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(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c3

(...)

4...Ba3?? 5.d4?? (better is 5.Na3 Nc6 6.d4+–) 5...Bb2–+ 6.Nd2 Ba1 (6...Bc3?! 7.Rc1 Ba5 8.e3–/+) 7.Qa1 d5 8.g3 0–0 9.Qb2 b6 10.Bg2 c6 11.Ngf3 h6 12.Bf6 Qf6 13.0–0 Nd7 14.Nh4 g5 15.Nhf3 Qf5 16.h4 g4–+ 17.Nh2 Re8 18.e3 Nf6 19.f3 Qd3 20.f4?? Re3 21.Ng4 Bg4 22.Nf3 Bf3 23.Bf3 Rf3 24.Rf3 Qf3 25.c4 Qg3 26.Kh1 Qh4 27.Kg1 Re8 28.Qg2 Ng4 29.Qf3 Re1 30.Kg2 Qh2 0–1. pikelet – rgp, chessworld.net, 2013.

4...Nd5?? 5.cb4+– Nb4 6.Qb3 N4c6 7.Qe3 Qe7 8.Nf3 d6? 9.Bg7 Rg8 10.Qh6 f6 11.Bf6 Qf7 12.Qe3 Qe6 13.Qe6 Be6 14.Nc3 Nd7 15.Bh4 Nb6 16.Ne4 d5 17.Nf6 Kf8 18.Ng8 Kg8 19.e3 Nb4 20.Rc1 (20.Rc1 Rc8 21.a3+–) 1–0. Castlegrande – crome, ChessWorld.net, 2005.

4...Nh5?? 5.cb4+– d6 6.Bd4 Rg8 7.e3 Qg5 8.Be2 f6 9.Bh5 g6 10.Bf3 f5 11.Qa4 c6 12.Nh3 Qe7 13.Nc3 h6 14.Qb3 Rf8 15.b5 c5 16.Bc5 dc5 17.0–0 Qe5 18.g3 a6 19.d4 cd4 20.ed4 Qc7 21.Rfe1 Kd8 22.Rad1 a5 23.d5 Qd6 24.Nf4 b6 25.Ng6 (25.Ng6 Qg6 26.d6+–; better is 25.Ne6 Ke7 26.Nc7 Kf7 27.Na8+–) 1–0. Manners – crome, ChessWorld.net, 2005.

4...Qe7

5.cb4 Qe5=+ 6.Nc3 0–0 7.Nf3 Qe8 8.e3= d6 9.d4 Bg4 10.Be2 a6 11.0–0 h6 12.a4 Nbd7 13.Rc1 c6 14.h3 Bf3= 15.Bf3 d5 16.Re1 Qd8 17.Qb3 Re8= 18.Ne2 Kf8 19.Ng3+= g6 20.e4 Qc7? 21.e5+– Nh7 22.Bd5! Qd8?? 23.Bf7 Re7 24.Bg6 Ng5 25.h4 Nf7 26.Bf7 Rf7 27.e6 Rf6 28.ed7 Qd7 29.Re4 Re8 30.Rce1 Re4 31.Ne4 Re6 32.g3 Re7 33.Qf3 Rf7 34.Qh5 Qd4 35.Qh6 Kg8 36.Re3 Qd1 37.Kg2 (37.Kg2 Qd5 38.Kh3 Qd7 39.g4+–) 1–0. alaamattar (2145) – tommyk (2055), net–chess.com, 2006.

5.Bc7+/– Bd6 6.Bd6 Qd6 7.Nf3 0–0 8.g3 Nc6 9.Bg2 b6 10.Qb3 Bb7 11.0–0 Na5 12.Qa3 Qa3 13.Na3+/– a6 14.Rab1 b5 15.Nc2 Rfe8 16.Nfd4 Bg2+= 17.Kg2 Nc4 18.Rfd1 Re7 19.f3 Rae8 20.Kf2 Nd6 21.Ne3 Nb7? 22.a4+– Nd6 23.ab5 Nb5 24.Nb5 ab5 25.Rb5 d6 26.Rdb1 h6 27.Rb8 Rb8 28.Rb8 Re8 29.Re8 Ne8 30.h4 Nf6 31.c4 Kh7 32.Nf5 Ne8 33.d4 g6 34.Ne7 Kg7 35.e4 Kf8 36.Nc6 Nc7 37.f4 Ke8 38.g4 Kd7 39.Nb4 Ke6 40.f5 gf5 41.ef5 Kf6 42.Kf3 h5 43.Nd5 Nd5 44.cd5 hg4 45.Kg4 Kg7 46.Kf4 f6 47.Kg4 Kh6 48.h5?? Kg7 ½–½. euforia – jbj, internet, 2007.

5.Bc7 Bd6 6.Bd6 Qd6 7.Nf3 Nc6 8.e3+/– 0–0 9.d4 Re8 10.Be2 b6 11.0–0 Bb7 12.c4 Nb4 13.Nc3 Ne4 14.Nb5 Qc6 15.d5 Qf6? 16.Nc7+– Nc3 17.Qd2 Ne2 18.Qe2 Re3 19.fe3 Rc8 20.Nb5 Re8 21.Rab1 Qc3 22.Nc3 a6 23.Rb4 b5 24.cb5 a5 25.Rc4 (25.Rc4 h6 26.Rc7+–) 1–0. Christobal (1690) – IroniteNC, internet, 2005.

4...Bf8

5.d4 d5 6.Nf3 Nc6 7.Bf6 Qf6 8.Nbd2 Bf5 9.Qb3 0–0–0 10.h3 Qe7 11.e3 Qa3 12.Nh4 Be6 13.Bd3 Qb3 14.ab3 Be7 15.Nhf3 Kb8 16.Bb5 Rd6 17.e4 Nd8 18.e5 Rb6 19.Bd3 Rc6 20.Nb1 Bb4 21.Kd2 Be7 22.Kc1 Rb6 23.Nbd2 Nc6 24.Kb1 Bd7 25.g3 Ka8 26.h4 Bg4 27.Ng5 Rf8 28.f3 Bd7 29.Nh7 Re8 30.Ng5 f6 31.e6 Bc8 32.Bg6 Rf8 33.Nh7 Rd8 34.Re1 Bd6 35.f4 Ne7 36.h5 Ng6 37.hg6 Re8 38.f5 Bg3 39.Re3 Bf4+= 40.Re2 Bd2 41.Rd2 Rb3 42.Kc2 Rb5 43.Re2 Kb8 44.Kd3 a5 45.Ra4 Rh8 46.Re3 Rg8 47.Re1 Rh8 48.Re2 Rg8 49.Re3 Rh8 50.Re1 Rg8 51.Rea1 b6 52.Re1 c6 53.Re2 Bb7 54.Re3 Rb2 55.Re1 Ba6 56.Ke3 Rh2 57.Rb1 Bb5–+ 58.Ra3 a4 59.Re1 Rh8 60.Raa1 Kc8 61.Ra3 Kb8 62.Raa1= Kc8?? (better is 62...Rh3 63.Kd2 Rh5–+) 1–0. Fritz 5.32 – EXchess 3.11, 2004.

5.e3 Nc6 6.Bg3 d5 7.h3 Ne4 8.Qf3 Ng3 9.Qg3 Bf5 10.Bb5 Qd7 11.Bc6 Qc6 12.Ne2 0–0–0 13.d4 g6–/+ 14.0–0 Bd6 15.f4 Qb5 16.Re1 Qb2 (16...Qb2 17.e4 de4–+ (17...Qa1?! 18.ef5 Qa2 19.f6–+)) 0–1. Guest7865 – Wall,Bill, internet, 2003.

5.e3 d5 6.Nf3 =.

4...Ba5

5.Na3 0–0 6.Nc4 Nc6 7.Bg3 d5 8.Na5 Na5 9.e3 Ne4 10.Bd3 f5 11.Qh5 Rf6 12.Bh4+/– g5 13.Bg5+– Ng5 14.Qg5 Kh8 15.Nf3 Qd6 16.Nh4 Qe6 17.a3 Nb3 18.Rb1+– Nc5 19.Bf5 Rf5 20.Nf5 Qf5 21.Qd8 Kg7 22.Qc7 Kh6 23.0–0 Ne4 24.Rb4 Qg5 25.f4 Qg6 26.f5! Bf5 27.Qf4 Qg5 28.Qf5 Rg8 29.Qh3 Qh5 30.Qh5 Kh5 31.Rb7 Nd2 32.Rf5 Kg6 33.Rd5 Nc4 34.Ra7 Ne3 35.Rd6 Kf5 36.Ra5 Ke4 37.Rd4# 1–0. Mroz,Antoni – Bogusz,Andrzej, corr Poland, 1985.

5.Na3 Qe7 6.Nc4 Nc6 7.Bf6 Qf6 8.Na5 Na5 9.e3 d5 10.Qa4 Nc6 11.Be2 a6 12.Nf3 0–0 13.0–0 Bd7 14.Qc2 Bg4 15.d4 Bf5 16.Bd3 Ne7 17.Rfe1 g6 18.e4 Bg4 19.e5 Qf4 20.Be2 Nf5 21.Qd2 g5 22.Qf4 gf4 23.Nd2 Be2 24.Re2 h5 25.Nf3 Rae8 26.Rae1 Re6 27.h4 Nh6 28.Ng5 Rf6 29.ef6 Ng4 30.Nh3 Nf6 31.Nf4 Ne4 32.Nd5 Nc3 33.Nc3 f5 34.Re8 Re8 35.Re8 Kf7 36.Rc8 1–0. derkaiser2 – bishop61, gameknot.com, 2009.

5.Qb3 Nc6 6.f4 Ne5 7.fe5= Ng4 8.Nf3?? 0–0 9.d4 Ne3 10.g3 d6–+ 11.Nbd2 de5 12.Ne5 Be6 13.Qb2 Nf1 14.Rf1=+ f6 15.Nef3 b6 16.Ne4 f5 17.Neg5 Bd5–/+ 18.h4 Re8 19.Ne5 c5 20.Rf5? cd4–+ 21.Rc1 dc3 22.Rc3?? Bc3 23.Qc3 Ba2?? 24.Nc6?? Qc7 25.Qc2 Qg3 26.Kd2?? Qe3 27.Kd1?? Bb3 28.Rf3 Qg1 29.Kd2–+ Bc2 30.Kc2 Qc5 (30...Qc5 31.Kd2 Qc6–+; 30...Re2 31.Kb3 Qd1 32.Kc4 Qa4 33.Kd3 Qb5 34.Kc3 Qc6 35.Kb3 Qd5 36.Ka3 Ra2 37.Kb4 a5 38.Kc3 Rc8) 0–1. Cleopatre – Griefor, internet, 2007.

5.c4 0–0 6.e3 d5 7.Nf3 Nc6 8.Bb2 Bf5 9.Nc3 d4 10.ed4 Re8 11.Be2 Bd3 (11...Nd4?! 12.Nd4 Qd4 13.0–0–/+) 12.d5 (12.0–0 Bc3 13.Bd3 Bb2–+) 12...Bc3 13.Bc3 Be2 14.Qe2 Re2 15.Ke2 Qe7 16.Kd1 Nb4 17.Re1 Qd7 18.Bb4 Qa4 (18...Qa4 19.Ke2 Qb4–+) 0–1. Rush,Bradley – Cimicki,Dariusz, ZL–2011–0–00912, 2011.

5.d4 Bc3?? 6.Nc3+– 0–0 7.Nf3 d5 8.e3 Re8 9.Bb5 c6 10.Bd3 Qa5 11.Bf6 Qc3= 12.Ke2 gf6 13.Qc1 Qc1 14.Rhc1 b5 15.a4+= f5? 16.ab5+– Bb7 17.Bf5 cb5? 18.Rab1 Na6? 19.Rb5 Rab8 20.Rcb1 (20.Rcb1 Bc6 21.Ra5 Rb1 22.Bb1+–) 1–0. jacksrking – jboger (1985), net–chess.com, 2009.

5.d3 Nc6=+ 6.Bf4 Nd5 7.Bd2 0–0 8.Qb3 Nde7 9.g3 d6 10.Bg2 Bb6 11.Nf3 a5 12.a4 Be6 13.Qc2 d5 14.Ng5 Bd7 15.d4 Bf5 16.e4 Bg6 17.h4 de4 18.Be4 Re8 19.Be3 Nd5 20.Nd2? Be4 21.Nge4 f5 22.Ng5 Ne3 23.fe3–/+ Re3 24.Kf2 Nd4 25.cd4=+ Qd4 26.Qa2 Rb3=+ 27.Ke1 Qe3 28.Kd1 Rd8 29.Rh2 c5 30.Re2 Qg3 31.Rc1 g6 32.Qa1 Qf4–/+ 33.Rc2 Qh4 34.Qa2 c4–+ 35.Rc4 Rd2 36.Qd2 Rb1?? 37.Kc2= Qc4 38.Kb1 Qb3 39.Ka1 Qa4=+ 40.Qa2 Qa2–/+ 41.Ka2 Bc5 42.Kb3 b6 43.Kc4 h6 44.Ne6 Ba3 45.Kb5= Bc1 46.Nc7 h5 47.Nd5 Kg7 48.Kb6 a4 49.Rc2 Bg5 50.Ra2 a3 51.Ra3+/– Kh6 52.Kc5 h4 53.Kd4. Andersson,Lars H – Fernandez Oliva,P, corr ICCF III–720, 1991.

5.e3 Qe7 6.Bf6 Qf6 7.Nf3 0–0 8.Na3 c6 9.Rb1 d5 10.Bd3 Bg4 11.h3 Bf3 12.Qf3 Qf3 13.gf3 b5 14.Rg1 Nd7 15.Nc2 Rfe8 16.Nd4 Ne5 17.Bf5 Bb6 18.f4+= Bd4 19.fe5 Be5 20.Rb4?? h5 21.Rg5 g6 22.Bd7= Re7 23.Bc6+/– Rb8 24.Bd5 Kg7 25.Bc6 f6 26.Rg2+/– a6 27.a4 1–0. jboger (1985) – jacksrking, net–chess.com, 2009.

5.e4 d6 6.Bd4 c5 7.Bf6+= Qf6 8.Nf3?? Bg4 9.Be2 Nd7 10.h3 Bh5 11.0–0 0–0 12.Na3 Rfe8 13.Nb5? a6–+ 14.Na3 Re4 15.d3? Bc3 16.Rb1?? Ree8 17.Nc4 d5 18.Na3 Bg6 19.Rb7 Ne5 20.Ne5 Qe5 21.Bf3 Bd4 22.Nc2–/+ Qf5 23.Bg4 Qd3–+ 24.Qd3? Bd3 25.Nd4 cd4 26.Rd1–/+ Be4 27.Rd4 Rac8?? 28.Ra7?? Rc2 29.Ra6=+ g6 30.Bd7 Re7 31.Ra8 Kg7=+ 32.Bg4 (32.Bg4 h5 33.Bd1=+; 32.Rd8 Rc1 33.Kh2 Rc7=). badboy1221 – Pulsar, Live Game Caissa's Web, 2006.

5.f3 Nc6 6.Bf6 Qf6 (worse is 6...gf6 7.e4=) 7.Nh3 d5 8.e3 (8.Nf2!?–/+) 8...Bh3–+ 9.gh3 Qh4 10.Ke2 0–0–0 11.Kd3? (11.Qc2 g6 12.Rg1 h5–+) 11...Nb4?? (better is 11...d4 12.Kc2 de3–+) 12.cb4?? (better is 12.Ke2 Na6 13.Rg1–/+) 12...Qc4 0–1. pikelet – jaddwarrior, chessworld.net, 2012.

5.Nf3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 0–0 5.c3 Ba5).

5.Nf3 d5 6.e3 c5 7.Bb5 Bd7 8.Qa4 Nc6 9.Bd6 (Better is 9.Bf6 gf6 10.0–0=) 9...a6 10.Bc6 Bc6 11.Qb3?? (11.Qf4 Ne4 12.Be5–+) 11...Qd6–+ 12.0–0 c4 13.Qb2 0–0 14.Nd4 (14.d3 cd3 15.Rd1 d4 16.cd4 Ng4–+) 14...Ne4 15.f3 Nc5 16.a4 Bc7 17.g3 Nd3 18.Qc2 Bd7 19.e4 b5 20.ed5 Qd5 21.Na3 Bh3 22.Rfd1 Bb6 23.ab5 Qf3 24.Nc4 Qg2# 0–1. slavisa3 – Usuukamadeek, Live Game Caissa's Web, 2004.

5.Nf3 Qe7 6.Bf6 Qf6 7.Qa4 Nc6 8.e3 0–0 9.Bb5 Bb6 10.d4 a6 11.Bd3 d6 12.Nbd2 Bf5 13.Qc2 Bd3 14.Qd3 Rfe8 15.0–0 Rad8 16.Ne4 Qg6=+ 17.Nfd2 d5 18.Nc5 Bc5 19.Qg6 hg6 20.dc5 Na5 21.Rab1 c6 22.Rb4+= f5 23.g3 Re7 24.Rfb1 Rdd7 25.Kf1 Kf7 26.Ke2 Kf6 27.Ra4 Nc4 28.Nc4 dc4 29.Rc4 g5 30.Rd4 Rd4 31.cd4+– g4 32.f3 Kg5 33.Re1 Rd7 34.f4 Kf6 35.Kd3 g5 36.Kc4 Re7 37.Re2 gf4 38.gf4 Kg6 39.Kd3 Re4 40.h3+– gh3 41.Rh2 Re7 42.Rh3 Kg7 43.Kc4 Kg6 44.Kb4 Re8 45.Ka5 Re7 46.a4 Kf6 47.Kb6 (47.Kb6 Kg7 48.Rh5+–) 1–0. Bakker,RG – Van Geemen,Jan, corr, 1980.

5.Bf4 Nc6 6.Nf3 d6 7.e3 Bg4 8.d4 0–0 9.Bg5 h6 10.Be2?? Bf3 11.gf3 hg5 12.Rg1 Nh7 13.Qc2 Qf6 14.Bd3 g6 15.Nd2 d5 16.h4 gh4 17.0–0–0? Kg7 18.f4 Rae8 19.Nf3 b5 20.Rh1 b4 21.c4 dc4 22.Qc4 Re3?? 23.fe3+– b3 24.ab3 Rb8 25.Kc2 Rb4 26.Qc5 Qe6? 27.d5 Qf6 28.Qc6 Qe7 29.Nh4 Rb3 30.Ng6! Qb4 31.Rh7! Kh7 32.Rh1 Kg7+= 33.f5?? Rb2 34.Kd1 Qd2# 0–1. slavisa99 – SgtPepper, Live Game Caissa's Web, 2004.

5.Bg3 0–0 6.Nf3 d5 7.Qc2 Ne4 8.Bh4 g5 9.Bg3 Nc6 10.e3 Bf5 11.d3 Ng3 12.hg3 Qf6 13.Nbd2 Bc3–+ 14.Rb1 Nb4 15.Rb4 Bb4 16.Nd4 Bg4 17.f3 Rae8 18.fg4 Qd4 (18...Qd4 19.e4 de4–+) 0–1. colinwebb – nitousche, ChessWorld.net, 2004.

5.g3 Nc6 6.Nf3 0–0 7.Bg2 d5 8.d4 Ne4 9.Qc2 Bg4 10.Bf4 Bf5 11.Qb3 Rb8 12.0–0 Re8 13.Rc1 Qd7 14.Nfd2 Nc3!–/+ 15.Nc3 Nd4 16.Qb2 Bc3 17.Rc3 Ne2 18.Kf1 Nc3 19.Qc3 Rbc8 20.Qd4 b6 21.Nb3? Bh3 22.Rd1 Rcd8 23.Kg1 Bg2 24.Kg2 c5 25.Qd2 d4 (25...d4 26.Kg1 Qc6–+) 0–1. Brunner,Hermann – Meisinger,Peter (1710), DESC, 2000.

5.Na3 Nc6

6.Nf3 0–0 7.Nc4 d6 8.Bf6 Qf6 9.g3 Be6 10.Na5 Na5 11.Bg2 c6 12.0–0 Rfc8 13.Qa4 Nc4 14.Qb4 Qe7 15.d4 a5=+ 16.Qa4 b5 17.Qc2 Rab8 18.a3 Re8 19.e3 f5 20.Nh4 Qd7 21.a4 g5 22.Nf3 h6 23.ab5 cb5 24.Nd2 a4? 25.d5+/– Bf7 26.Nc4 bc4 27.Ra4 Rb3 28.Rc4+– Reb8 29.h3 Rb2 30.Qd3 Kg7 31.Qd4 Kg6 32.e4 Re8 33.Rc6 f4 34.c4 Re2 35.c5 (35.c5 Kh7 36.Rd6+–; better is 35.Qd3 R2e4 36.Be4 Kg7 37.gf4 gf4+–) 1–0. bonaparte (2155) – inspector (2330), net–chess.com, 2008.

6.Nf3 d5 7.Qa4 0–0 8.e3 Ne4 9.Bb5 Ne5 10.Ne5 Qf6 11.Nf3 Nc3 12.Qa5–/+ Nb5 13.Rc1 Qb2–+ 14.Rb1 Qa3 15.Qb5 Qa2 16.0–0 c6 17.Qc5 Qa6 18.Qe7 Qd3 19.Ne5 Qd2 20.Qd6 f6 21.Rfd1 Qe2 22.Nf3 a5 23.Nd4 Qh5 24.Qe7 Re8 25.Qd6 Qe5 26.Qc5 a4 27.Ra1 Bg4 28.Rdb1 Qe7 29.Qc2 a3 30.h3 Bh5 31.Nf5 Qd7 32.Qd3 Bg6 33.g4 Bf5 34.gf5 b5 35.Kg2 Qe7 36.Rc1 Qd6 37.Qc2 Rec8 38.Rab1 b4 39.Qb3 c5 40.Rd1 0–1. Comet B25 – Crafty 19.01, 2004.

6.Nf3 Ne5 7.Ne5 0–0 8.g3 d5–/+ 9.Bg2 Bb6 10.0–0? Qe7–+ 11.Nf7 Rf7 12.e3 Qa3 13.f4 Bg4 14.Qe1 Re8 15.h3 Bf5 16.Kh2 Be4 17.Rg1 c6 18.g4 Bg2 19.Rg2 Ne4 20.g5 Qd6 21.d3 Nc5 22.Rd1 Rf4! 23.Qg3 Re3! 24.Qe3 Rf3 25.Kh1 Re3 26.h4 Rh3 27.Kg1 Nd3 28.Kf1 Qf4 (28...Qf4 29.Ke2 Qf3 30.Kd2 Qg2#) 0–1. jolaw (1605) – berlinwall (1910), internet, 2007.

6.Bf6 Qf6 7.Nc4 0–0 8.Na5 Na5 9.e3 d5 10.Qf3 Qd6 11.Rb1 Nc4 12.Bc4 dc4 13.Rb4 Rd8 14.Qe2 Bf5 15.Nf3 Bd3 16.Qd1 b6 17.Rb2 Qg6 18.Rg1 Qd6 19.Rh1 c5 20.Qa4 a6 21.Qa3 b5 22.Ng5 Rab8 23.Nf3 Rd7 24.Qa5 Rbd8 25.a4–/+ Qg6 26.ab5? Qg2 27.Qd8 Rd8 28.Rg1 Qf3 29.Rg7 Kg7 30.ba6 Qe2 0–1. Fritz 5.32 – Fritz 8, 2004.

6.Bg3 d5 7.e3 Ne4 8.Nf3 Ng3 9.hg3 Qe7 10.Qa4 Bd7 11.Bb5 Qc5 12.Nd4 Bb6 13.Bc6 bc6 14.Rb1 0–0 15.Nac2 Qd6 16.Qa6 Qg6 17.Rb2 Rab8 18.Nb4 c5 19.Nd5 Qd6?? 20.Qd3+/– h6 21.Nf3 Bc6 22.c4 Rfd8 23.e4 Bd5 24.Qd5 Qg6 25.Qf5 Qf5 26.ef5 Re8 27.Kd1 Ba5 28.Rb8 Rb8 29.Kc2 Rb4 30.d3 Ra4+= 31.Kb3 Rb4 32.Ka3 Rb6 33.Ka4 Bc3 34.Rc1 Bd4 35.Rc2 h5 36.Re2 Kf8 37.Ne5 Ke7 38.g4 Ra6 39.Kb5 Rb6 40.Ka5 Bc3 41.Ka4 hg4 42.Ng4 Kd6 43.f4 Rb4 44.Ka3 a5 45.Ne5 f6 46.Ng6 a4 47.Nf8 Kc6 48.Ne6 Kd6? 49.Ng7 Bd4 50.Ne6 Bc3 51.g4 Kc6 52.g5 Kd6 53.g6 Rb1 54.g7 Rb8 55.Rg2 Rg8 1–0. Fritz 6 – EXchess 3.11, 2004.

6.Bg3 Ne4 7.Nc4 d5 8.Na5 Na5 9.Qa4 c6 10.e3 b5 11.Qc2 Bf5 12.d3 Ng3 13.hg3 Qf6 14.Be2 Rb8 15.g4 Bg6 16.Nf3 0–0 17.g5 Qe7 18.Qd2 Rfc8 19.Rc1 Nb7 20.Rb1 Re8 21.Nd4 Nd8 22.a4 Qg5 23.ab5 cb5 24.g4 Ne6 25.f4+= Nf4 26.ef4 Qg4 27.Kd1 Qd7 28.Ra1 Ra8 29.Ra6 Bf5 30.Rh4 Bg6 31.Bf3 Qe7 32.Rh3 Qd7+/– 33.Rh2 Bf5 34.Nf5 Qf5 35.Rd6 Rad8 36.Qe3 Qc8 37.Rd8+/– Rd8 38.d4 Qc4= 39.Rh5 Qf1? 40.Kd2 Qb1 41.Bd5 Qb2 42.Kd3 Qb1 43.Ke2 Qc2 44.Qd2 Qg6 45.Bf3 a6 46.Qd3 Qe6 47.Kd1 Qb3 48.Ke1 Qe6 49.Be4 h6 50.Re5 Qd7 51.Qe3 Re8 52.Qh3 Re6?? 53.d5 Re5 54.Qd7 Re4 55.Kd2 Rf4 56.Qc8 Kh7 57.Qa6 Rf2 58.Ke3 Rc2 59.Kd3 Rc1 60.Qb5 g5 61.c4 Rd1 62.Ke2 Rd4 63.Ke3 Rd1 64.Qc6 Kg7 65.c5 h5 66.Ke4 g4 67.Qd6 Rf1 68.Qd8 Kg6 69.Qg8 Kf6 70.Qf8 Kg6 71.Qc8 f5 72.Ke3 Rf3 73.Kd4 Rf4 74.Kd3 h4 75.Qe6 Kg5 76.Qe3 g3 77.Ke2 Kg4 78.c6 Re4 79.Qe4! fe4 80.c7 g2 81.c8Q Kg3 82.Qc7 Kh3 1–0. Fritz 8 – Fritz 6, 2004.

5.Na3 d5

6.e3 Nbd7 7.Bf4 Ne4 8.Nf3 0–0 9.Rb1 Ndf6 10.Bd3 Qe7 =+.

6.e3 Nbd7 7.Bg3 Ne4 8.Nf3 0–0 9.Rb1 Ndf6 10.Be2 Ng3 =+.

6.Nf3 0–0 7.e3 Qe7 8.Qa4 Bb6 9.d4 Ne4 10.Qb3 Bf5 =+.

6.Nf3 Nbd7 A) 7.Bg3 0–0 8.e3 Ne4 9.Be2 Qe7 10.Nc2 Ng3=+; B) 7.Bf4 Ne4 8.e3 0–0 9.Be2 Ndf6 10.0–0 Nh5=+.

6.e3 0–0

7.Rb1 Bb6 8.Nf3 Nbd7 9.Bf4 Re8 10.Be2 Nf8 =+.

7.Rb1 Nbd7 8.Bf4 Nc5 9.Nf3 Bf5 10.Nc2 Rb8 =+.

7.Rb1 Nbd7 8.Bg3 a6 9.Nf3 b5 10.Nd4 Bb6 11.Nac2 Ne4 12.Ne2 Qf6 13.f3 Ng3 14.hg3 Nc5 15.Nf4 Bb7 16.Nb4 Rad8 17.Qc2 g6 18.Be2 Ne6 19.Nbd3 Ng7 20.Nf2 Nf5 21.Ng4 Qg5 22.Nh5 Rd6 23.Nhf6!+– Rf6 24.f4 Qg4 25.Bg4 Ng3 26.Rh3 Ne4 27.d3 Nc5 28.Kd2 h5 29.Bh5 gh5+/– 30.Qd1 Bc8 31.Rh5 Kg7 32.Rg5 Rg6 33.Qh5 Na4 34.Rh1 Re8 35.e4 de4 36.f5 Bf5 37.Rf5 (37.Rf5 Rg2 38.Ke1 ed3 39.Kf1 Rf2 40.Rf2 Re1 41.Kg2 Rh1 42.Rf7 Kg8 43.Qg6 Kh8 44.Qg7#) 1–0. Buss,Michael – Mongilutz,Jack, USCF96P108 Indianapolis, 2003.

7.Rb1 Nbd7 8.Bg3 Nc5 9.Nf3 Bf5 10.Nc2 Nfe4 11.Be2 c6 12.0–0 Ng3 13.fg3 Be4 14.Nfd4 Bb6 15.d3 Bg6 16.Qd2 Re8 17.Rf2 f6 18.Nf5 Qc7 19.Nh4 Bf7 20.Bg4 Ba5 21.Nd4 Na4 22.Rc1 c5 23.Ne2 Rad8 24.Nf5 Be6 25.Qc2 Bd7 26.Rcf1 g6–/+ 27.Nh6 Kg7 28.Rf6 Kh6 29.Rf7 Re3 30.Qc1 d4 31.R1f3 Bg4 32.cd4 Rde8 33.Re3 Qf7 34.Re7 Kg7 35.Rf7 Kf7 36.Qc4 Kf8 37.Qa4 Bd2 38.Nf4 g5 39.Nd5 (39.Nd5 Re1 40.Kf2 Re2 41.Kf1 Re1 42.Kf2 Re2 43.Kf1 Re1 44.Kf2=) 1–0. Buss,Michael – Pagni,Carlo Alberto, ICCFTT/4/90Final (year?).

7.Rb1 Qe7 8.Bf6 Qf6 9.Bd3 c6 10.Nc2 Nd7 =+.

7.Rb1 Re8 8.Nf3 Bb6 9.d4 Ne4 10.Qc2 Ba5 =+.

7.Nf3 Nc6 8.Bf4 Nh5 9.Bg5 f6 10.Bh4 Bb6 =.

7.Nf3 Nbd7 8.Bf4 Bb6 9.Be2 Nh5 10.Bg5 f6 =.

5.Qa4 Bb6

6.Qf4 Nc6 7.Bf6 Qf6 8.Qf6 gf6 9.Na3 Ne5 10.d4 Ng6 11.Nc4 d5 12.Nb6 ab6 13.e3 c6 14.c4 Be6 15.c5 bc5 16.dc5 Ra5 17.Be2 Rc5 18.Nf3 Ra5 19.Nd4 Ke7 20.0–0 Rha8 21.Rfb1 Bc8 22.Rb2 Kd6 23.Bd3 b5 24.Bf5 Bf5 25.Nf5 Ke5 26.Nd4 Kd6 27.Nf5 Ke5 28.g4 c5–/+ 29.f4 Ke6 30.Ng3 Nh4 31.Nh5 Rg8 32.h3 f5 33.g5 h6 34.e4? fe4 35.Nf6 Rg6 36.Nh7 Rg7 37.Nf6 hg5 38.fg5 Rg5 39.Ng4 f5 40.Kh2 fg4 41.Kg3 Nf5 42.Kf4 Rg7 43.hg4 Nh4 44.Rh1 Nf3 45.Kg3 Ne5 46.a4 Rg4 47.Kh3 Ra7 (48.ab5 Rh7#) 0–1. cagey – binzel, Live Game Caissa's Web, 2004.

6.Bf6 Qf6 7.Nf3 0–0=+ 8.e4 Re8 9.Bd3 Nc6 10.0–0 d6 11.Re1 Bd7 12.Qc4?? Bg4 13.h3?? Bf3 14.gf3 Qf3 15.Qd5 Qf2 16.Kh1 Qe1 17.Kg2 Qf2 (17...Qf2 18.Kh1 Qg1) 0–1. Manners – Castlegrande, ChessWorld.net, 2005.

6.Qh4 Nc6 7.Bf6 Qf6 8.Qf6 gf6 9.d4 d5 10.Nd2 Bd7 11.0–0–0 0–0–0 12.e4 de4 13.Ne4 f5 14.Nf6+/– Ne7 15.Nf3 Ng8? 16.Nd7+– Rd7 17.Ne5 Re7 18.Bc4 f6? 19.Nf3?? Nh6+/– 20.Rhe1 Re1 21.Re1+– Ng4 22.Be6 Kb8 23.Rf1 f4 1–0. supertimchan (2075) – minn (2000), net–chess.com, 2003.

5.Qa4 Nc6

6.Qb5 Bb6 7.Nf3 Qe7 (7...Bf2!? 8.Kf2 Ng4 9.Ke1 Nge5 10.Ne5 Qg5–/+) 8.d4 a6 9.Qd3 Ne5 10.de5 (10.Ne5!? d5 11.Nd2+=) 10...Ng4–/+ 11.e3 Ne5 12.Qe4 Nf3 13.gf3 Qe4 14.fe4 d6 15.Rg1 g6 16.Nd2 Be6 17.Bc4 Ba5 18.Rc1 b5 19.Be6 fe6 20.Nb3 Bb6 21.c4 c5 22.Nd2 Ba5 23.cb5 Bd2 24.Kd2 ab5 25.Rb1? (better is 25.Rc2–+) 25...Ra2 26.Kc1 b4 27.Rd1 (27.Rb2 Ra1 28.Rb1 Rb1 29.Kb1 Kd7–+) 27...Ke7 (27...Rf2!? 28.Rd6 Rh2 29.Re6 Kd7 30.Rf6–+) 28.Rd2 Rd2 29.Kd2 Ra8 30.Kd3 (30.Rb2 Ra4–+) 30...Ra3 31.Kc4 Kd7 (31...Kf6!? 32.Rd1 Rc3 33.Kb5–+) 32.Kb5 Kc7 33.Rd1 b3 34.Kc4 (34.e5 d5 35.Kc5–+) 34...b2 35.Rb1 Kc6 36.Rb2 (36.Rd1 b1Q! 37.Rd6 Kd6 38.e5 Kc6 39.f4 Qd3) 36...d5 37.ed5 ed5 0–1. Vinsot,Serge – Fournier,Frederic, Match Active, 1999.

6.d4 b6 7.Qb3 d6 8.Bf6=+ Qf6 9.Nf3 Bg4 10.h3? Bf3–/+ 11.gf3 Nd4–+ 12.Qb2 0–0 13.e3 Nf3 14.Kd1 c6 15.Be2 b5 16.Nd2 Nd2 17.Qd2 Bc3 18.Qd3 Ba1 19.Bf3 Qf3 20.Kd2 Qh1 (20...Qh1 21.Qf5 Rae8–+) 0–1. Manners – theblizzard, ChessWorld.net, 2005.

6.Nf3 Ne5 7.Ne5 c5 8.Nc4 Bc7–/+ 9.Ne3 0–0 10.Na3 d5 11.c4 d4–+ 12.Nec2 Ne4 13.Nb5? Ba5 14.e3 Bd2 15.Ke2 Bg4 16.f3 d3 17.Kd1 Bc3 18.Rc1 Nf2 0–1. madidog – Gervie, ChessWorld.net, 2005.

6.Qf4 d5 7.Bf6= Qf6 8.Qf6 gf6 9.g3 Be6 10.Nh3 d4 11.e3 dc3 12.dc3 Bd5 13.Rg1 Ne5 14.Bg2 Nf3 15.Bf3 Bf3 16.Kd2 0–0–0 17.Kc1 Rd6 18.a4 Rhd8 19.Ra2 Rd1–/+ 20.Rd1 Rd1 21.Kb2 Rh1 22.Nf4 Rh2 23.Kb3 Bd1 24.Kc4 c6 25.Nd3 Ba4–+ (25...Ba4 26.Nc5 Bb5 27.Kb3 Bb6–+) 0–1. Fortsch – Kreuzer,Uwe, corr BdF FRG–ch I, 1979.

6.Bf6 Qf6 7.Qe4 Ne7 8.g4 Qb6 9.Nf3 Qb2 10.Qa4 Qa1 11.Qb5 Qa2 12.d3 a6 13.Qe5 Qb1 14.Kd2 Qb2 15.Kd1 Bc3 16.Qf4 d5 17.Qa4 Bd7 18.Qf4 Qb1 19.Qc1 Ba4# 0–1. Chad's Chess V015 – Amyan148, computer chess game, 2001.

5.Qc2 d6

6.Bf6 Qf6 7.e3 0–0 8.Bd3 h6 9.Ne2 Nc6 10.Nf4= Bb6 11.0–0 Ne5 12.Bh7 Kh8 13.d4 Nc6 14.a4 g6 15.Bg6+= fg6 16.Ng6 Kg8 17.Nf8 Qf8 18.a5+/– Na5 19.Ra5! Ba5 20.Qa2 Kh7 21.Qa5 Qg7 22.Qa2 h5 23.Qe2 Qg6 24.f3 d5 25.Nd2 Qc2+/– 26.c4 dc4+= 27.Qc4 Qd2= 28.Qf7 ½–½. Junger,Uli – Larisch,Rolf, GER–chT U20 Germany, 1978.

6.Bg3 d5 7.h3 Ne4 8.Be5 f6 9.Bh2 Bf5 10.d3 Nc3 11.Nc3 d4 12.Rc1 Bc3–+ 13.Kd1 Nc6 14.e3 Nb4 15.Qa4 Bd7 16.Qb3 Qe7 17.a3–/+ Be6 18.Qa4 Nc6 19.Ne2 Bb2 20.Rb1= Qa3 21.Qa3 Ba3 22.Rb7 de3 23.fe3 0–0 24.Nf4 Bf7 25.g4? Rab8 26.Rb8 Rb8 27.d4 Rb2 (28.Nd3 Ra2–+; 27...Rb1 28.Ke2–+) 0–1. Halperin,Stephen Julius – Angermann,Immo Frank, IECG, 1998.

5.d4 0–0

6.e3 d5 7.Nf3 Bf5 8.Bd3 Bd3 9.Qd3 Nbd7 10.0–0 Ne5 11.Ne5 Re8 12.Nd2 c6 13.f4 Qe7 14.Rac1 Rad8 15.Rf3 Ne4 16.Rh3 f6 17.Ne4 fe5 18.Nc5 e4 19.Qd1 Bb6 20.Na4 Bc7 21.Qh5 g6 22.Rg3 b5 23.Nc5 Bd6 24.Nb3 Qg7 25.Qe2 Rf8 26.Rf1 Rf5 27.Ra1 Ba3 28.Rf1 Rdf8 29.Rh3 ½–½. Kuni,Richard (1700) – Wittal,Werner (1700), TT–02 TSC, 2002.

6.e3 d6 7.Bf6 Qf6 8.Bd3 c5 9.Ne2 Nc6 10.0–0 Bc7 11.Nf4 Ne7 12.Qf3 Kh8 13.Be4 Rb8 14.Nd2 Rd8 15.Nd5 Qf3 16.Nf3 Nd5 17.Bd5 f6 18.e4 b5 19.Rab1 Ba6 20.Rfd1 c4 21.Bc6 Bb7 22.d5+= Bc6 23.dc6 Re8 24.Nd4 a6= 25.f3 Kg8 26.a4+= ba4 27.Ra1 Bb6 28.Ra4+/– Rec8 29.Rc4 Rc7 30.Kf1 Rbc8 31.Nf5+– g6 32.Nd6 Ra8? 33.Rb1 Rb8 34.Rcb4 Rc6 35.Nc4 a5 36.Rb6 Rbb6 37.Nb6 Rc3 38.Nd5 Ra3 39.Rb7 Ra1 40.Kf2 a4 41.Nf6 Kf8 42.e5 Ra2 43.Kg3 a3 44.e6 Re2 45.Rf7# 1–0. Stefanova,Milena (1995) – Videnova,Iva (2055), Ch Bulgaria (juniors), 2006.

6.Nf3 d5 7.Bf4 c5 8.e3 Nc6 9.Bd3 (9.dc5 Ne4 10.Nfd2 Qf6=+) 9...Re8 (9...cd4!? 10.ed4 Re8 11.Be3 Ng4–/+) 10.0–0 Bg4 (10...c4 11.Bc2=+) 11.h3 Bh5 12.g4 Bg6 13.Bg6 hg6 14.Qc2 Rc8 15.Qa4 a6 16.Rc1 b5 17.Qb3 Ne4 18.Nfd2 cd4 19.Ne4 Re4 20.cd4 Nd4! 21.ed4 Rf4 22.Rc8 Qc8 23.Qd5?? Qc1 24.Kg2 Qb2 25.Nd2 Qd2 26.Rf1 Rd4 27.Qa8 Rd8 28.Qa6 Bb6 29.Qb6=+ Qd5 30.f3 Qa2–+ 31.Kg3 Rd2 32.Qb8? Kh7 33.Qb5 Rg2 34.Kh4 f6 35.g5 fg5 36.Qg5 Rg5 37.Kg5–+ Qc4 38.Rg1 Qd5 39.Kg4 Qf5 40.Kg3 g5 41.Kf2 Qf4 42.Rg4 Qh2 43.Ke3 Kh6 44.h4 gh4 45.Re4 Qg1 46.Kf4 Qc1 47.Kf5 (47...Qg5 48.Ke6–+) 1–0. slavisa11 – MrsX, Live Game Caissa's Web, 2004.

5.d4 Nc6

6.e3 d6 7.Bf6 Qf6 8.Bd3 Be6 9.Qf3 0–0–0 10.Qf6 gf6 11.Nf3 Rhg8 12.Bh7 Rg2 13.Bd3 Rdg8 14.h4 Kb8 15.h5+/– Rh8 16.Kf1 Rg4 17.Ke2 Rgg8 18.h6+– Rg2 19.Ne1 Rg4 20.Rh2 Rg1 21.Kd2 Bd5 22.h7 Rg4 23.f3 Rg7+/– 24.Rh5 f5 25.Bf5 Be6 26.Bd3 f5 27.d5 Bf7 28.Rf5 Ne7 29.Rf6 Nd5=+ 30.Rh6 Bb6 31.Nc2 Rg2 32.Be2 Bg6 33.Nba3 Ba5–/+ 34.Rg6 Bc3–+ 35.Kd3 Rg6 36.Rh1 Rg7 37.f4? Bf6–+ 38.Bf3 c6 39.Bd5=+ cd5 40.Nb4 d4 41.Nd5= Bd8 42.Kd4 Rd7 43.Nc4+= b5 44.Rb1 a6 45.a4 Rhh7 46.ab5 a5 47.b6+– Rh5 48.Na5 Bh4 49.b7 Rd5 50.Kd5 Bf2 51.Nc6 Kc7 52.b8Q 1–0. Fritz 6 – Comet B50, 2004.

6.Bf6 Qf6 7.e3 0–0 8.Bd3 Re8=+ 9.Ne2 d5 10.0–0 Bf5 11.Ng3 Bg6 12.Bg6+= Qg6 13.Qb3 Ne7 14.Na3 Bb6 15.c4 c6 16.c5+= Bc7 17.Qb7 Bg3 18.hg3 Nf5 19.Qb1 Re6 20.Nc2 Rae8 21.Ne1 h5 22.Nd3+/– ½–½. Szeligowski – Paulsen,Dirk, Boulder, 1993.

6.Bf6 Qf6 7.e3 0–0 8.Bd3 Qg5 9.Qf3 d6 10.Nh3 Qg4 11.Qg4 Bg4 12.Nf4 Ne7 13.h3 Bd7 14.0–0 Rfe8 15.Be4 c6 16.Bd3 d5 17.c4 Bc7 18.Re1 Bf5 19.Be2 Bf4 20.ef4 dc4 21.Bc4 Rad8 22.Rd1 Ng6 23.g4 Be4 24.f5 Nf4 25.h4? Bf3–+ 26.Rc1 Rd4 27.Na3 Ne2 28.Be2 Rg4 29.Kh2 Be2 30.Rab1 Rh4 31.Kg3 Ra4 32.Rc3 b6 33.Re1 h5 34.f4 c5 35.f6 h4 36.Kh4 Rf4 37.Kg3 Rf6 38.Nc4 Rfe6 39.Rb1 f5 40.Kf2 Bc4 41.Rc4 Re2 42.Kf3 g5 43.Rb3 Ra2 44.Rb5 Rae2 45.Rb3 Kf7 46.Rd3 0–1. Fritz 5.32 – Fritz 8, 2004.

6.Bf6 Qf6 7.e3 d5 8.Bd3 =+.

5.d4 d5

6.Qa4 Nc6 7.e3 0–0 (7...a6 8.Nf3+=) 8.Bb5= Ne5 9.Qa5 (9.de5 c6 10.ef6 cb5 11.Qb5 Re8=) 9...Ng6+= 10.Nf3 Ne4 11.Bd3 b6 12.Qa3 Bg4 13.Nbd2 Nd2 14.Nd2 Qg5 15.h4 Qf6 16.g3 Rfe8 17.h5 Qg5 (17...Ne7 18.h6 g6 19.Rh4+=) 18.Nf1 (18.Bb5 Bh5 19.Be8 Re8 20.Qa6= (20.Qa7? Re3 21.Kf1 Be2 22.Kg2 Rc3–+)) 18...Bh5–/+ 19.Bb5 Re7 20.Bc6 Rd8 21.Qa7 Bf3 22.Rh2 f5 23.Nd2 Bg4 (23...Qg4!? 24.Qa6 f4 25.Nf3 Qf3 26.gf4 Re6=) 24.Bd5+/– Kh8 25.c4 (better is 25.Bb7+/–) 25...Re3–/+ 26.Kf1 Rc3 27.f4 Nf4! 28.gf4 Qf4 (28...Qf4 29.Kg1 Qd4 30.Kh1 Rd5 31.cd5 Qd5 32.Kg1 h6–+) 0–1. Stefanov,Plamen (2185) – Deschamp,Guy (2370), IECG, 2006.

6.e3 0–0 7.Nf3 Re8 8.Qa4 c6 9.Bf6+/– gf6 10.Bd3 Be6 11.Qc2 h6 12.Nbd2 Nd7 13.0–0 Qe7 14.Rfb1 b5 15.a4 a6 16.Re1 Qf8 17.e4 de4 18.Be4 Qd6 19.ab5 ab5 20.Bf5 Nb6 21.Be6 Re6 22.Re6 Qe6 23.Nb3 Na4 24.Na5 Ra5 25.Qd2 Kg7 26.c4 Ra8 27.cb5 cb5 (27...cb5 28.Re1 Qd5+/–). Cornacchini,Gabriele – Gaudreau,Eric, IECC, 1998.

5.d4 d6

6.Bf6 Qf6 7.Qa4 Nc6 8.e3 0–0 9.Bb5 Bd7 10.Ne2 (10...Bb6 11.Nd2=+). Roldan,Antonio Jose – Weenink,Jan Willem, M–2233.2, 1998.

6.Bf6 Qf6 7.e3 0–0 8.Bd3 Bf5 9.Ne2 Re8 10.Qa4 Nc6 11.Bb5 Bb6 12.Ng3 Bd7 13.Bd3 Rad8 14.Qc2 Nd4 15.cd4 Bd4 16.Bh7 Kh8 17.Ne4 Re4 18.Be4 Ba1 19.Qc7 d5 20.Bf3 Be5 21.Qa5 b6 22.Qd5 Be6 23.Qb5 Bc3 24.Kf1 Rc8 25.Qh5 Kg8 26.Be4 Bb4 27.g4 g6 28.Qh3 Rc1 29.Kg2 Rh1 30.Kh1 Qf2 31.Qg3 Qe2 32.Qf3 Qe1 33.Kg2 Ba2 34.Qf1 Qf1 35.Kf1 Bc4 36.Kf2 a5 (36...a5 37.h4 a4–+) 0–1. Baer,Werner – Kuni,Richard, TSC, 2002.

6.Bf6 Qf6 7.e3 Bf5 8.Qb3 Bb6 9.Nd2 Nc6 10.e4 Nd4 11.cd4 Qd4 12.0–0–0 Be6 13.Bc4 Ke7 14.Ngf3 Qc5 15.Kb1 Bc4 16.Nc4+– a5 17.e5 d5? 18.Nb6 cb6 19.Rd5 Qf2 20.Rhd1 Rhd8 21.Qa3 Ke8 22.Qa4 Ke7 23.Rd7 (23.Rd7 Rd7 24.Rd7 Ke8 25.Rb7 b5 26.Qb5 Kf8 27.Qc4 Qf1 28.Qf1 Re8 29.Qc4 Re7 30.Rb8 Re8 31.Qc5 Kg8 32.Re8#) 1–0. Stefanova,Milena (2035) – Hristova,Hristina (1920), Pleven BUL Women Ch (qualifier), 2006.

5.e3 0–0

6.Bd3 Nc6!? 7.Bf6 Qf6 =+.

6.Bd3 Nc6 7.Bg3 d5 8.f3 d4 9.Ne2 de3 10.de3 Qe7 11.Bf2 (11.Kf2 Rd8–/+) 11...Ne5 12.Bc2 Be6 13.0–0 Rad8 14.Qc1 Bc4 15.Re1 Be2 16.Re2 Nd3 17.Bd3 Rd3 Exerts pressure on the isolated pawn 18.c4?? (better is 18.e4–/+) 18...Rfd8–+ 19.Re1 (19.Na3 Ra3 20.e4 Rad3–+) 19...Qe5 (better is 19...Be1 20.Qe1 Rd1 21.Nc3 Re1 22.Re1–+) 20.Na3 Be1 21.Be1 Ra3! 0–1. Haessler,Carl (2200) – Foster,Raleigh Francis (1990), Western States op, 2006.

6.Bd3 Nc6 7.Bg3 d5 8.Nf3 Re8 9.Qa4 Bb6 10.0–0 Ne4 11.Nd4 Nc5 12.Qc2 Nd3 13.Qd3 Ne5 14.Qc2 c5 15.Ne2 d4 16.cd4 cd4 17.Nd4 Bd4 18.ed4 Qd4 19.Nc3 Bd7 20.Rab1 Bc6 21.Rfe1 Rad8 22.Ne4?? (better is 22.Be5 Re5 23.Re3+=) 22...Nd3–+ 23.Ng5 Re1 (23...Ne1?! 24.Qh7 Kf8 25.Qh8 Ke7 26.Qh5–+) 24.Re1 Ne1 25.Qh7 Kf8 26.Bh4 (26.Be5 Qd5 27.Qg7 Ke8 28.Nh7 Qg2 29.Qg2 Ng2 30.d4–+) 26...Qa1 (26...Ng2?! 27.Nf3 Nh4 28.Nd4 Rd4 29.d3–+) 27.Qh8 Ke7 28.Ne4 Ke6 29.Nc5 Kd5 30.Qd8 Kc5 31.Qg5 Kc4 32.Qf4 Qd4 33.Qf7 Bd5 34.Qc7 Kd3 35.Qg3 Ke2 36.Bg5 Nf3! 0–1. Jaramillo,Carlos Orlando (1915) – Mercado,Luisa Fernanda (2055), Dosquebrad COL, Open, 2013.

6.Bd3 d5 7.Nf3 Nbd7 8.Bg3 Nc5 9.Bc2 Nce4 10.0–0 Ng3 11.fg3 c5 12.d4 Qe7 13.Qd3 c4 14.Qd2 Bc7 15.a4 Re8 16.Na3 Bd6 17.Nb5 Bb8 18.Rae1? (Better is 18.a5–+) 18...a6 19.Bb1 (19.Ng5 h6 20.e4 hg5–+ (< 20...ab5 21.e5 Ng4 22.Nf3–+)) 19...ab5 20.ab5 Bd7 21.b6 Ra6 22.Qc2 Rb6 23.Ne5 (23.Nd2 Bc6 24.Rf6 Rb1 25.Qb1 Qf6 26.e4 de4 27.Nc4–+) 23...Be5 24.Rf6 Rb1! 25.Rff1 Re1 26.Re1 Bd6 27.Qf2 Qe4 28.Rf1 Qe3 29.Kh1 Qf2 (30.h3 Qf1 31.Kh2 Qe1 32.h4 Bg3) 0–1. uniquegambit – marekt, 2004.

6.Bd3 d5 7.Bf6+= gf6 8.Qh5 f5 9.Bf5 Bf5 10.Qf5 +/–.

6.Bd3 d5 7.Bf6+= Qf6 8.Qh5 g6 9.Qd5 Nc6 10.Qf3 Qd6 11.Bc2 Ne5= 12.Qe2 c5 13.Nf3 Bg4 14.h3 Bf3–/+ 15.gf3 Qc6 16.Be4= Qd7 17.f4 f5 18.fe5 fe4 19.Qc4 Qf7 20.Na3 Qc4 21.Nc4+= Bc7 22.Rb1 b6 23.Ke2 Rae8 24.Rhf1 Be5= 25.Ne5 Re5=+ 26.f3 Rf3 27.Rf3= ef3 28.Kf3 Rf5 29.Ke2 Kf7 30.Rf1 Rf1 31.Kf1 c4 32.Ke2 Ke6 33.d3 cd3 34.Kd3 Ke5 35.a4 g5–/+ 36.e4 h5–+ 37.Ke3 g4 38.h4 a6 39.Kd3 g3 40.Ke3 g2 41.Kf2 g1Q 42.Kg1 Ke4 43.Kf2 Kd3 44.Kf3 Kc3 45.Kf4 b5 46.ab5 ab5 47.Kg5 b4 48.Kh5 b3 49.Kg6 b2 50.h5 b1Q 51.Kg7 Qb7 52.Kg6 Qe4 53.Kf6 Qh7 (53...Qh7 54.Kg5 Qg7 55.Kf5 Qh6–+) 0–1. Szeligowski,Paul – Geczy, Boulder CO USA, 1992.

6.d4 Nc6 7.Bf6 Qf6 8.Bd3 Re8 9.Ne2 d5 10.Qb3 A) 10...Qg5 11.0–0 b6 12.Nf4 Ne7 13.Qc2 Ng6 14.Bb5 Rd8=; B) 10...Rd8 11.Nd2 Bg4 12.0–0 Rab8 13.Rfe1 b5 14.Qc2 h6+=; C) 10...Bf5 11.Bf5 Qf5 12.Qb7 Rab8 13.Qc6 Re6 14.Qa4 Rb1=; D) 10...Qd6 11.0–0 a6 12.Nf4 Ne7 13.c4 dc4 14.Bc4 Qf6=.

6.d4 Nc6 7.Bf6 Qf6 8.Bd3 Re8 9.Ne2 d5 10.Qc2 h6 11.0–0 Be6 12.Nd2 Rad8 13.Ng3 g6 14.e4 de4 15.Nde4 Qg7 16.h4 Bd5 17.Ne2 Be4 18.Be4= Qf6 19.g3 b5 20.a3 Ne7 21.Rab1 c6 22.a4 a6 23.ab5 cb5 24.Qa2 Bc7 25.Rb2 Nc6 26.Bg2 Na5 27.Nf4 Nc4 28.Nd5 Rd5 29.Bd5 Nb2 30.Qb2 Kg7 31.Ra1 g5 32.h5 Qf5 33.Bc6+/– Re6 34.Bd7+– (34.Bd7 Qd5 35.Be6 Qe6 36.Qa2+–; 34.Ra6 Qh3 35.Qa1 Bg3–/+) 1–0. Hebels,Albert – Oomen,Ali M J G, corr NLD–ch20, 1990.

6.d4 d5 7.Bd3 Nbd7 8.Nf3 Ne5 9.Ne5 c5 10.0–0 Be6 11.f4 (11.Qf3 Qd6=) 11...Rb8 12.h3 Re8 (12...c4 13.Bc2+=) 13.Qf3 (13.Bb5 Re7+=) 13...Qb6 14.g4? (14.Rf2 Qd6–/+) 14...c4 (14...cd4 15.cd4 Qb2 16.f5–+) 15.Bc4? (better is 15.f5 cd3 16.fe6 Qe6 17.Nd3 Qe3 18.Kg2–+) 15...dc4–+ 16.Rf2 (16.g5 Bd5 17.Qe2 Ne4–+) 16...Bd5 17.Qe2 (17.Nd7 Bf3 18.Nb6 Bd5 (worse is 18...Bb6 19.Rf3 Ba5 20.a3–+; worse is 18...ab6 19.Rf3 Ne4 20.a4–+; 18...Re3?! 19.Nc4 Re1 20.Rf1 Rf1 21.Kf1 Bc3 22.Nc3–+) 19.Nd5 Nd5–+) 17...Ne4 (better is 17...Qd8 18.Nc4 Bc4 19.Qc4 Re3–+) 18.Nc4 (18.Nd7 Qh6 19.Nb8 Nf2 20.Kf2 Qh4 21.Kf1 Qh3 22.Kf2 Qh4 23.Kf1 Rb8 24.Qf2 Qg4 25.Ke1–+) 18...Bc4 19.Qc4 Nf2 20.Kf2 Qb2 (20...Qb2 21.Qe2 Qa1–+) 0–1. Baer,Cy (1895) – Schneider,Hans (2345), remoteschach.de, 2007.

6.d4 d5 7.Bf6 gf6 8.Bd3 +/–.

6.d4 d5 7.Bf6 Qf6=+ 8.Bd3 Bf5 9.Ne2 c6 10.0–0 Bc7 11.Ng3 Bg6 12.Qc2 Qh4 13.Nd2 Nd7 14.Rab1 b6 15.Nf3 Qe7 16.c4 dc4 17.Bg6+= hg6 18.Qc4 c5 19.dc5 Nc5 20.Qg4 Rfd8 21.Rbd1 Rd6 22.Rd6 Qd6 23.Ng5 Rd8 24.Qc4 Qd5 25.Qd5 Rd5 26.Nf3 Rd3 27.Ne2 Ra3 28.Nc1 Nd3 29.Nd3 Rd3 30.g3 Bd6 31.Rc1 Bc5 32.Kf1 Kf8 33.Ke2 Rd6 34.Rc4 Ke7 35.Ra4 a5 36.Rc4 Bb4 37.Nd4 Bc5 38.Nb3 Bb4 39.Nd4 Bc5 40.Nb5 Rc6 41.Nd4 (41.h4 Kd7 42.Kd3 Rf6+=) ½–½. Bennet,Hilton Petrie – Machet,Richard, AUS op Canberra, 2000.

6.d4 d6 7.Bg3 c5 (7...Bf5 8.Bd3 Qd7 9.Ne2+=) 8.Bd3 Bg4 9.f3 Be6 10.Ne2 Nd5 11.Qd2 Nc6 12.0–0 Qg5 13.f4 Qf6 (13...Qe7 14.e4 Nc3 15.Nbc3 cd4 16.f5 dc3 17.Nc3=) 14.f5 Bc8 (14...Bd7 15.e4 Nb6 16.Qf4 cd4 17.Qd6 dc3 18.Qf6 gf6 19.Nbc3+=) 15.e4+= Nb6 16.Nf4 Qh6 17.dc5 dc5 18.Nd5 Qd2 19.Nd2 Rd8 20.Bc7 Bc3 (20...Rd7 21.Bb6 ab6 22.Nc4+/–) 21.Bd8+/– Ba1 22.Ra1 Nd8 (22...Nd5!? 23.ed5 Nd8+/–) 23.Nb6+/– ab6 24.Nc4 Bd7 (24...Ra6 25.Rb1 b5 26.Rb5+/–) 25.Nb6+/– Ra3 26.Nd7 Rd3 27.Nc5 Rd2 28.a3 f6 29.Rb1 Rc2 30.Rd1 (30.Rd1 Rc5 31.Rd8 Kf7 32.Rd7 Kf8 33.Rb7 Rc1 34.Kf2 Rc2 35.Kf1 Rc1 36.Ke2 Rc2 37.Kf3 Rc3 38.Kf4 Ra3 39.g3+/–) 1–0. Taulien,Hans_Juergen (2350) – Schiller,Wilfried (2380), RSL4, 2006.

6.Qf3 c5 7.Bd6+= Re8 8.Bc5 Nc6 9.Bb5 Ne4= 10.Bc6 dc6 11.Ba3 Qh4 12.g3 Qg5 13.Ne2 Bg4 14.Qg2 Be2 15.Ke2 Qb5 16.Ke1 Qd3 17.Qf1 Qc2–+ 18.Qe2 Rad8 (19.g4 Nc3 20.Nc3 Bc3–+) 0–1. Van Esbroeck – Zylla,Johannes, corr 3GMM–33, 1995.

