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1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7

(...)

5.a3 (--> 1.b4 e5 2.Bb2 Nf6 3.a3 d6 4.e3 Be7 5.c4).

5.Na3 0–0 6.d3 Bg4 7.Qc2 a6 8.h3 Be6 9.Nf3 c6 10.Be2 b5 11.0–0 Nbd7 12.d4= e4 13.Ng5 d5 14.cb5 ab5 15.Ne6+/– fe6 16.Qc6 Bb4 17.Qe6+– Kh8 18.Nb5 Qb6 19.Qb6 Nb6 20.a3 Be7 21.Rfc1 Nc4? 22.Bc4 dc4 23.Rc4 h6 24.Nc7 Rab8 25.Bc3 Rfc8 26.Ba5 Nd5 27.Nd5 Rc4 28.Ne7 Rb2 29.d5 Rbc2 30.d6 Rc1 31.Rc1 Rc1 32.Kh2 Rd1 33.Bb4 1–0. Wall,Bill – Vkia, internet, 2006.

5.a4 0–0!?+= 6.b5 Be6 7.Nf3 Nbd7 8.Be2 +=.

5.a4 c5 6.bc5= 0–0 (6...Nc6 7.cd6 Bd6 8.Nf3=) 7.cd6 Bd6 8.Nc3 (8.Ne2=) 8...a6 (8...Nc6 9.Nf3=) 9.Nd5 Nd5 10.cd5 Qe7 11.Rc1 Ba3 (11...Nd7 12.Nf3=) 12.Ba3 White gets the initiative 12...Qa3 13.Nf3 Bg4 14.Be2 Re8 (14...Nd7 15.d4+=) 15.0–0 b5 (15...e4 16.Nd4 Be2 17.Ne2+/–) 16.ab5 ab5 (16...Bf3 17.gf3 Qb4 18.ba6 Na6 19.d4+–) 17.Bb5 (17.Ne5 Re5 18.Bg4 Re8+–) 17...Rd8 18.h3 Bh5 (18...Bf3 19.Qf3 (19.gf3?! Qb4 20.Bc4 Nd7+=) 19...Qa5 20.Bc4+–) 19.g4 Bg6 20.Ne5 Be4 21.Nc6 (21.Bc6 Nc6 22.dc6 Qd6+–) 21...Nc6 (21...Rd5 22.f3 Qd6 A) 23.fe4?! Qg3 24.Kh1 Qh3 25.Kg1 Qg3 26.Kh1 Qh3 (worse is 26...Rb5 27.Ne7 Kf8 28.Nf5 Qh3 29.Kg1+=) 27.Kg1 Qg3 28.Kh1 Qh3= (worse is 28...Rb5 29.Ne7 Kf8 30.Nf5 Qh3 31.Kg1+=); B) 23.Ne7 Kf8 24.Rc8 (24.fe4?! Qg3 25.Kh1 Qh3 26.Kg1 Qg3 27.Kh1 Qh3 28.Kg1 Qg3 29.Kh1 Qh3=) 24...Ke7 25.Re8 Kf6 26.fe4 Kg6 27.Qf3 (27.ed5?! Qg3 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qh3 31.Kg1 Qg3 32.Kh1 Qh3=) 27...Rb5 28.Qf7 Kh6 29.Re6 Qe6 30.Qe6 g6 31.Qe8 Nd7 32.Qa8 Rb8 33.Qd5 Rf8 34.Qd7 Rb8 35.Rf7 Rb1 36.Kf2 Rb4 37.Rh7 Kg5 38.Qe7) 22.dc6 (22.Rc6?! Bd5 23.Rc3 Qe7+/–) 22...Ra5?? (22...Qa5 23.Qb3 Bd5+–) 23.c7 Rc8 24.Bd7 (24.Bd7 Raa8 25.Ra1+–) 1–0. Wall,Bill – Skwarone, Microsoft Gaming Zone, 1999.

5.b5 b6 6.Be2 Bb7 7.Nf3 0–0 8.0–0 Nbd7 9.d4 ed4 10.Nd4 d5 11.Bf3 Nc5 12.Qc2 dc4 13.Bb7+/– Nb7 14.Nc6 Qe8 15.Qc4 Nc5 16.Nc3 Bd6 17.Ne2 Nfd7 18.Nf4 Ne5 19.Qd4 f6+= 20.Qd5 Kh8 21.Be5 Be5 22.Rad1 Bf4 23.ef4 Qe4 24.Rd4 Qd5+= 25.Rd5 Rfe8 26.f3 Re6 (26...a6!? 27.ba6 Ra6=+) ½–½. Luettig,Hendrik – Kuhle,Sebastian, Pinneberg–ch op, 1996.

5.b5 Bd7 6.Ne2 0–0 7.d4 (7.Ng3 Be6 8.d4 ed4 9.Bd4 c5 10.Bc3 d5+=; 7.f4 a6 8.fe5 de5 9.ba6 Na6 10.Be5 Nb4+=) 7...e4 8.Nbc3 (8.Ng3 c6 9.bc6 bc6 10.Be2 d5=) 8...c6 9.Ng3 (9.bc6 bc6 10.Ng3 d5=) 9...d5 (9...cb5 10.Nge4 Ne4=) 10.bc6 bc6 11.Be2 Qa5 12.Qc1 Na6 13.cd5 cd5 14.f3 Bb4 15.a3 Bd6 16.0–0 Rac8 17.Qd2 Nb8 (17...Rb8 18.Ra2 ef3 19.Rf3=) 18.Nce4 Qd2 19.Nd2 Bg3 (19...Rfe8!? 20.Kf2 Rc2=) 20.hg3+= Nh5 (20...Rfe8!? 21.Kf2 Rc2+=) 21.Kf2+/– f5 22.Rfc1 Nf6 23.Bc3 a6 24.Rab1 Bb5 (24...Rc7 25.Nb3+–) 25.Bb5 ab5 26.Rb5 Nbd7 27.a4 Rc7 28.a5 Rfc8 29.Rb3 Ra8 30.Ra3 Rca7 31.Rca1 Rc7 32.Bb4 Rc2 33.a6 Nb6 34.a7 Nc4? 35.R3a2 Ra2 36.Ra2 Nd2 37.Bd2 Kf7 38.Bb4 Nd7 39.f4 g6 40.Bd6 Nb6 41.Kf3 Nc8 42.Bc5 Ke8 43.Rb2 Kd7 44.Rb7 Kc6 45.Rb8 (45.Rb8 Ra7 46.Rc8 Rc7 47.Rh8+–) 1–0. Bonetti,Shane – guest164, ICC, 2002.

5.b5 Bg4 6.Be2 Be2 7.Ne2= 0–0 8.Ng3 Nbd7 9.a4 a6 10.Nc3 ab5= 11.cb5 Nc5 12.d4= ed4 13.ed4 Ne6 14.0–0 d5 15.Re1 Bb4 16.Re3 Qd7 17.Nce2 c6 18.Qb3 Ba5 19.Ba3= Rfe8 20.Nf5 Ne4 21.Nfg3 Nd2 22.Qd3 Nc4–/+ 23.Rf3? Nd2?? 24.Rf5 g6–/+ 25.Nh5? gh5–+ 26.Rh5 f6 27.Qg3 Qg7 28.Qd3 Kh8 29.Bc1?? Ne4 30.f3 Rg8 31.g3 N4g5 32.Rh4 Qg6 33.Qe3?! Qf5 34.Kg2 cb5 35.ab5 b6 36.Ng1? Qg6 37.Rg4 Qh5 38.h4 Nf7?? 39.Rg8 Rg8= 40.Qe6 Rg7 (40...Kg7+–) 1–0. Thielscher,Rene – Poehler,Andreas, Pinneberg–ch op, 1995.

5.Qc2 Nbd7 6.Nc3 c6 7.Nge2 0–0 8.Ng3 d5 9.a3 a5 10.b5 d4 11.Na4 cb5 12.cb5 Nb6 13.ed4 ed4 14.Bd3 Be6 15.Nb6 Qb6 16.Qa4 Rad8 17.0–0 h5 18.Rae1 Bc5 19.Re5 h4 20.Nh5 Be7 21.Qd1 Nd7 22.Re6 Qe6=+ 23.Re1 Qd6 24.Qg4 Bf6 25.Qe4= g6 26.Nf6 Nf6 27.Qb7 Rfe8 28.Re8 Re8 29.Qf3?? Re1–/+ 30.Bf1 Nd7?? 31.Qc6 ½–½. Neuschl,Zdenek (2145) – Aichmaier,David, MOR–chT2N, 2003.

5.Nc3 a6 6.d4 Nc6 7.a3 ed4 8.ed4 0–0 9.Nf3 Re8 10.Be2 d5 11.0–0 dc4 12.d5 Nb8 13.Bc4 Bg4 14.Qd3 Nbd7 15.Rfe1 Bd6 16.Re8 Qe8 17.Re1 Qf8 18.Ne4 Re8 19.Nf6 Nf6 20.Bf6 gf6 21.Re8 Qe8 22.h3 Bh5 23.Qf5 Bg6 24.Qf6 Qe4 25.Qd4 Qd4 26.Nd4+/– Be5 27.Ne2 Kf8 28.f4 Bb2 29.a4 Ba3 30.b5 ab5 31.ab5 b6 32.g4 Bc5 33.Kg2 f5 34.g5 Kg7 35.Ng3 h6 36.h4 hg5 37.hg5 Bd6 38.Kf3 Kf8 39.Bd3 Bf7 40.Bc4 Bg6 41.Bd3 Bf7 42.Bc4?? Bg6= ½–½. marnzell – Skean Du, ChessWorld.net, 2006.

5.Nc3 c5 6.b5 a6 7.a4 Bf5 8.d4 0–0 9.Bd3 e4 10.Bc2 ab5 11.ab5 Ra1 12.Qa1 cd4 13.ed4 Qc7 14.Bb3 Nbd7 15.Nd1 Nb6 16.Ne3 Bd7 17.Ne2 Ng4 18.Nc3 Ne3 19.fe3 Be6 c4 seems the pivot of the position 20.d5 (worse is 20.Ne4 Nc4 21.0–0 Ne3–/+) 20...Qc5 21.0–0 (21.de6 Qe3 22.Kd1 Bg5+=) 21...Bg4 (better is 21...Bd7!?+=) 22.Kh1 Nc4 23.Ne4 Qe3 (23...Qd5? 24.Bg7 Qe4 25.Bf8 Bf8 26.Rf4+–) 24.Bc4 Qe4 25.Re1 Qc4 26.Re7 f6 (26...Qd5?! 27.Bg7 Bh3 28.Re2=) 27.Rb7 Re8 28.Bd4 Bh3! 29.Ra7 (29.gh3 Qd5 Double attack (29...Qb3 Decoy)) 29...Re2 30.Qc3 Bg2 31.Kg1 Qc3 (31...Qb5 32.Qc8 Qe8 33.Qe8 Re8 34.Kg2 Re2 35.Kf3 Rh2 36.Ra6+–; 31...Bd5?! 32.Qc4 Bc4 33.b6–/+) 32.Bc3 Bd5 33.b6 Rg2 34.Kf1 Rh2 35.b7 Bb7! 36.Rb7 d5 37.Rd7 Rh5 38.Kf2 Rf5 39.Ke3 (39.Kg3 h5–+) 39...h5 40.Be1 g5 41.Ke2 h4 42.Bf2 h3 43.Bg3 g4 44.Bh2 Kf8 45.Bd6 Ke8 46.Re7 Kd8 47.Rg7 Rh5 48.Bh2 f5 49.Ke3 Ke8 50.Kf4 d4 51.Ra7 d3 52.Ra3 d2 53.Rd3 Ke7 54.Rd2 Ke6 55.Ra2 (55.Re2!? Kf6 56.Re5–/+) 55...Kf6–+ 56.Ra6 ½–½. poesimannen (1920) – mcjim (2060), gameknot.com, 2013.

5.Nc3 Nc6 6.Nf3 Nb4–/+ 7.Qb3 Nc6 8.c5 0–0–+ 9.Bc4 h6 10.cd6 cd6 11.Nd5 Nd7 12.Bd3 Nc5 13.Qc2 Nd3 14.Qd3 Be6 15.Bc3 f5–+ 16.Qb5 Bd5 17.Qd5–/+ Kh8 18.0–0 Rb8 19.Rfe1 Bf6 20.d4 ed4 21.Bd4 Bd4 22.Nd4 Nd4 23.Qd4 b6 24.Rad1 Re8 0–1. Browne,Norman – Saylor,Oliver, Detroit op1, 2003.

5.Nc3 Bg4 6.Be2= Be6 7.Qb3 0–0 8.Bf3 c6=+ 9.d3 d5 10.Nge2 Qd6 11.a3 b5 12.c5 Qc7=+ 13.Qc2 Rd8 14.0–0 a5 15.g3 Na6 16.Na2 Rd7 17.e4 d4 18.ba5? Ba2 19.Ra2 Nc5 20.Rc1 Ra5 21.Rca1 Rd8 22.Nc1 Na4 23.Nb3 Ra6 24.Bg2 c5 25.Nd2 Rc8 26.Rc1 Nd7 27.Bh3 Rca8 28.Qb3 Ra5 29.f4 ef4 30.Bd4 fg3 31.Qd5 gh2 32.Kh1 Ndb6 33.Qe5 Qe5 34.Be5 Bg5 35.Kh2 Rd8 36.Rg1 h6 37.Nf3 f6 38.Be6 Kf8 39.Bc7 Rd3 40.Ng5 hg5 41.Rf2 Ke7 42.Bh3 Ra7 43.Bg3 Nc3 44.Re1 Nc4 45.e5 Re3 46.ef6 gf6 47.Ref1 Ne4 48.Rf3 Rf3 49.Rf3 Ng3 50.Kg3 Ra3 51.Bf1 Rf3 52.Kf3 Nd2 (53.Ke3 Nf1 54.Kf2 b4–+) 0–1. Kabela,Adam – Gergelits,Vaclav, CZE–ch U10 Hradec Kralove, 1997.

5.d3 c6 6.Nd2 Nbd7 7.Qc2 d5 8.c5 0–0 9.Ngf3 Qc7 10.Be2 b6 11.0–0 bc5 12.bc5 Bb7 13.d4 e4 14.Ne1 Ne8 15.g3 f5 16.Ng2 Ndf6 17.Nf4 Bc8 18.h4 Ng4 19.Kg2 g6 20.Rh1 Nef6 21.Nb3 a5 22.a4 Kf7 23.Bc3 Bd8 24.Qd2 Qb7 25.Na5 Ba5 26.Ba5 Ra5 27.Qa5 Bd7 28.Rhb1 Qc8 29.Rb2 (29.Rb2 h6 30.Ba6) 1–0. Andersson,Lars H – Engberg,Valle, Sweden, 1988.

5.d3 Bd7 6.Nf3 Nc6 7.a3 a6 8.Be2 0–0 9.Nbd2 Be6 10.0–0 d5 (10...Bg4 11.Ng5 Be2 12.Qe2=) 11.cd5 (11.Ne5 Ne5 12.Be5 dc4 13.dc4 a5+/–) 11...Nd5 (11...Qd5!? 12.Ng5 Rad8=) 12.Ne5+/– Ne5 13.Be5 Bf6 14.Bf6 Nf6 15.Nf3 c6 16.d4 Bd5 17.Ne5 Re8 18.Bf3 h6 19.Bd5 Qd5 20.Qf3 Qf3 21.Nf3 Ne4 22.Rac1 g5 23.Rfd1 f5 24.Ne5 Rf8 25.Nd7 Rf7 26.Nc5 Nd6 27.Rf1 Nb5 28.Ra1 b6 29.Nd3 Nd6 30.Ne5 Rc7 31.Rfc1 Ne4 32.Nc6 Kg7 33.Ne5 Rac8 34.Nd3 b5 35.Rc7 Rc7 36.Rc1 Rc4 37.Kf1 Nd2 38.Ke2 Nb3?? 39.Rc4 bc4 40.Ne5 Kf6 41.Nc4 Ke6 42.Kd3 Kd5 43.Nd2 Nc1 44.Kc2 Ne2 45.Nb3 Kc4 46.Nc5 Nc3 47.Na6 Na4 48.Nc5 Nb6 49.Ne6 Nd5 50.Ng7 f4 51.g3 fe3 52.fe3 Ne3 53.Kd2 Kd4 54.Ne6 Ke4 55.b5 Nc4 56.Kc3 Nb6 57.Nd4 Kd5 58.Kb4?? Kd4–/+ 59.Ka5 Kc5 60.a4? h5 61.h3 Nc4 62.Ka6+= Nb6 63.a5 Nc4 64.b6 Nd6?? 65.b7+– Nb7 66.Kb7 Kb5 67.a6 Kc4 68.a7 Kd4 69.a8Q Ke4 70.Qf8 Ke5 71.Kc6 Ke4 72.Kd6 Kd3 73.Kd5 Ke3 74.Ke5 Kd3 75.Kd5 Ke3 76.Qe8 Kf3 77.Qe5 Kg2 78.Qg5 Kh3 79.Qh5 Kg2 80.Ke4 Kf2 81.g4 Ke2 82.Qh2 Kd1 83.Kd3 Ke1 84.Qe2 1–0. Fournier,Frederic – genthoal, Active, 2007.

5.d3 Be6 6.Nd2 b6 7.Be2 (7.Ngf3 0–0 8.Be2 h6 9.0–0 Qc8 10.Qc2 Qb7 11.Bc3 Nbd7 12.h3 Rab8) 7...c5 (7...0–0!?= 8.Ngf3 a5 9.b5 Nbd7 10.d4 ed4 11.Nd4 Nc5 12.0–0 Qd7; 7...Nbd7 8.Ngf3 0–0 9.0–0 h6 10.Qc2 c6 11.d4 Qc7 12.Bc3 Rab8; 7...a5 8.b5 Nbd7 9.Ngf3 h6 10.Qc2 Bf5 11.Nh4 Bg4 12.Bg4 Ng4) 8.Bf3 (8.bc5 bc5 9.Bf3 d5 10.cd5 Nd5 11.Nc4 0–0 12.Ne2 Nc6) 8...d5 (8...Nbd7 9.b5 Rb8 10.Ne2 0–0 11.0–0 Qc7 12.Nc3 g6) 9.b5 (9.bc5 Nbd7 (9...0–0 10.Be5 Nbd7 11.Bf6 Nf6 12.Ne2 bc5) 10.cb6 (10.c6 Nc5 11.Nb3 e4 12.Nc5 bc5) 10...ab6 11.cd5 Nd5+= 12.Bd5 Bd5) 9...Nbd7 (9...0–0 10.Ne2 a6 11.Qa4 Nbd7 12.ba6 Qc8) 10.a4 (10.Qb3 Bf5 11.Qc2 Be6 12.Ne2 0–0) 10...a5 (10...0–0 11.Ne2 a6 12.0–0 ab5) 11.cd5 (11.Qb3 Bf5 12.Rd1 0–0) 11...Bd5 (11...Nd5 12.Ne2 0–0) 12.Bd5 Nd5 13.Nc4 Bf6 14.Qf3 Nb4 15.Nd6 Kf8 (better is 15...Ke7 16.Nf5 Kf8=) 16.Qe2?? (better is 16.Rd1+=) 16...Nb8–/+ 17.Nc4 Nd3 18.Kf1 Nb2 19.Nb2 Nd7 20.Rd1 Qe7 21.Nc4 Rd8 22.Rd6 Rb8 23.Qd2+= Rd8 24.Ne2 e4 25.Nf4+= Nb8 26.Ke2 Rd6= 27.Qd6 Qd6 28.Nd6 Ke7 29.Ne4 Rd8 30.Nf6 Kf6= 31.e4 Rd4 32.Nd5 Ke5 33.Nb6 Re4 34.Kf3 Rb4 35.Rd1 Rd4 36.Rc1 Kd6+= 37.Nc4 Kd5 38.Ne3 Ke6 39.Rc5 Ra4 40.b6 Rb4 41.Nc4 Nd7 42.Rc6 Kd5 43.Na5?? Rb6 44.Rc8 Rf6 45.Kg3 Rg6 46.Kh3 Rh6 47.Kg4 Rg6 48.Kf3 Ne5–/+ 49.Kf4 Rf6 50.Kg3+= Rg6 51.Kh3 Rh6 52.Kg3 Rg6 53.Kf4 Nd3 54.Ke3+= Ne5 55.Rd8 Rd6 56.Rd6= Kd6 57.Kf4 Nd7 58.Ke3 Ne5 59.f4 Nd7 60.Nc4 Ke6 61.g4 f5 62.g5 h6 63.h4 hg5 64.fg5 g6 65.Kf4 Nc5? 66.Ne5+– Nd7 67.Ng6 Nc5 68.h5 Nd3 69.Ke3 Nc5 70.Nf4 Kf7 71.g6 Kg7 72.Kd4 Nd7 73.Ne6 Kg8?? 74.h6 Nf6 75.Ng7 Kh8?? 76.Nf5 Ng4 77.h7 Nf6 78.g7 Kh7= 79.Ke5 Ne8 80.Ke6 Ng7 81.Ng7 Kg7 ½–½. Rygin,Ivan – Mudrenova,Polina, Kineshma RUS, Open, 2011.

5.d3 Bf5 6.Nd2 0–0 7.Be2 Nbd7 8.Qc2 c6 9.e4 Be6 10.Ngf3 Ne8 11.Nf1 f5 12.ef5 Bf5 13.Ne3 Bg6 14.a3 Nc7 15.h4 Bh5 16.g4 Bf7=+ 17.0–0–0 a5–/+ 18.ba5 Ra5 19.Nf5 Be6 20.Ne7 Qe7 21.Rdg1 Rfa8 22.Ng5 d5 23.d4=+ h6 24.Qh7= Kf8 25.Ne6 Qe6 26.de5 dc4 27.Qf5 Qf5=+ 28.gf5 Ne5 29.f4 Nf7 30.Rg7 Rf5 31.Rf1 b5 32.Bg4 Rd5 33.Bf3 Rd6?? 34.Bh5+– Rd7 35.Rfg1 Ne8 36.Rg8 Ke7 37.Re1 Kd6 38.Rge8 (38.Rge8 Re8 39.Re8+–) 1–0. Andersson,Lars H – Mella, Sweden, 1988.

5.Bd3 e4 6.Bc2 Bf5 7.Ne2 0–0 8.Ng3= Bg6 9.Nc3 Nc6 10.Nce4 Nb4 11.Bb1 Ne4–/+ 12.Ne4 d5 13.a3 de4–+ 14.ab4 Bb4 15.0–0 Qd2 16.Qb3 Qd6 17.Rd1 Qe7 18.Rd5 a5 19.Re5 Qd6 20.Be4–/+ Be4 21.Re4 Rfd8 22.Rg4 g6 23.h4? Qd3 24.Qa2 Qe2–+ (24...Qe2 25.Rd4 Be1 26.Rd8 Rd8–+) 0–1. Wwgia (1930) – Giampaolo (2340), internet, 2008.

5.d4 Nc6 6.b5 Na5 7.Be2 0–0 8.h3 b6 9.Nf3 Bb7 10.0–0 ed4 11.Nd4 c5 12.Nf5+= d5 13.Ne7 Qe7= 14.Bf3?? Nc4–+ 15.Bf6 Qf6 16.Nc3?? Qc3 17.Bd5 Rad8 18.Bf7 Kf7 (18...Kf7 19.Qh5 Kg8–+) 0–1. gtate (1925) – flyfishermike (1970), net–chess.com, 2006.

5.d4 Rf8 6.d5 Bf5 7.Ne2 Na6 8.Ng3 Bg6 9.a3+= Rh8 10.Bd3 Bd3 11.Qd3 h5 12.e4 Rh6 13.Nf5 Rg6 14.0–0 Nh7 15.Nd2 Kf8 16.Nb3 c6 17.dc6 bc6 18.c5 dc5 19.Qa6 cb4 20.ab4 c5 21.Qe2 (21.Qe2 cb4 22.Qh5+–) 1–0. woschkat (1990) – billy (1700), net–chess.com, 2001.

5.Be2 a5 6.b5 Nbd7 7.Nc3 b6 8.Nf3 Bb7 9.0–0 0–0 10.d4 c6 11.a4 (11.bc6 Bc6 12.Qb1 (12.Bd3 e4 13.d5 ef3 14.dc6 fg2 15.Kg2 Ne5 16.Nd5=; 12.Rb1 Re8 13.Qc2 Rc8 14.Qf5 ed4 15.ed4 d5 16.Nd2=; 12.Qc2 Rc8 13.e4 ed4 14.Nd4 Bb7 15.f3 Re8 16.Rad1+=) 12...Rc8 13.e4 Re8 14.Rd1 ed4 15.Nd4 Bb7 16.Nf5+=) 11...c5 (11...Rc8 12.Rc1 (12.Qb3 cb5 13.ab5 Qc7 14.Ra4 ed4 15.ed4 d5 16.cd5=; 12.Re1 cb5 13.ab5 Bf3 14.gf3 Re8 15.Ra4 Rc7 16.Qd3+=) 12...cb5 13.Nb5 e4 14.Nd2 d5 15.Qb3 Rc6 16.Rfd1+=) 12.de5 (12.d5 Bc8 13.Nd2 Ne8 14.Qc2 f5 15.f4 Nc7 16.Rad1+/–) 12...Ne5 (12...de5 13.Qc2 e4 14.Ng5 Bd6 15.f4 ef3 16.Bf3=) 13.Nd5 (13.Nd2 Re8 14.Qc2 Qc7 15.e4 Ng6 16.Rae1+=) 13...Nf3 (13...Re8!?= 14.Rc1 Nd5 15.cd5 Bf6 16.Be5+=; 13...Rc8 14.Ne5 de5 15.Be5 Nd5 16.Bf3=) 14.Bf3+/– Nd5 (14...Bd5 15.Bd5 Nd5 16.Qd5+/–) 15.Bd5 Bd5 16.Qd5 Bf6 17.Rab1 Rc8 18.Rfd1 Be7 19.Qf3 f6 20.Rd5 Qe8 21.Rbd1 Qf7 22.e4 Rc7 23.Qe2 h6 24.R1d3 Kh7 25.Rg3 Rd7 26.Qd3 g6 (26...Re8 27.h3+/–) 27.Rf3 (27.f4 Rdd8+–) 27...Qe6 28.h3 Rf7 29.Rg3 Bf8 30.f4 f5 31.ef5 Rf5 32.Re3 (32.Rg6! Kg6 33.g4+/–) 32...Rd5+= 33.cd5 (33.Re6?? Rd3 34.h4 Re7 35.Re7 Be7–+) 33...Qf7 34.Re6 Bg7 35.Bg7 Kg7 36.Qe4 Kh7 37.g4 Qg7 38.Kg2 Qb2 39.Kg3 Qc3 40.Kh4 Qg7 41.g5 hg5 42.fg5 Qd4 43.Qd4 cd4 44.Re4 d3 45.Rd4 Rc7 46.Kg3 Rc3 47.Kf2 d2 48.Rd2 Rh3 49.Rd4 Rh1 50.Kf3 Rf1= 51.Kg3 Rf5 52.Kg4 Kg7 53.Rd3 Re5 54.Kf4 Rf5 ½–½. Lein,Marina (2015) – Pfister_Rodina,Valentina, VII Camp. europeo senior, 2007.

5.Be2 a6 6.Nc3 Bf5 7.Nf3 Nc6 8.a3 Qd7 (8...e4 A) 9.Nh4 Be6 (9...Bd7 10.g4 h6 11.Nf5 Bf5 12.gf5 Qd7 13.Rg1 Qf5=) 10.g4= 0–0 11.g5 Nd7 12.Ne4 d5 13.cd5 Bd5=; B) 9.Nd4 Nd4 10.ed4 a5 11.d3 ed3 12.Bd3 Bd3 13.Qd3 ab4=) 9.0–0 (9.d4 e4 10.Nd2 Bg6 11.Nd5 Nd5 12.cd5 Nd8 13.Qc2 f5+=; 9.Nd5 0–0 (9...Nd5 10.cd5 Na7 11.0–0 0–0 12.d4 e4 13.Nd2 Rfe8=; 9...Be4 10.Ne7 Qe7 11.d3 Bf5 12.0–0 0–0 13.d4 e4=; 9...e4 10.Nd4 Nd4 11.Bd4 Nd5 12.cd5 0–0 13.d3 Rae8+=) 10.Ne7 Qe7 11.d4 e4 12.Nd2 d5 13.0–0 dc4=) 9...Nd8 (9...e4 10.Nh4 Be6 11.Qc2= (11.f3 Ne5 12.fe4 Nc4 13.Bc4 Bc4+=) 11...Qd8 12.f4 ef3 13.Nf3 a5+=) 10.d4+= ed4 (10...e4 11.Nd2 a5 12.d5 ab4 13.ab4 Ra1+/–) 11.Nd4 Bg6 12.f4 (12.Nd5 0–0 13.Nf4 Be4+/–) 12...h6 (12...c5 13.Na4 Rb8=) 13.f5 Bh7 14.e4 c5 (14...0–0 15.Qd3+/–) 15.Nf3 Nc6 16.Nd5 Qd8 17.b5 (worse is 17.Ne7 Qe7 18.b5 Ne5+=) 17...ab5 18.cb5 Nb8 (18...Na5 19.Bf6 Bf6 20.Ra2+/–) 19.Ne7 Qe7 20.e5 (20.Bf6 Qf6 21.Qd5 Qe7+/–) 20...de5 21.Ne5 0–0 22.Bc4 Nbd7 23.Re1 Ne5 24.Be5 Qd7 (24...Bf5!? 25.Bd6 Qd7 26.Bf8 Kf8+=) 25.Bf6+– Qd1 26.Red1 gf6 27.g4 +/–. Schiffler,Leonhard – Markert,Markus, corr, 1950.

5.Be2 b6 (withdraw, 1–0). Cardoso – Mi Kern, corr 3GMM–60 1995.

5.Be2 c5 6.bc5= dc5 (6...0–0 7.cd6 Qd6 8.d4 ed4 9.ed4+=) 7.Be5+= Nc6 8.Bc3 Ne4 (8...0–0 9.d3+=) 9.Bf3 Nc3 10.Bc6 (10.dc3?! Qc7=) 10...bc6 11.Nc3 Qd3 (11...0–0 12.Qc2+=) 12.Qf3 0–0 13.Qc6 Bf5 (13...Qc4 14.Qa8 Ba6 15.Qf8 Kf8 16.Nge2+/–) 14.Nd5 Bh4 15.Qc5 Rac8 16.Qa7 (16.Qd4!? Rc4 17.Qd3 Bd3+/–) 16...Rc4+/– 17.Ne7 Be7 18.Qe7 Rc2 19.Rd1 Bc8 (19...Rb8 20.Nf3+/–) 20.Ne2+– ½–½. Woschkat,Karl_Heinz – Wenger,Joseph, IECC, 1995.

5.Be2 Nc6 6.b5 Nb8 7.a4 (7.Nf3 a6 8.0–0 0–0 9.Qc2 ab5 10.cb5 c6 11.Nc3=) 7...Nbd7 (7...0–0 8.d4 e4 9.Nc3 Bf5 10.Qc2 Re8 11.Nh3=) 8.Nf3 h6 (8...0–0 9.d4 (9.0–0= a6 10.Nc3 ab5 11.ab5=) 9...e4 10.Nfd2 c6 11.Nc3=; 8...a6 9.d4 e4 10.Nfd2 ab5 11.ab5+=) 9.0–0 (9.d4 e4 10.Nfd2 d5 11.Nc3+=) 9...0–0 (9...a6 10.d4 ed4 11.Bd4+=) 10.d3 (10.d4 ed4 11.Bd4+=) 10...Nc5 (10...a6 11.Nc3=) 11.Nbd2 (11.Nc3+=) 11...Bf5 12.d4 Nd3 13.Bd3 (13.Qc2 Nf4 14.Qf5+= (14.ef4?? Bc2 15.fe5 de5–+)) 13...Bd3+= 14.Re1 e4 15.Nh4 (15.Qb3!?=) 15...Qd7–/+ 16.f3 g5 17.Ne4 Be4 18.fe4 Ne4 (better is 18...gh4 19.e5 Ne4–/+) 19.Nf3 Qe6 (19...f5 20.Nd2=) 20.d5 Qg4 21.Nd2 (21.Rf1 Bf6 22.h3 Qg3 23.Bf6 Nf6+/–) 21...Qd1= 22.Rad1 Nc5 23.Nf3 (23.Bd4!?=) 23...Na4+= 24.Bd4 f5 25.e4 Bf6 (25...f4 26.Ra1 Nb6 27.Ra2+=) 26.e5 (26.ef5 Bd4 27.Nd4 Nb2+=) 26...Be5 (26...de5 27.Ne5 a6 28.Rb1+=) 27.Be5 (better is 27.Ne5!? de5 28.Re5+=) 27...de5+= 28.Re5 Nb6 29.Nd2 Rae8 30.Rde1 Re5 31.Re5 Rf7 32.Kf2 Kg7+= 33.Ke3 a6 34.ba6 ba6 35.Kd4 a5 36.c5 Nd7 37.Re1 Kf6 38.Re6 Kg7 39.Nc4 f4 40.Na5 f3 41.gf3+/– Rf3 42.Re7 Rf7 43.Re4 Nf6+= 44.Re2 Nd7 45.Nc4 Rf4+= 46.Re4 Re4 47.Ke4 Nc5 48.Kf3 Kf6 49.d6 cd6–/+ 50.Nd6 Ne6 51.Ne4 Kg6 52.h3 h5 53.Nf2 Kf5–+ 54.Ke3 Nf4 55.Kd2 Ng2 56.Ke2 Kf4 57.Kf1? Nh4 58.Kg1 Kf3 59.Nd3 Kg3 60.Nf2 Nf3 61.Kf1 Nd2 62.Ke2 Kg2 63.Ke3 Nf1 64.Ke2 Ng3 65.Ke3 Nf5 66.Ke2 Kg3 67.Ne4 Kf4 68.Nf6? h4 69.Nh5 Ke4 70.Nf6 Ke5 71.Ng4 Kf4 72.Kf1?? Ng7 73.Kg2 Ne6 74.Nf2 Ke3 75.Ng4 Ke2 76.Nf6 Nf4 77.Kh2 Kf3 78.Nd7 Ne2 79.Ne5 Kf4 80.Ng6 Ke3 81.Ne5 Nd4 82.Ng4 Kf4 83.Nf2 Kf3 84.Ng4 Ne2 85.Ne5 Kf4 86.Ng6 Ke4 87.Nh8 Nf4 88.Nf7 Ne6 89.Nd6 Kf3 90.Nc4 Kf2 91.Ne5 Nd4 92.Ng4 Kf1 93.Ne3 Ke2 94.Ng4 Nf3 95.Kg2 Ne1 96.Kh2 Nd3 97.Nf6 Kf3 98.Ng4 Nf2 99.Ne5 Kf4 100.Ng6 Ke4 ½–½. Schutz – Manning, 1987.

5.Be2 e4 6.Nc3 c6 (6...Nc6 7.a3+=) 7.Qc2 (7.d3 ed3 8.Bd3 Nbd7=) 7...d5 8.a3 Bg4 (8...Bf5 9.cd5 cd5 10.d3=) 9.h3 (better is 9.Bg4 Ng4 10.cd5+/–) 9...Be2= 10.Nge2 h5 (10...a5 11.b5=) 11.Rc1 Bd6 (11...a5!? 12.b5 Nbd7=) 12.cd5+/– cd5 13.Nb5 Nc6 14.Nd6 Qd6 15.Nd4 Rc8?? (better is 15...Nd4 16.Bd4 b5+=) 16.Nf5 (16.b5 0–0 17.bc6 bc6 18.Nc6 Nd7+–) 16...Qf8 (16...Qd8 17.Qc5 b6 18.Ng7 Kd7 19.Qb5+–) 17.b5 Ne7 (17...Kd8 18.bc6 Rc6 19.Qb3 Rc1 20.Bc1+–) 18.Nd6 (better is 18.Qc8 Nc8 19.Rc8 Kd7 20.Rf8 Rf8 21.Ng7 Rc8+–) 18...Kd7 19.Nc8 Nc8 20.Qc7 Ke6 21.Qe5 Kd7 22.Rc7 Kd8+– 23.Rb7 Qd6 24.0–0 Re8 25.Qd6 Nd6 26.Ra7 Re6 27.b6 Kc8 28.Rc1 Kb8 29.Rc6 Nc8 30.Re6 fe6 31.Be5 Nd6 32.Bd6 Kc8 33.Rc7 Kd8 34.b7 (34.b7 e5 35.b8Q#) 1–0. Jahnke,Bernd (1800) – Avram,Ioan, Dortmund op–B, 2004.

5.Ne2 Nbd7 6.Nec3 c6 7.Qc2 b6 8.Be2 Bb7 9.0–0= d5 10.a3 Qc7 11.d3 Bd6 12.e4 0–0 13.Nd2 Rfe8 14.Qb3 d4=+ 15.Na2 Nf8 16.Rae1 Bc8 17.Qd1 Ng6 18.Nb3 Be6 19.Bc1=+ Be7 20.f4= Nf8?? 21.fe5+/– N6d7 22.Nd4 Ne5 23.Ne6 Ne6 24.Be3 Ng6 25.d4 Rad8 26.d5 Bd6+= 27.h3 Bg3 28.Bf2 Ng5 29.Bg4 Re4 30.Re4 Ne4 31.Bg3 Qg3 32.Rf3 Qd6 33.Re3 cd5 34.Bf5? Nf6 35.Rd3? Ne5–+ 36.Rd4 Nc4 37.Qf3 Qe5 38.Rd1 Qe3 39.Qf2 Qf2 40.Kf2 g6 41.Bd3 Nb2 42.Rd2 Nd3 43.Rd3 Kf8 44.Kf3 Ke7 45.Nc3 Rd7 46.Kf4 Nh5 47.Kf3–/+ Nf6 48.Kf4–+ h6 49.Re3 Kd6–+ 50.Rd3 Re7 51.Nb5 Kc6 52.Nc3 a6 53.Kf3 Re5 54.Kf4 Rf5 55.Ke3 Nd7 56.Ne2 Re5 57.Kd2 f5 58.Nc3 Nf6 59.Ne2 Ne4 60.Ke1 Nd6 61.Kd2 Nc4 62.Ke1 Re3 63.Re3 Ne3 64.Kf2 Nc2 65.Nf4 g5 66.Ne6 Na3 67.Ng7?! f4 68.Nf5 h5 69.Ng7 Nc2 70.Ne6 a5 71.ba5 ba5 72.Ng5 a4 73.Kf3 a3 74.Kf4 a2 75.g4 a1Q (75...a1Q 76.Kf5 Ne3 77.Ke6 hg4 78.hg4 Qg7–+) 0–1. Engelhardt,Erhard (1690) – Garms,Ilse, 14sen.Brandenburg op, 2005.

5.Nf3 0–0 6.Be2 Bg4 (--> 5.Nf3 Bg4 6.Be2 0–0).

5.Nf3 Na6 6.a3 e4=+ 7.Ng1 0–0 8.d3 c5 9.de4 cb4 10.Bd3 ba3=+ 11.Ra3 Nc5 12.Nd2 Qb6 13.Qa1 Nd3 14.Rd3 Be6 15.Ne2 Rfc8 16.0–0 Bc4=+ 17.Nc4 Rc4 18.Ng3 Rc2 19.Bc3 Qc6 20.f3 Qc4 21.Rfd1 Ne8 22.Nf5 Bf8 23.Nd4 Ra2 24.Qb1 Qa6 25.Nc2 d5 26.ed5+= Rc8 27.e4 Bc5 28.Kh1 Nd6 29.e5 Nc4 30.e6 Nd6 31.Nb4+/– Bb4 32.Bb4 Rcc2? 33.e7+– Ne8 34.d6 Rg2 35.Bd2 Rh2 36.Kh2 Nd6 37.Kg1 Ne8 38.Rd8 Qc6 39.Qb7! Qa4 40.Qb3! h6 41.Qa4 Ra4 42.Re8 Kh7 43.Rf8 a6 44.e8Q Rc4 45.Qf7 Rc6 46.Qe8 Rg6 47.Kh1 Rg1 48.Rg1 (48.Rg1 g5 49.Qf7#) 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Nf3 Ne4 6.d4 f5 7.de5+/– de5 8.Qd8 Bd8 9.Be5 Rg8 10.c5 Be6 11.Nd4+– Bd5 12.f3 c6 13.fe4 Be4 14.Bc4 Rf8 15.Bg7 Rf7 16.Bf7 Kf7 17.Nd2 Bg2 18.Rg1 Bd5 19.Nf5 Nd7 20.e4 Be6 21.Nd6 Ke7 22.Bd4 Nf6 23.Rg7 Kf8 24.Rb7 (24.Rb7 Nd7 25.b5 cb5 26.c6+–) 1–0. Pierred (2260) – Jigonglu, Rated game, 2m + 0s, 2005.

5.Nf3 Be6 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be6 5.Nf3 Be7).

5.Nf3 Kf8 6.Nc3 Bg4 7.h3 Bh5 (7...Bf5 8.Be2+/–) 8.Be2+/– Nc6 9.b5 Nb4? (better is 9...Na5 10.Qa4 c6+/–) 10.a3+– Bf3? (10...e4 11.ab4 ef3 12.Bf3 Bf3 13.Qf3 Qc8+–) 11.gf3 (11.ab4?! Be2 12.Ne2 h5+/–) 11...d5 12.ab4 d4 13.Ne4 d3 (13...Ne4 14.fe4 Bb4 15.ed4 ed4 16.Qb3+–) 14.Bf1 Bb4 15.Qb3 Ne4 (15...Qe7 16.Bd3 Nd7 17.Ke2+–) 16.Qb4 Nc5 (16...Qd6 17.Ba3 Qb4 18.Bb4 Nd6+–) 17.Qc5 (17.Qc5 Qd6 18.Qe5 Qe5 19.Be5+–) 1–0. pierred – anony, internet, 2014.

5.Nf3 g6 6.Nc3 0–0 7.Be2 Re8 8.0–0 Bf8 9.b5 Nbd7 10.a4 b6 11.d4 ed4 12.Nd4+/– Bb7 13.Bf3 Bf3 14.Nf3 Bg7 15.a5 Nc5 16.a6 Qd7 17.Qc2 Re7 18.Nd4+/– ½–½. Woelfelschneider,Peter – Henker,G, corr CiF, 1991.

5.Qb3 0–0

6.Nc3 a5 7.b5 Nbd7 8.Nf3 Re8 9.Be2 Bf8 10.d4 ed4 11.Nd4 Nc5 12.Qc2 Ng4 13.0–0 Bd7 14.Nd5 Ne5 15.Rad1 c6 16.bc6 bc6 17.Nf4 a4 18.Ba3 Qa5 19.h3 Qa7 20.Nh5 Rad8 21.g4 Qa6 22.Ng3 Bc8 23.Qc3 Ned7 24.Ndf5 Re6 25.Bb2 f6 26.Nd4 Ree8 27.Rd2 Ne5 28.f4 Nf7 29.Bf3 Bb7 30.Nh5 Ne4=+ 31.Be4 Re4 32.g5 fg5 33.fg5 Ne5?? 34.Ne6 Qa8?? 35.Rdf2+– Be7 36.Nd8 Qd8 37.Rf7! Rh4 38.Rg7 Kh8 39.Qe5! de5 40.Be5 (40.Be5 Re4 41.Ba1+–) 1–0. Drelinkiewicz,Tadeusz – Nowak,Ignacy (2295), Bydgoszcz Poland–ch33, 1976.

6.Nc3 Be6 7.Nd5 c6 8.Ne7 Qe7 9.Nf3 b5 10.Ng5 h6 11.Ne6+= fe6 12.cb5 Ng4 13.f3+/– Nf6 14.bc6 Nc6 15.Bc4 d5+= 16.Bb5 Nb4 17.Be5 Rac8 18.0–0 Qc5 19.Be2 Nc6 20.Bc3 d4 21.ed4 Nd4+= 22.Bd4 Qd4 23.Qe3 Qe3 24.de3 e5 0–1. xadrezpg (2340) – felippe (2300), net–chess.com, 2010.

6.Nf3 Nbd7 7.Nc3 a5 8.a3 Re8 9.Bd3 ab4 10.ab4 Ra1 11.Ba1 h6 12.0–0 Bf8 13.Bb1 c6 14.h3 Qb6 15.Na4 Qa7 16.Ba2 Nb6 17.Nb6 Qb6 18.c5 Qc7 19.Qc2 dc5 20.bc5 e4 21.Nd4 Qe7 22.Qc4 Nd5 23.Rc1 Qg5 24.f4 ef3 25.Nf3= Qg3 26.Qh4 Qh4 27.Nh4 Be6 28.Bc4 Ra8 29.Bd4 Nc7 30.Be2 Ra2 31.Nf3 Na6 32.Rb1 Nc5–/+ 33.Bc5 Bc5 34.Rb7 Be3! 35.de3 Re2 36.Nd4 Re3 37.Nc6 Re2 38.Nd4? Rg2!–+ 39.Kg2 Bd5 40.Kg3 Bb7 41.h4 g6 42.Kf4 Bc8 43.Nc6 Kg7 44.Nd4 f6 45.Nf3 Bb7 46.Nd4 g5 47.hg5 hg5 48.Kg3 Kg6 49.Ne2 f5 50.Nd4 Bd5 51.Ne2 Kh5 52.Kh3 Bf3 53.Ng3 Kg6 54.Nf1 f4 55.Nd2 g4 56.Kh2 Bd5 57.Nb1 Kg5 58.Nc3 Bf3 59.Nb5 Kh4 60.Nd4 Be4 (60...Be4 61.Kg1 f3–+) 0–1. Pagalis,G (1815) – Anastasopoulos,S (2100), 15th Open Nikea GRE, 2007.

5.b5 a6

6.a4 ab5 7.ab5 Ra1 (7...Bg4 8.Be2 (8.Nf3 Ra1 9.Ba1 Nbd7 10.h3 Be6 11.Nc3 0–0 12.Be2 Nb6 13.Qb3 Qd7; 8.Ra8 Bd1 9.Kd1 0–0 10.Nc3 c6 11.Nf3 Qc7 12.Ra7 Qb6 13.Ra2 Nbd7) 8...Ra1 9.Ba1 Bf5 10.Nf3 0–0 11.0–0 c6 12.Nc3 Nbd7 13.d4 Qb6) 8.Ba1 Nbd7 (8...0–0 9.Nc3 Bf5 10.Bb2 Qc8 11.Nf3 Nbd7 12.Be2 Nc5 13.d4 Nce4) 9.Nf3 0–0 (9...Nc5 10.Nc3 0–0 11.d4 e4 12.dc5 ef3 13.Qf3 dc5) 10.Be2 (10.Nc3 c6 11.Bb2 Nc5 12.Be2 Qc7 13.0–0 Bg4) 10...Re8 (10...Nc5 11.Nc3 Bg4 12.h3 Bf5 13.0–0 h6) 11.0–0 Nc5 12.d4 ed4 13.Nd4 Bd7 14.Bf3 Qa8 15.Nc3 Qa7 16.Bb2 Ra8 17.Qc2 Qb8 18.Rc1 Ng4 19.Nd5 Qd8 20.Ra1 Ra1 21.Ba1 Ne5 22.Be4 Ne4 23.Qe4 Bf6? (better is 23...c6!? 24.Ne7 Qe7=) 24.Nf6+/– gf6 25.Qb7 Nc4 26.Nc6 Bc6 27.Qc6 Ne5 28.Qb7 Qd7 29.f4 Ng6 30.Bf6 Qe6 31.Qb8 Nf8 32.Bd4 Qc4 33.Kf2 Qc2 34.Kg3 h5 35.Qd8 Qg6 36.Kf2 Qc2 37.Kg3 h4?? 38.Qh4+– Qg6 39.Kf3 d5 40.Qh8 1–0. Huelle,Gunter (1760) – Paulsen,Eckart (1865), Halle GER, 2011.

6.a4 c6 7.Nc3 0–0 8.Be2 Nbd7 9.Nf3 Nc5 10.d4= ed4 11.Nd4 ab5 12.ab5 Ra1 13.Ba1 Nfe4 14.0–0 Qc7 15.Ne4 Ne4 16.Bf3 f5 17.bc6 bc6 18.Qc2 Bf6 19.Be4 fe4 20.Qe4 Bd4 21.Qd4 Be6 22.Rd1 Qf7 23.e4 Bc4= 24.Rd2 d5 25.e5 c5 26.Qc5+/– Qf5 27.Qd4 Ra8 28.h3 Qe4 29.Rd1 Qd4 30.Bd4 Kf7 31.f4 Ke6 32.g4 g6 33.Rb1 Ra6 34.Kf2 Bd3 35.Rb2 Bc4 36.Rb6 Rb6+/– 37.Bb6 h5 38.gh5 gh5 39.h4 Kf5 40.Ke3 Bb3 41.Ba5 d4 42.Kf3 Bd5= 43.Kg3 Ke4 44.Bb4 Be6 45.Ba5 Bf5 46.Bb4 Ke3 47.Bc5 Kd3 48.Kf2 Ke4 49.Ke2 d3 ½–½. Hirt,Robert – Irle,Albrecht, corr DDR, 1984.

6.Be2 0–0 7.Qc2 c5 8.a4 a5 (8...Re8!?+=) 9.Nf3 Nbd7 10.Nc3 b6 11.Ng5 h6 12.h4 (12.Nge4 Bb7 13.Nf6 Bf6+=) 12...Bb7 (worse is 12...hg5 13.hg5 Bb7 14.gf6 Nf6 15.Qf5+/–) 13.Rh2 Re8 (worse is 13...hg5 14.hg5 g6 15.gf6 Bf6 16.0–0–0+/–) 14.Bh5?? (better is 14.Bf3 Ra7 15.Bb7 Rb7 16.Nf3=) 14...hg5–+ 15.hg5 Nh5 16.Rh5 g6 17.Rh2 Bg5 18.0–0–0 Qf6 19.d3 Qg7 20.Ne4 Be4 (20...Be7!? 21.Rdh1–+) 21.de4 Be7 22.f4 f6 (22...Rad8!? 23.Kb1–+) 23.Rdh1–/+ Nf8 24.Qd1 Qf7 25.Qe2 Ra7 26.Rh8 Kg7 27.g4 Bd8 28.f5 g5 (28...Rae7+–) 29.Qh2 Qc4 30.Kd2 Qe4 (30...Qg8 31.Qh6 Kf7 32.Qh5 Kg7 33.Qe8 Qh8 34.Rh8 Rf7+–) 1–0. Otte,Marco – de Leeuw,G, Wag.Ext.4vsDodewaard2, 1999.

6.Be2 ab5 7.cb5 0–0 8.Nf3 e4 9.Nd4 c5 10.bc6 Nc6 11.d3 Qa5 (11...d5 12.Nd2+=) 12.Nd2= Nd4 13.Bd4 Bf5 14.Rb1 (14.0–0 ed3 15.Bf3 d5+=) 14...ed3–/+ 15.Bf3 Ne4 16.Rb7 Bh4 17.Be4 Be4 18.Rb2 Rfc8 (18...Qg5 19.Nf3 Bf3 20.Qf3 Qa5 21.Kf1+=) 19.0–0 Bg6 20.Qf3 (20.Qg4 Rc2 21.Rd1 Qh5 22.Qh5 Bh5=). pierre – tonyalme, ChessHere.com, 2005.

5.b5 c5

6.Qc2 0–0 7.Nf3 g6 (7...a6 8.Nc3+=) 8.Bd3 Nbd7 9.Nc3 Nb6 10.a4 a5 11.0–0–0 (11.0–0 Be6=) 11...Rb8 12.Rdf1 (12.Be2!?=) 12...Be6–/+ 13.Ne2 e4 14.Be4 Ne4 15.Qe4 Na4 16.Qc2 Nb2 17.Kb2 Bf6 18.Kb3 (18.Kc1 Ra8–/+) 18...a4 19.Ka3 Qa5 20.Rb1 b6 (20...Ra8!?–/+) 21.Nf4+= Bd7 (better is 21...Ra8+=) 22.Nd5+/– Bg7 23.Ng5 (23.Qa4!? Ra8 24.Qa5 Ra5 25.Kb3+=) 23...Rfe8 24.h4 h6 (24...Be6 25.Nc7 Re7 26.Nce6 fe6 27.h5+=) 25.Ne4= Re6 26.Nec3 Re5? (better is 26...Qa7=) 27.Qa4+– (27.Na4? Ra8 28.Qb3 Bf5–+ (28...Qd2?! 29.Ndb6 Ra7 30.Nd7 Rd7 31.Qa2 Qd3 32.Qb3+=)) 27...Ra8 (27...Qa4!? 28.Na4 Rd5 29.cd5 Bf5+/–) 28.Nb6! Qb6 29.Qa8 Re8 30.Qa6 Qb8 31.b6 Qa8 32.Qa7 Qc6 33.b7 Bc3 34.dc3 Kg7 35.b8Q Rb8 36.Rb8 Be6 37.Qa8 (37.Qa8 Qa8 38.Ra8 Bc4 39.Rd1+–; 37.Qb6!? Qb6 38.Rb6 d5+–) 1–0. Otte,Marco – Boshoven,Albert, Wag.Intcomp, 2002.

6.Nc3 0–0 7.Nf3 b6 (7...a6 8.ba6 Na6 9.Be2+=) 8.d3 Bb7 9.e4 (9.Be2 a6=) 9...h6 (9...a6 10.ba6 Na6 11.Be2=) 10.Be2 Nh7 (10...Nbd7 11.0–0=) 11.Nd5 Bd5 (11...Nf6 12.Ne7 Qe7 13.Nd2=) 12.ed5+= f5 13.Qc2 (13.0–0 a6+=) 13...Rf7 (13...a6 14.ba6 Na6 15.0–0+=) 14.g3 (14.0–0 a6+=) 14...Nd7 15.Nd2 Bf6 (15...a6 16.ba6 Ra6 17.0–0=) 16.h4 (16.Bh5 Rf8+=) 16...Qe7 (16...Nhf8 17.0–0=) 17.0–0–0 (better is 17.Bh5!? Rff8 18.Bg6+=) 17...a6+= Black gets strong initiative 18.Qa4 e4 19.ba6 Bb2 20.Kb2 Qe5 21.Kb1 Nb8 (21...Ndf6 22.Qb5+=) 22.Nb3 (22.Rhe1 Na6 23.de4 fe4 24.Bf3+=) 22...Ra6–/+ 23.Qb5 Rfa7 24.Rd2 Nf6 25.Rhd1 ed3 (25...Nbd7 26.Rb2–/+) 26.Bd3 Ne4 27.Be4 Qe4 28.Ka1 Kh7 29.Nc1 Nd7 30.Re2 Qg4 31.Qb3 Ne5 32.f4 Ra3 33.Qc2 Nf3 34.Re6 Nd4 35.Rd4 cd4 36.Qd2 d3 37.Re3 Qh3 38.Rd3 R3a4 39.Qc2 g6 40.Rb3 Qf1 41.Rb1 Qg1 42.h5 Qg3 43.hg6 Kg6 44.Rb6 Qf4 45.Rb2 45...Rc4 46.Qg2 Kf6 47.Nb3 Rg7 48.Qe2 Re4 49.Qd2 Qe5 50.Kb1 Re1 51.Nc1 Rgg1 (51...Rgg1 52.Qh6 Rg6 53.Qh8 Rg7 54.Qh6 Rg6 55.Qh8 Rg7 56.Qh6 Rg6=; better is 51...Qe4 52.Ka1 f4 53.Qc3 Qe5 54.Qe5 de5–+) 0–1. Hoelldorfer – Kellner, Bayer Sen–EinzelM, 1992.

6.Nc3 b6 7.e4 Bb7 8.d3 Nbd7 9.h4 h5 10.g3 Nf8 11.Bh3 Ne6 12.a4 Nd4 13.a5 ba5=+ 14.Na4 Ne4 15.de4+= Be4 16.Bd4 Bh1= 17.Bc3 Bb7 18.Qd2 Bf6 19.Ba5 Qe7 20.Rd1 a6 21.b6 Rd8 22.Nc3 0–0 23.Nd5 Bd5 24.Qd5 e4 25.b7 Rb8 26.Rb1 e3 27.f3 Bh4 28.Ke2?? Bg3–/+ 29.Qe4 Rfe8 30.Qe7 Re7 31.Bc8 Be5 32.Bd8 Re8–+ 33.Bc7 Rec8 34.bc8Q Rc8 35.Ba5 Bd4 36.Rb6–/+ g5 37.Rd6 Rb8 38.Rd8 Rd8–+ 39.Bd8 g4 40.fg4–/+ hg4 41.Bg5 f5 42.Be3 f4! 43.Bd4 f3?? 44.Nf3+= gf3 45.Kf3 cd4 46.Ke4 Kf8 47.Kd4 Ke7 48.Kc5 Kd7 49.Kb6 a5 50.c5 a4 51.Kb7 a3 52.c6 Kd6 53.c7 a2 54.c8Q a1Q 55.Qd8 Ke6 56.Qe8 ½–½. Kleinke,Uwe – Krieg, DSV–Pokal, 1978.

6.Nc3 Bf5 7.d3 Nbd7 8.e4 (8.Qf3 Bg6 (8...Be6 9.Qb7 a6 10.Nf3 ab5 11.Nb5 0–0 12.Be2 Rb8 13.Qa7 Bd5+=; 8...Bg4 9.Qb7 Nb6 10.Be2 Bc8 11.Qf3 0–0 12.a4 Rb8 13.a5 Nbd7+/–) 9.Qb7 0–0 10.Nf3 a6 11.Nh4 Bh5 12.Nf5 Bg4 13.Ne7 Qe7+=) 8...Bg6 (8...Be6 9.Nf3 0–0 10.Be2 a6 11.Ng5 Nb6 12.ba6 Ra6 13.Ne6 fe6=; 8...Bg4 9.Be2 Be6 10.Nf3 a6 11.Ng5 0–0 12.0–0 ab5 13.Nb5 Nb6=) 9.Be2 Nf8 (9...0–0 10.Nf3 a6 11.Nh4 ab5 12.Ng6 fg6 13.Nb5 Qa5=) 10.Nd5 (better is 10.f4!? h6 11.Nh3+= N8d7 12.0–0 0–0 13.f5 Bh7=) 10...Nd5+= 11.cd5 Qa5 12.Kf1 (12.Qd2 Qb5 13.f4 f6+=) 12...Qb5 13.Qb3 (13.Qc2 Rc8–/+) 13...Qb3 14.ab3 Nd7 15.f3 0–0 16.g3 Bg5?? (better is 16...f5 17.Kg2 a5–+) 17.h4+= Be3 18.h5 Be4 19.fe4 f5 20.Nf3 fe4 21.de4 Nf6 22.Bc1 (better is 22.Rh4!?+/–) 22...Bd4 23.Nd4 Ne4 24.Ke1 cd4 25.g4 a6 26.Rf1 Rfe8 27.h6 g6 28.Bb2 Nc5 29.b4 Ne4 30.Bd3 Nc3 31.Bc3 dc3 32.Rc1 Rac8 33.Rf6 Red8 34.Rc2 Rc7 35.g5 ½–½. Diviak,Peter – Huchler,H, 3rd Senica Open, 2011.

5.b5 Nbd7

6.Qc2 b6 7.Nf3 Bb7 8.Be2 0–0 9.Nc3 e4 10.Nd4 Nc5 11.Nf5 Nfd7 12.f4 (12.0–0 Bf6+=) 12...Bf6 13.Rg1 Kh8 (13...a6!?+=) 14.g4= g6 15.Ng3 Increases the pressure on e4 15...Bg7 (15...Kg8 16.g5 Bg7 17.h4=) 16.Nce4+= Ne4 17.Bg7 Kg7 18.Ne4 Qh4 19.Ng3 (19.Kd1 Rfe8 20.Bf3 Qh3=) 19...Qh2= 20.0–0–0 a6 21.d4 (21.e4 Rfe8 22.Qc3 Kg8+=) 21...ab5+= 22.d5 (22.cb5 Bd5 23.a4 Rfe8+=) 22...Nc5 23.Qb2 Kg8 24.Nh5 f6 25.Rdf1?? (better is 25.g5 Ne4 26.Nf6 Nf6 27.gf6–/+) 25...gh5–+ 26.Rh1 (26.g5 f5 27.g6 h6 28.cb5 Bd5–+) 26...Qg3 27.Rf3 (27.Qd2 Rfe8 28.Bf3 bc4 29.Rhg1–+) 27...Qf3! 28.Bf3 Nd3 29.Kc2 Nb2 30.Kb2 hg4 31.Bg4 Bc8 32.Bf3 bc4 33.e4 c3! 34.Kb3 Rf7 35.Rc1 Rg7 36.Rc3 Rg3 37.e5 Bg4 38.Bg4 Rg4 39.e6 Rc8 40.Kb4 Rg7 41.Kb5 Re8 42.Kc6 Ree7 43.Ra3 Rg4 44.Ra8 Kg7 45.Rd8 Rf4 46.Rd7 Kf8 47.Rd8 Re8 48.Kc7 Rd8 49.Kd8 Re4 50.Kd7 h5 51.Kd6 Ke8 52.Kc7 Re6! 53.d6 Rd6! 54.Kd6 h4 0–1. Larios Villa (1995) – Zulaika Centeno (2015), Mondragon Arrasate Hiria op 5th, 2005.

