf4 29.Rf2 fe4 (better is 29...Rf6+=) 30.Ne4+= Qf5 31.Bg5 (31.Nb6 g4 32.f4 Ng6= (worse is 32...cb6 33.Nd6 Qg6 34.Nf7 Rf7 35.Qc7+–)) 31...Kh8+= 32.Rg2 (32.Nd6?? Qg5 33.Rg2 Qe3 34.Qf2 cd6 35.Qe3 de3 36.Nb6 Nf5–+) 32...Nc8 (32...Nd5 33.Qa2 Nf4 34.Bf4 Qf4 35.Nd6 cd6 36.Qd2=) 33.Bd2 (33.Rg3 Qe6+/–) 33...Qf3 (better is 33...Rg8!? 34.Ba5 ba5+=) 34.Ng5+/– Qf5 35.Nf7 Rf7 36.Bb4 Qh3 37.Re1 Qh6 38.Nb6 Nb6 39.Ba5 Qf8 40.Qc6 Ba3 (40...Rf3 41.Rd1+–) 41.Bb6 (41.Re5 Rf1 42.Kh2 Qf4 43.Rg3 Rf2 44.Qg2 Rg2 (44...Qe5?! 45.Qf2 Bd6 46.Bb4 Qg3 47.Qg3 Bg3 48.Kg3=) 45.Kg2 Qe5–+) 41...cb6 42.Qb6 Bb4 43.Rb1 (43.Re5?? Rf1 44.Kh2 Qf4 45.Rg3 Qh4 46.Kg2 Qh1) 43...Bd6 (43...Rf3 44.Qe6 Rf6 45.Qd5+–) 44.Qc6 Qh6 45.Re1 Qf8 46.b6 Qh6 (46...Rf3+–) 47.b7 Rf8 48.Ree2 Qe6 49.Ref2 Rd8 50.Rc2 h6 (50...Qh6 51.Qf3 Bc5 52.Rc5+–) 51.Qc8 Rc8 52.bc8Q 1–0. condoru (2075) – blake507 (1970), gameknot.com, 2014.

4.e4 g6 5.Nf3 Bg7 6.d4 f5 7.ef5 gf5 8.d5+– Nd4 9.Nd4 ed4 10.Qh5 Kf8 11.Qf5 Nf6 12.Bd4 d6 13.Qf4 b6 14.Be2 c5 15.dc6 Kf7 16.0–0 Qe7 17.Re1 Re8 18.Bf6 Bf6 19.Bc4 Kg6 20.Re7 Re7 21.Qg3 Bg5 22.f4 h6 23.fg5 hg5 24.Qd6 Kf5 25.Qe7 Kf4 26.Nd2 Bf5 27.g3 Kg4 28.Kg2 Rh8 29.Be2# (29.Qe2#) 1–0. Rosner,Dirk – mkoenig_1, internet, 2001.

4.c4 d5

5.cd5 Qd5 6.Nc3 Qd8 7.e3 Nh6 8.Nf3 Nf5 9.Bc4 Nd6 10.Bd5 Bd7 11.0–0 Qe7 12.Ba2 0–0–0 13.b5 Na5 14.Nd5 Qe8 15.Qc2 Nb5? (better is 15...c6 16.b6 ab6+/–) 16.a4+– Bc6 (16...c5 17.ab5 Bb5 18.Rfc1+–) 17.ab5 Bd5 18.Rfc1 c6 (18...Nc6 19.Bd5 Rd5 20.bc6 Qc6 21.Qf5 Qd7 22.Qb1+–) 19.Bd5 Rd5 20.Ra5 Bc5 (20...Rc5 21.Bc3 Qg6+–) 21.bc6 b6 (21...b5 22.Rb5 Qc6 23.Qb3+–) 22.Ra7 Qc6 23.Rca1 Rdd8 (23...Re8 24.d4 g6 25.dc5 Rc5 26.Qb3+–) 24.d4 ed4 25.Nd4 Qd5 26.Ra8 Kd7 27.R1a7 Ke8 28.Qa4 (28.Qa4 b5 29.Qb5 Kf8 30.Rd8 Qd8 31.Ne6 Kg8 32.Rg7) 1–0. aspasio – ccarney, net–chess.com, 2013.

5.cd5 Qd5 6.Nc3 Qf7 7.Nf3 Be6 8.e3 0–0–0 9.Qa4 Bb3 (9...Bb3 10.Qb5 g5+=) 0–1. Fournier,Frederic – Guest999036, Partie amicale, 5m + 5s, 2008.

4.e3 b6

5.Bd3 Bb7 6.Qh5 Ke7 7.Nc3 Nh6 8.Nd5 Kd6 9.c4 Ne7 10.Nf3 Nd5 11.cd5 Bd5?? 12.Be5!+– fe5 13.Qe5 Kc6 14.Ba6 d6?? 15.Nd4 Kd7 16.Qd5 (16.Qd5 Qf6 17.Qc6 Kd8 18.Rc1+–) 1–0. Wall,Bill – Eraca, internet, 2005.

5.Nf3 a5 6.b5 Nb8? (6...Nce7 7.d4 e4 8.Nfd2+=) 7.c4 (better is 7.Ne5!? g6 8.Qf3+–) 7...c6 8.d4 cb5 9.cb5 Bb7 (better is 9...e4!? 10.Nh4 g6+/–) 10.de5+– fe5 11.Be5 Nc6? (better is 11...Nf6+–) 12.bc6 Bc6 13.Be2 d6 14.Bb2 Qd7 (14...Nf6 15.0–0+–) 15.0–0 0–0–0 (15...Nf6 16.Nd4 Ba4 17.Qd3+–) 16.Nc3 Nf6 17.Rc1 Bf3 1–0. Fournier,Frederic – matic95, internet.com, 2009.

4.e4 d5

5.ed5 Qd5 6.Nc3 Qd8 7.Qh5 g6 8.Qh4 Nd4 9.Bd3 Bf5 10.Bf5 Nf5 11.Qc4 Nd4 12.Nce2 Ne2 13.Ne2 Qd7 14.d4 0–0–0 15.0–0–0 Bh6 16.Kb1 Ne7 17.de5 Qd1 18.Rd1 Rd1 19.Ka2 fe5?? (better is 19...Rd7 20.ef6 Nd5+–) 20.Be5 c6 21.Qe6 Kd8 22.Bh8 Nd5 (22...Rd7+–) 23.Qg8 Kc7 24.Qh7 Kb6 25.Qh6 Re1 26.Qd2 1–0. pierred (2755) – ccarney (2110), net–chess.com, 2013.

5.ed5 Qd5 6.Nc3 Qf7 7.Nf3 Be6 8.Bb5 Nge7 9.0–0 0–0–0 10.Ne4 g5 11.Nc5 g4 12.Ne1 Bf5 13.f4 Bh6 14.Bc6 Nc6 15.Qe2 Nd4 16.Bd4 Rd4 17.Qb5 c6 18.Qa5 Rf4 19.Ned3 Rf1 20.Rf1 Bd3 21.Qa7 Qc7 22.cd3 Bd2 23.Ne6 Qb8 24.Qc5 Bg5 25.Ng5 fg5 26.Rf7 Rd8 27.Qb6 g3 28.hg3 h5 29.b5 h4 30.bc6 (30.bc6 Qa7 31.Qa7 Rd7 32.Rd7 bc6 33.Qb7#) 1–0. Krasny,Henryk Jan – Goncalves,Claudio J, corr TKM/A006, 2000.

4.e4 Bd6

5.Bc4 Bf8 +=.

5.d3 Nge7 6.Ne2 Ng6 7.Ng3 (7.h4 Nf8+=) 7...b6 (7...Bf8 8.b5 Nd4 9.Nf5 Nb5 10.Qh5=) 8.h3 (8.c3 0–0+=) 8...Nge7 (8...Bf8 9.b5 Nce7 10.d4=) 9.Nf5 (better is 9.b5!? Nd4 10.c3=) 9...Nf5=+ 10.ef5 Bb7 (10...0–0 11.c3=+) 11.Qh5= Ke7 (11...Kf8 12.c3=) 12.Be2 Qe8 13.f3?? (better is 13.Qf3=) 13...Qh5–+ 14.g4 Qg5 (14...Qh4 15.Kd1–+) 15.Nc3 h5 (better is 15...Nd4!? 16.Ne4 Qe3 17.Bd4 ed4 18.Rf1–+) 16.Nd5 (16.h4 Qh6 17.Ne4 hg4 18.fg4 Nd4 19.Bd4 ed4–+) 16...Kd8 17.Bc1 (17.h4 Qh6 18.g5 fg5 19.Bc1–+) 17...Ne7 (better is 17...Qh4 18.Kd1 hg4 19.fg4 Nd4–+) 18.Bg5 Nd5 19.Bd2 (19.Bh4 Nf4 20.Kd2 a5–+) 19...Bc6 (better is 19...hg4 20.h4 Nf4 21.Bf4 ef4 22.d4–+) 20.Kf2 Ba4 21.c4 Ne7 22.Be3 Kc8?? 23.Rhc1?? Kb7?? 24.Kg2?? hg4 25.fg4 Rh4 26.Bf2 Rh6 27.Bf3? c6–+ 28.b5 Rah8 29.bc6 dc6 30.Rh1 Bc2 31.Ra2 Bd3 32.Rd2 Bc5 33.Rd3 Bf2 34.Kf2 a6?? 35.c5?? bc5?? 36.Ke2?? Kc7 37.Ke3 Rh3 38.Ke2 Rh1 39.Bh1 Rh2 40.Kf3 Rh1 41.Kg2 Rc1 42.Kf2 Rc2 43.Ke3 Ra2 44.Rb3 Nc8 45.Kf3 Kd8 46.g5 Ra1 47.gf6 Rf1 48.Kg2?? Rg1 49.Kh2?? gf6 50.Kh3?? a5 51.Kh4 a4 52.Kh5 Rh1 (53.Kg6 ab3 54.Kf6 b2–+; 52...Rg5 53.Kh4 ab3 54.Kh3 b2 55.Kh2 b1Q 56.a4 Qg1 57.Kh3 Qg3#) 0–1. Slavisa2 – CharlieChess, Live Game Caissa's Web, 2004.

5.Nf3 a6 6.Be2 +=.

5.Nf3 Nge7 6.Bc4 a6 7.0–0 b5 8.Ba2 Bb7 9.Nc3 (9.c4 bc4 10.Bc4 Nc8+=) 9...Nd4 (9...Ng6 10.d3+=) 10.Nd4+/– ed4 11.Nd5 (11.Nb1 Nc6+/–) 11...Nd5 (11...c6 12.Ne7 Qe7 13.Qg4+/–) 12.Bd5 Bd5 13.ed5 0–0 14.Bd4 Be5 15.Be5 fe5 16.d4 d6 (16...Qg5 17.de5 Rae8 18.d6 Qe5 19.dc7 Qc7 20.Qd3+/–) 17.Qg4 (17.a4 Qh4+/–) 17...Qf6 18.de5 (18.Rae1 ed4 19.Qd7 Qf5 20.Qc7 Rac8 21.Qd6 Rc2+=) 18...de5 (18...Qe5!? 19.Rad1 Rae8+=) 19.Rae1+/– Rae8 20.c4 bc4 (20...Qf4 21.Qf4 ef4 22.c5+–) 21.Qc4 Qd6 22.Qe4 (22.Re2+/–) 22...Rf4 (22...Re7!?+/–) 23.Qf4!+– ef4 24.Re8 Qf8?? (24...Kf7 25.Re4 f3+–) 25.Rf8 Kf8 26.Rc1 Ke7 27.Rc7 Kd6 28.Rg7 1–0. b4_player (2215) – scotraid1, GameColony.com, 2003.

3.a3 d6

4.Nc3 Be6 5.e4 Ne7 6.Nf3 d5 7.d4 de4 8.Ne4 Nbc6? (better is 8...Bd5!? 9.Qe2 f5+=) 9.de5+– fe5 10.Qe2 Ng6 11.Rd1 Bd6 12.c4 Nf4 13.Qc2 (13.Nd6?! cd6 14.Qe4 Qc7+=) 13...0–0? (better is 13...Qb8!?+/–) 14.c5+– a5?! (14...Bd5 15.g3 Nd4 16.Bd4 ed4 17.cd6 cd6 18.Rd4 Rc8+–) 15.cd6 (15.Nd6?! cd6 16.Rd6 Qe8+/–) 15...cd6 16.Rd6 (16.Nd6?! ab4 17.Nb7 Qb6+–) 16...Qe7 17.b5 (17.Ne5?! ab4 18.Rc6 bc6 19.Nc6 Qb7 20.ab4 Bd5+–) 17...Nd8 18.Neg5 g6 (18...Bf5 19.Qb3 Kh8 20.Be5+–) 19.Qd2 Bf5 (19...Rc8 20.Be5 Bg4+–) 20.Be5 Nh5 21.Bc4 Be6 (21...Nf7+–) 22.Re6 (22.Re6 Ne6 23.Be6 Qe6 24.Ne6+–) 1–0. aspasio (2790) – alanwsp (2230), net–chess.com, 2013.

4.c4 Bf5 5.Nc3 c6 6.e3 Nd7 7.Nf3 Nh6 8.h3 c5 9.b5 b6 10.Be2 e4 11.Nh4+/– Ne5? 12.Nf5+– Nf5 13.Ne4 a5 14.a4 d5 15.cd5 Qd5 16.Be5 Qe4? 17.Bf3 Qe5 18.Ba8 Bd6 19.Bc6 Kd8 20.Ra3 Qb2 21.Rd3 c4 22.Rc3 Re8 23.Be8 Ke8 24.0–0 Bb4 25.Rc4 Bc5 26.d4 Bb4 27.Qh5 g6 28.Qh7 Ne7 29.Rfc1 Bd6 30.Qg7 f5 31.Qf6 Bb8 32.Qb6 Kf7 33.Qb8 Qb3 34.Qa7 Qd3 35.Rc7 Qe4 36.Qa5 g5+– 37.Re7! Ke7 38.b6 Kf6+– 39.Qe5! Qe5 40.de5 Ke5 41.b7 f4 42.ef4 Kf4 43.b8Q Kf5 44.g4 Kf6 45.Qd6 Kg7 46.Rc7 Kg8 47.Qd8# 1–0. ISickboyI – crystal palace, ChessWorld.net, 2005.

4.e3 b6 5.Qf3 c6 6.c4 Ne7 7.g3 Be6 8.d3 a6 9.Bg2 d5 10.Nd2 dc4 11.Nc4 Bc4 12.dc4+= a5 13.b5 g6?? 14.Qf6 Bg7 15.Qg7 Rg8 16.Qe5 Qc8 17.a4 Nd7 18.Bc6 Kd8 19.0–0–0 Ra7 20.Qe6 Re8 21.Bf6 Kc7 22.Rd7 Kb8 23.Be5 (23.Be5 Rc7 24.Bc7 Qc7 25.Rc7 Rd8 26.Rb7 Ka8 27.Rd7 Nc6 28.Qc6 Kb8 29.Qb7) 1–0. wlittle (1875) – tbear (1675), net–chess.com, 2001.

4.e3 d5 5.c4 Be6 6.cd5 Bd5 7.Nc3 a6 8.Nf3 Nc6 9.Rc1 Bd6?? 10.Be2 Be6+= 11.0–0 Nge7 12.Ne4 0–0 13.Nd6 cd6 14.d4 e4 15.Nd2 d5 16.Qb3 Qe8? 17.Ne4!+– Qg6 18.Ng3 f5 19.Bd3 Qg5 20.Qc2 f4 21.ef4 Rf4 22.Bh7 Kh8 23.Bd3 Nd4 24.Bd4 Rd4 25.Rce1 Bd7? 26.Qe2?? Re8+/– 27.Qe3 Qf6 28.Qe5?? Rd3–+ 29.Qf6 gf6 30.Nh5 Ng8 31.Re8 Be8 32.Re1 Bh5 33.f3 Bg6 34.Kf2 Ra3 35.Rd1 Bf7 36.Rd4 Rb3 37.Kg3 Kg7 38.h4 Ne7 39.Kf4 Ng6 40.Kf5 Rc3 41.h5 Ne7 42.Kg4 Rc4 43.Rf4 Rf4 44.Kf4 Bh5 45.g4 Bf7 46.Ke3 Nc6 47.b5 ab5 48.Kd2 Ne5 49.Ke3 b4 50.f4 Ng4 51.Kf3 Nh6 52.Ke3 Kg6 53.Kd4 Kf5 54.Ke3 b3 55.Kf3 (55.Kf3 b2 56.Kg2 b1Q 57.Kf2 Ng4 58.Ke2 Qc2 59.Ke1 b5 60.Kf1 Qf2) 1–0. vihavald (1720) – piewcamowy, internet, 2011.

4.e3 g6 5.Nf3 Bf5 6.c4 Bh6 7.Nc3 c6 8.Be2 Nd7 9.d3 Qc7 10.0–0 Ne7 11.e4 Be6 12.d4 0–0 13.d5 cd5 14.cd5 Bf7 15.Nb5 Qb6 16.a4+/– a6 17.a5+– Qd8 18.Nd6 Bf4 19.Nf7 Rf7 20.d6 Nc8 21.Bc4 1–0. Wall,Bill – Kayamike, internet, 1998.

4.e4 a5 5.b5 c6 6.d4 Qb6 7.a4 Nd7 8.Nf3 Ne7 9.Nbd2 Qc7 10.c4 (10.c4 c5 11.d5+=). Muller,Henri (1825) – Valica,Slavo (1630), CO7–01 www.b2–b4.com, 2005.

4.e4 a6 5.Bc4 Ne7 6.Qh5 g6 7.Qf3 Nec6 8.Ne2 Bg7 9.0–0 h5 10.Qg3 b5?? 11.Qg6+– Kf8 12.Qf7 1–0. wampo (1830) – gggrrr (1630), GameColony.com, 2002.

4.e4 b6 5.d4 Bb7 6.Nd2 ed4 7.Bd4 Nc6 8.Ngf3 Nge7 9.Bb2 Qd7 10.Be2 Ng6 11.0–0 Be7 12.Bb5 a6 13.Bc6 Qc6 14.Nd4 Qd7 15.f4 0–0 16.c4 c5 17.Nf5 Bd8 18.Qg4+/– Rf7 19.h4 Kh8 20.Qh3 Bc7 21.h5 Nf8 22.Qd3 a5 23.ba5+/– Ra5 24.Rad1 Ra4 25.Nf3 Qe6= 26.h6 Be4 27.hg7 Rg7 28.Ng7 Kg7 29.Qc3 Bf3 30.f5! Qf7 31.Rf3 Nd7 32.Rg3 Kh8 33.Qe3 Ra8 34.Qe6 Rf8 35.Bc1 Qh5 36.Re1 Ne5 37.Bf4 Bb8 38.Re4 Qd1 39.Kf2 Qc2 40.Re2 Qc4 41.Qc4 Nc4 42.Re7 Rg8 43.Rg8 Kg8 44.Re8 Kf7 45.Rb8 h5 46.Kg3 d5 47.Kh4 d4 48.Kh5 d3 49.Rb7 Ke8 50.Kg6 d2 51.Bd2! Nd2 52.Kf6 Ne4 53.Ke6 Ng5 54.Kd5 Kf8 55.Rb6 c4 56.a4 c3 57.a5 c2 1–0. Rosner,Dirk (2180) – Jenneborg,Seved, IECG, 2000.

4.e4 c6 5.d4 (5.Nc3 Be6+=) 5...Nd7 (5...Be6 6.Nf3+=) 6.Bc4 (6.Nf3 Nb6+/–) 6...a5 7.Ba2 (7.Nf3 ab4 8.0–0 Nb6+/–) 7...ab4= 8.ab4 Qb6? (better is 8...d5!? 9.Nd2 Bb4 10.ed5 cd5+=) 9.Bf7!+/– Kf7 10.Ra8 Ne7 (10...Qc7 11.Nd2 d5 12.Ngf3 Bb4 13.0–0 ed4 14.Bd4+/–) 11.Nf3 (11.Ne2 Qc7 12.Nd2 Ng6+–) 11...d5 (11...Qb4!? 12.Bc3 Qc4+/–) 12.0–0+– de4 13.Nfd2 Qb4 (better is 13...Qc7+–) 14.Bc3 Qb5 15.de5 Qd5 16.Ne4! Qe4?! (16...Qd1 17.Rd1 Nb6 18.Nd6 Ke6+–) 17.Re1 (17.Re1 Qf5 18.e6 Kg6 19.Rc8+–) 1–0. rusdin (1940) – marekt (2170), gameknot.com, 2014.

4.e4 Bd7 5.Bc4 Ne7 6.Nc3 Qc8 7.Nf3 Nbc6 8.0–0 Ng6 9.Nd5 Be6 10.Re1 h6 11.Nc7+– Qc7 12.Be6 Nd8 13.Bf5 Nf4 14.d4 d5?? 15.de5+– Nh3 16.Bh3 fe5 17.Be5 Qb6 18.Qd5 Rc8 19.Qd7# 1–0. Grimshaw – aliwood, internet, 2005.

4.e4 Be6 5.Nf3 Ne7 6.c4 Ng6 7.d4 Be7 8.d5 Bf7 9.Be2 0–0 10.0–0 Nd7 11.Nbd2 Nh8 12.g3 g5 (12...Ng6 13.Qa4+=) 13.Re1 Bg6 14.Bf1 h6 (14...f5 15.Qe2=) 15.Bg2 Bh5 (15...f5 16.Qe2 Bf6 17.ef5 Bf5 18.Nf1+=) 16.Qc2 (16.Bh3 f5 17.Bf5 g4+/–) 16...Qe8 17.Rac1 Rc8 18.Nb3 Qg6 19.c5 Nb8 20.cd6 Bd6 21.Nc5 Bc5 22.bc5 Nf7 23.Qb3 Kg7 (better is 23...b6!?+/–) 24.Qb7+– a6 25.Qb4 Bg4 26.h3 Bd7 (26...Bf3 27.Bf3 h5 28.g4+–) 27.c6 Be8 28.Qb7 (better is 28.Qe7+–) 28...Rd8?? (28...Nd6 29.Ne5! Qh7+–) 29.Qc7 h5 (29...Bd7 30.Qa7+–) 30.Qb7 (30.Qb7 Bd7 31.c7+–) 1–0. Fournier,Frederic – NN, jeu.europe–echecs.com (3+0), 2013.

4.e4 f5 5.ef5 Bf5 6.d4 =.

4.e4 g5 5.Qh5 Ke7 6.Bc4 Be6 7.d3 Bc4+= 8.dc4 Nc6 9.Nc3 Qe8 10.Nd5+/– Kd7 11.Qe8 Ke8?? 12.Nc7+– Kd7 13.Na8 b6 14.Ne2 Bh6 15.Rd1 Nge7 16.Nb6! ab6 17.g4 Na7 18.Ng3 Rc8 19.0–0 Rc4 20.Rd2 Nb5 21.Rfd1 Bf8 22.a4 Nd4 23.Bd4 ed4 24.Rd4 Rd4 25.Rd4 Nc6 26.Rc4 Ne5 27.Rc3 Nc6 28.b5 Ne5 29.h3 Ke6 30.Nf5 d5 31.Nd4 Kd7 32.ed5 Bb4 33.Rc6! Nc6 34.dc6 Kd6 35.Nf5 Kc7 36.Ne3 Be7 37.Kg2 h6 38.Nf5 Bf8 39.Kf3 h5 40.gh5 Kd8 41.h6 Ke8 42.h7 Kf7 43.h8Q Bg7 44.Qg7 Ke8 45.Qe7 1–0. redketchuplover (2005) – sbderkach (1665), net–chess.com, 2005.

4.Nf3 b5 5.e3 a6 6.a4 c6 7.ab5+/– cb5 8.c4 Bb7? 9.cb5+/– ab5 10.Bb5 Bc6? 11.Ra8+– Bb5 12.Nc3 Bc6 13.Ra1 Qb6 14.Qb3 Ne7 15.b5 Bf3 16.gf3 Ng6 17.Nd5 Qb7 18.b6 Na6 19.Qb5 Kf7 20.Ra6 Qc8 21.b7 Qc5 22.b8Q Be7 23.Q8b7 (23.Q8b7 Qb5 24.Qb5+–) 1–0. Michas – Rodemund, 2008.

4.Nf3 Nc6 5.e4 a6 6.Bc4+= Nh6 7.0–0 f5 8.d3 f4 9.Nc3 Qe7 10.Nd5+/– Qd7 11.Ng5 Nd8 12.Qh5+– g6? 13.Nf6 Ke7 14.Qh4 Kf6 15.Nf7 Kg7 16.Ne5! (16.Ne5 Qe6 17.Ng4 Kf7 18.Qd8 Ng4 19.Qc7 Be7 20.Bh8+–; 16.Nd8? Be7 17.Qf4 Qd8–+; 16.Nh6?! Ne6 17.Be6 Qe6 18.Qf4 Be7+/–; 16.Qh6 Kg8 17.Ne5 d5 18.Nd7 Bh6 19.Bd5 Nf7+–) 1–0. Wall,Bill – Rud,Eugene, internet, 2003.

4.g3 Be6 5.Bg2 d5 6.e4 d4 7.c3 d3 8.Qf3 h5 9.a4 Bg4 10.Qe3 Be6 11.Na3 Bb3 12.a5 Nc6 13.Bf1 Bc2 14.Nc2+– dc2 15.Bd3 Bb4? 16.cb4+– Nb4 17.Bc4 Qd7 18.Bc3 c1Q?! 19.Rc1 Nc6 20.Bb5 0–0–0 21.Bc6 Qc6 22.Bb2 Qb5 23.Bc3?? Nh6?? 24.h3 Rd7 25.Qe2 Qb3 26.Qh5 Nf7 27.Qg4 Qa3 28.Qg7 Qc1–+ 29.Ke2 Rhd8 30.Qg4 Nd6 31.Qg6 Nc4 32.Qf5 Kb8 33.Kf3 Nd2 34.Bd2 Qd2 35.Ne2?? Qd3 36.Kg4 Qe2 37.f3 Rg7 0–1. audrey – cueman, Live Game Caissa's Web, 2004.

4.c4 Be6

5.e3 c6 6.Nf3 a6 7.Be2 Ne7 8.Nc3 Nf5 9.d3 b6 10.0–0 a5 11.Qc2 Nh6 12.h3 g5 13.g4 (13.d4 g4 14.hg4 Bg4+/–) 13...Be7 14.d4 Nf7 (14...f5 15.de5 fg4 16.Nd4+/–) 15.de5 (15.d5!? Bd7 16.dc6 Nc6 17.b5+=) 15...de5 16.Rfd1 Qc7 17.b5 cb5 (better is 17...h5!? 18.Qg6 hg4 19.Ng5 fg5 20.Qe6 gh3+=) 18.cb5 Nd7 19.Rac1 Qd8 20.Qb1 (20.Nd5 Bc5+/–) 20...Rc8 21.Ne4 Nd6?? (better is 21...Rc1 22.Qc1 h5+=) 22.Nd6+– (22.Rd6?! Rc1 23.Qc1 Bd6+–) 22...Bd6 23.Rd6 Rc1 24.Qc1 Qe7 25.Qc8 Qd8 26.Re6 Kf7 27.Qd8 Rd8 28.Rd6 Ke7 29.Rd1 Nc5 30.Rd8 Kd8 31.Bc4 Nb3 32.Bb3 1–0. Fournier,Frederic (1985) – SALMANTINO (1775), Active (5/0), 2004.

5.e3 Nd7 6.Nc3 Nh6 7.Be2 Be7 8.d4 0–0 9.Qc2 Nb6 10.Ne4 c6 (10...f5 11.Nd2=) 11.Nf3 Rc8 (11...Bf5 12.Nfd2+=) 12.0–0 (12.c5 d5 13.Ng3 e4+=) 12...f5 13.Ned2 e4 14.Ne1 d5 15.g3 (15.c5 Nd7=) 15...Qe8 (15...dc4 16.Nc4 Nc4 17.Bc4 Bc4 18.Qc4 Qd5 19.Rc1+=) 16.Ng2 Nd7 17.Nf4 Bf7 18.Qb3 Nf6 19.Rac1 (19.c5 b6=) 19...Qd7 20.cd5 cd5 21.Nb1 Kh8 22.Nc3 a6 23.b5 ab5 24.Bb5 Qd6 25.Be2 Rb8 26.Nb5 Qd7 27.Rc7 Qd8 28.Rfc1 Bd6? (better is 28...Ne8 29.R7c2 Nf6+/–) 29.Nd6+– Qd6 30.a4 Rfc8?? (30...b5 31.Bb5 Qd8+–) 31.Rc8 (31.Rc8 Nfg8 32.Qa3 Qa3 33.Ba3 Rc8 34.Rc8+–) 1–0. Kingston,Zoe – Atkinson,John WH, NZCCA HT corr New Zealand, 1997.

4.e3 Be6

5.c4 Nc6 6.d4 ed4 7.Bd4 Nd4 8.ed4 =.

5.c4 Nc6 6.d4 d5 7.b5 =.

5.c4 Be7 6.Nc3 Nd7 A) 7.Bd3 Nh6 (7...Nb6 8.Qb3 Nh6 9.Nf3 a5 10.Nd5 ab4 11.0–0 ba3 12.Ra3 Ra3; 7...f5 8.Nf3 Nh6 9.Qb3 0–0 10.0–0 Nb6 11.Be2 c6 12.d4 e4) 8.Nf3 f5 9.Qb3 0–0 10.0–0 Nb6 11.Be2 c6 12.h3 a5; B) 7.Nf3 Nb6 (7...Nh6 8.d4 0–0 9.d5 Bf7 10.Be2 Nb6 11.0–0 c6 12.Rc1 Qd7) 8.Qb3 Nh6 9.Bd3 0–0 10.0–0 f5 11.Be2 c6 12.d4 e4; C) 7.Qb3 Nh6 (7...a5 8.Nf3 Nh6 9.Bd3 Nb6 10.0–0 a4 11.Qa2 0–0 12.Nd5 c6; 7...c6 8.Nf3 Nh6 9.Bd3 Qb6 10.Qc2 f5 11.Be2 0–0 12.0–0 Nf7; 7...Nb6 8.Nf3 Nh6 9.Bd3 a5 10.0–0 a4 11.Qa2 0–0 12.Nd5 c6) 8.Bd3 0–0 9.Nf3 f5 10.0–0 Nb6 11.Be2 c6 12.h3 a5.

5.c4 Be7 6.Nc3 Nh6 7.Nf3 (7.Bd3 Nd7 (7...0–0 8.Nf3 f5 9.0–0 Nd7 10.Be2 c6 11.h3 Nb6 12.Qb3 a5; 7...f5 8.Nge2 0–0 9.0–0 c6 10.f3 Nd7 11.Qc2 Qc7 12.Rfe1 Nb6) 8.Qb3 Nb6 9.Nf3 0–0 10.0–0 f5 11.Be2 c6 12.h3 a5) 7...0–0 (7...Nd7 8.d4 0–0 9.Be2 Nb6 10.d5 Bf7 11.0–0 c6 12.Rc1 Qd7) 8.d4 (8.Bd3 Nd7 9.0–0 Nb6 10.Qb3 f5 11.Be2 c6 12.a4 a5) 8...Nd7 (8...a5 9.Be2 Nf5 10.d5 Bf7 11.e4 Nd4 12.Nd4 ed4) 9.Be2 a6 (9...Nb6 10.d5 Bf7 11.0–0+= c6 12.Rc1 Qd7; 9...Bf7 10.0–0 Nb6 11.Qb3 Nf5 12.de5 de5) 10.0–0 (10.d5 Bf7 11.0–0 Nb6 12.Qd3 Qd7) 10...Qe8 (10...Nb6 11.d5 Bf7 12.Qc2 Qd7) 11.c5 (11.Nd5 Bd8 12.Qc2 c6) 11...Bf7 (11...Rc8 12.Bd3+/– (12.h3 dc5) 12...dc5; 11...dc5 12.bc5 Rd8) 12.Qc2 (12.h3 Rd8) 12...d5 (12...f5 13.de5 Ne5 14.Ne5 de5 15.e4+/–; 12...Be6+/–) 13.e4 c6 14.Rad1 (14.Rfd1 Rd8 15.h3+/–) 14...Bg6 (better is 14...de4!? 15.Ne4 f5+/–) 15.Qb3+– ed4 (15...Bf7 16.ed5 a5 17.Bd3+–) 16.Nd4 Bf7 (16...Bc5 17.bc5 Nc5 18.Qb4 Ne4 19.Ne4 (19.Qb7 Rb8 20.Qc6 Qc6 21.Nc6 Rb2 22.Ne4 de4 23.Bc4 Bf7 24.Ne7 Kh8 25.Bf7 Nf7+=) 19...Be4 20.f3+– (20.Qb7?! Rb8 21.Qa6 Rb2=)) 17.ed5 Bc5 (17...cd5 18.Bc1 Kh8+–) 18.bc5 cd5 19.Na4 Rb8 20.Bf3 (20.Rfe1 b5 21.cb6 Nb6 22.Nb6 Qd8+–) 20...Qc8 (20...b5 21.cb6 Nb6 22.Nb6+–) 21.Rc1 (21.Bd5 Kh8 22.Bf7 Rf7+–) 21...Kh8 (21...Rd8 22.Bd5 Bd5 23.Qd5 Nf7 24.Nf5+–) 22.Bd5 (better is 22.Nb6 Qc7+–) 22...Bg6 (22...Bd5 23.Qd5 Re8 24.Rfd1+–) 23.Ne6 (23.Nb6 Nb6 24.cb6 Qd7+–) 23...Re8 (23...Rf7 24.Nb6 Nb6 25.cb6+–) 24.Nb6 Nb6 25.cb6 Qd7 26.Rc7 Qd6 27.Bc1 Ng4 28.Bf4 Ne5 29.Bg3 Re7 30.f4 Re6 31.Be6 Qd4 32.Kh1 Nc6 33.f5 Be8 34.Rc6! Bc6 35.Bb8 Qd2 36.Qg3 h5 37.Bf4 Qe2 38.Rg1 (38.Rg1 Qg4 39.Qg4 hg4 40.Rc1 Bd7 41.Bd7 Kh7 42.Be8 g5 43.fg6 Kg7 44.Rc7 Kf8 45.Ba4 f5 46.Bh6 Kg8 47.Rc8#) 1–0. Pandurevic,Miro (2250) – Djermic,Ivan (2055), 14th Open, Bosnjaci CRO, 2009.

5.c4 Be7 6.Bd3 A) 6...Nd7 A1) 7.Nf3 Nh6 (7...f5 8.Nc3 Nh6 9.Qb3 0–0 10.0–0 c6 11.Be2 Bf6 12.d4 e4; 7...Nb6 8.Qb3 d5 9.cd5 Qd5 10.Qc2 0–0–0 11.Be4 Qc4 12.Nc3 Nh6) 8.Nc3 f5 9.Be2 0–0 10.0–0 c6 11.h3 Bf6 12.d4 e4; A2) 7.Qh5 Bf7 (7...Kf8 8.Nc3 Nb6 9.Nd5 Nd5 10.cd5 Bd5 11.Ne2 Nh6 12.0–0 Qe8) 8.Qf3 Nh6 9.Nc3 0–0 10.Qe4 f5 11.Qb7 Rb8 12.Qa7 Nb6; A3) 7.Nc3 f5 8.Nf3 Nh6 9.Qb3 0–0 10.0–0 c6 11.Be2 Qb6 12.d4 e4; B) 6...Nh6 B1) 7.Nf3 d5 (7...0–0 8.0–0 Nd7 9.Nc3 Nb6 10.Qb3 f5 11.Be2 c6 12.d4 e4; 7...Nd7 8.Nc3 0–0 9.0–0 Nb6 10.Qb3 f5 11.Be2 Qe8 12.d4 e4; 7...f5 8.Nc3 0–0 9.0–0 Nd7 10.h3 Nb6 11.Qb3 Qe8 12.Be2 Bf6) 8.cd5 Qd5 9.Qc2 Qb3 10.Qb3 Bb3 11.Nc3 Nc6 12.0–0 0–0–0; B2) 7.Nc3 Nd7 (7...0–0 8.Nf3 Nd7 9.h3 Nb6 10.Qb3 f5 11.0–0 Qd7 12.Be2 Bf7) 8.Nf3 0–0 9.0–0 Nb6 10.Qb3 f5 11.Be2 c6 12.d4 e4; C) 6...f5 C1) 7.Nf3 Nf6 8.0–0 0–0 9.Nc3 e4 10.Ng5 Bd7 11.Be2 h6 12.Nh3 Nc6; C2) 7.Nh3 Bf6 (7...Nh6 8.Nc3 0–0 9.0–0 Nd7 10.f3 c6 11.Nf2 Rf6 12.Kh1 Nb6) 8.Nc3 Ne7 9.f4 e4 10.Be2 0–0 11.0–0 Nd7 12.Qb3 c6; C3) 7.Nc3 e4 (7...Nf6 8.Nf3 e4 9.Nd4 Bd7 10.Be2 c5 11.Nb3 0–0 12.0–0 Nc6; 7...Nd7 8.Nf3 Nh6 9.Qb3 0–0 10.0–0 Nb6 11.Be2 c6 12.h3 a5; 7...Bf6 8.Qb3 Ne7 9.Nd5 0–0 10.Nh3 Bd5 11.cd5 e4 12.Bf6 Rf6) 8.Be2 Nc6 9.Nh3 Nf6 10.Nf4 Bd7 11.Qb3 0–0 12.0–0 Rf7.

5.c4 Be7 6.Nf3 A) 6...Nh6 A1) 7.Nc3 Nd7 (7...0–0 8.Bd3 f5 9.0–0 Nd7 10.Qb3 Nb6 11.Be2 c6 12.d4 e4) 8.d4 0–0 9.Be2 Nb6 10.d5 Bf7 11.0–0 Qd7 12.h3 c6; A2) 7.d4 a5 (7...0–0 8.Nc3 Nd7 9.Be2 Nb6 10.d5 Bd7 11.0–0 Qe8 12.a4 a5; 7...e4 8.d5 Bg4 9.h3 Bf3 10.gf3 ef3 11.Nd2 0–0 12.Nf3 Nd7) 8.Nc3 0–0 9.Be2 ab4 10.ab4 Ra1 11.Qa1 Na6 12.b5 Nb4; A3) 7.Bd3 f5 (7...Nd7 8.Nc3 Nb6 9.Qb3 0–0 10.0–0 f5 11.Be2 Qe8 12.d4 e4; 7...0–0 8.Nc3 f5 9.0–0 Nd7 10.Qb3 Nb6 11.Be2 Qe8 12.d4 e4; 7...d5 8.cd5 Qd5 9.Qc2 Qb3 10.Qb3 Bb3 11.Nc3 Nc6 12.Be4 0–0–0) 8.0–0 0–0 9.Nc3 Nd7 10.Qb3 Nb6 11.Be2 Qe8 12.d4 e4; B) 6...Nd7 7.d4 Nh6 8.Nc3 0–0 9.d5 Bf7 10.Be2 Nb6 11.0–0 c6 12.Rc1 Qd7.

5.c4 h6 6.Nf3 Ne7 7.d4 e4 8.d5 (8.Nfd2 f5+/–) 8...Bd7 (8...Bg4 9.h3 Bh5 10.Qa4 Qd7 11.Qd7 Kd7 12.Nfd2+/–) 9.Nfd2 f5 10.f3 ef3 11.Nf3 (worse is 11.gf3 Nd5 12.Qe2 Qh4 13.Qf2 Qf2 14.Kf2 Ne7+=) 11...Ng6 12.Bd3 Ne7 13.0–0 g5?? (better is 13...Rg8+/–) 14.Bh8+– Ng6 15.Bb2 Qe7 16.Nd4 Na6 (16...Qe3 17.Kh1 Kd8 18.Nf5+–) 17.Nd2 (better is 17.Nf5!? Bf5 18.Bf5 Ne5 19.Be5 de5 20.Bg6 Kd8+–) 17...Qe3 18.Kh1 0–0–0 19.Bf5 Nf4 20.Bd7 Rd7 21.Nf5 Qe8 22.Nf3 g4 23.N3d4 Ng2 24.Kg2 Qe4 25.Kg1 c5 26.Ne6 Rf7 27.Qe1 Qe1 28.Rae1 h5 29.Nd6! Bd6 30.Rf7 cb4 31.ab4 Bb4 32.Ref1 Bc5 33.Kg2 h4 34.Be5 h3 35.Kg3 (35.Kg3 Bb4 36.Rf8 Bf8 37.Rf8 Kd7 38.Bf6 Nc5 39.Rd8) 1–0. Fournier,Frederic (1745) – AntonioAlonso, Active, 2006.

5.d4 c6 6.Nd2 Nd7 7.Ngf3 d5 8.de5+/– fe5 9.Ne5 Ne5 10.Be5 Nf6 11.c4 Bd6 12.Bd4 0–0 13.c5 Be7 14.Bd3 Qc7 15.Qc2 Bg4 16.h3+– Bh5 17.g4 Ne4?? 18.Be4 Bh4 19.Bh7 Kh8 20.gh5 Bf2 21.Ke2 Qf7 22.Bg6 Qc7 23.h6 Qe7 24.hg7 Qg7 25.Qc3 (25.Qc3 Rg8 26.Raf1+–) 1–0. Aymard,Michel (2010) – Hanamitsu,Itsurou (1810), corr ICCF WSTT/3/06/3, 2006.

5.Nf3 d5 =.

5.Nf3 Ne7 6.g3 (6.Be2 d5=) 6...Qd7 7.h3 g6 8.Bg2 c6 9.Nc3 Bg7 10.d4 ed4 (10...0–0 11.e4=) 11.Nd4 Bc4 12.Qg4 d5 13.Ne6 Rg8 14.Ng7 Rg7 15.Qd4 Qe6 16.Ne2 Be2 (16...Nd7!?+=) 17.Qf6+/– (17.Ke2?! Nd7=) 17...Qf6 18.Bf6 Rf7 19.Be7 Re7 20.Ke2 Nd7 21.Rhd1 0–0–0 22.b5! Ne5 (22...cb5 23.Rd5 Deflection) 23.bc6 bc6 24.Rab1 Rf8 25.Rd4 Ref7 26.Rf4 (26.f4!? Nc4 27.Rc4 dc4 28.Rb4+/–) 26...Rf4+= 27.gf4 Nc4 28.Rb3 Kc7 29.Bf1 Rb8 30.Rb8 Kb8 31.a4 Nb6 (31...a5!?=) 32.a5+/– Nc4 33.a6 Kc7 34.Kd3 Kb6 35.Kd4 Na3? (35...Nd2 36.Be2+=) 36.c3 (better is 36.Bd3!?+–) 36...Nb5+/– 37.Bb5 Kb5 38.f3 Ka6 39.e4 Kb6 40.c4 (40.ed5 a5 41.d6+–) 40...a5?? (40...dc4 41.Kc4 Kc7+=) 41.cd5+– a4? (better is 41...Kc7+–) 42.dc6 1–0. Krikunov,Viktor (2210) – Evdokimov,Alexei (2275), Anapa op, 2007.

5.c4 Ne7

6.Nc3 d5 7.cd5 Nd5 8.Nd5 Bd5 9.d4 =.

6.d4 ed4 7.Bd4 Nbc6 =.

6.Nc3 h6

7.d4 Nbc6 =.

7.e4 Nbc6 8.Nf3 =.

7.e4 Nd7 8.Qb3 Nc6 9.Nf3 =.

7.e4 Nd7 8.Qb3 h5 9.Nf3 h4 10.Bd3 h3 11.g3 Rh5 12.0–0+= g6 13.Rae1 Bg4 14.Re3?? Bh6–/+ 15.Be2 Be3 16.fe3 f5 17.Qd1 fe4 18.Ne4 Rf5 19.Nfg5 Rf1 20.Kf1 Bf5 21.Bg4 Be4 22.Ne4 b5 23.cb5= d5 24.Ng5 a6 25.Ne6 Qc8?? 26.Bh3 ab5 27.Qg4 Ra6 28.Ng7 Kf7 29.Qd7+/– Rf6 30.Kg2 Qd7+= 31.Bd7 Kg7 32.Be5 c6 33.g4 Kf7 34.Bf6 Kf6 35.h4 g5 36.h5 Kg7 37.d4 Kh6 38.Kf3 Kg7 39.e4 de4 40.Ke4 Kf6 41.Be8 Kg7 42.Ke5 Nd5 43.Bc6 Nc3 44.d5 Kf7 45.d6 Nb1 46.Bb5 Nd2 47.d7 Ke7 48.h6 Nf3 49.Kf5 Nh4 50.Kg5 Nf3 51.Kf4 Nh4 52.a4 Ng6 53.Ke4 Nf8 54.a5 Nh7 55.a6 Nf6 56.Kf5 Ne4 57.Ke4 Kf7 58.h7 Kg7 59.d8Q Kh7 60.g5 Kg6 61.Be2 Kg7 62.Kf5 Kh7 63.Qe7 Kg8 64.g6 Kh8 65.Qf8# 1–0. NN – SuperForte, 1994.

7.e4 Nd7 8.Nf3 Nb6 9.Nd5 c6 10.Nb6 Qb6 +=.

7.e4 Nd7 8.Nf3 Nc6 =.

4.e3 Ne7

5.c4 Bf5 6.d4 =.

5.c4 g5 6.d3 Bg7 7.Nf3 0–0 8.h3 Nd7 9.Nbd2 Ng6 10.Be2 Re8 11.0–0 Rf8 12.e4 Nb6 (12...f5 13.ef5 Rf5 14.d4+=) 13.Nb3 (13.c5 dc5 14.bc5 Nd7+/–) 13...Bd7 14.d4 c6 (14...Na4 15.Bc1+=) 15.Qc2 (15.Na5 Qc7+/–) 15...Nc8 (15...f5 16.de5 g4 17.hg4 fg4 18.Nh2 Ne5 19.c5=) 16.Rad1 b6 17.de5 de5 18.c5 bc5?? (better is 18...b5+/–) 19.Nc5+– Nce7 (19...Rf7 20.Bc4 Nb6 21.Nd7 Nc4 22.Qc4 Qc7+–) 20.Nd7 Qd7 (20...Kh8+–) 21.Rd7 Rad8 22.Rd8 (22.Bc4!? Kh8 23.Ra7 h6+–) 22...Rd8 23.Rd1 Rd1 24.Qd1 a6 25.Qd8 (25.Qd8 Bf8 26.Bc4 Kg7 27.Qe8+–) 1–0. Fournier,Frederic (2040) – Chicot,Patricia (1640), Active Blind, 2007.

5.Nf3 c6 6.c4 d5 7.cd5 Nd5 8.Nc3 a5 9.Nd5 Qd5 10.Be2 (10.ba5!? Bg4 11.h3=) 10...ab4 11.ab4 Na6 (11...Ra1 12.Qa1 Bb4 13.0–0–/+) 12.0–0 (12.Bc3!?=) 12...Bb4–/+ 13.d4 e4 14.Nd2 0–0?? (better is 14...Be6+=) 15.Bc4+– Bd2 16.Bd5 cd5 17.Qd2 Bd7 18.Rfc1 Bc6 19.Bc3 Nc7 20.Ra8 Ra8 21.Ra1 Rf8 22.Bb4 Re8 23.Qc2 Rb8 24.Bd6 Rc8 25.Bc7 Rc7 26.Ra8 Kf7 27.Qc5 Kg6 28.Qd6 Rf7 (28...Rd7 29.Qe6 Rc7 30.g4+–) 29.h4 (better is 29.Qg3 Kh5 30.Qh3 Kg5 31.f4 ef3 32.Qh7 f5+–) 29...h6 (29...Rd7 30.Qe6 Rc7+–) 30.g4 Rd7 31.Qe6 (31.h5 Kg5 32.Qf4 Kh4 33.Kg2 Bb5 34.Ra1 Bf1 35.Rf1 g6 36.Rh1) 31...Rf7 32.Qf5 1–0. Fournier,Frederic – trancadis, Active, 2007.

5.Nf3 Ng6 6.c4 Be7 7.Be2 0–0 8.d3 Qe8 9.0–0 c6 10.Nbd2 f5 11.Qc2 f4 12.ef4 (better is 12.e4+=) 12...Nf4+= (worse is 12...Rf4 13.d4+=) 13.Rae1 (better is 13.Ne4!?+=) 13...Qg6–+ (13...Ne2 14.Re2 Qg6 15.c5+=) 14.Bd1?? (14.g3 Bf5 15.c5 Ne2 16.Re2 Bd3 17.Qb3 Kh8 18.cd6+=) 14…Qg2 0–1. Fournier,Frederic (1665) – cabjerez, Active, 2006.

4.e4 Nc6

5.Bc4 Nh6 6.Nf3+= Bg4 7.0–0 Bf3 8.Qf3+/– Nd4 9.Bd4+– ed4 10.Qh5 Kd7 11.d3 a6 12.Qd5+– Rc8? 13.Qb7 Ng4 14.Qd5 Ne5 15.Qe6 Kc6 16.Ba6 Rb8 17.f4 1–0. Wall,Bill – Maris Stella, internet, 2006.

5.Nf3 f5 6.ef5 Bf5 7.b5 =.

5.Nf3 Nh6 6.Bb5 Bd7 7.0–0 a6 8.Bc4 b5 9.Bd5 Rc8 10.c4 bc4 11.Bc4 Be7 12.Ba6 Rb8 13.d4 0–0 14.Bc1 Nf7 15.d5 Na7 16.Bd3 c6 17.Be3 Qc7 18.dc6 Bc6 19.Qb3 Kh8 20.Rc1 Qb7? 21.Ba7 Qa7 22.Rc6 Ng5 23.Nbd2 Rbc8 24.Rc8 Rc8 25.Qd5 Qc7 26.Ng5 Qc1 27.Rc1 Rc1 28.Nf1 fg5 29.Qa8 1–0. COMP – NN, 2003.

3.a3 Bd6

4.c4 c6 5.e3 Ne7 6.d4 0–0 7.c5 Bc7 8.Bc4 Kh8 9.d5 cd5=+ 10.Bd5 d6 11.e4 Nd5 12.Qd5 Re8 13.Ne2 Be6 14.Qb7+= Nd7 15.0–0 dc5=+ 16.Nd2 Bb6 17.Rad1 Rb8 18.Qa6 cb4 19.ab4 Qe7 20.Ba3 Qf7 21.Nc4?? Bc4–+ 22.Rd7 Qd7 23.Qc4 Bd4 24.Rc1 Rec8 25.Qb3 Rc7 26.Nd4? ed4 27.Rd1 Rbc8 28.g3? Qc6 29.Qd5 Qc3 30.Bc1?? Qb4 31.Bf4 Rc1?? 32.Rc1 Rc1 33.Bc1 h6 34.Qc6 Qe1 35.Kg2 d3 36.Qa8 Kh7+/– 37.Be3 a5 38.Qd5 a4? 39.Qa2?? Qd1 40.Qd2 Qb3 41.Bd4 a3 42.h4?? a2 43.h5?? Qc2–+ 44.Qa5 d2 45.Qc3?? Qc3 46.Bc3 d1Q 47.e5 Qd5 48.f3 f5 49.Kh3 Qf3 50.Ba1 Qg4 51.Kg2–+ Qe2 52.Kh3 Kg8 53.e6–+ Qe6 (53...Qe6 54.Bc3 f4 55.Kg2 Qc6 56.Kg1 Qc3 57.Kg2 Qg3 58.Kf1 a1Q 59.Ke2 Qe3) 0–1. dtpwaldi – faustos, internet, 2011.

4.e3 Nc6 5.Nf3 Qe7 6.Nc3 b6 7.Nb5 Qd8 8.Nd6+/– cd6 9.Nh4 Nge7 10.d4 e4 11.d5 Ne5 12.Be5 de5+– 13.d6 Ng6 14.Qh5 0–0 15.Ng6 hg6 16.Qg6 Bb7?? 17.Bc4 (17.Bc4 Bd5 18.Bd5 Rf7 19.Qf7 Kh7 20.Qh5#) 1–0. Kingog – peterlaabs12, Caissa.com, 2004.

4.e3 Ne7 5.Nf3 0–0 6.d4 ed4 7.Nd4 Be5 8.f4 Bd4 9.Bd4 Nec6 10.Bb2 d5 11.Nd2 a5 12.b5 Ne7 13.a4 c6 14.bc6 Nec6 15.c4 dc4 16.Nc4 Nb4 17.Qd8 Rd8 18.Nb6 Ra7 19.Rc1 N8c6 20.Bb5 Nd3? 21.Bd3+– Rd3 22.Nc8 Re3? 23.Kf2 Rb3 24.Na7 Na7?? 25.Bd4 Nc6 26.Bc5 Rb2 27.Kg3 h5 28.h3 g6 29.Rhe1 Kg7 30.Rcd1 Rb3 31.Kh2 Rc3 32.Bg1 Nb4 33.Rd7 Kh6 34.Rb7 Nd3 35.Re6 Nf4 36.Rf6 Ne2 37.Rbb6 Rg3 38.Rbe6 Ng1 39.Kg3 Kg5 40.Rg6 Kf5 41.Ref6 Ke5 42.Rf2 h4 43.Kh2 Kd5 44.Kg1 Kc5 45.Rf4 Kd5 46.Rg5 Ke6 47.Ra5 Kd6 48.Rf6 Ke7 49.Rh6 Kf7 50.Ra7 Kg8 51.Rb6 Kf8 52.Rb8 1–0. exp2005 – wojciechmm, internet, 2011.

4.e4 Qe7 5.c4 b6 6.c5 bc5= 7.bc5 Bc5 8.Nc3 Nc6 9.Nf3 Bd4 10.Qc2?? Bb7?? 11.Nd4 Nd4=+ 12.Nd5?? Nc2–+ 13.Kd1 Qd6 14.Kc2 Qc5 15.Bc3 Bd5 (16.ed5 Ne7–+) 0–1. slavisa99 – SirCharles, Live Game Caissa's Web, 2004.

4.e4 Ne7 5.Bc4 Ng6 6.h4 h5 7.Ne2 Nc6 8.f3 Qe7 9.d4 ed4 10.Nd4 Nd4 11.Qd4?? b6 12.Qd3 Bb7 13.Nd2 0–0–0 14.a4? Qf8 15.Bc3 Re8 16.Ba6 Ba6 17.Qa6+= Kb8 18.a5 f5?? 19.ab6+– cb6 20.Qa7 Kc8 21.Qa8 Bb8 22.Ra7 Kd8 23.Qb8 Ke7 24.Qb6 Kf7 25.0–0 Kg8 26.Qd4 Re7 27.ef5 Kh7 28.fg6 Kg6 29.Ra6 Re6 30.Re6 de6 31.Re1 Kh7 32.Qe4 Qf5 33.Qf5 ef5 34.Re7 Rg8 35.Rg7! Rg7 36.Bg7 Kg7 37.b5 Kf7 38.b6 Ke7 39.c4 Kf6 40.c5 Ke5 41.b7 Kd4 42.b8Q Kc5 43.Qc7 Kd5 44.Qd7 Ke5 45.Qe7 Kd5 46.Qd7 1–0. Slavisa2 – StillSleeping, Live Game Caissa's Web, 2004.

4.e4 Nh6 5.d4 ed4= 6.Bd4 0–0 7.Bc4 Kh8 8.Nf3 Re8 9.Nbd2 Bf4 10.0–0 d6 11.Re1 Nc6 12.Bc3 Bg4 13.b5 Ne5 14.Be5 Be5 15.Rb1= Re7 16.h3 Bh5 17.g4 Bf7 18.Bf7 Nf7 19.Nc4 Ng5 20.Nfe5 fe5–/+ 21.Qd5 Qf8 22.Rb3 (22…Nf3 23.Rf3 Qf3 24.Re3–+; better is 22.Re3!? Rb8 23.Nd2–/+). b4_player – coen, GameColony.com, 2002.

3.a3 Qe7

4.e3 Nc6 5.Nf3 b6 6.d3 Bb7 7.Be2 0–0–0 8.Nbd2 Qf7 9.0–0 g5 10.h3 (10.b5!? Na5 11.Bc3+/–) 10...h5= 11.c4 g4 12.hg4?? (better is 12.Nh4+=) 12...hg4–+ 13.Nh2 (13.Ng5 fg5 14.Bg4–+) 13...Qh7 14.f3 (14.f4 Qh2 15.Kf2 Qh4 16.g3 Qh2 17.Ke1 Qg3 18.Rf2 Rh2–+) 14...Qh2 (14...g3 15.Re1 Qh2 16.Kf1 Qh1) 15.Kf2–+ Qh4 16.Kg1 (16.g3 Qh2 17.Ke1 Qg3 18.Rf2–+) 16...g3 17.Rf2 (17.Be5 Qh2) 17...Qh2 (17...Qh1) 18.Kf1 gf2 (18...Qh1) 19.Kf2–+ Qh4 20.Kg1 Bh6 21.e4 (21.Nf1–+) 21...Be3 22.Kf1 Qh1 (22...Qf2) 0–1. Fournier,Frederic – CRISTIANCASTRO (1685), Partie evaluee, 1m + 0s, 2007.

4.e3 d5 5.d3 Be6 6.Be2 Bf7 7.Nf3 Nc6 8.Nbd2 a6 9.c4 dc4 10.Nc4 Rd8 11.Qc2 Qe6 12.0–0 Be7 13.Rad1 Nh6 14.Rfe1 0–0 15.h3 Bg6 16.Nh4 Bf7 17.e4 Nd4 18.Qd2 Ne2 19.Qe2 b5 20.Ne3 c5 21.bc5 Bc5 22.Bc1 Be8 23.Nc2 Nf7 24.Nf5 g6 25.Nh4 Bd4 26.Nd4 Rd4 27.f4 Qe7 28.Qg4 Bd7 29.Qg3 Kg7 30.Bb2 Rd6 31.Bc3 Rc8? 32.Bb4+– Qe8 33.fe5 fe5 34.Bd6 Nd6 35.Rc1 Rc1 36.Rc1 Nf7 37.Nf3 Qe6 38.Qf2 Qb3 39.Qc2 Qa3+/– 40.Qc3 Qd6 41.Ne1 b4 42.Qc7 Qe6? 43.Qc4 Qb6 44.Kh1 a5 45.Ra1 Bb5 46.Qb3 Qd4? 47.Ra5+– Bd7 48.Nf3 Qf2 49.Ra2 Qf1 50.Kh2 (50.Kh2 Qc1 51.Ra7 Qf4 52.Kh1 Bh3 53.d4+– (53.gh3?? Qf3 54.Kg1 Qe3 55.Kg2 Qa7 56.Qb4 Qa2 57.Kg1 Ng5 58.Qe7 Kh6 59.Qf8 Kh5–+; 53.Qb4?! Bg4 54.Qd2 Qd2 55.Nd2 Kf6+–)) 1–0. exp2005 – viorel66, internet, 2011.

4.e4 c6 5.Nc3 +=.

4.e4 Nc6 5.Nf3 Nh6 6.Nc3 Nf7 (6...f5 7.Nd5 Qd6 8.Bd3+/–) 7.d4 (7.Bc4 Nd6 8.Bd3 Qd8+=) 7...ed4+= 8.Nd4 Nd4 9.Qd4 Nd6? (9...c6 10.Be2+=) 10.Be2 (10.Nd5 Qd8 11.e5 fe5 12.Qe5 Be7 13.Qg7+– (13.Ne7?! Qe7 14.Qe7 Ke7+/–; 13.Qe7?! Qe7 14.Ne7 Ke7+–)) 10...a6?? (better is 10...c6+/–) 11.Nd5+– (11.Nd5 Qd8 12.Bh5 Nf7 13.Qc4 Bb4 14.ab4+– (14.Nb4?! 0–0+–)) 1–0. nbh999 (1970) – Klaus Behrmann (2045), ChessWorld.net, 2003.

4.e4 Nh6

5.Nc3 d6 +=.

5.c4 d6 6.Nc3 c6 7.Be2 g6 8.d4 Bg7 9.Nf3 0–0 10.0–0 Bg4 11.c5 Bf3 12.Bf3 (worse is 12.gf3 dc5 13.dc5 Nf7=) 12...ed4 13.Qd4 dc5 14.bc5 Nd7 15.Na4 Kh8 (15...Ne5 16.Qe3=) 16.Qb4 Rab8 17.Rac1 Nf7 18.Rfd1 Nfe5 19.Be2 f5 20.f4 Ng4 21.Bg7 Qg7 22.Qa5 Ne3 (22...Ndf6 A) 23.Qa7? Ra8 (23...Ne4?! 24.Bg4 fg4 25.Rc4+=; 23...fe4?! 24.Bg4 Ra8 25.Qb6–/+) 24.Qb6 Ra4–+; B) 23.h3 Ne3 24.Rd3 Ng2 25.Kg2 fe4 26.Re3+=) 23.Rd7!+/– Qd7 24.Qc3 Qg7 25.Qe3 fe4 26.Nc3 (26.Qe4?! Rbe8 27.Qc4 Re2 28.Qe2 Qd4 29.Kh1 Qa4 30.Qe5 Kg8 31.Qe6 Rf7 32.Qe8 Kg7 33.Qe5 Kg8 34.Qe8 Kg7 35.Qe5 Kg8 36.Qe8=) 26...Rbe8 27.Ne4 Qb2 28.Bd3 h6 29.Re1 b5 30.cb6! ab6 (30...ab6 31.f5 Decoy; 30...Qb6 31.g3 Decoy) 31.f5! g5 (31...Rf5 32.Nd6 Double attack (32.Qh6 Discovered attack; 32.Nd6 Decoy); 31...gf5 32.Qh6 Mate attack) 32.Rb1 Qe5 33.Qb6 Rf5 34.Qc6 Qd4 (34...Kg7+–) 35.Kh1 Qe5 (35...Rff8 36.Qh6 Kg8 37.Qg5 Qg7 38.Qd5 Kh8+–) 36.Qh6 Kg8 37.Bc4 Rf7 38.Nf6 1–0. Registration (2400) – LL (2185), ICC, 2003.

5.d3 Nc6 6.Nd2 (6.Nf3 d6+=) 6...d6 (6...Qe6 7.Be2=) 7.Ngf3+= Bg4 8.h3 Be6 9.Be2 Nf7 (9...d5 10.ed5 Bd5 11.c4+=) 10.c4 0–0–0 (10...f5 11.b5 Nb8 12.0–0+=) 11.Nb3 (11.b5 Nb8 12.Qa4+/–) 11...Nd4? (better is 11...f5=) 12.Nfd4 ed4 13.Nd4 Ne5 (13...Bd7 14.Bg4+–) 14.Qa4 (14.Qa4 Kb8 15.Ne6 Qe6 16.f4+–) 1–0. waycoolguy (1920) – Klaus Behrmann (2030), ChessWorld.net, 2003.

3.a3 Ne7

4.c4 b6 5.Nf3 Bb7 6.d4 ed4 7.Nd4 Ng6 8.e3 Bd6 9.Nb5 Be5= 10.N5c3 Ne7 11.f4+= Bd6? 12.Nd5?? a5 13.b5 c6?? 14.bc6?? dc6= 15.Nb6?? Qb6–+ 16.Bd4 Bc5?? 17.Nc3?? Nd7?? 18.Rb1?? Qc7?? 19.Bc5+– Nc5 20.Qh5 g6 21.Qc5 0–0 22.Nb5! Qd7 23.Nd6 Ba6 24.Be2 f5 25.0–0 Qc7 26.Qe5 Rad8 27.Qe6 Kg7 28.Qe5?? Kg8 29.Rfd1 Rd7?? 30.Qe6+– Kh8 31.Nf7 Rf7 32.Rd7 Bc8 33.Qf7 Qd7 34.Rd1 Qc7 35.c5 (35.c5 h5 36.Qf8 Ng8 37.Bc4+–) 1–0. rabelloenter (2050) – pe (2360), net–chess.com, 2006.

4.c4 d5 5.e3 dc4 6.Bc4 Ng6 7.d3 a6 8.Nf3 c6 9.0–0 b5 10.Bb3 Bg4 11.d4 Nh4 12.de5 Qd1 13.Bd1 Nf3 14.Bf3 Bf3+= 15.gf3 fe5 16.Be5 Nd7 17.Bb2 Nf6 18.Nd2 Be7 19.Rac1 Rc8 20.Ne4 Ne4 21.fe4 0–0 22.Rfd1 Rfd8 23.Rd8+– Bd8 24.f4 a5+/– 25.Kf2 ab4 26.ab4 Be7 27.Bc3 Rf8 28.Ra1 c5 29.Ra7 cb4 30.Bg7 Kg7 31.Re7+– Kf6 32.Rb7 Rc8 33.Rb5 Rc4 34.Kf3 h5 35.Rh5 Rc1 36.Rb5 Rb1 37.e5 Kf5 38.e4 Ke6 39.f5 Kf7 40.Rb7 Kg8 41.e6 b3 42.Rb8 Kg7 43.e7 b2 44.e8Q Rf1 45.Kg4 b1Q 46.Qg6# 1–0. Wall,Bill – Wizzy, Internet, 2003.

4.c4 d6 5.Nc3 Be6 6.e4 c6 7.Nf3 Ng6 8.d4 Be7 9.d5 Bg4 10.h3 Bd7 11.Qb3 0–0 12.c5 Nf4?? (better is 12...Kh8+=) 13.g3 (better is 13.dc6 Be6 14.cb7 Bb3 15.ba8Q dc5 16.Qa7 cb4+–) 13...Ng6?? (13...Nd5 14.Nd5 Be6 15.Ne7 Qe7 16.cd6 Qd6+–) 14.cd6 (14.dc6 Kh8 15.cb7 Bc6 16.ba8R Ba8+–) 14...Bd6 (14...Kh8 15.de7 Ne7+–) 15.dc6 Kh8 16.cb7 Nc6 17.ba8Q Qa8 18.Bg2 Rb8 19.0–0 Na5 20.Qc2 Nc4 21.Rfd1 Qc6 22.b5 Qc5 23.a4 f5 24.Ng5 Rf8 25.Rd5 Qb6 26.Nd1 Qc7 27.Rc1 Qa5 28.Qc4 Qe1 29.Qf1 Qb4 30.ef5 Bf5 31.Bc3 Qa3 32.Ra1 1–0. Constantin,Mathias (1865) – Dubos,Patricia, Mont de Marsan–ch, 2008.

4.d4 ed4 5.Nf3 Nbc6 6.Nd4 Nd4 7.Qd4 d5 8.e4 a5 9.Be2 de4 10.Qe4 Qd5 11.Qd5 Nd5 12.Bh5 Kd8 13.Bf3 Nb6 14.b5 Bd6 15.0–0 Bd7 16.Bb7 Rb8 17.Bf3 Bb5 18.Rd1 Ba4 19.Ra2 Bd7 20.Bc3 a4 21.Nd2 Ke8 22.Ne4= Be7 23.Bd4 Be6 24.Raa1 Kf7 25.Nc5 Bc5 26.Bc5 Nd7 27.Ba7 Rb2 28.Be4 Nb6 ½–½. Baer,Werner – Woelfelschneider,Peter, TT–13 ETC, 2004.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Ne7).

4.e3 g5 5.d4 (5.Qh5 Ng6 6.Bd3 Bg7+/–) 5...d6 (5...Ng6 6.Bd3 Qe7 7.Nc3+/–) 6.Bd3 (6.Qh5 Ng6+/–) 6...Ng6 7.Qh5 Kf7?? (7...f5 8.de5 Bg7 9.Nh3+/–) 8.de5 (better is 8.Bg6 Kg7 9.Bd3+–) 8...de5+/– 9.Bg6 (better is 9.Nf3 Bd6 10.0–0+/–) 9...Ke6?? (better is 9...hg6 10.Qe2 c5 11.bc5 Be6=) 10.Bf7 Kd6 (10...Ke7 11.Nc3 c6 12.Rd1+–) 11.Nc3 c6 (11...Kd7+–) 12.Rd1 Kc7 13.Rd8 Kd8 14.Qd1 Kc7 15.Nge2 Bd7 16.Ne4 Bg7 (16...Be7 17.N2g3 g4 18.f3+–) 17.Qd6 Kc8 18.Nf6 Rf8 19.Be5 Rf7 (19...Kd8 20.Nd4 Re8 21.Be8 Bf8 22.Ne6 Kc8 23.Qc7) 20.Qc7 1–0. Fournier,Frederic (1805) – traffic, Active, 2006.

4.e3 g6 5.Nf3 Bg7 6.Be2 0–0 7.c4 d5 8.d4 e4 9.Nfd2 f5 10.0–0 b6 11.f3 c5 12.cd5 Qd5?? 13.fe4 fe4?? 14.Rf8 Kf8+/– 15.Nc3 Qd8? 16.Nde4 Bf5? 17.dc5 Qd1 18.Rd1 Be4 19.Ne4 Bb2+= 20.cb6 ab6–/+ 21.Rd8 Kf7 22.Bc4 Kg7 23.Re8 Nec6 24.Bd5? Ra3–+ 25.Ng5 h6 26.Ne6 Kf6 27.Nc7 Bc3?? 28.Bc6 Nc6 29.Re6 Kg5 30.Rc6 Bb4 31.Rb6 Bd2 32.Rb5 Kf6 33.Nd5 Ke6 34.Nf4 Kd7?? 35.Ng6 Be3+= 36.Kf1 Ra1 37.Ke2 Bg5 38.Ne5 Kc7 39.Nf7 Kc6 40.Rf5 Ra2 41.Kf3 Ra3 42.Kf2 Ra2 43.Kg3 Ra3 44.Kf2 Bc1?? 45.Ne5 Kd6 46.Nf7 Ke6 47.Nh6 Bh6 48.Rb5 Ra2 49.Kf3 Bc1 50.Rb6 Kd7 51.g4 Rh2 52.Rb1 Ba3 53.Rb3?? Bd6 54.g5?? Rh3–+ 55.Kg4 Rb3 56.Kf5 Rb8 0–1. horacyad2010 – easytouchj, internet, 2011.

4.Nf3 d6 5.c4 Bg4 6.e3 Bf5 (6...e4 7.h3 Bh5 (worse is 7...ef3 8.hg4 fg2 9.Bg2+/–) 8.Qa4 Qd7 9.Qd7 Nd7=) 7.Nc3 c6 8.d3 b6 9.Be2 a6 10.e4 Be6 11.0–0 d5 12.ed5 cd5 13.Qb3 Qc7? (13...Nbc6 14.Rfe1+=) 14.Rfc1 (better is 14.cd5!? Bf5 15.Rac1+–) 14...Qd8 15.a4 (15.d4 e4 16.Nd2 f5+/–) 15...d4 16.Ne4 Nf5 17.b5 ab5 18.ab5 Ra1 19.Ra1 Be7 20.Ba3 Ba3 21.Ra3 0–0 22.Ra8 Qc7 23.Qa3 Nd7 24.Rf8 Nf8 25.Nfd2 Ng6 26.g3 h5 (better is 26...Qd8!?=) 27.Bh5 Bf7 28.Bg6 Bg6 29.Qa8 Kh7 30.Qc6 Qa7 31.Kg2 Ne7 32.Qd6 Nf5 33.Qb4 Ne7 34.f3 1–0. Fournier,Frederic (1905) – SALMANTINO (1690), Active (5/0), 2005.

4.g3 d5 5.Bg2 e4 6.d3= ed3 7.cd3 Nbc6 8.Nd2 Nf5 9.e3 Be7 10.Ngf3+= 0–0 11.0–0 a6 12.Rc1 d4 13.e4 Nh6 14.Qb3 Kh8 15.b5?? ab5=+ 16.Qb5 Ra5 17.Qc4 Rh5 18.Nd4 Ng4? 19.h3 Nge5+/– 20.Qa4 Bh3 21.Nc6 Nc6= 22.Bh3 Rh3 23.Kg2 Rh6 24.Qc4 Qd6 25.d4 b5?? 26.Qc6+– Qc6 27.Rc6 Bd6 28.d5 Rg6 29.Nf3 f5 30.Nh4 Rg5 31.Nf5 Bf4 32.Bg7 Rg7 33.Ng7 (33.Ng7 Kg7 34.gf4 Rf4 35.Rc7 Kf6 36.Re1+–) 1–0. baudrey – ChickenLittle, Live Game Caissa's Web, 2004.

4.Nc3 d5

5.e3 b6 6.Nf3 Nf5 7.d4 ed4 8.Nd4+= Nd4 9.ed4 Be7 10.Qh5+/– g6 11.Qd5 Qd5 12.Nd5+– 0–0?? 13.Ne7 (13…Kg7 14.Kd2+–) 1–0. Wall,Bill – Guest5371, Internet, 2003.

5.e4 d4 6.Na4 b6 7.Nf3 Bd7 8.c3+= dc3 9.Nc3 Nbc6 10.Bc4 Ng6 11.0–0 a6 12.Nd5 Nce7 13.Ne3 Bb5 14.d4 Bc4 15.Nc4 ed4 16.Nd4 Nf4 17.Qf3 c5 18.Nf5 Neg6 19.Rad1 Qc7 20.e5! b5 21.Ncd6 Bd6 22.Nd6 Ke7 23.Nb5 ab5= 24.ef6 gf6 25.g3 c4 26.gf4 Rad8 27.Rfe1 Kf7 28.Qh5 Kg7 29.f5 Ne5+/– 30.Be5 fe5 31.Qg5 Kf7 32.Qh6 Rd1 33.Qe6 Kg7 34.Rd1 Rd8 35.Rd8 Qd8 36.Qe5 Kh6 37.f4 Qd1 38.Kf2 Qd2 39.Kg3 Qd3 40.Kg4 Qd1 41.Kh4 Qd8 42.Kg4 Qd1= 43.Kh4 Qd8 44.f6 Kg6 45.Qh5 (45.Qh5 Kf6 46.Qg5 Ke6 47.Qd8+–) 1–0. gtate (2305) – fbershadski (2220), net–chess.com, 2007.

4.d4 Ng6

5.de5 fe5 6.e3 d6 7.Nf3 Be6 8.c4 Be7 9.Be2 0–0 10.0–0 Nc6 11.Nbd2 Bg4? (11...Qe8 12.Bd3=) 12.h3 (better is 12.Ne5!? Be2 13.Nc6 Bd1 14.Nd8+/–) 12...Be6 13.Qc2 Qd7 14.Rad1 Bh3 (14...Bf5 15.Bd3 a6=) 15.Ne4?? (better is 15.gh3 Qh3 16.Nh2+/–) 15...Bg2 16.Kg2 Qg4 17.Ng3 Rf3! 18.Bf3 Nh4 19.Kh2 Nf3 20.Kg2 Nh4 21.Kh2 Rf8 22.Qe2? (better is 22.Qe4 Nf3 23.Kg2–/+) 22...Nf3–+ 23.Kg2 e4 (better is 23...Bh4!? 24.Rd2–+) 24.Bd4 Nh4 25.Kh2 Rf3 26.Rd2? (26.c5 Nf5 27.a4–+) 26...Nd4 27.ed4 Bg5 (better is 27...e3 28.Rd3 Bg5 29.Rb3–+) 28.Ra2? (28.Qe4 Qe4 29.Ne4 Bd2 30.Nd2–+) 28...Bf4 29.Kg1 (29.Rg1 e3 30.Qe1–+) 29…Qh3 (29...Qh3 30.Qf3 Nf3) 0–1. Fournier,Frederic (1775) – meclena16 (1745), Active (4/0), 2005.

5.de5 Ne5 6.f4 Nc4 7.Qd4 Nb2 8.Qb2=+ Bd6 9.e3 0–0 10.Nf3 Qe7 11.Bc4 Kh8 12.Qd4? Re8 13.Kf2=+ Nc6 14.Qd3= a6 15.Re1 b5 16.Bb3 Bb7 17.Nc3 Nd8 18.Nh4 Be4?? 19.Ne4+– Qe4 20.Qe4 Re4 21.Bd5 Rf4 22.ef4 Nc6 23.g3 Rd8 24.Nf5 g6 25.Bc6 dc6 26.Nd6 cd6 27.Re7 h5 28.Rae1 Kg8 29.Re8 (29.Re8 Re8 30.Re8 Kf7 31.Rc8+–) 1–0. dennism (2100) – macedon (2065), net–chess.com, 2008.

4.e3 Ng6

5.c3 Be7 6.Qb3 d5 7.Be2 Be6 8.Bh5 Bf7 9.Bg4 c6 10.Qc2 e4 11.d3 ed3 12.Qd3 0–0 13.Nf3 b5 14.Nbd2 Nd7 15.Bh3 Nde5 16.Qe2 a5 17.0–0 a4 18.Nd4= Qb8 19.f4+/– Nc4 20.Nc4 dc4 21.Nc6 Qc7 22.Ne7 Qe7+= 23.Rae1 Qe4 24.g3 Rae8 25.Bg2+/– Qd3 26.Kf2 f5 27.Rd1+/– Qe2 28.Ke2 Ne7 29.Rd7 Nc8 30.Rfd1 Nb6 31.Rb7 Rb8 32.Rb8 Rb8 33.Bc6 Bh5 34.Bf3 Bf3 35.Kf3 h5 36.Rd6 Kh7 37.h4 g6 38.Bc1 Kh6 39.Bd2 Rb7 40.Be1 Nc8 41.Rd8 Ne7 42.Bf2 Nc6 43.Rd6 Ne7 44.e4 fe4 45.Ke4 Nf5 46.Rd5 Rb6?? 47.Bb6+– (47.Bb6 Ng3 48.Ke5+–) 1–0. euforia (1795) – guinguin, internet, 2007.

5.c4 d6 6.Nf3 Be6 7.Be2 b6 (7...a5 8.0–0=) 8.0–0 Be7 9.d3 0–0 10.Nbd2 Nd7 11.d4 c6 12.de5 fe5 (worse is 12...Nde5 13.Nd4 Bd7 14.f4+/–; worse is 12...Nge5 13.Nd4 Bf7 14.f4+/–) 13.Ne4 Nf6 14.Nf6 Rf6 15.Qc2 Qc7 16.Rad1 Raf8 17.Rd2 Bf5 18.Bd3 Bg4 19.Be2 R8f7 20.h3 Bc8 (20...Bf3 21.Bf3 Rf3 22.gf3+=) 21.Ng5+= Rf8 22.Nf3 h6 23.Bc3 c5 24.b5 Bb7 25.a4 e4 26.Bf6 Bf6? (26...ef3 27.Bd3 fg2+= (worse is 27...Bf6 28.Bg6 fg2 29.Rb1+=)) 27.Nh2+– Bg5 28.Bh5 Ne5 29.Ng4 Nd3 30.Bg6 Bc8? 31.Rd3 ed3 32.Qd3 Bg4 33.hg4 Qe7 34.Qd5 Kh8 35.Re1 Bf6 36.f4 Bh4 37.Re2 Bf6 38.Bf5 Qd8 39.Rd2 Be7 40.e4 Qc7 41.e5 de5 42.fe5 Bg5+/– 43.Rd1 Be3+= 44.Kh1 Qe7 45.e6?? Qh4 0–1. Fournier,Frederic (1660) – gpaco (1715), Active, 2006.

5.d3 d5 6.Nd2 a5 7.ba5 Ra5 8.Ne2 Bd6 9.g3 Qe7 10.Qc1 Be6 11.Bg2 c6 12.0–0 0–0 13.Nb3 Ra6 14.Nd2 Nd7 15.c4 Rfa8 16.d4 Ba3 17.c5 Bb2 18.Qb2 b5 19.cb6 Ra1 20.Ra1 Rb8 21.b7 e4 22.Ra8 Qd8 23.Rb8 Qb8 24.Nb1 Ne7 25.Nbc3 Nf5 26.Na4?? Nd6=+ 27.Nc5 Nc5 28.dc5 Qb7 29.Qb7 Nb7 30.Nd4 Bd7 31.Nb3 Kf7 32.Bf1 f5 33.Be2 Ke6 34.Kf1 Ke5 35.Ke1 g5 36.Kd2 g4 37.Bf1 h5 38.Kc3 Be6 39.Kb4 Bc8 40.Nd4 Bd7 41.Ba6 Nd8 42.Ka5 h4 43.Kb6 Kf6 44.Kc7 Ke7 45.Bb7 hg3 46.hg3 Ne6 47.Ne6 Ke6 48.Bc6 Bc6 49.Kc6 f4 50.Kb7 fg3 51.fg3 d4 52.c6 de3 53.c7 e2 54.c8Q Ke5 55.Qc1 Kd4 56.Qd2 Ke5 57.Qe2 Kd4 58.Kc6 e3 59.Kd6 Ke4 60.Kc5 Ke5 61.Qe3 Kf6 62.Qf4 Ke6 63.Qg4 Ke5 64.Qf3 Ke6+– 65.Qf4 (65.Qf4 Ke7 66.g4 Ke8 67.Kd6 Kd8 68.Qf8; 65.g4 Ke7 66.g5 Ke6 67.Qf6 Kd7 68.Qf7 Kd8 69.Kd6 Kc8 70.Qc7) 1–0. exp2005 – mosioan, internet, 2011.

5.Nf3 c5 6.c3 Bd6 7.d4 b6? 8.Be2 Bb7 9.0–0 0–0 10.h3 Bc7 11.bc5 bc5?? 12.dc5 Na6?? 13.Qb3+– Kh8 14.Qb7 Nc5 15.Qd5 Bb6 16.Nbd2 Ne7 17.Qc4 d6 18.Ne4 Nb7?? 19.Ng3+– Rc8 20.Qh4 Ng6 21.Qg4 Qe7 22.Nh4 Nh4 23.Qh4 Nc5 24.Rad1 Na4 25.Ba1 Nc3 26.Bc3 Rc3 27.Nf5 Qf7 28.a4 d5 29.Bb5 Qe6 30.Qg4 g6 31.Nh6 f5 32.Qg5?? Kg7? 33.h4 d4 34.h5?? de3 35.Bd3?? ef2 36.Kh1 e4 37.Be2 Qf6?? 38.Qd2?? g5 39.Qd7 Kh8. horacyad2010 – perjaad, internet, 2011.

4.e4 d5

5.ed5 Nd5 6.d4 ed4 '=/+' 7.Qd4 Nc6 8.Bb5 Bd6 9.Ne2 '=' Nde7 10.Qe3 0–0 '=/+' 11.0–0 a6 12.Bc4 '=' Kh8 13.f4 Nf5 '=/+' 14.Qd3 Re8 '–/+' 15.Rf3 a5 16.g4 Re2 '–+!' 17.gf5 Re8 18.Nc3 ab4 19.Nd5 Na5 20.Ba2 '–/+' c6 21.ab4 '??' cd5 '–+' 22.ba5 Ra5 23.Bc3 Ra3 24.Bd5 '??' Bc5 25.Kf1 Rc3 '!' 26.Qc3 Qd5–+ 0–1. Orev,Petar – Peev,Peicho Chonev, BUL–ch, 1963.

5.Qh5 g6 6.Qh4 =.

5.Qh5 Ng6 6.Bd3 d4 7.f4 ef4 8.Nf3 c5? 9.Nh4+– Rg8 10.Bc4 f5 11.Ng6 hg6 12.Qg6 Kd7 13.Bg8 Qh4 14.Kf1 fe4 15.Qf5 Kc7 16.Qf8 f3 17.Qg7 Bd7 18.Bd5 fg2 19.Kg2 Nc6 20.Qg3 Qg3 21.hg3 cb4 22.Be4 Re8 23.Rh4 ba3 24.Na3 a6 25.Bc6 Bc6 26.Kf2 Rf8 27.Ke2 Rf3 28.Bd4 1–0. woschkat (1995) – dennism (1800), net–chess.com, 2001.

4.e4 Ng6

5.Bc4 a6 6.Ne2 Nc6 7.0–0+= d6 8.f4 ef4 9.Nf4 Nf4 10.Rf4+/– Bd7?? 11.Qh5+– g6 12.Qf3 Ne5+= 13.Be5 fe5 14.Rg4 Qe7= 15.Rg3 Bg7 16.Nc3 Be6 17.Be6+= Qe6 18.Nd5 Kd7 19.Rf1 Rhf8+= 20.Qg4 Qg4 21.Rg4 Rf1 22.Kf1 Rf8 23.Ke2 Bh6 24.d3 Bc1=+ 25.a4 c6 26.Nb6 Kc7 27.Nc4 b5 28.ab5 ab5 29.Nd2 Ba3 30.c3 Bb2 31.Nb1 Ra8 32.Kd2 Ba3 33.Kc2 c5= 34.Na3 Ra3 35.bc5 dc5 36.Kb2 Ra8 37.Rg5= Kd6 38.Rg3 Rf8 39.Rf3 Rf3–/+ 40.gf3 h5 41.Kc2 Ke6 42.d4? ed4 43.cd4 cd4 44.f4 Kd6 45.Kd3=+ Kc5 46.f5 gf5 47.ef5 Kd5 48.f6 Ke6 49.Kd4 Kf6 50.Kc5 Kg5 51.Kb5 Kg4 52.Kc4 h4 53.Kd3 Kh3 54.Ke3 Kh2 55.Kf2 h3 56.Kf1 Kg3 57.Kg1 Kg4 58.Kh2 Kh4 59.Kg1 Kg3 60.Kh1 Kf3 ½–½. macedon (2065) – alwayslosing (1945), net–chess.com, 2008.

5.Bc4 Be7 6.Nf3 d6 7.0–0 Nf4 8.d4 Ne6 9.de5 fe5? 10.Ne5!+– de5 11.Qh5 g6 12.Qe5 Bf6? 13.Qf6+– Qf6 14.Bf6 Rf8 15.Be5 Nc6 16.Bg3 Bd7 17.Nc3 0–0–0 18.Nd5 Rde8 19.a4 Ne7 20.Rfd1 Bc6? 21.Nb6 ab6 22.Be6 Kb8 23.c4 Be4 24.Rd7 Nf5 25.Bc7 Ka8 26.Bf5 Bf5 27.Rh7 Re4 28.a5 1–0. Wall,Bill – King Joe, Internet, 2002.

5.Be2 a6 6.g3 Nc6 7.Bh5 Nce7 8.Nc3 c6 9.f4+= d6 10.f5+/– b6 11.fg6+– hg6 12.Bf3 f5 13.Qe2 Be6 14.Qe3 c5 15.ef5 gf5 16.Nh3 Rh3 17.Ba8 Qa8 18.Kf2 Nd5 19.Qg5 Nc3 20.Bc3 Rh6 21.bc5 bc5 22.d3 Qb7 23.Rab1 Qa7 24.Ba5 Be7 25.Qg7+= Rf6 26.Rb6+/– Rf7? 27.Qg8+– Bf8 28.Rd6 Qe7 29.Ra6 Rg7 30.Qe6 Qe6 31.Re6 Re7 32.Re7 Ke7 33.c4 Kd6 34.Re1 1–0. tata (2000) – alwayslosing (1945), net–chess.com, 2008.

3.a3 Nh6

4.c4 Be7 5.e3 Nf7 6.Nf3 0–0 7.d3 Kh8 8.Nbd2 d5 9.cd5 Qd5 10.Be2 a6 11.0–0 Nc6 12.Qb3 Be6 13.Qd5 Bd5 14.Rac1 Rad8 15.d4 (15.e4 Be6+=) 15...ed4 16.Nd4 Nd4 17.Bd4 Bd6 18.Bf3 Bf3 19.Nf3 Rd7 20.Rfd1 Nd8 21.Bb2 Ne6 22.Nd4 Nd4 23.Bd4 Re8 24.g3 Rde7 25.Rd2 a5 26.Bc5 Bc5 27.Rc5 b6 28.Rc4 ab4 29.ab4 Ra8 30.Rcd4 h6 31.Rd7 Rd7 32.Rd7 c5 33.bc5 bc5 34.Rc7 Ra5 35.Kg2 Kg8 36.Kf3 g6 37.Ke4 f5 38.Kd5 The isolani on c5 becomes a target 38...Ra2 39.Ke6 (worse is 39.Kc5 Rf2 40.Kd5 Rh2=) 39...Rf2 40.Kf6 g5 41.Kg6 Kf8 42.Rc5 Rh2 43.Rf5 Ke7 44.e4 g4 45.Rf7 Ke6 46.Rf4 0–1. Fournier,Frederic (1800) – Monia (1740), 3 min +1s chess16.com, 2008.

4.c4 Nf7 5.e3 Be7 6.Nf3 0–0 7.Bd3 c6 8.0–0 d5 9.cd5 cd5 10.e4 Be6 11.Nc3 d4 12.Ne2 a6 13.Rc1 b5 14.h3 Nd7 15.Rc6 Bc4 16.Bc4 bc4 17.Rc4 Nb6 18.Rc1 Rc8 19.Qb3+/– Kh8 20.g4 Nd6 21.Rc8 Qc8 22.Rc1 Qd7 23.Ng3 Rc8 24.Nf5 Bf8 25.Nd6 Bd6 26.Nh4 g6 27.Ng2 1–0. dtpwaldi – banszegi (1615), internet, 2011.

4.e3 a5 5.ba5 d5 6.d4 ed4 7.Bd4 =.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Nh6).

4.e3 Nf7 5.Be2 d5 6.Nf3 Bd6 7.d3 0–0 8.Nbd2 Be6 9.0–0 Nc6 10.c4 Qe8 11.Rc1 a6 12.Qb3 dc4 13.dc4 g5 14.Rc2 f5 15.c5?? Be7 16.Bc4 Bf6?? 17.Be6+– Qe6 18.Qc4 Qe7 19.Rd1 g4 20.Ne1 Kh8 21.Nf1 Bg7 22.Ng3 Ng5 23.Qe2 Qf7 24.Qc4 Qe8 25.Rd5 h5 26.e4 Ne7 27.Rcd2?? f4 28.Nf1?? f3 29.g3?? Nh3 30.Kh1–/+ Rd8?? 31.Rc2?? Ng8?? 32.Rd8+= Qd8 33.Nd3 Qg5 34.Qe6 Qf6+= 35.Qe5 Qg6?? 36.Qg7 Qg7+= 37.Bg7 Kg7 38.Nf4 Nf4= 39.gf4 Rf4 40.Ng3 Kg6–/+ 41.h3 h4 42.Nf5 g3 43.Kg1? Re4–+ 44.Ne3 Ne7 45.Rc4 Rc4 46.Nc4 Kf5 47.a4 Nd5 48.b5 ab5 49.ab5 Nc3 50.c6 0–1. Lipskij,Valeriy (2130) – Battalov,Bulat (2050), Czech Open B2, 2006.

4.e3 Be7

5.c4 0–0 6.d4 ed4 7.Bd4 c5 8.Bc3 cb4 9.ab4 Nc6 10.Qb3 Kh8 11.Nf3 Qb6 12.b5 Ne5 13.Ne5 fe5 14.Be5 Ng4 15.Bg3 Nf2=+ 16.Bf2 Rf2 17.Kf2 Qf6 18.Kg1 Qa1 19.Nc3 Qe1 20.Nd5 Bc5 21.h3 b6 22.Kh2 Bd6 23.Nf4=+ Bb7 24.Qd3= Be5 25.Rg1 d6 26.Kh1?? Qg3–+ 27.Qf5 g5?? 28.Bd3+/– Qh4 29.Nd5 Bd5 30.cd5 Rg8 31.g3 Qh6 32.Rc1 g4 33.h4 Bg3 34.h5 Be5 35.Rc7+/– Bg7 36.Ra7 Rf8 37.Rf7?? Rf7–/+ 38.Qf7 Qe3 39.Qf5?? (better is 39.Bf1–/+) 0–1. Wilk,K – Krynicki,H, Ustrzyki Dolne op, 1996.

5.d3 0–0 6.c4 d5 7.Nd2 c6 8.Ngf3 Bg4 9.Be2 Nd7 10.0–0 Rc8 11.Re1 a5 12.ba5 Qa5 13.Qb3 b5 14.cd5+/– Nc5 15.Qa2 cd5 16.Qd5?? Be6–+ 17.Qe6 Ne6 18.Nb3 Qb6 19.d4 ed4 20.Nbd4 Nd4 21.Nd4 Bc5 22.Rab1 Bd4 23.Bd4 Qa5 24.Bb2 Nf5 25.Bg4 b4 26.ab4 Qb5 27.e4 Nh6 28.Bc8 Rc8 29.e5 Re8 30.ef6 Re1 31.Re1 gf6 32.Bf6 Qb4 33.Rf1 Ng4 34.Bh4 Qf4 35.Bg3 Qf5 36.h3 Ne5 37.Re1 Nd3 38.Ra1 Qe4 39.Ra7 Qe1 40.Kh2 Nf2 41.Bf2 Qf2 42.Ra8 Kf7 43.Rh8 Kg6 44.Rg8 Kh6 45.Rg4 Qc5 46.Rh4 Kg7 47.Rg4 Kh8 48.Kh1 h5 49.Rg6 Kh7 50.Rg3 Kh6 51.Kh2 Qe5 52.h4 Qf4 53.Kh3 Qf5 54.Kh2 Qe5 55.Kh3 Qe1 (55...Qe1 56.Rd3 Qe6 57.Kh2 Qf6–+) 0–1. exp2005 – alfil77, internet, 2011.

5.d4 Nf7 =.

4.e4 a5

5.b5 Bc5 6.Bc4 Qe7 7.Nc3 c6 8.Qh5 Nf7 9.Nf3 Bf2=+ 10.Ke2 d5 11.Bd5= cd5 12.Kf2 de4 13.Ne4 Nd7 14.d4 ed4 15.Rhe1 Nde5 16.Ne5 fe5 17.Bd4 g6 18.Qd1 Qh4 19.Kg1+/– Bf5? 20.g3?? Qe7= 21.Bc5 Qe6 22.Nd6 Nd6 23.Qd6 Qd6 24.Bd6 Bc2 25.Re5 Kd7 26.Bc5 Rhe8 27.Rae1 Re5+= 28.Re5 Re8 29.Re8 Ke8 30.Kf2 Ba4 31.Bb6 Bb5 32.Ba5 Kd7 33.Ke3 Kc6 34.Bb4 Kd5 35.Kf4 Bd3 36.g4 h5 37.gh5 gh5 38.Kg5 Be2 39.h4 b5 ½–½. Larsen,A – Nilsson,N, Copenhagen, 2004.

5.b5 Bc5 6.h3 0–0 7.Bc4 Kh8 8.a4 f5 9.Be5 fe4–/+ 10.Bg3?? Qf6–+ 11.d4 Bd4 12.Ra3 Bf2 13.Kd2 Bg3 14.Rg3 Qd6 15.Rd3 ed3 16.Bd3 Qf4 17.Kc3 Qb4# 0–1. Luneau,Gilles – Hresc,Vladimir (2335), Toulouse op, 1990.

4.e4 d5

5.ed5 Qd5 6.Nc3 Qe6 7.Bb5 Bd7 8.Qe2 (8.Qe2 Nc6 9.Nf3=). grandmaster goldberg – gash, ChessWorld.net, 2005.

5.ed5 Qd5 6.Nc3 Qe6 7.Bd3 a6 8.Qe2 Qg4 9.f4 (9.f4 Bd6 10.fe5 Qe2 11.Nge2 Be5 12.0–0+=). NZ cricketer – gash, ChessWorld.net, 2005.

4.e4 Qe7

5.Nc3+= c6 6.Nf3 g5 7.h3 Bg7 8.b5 0–0 9.Bc4+/– Nf7 10.a4 a6 11.Qe2 ab5 12.ab5 Ra1 13.Ba1 Kh8 14.Qe3 Nd6 15.Qc5 Re8 16.Be2 cb5+= 17.Nd5 Ne4?? 18.Qe7+– Re7 19.Ne7 Nc6 20.Nc8 Nb4 21.Bd1 f5 22.Be5 Be5 23.Ne5 g4 24.hg4 fg4 25.Rh4 Nf6 26.Ng4 Ng4 27.Rg4 h5 28.Rb4 d5 29.Bh5 d4 30.Rb5 d3 31.cd3 Kh7 32.Rb6 Kg7 33.d4 (33…Kf8 34.Rb7 Kg8 35.d5 Kf8 36.d6 Kg8 37.d7 Kg7 38.d8Q Kh6 39.f4 Kh5 40.Qg5) 1–0. market (2280) – NN, GameColony.com, 2002.

5.Nf3 d6 6.Bc4 Be6 7.Qe2 Nc6 8.Nc3 Bc4 9.Qc4 0–0–0?! 10.Nd5 Qd7 11.b5 Na5 12.Qc3 b6 13.d4 c6 14.Rd1 Kb7 15.Nb4 Rc8 16.bc6 Nc6 17.Qd3 ed4? 18.Qa6 Ka8 19.Nd5 Qb7? (19...Rb8 20.Bd4 Nd4 21.Nd4 (22.Ne6!)) 20.Nb6 Kb8 21.Qb7 Kb7 22.Nc8 Kc8 23.Nd4 1–0. Wieslaw Pietrzak – J Pietrzak, Poland 2000 (W Pietrzak).

3.b5 a5

4.a4 Bc5 5.e3 d5 6.d4 Bb4 7.c3+= Qd6?? 8.cb4+– Qb4 9.Qd2 Qd6 10.de5 fe5 11.Nf3 h6 12.Be5 Qb6 13.Nc3 Bg4 14.Nd5 Qc5 15.Rc1 Qa3 16.Nc7 Kf7 17.Bd6 Qc1 18.Qc1 Nf6 19.Bc4 Be6 20.Be6 Kg6 21.Qc2 Kh5 22.Qf5 g5 23.Bf7# 1–0. Clay56 – MARYMARY, ChessWorld.net, 2010.

4.c4 Bc5 5.e3 Ne7 6.d4 ed4?? (6...Bb4 7.Nd2 ed4 8.Bd4+=) 7.ed4?? (better is 7.Qh5 Ng6 8.Qc5 de3 9.Qe3 Kf7 10.Qd2+–) 7...Bb4= 8.Nd2 0–0 9.Ngf3 d5 10.c5 Nf5 11.Be2 Re8 12.0–0 Qe7 13.Re1 Qf7 14.a3 Bd2 15.Qd2 Bd7 16.a4 c6 17.Bd3 Ne7 18.Bc3 Nf5 (18...Bg4 19.Re3+/–) 19.Qc2 g6 20.Re8 Qe8 21.Re1 Qf7 22.g4 (22.bc6!? Nc6 23.Qb3+–) 22...Ng7+/– 23.Qe2 (23.h3 Ne6+/–) 23...Kf8 (better is 23...Bg4 24.Qe3 cb5 25.Bb5 Nc6=) 24.h3+/– Be6 25.Bd2 Nd7 26.Nh4 Re8 27.Qf3 f5 28.gf5 Nf5 29.Nf5 Bf5 30.Bf5 Qf5 31.Re8 Ke8 32.Qf5 gf5 33.Ba5 Nf6 34.f3 Kd7 35.Bd2 Ne8 36.b6 Ng7 37.Kg2 Ne6 38.Be3 f4 39.Bf2 Ng7 40.h4 h5 41.Kf1 Nf5 42.Ke2 Ng7 43.a5 Ne6 44.Kd3 Kc8 45.Kc3 Kd7 46.Kb4 Kc8 47.Bg1 Kb8 48.Bh2 (48.Kc3 Kc8+/–) 48...Kc8 (48...Nd4 49.Bf4 Ka8 50.Bg3+=) 49.Bg1 Kd7?? (49...Kb8 50.Kc3+/–) 50.Bf2 (50.a6 ba6 51.Ka5 Kc8 52.Ka6 Kb8+–) 50...Kc8+/– 51.Kc3 Kd7 52.Kd3 Kc8 53.Bg1 ½–½. Fournier,Frederic (1995) – tinov (2000), Echecs21, 2003.

4.c4 Nh6 5.e3 Bb4 6.a3+= Be7 7.Nc3 0–0 8.Nf3 d6 9.d4 Be6 10.Bd3 Nd7 11.Nd5 c6 12.Ne7 Qe7 13.bc6 bc6 14.Qc2 g6 15.0–0 c5 16.de5 de5 17.Rfd1 Nb6 18.Rab1 Rfb8 19.Nd2 Nf7 20.f4 Nd7 21.Bg6!+/– hg6 22.Qg6 Kh8 23.Qh5 Kg7 24.f5 Nf8 25.Qg4+– Kh7 26.fe6 Nh6 27.Qe4 Kg7?? 28.Be5! Rb1 29.Rb1 Ra7 30.Bb8 1–0. Jacobi,Karl Heinz – Brkic,Bahrija, Lueneburg distr–ch, 1996.

4.e3 g6 5.Nf3 Bg7 6.d4 e4 7.Nfd2 f5 8.c4 c6 9.Nc3 d5 10.a4 Be6 11.cd5 Bd5 12.Nd5 cd5 13.Rc1 Nd7 14.Ba3 Bf8 15.Qb3 Ngf6 16.Be2 Ba3 17.Qa3 Qe7 18.Qe7 Ke7 19.Nb3 b6 20.Kd2 Rhc8 21.f3 Kd8 22.h3 Rc1 23.Kc1 Rc8 24.Kd2 h5 25.h4 Ke7 26.Nc1 Nf8 27.Bd1 Rc4 28.Bb3 Rc7 29.Ne2 Ne6 30.Ng3 ef3 31.gf3 f4 32.Nf1 fe3=+ 33.Ne3 Nd4 34.Nd5 Nd5 35.Bd5 Rd7 36.Bc6?? Nc6–+ 37.Ke3 Nb4 38.Kf4 Kf6 39.Re1 Nd3 (39...Nd3 40.Ke3 Ne1–+) 0–1. Boysan,Ferit – Rafael, Internet Section, 2004.

4.e4 d5 5.ed5 Qd5 6.Qh5 g6 7.Qh4 Be7 8.Nf3 Bf5 9.Nc3 Qd8 10.Bc4 g5 11.Qg3 Bd6 12.Ng1 Bc2. Pathe – Kuhlmann, 1971.

4.e4 Qe7 5.Bc4?? d6?? 6.Nc3+/– Be6 7.Nd5 Bd5 8.Bd5 c6 9.bc6 bc6 10.Bg8 Rg8 11.Qh5 g6 12.Qh3 Nd7 13.Ne2 Nc5 14.d3 Ne6 15.0–0 Rb8 16.Ba3 c5 17.Rab1 Kf7?? 18.Rb8+– Bh6 19.Rfb1 Rb8 20.Rb8 Bd2 21.Qh7 Ng7 22.Qg8 1–0. bratek55 – waldi1962, internet, 2011.

4.f4 a4 5.fe5+= Ra5 6.e4 Rb5?? (better is 6...d6 7.ed6 Bd6+/–) 7.Bb5+– c6 8.Ba4 Qa5 (8...d6 9.ed6 Bd6 10.Qh5 g6 11.Qh4+–) 9.Bb3 fe5 (9...d6 10.Qh5 g6 11.Bf7 Kd8 12.Qf3+–) 10.Qh5 g6 (10...Kd8 11.Bg8 Rg8 12.Qh7 Qb5+–) 11.Qe5 Qe5 12.Be5 Nf6 13.Bf6 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.f4 ef4 5.Nh3 Bd6 +=.

4.c4 c5

5.Nc3 d6 6.e3 Be6 7.Nf3 Nd7 8.d4 Nb6 9.d5+/– Bg4 10.h3 Bh5 11.g4 Bg6 12.Nh4 Bf7 13.Qc2 g6 14.0–0–0 Bg7 15.f4 f5 16.Qf2 ef4 17.ef4 Ne7 18.Bd3 Qd7 19.gf5 gf5 20.Kb1 Nbc8 21.Rde1 Kd8 22.Nd1 Bb2 23.Qb2 Rg8 24.Qf6 Bg6 25.Re6 Kc7 26.Rhe1 Re8 27.Ng6 hg6+/– 28.h4 a4 29.a3 b6 30.Qg5 Kb8 31.h5 gh5 32.Bf5 Rf8 33.Bc2 Ra7 34.f5 Ng8 35.Qh5 Qg7 36.Rg6 Qd4 37.Qg4 Qh8 38.Qg3 Rd7 39.Ree6 Kc7 40.Ne3 Nf6 41.Qg5 Nh7 42.Qg1 Qc3 43.Qc1 Rff7 44.Ba4 Qd4 45.Bc2 Rde7 46.Rg4 Qc3 47.Nd1 Qh3 48.Ne3 Nf6 49.Rg6 Nd7 50.Rh6 Qg3 51.f6 (51.f6 Nf6 52.Nf5+– (52.Rhf6?! Rf6 53.Nf5 Qc3 54.Rf6 Re1 55.Rf7 Kb8 56.Qe1 Qe1 57.Kb2 Qe2+/–)) 1–0. Zschalich,Arndt – Geyer,W, corr DDR–ch M776, 1985.

5.Nc3 d6 6.g3 Nd7 7.Bg2 f5 8.d3 (8.e4 fe4 9.Ne4 Ngf6+=) 8...Ngf6+= 9.Nf3 Be7 10.0–0 0–0 11.Qb3 Nb6 12.Qc2 Qe8 13.e3 Bd7 14.Nd2 Ra7 15.f4 Qg6 (15...a4 16.a3=) 16.Rae1 Ng4 17.Nf3 Bf6 (17...ef4 18.ef4 Re8 19.Qc1+=) 18.fe5 de5 19.h3 Nh6 20.e4 Qg3 (20...f4 21.Ba3 Be7 22.Ne5 Qg3 23.Qf2 Qf2 24.Rf2+– (worse is 24.Kf2 Nf7 25.Nd7 Nd7+=)) 21.ef5+/– Bf5 (21...Nf5? 22.Ba3 Rc8 23.Ne4+–) 22.Ne2 Qg6 23.Ne5 (23.Ne5 Qe8 24.Nf4+/–) 1–0. forsetinn (2355) – marekt (2135), gameknot.com, 2015.

5.Nc3 Nh6 6.Nf3 Be7 7.e3 d6 8.Be2 0–0 9.0–0 Be6 +=.

5.e4 a4 6.Bd3 d6 7.Bc2 Be6 8.d3 a3 9.Bc1 g6 +=.

5.e4 Qc7 6.a3 g6 7.Nc3 Ne7 8.Be2 Bh6 9.Nf3 0–0 +=.

5.e4 d6 6.Nc3 Be6 7.Nd5 Ne7 8.Bd3 Nd7 9.Nh3 g6 =.

5.e4 Be7 6.Bd3 d6 7.Nc3 Nd7 8.Nge2 Nb6 9.0–0 Nh6 +=.

5.e4 Ne7 6.Nf3 g6 7.Nc3 Bg7 8.Be2 d6 9.Qc2 0–0 =.

5.e4 g6 6.Bd3 Qb6 7.Nf3 Ne7 8.Be2 Bg7 9.Nc3 0–0 =.

5.e4 Nh6 6.Bd3 d6 7.Nc3 Nd7 8.Nge2 Be7 9.0–0 Nb6 +=.

4.c4 c6

5.e4 Qb6 6.d4 Bb4= 7.Nd2 ed4 8.a3 Bd2 9.Qd2 c5 10.Bd3 d6=+ 11.Ne2 Be6 12.Nf4= Bf7 13.0–0 Ne7 14.Nd5 Nd5 15.ed5 0–0 16.Rae1 Nd7 17.f4 g6 18.Re7 Qd8 19.Rfe1+= Re8 20.Re8 Be8 21.Qe2 Bf7 22.h4 f5 23.h5 Qh4 24.hg6 hg6 25.Qf2 Qf2 26.Kf2 Nf6 27.Re7 Rb8 28.Bc1 ½–½. MarcosRamos (1745) – binumer (1655), internet, 2007.

5.e4 d5 6.cd5 cd5 7.ed5 Ne7 8.Nc3 Nd5= 9.Nf3 Nb4 10.a3 Nd3 11.Bd3 Qd3 12.Qe2 Bf5 13.Rc1 Nd7=+ 14.Nh4 Qe2 15.Ke2 Be6 16.d3 Be7 17.Nf3 0–0 18.Nd2 Rfd8=+ 19.Na4 Rac8 20.Nc4 e4! 21.Na5 ed3 22.Kd2 Rc1 23.Rc1 Ra8 24.Bc3 b6 25.Nc6 Ba3 26.Nb2 Bb2 27.Bb2 Ra2 28.Rb1 Nc5 29.Nb4 Ra5 30.Nc6 Nb3 31.Kd3 Bf5 32.Kc3 Bb1 33.Na5 Na5 34.Kb4 Bd3 35.Bd4 Nc4 36.f3 Kf7 37.h4 Ke6 38.g4 Kd5 39.Bf2 Be2 40.g5 fg5 41.hg5 Bf3 42.Be1 Be2 43.Bc3 g6 44.Bf6 Kd6 45.Bd4 Kc7 46.Be5 Ne5 0–1. Esquivel,Heriberto – Rosa Bunge,J, Mar del Plata op, 1967.

4.e3 d5

5.Qh5 g6 6.Qh4 Be6 7.Nf3 Nd7 8.Be2 Nh6 9.0–0 Nf5 10.Qa4 Nc5 11.Qa3=+ Ne4 12.Qd3 Bc5 13.Nc3 Nc3 14.Qc3 Bb4 15.Qb3 Qd6 16.c4 0–0 17.cd5 Bd5 18.Bc4 c6? 19.a4?? Kh8 20.Bd5 cd5 21.Rac1 Rac8 22.Rfd1 g5 23.d4 e4 24.Nd2 Nh4 25.Rc8 Rc8 26.Nf1 Kg7 27.Rc1 Rd8 28.Bc3 Ba3 29.Rc2 f5? 30.Ba5+– Rd7 31.Ra2 Bc1 32.Rc2 Ba3 33.Ra2 Bc1 34.Rc2 Be3?? 35.Ne3+– f4 36.Ng4 f3 37.g3 Nf5 38.Ne5 Nd4 39.Qc3?? Nc2?? 40.Nc4?? d4?? 41.Nd6?? dc3–+ 42.Ne4 Rd1 0–1. elsh1403 – belaba65 (2015), internet, 2011.

5.Qh5 g6 6.Qh4 Bg7 7.c4 Be6 8.cd5 Bd5 9.Nc3 Be6 10.f4 ef4 11.Qf4 Ne7 12.Nf3 0–0 13.Bc4 Bc4 14.Qc4 Kh8 15.0–0 Nd7 16.Rad1 Nb6 17.Qb3 Qd3 18.Ne1 Qc4 19.Qc2 Rad8 20.d3 Qe6 21.Qe2 Ned5 22.Ne4 f5 23.Bg7 Kg7 24.Ng5 Qe3 25.Qe3 Ne3 26.Ne6 Kf6 27.Nf8 Rf8 28.Nf3 Nd1 29.Rd1 Rd8 30.Kf2 Nd5 31.a3? b6 32.Re1? Nf4 33.d4 Nd3 34.Ke2 Ne1 35.Ke1 g5 36.Ke2 g4 37.Nh4 Rd4 38.Ke3 Ra4 0–1. elsh1403 – fshutslonca (1645), internet, 2011.

4.e4 Bc5

5.Nc3 d6 6.Bc4 (6.Nf3 Nd7+/–) 6...Nd7+= 7.a4 Nb6 8.Bb3 Qe7 9.Nf3 Be6 10.0–0 (10.Nd5!? Bd5 11.ed5+=) 10...Bb3= 11.cb3 Nh6 12.Rc1 0–0 13.Re1 Qf7 (13...Rae8 14.h3=) 14.h3 Rac8 15.d3 Nd7 16.Qc2 Rfe8 (16...c6 17.Rb1=) 17.Rcd1 Qg6 18.Kh1 (18.Nd5 c6 19.bc6 bc6= (worse is 19...Rc6 20.Qd2+/–)) 18...c6 (18...Nf7 19.Bc1=) 19.d4 ed4 20.Nd4 Bd4 21.Rd4 Nf5 22.Rdd1 Nh4 23.f4 (23.g3 Nf3 24.Re3 Ng5 25.Rd6 Nc5 26.bc6 Nce4 27.Ne4 Ne4 28.Qc4 Kh8+=) 23...cb5= 24.ab5 (worse is 24.Rd6 Qg3 25.Qd2 Nc5–/+) 24...Nc5 25.Re3 (worse is 25.Rd6 Qg3 26.Red1 Qf4–/+) 25...Qf7 Exerts pressure on the isolated pawn 26.Qe2 (26.Rd6 Nf5 27.ef5 Re3+=) 26...f5 (worse is 26...Nb3 27.f5+/–; 26...Qb3? 27.Nd5 Ne4 28.Rb3 Ng3 29.Rg3 Re2 30.Bf6+–) 27.g3 (27.Rd6 fe4 28.Nd5 Rcd8 29.Nf6 gf6 30.Rf6 Qg7+=) 27...Ng6 28.Rd6 Qb3 29.Rd2 Qe6 30.e5 Red8 31.Rd8 Rd8 32.Ba3 Rc8 33.Kg1 h6 34.Qd2 (34.Bc5 Rc5 35.Qc2 Kh7=) 34...Qc4 Black prepares the advance a4 35.Qd6 (35.h4 Ne6=) 35...Kh7 36.Qd5 (36.h4 Ne6 37.h5 Ngf4 38.gf4 Qf4+=) 36...Ne6= 37.b6 (37.Qb7 Qd4 38.Qc8 Qe3 39.Kf1 Qd3 40.Kf2 Nd4–+) 37...h5 38.h4 (38.Qb7 Qd4 39.Qc8 Qe3 40.Kf1 h4–+) 38...a4 39.Qd1 (39.Qb7 Qd4 40.Qc8 Qe3 41.Kf1 Qf3 42.Ke1 Qg3 43.Kd1 Qd3 44.Kc1 Nd4 45.Na4 Nf4–+) 39...Qd4 40.Qd4 Nd4 41.Nd5 Nc2 (41...Rd8 42.Nc7 Nc2 43.Rc3 Na3 44.Ra3+=) 42.Rd3 Ra8 (42...Rc6 43.Kf2+/–) 43.Kf1 Kg8 44.Nc7 Ra5 45.Ke2 Na3 46.Ra3 Ne7 47.Kd3 Nc8 48.Kc4 Nb6 49.Kb4 Ra7 50.Kb5 Na8 (50...Nc8 51.Ra4 Ra4 52.Ka4+=) 51.Na8+/– Ra8 52.Ra4 Rd8 53.Ra7 Kf8 (53...Rd5 54.Kb6+/–) 54.Kc5 (54.Rb7 Rc8 55.Kb4+/–) 54...Rb8? (better is 54...Rd7+=) 55.Kd6+– b5 56.Kc7 Re8 57.Ra5 b4 58.Rb5 Re7 (58...Ke7 59.Rb4 Ra8 60.Rb7+–) 59.Kd6 Kf7 60.Rb4 Re6 61.Kc5 Re7 62.Rb6 Rc7 63.Kd6 (63.Kd6 Re7 64.Rb8 Re6 65.Kd5+–) 1–0. calabuig (1975) – marekt (2135), gameknot.com, 2015.

5.Bc4 b6? 6.Qh5 g6 7.Qh4 Qe7 8.Ne2 d6 9.Nbc3 Be6 10.Nd5 Bd5 11.Bd5 Ra7 12.0–0 h5 13.Kh1 g5 14.Qg3 h4 15.Qb3 Nh6 16.d4 ed4 17.Nd4 Ng4 18.Nf5 Qd7 19.h3 Nf2? 20.Rf2! Bf2 21.Bf6 c5 22.Bh8 g4 23.hg4 h3 24.Qh3 Qh7 25.Rf1 Qh3 26.gh3 Bd4 27.Nd6 Ke7 28.Nf5 Ke8 29.Bd4 cd4 30.Nd4 Rh7 31.Kg2 Nd7 32.Bc6 Kd8 33.Bd7 Kd7 34.Nf5 Ke6 35.h4 Ke5 36.Re1 Kf4 37.e5 Kg4 38.Nd6 Re7 39.Nc4 Kh4 40.Nb6 Kg4 41.Nd5 Re6 42.b6 Kf5 43.b7 Re8 44.c4 Rb8 45.Rb1 Ke5 46.Rb5 Kd6 47.Ra5 Rb7 48.Kf3 Rf7 (48...Rf7 49.Ke4 Kc6+–). bratek55 – dtpwaldi (1655), internet, 2011.

5.Bc4 Qe7 6.Nf3 d6 7.Nc3+= c6 8.0–0 Be6 9.Qe2 a4 10.a3 Qf7 11.Be6 Qe6 12.Nd1 Ne7+= 13.c3 0–0 14.d4 Bb6 15.Rb1 Nd7 16.c4 cb5 17.cb5 Ng6 18.d5 Qg4 19.Re1 Nf4–/+ 20.Qf1 f5 21.Ne3? Be3–+ 22.Re3 fe4 23.Nd2 Nc5 24.h3 Qf5 25.g4 Qg6 26.Qc4 Rac8 27.Bc3 Ncd3 28.Qa4 Rc3 29.Ne4 Nc5 (29...Nc5 30.Nc3 Na4–+) 0–1. Agrest,Roman (2050) – Akvist,Hakan (2045), Goeteborg sen. SWE–ch Senioren, 2005.