6.Qf3 Nc6 7.Bf6 Qf6 8.Qf6 gf6 9.Nf3 d5 10.Bb5 Ne5 11.d4 Nf3 12.gf3 c6 13.Bd3 Be6 14.Kd2 Rac8 15.Ke2 c5 ½–½. Reussner,Hans Dieter – Becker,Tim, DESC, 2000.

6.Qf3 d6 7.Bf6 Qf6 8.Qf6 gf6 9.Na3 d5 10.h4 Nd7 11.Nb5 a6 12.Nd4 Ne5 13.Be2 c5 14.Nb3 Bb6 15.d4 cd4 16.cd4 Nc4 17.a4 Na5 18.Nd2+/– Bf5 19.g4 Bc2 20.Ra2 Rac8 21.Bf3 Rfd8 22.Ne2 Bd3 23.0–0 Nc4 24.Nb3 Bc7 25.Rc1 Nb6 26.Nc5 Bc4 27.Kg2?? Ba2–/+ 28.Nb7 Re8 29.Nc5? Bc4 30.Nc3 Bd6 31.a5 Bc5 32.dc5 Nd7 33.c6 Rc6 34.Ne2 Ne5 35.Nd4 Rcc8 36.h5 Nf3 37.Kf3 Bd3 (37...Bd3 38.Ra1 Rc3–+) 0–1. Kruchinin,Anatoly V – Driamin,Dmitriy (2265), RUS–Cup Nizhniy Novgorod, 1999.

6.Nf3 d5 7.d4 Ne4 8.Qb3 Nc6 9.Bg3 Ng3 10.hg3 Ne7 11.Bd3 h6 12.Nbd2 c6 13.Qc2 Ng6 14.0–0 Bc7 15.e4 b6 16.e5 c5 (16...Qe8 17.Rac1=) 17.Rfe1 (17.c4 Bb7+=) 17...Ne7= 18.Nh4 (18.dc5 bc5 19.c4 Bb6=) 18...a6 19.dc5 bc5 20.f4 (20.c4!?=) 20...c4–/+ 21.Bf5 Bb6 22.Kf1 Nf5 23.Nf5 Be6 24.Nd4 Bg4 25.N2f3 Qc8 26.f5 a5 27.Nh2 Bd4 28.Ng4 Bc5 29.Rad1 Rb8 30.Ne3 Be3+= 31.Re3 Re8 32.Rde1 Rb6+= 33.Rb1 Qc7 34.Rb6 Qb6 35.Re1 Qc5 36.Qd2 Rd8 37.Qd4 Qc7 38.Kf2 Kf8 39.g4 Qb7 40.Qc5 Kg8 41.Qa5 Ra8 42.Qb4 Qa7 43.Kf3 Qa2 44.Qb1 Qd2 45.Qc1= Qg5 46.Qg5+= hg5 47.Ke3 Kf8 48.Re2 Ke7 49.Kd4+– Rd8 50.Rb2 f6 51.e6 Rh8 52.Rb7 Kd6 53.Rd7 Kc6 54.Rd5 Rh4 55.e7 Rg4 56.Ke3 Rg3 57.Kf2 Rc3 58.Rd8 Rc2 59.Ke1 Kc5 60.e8Q Kb4 61.Rb8 Kc3 62.Qe3 1–0. Champion,William R (1840) – Duncovich,Mark (1755), ICCF, 2007.

6.Nf3 Re8 7.Na3 d5 8.Bb5 c6 9.Be2 Nbd7 10.Bd6 Ne4 11.Bb4 Bb6 12.Nc2 Ndf6 13.0–0 a5 14.Ba3 Bc7 15.h3 Bb8 16.Bb2 a4 17.a3 Qd6 18.Ncd4 Bd7 19.d3 Ng5 20.h4 Nf3–/+ 21.Nf3 Bg4 22.Re1 Bf3 23.Bf3 Qh2 24.Kf1 Qh4 25.c4 dc4 26.dc4 Qc4 27.Be2 Qe6 28.Bf3 Be5 29.Rb1 Bb2 30.Rb2 b5 31.Qc1 Ra6 32.Rc2 Ne4 33.Rd1 f5 34.Be4 fe4 35.Rcd2 Rf8 (35...Rf8 36.Rd6 Qf7–+) 0–1. Unger,M – Ruether,R, corr SOK–96–112, 1996.

6.Nf3 Re8 7.Be2 Nc6 8.Bg3 d5 9.0–0 Ne4 10.Qc2 Bf5 11.Bd3 h6 12.Ne1 Qf6 13.f3 Ng3–/+ 14.hg3 Bd3 15.Qd3 Qg5 16.Kf2 Ne5 17.Qe2 Bb6 18.Nd3 Nc4 19.Nf4 Ne3! 20.de3 Re3 21.Qe3 Be3 22.Ke3 Qg3 23.Nd3 Re8 24.Kd2 c5 25.Kc1 c4 26.Nb4 Qg2 27.Nd2 d4! 28.Kc2 dc3 29.Kc3 Re3 30.Kc2 c3 31.Rfd1 cd2 32.Rd2 Qg6 33.Nd3 Qc6 34.Kb2 Qb5 35.Kc2 Qc4 (35...Qc4 36.Kd1 Rd3–+) 0–1. Musiani,Carlo – Vocaturo,Daniele, Cortina d'Ampezzo, 2002.

6.Qf3 Ne8

7.Bd3 Nc6 8.Qe4 g6 9.Bf4 =.

7.Bd3 d5 8.Ne2 c5 9.0–0 Nc6 10.Bf4 Nf6 11.h3 Be6 (11...Qe7 12.Bc2+=) 12.Bc2+= Qd7 13.Rc1 (13.Na3 Ne4 14.Nc4 b5 15.Na5 A) worse is 15...Na5 16.Rfd1+= (worse is 16.Be4 de4 17.Qe4 Nc4+=); B) 15...Nd2=) 13...Rac8 14.Na3 a6 (14...Ne4 15.Ng3 f5 16.Qe2+=) 15.Ng3+= b5 16.Bg5 Ne5 17.Qe2 Ne4 18.Ne4 de4 19.Be4 f5 20.Bb1 Ng6 21.Nc2 (21.e4!?=) 21...Bc4–/+ 22.d3 (22.Qe1 h6 23.Bf4 Bd5+=) 22...Bf7 (22...Bd3 23.Qd2 h6 24.Ne1–/+) 23.Ne1 (23.Qd2 Qd6+=) 23...Qd6 (23...h6 24.Bf4 Nf4 25.ef4–/+) 24.g3 (24.e4!?+=) 24...h6–/+ 25.Bf4 Nf4 26.ef4 Rfe8 27.Qb2 Qf6 28.Ng2 b4 29.Ne3 bc3 30.Qe2 Bb6 31.Bc2–/+ c4 32.dc4 Bc4 33.Bb3 Bb3 34.ab3 Rc6 35.Rc2 Be3–/+ 36.fe3 Rb8 37.Rb1 Qe7 38.Qf3 Rc5 39.e4 Qe4 40.Qe4 fe4 41.Kf2 a5 42.Ke3 a4 43.b4 Rc4–+ 44.b5 Kf7 45.f5 Ke7 46.g4 Kd6 47.b6 Kc5 48.b7 Kc6 49.Rbc1? Rb7 50.Rc3 Rc3 51.Rc3 Kd5 52.Kd2 Rb2 53.Kc1 Rb3 54.Rc7 a3 55.Rd7 Kc4 56.Rc7 Kd3 57.Rd7 Ke2 58.Kc2 a2 59.Ra7 Rd3 60.Kb2 Rd2 61.Ka1 e3 62.Rg7 Kf1 0–1. Stefanov,Plamen (2425) – Perry,Dan (2455), WCCC32SF02 ICCF, 2008.

7.Bd3 d5 8.Ne2 c5 9.Na3 +=.

7.Bd3 d5 8.Ne2 c6 9.c4 (9.Bf4 Nd7 10.Nd4 Nc5–/+) 9...Nd7–/+ 10.Bb2 (10.Bd4 c5 11.Bc3 dc4 12.Bc4 Bc3 13.Nbc3 Ne5+=) 10...Qb6 (10...Nc5 11.Bc2 dc4 12.Ba3–/+) 11.Ba3 (11.Bd4 Qa6–/+) 11...Nef6 12.Qf4 (12.Qg3 Nc5 13.Bc5 Qc5–/+) 12...Re8 13.Bc2 (13.cd5 Ne5 14.Bc2 Nd5–/+) 13...Ne5 (13...Qa6 14.0–0 Ne5–+) 14.c5 (better is 14.cd5!? Nd5 15.Qh4–/+) 14...Qa6–+ 15.Bb2 Bc7 (15...Nh5 16.Qe5 Re5 17.Be5–+) 16.Qb4 (16.f3 b6 17.Qb4 bc5 18.Qc5 Nfd7–+) 16...b6 (16...Bg4 17.Nbc3 Ba5 18.Qd4–+) 17.Be5 bc5 18.Qc5 Be5 19.d4 Bc7 20.h3 Rb8 21.Kf1? (21.Nd2 Bd7–+) 21...g6 (21...Re6 22.a4–+) 22.Qc3 (22.a4 Ba5 23.Qa3 Bb4–+) 22...Bf5 (22...Ba5!? 23.Qa3 Bb4 24.Qb3–+) 23.Bf5 gf5 24.g3 Ne4 25.Qc2 c5 26.Kg2 cd4 27.Nd4 Bg3 28.fg3 Qg6 29.g4 (29.Rg1 Rec8 30.Qe2 Qg3 (30...Ng3?! 31.Kf3 Ne2 32.Rg6 hg6 33.Ne2+=) 31.Kh1 Rc1 32.Rc1 Nf2 33.Qf2 Qf2–+) 29...fg4 30.h4?? (better is 30.Rg1–+) 30...Qd6 31.Ne2 Rec8 32.Nbc3 Rc3! 33.Nc3 Qg3 34.Kf1 Qf3 35.Kg1 Qe3 36.Kg2 Qg3 37.Kf1 Qf3 38.Kg1 Rc8 39.Rh2 Qe3 40.Rf2 g3 (40...g3 41.Nd1 Rc2 42.Ne3 gf2 43.Kg2 Re2–+; 40...Nc3?! 41.Qd2 Qd2 42.Rd2–/+; 40...Rc3 41.Qb2 Kg7 42.Qe2–+) 0–1. yulio (1970) – angeloyoung (2250), gameknot.com, 2014.

7.Bd3 d5 8.Ne2 Nd7 9.Qd5 c6 10.Qe4 g6 11.Bc2 Ne5 12.Qe5 Bc7 13.Qd4 Qg5 (13...Qe7 14.0–0+=) 14.0–0= c5 15.f4 cd4 16.fg5 de3 17.de3 Nd6 18.Nd2 Bd8 19.Nf3 Bg4 20.Ned4 (20.Nf4 Bf3 21.gf3 Bg5=) 20...Re8+= 21.Rae1 (21.Rfe1 Ba5 22.Ba4 Re7+=) 21...Rc8–/+ 22.e4 Rc3 23.Bb3 (23.e5 Bb6 24.Kh1 Nc4–/+) 23...Bb6 (23...Ne4 24.Nd2 Bf5 A) 25.Nf5? Bb6 (25...gf5?! 26.Bf7 Kf7 27.Ne4=) 26.Kh1 Nf2 (26...gf5?! 27.Bf7 Kf7 28.Ne4=) 27.Kg1 Nd3 28.Ne3 Ne1 29.Bf7 Kg7 30.Be8 Be3 (30...Re3?! 31.Bb5–+) 31.Kh1 Bd2 32.Rf7 Kg8 33.Rb7 a5–+; B) 25.Bf7 Kh8 B1) 26.Nf5? Bb6 27.Kh1 Nf2 28.Kg1 Nd3 29.Ne3 Ne1 30.Be8 Be3 (30...Re3?! 31.Bf7–/+) 31.Kh1 Bd2–+; B2) 26.g4+=) 24.Kh1 Bf3 (24...Ne4!? 25.Bf7 Kf7 26.Ne5 Kg7 27.Re4 Rc5–/+) 25.Nf3–/+ Ne4 (25...Re4?! 26.Bf7 Kg7 27.Bd5+=) 26.g3 Re7 27.Kg2 Be3 28.h4 (28.Re2 Nc5 29.Bd5 Kg7–/+) 28...b5 (28...Nc5 29.Rb1–+) 29.Re2–/+ a6 30.Rfe1 Nc5 31.Nd4 Nd3 (31...Bd4 32.Re7 Nb3 33.ab3 Rb3 34.Rd7 Rb2 35.Kh3+/–; 31...Nb3?! 32.ab3 b4 33.Kh2–/+) 32.Rf1 Ne5 33.Nc2 Bc5 34.Rd1 Kg7 35.Rd5 Nd3 36.Re7 Be7 37.Rd7 Kf8 38.Nd4 Nc5 39.Ra7 Nb3 40.ab3 Bc5 41.Ra8 Ke7 (41...Kg7 42.Ne2 Rb3 43.Ra6–/+) 42.Nc6–/+ (42.Nc6 Ke6 43.b4–+). yulio (1900) – silencer123 (2185), gameknot.com, 2014.

7.Bd3 d6 8.Qe4 g6 9.Bg3 Nd7 10.Be2 Nc5 11.Qc2 Ng7 12.d3 Qf6 13.Nf3 Nf5 14.Nfd2 d5 15.Nb3 Nb3 16.ab3 Bb6 17.Nd2 Re8 18.Nf3 Ng3 19.hg3 c5 20.d4 Bf5 21.Qd2 Be4 22.Kf1 a6 23.g4 Rac8 24.Kg1 Qe7 25.Rh3 Rc7 26.Rd1 Rec8 27.Nh2 Qg5 28.f4 Qe7 29.g5 h5 30.gh6+= Kh7 31.Nf1 Bf5 32.g4 Be4 33.g5 f6 34.gf6 Qe6 35.Rg3 cd4 36.cd4 Qf6= 37.Bd3 Rc2 38.Qb4 Bd3= 39.Rd3 Rc1 40.Rd2+= Qh4? 41.Rdg2+– Rf1 42.Kf1 Qh1 43.Rg1 Qe4 44.Qd2 Rc2 45.Qd1 Rb2 46.Rg6 ½–½. Taulien,Hans_Juergen (2225) – Meincke,August_Wilhelm (2235), remoteschach.de, 2006.

6.Nf3 d6

7.Qa4 de5 8.Qa5 e4 9.Nh4 c6 10.Qg5?? Be6 11.Na3 Qb6 12.Rb1 Qd8 13.Bc4 Bc4 14.Nc4 Qd3 15.Na3 h6 16.Qg3 Nbd7 17.Nf5= Nh5 18.Nh6+= Kh7 19.Qh3 Kh6=+ 20.g4 Qd5 21.c4 Qg5 22.gh5 Nf6 23.Rb7 Qh5 24.Qg2 Qf3 25.Qf3+/– ef3 26.Nc2 Rab8 27.Rb3 Rb3 28.ab3 Ne4 29.Nd4 Rb8 30.Kd1?? Nf2–+ 31.Ke1 Nh1 32.Kf1 f2 (32...f2 33.c5 a5 34.Nf5 Kg6–+) 0–1. Ritter,Mark – Spiegel,M, corr SOK–88–22, 1988.

7.Bf4 Be6 =+.

7.Bf6 Qf6 8.Qc2 d5 9.Bd3 h6 10.Be2 c6 11.0–0 b6 12.d4 c5 =.

7.Bf6 Qf6 8.Bd3 A) 8...c6 9.Qc2 h6 10.0–0 d5 11.Be2 Re8 12.d4 Bg4=; B) 8...d5 9.0–0 Bg4 10.Be2 c6 11.Qb3 b6 12.Qa4 Bf3=.

7.Bf6 Qf6 8.d4 Bg4 9.Be2 Nc6 10.0–0 Ne7 11.Qa4 Bb6 12.Nbd2 Rae8 =.

7.Bf6 Qf6 8.Be2 c5 9.0–0 a6 10.d4 Nc6 11.Nbd2 Qg6 12.Qb3 b5 13.Qa3 Bb6 14.e4 cd4–/+ 15.cd4 Nd4 16.Nd4 Bd4 17.Rac1 Bb7 18.Rc7 Be4 19.Ne4=+ Qe4 20.Bf3= Bc5? 21.Rc5!+– Qf3 22.gf3 (22.gf3 dc5 23.Qc5+–) 1–0. Rossbach,Werner – Spiegel, corr SOK–88–21, 1988.

7.Bg3 Nc6 8.Bd3 h6 9.0–0 Re8 10.Bb5 Bd7 11.d4 a6 12.Bd3= Ne7 13.Qc2 Ng6 14.Nbd2 Nd5 15.c4 Nb4= 16.Qb1 Nd3 17.Qd3 Bb6 18.Rab1 Rb8 19.h3 Ba7 20.Rb2 Bc6 21.d5 Bd7= 22.Rfb1 Bc8 23.Nd4 Ne5 24.Qe2 Re7 25.Be5+= de5 26.Nc6 bc6 27.Rb8 Bb8 28.Rb8 cd5 29.cd5 Re8 30.e4 Qe7 31.Qc4 Qd6 32.Nb3 Bd7 33.Rb7+/– Rc8 34.a4 c6 35.Nc5?? cd5=+ 36.Qa6 Qa6 37.Na6= Bc6 38.Rb8 Rb8 39.Nb8 Ba4 40.ed5 Kf8 41.Kf1? Ke7 42.Ke2 Kd6 43.Ke3 f5 44.Na6 Kd5 45.Nb4 Kc4 46.Nd3 e4?? 47.Nf4?? Bc6 48.Ne6? g5–/+ 49.g3 Kd5 50.Nd4?? f4! 51.gf4 gf4 52.Kf4 Kd4 53.h4 h5 54.Kg5 Be8 55.Kf4 Kd3 56.Kg3 e3 57.fe3 Ke3 (57...Ke3 58.Kh2 Kf3–+) 0–1. alaamattar (2100) – tommyk (1905), net–chess.com, 2006.

7.Bg3 Ne4 8.Be2 Ng3 9.hg3 c5 10.Qc2 Nc6?? 11.0–0 g6 12.d4 cd4 13.cd4 a6 14.a3 Be6 15.Nc3 Ne7 16.Rab1? b5?? 17.Ne4 Rc8 18.Qb2 Bf5 19.Bd3 Nd5–/+ 20.Nh4 Be6 21.Nf3=+ Kg7 22.Neg5 Bc3 23.Qc2 Bd4 24.Ne6+= fe6 25.Qe2?? Bc5 26.Nd4 Qf6 27.Qb2 e5 28.Nf3 Rfe8 29.e4 Nc7 30.g4 Ne6 31.Nh2 Nf4 32.Be2 Bd4 33.Qd2 Ne2 34.Qe2 Rf8 35.Nf3–/+ Bc5 36.g5 Qf4 37.g3?? Qg4 38.Kg2 Ba3 39.Rb3 Bc5 40.Qd2? a5 41.Nh2?? Qe4 42.f3 Qd4 43.Qd4 Bd4 44.Rb5 a4 45.Rf2 a3 46.Ra2 Bb2 47.Ng4 Rc2 48.Nf2 e4! 49.Kf1 Rf3 (49...Rf3 50.Rb7 Kg8–+) 0–1. gtate (1930) – gdraper (2020), net–chess.com, 2006.

7.Bg3 Be6 8.Bb5 =+.

7.Bg3 Be6 A) 8.d4 c5 9.dc5 dc5 10.Qc2 Bd5 11.Nbd2 Ne4 12.Bh4=+; B) 8.Bh4=+ Nbd7 9.Be2 c6 10.0–0 Qc7 11.Nd4 Rae8 12.Ne6=.

7.Bg3 Qe7 A) 8.Bc4 Bg4 9.h3 Be6 10.Be6 fe6 11.Qc2 Nc6 12.Bh4=; B) 8.Bd3 Bg4 9.h3 Bd7 10.Bh4 Nc6 11.Qc2 h6 12.Bh7=; C) 8.Bh4 Nc6 9.Bb5 Bb6 10.Qa4 Qe6 11.Bf6 Qf6 12.Bc6=.

7.Bg3 Re8 8.Na3 d5 9.Be2 Qe7 (9...Ne4 10.0–0 c5 11.Bb5 Nd7 12.Bh4 f6 13.Qc2) 10.Qa4 Bb6 11.0–0 (11.d3 Bd7 12.Qb3 Na6 13.d4) 11...Ne4 12.Bh4 Bd7 (12...f6 13.Nb5) 13.Be7 Ba4 14.Bh4 c6 15.Rac1 Nd7 16.d3 Nd6 17.Bg3 (17.Bg5 Nf8=) 17...Nf5 18.d4 Ng3 (18...Ng3 19.hg3 Rad8+=). Hanison,Bernard – Dziel,Jaromir, corr SOK–94–104, 1995.

7.Bg3 Re8 A) 8.Bh4 Nbd7 9.Be2 Nc5 10.0–0 c6 11.d4 Nce4 12.c4=; B) 8.Be2 c5 9.0–0 Nc6 10.Bb5 Ne4 11.Qc2 d5 12.Bf4=+; C) 8.Bc4 d5 9.Bb3 Ne4 10.0–0 Bg4 11.Bf4 c5 12.Ba4=+; D) 8.Bd3 d5 9.0–0 Ne4 10.Qb3 Nc5 11.Qb5 Nd3 12.Qd3=+; E) 8.Bb5 c6 9.Be2 Ne4 10.Bh4 g5 11.Bg3 h5 12.h3=.

7.Bg3 Bf5 A) 8.Be2 Qe7 9.0–0 Nc6 10.Qa4 a6 11.Qf4 Qe4 12.Qh4=+; B) 8.Bc4 d5 9.Be2 c5 10.0–0 Nc6 11.Bh4 Rb8 12.a3=+; C) 8.Bh4 Nbd7 9.Be2 Re8 10.Qa4 c5 11.Qf4 Be4 12.Bb5=+; D) 8.Qb3 Bb6 9.Be2 Be6 10.Qc2 Re8 11.0–0 Qd7 12.Bh4=.

7.Bg3 Bg4

8.Qa4 Bb6 9.Be2 Re8 10.Bh4 Qd7 11.Qd7 Nbd7 12.a4 =.

8.Bc4 Qe7 9.h3 Be6 10.Qb3 Bb6 11.Be6 fe6 12.d3 =.

8.Be2 Qe7 9.Qa4 Nc6 10.h3 Bd7 11.Bh4 Qe4 12.Qe4 =+.

8.h3 Be6 9.Qa4 Bb6 10.d4=+ Qe7 11.Bd3 Bd5 12.Nbd2 =.

8.h3 Be6 9.Bb5 =+.

8.h3 Be6 9.Be2 Nc6 10.0–0 Re8 11.Ng5 Bd5 12.c4 =.

8.Bh4 c6 9.h3 Be6 10.Bd3 Nbd7 11.Qc2 Qc7 12.Ng5 =.

8.h3 Bh5

9.Be2 Nc6 10.Qb3 Bb6 11.0–0 a6 12.d4 =.

9.Be2 Nbd7 10.0–0 Nc5 11.Nd4 Bg6 12.Nb3 Bb6 13.d4 Nb3 14.ab3 Ne4 15.Bf4 Qe7 16.Bf3 d5 17.Be4 Be4 18.c4 c6 19.Nc3+= a6 20.f3+/– g5 21.fe4+– gf4 22.Qg4 Kh8 23.Qf4 de4 24.c5 Bc7+/– 25.Qe4 Qe4 26.Ne4 Rae8 27.Ng5 f6= 28.Nf3 Re3 29.b4 Bg3 30.Nd2 Re2 31.Nc4 Kg7 32.Na5 Rf7= 33.Ra3 Be1=+ 34.Rb3 Rd7 35.Rb1 Bc3–/+ 36.d5 cd5–+ 37.Rf3 Be1?? 38.Kf1+= Rde7 39.Nb7 Bd2 40.Rfb3 Re1 41.Re1 Re1 42.Kf2 Re4 43.b5 ab5 44.Rb5 Rc4 45.Nd6 Rc2 46.Nf5 Kf8 47.Nd4 Rc3 48.c6?? Be3–+ (48...Be3 49.Ke2 Bd4 50.Rd5 Be5–+) 0–1. Hirt,Robert – Friedmann,S, corr DDR, 1980.

9.Be2= Nbd7 10.0–0 d5 11.d4 c6 12.Qc2 Re8 13.Nbd2 Ne4 14.Bd3 Bf3 15.Nf3 Rc8 16.Bh4 Ndf6 17.c4 Qd6 18.c5 Qc7 19.Ne5 g5 20.Bg3 Qe7 21.Bh2 Bc7 22.Rab1 Rb8 23.Rfc1 Nd7 24.Be4 de4 25.Ng4 Bh2 ½–½. Pruefer,Heinz – Stummerer,Alfred, CiF–FT950078A, 1995.

9.Be2= Nbd7 10.0–0 Re8 11.Bh4 =.

9.Be2 Nbd7 10.Qa4 Bb6 11.0–0 Nc5 12.Qf4 =.

5.e3 c5

6.Qa4!? Nc6 7.Bd6 +=.

6.Bd3 Nc6 7.Bg3 0–0 8.Ne2 d5=+ 9.0–0 Re8 10.Bc2 d4 11.cd4 cd4 12.Nf4 de3 13.de3 Bg4 14.f3 Qd1 15.Rd1= Nb4 16.Ba4+/– b5 17.Bb5 (17.Bb5 Nc2 18.Be8 Re8 19.Na3 Na1 20.Ra1+=; 17.a3 g5 18.ab4 (18.fg4?! ba4 19.ab4 gf4+=) 18...ba4 19.Nd5 (19.ba5?! gf4 20.Bf4 Bd7+–; 19.fg4 gf4 20.Bh4 Bb6=+) 19...Nd5 20.Rd5 Bb4 21.Rg5 Kf8 22.Rg4+–) 1–0. Szeligowski,Paul – Paulsen,Dirk, Boulder, CO., 1993. Known even as „Szeligowski – Ruddell, Boulder 1993“.

6.Bd3 d5 7.Bb5 Nbd7 8.Qf3 =.

6.Qf3 d5 +=.

6.Nf3 Nc6–/+ 7.Na3 Ne5 8.Ne5 0–0 9.Nec4 (9.Be2!?+=) 9...Bc7–+ 10.Nb5 Bb8 11.Nbd6 b5 12.Nc8 (12.Nb5!? d5 13.Nb2–+) 12...bc4 (12...Qc8?! 13.Nb2+=) 13.Na7 (13.Qf3 d5 14.Bc4 Bc7–+ (14...dc4?! 15.Qa8 Qc8 16.Rb1–/+)) 13...Ra7 14.Bc4 d5 15.Bb5 Ra3 16.0–0 (16.Be2 Bc7–+) 16...Bh2! 17.Kh2 Qb8 (17...Qb8 18.Kg1 Qb5–+) 0–1. algernon (2455) – johndyson (2530), net–chess.com, 2015.

5.e3 Nc6

6.d4 0–0 7.Bf6 Qf6 8.Bd3 Re8 9.Ne2 d6 10.0–0 Bg4 (10...Bf5 11.Qc2 Bd3 12.Qd3=) 11.Qc2 Be2 (11...g6 12.Nd2+=) 12.Be2+= Bb6 13.Nd2 Rad8 14.Rab1 Na5 15.Bd3 Qh6 16.c4 c6 17.h3 d5 18.c5 Bc7 19.Nb3 Re7 20.Kh1 (20.Rfc1 Rde8+/–) 20...Nb3 21.Rb3 b5 22.a4 (22.cb6 ab6 23.Rc1 Qh4+=) 22...a6 23.ab5 ab5 24.Ra1 g6 25.Ra6 Re6 26.Rba3 Qh4 27.Kg1 Rde8 28.Bf1 Qd8 29.g3 Bb8 30.Rb6 Bc7 31.Rba6 h5 (31...Bb8!?=) 32.h4+= Qf6 33.Bh3 Re4? (33...R6e7 34.Bg2 Re6 35.Qd2+=) 34.Kg2?? (better is 34.Bd7!? R4e6 35.Rc6 Rc6 36.Be8+–) 34...R4e7 (34...Bg3 35.fg3 Re3 36.Re3 Re3 37.Qd1+=) 35.Qe2 Qd4 (35...Bd8 36.Qf3 Rc7 37.Rb6+–) 36.ed4 (36.Rc6?! Qc4 37.Qd1 b4=) 36...Re2 37.Rc6 b4 38.Ra7 Bd8 39.Rb7 Kg7 40.Rd6 Bf6 41.Rd5 Rb2? (better is 41...Rc2 42.Rdd7 Kg8+/–) 42.Rdd7 (42.Rdd7 Kg8 43.c6+–) 1–0. yulio (2015) – zunsurfer (2070), gameknot.com, 2015.

6.Nf3 0–0 7.Bb5 Ne5=+ 8.Ne5 d6 9.Nc4 c6 10.Na5 Qa5 11.Be2 Qg5 12.0–0 Bh3 13.Bf3 Rae8 14.Qa4 d5 15.d4 Re4 16.Kh1+/– Bg2? 17.Bg2+– Rh4 18.Nd2 Ng4 19.Nf3 Rh2 20.Kg1 Rg2=+ 21.Kh1 Qg6 22.Qd1 Rf2 23.Qe1 Rf1 24.Qf1 Qh6 25.Kg1 Qe3 26.Kh1 Qh6 27.Kg1 Ne3 28.Qd3 Qg6 29.Qg6 fg6 30.Ne5 Nc4 (30...Nc4 31.Rb1 Ne5 32.de5 b5–+) 0–1. Rossbach – Stummerer, corr SOK–88–21, 1988.

6.Nf3 d6 7.Bg3 a6 8.Be2 0–0 9.0–0 Qe8 10.Na3 d5 11.Nc2 Bg4 12.Ncd4 Nd7 13.Nc6 bc6 14.Nd4 Be2 15.Qe2 Nf6 16.h3 Qd7 17.Rab1 c5 18.Nf3 Bb6 19.c4 Rfe8 20.cd5 Qd5 21.Rb2 a5 22.a4 Ne4 23.Bh2 Rad8 24.Rc1 Ng5 25.Ng5 Qg5 26.Rc4 Qf6 27.Rb1 Rd7 28.Rcc1 Qd8 29.Rd1 Rd3 30.Ra1 Qd7 31.Ra2 Rd8 32.Be5 Qd5 33.Bf4 Qa2 0–1. algernon (2565) – edqwerty (2505), net–chess.com, 2014.

6.Bf4 0–0 7.d4 d6 8.Bd3 Be6 9.Qc2 Re8 10.Ne2 h6 11.0–0 Nd5 12.c4 (12.Bg3 Bg4=) 12...Nf4 13.Nf4 Bd7 14.Nc3 Qg5 15.a3 (Better is 15.Ncd5=) 15...Ne7?? (Better is 15...Nd4 16.ed4 Qf4–/+) 16.Rab1?? b6?? 17.g3?? c5?? 18.dc5 dc5 19.h4 Qf6 20.Ne4 Qc6 21.Rfd1 Bf5 22.Kh2 Ng6 23.Ng6 Qg6 24.Nc3 Bd3=+ 25.Qd3 Qg4 26.Nd5 Rad8 27.Qf1 Re4?? 28.f3 Qg6 29.fe4 Qe4 30.Nf6! gf6 31.Rd8 Kg7 32.Rbd1 Qe3 33.Kh3 Bc3 34.R1d3 Qe5 35.R8d5 Qe6 36.Qf5 Qf5 37.Rf5 Be5 38.Rd7 a6 39.h5 b5 40.cb5 ab5 41.Rd8 b4 42.ab4 cb4 43.Rb8 Bc3?? 44.Rf4 Bd2 45.Rg4 Kh7 46.Rgg8 Bg5 47.Rh8 (47...Kg7 48.Rbg8#) 1–0. slavisa10 – Mirjana6, Live Game Caissa's Web, 2004.

6.Bf6 Qf6 7.d4 0–0 8.Bd3 Re8 9.Ne2 d6 10.Nd2 Bg4 11.Qc2 Qh4 12.0–0 (12.Rb1 Rab8 13.0–0 (13.h3 Be2 14.Be2 Re3 15.g3=) 13...a6 14.Nb3 Bb6 15.Nf4+=) 12...Be2 (12...a6 13.Rfb1 Rab8 14.Nc4 (14.h3 Be2 15.Be2=) 14...b5 15.Na5+=) 13.Be2 (13...Rab8 14.Rfb1 Qf6) 1–0. Buczinski,Henryk – Berthold,Andreas, corr, 2006.

6.Bf6 Qf6 7.d4 d5 8.Bd3 0–0 9.Qc2 Re8 10.Nd2 g6 11.Ngf3 Bg4 12.0–0 a6 13.Rfe1 Re7 14.e4 =. michaelbuss – NathanStack, ChessWorld.net, 2004.

6.Bf6 Qf6 7.d4 d5 8.Bd3 Bf5 9.Nf3 0–0 10.0–0 Rfe8 11.Qc2 Bd3 12.Qd3 a6 13.Nbd2 h6 14.Rab1 Bb6 15.c4+/– dc4 16.Nc4 Ne7 17.Nfe5 Rad8 18.Nb6 cb6 19.Rfc1?? b5?? 20.Rc7?? Qe5!–+ 21.Rb7 Qf5 22.Qf5 Nf5 23.Rb6 Rd6 24.Rb7 Rc8 25.g4 Nh4 26.f4 Rc2 27.a4 Nf3 28.Kf1 Nd2 (28...Nd2 29.Ke2 Nb1 30.Kf3 Nd2 31.Ke2 Nc4 32.Kd3 Rd2 33.Kc3 Rh2 34.ab5 Ne3 35.ba6 Ra6 36.Rb8 Kh7–+) 0–1. katchum (1790) – linda (1890), net–chess.com, 2001.

6.Bg3 Ne4 7.Ne2 0–0 8.d3 Ng3 9.Ng3 d5 10.Be2 Qf6 11.Qc2 Ne5 12.d4= Ng4 13.0–0 Re8?? 14.Nd2?? Bd7 15.a4 b6 16.Nb3 Rac8 17.Na5 ba5 18.Qb3 Be6? 19.Bg4+– Bg4 20.Qd5 c5 21.Ne4 Qb6 22.Nc5 Red8 23.Qe4 Bh5 24.Rab1 Qf6 25.Rb5 Be2+/– 26.Ra5 Bf1 27.Kf1+– Re8 28.Qb7?? Qf5 29.e4 Qh5+= 30.f3 Qh2 31.Ra7+/– Rf8 32.Ne6 Qh1 33.Kf2 Rc3?? 34.Qf7!! (34.Qf7 Rf7 35.Ra8 Rc8 36.Rc8 Rf8 37.Rf8#; 34.Nf8 Rc2 35.Kg3 Rg2 36.Kf4 Qh6 37.Ke5 Rg5 38.Kf4 Rg6 39.Ke5 Qg5#) 1–0. Istvanny – chess55555, internet, 2007.

6.Bg3 0–0

7.Bd3 d5 8.Ne2 Re8 9.0–0 Ne4 10.f3 Ng3 11.Ng3 Ne5 12.Bc2 c5 13.d3 Re6 14.f4 Nc6 15.e4 Rh6 16.ed5 Qd5 17.Qe2 Bd7 18.Bb3 Qd6 19.Ne4 Qe7 20.f5? Re8 21.a4? Qe5 22.g4–/+ Bc7 23.Ra2 Na5–+ 24.Bd1 c4 25.Re1 cd3 26.Qg2 Bc6 27.Bf3 Bb6 28.Kh1 Nc4 29.g5 Ne3 30.Re3 Be3 31.gh6 Be4 32.Be4 Qe4 33.Qe4 Re4 34.hg7 Rg4 (35.Rg2 Ra4–+ (35...Rg7?! 36.c4–+)) 0–1. Bennett,Hilton Petrie (1945) – Lynn,KW (1740), North Island–ch, 1999.

7.d4 d5 8.Bd3 Re8 9.Ne2 Bg4 (9...Ne4 10.Qc2=) 10.Qc2 h6 11.Nd2+= a6 12.0–0 Nh5 13.a4 Ng3 14.Ng3 Ne7 15.f3 Be6 16.e4 c5 17.Qb2 cd4 18.cd4 de4 19.fe4 Bd2–+ 20.Qd2 Qd4 21.Kh1 Rad8 22.Rfd1 Bb3 23.Ne2 Qd7 24.e5 Bd1 25.Rd1 Qa4 26.Nc3 Qa5 27.e6 fe6 28.Qe1 Nd5 29.Qe4 Nf6 30.Qe3 Qc3 0–1. Bennett,Hilton Petrie – Bjelobrk,Igor, Hamilton New Year op, 1998.

7.Nf3 Qe8 8.Bd3 d5 9.0–0 Bg4 10.h3 Bh5 11.Be2 Ne4 12.Bh2 f5 13.Qc2 a6 14.d3= Nf6 15.Na3 Ne5 16.Nd4 Be2= 17.Ne2 Ng6 18.c4 Qe7 19.Qb3 b6 20.cd5+/– Rad8? 21.d6+– (21.d6 Qf7 22.dc7+–) 1–0. badboy1221 – Tsunamis, Live Game Caissa's Web, 2005.

7.Nf3 Re8 8.Qb3 Rb8 9.Bb5 (9.Bh4 d6 (9...d5 10.Bf6 Qf6 11.Qd5 Nb4 12.Qb3 Bf5=) 10.Bc4 d5 11.Bb5 Bg4 12.Bf6 Qf6=; 9.Bd3 d6 (9...d5 10.Bb5 Bb6 11.d4 Bf5 12.0–0 a6+=) 10.0–0 Qe7 11.Bc4 Bg4 12.Qa4 Bf3+=; 9.a3 a6 (9...b5 10.Bd3 a6 11.Qc2 d6 12.0–0 Ne5=) 10.Bd3 d6 11.Bh4 Bg4 12.0–0 b5+=) 9...a6 10.Be2 (10.Bd3 d6 11.Bh4 Bb6 12.0–0 h6=) 10...d5 (10...d6 11.0–0+= Be6 12.Qc2 Qd7=; 10...b5 11.0–0 d6 12.Bh4 h6=) 11.Bh4 (11.0–0 b5 12.Qc2 Qe7=) 11...Be6 12.d4 (12.Qa4 Bd7=) 12...h6 (12...Qe7=) 13.Ne5 Na7 14.0–0 g5 15.Bg3 Ne4 16.Bh5 (16.c4 c6=) 16...Nb5 17.f4 Rf8 (17...Ng3 18.hg3 gf4 19.gf4=) 18.f5 Bc8 19.Be1 f6 20.Ng6 Rf7 21.a4 Na7 22.Nd2 Bc3 23.Ne4 Ba1 24.Ng3 c5 25.dc5 Nc6 26.Qa2 Be5 27.Ne5 Ne5 28.Bf7 Kf7 29.Bc3 Nc4 30.Qe2 Qf8 31.Rd1 (31.Bd4!? Qe8+–) 31...Qc5+/– 32.Qh5 Ke7 33.Bf6?? (better is 33.Bd4 Qd6 34.Qh6+–) 33...Kf6= 34.Ne4 de4 35.Qh6 Kf7 36.Qg6 Ke7 37.f6 Ke6 38.f7 Ke5 39.Qg7 Ke6 40.f8Q (40.f8Q Qf8 41.Qf8+–) 1–0. Blankenberg,Bruno – Malmstroem,Jan, corr TKM/A008, 1999.

7.Bh4 d5 8.Be2 Qd6 9.Bg3 Qe7 10.Qc2 Ne5 11.Bh4 Ng6 12.Bg3 Ne4 13.Nf3 c6 14.d3 Ng3 15.hg3 f5 16.Nbd2 Bc7 17.d4 Be6 18.Bd3 Rf6 19.0–0–0 b5 20.Ng5 h6 21.Ne6 Qe6 22.Rh5 Ne7 23.Rdh1 a5 24.Nb3 a4 25.Nc5 Qc8 26.Be2 Bd6 27.Nd3 Rb8 28.Nb4 c5 29.dc5 Bc5 30.a3 Bb4+= 31.ab4 Rc6 32.Kd2 Qa6 33.Ra1 Qb6 34.Bd3 Rbc8 35.Ra3 Rf8 36.Bf5?? g6–+ 37.Rh6 Nf5 38.Rh3 Ng3! 39.Kd1 Ne4 40.Rf3 Rfc8 41.Qd3 Qd8 42.Ke1 Rc3 43.Rc3 Rc3 44.Qb5 Rc1 (44...Rc1 45.Ke2 Nc3 46.Kd2 Nb5 47.Kc1 Qc8 48.Kd1 Nc3 49.Ke1 Qc4 50.Rf8 Kf8 51.Kd2 Ne4 52.Kd1 Qd3 53.Kc1 Qd2 54.Kb1 Nc3 55.Ka1 Qc1) 0–1. Bulatovic,Milorad (2060) – Nadvesnik,Maja (1790), SLO–ch qual Ljubljana, 2007.

6.Bg3 d5

7.Bb5 0–0 =.

7.Bb5 a6 8.Bc6 bc6 =.

7.Bb5 Bd7 =.

7.Qc2 0–0 8.Nf3 =+.

7.Qc2 0–0 8.Bh4 Ne5 9.Be2 c6 10.Nf3 Qe7 11.Ng5 Ne4 12.Ne4 de4?? 13.Be7+– Re8 14.Bb4 Bd8 15.Qe4 g6 16.d4 (16…Bf5 17.Qf4 Nd3 18.Bd3 Bd3 19.Nd2+–) 1–0. tycho – Apsyrtes, HCL–B1899 playchess.de, 2003.

7.Qc2 Ne4=+ 8.Nf3 Bf5 9.Bd3 Qd7 10.Nh4 Bg6 11.f3?? Ng3=+ 12.hg3 Bd3 13.Qd3 g6 14.f4 0–0–0 15.Nf3 Qg4 16.Rh3 h5 17.Na3 h4 18.Nh2 Qh3?? 19.gh3+– hg3 20.Nf3 Rh3 21.0–0–0 Bb6?! 22.Qf1 (22.Qf1 Rdh8 23.Ng5+–; better is 22.Ng5!? Rh2 23.Nf7 Bc5+–) 1–0. Szeligowski,Paul – Holtius, Boulder CO., 1991.

7.Qc2 Qe7 8.Nf3= Bg4 9.Be2 0–0 10.0–0 Ne4 11.d3 Ng3=+ 12.hg3 Rfe8 13.d4 Rad8 14.Bd3 Bf3 15.gf3= g6 16.Nd2 Bb6 17.Kg2 Kg7 18.e4 Nb8 19.e5 (Better is 19.ed5!? Qd6 20.Bc4+=) ½–½. Bennett,Hilton Petrie – Ker,Anthony F (2315), North Island–ch, 1997.

5.e3 d5

6.Qa4 c6 7.Bf6 gf6 +=. Kreideweiss – Lentschu.

6.Qa4 Nc6 7.Bb5 Bb6 8.Bc6 bc6 9.Qc6 Bd7 10.Bf6 Bc6 11.Bd8 Rd8 12.d4 (12.Nf3+=). michaelbuss – Pierre Manisse, ChessWorld.net, 2004.

5.e3 d6

6.Bf4 h6 7.Bc4 g5 8.Bg3 d5 9.Bb5 c6 10.Bd3 Nbd7 11.Qe2 b5 12.Nf3= a6 13.0–0 Nh5= 14.Nd4 Nhf6?? 15.Nc6+– Qb6 16.Na5 Qa5 17.f3 Rg8 18.e4 Kd8+/– 19.e5 Ne8 20.e6 fe6 21.f4 Qb6+= 22.Qf2 Qb7 23.fg5+/– hg5 24.Qf7 Rg7 25.Qe6 Ra7 26.Rf7 Rf7 27.Qf7+/– d4 28.Bf2 Qc6 29.Bd4 Bb7 30.Qf3 Qd6 31.Bf5 Bf3–+ 32.gf3 Rc7 33.d3 Nb8 34.Nd2 Re7 35.c4 Re2 36.c5 Qd4 37.Kh1 Qf2 38.Bh3 Qh2 0–1. Manners – kurt5561, ChessWorld.net, 2005.

6.Bf6 Qf6 7.Qa4 Nc6 8.Bb5 0–0 9.Bc6 Bc3 10.Nc3 bc6 11.Qc6 Be6 12.Qc7 Rfc8 13.Qa5 Rc5 14.Qa3 Rac8 15.Nge2 Rg5 16.Ng3 Bc4 17.Nge4 Qg6 18.Ng5 Qg5 19.Rg1 Qf6 20.Rc1 Qg6 21.Nd5 Qh5 22.Ne7 Kf8 23.d3 Bd3 24.Rc8 Ke7 25.Qd3 Qa5 26.Qd2 (26.Qd2 Qe5 27.Rc7 Ke6 28.f4+–) 1–0. dixi82 – Salvatore, ChessWorld.net, 2006.

6.Bf6 Qf6 7.Qa4 Nc6 8.Bb5 Bd7 9.Nf3 Qg6 10.0–0 a6 11.Nh4 ab5–/+ 12.Ng6 ba4 13.Nh8 f5 14.Na3 Be6 15.Nb5 Kd7 16.d3 Rh8 17.Rfc1 Ne5 18.d4 Nc4 0–1. algernon (2470) – davidswhite (2800), net–chess.com, 2003.

6.Bf6 Qf6 7.Nf3 0–0 8.Be2 Bf5 9.h3 Nc6 10.d4 d5 11.Bd3=+ Rfe8 12.Bf5 Qf5 13.0–0 Re6 14.Nh4 Qe4 15.Nf3= Rae8 16.Ng5+/– (16.Ng5 Qg6 17.Ne6 Qe6 18.Qb3+/–) 1–0. badboy1221 – Mjster, Live Game Caissa's Web, 2006.

6.Bg3 0–0=+ 7.Nf3 a6 8.h3 b5 9.Be2 Bb7 10.0–0 c5 11.a4 ba4 12.Qa4 Bc7 13.d3 Bc6 14.Qc2 Nbd7 15.Nbd2 Re8 16.d4 a5 17.Bd3 d5 18.Bh4 h6 19.Bh7 Kh8 20.Rfe1 c4 21.e4 de4 22.Be4= Be4 23.Re4 Re4 24.Ne4 g5 25.Bg3 Bg3 26.Ng3 Nd5 27.Qf5 Qf6?? 28.Qe4 N5b6 29.h4 Qg6 30.Ne5 Ne5 31.Qe5 Kh7 32.h5 Qg8? 33.Qf6 (33.Qf6 Rb8 34.Qf5 Kh8 35.Qe5 f6 36.Qf6 Qg7 37.Qe6+–) 1–0. Hirt,R – Puls,G, corr DDR, 1988.

5.Nf3 Nc6

6.Na3 0–0 7.Qc2 (7.Bf6!? Qf6 8.Nc4+=) 7...Ne5–/+ 8.Ne5 d6 (8...d5 9.Nf3–/+) 9.Nec4 c6 10.e4 (better is 10.Na5!? Qa5 11.Nc4+=) 10...Re8–+ 11.d3 b5 (11...d5 12.Na5 Qa5 13.Qb3–+) 12.Ne3 (12.Na5 Qa5 13.Nb1 d5–/+) 12...Bb7 (12...d5 13.Nb1–+) 13.Be2 Bc7 (13...d5 14.ed5 Nd5 15.Nd5 cd5 16.Nb5–+) 14.0–0 (14.f4 Bb6 15.Qd2 d5–+) 14...a5 (14...d5 15.Nf5–+) 15.Qd2 (15.f4 Bb6 16.Qd2 d5–/+) 15...Qd7 (better is 15...d5!?–+) 16.Nac2 (16.Nf5 h6 17.Qf4 d5 18.Nh6 Kf8–/+) 16...d5 17.e5 (better is 17.ed5!? Nd5 18.Bf3+=) 17...Be5 18.f4 (18.a4 Qc7 19.g3 b4–+) 18...Bc7 19.Rf3 (19.a4 ba4 20.d4 Ne4–+) 19...Bb6 (19...c5 20.d4 Ne4 21.Qe1–+) 20.Kh1 c5 21.Rg3 d4 22.cd4 cd4 23.Nf1 (23.Ng4 Nd5–+) 23...Qe6 (23...Rac8 24.Bf3–+) 24.Bf3 Bf3 25.Rf3 Nd5 26.f5 Qf6 27.Ng3 Nc3 28.Nh5 Qh4 (28...Qe5!?–+) 29.Rh3–/+ Qd8?? (29...Re2 30.Qc1 (30.Rh4? Rd2 31.Ne1 Ra2 32.Ra2 Na2–+) 30...Qe7 31.f6–/+) 30.f6?? Re2?? 31.Qg5+– g6 32.Qh6 Qf8 33.Ng7 (33.Ng7 Re1 34.Re1 Qd6 35.Qh7 Kf8 36.Qh8#) 1–0. Pscheidl,Udo (1825) – Baer,Cy (1915), RSS7E easy–106, 2010.

6.Na3 Ne5 7.Ne5 d5 8.e3 –/+.

6.Qa4 0–0=+ 7.e3 d6 8.Bf6 Qf6 9.Bb5 Bd7? 10.Bc6+– Bc6 11.Qa5 b6 12.Qb4 Rfe8 13.d4 a5 14.Qc4 d5 15.Qe2 h6 16.Nbd2 b5 17.0–0 Bd7 18.a3 a4 19.Ne5 Bf5 20.Qb5 Rac8 21.Qd5 c6 22.Qc4 c5 23.Qa4 Ra8 24.Qb5 cd4 25.cd4 Rab8 26.Qc4 Rbc8 27.Qe2 Rc2 28.Rfc1 Rec8 29.Rc2 Rc2 30.Nef3 Bg4 31.Qd1 Bf5 32.e4 Be4 33.Ne4 Qc6 34.Nc5 Rc4 35.Ne5 Qd5 36.Nc4 Qc4 37.a4 Qd5 38.Qd3 Qd6 39.a5 Qc7 40.Rb1 Qd8 41.a6 Qa5 42.Rb8 (42.Rb8 Qd8 43.Rd8#) 1–0. PiedPiper – esso78, ChessWorld.net, 2004.

6.d4 d6 7.Bg3 0–0 8.Nbd2 Bc3 9.Rb1? Nd4 10.Nd4 Bd4 11.e3 Bb6 12.Bd3 Bg4 13.f3 Be6 14.Nc4 Bc4 15.Bc4 Qe7 0–1. gtate (1890) – gonso (2300), net–chess.com, 2003.

6.e3 0–0 7.d4 Ne4 8.Qc2 d5 9.Bd3 Ne5 10.Ne5 Re8 11.0–0 c5 12.c4 cd4 13.ed4 Bb6 14.c5 Bc5 15.dc5 Re5=+ 16.Re1 Qg5 17.Be4 de4 18.Nc3 Bf5 19.Ne4 Qe7 20.f3 Re8 21.Red1 Be4–+ 22.fe4 Re4 23.Qf2 Re2 24.Qf3 Qc5 25.Kf1 Qe5 26.Kg1 b5 27.h3 b4 28.Rf1 Qe6 29.Rac1 Qa2 30.Qf7 Qf7 (31.Rf7 Kf7–+) 0–1. TheImpaler (1660) – Trkn, ICC, 2004.

6.e3 0–0 7.Bf4 Re8 8.Bc4 Bb6 9.0–0 d5 10.Bb5 Bg4 =.

6.Bf4 d5 7.Ne5 (7.e3 Nh5 8.Bg5 f6=) 7...Ne5+= 8.Be5 0–0 9.Qa4 Bb6 10.e3 Qe7 11.d4 Ng4 12.Bg3 f5 (12...c5 13.dc5 Bc5 14.Qf4+=) 13.Be2= h5 (13...c5 14.dc5 Bc5 15.0–0=) 14.Qb3 c6 15.c4 (15.h3 f4 16.Bf4 Nf2 17.Kf2 g5=) 15...Be6 (15...h4!? 16.Bf4 Ba5 17.Kf1 Be6=) 16.c5+= Bc7 17.h3 Nf6 18.Bh4 Qd7 19.Bf6 Rf6 20.f4 (20.Bh5!? f4 21.0–0=) 20...Bf7 21.Kf2 (21.Nd2 Qe7 22.0–0 Re8+=) 21...Re8–/+ 22.h4 (better is 22.Nd2!?–/+) 22...Rfe6–+ 23.Rh3 (23.Qb7 Qe7 24.Bf3–+ (24.Qa7 Re3 25.Bf3 Rf3 26.gf3 Qe2 27.Kg3 Bf4 28.Kf4 Re4 29.fe4 Qf2 30.Ke5 Qg3 31.Kf5 Qf2 32.Ke5 Qf6)) 23...Bf4! 24.ef4 Re2 25.Kg1 Re1 26.Kh2 R8e4 27.Qc3 Qc7 28.Rf3 (28.Qg3 Qf4 29.Qf4 Rf4–+) 28...Rf4 (better is 28...Qe7 29.Rh3 R4e3 30.Qe3 Re3 31.Nd2–+) 29.Qe1 Rf3 30.Kg1 (30.Kh1 Rf4 31.Nd2 Rd4–+) 30...Rf4 (30...Qf4!? 31.gf3 Qd4 32.Kf1 Qa1 33.Nc3–+) 31.Nd2 Rd4 32.Nf3 Re4 33.Qd2 Qe7 34.Qa5 a6 35.Rb1 Re2 36.a4 d4! 37.Rd1 (37.Nd4 Qe4 Double attack (37...Qh4 Deflection; 37...Qe4 Decoy)) 37...Bd5 38.Rd4 (38.Rd3 Bf3 39.Rf3 Re1 40.Kf2 Qe2 41.Kg3–+) 38...Qe3 39.Kh1 Bf3 40.Qd8 Kh7 41.Rd3 Bg2 (41...Bg2 42.Kh2 Bd5) 0–1. Derevianchenko,Ilia – Volovikov,Anton (2230), UKR–ch sf U16, 2008.

6.Bf4 Nd5 7.Qa4 Qe7 8.e3 a6 9.Bg3 b5 10.Qc2 Nf6 =.

6.Bf4 d6 7.e3 0–0 8.Bb5 Bd7 9.0–0 a6 10.Be2 Re8 =.

6.Bf4 d6 7.e3 0–0 8.Bb5 Bg4 (8...Bd7 9.0–0=) 9.Qa4+= Bf3 10.gf3 Bb6 11.Bc6 bc6 12.Qc6 Nh5 13.Bg3 Qf6 14.d4 Rae8 (14...Rfe8 15.Nd2+=) 15.Qd5 (15.Nd2 Rb8+=) 15...Qh6 16.Rf1 Re3?? 17.fe3+– Qe3 18.Kd1 Qd3 19.Nd2 Ng3 20.hg3 Re8 21.Qc4 Qe3 22.Rc1 h5 23.Rh1 g6 24.a3 Qf2 25.Qb5 Re3 26.g4 hg4 27.Rf1 Qg2 28.Rc2 gf3 29.Nf3! Qg3 30.Qc6 Qf4 31.Qa8 Kg7 32.Rh2 Qh2 33.Nh2 Rc3 34.Qe8 1–0. b4_player (2245) – flar (1840), GameColony.com, 2003.

6.Bf6 Qf6 7.d4 0–0 8.e3 d5 9.Qb3 Ne7 10.Bd3 b6 =.

6.Bf6 Qf6 7.e3 0–0 8.d4 d5 9.Qc2 Re8 10.Nbd2 Bf5 =+.

6.Bf6 Qf6 7.e4 d6 8.d4 Bg4 9.Bb5= 0–0 10.Bc6 bc6 11.0–0 Bf3 12.Qf3 Qf3 13.gf3 f5 14.Rc1= fe4 15.fe4 Rae8 16.Nd2+= Bb6 17.f3 c5 18.Rab1 cd4–/+ 19.cd4 Bd4 20.Kg2 Be3 0–1. djervis (1810) – monicker (1940), net–chess.com, 2006.

6.Bg3 0–0 7.e3 Ne4 8.Bb5 a6 9.Ba4 Qf6 10.0–0 d5 11.Bc6 Qc6 12.Nd4 Qg6–/+ 13.Qa4 Bb6 14.Qb3 c5 15.Ne2 c4 16.Qb2 Bc5 17.Nf4 Qf5 18.Kh1 Ng3 19.hg3 g5 20.Nh3 Qg6 21.f3 b5 22.Qc1 Bf5 23.a4 ba4 24.Ra4 Rab8 25.Na3 Rb3 26.Nc4? Rb1 27.Qb1 Bb1 28.Ne5 Qe6 29.Ng4 f5 30.Ng5 Qb6 31.Ne5 Qb5 32.Rb1 Qb1 33.Kh2 Rf6 34.g4 f4! 35.d4 Rh6 36.Nh3 fe3 37.dc5 e2 38.Ra6 Rh3! 39.Kh3 Qh1 40.Kg3 e1Q 41.Kf4 Qh2 42.g3 Qhg3 (42...Qhg3 43.Kg5 Qge5 44.Kh6 Qh4#) 0–1. Bull_Dog_Baz – bicycle, ChessWorld.net, 2007.

6.Bg3 d5 7.e3 0–0 8.Be2 Ne4 9.0–0 Ng3 10.fg3 Bb6 11.d4 Qe7 12.Kh1 Qe3 13.Bd3 Be6 14.Qc2 Qh6 15.Nbd2 Rfe8 16.Bf5 Bf5 17.Qf5 Ne7 18.Qe5 Qc6 19.Ng5 f6 (19...Qc3 20.Rf7 Qa1 21.Nf1 Qf1 22.Rf1+–) 20.Qe6 Qe6 21.Ne6 Nc8 22.Rae1 Nd6 23.Rf3? (Better is 23.Nf4 c6 24.a3–+) 23...Ne4! (24.Ne4 Re6 (24...de4?! 25.Re4 c6 26.Rfe3=) 25.Nf6 Rf6 26.Rf6 gf6–+) 0–1. robbobbo – marekt, ChessWorld.net, 2004.

6.e3 Ne5

7.Ne5 0–0 8.Nc4 Bb6 9.d4= d6 10.Bd3 d5 11.Nb6 ab6 12.Nd2 Re8 13.0–0 Bg4 14.Qc2 h6 15.c4 Qd7 16.cd5 Nd5 17.a3 c6 18.Nc4 Qe7 (18...b5 19.Ne5 Qe6 20.h3+=). algernon (2135) – gonso (2470), net–chess.com, 2002.

7.Ne5 c6 8.d4 d5 9.Bd3 0–0 10.Qc2 Bc7 =.

7.Ne5 c6 8.Be2 Bc7 9.f4 Qe7 10.0–0 Be5 11.fe5 Qe5 12.Qa4 0–0 13.Qf4 Qf4 14.Rf4 d5 15.c4 Be6 16.Nc3–/+ dc4 17.Bc4 Bc4 18.Rc4 Rad8 19.d4 Rfe8 20.Re1 Ne4 21.Ne4 Re4 22.Rb1 Re7 23.g4 f6 24.Kf2 Kf7 25.Kf3 Ke6 26.h3 Kd6 27.e4 Rde8 28.Re1 g6 29.Kf4 b6 30.h4 Rc7 31.Rec1=+ Rec8 32.g5 Rf8 33.d5 c5–/+ 34.gf6 Rf6 35.Kg5 Rf2 36.R1c2 Rc2–+ 37.Rc2 Ke5 38.Rc4 b5 39.Rc2 c4 40.h5 gh5 41.Kh5 Ke4 42.d6 Rd7 43.a4 a6 44.Re2 Kd3 45.Re1 c3 (45...c3 46.ab5 ab5 47.Rd1 Ke3 48.Re1 Kd2–+) 0–1. marus1 – Pooh4, internet, 2001.

7.Ne5 c6 8.Be2 d5 9.0–0 0–0 10.d4 Ne4 11.c4 Bc7 12.Nf3 Be6 13.Qc2 f5 14.Nbd2 Qf6 15.Bd3 Rac8 16.cd5 cd5 17.Qb3 Rf7 18.Rac1 g5 19.Rc2 Nd2 20.Nd2+= g4 21.g3 h5? 22.f4 Qd8 23.Rfc1 Bb6 24.Rc8 Bc8 25.Qc2 Rc7= 26.Qb2 Rc1 27.Qc1 Qc7 28.Qc7 Bc7= 29.Kg2 Kf7 30.h3 Bd7 31.hg4 hg4=+ 32.Kf2 Ba5 33.Nb3 Bb4 34.Be2 Ke7 35.Nc1 Ba3 36.Nd3 Ba4 37.Ne5 b5 38.Nc6+= Ke6 39.Na7 b4 40.Bb5 Bc2= 41.Nc6 Bb1–/+ 42.Ba4 Ba2 43.Na5 Bc4 44.Nb3 Kd6 45.Ke1 Kc7 46.Kd2 Kb6 47.Nc5+= Bb2 48.Bc2+/– Bc3 49.Kd1 Kb5 50.Bf5 b3 51.Bg4 b2+= 52.Bf5 Ba2 53.g4 Ba5 54.Ke2 b1Q 55.Bb1 Bb1 56.Kf3 Bc2 57.f5 Bd1 58.Kf4 Bc7 59.Kg5 Bd8 60.f6 Bf6 61.Kf6 Bg4 62.Ke5 Bf3 63.Ne6 Kc4? 64.Nf4 Be4 65.Nd5 Kd3?? 66.Nf6+– Bb7 67.Kf4 Kc4 68.d5! Bd5 69.Nd5 Kd5 70.Kf5 Kd6 71.e4 Ke7 72.e5 Kf7= 73.e6 Ke7 74.Ke5 Ke8 75.Kd6 Kd8 76.Kd5 Ke7 77.Ke5 Ke8 ½–½. Griffiths,Hywel (1615) – Kay,Jonathan (2000), BCF–chT4, 2007.