6.Nc3 0–0 7.a4 (7.d4 a6+=) 7...Nc5 (7...Re8 8.Nf3+=) 8.d3 (8.Nf3 e4 9.d4 ed3 10.Bd3 Nd3 11.Qd3 Bg4=) 8...c6 (8...Bf5 9.Nf3+=) 9.Nf3 Qa5 10.Nd2 (10.d4 ed4 11.Nd4 Nfe4+=) 10...Qc7 (10...Bg4 11.Qc2+=) 11.Be2 Bf5 (11...d5 12.0–0+=) 12.e4 (12.Nf3 cb5 13.ab5 a6=) 12...Bg6 (12...Bg4 13.Qc2+=) 13.0–0= Ne6 (13...Rac8 14.f4 ef4 15.Rf4=) 14.g3 (14.a5 Rac8=) 14...h6 (14...Rae8 15.f4 ef4 16.gf4=) 15.Nb3 (15.f4 Nd4=) 15...Nd4 (15...Rfe8 16.a5=) 16.Nd4 ed4 17.Nb1 c5 (17...d5 18.ed5 cd5 19.cd5=) 18.Nd2 (18.a5 a6 19.b6 Qc6+=) 18...Qd7 (18...a6 19.f4=) 19.f4 Qh3? (19...a6 20.f5 Bh7 21.Bf3=) 20.f5?? (better is 20.e5 de5 21.fe5+–) 20...Bh5= 21.Bh5 Qh5 (21...Nh5 22.Rf2=) 22.Qh5+= Nh5 23.Nf3 Nf6 24.h3 Nd7 25.Kg2 f6 26.a5+/– Rfc8 27.g4 Ne5 28.Ne5 de5 29.Kf3 Kf7 30.h4 Rh8 31.Rg1 Rac8 32.Bc1 Rh7 33.Bd2 Rch8 34.Rg2 Rg8 35.Rag1 Bd8 36.b6 a6 37.Bc1 Be7 38.Rh1 Rhh8 39.Rgh2 Rc8 40.g5 hg5 41.hg5 Rh2 42.Rh2 fg5 43.Kg4 Bf6 44.Bg5 Rd8 45.Rh7 Rg8 46.Bc1 Rc8 47.Rh5 Kg8 48.Bg5 Kf7 49.Bf6+– Kf6 50.Rg5 Re8 51.Rg6 Kf7 52.Rd6 Re7 53.Rd5 Ke8 54.Rc5 Kd8 55.Kg5 Re8 56.Kg6 Rh8 57.Re5 Rh3 58.Rd5 Ke7 59.Rd4 Rg3 60.Kh5 Rg2 61.Rd5 Kf6 62.Rd6 Ke5 63.Rd7 Kf4 64.f6 Rg5 65.Kh4 Rg6 66.Kh3 Kf3 67.Kh2 Kf2 68.Kh3 Kf3 69.Kh4 Kf4 70.Kh3 Kf3 ½–½. Iosif,Daniela – Prutzer,Adelinde, BL (Women) Germany, 1993.

6.Ne2 Nb6 7.d3 +=.

6.Ne2 d5 7.cd5 Nd5 8.Nbc3 N5f6 (8...Nc5 9.Nc1+=) 9.Ng3 Nc5 10.d4 ed4 11.ed4 Ne6 12.d5 Nf4 13.Qd4 Ne6 14.Qc4 Nc5 15.Be2 0–0 16.0–0 Bd6 17.Bf3 Nfd7 18.Nce4 Ne4 19.Be4 Be5 (better is 19...Nf6=) 20.Bh7 (better is 20.Be5 Ne5 21.Qc2+=) 20...Kh7–/+ 21.Qe4 Kg8?? (better is 21...f5 22.Nf5 g6 23.Be5 gf5–/+) 22.Be5+/– Re8? (better is 22...Ne5 23.Qe5 Re8+/–) 23.Bc7!+– Re4 (23...Qc7 24.Qe8 Discovered attack (24.Qe8 Deflection; 24.Qe8 Overloading)) 24.Bd8 Re5 25.Rad1 Nc5 26.Bc7 Re8 27.Rfe1 Bd7 28.b6 Na6 29.Re8 Re8 30.d6 ab6 31.Bb6 Rc8 32.h4 Rc6 33.Be3 f6 34.a3 Rc3 35.a4! Ra3 36.Rd4 Ra1 37.Kh2 Ra4 38.Ra4 Ba4 39.Bb6 Bd7 40.Ne4 Kf7 41.Nc5 Nc5 42.Bc5 g6 43.Kg3 f5 44.Kf4+– Ke6 45.f3 Kf6 46.g4 b5 47.Bd4 Kf7 48.h5 gh5 49.gh5 Kg8 50.Kg5 Kf7 51.h6 Kg8 52.Kg6 Be8 53.Kf5 Kh7 54.Kg5 (54.Kg5 b4 55.f4+–) 1–0. Pruvost,Alain – Bouveur,Gerard (1660), Bethune op–B, 2003.

5.Qc2 b6

6.d4 Nbd7 7.Nf3= h6 8.a3 Bb7 9.de5+= de5 10.Ne5 Ne5 11.Be5 Be4 12.Qd2 Bd6 13.Bd6 Qd6 14.Qd6 cd6 15.Nc3 Bb7 16.Nb5 Ke7 17.Be2 a6 18.Nd4 g6 19.f3 Rhc8 20.Kf2 Nd7 21.Rab1 Rc7 22.h4 h5 23.Rhd1 Rac8 24.g4 hg4= 25.fg4 Be4 26.Rbc1 d5 27.c5 bc5 28.Ba6 Ra8 29.Nb5 Rc6 30.Bb7 Rf6 31.Ke1 Rh8 32.Bd5 Bd5 33.Rd5 Rh4 34.Kd2 Rg4 35.bc5 Rg2 36.Kd3+– Rff2 37.Kc3 Re2 38.c6 Re3 39.Kb4 Nb6+/– 40.Rd4 Re5 41.Ka5 Nc8 42.Rd7 Ke8?? 43.Rcd1 Rgg5 44.a4 Rc5 45.Rd8 (45.Rd8 Ke7 46.Rc8+–) 1–0. Gimeno Higueras,Roberto (2010) – Soriano Soler,Vicente, Autonomico Clubs, 2004.

6.Nf3 Bb7 7.Nc3 Nbd7 8.Be2 c5 9.bc5 Nc5 10.0–0 0–0 11.d4 Ncd7 12.Rfd1 Qe8 13.Nb5 e4? (better is 13...Qb8!?+=) 14.Nh4+– d5 (better is 14...Nb8 15.Nf5 Qd7 16.Ne7 Qe7+–) 15.Nf5 Rb8 16.Ne7 (16.Na7?! g6 17.Ne7 Qe7 18.cd5 Nd5+–) 16...Qe7 17.Ba3 Qd8 18.Bf8 Qf8 19.Na7 h5 20.cd5 Bd5 21.Rdc1 g5 22.a4 g4 23.Nb5 h4 24.Qc7 Qg7 25.Qf4 Be6 (25...h3 26.Nd6 Kh8 27.Rc7+–) 26.Nc7 Rf8 (26...Qg6 27.a5 Nh5 28.Qd6 ba5 29.Ne6 Qe6 30.Qe6 fe6 31.Bg4+–) 27.a5 Nh5 (27...ba5 28.Ra5 Kh8 29.h3+–) 28.Qe4 Ndf6 (28...Nhf6 29.Ne6 g3 30.Ng7 Ne4 31.Nh5 gf2 32.Kf1 ba5 33.Ra5+–) 29.Ne6 fe6 (29...Ne4 30.Ng7 Ng7 31.ab6+–) 30.Qe6 Kh8 (30...Qf7 31.Bc4 Qe6 32.Be6 Kg7 33.ab6+–) 31.a6 (better is 31.ab6 g3+–) 31...g3 (31...Qg8 32.Qb6 Qf7 33.a7+–) 32.a7 gf2 33.Kf1 Ng3 34.hg3 Qg3 35.a8Q 1–0. forsetinn (2345) – nizef (1875), gameknot.com, 2015.

6.Nf3 Bb7 7.Be2 0–0 8.h4 h6 9.Nc3 Nc6 10.a3 Qd7 11.Ng5 Nd8 (worse is 11...hg5 12.hg5 g6 13.gf6 Bf6 14.Nd5+/–) 12.Nd5 Bd5 (12...hg5 13.hg5 Nh5 14.Qf5 (14.Bh5?! Bg5 15.Bf3 f5+/–) 14...Qf5 15.Ne7 Kh8 16.Nf5+– (16.Rh5?! Qh7=)) 13.cd5 c6 (13...hg5? 14.hg5 g6 15.gf6 Bf6 16.Rc1+–) 14.Bc4 (better is 14.dc6!? Nc6 15.Bd3=) 14...Rc8–/+ (14...hg5 15.hg5 Re8 16.gf6 Bf6 17.dc6 Qc6 18.Qh7 Kf8 19.Qd3+–; 14...cd5?! 15.Bd5 Rc8 16.Qd3+=) 15.Bc3 Qg4 (15...cd5 16.Bd5 a6–/+ (worse is 16...hg5 17.hg5 Re8 18.Rc1+/–)) 16.Qb3?? (16.Be2 Qd7 17.Bc4 cd5 18.Bd5–/+) 16...b5 (16...Qg2 17.0–0–0 hg5 18.hg5 Ne4–+ (18...cd5 19.gf6 Bf6 20.Bd5=; 18...Nd5?! 19.Qc2 g6 20.f4–+; 18...Qg5?! 19.Bd3 c5 20.Qc2–+)) 17.Be2–/+ Qg2?? (better is 17...Qf5 18.Nf3 Nd5–/+) 18.Bf3+– Qh1 19.Bh1 hg5 20.hg5 Nd7 21.g6! c5 (21...fg6 22.dc6 Double attack (22.dc6 Passed pawn)) 22.gf7 Nf7 23.bc5 Nc5 24.Qb5 Rb8 25.Qe2 Ng5 26.Bb4 Rf2?? (better is 26...Nge4 27.Be4 Ne4+–) 27.Kf2 (27.Qf2?! Nd3 28.Ke2 Nf2 29.Kf2 Rb5=) 1–0. combijack (1770) – donprez2 (1685), gameknot.com, 2011.

5.Qc2 c6

6.a4 a6 7.Bd3 Bg4 8.f3 Bh5 9.Ne2= Bg6 10.0–0 Nbd7 11.Bg6 hg6 12.f4 Kf8 13.h3 Rc8 14.fe5 de5= 15.c5 Kg8 16.e4 a5–/+ 17.d4 ed4 18.Bd4=+ Qc7 19.Nd2 g5 20.e5= Ne5 21.Qf5 Ned7 22.Qg5 Rh5 23.Qe3 Re8 24.Qf2 ab4 25.Nb3 Rf8 26.Ng3 Rg5 27.Nf5 Re8? 28.Rae1+/– Bd8?? 29.Re8+– Ne8 30.Nh6! Kh7 31.Nf7 Rg6 32.Qf5 Nef6 33.Ng5 Kh6 34.Ne6 Qg3+/– 35.Qf4 Qf4 36.Nf4 Rg3= 37.Rb1 Bc7 38.Ne6+/– Be5 39.Bf2 Rd3+= 40.Nd8 Ne4 41.Nb7 Nc3 42.Re1 Na4 43.N7a5 Bf6 44.Re4+= Rd1 45.Kh2 Nb2? 46.Nc6+/– Nd3 47.Be3 Kg6 48.Nb4 Be5 49.g3 Nb4 50.Rb4 Rb1 51.c6 Rb2 52.Kg1 Nf6 53.Bf4 Bf4 54.gf4 Nd5 55.Rb5 Nc7 56.Rb7 Nd5 57.Nd4 Rd2 58.Nf3 Rc2 59.Ne5 Kf5+/– 60.Rb5 Nc7 61.Rb4+– Nd5 62.Rd4 Nf4+= 63.Rc4 Rc4 64.Nc4+= Nd5?? 65.Ne3!!+– (65.Ne3 Ke6 66.Nd5+–) 1–0. Zalys,Ignas – Bagusis,V, Montreal m 8th, 1983.

6.Nf3 0–0 7.Nc3 a6 8.Be2 b5 9.a4 bc4 10.Bc4 Bb7 (10...e4 11.Nd4–/+) 11.0–0 Nbd7 12.Rad1 (12.Be2 d5=) 12...a5 13.b5 cb5 14.Bb5 Ba6 15.d4 ed4 16.Nd4 Qb6? (better is 16...Re8+/–) 17.Bd7+– Nd7? (17...Bf1 18.Rf1 Rab8+–) 18.Nd5 Qd8 (18...Qc5 19.Ne7 Kh8+–) 19.Nc6 (19.Ne7?! Qe7 20.Nf5 Qg5+–) 19...Rc8 (19...Qe8 20.Nc7 Bf1 21.Ne8 Rfe8 22.Ne7 Re7 23.Kf1+–) 20.Nce7 (better is 20.Nde7 Kh8 21.Bg7 Kg7 22.Qb2 f6 23.Nd8 Rcd8+–) 20...Kh8 21.Nc8 Bf1 22.Kf1 (better is 22.Nd6!? Ba6+–) 22...Qc8 23.Qc8 Rc8 24.Bc3 (24.Ne7 Re8 25.Nf5 f6+–) 24...Nc5 (24...Rc5 25.g4+–) 25.Nb6 Rc6 26.Ba5 f6 (26...Nb3 27.Rd5 h6 28.Nd7+–) 27.Rc1 Rc7 (27...Kg8 28.e4!+–) 28.Bb4 h6 29.a5 Ra7 30.Bc5 Ra5 (30...dc5 31.Rc5 Kg8 32.Ke2+–) 31.Bd6 Ra6 32.Bc7 Kg8 33.Nd5 Ra2 34.g4 Rd2 35.Nf4 1–0. madik – wckid53, gameknot.com, 2009.

5.Nc3 b6

6.b5 Bb7 7.Nf3 0–0 8.Be2 a6 9.a4 ab5 10.ab5 Nbd7 11.0–0 Nc5 Black plans e4 12.Ra8 Qa8 13.Qc2 Bf3 (13...Qc8!?+=) 14.Bf3+/– (14.gf3?! Rc8+=) 14...e4 15.Be2 Qb7 (15...Nfd7 16.Nd5 Bf6 17.Bd4+/–) 16.f3+– c6 (16...Nd3+–) 17.bc6 (17.Ne4?! Nfe4 18.fe4 cb5+/–) 17...Qc6 18.fe4 Qd7 (18...g6 19.d4 Ncd7 20.Qd3+–) 19.d4 Ne6 20.e5 Ne8 (20...de5 21.de5 Ne8 22.Rd1+–) 21.Bg4 Qd8 (21...Qb7 22.Rf7! Rf7 23.Be6+–) 22.Rf7! Rf7 (22...Rf7 23.Be6 Pinning (23.Be6 Decoy); 22...Kf7 23.Qf5 Double attack (23.Qf5 Deflection; 23.Qf2 Decoy)) 23.Be6 de5 (23...Bf8 24.Bf7 Kf7 25.Qf5 Kg8 26.Qe6 Kh8 27.Ba3 de5 28.Bf8 ed4 29.Nd5 de3 30.Ne3+–) 24.Qf2 Nd6 25.de5 Kf8 (25...Bh4 26.Qf3 Qe7+–) 26.Bf7 Nf7 (26...Bh4 27.g3 Nf7 28.gh4+–) 27.e6 Kg8 (27...Qe8 28.Nd5 Bd8 29.ef7 Qf7+–) 28.Qf7 Kh8 29.Nd5 1–0. pierre (2005) – Maksymiliang, internet, 2015.

6.Nf3 0–0 7.Qc2 h6 8.Bd3 Bg4 9.h3 Bf3 10.gf3 Nbd7 11.0–0–0 a6 12.Rdg1 c6 13.Rg2 Nh5 14.Rhg1 Bf6 15.Ne4 g6 16.Nd6 Ng7 17.Ne4 Qe7 18.Nf6 Nf6 19.a3 c5 20.Qc3 Rfd8 21.Bc2 cb4 22.Qe5 Qe5 23.Be5 Nfh5 24.ab4 Ra7 25.f4 Kf8 26.Bd1 Rad7 27.Bc3 Rc7 28.Be2 Ke7 29.Kc2 Nf5 30.Bh5 gh5 31.Rg8 Rc4 32.Rd8 Kd8 33.Rg8 Ke7 34.Ra8 a5 35.ba5 ba5 36.Ra5 Ke6 37.Re5 Kf6 38.Re4 Nd4 39.Rd4 Rd4 40.Bd4 1–0. purplegadge – 85golf, gameknot.com, 2012.

6.Nf3 0–0 7.d4 Bb7 8.Be2 ed4 9.ed4 d5 10.c5 a6 11.0–0 Nc6 12.a3+= a5 13.b5 Na7 14.c6 Bc8 15.Qc2 Ne4 16.Ne4+– de4 17.Qe4 Re8 18.Qc2 Be6 19.Bc4 Bc4 20.Qc4 Nc8 21.a4 Bb4 22.Ne5 Nd6 23.Qb3 Ne4? 24.Qf7+– Kh8 25.Qh5 Nd2?? 26.Rfd1 Nb3 27.Nf7 Kg8 28.Nd8 Rad8 29.Rab1 Nd2 30.Rbc1 Rf8 31.Qg5 Ne4 32.Qe5 Nf2 33.d5 Nd1 34.Qg7 1–0. katchum (2390) – debutler (2255), net–chess.com, 2004.

5.Nc3 Bd7

6.a4 0–0 7.Nf3 Na6 8.b5 Nc5 9.Be2 a6 10.d4 ed4 11.Nd4 ab5 12.cb5 c6 13.0–0 d5 14.Qc2 Re8 15.Ba3 Nfe4 16.Ne4+/– Ne4 17.Be7 Re7 18.bc6 Rc8 19.Bb5 bc6 20.Bd3 Qa5 21.Rfc1 Ree8 22.Be4 Re4 23.Nb3 Qa7 24.Qc5+/– Qc5 25.Nc5 Re7 26.a5 Ra8 27.Nd7+– Rd7 28.Rc6 d4 29.Rd1 d3+/– 30.Kf1 Kf8 31.a6 Rd5 32.Ra1 Ke8 33.Ke1+– Kd7 34.Rb6 Rc5 35.Kd2 Rc2 36.Kd3 Rf2 37.Rb7 Ke6? 38.a7 Rd8 39.Kc3 Rc8 40.Kb3 Rfc2 41.a8Q R2c3 42.Kb4 R3c4 43.Kb5 (43…R4c5 44.Kb6 R5c6 45.Ka7 Ra8 46.Ka8+–) 1–0. Zylla,Johannes – Priebe, BS–MK Kreisliga, 1996.

6.d3 a6 7.Nf3 0–0 8.Be2 Nc6 9.a3 Ng4 10.0–0+= Be6 11.d4 ed4 12.ed4 Bf5 13.Bd3 Be6? 14.d5+– Bd7 15.dc6 Bc6 16.Nd5 Bf6 17.Nf6 Nf6 18.Nd4 Bd7 19.Qf3 c5 20.Nf5 Re8 21.Nd6 Bc6 22.Qf4 Re6 23.bc5 Re7 24.Bf6 gf6 25.Qf5 Be4 26.Be4 Re4 27.Ne4 Kg7 28.Rae1 h6 29.Re3 Qd4 30.Rg3 Kf8 31.Nf6 Rd8 32.Rg8 Ke7 33.Re1 Qe5 34.Re5# (34.Qe5#) 1–0. wiking – Guille, internet, 2010.

6.Be2 0–0 =+.

5.Nc3 Nbd7

6.Nf3 0–0 7.Be2 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 Nbd7 7.Nc3).

6.Nf3 b6 7.Be2 Bb7 8.0–0 c6 9.Qb3 a6 10.a3 0–0 11.d4 e4 12.Nd2 d5 13.Rfc1 h6 14.a4 Rb8 15.b5 ab5 16.ab5 c5 17.Nd5 Nd5 18.cd5 Nf6 19.Bc4 Bd6 20.dc5 Bc5? 21.Bf6 Qf6 22.Ne4 Qe5 23.Nc5 bc5 24.Qc3 Qc3 25.Rc3 Rfd8 26.e4 Bc8 27.Bd3 Bd7 28.Rc5 f6 29.f4 Kf7 30.e5 fe5 31.fe5 Bg4 32.Rc7 Kg8 33.Raa7 Rd5 34.Rg7 Kf8 35.Raf7 Ke8 36.Bg6 Rd1 37.Kf2 Rd2 38.Kg3 (38.Kg3 Rg2 39.Kg2 Bh3 40.Kh3 Rb5 41.Rg8#) 1–0. AGove – Nexxus6, ChessWorld.net, 2007.

5.Nc3 Be6

6.Nf3 0–0 7.Be2 Nc6 8.a3 e4 9.Ng5 d5 10.cd5 Bd5 11.Nd5 Qd5=+ 12.Nh3 Rfd8 13.Rc1 Bd6 14.Bc4 Qh5?? 15.Qh5+– Nh5 16.Ng5 Rd7 17.Ne4 Be7 18.d4 Nf6 19.Ng3 a6 20.0–0 b5 21.Bb5 ab5 22.Rc6 Nd5 23.Rfc1 Ra7 24.Ne4 h6 25.Nc3 Nb4?? 26.ab4 Bb4 27.Nb5 Rb7 28.Nc3 Bd6 29.Ba1 Rb6 30.Rb6 cb6 31.Nb5 Bc5 32.dc5 bc5 33.g3 (33.g3 c4 34.Na3+–) 1–0. Wessel,Volkmar – Schiller,Dirk, Schleswig Holstein–chG, 1990.

6.Nf3 Nbd7 7.d4 ed4 8.ed4 d5 9.c5 c6 10.Bd3 0–0 11.0–0 Ne4 12.Re1 f5+= 13.b5 Bf6 14.Qb3 Qe7 15.Rad1 Qf7 16.Qa3 g5 17.Ne2 Qh5 18.bc6 bc6 19.Ne5 Be5 20.de5 Ndc5? 21.Be4+– Ne4 22.f3 Rf7 23.fe4 fe4 24.Nd4 (24.Nd4 Re8 25.Nc6+–) 1–0. marcosramos (2410) – angel (1900), net–chess.com, 2007.

6.Nf3 h6 7.d4 Nbd7 8.d5 Bf5 9.Bd3 e4 10.Nd4 Bg6 11.Be2 0–0 12.0–0 Ne5 13.a4 a5 14.b5 Nfd7 15.Qc2 Nd3 16.Ba3 N7e5 17.Nb3 f5 18.Nd4 Qd7 19.Ne6 Rfc8 20.Nf4 Nf4 21.ef4 Nf7 22.Rab1 Bf6 23.b6 cb6 24.Rb6 Bd4 25.Rbb1 Re8 26.Rfd1 Ba7 27.Nb5 Bc5 28.Bc5 dc5 29.d6 Rab8 30.Nc7 Red8 31.Rb5?? (31.Rb6 Rbc8+/–) 31...b6?? (better is 31...Nd6 32.Rc5 b6–+) 32.Na6+/– Rb7 33.Qb3 Rc8 34.Rb6 Rb6 35.Qb5?? (better is 35.Qb6 Rc6 36.Nc5 Rb6 37.Nd7 Rd6 38.Rd6 Nd6 39.c5+–) 35…Rb5–+ (35...Rb5 36.ab5 Nd6–+) 0–1. Buettner,Fritz – Zuzek,Teodoro Jose, CiF GM B, 2002.

5.Bd3 0–0

6.b5 c6 7.Nf3? e4–+ 8.Be4 Ne4 9.0–0 Bf6 10.Bf6 Qf6 11.Nc3 Nc3 12.dc3 Bg4 13.Qd2 Bf3 14.gf3 Nd7 15.Qe2 Rae8 16.Rad1 Ne5 17.Kh1 Nf3 18.e4 Re5 19.Rd3 Ng5 20.Rg3?? Rfe8 21.Rfg1 Re4 22.Qd3 h6 23.h4 Rh4 24.Rh3 Rh3 (24...Rh3 25.Kg2 Rd3 26.Rb1 Qf3 27.Kg1 Qg4 28.Kf1 Qh3 29.Kg1 Nf3#) 0–1. saetta – GuestLNCO, ICS, 1999.

6.Nc3 Be6 7.Rc1 c6 8.Nce2 Nbd7–/+ 9.Ng3 Re8 10.a3 d5 11.c5 Qc7 12.Bb1 b6–/+ 13.cb6 ab6 14.N1e2 c5 15.f4 ef4 16.Nf4=+ Bd6 17.0–0 Be5 18.d4 Bf4 19.Rf4 c4 20.Qc2 Nf8 21.Rcf1 Ng6 22.Rf6= gf6 23.Nh5 Rec8 24.Nf6 Kh8 25.Qe2+= Kg7 26.Qh5 Rh8 27.Qf3 Qe7 28.e4+/– Rhc8 29.e5 Rd8 30.Bc1+– Rh8? 31.Bg5 Qb7 32.Nh5 Kf8 33.Qf6 Rg8 34.Qe6 (34.Qe6 Qc7 35.Bh6 Rg7 36.Bg7 Kg8 37.Qd5+–) 1–0. Gaggiottini,Manfredo – Stornelli,Vincenzo (2030), Chianciano Terme op, 1993.

5.Be2 Nbd7

6.a3 0–0 7.d3 (7.Nc3 h6 8.Qc2 (8.d3 Nb6 9.Nf3 Bf5 10.0–0 a5 11.d4 e4 12.Nh4 Bc8 13.f3) 8...Nb6 9.Nf3 Be6 10.d3 Qd7 11.0–0 a5 12.h3 Rfc8 13.e4) 7...c6 (7...a5 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 d5 11.cd5 Bb4 12.Nf3 Nd5 13.0–0; 7...d5 8.cd5 Nd5 9.Nf3 N7b6 10.Ne5 f6 11.Nc4 Be6 12.0–0 c5 13.bc5) 8.Nc3 (8.Nf3 Nb6 9.Nc3 h6 10.0–0 Be6 11.Qc2 Qc7 12.Ne4 Ne4 13.de4) 8...a6 (8...d5 9.cd5 cd5 10.Nf3 a5 11.0–0 ab4 12.ab4 Ra1 13.Qa1) 9.Nf3 b5 (9...Nb6 10.0–0 Qc7 11.Ne4 Ne4 12.de4 Be6 13.Qc2) 10.0–0 Ne8 (10...Rb8 11.Qc2= Bb7 12.h3 h6 13.Rfd1; 10...Bb7 11.Qc2 bc4 12.dc4 a5 13.Rfd1) 11.e4 (11.d4 Nef6 12.c5 Qc7 13.Qb3) 11...Bb7 (11...Nef6 12.d4 Bb7 13.h3) 12.Qb3 (12.d4 Nef6 13.h3) 12...Nc7 13.Rfc1 (13.d4 Bf6 14.Rad1 Ne6+=) 13...Ne6= 14.cb5 (14.Rd1 Nf4=) 14...ab5 15.g3 (15.Rd1 Nd4 16.Nd4 ed4=) 15...Kh8 16.Bf1 Nb6 17.Rd1 Na4 18.Bc1 (18.Na4 ba4 19.Qc2 c5+=) 18...Nc3+= 19.Qc3 f5 20.Bg2 f4 21.d4 (21.Bb2!?+=) 21...Nd4–/+ 22.Nd4 ed4 23.Qd3 fg3 24.hg3 Bf6 (better is 24...Qe8!?–/+) 25.Bb2+= c5 26.bc5 dc5 27.Qb5 Qe7 (27...Qc7 28.Qc4 Ba6 29.Qc2+=) 28.Qd3 (28.Rac1!?=) 28...Ba6 29.Qd2 d3?? (better is 29...Rad8 30.f4 Qe6+=) 30.e5+/– Bg5 31.f4 Bh4 32.gh4 Rac8 33.Qf2 c4 34.Bc3 Rb8 35.Bb4 Rb4 36.ab4 Qe6 37.Qd4 Bb5 38.Ra5 Qg4 39.Rd2 Qh4 40.Qf2 Qf2 41.Kf2 c3 42.Ke3 c2?? 43.Ra1 Rc8 44.Rc1 Rc3 45.Be4 Rb3 46.Bd3 Rd3 1–0. Holz auf der Heide,Gerhard (1850) – Eckstein,Helmut (1880), Halle GER, 2011.

6.Nc3 0–0 7.a4 c6 8.Nf3 d5 (8...e4 9.Nd4+= Ne5 10.f4 Nd3 11.Bd3 ed3 12.0–0 c5 13.bc5+=) 9.b5 (9.cd5 cd5 10.Qb3 e4= 11.Nd4 Ne5 12.0–0 Nc6 13.Nc6=) 9...Qc7 (9...e4 10.Nd4 dc4 11.bc6+= Ne5 12.Qb1 Nd3 13.Bd3+=) 10.d3 (10.cd5 cd5 11.0–0 e4 12.Nd4 Bc5 13.d3=) 10...e4 Black gets the initiative (10...dc4 11.dc4 Rd8 12.0–0 e4 13.Nd2+=) 11.de4 de4 12.Nd4 Nc5 (12...Ne5 13.Qc2+=) 13.0–0 (13.Qc2+=) 13...Bd6 14.f4 (14.h3!?=) 14...ef3–/+ 15.Nf3 (15.Bf3 Bh2 16.Kh1 Bd7–/+) 15...Bg4 (15...Ng4 16.Qd4 Bh2 17.Kh1–+) 16.Qc2 (16.h3!? Bd7 17.a5+=) 16...Bf3–/+ 17.Rf3 Bh2 18.Kf1 Rfe8 19.Nd1 (19.Rd1 Be5 20.Ba3 Qb6–+) 19...Nfe4 20.Rh3 (20.Nf2 Ng3 21.Ke1 Rad8–+) 20...Rad8 21.Bd4 (21.Bc3–+) 21...Nb3!! 22.Ra3 (22.Qb3 Nd2) 22...Nbd2 23.Ke1 Bg3 (23...Bg3 24.Nf2 Bf2 25.Kd1 c5–+) 0–1. Coyle,G – Schmeing,Manfred, corr, 1969.

6.d3 0–0 7.Nd2 b6 8.Bf3 Rb8 (8...d5 9.b5 Bb7 10.cd5 Nd5 11.Nc4 Re8 12.a3 a6 13.ba6+=) 9.Ne2 (9.a3 Re8 10.Ne2 a6 11.0–0 b5 12.Bc6 Rb6 13.cb5=) 9...c5 (9...b5 10.a3= a5 11.cb5 Rb5 12.Qa4 Ba6 13.0–0=) 10.b5+= a6 (10...Re8 11.Qa4 Bb7 12.Bb7 Rb7 13.0–0+=) 11.a4 (11.Qa4 ab5 12.Qb5 Ne8 13.Nc3=) 11...Bb7 (11...Qc7 12.0–0 a5 13.Ng3+=) 12.Nc3 (12.Bb7 Rb7 13.0–0+=) 12...ab5 (12...Bf3 13.Qf3+=) 13.cb5 (better is 13.Bb7!? Rb7 14.ab5+/–) 13...d5+= 14.Qb3 d4 15.Nd1 Bf3 16.gf3 Ne8 17.Ne4 Nd6 18.Nd6 (18.Qd5!? Ne4 19.fe4+=) 18...Bd6–/+ 19.Bc1 Bc7 (19...Ra8 20.Nb2–/+) 20.Nb2 (20.Qd5 Re8+=) 20...Qf6 (20...Qg5 21.Qd5 Qg2 22.Rf1–+) 21.Ke2 (21.Qd5!? Rfd8 22.Qc6 Qc6 23.bc6–/+) 21...Ra8 22.e4 h6 23.Bd2 Rfb8 24.Nc4 Qe6 25.Rag1 Kf8 (25...Rb7 26.Rg2 Kh7 27.Rhg1+=) 26.Rg2= Ra7 (26...Qh3 27.Rg3 Qh5 28.Rhg1+=) 27.Rhg1 g5 28.Qc2 (28.h4!? gh4 29.Rg4=) 28...f6 29.h4 Kg7 30.hg5 fg5 31.Bg5 (31.Ra1!?=) 31...hg5+= 32.Rg5 Kf7 33.Rg7 Ke8 34.R1g6 Qh3? 35.Qd2 Bd8 36.Nd6 (36.Nd6 Kf8 37.Rf7#) 1–0. Andersson,Lars H – Nystroem, Sweden, 1986.

5.Be2 Be6

6.Qc2 Nbd7 7.Nf3 h6 8.d4 e4 9.d5 Bf5 10.Nd4+= Bh7 11.Nd2 0–0 12.0–0 Ne5 13.Qb3 Qc8 14.f4 ef3 15.N4f3 Nf3 16.Rf3 Bg6 17.Rg3 a5 18.Rf1 ab4 19.Bf3 Qd7 20.Bd1 Ne8 21.Bc2? Bc2–/+ 22.Qc2 Ra2 23.Rgf3 Bf6 24.Rf6 Nf6 25.Qb1 Rfa8 26.Rf6 gf6 27.Ne4 Qa4 28.Nf6 Kf8 29.Nh7 Ke8 30.Qe4 Kd8 31.Bf6 Kc8 32.Qg4 Kb8 33.Qg8 Ka7 (34.Qg4 Qc2 35.Bd4 b6–+) 0–1. Isola,Rainer – Grom,Waldemar (2015), Raika op 7th, 1998.

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be6 5.Nf3 Be7 6.Be2).

5.Be2 Bf5

6.Nc3 Nbd7 7.Be2 0–0 8.a3 Re8 9.0–0 a5 10.d3 ab4 11.ab4 Nf8 12.e4 Bg6 13.Nh4 c6 14.Nf5 Ne6 15.g3 Ra1 16.Ba1 d5 17.Ne7 Re7 18.Bf3 dc4 19.dc4 Rd7 20.Qa4 Ng5 21.Bg2 Nge4 22.Ne4 Be4 23.Be5 Bg2 24.Kg2 h6 25.c5 Kh7 26.Qc2 Kg8 27.Bd6 Ne8 28.Bf4 Nc7 29.Bc1 Nd5 30.Qb2 Qe7 31.Qb1 Qe2 32.Kg1 Nc3 33.Qf5 Rd1 34.Qc8 Kh7 35.Qf5 Kh8 36.Qc8 ½–½. Riveline,Maurice – Le Coadou,Yves, Paris op–C, 1999.

6.d4 ed4 7.ed4 0–0 8.Nf3 Re8 9.0–0 h6 10.Nbd2 Nbd7 11.a4 Bh7 12.d5 Nh5 13.g3 Bf6 14.Nd4 Bd4 15.Bd4 Ne5?? (better is 15...Nhf6+=). Loulou – pkchess, playchess.de, 2003.

6.Nf3 Nbd7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Bf5 5.Nf3 Nbd7 6.Be2 Be7).

5.Ne2 0–0

6.a3 Bf5 7.d4 Nbd7 8.Ng3 Bg6 9.Be2 c6 10.0–0 Ne4 11.Ne4+= Be4 12.Nc3 Bf5 13.Qd2 Nf6 14.f3 e4 15.fe4+= Be4? 16.Rf6!+– Bg2 17.Rf4 Bh3 18.Rf3 Bg4 19.Rg3 Bf5 20.Rf1 Bg6 21.e4 Bh4 22.Rg2 f5 23.d5 fe4 24.Ne4! Qe7 25.Rg4 Rf1 26.Bf1 Rf8 27.Bg2 Rf5 28.dc6 d5 29.cb7 Qb7 30.Nd6 Bf2 31.Kh1 Qd7 32.Bd5 Kh8 33.Rg6! Rf6 34.Rf6 h6 35.Rh6# 1–0. Rosner,Dirk (2175) – Tortoza,Carlos, CiF, 2005.

6.d4 Bf5 7.Ng3 Bg6 8.Bd3 e4 9.Bc2 d5 10.Nd2 Bb4–/+ 11.0–0 c6 12.cd5 cd5 13.a4 Nc6 14.Ba3 Qa5 15.Nb3 Qa4 16.Bb4 Qb4–+ 17.Ne2 Bh5 18.Qe1 Qe1 19.Rfe1 Nb4 20.Bd1 Nd3 21.Rf1 Nb2 22.f3 Nc4 23.Kf2 Rfe8 24.f4? Ng4 (24...Ng4 25.Ke1 Nce3–+) 0–1. gtate (1900) – sergeivanoff (2000), net–chess.com, 2004.

5.Nf3 a5

6.a3 ab4 7.ab4 Ra1 8.Ba1 b6 9.d4= ed4 10.ed4 0–0 11.Bd3 d5=+ 12.c5 bc5 13.bc5 Re8 14.0–0 c6 15.Re1 Bg4 16.Nbd2 h6 17.Bc3 Qc7 18.h3 Be6 (19.Ne5 Nbd7+=). Grosso – Cardoso, corr 3GMM–60, 1996.

6.b5 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 e5 5.c4 Be7 6.Nf3).

5.Nf3 Bd7

6.Nc3 c6 7.d4 ed4 8.ed4 0–0 9.Bd3 Bg4 10.0–0 Nbd7 11.h3 Bh5 12.g4 Ng4? (better is 12...Bg6!?=) 13.hg4+/– Bg4 14.Be2 Nf6 15.Nh2 (15.d5 Qb6+/–) 15...Be2+= 16.Ne2 Ne4 17.Ng3 Ng3 18.fg3 Bf6 (18...d5 19.c5+/–) 19.Qd2 c5 (19...d5 20.c5+/–) 20.dc5 dc5 (20...Bb2 21.Qb2 dc5 22.bc5+/–) 21.Qd8+– Rad8 (better is 21...Bd8 22.bc5 Be7+–) 22.Bf6 gf6 23.b5 (23.bc5!? Rd3 24.Kg2 Re8+–) 23...Rd4 24.Rac1 Re8 25.Nf3 Rg4 26.Kg2 Re2 27.Rf2 Rf2 28.Kf2 Kg7 29.a4 (29.Nh4 Kh6+–) 29...b6 30.Nd2 Rd4 31.Rc2 Kg6 32.Kf3 (32.a5 f5+–) 32...Rd3 33.Kf4 f5 (better is 33...Rd4 34.Ke3 f5+–) 34.Nb1 (better is 34.Nf3!? Kg7 35.Nh4+–) 34...f6 (34...Rd4 35.Ke3+/–) 35.Rc3 Rd4 36.Kf3 Kg5 37.Na3 f4? 38.Nc2+– Kf5 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

6.Nc3 h6 7.d4 ed4 8.ed4 (worse is 8.Qd4 Nc6 9.Qd2 Nb4+=) 8...0–0 9.Bd3 Re8 10.0–0 Bf8 (10...d5 11.b5=) 11.h3 Nc6 12.b5 Nb8 13.Qc2 a6 14.a4 Bc8 15.Rfe1 Nbd7 16.Re8 Qe8 17.Re1 Qd8 18.Bc1 ab5 19.ab5 (19.Nb5?! Nb6=) 19...Nb6 20.Qb3 Be6 21.Ne2 g5 22.d5 Bd7 23.Ng3 Na4 24.Be3 b6 25.Bd4 Nc5 26.Qc3 Bg7 27.Bf5 Bf5 28.Nf5 Nfe4 29.Qc2 Bd4 (29...Nf6 30.Nh2+–) 30.N3d4 (30.N5d4?! Nf6+–; 30.Re4?! Ne4 31.Nh6 Kg7 32.Nd4 Kh6 33.Qe4 Qe8 34.Nf5 Kg6 35.Ne7 Kg7 36.Qd4 f6 37.Nf5 Kg6=; 30.Nh6?! Kh7 31.Nf7 Bf2 32.Qf2 Nf2 33.Nd8 Ncd3 34.Re7 Kg6 35.Re6 Kg7+–) 30...Qf6 31.g3 Ra3 32.Re4 Ne4 33.Qe4 Ra4? (33...Ra1 34.Kg2 Ra8 35.Nc6+–) 34.Qe8 Kh7 35.g4 Rc4 36.Nc6 Rc1 37.Kg2 Qa1 (37...Rc6 38.bc6 Qg6+–) 38.Qf7 Kh8 39.Qf8 Kh7 40.Qh6 Kg8 41.Nfe7 Kf7 42.Qg6 1–0. forsetinn (1945) – michael60 (1670), gameknot.com, 2013.

5.g3 0–0

6.Bg2 Bf5 7.Bb7 Nbd7 8.Ba8 Qa8 9.Qf3?? Be4–+ 10.Qe2 Bh1 11.f3 Bf3! 12.Nf3 e4 13.Nd4 Ne5 14.Nc3?? c5 15.Nf5 Nf3 16.Kf1 Qb7 17.b5 Qd7 18.Nd5?? Nd5–+ 19.Ng7 Qh3 20.Qg2 Qh2 21.Qh2? Nh2–+ 22.Kg2 Nf6 23.Nf5= Bd8 24.Kh2 d5 25.cd5 Re8 26.d6 Re6 27.Rc1 Ng4 28.Kg2 Bb6? 29.Bd4 Nh6 30.Nh6 Rh6+= 31.Bc5 Bc5 32.Rc5 Rd6 33.Rc2 Kg7 34.a4 a6 35.Rb2 ab5 36.ab5 Rb6 37.Kf2 Kf6 38.Ke2 Ke5 39.d3 ed3 40.Kd3 f5 41.Rb4 h6 42.Kc4+– h5 43.Kc5 Rb8 44.b6+– Rc8 45.Kb5 Rg8 46.b7 Rb8 47.Kc6 1–0. coloplayah (2150) – wmalone (2040), net–chess.com, 2006.

6.Bg2 Bg4 7.Qc2 c6 8.f3 Be6 9.Ne2 Nbd7 10.0–0 Rc8 11.d4 Qc7 12.Nd2 Ne8 13.a4 f5 14.a5 Ndf6 15.a6 Nh5 16.ab7+= Qb7 17.de5 de5 18.Be5 Qb6 19.Bd4 c5+/– 20.bc5 Bc5 21.Rfb1 Qc7 22.f4 Nd6 23.Qa2 Nf6 24.Bc5 Qc5 25.Qa7 Qa7 26.Ra7 Nc4 27.Nc4+– Bc4 28.Nd4 g6 29.h3 Rce8 30.Kf2 Ne4 31.Be4 Re4 32.Rbb7 Rf7 33.Rf7 Bf7 34.g4 fg4 35.hg4 Re8 36.Nf3 Rc8 37.Ng5 Rc2 38.Kg3 Bd5 39.Nh7 Bh1 40.Nf6 Kf8 41.Kh4 Re2 42.Ra3 Kg7 43.Kg5 Rb2 44.Ra7 Rb7 45.Rb7 Bb7 46.Ne8 (46.Ne8 Kf8 47.Kg6 Ke8 48.g5+–) 1–0. Stecki,Witold – Bogdar, Rydzyna, 1989.

5.h3 0–0

6.d4 ed4 7.ed4 Re8 8.Bd3 (better is 8.Be2!?–/+) 8...d5–+ 9.Ne2 Bb4 10.Nbc3 c5 (10...dc4!? 11.Bc4 Be6 12.Be6 Re6 13.0–0–+) 11.0–0–/+ Bc3 12.Nc3 dc4 13.Bc4 cd4 14.Nb5 Nc6 15.Nd4 Na5 16.Bd3 Bd7 17.Nf3 h6 18.Rc1 Be6 19.Be5 (better is 19.Bb5!? Qd1 20.Rfd1=) 19...Nc6–/+ (19...Ba2?! 20.Bf6 gf6 21.Nd4=) 20.Bb5 Ne5 21.Ne5 Qd1 22.Rfd1 Red8 23.Rd8 Rd8 24.Rc7? (better is 24.a4–/+) 24...Rd5–+ 25.a4 Re5 26.Rb7 a6! 27.Rb8 (27.Ba6 Ra5 Double attack (27...Ra5 Decoy)) 27...Kh7 28.Ba6 Re1 29.Kh2 Ra1 30.Bd3 g6 31.Ra8 Kg7 32.a5 Nd5 33.Ra7 Nb4 (33...Ra2 34.Bc4 Rf2 35.a6–+) 34.Be4 Bd5 35.Bd5 Nd5 36.g3 Ra2 37.Kg2 Nb4 38.h4 Nc6 39.Ra6 Na5 40.Kh3 Ra3 0–1. Peter,Falco – Kanning,Thorsten, Rhein Main op, 2005.

6.Nf3 Be6 7.Be2 Nbd7 8.0–0 h6 9.d4 ed4 10.ed4 (10.Nd4 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 d5+=) 10...Nh7 11.Re1 Ng5 12.Nbd2 d5 13.c5 c6 14.a4 Bf6 15.b5 Nc5 16.Ba3 Nd7 17.Bf8 Nf8 18.bc6 bc6 19.Nb3 Ne4 20.Bd3 c5 21.dc5 Ba1+= 22.Qa1 Ng5 23.Ne5 Qc7 24.c6 f6= 25.Ng6 Ng6 26.Bg6 Bf7 27.Bf7+= Nf7 28.Nd4 Ne5 29.Rc1 ½–½. gtate (2010) – mgoodrich (2050), net–chess.com, 2005.

5.b5 0–0

6.a4 Be6 7.d4 ed4 8.ed4 c6 9.Be2 d5 10.c5=+ Ne4 11.Nd2 Bf5 12.Ngf3= Bh4 13.0–0 Nd7 14.Nh4 Qh4 15.Nf3 Qh6 16.Bc1 Qf6 17.Bd3 Nc3 18.Qc2+= Bd3 19.Qd3 Ne4 20.Bb2 Qf4 21.Ne5 Ne5–/+ 22.de5 Rfe8 23.f3 Nc5–/+ 24.Qe2 Na4–+ 25.bc6 bc6 26.Rfe1 Nb2 27.Qb2 c5 28.Rac1 c4 29.e6? fe6 30.Qb7 a5 31.Qd7 a4 32.Re6 Qc1 33.Kf2 Qc2 34.Kg3 Re6 35.Qe6 Kh8 36.Qd5 Qg6 37.Kf2 Rg8 38.Qc4 Qb6 39.Kg3 a3 40.Qa2 Qb2 41.Qg8 Kg8 42.h4 g5! 43.hg5 (43.hg5 a2 44.g6 a1Q 45.gh7 Kh7 46.f4 Qe1 47.Kh3 Qb3 48.Kg4 Qg8 49.Kf5 Qg6#) 0–1. Shamila – lon7, Live Game Caissa's Web, 2005.

6.Nc3 c6 7.Be2 Be6 8.Qc2 Qc7 9.Rc1 Nbd7 10.d3 (10.Nf3 Nb6 11.d3 a6 12.bc6 bc6=) 10...Rac8 11.Nf3 Nb6 12.0–0 Rfd8 13.Ng5 Bf5 14.e4 Bg6 15.Nf3 h6 16.a4 a6 17.a5 Nbd7 18.b6 Qb8 19.Ba3 c5 (better is 19...Re8!?=) 20.Nh4+/– Nf8 21.g3 Ne6 22.Ng6 fg6 23.Qd1 Nd4 24.Bb2 Rf8 25.Nd5 Ne2 26.Qe2 Nd5 27.ed5 Rce8 28.Qg4 g5 29.f4 gf4 30.gf4 Bf6 31.fe5 Be5 32.Rf8 Kf8 33.Be5 Re5 34.Rf1 Kg8 35.Qd7 Qe8 36.Qd6 Re1 37.Qg3 (37.Qc5? Qg6 38.Kf2 Re8–+) 37...Qe3?? (better is 37...Re3 38.Qg4 h5+=) 38.Qe3+– Re3 39.Rd1 Kf7 40.d4 cd4 41.Rd4 Ke7?? 42.c5+– Kd7 43.c6! bc6 44.dc6 Kc6 45.Rc4 Kb5?? 46.b7+– Kc4 47.b8Q Ra3 48.Qg8 Kb5 49.Qg7 Ra5 50.Qh6 Ra1 51.Kg2 a5 52.Qg5 Kb4 53.Qd2 (53.Qd2 Kb3 54.Qd3 Kb2 55.h4+–) 1–0. Kosar,Matej (1695) – Rybin,Jan, Nahod CZE, NIKI Open, 2012.

6.d3 Nbd7 7.Nf3 b6 8.Be2= Bb7 9.0–0 a5 10.a4 h6 11.Nbd2 Nh7 12.Nb3 f5 13.h3 Ng5 14.Ng5 Bg5 15.f4 Bf6 16.d4 ef4 17.ef4 Qe7 18.Qd2 g6 19.Rae1 Qg7 20.Ba1 Bh4 21.Rc1 Nf6 22.d5+= Ne4 23.Qd3 Qf7 24.Rf3 Rae8 25.Kh2 Qe7 26.Nd4 Bf6 27.Ne6 Rf7 28.g3 Bc8 29.Bf6 Qf6 30.Nd4 Nc5 31.Qd1 Na4! 32.Nc6 Nc5 33.Rcc3 Bd7 34.Bf1 Bc6 35.dc6 Rfe7 36.Qd5 Kg7 37.Ra3?? Re1 38.Ra2 Ne4 39.Qd3 Nc5 40.Qd5 R8e4 41.Qd2 Qe6 42.Rf2 R4e3 43.Re2 R1e2 44.Be2 Kg8 45.h4 Rg3!! 46.Qd1 Qe3 47.Qf1 Ne6 48.Bd1 0–1. Bittner,Hannjoerg – Ohle, corr, 1985.

6.d4 a6 7.de5= de5 8.Qd8 Rd8 9.Be2 ab5 10.cb5 Bb4–/+ 11.Nd2?? Bd2 12.Kf1 c6 13.Be5 cb5 14.Bf6 gf6 15.Bb5 Ra5 16.a4 Nc6 17.Bc6 bc6 18.Ne2 Ba6 19.g3 Ra8 20.Kg2 Be2 21.Ra2 Rd8 22.f4 Bc4 23.Rc2 Bd5 24.Kf2 Bh1 25.Rd2 Rd2 (26.Ke1 Rh2 27.Kf1 Ra4 28.Kg1 Rd2 29.Kh1 Ra1#) 0–1. umji5 – Charles5, Live Game Caissa's Web, 2004.

6.d4 Nbd7!? =+.

6.Be2 c6 7.a4 b6 8.Nf3 Bb7 9.0–0 Nbd7 10.Nc3 c5 11.d4 ed4 12.ed4 Ne4 (12...d5 13.Re1=) 13.Bd3 Ndf6 (13...Nc3!? 14.Bc3 Bf6+=) 14.d5 Nc3 15.Bc3 Bc8 16.Qc2 h6 17.Rfe1 Bg4 18.Nd2 Qd7 (18...a6!?+/–) 19.Re3 Ne8 20.h3 Bg5 21.Rg3 (21.hg4 Be3 22.fe3 Qg4+–) 21...Bh5+/– 22.Ne4 f6 23.Ng5 fg5 24.Re3 Nf6 25.Bf5 Qc7 26.Rae1 Rae8 27.Be6 Bf7?? (better is 27...Kh8+–) 28.Bf6 gf6 (28...Ra8 29.Qg6 Be6 30.Re6 Qf7+–) 29.Qg6 Kh8 30.Qh6 Kg8 31.Qg6 Kh8 32.Qf6 (32.Qf6 Kh7 33.Bf5 Kg8 34.Qg5 Bg6 35.Re8 Qh7 36.Bg6 Kg7 37.Bf5 Qg6 38.Qg6 Kh8 39.Rf8) 1–0. Mallmann,Bernd (1970) – Baumann,Bettina, Rheinland–ch, 2005.

6.Be2 Bd7 7.Nc3 c6 8.a4 Re8 9.Qc2 g6 10.h3 Qc7 11.Bf3 d5 12.Be2 Be6 13.d3 Qa5 14.Nf3= Nbd7 15.0–0 Qc7 16.Ng5+= Bf5 17.e4 Be6+= 18.Ne6 fe6 19.Bg4 Ng4= 20.hg4 d4 21.Ne2 Bg5 22.Bc1 Bc1 23.Qc1 a6 24.f4 Nc5 25.Qc2 Nd7 26.Qd1 ab5 27.ab5 Ra1 28.Qa1 Nf6 29.fe5= Qe5 30.Qd4 Ng4= 31.Qe5 Ne5 32.Rd1 Rd8 33.Nc1 Nc4!–/+ 34.bc6 bc6 35.Kf2 Ne5 36.Ke3 c5 37.Ke2 Rf8 38.Nb3=+ c4 39.dc4= Nc4 40.Nc5 Re8 41.Nd7 Kg7 42.Nc5 Re7 43.Rd4 Ne5 44.Ke3 g5 45.Rd6?? Nc4–+ (46.Kd3 Nd6–+) 0–1. Baumgarten,Horst – Van Gils,Nico, Bahn–chG Borkum, 1996.

6.Be2 e4 7.d3 a6 8.Nc3 ab5 9.cb5 d5 10.de4 de4 11.Qd8 Rd8 12.f3 Bc5 13.Ne4 Ne4 14.fe4 Be3 15.Nf3 Ra4 16.Be5 Bb6 17.Rc1 Ra2 18.Rf1 Bd7 19.Bc4 Rg2 20.Bc3 Be6 21.Be6 fe6 22.Ne5 Rh2 23.Ra1 Rh4 24.Ra4 Bd4! 25.Rd4 Rd4 26.Bd4 Re4 27.Kf2 Rd4 28.Ra1 Nd7 29.Ke3 Rd5 30.Nd7 Rd7 31.Ra7 b6 32.Kf4 Kf7 33.Ke4 h5 34.Ra8 Rd5 35.Ra7 Rc5 36.Kf3 g5 37.Kg3 Kf6 38.Kh3 e5 39.Ra8 Rb5 40.Rf8 Ke6 41.Re8 Kf5 42.Rf8 0–1. Pierred – Nemrod,Shredder 9 (2595), Rated game, 2005.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.Nc3 c6 11.Qa4 Nc5 12.Qa7 Re8 13.Be2 Bf5 14.Bb2 Bd3 15.Ba3 cb5 16.Nb5 Be2 17.Ke2 e4 18.Nfd4 Qc8 19.h3 g6 20.Rc1 Nfd7 21.Rc3 Ne5 22.Bc5 dc5 23.Nb3 Rd8 24.Qb6 Qf5 25.Nc5 Rd2 26.Kd2 Bc5 27.Qd8 Kg7 28.Qh4 Bb4 29.Nd4 Qd7 30.Qe4 Nc4 31.Kc2 Bc3 32.Kc3 Qc7 33.Kb4 Na5 34.Nb5 Nc6 35.Kb3 Qb6 36.Kc4 Qa6 37.Kc5 Qa2 38.f4 Qa1 39.Nd4 Qc3 40.Kb6 Qa5 41.Kb7 Qa7 42.Kc6 Qa8 0–1. Leon Manas,Jose Francisco (1705) – Sanchez Quintero,Raul (2145), 1st Torneo Memorial Jose Raul Capablanc, 2013.

6.Nf3 c5 7.Be2 (7.Nc3 a6+=) 7...a6 (7...e4 8.Ng1–/+) 8.a4 (8.ba6 Na6 9.Nc3 e4=) 8...ab5 9.ab5 Ra1 10.Ba1 Nbd7 (10...e4 11.Ng1+=) 11.0–0 e4 12.Ne1 b6 13.Qc2 d5 (13...Bb7 14.f3=) 14.cd5+= Nd5 15.Qe4 N7f6 (15...N7f6 16.Qc2 Be6+=). Cornacchini,Gabriele – Huang,Peter, IECC, 2000.

6.Nf3 Bd7 7.Be2 (7.Nc3 a6 8.e4 (8.d4 ab5 9.de5 b4 10.Nd5 Nd5 11.cd5 de5 12.Ne5=; 8.Qc2 ab5 9.cb5 Bg4 10.Be2 c6 11.d4 Bf3 12.Bf3=) 8...ab5 9.cb5 c5 10.Bc4 Bg4 11.h3 Bh5 12.g4=; 7.Qc2 a6 8.Nc3 (8.d4 e4 9.Nfd2 ab5 10.Ne4 bc4 11.Nf6 Bf6 12.Bc4=) 8...ab5 9.cb5 Bg4 10.Be2 c6 11.d4 Bf3 12.Bf3=) 7...h6 (7...a6 8.0–0=+ ab5 9.cb5 c6 10.Nc3 Qa5 11.bc6 Nc6 12.d4=+; 7...e4 8.Nd4 a6 9.0–0 ab5 10.cb5 c5 11.bc6 Nc6 12.d3=) 8.0–0 (8.d4 e4 9.Nfd2 Bf5 10.Nc3 a6 11.g4 Bg6 12.h4+=) 8...a6 9.a4 ab5 (9...e4 10.Nd4 ab5 11.ab5 Ra1 12.Ba1+=) 10.ab5 Ra1 11.Ba1 Be6 12.d3 (12.Nc3=) 12...c6 13.bc6 bc6 14.Qa4 Qc7 15.Rc1 Nbd7 16.Nc3 Nc5 17.Qc2= d5 18.Rd1 Bf5 19.cd5 cd5 20.d4?? Bc2–+ (20...Bc2 21.dc5 Bd1 22.Nd1 e4–+) 0–1. valpa – Jule, playchess.de, 2002.

6.Nf3 Nbd7 7.Be2 Re8 8.0–0 e4 9.Nd4 d5 10.a4 Bf8 11.Nc3 dc4 12.Bc4 Ne5 13.Qb3 Nc4 14.Qc4 Ng4 15.f3 Nh2 16.Kh2 Bd6 17.f4 Qh4 18.Kg1 Be6 19.Ne6 Re6 20.Ne4 Rh6 21.Rf3 Qh1 22.Kf2 Qh4 23.Rg3 Rg6 24.Kf3 Qh5 25.Kf2 Qh4 26.Qf1 Re8 27.Qh1 Qh1 28.Rh1 Re4 29.Rg6 hg6 30.Bd4 Bf4 31.Kf3 f5 32.d3 Rd4 33.ed4 Bd2 34.Rd1 Ba5 35.Kf4 Kf7 36.Ke5 Ke7 37.Rc1 Bb6 38.Rc4 Kd7 39.Kf4 Ke6 40.Kg5 Kf7 41.Rc2 Ba5 42.d5 Bb6 43.Re2 Bd4 44.Re6 Bf6 45.Kf4 Bd4 46.a5 Bc5 47.Kg5 Be7 48.Kf4 Bc5 49.Ke5 b6 50.ab6 ab6 51.Rc6 f4 52.Rc7 Kf8 53.Rc8 Ke7 54.Rc7 Kf8 55.Rc5 1–0. purplegadge (1780) – leandrolean (1845), gameknot.com, 2014.

6.Nf3 e4 7.Nd4 c5 8.Nb3 a5 9.a4 b6 10.Be2 d5 11.Na3 Be6 12.Qc2 Nbd7 13.d3 Qc7 14.de4 de4 15.Nd2 Bf5 16.g4 Ng4 17.Bg4 Bg4 18.Rg1 f5 19.h3 Qh2 20.Rg3 Qh1 21.Nf1 h5?? (better is 21...Bh4 22.hg4 Bg3=) 22.hg4+– hg4 23.0–0–0 Rad8 24.Nd2 Qh2 25.Ne4! fe4 26.Qe4 Nf6 (26...Kf7 27.Qg4 Nf6 28.Qg7 Ke6 29.Bf6 Rd1 30.Kd1 Rf6 31.Qg4 Kd6+–) 27.Qe6 Rf7+/– 28.Rf1 Qh7 29.Rgg1 Rd6 30.Qe5 Bf8 31.Rd1 Rfd7 32.Qc3 Rd1= 33.Rd1 Rd1 34.Kd1 Ne4 35.Qe1 Qf5 36.Nc2?? Nf2–+ 37.Kd2 g3 38.Qg1 Qd3 39.Kc1 Bd6 (39...Bd6 40.Kb1 Qe4–+) 0–1. Piz,Maxim (2145) – Keil,Uwe (2135), Berlin–ch, 2008.

6.h3 a6 7.d4 Nbd7 8.Be2 +=.

6.h3 b6 7.Ne2 Nbd7 8.d4 Bb7 9.Nd2 (9.Nbc3 Re8+=) 9...a6 10.Ng3 1–0. Tago,Shunnichi – Popov,Luka, WS/O/236 ICCF, 2008.