5.Bc4 Qe7 6.Nf3 d6 7.d4 ed4= 8.0–0 Bg4 9.Bd4 Nd7 10.Nc3 c6 11.Be2 Nh6 12.Bc5 Nc5 13.Nd4 Bd7 14.Bc4 Nf7 15.a4 0–0 16.Re1 Rae8 17.Qd2 Qd8 18.Rad1 Bg4 19.f3 Be6 20.Ne6 Ne6 21.Bb3 Qb6 22.Qe3 Qe3 ½–½. Agrest,Roman (2050) – Malmdin,Nils Ake (2260), Goeteborg sen. SWE–ch Senioren, 2005.

5.Nf3 Ne7 6.Bc4 d6 7.d4+– Bb6 8.0–0 Bg4 9.c3 Nd7 10.a4 g5 11.Nbd2+– Bh5 12.h3 Bf7 13.Bf7 Kf7+/– 14.Nc4 h5 15.Qb3 Kg7 16.Nb6 Nb6 17.g3 Qd7 18.Kh2 Ng6=+ 19.de5 de5 20.Rfd1 Qf7 21.Qf7 Kf7 22.Nd2 Rhd8 23.c4 Rd3 24.c5 Nd7 25.Ba3 Rd8–/+ 26.Nc4 Nc5 27.Rd3 Rd3?? 28.Bc5+– Rc3 29.Na5 Rc5 30.Nb7 Rc2 31.a5 Ne7 32.a6 Nc8 33.a7 Nb6 34.a8Q Na8 35.Ra8 Rf2 36.Kg1 Rb2 37.Rc8 Rb5 38.Rc7 Kg6 39.Nc5 Rb1 40.Kf2 Rb2 41.Kf3 Rh2? 42.Nd7 f5 43.Rc6 Kf7 44.Ne5 (44.Ne5 Kg8 45.ef5 g4 46.hg4+–) 1–0. Etmans,Maarten (2210) – Mostertman,Loek (2100), Open Dutch Champ, Dieren NED (6), 2004.

4.e4 c6

5.c4 a4 6.a3 g6 7.d4 ed4 8.Qd4 c5 9.Qd5 d6 10.Nf3 Ne7 11.Bf6 Nd5= 12.Bd8 Bg7 13.e5 0–0 14.cd5= Rd8 15.Nbd2 de5 16.Ne4 Re8 17.Rd1 Bf5 18.Nfd2 Nd7 19.Nd6 Reb8 20.Bc4 Nb6 21.0–0 Bf8+= 22.Nf5 Nc4? 23.Nc4 gf5 24.Ne5 Rd8 25.Nc4 1–0. Borrmann,Fritz – Schiffke, CiF, 1985.

5.d4 ed4!? 6.Qd4 Qe7 +=.

5.d4 Bd6 6.de5+/– Be5 7.Be5 fe5 8.Qh5 Kf8 9.Qe5 d5 10.Nc3 Nd7 11.Qf4 Qf6 12.Nge2 de4 13.Ne4 Qf4 14.Nf4 Ngf6 15.Nd6 Ke7 16.Nf5+– Kf7 17.Bc4 Kf8 18.Ne6 Ke8 19.Nc7 Kd8 20.Na8 1–0. market (2190) – apitka (2020), GameColony.com, 2002.

3.b5 a6

4.a4 b6 5.e3 Bb7 6.Qh5 g6 7.Qh4 ab5 8.ab5 Ra1 9.Ba1 d5 10.f4 Bd6 11.Nf3 Nd7 12.Be2 Ne7 13.0–0 0–0 14.fe5 Be5 15.Ne5+/– Ne5? 16.Rf6+– Nf5 17.Rf8 Qf8 18.Qf4 Nf7 19.Qc7 Qe7 20.Qb6 d4 21.Bd4 Nd4 22.Qd4 Qg5 23.Qg4 Qe5 24.Bf3 Bf3 25.Qf3 Qb5 26.Nc3 Qb2 27.Qa8 Kg7 28.Qe4 Qc1 29.Kf2 Qd2 30.Ne2 Ng5? 31.Qd4 (31.Qd4 Qd4 32.ed4 (< 32.Nd4 Kf6+–) 32...Ne4 33.Ke3+–) 1–0. elsh1403 – april7, internet, 2011.

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

4.a4 Nh6 5.e4= d5 6.ed5 Qd5 7.Nc3 Qf7 8.Nf3 Bb4 (8...Bg4 9.Be2 Qg6 10.Nd5=) 9.Bd3 (9.Ba3 Ba3 10.Ra3 0–0=) 9...0–0 10.Qe2 c5 (10...ab5 11.Qe4 (11.ab5?! Ra1 12.Ba1 Bf5=; 11.Nb5?! Na6=; 11.Bb5?! Be6=) 11...Qg6 12.Qb4 Qg2 13.Ke2+–) 11.Ne4 ab5 12.Bb5 (12.Nd6 Qd7 13.Nc8 Rc8 14.Bb5 Qf5+=) 12...b6 (12...Bd7 13.Nd6 Qe7 14.Nb7 Bb5 15.Qb5=+) 13.Nd6+= Qe7 (13...Qd5 14.Bc4 Be6 15.Bd5 Bd5 16.Qd3+–) 14.Nc8 Rc8 15.0–0 Nf7 16.Nh4 (16.c3 Ba5+/–) 16...Rd8 (16...Nd6 17.Qf3 e4 18.Nf5–+) 17.Nf5 Qc7 18.f4 (18.Qg4 Nd6 19.d3 Ra5=) 18...g6 (18...Rd2 19.Qe4 Ra5 20.Rae1=+) 19.fe5 (19.Qf3 Ra7 20.fe5 gf5 21.e6=+) 19...gf5=+ 20.Rf5 (20.Qf3 Nd7 21.e6 Ng5+–) 20...c4 (20...Rd2 21.Qe4 Ra5 22.Rf6 Qa7=) 21.Bc4 (21...Rd2 22.Qg4 Kh8 23.Bf7 (23.ef6?! Bc5 24.Kh1 Bf8+=) 23...Bc5 24.Kh1 Qf7 25.e6 (25.Rf6?! Qe7+–) 25...Ra4 26.Ra4+– (26.ef7 Rg4 27.Bf6 Rg7 28.Rc5 Rd8+–); 21.Qc4!? Qc4 22.Bc4 Bc5 23.Kh1+/–) 1–0. Benassi,Aspasio (2085) – Prochazka,Dalibor (2245), WC.2001.F.00002, 2001.

4.c4 c5 5.a4 b6 6.e4 d6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3+= Nd7 10.Nc3 Ne7 11.g4 Ng6 12.Nd5 Nh4 13.Qg3 g5 14.Be2 Bg7 15.d3 Nf8 16.0–0–0 Ne6= 17.Kc2 Nf4 18.Nf4 ef4=+ 19.Qg1 0–0 20.Ra1 ab5 21.ab5 Ra1 22.Qa1 Qa8 23.Qa8+/– Ra8 24.Bd1 Kf7 25.Kb3 Ng2 (25...Ke7 26.d4+=) ½–½. Fournier,Frederic – Chalvet,Philippe, Lamorlaye, 1994.

4.c4 d5 5.e3 c6 6.a4 ab5 7.cb5 Be6 8.Nc3 c5 9.f4 Bd6 10.fe5 Be5 11.Nf3 Bd6 12.Qb3 c4 13.Qc2 Ne7 14.Nd4 Bf7 15.Be2 0–0 16.0–0 Qc7 17.h3 Nd7 18.Nf5 Nf5 19.Qf5 Be5 20.Nd5?? Bd5–+ 21.Ba3?! Rfe8 22.Rac1 Be6 23.Qh5 Ra4 0–1. elsh1403 (1695) – okena (1705), internet, 2011.

4.e3 a5 5.a3 d5 6.d4 e4 7.c4 b6 8.Qh5+/– g6 9.Qd5 Qd5 10.cd5 Bh6 11.Nc3 Ne7 12.Bc4 Bb7 13.Ne4 0–0?? 14.d6 Kh8 15.de7 Re8 16.f3 Bg7 17.d5 Re7 18.Ne2 f5 19.Bg7 Kg7 20.Ng5 Re3 21.Ne6 Kf7 (21...Kf6 22.Nc7 Ra7 23.Kd2+–) 1–0. Korsvold,Jon_Egil – Fotland,Oyvind Angel, Vadsosjakken, Klasse C, 2003.

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

4.e4 c6 5.bc6 dc6 6.Nf3 Nd7 7.d4 Bb4 8.c3 Ba5 9.Nbd2 b5 10.Nb3 Ne7 11.a4 b4 12.Na5 Qa5 13.Nd2 bc3 14.Nc4 c2 15.Na5 cd1Q 16.Rd1 Rb8 17.Ba3+– Nb6?? 18.Be7 Na4 19.de5 Nc3 20.Rd8 Kf7 21.Rh8 Rb1 22.Kd2 Ne4 23.Kc2 Ra1 24.Bc4 Ke7 25.Nc6 Kd7 26.Ra1 Kc6 27.Rc8 Kd7 28.Rf8 fe5 29.Rf7 Kc6 30.Ra6 Kc5 31.Kd3 Ng5 32.Rc7 Kb4 33.Rb6 Ka3 34.Ra7# 1–0. Taulien,Hans_Juergen (2350) – Boese,Fee (1945), remoteschach.de, 2002.

4.a4 a5

5.e3 c6 6.Nf3 cb5 7.Bb5+= b6? 8.0–0 Ba6? 9.Ba6 Na6+/– 10.d4 e4+= 11.Nfd2 f5 12.f3+/– ef3 13.Qf3 Nf6 14.Qf5 g6?? 15.Qf6 Qf6 16.Rf6 Nb4 17.Na3 Be7 18.Rf3 Nd5 19.e4 Nf6 20.d5 Rf8 21.Raf1 g5 22.Bf6 Ba3 23.Bg5 h5 24.Nc4 Rb8 25.Na3 d6 26.Rf8 Kd7 1–0. valpa – footyhead, playchess.de, 2002.

5.e4 b6 6.Bc4 Bc5 7.d4 ed4 8.Qh5 g6 9.Qd5 Qe7 10.Qa8 Qe4 11.Qe4 Ne7 12.Bd4 Bd4 13.Qd4 Rf8 14.Ne2 c5 15.Qd6 Bb7 16.Qb8 Bc8 17.Qb6 d5 18.Bd5 Nd5 19.Qc6 Kf7 20.Qd5 Be6 21.Qc5 Rc8 22.Qa7 Ke8 23.Qh7 g5 24.Nd4 Bf7 25.0–0 Rc7 26.Re1 Kd8 27.Nc6 Kd7 28.Qf7 Kc8 29.Qg8 Kb7 30.Qb8# 1–0. pcmvr (2830) – samantho (1920), net–chess.com, 2014.

4.a4 ab5

5.ab5 Ra1

6.Ba1 b6 7.c4 Bc5 8.e3 Ne7 9.d4 ed4 10.Bd4 Bd6 11.Nf3 Nf5 12.Bd3 Nd4 13.Nd4 0–0 14.Qb3 Kh8 15.Nf5 Be5 16.Nc3 g6 17.Nd4 Qe8 18.Nd5?? Bd4–+ 19.0–0? Be5 20.f4 Bd6 21.Qb2 g5! 22.Nf6 Qf7?? 23.Nh7 Qg7 24.Qc2?? Rf7 25.Ng5+= Re7 26.e4 Bc5 27.Kh1 d6 28.e5 de5 29.Nh7? Nd7 30.fe5 Re5 31.Nf8? Nf8 32.Rf8 Bf8 33.h3 Re1 34.Kh2 Bd6 35.g3 Qg3 0–1. iczker – antonioag, internet, 2011.

6.Ba1 Bc5 7.d4 Bb4 8.c3 Ba5 0–1. pcmvr (2450) – sagaz (2235), net–chess.com, 2006.

6.Ba1 Qe7 7.c4 Qb4 8.e3 Qa5 9.Nc3 Bb4 10.Nd5 c6 11.Nb4 Qb4 12.Nf3 cb5 13.cb5 d5 14.Be2 Ne7 15.Bc3 Qc5 16.0–0 Be6 17.Qb1 0–0 18.Bb4 Qc7 19.Rc1 Qd7 20.Qb2 Rc8 21.Rc8 Qc8?? 22.Qc3 Qc3= 23.dc3 Nc8 24.Nd2 Nb6 25.Nb3 N8d7 26.Nc5 Kf7 27.Nb7+/– f5 28.Bd3 e4 29.Be2 Ne5 30.f3 g6 31.Nd6 Kf6 32.Ne8 Kf7 33.Nc7 Bd7 34.Bc5 Nec4? 35.Bc4 Nc4 36.Nd5 Be6? 37.Nc7 Ne5 38.b6 Nc6 39.b7 Bd7 40.Bd6 Nb8 41.Nd5 Bc6 42.Bb8 Bb7?? 43.c4+– Ke6 44.Nf4 Kd7 45.fe4 Kc6 46.Kf2 Kc5 (46...Kc5 47.e5 Kc4+–). j1a9n55 – prety, internet, 2011.

6.Ba1 c6

7.Nc3 d5 =.

7.c4 Qa5 8.Nc3 Bc5 (8...Bb4 9.Nf3=) 9.Qa4 (9.Ne4 Bb4 10.c5 Ne7=) 9...Qb6 (9...Qa4 10.Na4 d6 11.Nf3=) 10.e3+= Ne7 11.Ne4 0–0 (11...cb5 12.cb5 d5 13.Nc5 Qc5 14.Bb2+=) 12.Nc5 (12.d4 ed4 13.Nc5 Qc5 14.Bd4 Qf5+=) 12...Qc5 13.d4 ed4 14.Bd4 Qd6? (better is 14...Qf5 15.Qd1 d5+=) 15.c5+– Qc7 16.Bc4 (better is 16.b6!? Qd8 17.Qa7+–) 16...Kh8+/– 17.b6 Qd8 18.Ne2 (better is 18.Qb4!?+–) 18...d5+= 19.cd6 Qd6 20.0–0 Nd7 21.Rb1 (21.Ng3!? c5 22.Ne4 Nb6 23.Bc5 Qc5 24.Nc5 Na4 25.Na4=) 21...c5+= 22.Qa3 Rd8 (22...Nf5 23.Bc3 Nb6 24.Bb5=) 23.h3 (23.Nc3!?+/–) 23...Nf5= 24.Bc3 Nb6 25.Bb3 Qc6 26.Ba5 (26.Rc1 c4 27.Bd4 Be6 28.Bb6 Qb6 29.Bc4 Bc4 30.Rc4 Qe6+=) 26...Nh4+= 27.Nf4? (better is 27.f3 Rd3 28.Bb6 Qb6 29.Nf4=) 27...g5–+ 28.Bd5 (28.Ba4 Na4 29.Bd8 gf4 30.f3–+) 28...Nd5 29.Bd8 Nf4 (29...gf4?! 30.e4 Nb4 31.Qc1–+) 30.Bf6 Qf6 (better is 30...Kg8 31.f3 Nfg2 (31...Qf6?! 32.ef4 Qd4 33.Kh1–/+) 32.Qb3 c4–+) 31.ef4+= gf4 32.Qc5 Qf5?? (32...Bh3 33.Rb7 Nf3 34.Kf1 Qa1 35.Ke2 Qa6 36.Kd1 Qf1 37.Kc2 Bf5 38.Kb2 Qb1 39.Ka3 Qd3 40.Kb4 Qe4 41.Ka3 Qd3 42.Kb4 Qd2 43.Ka3 Qd3=) 33.Qc3?? (better is 33.Qd4 Kg8 34.Qd8 Kf7 35.Rc1 Nf3 36.gf3+–) 33...Kg8= 34.Re1 (34.Rd1 Be6 35.Qc7 Ng6=) 34...Bd7 (34...Be6 35.Qc7 Qd5 36.Qb8 Kg7 37.Qe5 Qe5 38.Re5+=) 35.Qb3= Kf8 36.Qb7 Qf7?? (better is 36...Qb5 37.Qb5 Bb5=) 37.Qb4+– Kg8 38.Re7 Qf8 (38...Qf5 39.Qb2 Nf3 40.Kh1 Qf8 41.Qb3 Kh8 42.Rd7 Ne5+–) 39.Qc4 Kh8 40.Qd4 Kg8 41.Qd7 Ng6 42.Re8 Qe8 43.Qe8 Kg7 44.f3 1–0. Lein,Marina – Vanchikova,Dulma, Seniors Russian Championship Women, 2009.

7.c4 d5 8.e3 Nd7 9.Nc3 Nc5 10.d4 ed4 11.ed4 Qe7 12.Be2 Nd7 13.cd5 cd5 14.Nd5+/– Qa3 15.Nf3+– Qa5 16.Bc3 Qa7 17.0–0 b6 18.Bc4 Bd6 19.Re1 Kf7 20.Nb6 Kg6 21.Nc8 Bh2 22.Nh2 Qa8 23.Qg4 (23.Qg4 Kh6 24.Nd6 Qd5 25.Bd5 g5 26.Nf7 Kg7 27.Qd7 Ne7 28.Qe7 Re8 29.Nd6 Re7 30.Re7 Kf8 31.Re8 Kg7 32.Rg8 Kh6 33.Nf5 Kh5 34.g4#) 1–0. Fredek (2090) – Guest441950, Freundschaftspartie, 5m + 0s, 2005.

7.e3 Bb4 8.Bc3 Bc3= 9.Nc3 Ne7 10.Qh5 g6 11.Qe2 d5 12.d4 Qa5 13.Qd2 Qa1 14.Qd1?? Qc3–+ 15.Qd2 Qd2 16.Kd2 0–0 17.Be2 h5 18.c3 e4 19.f3 f5 20.c4 cb5 21.cb5 Bd7 22.Nh3 Nc8 23.Nf4 Ne7?? 24.Rc1?? Rc8–+ 25.Rg1 Kg7 26.h3 Kh6 27.g4 hg4 28.hg4 ef3 29.Bf3 Bb5 30.Rh1 Kg5 31.Ne6? Kf6 32.Nc5 Bc6 33.gf5 Nf5 34.Bg4 b6 35.Bf5 gf5 36.Nb3 Ba4 37.Nc1 Rc2 38.Kd3 Kg5 39.Ne2 Nc6 40.Rb1 b5 41.Nf4 Ne7 42.Ne6 Kg4 43.Rg1 Kf3 44.Ng5= Kf2 45.Rh1?? Kg2–+ 46.Rh7 Nc6 47.Rf7 Nb4 0–1. makaveli1982 – jamesbrain, internet, 2007.

7.e3 c5 8.c4 Bd6 9.Be2 Ne7 10.d3 Qa5 11.Nd2 0–0 12.Ngf3 g5 13.0–0 h5 14.d4 b6? 15.Qc2?? ed4 16.ed4 g4 17.Nb3 Qa7 18.d5?? gf3=+ 19.Bf3 h4 20.Qe4 Qa4 21.Nd2 Qa2? 22.Rd1?? Qa4?? 23.Qh4?? Ng6 24.Qe4?? f5= 25.Qd3 Bf4 26.Nf1 Ne5 27.Be5= Be5 28.Be2 d6=+ 29.Qe3 f4 30.Qd3 Bf5 31.Qd2 Qb3 32.Rc1 Bb2 33.Bd1? Qb4 34.Qb4? cb4 35.Bc2 Bc1 0–1. valpa – footyhead, playchess.de, 2003.

7.e3 c5 8.Be5!? d6 9.Bf4 +/–.

7.e3 Bc5 8.Nf3 e4 9.d4 Bb4 10.Nfd2 Bd2 11.Qd2 Ne7 12.Be2 Qb6 13.c4 d6 14.Nc3 Be6 15.0–0 0–0 16.f3 ef3+= 17.Rf3 d5 18.cd5 Nd5 19.Rf1 Nc3 20.Bc3 cb5 21.Bb4 Rf7 22.Rc1 h6 23.Rb1 Nc6 24.Bc5 Qa5 25.Qa5 Na5 26.Rb5 Nc6 27.Ba3 f5?? 28.Bf3?? f4? 29.Bc1 fe3+= 30.Be3 Nd8 31.Rb6 Re7 32.Bd2 Rd7 33.Bc3 Bd5 34.Bg4 Rc7 35.Ba5 Rc4?? 36.Rd6+– Nc6 37.Rd5 Na5 38.Ra5 Rd4 39.Be6 Kf8 40.Ra7 b5 41.Rf7 Ke8 42.Rg7 Rd6 43.Bb3 b4 44.Rb7 Rd4 45.g3 Kf8 46.Rh7 Rd6 47.Rf7 Ke8 48.Rb7 Rd1 49.Kg2 Rb1 50.Rb4 Ke7 51.Re4 Kf6 52.Ba4 Kg5 53.h4 Kf5 54.Rc4 Ra1 55.Bc2 Kf6 56.Rc5 Ra2 57.Kf3 Kg7 58.Be4 Kf6 59.Kf4 1–0. valpa – Handkaes, playchess.de, 2003.

7.e3 d5 8.c4 Be6 9.Qa4 dc4 10.bc6 Nc6 11.Bc4 Bc4 12.Qc4 Bb4 13.Ne2 Nge7 14.Nbc3 Rf8 15.Qa2 Qa5 16.Qa5 Na5 17.0–0 Kf7 18.d4 ed4 19.Nd4 Rc8 20.Ncb5 Kg8 21.g3 Nac6 22.Rb1 Nd4 23.Bd4 Bc5 24.Bc5+/– Rc5 25.Nd6 Nc8 26.Nc8 Rc8 27.Rb7 (27.Rb7 Rc5 28.Kg2+/–) 1–0. Krafzik,Joachim (1840) – Scheuerlein,Gerhard (1680), 18sen.Bay.EM2006 Schney op, 2006.

7.e3 d5 8.c4 Be6 9.cd5 Bd5 10.Nc3 Be6 11.Nf3 Ne7 12.Be2 Nd5 13.0–0 Be7 14.Qa4 Nc3 15.Bc3 0–0 16.d4 e4 17.Nd2 Bd5 18.Bc4 f5 19.g3 Kh8 20.Be2 Nd7 21.Ra1 Nf6 22.Nc4 Bc4 23.Bc4 Nd5= 24.Bd2 Nb6 25.Qb3 Nc4 26.Qc4 Qd5 27.Qd5+= cd5 28.Ra7 Rb8 29.Ba5 Bd6 30.Bb6 Kg8 31.Kf1 Kf7= 32.Ke2 Ke6 33.Bc5 Kd7 34.Kd2 Kc7 35.Kc3 g5 36.Kd2 Rd8 37.Ra2 Kd7 38.Bb6 Rc8 39.Ra7 Rb8 40.f4? (better is 40.h3=) ½–½. Krafzik,Joachim – Ruth,W, Bad Wildungen, 2004.

7.e3 d5 8.c4 Be6 9.Nf3 dc4–/+ 10.bc6 bc6 11.Qc2 Qa5 12.Bc3 Qb5 13.d4 Bb4 14.de5+= fe5 15.Nbd2 Nd7 16.Bb4 Qb4 17.Bc4 Bc4 18.Qc4 Qc4 19.Nc4 e4 20.Nd4 c5 21.Nc6 Ngf6 22.Nd6 Kf8 23.Ke2 g6 24.Ra1 Kg7 25.Ra7+– Kh6? 26.Nf7 Kg7 27.Nfe5 Rc8 28.Nd7 Nd7 29.Rd7 Kh6 30.Ne5 c4 31.Nf7 Kh5 32.Nd6 Rc6 33.Rh7 Kg5 34.Ne4 Kf5 35.Re7 c3 36.f4 c2 37.Re5 Kg4 38.Nf2 Kh4 39.g3# 1–0. wiking – solo, queenalice.com, 2009.

7.e3 d5 8.d4 Nd7 9.c4 =.

6.Ba1 d5

7.e3 Bd6 8.c4 Be6 9.cd5 Bd5 10.Nc3 Be6 11.Qa4 Nd7 12.Nf3 Ne7 13.d4 0–0 14.Bc4= Bf7 15.0–0 Qe8 16.Rd1 Nb6 17.Bf7 Qf7 18.Qc2 Qc4 19.Nd2 Qe6 20.Nce4 Rc8 21.Nf3 Qc4 22.Qb1 Ng6 23.h3 Ra8 24.de5 Be5 25.Be5 Ne5 26.Ne5+/– fe5 27.Ng5 e4?? 28.Rd4+– Qa2 29.Qa2 (29.Qa2 Kh8 30.Qa8 Na8 31.Rd8#) 1–0. Novikov,Konstantin Ivan (2225) – Grinkevich,Sergey (2255), Rassadnev mem, 2006.

7.e3 Bd7 8.Qh5 (8.d4 ed4 9.Bd4 Bf5=) 8...g6 9.Qd1 Qe7 (9...Bf5 10.d4 Nd7 11.de5 Ne5 12.b6=) 10.c4 (10.Nc3 Be6=) 10...dc4=+ 11.Bc4 (11.Qa4 Bf5 12.b6 c6–/+) 11...Qb4 12.Qc2 Ne7 (12...Bb5 13.Bb5 Qb5 14.Nf3–/+) 13.Be2 (13.Qd3!?=+) 13...Bb5–/+ 14.Bc3 Qc5 (14...Ba4 15.Qc1 Qe4 16.Nf3–/+) 15.Bb5 Qb5 16.Na3 (16.Nf3 Qd5=+) 16...Qc6 17.Nf3 Nd5 18.Bb2 Qc2 19.Nc2 Bc5 20.0–0 Nc6 21.d4 ed4 22.ed4 Bd6 23.Re1 Kf7 24.Ba3 Ba3 25.Na3 Ra8 26.Nb5? Ra5 27.Rb1 Ke6 28.g3 Kf5 29.Nd2 h5 30.Nc4=+ Ke4 31.Na5= Na5 32.Ra1 b6 33.Re1 Kd3 34.Rd1 Kc4 35.Na3 Kb3= 36.Nb5 Kc2 37.Re1 Kd3 38.Kf1 Nc4 39.Rd1 =. Lazzzzzzzzzzzzy – jakesh, Live Game Caissa's Web, 2004.

7.e3 Be6 8.d4 e4 9.Nd2 c6 10.Ne2 Bd6 11.c4 Nd7 12.Nc3 Ne7 13.Qb3 Bf7 14.Be2 0–0 15.Bb2 f5 16.Ba3 Nf6 17.Bd6+= Qd6 18.g3 Ra8 19.Na4 Nd7 20.0–0 c5=+ 21.dc5 Nc5 22.Nc5 Qc5 23.cd5 Bd5 24.Bc4 ½–½. Jethan,Martin (2065) – Dueckstein,Andreas (2250), 15th Open A, Vienna AUT (8), 2006.

7.e3 Be6 8.Nf3 c5 9.bc6 bc6 (9...Nc6 10.Nc3+=) 10.Be2 (10.c4 Ne7=) 10...Nh6 (10...Bd6 11.0–0=) 11.c4 Be7 12.cd5 (12.0–0 Nf5=) 12...cd5 13.Qa4 Kf7 14.0–0 Rf8 (14...Nd7 15.Qc2=) 15.Bc3 (15.Nc3 Nd7=) 15...Qb6 (15...Nd7 16.Bb4=) 16.Ba5 (16.Na3 Qc6 17.Bb5 Qc7=) 16...Qb7 (16...Qa7 17.Nc3=) 17.Nc3= Nc6 18.Rb1 Qa8 (18...Qd7 19.Bb5 Rc8 20.e4 de4 21.Ne4=) 19.Rb5 (19.Rb6 Na5 20.Ra6 Qb8 21.Ra5 Rd8=) 19...Rb8 (19...Rc8 20.d4+= (20.Nd5? Bd8–+)) 20.Rb8= Nb8 21.Bb5 Qb7 (21...Nf5 22.d4 Nd6 23.Bb6 (worse is 23.de5 Nb5 24.Qb5 Nc6+=) 23...Qa4 24.Ba4= (24.Na4?? Nb5 25.de5 Nd7–+)) 22.d4+= e4 23.Nd2 Qc8 24.Qb3 (24.Ne2 g5+=) 24...Nc6= 25.Bb6 Qb7 (25...Nb4 26.Ba5 Nc6 27.Bb6=) 26.Qa4+= Qb6 (26...Ne5 27.Be8 Kf8 28.de5 Qb6 29.Bc6+=) 27.Bc6+/– Bd6? (27...Qb4 28.Qa8 Kg6 29.Be8 Nf7 30.Nd5 Qd2 31.Ne7 Kh5 32.Bf7 Bf7 33.g4 Kg5 34.Kg2+–) 28.Qa8 (better is 28.Bd5 Bd5 29.Nd5+–) 28...Qb8+/– 29.Qb8 Bb8 30.Bd5 Bd5 31.Nd5 f5 32.f3 ef3 33.gf3 g5 34.h3 Ke6 35.Nb4 Nf7 36.Nc4 h5 37.e4 White prepares the advance d5 37...fe4 38.fe4 Nd6 39.d5 Kf7 40.Nd6 Bd6 41.Nc6 Kf6 42.Kg2 Bc7 43.Kf3 Bh2 44.Nd4 Be5 45.Nf5 Bb8 46.Ne3 (46.Ng3!? Kg6 47.Ne2+=) 46...Ke5= 47.Nc4 Kd4 48.Ne3 Ke5 49.Ng2 g4 50.hg4 hg4 51.Ke3 Ba7 52.Kd3 Bf2 53.Ne3 Kf4 54.Nd1 Bb6 55.Nc3 Ke5 56.Nd1 g3 ½–½. Lorenc,Tomas (2150) – Pliva,Vojtech (2055), CZE–ChT2B, 2010.

7.e3 Be6 8.Nf3 Ne7 9.Be2 Ng6 10.0–0 Bd6 11.d4 e4 12.Nfd2 0–0 13.c4 c6 14.cd5 (14.c5!? Be7 15.Nc3+=) 14...cd5= 15.f3 (15.Qb3 f5=) 15...f5 16.fe4 fe4 (worse is 16...de4 17.Nc4 Bc4 18.Bc4 Kh8 19.Qh5=) 17.Rf8 Qf8 18.Qf1 (18.Bg4 Qc8 19.Be6 Qe6+=) 18...Qd8 19.Qc1 (19.Bb2 Nd7–/+) 19...Qg5 20.Nf1 Bh3 (better is 20...Nh4!? 21.g3 Nf3 22.Bf3 ef3–/+) 21.g3–/+ h5 22.Qe1 (22.Bc3!?–/+) 22...h4–+ 23.g4?? (better is 23.Nbd2–+) 23...Bg4 24.Bg4 Qg4 25.Kh1 Nd7 26.Nbd2 Nf6 27.Bc3 Nh5 28.Qf2 Ne7 29.Qg2 Nf6 30.h3 Qg2 31.Kg2 Nf5 32.Nb3 b6 33.Bd2 g5 34.Nh2 Bh2 35.Kh2 Nd6 36.Bb4 Nfe8 37.Nd2 Kf7 38.Nb1 Nb5 39.Nc3 Nc3 40.Bc3 Nd6 41.Bd2 Nc4 42.Bc1 b5 43.Kg2 b4 44.Kf2 b3 45.Ke2 b2 (45...b2 46.Bb2 Nb2–+) 0–1. Melzig,Ernst – Steffen,Guenter (1845), Wch Seniors, 2002.

7.e3 g6 8.c4 Be6 9.Qb3 Bg7 10.Nf3 Ne7 11.d4 e4 12.Nfd2 c6 13.c5 Bf7 14.b6 0–0 15.Be2 Qd7 16.Na3 =. Karacsony,I – Brotz Herzog,F, HUN–ch op Pecs, 1998.

7.e3 Nh6 8.d4 e4 9.c4 c6 10.Qb3 Be6 11.Nd2 Be7 12.Ne2 dc4 13.Nc4 Bc4 14.Qc4 Qa5 15.Bc3 Qb5 16.Qb5 cb5 17.Ng3 f5 18.Bb5+/– Kf7 19.h3 Rc8+= 20.Ne2 g5 21.Kd2 Kg6 22.f3 Nf7 23.fe4 fe4 24.Rb1 Nd6 25.Bb4+/– Nc6 26.Bd6 Bd6 27.Bc6 bc6 28.Nc3 Re8 29.Rb6 Kf5? 30.Rc6 Bb4 31.g4# 1–0. Dzieniszewski,Andrzej – Gorniak, Jelenia Gora, 1976.

7.e4 de4 8.Bc4 c6 9.Nc3 cb5 10.Nb5 Bd7 11.Be5+= Bb5 12.Bb5 Nc6 13.Bb2 Bc5?? 14.Qh5+– g6 15.Qc5 1–0. pcmvr (2225) – flaviolucas (2105), net–chess.com, 2006.

4.a4 c6

5.c4 ab5=+ 6.ab5 Ra1 7.Ba1 cb5 8.cb5 d5 9.e3 Bb4 10.Nf3 Ne7 11.Be2 0–0 12.0–0 Bg4 13.Qb3 Ba5 14.Nc3 Kh8 15.h3 Bh5 16.Bb2 Bf7 17.d4+= e4 18.Nd2 Nd7 19.Rc1 Re8 20.Nde4!+– de4 21.Qf7 Bc3 22.Rc3 Nb6 23.Rc7! (23.Rc7 Qc7 24.Qe8 Ng8 25.Qe4+–) 1–0. Franke,R – Rau,J, corr ICCF EU/M/GT/238 (year?).

5.c4 ab5 6.ab5 Ra1 7.Ba1 Qb6 8.Nc3 cb5 9.cb5 d6 10.e3 Ne7 11.Bc4 Bf5 12.Nf3 g5 (12...d5 13.Bd5 Nd5 14.Nd5=) 13.d4+/– h6 14.0–0 Nd7 15.Qa4 Qc7 16.Qb3 Bg6 17.Be6 Nb6 18.Rc1 (18.Bb2 Bg7+/–) 18...Qd8 (18...e4 19.Nd2 d5 20.Bb2+=) 19.de5 fe5 20.Ne4! Bg7 (20...Be4 21.Bf7 Mate attack) 21.Qb4 Be4 22.Qe4 Qb8 23.Qg4 Qa7? (better is 23...d5+/–) 24.Qh5+– Kd8 25.Qf7 Rh7 (25...Qa3 26.Rd1 Rg8 27.Ne5+–) 26.Ne5 (26.Be5 Qa3 27.Ra1 Qc5 28.Bg7 Qb5+–) 26...Qa3 27.Rd1 (better is 27.Nd3! Nd7 28.Bd7 Kd7+–) 27...Be5 28.Qf8 (28.Qh7?! Ba1 29.Qh6 d5+–) 28...Kc7 29.Be5 de5 (29...Nd7 30.Bd7 Kd7 31.Rd6 Qd6 32.Bd6 Kd6 33.Qb8 Ke6 34.Qb7 Kf7 35.Qf3 Kg7+–) 30.Qd8# 1–0. Dumontelle,Joe – Sauve,F, Ottawa Open, March, 1979.

4.ba6 ba6

5.e3 Bc5 6.Bc4 d5= 7.Bb3 d4 8.ed4 ed4?? 9.Qh5+– g6 10.Qc5 1–0. Wall,Bill – Hatherill,Chuck, Dayton, OH, 1980.

5.e4= Bb7 6.d3 Nc6 7.Ne2 Bb4 8.Nd2 Na5 9.a3 Bd2 10.Qd2 Ne7?? 11.Qa5+– Nc6 12.Qd2 Qe7 13.g3 Qe6 14.Bg2 0–0–0 15.0–0 h6 16.Rfb1 g5 17.c4 h5 18.Bc3 h4 19.Rb7 Kb7 20.Rb1 Kc8 21.Qb2 Rde8 22.d4 Kd8 23.d5 Qd6 24.Qb7 Ne7 25.Bb4 Qb6 26.Be7 Re7 27.Qa8 Qb8 28.Qb8 (28.Rb8) 1–0. magne – toon magpie, ChessWorld.net, 2005.

4.ba6 Na6

5.Nc3 d5=+ 6.e3 Nc5 7.Nf3 Bd7 8.Ne5!+/– fe5? 9.Qh5+– g6 10.Qe5 Be6 11.Qh8 1–0. Wall,Bill – Erdoserdos, chess.com, 2010.

5.e4 d5 6.Nc3 Be6 7.Nf3 Nc5 8.Qe2 f5?? 9.ef5 e4 10.Nd4 Bf7+/– 11.Nf3 Qe7 12.Nd4 c6 13.a4 Qe5 14.Qe3 0–0–0 15.Be2 Nh6 16.f4 Qe7 17.0–0 g6? 18.g4 Rd6? 19.Ba3 b6? 20.a5! Qa7 21.ab6 Qa5 22.Rfb1 gf5 23.Bc1 Na4 24.Ra4 Qc5 25.b7 Kc7 26.b8Q Kd7 27.Rb7 1–0. ifairclough – quikeagle, net–chess.com, 2001.

5.e4 d5 6.ed5 Nb4 7.Bb5 Bd7 8.Bd7 Qd7 9.Nc3 Bc5 10.Nf3 Ne7 11.0–0 0–0 12.Re1 Ned5 13.Ne4 Qc6 14.d4 Bd6 15.c3+/– Na6 16.Rc1 b5 17.c4 bc4 18.de5 Bb4 19.Rf1 f5 20.Nd4 Qb7= 21.Ng3 c3 22.Ba1+= Rae8 23.Nf3 Ba3 24.Rb1 Qc6 25.Nd4 Qc4 26.Qb3 Qd4 27.Qa3 Re6 28.Rfe1 Qc4 29.Qb3 Qb3 30.Rb3 Nc5 31.Rb5 Nd3 32.Rd5 Ne1 33.Bc3 Nc2 34.Rd2 Na3 35.Rd7 g6 36.Bb4 Ra8=+ 37.Rc7 Re5 38.Bc3 Ree8 39.Rg7 Kf8 40.Rh7 Nb1 41.Bb4 Kg8 42.Rd7 Ra2 43.h4 f4 44.Nf1 Ree2 45.Rd1 Reb2 46.Rd8 Kg7 47.Bc5 Re2 48.g3 fg3 49.Ng3 Re1 50.Kg2=+ Rd2 51.Rd2 Nd2 52.Bd4 Kf7 53.Bc3 Rd1 54.Bd2 Rd2 55.h5 gh5 56.Nh5 Kg6 57.Nf4 Kf5 58.Kg3 Rd8 59.Nh5 Rg8 60.Kf3 Rf8 61.Ke3 Kg4 62.Ng3 Rf3 63.Ke2 Rb3 64.Ne4 Kf4 65.Nd2 Rb8 66.Nc4 Re8 (66...Re8 67.Ne3 Re7=). COMP – COMP, 2001.

5.e4 Ne7 6.d4 ed4 7.Bc4 c5 8.c3 d5 9.ed5 =. pierre – ramiroski, ChessHere.com, 2006.

5.e4 Ne7 6.Qh5 Ng6 7.Nf3 Nb4 8.Kd1 Nc6 9.Nh4 Nce7 10.Bc4 d6 11.Bb3 Qd7 12.h3 c6 13.Nc3 Qd8 14.Ne2 Qb6 15.d4 Be6 16.Nf5 Bb3 17.ab3 Ra1 18.Ba1 Qc7 19.c4 b5 20.cb5 cb5 21.Bb2 Ng8 22.Nc3+/– Qb7 23.Nd5+– Kf7 24.Kd2 Qa8 25.Ra1 Qb8 26.f4 ef4 27.Nf4 Qb7 28.Rc1 Be7 29.Ng6 hg6 30.Qh8 gf5 31.Qh5 g6 32.Qh7 Kf8 33.d5 fe4 34.Rc6 g5 35.Qe4 Nh6 36.Qe6 Qa7 37.Rc8 Kg7 38.Kd3 Kg6 39.g4 b4 40.Rh8 Kg7 41.Re8 Qf2 42.Re7 Kf8 43.Qd7 Qf1 1–0. COMP – COMP, 2001.

4.c4 ab5

5.cb5 Ra5 6.Nc3 d5=+ 7.e3 Bb4 8.Qb3= Bc3 9.Bc3 Ra7 10.d4 Nd7 11.Qd5+/– Ne7 12.Qb3 Nb6 13.de5+– fe5 14.Rd1 Bd7 15.Nf3 Nbd5? 16.Rd5 Nd5 17.Qd5 (17.Qd5 Qe7 18.Bc4+– (< 18.Ne5 Be6 19.Qd4 Ra2+–; < 18.Be5 Be6 19.Qd4 c5 20.bc6 bc6+–)) 1–0. ygfr – xhxw, internet, 2009.

5.cb5 Bc5 6.e3 c6 7.Qh5 g6 8.Qh4 d5 9.f4 Nd7 10.Nf3 e4 11.Nd4 Bd4 12.Bd4 c5 13.Bb2 Kf7 14.g4 Ne7 15.Be2 Qb6 16.0–0 d4 17.Bc4 Kg7 18.f5?? Ne5–/+ 19.Na3? Nf3?? 20.Rf3–/+ ef3 21.g5? Nf5–+ 22.gf6 Qf6 23.Qf4 Be6 24.Be6 Qe6 25.ed4 cd4 26.Nc2 Rhe8?? 27.Nd4+– Nd4?? 28.Bd4 Kg8–/+ 29.Qf3 Ra2 30.Qb7?? Ra1 31.Ba1–+ Qe1 32.Kg2 Qa1 33.Qd5 Kf8 34.Qd6 Re7 35.Qd8 Kf7 36.Qd5 Kg7 37.b6 Qe5 38.Qf3 Qe2 39.Kg3 Qf3 40.Kf3 Rb7 41.Ke4 Rb6 42.Ke5 Kf7 43.d4 Re6 44.Kd5 Ke7 45.Kc5 Kd7 46.d5 Rf6 47.h4 h5 (47...h5 48.d6 Rf5 49.Kd4 Rf4 50.Ke3 Rh4–+) 0–1. elsh1403 – mazur (1700), 6202900 internet, 2011.

5.cb5 Bc5 6.e3 d6 7.Qh5 g6 8.Qh4 Be6 9.Bd3 Bf7 10.Nf3 Ne7 11.Qf6+= Nf5?? 12.Qh8+– Ke7 13.Qh7 (13.Qh7 Qg8 14.Qg8 Bg8 15.Be4+–) 1–0. elsh1403 – midur (1765), internet, 2011.

5.cb5 Bc5 6.e3 Ne7 7.Qh5 g6 8.Qh4 Nf5 9.Qc4 b6 10.Nf3 Qe7 11.Nc3 c6 12.a4 d5 13.Qb3 Be6 14.bc6+/– d4 15.Nd5 Qd6 16.Nf6?? Kf7 17.Bc4 Bc4–/+ 18.Qc4 Kf6 19.0–0 Nc6–+ 20.ed4 Ncd4 21.Nd4 Nd4 22.Kh1 Rac8 23.Qd3 Nf5 24.Qa6 Rc6 25.f4 Bd4 26.Ba3 Qc7 27.fe5 Be5 28.Rae1 Bh2?? 29.g4 b5?? 30.Qb5+– Rb8 31.Bb2 Kg5 32.Rf5 gf5 33.Qf5 Kh4 34.Qh5 Kg3 35.Be5 Kf3 36.Bc7 Bc7 37.Qf5 Kg3 38.Rg1 Kh4 39.Qh5 1–0. elsh1403 – konik205, internet, 2011.

5.cb5 c6 6.a4 cb5 7.ab5 Ra1 8.Ba1 Qa5 9.Nc3 Bb4 10.e3 Ne7 11.Bc4 g6 12.Nge2 Rf8 13.0–0 d6 14.Qb3 Bd7 15.Bb2 Bc3 16.Nc3 Qc7 17.Ra1 d5? 18.Bd5 Qd6? 19.Ra8 Nd5 20.Nd5 Be6 21.e4 Bd5 22.Qd5 Qd5+/– 23.Rb8?? Kd7–+ 24.ed5 Rb8 25.f4 Re8 26.fe5 fe5 27.g4 Kd6 0–1. elsh1403 – lathient (1790), internet, 2011.

5.cb5 c6 6.a4 cb5 7.ab5 Ra1 8.Ba1 Qa5 9.Nc3 Bb4 10.e3 Ne7 11.Nf3 0–0 12.Be2 d5 13.0–0 Bd7 14.Qb3 Qa3 15.Rb1 Qb3 16.Rb3 Bc3 17.Bc3 Bg4 18.h3 Bh5 19.g4 Bf7 20.Bb4 Re8 21.Ra3 Nd7 22.Ra7 f5?? 23.Rb7 fg4 24.Rd7 gf3 25.Bf3 e4 26.Bg4 Ng6 27.Ra7 Ne5 28.b6 Rb8?? 29.b7 Nc6 30.Ra8 Be8 31.Be6 Kh8 32.Bd5 g6 33.Bc6 Bc6 34.Rb8 (34.Rb8 Kg7 35.Rg8 Kg8 36.b8Q Kf7 37.Qe5 g5 38.Qf5 Kg7 39.Bc3 Kh6 40.Bf6 Bd5 41.Qg5) 1–0. elsh1403 – bavlnka, internet, 2011.

5.cb5 c6 6.e3 cb5 7.Bb5 Nc6 8.Ne2 Qb6 9.Qb3 Qc5 10.Bc3 Nge7 11.0–0 Nd5 12.Bc4 Ra5? 13.Bd5 Qd5 14.Ba5 Qa5 15.Nbc3 Qb4 16.Rfc1 Qb3 17.ab3 Bb4 18.Nd5 0–0 19.Nb4 Nb4 20.Ra8 Nc6 21.d4 d5 22.b4 Bf5 23.Rf8 Kf8 24.b5 Na5 25.Rc7 Bd3 26.Nc3 ed4 27.ed4 Bc4 28.Rd7 Nb3 29.Rb7 Nd4 30.b6 Nc6 31.Rc7 (31.Rc7 Nd8 32.Rd7+–) 1–0. Zylla,Johannes – Legien, BS–MK Kreisliga, 1992.

5.cb5 d5 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.Nd5 Bd5 20.Qb5 Kf7 21.Qa6+– Bf3 22.gf3 Ng5 23.Qc4 Kg6 24.Rb6?? Qb6–+ 25.a5 Nf3 26.Kf1 Nd2 (26...Nd2 27.Ke2 Nc4 28.ab6 Nb6–+; 26...Qa5 27.Ra5 Nd2 28.Ke2 Nc4 29.Rc5–+) 0–1. AbstractPoetic – jancix, internet, 2007.

5.cb5 d5 6.e3 c6 7.Qh5 (7.Qh5 g6 8.Qd1=+). mic (2185) – pops (2295), net–chess.com, 2008.

5.cb5 d5 6.Nf3 =+.

5.cb5 d6 6.Nc3 Be6 7.Nf3 Ne7 8.d4= Bc4 9.e4+= Bf1 10.Kf1 Ng6 11.g3 Nd7 12.Kg2 Be7 13.Nd5 0–0 14.Rc1 c6 15.bc6+/– bc6 16.Rc6 Ra2?? 17.Qb3+– Rb2 18.Ne7 Kh8 19.Ng6 hg6 20.Qb2 g5 21.Rd6 Qc7 22.Rd5 Rc8 23.Qb5 Nf8 24.Rc5 Qd8 25.Rc8 Qc8 26.de5 g4 27.Nd4 fe5 28.Qe5 Qa8 29.Qf5 Qd8 30.Rd1 (30.Rd1 Qf6 31.Qg4+–) 1–0. mrkt – uqar, internet, 2009.

4.c4 c6

5.a4 Bb4 6.e3 d5 7.Nc3 Bf5 8.Nf3 d4 9.Ne2 ab5 10.Ng3 Bg4 11.h3 Bf3–+ 12.Qf3 ba4 13.ed4 a3 14.Bc3 c5 15.de5 Qe7 16.Nf5+/– Qe6?? 17.Ng7+– (17.Ng7 Ke7 18.Ne6+–) 1–0. elsh1403 – hugr, internet, 2011.

5.a4 ab5 6.cb5 cb5 7.ab5 Ra1 8.Ba1 d5 9.e3 Bd7 10.Nc3 d4 11.Ne4 Qa5 12.Qb1 de3= 13.fe3 Bb4 14.Bc3 Bc3 15.Nc3 Ne7 16.Bc4 g6 17.Nf3 Bf5 18.Qb2 Nd7 19.0–0 Nc5 20.Nh4 Bd3 21.Bd3 Nd3 22.Qb3 f5 23.Nf3 Kf8?? 24.Ng5+– Kg7 25.Qf7 Kh6 26.Qe7 (26.Qe7 Qd8 27.Nf7 Kh5 28.Nd8 Re8 29.Qh7 Kg5 30.h4 Kg4 31.Qh6 Rd8 32.Qg5) 1–0. elsh1403 (1615) – hugr, internet, 2011.

5.a4 ab5 6.cb5 d5 7.e3 Bf5 8.Nc3 Bb4 9.Qb3 Bc3 10.Bc3 Ne7 11.Nf3 Be6 12.Be2 Qd7 13.0–0?? d4–+ 14.ed4?? Bb3 (14...Bb3 15.de5 Nd5–+) 0–1. elsh1403 (1615) – hugr (1730), internet, 2011.

5.a4 d5 6.e3 Bb4 7.Nc3 Be6 8.Qb3 Bc3 9.Bc3 Ne7 10.Nf3 0–0 11.Be2 Nd7 12.d4 e4 13.Nd2 f5 14.0–0 f4 15.ef4 Rf4 16.Bb2 Ng6 17.cd5 Bd5 18.Bc4 Nf6 19.Rfe1 Ng4 20.Ne4 Qh4? 21.Bd5 cd5 22.Qd5 Kh8 23.h3 Nf2 24.Nf2?? Qf2–/+ 25.Kh1 Nh4?? 26.Qb7+/– Raf8 27.Rg1?? Nf5?? 28.d5?? Qb2–+ 29.d6 Qe5 30.d7?? Ng3 31.Kh2 Rf2 32.h4 Nf1 33.Kh3 Qg3 0–1. elsh1403 (1605) – hugr, internet, 2011.

4.e3 ab5

5.Bb5 Nc6 6.Nc3 d5 7.d4 Ba3 8.Ba3 Ra3 9.Nb1 Ra5 10.Bc6 bc6 11.de5 Nh6 12.Nf3 0–0 13.Qd4 Bf5 14.0–0 Be4 15.Nbd2 Nf5 16.Qc3+– Qa8 17.Ne4 de4 18.Qc4 Rd5 19.Qe4 fe5 20.Ng5 Rf6 21.c4 Ra5 22.Rfd1 Qe8 23.Qg4 h5 24.Qe4+– g6 25.Qf3 Rf8 26.Qe4?? Rf6 27.Qf3?? Rf8 28.Re1 Nd6 29.Qe2 e4 30.h4 Qe5 31.Red1 Ra4 32.Rac1 Ra5 33.Rc2 Nf5 34.c5 Ra4 35.Rc4 Ra5 36.Re4 Qc3 37.Re6 Qg7 38.Qc4 Kh8 39.Rc6 Ra3 40.Ne6 Qg8 41.Rc7 Rfa8 42.e4 R8a4 43.Qd5 Ra2 44.Qe5 Qg7 45.ef5 Kh7 46.Qg7 1–0. Crafty 19.01 – Comet B25, 2004.

5.Bb5 Nc6 6.Qh5 g6 7.Qh4 Bg7 8.Bd3 Nge7 9.f4 d6 10.Nf3 0–0 11.0–0 d5 12.fe5 fe5 13.Ng5 h6 14.Rf8? Bf8?? 15.Nh3=+ Bg7 16.Na3?? e4–+ 17.Bg7 Kg7 18.Bb5 Ra3 19.Rf1 Nf5 20.Qf2 Be6 21.g4 Nd6 22.Bc6 bc6 23.Nf4 Bg4 24.Qg3 Qg5 25.h4 Nf5 26.Ne6= Kg8 27.Qc7?? Qe7 28.Qc8? Kh7–+ 29.Nf8 Kg7 30.Ne6 Kf6 31.Nf4 Ra7?? 32.Qc6 Qd6 33.Qe8? Re7 34.Qg6+– Ke5 35.Qd6 Nd6?? 36.Ng6= Ke6 37.Ne7 Ke7 38.Rb1 Bd7 39.Rb6 Nf5 40.h5 Be6 41.Kf2 Kf6 42.Ke2 Ng7 43.d3 Nh5= 44.d4 1–0. elsh1403 (1675) – okena (1725), internet, 2011.

5.d4 Bb4 6.c3= Ba5 7.de5+= c6 8.a4 b4 9.Bd3 Qe7 10.Qh5 Qf7 11.Qf7+/– Kf7 12.Nf3 Ne7 13.0–0 Na6 14.Bc4 Kg6 15.Rd1 Nc5 16.Nh4 Kg5 17.cb4 Bb4 18.ef6 gf6 19.f4 Kh4 20.Bf6 Kh5 21.Bf7 Kh6 22.g4 Ng6 23.g5 Kh5 24.Bh8 d5 25.Bc3 Bc3 26.Nc3 Bg4 27.Nd5! cd5 28.Rd5 Na4 29.f5 Bf3 30.Re5 Bc6 31.fg6 hg6 32.Re6 Ra5 33.Bg6 Kh4 34.Kf2 Rg5 35.Rc6! bc6 36.Ra4 Kh3 37.Be4 Kh2 38.Ra1 Kh3 39.Bf3 (39.Bf3 Rg2 40.Bg2 Kg4 41.Ra5 c5 42.Rc5 Kh4 43.Bf3 Kh3 44.Rh5#) 1–0. pcmvr (2225) – vitorluiz (2265), net–chess.com, 2006.

5.d4 c6 6.Bd3 Qa5=+ 7.Nd2 Bb4 8.de5= Bc3 9.Bc3 Qc3 10.f4 fe5 11.Qh5 g6 12.Qe5 Qe5 13.fe5 Ra4 14.Ne4 Ke7 15.Nf3 h6?? 16.Nh4+– Kf7 17.Nd6 Kg7 18.0–0 Rh4 19.Rf7 (19.Nc8?! h5 20.Nd6 Nh6+–) 1–0. pierre – jimmychi, chess.com, 2007.

5.d4 c6 6.Bd3 ed4 7.Qh5 Ke7 8.Bd4 Nh6 9.Nf3 d5 10.Bc5 Kd7 11.Bf8 Qf8 12.0–0 g6 13.Qh4 Kc7 14.Qf4 Kd7 15.a4 ba4 16.c4 b5 17.cd5 cd5? 18.Nc3 Kc6? 19.Bb5+– Kb6 20.Nd5 Kb5 21.Nd4 Kc4 22.Rac1 Kd5 23.e4 Kd4 24.Rfd1 1–0. pcmvr (2110) – sbderkach (1680), net–chess.com, 2006.

5.d4 ed4 6.ed4 c6 7.Bd3=+ Ne7 8.Nf3 d6 9.0–0= Ng6 10.d5 Be7 11.Nd4 0–0 12.Bg6 hg6 13.Re1 Bd7 14.Qd3 Qe8 15.Qb3 Kh7 16.c4 Na6 17.cb5 Nc5 18.Qe3+/– Rf7 19.bc6 bc6 20.Nc3 Na4 21.Nc6?? Bc6–/+ 22.dc6 Nb2 23.Nd5 Nc4 24.Qh3 Kg8 25.Re4 f5 26.Rc4 Bf6 27.Rac1 1–0. pcmvr (2560) – leen (2245), net–chess.com, 2006.

5.d4 ed4 6.Bd4 b4 7.Bd3 Qe7 8.Ne2 Nc6 9.0–0 Qf7 10.c4 Bd6 11.c5 Be5 12.f4 Bd4 13.Nd4 Nd4 14.ed4 =. pcmvr (2760) – firesparrow (2295), net–chess.com, 2006.

5.d4 ed4 6.Bd4 c6 7.Bd3= Bb4 8.Nd2 Ne7 9.a3 Bd2=+ 10.Qd2 d6 11.Nf3 0–0 12.0–0 Bg4 13.c4 Bf3–/+ 14.gf3 bc4 15.Bc4 d5 16.Be2 Nd7 17.Kh1 c5 18.Bc3 Qc7 19.a4 Ra7 20.a5 Rfa8 21.Rfb1 Nc6?? 22.Qd5+= Kf8? 23.Bc4+– Nce5 24.Be5 Qe5 25.Qf7# 1–0. pcmvr (2560) – leen (2240), net–chess.com, 2006.

5.Be5 fe5–/+ 6.Qh5 Ke7 7.Qe5 Kf7 8.Qd5 Ke8 9.Qh5= Ke7 10.Qe5 Kf7 11.Qd5 Ke8 12.Qh5= Ke7 ½–½. mrkt – jclaes, GameColony.com, 2002.

5.Bb5 c6

6.Bd3 d5 7.Qh5 Ke7!? 8.Ba3 Kd7 9.Bf5 Kc7 10.Bf8 Qf8 =.

6.Bd3 d5 7.Qh5 Ke7 8.Ba3 Kd7 9.Qf7 Ne7 10.Bf5 Kc7 11.Bc8 Kc8 12.Be7 Qe7 13.Qe7 Be7 14.Nf3 Na6 15.0–0 Nb4 16.Ne1 Ra2 17.Ra2 Na2 18.c3 Nc1 19.d4 e4 20.Nc2 Nd3 21.f3 ef3 22.gf3 Kc7 23.e4 de4 24.fe4 Ra8 25.Nd2?? Ra2–+ 26.Rf3 Nc1 27.Ne3 Rd2 28.Nf5 Bf8 29.e5 fe5 30.de5 Ne2 31.Kf1 Bc5 32.Ng7 Nc1 33.Rf7 Kb6 34.Ne6 Nd3 35.Nd8 Rf2 36.Rf2 Nf2 37.e6 Ne4 38.Ke2 Nc3 39.Kd3 Nd5 40.h4 Kc7 41.Nf7 Nf4 42.Ke4 Ne6 43.Ke5 Nd4 44.Ng5 b5 45.Nh7 Nf3 46.Ke4 Nh4 47.Kd3 Kb6 48.Kc3 b4 49.Kb3 Nf5 50.Ng5 Nd4 51.Kb2 Kb5 0–1. elsh1403 – maokey (1615), internet, 2011.

6.Bd3 d5 7.Qh5 g6 8.Bg6!+– Ke7 9.Bh7 Be6+/– 10.Qg6 Bf7 11.Qf5 Nh6 12.Qd3 e4? 13.Qd4?? Rh7–/+ 14.Qf6 Ke8 15.Qe5 Qe7 16.Qe7 Ke7 17.Ne2 Bg7 18.Ba3?? Kd7 19.c3 b5 20.Nd4 Ng4 21.h3 Na6 22.0–0 Ne5 23.Nf5 Bf6 24.d4? ed3 25.Nd2 Nc4 26.Nc4 dc4 27.Bd6 Be6 (27...Be6 28.e4 Bc3–+) 0–1. elsh1403 – lathient (1765), internet, 2011.

6.Be2 Bb4 7.c3 Bc5 8.d4+= Bd6 9.c4 Ne7 10.c5+= Bc7 11.Nf3 Ng6 12.0–0 0–0 13.Qb3 Kh8 14.a4 d6 15.cd6 Bd6 16.de5 Ne5= 17.Ne5 Be5 18.Be5 fe5 19.Nc3 Qe7 20.h3 Be6 21.Qb2 Na6 22.Ba6 Ra6=+ (22...Ra6 23.Rfd1 b6=). makaveli1982 – edineic, internet, 2007.

6.Be2 Qb6 7.Qc1 d5 8.Nf3 Bd6 9.c4 Ne7 10.d4= ed4 11.Bd4 c5 12.Bb2 0–0 13.cd5 Nd5 14.0–0 Be6 15.Rd1 Nd7 16.Na3 Qb4 17.Qc2 Bb8 18.Bd3 h6 19.Bf5 Bf5 20.Qf5 N5b6 21.Rab1 Rf7 22.Bc1 Qa4= 23.Rd2 Re7 24.Nb5 Qe4 25.Qe4 Re4 26.h3 Kh7 ½–½. Baeckstroem,Mikael (2255) – Cottarelli,Franco (2105), corr WSTT/3/06/Semifinal, 2008.

6.Be2 Bc5 7.Bh5 g6 8.Be2 Ne7 9.f4 d6 10.Nf3 0–0 11.Bc4 Kg7 12.fe5 de5 13.0–0 Bg4 14.Qe1 Qb6 15.Qc1 Nd7 16.Nc3 Rfd8 17.Ne4 Qc7 18.d4 Bb6 19.de5 Bf3?? 20.Rf3 Ne5+/– 21.Be5 Qe5= 22.Nf6 Nf5 23.Ng4 Qc5? 24.Qb2+– Kf8?? 25.Qf6 Ke8 26.Qf7 1–0. elsh1403 – aspen38, internet, 2011.

6.Be2 d5 7.Bh5 g6 8.Be2 Bd6 9.d3 Be6 10.Nf3 Qb6 11.Qc1 Ne7 12.0–0 Nd7 13.c4 dc4 14.dc4= 0–0 15.Rd1 Qc7 16.Nbd2 Nc5 17.Nb3 Nb3 18.ab3 b6 19.Nd2 Bb4 20.Ra8 Ra8= 21.Ne4 Kg7 22.f4 Bf5? 23.Nf6!+– Kf6 24.Be5 Qe5 25.fe5 Ke5 26.g4 Be6 27.Qb2 Ke4 28.Qd4# 1–0. Van Rooijen,Peter (1855) – Grosdemange,David (2070), remoteschach.de, 2005.

6.Be2 d6 7.c4 Be6 8.Nc3 Ne7 9.Nf3 Na6 10.d4 Nb4 11.a3 Na6 12.d5 Bf7 13.dc6 bc6 14.Qa4 Nc5=+ 15.Qc2 g6 16.Ne4 Ne4 17.Qe4 Qa5 18.Nd2 Rb8 19.Qc2 Bh6 20.0–0+= 0–0 21.f4?? Qc5 22.Qc3 Rfd8?? 23.fe5?? Be3?? 24.Kh1–/+ Bd2 25.Qd2 de5 26.Qc2 Kg7 27.Rac1 Rb7 28.h4? Nf5–+ 29.Qc3 Nh4 30.Bg4 Rd4 31.Bh3 Rc4 32.Qd2 g5 33.Be5 Qe5 34.Rce1 Qd5 35.Qf2 Rf4 36.Qe2 Rf1 (36...Rf1 37.Rf1 Rb3–+) 0–1. chessleon – pbram143, internet, 2007.

4.e3 d6

5.d4= ab5 6.Bb5 c6 7.Bd3 Be6 8.c4 Nd7 9.Qc2 g6 10.Nf3 Ne7 11.Nbd2 Bg7 12.0–0 0–0 13.e4 ed4 14.Nd4 Bf7 15.N2b3 c5 16.Nb5+= Nb6 17.Be2 Ra4 18.Bc3 Nec8 19.Ba5 Qe7 20.Nc3 Rc4 21.Rae1 Qe8 22.Rd1 Na4 23.Bc4+/– Bc4 24.Rfe1 Nc3 25.Bc3 Be6 26.Bd2 b5 27.Bf4 Qd7 28.Rd2 Qe7 29.Red1 c4 30.Nd4 Bd7 31.Rb1 Qe8 32.Re2+/– Rf7 33.a4!+– ba4 34.Qc4 g5 35.Bg3 Bf8 36.Rb8 Kh8 37.f3 g4 38.Rc2 gf3 39.gf3 a3 40.Rc8 Bc8 41.Qc8 Qa4 42.Qc4 Qc4 43.Rc4 Ra7 44.Rc1 a2 45.Ra1 Ra6 46.Nb5 f5 47.Nc3 Ra3 48.Be1 fe4 49.Ra2 Ra2 50.Na2 ef3 51.Kf2 d5 52.Kf3 Kg8 53.Nc3 Bb4 54.Ke2 d4 55.Nb5 d3 56.Kd1 Bc5 57.Kd2 Bb4 58.Nc3 Kf7 59.Kd3 Kg6 60.Bg3 Kf5 61.Nb5 Kg4 62.Ke4 h5 63.Nd6 h4 64.Bf4 h3 65.Nc4 Kh5 66.Kf5 Be7 67.Nb2 Bg5 68.Bd6 Kh6 69.Nd3 Bh4 70.Be5 Kh7 71.Nf4 Bg3 72.Nh3 Be5 73.Ng5 Kg7 74.Ne6 Kh6 75.Ke5 Kg6 76.Nf4 Kg5 77.Ng2 Kg6 78.Ke6 Kg7 79.Kf5 Kh6 80.Nf4 Kg7 81.Kg5 Kf7 82.Ne6! Kg8 (82...Ke6 83.Kg6) 1–0. COMP – COMP, 2001.

5.d4= ab5 6.Bb5 c6 7.Bd3 Be6 8.c4 e4 9.Be4+= Bc4 10.Qc2 Ra2 11.Ra2 Ba2 12.Bh7 Ne7 13.Nd2 Bf7 14.Bd3 Na6 15.Ba3 b5 16.Ngf3+= Qd7 17.0–0 g6 18.Ra1 Nc7 19.Ne4 Ned5 20.Rc1. COMP – COMP, 2001.

4.e4 ab5

5.Bb5 Ra5 6.Bc4 Nh6 7.Bc3+= Ra8 8.Qh5 g6 9.Qe2 Bc5 10.h3 c6 11.Nf3 b5 12.Bb3 Ba6 13.d3 d5 14.ed5+/– b4 15.Bd2 Nf5+= 16.0–0?? Ng3–/+ 17.Qe1 Nf1 18.Kf1 Qe7 19.Kg1 Bb7 20.dc6 Bc6–/+ 21.Be3 Bf3–+ 22.gf3 Nc6 23.c3 Kf8 24.c4? Nd4 25.Nd2 Qe6 26.Rc1 Qh3 27.Qf1 Qf5 28.Bd4 Bd4 29.Qe2 Qh3 30.Ne4 f5 31.Nd6 Qg3 32.Kf1 Qf4 33.Rd1 Qh2 34.Ke1 Bc3 35.Rd2 Qh1 (35...Qh1 36.Qf1 Bd2 37.Ke2 Qf1 38.Kf1 Bf4–+) 0–1. mic (2180) – marv (2340), net–chess.com, 2008.

5.Bb5!? Bc5 6.d4 Bd4 7.Bd4 ed4 8.Qd4 =.

5.d4 ed4=+ 6.Bd4 c5 7.Bc5 Ra4 8.Bd4 Nc6 9.Nf3 Nd4 10.Nd4 Qc7 11.Qh5 g6+= 12.Qd1 Bc5 13.c3+= Bd4 14.cd4+/– Qa5 15.Qd2 Qd2 16.Nd2 Ne7 17.Bb5 Rd4 18.Rd1 Nc6 19.0–0 Rf8 20.Nc4 Ke7+= 21.f3 f5 22.Nb6 fe4+= 23.fe4 Rd1 24.Rd1 d6 25.Nd5 Kf7 26.Rf1 Kg7+= 27.Rf8 Kf8 28.a4 Nd4 29.Kf2 Be6 30.Nf4 Ke7 31.Ke3 Nc2 32.Kd3 Bb3 33.Kc3+/– Na1 34.Kb2 Bc2? 35.Bd3 Bd3 36.Nd3 Kf6 37.a5 Nb3 38.Kb3 Ke6 39.Kc4 g5 40.Kb5 Kd7 41.Kb6 Kc8 42.Nb2 Kb8 43.Nc4 d5 44.ed5 1–0. SuperConstellation – GrandMasterChess, 1994.

5.d4 Bd6 6.Bb5 c6 7.Bc4 Nh6 8.Qh5 Ke7 9.Bc1 Qa5 10.Bd2 Bb4 11.c3 Ba3?? 12.Bh6+– g6 13.Qe2 b5 14.Bb3 d5 15.ed5 cd5 16.Bd5 Ra7 17.Bd2 Rc7 18.c4 Bb4 19.Bb4 Qb4 20.Qd2 Qd6 21.Bf3 ed4 22.Ne2 Rc4 23.0–0 Qe5 24.Re1 Kf7 25.Na3 Ra4 26.Nc2 Ba6 27.Ned4 Qc7 28.Rac1 Qd8 29.Qc3 Rc4 30.Qb3 Nc6 31.Nc6 Qd7 32.Re7 Qe7 33.Ne7 Ke7 34.Ne3 Rc5 35.Rc5 Kd7 36.Qd5 Ke7 37.Rc7 Kf8 38.Qf7 (38.Qd8) 1–0. iczker – wz14a, internet, 2011.

5.Be5 fe5 6.Qh5 Ke7 7.Qe5 Kf7 8.Bb5 Qe7 9.Bc4 Ke8 10.Qc7 Qe4–+ 11.Kf1 Nc6 12.Bd3 Qd4 13.Nc3 Bd6 14.Re1 Nce7 15.Nb5 Bc7 16.Nd4 0–1. Kreuzer,Uwe – Zapfl, Active chess, 1991.

5.Be5 fe5 6.Qh5 Ke7 7.Qe5 Kf7 8.Qd5 Ke8 9.Qh5 Ke7 10.Qe5 Kf7 11.Qd5 Kg6 12.Qf5 Kh6 13.Qh3 Kg6 ½–½. COMP – COMP, 2001.

5.f4 c6 6.f5 d5 7.ed5? Qd5 8.Qh5 Kd7 9.Nf3 Ra2 (9...Ra2 10.Nc3 Ra1 11.Ba1 Qc5–/+; 9...Qe4 10.Kd1–/+) 0–1. wood – AlarmimPo, Live Game Caissa's Web, 2005.

5.Bb5 c6

6.Bc4 Na6 7.Nf3 d5 8.ed5 cd5 9.Bb5 Kf7 10.0–0 Nh6 11.d3 Nc7=+ 12.c4 Nb5 13.cb5 Be6 14.Re1 Bd6 15.d4 e4 16.Nfd2 Re8 17.Nc3 Kg8 18.Kh1? Ng4–+ 19.Qe2 Nh2 20.a4 f5 21.Nf1?? Nf1 22.Rf1 Qh4 (22...Qh4 23.Kg1 Qh2#) 0–1. Noack,Thomas (2000) – Teske,Heike (2170), RSX7E – A00 – Sokolsky–2, 2009.

6.Bc4 Bc5 7.Bg8+= Rg8 8.Qh5 Kf8 9.Bc3 Qb6=+ 10.Nh3 d5–/+ 11.ed5 Bh3 12.Qh3=+ Bf2 13.Ke2= Na6 14.Rf1 Bc5 15.dc6 bc6 16.Qh7+/– Qb5 17.d3 e4?? 18.Bf6!+– ed3 19.cd3 Re8 20.Kd1 Qa4 21.Kc1 Be3 22.Kb2 Rb8 23.Kc3 Qb4 24.Kc2= Qa4 25.Kc3 Qb4?? 26.Kc2= Qc5?? 27.Bc3 Ke8?? 28.Qg8 Kd7 29.Qg7 Qe7 30.Rf7 (30.Rf7 Bc5 31.Re7 Be7 32.Qg4 Ke8 33.Qe6+–) 1–0. Fredek (2090) – Guest432302, Freundschaftspartie, 5m + 0s, 2005.

6.Bc4 d5!? 7.ed5 cd5 8.Bb5 Bd7 9.Bd7 Nd7 =+.

6.Bd3 Bc5 7.Qh5 g6–+ 8.Qd1 Qb6 9.Qc1 Bf2 10.Ke2 Bc5 11.Nc3 d6 12.Nf3 f5 13.ef5 gf5 14.Bc4 Nf6 15.d3 f4 16.Bb3 Qd8 17.Rb1 Bg4–+ 18.Qd1 Nbd7 19.Na4 Be3 20.Rf1 b5 21.Nc3 Nc5 22.Ke1 b4 23.Ne2 Nb3 24.ab3 Qe7 25.Ra1 0–0 26.Ra8 Ra8 27.Qb1? e4 28.de4 Ne4 29.Bc1 Bf3 30.Rf3 Qg7 31.c3 Qg2 32.Qe4 Qh1 33.Ng1 Qg1 34.Rf1 Bf2 35.Ke2 f3! 36.Kf3 Rf8 37.Ke2 Qh2 38.Rh1 Qe5 39.Qe5 de5 40.cb4 Bd4 41.Bh6 Rf6 42.Kd3 Kf7 43.Rh3 Ke6 44.Ke4 Rg6 45.Bd2 Rg4 46.Kf3 Rg7 47.Ke4 Kd6 48.Rh6 Kd7 49.Rh5 Kc7–+ 50.Rh4 Kb6 51.Rh3 Kb5 52.Kf3 Bb2 53.Rh2 Rd7 54.Ke3 Ba1 55.Rh5 Bd4 56.Kd3 Bf2 57.Kc2 Bd4 58.Kd3 0–1. COMP – COMP, 2001.

6.Be2 d5 7.ed5 cd5 8.Nf3 Bg4 9.h3 Bf3 10.Bf3 g6 11.Qe2 e4 12.Qb5 Qd7 13.Be2 Qb5 14.Bb5 Kd8 15.0–0 Nc6= 16.c4 Ra5 17.Bc6 bc6= 18.Bc3 Ra4 19.cd5 cd5 20.a3 d4 21.Bb2 Bc5 22.Rc1 Ra5 23.Rc4+/– e3? 24.de3+– de3 25.fe3 Be3+= 26.Kh1 Rc5 27.Ra4 Bc1 28.Ra8 Ke7 29.Bd4 Rd5 30.Ra7 Kf8 31.Bg1 Ne7?? 32.a4 Nf5+= 33.Ra8 Kg7= 34.Rh8 Kh8 35.a5 Bf4 36.g3 Ng3 37.Kg2 Nf5 38.a6 Nh4 39.Kf2 Rd8 40.Ra4 g5 41.a7 Ra8 42.Nc3 Bd6 43.Kf1 Nf3 44.Nb5 Be5 45.Kg2 Nh4 46.Kf1 Nf3+/– 47.Bf2 h5 48.Kg2 Nd2? 49.Bg3 Bg3 50.Kg3 h4 51.Kg4 Nb3 52.Nc7 Nc5 53.Ra1 Nb3 54.Na8 Na1 55.Nb6 Nb3 56.a8Q Kg7 57.Qb7 Kg6 58.Qe4 Kf7 59.Nd5 Kg8 60.Nf6 Kf7 61.Nh5 Nc5 62.Qd5 Ne6 63.Qf5 Ke7+– 64.Qh7 Kd6 65.Nf6 Ke5 66.Qh8 Kd6 67.Ne4 Kd5 68.Ng5 Ng5 69.Kg5 Ke4 70.Qh4 Kf3 71.Qf4 Ke2 72.h4 Kd3 73.h5 (73…Kc3 74.h6 Kb2 75.Qb4 Kc2 76.Qc4 Kd2 77.h7 Ke1 78.Qc1 Kf2 79.Qc2 Kg3 80.h8Q Kf3 81.Qh3#) 1–0. pinecrest1981 – StillBill, Live Game Caissa's Web, 2004.

4.e4 d5

5.Nc3 d4=+ 6.Nd5? c6–+ 7.c4 cd5 8.ba6 Ra6 9.c5 Bc5 10.Ba6 Na6 11.Qc2 Nb4 12.Qc5 Nd3 13.Ke2 Nc5 14.Nf3 Ne4 15.Rhc1 Bg4 16.h3 Bf3 17.gf3 Nd6 18.Rc5 Qb6 19.Ba3 Qa6 (19...Qa6 20.Ke1 Qa3 21.Rd5 Qf3 22.Rd6 Qe4 23.Kd1 Qh1 24.Ke2 Qa1–+) 0–1. icewater – Apracs, Caissa.com, 2004.

5.ed5 Qd5 =.

3.b5 Bb4

4.a3 Bc5 5.c4 Bb6 6.e4 d6 7.Qh5 g6 8.Qe2 Be6 9.Nf3 Qd7 10.h3 Qf7 11.d4 c5 12.d5 Bd7 13.Qd3 g5 14.Be2 Ba5 15.Nbd2 a6 16.Bc3 Bb6 17.0–0–0 a5 18.a4 Bc8 19.Nh2 h5 20.Bf1 Ne7 21.g3 f5 22.f4 g4? 23.fe5+– de5 24.Be5 Nd7?? 25.Bh8 Ne5 26.Be5 Ng6 27.Bf4 Bc7 28.Bc7 Qc7 29.Qe3 f4 30.gf4 Nf4 31.hg4 Bg4 32.Ng4 hg4 33.Rh8 Ke7 34.Rh7 Kd8 35.Rc7 Kc7 36.Qf4 Kd7 37.Qg4 Ke7 38.Bh3 Rf8 39.Rg1 Rf7 40.Qd7 Kf8 41.Qd8# 1–0. chevin – rutcho, Live Game Caissa's Web, 2004.

4.c4 d6 5.Nc3 Bc3 6.Bc3 c5 7.e4 Ne7 8.g3 0–0 9.Bg2 Be6 10.d3 Qc8 11.Ne2 Bh3 12.0–0 Ng6 13.f4 Bg4 14.f5 Be2 15.Qe2 Nh8 16.g4 Nf7 17.h4 h6 18.Bh3 Qd8 19.a4 Nd7 20.Kh2 Re8 21.Bd2 Nf8 22.a5 Nh7 23.Rg1 Kf8 24.a6+/– b6 25.Raf1 Ke7 ½–½. Melich,Jindrich (2170) – Muller,F, Prague Cedok op, 1996.

4.e3 c5 5.Qh5 g6=+ 6.Qd1 d5 7.c3 Ba5 8.a4 Bf5 9.Be2 d4 10.Bg4 Bb1 11.Rb1+= f5 12.Be2 d3 13.Bf3 e4 14.Bh5? Qf6?? 15.c4+– Qg5 16.Nh3?? Qg2=+ 17.Rg1 Qh3 18.Bh8 Qh2 19.Rf1? gh5 20.Qb3 b6 21.Qb2 Nd7 22.Qg7 Ndf6 23.Qb7 Rd8 24.Qc6 Ke7 25.Qc7 Rd7 26.Qh2+– Ke6 27.Bf6 Nf6 28.Rg1 Ng4 29.Rg4 fg4 30.Qf4 Rf7 31.Qe4 Kf6 32.Qc6 Kg7 33.Qe4 h6?? 34.Qd3 h4 35.Qe4 h3 36.Qe5 Kg6 37.Qg3 Kg5 38.f4 (38...Kf5 39.e4 Ke4 40.Qe3 Kf5 41.Qe5 Kg6 42.Qe6 Rf6 43.Qg4 Kf7 44.Qd7 Kf8 45.Qh3+–) 1–0. TIROLOCO – chessdv8, Live Game Caissa's Web, 2004.

4.e3 d5 5.Qh5 g6 6.Qh4 =+.

4.e3 d6

5.Qh5 g6 6.Qh4 Ba5 7.Bc4 Bf5 8.Nf3 Bc2?? 9.0–0?? d5=+ 10.Be2 Nd7 11.Nc3 Nb6 12.Rfc1 Bf5 13.d3 Qd7 14.Rc2 0–0–0 15.Rac1 g5 16.Qg3 h5 17.Nd1 h4 18.Nh4 gh4?? 19.Rc7+/– Qc7 20.Rc7 Kc7 21.Qf3?? Ne7?? 22.e4= de4 23.de4 Bg6 24.Qf6 Bb4?? 25.Be5+– Kc8 26.Bg4 Nd7 27.Ne3 Rhf8 28.Bd7 Kd7= 29.Qh4 Bd6 30.Qg4 Kc7? 31.Bc3?? Rf4=+ 32.Qe2 Rdf8 33.Qc4 Kb8? 34.f3?? Be4? 35.fe4 b6 36.Qe6 Bc5 (36...Bc5 37.Be5 Ka8 38.Bf4 Rf4+–; 36...Rf1 37.Nf1 Bc5 38.Bd4 Bd4 39.Ne3 Be3 40.Kh1 Rf1) 0–1. elsh1403 – gigisan99 (1630), internet, 2011.

5.Qh5 g6 6.Qh4 Ba5 7.Nf3 Bf5 8.Qa4 Bb6 9.Bc4 Nd7 10.d4 Bg4 11.Nbd2 Ne7 12.0–0 h5 13.Qb3+/– Rh7 14.h3 Bf3 15.Nf3 e4 16.Nd2 f5 17.a4 a5 18.f3 ef3 19.Nf3 Nf6 20.Ng5 d5 21.Nh7 dc4?? 22.Nf6 Kf7 23.Qc4 Kf6 24.e4 c6 25.Rad1 cb5 26.Qb5 Kf7 27.ef5 gf5 28.Qc4 Qd5 29.Qb5 Ra6?? 30.Kh1 Qb5 31.ab5 Ra8 32.d5 Rd8 33.d6 Ng6 34.Rf5 Kg8 35.Rg5 Kh7 36.d7 Be3 37.Rf5 Ne7 38.Rf7 Kg6 39.Re7 Bc5 40.Re8 Bb6 41.Rd8 Bd8+– 42.c4 a4 43.c5 Kf7 44.c6 bc6 45.bc6 Ke7 46.Be5 a3 47.c7 Bc7 48.Bc7 a2 49.d8Q (49.d8Q Kf7 50.Rf1 Kg7 51.Qf6 Kh7 52.Qf7 Kh6 53.Bf4) 1–0. elsh1403 – gigisan99 (1645), internet, 2011.

5.Qh5 g6 6.Qh4 Ba5 7.f4 Nd7 8.Bc4 Nb6 9.Bb3 ef4 10.Qf4 g5 11.Qe4 Qe7 12.Qd4 Be6 13.Nf3 h6 14.0–0 0–0–0 15.c4 Bb4 16.Ba3 Bc5 17.Bc5 dc5 18.Qc3 Bg4 19.d4 Bf3 20.Rf3 cd4 21.ed4 Nd7 22.Nd2 Qf8 23.a4 Ne7 24.c5 c6 25.a5 cb5 26.a6 Nc6 27.ab7 Kb8 28.Rff1 f5 29.d5?? b4?? 30.Qg3+– f4 31.Qf2 Nce5? 32.c6 Nb6? 33.Nc4! Nec4 34.Bc4 1–0. elsh1403 – gigisan99 (1625), internet, 2011.

5.Qh5 g6 6.Qh4 Ba5 7.f4 Bf5 8.fe5 de5 9.Qa4 c6 10.Nf3 Ne7 11.Bc4 b6 12.0–0 cb5 13.Bb5 Bd7 14.Nh4 Nbc6? 15.Rf6+/– Qc7 16.c4 0–0–0 17.d4 ed4 18.ed4 Nb4 19.Nc3 Bb5? 20.Nb5+– Qc4?? 21.Rc1 Qc1 22.Bc1 Ned5 23.Na7 Kb8 24.Rf7 Nc7 25.Bf4 Ka7 26.Rc7 Ka8 27.Nf3 (27.Nf3 Rc8 28.Re7+–) 1–0. elsh1403 – gigisan99, internet, 2011.

3.b5 b6

4.a4 Bb4 5.c3 Ba5 6.d4 ed4 7.Qd4 Ne7 8.Nd2 0–0 9.Nb3 Nf5?? (better is 9...a6=) 10.Qd5+– Kh8 11.Qa8 Nd6 12.Na5 Re8 13.Qb8 Qe7 (13...ba5 14.e3+–) 14.Qc7 ba5 15.Ba3 Qe5 16.Bd6 Qe4 17.Qa7 Qc4 18.Qa5 Qd5 19.Qc7 Bb7 20.Qd7 Qe4 21.Nf3 Bc8 22.Qf7 Bg4 23.Bf8 Be6 24.Qg7 (24.Bg7) 1–0. Okeefe,Michael (2190) – Holmquist,Marson, VD–2010–0–00003, 2010.

4.a4 Bb7 5.d3 c5 6.c4 d5 7.cd5 Bd5 8.Nf3 a5 9.Nc3 Be6 10.e4 Bg4 11.Be2 Ne7 12.h3 Bh5 13.0–0 Bf7 14.Ne1 g6 15.f4 Bg7 16.f5 g5 17.g4 Nd7 18.Rc1 Rc8 19.Nc2 Nf8 20.Ne3 h6 21.Bf3 Nh7 22.Ned5 Nd5 23.Nd5 Bd5 24.ed5 Qd6 25.Be4 0–0 26.Ba3 Rfe8 27.Qb3 Kh8 28.Rfd1 Nf8 29.d4 ed4 30.Rd4 Qf4 31.Rdd1?? Qe4 32.Re1 Qd4 33.Kg2 Nd7 34.Bb2 Qd2 35.Kg3 Re1 36.Bf6 Rc1 37.Bg7 Kg7 (37...Kg7 38.Qd1 Rc3 39.Qf3 Qf4 40.Kf2 Qf3 41.Ke1 Re8 42.Kd2 Qd3) 0–1. iczker – yciak, internet, 2011.

4.a4 d5 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.a4 b6).

4.Nc3 a6 5.a4 d5 6.e4 de4 7.Ne4 Be6 8.Nf3 =.

4.c4 Bc5 5.e3 Nh6 6.Be2 Bb7= 7.Nf3 d5 8.cd5 Qd5 9.Nc3 Qd7 10.0–0 0–0 11.d4+/– ed4 12.Nd4 Qe7 13.Bf3+/– Bf3 14.Qf3 Nd7 15.Nf5 Nf5+/– 16.Qf5 Ne5 17.Rfd1 Rad8 18.Nd5 Qf7 19.h3?? Rd5–+ 20.Rd5 Qd5 21.a4 Qd2 22.Qe6 Nf7 23.Bc1 Qd6 24.Qe4 Qe5 25.Qe5 Ne5 26.Bb2 Rd8 27.Be5 fe5 28.Rc1 Rd2 29.Kf1 Ra2 30.Rc4 Kf7 31.Ke1 Ke6 0–1. gtate (1900) – kecker (1915), net–chess.com, 2006.

4.c4 d5 5.e3 d4 6.ed4+/– ed4 7.a4 c5 8.Qf3 Qe7=+ 9.Ne2 Bb7 10.Qg3 Nd7 11.f4 f5 12.d3 Ngf6 13.h3 Qe6 14.Nd2 Nh5 15.Qf2 Bd6 16.0–0–0 0–0–+ 17.Rg1 a6 18.Re1 Rfe8 19.g4? Nf4!–+ 20.g5 Nd3 (20...Nd3 21.Kb1 Nf2–+) 0–1. Baer,Cy (1895) – Smiley,William (2055), remoteschach.de, 2007.

4.d4 d6 5.c4 Nh6 6.e4 Be7 7.d5 Nd7 8.Nd2 Nc5 9.f3 0–0 10.Nb3 Nb3 11.Qb3 f5=+ 12.Bd3 fe4 13.Be4= Bf5 14.Qd3 Be4 15.Qe4 Nf5 16.Ne2 Qd7 17.Bc3 Rae8 18.a4 Bg5 19.Bd2 Bd2=+ 20.Kd2 a5 (20...Qe7 21.h4=+) ½–½. Wartig,Wolfgang – Kopplin, Berlin Stadtevergleich, 1989.

4.d4 Ne7 5.de5+/– Nf5? 6.Qd5 c6 7.bc6 Ne7?? 8.cd7 Qd7 9.Qa8 Na6 10.ef6 gf6 11.Bf6 Rg8 12.e4 Rg4 13.Ba6 Kf7 14.Be7 Qe7 15.Qc8 Qe4 16.Ne2 Qg2 17.Rg1 Bb4 18.c3 Bc3 19.Nbc3 Rg8 20.Bc4 Ke7 21.Qe6 Kf8 22.Qf7# 1–0. Rosner,Dirk – Krahl,Wolfgang, corr GTM, 2001.

4.e3 c5 5.Qh5 g6= 6.Qf3 Qc7?? 7.Qa8+– Kf7 8.Qd5 Kg7 9.Bc4 d6 10.Nc3 Ne7 11.Qf3 Nf5 12.Ne4 Nd7 13.Be6 Be7 14.Bf5 gf5 15.Ng3 f4 16.Nf5 Kf7 17.Qh5 Ke6 18.e4 Rg8 19.Qh7 Re8 20.Ng7 Kf7 21.Ne8 Ke8+– 22.Qg8 Nf8 23.Nf3 Bb7 24.d3 c4 25.dc4 Be4 26.0–0 Qc4 27.Nd2 Qc2?? 28.Ne4+– Qb2 29.Rac1 Qb5 30.Rb1 Qc6 31.Nd2 b5 32.Nb3 a6 33.Rbc1 Qb6 34.Qd5 f3 35.Rc8 Kd7 36.Rfc1 1–0. OPA – pele1000, Live Game Caissa's Web, 2004.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 b6).

4.e3 Ne7? 5.Qh5+– Ng6 6.Bd3 Bd6?? 7.Bg6 Kf8 8.Nf3 Qe7 9.0–0 Bb7 10.Nh4 Kg8 11.Nf5 Qd8 12.Bf7 Kf8 13.Nd6 cd6 14.Ba3 Qe7 15.Bb3 a6 16.c4 ab5 17.cb5 Qe8 18.Qh4 Qg6+– 19.f3 Ke7 20.Qb4 f5 21.d4 e4 22.f4 h5 23.Nc3 h4 24.Nd5 Bd5 25.Bd5 Ra5 26.Rac1 Ra7 27.Be4! fe4 28.f5 Qh6 29.Rc2 Qe3–+ 30.Rcf2 Qa3 31.f6 gf6 32.Qa3 Ra3 33.Rf6 Kd8 34.R6f4 Kc7 35.Re4 Ra2 36.Rc1 Kb7 37.Re7 Rg8 38.g3 Rg7 39.Rg7+– 1–0. elsh1403 – zenusll, internet, 2011.

4.e4 c6 5.Nf3 c5? 6.Bc4 Nh6?? 7.0–0 d6?? 8.Bd5+– Qd7 9.Ba8 Qb5 10.Bc3 Ng4 11.h3 h5 12.hg4 hg4 13.Nh2 Nc6 14.Bc6 (14.Bc6 Qc6 15.d3+–) 1–0. agluis (2090) – bsmiley, net–chess.com, 2003.

4.e4 g6 5.Nf3+= d6 6.Bc4 Bd7 7.0–0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c5 11.Nc3 Ne7 12.Nd5 Nd5+= 13.ed5 Qe7 14.Be2 Bg7 15.c4 0–0 16.d3 g5 17.Nd2 f5 18.Bh5 Be8 19.Be8+= Qe8 20.Nf3 h6 21.h4 g4=+ 22.Nh2 Bf6 23.g3 Rf7 24.Re1 Ra7=+ 25.Bc3 Nd7 26.Nf1 h5 27.Ne3= f4 28.Nf5 Be7 29.Nh6 Kg7= 30.Nf5 Kh7 31.Qc2 f3 32.d4! Nf6?? 33.Nd6 Kg7 34.Ne8 Ne8 35.de5 Kf7 36.d6 Bf8 37.Qh7 Bg7 38.e6 Kf8 39.Bg7 Ng7 40.e7 (40.e7 Re7 41.Re7 Ne6 42.Qf7#; 40.Qh8#) 1–0. stoker – zerz, Caissa.com, 2004.

4.Nf3 Bb7 5.e3 a6 6.a4 a5 7.Bc4 Ne7 8.0–0+= d5 9.Bb3 c6 10.c4 cb5 11.cb5 Nd7 12.d4 g5? 13.de5+– Ng6 14.ef6 Nf6 15.Ng5 Bg7 16.Ne6 Qe7 17.Ng7 Qg7 18.Nc3 0–0–0 19.Nd5! Nh4 20.Qc2 Kb8 21.Nf4 Bg2 22.Be5 Ka7?? 23.Qc7+– Qc7 24.Bc7 Rd2? 25.Ng2 Ng2 26.Kg2 h5 27.Rad1 Rd1 28.Rd1 Kb7 29.Be5 Rf8 30.Rd6 Ne8 31.Bd5 Kc7 32.Rf6 Kd7 33.Rf8 h4 34.Re8! Ke8 35.Bc7 Kd7 36.Bb6 Kd6 37.Bc6 Ke5 38.Ba5 Kf5 39.Bc7 Kg4 40.b6 h3 41.Kg1 Kf5 42.a5 (42.a5 Kg5 43.b7 Kg6 44.b8Q Kg5 45.Qg8 Kf6 46.Bd8 Kf5 47.Qf7 Ke5 48.Bc7#; 42.b7 Kg6 43.b8Q Kf6 44.Qg8 Kf5 45.Bd7 Kf6 46.Bd8 Ke5 47.Qe6#) 1–0. pumpkin (2375) – sbderkach (2030), net–chess.com, 2009.

4.Nf3 Bc5 5.e3 Ne7 6.c3 d5 7.d4 ed4 8.cd4 Bd6 9.Nc3 0–0 10.Qb3 Be6 11.e4 c6 12.bc6 Qc8?? (better is 12...Nbc6 13.ed5 Na5+=) 13.ed5+– Bf7 14.Bc4 a6 15.a4 Qe8 16.0–0 a5 (16...Qd8 17.Rfe1+–) 17.Rfe1 (17.Nb5!? Nc8 18.Ba3 Qd8+–) 17...Qc8 18.Ba3 Ba3 19.Qa3 (19.Ra3 Qd8 20.Nb5 Nd5+–) 19...Nf5 (19...Nec6 20.dc6 Bc4 21.d5+–) 20.Bb5 Na6 21.d6 (better is 21.Ba6!? Ra6 22.Rac1 Rd8+–) 21...Nb4 22.d5! Nd6 (22...Nd5 23.Nd5 Combination; 22...Bd5 23.Nd5 Combination) 23.Nd4 Bd5?? (better is 23...Nb5 24.Ncb5 Bd5+/–) 24.Nd5+– Nd5 25.Qd6 Rd8 26.Qe6 Kh8 27.Qc8 Rac8 28.Ne6 Rg8 29.Rac1 Nb4 30.c7 h6 31.Red1 Kh7 32.Rd8 Kh8 33.Rc8 Rc8 34.Rd1 Kh7 35.Rd8 (35.Rd8 Rc7 36.Nc7+–) 1–0. Fournier,Frederic – Cornille,Gerard, Partie Libre, 1996.

4.Nf3 d5 5.e3 Bd7 6.a4 c6 7.c4 Bc5 8.d4 Bb4 9.Bc3 Bc3 10.Nc3 e4 11.Nd2 Ne7 12.Be2 0–0 13.0–0 Qc7 14.Rc1 a6 15.cd5+– cd5 16.Nd5! Qd6?? 17.Ne4 Qd5 18.Bc4 Be6 19.Bd5 Bd5 20.Nc3 (20.Nc3 ab5 21.Nd5 Nd5 22.Qb3+–) 1–0. Gegonz – Shakkimestari, internet, 2006.

4.c4 Bb7

5.Nc3 Ne7 6.e3 a6 7.Nf3 Nf5 8.d4 ed4 9.Nd4 Nd4 =.

5.Nc3 Ne7 6.e4 d6 7.d4 Ng6 8.Nh3 Nd7 9.Nd5 Be7 10.Qg4 Ndf8 11.f4 ef4 12.Nhf4 Bc8 13.Qh5 Qd7 14.Be2 Kd8 15.0–0 Qe8 16.Nd3 Bd7 17.N3b4 Ne6 18.Bg4 Ngf8 19.Ne7 Ke7 20.e5 Qh5 21.ef6 gf6 22.Bh5 Ng7 23.Nd5 Kd8 24.Bf3 Rc8 25.Nf6 h5 26.d5 Bf5 27.Nh5 (27.Nh5 Nd7 28.Ng7+–) 1–0. De Visser,Arno – Schurer, Hoogoven, 1985.

5.e3 a6 6.Nf3 Nh6 7.Nc3 Bc5 8.Bd3 ab5 9.cb5 d5 =.

5.e3 Bb4 6.Nf3 c5 7.a3 Ba5 8.Be2 e4 9.Ng5 Ne7 =.

5.e3 Bc5 6.d4 Bb4 7.Bc3 Qe7 8.Nf3 a6 9.a3 Bc3 =.

5.e3 Bd6 6.Nf3 a6 7.d4 Bb4 8.Bc3 Qe7 9.a3 Bc3 =.

5.e3 Be7 6.Nf3 a6 7.d4 e4 8.Nfd2 f5 9.Be2 Nf6 =.

5.e3 Ne7 6.Nf3 e4 7.Nh4 d5 8.Be2 Qd6 9.d3 ed3 =.

5.e3 Nh6 6.Nf3 Nf7 (6...a6 7.Nc3 Bc5 8.Bd3 ab5 9.cb5 d5 5...Nh6; 6...a6 7.a4+=) 7.Be2 Bf3 (7...a6!?+= should not be overlooked) 8.Bf3 c6 9.0–0 Qc7 (9...f5 10.Be2+/–) 10.g3 (10.Nc3 Bb4+/–) 10...d6? (better is 10...a6!?+/–) 11.Nc3 a6? (11...f5 12.d3+–) 12.bc6 (12.Qa4 seems even better 12...Nd8+–) 12...Nc6 13.Qa4 Nfd8 14.d4 (14.Nd5 and White can already relax 14...Qb7 15.Rab1 Ra7+–) 14...Qd7 (14...Qc8 15.Nd5 Qb8 16.Qc2+–) 15.Rfd1 (15.Nd5 makes it even easier for White 15...Rb8+–) 15...Ra7 16.Rd2 (16.Rab1 f5+–) 16...Be7 (16...Na5 17.Bh5 Nf7 18.Qb4+/–) 17.Rad1 (17.Nd5 b5 18.cb5 ab5 19.Qb5 Rb7+–) 17...0–0 (17...ed4 18.ed4 b5 19.cb5 ab5 20.Qb3+–) 18.Nd5 (18.Qb3 Nf7 19.Nd5 Bd8 20.Nb6 Bb6 21.Qb6 Rc8+/–) 18...b5 19.cb5 ab5 20.Ne7 Qe7 21.Qb5 Rb7?? Black crumbles in face of a dire situation (better is 21...e4 22.Qd5 Nf7 23.Qe4 Qe4 24.Be4 Ne7+–) 22.Qc4 (22.Bc6?! is a useless try 22...Rb5 23.Bb5 e4=) 22...Kh8 23.Bc6 Nc6 24.Qc6 Rc7 25.Qd5 e4 (25...Ra7 cannot change destiny 26.de5 de5 27.Qd8+–) 26.Qf5 (26.Rc1!? keeps an even firmer grip 26...Qf7 27.Qe4 Rc1 28.Bc1 d5+–) 26...g6 27.Qh3 d5 28.Qg4 f5 29.Qe2 f4 30.ef4 Qd7 31.Rc2 Ra7 32.Ba1 Ra3 33.Rdc1 g5 34.fg5 Raf3 35.Qa6 Qf5 36.Qd6 Rf2 37.Qe5 Qe5 38.de5 R2f3 39.e6 Kg8 40.Rc8 Rc8 41.Rc8 Rf8 42.Rc6 (42.Rc6 Ra8 43.Rd6+–) 1–0. Zielke,Bernd – Unterhauser,Heinz, Kiel op, 2000.

5.Nf3 a6 6.e3 Ne7 7.Nc3 Nf5 8.d4 ed4 9.Nd4 Nd4 =.

5.Nf3 Bb4 6.a3 Ba5 7.e3 a6 8.Be2 Ne7 9.0–0 0–0 =.

5.Nf3 Bc5 6.d4 Bf3 7.gf3 ed4 8.Bd4 Qe7 9.Rg1 Bb4 =.

5.Nf3 Bd6 6.e3 Nh6 7.d4 Bb4 8.Bc3 Qe7 9.Be2 ed4 =.

5.Nf3 e4 6.Nd4 Nh6 7.Qc2 a6 8.Nc3 f5 9.e3 Bc5 =.

5.Nf3 Be7 6.e3 a6 7.d4 e4 8.Nfd2 f5 9.Be2 Nf6 =.

5.Nf3 Ne7 6.d4 e4 7.Nfd2 a6 8.e3 f5 9.Nc3 ab5 =.

5.Nf3 Nh6 6.e3 a6 7.Nc3 Bc5 8.Bd3 ab5 9.cb5 d5 =.

4.d4 ed4

5.Qd4 Bb7 6.Nc3 +=.

5.Qd4 c5?? 6.bc6 Nc6= 7.Qc4 Qe7 8.e3 a6 9.Nf3 b5 10.Qc3 b4 11.Qc4 a5 12.Be2 Ba6 13.Qb3 Be2 14.Ke2 a4 15.Qd3 Rd8 16.Rd1 Qc5 17.Nd4?? Nd4 18.Bd4= Qe7 19.Nd2 d5 20.Qb5 Rd7 21.Qa4 Qd6 22.Nb3 Be7?? 23.Nc5+– Nh6 24.Nd7 Qd7 25.Qd7 Kd7 26.c3 Kc6 27.cb4 Bb4 28.a3 Bd6 29.Rdc1 Kd7 30.a4 Ra8 31.a5 Nf5 32.a6 Nd4 33.ed4 Bb8 34.Rcb1 Ba7 35.Rb7 Ke6 36.Rg7 Bd4 37.Ra4 Ba7 38.Rh7 Kf5 39.Rb7 Ke5 40.h4 Kf5 41.h5 Kg5 42.g4 1–0. bashful – butchie, Live Game Caissa's Web, 2004.

5.Bd4 a6 6.e3 Bb7 7.Nf3 Bb4 8.Nbd2 =.

4.e3 a6

5.a4 ab5 6.ab5 Ra1 7.Ba1 Bb7 8.Be5?? fe5–/+ 9.Qh5 g6?? 10.Qe5+– Qe7 11.Qc7 Be4 12.Qb8 Kf7 13.Nf3 Bg7? 14.Qf4 Bf6 15.Ng5 Kg7 16.Ne4 Be5 17.Qg5 Nf6 18.Nf6 Bf6 19.Qd5 Rc8 20.Bd3 (20.Bd3 Rc5 21.Qb7+–) 1–0. Kreuzer,Uwe – Beyer, Ludwigs Active chess, 1989.

5.a4 c6 6.c4 c5 7.Be2 Bb7= 8.Nf3 d5 9.Nh4 d4 10.ed4 ed4 11.d3 Bd6= 12.0–0 Ne7 13.Bf3 Bf3 14.Qf3 Nd7 15.Re1 Ne5 16.Qh5 g6 17.Qh6 Nf7 18.Qg7 Be5 19.Nf3 Nf5–/+ 20.Ne5 fe5?? 21.Re5!+/– Ne5?? 22.Qh8+– Kd7 23.Qe5 Kc8 24.Bc1 Kb7 25.Qe4 Ka7 26.Bf4 Rc8 27.Nd2 Qf8 28.Nf3 Re8 29.Qc6 Re7 30.Bc7 Rc7 31.Qc7 Ka8 32.Qb6 g5 33.ba6 Qc8+– 34.Rb1 Ne7 35.Qb7 Qb7 36.ab7 Kb8 37.Ng5 h6 38.Ne6 Nc6 39.Nc5 h5 40.Nd7 Kc7+– 41.b8Q Nb8 42.Nb8 Kc8 43.a5 Kc7 44.a6 Kc8 45.a7 Kc7 46.a8Q Kc8 47.Qc6 Kd8 48.Qd7 1–0. secgestor – rrobas (1695), internet, 2007.

5.c4 ab5 6.cb5 d5 7.Nf3 Bc5 8.Be2 Ne7 9.0–0 0–0 10.d4+= e4 11.dc5+/– ef3 12.Bf3 bc5 13.Nc3 c6 14.bc6+/– Nbc6 15.Nd5 Ng6? 16.Qb3 Kh8 17.Rfd1 Be6 18.Qc3 Ra5?? 19.Nf4 Qe8 20.Ng6 hg6 21.Bc6 Qc8 22.Qa5 Qc6 23.Rd8 Rd8 24.Qd8 Kh7 25.Rd1 Bc8 26.f3 Qa4 27.Rd2 Qb4 28.a3 Qb7 29.Qd5 Qb5 30.h4 Bb7 31.Qf7 Ba6 32.Bf6 Qf1 33.Kh2 (33…Qg1 34.Kg1 Kh6 35.Qg7 Kh5 36.g4#) 1–0. Van Esbroeck – Windey, Beveren, 1996.

5.Be5 ab5 6.Bd4 b4 =.

5.Be5 ab5 6.Bf4 b4 =.

5.Be5 fe5?? 6.Qh5 g6 7.Qe5 Qe7 8.Qh8 +–.

5.Nf3 e4 6.Nd4+= d5 7.c4 ab5 8.Nb5 c6= 9.Nd4 Bc5 10.d3 Bd4 11.Bd4 c5 12.Bb2 dc4 13.Nc3?? ed3–/+ 14.Qa4?? Ra4–+ 15.Na4 Qc7 16.g3 Bb7 (16...Bb7 17.Rg1 b5–+) 0–1. gtate (1840) – cwhite (1780), net–chess.com, 2002.

5.Qh5 g6= 6.Qf3 c6 7.bc6 Nc6 8.Bc3 Bb7 9.e4 Bg7 10.Ne2 Nge7 11.d4 ed4 12.Nd4= Nd4 13.Bd4 Nf5 14.Bc3 Qe7 15.Bd3 0–0 16.0–0 Rfe8 17.Bc4 Kh8 18.Bd5 Bd5 19.ed5 Qc5 20.Nd2 Nd4 21.Qd3?? Ne2 22.Kh1 Nc3 23.Nb3 Qd5 24.Nd4?? f5 25.Rfe1 Re1 26.Re1 Bd4 27.Qd2 Ne4 28.Kg1 Nd2 0–1. Ramos Bonilla,I – Hughes,W, Telecomm, 1995.

4.e3 Bb7

5.c4 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Bb4 9.Qb3 Bc5 10.d4= ed4 11.ed4 Bd6 12.Nd2 Qe7 13.Qe3 Nh6 14.Qe7 Ke7 15.Ngf3 Bb4 16.Be2 Bf3 17.Bf3+/– Re8 18.Kd1 d6 19.Re1 Kf7 20.Re8 Ke8 21.Nb3 Nd7 22.Bc6 g6 23.h3 Ke7 24.f4 Nf5 25.Ke2 Nf8 26.g4+– Nh4 27.Bb2 Ne6 28.Nd2?? Bd2 29.Kd2 Nf4 30.d5 f5 31.gf5 Nf5–/+ 32.Bh8 Nh3 33.Ba8 Ng5 34.Bb7 Ne4–+ 35.Kd3?? Nc5 36.Ke2 Nb7 37.Kf2 Na5 38.Kg2 Nc4 39.Kh1 Kf7 40.Kh2 Ng7 41.Kh3 Kg8 42.Kg4 Ne3 43.Kg5 Nd5 44.Kh6 Kh8 45.Kg5 Nc3 46.Kh6 Nb5 47.Kg5 d5 48.Kf6 d4 49.Kf7 d3 50.Kf8 d2 51.Ke7 d1B (51...d1B 52.Kf6 c5–+; better is 51...c5 52.Kf6–+) 0–1. PondScum – a129, Caissa.com, 2004.

5.c4 a6 6.d4 ab5 7.cb5 Bb4 8.Nd2 ed4 9.Bd4 =.

5.c4 d5 6.Nf3 Bd6 7.Be2 Nh6 8.0–0 0–0 9.Qc2 c6 10.a4 cb5 11.cb5 Nd7 12.Nh4 Rc8=+ 13.Nc3 d4 14.Nf5? Nf5–+ 15.Qf5 dc3 16.Bc3 Nc5 17.Qb1 Qe7 18.Bc4 Kh8 19.d3 Ne6 20.Rd1 f5 21.Qb2 Nc7 22.Bb3 Qg5 23.e4 fe4 24.de4 Be4 25.f3 Bf3 26.Rd6 Qe3 27.Kh1–/+ Ne8 28.Be5+= Bg2 29.Kg2 Qg5 30.Kh1 Nd6 31.Bd6?? Rfd8 32.Rg1+/– Qf6 33.Be5 Qf3+/– 34.Qg2 Qg2 35.Rg2 Rc1 36.Rg1 Rg1 37.Kg1 ½–½. Cools,Gorik (2265) – Devis, Beveren, 1995.

5.d4 Bb4 6.c3+= Ba5 7.de5 fe5 8.Qh5+/– Ke7 9.Ba3 d6+/– 10.Qg5 Kd7? 11.Qg7 Ne7+/– 12.Qg4 Ke8 13.Nf3 Bf3? 14.Qf3+– Nd7 15.Bc4 Rf8 16.Qh5 Ng6 17.Qh7 Qg5 18.0–0 Ne7 19.Qe4 Rc8 20.Be6 Qg6 21.Qg6 Ng6 22.Bb2 Ke7 23.Bd7 Kd7 24.c4 Bb4 25.Nc3 Bc3 26.Bc3 Ra8 27.a4 Rf7 28.g3 Nf8 29.f4 ef4 30.ef4 Ne6 31.a5 Rg8 32.f5 Ng7 33.Bg7 Rgg7 34.ab6 ab6 35.Kg2 Rg5 36.f6 Rg6 37.h4 Rff6 38.Rf6 Rf6 39.Rf1 Rh6 40.Rf7 Kd8 41.Kh3 Rh5 42.g4 Rc5 43.Rf4 d5 44.cd5 Rd5 45.h5 Rb5 46.h6 Re5 47.Rf8 Ke7 48.h7 (48.h7 Re3 49.Kh4 Kf8 50.h8Q Ke7 51.Qg7 Ke8 52.Qc7+–) 1–0. MarcosRamos (1695) – bdschwanke82 (1645), internet, 2007.

5.d4 ed4 6.Bd4 a6 7.Nf3 ab5 8.Bb5 =.

5.d4 ed4 6.Bd4 Ne7 7.Nf3 Ng6 8.Bd3+= Bb4 9.Nbd2 Ne7 10.0–0 d6 11.a3 Bd2 12.Qd2 Qd7 13.c4 Qg4 14.h3 Qh5 15.Be2 Qf7 16.a4 0–0 17.Qc2 Nd7 18.Bd3 Ng6 19.Nh2 Rae8 20.Ng4 f5= 21.Nh2 Nde5 22.Be2 Nh4 23.f3 Qg6 24.g4 fg4 25.Qg6= Neg6 26.hg4+= Rf7 27.Kf2 Rfe7 28.Kg3 Rf7 29.Rae1 Ref8 30.f4 Ng2 31.Rc1 Re8 32.Bf3+/– Ne3 33.Bb7+– Nf1 34.Rf1 Re2? 35.Bd5 (35.Bd5 Ne7 36.Bf7 Kf7 37.Nf3+–) 1–0. AbstractPoetic – belinky, internet, 2007.

5.d4 e4 6.Nh3 a6 7.a4 d5 8.Nf4+= Qd7 9.c4 g5 10.Nd5+/– ab5 11.Nbc3 bc4 12.Bc4+/– Bb4?? 13.Nb4 c6 14.Ba3 Nh6 15.Qh5 Nf7 16.Ne4 c5 17.Nf6 (17.Nf6 Kd8 18.Nd7 Nd7 19.Bf7+–) 1–0. pcmvr (1700) – presort, net–chess.com, 2006.

5.Nf3 a6 6.a4 d6 7.c4 Ne7 8.Nc3 Nd7 9.Be2 Nc5 10.0–0 a5 11.d4 Ne4 12.Qb3 Nc3 13.Bc3 e4 14.Nd2 d5 15.c5 g6 16.Rad1 h5 17.f3 Nf5 18.Bb2 Bh6 19.f4 Bf8 20.Rc1 Rh7 21.Rc2 Kf7 22.Rfc1 Kg8 23.Kf2 (23.Ne4 Qe7 24.c6 Qe4 25.cb7 Rb8+–) 23...g5 (better is 23...Re7!?+/–) 24.Ne4 gf4 25.ef4 Kh8 26.Ng3 Ng3 27.Qg3 Rg7 28.Qh4 Rh7 29.Bd3 Rh6 30.Re2 Bc8 31.Rce1 (31.f5!? Kg7+–) 31...Bg4 32.Re8! Qe8 33.Re8 Re8 34.h3 Bc8 35.cb6 (35.Bc3 bc5 36.Ba5 Bd6+–) 35...cb6 36.f5 Bb4 37.Qf4 Kh7?? (better is 37...Rh7+/–) 38.Bc1+– (38.Bc1 Bf8 39.Qc7 Kg8 40.Qg3 Kh8 41.Bh6 Bh6 42.Qg6 Be3 43.Ke2+–) 1–0. Khakimzianov,Rinat – Musikhin,Alexandr (1990), Ufa Dautov Memorial, 2007.

5.Nf3 Bc5 6.Be2 Ne7 7.0–0 0–0 8.d4 Bd6 9.de5 fe5 10.Ne5 Nf5 (10...Be5 11.Be5 Ng6 12.Bg3+/–) 11.Nf3 (better is 11.Bc4 Kh8 12.Nf7 Rf7 13.Bf7+/–) 11...c6?? (11...a6 12.a4+/–) 12.Nd4 (better is 12.e4+–) 12...Nd4 13.Qd4 (13.ed4?! cb5 14.Bb5 Qh4 15.Bc4 Kh8+=) 13...Qc7?? (better is 13...Qe7+/–) 14.Qg7 1–0. Kappel,Ray – Holmquist,Marson, 2011–STP–1 Lechenicher SchachServer, 2011.

5.Nf3 Bc5 6.Be2 Ne7 7.0–0 0–0 8.d4 e4 9.dc5 ef3 10.Bf3 c6 11.bc6 Bc6 12.cb6 Qb6 13.Ba3 Re8 14.Nc3 g5?? 15.Rb1 Qc7 16.Bh5 Ng6 17.Nd5 Qd8 18.Qd4 Kh8 19.Nf6 Bg2 20.Ne8 Kg8 21.Qg7# 1–0. Bury born and bred – Papa Lazarou II, ChessWorld.net, 2004.

5.Nf3 Bc5 6.Be2 Ne7 7.0–0+= 0–0 8.d4 e4? 9.dc5+– ef3 10.Bf3 Bf3 11.Qf3+– c6 12.cb6 ab6+/– 13.c4 d6 14.a4 Qd7 15.Nc3 Ra7 16.Rfd1 c5 17.Nd5 Nc8 18.Bc3 Qe6 19.a5 Nd7 20.ab6 Ra1+/– 21.Ra1 Ncb6 22.Nb6 Nb6+= 23.Ra6 Rb8?? 24.Rb6!+– Rd8 25.Qd5 Qd5 26.cd5 Kf8 27.Rc6 Ke8 28.Kf1 (28.Kf1 Rd7 29.b6+–; 28.b6 Rd7+–) 1–0. Bittner – Toma,Dana, 1987.

5.Nf3 c6 6.d4 e4 7.Nfd2 c5 8.c4 cd4 9.Bd4 Bb4 10.a3+/– Bc5 11.Bc5+– bc5 12.Qh5 g6 13.Qc5 Qe7 14.Qe7 Ne7 15.Nc3 0–0 16.Nde4 d5 17.Nd6 Bc8 18.Nd5 Nd5 19.cd5 Nd7 20.Rc1 Nb6 21.e4 Bd7 22.Rc7 a6 23.ba6 Ba4 24.Rb7 Rab8 25.Kd2 Rfd8 26.Be2 Rb7 27.ab7 Kf8 28.Rb1 Nd7 29.Rb4 Ke7 30.Nc8 Ke8 31.Ra4 Ne5 32.b8Q f5 33.Qe5 Kf7 34.Ra7 Kf8 35.Qh8 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Nf3 d5 6.c4 Bc5 7.Be2 Ne7 8.0–0 e4 9.Nd4 Qd6 10.Nb3 Nd7 11.Nc5 Nc5 12.Qc2 0–0–0 13.g3 g5 14.d4 ed3 15.Bd3 Nd3 16.Qd3 dc4 17.Qc4 h5 18.Nc3 f5 19.Rad1 Qg6 20.Ne2 h4? 21.Rd8?? Rd8= 22.Be5 Rd7 23.Rc1 c5 24.bc6 Bc6 25.Nd4 Rd4? 26.Qd4 hg3 27.fg3 Qe6 28.Bd6 Qa2?? 29.Kf1 Qg2 30.Ke1 Qg1 31.Kd2 Qg2 32.Kd1 Kb7 33.Qd2 Bf3 –/+ (34.Kc2 Be4 35.Kd1 Qg1 36.Qe1 Bf3 37.Kc2 Qh2 38.Kb1 Be4 39.Ka1 Qh8 40.Ka2 Qg8 41.Kb2 Nd5–+) 0–1. valpa – JuliusCaesar, playchess.de, 2003.

5.Nf3 d5 6.Be2 Nd7 7.0–0 Bd6 8.c4 d4 9.ed4+/– Qe7 10.c5 bc5 11.dc5 Bc5 12.d4 Bd4 13.Nd4+– ed4 14.Bd4 0–0–0 15.Ba7+– Ne5 16.Qc2 Rd7?! 17.f4 Ng6 18.Bg4 Kd8 19.Bd7 Qd7 20.Rd1 Qd1 21.Qd1 Ke8 22.Qc2 N8e7 23.Qc7 Bd5 24.Nc3 Rf8 25.Nd5 Nd5 26.Qc6 (26.Qc6 Kd8 27.Qd5 Ke8 28.Re1 Ne7 29.Qe6 Kd8 30.Qe7 Kc8 31.Rc1#) 1–0. pcmvr – aliwood, internet, 2005.