7.Ne5 c6 8.Be2 d6 9.Nf3 0–0 10.0–0 Re8 =+.

5.Nf3 d6

6.Bf6 Qf6 7.Qa4 Nc6 8.d4 d5 9.e4 de4=+ 10.d5?? ef3–+ 11.dc6 Qe6 12.Kd1 Qd6 13.Nd2 b6 14.Bb5?? (better is 14.Qd4 Qd4 15.cd4–+) 0–1. Castlegrande – kurt5561, ChessWorld.net, 2005.

6.Bf6 Qf6 7.Qa4 Nc6 8.Nd4 Bb6 9.e3 Bd7 10.Bb5 0–0 11.Nc6+= Bc6 12.Bc6 bc6 13.Qc6 Qg6 14.0–0 Qc2 15.d4?? Qb2–/+ 16.Na3 Qa3–+ 17.e4 Rfe8 18.Rfd1 Rad8 19.h3 h6 20.Kh2 Re6 21.f4 d5 22.Qb5 Re4 23.Re1 Qc3 (23...Qc3 24.Re4 de4–+) 0–1. alaamattar (2100) – langelli (1765), net–chess.com, 2005.

6.Bf6 Qf6 7.e3 0–0 8.Be2 Bf5 9.Qb3 Bb6 10.d4 Nc6 11.0–0 Rfe8 12.Na3 Na5 13.Qa4 c6 14.Nc4 Nc4 15.Bc4 d5 16.Be2 Bc7 17.c4 Be4 18.cd5 Qd6 19.dc6?? Bf3–+ 20.g3 Be2 21.Rfc1 Bf3 22.cb7 Bb7 23.Rab1 Qd5 (23...Qd5 24.Rb7 Qb7–+) 0–1. Zimmer,Georg – Nebe,Lutz, corr SOK–93–93, 1993.

6.Bg3 0–0 7.e3 Nc6 8.Be2 a6 9.0–0 Bd7 10.d4 Nh5 11.d5 Ng3=+ 12.hg3 Ne7 13.e4 Bg4 14.Qc2 b5 15.Nbd2 Rc8 16.Qd3 c5 17.dc6 Rc6 18.Rac1 Ng6 19.Nb3 Bb6 20.Nbd4 Rc8 21.Qd2 Re8–/+ 22.Bd3 Ne5 23.Be2 Qf6 24.Ne5 Be2?? 25.Qe2?? Re5 26.Qg4 Rc7 27.Nf3 Rec5 28.Nh4 Rg5 29.Qf3 Qf3–/+ 30.Nf3 Rg6 31.Nh4 Re6–/+ 32.Rfe1 Rc4 33.Nf3 Rce4 34.Re4 Re4 35.Kf1 f6 36.Rd1 Bc5 37.Rd2 a5 38.Rb2 b4 39.cb4 ab4 40.Rb3 Rc4 41.Rb2 Rc1 42.Ke2 Kf7 43.Nd2 Rg1 44.Kf3 g5 45.g4 Rc1 46.Ne4–/+ Ke6 47.Re2= Kf7 48.Rd2 Ke6 49.Re2= Kf7 50.Rd2 Ke6 51.Re2= Kf7 52.Rd2 Ke6 ½–½. DanielMena – Salvatore, ChessWorld.net, 2006.

6.Bg3 0–0 7.e3 Nc6 8.Be2 Re8 9.0–0 Bf5 10.Na3 Ne4 11.Nc4 Ng3 12.hg3 Bb6 13.Nb6 ab6 14.d4 Qf6 15.Qd2 Be6?? (better is 15...Be4+=) 16.d5+/– Bd5 17.Qd5 Ne5? (better is 17...Qc3 18.Rfc1 Qa5+/–) 18.Qb7+– Ng4 (18...Qd8+–) 19.Qc7 Qh6 (19...d5 20.Rfb1 Rab8 21.Qf4 Qf4 22.gf4+– (22.ef4?! Re2 23.Nd4 Ree8+/–)) 20.Qb6 Re6 21.Qd4 Rf6 (21...Ne5+–) 22.Qg4 Rg6 23.Qe4 Rf8 24.a4 f5 (24...Qh5 25.Nd4 Qc5 26.c4+–) 25.Qh4 Qh4 26.gh4 d5 27.a5 Rc8 (27...Rc6 28.Rfc1+–) 28.a6 Rgc6 29.a7 Rc3 30.a8Q (30.a8Q Ra8 31.Ra8 Kf7 32.Ra7 Kg8 33.Rb1+–) 1–0. algernon (2390) – lovecraft (2355), net–chess.com, 2013.

4...Bc5

5.a4 0–0 6.Bd4 Bd4 7.cd4 d5 8.Nc3 Bf5 9.e3 b6 10.Nf3 c5 11.dc5 bc5 12.Ne5 Nbd7 13.Nd7 Qd7 14.d4 cd4 15.ed4 Be4 16.Bd3 Rac8 17.Qc2 Bd3 18.Qd3 Rfe8 19.Ne2 Re2 20.Ke2 Qg4 21.Kf1 h5 22.h3 Qg5 23.Qg3 Rc1 24.Rc1 Qc1 25.Ke2 Qh1 26.Qb8 Kh7 27.Qa7 Qg2 28.Qc5 Qe4 29.Kf1 Qh1 30.Ke2 Qh3 31.a5 Ne4 32.Qc2 Qg4 33.Kf1 Qh3 34.Ke2 Qg2 35.a6 Qf2 36.Kd1 Qd4 37.Kc1 Qa1 38.Qb1 Qa6 39.Kc2 Qc4 40.Kd1 Qf1 41.Kc2 Qb1 42.Kb1 h4 43.Kc1 h3 0–1. Nautiluschess – seshadri, ICS blitz, 2001.

5.d4= 0–0?? 6.dc5+– d6?! (6...Nc6 7.Bd4 Re8+–) 7.cd6 cd6 8.Qd6 Qd6 9.Bd6 Rd8 (9...Re8 10.e3+–) 10.Be7 Rd7 11.Bf6 gf6 12.Nf3 Rc7 13.Nd4 Nc6 14.g3 Nd4 15.cd4 Rc1 (15...Be6 16.Bg2+–) 16.Kd2 Rc4 17.e3 Bf5 (17...Rb4 18.Kc3 Rb6+–) 18.Bc4 (18...Rc8 19.Na3+–) 1–0. market (1935) – Stone100 (1620), GameColony.com, 2002.

5.d4= Bd6 6.Bd6+= cd6 7.Nd2 d5 8.Ngf3 0–0 9.e3 d6 10.h3 Bf5= 11.Be2 Qc7 12.Rc1 Nc6 13.0–0 Rae8 14.Bb5 a6 15.Ba4 b5 16.Bb3 b4?? 17.Kh2 a5 18.Kh1 g6 19.cb4 ab4 20.Ba4 Rb8?? 21.Rc6 Qa7 22.Bb3 Bd7 23.Rd6 Rb6 24.Rb6 Qb6 25.Nh2 Qa6 26.g4 h6 27.f4 Bb5 28.Rf2 Re8 29.Qe1 Ba4 30.g5 hg5 31.fg5 Ne4 32.Ne4 Re4 33.Bd5 Rh4 34.Rf7 Bc6 35.Ra7 Bd5+/– 36.Kg1 Qa7 37.Qh4 Qa2 38.Qh6?? Qg2 0–1. theblizzard – Manners, ChessWorld.net, 2005.

5.e3 0–0 6.d4 Be7 7.Bd3 =.

5.e3 Nc6 6.Bg3 (6.d4!? Be7 7.Bd3=) 6...d5 7.Nf3 Bg4 8.d4 Bd6 9.Bd6 Qd6 10.Nbd2 0–0 11.Be2 Rfe8 12.0–0 Ne4 13.Ne4 de4 14.Nd2 Be2 15.Qe2 f5 (15...Qe6 16.Qb5 Rab8 17.f3+=) 16.c4 (16.f3 ef3 17.Qf3 Rf8=) 16...Rf8 17.Rab1 b6 18.Qd1 Rf7 19.Qb3 Kh8 20.Rfc1 Raf8 21.a4 Ne7 22.c5 Qd7 23.cb6 cb6 24.Rc2 Ng6 25.Nc4 f4 26.Qb5 Qf5? 27.Qf5 Rf5 28.Rb5 fe3 29.fe3?? Rf1 0–1. Slavisa2 – bigpopae111, Live Game Caissa's Web, 2004.

5.e3 d6 6.Bf4 h6 7.d4 Bb6 8.Nf3 Bg4 9.Nbd2 0–0 10.Qc2 Nbd7 11.Bd3 Re8 12.h3 Be6 13.0–0 Nh5 14.Bh2 c5 15.Rfe1 Qf6? (15...d5 16.Rab1+=) 16.Bd6 (Better is 16.Ne4 Qe7 17.Bd6+–) 16...cd4 17.Ne4 Qd8 18.cd4 Rc8 19.Qe2 f5 20.Ned2 g5 21.Ne5 Nhf6 22.Rec1 g4 23.h4 Rc1 24.Rc1 Nh5 25.g3 (25...Nhf6 26.Ndc4+/–; 25.Ndc4!? Ne5 26.Be5 Bc7+–) 1–0. slavisa10 – Mirjana6, Live Game Caissa's Web, 2004.

5.Bf6 Qf6 6.d4 Bb6 7.Nf3 0–0 8.e3 d5 9.Be2 Bf5 10.Bd3 Bd3 11.Qd3= c6 12.0–0 Re8 13.Ne5 Qe6 14.f4 Nd7 15.f5 Qe7 16.Nd7 Qd7 17.Nd2 f6 18.e4 de4 19.Ne4= Qd5 20.Rfe1 Rad8 21.Re3 c5 22.Rd1? cd4–+ 23.cd4 Rd7?? 24.Re2 Red8 25.Red2 Re7 26.Nc5?? Bc5–+ 27.dc5 Qd3 28.Rd3+= Rd3 29.Rd3 Rc7 30.Rd5 Kf7 31.Kf2+= Ke7 32.Ke3 Rc6 33.Kd4 a5?? 34.a3 a4 35.g3 Rc7 36.g4 Rd7 37.Rd7+/– Kd7 38.Kd5 h6 39.h3+– Ke7 40.h4 Kd7 41.h5 Ke7? 42.Kd4 Kd7+/– 43.Kd5 Ke7+– 44.c6?? bc6?? 45.Kc6+/– Kd8? 46.Kc5 Kc7 47.Kb4 Kb6 48.Ka4 Ka6 49.Kb4 Kb6 50.a4 Ka6 51.a5 Ka7 52.Kc5 Ka6+/– 53.Kb4 Ka7+– 54.Kb5 Kb7 55.a6 Ka7 56.Ka5 Ka8 57.Kb6 Kb8 58.a7 Ka8 59.Ka6 (59.Ka6 g6 60.hg6 h5 61.g7 hg4 62.g8Q#) 1–0. luthier – BobEsponga, Caissa.com, 2004.

5.d4 Bb6

6.a4 c5 7.Bf6 Qf6 8.Nf3 Nc6 9.d5 Ne7 10.Ra3 Bc7 11.e4 b6 12.c4 0–0=+ 13.Bd3 Ng6 14.0–0 Re8 15.Nc3 Ba6 16.Re1 Ne5=+ 17.Ne5 Be5 18.Qd2 Bc3 19.Rc3 Qd4= 20.h3 d6 21.h4 Re5 22.Kh2 Rae8–/+ 23.f4 Rh5?? 24.Kh3? g5 25.Kg4 Rh4–/+ 26.Kg5 Rh2 27.Re2?? Qg7 28.Kf5 Qg6 0–1. ultrastito – cabroski, net–chess.com, 2005.

6.Qc2 0–0 7.h3 d6 8.Bh2 c5 9.e3 Re8 10.Be2 Nc6 11.dc5 dc5 12.Nf3 Ne4 13.0–0 Bf5 14.Qb2 Qe7 15.Nbd2 Rad8 16.Ne4 Be4 17.a4 Na5 18.Bf4 f6 19.Nd2 Bc6 20.Nc4 Nc4 (20...Qe4 21.f3 Nc4 22.Qa2= (22.fe4? Nb2 23.a5 Rd2–+)) 21.Bc4= Kh8 22.Qe2 (22.Bb5 Qd7=) 22...Ba5+= 23.Rfc1 a6 24.Ra3 Rd7 25.Ra2 Red8 26.Kh2 g5 27.Bg3 Kg7 28.f4 h6 29.fg5 hg5 30.Qf2 Be4 31.Bf1 Bd3 32.Be2 Be2 33.Qe2 (better is 33.Re2!? Qe4 34.c4–/+) 33...Rd3–+ 34.e4?? (34.c4–+) 34...Rc3 (better is 34...Rg3 35.Kg3 Qe5 36.Kf2 Qf4 37.Qf3 Qc1–+) 35.Rf1 Bc7 36.Bc7 Qc7 37.Kh1 Rcd3 38.Rc2 Qe5 39.Rb2 R8d7 40.Rb6 R3d6 41.Rbb1 Re7 42.Rbd1 1–0. Radwan,Jan (1615) – Janocha,Jan (1830), Ogolnopolski Integracyjny Turniej Szachowy Poland, 2012.

6.Nd2 d6 7.Bg3 h5 8.h4 Ng4 9.e4= Rh6 10.Be2 Rf6 11.Bg4 Bg4= 12.f3 Bd7 13.Qe2 g6 14.Kd1 Ba4 15.Nb3 Bc6 16.Kc2 Ba4 17.Nh3 Re6 18.Ng5 Re7= 19.Qc4 Bc6 20.Rad1 a6 21.Rhe1 Bb5 22.Qb4 Nc6 23.Qa3 f6 24.Nh3 Rg7 25.e5+/– de5 26.de5+– fe5 27.Rd8 Rd8 28.Be5 Re7 29.f4 Kd7 30.Rd1 Kc8 31.Rd8 Kd8 32.Bf6 Kd7 33.Be7 Ne7 34.Nd4 Bf1 35.Qa4 Kd6 36.Ng5 Bg2 37.Qc4 Bd5+– 38.Nf7 Kd7 39.Qd5 Nd5–/+ 40.Ne5 Kd6 41.Ng6–+ Ne3 42.Kd3= Nd5 43.f5 c5 44.Nf3 Nf4?? 45.Ke4 Nd5+= 46.c4 Nc3 47.Kf4 Na2 48.f6 Ke6 49.Kg5 a5? 50.Nf8 Kf7 51.Nd7 Bd8 52.Nfe5?? Ke8?? 53.Kh5+– Bf6 54.Nf6 Ke7 55.Kg6 a4 56.Ne4 a3 57.Nc5?? Kd6?? 58.Nb3 Ke5 59.h5 Nb4 60.h6 Nc2 61.h7 a2 62.h8Q Ke4 63.Qd8 b6 64.Qd5 Ke3 65.Qd2 Ke4 66.Qc2 (66.Qc2 Kf3 67.Nd4 Ke3 68.Qc3 Kf2 69.Qf3 Kg1 70.Ne2 Kh2 71.Qf2 Kh3 72.Qg3) 1–0. theblizzard – kurt5561, ChessWorld.net, 2005.

6.e3 0–0 7.Bd3 d6 8.Bg3 Re8 9.Qc2 d5 10.Nf3 Bg4 11.Ne5 Bh5 12.Bh4 Bg6 13.Ng6 fg6 14.Nd2 c5 15.Nf3 c4 16.Be2 Qd6 17.Ne5 Nbd7 18.f4 Ne4 19.0–0 Ndf6 20.f5 Ba5 21.fg6= hg6 22.Ng6 Bc3 23.Rab1 Rf8?? 24.Qa4?? Bd2 1–0. katchum (1615) – hsingletary (1755), net–chess.com, 2001.

6.e3 d5=.

6.e3 d6 7.Bg3 c5 8.Nf3 Bg4 (8...0–0 9.Bd3= cd4 10.cd4 Nc6 11.0–0 Nb4 12.Nc3 Qe7 13.Rc1 Bg4; 8...Nc6 9.Bd3 0–0 10.0–0 d5 11.dc5 Bc5 12.Nbd2 Re8 13.Qc2 Bd6; 8...d5 9.Nbd2 0–0 10.dc5 Bc5 11.Bd3 Nc6 12.0–0 Qe7 13.Qc2 Bd7; 8...cd4 9.cd4 0–0 10.Bd3 Nc6 11.0–0 Nb4 12.Nc3 Qe7 13.Rc1 Bg4; 8...Be6 9.Na3 cd4 10.Nd4 Bd4 11.ed4 Qe7 12.f3 Nc6 13.Kf2 0–0) 9.Bb5 Bd7 10.Bd3 (10.Na3 cd4 11.cd4 Ba5 12.Kf1 d5 13.Bd3 0–0) 10...Qe7 (10...d5 11.0–0 Nc6 12.Nbd2 c4 13.Be2 0–0) 11.0–0 0–0 12.Nbd2 Nc6? (better is 12...Bg4!?+= 13.Nc4 Rd8; 12...d5 13.dc5 Qc5) 13.Nc4+– Bc7 14.dc5 d5 15.Bc7 dc4 16.Bd6 (16.Bc4?! Qc5 17.Bb3 Rfe8+/–) 16...Qe6 17.Ng5 Qd5 (17...Qg4 18.Qg4 Bg4 19.Bc4+–) 18.Bh7! Kh8 (18...Nh7 19.Qb1) 19.Qd5 (19.Bf8?! Qg5 20.Bg7 Kg7+=) 19...Nd5 20.Bf8 f6 (20...Rf8 21.Rad1 Be6+–) 21.Rfd1 Nc3 (21...fg5 22.Rd5 Be6 23.Rg5 Rf8+–) 22.Rd7 (better is 22.Bg7 Kg7 23.Rd7 Kh6+–) 22...fg5 (22...Rf8 23.Ne4 Kh7 24.Nc3+–) 23.Bg7 (23.Bg7 Kh7 24.Bc3 Kg8 25.Rb7+–) 1–0. Keshk,Adel (2170) – Elnashar,Ayman, Tanta Open, Tanta City EGY, 2002.

6.e4 0–0 7.Qf3 Nc6 8.Bf6 Qf6 9.Qf6 gf6 10.Nd2 Re8 11.Bd3 f5 12.Kf1 (12.0–0–0 fe4 13.Ne4 Kg7=) 12...Ba5 13.Rc1 Nd4 14.Nc4 (14.cd4 Bd2) 14...fe4 15.cd4 (< 15.Na5 ed3 16.cd4 b6–/+) 15...ed3 16.Na5 b6 17.Nf3 ba5 18.Rc5? d2!–+ 19.Nd2 Ba6 20.Nc4 d5! 21.g3 Bc4 22.Kg2 Ba2 23.Ra1 Bc4 24.Rc7 Re4 25.Ra5 a6 26.Rac5 Rd4 27.Re7 Kg7 28.Rcc7 Rf8 29.Kf3 Rd3 30.Kf4 Rd2 31.Ke3 Re2 32.Kf3 Re7 33.Re7 Kf6 34.Rd7 Ra8 35.g4 a5 36.Rd6 Ke5 37.Rd7 a4 38.Rf7 a3 39.Re7 Kd4 40.Re1 a2 41.Ra1 Kc3 42.Ke3 d4 43.Ke4 d3 44.Rc1 Kb2 45.Rc4 a1Q 46.Rd4 Qe1 47.Kf3 Rf8 48.Rf4 d2 49.Rf8 d1Q 50.Kf4 Qf2 51.Ke5 Qdd4 52.Ke6 Qf8 53.g5 Qdd6# 0–1. Caissa (1755) – orane (1945), Live Game Caissa's Web, 2003.

6.e4 0–0 7.Qf3 Nc6 8.Bf6 Qf6 9.Qf6 gf6 10.Nd2 Re8 11.Kd1 d6 12.Bd3 Bg4 13.f3 Bh5 14.Bb5 Rad8 15.d5 a6 16.Ba4 Ne5 17.Be8 Re8 18.Ne2 Nd3 19.Kc2 Nc5 20.Nc4 Ba7 21.Nd4 b5 22.Ne3 Bg6 23.Nc6 Bb6 24.Rhe1 Kf8 25.Kd2 Nd7 26.Nd4 Ne5 27.Rab1 Bc5 28.a4 ba4 29.Rb7 h5 30.Ra1 a3 31.Rc7 Rb8 32.Rc5 dc5 33.Ndc2 h4 34.f4 Nd7 35.f5 Bh5 36.Ra3 Ra8 37.Ra5 Ke8 38.Nc4 Kd8 39.N2e3 Kc7 40.d6 Kb7 41.Nd5 Rd8 42.Nf4 Rh8 43.Ke3 Bd1 44.Ra1 Bb3 45.Na5 1–0. kamret (2195) – ‹Mecking› (2170), GameColony.com, 2003.

6.e4 0–0 7.Qf3 d6 8.Bf6 Qf6 9.Qf6 gf6 10.Nf3 Re8 11.Nbd2 Ba5 12.Rc1 Nc6 13.Bc4 a6 14.h3 Ne7 15.Nb3 Bb6 16.0–0 d5 17.ed5 Bf5 18.Rfe1 a5 19.g4 Bg6 20.Nc5 Bc5 21.dc5 Rad8 22.d6 cd6 23.cd6 Rd6 24.Bb5 1–0. pozarski (2090) – NN, GameColony.com, 2002.

6.e4 Nc6 7.Qf3 Ne5 8.de5 Ng8 9.Bc4 Qe7 10.Ne2 Nh6 11.Qf4 0–0 12.Nd2 Re8 13.Rb1 Qe5 14.Qe5 Re5 15.f4 Re8 16.Nd4 d6 17.0–0 Rb8 18.Kh1 Ng4 19.Rfe1 Nf2 20.Kg1 Ng4 21.N2f3 Be6 22.Be6 Re6 23.h3 Nf6 24.Rb6 ab6 25.e5 Nd7 26.Ne6 fe6 27.ed6 Kf7 28.dc7 Rc8 29.Ng5 Ke7 30.Re6 Kf8 31.Nh7 Kg8 32.Ng5 Rc7 33.Re8 Nf8 34.Rf8 Kf8 35.Ne6 1–0. marekt – NN, internet, 2002.

6.e4 d6 7.Bf6 Qf6 8.Bb5 (8.Nd2 Nd7=) 8...c6=+ 9.Bc4 0–0 10.Nd2 (10.Ne2 Re8 11.Nd2 Bc7=+) 10...Be6 (10...Ba5 11.Rc1=+) 11.Be6 (11.Qf3 Qe7=) 11...fe6 (11...Qe6 12.Ne2=) 12.Ngf3 Nd7 13.Rb1 (13.Qb3 Qg6=) 13...e5 14.Qb3 Kh8 15.0–0 Rae8 16.Qc4 (16.a4 Re7=) 16...ed4 (16...Qg6 17.a4 ed4 18.cd4=) 17.cd4 Qe6 18.Qe6+= Re6 19.Rfc1 h6 20.a4 Nf6 21.a5 Ba5= 22.Rb7 Bd2=+ 23.Nd2 Ne4 24.Nf3 c5 25.dc5 Nc5 26.Ra7= Re2 27.Re1 Re1=+. market (2220) – NN, GameColony.com, 2002.

6.Nf3 0–0 7.Qc2 A) 7...d6 8.Bf6 Qf6 9.e3 Bf5 10.Bd3 Bd3; B) 7...h6 B1) 8.Nbd2 d6 9.Bf6 Qf6 10.e4 Qg6; B2) 8.e3 d6 9.Bf6 Qf6 10.Qe4 c6; B3) 8.e4 d6 9.Bf6 Qf6 10.Bd3 c5; C) 7...d5 C1) 8.Nbd2 Nfd7 9.Bf4 Re8 10.e3 c5; C2) 8.e3 Nbd7 9.Bd3 c5 10.Nbd2 c4.

6.Nf3 0–0 7.Nbd2 d6 8.Bf6 Qf6 9.e4 Bg4 10.Bd3 Nd7 11.0–0 Rfe8 12.Re1 c6 13.Qc2 c5 14.e5 de5 15.Bh7 Kf8 16.de5 Ne5 17.Ne5 Re5 18.Be4 Rae8 19.Kh1 Qf2–/+ 20.Rf1 Qh4 21.Bg6 R8e7–+ 22.Ne4? Kg8 23.Bf7 Rf7 24.Rf7 Kf7 25.Rf1 Bf5 26.Nd6=+ Ke6 27.Nf5+/– Qg4 28.Ng3 Bc7 29.Qb3+– c4 30.Qb7 Rc5?? 31.Qc8 (31.Qc8 Ke7 32.Qg4+–) 1–0. alaamattar (2100) – flyfishermike (2120), net–chess.com, 2007.

6.Nf3 0–0 7.e3 A) 7...Re8 A1) 8.Bd3 d6 9.Bf6 Qf6 10.0–0 d5; A2) 8.Nbd2 Nc6 9.Bd3 d5 10.Bf6 Qf6; A3) 8.Bb5 Nc6 9.Bf4 Ne4 10.Qa4 d5; B) 7...d5 B1) 8.Bb5 Bf5 9.0–0 Nbd7 10.Bd3 Ne4; B2) 8.Be2 Nbd7 9.Bf4 Re8 10.0–0 Ne4; B3) 8.Bd3 Nbd7 9.0–0 Ne5 10.Ne5 c5; C) 7...d6 C1) 8.Bf6 Qf6 9.Bd3 d5 10.0–0 Bf5; C2) 8.Bf4 Nd5 9.Bg5 f6 10.Bc4 c6; C3) 8.Bg3 Bf5 9.Bd3 Bd3 10.Qd3 Re8.

6.Nf3 Nc6 7.Nbd2 Ne5 8.Ne5 (8.de5 Ng4 9.e3 d5=) 8...d6=+ 9.Nec4 0–0 10.g3 (10.e3 Qe7=) 10...c6 11.Nb6 ab6 12.Bg2 Be6 13.a3 Qd7 14.0–0 Bh3 15.Qb3 b5 16.c4 bc4 17.Nc4 Bg2 18.Kg2 Ra7 19.Rfb1 Rfa8?? (Better is 19...Qe6=+) 20.Nb6+/– Qg4? (Better is 20...Qe8!? 21.Na8 Qa8+/–) 21.Na8+– Ra8 22.Qb7 Re8 23.Qc6 Qd4 24.e3 Qd2 25.Rd1 Qe2 26.Rd6 h6 27.Rf6 gf6 28.Qe8 Kg7 29.a4 Qc4 30.a5 h5 31.a6 h4 32.a7 Qd5 33.e4 h3 34.Kh3 Qh5 35.Kg2 Qe2 36.a8Q Qg4 37.Qg8 Kh6 38.Qh8 Kg5 39.Qag8# 1–0. KermitTheFrog – Wookie2011, Live Game Caissa's Web, 2004.

6.Nf3 Nc6 7.Bg3 0–0 8.e3 Ne4 9.Bf4 d5 10.Bd3 Re8 11.0–0 f6 12.Be4 de4=+ 13.Nfd2 Bf5 14.c4 Nd4 15.ed4 Bd4 16.Be3?? Ba1–+ 17.Na3 Bd4 18.Nb5 Be3 19.fe3 Bd7 20.Nd4 c5 21.Ne2 Be6 22.Ng3 Qd3 23.Nge4 Qe3 24.Kh1 Rad8 25.Qb3 Qb3 26.ab3 f5 27.Ng5 Rd2 28.Re1 Bf7 29.Nf7 Kf7 30.Rf1 g6 31.h3 Ree2 32.Rg1 Rb2 33.Rd1 Ke7 34.Rd5 b6 35.b4 Rb4 36.Kh2 Rc4 (36...Rc4 37.Kg3 Rc3 38.Kh2 Rcc2–+) 0–1. badboy1221 – InsertIsHere, Live Game Caissa's Web, 2006.

6.Nf3 d6 7.Bg3 Bg4 8.Nbd2 0–0 9.e3 Re8 10.Be2 d5 11.0–0 Ne4 12.Ne4 de4 13.Nd2 Be2 14.Qe2 Nc6 15.c4 a5 16.c5 Ba7 17.Qg4 Qe7 18.Rab1 b6 19.cb6 Bb6 20.Rfc1 Nb4+= 21.a4 Nd3 22.Rc6 Rab8 23.Bh4 Qf8+= 24.Bf6 g6 25.Ne4+/– Bd4 26.Rb8+– Rb8 27.h4?? Rb1=+ 28.Kh2 Bf6 29.Nf6+/– Kg7? 30.h5?? Nf2?? 31.Qd4 Qa3?? 32.Ng4 Kg8 33.Qd8 Qf8+– 34.Nf6 (34.Nf6 Kg7 35.h6 Kh6 36.Qf8 Kg5 37.Qf7 Rh1 38.Kg3 Rh3 39.gh3 Nh1 40.Kg2 Ng3 41.Nh7 Kh5 42.Qg6 Kh4 43.Qg5) 1–0. alaamattar (2190) – flaviolucas (2175), net–chess.com, 2006.

5.d4 Be7

6.e3 d6 7.Bf6 Bf6 8.Bd3 c6 9.Nd2 d5 10.Ne2 Nd7 11.Nf4 g6 12.Qf3 Nb6 13.a4 a5 14.0–0 Be6 15.e4 0–0+= 16.e5 Be7 17.Rfb1 Rb8 18.Ne6+– fe6 19.Qh3 Nd7 20.Qe6 Rf7 21.Nf3 Kg7 22.Qg4 Nf8 23.h4 c5 24.Rb5 b6 25.Rab1 Qc7 26.Ng5 Bg5 27.hg5 c4 28.Bc2 Qc6 29.f4 Ne6 30.g3 Nc7 31.R5b2 b5 32.ab5+– Nb5? 33.Ba4 Rfb7 34.f5 gf5 35.Qf5 Rf8 36.Qh3 Rfb8 37.Qh6 Qh6 38.gh6 Kh6 39.Rb5 Rb5 40.Rb5 Rg8 41.Kg2 Rd8 42.Ra5 Kg5 43.Bc6 (43.Bc6 Rb8 44.Ra2+–) 1–0. Dickson,Pat – Sun,Albert, IECG, 1997.

6.Nf3 0–0 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.c3 Be7 7.d4).

6.Bf6 Bf6 7.e3 0–0 8.Bd3 g6 9.Nf3 Nc6 10.Nbd2 b6 11.h4 d6 12.Ne4 Bg4 13.Nf6+= Qf6 14.Be4 Bd7 15.Qa4 d5 16.Bd5+/– Rad8 17.Qd1 Ne7 18.Bc4 Bg4+= 19.Be2 c5 20.Ne5 Be2 21.Qe2 Nf5 22.h5 Rd5 23.e4 Nd4 24.cd4+– Rd4 25.Nd3?? Re4!!–+ 26.Qe4 Qa1 27.Kd2 Qh1 28.hg6 Qh6 29.f4 Qg6 30.Qg6 fg6 31.Kc3 Kg7 32.Kc4 h6 33.g3 g5 34.a4 a6 35.Kc3 gf4 36.Nf4 Rf4! 37.gf4 h5 38.Kd3 Kf6 39.Ke4 h4 40.f5 h3 41.Kf3 Kf5 0–1. katchum (1765) – mvoong (1620), net–chess.com, 2001.

5.Nf3 d6

6.Bd4 Bd4=+ 7.cd4 Be6 8.e3 Nc6 9.Bd3 0–0=+ 10.Nc3 Ng4 11.h3 Nf6= 12.Be4 d5 13.Bd3 Nb4 14.Bb1 a5 15.e4?? de4–+ 16.Ne5?? Qd4 (16...Qd4 17.Ng4 Nfd5–+) 0–1. Castlegrande – Manners, ChessWorld.net, 2005.

6.Bf4 0–0 7.d4 Bb6 8.Bg5 Bf5 9.Nbd2 Re8 10.Nh4 Bg6 11.Ng6+= hg6 12.g3 Nbd7 13.Bg2 c6 14.e3 d5 15.h4 Qc7 16.0–0 Ne4 17.Bf4 Qd8 18.Ne4 de4 19.h5 g5= 20.Bd6 Nf6 21.Be5 Qe7 22.Rb1 Rad8 23.Qc2 Nh5 24.Be4+/– f6 25.Bh7+– Kf8 26.Bg6 fe5 27.Bh5 ed4 28.Be8 Re8? 29.ed4 g4 30.Qf5 Qf7 31.Qg4 Kg8 32.Rfe1 Rf8 33.Rf1 c5?? 34.d5 c4 35.Qe2 Qd5+/– 36.Kh2 Rf6 37.Rh1?? Rh6 38.Kg1 Rh1# 0–1. serbiansaint – LeroyTalmaBosco, Caissa's Web, 2004.

6.Bf6 gf6 7.d4 Bb6 8.e3 +=.

6.Bf6 Qf6 7.d4 Bb6 =.

4...Nc6

5.Qb3 d6 6.Nf3 –/+.

5.Qb3 Ne5 6.Qb4 b6 7.f3 c5–/+ 8.Qh4 0–0 9.Na3 d5 10.Qg5 Qe7 11.d4?? Nd3–+ 12.Kd2 Ne4! 13.fe4 Qg5 14.Kd3 de4 15.Kc2 cd4 16.Nc4 Qc5 17.e3 d3 18.Kb3 Be6 (18...Be6 19.Bd3 ed3–+) 0–1. SilentPlayer – Novice99, Live Game Caissa's Web, 2005.

5.d4 Bd6 6.Bd6+= cd6 7.Nd2 Qa5 8.Qc2 0–0 9.e4 Re8 10.Be2 Nd4?? 11.cd4+– Ne4 12.f3 Qd2 13.Qd2+– Nd2 14.Kd2 b6 15.Nh3 d5 16.Nf4 Bb7 17.Rhe1 d6 18.Bb5 Rf8 19.Re7 Rab8 20.Rc1 a5 21.Rcc7 Ba8 22.Ne6! g6 23.Nf8 Rf8 24.Re8 Kg7 25.Rf8 Kf8 26.Rc8 (26.Rc8 Ke7 27.Re8 Kf6 28.Ra8+–) 1–0. Grehl,Siegfried – SC2, 1990.

5.d4 Ne5? 6.de5 Bc5 7.ef6 Qf6 8.e3+–.

5.d4 Be7 (--> 4.c3 Be7 5.d4 Nc6).

5.Nf3 Be7 6.d4 0–0 7.Bf6 Bf6 8.e3 Ne7 9.Bd3 d5 10.0–0 Bf5 11.c4 (11.Bf5!? Nf5 12.Nbd2=) 11...dc4+= 12.Bc4 c5 13.Nc3 (13.dc5 Ba1 Pinning (13...Ba1 Deflection)) 13...Rc8 14.Qb3 cd4 15.Rad1? (better is 15.Nd4 Bd4 16.ed4 Qd4 17.Nd5 Nd5 18.Bd5–/+) 15...Qc7–+ (15...Qc7 16.Bf7 Rf7–+; 15...dc3?! 16.Rd8 Rfd8 17.Bf7 Kf8 18.Rc1=) 0–1. algernon (2325) – tanitobacsi (2465), net–chess.com, 2013.

5.Bf4 Ba5 6.Nf3 d5 7.g3 0–0=+ 8.Bg2 Ng4 9.d4 Bf5 10.Qc1 Re8 11.e3 Nf6 12.0–0 Nh5 13.Nbd2 Nf4 14.ef4 Qf6 15.Re1 Re1 16.Ne1 Ne7 17.Ndf3 Re8 18.Ne5 Qd6 19.g4 Bc8 20.N1d3? f6–+ 21.Nf3 Bg4 22.h3 Bc8 23.a4 b6 24.Kh2 Ba6 25.Qc2 Bd3 26.Qd3 Qf4 27.Kh1 Ng6 28.Qb5 Kf7 29.Qd5–/+ (29.Qd5 Kf8 30.Re1–/+). dennism (2100) – hasant (1915), net–chess.com, 2008.

5.Bf4 Be7 6.e3 Nd5 7.Bg3 d6 8.d4 0–0 9.Bd3 Re8 =.

5.Bg3 Bd6 6.Bd6 cd6 7.Qa4 d5 8.d4 0–0 9.Nd2 Re8 10.e3 d6 11.Bb5 Bd7 12.Ne2 a6 13.Bc6 Bc6 14.Qc2 Ne4 15.0–0 Rc8 16.f3 Nf6–/+ 17.e4 de4–+ 18.fe4 Ne4 19.Nf3 Bb5 20.a4 Be2 21.Rfe1 Bf3 22.gf3 Nf6 23.c4 Qb6 24.Qd3 Qb4 25.Rec1 Qa5 26.Rab1 Qg5 27.Kh1 b5 28.ab5 ab5 29.Rg1 bc4 30.Qa3 Qd5 31.Rg3 Qd4 32.Rbg1 g6 (32...g6 33.Qc1 Qf2–+) 0–1. xtrachess – Tahl8, Live Game Caissa's Web, 2006.

5.cb4 Ne5

6.d4 Nc6 7.b5 Ne7 8.Nc3 d5 9.e3 Bf5 10.Nf3 Ne4 11.Ne4 Be4 12.Ng5 Bg6 13.Bd3 0–0 14.0–0 Nf5 15.Nf3+= Nh4 16.Nh4 Qh4 17.Rc1 Qe7 18.Rc5 Rfd8 19.Bg6+/– hg6 20.Qb3 Qd6 21.Rfc1 Rac8 22.Qa4 Qb6 23.Qc2 Rd7 24.a4 Qd6 25.a5 Qe6 26.Qb3 Qd6 27.h3 Rcd8 28.R1c3 Re8 29.Qc2 Rc8 30.Qb3 Re8 31.Qc2 Rc8 32.a6 b6 33.Rc6+– Qe7 34.f3 Qd8 35.Qf2 Qg5 36.Kh2 Qe7 37.Qg3 Kf8 38.Qf4 Ke8 39.Kg3 Qd8 40.Kh2?? Re7?? 41.Qg5 Qd7 ½–½. Vilaboa,JM – Fuentes,AG, corr E, 1992.

6.d4 Nc6 7.b5 Ne7 8.e3 a6 =.

6.d4 Nc6 7.b5 Ne7 8.Nf3 =+.

6.d4 Ng6 7.e3= Qe7 8.a3 Nf4 9.Nc3 d5 10.Qf3 Ne6 11.Nd5+/– Nd4 12.Nc7 Qc7 13.ed4 0–0 14.Be2 Re8+= 15.Rd1 Qc4 16.Qd3 Be6 17.Nf3 Qd3 18.Rd3+/– Bc4 19.Re3 Be2 20.Ke2 Ng4 21.Re8 Re8 22.Kf1 Rc8 23.h3 Rc1 24.Ne1 Nf6 25.g3 Ra1 26.Kg2 Ra3 27.Nf3 Rb3 28.Rc1+/– g6 29.Rc8 Kg7=+ 30.Rc7 Rb4 31.Ng5 Rb6 32.Rf7 Kg8 33.Rc7+= a5 34.f3 a4= 35.Rc8 Kg7 36.Ne4 Ne4 37.fe4= a3 38.Rc1 a2 39.Ra1=+ Rb2 40.Kf3= b5 (41.Kf4 b4=+). Heyn – Sternik,Ryszard, corr 3GMM–25, 1996.

6.d4 Ng6 7.Nf3 0–0 8.Nc3 d5 9.e3 Bg4 10.Be2 Qd6 11.a3 a5 12.b5 Rfc8 13.0–0 c5 14.bc6 Rc6 15.Nb5 Qe6 16.Ne1 Be2 17.Qe2 Rc4 18.Nd3 Rac8 19.Nc5 Qe7 20.Rfc1 b6 21.Rc4 dc4 22.Na4 Nf4 23.Qf3 N4d5 24.Nac3 Rd8 25.Qe2 Nc3 26.Nc3 Rc8 27.a4 Qb4 28.Qc2 Qd6 29.Rb1 Rd8 30.Qb2 Nd7 31.Qb5+= Rc8 32.Qa6 Qc6 33.e4 Kf8 34.g3 Re8 35.Qb5 Qb5 36.Rb5 Re6 37.f4 Rd6 38.d5 Rh6 39.Kg2 f6 40.Rb2 g5 41.fg5 fg5 42.Kf3 Ne5 43.Ke3 Rh2 44.Rh2+– Ng4 45.Kd4 Nh2 46.d6 Kf7 47.Kd5 Ng4 48.e5 Ne3 49.Kd4 Nf5 50.Kc4 Ng3 51.Kd5 Ke8 52.e6 Nf5 53.Nb5 Ne7 54.de7 Ke7 55.Nd4 g4? 56.Nf5 (56.Nf5 Kf6 57.e7+–) 1–0. Winiger,Albert (2150) – Baensch,Hans (1880), RSX8D – priv – XMAS, 2004.

6.f4 Ng6–/+ 7.e3 0–0 (7...Qe7!?–/+) 8.Bd3+= b6 (8...Qe7 9.Bg6 fg6 10.Qb3 d5 11.Nf3=) 9.Nc3 Bb7 10.Bg6?? (10.Nf3 Ne7=) 10...fg6?? (better is 10...Bg2 11.Bf5 Bh1–+) 11.Nf3= Ne4 12.Ne4 Be4 13.d3 Bf3 14.Qf3 Qh4 15.g3 Qf6 16.0–0 Qd6 17.b5 Qd3+= 18.a4 Rfe8 19.Rad1 Qe3 20.Qe3 Re3 21.Rd7 a6 22.Rc1 ab5 23.Rcc7 ba4 24.Rg7 Kf8 25.Rh7 Kg8 26.Rcg7 Kf8 27.Rb7 Kg8= 28.Rhg7 Kf8 29.Rg6 a3 30.Rf6 Kg8 31.Rfb6?? a2–+ 32.Rb8 Rb8 33.Rb8 Kf7 34.Ra8 Re1 35.Kf2 a1Q 36.Ra1 Ra1 37.h4 Ra3 38.g4 Ke6 39.Kg2?? Kd5–+ 40.h5 Ke4 41.f5 Kf4 42.f6 Kg4 43.h6 Kg5 44.h7 Ra8 45.h8Q Rh8 46.f7 Rf8 47.Kf3 Rf7 0–1. Yannick (1630) – Sobral, playchess.de, 2006.

6.Nh3 Qe7 7.Qc2 d5 8.e3 (8.Ng5 h6 9.Nf3 Nf3 10.gf3 Be6–/+) 8...Bh3–+ 9.f4 (9.gh3 0–0–0–/+) 9...Bd7 (9...Nc6!? 10.gh3 Nb4 11.Qa4 c6 12.a3–+).

5.Bc7 Qc7

6.cb4 Nb4 7.Nc3 0–0 8.Qb3 a5 9.a3 Na6 10.Nb5 Qc6 11.Nd4 Qe4 12.Ngf3 Nc5 13.Qc4 d6 14.d3 Qe7 15.h3 d5 16.Qc2 Bd7 17.Nb3 Ba4?? 18.Qc5+– (18.Qc5 Qd7 19.Na5+–) 1–0. Seack,Ingo – Sander, corr SOK–88–20, 1989.

6.cb4 Nb4 7.Nc3 0–0 8.Qb3 Nc6 9.e3 d6 10.Nb5 Qe7–/+ 11.Qb2 Bf5 12.Nf3 Rfe8 13.Be2 a6 14.Nbd4 Rac8?? 15.Nf5+– (15.Nf5 Qe6 16.N3d4 Nd4 17.Nd4+– (17.Qd4?! Qf5 18.0–0 d5=; 17.ed4?? Qe2)) 1–0. Seack,Ingo – Perlitz,J, corr SOK–89–44, 1989.

6.cb4 Nb4 7.Nc3 0–0 8.Qb3 Nc6 9.Nf3 d5 10.e3 (10.Nd5? Nd5 11.Qd5 Nb4–+) 10...Bg4 11.Be2 Rad8 12.0–0 d4 13.Nd5?? Qe7 14.Rfe1 d3 15.Bf1 Ne4 16.Qb2 Bf3 17.gf3 Ne5 18.Bg2 Ng5?? 19.Kh1 Ngf3?? 20.Rf1 Qh4 21.h3 Ng4 22.Rad1?? Qf2!! (23.Ne7 Kh8 24.Qg7 Kg7 25.Nf5 Kf6 26.hg4 Qd2 27.Rd2 Nd2–+) 0–1. Jaramillo,Carlos O – Garcia,Gildardo (2445), Manizales op, 1999.

5.d4 Ba5

6.e3 0–0 7.Bd3 d6 8.Bf6 Qf6 9.Qh5 g6 10.Qf3 Qg5 11.Ne2 Kg7 12.0–0 Qf6 (12...h6 13.h3=) 13.Qf6+= Kf6 14.Nd2 Re8 15.Rab1 Bb6 16.Nf4 h5 (16...Kg7 17.Nc4+=) 17.Ne4 (17.Nd5 Kg7+/–) 17...Kg7+= 18.Rb5 Bf5 (18...Bd7!? 19.Rfb1 Ne7+=) 19.Nh5!+/– gh5 (better is 19...Kf8!? 20.Nhg3 Be4 21.Be4 Na5+/–) 20.Rf5+– Ne7 21.Rh5 Ng6 (21...d5 22.Ng3+–) 22.Rb1 Rh8 23.Ng3 c6 (23...Rh5 24.Nh5 Kh6+–) 24.Nf5 Kf6 25.Rh8 Rh8 26.Nd6 Bc7 (26...Rb8 27.c4+–) 27.Ne4 Kg7 28.Rb7 Bh2 29.Kf1 Bb8 30.Bc4 1–0. kamret (2215) – Sutojeby (1970), GameColony.com, 2003.

6.e3 0–0 7.Qf3 Ne5 8.de5 Ne8 =.

6.e3 0–0 7.Bf6 Qf6 8.Bd3 d5 (8...Re8 9.Ne2+=) 9.Qh5+= g6 10.Qh6 (10.Qd5 Rd8 11.Qf3=) 10...Bf5 11.Qf4 Ne7 12.Bf5 Qf5 (better is 12...Nf5!? 13.Ne2 Qb6–/+) 13.Qf5+= Nf5 14.Ne2 c6 (14...c5 15.Nd2 cd4 16.cd4+=) 15.Nd2 Bc7 (15...Kg7 16.0–0–0+=) 16.0–0 b6 (16...Rfe8 17.c4+=) 17.a4 c5 18.a5 c4 (18...Kg7 19.g4 Nh6 20.h3=) 19.ab6 ab6 (worse is 19...Bb6 20.Rfb1+/–) 20.Rfb1 Kg7 21.g4 Nh4 22.f3 f5 23.g5 h6 (23...Rfe8 24.Kf2+=) 24.gh6 (24.Nf4 Bf4 25.ef4 b5=) 24...Kh6= 25.Kf2 g5 (25...Bh2? 26.f4 Ra1 27.Ra1+–) 26.f4 gf4 27.Nf4 Ra1 28.Ra1 Bf4 29.ef4 Rg8 30.Nf3 Rg2 31.Kf1 Rg4 32.Nh4 Rh4 33.Kg2 Rf4 34.Ra8 Rg4 35.Kf3 Rh4 36.Kg3 Re4 37.Kf3 Re1 38.Kf4 Rc1 39.Rb8 Rc3 40.Rb6 Kh7 41.Kf5 Rh3 42.Rb7 Kh6 43.Rb6 Kh7 44.Rb7 Kh6 45.Rb6 Kh7 46.Rb7 ½–½. yulio (2050) – drengur1 (1975), gameknot.com, 2015.

6.e3 Ne5 7.de5 Ne4? (better is 7...Ng8+=) 8.Qa4 +–.

6.Bf6 Qf6

7.e3 0–0 8.Bd3 Re8 9.Ne2 d5 10.0–0 a6 11.Qc2 g6 12.Nd2 Bd7 13.e4 de4 14.Ne4 Qe7 15.Nf4 Be6 16.d5+/– Bf5 17.dc6 Be4 18.Rae1 Bd3 19.Nd3 Qd8 20.cb7 Rb8 21.Ne5 Qd5 22.Ng4 Re6 23.Re5 Qc4 24.Nh6 Kg7 25.Ra5 Kh6 26.Rb1 Kg7= 27.Ra4 Qc6 28.Rab4 Rb7 29.Rb7 Qb7 30.Rd1 c5 31.c4 f6 32.Qd3 Qe7 33.g3 Re2 34.Qd7 Qf7 35.Qa4 Qe6 36.a3 Kh6 37.Qb3 Re4 38.Rc1 g5 39.a4 g4 40.Qb8 Rc4 41.Qf8 Kg6 42.Rc4 Qc4 43.Qe8 Kg5 44.Qd7 Kh6 45.Qc6 Kg6 (45...Qd4 46.Qa6 c4 47.Qc6=+) ½–½. Dubleumortier,Alain (2075) – Brege,Jean Luc (2045), corr Aquitaine–ch, 1998.

7.e3 0–0 8.Bd3 Re8 9.Ne2 d5 10.Qc2 g6 11.0–0= Bd7 12.Nd2 Ne7 13.e4 de4 14.Ne4 Qg7 15.Rad1 Nd5 16.Qb3 Bc6= 17.c4 Nb6 18.Nc5 Qf8 19.Ng3 Qd6 20.Be4 Rab8 21.f4 Nd7 22.Nd7 Qd7 23.Bc2 Qe7 24.f5= Qe3 25.Kh1 Qb3 26.ab3 Re7 27.d5 (27.Ra1 Bc3 28.fg6 hg6=+) ½–½. Hebels – Abels, corr Netherlands, 1989.

7.e3 d5 8.Bd3 Bf5 9.Ne2 0–0 10.Nf4 Be4 11.Be4 de4 12.Qg4 =+.

7.e3 d5 8.Bd3 Bf5 9.Ne2 0–0–0 10.0–0 h5 11.Qc2 Ne7 12.Nd2 c6 13.e4 Bg4 14.f3 Be6 15.Rab1 Bc7 16.e5+= Qh6 17.f4 g6 18.Qb2 b6 19.Nf3 Nf5 20.Ng5 Rdf8 21.Ba6 Kd7 22.c4 Ne3 23.Ne6 fe6 24.cd5 Nd5 25.Qc1 Rf5 26.Bb7 Ne7 27.Ng3 Rf7 28.Ne4 Rhf8 29.Ng5 c5?? 30.Qc4+– (30...Nd5 31.Bd5 ed5 32.Qd5 Kc8 33.Nf7+–) 1–0. Szeligowski,Paul – DeElena, Boulder CO USA, 1994.

7.e3 d5 8.Bd3 Bf5 9.Nf3 Bg4 10.h3 Bf3 11.Qf3 Qf3 12.gf3 0–0 13.0–0 Rad8 14.Rc1 Rd6 15.Nd2 Rh6 16.Kg2 Ne7 17.Rab1 Rb8 18.Rb5 Bb6 19.Rcb1 c6 20.R5b2 Rc8 21.a4 Kf8 22.Ra1 Rb8 23.Rab1 Rc8 24.Ra1 Rb8 25.Rab1 f5 26.c4 f4 27.c5 Ba5 28.Nb3 Bc7 29.Nd2 b6 30.Nb3 Ng6=+ 31.Nd2 Nh4 32.Kf1 Re8 33.e4 Nf3! 34.ed5 Nd4 35.d6 Bd8 36.Kg2 f3! 37.Kh2 bc5 38.Nc4–/+ Bg5 39.Kg3 Ne2 40.Be2 fe2 41.Re1 Re4 42.Rb8 Kf7 43.Rb7 Ke6 44.Rg7 Bh4 (44...Bh4 45.Kg2 Rc4 46.Re2 Kd6 47.Ra7 Rg6 48.Kf1 h6–+; 44...Rc4?! 45.Rg5 Ra4 46.Re2 Kd6 47.Re3–+) 0–1. Roldan,Antonio – Nakamura,Takahiro, IECG, 2000.

7.e3 d6 8.Bd3 =+.

5.Bg3 Ba5

6.e3 0–0 7.Bd3 d6 8.Ne2 Ne5 9.Bc2 Re8 10.0–0 Nh5 11.d4= Ng3 12.Ng3 Ng4 13.h3 Nf6 14.c4 c5 15.Ne2 cd4 16.Qd4 d5 17.Nbc3 dc4=+ 18.Qc4 Be6 19.Qd3 Rc8 20.Rac1 Qd3 21.Bd3 Red8 22.Bb5 Bc3 23.Nc3 1–0. algernon (2290) – waldiheinz (2100), net–chess.com, 2005.

6.e3 0–0 7.Nf3 d6 8.Bh4 Be6 9.Qa4 Bb6 10.Bb5 =.

6.e3 a6 7.Bh4 d5 8.Qb3 0–0 9.d4 Re8 10.Ne2 =.

6.e3 d6 7.Bh4 0–0 8.Qf3 Ne5 9.Qf4 Ned7 10.d4 =.

6.e3 Ne4 7.Qc2 d5 8.d3 Ng3 9.hg3 Bf5 10.Nf3 0–0 11.Nh4 Bg6 (11...Bg4 12.d4=+) 12.Nd2 Re8 (12...Qf6 A) < 13.Ng6 fg6 (13...Qg6?! 14.Rb1=) 14.Nb1 Rae8–/+; B) 13.Rc1=) 13.Be2 (13.Ng6 fg6 14.Rb1 Rb8=) 13...Qf6 14.Rc1 (14.Rb1 Bc3 15.Ng6 fg6=+) 14...Re7 (Better is 14...d4!? 15.Ng6 de3 16.fe3 A) < 16...fg6 17.Qb3 Kh8 A1) 18.Qb7? Rab8 (18...Bc3 19.Qc7 Re3 20.Kd1–+) 19.Qa6 Re3–+; A2) 18.Ne4 Re4 19.de4+=; B) 16...Qg6=+) 15.Ng6 hg6 16.d4+= Rae8 17.Qb3 Qf5 18.Qb7 Nd4+= 19.cd4?? Bd2–/+ 20.Kd2 Qf2 21.Rhe1 Qe3–+ 22.Kc2 Qf2 23.Qd5 Re2 24.Re2 Qe2 25.Kc3?? Re3 26.Kb4 Qb2 27.Kc5 Qc1 28.Kb5 c6 29.Qc6 Qb2 (30.Kc5 Rc3 31.Kd6 Rc6 32.Kc6 Qd4–+) 0–1. HomerSimpson (2235) – alkhateeb (2315), ICC, 2002.

6.Nf3 0–0 7.e3 Re8 8.Bh4 d6 9.Bb5 Bd7 10.d4 =.

6.Nf3 a6 7.e3 d6 8.d4 0–0 9.Bd3 Bg4 10.Bh4 =.

6.Nf3 Rb8 7.e3 0–0 8.Bd3 d6 9.Bh4 Re8 10.0–0 =.

6.Nf3 d5 7.d4 Ne4 8.Qc1 Ng3 9.hg3 Qf6 10.Nbd2 Bf5 11.Nb3 Bb6 12.a4 a5 13.e3 0–0–0 14.Bb5 Be4 15.Nfd2 Bg2 16.Rh2 Bf3 17.Bc6+= bc6 18.c4 dc4 19.Qc4 Rhe8? 20.Nf3+/– Qf3 21.Nc5 Bc5 22.dc5 h6 23.Rh4 Rd5–/+ 24.Rc1? Red8?? 25.Qa6 Kd7–/+ 26.Qe2 Qe2 27.Ke2 Kc8 28.Rc2 Rd1 29.Re4 Rb1 30.Rcc4 Rdd1 31.Re8= Rd8 32.Re7 Rd7=+ 33.Re8 Kb7 34.Rce4 f5 35.R4e5 Rd5 36.R5e7 Rc5 37.Rg7 Rc2 38.Kd3 Rf2 39.Rgg8 Rb3 40.Kc4 Rb4 41.Kc3 Ra4 42.Rb8 Ka7 43.Rgc8 Rf3 44.Kd3 Rg3 (44...Rg3 45.Rb3 Rb4 46.Rb4 ab4 47.Rc7 Kb6–+) 0–1. Wesslen,Birger – Sterner,Roland, corr SSKK 2–96, 1988.

6.Nf3 d5 7.e3 0–0= 8.Be2 Ne4 9.Qa4 Re8 10.Bb5 =.

6.Nf3 d5 7.e3 Ne4 8.Qc2 Bf5 9.Qb3 Bb6 10.Be2 Ng3 11.hg3 0–0 12.d3 Qd6 13.Nbd2 Rfe8 14.d4 Na5 15.Qb2 Rad8 16.0–0 Re6 17.Rac1 Rh6 18.c4 dc4 19.Nc4 Nc4 20.Bc4 Be6 21.Rfe1 Bc4 22.Rc4 Qd5 23.Qc2 Qh5 24.Kf1 Qh1 25.Ke2 Qg2 26.Rg1 Qh3 27.g4 Rhd6 28.g5 Qe6 29.Ne5? g6 30.f4 c5 31.dc5 Rd2 32.Qd2 Rd2 33.Kd2 Ba5 34.Kd3 Qd5 35.Rd4 Qa2 36.Nd7 Qb3 37.Ke2 Qb5 38.Kf2 Qb2 39.Kf3 Qb3?? 40.Nf6+– Kg7 41.Rh1 Qc2 42.Rh7 Kf8 43.Rh8 (43.Rh8 Ke7 44.Re8#) 1–0. Sakalli,M (2055) – Basar,Onur, ch–TUR Kemer–Antalya TUR, 2011.

6.Nf3 d6 7.e3 0–0 8.Bb5 Bd7 9.0–0 a6 10.Bd3 =.

6.Nf3 Qe7 7.e3 0–0 8.Bh4 d6 9.Bb5 Ne5 10.Qa4 =.

5.Bg3 Be7

6.d4 d5 7.Nd2 0–0 8.e3 Bf5 9.Ngf3 h6 10.h3 Bd6 11.Bd6 Qd6 12.g4 Be4 13.Ne4 Ne4 14.Qc2 Rae8 15.Rh2? Ne5?? 16.Bg2 0–1. katchum (1765) – mmendez (1990), net–chess.com, 2001.

6.d4 d5 7.Nd2 0–0 8.Ngf3 b6 9.e3 Bg4 10.Be2 a6 11.0–0 Na7 12.h3 Bd7= 13.c4 c6 14.Ne5 dc4 15.Ndc4 b5 16.Nd7 Nd7 17.Ne5 Ne5 18.Be5 Qb6 19.Bf3 Rad8 20.Be4 g6 21.Qc2 c5 22.d5 c4 23.Bd4 Qc7 24.Qc3 b4= 25.Be5 bc3 26.Bc7+= Rc8 27.Be5 Nb5 28.a4+/– Nd6 29.Bd6 Bd6+= 30.Bc2 Rb8= 31.e4 Rb2–/+ (31...Rb2 32.Rfc1 Bf4–/+) 0–1. gtate (1925) – pblanctranchant (2325), net–chess.com, 2004.

6.e3 0–0 7.d4 d5 8.Bd3 a5 9.Nd2 Ra7 10.Ngf3 =.

6.e3 Ne4 7.Qg4 Ng3 8.hg3 g6 9.Nf3 a6 10.Qa4 =+.

6.Nf3 0–0 7.e3 d6 8.d4 Re8 9.Bd3 h6 10.0–0 =.

6.Nf3 d5 7.Ne5 Ne5 8.Be5 0–0 9.h3 c6 10.g4 Be6 11.Bg2 Nd7 12.Bg3 Bh4 13.Bd6 Qb6 14.0–0 Qb2 15.Na3= Rfe8 16.Rb1 Qa2 17.Rb7 Be7=+ 18.Be7 Re7 19.Nc2 Qa6 20.Rb3 Nc5 21.Ra3 Qc8 22.Nd4 Bd7 23.d3 Ne6 24.Nf5+/– Re8 25.Nd6+– Qc7 26.Ne8 Re8 27.Qa4 Nf4+/– 28.Qa7 Ne2+= 29.Kh1 Qd6 30.Rb3 h6 31.Rb7 Be6 32.c4 Nf4 33.Kg1 Ng2 34.Kg2 dc4= 35.d4 Qd4?? 36.Qd4+– Bd5 37.f3 f6 38.Rf2 Kh7 39.Qf6 Rg8 40.g5 Kh8 41.Qg6 c3 42.Re2 c5 43.Rd7 Bc4 44.Re8 Bf1 45.Kf1 c2 46.Qg7# 1–0. xtrachess – PLAYmeIFyouDARE, Live Game Caissa's Web, 2006.