6.d4 ed4

7.Qd4 a6 8.a4 Nbd7 9.Nf3 Nc5 10.Nbd2 Re8 11.Be2 Nh5 12.Ne4 Ne4 13.Qe4= Bf6 14.Bf6 Nf6 15.Qc2 b6 16.0–0 Bb7 17.Rfd1 Qd7 18.h3 Qe7 19.Nd4 a5 20.Bf3 Bf3 21.Nf3 Ne4 22.Rd5 Qf6 23.Nd4 Re5 24.Rd1 Rae8 25.Re5 Re5 ½–½. Grott,Peter – Brennecke,Willi, DESC, 2001.

7.Qd4 c5 8.Qd3 a6 9.a4 Be6 10.Nf3= ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Qc3 Qc3 14.Bc3 d5 15.Bf6 Bf6 16.Nbd2 b6 17.cd5 Bd5 18.Bc4 Bb7 19.Ke2 Nd7 20.Bb3 ½–½. Boehnke,Hartmut (1970) – Bruening,Ralf (1975), 2006.

7.Bd4 Be6 8.Nf3 Nbd7 9.Bd3 h6 10.0–0 Nb6 11.Nbd2 c6 12.Qc2 Qc7 13.Rfd1 cb5 14.cb5 Qc2 15.Bc2 Rac8 16.Bb3 Bb3 17.ab3 Nfd5 18.Ra7+– Rc7?! 19.e4 Nf6 20.Bb6 (20…Rd7 21.Bd4+–) 1–0. marre (2060) – AlexPE (1845), GameColony.com, 2003.

6.Be2 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Nc3 d5 11.bc6 (11.d4 e4+=) 11...bc6 (11...Nc6 12.cd5 Nd5 13.Nf3+=) 12.Qb3 (12.d4 ed4 13.Qd4 c5+=) 12...Be6 13.Nf3 White fights for the Initiative 13...d4 14.Nb1 d3 (14...Qa5 15.Qb2 Nbd7 16.Nd4 ed4 17.Qd4 Bc5–+) 15.Bd3 (15.Qd3 Qd3 16.Bd3 e4 17.Bf6 Bf6 18.Be4 Bc4+/–) 15...e4 16.Bf6 ef3 17.Be7 Qe7 (17...fg2!? 18.Rg1 Qe7+=) 18.gf3+/– Nd7 19.Qc2 g6 (19...Nf6 20.Bf5+/–) 20.f4 Bh3 (20...Nc5 21.Be2+/–) 21.Bf1 (21.Be4 c5+–) 21...Bf5+/– 22.Bd3 (22.d3 Qb4 23.Nd2 Ra8+/–) 22...Bh3+– 23.Be4 Qc5 (23...Nc5 24.Nc3+–) 24.Rg1 f5 25.Bf3 Nf6 26.Rg3 (26.Qa4 Ne4+–) 26...Bg4 27.Bg4 fg4 28.h3 Re8 (28...Qh5 29.hg4 Qh1 30.Ke2=) 29.hg4 Ne4 (29...Qd4 30.f5 g5 31.f3+–) 30.Rh3 Qa5 31.Ke2 Nd6 (31...Nf6 32.g5 Nh5 33.Kd1+–) 32.f5 (32.c5 Ne4 33.Qc4 Kg7 34.Rh7 Kh7 35.Qf7 Kh6 36.Qe8 Qb5 37.Kf3 Ng5 38.fg5 Kg7 39.Qe7 Kg8+–) 32...Re4? (32...gf5 33.c5 Qb5 34.d3 fg4+–) 33.fg6 Rg4 (33...hg6 34.c5 Qa6 35.Kf3 Re6 36.cd6 Qf1+–) 34.gh7 Kh8 35.Qb2 (35.Qb2 Qc3 36.Qb8 Nc8 37.Qc8 Kg7 38.h8Q Kg6 39.Qh7 Kf6 40.Qcf5#) 1–0. Myrberg,Johnny (1695) – Bjoerk,Bengt (1730), Olofstroem SWE, 1990.

7.d4 e4 8.d5 =+.

6.Be2 Nbd7

7.Nc3 a6 8.Nf3 ab5 9.cb5 d5 10.0–0 Bd6 11.Qc2 Nb6 =+.

7.Nc3 Nb6 8.Nf3 Be6 9.d3 a6 10.ba6 ba6 11.Rb1 Rb8 =.

7.Nc3 Nc5 8.h3 d5 9.cd5 Nd5 10.d4 ed4 11.Nd5 Qd5–/+ 12.Bf3 Qc4–+ 13.Be2? Qb4 14.Qd2 Qd2 15.Kd2 de3 16.Ke3 Re8 17.Kf3 b6 18.Be5 Bb7 19.Kg3 Ne4 20.Kf3 Bc5 21.Bg3 Nf2 (21...Nf2 22.Kf4 Be3 23.Kf5 Be4#) 0–1. Kleist,Werner (1715) – Didzuhn,Werner (1710), 02 sen. HSenEM06 (Bad Sooden op), 2006.

7.Nf3 a6 8.0–0 ab5 9.cb5 Re8 10.Qc2 e4 11.Nd4 d5 =.

7.Nf3 Nc5 8.d4 ed4 9.ed4 Ne6 10.0–0 Nf4 11.Re1 Bg4 12.h3 Bh5 13.Nbd2 (13.d5 Ne2=). Van Rooijen,Peter – Garriz,Nicolas, B–001–LIAPE, 2002. (Van Rooijen,Peter (1700) – Hilton,Stephen H (1945), Magistral LIAPE, 2002.)

7.Nf3 e4 8.Nd4 Nc5 9.0–0 a6 10.Nc3 ab5 11.cb5 d5 =.

6.Nf3 c6

7.a4 a6 8.Be2 Bd7 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Qb6 13.Nc3 Rc8 14.h3 h6 15.d4 e4 16.Nd2 d5 17.Qb3 Be6 18.Bb2 ½–½. Stecyk,Jozef – Wojna,Grzegorz, Zlota Wieza Pultusk Poland, 2008.

7.a4 e4 8.Nd4 (8.Ng1 Be6 (8...d5 9.cd5 cb5 10.ab5 Nd5 11.Bd4 a6+=; 8...Nbd7 9.d3 Ne5 10.d4 Ng6 11.Nc3 Bf5+=) 9.Nc3 Nbd7 10.f3 Ne5 11.Ne4 Nc4+=) 8...d5 9.Qc2 (9.cd5 c5 10.Nb3 Qd5 11.d4 Bg4+=) 9...Bd7 (9...c5 10.Nb3 Be6 11.d3 dc4=) 10.Be2 (10.cd5 cd5 11.d3 Bb4=) 10...Qc8 (10...dc4 11.Bc4 a6=) 11.Nc3 (11.0–0 dc4=) 11...Bg4 12.f3 ef3 13.Nf3 dc4 14.Bc4 Bf3 15.gf3 Qh3 16.0–0–0 (16.Be2 Rd8+=) 16...cb5 17.Bb5 a6 18.Bd3 (18.Be2 Nc6+=) 18...Qf3–/+ 19.Rdf1 Qc6 (19...Qh5 20.Be2 Qa5 21.Rhg1–/+) 20.Rhg1 (20.Ne4 Ne8+=) 20...g6 (20...Rc8 21.Kd1 Qd6 22.Qb1+=) 21.Rf4 Nh5 (21...Nbd7 22.Ne4 Nd5 23.Qc6 bc6 24.Rf5–/+) 22.Rfg4 Bf6 23.Bc4 Bg7 24.Nd5 Kh8 25.Bg7 Ng7 26.Qb2 Nd7–/+ 27.Kd1 Qa4–+ 28.Bb3 Qc6 29.Re4 Rae8 30.Re8 Re8 31.Rf1 f5 32.Rf4 Re4 33.Re4 fe4 34.Qd4 Qb5 35.Bc4 Qa4 36.Ke1–/+ Qc2?? 37.Nf6?? Nf6–+ 38.Qd8 Nge8 39.Qd4 0–1. Rodriguez Castelao,Javier – Castelao,Samuel, Oviedo, 1999.

7.Be2 cb5 8.cb5 b6 9.0–0 Bb7 10.a4 Nbd7 11.d4 e4 12.Nfd2 d5 13.Nc3 Rc8 14.Rc1 Re8 15.Qb3 Bf8 16.Na2 Qe7 17.Rc3 Rc3 18.Bc3 Qd8 19.Rc1 h6 20.Bb4 Bb4 21.Nb4 Nb8 22.Rc3 Qd7 23.f3 Rc8 24.fe4 Rc3 25.Qc3 de4 26.h3 Qc8 27.Qb2 Qc7 28.Bc4 Qg3 29.Nf1 Qc7 30.Qa2 Qd7 31.Qc2 Qd6 32.Qd2 Nbd7 33.d5 Nc5 34.Qd1 Kf8 35.Kf2 Nfd7 36.Ng3?? Ne5?? 37.Nf5?? Qf6–+ 38.g4 Nc4 39.Ke2 Qb2 40.Nc2 Na4 41.Ke1 Nc3 42.Qd4 Qc1 43.Kf2 Qc2 44.Kf1 Qd3 45.Qd3 ed3 46.Ke1 d2 (46...d2 47.Kf2 d1Q 48.Ng3 Qd2 49.Ne2 Qe2 50.Kg3 Qe3 51.Kg2 Bd5 52.Kf1 Nd2#) 0–1. Bittner,Hannjoerg – Schnur,Gerhard, corr, 1986.

7.Be2 e4 8.Nd4 d5 9.d3 (9.0–0 c5 10.Nb3 dc4 11.Bc4 Nbd7 12.Qc2 Nb6 13.Be2= Na4=; 9.cd5 c5 10.Nb3 Qd5 11.f3 a5 12.ba6 Na6 13.0–0= ef3=+) 9...c5 (9...dc4 10.dc4 c5 11.Nb3 Qd1 12.Bd1 a6 13.Nc3 Nbd7=) 10.Nb3 dc4 11.dc4 Qd1 12.Bd1 a6 13.Nc3= ab5 =.

6.Nf3 Bg4

7.Be2 c6 8.0–0 a6 9.a4 cb5 10.ab5 Nbd7 11.d3 Nc5 12.Nc3 a5 13.Na4 Na4 14.Qa4 b6 15.Qc2 Qc7 16.h3 Bh5 17.g4 Bg6 18.Nh4 Qd7 19.Ng6 fg6 20.Bf3 Rac8 21.Bc6 Qc7 22.Bc3 h6 23.d4 Nh7 24.Bd5 Kh8 25.Qg6 Ng5 26.de5 de5 27.Kg2 Bf6 28.Qc2 Qe7 29.Rae1?? e4= 30.Bf6 Rf6 31.Qc3 Rcf8 32.Qd4? Qd8?? 33.Qc3?? Qd6–+ 34.Qc2 Qe7 35.Rd1= Qe5 36.Bc6 Nf3 37.Rd5?? Qh2 0–1. stoker – polo01, Live Game Caissa's Web, 2004.

7.Be2 c6 8.d3 a6 9.bc6 bc6 10.Ng5 =+.

7.Be2 c6 8.d3 d5 9.Nc3 e4 10.Ne5 Be2=+ 11.Qe2 ed3 12.Qd3= dc4 13.Qc4 cb5 14.Nb5 Nc6 15.Rd1 Qa5 16.Bc3 Ne5 17.Ba5?? Nc4–+ 18.Bc3 Rfc8 19.0–0 a6 20.Nd4 Nd6 21.Ba5 Rc5 22.Bb6 Rc4 23.Rc1 Rac8 24.Rc4 Rc4 25.h3 h6 26.g4 Nfe4 27.Nf5 Nf5 28.gf5 Bf6 29.Kg2 Ra4 30.Bd4 Bd4 31.ed4 Ra2 32.d5 Kf8 33.Re1 Nf2 34.Kf1 Nd3 35.Rd1 Ne5 36.d6 Nd7 37.h4 Rh2 38.h5 Rh5 39.Rc1 Rf5 40.Kg2 g6 41.Rc8 Kg7 42.Rc7 Ne5 43.Rb7 Rf4 44.d7 Nd7 45.Rd7 (45…a5 46.Ra7–+). stoker – lon8, Live Game Caissa's Web, 2004.

5.b5 c6

6.a4 Nbd7 7.Be2 Nc5 8.d4= ed4 9.ed4 Nce4 10.Nd2 0–0 11.Ngf3 d5 12.c5 Qc7 13.0–0 b6 14.cb6 ab6 15.bc6 Qc6 16.Bb5 Qd6 17.Bd3 Bg4 18.Qc2 Qf4 19.g3 Qf5=+ 20.Nh4 Qh5 21.Be4 Ne4 22.Ne4 Bh4–/+ 23.Ba3 Rfc8–+ 24.Qb3? de4 25.gh4 Be2 26.Rfe1?? Bd3 27.Qb6?? Qg4 28.Kh1 Be2 29.Rg1 Bf3 (29...Bf3 30.Rg2 Qg2#) 0–1. Meybohm,Dirk – Maetzig, 1984.

6.Nc3 0–0 7.Qc2 (7.d4 e4+=) 7...d5 8.bc6 bc6 9.cd5 Nd5 (9...cd5 10.Rc1+=) 10.Nd5= Qd5 11.Nf3 e4 12.Ne5 Bf5 13.g4 Bg6 (13...Be6 14.Bc4 Qd6 15.Qe4 Bd5 16.Bd5 cd5+/–) 14.Ng6= hg6?? (14...fg6 15.Bc4 Rf3+–) 15.Bc4+– Qd6 16.Qe4 Nd7 17.h4 (17.Qd4 Qd4 18.Bd4 Nb6+/–) 17...Rae8 18.Qc2 Ne5 19.Be5 Qe5 20.Rb1 Qd6 (20...Qf6 21.f4 Rb8 22.g5 Rb1 23.Qb1+–) 21.g5 (21.h5 gh5 22.Rh5 g6+–) 21...Rb8 22.Rb8 Rb8 23.h5 Qf6?? (23...gh5 24.g6 Kf8 25.Rh5 Ke8 26.Rh8 Bf8 27.gf7 Kd7 28.Qf5 Kc7+–) 24.gf6 (24.gf6 Bf6 25.hg6+–) 1–0. Mroz,Antoni – Wasylow,Jerzy, corr Poland, 1989.

6.Be2 0–0 7.Nc3 (7.d4 e4+=) 7...Be6 (7...a6 8.bc6 Nc6 9.Nf3+=) 8.Nf3 Nbd7 (8...a6 9.bc6 Nc6 10.d4=) 9.d4 (9.Ng5 cb5 10.Ne6 fe6 11.cb5 d5=) 9...Bf5 (9...cb5 10.cb5 e4 11.Ng5=) 10.0–0= Qc7 (10...e4 11.Nh4 Be6 12.f4+=) 11.h3 (11.Rc1 Rac8=) 11...ed4 (11...Rfc8 12.Rc1=) 12.Nd4+= Bg6 13.Bd3 (13.f4 Be4+=) 13...Bd3= 14.Qd3 Ne5 15.Qc2 (better is 15.Qe2!?=) 15...Nc4–/+ 16.Rfc1 (16.e4 d5–/+) 16...Nb2 (16...d5 17.Rab1–/+) 17.Qb2+= Qb6 (17...Rfc8!?+=) 18.Nf5= Rfe8 19.Qb3 (19.Ne4 Qb5 20.Qb5 cb5 21.Ned6 Bd6 22.Nd6 Re5=) 19...g6 (19...d5 20.bc6 bc6 21.Rab1 Qb3 22.Rb3+=) 20.Nh6+= Kg7 21.Ng4 (21.Nf7!? d5 22.Ng5=) 21...Ng4–/+ 22.hg4 Rec8 (22...d5 23.Qa4–/+) 23.a4 (23.bc6 bc6 24.Qa4–/+) 23...cb5 (23...Bf6!?–/+) 24.Nd5+= Qd8 25.ab5 (25.Qb5 b6+=) 25...Rc1 (25...Bf6 26.Rc8 Rc8 27.Rd1+= (27.Ra7?? Rc1 28.Qd1 Rd1 29.Kh2 Be5 30.g3 Qh4 31.Kg2 Qh1)) 26.Rc1= White gets strong initiative 26...Rc8?? (better is 26...Bf6=) 27.Rc8+– Qc8 28.Ne7 Qg4 29.Qc3 Kf8 30.Qc8 Qc8 31.Nc8 a6 32.ba6 ba6 33.Nd6 Ke7 34.Nb7 h5 35.f4 f5 36.Kf2 Kf6 37.Kf3 g5 38.fg5 Kg5 39.g3 Kg6 40.Kf4 Kf6 41.Nd6 a5 42.Nf5 a4 43.Nd4 a3 44.Nc2 a2 45.e4 Ke6 46.e5 Kd5 47.Kf5 Kc4 48.Na1 Kc3 49.e6 Kb2 50.e7 Ka1 51.e8Q Kb2 52.Qe2 Kb1 53.Kg5 a1Q 54.Qe1 Kb2 55.Qa1 Ka1 56.Kh5 (56.Kh5 Kb2 57.g4+–) 1–0. Herm,Florian – Prill,Daniel, Baden–ch AT2, 2002.

6.Nf3 0–0 7.Be2 Nbd7 8.0–0= a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 e4 12.Nd4 Ne5 13.Nb3 Ng6 14.d3= ed3 15.Bd3 Ne5 16.Nc3 Be6 17.bc6 bc6 18.Nd4 Bd7 19.Qc2 ½–½. Hauck,B – Popis,I, SB RHH MCT, 1990.

6.Nc3 cb5

7.cb5 0–0 8.Nf3 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Nbd7 12.Bc4 Nc5 13.0–0 (13.d4 Ncd7=) 13...h6 (better is 13...d5!? 14.Be2 d4 15.ed4 ed4+=) 14.d4+= ed4 15.Nd4 d5 16.Be2 Qd6 17.Rd1 Bg4 18.Nf3 (18.Nd5 Qd5 19.Nc6 bc6 20.Rd5 cd5 21.Bg4 Ng4 22.Bg7 Rb8+=) 18...Bd8 19.Na4 Bc7? (better is 19...b6+=) 20.Be5 Qe7 21.Bf6 gf6 22.Rd5 (better is 22.Nc5 Qc5 23.Qf6+–) 22...Ra8 23.Rd4 (worse is 23.Rc5 Qc5 24.Nc5 Ra1 25.Bf1 Bf3 26.gf3 b6–/+) 23...Be5?? (better is 23...Bf3 24.gf3 Be5 25.Rg4 Kh8+=) 24.Rg4+– Kh7 (24...Kh8 25.Qd1+–) 25.Qb1 Kh8 26.Nc5 (better is 26.Qf5 Bd6+–) 26...Ra1 27.Qa1! Ba1 (27...Ba1 28.Rc4 Combination) 28.Ne4 (better is 28.Rc4+–) 28...f5+= 29.Rh4 fe4 (29...fe4 30.Rh6 Kg7+=) 0–1. Fournier,Frederic – Villa,Frederic, Ch Club, 1995.

6.Nc3 0–0 7.Be2 +=.

6.Nc3 cb5 7.cb5 b6 (7...0–0 8.d4+=) 8.Nf3 (8.d4 e4=) 8...Bb7 (8...0–0 9.e4=) 9.Qb3 (9.d4 Nbd7=) 9...h6 (9...Nbd7 10.Rc1=) 10.Be2 (10.d4 Bf3 11.de5 de5 12.gf3 Nbd7+=) 10...Nbd7 (10...0–0 11.0–0=) 11.d4 Rc8 12.de5 de5 13.Rd1 Qc7 14.0–0 0–0 15.Nh4 Ne4 (15...Nc5!? 16.Qc4 Rfd8=) 16.Nf5 Ndc5 17.Ne7 (17.Nd5 Bd5 18.Qd5 Bf6+=) 17...Qe7= 18.Qb4 Qg5 (better is 18...Rfd8=) 19.Bf3?? (better is 19.Nd5 Rfd8 20.Bc4=) 19...Nc3–+20.Bb7 (20.h4 Qg6 21.Bb7 Nd1 (21...Nb7?! 22.Bc3 e4 23.Rd5=) 22.Bc8 Nb2 (22...Rc8?! 23.Rd1 Nd3 24.Qd2–/+) 23.Qb2 Rc8 24.Qe5 Qd3–+) 20...Nd1 (20...Nb7?! 21.Bc3 Rfd8 22.Rd8 Rd8 23.Qe4+=) 21.Bc8 (21.f4 ef4 (21...Nb7 22.fg5 Ne3 23.Rf3+/–) 22.ef4 Qe7 23.Rd1 Qb7–+) 21...Nb2 (21...Rc8?! 22.Rd1 Rd8 23.Rd8 Qd8 24.h3=) 22.Qb2 Rc8 23.Rd1 Qe7 (23...Na4 24.Qd2–+) 24.Rd5 (24.Qe2 e4–+) 24...Rd8 (24...e4 25.Qc3–+) 25.Rd8 Qd8 26.g3 Qd1 27.Kg2 Qd5 28.Kg1 e4 29.Qa3 Qd1 30.Kg2 Qf3 31.Kg1 Nd3 (31...Nd3 32.Qd3 ed3 33.h4 d2 34.Kh2 d1Q 35.h5 Qdh1#) 0–1. Labitte,Alain – Pierret,Aralia, Bethune–D, 2001.

5.b5 Be6

6.Nc3 Nbd7 7.d4 ed4 8.ed4 c6 (8...d5 9.c5=) 9.a4 (9.bc6 bc6 10.d5 cd5 11.cd5 Bg4=) 9...d5 10.Qb3 (10.c5 0–0+=) 10...Nb6 (10...0–0 11.c5+=) 11.c5= Nc4 12.Bd3 0–0 13.Nge2 Qc7 (13...b6 14.bc6 bc5 15.dc5–/+) 14.Bc1 b6 15.Bf4 Qb7 16.cb6 Qb6 17.0–0 Nh5 (17...a6 18.Rfb1=) 18.Be3 Ne3 19.fe3 Bg5 20.Nd1 c5 (20...Nf6 21.Nf4=) 21.Qb1 (21.Qc2 Rfc8 22.dc5 Rc5 23.Bh7 Kh8+=) 21...cd4 (better is 21...Nf6!?=) 22.Bh7 Kh8 23.ed4 (23.a5 Qd6 24.Nd4 Qe5=) 23...Bg4 (better is 23...Nf4 24.Ndc3 Ne2 25.Ne2 g6 26.Bg6 fg6 27.Qg6 Be3 28.Kh1 Bf7=) 24.a5 (better is 24.Bd3 Be2 25.Be2=) 24...Qe6–+ 25.Ng3? (25.Nec3 Be3 26.Nf2 g6–+) 25...g6 (better is 25...Ng3 26.hg3 Bd1 27.Bf5 Be3 28.Kh2 Qh6 29.Bh3–+) 26.Ra3 (26.Nh5 Bh5 27.Qb4 Kh7–+) 26...Kh7 27.Nh5 Bh5 28.Rh3 (28.Nf2 Rfe8 29.Rh3 Kg8–+) 28...Kg7 29.Qb4 Rae8 30.b6 Bd1 31.Rd1 Qe2 32.Rhd3 ab6 33.ab6 Rh8 34.b7 Be3 (34...Be3 35.Re3 Qe3 36.Kf1 Rh2 37.Qf8 Kf8 38.b8Q Rh1#) 0–1. Baxa,Ottokar – Mayr,Guenter (1855), Passau op 6th, 1998.

6.Be2 Nbd7 7.Qc2 (7.d4 0–0 8.Nf3 e4 9.Nfd2 c6 10.Nc3 d5=; 7.Nf3 a6 8.ba6 ba6 9.Nc3 0–0 10.Rb1 Nb6=; 7.Nc3 a6 8.ba6 Ra6 9.Nf3 0–0 10.d4 Ra5=) 7...0–0 (7...c6 8.d4 0–0 9.Nd2 cb5 10.d5 Bg4+=) 8.Nf3 h6 (8...c6 9.bc6 bc6 10.Ng5 Rb8=) 9.0–0 (9.d4 ed4 10.Bd4 c5=) 9...c6 (9...a6 10.ba6 Ra6=) 10.a4 (10.bc6 bc6=) 10...a6 (10...Rc8=) 11.Nc3 Qc7 12.Rfc1 Rfc8 13.ba6 ba6 14.Ba3 c5 15.e4 Nb6 16.d3 Nh5 (16...Rab8!?=) 17.Ne5+= Nf4 18.Nf3 Ne2 19.Qe2 Bg4 20.Rc2 Bf6 21.Bc1 Qd7 22.a5 Bc3?? (better is 22...Na4 23.Ra4 Bc3+/–) 23.Rc3+– Nc4 24.dc4 Qe6 25.Qd3 f5 26.Qd5 (26.ef5 Bf5 27.Qd1 Rf8+–) 26...Re8 27.ef5 (27.Qe6 Re6 28.ef5 Bf5+–) 27...Bf5 (27...Qd5 28.cd5 Bf3 29.gf3+–) 28.Qe6 Re6 29.Bf4 Rd8 30.Rd1 Bg4 31.Kf1 g5 32.Bg3 Kf8 (32...Bf5 33.Re3+–) 33.h3 Bh5 34.Rb3 Ke7 35.Rb6 Bf7 (35...Rd7 36.Ra6 Bg6 37.Rb6+–) 36.Ra6 Rg6 37.Ra7 Rd7 (37...Ke8 38.Nd2 Re6+–) 38.Rd7 Kd7 39.Ne5 Ke6 40.Ng6 Bg6 41.Rd6 (41.Rd6 Kf7 42.Rg6 Kg6 43.a6+–) 1–0. Samarian,Natalia – Schwengel,G, RLPF–ch (Women) Germany, 1986.

6.Nf3 h6 7.Qc2 Nbd7 (7...0–0 8.d4 e4 9.Nfd2=) 8.a4 (8.d4 e4 9.d5 Bg4 10.Bf6 Nf6=) 8...Rc8 (8...Rg8 9.Be2=) 9.d4 (9.Be2 0–0+=) 9...ed4 (9...e4 10.d5 Bg4 11.Bf6 Nf6 12.Nfd2=) 10.ed4 (10.Nd4 0–0=) 10...d5 11.c5 c6 12.Bd3 Qc7 (12...b6 13.cb6 cb5 14.Qe2=) 13.0–0 0–0 14.Nbd2 Nh5 (14...b6 15.cb6 ab6 16.Rfc1=) 15.Rfe1 Rfe8 16.Bf5 (16.Bh7 Kh8+=) 16...Bf5 (16...Nf4 17.Be6 Ne6 18.Rac1=) 17.Qf5+= Nhf6 (17...g6 18.Qg4+=) 18.Bc3 (18.Re2 g6 19.Qh3 Bf8 20.Re8 Re8=) 18...g6 (18...b6 19.cb6 ab6 20.bc6 Qc6 21.Rec1=) 19.Qd3 (19.Qh3 Bf8+=) 19...Qf4 (19...b6 20.bc6 Qc6 21.Ne5 Ne5 22.de5+=) 20.h3 (20.Re2 Bf8+=) 20...Bf8 (20...b6 21.g3 Qc7 22.bc6 Qc6 23.Qa6–/+) 21.g3 (21.bc6!? bc6 22.Qa6+=) 21...Qc7= 22.Ne5 (22.bc6 Qc6 23.Re8 Re8=) 22...Kg7 (22...Ne5!? 23.de5 Nd7+=) 23.Ndf3 Ne4 24.Re4 (better is 24.bc6!? bc6 25.Rab1=) 24...de4+= 25.Qe4 Nf6 26.Qh4 Nd5 27.Bd2 h5 (27...g5 28.Qh5+=) 28.Re1 Kg8 (28...f6 29.Nd3+=) 29.g4 hg4 30.Ng4 (30.hg4 Bg7+=) 30...Re1–/+ 31.Be1 Qf4 32.Nfe5 (32.Nge5 Qh4 33.Nh4 Bg7–/+) 32...Bg7 33.f3?? (better is 33.bc6 bc6 34.Nc6–+) 33...Qd4–+ 34.Bf2 Qa1 (34...Qa1 35.Kg2 Be5 36.Ne5 Qe5–+) 0–1. Merkl,M – Straeussl, Manding tt, 1990.

6.Nf3 0–0

7.d3 a6–/+ 8.a4 ab5 9.ab5 (9.cb5 Nbd7 10.Be2 Nc5 11.Nbd2 b6 12.0–0 Bd5 13.d4) 9...Ra1 10.Ba1 c6 (10...Nbd7 11.Nc3 Nc5 12.Be2 Bf5 13.d4) 11.Be2 (11.Ng5 Bf5 12.Nc3 h6 13.Nge4) 11...cb5 12.cb5 Qa5 (12...Nbd7 13.0–0) 13.Nc3 (13.Nbd2!?+=; 13.Bc3+=) 13...Nd5 (better is 13...Rc8 14.Kd2 Nbd7–+) 14.Qc1?? (better is 14.Qa4 Qa4 15.Na4–/+) 14...Rc8–+ 15.Kd2 Nd7 16.Qc2 Nc5 17.Bb2 (17.Rb1 Bd8 18.b6 Bb6–+) 17...Nb4 (better is 17...Qb4 18.Bd1–+) 18.Ra1 Qa1 (18...Qb6!? 19.Qb1 Nb3 20.Kd1 Na1 21.Qa1–+) 19.Ba1 Nc2 20.Kc2 f6 21.Nd2 Na4 22.Ndb1 (22.d4 f5–+) 22...d5 23.Kd1 (23.d4 Bd6–+) 23...Nc3 (better is 23...d4 24.ed4 ed4 25.Na4 Bb3 26.Kd2 Rc2 27.Ke1 Bb4 28.Bc3 dc3 29.Nac3 Rc1 30.Kd2 Rb1–+) 24.Bc3 d4! 25.ed4 Ba2 26.de5 (26.Bg4 f5 27.Bf5–+) 26...Bb1 27.Kd2 fe5 28.Be5 Bb4 29.Ke3 Re8 (29...Ba2!? 30.f4 Bd5 31.Bf3 Bf3 32.Kf3–+) 30.d4 Bd6 31.f4 Ba2 32.g4 Bd5 33.g5 g6 34.h4 Kf7 35.h5 Be5 36.de5 b6 37.Bg4 Be6 38.Bf3 Re7 39.hg6 hg6 40.Bc6 Ra7 41.Be4 Ra3 42.Bd3 Bf5 43.Kd2 Rd3 44.Ke2 Ke6 45.Kf1 Bg4 46.Kf2 Kf5 47.e6 Ke6 48.Kg2 Kf5 49.Kg1 Kf4 50.Kg2 Rd2 51.Kf1 Kg3 52.Kg1 Rd1# 0–1. Schmeding,Irene – Wurzer,Georg, Bahn–chT Fuessen, 1993.

7.Be2 Nbd7 8.0–0 c6 9.a4 cb5 10.ab5 a6 11.Nc3 Qc7 12.d3 a5 13.Ng5 Bf5 14.Bf3 (14.f4 ef4 15.Rf4 Bg6+=) 14...Rab8 15.Nge4 Ne4 16.Ne4 Nf6 17.Ng3 Bg6 18.Qd2 b6 (18...Ra8!?+=) 19.Bc6+/– Nd7 20.f4 f6 21.f5 Be8 22.d4 Bf7 23.Rac1 Rbc8 24.Ba3 Nb8 25.d5 Nd7 26.Ne4 Nc5 (26...Nb8!?+=) 27.Bc5+/– bc5 28.Ra1 Bd8 29.Ra4 Qe7 30.Qb2 Bb6 31.Nd2 Rc7 32.Nb3 Ra7 33.e4 Qc7 34.Qc3 Be8 35.Rfa1 Bc6 36.dc6 Rfa8 37.Rd1 Rd8 38.Ra2 (38.Qd2 Kh8+/–) 38...Kf8 39.Nd2 Qe7 40.Nf1 Qf7 41.Rad2 (41.Ne3 Bc7+–) 41...Qc7 (41...Kg8!? 42.Ne3 Qc7 43.Nd5+–) 42.Ne3 a4 43.Nd5 Ba5 (43...Qb8 44.Ra2 (worse is 44.Nb6 Qb6 45.Qa3 Ke7+–) 44...Ra5 45.Qh3+–) 44.Qh3 Qb8 45.Qh7 Bb6 (45...Bd2 46.b6 Ba5 47.ba7 Qb3+–) 46.Nb6 Qb6 47.Rd6 Rd6 48.Rd6 a3 49.Qh8 Kf7 50.Rd8 (better is 50.Re6 Re7 51.Re7 Ke7 52.Qg7 Ke8 53.Qd7 Kf8+–) 50...Qd8 51.Qd8 a2 52.Qd5 Kf8 53.Qc5 Re7 54.Qa3 (54.Qa3+–) 1–0. Nikolic,Jovane (1710) – Correia,Vitor Paie, Cordeiropolis BRA, 3rd Open, 2013.

7.Be2 Ne8 8.d4= (8.Nc3 Nd7 9.d4 a6 10.0–0 Nef6 11.a4 ab5=; 8.Qc2 a6 9.d4 ab5 10.cb5 ed4 11.Nd4 Nd7=; 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nf6=; 8.a4 a6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 Nd7=; 8.Qb3 a6 9.0–0 ab5 10.Qb5 Ra6 11.Qb3 Nc6=) 8...e4 (8...ed4 9.Nd4 Nd7 10.0–0 a6 11.Nc3 ab5=) 9.Ng1 (9.Nfd2 f5= (9...d5 10.cd5 Bd5 11.0–0 f5+=) 10.d5 Bf6 11.Nc3 Bd7=) 9...f5 (9...a6 A) 10.d5 Bf5 11.Bg4 (11.Nc3+= ab5+=) 11...Bg4+=; B) 10.Nc3 Nf6 11.d5 Bd7=; 9...Nf6 10.Nc3 a6 11.d5 Bd7=) 10.d5 (10.Nh3 a6 11.Nf4 Bf7=) 10...Bf7 11.Nh3 Bf6 12.Bf6 Nf6 13.Nd2 Nbd7 14.Nb3 Kh8 15.Nd4 g6 16.Ng5 b6? (better is 16...Nc5+=) 17.h4 (17.Nf7?! Rf7 18.h4 Ne5+=) ½–½. Streit,Bodo – Belling,Frank, Landesliga2 West, 2000.

7.Be2 h6 8.0–0 Nbd7 9.d4 e4 10.Nfd2 d5 11.cd5 Bd5 12.Nc3 c6 13.Nd5 cd5 14.Qb3 Qb6 15.a4 Rfc8 16.Rfc1 Rc1 17.Rc1 Nf8 18.f3 Rd8 19.Qc2 ef3 20.Bf3 Ne6 21.Nb3 a6 22.ba6 Qa6 23.a5 Qd6 24.Qd3 Ng5 25.Qe2 Nf3 26.gf3 Nd7 27.Rc3 Bf6 28.Qc2 Nf8 29.Nc5 Qe7 30.Qd3 Ng6 31.Ba3 Qe8 32.Nb7 Rb8 33.a6 Ra8 34.Bc5 Qc6 35.Ra3 Bg5 36.Qb3 (better is 36.Nd6 Ne5 37.Qf5+–) 36...Ra6= 37.Ra6 (better is 37.Nd6=) 37...Qa6–+ 38.Qb2 (38.Be7 Qa1 39.Kf2 Ne7 40.Nd6–+) 38...Be3 39.Kg2 Nf4 (39...Nf4 40.Kg3 Qg6 41.Kh4 Qg5) 0–1. Van Esbroeck,Dirk – Molina,Vicente Andres, SN–2010–0–00292, 2010.

5.b5 Bf5

6.d3 0–0 7.Nf3 a6 8.a4 ab5 9.ab5 Opening the a–file gets Black a lot of play 9...Ra1 10.Ba1 Nbd7 11.Be2 Qa8 12.Bc3 Nc5 13.e4 Bd7 14.Qc2 Qa7 (14...c6 15.bc6 bc6 16.Nbd2+=) 15.0–0 Ra8 16.Nbd2 Qa2 (16...Qa4 17.Qa4 Ra4 18.h3+=) 17.Qb2 (17.Bb2!?=) 17...Qb2+= 18.Bb2 Ra2 19.Rb1 Na4 20.Ra1 Ra1 (20...Rb2 21.Ra4 g5–+) 21.Ba1= c6 22.d4 ed4 23.Bd4 Nc5 24.e5 de5 25.Ne5 cb5 26.cb5 Bd6 (26...Be6 27.Kf1=) 27.b6 Kf8 28.Bf3 Bc8 29.Nec4 Be7 30.Na5 Nfe4?? (better is 30...Nfd7+=) 31.Be4 Ne4 32.Nac4 (better is 32.Ne4 f6 33.Bc5+–) 32…f6?? (better is 32...Nd2 33.Nd2 Be6=) ½–½. Bittner – Westphal,Matthias, 1987.

6.Nf3 Qd7 7.d3 =+.

6.Nf3 Nbd7

7.Be2 0–0 8.Qb3 Nc5–/+ 9.Qd1 Nd3 10.Bd3 Bd3 11.Qb3 e4 12.Nd4 Nd7 13.Qc3 Nf6 14.Qc1 0–1. Coskun,Selin – Stanciu,Ioana Georgiana, Wch U10 Girls, 2007.

7.Be2 0–0 8.d4 ed4 9.Nd4= Bg6 10.h4 Bb1 11.Qb1= Nc5 12.Bf3 Nfd7 13.Qc2 Bf6 14.g4 Ne5 15.Be2 g6 16.h5 Qd7 17.g5+= Bh8 18.Rh4 Qe7=+ 19.Rh3 Rae8 20.0–0–0 Ned7 21.Rdh1 Qe4 22.hg6 fg6 23.Rh7 Bg7 24.Rg7! Kg7 25.Nf5 Kf7 26.Rh7 Ke6 27.Nd4 Ke5 28.Nc6?? Kf5+= 29.Nd4 Kg5= 30.f4 Kf6 31.Nf3 Ne5?? 32.fe5+– de5 33.Qe4 Ne4 34.Rc7 Ng3 35.Kd2 Rd8 36.Ke1 Rfe8 37.Rb7 g5 38.Ra7 Ne4 39.b6 g4 40.Ne5 Re5 41.b7 Rh8 42.Be5 Ke5 43.Ra8 Rh3 44.b8Q (44…Nd6 45.Ra5 Ke4 46.Qb1 Ke3 47.Qd3 Kf4 48.Qd6 Ke3 49.Qe5#) 1–0. Kern,Guido (2310) – Demski,H, Hessen clubgame, 1994.

7.Be2 a6 8.0–0 +=.

5.Qc2 0–0

6.a3 Be6 7.Bd3 Nbd7 8.Nf3= a5 9.Ng5 h6 10.Ne6 fe6 11.Nc3 ab4 12.ab4 d5 13.Ra8 Qa8 14.cd5 ed5 15.Bf5 c6 16.b5 Qb8 17.0–0 Qc7 18.Be6 Kh8 19.Nd5! Nd5 20.Bd5 c5 21.Ra1 b6 22.Qg6 Nf6 23.Bc4 Bd6 24.Ra6 Qd8? 25.Ra7 Be7 26.Be5 (26…Qe8 27.Qe8 Re8 28.Bf7+–) 1–0. Knorr,B – Bedbur,H, corr sok, 1997.

6.a3 Re8 7.Nf3 =+.

6.d4 ed4 7.Bd4 Nc6 8.Bc3 d5 9.a3 d4 10.b5 dc3 11.bc6 bc6 12.Bd3 Qd6 13.Nc3 Rd8=+ 14.Be2 Qc5 15.Nf3 Bf5 16.Qc1 Ne4 17.Ne4 Be4 18.0–0 Bf6 19.Ra2 Rab8 20.Nd2 Bd3 21.Bd3+= Rd3 22.Ne4 Qe5 23.Nf6 Qf6 24.Rd1 Rb2 25.Rb2 Qb2 26.g3 Qc1 27.Rc1 Ra3 28.Rd1 Kf8 29.Rd7 Ke8 30.Rc7 Kd8? 31.Rf7+– a5 32.Rg7 a4 33.Rh7 Kc8 34.c5 Ra1 35.Kg2 Kb8 36.Rh4 Ka7 37.Rb4 Ka6 38.Rb6 Ka5 39.Rc6 Kb5 40.Rc8 Rc1 41.h4 (41.h4 a3 42.Ra8+–) 1–0. Ackermann,Robert (1950) – Holland,Arthur (1790), Pyramiden Franken Cup 1st, 1998.

6.d4 e4 7.d5 c6 8.f3 cd5–/+ 9.cd5 ef3 10.Nf3 Nbd7 11.Bd3 Ne5 12.Ne5 de5–/+ 13.Be5 Bb4 14.Nd2 Nd5 15.Bh7? Kh8–+ 16.Bd4 Ne3! 17.Be3 Qh4 18.Bf2 Bd2 19.Qd2 Re8 20.Kf1 Qh7 21.Re1 Re1 22.Ke1 Bf5 23.h3 Re8 24.Kf1 Bd3 25.Kg1 Re2 26.Qf4 Qf5 27.Qf5 Bf5–+ 28.Ba7 Ra2 29.Bd4 b5 30.g4 Be4 31.Rh2 Rh2 32.Kh2 b4 33.Kg3 b3 34.h4 Kh7 35.Kf4 Bc2 36.g5 Kg6 37.Ke5 Kh5 38.Kd6? Kh4–+ 39.Ke7 Kg5 40.Bg7 f5 0–1. malaysianisme – felippe (2100), net–chess.com, 2003.

6.Nf3 a5 7.ba5 Nc6 8.d4 =+.

6.Nf3 c6 7.a4 (7.Nc3 Qb6=+) 7...Na6 8.b5 Nb4 9.Qb3 c5 10.d3 a5 (10...Qa5 11.Nbd2=+) 11.Be2= h6 (11...Bf5 12.0–0=) 12.0–0 Bf5 13.Nbd2 Bh7 (13...Qc7 14.Nh4 Be6 15.f4=) 14.Rfd1 (14.Rad1 Qb6=) 14...Qc7 (14...Bf5 15.e4 Be6 16.Qc3=) 15.Nf1 Ne8 ( 15...Rae8=) 16.d4 ( 16.Ng3=) 16...Bc2–/+ 17.Qa3 Bd1 18.Bd1 (18.Rd1 cd4 19.ed4 e4–/+) 18...ed4 (18...cd4 19.ed4 e4 20.N3d2–+) 19.ed4 Bf6 (19...cd4 20.Bd4 d5 21.cd5–+) 20.d5 (20.Rc1 cd4 21.Nd4 Rc8–/+) 20...Bb2–+ 21.Qb2 Nf6 22.Ra3 Rae8 23.Ne3 Qe7 24.Nh4 Qe4 25.Nhf5?? Qf5 (26.Be2 Qg6–+) 0–1. Semenko,Georg (1800) – Litterst,Reinhard, 7sen.BayEM Schney, 1995.

6.Nf3 Be6 7.a3 Qd7 8.Nc3 c6 9.Be2 Na6 10.Ng5 h6 11.Ne6 Qe6 12.h3 Nc7 13.g4 g5 (13...d5 14.cd5 cd5 15.Rg1=) 14.0–0–0 (14.h4 Ng4 15.hg5 Bg5 16.Rg1+–) 14...a5+= 15.Rdg1 ab4 16.ab4 Ra7 (better is 16...d5!?+=) 17.h4+= Kg7 (better is 17...d5!? 18.hg5 hg5+/–) 18.hg5+/– hg5 19.Ne4 Ne4 20.Qe4 f5 21.gf5 Qf5 22.Qh4 (22.Qf5 Rf5 23.f4 Kg8+–) 22...Kf7 23.Qh5 Qg6 24.Qh3 Rfa8?? (24...Qe6!?+/–) 25.d3 (25.Bh5 Rg8 26.Qf5 Ke8 27.Qc8 Kf7 28.Bg6 Rg6 29.Qf5 Bf6 30.Qd7 Kg8 31.Qc7 Rg7 32.Qd6 b5 33.Qf6 Ra1 34.Ba1 bc4 35.Rg5 Rg5 36.Rh8) 25...b5?? (better is 25...Qe6 26.Qh7 Kf8+–) 26.Bh5+– Rg8 27.Bg6 Rg6 28.Qd7 bc4 (28...Rg7 29.c5 Kg8+–) 29.Rh7 Kf6 (29...Kg8 30.Re7 Ra1 31.Ba1 Ne6 32.Qe8 Nf8 33.Qf7 Kh8 34.Qf8 Rg8 35.Rh1) 30.Qe7 Kf5 31.Rf7 Rf6 32.Qf6# 1–0. combijack (1770) – dnuggets1234, gameknot.com, 2011.

6.g3 c6 7.Bg2 Be6 8.Ne2 Qd7 9.f4 Bh3 10.0–0 Bg2 11.Kg2 e4 12.Nbc3 d5 13.c5 a5 14.a3 h5 15.Nd4 ab4 16.ab4 Ra1 17.Ra1 Na6 18.Nc6 Qc6 =/+ 19.b5 Nb4 20.Qb3?? Qc5–+ 21.Ba3 Qc4 22.Rb1 Qb3 23.Rb3 d4! 24.ed4 Nbd5 25.Nd5 Nd5 0–1. Myslowski,Karol (1930) – Dziong,Lech (2065), Polonia–B Warsaw (9), 1978.

6.Nc3 Na6

7.a3 c5 8.b5 Nc7 9.Nf3 a6 10.ba6 ba6 11.Be2 Rb8 12.0–0 Qd7 13.Rab1 Bb7 14.Ng5 h6 15.Nge4 Ne4 16.Ne4 f5 17.Ng3 Bh4 18.Bc3 g6 19.d4 cd4 20.ed4 ed4 21.Bd4+= Ne6 22.Qd2 Kh7 23.Be5 Rfd8 24.Bc3 Bg5 25.f4 Bh4 26.Ba5 Re8 27.Rfd1 Bf6 28.Bb6= Ba8 29.Be3 Rb1 30.Rb1 Qc7 31.Kh1 Nc5 32.Bf1 h5 33.Ne2 Be4 (33...Be4 34.Rb4 a5=). Schulz,Hans_Juergen – Felkel,Siegfried, TT–18.21 TSC, 2005.

7.a3 c6 8.Nf3= Bg4 9.Be2 Re8 10.0–0 Nc7 11.d4 ed4 12.Nd4+= Be2 13.Nce2 Bf8 14.Rfd1 d5 15.Ng3 dc4 16.Nc6!+/– Qc8 17.Bf6 gf6 18.Nd4+– b5 19.Nh5 Bg7? 20.Nf5 Bh8 21.Nh6 Kf8 1–0. Yermolayev,A – Pereira,P, IECG, 2004.

6.Nc3 Be6

7.Nf3 Nbd7 8.Be2 c6 9.Ng5 Re8 10.Ne6 fe6 11.a3 d5 12.h4 a5 13.b5 Nc5 Black prepares d4 14.h5?? (better is 14.d4 ed4 15.ed4=) 14...d4–+ 15.h6? (15.bc6 d3 (15...dc3?! 16.Bc3 bc6 17.Be5–/+) 16.Qb1 de2 17.cb7 Rb8–+) 15...dc3 (better is 15...d3!? 16.Qb1 de2–+) 16.Bc3 g6 17.Be5 cb5 18.cb5 Rc8 19.Qa2 Qd5 20.Qd5 ed5 21.d4 Nb3 22.Rb1 Rc1 23.Rc1 Nc1 24.Kd2? (better is 24.Bf6 Bf6 25.Bf3=) 24...Ne2–+ 25.Ke2 Ng4 26.Bc7 Rc8 27.b6 Ba3 28.f3 Nf6 29.Kd3 Ne8 30.Ra1 Bb4 31.Rc1 Bd6 32.Rc2 Nc7 (32...Rc7?! 33.bc7 Nc7 34.Ra2–/+) 33.bc7 Rc7 (33...Bc7?! 34.Rc5–+) 0–1. combijack (1810) – dthmathews (1780), gameknot.com, 2009.

7.Nf3 Re8 8.Ng5 Nbd7 (8...Bg4!?= 9.f3 Bh5 10.Bd3 h6 11.Nge4 a5 12.b5 Nbd7 13.g4 Bg6+=; 8...Bc8 9.Nd5 Nbd7 10.d4 h6 11.Ne7 Qe7 12.Nf3 e4 13.Nd2 c6=; 8...Bd7 9.Nd5 g6 10.Ne7 Qe7 11.b5 a6 12.Be2 ab5 13.cb5 c6=) 9.Bd3+= Nf8 10.0–0 (10.Ne6 Ne6 11.Nd5 Nf8+= (11...g6 12.f4 a5 13.a3 e4+=) 12.Nf6 Bf6 13.Be4 c6+=) 10...g6 (10...Bg4 11.f3 Bh5 12.Nge4= c6 13.f4 a5+=) 11.Ne6 (11.f4 Bd7 12.Nge4 Be6 13.Nf6 Bf6+=) 11...Ne6 12.f4 ef4 (12...a5 13.b5 c6+=) 13.Nd5 c6 (13...Nh5+/–) 14.Ne7 Qe7 15.Qc3 Kg7 16.ef4 c5 17.bc5 dc5 18.Rae1 Qd8 19.Qa3 Qb6 20.Bf6 Kf6 21.f5 gf5 22.Bf5 Kg7 (22...Ke7 23.Qg3 Qd6 24.Be6 Qg3 25.Rf7 (worse is 25.hg3 fe6 26.Rf5 Rad8+=) 25...Kd6 26.hg3 Re6 27.Re6 Ke6 28.Rb7+–) 23.Qg3 Kh8 24.Bh7 Ng7?? (24...Qc7 25.Qc7 Nc7+–) 25.Qh3 Re1 26.Bf5 Kg8 27.Qh7 (27.Re1?! Nf5 28.Qf5 Qb2 29.Qg5 Kh7+–) 27...Kf8 28.Re1 (28.Re1 Ne6 29.Be6 fe6 30.Rf1 Ke8 31.Qg8 Kd7 32.Rf7 Kd6 33.Qg3 Kc6 34.Qf3 Kd6 35.Qd3 Ke5 36.Qg3 Kd4 37.Qc3 Ke4 38.Qe3#) 1–0. Buettner,Fritz (2375) – Santos,Pedro (1810), CiF–11er/0030, 2010.

6.Nf3 Nbd7

7.Nc3 Re8 8.Be2 Nf8 9.a3 Ng6 10.h4 h5 11.Ng5 c6 12.0–0–0 a5 13.b5 cb5 14.Nb5 b6 15.d4 Ba6?? (15...Bd7 16.de5 de5 17.Ne4 Ne4 18.Qe4=) 16.Qb3?? (better is 16.de5 Bb5 17.ef6 (17.cb5?! Rc8 18.Bc4 d5 19.ef6 Rc4 20.Qc4 dc4 21.Rd8 Bd8+/–) 17...Bf6 18.cb5+–) 16...ed4 17.Rd4 (worse is 17.ed4 Nf4 18.Bf1 d5–/+) 17...d5 18.cd5 Bc5 19.Rd2 Rc8 20.Kb1 Qe7 21.d6 Qd7 22.Nf7! Qf7?? (better is 22...a4 23.Qa2 Kf8+–) 23.Bc4 (23.Bc4 Rf8 24.Bf6+–) 1–0. combijack (1780) – silhouet2003 (1640), gameknot.com, 2009.

7.Ng5 h6 8.h4 Re8 (8...hg5?! 9.hg5 Re8 10.gf6 Nf6 11.Bd3+=) 9.Be2 Nf8 (9...hg5?! 10.hg5 a5 11.gf6 Nf6 12.b5+=) 10.Nf3 Be6 11.Nc3 c6 12.a3 Qc7 13.d4 ed4 14.Nd4 Rad8 15.0–0–0 a6 16.Ne4 Ne4 17.Qe4 d5 18.Ne6 Ne6 (18...de4?? 19.Nc7 Rd1 20.Rd1+–; 18...fe6?! 19.Qg4 e5 20.Kb1=) 19.Qg4 g6 20.Bd3 h5 21.Qf3 Ng7 (better is 21...c5 22.b5 d4=) 22.g4+/– hg4 23.Qg4 dc4 24.Bc4 Rd1 25.Rd1 (25.Qd1?! b5 26.Bb3 c5=; 25.Kd1 Rd8 26.Kc2 Qd6+–) 25...Kf8 26.Rd7 Qc8?? (better is 26...Qh2 27.Bg7 Kg7+/–) 27.Qd4 (27.Qd4 f6 28.Re7 Re7 29.Qf6 Ke8 30.Qg6 Kd7 31.Bg7+–) 1–0. combijack (1730) – silhouet2003, gameknot.com, 2012.

6.Nf3 Bg4

7.Nc3 a5 8.b5 Bf3 9.gf3 c6 10.Rg1 Nbd7 11.Bh3 Re8 12.Ne4 cb5 13.cb5 Rc8 14.Nf6 Bf6 15.Qf5 Nb6 16.Bc3 Rc5 17.Ba5 Rb5 18.Bb6 Rb6 (worse is 18...Qb6 19.a4 e4 20.ab5 Ba1 21.fe4+=) 19.Rd1 Rb2 20.a4 d5 21.Bf1 e4 22.Bb5 Re5 23.Qd7 ef3 24.Rg3 Rh5 25.h3 d4 26.Qd8 Bd8 27.Rf3 Kf8 28.ed4 Bf6 29.Rc1 Rd5 30.Rc8 Rd8 31.Rd8 Bd8 32.Re3 Be7 33.Rc3 Bd6 34.Re3 f5 35.Kd1 Rb4 36.Rd3 Ke7 37.Kc2 f4 38.h4 g6 39.Kc3 Ke6 40.Rh3 Kd5 41.h5 Rd4 42.d3 g5 43.h6 Bb4 44.Kb3 Ke5 45.Rh5 Kf6 46.f3 Bf8 47.Rh1 g4 48.Kc3 Rd8 49.fg4 Kg5 50.d4 Kg4 51.Bd3 Rd7 52.Be4 Kg5 53.Rg1 Kh6 54.Rh1 Kg5 55.Rh7 Bg7 56.Kc2 Kg4 57.d5 f3 58.Kd3 Kg3 59.Rh1 f2 60.Kc4 Be5 61.Rb1 Rc7 62.Kb4 Rc3–+ 63.d6 Re3 64.Bb7 Bc3 65.Kc5 Re1 66.Rb3 Re5 67.Kb6 f1Q 68.Rc3 Kg4 69.Bf3 Kf5 70.d7 Qg1 71.Kc6?? Re6 72.Kb7 Qd4 73.Rc6?? Qd7 (73...Qd7 74.Rc7 Qa4–+) 0–1. Vasut,Karel (2165) – Smistik,Milan (2390), CZE–chT2d, 2007.

7.Be2 Na6 8.a3 c5 9.b5 Nc7 10.Nc3 Ne6 11.Ne4 a6 12.Nfg5 Be2?? (better is 12...Ng5 13.Nf6 Bf6 14.Bg4 ab5 15.cb5 e4=) 13.Nf6 (13.Nf6 Bf6 14.Qh7) 1–0. combijack (1705) – streaker69 (1640), gameknot.com, 2012.

5.Qc2 Be6

6.Nf3 0–0 7.Ng5 h6 8.h4 Qd7 (8...hg5?! 9.hg5 Nbd7 10.gf6 Nf6 11.Bd3+=) 9.Ne6 Qe6 10.Nc3 d5 11.cd5 Nd5 12.a3 f5?? (better is 12...Nc3!? 13.Qc3 Bd6=) 13.Bc4 (better is 13.Nd5 Nc6 14.Nc7+–) 13...c6+/– 14.0–0–0?? (14.Qd3 Rd8 15.g4 g6+–) 14...Qd6 (14...b5 15.Bd5 cd5 16.d4+=) 15.f3 (15.Qd3 Kh8 16.Nd5 (16.Bd5?! cd5 17.Qd5 Qc7+=) 16...cd5 17.Qd5+– (worse is 17.Bd5 Rd8–/+)) 15...e4?? (better is 15...Kh8=) 16.fe4+– fe4 17.Ne4 Qd7 18.Ng5! Qf5?? (18...Bg5 19.Bd5 Decoy; 18...hg5 19.Bd5 Double attack (19.Bd5 Decoy)) 19.e4+– Qg6 20.ed5 Qc2 21.Kc2 Kh8 22.Ne6 Rf7 (22...Rc8 23.Bg7 Kh7 24.Bc3+–) 23.Nc7 Bd6 (23...Rf4 24.Bb3 c5 25.bc5+–) 24.Na8 Nd7 (24...Rf4 25.Bb3 Kh7 26.Rdf1+–) 25.dc6 1–0. combijack (1770) – coxamylife, gameknot.com, 2009.

6.Nf3 a5 7.a3 ab4 8.ab4 Ra1 9.Ba1 Nc6 10.b5 Nb8 11.Nc3 c5 12.Bd3 h6 13.0–0 Nbd7 14.Ne4 0–0= 15.Ng3 Qc7 16.Nf5 Bf5 17.Bf5+= d5 18.cd5 Nd5 19.Bd7 Qd7 20.Ne5 Qb5 21.Rb1 Qa6 22.Nd7 Ra8= 23.g3 Qa2 24.Qa2 Ra2 25.Bc3 Nc3 26.dc3 Rc2 27.Nb6 Bf6 28.c4 Bd8 29.Nd5 Rc4 30.Rb7 Rc1 31.Kg2 Ba5 32.Ne7 Kf8?? 33.Nc6+– (33...g5 34.Na5+–) 1–0. Konijn,P (1840) – van Haastere,Rob (1665), Gent, 2003.

6.Nf3 Qd7 7.Nc3 Bf5 8.d3 a6 9.Be2 Nc6 10.a3 0–0 11.0–0 b5 12.e4+= Bg6 13.cb5 ab5 14.Nb5 Rfc8 15.Nc3 Nh5 16.Nd5+– Nf4 17.Qc6! Ne2 18.Kh1 Qe6? 19.Ne5! de5 20.Qe6 fe6 21.Ne7 Kh8 22.Nc8 Rc8 23.Be5 c5 24.b5 Nd4 25.Bd4 cd4 26.b6 Rb8 27.Rfc1 (27.Rfc1 h6 28.Rab1+–) 1–0. pcmvr (2865) – tata (2040), net–chess.com, 2009.

6.Nf3 e4 7.Ng5= Bf5 8.Nc3 d5 9.cd5 Nd5? 10.Nge4?? Bb4 11.Nd5 Qd5 12.Bd3 Bd2?? 13.Nd2?? Bd3=+ 14.Qc7 Qg2 15.Qe5? Kd8–+ 16.0–0–0 Nd7 17.Qd4 Rc8 18.Bc3 Qc6 19.Kb2 Qb6 20.Nb3 Qd4 21.Nd4 Bg6 22.Nb5 a6 23.Bg7 Rg8?? 24.Bf6+– Ke8 25.Nd6 Kf8 26.Nc8 Nf6 27.Rd8 Kg7 28.Rg8 Ng8 29.Kc3 Nf6 30.Nd6 Ne4 31.Ne4 Be4 32.Rg1 Kf6 33.Kd4 Bc6 34.e4 h5 35.f4 b5 36.Rg5 h4 37.Rh5 Kg6 38.Rh4 a5 39.Rg4 Kf6 40.h4 b4 41.h5 a4 42.h6 b3 43.ab3 ab3 44.h7 b2 45.h8Q Ke7 46.Qb8 (46...b1R 47.Qc7 Bd7 48.Qc5 Kd8 49.Rg8 Be8 50.Qd6 Kc8 51.Qc6 Kb8 52.Re8 Ka7 53.Ra8#; 46.Qe5 Kd7 47.Kc5 b1Q 48.Qd6 Kc8 49.Qc6 Kd8 50.Rg8 Ke7 51.Qd6#) 1–0. Otte,Marco – Loeffler,Maarten, Wag.Intcomp Wageningen, 2001.

6.Nf3 h6 7.Nc3 c6 8.Be2 0–0 9.0–0 Nbd7 10.d4 Qc7 11.h3 Rac8 12.e4 ed4 13.Nd4 d5 14.ed5 cd5 15.Ndb5 (15.c5!?+=) 15...Qb8 16.c5 a6 (16...b6 17.Qa4 bc5 18.Na7 Qb4 19.Nc8 Rc8 20.Qc2=) 17.Nd4+= Ne5 18.a3 Nc6 19.Qd2 Nd4 20.Qd4 Rfd8 21.Rad1 Ne8 22.f4 Bf6 23.Qf2 g6 24.Bg4 Bg4 (24...b6!?=) 25.hg4+/– d4 (25...Nc7 26.g5! Bg7 27.gh6 Bh6 28.Na4+–) 26.Ne4 Bg7 27.f5 Qe5 28.Rfe1 Qd5 29.f6 Bf8 30.Qd4 (30.Rd4 Qc6+–) 30...Qd4? (30...Qb3 31.Qd8 Rd8 32.Rd8 Nc7+–) 31.Bd4+– Nc7 32.Kf2 Nb5 33.Bb2 1–0. gioco1b4 (2530) – ChessFox (2225), ChessWorld.net server game, 2013.