5.Nf3 d6 6.Bc4 Nd7 7.d4 e4 8.Nh4 d5+– 9.Qh5 g6 10.Ng6! hg6 11.Qh8 Nh6 12.Ba3= Nf7 13.Qg8 dc4 14.Qg6 Ba3 15.Na3+= Bd5 16.Qf5 Nf8 17.0–0 Nh6 18.Qh5 Nf7= 19.Nb1 Qd7 20.Nc3 Bb7 21.a4 0–0–0 22.a5+/– Ne6 23.ab6+– ab6 24.Ra4 Rh8 25.Qf5 Qd6 26.g3 Nfg5+= 27.f4 ef3=+ 28.d5 Kb8 29.de6?? Nh3 30.Kh1 f2 31.e4 Qd4 32.Ra3+= Qd6 33.Qf6 Rf8–+ 34.Qg7 Qa3 35.e7?? Re8 36.Qf7 Qe7 37.Qe7 Re7 38.Kg2 Ng5 39.Rf2 Ne4 40.Ne4 Be4 41.Kf1 Bh7 42.g4 Re5 43.h4 Rb5 44.g5 Rf5 45.Rf5 Bf5 46.h5 Kc8 47.g6 Kd8 48.c3 c5 49.Kf2 Ke7 50.Kf3 Kf6 (50...Kf6 51.h6 Kg6–+) 0–1. Cascales,A – Blaya,M, Santomera op, 1993.

5.Nf3 e4 6.Nd4 c5 7.Nb3 a5 8.a4 Ne7 9.Be2 h5? 10.0–0 Ng6 11.c4 Bd6 12.g3 Be5 13.Be5 Ne5 14.Nc3 0–0 15.Qc2 f5 16.Bh5 d5 17.cd5 c4 18.Nd4+– Bd5 19.Nd5 Qd5 20.f3 g6 21.fe4 Qe4 22.Qe4 fe4 23.Rf8 Kf8 24.Rf1 Kg7 25.Ne6+– Kh6 26.Be2 Nbd7 27.Bd1 Re8+= 28.Nf4 Rf8 ½–½. valpa – footyhead, playchess.de, 2003.

5.f4 ef4 6.ef4 Qe7 7.Qe2 a6 =+.

5.Qh5 g6

6.Qh4 Be7 7.Bd3? f5 8.Qc4?? d5?? 9.Qb3= Bf6 10.c4 e4 11.Be2 d4 12.ed4 Bd4 13.Bd4 Qd4 14.Nc3 Nd7 15.Nh3 Nc5 16.Qc2 0–0–0 17.0–0 h6 18.Nf4 g5 19.Ng6 Rh7–/+ 20.Bh5 Nf6 21.Ne2? Qd6 22.Ng3 Nh5 23.Nh5 Qg6 24.Ng3 f4 25.Ne2 h5 26.f3 g4 27.fg4 Qg4 28.Rf4 Qe2 29.Raf1 e3 30.Qf5 Kb8 31.Qg5 Ne6 32.Rf8 Nf8 33.Qd8 Bc8 34.Qf8 ed2 35.Qf3 Re7 (35...Re7 36.Qe2 Re2–+) 0–1. elsh1403 – kay88 (1695), internet, 2011.

6.Qh4 Be7 7.Nf3 d6 8.Be2 Qd7 9.0–0 a6 10.c4 ab5 11.cb5+= Qe6 12.Nc3 Nd7 13.d4 g5 14.Qh5+/– Kd8 15.de5 Ne5 16.Ne5 de5 17.Bf3 Bf3+/– 18.Qf3 Rb8 19.Rfd1 Ke8 20.Qh5 Qf7 21.Qg4 Nh6? 22.Qd7+– Kf8 23.Qc7 Kg7 24.Nd5 Bc5+/– 25.Qf7 Kf7 26.h3 Nf5 27.Nc7 Rhd8 28.a4 Nd6 29.Na6 Rbc8 30.Nc5 bc5 31.Ba3 Nc4? 32.a5?? Rd1=+ 33.Rd1 Na5 34.Rd7 Ke6 35.Rh7 c4? (35...c4 36.e4 f5 37.Rh6 Kf7 38.ef5 Rb8+–; better is 35...Nc4 36.Ra7 Kd5=). stoker – mastermind, Live Game Caissa's Web, 2005.

6.Qh4 Be7 7.Nf3 Bf3 8.gf3 d6 9.a4 Nd7 10.Bc4 f5 11.Qg3 Ngf6 12.Nc3 Nc5 13.d4 ed4 14.ed4 Ncd7 15.0–0–0 Nh5 16.Qh3 Bg5 17.Kb1 Kf8 18.Nd5 Nhf6? 19.Rhe1 Nd5+/– 20.Bd5 Rb8 21.Re2 Nf6 22.Bb3 Qd7?? 23.Rde1 Re8 24.Qf1 Kg7 25.d5 Re2 26.Re2 Re8 27.Re6 Kf7?? 28.Qe2?? Re7 29.f4 Bh4 30.c4?? Ne4 31.f3 Nc5 32.Rf6?? Bf6–+ 33.Bf6 Kf6 34.Qb2 Kf7 35.Bc2 Kg8 36.Qf6 Rf7 37.Qg5 Qe7 38.Qg2 Qe1 39.Ka2 Re7 40.h4 Re2 41.h5 Rg2 42.hg6 hg6 43.Kb2 Rc2! 44.Kc2 Qe3 45.Kd1 Qf3 46.Kc2 Qf4 47.Kd1 Qc4 48.Kd2 Qa4 49.Ke3 Qb5 (49...Qb5 50.Kf4 Qb4 51.Kg3 Ne4 52.Kg2 Qe1 53.Kh2 Qf2 54.Kh3 Qg3; 49...Qa3 50.Kf2 Ne4 51.Ke2 Qb2 52.Ke3 Qd2 53.Kf3 Qf2) 0–1. elsh1403 – ranger52, internet, 2011.

6.Qh4 Bg7 7.f4 d6 8.Nf3 Nd7 9.Be2 Qe7 10.0–0 0–0–0 11.d4 ef4–/+ 12.Qf4 h5 13.a4 g5 14.Qg3 h4 15.Qf2 g4?? 16.Nfd2?? Bh6= 17.e4 g3 18.hg3 Be4 19.Ne4= Qe4 20.Bf3 Qe7=+ 21.a5?? Be3–+ 22.ab6 Bf2 23.Kf2 hg3 24.Kg1 Qe3 (24...Qe3 25.Rf2 Qf2) 0–1. elsh1403 – kay88 (1685), internet, 2011.

6.Qh4 Bg7 7.f4 ef4 8.Qf4 Ne7 9.Bc4?? d5 10.Bb3 Nd7 11.Nf3 Nc5 12.Bf6?? Bf6?? 13.Qf6+/– Rf8 14.Qh4 Nb3 15.ab3 h5 16.0–0 Qd7 17.Ne5 Qd6 18.Rf8 Kf8 19.d4 Nf5 20.Qg5 Kg7 21.Nd2 Qf6 22.Qf6 Kf6 23.Rf1 Kg7 24.c4 dc4 25.bc4 Ne3? 26.Rf7+– Kh6 27.Rc7 Bg2 28.Ndf3 Bf3+= 29.Nf3 Nf5 30.Rc6 a6 31.Rb6 a5? 32.Ra6 Rc8 33.Rc6?? Ra8? 34.Ra6 Rc8 35.c5 Rd8 36.Ra5 Ne3 37.b6 Nd5 38.b7 Rb8 39.c6 Nb6 40.Ra6 Nc8 41.Ra8 (41.Ra8 Kg7 42.Rb8 Nd6 43.Rg8 Kf7 44.b8Q Ke6 45.Rg6 Kd5 46.Qd6 Kc4 47.Qc5 Kb3 48.c7 Ka4 49.Rb6 h4 50.Qb4) 1–0. elsh1403 – beuafort, internet, 2011.

4.e3 c6

5.d4 cb5 6.de5 Ba6? 7.Bd3 Nc6 8.Qh5 g6? 9.Bg6!+– Ke7 10.Be4 Bg7 11.Nf3 h6? 12.Nc3 Kf8 13.0–0–0 Qe8 14.Qe8 Re8 15.Rd7 Nge7 16.ef6 Bf6 17.Bc6 Nc6 18.Rd6 Bc3 19.Bc3 Rg8 20.Rc6 Rc8 21.Rc8 Bc8 22.Nh4 Bb7 23.f3 a5 24.Bd4 Bd5 25.Bb6 a4 26.a3 Kf7 27.Kb2 Rb8 28.Bc5 Rc8 29.Bb4 Rc4 30.g3 h5 31.Rd1 Be6 32.Rd4 1–0. Hingst,Thomas (2095) – Anagnostou,Paul (1920), remoteschach.de, 2009.

5.Nf3 Ne7 6.Be2 e4 7.Nd4 c5 8.Nb3 Ng6 9.0–0 a6 10.a4 d5 11.d3 ed3 12.cd3 Ne5 13.N1d2 ab5 14.ab5 Ra1 15.Qa1 Qc7 16.f4 Ng4 17.Bg4 Bg4 18.h3? Bf5 19.Nc1 c4 20.dc4 dc4 21.Bf6 gf6? 22.Qf6+– Bg7 23.Qf5 Nd7 24.Qd5 Nf6 25.Qc4 Kd7 26.Qc7 Kc7 27.Ne2 Re8 28.Rc1 Kb7 29.Nf1 Nd5 30.Rd1 Nc7 31.Rd7 Re3 32.Rg7 Re2 33.Rh7 Rb2 34.Rd7 Rb5 35.Rd4 Ne6 36.Re4 Nd8 37.Nd2 Nc6 38.Nc4 Rb1 39.Kf2 Rc1 40.g4 Rc2 41.Kg3 b5 42.Na3 Rc3= 43.Kh4 Ra3 44.f5 b4 45.Rb4?? Nb4–+ 46.f6 Ra8 47.g5 Nd5 48.Kh5 Nf4 49.Kg4 Ng6 50.Kf5 Nf8 51.h4 Ra5 52.Kg4 Kc6 53.h5 Kd6 54.h6 Ke6 55.Kh5 Kf7 0–1. valpa – JerryReneau, playchess.de, 2003.

4.e3 d6

5.d4 Bb7 6.d5 f5 7.Nf3 Nf6 8.c4 Nbd7 9.Qc2 g6 10.Nc3 Bh6 11.Be2 0–0 12.0–0 Nc5 13.Nd2 a6 14.a4 (14…Qd7 15.ba6 Ra6 16.Nb3 Nb3 17.Qb3=). Plock,Joerg – Marshall, corr SOK–98–E003A, 1998.

5.Qh5 g6= 6.Qf3 d5 7.c4 d4?? 8.Qa8+– de3 9.Qb8 ef2 10.Kf2 Bc5 11.Ke1 h5 12.Nc3 Be3 13.de3 Ne7 14.Rd1 Qd1 15.Kd1 Kd8 16.Nf3 h4 17.Ba3 g5 18.Be7 Kd7 19.Bf6 Rh6 20.Nd5 e4 21.Qc7 Ke8 22.Qe7# 1–0. pcmvr (2865) – zeca, net–chess.com, 2008.

4.e4 a6

5.a4 a5 6.Bc4 g6 7.Nf3 Bb4 8.0–0 Bb7 9.d4 Be4 10.de5 fe5 11.Be5 Nf6 12.Nc3 Bc3 13.Bc3 Rf8 14.Re1 d5 15.Bf6 Qf6 16.Qd5 Qe7 17.Re4 Nc6 18.Rd1 Qe4 19.Qd7# 1–0. pcmvr (2830) – sbderkach (1915), net–chess.com, 2014.

5.Nf3 =.

4.e4 Bb7

5.d3 c6 6.a4 Bb4 7.Bc3 Bc3 8.Nc3 cb5 9.ab5 Ne7 10.Nf3 Ng6 11.Be2 Qc7= 12.Qd2 d6 13.0–0 h5 14.Ra3+/– h4 15.Rfa1 a6 16.Qe3 Nf4 17.d4 Rh6 18.d5 h3 19.g3 Rg6 20.Nh4 Rg5 21.Bd1 g6 22.Na4 ab5 23.Qb6 Qc4?? 24.f3 Ne2?? 25.Be2+– Qe2 26.Qf2 Qc4?? 27.Nb2+/– Qb4?? 28.c3 Ra3–+ 29.Ra3 Qc5 30.Qc5+– dc5 31.g4?? b4? 32.cb4+– cb4 33.Ra7 Bc8 34.Ra8 Bg4 35.Rb8 Ke7 36.Kf2 f5 37.Rb6 fe4 38.Rg6 e3 39.Ke3 Rg6 40.Ng6 Kf6 41.fg4 Kg6 42.Ke4 Kg5 43.d6 Kg4 44.d7 Kg5 45.d8Q Kg4 (45...Kg6 46.Ke5 Kg7 47.Qf6 Kg8 48.Qg6 Kh8 49.Kf6 b3 50.Qg7#) 1–0. nordlicht – harzer, gameknot.com, 2001.

5.d3 c6 6.a4 cb5 7.ab5 a6 8.c4 ab5 9.Ra8 Ba8 10.cb5 Ne7 11.Nf3 g6 12.Be2 Bg7 13.0–0 0–0? 14.Nbd2?? d6 15.d4 Nd7 16.d5 f5 17.ef5 Nf5 18.h4 Bd5–/+ 19.Ng5 Nh4 20.Ngf3 Bf3 21.Bf3 Nf3 22.Nf3 Nf6 23.Qb3 Kh8 24.Rc1 Ne4 25.Qd5 Ng5?? 26.Ng5= Qg5 27.Rc6 Qf5 28.f3 Qb1 29.Bc1 Qb4 30.Bd2 Qd4 31.Qd4= ed4 32.Rd6 Be5 33.Rb6 Rc8 34.Rc6 Rc6 35.bc6 Kg7 36.Kf2 Kf7 37.f4 Bc7 38.Kf3 Ke6 39.Ke4 Kd6 40.Kd4 Kc6 41.Ke4 Kd6 42.g4 Ke6 43.f5 gf5 44.gf5 Kf6 45.Bc3 Kf7 46.Kd5 h5 47.Kc6 Bf4 48.Kd5 h4 49.Be1?? Bg3 50.Ke4 Be1 51.Kf3 Kf6 52.Kg2= Kf5 53.Kh1 Kg4 54.Kg2 h3 55.Kh1 Kg3 56.Kg1 Bf2 57.Kh1 Be1 58.Kg1 Kf3 59.Kh1 Bg3 60.Kg1 Ke2 61.Kh1 Bh4 62.Kh2 Bf6 63.Kh3 ½–½. iczker – blaugrana18, internet, 2011.

5.d3 Ne7 6.c4 d6 7.Nc3 Ng6 8.h3 Nd7 9.a4 Be7 10.Be2 0–0 11.Bg4 Nc5 12.Nd5 Bd5 13.ed5 Nf4 14.Bf3?? Nfd3–+ 15.Kf1 Nb2 16.Qc2 Nbd3 17.g3 e4 18.Be4 Ne4 19.Qd3 Nc5 20.Qf5 Qd7 21.Qf4?! Rae8 22.Ne2 Bd8 23.Nd4 Qe7 24.Kg2 Qe4 25.Qe4 Re4 26.Nc6 Rc4 27.a5 ba5 28.Ra5 Ra4 29.Ra4 Na4 30.Na7 Nb6 31.Re1 Kf7 32.Nc6 Nd5 33.Nd4 Re8 34.Re8 Ke8 35.Nf5 g6 36.Ne3 Ne3 37.fe3 Ke7 38.Kf3 Ke6 39.Ke4 f5 40.Kd4 Bf6 41.Kc4 Ke5 42.h4 Ke4 43.h5 Ke3 44.Kd5 gh5 45.Kc6 Be5 (45...Be5 46.b6 cb6 47.Kb6 h4 48.gh4 f4–+) 0–1. iczker – plus1963, internet, 2011.

5.Bd3 d5 6.Qe2 Nd7 7.Nf3 Nc5= 8.0–0 de4–/+ 9.Be4? Be4 10.d4 ed4 11.Bd4 Qe7 12.Nc3 0–0–0?? 13.Bc5=+ bc5 14.Qe4+/– Qe4 15.Ne4 Nh6 16.c4 Nf5 17.Rfd1 Nd4 18.Nfd2 f5 19.Ng5 Rd7 20.Ndf3 Bd6 21.Nd4 cd4 22.Ne6 Bb4 23.Rd4? Rd4–+ 24.Nd4 Bc5?? 25.Rd1?? Rd8–+ 26.Kf1 Rd4 27.Rd4 Bd4 28.Ke2 Kd7 29.f3 Kd6 30.Kd3 Kc5 31.h3 Bf2 32.Ke2 Bg3 33.Kd3 Be5 34.g4 g6 35.gf5 gf5 36.h4 h5 37.a3 Bb2 38.Kc2 Ba3 39.Kb3 Bb2! 40.Kb2 Kc4 41.Kc2 Kb5 42.Kb3 a5 43.Kc3 a4 44.Kb2 Kb4 45.f4 a3 46.Ka2 c5 47.Kb1 Kb3 48.Ka1 c4 49.Kb1 c3 50.Ka1 Kc2 51.Ka2 Kd1 (51...Kd1 52.Ka3 c2 53.Kb3 c1Q 54.Kb4 Qf4 55.Kc5 Qe5 56.Kb4 f4 57.Ka3 Qb5 58.Ka2 Kc2 59.Ka3 Qb3#) 0–1. Neumann,Frank – Krueger,Daniel, Germany, 2006.

5.Be5 Be4 6.Bb2 Bb7 7.Qh5 g6 8.Qe2 Qe7 9.Qe7 Be7 10.d3 Nh6 11.Nd2 d6 12.Ngf3 Nd7 13.Be2 a5 14.0–0 0–0–0 15.c4 Rhg8 16.d4 Rde8 17.Bd3 f5 18.Ne1 Bg5 19.Ndf3 Bf6 20.Bc1 Nf7 21.Rb1 h6 22.a4 Nf8 23.Ba3 Ne6=+ 24.Bb2 Be7 25.g3 Nfg5 26.Ng5 hg5 27.f3 f4 28.g4 Bf6= 29.Nc2 Rh8 30.d5 Bb2+= 31.Rb2 Nf8?? 32.Rf2 Kb8 33.Be4 Bc8 34.Nd4+= Bd7 35.Rbe2 ½–½. mic (2200) – ironhorse (2210), net–chess.com, 2009.

4.e4 c5

5.Bc4 Ne7 6.Ne2 d6 7.0–0 a6 8.a4 g5 9.Ng3+/– Bh6?? 10.Qh5+– Kd7 11.Qh6 Ng8 12.Qg7 Ne7 13.Qf6 Re8 14.Qg5 Rg8 15.Bg8 ab5 16.ab5 Bb7 17.c4 h6 18.Qg7 Qg8 19.Qg8 Ng8 20.Ra8 Ba8 21.d3 Nf6 22.h3 h5 23.f4 h4 24.Nf5 Nh5 25.fe5 Ke6 26.ed6 Nd7 27.Nd2 Bb7 28.Nf3 Ne5 29.Ne5 Bc8 30.Nc6 Ng3 31.Ng3 hg3 32.Be5 Bd7 33.Rf6# 1–0. Schaar,Joerg (1800) – April,Nora, remoteschach.de, 2006.

5.f4 ef4?? 6.Qh5+– g6 7.Qd5 d6 8.Bc4 Nh6 9.Qa8 Nd7 10.Nc3 f5 11.Nd5 Kf7 12.Nf4 Ke8 13.Ne6 Qh4 14.Kf1 Qf4 1–0. Taulien,Hans_Juergen (2350) – Boese,Fee (1945), remoteschach.de, 2002.

4.e4 Bc5

5.Bc4 Ne7 6.Ne2 Bb7 7.Nbc3 Bb4 8.f4 Bc3 9.Nc3 d6? 10.Qg4+– g6 11.Qe6 f5?? 12.Qf7 Kd7 13.Bd5 Bd5 14.Nd5+– fe4?? 15.fe5 de5 16.Ne7 Qe7 17.Qd5 Qd6 18.Qa8 Qb4 19.Be5 Qb2 (19...Re8 20.Qd5 Kc8+–) 1–0. Taulien,Hans_Juergen (2350) – Voelkel,Patrick (2000), remoteschach.de, 2004.

5.Nf3 Bb7 6.d3 Ne7 7.Nc3 a6 8.a4 a5 9.Be2 Bd4 10.Nd4+= ed4 11.Nd5 Bd5 12.ed5+/– Nd5 13.Bd4 Nf4 14.0–0 Ne2 15.Qe2+– Kf7 16.Qf3 d5 17.c4 Ra7 18.cd5+– Re8 19.Rfe1 Re1 20.Re1 c6 21.Qh5 g6 22.Qh7 Kf8 23.Qh8 Kf7 24.Qd8 c5 25.Qf6 Kg8 26.Re8 Kh7 27.Rh8# (27.Qh4#) 1–0. amador – mduerr (1685), net–chess.com, 2007.

5.Qh5 g6 6.Qh4 h5 7.Qg3 h4? 8.Qg6+– Kf8 9.Bc4 Be7?? 10.Qf7# 1–0. Woelfelschneider,Peter – Krahl,Wolfgang, KO–018.1.8, 2001.

4.e4 d6

5.Bc4 Bb7 6.Bg8 Rg8= 7.Qh5 g6 8.Qh7 Rg7 9.Qh4 Be7 10.Qh8 Kf7 11.Qd8 Bd8 12.d3 d5 13.f3 Nd7 14.Nd2 a6 15.a4 Nc5 16.ed5 Bd5 17.Ne2 Kg8 18.Nc3 Be6 19.Nce4 Bf5 20.Nc5+– bc5 21.Ne4 Be4 22.fe4 g5? 23.Ba3 Rc8?? 24.Bc5 c6?! 25.b6 Rb8 26.a5 Rf7 27.Rf1 g4 28.Rf5 Rg7 29.Kf2 Rh7 30.Kg3 Kg7 31.h3 gh3 32.gh3 Kg6 33.h4 Rh5 34.Raf1 Rb7 35.Rh5 Kh5 36.Rf5 Kg6 37.h5 Kh6 38.Bf8 Kh7 39.h6 Rf7 40.Bg7 Be7 41.c3 Bc5 42.Rf6 Rf6 43.Bf6 Kh6 44.Be5 Kg6 45.d4 Be7 46.b7 1–0. einaar (2175) – mleek, net–chess.com, 2007.

5.d4 Bb7 6.Bd3 f5 7.Nd2 (7.Nd2 ed4 8.Bd4+=; 7.Qh5 g6 8.Qe2 fe4 9.Be4 d5+=). pierre (2190) – AndrewDev, internet, 2007.

3.b5 c5

4.c4 d6 5.e4 f5 6.Nc3 Nf6 7.Bd3 Be7 8.Nf3 f4 9.g3 Bg4 10.Be2 0–0 11.gf4 ef4 12.Rg1 a6 13.a4 Bf3 14.Bf3 Nbd7 15.Nd5 Nd5 16.Rg7 (16.Rg7 Kh8 17.Re7 N5f6 18.Re6+/–; 16.cd5?! Bf6 17.d4 ab5 18.ab5 Qb6+=; worse is 16.ed5 Bf6 17.d4 Nb6+=) 1–0. Van Esbroeck,Dirk – Goepfert,Christian, SN–2010–0–00292, 2010.

4.c4 Nh6 5.Nc3. Welti,Manfred (1930) – Sanogo,Steven Y (1835), Support for Africa09, 2008.

4.e3 Qb6 5.Nc3 d6 6.Nd5 Qd8 7.Bc4 Ne7? 8.Qh5+– Ng6 9.f4 Qd7 10.f5! Qf5 11.Qf5 Bf5 12.Nc7 Kd8 13.Na8 Be4 14.Be2 Bg2 15.Bf3 Bh1 16.Bh1 Kc8 17.b6 ab6 18.Nb6 Kc7 19.Nd5 Kd7 20.c4 Nc6 21.Bc3 Be7 22.Ne2 f5 23.Rb1 Rb8 24.Ng3 Ke6 25.Nc7 Kd7 26.Na6! Ra8 27.Rb7 Kc8 28.Rc7 (28.Rc7 Kd8 29.Rc6+–) 1–0. pierre – blackrowman, ChessWorld.net, 2006.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c5).

4.e4+/– d5 5.ed5 Qd5 6.Nc3 Qf7 7.g3 a6 8.Bg2 Bd6 9.a4 Ra7 (9...Nh6!?+/–) 10.Nge2 Nh6 11.0–0 0–0 12.d4 cd4 13.Nd4 Kh8 (13...ed4? 14.Qd4 ab5 15.Qd6+–) 14.b6 Ra8 15.Ndb5 ab5 16.Qd6 Nf5 17.Qc7 ba4 (17...b4!? 18.Nb5 Nc6+–) 18.Na4+– Na6 (18...Nc6 19.Nc5 Ra1 20.Ra1 (20.Ba1?! Qe7 21.Bc6 Qc7 22.bc7 bc6+–) 20...Qc7 21.bc7+–) 19.Qf7 Rf7 20.Nc5! Rb8 (20...Nc5 21.Ra8 Pinning (21.Ra8 Deflection; 21.Ra8 Clearance)) 21.Rfd1 Rf8 22.Nd7 Bd7 23.Rd7 Nc5 24.Rc7 Ne6 25.Rb7 Rb7 (25...Rbd8 26.Ba3 Rg8 27.c4+–) 26.Bb7 Rb8 27.Bc8! Nfd4 (27...Rc8 28.b7 Double attack (28.b7 Decoy; 28.b7 Passed pawn)) 28.Bd4 Nd4 (28...Nd8 29.Be5! fe5 30.b7 Nb7 31.Bb7+–) 29.b7 Kg8 (29...g5 30.Ra8 Rb7 31.Bb7 Kg7+–) 30.Ra8 Nc6 31.Bd7 (31.Bd7 Kf7 32.Bc6 Rb7 33.Bb7+–) 1–0. forsetinn (1980) – gobbojr (1735), gameknot.com, 2013.

4.c4 d5

5.cd5 Qd5 6.Nc3 Qd8 7.e3 Be6 8.Nf3 Be7 (8...Nd7 9.Rc1=) 9.d4+= ed4 10.ed4 Nd7 11.Be2 (11.Qe2 Bg4 12.Rd1 Rc8+=) 11...Nh6 (11...Nb6 12.0–0+=) 12.0–0 (12.d5 Bf5+=) 12...Bf5 (12...Nb6 13.dc5 Bc5 14.Ne4 Qd1 15.Rfd1+/–) 13.Nh4 (13.Nd5 0–0+/–) 13...cd4+= 14.Qd4 (14.Nf5 Nf5 15.Nd5 Ne5 16.Ne7 Qe7+= (< 16...Ke7 17.Re1+/–)) 14...Ne5 (14...Be6 15.Rad1 Nc5 16.Qe3+/–) 15.Nf5+/– Nf5 16.Qf4 Nd6 17.Rfd1 0–0 18.Nd5 Nef7 (18...Re8!?+/–) 19.Bg4 (19.Ne7?! Qe7 20.Re1 Ne5+/–) 19...f5 20.Ne7 (20.Qd4!? Bf6 21.Nf6 Qf6 22.Qf6 gf6+/–) 20...Qe7+/– 21.Bh5 (21.Bf5 Nb5 22.Qg4 Qg5+/–) 21...Nb5 (better is 21...Rad8!?+=) 22.a4+– g6 (22...g5 23.Qg3 f4 24.Qb3+–) 23.Bf3 (better is 23.ab5 gh5 24.Rd7+– (24.Qf5?! Rfe8+–)) 23...Nbd6? (better is 23...Qc7 24.Qc7 Nc7+/–) 24.Qd4 Ng5 (24...Qe5 25.Qe5 Ne5 26.Be5 Ne4+–) 25.Bd5 ½–½. Autengruber,Daniel – Mikulec,Dragan, NB MII Germany, 1993.

5.cd5 Qd5 6.Nc3 Qe6 7.e3 b6?? 8.Qh5?? Qf7+= 9.Qf7 Kf7 10.Bc4 Be6 11.Be6 Ke6 12.Nge2 Nh6 13.0–0 Bd6 14.Ne4 Rd8 15.d4 ed4 16.ed4 cd4 17.Nd4+= Kf7 18.Nd6 Rd6 19.Rac1 Nd7 20.Rfe1 Ne5 21.f4 Nd3=+ 22.Rc7 Kg6 23.Ree7 Nb2?? 24.Rg7 Kh5 25.Rc3 (25.Rc3 Nd3 26.Rd3 Nf5 27.g4 Kh4 28.Nf5#) 1–0. Mroz,Antoni – Przybylko,Mieczyslaw, corr Poland, 1989.

5.cd5 Qd5 6.Nc3 Qf7 7.e4 Be6 8.Nge2 Bd6 9.d3 Nh6 10.Ng3 0–0 11.Be2 Nd7 12.Bc1 =. Borrmann,Fritz – Palmiero, corr, 1987.

3.b5 Bc5

4.a4 a6 5.c4 d6 6.e3 Bd7 7.Nf3 ab5 8.ab5 Ra1 9.Ba1 Ne7 10.d4 Bb4 11.Bc3 Bc3 12.Nc3 0–0 13.Be2 Be6 14.0–0 Nd7 15.d5 Bg4 16.h3 Bh5 17.Nh4 Be2 18.Qe2 Nc5 19.f4 ef4 20.Rf4 Qe8 21.Nf5 Ng6 22.Rf3 Qe5 23.e4 Re8 24.Ng3? Nf4?? 25.Qe3 g6?? 26.Qf4+– Qf4 27.Rf4 Kg7 28.Rf3 Nb3 29.Kh2 Nd2 30.Rf2 Nb3 31.Rb2 Nc5 32.Re2 b6 33.Nd1 f5 34.ef5 Re2 35.Ne2 gf5 36.Ne3 Kf6 37.Nf4 Ne4 38.Kg1 Ke5 39.Ne2 Nd2 40.g4 fg4? 41.Ng4 (41.Ng4 Ke4 42.Nf6 Kd3 43.Nf4 Kc4 44.Ne6 Kb5 45.Nc7 Kc4 46.Kf2+– (46.Nh7?! b5 47.Kf2 b4+–)) 1–0. j1a9n55 – rychostar3, internet, 2011.

4.c4 a6 5.Nc3 ab5 6.Nb5 c6–/+ 7.Nc3 Ne7 8.e3 d5 9.Nf3 e4 10.Nd4 g6 11.Nce2 Nf5 12.g3 Nd4 13.Nd4=+ Qe7 14.cd5= cd5 15.Bb5 Bd7 16.Qg4 f5 17.Bd7 Nd7–/+ 18.Qh3 Ne5 19.0–0 Rg8 20.f4 Ng4 21.Nb5 Kd7 22.a4 h5 23.Ba3 Rgc8 24.Rfc1 Ne3?? 25.Bc5+– Rc5 26.de3 Rc1 27.Rc1 Qb4 28.Rc7 Kd8?? 29.Qh4 Ke8 30.Qf6 Qe1= 31.Kg2 Qe2 32.Kh3 Qg4 33.Kg2 ½–½. gtate (1920) – afilby (1980), net–chess.com, 2004.

4.c4 Nh6 5.Nf3 0–0 6.e3 d5 7.Nc3 c6 8.a4 a5 9.Qb3 Be6= 10.d4 ed4 11.Nd4 Bd4 12.ed4 Kh8 13.Be2 Nd7 14.0–0 Rb8 15.cd5+/– cd5 16.Nd5?? Nb6–+ 17.Bf3 Nf5 18.Qc2 Nd5 19.Qe4 Qd7 20.h3 Bf7 21.Bg4 Nde7 22.Rfe1 Bg6 23.Bf5 Bf5?? 24.Qe7+– Qd5 25.Ba3 Rg8 26.Bc5 Qc4 27.Qd6 Rbd8 28.Qc7 Rc8? 29.Qb7+– h6 30.Re7 Qc3 31.Rae1 Qc4 32.Rg7 Rg7–/+ 33.Qc8?? Bc8–+ 34.Re8 Kh7 35.Rc8 Qd5 36.f3 Qf3 37.Rf8 Qg2 0–1. TIROLOCO – HOUDINI2, Live Game Caissa's Web, 2004.

4.e3 Bb6 5.Nf3 c5 6.bc6 Nc6 7.Bb5 a6 8.Ba4 Nge7 9.0–0 0–0 10.d4 e4 11.Nfd2 d5 12.Nc3 g5 13.Bb3+= Be6 14.a4 Nb4? 15.Ba3 Nec6 16.Bb4 Nb4 17.Nce4 Qc8 18.Ng3 Qc3 19.Ne2 Qc7 20.c3 Nc6 21.e4 Ne7 22.Rc1 f5 23.ef5 Nf5 24.Nf3 Qg7 25.Rb1 Rac8 26.Bc2 Bd8 27.Rb6?? Bb6–+ 0–1. gtate (1980) – petrpolacek, net–chess.com, 2004.

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

4.e3 d6 (---> 1.b4 e5 2.b5 Bc5 3.Bb2 d6 4.e3 f6).

4.e3 Qe7 5.Bc4 d6 6.Nf3 Bg4 7.h3 Bh5 8.Be2 Qe6 9.Nc3 Nd7 10.Ne4 Bg6 11.Ng3 Bb6 12.a4 a5 13.0–0 Ne7= 14.d4 e4 15.Nd2 f5 16.d5 Qf7 17.f3?? Be3–+ 18.Kh1 Bf4 19.Qe1 0–0 20.fe4=+ fe4 21.Nge4 Qe8 22.Bg4? Nd5–/+ 23.c4 Bd2 24.Qd2 =+. Acevedo,Daiana – Cirigliano,E, CSF–ch U12 Girls, 1999.

4.e3 Nh6 5.c4 0–0 6.Be2 c6 7.Nc3 a6 8.a4 ab5 9.ab5 d5?? 10.Ra8+– Nd7 11.bc6 bc6 12.cd5 Nb6 13.Ra1 cd5 14.Nf3 g5 15.0–0 g4 16.Ne1 f5 17.d4 ed4 18.ed4 Bd6 19.Qb3 Nf7 20.Nd5 Nd5 21.Bc4 Nf4 22.Bf7 Rf7 23.Ba3?? Bc7? 24.d5 Qh4? 25.d6+– Bd8 26.Qg3 Ne2–+ 27.Kh1 Ng3 28.fg3 Qg5 29.d7 Bd7 30.Nd3 Kg7 31.Nf4 Bc7 32.Bc1 Qe7 33.Bb2 Kh6 34.Ra6= Bd6 35.Ba3?? Rf6–+ 36.Bd6 Rd6 37.Rd6 Qd6 38.Kg1 Bc6 39.Re1 Qc5 40.Kf1 Bb5 41.Ne2 (41…Qe3 42.h3 f4 43.Ra1 Be2 44.Ke1 Bc4 45.Kd1 Bb3#) 0–1. GULP – COUNTDOWN2MATE3, Live Game Caissa's Web, 2004.

4.e4 a6 5.c3 Qe7 6.ba6 ba6 7.Nf3 Nh6 8.Be2 =.

4.e4 h5 5.Nf3 Nh6 6.h3 d5 7.Bd3 Nf7 8.0–0 d4 9.a4 Rh6 10.c4 Rg6 11.Nh4= Rg5 12.Nf3 Rg6 13.Nh4 Rh6 14.f4 c6 15.f5 a6 16.Na3 Ba3 17.Ba3+/– Nd7 18.Be2 ab5 19.Bh5 d3? 20.Qg4?? bc4?? 21.Qg7+– Qb6 22.Kh2 Rh5 23.Qg8 Nf8 24.Qf8 Kd7 25.Qe7# 1–0. Zimmer – Hippold, corr, 1984.

4.e4 Nh6 5.c4 d6 6.Nc3 Ng4 7.Nh3 0–0 8.f3 Nh6 9.Na4 f5 10.Nc5 dc5 11.Be5 fe4 12.d4? ef3 13.Nf2 cd4 14.Qd4 Qd4 15.Bd4 Re8 16.Kd2 fg2 17.Bg2 c6 18.Rhe1 Re1 19.Re1 Bf5?? 20.Re8?? Kf7+= 21.Rd8 cb5?? 22.cb5 a6 23.Be5 ab5 24.Rb8 Ra2 25.Ke3 Ra3 26.Kf4 Ra4 27.Ne4 Be4 28.Be4+/– g5 29.Kf3 Ra3 30.Ke2 Ng4 31.Rb7 Ke6 32.Bg3?? Re3–/+ 33.Kd2 Re4 34.Rb5 Rd4 35.Kc3 Rd1 36.Rg5= Ne3?? 37.Re5+– Kf6 38.Re3 h5 39.Rd3 Rd3 40.Kd3 Kf5 41.Ke3 Kg4 42.Kf2 h4 43.Bb8 h3 44.Ke3 Kh5 45.Bg3 Kg4 46.Ke4 Kh5 47.Kf4 Kg6 48.Kg4 Kh6 49.Kh3 Kh5 50.Bf4 Kg6 51.Kg4 Kh7 52.h4 Kg6 53.h5 Kh7 54.Kg5 Kg8 55.h6 Kh7 56.Kh5 Kg8 57.Kg6 Kh8 58.Be5 Kg8 59.h7 Kf8 60.h8Q Ke7 61.Qf6 Kd7 62.Qd6 Kc8 63.Qe7 (63.Qc7) ½–½. iczker – wojciechmm, internet, 2011.

4.a4 d5

5.e3 Bf5 6.Be2 Ne7 7.Nf3 a6 8.0–0 ab5 9.ab5 Ra1 10.Ba1 c6 11.bc6 Nbc6= 12.c4 dc4 13.Bc4 e4 14.Nh4+= Qa8? 15.Bc3 g5?? 16.Nf5+– Nf5 17.Bf6 Rf8 18.Bg5 Qc8 19.Qh5 Kd7 20.Qh7 Nce7 21.Be7 Be7 22.Bb5 Kd6 23.Nc3 Qc5 24.Ne4 Kd5 25.Nc5 Bc5 26.Qb7 Kd6 27.d4 Bb4 28.Rc1 Ne7 29.Qd7 1–0. tanto (1610) – amjorgy, net–chess.com, 2002.

5.e3 Bf5 6.Qh5 Bg6 7.Qd1 c6 8.Be2 Qa5 9.c4 Qc7 10.Nf3 e4 11.Nh4 Bf7 12.Nf5 g6 13.Ng7?? Kf8–+ 14.0–0? Kg7 15.cd5 cd5 16.Nc3 Bd6 17.h3 Bh2 18.Kh1 Be5 19.d4 ed3 20.Qd3 Bc3 21.Bc3 Nd7 22.Bd4 Ne5 23.Rfc1? Nd3 24.Rc7–/+ Nf2 25.Kh2? Nh6 26.Kg1 b6?? 27.Kf2+= Rhc8 28.Rac1+/– Rc7 29.Rc7 Nf5 30.Ba1 Nd6= 31.Bd3 Ne4 32.Be4 de4 33.Bd4 a6 34.Bb6 ab5=+ 35.ab5 Rb8 36.Bd4 Rb5 37.Kg3 Rg5 38.Kf4 Rf5 39.Ke4+= Rf2 40.g4 Rh2? 41.g5+– Rh3 42.Bf6 Kf8 43.Rc8 Be8 44.Kd4 Rh4 45.e4 Rf4 46.Kd5 h6? 47.e5+– hg5 48.Bg5 Rf5 49.Bf6 Rf6? 50.ef6 Kf7 51.Ke5 g5 52.Rc7 Kg6 53.Re7 Bf7 54.Kd6?? g4?? 55.Ke5+– g3 56.Rc7 g2 57.Rd7?? (57...g1Q 58.Rd3–+; better is 57.Rc1 Bc4 58.Rg1+–) 1–0. Slooooowly – jakesh, Live Game Caissa's Web, 2004.

4.c4 d6

5.Nc3 Be6 6.e3 Ne7 7.Qh5 Bf7 8.Qd1 0–0 9.Be2 c6 10.a4 Nd7 11.Nf3 d5 12.cd5 cd5 13.d4 Bb4 14.0–0 e4 15.Nd2 f5 16.Qb3 Ba5 17.Ba3 Nf6 18.Bb4 Bc7 19.Qa3 Re8 20.g3 Ng6 21.Rfc1 Qd7 22.a5 f4 23.ef4 Nf4 24.gf4 Bf4 25.Nd1 Ng4 26.h3 Nf2 27.Nf2 (27.Kf2 e3 28.Ne3 Be3 29.Qe3 Re3 30.Ke3 Re8 31.Kf2 Qh3–/+) 27...e3 28.Bg4 ef2 29.Kf2 Qd8 (better is 29...Qb5!? 30.Re1 Qc6+/–) 30.Re1+– Qh4 31.Kf1 Qf6 32.Nf3 h5 (32...Be6+–) 33.Bd7 Re1 34.Re1 (34.Ke1 Be8 35.Be8 Re8 36.Kd1 Re3+=; worse is 34.Ne1 Be3 35.Ke2 Bd4–/+) 34...Qg6 35.Qc3 Kh8 36.a6! ba6 37.ba6 Qa6 38.Kf2 Qa2 39.Re2 Bg3 40.Kf1 Qb1 41.Ne1 Bh4 42.Be7 Be7 43.Re7 Bg6 44.Re3 Be4+/– 45.Qb3 Qa1 46.Qc3 Rf8 47.Ke2 Qa2 48.Kd1 Qb1 49.Qc1 Qb4 50.Qc5 Qb1 51.Qc1 ½–½. Veer,Willem – Dos Ramos,Carlos, Surinam–ch Paramaribo, 2008.

5.Nf3 Qe7 6.Nc3 Be6 7.e4 Nd7 8.d4 Bb6 9.d5 Bf7 10.Be2 h5 11.h3 Nc5 12.0–0 g5 13.Qc2 g4 14.hg4? hg4–+ 15.Nd2 Nh6 16.f3?? g3 17.f4 Ne4 18.Rf2 Nf2 19.Kf1–+ Qf8 20.Nf3 Nhg4 21.Ne4 Qh6 22.Nf2 Nf2 23.Ng1 Bh5 24.Bh5 Qh5 25.Qe2 Qh1 26.fe5 fe5 27.Be5 de5 28.Qe5–+ Kd7 29.Qe6 Kd8 30.Qf6 Kd7 31.Qe6= Kd8 32.Qf6 Kd7 33.Qf5?? Ke7 34.Qe5?? Kf7–+ 35.Qf4 Kg7 36.Qg5 Kf8 37.Qf4?? Kg8–+ 38.Qg5 Kf7 39.Qf5 Ke7 40.Qg5?? Kd6–+ 41.Qf6 Kc5 42.Qe7 Kd4 43.Qg7 Kc4 44.Qb2 Qh4 45.Qc2 Kd5 46.Qd2 Ke6 47.Qe2 Kf6 48.Qf3 Kg7 49.Qc3 Qf6 50.Qf6 Kf6 51.Ke2 Rh1 52.Kf3 Ne4! 53.Ke4 Re8 54.Kf4 Rh4 55.Kg3 Rg4 56.Kf3?? Rf8 57.Kg4=+. iczker – eres2010, internet, 2011.

4.c4 Ne7

5.e3 0–0 6.d4 ed4 7.Bd4 Bd4 8.Qd4 d6 =.

5.e3 0–0 6.Be2 a6 7.a4 d5 8.Nf3 Be6 9.Qc2 Nd7 10.0–0 Nb6 11.d3 Qd7 12.Nbd2 ab5 13.ab5 Rfd8 14.d4 e4? 15.dc5 ef3 16.Nf3 Nc4+= 17.Bc4 dc4 18.Nd4 Bf7 19.Ra8 Ra8 20.Rd1 Qd5 21.c6+/– Bg6 22.Qc1 Bd3 23.cb7 Qb7 24.Ne6 Ra2=+ 25.Nc7 Qc7–/+ 26.Rd3 Rb2! 27.Qb2 cd3 28.b6?? d2 29.Qd2 Qb6–+ 30.h3 Qb3 31.Qd8 Kf7 32.Qd7 Qd5 33.Qa7 Qd1 34.Kh2 Qd6 35.Kg1 Kg6 36.Qa4 Qd5 37.Qg4 Qg5 38.Qe4 Nf5?? 39.Qe8? Kh6–+ 40.Qa4 Nh4 41.Qe4 Ng6 42.Qb7 Qe5 43.Qb4 Qa1 44.Kh2 Ne5 45.Qh4 Kg6 46.Qg3 Kf7–+ 47.Qh4 Qb2 48.Kg1 Qe2 49.Qg3 h6 50.f4 Nd3 51.f5 Qe1 52.Qe1 Ne1 53.Kf2 Nd3 54.Kf3 Ne5 55.Kf4 h5 56.g4 h4 57.e4 Ke7 58.Ke3?! Kd6 59.Kf4 Kc5 60.Ke3 Kc4 61.Kf4 Nd3 62.Ke3 Kc3 63.Kf3 Kd4 64.e5 Ne5 65.Kf4 Nd3 66.Kf3 Ke5 67.g5 Kf5 68.g6 Ne5 69.Kg2 Kf4 70.Kh2 Ng6 71.Kg2 Ne5 72.Kh2 Nf3 73.Kg2 g5 74.Kh1 f5 75.Kg2 g4 76.hg4 fg4 77.Kh1 Ne1 78.Kh2 g3 79.Kg1 h3 80.Kh1 Kf3 81.Kg1 Nd3 82.Kh1 Nf2 83.Kg1 h2 (84.Kf1 h1Q#) 0–1. Cornacchini – thewiz (1755), Swiss, 2001.

5.e3 0–0 6.Be2 d6 7.d4 Bb4 8.Nd2 =+.

5.e3 0–0 6.Nf3 d5 7.Be2 dc4 8.Bc4+= Kh8 9.0–0 Nd7 10.a4 Nb6 11.Bb3 Bg4 12.h3 Bh5 13.g4 Bg6 14.Nc3 Nbd5 15.Nd5= Nd5 16.d4 ed4 17.Nd4 Nb6? 18.Ne6+– Qd1 19.Rad1 Be4? 20.Nf8 Rf8 21.a5 Nc8 22.b6?? ab6+/– 23.ab6 Nb6 24.Be6 Bf3 25.Rc1 Bb4? 26.Rc7+– Nd5? 27.Rb7 Nc3 28.Rc7 Ne2 29.Kh2 Bd6 30.Be5 Be5 (30...fe5?! 31.Rd7 Bb8 32.h4=+). stoker – Schnick, Live Game Caissa's Web, 2004.

5.e3 c6 6.a4 a6 7.Nc3 0–0 8.Ne4 Bb4 9.Qb3 a5 10.Nf3 d5 11.cd5 cd5 (11...Qd5?? 12.Bc4+–) 12.Ng3 Be6 13.Be2 Nd7 14.0–0 Nc5 15.Qd1 d4 16.ed4 Nb3 17.Rb1 ed4 (17...ed4 18.Bd3 Nc5 19.Nd4 Ba2+=) 0–1. Cornacchini,Gabriele – Willoughby,Peter, RL–2007–0–00092, 2007.

4.d4 ed4

5.Bd4 Bd4 6.Qd4 d6 7.e4 Be6 8.Bc4 Qe7 9.Be6 Qe6 10.Qd5 Qd5 11.ed5 Ne7 12.c4 a6 13.Nc3 Nd7 14.Nf3 Nb6 15.Nd2 Kf7 16.0–0 Rhe8 17.a4 ab5 18.ab5 Ra1 19.Ra1 Ra8 20.Ra8 Na8 21.g4 Nb6 22.f4 Ng6 23.f5 Ne5=+ 24.Nce4 Nbc4 25.Nb3? Ne3 26.h3 Nd5 27.Nd4 Ke7 28.Kf2 c5 29.Ne6 g6 30.Ng3 Nc3 31.b6 Nd5 32.Nc7 Nc7 33.bc7 Kd7 34.fg6 hg6 35.Ne4 Kc7 36.Nf6 b5 37.Nd5 Kc6 38.Nc3 b4 39.Nb1 c4 40.Ke3 d5 41.Kd4 Nf3 42.Ke3 Ng5 43.h4 Ne6 44.h5 gh5 45.gh5 d4 46.Ke2 Kd5 47.h6 Nf8 48.Kd2 Ke4 49.Kc2 d3 50.Kd2 Kd4 51.Kd1 c3 (51...c3 52.Nd2 cd2–+) 0–1. iczker – jirka67 (1610), internet, 2011.

5.Bd4 Bd4 6.Qd4 Ne7 7.e4 c6 8.c4 cb5 9.cb5 d5 10.Nc3 f5? (better is 10...de4!? 11.Qd8 Kd8 12.Ne4 Be6=) 11.ed5+/– Qa5 12.Bc4 0–0? (better is 12...Nd7+–) 13.d6 Kh8 14.de7 Re8 15.Nge2 Re7 16.0–0 Rd7 17.Qc5 h6 (17...Rd8+–) 18.Qc8 (18.Qf8 Kh7 19.Bg8 Kg6 20.h4 h5 21.Nf4 Kh6 22.Qf5 Qc3 23.Qh5) 18...Qd8+– 19.Qd8 Rd8 20.Rfd1 Re8 21.Bf7 Re5 (21...Rf8 22.Bd5 Nd7 23.Bb7+–) 22.Bg6 (22.Nf4!? Nc6 23.bc6 Rc5 24.cb7 Rb8+–) 22...a6 (22...Nc6 23.bc6 bc6+–) 23.Rd8 (23.Rd8 Re8 24.Re8) 1–0. Fournier,Frederic – Minet,Teddy, Coupe Federation, 1996.

4.e3 a6

5.a4 ab5 6.ab5 Ra1 7.Ba1 Ne7 8.Nf3 d6 9.Be2 Bd7 10.c4 0–0 11.0–0 c6 12.bc6 bc6 13.Nc3 Bg4 14.Ne1 Be2= 15.Qe2 Nd7 16.Nd3 Bb6 17.Ne4 d5 18.Nc3 d4 19.ed4 ed4 20.Ne4 c5 21.Nf4 Qb8 22.Nd3 f5 23.Nec5?? Nc5–/+ 24.Qe7 Nd3–+ 25.Qg5? Qc8 26.Qg3 Qc4 27.Qf3 Nc1 28.Rd1 Ne2 29.Kh1 d3 30.Qb7 Bf2 31.Qg7# 1–0. valpa – peakbagger, playchess.de, 2003.

5.a4 c6 6.d4+= ed4?? 7.Qh5+– g6 8.Qc5 de3 9.Qe3 Qe7 10.Qe7 Ke7 11.ba6 Na6 12.Nf3 Nc7 13.c4 d6 14.Nbd2 Bf5 15.Be2 Nh6 16.0–0 Kf7 17.Rfe1 Rhe8 18.a5 Re7 19.Nd4 Rae8 20.Kf1 Bd7 21.Bd3 Re1 22.Re1 Re1 23.Ke1 Na6 24.Ne4 Ke7 25.Nf6 Nb4 26.Be2 c5 27.Nf3 Nf5 28.Nh7 Bc6 29.Kd2 Be4 30.Nhg5 Bc2 31.Bc3 Ba4 32.g4 Nh6 33.Nh4 Be8 34.Bb4 cb4 35.f4 Ng8 36.Bf3 (36.Bf3 Nf6 37.f5 gf5 38.Nf5 Kd7 39.Bb7 Ng4 40.a6+–) 1–0. MarcosRamos (1760) – chessy371, internet, 2007.

5.a4 d5 6.d4 Bb6 7.a5 Ba7 8.de5 Bd7? 9.Qd5+– c6 10.ef6 Nf6?? 11.Qe5+– (11.Qe5 Kf7 12.Bc4 Kg6 13.b6 Bb6 14.Nf3 Ba5 15.Ra5+–) 1–0. pcmvr (2400) – roadrunner (2170), net–chess.com, 2006.

5.a4 d5 6.d4 ed4 7.ed4 Ba7 8.Nf3 Bg4 9.Be2 Ne7 10.0–0 0–0 11.Nfd2 Bf5 12.c4 c6 13.cd5 Nd5 14.bc6 Nc6 15.Bf3 Bd3?? 16.Be2?? Be2–/+ 17.Qe2 Re8 18.Qd1 Nd4–+ 19.Nb3 Ne2 20.Kh1 Ndf4 21.Qd8 Rad8 22.Nc3 Nc3 23.Bc3 Re2 24.Nc1 Rf2 25.Nb3 Rd3 26.Rf2 Bf2 27.Rc1 Be3 28.Na5 Bc1 0–1. valpa – adamant, playchess.de, 2004.

5.c4 ab5= 6.cb5 Ne7 7.Qh5 Ng6 8.Bd3 c6?? 9.Bg6+– Ke7 10.Bd3 cb5 11.Bb5 Ra5 12.a4 Nc6 13.Qg4 Nb4 14.Qd1 Rf8 15.Nf3 Kf7? 16.Bc4 d5 17.Bb5 Kg8 18.0–0 Bd7 19.Nc3 Bb5 20.ab5 Ra1 21.Ba1 d4 22.Ne4 Kh8 23.Nc5 Qd5 24.Nb3 b6 25.e4 Qc4 26.d3 Qf7 27.Nbd2 Qe7 28.Nb1 Qd6 29.Bb2 Na2 30.Ba3 Qd8 31.Bf8 Qf8 32.Qb3 Nb4 33.Nh4 Qc5 34.Nf5 Nc2 35.Qf7 (35.Qf7 Qe7 36.Qe7 Ne3 37.Qg7#) 1–0. stoker – hercules53, Live Game Caissa's Web, 2005.

5.d4 ed4?? 6.Bd4?? Bb4 7.c3 Ba5 8.a4 Ne7 9.e4 0–0 10.Qb3 Kh8 11.Nf3 c6 12.Bd3 d6 13.0–0 c5 14.Be3 Bg4 15.Nbd2 Ng6 16.Be2 Ne5 17.h3 Bh5 18.Nc4 Bf7 19.Nfe5 fe5 20.Qc2 Bc7 21.ba6 Na6 22.a5 Qh4 23.Bf3?? Be6?? 24.Nd2 Bh3?? 25.gh3+– Qh3 26.Bg2 Qg4 27.f3 Qg3 28.Bf2 Qg5 29.Rfe1 Bd8 30.Nf1 Rf6 31.Qc1 Qh5 32.Ng3 Qh6 33.Nf5 Qg6 34.Nh4 Qh5 35.Nf5 Nc7 36.Be3 Ne6 37.Kf2 g6? 38.Rh1+– Qh1 39.Qh1 Nf4 40.Bf4 ef4 41.Nh6 Kg7 42.Ng4 Rf7 43.Qh6 Kg8 44.Rh1 Be7 45.Qh3 Raf8 46.Nh6 Kg7 47.Nf7 Kf7 48.Qh7 Ke6 49.Qg6 Kd7 50.Bh3 Kc7 51.Qe6 Rd8 52.a6 ba6 53.Rb1 Bf8 54.Qd5 Rd7 55.Rb7 Kd8 56.Qg5 Be7 57.Rb8 Kc7+– (57...Kc7 58.Qf5 Rd8 59.Rd8 Bh4 60.Ke2 Bd8 61.Qd7 Kb6 62.Qd8 Kc6 63.Bd7 Kb7 64.Qc8 Kb6 65.Qb8 Ka5 66.Qd8). iczker – jacekp1313, internet, 2011.

5.Nf3 d5 6.d4 ed4 7.Nd4 ab5 8.Bb5+= Bd7? 9.a4 Ne7?? 10.0–0?? c6 11.Bd3+= Bd6 12.c4 Qc7 13.Nc3 Bh2=+ 14.Kh1 Bd6 15.Qf3 Na6 16.Nf5? Nf5–/+ 17.Bf5 Bf5 18.Qf5 dc4 19.Rfd1 Qe7 20.Ne4 Bc7 21.Ba3 c5 22.Nc5= Bd6 23.Rd5?? 0–0 24.Rad1? Bc5 25.Rd7? Qe8?? 26.Bc5= Nc5 27.Qc5 Rc8 28.Qd5 Kh8 29.Qb7 Rg8 30.Re7?? Qh5–+ (30...Qh5 31.Kg1 Qd1 32.Kh2 Qh5 33.Kg1 Rb8–+) 0–1. gtate (1945) – roadrunner (1935), net–chess.com, 2005.

4.e3 b6

5.Bc4 Bb7 6.Ne2 d5 7.Bb3 Nh6 8.c4 d4 9.ed4 ed4 10.0–0 0–0 11.d3 Qd6 12.Nd2 Ng4= 13.Ng3 Ne3? 14.Qh5?? Nf1–/+ 15.Rf1 Qf4 16.Bc1 g6 17.Qh3 Qe5 18.Nde4 Nd7?? 19.Qd7+– Rf7 20.Qh3 Be4 21.Ne4 Re8 22.Bd2 Qf5 23.Qf5 gf5 24.Ng3 a5 25.Nf5 Kh8 26.Bd1 Re5 27.Bg4 h5 28.Bh3 Rf8 29.Ng3 Bd6 30.Bf4 Re7 31.Bh6 Rfe8 32.Ne4 Be5 33.f4 Bd6 34.Nf6 Ra8 35.Ne4 Rae8 36.Bf5 Rf7 37.Bg6 Ref8 38.Bf8 Rf8 39.f5 Be5 40.Bh5 Kh7 41.g4 Kh6 42.h4 (42.h4 Bd6 43.Nd6 cd6 44.Re1+–) 1–0. AbstractPoetic – rexxx, internet, 2007.

5.Nf3 Bb7 6.Nh4 Ne7 7.Bc4 d5 8.Be2 0–0 9.0–0 Qd6 10.d4+= ed4 11.Bd4 Bd4 12.Qd4 c5 13.bc6 Nbc6 14.Qd1 Rae8 15.Nc3?? Ne5?? 16.Nf3 Qb4 17.Qd2? Rd8?? 18.Rab1+= Qg4?? 19.Ne5+– Qf5 20.Nf3 d4 21.Nd4 Qg6 22.Bf3 Ba6?? 23.Rfe1 Nf5 24.Qc1 Nh4 25.Qd1 Rf7 26.Be4 f5 27.Bf3 Nf3 28.Qf3 Bb7 29.Qg3 f4 30.Qg6 hg6 31.Ndb5 fe3 32.Re3 Rd2 33.Re2 Rdd7 34.Rd1 Rde7 35.Rde1 Rd7 36.Rd1 Rd1?? 37.Nd1+– Rd7 38.Ne3 a6 39.Nc3 Bc6 0–1. j1a9n55 – jmaze, internet, 2011.

4.e3 c6

5.a4 Qa5 6.Bc3 Bb4 (6...Qb6 7.d4 ed4 8.ed4+=) 7.Qg4+= g6?? (better is 7...Bc3 8.Nc3 g6+=) 8.Bb4+– Qc7 9.Nc3 d5 10.Qf3 a5 11.Ba3 Be6 12.bc6 bc6 13.Be2 (13.Rb1 Nd7+–) 13...Na6 (13...e4 14.Qf4 Qf4 15.ef4+–) 14.Rb1 f5 (14...e4 15.Qf4+–) 15.Nh3 e4 (15...Nf6 16.0–0+–) 16.Qf4 Qf4 17.Nf4 Bd7 (17...Nc7 18.Bd6 g5 19.Be5 gf4 20.Bh8 fe3 21.fe3+–) 18.Bb2 (better is 18.Rb6 Nc7+–) 18...Ne7 (18...g5 19.Nh5 Nb4 20.Ne4 fe4 21.Bh8+–) 19.Ne4! 0–0 (19...de4 20.Bh8) 20.Nf6 Rf6 21.Bf6 Kf7 22.Be5 (22.Bd4 c5 23.Ba6 cd4+–) 22...Nc5 23.Ra1 Ra7 (23...g5 24.Bh5 Kf8+–) 24.Bd4 1–0. Waibel,Ulrich – Opara,Carl, compuserve, 1996.

5.a4 d5 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c6 5.a4 Bc5).

5.c4 d5 6.Nf3 Bg4 7.Be2 Nd7 8.Nc3 Ne7 9.a3 dc4=+ 10.Bc4 Nb6 11.Be2 Ned5 12.Ne4 Be7 13.d4 ed4 14.Nd4 Be2 15.Qe2 Na4 16.Ne6 Qa5= 17.Kf1 Kf7 18.Nd4 Nb2 19.Qb2 Rhc8 20.g3 Kf8 21.Kg2 cb5 22.Qb5 Qb5 23.Nb5 Rc2 24.Kf3 g5 25.Rhd1+= Nb6 26.Nd4 Rb2 27.Rd2 Rd2= 28.Nd2 Rc8 29.Ne4 Nc4 30.a4 Kf7 31.Nf5 Rc7 32.Ne7 Ke7 33.g4 Ne5 34.Kg3 Rc4 35.f3 Rb4 36.Nc3 Rb3 37.Nd5 Ke6 38.Nc7 Kf7 39.Nd5? Rd3–/+ 40.f4 Rd5 41.fe5–/+ Re5 42.Kf3 Ra5 43.Rc1 Ra4 44.Rc7 Kg6 45.Rb7 a5 46.Ra7 Ra2 47.Ra6 a4 48.Ke4 a3 49.Kd5 Ra1 50.e4 a2 51.Ke6 Re1 52.Ra2 Re4 (52...Re4 53.Kd5 Rg4–+) 0–1. Dopper,Johan – Krijger,Martin, 1991.

5.Bc4 d5 6.Bb3 Qa5 (6...Ne7 7.d4 ed4 8.Bd4 Qa5 9.Nd2 Bd4 10.ed4=+) 7.Qh5 (better is 7.bc6 bc6 8.c4=) 7...Kd7?? (better is 7...g6 8.Qe2 Ne7=+) 8.Nf3 (better is 8.Qg4 Kc7 9.Qg7 Ne7 10.Qh8 Qb5 11.Qf6 Nd7 12.Be5 Ne5 13.Qe5 Bd6+–) 8...g6?? (8...Nh6+/–) 9.Qg4 (better is 9.Ne5 fe5 10.Qe5+–) 9...Kc7= 10.0–0?? (10.Qh4 Qb5 11.Ne5+=) 10...Bg4–+ 11.Nc3 (11.Ne5 Be6 12.bc6 Nc6 13.Nc6 bc6–+) 11...Bf3 12.gf3 cb5 13.a4 b4 14.Nd5 Kd6 15.e4 Ne7 16.c3 Nd5 17.Bd5 Qc7 18.cb4 Bb4 19.Rfc1 Nc6 20.Ba3 Ba3 21.Ra3 Rac8 22.Rac3 Ne7 23.Rc7 Rc7 24.Rc7 Kc7 25.Bc4 b6 26.d3 Rd8 27.Kf1 a5 28.Ke2 Nc6 29.Ke3 Nd4 30.f4 Kd6 31.fe5 fe5 32.f4 Nc2 33.Kf3 ef4 34.Kf4 Kc5 35.e5 Nd4 36.Ke4 Re8 37.h4 h6 38.Kf4 g5! 39.hg5 hg5 40.Kg5 Re5 41.Kf4 Re1 42.Bb5 Nb5 0–1. eds – sharky7, Live Game Caissa's Web, 2004.

5.d4 Bb4 6.c3 Bd6 +=.

5.d4 ed4?? 6.Bd4 Qe7?? 7.Qh5+– g6 8.Qc5 d6 9.Qa3 c5 10.Bb2 Bd7 11.Nc3 b6 12.Nd5 Qd8 13.c4 Be6 14.Qd3 Nd7 15.Qe4 Kf7 16.Nf4 Bf5 17.Qd5 Ke8 18.f3 Ne7 19.Qd6 Qb8 20.Qd2 g5 21.Nh5 Kf7 22.g4 Be6 23.Bg2 Qc7 24.Rc1 Rad8 25.Qc3 Ne5 26.f4 Rd3 27.fe5 Rc3 28.Rc3 Bg4 29.Nf6 Be6 30.Nf3 Kg6 31.0–0 g4 32.Nh4 Kh6 33.Rd3 Qc8 34.Rd6 (34.Rd6 Kg5 35.Ne4 Kh4 36.Rf6+–) 1–0. Baer,Cy (1895) – Decking,Lutz (2195), RSS5E easy–29, 2007.

5.Qh5 g6 6.Qh4 Ne7?? 7.Qf6+– Rf8 8.Qe5 d6 9.Qg7 Bf5 10.d3 Nd7 11.Nf3 Qa5 12.Bc3 Qb5? 13.d4 Qa4 14.dc5 Nc5 15.Nd4 Bc2 16.Nc2 Qc2 17.Qd4?? 0–0–0 18.Bc4?? Nf5?? 19.Qd2+– Qe4 20.Bf1 d5? 21.f3?? Qh4 22.Qf2 Qa4 23.Be2 Rfe8 24.0–0 Ne3 25.Bf6 Rd6= 26.Nc3 Qf4 27.Bh4 Nf1 28.Kf1 Qd2?? 29.Qe1?? Qh6 30.Rb1 Rde6 31.Qf2? b6 32.Bg3 Qg5 33.a4 Qf5 34.a5 (34.a5 Re2! 35.Qd4–+). elsh1403 – ishbarimeod (1685), internet, 2011.

4.e3 Ne7

5.c4 0–0 6.Nc3 d5 7.cd5 Nd5 8.Bc4+/– Be6 9.Qb3 c6 10.bc6 bc6 11.e4 1–0. Fredek (2090) – AntoonWeef, Freundschaftspartie, 5m + 0s, 2005.

5.c4 c6 6.Nf3 d5 7.Be2 a6 8.bc6 bc6 9.d4 Bb4 10.Bc3+= Bc3 11.Nc3 ed4 12.Nd4+/– 0–0 13.0–0 Bb7? 14.cd5 Nd5 15.Ne4 Re8 16.Bf3 c5?? 17.Nc5+– Bc8 18.Qb3 Re5 19.e4 Nd7 20.Nd7 Qd7 21.ed5 Bb7 22.d6 Kf8 23.Bb7 Rb8 24.Bc6 Qd6 25.Qc3 Rc5 26.Ne6! (26.Ne6 Qe6 27.Qc5 Qe7 28.Qa5+–) 1–0. valpa – Tofik, playchess.de, 2002.

5.Bc4 d5 6.Bb3 Be6 7.Qh5 g6 8.Qh6 Nf5–/+ 9.Qh4?? Nh4–+ 0–1. j1a9n55 – pedro1a (1635), internet, 2011.

5.d4 Bb4 6.c3 Bd6 7.Nf3 ed4 8.cd4 +=.

5.d4 ed4 6.ed4 Bb6 7.c4 a6 8.c5 Ba7 9.a4 0–0 10.Nc3 b6 11.Bc4 Kh8 12.Ne4 Bb7 13.f3 bc5 14.Nc5 Bc5 15.dc5 ab5 16.ab5 Ra1 17.Qa1 d5 18.cd6 cd6 19.Ne2 Qb6 20.Bd4 Qc7 21.Bd3 Nd7 22.0–0 Ne5 23.Be5 de5 24.Ng3 Rb8 25.Rc1 Qb6 26.Kf1 Nd5–/+ 27.Qb1? Nf4?? 28.Bh7? Qb5?? 29.Qb5+– Kh7 30.Qb1 Kh8 31.Kf2 Rd8 32.Qb7 Kh7 33.Nf5 Rd2 34.Ke1 Re2 35.Kd1 Kg6 36.Qg7 Kf5 37.g4 Ke6 38.Rc6 Kd5 39.Qd7 1–0. iczker – voin13, internet, 2011.

5.d4 ed4? 6.ed4?? Bd6 7.d5 0–0= 8.Nf3 c6 9.bc6 dc6 10.c4 cd5–/+ 11.cd5 Qa5 12.Bc3 Qd5 13.Qd5 Nd5 14.Bc4 Re8 15.Be2?? Nc3 16.Nc3 Bb4 17.0–0?? Bc3 18.Bc4 Be6 19.Be6 Re6 20.Rac1 Be5 21.Rc8 Kf7 22.g3 a5 23.Rd1 Raa6 24.Ne5–/+ Re5 25.Rb8 Rb6 26.Rd7 Re7 27.Re7 Ke7 28.Rg8 Kf7 29.Rb8 Rb2 30.Kg2 b5 31.a3 b4–+ 32.ab4 Rb4 33.Ra8 a4 34.h4 h6 35.h5–/+ g6 36.Ra7= Kg8 37.hg6 h5 38.Kh3 f5 39.f4 Kh8?? 40.g7?? Kg8 41.Kh4+/– a3 42.Ra3 Kg7 43.Kh5 Rb6 44.Ra7 Kf8? 45.g4 fg4 46.Kg4 Rf6 47.Kg5 Rb6 48.f5 Ke8 49.f6 Rb1 50.f7 Kf8= 51.Kf6 Rf1 52.Ke6 Re1 53.Kd6 Rf1 54.Ke6 Re1 55.Kd6 Re4 56.Kd5 Re2 (57.Rc7 Re7=). MasterofDisaster – Schnick, Live Game Caissa's Web, 2004.

5.d4 ed4? 6.Qh5 Ng6 7.Qc5 de3 8.Qe3 Kf7 9.Qg3 +–.

5.Be2 c6 6.a4 b6 7.Nf3 0–0 8.0–0 d5 9.c4 Be6 10.cd5 cd5 11.d4+/– Bd6 12.de5 Bc5 13.ef6+– gf6 14.Bd4 Nd7 15.Nbd2 Nf5 16.Nb3 Rc8 17.Rc1 Rc7 18.Qd2 Qe7 19.Rc2 Rfc8 20.Rfc1 Bb4 21.Bc3 Bd6 22.Nbd4 Nd4 23.Nd4 Bf7 24.Nc6 Qf8 25.Bf3 Nc5 26.Bd5 Bd5? 27.Qd5 Qf7 28.Qf7 Kf7 29.a5 Nb3 30.ab6 ab6 31.Rd1 Bf8 32.Bd4 Nd4 33.ed4 Bd6 34.d5 Rg8 35.g3 Be5 36.Nd4 Re8?! 37.Nc6 Rcc8?? 38.Rdc1 (38.Rdc1 Ra8 39.Kg2+–; better is 38.d6 Rg8 39.d7+–) 1–0. Ruhle,Ernst_Albrecht (1610) – Oettli,Godi (1640), 04 sen. Bad Ragaz, 2006.

5.Nf3 0–0 6.d4 Bb4 7.c3 Ba5 8.de5 fe5 9.Ne5 d6 10.Bc4 Kh8? 11.Nf7+– Rf7 12.Bf7 c6 13.a4 cb5 14.ab5 Bb6 15.c4 Bf5 16.0–0 Nd7 17.Qd6 Bc5 18.Qf4 Qf8 19.Bd5 Ng6 20.Qc7 Bd6 21.Ba3 Bc7 22.Bf8 Rf8 23.Bb7 Bb6 24.Nc3 Bd3+/– 25.Rfd1 Bf5? 26.Nd5 Nc5 27.Nb6 ab6 28.Bd5 h6 29.Ra7 Rb8 30.Bf3 Ne5 31.Be2 Bd3 32.Bd3 Ned3 33.Kf1 Kh7 34.Ke2 Nf4?? 35.ef4 Kg6 36.Rd6 Kf5 37.g3 Re8 38.Kf3 Ne6 39.Rf7 Kg6 40.Rb7 Kf5 41.g4 Kf6 42.f5 Ke5 43.Re6 Re6 44.fe6 Ke6 45.Rg7 Kd6 46.Rg6 Kc5 47.Rc6 Kb4 48.Rh6 Kc4 49.Rb6 Kc5 50.Rb8 (50.Rb8 Kb4 51.g5 Kc5 52.g6 Kb4 53.g7 Kc4 54.g8Q Kc3 55.Rc8 Kb2 56.Qg1 Ka2 57.Rc2 Ka3 58.Qb1 Ka4 59.Ra2) 1–0. j1a9n55 – andrevvvv, internet, 2011.

5.Nf3 0–0 6.d4 ed4 7.Nd4 a6 8.c4 ab5 9.cb5 c6 10.a4 d5= 11.Bd3 Bd4 12.Bd4 Bf5 13.0–0 Nd7 14.Qc2 Bd3 15.Qd3 Ne5 16.Qc3 Nc4 17.Nd2+= Nd2 18.Qd2 Nf5 19.Rfc1 Nd4 20.Qd4 ½–½. Labahn,Wolfgang – Petrasch, Enger–Spenge, 1980.

5.Qh5 Ng6 6.Nf3 d6 7.Bd3 Ke7 8.Bg6 hg6 9.Qg6 Be6 10.d4 ed4 11.ed4 Bb4 12.c3 Ba5 13.0–0?? c6?? 14.Re1 d5 15.Qg7 Kd6 16.Nbd2 Rg8 17.Ba3 c5 18.Bc5 (18.dc5?!=) 1–0. elsh1403 – najlik23, internet, 2011.

4.e4 Ne7

5.Bc4 c6=+ 6.a4 a6 7.Qh5= Ng6 8.g3 ab5 9.ab5 Ra1 10.Ba1 d5 11.ed5 cd5 12.Bd3 0–0 13.Bg6 hg6 14.Qg6 Qa5–+ 15.h4?? Qa1 16.c3 f5 17.h5 Qb1 18.Ke2 Qb5 19.Ke1 Qb1 20.Ke2 Qe4 (20...Qe4 21.Kf1 Qh1–+) 0–1. mic (2200) – petko (2335), net–chess.com, 2008.

5.d4 ed4?? 6.Qh5+– (6.Qh5 Ng6 7.Qc5+–) 1–0. pcmvr (2225) – leen (2205), net–chess.com, 2006.

4.g3 Ne7

5.Bg2 c6 6.a4 cb5 (6...d5 7.Nf3=) 7.ab5 Qb6 8.e3 Qb5 9.Bc3 (9.Ba3 Ba3 10.Na3 Qc5=) 9...Nbc6 (9...d5 10.Nf3+=) 10.Ne2 (10.d4 ed4 11.ed4 Bb4=) 10...d6 (10...d5 11.d4 Bd6 12.Na3 Ba3 13.Ra3=) 11.0–0 0–0 (11...Bg4 12.Re1+=) 12.Na3 Ba3 13.Ra3 Be6 14.Nc1 Qc5 15.Ra1 d5 (15...a5 16.Nd3 Qa7 17.Nb4=) 16.Nb3 Qd6 17.Bb2 b5 (17...b6 18.Qc1+=) 18.c3 a5 19.Qc2?? (better is 19.d4=) 19...a4–+ 20.Ba3 ab3 21.Qb3 (21.Bd6?? White will choke on that 21...bc2 22.Rac1 Ra2–+) 21...Qb8 (21...Qd7!? seems even better 22.Bc5–+) 22.Rfb1 Kf7 (better is 22...Qc7 23.Qb5 Rfb8 24.Qf1 Rb1 25.Qb1–+) 23.Qb5? (better is 23.Bf1–+) 23...Qb5 24.Rb5 Rfb8 25.Rb8 Rb8 26.Bf1 Ra8 27.Bb2 Ra1 28.Ba1 Na5 29.Bb2 Nec6 30.d4 e4 31.Bb5 Na7 32.Ba6 Bd7 33.Ba3 Bb5 34.Bc5 Ba6 35.Ba7 Nb3 36.Kg2 Ke6 37.f4 ef3! sealing the opponent's fate 38.Kf3 Nd2 39.Kf2 Ne4 40.Ke1 Nc3 41.Kd2 Ne4 42.Kc2 Kf5 43.Bb8 Kg4 44.Bf4 Kh3 45.Kd1 Kh2 46.g4 (46.Kc2–+ otherwise it's curtains at once) 46…Kh3 0–1. Buna,Madalina – Mathe,Katalin, ROM–ch U14 Girls, 2012.

5.Bg2 d6 6.e3 Bd7?? 7.a4 c6= 8.c4 a6 9.Ne2 0–0 10.0–0 Be8 11.d4+= Ba7 12.de5+/– Bc5 13.ef6+– gf6 14.Nf4 Qc8 15.Bh3 Bd7 16.Bd7 Qd7 17.Nc3 f5 18.Nce2 Rf7 19.Ba3 ab5 20.Bc5 dc5 21.Qd7 Nd7+/– 22.cb5 cb5 23.ab5+– Rc8 24.Ra7 Rb8 25.Rfa1 Rff8 26.Rd1 Ne5 27.Kg2 Kh8 28.Ne6 Rfc8 29.h3 N7g6 30.g4 Nc4? 31.Rd3 Re8? (better is 31...fg4 32.hg4 Nge5+–) 1–0. Guenther,Lars – Rajewski,C, Wch Seniors Bad Woerishofen, 1992.

3.b5 c6

4.a4 Qb6 5.e3 a6 6.c4 cb5 7.ab5 Bc5 8.d4 ed4 9.ed4 Bb4 10.Bc3 Qe6 11.Be2 Bc3 12.Nc3 d6?? (better is 12...Ne7+/–) 13.Nd5+– Kd8 14.b6 Qe4 15.Nc7 Nc6 16.Na8 Nge7 17.Nf3 Nb4 18.0–0 g5 19.Qb1 (19.Qd2 Nbc6+–) 19...Qe2 (19...Qb1 20.Rfb1 Nc2 21.Ra2+–) 20.Qb4 Nf5 21.Nc7 Qe4 22.Ra5 g4 (22...Bd7+–) 23.Rf5! Qf5 (23...Bf5 24.Qd6 Double attack; 23...Qf5 24.Qd6 Pinning) 24.Qd6 Bd7 25.Nd2 Kc8 26.Ne6! 1–0. jboger (2190) – sgrant (2080), net–chess.com, 2011.

4.a4 Bc5 5.e3 Qa5 (5...d5 6.d4 ed4 7.Bd4 Bd4 8.ed4=) 6.c4 (6.Bc3 Qc7+=) 6...Ne7 (6...d6 7.Bc3 Bb4 8.Bb4 Qb4 9.Nc3=) 7.Nf3 (7.Bc3 Bb4+=) 7...d5= 8.Be2 Bf5 9.0–0 0–0 (9...dc4!? 10.Bc4 Nd7+=) 10.d4+= Bd6? (better is 10...ed4 11.Nd4 Bd4 12.Qd4 Be6+=) 11.c5+– (11.de5?! fe5 12.Be5 Be5 13.Ne5 Qc7+/–) 11...Qc7? (11...Bc5 12.dc5 Nd7+–) 12.cd6 Qd6 13.de5 fe5 14.Be5 Qg6 15.Nh4 Qg5 16.Nf5 Qf5 17.Bb2 Nd7 (17...Qe6 18.Nc3+–) 18.Nc3 (better is 18.Bg4 Qg6 19.Bd7+–) 18...Nf6 19.Bd3 Ne4 (19...Qg5 20.bc6 bc6 21.Qc2+–) 20.Ne4 de4 21.Bc4 Nd5 22.Qd4 Qg6 23.Bd5 cd5 24.Qd5 Kh8 25.Qb7 h5 (25...Rfb8 26.Qe7+–) 26.Rac1 h4 (26...Rfb8 27.Qc6 Qc6 28.Rc6+–) 27.Rc6 Qg5 28.Rc7 Rg8 (28...Rab8 29.Bg7 Kg8 30.Qe4+–) 29.Qe4 h3 30.Qf3 (better is 30.Rc5! Rge8 31.Qa8 Qg2 (31...Ra8?? 32.Rg5 Rd8 33.Rg7+–) 32.Qg2 hg2+–) 30...hg2 (30...Qg2 31.Qg2 hg2+–) 31.Qh3 1–0. Khakimzianov,Rinat – Gusev,Fedor, Ufa Dautov Memorial, 2007.

4.a4 Ne7 5.e3 Nf5 (5...d5 6.d4 ed4 7.Bd4=) 6.d4 Qa5 (6...ed4 7.e4 Qe7 8.Qh5 (worse is 8.Bd4 Qe4 9.Ne2 Nd4 10.Qd4 Qc2–/+) 8...g6 9.Qe2+=) 7.Nd2 (7.Qd2 Qd2 8.Nd2 ed4+=) 7...d5 8.de5 fe5 9.Be5 Nd7 10.Bb2 Bb4 11.Ngf3 0–0 12.Be2 Qb6 13.0–0 Bd6 (13...a6!?+/–) 14.c4 Nf6 15.Qc2 Ng4 16.h3?? (better is 16.e4 Nf2 17.Rf2+– (17.ef5?! Bf5 18.Bd4 Nh3 19.gh3 Bc2 20.Bb6 ab6+/–)) 16...Bh2?? (better is 16...Nge3 17.fe3 Qe3 18.Rf2 Bc5–/+) 17.Nh2+– Nh2? (17...Nge3 18.a5 Qc5+–) 18.Kh2 Qc7 19.Kg1 Nh4 (19...Qf7 20.Bd3+–) 20.Nf3 (better is 20.cd5 Qd8 21.dc6 bc6 22.Qc6 Bh3+–) 20...Rf3 (20...Nf3 21.Bf3 Rf3 22.gf3+–) 21.Bf3 (better is 21.gf3!? Qf7 22.Rfd1 Bf5+–) 21...Nf3 22.gf3 Bh3 23.Qc3 (23.Rfd1!? Qf7 24.f4 Qe6+–) 23...Qe7 (23...Qf7 24.Qe5 Bf1 25.Rf1+–) 24.Qe5 Qd7 (24...Qe5 25.Be5 Bf1 26.Kf1 dc4 27.bc6 bc6+–) 25.cd5 cd5 (25...Bf1 26.dc6 bc6 27.bc6+–) 26.Rfd1 Rd8 (26...Qf7+–) 27.Rd5! h6 (27...Qd5 28.Qg7) 28.Rd7 Rd7 29.Kh2 (29.Rc1 a6 30.Rc8 Kh7 31.Qe4 Bf5 32.Qf5 g6 33.Qd7) 29...Be6 30.Qe6 Kh7 (30...Rf7 31.Rg1 Kf8 32.Ba3 Kg8 33.Qe8 Kh7 34.Qf7 a6 35.Qg7) 31.Qd7 h5 (31...Kg6 32.Rg1 Kh7 33.Qg7) 32.Qg7# 1–0. agrillage – aliwood, SchemingMind.com, 2005.

4.a4 Nh6 5.e3 d5 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c6 5.a4 Nh6).

4.Nc3 Bb4 (4...d5 5.e3+=) 5.a3 Bc3 6.dc3 (6.Bc3!? Ne7 7.d4 ed4 8.Qd4=) 6...d5 7.bc6 bc6 (7...Nc6 8.c4 Qa5 9.c3 dc4 10.e4–/+) 8.e3 e4 (8...Qa5 9.Qd2+=) 9.Ne2 Bg4 (9...Qb6 10.Rb1+=) 10.h3 Be2 11.Be2 g6 (11...Nd7!?+=) 12.c4 Ne7 13.cd5 Nd5 (13...Qa5 14.Kf1 0–0 15.d6+–) 14.Bc4 (14.c4 Qa5 15.Kf1 Ne7+–) 14...0–0 (14...Qa5 15.Kf1 Qc5 16.Qd4 Qd4 17.Bd4+=) 15.Qg4 (15.Qd4!?+/–) 15...f5 16.Qf4 Qe7 (better is 16...Qa5 17.c3 Nd7=) 17.a4?? (17.Rd1!? Qe6 18.Bd5 cd5 19.c4+/–) 17...Rf7 (17...Qb4!? 18.c3 Qc4 19.Qe5–+) 18.Ba3?? (18.Qe5 Qe5 19.Be5 Nd7+=) 18...Qe8 (better is 18...Qf6 19.Bd5 Qa1 (19...cd5?! 20.0–0=) 20.Ke2 Qa3 (20...Qh1 21.Bf7 Kf7 22.Qc7 Nd7 23.Qd7 Kg8 24.Bb2 Kf8 25.Qg7 Ke8 26.Bf6 Qd1 27.Kd1 Rd8 28.Ke2 Rd2 29.Kd2 f4 30.Qe7) 21.Bf7 Kf7–+) 19.Bd5 (19.Qd6!?+/–) 19...cd5= 20.Qh6 (better is 20.Qd6!?=) 20...Qa4 21.Bb2?? (better is 21.0–0+=) 21...Qb4–+ 22.c3 Qb2 23.0–0 Qc3 24.Rac1 Qf6 (24...Qg7!? 25.Rc8 Rf8 26.Rf8 Qf8 27.Qf4–+) 25.Rc8 Rf8 26.Rfc1 (26.Rc7 Qh8–+) 26...Nd7 27.R8c7 Rf7 28.R1c6 Qg7 29.Rc8 Rc8 30.Rc8 Rf8 31.Qg7 Kg7 32.Rc7 Rf7 33.Ra7 Ne5 34.Ra5 Rd7 35.Kf1 Nc4 36.Ra2 h5 37.Ke2 g5 38.f3 (38.g3 Rb7–+) 38...f4 39.fe4 de4 40.Ra4 (40.ef4 gf4 41.Kf2 Rd3–+) 40...Rc7 (better is 40...Rd2!? 41.Ke1 Rc2 42.ef4 gf4 43.Ra7 Kf6 44.Rc7–+) 41.Ra2 (41.ef4 gf4 42.Ra2 Ne3–+) 41...Ne3 (41...Ne3 42.g3 Rc2 43.Rc2 Nc2 44.gf4 gf4–+) 0–1. pinecrest1981 – StillBill, Live Game Caissa's Web, 2004.

4.c4 Qb6 5.Nc3 a6 6.bc6 Qc6 (6...dc6 7.Rb1=) 7.e3+= Bd6 +=. pcmvr (2535) – eduardobandeira (2100), net–chess.com, 2006.

4.c4 g6 5.e3 Bg7 6.Nf3 Ne7 7.Qb3 Qb6 8.c5 Qc5 9.a4 cb5 10.ab5 b6 11.Bc4 Rf8 12.Ba3 Qc7 13.Qb4 d6 14.Nc3 Bb7 15.Rc1 Qd7 16.Qd6 Qd6 17.Bd6 Kd7 18.Be7 Ke7 19.Nd5 Kd7 20.Bb3 Rc8 21.0–0 Nc6? 22.bc6+– Bc6 23.Nb4 Bf3 24.gf3 b5 25.Bd5 Rab8 26.Ra1 Bf8 27.Rfb1 Bb4+/– 28.Rb4 Kd6 29.e4 Rc7 30.Ra5 Kc5 31.Rb1 Kd6 32.Kf1 Rb6 33.Ke2 a6 34.Rba1 Ra7 35.Ke3 Kc5 36.f4 Kd6? 37.fe5 fe5 38.f4 b4 39.fe5 Ke5 40.Bb3 Kd6 41.d4 Ke7 42.e5 Rc6 43.d5 Rc3+/– 44.Kd4 Rb3 45.Ra6 Ra6 46.Ra6 Rh3 47.Rb6 Rh2 48.Rb4?? Rh4–+ 49.Kc5 Rb4 50.Kb4 h5 51.d6? Kd7?? 52.Kc4? h4=+ 53.Kd4?? h3–+ 54.Kd5 h2 55.e6 Kd8 (55...Kd8–+) 0–1. elsh1403 – lathient (1775), internet, 2011.

4.c4 Nh6 5.e3 Nf7 6.Nf3 d5 7.bc6 Nc6 8.cd5 (8.Nc3 d4 9.ed4 ed4=) 8...Qd5 9.Nc3 Qd8 (9...Qa5 10.Qb3=) 10.Bc4 (10.d4 ed4 11.Nd4 Bd7=) 10...Nd6 11.Bb3 (11.Bd5 Ne7=) 11...Bd7 (11...e4 12.Nd4 Nd4 13.ed4=) 12.Nh4 (12.d4 e4 13.Nd2 f5=) 12...g6 13.d3 (13.0–0 Na5=) 13...Bg7 (13...Be7 14.0–0=) 14.0–0+= Qe7? (better is 14...Rc8+=) 15.Ba3+– Be6 16.Nb5! Bb3 (16...Nb5 17.Be7 Pinning (17.Be7 Deflection)). pcmvr (2225) – cyrilrussell (2165), net–chess.com, 2006.

4.d4 ed4 5.Qd4 Qa5 6.Bc3 Qb5 7.e4 Qc5 8.Ne2 Qd4 9.Bd4 Bb4 10.c3 Ba5 11.Nf4 Ne7 12.Bc4 d5 13.ed5 cd5 14.Nd5 (14.Bd5? Bc7–+ (14...Nd5?! 15.Nd5 Nc6 16.Ke2–/+)) 14...Nbc6 15.Bc5 Be6 (better is 15...Nd5!? 16.Bd5 Bf5=+) 16.Nf6+= gf6 17.Be6 Rd8 18.0–0 Nd5 19.c4 (better is 19.Rd1 Nc3 20.Rd8 Nd8 21.Bc4+/–) 19...Bc3?? (better is 19...Nf4 20.Bg4 Rg8=) 20.cd5+– Rd5 21.Bd5 Ba1 22.Na3 Bd4 23.Bc6 bc6 24.Bd4 1–0. COMP – NN, 2003.

4.e3 Qa5 5.Bc3 Qa4 6.d4 d6 7.Bd3 (7.Qh5 g6 8.Qe2 e4=) 7...Ne7 (7...cb5 8.Qh5 Kd8 9.Qf7=) 8.Qe2 Nd7 (8...Bf5 9.e4 ed4 10.ef5 dc3 11.Qh5 Kd8 12.Nc3=) 9.Nf3+= Nd5 10.Bd2 (10.0–0 Be7+=) 10...N7b6 (10...Be7 11.e4 Nb4 12.Bb4 Qb4 13.c3=) 11.0–0+= Bg4 12.h3 (12.c4 Bf3 13.gf3 Nb4+=) 12...Bf3 13.Qf3 0–0–0 (13...cb5 14.Be4 Ne7+/–) 14.bc6+/– Qc6 (14...bc6 15.Nc3 Nc3 16.Bc3+–) 15.Be4+– Qb5?? (better is 15...Qc4+–) 16.a4! Qb2 (16...Qa4 17.Ra4) 17.Ra3 (17.Bd5?! Qa1 18.Bb7 Kb8+=) 17...ed4 (17...Rd7 18.Bd5 Nd5 19.Qd5+–) 18.Rb3 (18.Rb3 Qa2 19.Bd5 Qa4 20.Bb7 Kd7 21.Ra3+–) 1–0. Hasek,Frantisek – Valica,Slavo, TT–16 ETC, 2005.

4.e3 Ne7 5.c4 (5.d4 ed4 6.Bd4 Nf5=) 5...c5 (5...cb5 6.cb5 d5 7.d4=) 6.Nf3 (6.d4 d6+=) 6...d5= 7.cd5 (7.d4 cd4 8.ed4 e4=) 7...Qd5 (7...e4!? 8.d6 Qd6+=) 8.Nc3+= Qd6 (8...Qe6 9.Qa4+=) 9.a4 (9.Bc4 Bf5+=) 9...Be6 (9...Bf5 10.d4 cd4 11.ed4=) 10.Ba3 (10.Ne4 Qc7+=) 10...Nd7= 11.Ne4 Qc7 (11...Qb6 12.Rc1 Ng6 13.Qc2=) 12.Qc2 Increases the pressure on c5 (12.Rc1 Nd5=) 12...Nd5 (12...f5 13.Neg5 Bg8 14.Bc4=) 13.Bc4 (13.Rc1 Qa5=) 13...Qa5 (13...N7b6 14.Be2=) 14.0–0+= Nb4?? (14...Rc8 15.d3+=) 15.Qb3 (better is 15.Bb4 Qb4 16.Be6+–) 15...Bc4 16.Qc4 Qa4? (16...Be7+/–) 17.Bb4?? (better is 17.Rfb1!? Qc2 18.Rb4 Qc4 19.Rc4 a5+–) 17...Qb4 18.Qb4?? (18.Qe6 Kd8 19.Nc3+=) 18...cb4–/+ 19.Rfc1 (19.d4 a5 20.ba6 ba6–/+) 19...Be7 (19...f5 20.Ng3–/+) 20.Rc7 Nc5?? (better is 20...a5–/+) 21.d4?? (better is 21.Nc5 Bd6 22.Ne6 Bc7 23.Nc7 Kf7 24.Na8 Ra8 25.Rb1+–) 21...Ne4–+ 22.b6 (22.Rb7 b3 23.de5 b2–+) 22...a5 23.de5 (23.Rb7 Nc3 24.Ra7 Rb8 25.R1a5 ed4 26.Nd4 b3+=) 23...Kf7 24.Rb7 Nc5 Black prepares a4 (24...Rab8!? 25.Ra7 Rb6 26.ef6 Kf6 27.Ne5–+) 25.Rc7 a4 (25...Rhb8 26.Nd4 Rb7 27.Nf5–+) 26.Nd4 b3 (better is 26...Rac8!? 27.Ra7 fe5–+) 27.Nc6–/+ Rhe8 28.Ne7 (28.ef6!? b2 29.Rd1–+) 28...Re7–+ 29.Rc5 b2 (worse is 29...fe5 30.Rb5–/+) 30.Rb1 a3 (30...a3 31.Rb5 a2 32.R5b2 a1Q–+) 0–1. gtate (1955) – jcekota (2100), net–chess.com, 2006.

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

4.a4 a5

5.e3 Qb6 6.Nf3 cb5 7.ab5 d5 8.c4 Be6 9.Qb3 Ne7 10.d4 e4 11.c5 Qc7 12.Nfd2 b6 13.c6 Qa7 14.Ne4 Nf5 15.Ng3 a4 16.Qc2 Bb4 17.Bc3 Bc3 18.Nc3 Qc7 19.Nf5 0–0 20.Bd3 a3 21.0–0 g6 22.Ng3 f5 23.h4 h5 24.Qe2 Kf7 25.Nh5 gh5 26.Qh5 Ke7 27.Qg5 Ke8 28.Qg6 Qf7 29.Qf7 Rf7 30.Ra2 Kf8 31.Rfa1 Rfa7 32.Nb1 Rh7 33.g3 Raa7 34.Ra3 Ra5 35.Ra5 ba5 36.Ra5 Rc7 37.Ra8 Rc8 38.Nc3 Kg7 39.Na4 Nc6 40.Rc8 Bc8 41.bc6 Kg6 42.Nb6 Be6 43.c7 Kh5 44.Nd5 Bc8 45.Ne7 Bd7 46.Bf5 Bf5 1–0. phildo (1820) – sbmr, gameknot.com, 2013.

5.e4 d5 6.ed5 Qd5 (6...cd5 7.Nf3=) 7.Nc3+= Qd8 (7...Qd6 8.Ba3 c5 9.Bc4+=) 8.Bc4= Bc5 (8...Bf5 9.Qh5 Bg6 10.Qd1=) 9.Ne4+= Bb6 (9...Bb4 10.Qh5 g6 11.Qf3+=) 10.Bg8= Rg8 11.Qh5 Kf8? (better is 11...Ke7+/–) 12.Ba3+– c5 13.Nc5 (13.Qh7?! Qd4 14.c3 Qd5+/–; 13.Bc5?! Bc5 14.Nc5 Qd4=) 13...Ke7 (13...Qe7 14.Nd7!! Bd7 15.Be7 Ke7 16.Qh7 Be6+–) 14.Nb7 Kd7 (14...Ke6 15.Nd8 Rd8 16.Qh7 Ra7+–) 15.Qf7 1–0. spereira (1910) – super knight (1610), chesshere.com, 2005.

4.a4 a6

5.c4 ab5 6.cb5 b6 7.e3 Ne7 8.Qh5 Ng6?? 9.Bd3+– cb5? 10.Bg6 Ke7 11.Bc2 ba4 12.Ra4 Ra4 13.Ba4 Ba6 14.Ne2 d5 15.Ba3 Ke6 16.Qh3 Kf7 17.0–0?? Ba3 18.Na3 Qd6?? 19.Re1?? Qa3=+ 20.Nc3 Bc4 21.Bd7 Nd7 22.Qd7 Qe7 23.Qc6 b5 24.Nd5 Bd5 25.Qd5+/– Qe6 26.Qb5 Rd8 27.Qe2 g6 28.h3 Kg7 29.Rc1 Qd5 30.Rc7 Kh6?? 31.Rc2 Qd3+/– 32.Qd3 Rd3 33.Kf1 Kg5 34.Ke2 Rd7 35.g3 h5 36.Rc4 f5 37.d4 ed4 38.ed4 Kf6 39.Rc6 Kf7 40.Ke3 g5 41.f4 g4 42.hg4 hg4 43.Rc5 Kf6 44.d5 Re7 45.Kd4 Rd7? 46.Rc6+– Ke7 47.Ke5 Ra7 48.Kf5 Ra5 49.Ke4 Ra4 50.Ke5 Ra3 51.Rc7 Kd8 52.d6 Rg3 0–1. elsh1403 – waska56, internet, 2011.

5.e4 ab5 6.ab5 Ra1 7.Ba1 Qa5 (7...d5 8.ed5 cd5 9.d4 Bb4 10.c3=) 8.Bc3+= Qa4 9.Bd3 (9.d4 c5 10.de5 Qe4 11.Ne2 d5+=) 9...c5 10.Nf3 c4 11.Be2 Qb5 12.0–0 (12.d4 cd3 13.Bd3 Qc6=) 12...Bc5 (12...d5!? 13.d3 de4 14.de4 Qc6+=) 13.d4+= ed4 14.Nd4 Bd4 (14...Qa6 15.Re1+=) 15.Bd4 Qa6 16.Bc5 b5 17.Nc3 Bb7? (17...Qc6 18.Qd6 Qd6 19.Bd6 b4 20.Bb4 Nc6+–) 18.Bg4 (better is 18.Nb5 Qb5 19.Qd6 Qc5 20.Qc5+–) 18...Qc6 19.Bb4 (19.Bd6!? Na6 20.Bf3+/–) 19...Na6= 20.Nd5 Nb4 21.Nb4 Qc8 (21...Qc7 22.Nd5 Qe5 23.f4+/–) 22.Qd6 (better is 22.Re1=) 22...Be4?? (better is 22...Nh6 23.Bh5 Kd8=) 23.Re1+– Qb7 24.f3 Ne7 (24...g6+–) 25.Re4 Qa7 26.Kf1 Kf7 (26...0–0 27.Re7 Qa1 28.Re1 Qa8 29.Bd7 Qb8+–) 27.Qe7 Kg6 28.Bh3 h5 29.Bf5! Kf5 30.Qg7 Qa1 31.Kf2 Qa7 32.Kf1 Qa1 33.Ke2 Qa8 34.g4 1–0. dixi82 – SIRMO, ChessWorld.net, 2006.

4.a4 cb5

5.a5 Qa5?? 6.Ra5+– a6 7.c3 (7.Nc3!? Bb4 8.Ra1 Bc3 9.Bc3 Nc6+–) 7...Nc6 8.Ra2 d5 9.Na3 b4 (9...Ra7 10.Nc2+–) 10.Nb5! Kd8 (10...ab5 11.Ra8 Pinning (11.Ra8 Deflection; 11.Ra8 Clearance)) 11.cb4 (11.Qb3 Be6 12.e4 Bf7 13.ed5 Rc8+–) 11...Rb8 (11...Bf5 12.Ra1+–) 12.Nc3 Be6 (12...Nb4 13.Ra1 Bf5 14.Rc1+–) 13.Qb3 (13.b5!? ab5 14.Nb5 Nb4+–) 13...Nd4 14.Qa4 Bd7 (14...Bb4 15.e3 (15.Qb4?! Nc2 16.Kd1 Nb4+=) 15...Nc6 16.Qb3+–) 15.Qa5 (15.b5 Bb5 16.Nb5 Nb5 17.Qa5 Nc7+–) 15...Ke8 (15...b6 16.Qa6 Nc2 17.Kd1 Nb4 18.Qa7+–) 16.Qd5 (better is 16.Nd5!? Bc6 17.Bd4 ed4+–) 16...Bb4 (16...Nc2 17.Kd1 Nb4 18.Qb3 Na2 19.Qa2+–) 17.e3 (better is 17.Qc4 Rc8 18.Qd3 Be6+–) 17...Nc2 (17...Ne7 18.Qe4 Bf5 19.Qh4 Nc2 20.Kd1+–) 18.Kd1 Ne7 (18...Bf5 19.d3 Bg6 20.Qb3+–) 19.Qb3 Bf5 20.Bc4 (20.e4!? Bc3 21.Bc3 Be4 22.Qa4 Bc6 23.Qc2 Bd5+–) 20...Rf8 (20...Bc5 21.g4! Bg6 22.Na4+–) 21.e4 (21.Be6 Bg6+–) 21...Bc3 22.Bc3 Be4 23.Ra6! Bg2 (23...ba6 24.Qa4 Double attack (24.Qb8 Pinning; 24.Qb8 Deflection; 24.Qb8 Decoy)) 24.Bb5 Nc6 25.Qe6 Kd8 26.Qd6 Kc8 27.Qf8 Kc7 28.Qg7 Kc8 29.Qg2 ba6 30.Qc6 1–0. ifairclough – quikeagle, net–chess.com, 2002.

5.a5 Nc6 –/+.

5.ab5= a5 6.ba6 (6.e4 a4+=) 6...ba6= 7.d4 (7.e4 Bc5 8.d4 Qb6 9.dc5 Qb2=) 7...Qb6 (7...ed4 8.Bd4 Nc6 9.Nf3=) 8.Bc3 Nc6 9.e3 Bb7 10.Nf3 e4 11.Nfd2 Nb4 12.Be2 d5 13.0–0 Nh6 14.Nb3 Bd6 15.Bh5 (15.f3 0–0=) 15...g6 16.Be2 Nf5 (16...0–0 17.Qd2 a5 18.Nc5=) 17.Nc5+= Rf8 18.Bb4 Qb4 19.Nb7 Qb7 20.c4 dc4 21.Bc4 (21.Qa4!? Kd8 22.Bc4=) 21...Bh2+= 22.Kh1 Bd6 (22...Bc7 23.Qa4 Kd8 24.Nc3+=) 23.Nc3= Qg7 Threatening mate... how? 24.Qa4 Increasing the pressure on the isolated pawn on a6 (24.Ba6?? Qh6 25.Qh5 Qh5 26.Kg1 Qh2; 24.Ra6?? Qh6 25.Qh5 Qh5 26.Kg1 Qh2) 24...Kd8 25.Qa5 Kd7 26.g3 Qh6 (26...Bg3!? 27.fg3 Qh6 28.Kg2 Ne3 (28...Qe3?? 29.Qd5 Kc7 30.Qf5 Qd2 31.Rf2 gf5 32.Nd5 Kd6 33.Rd2+–) 29.Kg1 Nf1 (worse is 29...Nc4 30.Qa4 Kd8 31.Qc4+=) 30.Qd5 Kc7 31.Qa5 Kd7 32.Qd5 Kc7 33.Qa5 Kd7=) 27.Kg2+= Ng3 28.Qa4 Kd8 29.Qc6 (29.fg3 Qe3 30.Ne2 Qg5+–) 29...Nf5 The mate threat is Qh2 30.Qa8 Kd7 31.Bb5! (31.Bb5 ab5 32.Qb7 Bc7 33.Qb5 Ke6 34.Qc6 Kf7 35.Qc7 Kg8 36.Rh1 Nh4 37.Kf1+–) 1–0. Fehr,Wolfgang – Algaba,Pedro, corr SOK–90–66, 1990.

5.ab5= Bc5 6.e3 Ne7 (6...d5 7.d4 Bb4 8.Bc3=) 7.c4 (7.d4 Bb4 8.c3 Bd6+=) 7...0–0 8.Qb3 d5 9.cd5 Nd5?? (better is 9...Qd6=) 10.Bc4+– Be6 11.e4 (11.Nc3 Kh8 12.Bd5 Bd5 13.Qd5 Qc7+–) 11...Nc7? (better is 11...Qb6 12.Bd5 Bf2 13.Kf1 Bd5 14.Qd5 Kh8+–) 12.Be6 Ne6 13.Qe6 Rf7 (13...Kh8 14.Nf3+–) 14.Nf3 (14.Nf3 Nd7 15.Nc3+–) 1–0. Borrmann,Fritz – Breitenstein,Otto, CiF, 1985.

5.ab5= d5 6.Nc3 =.

5.ab5= d5 6.d4 e4 7.e3 =.

5.ab5 Ne7 6.e4 Qb6 7.Nf3 d5 8.ed5 Nd5 9.c4 Nc7 10.Nc3 Bg4 11.Be2 Bc5 12.0–0 0–0 13.Na4 Qd6 14.Nc5 Qc5 15.Ba3 1–0. rcm06 (1930) – tomekd, gameknot.com, 2012.

4.a4 d5

5.d4 e4 6.e3 Nh6 7.c4 Be7 8.Nc3 Be6 9.Nge2 0–0 10.Nf4+/– Bf7 11.h4 Bb4 12.Qb3 Ba5 13.Rc1 Nd7 14.c5 Rb8 15.Be2 Bc3 16.Bc3 Qe7 17.Bb4 Qd8 18.Bh5 Bh5 19.Nh5 Qe8 20.Nf4 Qf7 21.h5 a6 22.b6 Nf5 23.Bd2 Qe7 24.g4 Nh6 25.Rg1 Rf7 26.Qd1 Nf8 27.Ke2 Ne6 28.Ne6 Qe6 29.Be1? Ng4–+ 30.Rg4? Qg4 31.Kd2 Qf5 32.Kc3 g5 33.Qe2 Qh3 34.Rc2 h6 35.Bd2 f5 36.a5 Qg4 37.Qg4 fg4 38.f4 gf3 39.Be1 1–0. iczker – sakkmat (1615), internet, 2011.

5.e3 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c6 5.a4).

5.e3 Be6 6.Nf3 (---> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 c6 6.a4).

4.c4 a6

5.a4 Bb4 6.e3 d5 7.Nc3 d4 8.ed4 ed4 9.Ne4 d3 10.Qh5+/– g6 11.Qf3 Bf5 12.Bd3 Nd7 13.Ne2 Nc5?? 14.Nc5+– Ne7 15.0–0 Bc5 16.Nf4 0–0 17.Rfe1 Bd3 18.Nd3 Bd4 19.Bd4 Qd4 20.Nf4 Qc4? 21.Re7+– ab5 22.Ne6 Rf7 23.Rf7 Kf7 24.Re1 Ra4?? 25.Qg3 Qe6–/+ 26.Re6?? Ra1 (26...Ra1 27.Re1 Re1) 0–1. elsh1403 – hugr, internet, 2011.

5.a4 ab5 6.cb5 cb5 7.ab5 Ra1 8.Ba1 Qa5 9.Nc3 Bb4 10.e3 Ne7 11.Nf3 d6 12.Be2 Be6 13.0–0 Nd7 14.Ne4 d5 15.Nc3 0–0 16.Qb3 Nc5 17.Qb1 Nc8 18.Rc1 Nb6 19.Kh1 Ra8=+ 20.Kg1 Nb3?? 21.Qb3+– Kf7 22.d4 e4 23.Nd2 Bc3 24.Bc3 Qa3 25.Qa3 Ra3 26.f3 f5 27.Kf2 g5 28.Bb4 Ra2 29.Rc7 Kf6 30.Rb7 Na4 31.Ra7 h5 32.Ra6 Nc3 33.Ra2 Na2 34.b6 Nb4 35.b7 Na6?? 36.Ba6 1–0. elsh1403 – innyjan (1620), internet, 2011.

5.a4 ab5 6.cb5 cb5 7.ab5 Ra1 8.Ba1 d5 9.e3 Bd7 10.Nc3 Qa5 11.Nd5+= Bd6 12.Bc3 Qa3 13.Nf3 Ne7 14.Nb6 Be6 15.Bc4 Kf7? 16.0–0 Qa7 17.Be6 Ke6 18.Nc4 Qc5 19.Qb3 Nd5?! 20.d4 Qc7 21.de5 fe5 22.Rd1 Nc3 23.Nd6 (23.Nd6 Kf6 24.b6 Ne2 25.Kf1+–) 1–0. elsh1403 – hugr (1780), internet, 2011.

5.a4 ab5 6.cb5 d5 7.e3 Bf5 8.Nc3 d4 9.ed4 Qd4 10.Nf3 Qd7 11.Bc4 Bd3 12.Qb3 Bc4 13.Qc4 Bd6 14.0–0 Ne7 15.Ne4 Nd5 16.Nc3 Nc3 17.dc3 Qf7 18.Qf7 Kf7 19.Rfd1 Bc5 20.Ba3 Ba3–/+ 21.Ra3 cb5 22.Rb3 ba4 23.Rb7 Kg6 24.Nh4 Kg5?? 25.g3 g6–+ 26.Nf3 Kh6 27.Ra1 Nc6 28.Rb6 Rhc8 29.Kg2 a3 30.Rb3 a2 31.Rb2 Ne7 32.Rba2 Ra2 33.Ra2 Rc3 34.Ra6 Nd5 35.Rd6 e4 36.Nh4? Rd3–+ 37.Kh3?? f5! 38.Ng2? Nb4 39.Nf4?? Rd6 40.Kg2 Rd2 41.Ne6 Nd3 42.Kh3 Rf2 43.Nf4 Nf4 44.gf4–+ e3 45.Kg3 Rf4! 46.Kf4 e2 47.Ke5 e1Q 48.Kd5 Kg5 49.Kd4 Kf4 50.Kd5 Qe5 51.Kc4 Ke4 52.Kb3 Kd3 53.Kb4 Qc7 54.Kb5 Kd4 55.Kb4 Qc4 56.Ka5 Qb3 57.Ka6 Kc5 58.Ka7 Kc6 59.Ka8 Qb7 0–1. elsh1403 (1605) – hugr, internet, 2011.

5.ba6 Na6 6.Nc3 d5 7.cd5 cd5 8.e3 Nc7 9.d4 =.

5.Nc3 ab5 6.cb5 d5 7.e3 Bb4 8.a3 Bd6 9.bc6 =.

5.d4 Bb4 (5...ab5 6.cb5 e4 7.e3 d5 8.Nc3 Qb6 9.Bc1=; 5...Qa5 6.Bc3 Bb4 7.Qd2 Bc3 8.Nc3 ed4 9.Qd4=) 6.Bc3 Qa5 7.Qd2 Bc3 8.Nc3 ed4 9.Qd4 =.

5.e3 ab5 6.cb5 d5 7.d4 e4 8.Nc3 Bd6 9.bc6 =.

5.e3 ab5 6.cb5 d5 7.Qh5 g6 8.Qh4 Bg7 9.f4 Nd7 10.Nf3 Ne7 11.fe5 Ne5 12.Ne5 fe5 13.Be2 0–0 14.Rf1 Nf5 15.Qd8 Rd8 16.Nc3 d4 17.Ne4 de3 18.Bc4 Kh8 19.0–0–0? cb5 20.Bb5 Ra2?? 21.de3= Rf8 22.Rfe1?? Ra5 23.Rd5 Be6 24.Rc5 Rc8 25.Rc8=+ Bc8 26.Bd3 Ra6?? 27.Kd2?? Rb6 28.Rb1 Be6 29.Be5 Rb1 30.Bg7 Kg7 31.Bb1 Bd5 32.Nc3 Bg2–/+ 33.Bf5 gf5 34.Nb5 Bc6 35.Nd6 Kg6 36.Kd3 b5 37.e4? fe4–+ 38.Ne4 Be4 39.Ke4 b4 40.Kd4 Kg5 41.Kc4 h5 42.Kb4 Kh4 43.Kc3 Kh3 44.Kd2 Kh2 45.Ke2 Kg2 46.Ke3 h4 47.Kf4 h3 48.Ke5 h2 49.Kd4 h1Q 50.Kc5 Qh5 51.Kd4 Kf3 52.Kd3 Qg5 53.Kd4 Qf5 54.Kc3 Qd5 55.Kc2 Ke3 56.Kb2 Qc5 57.Kb3 ½–½. elsh1403 – maxplanck1, internet, 2011.

4.c4 cb5

5.cb5 b6 6.e4 d6 7.Be2 h5 8.Bh5 Ke7 9.Nc3 a6 10.Nd5 Ke6 11.Qg4 f5 12.Qf5 1–0. rcm06 (1905) – ctrussell, gameknot.com, 2012.

5.cb5 Qb6 6.Nc3+= Bb4 7.Nd5+/– Qd6 8.Rc1 (8.Nb4?! Qb4 9.Qc1 Ne7=) 8...Qd5 9.Rc8 Kf7 10.a3 (better is 10.e3 Qe6 11.Qa4+/–) 10...Bd6? (better is 10...Ba5+/–) 11.e3+– b6 (11...Ke7 12.f3 e4+–) 12.Bc4 (12.Bc4 Qc4 13.Rc4+–) 1–0. b4_player – KamWC, gamecolony.com, 2007.

5.cb5 Bc5 6.e3 Ne7 7.Be2 0–0 8.Nf3 d5 9.Qb3 Be6 10.e4 (10.d4 ed4 11.Bd4 Bd4 12.Nd4 Qa5 13.Nc3 Rc8+/–) 10...Qd6 11.ed5 Bd5 12.Qc2 Nd7 13.Nc3 a6 14.a4 ab5 15.ab5 Nb6 16.Nd5 Nbd5 (worse is 16...Qd5 17.Bd3+=) 17.0–0 Nb4 18.Qd1 Nf5 19.Ra8 Ra8 20.Qb3 Kf8 21.Rd1 Nd5 22.Bc4 Nfe7 23.Bd5 (23.d4 ed4 24.Qd3 Kg8+=) 23...Nd5 24.g3 (24.d4 ed4 25.Bd4 Bd4 26.Nd4 Rd8+=) 24...Nc7 (24...e4!? 25.d4 Bb4–/+ (25...ef3?? 26.dc5 Qe6 27.Qd5 Qd5 28.Rd5+–)) 25.d4= ed4 26.Nd4 Qb6 27.Rd2 Re8 28.Qc4 Ne6 29.Ne6 Qe6?? (better is 29...Re6 30.Bd4 Bd4 31.Rd4 Re2=) 30.Qc5+– Kg8 31.Qd5 Qd5 32.Rd5 Re1 33.Kg2 Rb1 34.Ba3 b6 (34...Rb3 35.Bc1 Kf8 36.Bf4+–) 35.Bd6 Kf7 36.Bc7 Ke6 37.Rd6 Ke7 38.Rb6 Kd7 39.Bf4 g5 40.Rb7 Kc8 41.Rb8 Kd7 42.Be3 Kc7 43.Rb6 h5 44.Rf6 Rb5 45.Bb6 Rb6 46.Rb6 Kb6 47.Kf3 (47.Kf3 Kc5 48.h4 gh4 49.Kf4–+ (worse is 49.gh4 Kd5 50.Kf4 Ke6+–)) 1–0. valpa – Dutchin, playchess.de, 2003.

5.cb5 Ne7 6.e3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Qb6 (9...d5 10.d4 e4 11.Qb3=) 10.Nc3 d5 11.Be2 d4 12.Ne4 f5 13.Ng3 f4 (13...de3!? 14.fe3 Nd7=) 14.ef4+= ef4 15.Ne4 (15.Nh5 Qd6 16.Qa4 Qg6 17.Nf4 Qb1 18.Bd1 d3+–) 15...Bf5 16.f3 Nd5 17.Bc4 Nb4 18.d3 h5 (18...Qa7 19.Bb2 Qa5+/–) 19.Ne2+– Bd6? (19...Be4!? 20.fe4 f3 21.gf3 Bc5+–) 20.Nd6 (20.Bd4 Qd8+–) 20...Qd6 21.Bd4 Rh7 22.Qd2 g5 23.Bc3 (better is 23.h4+–) 23...Nd3+= 24.Bd3 Bd3 (24...Qd3 25.Bf6+=) 25.Bb4 Qg6 (25...Qd7 26.Kf2 Qb5 27.Nd4=) 26.0–0 Rd7 (26...Bb5 27.Re1 Qb6 28.Nd4 Kd7 29.Kh1+–) 27.Qe1 (better is 27.Rc1 Kf7 28.Nf4 gf4 29.Rc8 Qb6 30.Bc5=) 27...Be2?? (better is 27...Kf7 28.Qf2 Qf5+=) 28.Qe2+– Kd8 (28...Kf7 29.Re1 Kg8 30.Qe8 Qe8 31.Re8 Kf7 32.Rb8 Kg6+–) 29.Rd1 (better is 29.Qe5 Kc8 30.Qc5 Nc6 31.Ra1+–) 29...Rd1= 30.Qd1 Kc8 (better is 30...Nd7!? 31.Bd6 Qe6=) 31.Be7 Qe8? (better is 31...Qb6 32.Kh1 Nd7+–) 32.Bg5+– Qe3 33.Kh1 (better is 33.Kf1 Nd7 34.Qc2 Qc5 35.Qc5 Nc5 36.Bf4+–) 33...Qe8? (33...Nd7 34.h4+–) 34.Bf4 (better is 34.Qc1 Nc6 35.Bf4+–) 34...Nd7?? (better is 34...Qb5 35.h4 Qe8+–) 35.h3 (better is 35.Qc2 Kd8 36.Bg5 Nf6 37.Bf6 Kd7+–) 35...Nf6 (35...Qe7 36.Qa1 Nc5+–) 36.Qd6 Ng8 (36...Qe1 37.Kh2 Ne8 38.Qb8 Kd7 39.Qb7 Ke6+–) 37.Qc7 1–0. Valpa – Footyhead, playchess.de, 2005.