6.Nf3 Ne4 7.e3 0–0 8.Bf4 d5 9.Be2 g5 10.Bg3 =+.

4...d6

5.cb4 de5 6.d3 0–0 7.e4 Be6 8.Be2 b5 9.Nf3 Nc6 10.a3 a6 11.Ng5 Qc8 12.Ne6 Qe6 13.0–0 Nd4 14.Nc3 c6 15.h3 a5–+ 16.ba5 Ra5 17.Nb1 Qd6 18.Nd2 Rfa8 19.Nf3 Ra3 20.Ra3 Nf3 21.Bf3 Ra3 22.Be2 c5 23.Qc1 Ra8 24.d4 cd4 25.Bb5 Rb8 26.Bc6?? Rc8–+ 27.Qa1 Qc6 28.Rb1 Ne4 29.Qa7 Nf6 30.Rb6 Qe8 31.Rd6 Rd8 32.Rb6 d3 33.Qa1 d2 34.Qd1 Qe7 35.h4 e4 36.Rb3 Qc5 37.Rb1 e3 38.fe3 Qe3 39.Kh1 h5 40.Kh2 Ng4 (40...Ng4 41.Qg4 hg4 42.Rb3 Qf4 43.Rg3 Rd3 44.Kg1 d1Q 45.Kh2 Qg3#) 0–1. pinecrest1981 – soda, Live Game Caissa's Web, 2006.

5.Bd4 Nc6 6.cb4 Nd4 7.Nf3 (7.Nf3 Nf3 8.gf3–/+). pieeater – WolverLini, chessworld.net, 2012.

5.Bd6?? Qd6?! 6.cb4 Qb4 7.Nc3 +=.

5.Bd6?? Bd6–+6.e3 0–0 7.d4 c5 8.Nf3 cd4 9.Nd4 Nc6 10.Nc6 bc6 11.Be2 Rb8 12.0–0 Rb2 13.Nd2 (13.Bd3–+) 13...Rd2! 14.Qe1 (14.Qd2 Bh2 Double attack) 14...Be5 15.Rc1 Ne4 16.f4 (16.Rd1 Qd6 17.h3 Rd8–+) 16...Bc3 17.Rc3 Nc3 18.Bf3 Re8 0–1. Rush,Bradley – Wantoch_Rekowski,Jacek (1825), 47. LSS No Engine Cup Preliminary, 2011.

5.Nf3 de5–/+ 6.Qa4 Nc6 7.cb4 Qd6 8.b5=+ Nd4 9.Nd4 ed4 10.Qa3 Qe5–/+ 11.Qg3 Qc5 12.Na3 0–0 13.Rd1 a6 14.ba6 Ra6 15.Nb1 Ra2 16.Qb3? Nd5 17.Qa2 Nb4 18.Qb2 Nc2 19.Qc2 Qc2 20.f3 Be6 21.Na3 Qb2 (21...Qb2 22.Rb1 Qa3–+) 0–1. thewidower – Subedei, ChessWorld.net, 2005.

5.Bf4 Ba5 6.e3 0–0 7.Bg5 h6 8.Bh4 Nc6 9.Nf3 Ne5 10.Be2 Ng6 11.Bg3 c5 12.0–0 a6 13.d4 Bf5 14.Bd3 Ne4 15.Be4 Be4 16.Nfd2 Bd3 17.Nb3 Bf1–+ 18.Qf1 Bb6 19.N1d2 a5 20.Rb1 a4 21.Nc1 Ba5 22.Ne2 b6 23.Nc4 b5 24.Nd6 b4 25.Nb7 Qb6?? 26.Nc5+– Rac8? 27.Nd7 Qb5 28.cb4?? (28...Qd7 29.ba5+=; Better is 28.Nf8 Nf8 29.cb4+–) 1–0. slavisa99 – SgtPepper, Live Game Caissa's Web, 2004.

5.Bg3 Ba5=+ 6.Na3 Be6 7.Nc4 Bb6 8.Nb6 ab6 9.Qc2 0–0 10.Nf3 Qd7 11.e3 Qa4 12.Qa4 Ra4 13.a3 Nc6 14.Bb5 Ra5 15.a4 Rfa8 16.Ke2 Na7 17.Bd3 Nc8 18.Nd4 Ra4 19.Ra4 Ra4 20.Rb1 Bc4 21.Nb5 Bb5 22.Rb5 c6 23.Rb2 Kf8 24.Bf5+/– Ne7 25.Bd6 Ke8 26.Be7+– Ke7 27.Rb6 Ra7 28.Bc8 Nd7 29.Rb7 Rb7 30.Bb7 Kd6 31.Ba6 Ke5 32.d4 Kd5 33.Bd3 h6 34.f3 (34…Kd6 35.Bc4+–; 34.c4 Kd6+–) 1–0. Riha,Frantisek – Kafka,Ladislav, Klatovy op–B, 1996.

5.Qa4 Nc6

6.cb4 de5 7.Nf3 Qd6 8.e3 0–0 A) 9.Na3 e4 10.b5 ef3 11.bc6 Qd5 12.Rg1 Qe5 13.Rb1 Qh2 14.cb7 Bb7 15.Rb7; B) 9.Nc3 B1) 9...Nb4 10.Ne5 (10.a3 Nbd5 11.Nd5 Nd5 12.Qe4 f6 13.Bd3 g6 14.Bc4 Rd8 15.Rb1) 10...Bf5 11.Nc4 Qe7 12.Rc1 a6 13.a3 Nbd5 14.Nd5 Nd5 15.Na5; B2) 9...Bg4 10.b5 (10.a3 Rfd8 11.Qc2 e4 12.Ng5 Bf5 13.g4 Ng4 14.Nge4 Qg6 15.d4) 10...Rfd8 11.Rd1 Nd4 12.ed4 ed4 13.Be2 d3 14.0–0 de2 15.Ne2; B3) 9...Rd8 10.b5 (10.Nb5 Qe7 11.Nc3 Bg4 12.Bc4 Qb4 13.Ng5 Bh5 14.Qb3 Qb3 15.ab3; 10.h3 e4 11.Nd4 Nd4 12.ed4 Qd4 13.Rd1 Bg4 14.Be2 Be2 15.Ne2; 10.Rd1 Bg4 11.b5 Nd4 12.ed4 ed4 13.Be2 d3 14.0–0 de2 15.Ne2; 10.d3 Nb4 11.Rc1 c5 12.Nb5 Qe7 13.Nc7 Rb8 14.Qb3 Bf5 15.Qc3) 10...Bg4 11.0–0–0 Nb4 12.a3 a5 13.Kb2 e4 14.h3 ef3 15.hg4; B4) 9...Qb4 10.Bb5 (10.Qb4 Nb4 11.Rb1 Nc6 12.Bb5 Bf5 13.d3 Rad8 14.Bc6 Rd3 15.Rb3) 10...Qa4 11.Ba4 Bd7 12.Rb1 b6 13.Bc6 Bc6 14.Ne5 Bg2 15.Rg1; B5) 9...Bf5 10.b5 (10.Bc4 Nb4 11.0–0 a6 12.a3 Nc2 13.Nh4 Bd3 14.Bd3 Na1 15.Bf5; 10.Nh4 Bg4 11.f3 Be6 12.b5 Ne7 13.Ne4 Ne4 14.fe4 Rfd8 15.Nf3; 10.Be2 Nb4 11.0–0 c5 12.a3 Bc2 13.Qb5 a6 14.Qc4 b5 15.Qh4) 10...Nb4 11.Rc1 Nd3 12.Bd3 Bd3 13.Qb3 a6 14.a4 h6 15.h4; C) 9.b5 C1) 9...Ne7 10.Nc3 (10.Qa3 Be6 11.Qd6 cd6 12.Nc3 Rac8 13.Be2 Ned5 14.Nd5 Bd5 15.0–0; 10.Na3 e4 11.Nc4 Qd5 12.Nd4 a6 13.Qa5 b6 14.Qa3 Nf5 15.Nf5) 10...Bg4 11.Ne4 Ne4 12.Qe4 Bf3 13.gf3 Rad8 14.Qc2 f5 15.Rd1; C2) 9...Nb4 10.Na3 (10.Nc3 Bf5 11.Rc1 Nd3 12.Bd3 Bd3 13.Qb3 a6 14.h3 h6 15.h4; 10.a3 Nbd5 11.Nc3 Bf5 12.Nd5 Nd5 13.Be2 Rfe8 14.0–0 h6 15.Rac1) 10...e4 11.Nc4 Qe7 12.Nd4 a6 13.Ne5 Qe5 14.Qb4 Bd7 15.Rc1.

6.cb4 de5 7.Nf3 Qd6 8.e3 Qb4 9.Bb5 A) 9...Qc5 10.Bc6 (10.Nc3 Bd7 11.Rb1 a6 12.Bc6 Bc6 13.Qb4 Qb4 14.Rb4 Bf3 15.gf3; 10.0–0 Bd7 11.d4 ed4 12.ed4 Qb4 13.Bc6 Qa4 14.Ba4 Ba4 15.Re1) 10...bc6 11.Nc3 0–0 12.0–0 Bg4 13.Ne4 Ne4 14.Qe4 Bf3 15.Qf3; B) 9...Qa4 10.Ba4 e4 11.Bc6 bc6 12.Ne5 Rb8 13.Nc6 Rb6 14.Na7 Bd7 15.Nc3; C) 9...0–0 10.Bc6= Qb2 11.0–0 Qa1 12.Nc3 Qb2 13.Rb1 Qb1 14.Nb1 bc6 15.Ne5.

6.cb4 de5 7.Nf3 Qd6 8.e3 e4 9.b5 Nb4 (9...Ne7 10.Nd4 0–0 11.Qa3 Rd8 12.Qd6 Rd6 13.Nc3 Nf5 14.Nb3 b6 15.g4; 9...Nd8 10.Nd4 Ne6 11.Nc3 Nd4 12.Qd4 Qd4 13.ed4 Be6 14.d3 0–0–0 15.de4; 9...Nb8 10.Nd4 Nbd7 11.Nc3 Nc5 12.Qc2 0–0 13.Be2 Re8 14.0–0 Ng4 15.g3) 10.a3 (10.Nd4 0–0 11.Nc3 Bd7 12.Bc4 a6 13.Rb1 Nd3 14.Bd3 ed3 15.Qc4) 10...ef3 (10...Nbd5 11.Nd4 0–0 12.Nc3 Bd7 13.Bc4 Nb6 14.Qb3 Nc4 15.Qc4) 11.Qb4 Qb4 (11...Bg4 12.h3 Qb4 13.ab4 Be6 14.Nc3 Nd5 15.Nd5) 12.ab4 Nd5= 13.gf3 Be6 14.Nc3 Nb4 15.Ra4.

6.cb4 de5 7.Nf3 Qd6 8.e3 e4 9.Nd4 Qb4–/+ (9...0–0 10.Nc6 bc6 11.Na3 Nd5 12.Rb1 Bg4 13.Nc4 Qe7 14.Na5 c5 15.bc5) 10.Bb5 (10.Qb4 Nb4 11.a3 Nbd5 12.Nc3 c5 13.Nd5 Nd5 14.Nb5 Ke7 15.Rc1) 10...Bd7 11.0–0? (better is 11.Nc6 Qb2 (11...Qa4 12.Ba4 Bc6 13.Bc6 bc6 14.Nc3 Ke7 15.Ke2) 12.Qa3 (12.0–0 Qa1 13.Nc3 Qb2 14.Rb1 Qd2 15.Ne4) 12...Qa3 13.Na3+= bc6 14.Be2 Ke7 15.Nc4) 11...Qa4–+ 12.Ba4 Nd4 13.Bd1?? (better is 13.Bd7 Kd7 14.ed4–+) 13...Ne6 14.Nc3 (14.f3 Bb5 15.Rf2 Bd3–+) 14...0–0–0 15.d4 (15.Bb3 Rhe8–+) 15...ed3 16.Ba4 (16.Bb3 Rhf8–+) 16...Ba4 17.Na4 b5 18.Nb2 Kb7 19.Rfd1 d2 20.Kf1 Ne4 21.Ke2 Nc3 22.Kf1 c5 23.Rd2 Rd2 24.Rc1 Na2 25.Rd1 Rhd8 26.Ke1 Rb2 27.Rd7 Rd7 28.g4 Rdd2 29.Kf1 Rf2 30.Kg1 Rfd2 31.Kf1 Rb1 0–1. MARYMARY – marekt, chessworld.net, 2010.

6.Bf6 Qf6 7.e3 Bd7 8.Bb5 Bc5 9.Qe4 Qe5 10.Qe5 de5 11.Nf3 0–0 12.a3 e4 13.Ng5 =.

6.Bf6 Qf6 7.e4 Bc5 8.d4= Bb6. Romischke – Maurer, 1995.

6.Bf6 Qf6 7.e4 Bd7!? =+.

6.Bg3 Ba5 7.e3 0–0 8.Nf3 Bb6 9.Bd3 Re8 10.Bh4 Qe7 11.0–0 (11.0–0 Qe6 12.Bf6 Qf6 13.Be4=). Romischke – Rothe, 1995.

5.Bf4 Bc5

6.d4 Bb6 7.Nd2 Nd5–/+ 8.Bg3 (Better is 8.e3!?–/+) 8...Nc3–+ 9.Qc2 Bd4 10.e3 Bf6 11.Rc1 Nd7 12.Bd3 (12.Ne2 Nd5 13.Nf4 Nf4 14.Bf4–/+) 12...Nc5 13.Bh7 (13.a3 Qe7–+ (13...Nd3?! 14.Qd3 Na2 15.Rc2–/+)) 13...g6 14.Bg6 fg6 15.Qg6 Ke7 16.Ngf3 (16.Ne2 Na2 17.Ne4 Qf8 18.Rc5 dc5 19.Bc7 Rh6 20.Bd6 Kd8 21.Bf8 Rg6 22.Nf6 Rf6 23.Bc5 Rc6–+) 16...Qg8 (< 16...Na2 17.Ne4 Ne4 18.Qe4 Be6 19.Rc2–+) 17.Qc2 Qd5 18.0–0 (18.Ne5 de5 19.Qc3 Nd3 20.Ke2 Nc1 21.Rc1 c6–+ (21...Qa2 22.Be5 Qe6 23.Bf6 Qf6 24.Qc7 Ke8 25.Ne4 Qb2 26.Rc2 Qb5 27.Ke1 Qb1 28.Ke2 Bg4 29.f3–/+)) 18...Bf5 (18...Ne2!? 19.Kh1 Nc1 20.Rc1–+) 19.e4 Be4 (19...N5e4!? 20.Rce1 Kd7 21.Qb3 Qb3 22.ab3 Nd2 23.Nd2–+) 20.Ne4 N5e4 (< 20...Qe4 21.Rce1 Rae8 22.Re4 N5e4 23.Bf4+=) 21.Rfe1 Kd7 22.a4 Rag8 23.a5 (23.Re3 Ng3 24.hg3 Qh5–+) 23...Rg3! 24.fg3 Qc5 25.Kh1 Ng3# 0–1. slavisa3 – WizardNo1, Live Game Caissa's Web, 2004.

6.d4 Bb6 7.e3!? =.

6.d4 Bb6 7.Nf3 Nd5 8.Bg3 0–0 9.e4 Re8 10.Bd3 Bf5 11.Nbd2 Nc3–+ 12.Qc2 Ne4 13.Be4 d5 14.0–0 de4 15.Ne5? Bd4 16.Qb3 Be6 17.Qb7 Nd7 18.Nc6–/+ Qg5?? 19.Ne4 Qh5 20.Qc7? Ba1–+ 21.Ra1 Rac8 22.Qd6?? Nf6?? 23.Ne7 Kh8 24.Nf6 gf6 25.Re1?? Rcd8 26.Qf4 Re7?? 27.Qf6+– Kg8 28.Qe7 Re8?? 29.Qf6 Bh3?? 30.Re8# 1–0. slavisa99 – WizardNo1, Live Game Caissa's Web, 2004.

5.Bf6 Qf6

6.Qa4 Nc6=+ 7.a3 Ba5 8.e3 Bd7 9.Nf3 0–0 10.d4 a6 11.Qc2= Bf5 12.Bd3 Bd3 13.Qd3 Qg6 14.Qg6+= fg6 15.0–0 Rae8 16.c4 b5 17.Nbd2 Bd2 18.Nd2 bc4 19.Nc4 d5 20.Nb2 Rb8 21.Nd3 Rb6 22.Nc5 Re8 23.Nd7 Rb7 24.Rab1 Rb1 25.Rb1 Kf7 26.Rc1 Ke7 27.Rc6 Kd7 28.Ra6 Rb8 29.g3 Rb1 30.Kg2 Ra1 31.Ra8 Ke6 32.Kf3 g5 33.a4 Ra3 34.a5 Ra1 35.a6 c6 36.a7 Kf7 37.Kg4 Kg6 38.h4 h5 39.Kf3 Ra2 40.g4 (40.g4 hg4 41.Kg4 gh4 42.Kh4+–) 1–0. Roldan,Antonio – Just,Bent, WC.2000.F.00003, 2000.

6.Qa4 Nc6=+ 7.a3 Ba5 8.e3 Bd7 9.Nf3 Bb6 10.Qe4= Qe6 11.Bd3 Qe4 12.Be4 0–0 13.d4 Rab8 14.Nbd2 Ne7 15.c4 (15.c4 f5 16.Bd3+=; 15.Nc4 Nc8+=). Szeligowski,Paul – Swiatek, Boulder, 1984.

6.Qa4 Nc6=+ 7.e3 Bd7 8.Bb5 Qg5 9.Ne2= Ba5 10.h4 Qg2 11.Rg1+= Qd5 12.Nf4 Qc5 13.Rg5 f5 =.

6.Qa4 Nc6 7.e3 Bd7 8.Qc2 0–0 9.Bd3 h6 10.Ne2 d5 11.Nd4 Bd6 12.a4 Nd4 13.cd4 c5 14.Ra2 cd4–+ 15.f4? Rfe8 16.0–0 de3 17.de3 Re3 18.g3 (18.Qd2 Rae8 19.Nc3–+) 0–1. perspective08 – alishsan, internet, 2006.

6.cb4? Qa1–+ 7.Qc2 Nc6 8.Nf3?! 0–0 9.e3? Nb4 10.Qd1 Qa2 11.Be2 0–1. Castlegrande – coolerdude, ChessWorld.net, 2005.

6.e3 0–0 7.Qa4 Bc5 8.Nf3 Bd7 9.Qb3 Bc6 10.Be2 Nd7 11.d4= Bb6 12.Nbd2 Rfe8 13.d5 Nc5=+ 14.Qc4 Bd7 15.0–0 c6 16.dc6 bc6 17.a4 d5–/+ 18.Qh4 Qc3 19.Rac1 Qa3 20.Ng5 h6–+ 21.Ngf3 Qa4 22.Nd4 Ne4 23.Ne4 Re4 24.Qg3 Bd4 25.ed4 Re2 (25...Re2 26.Qc3 Re4–+) 0–1. ChessTaught – Wall,Bill, internet, 2003.

6.e3 0–0 7.d4 Ba5 =.

6.e3 0–0 7.Qf3!? Qf3 8.Nf3 =.

6.e3 Nc6 7.d4 Ba5 8.Bb5 =.

6.Nf3 0–0 7.g3 Nc6 8.Bg2 Re8 9.0–0 d5 (9...d5 10.Qb3 Bd6=+ (10...Re2? 11.cb4 Bg4 12.b5 Qa1 13.bc6+–)). Dinan,Bradley – Dufour,Michail, M–3272.2, 2000.

6.d4 Ba5

7.Qa4 Nc6 8.e3 d5 9.Bb5 Bb6 10.c4 dc4 11.Nc3 Qg6?? 12.d5 –+ .

7.Qd2 c5 8.e3 0–0 9.Nf3 Nc6 10.Bd3 cd4 11.ed4 Bg4 12.Qd1 Nd4 13.0–0?? (better is 13.Bh7 Kh7 14.Qd4 Rfe8 15.Kd2 Qh6 16.Kd1–/+) 13...Nf3–+ (13...Bf3?! 14.gf3 Nf3 15.Kg2 Nh4 16.Kh1–+) 14.gf3 Bf3 15.Qd2 Rfe8 16.h3 Bb6 17.Kh2 Qe5 18.Kg1 Qg3 0–1. rogeliovargas (2260) – pierred (2815), net–chess.com, 2011.

7.Qd3 0–0+= 8.Nf3 Bf5 9.Qc4 (9.e4 Re8 10.Nbd2 d5–/+) 9...c5!–/+ 10.Nbd2 (10.dc5 Nc6 Decoy) 10...Nc6 11.e3 Rac8 12.Bd3 (better is 12.Rd1–/+) 12...cd4–+ 13.Bf5 Qf5 14.cd4 Nb4 (14...Nb4 15.Qb3 Nc2 16.Ke2 Rc3–+) 0–1. gregorgysi (2250) – pierred (2750), net–chess.com, 2009.

7.e3 0–0 8.Bd3 Bf5 9.Ne2 Re8 10.Qa4 Nc6 11.Bb5 Bb6 12.Ng3 Bd7 13.Bd3 Rad8 14.Qc2 Nd4 15.cd4 Bd4 16.Bh7 Kh8 17.Ne4 Re4 18.Be4 Ba1 19.Qc7 d5 20.Bf3 Be5 21.Qa5 b6 22.Qd5 Be6 23.Qb5 Bc3 24.Kf1 Rc8 25.Qh5 Kg8 26.Be4 Bb4 27.g4 g6 28.Qh3 Rc1 29.Kg2 Rh1 30.Kh1 Qf2 31.Qg3 Qe2 32.Qf3 Qe1 33.Kg2 Ba2 34.Qf1 Qf1 35.Kf1 Bc4 36.Kf2 a5 (36...a5 37.h4 a4–+) 0–1. Baer,Werner (1715) – Kuni,Richard (1700), TSC, 2002.

7.e4 0–0 8.Qh5 Nc6 9.Ne2 Qg6 10.Qg6 hg6 11.g3 Bb6 12.Nd2+= Bd7 13.Rb1 Ne7 14.Nf4 Rfe8 15.Bd3 Bg4 16.h3 Bd7 17.Nc4 Kf8 18.h4+/– Rac8 19.0–0 Rb8 20.Rb3 Nc8 21.Rfb1 Ne7 22.a3 Ba4 23.Rb4 Bd7 24.R4b2 Nc8 25.f3 Kg8 26.Nd5 Bc6 27.Ncb6 cb6 28.Nf4 Re7 29.Kf2 a6 30.c4 Na7? 31.Rb6 Nc8 32.Rc6! (32.Rc6 Ra8 33.Rc8 Rc8 34.Nd5+–) 1–0. Caissa – AliTheChessPlaye, Live Game Caissa's Web, 2005.

4...Bd6

5.Nf3 Qe7 6.d4 Nc6 7.Bd6 Qd6 8.e3 Qe6 9.Bd3 0–0 10.Qc2 Na5 11.Ng5+/– Qg4 12.Bh7 Kh8= 13.h4 Qg2 14.Rg1?? Qg1–+ 15.Ke2 Qg4 16.Ke1 Qh4 17.Nf7 Rf7 18.Bg6 Rf8 19.Nd2 Ng4 20.Ne4 Qh1 21.Kd2 Qa1 22.f4 Qg1 23.Ng5 Qe3 24.Kd1 Nf2 25.Qf2 Qf2 26.Nf7 Kg8 27.Ng5 Nc4 28.Bh7 Kh8 29.Ne4 Qf3 30.Kc2 d5 31.Bg6 de4 32.a4 Qd3 33.Kb3 Be6 34.a5 Na5 35.Kb4 Qc4 36.Ka5 b6 0–1. bvboucher (2035) – mkopple (1775), net–chess.com, 2005.

5.Bf6 Qf6=+ 6.Nf3 0–0 7.Qc2 Nc6 8.d3 Be7 9.e4 d6 10.Be2 Be6 11.Nbd2 d5 12.0–0 d4 13.c4 Rae8 14.Qb2 b6 15.Rfe1 Bd7 16.Qb5 a5 17.Nb3 Rd8 18.Bf1? Bg4 19.Nbd2 Qg6 20.Qb2 Qh6 21.Re2 Rde8 22.Rae1 Rd8 23.a3 Rde8 24.g3 Qd6–/+ 25.h3 Bd7 26.Ra1=+ Ne5 27.Ree1 Nf3=+ 28.Nf3 Bf6 29.Nh2 c5 30.f4 Qc6 31.Bg2= Qe6 32.e5 Be7 33.Qf2 Qg6 34.Be4 Qh6 35.h4 b5 36.Bd5 Qb6 37.Rab1 Qa6 38.Nf3 Rb8 39.Ng5 Rb6 40.Re2 Bg5 41.hg5 Bg4 42.Reb2 Rfb8 43.f5= a4?? 44.Qf4+– Bf5 45.Qf5 Kh8 46.Qf7 b4 47.ab4 cb4 48.e6 a3 49.Re2 a2 50.e7 ab1Q 51.Kg2 Qd3 52.e8Q Re8 53.Re8# (53.Qe8#) 1–0. NN – SuperConstellation4, 1985.

5.Bd6 cd6

6.e3 0–0 7.Nf3 Nc6 8.d4 d5 9.Bd3 d6 10.0–0 Qc7 +=.

6.Nf3 0–0 7.e3 b6 8.d4 Bb7 9.Bd3 Nc6 10.Nbd2 Qc7 11.Qc2 g6 12.h4 d5 13.g4 Rae8 14.h5 Ne4 15.Ne4 de4–/+ 16.Be4 Na5?? 17.Bb7 Qb7 18.hg6?? fg6–+ 19.Ne5?? Re5 20.de5?? Nc4 21.0–0–0+/– Qa6? 22.Qb3 b5 23.Rd7 Kh8 24.Rhh7 Kg8 25.Rhg7 Kh8 26.Rh7 Kg8 27.Qc4! bc4 28.Rdg7# 1–0. slavisa99 – Paranoid105, Live Game Caissa's Web, 2004.

6.Nf3 0–0 7.e3 d5 8.Be2 Nc6 9.Qb3 Qe7 10.0–0 Re8 +=.

6.g3 0–0 7.Bg2 Nc6 8.Nf3 Rb8 9.d3 Qb6 10.Nbd2 Ng4 11.0–0 Nce5 12.d4 Nf3 13.Nf3 Nf6 14.Qc2 d5 15.Ng5 g6 16.e4 d6 17.ed5 Bf5 18.Be4 Be4 19.Ne4 Ne4 20.Qe4 Rbe8 21.Qf4 Qa5 22.c4 Rd8 23.Rfe1 Rfe8 24.Re8 Re8 25.Qd6 Re1 26.Re1 Qe1 27.Kg2 Qe4 28.Kh3 Qd4 29.c5 Qf2+= 30.Qb8 Kg7 31.Qe5 Kg8 32.d6 Qf1 33.Kh4 Qh1?? 34.d7 Qh2?? 35.Kg4 h5+/– 36.Kf3 Qh1 37.Kf4 Qf1?? 38.Kg5+– Qc1 39.Kf6 Qf1 40.Ke7 Qh1 41.d8Q Kh7 42.Qdh8# 1–0. audrey – FournierRabane, Live Game Caissa's Web, 2004.

6.g3 d5 7.Bg2 0–0 8.Nf3 d6 9.0–0 Bg4 10.Qb3 Qb6 11.Qb6+/– ab6 12.h3 Bf3 13.Bf3 Nc6 14.d3 b5 15.Nd2 b4 16.cb4 Nb4 17.a3 Nc2 18.Ra2 Rfc8 19.g4 Ra3= 20.Ra3 Na3 21.g5 Ne8= 22.Bd5 Rc5 23.Bb7+= Rg5 24.Kh2 Rc5 25.Ne4 Rc7 26.Ba8 Kf8= 27.Ng3 Rc3 28.Ne4 Rc7 29.Rg1 Ke7 30.Ra1 Nb5 31.Ng5 h6 32.Nf3 Rc5 33.Rg1 Kf8 34.d4 Rc8 35.Bb7 Rc3 36.d5 Nf6 37.Bc6 Na7 38.Nd4+= Nc6 39.Nc6?? Rc2 40.Nd4 Rd2 41.Nf5 Re2 42.Kg2 Re5 43.Ng3? Rd5 44.Ra1 g6 45.Ra8 Ke7 46.Ra7 Nd7 47.Ne2 Rg5 48.Kf3 Rc5 49.Nd4 d5 50.Ke3? Rc3 51.Kd2 Rh3 52.Nc6 Kd6 53.Nd8 Rf3 54.Ke2 Rf4 55.Nb7 Ke6 56.Nd8 Ke7 57.Nc6 Kd6 58.Na5 Ne5 59.Nb3 Re4 60.Kd2 Nf3 61.Kd3 h5 62.Ra6 Ke5 63.Ra8 Kf4 64.Ra6 h4 65.Rf6 Kg4 66.Kc3 h3 67.Rf7 Rc4 68.Kb2 h2 69.Rh7 Nh4 0–1. Salvatore – smoothmovermovesagain, ChessWorld.net, 2007.

4...Be7

5.a4 c5 6.h3 0–0 7.Nf3 Nc6 8.Bh2 d5 9.e3 Re8 10.d4 Bf5 11.Nbd2 cd4 12.cd4 h6 13.Qb3 Qb6 14.Qb6+= ab6 15.Bb5 Bb4 16.0–0 Rec8 17.Rfc1 Ne7 18.Nf1 Rc1 19.Rc1 Rc8 20.Rc7 Rc7 21.Bc7 Ba5 22.Ne5 Kf8 23.Ng3 Be6 24.Ne2 Ne8 25.Bb8 f6 26.Nd3 Nc6 27.Bg3 Ke7 28.Ndf4 Bf7 29.Nc1 Nd6 30.Bd3 g5 31.Nfe2 Be6 32.Nb3 Nb4 33.Na5 ba5 34.Bd6 Kd6 35.Bb5 Bd7 36.Nc3 b6 37.Kf1 Bb5 38.ab5 Nc2 39.Ke2 Na3 40.Kd1 Nc4 41.Kc2 f5 42.Kb3 Nd2 43.Ka4 Ne4 44.Nd1 h5 45.f3 Nf6 46.Nb2 g4 47.Nd3 gf3 48.gf3 h4 49.Kb3 Nh5 50.Nb2 f4 51.e4 de4 52.fe4 f3 53.Nd3 Nf4 54.Nf2 Ng2 55.Kc3 Nf4 56.Kc4 Ke6 57.Kb3 Ne2 58.Kc4 Nf4 59.d5 Kd6 60.Kd4 Ng6 61.Ng4 a4 62.Kc3? Ne5–+ 63.Nf2 Kc5 64.Nd1 Kb5 65.Kd4 a3 0–1. ian371 – cccmember, HCL–T093 playchess.de, 2003.

5.Qa4 0–0 6.Qa5 d6 7.Bf4 Nc6 8.Qa4 d5 9.g3 Nh5 10.Be3 Be6 11.Bh3 Bh3 12.Nh3 Qd7 13.Ng1 Nf6 14.Bf4 Rfe8 15.Na3 Bd6 16.Nb5 Bf4 17.gf4 Re4 0–1. Hyena – Wall,Bill, Microsoft Gaming Zone, 1996.

5.Qa4 Nc6 6.Nf3 0–0 7.h3 d5 8.Bf6=+ Bf6 9.d4 Bd7 10.Qb3 Bc8 11.e3 b6 12.Bd3 Na5 13.Qb2 Bb7 14.0–0 Rc8 15.a4 Qd7 16.Qc2 g6 17.Re1 c5 18.Bb5 Qc7=+ 19.Bf1 Rfe8 20.Na3 cd4 21.Nb5 Qb8 22.ed4 a6 23.Na3 Qc7 24.Re8 Re8 25.Nb1 Nc4 26.Nbd2 Nd2 27.Qd2 Rc8 28.Rc1 Qc6 29.Qa2 b5 30.ab5+= ab5 31.g3 Bg7 32.Qa5 Ba6 33.Ne1 Bf6 34.Nd3+= Bd8 35.Qa2 Bb7 36.Nb4 Qd7+= 37.Bg2 Bf6 38.Qd2 Be7 39.Nd3 Kg7 (39...Kg7 40.Rb1 Bd6+=). nay (2270) – bobbs (2325), net–chess.com, 2007.

5.Qb3 0–0 6.g3 Nc6 7.Bf4 b6 8.Bg2=+ Bb7 9.a4?? d5 10.c4? dc4–+ 11.Qc4?? Na5 12.Bc7 Nc4 13.Bd8 Bg2 14.Be7 Bh1 15.Bf8 Kf8 16.f3 Rd8 17.Ra2 g5 18.g4 h5 19.gh5 g4 20.Kf2 (20.Kf2 Rd5 21.Rc2–+; 20.Rc2 Ne5 21.fg4 Neg4 22.h3–+). Rickytan (1760) – Istvanny, internet, 2007.

5.Qc2 0–0 6.Nf3 Nc6 7.Bf6 Bf6 8.e3 d5 9.d4 Bg4 10.Bd3 Bf3 11.Bh7 Kh8 12.gf3 g6 13.Bg6 fg6 14.Qg6 Qd7 15.h4 Qh7 16.Qh7 Kh7 17.Nd2 Rae8 18.Rb1 b6 19.Ke2 Ne7 20.c4 dc4 21.Nc4 Nf5 22.Kd3 Rd8 (22...Bh4? 23.e4 Kg7 24.ef5+–; < 22...Nh4 23.Ne5+=) 23.h5 (23.Kc2 Kh6=+) 23...c5–/+ 24.f4 Nd4 25.ed4 Rd4 26.Kc3 Rf4 27.Kb3 Rd8 (27...b5 28.Ne3–+) 28.Rhd1 Rd1 29.Rd1 b5 30.Ne3 Bd4–+ 31.Rd2 Kh6 32.a4 a6 33.ab5 ab5 34.Ra2 Kh5 35.Rc2 Kg5 36.Re2 Rf3 37.Kc2 Kf4 38.Ng2 Kg4 39.Ne3 Kh3 40.Kb3 Kh2 41.Re1 Kh3?? 42.Rh1# 1–0. Marre – kitket, zagraj.pl, 2003.

5.Qc2 c5 6.Bb8 Rb8 7.g3 0–0–/+ 8.Bg2 d5 9.Nf3 Bg4 10.h3 Bh5 11.Ng5 Bg6 12.Qb3 h6 13.Nf3 Bd6 14.Nh4 Be4 15.Be4 de4 16.Nf5 Be5 17.Ne3 b5 18.Na3? c4 19.Qc2–/+ Qa5 20.d4?? ed3–+ 21.ed3 cd3 22.Qd3 Qa3 23.Nd1 Rfd8 24.Qc2 Bc3 25.Nc3 Re8 26.Ne2 Qf3 27.Rf1 Re2! 28.Qe2 Qc3 29.Qd2 Re8 30.Kd1 Qa1 31.Qc1 Qa2 (31...Qa2 32.Qd2 Qb1 33.Qc1 Rd8 34.Ke2 Qd3 35.Ke1 Qe4 36.Qe3 Qc2 37.Qc1 Qc1 38.Ke2 Qc4 39.Ke3 Qe4#) 0–1. De Rosario,Tirso – Alexopoulos,Georgios, Dobbs Ferry USA, 1984.

5.c4 d6 6.Bb2 0–0 7.d4 c5 8.Nf3 Bf5 9.Nc3 Nc6 10.a3 Qb6 11.Na4 Qa6 12.e3 Ne4 13.Qb3 cd4 14.Bd4 Nd4 15.Nd4 Rfe8 16.Be2 Bf6 17.f3? (better is 17.Rd1+=) 17...Nc5–+ 18.Nc5 dc5 19.Nf5 Ba1 20.0–0 Qf6 21.Ng3? (better is 21.Bd3 Rad8 22.Be4–+) 21...Re3! 22.Qe3 (22.Qb7 Rae8 23.Qa7–+) 22…Bd4 (22...Bd4 23.Qd4 Qd4 24.Kh1 Qe3–+) 0–1. Rush,Bradley – Varas,Pablo, OP–2011–0–01609, 2011.

5.d4 c5 6.Nd2 d5 7.e3 Nc6 8.Bf6 Bf6 9.Bd3 0–0 10.Ne2 Qd6 11.Rb1 cd4 12.cd4 Nb4 13.Qb3 Nd3 14.Qd3 g6 15.Qb3 (15.e4!? de4 16.Ne4+=) 15...Bf5–/+ 16.Rb2 b6 (16...Rac8 17.0–0–/+) 17.0–0 Rac8 18.Ng3 (18.Nb1 Rfd8–/+) 18...Bd7 19.Ne2 Rfd8 20.a4 Rc6 (20...Be6 21.h3–/+) 21.h3 (21.e4 de4 22.Ne4 Qe7 23.Nf6 Qf6–/+) 21...Rdc8 22.Ra1 Bf5 23.Nf3 (23.g4 Bd7–/+) 23...Kg7 24.Qb5 a5 (24...Bd7 25.Qb3–/+) 25.Qa6 Bd8 26.Ne5 Rc2 27.Rc2 Rc2 28.Ng3 (28.g4 Be4 29.f3 Qb4 30.fe4 Qd2–/+) 28...Be6–/+ 29.Qf1 Qb4 30.Ne2 Bf5 31.Nf4 Bg5 32.Nd5 (32.Ned3 Qc3–/+) 32...Qd6 33.Nf3 Bh6 (33...Qd5?! 34.Ng5 Qc4 35.Qc4 Rc4 36.Nf3=) 34.Ne1 (34.Qb5 Be4 35.Nf4 Bf3–/+) 34...Rc6 35.Qb5 Be4 36.Nb6 Rb6 37.Qa5 Qb8 38.Qe5 Qe5 39.de5 Bg5 40.Nf3 Bd8 41.Rd1 Bc7 42.a5 Rc6 43.Nd4 Ra6–+ 44.e6 Ra5 45.Nb3 Rd5 46.Rc1 Bb6 47.ef7 Kf7 48.Kh2 Rb5 49.Nd2 Bd5 50.Kg1 Ke6 51.Rc2 Rc5 52.Rc5 Bc5 53.Nf1 Ke5 54.Ng3 Bb7 55.Ne2 Ke4 56.Nf4 Bc8 57.Kh1 Bd6 58.Ne2 Be5 59.Ng1 Bf6 60.Ne2 Ba6 61.Nf4 Bc4 62.h4 Bh4 63.Nh3 Bf6 64.Ng1 g5 65.Nf3 Be6 0–1. grasul2009 (2395) – tactical_abyss (2495), gameknot.com, 2013.

5.d4 Nh5 6.Nf3 d6=+ 7.e3? Bg4?? 8.Be2? Nc6?? 9.Bf4 a5 10.h3 Bf3 11.Bf3 Nf6 12.Qb3 d5? 13.Qb7+– Bd6?? 14.Qc6 Kf8 15.c4 Bf4 16.ef4 Qe7 17.Kd1 Re8 18.Nc3 h6 19.cd5 Rd8 20.Nb5 g5 21.Nc7 Rc8 22.d6 Qd8 23.Bg4 Ng4 24.hg4 Rc7 25.dc7 Qd4 26.Kc1 Qa1 27.Kd2 Qa2 28.Qc2 Qd5? 29.Kc1 Kg7 30.c8Q Rc8 31.Qc8 Qg2 32.Qc3 Kh7 33.Re1 Qg4+– 34.Re7?? Qf4 35.Qd2 Qc4 36.Kd1 Qa4 37.Qc2+– Qc2 38.Kc2 Kg6 39.Ra7 f5 40.Ra5 g4 41.Kd3 Kg5 42.Ke2 h5 43.Ke3 h4 44.Ra1 f4 45.Ke4 g3 46.fg3 fg3 47.Kf3 Kf5 48.Ra5 Kg6 49.Kg4 g2 50.Ra1 (50.Ra1 Kf6 51.Rg1+–) 1–0. Manners – wee harv, ChessWorld.net, 2005.

5.e3 b6 6.Be2 Bb7 7.Nf3= 0–0 8.h3 d5 9.0–0= Bd6 10.d4 Ne4 11.Qe1 Nd7 12.Bd6= Nd6 13.Nbd2 Qe7 14.Bd3 ½–½. Metzger,D – Brandauer,Dorit (2045), Mainz–ch, 1995.

5.e4 Nc6 6.Bf6 gf6 7.Qh5 +=.

5.f3 d6 6.Bg3 0–0 7.e4 c6 8.d4 Nbd7 9.Bd3 Qa5 10.Ne2 Re8 11.0–0 b5 12.Nd2 c5 13.a4 ba4 14.Qa4 Qc7 15.Nc4 ½–½. Halperin,Stephen Julius – Jansen,Tonek, internet, 1997.

5.Nf3 c5 6.e3 Nc6 7.Bf6 Bf6 8.d4 d5 9.Bd3 0–0 10.0–0 Ne7 11.Nbd2 Bf5 12.Bf5 Nf5 13.Qc2 Qd7 14.dc5 Rac8 (14...Rfc8 15.Nb3 Ne7+/–) 15.Nd4 (15.Nb3 b6 16.Rad1 bc5+/–) 15...Ne7 (15...Nh4!?= is worth looking at) 16.N2b3+= Nc6 (16...Qa4 17.Qb2+/–) 17.Rad1 (17.Rfd1 b6+/–) 17...a5 (17...Ne7 18.g3+/–) 18.a4 Ne5 (18...Bd4!? 19.cd4 Rb8+/–) 19.Nb5+– Qg4 (better is 19...Be7 20.Nd6 Bd6 21.Rd5 Qc6 22.Rd6 Qa4+–) 20.f4?? (better is 20.Nd6 makes sure everything is clear 20...Rc7 21.Rd5+–) 20...Nc4+= 21.Rf3 (21.Rd5 Ne3 22.Qd2 A) 22...Nd5?! 23.Qd5 Qe2 24.Nd6–/+ (24.Qb7? leads to nothing 24...Qe6 25.Na5 Rc5–+); B) 22...Nf1 23.Kf1 Rce8–/+) 21...Qe6 22.Rh3 g6 23.Qf2 Rfe8 24.Re1 (24.f5 A) 24...gf5? 25.N5d4 Bd4 26.Nd4+– (26.Rd4?! Ne3 27.Qh4 Kf8+=); B) 24...Qe5+=) 24...Bg7 25.Qc2 (25.Kh1!?+= should be considered) 25...Qe4 26.Qe4 Re4 27.Rd1 Ne3 28.Rd3 Ng4–/+ 29.Rhf3 Re1 30.Rf1= Rce8 31.h3+= Nf6 32.Na5 Rf1 33.Kf1+/– Re4 34.Nb7 Rf4 35.Ke2 Re4 36.Re3 Ra4 37.c6 Rc4 38.c7 d4?? an oversight. But Black was lost anyway. 39.cd4 Nd5 40.Re8 Bf8 41.c8Q Nf4 42.Kf3 (42.Kf3 Rc8 43.Rc8+–) 1–0. Fredriksen,Jan Gunnar (1775) – Sjoel,Henrik (1635), ASKOs Hostturnering, 2002.

5.Nf3 Nh5 6.e3 f6 7.Ng5?? g6 8.Qb3 fe5?? 9.Qf7 1–0. Castlegrande – wee harv, ChessWorld.net, 2005.

5.g3 0–0 6.Bg2 d5 7.d4 Re8 8.e3 Ng4 9.h3 Ne5 10.de5 c6 11.f4 Qb6 12.Qd2 Bf5 13.Nf3 Bb1 0–1. nikst (1985) – slickdobermann (2325), FICS rated standard game, 2013.

5.g3 d5 6.Bg2 Nbd7 7.Bf4 0–0 8.Nf3 c6 9.0–0 Nc5 10.d3 h6 11.a4 Qa5 12.Bd2 Qa6 13.Nd4 Bd7 14.Re1 b5 15.Bf1 Na4 16.e4 Bc5 17.e5 Nh7 18.Nb3 Be7 19.d4 Qc8 20.f4 Bf5 21.Be2 Nb2 22.Qc1 Nd3 23.Bd3 Bd3 24.Re3 Be4 25.Be1 Qh3 26.Qb2 g5 27.Qf2 Kh8 28.Re4 de4 29.f5 e3! 30.Qf3 g4 31.Qe3 Ng5 32.N1d2 a5 33.f6 Bd8 34.Nc5 Ra7 35.Nce4 Ne4 36.Qe4 Ra6?? 37.Qf5+– Bb6? 38.Ne4 Rd8 39.Rd1 c5 40.Nf2 cd4 41.Nh3 dc3 42.Kf1 Rd1 43.Qg4 (43.Qg4 Re1 44.Ke1 Bf2 45.Nf2 Rf6 46.ef6 b4 47.Qg7#) 1–0. Gagarkine,Nikolay (1915) – Protopopova,Anastasiya (1760), Saratov RUS, Region Ch, 2012.

5.Bg3 0–0 6.d4 Ne4 7.Nd2 Ng3 (7...f5 8.Ne4 fe4 9.f3=+) 8.hg3= d5 9.e4 de4 10.Qh5 h6 11.Ne4 Re8 (11...Be6!?=) 12.Bc4+= Rf8 13.Nf3 Nd7?? (Better is 13...Qd7+=) 14.Neg5?? Bg5–+ 15.Ng5 Qg5 16.Qf3 Re8 17.Kf1 Nf6 18.Rh5 Qh5 19.Qh5 0–1. pinecrest1981 – xplayer, Live Game Caissa's Web, 2004.

5.Bg3 Nc6 6.Na3?? Ba3–+ 7.Rb1 Nh5 8.Rb5 Ng3 9.Rg5 Nh1 10.Re5 Ne5 11.Qa4 Qf6 12.Nf3 Nf3 13.ef3 Bc5 14.Bb5 c6 15.Bc6 dc6 16.d4 0–0 17.Kf1 Re8 18.dc5 Qc3 19.Qd1 Qc5 20.f4 Qf2# 0–1. nachodynamite – goco (1765), internet, 2007.

5.g4 0–0 6.g5 Ne4 7.h4 Nc6 8.Bf4 d5 9.Bg2 Bf5 10.Qb3 Bc5 11.e3 Bb6 12.Na3 Na5 13.Qb2 Nc5 14.Bf1 Bd3 15.Nf3 Bf1 16.Kf1 Nd3 17.Qc2 Nf4 18.ef4 Re8 19.Ne5 f6 20.gf6 Qf6 21.Qd3?? (21.d4–+) 21...Re5! (22.Rh2 Qf4–+) 0–1. kamikadzel – Marre, zagraj.pl, 2003.

5.h3 0–0 6.Nf3 d5 7.e3 c5 8.a4 Nc6 9.d4 Ne5 10.de5 Ne4 11.Be2 Be6 12.0–0 Qa5 13.Qc2 Bf5 (13...c4 14.Bc4 Nf2 15.Be2+=) 14.Qb2 Rab8 15.Qb5 Qc7 16.g4 (16.c4!? Rbd8 17.cd5 Rd5 18.Bc4+=) 16...Be6 17.Qb2 h5! 18.Na3 (18.gh5 Bh3 Pinning (18...Bh3 Deflection)) 18...hg4–+ 19.Nb5 Qa5 20.Nd2 (20.hg4 a6 21.Nd6 Bg4–+) 20...Nd2 21.Qd2 gh3 22.f4 a6 23.Nd6 White plans f5 (23.f5 ab5 24.fe6 fe6–+ (24...ba4?! 25.ef7 Kh8 26.Rf3=)) 23...Bd6 24.ed6 Rbd8 25.f5 Bc8 26.Bg4 Rd6 27.Bh3 d4! 28.e4 (28.cd4 Qd2 Pinning (28...Qd2 Deflection); 28.ed4 cd4 Decoy) 28...Qc3 29.Qg2 (29.Qc3 dc3 30.Rf3 c2–+) 29...d3 30.f6 (30.Rac1 Qd4 31.Qf2 Bd7 32.Rc5 d2–+ (worse is 32...Ba4 33.Rd5 Rd5 34.ed5 Qd5 35.Bg2–+)) 30...Rf6 31.Rf6 Qa1 32.Rf1 Qd4 33.Kh1 (33.Kh2 Bh3 34.Kh3 Qe3 35.Qg3 Qg3 36.Kg3 c4–+) 33...Bh3 34.Qh3 Qe4 35.Kg1 c4 36.Qg3 Qg6 (36...Qg6 37.Kh2 d2–+) 0–1. Kolisso,Bernardin – Rihouay,Clement (2195), Nantes op 7th, 2008.

5.h3 c5 6.e3 Nc6 7.Bh2 d5 8.Nf3 0–0 9.Bb5 Qb6 10.a4 Bf5 11.Be2 (11.0–0 c4 12.Re1 Na5–+) 11...d4 (11...Qb2 12.Na3 Na5 13.Qc1 Qc1 14.Rc1–/+) 12.Nh4 (12.ed4 cd4 13.Bb5 Nd5–/+) 12...Be6 13.Qc2 Rfd8 14.Na3 Rd7 15.Rb1 Qd8 16.Bc4 Nd5 17.Nf3 dc3 18.dc3 Bf6 19.Bd5 Bd5 20.0–0 Bf3 21.gf3 Qe7 22.Nc4 (22.Rfd1 Rad8–/+) 22...Qe6–+ 23.Qe4 Bc3 24.Rb5 Bb4 25.Nd6 Rd6 (25...Qh3?! 26.Nb7 Qh6 27.Nc5=) 26.Bd6 Qd6 27.Rb7 Rd8 28.f4 g6 29.Kg2 Kg7 30.h4 (30.f5 Rd7 31.Rd7 Qd7 32.fg6 hg6–+) 30...Rd7 31.Rd7 Qd7 32.Kf3 (32.f5 gf5 33.Qf4 Qd5 34.Kh3 c4–+) 32...Ne7 33.Rg1 Qh3 34.Ke2 Qh4 35.Rg5 Ng8 36.Qb7 a5 37.Rd5 (37.Qd5 h6 38.Rg1 Ne7 39.Qe5 Qf6–+) 37...Nf6 38.Rd1 0–1. Ardaman,Miles (2360) – Kraai,Jesse (2490), Western States op, 2004.

5.h3 d5 6.Nf3 0–0 7.e3 c5 8.Be2 Nc6 9.Bh2 d4 10.cd4 cd4 11.Bb5 de3 12.fe3 Nd5 13.Bc6 bc6 14.0–0 Bf6 15.Be5 Ba6 16.Re1 Re8 17.Qa4 Re5–+ 18.Qa6 Re6 19.Nc3 Nc3 20.dc3 Bc3 21.Rad1 Qb6 22.Qb6 ab6 23.Re2 c5 24.Rd7 h6 25.Rb7 Rae8 26.Kf2 f5 27.Nd2 Bd4 28.Nc4 f4 29.Rb6 fe3 30.Kg3 Rb6 31.Nb6 Rf8 32.Nd5 Rf2 33.Re1 Ra2 34.Nf4 Be5 35.Re3–/+ Bf4 36.Kf4 Rg2 37.Re7 Kh7 38.Rc7 Rg5 39.h4 Rh5 40.Kg4 Rd5 41.Rb7 Rd4 42.Kh5 Rd5 43.Kg4–+ Kg6 44.Rb6 Kf7 45.Rc6 Rd4 46.Kh5 g6 47.Kh6 Rh4 48.Kg5 Rh5 49.Kg4 Rf5 50.Kh4 Ke7 51.Kg4 Kd7 52.Rg6 Rf8 53.Kg3 Kc7 54.Rh6 Kb7 55.Kg2 Kc7?? 56.Kg3 Kd7?? 57.Rg6 Re8 58.Kf3 Kc7 59.Rh6 Kb7 60.Rg6 c4 61.Rg4= Rc8 62.Ke2 Kb6 63.Kd2 Kb5 64.Kc3 Rc5 65.Rg8 Rh5 66.Rb8 Kc5 67.Rc8 Kb5 68.Rb8 Kc5 ½–½. Ornstein,Axel (2430) – Moberg,Karl_Johan (2320), SWE–chT, 1998.

5.h4 Nc6 6.Bh2 0–0 7.e3 d5 8.Be2 Re8 9.g4 Bd6 10.Bd6 Qd6 11.d3 b5 12.Nd2 (12.g5 Nd7+=) 12...Rb8 13.Nh3 (13.g5!? Nd7 14.Qc2+=) 13...b4–/+ 14.c4 Be6 (14...d4 15.e4–/+) 15.g5+= Nd7 16.cd5 Bd5 17.Rg1 Nb6 18.Rg3 a5 19.h5 Re7 20.Nf4 Rbe8 (20...Qe5+=) 21.Kf1 (better is 21.Nd5!? Nd5 22.Ne4+=) 21...Nd4–/+ 22.Bg4 Nb5 23.g6 (23.Nd5 Nd5 24.Nc4 Qc5+=) 23...fg6–/+ 24.hg6 h6 25.Qc2 (25.Nd5 Nd5 26.Ne4 Qe5–/+ (worse is 26...Qg6 27.Bh5 Qf5 28.Be8 Re8 29.Ke1+=)) 25...Nc3 26.Bf3 Kh8 27.a3 Bf3 28.Nf3 (better is 28.Rf3!? Nbd5 29.Nc4–/+) 28...Nbd5 29.Nd5 Nd5 (29...Qd5?! 30.ab4 ab4 31.Ke1–/+) 30.Rh3 Qg6 31.Qb3?? (better is 31.e4 Nf4 32.Rg3–+) 31...Qe6 32.Kg1 Qh3 33.Qd5 c6! 34.Qc6 Re6 (34...Re6 35.Ng5 hg5–+) 0–1. Larsen,Be (2460) – Liascovich,L (2435), Club Argentino–Ruibal, Buenos Aires ARG, 2008.

5.Qc2 Nc6

6.d4 d6 7.Bf4 Nh5 8.Bd2 0–0 9.e4 Bg5 10.Nf3 Bd2 11.Nbd2 Bg4 12.Bd3 Nf4= 13.0–0 Nd3 14.Qd3 Bf3 15.Nf3 a6 16.Rfd1 b5 17.a3 Na5 18.a4 Nc4 19.Qb1 c6 20.d5 Qc7 21.Ra2 Nb6= 22.ab5 ab5 23.Nd4 cd5 24.Nb5+= Qc5 25.Ra8 Ra8 26.ed5 Nd5 27.Qb3+= Nc7 28.Nd6+/– Ne6 29.Ne4 Qc6+= 30.Qc2 Ra3 31.h3 f5 32.Ng3 Rc3 33.Qf5 Rc1 34.Rc1 Qc1 35.Kh2 Qh6 36.Qd5 Kf7 37.Nh5 Ke7 38.g4 g6 39.Qb7 Kd6 40.Qb4 Kc6 41.Nf6 Qf8 42.Qc3 Nc5 43.Qf3 Kb5 44.Qe2 Kb6 45.Nh7+– Qb8 46.Kg1 Qh8 47.Ng5 Qh6 48.Qe3 Kc6 49.Qf3 Kd7?? 50.Qd5 (50.Qd5 Kc7 51.Qc5 Kb8 52.Qd6 Ka7 53.Qf6+–) 1–0. vallabhan (1610) – Istvanny (1665), internet, 2007.

6.Bf4 0–0 7.a4 d5 8.Nf3 Re8 9.g3 Bd6 10.Bd6 Qd6 11.e3 g6 (11...Bg4 12.Bg2–/+) 12.a5 Bf5 13.d3 Qc5 Attacks the isolani on a5 14.Qb2 (14.Qa4 a6+=) 14...Na5 15.c4 Ng4 16.Qa3 (better is 16.Qd4 Qe7 17.Nbd2–/+) 16...Re3!–+ 17.fe3 Qe3 18.Be2 Re8 19.Ng1 (19.Nc3 Bd3 20.Ra2 Qf2 21.Kd1 Nc4 22.Qb4 Be2 23.Re2 Qf3 24.Rhe1–+) 19...Bd3 20.Nc3 (20.Qa4 Nc4 21.Qe8 Qe8 22.h3–+) 20...Nc4 21.Qa2 Be2 (21...Be2 22.Qc4 Bc4 23.Nce2 Be2 24.Nf3 Bf3 25.Kf1 Qf2) 0–1. Larsen,Be (2460) – Mareco,S (2475), Club Argentino–Ruibal, Buenos Aires ARG, 2008.

5.Qc2 d5

6.d4 0–0 7.e3 –/+.

6.d4 Nbd7 7.Bg3 (7.Nf3 Ne5 8.de5 Nd7+=) 7...Ne4 8.e3 h5 9.Bd3 h4 (9...Ng3?! 10.hg3 c5 11.Nf3=) 10.Be5 f6 11.f3 Ne5 12.fe4 (12.de5 Nc5 13.Bg6 Kf8–/+) 12...Ng4–+ 13.Qe2 Bd6 (13...de4 14.Be4 f5 15.Bf3–+) 14.Nf3–/+ de4 15.Be4 Qe7 16.Bg6 (16.Nbd2 f5 17.Bd3 Ne3–/+) 16...Kf8–+ 17.e4 (17.Nbd2!? Rh6 18.Bd3 Ne3–+) 17...Bf4 18.a4? (better is 18.Nbd2 Rh6 19.Bf5 Bf5 20.ef5–+) 18...Rh6 19.Bf5 Bf5 20.ef5 Qd6 (20...Qd6 21.Qb5 Re8 22.Kf1 h3–+) 0–1. towa (1815) – angeloyoung (2185), gameknot.com, 2014.

6.Bf6 Bf6 7.e3 =+.

5.c4 0–0

6.e3 d5 7.Qc2 Nc6–/+ 8.Bb2 d4 9.a3 Re8 10.Nf3 de3 11.de3 Bg4 12.Be2 Qd7 13.0–0 Bf5 14.Qc3 Nh5 15.Nd4 Bf6?? 16.Bh5+– Rad8 17.Qb3 Be4? 18.Nc3 Bg2?? 19.Kg2 Re5 20.Qd1 Rg5 21.Kh1 Nd4 22.ed4 Qh3 23.Qf3 Rh5 24.Qh3 Rh3 25.Nd5 Bg5 26.f4 Bh4 27.Kg2 Rd3 28.Rad1 Rb3 29.Rd2 c6 30.Nb4 Re8 31.Rf3 (31.Rf3 Rbe3 32.Re3 Re3 33.Nc2+–) 1–0. Horch – Schuelbe, Stassfurt, 1993.

6.Nf3 d6 7.Bb2 c6 8.Nc3 Na6 9.e3 Bf5 10.a3 Nc5 11.d4 Qb6 12.Bc1 Qb3 13.Qb3 Nb3 14.e4 (better is 14.Nh4!? Be4 15.Ne4 Ne4 16.Nf5–/+) 14...Be4–+ 15.Ne4 Na1 (15...Ne4?! 16.Rb1 Nc1 17.Rc1–/+) 16.Nf6 Bf6 17.Bd3 d5 18.0–0 dc4 19.Bc4 Rad8 20.Rd1 Nc2 21.Bb2?! (21.d5–+) 21...c5! 22.d5 (22.dc5 Rd1 Pinning (22...Rd1 Deflection)) 22...Bb2 23.Rd2 (23.a4 Na3 24.Nd2 a6–+) 23…Na3 (23...Na3 24.Bb3 Bc1–+) 0–1. Rush,Bradley – Schubert,Kristian (1645), 47. LSS No Engine Cup Preliminary, 2011.

5.c4 Nc6

6.Bb2 0–0 7.Nc3 d5 8.cd5 Nd5 9.e3 Bf5 10.Nf3 Ndb4 11.e4 Bg4 12.Be2 Nd3 13.Bd3 Qd3 14.Nd5? (better is 14.Qe2 Nb4 15.0–0–/+) 14...Qe4–+ 15.Ne3 Rfd8 16.h3 Bf3 17.Qf3 Qf3 18.gf3 Nb4 19.Ke2 Nd3 20.Bc3 g6 21.a4 b6 22.a5 b5 23.Rhb1 (23.Rab1 b4 24.Ba1–+) 23...b4 24.Be5 (24.Bb2–+) 24...Ne5 25.Rb3 Nc6 26.Rc1 (26.Kd1–+) 26…Nd4 (26...Nd4 27.Kf1 Nb3 28.Rc7 Bd6–+) 0–1. Rush,Bradley – Sukhorskij,Vladimir (2125), OP–2011–0–01576, 2011.