5.Nc3 0–0

6.a3 (--> 1.b4 e5 2.Bb2 Nf6 3.a3 d6 4.e3 Be7 5.c4 0–0 6.Nc3).

6.Rc1 a5 7.b5 Nbd7 8.Bd3 Nc5–/+ 9.Bb1 Bg4 10.f3 Bh5 11.Nce2 Nfd7 12.Nh3 Bg6 13.d3 Bg5 14.Kf2 Bh6 15.g3 f5 16.f4=+ Bh5 17.Re1 Qe7 18.Qd2 Be2 19.Re2= b6 20.Rce1 Qf7 21.Kg1+= Rae8 22.Nf2 Qh5 23.d4+= Nb7 24.de5+/– Qf7 25.Bf5 Qf5 26.Qd5 Qf7 27.Qb7 de5 28.Qc7 Rc8 29.Qd6 Rc4 30.Ng4 Rb4 31.Be5 Ne5 32.Ne5 Qb7 33.Rc2 g6 34.a3 Ra4 35.Rc7 Qe4 36.Qe7 (36...g5 37.Qe6 Kh8 38.Qh6 Qe3 39.Re3 Rf7 40.Nf7 Kg8 41.Re8#) 1–0. Gaggiottini,Manfredo – Benvenuti,Carlo (2200), ITA–ch Italy, 1994.

6.Rc1 Nc6 7.a3 –/+.

6.Qc2 Na6 7.a3 c6 8.Nf3 Bg4 9.Be2 Re8 10.0–0 Nc7 11.d4 ed4 12.Nd4 Be2 13.Nce2 Bf8 14.Rfd1 d5 15.Ng3 dc4 (better is 15...Bd6!?+=) 16.Nc6!+/– Qc8 (16...bc6 17.Rd8 Discovered attack) 17.Bf6 gf6 18.Nd4 b5 19.Nh5 Bg7? (19...Be7 20.Nf5 a5 21.ba5 Ra6+–) 20.Nf5 (20.Ng7?! Kg7 21.Nf5 Kh8+–) 20...Bh8 (20...Kh8 21.Nhg7 Rg8+–) 21.Nh6 Kf8 1–0. Ermolaev,Andrey (1850) – Pereira,Prashant, IECG, 2004.

6.Qc2 c5 7.bc5 dc5 8.Nf3 Nc6 9.a3 Be6 10.Bd3 Qd7 11.Ne4 Ne4 12.Be4 f5 13.Bc6 Qc6 14.Be5 f4 15.Bf4 Bf5 16.d3 Rad8 17.0–0–0 Bf6 18.Be5 Bg4 19.Bb2 Bb2 20.Qb2 Bf3 21.gf3 Qf3 22.Rhg1 Rf7 23.Rd2 Re8 24.Qb5 Rc8 25.Rg5 b6 26.Kc2 Qh3 27.Qb2 Re8 28.Re5 Rfe7 29.Re7 Re7 30.d4 Qh2 31.d5 Qd6 32.Qb3 g5 33.Qd3 h5 34.e4 g4 35.Qe3 Kf8 36.f4 h4 37.e5 Qg6 38.Kb2 g3 39.d6 Re8 40.d7 Rd8 41.f5 (41.f5 Qf5 42.Qh6 Kf7 A) 43.Qh4?! Rd7 (worse is 43...Qe5 44.Kb3 Qe3 45.Kc2+–) 44.Rd7 Qd7 45.Qf4 Ke8 46.Qg3 Qe6=; B) 43.Re2+–) 1–0. Degterev,Pavel (2275) – Bartsch,Christian (1870), RA–2008–0–00025, 2008.

6.Qc2 Nc6 7.a3 Be6 8.Nf3 Qd7 9.d4 ed4=+ 10.ed4 Bg4 11.0–0–0 Rfb8 12.Be2 Re8 13.h3 Bf5 14.Bd3 Bd3 15.Qd3 Rad8 16.Rhe1 d5 17.c5 Nh5 18.b5 Nf4 19.Qf1?? Na5–+ 20.Kb1 Qf5 21.Ka2 Qc2 22.Rd2 Qb3 23.Kb1 Nc4 24.Rc1 Na3 25.Ka1 Nc4 26.Rdc2 Bf6 27.Nd5 Nd3 28.Nf6 gf6 (28...gf6 29.Bc3 Nc1 30.Qc1 a6–+) 0–1. fostir5000 (2165) – joke2003 (1920), ChessWorld.net, 2003.

6.Qc2 g6 7.Nf3 c6 8.Be2 Bf5 9.d3 Nbd7. pcmvr (2390) – kramavarma (1810), net–chess.com, 2006.

6.d3 b6 7.Nf3 Bb7 8.Be2 Nc6 9.a3 d5 10.cd5 Nd5 11.Rc1 Nc3 12.Rc3 Bf6 13.e4 Ne7 14.0–0 Ng6 15.Re1 Qe7 16.Qc2 Rac8 17.b5 Rfd8 18.a4 Nf4 19.Bf1 Ne6 20.Rc4 Ng5 21.Be2 a6 22.Rc1 Rd7 23.Nh4 Nh3 24.gh3+= Bh4 25.Bg4 Qg5 26.Kf1 f5? 27.Bf5+– Rf8 28.Rc7 Be4?? 29.de4+– Rc7 30.Qc7 Bf2 31.Qe5 Bc5 32.Rc5 bc5 33.h4 Qg4 34.Qd5 Kh8 35.Qc5 Rf5 36.ef5 Qd1 37.Kf2 Qd2 38.Kf3 Qd1 39.Ke4 Qb1 40.Kf4 Qf1 41.Ke5 Qe2 42.Kd6 Qh2 43.Be5 Qd2 44.Kc7 (44.Kc7 Qd6 45.Qd6 Kg8 46.Qe6 Kf8 47.Bd6) 1–0. Bazza3 – grimstad, ChessWorld.net, 2005.

6.d3 Bd7 7.Nf3 a6 8.Be2 Bc6 9.0–0 e4? 10.de4+/– b5 11.cb5+– ab5 12.e5 de5 13.Ne5 Bb4 14.Nc6 Nc6 15.Nb5 Bd6 16.Bf3 Ra6 17.Qe2 Rb6 18.Bc6 Rc6 19.a4 Qe7 20.Qf3 Ra6 21.Qe2 Rfa8 22.Rfc1 Ne8 1–0. wlittle (2330) – sbwiik (2340), net–chess.com, 2004.

6.d3 Re8 7.Nf3=+ Bg4 8.Be2 Nc6 9.b5= Na5 10.0–0 c6 11.Qc2 c5 12.a4 b6 13.d4 Rb8?? 14.de5+/– Bf3?? 15.ef6+– Be2 16.fe7 Qe7 17.Ne2. Wall,Bill – King,Thomas, internet, 2001.

6.Bd3 Be6 7.Rc1 c5 8.b5 Nbd7 9.Ne4 Ne8 10.Ne2 f5 11.N4g3 Nb6 12.0–0=+ Nc7 13.a4 a5 14.Kh1 e4–/+ 15.Bb1 Nc4 16.Bc3 Ne5 17.Nf4=+ Qd7 18.Ne6 Qe6 19.Nh5 b6 20.Nf4 Qf7 21.Rc2 Ng6 22.Ba2 d5 23.Be5?? Ne5–+ 24.d4 ed3 25.Nd3 Nd3 26.Qd3 Rad8 27.Rd1 Kh8 28.Qe2 c4 29.Qf3 g6 30.Qf4 Bf6 31.h4 Ne6 32.Qh2 h5 33.f3 Nc5 34.g4 Ne4 35.Bb1 fg4 36.fg4 Be5 37.Qg2 Nf2 38.Rf2 Qf2 39.Bg6 Qh4 40.Kg1 Qg4 (40...Qg4 41.Qg4 hg4–+; 40...Bh2! 41.Qh2 Qg4 42.Qg2 Qd1 43.Kh2–+) 0–1. Finenko – Krajniuk, USSR, 1990.

6.d4 ed4 7.ed4 Bf5 8.Nf3 Nbd7 9.Bd3= Bg6 10.0–0 Nh5 11.Nd5 Ndf6 12.Ne7 Qe7 13.Re1 Qd7 14.Bg6 fg6 15.Qd2 h6 16.h3 Nh7 17.d5 Nf4 18.Re3+/– Rf7 19.Rf1 Raf8 20.Nd4 Ng5 21.Kh2 c5 22.bc5 dc5= 23.Nf3? Nf3?? 24.Rf3= Qd6 25.Kg1 Qd7 26.Re3 Qf5 27.Rf3?? Qg5–/+ 28.Rf4 Qf4 29.Qf4 Rf4–+ 30.Be5 Rc4 31.d6 Rd8 32.Rd1 Rd7 33.Rd2 b5 34.Kf1 Rc1 35.Ke2 c4 36.Ke3 c3 37.Re2 a5 38.Kd3 b4 39.Kc4 a4?? 40.Kb4=+ c2 41.Ka4?? Ra7 42.Kb3= Rb1 43.Kc2 Ra2 44.Kd3 Rb3 45.Kc4? Re2–+ 46.d7 Rd2 47.Kb3 Rd7 48.Kc3 Kf7 49.Bd4 Ke6 50.Kd3 Kf5 51.Ke3 h5 52.g3 g5 53.f3 g4 54.hg4 hg4 55.f4 g5 56.fg5 Kg5 57.Bc5 Kf5 58.Bf8 Rb7 59.Bd6 Rb3 60.Kd4 Rb1 ½–½. Hoier,Lothar – Dahm,Thomas, SEM Tourn–B Saarlouis, 2004.

6.d4 e4 7.Nge2 d5 8.Ng3 Bb4–/+ 9.Qb3 Bc3 10.Bc3=+ c6 11.Be2 Re8 12.0–0 Nbd7 13.a4 a5 14.c5 Nb8 15.Qc2 Na6 16.Qd2 Nb8 17.Rab1 Nbd7 18.Nf5 Nf8 19.Nd6+= Re7 20.Rb2 b5. Fredek (2065) – Guest1313417, Freundschaftspartie, 5m + 0s, 2006.

6.Be2 Nc6 7.b5 Na5 8.d4 ed4 9.ed4 b6 10.Nf3 Bg4 11.Bd3 Qd7 12.h3 Bh5 13.0–0+= h6 14.Rc1 Nh7 15.Ne4 Qd8 16.Ng3+/– Bg6 17.Qc2 Bd3 18.Qd3 Ng5 19.Ng5 Bg5 20.f4 Bh4 21.Nf5 Bf6 22.Bc3+/– Nb7 23.Rce1 Qd7 24.g4+/– Rfe8 25.Qf3 Nd8?? 26.Qa8 Ne6 27.Qd5 Bh4 28.Nh4 Nf4 29.Rf4 Re1 30.Be1 Qe7 31.Re4 (31.Re4 Qd8 32.Ng6+–) 1–0. Fredek (2065) – Guest287204, Freundschaftspartie, 5m + 0s, 2006.

6.Be2 d5 7.cd5 Bb4 8.Qb3 +=.

6.Be2 e4 7.d3 d5 8.c5 c6 (8...a5 9.de4 de4 10.Qa4+=) 9.de4= de4 10.Qc2 Bf5 11.Bc4 Nbd7 12.Rd1 Qc7 13.Nh3 (13.Nce2!?+=) 13...Ne5–/+ 14.Qb3 (14.Be2 Nd3 15.Bd3 ed3–/+) 14...Bh3 15.gh3 Nf3 16.Ke2 Qe5 (better is 16...Qc8!? 17.Qc2 Qf5–+) 17.Ne4 (17.Nd5 Qh5 18.Ne7 Kh8+=) 17...Qh5 (17...Qe4 18.Bd3 Qh4 19.Kf3 Qh3 20.Ke2=) 18.Ng3 Nd4 19.Ke1 Nb3 (19...Nf3!? 20.Kf1 Qh3 21.Ke2 Ng5=) 20.Nh5+/– Nc5?? (better is 20...Nh5 21.Bb3 Bf6 22.Bf6 Nf6+/–) 21.Nf6+– (21.bc5?! Nh5 22.Rd7 Bc5 23.Rb7 Rae8+=) 21...gf6 (21...Bf6 22.Bf6 (22.bc5?! Bb2 23.Ke2 Ba3=) 22...Na4 23.Rg1+–) 22.bc5 (22.bc5 Rfd8 23.Bd3+–) 1–0. Krivoshapko,Alexander – Bereziy,Petr, Omsk RUS, City Ch, 2012.

6.Nge2 Be6 7.Ng3 Nbd7 8.Be2 c5 9.b5 Nb6 10.d3 Qc7 11.0–0 Rfe8 12.Nce4 Ne4 13.Ne4 a6 14.a4 ab5 15.ab5 Ra1 16.Ba1 d5=+ 17.Nd2 d4 18.Qc2 h6 19.Bb2 Ra8 20.Ra1 Ra1 21.Ba1 Nd7 22.ed4 ed4 23.g3 b6 24.Bf3= Ne5 25.Bb2 Nf3–/+ 26.Nf3 Qb7 27.Ne1 (27.Ne1 Bd6 28.Bc1–/+; 27.Ne5 Bd6 28.f4 Qc7=+). Hasler,Ulrich – Ullmann, corr CiF, 1990.

6.Nge2 Bf5 7.Ng3= Bg6 8.Be2 d5 9.cd5 Nd5 10.a3 f5? (better is 10...a5 11.Bf3 Nb6=) 11.Bc4+– c6 12.Qb3 Bf7 13.Nf5 Bf6 14.b5 (14.0–0 Qd7 15.Qc2 Be6+/–) 14...Qd7 (14...Nc3 15.Bc3 (worse is 15.Qc3 cb5 16.Bf7 Rf7=) 15...Qd7 16.e4 cb5 17.Qb5 Qb5 18.Bb5+/–) 15.Ng3 (15.bc6 bc6 16.Qc2 Be6+/–) 15...Nc3 16.Bc3 (worse is 16.Qc3 e4 17.Bf7 Qf7–/+) 16...cb5 17.Qb5 Nc6 18.0–0 Rad8 19.Ne4 Bc4 20.Qc4 Qd5 21.Nf6 Rf6 (21...gf6!? 22.Qg4 Kh8+/–) 22.Qd5+– Rd5 23.f4 Rf7 (23...h5 24.Rac1+–) 24.fe5 Ne5 25.Be5 Re5 26.Rf7 (26.Rac1 Rf6 27.Rc8 Kf7 28.Rc7 Re7 29.Re7 Ke7+–) 26...Kf7 27.Rb1 (27.Rc1 Rb5 28.Kf1 Rb3+/–) 27...b6? (27...b5+/–) 28.a4?? (better is 28.Kf2+–) 28...Re4+= 29.a5 ba5 30.Rb7 Re7 31.Rb5 a4 32.Ra5 Ke6 33.Ra4 Kd5 34.Kf2 Kc5 35.Ke2 Kb5 36.Ra1 a5 37.d4 a4 38.Kd3 Kb4 39.d5 (39.Rb1 Ka5+=) 39...a3 (39...Ra7 40.e4 Kc5 41.Kc3+=) 40.e4 Ra7 (40...h5!?+=) 41.Kd4+/– Kb3?? Black prepares the advance a2 (better is 41...Kb5 42.Rb1 Ka6+=) 42.e5?? (42.d6 Ra4 43.Kd5+–) 42...a2?? (better is 42...Kb2 43.Ra3 Ka3+–) 43.d6+– Kb2 44.Ra2! Ka2 45.e6 Ra4 46.Kc5 Re4 47.e7 Re6 48.d7 Re7 49.d8Q Re5 50.Kd4 Rh5 51.h4 Rf5 52.g3 Ka1 53.Qa8 Kb2 54.Qb7 Ka1 55.Qg7 1–0. Barbarickiy,Yuri – Sanzhina,Olga, 2009.

6.Nge2 Bg4 7.h3 Bh5 8.Qc2 c5 9.b5 a6 10.Ng3 Bg6 11.d3 ab5=+ 12.Nb5 Qb6 13.a4 Nc6 14.Bc3 Nb4 15.Bb4= cb4 16.Qb3 Rad8 17.Be2 d5= 18.Bf3 e4 19.de4 Ne4 20.Ne4 de4=+ 21.Be2 Qf6 22.0–0 Bc5 23.Rad1 Rd1 24.Rd1 b6 25.Nc7 Bd6 26.Nd5 Qe5 27.g3 h5 28.Nf4 Kh7 29.Rd5 Qa1 30.Rd1 Qe5 31.Rd5 Qe7 32.Bh5+– Bf4 33.gf4 Qh4? 34.Qd1 Qh3? 35.Bg6?? fg6+= 36.Qf1 Qc8 37.Rd4 Rf5 38.Qh3+/– Kg8 39.Re4?? Qc6 40.Re5 Qd7 41.Qf3 Qa4 42.Qd5+/– Kh7 43.Rf5 gf5 44.Qf5 g6 45.Qf7+– Kh6 46.Qf8 Kh5?? 47.Qc5 Kg4 48.Qb6?? b3?? 49.Qg6 Kf3 50.Qh5 Ke4 51.Qd5 1–0. gtate (1900) – eagleonesg (1990), net–chess.com, 2004.

6.g3 d5 7.Qb3 d4 8.Nd5 Nd5 9.cd5 c6 10.Bg2 cd5 11.ed4 e4 12.Ne2 Nc6 13.a3 Bg4 14.Nf4 Bf6 15.Nd5 Bd4 16.Ne3 Ne5 17.Be4? (better is 17.Bd4 Qd4 18.Qc3 Nf3 19.Bf3 Qc3 20.dc3 Bf3 21.Rg1+=) 17...Bf3–+ 18.Bf3 Bb2 (18...Nf3?! 19.Ke2 Nd2 20.Qc2 Bb2 21.Qb2+=) 19.Rd1?? (better is 19.Bb7 Ba1 20.Ba8 Qa8 21.Qd5 Qd5 22.Nd5–+) 19...Nf3 20.Kf1 Nd2 21.Rd2 Qd2 22.Nc4 (22.Kg2 Rfe8–+) 22...Qd5 23.f3 (23.Rg1 Rfc8 24.f3 Rc4–+) 23...b5 (better is 23...Rfe8 24.Rg1 Rac8 25.Rg2–+) 24.Kg2 Ba3 25.Qa3 bc4 26.Rc1 Rfe8 27.Qc3 (27.Qa2–+) 27...Re2 28.Kg1 Rd8 29.Kf1 Rh2 30.Re1 Qh5 31.f4 Qh3 (31...Qh3 32.Kg1 Qg2) 0–1. Fjeldstad,Kay_Ove – Sargsjan,Karen (1865), Prague CZE, Open Jan, 2012.

6.h3 d5 7.cd5 Nd5 8.Nd5 Qd5 9.Bc3 a6 10.Qf3 Be6 11.e4 Qd6 12.Qd3 Qb6 13.Nf3 Nc6 14.b5 Rfd8 15.Qb1 ab5 16.Qb5 Qb5 17.Bb5 Nd4 18.Bd4 ed4 19.a4 d3–+ 20.a5 c6 21.Ba4 Ra5 22.0–0 Rda8 23.Rab1 Ra4 24.Rb7 Bf8 25.Re1 c5 26.Ne5 c4 27.f4 Bd6 28.Rb6 c3 29.dc3?? d2–+ 30.Rd1 Ra1 31.Rbb1 Rb1 32.Rb1 Be5 33.fe5 Rd8 (33...Rd8 34.Rd1 Bb3–+) 0–1. Frenzel,Lothar – Schueppel,Ralf, BdF, 2001.

6.h3 Be6 7.Rc1 (7.Nf3 a5 8.b5 Nbd7=) 7...a5 8.b5 c6 9.Nf3 Nbd7 10.Ng5 d5 11.Qc2 e4 (worse is 11...dc4 12.Ne6 fe6 13.Bc4+/–) 12.Ne6 fe6 13.Be2 Bd6 14.bc6 bc6 15.cd5 ed5 16.Na4 c5 17.0–0 Qe7 18.Rb1 Rab8 19.Bc3 Bc7 20.Rb8 Rb8 21.Rb1 Rb1 22.Qb1 Qd6 Black prepares the advance d4 23.g3 d4 24.Qb3 Kf8 25.ed4 cd4 26.Bb2 Ke8 27.Bb5 Kd8 28.Bd7 Kd7 29.Qf7 Kc6 (better is 29...Kd8!? 30.Qg7 Ke8+–) 30.Qc4+– Kd7 31.Bd4 Qd5 32.Qd5 (32.Qd5 Nd5 33.Bg7+–) 1–0. Janek – Harut, internet, 2016.

6.Qc2 c6

7.Nf3 a5 8.b5 cb5 9.cb5 h6 10.Be2 Be6 11.h4 Nbd7 12.Ng5 d5 13.Ne6 fe6 14.Qg6 Rc8 15.Bg4 Nc5 Black prepares d4 16.Ke2 d4 17.Nd1 de3 18.Ne3 Nfe4 (18...Ng4 19.Ng4 (19.Qg4?? Qd3 20.Ke1 Qb5–+) 19...Qd5 20.Be5 (20.Ne5? Bf6 21.f4 Na4–+) 20...Qe4 21.Qe4 Ne4 22.Rac1+/–) 19.Be6 Ne6 (better is 19...Kh8 20.Nd5 Rf6–+ (20...Rf2 21.Ke3 Bh4 22.Rh4 Qh4 23.Bc3 Nd2 24.Qh6 gh6 25.Be5 Kh7 26.Nf6 Kg6 27.Rh1 Nf1 28.Rf1 Rf1 29.Bf5 Kf5 30.g4 Ke6 31.Ne4 Qe1 32.Kd4 Qe4 33.Kc3 Qd3 34.Kb2 Na4)) 20.Qe6–/+ ½–½. combijack (1810) – walterheinz (1955), gameknot.com, 2009.

7.Nf3 Be6 8.Be2 Nbd7 9.Ng5 d5 10.a3 a5 11.c5 ab4 12.ab4 Ra1 13.Ba1 b6 14.Na4 bc5 15.Nc5 (15.Nc5 Bc5 16.bc5=). "Lasker" – Koenigsjaeger, 2009.

7.Nf3 Bg4 8.Be2 Nbd7 9.0–0 Re8 10.b5 Bf8 (10...cb5 11.cb5 Rc8 12.h3=) 11.d3 (11.h3 Bh5+=) 11...d5 (11...cb5 12.Nb5 a6 13.Nc3=) 12.bc6 bc6 13.cd5 (13.Rab1 Bh5+=) 13...cd5 14.Rfc1 (14.h3 Bf3 15.Bf3 Qa5=) 14...Rb8 15.Rab1 (15.h3 Bh5=) 15...Qa5 16.h3 Be6 (16...Bf3 17.Bf3 Rec8=) 17.Na4 (17.d4 e4 18.Nd2 Rec8=) 17...Bd6 (better is 17...d4!? 18.Bd1 Rec8 19.Qc8 Rc8 20.Rc8 de3–/+) 18.Qc6+= e4 (18...d4 19.Qd6 Qa4 20.Qa3 (worse is 20.ed4 Ba2 21.Bd1 Qb4 22.Qb4 Rb4 23.de5 Bb1–+; worse is 20.Ne5 Ne5 21.Qd4 Qa2 22.Qe5 Rb4–/+) 20...Qa3 21.Ba3 de3 22.fe3=) 19.Bc3 (19.Nd4 ed3 20.Bc3 Bb4+=) 19...Qc7 (19...Bb4 20.de4 Bc3 21.Nc3=) 20.Qc7+= Bc7 21.Nd4 Rb1 22.Rb1 ed3 23.Bd3 Nb6 24.Ba5 Na4 25.Bc7 Rc8 (25...Nc5 26.Be2+/–) 26.Ba6 Rf8 27.Rb7 Ra8 28.Rb8 Rb8 29.Bb8 Nc5 30.Be2 a6 31.f3 Bc8 32.Kf2 Ne6 (32...Nfd7 33.Bd6+/–) 33.Nc6 (33.Nf5 Bb7+–) 33...Bb7+/– 34.Na5 Bc8 35.Bd6 Ne8 36.Bb4 f6 37.Bd3 g6 38.Ke2 Kf7 39.Kd2 N8c7 40.Nb3 Bd7 41.Nc5 The isolani on a6 becomes a target 41...Nc5+= 42.Bc5 Ke6 43.Kc3+/– Bc8 44.Kb4+– Kd7 45.Bd4 f5 46.Kc5 Bb7 47.Be5 Nb5 48.a4 Na3 49.Kb6 Bc6+= 50.a5 Nc4 51.Bc4 dc4 52.Ka6 Bd5 53.Kb6 Bc6 54.a6+– Bd5 55.Kc5 Ba8 56.Kc4 Kc6 57.Bd4 Kd6 58.Bc5 Kd7 59.Kd4 Ke6 60.Bf8 Kf7 61.Bh6 Ke6 62.Kc5 Bd5 63.Bf4 Bb3 64.Kc6 1–0. Cernik,Lukas (2195) – Kucera,Petr (2155), CZE–ChT2B, 2012.

7.Nf3 Bg4 8.Be2 Bh5 9.a3 Nbd7 10.d4 Bg6 11.Bd3 ed4 12.ed4 Re8 13.0–0 d5 (13...Nb6 14.Qd2=) 14.Bg6 fg6 (14...hg6 15.c5=) 15.c5+= Qc7 16.Rae1 Bf8 17.Bc1 Re1 18.Re1 Re8 19.Re8 Ne8 20.g3 Ndf6 21.Qe2 (21.b5 Qe7+/–) 21...Qc8 22.Ne5 Nc7 23.f3 Qe8 24.Kg2 h6 25.Qd3 Kh7 (25...g5 26.Nd1+=) 26.h4+/– Nd7 27.Bf4 Ne6 28.h5 Ne5 29.Be5 Qf7 30.g4 Be7 31.Kg3 Bf6 32.f4 (better is 32.Ne2!?+/–) 32...Be5= 33.hg6 (33.fe5? Qf4 34.Kg2 Qg4 35.Kf1 Nd4 36.hg6 Kg8–+) 33...Qg6 34.Qg6 Kg6 35.de5 Kf7 (35...Nd4 36.Nb1=) 36.f5 (36.Ne2 a5=) 36...Nd4= 37.a4 h5 38.b5 hg4 39.Kg4 Nb3 (better is 39...g6!? 40.f6 Ke6+=) 40.Nd5+= cd5?? (better is 40...cb5 41.e6 Kf8 42.ab5 Nc5+=) 41.c6+– bc6 42.bc6 Ke8 43.f6 gf6 44.ef6 Nd4 (44...Nc5 45.f7! Kf7 46.c7 Na4 47.c8Q+–) 45.f7! Kf7 46.c7 1–0. Dzera,Evgeniy (2160) – Kovalev,Aleksandr (1975), 7th Rating Tournament Konakovo, 2012.

7.Nf3 h6 8.Be2 Be6 9.0–0 Nbd7 10.d4 Qc8 11.h3 Re8 12.e4 ed4 13.Nd4 a5 14.a3 Ne5 15.Na4 Bd8 16.c5 d5 17.f4 Nc4 18.Bc4 dc4 19.Nf3 ab4 20.ab4 Ra6 21.f5 Bd7 22.Rfe1 b5 23.cb6! Ra4 24.Ra4 Bb6 25.Kh1 c5 26.b5 Bb5 27.Ra3 Bd8 28.Nd2 Qb7 29.e5 Nh5 30.Ne4 Bc7 31.e6 fe6+/– 32.f6 Bc6 33.Nc5 Qb4 34.Rf1 Rf8 35.Na6 Rf6 36.Rfa1 Qf8 37.Bf6 Bd6 38.Qc4 Bd5 39.Qf1 gf6 40.Qe2 Ba3 41.Qh5 Qg7 42.Qg4 Qg4 43.hg4 Bd6 44.Ra5 Kf7 45.Nc7 Be4 46.Ra4 Bc2 47.Ra7 Be5 48.Rb7 Bd1 49.Nd5 Ke8 50.Ne3 Be2 51.Kg1 h5 52.Kf2 Bg4 53.Ng4 hg4 54.Ke3 f5 55.Rh7 Kf8 56.Rd7 Ke8 57.Rb7 ½–½. Degterev,Pavel (2175) – Scarani,Antonio (2115), IECG, 2008.

7.Nf3 h6 8.h3 Be6 9.g4 Nh7 10.Bd3 Ng5=+ 11.Nh4 d5 12.c5 e4 13.Be2 Nd7 14.0–0–0? a5–+ 15.a3 ab4 16.ab4 Bf6 17.f4 ef3 18.Nf3 Nf3 19.Bf3 Ne5 20.Be2 d4 21.ed4 Qd4 22.Na2? Nd3 23.Bd3= Qb2 24.Qb2 Bb2 25.Kb2 Ra2 26.Kc3 Ra3–/+ 27.Kc2 Rfa8 28.Rb1 Rd8 29.Be4 Ra2 30.Kc3 Rdd2 31.Ra1 g6 32.b5 cb5–/+ 33.Ra2 Ra2 34.Bb7 b4 35.Kd3 b3 36.Rc1? f5 37.Kc3 fg4 38.hg4–/+ h5 39.Be4 Ra4 40.Bg6 hg4 41.c6 Kg7 42.Bd3 Kf6 43.c7 Ra7 44.Kb2 Ra2 45.Kb1 Rd2?? 46.Rf1?? Ke7–+ 47.Re1 Kd7 48.Bb5 Kc7–/+ 49.Re6 g3 50.Bc6? g2?? (better is 50...b2–+) –+. Dillimann,Hans Peter – Margraf,Achim, Augsburg op 2nd, 1995.

6.Qc2 Be6

7.Nf3 Nbd7 8.Ng5 c6 9.Bd3 d5 10.Bh7 Kh8 11.Bg6 Bb4 12.0–0 1–0. pcmvr (2225) – angelini (2315), net–chess.com, 2006.

7.Nf3 h6 8.d4= Nbd7 9.h3 ed4 10.ed4 d5 11.c5 Re8 12.Bd3 Nf8 13.0–0+= c6 14.Bc1 b6 15.Bf4 b5 16.a4+/– a6 17.Ra3 a5 18.ab5 ab4 19.Ra8 Qa8 20.Na4 Qb7 21.b6+/– Ra8 22.Qb3 Ne4+/– 23.Qb4 Ng6 24.Bh2 Bf5 25.Nc3 Ng3 26.Bf5 Nf5 27.Re1 Bf6 28.Rc1 Nfe7 29.Qb2 Nf8 30.Ra1 Ra1 31.Qa1 Nc8 32.Qa4 Ne6 33.Na2 Nb6 34.cb6 Qb6 35.Be5 Be5 36.de5 Nc5 37.Qd4 Qb1 38.Kh2 Ne4 39.Nc3 Qc1? 40.Ne4 Qf4 41.Ng3 h5 42.Qf4 (42.Qf4 c5 43.Ng5 f6 44.ef6 gf6 45.Qb8 Kg7 46.Qb7 Kg6 47.Ne6 c4 48.Qg7#) 1–0. Verstraeten,Roland – Viera,I, WchTJ U26 prel, 1965.

6.Be2 c6

7.Qb3 Be6 8.Nf3 Nbd7 9.d4 ed4 10.Nd4 d5 11.c5 Re8 12.h3 Nf8 13.0–0 Qd7 14.f4 Bh3 15.gh3+/– Qh3 16.Rf3 Qg4 17.Kf2 Qh4 18.Kg2 Qg4 19.Rg3+– Qd7 20.Qc2 Ne4?? 21.Ne4+– de4 22.Nc6! Ng6 23.Ne7 Re7 24.Rh1 Rd8 25.Qc3 f6 26.Bc4 Kh8 27.Rg6 Qd2 28.Kg3 (28.Kg3 Qc3 29.Bc3+–) 1–0. Vasut,Karel (2135) – Binder,Jaroslav (1985), CZE–chT2d, 2005.

7.d3 d5 8.a3 +=.

7.d3 Be6 8.Nf3= h6 9.a3 Nbd7 10.0–0 Qc7 11.Re1 Rad8 12.Qc2 Bf5 13.e4 Bg4 14.h3 Bh5 15.Rac1 Rfe8 16.b5 c5 17.a4 Nf8 18.g4 Bg6 19.Ra1 Ne6 20.Bc1 Qd7 21.Bf1 Kh7 (21...h5!?+=) 22.Ne2 Rg8 23.Nh4 Ne8 24.Ng6 fg6 25.Be3 Rf8 26.Qd2 Bg5 27.Bg2 Bf4 28.Bf4 (28.Nf4? ef4 (28...Nf4?! 29.Reb1=) 29.Rf1 fe3 30.fe3 Nf6–+) 28...Nf4 29.Nf4 Rf4 30.Rf1 Qf7 31.f3 Nf6 32.Qe2 Nd7 33.Rfb1 Nf8 34.a5 Ne6–/+ 35.Rf1 Nd4 36.Qd1 Rf8 37.Ra2? Nf3 38.Bf3+= Rf3 39.Qf3 Qf3 40.Rf3 Rf3 41.Rf2 Rf4 42.Kg2 Kg8 43.Kg3 g5 44.Kg2 Kf7 45.Rb2 Ke7 46.a6 b6 47.Rb1 Kd7 48.Rd1 d5 49.Rd2 dc4+= 50.dc4 Ke7 51.Re2 h5 52.Kg3 hg4 53.hg4 Rf1 54.Rc2 Rf8 55.Rd2 Rf4 56.Re2 Rf1 57.Rc2 Rd1 58.Rc3 Rd2 59.Kf3 Rh2 60.Kg3 Rh1 61.Kg2 Rh6 62.Rd3 Rf6 63.Kg3 Rf4 64.Re3 Rf1 65.Rc3 Rd1 66.Kf3 Rd4 67.Ke3 Rd8 68.Kf3 Ke6 69.Kg3 Rd2 70.Kf3 Ke7 71.Kg3 Rd1 72.Kg2 Ke6 73.Kf3 Re1 74.Rc2 Rf1 75.Kg3 Ke7 76.Rc3 Rf8 77.Rd3 Ke6 78.Rd1 Rf4 79.Re1 Ke7 80.Re2 Rf1 81.Rc2 Ke6 82.Rc3 Rh1 83.Kg2 Rd1 84.Kf3 Ke7 85.Kg3 Rf1 86.Kh3?? Rg1 87.Rc2 Re1 88.Kg3 Re3 89.Kf2 Re4 90.Kf3 Rf4 91.Kg3 e4 92.Rc3 Ke6 93.Re3 Ke5 94.Re1 Rf3 95.Kg2 Rc3 96.Rf1 Rc2 97.Kg1 Rc4 98.Rf7 Rb4 99.Ra7 Rb5 100.Ra8 Ra5 101.a7 Kf4 102.Rf8 Kg3 103.a8Q= Ra8 104.Ra8 Kf3 105.Kf1 Ke3 106.Rb8+– c4 107.Ke1 c3 108.Rb6 Kf3 109.Rc6 Kg4 110.Ke2 Kf4 111.Rc3 g4 112.Kf2 g6 113.Ra3 Ke5 114.Kg3 Kd4 115.Kg4 g5 116.Kg3 e3 117.Kf3 g4 118.Ke2 Ke4 119.Re3 Kf4 1–0. Holz auf der Heide,Gerhard (1635) – Apitzsch,Michael (2060), Leipzig VfB op, 2005.

6.Be2 Be6

7.d3 Nbd7 8.Nf3 h6 9.a3 Nh7 10.d4 f5 11.de5 de5 12.Nd5 e4 (12...Bf6 13.0–0+=) 13.Ne7 (better is 13.Nd4!? Bd5 14.cd5+/–) 13...Qe7+= 14.Nd4 c6 15.Ne6 Qe6 16.Qd4 Nhf6 17.c5 Qe7 18.0–0 Rad8 19.Qc3 Nd5 20.Qb3 Kh7 21.Rad1 N7f6 22.Qc2 a6 23.Rd2 Kh8 24.Rfd1 Kh7 25.h3 Kh8 26.Bc4 Kh7 27.Bf6 Nf6 28.Rd6 Rd6 29.Rd6 Qe5 30.Rd4 h5 31.Qd1 Kh6 32.g3 h4 33.Kg2 hg3 34.fg3 Nh5 35.Qe1 Nf6 36.Qf2 Nd5 37.Bd5 cd5 38.Qf4 Qf4 39.gf4 Rd8 40.h4 Kg6 41.a4 Kf6 42.a5 Rd7 ½–½. Holz auf der Heide,Gerhard – Lantsman,Boris (1690), GER–ch Seniors–B, 2008.

7.Nf3 Nbd7 8.0–0 d5 9.cd5 Nd5 10.d4 ed4 11.Nd5 Bd5 12.Qd4 Bf6? 13.Qd5+– Bb2 14.Rad1 Nf6? 15.Qb3 Qd1 16.Rd1 Rad8 17.Qb2 1–0. Fritz 11 – amateur, 2011.

7.Nf3 Nbd7 8.Qc2 a6 9.Ng5 h6 10.Ne6 fe6 11.0–0 c6 12.a3 Rb8 13.d4 ed4 14.ed4 b5 15.Rfe1 c5 16.dc5+– dc5 17.cb5 cb4 18.ab4 ab5 19.Qb3 Kh8 20.Rad1 Qb6 21.Bf3 e5 22.Re3 Nh7?? 23.Rd7+– Bf6 24.Ne4 Ng5 25.Ng5 Bg5 26.Be5 Rg8 27.Rg7! Rg7 28.Qf7 Rbg8 29.Bg7 Rg7 30.Re8 (30.Re8 Kh7 31.Be4 Qg6 32.Bg6#) 1–0. AGove – savage13, ChessWorld.net, 2007.

7.Nf3 h6 8.0–0 Nbd7 9.a4 c5 10.b5 e4=+ 11.Ne1 d5 12.cd5+= Bd5 13.Nd5 Nd5 14.f3 N7f6 15.Rc1 Rc8 16.fe4 Ne4 17.Bf3 Ng5 18.Bg4 Rc7 19.Nf3 Bf6 20.Ba3 b6 21.Ng5 Bg5 22.Qf3 Nf6 23.Rf2 Ng4 24.Qg4 Qd7 25.Qc4 Bf6 26.Rcf1 Rd8 27.Bc1 Qd5 28.Qg4 Qg5 29.Qe2 Rd6 30.Rf5= Qg6 31.Qf3 Bg5 32.Qg3 Rcd7 33.h4 Bf6 34.Qh3 Rd5 35.h5+= Qh7 36.Qg4 Rf5 37.Rf5 (37.Rf5 Be7 38.Rf7 Kf7 39.Qd7=). Lein,Marina (2050) – Abolina,Arija Solvei, 13th WSen Women, Bad Zwischenahn GER (5), 2003.

6.Be2 Re8

7.Qc2 Nc6 8.a3 a6 9.Nf3 h6 10.0–0 Be6 11.Rfd1 Qd7 12.d4 ed4 13.Nd4 Nd4 14.Rd4 Rac8 15.Rd2 Bg4 16.f3 Be6 17.Rad1 Red8 18.Nd5 Nd5 19.cd5 Bf5 20.e4 Bh7 21.Rd3 Re8 22.Bd4 Bg5 23.Rc3 f5 24.Bd3 fe4 25.fe4 Rf8 26.a4 Bf6 27.Bf6 Rf6 28.b5 ab5 29.ab5 Qd8 30.Be2 Rf4 31.Bf3 b6 ½–½. Blankenberg,Bruno – Beutel,Heinrich, 2. b4 Thementurnier, 2000.

7.Nf3 c6 8.Qc2 Nbd7 9.0–0 Nf8 10.d4+= ed4 11.ed4 d5= 12.c5 a5 13.a3 Ne6= 14.Rfe1 b5 15.cb6 Qb6 16.b5 cb5 17.Bb5+= Ba6 18.Be8+/– Re8 19.Na4 Qb8 20.Nc5+– Nc5 21.dc5 Bc5?? 22.Re8 Ne8 23.Re1 Bf8 24.Ng5 g6 25.Qc3 Bg7 26.Re8! Qe8 27.Qg7# 1–0. Greeley (1965) – thedead, queenalice.com, 2009.

7.Nf3 Be6 8.0–0= h6 9.d4 ed4 10.Nd4+= Bd7 11.b5 Qc8 12.Nd5 Nd5 13.cd5 Bg4?? 14.Bg4+– (14.Bg4 Qd8 15.Qf3+–) 1–0. Fritz 11 – amateur, 2011.

6.Be2 Bf5

7.d3 Nbd7 8.Nf3= h6 9.Nd5 Nd5 10.cd5 Nf6 11.Qb3 c6=+ 12.e4 Bg4 13.a4 cd5 14.ed5 Nh5 15.g3 Nf6–/+ 16.0–0 Bh3 17.Rfc1 Qd7 18.Nd2 Ng4 19.Nf1 Bg5=+ 20.Rc4 Rfc8 21.Bc1 Rc4 22.dc4= Qf5 23.Qf3 Qc2 24.Bg5 hg5 25.Qd3 Qb2 26.Rb1 Qa2 27.a5 Nf6 28.Qb3?? Qe2–+ (28...Qe2 29.Ne3 Ne4–+) 0–1. Michael – Strompen, Duisburg, 1977.

7.Nf3= h6 (7...e4 8.Nd4 Bg6 9.0–0=) 8.Qb3 1–0. Krivoshapko,Alexander – Arkhipov,Valentin, Final Omsk, 2008.

6.Nf3

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Nc3).

6.Nf3 c6 7.Be2 Nbd7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 Nbd7 7.Nc3 c6).

6.Nf3 Nbd7 7.Be2 b6 8.0–0 Bb7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 b6 7.0–0 Bb7 8.Nc3 Nbd7).

6.Nf3 Bg4 7.Be2 (--> 5.Nf3 Bg4 6.Be2 0–0 7.Nc3).

5.Nc3 c6

6.a3 0–0 =+.

6.a4 0–0 7.Nf3 Bg4 8.Be2 Nbd7 9.h3 Bh5 10.d4 e4=+ 11.Nd2 Be2 12.Qe2 d5 13.c5 Ne8 14.b5 f5 15.a5 Nef6 16.a6 Bc5?? 17.ab7+– Qb6?? 18.ba8Q Ra8 19.0–0 Bd6 20.Ra6 Qb8 21.Rc6 a5 22.Ra1 Bb4 23.Nb3 Nb6 24.Na4 Nc4 25.Rc4 dc4 26.Qc4 Kh8 27.Rc1 Qd8 28.Qc7 Qc7 29.Rc7 Nd5 30.Rd7 Ne7 31.Nbc5 Ng6 32.d5 Rg8 33.Ne6 Ne7 34.d6 (34.d6 Bd6 35.Rd6+–) 1–0. Zylla,Johannes – Moellers, BS–MK Kreisliga, 1991.

6.a4 Nbd7 7.Qb3 0–0 8.0–0–0 a5 9.Ba3 ab4 10.Bb4 Nc5 11.Bc5 dc5 12.f3 Qd3?? 13.Bd3+– (13…Rd8 14.Qb1+–) 1–0. Petersen – Ciro Sanchez, corr 3GMM–07, 1996.

6.Bd3 0–0 7.Nge2 Re8 8.0–0= d5 9.c5 e4 10.Bc2 Bg4 11.h3= Bh5 12.g4 Bg6=+ 13.Nf4 Nbd7?? 14.Nce2?? Nf8 15.Ng3 b6 16.h4? h6 17.h5 Bh7–/+ 18.Bd4 bc5 19.bc5 N8d7 20.Ba4 Qc8 21.Rc1 Nf8 22.Kg2 Ng4 23.Bc6 Nf2?? 24.Rf2?? Qc6–/+ 25.Qb3 Red8 26.Nge2 Bf5 27.Kh2 Nh7 28.Ng3 Ng5?? 29.Nf5+– Nf3?? 30.Rf3! Bf8 31.Rg3 f6 32.Nh6 Kh7 33.Nf7 Rd7 34.Ng5 fg5 35.Rg5 Rad8 36.Rg6 Qc7 37.Kh1 Qc8 38.Ne6 Rf7 39.Ng5 Kg8 40.Nf7 Kf7 41.Rf1 Kg8 42.Kh2 Qc7 43.Kg2 Qe7 44.Bf6 (44.Bf6 Qc7 45.Bd8 Qd8 46.Qb7+–) 1–0. Fabus,Marian – Simoncic,Ladislav, SVK–chB op Kaskady, 2002.

6.d4 Qc7 7.de5 de5 8.Qb3 0–0 9.0–0–0 Be6 10.Nf3 h6 11.Ne5 b5 12.c5?? Bb3 0–1. machete99 – Player (2560), ICC: Blitz, 2002.

6.Nf3 e4 7.Nd4 0–0 8.a3 Na6 9.Qc2 c5 10.bc5 dc5 11.Nde2 Re8 12.Ng3 Nc7 13.Nce4 Ne4 14.Ne4 Bf5 15.Bd3 Bg6 16.h4 h5 17.g4 hg4 18.0–0–0 (18.h5!? Be4 19.Be4+/–) 18...Be4+= 19.Be4 Bf6 20.h5 (20.Bb7 Rb8–+) 20...Bb2 21.Kb2 Qf6 22.Ka2 Rad8 23.Rhg1 Qf2 24.Rg2 Qh4 25.Rdg1 Qh5 26.Rg4 Ne6 27.Qc3 Kf8 28.d3 (28.Bb7!? Ke7 29.Qa5=) 28...Rd7+= 29.R4g2 Red8 30.Rf2 Qh3 31.Qd2 Ke8 (31...Qh4 32.Qe2+=) 32.Qe2 Qh4 33.Rgf1 Re7 34.Rh1 Qg3 35.Qb2 Red7 36.Rf3 Qc7 37.Qc3 f6 38.Rh8 Ke7 39.Rh5 Rg8 40.Rf1 Qg3 41.Qd2 Ng5 42.Bd5 Re8 43.Rfh1 Kd6 44.e4 b6 45.Qe2 Rde7 46.R1h2 Qe5 47.Qc2 Qd4 48.R5h4 Rc8 49.Rh1 Nf7 50.Qa4 (50.Bf7!? Rf7 51.Rh5–/+) 50...Ne5 51.R4h2 Rf8 (51...Qd3 52.Rd1 Qc3 53.Bf7 Qd4 54.Rd4 cd4 55.Qb4 Rc5 56.Bd5+/–; 51...Nd3 52.Rd1 f5 53.ef5+/–) 52.Rg2 Rb8 (worse is 52...Qd3 53.Rd1 Qf3 54.Bg8 Kc7 55.Qa7 Kc8 56.Qe7 Qg2 57.Ka1 Rg8 58.Qe6 Kc7 59.Qg8=) 53.Rb2 (53.Rh7 Qd3 54.Rgg7 Qe2 55.Kb1 b5 56.Qa6 Rb6 57.Qb6 ab6 58.Re7 Qd3 59.Ka2 Qc2 60.Ka1 Qc3 61.Ka2 Qd2 62.Ka1 Qe1 63.Ka2 Qf2 64.Kb1 Qf1 65.Ka2 Qg2 66.Kb1 Qg1 67.Kc2 Qg2 68.Kb1 Qf1 69.Ka2 Qe2 70.Kb1 Qd1 71.Ka2 Qd2 72.Ka1 Qd4 73.Kb1 Qd3 74.Ka2 Qd2=) 53...Rc7 (53...Qd3?! 54.Rd1 Qf3 55.Ba8 Ke6 56.Bd5 Kd6 57.Ba8 Ke6 58.Bd5 Kd6=) 54.Rbb1 Qd3 55.Rh2 Rd8 56.Rd1 Qg3 57.Qc2 Rcd7 58.Rg2 Qf3 (58...Qh3 59.Rh2 Qe3 60.Re2–+) 59.Rf2 (59.Rdg1 g5–/+) 59...Qg4 60.Rg2 ½–½. Boehnke,Hartmut (2160) – Jaeger,Frans M (2190), WS/M/008 ICCF, 2005.

6.Nf3 Bf5 7.d4 Nbd7 8.Be2 Bg4 9.de5 Ne5 10.Ne5 Be2 11.Ne2 de5 12.Qb3 Qc7 13.Ng3 h6 14.0–0= 0–0 15.Nf5 Qd7 16.Ne7 Qe7 17.Qc3 Nd7 18.f4 f6 19.a4 Rae8 20.Rfe1 Rf7 21.a5 ef4 22.ef4+= Qd8 23.Rad1 Re1 24.Qe1 Re7 25.Qd2 Qe8 26.Bc1 Nf8 27.Kf2 Qh5 28.h3 Rd7 29.Qe2 Qe2 30.Ke2+= Rd1 31.Kd1 a6 32.Kc2 Kf7 33.f5 Nd7 34.Bf4 h5 35.g4 g6 36.Kd3 hg4 37.hg4 gf5 38.gf5 Ke7 39.Kd4 Kf7 40.Ke4 Kg7 41.Kf3 b6 42.Bd6 ba5+= 43.ba5 Kh6 44.Kg4 Kg7 45.Kf3 Kh6 46.Kg4 c5 47.Bf4 Kg7 48.Kf3 Ne5 49.Be5 fe5 50.Ke3 Kf7 ½–½. Stengel – Scherf, Stassfurt, 1994.

6.d4 ed4

7.ed4 d5=+ 8.c5 0–0 9.Bd3 Re8 10.Nge2 Bf8 11.0–0 g6 12.Qc2 Na6 13.a3 Nc7 14.a4 Bg7 15.b5 Ne6 16.Na2 Qc7 17.Nb4 Ng4 18.g3 Ng5 19.Kg2 Nh3 20.Bc1= Nhf2 21.Rf2 Nf2 22.Kf2 Re2! 23.Ke2 Bd4 24.Ra3? Qe5–+ 25.Kd2 Qe3 26.Kd1 Qg1 27.Kd2 Qf2 28.Kd1 Bg4 29.Be2 Qf1 (29...Qf1 30.Kd2 Qe2#) 0–1. Haralambof,Vladimir – Jelveh,M, Tel Aviv ol (Men) prel, 1964.

7.Qd4 0–0 8.Rd1 Bg4 9.Be2 Be2 10.Nge2 Nbd7 11.Ng3 Ne5 12.c5+/– dc5?? 13.Qe5+– Qe8 14.Nf5 cb4 15.Ne4 b3 16.Nf6 Bf6 17.Nh6! Kh8 18.Qf6!! Rg8 19.Nf7+– Qf7 20.Qf7 Raf8 21.Bg7! Rg7 22.Qf8 Rg8 23.Qf6 Rg7 24.Rd8# 1–0. Bendig,Frank (2365) – Tortoza,Carlos, CiF, 2005.

7.Qd4 Na6 8.a3 c5 9.bc5 Nc5 =.

6.Be2 0–0

7.Qc2 Qd7 8.Nf3= Re8 9.b5 Qe6 10.a4 cb5 11.ab5+= Nbd7?? 12.d4 Nb6 13.d5 Qf5= 14.Bd3 Qg4 15.Be2 Qf5 16.e4 Qd7 17.h3 Qc7 18.Nd1 Bd7 19.Ne3 Rec8 20.Qd3 Qd8 21.g4 h6 22.Rg1 Nh7 23.h4 Bh4=+ 24.Nh4 Qh4 25.Qa3 Nf6 26.Qd3 Qh2–/+ 27.Rg2 Qf4 28.f3 Qg5 29.Kf2 Qh4 30.Kg1 Ne8 31.Qd2 Qg5 32.Kf2 Nc4?? 33.Bc4+– Rc4 34.Nc4 Qd2 35.Nd2 Bb5 36.g5 hg5 37.Rg5 a6 38.Rh1 f6 39.Rgh5 Rc8 40.Rh8 Kf7 41.Rc1 Bd7? 42.Rc8 Bc8 43.Ba3 Ke7 44.Nc4 b5 45.Nd6! Nd6 46.Rc8 (46.Rc8 Kd7 47.Ra8+–) 1–0. Gross – Becker, tt Eschbach–NW, 1982.

7.Nf3 Bg4 8.0–0= Nbd7 9.d4 e4 10.Nd2 Be2 11.Qe2 d5 12.b5 Re8 13.a4 a6 14.Rfb1 ab5 15.ab5 Qc7 16.h3 h6 17.Qf1 Reb8 18.Rc1 Qd8 19.Qd1 Ra1 20.Ra1 Ra8 21.Ra8 Qa8 22.Qb3 dc4 23.Qc4 cb5 24.Qb5 Qa6 25.Qb3 Qb6 26.Qc2 Bb4 27.Nce4 Bd2 28.Nd2 Qc6 29.Qc6 bc6 30.Nb3 Nb8 31.f3 Nfd7 32.Ba3 f6 33.Kf2 Kf7 34.Ke2 Ke6 35.e4 g6 36.Ke3 f5 37.Bc5 fe4 38.fe4 Na6 39.Ba3 Nb6 40.Na5 Nb8 41.Bc5 N6d7 42.Ba7 Kd6 43.Bb8 Nb8 44.Nb7 Ke6 45.Nc5 Kd6 46.Kf4 Ke7 47.Ke5 h5 48.g4 Kf7 49.Kd6 Kf6 50.gh5 gh5 51.Kc7 (51.Kc7 Kg5 52.Kb8+–; better is 51.Nd7 Kf7 52.Nb8 Ke8+–) 1–0. Krull,Guenter – Nehmdahl,Heiko, Schleswig Holstein–chB, 1989.

6.Nf3 0–0

7.a4 Re8 8.d4 Qb6 9.b5= Qa5 10.Qc2 ed4 11.Nd4 d5 12.Nb3 Qc7= 13.cd5 cd5 14.Bd3 Nbd7 15.0–0 Ng4 16.Bh7+/– Kh8 17.g3 Nde5? 18.Nd5+– Qd6 19.Be4 Qh6 20.f4 Nc4 21.Bd4 Bf6 22.Nf6 gf6 23.Ra2?? Nce3= 24.Be3 Ne3 25.Qd3 Nf1 26.Kf1 Bh3 27.Kg1 Rad8 28.Qf3 f5–/+ 29.Qc3 Kg8 30.Bb7?? Rd1 (30...Rd1 31.Qe1 Rde1 32.Kf2 Rf1#) 0–1. Dumontelle,J – Deline,R, North Bay, 1983.

7.Be2 h6 8.0–0= d5 9.Ne5+= Bd6 10.f4 Re8 11.b5 Be5 12.fe5+– Re5? 13.Nd5 Rg5 14.Nf6 gf6 15.Bf6 Rg6 16.Bd8 1–0. marre – qhnf, internet, 2010.

5.Nc3 Bf5

6.d4 ed4 7.Qd4 Nc6 –/+.

6.d4 e4 7.Nge2+= c6 (7...0–0 8.Ng3 Bg6 9.h4+=) 8.Ng3 Bg6 9.a4 (9.h4 h6+=) 9...d5 (9...Na6 10.Qb3=) 10.Qb3 (10.h4 h5 (10...Bb4? 11.h5+–) 11.b5 Nbd7=) 10...0–0 11.b5 a5 (11...a6 12.Be2=) 12.cd5 cd5 13.Nge2 (13.Be2 Bb4+=) 13...Bd6 14.Ba3 (14.Nd5?? Nd5 15.Nc3 Nb4–+) 14...Bf5 15.Bd6 (15.Nf4 Ba3 16.Qa3 Be6+=) 15...Qd6= 16.Nf4 The pressure on d5 grows 16...Be6 17.Be2 Nbd7 18.0–0 Nb6 19.f3 (19.Rfc1 Rfc8=) 19...ef3+= 20.Bf3 Increasing the pressure on the isolated pawn on d5 20...Nc4 21.Rfe1 Rad8 (21...Rfc8 22.Rac1 Nd2 23.Qc2 Nf3 24.gf3+=) 22.Rac1 (22.Ncd5 Nd5 23.Ne6 fe6 24.Qc4+/–) 22...g5?? (better is 22...Nd2 23.Qc2 Nf3 24.gf3 Rc8+=) 23.Nfd5!+/– Ne3?? (23...Bd5 24.Nd5 Decoy; 23...Nd5 24.Qc4 Remove defender) 24.Nf6+– (24.Re3?! Nd5 25.Nd5 Bd5 26.Bd5 Qd5 27.Qd5 Rd5=) 24...Kg7 (24...Kh8 25.d5 Qb6 26.Kh1+– (26.de6?? Ng4 27.Re3 Qe3 28.Kh1 Nf2 29.Kg1 Nd1 30.Kh1 Qe1)) 25.d5 Qb6 26.Kh1 (26.de6?? Ng4 27.Kh1 Nf2 28.Kg1 Nh3 29.Kh1 Qg1 30.Rg1 Nf2) 26...Kf6 (26...g4 27.Nce4 gf3 28.Re3 Rd5 29.Rf3 Qd4 30.Rg3 Kh8 31.Nd5 Bd5+–) 27.de6 g4 (27...Nf5 28.Qb2 Kg6 29.e7 Ne7 30.Re7+–) 28.Re3! Qe3 29.Ne4 Qe4 30.Be4 (30.Be4 fe6 31.Qe3+–) 1–0. Feofanov,Alexander – Sekachev,Andrey, SF OCCC, 2007.

6.Nf3 c6 7.Be2= Na6 8.a3 0–0 9.0–0 Nc7 10.d4 e4 11.Nd2 d5 12.c5 h6 13.a4 Bh7 14.b5 Nd7 15.Qb3 f5 16.a5 f4 17.Nce4 Kh8 18.Nc3 fe3 19.fe3 Bg5 20.Nd1 Qe7 21.Nf3 Rae8 22.b6 ab6 23.cb6+– Be3 24.Ne3 Qe3 25.Qe3 Re3 26.Rf2 Ne6+= 27.Bc1 Rc3 28.Bd2 Rc2 29.Bd1 Rb2 30.Bc3 Rf2 31.Kf2 Nf6 32.Kg1 Ng4 33.Bd2 Be4 34.Ne5 Ne5+= 35.de5 Nf4?? 36.Bf4?? Rf4 37.a6 Bd3 38.Be2! (38.Be2 Ba6 39.Ba6+–) 1–0. algernon (2265) – lsanchez (2240), net–chess.com, 2010.

6.Nf3 Nbd7 7.Be2= c6 8.0–0 Qc7 9.Nh4 Bg6 10.d4 ed4 11.ed4 0–0 12.Re1 Be4 13.Ne4+– Ne4 14.Nf5 Ndf6 15.f3 Ng5 16.d5 cd5 17.cd5 Qb6 18.Bd4 Qc7 19.Bb5 a6 20.Re7 Qd8 21.Qd2 ab5 22.Qg5 g6 23.Nh6 Kh8 24.Bf6# (24.Qf6#) 1–0. wiking – vevegij, internet, 2010.

6.Nf3 h6 7.Be2= Nbd7 8.0–0 0–0 9.d3 c6 10.Nd2 (10.e4 Be6=) 10...Bh7 (10...a5 11.a3+=) 11.f4 (better is 11.Qb3!?=) 11...Qb6–/+ 12.fe5 (12.Rf3 Qb4 13.Rb1 Qa5–/+) 12...Ne5 (12...Qe3 13.Rf2 Ne5 14.Nf1–/+) 13.d4–/+ Ned7?? (better is 13...Nd3 14.Qb3 Nb2 (worse is 14...Nb4 15.Na4 Qa5 16.Bc3+=) 15.Qb2 c5–/+) 14.a3 Qc7 15.e4 White intends d5 15...Rae8 16.Bf3 b6 17.Rc1 Bd8 Will e4 fall? 18.d5 (18.Qa4!?+=) 18...Ne5= 19.Nb3 (better is 19.Be2!?=) 19...Nc4–/+ 20.Qe2 (20.dc6 Nb2 21.Qe2 Qc6 22.Qb2 Qd7–/+) 20...Nb2 (20...b5!? 21.dc6 Qb6 22.Rf2–+) 21.Qb2 c5 22.bc5 (22.Qe2 Qc8–/+) 22...bc5–+ 23.Nd2 (23.Qe2 Nd7 24.Nd2 Ne5–+) 23...Nd7 24.Nc4 Bf6 25.Qe2 (better is 25.Nb5 Qb8 26.Qb1–+) 25...Nb6?? (better is 25...Rb8–+) 26.Nb5+= Qb8 27.Na5?? (better is 27.Ncd6 Re7 28.Bh5+= (worse is 28.Rc5 a6–+)) 27...Nd5!–+ 28.Nc6 (28.ed5 Re2 Pinning (28...Re2 Deflection; 28...Bd4 Decoy)) 28...Qb7 (28...Qb6 29.Nca7 Be5 30.ed5 Bd4 31.Kh1 Re2 32.Be2–+) 29.Nba7 Nf4 (29...Qb3 30.Nb5 Nf4 31.Qc4 Qe3 32.Kh1 Be4 33.Be4 Re4 34.Qc2–+) 30.Qc4 Bg5 31.Rb1 Qd7 32.Rb3 Qe6 33.Rc3? Be4 34.Qe6 Re6 35.Bg4 Bg2 36.Rf4 Bf4 37.Be6?? Bc6 38.Nc6 fe6 39.Rd3 Rf7 40.Kg2 Rc7 41.Na5 c4 42.Rd4 Be5 43.Rc4 Ra7 44.Nc6 d5?? 45.Rc2 Bf6?? 46.Na7+– d4 47.Kf3 Be5 48.Nc6 Bf6 49.Kf4 Kf7 1–0. Zielke,Bernd (1695) – Howe,Dietrich (1740), Kiel GER, Open–B, 2014.