5.cb5 Ne7 6.e4 (6.d4 ed4 7.Qd4 d5=) 6...Ng6 (6...d5 7.Qh5 g6 8.Qf3=) 7.g3 (7.Nc3 Nf4+=) 7...d6 (7...d5 8.ed5 Qd5 9.f3+=) 8.a4 (8.d4 d5 9.de5 Bb4 10.Bc3 Bc3 11.Nc3 d4=) 8...Nd7 (8...d5 9.ed5 Qd5 10.Nf3+=) 9.Bg2 (9.Nc3 Nc5=) 9...Rb8 (9...d5 10.ed5 Nb6 11.Qb3=) 10.Nc3 (10.d4 Be7=) 10...b6 (10...Nc5!? 11.d4 ed4 12.Qd4 Qa5=) 11.Nge2+= Nc5 (11...Bb7 12.0–0+=) 12.Nc1 (12.d4 ed4 13.Nd4 Ne5+/–) 12...Bb7 (12...f5 13.d4 Ne4 14.Ne4 fe4 15.Be4+=) 13.0–0 Be7 (13...Rc8+=) 14.Ba3 (14.d4 Nd7+=) 14...Rc8 (14...0–0 15.d4 ed4 16.Qd4=) 15.Qe2 (15.d4 ed4 16.Qd4 Qd7+=) 15...0–0= 16.h4 (16.Bh3 Rc7=) 16...h6 (16...f5 17.Bc5 Rc5 18.Nd3=) 17.h5 (17.Bh3 Rc7+=) 17...Nh8= 18.Bh3 Rc7 19.Bf5 (19.a5 Nf7=) 19...Nf7 20.Qg4 Ng5 e4 draws heavy fire 21.f4 (21.N1e2 Re8=) 21...Nge4 22.Bc5 Nc5 23.Qg6 1–0. mic (2100) – alwayslosing (2020), net–chess.com, 2008.

5.cb5 Nh6 6.d4 d6 (6...Qa5!? 7.Qd2 Bb4=) 7.e4+= Be7 (7...Nd7 8.Nd2+=) 8.Bc4 Nf7 (8...Bg4 9.Nf3+=) 9.Nf3+/– a6 (9...Nd7 10.0–0+=) 10.ba6 ba6 11.Qb3 0–0 12.Bd5 Be6 (12...Ra7 13.Qb8 Qa5 14.Bc3+–) 13.Be6 Nc6 14.Qc3 Qa5 (14...Nd4 15.Nd4 ed4 16.Qd4+–) 15.Qa5 Na5 16.Nbd2 (16.Nc3 Rfb8 17.Ba3 Nc6+–) 16...Kh8 (16...Rab8 17.Rb1+–) 17.Bd5 (17.Rb1 Rab8+–) 17...Rac8 (17...Rab8 18.Bc3 Bd8 19.0–0+–) 18.Ke2 (18.Rc1 Rb8 19.Ba3 Rb5+–) 18...Ng5 (18...Rc2 19.Rhb1+–) 19.Ng5 fg5 20.de5 de5 21.Rac1 (21.Be5 Bf6 22.Bf6 gf6+–) 21...Bc5 22.Nf3 (22.Be5 Nc6 23.Bg3 Nd4 24.Kd3 Bb4+–) 22...g4 23.Ne5 Rf2 24.Kd3 Rb2 25.Nf7 (25.Nf7 Kg8 26.Nd6 Kh8 27.Nc8+–; 25.Ng4?! g6+–) 1–0. pierre – super knight, ChessHere.com, 2006.

5.cb5 d5

6.d4 Qa5 7.Qd2 Qb5 8.de5 Qb4 =.

6.d4 Bb4 7.Bc3 Qa5 =.

6.d4 Bb4 7.Bc3 Bc3 8.Nc3 =.

6.d4= Nd7 7.e3 Bd6 8.Nc3 Ne7 9.de5 =.

6.d4 e4 7.Qb3 Be6 8.e3 Qb6 9.Nc3 a5? (better is 9...Qa5=) 10.Nd5+– Bd5 11.Qd5 Ne7 (11...Bb4 12.Kd1+–) 12.Qe4 Nd7 13.Rc1 f5 14.Qf3 g5 (14...Rd8 15.Bc4+–) 15.g4 (15.Qh5 Qg6 16.Qg6 hg6+–) 15...Ng6 (15...fg4 16.Qg4 h6 17.d5+–) 16.gf5 (16.gf5 Bb4 17.Kd1+–) 1–0. Woelfelschneider,Peter – Schaefer, 2009.

6.e3 Bd6 7.Nc3 Ne7 (7...Be6 8.Nf3=) 8.d4 (8.Qh5 Kf8=) 8...Be6 9.de5 fe5 10.Qh5 (10.Nf3 0–0=) 10...g6 (10...Bf7 11.Qh4=) 11.Qd1 Nd7 12.Nf3 0–0 (12...Qa5 13.Rc1=) 13.Ng5 Nc5 14.Ne6 (14.Qd2 Qa5=) 14...Ne6 15.Be2 (15.Nd5 Nd5 16.Bc4 Qh4 17.Qd5 Bb4 18.Kd1 Rad8–+) 15...Bc5 (15...Rc8 16.Bg4 (16.Nd5? Nd5 17.0–0 Rc5–+) 16...Qd7 17.Rc1= (17.Nd5? Nd5 18.0–0 Rc5–+)) 16.0–0 Qd6 17.Qb3 (17.Qd3 Rad8=) 17...Rad8 (17...Bb6!?=) 18.Rad1+/– Now all is on d5. White gets strong initiative 18...b6 19.Ne4! Qc7 (19...de4 A pinning theme 20.Rd6) 20.Bg4 Ng7 21.Nc3 h5? (better is 21...Qb7!?+/–) 22.Nd5+– Nd5 23.Rd5 Rd5 24.Qd5 Kh7 (24...Qf7 25.Bf3 Qd5 26.Bd5 Kh7 27.Bc6+–) 25.Be5 Qe7 26.Bg7 Rd8 (26...Kg7 27.Bf3+–) 27.Qe5 (27.Qb3 Kg7 28.Be6 h4+–) 27...Qg7 28.Qg7 (28.Qg3 Qf7+–) 28...Kg7 29.Rd1 Bd6 (29...Rd1 30.Bd1 h4 31.g3+–) 30.Be2 (30.Be2 h4 31.f4+–) 1–0. Waibel,Ulrich – Krolla,Hans_Peter, casual, 1996.

6.e3 Bd6 7.d4 Ne7 8.de5 fe5 9.Nf3 +=.

6.e3 Bf5 7.Nc3 (7.d4 Nd7=) 7...Bb4 (7...Ne7 8.d4=) 8.d4 Ne7 9.Qb3 (9.de5 fe5 10.Nf3 Nd7+=) 9...Bc3 (9...Qa5 10.Nf3 Nd7 11.a3=) 10.Bc3= Nd7 11.de5 fe5 (11...Ne5 12.Rc1=) 12.Nf3+= Rc8 13.Ne5 (better is 13.Be2!?=) 13...Ne5–/+ 14.Be5 Qa5 15.Ke2?? (15.Kd1 0–0 16.f3 Bc2 17.Qc2 Rc2 18.Kc2–+) 15...Rc2–+ 16.Kf3 (16.Qc2 Bc2 17.Bg7 Rg8–+ (17...Qb5 18.Kd2 Qb4 19.Bc3+/–)) 16...Qd2 17.Bg3 0–0 18.Kf4 (18.Qc2 Bc2 19.Kg4–+) 18...h6 19.Ke5 (19.Qd3 Ng6 20.Kf3 Bh3 21.Qf5 Rf5 22.Bf4 Qf2) 19...Ng6 (19...Ng6 20.Kd6 Rf6) 0–1. Herrmann – Kleinke,Uwe, corr DDR–ch I730, 1979.

6.e3 Nh6 7.d4 Bb4 8.Nd2 =.

6.e4 d4 7.Bc4= Nh6 8.f4 (8.Qh5 g6 9.Qf3 Bg4+=) 8...Nd7 9.Nf3 Bd6 10.fe5 fe5 11.0–0 Qe7 12.a4 Nb6 13.Na3 Bg4 14.Qb3 0–0–0 (14...Bb4!?=) 15.a5 Nd7 16.b6 a6 17.Ba6?? (better is 17.Rac1 Kb8 18.h3+/–) 17...ba6–/+ 18.Nb5? (better is 18.Rac1 Kb7 19.Qd5 Kb8 20.Nc4–/+) 18...ab5–+ 19.Qb5 Nc5 (19...Nf6 20.d3 Qd7 21.Qb3–+) 20.a6 Kb8 (20...Rdf8 21.b7 Kc7 22.d3–+) 21.b7? (21.Qc6 Nb7 22.ab7 Qb7 23.Qa4–/+) 21...Ka7–+ 22.Nd4? (22.Qc6–+) 22...ed4 23.g3 (23.Rfc1 Qe5 (23...Ne4?! 24.Bd4 Bc5 25.Bc5 Nc5 26.Rc5–+) 24.g3 Ne4–+) 23...Bh3 (23...Qe4!? 24.Rfe1 Qd5 25.Ra4–+) 24.Rfe1 Ne6 25.Reb1 Bc5 (25...Bc5 26.Ba3 Rb8–+; 25...Rb8 26.Qc4 Be5 27.Ba3–+) 0–1. Labahn,Wolfgang – Illgner, DB–FS Endrunde, 1988.

6.e3 Be6

7.d4 Bb4 8.Bc3 Qe7 =.

7.d4 Nd7 =.

7.Nf3 Bb4 8.Nc3 +=.

7.Nf3 Nd7 8.Be2 Bb4 9.0–0 Ne7 10.d4 e4 11.Nfd2 Bd6 12.Bh5 (12.Ba3 Ba3 13.Na3 Rc8=) 12...g6 13.Be2 Qc7 14.h3 0–0 15.Nc3 Rac8 16.Rc1 Qb6 (16...Qa5 17.Qb3 f5 18.f3 ef3 19.Rf3=) 17.Qb3+= Bf7 18.Rc2 Bb8 (18...Qa5 19.Rfc1+=) 19.Ba3 Qc7 The mate threat is Qh2 20.f4 Nb6 21.Rfc1 (21.Bc5 Qd7 22.Qb4 Rc7+=) 21...Qd7+= 22.Nf1 Rfd8 23.Bc5 Nf5 24.Bb6 ab6 25.Bg4 Be6 26.Bf5 gf5 27.Kh2 Bf7 28.Qb2 Rc7 29.a3 Rdc8 30.Ng3 Rc4 31.Qb3 Kh8 32.Na4 Rc2 33.Rc2 Bc7 34.Qb4 h5 35.Qb1 Bg6 (35...h4 36.Ne2+/–) 36.Nc3 Kh7 37.Nce2 (37.Qe1 Qe6+/–) 37...Ra8 38.Qa2 Rc8 39.Nc3 Bf7 40.Rc1 Bd6 41.Nge2 Rc4 ½–½. Bendig,Frank – Kaschner,Guenter, corr ICCF WT–I–1229, 1991.

7.Nf3 Bd6

8.Qc2 Nd7+= 9.Be2 Ne7 10.0–0 0–0 11.d3 Rc8 12.Qd2 Qb6 13.a4 a5 14.Nc3 ½–½. Waibel,Ulrich – Becker,Zeevi, compuserve, 1996.

8.Nc3 Nd7 9.Be2 Nh6 (9...Rc8 10.0–0+=) 10.d4 Nb6 11.a4 (11.e4 de4 12.Ne4 Bb4 13.Bc3 Bc3 14.Nc3 Rc8=) 11...Rc8 (11...0–0 12.Ba3+=) 12.a5 Nc4 13.Bc4 Rc4 14.0–0 Bb4 (14...0–0 15.a6 e4 16.Nd2=) 15.Ne2 e4 (worse is 15...Ba5 16.de5 fe5 17.Ne5+/–) 16.Nd2 Rc8 17.Nf4 Bf7 (17...Bg4 18.f3 ef3 19.Nf3 Ba5 20.Nd5=) 18.b6 (18.a6 Qe7=) 18...0–0 (18...Bd2!? 19.ba7 Be3 20.fe3 Ra8=) 19.ba7+= Ra8 20.Nb3 (20.Ba3 Ba3 21.Ra3 Ra7+=) 20...Ra7 The pressure on the isolated pawn grows (20...Qd6 21.Qe2 Rfc8 22.Qb5 Ra7 23.Rfc1=) 21.Ba3+= Ba3 22.Ra3 Qd6 23.Qa1 (23.Ra1 Rfa8+=) 23...g5 (23...Ng4 24.Nc5=) 24.Ne2 Bh5 (24...Ng4 25.Ng3+=) 25.Nc3 (better is 25.Ng3 Bg4 26.Nc5+/–) 25...Rc8?? (better is 25...Ng4 26.g3 Be8+=) 26.Nb5+– Qb8 27.Na7 Qa7 (27...Ng4 28.g3 Qa7 29.Qb2+–) 28.Nc5 Be2 (28...b6 29.ab6 Qb6 30.Qa2+–) 29.Rb1 (29.Rb1 Ba6 30.Rb6+–) 1–0. Diener,Rudolf – Poschmann,Hans, corr ICCF, 1988.

8.d4 e4 9.Nfd2 Nd7 +=.

8.d4 e4 9.Nfd2 Ne7 =.

8.Be2 Ne7 9.Qb3 Nd7 10.0–0 Nc5 11.Qc2 0–0 12.Nc3 Rc8 13.d4 Bf5 Black plans e4 (13...Ne4 14.Qd3 Nc3 15.Bc3–+) 14.Qd2 (14.Qd1 Ne6=) 14...Ne4 15.Ne4 Be4 (15...de4 16.Nh4 Be6 17.Rad1+=) 16.Rac1 Bf3 (16...Ng6 17.Rc8 Qc8 18.de5 Ne5 19.Rc1=) 17.Bf3 e4 18.Be2 f5 19.f4 Ng6 20.Rc8 Qc8 21.Rc1 Qd8 22.Qe1 b6 23.g3 (23.Qg3 Qe7+=) 23...Qe7 24.a3 (24.Qf2 Qe6=) 24...h6 (24...Ba3!? 25.Ba3 Qa3+=) 25.Rc6 Ba3 (better is 25...Qf6!?=) 26.Ba3+– Qa3 27.Qc3 (better is 27.Rg6 Qe3 28.Qf2 Qc1 29.Kg2+–) 27...Qc3 28.Rc3 ½–½. Zimmer,Georg – Stummerer, corr SOK–90–66, 1990.

6.e4 de4–/+

7.Qa4 Bf5 –/+.

7.Bc4 Qb6 8.Qb3 (better is 8.Nc3+=) 8...Bc5?? (better is 8...Nh6 9.Nc3 Bf5+=) 9.Bg8+/– Bf2 10.Kf1 Bd7 (10...Bc5 11.Nc3 Bd7 12.a4+– (12.Ne4?! Bb5 13.Ne2 Kd8+–)) 11.Nc3 Bb5?? (better is 11...Kd8+/–) 12.Nb5+– Rg8 (12...Nd7+–) 13.Qg8 Kd7 (13...Ke7 14.Ba3 Bc5 15.Qg7 Kd8 16.Qg8 Ke7 17.Qh7 Kd8 18.Qg8 Ke7 19.Bc5 Qc5 20.Qg7 Kd8 21.Qf6 Kc8 22.Nd6 Kd7 23.Qd8 Kd8 24.Nb7 Ke7 25.Nc5+–) 14.Qg7 (14.Qd5 Kc8 15.Rc1 Nc6 16.Qg8 Qd8 17.Qe6 Qd7 18.Qd7 Kd7 19.Kf2 Nb4 20.Rc7 Ke6 21.Rb7 Nd3 22.Ke3 Rd8+–) 14...Kc6 (14...Kd8 15.Qg8 Ke7 16.Ba3 Bc5 17.Qh7 Kd8 18.Qg8 Ke7 19.Bc5 Qc5 20.Qg7 Kd8 21.Qf6 Kc8 22.Nd6 Kd7 23.Qd8 Kd8 24.Nb7 Ke7 25.Nc5+–) 15.Qf6 (15.a4 Qd8+–) 15...Kb5 16.Qf2 Nd7 (16...Qf2 17.Kf2 Nc6 18.Rb1+–) 17.a4 (better is 17.Qe2!? Ka4 18.Qe4 Qb4+–) 17...Kc6 18.Rc1 (18.Rc1 Kd6 19.Ba3 Ke6 20.Qh4+–) 1–0. Labahn,Wolfgang – Heinicke,Frank, corr SOK–88–28, 1989.

7.Bc4 Bc5 8.Nc3 (8.Qe2 Bd4 9.Bd4 Qd4 10.Nc3=) 8...Bf2!–+ 9.Kf1 (9.Kf2 Decoy theme: f2 9...Qd4 A double attack) 9...Ne7 (9...Bf5 10.Bg8 Bg1 11.Qb3=) 10.Qb3 (10.Ne4 Bd4 11.Qh5 Ng6–/+) 10...Bb6 11.Ne4 Bf5 (11...f5 12.Be5 fe4 13.Bg7 Rf8 14.Bf8–+) 12.d3 (12.Bf7 Kf8 13.Re1–/+) 12...Be4 (better is 12...Bg6!?–+) 13.de4 g6 (13...Qd2!? 14.Bf7 Kf8+=) 14.Rd1 Qc7 15.Bc1 (15.Bf7 Kf8 16.Ba3 Bc5+=) 15...h5 (15...Rf8 16.Bh6+=) 16.Bf7= Kf8 17.Ba3 (17.Ba3 Kg7 18.Bd6+=). Labahn,Wolfgang – Marks,Ian Alexander, corr SOK–88–28, 1989.

7.Bc4 Nd7 8.d4 –/+.

7.Qh5 g6 8.Qe2 Bf5 –/+.

4.c4 Bc5

5.e3 d5 6.Nf3 dc4 7.Bc4 cb5 8.Bb5 Bd7 9.Bd7 Qd7 (< 9...Kd7 10.d4 ed4 11.0–0+/–) 10.0–0 Nc6 11.Nc3 0–0–0 12.Ne4 Bb4 13.Bc3 Nge7 14.Rc1 a5? (14...Ba3 15.Rb1 f5 16.Ng3+=) 15.g3 (better is 15.Bb4 ab4 16.Qa4+–) 15...Nd5+= 16.Bb4 Ndb4 17.a3 Nd3 18.Rc3 b5?? (better is 18...Qd5 19.Qa4 f5=+) 19.Qc2+– Kb7?? (better is 19...Kc7+–) 20.Rd3! Qd3 (20...Qe7+–) 21.Nc5 Kb6 22.Nd3 e4 23.Qc5 Kc7 24.Qb5 ef3 25.Rc1 Rd6 26.Ne1 Rb8 27.Qa5 Kd7 28.Qf5 Ke7 29.Qf3 Ne5 30.Qe2 Ra8 31.d4 Nf7 32.Rc7 Kd8 33.Rf7 Ra3 34.Qb5 Raa6 35.Qb8 1–0. valpa – JerryReneau, playchess.de, 2003.

5.e3 d6 6.d4 ed4 7.ed4 Bb4 8.Bc3 Qa5 9.Qd2 Bf5?? (better is 9...Bc3 10.Nc3 Bf5+=) 10.Bb4+– Qa4 (10...Qc7 11.Qf4 Qe7 12.Ne2+–) 11.Bd6 Nd7 12.Nc3 Qa5 13.Nf3 cb5 14.Nb5 Qa4 (14...Qd2 15.Kd2 Kf7+–) 15.Nc7 Kf7 16.Na8 Nh6 17.Nc7 Ng4 18.c5 Be4 19.Bb5 Qa3 20.Bd7 Bf3 21.gf3 Qf3 22.Be6 Kg6 23.Rg1 Qe4 24.Kf1 f5 25.Bd5 Qd5 26.Nd5 h5 27.h3 Kf7 28.Qg5 Re8 29.Qh5 Ke6 (29...Kg8 30.Qe8 Kh7 31.hg4 g6 32.Rh1 Kg7 33.Be5) 30.Nf4 Kd7 31.Qf7 Kd8 (31...Re7 32.Qe7 Kc6 33.Qe8) 32.Qc7# 1–0. Markus,Roland – Krahl,Wolfgang, DESC, 1999.

5.e3 Ne7 6.d4 ed4?? (better is 6...Bb4 7.Nd2 d6=) 7.Qh5+– Ng6 8.Qc5 de3 9.Qd6 (9.Qe3 Kf7 10.c5 Re8–+) 9...ef2 10.Kf2 cb5 0–1. pcmvr (2225) – dennism (2195), net–chess.com, 2006.

4.c4 d5

5.bc6 bc6 6.cd5 cd5 7.e3 Bb7 8.Nc3 (8.d4 Nc6 9.Nf3=) 8...Ne7 9.d4 Ng6 (9...Nbc6 10.Rb1=) 10.de5+= Ne5 11.Nf3 Bb4 (better is 11...Nf3!? 12.Qf3 Nd7+=) 12.Ne5+– fe5 13.Qh5 Ke7? (better is 13...Kf8 14.Qe5 Qe7 15.Qf5 Qf7+–) 14.Qe5 (14.Qh4 Ke8 15.Qb4 Qe7 16.Qa4 Nd7+–) 14...Kd7 15.Bb5 Bc6 (15...Kc8 16.Qf5 Nd7 17.Rc1+–) 16.Qg7 Be7 (16...Kd6 17.0–0–0 Bc3 18.Qc3 Bb5 19.Rd5 Kd5 20.Rd1 Ke6 21.Qe5 Kf7 22.Qf5 Ke8 23.Rd8 Kd8 24.Qb5 Nd7 25.Bh8 Rc8 26.Kd2 Rc5+–) 17.Nd5 Bb5 (17...Rf8 18.Ba3 Qa5 19.Bb4 Qb4 20.Nb4 Bb5 21.Nd5+–) 18.Rd1 Qa5 (18...Qf8 19.Ne7 Ke8+–) 19.Bc3 Qa3 Plans Be2 20.Ne7 Ke6 21.Qf6 1–0. pcmvr (2775) – macedon (2065), net–chess.com, 2008.

5.bc6 bc6 6.cd5 cd5 7.e3 Nc6 8.Nc3+= Nge7 9.Ba3 =.

5.bc6 bc6 6.cd5 cd5 7.e3 Be7 8.Nc3 Be6 9.Bb5 Nd7 10.Nf3 Nh6 11.Rb1 0–0 12.Bc6 Nc5 13.Ba8 Nd3 14.Ke2 Ng4 15.Bd5 Bd5 16.Nd5 Qd5 17.Qb3 Qb3 18.ab3 Ndf2 (better is 18...e4!? 19.Bd4 a5+/–) 19.Rhc1 Ne4 (19...e4 20.Ne1 Nh1 21.Nc2+–) 20.Ra1 Ra8 21.Rc7 Bc5 22.d3 Bb6 23.Rc6 (23.de4?! Bc7 24.h3 Nh6=) 23...Nc5 24.Rb6! (24.Rb6 Nd3 25.h3+– (25.Kd3?! Rd8 26.Ke2 ab6+–)) 1–0. pcmvr (2860) – bolu (1750), net–chess.com, 2011.

5.bc6 bc6 6.e3 Bf5 7.Nc3 d4 8.ed4 ed4 9.Qe2 +=.

5.cd5 Qd5 6.Nc3 Qe6 (6...Qd8 7.Qb3= (7.e3 a6 8.Qa4 Be6 9.Nf3 Ne7 10.Rc1 Nd7 11.ba6 Nc5 12.Qd1; 7.Nf3 cb5 8.Nb5 Be6 9.Rc1 Nc6 10.e3 a6 11.Nc3 Nh6 12.Be2; 7.Qa4 cb5 8.Qb5 Nc6 9.Rc1 Nge7 10.Nf3 Be6 11.Na4 Qa5 12.e3) 7...cb5 8.Qb5 Nc6 9.Nf3 Be6 10.Qb7 Nge7 11.Rb1 Rb8 12.Qa6; 6...Qd6 7.Nf3 (7.e3 a6 8.a4 Be6 9.Nf3 Ne7 10.d4 Nd5 11.Be2 ab5 12.ab5) 7...Nh6 8.e3 a6 9.bc6 Nc6 10.Rc1 Be6 11.Be2 Be7 12.0–0; 6...Qc5 7.e3 (7.Nf3 Nh6 8.e3 Bf5 9.e4 Bd7 10.Be2 Bd6 11.a4 Nf7 12.Ba3; 7.Qb3 Qb4 8.e3 a6 9.Bc4 Nh6 10.bc6 Nc6 11.Nf3 Bf5 12.0–0) 7...Qb4 8.Qc2 a6 9.a3 Qg4 10.h3 Qg6 11.Qa4 Ne7 12.Nf3; 6...Qf7 7.e3 Bb4 8.Nf3 Ne7 9.Qa4 Bc3 10.Bc3 0–0 11.Bd3 Bf5 12.e4) 7.e3 (7.Nf3 Ne7 8.e4 a6 9.Qa4 Nd7 10.d4 Nb6 11.Qa5 Nc4 12.Bc4) 7...c5 (7...a6 8.bc6 (8.Qa4 Ne7 9.Nf3 Nd7 10.bc6 bc6 11.Bc4 Nd5 12.0–0) 8...Nc6 9.Rc1= (9.Nf3 e4 10.Nd4 Nd4 11.ed4 Bd7 12.d5) 9...Bb4 10.Na4 Nh6 11.Nb6 Rb8 12.Bc4; 7...Ne7 8.Nf3 Nd5 9.Bd3 a6 10.bc6 Nc6 11.Be4 Nc3 12.Bc3) 8.Qa4 (8.Qc2 Ne7 9.Nf3 Nd7 10.Be2 Nb6 11.0–0 Ned5 12.Nd5) 8...Bd7 (8...Nh6 9.b6 (9.Bc4 Qg4 10.Nge2 Be6 11.Be6 Qe6 12.Qe4) 9...Nd7 (9...Nc6 10.Nb5 Bd6 11.Bc4 Qd7 12.ba7) 10.ba7+= Nf7 11.Qb3 Qb3 12.ab3; 8...Qg4 9.Bc4 Ne7 10.g3 Be6 11.Be6 Qe6 12.Qe4) 9.Bc4 Qg4 (9...Qb6 10.Nf3 Ne7 11.Qb3 Bg4 12.Bf7) 10.Kf1 (10.h3 Qg6+= (10...Qg2?? 11.Bd5 Qg6 12.Bb7+–) 11.Bd5 Bc8 12.b6) 10...Ne7= (10...Be6 11.Be6 Qe6 12.Qe4) 11.h3 Qg6 12.Nge2 (12.Nf3+–) 12...Na6 13.a3 (13.Rd1 Nc7=) 13...Nc7+= 14.Qb3 b6 (14...Nc8 15.Nd5 Nd5 16.Bd5+=) 15.e4 0–0–0 (15...Nc8!?=) 16.a4+= f5 17.d3 (17.a5 Be6 18.Be6 Qe6+=) 17...f4 (17...Be6!?=) 18.a5+/– f3 19.gf3 Be6 (19...Qh5 20.Ng1+/–) 20.Be6 Ne6 21.ab6 ab6 22.Ra8 (22.Nd5!? Nd4 23.Ra8 Kd7 24.Ra7 Ke8 25.Nc7 Kd7 26.Bd4 cd4 27.Ne6 Ke8 28.Nd8 Kd8 29.Qc4+–) 22...Kd7+/– 23.Rd8 (23.Nd5 Ra8 24.Nb6 Kd8 25.Na8 Nd4 26.Bd4 ed4+–) 23...Kd8+= 24.Rg1 (24.Nd5 Nd4 25.Bd4 ed4+/– (25...cd4? 26.f4+–)) 24...Qh6 25.Rg3 Nd4 26.Nd4 ed4 27.Ne2 Qf6 28.Bc1 h6 29.Qa2 Nc8 (29...g6 30.Bf4 g5 31.Qa8 Nc8 32.Qd5 Bd6 33.Rg5+–) 30.f4 g6 31.e5 Qf5 32.Qd5 Bd6 0–1. Hingst,Thomas (2085) – Czyz,Marco (1970), remoteschach.de, 2010.

5.e3 a6 6.a4 ab5 7.cb5 cb5 8.ab5 Ra1 9.Ba1 Qa5 10.Bc3 Qb6 11.Qh5 g6 12.Qh4 Bd7 13.Nf3 Bb5–/+ 14.Bb5?? Qb5–+ 15.Na3 Qd7 16.Ne5=+ fe5 17.Be5 Bg7 18.Bg7?? Qg7–+ 19.Qa4 Nc6 20.0–0 Nge7 21.Rb1 0–0 22.Rb7 Rb8 23.Rb8 Nb8 24.Qe8 Qf8 25.Qb5 Nbc6 26.Nc2 Qb8 27.Qd3?? Qb1–+ 28.Qf1 Qc2 0–1. elsh1403 – termitodlak, internet, 2011.

5.e3 Bb4 6.a3 Ba5 7.cd5 cd5 8.Nf3 Ne7 9.Be2 =.

5.e3 cb5 6.cb5 Bb4 7.Qh5 g6 8.Qh4 Bd7?? 9.Qb4+– a5 10.Qd6 Ne7 11.Qf6 Rf8 12.Qe5 Rf5 13.Qh8 Rf8 14.Qh7 Bf5 15.Bg7 Rg8 16.Bf6 g5 17.Qg8! Ng8 18.Bd8 Kd8 19.Nf3 1–0. pcmvr (1700) – philippajames (1930), net–chess.com, 2006.

5.e3 d4 6.Qh5 g6 7.Qf3 c5 8.Ne2 Qb6 9.d3 Nc6 10.a4 Nb4 11.a5 Qd8–/+ 12.Kd2 de3 13.Qe3 Bh6 14.f4 Be6 15.Kc3 Ne7–+ 16.Qc5? Rc8 17.Qc8 Ned5! (17...Ned5 18.Kb3 Qc8–+ (< 18...Bc8 19.Ng3–+); 17...Qc8?! 18.Kb4 Nd5 19.Kb3 Nf4 20.Nf4 Bf4 21.Nc3–+; 17...Bc8?! 18.Kb4 Qd3 19.Nd4–+) 0–1. Whitehead – Olle, corr CCLA, 1970.

5.e3 Bd6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bd6 5.c4 c6).

5.e3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.c4 c6).

5.e3 Bf5 6.Nf3 a6 7.bc6 Nc6 8.d4 dc4 9.Bc4 =.

5.cd5 cd5

6.d4 Nd7 7.e3 Bd6 8.Nc3 Nb6 9.Rc1 =.

6.d4 e4= 7.Qb3 f5 8.Nd2 Nf6 9.Rc1 =.

6.e3 Bd6 7.Nc3 Be6 8.Qh5 g6 9.Qf3 e4 10.Qd1 Ne7 11.Nge2 Nd7 12.Nd4.

6.e3 Nh6 7.d4 (7.Nf3 Be6 8.Nc3 Nd7 9.Be2 Bd6 10.d4 e4 11.Nd2 0–0 12.Qb3; 7.Nc3 Be6 8.Nf3 Nd7 9.d4 e4 10.Nd2 Bd6 11.Qb3 Kf7 12.Be2) 7...Bb4 8.Bc3 Qd6 9.Qb3 Bc3 10.Nc3 Be6 11.de5 fe5 12.Rd1.

6.Nf3 A) 6...Be6 7.Nc3 (7.g3 Bd6 8.Nc3 Nd7 9.h4 Nb6 10.Rc1 Rc8 11.d3 Qd7 12.Bg2; 7.h4 Nd7 8.Nc3 Rc8 9.e3 Bd6 10.Bd3 Nh6 11.Qb1 Kf7 12.Bc2; 7.e3 Bd6 8.Nc3 Nd7 9.Rc1 Ne7 10.Bd3 0–0 11.0–0 Nb6 12.Be2) 7...Nd7 8.Rc1 Nh6 9.e4 d4 10.Nd5 Nc5 11.Qc2 Rc8 12.Bc4; B) 6...Kf7 7.e4 (7.g3 Ne7 8.Nc3 Be6 9.Bg2 Nd7 10.0–0 Rc8 11.Rc1 Nf5 12.Bh3; 7.Nc3 Be6 8.e3 Nd7 9.Be2 Bd6 10.0–0 Nb6 11.Rc1 Ne7 12.d4) 7...Nd7 8.Nc3 Nb6 9.Rc1 d4 10.Na4 Be6 11.Bd3 Bd6 12.0–0; C) 6...Ne7 7.e3 (7.Nc3 Be6 8.e3 Nd7 9.Be2 Nb6 10.Rc1 Nf5 11.Qb3 Kf7 12.d4) 7...Be6 8.Nc3 Nd7 9.Be2 Kf7 10.0–0 Rc8 11.d4 e4 12.Nd2; D) 6...Nh6 7.g3 (7.Nc3 Be6 8.Rc1 Nd7 9.e4 d4 10.Nd5 Nc5 11.Qc2 Rc8 12.Bc4; 7.e3 Be6 8.Nc3 Nd7 9.d4 e4 10.Nd2 Bd6 11.Qb3 Kf7 12.Be2; 7.d4 e4 8.Nfd2 Kf7 9.Nc3 Be6 10.e3 Nd7 11.Rc1 Qa5 12.Nb3) 7...Nd7 8.Bg2 Nb6 9.Na3 Bd6 10.0–0 0–0 11.Qb3 Be6 12.Rac1.

6.e3 Be6

7.Nc3 Nd7 8.Nf3 Bd6 9.Be2 Ne7 10.0–0 0–0 11.Rc1 Rc8 12.d4.

7.Be2 Bd6 8.d4 e4 =.

7.Be2 Bd6 8.Nf3 Ne7 9.Nc3 Nd7 10.d4 e4 11.Nd2 0–0 12.Qb3.

7.Be2 Bd6 8.Bh5 g6+= 9.Bf3 (9.Be2 Nd7+=) 9...Ne7 10.Qb3 (10.Ne2 e4 11.Nd4 Bd7=) 10...Kf7 (10...Nd7 11.d4+=) 11.d4 e4 (11...Nd7 12.Nd2+=) 12.Bd1 Nd7 13.Ne2 f5 (13...Rc8 14.Nbc3+=) 14.a4 (14.Ba3 Ba3 15.Na3 Qa5 16.Nc3 Rhc8=) 14...Nf6 (14...Rc8 15.Ba3 Nb6 16.Bd6 Qd6 17.Nbc3=) 15.Nbc3 h5 (15...Kg7 16.Ba3=) 16.Ba3+= h4 17.Bd6 Qd6 18.Nf4 (18.h3 Rhc8+=) 18...Rac8 (18...g5 19.Ne6 Qe6 20.0–0+=) 19.f3 (19.Rc1 g5 20.Ne6 Qe6+=) 19...Rc7 (19...ef3 20.Bf3 g5 21.Nd3=) 20.0–0 Rhc8 21.Nce2 (21.Rc1 ef3 22.Bf3 Ne4 23.Be4 de4+=) 21...g5 (21...ef3 22.Rf3 Ne4 23.Ra2=) 22.fe4 (22.Nh3 Nh7=) 22...fe4 (22...Ne4!? 23.Ne6 Qe6+=) 23.Nh5= Neg8 24.Qb2 (24.Nf6 Nf6 25.a5 Ke7=) 24...Bg4 (24...Ke7 25.b6 ab6 26.Nc1+=) 25.Nf6 Nf6 26.Bb3 Kg6 (26...Ke8 27.Rac1=) 27.Rf2 Bh5 28.h3 Be2 29.Qe2 Nh5 (29...Rc3 30.Qa2 Rc1 (worse is 30...Re3 31.Raf1+=) 31.Rf1 Rf1 32.Rf1 Rc3+=) 30.Qa2 Ng3 31.Rd1 (31.Bd5 Rc1 32.Rf1 Nf1 (32...Rf1?! 33.Rf1 Nf1 34.Be4 Kg7 35.Kf1=) 33.Be4 Kg7–+) 31...Rc1 32.Rfd2 (32.Qd2!? R1c3 33.Ba2=) 32...Qf8+= The mate threat is Qf1 33.Rf2 Rd1 34.Bd1 Rc1 Threatening mate: Rxd1 35.Qb3?? (35.Qd2 Qa3 36.Re2 Ne2 37.Qe2–+) 35...Qb4!! (35...Qb4 36.Qd3 ed3–+) 0–1. Diener,Rudolf – Butze, corr, 1982.

7.Nf3 Bd6 8.Nc3 Nd7 9.Bd3 Ne7 10.0–0 0–0 11.Qb1 e4 12.Nd4.

7.g3 Nd7 8.Bh3 Bh3 9.Nh3 Nb6 10.Nc3 Nc4 11.Rb1 Qd7 12.Ng1.

7.Nh3 Nd7 8.Nc3 Nh6 9.Be2 Bd6 10.Bh5 g6 11.Bf3 e4 12.Be2.

4.bc6 dc6

5.d4 Bb4 6.Bc3? (better is 6.c3 Be7 7.e3=) 6...ed4?? (better is 6...Bc3 7.Nc3 ed4–/+) 7.Bb4+– c5 8.c3?? (better is 8.Bd2+–) 8...cb4= 9.cb4 (9.cd4 Bg4=) 9...Ne7 (9...Nc6 10.Qd2+=) 10.g3 (10.b5 Qa5 11.Qd2 Qb5+=) 10...0–0 (10...Nbc6 11.a3+=) 11.Bg2 (11.Nf3 Nbc6+=) 11...Nbc6 (11...Qb6+=) 12.b5 (12.Nd2 Be6 13.b5 Ne5+=) 12...Ne5 (12...Qa5!? 13.Nd2 Qb5 14.Qb3 Qb3 15.Nb3 Bf5–/+) 13.Qb3 (13.Nf3 Nf5+=) 13...Kh8 (13...Rf7 14.Nf3+=) 14.Nd2 Rb8 (14...Qb6 15.Ngf3+=) 15.Nh3 (15.Ngf3 Nf3 16.Bf3 Qa5=) 15...Qb6 (15...Bd7 16.Nf4+=) 16.0–0 (16.Nf4 Qa5+=) 16...Be6+= 17.Qb2 Bd5 (17...Nd5 18.Bd5 Bd5 19.Nf4+=) 18.Nf4 Bg2 19.Kg2 Rbd8 20.a4 (better is 20.Qb3 Rfe8 21.Rac1=) 20...a6 (better is 20...Nd5!? 21.a5 Qd6 22.Nd5 Qd5 23.Kg1 Rfe8=) 21.a5+/– Qb5 22.Qb5 ab5 23.Ne6 Ng4? (better is 23...Kg8+/–) 24.Nf8+– Rf8 25.h3 (25.Rfb1 Nc6 26.Rb5 Re8+–) 25...Ne5 26.f4?? (26.Rfb1 N7c6 27.Rb5 Rb8+–) 26...Nc4? (better is 26...N5c6+/–) 27.Nc4+– bc4 28.Rfb1 Rb8? (28...c3+–) 29.a6 b6 (29...Nc6 30.ab7 Kg8+–) 30.a7 Ra8 31.Rb6 h6 (31...Ng8 32.Rb8 Ra7 33.Ra7 h5+–) 32.Rb8 Rb8 33.ab8Q Kh7 34.Qf8 Ng6 35.Qf7 c3 36.Ra7 Ne5 37.Qg7 1–0. Verns – orodisilaer, chesshere.com, 2007.

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

5.e4 Bc5 6.Bc3 =.

5.e4 h5 6.Bc4 b5 7.Bg8 Rg8 8.Qh5 g6 9.Qe2 Ba6 10.Qd1 b4 11.Ne2 Be2 (11...Rh8!?=) 12.Qe2+/– a5 13.c3 Qb6 14.Qc4 Rg7 15.0–0 c5 16.cb4 ab4 17.a3 Nc6 (better is 17...Qa6!? 18.Qc1 b3+/–) 18.Qe6 Be7 19.ab4 Ra1 20.Ba1 cb4 (20...Qb7 21.b5 Qb5+–) 21.Qc8 (better is 21.Rc1 Qb7 22.Rc6+–) 21...Nd8 22.d3 Qc6 23.Qc6 (better is 23.Qh3!?+/–) 23...Nc6= 24.Nd2 Na5 (24...Bc5 25.Nb3 Ba7 26.Rd1=) 25.Nf3 (25.Rc1 Bd8+=) 25...Nb3 26.Rb1 Nc5 27.d4 ed4 28.Nd4 (28.Rb4!? Ne4 29.Rd4+=) 28...Ne4= 29.Ne6 Rh7 30.Nc7 (30.Re1 f5+=) 30...Kd7 (30...Kf7 31.Re1 Rh5 32.Re4–/+) 31.Nd5+= Nd2?? (better is 31...Bd6 32.h3 Ke6 33.Nb4 Rb7+=) 32.Rd1+– (32.Rb4?! Bb4 33.Nf6 Ke6 34.Nh7 Be7+/–) 32...Nb3? (32...Nf3 33.gf3 Ke6+–) 33.Nf6 Ke6 34.Nh7 Na1 35.Ra1 Bc5 (35...Kd5+–) 36.Nf8 (36.Ng5 Kd5+–) 36...Kf7?? (better is 36...Bf8 37.Ra6 Bd6+–) 37.Nd7 Be7 (37...Bd6 38.Ra6 Ke6 39.Nf8 Kd5 40.Ng6+–) 38.Ra7 (38.Ne5 Ke6 39.Nc6 Bc5+–) 38...Ke8 (38...Ke6 39.Rb7 Kd5 40.Nb6 Ke6 41.f4+–) 39.Ne5 Bc5 40.Ng6 (better is 40.Rb7 g5 41.Nd3+–) 40...Ba7+/– 41.Nf4 b3 42.Nd3 Kd7 (42...Bd4!?+/–) 43.Kf1 Kd6 44.Ke1 Kd5 45.Kd2 Kc4 (45...Bd4 46.h4+–) 46.Nb2 (better is 46.g4!? Bd4+–) 46...Kd4 47.h4 Bc5 48.h5 (better is 48.Nd3!? Bf8+–) 48...Bb4 49.Kc1 Kc3? (49...Bf8+–) 50.Kb1 (50.Nd1 Kd4 51.Kb2 Bf8+–) 50...Ba3 51.h6 Bb2?? (51...Bf8 52.h7 Bg7+–) 52.h7 Bc1 (52...Ba3 53.h8Q Kc4 54.Qg8 Kd4 55.Qg4 Kd5 56.Qf5 Kd4 57.Qd7 Kc4 58.Qe6 Kd4 59.Qe3 Kc4 60.Qe4 Kc3 61.Qc6 Kd2 62.Qa4+–) 53.g3 (better is 53.Kc1 Kd4+–) 53...Kd2 (53...Bd2 54.h8Q Kd3 55.Qb2+–) 54.h8Q b2 55.g4 Ke2 (55...Kd3 56.Qh7 Ke2 57.Qf5+–) 56.Qh2 (56.g5 Bg5 57.Qe5 Kf1 58.Qg5 Kf2+–) 56...Kf3 (56...Bd2 57.g5! Bc3 58.Qh7+–) 57.Qg3 (57.g5!? Bg5 58.Qg3 Ke2 59.Qg5 Kf2+–) 57...Ke2 (57...Ke4 58.f3 Kd3 59.g5+–) 58.f4 (58.f4 Be3 59.g5+–) 1–0. pinecrest1981 – StillBill, Live Game Caissa's Web, 2004.

4.bc6 Nc6

5.e3 d5 6.Nc3 Bf5 =+.

5.e3 d5 6.Nf3 Bd6 7.Bb5 =+.

5.e3 d5+= 6.Nf3 Bg4 7.h3 Bh5 8.Be2 Bg6 9.0–0 Nh6 10.d4 Nb4 (10...Qb6 11.Bc3 e4 12.Nfd2+=) 11.Bb5+= Kf7 12.Ba4 e4 13.Nfd2 Rc8 14.a3 Nc6 15.c4 dc4 16.Nc4 Kg8 17.Bb3 Bf7 18.Ncd2 f5 19.f3 ef3 20.Rf3 Ne7 (20...Qb6 21.Bf7 Nf7 22.Ra2+=) 21.e4 g6 22.ef5 Nef5 23.Rd3 Bg7 The pressure on the isolated pawn grows 24.Nf3 Kf8 (24...Bf6 25.Ne5+=) 25.Nbd2+/– Qb6 26.a4 a5 (26...Kg8 27.Rc1 Rc1 28.Qc1+/–) 27.Rb1 Qa6 (27...Kg8 28.Bc3 Qa7 29.Bf7 Nf7 30.Qb3+/–) 28.Ne4+– Bb3 (28...Kg8 29.Ne5 Re8 30.Nf7 Nf7 31.Bf7 Kf7 32.Qb3 Ke7 33.Rc1+–) 29.Ba3 Ke8 30.Rdb3 Qe6 (30...Qc4+–) 31.Neg5 Qd5 32.Qe2 (32.Qe2 Kd7 33.Rb7 Rc7 34.Rc7 Kc7 35.Rb5 Bd4 36.Kh2 Be5 37.Ne5 Rf8 38.Qc2 Qc4 39.Qc4 Kd8 40.Rb8) 1–0. Novikov,Konstantin – Kosatukhin,Andrei, Tula Club–ch op, 2000.

5.e3 d5 6.Nf3 g5 7.Bb5 (7.c4 Nge7=) 7...g4 (7...a6 8.Be2=) 8.Nh4 a6 9.Bd3 Nb4 (9...Qb6 10.Ba3 Ba3 11.Na3–/+) 10.Be2= Qa5 (10...Nh6 11.0–0=) 11.0–0 (11.a3 Nc6+=) 11...Bh6 (better is 11...Qa4!? 12.Na3 b5=) 12.a3 Nc6 13.Bg4 Bg4 14.Qg4 d4? (better is 14...Qb5 15.Qe6 Kd8+/–) 15.Qe6+– Nge7? (15...Kd8 16.Nf5 Bf8 17.ed4 Qb5+–) 16.Qf6 Kd7 (16...Rg8 17.Qh6 Qb5 18.Bc1+–) 17.Qh6 (17.Qh6 Qb5 18.Ra2+–) 1–0. Wall,Bill – Musak, internet, 2003.

5.e4 Qb6 6.Bc3 Bc5 7.Qh5 Kd8 =.

5.e4 Qb6 6.Bc3 Bc5 7.Qh5 g6 +=.

4.e3 a6

5.ba6 ba6 6.c4 c5? (6...d5 7.d4=) 7.Nf3 (better is 7.Be5!? Bb7 8.Bf4+/–) 7...Nc6 8.Be2 (8.Nc3 Rb8 9.Rb1 Nge7=) 8...d5 (8...Rb8 9.Qc2+=) 9.cd5+= Qd5 10.Nc3 Qe6 11.0–0 (11.Qa4 Bd7 12.Nb5 Kd8+=) 11...Bd6 (11...Rb8 12.Rb1=) 12.Ne4+= Rb8 (12...Be7 13.Qa4+=) 13.Nd6 (13.Bc4 Qd7 14.Ba3+/– (14.Nd6?! Qd6 15.Bc3 Nge7+=)) 13...Qd6= 14.d4?? (better is 14.Ba3=) 14...Rb2–+ 15.dc5 (15.Nd2 Qe6 16.dc5 Qd7–+ (worse is 16...Ra2 17.Ra2 Qa2 18.Bc4–/+)) 15...Qc5 16.Rc1 Qb6 17.Nd2 Nge7?? (better is 17...Be6–+) 18.Nc4+= Qb4 (18...Qb8 19.Bh5 g6 20.Bf3+=) 19.Nb2 (19.Nd6 Kf8 20.Nc8 Rd2 (20...Ra2? 21.Ne7 Ke7 22.Rc6+–) 21.Ne7 Rd1 22.Rfd1 Ke7 23.Rc6 Ra8+=) 19...Qb2+= 20.Qb3?? (better is 20.Bh5 g6 21.Bf3+=) 20...Qe2–+ 21.Qa4 (21.Rc5 Bf5–+) 21...Bd7 (21...Qb5 22.Qa3–+) 22.Rfe1 (22.Rfd1 h6–+) 22...Qb5 (22...Qb5 23.Qa3 Be6–+) 0–1. gtate (1815) – gfry (1785), net–chess.com, 2002.

5.ba6 Na6 6.d4 =.

5.c4 d5 6.a4 Bb4 7.Qh5 g6 8.Qh4 Be7 9.cd5 cd5 10.a5 f5 11.Qa4+/– Bf6 12.Nf3 e4 13.Bf6 Qf6 14.Nd4 Bd7 15.Nc3 Ne7 16.Be2 0–0 17.0–0 ab5 18.Ndb5 Nbc6 19.Nc7 Ra5 20.Qb3 Qe5 21.Qb7? Ra7?? 22.Qb3?? Ra1 23.Ra1 Qc7 24.Nd5 Nd5 25.Qd5 Kg7 26.Rc1 Rf6 27.Bb5 Rd6 28.Qe5? Ne5 29.Rc7 Kf6 30.Ba6 Rd2 31.Kf1 Be6 32.Rh7 Nd3 33.Bd3 Rd3 34.Rc7 Bb3 35.Ke2 Bd1 36.Ke1 Bg4 37.h3 Rd1 0–1. elsh1403 – hugr (1800), internet, 2011.

5.Qh5 g6 6.Qh4 ab5 7.f4 Bd6 8.Nf3 Qc7 9.Bd3+= Kf7 10.fe5+– Be5 11.Ne5 fe5 12.0–0 Kg7 13.Nc3 d6= 14.Ne4 Bf5? 15.Rf2 d5?? 16.Ng5 Ne7?? 17.Raf1 Qd7?? 18.Be5+– (18.Be5 Kf8 19.Bh8+–) 1–0. elsh1403 – hugr (1820), internet, 2011.

4.e3 cb5

5.Bb5 a6 6.Ba4 b5 (6...Nc6 7.Nf3=) 7.Bb3 Bb7 8.Nf3 d5 9.0–0 Nh6 (9...Bd6 10.a4=) 10.d4 e4 11.Nfd2 Bd6 (11...Qc7 12.Nc3 Qd6 13.Qh5 g6 14.Qd1=) 12.Nc3 (12.Qh5 Kf8 13.Nc3+/–) 12...Nd7? (better is 12...g6=) 13.Bd5 (13.Nd5 f5 14.Qh5 Kf8+–) 13...Bd5 14.Nd5 (14.Nce4 Be7–/+) 14...Nb6 (better is 14...f5 15.Qh5 Kf8+–) 15.Ne4?? (better is 15.Nb6 Qb6 16.Qh5 Nf7 17.Ne4+–) 15...Bh2?? (better is 15...Nd5 16.c4 bc4 17.Qa4 Kf7 18.Qc4 Kg6–/+) 16.Kh2+/– Qd5 17.Nc5 0–0 (17...Nc4 18.Rb1+=) 18.a4 ½–½. gtate (2055) – pwillows (2020), net–chess.com, 2006.

5.Bb5 a6 6.Bd3 Qe7 (6...Nh6 7.c4=) 7.Qh5 g6 (better is 7...Qf7!? 8.Qf7 Kf7 9.Bc4 Ke8+=) 8.Bg6!+– hg6 (8...Kd8 9.Nc3+–) 9.Qh8 (9.Qh8 Qf7 10.Ba3+–) 1–0. Wall,Bill – Odoherty, Microsoft Gaming Zone, 1999.

5.Bb5 Nc6?? 6.Qh5 g6 7.Qh4 Qe7 8.f4?? (8.Nc3 a6 9.Bc4 Qb4=) 8...ef4?? (better is 8...Qb4 9.Ba3 Qb5–+) 9.Qf4= Bg7 10.Ba3 Qe5 11.Nc3 Qf4 12.ef4 Nge7 13.Bc4 Nd4 14.0–0–0 f5 15.Nge2 Ne2 16.Ne2 d5 17.Bb5 Bd7 18.c4 (18.Rhe1!? Bb5 19.Nc3 Bc3 20.Re7 Kd8 21.dc3+=) 18...dc4+= 19.Bc4?? (better is 19.Nc3 Bb5 20.Nb5–/+) 19...Rc8–+ 20.Kb1 Rc4 21.Nc3 Kf7 (21...Rf4?! 22.Rhe1 Re4 23.Ne4 fe4 24.d3–+) 22.Rhe1 Re8 23.Re3 Bc3 24.dc3 Rf4 (24...Bc6 25.Rd4 Rd4 26.cd4 Bg2 27.Be7 Re7 28.Re7 Ke7 29.Kc2–+) 25.Rde1?? (better is 25.Rd7 Re4 26.Re4 fe4 27.Rb7=) 25...Nd5–+ 26.Re8 Be8 27.c4 Nc3 (better is 27...Rc4!? 28.Rc1 Rc1 29.Kc1–+) 28.Kc2 Ne4 29.g3 (29.Re2–+) 29...Rf2 30.Kb3 Rh2 31.Rd1 Bc6 32.Rd8 Rh3 33.Ra8 a6 34.Rh8 h5 35.Rh7 Kf6 36.Be7 Ke6 37.Bd8 Rg3 38.Kb4 Rg4 39.Re7 Kd6 40.Rg7 h4 41.Bc7 Ke6 42.Bd8 h3 43.Re7 Kd6 44.Rh7 Nf2 45.Bc7 Ke6 46.Bb8 Rg5 (46...Bd5 47.Ba7 Rc4 48.Ka5–+) 47.Bc7 Rh5 48.Rg7 Kf6 49.Rd7 h2 (49...h2 50.Bh2 Bd7–+) 0–1. elsh1403 – vejtaha, internet, 2011.

4.e3 Bc5

5.c4 d6 6.Nc3 Bd7 7.a4 Ne7 8.Nf3 0–0 9.Qb3 Be6 10.Ne4 (10.d4 ed4 11.ed4 Bb6=) 10...Nd7 (10...Bb6!?=) 11.d4+= ed4 12.ed4 Bb6 13.Nd6 Qc7 14.Ne4 Nf5 15.Bd3 Rfe8 16.d5?? (16.0–0 Rad8+–) 16...Bf7?? (better is 16...cd5 17.cd5 Nc5–+) 17.0–0+/– Bh5?? (17...cd5 18.cd5 Nd6 19.Rac1+/–) 18.Bc2 (better is 18.c5 Nc5 19.Nc5 Bc5 20.d6 Bf7 A) 21.Bf5?! Bd6 (21...Bb3?? 22.dc7 Bd6 23.bc6 bc6 24.Bd7+–) 22.Qc2 h6+–; B) 21.dc7 Bb3 22.Bf5+–) 18...Bf3 19.Qf3 (19.gf3?! Nd4 20.Bd4 Bd4+=) 19...Bd4 20.Qb3 (20.Nc3 Ne3 21.fe3 Re3+–) 20...c5? (20...cd5 21.cd5 Qf4 22.Rae1+/–) 21.Rab1 (21.Nf6 Nf6 22.Bf5 Bb2 23.Qb2 Qf4 24.Be6 Kh8+–) 21...Ne5? (21...Bb2 22.Qb2 (22.Rb2?! Nd4 23.d6 Qd8=) 22...Nd4 23.Rfe1+/–) 22.Nc5 Ng4 (22...Qc5 23.Bf5 Discovered attack; 22...Bc5 23.Bf5 Discovered attack) 23.g3 (23.Qh3 Nf2 24.Rf2 Bf2 25.Kh1=) 23...Ngh6?? (better is 23...Bf2 24.Kh1 Re3 25.Bf5 Rb3 26.Be6 Kh8 27.Nb3 Qc4–/+) 24.Ne6+– Qe5 (24...Re6 25.de6 Bb2 26.Rb2+–) 25.Rfe1 Qd6 (25...Re6 26.de6 Qc5 27.Qf3 Bb2 28.Qb7+–) 26.Nd4 Rf8 (26...Nd4 27.Bd4 b6+–) 27.Nf5 Nf5 28.Bf5 Kh8 (28...Rfe8 29.Qc2+–) 29.Ba3 Qb6 30.Bf8 Rf8 31.Re6 (31.Qe3 Qc7 32.Qe7 Qe7 33.Re7 g6+–) 31...Qc7 32.Rbe1 Qf7 33.Qe3 g6 34.Re7 1–0. madik – yvopt, gameknot.com, 2009.

5.d4 Bb4 6.c3 Bd6 +=.

5.d4+= ed4?? 6.Qh5+– g6 7.Qc5 Ne7 (7...de3 8.Qe3 (worse is 8.fe3 d5+–) 8...Kf7 9.Nf3+–) 8.Qd4 (worse is 8.ed4 d6 9.Qc4 a6 10.bc6 Nbc6+–) 8...Rf8 (8...0–0 9.Bd3+–) 9.c4 (9.Qh4 d6+–) 9...cb5 (9...d5 10.cd5 Qd5 11.Nd2+–) 10.cb5 d5 (10...d6 11.Nf3+–) 11.Nc3 Be6 (11...Qa5 12.Nf3+–) 12.Nge2 Kf7 (12...Qd7 13.Nf4+–) 13.Nf4 (13.Ne4 Ng8 14.Nc5 Bc8+–) 13...Qb6 (13...Nf5 14.Qd2+–) 14.Ne6 (14.Qb6 ab6 15.Rd1 g5 16.Ne6 Ke6 17.Nd5 Nd5+–) 14...Qe6 15.Nd5! Nd5 Theme: Interference (15...Qd5 16.Qd5) 16.Bc4 Rd8 17.Rd1 Rd6 (17...Qe7 18.Bd5 Ke8 19.Qf6 Qf6 20.Bf6+–) 18.Ba3 (18.Ba3 Rd7 19.Bd5 Rd5 20.Qd5 Qd5 21.Rd5+–; 18.Bd5 Rd5 19.Qd5 Qd5 20.Rd5 a6+–) 1–0. Woelfelschneider,Peter (1700) – Lauterbach,Uwe (1700), T4–03.09, 2002.

5.Nf3 a6 6.c4 (6.d4 ed4 7.ed4 Bb6+=) 6...ab5 7.cb5 Ne7 (7...Be7 8.d4 e4 9.Nh4=) 8.bc6 (8.d4 ed4 9.Bd4 Bd4 10.Nd4 d5=) 8...bc6 (8...Nbc6 9.d4 Bb4 10.Bc3=) 9.Bc4 (9.d4!? ed4 10.Bd4 Bd4 11.Nd4=) 9...d5+= 10.Bb3 (10.Be2 Qb6 11.Qc2 Bf5+=) 10...Ba6 (10...e4 11.Nd4+=) 11.Nc3 (11.d4 ed4 12.Nd4 Qd6=) 11...Bb4 (11...e4 12.Nd4 Bd4 13.ed4+=) 12.a3= Ba5 (12...Bd6 13.e4=) 13.d3 (13.d4 ed4 14.Qd4 Nf5=) 13...d4 (13...Qb6!? 14.Ke2 0–0+=) 14.ed4+= ed4 15.0–0?? (better is 15.Nd4 Qd4 16.Qh5 Ng6 17.Qa5+=) 15...dc3–+ 16.Bc3 (16.Bc1 Bd3 17.Re1–+) 16...Bc3 17.Rc1 Bb2 18.Rc2 Ba3 19.Ra2 Bb4 20.Re1 (20.Bc4 Qd6–+) 20...Be1 (20...Be1 21.Ne1 Qd6–+) 0–1. gtate (1960) – hermanogris (2025), net–chess.com, 2006.

5.Nf3 d5 6.d4 ed4 7.Nd4 =.

5.Nf3 Ne7 6.Bc4 cb5 7.Bb5 (7.Bb3 A) 7...d5 8.Qe2 (8.0–0 Nbc6 9.Qe2 e4 10.Qb5 Qb6 11.Qb6 Bb6 12.Nd4 Kf7 13.Nb5) 8...a6 9.Nc3 Nbc6 10.0–0 0–0 11.d4 ed4 12.Ne4 Bb6 13.ed4; B) 7...Nbc6 8.Qe2 (8.d4 ed4 9.ed4 Bb6 10.d5 Na5 11.d6 Nb3 12.ab3 Ng6 13.0–0; 8.0–0 d5 9.Nc3 b4 10.Na4 Bd6 11.d4 b5 12.Nc5 Qb6 13.c3) 8...d5 9.Qb5 Bb4 10.Nc3 a6 11.Qe2 Na5 12.0–0 0–0 13.e4; 7.Be2 A) 7...0–0 8.Nc3 (8.0–0 Nbc6 9.Nc3 d5 10.d4 ed4 11.ed4 Bb6 12.Nb5 a6 13.Nc3; 8.d4 ed4 9.ed4 Bb6 10.Bb5 Nbc6 11.0–0 d5 12.Re1 a6 13.Be2) 8...Nbc6 9.Ne4 Qb6 10.0–0 d5 11.Nc5 Qc5 12.d4 Qb4 13.Rb1; B) 7...b4 8.0–0 (8.d4 ed4 9.ed4 Bb6 10.d5 Ng6 11.0–0 0–0 12.Nd4 Re8 13.Nd2) 8...0–0 9.d4 ed4 10.ed4 Bb6 11.d5 d6 12.a3 Na6 13.Re1; C) 7...d5 8.d4 ed4 9.Bd4 Bd4 10.Nd4 0–0 11.Bb5 Nbc6 12.0–0 Nd4 13.Qd4; D) 7...Nbc6 8.Nc3 (8.0–0 0–0 9.Nc3 d5 10.d4 Bb6 11.de5 fe5 12.Bb5 Bg4 13.Be2; 8.d4 ed4 9.ed4 Qa5 10.Nbd2 Ba3 11.Ba3 Qa3 12.Bb5 0–0 13.0–0) 8...0–0 9.0–0 d5 10.d4 ed4 11.ed4 Bb6 12.Bb5 Bg4 13.h3) 7...0–0 (7...Qb6 8.Nc3 e4 9.Nd4 Bd4 10.ed4 a6 11.Qg4 0–0 12.Qe4 ab5 13.Qe7) 8.0–0 (8.Nc3 a6 9.Bd3 Nbc6 10.Ne4 Qa5 11.a3 d5 12.Bc3 Qb6 13.Rb1) 8...Nbc6 (8...d5 9.d4 ed4 (9...a6 10.Bd3 ed4 11.Bd4 Qd6 12.Nbd2 Nbc6 13.Bc5) 10.Nd4= (10.Bd4 Bd6 11.Nc3 Nbc6 12.e4 Qa5 13.ed5) 10...Nbc6 11.Nc3 a6 12.Bd3 Bd4 13.ed4; 8...a6 9.d4 ab5 10.dc5 Na6 11.Qd6 Nb4 12.Qd2 Na6 13.Qd6) 9.a3 (9.d4!? Bd6 (9...ed4 10.ed4 Bb6 11.d5 a6 12.Be2 Ne5 13.d6) 10.d5+= (10.Nc3 ed4 11.ed4 a6 12.Bc4 Kh8 13.Re1) 10...Nb4 11.Nc3 Qb6 12.Bc4 Na6 13.Nb5) 9...d5 (9...e4 10.d4 Bb6 11.Nfd2 a6 12.Bc6 bc6 13.Ne4) 10.c4 (10.d4!? should be considered 10...ed4 11.ed4= Bd6 12.Nc3 a6 13.Bd3) 10...d4–/+ (10...e4 11.d4 ef3 12.dc5 fg2 13.Kg2) 11.ed4 ed4 (11...Nd4 12.h3–/+ (12.Nd4 Bd4 13.Nc3) 12...a6 13.Ba4) 12.d3+= (12.Re1 a6 13.Ba4) 12...Bg4 (12...a6 13.Bc6) 13.Nbd2 a6 (13...Ne5 14.Ra2+=) 14.Ba4 (14.Bc6 Nc6 15.Ne4 Ba7=) 14...Rb8 (14...Ne5 15.Ra2+=) 15.Qc2 Bf3 16.Nf3 (16.gf3 Not 16...Ng6–/+) 16...Qd6 17.Nd2 f5 ½–½. Peto,L – Kiss,Attila (2425), HUN–chT4 Hungary, 1997.

5.Nf3 Ne7 6.Bc4 d5 A) 7.Bb3 A1) 7...cb5 8.Qe2 (8.0–0 Nbc6 9.d4 ed4 10.ed4 Bb6 11.Nc3 b4 12.Na4 0–0 13.Re1; 8.Nc3 Nbc6 9.Nb5 0–0 10.0–0 a6 11.Nc3 Bf5 12.e4 Be6 13.Qe2) 8...a6 9.Nc3 Nbc6 10.0–0 0–0 11.a4 ba4 12.Ra4 Be6 13.d4; A2) 7...a6 8.a4 (8.0–0 0–0 9.ba6 Na6 10.Nc3 Bd6 11.d4 ed4 12.ed4 Bf5 13.Re1; 8.ba6 Na6 9.Nc3 0–0 10.0–0 Bd6 11.d4 ed4 12.Nd4 Nc5 13.e4; 8.bc6 Nbc6 9.Nc3 0–0 10.0–0 Bf5 11.e4 Be6 12.Qe2 Qd6 13.ed5; 8.Nc3 ab5 9.0–0 Bd6 10.d4 e4 11.Nd2 Nf5 12.Ne2 Qc7 13.g3; 8.d4 ed4 9.ed4 Bb6 10.bc6 Nbc6 11.0–0 0–0 12.c4 dc4 13.Bc4) 8...ab5 9.ab5 Ra1 10.Ba1 0–0 11.0–0 e4 12.Nd4 Nf5 13.d3; B) 7.Be2 B1) 7...0–0 8.a4 (8.Nc3 cb5 9.0–0 e4 10.Ne1 b4 11.Nb5 a6 12.Nd4 Nbc6 13.c3; 8.0–0 cb5 9.d4 ed4 10.ed4 Bb6 11.Bb5 Nbc6 12.Re1 a6 13.Be2; 8.d4 Bb4 9.c3 Bd6 10.c4 ed4 11.Nd4 c5 12.Nf3 Be6 13.Nc3) 8...Nf5 9.0–0 Nd7 10.g4 e4 11.gf5 ef3 12.Bf3 Nb6 13.d4; B2) 7...cb5 8.d4 (8.0–0 0–0 9.d4 ed4 10.ed4 Bd6 11.Bb5 Nbc6 12.Nc3 a6 13.Bd3) 8...Bb4 9.c3 Bd6 10.de5 fe5 11.Bb5 Nbc6 12.c4 0–0 13.Nc3; B3) 7...e4 8.Nd4 0–0 9.0–0 cb5 10.Nb3 Bd6 11.Bb5 a6 12.Be2 Nbc6 13.Nc3; B4) 7...a6 8.d4 (8.a4 ab5 9.ab5 Ra1 10.Ba1 0–0 11.0–0 e4 12.Nd4 Bd6 13.bc6; 8.ba6 Na6 9.Nc3 0–0 10.0–0 Bd6 11.h3 Bf5 12.d3 Nc5 13.d4; 8.0–0 ab5 9.d4 ed4 10.Nd4 0–0 11.Nd2 Na6 12.a4 b4 13.N2b3) 8...ed4 9.ed4 Bd6 10.a4 ab5 11.ab5 Ra1 12.Ba1 0–0 13.0–0.

5.Nf3 Ne7 6.d4 Bb6 7.de5 Ng6 (7...fe5 8.Be5 Nf5 9.g4+/–) 8.ef6 gf6 9.Nbd2 d6 (9...Qe7 10.Be2+–) 10.c4 (10.Ne4 Ba5 11.Ke2 0–0 12.Qd6 Qd6 13.Nd6 cb5 14.Nc8 Rc8+–) 10...Bg4 (10...Qe7 11.Be2+–) 11.Be2 (11.Ne4 Ba5 12.Ke2 0–0 13.Qd6 cb5 14.cb5 Qd7 15.Qd7 Nd7+– (15...Bd7?? 16.Nf6 Rf6 17.Bf6+–)) 11...a6 (11...Qe7 12.h3 Bf5 13.Nd4 Bd4 14.Bd4+– (14.ed4?! Nf4 15.Kf1 Rg8+=)) 12.a4 (12.Ne4 Ba5 13.Kf1 0–0 14.Qd6 Qd6 15.Nd6 Bb4 16.bc6 Bd6+/–) 12...ab5 13.ab5 c5?? (better is 13...Ra1 14.Qa1 0–0+–) 14.Ra8 0–0 (14...Ne5 15.Ne4 Ba5 16.Kf1 Bf3 17.Bf3+–) 15.0–0 (15.Ne4 Ba5 16.Kf1 Bc7+–) 15...Qc7 (15...Qe7 16.Qc2+–) 16.h3 (16.Ne4 Bf3 17.Qd5 Kh8 18.Bf3 Ne5+–) 16...Be6 17.Ne4 d5 (17...Ne5 18.Qd6 Nf3 19.Bf3 Qd6 20.Nd6+–) 18.Nf6 Kf7 19.Ng5 Ke7 20.Nfh7 (20.Ne6 Ke6 21.Bg4 Ke7 22.Nd5 Kd6 23.Nb6 Ke7 24.Nd5 Kd6 25.Nc7 Ke7 26.Rb8 Ne5 27.Be5 Rb8 28.Qd7 Kf8 29.Qg7) 20...Kd7 21.Nf8 Nf8 22.Ne6 (22.Ne6 Ne6 23.Qd5 Qd6 24.Qb7 Bc7 25.Rd1+–) 1–0. gtate (1980) – speqter, net–chess.com, 2004.

4.e3 d5

(--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c6).

5.c4 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.c4 c6).

3.b5 d6

4.d4 Bd7 5.a4 Be7 6.d5 Nh6 7.e4 Nf7 8.c4 0–0 9.Nc3 a6 10.Be2 c6 11.Nf3 ab5 12.ab5 Ra1 13.Qa1 cb5 14.Nb5 Bb5 15.cb5 Nd7 16.0–0 Nc5 17.Nd2 Ng5 18.f3 Qb6 19.Nc4 Qb5 20.Rf2 Qd7 21.Ne3 Rb8 22.Nf5 b6 23.h4 Nf7 24.h5 g6 25.hg6 hg6 26.Ne7 Qe7 27.g4 g5 28.Ba3 Qc7 29.Bc5 bc5 30.Bf1 Nd8 31.Rb2 Kf7 32.Rb8 Qb8 33.Qa2 Qb6 34.Qh2 Kg7 35.Qh5? Nf7 36.Qh2 c4 37.Kh1? Qe3 38.Qe2 Qe2 39.Be2 c3 40.Kg2?? c2 (40...c2 41.Kf2 c1Q–+) 0–1. iczker – mateicristian, internet, 2011.

4.e3 Bd7 5.c4 c6 6.a4 a6 7.Nc3 Be7 8.Be2 cb5 9.Bh5 g6=+ 10.Bf3 Bc6 11.ab5+/– Bf3 12.Qf3 Qc7 13.Nge2 Nd7 14.ba6 Nh6?? 15.Nd5 Qc6 16.Ne7?? Ke7 17.Qc6+– bc6 18.0–0 Nc5 19.d4 Na6 20.c5 dc5 21.de5 fe5 22.Be5 Rhe8 23.Bf4 Nf5 24.Bg5 Kf7 25.Ng3 h6 26.Bf4 Ng3= 27.Bg3 g5 28.Rfd1 Nb4 29.Ra8 Ra8 30.h4 Nd5 31.hg5 hg5 32.Bd6 Ra5 33.e4 Ke6 34.ed5 Kd6–/+ 35.dc6 Kc6 36.f3 Ra2 37.Rd8 Kb5 38.Kh2 c4 39.Rb8 Kc5 40.Rc8 Kd4 41.Kg3 c3 42.f4? gf4 43.Kf4 Ra4?? 44.Rd8–/+ Kc5 45.Kf3 (45…Kc4 46.Ke3–/+). GULP – CapCarnage, Live Game Caissa's Web, 2004.

4.e3 Nd7 5.d4 e4 6.Qg4 d5 7.Qh5+/– g6 8.Qd5 f5 9.Qe6 Qe7 10.d5 Nb6?? 11.Qe7+– Be7 12.Bh8 Bf6 13.Bf6 Nf6 14.c4 Bd7 15.Nc3 0–0–0 16.a4 (16.a4 Be8 17.a5+–) 1–0. pierre (2380) – Shivas Irons (1690), ChessWorld.net, 2005.

4.e3 Ne7 5.d4 Be6 6.Nf3 Bg4 7.de5 fe5 8.Bc4 Bh5?? 9.Ne5!+– Bd1?? 10.Bf7# 1–0. b4_player – KamWC, gamecolony.com, 2007.

4.e3 Bf5 5.Qh5 Bg6 6.Qd1 Ne7 7.Be2 Nd5 8.Bh5 Be7 9.Bg6 hg6 10.h3 0–0 11.c4 Nb6 12.Qb3 c5? 13.a4 a5 14.d4 cd4? 15.ed4 ed4?? 16.c5+– Kh8 17.cb6 Qb6 18.Ne2 Nd7 19.Bd4 Nc5 20.Qc4 d5 21.Qd5 Rad8 22.Qe4 Rfe8?? 23.0–0 Bd6 24.Qh4 Kg8 25.Nbc3 Be5 26.Be5 Re5 27.Ng3 g5 28.Qg4 Nb3 29.Qc4 Qe6 30.Qe6 Re6 31.Rad1 Rde8 32.Rd7 Kh7 33.Nd5 Kg6 34.Rb7 Rd8 35.Ne7 Kh6 36.Nef5 Kg6 37.Rg7# 1–0. OPA – NightClub, Live Game Caissa's Web, 2004.

4.e4 Nd7 5.Bc4 Nb6 6.Bg8 Rg8 7.Qh5 g6 8.Qh7 Rg7 9.Qh8 Be6 10.d3 Qe7 11.Nc3?? Rh7–+ (11...Rh7 12.Qh7 Qh7–+) 0–1. Fredek (2090) – Guest1373708, Freundschaftspartie, 5m + 0s, 2005.

4.e4 f5 5.ef5 Bf5 =.

4.e3 Be6

5.c4 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Ne7 9.Nf3 g6 10.d4+= Bg7 11.Be2 0–0 12.0–0 c5 13.d5= Bc8 14.Qa4 g5 15.Nc3 g4 16.Nd2 f5 17.f4 Ng6 18.Nb3 ef4=+ 19.ef4 Nf4 20.Rf4+= Be5 21.g3 Bf4 22.gf4 Qh4 23.Qa2 g3 24.Bf1 Qf4 25.hg3 Qg3 26.Qg2 Qg2 27.Bg2 Nd7 28.Ne2 f4 29.Bh3 f3?? 30.Be6+/– Rf7 31.Ng3 Nb6 32.Bf7 Kf7 33.Nd2 Bd7 34.Nge4 Ke7 35.Bf6 Kf7 36.Bh4 Nc8 37.Nf3 Bf5 38.Nfd2 Ke8 39.Kf2 Kd7 40.Kf3 Nb6 41.Bg3 Nc8 42.Kf4 Bg6 43.Kg5 Nb6 44.Nd6 Bd3 45.Nb7 Bc4 46.Nc4 Nd5 47.Nc5 Kc8 48.Kf5 (48.Kf5 Kd8 49.Ke6 h6 50.Bh4 Ke8 51.Kd5 Kf7 52.Ne5 Kg8 53.b6 Kh7 54.b7 Kg7 55.Ne6 Kh7 56.b8Q h5 57.Qc7 Kh6 58.Bg5#) 1–0. Toth,Tamas – Nagy,Adam, HUN tt–ch4 Edeleny, 1998.

5.c4 Nd7 6.d4 =.

5.c4 Be7 6.Nc3 c5 7.a4 Nd7 8.Nf3 b6 9.d4 a5 10.ba6 Ra6 11.Nb5 Nb8 12.Qc2 Bd7 13.Rd1 Nc6+= 14.de5 de5 15.Bc3+/– Nh6 16.Bd3 g6 17.Be4 Qc8 18.Nd6 Bd6+= 19.Rd6 Rf8 20.Qd1 Ke7 21.0–0 Nf7 22.Rd2 Rd8 23.Bc2 Qc7 24.Qe2 Raa8 25.Rfd1+= Be6 26.Rd8 Rd8 27.Nd2 f5 28.f3 g5 29.Qf2 h5 30.Qg3 h4 31.Qh3?? Qc8?? 32.g4?? fg4–+ 33.Qg2 gf3 34.Nf3 Rd1 35.Bd1 Qd7 36.Be2 ½–½. Reimer,Karl – Geissert,B, Pfalz–op Landau, 1996.

5.d4 Ne7 =.

5.Nf3 d5 6.c4 c6 7.Qb3 cb5 8.cb5 Nd7 9.d4 e4 10.Nfd2 Nb6 11.Nc3 Qd7 12.a4 Bd6 13.a5 Nc4 14.Nc4 dc4 15.Bc4 Bc4 16.Qc4 Rc8 17.Qd5 f5 18.0–0?? Nf6?? 19.Qb3+/– b6 20.ab6 ab6 21.Ra6 Bc7 22.Ra7?? Qd6?? 23.g3+– Rd8?? 24.Ba3 Qd7 25.Rc1 Rc8 26.Na4 Qd5 27.Qb4 Kf7 28.Rcc7 Rc7 29.Rc7 Kg6 30.Nb6 Qa2 31.Qe7 Rg8 32.Nd7 Qe2 33.Rc1 Re8 34.Qd6 Rd8 35.Ne5 Kg5 1–0. elsh1403 – devo1 (1625), internet, 2011.

5.Nf3 d5 6.Be2 c5 7.0–0 Bd6 8.d4 cd4 9.ed4 e4 10.Ne1 Ne7 11.Nd2 0–0 12.c4 dc4 13.Nc4 Bc4 14.Bc4 Kh8 15.Qg4 f5 16.Qg5 Ng6 17.Be6?? Qg5–+ 0–1. elsh1403 – slimeononut (1800), internet, 2011.

3.b5 Be7

4.Nc3 d5 5.e4 d4 6.Nd5 Bd6 7.c3 c6 8.bc6 bc6 =.

4.c4 a6 5.e4 ab5 6.cb5 d5 7.ed5 Qd5 8.Nc3 Qd6 =.

4.c4 c6 5.a4 a5 6.e3 cb5 7.cb5 d5 8.Qc2 Be6 9.Nf3 Nd7 10.Na3 Rc8 11.Qd1 Bg4 12.Be2 Be6 13.d4 Bb4=+ 14.Nd2 ed4 15.Bd4= Nh6 16.0–0 0–0 17.Nc2 Bc5 18.Nb3 Be7 19.Rc1 Nf5 20.Bb2 Nc5 21.Nc5 Bc5 22.Bg4 Rc7 23.Qd3 Qd7 24.Rfd1 Nh6? 25.Be6+/– Qe6 26.Qd5 Qf7 27.Qf7 Rff7 28.Rd5 b6 29.Ne1 f5? 30.Nd3 Bf8 31.Rc6 g6 32.Bd4 Rc6 33.bc6 f4 34.Bb6 fe3 35.Ra5 e2 36.Re5 Rf6 37.Re2 Rc6 38.a5 Nf5 39.g3 Nd6 40.Kg2 Rc3? 41.Ne5 Nf5 42.Ra2 Bd6 43.Nd7 h5 44.Nf6 Kf7 45.Ne4 Rc4 46.Nd6 Nd6 47.a6 Rc8 48.a7 Ra8 49.Ra4 Nc8 50.Bd4 Nd6 51.Rb4 1–0. Suess,Stefan – Koch, 1984.

4.c4 d6 5.e3 Nh6 6.d4 a6 7.Bd3 ab5 8.cb5 Be6 =.

4.c4 Nh6 5.Nc3 0–0 6.Nf3 Bc5 7.e3 a6 8.d4 ed4 =.

4.d4 ed4 5.Qd4 a6 6.Qg4 g6 7.e4 ab5 8.Bb5 c6 =.

4.e4 c6 5.bc6 dc6 6.Bc4 Bc5 7.Qh5 g6 8.Qh4 h5 =.

3.b5 Ne7

4.c4 b6 5.e4= c6 6.d4 cb5 7.cb5 d6 8.d5 Qc7 9.Nc3 Nd7 10.Rc1 f5 11.Bd3 Nc5 12.Nce2 Ng6 13.ef5+= Nf4? 14.Nf4+– ef4 15.Qh5 Qf7+/– 16.Qf7 Kf7 17.Bc2 Bb7 18.Rd1 Re8 19.Ne2 Rg8 20.Rd2 g6 21.fg6+/– hg6 22.0–0 g5? 23.Nc3 Bg7+= 24.a4 a5 25.Bd1 Bc3 26.Bc3+/– Ne4? 27.Rd3?? Nc3+= 28.Bh5 Rg6?? 29.Rc3+– Rc8?? 30.Rc8 Bc8 31.Bg6 Kg6 32.f3 Bf5 33.Rc1 Kf6 34.Rc6 Ke5 35.Rb6 Kd5 36.Ra6 Kc5 37.Ra5 Kb4 38.b6 Bc8 39.b7 Bb7 40.Rb5 Ka4 41.Rb7 Ka5 42.Rd7 Kb5 43.Rd6 Kc5 44.Rg6 Kd4 45.Rg5 Ke3 46.Re5 (46.Re5 Kd3 47.h4 Kd4 48.Re4 Kc3 49.h5 Kb3 50.h6 Kb2 51.h7 Kc1 52.h8Q Kc2 53.Rc4 Kd3 54.Qd4 Ke2 55.Rc2 Ke1 56.Qd2#) 1–0. Baer,Cy (1895) – Elschner,Gerald (2205), RSS7E easy–50, 2007.

4.c4 Ng6 5.e3 Bb4 6.Bc3 Bc3 7.Nc3 0–0 8.d4 ed4 9.Qd4 c6 10.Bd3 Qe8 11.Nge2 Qe5 12.Bg6 hg6 13.Qe5 fe5 14.Rd1 a6 15.a4 ab5 16.ab5 d5 17.cd5+– cd5 18.Nd5 Bg4 19.f3 Be6?? 20.Nc7 (20.Nc7 Bb3 21.Na8 Bd1 22.Kd1+–) 1–0. Suess,Stefan – Zschommler, Adelsheim, 1985.

4.e3 b6?? 5.Qh5+– g6 6.Qf3 d5 7.Qf6 Rg8 8.c4 Nd7 9.Qh4 Bb7 10.Qh7 g5 (better is 10...a6!?+–) 11.Nf3 Nf6 12.Qc2 e4 13.Nd4 (better is 13.Bf6!? ef3 14.Qh7 Qd7 15.Be7 Rg7 16.Qh5 Ke7 17.Qf3 c5 18.cd5 Bd5+–) 13...Qd6 14.Nc3 Qe5 (14...0–0–0 15.cd5 Ned5 16.Ne4 Ne4 17.Qe4+–) 15.d3 (15.Rc1 Bg7+–) 15...Bg7 (15...ed3 16.Qd3 c5 17.bc6 Nc6 18.Nc6 Bc6 19.Rd1+–) 16.cd5 Nfd5 (16...ed3 17.Bd3 Nfd5 18.Bg6 Kd7 19.0–0–0+–) 17.Ne4 0–0–0 (17...c5 18.bc6 Nc6 19.Qa4+– (19.Nc6?! Qb2 20.Rc1 Qc2 21.Rc2 Kd7+–)) 18.Rb1 (better is 18.Qa4 c5 19.bc6 Nc6+–) 18...g4 (18...Nb4 19.Qc4 Nd3 20.Bd3 Be4 21.Be4 Qe4+–) 19.Nc6 Nb4 (19...Qe6 20.Nd8 Kd8 21.Qa4+–) 20.Qb3 Qb5 (20...Nbc6 21.Be5 Ne5 22.Qe6 Rd7+–) 21.Qe6 Rd7 22.Ne7 Kd8 23.Qg8 Ke7 24.Qg7 Kd8 25.Qf8# 1–0. Baumann,Heinz – Steingraeber,Barbara, RSX4D – A00 – Sokolsky–1, 2002.

4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Ne7).

4.e3 d6 5.d4 Nd7 6.Bd3 a6 7.ba6 ba6 8.Nd2 Rb8 =.

4.e3 Nf5 5.Qh5 g6 6.Qd1 Nd6 7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nc3 cb5 12.cb5 Qa5 13.Nf3 Be7 14.Be2 0–0 15.0–0 Qc7 16.Qb3 Rf7 17.Nd5 Qd8 18.d4 Kg7?? 19.de5 fe5 20.Ne5 Rf5 21.Nc6 Bf6 22.Nd8 Rd5 23.Qd5 (23.Qd5 Ba1 24.Ra1 Nc6 25.Nc6 Nf7 26.Qd4 Ne5 27.Qe5 Kg8 28.Bc4 d5 29.Bd5 Be6 30.Be6 Kf8 31.Ra8) 1–0. elsh1403 – januszko55, internet, 2011.

4.e3 g6 5.f4 d6 6.Nf3 Bg7 7.Bc4 d5 8.Bb3 e4 9.Nd4 0–0 10.c4 c5 11.cd5 Nd5 12.Ne2 Kh8= 13.0–0 Nb4 14.Nbc3 f5 15.Rc1 Nd3 16.Rc2 h6 17.Qa1 Kh7 18.Nc1 Nb2 19.Qb2=+ b6 20.a4 Bb7 21.Qa2 Nd7 22.Nd5 Nf6 23.Nf6 Qf6 24.d3 Rfd8 25.de4 Be4 26.Rd2 Rd2 27.Qd2 Rd8 28.Qe2 Qb2 29.Qb2 Bb2 30.Na2 Rd2 31.Rd1?? Rg2 32.Kf1 Rh2 33.Rd7 Bg7 34.Nc3 Rh1 35.Kf2 g5 36.Ne4= fe4 37.Ra7 gf4 38.ef4 Rh3 39.Bc2?? h5 0–1. elsh1403 – hazielklop, internet, 2011.

4.e4 a6 5.c4 ab5 6.cb5 d5 7.ed5 Nd5–/+ 8.a4 Bf5 9.Bc4 Nb4 (9...Nb4 10.Na3 Nd3 11.Bd3 Qd3 12.Qh5 g6–+) 0–1. Neffgen,Dieter – Taulien,Hans_Juergen, RSX4D – A00 – Sokolsky–1, 2002.

4.d4 ed4

5.Qd4 Ng6 6.Nc3 c6 7.e4 Be7 8.Nf3 0–0 9.Be2 Qe8 10.0–0+/– cb5 11.Nb5 Nc6 12.Qd5+– Qf7 13.Qf7 (13.Qf7 Rf7 14.Bc4+–) 1–0. Taulien,Hans_Juergen (2350) – Neffgen,Dieter (1840), RSX4D – A00 – Sokolsky–1, 2002.

5.Bd4 d5 6.e3 Ng6 7.Bd3 Be6 8.Nd2 Bd6 9.Qh5 Bf7 10.Bg6 Bg6 11.Qd5 Qc8 12.Ne2 Bf7 13.Qe4+/– Be6 14.Nf4 Bf4 15.Qf4 0–0 16.a4 Nd7 17.0–0 c6 18.c4 c5 19.Bc3 b6 20.Ne4 Bc4?? 21.Nd6+– (21...Bf1 22.Nc8 Bg2 23.Qc4 (< 23.Kg2 Rfc8 24.Qg4 Ne5 25.Be5 fe5+–) 23...Kh8 24.Nd6+–) 1–0. Baumann,Heinz – Neffgen,Dieter, RSX4D – A00 – Sokolsky–1, 2002.

5.Bd4 Nf5 6.Bb2 d5 7.e3 a6 8.Nd2 Bb4 9.c3 Be7 10.Ngf3 Nd6 11.ba6 Na6 12.c4 dc4 13.Nc4 Be6 14.Nd6 Bd6 15.Bc3 Qd7 16.Nd4 Nc5 17.a3 Be5 18.Qc2 Bd5 19.Rd1 Ra3 20.Bb5?? c6–/+ 21.Bb4 Bd4?? 22.Ba3=+ Bb3 23.Qc5 Bc5 24.Rd7 Kd7 25.Bc5 cb5 26.Kd2 Rc8 27.Rc1 Ke6 28.e4 b6 29.Bd4 Rc1 30.Kc1 b4 31.g4 g5 32.Kd2 b5 33.Bc5 Ke5 34.f3 Bc4 35.Ke3 b3 36.Bd4 Ke6 37.Bb2 Ke7 38.f4 b4 39.e5 fe5=+ 40.fg5 Be6 41.h3? Kd6–/+ 42.Ke4 Bd5 43.Kf5 Bc6 44.Be5=+ Kd5 45.Kf4 Kc4 46.Ke3 Bd7 47.Bb2 Bc8 ½–½. Baumann,Heinz – Taulien,Hans_Juergen, RSX4D – A00 – Sokolsky–1, 2002.

5.Nf3 =+.

4.d4 d6

5.d5 Bf5 6.c4 Nd7 7.Nc3 Nc5 8.f3 h6 9.e4 Bg6 10.Bd3 Nc8 11.Nge2 Nb6 12.0–0 Qd7 13.Qc2 Nd3 14.Qd3 f5 15.a4 Nc8 16.Ng3 f4 17.Nge2 Be7 18.Ba3 b6 19.a5 Bg5 20.Kh1 h5 21.Ng1 h4 22.Nh3 Bh6 23.ab6 ab6 24.Bb4 Ra1 25.Ra1 0–0 26.Nd1 Bh5 27.Ndf2 g5 28.Ng1 g4 29.h3 g3 30.Nd1 Ne7 31.Ra7 Rb8 32.Qa3 Nc8 33.Ra8 Ra8 34.Qa8 Bf8 35.Qc6 Qe7 36.Qb7 Qd8 37.Nc3 Ne7 38.Na4 Be8 39.Nb6?? cb6–+ 40.Ne2 Nc8 41.Bc3 Qd7 42.Qc6 Qc6 43.bc6 Na7 44.Kg1 Be7 45.Bb4 Kf7 46.Nc3 Nc8 47.Nb5 Kf8 48.Nc7 Bf7 49.Ne6?? Be6–+ 50.de6 Kg7 51.Kf1 Kf6 52.Ke2 Ke6 53.Kd3 Kf6 0–1. iczker – kszz, internet, 2011.

5.e4 Nd7 6.Nf3 =.

5.e4 Be6 6.Nf3 Nd7 7.Nbd2 g6 8.Bc4+= Bc4 9.Nc4 Bg7 10.0–0 0–0 11.a4 Qe8 12.Na5 b6 13.Nb3 Qf7 14.de5 Ne5 15.Ne5 de5 16.Qe2 Nc8 17.Rfd1+/– Nd6 18.Rd5 f5 19.Rad1 Qe6 20.ef5+/– gf5 21.Ba3 Rfd8 22.c4 Qg6 23.a5 Qf6 24.c5 Nf7 25.Bb2 Rd5+= 26.Rd5 c6 27.Rd7 Qe6 28.Qd3 f4 29.bc6 e4+= 30.Qh3 Qc6? 31.Bg7+– Kg7 32.Qf5 Qg6 33.Qf4 Qe6 34.Qg3 Kf8 35.Rd1 ba5 36.Na5 Qe7 37.c6 Rd8 38.Rb1 Qb4 39.Nb3 Qc4 40.c7 Rd6 41.Nd2?? Qc7+/– 42.Ne4 Rb6 43.Qa3 Kg7 44.Rc1 Rc6 45.Rc6 Qc6+/– 46.f3 Qb6 47.Qc5 Qb1 48.Kf2 Qb2 49.Kg3 Qb8 50.f4 Qd8 51.Qc3 Kf8 52.f5 a5 53.f6 Qb8 54.Kg4 h5 55.Kh3 Qb7 56.Qg3 Qd5+/– 57.Qa3 (better is 57.Qg7 Ke8 58.Qg8 Kd7 59.Qg6+/–) ½–½. Welti,Manfred – Hallberg,Kristjan (1845), EM/C/A026 ICCF Email, 1997.

4.e3 a6

5.d4 ed4 6.Qd4 ab5 7.Bb5 Nbc6 8.Qd1 Ng6 9.Nf3 Bb4 10.Bc3 Qe7 11.0–0 Qc5 12.Bc6 dc6 13.Bb4 Qb4 14.Qd3 0–0 15.a3 Qa4 16.Nc3 Qg4 17.Rfb1 Ne5= 18.Ne5 fe5 19.f3 Rf3=+ 20.Qe2 e4 21.Rb4 Qg6 22.Ne4 Rf7 23.Ng3 b6 24.Qd3 Qg5 25.Qc3 c5 26.Re4 Bd7 27.Re5 Qg4 28.Re4 Qg6 29.Rd1 Raf8 30.Qc4 Kh8 31.Qe2 h6 32.Qh5 Qh5 33.Nh5 Ra8 34.Ra1 g6 35.Ng3 Kg7 36.h4 Ba4 37.c3 Bc6 38.Rg4 b5 39.Nh5 Kh7 40.Ng3 Ra6 41.Ne2 h5 42.Rg5 Rf5 43.Rf1 Rg5 44.hg5 Bd5 45.Nf4 c6 46.Ra1 Bc4 47.g4 h4 48.Rd1 Bf7 49.Rd7 Kg8 50.Nd3 Ra3 51.Ne5 Bd5 52.Rd8=+ Kg7 53.Rd7 Kf8 54.Ng6 Ke8 55.Re7 Kd8 56.e4 Ba2 57.Kh2? b4 58.cb4 cb4 59.Rb7 c5 60.Ne7? Rd3 61.Nc6 ½–½. Taulien,Hans_Juergen – Baumann,Heinz, RSX4D – A00 – Sokolsky–1, 2002.

5.d4 ed4 6.Bd4 Nf5 7.Nf3 d5 8.Bd3 ab5 =.

4.e3 c6

5.c4 d5 6.a4 Be6 7.Qb3 cb5 8.ab5 a6 9.Nc3 d4 10.Ne4 Nf5 11.Nf3 Be7 12.Ba3 0–0 13.Be7 Qe7 14.Bd3 Nd7 15.0–0 Nc5 16.Nc5 Qc5 17.Rfc1 ab5 18.Qb5 Qb5 19.cb5 Ra1 20.Ra1 Nd6 21.ed4? e4–+ 22.Re1 ed3?? 23.Re6= Nb5 24.Rb6 Na3 25.Rb7 Rc8 26.g3 Nc2 27.d5 Rd8 28.Rb5 Na3 29.Rb3 Nc4 30.Rd3 Ne5 31.Ne5+– fe5 32.Kg2 Kf7 33.Kf3 Ke7 34.Ke4 Kd6 35.Ra3 Re8 36.Ra6 Kc5 37.Ra5 Kd6 38.Ra6 Kc5 39.Rc6 Kb5 40.Rc7 Rf8 41.f3 g6 42.Rh7 Rf6 43.Re7 Kc5 44.Re5 Rd6 45.d4 Kc4 46.h4 Rf6 47.g4 Rd6 48.h5 gh5 49.Rh5 Rf6 50.Rf5 Rd6 51.Re5 Rf6 52.f4 Rd6 53.f5 Rf6 54.Re6 (54.Re6 Rf8 55.g5+–) 1–0. elsh1403 – rossolimo, internet, 2011.

5.d4 ed4= 6.ed4 (6.Bd4 Nf5=) 6...d5 7.bc6 (better is 7.Nf3!?=) 7...Nbc6–/+ 8.Bb5 (8.Nc3 Nf5 9.Nf3 Bb4–/+) 8...Nf5 9.Nf3 Qa5 10.Nc3 Ba3 11.Bc6? (better is 11.Qc1 Bb4 12.Qd2–/+) 11...bc6–+ 12.Qc1 Bb2 13.Qb2 Rb8! 14.Qb8 Qc3 15.Kd1 Qa1 16.Ke2 (16.Kd2 Qh1 17.Qc8 Ke7 18.Qf5 Qg2–+) 16...0–0 (16...Qh1?! 17.Qc8 Ke7 18.Qh8 Qg2 19.Qb8–+) 17.Qc8 (17.Ra1 Ba6 18.Kd2 Rb8–+) 17...Qh1 (17...Rc8?! 18.Ra1 Rb8 19.Kd3=; 17...Nd4 18.Nd4 Qh1 19.Qe6 Kh8 20.g4–+) 18.Qf5 (18.Qe6 Kh8 19.Qf5 Re8 20.Kd2 Qf1–+) 18...Re8 19.Ne5 (19.Kd3 Qf1 20.Kc3 Qf2 21.a4–+) 19...fe5 20.Qd7 Kf8 21.Qd6 (21.Qf5 Ke7 22.Qh7 Qg2 23.de5 Qg5–+) 21...Re7 22.de5 (22.Qc6 Qg2 23.Qc8 Re8 24.Qc5 Kg8 25.de5 Re5 26.Kd2 Rf5–+) 22...Qg2 23.e6 (23.Qc6 Re5 24.Kd2 Qf2 25.Kc3 Qe3 26.Kb4 Re4 27.Kb5 Qe2 28.Ka5 Qc4 29.Qc4 Rc4–+) 23...Qe4 24.Kf1 Qe6 25.Qb8 Kf7 26.Qf4 Kg8 27.Qb8 Re8 28.Qa7 (28.Qb3–+) 28...Qh3 29.Kg1 Re1 0–1. libelle_3 (1860) – marekt (2160), gameknot.com, 2014.

4.e3 Ng6

5.d4 d5 6.de5 fe5 7.c4 Be6 8.cd5 Bd5 =.

5.Nf3 d5 6.c4 c6 7.a4 Be6 8.Qb3 Nd7 9.d4 e4 10.Nfd2 Be7 11.Be2 0–0 12.0–0 Rb8 13.f3 f5 14.Nc3 Nf6 15.fe4 fe4 16.cd5 cd5 17.Nce4 Ne4 18.Ne4 Rf1 19.Rf1 Qb6 20.Nc3 Rc8? 21.Bf3 Qd6 22.Ra1?? Bd8? 23.Ba3+– Qd7 24.Bd5 Bd5 25.Qd5 Qd5 26.Nd5 h5 27.Rc1 Rc1 28.Bc1 Kf7 29.e4 Ke6 30.Kf2 Bb6 31.Ke3 Bd8 32.Bb2 Bg5 33.Kd3 Bf4 34.Nf4 Nf4 35.Kc4 Ng2 36.Kc5 g5 37.d5 Kd7 38.e5 Nf4 39.e6 Ke7 40.Be5 (40.Be5 Nd3 41.Kd4+–) 1–0. elsh1403 (1615) – mercedes1500, internet, 2011.

5.Nf3 d5 6.c4 Be6 7.cd5 Bd5 8.Nc3 c6 9.a4 Bb4 10.Nd5 cd5 11.Qb3 Ba5 12.Ba3 a6 13.Be2 Ne7 14.0–0 ab5 15.ab5 Nd7 16.Rfc1 Nb6 17.Bc5 g5 18.d3 h5 19.Rc2 h4? 20.Rac1?? g4+= 21.Nd2 Bd2 22.Rd2 0–0? 23.Bg4+– Re8 24.Be6 Kg7 25.Qb4 Ng6 26.Bf5 Rh8 27.Qg4 Rh6 28.Rdc2 Na4 29.Bb4 1–0. elsh1403 – hazielklop, internet, 2011.

4.e4 d5

5.d4 de4 6.Qh5 Ng6 7.Nd2 ed4–/+ 8.Ne4 Qe7 9.Qe2 a6 10.a4 Bf5 11.f3 Nf4 12.Qd2 Be4 13.Qf4 Bc2 14.Kf2 Qe3! 15.Qe3 de3 16.Ke3 Nd7 17.Kd2 Bg6 18.Bc4 Nb6–+ 19.Bb3 0–0–0 20.Kc1 Bc5 21.Ne2?? Be3# 0–1. Steingraeber,Barbara (2240) – Baumann,Heinz (2355), RSX4D – A00 – Sokolsky–1, 2002.

5.ed5 Nd5 6.c4 Nf4 7.Qc2 a6 8.a4 g6 9.Nf3 Bf5 10.Qc3 ab5 11.ab5?? Ra1–+ 12.Ba1 Bb1 0–1. Neffgen,Dieter (1840) – Baumann,Heinz (2355), RSX4D – A00 – Sokolsky–1, 2002.

5.ed5 Nd5 6.c4 Nf4–/+ 7.Nc3 Be6 8.Nf3 Bc5 9.Ne4=+ Bb4 10.Bc3 Bc3 11.dc3 Qd1 12.Rd1 0–0 13.Nc5 b6 14.Ne6+/– Ne6 15.Bd3 Nc5 16.0–0?? Nbd7?? 17.Bf5 Rfd8 18.Rfe1 Nf8 19.h3 Rd1 20.Rd1 g6 21.Bc2 Nfe6 22.Kf1 Kg7 23.Nh2 f5 24.f3 e4 25.fe4=+ fe4 26.Re1 Rf8 27.Kg1 Re8 28.Ng4 h5 29.Nh2 Nf4–/+ 30.Nf3 e3 31.Nd4 h4 32.Nc6 Ncd3 33.Bd3 Nd3 34.Re2 Nc1 35.Rc2 Nd3 36.Nd4 Ne1?? 37.Re2+= Nd3 38.Nc6 Nf4–/+ 39.Kf1 Re4 40.Nd4 Ne2 41.Ke2 Kf6 42.Kf3 e2 43.Ne2 Rc4 44.Ke3 Ra4 0–1. Neffgen,Dieter – Steingraeber,Barbara, RSX4D – A00 – Sokolsky–1, 2002.

5.ed5 Nd5 6.Bc4 Be6 7.Nf3 Bc5 8.d4= ed4 9.0–0 0–0?? 10.Nd4+= Nd7?? 11.Ne6+– (11.Ne6 Qe7 12.Nf8+–) 1–0. gtate (1930) – roadrunner (1975), net–chess.com, 2005.

5.ed5 Nd5 6.Bc4 Nf4 7.Qf3 Bc5 =+.

5.Qh5 g6 6.Qf3 Bg7 7.d4 de4=+ 8.Qe4 f5 9.Qf3 ed4 10.Bc4 Nd7 11.Ne2 Ne5 12.Qb3 c5 13.0–0 Nc4 14.c3?? Nb2–+ 15.Qb2 d3 16.Nf4 Qd6 17.Qd2 c4 18.a4 Bh6 19.g3 Nd5 20.Qa2 Nf4 21.Re1 Ne2 22.Kf1 Be6 (22...Be6 23.Re2 de2 24.Qe2 0–0–0–+) 0–1. Steingraeber,Barbara (2240) – Taulien,Hans_Juergen (2350), RSX4D – A00 – Sokolsky–1, 2002.

5.Qh5 g6 6.Qf3 Bg7 7.ed5 Qd5 8.Nc3 Qe6 9.Qd5?? Qd5 10.Nd5 Nd5 11.Bc4 Nb6 12.Bb3 a6 13.ba6 ba6 14.Ne2 Bb7 15.0–0 N8d7 16.d3 0–0–0 17.Rfe1 Rhg8! 18.Bg8 Rg8 19.Rab1 Bd5 20.Nc3 Bf7 21.a4 a5 22.Bc1 Nc5 23.Rb5 Ne6 24.Ra5 Nd4 25.Be3 Nc2 26.Rc1 Ne3 27.fe3 Bh6 28.Kf2 Rd8 29.Ke2 Bd5 30.Nb5 c6–+ 31.Ra7 Kb8 32.Rh7 cb5 33.Rh6=+ ba4 34.Rg6 Nd7 35.e4 Be6 36.Rc6. Taulien,Hans_Juergen (2350) – Steingraeber,Barbara (2240), RSX4D – A00 – Sokolsky–1, 2002.

5.Qh5 g6 6.Qf3 Bg7 7.ed5 Nd5 8.Bc4 Nb6 =.

5.Qh5 Ng6 6.ed5 Qd5 7.Nc3 Qd6 8.Ne4?? Qb4–+ 9.Bd3 Qb2 10.Qd1 Qd4 11.Nf3 Qd8 12.0–0 Be7 13.Bc4 Nd7 14.d4 Nb6 15.Bb3 Nd5 16.c4? Ndf4 17.c5 Be6 18.d5? Bf5 19.d6 Be4 20.de7 Qd1 21.Rfd1 Bf3 22.gf3 Ne7 23.Ba4 0–0 24.Rd7 Nfd5 25.Bb3–/+ Rfd8 26.Rd8?? Rd8–+ 27.a4 Kf8 28.Rd1 Ke8 0–1. Steingraeber,Barbara – Neffgen,Dieter, RSX4D – A00 – Sokolsky–1, 2002.

3.b5 Nh6

4.a4 d5 5.e3 Be7 6.Nf3 0–0 7.Be2 c5 8.0–0 Be6 9.c4 d4 10.ed4 ed4 11.d3 a5 12.Qc2 b6 13.Bd1 Kh8 14.h3 Bd6=+ 15.Kh1 Qd7 16.Bc1 Qc8 17.Bh6= gh6 18.Nh2 Rg8 19.Bf3 Ra7 20.Nd2 Rag7 21.Rg1 Bh3=+ 22.Ne4 Bh2–/+ 23.Nf6?? Bg1–+ 24.Ng8 Bf2 25.Nf6?? Qf5 26.Ne4 Be3 27.Qe2–+ Qf4 28.Rf1?? Bg2 29.Bg2 Qh4 30.Bh3 Qh3 31.Qh2 Qf1 (31...Qf1 32.Qg1 Qg1#) 0–1. BfreeToLose – BATTLEPHIL (1990), Live Game Caissa's Web, 2006.

4.d4 ed4 5.Bd4 d6 6.c4 Be7 7.Nc3 Nd7 8.Nf3 0–0 9.e3 Nf5 10.Bd3 Nd4 11.Nd4 Nb6 12.0–0 Kh8 13.a4 a5 14.ba6! ba6? 15.a5+– Nd7 16.Be4 Rb8 17.Rb1?? Ne5?? 18.Rb8+– Qd7 19.Bf5 Qe8 20.Rc8 Qh5 21.Rf8 Bf8 22.f4 Qh6 23.Bh3 Nc4 24.Qb3 Ne3 25.Qb8 g6 26.Rf3 Nc4 27.Nd5 Qg7 28.Qc7 Qg8 29.Qc4 Bh6 30.Ne3 Bg7 31.Qg8 Kg8 32.Rg3 Kf7 33.f5 g5+– 34.Ng4 h5 35.Ne6 Bf8 36.Nf8 Kf8 37.Nf6 Kf7 38.Rg5 Kf6 39.Rg6 Ke5 40.Rd6! Kf4 41.f6 h4 42.g3! hg3 43.hg3 Kg3 44.f7 Kh4 45.f8Q Kg5 46.Qh6 1–0. iczker – mergicuiapa (1690), internet, 2011.

4.e3 c5 5.Be2 d5 6.Bh5 g6 7.Be2 Bd6 8.Nf3 0–0 9.0–0 Nd7 10.c4 d4 11.ed4= cd4 12.Ne1 b6 13.Nd3 Nc5 14.Nc5= bc5 15.a4 Bf5 16.d3 Rc8 17.Bf3 Kh8 18.a5 Rb8 19.a6 Be6 20.Bb7 f5 21.Nd2 Ng4 22.h3 Nf6 23.Nf3 Bc8 24.Bc6 Bd7 25.Bb7 Qb6 26.Ng5 h6= 27.Nf3 Bc8 28.Nh4 Kh7=+ 29.Bf3? Bd7?? 30.Bc1? Rbe8 31.Qd2 Ng8 32.Ng6? Kg6–+ 33.Qe2 Re7 34.Bh5 Kh7 35.Qd2 Rg7 36.Kh1 Be8 37.Bf3 Bg6 38.Bd5 Bf7 39.Bf3 Re8 40.Re1 Qc7 41.Qe2 Nf6 42.Qd2 f4 43.Be4 Kh8 44.f3? Bg6 45.Bg6 Rg6 46.Qe2 Rg3 47.Bf4? ef4 48.Qe8 Ne8 49.Re8 Rg8 50.Rae1 Qg7 51.g4 Kh7 52.R8e6 Bf8 53.Rc6 h5 54.Ree6 hg4 55.Rh6 Qh6 56.Rh6 Bh6 57.hg4 Re8 58.Kg1 Re2 59.Kf1 Rd2 60.Ke1 Rh2 61.Kf1 Ra2 (61...Ra2 62.Ke1 Bg5–+) 0–1. XXXtremis – MindBender, Caissa.com, 2004.

4.e3 Bc5 5.Qh5 Nf7 6.Ba3 Ba3 7.Na3 0–0 8.Be2 d5 9.Nf3 Be6 10.0–0 Qd7 11.Qh4 c5 12.c4 d4 13.ed4 cd4 14.d3 Qd6 15.Nd2?? Nd7 16.Nc2=+ f5 17.Bh5 Nh6 18.Nf3 Rad8 19.Qg3 f4 20.Qg5 Rf5?? 21.Qh4 Nf6 22.a4?? Rh5 23.Qf6 gf6 24.Na3 Kh8 25.Rfc1 Rg8 26.c5 Qf8 27.c6 bc6 28.Rc6 Bd5 29.Rc7 Qa3! 30.Ra3 Bf3 31.g3 fg3 32.fg3 Nf5 (33.Ra1 Ra8–+; better is 32...Rg3! 33.Kf2 Rgh3 34.Ra2 Rh2 35.Kf3 Ra2 36.Ke4 Ra4 37.Rc6 Rh4 38.Kd5–+) 0–1. stoker – COUNTDOWN2MATE3, Live Game Caissa's Web, 2004.

4.e4 a6 5.Nc3 ab5 6.Bb5 c6 7.Bc4 Nf7 8.Nf3 Be7 9.0–0 d6 10.d4 Bg4 11.Bf7+/– Kf7 12.de5 Bf3 13.Qf3 de5+= 14.Ne2 Qd2 15.Qb3+/– Kg6 16.Qb7 Na6 17.Ng3 Qc2?? 18.Nf5 Rab8 19.Ne7 Kh5 20.Qd7 Qb2 21.Qh3 Kg5 22.g3 (22…Qf2 23.Rf2 Rb1 24.Rb1 h5 25.Qf5 Kh6 26.Qg6#) 1–0. Wall,Bill – Locket, Internet, 2003.

4.e4 c6 5.a4 a6 6.c4 ab5 7.ab5 Ra1 8.Ba1 Qa5 9.Nc3 Bb4 10.Be2 0–0 11.Nf3 d6 12.0–0 Nd7 13.Bb2 Nc5 14.Qc2 Bg4 15.Ra1 Qc7 16.h3 Bf3 17.Bf3 Ne6 18.Na2 Bc5=+ 19.bc6 bc6 20.Nc1 Rb8 21.Nd3 Bd4 22.Bc3 g6 23.g3 Kg7 24.Kf1 Nf7 25.Bg2 h5 26.f3 g5 27.Ra2 c5 28.Ke2 Kh6 29.Rb2 Nfd8 30.Rb3?? Nc6?? 31.Qb1 Rb3 32.Qb3 Qa7 33.Qb5?? Bc3–+ 34.dc3 Ncd4! 35.Kd2 Nb5 (35...Nb5 36.cb5 Qa2 37.Kc1 Qg2–+) 0–1. Sudhop,Horst (1745) – Mueller,Falk (1995), 12sen.LSEM Ruhrgebiet op, 2005.

4.e4 d5 5.ed5 Qd5 6.Nc3 =.

4.e4 Be7 5.d4 ed4 6.Bd4+= 0–0 7.Nf3 Kh8 8.Bd3 d6 9.0–0 Bg4 10.Nbd2 Nd7+= 11.h3 Bh5 12.Nh4?? (better is 12.Be3+/–). wood – BATTLEPHIL, Live Game Caissa's Web, 2005.

4.e3 Be7

5.Qh5 Nf7 6.Bc4 d5 7.Bd3 e4 8.Be2 0–0 9.Nc3 c6 10.Nh3? Nd7?? 11.Nf4 Nh6?? 12.bc6 bc6 13.Ncd5! Bd6 14.Nf6?? Nf6–+ 15.Bf6 Rf6 16.Bc4 Kh8 17.0–0 Rf5 18.Qh3?? Rf4! 19.Qg3 Rg4 20.Qg4 Bg4 21.d3 Qh4 22.g3 Qh3 23.f3 Bf3 24.Rf3 ef3 (25.Kf2 Qg2 26.Ke1 Qe2#) 0–1. stoker – 2deep, Live Game Caissa's Web, 2004.

5.Qh5 Kf8 6.f4 d6 7.Bc4 Bg4 8.Qh4 Nd7 9.h3 Nb6 10.Bd3 Bf5 11.Nf3?? Bd3?? 12.cd3= Qe8 13.0–0 Nf5 14.Qg4=+ Qg6 15.fe5 Qg4 16.hg4 Nh6 17.ef6 Bf6 18.Bf6 gf6 19.g5 fg5 20.Ng5 Ke7 21.Nc3 Raf8 22.Rf8+– Rf8 23.Rf1 Rf1 24.Kf1 Kf6 25.Nge4 Ke5 26.Ke2 d5? 27.Ng5 Nd7 28.Nh7 c6 29.a4?? Nf7? 30.Kf3?? Kf5= 31.e4 Kg6 32.ed5 c5 33.Ne4 Kh7 34.Kf4 Kg6 35.g4 b6 36.Ke3 Nfe5 37.Kf4 Nd3 38.Ke3 Nb2 39.Nc3 Ne5 40.d4? Ng4 41.Ke4 Nf6 42.Ke5 Nc4 43.Ke6 Ne8?? 44.dc5–/+ bc5 45.Ne4 Nc7 46.Kd7 Nd5 47.Nc5 Nb2 48.a5 Nc4 49.b6 ab6 50.ab6 Ncb6 51.Kc6 Kf5 52.Nd7 Ne7 53.Kb6 Ke6 54.Nc5 Kd5 55.Nb3 Ng6 0–1. elsh1403 – vallaskyn (1745), internet, 2011.

3.c3 a5

4.a3 (--> 3.a3 a5 4.c3).

4.Qa4 Nh6 5.Nf3 c5 6.Qa3 e4–/+ 7.Ng1 cb4 8.Qb3 d5 9.e3 Nc6 10.Bb5 Be6 11.Ne2 Nf5 12.Nf4 Bf7 13.Qa4 Rc8 14.a3 ba3 15.Ba3 Ba3 16.Na3 Nd6 17.Nc2 Nb5 18.Qb5 Qd7 19.h4 Ra8 20.Rb1 Ra7 21.h5 0–0 22.Nd4 Rd8 23.Qc5 Rda8 24.h6 g5 25.Nh5 Bh5–+ 26.Rh5 Ne5 27.Kf1 Nc4 28.Ke1 b6 29.Qc6 Qc6 30.Nc6 Rc7 31.Nd4 Kf7 32.Rb5 Rd7 33.Rb1 a4 34.Ra1 Kg6 35.Rh1 a3 36.Ra2 g4 37.Ne6 f5 38.Nf4 Kg5 39.Ke2 Ra5 40.d3 Ne5 41.d4 Nc4 42.Rh5 Kf6 43.Ke1 Rc7 44.g3 Rc8 45.Kd1 Rca8 46.Ke2 Nd6 47.Rh1 Rc8 48.Rb1 Rc6 49.Rc1 Kg5 50.Ne6 Kh6 51.Nd8 Rc4 52.Ne6 Nf7 53.Kd2 Kg6 54.Nf4 Kg5 55.Rca1 Rca4 56.Rb1 Nd6 57.Rh1 Kf6 58.Rh7 Nf7 59.Rh1 Ke7 60.Rh5 Nd6 61.Ng6 Ke6 62.Ne5 Ne8 63.Ng6 Rb5 64.Nf4 Kf6 65.Kd1 Ra8 66.Kc1 Ra6 67.Rh7 Ng7 68.Rh6 Kf7 69.Rd6 Raa5–+ 70.Rd7 Kf6 71.Rc7 Ne8 72.Rd7 Rb3 73.Kc2 Rab5–/+ 74.Nd5 Ke6 75.Rd8 Rb2 76.Rb2 Rb2 77.Kc1 b5 78.Nf4 Kf7 79.d5? Rf2–+ 80.Kb1 a2 81.Ka1 Rc2 82.d6 Rd2 83.Ra8? Nd6 84.Ra2 Rd1 85.Kb2 Nc4 86.Kb3 Ne3 87.Ra7 Kf6 88.Ra6 Ke7 89.Ra7 Rd7 90.Ng6 Ke8 91.Ra1 Rd2 92.Nf4 Nd5 93.Ra8 Kd7 94.Ra7 Kc6 95.Ra6 Nb6 96.Ra1? Nc4 97.Ra2 Ra2 98.Ka2 Kd6 99.Kb3 Ne3 100.Ne2 Kc5 101.Nf4 Nf1 102.Ne2 Nd2 103.Kc2 Nf3 104.Kb3 e3 105.Kb2 Kc4 106.Kc2 Nd2 107.Nd4 Ne4 108.Nf5 e2 109.Ne3 Kc5 110.Ng2 0–1. Comet B25 – Doctor? 3.0, 2004.