6.Bb2 0–0 7.Nc3 d5 8.cd5 Nd5 9.Nf3 Bf5 10.g3 (10.Nd5!? Qd5 11.Qb3 Qb3 12.ab3–/+) 10...Ndb4–/+ 11.Rc1 (11.d3 Bg4 12.a3 Bf3 13.ef3 Nd5–/+) 11...Re8–+ 12.Bg2 Nd3! 13.ed3 (13.Kf1 Nc1 14.Qc1 Qd7–+) 13...Ba3 (14.Ne2 Bb2 15.Rc6 bc6–+) 0–1. Arran – marekt, ChessWorld.net, 2004.

6.Bb2 0–0 7.e3 d5 8.cd5 Nd5 9.a3 Bf6 10.Qb3? (better is 10.Nc3!?–/+) 10...Be6 11.Bc4?? (11.Qc2 Bf5! 12.Qf5 Bb2 13.Ra2–/+) 11...Na5 12.Qa2 (12.Qc2 Nc4 13.Bf6 Qf6–+) 12...Nc4 13.Bf6 Qf6 14.d4 (14.Qc4 Ne3 15.Qc3 Qc3 16.Nc3 Nc2 17.Ke2 Na1 18.Nf3–+) 14...Nce3! 15.Qd2 (15.fe3 Ne3 Combination) 15...Ng2 16.Kd1 Bg4 17.Kc1 Rfe8 18.f3 Re1 19.Kb2 Qb6 20.Ka2 (20.Qb4 Nb4 21.fg4 Nd3 22.Kc3 Qb2 23.Kd3 Nf4 24.Kc4 Rc1 25.Nc3 Rc3#) 20…Be6 (20...Be6 21.Qb4 Nb4 22.Kb2 Qd4 23.Nc3 Qd2#) 0–1. Rush,Bradley – Kokkala,Janne (1850), OP–2012–0–02297, 2012.

5.d3 Nc6

6.Bf4 0–0 7.Nf3 d6 8.e4 Bg4 (8...d5!? 9.Nbd2 de4 10.de4 Re8–/+) 9.Be2+= Bf3 (9...d5!? 10.Nbd2 de4 11.de4 Bd6+=) 10.Bf3= Ne5 11.0–0 Nf3 12.Qf3 c6 13.Nd2 Qc7 14.a4 Rad8 15.c4 (15.Nc4 Qd7+=) 15...b6 16.Rfe1 Nd7 17.Qg3 Ne5 18.a5 Ra8 19.d4 Ng6 20.ab6 ab6 21.Be3 Bh4 22.Qf3 Qb7 23.d5 (23.Qf5 Bf6+=) 23...c5 24.g3 Ne5 (24...Ne5 25.Qe2 Bf6 26.Ra8 Ra8+=). Kirstein,Hans – Baer,Cy (1895), RSS4D basic–1, 2008.

6.Bg3 0–0 7.e3 d5 8.Nf3 Re8 9.Be2 Nh5 10.Nd4 Ng3 11.Nc6 bc6 12.hg3 Bg5 13.Nd2 Qf6 14.d4 Bf5 15.g4 Bd7 16.g3 a6 17.Nf1 Qd8 18.Bd3 g6 19.f4 Bf6 20.Qf3 Qe7 21.Rh2? (21.a3 c5 22.g5 Bg7 23.Qd5 cd4 24.cd4 c6–/+) 21...c5 (21...Qa3 22.Rd1–/+) 22.Re2 (22.g5!? Bg7 23.Qd5 cd4 24.cd4+=) 22...c6 23.Kf2 a5 24.Rae1 a4 25.g5 Bg7 26.Nh2 c4 27.Bb1 a3 28.g4 f5 29.gf5 gf5 (worse is 29...Bf5 30.e4 Bd7 31.ed5+/–) 30.Qh3 Be6 (better is 30...Qf7!?+=) 31.Nf3 Qf7 32.Nh4 (better is 32.Rh1!? Qg6 33.Nh4+–) 32...Rab8 33.Bf5 Bf5 34.Nf5 Rf8 35.Ng7 Qg7 36.Qe6 Qf7 37.Qc6 Qb7? (37...Qf5 38.Qd6 Rfe8 39.Kg3+– (39.Qa3?! Qh3=)) 38.Qa4 (better is 38.Qb7!? Rb7 39.Kf3+–) 38...Ra8 39.Qc2 Ra6 40.Rb1 Qd7 41.Kg3 1–0. Allain,Michael A – d'Aragona,Vittoria, IECC, 2010.

5.d4 0–0

6.Nd2 d5 7.e3 Nbd7 8.Bg3 Ne4 9.Qc2 Nd2 10.Qd2 Nf6 11.Bd3 Ne4 12.Be4 de4 13.c4 c5 14.Ne2 cd4 15.ed4 Bg4 16.Nc3 (16.Rd1!?+=) 16...Rc8–/+ 17.c5 (17.h3!? Bg5 18.Qb2–/+) 17...Bg5–+ 18.Bf4 Bf4 19.Qf4 Qd4 20.0–0 Qc3 (20...Qc5?! 21.Ne4 Qc6 22.Nd6–/+) 21.Qg4 f5 (21...Rc5?! 22.Qe4 b6 23.Rfe1–/+; 21...Qc5?! 22.Qe4 Qc6 23.Qf5–/+) 22.Qf4 Qc5 23.Rac1 Qd5 0–1. Taroak – Reddog, playchess.de, 2005.

6.Nd2 d6 7.Bf4 Nc6 8.e4=+ Bg4 9.Be2= Qd7 10.h3 Be2 11.Qe2 Rfe8 12.Ngf3 Bf8=+ 13.0–0 g6 14.c4 Bg7 15.d5 Ne5 16.Ne5+= de5 17.Be3 Qa4 18.Nb3 b6 19.Rfd1 Rad8 20.Bg5+= Rd7 21.Qf3+/– Nh5 22.g4 Nf4= 23.Bf4 ef4=+ 24.Qf4? Ba1–+ 25.Ra1 Qc4 26.Nd2 Qc3 (26...Qc3 27.Rd1 Qh3–+) 0–1. Shakkimestari – Gegonz, internet, 2006.

6.Qd3 Nc6 7.f4 Nd5 8.Nh3 d6–+ 9.Bg7 Kg7 10.g4 Bh4 11.Kd2 Be7 12.f5?! Bg5 13.Kc2 Ncb4! 14.cb4 Nb4 15.Kc3 Nd3 16.ed3 c5 17.Ng5 cd4 18.Kd4 Qf6 (18...Qf6 19.Ke4 Qa1–+; 18...Qg5 19.Nc3 Qf6 20.Ke3 Qc3 21.Be2 Re8 22.Kf3–+) 0–1. perspective08 – GmLencioni, internet, 2006.

6.e3 b6 7.Nf3 d5 8.Bd3 c5 9.Bf6 Bf6 10.Qc2 h6 11.Nbd2 Nc6 12.0–0 Be6 13.Rab1 cd4 14.cd4 Rc8 15.Qa4 Rc7 16.Bb5 Ne7 17.Rbc1+= Nf5 18.Rc2 Rc2= 19.Qc2 Qe7 20.Bd3 g6 21.Re1 Rc8= 22.Qb1 Qa3 23.Qb3 Qb3 24.Nb3 Rc3=+ 25.Bb1 a6 26.Rc1 Rc1 27.Nc1 Nd6 28.Ne2 ½–½. Cornacchini,Gabriele – Buhagiar,David, corr ICCF email, 1998.

6.e3 c5 7.Bd3 (7.Bf6 Bf6 8.Bd3 d5+=) 7...cd4 (7...d5 8.dc5 Nbd7 9.Bf6 Nf6 10.Nf3+=) 8.cd4 (8.Bf6 Bf6 9.cd4 Nc6=) 8...Nc6 9.Nf3 Ne5 10.Ne5 (10.de5 Qa5 11.Nbd2 Ng4=) 10...Bb4 (10...d6 11.Nf3=) 11.Nd2 d6 12.Nef3 d5 (12...Be6 13.Qa4 a5 14.0–0=) 13.0–0 (13.Qb3 Qa5 14.Rb1 Bd2 15.Nd2 b6=) 13...Bd6 (13...Re8 14.Qa4 Bd6 15.Rab1=) 14.Qb3 Re8 15.Rfc1 Rb8 (15...Qe7 16.Rab1=) 16.Nf1 (16.Rc2 b5=) ½–½. Knechtel,Ralf – Schmid,Georg, North Bayern–ch, 2003.

6.e3 Nc6 7.Bd3 d6 8.Bf6 Bf6 9.Qc2 g6 10.Nf3 Re8 11.h4 Bg4 12.Nbd2 a6 13.0–0–0 b5 14.Rde1 Na5 15.Nh2= Qd7 16.Ng4 Qg4 17.h5 d5 18.hg6 fg6 19.f3 Qg5 20.f4+= Qg4 21.Rh2 Bh4 22.Reh1+/– Bf2 23.Rh7 Be3 24.R1h6 Qf4 25.Bg6 Bd2= 26.Qd2 Qd2 27.Kd2+/– Nc4 28.Kd1 Ne3 29.Kc1 Rf8 30.Rc7 Rf1 31.Kd2 (31.Kd2 Nc4 32.Ke2+–) 1–0. katchum (1605) – chessstudent (1670), net–chess.com, 2001.

6.e3 Nc6 7.Bg3 d5 8.Bd3 Ne4 9.Qc2 h5 10.Be4 de4 11.Qe4 h4 12.Bf4 Re8 13.Nf3 (better is 13.Qf3+=) 13...f6?? (better is 13...Bd6!? 14.Ne5 Be5 15.Be5 f6 (15...Ne5?! 16.de5 c6 17.Nd2=) 16.Bc7 Re4 17.Bd8 Nd8–/+) 14.Bc7 (better is 14.Qg6 Bd6 15.Bd6 cd6 16.Nh4+–) 14...Qc7= 15.Qd5 Kf8 16.Nh4 g5 17.Ng6 Kg7 18.Ne7 Ne7 19.Qf3 Rh8 20.h3 g4 21.Qe2 gh3 22.Rh3? Rh3?? 23.gh3+= Bh3 24.c4 Qh2 Black gets strong initiative 25.Nd2 Qg1 26.Nf1 Nf5 27.0–0–0 Bg4–+ 28.f3 Bh3 29.Kb2 Re8 30.Nd2 Qe3 31.Qe3 Re3 32.Rg1 Kf8 33.Rh1 Bg2 34.Rh8 Kg7 35.Rd8 b6 36.d5 Bf3 37.Nf3 Rf3 38.Rd7 Kg6 39.Ra7 Nd6 40.Rc7 Kf5 41.Rc6 Ke5 (41...Ke5 42.a4 f5–+) 0–1. Dubleumortier,Alain (2075) – Neri,Jean (2215), corr Aquitaine–ch, 1999.

6.e3 d6 7.Bg3 (7.Bf6 Bf6 (worse is 7...gf6 8.Bd3+/–) 8.Bd3 c5=) 7...Bf5 8.Nf3 (8.Bd3 Bd3 9.Qd3 d5=) 8...Nbd7 (8...Re8 9.Bd3 Qd7 10.0–0=) 9.Nbd2 (9.Bd3 Ne4+=) 9...c6 (9...d5 10.c4+=) 10.Be2= Qa5 (10...Nh5 11.c4=) 11.Qb3 Nb6 12.Nc4 (12.0–0!?=) 12...Nc4–/+ 13.Bc4 d5 14.Be2 Ne4 15.0–0 (15.Nh4 Nc3 16.Kf1 Bh4 17.Bh4 Ne2 18.Ke2 Qa6 19.Kd2 Rfe8–+) 15...Nc3 16.Rfe1 Qb4 17.Qb4 (17.Bf1 Qb3 18.ab3 Ne4–/+) 17...Bb4 18.a3 Ba5 19.Bd6 Rfe8 20.Bb4 (20.Bf1 Ne4 21.Bb4 Bc7–/+) 20...Ne2 21.Re2 Bc7 22.Rb2 a5 (22...Rab8 23.h4–/+) 23.Bc5–/+ b6 (23...b5 24.Rc1–/+) 24.Nh4 (24.Bb6 Rab8 25.Bc7 Rb2 26.Ba5 Ra8–/+) 24...Be4 25.Bb6 Rab8 26.Bc7 Rb2 27.Ba5 Ra8 28.Be1 g5 (28...g5 29.Nf3 Bf3 30.gf3 Ra4–+) 0–1. Borrmann,Fritz – Pommerel,Wim, corr SOK–97–121, 1998.

6.Nf3 Nc6 7.Bf6 Bf6 8.e3 d5 9.Bd3 Bg4 10.Nbd2 Qd7 11.0–0 Rfe8 12.Qc2 h6= 13.Rfb1 b6 14.a3 Re7 15.Rc1 Na5= 16.c4 dc4=+ 17.Nc4 Nc4–/+ 18.Qc4 Bf3 19.gf3 c5! 20.Ra2 cd4 21.Be4 Rd8 22.Rd2 Qd6 23.ed4? Bg5–+ (23...Bg5 24.Rdd1 Bc1 25.Qc1 Rc7–+; 23...Bd4? 24.Rd4 Qb8 25.Rd8 Qd8 26.Qc8+–) 0–1. algernon (2470) – hrenette (2370), net–chess.com, 2003.

6.Nf3 d5 7.Qd2 Ne4 8.Qf4 g5 9.Ng5? Bg5–+ 10.Qf3 Bc1 11.Qh5 Bb2 12.Qh6 f6 13.f3 fe5 14.fe4 ed4 15.cd4 Bd4 16.e3 Ba1 17.ed5 Bg7 18.Qh5 Rf5 19.Qe2 Qh4 20.g3 Qe4 21.Rg1 Qb1 22.Qd1 Bc3 23.Ke2 Qb5 24.Qd3 Qb2 25.Qd2 Qd2# 0–1. Krahl,Wolfgang – Benassi,Aspasio, corr or01–016, 2001.

6.Nf3 d6 7.Bf4 Nh5 8.Bc1 black timed out 1–0. algernon (2515) – hurble (2335), net–chess.com, 2014.

6.Bf6 gf6 7.e3+/–.

6.Bf6 Bf6 7.e3 b6 8.Bd3 d5 9.Qh5 g6 10.Qf3 c5 11.Ne2 Ba6 12.Ba6 Na6 13.Nf4 Nc7 14.Nd2 Qd7 15.Rd1 Qf5 16.0–0 Bg5 17.dc5 Bf4 18.ef4 Ne6 19.Rfe1 Nf4 20.c4 bc5= 21.g4 Qg5+= 22.h4 Qh6 23.cd5 f5 24.d6 fg4 25.Qg4 Rf5 26.d7 Qf8 27.Ne4 Rd8 28.Nd6 h5 29.Qf3 Rd7 30.Nf5 Rd1+/– 31.Rd1 Ne6?? 32.Re1 gf5 33.Re6 Qg7 34.Kh1 Qf7 35.Re5 Qf6 36.Qf4 c4 37.Rf5 Qc6 38.Kh2 Qg6 39.Rg5 (39.Rg5 Qg5 40.Qc4 Kh7 41.hg5+–) 1–0. Baer,Werner – Jonsson,Gudbrandur, TT–07 TSC, 2003.

6.Bf6 Bf6 7.e3 d5 8.Nf3 c5 9.dc5 Be6 10.Bb5 Qa5 11.Qa4 Bc3 12.Nc3 Qc3 13.Ke2 Qc5 14.Rhc1 Qd6 15.Bd3 Nc6 16.Rab1 Rab8 17.Kf1 d4 18.h3 (18.ed4 Bd5–/+) 18...de3 19.Rd1 Qc5 20.Rb5 Qc3 21.Qe4 g6 22.Qe3 Rfd8 23.Rc5 Qa3 24.Kg1 Ba2 25.Rcc1 Rd6 (26.Rc2 Bd5–+) 0–1. shaip – marekt, ChessWorld.net, 2002.

6.Bf6 Bf6 7.e4 Re8 8.Bd3 c5 9.Ne2 cd4 10.cd4 Nc6 11.e5 Ne5 (11...Bh4!?–/+) 12.de5+= Be5 (worse is 12...Re5 13.Nbc3+/–) 13.Nd2 Ba1 14.Qa1 Qg5 15.Ne4 Qa5 (15...Qd5 16.Qb1 f5 17.N4g3 Qg2 18.Qb5+=) 16.Kf1 (16.Qc3!? Qc3 17.N4c3= (17.N2c3? f5–+)) 16...d5+= 17.N4c3 (17.Nd6 Rd8 18.Nc8 Rac8=) 17...d4 (better is 17...Be6–/+) 18.Nb5? (18.Nd4 Be6 19.Bb5–/+ (19.Ne6? Re6 20.h4 Rae8–+)) 18...Qd2–+ 19.Qb1?? (19.Bc4 d3 20.Ned4–+) 19...Bf5 (19...Bf5 20.Nf4 Rac8–+) 0–1. towa (1845) – queensservant (1785), gameknot.com, 2014.

6.Bf6 Bf6 7.Nf3 d5 8.e3 c5 9.Bd3 c4 10.Bc2 Nc6 11.Nbd2 Qa5 12.Qc1 Be7 13.a4 f5 14.Nb1 b5 15.0–0 b4 16.cb4 Bb4 17.h3 Rb8 18.Qb2 Ba6 19.Rd1 c3 20.Qa2 Be7 21.e4?? (better is 21.Bf5 Rf5 22.Qc2–+) 21...Bc4 22.Bb3 (22.Qc4 dc4 23.ef5 Rb2–+) 22...Bb3 23.Qe2 c2 24.Rc1 de4 25.Nfd2 Nd4 26.Qe3 Qd8 27.Qe1 Bg5 28.Kh1 cb1Q 29.Rab1 Nc2 30.Qe2 Qd2 31.Qd2 Bd2 32.Rd1 e3 33.fe3 Be3 34.Rd3 Bc4 35.Rb8 Bd3 36.Rb3 Rd8 37.Kh2 Be4 38.Rc3 Rd2 39.h4 Rg2 40.Kh3 Bf4 41.Rc8 Kf7 42.Rc2 Rc2 (42...Rc2 43.a5 Rc3) 0–1. Van Dosselaer,Mattias – Korinek,Jaroslav (1660), OP–2010–0–01141, 2010.

6.h3 Ne4 7.Nf3 d5 8.e3 f6 9.Bf4 g5 10.Bh2 c5 11.Nfd2 Nd2 12.Nd2 Nc6 13.Bd3 c4 14.Be2 f5 15.a4 Qa5 16.Qc1 Be6 17.0–0 f4 18.Nf3 g4 19.hg4 fe3 20.Qe3 Bg4 21.Rfb1 Qa6 22.Ne5 Be2 23.Qe2 Ne5 24.Be5 Rf7+= 25.Qg4 Kf8 26.f4 Re8 27.f5 Bf6 28.Qf4 Kg8 29.Rf1 Qb6 30.Rf3?? Be5–+ (30...Be5 31.a5 Qb2–+ (31...Bf4?! 32.ab6 Bg5 33.ba7–+)) 0–1. Veszely,Frank – Phoenix, Vancouver Keres mem, 1988.

6.e3 d5

7.Qc2 Nbd7 8.Bg3 (8.Bf4 Re8+=) 8...c5–/+ 9.Nd2 Re8 10.Ngf3 a6 (10...c4 11.Be2+=) 11.Be2 b5 12.0–0 Nh5 13.Ng5 (13.Bd3 g6=) 13...Bg5+= (13...Ng3?? 14.Qh7 Kf8 15.Qh8) 14.Bh5 Nf6 (14...Qf6 15.Bf3 Qe6 16.Qd3=) 15.Bf3= cd4 (15...Qe7 16.dc5 Qc5 17.Rfd1=) 16.cd4 Bb7 (16...Be6 17.Rfc1=) 17.Qf5 (17.Rfc1 Rc8 18.Qd3 Qe7+=) 17...Ne4= 18.Be4 (18.Bc7 Qc7 19.Be4 de4 20.Qg5 Qd6=) 18...de4 19.Qc5 (19.Be5!?=) 19...Rc8+= 20.Qb4 (20.Qf5 Qd5 21.Qg4 Red8+=) 20...Rc2 21.Rfd1 Qd5 22.Qb1 Rec8 23.Nb3 (23.a4 ba4 24.Ra4 Be7–/+) 23...Be7+= 24.a3 (24.Nc5!? Rc3 25.Nb7 Qb7 26.d5+=) 24...R2c3 (24...R8c3 25.Rd2 Rd2 26.Nd2 Ba3 27.Qe1–+) 25.Na5–/+ Ba8 26.a4? (better is 26.Qb2–/+) 26…b4–+ (26...b4 27.Nc4 R8c4–+) 0–1. Wallace,Gary – Woschkat,Karl_Heinz, corr or01–001 E–mail, 2001.

7.Nd2 Nbd7 8.Bf4 Re8 9.Bd3 c5 10.Ne2 c4 11.Bc2 Nh5 12.Qb1 =+.

7.Nd2 Nbd7 8.Bf6 Nf6 9.Bd3 Qd7 10.Ngf3 c5 11.dc5 Bc5 12.0–0 =.

7.Nd2 Nbd7 8.Bg3 c5 9.Qc2 b6 10.Ngf3 Bb7 11.Bd3 cd4 12.ed4 Re8 13.0–0 Rc8 14.Rfe1 g6 15.Rab1 Nh5 16.Bh4 Bh4 17.Re8 Qe8 18.Nh4 Nf4 19.Nhf3 Nd3 20.Qd3 Qf8 21.Qe3 Re8 22.Qf4+= Qe7 23.h3 Qf6 ½–½. Baer,Werner – Wittal,Werner, TT–02.47 TSC, 2002.

7.Nd2 Re8 A) 8.Bd3 Nbd7 (8...c5 9.dc5 Nbd7 10.Bf6 Bf6 11.Qc2 h6 12.Ngf3=+) 9.Ngf3 Ne5 10.de5 Nd7 11.Qc2 h6 12.Rd1=+; B) 8.Bf6 Bf6 9.Bd3 c5 10.Qc2 cd4 11.cd4 Bd4 12.Rc1=+.

7.Bd3 b6 8.Nf3 Ba6 9.Ba6 Na6 10.Qd3 Nb8 11.Nbd2 Nbd7 12.Bg3 c5 13.0–0 Qc8 14.Rfe1 Re8 15.h3 Qb7 16.e4 de4 17.Ne4 Bf8 18.Nd6 Bd6=+ 19.Bd6 Qd5 20.Be7= cd4 21.cd4 Rac8 22.Bf6 Nf6 23.Qa6 Qd7 24.Re8 Re8 25.Rc1 h6 26.Qc4 ½–½. Lang,Torsten – Berndt,Stephan, Germany, 1992.

7.Bd3 c5 8.dc5 Nbd7 (8...Nbd7 9.Bd4 Nc5 10.Bc5 Bc5–/+) 0–1. guides (1875) – bollewillem (2250), gameknot.com, 2014.

7.Bd3 c5 8.Nd2 Nc6 –/+.

7.Bd3 c5 8.Ne2 Nc6 9.Bg3 cd4 10.ed4 (10.cd4 Nb4+=) 10...Re8 (10...Ne4 11.Be4 de4 12.d5+=) 11.0–0+= Bg4 12.Nd2 Nh5 13.f3 Be6 14.Qc2 (14.Nf4 Ng3 15.hg3+=) 14...Nf6 (better is 14...Ng3!? 15.Bh7 Kh8 16.Ng3 Rc8=) 15.Rab1= Rc8 16.Rb7 Nb4 17.Qb1 (worse is 17.cb4 Rc2 18.Bc2 Nh5–+) 17...Nd3 18.Qd3 Bd6 (18...Nh5 19.Re1+=) 19.Ra7 (19.Bd6 Qd6 20.Ra7 Rb8+=) 19...Bg3+= 20.hg3 Bf5 21.Qa6 (21.Qf5 Re2 22.Qd3 Qb6 23.Qe2 Qa7+/–) 21...Re3 22.Nf4 Rcc3 (22...Rec3 23.g4 Rc2 24.gf5 Rd2 25.Re1 Rd4 26.Nd3=) 23.Qa5 Qa5 24.Ra5 Ra3 25.Nd5 Ra5 26.Ne3 Ra2 27.Rd1 Bd3 28.Nb3 Be2 29.Rd2 White prepares the advance d5 29...Rd2 30.Nd2 Ne8 (30...Kf8 31.Kf2 Bd3 32.g4+/–) 31.Ne4 f6 32.d5 Kf7 33.Kf2 Bb5 34.g4 g6 35.g5 f5 36.Nc3 Nd6 37.g4 Bd3 (37...Bd7 38.gf5 Bf5 39.Kg3+/–) 38.Kg3 Ke7 (38...Kf8 39.gf5 Bf5 40.Kf4+–) 39.Kf4+– Nc4?? (better is 39...fg4 40.Ng4 Bc4+–) 40.Nc4 Bc4 41.gf5 gf5 (41...Kf8 42.d6 Ke8 43.Ke5+–) 42.Kf5 Kf7 (42...Kd6+–) 43.f4 Ke7 44.Ke5 Kd7 45.f5 Bd3 46.Na4 (46.Na4 Ke7 47.Nc5+–) 1–0. yulio (1960) – queensservant (1810), gameknot.com, 2014.

7.Bd3 c5 8.Ne2 Nbd7 9.Bg3 Nh5 10.Nf4 Nf4 11.Bf4 c4 12.Bc2 Nf6 13.Nd2 Qa5 14.Nb1 Qb6 15.Qc1 Nh5 16.Nd2 Nf4 17.ef4 Bd6 18.g3 Qa5 19.a4 Re8 20.Kf1 Bh3 21.Kg1 g6 22.Qb2 Re2 23.Nf3 Rae8 24.Ne5 Be5 25.fe5 R8e5 26.de5 Qc5 0–1. nextdoor (1705) – glovio (2130), gameknot.com, 2014.

7.Nf3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.c3 Be7 7.d4).

7.Bd3 Nbd7

8.Nf3 Ne5 9.Ne5 Bd6 10.Nf3 b6 11.0–0 c5 12.Nbd2 Re8 13.dc5 bc5 14.Rb1 c4 15.Bc2 Qc7 16.Ba4 Re7 17.h3 Bf5 18.Bc2 Bd7 19.Ba4 Bf5 20.Bc2= Bd7 21.Ba4 Bf5 (21...Ba4 22.Qa4 a6 23.Rfd1=) ½–½. Cheski,Joanna – Toumani,Flene, IECC, 1998.

8.Bf4 Nb6 9.Ne2 (9.Nf3 Nh5 10.Be5 f6 11.Bg3 Be6 12.Nbd2; 9.Qc2 Bg4 10.Nd2 c5 11.dc5 Bc5 12.Ngf3; 9.Nd2 Bg4 10.Ngf3 Nh5 11.h3 Bf3 12.Qf3) 9...Bg4 10.0–0 Re8 11.h3 Bh5 12.a4.

8.Bf4 c5 9.Ne2 (9.Nf3 c4 10.Bc2 Nh5 11.Be5 Qb6 12.Nbd2; 9.Nd2 Re8 10.Ne2 c4 11.Bc2 Nh5 12.Qb1) 9...c4 10.Bc2 Nh5 11.0–0 Re8 12.Nd2 ½–½.

8.Bf4 Ne4 9.Nf3 (9.Ne2 Re8 10.0–0 Ndf6 11.c4 dc4 12.Bc4; 9.Qc2 Ndf6 10.f3 Nd6 11.e4 Nh5 12.Bd2; 9.a3 Ndf6 10.Ne2 c5 11.dc5 Nc5 12.0–0) 9...Re8 10.Qc2 Ndf6 11.0–0 Bd6 12.Bd6.

8.Bg3 c5 9.Ne2 c4 10.Bc2 Nh5 11.Nf4 Nf4 12.Bf4.

8.Bg3 Ne4 9.Ne2 (9.Nf3 Ndf6 10.Be5 Ng4 11.0–0 Bh4 12.Nh4; 9.Bf4 Bh4 10.Be4 de4 11.Nd2 Re8 12.Qc2; 9.Qc2 Ndf6 10.Be5 Re8 11.Nd2 Nd2 12.Qd2; 9.Nd2 Ndf6 10.Ne2 Bf5 11.Ne4 de4 12.Bc4) 9...Ndf6 10.0–0 Bf5 11.Be5 Qd7 12.Qc2.

8.Bg3 Re8 9.Nf3 (9.Nd2 c5 10.Ngf3 c4 11.Bf5 Qa5 12.Qc2; 9.Ne2 c5 10.0–0 c4 11.Bc2 Nh5 12.Be5; 9.Qf3 c5 10.Nd2 c4 11.Bc2 Qa5 12.Ne2) 9...c5 10.Nbd2 c4 11.Bb1 Ba3 12.Bf5.

8.Bf4 Re8

9.Nd2 c5 10.Ne2 Nh5 11.0–0 Nf4=+ 12.Nf4 c4 13.Bc2 Nf6 14.Nh5 Nh5 15.Qh5= g6 16.Qf3 Bd6 17.Ba4 Re6=+ 18.e4 de4 19.Ne4 Bh2 20.Kh2 Qh4 21.Kg1 Qe4 22.Qg3 h6 23.Qc7 Qd5 24.Bd1 Qd6 25.Qc4= Re7 26.Bf3 Rc7 27.Qb3 Be6 28.d5 Bf5 29.Rfe1 Rac8 30.Rad1 Rc3 31.Qb7 R3c7 ½–½. Rohde,Friedhelm – Hobert,Sebastian, 2005.

9.Nd2 c6 10.Ne2 Nh5 11.0–0 Nf4 12.Nf4.

9.Ne2 Nf8 10.h3 c5 11.0–0 c4 12.Bc2 Ng6 13.Bh2 Bd6 14.Bd6 Qd6 15.Nd2 b5 16.Ng3 Bd7 17.e4 de4 18.Nde4 Ne4 19.Be4 Rab8 20.a3 Nf4 21.Qf3 g6 22.Rfe1 f5 23.Bb7 Kg7 24.Re3 Nd3 25.Re8 Re8 26.Ne2 a5 27.Ra2 b4 28.ab4 ab4 29.cb4 Qb4 30.Kh2 Nf2! 31.Qf2 Qb7 32.Nc3 h6 33.Re2 Qb8 34.Kg1 Qb6 35.Re8 Be8 36.Qf4 Bf7 37.Qe5 Qf6 38.Qc5 f4 39.Kf2 g5 40.Nd5 Qe6–+ 41.Ne7 c3! 42.Nf5 Kh7 43.g4?? Qa2 44.Kg1 f3 45.Ne3 Qe2 (45...Qe2 46.Qe7 f2 47.Kh1 f1Q 48.Nf1 Qe7 49.Kg2 Qe2 50.Kg1 c2 51.d5 c1Q 52.h4 Qcf1) 0–1. Blechar,Michael J (2230) – Weiss,Lester P (2035), ICCF, 2007.

9.Ne2 Nh5 10.Qc2 Ndf6 11.Be5 h6 12.c4.

9.Nf3 c5 10.0–0 c4 11.Bf5 Nh5 12.Be5.

7.Bf6 Bf6

8.Bd3 c5 9.Nd2 Nc6 10.dc5 Bc3 11.Bh7 Kh7 (11...Kh8 12.Bd3 Bg4 13.Qg4 Bd2 14.Kd2 Kg8+–) 12.Qc2+= Kg8 13.Qc3 d4 14.ed4 Re8 15.Kf1 Nd4 16.Nb3 Nb5 17.Qd2 Qf6 18.Re1 Be6 19.Nf3 Rad8 20.Qb4 Na3 21.Nbd4?? (21.Qa3 Qf3) 21...Bc4+= 22.Kg1 Re1 23.Qe1 (better is 23.Ne1 Rd4 24.Qa3+=) 23...Rd4–+ 24.Nd4 Qd4 25.h4 Be6 (worse is 25...Ba2 26.Qa5 Qa1 27.Kh2–/+) 26.h5 Nc2 (26...Qc5!? 27.h6–/+) 27.Qc1 Nb4 28.h6 Nd3 29.Qd2 gh6 30.Rh5 Nf4 31.Qd4 Ne2 32.Kf1 Nd4 33.Rh4 Nb5 34.Ra4 Bd5 35.f3 Kf8 36.Kf2 Ke7 37.Rb4 Nc7 38.Ra4 a6 39.a3 Kd7 40.Rh4 Kc6 41.Rh6 Kc5 42.Rh1 Nb5 43.Rc1 Kd4 44.a4 Na3 45.Ra1 Nc4 46.a5 Kc5 47.f4 Kb4 48.Rd1 Bc6 49.g4 Ka5 (49...Ka5 50.Ke2 b5–+) 0–1. Hoch,Hubertus (2165) – Kmiecik,Klaus (2095), remoteschach.de, 2005.

8.Bd3 c5 9.Nd2 Nc6 10.dc5 Ne5 11.Nb3 b6 12.cb6 Nd3 13.Qd3 ab6 14.Ne2 Ba6 15.Qd2 Qc7 16.0–0 (16.Nbd4 Rfc8= 17.a4 Ra7 (17...Be5 18.h3 Bc4 19.0–0 Ra5 20.Rfb1 Rca8 21.Qd1 Bh2) 18.Nf4 Bc4 19.Nh5 Be5 20.f4 Bd6 21.Kf2 Rca8) 16...Be5 (16...Be2 17.Qe2 Be5 18.Qh5 g6 19.Qh3 Qc3 20.Rac1 Qb4 21.Rc2 Ra7) 17.h3 (17.Kh1 Be2 18.Qe2 Rfc8 19.Rfd1 Bc3 20.Rac1 Qe5 21.Rc2 Rd8) 17…Bc4 (17...Rfc8 18.Rfd1= Be2 19.Qe2 Bc3 20.Rac1 Qe5 21.Rc2 Rc4; 17...Be2 18.Qe2 Rfc8 19.Rfd1 Bc3 20.Rac1 Qe5 21.Rc2 Rc4) ½–½. Hoch,Hubertus (2320) – Ott,Peter (2280), RSX – FSO1 remoteschach.de, 2005.

8.Bd3 c5 9.Nd2 Nc6 10.dc5 Ne5 11.Nb3 b6 12.cb6 Nd3 13.Qd3 ab6 14.Ne2 Ba6 15.Qd2 Be2 16.Ke2 Qc7 17.Nd4 Rfc8 18.a4 Qe5 19.h3 Qh5 20.g4 Qe5 21.Rhb1 Qh2 22.g5 Bd4 23.Qd4 Qh3 24.Rb6 Qh5 25.Kd2 Qg5 26.Rb5 h6 27.Rd5+/– Qg2 28.e4 Re8 ½–½. Hoch,Hubertus (2165) – Molzahn,Norbert (2290), remoteschach.de, 2005.

8.Bd3 c5 9.Ne2 Nc6 10.Ng3 Qb6 11.Nd2 cd4 12.cd4 Nd4 13.ed4 Qd4 14.Nb3 Qb4 15.Kf1 Ba1 16.Qa1 Re8 17.h4 Bd7 18.h5 h6 19.Nd4 Rac8 20.Nge2 Qd2 21.Qb1 Bg4 22.f3 Bd7 23.Nb3 Qe3 24.Rh4 Bf5 25.Bf5 Qe2 26.Kg1 Rc4 27.Rh3 Ra4 28.Bc2 Qe3 (28...Qe3 29.Kh2 Qf4 30.Kh1 Qb4–+) 0–1. Bennett,Hilton (2200) – Ganesan, email 4AMM–F 1997–1999.

8.Bd3 c5 9.Nf3 Nc6 (9...c4 10.Bc2+= Be7 (10...Nc6 11.0–0 Be7 12.e4 Be6 13.Nbd2 Qd7 14.Re1=) 11.0–0 Qb6 12.e4 Qb2 13.Nbd2 Qc3 14.ed5=) 10.Nbd2 (10.dc5 Qe7= 11.Nd4 Ne5 12.Nb3 Be6 13.Qc2 Nd3 14.Qd3=) 10...c4+= (10...Re8 11.0–0 c4 12.Bb1 Be7 13.e4 Be6 14.Re1+=) 11.Bc2 (11.Bb1 Re8 12.0–0 Be7 13.Qc2 f5 14.Qb2+=) 11...Qa5 12.Qc1 g6 (12...Be7 13.a3+= (13.a4 f5 14.Bb1+=) 13...Bd6 14.0–0+=; 12...Re8 13.0–0 Be7 14.a3+=) 13.Qb2= b5 (13...Re8 14.0–0=) 14.a3 Rb8 15.0–0 Qb6 (15...Re8 16.Rfe1=) 16.Rfe1 a5 17.e4 Be6 18.Nf1 b4 19.ab4 ab4 20.Ne3 de4 21.Be4 Nd4 (better is 21...Rfd8!?=) 22.Nd4+/– Bd4 23.cd4 c3 24.Qc2 Qd4 25.Red1 Qc5 26.Rac1 (26.Rd3 Rbd8+/–) 26...Rfc8+= 27.Rd3 (27.Nd5 Rd8 28.Nf4 b3 29.Rd8 Rd8–/+) 27...Qa5 (27...Qe5 28.Qb1+=) 28.Nd5 (28.Bd5 b3 29.Qb1–/+) 28...b3–/+ 29.Qb1 b2 30.Rc2 Bd5 31.Rd5 Qa4 32.f3 f5 (32...f5 33.Rd1 fe4 34.fe4 Rd8–+) 0–1. Gaslevich,LW – Petersons, corr Hammond mem, 1981.

5.d4 Nc6

6.Bg3 0–0 7.Nd2 d5 8.h3 b6 9.Ngf3 Ba6 10.Qc2 Na5 11.Be5 Re8 12.c4 dc4 13.0–0–0 b5 14.Ng5 g6 15.g4 Rb8 16.f4? b4?? 17.f5? b3–+ 18.ab3 cb3 19.Qb2 Qd5 20.e4 Qb7 21.Ba6 Qa6–+ 22.d5 Nc4 23.Nc4 Qc4 24.Kb1 Ne4 (24...Ne4 25.Nf7 Kf7–+) 0–1. gtate (2020) – bobbs (2380), net–chess.com, 2006.

6.Bg3 0–0 7.Nd2 Re8 8.e3 d6 9.Bd3 Nb8 10.Qc2 Nbd7 11.Ne2 c5 12.0–0 d5 13.c4 dc4 14.Bc4 Nb6 15.Bb3 Bg4= 16.f3 Bh5 17.Rad1 Nfd5=+ 18.Bf2 Nb4 19.Qb1 Bg6 20.e4 cd4 21.Bd4 Qc7 22.Rc1 Nc6 23.Qb2 Rad8 24.Rfd1 Bg5 ½–½. NathanStack – marekt, ChessWorld.net, 2004.

6.Bg3 0–0 7.e3 a6 8.Bd3 d5 9.Nf3 Bg4 10.0–0 Ne4 11.Qc2 Bf3 12.gf3 Ng3 =. takuboku – Anshum, playchess.de, 2001.

6.Bg3 0–0 7.e3 d5 8.Bd3 b6 9.Nd2= Na5 10.Nb3 Nc6 11.Nf3 Bg4 12.Rc1 Ba3 13.Rc2 Ne4 14.Bf4 Ne7 15.Nbd2 Nd6?? 16.Bh7! Kh8 17.Bd3 a6 18.h3 Bd7 19.Ne5 Nef5?? 20.g4 Ne7 21.g5 Bf5+/– 22.Bf5 Ndf5 23.h4 Ng8?? 24.Qh5+– Ngh6 25.gh6 g6 26.Nf7! Rf7 27.Qg6 (27.Qg6 Bd6 28.Qf7+–) 1–0. Becker,Andreas – Niethammer,Mathias, SC Keltern–SV Wolfbusch, 2002.

6.Bg3 d5 7.e3 0–0 8.Bd3 Bg4 9.Qc2 Bh5 10.Nd2 Na5 11.Ngf3 c6 12.Ne5 Bg6 13.0–0 Bd3 14.Qd3 Nd7 15.e4 de4 16.Ne4?? (better is 16.Qe4 Re8 17.Rfe1+=) 16...f5–/+ 17.Rae1 Ne5 18.Be5 fe4 19.Re4 Bf6 20.Rfe1 b5 21.Qg3 Nc4 22.Rg4 Qe7 (worse is 22...Ne5 23.de5 Re8 24.f4–+) 23.Ree4 Be5 (23...Ne5?! 24.de5 Qd7 25.f3–+) 24.de5 Rad8 25.Re1 Qe5! (25...Qe5 26.Qe5 Ne5–+) 0–1. Sakalli,M (2055) – Aysoy,V (1865), ch–TUR Kemer–Antalya TUR, 2011.

6.Bg3 d5 7.e3 Ne4 8.Bd3 Ng3 (8...Bf5 9.Ne2+=) 9.hg3= h6 10.Nd2 Qd6 (10...Rb8 11.Qb3+=) 11.a3 (11.Rb1 0–0=) 11...Be6 12.Qc2 Bf6 (12...0–0–0 13.c4=) 13.Ne2 Ne7 (better is 13...Bg4!?=) 14.e4+/– de4 15.Ne4 (15.Be4?! 0–0–0=) 15...Qd7 (15...Qc6 16.Rb1 0–0–0 17.Bb5+/–) 16.Nf6 (16.Rb1 Bd5+/–) 16...gf6 17.Nf4 (17.Nf4 0–0–0 18.Rb1+=). Szeligowski,Paul – Paulsen,Dirk, Boulder CO., 1992.

6.Bg3 d5 7.e3 Bg4 8.Be2 Bf5 9.Nf3 0–0 10.Nbd2 Re8 11.0–0 =. alaamattar (2100) – wanderingstar (2165), net–chess.com, 2005.

6.Bg3 d5 7.Nf3 0–0 8.e3 Bf5 9.Bd3 Bd3 10.Qd3 Ne4 11.Nbd2 f5 12.0–0 Bd6 13.c4 Ng3 14.hg3 dc4 15.Qc4 Kh8 16.Rfb1 Qe7 17.Qa4 Nd8 18.Nc4 c6 19.Nd6 Qd6+= 20.Qb4 Qb4 21.Rb4 Rc8 22.Rc1 Rc7 23.Ne5 Nf7 24.Nf7 Rff7 25.a4 Rfd7 26.Rc5 Rd5 27.Rbc4 Rcd7 28.f3 Kg8 29.Rd5 cd5 30.Rc3 Kf7 31.Kf2 Ke6 32.Ke2 Kd6 33.Kd3 Rc7=+ 34.Rc7 Kc7 35.Kc3 a5 36.Kd3–/+ b5 37.ab5 Kb6 38.e4 de4 39.fe4 fe4 40.Ke4 Kb5 41.d5 Kb6 42.d6 Kc6–+ 43.Ke5 Kd7 44.Kd5 a4 45.Kc4 Kd6 46.Kb4 Ke5 0–1. Veensma,Torsten (1725) – Sauer,Bernd (1940), Muensterland Verbandsklasse–A, 2002.

6.Bf6 Bf6

7.e3 0–0 8.Bd3 d5 9.Nd2 Ne7 10.Ne2 g6 (10...c5 11.dc5 Bg4 12.Rb1=) 11.Rb1 c5 12.0–0 Qc7 13.Re1 Rd8 14.e4 cd4 15.cd4 de4 16.Ne4 Bg7 17.Qb3 Nd5 (17...Nf5 18.d5=) 18.Ng5 (18.Rec1 Qe7=) 18...h6 19.Bc4 hg5 20.Bd5 Bf5 21.Rbc1 (21.Bb7? Rab8 22.Rec1 Qe7–+) 21...Qd7 22.Bb7 Be6 23.Qf3 Rab8 24.Bc6 Qd6 25.Qe3 Bf6 26.a4 Rb2 27.Red1 Bb3 28.Rd2 Rd2 29.Qd2 g4 30.Qc3 Be6 31.g3 Kg7 32.Kf1 Bd4 33.Nd4 Qd4 34.Qd4 Rd4 35.Ke2 f5 36.Ke3 Rb4 37.Rc5 Kf6 38.Ra5 g5 39.Ra7 f4 40.Kd3 Rb2 41.Ra6 Ke5 42.Ra5 Kd6 43.Be4 Rf2 44.Rg5 f3 45.Bf5 Bf5 46.Rf5 Rh2 47.Rf4 Ra2 ½–½. Stefanov,Plamen (2405) – Parushev,Alexandar Miroslavo (2350), 43. Bulgarian Championship, 2008.

7.e3 0–0 8.Bd3 d5 9.Ne2 Re8 10.0–0 Bg5 11.h3 Qd6 12.Qc2 g6 13.Nd2 b6 14.e4 de4 (14...Bh6 15.Rfe1=) 15.Ne4+= (worse is 15.Be4 Bd2 16.Bc6 Qc6 17.Qd2 Ba6+=) 15...Qe7 16.Ng5 Qg5 17.f4 Qe7 18.Rae1 f5 19.Nc1 (19.Bb5 Qd6+=) 19...Be6 (19...Qe1!? 20.Re1 Re1 21.Kh2 Re7=) 20.Bb5+= Qd6 21.Qa4 Bd7 22.Nd3 Kg7 (22...Rad8 23.Ne5 Ne5 24.fe5 Bb5 25.Qb5= (25.ed6? Ba4 26.dc7 Rc8–+)) 23.Ne5 Ne5 24.fe5 Bb5 25.Qb5 (25.ed6? Ba4 26.dc7 Rac8–+) 25...Qe6 26.g4 (26.Qa6!?+=) 26...fg4= 27.Rf6 Qa2 28.Qd7 Kg8 29.hg4 Qc4 30.Rc6 Re7 31.Qe7 Qc6 32.Rf1 Qc3 33.Qf7 Kh8 34.Qf6 Kg8 ½–½. Stefanov,Plamen (2425) – Mrkvicka,Josef (2480), WCCC32SF02 ICCF, 2008.

7.e3 0–0= 8.Bd3 d5 9.Ne2 Re8= 10.Qc2 g6 11.0–0 Ne7 12.Nd2 Bg7 13.a4 Bf5 14.Rfb1 Rb8 15.Ra2 Bd3 16.Qd3 Nf5 17.Rab2 Nd6 18.c4 dc4 19.Nc4 b6 20.Nd6 Qd6 21.Qc4 a5 22.h3 Rbc8 23.Rc2 c5+= 24.Qa6 Qd7 25.Rbc1 Bf8 26.Nf4 Rcd8 27.Rc4+= Bd6 28.Nd5+/– Kg7? 29.dc5 bc5 30.Nc3 Re6?? 31.Qb5 Qe7 32.Nd5 Qg5 33.Nf4+/– Rf6 34.Qa5 Rd7 35.Qb5 Re7 36.Qb2 Be5 37.Qd2 Rd6 38.Qc2 Rc6 39.Nd3+– Bd6 40.Nc5 Bc5 41.Rc5 Rc5 42.Qc5 Qf6 43.Rd1 Rb7 44.e4 Qb6 45.Qc3 Qf6 46.e5 Qe7 47.Rd6 Rb1 48.Kh2 Rc1 49.Qd4 Rc4 50.Qd5 Ra4 51.Rd7 Ra5 52.Re7 Rd5 53.e6 Rf5 54.Ra7 Rf2+/– 55.ef7 (55.Kg3 Rf1 56.e7=) ½–½. Farleigh,Richard – Ker,Anthony F (2325), Moscow ol (Men), 1994.

7.e3 0–0= 8.Bd3 d5 9.Qh5 g6 10.Qf3 Re8 =+.

7.e3 d5 8.Bd3 0–0 9.Nd2 Be6 10.Qb1+= g6 11.Qb7 Qd7 12.Bb5+/– Rab8 13.Bc6 Rb7 14.Bd7 Bd7 15.Ne2 Rfb8 16.Nf4 c6 17.Nd3 Bf5 18.Ke2 Kf8 19.Rhb1+/– Ke7 20.Rb3 Rb6 21.Nc5 (21.Nc5 Bg4 22.f3+/–) 1–0. Stefanov,Plamen (2185) – Endean,Andrew (1665), IECG, 2004.

7.e3 d5 8.Bd3 0–0 9.Nd2 Re8 10.a4 Ne7 11.Qb1 Ng6 12.Ne2 c5 13.0–0 c4 14.Bc2 Bg4 15.Ng3 Qa5 16.Qb2 (16.Qb7? Rab8 (16...Qc3?! 17.Bg6 fg6 18.Ra2+=) 17.Qc6 Rec8 (17...Qc3?! 18.Bg6 fg6 19.Ra2–/+) 18.Nc4 dc4–+ (18...Rc6 19.Na5 Rc3 20.Bf5+/–)) 16...h5 (16...Ne7 A) 17.Qb7? Reb8 (17...Qc3?! 18.Ra2–/+) 18.Nc4 Qc3–+ (18...Rb7? 19.Na5 Rc7 20.h3 Rc3 21.Bh7 Kh7 22.hg4+–; 18...dc4?! 19.Qe4+=); B) 17.h3 Be6 B1) 18.Qb7? Reb8 (18...Qc3?! 19.Ra2–+) 19.Nc4 Qc3–+ (19...Rb7? 20.Na5 Rb2 21.Rfc1+–; 19...dc4?! 20.Qe4–/+); B2) 18.Nf3=) 17.Rfe1 (17.Qb7? Rab8 (17...Qc3?! 18.Bg6 fg6 19.Ra2=) 18.Qc6 Rec8 19.Nc4 dc4–+ (19...Rc6 20.Na5 Rc3 21.Bg6 fg6 22.Rfc1 Rc1 23.Rc1+=)) 17...h4 18.Ngf1 h3 19.g3 (worse is 19.Qb7 Rab8 20.Qc6 hg2 21.Kg2 Re6–/+) 19...Re6 20.Bg6 fg6 21.f3 Bf5 22.e4 de4 23.fe4 Rae8 24.e5 Bd3 25.Nf3 Bd8 26.N1d2 Rb6 27.Qc1 Qd5 28.Re3? (better is 28.Qa3!?+=) 28...Bg5–+ 29.Qe1 Be3 30.Qe3 Rb2 31.Nh4 Rc2 0–1. Nikitin,Aleksanderi (2010) – Jacek,Krystian (1940), XVIII Int Ches Festival Poland, 2007.

7.e4 0–0 =+.

7.e4 Qe7 8.Qf3 0–0 9.Nd2 d5 10.Ne2 de4 11.Ne4 Bh4 12.g3 f5 13.Nc5 Bg5 14.Rb1 Ne5 15.Qd5 Nf7 16.Nb7 Rb8 17.Bg2 Re8 18.Qc4 =+.

7.Nf3 d5 8.e3 Bg4 9.Be2 Qd6 10.Qb3 Na5 11.Qa4 Nc6 12.h3 Bd7 13.c4?? Nd4!–+ 14.a3 Ba4 15.Nc3 Nc2 (15...Nc2 16.Kf1 Na1 17.Nd5 Bb2–+; 15...Nf3 16.Bf3 Bc3 17.Ke2 Ba1 18.Ra1 dc4 19.Kf1–+) 0–1. Manners – coolerdude, ChessWorld.net, 2005.

7.g3 0–0 8.Bg2 d5 9.Nd2 Re8 10.Qb3 Be6 11.Qb7 Na5 12.Qb4=/+ c5 13.Qc5= Rc8 14.Qa3 Qc7 15.e3 Nc4 16.Qc1 (16.Nc4 Qc4 (worse is 16...dc4 17.Ne2+/–) 17.Qb3 Qc3 18.Qc3 Rc3+=) 16...Bf5 17.Nb3 (17.Ne2!? Bd3 18.Nc4 Be2 19.Nd2+=) 17...Be7 (better is 17...Na3 18.Ne2 Nc2 19.Kf1 Na1 20.Qa1 Qc4–/+) 18.Nc5?? (better is 18.Ne2= and White can hope to survive) 18...Bc5–+ 19.dc5 Ne5 20.Qa3 (20.Kf1 Nd3 21.Qc2 Rb8–+) 20...Nd3 21.Ke2? (21.Kf1 Qe7 22.Nh3 Bh3 23.Bh3–+) 21...Qe7 22.Re1 (22.Nh3 Nf2 (22...Rc5?! 23.Nf4 d4 24.Nd3 Bd3 25.Kd3 Rc3 26.Qc3 dc3 27.Ke2–+) 23.Nf2 Bd3 24.Nd3 Qe3 25.Kf1 Qd3 26.Kg1 Qe3 27.Kf1 Re6–+) 22...Ne1 23.Ke1 Be4 24.Nf3 (24.Kf1 Qc5 25.Qc5 Rc5 26.Be4 de4–+) 24...Rc5 25.Ke2 d4–+ 0–1. Gorges,Reinhard – Vogt,Lothar, DDR–ch U18 Glauchau, 1967.

5.d4 d5

6.Nd2 c5 7.e3 Nc6 8.Ngf3 Ne5 9.Ne5 0–0=+ 10.Be2 Bd6 11.Ndf3 c4 12.0–0 Ne4 13.Qc2 Qe7 14.Bc4 dc4 15.Qe4 f6 16.Ng5? fg5–+ 17.f4 Bf5 18.Qd5 Be6 19.Qe4 Rae8 20.Rf3 gf4 21.ef4 Be5 22.de5 Qc5 23.Kh1 Bd5 24.Qe2 Bf3 25.Qf3 Re5! 26.Qb7 Rf4 27.Qb8 Rf8 28.Qb7 Qf2 29.Qb1 Rfe8 (29...Rfe8 30.h3 Re1 31.Qe1 Re1 32.Re1 Qe1 33.Kh2 Qe5 34.Kg1 Qc3–+) 0–1. katchum (1780) – helicon (2130), net–chess.com, 2001.

6.Nd2 Nbd7 7.Ngf3 c6 8.g3 Ne5 9.Ne5 Bd6 10.Ndf3 Ne4 11.Qc2 0–0 12.Bg2 Qa5 13.0–0 Qc3 14.Qc3 Nc3 15.e3 f6 16.Nd3 b6 17.Nc1 Ba6 18.Re1 Bb4 19.Kh1? Ne4–+ 20.Re2 Be2 (20...Be2 21.Ne2 Nf2 22.Kg1 Ng4–+) 0–1. gtate (1945) – bschardein (2360), net–chess.com, 2005.

6.Nd2 Bf5 7.Bf6 gf6 (better is 7...Bf6!? 8.e3 0–0+=) 8.e4 de4 9.Qb3 Qc8 10.Bc4 0–0 11.d5 (better is 11.Bd5 Nc6 12.Ne2+= (worse is 12.Ne4 Na5 13.Qa4 c6+=)) 11...Nd7–/+ 12.d6? (better is 12.Ne2–/+) 12...Bd6–+ 13.0–0–0 Nc5 14.Qc2? (14.Qb2–+) 14...e3! 15.Bd3 (15.fe3 Bc2 Discovered attack) 15...Nd3 16.Qd3 Bd3 17.fe3 Ba3 0–1. interloper – RWO, chessworld.net, 2012.

6.e3 Bf5 7.Bd3 Bd3 8.Qd3 0–0 9.Nd2 Nc6 10.Bg3 Na5 11.Ngf3 c5 12.0–0 Rc8 13.Rfc1 Qd7 14.Bh4 Rfd8 15.Ne5 Qe6 16.Qb5 b6 17.Nb3 (17.Ndf3 Qf5=) 17...Nc4+= 18.Nc4 dc4 19.Nd2 cd4 20.ed4 Ba3 (better is 20...Rd5!? 21.Qa6 Ra5+=) 21.Re1+= Qd5 22.Qd5 Rd5 23.Bf6 gf6 24.Ne4 Rc6 25.Re3 b5 26.Rb1 a5 27.Nd2 b4 28.Nf3 Re6 29.Kf1 Rb5 (29...Re3 30.fe3 f5 31.Ke2+=) 30.cb4 (30.Nd2 Re3 31.fe3 bc3 32.Rb5 c2=) 30...Re3 (30...Rb4 31.Rd1 Re3 32.fe3=) 31.fe3 ab4 32.Ke2 Rb8 33.Ne1 c3 (33...b3!?+=) 34.Kd3 Kg7 35.Nc2 Bb2 36.Kc4 f5 37.Rf1 (37.Nb4 Rb4 38.Kb4 c2+=) 37...Kg6 38.Rf3 Ra8 39.Kb3 (39.Nb4 h6+/–) 39...Rb8 40.Rg3 Kf6 41.Rf3 (better is 41.Rh3+/–) ½–½. Coakley,J – O'Donnell,Tom, Toronto CAN, 1988.

6.e3 Bf5 7.Bd3= Bd3 8.Qd3 Nbd7 9.Nd2 c5 10.Rb1 b6 (worse is 10...Ne5 11.de5 Ng4 12.Ngf3+/–) 11.Ne2 c4 12.Qc2 a6 13.0–0 b5 14.Bf6 (14.Nf4 0–0+=) 14...Nf6+= 15.a4 Rb8 16.ab5 ab5 17.e4 0–0 18.e5 Ne8 19.Nf3 f6 20.Qd2 fe5 21.Ne5 Bd6? (better is 21...Qd6+=) 22.Nc6+– Bh2? (better is 22...Qc8 23.Nb8 Qb8+–) 23.Kh2 Qd6 24.Ne5 Nf6 25.Ng3 h5 26.Qg5 Ng4 27.Ng4 hg4 28.Rb4 Rf6 29.Kg1 Rf2 30.Kf2 Rf8 31.Kg1 Qg3 32.Qd5 Kh7 33.Qe4 (33.Qe4 Kg8 34.Qe6 Rf7 35.Qf7 Kh7 36.Qh5 Kg8 37.Qe8 Kh7 38.Rb5 Qh4 39.Rf8 Qh2 40.Kh2 g3 41.Kg3 g6 42.Qe7 Kh6 43.Rh8#) 1–0. Schlaeger,Michael (2270) – Stegmann,Martin (1700), remoteschach.de, 2007.

6.Nf3 0–0 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.c3 Be7 7.d4).

6.Nf3 Nbd7 7.Bf6 Nf6 8.e3 0–0 9.Bd3 c5 10.0–0 c4 11.Bc2 Qa5 12.Qd2 Ne4 13.Be4 de4 14.Ne5 Be6 15.h3 f6 16.Ng4 Bd6 17.f4 ef3 18.gf3 f5 19.Nf2 Rae8 20.Re1 Bd5 21.f4? Qd8 22.Qe2 Qh4 23.Qf1 (23.Kf1–+) 0–1. colinwebb – marekt, ChessWorld.net, 2004.

6.Bf6 Bf6 7.e3 0–0 8.Bd3 c5 9.Nd2 Nc6=+ 10.Ne2 Bg4 11.0–0 Re8 12.dc5 Ne5 13.Bb5 Re7 14.Nb3 Qc7 15.h3 Bh5 16.Qc1 Bg6 17.Nf4+= Rd8 18.Qd1 a6 19.Ng6 Ng6 20.Bd3 Nf8 21.Qf3 Bc3= 22.Rac1 Be5 23.Rfd1 Ne6 24.Qg4 g6 25.Qh4 Rde8 26.Bf1 Rd7 27.Qa4 Qc6 28.Qb4 Qc7 29.Rd3 Ra8 30.a4 Rad8 31.g3 d4 32.e4 g5 33.Be2 Qc6+= 34.Bf3 Re8 35.Na5 Qc7 36.Bg4 Rde7 37.c6 Nd8 38.Qd2 Nc6 39.Qg5 Bg7+= 40.Nc6 bc6 41.Bf5 Qb6 42.a5 Qb2 43.Rdd1+/– (43.Rdd1 h6 44.Qg4+=) 1–0. Baumann,Heinz – Schulz,Hans_Juergen, TT–17.16 ETC, 2005.

6.Bf6 Bf6 7.e3 c5 8.Bb5 Nc6=+ 9.Ne2 Qb6 10.Bc6 Qc6 11.Nf4 0–0 12.Nd2 Bg5 13.Qf3 cd4 14.cd4= Bf4 15.Qf4 Qc2 16.Qf3 Qc3 17.Qd1 Bg4 18.Rc1 Qa3 19.Nb1 Qa5 20.Qd2 Qa6 21.f3 Bf5 22.Kf2 Qd6 23.Nc3= Rac8 24.Rhd1 Rc6 25.Kg1= Rfc8 26.Nb5 Qd7 27.Rc6 Rc6 28.Nc3 ½–½. Luzuriaga,Norberto Horacio – Krueger,H, 1993.

6.Bf6 Bf6 7.e3 c5 8.dc5 Nc6 9.Ne2 0–0 10.Nd4 Qe7 =.

6.Bf6 Bf6–/+ 7.e3 c5 8.Bd3 0–0= 9.Nd2 c4 10.Bc2=+ Qa5 11.Ne2 Bg4+= 12.0–0 Re8 13.f3= Bd7 14.e4 Bc6 15.e5 Be7 16.f4 Nd7 17.Qe1 Qa3 18.Qg3 b5 19.Nf3 Nf8 20.Nh4 Bh4 21.Qh4 b4 22.Rfc1 Rab8 23.f5=+ a5 24.f6+= g6 25.Qh6 Ne6+/– 26.Bg6?? hg6=+ 27.Nf4 Rb7 28.Nh3 (28.Nh3 Qc3 29.Rc3 bc3 30.Ng5 Rb1 31.Rb1 Re7 32.Qh7 Kf8 33.Qh8#) 1–0. Baumann,Heinz – Vetter,Udo, TT–16 ETC, 2005.