6.Nf3 0–0

7.d4 ed4 8.Nd4 Bg6 (8...Bc8 9.Be2 c5 10.Nc2 Be6=) 9.Qf3 (9.Bd3 c5 10.Nc2 Bd3=) 9...Qc8 (9...d5 10.Nf5 Bb4–/+) 10.Nd5 Nd5 11.cd5 Bf6 12.Qd1 (12.Rc1 Nd7=) 12...Nd7 13.Bd3 Ne5 (better is 13...Nb6!?+=) 14.Bg6+= Ng6 15.Qc2 Qd7 16.0–0 c6 17.dc6 bc6 18.Rfd1 Bd4 19.Rd4 (worse is 19.ed4 Nf4=) 19...d5 20.Rad1 Qe6 21.Qc3 f6 22.a4 a6 23.f3 Rad8 24.e4 Ne5 25.ed5 (25.Qc5!?+=) 25...cd5= 26.Qe1 Qc6 27.f4 (27.Bc1!?+=) 27...Nc4–/+ 28.Bc3 Rfe8 29.Qf2 Ne3 30.R1d3 (better is 30.Rc1 Qa4 31.Rd3–/+) 30...Nc4?? (better is 30...Nf5–+) 31.Rd5?? (better is 31.Qf3 Qb6 32.a5+=) 31...Qa4 32.Qd4 Na3?? 33.Rd7 Qc6?? 34.Rg3 g6 35.Rd6 Qe4 36.Qf6 Qb1+/– 37.Kf2 Qc2 38.Rd2?? Qd2 39.Bd2+– Rf8?? 40.Qe6 Kg7 41.Bc3 (41.Bc3 Rd4 42.Bd4 Rf6 43.Qf6 Kh6 44.Rh3#) 1–0. Lenda,Lukasz (1855) – Kreft,Wojciech, Mistrzostwa Malopolski Gr–B Poland, 2011.

7.Be2 Nbd7 8.0–0 a5 9.b5 c6 10.d3 Re8 11.e4 Bg4 12.h3 Bh5 13.Nh4 Be2 14.Qe2 Ne4 15.Ne4 Bh4 16.Nd6 Re7 17.Nf5 Re6= 18.bc6 bc6 19.Ba3 Bf6 20.Rab1 Rb8 21.Qc2 g6 22.Nh6 Kg7 23.Ng4 Be7 24.Rb8 Nb8 25.Be7 Re7 26.Rb1 h5 27.Ne3 Na6=+ 28.a3 Nc5 29.Qc3 Qd3 30.Qd3 Nd3 31.Rb6 Rc7 32.Ra6 Rb7 33.Ra5 Rb1 34.Kh2 f6 35.Kg3? f5–+ 36.Kh4 Kh6 37.Nf5 gf5 38.Ra6 Nf4 39.Rc6 Ng6 40.Kg3 Rb3 41.Kh2 Ra3 42.c5 h4 43.Rc7 f4 44.f3 Rc3 45.c6?! Kg5 46.Kg1 Rc2 47.Kh2 Rc1 48.Rc8 Ne7 49.Rc7 Nc6 50.Rc8 Rc2 51.Rg8 Kf5 52.Rg4 Nd4 53.Kh1 Ne2 54.Rh4 Ng3 (54...Ng3 55.Kh2 Rc1 56.Rh5 Kg6 57.Rg5 Kg5 58.h4 Kf5 59.h5 Rh1#) 0–1. Holz auf der Heide,Gerhard (1965) – Golyand,Josif (1655), Leipzig VfB op, 2007.

7.Be2 Nbd7 8.0–0 c6 9.a3 a5 10.d4 Qc7 11.b5 Nb6 12.bc6 (12.h3 Rfd8=) 12...bc6 13.de5 (13.c5!? dc5 14.Ne5=) 13...de5+= 14.Ne5 Qe5 15.Nd5 Qe6 16.Nb6 Rad8 (16...Rab8 17.c5 Bc5 18.Nc4+=) 17.Qe1 Rb8 18.Qa5 c5 19.Bf6 Bf6 20.Nd5 Ba1 21.Ra1 Qd6 22.Bf3 Rb3 23.e4 Bh3 24.Ne3 Be6 25.Rd1 Rd3 26.Nd5 Rd1 27.Bd1 f5 28.Qd2 Qe5 (28...fe4?? 29.Nf6 Rf6 30.Qd6 Bc4 31.Qc5+–) 29.ef5 Bd5 30.cd5 (30.Qd5 Qd5 31.cd5 Rf5–/+) 30...Re8 31.Kf1 Qh2 32.f3 Kf8 33.d6 (33.Bc2 Qh1 34.Kf2 Qh4 35.Kf1 Qd4 36.Qd4 cd4–/+) 33...Qh1–/+ 34.Kf2 Qh4 35.Kf1 Qd4 36.Qd4 cd4 37.d7 Ra8 38.Ke2 Ke7 39.a4 Kd7 40.Kd3 Kc6 41.Kc4 Kb6 42.Bb3 (42.g4 Rc8 43.Kd3 Kc5–+) 42...Rd8–+ 43.Kd3 Kc5 44.g4 Rb8 45.Bd1 Rf8 46.Be2 (46.Ke4 Kc4 47.g5 d3–+) 46...h5! 47.f6 (47.gh5 Rf5 Deflection) 47...h4 48.fg7 Rg8 49.Bf1 Rg7 50.a5 Ra7 0–1. Cottarelli,Franco (2105) – Gavrijski,Dimitar (2170), WSTT/3/06/Semifinal, 2008.

7.Nh4 Be6 8.Qc2 g6 9.Nf3= Nc6 10.a3 Qd7 11.h3 Rae8 12.Be2 Bf5 13.d3 Bd8 14.Qa4 a6 15.Qb3 e4 16.de4 Be4 17.Ne4 Ne4 18.Bd3 Qe6 19.0–0 f5 20.Rad1 Bf6 21.Be4 fe4= 22.Nd4 Nd4 23.Bd4 b5 24.Bf6 Rf6 25.Rc1 c6 26.Rc3 Ref8 27.Qc2 bc4 28.Rc4 d5 29.Rc5 Rd8 30.Rc1+/– Rd6 31.Qa4 Qc8 32.Ra5 Qf5 33.Rc2 Qe5 34.Rac5 Qe8 35.Qa6 d4 36.Qc4+– Kg7 37.ed4 e3 38.Re5 ef2 39.Rf2 Qd7 40.Rf6 Rf6 41.Qc5 Rf7 42.d5 cd5 43.Rd5 Qe6 44.Qd4 Kh6 45.Re5 Qf6 46.Qd2 Kg7 47.Re1 g5 48.a4 h5 49.Qe3 Kg8 50.Qe8 Kh7 51.Qe2 g4 52.hg4 hg4 53.Qe4 Kh6 54.Qe6 Qe6 55.Re6 Kg5 56.a5 Rf4 57.b5 Ra4 58.a6 Ra5 59.Re5 Kf4 60.Rc5 Ra1 61.Kf2 Ra2 62.Kf1 Kg3 1–0. Klein,Sabine – Usachyi,Mark (2265), Bad Zwesten op 1st, 1997.

7.Nh4 Bg4 8.Be2 Be2 9.Qe2 d5 10.cd5 Bb4 11.Qb5 Bc3 12.Bc3.

5.d3 0–0

6.Be2 a6 7.Nf3 =.

6.Be2 Nbd7 7.Nd2 a6 8.Ngf3= Re8 9.0–0 Nf8 10.a4 Ng6 11.Qc2 Bd7 12.d4 ed4 ½–½. Carrasco Martinez Juan M (2300) – Merino Rey Juan, Ch Spain team, 1993.

6.Nf3 Nc6 7.b5 Nb8 8.Be2 =.

6.Nf3 Nbd7 7.Be2 Re8 8.Nc3 b6 9.0–0 Bb7 10.Qb3 Bf8 11.Nd2 c6 12.Bf3 Rc8 13.Rfe1 Qc7 14.a3 Qb8 15.g3 Qa8 16.e4 g6 17.Re2 Bh6 18.Bg2 Nf8 19.Rae1 Ne6 20.Nd1 Nh5 21.Ne3 Rf8 22.Bh3 Rce8 23.Nf3 Bg7 24.Be6 fe6= 25.Kg2 c5 26.Bc3?? Be4!–+ 27.de4 Qe4 28.Nf5 Qf5 29.Ng1 Rd8 30.f3 Rfe8 31.Qb2 Qf7 32.b5 Nf6 33.Rd1 Rd7 34.Nh3 h6 35.Qc2 Nh5 36.Ng1 Qf5 37.Qb2 Red8 38.a4 Qf7 39.Rde1 Nf6 40.Nh3 Nh7 41.Qa3 Nf8 42.a5 g5 43.Ra2 Ng6 44.Nf2 d5 45.ab6 ab6 46.Qb3 e4 47.fe4–/+ Bc3 48.Qc3 d4 49.Qc1 Ne5 50.Ra3 d3 51.Qc3? Qf3 52.Kg1 Rf8 53.Rf1 Ng4 (54.Qd2 Ne3 55.Qe3 Qe3–+) 0–1. Tennstedt,Andreas (2285) – Janoschka,Arnd (2235), BL2–O, 1996.

6.Nf3 Re8 7.Nc3 Bf8 8.Be2 c6 9.0–0 Na6 10.b5 Nc7 11.d4 e4 12.Nd2 Bf5 13.Qb3 Qd7 14.d5 cd5 15.Nd5 Ncd5 16.cd5 Qe7 17.Rac1 Nd7 18.Rfd1 Nc5+= 19.Qb4 Qg5 20.Nf1 h5 21.Ng3+/– Bg4 22.Bg4 Qg4 23.Qd4 h4 24.f3 Qg6 25.Ne4 Ne4 26.fe4 Re4 27.Qd2 Be7 28.Rc7 Bd8 29.Rb7+/– Bb6 30.Bd4 Bd4 31.ed4 Rae8 32.Qf2 Re2= 33.Qf3 R8e3 34.Qf1 h3 35.Ra7 Re1!? (36.Re1 Re1–+; < 35...Rg2 36.Kh1 Rge2 37.Rb1 Qe4 38.Kg1 Rg3 39.hg3 h2#; 35...hg2 36.Qf2 Rf2 37.Kf2 Qc2 38.Ke3 Qd1 39.Ra6 g1Q 40.Ke4 Qgd4 41.Kf5 Q1g4#) 0–1. Kreuzer,Uwe – Horn, Mannheim GER, 1994.

6.Nf3 a5

7.ba5 Nc6 8.d4 =+.

7.b5 =+.

6.Nf3 d5

7.a3= e4 8.Nd4 a5 9.b5 c5 10.bc6 Nc6 11.cd5 Nd4 12.Bd4 Qd5 13.Nc3 Qc6 14.f3 ef3 15.Qf3 Qf3 16.gf3+= Rd8 17.Bf6 Bf6= 18.d4 Bf5 19.Ne4 Bh4 20.Kd2+= Rac8 ½–½. pcmvr (1920) – Hitman (1715), internet, 2006.

7.Ne5 Bb4 8.Nd2 Be6 9.a3= Ba5 10.Be2 Nbd7 11.Nd7= Nd7 12.0–0 c5 13.cd5 Bd5= 14.Bf3 Bf3 15.Nf3 Re8 16.Qb3 Qb6 17.Qa4 Qb2 18.Qd7 Rad8 19.Qf5+= Qb3 20.Ng5 g6 21.Qf4 Re7 22.Nh7 Qd3 23.Qh4 Qd6 24.Ng5 Bc3 25.Rac1 Bf6 26.Qh7 Kf8 27.f4 Qd3=+ 28.e4 Qa3 29.Rce1 Bg7 30.f5= gf5 31.Qf5 Qa2 32.Kh1 b6 33.e5 Qd5 34.Qg6 Kg8 35.Qh7 Kf8 36.Qh5 c4?? 37.e6+– f6 38.Qg6 Kg8 39.Rf6 Qd3 40.Rf5 Qf5 41.Qf5 Bf8 42.Nf7 Rc8 43.Qg6 Bg7 44.Ng5 Rc5 45.Qh7 Kf8 46.Rf1 Rf5 47.Rf5 Bf6 48.Qh8# 1–0. pcmvr (1925) – alfil19 (2130), ChessHere.com, 2006.

5.d4 0–0

6.a3 (--> 1.b4 e5 2.Bb2 Nf6 3.a3 d6 4.e3 Be7 5.c4 0–0 6.d4).

6.Nd2 ed4 7.Bd4 Nc6 8.Ngf3 Nb4–/+ 9.Qb3 c5 10.Bc3 Nc6 11.Bd3 Na5 12.Qc2 d5 13.Bf6 Bf6=+ 14.Rb1 h6 15.0–0 dc4=+ 16.Nc4 Nc4 17.Bc4 b6 18.Rfd1 Qc7 19.Rd2 Bb7–/+ 20.Qf5 Bc8 21.Qe4 Bb7 22.Qg4 a6 23.Rbd1 b5 24.Be2 b4 25.Bc4 Bc8 26.Qe4 Bb7 27.Qg4 a5 28.Rd7+= Qc6? 29.Bd5+– Qa4 30.Bb7 Rab8 31.Bd5?? Qb5 32.Bc4+– Qa4 33.Bb3 Qc6 34.R7d6 Qc8 35.Qe4 Re8 36.Qd5 Rb7 37.Rd7 Rd7 38.Qd7 Qa8 39.Bf7 Kh8 40.Qe8 (40.Qe8 Qe8 41.Be8+–) 1–0. wlittle (1705) – calculus, net–chess.com, 2002.

6.Be2 ed4!? 7.Qd4 c5 8.bc5 dc5 +=.

6.Be2 d5 7.de5+= Bb4 8.Kf1 Ne4 9.f3 Ng5 10.cd5 (worse is 10.Qd5 Qe7 11.Qd4 Nc6+=) 10...b6? (better is 10...h6+/–) 11.h4+– (11.h4 Ne6 12.de6 Be6 13.Qc2+–) 1–0. Wall,Bill – Silverback, internet, 2005.

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.d4).

6.de5 de5

7.Qb3 a5 8.b5 Nbd7 9.Nc3=+ Nc5 10.Qc2 e4 11.Rd1 Bd6 12.Nd5 Nd5 13.Rd5 Be6 14.Rd1 Qe7 15.a3 Rad8 16.Qc3 f5 17.Qa5 b6 18.Qd2 f4 19.Qc1? Bg4–+ 20.Rd5 f3 21.gf3=+ ef3 22.Qc2 Bf4 23.h3 Rd5 24.cd5 Bf5 25.Qc3 Na4 26.d6+= Bd6? 27.Qb3+– (27.Qb3 Kh8 28.Qa4+–) 1–0. Bonetti,Shane – Rubenstein (1980), ICC, 2002.

7.Qd8 Rd8 8.Be5 c6 9.a3+= Bg4 10.Nd2 Nbd7 11.Bc3 Nb6 12.Be2 Be2 13.Ne2 Rd7 14.0–0 Rad8 15.Nd4 h6 16.N2f3 Nc4= 17.Nf5 Ne8 18.N3d4 Bf6 19.a4 Bd4 20.ed4 Nf6 21.d5 Nd5–/+ 22.Bg7 h5 23.Bh6 Nb4 24.Rfe1? Kh7 25.Bg5 Rd5?? 26.Bd8= Rf5 27.Re4 b5+= 28.ab5 cb5 29.Ra7 Rd5= 30.Rf7 Kg6=+ 31.Rf6 Kg7 32.Rfe6? Rd8 33.h4 Na2 34.Re7= Kg6 35.Rf4 Rd6=+ 36.g4 hg4 37.Rg4=+ Kh5 38.Rg2 Nd2 39.Re5 Kh4 40.Rb5 Nf3 41.Kf1 Nc3 42.Rb4 Kh5 43.Rg3 Rd1 (43...Rd1 44.Kg2 Nd5 45.Rh3 Kg5 46.Rg3 Kh5 47.Rh3 Kg5 48.Rg3 Kh5=). malaysianisme – felippe (2100), net–chess.com, 2004.

7.Qd8 Bd8 8.Be5 Nc6 9.Bc3 +=.

5.d4 ed4

6.Qd4 c5 7.bc5= Nc6 8.Qd1 dc5 9.Nd2 Bf5 10.Ngf3 0–0 11.Be2 Qc7 12.0–0 Rad8 13.Qb3 Rd7 14.Rfd1 Rfd8 15.a3 Bd3 16.Bd3 Rd3 17.Bc3 Qd6 18.Re1 Qe6 19.Rac1 b6 20.Qc2=+ Ng4 21.Rcd1 f6 22.h3 Nge5–/+ 23.Be5 Ne5 24.Ne5 fe5 25.Nf3 e4 26.Rd3 Rd3 27.Nd2=+ Bf6 28.Rd1 h6 29.a4 Kh8 30.Rb1 Bc3 31.Nf1 Ba5 32.Rd1 Rc3–/+ 33.Qe2 a6 34.Rd5=+ Kh7 35.Ng3 Bb4 36.Kh2 b5–/+ 37.ab5 ab5 38.Qh5 Rc4 39.Re5 Qg6 40.Qg6 Kg6 41.Ne4 Re4 42.Re4+/– Ba3 43.Re6 Kf5 44.Re8 b4 45.e4 Kf6 46.e5 Kf7 47.Rb8 c4 48.Rc8 b3 (48...b3 49.Rc4 b2 50.Rc7 Ke6=). Zulauff,Harri – Felkel,Siegfried, TT–18 ETC, 2005.

6.Bd4 0–0 7.Nf3 c5 8.Bc3 cb4 9.Bb4 Nc6 10.Bc3 Bg4 11.Bd3 Ne5 12.0–0 Nf3 13.gf3 Bh3 14.Re1 Re8 15.Nd2= d5 16.Rb1 dc4 17.Bc4 b6 18.Qb3= Rf8 19.Rbd1 Qc8 20.Qb5 Qf5 21.Qf5= Bf5 22.e4 Bg6 23.f4 h6 24.f5+= Bh5 25.e5 Bd1 26.ef6 Bf6 27.Bf6 gf6 28.Rd1 Rac8 29.Bd5 Kh7 30.Ne4+/– Rg8 31.Kf1 Kg7 32.Nd6 Rc3 33.Bf7+– Rf8 34.Bb3 Rd8+/– 35.Ke2 Rc6 36.Rg1+– Kh7 37.Ne4 Re8 38.Bd5 Rc2 39.Kd3 Rb2 40.Nf6 (40.Nf6 Kh8 41.Ne8 Rb3 42.ab3 h5 43.Rg5 a6 44.Rh5#) 1–0. Wall,Bill – Luigi, internet, 2006.

6.Bd4 Nc6 7.Bc3 0–0 8.b5= Ne5 9.Nf3 Nf3 10.Qf3 d5 11.Nd2 a6 12.ba6 Ra6 13.cd5+= Bg4 14.Qf4 Nd5 15.Qg4 Rg6 16.Qa4 Nc3 17.Qb3 Rc6 18.Bc4 Bf6–/+ 19.Rc1 Rc4 20.Qc4=+ b5 21.Qf1 Na2 22.Rd1 Nc3 23.Rc1 Qd6 24.f3 Rd8 (24...Rd8 25.Qf2 c6–+) 0–1. Johansson,Mats – Korchut,Adam, IECG, 2006.

6.ed4 0–0

7.Bd3 a5 8.ba5 Ra5 9.Nf3 Bg4 10.0–0 d5 11.c5 b6 12.Nbd2 Nbd7 13.c6 Nb8 14.Qc2 g6 15.Ne5+= Be6 16.Nb3 Ra7 17.Rfe1 Qc8 18.Bc1 Kg7 19.Bg5 Bf5 20.Bf5+/– Qf5 21.Qf5 gf5 22.Nd7 Nbd7 23.Re7 Nb8 24.Rc1 Ne4 25.Bf4+/– Na6 26.a3 Kf6 27.Rd7 Re8 28.Rd5 Raa8 29.f3 Ng5 30.Be5 Kg6 31.Rd7 Rac8 32.h4 Ne6 33.d5 Nf8 34.Bf4. van Rooijen,Peter – Simelis,John, corr or02–026, 2003.

7.Bd3 d5 8.c5 a5 9.b5 c6 10.b6= Re8 11.Ne2 Na6 12.a3 Nc5 13.dc5 Bc5 14.Qc2 Bb6 15.Nbc3 Ne4 16.Ne4 de4 17.Be4 Qh4+/– 18.Ng3 Bf5 19.f3 Be4 20.fe4 Bc7 21.0–0–0 Bg3 22.hg3 Qg3 23.e5+= g6 24.Rh3 Qg5 25.Kb1 Rad8 26.Rf1 Rd2 27.Qb3 Re7 28.Rhf3 Qg2= 29.Ba1 Rd5=+ 30.a4 b5 31.e6 Re6 32.Bb2 f5 33.R1f2?? Qg5 34.ab5–/+ Qd8 35.Qc3 Rd7?? 36.Rd2 cb5 37.Qg7! (37.Qg7 Rg7 38.Rd8 Kf7 39.Rd7 Re7 40.Re7 Ke7 41.Bg7+–) 1–0. Andersson,Lars H – Brissman,Anders, corr SSKK Cup, 1996.

7.d5 a5 8.b5 Ne4 9.Nd2 Re8 10.Be2 Nd2 11.Qd2 Bg5 12.Qc2 Qe7 13.Rd1 Bf6 14.Bf6 Qf6 15.Nf3 Bf5 16.Qd2 Nd7 17.0–0 Nc5 18.Rfe1 Ne4 19.Qd4 Nc3 20.Rd2 Re2 21.Ree2 Ne2 22.Re2 Qd4 23.Nd4 Bd3 24.Re7 Bc4 25.Rc7 Bd5 26.Nf5 Kf8 27.a3 Be6 28.Nd4 Re8 29.Ne6 Re6 30.Kf1 b6 31.Rb7 d5 32.Rb8 Ke7 33.Rb7 Kd8 34.Rf7 Re7 35.Rf5 Rd7 36.Ke2 Ke7 37.Rh5 Kd6 38.Rh7 Kc5 39.h4 Re7 40.Kd2 Rf7 41.f3 Kb5 42.h5 Rf5 43.Ke3 Kc5 44.f4 d4 45.Kd3 Rf7 46.h6 Rf4 47.Rg7 Rh4 48.Rh7 Kb5 49.Rh8 Ka4 50.h7 Ka3 51.g4 Rh3 52.Kd4 Rh4 53.Kd5 b5 54.g5 (54…Rh5 55.Kc6+–) 1–0. Birzer,Lothar – Riepe,Bernhard, E0216 DESC, 1999.

7.Nf3 b6 8.Be2 Bb7 9.d5= c5 10.bc5 dc5 11.0–0 Bd6 12.Re1 Nbd7 13.Nc3 a6 14.Qd2 Qc7 15.Rad1 Rfe8 16.g3 Re7 17.a4 Rae8 18.Qd3 Ne5 19.Ne5= Be5 20.d6 Qc6=+ 21.Bf3 Qf3 22.Qf3 Bf3 23.de7 Bd1 24.Re5 Ng4?? 25.Rd5+– h6?? 26.Rd8 (26.Rd8 f6 27.Re8 Kf7 28.Rb8 Ba4 29.Na4 Ke7 30.Rb6+–) 1–0. Bonetti,Shane – guest1356, ICC, 2002.

7.Nf3 c5 8.a3 cd4 9.Be2= Re8 10.0–0 Nc6 (10...d5 11.Nd4 dc4 12.Bc4+=) ½–½. Romanski,Andreas – Skrzypczak,Jerzy (2245), Oberhau Post op 1st, 1991.

7.Nf3 c5 8.bc5 dc5 9.d5 b5 10.Nc3 b4 11.Nb1 Re8 12.Be2 Bg4 13.0–0= Bd6 14.Nbd2 Nh5 15.Re1 Nf4 16.Bf1 Re1 17.Qe1 Nd7 18.Ne5 Ne5 19.Be5 Rc8 20.Qe4 Be5 21.Qe5 Ng6 22.Qg3 Bd7 23.Re1 Qa5 24.Qd6 Bf5= 25.g4 Bg4–/+ 26.Qg3 Bd7 27.Ne4 Qa2 28.Nc5 Rc5 29.Qd6 Qa5 30.Qd7= Qc7? 31.Qe8 Nf8= 32.Re7 Qf4 33.Ra7 Qg4 34.Kh1 Qf3 ½–½. epiglotis (2095) – bwood (2015), net–chess.com, 2001.

7.Nf3 c5 8.bc5 dc5 9.d5 Bg4 10.Nc3 Nbd7 11.d6+= Bf3 12.gf3 Ne5 13.Nb5 Bd6 14.Nd6 Nf3? 15.Qf3+– Qe7 16.Be2 Nd7?? 17.Rg1 g6 18.Nf5 Qd8 19.Nh6# 1–0. Bonetti,Shane – userin, ICC, 2002.

7.Nf3 d5 8.c5 b6 9.a3 a5 10.cb6 ab4–/+ 11.bc7 Qc7 12.Bd3 Nc6 13.0–0 Bg4 14.ab4 Ra1 15.Ba1 Nb4 16.Be2 Ra8 17.Nc3 Ne4 18.Nb5 Qa5 19.Bb2 Rb8 20.Nc3 Nc6 21.Ne4 de4 22.Ne1 Rb2 23.Bg4 Rd2 24.Qb1 Qd5 25.Nc2 Bg5 26.Rd1 Rd1 27.Qd1 Bf6 28.Qb1 g6–/+ 29.Bc8 Nd4 30.Nd4 Bd4 31.Bb7 Qc4 32.Be4 Qe2 33.Kh1 Qf2 34.h3 h5 35.Bd5 Kg7 36.Qc1 f5 37.Bf3 Kf6 38.Bd5 Bb6 39.Kh2 Be3 40.Qd1 h4 41.Bf3 Bd4 42.Qc1 Bb2 43.Qc6 Kg5 44.Qe6 Ba3 45.Qe5 Bc5 46.Qa1 Bd6 47.Kh1 Qg3 48.Kg1 Bc5 49.Kh1 Bd6 50.Kg1 Qf4 51.Qc3 Bb4 52.Qd3 Bc5 53.Kf1 Bb6 54.Ke2 Qe5 55.Kd1 Qe7 56.Qd5 Be3 57.Qd3 Kf4 58.Qc4 Kg3 59.Ke2 Bd4 60.Kd1 Be3 61.Ke2 Bb6 62.Kd1 Bf2 63.Bd5 Qe5 64.Qd3 Be3 65.Ke2 Kf4 66.Qc4 Kg5 67.Kd3 Bf4 68.Qc5 Qe1 69.Qc2 Qe3 70.Kc4 Be5 71.Kb5 Bc3 72.Qb3 Qe5 73.Qc4 Bd4 74.Kb4 Qb8 75.Ka4 Be3 76.Qc3 Qb6 77.Qe5 Qc5 78.Kb3 Bd4 79.Qe6 Qc3 80.Ka4 Qc2 81.Kb4 Qc5 82.Kb3 Qc3 83.Ka4 Qc2 84.Kb4 Qb2 85.Ka4 Bc5 86.Ka5 Kh6 87.Qc6 Be7 88.Qc4 Qe5 89.Kb6 g5 90.Bf3 Kg7 91.Qc7 Qb2 92.Ka6 Qa3 93.Kb7 Qb3 94.Ka8 Qe6 95.Qb7 Kg6 96.Bd5 Qe5 97.Qd7 Kf6 98.Bf3 Bd6 99.Qd8 Kg6 100.Qg8 Kh6 101.Qc4 ½–½. Bonetti,Shane – khadem (2220), ICC, 2002.

7.Nf3 d5 8.c5 Re8 9.Be2 Nh5 10.Qd2 Nd7 11.Nc3 Nf8 12.0–0 unclear. Golyak – Taimanov,Mark, Chelyabinsk, 1959.

7.Nf3 Bg4 8.Be2 Nc6 9.b5= Nb8 10.Nbd2 Re8 11.0–0 Nbd7 12.h3 Bh5 13.Re1 Nb6 14.a4+= Bf8 15.Nh4 Qe7? 16.Bh5 Qe1+/– 17.Qe1 Re1 18.Re1 Nh5 19.a5 Nd7 20.g3 Nhf6 21.f4 Re8 22.Re8+/– Ne8 23.Kf2 d5= 24.c5 b6 25.ab6 ab6 26.c6 Ndf6 27.Nf5 Bb4 28.Nf3 g6= 29.Ne3 Nd6 30.g4 Nb5 31.g5 Ne4 32.Kg2 Nec3 33.Ne5 Nd4 34.Bc3= Bc3 35.Nd5 Bd2 36.Nf3+/– Nf3 37.Kf3 b5 38.Nc7+– b4?? 39.Nb5 b3 40.c7 b2 41.c8Q (41.c8Q Kg7 42.Nc7 b1Q 43.Ne8 Kf8 44.Nf6 Ke7 45.Qd7 Kf8 46.Qe8 Kg7 47.Qg8) 1–0. epiglotis (2095) – tsantasarobidy (2000), net–chess.com, 2001.

7.Nf3 Bg4 8.Be2 Re8 9.0–0 Bf3 10.Bf3 d5 11.c5 c6 12.Nc3 Qc7 13.Re1 Nbd7 14.Qd3 b6 15.a3 bc5 16.bc5+= Rab8 17.Re2 h5 18.Qf5 g6 19.Qg5?? Kg7 20.Bh5?? Nh5–+ 21.Re7 Re7 22.Qe7 Rb2 0–1. supertimchan (2075) – mwojo (1745), net–chess.com, 2004.

7.Nf3 Bg4 8.h3 Bh5 9.Bd3 c6 10.g4 Bg6 11.Bg6 fg6 12.0–0 d5 13.c5 Ne4 14.Nc3 Nc3 15.Bc3 Nd7 16.Re1 Nf6 17.a3 Ne4 18.Qd3 Bh4 19.Ra2 Qf6 20.Re3 Rae8 21.Rae2 a6 22.Be1 h5? 23.Qb3 hg4? 24.Nh4+– gh3 25.Re4 Re4 26.Re4 Kh7?? 27.Re3 (27…Qg5 28.Rg3+–) 1–0. Bonetti,Shane – prawngrabber, ICC, 2002.

6.ed4 d5

7.a3 0–0 8.Nf3 Bg4 9.c5 Nc6 10.Be2 Ne4 11.Nbd2 Bf6 12.0–0= Re8 13.Nb3 a6 14.h3 Bh5 15.Re1 Qd7 16.Nfd2 Nd2 17.Qd2 Be2 18.Re2 Re2 19.Qe2 Re8 20.Qd2 Qe7 21.Kf1 Bg5 22.Qc2 h6 23.Bc3 Qf6 24.Kg1 Qf4 25.a4 Bf6 26.Rd1 Re4 27.Qd2 Qd2 28.Nd2 Re6 29.Nf3 Re2 30.b5 ab5 31.ab5 Na7 32.Rb1 b6 33.cb6 cb6=+ 34.Ne5 Rc2 35.Ba1 Ra2 36.Bc3 Ra3=+ 37.Bd2 Ra4 38.Be3 Be5–/+ 39.de5 d4 40.Bd2 Ra2 41.Bf4 Ra5 42.Rb4 Nb5 43.Kh2 Kf8 44.Rc4 Ke7–+ 45.Rc6 Nc3 46.Rb6–/+ Nd5 47.Rb7 Ke6 48.Bg3 d3 49.Rb2 Rc5 50.Rd2 Nb4 51.f4 Rc2 52.Be1 Kd5?? 53.Kg1?? Kc4 54.Kf2 Nd5 55.g3 Nc3 56.Kf3 Nb1?? 57.Rd1–/+ Nc3 58.Bc3 Kc3–/+ 59.Ke3 Re2 60.Kf3 Kc2 61.Ra1=+ Rd2 62.Ra2 Kc3 63.Ra3 Kb4 64.Ra7 Rd1 65.Rb7 Kc3= 66.Rc7 Kd2 67.Rd7 Ke1?? 68.Ke3+/– d2 69.Rd3 Rb1? 70.Kd4. Enxtuul,Altanolzii (1975) – Pogonina,Natalija (2470), 1st WMSG Blitz Team w, 2008.

7.c5 0–0 8.Be2 b6 9.Nc3 Nc6 10.a3 Nd4?? 11.Qd4+– bc5 12.bc5 Bb7? 13.Nf3 Rb8 14.0–0 Nd7? 15.Nb5 Bc5 1–0. Bonetti,Shane – prawngrabber, ICC, 2002.

6.Qd4 Nc6

7.Qc3 0–0 8.Nf3 Ne8 9.b5 Bf6 10.Qd2 Bb2 11.Qb2 Nb8 12.Nc3 Qf6 13.Bd3 Nd7 14.Qc2 g6 15.0–0 Nc5 16.Ne4 Ne4 17.Be4 Ng7 18.Nd4 Rb8 19.a4 Ne6 20.Ne6 Be6 21.a5 Rfe8 22.Rac1 b6 23.Bc6 Re7 24.ab6 ab6 25.Qc3 Qc3 26.Rc3 Bd7 27.Bd5 Re5 28.Ra1 Bb5 29.Ra7 (29.cb5?! Rd5 30.Rc7 Rb5+=) 29...Bc4 30.Bc4 (30.Rc4? Rd5 31.f4 c5–+) 30...Rc5 31.Rc2 b5 32.Bb3 Rc2 33.Bc2 c5 34.Ra6 c4 35.Kf1 b4 36.Ra4 (better is 36.Rd6!? b3 37.Bb1+/–) 36...d5 37.Ke2 b3 38.Bb1 c3 39.Kd3 Rc8 40.Ra1 (40.Bc2 bc2 41.Kc2 Rc5=) 40...Kg7 (better is 40...c2 41.Bc2 Rc2–/+ (41...bc2?! 42.Rc1=)) 41.Bc2= bc2 42.Kc2 Kf6 43.Ra3 Ke5 44.Rc3 Ra8 45.Kd3 Ra2 46.Rc2 Ra3 ½–½. Rozsa,Zoltan (2025) – Bognar,Bence (1960), HUN–chT2 Erkel, 2005.

7.Qd2 0–0 8.Bd3 Ne5 9.Nc3 Nd3 10.Qd3 d5 11.a3 dc4 12.Qc4 c6 13.Nf3 Be6 14.Qe2 Nd5 15.Rd1 Qc8 16.0–0 Nb6 17.Nd4? Bc4–/+ 18.Qh5 Bf1 19.Kf1 Nc4 20.Bc1 Qc7 21.Qg4 Ne5 22.Qg3 Rac8 23.f4 Ng6–+ 24.Bb2 Rcd8 25.Nce2 Bf6 26.Rc1 Rd5 27.Qf3 Rfd8 28.g3 Qe7 29.Qf2 Re8 30.Nc3 Rdd8 31.Nd1 Qe4 32.Kg1 Nf8 33.Qf1 Nd7 34.Qg2 Nb6 35.Ba1?! Qd3 36.Nf2 Qe3 (36...Qe3 37.Rd1 Bd4 38.Bd4 Rd4 39.Rd4 Qd4–+; 36...Bd4?! 37.Nd3 Be3 38.Kf1 Bc1 39.Qc2–+; 36...Qa3 37.Qf1 Qe3 38.Nc2–+) 0–1. Schiller – Wetzel, corr FD'80/04/165, 1973.

5.d4 Nbd7

6.a4 0–0 7.Bd3 Re8 8.Ne2 ed4 9.Nd4=+ d5 10.Nc2 a5 11.b5 Nc5 12.Nc3 Bg4 13.f3 Be6 14.cd5 Nd5 15.Be2 Bh4 16.g3 Qg5?? 17.Nd5+/– Bg3 18.hg3 Qg3 19.Kf1 Rad8 20.Qd4 Rd5 21.Qh4 Qh4 22.Rh4 Rd2 23.Bd1 Red8 24.Rd4 Bh3 25.Ke1+/– R2d4 26.Bd4 Ne6 27.Ra3 g5 28.Be2 f5? 29.Bc4+– Kf7 30.Rc3 Rd7 31.Be5 Ke7 32.Be6 Ke6 33.Bc7 h5 34.Nd4 Kf7 35.Ba5 f4 36.Rc7 Rc7 37.Bc7 g4 38.Bf4 1–0. Fredriksen,Jan Gunnar (1745) – Areklett,Ivar (1945), Oslo–ch, 2004.

6.Nc3 0–0 7.d5 c6 8.e4 Qb6 9.a3 a5 10.b5 Nc5 11.Qe2 Ng4 12.Nf3?? (better is 12.Rd1!?+=) 12...f5 (better is 12...Nd3! 13.Kd2 Nb2 14.dc6 bc6 15.bc6–+) 13.dc6 bc6 14.bc6?? (better is 14.Bc1 fe4 15.Ne4 Ne4 16.Qe4 Qf2 17.Kd1–+) 14...Qc6 (better is 14...Nd3! 15.Qd3 Qf2 16.Kd1 Qb2 17.Qd5 Rf7–+) 15.Nd5 Qb7 16.Ne7 Qe7 17.Bc1?? h6 18.ef5 Bf5 19.Qd2? Be6 20.h3 Ne4 21.Qc2 Ngf2 22.Rg1 Nc5 23.Bh6 Nfe4 24.Be3 Bf5 25.Bc5 Nc5 26.Qd2? Kh8?? 27.Qg5 Qg5 28.Ng5 Rab8 29.g4 Bd7 30.Rg3 Rb2 31.0–0–0 Rff2 32.Bd3?? Nb3 0–1. Heyar,Fred (1615) – Berck,Jean Michel (1625), Luxembourg–ch, 1999.

6.Nf3 0–0 7.b5 ed4 8.Nd4 Nc5 9.Nd2 a6 10.a4 Bg4 11.N4f3 Re8 12.Be2 Bf8 13.0–0 Nfe4 14.Ne4 Re4 15.Nd2 Be2 16.Qe2 Rh4 17.Nf3 Rh6 18.Qc2 Qd7 19.Nd4 Rh5 20.Qe2 Rg5 21.Nf3 Qg4 22.g3 Rh5 23.Nd4 Qh3 24.f3 Re8 25.Rf2 Rhe5 26.e4 f5 27.Nf5? (better is 27.ba6 ba6 28.Nc6+=) 27...Rf5–+ 28.Qc2 Rf7 29.Qd2 (29.Rd1 Be7–+) 29…Nb3 (29...Nb3 30.Qd5 Na1 31.Ba1 Qc8–+) 0–1. Zhukov,Vladimir (1940) – Deev,Viktor, Tula CC–ch, 2007.

6.Nf3 a5 7.Qa4 ed4 8.ed4 c5 9.Bd3 cb4 10.0–0 h5 11.a3 d5 12.c5+= ba3 13.Na3 Ne4 14.Rae1 f5 15.c6 Nb6 16.cb7+/– Na4 17.ba8Q Nb2 18.Bb5 Kf8 19.Ra1 Be6 20.Qd8 Bd8 21.Ne5 Kg8 22.Rfb1 Nc4 23.Nac4 dc4 24.Bc4 Bc4 25.Nc4 g5 26.Na5 Bf6 27.Nc6 f4 28.Rb7 Bg7 29.Ne7 Kh7 30.Nf5 Kg6 31.Ng7 Rd8 32.Ra6 Rd6 33.Rd6 Nd6 34.Rb6 Kg7 35.Rd6 h4 36.Re6 g4 37.d5 Kf8 38.Re4 Kf7 39.Rf4 Ke7 40.Rg4 Kd6 41.Rd4 Ke5 42.Rh4 Kd5 43.g4 Ke5 44.g5 Kf5 45.Rg4! Kg4 46.g6 Kf5 47.g7 Ke6 48.g8Q Kd6 49.f4 Kc5 50.f5 Kb6 51.f6 Kc6 52.f7 Kc5 53.h4 Kb5 54.h5 Kc4 55.h6 Kb5 56.h7 Kc5 57.f8Q Kb6 58.Qc4 Ka7 59.Qfb4 Ka8 60.h8Q Ka7 61.Qa2# (61.Qhb8#) 1–0. Machete (2305) – Mithrandir (1845), ICC, 2003.

6.Nf3 ed4

7.Nd4 0–0 8.Bd3 Ne5=+ 9.Be2 Re8 10.a3 Bf8 11.0–0 Qe7 12.Nc3+= c6 13.Re1 g6 14.Qd2 Bg7 15.Rad1 Bg4 16.f3 Bd7 17.h3 d5 18.cd5 Nd5? 19.f4+– Bh3 20.gh3 Qh4 21.Nd5?? cd5?? 22.fe5?? Qg3= 23.Kh1 Qh3 24.Kg1 ½–½. Bonetti,Shane – roofrunner, ICC, 2002.

7.Nd4 Ne5 8.b5 0–0 9.Nd2 c5 10.N4f3 Qc7 11.Qc2 h6 12.Rd1 Be6 13.Be2 Nfd7 14.0–0 f5 15.Ne5 de5 16.e4 f4 17.Nf3 Bf6 18.Qd3 Nb6= 19.Qc2 g5 20.h3 h5 21.Nh2 Qf7 22.Rc1 Kh7 23.Rfd1+= Rg8 24.f3 Rgd8= 25.Rd8 Rd8 26.a4 Na8 27.Nf1 Nc7 28.Ba3 b6 29.a5 Bc8 30.Nd2 Ne6 31.Nb3 Kh6 32.ab6 ab6 33.Bb2 Nd4 34.Bd4 ed4 35.Qd3 Be5 36.Ra1 Bb7 37.Ra2 Qg6 38.Nd2 Rd7 39.Qb1 Rg7 40.Qe1 Qd6 41.Ra3 Qb8 42.Qd1 Rg6 43.Qe1 Kg7 44.Qd1 Kf6 45.Qa4 Rg7 46.Kf1 Qc7 47.Qc2 Bc8 48.Qd1 Qb7 49.Ke1 Be6 50.Ra6 Bc7 51.Nf1 Qc8 52.Nh2 Qd8 53.Qd3 Bc8 54.Ra8 Qd7 55.Ra7 Qd6 56.Ra4 Bb8 57.Kd2 Ke5 58.Qc2 Ra7 59.Ra7 Ba7 60.Kd3 Bb8 61.Qa4 Qc7 62.Kd2 Qa7 63.Qa7 Ba7 64.Kd3 ½–½. Cassar,Francis – Omtvedt,Per, EU–ch U20 fin–C, 1972.

5.d4 e4

6.Nc3 d5 7.c5 (7.Qa4 Nbd7+=) 7...c6 (7...0–0 8.Qa4+=) 8.a4 (8.Nge2 Na6 9.Qa4 Nc7=) 8...a6 (8...0–0 9.Nge2+=) 9.Qc2 (9.Nge2 0–0=) 9...Bf5 10.a5 Bg6 (10...0–0 11.Nh3=) 11.0–0–0 (11.Nh3!?=) 11...Nbd7+= 12.Nge2 h6 13.Nf4 Bh7 14.Be2 Qc7 15.g4 (15.Kb1 Bf5=) 15...g5+= 16.Ng2 0–0–0 17.h4 Bg6 (17...Kb8 18.Na4+=) 18.Rh3 (18.Kb1 Kb8+=) 18...Rdf8 (18...h5 19.gh5 A) worse is 19...Bh5 20.hg5 Be2 21.Rh8 Bd1 22.Rd8 Bd8 23.Qd1= (worse is 23.Kd1 Qh2 24.gf6 Qg2–/+); B) 19...Nh5?! 20.hg5 Ng7 21.Nh4=; C) 19...Bf5–/+) 19.hg5 (19.Rdh1 Qd8=) 19...hg5 20.Rdh1 Qd8 21.Qd1 Rh3 22.Rh3 Rh8 23.Qh1 Rh3 24.Qh3 Qg8 25.Ne1 Qh7 26.Qh7 Bh7 27.Nc2 Bd8 28.Kd1 Nf8 29.Ne1 Ne6 30.Nc2 Bc7 31.Ke1 Kd7 32.Kf1 Ke7 33.Kg2 Nf8 34.Ne1 Ng6 35.Kh3 Nf8 36.Ng2 Ne6 37.Ne1 Nf8 38.Ng2 Ne6 39.Ne1 ½–½. Knight,Timothy (1800) – Shiau,Suen_Wen (1785), 40th Men Olympiad, 2012.

6.d5 0–0 7.Nc3 Bg4 8.Be2 Bf5 9.g4 Bg6 10.h4 h6 11.Nh3 Nh7? 12.h5+– Ng5?! 13.hg6 fg6 14.Nf4 Qe8 15.Nb5 Na6 16.Qc2 c6 17.Nd4 Nb4 18.Qc3 c5 19.Nde6 Ne6 20.Ne6 Bf6 21.Qb3 Bb2 22.Qb2 Rf7 23.g5 Nd3?? 24.Bd3 ed3 25.gh6 Rf2 26.Kf2 Qf7+– 27.Ke1 Qf6 28.Qf6 gf6 29.h7 Kh8 (29...Kh8 30.Kd2 b5+–). HMBCHESS2 – EasyStreet, Live Game Caissa's Web, 2005.

6.d5 c6 7.Nc3 Bf5 8.Nge2 0–0 9.Ng3 Bg6 10.Qc2 Re8 11.Nce4 Kh8 12.Bd3 Nbd7 13.0–0 Ne4 14.Ne4 Be4 15.Be4+– cd5 16.Bd5 Rf8 17.Rfd1 Rb8 18.a4 Bf6 19.Be4 Bb2 20.Qb2 Nf6 21.Bd5 b6 22.Bc6 Qc7 23.b5 a6 24.Qb4 Rfd8 25.Rac1 a5 26.Qa3 Qe7 27.Rd4 Qe5 28.Qd3 Qc5 29.e4 Ng4 30.Rd5?? Qb4 31.Qg3 Ne5+/– 32.Rd4 Qb2 33.Qf4?? Qd4–+ 34.Bd5 f6 35.Qf5 Qd2 (35...Qd2 36.Rb1 Nc4 37.Bc4 Qc2–+) 0–1. gtate (1945) – cbum (2135), net–chess.com, 2005.

6.f3 0–0 7.fe4 Ne4 8.Bd3 Bh4 9.g3= Qf6?? 10.Be4+– Bg5 11.Qd3 g6 12.Nf3 Bh3 13.Ng5 Qg5 14.Bb7 Re8 15.Qd2 Re3 16.Kf2 Qe7 17.Qe3 (17…Qe3 18.Ke3+–) 1–0. Bonetti,Shane – BobSled, ICC, 2002.

6.f3 Bf5 7.Nc3 d5 8.Qa4 c6 9.cd5 Nd5 10.Nd5 Qd5 11.0–0–0 0–0 12.h3 Bg6 13.f4 Nd7 14.g4 Nb6 15.Qc2 f6 16.a3 a5 17.f5 Bf7 18.ba5 Ra5 19.Re1 Na4 20.Kd2 Nb2 21.Qb2 Ba3 22.Qb1 Bd6 23.Be2 Ra2 24.Kd1 Rfa8 25.Rh2 Qa5 26.Bc4 Bc4 27.Ra2 Ba2 28.Qc2 Qa3 29.Ke2 Bb3 30.Qc1 Qa2 31.Kf1 b5 32.g5 Bc4 33.Re2 Bg3 34.Kg2 Be2 35.Kg3 Bf3 36.Nf3 ef3 37.Kf3 Qd5 38.Kf4 fg5 39.Kg3 Rf8 40.Qc2 Qf5 41.Qf5 Rf5 (42.d5 cd5–+) 0–1. Bonetti,Shane – Tatita (1765), ICC, 2002.

5.Be2 0–0

6.a3 Bf5 7.Nc3 Nbd7 8.Nf3= c6 9.0–0 Re8 10.Nh4 Be6 11.Qc2 Nf8 12.Nf5= Bf5 13.Qf5+= Qd7 14.Qc2 Ng4 15.Rfd1 Nh6 16.d4 ed4 17.Rd4 Bf6 18.Rd2 Be5 19.Rad1 Rad8 20.f4 Bc3 21.Qc3 f6 22.h3 Qe6+= 23.Rd3 d5 24.cd5 cd5 25.Rd5 Rd5 26.Rd5 Qe3 27.Qe3 Re3 28.Bc4 Nf7 29.Kf2 Re7 30.a4 Nd7 31.a5 a6 32.b5+– ab5 33.Rb5 Nb8 34.Bd5 Kh8 35.Rb7 Rb7 36.Bb7 Nd8 37.a6 Nbc6 38.Bd4! Kg8 39.Bc6 Nc6 40.a7 Na7 41.Ba7 Kf7 42.Ke3 Ke6 43.g4 g6 44.Bd4 f5 45.g5 Kd5 46.Bc3 Kc4 47.Bb2 Kd5 48.Kd3 Kc5 49.Ba3 Kd5 50.Bb4 (50.Bb4 Kc6 51.Kc4+–) 1–0. Johnston,R – Sundeen,D, Grand Rapids, 1989.

6.Nc3 d5 7.cd5 Bb4 8.Qb3 =+.

6.Nc3 Be6 7.d3 Re8 8.Nf3 h6 9.0–0 Nbd7 10.a3 Nf8 11.Nd2 c5 12.b5 Ng6 13.f4 Qc8 14.Nce4 Ng4 15.Bg4 Bg4 16.Qc2 Qd7 17.Ng3 (17.Qc3 f5 18.h3 Bh3 19.gh3 fe4=) 17...ef4 (17...Bh4!?+=) 18.ef4= Bh4 19.Nde4 f5 20.Nc3 Re6 21.Qd2 Ne7 (better is 21...Rae8!?–/+) 22.Rae1 ½–½. Holz auf der Heide,Gerhard – Schmidt,Joerg (2115), Leipzig VfB op, 2003.

6.Nc3 Bf5 7.Nf3 h6 8.a3 Nbd7 9.0–0 c6 10.d3 Bh7 11.Nd2 d5 12.cd5 cd5 13.Qb3 Nb6 14.a4 d4 15.ed4 ed4 16.Nb5 Nbd5 17.Ba3?? Nf4–+ 18.Rfe1 a6 19.Nd4 Qd4 20.Bf1 Ng4 21.Nf3 Qf2 22.Kh1 Bd6 23.a5 Rfe8 24.d4 Be4 25.Ra2 Nh3! 26.Rf2 Ngf2# 0–1. Margraf,A – Bernarsi, Innsbruck, 1993.

6.c5 dc5 7.bc5 Bc5 8.Be5 Nc6 9.Qc2 Qe7 10.Bb2 Nb4 11.Qc1 Bf5 12.Na3 a6 13.Nf3 Bd3 14.Qd1 Be2 15.Qe2 Rad8 16.Bf6 Qf6–/+ 17.0–0 Nd3 18.Nd4 Bd4 19.ed4 Qd4 20.Nc2 Qf6 21.Rab1 Rfe8 22.Qg4 b5 23.Nb4?? Ne5 24.Qg3 Rd2 25.Rfe1 Kf8 26.Na6? Qa6?? 27.Re5–/+ Red8 28.Qb3 Qa7 29.Qb4 Kg8?? 30.Qd2!!+– Rb8 31.Reb5 Rf8 32.Qe2 h6 33.Rb7 Qa6 34.Qa6 (34...g6 35.Qf6 Kh7 36.Rb8 Rg8 37.Rg8 Kg8 38.Rb8 Kh7 39.Qf7#) 1–0. idado – alpha, Live Game Caissa's Web, 2004.

6.d3 a6 7.Nf3 =+.

6.d3 c6 7.Nf3 Nbd7 8.a3 Qc7 9.Nc3 b6 10.0–0 Bb7 11.Rc1 Rfe8 12.h3 Nf8 13.Qc2 Ng6 14.d4 ed4 15.ed4 Qd7 16.Bd3 Bc8 17.Ne2 Nh5 18.Ng3 Ng3 19.fg3 Bf6 20.Rce1 Bb7 21.Bf5 Qc7 22.Kh1 Rad8 23.Bc1 Bc8 24.g4 Bf5 25.gf5 Nf8 26.Bf4 Qd7 27.Qd3 d5 28.Be5 dc4 29.Qc4 Rc8 30.g4 h6 31.Rd1 Nh7 32.h4 Qd8=+ 33.Bg3 Re4–/+ 34.Kh2 Rg4 35.Qc2 Qd5 36.Ne5 Re4 37.Kh3 Re3–+ 38.Nc4 Ree8 39.Nd6= Rcd8 40.Ne8 Re8 41.Rde1 Rd8 42.Rc1 Bd4 43.Qc6+= Nf6 44.Qd5+/– Nd5 45.Rf3 Bf6 46.Rc2 Ne7 47.Rc7 a5 48.ba5 ba5 49.Ra7 Rd5+= 50.Ra8 Kh7 51.Rf8 Nf5 52.Rf7 Kg6 53.Rb7 h5 54.Bf2 Re5 55.Rf4 Rd5+= 56.Rb3 Kf7 57.Rbf3 Ke6 58.Ra4 g5 59.Re4 Kd7 60.hg5 Bg5 61.a4 Nd6 62.Rd4+/– Rd4 63.Bd4 Bd2 64.Bc3+– Bc3 65.Rc3 Nb7 66.Rc4 Kd6 67.Kg3 Kd5 68.Rh4 Nc5 ½–½. Bergljung,Andreas – Carlsson,S, corr SSKK, 1985.

6.d3 d5 7.a3 a5 8.b5 =.

6.d3 h6 7.Nc3 c6 8.Nf3= Nh7 9.d4 Qc7 10.Qb3 Be6 11.d5 Bf5 12.0–0 Bg6 13.Rac1 Nd7 14.Rfd1 c5 15.Bd3 f5 16.e4 Ng5=+ 17.Ng5 Bg5 18.Rc2 cb4 19.Qb4 Nc5 20.Re2 Rac8 21.Bb1 a6 22.ef5= Bf5 23.Bf5 Rf5 24.Ne4 Ne4 25.Re4 Rcf8 26.f3 Rf4 27.Rde1 Re4 28.Re4 Rf4 29.Rf4 Bf4 30.Kf2 b5 31.g3 Qb6 32.c5 dc5 33.Qe4 c4=+ 34.Kg2 Bg5 35.Be5= Bf6 36.d6+= Be5 37.Qe5 Qd8 38.Kf2 Kf7 39.Qd5+= Ke8 40.Qc6 Qd7 41.Qa6 Kf7 42.Qb6 Ke6+= 43.Ke3 Qd6=+ 44.Qb5 Qa3 45.Kd4?? Qd3–+ 46.Kc5 Qd5 47.Kb4 Qb5 (48.Kb5 c3–+) 0–1. Kaliszewski,Tomasz (2190) – Starczewska,Malgorzata, Warszawa–ch, 1997.

6.d4 e4 7.d5 c6 8.Qc2 cd5–/+ 9.cd5 Nd5 10.Nd2 Nb4 11.Qe4 d5 12.Qb1 Qc7 13.Bd1 N8a6 14.a3 Nc6 15.Qd3 Be6 16.Bc2 f5 17.Ngf3?? Nc5 18.Qe2–/+ Bf6 19.Bf6 Rf6 20.0–0 Re8 21.Rfc1 Ne4 22.Ba4 Nd2 23.Qd2=+ f4 24.ef4 Rf4 25.Bc6 bc6 26.Rc6 Qf7 27.Ng5 Qf6 28.Ne6 Qa1=+ 29.Rc1 Rf2 30.Kf2+= Qa3? 31.Rc6 Rf8? 32.Nf8 Qf8 33.Kg1 Qe8 34.Qd5 Kh8 35.Qe6 (35.Qe6 Qe6 36.Re6+–) 1–0. marus2 – Ravinglunatic, internet, 2001.

6.Nc3 c6

7.a3 d5 =.

7.Qc2 d5 8.Nf3 e4 9.Nd4 Bb4 10.0–0 Re8 11.cd5 cd5 12.Rab1 a6 13.f3 Bf8 (13...Bd6!?=) 14.fe4+= de4 15.Rf6 Qf6 16.Rf1 Qg6 17.Bc4 Be6 18.Ne6 fe6 19.Ne4 Nc6 20.Qb1 (20.Rf3 Nb4 21.Qb1+=) 20...b5? (better is 20...Rac8=) 21.Bd3+– Qh5 22.Rf3 Ne5 (22...Be7 23.Rh3 Qf7+–) 23.Rh3+– Qf5 24.Bc2 g6 (24...Rec8 25.Nc5! Qh3 26.gh3 Nf3 27.Kg2 Nh4 28.Kg3 Rc5 29.Bh7 Kh8 30.Qe4+– (30.Kh4?! Be7 31.Kg4 Rg5 32.Kf3 Rf8 33.Ke4 Kh7+=)) 25.Rg3 Bg7 26.Rg5 Nf3 (26...Qf7 27.Be5 Be5 28.Re5+–) 27.gf3 Qf8 28.Bb3 (28.f4 Qb4 29.d4 Rac8+–) 28...Ra7 (28...Qf3 29.Bg7 Kg7 30.Bd1+–) 29.f4 Kh8 30.Re5! Rd8 (30...Be5 31.Bd4 Double attack (31.Bd4 Decoy)) 31.Re6 Bb2 (31...Bb2 32.Qb2 Qg7+–). Taulien,Hans_Juergen (2390) – Hoffmann,Frank (2380), Support for Africa03, 2008.

7.Nf3 e4 8.Nd4 c5 9.bc5 dc5 10.Nb3 Nc6 11.d4 ed3=+ 12.Qd3 Qd3 13.Bd3 Nb4 14.Bb1 Be6 15.Nd2 Rfd8 16.Ke2 Ng4 17.a3? Nc6 18.Nce4 f5 19.Ng3 g6 20.f3 Nge5 21.Rc1 Rd2!–+ 22.Kd2 Nc4 23.Rc4 Bc4 24.Ba2 Rd8 25.Kc2 Ba2 26.Ra2 c4 27.Bc3 b5 28.e4 fe4 29.Ne4 a5 30.Ra1 Rd3 31.Rb1 b4 32.ab4 ab4 33.Bb2 b3 34.Kc1 Nb4 35.Be5 Nc2 36.Nd2 Ba3 37.Kd1 Bb4 38.Bf4 Na3 39.Rb2 Bd2 40.Bd2 c3 41.Rb3 c2 (41...c2 42.Ke2 Rb3–+) 0–1. Cienciala,L – Petkevich,Jusefs (2450), Wisla Hugart op, 1999.

6.d3 Bf5

7.Nd2 Na6 8.a3 =+.

7.Nd2 Nbd7 8.a3 c5 9.b5 b6 10.a4 h6 11.Bc3 a5 12.Bf3 Rc8 13.e4 Bh7 14.Nf1 Ne8 15.Ne2 Nc7 16.g3 Ne6 17.h4 f5 18.ef5= Bf5 19.Ne3 Nd4 20.Bd4= ed4 21.Bd5 Kh8 22.Nf5 Rf5 23.Nf4 Nf6 24.Be6+– Re5 25.Kd2 Rc7 26.Ng6 Kh7 27.Ne5 de5 28.Qf3 (28.Qf3 Qd6 29.Bh3+–) 1–0. Andersson,Lars H – Paulsson,B, Sweden, 1987.

7.Nf3 a5 8.b5 a4 =.

7.Nf3 a5 8.b5 e4 9.de4 Ne4 10.Nbd2 Nc5 11.0–0 Bg6 12.Nb3 Na4 13.Bd4 Nd7 14.Rc1 Re8 15.Bd3 b6 16.Bg6 hg6 17.Qc2 Nac5 18.Rfd1 Nb3 19.Qb3 Bf6 20.h3 a4 21.Qb4 Nc5 22.Rc3 Kh8 23.Qb2 Kg8 24.Qc2 Qe7 25.Nd2 Ne6 26.Nf3 Nc5 27.Nd2 Ne6 28.Bf6 Qf6 29.Ne4 Qh4 30.Ra3 Kh7 31.Ng3 Nc5 32.Rd4 Qg5 33.h4 Qh6+= 34.h5 Re7 35.Rh4 Kg8+= 36.Rg4 gh5 37.Nf5 hg4 38.Nh6 gh6 39.Qf5 Re4 40.Rd3 Rae8 41.Rd4 Kg7 42.Re4 Re4 43.Qd5 g3 44.Kf1 Re5 45.Qc6 gf2=+ 46.Qf3 Re4 47.Qe2 Nd7 48.Qc2 f5 49.Kf2 Ne5 50.Qa4 Ng4 51.Kg1 Ne3 52.Qb3 Ng4 53.Qc3 Ne5 54.Qg3 Rg4 55.Qf2 Kg6 56.Kf1 Nc4 57.Qe2 Re4 58.Qd3 Ne3 59.Kf2 d5 60.Qb3 Re8 ½–½. Merten,Rainer – Rohde,Friedhelm, corr SOK–96–113, 1996.