4.Qb3 ab4 5.cb4 Nc6 6.a3 Nge7 7.e3 b6 8.Be2 g6 9.Nh3 d5=+ 10.Nc3 Be6 11.Qc2 Bf5 12.d3 d4 13.ed4 Nd4–/+ 14.Qd2? Bh3 15.gh3 Nb3 16.Qd1 Na1 17.Qa1 Nd5 18.Nd5 Qd5 19.f3 Bb4! 20.Kf2 Bc5 21.Kg2 0–0 22.Qc1 Ra4 23.Rd1 Rfa8 24.Qh6 Ba3 25.Bc1 Bf8 26.Qe3 g5 27.Qd2 Ra2 28.Qe1 Bb4! 29.Bd2 Rd2 30.Rd2 Ra2 31.Ra2 Be1 32.Ra1 Ba5 33.Rf1 Qd4 34.Kg3 Qe3 35.Bd1 Be1 36.Kg2 Qd2 37.Kh1 Qd1 38.Re1 Qe1 39.Kg2 Kf7 40.h4 gh4 41.d4 Qe2 42.Kh3 h5 43.de5 Qf3 44.Kh4 Qg4 0–1. SubZero – Caissa, Live Game Caissa's Web, 2004.

4.d4 ab4 5.Bc1 bc3 6.Nc3 Bb4 7.f3?? Bc3–+ 8.Bd2 Ba1 9.Qa1 ed4 10.Bf4 c5 11.g4 Qa5 12.Bd2 Qa2 13.Qa2 Ra2 14.Bc1 d5 15.h4 Ra1 16.Bg2 Rc1 17.Kd2 Ra1 18.e4 Ra2 19.Kd1 Rg2 20.Ne2 de4 21.Kc2 ef3 22.Rc1 fe2 23.Kb1 d3 24.Ka1 d2 25.Rb1 d1Q 26.Rd1 ed1Q# 0–1. sie – Caissa, Live Game Caissa's Web, 2004.

4.Qa4 b6

5.b5 Bb7 6.f4 Bd6 7.Ba3 Ba3 8.Na3 Ne7 9.fe5 fe5 10.Qg4 0–0 11.Qg5 Rf5 12.Qh4 Rf4 13.Qh3 Ng6 14.d3?? Qf8–+ 15.Nf3 Qa3 16.c4 Qc3 17.Kf2 Qa1 18.g3 Qd4 19.Kg2 Bf3 20.ef3 Qb2 21.Kg1 Rf3 22.Qg2 Qd4 23.Qf2 Qf2# 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

5.e3 Bb7 6.b5 Ne7 7.d4 ed4 8.cd4 Nf5 9.h4 Bb4 10.Bc3 Qe7 11.Bb4 Qb4 12.Qb4= ab4 13.a3 ba3 14.Ra3 Ra3 15.Na3 Ke7 16.Rh3 Re8 17.g4 Nd6 18.g5 Ne4 19.gf6 Nf6 20.f3 d5 21.Rg3 g6 22.Bg2 Kd8 23.Kd2 Nbd7 24.Nh3 Nh5 25.Rg5 Ng7 26.Nf4 Nf5 27.Nc2 Nh4=+ 28.Bh1 h6 29.Rg4 g5 30.Ng2? Nf3–+ 31.Kd3 Nfe5! 32.de5 Ne5 33.Kd4 Ng4 34.Nb4 Re4 35.Kc3 Rc4 36.Kb3 Rc1 37.Ne1 Re1 38.Bd5 Bd5 39.Nd5 Ne3 40.Ne3 Re3 41.Kc2 g4 42.Kd2 Re7 43.Kd3 g3 44.Kd4 g2 45.Kd3 g1Q 46.Kc4 Qe3 47.Kb4 Re4 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

4.ba5 Ra5

5.Qc1 d5 6.Ba3 Ba3 7.Na3 Ne7 8.c4 d4 9.e3 0–0 10.Rb1 Nbc6 11.Rb5 Ra7 12.g3 Bf5 13.Qb2 de3 14.de3 Qa8 15.Rb3 b5! 16.cb5 Na5 17.Rc3?? Qh1 18.Ne2 Bh3 19.b6 Qf1 20.Kd2 Rd8 21.Rd3 Rd3 22.Kd3 Qd1 23.Qd2 Bf5 24.e4 Be4! 25.Ke3 Nf5 26.Ke4 Qd2 27.ba7 Qe2 28.Kf5 Kf7 29.a8Q g6# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

5.Qc1 d5 6.Ba3 Ba3 7.Na3 Ne7 8.c4 d4 9.e3 0–0 10.Rb1 Nbc6 11.Rb5 Ra7 12.g3 Bf5 13.Bh3 Bd3 14.Qb2 Qd6 15.Nc2?? Bc4–+ 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

4.b5 d5

5.Qa4 Nd7 6.Ba3 Ba3 7.Qa3 Ne7 8.g4 0–0 9.d4 Nb6 10.e3 Bg4 11.Nd2 c6 12.bc6 Nc6 13.h3 Bf5 14.f4 ef4 15.ef4 Re8 16.Kd1? Qc7 17.Ne2 g6 18.Bg2 Bc2!! 19.Kc2 Re2 20.Bd5 Nd5 21.Rae1 Ncb4 22.Kd1 Nc3 23.Qc3 Qc3 24.Ke2 Re8 25.Kf1 Qd3 26.Kf2 Qd2 27.Kg3 Re1 28.Re1 Qe1 29.Kf3 Na2 30.d5 Nc3 31.d6 Qe2 32.Kg3 Ne4 33.Kh4 Qh5# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

5.Qa4 Nd7 6.d4 Nb6 7.Qc2 Nc4 8.e3 Nb2 9.Qb2 Bf5 10.Nd2 Qd6 11.h3 Qa3 12.Qa3 Ba3 13.Nb3 Bb2–+ 14.Rd1 Bc2 15.Rc1?? Bb3 16.Rb1 Bc3 17.Ke2 Ba2 18.Rc1 Bb4 19.Rc7 Bc4 20.Kd1 Bf1 21.Rb7 Bg2 22.Rh2 Bf1 23.Rg7 Bb5 24.Rhg2 Nh6 25.de5 fe5 26.R2g5 Nf7 27.Rg8 Rg8 28.Rg8 Bf8 29.f4 ef4 30.ef4 a4 31.Ne2 a3 32.Nc3 a2 33.Na2 Ra2 34.Rg3 d4 35.f5 Ne5 36.f6 Nd3 37.h4 Ba4 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

5.d4 Bg4 6.h3 Bh5 7.g4 Bf7 8.Nf3 h5 9.Bg2 hg4 10.hg4 Rh1 11.Bh1 e4 12.Nfd2 Qd7 13.f3 Qb5 14.Qb3 Qb3 15.ab3 ef3 16.Bf3 Nc6 17.Ba3 0–0–0 18.Bf8 Rf8 19.e4 Re8 20.Kf2 Nge7 21.Na3 de4 22.Be4 Bd5 23.Re1 Rh8 24.Kg3 b6 25.Nf3? Bb3–+ 26.g5 f5 27.Bc2 a4 28.Bd1 Nd5 29.c4 f4 30.Kf2 Ne3 31.Bb3 ab3 32.Nb1?! Na5 33.c5 bc5 34.dc5 b2 35.Ke2 Nb3 36.c6 Rd8 37.Nbd2 Nc1 38.Kf2 Nd3 39.Ke2 Ne1 40.Ne1 Rd2! 41.Kd2 b1Q 42.Ke2 Qd1 43.Kf2 g6 44.Ng2 Ng4 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

5.e3 Be6 6.Nf3 Nd7 7.Be2 Bd6 8.d3 Ne7 9.c4 0–0 10.0–0 c6 11.bc6 bc6 12.Qc2 Rb8 13.Nbd2 h6 14.Rab1 Kh8 15.Rfc1 Bg4 16.Nd4 Be2 17.Ne2 Re8 18.Bc3 Qc7 19.Nf3 Qa7 20.Qd2 Rb1 21.Rb1 Nc5 22.cd5 cd5 23.Qc2 Rc8 24.Qd2 Qa6 25.Ne1 Nc6 26.Rc1 Nb4 27.Bb4 ab4 28.Qb4 Qa2 29.Qg4 Rg8 30.Ng3 Qa3 31.Rd1 Na4 32.Rb1 Qa2 33.Rc1 Qd2 34.Rd1 Qb4 35.Qe6 Nc3 36.Rd2 Qb1 37.Kf1 Ra8 38.Rc2 Ra1 39.Qc8 Bf8 40.Qc3 d4 41.ed4 ed4 42.Qa1 Qa1 43.Rc8 Kg8 44.Ne2 Qb2 45.Rc4 Bb4 46.Nd4 Qb1 47.Ndc2 Bd6 48.Ke2 Kf7 49.Nf3 Qb5 50.Rd4 Qb7 51.Ne3 Qb2 52.Kf1 Qb1 53.Ke2 Qa2 54.Kf1 Qa1 55.Ke2 Qa3 56.Nc4 Qa2 57.Ncd2 Be7 58.Rc4 g6 59.Nd4 Bd6 60.g3 f5 61.f4 Qa5 62.N2f3 Kg7 63.Nc6 Qa2 64.Ke3 Qa8 65.Nfd4 Qa6 66.Ne6 Kf6 67.Ned4 Qb7 68.Ne5 Qe7 69.Rc6 Kg7 70.Ndf3 Qa7 71.d4 Qa5 72.Nc4 Qc3 73.Ke2 Qc2 74.Nfd2 Bb4 75.d5 Qc1 76.Rc7 Kf6 77.Rc6 Kg7 78.Rc7 Kf6 79.Rc6 Kg7 ½–½. Crafty – GnuChess, Kleinschmidt, CT, 1999.

5.e3 g6 6.Nf3 Bd6 7.Bd3?? e4–+ 8.0–0 ed3 (9.Qa4 c5–+; 8...ef3?! 9.Qf3 Nh6 10.h3–+) 0–1. rene822 – Caissa, Live Game Caissa's Web, 2004.

5.Nf3 Bg4 6.h3 Bh5 7.g4 Bg6 8.Bg2 c6 9.bc6 Nc6 10.Qb3 Qd7 11.a4 Bc5 12.d4 Ba7 13.de5 fe5 14.c4 d4 15.Qb5 Bb8 16.Nh4 Nge7 17.Nd2 Bf7 18.Be4 0–0 19.Ba3 Rc8 20.Nf5 Ng6 21.Rb1+/– Ra7 22.Bc5 Ra8? 23.Qb7+– Qb7 24.Rb7 Ra6 25.Nd6 Bd6 26.Bd6 Be8 27.Bd5 Kh8 28.Ne4 Nd8 29.Rc7 Rb8 30.0–0 Ba4 31.Rc5 Rd6 32.Nd6 Nf4 33.e3 Nh3 34.Kg2 Ng5 35.Ra5 Bd7 36.Kg3 d3 37.Rd1 Bc6 38.Rd3 Bd5 39.Rdd5 Ndf7 40.Nf7 Nf7 41.Rd7 Kg8 42.Raa7 Rf8 43.c5 g6 44.Kh4 h6 45.c6 Ng5 46.Rg7 Kh8 1–0. Comet B50 – Doctor? 3.0, 2004.

5.Ba3 Ba3

6.Na3 Ne7

7.Nf3 0–0 =+.

7.h3 0–0 (8.c4 Qd6–/+) 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

7.g3 0–0–/+

8.Bh3 Bh3

9.Nh3 Qd6

10.Qa4 Nd7 11.d4 Nb6 12.Qb3 a4 13.Qb4 Qb4 14.cb4 Nf5 15.de5 fe5 16.Rc1 Rac8 17.e3 d4 18.ed4 ed4 19.0–0 Nd5 20.Nc2 d3 21.Ne3? Nde3 22.fe3 d2 23.Rc3 Ne3!! 24.Rf8 Rf8 25.Re3 d1Q 26.Kg2 Qf1# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.Qa4 Nd7 11.d4 Nb6 12.Qb3 a4 13.Qb4 Qb4 14.cb4 Nf5 15.de5 fe5 16.Rc1 Rac8 17.e3 d4 18.Ke2!? –/+.

10.Qa4 Nd7 11.d4 Nb6 12.Qb3 a4 13.Qb4 Qb4 14.cb4 Nf5 15.de5 fe5 16.Rc1 Rac8 17.e3 d4 18.e4 Nd6–+ 19.Ng5 h6 20.Ne6 Rf3 21.Nb1 Ne4 22.Rc7?? Rc7 23.Nc7 Rf2 24.a3 d3 25.Ne6 Re2 26.Kf1 Nd5 27.Nd8 Ne3 28.Kg1 Re1# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.Qc1 Nd7 11.d4 ed4 12.cd4 Qb4 13.Kf1 Qd4 14.Rb1 Qe4 15.Rg1 Rac8 16.Qe3 Qe3 17.fe3 Nf5 18.Kf2 Ne5 19.Nc2 Ng4 20.Kf3 Nh2 21.Kf4 Rce8 22.Nf2 g5 23.Kf5 Re5# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

10.Qc1 Nd7 11.g4 e4 12.f3 ef3 13.ef3 f5 14.g5 Ne5 15.Ke2 d4 16.Qb2 Qd5?? 17.Rhf1? d3 18.Ke3?? f4! 19.Nf4 Qc5 20.Ke4 Nc4 21.Nc4 Qc4 22.Ke3 Rf4 23.Qb3 Nd5 24.Kf2 Qe4 25.Kg3 Qf5 26.h3 Qg5 27.Kf2 Raf8 28.Ke1 Rf3 29.Rf3 Qg1 30.Rf1 Rf1 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

10.Qb3 a4

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.0–0 Ne6 17.Rc8 Rc8 18.e3 d4 19.Rb1 Nd5 20.Kg2 de3 21.fe3 Ne3?? 22.de3 Rc3 23.Rb2 Ra3 24.Kf3 Rc3 25.Ke4 Kf7 26.Rb4 Rc2 27.Ra4?? Nc5 28.Kf5 g6# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.0–0 Ne6 17.Rc8 Rc8 18.e3 d4 19.f4 de3–+ 20.de3 Rc3 21.Nb1 Re3 22.Kg2 Nd5 23.Rf3 Nef4 24.Nf4 Nf4 25.Kf2 Re2 26.Kg3 Rg2 27.Kh4 g5# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.0–0 Ne6 17.e3 Rc1 18.Rc1 e4 19.Rc3 f5 20.g5 Ng6 21.d3 Ne5 22.Rc2? ed3 23.Rb2?? d2! 24.Rb1 Rc8 25.Nf4 Rc1 26.Rc1 dc1Q 27.Kg2 Nf4 28.ef4 Nd3 29.Kg3 Qg1 30.Kf3 Qf2# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.0–0 Ne6 17.e3 Rc1 18.Rc1 e4 19.Nf4 Nf4–/+ 20.ef4 Ng6 21.f5 Ne5 22.h3 g6 23.Rc7 Rf7 24.Rf7 Kf7 25.Nb1 gf5 26.gf5 Nf3 27.Kf1 d4 28.b6 h5 29.Ke2 Ng1 30.Kf1 Nh3 31.Na3 Ke7 32.Nc4 Kd7 33.a3 Kc6 34.Ke2 Nf4 35.Kd1 h4 36.Kc2 h3 37.Na5 Kb6 38.Nc4 Kc5 39.Nb2 d3 40.Kc3 Nd5# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.0–0 Ne6 17.e3 Rc1 18.Rc1 e4 19.Nf4 Nf4 20.ef4 Ng6 21.f5 Ne5 22.h3 g6 23.Rc7 Rf7 24.Rf7 Kf7 25.Nc2 gf5 26.gf5 Nf3 27.Kf1 d4 28.Nb4 Nd2–+ 29.Ke2 Nf3 30.Nd5 Ng1 31.Kf1 Nh3 32.Nb6 Ke7 33.Na4 Kd6 34.Nb2 Nf4 35.a4 Kc5 36.Ke1 h5 37.Kd2 h4 38.Nd1 h3 39.f3 h2 40.Nf2 e3 41.Ke1 ef2 42.Kf2 h1Q 43.Kg3 Qh3 44.Kf4 Qh4# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.Rc3 Ne4 17.Rc8 Rc8 (18.Kd1 f5 19.gf5 Nf5–/+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.Kd1 Ne6 17.Rc8 Rc8 18.e3 Ng6 19.Nc2 Rc5–+ 20.d4 Rb5 21.Kc1 Kf7 22.Rf1 e4 23.Ne1 a3 24.f3 Ke7 25.fe4 de4 26.Nf4? Ngf4–+ 27.ef4 Rb2 28.d5?? Nd4 29.h4 e3 30.g5 Ne2 31.Kd1 Rd2# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.Kd1 Ne6 17.e3 e4 18.Rf1 Rc1 19.Kc1 f5 20.g5 f4 21.ef4 Nf4 22.Nf4 Rf4 23.h3 Rf3 24.Nc2 Rh3 25.Nd4 Rd3 26.Ne6 b6 27.Nc7 Kf7 28.Na8 Nc8 29.Rg1 Kg6 30.Rg3 Rg3 31.fg3 d4 32.a3? Kg5 33.Kc2 Kf5 34.d3 e3 35.Nc7 Nd6 36.Nd5 Kg4 37.Nb6 Kg3 38.Na4 e2 39.Kd2 Kf2 40.b6 e1Q 41.Kc2 Qe2 42.Kb3 Qd3 43.Kb2 Nc4 44.Kc1 Ke1 45.Nb2 Qc3 46.Kb1 Qb2# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.Rc1 Rac8 14.g4 c5 15.bc5 Nc5 16.Kd1 Ne6 17.e3 e4 18.Nf4 Rc1 19.Kc1 Nf4 20.ef4 f5 21.Rg1 fg4 22.Rg4 Ng6 23.Nb1 Nf4 24.Nc3 Nd3 25.Kc2 Nb4 26.Kb2 Rf2 27.Ka3 Nc2 28.Ka4 Rd2 29.Rg5 e3 30.Re5?? d4 31.Nb1 Rh2 32.Na3 e2 33.Nc2 d3 34.Nd4 d2 35.Re2 d1Q 36.Nb3 Re2 37.Ka5 Ra2 38.Kb4 Rb2 39.Kc5 Rb3 40.Kb6 Qd6 41.Kb7 Rb5 42.Ka7 Qa3# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

11.Qb4 Qb4 12.cb4 Nd7 13.g4 f5 14.f3 fg4 15.fg4 Rac8 16.Rf1 Rf1 17.Kf1 Nf6 18.Nf2 Kf7 19.h3 Rf8 20.Rc1 Ke6 21.d3 Kd7 22.Re1 h5 23.Kg2 hg4 24.Ng4 Ng4–+ 25.hg4 Rf4 26.Nc2 Rg4 27.Kf3 Rf4 28.Kg3 Nf5 29.Kg2 e4 30.Rf1 Nh4 31.Kg1 Rg4 32.Kf2 ed3 33.ed3 Rg2 34.Ke3 Rc2 35.a3 g6 36.Rf2 d4! 37.Kd4 Rf2 38.Ke3 Ra2 39.Kf4 Ra3 40.Kg4 Rd3 41.Kh4 a3 42.Kg5 a2 43.Kg6 a1Q 44.Kf5 Kd6 45.Ke4 Qf1 46.b6 Qf3# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

5.a4 Bf5

6.Ba3 Ba3 7.Ra3 Ne7 8.e3 Qd6 9.Rb3 0–0 10.f3 Nd7–+ 11.g4 Bg6 12.h4 Nc5 13.Rb2 Bd3 14.Bg2 Bc4 15.Bf1 Bf1 16.Kf1 Nd3 17.Rc2 e4 18.Qe2 c6 19.bc6 Qc6 20.Ra2 Nc1 21.Qb5 Qb5 22.ab5 Na2 23.fe4 de4 24.Ne2 f5 25.g5 a4 26.Kg2 a3 27.Na3 Ra3 28.Ra1 Ra4 29.h5 Nc3! 30.Ra4 Na4 31.Nf4 Rd8 32.Kf2 Rd2 33.Ne2 Nc3 34.Ke1 Re2 35.Kf1 Ned5 36.g6 hg6 37.hg6 Ne3 38.Kg1 Rg2 39.Kh1 Ne2 40.b6 Ng3 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

6.Ba3 Ba3 7.Na3 Ne7 8.h3 0–0 9.g4 Be4 10.f3 Bg6 11.h4 Nd7 12.h5 Bf7 13.d4 c5 14.e3 e4 15.Bg2 Qc7 16.Rh3 ef3 17.Bf3 Rfe8 18.Ne2 Nc8 19.Kf2 Nd6 20.Ng3 cd4 21.cd4 Qc3 22.Qc1 Re3! 23.Qc3 Rc3 24.h6 g5 25.Kg2 Rd3 26.Nf5 Nf5 27.gf5 Rc8 28.Bh5 Rd2 29.Kf1 Bh5 30.Rh5 Rd4 31.Nb1 Rc1 32.Ke2 Rb4 33.Rh3 Rb2 34.Kd3 Rbb1 35.Rb1 Rb1 36.Kd4 Nb6 37.Ra3 Rc1 38.Ra2 Rc4 39.Kd3 Kf7 40.Rc2 Rc2 41.Kc2 g4 42.Kd2 g3 43.Ke2 d4 44.Kf3 d3 45.Ke3 g2 46.Kd3 g1Q 47.Ke4 Qg3 48.Kd4 Qf3 49.Kc5 Qe3 50.Kd6 Qe5 0–1. rum – Caissa, Live Game Caissa's Web, 2004.

6.d3 Nd7 7.Ba3 Ba3–/+ 8.Ra3 Nh6 9.f3 0–0 10.g4 Be6–+ 11.Qd2 c6 12.Bh3 Nf7 13.d4 Nd6 14.Qd3 cb5 15.ab5 e4 16.fe4 de4 17.Qc2? Nb5 18.Ra1 Nd6 19.Nd2 e3 20.Ne4 Ra6 21.g5 Bd5 22.Bg2? fg5 (23.h4 Ne4 24.Be4 Nf6 25.Bd5 Qd5–+ (25...Nd5?! 26.hg5 h6 27.Nf3–+); 22...f5!? 23.Nd6 Bg2 24.Qb3 Kh8 25.Nf7 Rf7 26.Qf7 Bh1 27.Nh3–+) 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

6.d3 Nd7 7.Ba3 Ba3–/+ 8.Ra3 Nh6 9.f3 0–0 10.g4 Be6 11.h4 d4 12.c4 Qe7 13.Bh3 Qb4 14.Kf2 Nc5 15.g5 fg5 16.Be6? Ne6 17.hg5 Ng4 18.Kg3 Ne3 19.Qc1 Qe7 20.Nh3 Ng5 21.Ng5 Qg5 22.Kf2 Qg2 23.Ke1 Qh1 24.Kd2 Qg2 25.Rb3 Rf3 26.b6 Rf1 27.Qf1 Qf1 28.Nc3 cb6 29.Rb6 dc3 30.Kc3 Qc1 31.Kb3 Qb1 32.Kc3 Qc2# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

6.d3 Nd7 7.Nd2 Be6 =+.

6.d3 Nd7 7.Nd2 Ne7 =+.

6.e3 Bd6 7.c4 =.

6.e3 g6 7.f3 h5 8.Be2 c6 9.g4 hg4 10.fg4 Be4 11.Bf3 f5–+ 12.gf5 Qh4 13.Ke2 Bf5 14.Qe1 Qc4 15.Kf2 cb5 16.ab5 Qb5 17.Ba3 Nf6 18.Bf8 Rf8 19.Na3 Qd7 20.Ne2?! Bg4 21.Qg1 Ne4 22.Ke1 Rf3 23.Rb1 Nf2 24.c4 Nd3 25.Kd1 Rf2 26.cd5 Qa4 27.Rb3 Qb3 28.Nc2 Be2# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

3.c3 d5

4.a4 Bf5 5.a5 Bd6 6.e3 Ne7 7.Bb5 c6 8.Ba4 0–0 9.Nf3 Bd3 10.Bb3 Nd7 11.Na3 e4 12.Ng1 Qc7 13.Nc2 f5 14.g3 Ne5 15.Nd4 Bc4 16.Bc2 Qd7 17.Qh5 Nd3 18.Bd3 Bd3 19.Nh3 Rf6 20.Nf4 Bf4 21.ef4 Re8 22.Qd1 Rh6 23.Qb3 Rh3 24.0–0–0 b6 25.a6 c5 26.Nc2 Ba6 27.Ne3 cb4 28.Qb4 Rc8 29.Qd4 Be2 30.Rde1 Bf3 31.c4 Nc6 32.Qd5 Qd5 33.Nd5 Bh1 34.Rh1 Kf7 35.d4 ed3 36.Kd2 Na5 37.Kd3 Nc4 38.Bc3 a5 39.Re1 Rh2 40.Re7=+ Kg6?? 41.Rg7+– Kh6 42.Rg5 Rg8 43.Rg8 Ne5 44.Be5 Rf2 45.Rg5 Rf3 46.Kd4 Rf4 47.Nf4 b5 48.Rh5# 1–0. NN – SuperConstellation4, 1988.

4.d3 Bd6 5.e4 c6 6.a3 Ne7 7.c4 0–0 8.g4 Be6 9.Nd2 a5 10.ed5 cd5 11.c5 Bc7 12.b5 Qd7 13.b6 Bd8 14.Be2 Ng6 15.h4 Na6 16.d4 e4 17.Nf1 f5=+ 18.g5 f4 19.Bh5 Ne7–/+ 20.Be2 Nb8 21.Qb3 Nbc6 22.0–0–0 a4 23.Qc3 Na5 24.Qb4 Nc4 25.Qc3? Nb6!–+ 26.Nd2 Nbc8 27.Ne4? de4 28.Bb5 Qd5 29.Ne2 Nd6! 30.cd6 Rc8 31.de7 Be7 32.Ba4 f3 33.Qc8 Rc8 34.Nc3 Ba3! 35.Kd2 Qc4 36.Ba1 Bb4 (36...Bb4 37.Ke3 Bc3 38.Bc3 Qc3 39.Ke4 Qc4–+) 0–1. Viloria,Daniel (1950) – Barros,Raul (2220), ATL–ch Barranquilla, 1999.

4.d3 Be6 5.Nd2 Nd7 6.g3 Ne7 7.Bg2 c6 8.Ngf3 Ng6 9.a4 a5 10.b5 cb5 11.ab5 Qb6 12.c4 dc4 13.dc4 Bb4 14.Ba3 Ba3 15.Ra3 0–0 16.0–0 Rfd8 17.Qc2 Qc7 Attacks the backward pawn on c4 18.Rfa1 Ra7 19.Qc3 b6 20.Rc1 Nc5 21.Ne1 Ne7 22.Nd3 f5 (22...Nd3 23.ed3 Nf5 24.Re1+=) 23.Nf3 (better is 23.Ne5 Rd2 24.Qd2 Qe5 25.Qd8 Kf7 26.Qb6+/–) 23...e4+= 24.Nc5 Qc5 (worse is 24...bc5 25.Ng5 Bd7 26.Rca1+/–) 25.Ng5 Bc8 26.Qe3 (26.Raa1 a4+=) 26...Rc7 27.Qc5 Rc5 28.f3 h6 29.Nh3 ef3 30.Bf3 Rd4 (30...Be6 31.Nf4 Rc4 32.Re1–/+) 31.Re3 (better is 31.Nf4!?+=) 31...Kf7–+ 32.Nf4 Rdc4 33.Rc4 Rc4 34.Nd5 Rc1 35.Kf2 Nd5 36.Bd5 Kf6 37.Re8 Rc7 38.Rf8 Ke5 39.Bc6 Bd7 (39...a4!? 40.Re8 Kd4 41.Rd8 Kc5–+) 40.Rf7–/+ Kd6 (40...Bc6?! 41.Rc7 Bb5 42.Re7 Kd4 43.Rg7=) 41.Rg7? (41.Bd7 Rd7 42.Rf5–+) 41...Bc6–+ 42.Rg6 Kc5 43.bc6 Rc6 44.Rg8 a4 45.Rf8 a3 46.Rf5 Kb4 47.Rd5 a2 48.Rd1 Kb3 0–1. Martinez Pastor,Francisco – Ortega Morales,Pedro (1890), Madrid–ch Veterans, 2009.

4.d4 Nc6 5.Qd3 Be6 6.b5 Na5 7.Qf3 Nc4–/+ 8.a4?? Nb2 0–1. speeders – mmisra (2275), net–chess.com, 2004.

4.d4 e4 5.f4 Bd6 6.e3 Nd7 7.Bb5 c6 8.Ba4 Nb6 9.Nh3 Ne7 10.0–0 Bh3 11.gh3 Na4 12.Qa4 Qd7 13.Kg2 Nf5 14.Nd2? Ne3 15.Kf2 Qh3 16.Rg1 Bf4 17.Rae1 Qh2 18.Rg2 0–1. Hoops253 – Ramin (1970), ChessWorld.net, 2003.

4.d4 Be6 5.Qd3 Nd7 6.de5 fe5 7.Nf3 e4 8.Qe3 Bd6 9.Nd4 Bf7 10.Nd2 Nh6 11.Qh3 Qg5 12.e3 Ng4 13.Be2 Ndf6 14.a3 0–0 15.c4 c6 16.Rb1 Rac8 17.cd5 Bd5 18.Nc4 Bc4 19.Bc4 Nd5 20.Bd5 cd5 21.Rf1 Rf6 22.Nf3 ef3 23.Bf6 Qf6 24.Rd1 Qc3 25.Rd2 Qa1 26.Rd1 Rc1 27.Qh7 Kh7 28.gf3 Qc3 (28...Qc3 29.Ke2 Rc2 30.Rd2 Qd2) 0–1. Comet B25 – Fritz 8, 2003.

4.e3 a5 5.b5 Bf5 6.c4 c6 7.d4 cb5 8.Bd3? Bd3–+ 9.Qd3 bc4 10.Qe2 Bb4 11.Nc3 Ne7 12.Nf3 Nbc6 13.0–0 0–0 14.a3 ed4 15.ed4 Bc3 16.Bc3 b5 17.Rab1 Qb6 18.Qe6 Kh8 19.Rb2 Rab8 20.Rfb1 Qa6 21.Re1 Qb6?? 22.Reb1 Rfe8 23.Qf7 Qd8 24.Rb5–/+ Rb5 25.Rb5 Qa8 26.Ba5 Na5 27.Ra5 Qa5 28.Qe8 Ng8 29.a4 Qb6 30.Qb5 Qa7 31.h3 Qa8= 32.a5 Ne7 33.a6 h6 34.Qb7+/– Qb7 35.ab7 Nc6 36.Ne1 Kg8+= 37.Nc2 Kf7 38.Nb4! Nb8 39.Nd5 Ke6 40.Ne3 c3 41.Kf1 ½–½. Hecker,K – Roth,H, corr TT/5001 BdF, 1995.

4.e3 c5 5.bc5 Bc5 6.Bb5 Nc6 7.Nf3 a6 8.Bc6 bc6 9.d4 ed4 10.cd4= Bb4 11.Nc3 Nh6 12.0–0 Bg4 13.h3 Bh5 14.g4 Ng4 15.a3 Qd7?? 16.ab4+– Ne5? 17.de5 Qh3= 18.ef6?? Bf3–+ 19.Qf3 Qf3 20.fg7 Qg4 21.Kh2 Qg7 22.Rg1 Qc7 23.Kg2 Rg8 24.Kf1 Rf8 25.Re1 0–0–0 26.Ne2 Qf7 27.f4 –+. mwojo (1745) – malaysianisme, net–chess.com, 2004.

4.e3 Bd7 5.d4 Ne7 6.de5 fe5 7.Qh5 Ng6 8.Nf3 Qf6 9.Nbd2 Be7 10.c4+= 0–0 11.a3 a5 12.ba5 c6 13.a6 Na6+= 14.cd5 cd5 15.Ba6 Ra6=+ 16.Be5 Ne5 17.Qe5 Qe5 18.Ne5 Bf5 19.0–0 Bd6 20.f4 Ra3 21.Ra3 Ba3 22.Nb3 Rc8 23.Ra1= Bb2 24.Ra5 Be4 25.g3 Bc1 26.Nc1 Rc1 27.Kf2 Rc2 28.Ke1 h5 29.Ra8 Kh7 30.Rb8 Rh2 31.Nf7 Rg2 32.g4 hg4 33.Ng5 Kg6 34.Ne4 de4 35.Rb7 g3 36.Rb5 Kh6 37.Rg5 Rg1 38.Kd2 Kh7 39.Ke2 Kg8 40.Re5 Rg2 41.Kf1= Rd2 42.Re4 g2 43.Kg1 Rb2 44.Re5 Re2 45.Rf5 Re3 46.Kg2 Rb3 47.Kf2 Ra3 48.Rg5 Kf7 49.Rg3 Ra4 50.Ke3 g6 51.Rg5 Kf6 52.Rc5 Ra3 53.Ke4 Ra4 54.Kf3 Ra1 55.Rc8 Rf1 56.Ke4 Re1 57.Kf3 Rf1 58.Ke4 Re1 59.Kf3 ½–½. Comet B25 – Comet B50, 2004.

4.e3 e4 5.d3= Bf5 6.de4 Be4 7.Nd2 Nc6 8.Ne4+= de4 9.Bb5 Qd1 10.Rd1 Rd8 11.Rd8 Kd8 12.Bc6 bc6 13.Ne2 Ne7 14.Ng3 f5 15.Ke2 Kc8 16.Rd1 g6 17.c4 Rg8 18.Bf6 h6 19.f3 ef3 20.gf3 c5 21.b5 c6 22.Be7 Be7+/– 23.bc6 Bd6?? 24.Rd6+– Kc7 25.Re6 1–0. Wall,Bill – CBC, Microsoft Gaming Zone, 1999.

4.e3 Ne7 5.Bb5 Nbc6 6.Qh5 g6 7.Qf3 Bg7 8.Ne2 Bd7 9.Na3 0–0 10.0–0=+ h5 11.h3 a6 12.Bc6 Bc6 13.d4 Nf5 14.Rab1 e4 15.Qf4 Bh6 16.Qh2 Bb5 17.Nb5 ab5 18.a3 c6 19.Rfe1 Kf7 20.Nf4 Nd6 21.Ra1 Bf4 22.Qf4 Nc4 23.Reb1 Rh8 24.Qg3 Ra4 25.Ra2 Qe7 26.Rba1 Rha8 27.Bc1 Qd8 28.Qf4 Kg7 29.Kh1 b6 30.Kg1 R4a7 31.Qg3 g5 32.h4 Kh6 33.Qh3 Qd6 34.Qf5 Rg8 35.a4 gh4 36.ab5 Rag7 37.f3 Rg5 38.Qh3 Qg3 39.Qg3 Rg3 40.bc6 h3 41.fe4 de4 42.d5 Ne5 43.Kh1 hg2 44.Rg2 Rg2 45.Ra5 Rg1 46.Kh2 Nf3 47.Kh3 R8g3 0–1. Comet B50 – Comet B25, 2004.

4.Nf3 a5 5.a3 Bd6 6.d4 e4 (6...e4 7.Nfd2 ab4 8.cb4 f5+=). Bourassa,Francois – James,Michael, QE.2004.0.00083, 2004.

4.Nf3 c5 5.bc5 Bc5 6.d4 Bb6 7.de5 Bf2=+ 8.Kf2 Qb6 9.e3 Qb2 10.Nbd2 Nh6 11.ef6 Ng4 12.Kg3 0–0 13.fg7+= Kg7 14.e4 Qc3 15.Qc1 Qe3 16.Qc7 Rf7 17.Qc8 Qf4 18.Kh4 Nf2 19.g4 Qf6 20.g5 Qa1 21.Rg1 Ne4 22.Ne4 de4 23.Bc4 Qc3 24.Ne5?? Qe5–+ 25.h3?? Qc7 26.Qe6 Rf4 27.Rg4 0–1. Comet B50 – Fritz 5.32, 2004.

4.Nf3 Bg4 5.h3 Bf3 6.ef3 Bd6 7.d4 Ne7 8.de5 fe5 9.Bd3 0–0 10.Qc2 e4 11.Bb5?? c6 12.Be2–/+ ef3 13.Bf3 Nf5 14.0–0 Nd7 15.Re1 Ne5 16.Nd2 Nc4?? 17.Nc4+/– dc4 18.Qe4 Qg5 19.Be2 Nh4 20.g3?? Bg3!–+ 21.Bc4 Kh8 22.fg3?? Qg3 23.Kh1 Qh3 24.Kg1 Nf3 25.Qf3 Qf3 26.Re2 Qg3 27.Rg2–+ Qe3 28.Kh1 Rad8 29.Rag1 Qf3 30.Be2 Qh3 31.Rh2 Qh2 32.Kh2 Rf2 33.Kg3 Re2 34.Ba1 Rd3 35.Kf4 h6 36.c4 Rf2 37.Ke4 Rd7 38.a4 Re2 39.Kf5 Rf7 40.Kg6 Rf6 41.Bf6–/+ gf6 42.Rd1 Re8 43.Kf6 h5 44.Rh1 Rf8 45.Kg5 Rg8 46.Kh5 Rg3 47.Re1 Kg7 48.Re4 Kf6= 49.Rf4 Ke5 50.Rf7 Rh3 51.Kg4 Rc3 52.Re7 Kd6=+ 53.Rb7 Rc4 54.Kf3 Rc3 55.Ke4 a6 56.Rb6 a5 57.ba5 Rc4 58.Kd3 Ra4 59.Ra6 Kc7 60.Kc3 Kb7 61.Kb3 Ka6 62.Ka4 c5 63.Kb3 c4 64.Kc4 Ka5 ½–½. pierred – Graffi, Friendly Game, 5m + 0s, 2003.

4.g3 Bd6 5.Bg2 Ne7 6.d3 Nbc6 7.Nf3=+ Be6 8.0–0 Qd7 9.a3 0–0–0 10.b5 Na5 11.a4 a6 12.ba6= b6 13.Na3 Kb8 14.Nb5+/– e4 15.Nfd4 ed3 16.ed3 h5 17.Ne6 Qe6 18.Re1 Qd7 19.Qf3 Nb3 20.Rad1 Nc5? 21.a7 Kb7 22.c4 Na4? 23.Bd4 Bb4 24.Re2 Nc6? 25.cd5+– Na7?? 26.Na7 Ka7 27.Ra1 Ka6 28.Rea2 b5 29.d6 cd6? 30.Ra4! ba4 31.Ra4 Ba5 32.Qd5 Qb5 33.Qf7 Rd7 34.Qa2 Rc7 35.Be3 Rhc8 36.Bd2 Rc1 37.Bc1 Rc1 38.Bf1 Kb6 39.Kg2 Rb1?? 40.Ra5!+– Qb4 41.d4 Rb2 42.Ra6 Kb7 43.Qf7 Kb8 44.Qa7 Kc8 45.Rc6 Kd8 46.Qc7 Ke8 47.Qc8 Kf7 48.Rc7 Kg6 49.Bd3 (49.Bd3 f5 50.Qf5 Kh6 51.Qg6#) 1–0. mic (2120) – roadrunner (2085), net–chess.com, 2007.

4.d4 ed4

5.cd4 Bb4–/+ 6.Bc3 Bc3 7.Nc3 c6 8.e4 Qe7 9.Be2 de4–+ 10.d5 Qb4 11.Rc1 Bf5 12.dc6 Nc6 13.Kf1 Nge7 14.Nb5 0–0 15.Nc7 Rad8 16.Qc2 Rd2 17.Bc4 Kh8 18.Qb3 Qc5 (18...Qc5 19.Qe3 Qe3 20.fe3 Rc8–+) 0–1. Stoot – ChessNo1, ChessWorld.net, 2005.

5.Qd4 Nc6 6.Qe3 Qe7 7.Qf4 Qd6 8.Qh4 Bd7 9.Na3 0–0–0 10.Nb5 Qe6 11.Nf3 Qg4 12.Qg4 Bg4 13.0–0–0 Nge7 14.e3 Ng6 15.Be2 Nh4 16.Rhg1 Nf3 17.Bf3 Bf3 18.gf3 Kb8 19.f4 Rg8 20.Rg3 f5 21.Rh3 Rh8 22.Rg1 Rd7 23.Rg5 Rf7 24.Rhh5 Ne7 25.Kc2 h6 26.Rh4 hg5 27.Rh8 Ng6 28.Rg8 gf4 29.ef4 Nf4 30.Nd4 Ng6 31.Ne6+/– Kc8 32.c4 Kd7 33.cd5 Bb4 34.Rb8 b6 35.Rd8 Ke7+= 36.Rg8 Kd6= 37.Rg7 Rg7 38.Ng7 Kd5 39.Nf5 Ke4 40.Nd4 c5 41.Nc6 a5 42.Nb4 ab4 43.Bc1 b5 44.Kb3 Ne5 45.Be3 Nd3?? 46.Bc5+– Nc5 47.Kb4 Ne6 48.Kb5 Nd4 49.Kb6 Nf3 50.a4 Nh2 51.a5 Kd5 52.a6 Ng4 53.f3 Nf6 1–0. Comet B25 – EXchess 3.11, 2004.

5.Qd4 Nc6 6.Qe3 Be7 7.Nf3 Nh6 8.b5 Na5 9.Ba3 Nf5 10.Be7 Ne7 11.Qc5 a6 12.ba6 b6 13.Qd4 Ba6 14.Na3 0–0 15.Qg4 Qd6 16.Nc2 Qc6 17.Qb4 Rfe8 18.Ncd4 Qd7 19.e3 c5–+ 20.Qb6 Bf1 21.Kf1 cd4 22.Nd4 Nc4 23.Qb5 Qc7 24.Nb3 Qe5 25.Nd4 Reb8 26.Qd7 Rb2 27.Kg1 Nb6 28.Qg4 Raa2 29.Qd1 Rf2 30.Ra2 Ra2 31.Qe1 0–1. Comet B25 – Crafty 19.01, 2004.

5.Qd4 Nc6 6.Qe3 Be7 7.Nf3 Nh6 8.b5 Ng4 9.Qf4 Nce5 10.Nbd2 Bd6 11.Qd4 Be6 12.h3 Nf3 13.ef3 Ne5 14.f4 Ng6 15.f5 Bf5 16.Qd5 Bf4 17.Qd8 Rd8 18.0–0–0 Be6 19.c4 c6 20.bc6= bc6 21.g3 Bd2 22.Rd2 Kf7 23.Bd3 Rhe8 24.f4 Ne7 25.Bh7 Rd2= 26.Kd2 f5 27.g4 Bc4 28.Bd4 Rd8 29.Kc3 Ba2 30.Bf5 Nd5 31.Kb2 Nf4 32.Be3 Bd5 33.Ra1 Nh3 34.Ra7 Kg8 35.Kc3 Re8 36.Bd4 Bf7 37.Bh7 Kh7 38.Rf7 Kh6 39.Rg7 c5 40.Bf6 Re6 41.g5 Ng5 42.Rg5 Rf6 43.Rc5 Rd6 44.Kc4 Kg6 45.Re5 Rd1 46.Rb5 Kf6 47.Rh5 Ke6 48.Rh8 Ke5 49.Re8 ½–½. Comet B25 – Fritz 5.32, 2004.

4.e3 c6

5.a3 Be6 6.d4 Nd7 7.Nd2 Bd6 8.c4 Ne7 9.e4 0–0 =+.

5.Na3 Bd6 6.Nf3 Ne7 7.Be2 0–0 8.0–0 a5 9.b5 e4 =+.

5.a4 Bf5 6.Ne2 Bd6 7.Ng3 Be6 8.Bd3 Nh6 9.0–0 a5 =+.

5.b5 a6 6.bc6 Nc6 7.a3 Be6 8.d4 Bd6 9.Nd2 Nge7 (9...Rc8–/+). Olechno – Martello, corr 3GMM–37, 1996.

5.d3 Be6 6.Nf3 a5 7.a3 Bd6 8.Be2 Ne7 9.Nbd2 0–0 =+.

5.Bd3 Nh6 6.a3 Bd6 7.Qh5 Nf7 8.c4 g6 9.Qh4 a5 =+.

5.d4 Bd6 6.a3 a5 7.de5 fe5 8.c4 Nf6 9.c5 Bc7 =+.

5.Be2 Nh6 6.Nf3 Bd6 7.d3 0–0 8.0–0 Be6 9.Qb3 Na6 =+.

5.Ne2 a5 6.a3 Bd6 7.Ng3 Be6 8.Be2 Ne7 9.0–0 0–0 =+.

5.Nf3 Bg4 6.h3 Be6 7.Be2 Bd6 8.0–0 Ne7 9.d3 a5 =+.

5.Qh5 g6 6.Qd1 Bd6 7.Be2 Ne7 8.d3 0–0 9.Nf3 Qb6 =.

4.e3 Nc6

5.Bb5 a6 6.Bc6 bc6 7.d4 ed4 8.Qd4 Bd6 9.Nf3 Ne7 10.0–0 0–0 11.Rd1 Rb8 12.Qa7 Rb6 13.a4 c5 14.bc5 Rb7 15.Qa8=+ Rb2 16.cd6 Qd6 17.Rd2 Qb6–+ 18.Na3 Rd2 19.Nd2 Qb2 20.Rd1 Qa3 21.Qa7 Qa4 22.Rb1 Qc2 23.Qd4 0–1. Comet B50 – Crafty 19.01, 2004.

5.Bb5= Bd7 6.Qe2 a6 7.Ba4 Nge7 8.Bb3 Bf5 9.a4 Be4 10.Nf3= Bf3 11.Qf3 a5 12.b5 e4 13.Qg3 Ne5 14.0–0 Nd3 15.Ba3 c5 16.c4 dc4 17.Bc4 Ne5 18.Be6 Qd6 19.Bb3 Nf5 20.Qh3 Ne7 21.Rd1 f5 22.g3 Nf3 23.Kh1 Qf6 24.Ra2=+ Ng6 25.Rc2 b6 26.Bb2 Nge5= 27.Nc3 Nd3 28.Nd5 Nf2 29.Kg2= Nh3 30.Bf6 Rb8 31.Nc7 Kd7=+ 32.Na6 Rc8 33.Bb2 Nhg5=+ 34.Rdc1 Ke8 35.d4?? ed3–+ 36.Rc4 Ke7 37.Rf4 Nd2 38.Bd5–/+ Nde4 39.Rf5 d2 40.Rcf1 Kd7 41.h4 Ng3? 42.Kg3+– Bd6 43.Kg4 Ne6 44.Rf7 Be7 45.e4 Rhf8+/– 46.Bc6 Kd8 47.Rf8 Bf8 48.Bc3 h5 49.Kh5 Nf4 50.Kg4 Bd6 51.Bd2 Nd3 52.Bg5 Be7 53.Rf8# 1–0. NN – COMP, 1993.

4.e3 Bd6

5.Qb3 Be6 6.Nf3 Ne7 7.c4 e4 8.Nd4 Bg8 9.c5 Be5 10.f4 ef3 11.Nf3 Bb2 12.Qb2 Nd7 13.Be2 b6 14.0–0 bc5 15.bc5 Nc5 16.Qb4 Nd7 17.Qg4 Ng6 18.Nc3 Qe7 19.Bb5 Qd6 20.Qf5 c6=+ 21.Ba4 Nc5 22.Bc2 Be6 23.Qh5 Bf7 24.d4 Qe7 25.Rfe1 Ne5 26.Qh3 Ncd3 27.de5+= Be6 28.ef6 Qf6 29.Qg3 Qc3 30.Bd3 Qd3 31.Nd4 Qe4= 32.Qd6 Bd7 33.Nc6 Rf8 34.Ne5 Rd8 35.Rf1 Rf1 36.Rf1 Qe3 37.Kh1+– Bf5 38.Qc6 Ke7 39.Qc7 Rd7 40.Qb8?? Rd6 41.Qb7 Ke6 42.Qf7 Ke5 43.Qf5 Kd4 44.Qg4 Kc5 45.Qg7 Kc6 46.Qh7 Rd7 47.Qb1 Re7 48.a4 Qd4 49.Qb3 Kd6 50.Rc1 Re8 51.Qb5 Qc4+/– 52.Qc4 dc4+= 53.Rd1 Kc5 54.a5 Kb4=+ 55.Rc1 Ka5 56.Rc4?? Re1 0–1. Comet B25 – Fritz 8, 2004.

5.Qb3 Ne7 6.Nf3 a5 7.Qa4 c6 8.Be2 b5 9.Qb3 ab4 10.cb4 0–0 11.a4 ba4 12.Ra4 Ra4 13.Qa4 Qb6 14.b5 Bd7 15.Nc3 e4 16.Nd4 c5 17.Nb3 c4 18.Nd4 f5 19.Qa8 Nbc6! 20.Na4 Qc7 21.Qa6 Rb8 22.bc6= Bc8 23.Nb5 Ba6 24.Nc7 Bc7 25.Bh5 Nc6 26.f4 Rb4 27.Be8 Bb5 28.Nc3 Rb2 29.Bd7 Nd4 30.Nb5 0–1. Comet B25 – Fritz 6, 2004.

5.Qh5 g6 6.Qh4 Nd7 7.Nf3 e4 8.Nd4 Ne5 9.f4 ef3 10.gf3 a5 11.f4 Nc4 12.Bc4 dc4 13.b5 Qe7 14.Rg1 Bd7 15.Rg6 hg6 16.Qh8 0–0–0 17.Kd1 Bf4 18.Qh4 Bd6–+ 19.a4 g5 20.Qh8 Qe4 21.Na3?? Ba3 22.Kc1 Bd6 23.Qh5 Bg4 24.Qf7 Qd3 25.Ba3 0–1. Comet B25 – Fritz 8, 2004.

4.e3 Be6

5.d3 Bd6 6.Nd2 Ne7 7.Ne2 0–0 8.h4 c5 9.h5 cb4 10.h6 g6 11.cb4 Bb4 12.a3 Bd6 13.g3 Qc7 14.Rc1 Nbc6 15.Bg2 Qb6 16.Rc2 Rac8 17.0–0 Na5 18.Nc3 Rc7 19.Qa1 Rfc8 20.Rfc1 Nb3 21.Nb3 Qb3 22.Qb1? d4 23.ed4 ed4 24.Ne4 Rc2 25.Rc2 Ba3 26.Rc8? Nc8?? 27.Nf6+/– Kf7 28.Nd5?? Qb2–+ 29.Qb2 Bb2 30.Nf4 b5 31.Bb7 a5 32.Kf1 a4 33.Ke1 a3 34.Ne2 a2 (34...a2 35.f4 a1Q 36.Kf2 Nd6–+) 0–1. dtpwaldi – wybitnytalent (1720), internet, 2011.

5.Bd3 Bd6 6.Bc2 a5 7.a3 Ne7 8.d4 0–0 9.Nf3 ab4 10.ab4 Ra1 11.Ba1 e4 12.Ng1 Nd7 13.Ne2 f5 14.Ng3 f4 15.ef4 Rf4 16.Qd2 Bf7 17.Bb2 Nf6 18.Bc1 Qe8 19.Qe3? Ng4–/+ 20.Qe2 Rf2 21.Qg4 Rc2 22.0–0 Ra2 23.Bh6 Ng6 24.Nf5 Bf8 25.Be3 Be6 26.Nd2 Qc6 27.Nb1 Bd6 28.Nh6–/+ Kh8 29.Nf7 Bf7 30.Rf7 Kg8 31.Rd7? Be7 32.Nd2 Qc3 33.Qe6 Kh8 34.Nf1 Qc2 35.Bd2–/+ Bb4?? 36.Rf7 Nf8?? 37.Qg4 g6 38.Bb4 Ne6 39.Qh3 h5 40.Qg3 g5 41.Kh1?? Kg8 42.Re7 Qc4 43.Re8 Kh7 44.Re7 Kg8 45.h4?? Qf1–+ 46.Kh2 Qf6 47.hg5 Qd4?? 48.Bc3 Qf2–/+ 49.Qf2 Rf2 50.Re6 c5 51.Kg3 Rc2 52.Be5 b5?? 53.g6+– h4 54.Kh3 Rf2 55.g7 Kf7 56.Re8!! Ke8 57.g8Q Ke7 58.Qh7 Ke6 59.Qc7 Rd2 60.Qd6 Kf7 61.Qd7 Kf8 62.Bd6 Kg8 63.Qe6 Kh7 64.Qf7 Kh6 65.Bf4# 1–0. NN – SuperConstellation4, 1987.

5.d4 Bd6 6.Nd2. Del Haro,Daniel – Vazquez,Jose Maria, Friendly UECC Email, 1999.

5.d4 Bd6 6.Bd3 Ne7 7.Ne2 Nd7 8.0–0 a5 9.ba5 c5 10.Na3 c4=+ 11.Nb5 Bb8 12.Bc2 Ra5 13.a4= 0–0 14.e4 de4 15.Ba3 f5–/+ 16.Rb1 Rf6 17.Nd6 Bd6 18.Bd6 ed4 19.Nd4 Bd5 20.Bb4 Ra8 21.Qh5 Qe8=+ 22.Qe2 Ng6 23.Qd2 Nde5 24.Nf5=+ Qe6 25.Nd6? Nh4–+ 26.Rfd1?? Nhf3! 27.gf3 0–1. Lindberg,Rune – Sorensen,Paul, MCO, 1996.

5.Nf3 Bd6 6.d3 Nh6 7.h3 Nd7 8.Nbd2 c5 9.a3 0–0 10.e4 de4 11.Ne4 Be7 12.d4 (12.Be2 Nf7+=) 12...ed4–/+ 13.cd4 c4 (better is 13...cb4 14.Bb5 Bd5–/+) 14.d5= Bf5 15.d6 Be4 16.Bc4 Kh8 17.de7 Qe7 18.0–0 Nb6 19.Bb3 Bg6 (19...Rad8!? 20.Qe2 Rfe8+=) 20.Re1+/– Qd8 21.Nd4 Bf7 22.Bc2 Re8 23.Qd3 Bg6 24.Qd1 (24.Re8 Qe8 25.Qf3 Bc2 26.Nc2 Rc8+=) 24...Bc2 25.Qc2 Rc8 26.Re8 Qe8 27.Qb3 Qe4 28.Nb5 a6 (better is 28...Qe2!? 29.a4 Nf5+=) 29.Nd6+/– Qc2 30.Nf7?? (better is 30.Qc2 Rc2 31.Bc1+/–) 30...Nf7–+ 31.Qf7 Qb2 32.Re1 h6 33.Re8 Re8 34.Qe8 Kh7 35.Qe4 f5! 36.Qf5 g6 37.Qc5 Nd7 38.Qd5 Qa1 39.Kh2 Qe5 40.Qe5 Ne5 41.Kg3 Kg7 42.f4 Nc4 43.a4 Nb2 44.a5 Nd3 45.b5 ab5 46.Kf3 b4 47.Ke3 Nc5 48.Kd4 b3 49.Kc3 Kf6 50.g4 h5 51.Kb2 hg4 52.hg4 Ke6 53.Kc3 Kd5 54.Kb2 Ke4 55.f5 gf5 56.g5 Ke5 57.Kc3 f4 58.g6 Kf6 59.Kb4 f3 60.g7 Kg7 61.Kc5 b2 (61...b2 62.Kd4 f2 63.Ke4 b1Q 64.Ke3 f1Q 65.Kd4 Qfd3 66.Ke5 Qe1 67.Kf4 Qeg3) 0–1. Sebasti,A – Marta,Daniele, Academia Cup op, 1996.

4.e3 Bf5

5.Qa4 Qd7 6.Bb5 Nc6 7.Nf3= Bg4 8.Bc6 Qc6 9.Qc6 bc6 10.Nh4 c5–/+ 11.h3 Bd7 12.bc5 Bc5 13.Ba3 Ba3 14.Na3 e4 15.g3 0–0–0 16.Rb1=+ Ne7 17.Ng2 Ng6 18.c4 dc4–/+ 19.Nc4 Rhe8 20.Na5 Ne5 21.Nf4 Ba4 22.Ke2 Bc2 23.Rb2 Bd3 24.Nd3 Rd3 25.Rc1 Rd5= 26.Rb7 Ra5 27.Rcc7 Kd8 28.Rg7 Rc5 29.Ra7 h5 30.Rh7 Nd3 31.a4 Nc1= 32.Kf1 Nb3 33.Ke1 Nc1 34.Ra8 Rc8 35.Rc8 Kc8 36.Rh5 Nd3 37.Ke2 Kd7 38.f3+/– Nc1 39.Kf2 Nd3 40.Kf1 Nb2 41.Rd5 Kc7 42.Rf5 ef3 43.Rf6 Nc4 44.Ke1 Rh8 45.h4 Ne5 46.Kf1 Rb8+/– 47.Rf4 Rb1 48.Kf2 Nd3 49.Kf3 Nf4 50.Kf4 Kd6 51.h5 Rf1 52.Kg5 Rg1 53.g4 Ra1 54.Kf5 Ra4 55.g5 Ra5 56.Kf6 Re5 57.g6+– Rh5 58.g7 Rh3 59.g8Q Rf3 60.Kg7 Rg3 61.Kf8 Rg8 62.Kg8 Ke5 63.Kg7 Ke4 64.d4 Kd5 65.Kf7 Kc4 66.Ke6 Kb5 67.e4 Kc4 1–0. Comet B50 – EXchess 3.11, 2004.

5.Bb5 c6 6.Ba4 b5 7.Bb3 Bd6 8.Ne2 Bb1 9.Rb1= c5?? 10.Bd5+– cb4 11.Ba8 bc3 12.Bc3 a6 13.Bd5 Qd7 14.Qb3 Nc6 15.Bg8 Ke7 16.Bd5 g5 17.0–0 h6 18.Rfe1 h5 19.h3 g4 20.h4 f5 21.Nf4! ef4 22.ef4 Kd8 23.Be6 Qe7 24.Bf5 Re8 25.Re7 Ke7 26.Qe6 Kf8 27.Qd6 Ne7 28.Qf6 Kg8 29.Qg7 1–0. I need chocolate... – maz_manchester, ChessWorld.net, 2005.

4.Nf3 Bd6

5.e3 Ne7 6.Na3 a5 7.Qa4 c6 8.b5 0–0 9.Be2 e4 10.Nd4 c5 11.Nb3 Nd7 12.Nb1? Nb6–+ 13.Qa3 c4 14.Nc5 Qc7 15.Bc1 Bc5 16.Qb2 0–1. Comet B50 – Fritz 8, 2004.

5.e3 Ne7 6.Na3 a5 7.Qa4 Bd7 8.Nb5 e4 9.Nfd4 0–0 10.Be2 Nbc6 11.Nc6 Bc6 12.ba5 b6 13.a6 Qd7 14.h3 Be5 15.Ba3 Bb7 16.Be7 Qe7 17.Nd4 Qf7 18.Rb1 f5 19.g3 Bc8 20.h4 Bd6 21.Rb3 Ra7 22.Nc6 Bd7 23.Bb5 Raa8 24.Nd4 Bb5 25.Rb5 Bc5 26.Rb2 Bd4 27.cd4 Ra7 28.Qc6 Ra6 29.a4 Rfa8 30.Rb4 Kh8 31.0–0 f4 32.ef4 Ra5 33.Rc1 R5a7 34.Rc3 Qh5 35.Kg2 Qf5 36.Rb5 Rd8 37.a5 ba5 38.Qc5 Raa8 39.Ra5 Rac8 40.Qc6 Qh5 41.Rca3 Rb8 42.Qc7+/– Re8 43.Qd7 Red8 44.Qe6+/– Qd1 45.Rd5 Re8 46.Qf7 Rf8 47.Qe7 Rfe8 48.Rb5 Rbc8 49.Qf7 Rf8 50.Qb7 Rc1–+ 51.Kh3 h5 52.Rh5 Qh5 53.Qe4 Rcc8 54.Re3 Qd1 55.d3 Rfd8 56.f3 Qf1 57.Kg4 Rb8 58.Qg6? Qc1 59.Re7=+ Qc8 60.Kg5 Rd5 61.f5 Qf8 62.Rf7 Qg8 63.Re7 Rf8 64.Re4 Rff5 65.Qf5 Rf5 66.Kf5 Qf7 67.Kg4 Qb3 68.Re5 Qc3 69.Rh5 Kg8 70.d5 g6 71.Rg5 Kf7 72.h5 gh5 73.Rh5 Ke7 74.Rg5 Kd6 75.f4 Qd3 76.Re5 Qh7 77.Rh5 Qg7 78.Rg5 Qd7 79.Kf3 Qh3 80.Ke3 Qf1 81.g4 Qd1 82.Ke4 Kc5 83.Ke3 Qd4 84.Kf3 Qd3 85.Kf2 Kd4 86.Rf5 Ke4 87.Re5 Kf4 88.Re2 Qd5 89.g5 Qg5 90.Rb2 Qg3 91.Kf1 Qd3 92.Kg2 Qe4 93.Kh2 Kf3 94.Rg2 Qf4 95.Kh1 Qc1 96.Kh2 Qh6 97.Kg1 Qh4 98.Rg6 Qd4 99.Kh2 Qb2 100.Kh1 Qb1 101.Kh2 Qg6 102.Kh3 Qg3 0–1. Comet B50 – Fritz 6, 2004.

3.Nc3 Bb4

4.a3 Ba5 5.Na4 Nc6 6.Bc3 Nge7 7.Ba5 Na5 8.Qb1 d5–+ 9.Qb5 c6 10.Qc5 0–0 11.Nf3 b6 12.Qc3 e4 13.Nd4 c5 14.Nb3 d4 15.Qg3 Nac6 16.c3 Be6 17.Rb1 Ne5 18.Qh4 Qe8 19.cd4 Qa4 20.de5 Bb3 21.d3 Qa5# 0–1. cind18 – Caissa, Caissa.com, 2004.

4.Na4 b5 5.e3? ba4–+ 6.Qh5 g6 7.Qf3 Nc6 8.Qe4 d5 9.Qh4 Rb8 10.Rb1 a3 11.Bc1 Bd2! 12.Bd2 Rb1 13.Bc1 Rc1 14.Kd2 Rf1 15.Ke2 Ba6 16.Kf3 f5 17.Qa4 e4 18.Kf4 Qd6 19.Kg5 Qe7 20.Kf4 Qh4 21.g4 Qg4# 0–1. looy – Caissa, Live Game Caissa's Web, 2005.

4.Nd5 Bd6 5.e3 c6–/+ 6.Nc3 Ne7 7.Ne4 Bb4 8.Rb1 0–0 9.c4 d5–/+ 10.Ng3 c5 11.cd5–/+ Nd5 12.Qb3 Be6 13.a3?? Ba5 14.Qb7?? Nc6 15.Qc6?? Re8 16.Ba6 Bc8? 17.Bc4+– h6 18.Bd5 Kh7 19.Qc5 Rb8 20.Qc4 Be6 21.Be6 Qd2 22.Kf1 Rb2 23.Qc1?? Qf2# 0–1. surfnsuds – aliwood, internet, 2005.

4.Nf3 d5 5.d4 c5 6.de5? d4–+ 7.Qd2 dc3 8.Bc3 Qd2 9.Kd2 Bc3 10.Kc3 Nc6 11.ef6 Nf6 12.e3 Ne4 13.Kd3 Nf2 14.Ke2 Nh1 15.g3 Be6 16.Bg2 Ng3! 17.hg3 0–0–0 18.Ng5 Bc4 19.Kf2 Rd2 20.Kf3 Rf8 21.Kg4 Rg2 22.Nh7 Be6 23.Kh4 Rh2 24.Kg5 Rf5 25.Kg6 Ne7 26.Kg7 Rf7 27.Kh8 Rhh7# (27...Rfh7#) 0–1. Administrator – GNUChess, 2000.

4.e4 Nc6

5.Bc4 Bc3 6.Bc3 g6 7.Bg8 Rg8–/+ 8.h4 d5–+ 9.Qf3 d4 10.Bb2 Be6 11.a3 Qe7 12.Ne2 0–0–0 13.0–0? f5–+ 14.d3 Qh4 15.Qg3 Qg3 16.Ng3 f4 (16...f4 17.Ne2 g5–+) 0–1. Kitvis – fretless, internet, 2005.

5.Nf3 Nge7 6.Bc4 Na5 7.Be2 0–0 8.0–0 d5 9.d3 d4 10.Nd5? Nd5–+ 11.ed5 Qd5 12.Rc1 Qa2 13.Rb1 Nc6 14.c3 dc3 (15.d4 cb2–+) 0–1. rene822 – Caissa, Live Game Caissa's Web, 2004.

3.c4 Bb4–/+

4.a3 Ba5 5.e3 =+.

4.a3 Bc5 5.Bc3 (5.e3 d5 6.cd5 Qd5=+) 5...d5–/+ 6.Nf3 (better is 6.d4!? ed4 7.Bd4 Bd4 8.Qd4–/+) 6...d4–+ 7.Bb4 Na6 8.Ba5 (8.e3 Bg4–+ (8...Nb4?! 9.ab4 Bf8 10.c5–/+)) 8...b6 9.Bb4 Nb4 (better is 9...Ne7!?–+) 10.ab4–/+ Bb4?? (10...Bd6–/+) 11.e3?? (11.Qa4 Qd7 12.Qb4 e4+=) 11...Bg4?? (11...Qe7!? 12.Bd3 Bb7 13.Bc2–+) 12.h3?? (12.Qa4 Qd7 13.Qb4 c5+/–) 12...Bh5?? (better is 12...Bf3 13.Qf3 de3 14.Qc6 Kf7 15.fe3 f5–+) 13.g4 (13.Qa4 Qd7 14.Qb4 a5+/–) 13...Bg6 14.Bd3?? (14…Bd3 15.Qa4 Qd7 16.Qb4–+; better is 14.Qa4 Qd7 15.Qb4+=). jbaum – sugar daddy, ChessWorld.net, 2002.

4.a3 Bd6 5.e3 Ne7 6.Nf3 b6 7.Be2 Ba6 8.0–0 0–0 9.Nc3 c6 10.d4 ed4 11.ed4 Nf5 12.Re1 Bc4?? (better is 12...Re8=) 13.Bc4+– Kh8 14.Ne4 b5 15.Bb3 b4? (15...Bf4 16.d5+–) 16.Nd6 (16.g4!? ba3 17.Bc3 Bh2 18.Nh2 Nh6+–) 16...Nd6 17.ab4 Na6 (17...Re8 18.d5+–) 18.Bc3 (better is 18.Ra6 Qb8 19.Ra4+–) 18...Rb8 (18...Qb6 19.Nh4 Nf7+–) 19.Ra6 1–0. Fournier,Frederic (1775) – Erickf, Active (5/0), 2005.

4.Qb3 c5 5.e4 Nc6 6.Nf3 Nge7 7.a3 Ba5 8.Qe3 d6 9.Bc3 Be6 10.Be2 Bc3 11.Nc3 Nd4 12.Nd4? cd4–+ 13.Qg3 dc3 14.Qc3 Nc6 (14...Nc6 15.Rb1 Qc7–+) 0–1. Foisor,V – Borrmann,Fritz, corr, 1975.

4.Qb3 Nc6 5.a3 Bc5 6.e3 Nge7 7.Nc3 a6 8.d3 d6 9.Nf3 0–0 10.Be2 Kh8 11.0–0=+ Be6 12.Nd5 b5–/+ 13.e4 Rb8 14.Qc2 1–0. mic (2300) – davidcleto (2350), net–chess.com, 2008.

4.e4 (--> 3.e4 Bb4 4.c4).

4.g3 Ne7 5.Bg2 d6 6.Nf3 Nbc6 7.0–0 Be6 8.d3 d5 9.Nbd2 dc4 10.Nc4 e4 11.Ne1 ed3 12.ed3 0–0 13.Nc2 Bc5 14.Qe2 Bd5 15.N2e3 Bg2–+ 16.Kg2 Re8 17.Rad1 Nf5 18.Qg4 Nfd4–+ 19.h4 f5 20.Qh5 g6 21.Qh6 b5 (21...b5 22.Ba3 Ba3 (22...bc4?! 23.Bc5 c3 24.Rfe1–/+) 23.Na3 Ne5–+) 0–1. Storgaard,Flemming (1830) – Price,Bob (2200), IECG, 1999.

4.Nc3 Ne7

5.e3 0–0 6.Nf3 d6 7.Be2 Bc3 8.Bc3 e4 9.Nd4 c5 10.Nb5 a6–/+ 11.Na3 Nbc6 12.0–0 d5 13.d3 dc4 14.dc4 Qd1 15.Rad1 Be6 16.Rb1 b5–+ 17.cb5 ab5 18.Nb5 Ra2 19.Rb2 Nb4 20.Ra2 Na2 21.Ba1 Rd8 22.Nc7 Bf7 23.Na6 Rd2 24.Re1 Rc2 25.Bf1 Nc1 26.Nc7 Nd3 27.Bd3 ed3 28.Nb5 d2 29.Rd1 Rc1 30.Nc3 Bb3 31.Rf1 Nd5 (31...Nd5 32.h3 Nc3 33.Bc3 Rf1 34.Kf1 d1Q 35.Be1 Bc4 36.Kg1 Qe1 37.Kh2 Qf2 38.e4 Bf1 39.e5 Qg2#) 0–1. FR (1660) – Pischner,Rainer (2205), BdF T, 2004.

5.Nf3 0–0 6.a3 Ba5 7.e3 d6 8.Be2 Qe8 9.0–0 Qg6 10.Nh4 Qh6 11.Nf3 f5 12.d3 Be6 13.Nb5 Nd7 14.c5? Nc5–+ 15.d4 ed4 16.Bd4 a6 17.Nc3 Ne4 18.Ne4 fe4 19.Nd2 c5 20.Bb2 d5 21.Nb3 Bc7 22.g3 Bd6 23.Re1 Rf2! 24.Bg4 Qh2# 0–1. FR (1830) – Krebs,Juergen (2355), BdF T, 2004.

4.e3 d6

5.Nc3 Be6 6.d4 Nd7 7.Bd3 Ne7 8.Nge2 0–0 9.Ng3 (9.0–0 Nb6+=) 9...Nb6 (9...d5 10.Qb3 Bc3 11.Bc3 ed4 12.Bd4–/+) 10.d5 Bd7 11.Kf1 (11.0–0!?–/+) 11...f5–+ 12.f4 (12.Kg1!?–+) 12...Ng6 13.Qh5? (13.a3 Bc5 14.Qd2–+) 13...ef4 14.Nf5 (14.Nce2 fg3 15.hg3–+) 14...fe3 15.Ke2 (15.Kg1 Bf5 16.Bf5–+) 15...Nf4 16.Ke3 Nh5 17.g4 Qg5 18.Ke2 Rae8 19.Ne4 Qg4 20.Ke3 Qf4 21.Kd4 (21.Ke2 Qd2 22.Kf1 Rf5 23.Kg1 Re4 24.Be2 Qg5 25.Bg4 Qg4#) 21…Bf5 (21...Bf5 22.Rhe1 Re4 23.Re4 Qf2 24.Re3 Qb2#) 0–1. Zuazua Iglesias,F – Aparicio Garcia,E, Asturias–chT40 Primera B, 1999.

5.Be2 Be6 6.Nf3 Nc6 7.a3 Ba5 8.0–0 Qd7 9.Nc3 Bc3 10.Bc3 0–0–0 11.d4= e4 12.Nd2+= g6? 13.d5+– Bd5? 14.cd5 Nce7 15.Ne4 Qf5 16.Bg4 Qg4 17.Qg4 f5 18.Qh3 Kb8 19.Ng5 Nd5 20.Bh8 Ngf6 21.Bf6 Nf6 22.Qh4 Re8 23.Nh7 Nh7 24.Qh7 a6 25.Rfc1 Rc8 26.Rab1 Ka7 27.Rc7 Rc7 28.Qc7 (28.Qc7 g5 29.Qb7#) 1–0. Woelfelschneider,Peter – Pasch, 2008.

4.e3 Ne7

5.a3 Ba5 6.Qg4 0–0–/+ 7.h4 d5–+ 8.Qd1 Nbc6 9.Nc3 d4 10.Ne4 Bf5 11.Nc5 de3 12.fe3 Qe8 13.g4 Qg6?? 14.Be2?? Rad8–+ 15.Nb3?? Bc2 16.Na5 Bd1 17.Nc6 Qe4–+ 0–1. Schwarz,B – Lachmann,Hans Georg, OWL–ch Altenbeken, 1948.

5.Be2 Nbc6 6.Nf3 d5 7.a3 Bc5 8.d4 ed4 9.ed4 Bb6 10.0–0 dc4 11.Bc4 Bg4 12.d5 Na5 13.Qa4 Bd7 14.Qb4 Nc4 15.Qc4 a6 16.Re1 Bb5 17.Qe4 Bc5 18.a4 Bd7 19.Ba3 Ba3 20.Na3 Kf7 21.Nc4 Bf5 22.Qf4 Bg6 (worse is 22...Qd5 23.Qc7 Qd8 24.Qb7+–) 23.Ng5 Kg8 24.Ne6 Nd5 25.Qf3 Qd7 26.Rad1 c6 27.Nb6! Nb6 28.Rd7 Nd7 29.Qb3 (29.Qb3 b5 30.Nd8 Kf8 31.Nc6+–) 1–0. aspasio (2710) – fitahiana (2505), net–chess.com, 2013.

3.c4 c6

4.Qa4 Na6 5.a3 A) 5...Kf7 6.Nc3 (6.Nf3 d5 7.cd5 cd5 8.e3 Ne7 9.Nc3 Be6 10.Be2 Nc8 11.d4) 6...Ne7 7.Nf3 d5 8.e3 Be6 9.c5 Qd7 10.Ba6 ba6 11.Qa6; B) 5...Ne7 6.Nc3 (6.Nf3 d5 7.Nc3 Nc7 8.cd5 Ned5 9.e3 Kf7 10.Qc2 a5 11.ba5; 6.e3 Nc7 7.Nc3 d5 8.cd5 Ned5 9.Nf3 Kf7 10.Be2 a5 11.ba5; 6.e4 Nc7 7.Nf3 a5 8.b5 Ng6 9.d4 ed4 10.Nd4 Bc5 11.Nd2) 6...d5 7.Nf3 Nc7 8.cd5 Ned5 9.Nd5 Qd5 10.Qc2 e4 11.Nd4.

4.Qa4 Qb6 5.a3 d6 (5...Nh6 6.Nc3 d6 7.Nf3 Nd7 8.e3 Be7 9.Qb3 f5 10.Be2 Qc7 11.0–0; 5...Na6 6.Nc3 Kf7 7.Qc2 d6 8.Nf3 Ne7 9.e3 d5 10.c5 Qc7 11.Be2; 5...Be7 6.Nc3 Na6 7.c5 Nc5 8.bc5 Bc5 9.0–0–0 Ne7 10.Nf3 Bf2 11.e3; 5...Kf7 6.Nc3 (6.Nf3 d5 7.Nc3 Be6 8.e3 Ne7 9.c5 Qc7 10.Be2 Nd7 11.0–0; 6.e3 d5 7.Nc3 Ne7 8.Nf3 Be6 9.Be2 Nd7 10.c5 Qc7 11.0–0) 6...d6 7.Nf3 Na6 8.Qc2 Ne7 9.e3 d5 10.c5 Qc7 11.Be2) 6.e3 (6.Nc3 Kf7 7.Nf3 Na6 8.Qc2 Ne7 9.e3 d5 10.c5 Qc7 11.Be2; 6.Nf3 Be6 7.e3 Nd7 8.Nc3 Be7 9.Bd3 Nh6 10.0–0 f5 11.h3) 6...Bd7 (6...Bf5 7.Nc3 Nd7 8.Nf3 Nh6 9.e4 Be6 10.Bd3 Be7 11.0–0) 7.Nc3 f5 (7...Ne7 8.Nf3 Na6 9.Be2 0–0–0 10.0–0 Kb8 11.Bd3) 8.Nf3 e4 9.Ng5 (9.Nd4 Nf6 10.Be2 c5 11.Ndb5) 9...Nf6 (9...h6 10.Nh3 Nf6 11.Be2) 10.Qb3 (10.c5 Qd8 11.d4) 10...Qd8 (10...Qc7 11.Be2) 11.Be2 Be7 (11...h6 12.Nh3+=) 12.0–0+= h6 13.Nh3 Be6 14.d3 d5 15.cd5 Nd5 16.Qc2 0–0 17.Rad1 Nd7 18.de4 fe4 19.Nd5 Bd5 20.Nf4 Rc8 21.Bg4 Bd6 (21...Rf4 22.ef4 Rb8 23.Bf5+–) 22.Nd5 cd5 23.Be6 (better is 23.Qb3!? Rc6 24.b5+–) 23...Kh8+/– 24.Qe2 Qe7 25.Qg4 Rc2 26.Bg7! (26.Bd7?! Rb2 27.Rd5 Rd8+=; 26.Rd5?! Rb2 27.Bd7 Rd8+=) 26...Qg7 27.Qg7 (worse is 27.Bd7 Qe5 28.g3 Qf6+/–) 27...Kg7 28.Bd7 Ra2 (28...Rd8!? 29.Be6 Ra2 30.Bd5 Ra3 31.Bb7 Rb3 32.Be4 Rb4+–) 29.Rd5+– Bc7 30.a4 (30.Bf5 Rf7+–) 30...Bb6 31.a5?? (better is 31.h3+–) 31...Raf2?? (better is 31...Rff2! 32.Re1 Rg2 33.Kh1 Rh2 34.Kg1 Rag2 35.Kf1 Rc2–+) 32.Rf2+– Be3 33.Rdf5 (33.Bf5!? Re8+–) 33...Rd8 34.Bb5 Rd1 35.Bf1 Bd4 36.Kh1?? (better is 36.g4+–) 36...e3?? (better is 36...Bf2 37.g4 Bd4–/+) 37.Re2+– Kg6 38.Rf4 Kg5 (38...Be5 39.Rf3 Bd4 40.g4+–) 39.Rf3 Rb1 40.g3 Rb4 (40...Kg6 41.b5!+–) 41.Kg2 (41.Rf4 b6 42.h4 Kh5 43.ab6 ab6+–) 41...Ra4 (41...b6 42.h4 Kg6 43.Rc2+–) 42.Rf4 b5 43.ab6! ab6 (43...ab6 44.h4 Combination; 43...Bb6 44.h4 Double attack (44.Ra4 Pinning; 44.Ra4 Deflection)) 44.Re3! Be3 (44...Be3 45.h4 Double attack (45.Ra4 Pinning; 45.Ra4 Deflection)) 45.Ra4 1–0. Jacobi,Karl Heinz – Schulze,Ingo, Lueneburg distr–ch, 1995.

4.Qa4 Kf7 5.Nf3 Na6 (5...d5 6.cd5 cd5 7.Nc3 Ne7 8.e3 Nbc6 9.b5 Na5 10.Be2 Be6 11.d4) 6.a3 d5 7.cd5 cd5 8.e3 Ne7 9.Nc3 Be6 10.Be2 Nf5 11.0–0.

4.Qb3 Na6 5.a3= Nc7 (5...d6 6.Nf3=) 6.e3 d6 (6...d5 7.Nf3+=) 7.Nf3 (7.d4 Bf5=) 7...g6 (7...Be6 8.d4=) 8.Be2+= Bg7 (8...e4 9.Nd4+=) 9.Qc2 (9.d4 Bg4+=) 9...f5 10.d4 (10.0–0 Be6+=) 10...e4 11.Nfd2 Nf6 12.0–0 0–0 13.Nc3 b6 (13...d5 14.f3+=) 14.a4 c5 15.b5 (15.bc5 dc5 16.dc5 bc5+=) 15...Ne6 (15...cd4 16.ed4 Ne6 17.d5=) 16.Nd1 (16.d5 Ng5+=) 16...Bb7 (16...cd4 17.ed4 a6 18.a5=) 17.d5+= Nd5? (better is 17...Ng5+=) 18.cd5+– Bd5 19.Nc3 (19.Bg7 Kg7 20.Nc3 Bb7+–) 19...Bb7 20.Rab1 (20.Rfd1 d5+–) 20...d5+/– 21.f3 (21.a5 ba5 22.Rfd1 Rc8+/–) 21...Bh6 (21...Qg5 22.Nd1+/–) 22.f4 (22.Nd1 Qh4+/–) 22...g5 23.Rbd1 (23.g3!?+/–) 23...gf4= 24.Nde4 (better is 24.Nb3!? fe3 25.Bc4+=) 24...fe4+= 25.Nd5 Bd5 (25...Qd5 26.Rd5) 26.Bc4 fe3 (better is 26...Rf5 27.Bd5 Rd5 28.Qe4 Nc7 (28...Rd1?? 29.Qe6 Kf8 30.Qh6 Ke8 31.Qh5 Kf8 32.Rd1+–) 29.Rd5 Qd5–+) 27.Bd5= Rf1 28.Kf1 Qf8 29.Kg1 Qf2 30.Qf2 ef2 31.Kf2 Re8 (31...e3 32.Ke2 Re8 33.g3=) 32.Be4+= Nd4 (32...Rf8 33.Ke1+=) 33.Re1 (33.Bd5 Kf8 34.Re1=) 33...Rf8= 34.Kg1 Bg5 35.Bd3 (35.Bc3 Bf6=) 35...h6 36.Re4 (36.Bc4 Kg7=) 36...Kg7 (36...Bf6 37.Bc1 h5 38.Bh6=) ½–½. Curado,Manuel Cruz – Abrantes,Joao, corr. XIV T Portugal, Prel, 1994.

4.c5 a5 5.a3 ab4 6.ab4 Ra1 7.Ba1 d6 8.d4 ed4 9.Qd4 (9.Bd4!? Na6 10.e4+=) 9...dc5–/+ 10.bc5 Qd4 11.Bd4 Nd7 12.e3 Bc5 13.Nf3 b5 14.Bd3 Ne7 15.0–0 (15.Kd2 Bb4 16.Bc3 Nd5–/+) 15...0–0 (15...Bd6 16.Nc3–/+) 16.Rc1 Bd6 17.Nbd2 Bb7 18.Ra1 Ra8 19.Rb1 Ba6 (19...Ne5 20.Ne5 fe5 21.Ne4–/+) 20.Ne4 Ba3 21.Rb3 Bb7 22.Rb1 Ng6 23.Bc4 Kf8 24.Be6 (24.Bd3!?–/+) 24...c5–+ 25.Ng3 (25.Nfd2 cd4 26.Bd7 de3 27.fe3 b4–+) 25...Ke7 26.Bd7 Kd7 (26...cd4 27.Bb5 Bf3 28.Nf5 Kf8 29.gf3 de3 30.fe3=) 27.Rb5 Bf3 (27...cd4 28.Rb7 Kc6 29.Rg7+/–) 28.gf3 Kc6 29.Rb1 cd4 30.ed4 Nh4 (30...Nh4 31.Kf1 Nf3–+) 0–1. Gross,Wilhelm – Bendig,Frank, corr SOK–87–03, 1988.

4.c5 b6 5.d4 ed4 6.Bd4 bc5 7.Bc5 Bc5 8.bc5 Qa5 9.Qd2 Qc5 10.e4 (10.Nc3 d5+=) 10...Ne7 (10...d5 11.ed5 Ne7 12.d6–/+) 11.Be2 (11.Nc3 d5+=) 11...0–0 (11...d5 12.Bh5 g6 13.Bf3–/+) 12.Nf3 Ng6 (12...d5 13.Nc3+=) 13.0–0= Qe7 14.Nc3 Kh8 (14...Ba6 15.Rfd1=) 15.Rad1 a5 16.Rfe1 a4 17.Nd4 Qd6 18.Qb2 Qc7 (18...Qc5 19.Nf3=) 19.Qc2 Attacks the isolani on a4 19...Qa5 20.g3 (20.Nf3 Ne5=) 20...c5 (20...Ne5 21.f4 Ng6 22.a3=) 21.Nf5 (21.Ndb5 Nc6=) 21...Ba6 22.f4 (22.a3 Ne5 23.f4 Be2 24.Re2 Nc4+=) 22...Bb7 (22...Be2 23.Re2 Re8 24.Nd6=) 23.Bh5 Ra6 (23...Nc6 24.Rd7 Bc8 25.Rdd1+=) 24.Bg6 hg6 25.Ne7 f5? (better is 25...Re8 26.Ng6 Kg8+/–) 26.Qg2+– (worse is 26.ef5 gf5 27.Rb1 Bf3=) 26...g5 27.fg5 c4 (27...g6 28.Qh3 Kg7 29.Qh6 Kf7 30.ef5+–) 28.g6 Rg6 29.Ng6 Kg8 30.Ne7 (30.Nf8!? Qc3 31.Qf1 Kf8+–) 30...Kf7 31.Ncd5 Re8 (31...Qc5 32.Kh1 Bd5 33.Nd5 fe4 34.Qe4 g6+–) 32.Qf2 Re7 33.Qf5 Ke8 34.Nf6! gf6 35.Qa5 (35.Qa5 Be4 36.Qa4+–) 1–0. Roczniak,Jan – Stepniewski, Poland.

4.a3 a5

5.ba5 Ra5 6.e4 d5 (6...Bc5 7.Bc3 Ra8 8.Ne2=) 7.cd5 (7.Bc3 Ra8 8.ed5 cd5=) 7...cd5 8.Bc3 Ra8 9.Bb5 Nc6 10.d4 Be6 (worse is 10...de4 11.d5 Nge7 12.dc6 Qd1 13.Kd1 Nc6 14.Ne2+/–) 11.de5 de4 (worse is 11...fe5 12.Qh5 Ke7 A) worse is 13.Be5 Qa5 (worse is 13...de4 14.Bc6 bc6 15.Nc3+=; worse is 13...Ne5 14.Qe5 Nf6 15.ed5 Qd5 16.Qc7 Nd7 17.Bd7 Qd7 18.Qe5=) 14.Nc3 Nf6–/+ (14...Ne5 15.Qe5 de4 16.Nge2+–); B) 13.Bc6 bc6 14.Qe5+/–) 12.Qc2 (12.Qh5 Bf7 13.Qe2 f5= (worse is 13...fe5 14.Qe4 Nf6 15.Bc6 bc6 16.Qc6 Nd7 17.Nf3+=)) 12...Bd5 (12...Qd5 13.Qe2+=) 13.Ne2 e3 (13...fe5 14.Be5 Qg5 15.Qb2=) 14.0–0 (14.Nf4 fe5 15.Be5 Ra5 16.Nd5 Qd5 17.Bc6 bc6=) 14...ef2 (14...Bg2 15.Rd1 Bd5+–) 15.Rf2= Be7 16.a4 (16.Bd4 Ra5 17.ef6 Nf6+=) 16...Kf7 (16...Rc8 17.Qb2=) 17.Bc6 Bc6 18.e6 (18.Nd4 Bc5 19.Qd1 Qd5+=) 18...Kf8 (18...Ke8 19.Nd4=) 19.Nd4 (19.Kh1 Qd6+=) 19...Bc5= 20.Qb2 Ne7 21.Nd2 Ra4 22.Ra4 Ba4 23.Ne4 b6 (23...Ba7!?=) 24.Qd2 h6 25.Kf1 (25.Qd3!?=) 25...Qd5+= 26.Rf4 Be8 27.Ne2 Bc6 28.Qc2?? (better is 28.Bd4–/+) 28...Ng6–+ 0–1. Kupec,Jan – Dvorak,Ladislav, CiF, 1996.

5.ba5 d5 6.cd5 cd5 7.Bc3 =.

5.ba5 d5 6.e3 =.

4.a3 d5

5.c5 d4 6.e3 d3 7.Qb3 Nh6 (better is 7...e4+=) 8.Bd3+/– g6 9.Nf3 Bg7 10.0–0 Nf7 11.Bc4 0–0 12.Bf7 Rf7 13.d4 e4 14.Nfd2 Qe7 15.Qc2 f5 16.f3 Be6 17.fe4 Nd7 18.e5 Bd5 19.Nc3 Qg5 20.e4 Qe3 (20...fe4 21.Rf7 Bf7 22.Nde4+–) 21.Kh1 fe4 22.Rf7 (22.Nd5 cd5 23.e6 Re7+–) 22...Kf7 23.Rf1 (23.Nde4!? Bf8+–) 23...Kg8 24.Nce4 Re8 25.Nd6 Re7? (25...Qe2 26.Rg1 Rf8 A) 27.Nb7?? Rf2 28.Ne4 Qc2 (28...Be4?! 29.Qe2 Re2 30.Nd6=) 29.Nf2 Qb2–+; B) 27.e6+/–) 26.Qd1 (26.N2c4!? Qg5+–) 26...Qd3 27.Nf3 Qc4 (27...Qd1 28.Rd1 h6 29.Rf1+–) 28.Ng5 (28.Nc4 Bc4 29.Rf2 b5+–) 28...b5 (28...Qa6 29.Nge4+–) 29.Ba1 (better is 29.Nc4 Bc4 30.Rf4+–) 29...Qb3 30.Qe1 (better is 30.Qb3!? Bb3 31.Nge4 h6+–) 30...Qa3 31.Qf2 Qb4 32.e6 (better is 32.Nh7 Be5 33.de5 Rh7 34.Qg3+/–) 32...Be6?? (better is 32...Nf6=) 33.d5 (33.Ne6 h6+–) 33...cd5?? (better is 33...Bd5 34.Bg7 Kg7–+ (worse is 34...Rg7 35.Qe2 Nf6 36.Qe5+/–)) 34.Bg7 (34.Ne6 Bf6 35.Bf6 Re6 36.Bc3 Qc3 37.Qf7 Kh8 38.Qe6+–) 34...Kg7?? (34...Qc5 35.Qh4 A) 35...Rg7?? 36.Ne6 g5 37.Qh5+– (37.Nc5?! gh4 38.Nf5 a5+–); B) 35...h5+–) 35.Ne6 Kh6 36.c6 Ne5 37.c7 Qd6 38.c8Q Qe6 39.Qe6 Re6+– 40.Qf4 Kg7 41.Qf8 1–0. chevin – MasterofDisaster, Live Game Caissa's Web, 2004.

5.cd5 cd5 6.d4 Bd6 =.

5.cd5 cd5 6.e3 a5 7.b5 =.

5.cd5 cd5 6.e3 Bd6 7.Nf3 (7.d4 Nc6=) 7...Ne7+= 8.Nc3 Be6 (8...0–0 9.Nb5+=) 9.d4 (9.Nb5 0–0=) 9...Nd7 (9...e4 10.Nd2=) 10.Be2 (10.de5 fe5 11.Ng5 Bg8+=) 10...a6 (10...e4 11.Nd2=) 11.b5 (11.de5 fe5 12.Ng5 Bg8+=) 11...0–0 (11...e4 12.Nd2+=) 12.0–0 (12.de5 Ne5 13.Nd4 Bf7=) 12...Qb6 (12...e4 13.Nd2+=) 13.a4 Rac8 (13...ab5 14.Nb5 Bb8 15.Ba3=) 14.Qb3 (14.a5 Qa7+=) 14...a5= 15.Ba3 (15.Rac1 Rf7=) 15...e4 (15...Ba3 16.Ra3 Rc7 17.Raa1=) 16.Nd2 f5 (16...Ba3 17.Qa3 Rfe8 18.Rac1=) 17.Bd6 (17.Rac1 Nf6=) 17...Qd6 18.Qa3 (18.f3 f4 19.fe4 fe3 20.Nd5 Bd5 21.Rf8 Nf8 22.Qe3 Bf7+=) 18...Qa3+= 19.Ra3 b6 20.f4 (20.g3 Rc7=) 20...Rc7 21.Rc1 Nf6 22.h3 (22.Ra2 Rb8=) 22...Rfc8 23.Kf2 (23.Rb3 Ne8+=) 23...h5 24.Ke1 (24.Rb3 h4=) 24...g6 (24...h4 25.Kf2+=) 25.Kd1 (25.Kf2 h4=) 25...Kf7 (25...h4 26.Na2=) 26.Na2 (26.Rb3 Rg8=) 26...Rc1 27.Nc1 Rc7 (27...h4 28.Rb3=) 28.Na2= Nc8 29.Rc3 Rc3 30.Nc3 Nd6 31.Kc2 Ke7 (31...h4 32.Nf1=) 32.Kb3 (32.g3 Kd7=) ½–½. Melich,Jindrich (2170) – Barglowski,Filip, Stary Smokovec op, 1996.

5.cd5 cd5 6.e3 Be6 7.d3 (7.Bb5 Bd7 8.Bd7 Nd7=) 7...Bd6+= 8.d4 e4 9.Bb5 Nd7 10.Bd7 (10.Qh5 g6 11.Qd1 a6+=) 10...Qd7–/+ (worse is 10...Bd7 11.Qh5 g6 12.Qd5+=) 11.Nc3 Ne7 12.f3 ef3 13.Nf3 0–0 14.0–0 Nf5 15.e4? (better is 15.Qd3+=) 15...Ne3–+ 16.Qe2 (16.Qd3 Nf1 17.Rf1 de4 18.Ne4 Rac8–+) 16...Nf1 17.ed5 Nh2 (17...Bd5!? 18.Qf1 Be6 19.d5–+) 18.de6 (18.Qe6!? Qe6 19.de6 Nf3 20.gf3+=) 18...Nf3–/+ 19.gf3 Qe7 (19...Qe7 20.Nd5 Qe8–/+; 19...Qe8 20.d5–/+) 0–1. Landgraf,Manfred – Kaschner,Armin, corr SOK–89–58, 1990.

4.Qb3 a5

5.ba5 Qa5 6.e4 Bc5 +=.

5.ba5 d5 =.

5.b5 a4+= 6.Qf3 cb5 7.cb5 d5 +=.

5.b5 a4+= 6.Qg3 cb5 7.cb5 d5 (7...Ne7 8.f4 ef4 9.Qf4+=) 8.e3 (8.d4 e4=) 8...Ne7+= 9.Be2 (9.a3 Nf5 10.Qf3 Be6+=) 9...Qc7 (9...Nf5 10.Qh3+=) 10.Bh5 (10.Na3 Nf5 11.Qf3 Be6+=) 10...g6 11.Bd1 (11.Be2 Be6+=) 11...Nf5 (11...Nd7 12.Nc3+=) 12.Qf3 a3 13.Bc3 d4 14.g4 (better is 14.ed4 ed4 15.g4 Qe5 16.Qe2 dc3 17.gf5 cd2 18.Nd2 Bf5 19.Rc1–/+) 14...Nh4?? (better is 14...dc3 15.Nc3 Nd6–+) 15.Qf6+= dc3 (15...Ng2 16.Kf1 Bg7 17.Qg5 Ne3 18.fe3 dc3 19.Nc3+=) 16.Nc3 (16.Qh8!? c2 17.Bc2 Qc2 18.Qe5 Be7 19.Nc3+=) 16...Ng2+= 17.Kf1 Bg7 (17...Ne3!? 18.fe3 Bg7+=) 18.Qg5= Ne3 19.Qe3 Be6 (19...0–0 20.Kg2=) 20.Nh3 (20.Bf3 0–0=) 20...0–0 (20...Qd7 21.Ke1=) 21.Ng5 Kh8 (21...Bc4 22.Ke1=) 22.h4 (22.Ne6 Qc4 23.Kg2 Qe6+/–) 22...Bg8 (22...Bd5 23.Nd5 Qc4 24.Kg1 Qd5+/–) 23.h5 White is in command 23...gh5 24.Rh5 Nd7 25.Bb3 (better is 25.Ke1!?+/–) 25...Nf6= 26.Rh4 Bb3 27.ab3 The passed pawn on a3 will quickly become a dangerous weapon 27...Qd6 (27...Bh6 28.Ke1 Bg5 29.Qg5=) 28.Nce4 (28.Ke1 Kg8+=) 28...Qd4 29.Rh7?? White gets strong play along the open h–file (better is 29.Qd4 ed4 30.Nc5+=) 29...Nh7–/+ 30.Qh3 Do you see the mate threat? 30...Qa1 31.Kg2 Rf2 32.Nf2 Qb1 33.Nfe4 Kg8?? (better is 33...Qe4! 34.Ne4 Kg8+=) 34.Qh7+– Kf8 35.Qf5 Kg8 36.Qe6 Kh8 37.Nf7 Kg8 38.Ne5 Kh7 39.Ng5 Kh8 40.Nef7 Kg8 Black threatens to counter with Bd4 41.Ne5 1–0. Miquel – Fernandez Diaz, Catalunya, 1993.

5.b5 a4+= 6.Qg3 d5 7.cd5= cb5 (7...cd5!? 8.d4 e4+=) 8.e4+= b4 9.a3 (9.Nf3 Qc7 10.Kd1 a3+=) 9...Nc6?? (better is 9...Qc7 10.Bd3 Qd7=) 10.dc6+– (10.dc6 Qd6 11.ab4 Qb4 12.Nc3 bc6 13.Ba3+–) 1–0. Kretschmar – Mir, 1984.

5.b5 a4+= 6.Qg3 Ne7 7.f4 ef4 8.Qf4 +=.

4.Qb3 d5

5.Nc3 d4 6.Ne4 f5 7.Ng3 Be6 8.e3 Na6 9.ed4 ed4 (9...Bb4 10.a3 Ba5 11.Qb7+=) 10.Nf3 Qd7 (better is 10...c5!?=) 11.Nd4+/– Nf6 (11...Bb4 12.0–0–0 Nf6 13.Ne6 Qe6 14.Qe3 Qe3 15.fe3+=) 12.Qe3 f4? (better is 12...Kf7 13.b5 Nb4 14.bc6 bc6+/–) 13.Qe6+– Qe6 14.Ne6 fg3 15.b5 (15.hg3?! Kd7 16.Nf8 Rhf8+–) 15...Nb4 16.Nc7 Kd8 (16...Kd7 17.Na8 Nc2 18.Kd1 Na1 19.Ba1+–) 17.Na8 Nc2 18.Kd1 (18.Ke2!? Na1 19.Ba1 Ba3+–) 18...Na1 19.bc6 bc6 20.hg3 (20.Ba1 Ng4 21.Bd4 Nf2 22.Bf2 gf2+/–) 20...Kc8 21.Ba1 Be7 22.Be5 Ng4 23.Bd4 c5 (23...Kb7 24.Be2 Bf6+–) 24.Be2 cd4 25.Bg4 Kb8 26.Bf3 (26.Ke2 Bb4 27.Bf3 a5+–) 26...h6 (26...d3 27.Re1 Bf6 28.c5+–) 27.Ke2 Kc8 28.Rb1 (28.Rb1 Bd6 29.Kd3+–) 1–0. Woschkat,Karl Heinz (2010) – Buettner,Fritz (2065), LM–91–125B corr CiF, 1992.

5.e3 Bf5 6.Nf3 +=.

5.e3 Bg4 6.Be2 Be2 7.Ne2 dc4 8.Qc4 =.

5.e3 Be6

6.a4 Na6 (6...Qb6 7.b5+=) 7.c5= Nc7 8.d4 ed4 9.ed4 (9.Bd4 Bf5=) 9...g6 10.Nf3 Bh6 (10...Qe7 11.Be2+=) 11.Be2+= Ne7 12.0–0 0–0 13.Bc1 g5 14.Nc3 White plans b5 (14.Re1 Bg7+=) 14...Bg7 15.h3 Qd7 16.b5 Ng6 (16...g4 17.hg4 Bg4 18.Re1+=) 17.b6 (17.Re1 Rfe8+/–) 17...ab6+= 18.cb6 (18.Qb6 g4 19.hg4 Bg4+=) 18...Na6= 19.a5 Rfe8 20.Ba6 (20.Re1 g4 21.hg4 Bg4=) 20...Ra6 21.Na4 Bf8 (21...Ra5 22.Nc5 Ra1 23.Nd7 Bd7 24.Ba3 Rf1 25.Kf1=) 22.Bd2 (22.Nc5 Bc5 23.dc5 Qe7=) 22...Bh3 23.Ne1 (23.gh3!? Qh3 24.Qc3+=) 23...Bg4 (23...Bf5 24.Nc5 Bc5 25.dc5–/+) 24.f3 (24.Nd3 Raa8 25.Nac5 Qg7+=) 24...Bf5–/+ 25.Bb4 (25.Nd3 Bd3 26.Qd3 Kg7–/+) 25...Bd6 26.Ra2 Bg3?? (26...Raa8 27.Bd6 Qd6 28.Nc5–/+) 27.Nc5 Qg7 28.f4 gf4 (better is 28...Bf4 29.Na6 Be3 30.Rff2 ba6–/+) 29.Na6+= Re3 (29...ba6 30.Rb2+=) 30.Qb2 (30.Qa4 Bd3 31.Nc5 Bf1–+) 30...Bd3 (30...ba6 31.Qc1 Rb3 32.Rb2 Rb2 33.Qb2+=) 31.Nc5+/– (31.Nd3?? Qh6 32.Rf3 Qh2 33.Kf1 Qh1) 31...Bf1 32.Kf1 Qh6 33.Nf3 Qh1 34.Ng1 f3 35.a6 ba6 (better is 35...Re2 36.Qe2 fe2 37.Re2–+) 36.b7 Nh4 (36...Nh4 37.b8Q Bb8–+) 0–1. Zschalich – Pohlus, Leipzig, 1985.

6.Nc3 Ne7 7.Nf3 Nd7 8.d4 e4 9.Nd2 f5 10.a4 Nf6 11.g3 (11.c5 Qd7=) 11...Qc7 12.c5 g5 13.b5 h5 14.a5 White plans b6 14...h4 15.Be2 hg3 16.fg3 Bf7 17.b6 ab6 18.cb6 Qb8 19.a6 f4 (19...ba6!? 20.Ba6 Be6=) 20.gf4+= gf4 21.a7 Qc8 22.Rf1?? (22.ef4 Qh3=) 22...Nf5 (22...f3–/+) 23.Nb5?? (23.ef4 Rh2 24.Na2–/+) 23...Rh2?? (better is 23...cb5 24.Rf4 Bh6 25.Bb5 Kd8–+) 24.Nc7+– Kd8 25.Rf4 (25.Na8!? Qa8 26.Rf4 Be6+–) 25...Bh5+/– 26.Bh5 Nh5 27.Rf5 (better is 27.Re4 Nd6 28.Re6 (28.Na8 Rh1 29.Ke2 Rh2 30.Kd1 Ne4+/–) 28...Rh1 29.Kf2 Ra1 30.Ba1 Ra7 31.ba7 Kc7 32.e4+–) 27...Bd6?? (27...Qf5 28.0–0–0 Qc8+/–) 28.0–0–0 (28.Na8 Bg3 29.Kd1 Qf5+–) 28...Ng3 29.Rg5 (29.Rg5 Ne2 30.Kc2 Bc7 31.Rg8 Kd7 32.Rc8 Kc8 33.Qb4+–; 29.Na8?! Nf5 30.Nc7 Bc7+–) 1–0. Smolanski – Prokopp,Heinz, EU–ch corr ICCF corr, 1985.

6.c5 a5 7.Nc3 (7.d4 b6 8.de5 ab4 9.cb6 Qb6+=) 7...ab4 8.Qb4 Qc8 (8...Nd7!? 9.Qb7 A) 9...Bc5?! 10.Qc6 Kf7 11.Nb5= (11.Nd5? Rc8 12.Qb7 Rb8–+); B) 9...Ne7–/+) 9.d4= e4 (9...b5 10.a4 Na6 11.Qb3 Nc5 12.dc5–/+) 10.Be2 Na6 11.Qb3 Be7 12.0–0–0 (12.Na4!? Ra7 13.Nb6=) 12...Nh6 (12...Nc5 13.dc5 d4 14.Bg4 Bb3 15.Bc8 dc3 16.Bd7 Kf8 17.ab3 cb2 18.Kb2 Bc5 19.Kc3–/+) 13.h3 (13.Na4 0–0+=) 13...0–0 (13...Nc5 14.dc5 d4 15.Bc4 Bc4 16.Qc4 dc3 17.Bc3–+) 14.Na4+= Bd8 15.Nb6 Bb6 16.cb6 (16.Qb6 Qc7+=) 16...c5–/+ 17.Kb1 (17.Kd2 c4 18.Qc3 Qc6–/+) 17...c4 18.Qb5 Nf5 19.Bg4 (19.Ba3 Rf7–/+) 19...Nd6–+ 20.Be6 (20.Qa5 Bg4 21.hg4 Qc6–+) 20...Qe6 21.Qa5 Rfc8 (better is 21...Nc8!?–+) 22.Ne2–/+ Nc5 23.Qc5 Rc5 24.dc5 Nb5 25.Nf4 Qc6 26.Rd5 c3 (26...c3 27.Bc1 Na3 28.Ba3 g5–/+) 0–1. Langguth,Wilhelm – Schild, corr ICCF EU–H–GT–100, 1985.

6.d4 dc4 (6...Nd7 7.Nd2=) 7.Bc4 Bc4 Black gets in control 8.Qc4 Qd5 9.Qd5 cd5 10.de5 (10.a3 Nc6=) 10...Bb4 (10...Nc6 11.a3 Ne5 12.Be5 fe5 13.Nc3=) 11.Ke2 Nd7 12.Nf3 (12.a3 Be7 13.e6 Nc5=) 12...Rc8 13.Kd3 (13.ef6 Ngf6 14.Nbd2 Ne4=) 13...Nc5 (better is 13...fe5 14.Ne5 Ngf6=) 14.Kd4 (better is 14.Ke2=) 14...Ne7–/+ Threatening Rd8 15.ef6 (15.a3 fe5 16.Ne5 Nb3 17.Kd3 Bd6–+) 15...gf6–+ Black intends Rd8 16.Ba3? (better is 16.a3 Ba5 17.Ra2–+) 16...Nc6 17.Kd5 b5 18.Bb4 Nb4 19.Kd4 Nc2 20.Kc3 Na4 (worse is 20...Na1 21.Kb2 Rg8 22.g3–+) 21.Kd2 Na1 22.Na3 b4 23.Ra1 ba3 (23...ba3 24.Nd4 Kf7–+) 0–1. Pennell,Gary – Wall,Bill, Taylorsville, NC, 1975.

6.Nf3 Na6 7.c5 =.

6.Nf3 Bd6 7.d3 (7.c5 Bc7=) 7...Ne7 8.Be2 (8.c5 Bc7=) 8...0–0 (8...dc4 9.dc4 Qb6 10.a3=) 9.0–0 Nd7 10.Nbd2 (10.c5 Bc7=) 10...Rc8 (10...b6 11.a3=) 11.a4 (11.c5 Bc7=) 11...Ng6 (11...b6 12.a5=) 12.Rac1 White prepares c5 12...Qe7 13.c5 Bb8 14.d4 e4 15.Ne1 f5 16.f3 (16.f4 ef3 17.Nef3 Rce8=) 16...f4 17.fe4 fe3 18.Qe3 Bf4 19.Qc3 de4 20.Nc2 (20.Ne4? Bd5 (20...Bc1?! 21.Qc1 Bd5 22.Nc3+=) 21.Ng3 Bg3–+) 20...Nf6 21.Rcd1 Nd5 22.Qa3 Bd2 23.Rd2 Qg5 24.Bc1 e3 25.Rdd1 Ngf4 (25...Ngf4 26.Bf3 e2–+) 0–1. Van Esbroeck,Dirk – Kaden,Frank, CiF, 1999.

6.Nf3 Bd6 7.Be2 dc4 8.Bc4 Bc4 9.Qc4 Qd7 (9...Qe7 10.a3+=) 10.0–0 b5 (10...Qe7 11.b5=) 11.Qb3 (11.Qe4 a5=) 11...Nh6 (11...Qe7 12.Bc3=) 12.d4 Nf7 (12...e4 13.Nfd2 f5 14.Nc3+=) 13.Nbd2 a5 14.a3 Qe7 (14...ed4 15.Nd4 0–0 16.Ne4+=) 15.Nh4 (15.de5 Ne5 16.Be5 fe5+/–) 15...g6 16.Bc3 (16.Ne4 ed4 17.Nd6 Nd6 18.Bd4 Nc4+=) 16...a4 (16...e4 17.ba5 f5 18.g3+=) 17.Qc2+= f5 (17...0–0 18.Rad1+=) 18.de5 Be5 19.Be5 Ne5 20.Nhf3 0–0 21.Ne5 Qe5 22.Rfd1 Re8 23.Nf3 Qf6 24.Rac1 Ra7 25.Rd4 Rc7 26.Rcd1 Qe7 27.Rd6 Rec8 28.Qa2 (28.Qc5 Na6 29.Qb6 Nb8+/–) 28...Kf8 (28...Kh8 29.Qb2 Kg8 30.Qe2+/–) 29.Nd4 Rd7 30.Ne6 Ke8 31.R6d4 (31.Ng5 Qd6 32.Rd6 Rd6 33.Qf7 Kd8 34.Ne6 Re6 35.Qe6 Kc7 36.Qe7 Kb6 37.Qh7 Rd8+–) 31...Rd4+/– 32.ed4 Qf6 (32...Kf7 33.Re1 Qh4 34.Ng5 Kf6 35.Nf3+–) 33.d5+– Kf7 34.Nd4 (34.Nc5 Kg7 35.d6 Kh8+–) 34...Ke8 (34...Kg8!? 35.d6 Qf7 36.Qf7 Kf7+/–) 35.dc6+– Nc6? (35...Ke7+–) 36.Qg8 (36.Qg8 Qf8 37.Qe6 Ne7 38.Nb5+–) 1–0. Bendig,Frank – Van Esbroeck,Dirk, corr ICCF TT–4–90–14, 1991.

4.e4 Bb4–/+

5.Ba3 Qa5 6.Qb3 c5 (6...Ba3 7.Na3 d6 8.Nc2–/+) 7.Bb4+= Qb4 8.Qb4 cb4 9.Be2 Ne7 10.Nf3 b6 11.d3 0–0 12.0–0 Bb7 13.Nbd2 a5 14.a3 (14.d4 Ng6+=) 14...Nbc6–/+ 15.Rfb1 d6 16.Ne1 Ng6 17.Nc2 Rfb8 18.h3 Nf4 19.Bf1 Ba6 (19...ba3!? 20.Rb6 Ra6 21.Ra6 Ba6 22.Na3 Rb2–/+) 20.g3 Ne6 21.ab4 ab4 22.Nb4 Nb4 23.Rb4 Nd4 24.Rab1 Draw agreed ½–½. matty722 – normn, ChessWorld.net, 2012.

5.Nc3 d6 6.a3 Bc5 7.Nf3 –/+.

5.Nc3 Ne7 6.Qh5 Ng6 7.Nh3 0–0 8.g3 (8.a3 Bc3 9.Bc3 d5–/+) 8...d5 (8...d6!?–/+) 9.cd5 Bc3 10.Bc3 (10.dc3 cd5 11.Rd1 Be6 12.ed5 Bd5–/+) 10...cd5 11.Bg2 d4 12.Bb4 Re8 13.d3 (13.0–0 Na6 14.Rfb1 Be6–/+) 13...Nc6 (13...Be6 14.f4 Nc6 15.Bd2–+) 14.Bd2 Be6 15.f4 Bf7 16.Qe2 a5 (16...Rc8 17.0–0–/+) 17.0–0 b5 18.f5 Nf8 (18...Nge7 19.Qg4 Kh8 20.Rab1–/+) 19.g4 (19.Qg4 Kh8–/+) 19...Nd7 20.g5 fg5 (20...Rf8 21.Rac1 Qb6 22.a3–/+) 21.Ng5–/+ Nf6 (21...Qf6 22.Rfc1–/+) 22.Nf7 Kf7 23.Bf3 (23.Qd1 b4–/+) 23...Rg8 (23...Rf8 24.Qd1 a4 25.Rb1–/+) 24.Kh1 (24.Qd1 a4+=) 24...Qd6 Black intends b4 25.Rg1 b4 26.Qg2 Ne7 27.Bd1 (27.Rac1 Ke8–/+) 27...a4 28.Rb1 Nc6 29.Qh3 Rh8?? (better is 29...Rgc8–/+) 30.Rg7!+– Ke8 (30...Kg7 Decoy to g7 31.Qh6) 31.Qh6 (better is 31.Bg5 Ne7 32.Qh4+–) 31...b3?? (better is 31...Rf8+/–) 32.Bh5+– (32.ab3?! Rf8 33.Bg5 Ra7 34.Bh5 Kd8 35.Ra7 Na7 36.ba4 Nc6+–) 32...Kd8 33.Bg5 (33.ab3?! Rf8 34.Bg5 Ra7 35.Ra7 Na7 36.ba4 Nc6+–) 33...Nb4 (33...Rf8 34.Bf7 (worse is 34.ab3 Ra7+–) 34...Rf7 35.Rf7 ba2 36.Ra1+– (36.Qf6 Qf6 37.Bf6 Ke8 38.Re7 Ne7–+)) 34.Qf6 (34.Qf6 Qf6 35.Bf6 Kc8 36.Rc1 Nc2 37.Be5+–; 34.Bf6 Kc8 35.Qc1 Nc2 36.ab3 ab3 37.Be5 Qe5+–) 1–0. Kuehn,Peter (2100) – Antoszkiewicz,Gerhard (2100), corr DDR–10ch sf4, 1978.

5.Nf3 Qb6 6.Qb3 d6 –/+.

3.e3 Bb4–/+

4.a3 Bf8 5.Bd3 (5.d4 ed4 6.Bd4 c5+=) 5...d5 (5...Nh6 6.f4 d6 7.Nf3+=) 6.Qh5+= g6 (better is 6...Ke7!?+=) 7.Bg6+= Kd7 (7...hg6 8.Qh8 Pinning (8.Qh8 Deflection)) 8.Bh7 (better is 8.Bf5 Kd6 9.Bc8 (9.Bh7? Qe7–+) 9...Qc8 10.e4+=) 8...Ne7? (better is 8...Kc6 9.Qg6 Be6+=) 9.Bf5 Kc6 (9...Nf5 10.Qh8 (10.Qf5?! Ke7 11.Qd3 Be6+=) 10...Kc6 11.h4+–) 10.Qh8 Nf5 11.Ne2 (11.h4 Nd6+–) 11...d4 (11...Be6 12.Nbc3+–) 12.Qg8 1–0. Wall,Bill – Guest9546, internet, 2004.

4.Bb5 a6 5.Bd3 g6 –/+.

4.Bc3 Nc6 5.Be5?? (better is 5.Bb4 Nb4 6.Nc3=+) 5...fe5–+ 6.Bb5 Nf6 7.Bc6 (7.c3 Be7–+) 7...bc6 8.c3 Bd6 9.Qa4 a5 10.Qc4 (10.d3 Ba6 11.Qc2 Nd5–+) 10...Ba6 11.Qf7 (11.Qa4–+) 11...Kf7 12.Na3 Ba3 13.Nh3 Ne4 14.g4 Qh4 15.Nf4 Qf2 16.Kd1 Qd2# 0–1. Anden – Caissa, Live Game Caissa's Web, 2004.

4.c4 Ba5 5.f4 d6 6.Bd3 Be6 7.Ne2 Qd7 8.0–0 Na6 9.Ng3 Nc5 10.Bc2 (10.Be2!?–/+) 10...Bc4–+ 11.d3 Ba6 12.Rf2 0–0–0 (12...ef4!? 13.ef4 d5–/+) 13.d4+= ed4 (13...ef4 14.ef4 Ne6+=) 14.ed4+= Ne6 15.f5?? (better is 15.d5 Bb6 16.de6 Bf2 17.Kf2+=) 15...Ng5–/+ 16.Bb3 d5 17.Nd2 Kb8 18.Rc1 0–1. Ricbour,Jeremy (2180) – Cotonnec,Melkior (2275), Issy les Moulineaux tt, 2009.