6.e3 0–0

7.Bd3 c5 8.dc5 Nbd7=+ 9.Bd6 Bd6 10.cd6 Ne5 11.Be2 Qd6 12.Nf3 Bf5 13.0–0 Rac8 14.Qd4 Nc6 15.Qa4 Ne4 16.Rd1 Rfd8 17.Nd4 Bg6 18.Bg4 Qf6 19.Rf1 Rc7 20.Qa3 Nd4 21.cd4=+ Qg5 22.Bf3 Rc2 23.Be4? Be4–+ (23...Be4 24.g3 Qf6–+; 23...de4?! 24.Qa7 Bh5 25.h4=) 0–1. algernon (2325) – jeronimo (2000), net–chess.com, 2006.

7.Bd3 Bd6 8.Nf3 Ne4 9.Qc2 f5 10.Nbd2 c5 11.c4 (< 11.Be4 fe4 (< 11...de4 12.Qb3 Rf7 13.Bd6 ef3 14.dc5=) 12.Bd6 Qd6=+; < 11.Ne4 fe4 (< 11...de4 12.Bc4 Kh8 13.Bd6 Qd6 14.Ne5+=) 12.Be4 de4 13.Qe4 Be5 14.Ne5 cd4 15.ed4 Be6–/+) 11...cd4 12.Bd4 (12.Ne4? fe4 (12...de4 13.c5 Qa5 14.Kd1 Be5 15.Bc4 Kh8 16.Ne5–/+) 13.Bd6 Qd6 14.cd5 ed3 15.Qd3 de3 16.fe3 Bf5–+; < 12.Be4 de4 13.Bd6 d3–/+ (13...Qd6?! 14.Nd4 Nc6 15.c5=)) 12...Bb4 13.cd5 Nd2 14.Nd2 Bd2 15.Qd2 Qd5 16.0–0 Be6 17.Rfc1 Kh8? 18.Bc4 Qd7+/– 19.Bg7?? Kg7–/+ 20.Qb2 Kg8 21.Be6 Qe6 22.Qb7 Nd7 23.Rc7 Nf6 24.Rg7 Kh8 25.Rg5 Qf7 26.Qb5 Ne4 27.Qe5 Qf6 28.Rf5 Qe5 29.Re5 Nf2 30.Rf1 Ng4 31.Rf8 Rf8 32.Re7 a5 33.h3–/+ Nh6 34.a4 Rf5 35.g4 Rc5 36.Re4 Nf7 37.h4 Nd6 38.Rd4 ½–½. Becker,Andreas – Lichtner,Ralph, Baden–ch AT2, 2003.

7.Bd3 Nbd7 8.Bf4 c5 9.Nf3 Qa5 10.0–0 c4 11.Bc2 Ne4 12.Nfd2 f5 13.Ne4 fe4 14.f3 ef3 15.Qf3= Nf6 16.e4 de4 17.Be4 Bg4 18.Qe3 Ne4 19.Qe4 Bg5 20.Be5 Rf1 21.Kf1 Rf8 22.Kg1 Bf5–+ (22...Bf5 23.Qb7 Be3 24.Kh1 Qe5 25.de5 Be4–+) 0–1. Blankenberg,Bruno – Woelfelschneider,Peter, corr, 2000.

7.Bf6 Bf6 8.Bd3 c5 9.Ne2 Nc6 10.dc5 Qe7 11.Nf4 Be6 12.Qh5 g6 13.Qd1 Qc5 14.Qc2 Rac8 15.a3 Be5 16.0–0 Qd6 17.Qa4 Rfe8 18.Rd1 Bg4 19.Rd2? Bf4 –+.

7.Bf6 Bf6 8.Bd3 c5 9.Ne2 Nc6 10.Nd2 cd4 11.cd4= Qe7 12.0–0 Nb4 13.Bb1 Bg4 14.a3 Nc6 15.Qc2 g6 16.Nc3 Rfd8 17.Qb3 Be6 18.Rc1 Rac8 19.Bd3 Rd7 20.Rc2 Qd8 21.Qb2 Qf8 22.Nb3 Be7 23.h3 Nb8 24.Ne2 Rc2 25.Qc2 Nc6 26.Nf4 Rc7 27.Ne6 fe6 28.Bg6 hg6 29.Qg6 Qg7 30.Qe6 Qf7 31.Qg4 Kh7 32.Nc5 Bc5 33.Qh4 Kg7 34.dc5= Qf6 35.Qg3 Kh6 36.Rb1 Rd7 37.Qg8 d4 38.Rd1 Rd8 39.Qb3 =. michaelbuss – k9my, ChessWorld.net, 2003.

6.e3 Nbd7

7.Bb5 c6 8.Bd3 Ne5–/+ 9.de5 Ng4 10.Be2 Ne5–+ 11.Nf3 Nf3 12.Bf3 0–0 13.0–0 Bd6 14.Nd2 Be5 15.e4 Qd6 16.ed5 Bh2 17.Kh1 Bf4 18.Ne4 Qh6 (18...Qh6 19.Bh5 cd5–+) 0–1. Manners – Alissa, ChessWorld.net, 2005.

7.Bd3 Ne5 8.de5 Ng4 9.Nf3 Bh4 10.0–0 Be7 11.h3 Nh6 12.c4 dc4 13.Qa4 Qd7 14.Qc4 c6 15.Qc2 Qe6 16.Nbd2 Nf5 17.Rfd1 Rb8 18.Rac1 Ba3 19.Nc4+/– Bc1?? 20.Bf5 +–.

7.Nf3 Ne5 8.Ne5 Bd6 9.Nd2 0–0 10.Bd3 (10.Ndf3 c5+=) 10...Be5 (10...c5 11.Ndf3+=) 11.de5 Ng4 12.h3 Qh4 13.Qf3 (13.g3 Qh6 14.Nf3 Re8=) 13...Ne5 14.Qd5 Nd3 15.Qd3 Rd8 16.Qc2 Qg5 17.g4 (17.Qe4 Rb8+=) 17...Qh6 (17...Be6 18.0–0–0–/+) 18.0–0–0 a5 (18...b5 19.Kb1–/+) 19.Nb3+= Bd7 20.Nd4 (20.Rd2 a4 21.Nd4 Bg4+=) 20...b5 21.Nf5 (21.Rd2 c5 22.Nf5 Bf5 23.Rd8 Rd8 24.gf5 Qh5–/+) 21...Qf6–/+ 22.Rd5 (22.Rd3 Bf5 23.Rd8 Rd8 24.gf5 h6–/+) 22...Bc6 (22...Bf5 23.Rf5 Qc6 24.Re1–/+) 23.Rd8 Rd8 24.Rd1 Rd1 25.Kd1 Bg2 26.h4 (26.Nd4 c6+=) 26...Bf3–/+ 27.Kd2? (better is 27.Ke1 Bg4 28.Nd4–/+) 27...Bg4–+ 28.Qe4 h5 (28...h5 29.Nd4 Qf2 30.Kc1 c5 (30...Qh4?! 31.Qe8 Kh7 32.Qb5–+; 30...Qa2?! 31.Qe8 Kh7 32.Qb5–+) 31.Qe8 Kh7–+) 0–1. Cool,Benoit – Di Marino,Maurizio, corr ICCF WT/H02, 2000.

7.Bf4 0–0 8.Bd3 c5 9.Nd2 c4 (9...Re8 10.Ngf3 c4 11.Bf5 Nh5 12.Bg3 Ndf6) 10.Be2 (10.Bc2 Qa5+=) 10...Qa5–/+ 11.Qc2 Nb6 12.Bf3 g6 13.Nb1? (better is 13.Ne2!?–/+) 13...Bf5–+ 14.Qc1 Be4 (14...Bd3!? 15.Ne2–+) 15.Be4–/+ de4 (15...Ne4 16.Ne2–/+) 16.Ne2 Nfd5 17.0–0 f5 18.Qc2 Rac8 19.Be5 Nd7 (19...Na4 20.Rc1–/+) 20.Bg3 (20.Nd2 Ne5 21.de5 Ba3–/+) 20...b5–/+ 21.Nf4 N7b6 22.Ne2 a6 23.Nf4 Rfd8 24.Nd5 Nd5 25.Rc1 Bf8 26.a3+= Bg7 27.Nd2 Nb6 28.f3 Bh6 29.fe4 Be3 30.Kh1 fe4 31.Qe4= Re8 32.Qb7 Bd2 33.Rf1 Qc3 34.Qf7 Kh8 35.Qf6 Kg8 36.Qf7 Kh8 37.Qf6 Kg8 38.Qf7 ½–½. yulio (1910) – vulpecula (2100), gameknot.com, 2014.

7.Bf6 gf6 8.Nf3 +=.

7.Bf6 Nf6 8.Bd3 0–0 9.Nd2 c5 10.Ne2 c4 11.Bc2 Bd6 12.0–0 Qc7 13.h3 Re8 14.Qb1 b6 15.a4 Bd7 16.e4 Bh2 17.Kh1 Bf4 18.Nf4 Qf4 19.e5 (19.Qc1 Ne4 20.Be4 de4 (worse is 20...Re4 21.Ne4 Qe4 22.Re1+/–) 21.Nc4 Qc7+=) 19...Qd2–/+ 20.ef6 g6 21.Qc1 Qc1 (21...Qc3?? 22.Qh6 Qh3 23.gh3 Bh3 24.Qg7) 22.Rfc1 Re6 23.Bd1 Rf6 24.Bf3 Rd6 25.a5 b5 26.g4 Rb8 27.Rab1 Be6 28.Rb4 Ra6 29.Ra1 h6 30.Kg2 Kf8 31.Kg3 Ke8 32.Rb2 Ke7 33.h4 f6 34.h5 g5 35.Bg2 Kd6 36.f4 gf4 37.Kf4 Bd7 ½–½. Stefanov,Plamen (2185) – Baroin,Bernard (2015), IECG, 2004.

7.Bg3 0–0 8.Bd3 c5 9.Ne2 Re8 10.0–0 a6 11.a4 b6 12.Nd2 Bb7 13.Rb1 Rc8 14.Nf4 g5 15.Nh5+= cd4 16.cd4 Ne4 17.Be4 de4 18.Qg4 Bc6 19.Ne4 Ba4 20.Bd6 h6 21.Rbc1 Rc6 22.d5 Rc1 23.Rc1 Bb5 24.Qf5 Bd3 25.Be7 Be4 26.Qe4 Re7 27.Qf5 Qb8 28.f4 Qe8+/– 29.fg5 Re3 30.Kf1 Re7 31.gh6 f6 32.d6 Rf7 33.Re1 (33.Re1 Qf8 34.Qg6 Kh8 35.Qg7 Qg7 36.hg7 (36.Ng7?! Ne5+–) 36...Rg7 37.Ng7+–) 1–0. Roldan,Antonio – Fantoni,Franco, IECG, 1998.

7.Bg3 0–0 8.Nf3 c5 9.Bd3 c4 10.Bc2 Qb6 11.Qc1 Ne4 12.Bf4 f5 13.0–0 g5 14.Be4 fe4 15.Ng5 Qg6 16.Nh3 Nf6 17.Kh1 Bh3 18.gh3 Kh8 19.Nd2 Nh5 20.Be5 Bf6 21.Rg1 Qf5 22.Bf6 Rf6 23.Rg2 Qh3 24.Qa3 Qe6 25.Rag1 b6 26.Qc1 Rf5 27.Qd1 Nf6 28.Qe2 Rf8 29.Rg7 Rg8 30.Rg8 Ng8 31.Rg3 Nf6 32.Rg2 b5 33.Nf1 a6 34.Qc2 Qe7 35.Nd2 a5 36.Nf1 Rh5 37.Kg1 Rh6 38.Ng3 Rg6 39.Qb2 b4 40.Ne2 Rg2 41.Kg2 Qg7 42.Ng3 h5 43.h4 Qb7 0–1. michaelbuss (2625) – Ceri (2490), ChessWorld.net, 2003.

7.Bg3 Ne4 8.Bd3 Ndf6 9.Qc2 c5 10.Nd2 Nd2 11.Qd2 c4 12.Bc2 Ne4 13.Be4 de4 14.d5 Bf6 15.Rb1 h5 16.h3 h4–/+ 17.Bh2 Rh5 18.d6 Qd7 19.Ne2 Rg5 20.Qc2 Qc6 21.Rg1 Kf8 22.Bf4 Rd5 23.Nd4 Bd4 24.ed4 Bf5=+ 25.Qe2 Kg8 26.g3 Re8 27.Rb4 Rb5 28.gh4 Rb4 29.cb4 Qb6 30.Qb2 a5 31.b5 c3 32.Qc3 Qb5 33.Qb3 Qd7 34.Qd5 Qc8 35.Bd2 Qd7 36.h5 Kh7 37.Qa5+= b5 38.Qa3 f6 39.Rg3 Be6+= 40.h6 g6 41.h4 Bc4 42.Bf4 Rd8 43.Qa5 Rc8 44.Ra3 Bd5 45.Qb6 Kh8 46.Be3 Qg4 47.Rc3?? Bc4?? 48.Rc2+/– Qd7 49.d5 Kh7 50.a4 ba4= 51.Qd4 (51.Qd4 Bb5 52.Rc8 Qc8 53.Qf6+–) 1–0. Baer,Werner – Conde,Jose A, T15–08 ETC, 2003.

7.Bg3 Ne4 8.Bd3 Ndf6 9.Nd2 Nc3–/+ 10.Qc2 Nfe4 11.Be4 Ne4 12.Bc7 Qd7 13.Ne4 de4–/+ 14.f3 b5?? 15.Qe4+/– Qc7 16.Qa8 0–0 17.Qe4 Qc3 18.Kf2 Qa1 19.Qe7 Qa2 20.Ne2 Be6 21.Re1 a5 22.e4 Bc4 23.d5 h6 24.d6 a4 25.e5 Qb2 26.h3 Qb4 27.Qa7 a3 28.Qd4 a2 29.Ra1 Qb1 30.Nc1 Qc2 31.Kg1=+ Rc8 32.Kh2–/+ Be6 33.Na2? Ba2 34.Qb6 Be6 35.Qb5 Qf5 36.Kh1 Rc2 37.Qb8 Kh7 38.Qb1 h5 39.Qd1 Rb2 40.Qd4 Re2 41.Rd1 Bd7 42.Qc3 Re5 43.Qc4 Kg8 44.Qc7 Re2 45.Qb8 Kh7 46.Qb1 Qb1 47.Rb1 Rd2 48.Rb6 Kg6 (48...Kg6 49.Kh2 Kf5–+) 0–1. Baer,Werner – Conde,Jose A, TT07 TSC, 2003.

7.Bg3 Ne4 8.Bd3 Ng3 9.hg3= Nf6 10.Nd2 Bd6 11.Ngf3 Bg4 12.Qb3+= Qe7 13.Qb7 0–0 14.Qb2 Rae8 15.Qc2 g6 16.Nf1 Kg7 17.N3d2 Nh5 18.Be2 f5 19.Nf3 f4 20.gf4+/– Bf4 21.Qd2 Bd6+= 22.N1h2 Bd7 23.a4 Nf6 24.Bd3 Ne4= 25.Be4 de4 26.Ne5 Be5 27.de5 Rd8 28.Qd5 Bf5= 29.Qc6 Qe5=+ 30.Rb1 Rf6 (30...Rf6 31.Qc4 Be6–/+) 0–1. Dubleumortier,Alain (2075) – Teyssier,Alain (2125), corr Aquitaine–ch, 1999.

5.d4 d6

6.Bf4 0–0 7.Nf3 Nc6 8.Nbd2 Re8 9.e4 Bg4 10.Be2. wlittle (2175) – pilarchess (2000), net–chess.com, 2004.

6.Bg3 b6 7.Nf3 0–0 8.e3 Bb7 9.Bd3 c5 10.Nbd2 cd4 11.cd4 Nc6 12.h4 Nb4= 13.Bb1 Nfd5 14.Ng5 h6 15.a3 Nc3 16.Qb3 Nb1 17.Qb1 hg5 18.hg5 g6 19.Qb4 Bg2 20.Rh2 Bb7 21.d5 Bg5 22.Ne4 Bf6 23.Rd1 Bg7 24.Nd6 Ba6 25.f3 Qf6 26.Kf2 Qc3? 27.Qc3+– Bc3 28.e4 Bg7 29.e5 Bc8 30.Re1 Bd7 31.Bh4 a5 32.Bf6 Bf6 33.ef6 Rfc8 34.Nc8 Rc8 35.Kg3 b5 (35...Rc5 36.Reh1 Bh3 37.Rh3 Rd5 38.Rh8) 1–0. Blankenberg,Bruno (1960) – Meisinger,Peter (1710), DESC, 2000.

6.Bg3 Nc6 7.Qb3 Ne4 8.Nf3 0–0 9.d5 Nc5 10.Qa3 Ne5 11.Ne5 de5 12.c4 f6 13.Qf3 Qd7 14.Nc3 Qf5 15.Nb5 Na6 16.a3 Qc2 17.Qc3 Qa4 18.e3 c6 19.d6 Bd8 –+.

6.Bg3 Nc6 7.e3 Bf5 8.Bd3 Qd7 9.Ne2 Ne4 10.0–0 Ng3 11.Ng3 Bd3 12.Qd3 0–0–0 13.Nd2+= h5 14.Rab1 g6 15.Qb5 b6 16.Nc4 Nb8 17.Qd5 Nc6 18.Rb3 h4 19.Ne4 h3= 20.Ra3?? hg2–+ 21.Ned6 Bd6 22.Nd6 Qd6 23.Qd6 gf1Q (23...gf1Q 24.Kf1 Rd6–+) 0–1. Wall,Bill – Katsampes,Tom, San Antonio, TX USA, 1994.

6.Bg3 Nc6 7.e4 Ne4 8.Bd3 Nf6 9.Ne2 0–0 10.0–0 Bg4 11.h3 Bh5 12.Nd2 d5 13.Re1 Bd6 14.Qc2 Bg6 15.Nf4 Bd3–/+ 16.Qd3 Qd7 17.c4 Nb4 18.Qb3 dc4 19.Nc4=+ Bf4 20.Bf4 Nbd5 21.Ne5 Qc8 22.Bg3 a5 23.a4 Ra6 24.Nc4 Rd8 25.Rad1 Nb4 26.Re7 Nfd5–/+ 27.Ne5 Ne7 28.Qf7 Kh8 29.Qe7 Rf8 30.Nd7 Nd5 (30...Nd5 31.Qf8 Qf8 32.Nf8 Kg8+–) 0–1. gtate (1945) – fingelaere (2250), net–chess.com, 2005.

6.Bg3 Ne4 7.Nf3 Ng3 8.hg3= Bf5 9.Nbd2 Nd7 10.e4 Bg4 11.Qb3 b6 12.Bd3 c5 13.e5 de5 14.de5 h6 15.0–0 0–0 16.Rae1 Re8 17.Nh2 Be6=+ 18.Qc2 Qc7 19.f4 Rad8 20.c4 Nb8 21.f5 Bc8 22.g4? Nc6 23.Nhf3?? Nb4–+ 24.Qb1 Nd3 25.Re3 Nb4 26.Ne4 Bb7 27.f6 Bf8 28.fg7 Bg7 29.Neg5 hg5 30.Ng5 Re7 31.Qh7 Kf8 32.e6 f6 33.Qg6= Rd2?? 34.Nh7 Kg8 35.Nf6 (35.Nf6 Kf8 36.Nd7 Kg8 37.Rf8) 1–0. Marcos_Yunge (1750) – lady penelope (1720), internet, 2007.

6.Bg3 Nh5 7.e3 Ng3 8.hg3 0–0 9.Bd3 h6 10.f4 d5 11.Nf3 c5 12.Ne5 Nd7 13.Ng4 Nf6 14.Nf6 Bf6 15.g4 Qe7 16.g5?? Qe3–+ 17.Qe2 Qg3 18.Qf2 Qd3 19.Qe2 Qg3 20.Qf2 Re8 21.Kf1 Qd3 22.Kg1 hg5 (22...hg5 23.Qd2 Qg3–+) 0–1. katchum (1690) – johnrussell (2160), net–chess.com, 2001.

6.Bf6 Bf6

7.e3 0–0 8.Bd3 c5 9.Nd2 d5 10.Ngf3 c4 11.Bb1 Be7 12.0–0 f5 13.Ne5 Qd6 14.f3 Nd7 15.Nd7 Bd7 16.e4 (Better is 16.a4!?–/+) 16...Qa3–+ 17.Qc2 Ba4 18.Qc1 Qc1 19.Rc1 Bg5 20.Bc2 Bd2 21.Ba4 Be3 (21...de4?! 22.Rc2 e3 23.Bb5=+) 22.Kh1 Bc1 (22...de4?! 23.Rc2 ef3 24.Bb5–/+) 23.Rc1 fe4 24.fe4 de4 25.h3 a6 26.Bc2 Rae8 27.Rb1 Rf2 28.Bd1 Rf1 29.Kh2 e3 (30.h4 b5–+) 0–1. ArmandoS (2090) – orane (2210), Live Game Caissa's Web, 2004.

7.e3 0–0 8.Nf3 Bg4 9.Be2 Re8 10.0–0 Qe7 11.h3 Be6 12.Nbd2 d5 13.Qb3 c6 14.Rfb1 b6 15.Bd3 c5 16.Qc2 g6 17.Ne5 c4 18.Be2 Be5–/+ 19.de5 Nd7 20.f4 Bf5 21.e4=+ de4 22.Nc4 Qc5–/+ 23.Kf1 e3 24.Qc1 Bb1 25.Rb1 f6 26.Nd6 fe5 27.Ne8–/+ Re8 28.g3? ef4–+ 29.gf4 Qf5 30.Bc4 Kg7 31.Bb5 Qf4 32.Ke2 Qf2 33.Kd3 Ne5 34.Ke4 Qf3 (34...Qf3 35.Kd4 Rd8 36.Bd7 Rd7 37.Ke5 Qf5) 0–1. Kellerer,Horst – Mrkvicka,Josef, CiF, 1984.

7.e4 Nc6 8.Nd2 d5 9.e5 Be7 10.Bd3 0–0 11.Qc2 g6 12.h4 Bh4=+ 13.Ndf3 Be7 14.Ne2 Re8 15.Nf4 Bf8 16.Kf1 a5 17.Re1 b6 18.e6 Re6 19.Ne6+= Be6 20.Bg6 hg6 21.Re6 Nd4 22.cd4 fe6 23.Qg6 Bg7 24.Ng5 Qf6 25.Rh8!! (25.Rh8 Kh8 26.Qh7#) 1–0. De Bortoli,Peter (2195) – Damia,Angelo, ITA–ch U20 Paderno del Grappa, 2000.

7.e4 g6 8.Bc4 0–0 9.Nf3 Bg4 10.0–0 Nd7 11.h3 Be6 12.Qb3 Bc4+= 13.Qc4 Kg7 14.Nbd2 c6 15.a4 Qe7 16.Rfb1 b6 17.Qd3 c5 18.a5 cd4 19.cd4 Nc5 20.dc5+/– dc5 1–0. philtil – tanto (1740), net–chess.com, 2003.

7.Nf3 0–0 8.e4 Nc6 9.Bd3= Re8 10.0–0 a6 11.Nbd2 g6 12.Re1 Rb8 13.Rb1 Bd7 14.Re3 b5 15.Qe2 Qe7 16.Nf1 Bg7 17.h3 Bh6–/+ 18.g4 Nd8 19.d5 Be3–+ 20.Ne3 Nb7 21.Rb4 Nc5 22.Bc2 Qf6 0–1. Evstahij – marekt, ChessWorld.net, 2003.

7.Nf3 0–0 8.e4 Bg4 9.Be2 Re8 10.Nbd2 Nd7 11.0–0 c5 12.a4 Bf3=+ 13.Bf3 cd4 14.cd4 Bd4 15.Rb1 Rb8 16.Nc4 Be5 17.Nd6=+ Bd6 18.Qd6= Nb6 19.Qb4+= Qe7 20.Rfd1 Qb4 21.Rb4 Rec8 22.e5 Rc4 23.Rc4 Nc4 24.Bb7 Ne5 25.Rc1 Nd3 (25...g5 26.Rc7=) ½–½. Duffy – hal1958, playchess.de, 2002.

7.e4 0–0

8.Na3 Re8 9.Bd3 c5 10.Qc2 cd4 11.Ne2 dc3 12.Nb5 Bg4 13.f3 Bh4 14.Ng3 Be6 15.e5 de5 16.Bh7 Kh8 17.Nc3 Nc6 18.Qe4? Nd4 19.0–0 Bg3 20.hg3 Rc8 21.Rac1 f5 (22.Qe3 Kh7–+) 0–1. negda – marekt, ChessWorld.net, 2004.

8.Bc4 Be6 9.Be6 fe6 =.

8.Bc4 Re8 9.f3 d5–+ 10.Bd3 de4 11.fe4 Bd4! 12.cd4 Qd4 13.Na3 Qc3 14.Kf2 Qa3 15.Nf3 Rd8 16.Ne1 Qb2 (16...Qb2 17.Kf1 Qf6 18.Kg1 Nc6–+) 0–1. Clyde Barrow (1700) – jnunes (1780), internet, 2007.

8.Nd2 c5 9.Ngf3 =+.

8.Nd2 c6 9.Bd3 b5 10.Ne2 Qb6 11.Qc2 h6 12.0–0 Re8 13.a4 a6 14.ab5 cb5 15.Rfb1 Bb7 16.Nc4 Qc7= 17.Na5 (17.Na5 Bc6 18.c4+=). Nebe,Lutz – Drefke,A, corr SOK–89–31, 1989.

8.Nd2 Nc6 9.Bd3 Bg5 10.Ne2 Qf6 11.0–0 Bg4 12.f4 Bf4=+ 13.g3? Be3–+ 14.Kh1 Qh6 15.Nf3 Bh3 16.Qc2 Bf1 17.Rf1 Rae8 18.Nh4 Bg5 19.Nf5 Qh3 20.Nf4 Bf4 21.Rf4 g5 22.Bf1 Qh5–+ 23.g4 Qg6 24.Rf3 Ne7 25.Bd3 Nf5 26.Rf5 Re7 27.Qc1 h6 28.Qf1 Qg7 29.h4 gh4 30.Qf4 Re6 31.Rh5 Rf6 (31...Rf6 32.Rf5 Rf5 33.gf5 Qg5–+) 0–1. Echtwelzo – marekt, ChessWorld.net, 2003.

8.Nd2 Re8 9.Bd3 Nc6 (9...c5 10.Ne2+=) 10.Ne2 Bd7 11.0–0 Ne7 12.Qb3 b6 (12...b5 13.Rfb1 (worse is 13.Bb5 Rb8–+) 13...Rb8 14.Qc2=) 13.f4 c5 (13...Be6 14.Qc2 g6 15.Rae1+=) 14.Qc2 (14.e5 de5 15.fe5 Be6+/–) 14...h6 (14...cd4!? 15.Nc4 Bb5=) 15.e5+= de5 16.fe5 Bg5 17.Ne4 Be3 18.Kh1 Nd5 (better is 18...Be6 19.Nd6 Rf8+/–) 19.Rf3?? (19.Nd6 Be6+–) 19...cd4?? (19...Bg4 20.Rg3 Be2 21.Qe2 cd4 22.c4+=) 20.Raf1?? (20.Nd6 Re7 21.Qb3 Re5 22.Nf7+–) 20...Re5–/+ 21.Rf7 Be6 22.Rf8? Qf8–+ 23.Rf8 Rf8 24.N4g3?! Rf2 25.Ne4?? Rf1 (25...Rf1 26.Ng1 Rg1#) 0–1. Baer,Cy (1895) – Roos,Bernhard (1825), RSS7E easy–50, 2007.

8.Bd3 Nc6 9.Nf3 Bg4 10.0–0 (10.Nbd2 Rb8=) 10...Re8 (10...Nd4 11.cd4 Bd4 12.Nbd2 Ba1 13.Qa1=) 11.Nbd2 a6 (11...Bg5 12.Qc2=) 12.Qb3 b5 (12...b6 13.Rfe1=) 13.Rfe1 (13.a4 Na5 14.Qc2 c6=) 13...Na5 (13...Qe7 14.Rab1=) 14.Qc2 g6 (14...h6 15.h3 Be6 16.a4=) 15.h3 (15.a4 c6+=) 15...Bc8 (15...Bf3 16.Nf3 (worse is 16.gf3 c5–/+) 16...c5 17.a4+=) 16.Nb3 Nc6 (16...c5 17.Na5 Qa5 18.a4+=) 17.a3 (17.a4 b4+=) 17...Rb8= 18.Nfd2 (18.c4 Bd7=) 18...Bg7 19.Nf3 (19.a4 b4=) 19...Qf6 (19...Bd7 20.c4=) 20.Qe2 (20.c4 bc4 21.Qc4 Rb6=) 20...Be6 21.Bc2 (21.Rab1 Ne7=) 21...Bc4 (21...h6 22.Qd1 Nd8 23.e5 de5 24.Ne5=) 22.Qe3 h5 (22...a5 23.Nbd2 Be6 24.Qd3=) 23.Nbd2+= Be6 24.h4 (24.Bb3 Bb3 25.Nb3 Ne7+=) 24...Bg4= 25.g3 (25.Bb3 Na5 26.Ba2 c5=) 25...Nd8 (25...Re7 26.Bb3=) 26.Bd3 c5 0–1. Baer,Cy (1895) – Heise,Matthias (2335), remoteschach.de, 2007.

8.Nf3 Bg4 9.Nbd2 Re8 10.Qc2 a6 11.Bd3 Nd7 12.0–0 Bg5 13.e5 Bd2 14.Nd2 Qh4 15.Rae1 de5= 16.Bf5 ed4–/+ 17.cd4 Bf5–+ 18.Qf5 Qd4 19.Nf3 Qa4 20.Ng5 Nf6 21.Qb1 h6 22.Nf3 Qb5 23.Qc2 c5 24.a4 Qa5 25.Qb3 b5 26.ab5 ab5 27.Qb2 c4 28.Ra1 Qb6 29.Qd4? Qd4 30.Nd4 Ra1 31.Ra1 b4 32.Kf1 Re4 33.Rd1 Nd5 34.Nc6 b3 35.Rd5 b2 36.Rb5 c3 37.f3 c2 (37...c2 38.Rb8 Kh7 39.fe4 b1Q 40.Rb1 cb1Q (40...cb1R?! 41.Ke2–+; < 40...cb1N 41.Ke2+=; 40...cb1B?! 41.e5=) 41.Kf2 Qe4–+) 0–1. Thomas Lazar – Trkn, itsyourturn.com, 2000.

8.f4 b6 9.e5 de5 10.fe5 Bg5 11.Nd2 Bb7 12.Ngf3.

8.f4 c5 9.e5 de5 10.fe5 Bg5 11.d5.

6.Bg3 0–0

7.Nd2 b6 8.e4= Bb7 9.Bd3 Nbd7 10.f4 Re8=+ 11.Ngf3 Bf8 12.Bh4 Qc8 13.0–0 Ne4=+ 14.Qc2 f5 15.Rae1 d5 16.c4 c6 17.Ne5 Ne5 18.fe5 Qe6 19.g4 Qg6–/+ 20.g5 Be7 21.Nf3 h6 22.Qg2 Ng5?? 23.e6?? Nf3 24.Rf3 Qg2 25.Kg2 Bh4 26.Re2 c5 27.Rf5 dc4 28.Be4 Re6 29.d5 Rd6 30.Bf3 Rad8 31.Kh3 Bf6 32.Rd2 Bd4 33.Rg2 Bc8 (33...Bc8 34.Bg4 Rg6–+) 0–1. dixi82 – jammboy, ChessWorld.net, 2006.

7.e3 c5 8.Bd3 Be6 9.Nd2 d5 10.Ne2 c4 11.Bc2 b5 12.e4 de4=+ 13.Ne4 Bd5 14.Nf6= Bf6 15.0–0 g6 16.a4+= ba4 17.Ra4 Bc6 18.Ra2 Nd7 19.Qa1+= Qe7 20.Re1 Nb6 21.Bf4 Rfe8= 22.Bd2 Qd7 23.Ng3 Re1 24.Be1 Bh4 25.Ne4 Be4 26.Be4+= Re8 27.Bf3 Re7 28.Bd2 Nc8 29.Ra5 Qe8 30.g3 Bf6 31.Qa2 Qd8 32.Ra4 Nd6 33.Ra7+– Ra7 34.Qa7 Be7 35.Qa6 Qc7 36.Bd5 g5 37.Bc1 Qb8 38.Kg2 Kf8 39.Ba3 Qb5 40.Qc6 Qc6 41.Bc6 Nc8 42.Be7 Ke7 43.Kf3 Nd6 44.Ke3 Kd8 45.d5 Kc7 46.f3 Kb6 47.Kd4 h5? 48.g4 hg4 49.fg4 f6 50.h3 Kc7 51.Kc5 Ne4 52.Kc4 Kd6 53.Kd4 Ng3 54.Bb5 f5 55.Bd3 f4 56.c4 Ke7 57.c5 Kd7 58.d6 Kc6 59.Bb5! Kb5 60.d7 Ne2 61.Kd3 Nc1 62.Kc2 (62.Kc2 Ne2 63.d8Q+–) 1–0. Wesslen,Ulf – Johansson,Boerje, corr SSKK 2–43, 1985.

7.e3 c5 8.Bd3 Be6 9.Nd2 d5 10.Ne2 c4 11.Bc2 Nc6=.

7.e3 c5 8.Bd3 Be6 9.Nd2 d5 10.Ne2 Qc7?? 11.Bc7+– (11...c4 12.Bc2+–) 1–0. Buss,Michael – Hasler,Ulrich, corr or02–023, 2002.

7.e3 Bf5 8.Bd3 Be4 9.f3 Bd3=+ 10.Qd3 d5 11.Nh3 h6 12.0–0= Nbd7 13.Nd2 b6 14.e4+= c5 15.Nf4 Nb8. cwhite (2265) – dearwish (1800), net–chess.com, 2004.

7.e3 Bf5 8.Nf3 Nbd7 9.Nbd2 Re8 10.Be2 Nb6 11.0–0 Nh5 12.a4 Ng3=+ 13.hg3 c6 14.c4 Nd7 15.Qb3= Rb8 16.Rfd1 Qa5 17.Bd3 Bg4 18.Rdb1 Qh5 19.Qc2 Nf6 20.Nh2 Be6 21.Ne4 Ne4 22.Be4 f5 23.Bd3 Rf8 24.a5 Rf6 25.Qe2 Qf7 26.Nf3 Rh6 27.Nd2 g5 28.f4 g4=+ 29.Rb2 Rg6 30.Rab1 Bd8 31.Nb3 h5 32.Kf2 1–0. algernon (2145) – kormos (2365), net–chess.com, 2005.

7.e3 Bf5 8.Nf3 Nbd7 9.Bd3 Bd3 10.Qd3 c5 11.d5 b5 12.Qb5 Nd5 13.0–0 N7f6 14.Qd3 Nb6 15.Nbd2 d5 16.a4 Nbd7 17.Rfd1 c4 18.Qc2 Qa5 19.Nd4 Rfe8 20.Rdb1 Rac8 21.Rb5 Qa6 22.Nf5 Bf8 23.Rab1 g6 24.Nd4 Nc5 25.a5 Bd6 26.Bd6 Qd6 27.Qd1 Re7 28.h3 Rce8 29.Qc2 Nfd7 30.N2f3 Nf6 31.Nd2 Nfd7 ½–½. Armstrong,Alan (2175) – Hislop,Allan Thomas (2165), SCCA–ch, 2000.

5.e3 0–0

6.Bd3 Nc6 A) 7.Bg3 A1) 7...d6 8.Nf3 Bg4 9.0–0 Re8 10.h3; A2) 7...Re8 8.Nf3 d5 9.0–0 Ne4 10.Bf4; A3) 7...d5 8.Qc2 Re8 9.Nf3 Bg4 10.Ne5; B) 7.Bf4 B1) 7...d5 8.Ne2 Bd6 9.Bb5 Ne7 10.d4; B2) 7...Re8 8.Nf3 d5 9.Bb5 a6 10.Bc6; B3) 7...d6 8.Nf3 Nh5 9.Bg3 Bg4 10.Qa4; C) 7.Bf6 Bf6 8.Nf3 d5 9.0–0 Qd6 10.Qc2.

6.Bd3 d5 A) 7.Nf3 A1) 7...Nc6 8.Bf6 Bf6 9.0–0 Bg4 10.Be2; A2) 7...Nbd7 8.Bg3 Ne4 9.0–0 Ndc5 10.Be2; B) 7.Bf4 B1) 7...c5 8.Nf3 Nc6 9.Ne5 Ne5 10.Be5; B2) 7...Re8 8.Nf3 Nh5 9.Bg3 Ng3 10.hg3; B3) 7...Nbd7 8.Ne2 Nc5 9.Bc2 Ne6 10.Be5; C) 7.Bf6 Bf6 8.Nf3 Bg4 9.h3 Bh5 10.Qb3.

6.d4 (--> 5.d4 0–0 6.e3).

6.Be2 d5 7.Bf6 Bf6 (worse is 7...gf6 8.Bd3+=) 8.Nf3 c6 9.0–0 Nd7 10.d4 Qc7 11.Nbd2 Be7 12.c4 Nf6 13.cd5 cd5 14.Qb3 Bd6 15.h3 Bf5 16.a4 Rac8 17.Bd3 Bd3 18.Qd3 Qe7 19.Rfc1 Rc7 20.Rc2 Rfc8 21.Rac1 g6 22.Qb3 Qd7 23.Ne1 Ne4 24.Ne4 de4 25.Kf1 Kg7 26.Ke2 a5 27.Rc7 Rc7 (27...Bc7? 28.Qb7 h6 A) 29.Qe4?! Bd6 (29...Qa4?? 30.Qb7 Qd7 31.Nd3+–) 30.Rc8 Qc8+–; B) 29.d5+–) 28.Rc7 Qc7 (worse is 28...Bc7 29.Qb7 Qe7 30.f3+/–) 29.Qc2 Qe7 30.f3 f5 31.fe4 fe4 32.g4 g5 33.Qc4 Bg3 (33...Bc7 34.Ng2=) 34.Qd5 (34.Qb5!?+=) 34...b6= 35.Nc2 h6 36.Qf5 (36.Qc6 Bc7+/–) 36...Bd6 (36...Qe8 37.Qd5 Qa4 38.Qb7 Kf8 39.Kd2+=) 37.d5+= Bc5 38.Nd4 Bd4 39.ed4 Qa3 40.Qd7 Kf8 41.Qd8 Kf7 42.Qd7 Kf8 43.Qf5 Kg7 44.Qd7 ½–½. Papp,Jozsef (2030) – Puzko,Danila (2080), Berekfurdo HUN, Barcza Mem, 2013.

6.Qf3 d6 7.Bf4 Nc6 8.h3 Ne5 9.Be5 de5 10.Ba6?? ba6 11.Qa8+/– Qd3 12.Nf3 Bh3 13.Qc6?? Bg2–/+ 14.Ne5?? Bc6–+ 15.Nd3 Bh1 16.Ne5 Bd6 17.f4 Be5 18.fe5 Nd7 19.d4 c5 20.Nd2 cd4 21.ed4 Re8 22.Kf2 Bc6 23.c4 Ba8 24.Kg3 f6 25.ef6 Nf6 26.d5 Kf7 27.Rf1 Kg6 28.Rf4 Nh5 29.Kg4 Nf4 30.Kf4 h5 31.Ne4 h4 32.d6 Re4 33.Kf3 Rd4 34.Ke3 Rd6 35.c5 Rd5 (35...Rd5 36.a4 Rc5–+) 0–1. juancabeta – onurtasan, internet, 2007.

6.Nf3 c5 7.Bb8 Rb8=+ 8.Be2 d5 9.d4 c4 10.0–0 b5 11.a3 Ne4–/+ 12.Ne5 Qd6 13.Ra2 f6 14.Ng4 a5 15.f3 Ng5 16.Qe1 Nf7 17.f4 Bg4 18.Bg4=+ Nh6 19.Bh3 f5–/+ 20.Qe2 g6 21.g4 fg4–/+ 22.Bg4 Ng4 23.Qg4 Rf5 24.Rg2 Qe6 25.Re1 b4 26.ab4 ab4 27.Rb2? b3 28.Nd2? Ra8?? 29.Re2? Ra1 30.Kf2 Ba3 31.Rb1 Bb2?? 32.Rb2+– Qd6 33.Kf3 Kg7 34.h4 h5 35.Qh3 Ra2 36.Nf1 Ra7 37.Rg2 Qe6 38.Ng3?? Rf4!!–+ (39.Ke2 Rf2 40.Kf2 Qh3 41.Nh5 Kh6–+) 0–1. Kupec,Jan – Fengsrud,Roy, corr 3GMM–09, 1997.

6.Nf3 Nc6 7.d4 Ne5 8.Ne5 d6 9.Nd3 c5 10.Nd2 Qa5 11.Qc2 Bf5 12.Qb3 Ne4 13.Ne4 Be4 14.f3 Bd5 15.Qb2 (15.Qd5 Qc3 Double attack) 15...Bh4 16.Kd1 f5 17.c4? (better is 17.Nf4 Bf7 18.Bb5+=) 17...Bc4–+ 18.g3 Bf6 19.Qc2 (19.Qb7 cd4 (19...Ba2 20.Qb2+=) 20.e4 fe4–+) 19...Bd5 20.Ne1 (20.Bg2 cd4 21.e4 Rac8–+) 20…cd4 (20...cd4 21.Rc1 de3–+) 0–1. Peardon,Joanne – Abolina,Maruta (2050), ICCF FM/0125, 2005.

6.Nf3 d5 7.Be2 c5 8.0–0 Nc6 9.Bf6 Bf6 10.d4 b6 11.Nbd2 Bf5 12.Qa4 Qc7 13.Rfc1 c4 14.Ne1 a6 15.Bf3 Qd7 16.Qd1 Rfe8 17.h3 b5 18.Bg4 b4 19.cb4 Nb4 20.Nb1 Bg4 21.hg4 Bd8 22.Nc3 Ba5 23.Rab1 Rab8 24.a3 Nc6–/+ 25.Qa4 h6 26.Kf1 Rb1 27.Nb1 Rc8 28.Nc2 Qg4 29.Nb4 Bb4 30.ab4 Qe6 31.Qa6 Nd4 32.Qe6–/+ Ne6 33.Nc3 d4 34.ed4=+ Nd4 35.b5 Ra8 36.Rb1 Nb3 37.Rb2 Kf8 38.g3 Ke7 39.b6 Rb8 40.Kg2 Ra8?? 41.Ra2 Ra2?? 42.Na2 Kd6–+ 43.Nc3 Kc6 44.f3 Kb6 (44...Kb6 45.Kf2 Nd4–+) 0–1. Bulcourf,Carlos (2285) – Sorin,Ariel (2500), Buenos Aires op, 1999.

6.Nf3 d5 7.Bf6 Bf6 8.d4 =+.

6.Nf3 d6 7.Bf6 Bf6 8.Qc2 Bg4 9.Be2 Nc6 10.0–0 Qd7 11.Bd3 g6 12.Nd4 d5 13.Na3 a6 14.Nc6 Qc6 15.f3 Bd7 16.Rab1 b5 17.e4? Qc5–+ (17...Qc5 18.Rf2 Qa3 19.ed5 Qd6–+) 0–1. Beau – AmenRa, Live Game Caissa's Web, 2005.

6.h3 Nc6 7.Bh2 b6 8.Nf3 Bb7 9.Be2 d5 10.0–0= Ne4 11.d3 Nd6 12.Qc2 Bf6 13.Nbd2 Nb5 14.d4 Na3 15.Qb3 Be7 16.Bd3 Na5 17.Qd1 c5 18.Bb1 Rc8 19.Bf5= Ra8 20.Bb1 c4 21.e4 Nb1=+ 22.Qb1 de4 23.Ne4 f5 24.Ned2 Bg5 25.Qc2 Qd5 26.Be5 Rae8 27.Rfe1 Re6 28.Re2 Rg6 29.Kh2?? Bd2–+ 30.Qd2 Rg2!? (30...Rg2 31.Kh1 Qf3 32.Re3 Rg1 33.Kg1 Qg2#) 0–1. Sulak,Edward – Bartnik,Tomasz, corr Tch19–Poland, 1992.

6.Bd3 d6

7.Bg3 Be6 8.Ne2 Nbd7 9.0–0 Nc5 10.Nf4 Nd3 11.Nd3 Bf5 12.Nf4 Qd7 13.d4 Rfe8 14.Nd2 c6 15.f3 d5–/+ 16.a4 Bd6 17.Re1 Re7 18.Bf2 Bf4 19.ef4 Re1 20.Be1 Re8 21.Bh4 Qe7 22.c4 Qe3–+ 23.Bf2 Qf4 24.g3 Qc7 25.g4 Bc8 26.a5 a6 27.cd5 cd5 28.Nb3 –/+. willi_weizenkeim – Cornacchini, playchess.de, 2002.

7.Bf6 gf6 8.Qh5 f5 9.Bf5 Bf5 10.Qf5 +/–.

7.Bf6 Bf6 8.Qc2 g6 9.Ne2 b6 10.Be4 d5 11.Bf3 c5 12.d4 Bb7 13.Nd2 Na6 14.Qb3 Qd7 15.0–0 Rfe8 16.a4 cd4 (16...Bc6 17.a5=) 17.cd4+= g5 18.Nc3 The pressure on the isolated pawn grows 18...Nc7 19.Rab1 g4 20.Be2 h5 21.Bd3 Bg5 22.Nb5 Nb5 23.Bb5 (23.Qb5?! Qb5 24.ab5 h4=) 23...Bc6 24.Bc6 Qc6 25.Rfc1 Qd7 26.Rc3 Rac8 27.Rbc1 Rc3 28.Rc3 Kg7 29.Qc2 Re7 30.Nf1 h4 31.Nd2 f5 32.Qb3 (32.g3!?+=) 32…f4= ½–½. Paauwe,J – De Pooter,Ronald, PKS op–B Netherlands, 2003.

7.Bf6 Bf6 8.Qc2 h6 9.Bh7 Kh8 10.Bf5.

7.Bf6 Bf6 8.Ne2 Nc6 9.Qc2 Kh8 10.a3.

7.Bf6 Bf6 8.Nf3 Nc6 9.0–0 Bg4 10.Na3.

6.Bf6 Bf6

7.d4 c5 8.Bd3 (better is 8.Nf3=) 8...Nc6 (better is 8...d5!?+=) 9.Qh5+= (9.dc5?! Qa5=) 9...g6 10.Qc5 d6 (10...b6 11.Qd6+=) 11.Qb5+/– Bd7 (11...Rb8 12.Nf3+=) 12.Qb2 (12.Qb7 Rb8 13.Qa6 d5+/–) 12...Na5 (12...Rb8 13.Nf3+/–) 13.Nf3 (13.Ne2 b5+/–) 13...Qc7 (13...d5 14.0–0+/–) 14.0–0 b5 15.Qe2 (15.Nbd2 Rab8+/–) 15...a6 16.a4 Nb3 17.Ra3 ba4 18.c4 Qa5 (18...Rfe8 19.Qd1+/–) 19.Nfd2 (19.Qa2 Rab8+/–) 19...Nd2 (19...Rab8 20.Ra2+/–) 20.Nd2 d5 (20...Rab8 21.Ra2+/–) 21.c5 Rab8 (21...Rfe8 22.Nf3+/–) 22.Nb1+– (22.Ba6?! Rb2 23.Nc4 Qa6 (worse is 23...Re2 24.Na5 Rb2 25.Bb7+/–; 23...dc4?! 24.Qb2 Qa6 25.Rc1=) 24.Qb2 Qc4=) 22...Rb3 (22...Bc6 23.Qa2+– (23.Ba6?! Rfe8+=)) 23.Rb3 ab3 24.Qf3 Kg7 25.Qd5 Be6 26.Qb7 Rd8 27.Qa6 (27.Ba6?! Bc8 28.Qc8 Rc8 29.Bc8 Kf8+/–) 27...Qa6 28.Ba6 Ra8 29.Bd3 Bd8 30.e4 b2 31.Rd1 Bb3 32.Rd2 Ra2 33.f4 f5 34.e5 Kf8 35.g3 Ba5 36.Re2 Bd1 37.Re3 Bb3 38.Bf5! Bc4 39.Bc2 Ra1 40.Ra3 Bb4 41.Rf3 Ke7 42.h4 Ba2 43.Rf1 Bc4 44.Kf2 Bf1 45.Kf1 Ra8 46.Ke2 Rd8 47.Ke3 Be1 48.g4 Bh4 49.c6 Bg3 50.f5 Rc8 51.f6 Kf7 52.Be4 Ra8 53.g5 Ke8 54.Bd3 Kd8 55.Kf3 Bh2 56.Nc3 Rc8 57.Na4 1–0. Taulien,Hans_Juergen (2350) – Isigkeit,Hans_Juergen (2300), RSM2004 remoteschach.de, 2006.

7.d4 d6 8.Bd3= c5 9.Ne2 b6 10.0–0 Bb7 11.Nd2 Qe7 12.Qb1 g6 13.a4 Nd7 14.a5 Qe6 15.a6 Bc6 16.Nf4+– Qg4 17.d5 Bc3 18.Be2 Qh4 19.Nf3 Qe7 20.dc6 Ba1 21.Qa1 Nb8?? 22.Nd5 Qd8 23.c7 (23.c7 Nd7 24.cd8Q Rfd8 25.Ne7 Kf8 26.Nc6+–) 1–0. Lebel,Patrick – Wantoch_Rekowski,Jacek, corr or01–022 E–mail, 2002.

7.d4 d5

8.Bd3 c5

9.dc5 Qa5 =.

9.Nd2 Nc6 10.dc5 Ne5 11.Nb3 Re8 12.Ne2 Bg4 13.0–0 Rc8 14.h3 Nd3 15.Qd3 Be2 16.Qe2 Bc3 17.Rad1 Bf6 18.Qb5 Re7 19.Rd3 Rd7 20.Rfd1 g6 21.R1d2 Bg7 22.Qa4 Rc6 23.Qg4 Re6 24.Qd1 Re5 25.Nd4 Re4 26.Nf3+/– Qe7 27.Rd5 Rd5 28.Rd5 Rc4 29.Rd8 Bf8 30.Qd6 Kg7 31.Nd4 Rc1 32.Kh2 Rc5 33.Ne6 fe6 34.Rd7 Kf7 35.e4 (35.e4 Rc2 36.Re7 Be7 37.Qf4 Kg7 38.Qb8 Ra2 39.Qb7+/–) 1–0. Hoch,Hubertus (2165) – Bringsken,Peter (1930), BdF T, 2004.

9.Nd2 Re8 10.Ne2 Nc6 11.dc5 Ne5 12.Nb3 Nd3 13.Qd3 Re5 14.Nf4 Attacks the isolani on d5 14...Bf5 15.Qb5 b6 16.0–0 bc5 17.Qc5 a6 18.Rad1 The pressure on the isolated pawn grows 18...Rc8 19.Qa3 Bg4 20.Rd2 Bg5 21.Qa6 Rc3 22.h3 Bc8 (22...Bf5 23.Qb5 Rc2 24.Rc2 Bc2 25.Nd3 Bd3 26.Qd3+/–) 23.Qa8 Bf4 24.ef4 Re8 25.Rd5 Qh4 26.Qa4 Rf8 27.Qd4 Rc2 28.a4 Be6 29.Rg5 f6 30.Nc5 Bc4 31.Rg4 Qh6 32.Re1 Kh8 33.Re7 Rg8 34.Ne4?? Re2?? 35.Qc4+– f5 36.Qe2 fg4 37.Ng5 Rf8 38.Nf7 Rf7 39.Re8 (39.Re8 Rf8 40.Rf8) 1–0. Taulien,Hans_Juergen – Heimonen,Arto (2075), 60yearsBdF–WS35, 2006.

9.Ne2 Qa5 10.0–0 Nc6 11.Nf4 Bg5 12.dc5 Bf4 13.ef4 Qc5 14.Re1 d4 15.Be4 dc3 16.Qc2 Nd4 17.Qc3 Qd6 18.Nd2 Bg4 19.Qe3 Nf5 20.Nc4 Qf6 21.Qd3+= Rad8 22.Qb1 Nd4 23.Bh7 Kh8 24.Ne5 Be2 25.Bf5 Rfe8 26.Qe4 Kg8 27.Bg4 Bg4= 28.Ng4 Qf4 29.Qe8 Re8 30.Re8 Kh7 31.h3 Qd2 32.Ree1 Ne2= 33.Kh1 b5 34.Red1 Qc3 35.Ne3 a5 36.Rab1 b4 ½–½. Baer,Werner (1790) – Milde,Lars (2040), TT–03 TSC, 2002.

9.Ne2 c4 10.Bc2 =+.

9.Ne2 Nc6 10.dc5 Qa5 11.Qb3 Ne5 12.Bc2 Qc5 13.Qa3 Qa3 14.Na3 Rd8 15.Rb1 g6 16.Nb5 Bg4 17.Nc7 Rac8 =+.

9.Ne2 Be7 10.Qc2 f5 11.dc5 Bc5 12.Nf4 g5 13.Ne2 Qe7 14.h4 g4 =.

9.Ne2 Be7 10.Qc2 g6 11.Qb2 Nd7 12.Nd2 Qc7 13.0–0 c4 14.Bc2 Bd6 15.g3 Re8 16.e4 de4 17.Ne4 Bf8 18.Rfe1 Qa5 19.Rab1 f5 20.Ng5 Bh6 21.h4 Nb6 22.a3 Bf8 23.Nf4 Bd7 24.h5 Bh6 25.Nge6 Bf4 26.Nf4=+ g5 27.Ng2 Qd5 28.Re8 Re8 29.Re1 Re1 30.Ne1 Bc6 31.f3 Qe6 32.Qc1 h6 33.Kf2 Nd5 34.Ng2 Nc3 35.Qe3 Qe3 36.Ne3 f4 37.gf4 gf4 38.Nc4 Nb5 39.Be4 Be4 40.fe4 Nd4 41.Ne5 b5 42.Nd3 Nc2 43.Kf3 Na3 44.Kf4 Nc4 45.e5 a5 46.Ke4 a4 47.Nb4 Kf7 48.Kd5 a3 49.e6 Ke7 50.Nc6 Kf6 51.e7 Kf7 52.Nb4 Ke7 53.Kc5 Nd6 54.Na2 Ne4 55.Kb5 Nf6 56.Ka4 Nh5 57.Ka3 Kf6 58.Nc3 Nf4 59.Kb3 Kf5 60.Kc2 h5 61.Nd1 h4 62.Nf2 Nh5 63.Kd3 Kf4 64.Ke2 Ng3 65.Ke1 Kf3 66.Nh3 Ne4 67.Ng1 Kg2 68.Ne2 Nc5 69.Nf4 Kf3 70.Ne2 Nb3 71.Kf1 Nd2 72.Ke1 Nc4 73.Nd4 Kg2 74.Ne6 Ne3 75.Ke2 Nd5 76.Ng5 Nf4 77.Ke3 Nh5 78.Ke2 Nf6 79.Ke3 Kg3 80.Ke2 Ng4 ½–½. Buczinski,Henryk – Baer,Werner, corr TT–19, 2006.

9.Ne2 Be7 10.Qc2 h6 A) 11.dc5 Bc5 12.Nd2 Nc6 13.Nf4 Be6 14.Rb1 Rb8=+; B) 11.Nd2 Nc6 12.0–0 Qc7 13.Nf4 Rd8 14.Rab1 Rb8=; C) 11.0–0 Re8 12.dc5 Bc5 13.c4 Nc6 14.cd5 Qd5=.

9.Ne2 Be7 10.dc5 A) 10...Bc5 A1) 11.Nd2 Re8 12.Nd4 Nc6 13.0–0 Ne5 14.Qb1 Nd3=; A2) 11.Nd4 Nc6 12.Nd2 Re8 13.0–0 Ne5 14.Bb5 Re7=; A3) 11.Nf4 Be6 12.Nd2 Qe7 13.Rb1 Rd8 14.0–0 Nc6=; B) 10...Nd7 11.Qc2 h6 12.0–0 Nc5 13.Nd4 Bd6 14.Nd2 Qf6=.

5.e3 c5

6.Bb8.

6.d4 Nc6 7.Bf4 cd4 8.ed4 d5 9.Be2 0–0 10.Nf3 Ne4 11.Bd3 Bg4 12.0–0 Bd6 13.Bd6 Qd6 14.h3 Bh5 15.g4 Bg6 16.Qc2 f5 17.Nh4 fg4 18.hg4 Nf2!! 19.Rf2 Qg3 20.Ng2 Bd3 21.Qd2 Be4 22.Na3 Rf2 23.Qf2 Qc3 24.Rf1 Qa3 25.Qf7 Kh8 26.Qb7 Rb8 27.Qc6 Qg3 (28.Qc2 Bc2 29.Rc1 Be4 30.Rc2 Rb1 31.Rc1 Rc1#) 0–1. VASSILIOS – marekt, ChessWorld.net, 2004.

6.d4 Nc6 7.Nf3 d5 8.dc5 0–0 9.Bf6 Bf6 10.Qc2 Qe7 11.Bd3 =.

6.d4 Nc6 7.Bf6 Bf6 8.Bb5 cd4–/+ 9.ed4 Nd4! 10.a4 Qa5–+ 11.Bd3 0–0 12.Kf1 Nc6 13.Qc2 g6 14.f3 d5 15.h4 Qd8 16.h5 Nb4 17.cb4 Ba1 18.hg6 fg6 19.Bg6 hg6 20.Qg6 Bg7 21.Qh7 Kf7 22.Qh5 Ke7 23.Qg6 Rg8 24.Rh7 Kf8 25.Nc3 Qc7 26.Nce2 Qe5 27.g4 Rh8 28.Rg7 Qg7 29.Qd6 Qe7 30.Qd5 Be6 31.Qe5 Kg8 32.Kg2 Re8 33.Nf4 Bg4 34.Qh8 Kh8 35.Ng6 Kg7 36.Ne7 Re7 37.fg4 Re4 38.Kg3 Rb4 39.Kh4 Ra4 40.Kh5 b5 41.Ne2 b4 42.Nd4 Ra5 43.g5 Rd5 44.Ne6 Kg8 45.Nf4 Rb5 46.Nd3 b3 47.Nb2 a5 48.Kg4 (48.Na4 b2 49.Nc3–+) 0–1. Takalo Eskola,Toivo – Laine,Jari, corr FIN–ch I qual, 1982.

6.d4 cd4 7.Bf6 Bf6 8.cd4 d5 9.Nc3 Nc6 10.Bd3 0–0 11.Nge2 Bg4 12.0–0 a6 13.Qb1+/– Qd7 14.Bh7 Kh8 15.Bd3 g6 16.Nf4+– Be6 17.Na4 Bd8?? 18.Nc5 Qc8 19.Nce6 fe6 20.Ng6 Kg7 21.Nf8 Kf8 22.f4 Bf6 23.g4 Ke7 24.g5 Bg7 25.f5 ef5 26.Bf5 Qc7 27.Bh3 Nd4 28.Qb4 (28.Qb4 Qd6 29.Qb7 Ke8 30.ed4 Bd4 31.Kg2 a5 32.Qa8 Qb8 33.Qb8 Ke7 34.Qf8) 1–0. michaelbuss – shr0pshire, ChessWorld.net, 2006.

6.d4 d5 7.Bd3 Nc6=+ 8.Bf6 Bf6 9.Nd2 0–0 10.Qh5 g6 11.Qf3 Re8 12.Ne2 cd4 13.cd4 Bd4 14.ed4 Nd4=+ 15.Qf4 Re2 16.Be2 Nc2 17.Kd1 Na1 18.Qd4 Qb6 19.Qa1 Qf2 20.Rf1 Qg2= 21.Qf6 Bf5 22.Nf3 Re8 23.Ne5 Rf8 24.h4 Qe4–/+ 25.h5 Qb1 26.Kd2 Qa2 27.Kd1 Qb1 28.Kd2 Qb4 29.Kd1 Qb6 (29...Qb6 30.Qb6 ab6–/+) 0–1. Hebels,Albert – van Oirschot,Kees, corr NL, 1991.

6.d4 d6 7.Bf4 =.

6.d4 d6 7.Bf6 Bf6 8.Nf3 0–0 9.Bd3 d5 10.dc5 Nd7 11.Qc2 =.