6.d4 ed4

7.ed4 c6 8.Nf3 Bg4 9.0–0 Nbd7 10.Re1 Re8 11.Nc3 h6 12.d5+= cd5 13.Nd5 Ne4 14.a3 Rc8 15.Qd4 Nef6 16.Qa7 Nd5+/– 17.cd5 Rc2 18.Bg7 Kg7 19.Nd4 Be2 20.Nc2 Bf6 21.Nd4 b6 22.Nf5+/– Kh7 23.Nd6 Re7 24.Nf5+– Re8 25.Rac1 Bg4 26.Ne3 Bh5 27.d6 Rg8 28.Nd5 Be5? 29.Rc7?? (29.Rc7 Bh2 30.Kh2 Qh4 31.Kg1–+; better is 29.Ne7 Bd6 30.Ng8 Kg8 31.Rc6+–) 1–0. Bonetti,Shane – guest421, ICC, 2002.

7.ed4 d5 8.c5 b6 9.Nf3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 =+.

7.ed4 Bf5 8.Nf3 Nc6 9.a3 Re8 10.0–0 h6 11.d5 Nb8 12.Bd3 Ne4? (12...Bd3 13.Qd3 a5 14.Nbd2+=) 13.Qc2?? (better is 13.Re1 Nf2 14.Kf2 Bd3 15.Qd3 Bh4 16.g3 Re1 17.Ne1+– (17.gh4?! Re8+/–)) 13...Bf6+= 14.Bf6 Qf6 (14...Nf6?? 15.Bf5 a5 16.Nc3+–) 15.Nbd2 Nd2 16.Qd2 Bg4 17.Nd4 Nd7 18.Nb5 Qd8 19.Rfe1 Re1 20.Re1 a6 21.Nc3 Ne5 22.Bb1 Qh4 (worse is 22...Nc4 23.Qd3 Ne5 24.Qh7 Kf8 25.Qh8 Ke7 26.Qg7+–) 23.Re4 f5 24.Rd4 Qh5 (24...Qf6 25.h3 Bh5 26.Qf4=) 25.Nd1 (25.f4!? Ng6 26.h3 Bh3 27.gh3 Qh3 28.Rd3 Qg4 29.Kf1 Nf4 30.Re3=) 25...Qg6 (25...f4 26.Bc2 Rf8 27.c5+=) 26.Kf1 Re8 27.Ne3 Qh5 28.Ng4 Ng4 (28...fg4?! 29.Be4 Qh2 30.Qe3–/+) 29.h3 Nf6 30.Qd1 Qg5 31.Qd2 Qh5 32.Qd1 ½–½. Bychkova,Ekaterina – Shagbazyan,Tatevik, UKR–ch sf U18 Girls, 2008.

7.Bd4 a6 8.Nf3 Nc6 9.0–0 Nb4 10.h3 c5 11.Bb2 b6 12.a3 Nc6 13.Nc3 Bb7 14.Nd5 Nd5 15.cd5 Nb8 16.e4 b5 17.e5? de5–+ 18.Ne5 Qd5 19.Bf3 Qd1 20.Rfd1 Bf3 21.Nf3 Nc6 22.Rd5 c4 23.Ne5 Ne5 24.Re5 Bf6 0–1. gtate (1940) – emperador (2105), net–chess.com, 2004.

6.Nf3

6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2).

6.Nf3 b6 7.0–0 Nbd7 8.Nc3 Bb7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 b6 7.0–0 Bb7 8.Nc3 Nbd7).

6.Nf3 Bf5 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 Bf5).

6.Nf3 Bg4 (--> 5.Nf3 Bg4 6.Be2 0–0).

5.Be2 c6

6.a4 0–0

7.b5 Bd7 8.d4 e4 9.Nc3 a6 10.d5 ab5 11.ab5 Ra1 =.

7.b5 Nbd7 8.Nc3 d5 9.cd5 cd5 10.d4 e4 11.Qb3 Nb8 +=.

7.b5 Re8 8.d4 Nbd7 9.Nf3 e4 10.Nfd2 d5 11.Nc3 cb5 =.

7.b5 Bf5 8.d3 a6 9.Nf3 Nbd7 10.0–0 Qc7 (10...ab5 11.ab5 Ra1+=) 11.Nc3 d5 (11...ab5=) 12.cd5 cd5 13.d4 e4 14.Nd2 Rfc8 15.Qb3 Be6 16.Rfc1 Qb6 17.a5 Qd8 18.b6 Qf8 19.Na2 (19.Ba3 Rc6+=) 19...Bd6 20.Ba3?? (20.Bc3 Qe7=) 20...Qe7 (better is 20...Ba3 21.Rc7 Rab8–+) 21.Bd6+= Qd6 22.Rc3 h6 23.Rac1 Rc3 24.Rc3 Ne8 25.Qb4 Qf8 26.Nb3 Rb8 27.Qf8 Kf8 28.Nb4 Ke7 29.f4 Kd6 30.g4+/– f6 31.f5 Bf7 32.Kf2 Ke7 33.h3 Kd6 34.Kg3 Bg8 35.Kf2 Bf7 36.Rc1 Ke7 37.Rc2 Kd8 38.Ba6!+– ba6 39.Nc6 Kc8 40.Nb8 Kb8 41.Nc5 Nc5 42.dc5 Kc8 43.Ke2 Kd7 44.c6 Kc8 45.Kd2 Kb8?? 46.c7 Nc7 47.bc7 Kc8 48.Rc5 Bg8 49.Kc3 Bf7 50.Kd4 Bg8 51.Rc6 Bf7 52.Kc5 Bg8 53.Kb6 d4 54.Rd6 (54.Rd6 de3 55.Rd8) 1–0. Bartsch,R – Inderwisch,J, Steinfurt, 2003.

7.b5 Bf5 8.d3 a6 9.Nf3 Nbd7 10.Nc3 Qc7 (10...d5 11.0–0 dc4 12.dc4+=) 11.h3 (11.0–0 ab5 12.ab5=) 11...d5 (11...ab5 12.ab5+=) 12.cd5 cd5 13.0–0 Bb4 (13...Rfc8 14.Rc1 Qa5 15.d4+=) 14.Rc1 (14.Qb3 Bc3 15.Qc3 Qc3 16.Bc3 Rfe8+=) 14...Qd6+= 15.Qb3 Be6 (15...Rfc8!?=) 16.Na2+= Bc5 (better is 16...a5!? 17.Nb4 d4+=) 17.d4+– ed4 18.ed4 (18.Bd4?! Ne4+=; 18.Nd4?! ab5 19.Bb5 Rfc8=) 18...Ba7 19.Ba3 Qf4 20.Bf8 Rf8 21.Qe3 Qd6 22.Qb3?? (22.ba6 ba6 23.Rfe1 Rb8+–) 22...Re8?? (22...Qf4 23.ba6 ba6 24.Ba6 Bd4+/–) 23.Rfe1 Ne4 24.Qb4 Qf4 25.ba6 ba6+/– 26.Ba6 Bb8? 27.Nc3 Bh3? 28.Ne2 Qg4–/+ 29.Ng3 Bg3 30.fg3 Qg3 31.Re2 Ndf6 32.Qe1+= Qg6 33.Qh4+/– Bg4 34.Ne5 Re5? 35.de5+– Be2 36.Rc8 (36.Rc8 Ne8 37.Re8#) 1–0. Kasper,Peter (1650) – Feierabend,Johanna, Berlin, 2006.

5.Nf3 a6

6.Nc3 Nc6 7.d4 Nb4 8.Qa4+= Nc6 9.d5 Bd7? 10.dc6+– Bc6 11.Qc2 0–0 12.Rd1 e4 13.Ne5 Qe8 14.Nc6 Qc6 15.Rd4 Rad8 16.Ne4 Ne4 17.Qe4 Qe4 18.Re4 d5 19.Re6 Bf6?? 20.Rf6+– gf6 21.Bf6 Rd7 22.c5 c6 23.Bd3 Re8 24.Bf5 Rc7 25.h4 h5 26.Rg1 Ra8 27.g4 hg4 28.Rg4 Kf8 29.Bh7 Ra7 30.Rg8# 1–0. Trkn – guest582, ICC, 2004.

6.Nc3 Bg4 7.Be2 Nbd7 8.h3 Bf3 9.Bf3 c6 10.0–0 0–0 11.Qc2 d5 12.cd5 cd5 13.Nd5 Nd5 14.Bd5 Bb4 15.Bb7 Ra7 16.Be4 g6 17.Rac1 a5 18.d4 f6 19.Rfd1 Qe7 20.Qa4 Nb6 21.Qb3 Kg7 22.a3 Bd6 23.de5 Be5 24.Be5 Qe5 25.Qb6 Re7 26.Bf3 Rb8 27.Qc5 Qc5 28.Rc5 Ra7 29.Rdc1 Rd8 30.Rc7 Rc7 31.Rc7 Kh6 32.Ra7 Rd6 33.Ra5 f5 34.a4 Rb6 35.Rb5 Ra6 36.a5 Kg5 37.Bb7 Ra7 38.a6 1–0. purplegadge (1680) – aramis, gameknot.com, 2014.

6.Be2 c6 7.Nc3 h6 8.Qc2 Bd7 9.0–0+= 0–0 10.d4 ed4 11.Nd4 Qc8 12.Rfd1 d5 13.a3+/– dc4 14.Bc4 Bg4 15.Be2 Be2 16.Qe2 c5 17.bc5 Bc5 18.Rac1 b6 19.Na4+– Nbd7 20.Nb3 Qc6+/– 21.Nac5 bc5 22.Bf6+– Nf6 23.Rc5 Qa4+/– 24.Qc4 Qa3+= 25.Ra5 Qb2 26.Nd4 Rfc8 27.Qf1 Ne4 28.f3 Qc3= 29.Qe1 Nf6 30.Qc3 Rc3 31.Kf2 g6? 32.Rda1+/– Re8 33.e4 Rd8 34.Ne2 Rc2 35.Ra6 Rdd2 36.Re1 Kg7 37.Raa1 Nd7 38.Rad1 Ne5 39.Rd2 Rd2 40.Kf1 h5 41.Nc3 Rc2 42.Nd5 Nd3 43.Rd1 Rc1 44.Rc1+– Nc1 45.Kf2 Nd3 46.Ke3 Ne5 47.h3 Nd7 48.Kd4 f6 49.Nf4 Kf7 50.Kd5 h4+/– 51.Nd3 g5 52.e5 Nf8 53.ef6 Kf6 54.Nf2 Kf5 55.Ne4 Ng6= 56.Nd6 Kf4 57.Nf7 Ne7 58.Ke6 Nf5 59.Kf6 Ne3 60.Ng5 Ng2 61.Kg6 Kg3 62.Ne4 Kf3 63.Nd6 Ne3 64.Kh5 Kg3 65.Ne4 Kh3 (65...Kh3 66.Ng5 Kg3 67.Ne4 Kf4 68.Kh4 Ng2 69.Kh5 Ne1=). Toth,T – Lendak,L, Sarospatak, 2000.

6.Be2 Nc6 7.a3 Bg4 8.d3 h6 9.0–0 b5 (9...0–0 10.Nc3=) 10.Nd4 ed4 11.Bg4 de3 12.fe3 Ng4 (better is 12...Ne5!? 13.Bf3 Nf3 14.Qf3 0–0+/–) 13.Qg4+– Ne5 14.Be5 de5 15.Qe4 (15.Qg7 Rf8 16.Qh6 Qd7+–) 15...f6 (15...0–0 16.Nc3+/– (worse is 16.Qe5 Re8 17.Qf5 Bf6+=)) 16.c5 (16.cb5!? ab5 17.Qc6 Kf7 18.Qb5+/–) 16...0–0+/– 17.Nc3 Qd7 18.Nd5 Rfd8 19.Ne7 Qe7 20.d4 Rd5?? (better is 20...a5+=) 21.Qd5+– (21.Qd5 Kh7 22.Qe4 Kg8 23.Qa8 Kh7 24.Qa6 ed4 25.ed4+–) 1–0. Fournier,Frederic – chuco, Active, 2008.

6.Be2 Bf5 7.Nc3 0–0 8.d4 Nc6 9.a3 Qd7 10.d5 Nd8 11.Nd2 c6 12.e4 Bg6 13.0–0 h6 14.f4 ef4 15.Rf4 Nh7 16.Bg4 f5? 17.ef5+– Bf5 18.Bf5 Rf5 19.Qg4 Bg5 20.Qf5 Qf5 21.Rf5 Bd2 22.h4 Nf7 23.dc6 bc6 24.Ne4 Be3 25.Kf1 Bb6 26.Ke2 Re8 27.Kd3 Nf8 28.Rf7! (28.Rf7 Kf7 29.Nd6 Ke7 30.Ne8 Ke8 31.Bg7+–) 1–0. Roczniak,Jan – Plecha,W, Poland (year?).

6.Be2 0–0

7.0–0 Bg4 8.h3 Bh5 9.Nc3 Nbd7 10.Re1 h6 11.d3 Rc8 12.a4 c6 13.b5 ab5 14.ab5 Ra8 15.Qc2 Qc7 16.Rec1 Bg6= 17.Qd1 c5 18.Nd2 Nb6 19.Na4 Na4= 20.Ra4 Ra4 21.Qa4 b6 22.Ra1+= Rb8 23.Qb3 Ne8 24.Bf3 f5 25.Bd5+/– Bf7 26.Bc6 Nf6 27.Ra4 Be8 28.Bf3 Bg6 29.Qa2 Kf8 30.Ra7 Qd8 31.Bc6 Be8 32.Bf3 g5 33.Qa1 Bf7 34.Bc6 Be6 35.d4 ed4 36.ed4 d5 37.Qe1 Bf7 38.Qe5 dc4 39.dc5 bc5 40.Re7! Ng8 41.Rd7 (41.Rd7 Qd7 42.Bd7+–) 1–0. Kramer – Scheurer, DDR, 1988.

7.a4 h6 8.d3 b6 9.0–0 Bb7 10.Nc3 Nc6 11.Qb3 Rb8 12.Nd5 Na7 13.d4 Bd5 14.cd5+/– e4 15.Nd2 c6 16.dc6 Nc6 17.d5 Na7 18.Ba6 Qd7 19.f3 ef3 20.Nf3 Qf5 21.Bc4 Rbc8 22.Bd4 Rc7 23.Bb6 Rb7 24.a5 Nc8 25.Bd4 Na7 26.Ba6 Rc7 27.b5 Nb5 28.Bb5 Rb8 29.Bb6 Rcb7 30.Bc6 Rb6 31.ab6 Bd8 32.b7 Nd7 33.Ra8 Bc7 34.Nd4 Qf6 35.Rf6 Nf6 36.Nb5 Ne4 37.Nc7 Nc5 38.Rb8 Kh7 39.Qc2 g6 40.Qc3 Nb7 41.Qh8 1–0. guest4456 – dogor, ICC, 2005.

7.Qc2 Bg4 8.d4 ed4 9.Nd4= Be2 10.Ne2 Re8 11.Nd2 Nbd7 12.0–0 Nf8 13.Nf3 Ng6 14.Ng3 Bf8 15.Rfd1+= Qe7 16.Bf6 Qf6 17.Rac1 Qe6 18.Ng5 Qe5 19.Rd5+/– Qe7 20.h4 c6 21.Rd4 h6 22.Nf3 Ne5= 23.Nh2 Qc7 24.Rcd1 Rad8 25.a3 c5=+ 26.Rf4 cb4–/+ 27.ab4 b5 28.Qf5 bc4–+ 29.Ng4 Ng4 30.Qg4 d5 31.Nf5 Re6 32.Nd4 Rg6–+ 33.Qf3 Bb4 34.h5 Rg5 35.Nf5 Bd6 36.Rh4 Bf8 37.Qh3 Be7 38.Ne7 Qe7 39.f4 Rf5 40.Qf5 Qh4 41.Qe5 Qg4 42.Ra1 Qe6 43.Qd4? g6 44.hg6 Qg6 45.Ra5 Qe6 46.Ra3 Kh7 47.Ra5 Rd7 48.Rc5 Rd6 49.Rc7 Rc6 50.Rb7 c3 51.Qd3? Kg7 52.Rb1 Qe4 53.Qe4 de4 54.Kf2 c2 55.Rc1 f5 56.Ke2 Kg6 57.Kd2 Kh5 58.Rh1 Kg4 59.Kc1 Kg3 60.Rh5 Kg2 61.Rf5 Kf3 62.Re5 Ke3 63.f5 Rc7 64.Re6 Kf4 65.f6 Rf7 66.Ra6 Kf5 67.Ra5 Kf6 68.Kc2 Re7 69.Kd2 ½–½. Ruck,Helmut – Schiering,Manfred, Wien AUT, 2006.

7.Nc3= Nc6 8.Qb3 h6 9.d4 ed4 10.ed4 Bg4 11.Rd1 d5 12.c5 Re8 13.0–0 Bf8 14.Bc1 Ne7 15.Ne5 Be2 16.Ne2 c6 17.Nf4 b6 18.Qf3 bc5 19.bc5 Ne4 20.Rd3 Ng5 21.Qd1 g6 22.h4 Ne4= 23.f3 Ng3 24.Kf2?? Nf1–+ 25.Kf1 Bg7 26.g4 Be5 27.de5 Nc8 28.Qa4 Qh4 29.Qc6 Ne7 30.Qf6 Qf6 31.ef6= Nc6 32.Nd5 Kh7 33.Nc7 Rad8 34.Rd6 Rd6 35.cd6 Rd8 36.Bf4 g5 37.Bg3= a5 38.Ke2 Kg6=+ 39.Nd5 Nd4–/+ 40.Ke3 Nb5 41.Ne7 Kf6 42.Nf5 Ke6 43.Nh6 Nd6–+ 44.Bd6 Rd6 45.Nf5 Rb6 46.Nd4 Kd5 (46...Kd5 47.Nb3 Rc6–+) 0–1. Helbing,H – Csoma,R, DDR, 1984.

5.Nf3 b6

6.b5 e4 7.Nd4 0–0 =+.

6.Qc2 0–0 7.a4 Be6 8.Ng5 Qd7 9.f4 ef4?? 10.Bf6+– g6 11.Be7 Qe7 12.Ne6 Qe6 13.e4 Re8 14.Nc3 Nc6 15.Rb1 f5 16.Bd3 Nd4 17.Qa2 f3 18.gf3 Nf3 19.Kf2 Ng5? 20.c5 Qa2+/– 21.Na2 Ne4 22.Be4 Re4 23.cd6 cd6 24.Rhe1 Rae8 25.Re4 Re4 26.Re1 Re1 27.Ke1 Kf7 28.Nc3 Ke6 29.Ke2 Ke5 30.Ke3 a6 31.d4 Ke6 32.Kf4 Kf6? 33.Nd5+– Ke6 34.Nb6 h6 35.h4 Kf6 36.Nd7 Ke7 37.Nb8 Ke6 38.Na6 Kd5 39.b5 (39…g5 40.hg5 hg5 41.Kg5+–) 1–0. Irene – JuliusCaesar, playchess.de, 2003.

6.d3 Bb7 7.Be2 Nbd7 8.0–0 0–0 9.Nbd2 c5 10.b5 a6 11.a4 a5 12.h3 Ne8 13.d4 f6 14.d5 f5= 15.e4 f4 16.Nh2 Nef6 17.Ng4 Ng4 18.Bg4+= Nf6 19.Be6 Kh8 20.Nf3 Bc8 21.Ng5+/– Be6? 22.Ne6+– Qd7 23.Nf8 Rf8 24.Qd3 g5 25.Bc3 g4 26.hg4 Qg4+/– 27.f3 Qg5 28.Qc2 Rg8 29.Rf2 Qh6 30.Kf1 Nh5 31.Ke2 Bh4= 32.Kd3 Bf2 33.Qf2 Ng3 34.Rg1 Qh2 35.Rb1? Nh1?? 36.Qg1?? Qg1–/+ 37.Rg1 Ng3?? 38.Be1= Rg6 39.Bg3 Rg3 40.Ke2 Rg6 41.Kf2 Kg7 42.Rh1 Rg3 43.Rh3 Rh3 44.gh3 Kg6 45.Kg2 Kg5 46.Kh2. hal1958 – sidarta, playchess.de, 2002.

6.d3 d5 7.a3 e4 8.de4 de4 9.Qd8 Bd8 10.Nfd2 Bb7 11.Nc3 0–0 12.Be2 Re8 13.0–0 Nbd7 14.Rfd1 c5 (14...Ne5!?+=) 15.Nce4!+/– Be4 (15...Be4 16.Ne4 Combination; 15...Re4 16.Bf3 Decoy; 15...Ne4 16.Ne4 Combination) 16.Ne4 Re4 17.Bf3 Nf8 18.Rac1 Rc8 19.Bf6 Re8 20.Bd8 Rcd8 21.bc5 bc5 22.Rd5 Rd5 23.cd5 Rb8 24.h3 Rb5 25.a4 Ra5 26.d6 Nd7? (better is 26...Ra6+–) 27.Bc6 Ne5 (27...Nf8 28.d7 Nd7 29.Bd7+–) 28.Bb5 a6 (28...f6 29.Rc5 Kf7+–) 29.Rc5 ab5 30.Rc8 1–0. Fournier,Frederic (2370) – April (1680), echecsemail.com, 2008.

6.Be2 Nbd7 7.0–0= c5 8.b5 0–0 9.d4 Qc7 10.d5 a6 11.a4 Bb7 12.Nc3 Qc8 13.e4 Nh5 14.Nd2 Nf4= 15.Nf3 Qd8 16.Bc1 Ne2 17.Ne2 ab5=+ 18.cb5 f5 19.ef5 Rf5 20.Ng3 Rf7 21.Ne4 h6 22.Ra3 Nf6=+ 23.Nf6 Rf6 24.Re3 Rf4=+ 25.Ra3 Rf6 26.Re1 Qf8 27.Re4 Rg6 28.Nh4 Bh4=+ 29.Rh4 Qf7 30.Rd3 Rf8 31.Be3 Bc8 32.h3 Qf6=+ 33.Rh5 Bd7 34.f3? Be8 35.Bf2? Rg2!–+ 36.Kg2 Bh5 37.Qe2 Re8 38.Qe3 Qg6 39.Bg3 e4 (40.fe4 Re4–+) 0–1. Dopper,Johan – Verduyn den Boer,Jan, 1994.

6.Be2 e4 7.Nd4 =+.

6.Be2 Bg4 7.h3 Bh5 8.0–0 0–0 9.b5 Nbd7 10.d4 Rc8 (10...e4 11.Nfd2 Be2 12.Qe2+=) 11.Nc3 (11.de5 Bf3 12.ed6 cd6 13.Bf3 Rc4+/–) 11...h6 (11...c6 12.bc6 Rc6 13.Qd3=) 12.Ne1 Be2 13.Ne2 Nh7 (13...c6!?=) 14.Nd3+/– f6 15.Nb4 Nb8 16.Qa4 c5 17.bc6 Nc6?? (better is 17...a5 18.Nd5 Rc6+/–) 18.Nc6+– Qd7 19.d5 (19.Qa7?! Qc6 20.de5 Rc7+–) 19...Ra8 20.Qb5 Bd8 21.Nd8 (21.f4 Re8+–) 21...Qb5 (21...Rfd8 22.f4+–) 22.cb5 Rad8 23.Rfc1 Rc8 (23...f5 24.Rc7+–) 24.Rc6 Rc6 25.bc6 Rc8 26.Ba3 1–0. Fischbach,Rainer (1670) – Nittschalk,Karl, Leipzig VfB op, 2006.

6.g3 Bb7 7.Bg2 0–0 8.0–0 Na6 9.a3 c5 10.Qb3 cb4 11.ab4=+ Qd7 12.Rd1 Rfc8 13.c5?? bc5–/+ 14.Ng5 Bf8?? 15.Bh3=+ Ng4 16.Bg4 c4?? 17.Bd7 cb3 18.Bc8 Rc8 19.b5 Nc5 20.Ra7 Be7 21.Rc1 (21.Rc1 Bg5 22.Rb7+–; better is 21.d4!? ed4 22.ed4 Na4 23.Rb7 Bg5+–) 1–0. Wall,Bill – Holsapple,Boyd, Dayton, OH, 1981.

6.g3 e4 A) 7.Nd4 c5 8.Nc2 Nc6 9.b5 Ne5 10.Be2 a6 11.ba6 Ra6 12.0–0–/+ Nd3–/+ –0.94/9; B) 7.Ng1 0–0 8.f3 d5 9.Bf6 Bf6 10.Nc3 Bb7 11.cd5 Bd5 12.Bg2 Nc6–/+; C) 7.Nh4 0–0 8.Nc3 C1) 8...d5 9.a3 C11) 9...dc4 10.Bc4 a5 11.b5 c6 12.d3 cb5=+; C12) 9...c6 10.cd5 cd5 11.d3 a5 12.b5 Nbd7=+; C2) 8...c6 9.b5 cb5 10.cb5 d5 11.d3 Nbd7 12.de4 de4=+.

6.d4 0–0

7.a3 A) 7...e4 8.Nfd2 c6 9.d5 Bf5 10.Nc3 a5 11.Qb1 ab4 12.ab4=Ra1=; B) 7...ed4 B1) 8.Qd4 Nc6 9.Qd2 a6 10.Be2 Bb7 11.Nc3 Ne5 12.Nd5 c6=; B2) 8.Bd4 c5 9.Bb2 d5 10.bc5 bc5 11.cd5 Nd5 12.Bd3 Bf6=; B3) 8.Nd4 c5 9.bc5 bc5 10.Nf3 d5 11.Nc3 Be6 12.cd5 Nd5=.

7.b5 =.

7.Nc3 ed4 8.Nd4 c5 9.Nc2 Bb7 10.Rb1 Re8 11.Nd5 Nd5 12.cd5= Bf6 =.

7.d5 a5 8.b5 a4 9.Be2 Bf5 10.0–0 Nbd7 11.Nh4 Bb1 12.Rb1= Nd5 =.

7.d5 c5 8.dc6 Nc6 9.b5 Na5 10.Nbd2 Qc7 11.Be2 a6 12.0–0 Bf5 =.

7.d5 c6 8.dc6 Nc6 9.b5 Na5 10.Nbd2 Bf5 11.Be2 a6 12.ba6 Qc7 =.

7.d5 Bf5 8.Be2 A) 8...a5 9.b5 Nbd7 A1) 10.Nc3 Nc5 11.0–0 a4 12.Ba3= Nfd7=; A2) 10.Nh4 Be4 11.Nd2 a4 12.0–0 a3=; B) 8...c5 9.dc6 Nc6 10.a3 e4 11.Nd4 Nd4 12.Qd4 d5=.

6.d4 ed4

7.ed4 d5 8.c5 0–0 9.Be2 c6 10.Nc3 Nbd7 11.0–0= b5 12.a4+/– a6? 13.ab5+– cb5 14.Bb5! Rb8 15.Ba6 Rb4 16.Ba3 Rb8 17.Bd3 Qa5 18.Qc2 Bb7 19.Rfb1 Bc6 20.Bc1 Qc7 21.g3 Ra8 22.Bf4 Qc8 23.Nb5 Nb8?? 24.Ra8 Ba8 25.Na7 Qg4 26.Qe2 Nc6 27.Nc6 Bc6 28.Ne5 Qe2 29.Be2 Ba8 30.c6 Bd6 31.Rc1 Bc7? 32.Bf3 h6 33.g4 Rd8 34.g5 hg5 35.Bg5 Kf8 36.Nd7! Ke7 37.Bd5 Rd7 38.cd7 Kd7 39.Ba8 Ne8 40.Bc6 Kd6 41.Be8 (41.Be8 f6 42.Bf4 Ke7 43.Rc7 Ke8 44.Rg7 Kf8 45.Rc7 Ke8 46.h4 Kf8 47.h5 Kg8 48.h6 Kh8 49.h7 f5 50.Be5#) 1–0. Adams,Jonathan (1625) – Win,KS, NZL–ch Major op, 1999.

7.ed4 0–0

8.Be2 Bb7 9.d5 a6 10.0–0 c6 11.Nc3 A) 11...Re8 A1) 12.Re1 cd5 13.cd5 Nbd7 14.b5 Nc5 15.Nd4 Qd7 16.ba6+=; A2) 12.Rc1 cd5 13.cd5 b5 14.Nh4 a5 15.a3 ab4 16.ab4+=; B) 11...cd5 12.cd5 Nbd7 13.Re1 Rc8 B1) 14.Qd4 Ne5 15.Nd2 Nfd7 16.b5+=; B2) 14.Rc1 Re8 15.b5 ab5 16.Bb5+=.

8.Be2 Bb7 9.d5 a6 10.0–0 Re8 11.Nc3 c6 A) 12.Re1 cd5 13.cd5 Nbd7 14.b5 Nc5 15.Nd4 Qd7 16.ba6+=; B) 12.a4 a5 13.b5 cd5 14.cd5 Nbd7 15.Re1 Rc8 16.Rc1+=; C) 12.Qd2 cd5 13.cd5 Nbd7 14.Rfe1 Ne5 15.Rad1 Nfd7 16.Ne5+=; D) 12.a3 cd5 13.cd5 Nbd7 14.Qd4 Ne5 15.Rfe1 Rc8 16.Rad1=; E) 12.Qd4 c5 13.bc5 dc5 14.Qd2 b5 15.cb5 Nd5 16.Nd5+=; F) 12.Rc1 cd5 13.cd5 b5 14.a4 a5 15.Nb5 Nd5 16.Bc4+/–.

8.Be2 Bb7 9.d5 a6 10.a4 c5 11.b5 Nbd7 12.0–0 ab5 13.ab5 Ne4 14.Nbd2 Ndf6 15.Qc2 Nd2 16.Nd2 Qd7 17.Ne4 Qf5?? 18.Nf6+– (18.Nf6 Qf6 19.Bf6 Bf6 20.Ra8 Ra8 21.Re1+–) 1–0. Nielsen,Joergen Axel – Hansen,B, Randers Denmark, 1974.

8.Be2 Bb7 9.d5 a6 10.Nc3 c6 11.0–0 A) 11...Re8 12.Re1 cd5 13.cd5 Nbd7 14.b5 A1) 14...Nc5 15.ba6 Na6+= 16.Bb5+/–; A2) 14...Qc8 15.Nd4 Nc5 16.ba6+=; B) 11...cd5 12.cd5 Nbd7 13.Re1 Ne5 14.b5 Nf3 15.Bf3 Re8 16.Be2+=.

8.Be2 Bb7 9.d5 a6 10.Nc3 c6 11.Rc1 A) 11...Qd7 12.0–0 Re8 13.Re1 Qf5 14.Bd3 Qf4 15.Ne2 Qg4 16.Ng3+/–; B) 11...c5 12.bc5 dc5 13.Qc2 Re8 14.0–0 Qd6 15.Rfe1 Nbd7+= 16.Bd3+=; C) 11...Nh5 12.Qd2 Re8 13.0–0 Bf6 14.Rfe1 cd5 15.cd5 Nd7+= 16.a3+=; D) 11...Re8 12.0–0 cd5 13.cd5 b5 14.Nh4 Nbd7 15.Nf5 Ne5+= 16.Qd2+=; E) 11...Ng4 12.0–0 Re8 13.Re1 Bf6 14.Qd2 Ne5 15.Ne5 de5 16.Rcd1+/–; F) 11...cd5 12.cd5 F1) 12...b5 13.0–0 Nbd7 F11) 14.Rc2 Nb6 15.Rd2 Re8 16.Re1=; F12) 14.Qb3 Nb6 15.Nd4 Nbd5 16.Bf3+/–; F2) 12...Nbd7 13.0–0 b5 14.Rc2 Nb6 15.Rd2 Rc8 16.Re1=.

8.Be2 Bb7 9.d5 a6 10.Nc3 Re8 11.0–0 A) 11...c6 12.Re1 cd5 13.cd5 Nbd7 14.b5 ab5 15.Bb5 Ra5 16.a4+/–; B) 11...Qd7 12.Re1 c6 13.Qd3 cd5 14.Nd5 Nd5 15.cd5 Qa4+= 16.Qf5+=.

6.d4 e4

7.Nfd2+= Bb7 8.Nc3 d5 (8...0–0+=) 9.c5 (9.cd5 0–0 10.Qb3+= (worse is 10.Nde4 Ne4 11.Ne4 Bd5=)) 9...c6 (9...0–0 10.Qb3+=) 10.Be2= Bc8 (10...0–0 11.0–0=) 11.h3 (11.0–0 0–0+=) 11...Be6 12.Qa4 (12.f3!? ef3 13.Nf3= (worse is 13.gf3 0–0+=)) 12...b5= 13.Qa5 Qd7 (13...Qa5 14.ba5 b4 15.Na4=) 14.Qa3 Bd8 (14...0–0 15.0–0+=) 15.Qb3 (15.f3!? ef3 16.Nf3= (worse is 16.gf3 a5–/+)) 15...a5= 16.a3 a4 17.Qc2 Bc7 18.0–0–0 (18.0–0 Bh3 19.f3 ef3 20.Bf3 Be6+=) 18...Na6 (18...0–0 19.g4+=) 19.Kb1 Bf5 (19...0–0 20.g4=) 20.Ka2 (20.g4 Bg6=) 20...h6 21.g4 Bh7 (21...Be6 22.f4 ef3 23.Nf3=) 22.Rdg1 g5 (22...Bg6 23.h4=) 23.h4+= 0–0–0? (better is 23...0–0!?+=) 24.Nb5 cb5 25.c6 Qd6 (better is 25...Qe6!? 26.Bb5 Nb8 27.Qa4 Rdg8 28.hg5 Ng4+/–) 26.Bb5+– Nb4? (better is 26...Nb8 27.Qa4 Rdg8+–) 27.ab4 Qb4 (27...Rdg8 28.Qa4 Kd8 29.hg5 hg5+–) 28.Ba6 Kb8 29.Bc3 Qb6 30.Rb1 Ka7 31.Rb6 (31.Qa4 Kb8 32.Ba5 Rhe8 33.Bb6 Bb6 34.c7 Kc7 35.Rhc1 Bc5 36.Rc5 Kd6 37.Rc6 Ke7 38.Qb4 Rd6 39.Qd6) 31...Kb6 32.Rb1 Kc6 33.Ba5 Kd6 34.Qc7 Ke6 35.Rb6 Rd6 36.Rd6# 1–0. Tagirov,Kajum K (1865) – Kovalenko,Sergei, Roschinsky Open, 2010.

7.Nfd2 c5 8.Qa4 (8.Qc2 Bf5 9.bc5 dc5 10.d5 Bd6 11.Nc3 Be5 12.0–0–0+=; 8.Nc3 Bf5 9.bc5 dc5 10.d5 Bd6 11.Qc2 Be5 12.0–0–0+=; 8.b5 a6 9.Qc2 Bf5 10.Be2 ab5 11.cb5 Nbd7 12.0–0=; 8.a3 0–0 9.Nc3 Bf5 10.d5 cb4 11.ab4 a5 12.ba5+=) 8...Bd7 9.b5 Bf5 10.Be2 0–0 11.0–0 Nbd7 12.d5 +=.

7.Nfd2 c6 8.Nc3 Bf5 9.d5 0–0 10.Qb1 Na6 11.a3 cd5 12.cd5 +=.

7.Nfd2 Bf5 8.b5 (8.Be2 d5 9.cd5 0–0 10.a3 Nd5 11.Qc2 Bg5 12.Nf1+=; 8.Qa4 Qd7 9.Qd7 Nbd7 10.Be2 0–0 11.0–0 c6 12.f3=) 8...Nbd7 (8...a6 9.Qa4 0–0 10.Be2 Nbd7 11.ba6 Qc8 12.Qb5=) 9.Be2 (9.Nc3 a6 10.ba6 Ra6 11.Qc2 Ra5 12.Nde4+/–) 9...0–0 (9...a6 10.g4 Bg6 11.g5= Ng8 12.Nc3=) 10.0–0 (10.g4 Bg6+/– 11.h4 h6 12.Nc3+/–) 10...Rc8 (10...a6!?= 11.f3 ab5 12.fe4=) 11.Nc3+/– c5 12.Nb3 Re8? 13.a4 Qc7? 14.a5 h6+= 15.Qd2 Bd8 16.ab6 ab6 17.Ra6 Nb8 18.Ra8 Qe7 19.Rfa1 Bc7 20.R8a7 Qd8 21.Rb7 Nbd7 22.Raa7 Bb8 23.Ra6 Rc7 24.Rc7 Qc7 25.Na4 d5= 26.g3 dc4 27.Bc4 cd4 28.Qd4 Ne5 29.Be2 Qc2 30.Bd1?? Nf3–+ 31.Bf3 ef3 32.Nd2 Qd1 33.Nf1 Bd3 34.Qd3 Qd3 35.Rb6 Ne4 36.Bd4 Qe2 (36...Qe2 37.h4 Qf2 38.Kh1 Qg2#) 0–1. Tilp,Andreas – Mueller, corr, 1987.

6.Be2 Bb7

7.0–0 0–0 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 b6 7.0–0 Bb7).

7.0–0 Nbd7 8.a3 0–0 9.d4 e4 10.Nfd2 c5 11.d5 Re8 (11...b5 12.Nc3 bc4 (12...cb4 13.ab4 bc4 14.Nde4 Qb6 15.Ra4 Rac8 16.Nd2 Ne5+= 17.e4 a6+/–) 13.Nde4 cb4 14.ab4 Qb6 15.Ra4 (15.Qa4 Ne5 16.Nf6 Bf6+= 17.e4 Rfc8+=) 15...Rfc8 16.Ng3 Ne5 17.Nf5 Bf8+/–; 11...cb4 12.ab4 b5 13.Nc3 bc4 14.Nde4 Qb6 15.Ra4 (15.Qa4 Ne5 16.Nf6 Bf6+= 17.e4 Rfc8+=) 15...Rac8 16.Nd2 Ne5 17.e4 a6+/–) 12.Nc3 Bf8 13.Qc2 Qe7 14.b5 g6 15.a4 Bg7 16.a5 Bh8 17.Rfe1 Bg7 18.Rf1 Bh6 19.Ra2 ba5 20.Ra5 Nb6 21.Rfa1+– Nc8 22.Bd1 Bg7 23.Qb3 Qd7 24.Bc2 Qf5 25.f3 Qg5 26.Nce4 Ne4 27.Ne4 Re4 28.Be4 Bb2 29.Qb2 Qe3 30.Kf1 Qg5 31.Qe2 Qd8 32.R5a3 Kf8 33.f4 Qf6 34.Qf2 Kg7 35.g4 h6 36.h4 Qe7 37.Re1 Qd8 38.f5 Nb6 39.fg6 fg6 40.Rf3 Qd7 41.Bd3 a5 42.Re6 Qe6 43.de6 Bf3 44.Qf3 Rf8 45.Bf5 Kg8 46.e7 Re8 47.Be6 (47.Be6 Kh8 48.Qf6 Kh7 49.Qf7 Kh8 50.Qg6 Re7 51.Qg8#) 1–0. Labahn,Wolfgang – Filor,E, Espelkamp Pokalturnier, 1981.

7.0–0 Nbd7 8.d4 ed4 9.Nd4 c5 10.Nf5 0–0 11.Nd6 (11.b5 Ne5 12.f4 Ng6 13.Bf3 Bf3 14.Qf3 Qd7 (14...a6 15.Nc3 Qd7 16.e4 Rfe8 17.ba6+=) 15.e4 Qe6+= 16.Nd2 a6 17.ba6+=) 11...Bd6 12.Qd6 Ne4 13.Qd3 cb4= 14.Qb3 a5 15.Rd1 Qg5 16.g3 Ndc5 17.Qc2 Rad8 18.Nd2 Nd2 19.Rd2=+ Rd2 20.Qd2 Rd8 21.Qc2 Be4–/+ 22.Qc1 Nd3 23.Bd3 Bd3 24.Bd4 Rc8 25.Qd2 Bc4 (25...Bc4 26.Bb6 Qb5=+). Ngo T Thanh,Tra – Pham Thi Hoa1, VIE–ch U13 Girls, 2000.

7.a3 Qd7 8.0–0 0–0 9.d3 h6 10.Nbd2 Qe6 11.d4+= ed4 12.Nd4 Qd7 13.Bf3 Nc6 14.b5 Na5 15.Bb7 Nb7 16.Qf3 Nc5 17.Rad1 a6 18.Nc6 ab5 19.cb5+/– Nd3 20.Ne7 Qe7 21.Bf6 Qf6 22.Qf6 gf6 23.Ne4 Ra3= 24.Nf6 Kg7 25.Nd5 Rc8 26.Ra1 Ra1 (26...Ra5 27.Ra5 ba5 28.Ra1+/–) ½–½. Hasler,Ulrich – Meier,Karl, CiF, 1990.

5.Nf3 c6

6.a4 Be6 7.Nc3 0–0 8.Be2 Nbd7 9.d4 ed4 10.Nd4 d5 11.Ne6 fe6 12.b5 Qc7 13.0–0 Nc5 14.Qc2 Bd6 15.h3 Rf7 16.Bf3 Raf8 17.bc6 bc6 18.cd5 Nd5 19.Ne4 Ne4 20.Be4 Ne3=+ 21.Bh7 Kh8 22.Qg6 Nf1 23.Qh5 Ng3 24.fg3 Rb8 25.Bc3 Bg3?? 26.Bg6+– Kg8 27.Qh7 Kf8 28.Bg7!! Rg7 29.Rf1 Bf4 30.Qh8 Ke7 31.Qg7 (31.Qg7 Kd8 32.Qf8 Kd7 33.Rd1 (< 33.Qf4 Qf4 34.Rf4 Kd6+–) 33...Bd6 34.Qf7 Kc8 35.Qe6 Qd7 36.Rd6 Qe6 37.Re6+–) 1–0. Zschalich,A – Eck,W, corr DDR–ch M736, 1988.

6.a4 Bg4 7.Be2 Nbd7 8.0–0 Nb6 9.a5 Nbd7 10.d4 Bf3 11.Bf3 ed4 12.a6 de3 13.ab7 ef2 14.Rf2 Rb8 15.Bf6 Bf6 16.Qd6 Ba1 17.Bc6+– Be5?? 18.Bd7 Qd7 19.Qe5 (19...Qe6 20.Qb8 Ke7 21.Qc7 Qd7 22.Re2 Kf6 23.Qd7 Re8 24.Qd6 Re6 25.Qf4 Kg6 26.Re6 fe6 27.b8Q h6 28.Qe8 Kh7 29.Qe4 g6 30.Q4g6#) 1–0. orane (2070) – rts28, Live Game Caissa's Web, 2004.

6.Nc3 Nbd7 7.d4 (7.Be2 0–0 A) 8.a3 e4 (8...a5 9.0–0 ab4 10.ab4 Ra1 11.Qa1 Qc7=) 9.Nd4 Ne5 10.d3 c5 11.Nc2 ed3=+; B) 8.0–0 e4 9.Nd4 Ne5 10.d3 c5 11.Nc2 ed3=) 7...Qb6 (7...e4 8.Nd2 d5 9.Qb3 Nb6 10.c5 Nbd7 11.Be2 0–0=) 8.a3 e4 (8...a5 9.b5 0–0 10.Bd3 Re8 11.0–0 Qc7+=) 9.Nd2 d5 10.f3 (10.Qb3 a5 11.cd5 ab4+=) 10...ef3 11.Qf3 dc4 12.Bc4 Nf8 13.0–0 Be6 14.Qg3 Bc4 15.Nc4+/– Qa6? 16.Qg7+– Rg8 17.Nd6!! Kd8 18.Qf7 N8d7 19.Rf6! Nf6 20.Nf5 Re8 21.Ne7 1–0. Buss,Michael – Godfrey,Joaquim, USCF89CA156, 1989.

6.Nc3 Bg4 7.Be2 Qd7 8.0–0 e4 9.Nd4 d5 10.a3 a6 11.Bg4+= Ng4 12.cd5 Nf6 13.dc6 bc6 14.Qc2+– Qg4 15.f3 ef3 16.Rf3 c5 17.Nf5 Nc6?? 18.Rg3+– Qc4 19.d3 (19.d3 Qg4 20.Rg4 Ng4 21.Nd5+–) 1–0. Merten,Rainer – Fiedler, corr SOK–90–60, 1990.

6.d4 e4 7.Ng5 d5 8.cd5 cd5 9.Bb5 Nc6 10.Qa4 Bd7 11.Nc3 Bb4 12.Bc6 Bc3 13.Bc3 Bc6 14.Qb4 Qd7 15.Kf1 a5 16.Qc5 Bb5 17.Kg1 Rc8 18.Qb6 Rc3 19.Qa5 Rc2 20.h4 0–0 21.g3 Bc4 22.Kg2 Ng4 23.Nh3 Ne3 24.Kg1 Ng4 25.Nf4 Nf2 26.Rh2 e3 27.h5 g5 28.Ng2 Nh3 29.Rh3 Qh3 0–1. guest33 – guest509, ICC, 1999.

6.Be2 h6 7.Nc3 0–0 8.Qc2 Re8 9.a4 Nbd7 10.d4 e4 11.Ne4 Ne4 12.Qe4 d5 13.Qc2 Bb4 14.Kf1 (14.Bc3 Bc3 15.Qc3 Nf6=) 14...Bd6 15.cd5 cd5 16.g3 Nf6 17.Kg2 Ne4 18.Qb3 Be6 19.Bb5 (19.Qb7? Rb8 20.Qa7 Rb2–+) 19...Rf8 20.Ba3 Ba3 21.Qa3 Qf6 22.Rhc1?? (better is 22.Be2=) 22...Bh3!!–+ 23.Kh3 Qf3 24.Qa2 (24.Ra2 Ng5 25.Kh4 g6 26.Qf8 Rf8 27.Be2 Qg2 28.Bf1 Nf3 29.Kg4 f5 30.Kf4 g5) 24...Ng5 25.Kh4 Qg2 (25...g6 26.Qe2 Qg2 27.Bd7 Qh2 28.Kg4 Qh5 29.Kf4 Ne6 30.Be6 fe6) 26.Kg4 (26.Bd7 Nf3 27.Kg4 f5 28.Bf5 h5 29.Kh5 Rf5 30.Kg4 Rg5 31.Kf4 Rf8) 26...f5 27.Kf4 Qe4 0–1. Morriss,Pete (2005) – Choong,Liong_On Mark (1920), Rijeka CRO, 2013.

6.Nc3 0–0

7.Be2 Qc7 8.0–0 h6 9.d4 Bf5 10.a4 Nbd7 11.a5 e4 12.Nh4 Bh7 13.f4 Ne8 14.Qe1 f5 15.g4 d5 16.Ba3 Ndf6? 17.g5+– hg5 18.fg5 g6 19.gf6 Nf6 20.Ng2 g5 21.Qg3 Bd6? 22.Qg5 Kh8 23.Qh4 Rf7 24.Rf5 Rg8 25.Rg5 Bh2 26.Kh1 Bg3 27.Rg8 Kg8 28.Qg5 Kf8 29.b5 Ke8 30.b6! ab6 31.ab6 Qb8 32.cd5 Bg8 33.Bh5 (33.Bh5 Qc8 34.Qg3+–) 1–0. Dumontelle,J – Deline,R, North Bay, 1984.

7.Be2 e4 8.Nd4 =+.

7.Be2 e4 8.Ng5 =+.

7.Be2 h6 8.Qc2 Bg4 9.h3 Bh5 10.0–0 Bg6 11.Bd3 e4? (better is 11...Bd3!? 12.Qd3 Nbd7=) 12.Ne4+/– Ne4 13.Be4 f5 (13...Be4!? 14.Qe4 Nd7+/–) 14.Bd3+– Nd7 (14...Na6+–) 15.Nd4 Ne5 (15...Bf6 16.Ne6 Qe7 17.Nf8 Rf8 18.Bf6 Qf6 19.f4+–) 16.Bf5 Bf5 17.Nf5 Bf6 18.d4 Ng6 (18...Nf7 19.e4 g6 20.Ne3+–) 19.Nh6! gh6 20.Qg6 Bg7 21.d5 Qe7 (21...Qg5 22.Qe6 Rf7 23.Bg7 Kg7 24.dc6+–) 22.dc6 bc6 23.Rad1 1–0. pereira – tsdfr, internet, 2016.

7.Be2 a5

8.a3 ab4 9.ab4 Ra1 10.Qa1 e4 =.

8.b5= c5 9.d4 e4 10.Nd2 cd4 11.ed4 d5 12.c5 Qc7 13.Nf1 Be6 14.Ne3 Nbd7 15.Qb3+= Nc5 16.dc5 d4 17.Ncd5 Qc5 18.Ne7 Qe7= 19.Nc4 d3 20.Bd1 Rfc8 21.Qa3+= Qd7 22.Nd2 Bg4? 23.Bg4 Qg4+= 24.0–0 Rc2 25.Rad1 Qe2 26.Bc1 e3 27.Nf3 ef2–/+ 28.Kh1 Re8 29.Qd3 Qd3–/+ 30.Rd3 Ra2 31.Be3 Ng4=+ 32.Bd4 Rae2–/+ 33.h3 Re1 34.Rd1 Rf1 35.Rf1 Ne3 36.Be3 Re3 37.Rf2 b6 38.Rd2 Kf8 39.Rd6 Re6 40.Rc6 g6 41.Rc7 a4 42.Nd4 Rd6+/– 43.Nc6 a3 44.Ra7 Rd5 45.Ra3 Rb5 46.Ra7 Rb1 47.Kh2 b5 48.Ra8 Kg7+/– 49.Rb8 Kf6 50.Rb6 Kg5 51.Nd4 b4 52.Kg3 h5? 53.h4+– Kh6 54.Kf3 Rf1 55.Ke2 Rb1 56.Rb8 Kg7 57.Nf3 Rb2+/– 58.Nd2 Kf6 59.Kd1 g5 60.Rb6 Kf5 61.Kc1 Ra2 62.Rb5 Kg4 63.Rg5 Kf4 64.Rh5 b3 65.Nb3 Ke3 66.g3 Kd3 67.Rf5 Rg2 68.Rf3 Ke4 69.Nd2 Rd2 70.Kd2 Kf3 71.h5 Kg3 72.h6 f5 73.h7 f4 74.h8Q f3 75.Ke3 (75…Kg4 76.Qf8+–) 1–0. Amor Alcaide,Manuel (2115) – Chamorro Perea,Antoni (2065), La Lira op Barcelona, 1995.

8.b5 e4 9.Ng5 d5 10.bc6 bc6 11.Rb1 =+.

8.b5 e4 9.Ng5 d5 10.d3 =.

8.b5 h6 9.Qc2 Bg4 10.0–0 Nbd7 11.h3 Bh5 12.d4 Bg6 13.Bd3 Bd3 14.Qd3 a4 15.Ba3 Nb6?? 16.de5+– Ne8 17.bc6 bc6 18.Rab1 Nc8 19.Rb7 de5 20.Qd8 Bd8 21.Bf8 Kf8 22.c5 Bf6 23.Rd1 e4 24.Ne4 Na7 25.Rdd7 Nb5 26.Nf6 gf6 27.Rf7 Kg8 28.Nh4 a3 29.Rbe7 Nc3 30.Ng6 (30.Ng6 Ne2 31.Kh2 Nd6 32.Rg7#) 1–0. pierre – palbowl, internet, 2009.

5.Nf3 Nc6

6.a3 a6 7.Be2 0–0 8.0–0 d5 (8...e4 9.Nd4=) 9.cd5 (9.Ne5 Ne5 10.Be5 dc4 11.Bc4 Bd6+/–) 9...Nd5 (9...Qd5 10.d4 e4 11.Ne5+=) 10.Nc3 (10.Ne5!? Ne5 11.Be5+/–) 10...Nf6 11.d3 Bg4 12.h3 Bh5 13.Nh2 Be2 14.Qe2 Bd6 15.Rfd1 Nd7 16.Ng4 f5 17.Nh2 Nf6 18.d4 ed4 19.ed4 Qd7 20.Nf3 Rae8 21.Qc2 Ne4 22.Ne4 fe4 23.Ne5 Qf5 (23...Ne5? 24.de5 b5 25.ed6 cd6 26.Rd4+–) 24.Nc6 bc6 25.Re1 Re6 26.Re2 Kh8 27.Rae1 Rfe8 28.Qc3 Qf4 29.g3 Qf5 30.Kg2 Rh6 31.h4 g5?? 32.d5+– Be5 33.Re4 Bc3 34.Re8 Kg7 35.Bc3 Kf7 36.R1e7 Kg6 37.Re6 Kh5 38.Re5 Qd3 39.Rg5 1–0. Fournier,Frederic (1680) – diestefano (1770), Active, 2007.

6.a3 Be6 7.d4 ed4 8.ed4 0–0?? (better is 8...d5=) 9.d5+– Nd5? (9...Qd7+–) 10.cd5 Bd5 11.Qd5 Re8 12.Be2 Ne5 (12...Bf6 13.Nc3+–) 13.Ne5 de5 14.Qd8 (14.Qd8 Rad8 15.Be5+–) 1–0. Fournier,Frederic – tort, Active, 2008.

6.b5 Nb4 7.a3 e4 8.ab4 ef3 9.Qf3 +=.

6.b5 Nb8 7.d4 Bg4 8.de5+/– de5 9.Qd8 Bd8 10.Ne5 Be6 11.Be2 0–0 12.Nc3 c6 13.Rd1 Bc7 14.Nf3 Nbd7 15.bc6 bc6+/– 16.Nd4 c5 17.Ne6 fe6+/– 18.0–0 Rac8 19.Rd2 Ne5 20.Rfd1 Rb8? 21.Nb5 Bb6 22.Be5 Rbd8 23.Rd8 Rd8 24.Rd8 Bd8 25.Na7 Ne4 26.Nc6 (26.Nc6 Bh4 27.f3+–) 1–0. Sopermi (2025) – rainman403 (2020), ajedrez21.com, 2001.

6.b5 Na5

7.Nc3 Nc4?? 8.Bc4+– Bg4 9.h3 Bf5 10.Qb3 0–0 11.Nd5 Nd5 12.Bd5 Rb8 13.d4 e4? 14.Nd2 Qe8 15.Be4 Be4 16.Ne4 c6 17.Nc3 b6 18.bc6 Qc6 19.0–0 a6 20.Rac1 Qd7 21.Nd5 Qe6 22.Ne7 Qe7 23.Qd1 a5 24.Qg4 Qf6 25.Rb1 Qe6 26.Qe6 fe6 27.f3 d5 28.e4 Rfd8 29.ed5 ed5 30.Bc1 b5 31.Bf4 Rb7 32.Rfe1 Kf7 33.Rec1 a4 34.Rc7 Rc7 35.Bc7 Rd7 36.Rb5 Rc7+= 37.Rd5 Rc1 38.Kh2 Ra1 39.Rd7 Kf6 40.Ra7 Ra2 41.Ra6 Kf7 42.d5 Rd2 43.Ra4+= Rd5 44.Re4 Rf5 45.Re3 Rf4 46.g3 Rb4 47.h4 h6 48.Kh3 h5 49.g4 Rb5 50.f4 hg4= 51.Kg4 g6 52.Re5 Rb4 53.Kg5 Rc4 54.f5 gf5= 55.Rf5 Kg7 56.h5 Rc6 57.Rd5 Kh7 58.Rd7 Kh8 59.h6 Rc5 60.Kg6 Rc6 61.Kf7 ½–½. valpa – errantknight, playchess.de, 2002.

7.Nc3 Bd7 8.a4 0–0 9.Be2 b6 10.0–0 Nb7 11.d4+= ed4 12.Nd4 Nc5 13.Bf3+/– Rc8 14.Nc6 Bc6 15.Bc6 a5 16.ba6+– Na6 17.Bb7 Nb4 18.Bc8 Qc8 19.Nd5 Nfd5 20.cd5 c5 21.dc6 Nc6 22.Rc1 Qd7 23.Qb3 Rb8 24.Qc3 Ne5 25.f4 Bf6 26.fe5 Be5 27.Qb3 Bb2 28.Qb2 Qa4 29.Qd4 Qd7 30.Rfd1 Rd8 31.Qd6! (31.Qd6 Qd6 32.Rd6+–) 1–0. Dessing,Bastiaan – Tromp,Pieter, NED–ch U12 Rijswijk, 2001.

7.Nc3 Bf5 =.

7.Nc3 Bg4 8.d4 =+.

7.d3 0–0 8.Nbd2 c5 9.Be2= a6 10.a4 b6 11.0–0 Bf5 12.e4 Bg6 13.Bc3 Nb7= 14.Ng5 Nd5 15.Nf7+= Nc3 16.Nd8 Nd1 17.Nb7 Nc3 18.Bg4 h5 19.Be6+= Kh8 20.Rfe1 ab5 21.cb5 Na4 22.Nc4+/– Nc3 23.Ra8+– Ra8 24.Ncd6 Be8 25.Bc4+/– Bg5 26.Ne8 Bd2 27.Rf1 Re8 28.Ra1 Rf8 29.Nd6 Rf6 30.Nf7 Kh7 31.Ra8 Rf7 32.Bf7 Nb5 33.Re8 Nd4 34.Re5 g6 35.Rd5 Kg7 36.Rd7 b5 37.Be8 Kf6 38.Rd6 Ke7+/– 39.Rd4 cd4 40.Bb5 Kf6 41.h4 g5 42.g3 (42.g3 gh4 43.gh4+–) 1–0. Roczniak,Jan – Kubylis,J, Poland, 1980.

7.d3 a6 8.ba6 Ra6 9.c5 =.

7.d4 e4 8.Qa4 ef3 9.Qa5 fg2 10.Bg2 d5 =.

5.Nf3 Nbd7

6.Nc3 0–0 7.d3 Re8 8.Be2 Nf8 9.0–0 h6 10.d4 e4 11.Nd2 Bf5 12.Qc2 The pressure on e4 grows 12...c6 13.Nde4 Ne4 14.Ne4 d5 (better is 14...Be4!? 15.Qe4 d5+=) 15.Nf6!+– Bf6 (15...Bf6 16.Qf5 Discovered attack; 15...gf6 16.Qf5 Discovered attack) 16.Qf5 Ng6 17.Bd3 dc4 18.Bc4 (18.Bc4 Ne7 19.Qh5+–) 1–0. Fournier,Frederic (2235) – Rock666 (1775), Active, 2007.

6.d4 0–0 7.Be2 ed4 8.Nd4= c6 9.0–0 Re8 10.Nf5 Bf8? 11.Nd6+/– Bd6 12.Qd6 Nf8 13.Qd8+– Rd8 (13...Rd8 14.Bf6 gf6+–). juanpacio – Madimbu (1650), internet, 2007.

6.d4 ed4 7.ed4 0–0 8.Bd3 h6 9.0–0 b6 10.d5 a5 11.a3 ab4 12.ab4 Bb7 13.Nd4 Ra1 14.Ba1 Ne5 15.Nf5 Nd3 16.Qd3 Bc8 17.Re1 Bf5 18.Qf5 Re8 19.Re3 Qd7 20.Qd7+/– Nd7 21.Bd4 Kf8+= 22.Kf1 f6 23.Ra3 Ne5 24.Nd2 Bd8 25.f4 Nd7 26.Ra7 Kg8 27.Ra8 Kh7 28.Nb3 Kg6 29.Bf2 Kf7 30.Nd4+– Be7 31.Re8+/– Ke8 32.Ne6 g5 33.Nc7 Kf7 34.fg5 fg5 35.Bd4 Bf6+/– 36.Bf6 Kf6 37.Ne6 Ne5+= 38.c5 dc5= 39.bc5 bc5 40.Nc5 Nf7 41.Nd3 Ke7+= 42.Kf2 Kd6= 43.Kf3 Kd5 44.Kg4 Ke6 45.Kh5 Kf6 46.Nf2+= Kg7 47.Ng4+/– Kh7 48.Ne3 Nd6= 49.Nd5 Ne8 50.Kg4 Kg6 51.h3 h5 ½–½. Grau – Cuervo, Ast.I.1, 1991.