4.c4 Nc6 5.Nc3 Nge7 6.Nf3 d6 (6...0–0 7.a3 Bc3 8.Bc3–/+) 7.Be2 Be6 8.0–0 0–0 (8...d5 9.Qb3–/+) 9.d4 ed4 10.ed4 d5 11.c5 b6 12.a3 Ba5 13.h3 (13.Qc2 bc5 14.dc5 d4=+) 13...Rb8 14.Rb1? (better is 14.cb6!? Rb6 15.Na4–/+) 14...bc5–+ 15.dc5 (better is 15.Ba1 Rb1 16.Nb1–+) 15...Ne5?? (better is 15...Rb2 16.Rb2 Bc3–+) 16.Nd4=+ Bf7 17.Ba1 c6 18.Na2 (18.Rb8 Qb8 19.f4 Nd7–/+) 18...Qc7 (18...Rb1 19.Qb1 Bg6 20.Qb3–/+) 19.Nb4 Bb4 (19...Rfe8 20.Rb2 Bb4 21.Rb4=+) 20.ab4 a5 21.Bc3 ab4 22.Bb4 Rfe8 (22...Bg6 23.Rb2 Bf5 24.Re1=+) 23.Qd2 N7g6 (23...Nc4 24.Bc4 dc4 25.Rfd1=+) 24.Nf5= Be6 25.Nd6 Rf8? (better is 25...Re7!?=) 26.f4+/– Nf7 27.f5 Nd6 28.cd6 (28.fe6? Ne4 29.Qe3 Qe5–+) 28...Qa7 (28...Qb6 29.Kh1 c5 30.fe6 Qd6 31.Ba3+/–) 29.Kh1+– c5 (29...Bf5 30.Rf5 Rfd8 31.Rd1+–) 30.fe6 (30.fg6?! cb4 31.gh7 Kh7 32.Rb4 Qd7 33.Rb8 Rb8 34.Qd3 f5=) 30...Rb4 31.Rb4 (31.Qd5 Nf4 32.Rf4 Rb1 33.Kh2 Qb7 34.Qc5 Rc8+–) 31...cb4 32.Qd5 Qa8 (32...Kh8 33.Bd3 Rd8 34.Bg6+–) 33.Qc4 (33.Qa8 Ra8 34.e7 Kf7 35.Bc4 Ke8 36.Bb5 Kf7+–) 33...Rb8 (33...Ne5 34.Qb4 Rb8+–) 34.e7 Kh8 35.Qe6 (better is 35.Bf3 Qa5 36.Re1+–) 35...Qc6 36.Bf3 Qe8 37.Re1 (better is 37.Bh5 Rb7 38.Rc1+–) 37...Ne5 (37...Nf8 38.ef8B Qf8+–) 38.Re5! fe5 39.d7 1–0. Ranby,Hans – Diener,Rudolf, corr 3GMM–23, 1995.

4.Bc4 Ne7 5.Nf3 d6 6.a3 Bc5 7.d4=+ ed4 8.Nd4 Bd4 9.Bd4 Nf5 10.Qe2 d5 11.Bd3 0–0 12.0–0 Re8 13.Bf5 Bf5–/+ 14.Nc3 Nc6 15.Qb5=+ Rb8 16.Nd5 Nd4 17.ed4 c6 18.Nf6? Qf6–+ 19.Qc4 Kh8 20.Rfe1 Re1 21.Re1 h6 22.Qe2? Qf8 23.h3 Re8?? 24.Qe8+– Qe8 25.Re8 Kh7 26.Re7 b5 27.Ra7 Bc2 28.g4 Kg6 29.Rc7 Be4 30.f4 h5 31.f5 Kg5 32.Rg7 Kf4 33.f6 Bd5 34.g5 Kf5 35.h4 Ke4 36.Re7 Kd4 37.Rd7 Kc4 38.Rd5! Kd5 39.f7 1–0. guest77 – Smallmind, ICC, 1999.

4.Bd3 d5 5.Qh5 Ke7 6.c4 Be6 7.cd5 Bd5?? 8.Qg4+= g6? 9.Qb4+– Qd6 10.Qd6 cd6 11.e4 Be6 12.Nf3 Nh6 13.0–0 Nf7 14.Nc3 a6 15.Nd5 Bd5 16.ed5 Nd7 17.Bc4 Nb6 18.Bb3 Rac8 19.Rac1 Kd7 20.Rc8 Rc8 21.h3 Rc5 22.Rc1 Nh6 23.Ba3 Ra5 24.Bb4 Rb5 25.a3?? Nf5?? 26.d3 Ne7 27.Nd2 Ned5+/– 28.Nc4?? Nb4= 29.Nb6 Rb6 30.ab4 Rb4 31.Bc4 b5 32.Bd5 Rd4 33.Bb7 a5 34.Bc6 Ke6 35.Bb5 f5? 36.Bc4 d5= 37.Bb5 Rb4 38.Rc6 Kf7 39.Ba6 a4 40.Rc7 Kf6 41.Rc6 Kg5 42.Rc1 a3 43.Ra1 Ra4 44.Bb5 Ra5 45.Bc6 Kf6 46.Kf1 Ke6 47.Ke2 Kd6 48.Be8 1–0. wojtekkk (1615) – fatmirmiraka, internet, 2011.

4.Bd3 Bf8 5.Qh5 g6 6.Bg6! hg6 7.Qh8 Ne7 8.Qf6 Nbc6 9.Ba3 d6 10.Nc3 Bf5 11.Nge2 Qd7 12.Ng3 Qe6 13.Qe6 Be6 14.0–0 Rd8 15.Nge4 Kd7 16.Nf6 Kc8 17.Nfe4?? d5?? 18.Be7 Be7 19.Ng3 d4 20.Nce4 Bd5 21.a4 g5 22.a5 a6 23.c3 d3 24.Rab1 Na5 25.Rb2 b6 26.Rfb1 Nc4 27.h3 Nb2–/+ 28.Rb2 a5 29.f3 Ba3 30.Rb1= Be7 31.Nf2 a4 32.Nd3 a3 33.Nb4 Bc4 34.Nf5?? Bb4–+ 35.Rb4 a2 36.Ra4 Rd2 37.Ne7 Kd7 38.Nf5 Rd1 39.Kf2 a1Q 40.Ra1 Ra1 41.e4 Ra3 42.Ne3 Rc3 43.Nd1 Rc2 44.Ke3 Rg2 45.Nc3 b5 0–1. wojtekkk – slaweczek69, internet, 2011.

4.Be2 d5 5.c4 c6 6.Nf3 c5 7.cd5 Qd5 8.Nc3 Bc3 9.Bc3 e4–/+ 10.Qa4 Bd7 11.Bc4? Ba4–+ 12.Bd5 Bc6?? 13.Bb3?? ef3–+ 14.0–0 fg2 15.Rfe1 Bf3 16.d4 b6 17.e4 cd4 18.Bd4 Ne7 19.Re3 Nec6 20.Bc3 Bh5 21.e5 Nd7 22.ef6+– Nce5 23.fg7 Rg8 24.Bg8 0–0–0 25.Be6 Nc4 26.Rg3 Nd6 27.g8Q Rg8 28.Rg8 Kc7 29.Bd7 Kd7 30.Re1 Bg6 31.Rg7 Nf7 32.Kg2 Kc6 33.Rg8 Kd5 34.a3 Be4 35.Kg3 h5 36.Bb4 Ne5 37.Rg5 a5 38.Bc3 h4 39.Kh4 Kc4 40.Be5 Bd5 41.Rc1 Kb3 42.Rg3 Ka4 43.Bc7 b5 44.Rc5 Bb3 45.Rg4 b4 46.Ra5 1–0. gtate (1870) – xodinho (1700), net–chess.com, 2003.

4.Be5? g6?? 5.Bg3 d5 6.c4 Bf5? 7.Qb3+/– a5 8.cd5 Ne7 9.Bc4 Bd6 10.Qb7+/– Nd7 11.Nc3 0–0 12.e4 Nc5? 13.Qb1+– Bd7 14.f4 Na4 15.e5 fe5 16.fe5 Bb4 17.d6 Kg7 18.de7 Qe7 19.Qd3 Bd6 20.Qd4 c5 21.Qe3 Nc3 22.Qc3 Bc7 23.0–0–0 Rab8 24.e6 (24.e6 Kh6 25.Bc7+–) 1–0. Bousquet,Christophe – Hausgaard,Olaf, IECC, 2004.

4.Nf3 Nc6 5.Bc4 Na5 6.Be2 Ne7 7.c3 Bd6 8.0–0 0–0 9.d3 c5 10.c4 Nac6 11.Nc3 Bb8 12.a4 d5 13.cd5 Nd5 14.Nd5 (better is 14.Qb3!? Be6 15.Qb7 Nc3 16.Bc3=) 14...Qd5–/+ 15.Nd2 Be6 16.Bf3 Qd7 17.Ne4 b6 18.Bc3 Bc7 19.a5 f5 20.ab6? (20.Ng5 b5–/+ (< 20...ba5 21.Qa4 Bd5 22.Bd5 Qd5 23.e4=)) 20...Bb6?? (better is 20...fe4 21.Be4 Bb6 (< 21...ab6 22.Ra8 Ra8 23.Qf3–+) 22.Bc6 Qc6 23.Be5 Qd5–+) 21.Ng5=+ Rad8 22.Bc6 Qc6 23.Be5 h6 24.Ne6 Qd6?? (better is 24...Qe6 25.Bg3 c4=) 25.Bd6+– 1–0. ZeitNot2002 (1690) – DogKnights, Dos Hermanas Internet Section, 2003.

4.Nf3 d6 5.Be2 (5.c3 Ba5=+) 5...Bg4 (5...d5 6.0–0–/+) 6.0–0 (6.c3 Bc5=) 6...Nc6 7.c3 Bc5 8.d4 ed4 (8...Bb6!?=+) 9.cd4 Bb6 10.Qc2 Nge7 11.Nbd2 Qd7 12.h3 Bh5 13.Bc4 (13.Rae1 0–0=+) 13...h6 (13...d5 14.Bb5=+) 14.a4 Bg6 15.Qb3 0–0–0?? (better is 15...Na5 16.Qc3 d5=) 16.a5 (16.Be6 Na5 17.Bd7 Rd7+–) 16...Ba5?? (16...Na5 17.Ra5 d5+/–) 17.Ra2 Bd2?? 18.Nd2 Nb8?? 19.Rfa1 a6?? 20.Bc3 Rhf8?? 21.Qa4 Qa4 22.Ra4 Bf7 23.Bb4?? Bc4–+ 24.Nc4 Nf5 25.Na5 b6 26.Nc4 b5 27.R4a2 bc4 28.Rb2 Rfe8 29.Bc3 Ne3 30.fe3 Re3 31.Rc2 Rde8 32.Rac1 R8e7 33.Rb1 Kd8 34.Bd2?? Re2 35.Rb8–/+ Kd7 36.Kf1?? R2e5 37.Rbb2 (37…Rf5 38.Kg1=+; better is 37.de5 fe5 38.Rc4+–). Slavisa2 – StillSleeping, Live Game Caissa's Web, 2004.

4.Nf3 Nh6 5.Bc4 c6 6.Bb3 d5 7.0–0 0–0 8.d4 e4 9.Nfd2 f5 10.c4 Be6 11.cd5 cd5 12.Nc3 Kh8 13.Rc1 Nc6 14.Qe2 f4 15.ef4 Nd4–+ 16.Qe3 Nb3 17.Nb3 Nf5 18.Qd2? d4 0–1. amator111 (1640) – rinokeros (1645), internet, 2011.

4.a3 Ba5

5.Nf3 d6 6.Be2 Nc6 7.0–0=+ Bg4 8.d4 ed4 9.Nd4= Be2 (9...Be2 10.Qe2 Bb6=; 9...Bd7 10.Bd3 Nge7 11.Qh5 Kf8 12.Nc3= (12.Bh7? Nd4 13.Bd4 Bb6–+)) 0–1. makaveli1982 – weakplayer, internet, 2007.

5.f4 d6 6.Nf3 (6.Qh5 g6 7.Qf3 ef4 8.Qe4 Kd7 9.Qf4 Nc6+=) 6...Nc6 (6...Ne7 7.fe5 de5 8.Bc4–/+) 7.fe5 (7.Bc4 Bg4–/+) 7...de5 8.Bb5 (8.Bc4 Bg4–/+) 8...Nge7 (better is 8...Qd5 9.c4 Qd7+=) 9.Ne5? (better is 9.0–0–/+) 9...fe5–+ 10.Qh5 (10.0–0 Qd6–+) 10...Ng6 11.Bc6 (11.0–0 Qd6–+) 11...bc6 12.Be5 (12.Bc3 Qd5 13.Qg5–+) 12...Qd5 13.0–0 Qe5 14.Qf3 (14.Qe5 Ne5 15.Rf4 Ng6–+) 14...Qe6 15.Nc3 Bb7 (15...Bc3 16.dc3 Ba6 17.Rfe1–+) 16.Rab1 (16.Ne4 Qe7–+) 16...0–0–0 (16...Bc3 17.dc3 Rf8 18.Qe2 Rf1 19.Rf1–+) 17.Na4 (17.Qe2 Bc3 18.dc3 c5–+) 17...Bd2 18.e4 Qc4 (18...Qc4 19.Qh3 Rd7–+; 18...Rhf8 19.Qe2 Rf1 20.Rf1–+) 0–1. Adamowski,Andrzej – Kusmierek,Jozef, corr 2AMM Poland, 1993.

5.Qh5 g6 6.Qf3 d5 7.g4 h5 8.gh5 Rh5 9.Be2 Bf5–+ 10.Qg3 Rg5 11.Qh4 Bc2 12.Qh8 Kd7 13.h4 Rf5 14.h5 Ne7 15.Qd8 Kd8 16.h6 g5 17.Bg4 Bb1 18.Bf5 Bf5–/+ 19.h7 Bh7 20.Rh7–/+ Nec6 21.Rc1 d4 22.ed4= Nd4 23.Bd4 ed4 24.Ke2 g4 25.Kd3 Kc8 26.Ne2+= Nc6 27.Nd4 Ne5 28.Ke4 c6 29.Rh8 Bd8+= 30.Ne6 Kd7 31.Rd8?? Rd8= 32.Nd8 Kd8 33.Kf5 Nd3 34.Rg1 Nf2 35.Kf6 Kd7 36.Kf5 Kd6 37.Rg2 Nd3 38.Rg4 Kd5 39.Rg7 Nc5 40.Kf4?? Ne6–+ (41.Kf5 Ng7 42.Kg4 Ne6–+) 0–1. Mayor – Zippy, ICS, 1994.

4.c3 Ba5

5.d4 Nc6–/+ 6.d5 Nce7 7.Bc4 d6 8.e4 f5–/+ 9.Nd2 Nf6 10.Qa4 c6 11.Qc2 fe4 12.dc6 bc6 13.Ne4 Ne4–/+ 14.Qe4 d5 15.Bd5 Qd5 16.Qd5 Nd5 17.Ne2 Ba6 18.f3 Rb8 19.Ba3 Nc3 20.Kf2 Bb6 21.Ke1 Ne2 22.Bd6 Rd8 23.Be5 0–0 24.Rd1 Rde8 (24...Rde8 25.Bg7 Nf4 26.Kd2 Re2 27.Kc1 Be3 28.Kb1 Rb8 29.Ka1 Bc4–+) 0–1. super knight – pierre, chessHere.com, 2005.

5.d4 Ne7 6.de5 fe5 7.Qh5 Ng6 8.Bd3 0–0 9.Bg6 hg6 10.Qe5 d5 11.Nf3 c5 12.Qg5 Qg5 13.Ng5 Nc6 14.0–0 Bf5 15.Rd1 Ne5 16.Nd2 Nd3 17.Nb3 Bd8 18.Rd3 Bd3 19.Nc5 Bc4 20.Nge6 Rf7 21.Nd8 Rd8 22.Ne6 Rd6 23.Nd4 Rb6 24.Bc1 Bd3 25.h3 Rc7 26.a3 Rc3 27.Bd2 Rc8 28.Bb4 Kf7 29.Nf3 Be4 30.Nd4 Bd3 31.Rd1 (31.Nf3 Kf6 32.Rd1–/+) 31...Bc4–/+ 32.Rd2 Rf6 33.Kh2 ½–½. Sala,Stefano – Naasen,Nils (1915), IECG, 2004.

4.Nc3 Ne7

5.Bc4 d5–/+ 6.Be2 Be6 7.Nf3 c5 8.0–0 0–0 9.d4 cd4 10.ed4 e4 11.Nd2 Nbc6 12.Na4 f5 13.Nc5 Bc5 14.dc5 f4 15.Nb3 f3! 16.gf3 Bh3 17.fe4 de4 18.Qd8 Rad8 19.Rfd1 Rde8 20.Kh1? Rf2–+ 21.Bb5 e3 22.Rg1 Ng6 23.Rae1 Nh4?? 24.Bc4+– Kf8?? 25.Bg7 Ke7 26.Re3 Kd7 27.Rd1 (27.Rd1 Kc7 28.Rh3+– (28.Re8?! Nf3 29.Be5 Nce5 30.Re7 Kc8 31.Re8 Kc7 32.Re7 Kc8 33.Re8 Kc7=)) 1–0. kehrsam – dixi82, ChessWorld.net, 2006.

5.Nf3 Nbc6 6.Bc4 d5 7.Bb3 Bg4 8.e4? Bc3–+ 9.Bc3 de4 10.h3 Bh5 11.g4 Bg6 12.Nh4 Qd7 13.Qe2 Nd4 14.Qe3 Nd5 15.Bd5 Nc2 16.Ke2 Ne3 (16...Ne3 17.de3 Qd5–+) 0–1. kehrsam – jammboy, ChessWorld.net, 2006.

4.c4 Ne7

5.a3 Ba5 –/+.

5.Bd3 Na6 6.Nf3 d5 7.cd5 Qd5 8.Be2 –/+.

5.Bd3 d6 6.Qh5 g6 7.Qe2 Nbc6 8.h4 (8.Nf3 0–0–/+) 8...Be6 9.Nc3 Kf7 10.Nh3 (10.Nf3 Bc3 11.dc3 Qg8+=) 10...d5 11.cd5 Nd5 12.Ne4 Qd7 13.Rc1 (13.h5 Rad8–/+) 13...Rad8 14.Bb5 (14.a3 Be7 15.Bc4 Kg7–/+) 14...Rhe8 (14...Bf5!? 15.Rc4–+) 15.h5–/+ Bf5 16.Nc3 (16.hg6 Bg6 17.f3+=) 16...Nc3 17.dc3 (17.Bc3 Ba3 18.Rd1 a6 19.hg6 Bg6 20.Bc6 Qc6–/+) 17...Bf8 (17...Bc5 18.0–0 Bd6 19.Rfd1–+) 18.hg6 (18.f3!?–/+) 18...hg6–+ 19.Bc4 (19.f3 a6 20.Ba4 Bd3–+) 19...Kg7 20.e4 Be4! 21.Qe3?? (21.Qe4 Qd2 Double attack) 21...Bg2 22.Ke2 (22.Rh2 Nd4! 23.Be2 (23.Rg2?? Nc2 24.Ke2 Ne3 25.fe3 Qh3–+) 23...Ne2 24.Qe2 Bh3 25.Rd1–+) 22...Qg4 23.f3 Qc4 24.Kf2 Bc5 0–1. Hepting,Heinrich (2185) – Beyerlein,Andreas (1980), Regionalliga NO, 2009.

5.Nf3 Nbc6 6.Nc3 d5 7.Qb3 Be6 8.cd5 Nd5 9.Nd5 Qd5 10.Qd5 Bd5 11.Bb5 0–0–0 12.Bc6 Bc6 13.0–0? Bf3 14.gf3 Rd2 15.Rab1 Ba5 16.Rfc1 Rhd8 17.Kg2 Re2 18.Bc3 Bc3 19.Rc3 Rdd2 20.Kg3 Rf2 21.h3 g5 22.Kg4 Ra2 (22...Ra2 23.e4 Rh2–+) 0–1. Quist,S – Santana,Manuel, corr ICCF M, 1988. (same as the following game; which is fake?)

5.Nf3 Nbc6 6.Nc3 d5 7.Qb3 Be6 8.cd5 Nd5 9.Nd5 Qd5 10.Qd5 Bd5 11.Bb5 0–0–0 12.Bc6 Bc6 13.0–0? Bf3 14.gf3 Rd2 15.Rab1 Ba5 16.Rfc1 Rhd8 17.Kg2 Re2 18.Bc3 Bc3 19.Rc3 Rdd2 20.Kg3 Rf2 21.h3 g5 22.Kg4 Ra2 23.Rd1 Rad2 24.Rd3 Rd1 25.Rd1 b5 26.Kf5 Rf3 27.Ke6 Re3 28.Kf6 b4 29.Kg5 b3 30.Kf6 b2 31.Ke7 Rb3 (31...Rb3 32.Ke6 b1Q 33.Rb1 Rb1 34.Ke5 a5–+) 0–1. Wich,Manfred – Schuler,Martin (1640), St Ingbert open, 1988. (same as the previous game; which is fake?)

4.Bc4 d5

5.Bb3 a5 6.Qh5 g6 7.Qh4 Nc6 8.a3 Be7 9.Qg3 Nh6 10.f4 Nf5 11.Qf2 Be6 12.Nf3 Qd6 13.0–0 ef4 14.ef4 Qf4 15.Nc3 b6 16.Nb5 Bc5 17.d4 Ncd4 18.Nfd4+/– Qf2 19.Rf2 Nd4 20.Bd4 Bd4 21.Nd4 (21.Nd4 Bf7 22.Re1 Kf8 23.Rf6+–) 1–0. bratek55 (1755) – hugr (1615), internet, 2011.

5.Bb3 Nc6 6.Ne2 Nge7 7.0–0 0–0 8.c4 Be6 9.cd5 Bd5 10.e4 Bb3 11.Qb3 Rf7 12.a3 Bd2 13.Rd1 Qc8 14.Rd2 f5 15.ef5 Qf5 16.Ng3 Qc8 17.Nc3 Nd4 18.Qc4 c5 19.Nce4 b6 20.Ng5 Qf8 21.N3e4 b5 22.Qf7 Qf7 23.Nf7 Kf7 24.Bd4 ed4 25.Nd6 Kg8 26.Nb5 a5 27.Re1 Nc6 28.Nd6 h6 29.Rc2 Rd8 30.Re8 Re8 31.Ne8 d3 32.Rc5 Nd4 33.Rd5 Ne2 34.Kf1 Nc1 35.Ra5 Nb3 36.Rd5 d2 37.Ke2 Kf8 38.Rd2 Nd2 39.Kd2 Ke8 40.h4 1–0. justpawn – peakbagger, playchess.de, 2003.

5.Bb3 Be6 6.e4 c6 7.Nf3 de4 8.Be6=+ ef3 9.Qf3 Qd2?? 10.Nd2+– Ne7 11.c3 Bd6 12.Ne4 Bc7 13.Ba3 Na6 14.Nf6! gf6 15.Qf6 Rf8 16.Qe7# 1–0. golly1 – Bull_Dog_Baz, ChessWorld.net, 2007.

5.Bb3 Be6 6.Ne2 Ne7 7.0–0 0–0 8.d3 Qd7 9.Nd2 c5 10.c4 d4 11.ed4 cd4 12.Ne4 Rc8 13.f4 b5 14.fe5= fe5 15.cb5 Nd5 16.Bd5 Qd5 17.Qa4 Be7 18.Rfc1 Rf8 19.N2g3 Nd7 20.Rf1 Nb6 21.Qa5 Rf1 22.Nf1 Bf5 23.Nfg3 Bg6 24.Ba3 Bh4 25.Bc5? Bg3–+ 26.Bb6 Be4?? 27.de4–/+ ab6 28.Qb6 Bh2! 29.Kh2 Qe4 30.Qc6 Qf4 31.Kg1 Rf8 32.Qd5 Kh8 33.Qf3 Qf3 34.gf3 Rf3?? 35.b6 Rf7?? 36.Rb1 Rb7= 37.Kf2 e4 38.a4 Kg8 39.a5 Kf8?? 40.a6+– Rf7 41.Ke2 1–0. bratek55 (1650) – lakyluciano, internet, 2011.

5.Bb3 Ne7 6.c3 Bd6 7.Ne2 Be6–+ 8.d3 c6 9.0–0 Nd7 10.Nd2 Qc7 11.Ng3 0–0–0 12.a4 g5 13.c4 Ng6?? 14.cd5+– cd5 15.Rc1 Nc5 16.d4 ed4 17.ed4 Bg3? 18.Rc5 Bh2 19.Kh1 Bd6 20.Rc7 Kc7 21.Qc2 Kb8 22.Re1 Bf7 23.Qf5 Be7 24.Re7! Ne7 25.Qf6 Bg6 26.Qe7 g4 27.Qg5 Rhg8 28.Qe5 Ka8 29.Bd5 Rge8 30.Qg5 Re1 31.Kh2 Rd1 32.Bb7! Kb7 33.Qd8 Rd2 34.Qd5 Kc8 35.Qa8 Kd7 36.Qa7 Kc6 37.Qc5 Kd7 38.Qb5 Kc8 39.Qc4 Kd7 40.d5 Rb2 41.Qc6 Ke7 42.Qe6 Kf8 43.Qf6 Bf7 44.Qb2 Bd5 45.a5 Kf7 46.a6 h5 47.Qb7! Bb7 1–0. epasacrifice – jammboy, ChessWorld.net, 2011.

5.Bb3 g6 6.c3 Be7 7.a4 a5 8.Na3 h5 9.Qc2 Bf5–/+ 10.d3 e4 11.f3? ed3–+ 12.Qd2 Nc6 13.Nh3 Bh3 14.gh3 Ne5 15.Kf2 f5 16.f4 Nf6 17.Kg2 Ne4 18.Qd1 Nd7 19.Qd3 Nec5 20.Qd5 c6?? 21.Qf7 1–0. ifairclough – quikeagle, net–chess.com, 2001.

5.Bb5 c6 6.Be2 Ne7 7.c3 Bd6 8.d3 0–0 9.Nf3 Be6 10.e4 Nd7–+ 11.Nbd2 Ng6 12.0–0 Nf4 13.ed5 cd5 14.c4 Rc8 15.cd5 Bd5 16.Ne4 Be7 17.a4 Qb6 18.Rb1? Ba2 19.Bd4 Qb1 20.Qb1 Ne2 21.Kh1 Bb1 22.Ba7 Bd3 23.Rd1 Be4 24.h3 Rc1 25.Rc1 Nc1 0–1. mic (2160) – newconquistador (2470), net–chess.com, 2009.

4.Bd3 Bc5

5.Qh5 Kf8 6.a4 Ne7 7.Ba3 Ba3 8.Na3 d6 9.Nb5 Be6 10.Nh3 Nbc6 11.0–0 Qd7 12.Nc3 Bh3 13.Qh3 Qh3 14.gh3 g6 15.Bc4 f5 16.Ne2 d5 17.Bb5 a6 18.Bc6 Nc6 19.Rab1 b6 20.Nc3 Rd8 21.d3 d4 22.ed4 Nd4 23.Kg2 Nc2 24.Rfd1 Nd4 25.h4 Kg7 26.Re1 Kf6 27.Kg3 Nc6 28.f4 Rd3 29.Kf2 Rc3 30.fe5 Ne5 31.Red1 Rd3 32.Rdc1 Rc8 33.Ke2 Rh3 34.Rh1 Rh4 35.Ke3 Ra4 36.h4 b5 37.h5 c5 38.hg6 hg6 39.Rhd1 Rd4! 40.Rf1 Rd3 41.Ke2 c4 42.Ra1 c3 43.Ra6 Kg7 44.Ra7 Nf7 45.Kd3 c2 46.Rc1 Kf6 47.Ra6 Kg5 48.Rc2 (48.Rc2 Ne5 49.Kd2 Rc2 50.Kc2–+). wojtekkk (1635) – dziobic, internet, 2011.

5.Qh5 Kf8 6.Bc4 d5 7.Bb3 Be6 8.Ba3 Ba3 9.Na3 Qe7 10.Nb1 Nc6 11.Qd1 Nh6 12.Ne2 g6 13.Ng3 Kg7 14.a4 a5 15.Nc3 Na7 16.Bd5= Rad8 17.Be6 Qe6 18.0–0 b6 19.Nge4 Rd7 20.Qe2 Nf7 21.Nb5 Nb5 22.Qb5? Rhd8 23.c3? f5–+ 24.Ng3 Rd2 25.h3 Nd6 26.Qc6 Qd5?? 27.Qc7= Nf7 28.Qb6 Rc8 29.Rac1 Rc6 30.Qb7 f4 31.ef4 ef4 32.Nh1 Kh6 33.Qe7 Kg7= 34.Qh4 Rc4 35.Qg4 Ra4 36.h4 Ne5 37.Qg5 Qd6 38.Rfe1? Nf7?? 39.Qg4–/+ Qc5 40.Rf1 Qd5 41.h5 Re4 42.c4 Rc4 43.Rc4 Qc4 44.h6? Nh6–+ 45.Qf3 Qf7?? 46.Qc3+– Qf6 47.Qd2 Ng4 48.f3 Ne3 49.Rc1 a4 50.Rc7 Kh6 51.Qf2 a3 52.Ra7 Qd6 53.Qh4 1–0. wojtekkk – candys84 (1615), internet, 2011.

4.Bd3 Qe7

5.c4 Nh6 6.a3 Ba5 7.Nc3 c6 8.Qc2 g6 9.f4 (9.Nf3 d6+=) 9...d6 (9...ef4 10.e4–/+) 10.Nf3 (10.Nge2 Be6+=) 10...Na6 (10...ef4 11.e4–/+) 11.Ne4 0–0 12.c5 (12.fe5!? fe5 13.c5+=) 12...d5–/+ (worse is 12...Nc5 13.Nc5 dc5 14.fe5+=) 13.fe5 (13.Ba6 de4 14.Bc4 Kg7 15.fe5 ef3 16.ef6 Rf6–+) 13...de4–+ 14.Bc4 Be6 15.ef6 Qd7 (15...Rf6 16.Bf6 Qf6 17.Be6 Qe6 18.Nd4–+) 16.Ne5–/+ Qd2 17.Qd2 Bd2 18.Kd2 Bc4 19.Nc4 Nc5 20.Ke2 Rad8 (20...b5 21.Nd2 Na4 22.Rab1–/+) 21.Rad1 Nd3 22.Bc3 Ng4 23.Rhf1 (23.Rdf1 Kf7–/+) 23...Nh2 24.f7 Rf7 25.Rf7 Kf7 26.Rh1? (better is 26.Nd2!? Nc5 27.Rh1–/+) 26...Ng4–+ 27.Rh7 Ke6 28.Rb7 Rf8 29.Be1 Rh8 (29...Kd5!? 30.Re7–+) 30.Bg3–/+ Rh1 31.Nd6 Nf6 32.Rg7 Rg1 33.Ne4 Ne4 (33...Rg2?! 34.Kf3 Rg1 35.Rg6 Ne5 36.Be5 Rg6 37.Bf6 Rf6 38.Nf6 Kf6 39.Kf4=) 34.Rg6?? (better is 34.Kd3 Kf6 35.Rg6 Kg6 36.Ke4 Rg2 37.Bb8–+) 34...Kf5 35.Rc6 Nc1 (35...Ng3?! 36.Kd3 Rd1 37.Kc2–+) 36.Kf3 Rf1 (36...Rf1 37.Bf2 Rf2#) 0–1. Skliarov,Dimitrij – Lehtinen,Heikki (2245), Tampere op2, 2000.

5.Qh5=+ Qf7 6.Qh4 Nc6 7.Nf3 Nge7 8.g4 d5 9.Rg1?? e4–+ 10.g5 Nf5 11.Qh3?? Nfd4! 12.g6 Qg8 13.Nd4 Bh3 14.Bb5 Bd7 15.Ne2 hg6 16.Rg6 Qf7 17.Rg2 0–0–0 18.Nbc3 Ne5 19.0–0–0 c6 20.Ba4 Bg4 21.Rdg1 g5 22.Rg4 Rh2 23.Nd1 Qh5 (24.Be5 fe5–+; better is 23...Ng4 24.Rg4 Qh5 25.f3 Re2 26.Bf6 Bd2 27.Kb2–+) 0–1. Menzel,Karsten – Dischinger,Frank (2280), Mainz–ch, 1995.

4.Bd3 Ne7

5.Qh5 Kf8 6.a3 Bc5 7.Qd1 Nbc6 8.Nc3 d5 9.Bb5 Bf5 10.Bc6 Nc6 11.Nge2 Kf7 12.Ng3 Bg6 13.h4 h5 14.Nce2 Qd6 15.a4 Rad8 16.d3 a5 17.Ng1 Nb4 18.Nf3 c6 19.0–0 b5 20.ab5= cb5 21.Ra5 Ra8 22.Ra8 Ra8 23.Bc3 Ra2 24.Bb4 Bb4 25.c3 Bc3 26.Qb3 Qa3 27.Qd5+= Kf8 28.e4 b4 29.Qd6 Kg8 30.Qe6 Kh7 31.Nf5 Qa7?? 32.Ne7+– Qa8? 33.Ng6 Kg6+= 34.Qf5 Kf7 35.Qh5 Ke7 36.Qg6 Qg8 37.h5 b3 38.Nh4 b2 39.Nf5 Kd7 40.Qg4?? Ke8 41.Nd6 Ke7+= 42.Nf5?? Kd8 43.Ng7 (43.Ng7 Ra1 44.Ne6 Qe6 45.Qe6 Rf1 46.Kf1 b1Q 47.Ke2 Qc2 48.Kf3 Qd3 49.Kg4 Qe4 50.Kh3 Qd3 51.f3–/+). wojtekkk – gogosc, internet, 2011.

5.Qh5 g6

6.Qh6 d5 7.a3 Bd6 8.Qg7 Rf8 9.Bb5 c6 10.Be2 Bf5 11.Bd3 e4 12.Be2–/+ Qb6 13.Bf6 Nd7 14.Be7 Be7 15.Nc3 Bf6 16.Qh6 0–0–0 17.Rb1 Qa5 18.Nd1 d4 19.ed4 Bd4 20.Qh4 Ne5 21.c3 Nd3 22.Bd3= ed3?? 23.cd4+– Rde8 24.Ne3 Re4 25.Qh6 Rfe8 26.Nf3 Bg4 27.Ne5 Rd4 28.N5g4 Rg4 29.0–0 Ra4 30.Qg7 Qa6 31.Rb4 Ra3 32.Rfb1 b6 33.h3 Ra2 34.R4b2 Ra5 35.Qf7 Rae5 36.Ng4 R5e7 37.Qf3 Qc4 38.Rb4 Qe6 39.Ne3 Rf7 40.Qg3 1–0. wojtekkk – organmaskin (1615), internet, 2011.

6.Qh6 d5 7.Be2?? Bf5 8.Bd3 e4 9.Be2 Nd7 10.c3 Bd6 11.f3 ef3 12.Bf3 Be5 13.d4 Bd6 14.Nd2 c6 15.Ne2 Qb6 16.Rb1?? Bb1–+ 17.Nb1 Qb2 18.0–0 0–0–0 19.a4 Nf5 20.Qh3 Ne3 21.Re1 f5 22.Bd5 Nd5 23.a5 N7f6 24.a6 Ng4 25.ab7 Kb7 26.Qd3 Bh2 27.Kh1 Bc7 28.Qc4 Rde8 29.Na3 Qd2 30.Qb3 Bb6 31.Nc4 Qe1 32.Ng1 Qh4 33.Nh3 Re1 0–1. wojtekkk (1630) – organmaskin, internet, 2011.

6.Qh6 d5 7.Qg7 Kd7 8.Qf6+/– Nbc6 9.Bb5 a6 10.Be5 ab5? 11.Qh8+– Qh8 12.Bh8 Kd6 13.Nc3 Bf5 14.Nb5 Kd7? 15.c3 Ba5? 16.Bd4 Bd3 17.Na3 Nd4 18.ed4 b5 19.Nf3 b4? 20.Ne5 1–0. cagey – FXRHD, Live Game Caissa's Web, 2004.

6.Qh6 Nf5 7.Bf5 gf5 8.a3 Bd6 9.Qh5 Ke7 10.Qf5 Qg8 11.g3 Qg6 12.Qg6 hg6 13.Nf3 b6 14.d3 Bb7 15.e4 Bc5 16.Nbd2 Nc6 17.Nb3 Bd6 18.Nh4 Rag8 19.Nd2 b5 20.Ndf3 Bc5 21.Bc1 Nd4 22.Be3? Nc2–+ 23.Kd2 Be3 24.fe3 Na1 25.Ra1 c6 26.Rb1 a6 27.a4 Ke6 28.ab5 cb5 29.d4 Be4 30.Ne1 Bb1 0–1. wojtekkk – vicek, internet, 2011.

6.Qh6 Kf7 7.a3 Ba5 8.Bc3 Bb6 9.Ne2 Qf8 10.Qh4 d5 11.Ng3 Be6 12.Bb4 c5–/+ 13.Bc3 Nbc6 14.Qa4 Qe8 15.0–0 Bd7 16.Qh4 Qc8 17.Bb5 a6 18.Bc6 bc6?? 19.d3 Nf5=+ 20.Nf5 Bf5 21.Nd2 d4 22.ed4 cd4 23.Bb2 g5 24.Qh5 Bg6 25.Qf3 Qe6 26.Ne4 Be4 27.Qe4 Qd5 28.Qd5? cd5–+ 29.h3 Rac8 30.Rac1 Rc6 31.Rfe1? Rhc8 32.Re2 a5 33.g3 a4 34.Kg2 h5 35.Kf3 Kg6 36.g4 h4 37.Kg2 Ba5 38.f3 Bc3 39.Bc3 Rc3 40.f4 gf4 41.g5 Kg5 42.Kf3 Ra3 43.Rg1 Kf5 44.Rg5 (44.Rg5 fg5 45.Kg2–+). wojtekkk (1690) – maznik61, internet, 2011.

6.Qh6 Kf7 7.Bc4 d5–+ 8.Bb3 Bd6 9.e4 c6 10.ed5 cd5 11.Nf3 Be6 12.0–0 Nbc6 13.d3 Nf5 14.Qd2 a6 15.Nc3 Qd7 16.Nd5 Bd5 17.Bd5 Kg7 18.Bc6 Qc6 19.h3 Rhe8 20.a4 e4 21.de4 Re4 22.Bc1? Rae8 23.Rd1 Re2 24.Qd3 Bc5 25.Rf1 Ng3 26.Be3?? Nf1 27.Bc5? Qc5 28.Rf1 Qc2 29.Qd7 R8e7 30.Qd5 Qe4 31.Qd1 h5 32.Nd4 Rd7 33.Ne6?? Qe6–+ 34.Qb1 Qc6 35.a5 Rdd2 36.Qb4 Rb2 37.Qf4 Qc5 38.Qf3 Qg5 39.Qd3 Qa5 40.Qd7 Kh6 41.Qd3 Qf5 42.Qf5 gf5 43.g3 Kg5 44.h4 (44.h4 Kg4 45.Rc1–+). wojtekkk (1625) – fatmirmiraka, internet, 2011.

4.Bd3 g6–/+

5.a3 Ba5 6.f4 Nc6 (6...ef4 7.ef4 Nh6 8.f5 Nf5 9.Bf5 Qe7 10.Ne2 gf5 11.0–0=+) 7.Nf3 ef4 8.ef4 Qe7 9.Qe2 d5 10.Kd1 Qe2 11.Be2 Kf7 (11...Bf5 12.Re1 0–0–0 13.Ng5=+) 12.Rf1 Nge7 13.Nc3 (13.f5 gf5 (< 13...Bf5 14.g4=) 14.Re1 Rg8–/+) 13...Re8–/+ 14.Rb1 Nd8 15.f5 (15.h3 Kg8=+) 15...Bf5–/+ 16.g4 Bc8 17.Ng5 Kg7 (17...Kg8!? 18.Rf6 h6 19.Nd5 hg5 20.Ne7 Re7 21.Rg6 Kf8 22.Rg5 Nc6=+) 18.Nce4= Ng8 (18...de4 19.Bf6) 19.Nf6+= Nf6 20.Bf6 (< 20.Rf6 Kg8=+) 20...Kg8 21.Rb5 Re2 22.Ke2 Bg4 23.Kd3 Nc6 24.Rd5 h6 25.Ne4 Bf5 26.Rff5 gf5 27.Rf5 Kh7 28.h4 Rf8 29.h5 Bb6 30.c3 a6 31.Ke2 Rf7 32.Rf3 Nb8 33.Be5 Rf3 34.Kf3 Nd7 35.Kf4 Kg8 36.d4+/– Kf7 37.c4 Ba5 38.Kf5+/– Ne5 39.de5 b5 40.e6 Ke7 41.c5 c6 42.Nf6 Bc3? 43.Ng8+/– Kf8 44.Nh6 a5 45.Ke4 (better is 45.Nf7!?+–) ½–½. Schols,Andre – Bendig,Frank, corr or01–006 E–mail, 2001.

5.a3 Bc5 6.Be2 =+.

5.a3 Bf8 6.h4 h5?? 7.g4 hg4 8.Qg4 Rh6 9.h5 g5 10.Bg6 Ke7 11.a4 d5?? 12.Ba3+– c5 13.Bc5 Qd6 14.Bd6 Kd6 15.Qc8 Nc6 16.Qa8 1–0. wojtekkk – slaweczek69, internet, 2011.

5.Qg4 Nc6!? 6.Qh4 Kf7 +=.

5.Qg4 Qe7 6.Qh4 (6.a3 Bc5 7.Qa4 c6=) 6...f5 (6...g5 7.Qg3=) 7.Qe7+= Ne7 (7...Be7 8.Be5 Nf6 9.Bc7+=) 8.Be5+/– Rf8 9.Bc7 b6 (9...Nd5 10.Bg3+/–) 10.Be2 (10.a3 Ba5+/–) 10...d5 (10...Nd5!? 11.Bg3 f4 12.ef4 Nf4 13.Bf4 Rf4+=) 11.a3 (11.c3 Ba5+–) 11...Ba5+/– 12.Bf3 (12.Nc3 Bc3 13.dc3 Na6+/–) 12...Nbc6 13.Bd6 (13.Bf4 d4+/–) 13...Bb7 14.Ne2 0–0–0 15.Bg3 (15.Be7 Ne7 16.Nbc3 Kb8+/–) 15...Rd7 16.0–0 Ng8 (16...g5!? 17.h3 d4+=) 17.Rc1+/– Nf6 (17...Nge7!?+/–) 18.c4+– Kd8 (18...d4!? 19.Bc6 Bc6 20.Nd4 Kb7+–) 19.Nf4 Ke8 20.cd5 Ne5 (20...Nd8 21.Be2 Ke7 22.Bb5+–) 21.Be2 Nfg4 (21...Nd5 22.Bb5 Ke7 23.Bd7 Nd7 24.Nd5 Bd5+–) 22.Bb5 Rff7 (22...a6 23.Bd7 Nd7 24.Rc7+–) 23.d4 a6 (23...g5 24.de5 gf4 25.Bf4 Bd5 26.h3+–) 24.de5 (24.de5 Ne5 25.Bd7 Rd7 26.Nc3+–) 1–0. Bouvier,Clement (1785) – Delpech,Olivier (1775), Elancourt France, Open, 2010.

5.h4 d5 6.h5 g5 7.h6 Be6 8.e4 Ne7 9.Nf3 Nbc6 10.Bb5? (better is 10.a3 Bc5 11.Nc3–/+) 10...de4–+ 11.Ne5 (11.Nh2 0–0–+) 11...fe5 12.Be5 0–0 13.Bg7 Rf5 (14.Qe2 Nd4 15.Qe4 Nc2 (15...Rb5?! 16.Qd4 Qd4 17.Bd4–+; 15...Nb5?! 16.Qe6 Rf7 17.c3–+) 16.Qc2 Rb5–+) 0–1. cagey – cinder, Live Game Caissa's Web, 2004.

4.Be5? fe5–+

5.Qh5 Kf8 6.Qe5 Nf6 7.Qb2 Nc6 8.Nf3 d5 9.Bb5 Bd6 10.0–0 a6 11.Be2 h6 12.d4 Kf7 13.c4 Re8 14.c5 Bh2?? 15.Kh2= Kg8 16.Nc3 Ne4 17.Rac1 Kh8 18.Kg1 Ng5 19.Qb3 Ne7 20.Ng5+/– hg5 21.Kh2 c6 22.Rh1+– Kg8 23.Bd3 Bf5 24.e4 Be6 25.Kg1 Qc8 26.ed5 Nd5 27.Bh7 Kf8 28.Bg6 Nf4?? 29.Rh8 Ke7 30.Re8 Qe8 31.Qb7 Qd7 32.Qa8 Ng6 33.Qa6 Qd4 34.Qc6 Ne5 35.Qb7 Kf6 36.Ne4 Kg6 37.Qe7 Qe4 38.Qe6 Kh7 39.Qh3 Kg8 40.c6! g4 41.Qb3 (41.Qb3 Kh7 42.c7+–) 1–0. b4_player – opponent, gamecolony.com, 2008.

5.Qh5 Kf8 6.Nf3 Nf6 7.Qe5 Nc6 8.Qf4 d5 9.h3 Bd6 10.Qh4 Bf5 11.c3 h6 12.g4 Be4 13.Ng5 Bh1 14.Ne6 Kg8 15.g5 hg5 16.Qg5 Qe7 (17.Nf4 Ne5–+; 16...Qd7 17.Nf4–+) 0–1. Menzel,Karsten – Froehner,Christian (2255), Mainz GER, 1995. Known even as "Metzger – Gomolla, 0–1, 1995".

4.Nf3 d5

5.Bb5 c6 6.Be2 Bf5 7.0–0 Nd7 8.d4 e4 9.Nfd2 Ne7 10.c4 0–0 11.cd5 cd5 12.Nb3 Rc8 13.Bg4 Qb6 14.Bf5 Nf5 15.a3 Bd6 16.a4 Ne7 17.a5 Qc7 18.Qg4 f5 19.Qg5 Nf6 20.N1d2 Qc2 21.Ba3–/+ Ba3 22.Ra3 Rc3 23.h4? h6 24.Qg3 Rb3?? 25.Rb3 Qd2 26.Rb7 Re8 27.Qe5 Kf8–/+ 28.Qe6 Qa5–+ 29.Rfb1 (29…Qa2 30.Qd6–+). communist – paladin1985, Live Game Caissa's Web, 2004.

5.c4 Ne7 6.Be2 Nbc6 7.0–0 0–0 8.a3 Ba5 9.Qc2 Bf5–/+ 10.Qb3 Bb6 11.Rc1 Na5 12.Qa4 dc4 13.Bc4 Nc4–+ 14.Rc4 Qd3 15.Nc3 Rad8 16.Ne1 Qd7 17.Qd7 Rd7 18.Rd1 Rfd8 0–1. McRiley – FleurDeLys, ICC, 1999.

4.Qh5 g6

5.Qg4 Nc6 –/+.

5.Qg4 Ne7?? 6.Qb4+– Nbc6 7.Qb3 d5 8.Nf3 e4 9.Bf6 ef3?? 10.Bh8 Be6 11.Qb2 Kd7 12.Bf6 b6 13.gf3 Qf8 14.Bb5 a6 15.Be7 Qe7 16.Bc6 Kc6 17.e4 de4 18.fe4 Bd5 19.d3 Kb7 20.Nd2 Rf8 21.0–0–0 Bg8 22.f3 h5 23.Rhg1 Bh7 24.a4 g5 25.a5 b5 26.Qb3 Bg8 27.Qc3 g4 28.fg4 hg4 29.Rg4 Be6 30.Rg7 Qd8 31.Nb3 Bb3 32.Qb3 Qf6 33.Qd5 Kb8 34.Rg8 Ka7 35.Rf8 Qf8 36.Kd2 Qf4 37.Kc3 Qh2 38.Rd2 Qh8 39.Qd4 1–0. revbodio1 – Strac58, Live Game Caissa's Web, 2004.

5.Qh4 Qe7 6.Bc4 Kf8 7.Nf3 c6 8.a3 Ba5 9.a4 d5 10.Ba3 Bb4 11.Bb3 Ba3 12.Na3 Be6 13.0–0 Kg7 14.c4 Nd7 15.cd5 cd5 16.Rfc1 Nh6 17.Nb5?? Nf5–+ 18.Qh3 Nd4 19.Qg3 Nb3 20.Rc7 Na1 21.d4 a6 22.de5 ab5 23.ef6 Qf6 24.Ne5 Rhd8 25.Ng4 Bg4 26.Qg4 Qf5 27.Qb4 Rac8 28.Qe7 Qf7 29.Qd6 Rc7 30.Qc7 Qe7 31.g3 Nf6 32.h3 ba4 33.g4 a3 34.g5 Ne4 35.f3 Nc5 (35...Nc5 36.Qe7 Kg8 37.Qd8 Kf7 38.Qd5 Ne6 39.Qd7 Kf8 40.Qe6 Nc2+–; 35...Qc7 36.fe4 Qg3 37.Kf1 de4 38.h4 Rd1 39.Ke2 Qf3) 0–1. elsh1403 – lakyluciano (1650), internet, 2011.

5.Qh4 Be7

6.Bd3 f5 7.Qa4 Bf6 8.Nc3 Nc6 9.Nd5 d6 10.h4 (10.Nf6 Nf6 11.Bb5 Bd7+=) 10...Bd7 11.Ne2 e4 (11...Nd4! 12.Qb4 c5–/+) 12.Nf6+= Nf6 13.Bb5 Rf8 (13...a6 14.Bc4–/+) 14.Nf4 a6 15.Be2 b5 16.Qb3 Na5 17.Qc3 c5 18.d4 (18.0–0 b4 19.Qf6 Rf6 (19...Qf6?! 20.Bf6 Rf6 21.Nd5=) 20.Bf6 Qf6–+) 18...ed3 (18...cd4 19.ed4 Rc8 20.Qa3+=) 19.cd3 b4 20.Qd2 Rb8 21.0–0 Nc6 22.Rac1 a5 23.f3 (23.Qc2 Ng4 24.g3 g5 25.hg5 Qg5+=) 23...a4 24.e4 (24.d4!? a3 25.Ba1+=) 24...a3 25.Bf6 (25.Ba1!?–/+) 25...Qf6–+ 26.g3 b3 (26...b3 27.ab3 Qd4 28.Kh2 Rb3–+) 0–1. Morin – Grehl,Siegfried, corr SOK–89–29, 1989.

6.Bd3 f5 7.Qa4 Bf6 8.Nc3 Ne7 9.Nh3 0–0 10.0–0 d5 11.f4 e4 12.Be2 a6 13.Nd1 b5 14.Bb5=+ c6 15.Be2 Bd7 16.Bf6+= Rf6 17.Qd4 Rf8 18.Nb2 Nc8 19.Nc4 Qf6 20.Ne5 Be6 21.Rab1 Nd6 22.a4 Nf7 23.Nc6!+– Qd4 24.Nd4 Re8 25.Rb6 Bd7 26.a5 Rc8 27.Rfb1 Nc6? 28.Ba6 Rc7 29.Bb7 Nd4 30.Ba8 Nc2 31.Bd5 Kg7 32.Rb7 Rb7 33.Rb7 Be8 34.a6 (34.a6 Kh6 35.a7+–) 1–0. b4_player – opponent, gamecolony.com, 2008.

6.Nf3 d6 7.Bc4 Kf8 8.0–0 d5 9.Bb3 c6 10.c4 Be6 11.Nc3 Na6 12.cd5= cd5 13.e4 Nc5 14.Bd5 Bd5 15.Nd5 b6 16.d4 Nd3 17.Bc3 f5 18.Qg3 f4? 19.Qh3+– Nf6 20.de5 Ne4+/– 21.Ne7 Qe7 22.Bd4 Rd8 23.e6 Rg8 24.Qh6 Ke8 25.Rad1 Ndc5 26.Bc5+– Nc5 27.Rd8 Kd8 28.Ne5 (28.Ne5 Qe6 29.Qf4+/–) 1–0. elsh1403 – hazielklop, internet, 2011.

6.f4 d6 7.Nf3 c5 8.Be2 e4 9.Ng5 fg5?? 10.fg5+/– Bg5 11.Qe4 Qe7 12.Qe7 Ne7 13.Bh8 Nbc6 14.0–0 d5 15.Nc3 Be6 16.Nb5 0–0–0 17.Bf6 Bf6 18.Rf6 Bf5 19.Rc1 a6 20.Nd6 Kc7 21.Nf5 Nf5 22.Rf7 Rd7 23.Rd7 Kd7 24.g4 Nd6 25.c3 b6 26.d4 c4 27.Bf3 Ne7 28.Re1 b5 29.e4 de4= 30.Be4 a5? 31.Kf2 b4 32.cb4 ab4 33.Bb1 Nc6 34.d5 Nd4 35.Ke3 N6b5? 36.Rd1+– c3? 37.Rd4 Na3 38.Rb4 c2 39.Rb7 Kc8 40.Bc2! Kb7 41.Bb3 Kc7 42.Kf4 Kb8 43.Kg5 Kc7 44.Kh6 Kd6 45.Kh7 Nb5 46.Kg6 Nd4 47.h4 Nf3 48.h5 Ne5 49.Kf5 Nf7 50.g5 Ne5 51.g6 (51.g6 Nf3 52.g7+–) 1–0. elsh1403 (1675) – okena (1725), internet, 2011.

6.f4 d6 7.Nf3 Nc6 8.Bd3 f5 9.Ng5?? Bg5 10.fg5 Nge7 11.0–0–/+ Be6 12.g4 Qd7 13.gf5 Nf5 14.Bf5 Bf5 15.c4 0–0–0 16.Nc3 Rdf8 17.Nd5 Be6 18.Nf6 Qg7 19.Rac1 h6 20.d4 hg5 21.Qg5 Qh6?? 22.Qh6= Rh6 23.d5 Bh3 24.dc6 Bf1 25.cb7 Kb7 26.Rf1 Rh3 27.Bc1 Kc6 28.Kg2 Rfh8 29.Rh1 Kc5 30.e4 Kc4 31.Be3?? Re3–+ 32.Nd5 Re2 33.Kf3 Rhh2 34.Rc1 Rc2 35.Rc2 Rc2 36.Nc7 Ra2 37.Ne8 Kc5 38.Ng7 Ra3 39.Kg4 Re3 40.Kg5 Re4 41.Kg6 Rf4 0–1. elsh1403 – bruziewicz (1745), internet, 2011.

3.e3 d5

4.b5 Bd7 5.c4 Be6 6.cd5 Bd5 7.Nc3 c6 8.Nf3 a6 9.a4 cb5 10.Nd5 Qd5 11.ab5 e4 12.Nd4 Nd7 13.ba6 Rb8 14.a7+– Ne7?? 15.ab8Q Kf7 16.Qc7 Ne5 17.Ra5 Qd7 18.Qd7 Nd7 19.Bc4 Ke8 20.Ra8 Nb8 21.Qa4 Nec6 22.Rb8 Ke7 23.Rb7 Kd6 24.Qc6 Ke5 25.Qe6# 1–0. pcmvr (2870) – alctay (1700), net–chess.com, 2009.

4.b5 Be6 (--> 3.b5 d5 4.e3 Be6).

4.b5 Bf5 (--> 3.b5 d5 4.e3 Bf5).

4.Bb5 c6–/+ 5.Be2 Bb4 6.Bh5 g6 7.Be2 Nh6 8.c3 Bd6 9.a4 0–0 10.Ba3 c5 11.d4 ed4 12.cd4 c4 13.Bd6 Qd6 14.Nc3 a6 15.Nf3 Bf5 16.0–0 Nc6 17.Nh4 Kh8 18.Bf3 Ne7 19.a5 Rf7 20.Na4 Rg8 21.Nb6 Bd3 22.Be2=+ Bf5 23.Nf3 g5 24.Nd2 g4 25.g3 Rfg7 26.e4 Be4 27.Ne4 de4 28.Nc4 Qe6 29.Ne3 Nhf5 30.d5 Qf7 31.Nf5 Nf5 32.Bc4 Rd8 33.Qb3 Nd4 34.Qa2 Qh5 35.f4 Nf3 36.Kh1 Rc8 37.Rac1 Rd8 38.Qg2 Nd4 39.Qe4= Nb3?? 40.Bb3+– f5 41.Qg2 Qg6 42.Rfd1 Qd6 1–0. TIROLOCO – HOUDINI2, Live Game Caissa's Web, 2004.

4.c4 c6 5.Qb3 Be6 6.Nf3 Nd7 7.d4 e4 8.Nfd2 f5 9.Nc3 Ngf6 10.Be2 a5 11.b5 c5 12.cd5 a4 13.Na4 Nd5 14.Bc4 Ra4 15.Bd5 Rb4 16.Be6 Rb3 17.Bb3 Qg5 18.g3 cd4 19.Bd4 Bb4 20.a3 Bd2 21.Kd2 f4 22.a4 fe3 23.Be3 Qd8 24.Ke2 Nc5 25.Rhd1 Nd3 26.Bc4 Qf6 27.Bd3 Qb2 28.Bc2 Qc2 29.Kf1 0–0 30.Kg1 h5 31.h4 Rf7 32.a5 1–0. Feilmayr – A de Visser, corr SOK–87–07.

4.d3 Bd6 5.d4 (5.a3 a5 6.b5 Ne7+=) 5...e4 (5...ed4 6.Bd4 Bb4 7.Bc3–/+) 6.Qh5 (6.c4!?=) 6...g6–/+ 7.Qd5?? (better is 7.Qd1 Bb4 8.Nd2–/+) 7…Bb4–+ (7...Bb4 8.c3 Qd5 9.cb4 Nc6–+) 0–1. Ivanov,Daniel (1755) – Zhelyazkov,Vergil, Kesarovski Georgiev Memorial 7th, 2008.

4.d3 Be6 5.Nf3 Bd6 6.d4 e4–/+ 7.Nfd2 Ne7 8.c4 c6 9.Qb3 f5 10.Nc3 0–0 11.g3 Nd7 12.c5 Bc7 13.Ne2 Ng6 14.Bh3 Nf6 15.a4 Qe7 16.b5 Kh8 17.Ba3 f4 18.Be6 fe3 19.fe3 Qe6 20.0–0–0 Ng4–+ 21.Rdf1 Nf2 22.Rhg1 Qh3 23.Nf4? Nf4–+ 24.gf4 Nd3 25.Kb1 Qe3 26.Qc3 Rf4 27.Bc1 Qe2 28.Rd1 Rf2 0–1. Miljanovic,Zeljko (1920) – Mance,Milivoj, CRO–chT2 West, 2005.

4.Bd3 Bb4 5.Qh5 Kf8 6.c4 e4 7.Be2 Ne7 8.cd5 Nd5 9.Bc4 c6 10.Bd5 cd5 11.Ne2 Nc6 12.0–0 Be6 13.Bc3 Bf7 14.Qg4 Rc8 15.a3 Bc3 16.Nbc3 Ne5 17.Qg3 h5 18.h3 h4 19.Qf4 g5 20.Qh2 Bh5 21.Nd4 a6?? 22.Ne6+– Kf7 23.Nd8 Rhd8 24.Rab1 b5 25.f4 ef3 26.gf3 Bf3 27.Qf2 Rc4 28.d4 Rc3 29.de5 Be4 30.Qf6 Ke8 31.Qf7 (31.Qe6) 1–0. wojtekkk (1605) – organmaskin, internet, 2011.

4.Bd3 Bd6 5.Qh5= g6 6.Bg6!+/– Kd7 7.Bf5 Kc6 8.Bc8 Qc8 9.a4 b5?? 10.ab5+– Kb5 11.c3 Ne7 12.Ra5 Kb6 13.Qe2 c6 14.c4 Bb4 15.Ra2 c5 16.Bc3 Nbc6 17.Rb2 a5 18.Nf3 d4 19.ed4 ed4 20.Bb4 ab4 21.0–0 Re8 22.Qd3 Ne5 23.Ne5 fe5 24.Qe4 Qf5 25.Qh4 Ng6 26.Qh6 Rg8 27.g3 Qf6 28.d3 Qg7 29.Qg5 Nf4–/+ 30.Qg7 Rg7 31.Nd2? Nd3–+ 32.Rb3 Nf4 33.Ne4 Ne2 34.Kg2 Nc3 35.Nd6 e4 36.Re1 Re7 37.Nf5 d3 38.Ne7=+ d2 39.Rf1 Kb7?? 40.Nd5+– d1Q 41.Rd1 Nd1 42.Kf1?? Ra3 43.Rb1–/+ Nc3 44.Nc3 Rc3 45.Ke2 Rc4 46.Ke3 Kc6 47.Rb3 Kb5 48.Kf4 Rc3 49.Rb2 Ka4 50.Ke4? Ka3 51.Rb1 b3 52.Kd5 b2 53.Ke4 Rc1 54.Rb2 Kb2 55.f4 Kc3 56.Kf3 Kd3 57.Kg4 c4 58.h4 Re1 59.f5 c3 60.f6 c2 61.f7 c1Q (61...c1Q 62.f8Q Re4 63.Qf4 Rf4 64.Kg5 Re4 65.Kf6 Qc6 66.Kf7 Qg6 67.Kf8 Re8; 61...Re4 62.Kg5 c1Q 63.Kh5 Re5 64.Kg4 h5 65.Kf3 Qf1) 0–1. wojtekkk – afiz (1640), internet, 2011.

4.d4 Bb4=+ 5.c3 Bd6 6.Nf3 e4–/+ 7.Nfd2 b6?? 8.Be2?? Ne7–/+ 9.0–0 Nbc6 10.f3 0–0 11.fe4= de4 12.Ne4+= f5 13.Nd6 Qd6 14.c4 Qg6 15.d5 Nb4 16.Rf3 Rf7 17.Rg3 Qh6? 18.Rh3?? Qd6+= 19.Nc3 f4 20.Nb5 Qg6?? 21.Rf3?? fe3 22.Re3 Bf5?? 23.Rg3 Qh6+/– 24.Ba3 Nc2+= 25.Rc1 Na3=+ 26.Bd3?? Nb5–+ 27.Bf5 Rf5 28.cb5 Raf8 29.d6 cd6 30.Qb3 d5 31.h3 (31.h3 Qc1 32.Kh2 Rf1 33.Qd5 Nd5 34.Rf3 R8f3 35.gf3 Qf4 36.Kg2 Ne3#) 0–1. Nautiluschess – lloydx, ICS blitz, 2000.

4.d4 ed4 5.Qd4 Nc6 6.Bb5 Qd7 7.Bc6 Qc6 8.Nc3 Be6 9.Nf3 Ne7 10.0–0 Nf5=+ 11.Qf4 0–0–0 12.b5 Qc5 13.a4 Qb4 14.Qb4=+ (14.Qb4 Bb4 15.Rfd1=+). gtate (1890) – islanderfan, net–chess.com, 2003.

4.d4 e4 5.a3 Nc6 6.c4 Be6 7.cd5 Bd5 8.Nc3 Be7 9.Rc1 Nh6 10.Nh3 Nf7?? 11.Qh5 0–0?? 12.Qd5+– Qc8 13.Qe4 Nd6 14.Qf3 Re8 15.Be2 a5 16.b5 Na7 17.a4 c5 18.dc5 Qc5 19.0–0 Qb4 20.Ba1 Rac8 21.Nd5 Rc1 22.Nb4 Rf1 23.Kf1 ab4 24.Qd5 Kh8 25.Nf4 h6 26.Ng6 Kh7 27.Ne7 Re7 28.Qd6 (28.Qd6 Nc8 29.Bd3 Kg8 30.Qd5 Rf7 31.Qd8 Rf8 32.Bc4 Kh8 33.Qf8 Kh7 34.Bd3 g6 35.Qf7 Kh8 36.Bf6) 1–0. amator111 (1665) – jarehu, internet, 2011.

4.e4 Bb4 5.ed5 Qd5 6.Nc3 Qf7 7.Nd5?? (better is 7.a3 Bc3 8.Bc3-/+) 7...Qd5–+ 8.Nf3 Ne7 9.c3 Bc5 10.Bb5 (10.d4 ed4 11.Nd4 0–0–+) 10...c6 11.Ba4 Bg4 12.Bb3 (12.d3 Bf3 13.gf3 Nd7–+) 12...Qd3 (12...Qe4!? 13.Kf1–+) 13.Bc2 Qb5 14.Bb3 Nd7 15.c4 (15.h3 Bf5 16.d4 ed4 17.Nd4 Bd4 18.Qd4 Nc5–+) 15...Qb6 16.0–0 e4 17.h3 ef3 18.hg4 fg2 19.Kg2 Ng6 (19...Bd4 20.Rb1–+) 20.Qe2 (20.Re1 Be7–+) 20...Kf7 21.Qd3 (21.Kh1 h5! 22.g5–+) 21…Nf4 (21...Nf4 22.Kf3 Nd3–+) 0–1. elektrooon – rakosnik1, internet, 2012.

4.Be5? fe5–+ 5.Qh5 Ke7 6.Qe5 Be6 7.Nf3–/+ Nc6 8.Qb2 h6 9.b5 Nb8 10.Bd3 Nf6 11.Ne5 Ke8 12.Bg6= Ke7 13.Qb4 Qd6–/+ 14.Qf4 Nbd7 (14...Nbd7 15.d4 Kd8–/+) 0–1. commolot (2105) – yetzaline (2150), net–chess.com, 2007.

4.Nf3 Nc6 5.d3? (5.b5 Na5=) 5...Be6 (better is 5...Bb4!? 6.c3 Bd6–/+) 6.a3 Bd6 7.Be2 Qd7 8.0–0 0–0–0 9.c4 Nge7?? (better is 9...dc4 10.dc4 e4=) 10.c5+– e4 11.cd6 Qd6 12.de4 g5 (12...de4 13.Nfd2+–) 13.ed5 (better is 13.Bf6 g4 14.e5 Qd7+–) 13...Bd5 14.Nbd2 h5 15.h3 (better is 15.e4 g4 16.ed5 gf3 17.Bf3 (17.dc6?! Qd2 18.Bf3 Qb2+–) 17...Nd5 18.Qc2+– (worse is 18.Bh5 Kb8+–)) 15...g4 16.Nd4 gh3 17.g3 h4 18.Bg4 Kb8 19.Kh2 hg3 20.fg3 Bg2 21.Rg1 Ne5+= 22.Rc1 Ng4 23.Qg4+/– f5 24.Nf5?? Nf5?? 25.Qf5?? Qd2–+ 26.Bh8 Be4 27.Kh3 Bf5 28.g4 Qe3 29.Kh4 Rh8 0–1. Fournier,Frederic (2035) – BETIMI (1835), Active (2/0), 2005.

4.Nf3 e4 5.Nd4 Bb4 6.c4 c5 (6...Ne7 7.cd5 Nd5 8.a3+=) 7.a3+= cd4 8.ab4 de3 9.de3 Ne7 (9...Be6 10.c5=) 10.Nc3 Be6 11.cd5 Nd5 12.Bc4 (12.Ne4!? 0–0 13.Bc4=) 12...Nc3+= 13.Qd8 Kd8 14.Be6 Ke7 ½–½. Garbacki,Michal – Pilczuk,Andrzej, corr 1AMM Poland, 1991.

4.Nf3 Bg4 5.Be2 Bb4 6.a3 Ba5 7.0–0 h5 (7...Ne7!?–/+) 8.h3= e4 9.Nd4 c5 (better is 9...Be2!? 10.Qe2 Qd7+=) 10.Bg4+= hg4 11.Qg4 cd4? (better is 11...Qd7 12.Ne6 g5+=) 12.Qg7+– Rh4 13.Qg8 Kd7 (13...Ke7 14.Qg7 Ke6 15.Qb7+– (15.Bd4?! Nd7+–; 15.ed4?! Nd7+/–)) 14.Qd5 Ke8 (14...Kc8 15.Qf5 Nd7 16.Bd4+–) 15.Qe6 Qe7 16.Qc8 Bd8 17.Qb7 (better is 17.Bd4 Qd7 18.Qd7 Kd7 19.f3+–) 17...Qb7–+ 18.Bd4 Qg7 19.Kh2 (19.f3 Rh3 20.fe4 Nc6–+) 19...Bc7 20.g3 (20.Kh1 Qg4 21.f4 ef3 22.Rf3 Rh3 23.gh3 Qf3 24.Kg1 Kf7 25.Ra2 Nc6 26.Be5 Be5 27.d4 Rg8) 20...Qh7 (20...Qg4 21.Kg1 Qh3 22.gh4 Qh2) 21.Kg2 (21.Rh1 Rh3 22.Kg2 Rh1 23.Bf6 Qh2) 21...Rh3 22.Rg1 Rh2 23.Kf1 Qh3 (23...Qf5 24.Rg2 Rh1 25.Rg1 Qh3 26.Ke2 Qg4 27.f3 Qf3 28.Ke1 Rg1) 24.Ke1–+ Nc6 (24...Bg3 25.Kd1 Rh1 26.c3 Rg1 27.Kc2–+) 25.Bf6 (25.Nc3 Rh1 26.Ke2 Qg4 27.Kf1 Qf3–+) 25...Bb6 (25...Bg3 26.Kd1 Rh1 27.c4 Rg1 28.Kc2 Qf1 29.Nc3 Qa1 30.d3 Rc1 31.Kb3 Rb8 32.Nb5 Qb1 33.Bb2 Qd3 34.Ka4 Qc4) 26.Nc3 Kf7 27.Bh4 Rh8 28.Ne4 Qg4 29.Nd6 Kf8 30.Rf1 Ne5 31.d3 Nf3 32.Kd1–+ (32.Kd1 Nd4 33.Kc1–+). Fournier,Frederic (1675) – xonny, Active (5/0), 2004.

4.c4 Bb4

5.Qa4 Nc6–/+ 6.cd5 Qd5 7.Nc3 Bc3 8.Bc3 Bd7 9.e4 Nd4 10.ed5 Ba4 11.Bd4 ed4 12.Nf3 0–0–0 13.Bc4 Re8 14.Kf1 b5 15.Bb3 Bb3 16.ab3 Rd8 17.Ra7 Kb8 18.Ra5 Rd5=+ 19.d3 Ne7 –/+. Ruiz Salinas Berreteago,R – Forns Torremorell,J, corr E III CEAPE 2B/, 1991.

5.Qb3 Qd6 6.cd5 a6 7.Nc3= Bc3 8.dc3 Ne7 9.e4 Nd7 10.Nf3 Nc5 11.Qc2 Bd7 12.Be2 0–0 13.0–0 Ng6 14.Nd2 f5 15.f3 Nf4=+ 16.Rf2 Qg6–/+ 17.Kh1 fe4 18.fe4 Nd5! 19.Rf8 Rf8 20.Bc4 Be6 21.Nf3 Ne4 22.Qe2 Ndc3 23.Be6 Qe6 24.Qe3 Qc4 25.Rc1? Qe2 (25...Qe2 26.Qe2 Ne2–+) 0–1. Laskowski,J – Gruszczynski,Boleslaw, corr 1. AMM Poland, 1991.

5.Qb3 Bd6 6.cd5 Nd7 7.d4 Ne7 8.Nf3 ed4 9.Bd4 Nf5 10.Be2 Nd4 11.Nd4 Nc5 12.Qc2 0–0 13.0–0 Qe7 14.Nd2 Qe5 15.g3 Bh3 (15...Qd5?? 16.Bc4 Qc4 17.Nc4+–) 16.Rfe1 Rfe8 (16...Qd5?? 17.Bc4 Qf7 18.Bf7 Rf7 19.Rad1+–) 17.Bf3 a6 18.Rab1 b5 19.Nc6 Qg5 20.e4 h5 21.Nb3 Nb3 22.ab3 h4 23.b4 Bd7 24.Re2 Kf7 25.Qc3 h3 26.Kf1 Kg8 27.Re3 Kh7 28.Ra1 Kh8 ½–½. Rooijen Van,Peter (1655) – Myatt,John (1680), RC–2009–0–00023, 2009.

5.cd5 Qd5 6.Nc3 Bc3 7.Bc3 Ne7 8.Qa4 Bd7 9.Qc2 Bf5 10.Qa4 Nd7 11.Nf3 Nc6 12.Bc4 Qd6 13.0–0 (better is 13.Qb5!?–/+) 13...Nb6–+ 14.Qb3 Nc4 15.Qc4 Bd3 16.Qg4 Bf1 17.Rf1 (17.Qg7 Qf8 18.Qf8 Rf8 19.Kf1 e4–+) 17...Qd7 18.Qc4 0–0–0 19.Rb1 Qd5 20.Qa4 a6 21.e4 Qd3 22.Qb3 b6 23.Rc1 (23.Qe6 Kb7 24.Re1 Qd7–+) 23...Qe4 24.Qe6 Kb7 25.d4 (25.h3 Rhe8 26.Qb3 Qd5–+) 25...Qd5 (25...Rhe8 26.Qc4–+) 26.Qg4 (26.Qd5 Rd5 27.de5 fe5–+) 26...e4 (better is 26...ed4!? 27.Rd1–+) 27.Nd2 Nd4 28.Bd4 Qd4 29.Nb3 f5 30.Qe2 Qd3 31.Qe1 Rd5 32.h3 e3! 33.fe3 Re8 34.Rc3 Qd1 35.Qd1 Rd1 36.Kf2 c5 37.Ke2 Rd5 38.Kf3 Kc6 39.g4 g6 40.gf5 gf5 41.Kf4 Kd6 42.Rc2 h6 43.Nd2 b5 44.e4 fe4 45.Ne4 Kc6 46.Rg2 Re6 47.Nc3 Rh5 48.Rg3 b4 49.Nd1 c4 50.Ne3 Kc5 51.Rg8 Rh4 52.Ng4 Rh3 53.Rc8 Rc6 54.Re8 c3 55.Re5 Kd4 56.Re4 Kc5 57.Re5 Kb6 58.Re1 c2 59.Rc1 Rd3 60.Ne3 Rd2 61.Ke4 Rc5 62.Kf3 a5 63.Ke4 a4 64.Kf3 b3 65.ab3 ab3 66.Rc2 Rdc2 67.Nc2 bc2 68.Ke4 c1Q 69.Kf3 Re5 70.Kg4 Qf1 71.Kg3 Rg5 72.Kh2 Qg2 0–1. Glowacki,Andrzej – Poplawski,Maciej, Suwalki Poland, Open, 2012.

5.cd5 Qd5 6.Nc3 Bc3 7.Bc3 Ne7 8.Nf3 0–0 9.h3 Nbc6 10.d4 e4 11.Nd2= Be6 12.Bc4 Qd7–/+ 13.Qb3 Bc4 14.Qc4 Kh8 15.0–0 f5–/+ 16.Nb3 b6 17.Rad1 Nd5 18.f3?? Ne3–+ 19.Qd3 ed3 0–1. gtate (1780) – mugley (1730), net–chess.com, 2002.

4.c4 Be6

5.cd5 Bd5 6.a3 Nc6 7.Nf3 Nge7 8.Be2 Nf5 9.Nc3 Be6 10.0–0 Bd6 11.Rc1 0–0 12.Ne4 Bd5 13.Nd6 Qd6 14.d4 Bf3 (better is 14...a6=) 15.Bf3+– ed4 16.Bc6 bc6 17.ed4 Rad8 18.Qf3 Nd4 19.Bd4 Qd4 20.Qc6 Qb6 21.Qc7 Qc7 22.Rc7 a6 23.Ra7 Rd6 24.f3 Rf7 25.Ra8 Rf8 26.Ra7 Rf7 27.Rf7 Kf7 28.Ra1 Ke6 29.a4 Kd5 30.Rd1 Kc6 31.Rd6 (31.Rc1!? Kb6 32.Re1+/–) 31...Kd6= 32.Kf2 Kd5 33.Ke3 Kc4 34.b5 ab5 35.ab5 Kb5 36.Kd4 Kc6 37.g4 Kd6 38.f4 Ke6 39.h4 g6 40.Ke4 h6 41.h5 gh5 42.gh5 f5 43.Kd4 Kf6?? (better is 43...Kd6 44.Kc4 Kc6=) 44.Kd5+– Kg7 (44...Kf7 45.Ke5 Ke7 46.Kf5 Kf7+–) 45.Ke5 Kf7 46.Kf5 Kg7 47.Ke6 Kg8 48.Ke7 Kg7 49.f5 Kh7 50.f6 Kg8 51.f7 Kh7 (51...Kg7 52.f8Q Kh7 53.Qc8 Kg7 54.Qg4 Kh8 55.Kf6 Kh7 56.Qg7) 52.Kf6 Kh8 53.f8Q Kh7 54.Qg7 1–0. Fournier,Frederic (1765) – davds7 (1930), Active (5/0), 2005.

5.cd5=+ Bd5 6.a3 Nh6 7.Nc3 Bf7 8.Nf3 Be7 9.d4 ed4 10.Nd4 0–0 11.Be2 c6 12.0–0+= Nd7 13.Ne4 Qb6 14.Nb3 Rfd8 15.Qc2 Ne5 16.h3 Kh8 17.Na5 Bg6 18.Nc4 Nc4 19.Qc4 Nf5 20.Rfd1 Ne3 21.fe3+/– Qe3 22.Nf2 Rd2 23.Rd2+– Qd2 24.Bc3 Qe3 25.Qd4?? Qg3?? 26.Rd1+– h6 27.Qg4 Qg4 28.Bg4 (28.Bg4 Rd8 29.Rd8 Bd8 30.Bd4+–) 1–0. Ganesan,Arasu – Grund,Karl, corr, 1991.

4.d3 Bb4–/+

5.c3 Ba5 6.Qa4 Nc6 7.Nd2 Nge7 8.Be2 0–0 9.Ngf3 a6 10.Ba3 Bc3–+ 11.Rb1 b5 12.Qc2 Bd2 13.Nd2 Bf5 14.Be7 Qe7?? 15.Qc6+/– (15.Qc6 Rfd8 16.Rc1+/–) 1–0. chexxal – phillane, internet, 2007.

5.c3 Bd6 6.Ba3 –/+.

4.Bd3 c5??

5.bc5 Bc5 6.Qh5 Ke7 7.c4 e4 8.Be2 Be6 9.cd5 Qd5 10.Qd5 Bd5 11.d3?? ed3–/+ 12.Bd3?? Nc6 13.Nf3 Bf3 14.gf3 Bb4 15.Bc3 Bc3 16.Nc3 Rd8 17.Be4 Kd7 18.Ke2 Kc7 19.a4 a6 20.a5 Nge7 21.Rhc1 Kb8 22.Rcb1 Ka7 23.Rb6 f5 24.Bd3 g6 25.e4 fe4 26.Be4? Rd7 27.Rab1? Rhd8 28.f4 Rd2?? 29.Kf3 R8d7 30.Na4 Nd4?? 31.Kg4+= Nec6? 32.Nc5+– Re7 33.f3 Rg2?? 34.Kh3+– Ra2 35.Nb7 Na5?? 36.Nc5 Re4?? 37.Ra6 (37.Ne4?! Nb5 38.Re6 Nb7+–) 1–0. wojtekkk – rydzykzewsi (1670), internet, 2011.

5.bc5 Bc5 6.Qh5 Kf8 7.Ba3 Qa5 8.Bc5 Qc5 9.Bf5 Nc6 10.Ne2 Nge7 11.0–0?? Bf5–+ 12.c3 Bg6 13.Qg4 Kf7 14.a4 Rhe8 15.Na3 a6 16.h4 h5 17.Qd7 Rab8 18.Ng3 Red8 19.Qh3 Kg8 20.Ne2 d4 21.cd4 ed4 22.Rfc1 Qf5 23.Qf5 Nf5 24.e4 Nh4 25.d3 f5 26.ef5 Bf5 27.Nc4 Bd3 28.Nf4 Bc4 29.Rc4 Ne5 30.Rc7 d3 31.Rd1 Rd6 32.g3 Nhf3 33.Kg2 Ng5 34.Nh5 Ne4 35.Rg7 Kf8 36.Rh7 Nf6 37.Nf6= Rf6? 38.Rh8+– Ke7 39.Rb8 Nc6?? 40.Rb7 Kd6 41.Rd3 Kc5 42.Rf3 Rf3 43.Kf3 Ne5 44.Kg2 Nd7 45.g4 (45.g4 Ne5 46.g5+–) 1–0. wojtekkk – polynesia46 (1735), internet, 2011.

5.bc5 Bc5 6.Qh5 Kf8 7.a4 Be6 8.Ba3 b6 9.Bc5 bc5 10.Bb5 Ne7 11.Qd1 a6 12.Be2 Nbc6 13.d3 g6 14.Nf3 Kg7 15.0–0 Rb8 16.Nbd2 h5 17.Nb3 Qd6 18.h3 Nf5 19.Nh2 d4 20.e4 Nfe7 21.Nd2 f5 22.ef5 Nf5 23.Bf3 Bd5 24.Bd5 Qd5 25.Nc4 Nb4 26.a5 Rhf8 27.Nb6 Qc6 28.Qe2 Rfe8 29.Nf3 Kf6 30.Qd2 Kg7 31.Rfe1 Qd5?? 32.Nd5+– Nd5 33.Re5 (33.Re5 Re5 34.Ne5+–) 1–0. wojtekkk – lesiek007, internet, 2011.

4.Bd3 c6

5.Qh5= Kd7 6.b5 e4 7.bc6 Nc6?? 8.Bb5?? Bd6? 9.Bc6?? bc6? 10.Qf7?? Qe7–/+ 11.Qe7 Ne7 12.Ne2 Rb8 13.Bc3 Ba6 14.Nd4 c5 15.Nb3 Nc6 16.d3 ed3 17.cd3 Rhe8 18.0–0? Re7?? 19.N1d2? Bd3–+ 20.Nf3 Be4 21.Nh4 Ne5 22.Be5 Be5?? 23.Nc5=+ Kd6 24.Ne4 de4 25.Rad1 Ke6 26.g3 Rb2 27.Ra1 Rc2 28.Rac1 Ra2 29.Rfd1 a5 30.Rc6 Kf7 31.Nf5 Ra7 32.Rb1 g6 33.Nh6 Kg7 34.Ng4 Ra1 35.Ra1 Ba1 36.h4 a4 37.Rc1 Bb2 38.Rb1 a3 39.f4 h5 40.Nf2 a2 41.Rd1 a1Q 42.Ra1 Ra1 43.Kg2 Ra3 44.Ne4 Re3 45.Nd6 Rd3 46.Ne8 Kf7 47.Nc7 Rd2 48.Kf3 Bd4 49.Nb5 Bb6 50.Ke4 f5 51.Ke5 Re2 52.Kd5 Rg2 53.Nd6 Ke7 54.Nc8 Kd7 55.Nb6 Kc7 56.Nc4 Rg3 57.Ne5 Rg1 58.Ke6 Rf1?? 59.Ng6= Rg1 60.Kf5 Rg4 61.Ne5 Kd6?? 62.Nf7 Ke7 63.Nh6 Rh4 64.Kg5 Rf4 65.Kf4 Kf6 66.Ng8 (66.Ng8 Ke6 67.Kg5=). wojtekkk – gigismau, internet, 2011.

5.Qh5= Kd7 6.Bf5 Kd6 7.Bc8 Qc8 8.Ba3 b6 9.b5 c5 10.Ne2 Qe6 11.d4 Nd7 12.dc5 bc5 13.0–0 Ne7 14.f4 g6 15.fe5 Qe5 16.Qe5 fe5 17.Nbc3 Bg7 18.Rfd1 a6 19.e4 d4–/+ 20.b6? Nb6–+ 21.Rab1 Nc4 22.Bb2 Rhb8 23.Na4 Nc6 24.c3 Nb2 25.Rb2 Rb2 26.Nb2 Na5 27.cd4 cd4 28.Nc4?? Kc5 29.Rc1?? Nc4–+ 30.Ng3 d3 31.Rd1 Kd4 32.h3 Bh6 33.Nf1 Ke4 34.Kf2 Kd4 35.Ke1 e4 36.Ng3 Rf8 37.Nf1 Rf1! 38.Kf1 Ne3 39.Ke1 Nd1 40.Kd1 e3 41.g4 e2 42.Ke1 Ke3 43.h4 d2 0–1. wojtekkk (1650) – kaskar, internet, 2011.

4.Bd3 Be6

5.b5 b6 6.a4 a5 7.ba6 Na6 8.Ba6 Ra6 9.Qe2 Ra5 10.Bc3 Rc5 11.Na3 Bd6 12.Bb4 Rc4?? 13.Bd6 cd6 14.Nf3?? Ne7?? 15.Nc4+– dc4 16.0–0 d5 17.d3 c3 18.d4 e4 19.Ne1 Qc7 20.Qb5 Bd7 21.Qe2 0–0 22.f4 f5 23.g3 g6 24.Ng2 h5? 25.Nh4 Rf6? 26.Rfb1 Kg7 27.a5! ba5 28.Ra3 Kh6 29.Qe1 Rc6 30.Rbb3 g5 31.fg5 Kg5 32.Rc3 a4 33.Rc6 Qc6 34.Qf2 Qb5 35.Qf4 Kf6 36.Qd6 Be6 37.Qe6 (37.Qe6 Ke6 38.Ra1–+) 1–0. wojtekkk – petrutrifan, internet, 2011.

5.b5 Bd6 6.a4 Ne7 7.Qh5 Bf7 8.Qh3 Ng6 9.Bg6 Bg6 10.Qe6 Qe7 11.Qd5 c6 12.bc6 Nc6 13.Qb5 a6 14.Qe2 Bc2 15.Nf3 Rd8 16.0–0–/+ e4 17.Nd4? Bd3 18.Qe1? Be5 19.Nc6 bc6 20.Be5 Qe5 21.Nc3 0–0 22.h3? Rb8 23.Qd1 Bf1 24.Qf1 Rb2 25.Qc4 Kh8 26.Qc6 Rd2 27.Ne4?? Qa1–+ 28.Kh2 Rdd8 29.Nc5 Rc8 30.Qd6 Qa3 31.g3 Qc5 32.Qf4 Qe5 33.Qb4 h6 34.h4 Rfe8 35.a5 Rc2 36.Kg2 Qe3 37.Qf4 Qf4 38.gf4 Ree2 39.Kf3 Rf2 40.Ke4 Rc4 41.Kd5 Rff4 42.h5 Ra4 43.Kc6–+ Ra5 44.Kb6 Rh5 45.Kc6 Rd4 46.Kb6 Rd1 47.Kb7 a5 48.Ka6 a4 49.Ka7 (49.Kb7 a3 50.Kc7 a2 51.Kc6 Rh2 52.Kb5 Rb2 53.Kc4 a1Q 54.Kc5 Qc1) ½–½. wojtekkk (1665) – maznik61, internet, 2011.

5.b5 Bd6 6.Qh5 Bf7 7.Qd1 Ne7 8.c3 0–0 9.Ne2 c6 10.0–0 a6 11.ba6 Na6 12.Ba6 Ra6 13.a4 Qa8 14.d3 b5 15.a5 Ra5 16.Ra5 Qa5 17.Nd2 Ra8 18.Qc2 Qd8 19.h3 Ra7 20.Ra1 Qa8 21.Ra7 Qa7 22.g3 Qa2 23.Kg2?? Ba3 24.Nf3 Qb2 25.Qd1 c5 26.h4 c4 27.d4 Qb3 28.Qa1 e4 29.Nh2 Qb2 30.Qe1 b4 31.cb4 Bb4 32.Qd1 Qa3 33.Ng4 c3 34.Nc3 Bc3 35.Qb1 Qb2 36.Qf1 h5 37.Nh2 Nf5 38.g4 Ne3 (38...Ne3 39.Kh1 Nf1 40.Nf1 Qf2 41.Nh2 Bd4 42.Nf3 ef3 43.gh5 Qh4) 0–1. wojtekkk – omonstro, internet, 2011.

5.Bb5 c6–/+ 6.Be2 Bd6 7.a3 Ne7 8.Bh5 Ng6 9.Bg6 hg6 10.d3 Nd7 11.Nd2 Qe7 12.c4 c5 13.bc5 Nc5 14.cd5 Nd3 15.Ke2 Nb2 16.Qb3 Nd3 17.Qd3 Bd7 18.a4 Kf7 19.Qb3 b6 20.Ngf3 Rac8 21.h3 g5 22.Rhc1 Rc1 23.Rc1 g4 24.hg4 Bg4 25.Ne4 f5? 26.Nd6+/– Qd6 27.Rc6 Qd8 28.d6 Kf8 29.Rc7 Bh5 30.Qe6 e4 31.Rc8 ef3 32.gf3 (32.gf3 Qc8 33.Qc8 Be8 34.d7+–) 1–0. wojtekkk – niko110, internet, 2011.

5.h4 Bd6 6.h5 Ne7 7.h6 g6 8.Bb5 c6 9.Be2 Bb4 10.Bc3 Bd6 11.a4 Nd7 12.Bg4 f5 13.Be2 Kf7 14.d4 Rg8 15.de5= Be5 16.Be5 Ne5 17.Nf3 Nf3 18.Bf3 Re8 19.Qd4 Rg8 20.Nd2 Qd6 21.0–0 c5 22.Qh4 Rad8 23.c3 b6 24.Rfd1 Qe5 25.a5 Qc3 26.ab6 ab6 27.Ra7 Rd7 28.Rd7 Bd7 29.Qf4 Be6 30.Qd6 Qa5 31.Nb3 Qa7 32.Nd2? Qb7?? 33.Be2?? Qc6?? 34.Qg3–/+ Rc8 35.Nf3 Qc7?? 36.Qc7 Rc7= 37.Ne5?? Kf6–+ 38.Nd3 c4 39.Nf4 b5 40.Nd5 Bd5 41.Bf3 Bf3 42.gf3 Ke6 43.f4 c3 44.Rc1 b4 45.Kg2 b3 46.e4 fe4 47.f3 e3 48.f5 Nf5 49.f4 b2 50.Rb1 (50.Rb1 c2 51.Rg1 c1Q 52.Rd1 Qc2 53.Kh3 Qf2 54.Rg1 Qf3 55.Kh2 Rc2 56.Rg2 Qg2) 1–0. wojtekkk (1635) – maznik61, internet, 2011.

5.Qh5 Bf7 6.Qg4 Qd7 7.Qd7 Nd7 8.a3 a6 9.Be2 Bd6 10.d3 Ne7 11.Nf3 Ng6 12.0–0 0–0 13.Nbd2 f5 14.c4 c6 15.c5 Bc7 16.Ng5 Be8? 17.Ne6+– Bd8 18.Nf8 Kf8 19.Bh5 Ke7 20.Bg6 hg6 21.Nf3 Kf6 22.h3 Bc7 23.e4! d4 24.ef5 gf5 25.Rfe1 Bf7 26.Nh2 g5 27.g4 f4 28.f3 Rh8 29.Kg2 Bd5 30.a4 Nf8 31.b5 ab5 32.ab5 Ng6 33.bc6 Bc6 34.Rh1 Nh4 35.Kf2 Ng6 36.Nf1 Nh4 37.Nd2 Ng6 38.Ne4 Be4 39.fe4 Ne7 40.Ra7 Rb8 41.Ba3 Nc6 42.Ra4 Rh8 43.Rc4 Na5 44.Rb4 Nc6 45.Rb7 (45.Rb7 Rh7 46.Rhb1+–) 1–0. wojtekkk (1670) – maznik61, internet, 2011.

5.Qh5 Bf7 6.Qg4 Qd7 7.Qd7 Nd7 8.b5 c6 9.bc6 bc6 10.a4 a5 11.Ba3 Ba3 12.Na3 Ne7 13.Be2 0–0 14.Nf3 h6 15.0–0 Rfb8 16.h3 Rb2 17.Rfb1 Rab8 18.Rc1 Nc5 19.Ne1 Ne6 20.Nd3 R2b6 21.Bg4 f5 22.Be2 Ng6 23.h4 e4–+ 24.Ne1 Nh4 25.d3 Ng6 26.de4 fe4 27.f3 ef3 28.Nf3 Kf8 29.Bd3 Ke7 30.Bg6 Bg6 31.Ne5 Be8 32.c4 d4 33.ed4–/+ Nd4 34.c5 Rb3 35.Re1 Kf6 36.Ng4? Kg5–/+ 37.Nf2 Kf5 38.Rf1 Ne2 39.Kh2 1–0. wojtekkk (1685) – maznik61, internet, 2011.

4.Bd3 Ne7

5.Qh5 g6 6.Qd1 Be6 7.Bb5 c6 8.Be2 Bg7 9.b5 c5 10.a4 b6 11.d3 0–0 12.c3 Nd7 13.Nf3 Qc7 14.0–0 Rad8 15.Nbd2 d4 16.e4 dc3= 17.Bc3 Rfe8 18.Qb1 Nf8 19.Bd1 Bg4 20.h3 Bf3 21.Nf3 Ne6 22.Bb3 Qd7 23.Bc4 Kh8 24.Bd2 Nd4 25.Nd4 ed4 26.Qc1 f5 27.ef5 Nf5 28.a5 Re2 29.Bf4 Rde8 30.ab6 ab6 31.Bg5 h6 32.Bf4 g5 33.Bh2 Be5 34.Be5 R8e5 35.Ra8 Re8 36.Re8 Qe8 37.Qa3 Qb8 38.Qc1 Nh4 39.Qd1?? Qb7 40.f3 Qe7 41.Rf2 Rf2 42.Kf2–/+ Qe3 43.Kf1 Nf5 44.Qa1?? Ng3 0–1. wojtekkk – omonstro, internet, 2011.

5.Qh5 g6 6.Qd1 Bg7 7.a3 Be6 8.Bb5 c6 9.Be2 Nd7 10.d3 a5 11.ba5 Qa5 12.Bc3 Qc7 13.Bg4 Bg4 14.Qg4 0–0 15.Qe6 Kh8?? 16.Qe7+– c5 17.Qe6 f5? 18.Qd5 Nb6 19.Qf3 Na4 20.Ne2 c4 21.0–0 cd3 22.cd3 Nc3 23.Nbc3 e4 24.Qg3 Qg3 25.Ng3 Bc3+/– 26.Rac1 Be5 27.de4 Bg3 28.hg3 fe4 29.Ra1 Rfd8 30.Rfb1 Rd3 31.a4 Rb8 32.Rb4 Rd5 33.Re4 Ra5 34.Rb4 b5? 35.e4 Kg7?? 36.f3 Kf6?? 37.Kf2 Ke5?? 38.Ke3 Kd6 39.Kd4 Kc6?? 40.Rc1+– Kd6 41.e5 Ke6 42.Rc6 Kf5 43.g4 Kf4 44.Rf6 Kg3 45.Rb2 Ra4 46.Kc5 b4 47.e6 b3 48.e7 Ra5 49.Kc4 Re5?? 50.Rf7 Rc8? 51.Kb3?? Rb8 52.Kc3 Rc5?? 53.Kd3 Rd5 54.Ke4 Re5 55.Ke5 (55.Ke5 Rb2 56.Rh7 Kg2 57.Rh8+–) 1–0. wojtekkk – pauloregato, internet, 2011.

4.Nf3 Bb4

5.a3 Bf8 6.Nh4 b6?? 7.Qh5+/– g6 8.Ng6!+– hg6 9.Qh8 Ne7? 10.Qf6 1–0. Wall,Bill – Seminole, internet, 2001.

5.c4 Nc6 6.Qa4 Nge7 7.cd5 Nd5 8.Bb5 Bd7 9.0–0 Qe7 10.a3 Bd6 11.d3 (11.Qb3 a6 12.Bd3–/+) 11...a6–+ 12.Bc6 Bc6 13.Qb3 Qe6 14.Nbd2 0–0 15.Rac1 Kh8 16.Qc2 Qg4 17.h3 Qh5 18.d4 ed4 19.Nd4 Bd7 20.Nc4 Be7 21.Qd1 Qg6 (21...Qd1!? 22.Rfd1 Rad8–/+) 22.Qf3= c6 23.e4 Nc7 24.Rfd1 Rad8 25.Na5 Bc8 26.Nf5 Qf7 27.a4 Rd1 28.Rd1 Rd8 (better is 28...Bb4!? 29.Bc3 Bc3+=) 29.Rd8+= (worse is 29.Ne7 Rd1 30.Qd1 Qe7=) 29...Bd8 30.Nd6 The backward pawn on b7 becomes a target 30...Qd7 31.Qf5 White plans e5 (better is 31.Nab7!? Bb7 32.Nb7+=) 31...Ne6+= (31...Qd6 32.Qc8 Ne6 33.Nb7+–) 32.Nc8 Ba5 (worse is 32...Qc8 33.Nb7 Bb6 34.a5 Bf2 35.Kf2 Qb7 36.Bf6 Qa7 37.Kf3+=) 33.Qa5 Qc8 34.Qf5 Qd7 35.e5 fe5 36.Qe5 Kg8 37.f4 Nc7 38.f5 Nd5 39.Ba3 Kf7 40.g4 Nf6 41.Qe3 Qd1 42.Kh2 Qd7 43.g5 (43.Kg1!?=) 43...Nd5–/+ 44.Qe5 Ne7 (44...b5!?–/+) 45.Be7= Qe7 46.g6 hg6 47.fg6 Ke8 48.Qb8 Qd8 49.Qb7 Qd6 50.Kh1 Qg6 51.Qa6 Qe4 52.Kh2 Qc2 53.Kg3 Qg6 54.Kf4 Qh6 55.Ke4 Qe6 56.Kf4 Qd6 57.Ke3 Qc5 58.Kd2 Qd4 59.Ke1 Qc3 60.Kf2 Qf6 ½–½. Cocquyt,T (2125) – Van Kessel,Wessel (1950), Bruges Masters, 2015. (=1.Nf3 d5 2.b4 f6 3.Bb2 e5 4.e3 Bb4)

5.Be2 Ne7 6.0–0 0–0 7.c4 c6 8.cd5 cd5 9.a3 Bd6 10.Nc3 Be6 11.h3 Nbc6 12.d3 Qc7 13.Qb3 Bf7 (13...Qd7 14.d4–/+) 14.Nb5 Qb6 15.Nbd4?? (better is 15.Qa4–/+) 15...ed4 16.Qb6 ab6 17.Nd4 Nd4 18.Bd4 Bc5 19.Bb2 Rfe8 20.d4 Bd6 21.Rfc1 Nc6 22.Bb5 Rac8 23.a4 Red8 24.Ba3 Ba3 25.Ra3 Na5 26.Rac3 Be6 27.f4 (27.Rc7 Rc7 28.Rc7 Rc8 29.Rc8 Bc8–+) 27...f5 28.Kf2 Rc3 29.Rc3 Rc8 30.Rc8 Bc8 31.g4? (31.Ke2–+) 31…fg4 0–1. Fournier,Frederic (1860) – chinomafm (1725), Active (7/0), 2005.

5.Nh4 Be7?? 6.Qh5+/– Kd7 7.Qf7?? Qf8 8.Qd5 Ke8 9.Nf3 Nc6 10.Bb5 Bd7 11.d4 e4 12.Nfd2 Qf7 13.Qf7 Kf7 14.Ne4 a6 15.Ba4 b5 16.Bb3 Ke8 17.0–0 Nh6 18.h3 Nf5 19.Nc5 Bc5 20.dc5 Na5 21.Nc3 Nb3 22.ab3 c6 23.Ne4 Be6 24.Nd6 Nd6+= 25.cd6 Kd7 26.Rfd1 Rhd8 27.e4 c5 28.e5 fe5 29.Be5 g6 30.Kh2 Kc6 31.Kg3 Bf5 32.Rd2 Rd7 33.f4 Rad8? 34.Ra6+– Kb7 35.Ra1 Kb6 36.Kf3 h5 37.g4 hg4 38.hg4 Be6 39.Ke4 Kc6? 40.f5 gf5 41.gf5 Bf7 42.Bf6 Rg8 43.Be7 Rg4 44.Kf3 Rg8 45.f6 Bd5 46.Kf4 Bf7 47.Kf5 Kb6 48.c4! bc4 49.bc4 Bc4 50.Rb2 Kc6 51.Rab1 Rd6?? 52.Rb6+– Kd5 (52...Kd5 53.Rd6) 0–1. j1a9n55 – antoniusz555, internet, 2011.

4.Qh5 g6

5.Qd1 Bg7 6.b5 Ne7=+ 7.Nf3 0–0 8.d3 d4 9.e4 Bg4 10.Be2 c6 11.a4 cb5 12.ab5 Qb6 13.c4 dc3 14.Nc3 Qb5?? 15.Nb5+– Nbc6 16.Ba3 a6 17.Nd6 b5 18.0–0 b4 19.Bb2 a5 20.h3 Be6 21.Nc4 Nc8 22.Qa4 Bd7 23.Qc2 N8e7 24.Ne3 Rfc8 25.Nd5 Nd5 26.ed5 Nd4 27.Qd1 a4 28.Bd4 ed4 29.Nd4 b3 30.Bf3 Ra7 31.Nc6 Bc6 32.dc6 f5 33.d4 h5 34.Qd2 Rb8 35.Rfb1 a3 36.Qc3 (36.Qc3 Bf8 37.Rb3+–; 36.Qf4 Rd8 37.Rb3 Kh7+–) 1–0. stoker – hercules53, Live Game Caissa's Web, 2005.

5.Qe2 Bb4 6.Nf3 Bg4 7.Qd1 Nc6 8.Be2 Bf3 9.Bf3=+ e4 10.Bg4 Ne5 11.Be2 Ne7 12.0–0 0–0 13.d3 ed3 14.cd3 Bd6 15.d4 N5c6 16.Qb3 Na5 17.Qc3 Nec6 18.Bf3 Kg7 19.Bd5?? Bh2 20.Kh2 Qd5 21.Kg1 Nc4 22.Nd2 Nb2 23.Qb2=+ b6 24.Nf3 Rfe8 25.Rfd1 Re4 26.Nd2 Rh4 27.Nf3 Rh6 28.e4 Qe4–/+ 29.Re1 Qg4 30.Qc2 Qh5–+ 31.Kf1 Qh1?? 32.Ke2+= Re8 33.Kd3?? Nb4 34.Kc3 Re1 (34...Re1 35.Re1 Nc2 36.Rh1 Rh1 37.Kc2 Rf1–+; < 34...Nc2 35.Rh1 Na1 36.Ra1–+) 0–1. stoker – jeanne2, Live Game Caissa's Web, 2006.

5.Qe2 f5 6.Be5 Nf6 7.Qb5 Nc6 8.Nf3 a6 9.Qd3 Nb4 10.Qc3 Ne4 11.Qc7 Nc2 12.Ke2 Rg8 13.Qc2+– Qa5 14.d3 Nc5 15.Nd4 Bd7 16.Nb3 Nb3 17.Qb3 Bb4 18.a3 Ba4 19.Qb4 Qb5 20.Qb5 Bb5 21.Nc3 Bc6 22.Kd2 b5 23.Be2 0–0–0 24.Rhc1 Rge8 25.d4 Rd7 26.h3 Re6 27.f4 Ba8 28.Nb5 Bc6 29.Nc3 Rb7 30.Ba6 1–0. Familyfork – FieldMarshall, Live Game Caissa's Web, 2004.

5.Qh4 Nc6 6.b5 Nb4 7.Na3 Bf5 8.Nf3 Qd6 9.d3 d4 10.ed4 Nd3 11.Bd3 Qb4 12.Nd2? Qb2–+ 13.Rb1 Qa3 14.Bf5 Bh6?? 15.Be6= Bd2 16.Kd2 Qe7 17.d5+= Rd8 18.Ke2 Qc5 19.Rhc1 Ne7 20.c4 Rd6 21.Rb3 Re6+= 22.de6 Nf5 23.Qe4 Nd4 24.Kf1 Nb3 25.ab3 Qa3 26.Rd1 Ke7 27.Qb7+– Qc5 28.Rd7 Ke6 29.Qc7 Qc7 30.Rc7 Ra8 31.Rh7 f5 32.Ke2 e4 33.h4 f4 34.h5 g5?! 35.Rc7 Ke5 36.h6 1–0. Mroz – Wasniewski, corr Poland, 1988.

5.Qh4 Qd6 6.b5 Bf5 7.g4 Bc2–/+ 8.Nc3 Nd7 9.Rc1 Be4 10.Ne4 de4 11.Bc4 0–0–0 12.a4?? Kb8 13.g5?? Nc5 14.Bg8?? Rg8 15.gf6 Nd3 16.Kd1 Nb2 17.Ke2 Qd3 18.Ke1 Qd2 19.Kf1 Qc1 20.Kg2 g5 21.Qe4 Qc4 22.Qf5 Nd3 23.Nf3 g4 24.Ne5 Ne5 25.Qe5 Qd5 (25...Qd5 26.Qd5 Rd5–+) 0–1. elsh1403 (1625) – tadekk70, internet, 2011.

5.Qh4 Bd6 6.Nf3 Qe7 7.Be2? Be6 8.b5 Nd7 9.0–0 g5 10.Qh5 Bf7 11.Qg4 f5?? 12.Qa4 Nc5 13.Qa5 b6 14.Qc3+/– Ne4?? 15.Qd3 Nh6 16.Nc3? Nc5–+ 17.Nd5 Nd3 18.Ne7 Nb2 19.Nc6 Na4 20.Nfe5–/+ 0–0 21.Nd7 Rfe8 22.Nf6+= Kg7 23.Ne8 Re8 24.d4 Nc3 25.Bd3 Bd5 26.a4 Ng4 27.Na7 Nh2 28.Rfe1 Ng4 29.a5 f4 30.ef4 Re1 31.Re1 gf4 32.ab6 cb6? 33.Re8?? f3= 34.g3 Nf6 35.Rd8 Be7 36.Rb8 Na4 37.Nc6 Bd6 38.Rb7 Kh6 39.Ne5?? Bb7 40.Nf7 Kg7 41.Nd6 Nd5?? 42.Nb7+– Nac3 43.Nd8 Nc7 44.Nc6+– N7b5 45.Bb5 Nb5 46.c4 Nc7 47.d5 Kf7 48.Nb4 Ke7+/– 49.Kf1 Kd6 50.Ke1 Kc5 51.Nd3 Kc4 52.Ne5 Kd5 53.Nf3 Kc4 54.Ng5 Kc3 55.Nh7 b5 56.Nf6 b4 57.Ne4 Kc2 58.Nc5 Nd5 59.Ke2 Nc3 60.Ke3 Nd1 61.Kf3 Kc3 62.g4 Kc4 63.Na4 Kb5= 64.g5 Ka4 65.g6 b3 66.g7 b2 67.g8Q Nc3?? 68.Qc4+– Ka3 (68...Ka3 69.Qc3 Ka2 70.Qc4 Ka3+–) 0–1. elsh1403 – wadud (1615), internet, 2011.

5.Qh4 Nd7 6.Nf3 Bb4?? 7.Be2?? Be7 8.0–0 f5 9.Qa4 Bf6 10.c4 e4–/+ 11.Ne5 Be5 12.Be5=+ Ngf6 13.cd5 0–0 14.Bc4?? Ne5–+ 15.Qb3 Kg7 16.Be2 Qd5 17.Nc3 Qb3 18.ab3 b6 19.f3 Bb7 20.fe4 Ne4 21.Ne4 Be4 22.d3 Bb7 23.d4 Nd7 24.Rac1 c5 25.b4 Rac8 26.bc5 bc5 27.Rb1 Be4 28.Rbd1 cd4 29.Rd4 Nf6 30.Ra1 Rc7 31.h3 Rfc8 32.Rd6 Ne8 33.Rda6 Rc1 34.Kh2 Ra1 35.Ra1 Rc3 36.Ra7 Kh6 37.Bb5 Nf6 38.Ra6 Nh5 39.g4 Rc2 40.Kg1 Rg2 41.Kf1 Ng3 42.Ke1 Kg5 43.gf5 Bf5 44.Ra7 h5 45.Bc6 Re2 46.Kd1 Re3 47.Ra5 Ne4 48.Be8 Rh3 49.Kc1 Rh1 50.Kb2 Nd2 51.Kc3 Rh2 52.Bc6 Nb1 (52...Nb1 53.Kd4 Kf4–+) 0–1. elsh1403 – itakhjztym, internet, 2011.

5.Qh4 Nd7 6.Nf3 Be7 7.b5 c6 8.Be2 c5 9.Qa4 b6 10.0–0 Bb7 11.c4 d4 12.d3 Nh6 13.h3 Nf5 14.ed4 Nd4 15.Nd4 ed4 16.Bc1 Kf7 17.Qd1 Bd6 18.Bf3 Bf3 19.Qf3 Ne5 20.Qd5 Kg7 21.Rd1 Bc7 22.Qd8 Rad8 23.Bf4 Rhe8 24.Be5 Re5 25.Nd2 Rde8 26.Nf3 Re2 27.Re1 Kf7 28.Re2 Re2 29.Kf1 Rb2 30.a4 h5 31.g3 g5 32.Kg2 Rb3 33.h4 g4 34.Ne1 f5 35.Ra2 Rb1 36.Kf1 f4 37.Ke2? fg3–+ 38.fg3 Bg3 39.Ng2 Rg1 40.Nf4 Bf4 41.a5 Rg2 (41...Rg2 42.Ke1 Ra2 43.Kf1 g3 44.a6 Be3 45.Ke1 g2 46.Kd1 g1Q) 0–1. elsh1403 – phaser (1700), internet, 2011.

5.Qh4 Be6 6.a3 Ne7?? 7.Qf6+– (7…Rg8 8.Qe6+–) 1–0. Diener,Rudolf – Svensson,Jan, corr 3GMM–11, 1994.

5.Qh4 Be6 6.b5 Be7 7.Nf3 Nd7 8.Be2 Nc5 9.0–0 h5 10.d4? ed4?? 11.Nd4+= Bf7 12.c4 dc4 13.Rd1 Nd7 14.Nc3 Nh6 15.Ne4?? 0–0?? 16.Rac1?? g5?? 17.Qg3+/– h4 18.Qh3 Ne5?? 19.Nf5 g4 20.Nh6 Kg7 21.Qh4 f5 22.Nf5 (22.Nf5 Kg8 23.Qh6 Nf3 24.gf3 Bf6 25.Rd8 Be8 26.Nf6 Rf6 27.Qg7) 1–0. elsh1403 – mareczek47, internet, 2011.

5.Qh4 Be6 6.f4 Bg7 7.Nf3 Nd7 8.Be2 Ne7 9.0–0 0–0 10.fe5 fe5 11.Ng5 Bf7?? 12.Qh7 (12.Nf7?! Rf7 13.Rf7 Kf7 14.Qh7 Qh8 15.Qh8 Rh8+/–) 1–0. elsh1403 (1630) – koritnik2, internet, 2011.

5.Qh4 Be7 6.b5 c5 7.f4 d4 8.Nf3 f5 9.Qf2+= e4 10.Ne5 Bf6 11.ed4 Be5 12.de5 Be6 13.Qc5 Nd7 14.Qd6 Ne7?? 15.Qe6 1–0. elsh1403 – mebel6, internet, 2011.

5.Qh4 Be7 6.b5 Be6 7.f4 Nd7 8.Nf3 c6 9.a4 c5 10.fe5 fe5 11.Ne5?? Bh4–+ (11...Bh4 12.g3 Bf6 13.Nd7 Bb2–+) 0–1. elsh1403 – savaludaglava, internet, 2011.

5.Qh4 Be7 6.f4 f5 7.Qg3?? Nf6 8.Be5= 0–0 9.b5 Nbd7 10.c4 Ne5 11.fe5 Ne4 12.Qf3 d4 13.Bd3 Ng5?? 14.Qd1?? Bc5 15.Nf3? de3 16.de3 Be3 17.Nc3? Bd4 18.Nd4–/+ Qd4 19.Qd2 f4 20.0–0–0 Ne4?? 21.Ne4 Bf5? 22.Nf6 Rf6+/– 23.ef6 Qa1= 24.Kc2 Qa2 25.Kc3 Qa5?? 26.Kb2 Qb6 27.Qc3 Rd8 28.Bf5 gf5 29.Rd8 (29.Rd8 Kf7 30.Rd7 Kg8 31.f7 Kf8 32.Qh8) 1–0. elsh1403 – 18smok (1755), internet, 2011.

5.Qh4 Bf5 6.b5 Qd7 7.Qg3 Bd6 8.e4 de4 9.Qe3 Ne7 10.Ba3 Ba3 11.Qa3 Qd6 12.Qd6 cd6 13.Ne2 Nd7 14.Ng3 0–0 15.Nf5 Nf5 16.Bc4 Kg7 17.0–0 Nd4 18.Na3 Nb6 19.Bb3 Nb3 20.ab3 a6 21.ba6–/+ Ra6 22.Nc4 Nc4–+ 23.Ra6 ba6 24.bc4 Rc8 25.Ra1 Rc6 26.d3 ed3 27.cd3 Kf7 28.Ra5 Ke6 29.f3 Kf5 30.g4 Kf4–+ 31.Kf2 Rb6 32.Ra2 h5 33.h3 hg4 34.hg4 g5 35.Re2–/+ a5?? 36.Re4# 1–0. TONDA – jakesh, Live Game Caissa's Web, 2006.

5.Qh4 Bf5 6.d3 =+.

5.Qh4 Nh6 6.f4 Nf5 7.Qf2 e4 8.g4 Nd6 9.Qh4 Bg7 10.Ne2 0–0 11.Nd4 Nc6 12.b5 Nd4 13.Bd4 c5 14.bc6 bc6 15.Nc3 f5 16.Qd8 Rd8 17.Bg7 Kg7 18.g5 a5 19.h4 Ba6 20.h5 Bf1 21.Kf1 Nc4 22.Ke2 d4 23.Nb1 d3 24.cd3 Rd3 25.h6 Kf7 26.Rc1 Nb2 27.Rc6 Rad8 28.Rc7 R8d7 29.Rd7 Rd7 30.Nc3 Nd3 31.Rb1 a4 32.Na4+– Ra7 33.Nc3 Rc7 34.a4 Ke7?? 35.a5 Kd6?? 36.Nb5 Kc6 37.Nc7 Kc7 38.a6 Nb4 39.Rb4 (39.Rb4 Kd7 40.a7 Ke6 41.Rb6 Ke7 42.a8Q Kf7 43.Qa7 Ke8 44.Rb8) 1–0. elsh1403 – 1983kar, internet, 2011.

5.Qh4 Bg7

6.b5 Ne7 7.Nf3 0–0 8.Be2 Be6 9.0–0 Nd7 10.d3 c6 11.a4 a6 12.bc6 bc6 13.Ba3 c5 14.e4 d4 15.Nbd2 g5 16.Qg3 Ng6 17.Rfc1?? Rc8?? 18.h4? h6?? 19.hg5 hg5 20.Nh2 Nf4 21.Bg4 Qe7 22.Kf1 Rc7 23.Be6 Qe6 24.Ng4 Rb8 25.Rab1 Rcb7 26.Rb7= Rb7 27.Nc4 Nb6 28.Na5 Rc7 29.Nb3 Na4 30.Qf3 c4 31.Na5 cd3 32.cd3 Rc1 33.Bc1 Nc3 34.g3 Ng6 35.Qh1?? Qb6 36.Nc4?? Qb1–+ 37.Kg2 Ne2 38.Bd2?? Qh1 39.Kh1–/+ Kf7 40.f4?? gf4 41.gf4 Nef4 42.Nd6 Ke6 43.Nb7 Nd3 44.Ba5 Ngf4 45.Kh2 Ne2 46.Kh3 Nc3 0–1. elsh1403 – tyop (1780), internet, 2011.

6.f4 Nc6 7.b5 Nb4 8.Na3 Bf5 9.c3 Nd3 10.Bd3 Bd3 11.Nf3 e4 12.Nd4 f5 13.Qf2?? Bf6 14.Rc1 Nh6 15.h3 Qe7 16.c4?? dc4 17.Nc4–/+ 0–0–0 18.Ba3 Qg7 19.b6 ab6 20.Nb6 Kb8 21.Nc4 Rd4 22.ed4= Bd4 23.Qg3 Qf7 24.Ne5?? Qa2–+ 25.Nd3? Qa3 26.Rc3 Bc3 27.0–0 Bd4 28.Kh1 Qd3 29.Qe1 Rd8 30.Qc1 Bb6 31.Rf2 Bf2 32.Qf1 Qf1 (32...Qf1 33.Kh2 Qg1) 0–1. elsh1403 – piki127 (1625), internet, 2011.

6.f4 Nc6 7.b5 Nce7 8.fe5 fe5 9.Nf3 Nf5 10.Qd8+/– Kd8 11.Be5 Be5 12.Ne5 Ngh6 13.Bd3 Re8 14.Nf3 b6 15.0–0 Bd7 16.c4 Kc8? 17.Nc3 dc4 18.Bc4 Be6 19.Be6 Re6 20.Rac1 Rd6 21.Ne4 Rd5 22.Rfd1 Ng4 23.h3 Ne5 24.Ne5 Re5 25.Nf6 Rb5 26.Nh7 Rb2 27.Nf8 Ra2 28.Ng6 a5 29.h4 a4 30.h5 a3 31.e4 Nh6 32.d4 Kb7 33.d5 Re2 34.e5 a2 35.d6 cd6 36.ed6 Ree8? 37.Rc7 Ka6 38.Ne7 Kb5 39.Ra1 Kb4 40.Nc6 Kb3 41.d7+– Kb2 42.de8Q Re8 43.Ra2! Ka2 44.Rb7 Ng4+/– 45.Rb6?? Re1 0–1. elsh1403 – 1983kar, internet, 2011.

6.f4 Ne7 7.fe5 f5 8.d4 Nbc6 9.b5 Na5 10.Nf3 Be6 11.Ng5 Qd7 12.Ne6 Qe6 13.Be2 h6 14.0–0 0–0–0 15.Qe1 Nc4 16.Bc4 dc4 17.a4 g5 18.a5 Nd5 19.Nc3 f4 20.Nd5 Qd5 21.e4?? Qb5+= 22.Rb1 Qa6 23.d5 Rde8 24.d6?? Be5–/+ 25.Be5 Re5 26.dc7 Rhe8 27.Qb4 Re4 28.Rbd1 Kc7 29.Rd5 R4e5?? 30.Rfd1?? Qe6?? 31.Rd7 Qd7–/+ 32.Rd7 Kd7 33.Qb7 Kd6 34.Qa7 Re1 35.Kf2 R8e2 36.Kf3 Re3 37.Kg4 R1e2 38.Qb6 Kd5 39.a6 Rg2 40.Kf5 Re5 41.Kf6 Rge2 42.Kg7?? Rc2 43.a7 Ra2 44.Qb7 Kd4 45.a8Q Ra8 46.Qa8 Rc5 47.Qd8 Kc3?? 48.Qd1 Kb4 49.Kh6 c3 0–1. elsh1403 – polinejkes123 (1725), internet, 2011.