6.Nf3 0–0 7.Be2 Nc6 8.Bf6 Bf6 9.0–0 d5 10.d4 Qd6 11.Nbd2 Bf5 12.a4 Rfe8 13.a5 a6 14.Qa4 c4 15.Ra2 Bd8 16.Qa3 Qe6 17.Qc5 Rb8 18.Rfa1 b6 19.ab6?? Be7–+ (19...Be7 20.Ra6 Bc5 21.dc5 Qe7–+; 19...Bb6?! 20.Qa3=+) 0–1. Champion,William R – Boesenberg,Egbert, EM/M/A015 ICCF Email, 1997.

6.Nf3 Nc6 7.Bg3 d5 8.d4 Ne4 9.Bd3 Ng3 10.hg3 c4 11.Bc2 (11.Bh7? Bf5–+) 11...Qa5 12.a4 (12.Bh7?? Bf5–+) 12...h6 13.0–0 f5 (13...Bg4 14.Re1–/+) 14.Na3 (better is 14.Nh4!? 0–0 15.Qf3=) 14...Qc3–/+ 15.Nb5 Qa5 16.Qb1 (16.Ne5!? h5 17.Ng6–/+) 16...0–0–+ 17.Ne5 Rf6 18.f4 a6 19.Na3 Ne5 20.fe5 Rf8 21.Bf5 Bf5 22.Rf5 b5 23.Rf8 Rf8 24.ab5 Ba3 25.Qa2 ab5 (25...Qb5?! 26.Qa3 Qb3 27.Qb3 cb3 28.Ra6=) 26.Qa3 Qa3 27.Ra3 b4 28.Ra1 b3 0–1. amator111 (1605) – ustepw, internet, 2012.

5.e3 Nc6

6.d4 Ne5 7.de5 Ne4 8.Qg4 Ng5 9.Qd1 0–0 10.f4 Ne4 11.Bd3 Nc5 12.Nf3 d6 13.Qc2 Nd3 14.Qd3 de5 15.Ne5 Qd3 16.Nd3 Bf5 17.Ne5 Rfe8 18.Kf2 Rad8 19.Nf3 Bf6 20.a4 Rd3 21.Re1 a5 22.Ra3 Bd7 23.Nd4 b6 24.Re2 Bg4 25.Re1 g5 26.fg5 Bg5 27.e4 Bh4 28.g3 Bf6 29.Ra2 Bd4 30.cd4 Rd4 31.Nc3 Rc4 32.Nd5 Kg7 33.e5 Be6 34.Nf6 Rd8 35.Raa1 Kg6 36.h4 Rdd4 37.Rec1 h6 38.Rc4 Rc4 39.Ke3 Kf5 40.Ng8 Ke5 41.Nh6 Rc3 42.Kf2 f5 43.Rd1 Kf6 44.Rd8 Kg7 45.Re8 Rc2 46.Kg1 Rc6 47.Re6 Re6 48.Nf5 Kf6 49.Nd4 Re4 50.Nb5 Ra4 51.Nc7 0–1. Rushton,Darren – Baer,Werner (1715), TT–02 TSC, 2002.

6.Nf3 Ne5 7.Ne5 0–0 8.d4 b6 9.Bd3= Bb7 10.0–0 c5 11.Nd2 Qc7 12.Rb1 Rac8 13.Qa4 d6 14.Nef3 Nd5 15.Qb3 cd4 16.cd4 Qd7 17.Rfc1 Nf6 18.a3 Rc7 19.Rc7+= Qc7 20.a4 Bd5= 21.Qb5 Rc8 22.Bf5 Be6 23.Bd3 Nd5 24.Ne4 h6 25.Qb2 Nc3 26.Nc3 Qc3 27.Qb5 Bc4 28.Bc4+= Qc4 29.h3 Qa2 30.Rb2 Qc4 31.Qd7 Rc7 32.Qe8 Bf8 33.Kh2+= Rc6 34.a5 Rc8 35.Qb5 ba5 36.Qa5 Qc7 37.Ra2 Qa5 38.Ra5 Rc7 39.d5 Rc5 40.Ra7+/– Rd5 41.g4 g6 42.Kg3 Bg7 43.Ra8 Kh7 44.Rd8 Bf6 45.Rd7+/– Kg7 46.h4 Kf8 47.Kf4 ½–½. Rehatschek,Herwig – Jackson,Randell, IECG Cat–A, 1996.

6.Nf3 Ne5 7.Ne5 0–0 8.d4 d6 9.Nf3 c5 10.Nbd2 d5 11.h3 Qa5 12.Qc2 cd4 13.cd4 Ne4 14.Bd3 Bf5 15.0–0 Rac8 16.Nb3 Qa3 17.Qd1 Rc3 18.Ne5 f6 19.Nf3? (better is 19.Ng4!?+=) 19...Nf2!–+ 20.Rf2 (20.Kf2 Bd3) 20...Bd3 21.Rd2 Be4 22.Kf2 Rfc8 23.Ke1 (23.Re2 Bd6–+) 23...Bc2 24.Rc2 Rc2 25.Nfd2 Bb4 (worse is 25...Ra2 26.Ra2 Qa2 27.Qh5–+) 26.Ke2 (26.Qe2–+) 26...Bd2 27.Nd2 Qb2 28.Rb1 Rd2! 29.Qd2 A deflection 29...Qb1 30.Kf3 Qe4 31.Kg3 Rc2 (31...Rc2 32.Qc2 Qc2–+) 0–1. Borup,John – Meier,Franz, ClassD–001 VCC, 2001.

6.Nf3 Ne5 7.Ne5 0–0 8.Be2 c6 9.0–0 Qa5 10.Nd3 d5–/+ 11.Ne5 Bf5 12.d4 Bd6 13.Bd3 Bd3 14.Qd3 Ne4 15.f3 Nc5–/+ 16.Qf5 Nb3! 17.ab3 Qa1 18.Nd2? Qc3 19.Qd3 Qd3 20.Nd3 a5 21.Ra1 Rfe8 22.Nf1 b5 23.Rc1 a4 24.ba4 ba4 25.Ra1 a3 26.g3 Reb8 27.Nd2 a2 28.Kf2 Ra3 29.Ke2 Bc7 30.Nc1 Ba5 31.Na2 Rb2 (31...Rb2 32.Kf1 Bd2–+) 0–1. rla – jaskier (2045), internet, 2007.

6.Bf4 0–0 7.d4 d6 (7...d5 8.Bd3+=) 8.Bd3 Bg4 9.Qc2 Re8 (9...d5 10.Ne2=) 10.Bg5 (10.Ne2 a6=) 10...g6 (10...h6 11.Bf6 Bf6 12.Ne2=) 11.h4 (11.Ne2 Nd5 12.Be7 Qe7=) 11...Nh5 (11...Nd5 12.Qb3 Bg5 13.hg5 Ne3 14.fe3 Re3 15.Kf2 Rd3 16.Qb5–+) 12.Be7 (12.Qb3 Bg5 13.hg5 Na5+=) 12...Qe7 13.Ne2 Qf6 (13...Rab8 14.a3=) 14.Qb3 (14.Nd2 Be6=) 14...Na5 (14...Rab8 15.Nd2=) 15.Qb5 b6 16.Nd2 (16.Qg5 Be6+=) 16...c6 (16...h6 17.f3 c6 18.Qb4 Re3 A) worse is 19.fg4 Nf4 20.0–0 Re2 (20...Nd3?! 21.Rf6 Nb4 22.cb4 Re2 23.ba5 Rd2 24.Rd6+=) 21.Rf4 Qf4 22.Be2 Qd2–+; B) 19.Ne4=) 17.Qb4 (17.Qg5 Be6+=) 17...Nb7 (17...Qe7 18.g3=) 18.Ne4 Qe7 (18...Qe6 19.f3 Bf5 20.g4 Be4 21.Be4=) 19.f3 Bf5 (19...Be6 20.Ba6 c5 21.Qb1=) 20.g4 Be4 (20...c5 21.Qb5 d5 22.gf5 (worse is 22.gh5 de4 23.fe4 Be4–/+) 22...de4 23.fe4=) 21.Be4 (worse is 21.fe4 Nf6–/+) 21...Nf6 22.Bc6 Rac8?? (better is 22...Qe3 23.Qb2 Re7+=) 23.Be8+– Qe8 24.e4 d5 25.e5 Nd7 26.Qb5 Qe6 27.Nf4 Qe7 28.Nd5 Qe6 29.Qd7! (29.Qd7 Qd7 30.Nf6 Kg7 31.Nd7 Rc3 32.Ke2+–) 1–0. Wall,Bill – Exlaser, internet, 2000.

6.Bf4 d5 7.d4 0–0 8.Nh3 Bf5 9.Bd3 Bd3 10.Qd3 Ne4 11.f3 Nd6 12.g4 Bh4 13.Ke2 Re8 14.Nd2 Na5 15.g5 Nac4 16.e4? Nd2–+ 17.Kd2 de4 18.Qc2? ef3 19.Qd1 Re2 20.Kc1 Ne4 21.Qd3 Qe7 22.Qf3 Qa3 23.Kd1 Nc3 24.Qc3 Qc3 25.Ke2 Qh3 26.Rac1 Qg4 27.Ke3 Re8 28.Be5 Bg5 29.Kd3 Bc1 30.Rc1 f6 31.Bc7 Qe2 32.Kc3 Re3 33.Kb4 Qb2 (34.Kc5 Qc1 35.Kb4 Qc3 36.Kb5 Qd4 37.Bd6 Re4 38.a3 Qb6). pgerick – Settebello, ChessWorld.net, 2003.

6.Bf4 d6 7.Be2 0–0 8.h3 Bf5 9.Nf3 Re8 10.0–0 d5 11.d3 Bd6 12.Bd6 Qd6 13.Nbd2 Rad8 14.Nb3 b6 15.Nfd4 Nd4 16.Nd4 Bd7 17.a4 c5 18.Nb5 Qb8 19.Bf3 Bf5 20.Qe2 a6 21.Na3 c4 22.dc4 dc4 23.Rfd1 Rd1 24.Rd1 Bd3 25.Qa2 Ne4 26.Rc1 Qc7 27.Qb2 Rd8 28.Rd1 f5 29.Be4 fe4 30.Qb4 Rd5 31.Nc2 Rf5 32.Nd4 Rf6 33.Rd2 Qc5 34.Ne2 a5 35.Qa3?? Be2 36.Re2?? Rd6 37.Qc1 Rd3–/+ 38.Rd2 Qd6 39.Rd3 ed3 (39...ed3 40.e4 d2–+; 39...Qd3?! 40.Qb2=+) 0–1. Hansen,Bjarne G – Kuhlmann,AEJ, corr ICCF TT–4–90–12, 1990.

6.Bg3 0–0 7.Qc2 d5 8.d3 Nh5 9.Ne2 Re8 10.Nd2 Ng3 11.Ng3 Bd6 12.Be2 Qf6 13.0–0 Rb8 14.e4 d4 –/+.

6.Bg3 0–0 7.d4 d5 8.Bd3 Ne4 9.Ne2 Ng3 10.Ng3 g6 11.0–0 Be6 12.Nd2 f5 13.Ne2 Bd6. Bennett,Hilton – Chatterjee, email 4AMM–F, 1998.

6.Bg3 0–0 7.d4 d5 8.Bd3 Bg4 9.Qc2 Bd6 10.Ne2 Be2 11.Be2 Re8 12.Nd2 Rb8 13.0–0 Bg3 14.hg3 Re6 15.Bf3 Ne7 16.Rfe1 Qe8 17.Re2 Ng6 18.Rae1 Ne4 19.Be4 de4 20.Rb1 Qc6 21.c4= Ne7 22.Nb3 Rh6= 23.Nc5 f5 24.Qa4 Qa4 25.Na4 Ra6 26.Nc5+= Rb6 27.Reb2 Kf7? 28.Nd7+– Rb2 29.Rb2 Rd8 30.Ne5 Ke6 31.Rb7 c5 32.Ra7 cd4 33.ed4 (33.ed4 Nc8 34.Ra6 Rd6 35.Rd6 Kd6 36.a4+–) 1–0. Szeligowski,Paul – Daw, Boulder CO USA, 1992.

6.Bg3 0–0 7.d4 d5 8.Bd3 Bg4 9.Nf3 Ne4 10.h3 Ng3 11.fg3 Bc8 12.0–0 Bd6 13.g4 Qe7 14.Qe1 Re8 15.Bf5 Bf5–+ 16.gf5 Qe3 17.Qe3 Re3 18.Nfd2 Rae8 19.a4 Re2 20.Ra2 Na5 21.Rf2? Bh2! 22.Kh2 Rf2 23.Kg3 Ree2 (< 23...Rf5 24.Nf3–+) 0–1. katchum (1605) – woschkat (1995), net–chess.com, 2001.

6.Bg3 d5=+ 7.Qc2 Ne4 8.d3 Ng3 9.hg3 Bf5 10.Nd2 0–0 11.Rb1 Rb8 12.Be2 Qd6 13.Nh3 Ne5 14.Nf4 c6 15.e4 de4 16.de4 Bd7 17.Nf3 g6 (17...Nf3 18.gf3 Qe5 19.Bd3=+) 18.Rd1 Nf3 19.gf3 Qc7 20.Qd2 Rfd8 21.Bc4 Bg4 22.Bf7 Kf7 23.Qe2 Rd1 24.Qd1 Qe5 25.Qd4 Qd4 26.cd4 Bb4 27.Ke2 Be6 28.Rh7 Kg8 29.Rc7 Bc4–+ 30.Ke3 Ba3 31.d5 Bc5 32.Kd2 Bd6 33.Rd7 Bf4 34.gf4 cd5 35.a4 b5 (36.ed5 ba4–+) 0–1. Buss,Michael – Pagano,Nunzio, corr or02–026, 2003.

6.Bg3 d5 7.d4 0–0 8.Bd3 Re8 9.Nd2 Bg4 10.Ngf3 Nh5 11.Qb1+= h6 12.Qb7 Ng3 13.hg3 Qd6 14.Rb1 Rab8 15.Qa6 Rb6 16.Rb6 ab6 17.Bb1 Bf8 18.Qb5 Ra8 19.0–0 Ne7 20.e4 de4 21.Ne5 Be6 22.Ne4 Qd5 23.Qd3 Bf5 24.Re1 f6 25.Ng4 Kh8 26.Ne3 Be4 27.Qe4 Qe4 28.Be4 Ra2 29.Nf5 Nf5 30.Bf5 g5 31.g4 ½–½. michaelbuss – mafergut (2010), ChessWorld.net, 2003.

6.Bg3 d5 7.d4 Bf5 8.Bd3 Bd3 9.Qd3 0–0 10.Ne2 Ne4 11.f3 Nd6 12.Nd2 Bg5 13.0–0 Re8 14.Nf4 Nc4 15.Nc4 dc4 16.Qc4 Re3 17.Nh3 Bh6 18.Bf2 Re7? 19.Bh4+/– g5 20.Bg5 Bg5 21.Ng5 h6 22.Ne4+– Kh8 23.Qb5 Re6 24.d5 Re5 25.Qb7 Ne7 26.c4 f5 27.Qb2 Ng6 28.f4 Qh4 29.Ng3 Rg8 30.Nf5 Qg4 31.Nh6 Qh5 32.fe5 Qh6 33.e6 Kh7 34.Rf7 Rg7 35.Rg7 (35.Rg7 Qg7 36.Qg7 Kg7 37.Rf1+–) 1–0. Szeligowski,Paul – Laor, Boulder CO USA, 1992.

6.Bg3 d5 7.Nf3 Bf5 (7...0–0 8.d4–/+) 8.Qb3 Rb8 (8...Na5 9.Qa4 c6 10.d3+=) 9.Nh4 (9.Na3 Ne4+=) 9...Be6 10.Qa4 (10.d4!?+=) 10...0–0 11.Bd3 Nd7 (11...g6 12.0–0–/+) 12.Nf5–/+ Nc5 13.Ne7 Ne7 (13...Qe7 14.Qc2 Nd3 15.Qd3–/+) 14.Qc2 Nd3 15.Qd3 Nf5 (15...Qd7 16.0–0+=) 16.Na3+= Qd7 17.Nb5? (better is 17.0–0!?+=) 17...Ng3–/+ 18.hg3 (18.fg3 Bf5 19.Qe2 c5–+) 18...Bf5–+ 19.Qe2 c5 20.Rh4 (20.d4 a6 21.Na3 cd4 22.cd4 Qa4–+) 20...a6–+ 21.Na3 c4 (21...b5!?–+) 22.Qd1+= Be4 23.Kf1 Qf5 24.Qh5 (24.Rc1 b5+=) 24...Qd7 (24...Qh5!? 25.Rh5 b5–/+) 25.Qd1+= Qf5 (25...Rfe8 26.Nc2+=) 26.Qh5–/+ Qh5 27.Rh5 Bd3 (27...b5!?–/+) 28.Kg1 f5 29.f3? (29.Rc1 g6 30.Rh4 Rf6+=) 29...g6 (better is 29...b5!?–+) 30.Rh4+= b5 31.Rd4 Rfd8 32.Nb1? (better is 32.Rc1+=) 32...a5–+ Black prepares b4 33.a3 (33.Kh2 b4–+) 33...Ra8 34.Kf2 (34.Kh2 Kg7–+) 34...b4! 35.ab4 (35.ab4 ab4 Combination; 35.cb4 ab4 Combination) 35...ab4 36.Ra8 Ra8 37.cb4 Bb1 38.Rd5 Bd3 39.b5 Ra1 40.e4 fe4 41.b6 Rb1 42.Rd8 Kf7 43.Rd7 Kf6 44.Rh7 Rb6 45.Ke3 ef3 46.gf3 Re6 47.Kd4 Re2 48.Kc3 Rf2 49.f4 Kf5 50.Rh4 Rg2 0–1. Jaramillo,Carlos O (1915) – Chong Chinchay,Eric J (2065), Festival Internacional de Ajedrez, 2013.

6.Bg3 Ne4 7.Bf4 0–0 8.d3 Nf6 9.Nd2 Re8 10.Ngf3 Nd5–/+ 11.Bg3 Bf6 12.Qb3 Bc3 13.Rc1 Bd2 14.Nd2 Nf6 15.Be2 a6 16.0–0 d5 17.Rfe1 Re6 18.d4 Na5 19.Qb4 c6 20.Bh4 b5 21.Bg4 Qd6 22.Qd6 Rd6 23.Bc8 Rc8 24.Nb3 Nb3–/+ 25.ab3 Nd7 26.Re2 Re6 27.Ra2 Ra8 28.Rac2 Nb8 29.Bg3= a5 30.Ra2 Nd7 31.Rca1 h6 32.Ra5 Ra5 33.Ra5 Nf6 34.Ra7 ½–½. Hanison,Bernard – Heyn, corr 3GMM–17, 1995.

6.Bf6 Bf6

7.d4 d6 8.Bd3 0–0 9.Nd2 d5 10.Qc2 g6 11.Ne2 Ne7 12.Ng3 b6 13.a4 c5 14.Qb2 c4 15.Bc2 h5 16.e4 h4 17.Ne2 de4 18.Be4+= Nd5 19.Nc4 Re8 20.Bd5 Qd5 21.Ne3 Re3 22.fe3+/– Qg2 23.0–0–0 Bf5 24.Qd2 Qc6= 25.Rdf1 Be4 26.Rhg1 Qa4 27.Qb2 Be7 28.Kd2 Qc4 29.Nc1 Qc6 30.Nd3+= Bd6 31.Rg4 h3 32.Rf6 Bd3 33.Kd3 Qd7 34.Rg1 Re8 35.Rgf1 Qe7 36.Qf2+– Qe4 37.Kd2 ½–½. Ambrosi,Arcangelo (1975) – Foglia,Maurizio (2085), Salsomaggiore Terme op 8th, 2004.

7.d4 d6 8.Nf3 0–0 9.Be2 Re8 10.0–0 h6 11.Nbd2 Bf5 12.c4 a6 13.a3 Qd7 14.Nb3 Rab8 15.Bd3 b5 16.Qc2 Bd3 17.Qd3 Ne7 18.Rab1 Ng6 19.Rfc1 c6 20.Nbd2 a5 21.Ne4 Be7 22.d5 b4 23.ab4 ab4 24.dc6 Qc6 25.Ned2 Ne5 26.Qb3 Bf6 27.Nd4 Qd7 28.Ne4 Be7 29.Rd1 Bf8 30.Nb5 Nc4=+ ½–½. algernon (2360) – wvmaniac (2480), net–chess.com, 2007.

7.Nf3 d5 8.Be2 Bf5 9.0–0 0–0 10.Qb3 Na5 11.Qd1 Re8 12.d4 Rc8 13.h3 c5=+ 14.dc5 Rc5 15.Nd4 Be4 16.Bd3 Qb8 17.f4 Nc4–+ 18.Be4 Re4 19.Nd2 Ne3 20.Ne4 Nd1 21.Nc5? Nc3 22.Nd7 Bd4 (22...Bd4 23.Kh2 Qe8–+) 0–1. Fischer,Hermann – Byrne,Antony, THT (year?).

7.Nf3 Be7 8.d4 d5 9.Bd3 0–0 10.Nbd2 Re8 11.0–0.

7.d4 0–0

8.Bd3 d5 9.Qc2 g6 10.Nd2 Bg4 11.Ngf3 Bg7 12.0–0 Re8 13.Rfb1 Rb8 14.Rb2 Bf8 15.Rab1 Na5 16.Ne5 Bc8 17.Rb5 +/–.

8.Bd3 d5 9.Ne2 Re8 10.0–0 Ne7 11.Qc2 g6 12.Nd2 Bg7 13.Rab1 b6 14.Ng3 Be6 15.f4 f5 16.Nf3 c5 17.Bb5 Rf8 18.dc5 bc5 19.Rfd1 Qc7 20.c4 d4 (20...Rab8 21.Ng5 Bd7 22.Bd7 Qd7 23.Rb8 Rb8 24.cd5 Nd5 25.Qc5+/–) 21.ed4+= cd4 22.Nd4 Qc5 (22...Bf7!?=) 23.Qf2+/– Bf7 24.Nc6 Qf2 25.Kf2 Nc6 26.Bc6 Rac8 27.Bd5 Bd5 28.cd5 (worse is 28.Rd5 Rc4 29.Kf3 Rc3 30.Ke2 Ra3+=) 28...Rc2 29.Kf1 Ra2 30.d6 Rd8 31.Rb7 Ra6 32.Ne2 Rad6 33.Rd6 ½–½. Blechar,Michael J (2230) – Cencetti,Arthur, S70021 ICCF, 2007.

8.Bd3 d5 9.Nf3 Bg4 10.Nbd2 Rb8 11.Qc2 h6 12.0–0 Qd7 13.Rfb1 a5 14.Rb5 Rfd8 15.Re1 Be6 16.e4 Qc8 17.ed5 Rd5 18.a4 Rb5 19.ab5 +/–.

8.Bd3 d5 9.Nf3 Bg4 10.Nbd2 Rb8 11.Qc2 h6 12.0–0 Bh5 13.Rab1 Be7 14.e4 Bg4 15.Bb5 de4 16.Qe4 Bh5? 17.Bc6 +–.

8.Nf3 d5 9.Bb5 Ne7 10.0–0 (10.0–0 Bf5 11.Bd3=). makaveli1982 – lee_broker, internet, 2007.

8.Nf3 d6 9.Bd3 =.

8.Nf3 Re8 9.Bd3 d6 10.0–0 Bg4 11.Nbd2 Ne7 12.Rb1 b6 13.Qc2 g6 14.h3 Bf3 15.Nf3 c5 16.dc5 dc5 17.Bc4 Nf5 18.Qb3 Qc7 19.Rbd1 Re7 20.Rd2 Nd6 21.Bd5 Rb8 22.c4 a6 23.a4 b5 24.ab5 ab5 25.cb5 Nb5 26.Qd3 Rd7 27.Rfd1 Nc3 0–1. algernon (2555) – malvesp (2685), net–chess.com, 2014.

7.d4 d5

8.Bb5 0–0 9.Nf3 Bf5 10.0–0 Ne7 11.Bd3 Qd7 12.Bf5 Nf5 13.Qb3 c6 14.Nbd2 Nd6 15.c4 dc4 16.Nc4 Nc4 17.Qc4 Rac8 18.Rfd1 Rfe8 19.Rab1 b6 20.Rbc1 Qd5 21.Qa4 Rc7 22.Rd2 Rec8 ½–½. Exler,Martin (1665) – Wittal,Werner (1885), DESC, 2001.

8.Nf3 0–0 9.Bd3= Re8 10.0–0 Ne7 11.Nbd2 Bf5 12.Bf5 Nf5 13.Rb1 b6 14.c4 dc4+= 15.Qc2 Nd6 16.Nc4 Rc8 17.Nd6 cd6 18.Qf5 Re7 19.Rbc1 Rec7 20.Rc7 Qc7 21.Nd2 a6= 22.h3 Qc2 ½–½. Woelfelschneider,Peter (1700) – Wittal,Werner (1700), TT–02 TSC, 2002.

8.Nf3 Bg4 9.Qb3 Rb8 10.Bd3 =+.

8.Bd3 0–0

9.Nd2 Re8 10.Ngf3 Ne7 11.Qc2 Ng6 12.h4 (12.0–0 Qe7+=) 12...a6 (< 12...Nh4 13.Bh7 Kf8 14.Nh4 Bh4 15.g3+=) 13.h5 Nf8 14.Bf5 h6 15.0–0 b5 16.a4 c6 17.e4 (17.Rfe1!?=) 17...Bf5=+ 18.ef5 Qd6 19.Rfe1 Nd7 20.g3 (20.Re8 Re8 21.Nb3 Qf4=+) 20...Re7 21.Nf1 Re1 22.Re1 Nb6 23.ab5 cb5 24.Ne3 ½–½. shaip – MickeyMouse, ChessWorld.net, 2002.

9.Ne2 Re8 10.0–0 g6 11.Nd2 Ne7 12.Nf4 c6 13.Rb1 Qc7 14.Qf3 Bg5 15.Rfc1 Bf4 16.ef4 Bf5 17.g3 Bd3 18.Qd3 Nf5 19.Re1 Qd7 20.Nf1 Nd6 21.Nd2 ½–½. Blechar,Michael J (2230) – Cross,Gregory W (2020), S70021 ICCF, 2007.

9.Nf3 Be7 10.Qc2 g6 11.0–0 Re8 12.Nbd2 Bg4 13.Rab1 Rb8 14.h3 Be6 15.e4 de4 16.Ne4 a6 17.Rfd1 f6 18.Nc5 Bc5 19.dc5 Qe7 20.Nd4 Bd7 21.Nc6 Bc6 22.Re1? Qe1–/+ 23.Re1 Re1 24.Bf1?? Rd8–+ 25.Qb3 Kg7 26.a4 Rdd1 27.Qc4 Rf1 (27...Rf1 28.Qf1 Rf1 29.Kf1 Ba4–+) 0–1. dixi82 – labackna, ChessWorld.net, 2006.

7.Nf3 0–0

8.d4 d5 9.Qc2 h6 10.Bd3 Be7 11.Nbd2.

8.d4 d5 9.Bd3 Be7 10.0–0 Re8 11.Nbd2.

8.d4 d5 9.Bd3 Re8 10.Nbd2 Ne7 11.0–0 Bf5 12.e4 de4 13.Ne4 Nd5 14.Qc2 Bg4 15.Nf6 Nf6 16.Ne5 Be6 17.Rfe1 c5 18.Qa4 Qc7 19.Qa3 c4 20.Be2 a6 21.Qb2 Bd5 22.a4 Re6 23.Qb4 b6 24.Rab1 Rae8 25.f4 Rb8 26.Qa3 Re7 27.Qb4 Ree8 28.Qb2 b5 29.Qa3 Be4 30.Rb2 Nd5 31.Bh5 Bg6 32.Bg6 hg6 33.ab5 ab5 34.Rbe2 Nf4 35.Re3 f6 36.Nf3 Re3 37.Re3 Qc6 38.Qb2 Re8 39.Qd2 Nd5 40.Re1 Re1 41.Qe1 Kf7 0–1. michaelbuss – marekt, ChessWorld.net, 2004.

8.d4 d6 9.Bd3 Re8 10.Nbd2 h6 11.0–0.

8.d4 Re8 9.Bd3 h6 10.Nbd2 d5 11.0–0.

5.e3 d5

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 d5 5.c3 Be7).

6.d4 (--> 5.d4 d5 6.e3).

5.e3 d6

6.Bf6 gf6 7.Nf3 +=.

6.Bg3 Be6 7.d4 0–0 8.Bd3 c5 9.Nd2 d5 10.Rb1 c4 =.

6.Bg3 Bf5 7.d4 a6 8.Bd3 Bd3 9.Qd3 0–0 10.Nf3 Nbd7 =.

6.Bf6 Bf6

7.Bb5 c6 8.Ba4 0–0–/+ 9.Nf3 Qe7 10.0–0=+ d5 11.d3 Re8 12.Re1 b5 13.Bb3 Bg4 14.d4 Nd7 15.Na3?? a5 16.Rb1?? Qa3–+ 17.Qd2 Bf3 18.gf3 Qd6 19.f4 Bh4 20.Qd3 Re6 21.a4 b4 22.Re2 Nf6 23.c4 dc4 24.Bc4 Re7 25.f3 c5 26.d5 Nd7 27.f5 Ne5 28.Qc2 Nf3 29.Kh1 Rae8 30.Rf1 Ne5 31.Bb5 Rd8 32.Rd1 Rc7 33.Qe4 Bf6 34.Rc2 Re7 35.Rg2 Nd7 36.Rdg1 Re4 37.Rg7 Bg7 38.Rg3 Qd5 39.Bd7 Re3 (39...Re3 40.Kg1 Rg3 41.hg3 Qd7 42.Kf1 Qf5 43.Ke2 Re8 44.Kd2 Bc3 45.Kc1 Re1#) 0–1. Kientzler – Hasler,Ulrich, CiF, 1990.

7.Qc2 Be6 8.d4 c5 9.Bd3 c4 10.Bf5 Qd7 =.

7.d4 0–0 8.Nd2 g6 9.Ne2 b6 10.Nf4 Bb7 11.Bd3 Nd7 12.0–0 Bg7 13.a4 Bh6 14.a5 Bf4 15.ef4 Qh4 16.f5 Nf6 17.a6 Bc6 18.Nf3 Qg4 19.fg6 hg6 20.Be2 Rae8 21.c4 Nh5 22.h3 Qf5 23.Nh4 Qf6 24.Bh5 Qh4 25.Bg4 f5 26.Be2 Rf7 27.d5 Bd7 28.Re1 Rfe7 29.Qd2 Bc8 30.Bd3 Qd4 31.Red1 Kg7 32.Qc1 Qf6 33.Qf4 Bd7 34.Qg3 f4 35.Qf3 Bc8 36.Bc2 Bd7 37.Kh2 Re2 38.Bd3 R2e7 39.Ra2 Qh4 40.Rb1 Bc8 41.Raa1 Qf6= 42.Rd1 Qh4 43.Rdb1 Qf6 44.Rd1 Qh4 45.Rdb1 Qf6 46.Rd1 Qh4 47.Rdb1 ½–½. Maetz,Erich – Bliss,Helmut, BdF, 2000.

7.d4 0–0 8.Bd3 d5 9.Ne2 Re8 10.Nd2 (10.0–0 Qd6=) 10...b6 (10...Qd6 11.Qc2 h6 12.0–0=) 11.0–0 c5 12.Nf4 Ba6 13.Nf3 c4 14.Bc2 Bb7 (14...Qd6 15.Qb1 h6 16.Re1=) 15.Nh5 (15.Nd2 Bg5=) 15...Nd7 (15...Be7 16.Nd2=) 16.Nf6 Qf6 17.Nd2 Qd6 18.Qf3 Rab8 19.Rfe1 (19.a3 Nf6=) 19...Qa3 20.Bh7 Kh7 21.Qf5 Kg8 22.Qd7 Qc3 23.Nf3 Qa3 24.Ne5 (24.Qf5 Qe7=) 24...Re7 25.Qf5 Rc8 26.Rec1 Rcc7 27.Rc2 (27.Qh5 b5=) 27...Re6 (27...b5 28.Rb1 b4 29.Qf3=) 28.Rac1 (28.Rb1 a6=) 28…b5 0–1. Dubleumortier,Alain – Luzuriaga,Norberto Horacio, corr SOK–98–132, 1998.

7.d4 0–0 8.Nf3 c6 9.Bd3 Bg4 10.0–0 Nd7 11.Nbd2 Qc7 12.Qc2 g6 13.a4 Bg7 14.Rab1 b6 15.c4 Rac8 16.h3 Bf3 17.Nf3 c5 18.d5 Rfe8 19.Rfe1 Ne5 20.Ne5 Re5 21.Be2 Rce8 22.Bf3 f5 23.Rec1 Qe7 24.Qd2 Bh6 25.Kf1 Qh4 26.Re1 Qc4 0–1. algernon (2555) – jromero (2680), net–chess.com, 2014.

7.d4 c5 8.Nf3 Be6 9.Bd3 c4 10.Bc2 d5 11.0–0 b5 (11...Qa5!?+=) 12.a4= ba4 13.Ba4 Bd7 (better is 13...Nd7!?+=) 14.Nbd2+/– 0–0 15.e4 de4 (15...Ba4 16.Qa4 Nd7 17.Rfb1+–) 16.Ne4 Bc6 17.Bc6 Nc6 18.Ra6 Na5? (better is 18...Qd5 19.Nfd2 Bh4+/–) 19.Qa4 Nb7 20.Rb1 Qc7 (20...Rb8 21.Re1+– (21.Nf6?! gf6 22.Qc4 Nd6+–)) 21.Ra7 (21.Ra7 Nc5 A) 22.Ra8?! Na4 23.Ra4 Qc6+=; B) 22.Nf6?! gf6 23.Rc7 Na4+/– (23...Ra4?? 24.Rc5 h6 25.g3+–); C) 22.Rc7 Na4 23.Rc4+– (23.Nf6?! gf6 24.Rc4 Rfc8 25.Rc8 Rc8+–)) 1–0. Schlaeger,Michael (2270) – Stegmann,Martin (1700), remoteschach.de, 2007.

7.d4 Be6 8.Nf3 c5 9.d5 Bg4 10.h3 Bf3 =.

7.Be2 c5 8.Nf3 0–0 9.0–0 Nc6 10.d4 d5 11.Qc2 cd4 12.ed4 Qe7 13.Re1 Be6 14.Nbd2 Rac8 15.Nb3 b6 16.Qd2 Rfd8 17.Bd3 Qd6 18.Ng5 Bg5 19.Qg5 h6 20.Qd2 Ne7 21.a4 a5 22.Qe3 Nf5 23.Qd2 Qc6 24.Rec1 Nd6 25.Rc2 Rc7 26.Nc1 Re8 27.Ne2 Bf5 28.Bf5 Nf5 29.Qd3 Rce7 30.Raa2 Qg6 31.g3 Qg4–/+ 32.Kg2?? g6 33.Ng1=+ Re1 34.h3. Ribitzki,Matthias – Geisel, corr Lvov jub, 1986.

7.Be2 c5 8.Nf3 0–0 9.0–0 Nc6 10.d4 d5 11.Qc2 Re8 12.Bd3 g6 13.Qb2 b6 14.Nbd2 Bg4 15.h3 Bf3 16.Nf3 ½–½. Dobrzycki,B – Bothe,E, corr SOK–95–111, 1995.

7.Nf3 0–0 8.d4 c5 9.Bd3 d5 10.dc5 Nd7 =.

7.Nf3 Bg4 8.Be2 Nc6 9.h3 Bh5 10.g4 Bg6 11.Qa4 0–0 12.h4 Qd7 13.d3 a6 14.h5+/– Bd3 15.Bd3+– b5 16.Qe4 g6 17.g5 Bg7 18.hg6 fg6 19.Qh4 Rf3 20.Qh7 Kf7 21.Qg6 Kg8 22.Nd2 Ne5 23.Qh7 Kf7 24.Nf3 Nf3 25.Ke2 Ng5 26.Qg6 Kg8 27.Qg5 1–0. willi_weizenkeim – Iron_Flower, HCL–C2398 playchess.de, 2003.

6.Bg3 0–0

7.d4 c5 (--> 5.d4 d6 6.Bg3 0–0 7.e3 c5).

7.d4 Nc6 8.Nf3 Bg4 9.Nbd2 Qd7 10.Bd3.

7.d4 d5 8.Nf3 Bf5 9.Bd3 Be4 10.0–0 Nc6 =.

7.Be2 Nbd7 8.Nf3 Ne4 9.Bf4 Nb6 10.Qc2 Nf6 =.

7.Nf3 a6 8.h3 b5 9.Be2 Bb7 10.0–0 c5 11.a4 ba4 12.Qa4 Qc7 13.d3 Bc6 14.Qc2 Nbd7 15.Nbd2 Rfe8 16.d4 a5 17.Bd3 d5?? 18.Bh4 (18.Bh4 c4 19.Be2=+; better is 18.Bc7 Ra7 19.Ba5+–) 1–0. Hirt,Robert – Puls,Georg, corr DDR, 1988.

7.Nf3 Nc6 8.d4 d5 9.Bd3 Ne4 10.Nfd2 f5 =.

7.Nf3 Nc6 8.Bh4 Be6 9.Ng5 Ne5 10.Ne6= fe6 11.Qb3 Nd5 12.Bg3 b6 13.d4 Ng4 14.h3 Ngf6?? 15.c4+– Nh5 16.cd5 Ng3 17.fg3 Rf6 18.Be2 Rg6 19.Bf3 Rg3 20.Nd2 Bh4 21.de6 Rf3 22.Kd1 Re3 23.Qe3 Bg5 24.Qf3 Bf6 25.Rf1 Qe7 26.Qa8 (26.Qa8 Qf8 27.Qf8 Kf8 28.d5+–) 1–0. algernon (2155) – alexp (2505), net–chess.com, 2003.

5.e4 0–0

6.Qf3 Nc6 7.Bf6 gf6 8.d4 +/–.

6.Qf3 Nc6 7.Bf6 Bf6 8.d4 Re8 9.Be2 d5 10.ed5 Ne7 11.Bb5 Bd7 (Better is 11...c6!? 12.dc6 bc6=+) 12.Bd7= Qd7 13.Ne2 Qd5 14.Nd2 Qf3 15.Nf3 Nd5 16.Kd2 c5 17.dc5 Rac8 18.Rab1 Rc5 19.Rb7 Nc3 20.Nc3 Bc3 21.Kc2 Be1 (21...g5 22.Kb3 (22.Ra7 Be5 23.Kd3 Rd8 24.Ke4 f5 25.Kf5 Bb8 26.Kg4 Rc4 27.Kh5 Ba7–+) 22...g4 23.Ng5–/+) 22.Kb3 Bf2 23.Rf1 (23.Ra7?? Rb8 24.Ka4 Rc4 25.Ka5 Ba7–+) 23...Be3 24.Nh4 Rd8 25.Nf5 Bd2 26.Ne7 Kf8 27.Ng6 hg6 28.Rff7 Kg8 29.Rg7 Kh8 30.Rh7 Kg8 31.Rhg7 Kf8 32.Rgf7 Kg8 33.Rg7 Kh8 34.Rh7 Kg8 35.Rhg7 Kf8 36.Rgf7 Kg8 37.Rg7 Kh8 ½–½. orane (1945) – Caissa (1755), Live Game Caissa's Web, 2003.

6.Qf3 Nc6 7.Bf6 Bf6 8.d4 Re8 9.Be2 d6 10.Nd2 Bd4 (Better is 10...Bg5!?=+) 11.cd4+= Nd4 12.Qd3 c5 13.Ngf3 Ne2 14.Qe2 d5 15.e5 d4 16.0–0 Bg4 17.Qd3 Rc8 18.Rac1 a6 19.Nc4 Re7? (Better is 19...Rc7!? 20.Rfe1 b5+/–) 20.Ng5+– g6 21.Nd6 Rcc7 22.Qg3 Be2 23.Rfe1 d3 24.Qh4 h5 25.Nge4 Qf8 26.Qg5 Re6 27.Rc5 Rc5 28.Nc5 Rd6 29.ed6 Qd6 30.Nb3 Qb4 31.Rb1 b5 32.Qf6 Qc4 33.Rc1 d2 34.Qd8 Kh7 35.Qd2 Qe6 36.Re1 h4 37.Re2 1–0. kamret (2165) – Ms.Felengy (1885), GameColony.com, 2003.

6.Qf3 d5 7.ed5 Re8 8.Bb5 Nbd7 9.Bf6 Bf6 10.Ne2 Ne5 11.Qe4 c6 12.dc6 bc6 13.f4 Rb8 14.fe5 cb5 15.d4 Bb7 16.Qf4 Qe7 17.0–0 Bg5 18.Qf2 Qc7 19.Qg3 Qe7 20.a4 a6 21.ab5 ab5 22.Ra7 h6 23.Na3 b4 24.Nb5 bc3 25.Nec3 Qb4 26.Qf2 Bc6 27.Qf7 Kh8 28.Qg7 1–0. kamret (2170) – kabieces (2265), GameColony.com, 2003.

6.Qf3 d6 7.Bf6 Bf6 8.Bc4 c5 9.Qe3 Qb6 10.Bb3 a5 11.Na3 a4 12.Bd1 Qb2 13.Nc2 Be6 14.Nh3 Ba2 15.Nf4 Bg5 16.d4 Bb3 17.Rc1 f5 18.ef5 Bf4 19.Qf4 Qc3 20.Qd2 Qd2 21.Kd2 b5 22.Ne3 cd4 23.Bb3 ab3 24.Nd5 Nd7 25.Kd1 Ra2 26.Rf1 Ne5 27.Nb4 Rb2 28.Nd5 Nc4 29.f6 Re8 30.Rc4 bc4 31.Kc1 0–1. Fritz 6 – Fritz 5.32, 2002.

6.Qf3 d6 7.Bf6 Bf6 8.Ne2 Nc6 9.d4 Ne7 10.Nd2 Ng6 11.Rb1 b6?? (Better is 11...Re8=+) 12.e5!+– de5 (12...Be5 13.Qa8) 13.Qa8 ed4 14.Ne4 (Better is 14.cd4!? Re8 15.Nb3+–) 14...d3+/– 15.Rd1 Qe7 16.Rd3 Bf5 17.Nf6 Qf6 18.Qd5 Bd3 19.Qd3 Ne5 20.Qe3 Rd8 21.Nd4 c5+= 22.Nb3 Ng4 23.Qf3 Qe6 24.Be2+/– Ne5 25.Qe4 f6 26.f4 Qg4?? 27.Bg4 1–0. b4_player (2225) – danieli, GameColony.com, 2003.

6.Qf3 d6 7.Bf6 Bf6 8.Ne2 Re8 9.Ng3 =+.

6.Bf6 Bf6

7.d4 d6 8.Nd2 c5 9.Ngf3 Nc6 Black fights for the Initiative 10.d5 Ne5 11.Ne5 Be5 12.Rc1 f5 13.Bd3 Qg5 14.g3 Qf6 15.c4 Bc3 16.0–0 f4 17.Kh1 Be5 (17...Bh3 18.Rg1 fg3 19.Rg3–/+) 18.Qh5=+ Qe7 19.Nf3 g6 20.Qg5 Bf6 21.Qh6 Bg4 22.Qf4 Bf3 23.Qf3 Bb2 24.Qg2 Bc1 25.Rc1 Rae8 26.f4 Qg7 27.Rd1 g5 28.Rg1 Kh8 29.Qc2 Qd4 30.e5 de5–+ 31.fg5 Rf2 32.Qb3?? Ref8 33.g6 Qg4 34.g7 Kg7 35.Bf1 Qe4 36.Bg2 Rg2! 37.Qb7 Kg8 38.d6 Rg1 0–1. b4_player (2055) – Doesjka (2050), GameColony.com, 2002.

7.d4 d6 8.Bd3 c5 9.d5 Qb6 10.Qb3 Na6 11.Ba6 Qa6 12.Nd2 Bd7 13.Rb1 Ba4 14.Qb2 Qd3 15.Ne2 Rfe8 16.h4 b6 17.Rh3 Qc2 18.Qa3?? Re4!–+ 19.Rc1?? Re2! 20.Ke2 Bb5 21.c4 Bc4 22.Ke3 Re8 (23.Kf4 Be5 24.Kg4 h5 25.Kf3 Qf5 26.Ke3 Qf4#) 0–1. Bestia02c – WbNimzo2000b, computer chess game, 2000.

7.d4 d6 8.Bd3 c5 9.d5 Qb6 10.Qb3 Na6 11.Ba6 Qa6 12.Nd2 Bg4 13.h3 Bh5 14.f3 Bh4 15.Kd1 Rfe8 16.Rb1 Rab8 17.Ne2 Bg5 18.Nc4 b5 19.Qa3 Rb6 20.Qa6 Ra6 21.Rb5 Ra2 22.Nd6 Rd8 23.Nb7 Rb8 24.Rh2 f5 25.h4 Be8 26.Ra5 Rd2 27.Ke1 Be3 28.Ra7 Rb2 29.Kd1 R8b7 30.Rb7 Ba4 31.Ke1 Rb7 32.Nc1 Bc1 33.g4 Rb1 34.Ra2 Bg5 35.Kf2 Bh4 36.Ke3 fe4 37.fe4 Re1 38.Kf4 Rf1 39.Ke3 Bg5 40.Kd3 Bb5 41.c4 Rf3 42.Kc2 Bc4 43.Ra8 Kf7 44.Ra7 Kg6 45.Rc7 Bd3 46.Kb3 Be4 47.Kc4 Bf6 48.Kc5 Rc3 49.Kd6 Rc7 50.Kc7 Kg5 51.d6 Kg4 52.d7 h5 53.Kc8 h4 (54.d8Q Bf5 55.Kc7–+) 0–1. Bestia02c – Bionic401, computer chess game, 2000.

7.d4 Re8

8.Nd2 d5 9.e5 Nc6 10.Rb1 Ne5 11.de5 Be5 12.Be2 Qg5 13.Ngf3 Qg2 14.Rg1 Qh3 15.Ne5 Re5 16.Rb3 Bg4 17.f3 Qh4 18.Rg3 Rae8 19.Kf1 Re2 20.fg4 Qh2 21.Qe2 Re2 (22.Ne4 de4 23.Rb7 Qf2#) 0–1. Bestia02c – Amyan125, computer chess game, 2000.

8.Bd3 c5 9.dc5 d5 10.cd6 Re6 11.d7 Qd7 (11...Nd7 12.Bc2=+) 12.Qe2 Rd6 13.Bc4 White gets the initiative 13...Qg4 (13...Nc6 14.Nf3=) 14.Qg4+= Bg4 15.Nf3 (15.f3 Bd7+=) 15...Bf3 (15...Nc6 16.Bb3=+) 16.gf3= Nd7 17.f4 Rc6 18.Bd5 Rc3 19.Nc3 Bc3 20.Ke2 Ba1 21.Ra1 Rb8 22.e5 Nb6 23.Be4 Nc4 24.Rd1 b5 25.Rd7 a5 26.Bd5 Rf8 27.Bc4 bc4 28.Rc7 Rb8 29.Ke3 g5 30.fg5+– Rb2 31.a3 Ra2 32.Rc4 Ra3 33.Kd4 Ra2 34.f4+– a4 35.Kc3 Kg7 36.h4 Kf8 37.f5+– Ra3 38.Kb4 Re3 39.Ka4 Re5 40.f6 Ke8 41.Kb4 Kd7 42.Kc3 Kd6? 43.Kd3 Rd5? 44.Ke3+– Ke6 45.Kf4 Rf5 46.Kg4 Rf1 47.Kh5 Kd6 48.Kh6 Rh1 49.Kh7 (The passed pawn on h4 quickly leads to threats) 49...Kd5 50.Ra4 Ke6 51.Kg7 Rh2 52.Re4 Kf5 53.Ra4 Ke6 54.Kf8 Rh1 55.Ra6 Kf5 56.Ra4 Kg6?? 57.Rf4 Rd1 58.Re4 Rb1 59.h5 Kh5 60.Re7?? Kg6= 61.Rf7?? Rb8–+ 62.Ke7 Rb7 0–1. themonkey – jaju, GameColony.com, 2002.

8.Bd3 d5 9.e5 c5 10.Ne2 c4 11.Bc2 =+.

8.Bd3 d5 9.e5 Nd7 10.Nf3= Be7 11.0–0 Nf8 12.Nbd2 Qd7 (12...c6 13.Qc2=) 13.c4 (13.Qc2 Qg4=) 13...c6 (13...dc4 14.Bc4 Ne6 15.Qb3=) 14.Rb1 dc4 15.Bc4 (15.Nc4 Rd8=) 15...Qg4 16.Qb3 (16.d5 Ng6 17.d6 Nf4=) 16...Ne6=+ 17.h3 Qg6 18.Bd3 Qh5 19.Rfe1 Nf4–/+ 20.Bf1 Bf5 21.Qb7 Bb1 22.Rb1 Qg6 23.g3 Nd5 24.Rc1 Rec8 25.Ba6 Ba3 26.Rc4 Nb6 27.Rc3 Bb4 28.Rb3 Bd2 29.Nd2 Qc2 30.Rf3 Qa2 31.Nb3 Rf8 32.Bd3 Qa4 33.Be4 Rac8 34.Kg2 h6 35.g4 Qc4 36.Qa7 Rb8 37.Bd3 Qd5 38.Bc2 c5 39.Nc5 Qd4 40.Na4 Qe5 41.Nb6 Qc5 42.Bb3 Qb6 43.Bf7 Kh8 44.Qe7 Qc6 45.Qe5 Rb5 46.Qe7 Rfb8 47.Kg3 R5b7 48.Qe5 Rd8 49.Rf5 Qc1 50.Kh4 Rbb8 51.f4–/+ Qd2 52.Rf6+/– Rb6 53.Be6 gf6 54.Qf6 Kh7 55.Bf5 Kg8 56.Qb6 Rd6 57.Qb8 Kf7 58.Qb7 Kf6 59.Qe4 Qd4 60.Qf3 Qc4 61.Qf2 Qc3 62.Qe2 Qd4 63.Qf3 Qd5 64.Qg3 Rd8 65.Qe3+/– h5 66.Be4 Qd4=+ 67.g5 Kg7 68.Qf3 Re8 69.Bc2 Rf8 70.Kh5 Rf4 71.Qb7 Rf7 72.Qc6 Qe5 73.Bd3 Qd4 74.Bf5 Qd1= 75.Bg4 Qd3 76.Qh6 Kg8 77.Qg6 Qg6 78.Kg6 Rg7 79.Kf5 Rg5 80.Kg5 Kg7 81.h4 Kg8 82.h5 Kg7 83.h6 Kg8 84.Bf5 Kh8 85.Kf6 Kg8 86.Be4 Kh8 87.Ke7 Kg8 88.Kf6 Kh8 89.Ke7 Kg8 ½–½. Caissa – orane, Live Game Caissa's Web, 2003.

8.Bd3 d5 9.e5 Nd7 10.Nf3 Be7 11.0–0 Nf8 12.Nbd2 Qd7 (12...c6 13.Qc2=) 13.c4 c6 14.Rb1 dc4 (14...Qe6 15.c5=) 15.Bc4 (15.Nc4 Rd8=) 15...Qg4 16.Qb3 (16.d5 Ng6 17.h3 Qh5=) 16...Ne6=+ 17.h3 Qg6 18.Bd3 Qh6 19.Bc4 b5 20.Be6 Be6 21.Qc2 Bd5 22.Ne4 Rad8 23.Rfe1 b4 24.Re3 Qg6 25.Rbe1 a6 26.Qa4 a5 27.Kh1 Rb8 28.R1e2 Ra8 29.Re1 Red8 30.Qc2 a4 31.Qb1 Kh8 32.Rc1 Rab8 33.Qc2 b3 34.ab3 ab3 35.Qd3 b2 36.Rce1 Ba2 37.Nfd2 c5! 38.f4 Rd4 39.Qf1 Qf5 40.g4 Qd7 41.Nb1 Bh4 42.Ng3 Rb3 43.Rb3 Bb3 44.Qf2 Rd3 45.Rg1 Bg3 46.Rg3 Rg3 47.Qg3 Qd1 48.Kh2 Bd5 49.Qg1 Qc2 50.Kg3 Qc1 51.Kf2 Qf4 52.Ke1 Bc4 53.Nd2 Qe5 54.Kf2 Qd4 55.Kf3 Qg1 56.Nc4 Qf1 57.Kg3 b1Q 58.Ne3 Qbe1 59.Kh2 Qg1# 0–1. Caissa – orane, internet live, 2003.

8.Bd3 d6 9.Nd2 c5 10.Bb5 Nc6 11.Ngf3 cd4 12.cd4 Bg4 13.Qa4 Bf3 14.Bc6 (14.gf3!? Bd4 15.Rc1–/+) 14...Bg2–+ 15.Be8 Bh1 16.Bb5 Qe7 17.f3 Bh4 18.Ke2 Qg5 19.Kd3 Bg2 20.Bc4 Bf2 21.Qd7 Rf8 22.Qg4 Qe3 23.Kc2 Qd4 24.Qg2 b5 25.Rf1 Be3 26.Bb5 Qc5 27.Nc4 Qb5–+ 28.Ne3?? Rc8 29.Kd2 Qb2 30.Ke1 Rc1 31.Nd1 Qg2 –/+. b4_player (2090) – Moxica (2115), GameColony.com, 2002.

5.e4 c6

6.Qb3 0–0!? 7.Bf6 Bf6 =+.

6.Qb3 Qb6 7.d3 0–0 8.Qb6 ab6 9.c4 (9.Nf3 d5 10.Bb8 de4 11.de4 Rb8=) 9...d6 10.Bc3 Nfd7 11.Nf3 Bf6 12.d4 c5 13.Be2 g6 (13...Re8 14.dc5 bc5 15.Bd3=+) 14.0–0 cd4 (Better is 14...Re8!? 15.Re1 Nc6 16.dc5 bc5 17.Bf6 Nf6=+) 15.Nd4+/– Nc6 16.Nb5 (16...Be7 17.Nc7+/–) 1–0. Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

6.d4 d6 7.Bf6 Bf6 8.Bd3 Be6 9.Ne2 0–0 10.0–0 Nd7 11.Nf4 Nb6 12.a4 d5 13.a5 de4 14.Ne6 fe6 15.Be4 Nd5 16.Bc2 c5 17.dc5 Rc8 18.a6 Qd7 19.Ra2 Qf7 20.ab7+= Qb7 21.Qg4 Qf7 22.Ra5 g6 23.Bb3 Rc7 24.Ra6 Rc5 25.Re6 Qb7 26.Nd2 Bg7 27.Rd6 Rf5 28.Ne4 Ra5 29.Qd1 h5 30.Rd8 Kh7 31.Nd6 Qe7?? 32.Nf5 Qd8 33.Ng7 Kg7 34.c4 Qb6 35.cd5 Ra6 36.Bc4 Ra5 37.Re1 Qb2 38.d6 Rf5 39.Re2 Qc3 40.d7 Rf8 41.Re8 Qf6 42.Rf8 Qf8 43.d8Q Qd8 44.Qd8 h4 45.f4 g5 46.fg5 Kg6 47.Qf6 Kh7 48.Qh6# 1–0. Taulien,Hans_Juergen – Tiedemann,Joern, remoteschach.de, 2002.

5.e4 Nc6

6.Bg3 Ne4 7.Ne2 0–0 8.d3 Ng3 9.Ng3 Re8 10.Be2 d5 11.0–0 Bf6 12.h3 d4–+ 13.c4 Qe7 14.Nd2 Bh4 15.Nf5?? Bf5 16.Re1 Ne5 17.Nf3 Nf3 18.Bf3 Qe1 19.Qe1 Re1 20.Re1 Kf8 21.Bb7 Re8 22.Rd1 Re2 0–1. gtate (2055) – cabal (1980), 2006.

6.Bf6 Bf6

7.Bc4 0–0 8.d4 d6 9.Nd2 Na5 10.Be2 c5 11.Ngf3 Re8 12.Bb5 Bd7 13.Bd7 Qd7 14.0–0 Nc6 15.d5 Ne5 16.Rb1 b5 17.Ne5 Be5 18.Qc2 g6 19.f4 Bg7 20.g3 a5 21.f5 Be5 22.fg6 hg6 23.Nf3 b4 24.Ne5 Re5 25.cb4 ab4 26.Rf4 Qa4 27.Rb2 Qc2 28.Rc2 Rae8 29.Rf6 Rd8 30.Rf4 Kg7 31.Kf2 Rde8 32.Kf3 Ra8 33.h4 Ra3 34.Kf2 Rd3 35.Re2 f6 36.Rf3 Rd4 37.a4 ba3 (37...Rde4 38.Re4 Re4–+) 38.Ra3 Rde4 39.Re4 Re4 40.Ra6 Rd4 41.Rd6 f5 42.Ke3 Rg4 43.Kf3 Kf7 44.Rd7 Kf6 45.Rc7 c4 46.d6 Ke6 (47.d7 Ke7=+) =+. pozarski (2075) – SPANOS (2000), GameColony.com, 2002.

7.Bc4 Ne5 8.Be2 d5 9.d4 Ng6 10.Nd2 Nf4 11.e5 Be7 12.Bf1 0–0 13.g3 Ne6 14.Bd3 c5 15.Ngf3 Re8 16.Bb5 Bd7 17.Qa4 Bb5 18.Qb5 Rb8 19.0–0 ½–½. COMP – Benassi,Aspasio, 2001.

7.d4 0–0 8.Bd3 d5 9.e5 Be7 10.Nd2 a6 11.Rb1 f6=+ 12.f4 fe5 13.fe5 Bh4 14.g3 Bg5 15.Qc2 g6 16.Ngf3 Bd2 17.Nd2 Qg5 18.Nf1 (18…b5 19.a4+=). Jacewicz,Grzegorz – Landgraf,Manfred, corr 3GMM–30, 1995.

7.d4 0–0 8.Bd3 d6 9.Nf3 Bg4 10.Qb3 Na5 11.Qb2 b6 12.Nbd2 Re8 13.0–0 h6 14.Rfe1 Bg5 15.h3 Bd2 16.Nd2 Be6 17.d5 Bd7 18.Nb3 Nb7 19.Ba6 Nc5 20.Nc5 dc5 21.Qe2 Qg5 22.Qe3 Qg6 23.Bd3 Qf6 24.e5 Qh4 25.Qe4 Qe4 26.Be4 Rad8 27.f4 g6 28.Kf2 Kg7 29.g4 Bc8 30.a3 Bb7 31.c4 Ba6 32.Rac1 Bc8 33.Rcd1 Kf8 34.Re3 a6 35.Kf3 a5 36.Re2 Ba6 37.Bd3 Ke7 38.f5 g5 39.f6 Kd7 40.Bf5 1–0. pozarski (2070) – PVI (1745), GameColony.com, 2002.

7.d4 d5 8.e5 Be7 9.Bd3 0–0 10.Nd2 f6 11.f4 fe5 12.fe5 Bf5 13.Bf5 Rf5 14.Qb1 Qc8 15.Ngf3 b6 16.0–0 Qd7 17.Qd3 Raf8 18.Qa6 g6 19.Rae1 Kg7 20.Re3 Qc8 21.Qc8+/– Rc8 22.c4 Nb4 23.a3 Nc2 24.Rc3 Na3 25.cd5 Bb4 26.Rc6+/– Bd2 27.Nd2 Rf1 28.Nf1 Nb5+= 29.d6 Rf8 30.dc7 Nd4 31.Rf6 Rc8 32.Rd6 Nb5 33.Rd7 Kh6 34.e6 Nc7 35.e7 Ne6 36.Rd6 Ng7 37.Rd8 Rc6 38.e8Q Ne8 39.Re8 ½–½. Jacewicz,Grzegorz – Steinmann,Joachim, corr 3GMM–30, 1995.

7.d4 d6 8.Bb5 (8.Bd3 0–0 9.Ne2 Re8=) 8...0–0 9.Bc6 bc6 10.Ne2 (10.Qf3 Re8=+) 10...Re8 11.Qd3 a5 12.0–0 Ba6 13.Qe3 Qe7 (13...c5 14.d5=+) 14.Nd2 Rab8 15.Rfb1= Rb1 16.Rb1 h6 17.c4+= Bg5 18.f4 Bf6 19.Qc3 c5 20.Qa5 Bc8 21.dc5+/– dc5 22.e5 Bf5 23.Re1+– Bh4? 24.g3 Qd7 25.gh4 Bg4 26.Ng3 Qd4 27.Kg2 Qf4 28.Re4 Bf3 29.Nf3 Qc1 30.Qc5 Qc2 31.Re2 Qd3 32.Qc7 1–0. kamret (2180) – motvals (2065), GameColony.com, 2003.