6.d4 e4

7.Nfd2 Nb6 8.Qc2 Bg4 9.Ne4+/– d5 10.Nf6 Bf6 11.c5 Nc4 12.Bc4+– dc4 13.Qc4 Qd7 14.b5 Qe6 15.Qe6 Be6 16.Nd2 0–0 17.0–0 Bd7 18.a4 a6 19.b6 cb6 20.cb6 Rac8 21.Rfc1 Rc1 22.Bc1 Bd8 23.a5 Re8 24.e4 Bg5 25.e5 Bd2 26.Bd2 Bb5 27.f4 f6 28.g4 h6 29.Re1 Re6 30.f5 Rc6 31.Rc1 Rc1 32.Bc1 Kf7 33.e6 Ke7 34.Ba3 Kd8 35.Bf8 Ke8 36.Bg7 Ke7 37.Bh6 (37.Bh6 Be2 38.h3+–) 1–0. Suess,Stefan – Hoge,Heinz, corr, 1985.

7.Nfd2 c6 8.Nc3 d5 9.b5 Nb6 10.Be2 Be6 11.c5 Nc8 12.a4 Bd7 13.0–0+= 0–0 14.Qb3 Qc7= 15.f3 Be6 16.fe4 Ne4 17.Nce4 de4 18.Bc4 Bc4 19.Qc4 Bg5 20.Qb3 Qe7 21.Rf5+– Bf6 22.Raf1 Re8 23.R5f4 Qe6 24.Re4 Qd7 25.bc6 bc6 26.Qb7 Nb6+/– 27.Qd7 Nd7 28.Re8 Re8 29.Nc4 Bg5 30.Rf3 Nf6 31.Ne5 Re6 32.Bc1 a6 33.Rf2 g6 34.Rb2 Nd5 35.Kf2 f6+/– 36.Nc4 Kf7 37.Rb6 (37.Rb6 Nb6 38.cb6+–) 1–0. Kilpatrick,Robert – Hall,Frank, corr SCCA p72, 1981.

7.Nfd2 c6 8.Be2 d5 9.0–0 0–0 10.Qb3 a6 11.Nc3 Nb6 12.c5 Nbd7 13.f3 ef3 14.Rf3 h6 15.Rg3 Nh7 16.e4 de4 17.Nce4 Ndf6 18.Re1 Be6 19.Bc4 Nd5 20.Nf3 Nhf6 21.Ne5 Ne4 22.Re4 Bf6 23.Bc1 Kh8 24.Bd2 Bf5 25.Re2 Be6 26.Qb2 a5 27.ba5+/– Ra5? 28.Ba5+– Qa5 29.Bd5 Be5 30.Re5 Bd5 31.Ra3 Qc7 32.Ra7 Rb8 33.Qe2 Be6 34.Qd2 Bd5 35.Qf4 Be6 36.Qg3 Qe7?? 37.Re6! Qe6 38.Qb8 (38.Qb8 Kh7 39.Qe5+–) 1–0. pierre – hoosty, internet, 2008.

7.Nfd2 d5 8.a3 =.

7.Nfd2 Nf8 8.Nc3+= Bf5 9.Qc2 Qd7 10.d5+/– Ng6 11.Nce4 0–0–0 12.Nf6 Bc2? 13.Nd7+– Kd7 14.Bg7 Rhg8 15.Rc1 Ba4 16.Bb2 Ke8 17.Nf3 h5 18.h3 Bd7 19.g3 Bf5 20.Nd2 Ne5 21.Be5 de5 22.e4 Bg4?? 23.c5 Bc8 24.Be2 Rh8 25.Nc4 f6 26.0–0 Kf7? 27.Ne3?? Rdg8?? 28.Kh2 1–0. Krafzik,Joachim (1865) – Schoerghuber,Barbara, Bad Griesbach Seniors op 7th, 2004.

6.Be2 c6
7.0–0 0–0 8.d4 e4 9.Nfd2 d5 10.b5 Kh8 11.Nc3 Bb4 12.Qb3 Bc3 13.Bc3 Re8 14.cd5 cd5 15.Rfc1 Nf8 16.h3 Ng6 17.Rc2 Nh4 18.Rac1 Qd7 19.Bb4 Ng2 20.Kg2 Qh3 21.Kg1 Ng4 (better is 21...Bg4!? 22.Bg4 Qg4 23.Kf1 a5 24.ba6 ba6+/–) 22.Bd6+– Bd7? (22...Be6 23.Rc7+–) 23.Rc7 (better is 23.Qd5 Ne3 24.fe3+–) 23...Re6 24.Bf1 (24.Rd7 Rh6 25.Rd8 Rd8 26.Bf3 ef3 27.Nf3 Qh1) 24...Qh5 25.Bg3 (25.Rd7?? Rd6 26.Bg2 Qh2 27.Kf1 Rd7–+) 25...Rh6 26.Bg2 Nh2?? (better is 26...Nf6+–) 27.Rd7 Nf3 28.Nf3 ef3 29.Qd5 (29.Qd5 Qd5 30.Rd5 fg2 31.Rc7+–) 1–0. zebracarrot (1910) – najtreb (1920), gameknot.com, 2013.

7.0–0 Qb6 8.a3 c5 9.Qc2 cb4 10.ab4 Qb4 11.Nc3 Nc5 12.d4 ed4 13.Nb5 0–0 14.Nfd4+– Nce4 15.Bd3 d5? 16.Ba3 Qd2 17.Be7 Qc2 18.Bc2 Re8 19.Bf6 (19.Bf6 Nf6 20.Nc7+–) 1–0. orane – elbala, caissa.com, 2006.

7.d3 0–0 8.Nbd2 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Nb6 12.0–0 h6 13.e4 Re8 14.Qa7 g5 15.h3 Nh5 16.Ra1 Nf4 17.Bf1 Qc7 18.Qa5 f5? (better is 18...Be6 19.c5 Na8+=) 19.c5+– dc5 (19...Nbd5 20.ed5 Qa5 21.ba5 cd5+–) 20.bc5 fe4 (20...Na8 21.Qa8 Bc5 22.Be5 Re5 23.Ne5 Bd4+–) 21.Ne4 (better is 21.cb6 Qb8 22.Be5+–) 21...Nbd5 22.Qc7 Nc7 23.Be5 Ncd5 24.Bd6 Kf7 25.Be7 Re7?? (better is 25...Ke7 26.Nd6 Rd8+–) 26.Nd6 (26.Nd6 Kf6 27.Nc8+–) 1–0. Fournier,Frederic (1940) – roberz, Active, 2011.

5.Nf3 e4

6.Nd4 d5 7.b5 (7.cd5 A) 7...Qd5 A1) 8.Nc3 Qe5 9.d3 Bb4 10.Qa4 Nc6 11.Rc1 Qa5 12.Qa5 Ba5 13.Nb3=; A2) 8.a3 a5 9.Qc2 ab4 10.Qc7 Qd7 11.Bb5 Nc6 12.Bc6 bc6 13.Qc6=; A3) 8.f3 ef3 9.Qf3 (9.gf3 0–0 10.Qc2 Bb4 11.Qc7 Bd6 12.Qc2 Qh5 13.Ba3=+) 9...Bb4 10.Nb5 Qf3 11.gf3 Kd8 12.Rg1 Bf8 13.Bf6=+; A4) 8.Qc2 0–0 9.Nc3 Qe5 10.a3 a5 11.Ncb5 Na6 12.Nc6 Qe6 13.Na5+=; B) 7...0–0 8.a3 a5 9.b5 (9.d3 ab4 10.de4 ba3 11.Ba3 Ba3 12.Na3 Qe7 13.Nc4=) 9...Qd5 10.Nc3 Qg5 11.Qc2 Qg6 12.d3 ed3+= 13.Qd3+=) 7...c5 (7...c6 8.bc6 Nc6 9.cd5 Qd5 10.Nc3 Qa5 11.Nc6 bc6 12.Qc2 Rb8=+) 8.bc6 Nc6 (8...bc6 9.cd5 cd5 10.d3 0–0 11.Nc3 Bb4 12.a3 Bc5=) 9.cd5 Nb4 (9...Qd5 10.Nc3 Qa5 11.Nc6 bc6 12.Qc2 Rb8=+) 10.Bc4 (10.Nc3 Nbd5 11.Nd5 Qd5 12.Qb3 a6=) 10...Bd7 (10...Nbd5 11.Qa4 Bd7 12.Qb3= Qb6=) 11.Nc3 (11.Qb3 Rc8 12.0–0 0–0+=) 11...Rc8= 12.Qb3 ( 12.a3!?= Rc4=) 12...Rc4=+ 13.Qc4 Nd3 14.Ke2 Nb2 15.Qb3 Nd3 16.Qb7 0–0 17.h3 Bc5 18.Nb3 Bb6–+ 19.Rab1?? Bc8 20.Qc6 Ba6 21.Nb5 Ne5 (21...Ne5 22.Qc3 Bb5 23.Kd1 Nd3–+) 0–1. Hasler,Ulrich (2045) – Anger,Klaus (2120), corr ICCF–Cup11 V95, 1997.

6.Nd4 0–0

7.b5 a6 8.a4 Nbd7 9.Nc3 Nc5 10.Be2 d5 11.0–0 ab5 12.ab5 Ra1 13.Qa1 dc4 14.Bc4 Be6 15.Ne6 fe6 16.Ba3 Qd6 17.Ne4 Nfe4 18.d4 Rd8 19.f3 Bg5 20.Re1 Qd7 21.Bc5 Nc5 22.dc5 Qd2 23.Be6 Kh8 24.e4 Be3 25.Kh1 Bc5 26.Bd5 Bb4 27.Rd1 Qe2 28.Qb1 c6 29.bc6 bc6 30.Rg1 Bc5 31.Re1 (31.Bc6?? Bg1 32.Bb5 Rd1 33.Be2 Rb1–+) 31...Qa6 32.Bb3 Qb5 33.e5 Bf2 34.Rd1 Rb8 35.f4 c5 36.Qc2 Bd4 37.Rb1 Qd7 38.e6 Qe7 39.f5 Kg8 40.Bc4 Rb1 41.Qb1 Kf8 42.Qb8 ½–½. Fournier,Frederic (1990) – Beauchamps,Eric (1960), echecsemail.com, 2004.

7.d3 c5 8.Nc2 cb4 9.Nb4 Nc6 =.

7.d3 c5 8.bc5 dc5 9.Nb3 Nc6 10.Be2 ed3–/+ 11.Qd3 Qd3 12.Bd3 Nb4 13.Nc1 Rd8 14.Ke2 Be6 15.Na3 Ng4 16.f3 Nf2! 17.Kf2 Rd3 18.Ke2 Ra3!–+ 19.Ba3 Nc2 20.Bb2 Na1 21.Ba1 Bc4 22.Kf2 Rd8 23.Nb3 Bb3 24.ab3 Rd2 25.Kg3 Rd3 26.Kf2 Rb3 27.Rd1 a5 28.Rd7 Bf8 29.Rd8 f6 30.Ra8 Ra3 0–1. hal1958 – Tano, playchess.de, 2002.

7.d3 c5 8.bc5 dc5 9.Nb3 Bf5 10.de4 Qd1 11.Kd1 Ne4 12.Ke1 Bh4 (12...Nc6!?+=) 13.g3= Bd8 14.N1d2 Nd7 15.Bg2 Nd6 16.Ke2 Be7 17.Rad1 Rfd8 18.f3 Be6 19.Rc1 Nb6 20.f4 Ndc4 21.Nc4 Nc4 22.Ba1 a5 23.Bb7 Ra7 24.Be4 a4 25.f5 (25.Nc5 Bc5 26.f5 Rd2 27.Kf3 Be3 28.fe6 Rf2 29.Kg4 Bc1 30.Rc1 f5 31.Kh3 fe4 32.Bd4–/+) 25...ab3 26.ab3 Ra2 27.Ke1 Nd2 28.fe6 Ne4 29.ef7 Kf8 30.Rf1 Rdd2 31.Bg7 Kg7 32.f8Q Bf8 33.Rf4 Rh2 34.Rd1 (34.Rf3 Bd6 35.Rf7 Kf7 36.Rc2 Ra1 37.Rc1 Rc1) 34...Rhe2 35.Kf1 Ng3 36.Kg1 Rg2 0–1. Fournier,Frederic – xavimas, Active, 2008.

7.Nc3 c5

8.Nc2 cb4 9.Nb4 Nc6 10.Nbd5 Re8 11.d4 Bd7 12.Be2 Bf5 13.0–0 Nd5 14.cd5 Nb4 15.Qb3 Nd3 16.Bd3 ed3+= 17.e4 Bg6 18.f3 b6 19.Nb5 a6= 20.Na3 b5 21.Qd3+= Qb6 22.Rac1 Rac8 23.Rc2 Rc2 24.Qc2 Bf6 25.Rd1 h6 26.Nb1 b4 27.Qc4 Qb7 28.Rc1 Rb8 29.Qc6 Qa7 30.Rc4 b3 31.a4 Bg5 32.Qd6+– Be3 33.Kf1 a5 34.Ke2 Bg5 35.Nc3 Rd8 36.Qc7 Qa8 37.Rc5 Qa6 38.Nb5 Rf8 39.Qc6 (39.Qc6 Qa8 40.Qa8 Ra8 41.Kd3+–) 1–0. Alias Ginel,O – Felipe Pais,J, Bajada de la Virgen SPA, 2005.

8.Nc2 Na6

9.a3 cb4 10.ab4 Nc7 11.d3 d5 12.de4 de4 13.Be2 Be6 14.Qd4 Qd6 =.

9.a3 cb4 10.ab4 d5 11.c5 Nc7 12.Be2 Bd7 13.0–0 b6 14.Ba3 bc5 =.

9.a3 cb4 10.ab4 d5 11.c5 Nc7 12.Be2 Be6 13.d4 Qb8 14.b5 Qe8 +=.

9.a3 cb4 10.ab4 Be6 11.d3 d5 12.c5 Nc7 13.de4= de4 14.Qd8 Rfd8 =.

9.a3 d5 10.Nd5 Nd5 11.cd5 Qd5 12.Ba6 ba6 13.0–0 Rb8 14.Bc3 Be6 =.

9.b5 Nb4 10.d3 Bg4 11.Qd2 Nd3 12.Bd3 ed3 13.Qd3 Be6 14.e4 Ng4 =.

8.Nc2 Nc6

9.a3 Bg4 10.Be2 Ne5 11.Bg4 Nd3 12.Kf1 Nb2 13.Qb1 Nc4 14.Qd1 Ng4 15.Qg4 Nd2 16.Ke2? f5 17.Qg3 Bh4 (17...Bh4 18.Qh3 Nc4–+) 0–1. Hasler,Ueli (1710) – Obando,Daniel (1995), CiF, 2005.

9.b5 Ne5

10.Na3 Bf5 11.Be2 a6 12.0–0 Qd7 13.Na4 =+.

10.Na3 Bf5 11.Be2 a6 12.0–0 Re8 13.Qb3 Qd7 14.f3 ef3 =+.

10.d3 Bf5 11.de4 Ne4 12.Ne4 Be4 13.f3 Bh4 14.Kd2 Bf5 =+.

10.d4 ed3 11.Bd3 Be6 12.Na3 d5 13.cd5=+ Nd3 14.Qd3 Nd5 =+.

10.d4 ed3 11.Bd3 Be6 12.Qe2 a6 13.0–0 ab5 14.Nb5 Ra4 15.Nca3 ½–½. Althoff,G – Polenske,K, Kaufungen, 2003.

7.Be2 c5

8.Nc2 cb4 9.Nb4 Qa5 10.Qb3 =+.

8.Nc2 Nc6 9.bc5 dc5 10.0–0 Be6 11.Nba3 a6 12.f3 Qa5 13.fe4 Ne4 14.Nb1 Rfd8 15.d3 Bc4 16.Rf4 f5 17.Rf5 Qb6 18.Bg7 Kg7 19.Rf4 Bf6 20.Re4 Ba1 21.Nba3 Bd5?? 22.Qa1+– Nd4 23.Nd4 (23.Nd4 cd4 24.Rd4+/–; 23.Rg4 Kh8+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Nc2 Nc6 9.bc5 dc5 10.Nc3 Bf5 11.0–0 Bd6 12.h3 Bb8 13.f4 ef3 14.Rf3 Bg6 15.a4 Qd6 16.Rf4 Qd8 17.Rf3 Ne5 18.Rf1 Nd3 19.Ra2? Qd6 20.Rf4 Nf4 21.ef4 Qf4 22.d4 Qh2 23.Kf1 Bg3 24.Bf3 Rfe8 25.Ne2 Bc2 26.Ng3 Bd1 (26...Bd1 27.Kf2 Bf3 28.Kf3 Qg1–+) 0–1. mtrc – sonvn, internet, 2002.

8.bc5 dc5 9.Nb3 Nc6 10.0–0 Nb4 11.Nc3 Be6 12.f3 ef3 13.Rf3 Nd3 14.Ba3 b6 15.Nd5 Ne5–/+ 16.Ne7 Qe7 17.Rf4 Rfe8 18.Bb2= Nfd7 19.Qc2 Qg5 20.Raf1 Qg6 21.Qg6 Ng6 22.R4f2 Nde5 23.Rc1 Rac8 24.Rc3 f6 25.Bc1 Kf7 26.d3 Red8 27.Bb2 Rd6 28.Rf1 Rd7 29.h3 Ne7 30.Nc1 Rcd8 31.Rb3 N7c6 32.Kh2 Ke7=+ 33.Be5 Ne5 34.a4 h5 35.a5 ba5 36.Rb5 Rc7 37.Ra5 h4 38.g3 Rh8 39.Rh1 g5 40.g4 Rb8 41.Re1 Rb2 42.Kh1 f5 43.gf5 Bf5 44.d4 Nf7 45.Kg1 Bh3 46.Nd3 Rc2 47.Nc5 Nd6 48.Na6 Nc4 49.Rg5 Kf6 50.Rg8 Rc8 51.Rc8 Bc8 52.Nb4 Ne3 53.Nc2 Nc2 54.Rd1 Ne3 55.Rc1 Bb7 56.Bd3 a5 57.Re1 Nd5 58.Be4 Ke6 59.Rb1 Bc6+= 60.Rc1 Kd6 61.Bd5 Bd5 62.Ra1 a4 63.Ra4 Bf3 64.Ra5+– Bg4 65.Kf2 h3 66.Ke3 Be6 67.Rh5 Bg4 68.Rh8 Be6 69.Rh6 Ke7 70.Ke4 Kf7 71.Ke5 Kg7 72.Rh4 Bd7 73.d5 Kg6 74.Rh8 Kg7 75.Ra8 Kg6 76.Ra7 Bf5 77.Ra1 Bd7 78.Rg1 Kh5 79.Rg8 Kh6 80.Rd8 Kg6 81.d6 Bf5 82.d7 (82.d7 Bd7 83.Rd7+–) 1–0. pcmvr (2560) – lopesq (2590), net–chess.com, 2006.

8.bc5 dc5 9.Nb3 Nc6 10.0–0 Nb4 11.f3 Nd3 12.Ba3 ef3 13.Bf3 Qc7 14.Nc3 Be6 15.Nb5 Qd7 16.Qc2 Rad8 17.Be2 Bf5 18.Nc5 Bc5=+ 19.Bc5 Nc5 20.Rf5= Qd2 21.Qd2 Rd2 22.Rc5 Re2 23.Rc7 a6 24.Nd6 Ng4 25.e4 Ne3 26.g3 b6 27.Rb7 Rb2 28.Re1 Ng4 29.h3 Ne5 30.Rf1 Ra2 31.Rb6 a5 32.Ra6 a4 33.Rf2 Ra1 34.Kg2 Rd8 35.Rc2 Nd3 36.Rd2 Ra3 37.Ra5 f6 38.c5 c3 39.Ra4 Nc5 40.Raa2 Nd3 41.Nf5 Rd7 42.Ra8 Kf7 43.Rda2 Rcc7 44.Ne3 Nc5 45.Kf3 Ne6 46.h4 Rb7 47.g4 h6 48.R8a3 Nd4 49.Kg3 Nc6 50.h5 Rb4 51.Ra4 Rb1 52.Kf2 Rb3 53.Ra8 Rbd3 54.Nd5 Rb7 55.R8a3 Rd1 56.Ne3 Rc1 57.Kg3 Rd7 58.Ra1 Rc5 59.Rb1 Ne5 60.Nd5 Rc2 61.Rab3 Re2 62.Rb4 Ra2 63.R1b3 Ra1 64.Rb7 Rg1 65.Kh3 Kg8 66.Rd7 Nd7 67.Ne7 Kh7 68.Ng6 Kg8 69.Rd3 Nc5 70.Rd8 Kf7 71.Rf8 Ke6 72.Rc8 Nd3 73.Ra8 Nf2 74.Kh2 Re1 75.Kg2 Ng4 76.Ra6 Kd7 77.Kf3 Rg1 78.Kf4 Nf2 79.Ke3 Nh3 80.Ra7 Kd6 81.Rg7 Rg3 82.Kd4 Nf4 83.Rf7 Nh5 84.Nh4 Ke6 85.Rh7 Nf4 86.Nf5 Ne2 87.Kc4 Rc3 88.Kb4 Ke5 89.Rh6 Rc1 90.Nd6 Ng3 91.Nf7= Ke6 92.Ng5 Ke7 93.Rh7 Kd6 94.Rh3 Rb1 95.Kc4 Nf1 96.Nh7 Ne3 97.Re3+/– Ke5 98.Ra3 f5 99.ef5 Kf5 100.Ra5 ½–½. pierre – jago, chess.com, 2007.

6.Nd4 c5

7.Qa4 Qd7 8.Qd7 Bd7 =+ (< 8...Kd7 9.bc5 dc5 10.Nf5+=; < 8...Nfd7 9.Nf5+=).

7.Nb3 cb4 8.d3 ed3 (8...d5 9.de4 de4 10.Qd8 Bd8 11.N1d2 Bf5 12.Rd1 Nbd7+=) 9.Bd3 Be6 (9...0–0 10.0–0 Nc6 11.a3 Bg4 12.Qc2 ba3–/+) 10.0–0 (10.Nd4 0–0 11.0–0 Nbd7 12.Nd2 Nc5+=) 10...Nc6 (10...Nbd7 11.a3 ba3 12.Na3 0–0+=) 11.N1d2 (11.Nd4 0–0 12.Nd2 Ne5+=) 11...0–0 (11...Ne5 12.Be2 0–0+=) 12.f4 (12.Nd4 Ne5+=) 12...Rc8 (12...d5–/+) 13.Qc2 h6 14.Rfe1 d5 15.Rad1 a5 (15...Na5 16.Qb1–/+) 16.Qb1 a4 17.Nd4 Nd4 18.Bd4 Qa5 19.cd5 Nd5 20.f5 (20.Nc4 Qa8+=) 20...Nc3–/+ 21.Bc3 bc3 22.fe6 cd2 23.Re2 fe6 24.Red2 Bg5 25.Kh1 b6 26.Bb5 Kh8 (26...Be3 27.Rd6 Rf6 28.Bd7–/+) 27.Rd6 Rcd8 28.Rd8 Rd8 29.Rd8 Bd8 30.g3 Be7 31.Qd3 Qa8 32.e4 a3 33.Kg2 Bc5 34.h4 Qf8 35.e5+= Qf2 36.Kh3 h5 37.Qe4? Qd4 38.Qg6 ½–½. Bonetti,Shane (2125) – Herchen,Ralf (1890), K0–40 ETC, 2006.

7.Nc2 cb4 8.Nb4 0–0 9.Nc3 =+.

7.Nc2 cb4 8.Nb4 Nc6 =+.

7.Nc2 d5 8.b5 (8.Bf6!? Bf6 9.Nc3=) 8...Be6 9.a4 (9.cd5 Bd5 10.Nc3 0–0+=) 9...b6 (9...0–0 10.Be2–/+) 10.Nba3 (10.cd5!? Qd5 11.Nc3+=) 10...0–0–/+ 11.Be2 Qd7 (11...Qc7 12.cd5 Nd5 13.Rc1–/+) 12.0–0+= Bg4 (12...Qc7!?+=) 13.Bg4= Ng4 14.f3 Bf6 15.d4 (better is 15.Bf6 Nf6 16.d4=) 15...ed3!–+ 16.Bf6 (16.Qd3 Bb2 Combination) 16...dc2 (16...Nf6?! 17.Qd3 Rd8 18.Rfd1+=) 17.Nc2? (17.Qd5 Qd5 18.cd5 Nf6 19.e4–+) 17...Nf6 18.Qe2 (18.cd5 Nd5 (worse is 18...Qd5 19.Qd5 Nd5 20.e4–+) 19.a5 Nc3–+) 18...dc4 19.Qc4 Qc7 (19...Qe7 20.e4–+) 20.Rad1 (20.e4 Re8 21.Rae1 Qf4–+) 20...Nbd7 21.Rd2 Rad8 22.Rfd1 Rfe8 23.e4 Ne5 24.Qc3 Rd2 25.Rd2 Ng6 26.g3 h6 27.Ne3 Qe5 28.Qc2 Qa1 29.Rd1 Qa3 30.Rd3 Qb4 31.Nc4 Qe1 32.Kg2 Qa1 33.Rd1+– Qd1 34.Qd1 Nf8 35.e5 N6h7 36.f4 Ne6 37.Nd6 Rd8 38.Qd5 Nhf8 39.f5 Nd4 40.Qf7 Kh8 41.Qe7 Ra8 42.e6 Nh7 43.Qb7 Rf8 44.e7 Rf6 45.Qc8 (45.Qc8 Rf8 46.ef8N Nf8 47.Qf8 Kh7 48.Ne8 Nf5 49.Qf5 Kg8 50.Qe6 Kf8 51.Nd6 c4 52.Qf7) 1–0. Engelhardt,Er (1845) – Laurin,Dirk (1665), Berlin GER, 2012.

7.Nc2 Bg4 8.Be2 Be2 9.Qe2 cb4 10.Nb4 0–0 11.0–0 a5 12.Nc2 d5 13.cd5 Qd5 14.Nc3 Qd3 15.Qd3 ed3 16.Nd4 Rc8 17.Nf5 Bf8 18.Nb5 Rc5 19.Bf6 (19.Nbd4 Ne4+=) 19...Rb5–/+ (worse is 19...gf6 20.Nbd4 Nc6 21.Rab1+=; worse is 19...Rf5 20.Nc7 Ra7 21.Bd4+=) 20.Nd4 Rb2 21.Bh4 Nc6 (21...Rd2?! 22.Rfd1 Rd1 23.Rd1=) 22.Nf3 a4 0–1. Howes,Tony – Sijses,Wim, IECG, 2004.

7.Nc2 0–0

8.Nc3 Nc6 9.a3 Qb6 10.Nd5 Nd5 11.cd5 Ne5 12.d4 Bg4 13.Qd2 Nd7 =.

8.Nc3 Nc6 9.b5 Ne5 10.d4 ed3 11.Bd3 Be6 12.Na3 (12.Na3 d5 13.cd5 Nd3 14.Qd3 Nd5 15.Rd1 Nc3 16.Qc3=+). Schlapp12 – Klaus Behrmann, ChessWorld.net, 2005.

8.Nc3 Nc6 9.b5 Ne5 10.d4 ed3 11.Bd3 Be6 12.Qe2 a6 13.0–0 ab5–/+ 14.Nb5 Ra4 15.Nca3 (15.Be5 de5 16.Nc3 Ra8=+) ½–½. Althoff,Guntram – Polenske,Kai, Hessen–chB Kaufungen, 2003.

8.Nc3 Nc6 9.d3 ed3 10.Bd3 Nb4 11.Nb4 cb4 =+.

8.d3 cb4 9.Nb4 d5 10.Nd5 Nd5 11.cd5 Qa5 12.Qd2 Bb4 13.Bc3+/– Bc3 14.Nc3 ed3 15.Rb1 Bf5 16.Rb7 Qa6? 17.Rb4 Rc8 18.Ra4 Qf6 19.Rd4 Nd7 20.Bd3 Bd3 21.Qd3 Nc5 22.Qc2+– Qg5 23.0–0 Nd7 24.d6 Rc5 25.Qe4 Rac8 26.Qe7 Qe7 27.de7 Rc3 28.Rd7 Re8 29.Rd8 Rc8 30.Rc8 Rc8 31.Rd1 (31.Rd1 Re8 32.Rd8+–) 1–0. mtrc – 2002Blue, internet, 2002.

8.d3 ed3 9.Bd3= cb4 10.Nb4 d5 11.Nd5+/– Nd5 12.cd5 g6 13.Nc3 Nd7 14.0–0 a6 15.Ne4 f5 16.d6 fe4 17.Bc4 Rf7 18.Bf7 Kf7 19.Qd5 Ke8 20.Qe4 Nf6 21.Qe7 Qe7 22.de7 Ke7 23.Rfc1 Bd7 24.Rc7 Nd5 25.Rb7 a5 26.Rd1 Nf6 27.Bf6 Kf6 28.Rdd7 h5 29.Rd6 Kg5 30.f4 Kf5 31.Rb5 (31.Rb5 Kg4 32.Rg6 Kh4 33.g3 Kh3 34.Rh5#) 1–0. marekt – happydan, gameknot.com, 2001.

8.d3 Bg4 9.f3 ef3 10.gf3 Be6 =+.

8.d3 d5 9.bc5 ed3 10.Qd3 dc4 11.Qd8 Rd8 12.Bc4 Bc5 13.Nd2 Nc6 14.Ke2 Bf5 15.Rac1 Na5 16.Nd4 Nc4 17.Rc4 Bd4 18.Bd4 (worse is 18.ed4 Re8 19.Kf3 Be6–/+) 18…Be6 ½–½. Fournier,Frederic (1855) – Bangnoi,Alexandre (2110), Open Evry FRA, 2005.

7.Nc2 a5

8.ba5 A) 8...Nc6 9.Be2 (9.d3 0–0 10.Nc3 Qa5 11.Qd2 ed3 12.Bd3 Ne5 13.0–0 Be6+=) 9...Be6 (9...0–0 10.0–0 Be6 11.d4 d5 12.cd5 Qd5 13.f3 Qg5=; 9...Ra5 10.d3 0–0 11.Nd2 ed3 12.Bd3 Ne5 13.Be2 Bf5=) 10.d4 d5 11.cd5 Qd5 12.a6 ba6 13.0–0 0–0+=; B) 8...0–0 B1) 9.d4 Nc6 (9...Ra5 10.Be2 cd4 11.Nd4 Rg5 12.Bf1 Na6 13.Nc3 Nc5=; 9...Qa5 10.Qd2 Nc6 11.Qa5 Ra5 12.Nd2 Bf5 13.d5 Nb8=) 10.Be2 cd4 11.Nd4 Qa5 12.Nc3 Qg5 13.Rg1 Qc5+=; B2) 9.d3 Nc6 (9...Qa5 10.Nc3 Be6 11.Qd2 ed3 12.Bd3 Nbd7 13.Nb5 Qd2+=) 10.Nc3 Qa5 11.Qd2 ed3 12.Bd3 Ne5 13.0–0 Be6+=; B3) 9.Bc3 Nc6 10.d4 Na5 11.Nd2 cd4 12.Nd4 d5 13.cd5 Qd5=; C) 8...Qa5 C1) 9.Bc3 Qa4 (9...Qd8 10.Be2 d5 11.d4 0–0 12.dc5 dc4 13.0–0 Qc7+=; 9...Qc7 10.d3 0–0 11.Nd2 Bg4 12.Qb1 Bf5 13.de4 Ne4=) 10.d4 0–0 11.Be2 d5 12.dc5 Rd8 13.Nd2 Nbd7+=; C2) 9.Be2 0–0 (9...Be6 10.0–0 0–0 11.d3 Nc6 12.de4 Qb6 13.Qc1 Ne4+=) 10.0–0 Be6 11.d3 Rd8 12.Nc3 ed3 13.Qd3 d5+=; D) 8...Be6 9.d3 0–0 10.Nc3 Qa5 11.Qd2 ed3 12.Bd3 Nbd7 13.Nb5 Ne5+=.

8.b5 0–0 9.Nc3 Bg4 10.Be2 Be2 11.Qe2 Nbd7 12.d3 ed3 13.Qd3 Qc8 +=.

8.b5 Bg4 9.Be2 Be2 10.Qe2 d5 11.d3 dc4 12.de4 Ne4 13.Qc4 Nf6 +=.

8.bc5 dc5 A) 9.d3 Bf5 (9...Ra6 10.Be2 ed3 11.Qd3 Qd3 12.Bd3 Rd6 13.Ke2 Ng4=) 10.d4 0–0 11.Nd2 Na6 12.Be2 Qc7 13.d5 Nb4=; B) 9.Be2 0–0 (9...Qb6 10.Nc3 0–0 11.Rb1 Rd8 12.f3 ef3 13.Bf3 Qe6=) 10.0–0 Bf5 11.f3 ef3 12.Bf3 Bd3 13.Be2 Nc6=.

8.b5 d5

9.cd5 Nd5 10.Bg7 Rg8 11.Bb2 Bg4 12.Qc1 Bf5 13.Nc3 Nc3 +=.

9.cd5 Bg4 10.Be2 Be2 11.Qe2 Qd5 12.Nc3 Qf5 13.Rd1 0–0 =.

9.cd5 Qd5

10.Nc3 Qg5

11.Na3 0–0 12.Qa4 Bf5 13.Nc4 +=.

11.Na3 0–0 12.Rc1 Rd8 13.f3 Bd6 +=.

11.Na3 0–0 12.Qc2 Bf5 13.h3+= Bg6 +=.

11.d3 Bg4 12.Qc1 ed3 13.Bd3 Nbd7 =.

11.d3 Bg4 12.Qd2 ed3 13.Qd3 Nbd7 =.

11.d3 Bg4 12.Qd2 ed3= 13.Bd3 0–0 =.

11.d3 Bg4 12.Qd2 Bf5 13.de4 Ne4 =.

11.Na3 Be6

12.Qa4 Qg6 13.b6 Bd7 14.Qd1 +=.

12.d3 ed3 13.Qd3 0–0 +=.

12.Qa4! Qf5

13.Nc4 Ng4! 14.Nd1 Bc4 15.Bc4 Bf6 unclear. Sokolski.

13.Rd1 Qg6 =.

13.h3 Nbd7 14.Nc4 Bc4 15.Bc4 Nb6 16.Qb3 0–0 17.Na4! –+. Sokolski.

13.h3 Nbd7+= 14.Nc4 Bc4–/+ 15.Bc4 Nb6 16.Qb3 a4 (better is 16...0–0 17.Na4 Nc4 18.Qc4 Rfd8+=) 17.Bf7+= Kd7 18.g4 ab3 19.gf5 ba2 20.Be6 (20.Ra2 Ra2 21.Ba2 Ra8+/–) 20...Kd6+= 21.Ra2 g6 22.Ra8 Ra8 23.Ke2 gf5 24.Bf5 Nc4 (better is 24...Ke5!? 25.Be4! Ne4 26.Na4 Ke6 27.Nb6 Ra5+/–) 25.Ba1+– (25.Ne4?! Ne4 26.Be4 Nb2 27.Bb7 Ra2+=) 25...Ke5 26.Bg4 (26.Be4 Ne4 27.f4 Kf5 28.Ne4 Ke4 29.d3 Kf5 30.dc4 Ke4+–) 26...h5 (better is 26...Kd6!?+/–) 27.f4+– Kd6 28.Bf5 Ra3 (28...Ra5 29.Rc1+–) 29.Ne4 (29.Be4?! Rc3 30.Bb7 Ra3+/–) 29...Ne4 30.Be4 Ra2 (30...Kc7 31.Rg1+–) 31.Bc3 1–0. Sokolski – Mnatsakanian, SU, 1960.

13.h3 Nbd7+= 14.Nc4 Bc4 15.Bc4 Nb6 16.Qb3 Nc4 17.Qc4 0–0 18.Na4 (18.g4 Qg6+=) 18...Nd7 (18...Rfd8 19.Rd1+=) 19.Rc1 Ne5 (better is 19...Rfd8!?+=) 20.Be5+= Qe5 21.Qc3 (better is 21.Nc3!?+=) 21...Qf5= 22.0–0 (22.Nc5? Rfc8 23.d4 b6–+) 22...b6 (22...Rfe8 23.f3 (23.Nc5? Rac8–+) 23...Rad8 24.Nb6= (24.Qa5? Ra8 25.Qc7 Ra4–+)) 23.Nb6 Rab8 24.Nc4 (worse is 24.Qa5 Bd8–/+) 24...Rb5 25.Qe5 (better is 25.f3!? ef3 26.Rf3=) 25...Qe5–/+ 26.Ne5 Rb2 27.Nc4 (27.Nc6!? Bd6 28.Na5 Ra2 29.Nb7=) 27...Ra2–/+ 28.Ra1 Rc2 29.Rfc1 Rc1 30.Rc1 a4 31.Ra1 Ra8 32.Nb6 Ra6 33.Na4 c4 34.Kf1 f5 35.Ra2 Kf7 36.Nc3 Ra2 37.Na2 Ke6 38.Ke2 h5 39.Nc3 h4 40.f3 Ke5 41.fe4 fe4 42.Kf2 Bb4 43.g4 Bc3 ½–½. Nicklich,Wolfgang – Fauth,Heinz, corr DDR–ch M618, 1978.

13.h3 Nbd7+= 14.Rd1 0–0 +=.

7.Nc2 Nc6

8.a3 Ne5 9.d4 ed3 10.Bd3 Be6 11.Be5 de5 12.Nc3 Rc8 13.Qe2 b5 14.Rd1 cb4 15.c5 Bc5 16.Bb5 Nd7 17.ab4 Bb4 18.Nb4 Rc3 19.0–0 0–0 20.Qd2 Rc7 21.Qd6 Rb7 22.Bc6 Rb8 23.Bd7 ½–½. Roldan,Antonio – Voudouris,Nick, WC.2001.P.00004, 1999.

8.b5 Na5 9.d3= Be6 10.Nd2 =. Johansson,Ragnar – Lind,Bengt Arne, corr SSKK, 1985.

8.b5 Nb4 9.Nb4 cb4 10.d3 0–0 11.Nd2 d5 12.cd5 Qd5 13.de4 =.

8.b5 Bg4 9.f3 ef3 10.gf3 Ne4 11.Ke2 Bf6 12.d4 Be6 13.Qd3 +/–.

8.bc5 dc5 9.d4 Qb6 10.Qc1 cd4 11.ed4 0–0 12.Be2 Rd8 13.c5 =+.

8.d3 ed3 9.Bd3 cb4 10.0–0 d5 11.a3 dc4–/+ 12.Bc4 Qd1 13.Rd1 Be6 14.Be6 fe6 15.ab4 Nb4 16.Nd4 Kf7 17.Nf3 Bc5 18.Nbd2 Rhd8 19.Nb3 Rd1 20.Rd1 b6 21.Ng5 Ke7 22.Nc5 bc5 23.Be5 Nbd5 24.e4=+ h6 25.Nf3 Ne4–/+ 26.Bg7 a5 27.Bh6 a4 ½–½. Gretencord,Ulrich (1955) – Winkler,Andreas (1965), 2004.

8.b5 Ne5

9.d4?! =. Sokolski – Mutschik, Baku, 1958.

9.d4 Ned7 10.Be2 Nb6 11.a4 a5 12.ba6 Ra6 13.a5 Nbd7 14.Qd2 b6 15.ab6 0–0 16.Nba3 Nb6 17.0–0 Be6 18.Rfb1 Qa8 19.d5 Bd7 20.Bc3 Na4 21.Nb5 Nc3 22.Nc3 Bf5 23.Qd1 Rd8 24.Qc1 Ra1 25.Na1 Qc8 26.Nb3 Re8 27.Na5 Bd7 28.Qc2 Bd8 29.Nb3 Bf5 30.Ra1 Bb6+= 31.Nd2 Re7 32.Qb2 Rb7= 33.Ra6 Ba5 34.Nb5 Qd8 35.Qc2 Bb6 36.Nc3 Re7 37.Qa2 Re8 38.Bd1 Bc7 39.Ba4 Rf8 40.Bc2 Qe7 41.Qa1 Rb8 42.Ra8 Ra8 43.Qa8 Qd8 44.Qd8 Bd8 45.Nb5 Be7 46.f3 Bd7 47.Be4 h5 48.h4 g6 49.Na7 Ne4 50.Ne4 f5 51.Ng5 Be8 52.Nc8+– Kf8 53.Kf2 +–. pereira – Abuloai, internet, 2006.

9.d4 Bg4 10.Qd2 cd4 11.ed4 Ng6 12.Ne3 Bd7 13.Nc3 =.

9.Nca3 0–0

10.Nc3 a6 11.d4 ed3 12.f4 Nc4 13.Nc4 ab5 14.Nb5 d5 15.Bd3 dc4 16.Bc4 Ne4 17.Qd8 Rd8 18.Nc7 Ra7 19.Bd5 Nf6 20.e4=+ b6 21.Be5 Bd7 22.Rb1 c4 23.0–0 c3! 24.Kh1 Ng4 25.Rbc1–/+ Kh8 26.Rc3=+ Bc5 27.h3 Ne5 28.fe5 Rc7 29.Rf7 Rcc8 30.e6 Ba4 31.g4 Bc6 32.Rd3 Rd7?? 33.ed7+– (33.ed7 Bd7 34.Rd7+–) 1–0. Palmkoeck,William – Woelfelschneider,Peter, corr TKM/A004, 1999.

10.Nc3 Bf5

11.Qb1 Qc8 12.Be2 Qd7 13.0–0 Nf3 14.gf3 ef3 15.e4 fe2 16.Re1 Bg6–/+ 17.f3 –/+.

11.Qb1 Nd3 12.Bd3 ed3 A) 13.f3 d5 14.g4 Bg6 15.g5 Nh5 16.Nd5 Bg5 17.Rg1=+; B) 13.0–0 d5 14.cd5 Nd5 15.Qc1 Re8 16.Nd5 Qd5 17.Qc3=+.

11.Qb1 Qd7 12.Be2 Nd3 13.Bd3 ed3 14.f3 d5 15.g4 d4 16.gf5 dc3–/+ 17.Bc3 –/+.

11.Qb1 Re8 12.f3 A) 12...Ned7 A1) 13.fe4 Ne4 14.Bd3 Bh4 15.g3 Bf6 16.Ne4 Be4=+ 17.Be4=+; A2) 13.Be2 ef3 14.Qf5 fe2 15.Ne2 Nb6 16.Nc3 d5 17.cd5=; B) 12...d5 13.cd5 Nd5 14.Ne4 Bh4 15.Ke2 Nf3 16.gf3 Re4=+ 17.Rg1=+.

11.Rb1 a6 12.Be2 Be6 13.ba6 Ra6 14.Qb3 Qb6 15.Qc2 Rfa8 16.0–0 Qc6 17.Qb3 =+.

11.Rb1 Qc8 12.Nd5 Nd5 13.cd5 Bg4 14.Qc2 Qf5 15.Be5 Qe5 16.Bc4 f5=+ 17.Qc3 =+.

11.Rb1 Qd7 12.Nd5 Rfd8 13.Be2 Re8 14.Ne7 Qe7 15.0–0 Qe6 16.Bc3 d5=+ 17.Rc1 =+.

11.Qb3 Qd7 12.h3 Bg6 13.Be2 Qf5 14.g4 Nf3 15.Kd1 Qd7 16.d3 Ne5 17.de4 Ne4 18.Rh2 Nc3 19.Bc3 f5 20.Kc1 fg4–/+ 21.Qd1 g3! 22.fg3 Bf6 23.h4 Qe6 24.h5 Nf3! 25.Bf3 Qe3 26.Qd2 Qf3 27.Kb2 Bh5 0–1. Muri,Heinrich (2340) – Ludwig,Christoph (2270), corr ICCF EM/MN/053, 2002.

11.d4 ed3 12.f3 Nfd7 13.e4 Be6 14.Bd3 Bh4 15.g3 Bf6 16.Be2 Nb6 17.Qb3 =+.

11.Be2 Qa5 12.Rb1 Rfb8 13.h3 a6 14.0–0 ab5 15.Ncb5 Qd8 16.Qb3 Ra6 17.Rfd1 =+.

9.d4 ed3

10.Bd3 Be6 11.Nba3 Qa5 12.Ke2 a6 13.Rb1 –/+.

10.Bd3 Be6 11.Nba3 Qa5 12.Kf1 a6 13.Qe2 –/+.

10.Bd3 Be6 11.Nba3 Qa5 12.Kf1 a6 13.Kg1 –/+.

10.Bd3 Be6 11.Nca3 Nd3 12.Qd3 d5 13.cd5 Qd5 14.Qd5 Nd5 15.0–0 0–0 16.Nd2 Rfd8 17.Nac4 Rd7 18.a4 Nb4 19.Bc3 Rad8 20.f4 Rd3 (20...Rd3 21.Bb4 cb4–/+) 0–1. Dominguez,Carlos – Morau,Jose Roberto, TT–04–0050 B, 2004.

10.Bd3 Be6 11.Nca3 Nd3=+ 12.Qd3 d5 13.cd5 Qd5 14.Qd5 Nd5 15.Ke2 0–0 16.Nd2 a6 17.Rhc1 ab5 18.Nb5=+ Ra5 19.a4 Rfa8–/+ 20.Nc3 Nc3–+ 21.Bc3 Ra4 22.Rab1 Bd5 23.f3 Ra2 24.e4 Bc6 25.Rb6 Bg5 26.Rb2 Rb2 27.Bb2 Ra2 28.Ra1 Bb5 29.Ke1 Ra1 30.Ba1 Bd3 31.Nb3 Be3 32.Na5 b5 33.Nc6 f6 34.Ne7 Kf7 35.Nd5 Bg1 36.h3 f5 37.ef5 Bf5 38.Kd2 (38.Bb2 b4–+) 0–1. pierre – khamin, ChessHere.com, 2006.

10.Bd3 Be6 11.e4 Nc4–/+ 12.Bc4 Bc4 13.Nc3 a6 14.a4 ab5 15.Ne3 b4 16.Nc4 bc3 17.Bc3 Ne4 18.Bb2 d5 19.Qc2 Bf6 20.0–0 Bb2 21.Nb2 Qb6 22.Rfd1 Qc6 23.Nd3 0–0–0 24.a5 d4 25.a6 ba6 26.Nb4 Qb7 27.Na6+= d3 28.Rd3 Rd3 29.Qd3 Rd8 30.Qh3 Rd7 31.Qf5 g6 32.Qe5= Rd5 33.Qe8 Rd8 34.Qa4 Qb6 35.Qe4+/– Qa6 36.Rc1 Qd6 37.h3 Kd7 38.Re1 Kc7 39.Qa4 Rb8 40.Qa2 f5 41.Qf7+– Kc6 42.Qh7 c4 43.Qa7 Rb3 44.Ra1 Kd5 45.Kh1 Rd3+= 46.g3 Qe6 47.Ra6+– Qe1 48.Kh2 Qd2 49.Ra2 Qb4 50.Qa8 Kd4 51.Qd8 Kc3 52.Qh8 Rd4 53.Qe5 Kb3 54.Ra1 c3 55.Rb1 Kc2 56.Rb4 Rb4 57.Qd6 Kb3 58.Qg6 c2 59.Qe6 Rc4 60.Qe3 Kb2 61.Qd2 Ra4 62.h4 Ra1 63.Qb4 Ka2 64.Qa5 Kb2 65.Qe5 Ka2 66.Qd5 Kb2 67.Qb5 Kc1 68.h5 1–0. b4_player – opponent, gamecolony.com, 2007.

10.Bd3 Be6 11.Be5 de5 12.0–0 e4 13.Be2 –/+.

9.Be5 de5

10.Nc3 Bf5 11.Be2 Qd7 12.Na3 0–0 13.Qc2 Rfd8 14.0–0–0 (14.Rd1!?–/+) 14...a6–+ 15.h3 h6 16.g4 Bg6 17.h4 (17.b6!?–+) 17...ab5 18.Nab5 Ng4 19.Bg4 Qg4 20.Nd5 Bf8 (20...Kf8 21.Ne7 Ke7 22.Nc7–+) 21.h5 Bh5 22.Nf6 gf6 23.Rdg1 f5 (23...Qg6 24.Rg6 fg6 25.Nc7–/+) 24.f3 (24.Nc7!? Ra3 25.f3–/+) 24...Qg6!–+ 25.Rg6 fg6 26.Rh5 gh5 27.fe4 fe4 28.Nc7 Ra3 29.Qe4 Bg7 (better is 29...Rd7!? 30.Ne6 Rf7+=) 30.Qb7+/– Rf8 (30...Bf6 31.Qe4 Kf7 32.Qh7 Bg7 33.Qf5 Kg8 34.Qg6+/–) 31.Kb2 Rd3 32.Ne6 Rf7 33.Qa8 Bf8 34.Qg2 Bg7 35.Nc5 Rd6 36.Ne4 Rb6 37.Kc2 h4 38.Qg4 Rc6 (38...Ra7 39.Nc3+/–) 39.d3+– Ra7 40.Nc3 (40.Qh4?! Ra2 41.Kb3 Rca6 42.Qd8 Kh7+/–) 1–0. Spierings,John – Cherner,Lyle (1825), 1st Webchess Open Tournament group, 2005.

10.Nc3 Bf5 11.h3 0–0 12.g4 Bg6 13.h4 –/+.

10.Be2 Bf5 11.g4 Bg6 12.h4 h6 13.Nc3 –/+.

10.Nc3 0–0

11.d3 Bf5 12.Ne4 Ne4 13.de4 –/+.

11.Be2 a6 12.0–0–/+ ab5 13.cb5 –/+.

11.Be2 Qc7 12.g4 a6 13.g5 =+.

11.Be2 Be6 12.0–0 Qd6 13.Qc1 Rfd8 14.Rd1 Bf5 15.Rb1 Qe6 16.Rb3 h6 17.Ra3 Bf8 18.Ra4 Rd7 ½–½. Benassi,Aspasio (2135) – Sorcinelli,Andrea (1750), RA–2012–0–00223, 2012.

11.Be2 Bf5 12.g4=+ Bg6 13.f3 ef3–+ 14.Bf3 Qd3 15.Na3 Ng4! 16.h4 Ne3! 17.Qe2 Qe2 18.Ne2 e4 (18...e4 19.de3 ef3–+) 0–1. Maly,Wolfgang – Marth,Stefan, corr GER jub50 qJVH05, 1996.

7.bc5 dc5

8.Nb3 0–0 9.Be2 Re8 (9...Nc6!?–/+) 10.0–0= Bd6 11.Nc3 a6 12.h3 (12.d4 cd4 13.ed4 Qc7=) 12...Nbd7 (12...Nc6 13.d3 Bf5 14.de4 Ne4 15.Ne4 Be4 16.Bf3+=) 13.d4 (13.d3 ed3 14.Qd3 Ne5+=) 13...ed3 14.Bd3 (14.Qd3 Ne5 15.Qc2 Be6+=) 14...Bb8 (14...Ne5!? 15.Be2 Bf5+=) 15.Qe2+= Ne5 16.Rad1 (16.Bc2 Be6 17.Rfd1 Qb6+=) 16...Qc7 (16...Nd3 17.Rd3 (worse is 17.Qd3 Qd3 18.Rd3 Be6+=) 17...Qe7 18.Rfd1=) 17.f4+= Nd3 18.Qd3 b5 19.Nd5 (worse is 19.cb5 c4 20.b6 Qb6 21.Qc4 Qe3 22.Kh1 Bb7+=) 19...Nd5 20.Qd5 (worse is 20.cd5 c4 21.d6 cd3 22.dc7 Bc7+=) 20...Bb7 (20...bc4 21.Nc5 (21.Qa8 Bb7 22.Rd7 Ba8 23.Rc7 Bc7 24.Nc5 Re3–+; 21.Qc4?! Be6 22.Qc3 f6=) 21...Ba7 22.Qa8 Bc5 23.Bd4+=) 21.Qg5 f6 22.Bf6 bc4 23.Be5 Qf7 24.Nc5 Bc6 25.Bd4 Bc7 (better is 25...Qg6!?+/–) 26.f5+– Bd8 27.f6 g6 28.h4 Bc7 29.h5 Rad8 30.hg6 (30.Rf5 a5+–) 30...hg6 31.Rf5 a5 32.Qg4 (better is 32.g3+–) 32…Re3= (32...Re3 33.Rf2 Ree8=) 0–1. Dubreuil,Remy (1850) – Giffard,Nicolas (2360), Pau FRA, Senior Ch, 2012.

8.Nb3 Nc6 9.Be2 Bf5 10.0–0 Qc7 11.Nc3 Rd8 (11...0–0 12.f3 ef3 13.Rf3=) 12.f4 (12.g4 Be6 13.Nb5=) 12...ef3 13.Bf3 Bd3 14.Nd5 Nd5 15.Bd5 0–0 16.Rf2 Bg6 17.e4 Nb4 18.Qf3 Nd5 19.cd5 Bd6 20.g3 f5 21.e5 Be5 22.d4 cd4 23.Bd4? (better is 23.Nd4!? Bd4 24.Bd4–/+) 23...Bd4–+ 24.Nd4 Qe5 25.Rd1 Qd5 26.Qb3 a6?? (26...Rfe8 27.Rc1 Qb3 28.Nb3–+ (worse is 28.ab3 Rd4 29.Rc7 Re1 30.Kg2 Be8–+)) 27.Rfd2? Qf7 28.Qb4 Rfe8 29.Qb6 h6 30.a4 Kh7 31.Rf1 Rd5 32.Rdf2 Qd7 33.Rf4 Rd6 34.Qb2 Re4 35.Rh4 Qa4 36.Nf3 Rh4 37.Nh4 Qd4 38.Qd4 Rd4 0–1. Djurisic,D (1960) – Dragomirescu,An (2170), XXIII Belgrade Trophy, 2010.

8.Nb3 Bf5 9.Be2 Qd7 10.Nc3 Nc6 11.Na4 (11.g4 Ng4 12.Ne4 Be4 13.Bg4 f5 14.Bh5 g6 15.Bh8 Bh1–/+) 11...b6–/+ 12.a3 0–0 13.h3 Ne8 (13...Qd6 14.0–0–/+) 14.Ra2 (14.Nc3 Bf6–/+) 14...Rd8 (14...Nd6 15.0–0–/+) 15.Bc3 (15.Qc2 h6–/+) 15...Bd6 16.Nb2 Nc7 (16...Be5 17.0–0–/+) 17.Bg4 (17.0–0 Qe6–/+) 17...Ne5 18.Be2 (18.Bf5 Qf5 19.Be5 Qe5–/+) 18...Qc6 19.Nc1 (19.a4 a6–/+) 19...Be6 (19...Ne6 20.Qa4–+) 20.a4 (20.0–0 f6–/+) 20...a5 (20...Na6 21.Ra1–+) 21.Qc2 (21.0–0 Na6–+) 21...f5 (21...Na6 22.Nb3–+) 22.g3? (better is 22.0–0!? Na6 23.d4 ed3 24.Ncd3–/+) 22...Na6 (22...Nd3 23.Kf1–+) 23.Qb3 (23.0–0 Nb4 24.Bb4 ab4–+) 23...Qb7 (23...Nb4 24.Ra1–+) 24.Rg1 (24.Ba5 Qa8 25.Bc3 Nb4 26.Bb4 cb4–+) 24...Nc6 (24...Nb4!? 25.Ra1–+) 25.Ra1 (25.f4 Nab4 26.Ra1 Qe7–+) 25...Bb8 (25...Qc7 26.Kf1–+) 26.h4 (26.f4 Nab4–+) 26...Nab4 27.Na2 (27.f4 ef3! 28.Bf3 Qd7–+) 27...Ne5 28.Nb4 (28.Be5 Be5 29.Nc3 Qe7–+) 28...ab4 29.Be5 Be5 30.Rd1 Rd7 (30...Rd6 31.h5–+) 31.d4 (31.h5 Qc6–+) 31...cd4 32.ed4 Bd4 33.Qb4 Qc7 34.Qb3 (34.Rd4 Rd4 35.h5 Rfd8–+) 34...Qe5 35.Rb1 (35.Rd4 Rd4 36.Nd1–+) 35...Qa5 (35...f4 36.Nd1 f3 37.h5–+) 36.Kf1 f4 37.gf4 Rf4 38.Nd1 Rdf7 39.Rg2 0–1. Tagirov,Kajum K (1925) – Selegenenko,Vladimir (2160), Memorial Dautov, 2008.

8.Nb5 Nc6 9.Be2 0–0 10.f4 Nb4 11.0–0 Nd3 12.Qb3 Nb2 13.Qb2 Bd7 14.N5c3 Bc6 15.Nd1 Qd7 16.Nf2 Rad8 17.a3 a6 18.Qb6 Qc8 19.a4 Nd7 20.Qb3 f5 21.Ra2 Nf6 22.Nc3 Qe6 23.a5 h6 24.Na4 Kh7 25.Nb6=+ Rg8 26.Qc3 Bd6 27.g3 g6 28.h3 g5 29.Kh2 Rg7 30.Raa1 Rdg8 31.Rg1 Qe7 32.Raf1 Bc7 33.Qb2 gf4–/+ 34.gf4 Bf4 35.ef4 e3 36.Nd5 Nd5 37.Rg7= Rg7 38.cd5 Bd5 39.Bg4 fg4 40.Qc2 Kh8 41.Ng4 Rg4! (42.de3 Rg2 43.Qg2 Bg2 44.Kg2 Qe3–+) 0–1. Volkov,Nikolai (2165) – Prohorov,Vladimir (2230), Yalta op, 1995.

8.Nb5 Bf5 9.Be2 –/+.

8.Ne2 0–0 +=.

5.Nf3 Bf5

6.Qb3 0–0 7.Be2 Nbd7 8.0–0 c5 9.b5 Nb6 10.a4 a5 11.Nc3 Re8 12.d3 Qd7 13.h3 h6 14.Rad1 e4 15.de4 Ne4 16.Ne4 Be4 17.Nd2 Bg6 18.Bf3 Bh4 19.Bd5 Nd5 20.cd5 b6 21.Nc4 Rab8 22.g4 h5 23.f3 hg4 24.hg4 Qe7 25.e4 Bg5 26.Rde1 Bf6 27.Re2 Bb2 28.Qb2 Qh4 29.Rh2 Qg3 30.Qg2 Qf4 31.Qd2 ½–½. Van Esbroeck – Leuschner, corr CIF 1989–94.

6.Nc3 0–0 7.Be2 Nbd7 8.0–0 Ne4 9.Ne4 Be4 10.d3 Bg6 11.Qc2 b6 12.Nd2+= a5 13.a3 ab4 14.ab4 Ra1 15.Ra1 f5 16.Bf3+/– Nf6 17.Bc6 d5 18.Be5 Bb4 19.Nf3 dc4?? 20.Qc4+– Bf7 21.Qb4 Qd3 22.Bc7 Ne4 23.Ne5 Bd5 24.Qf8! Kf8 25.Ra8 Ke7 26.Re8 Kf6 27.Bd8# 1–0. pierre – oleg_ua58, internet, 2008.

6.d3 e4 7.Nd4 Qd7 8.f3 ed3 9.e4 Bg6 10.Bd3 0–0 11.a3 Nc6 12.0–0 Nd4 13.Bd4 b6 14.b5 Rfe8 15.Re1 Rac8 16.Qc2 Nh5 17.Nd2 Bf6 18.Bf6 Nf6 19.Rad1 Nh5 20.Nf1 Qe7 21.g3 Qg5 22.Qf2 f5 23.h4 Qf6 24.ef5 Bf5 25.Ne3 Bd3 26.Rd3 Qg6 27.Rd2 Ng3 28.Ng2 Re1 29.Qe1 Re8 30.Qd1 Nf5 31.Kf1 Qf6 32.f4 Ne3 33.Ne3 Qf4 0–1. Bonnet – Mallard, corr 1964.

6.d4 ed4 7.Nd4 Bg6 8.Nc3 0–0 9.Bd3 Bd3 10.Qd3 Nbd7 11.Nf5 Ne5 12.Qd4 g6 13.Ne7 Qe7 14.f4 Nc6 15.Nd5 Nd4 16.Ne7 Kg7 17.Bd4 c6 18.g4 Rfe8 19.g5 Kf8 20.gf6 1–0. Buczinski – Cieslik, Chorzow 1966.