6.f4 ef4 7.Qf4 Nh6 8.Nf3 0–0 9.Bd3 f5 10.Bg7+/– Kg7 11.0–0 Be6 12.Ng5 Bg8 13.Nc3 c6 14.b5 Nd7 15.bc6 bc6 16.Rab1 Nf6? 17.Rb7+– Nf7?? 18.Ne6 (18.Ne6 Kh8 19.Nd8 Nd8 20.Re7+–) 1–0. elsh1403 – fandasa54, internet, 2011.

3.e3 Nh6

4.a3 a5 =.

4.a3 b6 5.c4 c5 6.Qf3+= (6.Qh5 Nf7 7.Qf3 d5 8.bc5 Be6 9.cd5 Bd5 10.Bb5 Ke7 11.Qg3+=) 6...d5 7.cd5 (7.bc5 Bc5 8.Nc3 Bf5 9.Nd5 Nc6 10.Be2 0–0 11.d3+=) 7...Bg4 8.Qe4 (8.Bb5 Kf7 9.Qe4 Bf5 10.Qh4 a6 11.Be2=) 8...Bf5 (8...Nd7 9.Bb5 Rc8 10.Nc3 Bd6 11.Ba6+=) 9.Qc4 (9.Bb5 Nd7 10.Qh4 Nf7 11.Nc3+/–) 9...cb4 (9...Nf7 10.Nc3 Nd6 11.Qe2+=) 10.ab4 Nd7 (10...Nf7 11.Nc3+=) 11.e4 Rc8 12.Qd3 Bg6 13.Ra7 Bb4 14.f3 0–0?? (better is 14...Bc5+=) 15.Qb5+– Ba5 (15...Bd2 16.Nd2 (16.Kd2?! Nc5+–) 16...Nc5 17.Nc4+–) 16.Rd7 Qe8 17.Ba3 Bb4 (17...Rf7 18.Rf7 Qf7 19.d6+–) 18.Bb4 (18.Rb7 Ba3 19.Qe8 Rfe8 20.Na3 Rb8 21.Rb8 Rb8+–) 18...Rc1 19.Kf2 Rb1 20.Rg7! Kh8 (20...Kg7 21.Bf8) 21.Qb6 (21.Rg6 Qg6 22.Qb6 Ng4 23.Ke2 Nh2 24.Qd6+– (24.Bf8?! Rb6 25.Rh2 Rb1=; worse is 24.Rh2 Qg3 25.Qc7 Qh2 26.Bf8 Qg3+–)) 21...Qa4 (21...Rb4 22.Rh7! Kh7 23.Qb4 f5+–) 22.Rb7 Qd1 23.Ne2 Qe1 24.Ke3 Rb3 (24...f5 25.Bf8 Rb6 26.Rb6+– (26.Bh6? Rb7 27.Bg5 Kg7–+)) 25.d3 Qh4 26.Rb8 (26.Bf8!? Rb6 27.Rb6 Qg5 28.Kf2 f5+–) 26...Rb8 (26...Qg5 27.Kf2 Rb8 28.Qb8 Ng8 29.h4+–) 27.Qb8 Ng8 28.Be1 Qh6–+ 29.f4 Rb8 30.g3 Bh5 31.Nc3 Rc8 32.Nb5?! Rc1 33.Bd2 Rb1 34.Nc3 Rb2 35.Bg2 ef4 36.gf4 Rd2! 37.Kd2 Qf4 38.Kc2 Qf2 39.Kb3 Qg2 40.d6 Bf7 41.Ka3 Qh1 42.d7 Qa1 43.Kb4 Qb2 44.Kc5 Qc3 45.Kd6 Qd4 46.Kc7 Qc5 47.Kb8 Qb6 (47...Qb6 48.Ka8 Be6 49.d8Q Qd8 50.Kb7 Qe7 51.Kc6 Qb4 52.Kc7 Ne7 53.h4 Nc8 54.d4 Qb6#) 0–1. Inskip,Nathaniel – Grzymek,David, Glorney Cup, Aberdeen SCO, 2004.

4.c4 Bb4!? 5.a3 Ba5 –/+.

4.c4 d5 5.Qb3 Be6 6.Nc3 c6 (6...d4 7.ed4 Qd4 8.Nf3+=) 7.cd5= cd5 8.b5 (8.e4 Nc6 9.Bb5 a6 10.ed5 ab5 11.de6 Nd4+=) 8...Be7 9.d4 0–0 (9...Nd7 10.Nd5 Nc5 11.dc5 Bd5 12.Qa3=) 10.Nf3 e4 (better is 10...Qd6!?=) 11.Ne4!+/– Nd7 (11...de4 Exploits the pin 12.Qe6) 12.Nc3 Nb6 13.Nd2 (13.Bd3 f5+/–) 13...Qd7 14.Be2 Rac8 15.a4 (15.Ba3 Rfe8+/–) 15...Nc4 (15...f5 16.0–0+=) 16.Nc4+/– dc4 The passed pawn on d4 quickly leads to threats 17.Qd1 f5 18.d5 Bf7 19.0–0 Bd6 20.Ba3 Rfd8 (better is 20...Ba3 21.Ra3 Qd6+/–) 21.Bf3 (better is 21.Bd6!? Qd6 22.Qd4+–) 21...Be5+= 22.Rc1 (22.Qc2 Qc7+=) 22...a6 (22...Bc3 23.Rc3 Bd5 24.Bd5 Qd5 25.Qd5 Rd5 26.Rfc1=) 23.d6 Bc3 24.Rc3 ab5 25.ab5 Qb5 26.Qc2 Bd5 27.Rb1 Qc6 28.Bd5 Qd5 29.Rb6 Nf7 30.f3 (30.h3 Ng5 31.f3 Nf7=) 30...Nd6 (better is 30...f4!?+=) 31.Bd6= Rd6 32.Rd6 Qd6 33.Rc4 (worse is 33.Qf5 Qd1 34.Kf2 Qd2 35.Kg3 Rc6–/+ (worse is 35...Qc3 36.Qc8 Kf7 37.Qb7 Ke6 38.h4+/–)) 33...Rc4 (better is 33...Rf8!?=) 34.Qc4+/– Kf8 (34...Kf8 35.Qc8 Ke7 36.Qb7 Kf6 37.Qb2 Kg6+/–). Szeligowski – Karnisky,Robert, Boulder Colorado, 1988.

4.Bd3 Nf7 5.Qh5 g6 6.Bg6?? Qe7?? 7.Bf7 Qf7 8.Qf7 Kf7 9.a3 d5 10.d3 Be6 11.Nd2 c5 12.bc5 Bc5 13.Ne2 Nc6 14.Ng3 Rhg8 15.a4 Nb4 16.0–0 Bd6 17.Nb3 Nc2–/+ 18.Rac1 Nb4 19.d4 e4 20.Ba3 Rac8 21.Bb4 Bb4 22.Nc5 Bc5 23.dc5 Rc6 24.h3 Kg6 25.Kh2 Rgc8 26.Ne2 b6 27.Nf4 Kf7 28.Kg3? bc5–+ 29.Rb1 R8c7 30.Rb8 c4 31.Rh8 Kg7 32.Re8 Bf7 33.Rb8 c3 34.Rbb1? c2 35.Rbc1 Rb6 36.Ne2 Rb4 37.Nd4 Ra4 38.Rc2 Rc2 39.Nc2 Rc4 40.Nd4 a5 41.Ra1 a4 42.Nf5 (42.Nf5 Kf8 43.Kf4–/+). wojtekkk – adamamator, internet, 2011.

4.h3 Bb4 5.Bc4 d5 6.Qh5 Nf7 7.Bb3 0–0 8.a3 Bd6 9.e4? de4–+ 10.Ne2 Qe7 11.g4 Be6 12.Be6 Qe6 13.Ng3?! Nd7 14.Nf5?? Ng5 15.h4 Nf3 16.Kd1 Kh8 17.g5 g6 18.Qh6 gf5 19.g6 Qe7 20.d4 Nd4 21.Bd4 ed4 22.Nd2 Qg7 (23.Qg7 Kg7 24.gh7 Rh8–+) 0–1. slavisa10 – COUNTDOWN2MATE3, Live Game Caissa's Web, 2004.

3.e4 a5

4.b5 b6 5.Be5 fe5?? (better is 5...d5 6.Bb2 de4+=) 6.Qh5+– 1–0. Buss,Michael – Simelis,John, corr or02–26, 2003.

4.b5 c6 5.Nc3 Bc5 6.Bc4+– Ne7 7.Qh5 Ng6 8.Nf3 Kf8 9.g3 d6 10.Nh4 Qe8+/– 11.Nf5 Be6 12.Be6 Qe6 13.0–0 Nd7 14.a4 Ne7 15.Rfd1 Nf5+= 16.ef5 Qc4 17.d3 Qb4 18.Rdb1+/– Nb6?? 19.Ne4+– Rd8 20.Bc3 Qa4 21.Ra4 Na4 22.bc6 Nc3 23.Rb7 g6 24.Qh6 Ke8 25.Nf6# 1–0. mrkt – szubiszubi, internet, 2011.

4.b5 d5 =.

4.Bc4 ab4 5.Nf3 Nc6 6.0–0 +=.

4.Bc4 Ne7 5.f4 (5.Qh5 g6 6.Qf3 Bg7+=) 5...ef4= 6.Nf3 (6.Nh3!? d5 7.ed5=) 6...ab4+= 7.0–0 Nbc6 (7...Ng6 8.e5 fe5 9.Ne5–/+) 8.Nh4+= Ra5 9.d4 (9.Rf4 Ng6 10.Ng6 hg6+=) 9...Ng6–/+ 10.Nf5 d6 (better is 10...Nce7!? 11.Nd2 Nf5 12.ef5 Rf5–/+) 11.Qh5= Qd7 12.Nd2 (12.Rf4 Kd8 13.Rf1 Nge7=) 12...Kd8 13.Nb3 Rf5 14.ef5 Qf5 15.Qe2 d5 16.Bd3 Qg5 17.Rae1 (17.a3 Nh4 18.ab4 Bb4+=) 17...Bd6 18.Bc1 (18.Nd2 Bd7–/+) 18...Bg4–+ 19.Qf2 Qh5 20.h3 (20.Be2!?–/+) 20...f3!–+ 21.Nc5 (21.gf3 Bh3 Deflection) 21...Kc8 22.Re3 (22.Nb3 Kb8 23.Re3 Bf4 24.Rf3 Bf3 25.Bf4 Nf4 26.Qf3 Qf3 27.Rf3 Nd3 28.cd3 Re8–+) 22...Nd4 23.Nb7 (23.Nb3 Nc6 24.Rf3 Bf3 25.Qf3 Qf3 26.Rf3–+) 23...Kb7 24.Ba6 (24.Bb2 Bh3! 25.gh3–+) 24...Ka6 25.Ra3 ba3 26.Qd4 Bd7 (26...fg2 27.Qd3 Kb6 28.Rf2 Bh3 29.Qb3 Kc6 30.c4 dc4 31.Qf3 Qf3 32.Rf3 Bc5 33.Be3 Re8 34.Bc5 Re1 35.Kh2 Kc5 36.Rf5 Kd4 37.Rd5 Ke3 38.Rd3 cd3 39.Kg3 Nf4 40.Kh4 g5 41.Kg3 g1Q) 27.Be3 c5 28.Qc3 Qh4 (better is 28...Bb5!? 29.Rb1 Qe5 30.Qe5 fe5 31.gf3–+) 29.Rb1 (29.Qa3 Qa4 30.Qd3 Bb5 31.Qd5 Rd8 32.Qf3 Ne5–+) 29...Qa4 (29...Rc8 30.Bf2 Qc4 31.Qf3 Qa2 32.Qe2 Ka7 33.Qe1–+) 30.Qd3 (30.Bc5 Rb8 31.Rb8 Bb8 32.gf3 Bh3 33.Qa3 Qa3 34.Ba3 Bg3–+) 30...Ka7 (better is 30...Bb5 31.Qd5 Rd8 32.Qf3 Qc2 33.Ra1–+) 31.Qd5 Qc6 (better is 31...Rb8 32.Rb8 Bb8 33.Bc5 Ka6 34.Qf3 Qc2 35.Qa8 Kb5 36.Qb8 Kc5 37.Qa7 Kd6 38.Qa3 Qc5 39.Qc5 Kc5 40.a3–+) 32.Qd3 (32.Rd1 Qd5 33.Rd5 Bh3 34.gh3 Rd8–+) 32...Rb8 (32...Bc8 33.Qa3 Ba6 34.g3–+) 33.Rd1 (33.Qa3 Qa6 34.Bc5 Bc5 35.Qc5 Rb6 36.gf3–+) 33...Rb6 34.Qa3 Qa4 (better is 34...Kb7!? 35.Qd3 fg2 36.Qd6 Qd6 37.Rd6 Rd6 38.Kg2–+) 35.Qc3 (35.Qa4 Ba4 36.Rd6 Rd6 37.Bc5 Rb6 38.Bb6 Kb6 39.gf3 Bc2 40.Kf2–+) 35...Qb4 (35...fg2 36.Bc5 Bc5 37.Qc5–+) 36.Qd3 (36.Qb4 Rb4 37.Rd6 Rb1 38.Kh2–+) 36...fg2 37.Qd5 Ne5 (37...Nf4 38.Qf3 Nh3 39.Kg2 Bc6 40.Bd4 Bf3 41.Kf3 cd4 42.a3 Qc3 43.Rd3 Qc6 44.Kg4 Nf2 45.Kh5 Rb5 46.Kh4 Qe4) 38.Qg2 Bc6 39.Qg7 Rb7 40.Qg3 Nf3 0–1. Cernik,Lukas (2205) – Srba,Milan (2235), CZE–ChT2b, 2006.

3.e4 Bb4

4.c4 Nc6 5.Nf3 Nge7 6.Nc3 d6 7.Nd5 Ba5 8.Bd3 0–0 9.0–0 Bg4 10.Be2 Rb8 11.Nh4 Bd7 12.Nf5 Nf5–+ 13.ef5 Bf5 14.Bg4 Bg4 15.Qg4 Bd2 16.Rad1 Ba5 17.Ne3 Qc8 18.Nf5 g6 19.Nh6 Kh8 20.Qh4 b5 21.Ng4 g5 22.Qh6 Qg4 23.h3 Qc4 24.Rfe1 Be1 25.Re1 Qa2 26.Bc1 b4 27.f4 gf4 28.Bf4 ef4 29.Re6 Qe6 (29...Qe6 30.Qf4 Qe1 31.Kh2 Qe5–+) 0–1. Administrator – GNUChess, 2000.

4.c4 d6 5.Nf3 c6 6.Bd3 Be6 7.0–0 g5 8.Nc3 h5 9.a3 Bc5 10.Na4 Na6 11.Nc5 Nc5 12.Bc2 Qd7 13.d4= Bc4 14.dc5 Bf1 15.Kf1 d5 16.ed5+/– cd5?? 17.Bg6 Ke7+= 18.Qe2 Qe6 19.Re1 Rh6? 20.Bb1 Kf7 21.Qb5 Qc8 22.Ba2 Ne7 23.Ne5 fe5 24.Re5 a6 25.Rg5?? ab5–+ 26.Rg7 Ke6 0–1. vidyashankarh (1930) – wecenbarger (1805), net–chess.com, 2002.

4.c4 Ne7 5.Nf3 d6 6.Be2 f5 7.Bd3 (7.a3 Bc5–/+) 7...Na6 (7...0–0 8.ef5 Nf5 9.Be4–/+) 8.a3–/+ Ba5 (8...Bc5 9.Bc2–/+) 9.0–0 (9.ef5 Nf5 10.Qc2 0–0–/+) 9...Nc5–+ 10.Qe2 0–0 11.Nc3 Nd3 12.Qd3 Bc3 13.Bc3 fe4 14.Qe4 Rf4 15.Qc2 Bf5 (< 15...Rc4 16.Qb3 Be6 17.d3 Rc3 18.Qc3–/+) 16.d3 Qe8 (16...Bg4 17.Bd2 Rf8 18.Ng5–/+) 17.Ne1 (17.Ne5 de5 18.Be5 Rg4–+) 17...Qg6–+ 18.Qe2 (18.Qb3 Rb8 19.Bd2 Rg4–/+) 18...Rf8 19.f3 (19.Qd2 Nc6–+) 19...Nc6 20.Rd1 Nd4 21.Qe3 c5 22.Bd4 Rd4 23.Kh1 b5 24.cb5 Rb8 25.f4 Bg4 26.Rb1 Rf8 27.b6 ab6 28.Rb6 ef4 29.Qd2 Bf5 30.Qa2 Qe6 31.Qe6 Be6 32.Rf3 Bg4–+ 33.Rf2 Re8 34.Rb1 Ra4 35.Nc2 Bf5 36.Rd2 c4 0–1. Weber – Rohde,Friedhelm, corr BdF T5003, 1995.

4.Bc4 Kf8? 5.c3 Be7 6.Nf3 c5 7.0–0 d6 8.d4 cd4 9.cd4 Bg4 10.de5 Bf3 11.ef6! 1–0. Woschkat – Plath, corr.

4.Nf3 Ne7 5.Nc3 0–0 6.Bc4 Kh8 7.Nd5 c6 8.Ne7 Qe7 9.0–0 b6 10.Re1 Bb7 11.c3 Ba5 12.d4 d5 13.ed5 cd5–/+ 14.Bd3 e4 15.Nh4 Qd6 16.Bc2 Nd7 17.Qg4 f5 18.Nf5 Qf6–+ 19.c4?? Be1 20.Ne3 Qf2 (20...Qf2 21.Kh1 Qf1 22.Nf1 Rf1#) 0–1. Nautiluschess – Schachtee, ICS blitz, 2000.

4.a3 Ba5

5.Bc3 Bb6 6.d4 ed4 7.Bd4 Bd4 8.Qd4 Nc6 9.Qc3 Nh6 10.Bc4 Nf7 11.Bf7 Kf7 12.Nf3 d6 13.0–0 Re8 14.Re1 Kg8 15.Nbd2 Be6 16.g3 Ne7 17.Nd4 Ng6 0–1. pauldopson – malaysianisme, net–chess.com, 2004.

5.Bc4 Ne7 6.Nc3 Bc3–/+ 7.Bc3 Nbc6 8.Qh5= Ng6 9.Ne2 d6 10.0–0 a6 11.f4+= ef4 12.Nf4 Nce7 13.Rab1 b5? 14.Bd5 Rb8= 15.a4 Qd7 16.Ne6 Nd5 17.ed5 c6? 18.Rfe1?? Kf7= 19.Re3 cd5 20.Qd5+= Re8?? 21.Ng5 (21.Ng5 Kf8 22.Nh7#) 1–0. bonaparte (2155) – alwayslosing (1945), net–chess.com, 2008.

5.Bc4 Ne7 6.Nf3 Nbc6 7.Nh4 g6 8.Qf3 Rf8 9.Qe3 d5–/+ 10.Bb3 Be6 11.ed5 Nd5–+ 12.Qh6 Qd7 13.0–0 0–0–0 14.d3 g5 15.Nf3 Nce7 16.Qh7 Bf5 17.Qg7 g4 18.Ne1 Nf4 19.g3?? Ne2 20.Kg2 Qc6 21.f3 Be1 22.Nc3 gf3 23.Rf3 Bh3! 24.Kh3 Ng1 25.Kh4 Rh8 26.Qh8 Rh8 27.Kg4 Qf3# 0–1. Unger,M – van der Braak,Jelle, corr 3GMM–16, 1995.

5.Bc4 g6 6.Nf3 Ne7 7.0–0= c5 8.Bc3 Nbc6=+ 9.Ba5 Na5 10.Ba2 Rf8 11.Nc3 b6 12.Nb5 Nb7 13.Bd5 Nd5–/+ 14.ed5 d6 15.Re1 Kf7 16.Nh4 Bd7 17.Nc3 f5 18.f4?? Qh4–+ 19.fe5 Qd4 20.Kh1 de5 21.d6 Nd6 22.Ne2 Qg4 23.h3 Qh4 24.Ng1 Ne4 25.Nf3 Qg3 26.Qe2 Nf2 27.Kg1 Nh3 28.Kh1 e4 29.Ng1 Nf2 30.Qf2 Qf2 31.Nh3 Qh4 32.Kh2 f4 (32...f4 33.Re2 Qg3 34.Kh1 Bh3 35.gh3 f3–+) 0–1. Benassi,Aspasio – COMP, 2001.

4.a3 Bc5–/+

5.Nc3 b6 6.Nf3 Ne7 7.Bc4 Bb7 8.0–0 c6 9.Re1 b5 10.Bb3 Qb6 11.Rf1 d5 12.ed5 cd5 13.d3 0–0 14.h3 Kh8 15.Ne2 d4–+ 16.c3 Bf3 17.gf3 Nf5 18.Ng3?? Ng3 19.fg3 dc3 20.Kh1 cb2 21.Ra2 Bd4 22.Bd5 Nc6 23.f4 Rac8 24.Qb1 Ne7 25.Bb3 Rc7 26.fe5 Rfc8 27.Bc4 bc4 28.ef6 Bf6 29.Rf6 Qf6 30.Rb2 Qf3 31.Kh2 cd3 32.h4 Rc2 33.Kh3 Qg2 34.Kg4 R8c4 35.Kh5 Qd5 0–1. iboyd (1950) – rodnel, net–chess.com, 2006.

5.Nc3 c6 6.Na4 Be7 7.d4 (7.Qg4 g6 8.Bc4 d5–+) 7...d5–/+ 8.ed5 Qd5 9.Nf3 Qa5 10.Nc3 Bg4 (10...e4 11.Nd2 Bf5 12.Bc4=+) 11.de5=+ fe5 12.Be2 (12.Bd3 Nf6 13.h3 Bf3 14.Qf3 Nbd7=+) 12...Nf6 13.0–0 Nbd7 (13...Bf3 14.Bf3 Nbd7 15.Re1=+) 14.Ng5 Bf5 (14...Be2 15.Qe2 0–0 16.Ne6=+) 15.Bd3 (15.Re1 0–0–0–/+) 15...g6 (15...Bd3 16.Qd3 0–0–0 17.Nf7+/–) 16.Bf5 (16.Qf3 Bd3 17.Qd3 0–0–0–/+) 16...gf5 17.Qd3 e4–/+ 18.Qc4 Rf8 19.Rfd1 0–0–0 20.Ne6 Ne5= 21.Qa4 Qa4 22.Na4 Rd1 23.Rd1+= Nfd7 24.Nf8 Bf8 25.Bd4 Nc4 26.Ba7 b5 27.Nc3 Na3 28.g4 b4–/+ 29.Na4 fg4 30.Rd2 c5 31.Nb6 Nb6 32.Bb6 Kb7 33.Bd8 Kc6 34.Re2 Kd5 35.Rd2 Ke6 36.Kg2 Nb5 37.Bg5 Nd4 38.Be3 Nf3–+ 39.Rd1 Bd6 40.Ra1 h5 41.Rh1 c4 (42.h3 gh3 43.Rh3 Ne1 44.Kf1 Nc2 45.Rh5 c3–+ (45...Ne3 46.fe3 c3 47.Ke2–+)) 0–1. Cohoon,Bobby – Stanley,Bob (1890), KO–5010.1.4, 2002.

5.Nc3 d6 6.Bc4 =+.

5.Bc4 c6 6.d4 Bd4 7.Bd4 ed4 8.Qd4 Qb6 9.Nf3 Ne7 10.0–0 d5 11.ed5 cd5 12.Bb3 Qd4–/+ 13.Nd4 a6 14.Nc3= Nbc6 15.Rad1 Nd4 16.Rd4 Be6 17.Re1 Kf7 18.Ne4 Rad8=+ 19.Nc5 Bc8 20.c4 Nf5 21.Rd5 b6 22.Na4 Be6 23.Rd8 Rd8 24.Bd1 Bc4 25.Nb6 Be6 26.Be2 Nd4 27.Kf1 Rb8 28.Rb1 Ne2 29.Ke2 Bc4 30.Ke3 Bb5 31.Nc4 Re8 32.Kd4 Bc4 33.Kc4 Re2 34.Rf1 Kg6 35.Kb4 f5 36.Ka5 Ra2 37.a4 f4 ½–½. Cuevas Lavallade,Jesus (1815) – Schulz,Hans_Juergen (1785), CT1–01 www.b2–b4.com, 2004.

5.Bc4 Nc6 6.Nc3 Nge7 7.Nge2 a6 8.Nd5 d6 9.Ng3 Nd5 10.Bd5 Ne7 11.Bb3 Qd7 12.h3 Qc6 13.0–0 g6 14.a4 a5 15.d4 ed4 16.Ne2 Rf8 17.Nd4= Qa6 18.Bc1 Bd4 19.Qd4+= Nc6 20.Qc3 Ke7 21.Rb1 Be6 22.Bd5 Rae8 23.Rb5 Kf7 24.Bh6 Rg8 25.Rfb1 Bd5 26.ed5 Nb4 27.Qc7 Re7 28.Qc4 g5 29.c3+– Nc2 30.Qg4 Kg6 31.Bg5 fg5 32.Rb6 Qe2 33.Rd6 Kg7 34.Qe2 Re2 35.Rb7 Kh8 36.Rdd7 Rg6 37.d6 Re8 38.Rh7 Kg8 39.Rhd7 (39.Rhd7 g4 40.h4+–) 1–0. Benassi,Aspasio – Johansson,Mats, CF–01 www.b2–b4.com, 2005.

5.Bc4 Nc6 6.Bg8 Rg8–/+ 7.Qh5 Kf8 8.Qh7 d5 9.Nf3 Kf7 10.ed5 Nd4 11.Bd4 ed4 (11...Bd4?! 12.c3 (worse is 12.Nd4 ed4 13.Qh5 g6 14.Qh7 Rg7–/+) 12...Rh8 13.Qe4=) 12.0–0 Qd5 13.Nh4 Bd7 14.Qg6 (14.Qd3 g5 15.Nf3 Bf5–+) 14...Kf8 15.Re1 (15.Qd3!? g5 16.Nf3–+) 15...Rh8–+ 16.Qg3 (16.Nf3 Re8 17.Re8 Be8–+) 16...Kf7 17.c4 Qc4 18.Qc7?? (18.d3 Qd5 19.Nd2–+) 18...Qd5 (18...Rh4?! 19.Qd7 Kg6 20.g3=) 19.Nf3 (19.Qg3 g5 20.Qf3 Qd6 21.Qb3 Kg7–+) 19...Rac8 20.Qa5 (20.Qf4 Bd6 21.Qe4 Qe4 22.Re4 Rc1 23.Re1 Bh2 24.Kh1 Bd6 25.Kg1–+) 20...Rh3! (20...Rh3 21.d3 Rf3–+) 0–1. hahaha (2015) – marekt (2075), gameknot.com, 2014.

5.Bc4 d6 6.c3 =+.

5.Bc4 Ne7 6.Nf3 c6 7.0–0 d5–/+ 8.ed5 cd5 9.Bb5 Bd7 10.Be2 0–0 11.d4–/+ ed4 12.Nd4 a6 13.Nb3 Bd6 14.Bd3 Bf5?? 15.Be2?? Qc7 16.Bd3 Bh2–+ 17.Kh1 Be5 18.c3 Rd8 19.Bf5 Nf5 20.N1d2 Qf7 21.Nf3 Qh5 22.Kg1 Nh4 23.Nh4 Qh4 24.g3 Qh6 25.Nc5? b5 26.Ne6? Rd6 27.Nc7 Ra7 28.Ne8 Rdd7 29.Qg4 Qg6 30.Qg6 hg6 31.f4 Bc7 32.Rae1 Bb6 33.Kh1 Re7 34.Re7? Re7 35.Nd6 Bc5 36.Nb5 ab5 37.f5 g5 38.Bc1 Nc6 (38...Nc6 39.Rd1 d4 40.cd4 Nd4–+) 0–1. lost – labowski, internet, 2007.

5.Nf3 Ne7 6.Bc4 c6 7.d4 d5 8.ed5 ed4 9.dc6 (9.d6 Qd6 10.0–0 Bf5+=) 9...Nbc6+= 10.Nbd2 Bg4 11.0–0 Qc7 (11...Ne5 12.Be2 Bf3 13.Nf3+=) 12.h3 Bh5 13.Be6 (13.Ne4 Bb6 14.Qd3 0–0–0–/+) 13...Rd8 (13...Ne5 14.Qe1+=) 14.Qe2 Ne5 15.Bb3 (15.Ne4 Bb6 16.Neg5 N7c6–+) 15...N7c6 16.Rae1 Bb6 (16...Kf8 17.Qe4+=) 17.Qe4 The pressure on the isolated pawn grows (17.a4 Ba5 18.Qd3 Bf3 19.Nf3 Be1 20.Re1 g6+=) 17...Bg6+= 18.Qh4 Bf7 19.Ne5 fe5 (worse is 19...Ne5 20.f4 Bb3 21.cb3+–) 20.Nf3 Bb3 21.cb3 Rd5 22.Ng5 Qe7 23.b4 g6 24.Qe4 Qd7 25.Qf3 Bd8 26.Ne4 Be7 (26...Qf7 27.Qd3 0–0 28.Bc1+=) 27.Bc1+= Rf8 28.Qb3 Rf5 (28...d3 29.Qa2+=) 29.Bd2 (29.Bh6 Kd8=) 29...a6 30.a4 (30.f4 Kd8+=) 30...d3 (30...Kf8!?+=) 31.Nc3= 0–1. Taulien,Hans_Juergen (2390) – Schulz,Klaus_Juergen, Support for Africa03, 2008.

5.Nf3 Ne7 6.Bc4 d5 7.ed5 Nd5 8.0–0 0–0 9.Nc3 Be6 10.Nd5 Bd5=+ 11.Qe2 Nc6–/+ 12.c3 Qd7 13.Rad1 Qe6 14.Bd5 Qd5 15.d3 Rad8 16.Ne1 Qb3 17.Qc2 Qc2 18.Nc2 Rd7 19.Rd2 Rfd8–+ 20.Rfd1 Na5 21.Na1 Nc4! 22.Re2 Nb2 23.Rb2 Rd3 24.Rf1 b6 25.Rb3 Rd1 26.Nc2 Bf2! 27.Kf2 R8d2 28.Kg3?? (28.Kg3 Rf1 29.Nb4–+; better is 28.Ke3 Rf1 29.Kd2 Rf2 30.Kd1 Rg2 31.h4–+). mic (2240) – dyddulikthat (2180), net–chess.com, 2007.

4.a3 Be7

5.Bc4 d6 =+.

5.Nf3 Nc6 6.c3 (6.Nc3!?=+) 6...d5–/+ 7.Qc2 (7.Bd3 Bg4–/+) 7...de4–+ 8.Qe4 f5 9.Qa4 Bf6 (9...Bd7 10.d3–/+) 10.h3 (10.d4 Bd7 11.Qb3 ed4 12.cd4 Qe7 13.Be2 0–0–0–/+) 10...e4–+ 11.Nd4 Bd7 (11...Nge7–+) 12.Bb5 (better is 12.Nc6!? Bc6 13.Qb3–+) 12...Nd4–+ 13.cd4 c6 (13...Ne7 14.Bd7 Qd7 15.Qd7 Kd7 16.Nc3–+) 14.Be2 Ne7 (14...c5 15.Qb3 cd4 16.Bc4–+) 15.0–0 (15.d3 c5 16.Qc2 ed3 (16...Bd4?! 17.de4 Bc6 18.Nd2–/+) 17.Bd3 cd4–+) 15...Nd5 16.Nc3 (16.Qc2 Be6–+) 16...Nf4 17.Rfe1 Be6 0–1. Benhassine – Krasny,Henryk Jan, corr 3GMM–31, 1997.

5.Nf3 d5 6.Nc3 de4 7.Ne4 –/+.

5.Nf3 d5 6.ed5 Qd5 7.Nc3 Qf7 8.Bb5 (8.d4!? ed4 9.Nd4=) 8...c6+= 9.Ba4 Be6 10.d4 Nd7 11.de5 Rd8 (11...0–0–0!? 12.0–0 Ne5 13.Ne5 fe5–/+) 12.Qe2 Bc4 13.e6 Be6 14.0–0–0 b5 (14...Nc5!? 15.Rd8 Kd8+=) 15.Bb3= Bb3 (15...Nc5 16.Rd8 Kd8 17.Rd1 Kc7+=) 16.cb3+/– Nh6 (16...Nc5 17.b4 Nb3 18.Kc2+/–) 17.Rhe1 Ne5? (better is 17...a6!?+/–) 18.Ne5 Rd1 19.Nd1 (19.Rd1?! fe5 20.Qe5 0–0=; worse is 19.Qd1 fe5 20.Qe2 Qf4 (20...Qb3? 21.Qe5 0–0 22.Qe7+–) 21.Kb1 Nf7+=; 19.Kd1?! Qb3 20.Kc1 0–0+– (worse is 20...fe5 21.Qe5 0–0 22.Qe7+–)) 19...fe5 20.Qe5 Nf5?? (better is 20...Kd7 21.Qd4 Kc8 22.Qg7 Qg7 23.Bg7 Bg5 24.Kc2 Rg8+–) 21.Qb8 Kd7 22.Qa7 Kd6 (22...Kc8 23.Qa8 Kc7 24.Be5 Kb6 25.Qh8 Ba3 26.Kc2 Nd6 27.Qh7 Bb4+–) 23.Be5 Ke6 24.Bg7 Kd6 25.Be5 Ke6 26.Bh8 1–0. croach (2360) – geldridge (2320), net–chess.com, 2015.

4.c3 Ba5

5.Bc4 a6 6.Bg8 Rg8 7.Qh5 Kf8 8.Ba3 d6 9.Nh3 h6 10.0–0 Qe8 11.Qh4 Bh3 (better is 11...Qg6!?–+) 12.Qh3+= Nc6 13.f4 ef4 14.Rf4 Qe5 15.Rh4 Bb6 16.Kh1 Qb5 17.c4 Qc4 18.Nc3 Ne5 19.Nd5? (better is 19.Qf5 Bd4 20.Rh3–+) 19...Nd3 20.Rf1 Nf2 21.Rf2 Bf2 22.g3 Qe2 (better is 22...g5 23.Nc7 gh4 24.Bd6 Kg7–+) 23.Rf4 Qe1 24.Kg2 Qg1 25.Kf3 Bd4 26.Ke2 Be5 27.Nc7 Bf4 28.Na8 Be5 29.Nc7 Qb6?? (better is 29...g5 30.Qh6 Kf7 31.Qh5 Rg6 32.Qh7 Rg7 33.Qh5 Kg8 34.Qe8 Kh7 35.Qh5 Kg8 36.Qe8 Kh7 37.Qh5 Kg8=) 30.Qd7+– Qc7 31.Qc7 (31.Qc7 g5 32.d4+–) 1–0. Klawitter,Bernd – Lauer,Frederic, ZL–2012–0–01140, 2012.

5.Bc4 c6 6.Bg8= Rg8 7.Qh5 Ke7 8.Qh7 Bb6 9.Ba3 d6 10.Nf3 Be6 11.0–0 Nd7 12.d4 Bg4 13.Nh4 Nf8?? 14.Qg8+– Ke8 15.Qg7 Be6 16.Qh8 Bf7 17.Nf5 Bc7 18.Ng7 Kd7 19.Nf5 Ke8 20.de5 fe5 21.Rd1 Qg5 22.Bd6 (22.Bd6 Bd6 23.Nd6 Ke7 24.Nf5 Ke8 25.Qe5 Ne6 26.Nd6 Kf8 27.Nf7 Qe5 28.Ne5+–) 1–0. pauldopson – malaysianisme, net–chess.com, 2004.

5.Bc4 Nc6 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nc6 5.c3 Ba5).

5.Bc4 Ne7 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.c3 Ba5).

5.Bc4 g6 6.d4 ed4=+ 7.Ne2 dc3 8.Nbc3 Nc6 9.0–0 Bb6 10.Nd5 d6 11.Nb6 ab6 12.Qd5 Qe7 13.Rac1 Ra5 14.Qd3 Ne5 15.Qc2 Nc4 16.Qc4 Rc5 17.Qa4 Qd7 18.Qb4 h5 19.Nf4 g5 20.Nd5= Rh6 21.Qb3 Kf8 22.Ba3 Rc6 23.f4 g4 24.e5+/– Qd8? 25.Nc7!+– Kg7 26.ed6 f5 27.Rc6 bc6 28.Qb6 Kh7 29.Qc6 Qf6 30.Qe8 Qd4 31.Kh1 Bb7 32.Qf7 Kh8 33.Ne6 Bg2+/– 34.Kg2 Qe4 35.Kf2 Qf3 ½–½. Cortiano,Edson Jose – Hirsch,Nelson, corr BRA CEI5, 1995.

5.d4 ed4 6.Qd4?? d6 7.Nf3 Nh6 8.e5? Nc6 9.Qd5 Qe7 10.Bb5–/+ Bd7 11.Nd4?? Qe5 12.Qe5 fe5 13.Nc6 Bc6 14.Bc6 bc6 15.Nd2 0–0 16.Nc4 Bb6 17.0–0 Rf4 18.Nb6 ab6 0–1. pauldopson – malaysianisme, net–chess.com, 2004.

5.d4 ed4?? 6.Qh5+– g6 7.Qa5 Nc6 8.Qb5 a6 9.Qb3 dc3 10.Nc3 d6 11.Nd5 Ne5 12.Rc1 c6 13.Nb6 Rb8 14.Nc8 Qc8 15.f4 Nf7 16.Bc4 Nfh6 17.Ne2 Qd7 18.0–0 Ke7 19.Rfd1 Ng4 20.Ba3 (20...N8h6 21.Bd6 Qd6 22.Rd6 Kd6 23.Qb4 Kc7 24.Qe7 Kb6 25.Rb1 Ka7 26.Ba6+–) 1–0. kamret (2190) – NN, GameColony.com, 2003.

5.d4 d5 6.de5 de4 7.Qa4 c6 8.Qe4 Qd5 9.Qd5 cd5 =+.

5.d4 d5 6.de5 de4 7.Qd8 Kd8=+ 8.Nd2 Nd7 9.Ne4 Ne5 10.Rd1 Ke8 11.Bb5 c6 12.Nd6= Kf8 13.Be2 Ne7 14.Nf3 Nd5 15.Ne5 fe5 16.0–0 Bc3–+ 17.Ba3 Be6 18.Nb7 Kg8 19.Bf3 Rb8 20.Nc5 Bf7 21.Rb1 Rb1 22.Rb1 Nb6 23.Bc6 Ba2–/+ 24.Rc1 Bd4 25.Ne4 h5 26.Ng5 Rh6 27.Bf3 a5 28.Rc7 Rf6 29.Bc5 a4 30.Bh5 Bc5 31.Rc5 Bd5 32.Ra5 g6 33.Bg4=+ Rc6 34.h3 Kg7 35.Ra7 Kg8 36.Bf3 Rd6 37.Bd5 Rd5 38.Kh2 Rc5 39.Nf3 Kf8 40.Ra6 Rb5 41.Ne5 Re5 42.Rb6 Ra5 43.Rb2 a3 44.Ra2 Ke7 45.Kg3 ½–½. Bartsch – Rohde,Friedhelm, corr BdF T5002, 1995.

5.d4 d5 6.de5 de4 7.Qd8 Kd8 8.Nd2 Bf5 9.Ne2 Nc6 10.Ng3 Bd7 11.ef6 Nf6 12.Nde4 Re8 13.f3 Nd5 14.0–0–0 Ne3 15.Rd2 Bb6 16.Bb5 a6 17.Bc6 bc6 18.Re2 Nc4 19.Kc2 Re5 20.Rhe1 ½–½. Meier,Franz – Schulz,Hans_Juergen, TT–13.12 ETC, 2004.

5.d4 Ne7 6.de5 fe5 7.Bc4 =+.

5.Nf3 c6 6.Be2 Ne7 7.0–0 0–0 8.d4=+ Bc7 9.Nbd2 d5 10.de5 fe5–/+ 11.Re1 Nd7 12.ed5 cd5 13.Qb3 Nb6 14.Rad1 Kh8 15.Nf1 Be6 16.Qb4 Nc6 17.Qh4 Rf6 18.Qg5 Qf8–+ 19.Ng3 e4 20.Nd4 Nd4 21.cd4 Bf4 22.Qh4 g5 23.Qh5 Rh6 24.Ba3 Qg7 25.Bg4 Rh5 26.Nh5 Qh6 27.Nf4 gf4 28.Be6 Qe6 29.h3 Rg8 30.Kh2 Qg6 31.Rg1 Nc4 32.Be7 e3 33.fe3 Ne3 34.Rd2 Nf5 35.Bc5 b6 36.Ba3 Nh4 37.Be7 Nf3 (37...Nf3 38.Kh1 Nd2–+) 0–1. DanielMena – jammboy, ChessWorld.net, 2006.

4.c3 Bc5

5.c4 Nc6 6.d3 Bd4 7.Ne2?? Bb2–+ 8.Nec3 Ba1 9.Nd2 Bc3 10.Qc2 Bd2 11.Qd2 Nd4 12.a4 Qe7 13.Be2 Ne2 14.Qe2 Qb4 15.Qd2 Qd2 16.Kd2 Ne7 17.g3 Nc6 0–1. alctay (1715) – mduerr (1700), net–chess.com, 2009.

5.d4 Bb6 6.Nd2 =.

5.d4 Bd6 6.Nf3 c6 7.de5+= Bc7 8.ef6 Qf6 9.Bd3 d5 10.0–0 Bg4 11.ed5 Ne7 12.dc6 Nbc6 13.Re1 Bf3 14.Qf3= Qf3 15.gf3 0–0–0 16.Be4 Ne5 17.Na3+= g6 18.Nb5 Bb6? 19.Rac1?? Rhf8?? 20.Nd4 Rf6 21.Bb7+/– Kb7 22.Re5 Nd5 23.Rce1 Bd4 24.cd4 Rf3 25.Rg5 Rd3+= 26.Rb1 Nb6 27.d5 R8d5=+ 28.Rd5 Rd5 29.Kg2?? Rb5 30.Kg3 Na4 31.f4 Rb2 32.Re1 Ka6 33.Re6 Nb6 34.a3 Rb3 35.Kg4 Ra3 36.Re7 Nd5 37.Rh7 Nf6 (37...Nf6 38.Kg5 Nh7 39.Kg6 Rh3–+) 0–1. DanielMena – SIRMO, ChessWorld.net, 2006.

5.d4 Bd6 6.Qg4 g6 7.Bd3 Be7 8.de5 d6 9.e6= Nc6 10.Bb5 Be6?? 11.Bc6 bc6 (11...bc6 12.Qe6 Rb8+–). Stoot – aligarjon, ChessWorld.net, 2005.

5.d4 ed4??

6.Qh5 Kf8 7.Qc5 d6 8.Qd4 +–.

6.Qh5+– g6 7.Qc5 dc3 8.Nc3 Nc6 9.Bc4 Nge7 10.Nd5 Nd5 11.Qd5 Qe7 12.Rc1 Ne5 13.Bb3 d6 14.f4 Nc6 15.Rc6 (15...Be6 16.Rc7 Bd5 17.Re7 Ke7 18.Bd5+–) 1–0. marre (1945) – MyWay316 (1910), GameColony.com, 2003.

6.Qh5+– g6 7.Qc5 dc3 8.Nc3 d6 9.Qb5 c6 10.Qb4 Na6 11.Ba6 ba6 12.Nge2 Be6 13.0–0–0 c5 14.Qb7 Rb8 15.Qg7 1–0. Fritz 8 – NN, 2003.

6.Qh5+– g6 7.Qc5 d6 8.Qc4 c5 9.cd4 cd4 10.Nf3 Qe7 11.Qc8 (11…Kf7 12.Bc4 Kg7 13.Nd4 Qe4 14.Kd1+–) 1–0. Marre – djerzy, zagraj.pl, 2003.

6.cd4 Bb4=

7.Bc3 Qe7 8.Bb4 Qb4 9.Nd2 Qd4 10.Ngf3 =.

7.Nc3 d5!? =+.

7.Nc3 d6?? 8.Bc4?? Nc6+= 9.d5 Ne5? 10.Nf3?? Bg4?? 11.Be2?? Bf3 12.Bf3 Nf3 13.Qf3 Ne7 14.0–0 Bc3 15.Qc3 0–0 16.Rfe1 c6 17.dc6 Nc6 18.Rad1 Qe7 19.Rd2 Rad8 20.Red1 Qe4–/+ 21.h3 d5 22.Qd3 Qd3 23.Rd3 d4 24.Bd4 Nd4 25.Rd4 Rd4 26.Rd4 Rb8 27.Kf1 Kf7 28.Ke2 a5 29.Rd5 =. parlaycharlie – gunar, ChessWorld.net, 2002.

7.Nc3 Qe7 8.Bc4 Bc3 9.Bc3 Qe4 10.Qe2 Qe2 11.Ne2 Ne7 12.0–0 d5–+ 13.Bb3 Bf5 14.Nf4 0–0?? 15.Nd5+– Nd5 16.Bd5 (16.Bd5 Kh8 17.Bb7+–) 1–0. cindya – presort, net–chess.com, 2006.

7.Nd2 d5 8.Bd3 h5 9.Ngf3 Bd2 10.Qd2 Nc6 11.Qe3 g5? 12.0–0 g4 13.ed5 Nce7 14.Rfe1?? gf3+= 15.d6 Qd6 16.Bg6?? Kd8–+ 17.Qf3?? Ng6 18.Qe4 N6e7 19.d5 Bf5 20.Rad1 Be4 21.Re4 Nd5 22.Rde1 Kd7 23.Bd4 Nge7 24.f4 Rhe8 (24...Rhe8 25.Re6 Qa3–+) 0–1. jacksrking – mduerr (1700), net–chess.com, 2009.

4.c3 Bd6

5.Bc4 g6 6.f4 (6.Nf3!?=) 6...Nc6 7.f5 Kf8 8.Nh3 Kg7 9.0–0 Na5 10.Be2 c6 11.d4 g5 (11...ed4 12.cd4 Qc7 13.Kh1–/+) 12.Nd2 h6 (12...Qc7 13.Kh1=) 13.Nc4+= Nc4 14.Bc4 b5 15.Bb3 Qe7 16.a4 (16.Qh5!?+=) 16...ed4 17.cd4 (17.Qd4?? Bc5 18.Bc2 Bd4 19.cd4 b4–+) 17...Qe4 18.Re1 Qf5 19.Bc2 Qd5 20.ab5 (better is 20.Bb3 Qf5 21.Bc2=) 20...Qb5–/+ (20...cb5? 21.Be4 Bh2 22.Kh1+– (22.Kh2?! Qd6 23.Kg1 Rb8+–)) 21.Qh5 Ne7 (better is 21...f5!? 22.Bf5 Qf5 (22...Qb2?? 23.Qg6 Kf8 24.Re8) 23.d5 Nf6–+) 22.Re7 Be7 23.Qg6 (23.Ba3 f5 24.Be7 Qd5=) 23...Kf8 24.Ba3 Qe2?? (better is 24...c5 25.Rf1 d6 26.Rf6 Bf6 27.Qf6 Ke8 28.Qh8 Kd7 29.dc5 Qf1 30.Kf1 Ba6 31.Ke1 Rh8 32.Ba4 Kd8 33.cd6 Rf8+–) 25.Qf6+– Kg8 26.Be7 Qc2 (26...Qe7 27.Qe7 Ba6 28.Bb3 Bc4 29.Bc4 d5 30.Bd5 cd5 31.Ra6 Rh7 32.Rg6 Kh8 33.Qf6 Rg7 34.Qg7) 27.Rf1 (27.Rf1 Qg2 28.Kg2 a5 29.Qf7; 27.Qf8 Kh7 28.Qf7) 1–0. Kuznetsov,Petr (2030) – Savintsev,Dmitriy (1835), Kemerovo–ch, 2009.

5.Nf3 Be7 6.d4 =+.

5.Nf3 f5 6.d3 Nf6 7.ef5 Nc6 8.Be2 Be7 9.0–0 d5–/+ 10.Re1 0–0 11.d4 Bf5 12.Ne5 Ne5=+ 13.de5 Ne4 14.Bf3 Bc5 15.Be4? Be4–+ 16.Nd2 Bg2! 17.Kg2 Qg5 18.Kh1 Rf2 19.Re2?? Qg2 0–1. DanielMena – smoothmovermovesagain, ChessWorld.net, 2007.

4.c3 Be7

5.Bc4 c6 6.Nf3 Nh6 7.Nh4 g6 8.0–0–/+ d5 9.ed5 cd5 10.Bb5 Nc6 11.d4 a6 12.Bd3? e4–+ 13.Be2 g5 14.Bh5 Nf7 15.Bf7 Kf7 16.Qh5 Kg7 17.f4 gh4 18.Qh4 Rg8 19.g4 Bg4! 20.Qg3 Kh8 21.Kf2 Bf3 22.Qh3 Rg2 23.Qg2 Bg2 24.Kg2 Qb6 25.Ba3 Ba3 26.Na3 Qb2 27.Kg3 Rg8 28.Kh4 Qh2# 0–1. MARYMARY – Clay56, ChessWorld.net, 2010.

5.Bc4 g6 6.d4 Nc6 7.Nf3 Na5 8.Bg8 Rg8 9.de5 Nc6 10.ef6 Bf6 11.0–0 d6 12.Nbd2 Qe7 13.Rb1 Bg4 14.Qb3 0–0–0 15.c4 Rgf8? 16.Bf6+– 1–0. kamret (2190) – redisperanza, GameColony.com, 2003.

5.Bc4 Nh6 6.d4 d6 7.Qh5 Kf8 8.h3 Qe8 9.Qe2 Nf7 10.Nf3= g6 11.0–0 Kg7 12.a4 Nc6=+ 13.a5 a6 14.Nbd2= Ncd8 15.Ne1 Ne6 16.Nd3= g5 17.Rfb1 Nf4 18.Nf4 gf4 19.Nf3 Ng5 20.Nh4 h6 21.Bc1 Rh7 22.Kh2 Kh8 23.Nf5 f3–/+ 24.gf3 Bf5–+ 25.ef5 Qh5 26.Bg5 hg5 27.Qf1 Qf3 28.Be2 Qf4 29.Kg1 g4 30.Bg4=+ Rg8 31.Qg2 Rhg7 32.Kf1=+ Qf5 33.Bf5+= Rg2 34.Ke2 d5 35.Be6 R8g3 36.Bd5+– Rh2 37.Rb7 Rc3 38.Rb8 Kh7 39.Be4 f5 40.Bf5 Kg7 41.de5 Bc5 42.Rf1 ½–½. Widera,Jan (2145) – Zolnierowicz,Krzysztof (2255), Kowalewo Pomorskie op–A, 2007.

5.Be2 d5–/+ 6.ed5 Qd5 7.Bf3 Qb5 8.Ba3 Ba3 9.Na3 Nc6?? 10.Nb5+– Kd7 11.Qc2 a6 12.Na3 Nge7 13.Ne2 h6 14.Qd3 Ke6 15.0–0 Rd8 16.Qc2 Bd7 17.Nc4 Kf7 18.Bh5 g6 19.Bg6! Ng6 20.Ne5! Nge5 21.f4 Ng4 22.h3 Na5 23.hg4 Bb5 24.g5 Be2 25.Rf2 Bd3 26.Qd1 Nc4 27.Qh5 Ke6 28.gh6 Bc2 29.Re1 Kd6 30.h7 Rd7 31.h8Q Rh8 32.Qh8 Kc6 33.Qf6 Rd6 34.Re6 Re6 35.Qe6 Nd6 36.f5 Ba4 37.f6 Bb5 38.f7 Kc5 39.f8Q Bc4 40.Rf5 Kb6 41.Qfd6! c6 42.Qc4 Ka7 43.Rf7 Ka8 44.Qd7 Kb8 45.Qb7# 1–0. jbumgar (1675) – mduerr (1700), net–chess.com, 2009.

5.Nf3 a6 6.d4=+ d5 7.Bd3 Bg4 8.de5 c6 9.ed5 Qd5 10.ef6 Bf3 11.Qf3 Qe5 12.Kd2 Qg5 13.Kc2 Nf6 14.Re1 Nbd7 15.Na3 Ne5 16.Re5?? Qe5–+ 17.c4 Qg5 18.Re1 Kf7 19.g3 Ba3 20.Ba3 b5?? 21.Qc6 Rhe8= 22.Re8 Re8 23.cb5 Qe5 24.Bc4 Kg6 25.ba6 Qe4?? 26.Qe4 Ne4 27.Bd3 Kf5?? 28.f3 Rc8 29.Kb3 Rc3+/– 30.Ka4 Ke5?? 31.fe4 Rd3+/– 32.a7 Rd8 33.Bb2 Ke4+/– 34.Ka5 Ra8?? 35.Kb6+– Re8 36.Kb7 Kd5?? 37.a8Q Ra8 38.Ka8 g6 39.a4 Kc5 40.a5 Kb5 41.Bc3 Ka6 42.h4 Kb5 43.g4 Ka6 44.h5 gh5 45.gh5 Kb5 46.Kb7 (46.Kb7 Kc4 47.Bg7+–) 1–0. segovia (1840) – mduerr (1700), net–chess.com, 2009.

5.Nf3 d5!? –/+.

5.Qg4 g6 6.h4 d5–/+ 7.Qf3 Be6 8.h5 g5 9.g4? de4 10.Qe2 Qd7 11.Bg2 Na6 12.Be4 0–0–0 13.d4 Bg4 14.f3 Be6 15.de5 fe5 16.Nd2 Nf6 17.Bc2 Nd5 18.0–0–0 Qc6 19.c4 Nab4 20.a3 Na2 21.Kb1 Nac3 (21...Nac3 22.Ka1 Ne2 23.Ne2 Ne3–+) 0–1. Rosina,Graziano – Keber,Ernst, OP–2006–0–00068, 2006.

4.Be5? fe5–+

5.Qh5 Kf8 6.Qe5 Nc6 7.Qf4 Ke8 8.Bc4 Qf6 9.Qf6 Nf6 10.a3 Bc5 11.d3 d6 12.Ne2 Bg4 13.f3 Bh5 14.Nf4 Bf7 15.Bf7 Kf7 16.Nd2 Be3 17.Nd5 Bd2 18.Kd2 Nd5 19.ed5 Ne7 20.c4 b6 21.Rhe1 Rae8 22.Re4 Ng6 23.Rae1 Re4 24.de4 Re8 25.Kc3 Kf6 26.Kb4 a6 27.a4 Ne5 28.a5?? Nd3 (28...Nd3 29.Kc3 Ne1–+) 0–1. dusterstar – dunk (1605), internet, 2006.

5.Qh5 g6?? 6.Qe5+– Kf7?? 7.Qh8 Nc6 8.Qh7 Kf8 9.Bc4 Ne5 10.Qg8 Ke7 11.Qg7 Kd6 12.Nf3 Nc4 13.Qd4 Ke7 14.Qc4 Bd6 15.e5 Be5 16.Ne5 Qe8 (16...Qe8 17.0–0 Kf8 18.Qc7 Qe6+–). FatMaHa – I need chocolate..., ChessWorld.net, 2005.

4.Nf3 Nc6

5.Ba3 Ba3–/+ 6.Na3 Qe7 7.Nc4 Nb4 8.c3 Nc6 9.g3 Nh6 10.Rb1 Qc5 11.d4=+ ed4 12.cd4 Qe7 13.d5 Qe4 14.Be2? Nd4!–+ 15.Qd4?! Qb1 16.Bd1 Nf5 17.Qd2 Qe4 18.Be2 Qb1 19.Bd1 Qe4 20.Be2 ½–½. jboger (1985) – mduerr (1700), net–chess.com, 2009.

5.Bb5 Nge7 6.0–0 a6 7.Bc4 d6 8.c3 Bc5 9.d4 ed4 10.cd4= Bb6 11.Re1 Ba7 12.e5 de5–/+ 13.de5 Qd1 14.Rd1 fe5 15.Ne5 Ne5 16.Be5= Bg4 17.Rd2 b5 18.Bb3 c5 19.Bd6?? Nf5 20.Nc3 c4 21.Re1 Kf7 22.Bc2 Nd6 23.Rd6 Rhd8 24.Ra6? Bf2! 25.Kf2 Ra6 26.Bh7 b4 27.Nb5 Ra2 28.Kg3 Bd7 29.Rd1 c3 30.Nd4 g6 0–1. gtate (1700) – guillermomoad (1715), net–chess.com, 2002.

5.Be2 Nge7 6.Bc4 d5 7.ed5 Nd5 8.0–0 Be6 9.c3 Ba5 10.Bb5 Nde7 11.d4 Bg4 12.Nbd2 ed4 13.Qb3 dc3 14.Bc3 Bc3 15.Qc3 Qd5 16.Bc4 Qa5 17.Qe3 0–0–0 18.Ne4 Bf3 (18...Bf3 19.Qf3 Nd4 20.Qh3 Qf5–/+; 18...Nd5 19.Qb3–+) 0–1. metal – wed, caissa.com, 2006.

4.Nf3 d5

5.ed5 Qd5 6.a3 Ba5 7.Nc3 Bc3 8.Bc3 c5 9.Bb5 Bd7 10.Qe2 Bb5 11.Qb5 Nd7 12.0–0 Ne7 13.Rab1 b6 14.d3 0–0 15.Rfe1 Nf5 16.a4 a6 17.Qb2 Nd4 18.Nd2 b5 19.ab5 ab5 20.Bd4 cd4 21.Qb5 Qb5 22.Rb5 Ra2 23.Rc1 Rb8 24.Rb8 Nb8 0–1. Flazinski,Pawel – Bendig,Frank, corr or01–018 E–mail, 2002.

5.ed5 Qd5 6.a3 Ba5 7.Be2 e4 8.Nd4 e3 9.0–0=+ ef2 10.Rf2 Bb6 11.c3 c5 12.Bf3 Qg5 13.Nb3 c4 14.Nd4 Bd4 15.cd4= Ne7 16.Qa4 Bd7= 17.Qc4 Nbc6 18.Nc3+= Rc8? 19.Qb3?? Nd4+= 20.Qb7 Nf3 21.Qf3 Bc6 22.Qe3 Qe3= 23.de3 0–0 24.Rd1 Rfd8 ½–½. Neumann,Frank (1635) – Klawitter,Bernd (1860), remoteschach.de, 2010.

5.ed5 Qd5 6.Nc3 Bc3 7.Bc3 Nc6 8.Be2 e4 9.Ng1 Nge7 10.f3 0–0 11.fe4 Qe4 12.Nf3 Nd5 13.0–0 Nc3 14.dc3 Bg4 15.Re1 Rad8 16.Bd3 Qd5 (17.Qe2 Qc5 18.Qe3 Qe3 19.Re3 Bf3 20.gf3 Rd6–/+; 16...Qf4 17.Re4 Qf5 18.Bc4 Kh8 19.Qe2–+) 0–1. White,Brian – Lewis,Blake, IECG G–9, 1995.

4.f4

4.f4 (--> 1.b4 e5 2.Bb2 Bb4 3.f4 f6 4.e4).

4.f4 Nc6 5.Bc4 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nc6 5.f4).

4.Qh5 g6

5.Qd1 d6 6.c3 Bc5 7.Bc4 Qe7 8.Nf3 Be6?? 9.Be6?? Qe6=+ 10.d3 Nh6 11.Nbd2 Nc6 12.Nb3 Bb6 13.a4 a5 14.Nbd2 Ne7 (14...Ne7 15.Rb1 0–0=+; 14...f5 15.Nc4 Bc5 16.ef5 Nf5 17.Qe2–/+) 0–1. mic (2150) – fbershadski (2350), net–chess.com, 2007.

5.Qf3 d6 6.Bc4 Qe7?? 7.Qb3+/– Bd2 8.Nd2+– Nh6 9.Ngf3 Nc6 10.0–0 a6 11.Rfd1 b5 12.Bd5 Bb7 13.a4 b4 14.c3 a5 15.cb4 ab4 16.Bc3! bc3 17.Qb7 Nd8 18.Qa8 cd2 19.Rd2 1–0. Wall,Bill – Gordon1, internet, 2006.

5.Qh4 Nc6 6.a3 Bc5 7.Bc4 h5 8.Ne2 g5 9.Qg3 d6 10.Bg8 Rg8–/+ 11.Nbc3 Be6 12.Na4 Qe7 13.Nc5 dc5 14.Nc3 0–0–0 15.0–0–0 Nd4 16.Qe3 Rd7 17.h4 g4 18.Qh6 Qf7 19.Rhf1 b5 20.Rde1 c6 21.Ne2 Ne2 22.Re2 Bc4 23.d3= Rd3 24.cd3 Bd3 25.Rfe1 Qc4 (25...Qc4 26.Kd1 Rd8–/+ (26...Be2?! 27.Re2 Qd3 28.Ke1+=); < 25...Be2 26.Re2 g3 27.f3 Qc4 28.Kd1 Rd8 29.Ke1+=) 0–1. tightfist (2245) – rollerblade (2295), net–chess.com, 2010.

5.Qh4 Nc6 6.Bc4 h5 7.g4 d5 8.Bd5 Bg4 9.h3 Bc8 10.f4 Bd6 11.Ne2? g5 12.fg5–/+ fg5 13.Qf2 Nf6 14.Ng3? Rh6 15.Nc3 Qe7 16.Nf5 Bf5 17.Qf5?? Nd4–+ 18.Qg5 Nf3 (18...Nf3 19.Ke2 Ng5 20.Bb7 Rb8 21.Bc6 Nd7–+) 0–1. Djakov,Joao – De Almeida Fernandez,Antonio Manuel, internet section, 2004.

5.Qh4 d6 6.Bc4 Qe7 7.Ne2 Be6 8.Be6 Qe6 9.0–0 Ne7 10.Nbc3 0–0 11.f4 Bc5 12.Kh1 Nbc6 13.Rae1 (13.a3 Nd4 14.Nd4 Bd4–/+) 13...Rf7 (13...Nb4 14.Na4–/+) 14.Rf3 Nd4 15.Nd4 ed4 16.Nb5 Qa2 17.Rb3 Qa4 18.Nc7 Rc8 19.Nb5 Qc4 (19...d3 20.Nc3 Qc4 21.Rb7=) 20.Rc1 (20.Na3 Ba3 21.Ra3 Qc2 22.Bd4 Qd2 23.Ba7 Rc1–/+) 20...Qe2 21.Rd3 Increasing the pressure on the isolated pawn on d4 21...Qe4 22.Re1 Qc6 23.Nd4 Bd4 24.Bd4 Qc2 25.Qh3 b6 (25...Nd5!? 26.Qf3 Nf4 27.Rde3–+) 26.Bc3–/+ d5 (26...Rd8!?–/+) 27.Rd5+= Nf5 (27...Nd5? 28.Qc8 Rf8 29.Qe6 Rf7 30.Qd5+–) 28.g4 Re7 29.Qf1 Rce8 (29...Ne3 30.Re3 Re3 31.de3 Qc3 32.Qe2–/+) 30.Re7 Ne7 31.Qe1 Kf7 32.Rd7–/+ Qa4 33.Rd4 Qc6–+ 34.Kg1? Nf5 35.Qb1 Nh4 36.Qb3 Kg7 37.Qd5 Nf3 38.Kf2 Nd4 39.Qd4 Qc5 40.Qc5 bc5 41.g5 Re6 0–1. Steinbacher,Claudia (2190) – Borulya,Ekaterina (2290), BL, 2007.

5.Qf3 Nc6

6.Bc4 Na5 7.Bd3 d6–/+ 8.Nc3 c6 9.Nge2 Nh6 10.a3 Bc5 11.Na4 Bb6 12.Nb6 ab6 13.Qe3 Nf7 14.f4 0–0 15.a4 d5 16.ed5= Qd5 17.Be4 Qc5 18.d4 ef4 19.Qf4 Qd6 20.0–0 Qf4 21.Rf4 Nc4 22.Bc3 Re8 23.Bd3 Ne3 24.Rf6 Bf5 25.Bf5 gf5 26.Nf4 Ng5 27.Rh6 Ne4 28.Bb2–/+ Nc2 29.Rc1 Nb4 30.Ra1 Ra5 31.Rh3 Rea8–+ 32.Rh5 b5 33.Rf5 ba4 34.Ra5 Ra5 35.Re1 Nf6 36.Re3 Nbd5 37.Rg3 Kf7 38.Nd3 0–1. Rohde,Friedhelm – Preuss, corr BdF T5002, 1995.

6.Bc4 Qe7 7.Ne2 Nh6 8.Nbc3 Bc3 9.Qc3 b6 10.Ba3 Qg7 11.0–0 Bb7 12.d4 ed4 13.Nd4 Nd4 14.Qd4 Nf7 15.f4 c5 16.Qd3 0–0–0 17.Bd5 d6 (17...f5 18.e5 d6 19.e6+=) ½–½. Rohde,Friedhelm – Holliman, corr WT–M–GT–346, 1994.

6.Bc4 Nh6 7.Nc3 Na5 8.Bb3 Nb3 9.ab3 0–0 10.Nd5 Bc5 11.d4 ed4 12.Qf4 c6 13.Nc7 Bb4 14.Kf1 g5 15.Qg3+/– Rb8 16.Na6 ba6 17.Qb8 Qe7 18.h4= Bd6 19.Qa7 Bc5 20.Qc7 Qe4 21.hg5 Qc2 22.gh6+= Qb2 23.Qg3 Kf7 24.Re1 Rg8 25.Qd3 (25…d5 26.Qh7 Kf8 27.Qg8 Kg8 28.h7 Kf7 29.h8Q+–) 1–0. Rohde,Friedhelm – Bendig,Frank, corr BdF T5002, 1995.

3.e4 b5

4.Bb5 c6 5.Bc4 d5 6.ed5+/– cd5 7.Bb5 Bd7+= 8.Bd7 Qd7 9.a3+/– Nc6 10.Ne2 a5 11.b5+/– Nd8 12.a4 Bc5 13.0–0 Qf5 14.d4+– Bb6 15.de5 fe5 16.Qd5 Rc8 17.Qe5 (17.Qe5 Ne7 18.Qf5 (< 18.Qg7 Rg8 19.Qf6 Rc2 20.Qb6 Re2+–) 18...Nf5 19.Na3+–) 1–0. Wall,Bill – Orred, internet, 1999.

4.Bb5 Ne7 5.d4 c6 6.Bd3 Qb6 7.c3 d5 8.ed5 cd5+/– 9.b5 e4+= 10.Be2 a6 11.c4 dc4 12.Qa4 Bd7 13.Bc4+= Bb5 14.Bb5 Qb5 15.Qb5 ab5 16.Nc3 b4 17.Ne4 Ng6 18.Ne2 b3? 19.ab3+– Bb4 20.N4c3 Ra1 21.Ba1 0–0 22.0–0 Nc6 23.Bb2 Re8 24.g3 Bc3+/– 25.Nc3 (25.Nc3 Nd4 26.b4+/–) 1–0. Istvanny (1620) – LuckyMiki, internet, 2007.

4.Bb5 Bb4

5.a3 Bc5!? +=.

5.a3 c6 6.ab4+/– cb5 7.d4 d6 8.Nf3 Nc6+= 9.Qd2 Qd7 10.d5 Nce7 11.0–0 Ng6 12.Qe3 Qb7 13.Nbd2 Bg4 14.h3 Bh5 15.g4+– 1–0. Seki,Katsutoshi – Kennedy,Mark, IECG, 1997.

5.c3 Ba5 6.Nf3 c6= 7.Bc4 d5 8.ed5 cd5 9.Bb3 Nc6 10.d3 Rb8 11.0–0 Bg4 12.Nbd2 Nge7 13.Qc2 0–0 14.h3 Bf5 15.Ne4 Qc7 16.Ng3 Bg6 17.Rac1 Rfd8 18.Ba3 a6 19.Nh4 Be8 20.Nhf5 Nf5 21.Nf5 Bg6 22.Ne3 Bf7 23.Qd1 d4 24.Bf7 Qf7–/+ 25.cd4 Nd4 26.Nc4 Bb4 27.Bb4 Rb4 28.f4 ef4 29.Rf4 Qa7 30.Kh1 Qd7 31.a3 Rb5 32.a4 Rb4=+ 33.a5 Nb3–/+ 34.Nb6 Qd6 35.Rb4 Nc1 (36.Nd5 Na2=+; 35...Qb4? 36.Rb1 Qa5 37.Qb3 Kh8 38.Qc4+–). de Visser,Arno – Koller, corr ICCF TT–4–90 SF, 1995.

5.c3 Be7 6.Bc4 Ba6 7.Bg8 Rg8 +=.

5.Bc4 Ba6 6.Bg8 Rg8 7.a3 Bf8 +=.

5.Bc4 Ne7 6.f4 d5 7.ed5 ef4 8.Qf3 Bd6 9.Ne2 Ng6 10.d4 Qe7 11.Bc1 Bf5 12.Bd3 Bd3 13.Qd3 0–0 14.0–0+/– Re8 15.Nbc3 Nd7 16.Nf4 Nf4 17.Bf4 Bf4 18.Rf4 Qe3 19.Qe3 Re3 20.Nb5 Nb6 21.Nc7 Rd8 22.a4 Nd5 23.Nd5+– Rd5 24.c4 Ra5 25.Rf3 Re4 26.Rd3 Kf7 27.c5 Ke6 28.d5 Kd7 29.Rc1 Raa4 30.c6 Kc8 31.d6 Red4 32.d7 Kc7 33.Rcd1 (33.Rcd1 Rd3 34.Rd3 Ra1 35.Kf2 Kc6 36.d8Q Ra2 37.Ke3+–) 1–0. Lemus,Fausto R – Varona,Aurelio, corr CUB–ch1 sf, 1972.

3.e4 b6

4.a3= a5 5.ba5 Ra5 6.Nc3 =.

4.a3= d5 5.ed5 Qd5 6.Qh5 g6 7.Qf3 +=.

4.b5 c6 5.bc6 dc6 6.Bc4 Ne7 7.Nf3 Ng6 8.0–0 Bg4 9.h3 Bf3 10.Qf3 b5 11.Bb3 Bc5 12.d3 Nd7 13.c3 Nb6 14.Rd1 Na4 15.Ba4+/– ba4 16.d4 Qb6 17.Ba3 Ba3 18.Na3 Qc7 19.Qd3 ed4 20.cd4 Rb8 21.Qc4 Qd6 22.Rab1 Rb6 23.Qa4 Qc7 24.Rb6 ab6 25.d5 Ne5 26.f4 Ng6 27.Qc6 Qc6 28.dc6 Nf4 29.Rd7 0–0 30.Nc4 Ne6 31.Nd6 Nc5 32.Re7 Na6 33.c7 Nc7 34.Rc7 g6 35.Rc8 Rc8 36.Nc8 b5 37.Na7 Kf7 38.Nb5 Ke6 39.a4 1–0. Fritz,Harry – Koenig,F, corr private, 1999.

4.Bc4 Bb4 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 b6).

4.Bc4 h6?? 5.Qh5 Ke7 6.Qf7 (6.Qf7 Kd6 7.Be5 Ke5 8.Qd5 Kf4 9.Qf5#) 1–0. Bousios,Hristos – Bitsios,D, Greece, 1976.

4.Bc4 Nh6 5.Nf3 Bb7=+ 6.Nc3 c6 7.b5+= a6 8.a4 Bb4+= 9.bc6 Bc6 10.Nd5+/– Bd5 11.Bd5 Nc6 12.c3 Bd6 13.Nh4 g6 14.0–0 Rb8 15.Nf5 Nf5+= 16.ef5 Ne7 17.Be4 Bc7 18.fg6 hg6= 19.Qf3?? f5–+ 20.c4 Rh4 21.Qg3 Re4 22.Qh3 Kf7 23.d3 Re2 24.Qh7 Kf6 25.Qh4 g5 26.Qh6 Ng6 27.Bc1 f4 28.Qh5 Rc2 29.Qd1 Rc1! 30.Rc1 Qh8 31.Qg4 Qh7 32.Rfe1 d6 33.d4 Re8 34.h3 Qh4 35.Qf3 Re7 36.d5 Qh7 37.Re2 Nh4–+ 38.Qc3 Nf5 39.Rce1 Nd4 40.Re4 Kf7?? 41.Qd4!+– f3 42.Qe3 fg2 43.Kg2 Kf8 44.Qf3 Rf7 45.Qg4 Kg8 46.R1e3 Qg7 47.Rf3 b5?! 48.Rf7 Kf7 49.Qe6 Kf8 50.Qc8 (50.Qc8 Kf7 51.Qc7 Kg6 52.Qd6 Qf6 53.Qf6 Kf6 54.cb5 ab5 55.ab5+–) 1–0. Baehr,Frank Ronald (1690) – Keshvari,Behrang, Berlin op, 2003.

4.Be5 Bb4 5.Bc3 Qe7 6.Bb4 Qb4 7.Bd3 Bb7 8.Nc3 Na6 9.Nge2 Nh6 10.Ng3 Nc5 11.Qh5 Nf7 12.0–0 Nd3= 13.cd3 0–0 14.Rab1 Qd4 15.Nf5 Qd3 16.Ne7 Kh8 17.Ng6 Kg8 18.Nf8 Rf8 19.Qf3 Qf3 20.gf3 Ne5 21.Kg2 f5 22.Nb5 =. Roczniak,Jan – Balasinski, Poland, 1981.

4.Be5 fe5?? 5.Qh5+– g6 6.Qe5 Qe7 7.Qh8 Qg7 8.Qg7 Bg7 9.Nc3 c6 10.Bc4 Ne7 11.Nf3 Ba6 12.Ba6 Na6 13.a3 b5 14.0–0 0–0–0 15.a4 Nb4 16.ab5 Nc2 17.Ra7 cb5 18.Ra8 (18.Ra8 Kb7 19.Rd8+–) 1–0. Wall,Bill – King R, internet, 2000.

4.a3 Bb7

5.Nc3 a5 6.ba5 Ra5 7.Bc4 =.

5.Nc3 c5 6.Bc4 cb4 7.ab4 Bb4 8.Qg4 Qe7 9.Nge2 Nh6 10.Qg3 d6? 11.Nd5+– Bd5 12.Bd5 Nc6 13.Bc6 Kf7 14.Bd5 Ke8 15.Ba8 Kd7 16.Ra7 (16.Ra7 Ke8 17.Re7 Ke7 18.Qg7 Nf7 19.Bd5+–) 1–0. pereira – Julio Fuentes, internet, 2006.

5.Nc3 d5 6.ed5+= Bd5 7.Nd5+/– Qd5 8.Qh5 g6 9.Qg4 Qd7 10.Qf3 c6 11.d4 ed4+= 12.0–0–0 Bh6 13.Kb1+/– Qe6 14.Rd4 Qf7 15.Bc4+– Qg7 16.Nh3 Qc7 17.Re1 Ne7 18.Bf7!! Kf7 19.Qf6!! Ke8 20.Qh8 Bf8 21.Rd2 Nd7 22.Ng5 h6 23.Qh7 Qf4 24.Qg6 (24…Kd8 25.Ne6 Kc8 26.Qe8 Kb7 27.Qd7 Ka6 28.Nf4+–) 1–0. Nemec,Zdenek – Fischer,Heinz (1980), EM/O0, 2002.

5.Nc3 Ne7 6.Nf3 d6 7.Bc4 Be4?? 8.Ne4+/– d5 9.Nf6 gf6+= 10.Bb3 Nd7 11.0–0 Rg8 12.d4 e4 13.Nh4 Qc8 14.Bd5! Nd5 15.Qh5 Kd8 16.Qd5 Rg4 17.Qh5 Nb8 18.h3 Rg7 19.Qd5 Nd7 20.Qe4 c5 21.dc5 bc5 22.Rfd1 Kc7 23.Nf5 Rf7 24.bc5 Qe8 25.Qf4 Ne5 26.Nd6 Bd6 27.Rd6 Ng6 28.Qg3 Kc8 29.Bf6 (29…Rc7 30.Rd8 Qd8 31.Bd8 Kd8 32.Rd1 Rd7 33.Rd7 Kd7 34.Qd6 Kc8 35.Qc6 Kb8 36.Qe8 Kb7 37.c6 Kc7 38.Qa8+–) 1–0. Hueser,U – Hecker,K, corr TT/5001 BdF, 1995.

5.c4 c5 6.d3 cb4 7.a4 a5 8.Qh5 g6 9.Qh4 Bg7 10.Ne2 Na6 11.Nd2 Nc5 12.Nc1 Ne7 13.Be2 0–0 14.0–0 d6 15.Ndb3 Qe8 16.Nc5 dc5 17.f4 ef4 18.Qf4 Nc6 19.Bg4 Rd8 20.Qc7 Qe7 21.Qb6 Ra8?? 22.e5?? f5 23.Bf3 Ra6 24.Qa6?? Ba6–+ 25.Bc6 Bb7 26.Bd5?? Bd5 27.cd5 Be5 28.Be5 Qe5 29.Nb3 Qc3 30.Rab1 Qd3 31.Rfd1 Qe3 32.Kh1 c4 33.Na5 Qc5 34.Nc6 b3 35.Ne5 Rd8 36.Rdc1 Rd5 37.Nc4 Rd3 38.Nb2 Rc3 39.Rc3 Qc3 40.h4 Qc2 41.Rf1 Qb2 42.a5 Qa2 43.h5 b2 0–1. bratek55 – jnbrt (1610), internet, 2011.

4.d4 Bb4

5.c3 Bd6 6.Bc4 Ne7 7.Qh5 Ng6 8.Bc1 ed4?? 9.Bh6?? Qe7–+ 10.Bd5 Nc6 11.Ne2? d3 12.Ng3 Bg3 13.hg3 gh6 14.Qh6 Qf8 15.Qh5 Ba6 16.Nd2 0–0–0 17.Qd1 f5 18.f3 fe4 19.Be4 Qc5 20.Nb3 Qe3 21.Kf1 d2 (21...d2 22.c4 Bc4 23.Bd3 Bd3 24.Qe2 Be2#) 0–1. Wloka,Frank – Gottwald,Bernhard (1925), RSX20E – NoEngine–Grossturnier–1, 2010.

5.c3= Be7 6.de5 fe5 7.c4 d6 8.Nf3 Nf6 9.Nbd2 Bb7 10.Bd3 0–0 11.Qb3 Kh8 12.0–0 Nbd7 13.h3 Nc5–+ 14.Qc3 Nd3 15.Qd3–/+ Qe8 16.Ng5 Bc8 17.f4–/+ ef4 18.Rf4 Qg6 19.Ngf3? Bb7 20.Nh4 Qg5 21.g3 Nh5 22.Rg4 Qc5 23.Bd4 Qc6 24.Bg7?? Ng7–+ 25.e5 Bh4 26.Qe4 Qe4 27.Re4 Be4 28.gh4 Bf5 29.Rf1 Bh3 30.Rf8 Rf8 31.Kh2 Be6 32.Kg2 de5 (32...de5 33.Ne4 Nf5–+) 0–1. wach – chaser, Caissa.com, 2004.

3.e4 Nc6

4.a3 b6 5.Bc4 Bb7 6.Nf3 g6 7.0–0+/– Nb8 8.d4 Be4 9.de5+– fe5? 10.Ne5 (10.Ne5 Bg7 11.Nf7 Bb2 12.Nd8 Kd8 13.c3+–; < 10.Be5 Nf6 11.Nc3 Nc6 12.Ne4 Ne5 13.Ne5 Ne4+–) 1–0. Wall,Bill – Guest1200, internet, 2005.

4.Bc4 Bb4 5.Bg8 Rg8 6.Qh5 Ke7 7.c3 +=.

4.Bc4 Nge7 5.Nc3 (5.Qh5!? g6 6.Qf3=) 5...Nb4+= 6.Nf3 d6 7.a3 Nbc6 8.h3 Ng6 9.Nd5 Nce7 10.d4 c6 11.Ne3 b5 12.Ba2 Bb7 13.0–0 d5 (better is 13...c5!? 14.d5 Nf4+=) 14.de5+= fe5 15.ed5 cd5 16.Ne5 Ne5 17.Be5 Ng6 18.Qh5 Qe7? (better is 18...Qh4 19.Qh4 Nh4 20.Nd5 0–0–0+–) 19.Nd5 (19.Nd5 Bd5 20.Bd5+–) 1–0. roy1nc6 (1815) – oldtale2007 (1745), gameknot.com, 2012.

4.a3 d5

5.ed5 Qd5 6.Nc3 Qf7 7.Bb5 Bd7 8.Nf3 0–0–0 9.Bc6 Bc6=+ 10.b5 Bd7 11.d3 Ne7 12.Qe2 Ng6 13.g3 h5 14.Qe3 Kb8–/+ 15.0–0–0 Bg4 16.Rde1 Ne7 17.Kb1 Nd5–+ 18.Qe4 Nc3 19.Bc3 Ba3 20.Nd2 Bc5 21.Nb3 Bf2 22.Ref1 Bb6 23.Be5 Rhe8 24.Qf4 Be2 25.Bf6 gf6 26.Qf6 Qd5 27.Re1 Bd3! (27...Bd3 28.Qc3 Be2–+; 27...Qb5?! 28.Re2 Bd4 29.Qh4–/+) 0–1. Lida Garcia,F (2065) – De Dovitiis,A (2345), American Continental, Buenos Aires ARG, 2005.

5.ed5 Qd5 6.Nc3 Qf7 7.Bb5 Nge7 8.Nf3 g6 9.d4+= ed4 10.Nd4 Bd7 11.Nc6 Bc6 12.0–0+/– Bg7 13.Qd3 Rd8 14.Bc6 bc6 15.Qe3 0–0 16.Qa7 Nd5 17.Nd5 cd5+/– 18.Rfe1 Rfe8 19.b5 Qd7 20.a4 d4? 21.Re8+– Re8 22.Qd4 Qe7 23.Qc4 Kh8 24.a5 (24.a5 f5 25.Bg7 Qg7 26.c3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.a3 d6

5.Bc4 Nh6 6.Nc3 Be7 7.Qh5 Kf8 8.h3 Qe8 9.Qe8 Ke8 10.g4 g6 11.Nf3 f5 12.g5 Nf7 13.h4 h6 14.gh6 Rh6 15.d3 fe4 16.Ne4 Bg4 17.Bf7 Kf7 18.Nfg5 Ke8 19.Bc1 (19.Kd2 Bf5=) 19...Rh8 20.f3 (20.c3 d5 21.Ng3 a6+=) 20...Bd7 (20...Nd4 21.Kf2 Rf8–/+ (worse is 21...Nc2 22.Ra2 Nb4 23.ab4+/–)) 21.c3+= d5 22.Nf2 d4 23.c4 Bf5 24.Nfe4 Kd7 25.Ke2 Raf8 26.Bd2 b6 27.Rh2 a5 28.b5 Na7 29.a4 c6 30.Rah1 cb5 31.cb5 Be6 32.Ne6 Ke6 33.h5 gh5 34.Rh5 Rh5 35.Rh5 Nc8 36.Bg5 Bg5 37.Rg5 Kd5?? (37...Ne7 38.Rh5 Nd5 39.Rh6 Ke7 40.Kf2=) 38.Rg7?? (better is 38.Rg6+–) 38...Nd6?? (better is 38...Ke6=) 39.Rd7+– Ke6 (39...Rf6 40.Nf6 Ke6 41.Rd6 Kd6 42.Ne4 Ke6 43.Nd2+–) 40.Rd6 (40.Rd6 Ke7 41.Rb6+–) 1–0. Kosinski,Bartosz – Kochanska,Magdalena, XXVIII Memorial Mistrza Blaszczaka POL, 1999.

5.Nf3 Bg4 6.Bc4 a6 7.h3 Bd7 8.Nc3 g6 9.0–0 Nge7 10.Re1 Bg7 11.Bb3 Qc8 12.d4+/– Nd8 13.Qd2 Be6 14.de5 de5 15.Nd5 c6? 16.Nb6+– Qb8 17.Qe3 0–0?? 18.Rad1 Bb3 19.Qb3 Kh8 20.Rd7 Ng8 21.Na8 Qa8 22.Red1 Nh6 23.Re7 Rf7 24.Re8 (24.Re8 Rf8 25.Rdd8 Qd8 26.Rd8 Rd8 27.Qe6+–) 1–0. pierre – gogius, internet, 2008.

4.b5 Nb4

5.a3 b6 6.ab4 Bb7 7.Be5! fe5 8.Qh5 g6 9.Qe5 Qe7 10.Qe7 Be7+/– 11.Bd3 0–0–0 12.Ne2 Bf6? 13.Nbc3 Bc3 14.Nc3 Nf6 15.0–0 h5 16.Ra7 c6 17.bc6 Bc6 18.b5 Bb7 19.e5 Ng4 20.f4 Nh2 21.Kh2 Rdg8 22.Be4 Be4 23.Ne4 Re8 24.Rfa1 Ref8 25.Ra8 Kb7 26.R1a7# 1–0. Trkn – ellieo, itsyourturn.com, 2000.

5.a3 Bc5 6.ab4 Bb4 7.Bc4 Nh6 8.Qh5 Ke7 9.Ne2 d6 10.c3 Bc5 11.d4 ed4 12.cd4 Bb4 13.Nbc3 Bg4 14.Qh4 Qd7 15.0–0 a5 16.Nd5 Kd8 17.Nb4 Ke7 18.Nd5 Kd8 19.Nef4 c6 20.Nb6 Qc7 21.Na8 Qc8 22.Ra5 b6 23.Ra7 Qb8 24.Rg7 Qa8 25.Qf6 Kc8 26.Qd6 Re8 27.Qc7# 1–0. michaelbuss – boscobb, ChessWorld.net, 2009.

4.b5 Nd4

5.Bc4 c6 6.a4 cb5 7.ab5 a6 8.Bg8 Rg8 9.Qh5?? g6–/+ 10.Qh7?? Rg7–+ 11.Qh3 Nc2 12.Kf1 Na1 13.Ba1 ab5 14.Bc3 d6 15.Qd3 Be6 16.g3 Qb6 17.Kg2 f5 18.Nf3 fe4 19.Qe4 Qc6 20.Qc6 bc6 21.Ng5 Ke7 22.f4 c5 23.fe5 b4 24.ed6 Kd6 25.Bg7? Bg7 26.d3? Bd5 27.Nf3 Ra2 28.Kh3 Bf3 29.Rf1 Bd5 30.Re1 Be6 31.Kh4 Rh2 32.Kg5–+ Bc3 33.Rf1 Kd5 34.Kg6 Kd4 35.Kf6 Bd5 36.Rf4 Kd3 37.Kf5 Rh5 38.Kg4 Rh1 39.Nc3 bc3 40.Kf5 c2 41.g4 c1Q 42.g5 Rh5 43.Kg4 Rh8 44.Rf3 Bf3 45.Kf3 Qd1 46.Kf4 Rf8 47.Kg3 Qf3 48.Kh4 Rh8# (48...Rf4#) 0–1. kador – ronnieg, fics, 2000.

5.Bc4 c6 6.f4 Nb5 7.fe5 fe5?? 8.Qh5+– g6 9.Qe5 Qe7 10.Qe7 Be7 11.Bh8 Bf6 12.Bf6 Nf6 13.Bb5 cb5 14.Nc3 b4 15.Nb5 Kd8 16.Nd6 Kc7 17.e5 Nd5 18.0–0–0 a5 19.Rf1 a4 20.Rf7 b6 21.Rh7 Ba6 22.Rf7 b3 23.cb3 ab3 24.ab3 Bd3 25.Kb2 Nb4 26.Nf3 Ra2 27.Kc3 Rc2 28.Kb4 b5 29.Nd4 Rd2 30.Kc5 Rg2 31.Rf8 Rg5 32.Rc8 1–0. Bonetti,Shane – Ezhini, ICC, 2002.

5.Bc4 Nh6 6.Nf3 Bc5 7.Nd4+/– ed4?? 8.Qh5+– (8.Qh5 g6 9.Qc5+– (< 9.Qh6 Qe7+–)) 1–0. Wall,Bill – Allax, internet, 2004.

5.Bd4 ed4 6.Bc4 c5 7.Qh5 g6 8.Qh4 b6 9.Bd5 Rb8 10.Ne2 Bb7 11.Bg8 Rg8 12.Qh7 Rg7 13.Qh3 Be4 14.d3 Bf5 15.Qg3 d5 16.Nd2 Bd6 17.Qf3 Be5 18.0–0–0 Qd7 19.a4?? Rd8 20.h3–/+ a6! 21.g4 Be6 22.Nf4 Bf4 23.Qf4 ab5 24.Rde1 ba4 25.Re2?? a3?? 26.Nb3?? Kf7–+ 27.Rhe1 Re8 28.h4 Rgg8 29.Kd2? Bg4 30.Re8 Re8 31.Re8 Ke8 32.Qf6 Bf5 33.Qb6–/+ Qe7 34.Nc5 Qh4 35.Qb8 Kf7 36.Qc7 Kg8 37.Qb8 Kh7 38.Qg3 Qh6 (38...Qh6 39.f4 a2–+) 0–1. bratek55 – 1svetik, internet, 2011.

5.Bd4 ed4 6.Bc4 Ne7 7.Qh5 g6 8.Qh4 Bg7 9.Ne2 d5 10.ed5 Nd5 11.0–0 c5? 12.bc6!+/– bc6 13.Nd4 Bd7? 14.Re1+– Kf8 15.Bd5 cd5 16.Nc3 f5 17.Qd8 Rd8+/– 18.Ne6 Be6 19.Re6 Bc3 20.dc3 Kf7 21.Ra6 Rd7 22.Rd1 Rc8 23.Rd3 d4 24.Rd4 Rd4 25.cd4+– Rc2 26.Ra7 Ke6 27.g3 h5 28.h4 Kd5 29.Ra4 Rd2 30.Kg2 Ke4 31.d5! Kd5 32.Ra6 Ke4 33.Rg6 Ra2 34.Rg5 f4 35.Rh5?? f3+= 36.Kg1 Ra1 37.Kh2 Rf1 38.Rh8 Rf2 39.Kh3 Re2 40.Re8 Kf5?? 41.Rf8+– Ke4 42.h5 Kd3?? 43.h6 f2? 44.h7 Re1 45.Rf2 Re8 46.Rf7 Rh8 47.g4 Ke4 48.Kh4 Ke5 49.Kh5 Ke6 50.Ra7 Kf6 51.g5 Kf5 52.Kh6 Kg4 53.g6 Kf5 54.g7 Rd8 55.g8Q Rd6 56.Kh5 Rh6 57.Kh6 Kf4 58.h8Q Ke4 59.Qe8 (59.Qe8 Kd5 60.Qhe5 Kc4 61.Q8b5; 59.Re7 Kd3 60.Qb3 Kd2 61.Qhc3) 1–0. bratek55 (1630) – fatamorgazam, internet, 2011.

5.Nf3 Ne2?? (better is 5...Nf3 6.Qf3 Bc5+=) 6.Be2 (worse is 6.Ke2 d5 7.ed5 e4+–) 1–0. Fournier,Frederic (1730) – caliz(C), Active, 2006.

4.b5 Nce7

5.Nc3!? +/–.

5.Nf3 Ng6 6.Bc4 c6 7.0–0 d5= 8.ed5 cd5 9.Bb3 Bg4 10.Re1 N8e7 11.h3 Bc8 12.d4 e4 13.Nfd2 f5 14.a4 Be6 15.c4 Nf4=+ 16.Re3 g6 17.a5 Bh6 18.a6+= b6 19.cd5 Nfd5 20.Re1= Bf7 21.Nc4 0–0 22.Ne5 Be6 23.Ba3 Rf6 24.Qc2 e3 25.Be7+/– ef2 26.Qf2+– Qe7 27.Bd5 Bd5 28.Ng6 Qb4?? 29.Ne7+– Kh8 30.Nd5 Qf8 31.Nf6 Qf6 32.Ra3 Bg5 33.d5 Rg8 34.Rd1 Bh4 35.Qc2 Qg6 36.Rf3 Be7 37.Rf5 Bc5 38.Kh1 Bd6 39.Qb2 Rg7 40.Qf2 Rd7 41.Nc3 Re7 42.Rf6 Re2 43.Ne2 Be5 44.Rg6 Bg7 45.Rg3 h5 46.Qf7 h4 47.Qg7# 1–0. Machete99 (1875) – enko (1810), ICC, 2002.

5.f4 ef4+= 6.Bc4 (6.Nc3 Ng6+=) 6...Nh6 (better is 6...c6=) 7.Nh3?? (7.Qh5 Ng6 8.Ne2 Qe7+=) 7...Ng6?? (better is 7...d5 8.ed5 Bg4–/+) 8.0–0= Qe7 (8...d5 9.Bd5 c6 10.bc6 Qb6 11.Nf2 bc6 12.Bb3=) 9.Bb3+= Qc5? (9...d5 10.Nf4 (worse is 10.Bd5 Bh3 11.gh3 Qc5 12.d4 Qb5–/+) 10...de4 11.Nd5 Qc5 12.Kh1+/–) 10.Kh1 (10.d4 Qb5 11.Nc3 Qa6+–) 10...Qb5 (10...d6 11.Nf4 Bg4+/–) 11.Nf4 (better is 11.Nc3!? Qa5 12.Nf4 Nf4 13.Rf4+/–) 11...Nf4= 12.Rf4 Qg5 13.Qf1 (13.Rf3 Ng4 14.h3 h5+=) 13...Be7 (better is 13...Bd6!? 14.e5 fe5–/+) 14.Nc3 (14.Na3 c6+=) 14...c6 (14...Bd6 15.e5 Be5 16.Re4=) 15.d4 d6 16.d5 (16.Rf3!? Qh4 17.Kg1=) 16...Ng4+= 17.Re1 Qh6 18.h3 g5 19.Rf3 Ne5 20.dc6 (20.Rg3 Rf8+=) 20...bc6 (20...Nf3 21.cb7 Bb7 22.Qb5 Kf8 23.Qb7+–) 21.Rfe3 g4 22.Ne2?? (better is 22.Kg1+=) 22...Qe3–+ 23.Nd4 (23.Nf4 Qg3 24.Nh5 Qh4 25.Ng7 Kf8 26.Ne6 Be6 27.Be6 gh3 28.gh3 Rb8–+) 23...Qh6 (23...Qg3!? 24.hg4 h5 25.g5 fg5 26.Re2–+) 24.Nf5 Bf5 25.ef5 (25.Qf5 gh3 26.gh3 Qg6–+) 25...gh3 26.gh3 Rd8 (better is 26...Kd7 27.Be6 Kc7 28.c4–+) 27.Be5 (27.Bd4 Qh4 28.c3 c5–+) 27...fe5 (27...de5!? 28.Qf3 Kf8 29.Qg4–+) 28.Qc4 d5 (28...d5 29.Qf1 e4–+) 0–1. Feofanov,Alexander – Breit,Nikolai, Half_Omsk_CCC_, 2009.

3.e4 d6

4.a3 f5 5.ef5 Bf5 6.Qf3 Qc8 7.Bd3 Bg4 8.Qe3 Nf6 =.

4.Bb5 c6 5.Be2 d5 =+.

4.Bb5 Bd7 5.Bd7 Nd7 6.Nh3 Qe7 7.0–0 0–0–0 8.Nc3 Qe6 9.a4 Ne7 10.a5 a6 11.b5 Nc5 12.ba6 Na6 13.Rb1 Ng6 14.Qe2 Nf4 15.Nf4 Qd7?? 16.Nfd5 g5 17.Nf6 Qe6 18.Ncd5 c6 19.Nb6 Kc7 20.Nh5 Bh6 21.d4 (21.d4 ed4 22.Bd4+–) 1–0. Austin – aliwood, internet, 2005.

4.Nc3 f5 5.ef5 Bf5 6.Qf3 Qc8 7.Bd3 Bg4 8.Qe3 Nc6 =.

4.c4 Be6 5.Nc3 Ne7 6.Be2 g6 7.d4 Bg7 8.d5+= Bf7 9.h4 h6 10.h5+= g5 11.Bg4 0–0 12.Nge2 Be8 13.Be6 Kh8 14.g4 Bd7 15.Bf5 Bf5 16.ef5 Nc8 17.c5 Na6 18.Ba3 c6 19.dc6+= bc6 20.Qa4 Nb8 21.cd6 Qd6 22.b5 c5 23.Rd1 Qc7 24.Qe4 Nb6+= 25.Nd5 Nd5= 26.Qd5 Qa5 27.Kf1 Na6 28.Qb3 Nb4 29.Nc3 1–0. Kulbachny,Vladimir (1975) – Davydiants,Eduard (2055), Moscow Region–ch op, 2004.

4.Bc4 Nh6 5.Nc3 Bg4 6.Nge2+= g5 7.f3 Bd7 8.0–0 Nc6 9.Nd5 Be6 10.f4 ef4?? 11.Bf6+– Be7 12.Bh8 Bd5 13.Bd5 Nb4 14.Nf4! Nd5 15.Ne6 Qd7 16.Qh5 Nf7 17.Qf7# 1–0. marre – mamxiq, internet, 2010.

4.d4 ed4 5.Bd4 Ne7 6.Qh5 g6 7.Qf3 Bg7 8.Bf6 Rf8 =.

4.Bc4 c6

5.Qh5 g6 6.Qh4 d5 7.ed5 cd5 8.Bb5 Nc6 9.a3 Be6 10.Ne2 Bd6 11.Nbc3 Kf7 12.0–0–0 Nge7 13.g4 a5 14.ba5 Ra5 15.Bc6 bc6 16.Rdf1 h5 17.gh5 Rh5 18.Qg3 Ba3 19.Nd1 Bb2 20.Nb2 Ra1 0–1. bratek55 (1720) – cienkagumka (1625), internet, 2011.

5.Qh5 g6 6.Qh4 Qe7 7.Nc3 Be6 8.Bb3 Nd7 9.Nge2 Bb3 10.ab3 Bg7 11.d4 f5 12.Qe7 Ne7 13.d5 cd5 14.Nd5 Nd5 15.ed5 0–0 16.c4 e4 17.Bg7 Kg7 18.Nd4 Kf6 19.Ne6 Rfe8? 20.f4?? ef3=+ 21.gf3 Nf8 22.Kd2 Ne6 23.de6 Re6 24.Kd3 a6 25.c5 dc5 26.bc5 Rd8 27.Kc3 Re3 28.Kb4 Rf3 29.Rad1 Rdd3 30.Rd3 Rd3 31.h4 f4 32.Rf1 Kf5 33.Kc4 Rh3 34.Rd1 Rh4 35.Rd7 f3 36.Kd3 Rb4 37.Kc3 Rb5 38.Rf7 Kg4 39.b4 a5 40.ba5 Rc5 41.Kb4 Rf5 42.Rh7 f2 43.Rh1 f1Q 44.Rf1 Rf1 45.Kb5 Rb1 (45...Rb1 46.Kc4 Rc1 47.Kb5 Rc6–+) 0–1. bratek55 (1650) – mjeshtri51 (1670), internet, 2011.

4.Bc4 Nc6

5.a3 f5 =.

5.b5 Na5 6.Bg8 Rg8 7.Bc3 Nc4 8.d3 Nb6 =.

5.b5 Nb4 6.a3 d5 7.Bb3 (7.ab4?! dc4 8.Qe2 Be6=+ 9.Bc3 Ne7=). Wall,Bill – Scandic, internet, 2001.

5.Nc3 Nb4=+ 6.a3 Nc6 7.Nf3 Nge7 8.0–0 Bg4 9.h3 Bd7 10.Qe2 g6 11.Rab1 Qc8 12.d4 Bg7 13.Nd5 Nd8 14.Ne7 Ke7 15.de5 de5 16.Rfd1 Be6 17.Bc3 Nc6 18.Be6 Qe6 19.Rb7+/– Rhc8 20.Bb4 Nb4 21.ab4 Kf8 22.Qb5 a6 23.Qc5 Qe7 24.Qc6 Qe8 25.Rd7 Kg8 26.Rbc7 Rc7 27.Qc7 Qf8 28.Qb7 h5?? 29.Rg7! Qg7 30.Qa8 (30.Qa8 Kf7 31.Qb7 Kg8 32.Qa6+–) 1–0. pierre – Y_dSinNi, internet, 2008.

5.Nc3 Nge7 6.a3+/– Ng6 7.Nd5 Be6 8.Ne2 Bd5 9.ed5 Nce7 10.0–0 Nf5 11.Nc3 a6 12.Qh5 Qd7 13.Bd3 0–0–0?? 14.Bf5 1–0. pereira – twipg, internet, 2009.

5.Ne2 Nb4=+ 6.d4 Bg4 7.0–0 c5 8.c3 Nc6 9.Na3 Qd7?? 10.f3?? Bh5?? 11.d5 Na5?? 12.Bb5+– Nc6 13.Qa4 a6?? 14.dc6 bc6 15.Bc6 Qc6 16.Qc6 Kf7 17.Qd5 Kg6 18.Qa8 Be7 19.Ng3 h6 20.Qe8 Kh7 21.Nh5 g6 22.Qf7# 1–0. Buettner,Fritz – Krahl,Wolfgang, E–7–051 CiF, 2002.

4.Bc4 Qe7

5.Nc3 c6 6.a3 Be6 7.Be6+= Qe6 8.d4 ed4= 9.Qd4 c5 10.Qd5+/– Qd7 11.bc5 dc5 12.Rd1 Qd5 13.Nd5 Na6 14.Ne2 0–0–0 15.0–0 Bd6+= 16.Nef4 Ne7 17.Ne6+– Nd5 18.Nd8 Rd8 19.Rd5 Nc7 20.Rd3 Ne6 21.Rfd1 Kc7 22.c4 b6 23.g3 Be7 24.Rd8 Bd8 25.f4 Be7 26.Kf2 h6 27.e5 f5 28.a4 a5 29.Ke3 Kc6 30.g4 g6 31.gf5 gf5 32.Rg1 Nf8?! 33.Rg8 Ne6 34.Rg6 1–0. Kuhlmann,Antonius Egidius J – Krolik, corr ICCF TT–4–90, 1993.

5.Nc3 c6 6.b5 Nd7 +=.

5.Nc3 c6 6.Qh5 g6= 7.Qh4 Be6 8.Bb3 Nd7 9.Nge2 h5 10.d4 g5 11.Qg3 Bh6 12.Be6+/– Qe6 13.d5 Qf7 14.Qd3 Bf8 15.h4 ½–½. Nemeth,Laszlo1 (1975) – Szabo,Ervin (2145), HUN–chT2 Erkel, 2007.

5.Nc3 Be6 6.Be6 Qe6 7.Nd5 Qd7 8.Qh5 Kd8 9.Ne2 Ne7 10.0–0 Nd5+= 11.ed5 c6 12.c4 cd5 13.cd5 Na6 14.a3 Rc8 15.d4 g6 16.Qh4 Bg7 17.de5 de5 18.Rac1 Rc1 19.Rc1 Qd5 20.Nc3 Qe6 21.Ne4 Ke7 22.b5+– Nb8? 23.Rc7 Nd7 24.Nc5 Rd8 25.Ne6 1–0. Trkn – guest4209, ICC, 2004.

5.Nf3 Nc6 6.b5 Na5 7.Be2 Bd7 8.c4 0–0–0 9.Bc3+/– b6 10.Qa4 Nb7?? 11.Qa7+– (11.Qa7 c5 12.Qb6+–) 1–0. Bonetti,Shane – guest827, ICC, 2002.

5.Nf3 Be6 6.Qe2 Nh6 7.0–0 Qf7 8.Be6+– Qe6 9.d4 Nd7+/– 10.c4 Be7 11.Nc3 0–0 12.Bc1 f5 13.Nd5 Bd8 14.Bh6 Qh6 15.de5 de5 16.ef5+/– Rf5 17.Qe4 Qe6? 18.Nd4!+– (18.Nd4 Rf4 19.Nf4+– (19.Ne6?! Re4 20.Rad1 Nf8 21.Nd8 Rd8+–)) 1–0. Valles Calvo,Llucia – Selfa Diaz,Quico, Valencia Provincial Center, 2004.

4.Bc4 Ne7

5.a3 a5 6.Nc3 b6 (6...c6!? 7.Nf3 d5+=) 7.Nf3 f5? (7...c6 8.0–0+–) 8.ef5 (better is 8.Ng5 ab4 9.Bf7 Kd7+–) 8...Nf5 (8...Bf5 9.0–0+–) 9.b5 c6 (9...Nd7 10.0–0 Bb7 11.Re1+–) 10.a4 (better is 10.0–0 Be7 11.Re1+–) 10...Bd7? (better is 10...d5 11.Bb3 Nd4 12.Ne5 Qg5 13.Nc6 Nbc6 14.bc6 Bg4+–) 11.0–0 Qe7 (11...Be7 12.Re1 Qc8 13.d4+–) 12.Re1 (better is 12.d4!? Be6 13.Be6 Qe6 14.bc6 Be7+–) 12...Be6 13.Be6 Qe6 14.d4 Be7 15.de5 (15.bc6 0–0+–) 15...0–0 16.Ne4 (16.Qd3 Nh4 17.Nh4 Bh4+–) 16...de5 17.Be5 Nd7? (17...cb5 18.Ng3 Qd7 19.Bb8 Qd1 20.Rad1 Ng3 21.Bg3 Bb4+–) 18.Ng3 Ne5 (18...Qd5 19.bc6 Qd1 20.Rad1+– (20.Red1?! Ne5 21.Ne5 Ng3 22.hg3 Rac8+/–)) 19.Re5 (19.Ne5 Ng3 20.hg3 Bb4 21.bc6 Rad8=) 19...Qg6 (19...Qf7 20.Rf5 Bf6 21.Qf1+–) 20.Nf5 Rf5 21.Re7 Re8 22.Re8 Qe8 23.bc6 Qc6 24.Qd3 Qf6 25.Rd1 Rc5 26.Qb3 Kh8 27.h3 Rc8 28.c4 h6 29.Rd5 Qa1 30.Kh2 Qf6 31.Qd3 Rf8 32.Qe3 Qf4 33.Qf4 Rf4 34.Rd4 Rf6 35.Rd5 Rf4 36.Rd8 Kh7 37.Rc8 Re4 38.Rc6 Re2 39.Rb6 Rf2 40.c5 Rc2 41.c6 Rc4 42.Ne5 Ra4 43.c7 (43.c7 Ra1 44.c8Q Rf1 45.Rb8 Rh1 46.Kh1 a4 47.Qg8#) 1–0. Rush,Bradley – Filler,Karl_Heinz, OP–2012–0–02297, 2012.

5.Nc3 c6 6.d3 d5=+ 7.Bb3 Be6 8.a3 Ng6 9.Nge2 Be7 10.d4+= ed4 11.Nd4+/– Bf7 12.ed5 cd5 13.Nf5 Nf4 14.Ng7 Kf8 15.Qf3 Kg7 16.Qf4 Re8 17.0–0–0 Bd6 18.Qg4 Bg6 19.Bd5 Nd7 20.Bb7 Ne5 21.Qd4 Rb8 22.Nb5 Re6 23.Qa7 Nc4 24.Bc8 Re7 25.Qb8! (25.Qb8 Re2 26.Qb7 Kh8 27.Nd4 Rf2 28.Qd7+–) 1–0. Bonetti,Shane – Medvegatnik, ICC, 2002.

5.Nc3 c6 6.d3 d5=+ 7.ed5 cd5 8.Bb3 Be6 9.d4 Nbc6 10.de5= Ne5 11.Nf3 N7g6 12.Ne5 Ne5 13.Nd5 Bd5 14.Bd5 Qd5?? 15.Qd5+– (15.Qd5 Bb4 16.c3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Qh5 g6 6.Qf3 Nec6 7.a3 Nd7 8.Ne2 Nb6 =.

5.Qh5 g6 6.Qh4 Nec6 7.f4 g5 8.Qh5+/– Kd7 9.f5 Ne7?? 10.Be6 Kc6+/– 11.a4 Be6 12.fe6 f5? 13.ef5 Nf5 14.Qf3 d5 15.Be5 Ng7 16.Qc3 Kb6 17.Bd4 c5+– 18.Bc5 Kc6 19.Be7 Kb6 20.Qc5 Ka6 21.Qb5# 1–0. Trkn – Raymond, itsyourturn.com, 2000.

5.Qh5 g6 6.Qh4 Bg7 7.Ne2 c6 8.Nbc3 b5 9.Bb3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Na6 13.Na2 d5 14.0–0 0–0 15.f4 Kh8 16.fe5 fe5 17.Rf8 Qf8 18.ed5 cd5 19.Qf2 Qf2 20.Kf2 Nc6 21.c3 Nc7 22.Bb2 Be6 23.Nac1 Bh6 24.d3 Kg7 25.h3 Kf6 26.g4 Bg5 27.Ng3 Bh4 28.Nce2 Kg5 29.Kf3 e4 30.de4+= de4 31.Ne4+– Kh6 32.Be6 Ne6 33.Nd4 Ned4 34.cd4 Nb4 35.Nd6 Nd3 36.Ba1 b4?? 37.Nc4 Bf6 38.Ke4 Nc1 39.Ne5 Kg7 40.d5 b3 41.d6+/– Na2 42.Kd5 Nb4 43.Ke6 Nd3 44.d7 b2=+ 45.Bb2 Nb2 46.Nc6 Nd3 47.d8Q Bd8 48.Nd8 Nf4 49.Ke5 Nh3 50.Ne6 Kf7 51.Nd4 h6 52.Nf3 Ng5 53.Nh4 1–0. bratek55 (1650) – jazda111 (1660), internet, 2011.

3.e4 Qe7

4.a3 c6 5.Bc4 Nh6 6.d3 c5 7.b5 b6?? 8.Bd5+– 1–0. Trkn – chinoroc, itsyourturn.com, 2001.

4.a3 Nc6 5.Bc4 a6 6.Nc3 b5 7.Bg8+/– Rg8 8.Nd5 Qd6 9.Qh5 g6 10.Qh7 Rg7 11.Qh4 Bb7 12.Qf6+– Qf6 13.Nf6 Kd8 14.Nf3 Be7 15.Ne5 Bf6? 16.Nc6 Bc6 17.Bf6 (17.Bf6 Re7 18.d4+–) 1–0. Wall,Bill – Guest9340, internet, 2004.

4.a3 Qe6 5.Nc3 +=.

4.b5 d6 5.Bc4 Be6 6.Qe2 Nd7 7.Nc3 c6 8.bc6 bc6 9.Nf3 Nh6 10.0–0 Qf7 11.Bb3 Bb3 12.ab3 Be7 13.d4 0–0 14.Ra6 Nb6 15.Rfa1 Bd8 16.de5 fe5 17.h3 Nc8? 18.Rc6+– Bb6 19.Nd5 Qd7 20.Rc4 Ne7 21.Nb6 ab6 22.Rd1 Nf7? 23.Kh2 Rfc8? 24.Nh4?? Rc4 25.Qc4 b5 26.Qd3 Qe6 27.c4 bc4+/– 28.Qc4 Qf6 29.Nf3 Qf4 30.Kg1 Kh8 31.Bc1 Qf6 32.Be3 h6 33.Kh2 Ng5? 34.Ng5 hg5 35.Qd3 g4 36.Qd6 Qd6 37.Rd6 gh3 38.Kh3 Kg8 39.Rd7 Kf7 40.b4 Rh8 41.Kg3 Ke6 42.Ra7 Nc6 43.Ra6 Kd7 44.b5 Nd4 45.Bd4 ed4 46.Kf3 Rb8 47.b6 Kc6 48.Ke2 Rd8 49.Kd3 Kb7 50.Ra7 Kb6 51.Rg7 Kc5 52.f4 Rf8 53.f5 Kd6 54.Rg6 Ke5 55.Re6 Kf4 56.Kd4 Kg3 57.f6 Kg2 58.e5 Kf3 59.Kd5 Kf4 60.Kd6 Kf5 61.Ke7 Ra8 62.Rd6 Ra7 63.Rd7 Ra8 64.f7 Ra6 (64...Ra6 65.f8Q Kg5+–). bratek55 – t4t, internet, 2011.

4.a3 d6

5.Bc4 Be6 6.Qe2 Nc6 7.Nc3 Nd4–/+ 8.Qd3 Bc4 9.Qc4 Nc2 10.Kd1 Na1 11.Ba1?? Nh6?? 12.f3?? g6?? 13.Nge2?? Bg7?? 14.g4?? 0–0–0 15.d4 Nf7 16.Nd5 Qd7 17.Kc2 c6 18.Ne3? Kb8 19.Rc1 Rc8 20.Qb3 d5 21.Kb1 ed4 22.Bd4 Ne5 23.f4 Nf3 24.Bb2 Nd2 25.Ka2 Nb3 26.Kb3 de4 27.Rd1 Qf7 28.Kc2 f5 29.g5 Bb2 30.Kb2 Rhd8 31.Rc1 Rd2 32.Rc2 Rc2 33.Kc2 Rd8 34.Nc3 h6! 35.h4 hg5 36.hg5 Qh7 37.Kb3 Qh2 38.Nc4 Qf4 0–1. bratek55 – t4t, internet, 2011.

5.h3 Bd7 6.Nf3 Nc6 7.Bb5 0–0–0 8.0–0 a6 9.Bc6 Bc6= 10.Re1 Qf7 11.Nc3 f5 12.d4 h6 13.d5 Bd7= 14.a4 fe4 15.Re4 Qg6 16.Nh4 Qf6 17.b5 a5 18.Qe2 b6 19.Nd1 Bf5 20.Nf5+= Qf5 21.c4 Nf6 22.Re3 Re8 23.Rf3 Qg5 24.Bc1 Qg6 25.Rg3 Qh7 26.Ne3 h5 27.Qf3 Ne4=+ 28.Qf5 Qf5–/+ 29.Nf5 Ng3 30.Ng3 g6 31.Ne4 Be7 32.Bg5 Bg5 33.Ng5 Ref8 34.Ra3? Rf4–+ 35.Rc3 Rf5 36.h4 Rhf8 37.Rf3?? Rf3–+ 38.Nf3 Rf4 39.Nd2 Rh4 40.f3 Rd4 (40...Rd4 41.Ne4 Rc4–+) 0–1. jearly (2210) – sgrant (2055), net–chess.com, 2008.

3.e4 Ne7

4.a3 Ng6 5.Bc4 d6 6.h4 h5 7.Ne2 f5 8.ef5 Nh4 9.Bd5 Nf5 10.g4 Ne7 11.Nbc3 Nd5–+ 12.Nd5 Bg4 13.Ne3 Bf3 14.Rh3 Bc6 15.Ng3 g6 16.Nh5? gh5 17.Rh5 Qf6 18.Ng4 Qg7 19.Ne3 Rh5 20.Qh5 Qf7 21.Qh4 Nd7 22.0–0–0 Be7 23.Qh8 Nf8 24.Qh3 Bd7 25.Qg2 0–0–0 26.Nd5 Bc6 27.Qg4 Nd7 28.Nc3 Bf3 (29.Qh3 Bd1 30.Nd1 Rg8–+) 0–1. Wessel,Volkmar – Kastenbein,Rainer, Schleswig Holstein–ch, 1988.

4.Nc3 d5 5.ed5 Nd5 6.a3 a5 7.Qh5 g6 8.Qf3 c6 9.b5 Bh6 10.bc6 Nc3 11.Bc3 Nc6 12.Bb5 Qd6 13.Ne2 0–0 14.0–0 Be6 15.Rfb1 Rf7 16.Bc6 Qc6 17.Qc6 bc6 18.Rb6 Bd5 19.a4 Bf8 20.d3 Bc5–/+ 21.Rb2 Rd7 22.Re1 Kf7 23.Bd2 Be6 24.Be3 Bb4 25.Ra1 f5 26.f3 Kf6 27.Kf1 f4 28.Bf2 Rdd8 29.Rab1 Kf5 30.g3 g5 31.g4 Kg6 32.h3 h5 33.Kg2 h4 34.Be1 c5 35.Kf2 Rd7 36.c3 Rd3 37.cb4= cb4 38.Ng1 Rc8 39.Kg2 Bd5 40.Bf2 e4–/+ 41.Bb6 ef3 42.Kf2 b3 43.Ba5=+ Rc4 44.Ra1 Be4 45.Bd2 Rc2 46.Rc2 bc2 47.Bc1 Rb3 48.Ra2 Rb1=+ 49.Ba3 Rd1 50.Nf3 Rh1 51.Rc2?? Bc2–+ 52.Be7 Rh3 0–1. Chezzz (2430) – QuarkX (2505), ICC, 2003.