7.Nf3 d6 8.d4 0–0 9.Bd3 Bg4 10.h3 Bh5 11.g4 Bg6 12.h4 Re8 13.Qc2 d5 14.Nbd2 de4 15.Ne4 Qd5 16.Nfd2 Rad8 17.0–0? Bh4–/+ 18.f3? Ne5 19.Nc5? Nd3–+ 20.Nd3 c5! 21.Qb1 cd4 22.Nf4 Bb1 23.Nd5 Bd3 24.Rfc1 Rd5 25.c4 Rdd8 26.c5 Bg5 0–1. tycho – cccmember, HCL–A1650 playchess.de, 2003.

5.e4 d5

6.Qa4 Qd7 7.Qd7 =.

6.ed5= Qd5 7.Bc7 0–0 8.d4 Re8 9.Ne2 Bf5 10.Nd2 Nc6 11.Qb3 Qd7 12.Bf4 Nd5 13.Be5 Ncb4?? 14.cb4+– Nb4 15.Qg3 f6 16.Bf6 Nd3=+ (17.Kd1 Bf6=+). Jacewicz,Grzegorz – Rohde,Friedhelm, corr 3GMM–28, 1995.

6.ed5 Qd5 7.Bc7 0–0 8.Nf3 Na6 9.Ba6 =.

6.ed5 Qd5 7.Bc7 Na6 8.Bg3 0–0 9.Nf3 Re8 10.Ba6 ba6 11.0–0 Qb5 12.Qc1 Bb7 13.Ne5 Qd5 14.Nf3 Qh5 15.Ne5 Ne4 16.d4 Rac8 17.Re1 Ng3 18.hg3 f6 19.Nd3 Bd6 20.Nd2 Qd5 21.Re8 Re8 22.Nf3 Qf5 23.Nde1 Re2 24.c4 a5 25.c5 Bc7 26.c6 Ba6 27.a4 Qe6 28.Qc3 Bc4 29.Rc1 Bd5 30.Qc5 Ra2 31.Qa7 Qd6 32.Qa8 Kf7 33.Qb7 Ra4 34.Nd3 Ra3 35.Nde1 Rb3 36.Qa6 Rb8 37.Rc5 Kg8 38.Nc2 Kh8 39.Nd2 Bf7 40.Rc3 Qd8 41.Qd3 Bg6 42.Qe3 Qd6 43.Rc4 Re8 44.Qc3 Bf7 45.Rc5 a4 46.Nc4 Qe7 47.Qb4 Rb8 48.Qa4 Rb1 49.Kh2 f5 50.Ne5? Qf6–+ 51.Nf7 Qf7 52.Qa8 Bb8 53.Qb8 Rb8 54.f3 Qg6 55.g4 Qd6 56.Kg1 Qg3 57.Na3 fg4 58.c7 Rc8 59.Rf5 g6 60.Rf7 Kg8 61.Nc4 Kf7 62.Ne5 Ke6 63.Kf1 Rc7 (64.Nc6 Rc6 65.Ke2 Qg2 66.Kd3 Rc2 67.d5 Kd5 68.fg4 Qe4#) 0–1. Bestia02c – CometB27, computer chess game, 2000.

6.ed5 Qd5 7.Bc7 Na6 8.Bg3 0–0 9.Nf3 Bg4 10.Ba6 ba6 11.d4 Qe6 12.Kf1 Ne4 13.Kg1 Rfc8 14.Qe1 Bf5 15.Bf4 g5 16.Bd2 Rab8 17.Qe3 g4 18.Ne5 Bg5 19.f4 gf3 20.Qf3 Qa2! 21.Ra2 Rb1 22.Qf1 Nd2 23.Rd2 Rf1 24.Kf1 Bd2 25.Ke2 Bc3 26.Ke3 f6 27.Nf3 a5 28.d5 a4 29.Kf4 Bg6 30.d6 a3 31.d7 Rd8 32.Nh4 Rd7 33.Nf5 Be5 34.Ke4 Rd4 35.Ke3 Bf5 36.g4 Rg4 0–1. Bestia02c – CometB23_3, computer chess game, 2000.

6.ed5 0–0

7.c4 c6 8.Nc3 cd5 9.cd5 Nbd7 10.Bd4 Bc5 11.Be3 a6 12.Nge2 b5 13.Rb1 Re8 14.d4 Bd6 15.g3 Nb6 16.Bg2 Bf5 17.Rb3 b4 18.Nb1 Rc8 19.Rb2?! Nc4 20.Rd2 Ng4 21.Bf4 Bf4 22.Bf3 Bb1 23.gf4 Qh4 24.Bg4 Qg4 25.Rc2 Bc2 26.Qc2 Na3 27.Qd1 Rc1! 28.Rg1 Qe2 0–1. Caissa – orane, Caissa.com, 2005.

7.Bc4 Nd5 8.Qf3 Be6 9.Qg3=+.

7.Bc4 Nbd7 8.d4= Nb6 9.Bd3 Ng4 10.c4 Bb4 11.Kf1 Ne5 12.de5 Re8 13.Nf3 Nd7 14.a3 Bc5 15.Qe2 Ne5–/+ 16.Ne5 Qf6 17.Qc2 Qe5 18.Nc3 Ba3 19.Bh7 Kh8 20.Bd3 Bb4 21.Rc1 a5 22.Kg1 Bd7 23.Na2 Bc5 24.Rb1 b6 25.Nc3 a4 26.h4 a3 27.h5 Qf4 28.Ra1 Bg4 29.Rh2 Bd4 30.h6 gh6 31.Rf1 Kg7 32.Na2 Re5 33.Kh1 Rae8 34.f3? Bd7 35.Nc3?? Re1 36.Rh3 Bh3 37.gh3 Rf1 38.Bf1 Qf3 39.Qg2 Qg2 40.Kg2 Bc3 41.d6 a2 (41...a2 42.d7 Rd8–+) 0–1. mrkt (2305) – DarthSidious (2490), ICC, 2003.

7.Bf6 Bf6 8.Bc4 b5 9.Bb5 Qd5 10.Bf1 Re8 11.Ne2 Nc6 12.Qa4 Bf5 13.Qb3 Qd6 14.Qa3 Qd3 15.Qc1 Ne5 16.f4 (16.Kd1–+) 16...Ng4 17.Rg1 Nh2 (18.g3 Nf1 19.Qd1 Ng3 20.Rg2 Qf3 21.d3 Ne2 22.Qe2 Qg2 23.Kd1 Re2 24.Nd2 Rd2 25.Kc1 Rc2 26.Kd1 Qe2) 0–1. market (2275) – Connected (2250), GameColony.com, 2002.

5.e4 d6

6.Bf6 Bf6 7.d4 0–0 8.Nd2 Nc6 9.Ngf3 Bg4 10.h3 Bh5 11.Rb1 Rb8 12.g4 Bg6 13.Bd3 Re8 14.0–0 Qd7 15.Rb5 a6 16.Rb3 b5 17.a4 b4 18.d5 Ne5 19.Ne5 Be5 (< 19...Re5 20.f4 Ree8 21.f5 Bc3 22.fg6 hg6 23.a5+/– (< 23.Ba6 Qa4 24.Bc4 Qa7 25.Rf2 Bd4=)) 20.Rb4 Bc3 21.Rc4 Bd2 22.Qd2 (22...Qe7 23.f4+=). Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

6.Bf6 Bf6 7.d4 0–0 8.Nf3 Re8 9.Bd3 c5 10.0–0 Bg4 11.d5 Qa5 12.h3 Bf3 13.Qf3 Nd7 14.Qf5 Ne5 15.Be2 Ng6 16.Rc1 Re5 17.Qg4 Rae8 18.Nd2 Rg5 19.Qd7 Rd8 20.Qb7 Bc3 21.Nc4 Qb4 22.Qc7 Rf8 23.Rab1 Qa4 24.Rc3 Nf4 25.Rb8 Ne2 26.Kh2 Rg6 27.Rf3 Rf6 28.Qd8 1–0. kamret (2150) – Kirill (1920), GameColony.com, 2003.

6.Bg3 0–0 7.d3 c6 8.f4 Ng4 9.Qc1 Qb6 10.d4 d5 11.e5 c5 12.h3 Nh6 13.Nf3 f6 14.Bf2 fe5 15.fe5 cd4 16.Nbd2 Nc6 17.Nb3 Bf5 18.Nbd4 Be4?! 19.Ne6 Qa5 20.Nf8 Rf8 21.Be2 Bf3 22.Bf3 Ne5 23.Be2 d4!? (23...Rf2! 24.Kf2 Bh4 25.g3 Qb6 26.Kg2 Nf5!) 24.0–0 d3? (24...dc3) 25.Bd1 Kh8 26.Bb3 Rd8 27.Bd4! Bc5 (27...d2? 28.Qd2 Rd4 29.Qd4 Bc5 30.Kh1! +–) 28.Qe3 1–0. Krantz,Kjell – Narstroem, LASK 1966 (Krantz).

6.Bg3 Ne4?? 7.Qa4.

5.f3 0–0

6.d4 d6 7.Bg3 c5 8.Qc2 cd4 9.cd4 Na6 10.a3 d5 11.Nc3 Qa5 12.e4 de4 (12...Ba3 13.Ba6 Qa6 14.Qb3 (14.Nd5? Nd5 15.Ne2 Ne3–+) 14...de4 15.Ra3+/–) 13.fe4 (13.Ba6!? ba6 14.fe4 Ne4 15.Nge2–/+) 13...Ne4!–+ 14.Nge2 (14.Qe4 Qc3 Double attack (14...Qc3 Deflection; 14...Qc3 Overloading)) 14...Bf5 15.Qb3 Rac8 (15...Ng3 16.Ng3 Rac8 17.Rc1 Ba3 18.Nf5 Bc1 19.Ne7 Kh8 20.Ned5–+) 16.Rc1 Ba3 (better is 16...Bg5 17.Rc2 Rfd8–+) 17.Rc2 (17.Ra1 Nb4 18.Ne4 Nc2 19.Kf2 Na1 20.Qb7–+) 17...Nc3 (better is 17...Nb4!? 18.Ne4 Nc2 19.Kf2 Be4 20.Kg1–+) 18.Rc3 Bb4 19.Kf2 Bc3 20.Qb7 Be1 21.Kf3 (21.Kg1–+) 21...Qa3 (21...Rc3 22.Nc3 Qc3 23.Bd3 Qd3 24.Kf4 Qd4 25.Kf5 g6 26.Kg5 Bd2 27.Bf4 Qf4) 22.Kf4–+ Qd6 23.Kf3 Qf6 (23...Bg4 24.Kg4 f5 25.Kf3 Qa3 26.Kf4 Bd2 27.Ke5 Qe3 28.Kd5 Qe4 29.Kd6 Rfd8 30.Qd7 Bb4) 24.Be1 (24.Bf4 Rfe8 25.g3–+) 24...Be4 25.Ke3 Bb7 26.Rg1 Rfe8 27.Kd2 Qg6 28.g3 Qc2 0–1. captainevans – burcago, internet, 2013.

6.e4 Nc6 7.Bf6 Bf6 8.d4 b6 9.Bd3 Nd4 10.cd4 Bd4 11.Ne2 Ba1 12.Nbc3 Bb2 13.0–0 Ba3 14.Qb3 Bc5 15.Kh1 Bb7 16.Ng3 Rc8 17.Nf5 Re8 18.Bc4 Qf6 19.g4 c6 20.Kg2 b5 21.Bd3 Ba8 22.Ne2 a5 23.Neg3 g6 24.Nh6 Kf8 25.h4 a4 26.Qc2 Bd6 27.g5 Qf4 28.Qf2 Qh4 29.f4 f6 30.Rh1 Qf4 31.Qf4 Bf4 32.gf6 d5 33.ed5 cd5 34.Ng4 d4 35.Ne4 Re4 36.Be4 Be4 0–1. Bonetti,Shane – guest668, ICC, 2002.

5.Nf3 0–0

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.Nf3 0–0 5.c3 Be7).

6.d4 d5 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.c3 Be7 7.d4).

5.Nf3 Nc6

6.Qb3 d6 7.Bf4 0–0 8.e3 a6 9.d4 b5 10.Bd3 Be6 11.Qc2 g6 12.Nbd2 Re8 13.Ne4 Nd5 14.Bg3 Bf8 15.Neg5 Qd7 16.c4?? Ndb4–+ 17.Qc3 Nd3 18.Qd3 Bc4 19.Qc3 Bg7 20.Nd2?? d5 21.Nc4? Bd4 22.Qc1 bc4 23.Rb1 Bf6 24.Nf3 Rab8 25.0–0 Rb1 26.Qb1 Rb8 27.Qd1 Rb2 28.Qa4 Rb6 29.Rd1 a5 30.Kf1 Rb4 31.Qc2 Ne7 32.Nd4 c5 33.Nf3 Rb2 34.Qc4 dc4 35.Rd7 c3 36.Rc7 c2 37.Rc5 Rb1 (38.Ke2 c1Q 39.Rc1 Rc1–+) 0–1. Wilmy – hal1958, HCL–T104 playchess.de, 2003.

6.Qb3 Ne5 7.Ne5 0–0 8.e3 d6 9.Nf3=+ Ne4 10.Bd3 Nc5 11.Qc2 g6 12.0–0 d5 13.Ne5 Bd6 14.Ng6? hg6 15.Bg6 Bh2! 16.Kh1?? Qh4 17.Bh7 Kg7 (17...Kg7 18.Bf5 Bd6 19.Bh3 Bh3 20.Qg6 fg6 21.g3 Bg3 22.fg3 Qe4 23.Rf3 Qf3 24.Kg1 Qg2) 0–1. milanista – jaskier (2170), internet, 2007.

6.d4 d5 7.Qa4 0–0 8.Nbd2 Ne5 9.Ne5 Bd6 10.e3 Qe8 11.Qe8=+ Re8 12.Bb5 c6 13.Nc6? a6 14.Ba4 Bd7 15.0–0 bc6 16.Rab1 Rab8 17.c4 Rb4 18.Bc2 Reb8 19.c5 Bc7 20.f3?! Rb2 21.Rfc1 Ra2 22.Nf1 Rb1 23.Bb1 Rb2 24.Bd3 a5 25.Ra1 Nh5 26.e4 Nf4 27.Ne3 Nd3 28.ed5 Re2 29.d6 Re3 30.dc7 Re1 31.Re1 Ne1 32.d5 cd5 33.c6 Bc8 34.Kf1 a4 35.Ke1 a3 (35...a3 36.Kd2 a2–+) 0–1. tomnrw – karpov, mySchach.de, 2003.

6.d4 d6 7.Bf6 Bf6 8.a3 Bg4 9.h3 Bf3=+ 10.ef3 Qe7 11.Qe2 0–0 12.Qe7 Ne7 13.g4 Rfe8=+ 14.Nd2? Nd5–+ 15.Ne4 Nc3 16.Bd3 d5 17.Kd2 de4 18.Kc3 ed3 19.Kd3 Rad8 20.Rad1 Bd4 21.Kc2 Bf2 22.Rd8 Rd8 23.Rd1 Rd1 24.Kd1 Kf8 25.Kd2 Ke7 26.Kd3 Kf6 27.Kc4 a5 28.a4 Ke5 29.Kb5 b6 30.Kc6–+ Kf4 31.Kc7 Kf3 32.Kc6 Kg3 33.g5 Kh3 34.Kd7 h6 35.gh6 gh6 36.Ke7 h5 37.Kf7 h4 38.Kg6 Kg2 39.Kh5 h3 40.Kg4 h2 41.Kf4 h1Q 42.Kg4 Qh3 43.Kf4 Qe3 44.Kf5–+ Qd4 45.Ke6 Qc5 46.Kd7 Kf3 47.Ke6 Kf4 48.Kd7 Ke5 49.Kd8 Bh4 50.Ke8 Qe7 0–1. bvboucher (2050) – mgomdysey (2060), net–chess.com, 2005.

6.d4 d6 7.Bf6 Bf6 8.e4 Bg4 9.Bb5 a6 10.Bc6 bc6 11.h3 Be6 12.Na3 0–0 13.e5 Be7 14.Nc2 f6 15.Nb4 Qd7 16.d5 cd5–/+ 17.Nd5 de5 18.Ne7 Qe7 19.0–0 Rfd8 20.Qe2 Qc5 21.Nh4? Bc4 22.Qg4 Bf1 23.Qe6 Kh8 24.Rf1 1–0. bvboucher (2025) – vegasghost (2070), net–chess.com, 2005.

6.d4 Ne5 7.de5 Ne4 8.e3 Nc5 9.Bc4 d6 10.0–0 Be6 11.ed6 (11.Be6 fe6 12.Nbd2 0–0=) 11...Bc4=+ 12.de7 Qe7 13.Re1 Rd8 14.Nbd2 Ba6 15.Qc2 Bd3 16.Qb2 Rd7 17.Rad1 Ba6 18.c4 0–0 19.Qe5 Re8 20.Qe7= Ree7 21.Rb1 Re8 22.Nb3 Nd3 Black gets the initiative 23.Red1 b6 24.Nbd2 Red8 25.Kf1 c5 26.Ke2 f6 27.a3 Bb7 28.Rf1 g5–+ 29.g4 Ne5 30.Rb2 Bf3 31.Nf3 Nc4 32.Ra2 b5 33.Rc1 Kf7 34.a4 a6 35.ab5 ab5 36.h4 h5 37.Rg1 gh4 38.g5 h3 39.gf6 Kf6 40.Rh1 Rd5 41.Rh3 b4 42.Rh4 b3 43.Ra7 Nd6 44.Ra6 Kg7 45.Rb6 c4 46.Nd4 Kf7 47.Rf4 Kg8 48.Rf6 Kg7 49.Rfd6? R8d6 50.Nf5 Rf5 51.Rd6 c3 52.Rd1 Rc5 53.Rg1 Kf6 54.Kd1 0–1. Zimmermann,Joerg (1700) – Baer,Werner (1715), TT–02.33 TSC, 2002.

6.e3 d6 7.Bg3 Bg4 8.d4= Ne4 9.Be2 Ng3=+ 10.hg3 Qd7 11.Nbd2 h5 12.Ne4 0–0–0 13.Rb1 f5 14.Ned2 Qe6 15.0–0 h4 16.gh4= Bh4 17.Qb3 Qe7?? 18.Qb7+– Kd7 19.d5 Na5 20.Bb5 (20.Bb5 Nc6 21.Bc6#) 1–0. Wall,Bill – Ajimura, internet, 2003.

6.e3 Ne5 7.Ne5 0–0 8.d4 =+.

6.e3 Ne5 7.Ne5 0–0 8.Be2 –/+.

6.e3 Ne5 7.Ne5 d6 8.Nf3 Bg4 9.Bb5 c6 10.Bc4 d5 11.Be2 0–0 12.h3 Bh5 13.g4 Bg6 14.d3 Qd7 15.Ne5 Qe6 16.Ng6 fg6 17.0–0 Bd6–/+ 18.Nd2 (18.Nd2 Rae8 19.Rb1–/+). color1972 – hooks, ChessWorld.net, 2005.

6.Bf4 d5 7.d4 0–0 8.e3 Bf5 9.h3 Ne4 10.Bd3 Na5 11.0–0 c5 12.dc5= Bc5 13.Be4 Be4 14.Nbd2 Bd3 15.Re1= Nc4 16.Nb3 Nb2 17.Qd2 Ba3 18.Nbd4 Be4 19.Qe2 Nd3–/+ 20.Red1 Nf4 21.ef4 Rc8 22.Nb5 Qe7 23.Na7 Rc3–/+ 24.Nd4 Re8 25.Nab5=+ Rcc8 26.f3 Bc2 27.Qe7 Be7 28.Nc2 Rc2 29.Rd5 Bf6 30.Rad1 Ra2 31.f5 h6 32.Kh1 Ree2–/+ 33.Rg1 Rab2 34.Nd6 Bg5 35.Rc5 Be3 (35...Be3 36.Rc8 Kh7 37.Nf7 g5–+). Seack,Ingo – Nebe,Lutz, corr SOK–89–44, 1989.

6.Bg3 0–0 7.Qc2 d5 8.e3 Bd6 9.d4 Ne4 10.Bd3 f5 11.0–0 Be6 12.Nbd2 Bg3 13.hg3 Rf6 14.Nh4 Rh6 15.Ne4? fe4–+ 16.Be2 Qd7 17.f4=+ Ne7 18.c4 Rf8 19.Kf2? c6?? 20.Rh1 Rff6 21.Rh2? Bg4?? 22.Rb1 Be2 23.Qe2 a6?? 24.c5 ½–½. alaamattar (2135) – tbrannon (1985), net–chess.com, 2005.

6.Bg3 0–0 7.e3 =+.

6.Bg3 Nh5 7.e3 Ng3 8.hg3 d5 9.Qc2 h6 10.Bb5 0–0 11.d4= Nb8 12.Nbd2 Bf6 13.Rc1 c6 14.Bd3 b5 15.Nh4 Re8 16.Kf1 Bb7 17.Ndf3 Nd7 18.Nf5 Nb6 19.g4 Rb8 20.Re1 Nc4 21.Kg1 Qc7 22.Bc4 bc4 23.Nh6 gh6–/+ 24.Rh6 Bg7 25.Qh7 Kf8 26.Rh5 Qd6 27.Nh4 Bc8 28.Rf5 Bf5 29.Qg7 Kg7 30.Nf5 Kg6 31.Nd6 Re6 32.Nf5 Rb2 33.f4 Ra2 34.Ng3 a5?? 35.f5+– Kg5 36.fe6 fe6 37.Ne2 Kg4 38.Kf2 a4 39.Rb1 a3 40.Rb6 (40…Rb2 41.Rc6+/–) 1–0. Hansen,Bjarne G – Holtz, corr 3GMM–15, 1997.

6.Bg3 Nh5 7.e4 d6 8.Bb5 Bd7 9.d4 Ng3 10.hg3 a6 11.Ba4 b5 12.Bc2 Na5 13.Nbd2 c5 14.e5 de5 15.Ne5 h6 16.Qf3 0–0?? 17.Qe4+– (17...g6 18.Ng6+– (18.Rh6? Bf5 19.Qa8 Qa8 20.Bf5 gf5–+; 18.Nd7?! Qd7 19.Nf3 cd4=); 17.Nd7?! Qd7 18.Bf5 Qd8=) 1–0. baraka – Hflew, HCL–T104 playchess.de, 2003.

6.Bf6 Bf6

7.d4 0–0 8.e3 d6 9.Bd3 d5 10.0–0 g6 11.Nbd2 Re8 12.Rb1 Ne7 13.Nb3 b6 14.c4 c6 15.Nbd2 Ba6 16.Qc2 Rc8 17.a4 Rb8 18.h3 Bg7 19.c5 Bd3 20.Qd3 Nf5 21.Qa3 Qe7 22.Nb3 a6 23.Qc1 b5 24.Na5 Qc7 25.Qd2 Re7 26.Qb4 ½–½. algernon (2555) – smithche (2380), net–chess.com, 2014.

7.d4 d5 8.e3 0–0 9.Bd3 Ne7 10.Qc2 Bg4 11.Bh7 Kh8 12.Bd3 c5 13.dc5 Qa5 14.Nd4 Qc5 15.Qb3 b6 16.0–0 g6 17.h3 Bd7 18.Nd2 Rac8 19.Rac1 Nc6 20.Qb2 Kg7 21.N2b3 Qe7 22.Ba6 Rcd8 23.Nf3 Rh8 24.Nbd4 Nd4 25.cd4 (25.ed4?! Bh3 26.gh3 Qd7=) 25...Qe6? (25...Bh3 26.gh3 Rh3 27.Qc2 Rf3 28.Kg2–/+) 26.Rc7 (26.Ne5!? Be5 27.de5+–) 26...Rh3+/– 27.gh3 Qh3 28.Nh2 Rh8 29.f3?? (better is 29.f4 Qe3 30.Qf2+/–) 29...Bg5?? (better is 29...Qg3 30.Qg2 Qc7–+) 30.Qg2?? (better is 30.Rc3 b5 31.f4+–) 30...Be3= 31.Kh1 Qg2 32.Kg2 Bh3 (better is 32...Rh2!? 33.Kh2 Bf4 34.Kg2 Bc7=) 33.Kg3+/– Bf1 34.Nf1 (worse is 34.Bf1 Rh2 (worse is 34...Bd4 35.f4+/–) 35.Rf7 Kf7 36.Kh2 Bd4+=) 34...Bd4 35.Ra7 Be5 36.Kg2 Rd8 37.Rb7 ½–½. algernon (2515) – cristero (2320), net–chess.com, 2015.

7.d4 d5 8.e3 0–0 9.Bd3 Re8 10.0–0 g6 11.a3 Bg7 12.Nbd2 Ne7 13.Rb1 b6 14.Bb5 c6 15.Be2 Bf5 16.Rb3 Nc8 17.c4 Nd6 18.cd5 cd5 19.Ne1 Rc8 20.Bd3 Bd3 21.Nd3 Nc4 22.Nb1 Qd7 23.Nb2 b5 24.Qd3 a6 25.Nd2 f5 26.Nd1 Kh8 27.Nc3 Qc6 28.Nf3? (better is 28.Rc1+=) Na5–+ (28...Na5 29.Rfb1 Nb3 30.Rb3 Kg8–+) 0–1. algernon (2435) – leormebanco (2725), net–chess.com, 2013.

7.d4 d5 8.e3 Bf5 9.Bd3 Qd7 10.Qc2 Bd3 11.Qd3 0–0 12.Nbd2 Rfe8 13.Rb1 b6 14.0–0 Na5 15.c4 dc4 16.Nc4 Qa4 17.Na5 Qa5 18.Qc4 Rac8 19.Rb5 Qa6 20.Rc1 c6 21.Rb4 (21.Rb4 Qb7 22.Qc2+=; 21.Rc5! Qc4 22.R5c4+/– (22.R1c4?? bc5 23.Rc5 Be7–+)) 1–0. Szeligowski,Paul – NN, Boulder CO, 1981.

7.d4 d5 8.e3 Bf5 9.Bd3 Qd7 10.Bf5 Qf5 11.0–0 g5 12.Ne1 0–0–0 13.Qd3 Qd3 14.Nd3 Ne7 15.Nd2 Nf5 16.a4 Nd6 17.Rfc1 a5 18.Rab1 b6 19.c4 dc4 20.Nc4 Nc4 21.Rc4 Rd6 22.Rb5 Kd7 23.h3 Rg8 24.Nc1 g4 25.hg4 Rg4 26.Rh5 Rg7 27.Rf5 Rg5 28.Rg5 Bg5 29.Ne2 Rc6 30.Rc3 Rc3 31.Nc3 c6 32.f4 Be7 33.Kf2 Bb4 34.Na2 f5 35.e4 Ke6 36.e5 Kd5 37.Nb4 ab4 38.Ke3 h6 39.Kd3 h5 40.Kc2 c5 41.dc5 Kc5 42.g3 Kc6 43.Kb3 Kc5 44.e6 Kd6 45.Kb4 Ke6 46.Kb5 1–0. algernon (2435) – alencro (2645), net–chess.com, 2014.

7.e3 d5 =+.

7.e4 0–0 8.Bb5 (8.d4 d6 9.Nbd2+=) 8...Ne5 (better is 8...d5!? 9.Bc6 bc6–/+) 9.Ne5+= Be5 10.0–0 (10.d4!? Bf4 11.g3=) 10...c6 11.Ba4 Qh4 (11...Qc7 12.g3 d6+=) 12.h3? (12.g3!? Qe4 13.Re1+=) 12...Qf4 13.Na3?? (better is 13.g3 Qe4 14.Re1+=) 13...Qh2 0–1. smoothoperator (2255) – residencialfil (2510), net–chess.com, 2015.

7.e4 d5 8.Bd3 –/+.

7.e4 d6 8.h3 (8.d4 a6+=) 8...d5 9.ed5 Qd5 10.Qb3 (10.Be2!?–/+) 10...Qe4–+ 11.Be2 0–0 12.d3 Qg6 13.g3 (13.Kf1–+) 13...Re8 14.Qc2 (14.Kf1 Be6 15.Qd1–+) 14...Nb4!! 15.Qd1 (15.cb4 Ba1 Pinning (15...Ba1 Deflection)) 15...Nd3 16.Kf1 Bf5 17.a4 (17.Bd3 Bd3 18.Kg2–+) 17...Nb2 18.Qb3 (18.Qd5 Re2 19.Nbd2 Rae8–+) 18...Re2 19.Ke2 (19.Nbd2 Be4 20.Re1 Re1 21.Ne1 Bh1 22.Qb2–+) 19...Bd3 20.Kd2 (20.Ke1 Re8 21.Ne5 Qe4 22.Kd2 Bg5 23.f4 Bf4 24.gf4 Qf4 25.Ke1 Re5) 20...Qh6 21.Ng5 Bg5 22.f4 Bf4! 23.gf4 (23.gf4 Qf4 Mate attack) 23...Qf4 24.Ke1 Qe3 0–1. pittol – didaktikm123 (1750), gameknot.com, 2013.

5.Nf3 d5

6.d3 Nc6 7.Bf4 0–0 8.Qb3 Na5 9.Qc2 c5 10.e4 de4 11.de4 a6 12.Be2 Nh5 13.Be3 Nc6 14.e5 g6 15.Bh6 Ng7 16.0–0 Re8 17.Re1 Ne6 18.Nbd2 Qc7 19.a4 Ne5 20.Ne5 Qe5 21.Bb5! Qh5 22.Be8 Qh6 23.Nc4 Qf8 24.Nb6 Rb8 25.Bd7 Bd8? 26.Nc8 Bc7 27.a5 Qh6 28.g3 Ng5 29.Re8 Kg7 30.Qe2 Nh3 31.Bh3 Qh3 32.Qe7 Bg3 33.Qf8 Kf6 34.fg3 Qd7 0–1. b4_player (2185) – multa02 (1945), GameColony.com, 2003.

6.d4 Nbd7 7.Nbd2 0–0 8.Qc2 Ne5 9.de5 Nd7 10.e4 Re8 11.ed5 Bc5 12.e6 Nf6 13.0–0–0 fe6 14.de6 Be6 15.Ng5 Bd5 16.Nb3 Qd6 17.Kb1 Qc6 18.h4 Rad8 19.Bd3 h6 20.Bh7 Kf8 21.Bg6 hg5 22.Nc5 Bg2 23.Be8= Re8 24.hg5 Qc5 25.Rh8?? Kf7–/+ 26.g6 Ke7 27.Rh4 Nd5 28.Re4 Kf8–+ 29.Re8 Ke8 30.Kb2 Qb6 31.Kc1 Qf6 32.Rd4 c5 33.Rc4 Qa6 34.Qb3 Bf3 35.a4 b6 36.Qb5 Qb5 37.ab5 Nc7 38.Rf4 Bh5 39.Rf7 Nb5 40.Rg7 Kf8 41.Rf7 Kg8 42.c4 Bg6 43.Rb7 Nd6 44.Ra7 Bf7 45.Kc2 Kg7 46.Kc3 Kf6 47.Rd7 Nc4 48.Rb7 Bd5 49.Rb8 Ke6 50.Kd3 Ne5 51.Ke3 Nd7 52.Re8 Kf5 53.Rd8 Be6 54.Ra8 b5 55.Ra5 b4 (55...b4 56.f4 b3–+) 0–1. Taulien,Hans_Juergen (2225) – Winz,Michael (2300), remoteschach.de, 2005.

6.d4 Bf5 7.e3 Nbd7 8.Nbd2 0–0 9.Be2 Ne4 10.Ne4 de4 11.Nd2 Ne5 12.de5 Qd5 13.0–0 (13.Nc4!? Qc6 14.Qb3–/+) 13...Qe5–+ 14.Qb3 Rab8 15.Nc4 Qf6 16.f3 Qh6 17.fe4 Be6 18.Qb1? (better is 18.a4–/+) 18...b5–+ 19.Ne5 Qe3 20.Rf2 Qc3 21.Nd3 c5 22.Ne5 (22.Qc1 Qc1 23.Nc1–+) 22...Qe5 23.Qf1 c4 24.Bf3 (24.Kh1 Bc5 25.Rf4 g5–+) 24...Bc5 25.Rd1 Rfd8 26.h3 Rd1 27.Qd1 Qg3 0–1. sureet_sk – marekt, chessworld.net, 2013.

6.d4 Bf5 7.e3 Nbd7 8.Bd3 Bd3 9.Qd3 0–0 10.Nbd2 c6 11.0–0 h6 12.a4 Ne5 13.Ne5 Bd6 14.Ndf3 Be5 15.Ne5 Nd7 ½–½. Kansal,C (1745) – Sertbay,H (1995), ch–TUR Kemer–Antalya TUR, 2011.

6.e3 0–0 7.d4 =.

6.e3 0–0 7.Bf6 Bf6 8.d4 c5 9.dc5 Be6 10.Nd4 Qc7 11.Bd3 =+.

6.e3 c5 7.Qb3 Nc6=+ 8.Bb5 0–0 9.Bg3 Ne4 10.0–0 Ng3 11.fg3 c4 12.Qc2 Qb6 13.Bc6 bc6–/+ 14.Ne5 f6 15.Nf3 Rb8 16.Na3?? Ba3–+ 17.Rab1 Qc7 18.Rb8 Qb8 19.Qa4 Qd6 20.Nd4 Bd7 21.Rb1 Bc5 22.Rb7 Bd4 23.ed4 Bf5 24.Qa7 Bd3 25.Rg7–/+ Kh8 26.Rg4 Bg6–+ 27.h4 Qe6 28.Rf4 Bd3 29.Qc7 Rg8 30.Kh2 Qe1?? 31.Rf6+= Be4?? 32.Qe5 Qg3 33.Qg3 Rg3 34.Kg3 Kg7 35.Rc6 h5 36.a4 Kf7 37.a5 Ke7 38.a6 Kd7 39.Rc5 Kd6 40.a7 Bg2 41.Kg2 Ke6 42.a8Q Kf5 43.Qd5 Kf4 44.Qf5 (44.Qf3#) 1–0. revbodio – beheader11, Caissa.com, 2004.

6.e3 Nbd7

7.d4 Ne5 8.Ne5 0–0 =+.

7.Bf6 gf6?! 8.d4 +=.

7.Bf6 Nf6 8.Bb5 c6 9.Be2 0–0 =+.

7.Bf6 Nf6 8.d4 0–0 9.Bd3 c5 10.0–0 c4 11.Bc2 Bd6 12.Nbd2 Qa5 13.Nb1 (13.e4 Ba3+= (worse is 13...Qc3 14.e5+/–)) 13...Re8–/+ 14.Qc1 Ne4 15.Be4 de4 16.Nfd2 Qh5 17.h3? (better is 17.f4 ef3 18.Nf3–/+) 17...Bh3–+ 18.Re1 (18.f4 ef3 19.Nf3–+) 18...Qg5 19.g3 Bg3! (19...Bg3 20.Kh1 Bf2 21.Rg1 Bg4 22.Rg4 Qg4 23.Qf1 Qh4 24.Kg2 Qg3 25.Kh1 Re6 26.Nf3 Qf3 27.Kh2 Rh6 28.Qh3 Rh3) 0–1. Peardon,David (1800) – Kolodziejski,Marcin (1895), ICCF FM/0427, 2007.

7.Bf6 Nf6 8.d4 0–0 9.Bd3 Re8 10.Nbd2 c5 11.dc5 Bc5 12.0–0 Qc7 13.Rb1 b6 14.Qb3 Bg4=+ 15.h3 Re3?? 16.fe3+– Be3 17.Kh1 Nh5 18.Bh7= Kh8? 19.Rfe1 Ng3 20.Kh2 Nf1 (20...Nf1 21.Kh1 Ng3 22.Kh2 Ne4 23.Kh1 Ng3) 0–1. Pensimus,P (1725) – Mestak,K (1900), OCC–2002–03, 2002.

7.Bf6 Nf6 8.Be2 c5 9.d4 c4 10.0–0 0–0 11.Nbd2 =+.

7.Bg3 0–0 8.Be2 Re8 9.0–0 c5 10.d4 Ne4 11.Nbd2? Nc3–+ 12.Qe1 c4 13.Nc4 Ne2 14.Qe2 dc4 15.Qc4 Nf6 16.Rfc1 Bf5 17.Qe2 Qd5 18.Nd2 Ba3 19.Rc3 Qd4! 20.Rc4 Qa1 21.Nf1 Rad8 (21...Rad8 22.Be5 Re5–+) 0–1. alaamattar (2130) – icyglare (2100), net–chess.com, 2007.

5.Nf3 d6

6.Bd4 c5 7.Be3 Nc6 8.h3 h6 9.d3 0–0 10.Na3 Nd5 11.Bd2=+ Bf6 12.Nb1 Be6 13.e4 Nb6 14.Na3 d5–/+ 15.ed5 Nd5 16.Nc4? Nc3 17.Qb3 Re8 18.Ne3 Bb3 19.ab3 Nb4 20.Rc1 Nd3 21.Bd3 Qd3 22.Rc3 Re3! 23.fe3 Bc3 24.Kf2 Bd2 25.Nd2 Qd2 26.Kg1 Qe3 27.Kf1 Rd8 28.Rg1 Rd1# 0–1. Kientzler,Roland – Borrmann,Fritz, CiF, 1989.

6.Bf6 gf6 7.d4 +=.

6.Bg3 0–0 7.h3 c5 8.d4 Nc6 9.d5 Ne5 10.Nbd2? Nd5 11.Ne5 de5 12.Qb3 Nf4 13.e4 b6 14.Bc4? Ng2–+ 15.Kf1 Nf4 16.Bf4 ef4 17.Nf3 Qc7 18.Kg2 Bb7 19.Bd5 Bd5 20.ed5 Rad8 21.Rhd1 h6 22.c4 Bf6 23.Rac1 Rfe8 24.a4 a5 25.Qb5 Qb8 26.Rd3 Re7 27.Rcd1 Rd6–+ 28.Nd2 Qe8 29.Kf3? Qb5 30.ab5 Re3?? 31.Re3 fe3= 32.Ke3 Bg5 33.Ke4 Bd2 34.Rd2 f6 35.Kf5 Kf7 36.Re2 g6 37.Kg4 f5 38.Kf4 Kf6 39.Re8 Rd7?? 40.Re6+– Kg7 41.Rb6 Re7 42.Re6 Kf7 43.b6 Rb7 44.Rc6 a4 45.Rc7 (45.Rc7 Rc7 46.bc7+–) 1–0. gtate (1900) – jearly (1910), net–chess.com, 2006.

6.Bg3 c5 7.e3 Nc6 8.Be2 Ne4 9.0–0 Ng3 10.fg3 (10.hg3 0–0+=) 10...d5–/+ 11.Na3 0–0 12.c4 d4 13.Qb1? (better is 13.Qb3!?–/+) 13...de3–+ 14.de3 (14.Qe1 ed2 15.Qd2 Qd2 16.Nd2 Rd8–+) 14...Bf6 15.h4 (15.Re1 Re8–+) 15...Qe7 16.Nc2 Ba1 17.Na1 (17.Qa1 Bg4–+) 17...Qe3 (17...Qe3 18.Rf2 g6–+) 0–1. marinscrofan (1815) – antinephilehi (1950), gameknot.com, 2014.

6.Bg3 c5 7.d4 Bf5 (7...0–0 8.e3+=) 8.e3 (8.dc5 dc5 9.Qd8 Bd8=) 8...Nbd7 (8...0–0 9.Bd3 Bd3 10.Qd3=) 9.Bd3 (9.dc5 dc5 10.Qb3 Nh5=) 9...Be4 (9...Ne4 10.0–0+=) 10.Qc2 (10.Be4 Ne4 11.Qb3 Qb6=) 10...Bf3 11.gf3 cd4 (11...d5 12.Nd2=) 12.cd4 Rc8 13.Qa4?? (better is 13.Qb2=) 13…Rc1–+ (13...Rc1 14.Kd2 Rh1 15.Qa7 0–0–+) 0–1. Wesslen,U – Nilsson,R, corr SSKK 2–65, 1985.

6.Bg3 c5 7.e3 0–0 8.Be2 d5 9.0–0 Nh5 10.d4 Ng3 11.fg3 Nc6 12.Nbd2 Re8 13.Kh1 Bf6 14.Nb3 c4 15.Nbd2 Re3 16.Rb1 (16.Nb1 Qe7 17.Ng1 Be6–+) 16...Rc3 17.Rc1 (17.Rb2 Re3 (17...Nd4?! 18.Nd4 Bd4 19.Nb1–+) 18.Nb1 Qa5–+) 17...Rc1 18.Qc1 Qa5 19.Nc4 dc4 20.Bc4 Be6 (20...Nd4?! 21.Nd4 Bd7 22.Nb3–+) 21.Be6 fe6 22.Qc4 Qd5 23.Qa4 b5 24.Qd1 Qa2 25.Re1 Qd5 26.Qb1 a5 27.Rd1 b4 28.Qd3 a4 29.g4 a3 30.Nd2 a2 31.Nb3 Ra3 (32.Qf1 Qb3–+) 0–1. salvatore – marekt, Caissa's Web, 2004.

6.Bg3 Ne4 7.e3 Ng3 8.hg3 Bf6 9.d4 Bg4 10.Be2 Nc6 11.Nbd2 Qe7 12.Qb3 Rb8 13.Bb5 0–0 14.0–0–0 Be6 15.d5+= Na5? 16.Qa3 Bd5 17.Qa5 b6 18.Qa3 c6 19.Bd3 h6 20.Nh4 Be6 21.Ne4 c5 22.Nf6 Qf6 23.f3 g5+/– 24.Kc2 gh4= 25.Rh4 c4 26.Be2 d5 27.Rdh1 Qg6 28.Kd2 Qg3 29.Rh6 Bf5? 30.Qe7+– Rbe8 31.Qf6 Re6 32.Rh8 1–0. alaamattar (2105) – featers (2085), net–chess.com, 2005.

6.Bf6 Bf6

7.d4 0–0 8.e3 c5 9.Bd3= d5 10.dc5 =.

7.d4 0–0 8.e3 c5 9.Be2 Nc6 10.Nbd2 Bf5 11.0–0 Re8 12.Nc4 b5 13.Nb2 a6 14.Nd3 c4 15.Nde1 d5 16.a3 Na5 17.Nd2 Qd7 18.Nef3 h6 19.h3 g6 20.Nh2 Nc6 21.Bg4 Bg7 22.Bf5 Qf5 (worse is 22...gf5 23.Qf3+=) 23.Ra2 Bf8 24.Qb1 Qe6 25.Nhf3 Bd6 26.Ne1 Rab8 27.Nc2 a5 28.Nf3 Re7 29.Rb2 Reb7 30.Qa2 Kg7 31.Qa1 Qe4 32.Qd1 Qd3 33.Qd2 (33.Qd3 cd3 34.Nce1 Ba3–/+) 33...f5 (33...Bh2! 34.Kh2 Qf1 35.e4–+) 34.Rfb1–/+ Qd2 35.Nd2 Kf6 36.Nf3 g5 37.Nh2 h5 Black prepares the advance g4 38.Nf1 g4 39.h4 Ke6 40.g3 b4 41.cb4 ab4 42.ab4 Nb4 43.Kg2? (better is 43.Kh2–/+) 43...c3–+ 44.Rb3 (44.Rb4 Bb4 45.Rb3–+) 44...Nc2 (44...Nc2 45.Rb7 Rb7–+) 0–1. algernon (2275) – jromero (2675), net–chess.com, 2013.

7.d4 0–0 8.e3 Be6 9.Bd3 Nd7 10.0–0 c5 11.Nbd2 cd4 12.cd4+= h6 13.Ne4 Be7 14.Ng3 Nf6 15.Nf5 Rc8 16.Qd2 Re8. algernon (2320) – gigi (2135), net–chess.com, 2004.

7.d4 0–0 8.e3 Bf5 9.Nbd2 d5 10.Nb3 c6 11.Bd3 Bd3 12.Qd3 Nd7 13.0–0 Re8 14.Rfe1 Qc7 15.Rac1 b5 16.Qf5 Re7 17.Ng5 g6=+ 18.Qg4 Rae8 19.Nf3 Bg7 20.Rc2 a5 21.Rce2 a4 22.Nbd2 Nf6 23.Qh3 Nh5 24.Nb1? Nf4!–+ 25.ef4 Re2 26.Re2 Re2 27.a3 Qf4 (27...Qf4 28.Kf1 Rc2–+) 0–1. Unger,M – Dziel,Jaromir, corr SOK–96–112, 1996.

7.e3 0–0 8.Qc2 Bg4 9.Be2 Nd7 10.d4 c5 11.Nbd2 Bf3 12.Bf3 cd4 13.cd4 Rc8 14.Qb2 Nb6 15.0–0 d5 16.Rac1 Qd7 17.Rc2 Rc2 18.Qc2 Rc8 19.Qb1 Nc4 ½–½. Paauwe,J – Colsen,M, PK Zeeland, 2001.

7.e3 0–0 8.Bd3 Nc6=+ 9.a3 Bg4 10.Qc2 g6 11.Be2 Rb8 12.d4 Bg7 13.h3 Bd7 14.0–0 b5 15.Nbd2 a5 16.Rab1 Ne7= 17.Rb2 c6 18.Rfb1 Qc7 19.c4+/– b4 20.ab4 ab4 21.Rb4 Rb4 22.Rb4 c5 23.Rb2 Ra8 24.Nb3 Qa7 25.Rb1 Qc7 26.Ne1 Bf5 27.e4 Bd7 28.d5 Ba4 29.f4 Bd4 30.Kh1 Rb8 31.Qa2 Rb3 32.Rb3 Bb3 33.Qb3 f5 34.Bd3 Bf2 35.Nf3 Bg3 36.ef5 gf5 37.Ng5+– Qa7 38.Ne6 Qa1 39.Bb1 Bf2 40.Qb8 Kf7 41.Qf8 Kg6 42.Kh2 Qc3 43.Bd3 Qa1 44.Qe8 Kh6 45.Bf1 Qf6 46.Qd8 Be3 47.g3 Qb2 48.Bg2 Qf6 49.Qd6 Bf2 50.Qd8 Qc3 51.Qf8 Kg6 52.Bf3! Qa1 53.Qe8 Kf6 54.Qh8 (54…Kg6 55.Qa1 Bd4 56.Qa8 Bg1 57.Kg1 Nc8 58.Qa1 Kf7 59.Qg7 Ke8 60.Bh5#) 1–0. Heyn – Hansen,Bjarne G, corr 3GMM–17, 1996.

7.e3 0–0 8.d4 b6 9.Bd3= Bb7 10.Nbd2 c5 11.0–0 Nd7 12.a4 g6 13.a5 Bg7 14.Qb3 Rb8 15.ab6 ab6 16.Ra7 Qc8 17.Rfa1+/– d5 18.Bb5 c4 19.Qb4 Bc6 20.Ba6 Qd8 21.Qd6 Qf6 22.Rd7 Bd7 23.Qd7 Rfd8 24.Qb5 h5 25.e4 de4 26.Ne4 Qe6 27.Neg5 Qd5 28.Qd5 Rd5 29.Bc4 Rd7 30.Nf7 Rf7 31.Ra7 Rbf8 32.Ng5 (32.Ng5 Bd4 33.cd4+–) 1–0. Lebel,Patrick – McCarthy,Mike, Orang–Utan Invitational, 2001.

7.e3 0–0 8.d4 Be6 =.

7.e3 Nd7 8.d4 =.

5.Bf6 Bf6

6.d4 0–0 7.Nd2 d5 8.Ngf3 c5! 9.Qc2 (9.dc5 Qa5 Double attack (9...Bc3 Pinning; 9...Bc3 Deflection; 9...Qa5 Decoy)) 9...Nd7 (9...Nc6!? 10.e3 g6–/+) 10.e3+= c4 (10...g6 11.Be2+=) 11.g3 Re8 12.Bg2 b5 13.a3 Nb6 14.0–0 a6 15.Rfe1 Bb7 16.e4 de4 17.Ne4 Be4 18.Re4 Re4 19.Qe4 Ra7 20.Ne5 Be5 21.Qe5 Re7 22.Qf4 h6 23.Qd2 Qd6 24.f4 Qe6 25.Rf1 (25.Kf2!?=) 25...Qe3–/+ 26.Qe3 Re3 27.Rf3? (better is 27.Bb7–/+) 27...Rf3–+ 28.Bf3 Na4 29.Bb7 Nc3 30.d5?? Kf8 31.d6? Nb1 32.Ba6 c3 33.d7 Ke7 34.Bb5 c2 35.Bd3 c1Q 36.Kf2 Qd2 (36...Qd2 37.Be2 Nc3 38.Kf1 Qe2 39.Kg1 Ne4 40.d8Q Kd8 41.a4 Qf2 42.Kh1 Qf1#) 0–1. Baer,Cy (1895) – Guenther,Michael (2300), RSS5E–10 remoteschach.de, 2007.

6.d4 0–0 7.e4 Re8 8.Bd3 c5 9.e5 d6 10.Nf3 cd4–+ 11.cd4 de5 12.de5? Nc6 13.0–0 Ne5 14.Ne5 Be5 15.Bh7 Kh7 16.Qh5 Kg8 17.Nc3 Bc3 18.Rad1 Bd2 19.Qb5 Bg4 20.Rb1 Be2 21.Qb7 Bf1 22.Rf1 Qb6 23.Qb6 ab6 24.Rd1 Ra2 25.g3 Re1 (25...Re1 26.Re1 Be1–+) 0–1. rla – jaskier (2175), internet, 2007.

6.d4 0–0 7.e4 Re8 8.Bd3 c5 9.Nf3 cd4–/+ 10.cd4 Nc6 11.Qa4 b5! (11...b5 12.Qb5 Nd4 13.Nd4 Bd4–+) 0–1. Baer,Cy (1895) – Obando,Daniel (1995), CiF, 2007.

6.e3 0–0 7.Na3 c5 8.Bc4 d5 9.Bb3 Nc6 10.Qf3 d4 11.cd4 cd4 12.Ne2? de3 13.Qe3?? Ba1 14.0–0 Bf6 15.Bc2 Re8 16.Qd3 Qd3 17.Bd3 Be6 18.Nf4 Ba2 19.Nb5 Rad8 0–1. furballs (1805) – ksakai (2000), net–chess.com, 2001.

6.e3 0–0 7.d4 Re8 8.Bd3 b6 9.Nf3 Bb7 10.Qc2 h6 11.Nbd2 d5 12.0–0 Nd7 13.Rfe1 c5 14.c4 Rc8 15.Qb3 g5 16.h3= h5 17.cd5 g4 18.Nh2 cd4–/+ 19.e4 Rc3 20.Qb5 gh3 21.gh3 Nc5 22.Bf1 Bg5 23.Nhf3 Bd2 24.Nd2 Ba6 25.Qc6 Bf1 26.Nf1 Ne4 27.Qa4 Qg5 28.Kh2 Qf4 29.Ng3 Qf2 30.Kh1 Ng3 0–1. katchum (1690) – helicon (2240), net–chess.com, 2001.

6.e3 0–0 7.Qh5 d5 8.Nf3 g6 9.Qh6 Nc6 10.Bb5 Nb4 11.Nd4?? Bd4 –+.

6.e4 0–0 7.h4 (7.d4 Re8 8.Bd3–/+) 7...Re8 8.Qg4? (8.Be2 d5 9.e5 Be5 10.Nf3–+) 8...d5 9.f3 (9.Qd1–+) 9...Bg4 10.fg4 Re4 (10...Bh4 11.Kd1 de4 12.Kc2–+) 11.Be2 Bh4 12.Kd1 d4 (better is 12...Nc6 13.Nf3 Qe7 14.Bf1 Rg4 15.d4–+) 13.Bf3 Re1 14.Kc2 d3 15.Kb2 c6 16.Na3 Qb6 17.Nb5 Qb5 18.Ka3 Be7 0–1. kgofswrds – westaust (1970), gameknot.com, 2011.

6.e3 d5

7.Nf3 0–0 8.Be2 c6 9.0–0 Qc7 10.d4 Re8 11.Ne5 Be5–/+ 12.de5 Qe5 13.Bg4 Be6 14.Be6 Qe6 15.Nd2 Nd7 16.Nf3 Nf6 17.Nd4 Qe4 18.h3 a6 19.Nb3 b6 20.Nd2 Qe5 21.c4 Rad8 22.Qa4 dc4 23.Nc4 Qc5 24.Qa6? b5 25.Nb6? Rb8–+ 26.Rfc1 Qb6 27.Rc6 Qb7 28.Qb7 Rb7 29.Rac1 Rbb8 30.g4 h6 31.Kg2 b4 32.Kf3 Nd5 33.Rd6 Nc3 34.a3 Ne4 35.Rd7 ba3 36.Rcc7 Ng5 37.Kg2 Ra8 38.h4 Ne6 39.g5 Nc7 40.gh6 (40.Rc7 a2 41.Rc1 a1Q 42.Ra1 Ra1–+) 0–1. pinecrest1981 – redtail, Live Game Caissa's Web, 2005.

7.Qh5 Nc6 8.Be2 Be6 9.Nf3 h6 10.Nd4 Nd4 11.cd4 c5! –/+.

6.e4 d5

7.Bb5 c6

8.Bd3 0–0

9.Qc2 Kh8 10.Nf3 Bg4 11.0–0 Bf3 –+.

9.Qc2 Re8

10.Ne2 c5 11.ed5 Qd5 12.0–0 Qh5 13.Nf4 Qg5 14.Bh7 Kh8 15.g3 g6 16.Qb3 Rf8 –+.

10.Ne2 de4 11.Be4=+ Qe7 12.d3 Na6 13.Nd2 Bg4 14.f3=+ Be6 15.d4 Bf5 16.Qd3 Bh4 17.g3= Be4 18.fe4 Bg5 19.Nf3 Bh6 20.e5 Rad8 21.g4 Nc5 22.Qc2 Ne6 23.h4 g6 24.g5 Bg7 25.Qd2 c5 26.0–0 Qc7 27.Rad1 Kh8 28.Kg2 Kg8 29.Qe3 Qc6 30.Kg3 Qa4 31.Rd2 Qc6 32.Nf4 (32.Nf4 Nf4 33.Qf4=). Andersson,Lars H – Ohlsson,B, corr SSKK 2–92, 1987.

10.Ne2 Qe7!? 11.f3 Be5 –/+.

10.Ne2 Bg4 11.ed5 Be2 –/+.

10.Ne2 h6 11.h3 de4 12.Be4 –/+.

5.g3 Nc6

6.Nf3 Ne5–/+ 7.Ne5 0–0 8.Bg2 d6 9.Nd3 c6 10.0–0 Bf5 11.f3 Bd3 12.ed3–/+ Qb6 13.Kh1 Qb2 14.Qb3 Qa1 15.Na3 Qf1 16.Bf1 d5 17.Nc2 Rab8 18.Qa4 a6 19.d4 Bd6 20.Kg2 Rfe8 21.Bd3 g6 22.Qa5 Nh5 23.Kf2 Re7 24.Qb6 Rbe8 25.Ne3 f5 26.Nd5= Bg3 (26...cd5 27.Qd6) 27.hg3 cd5 28.Qd6 ½–½. Radaikin,Vitaley – Ervin,Roy C, Ventura, 1971.

6.Bf4 Nd5 7.Be3 Ne3–/+ 8.fe3 b6 9.Bg2=+ Bb7 10.Nf3 0–0 11.0–0 Na5 12.d3 Re8 13.Kh1 Bc5 14.e4=+ Bd6 15.Nbd2 c5 16.Qc2 Re6 17.d4 cd4 18.cd4 Rc8 19.Qd3 Rh6 20.e5 Be7 21.e4 d6 22.d5 Rc7 23.Rac1 Qc8 24.Rc7 Qc7 25.ed6 Qd6 26.Nd4+= Bc8 27.Rc1 Bd7 28.Re1 Bf6 29.Nb5 Qb8= 30.Nf1 Be5 31.Nd4= g6 32.Rc1 a6 33.Nc6 Bc6 34.dc6+/– Qc7 35.Ne3 Nc6 (35...Bg3 36.Nd5 Qb8 37.c7 Rh2 38.Kg1 Bc7 39.Rc7 (39.Nc7?! Rh5+–) 39...Qc7 40.Nc7 Rg2 41.Kg2+–) 1–0. McBrayne,RA – Kilpatrick,Robert, corr SCCA q74, 1979.

6.Bf4 Nd5 7.Nh3 g5 8.e4 Nb6 =+ (< 8...gf4 9.ed5 Ne5 10.Nf4+=; 8...Nf4?! 9.gf4 d5 10.Ng5=+).

6.Bf6 gf6 7.Bg2 +=.

6.Bf6 Bf6 7.a4 d5 (7...0–0 8.Bg2+=) 8.Na3 (8.Bg2 0–0+=) 8...a6 (8...d4 9.Nb5–/+) 9.Bg2+= Be6 (9...0–0 10.d4+=) 10.Nf3 Qd7 (10...b6 11.0–0+=) 11.0–0 (11.Nc2 Rb8+=) 11...Bh3 (11...0–0 12.Nc2+=) 12.Nc2 (12.Bh3 Qh3 13.Qb3 0–0–0=) 12...0–0 (12...Bg2 13.Kg2 0–0 14.d4+=) 13.Bh3 Qh3 14.d4 h5 (14...Qe6 15.Ne3+=) 15.Ne3 Ne7 (15...Rfd8 16.Qd3=) 16.Qb3 Qd7 17.c4 (17.Qb7?? Rfb8 18.Rfb1 Rb7 19.Rb7 Re8–+) 17...dc4 18.Qc4 Nc6 (18...c6 19.Rab1=) 19.Rad1 (19.Nd5 Be7+=) 19...g5 (19...Rfd8!?=) 20.Nd5+/– Qd6 (20...Bd8 21.e4+=) 21.e4 (21.e4 Rad8 22.Rd3+=). Zimmermann,Bernd (2120) – Stegmann,Martin (1700), remoteschach.de, 2007.

6.Bf6 Bf6 7.Nf3 d5 8.Bg2 0–0 9.0–0 Be6 10.Re1 Qd7 11.d4 Bh3 12.e4 Bg2 13.Kg2 de4 14.Re4 Rae8 15.Nbd2 Nd8 16.Qe2 Ne6 17.Re1 g6 18.Qe3 Re7 19.c4. Kleinermicha – ffp, playchess.de, 2002.

6.Bf6 Bf6 7.Bg2 0–0 =+.

5.g3 d6

6.Bf6 Bf6 7.Qa4 Bd7 8.Qb3 Bc6 9.Nf3 0–0 10.Bg2 Re8 11.Rg1 Nd7 12.d4 Qe7 13.Qc4 Bd5 14.Qd3 –/+.

6.Bf6 Bf6 7.Bg2 0–0 8.Nf3 Nd7 9.0–0 c6 10.d4 d5 11.Nbd2 Nb6 12.h4 Be6 13.Nh2 Nd7 14.e4 de4 15.Ne4 Nb6 16.Nc5 Rb8 17.Ne6= fe6 18.Ng4 Nd5 19.Bd5 ed5=+ 20.Qd3 b6 21.Rfe1 c5 22.Re6 c4 23.Qc2 a5 24.Rae1 b5 25.a3 b4 26.ab4 ab4 27.cb4 Rb4 28.Nf6+= gf6 29.Qf5 c3?? 30.Re7+– Rf7 31.Re8 Qe8 32.Re8 Kg7 33.Qg4 Kh6 34.Qf4 Kg7+– 35.h5 c2 36.h6 (36.h6 Kg6 37.Rg8 Rg7 38.Rg7 Kh5 39.Qh4) 1–0. Salvatore – DanielMena, ChessWorld.net, 2006.

5.h3 Nc6

6.Bh2 d5 7.e3 0–0 8.Nf3 Bf5 9.Be2 Qd7 10.d4 Ne4 11.0–0 Rac8 12.Ne5 Ne5 13.Be5 c5 14.g4 Bg6–+ 15.f3 f6 16.Bh2 Ng5 17.Kg2 Bd6 18.Bd6=+ Qd6 19.Bd3 f5 20.Bf5 Bf5–+ 21.gf5 Rf5 22.h4 Qg6 23.Kh2 Re8 24.Qe2 Qh5 25.Kg3 Re4!! 26.Nd2 Qh4 (27.Kg2 Nf3 28.Qf3 Rg4 29.Qg4 Qg4 30.Kh2 Rh5#) 0–1. Hansen,Bjarne G (2305) – Schirmer,Michael, corr 3GMM½–09, 1998.

6.Bh2 d5 7.Nf3 0–0 8.e3 Re8 9.Bb5 a6 10.Ba4 Bf5 11.Bc6 bc6 12.Nd4 Bd7 13.0–0 c5 14.Nb3 c4 15.Nd4 c5 16.Ne2 Bf5 17.Nf4 Bd6 18.d4 cd4 19.cd4 1–0. Plume,Gunars – Lelis,Edgars, Latvian, 2005.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
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  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
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