4.c4 Nec6 5.a3 =.

4.Bc4 a6 5.f4 ef4=+ 6.e5 fe5–/+ 7.Be5 Ng6 8.Qh5 Qh4 9.Qh4=+ Nh4 10.Bf4?? Ng2–+ (11.Kf1 Nf4–+) 0–1. Roczniak,Jan – Ziewiec, Radom, 1983.

4.Bc4 Nbc6 5.a3 d5 6.ed5 Nd5 7.d4 Nd4 8.Bd4+/– ed4 9.Qh5 g6 10.Qd5 Qd5 11.Bd5 Bf5? 12.Bb7+– (12...Rd8 13.Kd1+–) 1–0. mtra – elbe, internet, 2002.

4.d4 ed4 5.Bd4 Nec6 6.Bc5 Bc5 7.bc5 Qe7–/+ 8.Nd2 Qc5 9.Ngf3 0–0 10.Bc4 Kh8 11.0–0 d6 12.Re1 Bg4 13.Bd3 Nd4 14.Nb3 Nb3 15.cb3 Nc6 16.Rc1 Qb4 17.Rc4 Qa3 18.Qb1 Rfc8 19.Ra4 Qc5 20.Rc4 Qh5 21.Be2 Ne5 22.Ne5 fe5 23.Bg4 Qg4 24.Qd1 Qd1 25.Rd1 b6 26.Rdc1 c5=+ 27.R4c3 Rc6 28.Rg3 a5 29.a3 b5 30.h4 Rac8 31.Rcc3 c4–/+ 32.bc4 Rc4 33.Rb3 b4 34.ab4 Rb4 35.Rgf3? Kg8 36.g4? Rcc4 37.Rfd3 Re4 38.f3 Rb3 39.Rb3 Rb4 40.Rd3 Rb6 41.Ra3 Ra6 42.Rd3 Kf7 43.h5 a4 44.Kf2 a3 45.Rd1 a2 46.Ra1 Ke6 47.Ke3 d5 48.f4 ef4 49.Kf4 Ra4 50.Kf3 d4 51.Ke4 Kd6 52.g5 Ke6 53.g6 hg6 54.hg6 Kf6 55.Kd3 Kg6 56.Kc2 Kf5 57.Kb2 Ke4 58.Kc2 d3 59.Kd2 g5 60.Re1 Kd4 61.Ra1 g4 62.Kd1 g3 63.Kd2 g2 64.Kd1 Ke3 65.Ra2 Ra2 (66.Ke1 g1Q#; 65...g1Q#) 0–1. guest1370 – guest433, ICC, 1999.

4.d4 Ng6 5.a3 d6 6.Be2 Be7 7.Bh5 0–0 8.Bg6+= hg6 9.h4 Kf7 10.h5+= Rh8 =. bonaparte (2155) – macedon (2065), net–chess.com, 2008.

4.Nf3 d5 5.ed5 Nd5 6.b5 Bg4 7.h3 Bf3 8.Qf3+= Nb4 9.Bd3 c6 10.Qh5 g6=+ 11.Bg6 hg6 12.Qg6 Kd7–/+ 13.Qf7 Be7–+ 14.bc6 N8c6 15.Na3 Qa5 16.0–0–0 Rac8 17.d4 Nd4 18.Bd4 Nd5 19.Bb2+– Rc5 20.c4 Rf8 21.Rd5 Rd5 22.Qd5 Qd5 23.cd5 1–0. Wall,Bill – Judd,Olen, Dayton, OH, 1980.

4.Nf3 g5 5.Bc4 h5 6.h4 g4= 7.Nh2 Bh6 8.f3 gf3 9.Qf3+= Rf8?? 10.Qh5+– Ng6 11.Qg6 Ke7 12.Qh6 Rh8 13.Qg7 Kd6 14.Ba3 b5 15.Bb5 Rh4 16.Bc4 Re4 17.Be2 Ba6 18.b5 c5 19.ba6 Na6 20.Qg3 Qa5 21.Qd3 Rd4 22.Qe3 Rg8 23.0–0 Qd2 24.Rf6 Ke7 25.Nd2 Kf6 26.Rf1 Ke6 27.Bb2 Rd5 28.Ndf3 e4 29.Qh6 Ke7 30.Nh4 Rd6 31.Qh7 Ke6 32.Bc4 Rd5 33.Bd5 Kd5 34.Qg8 Kc6 35.Rd1 Kb5 36.Qb3 Kc6 37.a4 Kc7 38.Qb5 Kd8 39.Qd7# 1–0. Nautiluschess – goldx, ICS blitz, 2001.

4.Nc3 Ng6

5.a3 a6 6.Nf3 c6 7.Bc4+– d6 8.Bb3 Nd7 9.h3 Nb6 10.0–0 d5 11.Re1 Be6 12.ed5 cd5 13.d4+– e4? 14.Ne4! de4 15.Re4 (15.Be6?! ef3 16.Qf3 Be7 17.Qb7 Kf8+–) 1–0. funky – rio, internet, 2011.

5.a3 d6 6.Bc4 Nd7 7.Nge2 Nb6 8.Ba2 Qe7 9.0–0 Be6 10.f4 Ba2+= 11.Ra2 ef4 12.Nf4 Nf4 13.Rf4 0–0–0 14.a4 Nd7 15.a5 a6 16.b5+– Nb8 17.Nd5 Qd7 18.b6 c6 19.Ra3 cd5 20.Rc3 Nc6 21.ed5 Kb8 22.dc6 bc6 23.Qe2 Kb7 24.Rb3 c5 25.Rd3 d5 26.Qf3 Kc6?? 27.c4 Qe6 28.cd5 Rd5 29.Re4 Qd7 30.Re8 h5 31.Rc8 Qc8 32.Qd5 Kb5 33.Rb3 Ka5 34.Bc3 Ka4 35.Qc4# 1–0. mrkt – drahy, internet, 2011.

5.Nf3 Bb4=+ 6.Bc4 c6 7.0–0 Bc3 8.Bc3 d5–/+ 9.ed5 cd5 10.Bb3 0–0 11.Re1 Be6 12.d3 Qb6 13.Rb1 Qc6 14.Bd2 a6 15.c3 b5 16.h3 Nd7 17.Rc1 Nc5 18.Qc2 Nb3 19.ab3 Rac8 20.Qb2 Qd7 21.Kh2 Qd6 22.b4?? e4 23.Kg1 ef3 24.Be3 fg2 25.Bc5 Rc5 26.bc5 Qd7 27.Kg2 Bh3 28.Kh1 Qg4 29.Rg1 Qf3 30.Kh2 Nh4 31.Rg3 Qf4 32.Kh3 Nf5 33.Rgg1 Qf3 34.Kh2 Nh6?? 35.Rg3–/+ Ng4 36.Kg1= Qf4 37.Re1 Ne5 38.Qe2 Re8 39.Kf1 d4 40.Rg4 dc3?? 41.Rf4+– (41...Re7 42.Re4+–) 1–0. kode (2345) – macedon (2065), net–chess.com, 2008.

4.c4 c6

5.Qb3 d5 6.d4 de4 7.de5 fe5 8.Nd2 =.

5.Qb3 Ng6 6.Nf3 a5 7.a3 ab4=+ 8.ab4 Ra1 9.Ba1 Qb6 10.b5 Bc5 11.Nc3 Bf2–/+ 12.Kd1 d6 13.Na4 Qc7 14.d4 Bg4–+ 15.Be2 Nf4 16.Rf1 Ne2 17.Rf2 Nd4 18.Bd4 ed4 19.h3 Bf3 20.Rf3 c5 21.Rf5 Nd7 22.Nb2 Ne5 23.Nd3 Qa5 24.Nf4 Qa1 25.Ke2 Kf7 26.Nd3 Ra8 27.Ne5 de5 28.Qd1 Ra2 29.Ke1 Qc3 (30.Kf1 Ra1 31.Qa1 Qa1 32.Kf2 d3 33.Ke3 Qd4 34.Kd2 Qb2 35.Kd3 Qd4 36.Kc2 Qe4 37.Kc3 Qg2 38.h4 Qh3 39.Kd2 Qf5 40.h5 Qf4 41.Kc3 Qd4 42.Kc2 Qc4 43.Kd2 f5 44.b6 e4 45.h6 Qb4 46.Kc2 g5 47.Kc1 Qc3 48.Kb1 e3 49.Ka2 e2 50.Kb1 e1Q 51.Ka2 Qea1#) 0–1. Melka,Werner – Kirstein,Hans Ernst, Landesliga Ost MVP, 1996.

5.Nc3 d5 6.d4 Be6 7.c5 Nd7 8.Nf3 de4 9.Ne4+= Ng6 10.Bd3 Qc7 11.0–0 Rd8 12.Qc2 Be7 13.Bc4 Bd5+= 14.Rfe1 f5? 15.Bd5+– cd5 16.Neg5 Qc6 17.de5 0–0 18.Nd4 Qc8 19.Nge6 Nge5 20.Nd8 Bd8 21.Qb3 Nc4 22.Nf3 Nb2 23.Qb2 Bf6 24.Nd4 Ne5 25.Qc3?? f4?? 26.Qd2 Qg4 27.f3 Nc4 28.fg4 Nd2+= 29.Ne6 Ba1 30.Ra1 Rf6 31.Rd1 Nc4 32.Re1 Ne3 33.Nc7? Rf7 34.Nb5 a6=+ 35.Nd6 Rd7 36.h3 Kf8 37.Kf2 g5= 38.g3 Nc4 39.Nc4 dc4 40.gf4+/– gf4 41.Kf3 Rd4+= 42.Rc1 Kf7 43.a4 Ke6 44.b5 ab5 45.ab5 Kd5 46.c6 bc6 47.b6 Kd6 48.b7 Kc7=+ 49.Rb1 Kb8 50.Rb6 c5 51.Rc6 Kb7 52.Rc5 Kb6 53.Re5? c3–+ 54.Re2 Kb5 55.g5 Kb4 56.h4 Kb3 57.h5 c2 58.Rc2 Kc2 59.g6 h6 60.g7 Rd8 61.Kf4 Rg8 0–1. Kucharkowski,Jens – Bienert, Freital, 1981.

5.d4 Ng6 6.a3 d6 +=.

5.Qh5 Ng6 6.Nf3 Bb4=+ 7.Nh4 Kf7 8.Be2 d6 9.0–0 Be6 10.d4 Kg8 11.g3 Qb6 12.d5 Bh3 13.Bg4=+ Bg4 14.Qg4 Na6 15.Nf5 Nc7 16.h4 Ne8?? 17.h5+– 1–0. Mroz,Antoni – Kosik,J, corr Poland, 1985.

4.c4 Ng6

5.a3 a5 6.Qa4 b6 7.Nc3 Na6 8.b5 Nc5 9.Qc2 Be7 10.Nf3 Bb7 =.

5.a3 a5 6.Qb3 c6 7.h4 ab4 8.ab4 Ra1 9.Ba1 Qb6 10.h5 Nf4 =.

5.a3 a5 6.b5 Bc5 7.Nc3 c6 8.Na4= d6 9.Nf3 Bg4 10.h3 Bf3 11.Qf3 Qc7 12.Qh5 (12.Be2 Nf4+=) ½–½. Brenner,Sabine – Yanik,Emine, GER–ch U20 qual2 Girls, 1995.

5.a3 d6 6.d4 Be6 7.d5 Bf7 8.Nc3 Be7 9.h4 c6 10.Be2 Qc7 11.g3 Nd7 12.Nf3 a6 13.a4 h6 14.h5 Ngf8 15.Nh4 Qb6 16.Qb3 Rg8 17.a5+/– Qc7 18.Nf5 Nh7 19.f4 Bf8 20.Nh4 Be7 21.Bc1 Nhf8 22.Be3 Rc8 23.Rc1 Qd8 24.Kd2 Qc7 25.Na4 Rb8 26.Qc3 Rc8 27.Bg4 Rb8 28.b5 cb5 29.cb5+/– Qc3 30.Nc3 Nc5 31.Bc5+– dc5 32.b6 Nd7 33.Nf5 Bf8 34.Ne3 g6 35.Bd7+– Kd7 36.fe5 fe5 37.Rcf1 Ke7 38.d6 Ke6? 39.Ncd5 Be8 40.Rf6 Kd7 41.Nc4 Bg7 42.Ne5 Kd8 43.Nf7 Kd7 44.hg6 Rf8 45.Rf5 Bf7 46.gf7 Kd6 47.Kd3 Rbd8 48.Kc4 Rd7 49.Rhf1 Be5 50.g4 Ke6 51.Rh1 Bg7 52.Nf4 Kd6 53.Rd1 (53...Ke7 54.Ng6 Kd8 55.Rd7 Kd7 56.Nf8 Bf8 57.Kd5+–) 1–0. Lang,Alexander – Soyez,Hans, Baden–ch AT Waldshut, 1991.

5.a3 Be7 6.Nf3 0–0 7.d4 ed4 8.Nd4 c6 9.Nc3 d5 10.ed5 cd5 11.Rc1 dc4 12.Bc4+/– Kh8 13.0–0 Ne5 14.Bb3 Bg4 15.f3+/– Bh5? 16.Ne6 Qd1 17.Rfd1 Rc8? 18.Nd5 Rc1 19.Rc1 Nbc6 20.b5 Ba3?? 21.Ba3+– Na5 22.Ba2 h6 23.Rc7 b6 24.Ng7 Rd8 25.Nh5 Nd3 26.Ndf6 (26...Rd7 27.Rc8 Rd8 28.Rd8#) 1–0. inspector (2330) – macedon (2065), net–chess.com, 2008.

4.Bc4 c6

5.a3 d5= 6.ed5 cd5 7.Bb3 Be6 8.Ne2 Na6 9.0–0 Ng6 10.Ng3 Be7 11.d4 0–0 12.de5 fe5 13.Nd2 Nc7 14.Qe2 Bd6 15.Nf3 Nf4 16.Qe1 e4 17.Nd4 Qg5 18.Ne6 Nce6 19.c4 Nd3–/+ 20.Bc1?? Bf4 21.Bf4= Nef4 22.Qe3 h5 23.cd5 h4 24.Qe4? hg3?? 25.hg3?? Rae8–+ 26.gf4? Nf4 27.d6 Kh8 28.Qb7 Ne2 29.Kh2 Qh4# 0–1. Szumilo,B – Sosnowska, Cieplice, 1977.

5.Nc3 d5 6.ed5 cd5 7.Bb3 Be6 8.Nge2 Ng6 9.a3 a6 10.d4 e4 11.Qd2 (11.Ne4!? a5 12.Nc5 Bc5 13.dc5 ab4 14.Nd4+–) 11...Bf7 12.h4 Bd6 (better is 12...Nc6!?=) 13.Bd5+/– Bd5 14.Nd5 0–0 15.c4 Nc6 16.c5 Bb8 17.Nb6 Ra7 18.a4 Nge7 (better is 18...f5!? 19.h5 Nh4+/–) 19.d5+– Ne5 20.Nf4 Nd3 21.Nd3 ed3 22.Qd3 Bc7 23.Nc4?? (23.d6 Bb6 24.cb6 Ra8 25.Qb3 Kh8 26.de7 Qe7 27.Kf1 Qd6+–) 23...Nd5? (better is 23...Qd5 24.Qd5 Nd5+/–) 24.0–0–0 Ne7 25.Qb3 Qe8 (25...Qb8 26.Rd7 Rf7+–) 26.Nd6 (26.Nd6 Qf7 27.Nf7 Rf7 28.Rd7+–) 1–0. Larios Villa (1945) – Fernandez Del Pozo (1755), Mondragon Arrasate Hiria op 8th, 2009.

5.Ne2 d5= 6.ed5 cd5 7.Bb3 Be6 8.0–0 Nd7 9.a3 Nf5 10.f4 Qb6= 11.Kh1 0–0–0 12.fe5 Ne5 13.Nf4 Nc4 14.Bc4 dc4= 15.Ne6 Qe6 16.Nc3 Nd4 17.Re1 Qf5 18.d3 Qf4 19.Re4 Qf2 20.Ne2 Ne2 21.Re2 Qh4 22.Re4 Qe4= 23.de4 Rd1 24.Rd1 Be7 25.Bc3 Rd8 26.Re1 Bd6=+ 27.g3 Re8 28.Kg2 Kc7 29.Kf3 Be5 30.Be5 Re5 31.Rd1 ½–½. Nagel,Jan – De Gaay Fortman,Bas, Wijk aan Zee Parl c, 1980.

5.Qh5+= g6 6.Qh4 Bg7= 7.f4 d6 8.Nf3= Nd7 9.d4 d5 10.de5 fe5 11.Ng5? Qb6 12.Ne6 Bf6–+ 13.Qh6?! dc4 14.Rf1 Nf8 15.fe5 Bh4! 16.Qh4 Qe3 17.Kd1 Be6 18.Rf2 Rd8 19.Rd2 Rd2 20.Nd2 c3 (21.Bc3 Qc3–+) 0–1. Ulenaers,M – Grevendonk,R, Zomertornooi 9–7–93, 1993.

5.Qh5 Ng6 6.f4 ef4 7.Ne2 Qe7 8.0–0 Kd8 9.d4 b5 10.Bd3= Qe8 11.a4+= Bb4 12.ab5 Ne7 13.Qf3 g5 14.Ra4+– Bd6 15.b6! a6 16.Nd2 h5?? 17.Nc4+– g4 18.Qf2 f3 19.Nd6 Qg6 20.b7 Bb7 21.Nf4 Qg7 22.Nb7 Kc7 23.Nc5 Qh7 24.d5 (24...Qf7 25.Bc4+–) 1–0. Moehring,Norbert (2115) – Mueller,Wolfgang1 (1890), Bad Woerishofen op, 2007.

4.Bc4 d5

5.ed5 Nd5 6.a3 b6 7.Ne2 a5 8.b5 Bb7 9.0–0 c5 10.Nbc3 Nc3 11.Nc3 Qd4 12.Qh5 g6 13.Qe2 Nd7 14.Nd1 Qf4 15.Ne3 Rd8 16.Bd5 Bd5 17.Nd5 Qf5 18.c4 Bd6 19.f4 Qh5? (19...Qe6 20.fe5 fe5 21.d4 cd4 22.Bd4+/–) 20.g4?? (20.Qh5 gh5 21.Nf6 Nf6 22.fe5+– (worse is 22.Be5 Be5 23.Rae1 Rd2–/+)) 20...Qh4+/– 21.fe5 Ne5?? (better is 21...fe5 22.d4 cd4 23.Bd4 h5 24.Nb6 hg4+/–) 22.Nf6+– (22.Nf6 Kf7 23.Be5+–) 1–0. Jensen,Helmut (1890) – Clasen,Friedrich (1745), Schleswig Holstein–ch Seniors, 2009.

5.ed5 Nd5 6.a3 Be6 7.Nf3 Be7 8.Bb3 Nd7 9.0–0= 0–0 10.c4 Nf4 11.d4 ed4 12.Nd4+/– Bf7 13.Qf3 Ng6 14.Qb7 Nde5 15.Rd1 Qc8 16.Qc8 Rac8 17.Nd2 Rfd8 18.Nf5 Bf8 19.c5 Bb3 20.Nb3 Nd3 21.Bc3 Ngf4 22.Rd2+– Rd5 23.Ne3 Rd7 24.Rad1 Rcd8 25.Kf1 Kf7 26.g3 Ng6? 27.f4 (27...a6 28.Bd4 Ngf4 29.gf4 (29.Rd3?! Nd3 30.Rd3 g6+–) 29...Nf4 30.Bf6 Rd2 31.Bd8 (31.Rd2?! Rd2 32.Nd2 Kf6+=) 31...Rd1 32.Nd1+–; 27.Nd4 Nc5 28.Nc6 Rd2 29.Nd8 Rd8 30.Rd8 Be7+–) 1–0. Sternik,Ryszard – Golon,Tomasz, Olsztyn, 1990.

5.ed5 Nd5 6.b5 Be6 7.Qf3 Bf7 8.Nh3 c6 9.Nc3 Bc5 10.Na4 Be7 11.Nc3 0–0 12.0–0 Nc3=+ 13.Qc3 cb5 14.Bb5 Nd7 15.d4 ed4 16.Qd4 Nb6 17.Rfe1 Qd4 18.Bd4= Bd6 19.Rad1 Rfd8 20.Bb6 ab6 21.a4 Bc5 22.Nf4 Kf8 23.Kf1 Bb4 24.Rd8 Rd8 ½–½. Stevanovich,Steve – Panzel, Grt Lakes Adult, 1974.

5.ed5 Nd5 6.Qf3 Nb4!? 7.Na3 Nd7 =+.

5.ed5 Nd5 6.Qf3 Be6 7.Nc3 Nc3?? 8.Be6+– Nb5 9.Qb7 Bb4 10.Qb5 (10…Ke7 11.Bd5+–) 1–0. slavisa3 – dadeetdeetbleep, Live Game Caissa's Web, 2004.

4.Bc4 Ng6

5.a3= c5 6.b5+= d6 7.Ne2 Bg4 8.0–0 Qd7 9.Nbc3+/– Bf3?? 10.h3 Nh4–/+ 11.gf3?? Qh3–+ 0–1. Wolfram – Hakulinen, corr 3GMM–47, 1995.

5.a3 c6 6.Nc3+= b5 7.Bb3 Bb7 8.d4+= Qc7 9.Nf3 d6 10.Qe2 Nf4= 11.Qf1 Nd7 12.g3 Ng6= 13.d5 a6 14.dc6+= Bc6 15.Nd5 Bd5 16.ed5 Ne7 17.c4+= bc4 18.Bc4 a5 19.Rc1 Rc8 20.Qd3 ab4+= 21.0–0 Nc5= 22.Bb5 Kf7 23.Rc5? Qc5 24.Bd7 Ra8 25.Be6–/+ Ke8 26.Rc1 Qb6 27.Nd2 ba3 28.Ba3 Qa6 29.Nc4 Ng6 30.Bd6?? Bd6–+ 31.Nd6? Qd6 32.Qb5 Kd8 33.Rc6 Qe7+/– 34.Qb6?? Ke8–+ 35.Rc7 Rd8 36.Qc6 Kf8 37.Re7 Ne7 38.Qc7 Ke8 39.d6 (39…Rd6 40.Qd6 g6 41.Qb8 Nc8 42.Qc8 Ke7 43.Qd7 Kf8 44.Qf7#) 1–0. Dillimann,Hans Peter – Fabian,Laszlo, Afro op Germany, 1994.

5.a3 d6 6.Nc3 Nd7 7.Nf3 Nb6 8.Bb3 Qe7 9.d4 Be6 10.d5 Bg4 11.h3 Bd7 12.Ne2 Bb5 13.Nd2 Be2 14.Qe2 Nf4 15.Qf3 g5 16.g3 Ng6 17.Qh5 Qf7 18.Nf1 Ne7 19.Qf7+/– Kf7 20.Ne3 h5 21.c4 Ng6 22.Kf1 Be7 23.Kg2 h4 24.Rac1 Bd8 25.c5+– Nd7 26.cd6 cd6 27.Nf5 Bb6 28.Nd6 Ke7 29.Nf5 Kf8 30.Ba4 Rh7 31.Rc2 Bd8 32.Rhc1 Nb6 33.Bb3 Ne7 34.Nd6 hg3 35.fg3 a5 36.ba5 Ra5 37.Nb7 Rb5 38.Nd8 Rb3 39.Ne6 Kf7 40.Nc5 Rb5 41.a4 Rb4 42.Ba3 Rd4 43.Bb2 Rb4 44.Bc3 Rc4 45.Ba5 Rc2 46.Rc2 Nbd5 47.ed5 Nd5 48.Bd2 f5 49.Bg5 Rg7 50.Rd2 Rg5 51.Rd5 f4 1–0. Weber,Bernd – Reich,Jens, DDR–ch U18 Eisenach, 1956.

5.a3 Nf4 6.Qf3 =.

5.Qh5 Bb4 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.Qh5 Ng6).

4.Nf3 Ng6

5.a3 a5 6.b5 Bc5 7.d4 ed4 8.Nd4 d6 9.Nb3 0–0 10.Qd5+/– Kh8 11.Nc5 Nf4? 12.Qd2+– (12.Nb7?! Qe7 13.Qd4 Bb7+=) 1–0. Bonetti,Shane – gudguan2 (1690), ICC, 2002.

5.a3 c5 6.c3 d5= 7.d4 de4=+ 8.Nfd2 cd4 9.Ne4 Bf5 10.Ng3=+ Bb1 11.Rb1 Nc6 12.Bb5 dc3 13.Qd8 Rd8–/+ 14.Bc3 Bd6 15.Nf5=+ 0–0 16.Bc6 bc6=+ 17.Rd1 Bc7–/+ 18.0–0 Bb6 19.h4 Kh8 20.g3 Rd1 21.Rd1 Rd8 22.Rc1 Nf8 23.Be1 Rc8 24.Ne7= Rc7 25.Nc6 Ne6 26.a4?? a6?? 27.b5 ab5 28.ab5= Nd4 29.Ra1 h6 30.Nd4 Bd4 31.Rb1 ½–½. Roczniak,Jan – Urbaniak,Jozef, corr Poland, 1990.

5.d4 Bb4=+ 6.c3 Bd6 7.Bc4= c6 8.a4 ed4 9.cd4 Bb4 10.Bc3 Ba5 11.0–0 Ne7 12.e5 Bc3= 13.Nc3 d5 14.ed6 Qd6 15.Re1 Nd7 16.Re6 Qb4 17.Qe2 Qc3 18.Re7+/– Kd8 19.Re1 Nb6 20.Re8 Re8 21.Qe8 Kc7 22.Qf7 Bd7 23.Ba2 Nd5? 24.Qg7 Rd8 25.Qh7 Kc8 26.Bd5+– cd5 27.Qh6 Kb8 28.Qf6 Kc8 29.Qg5 Ba4 30.Rc1 Bc2 31.Ne1 Qd4 32.Rc2 Kd7 33.Qf5 Kd6 34.Qg6 Ke7 35.Rc7 Rd7 36.Qh7 Kf6 37.Rd7 Qb4 (38.Qf7 Kg5 39.Nf3 Kg4 40.h3#; 37...Qe4 38.Qf7 Ke5 39.Nf3 Qf3 40.gf3 Kd4 41.Qd5 Kc3 42.Qc5 Kb3 43.Rb7 Ka4 44.Qa7#) 0–1. hasant (1915) – macedon (2065), net–chess.com, 2008.

4.f4 d5

5.fe5= fe5 6.Be5 Ng6 7.Bc3 d4 8.Bb2 Bb4 9.Nf3 Bg4 10.Be2 Bf3 11.Bf3= Nc6 12.0–0 Bc5 13.Ba3 Qe7 14.Bc5 Qc5 15.d3 0–0 16.Nd2 Qg5 17.Rb1 b6 18.Kh1 Nce5 19.g3 Rf6 20.Qe2 Raf8 21.Bg2 Ng4 22.Rf6 Rf6 23.Rf1 N6e5 24.Rf6 gf6 25.Nf1 Qc1–/+ 26.h3 Ne3–+ 27.c4 Qc2 28.Bf3 Qd3 29.Qd3–/+ Nd3 30.Ne3 de3 31.Kg1 Nc1 32.a3 Nb3–+ 33.Be2 Nd2 34.Bd3 Kf7 35.g4 Ke6 36.Kg2 Ke5 37.Kg3 Kd4 38.Be2 Ke4 39.h4 h6 40.h5 c5 0–1. Berlacki,Piotr – Resaz,Renato, La Spezia op, 1971.

5.fe5= fe5 6.Qh5 Ng6 7.Nf3 Nd7 8.Be5?? de4–+ 9.Bd3 ed3 10.0–0 Nf6 11.Bf6 Qf6 12.Nc3 Qf5 13.Rae1 Be7 14.Ng5 Qg4 15.Re7 Ke7 Decoy to e7 16.Nd5 Ke8 17.Re1 (17.Re1 Kf8 18.Nc7 Qd4 19.Kh1+=; 17.Nc7 Ke7 18.Qg4 Bg4 19.Na8 dc2–+ (19...Ra8?! 20.Rf7 Ke8 21.cd3=+)). Pietrzak,Janusz – Krzyzak,D, corr Poland, 1990.

5.fe5= f5 6.d4 de4 7.b5 Nd5=+ 8.Ne2 Ne3 9.Qc1 Qg5 10.g3=+ Be7 11.Nf4 Nf1 12.Rf1 b6 13.Nc3 0–0 14.Ncd5 Bd8 15.Qe3 c6 16.bc6 Nc6 17.0–0–0 Na5 18.Kb1 Qh6 19.Qc3 Ba6 20.Rf2 Rc8 21.Qb4 g5 22.Rg1?? gf4–+ 23.gf4 Kf7 24.Rfg2 Bb7 25.Rg7! Qg7 26.e6! Kg8?? 27.Ne7 (27.Ne7 Kh8 28.d5 h6 29.Rg7 Rf6 30.Bf6 Be7 31.Qe7 Bd5 32.Rg6) 1–0. Roczniak,Jan – Bober,Wladyslaw, corr Poland, 1982.

5.fe5= f5 6.ed5 Qd5 7.Nf3 Ng6 8.c4 Qe4+= 9.Be2 Nf4 10.Nc3+/– Nd3 11.Kf1 Nb2 12.Qb3 Qc6 13.Qb2 Be6 14.b5 Qd7 15.d4 1–0. Skrastins,J – Borrmann,Fritz, corr, 1972.

5.Qh5 Ng6?? 6.Nf3 Qe7 7.Nc3 Qb4 8.0–0–0 Kd8 9.Nd5? Qa4 10.Nc3 Qb4 11.d4 Nc6?? 12.fe5 Qa5+/– 13.Bd3 1–0. Kazoks – COMP, (year?).

4.f4 d6

5.Bc4 ef4 6.Qh5 Ng6 7.Nf3 Nc6 8.d4 (8.Nh4 Qe7 9.0–0 Nce5=) 8...Qd7 (8...Nb4 9.0–0 Qe7 10.Qb5 Qd7 11.Qb4+=) 9.h3 (9.a3 Qg4 10.Qg4 Bg4=) 9...Kd8 (better is 9...Nb4!? 10.Bb3 Qc6–/+) 10.a3= Nce7 11.Nc3 c6 12.0–0–0 (12.0–0 Qc7=) 12...b6 (12...b5 13.Be2+=) 13.b5 Bb7 14.bc6 Nc6 15.e5 (15.Rd2+=) 15...Na5 (15...fe5!? 16.Ng5 ed4 17.Nf7 Kc8–/+) 16.e6 (16.Bd3 Qf7 17.e6 Qe8=) 16...Qc8 17.Bb5 (17.Bd3 Ne7+=) 17...Bc6 (17...Qe6 18.Rhe1 Qg8 19.Nh4+=) 18.d5 Bb5 19.Nb5 Qc4 20.Nbd4 (20.Nc3 Rc8=) 20...Rc8 21.Kb1 Be7 (21...Ne7 22.Rhe1+=) 22.Nd2= Qa4 ½–½. Tiller,B (2375) – Anderton,D (2210), 4NCL, 2010.

5.f5 b6 6.c4 Bb7 7.d3 Nd7 8.Nf3 g6 9.fg6 Ng6 10.Be2 Qe7 11.Qa4 Nf4 12.g3 Ne2 13.Ke2 Qg7 14.Nc3 a6 15.Nd5+= 0–0–0 16.Qc2 Qg4 17.Ne3 Qh3 18.Qd1 Rg8 19.Qf1 Qh5 20.a4 Bh6 21.Nf5 Rde8 22.Nh6 Qh6= 23.Bc1 Qh5=+ 24.Be3? Ref8 25.Qf2?? f5–+ 26.h3 fe4 27.de4 Be4 28.g4 Qg6 29.Rhf1 Rf3 30.Qh2 Rf1 31.Rf1 Bd3 (31...Bd3 32.Ke1 Bf1 33.Kf1 Rf8 34.Bf2 Nf6–+) 0–1. hal1958 – guanzi, playchess.de, 2002.

5.f5 d5 6.Qh5 g6 7.fg6 Ng6 8.Nf3 Be6 9.ed5 Bf7 10.Qf5 Bg7 11.Bb5+= Nd7 12.Nc3 Ne7 13.Qh3 Nd5 14.Nd5 Bd5 15.0–0 Qe7 16.Nh4 Be6 17.Nf5 Bf5 18.Qf5 0–0–0 19.Qe4 Nb6 20.d3 a6 21.Bc4 Nc4 22.Qc4 Qd7 23.Be5 b5?? 24.Qe4+– Qe6 25.Bb2 Qe4+/– 26.de4 Rd6 27.Rad1 Rhd8 28.Rd6 Rd6 29.Bc3 Kd7? 30.Kf2?? Ke6 31.Ke3 Rc6 32.Kd3+– Rd6 33.Bd4 Ke7 34.c3 Bh8 35.Ke3 Re6 36.g4 h6 37.h4 Bg7 38.g5! hg5 39.hg5 Bh8 40.Bf6 Bf6 41.Rf6 Rf6 42.gf6 Kf6 43.Kd4 Ke6 44.Kc5 Ke5 45.Kc6 Ke4 46.Kc7 Kd3 47.Kb6 Kc3 48.Ka5 Kb2 49.Ka6 Ka2 50.Kb5 Kb3 51.Kc5 Ka4 52.b5 (52.b5 Ka3 53.b6 Kb3 54.Kd4 Kb4 55.b7 Kb5 56.b8Q Kc6 57.Qa8 Kd6 58.Qd5 Kc7 59.Kc5 Kc8 60.Kc6 Kb8 61.Qb3 Kc8 62.Qg8#) 1–0. Nordbrink – Grottendiek, Germany, 1980.

5.f5 Nd7 6.Qh5 g6 7.fg6 Ng6 8.Nf3 Bg7 9.Nh4+/– Kf7 10.Bc4 Kf8 11.Nc3 Qe7 12.Nf5+– Qe8 13.0–0 Nb6 14.Bb3 Bf5 15.Rf5 Ne7?? 16.Rf6!! Bf6 17.Qh6 Bg7 18.Rf1 Qf7 19.Rf7 (19...Ke8 20.Re7 Kd8 21.Qe6 Bf6 22.Rc7 Kc7 23.Nb5 Kd8 24.Qf6 Kc8 25.Be6 Kb8 26.Qh8 Nc8 27.Qc8#) 1–0. Trkn – guest2188, ICC, 2004.

4.f4 ef4

5.Bc4 c6 6.Nh3 d5 7.ed5 Bh3 8.Qh5 Ng6 9.Qh3 Qe7 10.Kf2+= Kd8 11.Re1 Qc7 12.dc6 Nc6 13.Qd3 Bd6 14.a3 Nge5 15.Be5 Ne5–/+ 16.Re5 fe5 17.Nc3 Qb6 18.Kf1 Qd4 19.Qd4 ed4 20.Ne4 Be5 21.d3 Ke7 22.Re1–/+ b6 23.Nf2 Kd6 24.Ng4 Rhe8 25.Ne5? Re5–+ 26.Re5 Ke5 27.Kf2 g5 28.g4 fg3! (28...fg3 29.Kg3 a6–+) 0–1. Brzoza,Miroslaw – Machlowski,S, corr Poland, 1980.

5.Bc4 d6 6.Qh5 Ng6 7.Ne2 Nc6 8.Nf4+/– Nce7 9.Nc3 c6+= 10.a3 Bd7 11.Nce2 Qc7? 12.Ng6+– (12.Ng6 Ng6 13.Nf4+–) 1–0. Brzoza,Miroslaw – Krys, corr Poland, 1980.

5.Qh5 Ng6 6.a3 Bd6 7.Bc4 Nc6 8.Ne2 Qe7 9.0–0 Nce5 10.Bd5 c6 11.Bb3 Nf7 12.Nd4 0–0?? 13.Nf5+– Bc5 14.bc5 Qc5 15.Bd4 Qb5 16.Nc3 Qa5 17.Nh6! (17.Nh6 gh6 18.Qa5+–) 1–0. Bonetti,Shane – reptile, ICC, 2002.

5.Qh5 Ng6 6.Nf3 Qe7 7.Nc3 Qb4 8.0–0–0 Kd8 9.Nd5 Qa4 10.Nc3 Qb4 11.d4 Nc6–/+ 12.e5 Qa5 13.Bd3 Ba3 14.Ba3=+ Qa3 15.Kd2 Nce7 16.Rb1 c6 17.Rb3 Qa5 18.d5 cd5 19.Rb5 Qa3 20.ef6=+ gf6 21.Bg6 Ng6 22.Rd5 b6 23.Qf5 Rf8 24.Nd4 Ne7?? 25.Ne6+– Ke8 26.Qh5 Rf7 27.Nc7 Kf8 28.N7b5 Qb4 29.a3 Qc4 30.Qf7! Kf7 31.Nd6 Ke6 32.Re1 (32.Re1 Qe2 33.Re2#; 32.Nc4?! Nd5 33.Re1 Ne3 34.Ne3 fe3 35.Re3 Kf7+=) 1–0. Kazoks,Aivars E – Sapa,Wladyslaw, corr Baltic Sea tt5, 1986.

5.Nh3 d5

6.Qh5 g6 7.Qh4 Bh3 8.Qh3 =+.

6.Nf4 de4

7.Bc4 Nbc6 8.Bf6 gf6 9.Qh5 Kd7?? 10.Be6 Kd6 11.Qc5# 1–0. Bonetti,Shane – alzaar, ICC, 2002.

7.Bc4 Qd6–/+

8.0–0 Qb4–+ 9.Bb3 Na6 10.Nc3 Bd7 11.Qh5 g6 12.Qe2 0–0–0 13.Ne4= Bg7 14.Rab1 Rhe8 15.Bf7+= Nf5 16.Be8+/– Re8 17.d3 Qb6 18.Kh1 Qc6 19.Qf2 b6 20.c4 Nh6 21.Nd5+– Ng4 22.Qg3 Nc5? 23.Nc5 Qc5 24.Ba3 Qc6 25.Ne7 Re7 26.Be7 f5 27.Rbe1 1–0. Sokolski,Alexei – Lisenkov, (corr?) 1951.

8.0–0 Qb4–+ 9.Bb3 Na6 10.Nc3 Bd7 11.Qh5 g6 12.Qe2 0–0–0 13.Ne4= Bg7 14.Nf6 Bf6–/+ 15.Bf6 Qb6 16.Kh1 Qf6 17.Nd5 Nd5 18.Rf6 Nf6 –/+.

8.0–0 Qb4–+ 9.Bb3 Nbc6 10.Qh5 g6 11.Ng6? Ng6–+ 12.Bf6 Qc5 13.Qc5 Bc5 14.Kh1 Rf8 15.Nc3 Bd4 16.Bd4 Nd4 17.Nd5 Kd8 18.Nf6 h6 19.Rae1 Bf5 (19...Bf5 20.Nh7 Rh8–+) 0–1. Brooks,Bob – Wall,Bill, Thailand, 1973.

8.0–0 Qb4 9.Bb3 Nbc6 10.Qh5 g6 11.Ng6 Ng6 12.Bf6 Qc5 13.Qc5 Bc5 14.Kh1 Rf8 15.Nc3 Bd4 16.Bd4 Nd4 17.Nd5 Rf7 18.Rf7 Kf7 19.Nc7 Nb3 20.ab3 Rb8 21.Ra7 Bd7 22.c4 b6 23.Na6 Rd8 24.Rb7 Ne5 25.Rb6 Bc8 26.Nc5 Rd2 27.h3 Nd7 28.Nd7 Bd7 29.Kg1 Rd1 30.Kf2 Rd3 31.b4 e3 32.Ke2 Bf5 33.g4 Rd2 34.Ke3 Rd3 35.Ke2 Rh3 36.gf5 Rh5 37.f6 Rh6 38.b5 Rf6 39.Rf6 Kf6 40.b6 1–0. Wall – Brooks, U Tapao, Thailand 1973.

8.0–0 Qb4 9.Bb3 Nbc6 10.Qh5 g6 11.Ng6 Ng6 12.Bf6 Qc5 13.Qc5 Bc5 14.Kh1 Rf8 15.Nc3 Bd4 16.Bd4 Nd4 17.Nd5 Rf7 18.Rf7 Kf7 19.Nc7 Nb3 20.ab3 Rb8 21.Ra7 Bd7 22.c4 b6 23.Na6 Rd8 24.Rb7 Ne5 25.Rb6 Bc8 26.Nc5 e3 27.Ne4 e2 0–1. Brooks – B Wall, Thailand 1973.

5.Nh3 Ng6

6.a3 d5 7.Nf2 de4 8.Ne4 Be6 –/+.

6.Bc4 Bb4 7.Qh5 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Ne7 5.Qh5 Ng6 6.f4 ef4 7.Nh3).

6.Bc4 d5! 7.ed5 Qe7.

6.Bc4 d5! 7.Bd5 c6 8.Bb3 Bh3 9.gh3 Bb4 10.c3 Bd6 11.d4 Qe7 12.0–0 Nd7 13.Nd2 0–0–0 14.a4 Ndf8 15.d5 Bc5 16.Kh1 Be3 17.Ba3 Qe5 18.Bc2 Qc3 19.Nf3 Ne5 20.Qb1 Nf3 21.Rf3 cd5 22.ed5 Ng6 23.d6 Ne5 24.Be4 b6 25.Re3? fe3 26.Ra2 Kb8 27.Bb4 Qd4 28.a5 b5 29.Bc3 Qc4 30.Bb4 Rc8 31.Ba3 a6 32.Bf5 e2 33.d7 Qc1 (33...Qc1 34.Kg2 Qb1 35.dc8R Rc8 36.Bb1 e1Q 37.Bd6 Ka7 38.Bh7 Qd1–+) 0–1. Vann,R – Mitchell,R, corr ACT, 1988.

6.Bc4 d5! 7.Bd5 c6!? 8.Bc4 b5 –+.

6.Bc4 d5! 7.Bd5 Bh3 8.Bb7 Bg2 9.Rg1 f3 10.Ba8+= Nf4 11.d4 f5 12.Kd2 Bb4 13.c3? Qd4–/+ 14.Kc2 Qc4 15.Qd2 Bd6 16.Na3? Qa4–+ 17.Kb1 0–0 18.Nc2? fe4 19.Ne3 Kh8 20.Ng2 Ng2 21.c4 Qc4 22.Bd5 Qd3 23.Qd3 ed3 24.Bd4 c5 25.Bf2 Nd7 26.a4 Nf4 27.Bc4 Ne2 28.Rh1 Rb8 29.Ka2 Rb4 0–1. Reed,Arthur F – Moreland,H, BCCC, 1994.

6.Qh5 Qe7 7.Nc3 Qf7 8.Nd5+/– Bd6 9.Bc4 Qf8 10.Nhf4 c6+/– 11.Ng6 hg6 12.Qg6 Kd8+= 13.0–0?? Bh2–+ 14.Kf2 cd5 15.Bd5 Rh6 16.Qf7 Qf7 17.Bf7 Be5 18.d4–/+ Bd6 19.b5 a6 20.b6 Nc6 21.c3 Ke7 22.Bd5 Nd8 23.Rae1 Bf4 24.e5 f5 25.Ba3 Ke8 26.Ke2 g5 27.Kd1? Ne6 28.Rh1 Rh4 29.Reg1 Bg3–+ 30.Bc1 f4 31.a4 Ng7 32.a5 Nf5 33.Be4 Ne7 34.d5 d6–+ 35.ed6 Nf5 36.Ba3 Ne3 37.Kc1 Bf5 38.Bf3 Kd7 39.Rh4 Bh4 40.Be2 Nd5 41.Bf3 Be6 42.Kb2? Rc8 43.Rc1 g4 44.Be4 Bf6 45.Bd5 Bd5 46.Rc2 Be5 47.Bb4 Bd6 48.Bd6 Kd6 49.Rd2 Kc5 50.Rd4 Rf8 51.g3 fg3 52.Rg4 Rf2 53.Kc1 g2 (53...g2 54.Rg3 Rf1 55.Kc2 g1Q 56.Rg1 Rg1–+) 0–1. tschulz – Papale, Pfingstturnier, 2004.

4.Qh5 g6=

5.Qf3 Bg7 6.Bc4 c6 7.Nc3 b5 8.Bb3 Na6 9.a4 Nb4 10.ab5 a5 (10...cb5 11.Qe2 a6 12.Nf3+=) 11.Nge2+/– Bb7 12.bc6 Bc6 13.0–0 d5 14.ed5 Ned5 15.d4 a4 (15...0–0 16.Rfd1 a4 17.Na4+/–) 16.Bd5 (16.Ba4?! Ra4 17.Ra4 Nb6=) 16...Nd5 17.de5 Ne7 18.Qg4 (18.Ne4 f5 19.Nd6 Qd6 20.ed6 Bf3 21.Bg7 Be2+=) 18...f5 19.Qd4 Qd4 20.Nd4 Be5 21.Nc6 Nc6 22.Na4 Kf7 23.Be5 Ne5 24.Rfe1 Rhd8 25.Kf1 Nc4 26.Nc5 Re8 27.Nb3 Ra1 28.Ra1 h6 29.g3 Re7 30.Ra6 Rc7 31.Nd4 Ne5 32.Ra5 Ng4 33.h3 Nf6 34.Ra4 Nd5 35.h4 Nc3 36.Ra6 ½–½. Hanison,Bernard (1815) – Bonca,Robert Simeon (1800), b2–b4.com, 2004.

5.Qh4 Nec6 6.b5+= Nb4? 7.Kd1+– a6 8.a3 Nc2 9.Kc2 ab5 10.Bb5 Nc6 11.Nf3 d6 12.d4 ed4 13.Nd4 Bd7 14.Nc6 Bc6 15.Qf6 Rg8 16.Qe6 Be7 17.Qg8 Kd7 18.Bc6 bc6 19.Qh7 Qf8 20.f3 d5 21.Nc3 d4 22.Rhd1 c5 23.Nd5 Re8 24.Rab1 c6 25.Qh3 Kd8 26.Bc3! cd5 27.Ba5# 1–0. marr – ovoluta, internet live, 2010.

5.Qh4 Bg7 6.Bc4 d5 7.ed5 Nd5 8.Ne2 Nc6 9.a3 0–0 10.0–0 Be6 11.Nbc3 f5 12.Qd8 Rad8 13.d3 a6 14.Na4 b5 15.Nc5 bc4 16.Ne6 cd3 17.cd3 Nb6 18.Nd8 Rd8 19.Rad1 Na4 20.Ba1 Na7 21.Nc3 Nc3 22.Bc3 Nb5 23.Bb2 Rd5 24.Rfe1 c5 25.Kf1 cb4 26.ab4 Kf7 27.Ra1 Rd3 28.Ra6 e4 29.Bg7 Kg7 30.Rb6 Nd6 31.Rc1 Kf6 32.Ke2 Ke5 33.Rd1 Rd1 34.Kd1 f4 35.Ke2 Nf5 36.Rb8 Kd5 37.b5 Kc5 38.b6 Kc6 39.b7 Kc7 40.Re8 Kb7 41.Re4 1–0. Krzewski – Chmielinski, Olsztyn 1994.

4.Qh5 Ng6

5.Bc4 c6 6.Nc3 b5 7.Bb3 Bb4 8.Nge2 Na6 9.f4 Bc3 10.Bc3 Nc5 11.f5 Ne4 12.fg6 h6 13.Bf7 Kf8 14.Be5 fe5 15.0–0. Magee – Sample, North Carolina, 1980.

5.Bc4 c6 6.Nf3 d5 7.ed5 cd5 8.Nh4 dc4 9.Ng6 hg6 10.Qh8 Bf5 11.Na3 Qd5+= 12.0–0 Nc6 13.d4 e4 14.c3 0–0–0 15.Qh4 Bd6 16.Nc2 Qf7 17.g4 Bd7 18.f4 ef3 19.Rf3 Ne7 20.Ne3 g5 21.Qg5 Rh8 22.h3 Rh3–+ 23.Raf1 Rg3?? 24.Rg3+– Bg3 25.Qc5 Kb8 26.Rf3 Bc7 27.Bc1 g6 28.Nc4 Qe6 29.Ne3+– Qe4? 30.Rf6 Bg4 31.Qg5 Bd7 32.Rf8 Nc8 33.Nd5 Bd6? 34.Rf1 Bc6 35.Nf4 Qh1= 36.Kf2 Qf3 37.Ke1 Qc3 38.Bd2 Qd4 39.Ne2 Qa1 40.Nc1 Qb1 41.Rf6 Qe4 42.Kd1 Qh1 43.Kc2 Qe4 44.Kb2 a6 45.Qg3?? Ka8 (46.Rd6 Nd6 47.Qd6 Qd5 48.Qd5 Bd5+–). De Visser,Arno – Altena, 1977.

5.Bc4 Qe7 6.a3 d6 7.Ne2 Be6 8.Bb5 c6= 9.Ba4 Bf7 10.Qf3= Nd7 11.d4 Nh4 12.Qd3 Ng2–/+ 13.Kf1 Nf4 14.Nf4 ef4 15.Nd2 g5 16.c4 Bg7 17.d5 c5 18.bc5 0–0 19.Bd7 Qd7 20.cd6 Qd6 21.a4 Rfe8+= 22.h3 Rac8 23.f3 Re7 24.Ba3 Qe5 25.Kg2 Rec7 26.Rab1 Bg6 27.c5 f5 28.Nc4 fe4 29.Ne5 ed3 30.Ng6 hg6 31.Rhd1 Bd4 32.d6 Rd7=+ 33.Rd3 Bc5 34.Bc5 Rc5–/+ 35.Rb2 b6 36.Rd4 Kg7 37.Kf2 Kf6 38.Ke2 Kg7 39.Kf2 Kh6 40.Kg2 Rc6 41.Rbd2 a6 42.Rd5 Kh5 43.Kf2 Kh4 44.Kg2 Rc1 45.Re5= Rc8 46.Re7 Rcd8 47.Rd5 Re7 48.de7 (48...Rd5 49.e8Q Rd2 50.Kg1 Rd1 51.Kf2 Rd2 52.Ke1+–) 1–0. algernon (2295) – pallen (2360), net–chess.com, 2005.

5.Qf3 Bg7 6.Bc4 c6 7.Nc3 b5= 8.Bb3 Na6 9.a4 Nb4 10.ab5 a5 11.Nge2 Bb7 12.bc6 Bc6 13.0–0 d5 14.ed5 Ned5 15.d4 a4 16.Bd5 Nd5 17.de5+= Ne7 18.Qg4 f5 19.Qd4 Qd4 20.Nd4 Be5 21.Nc6 Nc6 22.Na4 Kf7 23.Be5 Ne5 24.Rfe1 Rhd8 25.Kf1 Nc4 26.Nc5 Re8 27.Nb3 Ra1 28.Ra1 h6 29.g3 Re7 30.Ra6 Rc7 31.Nd4 Ne5 32.Ra5 Ng4 33.h3 Nf6 34.Ra4 Nd5 35.h4 Nc3 36.Ra6 ½–½. Hanison,Bernard (1815) – Bonca,Robert Simeon (1800), b2–b4.com, 2004.

5.Nf3 Nc6 6.Nh4 Nce7 7.Nc3 c6 8.Bc4 d5? 9.ed5+/– cd5 10.Nd5!+– Nd5 11.Ng6 hg6 12.Qh8 Be6 13.Qh7 Kf7 14.a3 Qb6 15.Bd5 Bd5 16.Qh3 Qc6 17.Qc3 Qe6 18.0–0 Bd6 19.Qe3 g5 20.Qh3?? g4? 21.Qh5 Kg8 22.Qg6 Rc8 23.Rfe1 Rc4 24.Rac1 Rf4 25.g3 Rf3 26.Re3 Bc6 27.c4 Bc7 28.b5 Be8 29.Qe4 Qf5 30.Qf5 Rf5 31.d4 Bb6 32.c5 Ba5 33.Bc3 Bc7 34.a4 a6 35.de5 ab5 36.ef6 Bc6 37.ab5 Bb5 38.Re7 Rc5 39.Rg7 Kh8 40.Rc7! Rc7 41.f7 (41...Rc3 42.f8Q Kh7 43.Rc3 Kg6 44.Qd6 Kf7 45.Rc7 Bd7 46.Rd7 Ke8 47.Qe7#) 1–0. Argitis,S – Hristodoulou,Georgios (2135), Attica–ch op, 2003.

5.Nf3 Nc6 6.Nh4+/– Nce7 7.Bc4 c6 8.Nc3 b5 9.Bb3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Qb6 (12...d6!?+=) 13.Ne2 d5 (13...Qa7 14.Bb2+/–) 14.f4+– Kd7 (14...Be6 15.f5 Bf7 16.Ng6+–) 15.Ng6 Ng6 16.fe5 (16.f5 Ne7 17.d4 de4 18.de5 g6 19.fg6 Ng6+–) 16...fe5 17.ed5 cd5 (17...c5 18.bc5 Bc5 19.Rf1+–) 18.Be5 (18.Bd5 Bd6+–) 18...Bb4? (better is 18...Ne5 19.Qe5 Qe6+–) 19.Bg7 (19…Re8 20.c3+– (20.Qd5?! Kc7 21.Qh5 Qc6+–; 20.Qh7?! Bd2 21.Kd1 Re7+–); 19.Bd5?! Ne5 20.Qe5 Qf6 21.Qf6 gf6+/–) 1–0. Trkn – guest7588, ICC, 2004.

5.Nf3 d5!? +=.

5.f4 Nc6?? 6.f5+– Bb4 7.fg6 h6 8.Bc4 d5 9.Bd5 Nd4 10.Bd4 ed4 11.Bf7 Kf8 12.a3 Ba5 13.Qa5 b6 14.Qb4 c5 15.Qc4 Qe7 16.Nf3 Qe4 17.Kf2 Bg4 18.Bd5 Qg6 19.Ba8 Bf3 20.Bf3 (20...Qf7 21.Qb5+–) 1–0. marre – waxov, internet live, 2010.

5.f4 ef4 6.Nf3 Bb4 7.Nh4= Rf8? (better is 7...Ke7 8.a3 Nh4=) 8.Ng6+– hg6 9.Qg6 Rf7 10.Bc4 Qe7 11.Bf7 Kd8?? (better is 11...Qf7 12.Qf7 Kf7+/–) 12.0–0 (better is 12.Qg7 Qe4 13.Kd1 c6 14.Bf6 Kc7+–) 12...c6 (12...Qc5 13.d4 Qc2 14.Qg7+–) 13.Rf4 (13.Qg7 Kc7 14.Bf6 Qc5 15.d4 Qf8+–) 13...Kc7 (13...Qc5 14.Rf2 Qc2 15.Bd4+–) 14.Qg7 Qc5 15.Rf2 Na6 (15...Qc2 16.Bf6 Qe4 17.Nc3 Bc3 18.Bc3+–) 16.Qf6 Qc2 (16...Qf8 17.Qf4 Bd6 18.e5+–) 17.Na3 Qe4 18.Rc1 (better is 18.Be5 d6 19.Qe7 Bd7 20.Bd6 Bd6 21.Qe4 Ba3+–) 18...Nc5 (18...b6+–) 19.Be5 Kb6 20.Nc4 Ka6 21.Nd6 Qd3 22.Bc4 b5 23.Bd3 Nd3 24.Rb1 Nf2 25.Rb4 Nd3 26.Rb3 Nc1 27.Ra3 Kb6 28.Qd8 Kc5 29.Nc8 Ne2 30.Kf2 1–0. cristero (2310) – budgie (2265), net–chess.com, 2015.

5.f4 ef4 6.Nf3 d6 7.Nh4 Rg8 8.Bc4 (8...Qe7 9.Bg8 Qe4 10.Kd1 Qb4 11.Bb3+– (11.Bh7?! Qb2 12.Qg6 Kd8+–; < 11.Ng6 Qb2 12.Re1 Kd8 13.Nf8 g6+–); 8.Ng6?! hg6 9.Qg6 Kd7 10.Qf7 Be7+–) 1–0. Juscamayta Zuegel,Tupac Amaru (1860) – Semmler,Guenter (2135), Bad Woerishofen op, 2000.

5.Qh4 Bg7 6.Bc4 d5 7.b5?? dc4–+ 8.Na3 Be6 9.Ne2 0–0 10.Be5 fe5 11.Nb1 Qd6 12.Nbc3 Nd7 13.0–0 Rf7 14.f3 Qd2 15.Qe1 Qe1 16.Rfe1 Raf8 17.Rab1 g5 18.h3 h5 19.Ng3 g4 20.hg4 hg4 21.a4 gf3 22.gf3 Rf3 23.Nf5 Nf5 (24.ef5 Bf5–+; better is 23...Bf5!? 24.Nd1 Be6 25.a5–+) 0–1. Valica,Slavo (1705) – Bonca,Robert Simeon (1800), b2–b4.com, 2004.

5.Qh4 Bg7 6.Bc4 d5 7.ed5 Nd5 8.Ne2 Nc6 9.a3= 0–0 10.0–0 Be6 11.Nbc3 f5 12.Qd8 Rad8 13.d3 a6 14.Na4+= b5 15.Nc5 bc4 16.Ne6+/– cd3 17.cd3 Nb6 18.Nd8+– Rd8 19.Rad1 Na4 20.Ba1+– Na7 21.Nc3 Nc3+/– 22.Bc3 Nb5 23.Bb2 Rd5 24.Rfe1+– c5 25.Kf1 cb4 26.ab4 Kf7 27.Ra1 Rd3 28.Ra6 e4 29.Bg7 Kg7 30.Rb6 Nd6 31.Rc1 Kf6 32.Ke2 Ke5 33.Rd1 Rd1 34.Kd1 f4 35.Ke2 Nf5 36.Rb8 Kd5 37.b5 Kc5 38.b6 Kc6 39.b7 Kc7 40.Re8 Kb7 41.Re4 (41...Kc6 42.Rf4+–) 1–0. Krzewski,Dariusz – Chmielinski,Piotr, ch Olsztyn, Poland, 1994.

3.e4 g6

4.a3 c5 5.Bc4 cb4 6.ab4 Nh6 7.Nf3 Bb4= 8.0–0 b6 9.c3 Be7+= 10.d4 d6?? 11.Nbd2 Qc7+= 12.Bc1 Nf7 13.Bf7 Kf7=+ 14.de5 de5–/+ 15.Qb3 Be6 16.c4 Rc8 17.Ba3 Bc4–+ 18.Nc4 Qc4 19.Qc4? Rc4 20.Be7 Ke7 21.Nd2 Rd4 22.Rfd1 a5 23.Rab1 Nd7 24.f3 Rb8 25.Nb3 Rd1 26.Rd1 Rd8 27.Rb1 Rc8 28.Nd2 Kd8 29.Rb5 Rc6 30.h3 Kc7 31.Kf2 Rc2 32.Ke3 Nc5 33.g4 Kc6 34.Rb1 a4 35.Ra1 b5 36.Nb1 b4 37.h4 Kb5 38.g5 fg5 39.hg5 Nb3 40.Kd3 Rg2 41.Ke3 Na1 42.f4 Rg3 43.Kf2 Rg4 44.Kf3 Rf4 (44...Rf4 45.Ke2 Re4 46.Kd3 Rg4 47.Ke2 Nb3 48.Nd2 Rg2 49.Kf1 Rd2 50.Kg1 Kc4 51.Kf1 Nd4 52.Ke1 Nf3 53.Kf1 Ng5 54.Ke1 Nf3 55.Kf1 Nd4 56.Ke1 Kd3 57.Kf1 h5 58.Ke1 a3 59.Kf1 a2 60.Ke1 a1Q) 0–1. vidyashankarh (1930) – gstevenson (1890), net–chess.com, 2002.

4.a3 d5 5.ed5 Qd5 6.Nc3 Qe6 7.Nf3 Bd6 8.Bb5 c6 9.Ba4 b5 10.Bb3 Qe7 11.0–0 Nh6 12.Re1 Nf7 13.Ne4 0–0 14.d4 Nd7 15.de5 Be5 16.Ne5 fe5 17.c4 bc4 18.Bc4 a5 19.Qb3 ab4+/– 20.ab4 Ra1 21.Ba1 Nb6 22.Nc5 Nc4 23.Qc4 Kg7 24.h3 Nd6?? 25.Be5 Kh6?? 26.Qc1 g5 27.h4 Nf5 28.hg5 Kg6 29.Bf6 Qd6 30.g4 Nh4 31.Qc2 Bf5 32.gf5 Nf5 33.Re5 Rf6 34.gf6 Qf6?? 35.Nd7 Qg5 36.Kf1 Qf4 37.Qc6 Kg5 38.Qf6 Kg4 39.Qf5! Qf5 40.Rf5 Kf5 41.Ke2 Ke6 42.Nc5 Kd5 43.Kd3 Kc6 44.Kc4 h5 45.Ne4 h4 46.Ng5 Kd6 47.b5 Kc7 48.Kc5 Kb7 49.b6 Kc8 50.Kc6 Kb8 51.f4 Kc8 52.f5 Kb8 53.f6 h3 54.Nh3 Ka8 55.f7 Kb8 56.f8Q 1–0. bratek55 (1715) – bjeshka5, internet, 2011.

4.a3 d6 5.Nf3 h5 6.Bc4 Ne7 7.d4 Bg4 8.de5+– fe5 9.h3 Bf3+/– 10.Qf3 Rh7 11.0–0 Nbc6 12.Be6 Nd4 13.Bd4 ed4 14.Qf6 c6 15.Nd2+– Nc8?? 16.Qg6 Ke7 17.Bb3 Rg7 18.Qe6# 1–0. pierre – dimiton, internet, 2008.

4.a3 Ne7 5.Qf3 f5? 6.Be5+– Rg8 7.Bc4 Bg7 8.Bg7 Rg7 9.Qc3 Kf8 10.Qf6 (10.Qf6 Ke8 11.Qg7+–) 1–0. guest569 – guest926, ICC, 2003.

4.b5 Bc5 5.Bc4 Ne7 6.Qf3 c6 7.Nc3 d5 8.ed5+/– cd5 9.Nd5 Nf5? 10.g4+– Nd4 11.Nf6 Ke7 12.Nd5 Kd6 13.Qe4 Qh4 14.Ne3 Rf8 15.Qd5 Ke7 16.Qc5 Ke8 17.Qc8 Ke7 18.Ba3 Kf6 19.Qf8 (19.Qf8 Kg5 20.Be7#) 1–0. pierre – joju, internet, 2008.

4.b5 c6 5.d4 Bb4 6.c3 Bd6 7.Qb3 ed4 8.cd4 Be7 9.Nc3 Qa5 10.Nf3 d5 11.bc6 bc6 12.ed5 cd5? 13.Bb5 Bd7 14.Qd5 Bb5 15.Qa8 Bd6 16.Qb7 Ne7 17.Qb5 Qb5 18.Nb5 Bb4 19.Bc3 (19.Bc3 Nbc6 20.Bb4 Nb4 21.Kd2+–) 1–0. miehnekort – vlado_07, Yahoo, 2005.

4.Bc4 Bb4 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 g6).

4.Bc4 c6 5.a3 d5 6.ed5 cd5 7.Bb3 Be6 8.Nf3 Bd6 9.0–0 Ne7 10.d3 0–0 11.Nbd2 Nd7 12.Re1 Rc8 13.c4 Qc7 14.g3 f5?? 15.Rc1 dc4? 16.Nc4+– Bc4 17.Rc4 Qc4 18.Bc4 Kg7 19.Ne5 Ne5 20.Be5 Be5 21.Re5 Nc6 22.Rd5 Rce8 23.Rd7 Kh8 24.Rb7 Re5 25.Kg2 Rfe8 26.h4 (26.h4 Nd8 27.Rd7+–) 1–0. bratek55 – barabi4 (1725), internet, 2011.

4.Bc4 Nc6 5.a3 Nge7 6.Ne2 Bg7 7.Nbc3 a6 8.0–0 b5 9.Bb3 Nd4 10.Nd4 ed4 11.Ne2 Nc6 12.Nd4 Nd4 13.Bd4 d6 14.f4 c5 15.Bc3 c4+/– 16.Ba2 0–0 17.Qf3 Bb7 18.d3 Kh8 19.dc4 Re8 20.Rfe1 bc4 21.Bc4 Qc7 22.Bd5 Bd5 23.ed5 Rec8 24.Re3 f5 25.Bg7 Qg7 26.Rae1 Qd4 27.Kh1 Rc2 28.h4 Rac8 29.Re8 Kg7 30.Rc8 Rc8 31.h5 Rc3 32.Qe2 Qf4 33.hg6 hg6 34.Qe7 Kh6 35.Qf8 Kh5?? 36.Qe7 Qh4 37.Qh4 Kh4 38.Kh2 Rd3 39.Re6 Rd5 40.Rg6 Rd3 41.Rh6 Kg5 42.Rh8 Ra3 43.Rd8 Rd3 44.Ra8 Rd4 45.Ra6 Rb4 46.Rd6 Rh4 47.Kg3 Rg4 48.Kf3 Rf4 49.Kg3 Rg4 50.Kf3 Rf4 51.Kg3 Rf1 52.Rd8 f4 53.Kh3?? Rh1 0–1. bratek55 (1635) – tezak, internet, 2011.

4.Bc4 d6 5.Ne2 a6 6.0–0 Ne7 7.f4 Bd7? (better is 7...Bg7!?+=) 8.fe5+– de5 9.Rf6 Nbc6?? (better is 9...Bg4 10.Qf1 a5+–) 10.Bf7 1–0. Wall,Bill – Muelu, chess.com, 2009.

4.d4 Bb4=+ 5.c3 Bd6 6.Bc4 Nh6 7.Nf3 Ng4 8.0–0 ed4 9.cd4+= Nc6 10.Nc3 a6 11.Ng5?? Ne3?? 12.fe3+– fg5 13.Bf7 Ke7? 14.e5 Bb4 15.Qf3 d6 16.Qf6 Kf8 17.Qh8 Ke7 18.Nd5 Kd7 19.e6# 1–0. Wall,Bill – Guest3625, internet, 2004.

4.d4 ed4 5.Bd4 Bg7 6.Nf3 Ne7 7.e5 fe5 8.Be5 Be5 9.Ne5 0–0 10.Bd3 d6 11.Bc4 Kg7 12.Ng4 d5 13.Bd3 Bg4 14.Qg4 Qc8 15.Qc8 Rc8 0–1. iczker – carmo13, internet, 2011.

4.Nf3 d6 5.d4 d5 6.de5 de4 7.Qd8 Kd8 8.ef6 Bb4 9.Nfd2 Nh6 10.Bc4 Bf5? 11.f7+– Rf8 12.Bg7 Nf7 13.Bf8 Bc3 14.Bf7 Ba1 15.0–0 Nd7 16.Bb4 a5 17.Ba3 Ne5 18.Re1?? b6?? 19.Bd5+– c6 20.Bg8 h5? 21.Ne4 Be4 22.Re4 c5 23.Nd2 b5 24.Bc5 b4 25.Bd4 Bd4 26.Rd4 Ke7 27.Bd5 Rc8 28.f4 Ng4 29.Rc4 Rc4 30.Nc4 a4 31.Nb6 a3 32.h3 Ne3 33.Be4 Kd6 34.Bg6 h4 35.Na4 Kd5 36.c3 bc3 37.Nc3 Kc4 38.Nb1 Kb4 39.f5 Nd5 40.Kf2 Ka4 41.Kf3 Nb4 42.f6 Na2 43.f7 Nb4 44.f8Q a2 45.Nc3 (45.Nc3 Kb3 46.Bf7 Kc3 47.Qc5 Kb2 48.Qb4 Kc2 49.Bg6 Kc1 50.Ke3 a1Q 51.Qd2; 45.Be8 Kb3 46.Bf7 Kc2 47.Qc5 Kb1 48.Qb4 Kc2 49.Bg6 Kc1 50.Ke3 a1Q 51.Qd2) 1–0. METSAR – Pawno Paul, ChessWorld.net, 2005.

4.h4 Bb4 5.Bc4 –/+.

4.h4 h5 5.Bc4 b6 6.Nc3 Bb7 7.b5 a6= 8.a4 ab5 9.ab5 Ra1 10.Qa1 Bb4 11.Nge2 Ne7 12.f4 Rf8 13.Nd5 Nd5= 14.ed5 d6 15.Rh3 Nd7= 16.Rb3 Ba5 17.g3 Qa8 18.Bd3 Bd5 19.Bg6 Bf7 20.Bf7 Rf7 21.Kf2 Nc5 22.d4? Nb3–+ 23.cb3 Qd5 24.Qa4 e4 25.Qc4 Qc4 26.bc4 f5 27.d5 Kd7 28.Nd4 Bd2 29.Ne6 Bb4 30.Ke2 0–1. Kurth,M – Hecker,K, corr TT/5001 BdF, 1995.

4.a3 a5

5.b5 c6 6.Nc3 Bc5 7.Bc4 b6 8.Nf3 Bb7 9.d4 ed4 10.Nd4 Qe7 11.0–0 Nh6 12.Bb3 Nf7 13.bc6 Bc6 14.Nd5+– Bd5 15.Bd5 Nc6?? 16.Nc6 (16.Nc6 Qd6 17.Ne5 Ne5 18.Ba8 Qd1 19.Rfd1+–) 1–0. Marram – Zelis Sunali, internet, 2010.

5.b5 d5 +=.

4.a3 b6

5.Nc3 Bb7 6.Bc4 Nh6 7.Nf3 Nc6 8.0–0 f5 9.ef5 gf5 10.d3 Ng4 11.Nd5 Nd4?? 12.Nd4+– Qh4 13.h3 Bd5 14.hg4 Bc4 15.Nf5 Qg5 16.Be5 Rg8 17.dc4 Qg4 18.Qg4 Rg4 19.Ne3 Re4 20.Bc7 Bh6 21.Nf5 Rc8 22.Nd6 Ke7 23.Nc8 Ke6 24.Rfe1 Re1 25.Re1 Kf5 26.Ne7 Kf6 27.Ng8 (27.Ng8 Kg6 28.Nh6 Kh6 29.Rd1+–; 27.Bb8 Kf7+–) 1–0. I need chocolate... – Pawno Paul, ChessWorld.net, 2005.

5.Bc4 Bb7 6.Nc3 d6 7.Nf3 Nd7 8.0–0 Qe7 9.b5 0–0–0 10.Bd5 f5 11.Bb7 Kb7 12.ef5 gf5 13.a4 Ngf6 14.a5 Rg8 15.ab6 cb6 16.Nh4 Ng4? 17.Nf5+– Qg5?? 18.Qf3 Kb8 19.Ra7!! (19.Ra7 e4 20.Ne4 Nde5 21.Qa3 Nc6 22.bc6 Qg7 23.Ng7 Rg7 24.Bg7 Rd7 25.Ra8 Kc7 26.Qa6 Kc6 27.Qc4 Kb7 28.Qc8#) 1–0. Bonetti,Shane – guest503, ICC, 2002.

4.a3 Nc6

5.Bc4 Qe7 6.Nf3 Nh6 7.0–0 Nf7 8.Nc3 a5 9.Nd5 Qd6+/– 10.b5 Nd4 11.Nd4+– ed4 12.Bd4 Be7 13.b6 c6 14.Nc7 (14.Nc7 Kf8 15.Bf6 Bf6 16.Na8 Ba1 17.Qa1+–) 1–0. Wall,Bill – Danco, internet, 2002.

5.Nf3 d6 6.d4 Bg4 7.d5 Bf3 8.Qf3+/– Nd4 9.Qd1 c5? 10.c3+– Nb5 11.Bb5 Kf7 12.bc5 dc5 13.0–0 a6 14.Be2 f5 15.ef5 gf5 16.Nd2 Qd5 17.Bc4 Qc4 18.Nc4 e4 19.Qd5 (19.Qd5 Kf6 20.Nb6+–) 1–0. wiking – newblockader, queenalice.com, 2009.

4.a3 Bg7

5.Bc4 d6 6.Nf3 Nc6 7.d4 Bg4 8.0–0 Qd7 9.d5 Nb4?? 10.ab4+– Nh6 11.h3 Bh5 12.Qd3 0–0 13.Nbd2 a6 14.Rfe1 Kh8 15.Ra3 Kg8 16.Bc3 Rfb8 17.Rea1 Qc8 18.Ra5 g5 19.Nf1 Bg6 20.Ne3 g4 21.hg4 1–0. pierre – rospigg, internet, 2009.

5.Bc4 Ne7 6.d4 ed4 7.Qd4 Nec6 8.Qd5 Ne7?? 9.Qf7# 1–0. Wall,Bill – Playmate, internet, 2005.

5.Bc4 Ne7 6.d4 d6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 c6 10.de5 de5 11.Be5! Rf8 12.Bc3 Nd7 13.0–0 Qc7 14.Be6 Ne5 15.Qd1 Rd8 16.Qe2 Rd6 17.Bb3 Kd8 18.f4 Nd7 19.e5 Rd5 20.e6 Nb6 21.Bd5 1–0. Fritz 8 – NN, 2003.

5.d4 d6 6.Bc4 Ne7 7.Nf3 Bg4 8.Nbd2 c6 9.0–0 d5 10.de5 fe5 11.Be2 d4 12.Nd4+– ed4 13.Bg4 0–0 14.Nb3 Qd6 15.Bd4 Bd4 16.Nd4 Nd7? 17.Ne6 Rf6 18.Qd6 Re6 19.Be6 Kf8 20.Bd7 (20.Bd7 Kg7 21.Qe7 Kh6 22.Rad1 Rh8 23.Rd3 g5 24.Qf6 Kh5 25.Rh3) 1–0. pcmvr (2225) – miodrag (2110), net–chess.com, 2006.

4.b5 a6

5.Nc3 ab5 6.Bb5 c6 7.Bc4 Ba3 8.Ba3+= Ra3 9.Bb3 Na6 10.d4 d6 11.Nge2 f5 12.ef5 gf5= 13.Qc1 Ra5 14.0–0 Nf6 15.Qh6 Qe7 16.Rae1 Nc7 17.Ng3 f4 18.Nge4 Rf8 19.Nd2 Be6= 20.de5 de5 21.Be6 Qe6= 22.Nb3 Ra3 23.Nc5 Qe7= 24.Nd3 Ra5 25.Nf4!+/– Ncd5 26.Ncd5 cd5 27.Nh5 d4 28.Ng7 Kf7 29.Nf5 Qd7 30.Qg5 Rd5 31.f3 Ke8 32.Rf2 Kd8 33.Rfe2 Qa4 34.Re5 (34.Re5 Re5 35.Re5 Qc2 36.Rd5 Kc8 37.Ne7 Kb8 A) 38.Rd4 Qb1 39.Kf2 Qb2 40.Rd2 Ne4 41.Ke2 Nd2 (41...Ng5?! 42.Rb2 Re8 43.f4 Re7 44.Kd3=+; 41...Qd2?! 42.Qd2 Nd2 43.Kd2–+) 42.Qd2 Qe5 43.Qe3 Qe3 44.Ke3 Re8–+; B) 38.Qf4 Qc7 39.Rd4 Qf4 40.Rf4+–) 1–0. Zimmermann,Joerg – Osthus,Reinhard, TT–04 TSC, 2002.

5.Nc3 c6 6.bc6 dc6 7.Nf3 Nh6 8.Bc4 Qb6 9.Rb1 Ng4 10.Qe2 Bc5 11.Ba3!+/– Bf2 12.Kf1 Qa7 13.h3 b5 14.hg4 Bb6 15.g5 bc4 16.gf6 Bg4? 17.Qc4 c5 18.Ne5 Bd7 19.Ng6 Bd8 20.f7# 1–0. pierre – cropper, internet, 2011.

4.b5 b6

5.Bc4 Bb7 6.Nc3 Ne7 7.d4 d5 8.ed5 Bd5? 9.Nd5 Nd5 10.de5 (10.de5 c6 11.a3+–) 1–0. Wall,Bill – PotatoHead, Microsoft Gaming Zone, 1999.

5.Bc4 Ne7 6.f4 d6 7.fe5 de5 8.Nf3 Bg4? 9.0–0?? Bf3 10.Qf3+– Bg7 11.Be5! Ng8? 12.Bb2 Nd7 13.d4 c5 14.e5 f5 15.dc5 Nc5 16.Qc6 Nd7? 17.Ba3 Rc8 18.Qe6 Ne7 19.Qf7# 1–0. vik – kost, internet, 2001.

4.b5 d5

5.ed5 Qd5 6.Nc3 Qf7 7.Be2 a6 8.Nf3 ab5 9.Bb5 c6 10.Ba4 Be6 11.d4 ed4 12.Qd4 Qd7 13.0–0 Bg7 14.Rfe1 Ne7 15.Ba3 b5 16.Be7 Qe7+= 17.Bb3 f5 18.Qd3 Kf8 19.Re6 Qc7 20.Ng5 Be5?? 21.Rf6!+– Kg7 (21...Bf6 22.Ne6) 1–0. EXchess 3.11 – Doctor? 3.0, 2004.

5.ed5 Qd5 6.Nf3 Qe4 7.Be2 =.

5.ed5 Qd5 6.Nf3 g5 7.Qe2 Nh6 8.d4 g4 9.Nfd2 Nd7 10.Nc4 e4 11.a3 f5 12.Nc3+= Qg8 13.f3 Nb6 14.fe4 Nc4 15.Qc4 Qc4 16.Bc4+– fe4 17.Ne4 Be7 18.0–0 Rf8 19.Rf8 Kf8 20.Rf1 Ke8 21.Nf6 Bf6 22.Rf6 Nf5 23.Bd3 Nd6 24.d5 Bd7 25.c4 b6 26.Rh6 Bf5 27.Bf5 Nf5 28.Rh7 Rc8 29.Be5 Nd6 30.Bd6 cd6 31.Rh8 Kd7 32.Rc8 Kc8 33.Kf2 Kd7 1–0. Fritz 6 – Crafty 19.01, 2004.

4.Bc4 Ne7

5.Nc3 c6 +=.

5.f4 Nec6 6.a3 =.

5.f4 d6 6.Nf3+= Nbc6 7.0–0 Nb4 8.fe5 de5 9.Ne5 fe5 10.Be5 Rg8 +–.

5.f4 d6 6.Nf3 Nbc6 7.0–0 Bg4 8.fe5 de5 9.b5 Qd6 10.bc6 Qc5 11.Rf2 Nc6 12.d3 Qb6 13.c3 Bc5 14.d4 ed4 15.cd4 Bf3 16.gf3 Bd4 17.Bd4 Qd4 18.Qd4 Nd4 19.Nc3 c6 20.f4 Rd8 21.Rd1 Ke7 22.Rb2 b6 23.Kh1 Ne6 24.Be6 Ke6 25.Rbb1 Rd1 26.Rd1 Rc8 27.Kg2 b5 28.Rc1 a6 29.Kf3 c5 30.h4 c4 31.Rd1 Rc6 32.Ne2 Rc5 33.Nd4 Kf7 34.Nc2 Ke7 35.Nb4 a5 36.Rd5 Rd5 37.Nd5 Kf7 38.a3 h6 39.e5 fe5 40.fe5 Ke6 41.Ke4 Kd7 42.Kf4 Kc6 43.e6 Kd6?? 44.e7+– Kd7 45.Ke5 c3 46.Kf6 c2 47.Kf7 g5 48.e8Q Kd6 49.Qe6 Kc5 1–0. EXchess 3.11 – Doctor? 3.0, 2004.

5.f4 d6 6.Nf3 Nbc6 7.0–0 Bg4? 8.fe5+– de5 9.b5 Qd6 10.Bf7?? Kf7–/+ 11.bc6 Bf3 12.Qf3=+ Qc6 13.Be5+= Bg7 14.Qf4 Rac8 15.Nc3 Qc5 16.Kh1 f5+= 17.Bg7 Kg7 18.Rae1 Rhf8= 19.e5 Nd5 20.Nd5+= Qd5 21.c4 Qe6= 22.Rf3 Rf7 23.Rc3 c5= 24.Ra3 b6 25.Rd3= Rc6 26.a4 Rd7 27.Rd7 Qd7=+ 28.Qf3 Re6 29.Qd5 Qe7 30.h3 Kf7 31.Re3 Ke8 32.Qa8 Kf7 33.Qd5 Kg7 34.Kh2 Kf7 35.Kg1 Kg7 36.Kh2 Kf7 37.Kg1 Kg7 38.Kf1 Kf7 39.Re2 Qc7 40.Re3 Qc6 41.Qc6 ½–½. Bennett,Hilton – Santoso,Benjamin, South Island–ch NZL, 1997.

4.Bc4 Bg7

5.Ne2 Qe7 6.a3 a6 7.Nbc3 b5 8.Bb3 Bb7 9.0–0 c5 10.bc5 Qc5 11.d4 ed4 12.Qd4 Qd4 13.Nd4 Ne7 14.f4 Nbc6 15.Nd5 Nd5 16.Bd5 Rb8 17.Bc6 Bc6 18.Rfe1 0–0 19.Nc6 dc6 20.Rad1 Rbc8 21.Rd7 Rf7 22.Red1 Rd7 23.Rd7 a5 24.e5 fe5=+ 25.Be5 Be5 26.fe5 Re8 27.Rd6 Re5 28.Rc6 Re3 29.Rc5 Ra3 30.Rb5 Ra2 31.h3 a4 32.Kh2 Rc2 33.Ra5 Ra2 34.h4 Kg7 35.Kh3 Ra3 36.g3 Kh6 37.Kg4 Ra1 38.Kh3 a3 39.Kh2 a2 40.g4 Kg7 41.g5 Kf7 42.Ra7 Ke6 43.Ra5 Kd6 44.Ra6 Kc5 45.Ra8 Kb4 46.Rb8 Kc3 47.Rc8 Kb2 48.Rb8 Kc1 49.Rc8 Kd2 50.Rd8 Ke3 51.Re8 Kf3 52.Rf8? Kg4 53.Ra8 Kh4 54.Ra5 Kg4 55.Kg2 Kf4 56.Kh2 Ke4 57.Kg2 Kf4 58.Kh2 Kg4 59.Kg2 Kh5 60.Kh2 h6 61.gh6 Kh6 62.Kg2 g5 63.Ra8 Kh5 64.Ra5 Kh4 65.Kh2 g4 66.Ra8 g3 67.Kg2 Kg4 68.Ra4 Kf5 69.Ra5 Ke4 70.Ra4 Kd3 71.Ra8 Kc2 72.Rc8 Kd1 73.Rd8 Ke2 74.Re8 Kd3 75.Rd8?? Kc4 76.Rc8 Kd5 77.Rd8 Kc6 78.Ra8 Kb7 79.Ra3 Kb6 80.Ra8 Kb5 81.Rb8 Kc6 82.Rc8?? Kd7 83.Ra8 Ke6 84.Ra5 Rg1 0–1. bratek55 (1660) – irbas, internet, 2011.

5.Nf3+= Ne7 6.d4 d5 7.de5+/– fe5 8.ed5 Bg4 9.0–0 Qd6 10.a3 Nd7 11.Nc3 0–0–0 12.Ne4 Qb6 13.Be2 Nf5 14.c4 (14.c4 Bf3 15.Bf3+– (15.gf3?! g5+=)) 1–0. marre – Stormfrontuk, internet, 2010.

3.e4 Nh6

4.a3 a5 5.b5 Bc5 6.Bc4 Qe7 7.Nc3 c6 8.Qh5+= Nf7 9.Nf3 Bf2=+ 10.Ke2 d5 11.Bd5= cd5 12.Kf2 de4 13.Ne4 Nd7 14.d4 ed4 15.Rhe1 Nde5 16.Ne5 fe5 17.Bd4 g6 18.Qd1 Qh4 19.Kg1+= Bf5? 20.g3?? Qe7= 21.Bc5 Qe6 22.Nd6 Nd6 23.Qd6 Qd6 24.Bd6 Bc2 25.Re5 Kd7+= 26.Bc5 Rhe8 27.Rae1 Re5= 28.Re5 Re8 29.Re8 Ke8 30.Kf2 Ba4 31.Bb6 Bb5= 32.Ba5 Kd7 33.Ke3 Kc6 34.Bb4 Kd5 35.Kf4 Bd3 36.g4 h5 37.gh5 gh5 38.Kg5 Be2 39.h4 b5 ½–½. Larsen,Andreas – Nilsson,Nils Specht (2140), Politiken Cup, Copenhagen DEN (1), 2004.

4.a3 Nc6 5.Bc4 Ne7 6.d4 d5 7.ed5+/– Nd5 8.de5 Be6 9.ef6 gf6 10.Nc3 c6? 11.Nd5 cd5 12.Qh5 Nf7 13.0–0–0 Qe7 14.Bb5 Bd7 15.Bd7 Qd7 16.Re1 Be7 17.Bf6 0–0–0 18.Re7 Qa4 19.Rf7 Qa3 20.Kd1 Qb4 21.Qf5 Kb8 22.Bh8 Qb1 23.Kd2 d4 24.Qc5 (24.Qc5 Qb6 25.Be5 Ka8 26.Qb6 ab6 27.Rf8 Ka7 28.Rd8 b5 29.Bd4 b6 30.Nf3 h5 31.Ra1 Kb7 32.Rd7 Kb8 33.Be5 Kc8 34.Rg7 b4 35.Ra8#) 1–0. Bonetti,Shane – reptile, ICC, 2002.

4.a3 Be7 5.Bc4 c6 6.Qh5 Kf8 7.Qf3 (7.Nc3+=) 7...Ke8 (7...d5 8.ed5 Bg4+/–) 8.d4 d6 9.Ne2 Bg4 10.Qg3 Kf8 11.f3 Bh5 12.0–0 b5 13.Bb3 Qb6 14.Nd2 Nd7 15.Be6 Rd8 16.Qh3 Be8 17.f4 ed4 18.Bd4 c5 19.Be3 Nb8 20.c4 Qc7 21.Nc3 bc4 22.Nd5 Qb7 23.Nc4 Nc6 24.bc5 dc5 25.f5 Nd4 26.Bh6 1–0. Fritz 8 – NN, 2003.

4.b5 b6 5.d4 ed4 6.Bd4 a6 7.Nd2 Bb4 8.c3 Bc5 9.Bc5+/– bc5 10.Qh5 Nf7 11.Qc5 ab5 12.Bb5 Ne5 13.f4 Nbc6?? 14.fe5+– Ne5 15.Ngf3 Ra5 16.Ne5 Ba6 17.Bd7 (17.Bd7 Qd7 18.Nd7 Rc5 19.Nc5+–) 1–0. JFRAY – coolerdude, ChessWorld.net, 2003.

4.Bc4 Bb4 (--> 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 Nh6).

4.Bc4 b5 5.Bb5 Bb4 6.Bc4 Nf7 7.Nc3 0–0 8.Nge2 Ba6 9.Bb3 d6 10.0–0 Nd7 11.a3 Ba5 12.d3 Rb8= 13.Bc1 c6 14.Bd2 Nc5 15.Ba2 Qc7 16.Ng3 Bc8 17.Nh5 Be6 18.Be6 Ne6 19.Qg4 Bc3 20.Bc3 Qe7 21.f4 Nh6 22.Qh4 Rb7 23.Rab1+= Rfb8 24.Rb7 Rb7 25.fe5 fe5 26.Qe7 Re7 27.Rb1 Kf7= 28.Bd2 Ng8 29.g4 Rd7 30.h4 g6 31.Ng3+= Ke7 32.g5 Nd4= 33.Rb8 Rd8 34.Rb7 Rd7 35.Rb8 Kf7 36.Kg2 Nc2=+ 37.a4 Nd4 38.Be3 c5 39.Bd4 cd4 40.Kf2 Rc7 41.Ke2 Ne7=+ 42.Nf1 d5–/+ 43.Nd2 de4 44.Ne4 Nf5 45.Rb5 Nh4 46.Nd6 Ke6–/+ 47.Nc4 Kf5 48.Re5 Kf4 49.Re4 Kg5 50.Rd4 Nf5 51.Rd8 h5 52.Nd2 Kf4–+ 53.Ne4 h4 54.Rg8 Rg7 55.Rh8 Ng3 56.Kf2 Ne4 57.de4 g5 58.Re8 g4 59.e5 g3 60.Kg1 h3 61.e6 Rc7 62.Rf8 Ke5 (62...Ke5 63.e7 Re7–+) 0–1. Weigel,Hans_Juergen (2010) – Davydov,Mikhail (1970), 08sen.NdsEM Bevensen op, 2005.

4.Bc4 Nc6 5.a3 d6 6.Nc3 Bd7 7.Nd5 Nd4 8.Bd4 ed4 9.Qh5 g6 10.Qh4 Bg7 11.Nh3 c6 12.Ndf4 Qe7 13.Ne2 Qe5 14.Bd3 0–0–0 15.f4 Qh5 16.Qh5 gh5 17.Nd4 f5 18.c3 fe4 19.Be2 Bh3 20.gh3 h4 21.Ne6 Rd7 22.b5 d5 23.bc6! bc6 24.Rb1 Re7 25.Ba6!! Kd7 26.Ng7 (26...Rg7 27.Rb7) 1–0. vik – fe02, Internet, 2001.

4.d3 Bb4–/+ 5.Nd2 Bd2 6.Qd2 d5 7.ed5 Qd5 8.Nf3 Bg4 9.Be2 Nc6 10.h3 Bf3 11.Bf3=+ Qd6 12.0–0 0–0 13.a3 Rad8 14.Be4 f5 15.Bc6= bc6 16.Rfe1 e4 17.d4 c5=+ 18.Rad1 cd4 19.Qd4 Qd4–/+ 20.Rd4 Rd4 21.Bd4=+ a6 22.c3 Rb8 23.Bc5 Rb3 24.Bb4 c5 25.Bc5 Rc3 26.Bb4 Rc6 27.Re3 Kf7 28.f3 Re6 29.fe4 Re4 30.Rc3=+ Re6 31.Rc7 Ke8?? 32.Rg7+/– Nf7 33.Rh7 Rh6 34.Rg7 Nd6 35.Ra7 Nb5 36.Ra8 Kd7+/– 37.Rf8 Ke6 38.Ra8 Kd5 39.Rf8 Ke4 40.Kf2 Nc7 41.Rf7 Nd5+= 42.Bd2 Rf6 43.Ra7 Rd6 44.Rh7 Rg6 45.Rh4 Kd3 46.Be1 Ne3 47.Rf4 Rg2=+ 48.Kf3 Rg5 49.Bf2 Nc2 50.a4 Rh5= 51.h4 a5 52.Kg3 Nb4 53.Rd4 Kc3 54.Rd1= Kb3 55.Ra1 Nc2 56.Rc1= Na3 57.Ra1 Ka4 58.Be1 Kb3 59.Kf3?? a4 60.Kf4 Nc2 61.Rb1 Ka2 62.Rc1 Ne1 63.Re1 Rh4 64.Kf5 Rb4 65.Ke5 a3 66.Kd5 Rb1 67.Re8 Rc1 68.Rb8 Rc3 69.Kd4 Rb3 70.Rh8 Rb2 71.Kc3 Rg2 72.Rh1 Rg3 73.Kc2 ½–½. ANZARBOND – jevaisbien, internet, 2010.

4.a3 d5

5.ed5 Qd5 6.Nc3 Qe6 7.Nf3 c6 8.Bd3+= Be7 9.Qe2 Qf7 10.Bc4 Be6 11.Be6+= Qe6 12.d4 Nd7 13.0–0 0–0 14.Rad1 Rfe8 15.Rfe1 Nf5 16.d5 cd5 17.Nd5 Rac8 18.Qd3 Bd6 19.Nf4!+/– e4 20.Ne6 ed3 21.cd3 Ne5 22.Ne5 Re6 23.Nc4 Rce8 24.Re6 Re6 25.g4 Ne7 26.Bd4 Nc6 27.Be3 Be5 28.b5 Nd4 29.Rb1 Nf3 30.Kg2+– Nh4 31.Kh1 Bb8 32.f4 f5 33.h3 Re8 34.b6 a6 35.Rg1 Rd8 36.d4+– Nf3 37.Rd1 g5 38.fg5 f4 39.Bf2 Ng5 40.Bh4 Rc8 41.Na5 Nf3 42.Bf2 Rc2 43.Bg1 Ng5 44.Re1 f3 45.h4 Bg3 46.Rf1 Bh4 47.Nb7 Rc6 48.Be3 Rb6 49.Nc5 Rg6 50.Bg5 Rg5 51.Rf3 Rg4 52.Rd3 ½–½. pierre (2295) – El Skankem (2265), ChessWorld.net, 2005.

5.ed5 Qd5 6.Nc3 Qf7 7.Bb5 Bd7 8.Qe2 Nc6 9.Nf3 Qg6 (9...Nf5 10.0–0=) 10.0–0+= 0–0–0 11.Bd3 f5 (better is 11...Nf5+=) 12.Nh4 (better is 12.Ne5!? Ne5 13.Qe5+/–) 12...Qg5 13.g3 e4 14.Bc4 Nd4 (14...Ng4!? 15.Nd5 Bd6=) 15.Qe3+= Nf3 (15...Qe3 16.fe3 Nc6+= (16...Nc2? 17.Rac1 Na3 18.Ba3+/–)) 16.Nf3+/– Qe3 17.de3 ef3 18.Bd5 Bc6 19.Rfd1 (19.Bc6 bc6 20.Rad1 Rg8+/–) 19...Bd5+= 20.Nd5 Rg8 21.Nf4 Rd1 22.Rd1 g5 23.Ne6 Bd6 24.c4 (24.Nd4 g4+=) 24...Rg6+= 25.Nd4 Be5 (25...g4 26.c5 Be7 27.Nb5=) 26.Bc1 (26.Nf5!? Nf5 27.Be5+=) 26...Rd6= 27.c5 Rd7 28.Rd2 g4 29.Kf1 c6 30.Ke1 Nf7 31.Kd1 (31.Nf5? Bc3 32.Nd4 Bd2 33.Bd2 Ng5–+) 31...Nh6 (31...Bd4 32.ed4 Ng5 33.Rd3–/+) 32.Kc2 Bf6 33.Kb3 Rd5 34.Ne6 Rd2 35.Bd2 Nf7 36.Bc3 Bc3 37.Kc3 Kd7 (37...h6+/–) 38.Nd4 (better is 38.Nf8 Ke7 39.Nh7+/–) 38...Ng5= 39.Kd2 Ne4 40.Ke1 Nc3 (40...a5!?=) 41.Nf5+= h5 (41...Nb1 42.Nh6 Na3 43.Ng4 Nc2 44.Kd2 Nb4 45.Kc3+=) 42.Nd6 (42.Ng7!?+/–) 42...b6+= 43.Kd2 bc5 44.Kc3 cb4 45.ab4 Kd6 46.Kd4 a6 47.Kc4 Ke5 48.Kc5 Ke4 49.Kc4 (49.Kc6 Kd3 50.Kb7 Ke2–+) 49...Ke5 50.Kc5 ½–½. andytop10 (1915) – kupovgeorge (1895), gameknot.com, 2015.

4.b5 c6

5.a4 d5 6.bc6 bc6 7.ed5 cd5 8.d4 e4 9.Nh3 Bh3 10.Qh5= Nf7 11.Qh3 Bb4 12.c3+= Be7 13.Bb5 Kf8 14.Nd2 a6 15.Be2 Ng5 16.Qe3 Nc6 17.0–0+/– Na5 18.Rab1 Kf7 19.h4 Ne6 20.Bg4 g6 21.f3+/– ef3?? 22.Qe6 Kg7 23.Bf3 Ra7 24.Bd5 Rf8 25.c4 Bb4 26.Ne4 Re7 27.Qa6 f5 28.Ng5 Rf6 29.Ne6 Ree6 30.Be6 (30.Be6 Kf8 31.h5+–) 1–0. pierre – leonled, internet, 2008.

5.Bc4 cb5 6.Bb5+= Nc6 7.Nc3 d6 8.Nd5 Bd7 9.Bc4 Na5 10.Bb3 Nb3 11.ab3 Rc8 12.Ra7+/– Bc6 13.Nc3 Qb6 14.Ra2 Be7 15.Qh5 Nf7 16.Qg4 0–0+= 17.Nge2 Ng5 18.0–0 Qc7 19.h4 h5? 20.Qg3 Ne4= 21.Ne4 Be4 22.d3? Bd5 23.c4= Bf7 24.f4 Qb6=+ 25.d4 e4 26.f5 Kh7 27.Rf4 d5=+ 28.c5 Qb5 29.Kf2? Ra8–+ 30.Ra3? Ra3 31.Ba3 Ra8 32.b4 Qd3 (32...Qd3 33.Qd3 ed3–+) 0–1. Baer,Cy (1895) – Rheindt,Stefan (2015), RSS4D easy–36, 2007.

4.Bc4 c6

5.Nc3 Na6 6.a3 Nc7= 7.d4 d5 8.ed5 cd5 9.Bb3 e4 10.Nd5!+/– Bg4 11.Nc7 Qc7 12.f3 Bh5 13.Ba4 Kd8+/– 14.Qe2 a5 15.Qb5 ab4 16.ab4 ef3 17.Nf3 Qe7 18.Kd1 Be8 19.Qd5 Kc8? 20.Re1+– Ba4 21.Re7 Be7 22.Qe6 Kd8 23.b5! Re8 24.Qd5 1–0. Toll,A – Boger,R, Oslo, 1990.

5.Nc3 Bb4 6.Qh5 Ke7 7.a3 =+.

5.Nc3 b5 6.Bb3 Bb7 7.Qh5 g6 8.Qh3 Na6 9.a4 Nf7 10.d3 Bb4=+ 11.Nge2 Nc5 12.0–0 Nb3 13.cb3 a6 14.f4 0–0 15.d4 d6 16.Na2=+ Ba5 17.fe5 fe5 18.Bc1 Bc8 19.Qd3–/+ ed4 20.Nd4 Ne5 21.Rf8 Qf8 22.Qc2 Bb6 23.Be3 Ng4 24.Qe2?? Qf6–+ 25.Rd1 Ne3 26.Qe3 Be6 27.Nc1 Bg4 28.Rd2 Rf8 29.h3 Bh3! 30.gh3 Qf1 31.Kh2 Qc1 32.Qe2 Rf1 33.Nf3 Rf3! (33...Rf3 34.Kg2 Rb3–+) 0–1. thotares (1675) – Wiacheslav, internet, 2007.

5.Nc3 g6 6.a3 Bg7 7.Nf3 Nf7 8.Bf7 Kf7+= 9.d4 d6 10.de5 de5= 11.0–0 Be6 12.Qe2 Nd7 13.Rfd1 Qc7 14.Nd2 b5 15.Nb3 Rhd8 16.Bc1 Bf8 17.Be3 Be7 18.f3 a6 19.Rac1 Nb6 20.Na5 c5 21.Qf2 cb4=+ 22.Nb5 ab5 23.Bb6 Qc3 24.ab4 Bb4 25.Nb7 Rd1 26.Rd1=+ Ra2 27.Nd8+= Ke7 28.Ne6 Ke6=+ 29.f4 Ra1 30.f5 Ke7 31.Qe2 Bc5–/+ 32.Bc5 Qc5 33.Kf1 Rd1 34.Qd1 Qc4 35.Qe2 Qe2 36.Ke2 gf5 37.ef5 Kd6 38.g4 h6 39.Ke3 Kd5 40.h4 b4 41.Kf3 e4 42.Kf4 Kd4–+ 43.g5 hg5 44.hg5 fg5 45.Kg5 e3 46.f6 e2 47.f7 e1Q 48.f8Q Qd2 49.Kg4 Kc3 50.Qc5 Kb2 51.Qc4 Qc3 52.Qe4 Qg7 53.Kh5 (53.Kf3 Qf6 54.Kg4 Qd6=+) ½–½. Koerner,Helmut (1810) – Koenig,Peter (1970), Berlin, 2006.

5.Be5 d5 6.Bb8 dc4 7.Bf4 Nf7 8.a3+= a5 9.ba5 Ra5 10.Nf3 Be7 11.0–0 0–0 12.d4 Bg4 13.Nbd2 b5 14.a4 c3 15.Nb3 Ra4 16.Qd3 Ra1 17.Ra1+= b4 18.Qc4 Kh8 19.Qc6+/– Bf3 20.gf3 Bd6 21.Bd6+– Qd6 22.Qd6 Nd6 23.Ra4 Rb8 24.Na5 Rb6?? 25.Nc4!! (25.Nc4 Rc6 26.Nd6+–) 1–0. Machete (2295) – Batil (1865), ICC, 2003.

5.Qh5 g6 6.Qh4 d5 7.Bb3 de4 8.Qe4 Bf5 9.Qh4 a5 10.ba5 g5 11.Qh5 Bg6 12.Qh3 Na6 13.Qe6 Qe7 14.Ne2? Qe6–/+ 15.Be6 Bc2 16.Bc4 Nb4 17.d4 Bd3 18.Bb3 Ba6 19.Kd2? 0–0–0 20.Na3?? ed4 21.Nc4 c5 22.a3 Nc6 23.Nb6 Kb8 24.Bc4 Na5 25.Ba6 Nb3 26.Kd3 (26.Ke1 Na1 27.Bc4 Ka7–+). Tilp,Andreas – Keller, DDR, 1989.

4.Bc4 Nf7

5.c3 a5 6.Qb3 Nd6 7.Bd3 ab4 8.cb4= Nc6 9.a4 b6 10.Bc3 g6 11.Ne2 Nf7 12.f4 d6 13.Bc4 Qe7 14.Bd5 Bb7 15.0–0 Bh6 16.fe5 de5+/– 17.b5 Na5 18.Bf7 Qf7 19.Qf7 Kf7 20.Be5 Be4 21.Rf6 Ke7 22.Nbc3 Bb7 23.Raf1+– Rhf8 24.Rf8 Rf8 25.Rf8 Kf8 26.Bc7 Nc4 27.d3 Be3 28.Kf1 Nb2 29.d4 Nc4 30.d5 Ke7 31.Ng3 Bd4 32.Nge2 Ne3 33.Kg1 Nd5 34.Nd4 Nc3 35.Bb6 Na4 36.Bc7 Kd7 37.Bg3 Bd5 38.Kf2 Kc8 39.Ke3 Bg2 ½–½. pietshaq (1675) – thotares (1725), internet, 2007.

5.Nh3 Bb4=+ 6.f4 d6 7.f5 c6 8.Qh5 0–0 9.a3 Bc5 10.Nc3 Bd4 11.0–0–0 d5 12.ed5–/+ cd5 13.Bd5=+ Nc6 14.Bc6 bc6–+ 15.Rhf1 Rb8 16.Rf3 Qb6 17.Ba1 Bc3 18.dc3 Qb1 19.Kd2 Rd8 20.Rd3 Rd3 21.cd3 Qb6 22.Qf3 Ba6 23.Nf2–/+ Rd8 24.Kc2 Ng5 25.Qg3 Qa5 26.h4 Qa4 27.Kc1 Nf7 28.Bb2 c5 29.c4 Qb3 30.Qg4 Bb7 31.g3 Bc6 32.Qe2 Ba4 33.g4–/+ h6 34.Rd2=+ Qb7 35.Qe3 Qc7 36.Ne4+= Rc8 37.g5 hg5 38.hg5+/– fg5 39.Ng5 Ng5 40.Qg5 Qc6? 41.Rg2+– Qd7 42.Be5 (42.Be5 Rb8 43.Qg7 (43.Bg7?! Rb1 44.Kb1 Qd3 45.Kc1 Qd1 46.Kb2 Qb3 47.Ka1 Qd1 48.Ka2 Qb3 49.Ka1 Qd1 50.Ka2 Qb3 51.Ka1=) 43...Qg7 44.Rg7 Kf8 45.Ra7+–) 1–0. Bonetti,Shane – reptile, ICC, 2002.

4.Bc4 g6

5.a3 c6 6.Nc3 Bg7 7.Nf3 Nf7 8.0–0 0–0 9.d4 d6 10.de5 fe5 11.h3 Qe7 12.Qe2 Nd7 13.Rfd1 Nf6 14.Bc1 Nh5 15.g4 Nf4= 16.Qf1 Kh8 17.Ne2 Ng5 18.Nf4?? Nf3–+ 19.Kg2 ef4 20.Kf3 Ba1 21.Qd3 Qh4 22.Rh1 Be5 23.Bd2 Bg4! 24.Kg2 f3 25.Kf1 Bh3 26.Ke1 Qg4 27.Bc3 Bg2 28.Rg1 Qf4 29.Be5 Qe5 30.c3 d5 31.Bb3 Rf4 32.Kd1 Re4 33.Bc2 Re2 34.Qd4 Re8 0–1. bratek55 (1710) – waranex (1670), internet, 2011.

5.b5 Qe7 6.Nc3 Qb4 +/–.

5.d4 d6 6.de5 fe5 7.Nf3 Bg4 8.Nbd2 Bg7 9.0–0 Nf7 10.Bf7 Kf7 11.h3 Be6 12.c4 Rf8 13.Qc2 a5 14.b5 b6 15.Rad1 Nd7 16.Bc1 Kg8 17.Rfe1 Nc5 18.Nf1 Bh3!–/+ 19.Ng5 Bd7 20.Ng3 Qe7 21.Qd2 Bh6 22.Qd5 Kg7 23.Nf3 Bc1 24.Rc1 Bg4 25.Re3 Bf3 26.Rf3 Rf3 27.Qa8 Rf8 28.Qd5–/+ Qf7 29.Qf7 Rf7 30.f3 h5 31.Nf1 a4 32.Ne3 Nd3 33.Rc3 Nf4 34.Nd5?? Ne2–+ 35.Kf2 Nc3 36.Nc3 a3 37.Nd5 Kh6 38.Kg3 Kg5 39.Kf2 h4 40.Nc3 Kh5 41.Nb1 Rf8 42.Nc3 g5 43.Nd5 g4 44.Nc7 gf3 45.gf3 Rc8 46.Nd5 Rc4 47.Nb6 Rc2 48.Ke3 Ra2 49.Nc4 h3 50.b6 Rb2! 51.Na3 Rb6 52.Kf2 Rb2 53.Kg3 h2 (53...h2 54.Nc4 Re2 55.Ne5 de5 56.f4 h1Q 57.fe5 Qg2 58.Kf4 Qg4) 0–1. bratek55 (1675) – waranex (1705), internet, 2011.

5.Ne2 Bb4= 6.0–0 d6 7.f4 Nc6 8.a3 Bc5=+ 9.d4 ed4–/+ 10.Nd4 Nf7 11.Kh1=+ Nd4 12.Bd4 Bd4 13.Qd4 Qe7 14.Nc3 Be6 15.Be6+= Qe6 16.Nd5 0–0–0? 17.Qa7+– Kd7 18.Qb7 Rc8 19.f5 gf5 20.ef5 Qe5 21.Nb6 1–0. Jeschke,Holger – Haversick,Axel, Schleswig Holstein–ch cand–A, 1997.

5.h4 c6 6.h5 Bg7 7.hg6 hg6 8.Bb3 Bf8 9.Qf3 Bb4 10.Rh6?? Rh6–+ 11.Be5 fe5?? 12.Qf7 1–0. challl – malaysianisme, net–chess.com, 2003.

3.Nf3 Bb4–/+

4.a4 Nc6 5.c3 Be7 6.e4 d5 7.ed5 Qd5 8.d4 e4 9.c4 Bb4 10.Nbd2 Qa5 11.Nh4? Bd2 12.Qd2–/+ Qd2 13.Kd2 Nge7 14.d5 Na5 15.Ke3 0–0 16.Bc3 Nb3 17.Rb1 Nc5 18.Bb4 b6 19.Bc5 bc5 20.Ke4 Re8 21.Kf3 g5 22.Rb5 gh4 23.Rc5 h5 24.Rc7 Bg4?? 25.Kf4?? Ng6 0–1. iczker – zibim56, internet, 2011.

4.c3 Bc5 5.Qb3 Qe7 6.Ba3 Ba3 7.Na3 Nc6 8.d4 ed4 9.cd4 d6 10.Nb5 a6 11.Na3 Rb8–/+ 12.d5 Ne5 13.Qa4 Bd7 14.Qa5? Nf3 15.gf3–/+ Nh6 16.Qc7 0–0 17.Nc4=+ Rbc8 18.Qb7?? Rc4–+ 19.Qa6 Rfc8 20.e4 Rc1 21.Rc1 Rc1 22.Ke2 Rb1 23.Qa8 Kf7 24.a4 Qe5 25.Qa6 Rb2 26.Ke3 Qc3 27.Bd3 Qd2 28.Kd4 Rb4 29.Qc4 Qf2 30.Kc3 Rc4 31.Bc4 Ba4 32.Ra1 Qc2 33.Kd4 Qb2 34.Kd3 Qa1 35.Ba6 Qf1 36.Kd4 Qa6 37.h4 Bc2 38.f4 Qd3# 0–1. jaunis111 – Rob (1630), internet, 2007.

4.c3 Be7 5.Qb3 d5 6.e4 de4 7.Nh4? Nc6 8.Bc4 Nh6 9.f3?! g5 10.Nf5 Nf5 11.0–0 Na5 12.Bb5 c6 13.g4 Nb3 14.gf5 Qb6 15.Kg2 ef3 16.Rf3 Na1 17.Ba1 Qb5 18.Na3 Qe2 19.Kg3 Ba3 20.c4 h5 21.Ra3 h4 22.Kh3 Bf5# 0–1. yan – Caissa, Live Game Caissa's Web, 2004.

4.c3 Bf8 5.g3 Nc6 6.Bh3 d5 7.Bc8 Qc8 8.Qb3 Qe6 9.Qb7? Rb8–+ 10.Qc7 Rb2 11.Ne5 fe5 12.f4 ef4 13.gf4 Nge7 14.Rg1 Qh3 15.Na3 Qh2 16.Rg5 Qh1 17.Kf2 Qa1 18.Rd5 Qa2 19.Rd8 Nd8 20.d4 Re2 21.Kg3 Rg2 22.Kh4 Nf5 23.Kh5 g6# 0–1. shintaro – Zippy, ICS game, 1994.

4.c4 Nc6 5.e4 b6 6.Bd3 Nge7 7.0–0 0–0 8.Nc3 d6 9.Nd5 Bc5 10.Ne7 Qe7 11.Qe2 Bg4 12.h3 Bd4 13.Bd4? Nd4–+ 14.hg4 Ne2 15.Be2 Qd7 16.Nh4 Qa4 17.g5 fg5 18.Nf5 Qc2 19.Bh5 g6 20.Nh6 Kg7 21.Nf5 gf5 22.ef5 Rf5 23.Bg4 Rf6 24.Bf3 Raf8 25.d3 Qd3 26.Rad1 Qc4 27.Rfe1 Qa2 28.Be4 Qf2 29.Kh1 Rh6# 0–1. Administrator – GNUChess, 2000.

4.Bd4 ed4 5.Nc3 dc3 6.dc3 Bc3 (7.Nd2 Ba1 8.Qa1 Ne7–+) 0–1. legion420 – Caissa, Live Game Caissa's Web, 2004.

4.e3 d5 5.Ne5 fe5–+ 6.Qh5 Kf8 7.Qe5 Nf6 8.c4 Nc6 9.Qf4 Be6 10.cd5 Bd5 11.Nc3 Bf7 12.g4 a5 13.Bg2 Qd7 14.g5 Nh5 15.Qh4 Re8 16.a3 Be7 17.0–0 h6 18.f4 Qd2 19.Ra2 Ba2 (20.Bc6 bc6–+) 0–1. willis – Zippy, ICS game, 1994.

4.e4 (--> 3.e4 Bb4 4.Nf3).

4.Nc3 d5

5.a3 Bc3 6.Bc3 e4 7.Nd4 c5 8.Nb5?? a6–+ 9.e3 ab5 10.Qh5 g6 11.Qh4 Bd7 12.f4 Ra4 13.Be2 d4 14.ed4 cd4 15.Bb2 Qa5 16.0–0 Qd2 17.Bg4 Bg4 18.Qg4 f5 19.Qg5 Nc6 20.Rad1 Qc2 21.Bd4 Nd4 22.Rd4 Rd4 23.Qh4 Rd1 24.Rd1 Qd1 25.Kf2 Qc2 26.Kg3 Qc3 27.Kf2 e3 28.Ke2 Qd2 29.Kf3 e2 30.Qf2 Qd3 31.Qe3 Qe3 (31...Qe3 32.Ke3 e1Q 33.Kd4 Qf2 34.Kc3 Qg2–+) 0–1. Administrator – GNUChess, 2000.

5.e3 Ne7 6.d4 ed4 7.Nd4–/+ c5 8.Bb5 Nbc6 9.Nc6 bc6 10.Ba4?? d4 11.ed4 cd4 12.0–0 dc3 13.Re1 cb2 14.Bc6 Bd7 15.Bd7 Qd7 (16.Qd7 Kd7 17.Rad1 Kc6 18.Re6 Kb5–+) 0–1. quietstorm5 – Caissa, Live Game Caissa's Web, 2004.

3.g3 Bb4

4.Nf3 Nc6 5.c3 Be7 6.h4 e4 7.Nd4 Nd4 8.e3?? (better is 8.cd4 d5 9.Nc3–/+) 8...Nf3–+ 9.Ke2 c6 (better is 9...d5 10.Ba3–+) 10.Rh3 (10.Bg2 Qa5 11.d3 Ne5 12.Be4 d5–+) 10...d5 11.g4 (11.Rh1–+) 11...Bg4 12.Rg3 Nd4 13.Ke1 Bd1 14.Kd1 Qb6 15.Rg7 Qb2 16.Rg8 Rg8 17.Na3 (17.Bg2 Qc2 18.Ke1 Qc1) 17...Qa1 18.Nb1 Qb1 0–1. irock – Caissa, Live Game Caissa's Web, 2004.

4.Bg2 c6 5.a3 Ba5 6.Nc3 d5 7.e3 Nh6 8.Nge2 0–0 9.0–0 Na6 10.f4 Nc5 11.d4 ed4 12.Nd4 Re8–+ 13.Qf3?? Bc3 14.Bc3 Ne4 15.Be1 Bg4 16.Qe4 de4 0–1. coloplayah (2175) – fbershadski (1970), net–chess.com, 2007.

4.Bg2 Nc6 5.Nf3 d5 6.0–0 Bf5 7.a3 Bd6 8.Nc3 Nge7 9.Nh4 Be6 10.Nb5 0–0 11.e3 a6 12.Nd6 Qd6 13.Rb1 b5 14.d3 g5 15.f4?? gh4–+ 16.Qh5 hg3 17.hg3 Bf7 18.Qg4 Kh8 19.c4 bc4 20.dc4 Rg8 21.Qh3 Be6 22.Qh4 (22.Qh4 Bf5 23.Rbd1–+). yaunootz (1615) – Hartur, internet, 2006.

4.Bg2 d5 5.c4 c6 6.cd5 1–0. mbarker (2410) – pushtiu (2245), net–chess.com, 2015.

4.Bg2 f5 5.Be5= d6?? 6.Bg7+– Qg5 7.Bh8 Nc6 8.Nf3 Qh6 9.c3 Ba5 10.0–0 Bd7 11.Qb3 b6 12.Qg8 Qf8 13.Qh7 Qe7 14.Qg6 Qf7 15.Qf7 Kf7 16.Bd4 Nd4 17.Nd4 Re8 18.e3 c5 19.Nb3 Bb5 20.Rc1 d5 21.Bd5 Kf6 22.Na5 ba5 23.c4 Rc8 24.cb5 Ke5 25.Nc3 Rb8 26.a4 Rd8 27.f4 Kf6 28.Bc6 Rd2 29.h4 Rd3 30.Kf2 Kg6 31.Nd5 Kh5 32.Kf3 Rd2 33.Rc5 Rh2 34.Ne7 Kh6 35.Rd1 Ra2 36.Rd6 Kg7 37.Nf5 Kf7 38.Bd5 Ke8 39.Rc8 1–0. coloplayah (2140) – msfnet (1610), net–chess.com, 2006.

4.Bg2 Ne7

5.e4 0–0 6.a3 Bc5 7.Nf3 Nbc6 8.0–0 d5 9.d3 Be6 10.Nc3 d4–+ 11.Na4 Bd6 12.Nh4?? b5 13.Bd4 Nd4 14.Nc3 g5 15.Nf3 Bg4 16.Ne2 Nf3 17.Bf3 Bf3 18.Qd2 Qd7 19.Nc3 Qh3 20.Qg5 fg5 21.Ne2 Qg2 0–1. jgraves – goldbachconjecture (2710), net–chess.com, 2006.

5.e4 Nbc6 6.Qe2 Bc5 7.Qd3 b6 8.Ba3 Nb4 9.Qb3 a5 10.c3?? (better is 10.Ne2–/+) 10...a4–+ 11.Qa4 (11.Qd1 Nd3 12.Kf1–+) 11...Nd3 12.Kd1 Ra4 13.Bc1 Nf2 14.Ke1 Nh1 15.Bh1 Bg1 16.Kf1 Bh2 17.Kg2 Re4 18.d3 Re1 19.Bd2 Bb7 20.Kh2 Rh1 0–1. welshhero – Caissa, Live Game Caissa's Web, 2004.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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