6.d4 e4 7.Nfd2 0–0 8.Nc3 d5 9.Qb3 c6 10.a4 a6 11.h3 h6 12.Be2 Nbd7 13.cd5 cd5 14.Nd5 Nd5 15.Qd5 Be6 16.Qe4 Bb4 17.Qd3 Qa5 18.Rd1 Rfd8 19.0–0 Nc5 20.Qc2 Na4 21.Ra1 b5 22.Nf3 Rac8 23.Qb1 Qb6 24.d5 Bd5 25.Bg7 Kg7 26.Qb4 Nc3 27.Qb2 Qf6 28.Nd4 Ne2 29.Qe2 Kh8 30.Qb2 Rg8 31.f3 Rg6 32.Rf2 Bb7 33.Re1 Rd8 34.Rd2 Kg8 35.e4 Qb6 36.Kh1 Rgd6 37.Nf5 Rf6 38.Ne7 Kg7 39.Rd8 Qd8 40.Qe5 Bc8 41.Nd5 Be6 42.Nf6 Qf6 43.Qg3 Kh7 44.f4 Bc4 45.Rd1 a5 46.f5 a4 47.Rd6 Qg5 48.Qe5 a3 49.Ra6 a2 50.Ra8 Qg7 51.f6 Qg5 52.Qb8 Kg6 53.Qd6 Kh7 54.Kh2 Be6 55.Qd4 Qf4 56.Kg1 Qc1 57.Kf2 Qf4 58.Kg1 Qc1 59.Kh2 Qf4 60.Kg1 Qc1 61.Kh2 Qf4 ½–½. Dzieniszewski – Radwan, Jastrzebia Gora 1988.

6.Be2 0–0 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 Bf5).

6.Be2 Nc6 7.a3 a6 8.d3 0–0 9.Nbd2 h6 10.0–0 Nh7 11.e4 Bg4 12.h3 Bh5 13.Nh2 (13.b5!? Na5 14.d4 ab5 15.cb5 ed4 16.Nd4 Be2 17.Qe2+=) 13...Bg6= 14.f4 ef4 15.Rf4 Bg5 16.Rf2 (16.Rf1 Be3 17.Kh1 f5=) 16...Qe7 (16...Be3 17.Ng4 Bf2 18.Nf2–/+) 17.Ndf3 (17.Nhf1 Bf6 18.Bf6 Nf6=) 17...Bf6 (better is 17...Be3–/+) 18.Bf6 Nf6 19.Nh4 Bh7 20.Nf5 Qe5 21.Ng4 Qc3?? (21...Ng4 22.Bg4 Bf5 23.ef5=) 22.Nf6?? (better is 22.Nfh6 Kh8 23.Nf6 gf6 24.Qe1+–) 22...Qf6= 23.Rf4 (23.Ne3 Qd4 24.Nd5 f5=) 23...Qe5 24.Rg4 Bf5+= 25.ef5 Nd4 26.Bf3 c6 27.Be4 f6 28.Qd2? Nf3! 29.gf3 Qa1 30.Kg2 Kh7 31.Kg3? Qa3 32.b5 ab5 33.cb5 cb5 34.Bb7 Ra7 35.Bc6 Qc5 36.Be4 Ra1 37.Kh4 Rf1 38.Rg2 Rb8 39.Qe2 Ra1 40.f4 d5 41.Bf3 b4 42.Bh5 b3 43.Bg6 Kh8 44.Qe6 Qf8 45.Rb2 Ra2 46.Rb1 b2 47.Qd5 Ra1 48.Rb2 Rb2 49.Qe4 Rb4 50.d4 Raa4 51.Qe6 Rd4 52.Qg8 Qg8 53.Bh7 Qh7 54.Kh5 Qf5 55.Kh4 Qf4 56.Kh5 Qh4 57.Kg6 Qg5 58.Kf7 Rd7 59.Ke6 Raa7 60.h4 Qe5 0–1. Fournier,Frederic (1815) – rwh555 (1720), Active (3/0), 2005.

6.Be2 Nbd7 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Bf5 5.Nf3 Nbd7 6.Be2 Be7).

6.Be2 h6 7.0–0 c6 8.d4 e4 9.Nfd2 0–0 10.a4 Nbd7 11.Nc3 d5 12.c5 g5 13.h3 Kg7 14.Re1 Rh8 15.f3 Qc7 16.fe4 Ne4 17.Nde4 de4 18.d5 Bf6 19.Rf1 Bg6 20.Bg4 Ne5 21.Rf6 Kf6 22.d6 Qd8 23.Nd5 cd5 24.Be5 Ke5 25.Qd4 1–0. Piron – Rooijakkers, corr BEL–NLD 1993.

6.Nc3 Nbd7

7.d4 Bg4 8.Be2 c6 9.de5 de5 10.a3 Qc7 11.Qc2 Nb6 12.Nd2 Be2 13.Ne2 0–0 14.Ng3 a5 15.Qb3 ab4 16.ab4 Ra1 17.Ba1 Rd8 18.Bc3 Rd3 19.0–0 Qd7 20.Nge4 Ne4 21.Ne4 f5 22.Ng3 g6 23.c5 Nd5 24.Rd1 Rd1 25.Qd1 Qe6 26.Ne2 Kf7 27.Bb2 Bf6 ½–½. Trip,R – de Vries,H, Barneveld, 2000.

7.Be2 0–0 8.a3 Re8 9.0–0 a5 10.d3 ab4 11.ab4 Nf8 12.e4 Bg6 13.Nh4 c6 14.Nf5 Ne6 15.g3 Ra1 16.Ba1 d5 17.Ne7=+ Re7 18.Bf3 dc4 19.dc4=+ Rd7 20.Qa4 Ng5 21.Bg2 Nge4 22.Ne4 Be4 23.Be5= Bg2 24.Kg2 h6 25.c5 Kh7 26.Qc2 Kg8 27.Bd6 Ne8 28.Bf4 Nc7 29.Bc1 Nd5 30.Qb2 Qe7 31.Qb1 Qe2–/+ 32.Kg1 Nc3 33.Qf5 Rd1 34.Qc8= Kh7 35.Qf5 Kh8 36.Qc8 ½–½. Riveline,Maurice – Le Coadou,Yves, Paris op–C, 1999.

7.Be2 c5 8.bc5 dc5 9.d4 ed4 10.ed4 =.

5.Nf3 Bg4

6.Qb3 0–0 7.d4 (7.h3 Bf3 8.gf3 a5=) 7...ed4 (7...a5 8.de5 de5 9.Ne5–/+) 8.Nd4 Nc6 9.Nd2 Nd4 10.Bd4 Nd7 (10...c5 11.bc5 dc5 12.Bc3+=) 11.Ne4 (11.h3 Bf5=) 11...f5 (11...c5!? 12.Bc3 cb4 13.Bb4 Nc5 14.Nc5 dc5+=) 12.c5= Kh8 13.cd6 fe4 14.de7 Qe7 15.Rc1 c6 16.Bc4 b5 17.Be2 (17.Bf1 Rac8 18.Qc3=) 17...Be6 (better is 17...Be2!? 18.Ke2 Ne5–/+) 18.Qb2 (18.Qc3 a5 19.Qc6 ab4 20.Qe4 Ra2 21.Bb5 Nf6+=) 18...Bd5= 19.0–0 a5 20.a3 ab4 21.Qb4 (21.ab4?? Ra2 22.Qa2 Ba2 23.Rc6 Qb4–+) 21...Qe6 22.Qb2 Qg6 23.Kh1 Rf7 24.f4 Qd6 Exerts pressure on the isolated pawn (24...ef3 25.gf3 Qe6 26.e4 Be4 27.fe4 Qe4 28.Kg1 Qg6 29.Kh1 Qe4 30.Kg1 Qg6 31.Kh1 Qe4=) 25.Bh5+= Re7 26.Ra1 (26.Qb4!? Qb4 27.ab4+=) 26...Bc4 27.Rfd1 Qh6 (better is 27...Bd3!?=) 28.Qb4+/– Re6 (28...c5 29.Bc5 Nc5 30.Qc5+/–) 29.Bf7 (29.Bg4 Ra4 30.Qd2 Bd5 31.Be6 Qe6+–) 29...Ra4? (29...c5 30.Bc5 Nc5 31.Qc5+=) 30.Qb2 (30.Bc3 Bd3 (30...Rb4?? 31.ab4 Re8 32.Be8+–) 31.Be6 Qe6+– (31...Rb4 32.ab4 Qe6 33.Ra8 Qg8 34.Rg8 Kg8 35.Bd4+–)) 30...Re7 31.Bc4 Rc4 32.Be5 (32.a4 ba4 (32...Ra4?? 33.Bc5 Re8 34.Rd7+–) 33.f5 c5+–) 32...Qe6 (32...Kg8 33.Rd6 Qh5 34.Bd4+=) 33.Rd6 Qf7 34.Rad1 Kg8 (worse is 34...Ne5 35.Rd8 (worse is 35.fe5 h6+=) 35...Re8 36.Qe5+/– (36.fe5 Rg8 37.Rg8 Qg8+–)) 35.g4 (35.Kg1 A) 35...Ne5?? 36.Rd8 (36.fe5?! h6=) 36...Re8 37.Qe5+– (37.fe5?! Qe7 38.Re8 Qe8=); B) 35...Qf5 36.Bd4 h6+/–) 35...h6 (35...Nc5 36.Rc6 Nd3 37.Rc4 bc4= (37...Nb2 38.Rc8 Re8 39.Rdd8 Rd8 40.Rd8 Qf8 41.Rf8 Kf8 42.Bb2+–; 37...Qc4?! 38.Qd2=)) 36.Bc3 (better is 36.Bd4!?+=) 36...Nc5+= 37.Rd8 (37.Rc6? Nd3 38.Rc4 Nb2 (38...bc4?! 39.Qc2=) 39.Rc8 Kh7–+) 37...Kh7 38.Bb4 (38.Qd2!?+=) 38...Nd3–/+ 39.Qd2? (better is 39.R8d3 ed3 40.Be7 Qe7 41.Qe5 Qe5 42.fe5–+) 39...Rd7–+ 40.Rd7 Qd7 41.Rg1 White prepares the advance g5 (41.g5 hg5 42.fg5–+) 41...Qd5 (better is 41...c5 42.Bc3 b4 43.ab4 cb4–+) 42.g5?? (better is 42.Qa2–/+) 42...Nb4–+ 43.Qe2 (43.Qg2 Rc2 44.g6 Kh8–+) 43...Nd3 (43...Rc2 44.Qh5 Nd3 45.Rf1–+) 44.Qh5 (44.gh6 g6–+) 44...Nf4 45.Qh4 Ne6 46.gh6 g6 47.Re1?? Ng5 48.Qf4 Nf3 49.Qf8 Qd7 50.Kg2 Rc2 51.Kg3 0–1. Lunin,Mikhail – Orekhovsky,Viktor, Zhukovskiy, 2010.

6.Qb3 a5 7.b5 +=.

6.Qb3 Nbd7 7.d4 (7.Nc3 a5 8.a3 Bf5=) 7...Bf3 (7...0–0 8.Nbd2+=) 8.gf3= ed4 9.Bd4 Ne5 (9...0–0 10.Nd2=) 10.Nd2 Qd7 (10...0–0!?=) 11.Rg1 Kf8 (11...Ng6+=) 12.Be2 (12.f4 Nc6 13.Bc3 h6+/–) 12...Nc6? (better is 12...Qh3!?=) 13.Bb2 Rg8 14.0–0–0 (14.f4 g6+/–) 14...a5 (14...Qh3 15.c5+=) 15.b5+/– Ne5 16.f4 Ng6 (16...a4 17.Qc2 Neg4 18.Ne4+/–) 17.a4 (17.Qd3 a4+–) 17...c6 (17...Qh3 18.Qd3+/–) 18.Kb1 d5 (18...Rc8 19.Qc2 Qc7 20.Ne4+/–) 19.cd5+– cd5 20.Ka1 (20.Bf3 Rd8 21.Ne4 Qf5+–) 20...Nh4 (20...Rd8 21.Rc1+/–) 21.Rc1 (21.e4 Qe6 22.e5 Nd7+/–) 21...Bb4 (21...h6 22.Ka2+/–) 22.Rgd1 (22.Nf3 Nf3 23.Bf3 Rd8+–) 22...Rc8+/– 23.Rc8 Qc8 24.Nf3 Nf3 (24...Nf5!?+/–) 25.Bf3+– Be7? (25...Ke7 26.Bd5 Rf8+–) 26.Bd5 Nd5 27.Qd5 (27.Rd5?! f6+–) 27...Qc2 (27...Ke8+–) 28.Rc1 Qc1 (28...Qa4 29.Kb1 Qc4 30.Rc4 Bh4 31.Rc7 Be7 32.Rc8 Bd8 33.Qd8) 29.Bc1 (29.Bc1 g6 30.Qb7 Bf6 31.Bb2+–) 1–0. Lunin,Mikhail – Chumurin,Aleksandr, 2009.

6.Nc3 Nbd7 7.h3 Bh5 8.Bd3 c6 9.0–0 Qc7 10.Rc1 a5 11.b5 c5 12.Nd5 Nd5 13.cd5 Nf6 14.Qb3 e4 15.Bf6 ef3 16.Bg7 Rg8 17.b6 Qd7?? 18.Bb5+– Rg7 19.Bd7 Kd7 20.g4 Bg4 21.Qa4 Kd8 22.hg4 h5 23.Rc4 Bf6 24.a3 Ke7 25.Re4 Kf8 26.Qd7 Be5 27.Qb7 Re8 28.Qd7 Bh2 29.Kh2 Re4 30.Qd6 Kg8 31.b7 hg4 32.b8Q (32…Kh7 33.Rh1 Re6 34.Kg3 Kg6 35.Qb1 Kf6 36.Rh6 Rg6 37.Qa1 Kg5 38.Qf4#) 1–0. Dingbat (2105) – Radivoj (1740), ICS game chess.net, 1998.

6.Nc3 e4 7.h3 Bh5 8.g4 Ng4? 9.hg4+– Bg4 10.Ne4 0–0 11.Rg1 Qd7? 12.Nh2 Bd1 13.Rg7 Kh8 (14.Rf7 Bf6 15.Rf8 Kg7 16.Nf6 Kf8 17.Nd7 Nd7 18.Rd1 Ke7+–). Woschkat,Karl_Heinz – Staats,Carsten, RSS7E–10 remoteschach.de, 2003.

6.d4 ed4 7.Qd4 Nc6 8.Qc3 0–0 9.Nbd2 Ne8 10.b5 Bf6 11.Qc2 Bb2 12.Qb2 Ne7 13.h3 Bh5 14.g4 Bg6 15.Nd4 c5 16.Ne2 d5 17.Nf4 d4 18.ed4 cd4 19.Bg2 Qc7 20.Ne2 (20.Qd4 Nf6+=) 20...Bd3 (20...d3!? 21.Nd4 Nd6+=) 21.Qd4= Rd8 22.Qa7?? (22.Qe3 Ng6 23.b6 ab6+=) 22...Ng6?? (22...Qe5!? 23.0–0 Be2 24.Nf3–+) 23.Qb7?? (better is 23.Qe3+=) 23...Qe5–+ 24.0–0 Be2 25.Nf3 Bf3 26.Bf3? Nd6–/+ 27.Qd5 Qf4 28.Rac1? Ne5 29.Be2? Ndc4 30.Qc5?? Nd2–+ 31.Rfd1 Nef3 32.Bf3 Nf3 33.Kg2 Nh4 34.Kf1 Rde8 35.Re1? Qh2 36.Re3 Nf3 37.Ke2 Ng1 38.Kf1 Nh3 39.Qf5 Re3 40.fe3 Qh1 41.Ke2 Qc1 42.g5 Qb2 43.Kf1 (43.Ke1 Qa1 44.Kd2 Rd8 45.Kc2–+) 43…Rd8 (43...Rd8 44.Qf7 Kf7 45.g6 Kg6 46.a4 Rd1) 0–1. Lunin,Mikhail (2230) – Medvedev,Mikhail (2195), Tournament (Elo) (a), 2008.

6.Be2 a6 7.d4 ed4 (7...e4 8.Nfd2 Be2 9.Qe2= d5 10.a3 c6 11.Nc3 a5 12.b5=) 8.Nd4 (8.Bd4 d5 9.c5 Nc6 10.Bc3 0–0 11.Nbd2 Be6 12.Nd4=) 8...Be2 9.Ne2 (9.Qe2 0–0 10.0–0 Nbd7 11.Rd1 a5 12.a3+=) 9...0–0 (9...d5 10.Qb3 dc4 11.Qc4 Nc6 12.a3=) 10.0–0 b5 (10...d5 11.cd5 Nd5 12.a3=) 11.Nd2 (11.cb5 ab5 12.Nd4=) 11...c5 (11...bc4 12.Nc4=) 12.bc5 (12.a3=) 12...dc5 13.Qc2 Nc6 14.Rfd1 Qc7 15.Ng3 b4 16.Nde4 Ne4= 17.Qe4 Bd6 18.f4 Rad8 19.Nh5 f6 20.g4 Rfe8 21.Qf3 Bf8 22.Kf2 Rd1=+ 23.Rd1 Rd8 24.Rd8 Nd8 25.Qd5 Kh8?? 26.Nf6!+– Nf7 27.Nd7 Kg8 28.Nf8 Kf8+/– 29.Qa8 Qd8 30.Qd8+– Nd8 31.f5 Nc6 32.Ke2+– a5 33.Kd3 a4 34.a3 Na5 35.h4 Kf7 36.ab4 cb4+= 37.c5 a3 38.Be5 b3 39.g5 b2 40.Kc2= Nc6 41.Bc3+/– Ke8? 42.e4?? Kf7 43.e5 Ke7? 44.h5+– Kf8 45.g6 (45.g6 hg6 46.hg6+–) 1–0. Suess,Stefan – Hellmann,Thomas, corr, 1984.

6.Be2 Ne4 7.Qc2+= f5 (7...Nf6 8.Nc3+/–) 8.h3+/– Bf3 9.gf3 Nf6 10.Qf5 Rf8 11.Nc3 Nbd7 (11...Qd7 12.Qc2 Na6 13.a3+–) 12.Rg1 Rf7 13.Qc2 Nb6 (13...a5 14.a3+–) 14.Ne4 Qd7 (14...h6 15.a4+–) 15.Ng5 Rf8 16.Bd3 h6 (16...Rg8+–) 17.Bg6 Kd8 18.Bf5 Qc6 (18...Qf5 19.Qf5 hg5+–) 19.Ne6 Ke8 20.Ng7 Kf7 (20...Kd8 21.Ne6 Ke8 22.Bg6 Kd7+–) 21.Be6# 1–0. pierred – anony, internet, 2014.

6.Be2 Bf5 7.Nc3 0–0 8.0–0 Nbd7 9.a4 c6 (9...c5 10.b5 e4 11.Ne1 d5 12.cd5 Nb6 13.d3 Nbd5 14.Ne4=) 10.Qb3 (10.d4 a5 11.b5 Rc8= 12.Rc1 Re8 13.Qd2 cb5 14.Nb5=; 10.a5 c5 11.b5 a6 12.b6 Nb8 13.d4 cd4 14.ed4+=) 10...Be6 (10...a5 11.b5= Nc5 12.Qd1 Bd3 13.Ne1 Be2 14.Ne2=) 11.Ng5 (11.d4 a5 12.b5 Qb6 13.Rad1 Rac8 14.e4=) 11...Bf5 (11...a5 12.Ne6 fe6 13.b5 Nc5 14.Qc2+=) 12.Rfd1 Ng4 13.Nf3 Bh4 14.Rf1 c5 15.b5 e4 16.Nh4 Qh4 17.h3 Nge5 18.Nd5 Qg5 19.Kh1 Qh6?? 20.Ne7+– Kh8 21.Nf5 (21.Nf5 Qe6 22.Ng3+–) 1–0. Kucharkowski,Jens – Schicke, Freital, 1982.

6.Be2 h6 7.d3= 0–0 8.Nbd2 Nbd7 9.0–0 a6 10.a4 Ne8 11.Re1 f5 12.Qb3 c5 13.b5 Bf6 14.Bc3 g5 15.h3+/– Bh5 16.Nh2 Bg6 17.Bf3 Rb8 18.Bd5 Kh7 19.Rad1 Nc7 20.e4 Nd5= 21.cd5 h5 22.Nc4 Qe7 23.ef5 Bf5 24.Ne3 Bg6=+ 25.Nhf1 Qf7 26.Ng3 Be7 27.Rf1 h4 28.Ne4= Be4 29.de4+/– Nf6 30.Qb1 ab5 31.ab5 Qg6 32.Nf5 Rbe8 33.f3 Nh5 34.Qc2 Ng3 35.Ng3 hg3 36.Be1 g4+/– 37.Bg3?? gf3 38.Kh2= fg2 39.Qg2 Bg5 40.Rf3 Rg8 41.Rg1 Rg7 42.h4 Bh6 43.Qf1 Qe4–/+ 44.Rf7 Reg8 45.Qf5? Qf5 46.Rf5 Be3 47.Rg2 Bf4! 48.Rh5 Kg6 49.Bf4 Kh5 50.Rg7 Rg7 51.Bg5 Rg5! 52.hg5 Kg5 53.Kg3 Kf5 54.Kf3 e4 (55.Ke3 Ke5–+) 0–1. Luneau,Gilles – Goldinger,Josef, Wch Seniors Bad Liebenzell, 1996.

6.h3 Bf5 7.Nc3 0–0 8.d4 c6 9.Bd3 Bd3 10.Qd3= Re8 11.0–0 Nbd7 12.Ne4 Ne4 13.Qe4 ed4 14.Qd4 Bf6 15.Qd2 Bb2 16.Qb2 Ne5 17.Ne5 de5 18.Rfd1 Qc7 19.c5 Re6 20.Rd3 Rd8 21.Rad1 Rd3 22.Rd3 e4 23.Qd4?? ed3–+ 0–1. gtate (1920) – vampirella (2235), net–chess.com, 2004.

6.Be2 0–0

7.0–0 a6 8.a4 c6 9.d3 b6 10.Nfd2 Bc8 11.Bf3 Bb7 12.Nc3 Nbd7 13.Nb3 d5 14.b5 ab5 15.ab5 cb5 16.Nb5 e4 17.de4 de4 18.Bg4 Nc5 19.Nc5 Bc5 20.Qd8 Rfd8 21.Bf6 gf6 22.Bf5 Rd2 23.Ra8 Ba8 24.Nc3 Rc2 25.Ne4 Be4 26.Be4 Rc4 27.Bc6 Be3= 28.Bd5 Rc5 29.Bf7 Kf7=+ 30.fe3 Ke6 31.Rb1 b5 32.Rb4 Kd6 33.Kf2 Kc6 34.Rf4= f5 35.Rh4 Rc4 36.Rh7 b4 37.Rf7 b3=+ 38.Rf8 Rb4 39.Rc8 Kb5 40.Rc1 Rc4 41.Rb1–/+ Rc2 42.Kf3 b2 43.h4 Kb4 44.g3 Kb3 45.e4 fe4 46.Ke4 Rc1 47.Rb2–/+ Kb2 48.Kf5 Rc5 49.Kg4 Kc3 50.h5 Kd4 51.h6= Ke4 52.Kh4?? Kf5–+ 53.g4 Kg6 0–1. hal1958 – ademarmr, playchess.de, 2002.

7.0–0 a6 8.a4 Nc6 9.b5 ab5 10.ab5 Ra1 11.Ba1 Na5 12.d3 b6 13.h3 Bh5 14.Nc3 Nb7 15.Nd2 Be2 16.Qe2 h6 17.Na2 Nc5 18.Nb4 Qd7 19.Nc6 Ra8 20.d4+/– ed4? 21.Bd4?? Ra2 22.Qd1 Qe6 23.Nb4 Nce4?? 24.Na2+– (24…Nd2 25.Qd2 Qc4 26.Rc1 Qb5 27.Rc7+–) 1–0. hal1958 – bossjos, playchess.de, 2004.

7.0–0 a6 8.Nc3 Nc6 9.b5 ab5 10.cb5 Na7 11.a4 Nc8 12.h3 Bh5 13.Ng5 Be2 14.Qe2 h6 15.Nge4 Re8 16.Ng3 Nb6. algernon (2320) – felippe (2140), net–chess.com, 2004.

7.0–0 b6 8.Nc3 c6 9.d4 Qc7 10.b5 ed4 11.Nd4+= Be2 12.Qe2 c5 13.Nf5+– Qd7?? 14.Qf3 d5 15.Nd5 Bd6 16.Nf6 (16.Nf6 Kh8 17.Nd7 f6 18.Nf8 Nc6 19.Nd7 Bh2 20.Kh2 Rd8 21.Bf6 h6 22.Bg7 Kg8 23.Qh5 Rd7 24.Qg6 Rg7 25.Qg7#) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.0–0 Nc6 8.a3 Qc8 9.d3 Nd8 10.Nbd2 c6 11.Ne1 Be2 12.Qe2 Ne6 13.Nef3 a6 14.Rfd1 Ne8 15.Ne4 f5 16.Nc3 f4 17.ef4 (17.d4 fe3 18.Qe3 ed4 19.Nd4 Nd4 20.Rd4 Bf6+=) 17...Rf4 (17...Nf4!? 18.Qf1 Qf5+=) 18.Ne4 Rf8 19.d4 Nf4 20.Qe3 Qg4 (20...d5!? 21.cd5 cd5=) 21.Ng3+= Bf6 (better is 21...Qe6!?+=) 22.de5+– de5 23.Ne5 Qg5 24.Nf3?? (24.Rd7 Rb8+–) 24...Qh6?? (better is 24...Nh3! 25.Kf1 Qe3 26.fe3 Bb2=) 25.Bf6 Nf6? (better is 25...Qf6 26.Ne5 Rd8+–) 26.Nf5 Qg6 (26...Nh3 27.gh3 Qh3 28.N3d4+–) 27.Qf4 (better is 27.Ne7 Kh8 28.Ng6 Ng6+–) 27...Nh5 (27...Rae8 28.Rd8! Qh5 29.Re8 Re8+–) 28.Ne7 (28.Ne7 Kh8 29.Ng6 hg6 30.Qc7+–) 1–0. Fournier,Frederic (1920) – canalou (1980), Active (5/0), 2005.

7.0–0 Nc6 8.b5 Nb8 9.d4 ed4 10.ed4 d5 11.c5 Ne4 12.Nc3 Nc3 13.Bc3 Nd7 14.Re1 Bf6 15.Qb3 Be6 16.Bd2 Re8 17.g3 (17.Bd3 a6+=) 17...Nf8 18.Qd3 Qd7 19.Bf4 Bf5 20.Qd2 Ne6 21.Be5 Nc5 22.Bf6 (22.dc5 Be5 Deflection (22...Be5 Overloading)) 22...Ne4 23.Qf4 Nf6 24.Ne5 Qc8 25.g4 Bg6 26.h4 Nd7 (better is 26...Re7+=) 27.h5+/– Ne5 28.de5 Bc2 29.Rac1 Ba4 30.Qa4 Re5 31.Bf3 Qe8 32.Re5 Qe5 33.Qb3 (33.Rd1 a6+–) 33...Rd8 34.Kg2 b6 35.Rd1 (35.Qc2!? Qg5 36.Re1 d4+–) 35...d4 36.Qd3 Qe6 37.Qe4 Qd6 38.Re1 g6 39.h6 Kf8 40.Qe5 Qe5 41.Re5 d3 42.Rd5 Rd5 43.Bd5 Ke7 44.Kf3 Kf6 45.Ke3 Kg5 46.Bf7 (46.Kd3?! Kg4 47.Bf7 Kg5+–) 46...Kh6 47.f4 Kg7 48.Bd5 1–0. Lugo,Sergio (1945) – Segovia,Luis (1925), Alfredo Pollio Memorial, 2009.

7.0–0 Nc6 8.b5 Nb8 9.d4 ed4 10.Nd4 Be2 11.Qe2 Nbd7 12.Nf5 Ne4? 13.Ng7 Bf6+/– 14.Bf6 Qf6=+ 15.Nh5 Qa1 16.Qg4 Kh8 17.Qe4 Rg8 18.Nd2 Qe5=+ 19.Qe5 Ne5 20.f4 Ng4 21.Rf3 Rge8 22.Nf1 Re6 23.h3 Nh6 24.g4 Rae8 25.f5 Re4?? 26.Nf6+/– Kg7 27.Ne8 Re8 28.f6 Kg6+/– 29.Rf4 Ng8 30.g5 Kg5=+ 31.h4 Kh6 32.e4 Re6 33.Ng3 Rf6 34.Nf5= Kh5 35.Ng7 Kh6 36.Rf6?? Nf6–+ 37.Nf5 Kg6 38.Ng3 h5 39.Kf2 Nd7 40.Kf3 Nc5 41.Nf5 Na4 42.Ne3 Nb2 43.Kf4 Nd3–/+ 44.Kf3 Ne5 45.Kf4 Nd3 46.Kg3 Ne5 47.Kf2?? (47…Ng4 48.Ke2 Ne3 49.Ke3–+; 47.Kf4 a5 48.Kg3–/+). bashful – mass, Live Game Caissa's Web, 2004.

7.0–0 Qd7 8.Nc3 Nc6 (8...e4!? 9.Nd4 Be2 10.Nce2 Na6+=) 9.b5+= Nd8 (9...Na5 10.Qa4 b6 11.h3+/–) 10.d4 (10.h3 Bf5+/–) 10...e4 11.Nd2 Be2 12.Qe2 Qf5 13.f3 ef3 14.gf3 (better is 14.Nf3!? Qh5 15.d5+=) 14...Ne6+= 15.Rf2 Ng5 16.Kh1 Rae8 17.d5 Qc2 (better is 17...Nh5!? 18.Nce4 a6=) 18.Nb3+= Qe2 19.Ne2 (worse is 19.Re2 Nf3 20.Na5 Rb8–/+) 19...h6 20.h4 Ngh7 21.Rg1 Nh5 22.Ng3 (22.Nf4!? N7f6 23.Nd3=) 22...Ng3= (22...Bh4 23.Nh5 Bf2 24.Rg7 Kh8 25.Rf7 Re5 26.Rf8 (worse is 26.Be5 de5 27.Rc7 Be3+–) 26...Nf8 27.f4+–) 23.Rg3 Bf6 24.Bf6 Nf6 25.e4 Nh5 26.Rg4 f5 27.ef5 Rf5 28.Nd4 Rf4 29.Ne6 Rf7 30.f4 c6 31.Rfg2 (31.bc6 bc6 32.f5 Nf6=) 31...Kh8 (31...cb5 32.cb5 Rc8 33.f5+=) 32.f5= cd5 33.cd5 Rf5 34.Kh2 (34.Ng7!? Ng7 35.Rg7 Rd5 36.Rb7=) 34...Re7 (worse is 34...Rd5 35.Nc7 Ree5 36.Nd5 Rd5 37.Rb2+=) 35.Rc4 Nf6 (35...Kh7 36.Rc8 Ref7 37.Rd8+=) 36.Nf4 (better is 36.Rc8 Re8 37.Ng7 Rc8 38.Nf5 Nd5 39.Rg6=) 36...Re8 37.Rc7?? (better is 37.a3–/+) 37...Nd5 (better is 37...Rf4 38.Rgg7 Rh4 (38...Nd5?! 39.Rh7 Kg8 40.Rcg7 Kf8 41.Rb7–/+) 39.Kg1 Re1 (39...Nd5?! 40.Rh7 Kg8 41.Rhg7 Kh8 42.Rh7 Kg8 43.Rhg7 Kh8=) 40.Kf2 Ra1–+) 38.Nd5= Rd5 39.Rb7 g5 40.a4 Rd8?? (better is 40...Rd4!? 41.hg5 Ra4 42.gh6 Re6=) 41.hg5 (better is 41.Ra7 Rb8 42.hg5 hg5 43.Rb2+–) 41...Rd4? (41...Ra8 42.gh6 Rh5 43.Kg1 Rh6 44.Rgg7+–) 42.a5?? White plans b6 (better is 42.Ra7 hg5 43.Rg5+–) 42...a6?? (42...Ra8!?+/–) 43.b6 (better is 43.ba6 Rh4 44.Kg1+–) 43...Rd5 (better is 43...Rh4 44.Kg1 hg5+–) 44.Ra7 Rb8 45.Ra6 (45.gh6?! Ra5 46.Rgg7 Rh5 47.Kg3 Rh6=) 45...Rb5 46.gh6 Kh7 47.Ra7 Kh6 48.Kh3 d5 49.Rg4 Rb3 (49...d4 50.Rd4 Kg5 51.Kg3+–) 50.Rg3 (better is 50.Kh4 Rb1 51.Rd7 Rh1 52.Kg3+–) 50...Rb5 51.Rg4 Rb3 52.Kh4 Rb1 53.Rd7 Rb5 (53...Rh1 54.Kg3 Rd1+–) 54.Rd6 Kh7 55.Rg5 Ra5 56.Kh5 1–0. Dzera,Evgeniy (2210) – Rubakov,Sergey, Chervonny–09, 2009.

7.0–0 Qd7 8.d4 e4 9.Nfd2 Be2 10.Qe2 Re8 11.Nc3 d5 12.a3 c6 13.cd5 cd5 14.Qd1 Bd8 15.Qa4 Qe6 16.Qb5 Re7 17.Rfc1 a6 18.Qe2 Bc7 19.a4 Qd6 20.Nf1 Re6 (20...Qb4?? 21.Ba3 Qa5 22.Be7+–) 21.b5 Qd7 22.Ba3 h6 23.Bb4 a5 24.Ba3 b6 25.Qa2 Ra7 26.Rc2 Bd6 27.Rac1 Ba3 28.Qa3 Rc7 29.Ne4! Rc2 (29...de4 30.Rc7 Discovered attack; 29...Re4 30.Rc7 Discovered attack; 29...Ne4 30.Rc7 Discovered attack) 30.Nf6 Rf6 31.Rc2 Qf5 32.Qc3 Kh7 33.Ng3 Qe6 34.Qd3 Kg8 35.Qc3 Kh7 36.Qc8 Qc8 37.Rc8 Nd7 38.Rc6 (better is 38.Rd8 Rd6 39.Nf5 Rf6+–) 38...g6 39.Ne2 g5 40.Nc3 Re6 41.Nd5 Kg7 42.f3 Kg6 (42...h5 43.Kf2+–) 43.Kf2 h5 44.e4 h4 45.e5 Kf5 46.Ne3 Kg6 47.d5 1–0. Simonis,Karolis – Kruzinauskas,Stasys, LTU, Team Men Ch, 2012.

7.0–0 e4 8.Nd4 Bd7 9.d3 ed3 10.Qd3 c5 11.bc5 dc5 12.Nf5 Bf5 13.Qf5 Nc6 14.Rd1 Qc7 15.Nc3+/– Bd6? 16.Nb5+– Bh2 17.Kh1 Qb8 18.Bf6 gf6 19.Bd3 Rd8 20.f4 Rd3 21.Rd3 Ne7 22.Qf6 Qf8 23.Kh2 Nc6 24.e4 Rc8 25.Rg3 Qg7 26.Qg7# 1–0. woschkat (2350) – austen (1690), net–chess.com, 2002.

7.0–0 e4 8.Nd4 Be2 9.Qe2 c5 10.bc5 dc5 11.Nf5 g6 12.Ne7+/– Qe7 13.Bf6 Qf6 14.Nc3 Nc6 15.f3 ef3+= 16.Rf3 Qe5 17.Raf1 f5= 18.Qf2 Nb4 19.g4 Nd3 20.Qe2 Qd6 21.gf5+/– Ne5 22.Rf4 g5? 23.Ne4+– Qd3 24.Qd3 Nd3 25.Rg4 h6 26.h4 Ne5 27.Rg3 Kh7 28.hg5 hg5 29.Rg5 Nc4 30.Rf2 Rf6 31.Rh2 Rh6 32.Nf6 (32.Nf6 Kh8 33.Rh6#) 1–0. MarcosRamos (1715) – CarlosLacerda, internet, 2007.

7.0–0 e4 8.Ne1 Be2 9.Qe2 d5 =.

7.0–0 Re8 8.Re1 Nbd7 9.Nc3 c6 10.d4 e4 11.Nd2 Be2 12.Qe2 d5 13.b5 Bb4 14.cd5 Bc3 15.Bc3 cd5 16.Rec1 Rc8 17.Bb4 h6 18.Nb3 b6 19.Rc2 Nb8 20.Rac1 Qd7 21.a4 Qb7 22.h3 a5 23.Bd6 Nbd7 24.Rc7 Rc7 25.Rc7 Qa8 26.Qc2 Qd8 27.Nc1 Kh8 28.Ne2 Ng8 29.Nf4 Ndf6 30.Qc6 g5+/– 31.Qb6 (31.Qb6 gf4 32.Bf4+/–; 31.Nd5?! Re6 32.Rc8 Qd6 33.Nf6 Rf6=) 1–0. pumpkin (1675) – joaquimnunes (1840), net–chess.com, 2001.

7.a3 Nbd7 8.0–0 a6 9.h3 Bh5 10.Nd4 Bg6 11.Nf3 c6 12.Nc3 Qc7 13.d4 ed4 14.ed4 d5 15.c5 b5 16.Bd3 Bd3 17.Qd3 Rfe8 18.Rfe1 Bf8 19.Rad1 g6 20.Bc1 Bg7 21.Bg5 a5 22.Re8 Ne8 23.Re1 Nef6 24.Ne2 ab4 25.ab4 Ne4 26.Bf4 Qa7 27.Ng3 Ng3 28.Bg3 Nf6 29.Nd2 Re8 30.Re8 Ne8 31.Nf3 Nf6 32.Ne5 Qa8 33.f3 Nh5 34.Bh2 Qa1+= 35.Kf2 Qb2 36.Ke3?? Be5?? 37.Be5–/+ Qb4 38.g4 Ng7 39.Bg7? Kg7 40.f4 Qc4 41.g5 Qd3 42.Kd3 h6 43.h4 hg5 44.hg5 f6 45.Kc3 fg5 46.fg5 Kf7 47.Kd3 Ke6 48.Ke3 Kf5 0–1. Fournier,Frederic (1970) – iks (2020), Active (5/0), 2004.

7.a4 a5=+ 8.b5 Nbd7 9.0–0 c6 10.h3= Bf5 11.d3 e4 12.Nd4 ed3 13.Nf5 de2= 14.Ne7 Qe7 15.Qe2 c5 16.Nc3 Nb6 17.Rfd1=+ Rfd8 18.e4 Qe6=+ 19.Nd5 Nbd5 20.cd5 Qe4 21.Qe4 Ne4 22.Rd3 Re8–/+ 23.Rc1 Nf6 24.Rf3?? Nd7 25.Rg3 f6 26.Rc4 Ne5 27.Re4 Kh8 28.h4 Nf7 29.Rf4? Ne5 30.h5 h6 31.Rf5 Re7 32.b6 Nd7 33.Bc3 Nb6 34.Rf6=+ Re1 35.Be1 gf6–/+ 36.Bc3 Nd5–+ 37.Bb2 Kh7 38.Rd3–/+ Nb6 39.Rd6 Nc4 40.Rd7+= Kg8 41.Bf6 b6 42.g4 Re8 43.Bg7 Re6 44.Bc3 Re4= 45.Rg7 Kf8 46.Rg6 Kf7 47.Kf1 Re6 (47...Ke7!?+=) ½–½. Weiss,Peter – Steiner,Florian, Baden opC Leimen, 2001.

7.Qb3 Nbd7 8.h3 Bf3 9.Bf3 c6 10.d3 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Qb6 14.0–0 Nc5 15.Qa3 Ne6 16.Nd2 Nd7 17.Bc3+= Qc7 18.Ra1 f5 19.Qb2 Bf6 20.Ra7 Qb6 21.Qa2 Kh8 22.Nb3?? e4–/+ 23.c5 dc5 24.Nc5 Nec5 25.bc5 Qc5 26.Bf6 Nf6 27.Be2 Qb4 28.Qa1 Nd5 29.Ra8 Nc7 30.Rf8= Qf8 31.de4 fe4 32.Qb1 b5 33.Qe4 Qe8 34.Qd4+= Kg8 35.Qd6 Ne6 36.Bd1 h5? 37.Bb3+– Kf7 38.Qe5 (38.Qe5 g6 39.f4+/–; 38.f4!? g6 39.e4+–) 1–0. Kuhlmann,Antonius Egidius J – Polee,JRB, corr, 1982.

7.Nc3 a5 8.b5 =.

7.Nc3 a6 8.d4 ed4 9.Nd4 Be2 10.Qe2 Re8 11.0–0+= Nbd7 12.Nf5 Ne5 13.h3 Qd7 14.Ne7 Re7 15.Rad1 Rae8 16.Nd5 Nd5 17.Rd5 Qc6 18.Rc1 b6 19.Rdd1 h6 20.Qc2 Ng6 21.a4 Nh4 22.Rd5 Re4 23.b5 ab5 24.ab5 Qb7 25.Qc3 f6 26.Re1 Qc8 27.Kh2?? Qe6?? 28.Bc1?? Re5 29.Re5 fe5= 30.e4 Rf8 31.Qg3 Ng6 32.Be3 Nf4 33.Bf4 Rf4–/+ 34.Qd3 Kh8 35.f3= Qf6 36.Ra1 h5 37.Ra7 Qf7 38.Qd5+/– Qd5 39.cd5 Rf7 40.Kg3 Kh7 41.h4 Kg6 42.Kf2 Kf6 43.Ke3 g5+= 44.hg5 Kg5 45.Ra8 Kh4 46.Rg8+/– Re7 47.Kf2 Rf7 48.Kg1 Re7 49.Kh2 (49.Kh2 Rg7 50.Rg7 c6 51.g3#) 1–0. Fredek (2090) – Sebl Jan, Freundschaftspartie, 5m + 0s, 2005.

7.Nc3 Na6 8.a3 c5 9.b5 Nc7 10.0–0 Re8 11.d4 cd4 12.ed4 ed4 13.Nd4 Be2 14.Nce2 d5 15.Qc2 Rc8 16.c5 Ne6 17.Ne6 fe6 18.Bd4 Qd7 19.a4 Bc5! 20.Bc5 b6 0–1. mtr – lykos, internet, 2001.

7.Nc3 b6 8.h3 Bh5 9.0–0 Nbd7 10.d4 ed4 11.ed4 c5 12.a3 Rc8 13.Re1 Re8 14.dc5 dc5 15.b5 Bf8 16.Qc2 Bf3 17.Bf3 Ne5 18.Bd5 Nd5 19.Nd5 Qg5 20.Be5 Re5 21.f4 Re1 22.Re1 Qg6 23.Qg6+– fg6 24.Re7! Ra8 25.Rb7 Bd6 26.a4 h6 27.g4 h5 28.g5 Kf8 29.Kf2 Kg8 30.Kf3 Kf8? 31.h4 Kg8 32.Rd7 Bf8 33.Ne7 Be7+/– 34.Re7 Kf8 ½–½. xadrezpg – tomy (2285), net–chess.com, 2010.

7.Nc3 e4 8.Ng5 Be2 9.Qe2 d5 10.cd5 Nd5 11.Nge4 Nb4 12.d4 f5 13.a3 Nd5 14.Qc4 c6= 15.Nc5 Rf7 16.0–0 Nd7 17.Ne6+= Qa5 18.Nd5 cd5 19.Qb3 Rc8 20.Qb7+= Nb6 21.Rac1 Bd8 22.Qc8+/– Nc8 23.Rc8 Rd7 24.Nc5 Re7 25.Bc3 Qb6 (25...Qc3 26.Rd8) ½–½. pcmvr (2695) – jjones (2685), net–chess.com, 2006.

7.Nc3 e4 8.Ng5 Bf5 =.

7.Nc3 Bf3 8.Bf3 c6 9.Qb3 Nbd7 10.0–0 Rb8 11.d4+= ed4 12.ed4 Qc7 13.Rfe1 Rfe8 14.g3 Nb6+= 15.Bc1 d5? 16.Bf4 Bd6 17.Bd6 Qd6 18.c5 (18.c5 Qc7 19.cb6 Qb6 20.Ne2+–) 1–0. jdzg – ocbl, internet, 2009.

7.d3 d5 8.c5 Bf3 9.gf3 d4 10.Nd2 b5 (10...Nd5 11.ed4 ed4 12.a3–/+) 11.f4 (11.a4!?=) 11...de3–/+ 12.fe3 ef4 13.e4 Nc6 14.a3 a5 15.Bc3 ab4 16.ab4 Ra1 17.Qa1 Qa8 18.Qb2 Qa7 (18...Nd8 19.Nb3=) 19.Rg1 Kh8 20.Nf3 h6 (20...Ra8!?=) 21.Nh4+/– Nb4 22.Bb4 (22.Qb4? Bc5 23.Qb2 Bf2 (23...Bg1?! 24.Bf6 Rg8 25.Kd1–+) 24.Kd1 Qa4 (24...Bg1?! 25.Bf6 gf6 26.Qf6 Kg8 27.Nf5=; 24...Bh4?! 25.Rf1–+) 25.Kd2 A) 25...Bh4?! 26.Ra1 Ne4 27.de4 Rd8 28.Bd3 Qe4 A1) 29.Bg7?? Kg8 30.Qb5 Qg2 (30...Kg7?! 31.Rg1 Kf8 32.Kc2–+) 31.Kc1 Kg7–+; A2) 29.Qb5–+; B) 25...Bg1 26.Bf6 Be3 (26...gf6?! 27.Qf6 Kg8 28.Nf5 Be3 29.Ke1 Qb4 30.Kf1 Qb1 31.Kg2 Qg1 32.Kh3–+) 27.Ke1 gf6 28.Qf6 Kh7–+) 22...Bc5 23.Rg2 Bd4 24.Bc3 Bc3 25.Qc3 c5 26.Nf5 b4 27.Qb2 (27.Qe5!? Re8 28.Qf4+–) 27...Qa3 28.Qe5 Qc1 29.Bd1 (29.Kf2 Rg8 30.Qe7+=) 29...Re8= 30.Qc7 Qc3 31.Rd2 Ne4 32.de4 Re4 33.Be2 f3 34.Qc8 (better is 34.Ng3!? Re5 35.Qf7 fe2 36.Ne2–/+) 34...Kh7–+ 35.Ng3 Re5 (35...Re2?! 36.Ne2 f2 37.Kf2 Qd2 38.Qf5 Kg8 39.Qc8 Kh7 40.Qf5 Kh8 41.Qc8 Kh7=) ½–½. Fournier,Frederic (2215) – Villa,Frederic, Ch Club, 2002.

7.d3 Nbd7 8.a3 c6 9.0–0 Qc7 10.h3 Bh5 11.Nbd2 a5 12.Re1 ab4 13.ab4 d5 14.Qb3 e4 15.de4 de4 16.Nd4 Be2 17.Re2 Ra1 18.Ba1 Re8 19.Nf5 Bd6 20.Nd6 (20.c5 Bf8+=) 20...Qd6 21.Nf1 Qe6 22.Qa2 Nb6 23.Bf6 Qf6 24.Ng3 h6 25.Rc2 (25.Rd2 Qe6=) 25...Qe6 (better is 25...Ra8!? 26.Qb2 Qb2 27.Rb2 Ra1 28.Kh2 Nc4–/+) 26.Ne2 Ra8 27.Qb3 Qe5 28.Rc1 Ra1 29.Qd1 Rc1 30.Qc1 c5 31.bc5 Qc5 32.Ng3 f5 33.Qb2 Nc4 34.Qb7 Nd6 35.Qe7+/– Qd5 36.Qd8 Kh7 37.Nf5! Qf5 38.Qd6 Qa5 39.Qf4 Qd5 40.f3 ef3 41.Qf3 Qc5 42.Qf4 Kg8 43.Kh2 Qe7 44.e4 Qf6? 45.Qf6+– gf6 46.Kg3 Kf7 47.Kf4 Kg6 48.g4 Kg7 49.Kf5 Kf7 50.h4 Kg7 1–0. Tagirov,Kajum K (1925) – Khizbullin,Aidar, Sterlitamak op, 2008.

7.d4 d5 8.c5 Bf3 9.Bf3 e4 10.Be2 c6 11.a4 b6 12.Qc2 Qd7 13.Nd2 Na6?? 14.Ba6+– b5 15.ab5 cb5 16.Ra5 Rab8 17.Bb5! Qg4 18.0–0 Bd8 19.Qa4 Ba5 20.Qa5 Rb7 21.Ba6 Re7 22.Re1 Re6 23.Be2 Qf5 24.Qa7 Ng4 25.Bg4 Qg4 1–0. Frydendal,Odd (2040) – Kristjanson,Scott, corr Norway–Canada, 2001.

7.d4 e4=+ 8.Nfd2 Be2 9.Qe2 c6 10.0–0 d5 11.b5 a6 12.a4 ab5=+ 13.cb5 cb5 14.ab5 Ra1 15.Ba1 Nbd7 16.Nb3 Qb6=+ 17.Rc1 Ra8 18.Bb2 Ne8 19.Nc3 Nc7 20.f3 f5 21.fe4 fe4 22.Nd2 Nf6 23.Ra1 Ra1 24.Ba1 Bb4 25.Ndb1 Qa5 (25...Bd6 26.Bb2=+) ½–½. Krafzik,Joachim (2115) – Birk,Dieter, Dresden GER–ch Seniors, 2001.

7.d4 e4 8.Nfd2 Be2 9.Qe2 d5 10.a3 c6 11.0–0 a5 12.b5 Re8 13.Nc3 Nbd7 14.a4 Bb4= 15.Rfc1 Qe7 16.Rc2 Rec8 17.Rac1 Nb6 18.c5 Bc3 19.Bc3 Na4 20.b6 Nc3=+ 21.Rc3 Ra6 22.Ra3 Rca8 23.Ra4= h5 24.Rca1 Qd7 25.Nb3 Kf8 26.Qd2 h4 27.h3 g5 28.Ra5 Ra5 29.Ra5 Rb8 30.Qe1 Ke7 31.Ra7 g4 32.hg4 Ng4 33.Na5 f5? 34.Qb4 Kf6 35.Qe1 h3?? 36.gh3 Qh7 37.hg4+– Rg8? 38.Kf1 Rg4 39.Ke2 Qh2 40.Kd2 Rg1 41.Qe2 Rg2 42.Kc3 Rf2 43.Qe1 ½–½. Lippmann,Ulrich (2060) – Usachyi,Mark (2160), Niedersachsen–ch Seniors, 2004.

7.d4 e4 8.Nfd2 Be2 9.Qe2 d5 10.a3 c6 11.Nc3 a5 12.b5 Nbd7 13.0–0 Qc7 14.Rfc1 Qd6 15.c5 Qe6 16.b6 h6 17.Na4 Nh7 18.Bc3 f5 19.g3 g5 20.f4 ef3=+ 21.Nf3 f4 22.Bd2 fg3 23.hg3 Qg4 24.Kg2 Nhf6 25.Rh1 Ne4 26.Be1 Rf6 27.Ng1 Qf5 28.Nc3 g4 29.Qd3?? Qf2!! 30.Bf2 Rf2# 0–1. Szary,Marcin (1875) – Sedlak,Andrzej (1700), Poland–chT Region, 2007.

7.d4 e4 8.Nfd2 Be2 9.Qe2 d5 10.cd5 Bb4 11.Qb5 a5 12.Qb7= Ra6 13.Nc3 Rb6–+ 14.Qa8 Qc8 15.f3 Ra6 16.Qa6 Qa6 (< 16...Na6 17.fe4 Qe8 18.0–0 Nd5 19.Nd5 Bd2 20.Bc3 Qe4 21.Nf6 gf6 22.Bd2–+) 0–1. rekt – conalma, internet, 2001.

7.d4 Bf3 8.Bf3= Nbd7 9.a3 c6 10.0–0 ed4 11.Nd2 de3=+ 12.fe3 d5 13.cd5 cd5 14.Qb3 Nb6 15.Rfd1 Rc8=+ 16.a4 Nc4 17.Bf6 Bf6–/+ 18.Rac1?? Nd2–+ 19.Rc8 Nf3 20.gf3 Qc8 0–1. Vaast,Jean Philippe – Lebon,Yohan, Reunion op 7th, 2004.

7.h3 Bd7 8.0–0 Bc6 (8...e4 9.Ne1+=) 9.d3 Nbd7 10.Nbd2 Nb6 11.a4 a6 12.a5 Nbd7 13.Qb3 d5 (13...b5 14.ab6 cb6 15.d4+=) 14.b5 (14.Ne5!? Ne5 15.Be5 dc4 16.Nc4+/–) 14...dc4 15.dc4 Nc5 16.Qc2 ab5 17.cb5 Bd7 (17...Bf3!? 18.Nf3 e4+/–) 18.Be5+– Qe8 (18...Bd6 19.Qc3+–) 19.Rfb1 c6 20.b6 Nd5 (20...Na6 21.Ng5 g6 22.Ngf3+–) 21.Bd4 (better is 21.e4!? Nf6 22.a6+–) 21...Ne6 22.Bb2 Ng5 23.Ng5 Bg5 24.Nf3 Be7 25.Bd3 h6 26.Ba3 (26.a6!? ba6 27.b7 Rb8 28.Ra6 Nb4+–) 26...Ba3 (26...Ra5!? 27.Be7 Ra1 28.Bh7 Kh8 29.Bf8 Rb1 30.Qb1 Qf8+=) 27.Ra3+/– Qe7 28.Rba1 Nb4 29.Qc3 Nd3 30.Qd3 Rfd8 31.Qc2 Qf6 32.a6 Bf5 33.e4+– Bh3 34.gh3 Qf3?? 35.Rf3 1–0. Fournier,Frederic (1970) – canora (1905), Active (5), 2004.

7.h3 Bd7 8.Nc3= a5 9.b5 b6 10.d4+= e4 11.Nd2+/– Bf5 12.0–0 Qc8 13.f3 ef3 14.Bf3 Ra7 15.e4 Bd7 16.e5 de5 17.de5 Ne8 18.Nde4 Be6 19.Nd5 Bd8? 20.Rc1 Nd7 21.Qd2 c5? 22.bc6!+– Qc6 23.Ndf6!! Kh8 24.Ne8 Bh3 25.N4d6 Qc5 26.Bd4 Bg5 27.Qf2 Qa3 28.Rc3 Qa4 29.Bd1 Qc6 30.Rh3 f6 31.Qf5 h6 32.Bc2 (32.Bc2 Qe4 33.Be4 g6 34.ef6 Bc1 35.f7 Ne5 36.Qe5 Kh7 37.Qg7#) 1–0. chessbrasil (1955) – thmiller (2105), net–chess.com, 2008.

7.h3 Be6 8.Nc3 Nbd7 9.a3 Nb6 10.Qb3 a6 11.d4 Rb8 (11...ed4!? 12.Nd4 a5=) 12.de5+/– de5 13.Ne5 Qd6 14.Rd1 Qe5 15.Nd5 Qd6?? (better is 15...Qg5 16.Ne7 Kh8 17.Bf6 Qg2 18.Bg7 Kg7+/–) 16.Nf6+– Bf6 17.Rd6 cd6 18.Bf6 gf6 19.0–0 Rbc8 20.Rc1 Rc7 (20...Rc6 21.b5 ab5 22.Qb5+–) 21.e4 Rfc8 22.Qg3 Kf8 (22...Kh8+–) 23.Qd6 Kg8 24.Qb6 1–0. Fournier,Frederic (2345) – stendall (1775), Active, 2008.

7.h3 Be6 8.Ng5 Qd7 9.Ne6= Qe6 10.d3 c6 11.g4 d5=+ 12.g5 Ne8 13.Bg4 Qd6 14.c5= Qd8 15.h4 f6 16.Nd2 d4 17.Be6+= Kh8 18.g6 h6 19.Nf3 Nc7= 20.Bf5 Nd5 21.ed4 ed4 22.Nd4+= Re8 23.Ne6+/– Qd7 24.Ng7+– Bf8?? 25.Ne8 Qe8 26.Qe2 Qe2 27.Ke2 Kg7 28.h5 Nb4 29.Bd4 Nc2 30.Be3 Na1 31.Ra1 Na6 32.d4 Nb4 33.a3 Nc2 34.Ra2 Ne3 35.fe3 a5 36.Rb2 Ra7 37.Bc8 a4 38.Rb7 Rb7 39.Bb7 Be7 40.Bc6 f5 41.Ba4 Bd8 42.Bd7 Kf6 43.a4 Bc7 44.Bf5! Kg7 45.e4 Bd8 46.e5 Kg8 47.Kd3 Kg7 48.Ke4 Bc7 49.d5 Kf8 50.d6 Bd8 51.c6 (51...Ke8 52.c7 Bc7 53.dc7 Kf8 54.c8Q Kg7 55.Qd7 Kg8 56.Be6 Kf8 57.g7#) 1–0. Dopper,Johan – Kramer,Piet, 1994.

7.h3 Bf3 8.Bf3 c6 9.b5 e4 10.Be2 d5 11.bc6 bc6 12.cd5 cd5 13.0–0 Nc6 14.Nc3 d4 15.ed4 Nd4 16.Bb5 (16.Rb1!?+=) 16...Nb5 17.Nb5 Rb8 18.Qa4 Qd2 19.Rfb1? (19.Be5 Rb7–/+) 19...e3 (better is 19...Bc5!? 20.Be5 Qf2 21.Kh1 Rb6–+) 20.fe3–/+ Qe3 21.Kh1 Ne4 22.Qd4 Qd4 23.Nd4 Bf6 24.Ba3?? (better is 24.Nb3–+) 24...Bd4 25.Rb8 (25.Bf8 Rf8 26.a4 Ba1 27.Ra1 a5–+) 25...Rb8 26.Re1 Nf2 27.Kh2 f6 28.g3 Rb2! 29.Kg1?? Kf7 30.Kf1?? Nh3 (30...Nh3 31.Re7 Kg6 32.Bb2 Bb2 33.Ra7 f5–+) 0–1. Fournier,Frederic (1635) – wwhy (1820), rated lightning game (1/0), 2002.

7.h3 Bf3 8.Bf3 e4 9.Be2 Nbd7 10.0–0 Nb6 11.Nc3 d5 12.c5 Nbd7 13.f3 Nh5 14.fe4 Ng3 15.Rf3 Ne2 16.Ne2 (better is 16.Qe2 Nf6 17.ed5+/–) 16...de4= 17.Rg3 Bf6 18.Bd4 c6 19.Qf1 Bd4 20.Nd4 Ne5 (better is 20...a5!? 21.Nf5 g6=) 21.Qf4+/– Nd3 22.Qe4 Nb4 23.Nf5 g6?? (better is 23...Nd3 24.Rb1 Rb8+–) 24.Qb4 Kh8 (24...Qd7 25.Rf1+–) 25.Qc3 (better is 25.Qb2 f6 26.Qb7 Rg8+–) 25...f6 26.Nd6 Qe7 27.Rf3 Qe5 (27...b6 28.Raf1 Kg7 29.Rf4+–) 28.Qe5 (better is 28.Nf7! Rf7 29.Qe5 fe5 30.Rf7 b6+–) 28...fe5 29.Nf7 Kg7 30.Ne5 Rae8 31.d4 1–0. Rush,Bradley – Linart,Ludvik, OP–2011–0–01547, 2011.

7.0–0 a5

8.ba5 e4 =.

8.b5 a4 9.a3 =.

8.b5 Nbd7

9.a4 Nc5 10.Nc3 Nfe4 11.Ne4+= Ne4 12.d3 Nc5 13.h3 Bh5 14.Nd2 Be2 15.Qe2 Bf6 16.d4 ed4= 17.Bd4 Bd4 18.ed4 Ne6 19.d5 Nc5 20.Rfe1 Re8 21.Qe8 Qe8 22.Re8 Re8 23.Kf1 g6 24.f3 Kg7 25.Ra3 Kf6 26.Kf2 h6 27.h4 b6 28.g3 g5 29.hg5 Kg5 30.Kf1 h5 31.Kf2 f5 32.Kf1 f4–/+ 33.Kf2 fg3 34.Kg3 h4 35.Kf2 Kf4 36.Kf1? Re3–+ 37.Ra2 Kg3 38.Ra1 h3 39.Kg1 Re2 40.Ne4 Ne4 41.fe4 Re4 42.Ra3 Kg4 43.Rc3 Re2 44.Rd3 Re4 45.Rc3 Rf4 46.Rc2 Kg3 47.Rc3 Rf3 48.Rc1 Ra3 49.Re1 Ra4 50.Re3 Kg4 51.Re4 Kf3 52.Rh4 Kg3 (52...Kg3 53.Rh3 Kh3–+) 0–1. Ruhle,Ernst Albrecht – Dieckmann,Daniel (1800), Seefeld op, 1999.

9.a4 e4 10.Nd4 Be2 11.Qe2 =.

9.Nc3 Nb6 10.c5 dc5 11.Ne5 Be2 12.Qe2 =.

9.Nc3 e4 10.Nd4 Be2= 11.Qe2 Nc5 12.Rad1 d5= 13.f3 Nd3=+ 14.Ba1 dc4 15.fe4 Bd6 16.Rf3 Ng4 17.h3 Nge5 18.Rff1 Re8 19.Nd5 c6 20.bc6=+ bc6 21.Nf4 Nc5 22.Nf5= Ne4 23.d3 cd3 24.Nd3 Ng6 25.Nf2+= Nf4? 26.ef4+– (26.ef4 Ng3 27.Nh6 (27.Ng3?! Re2 28.Ne2 Qe7+/–) 27...gh6 28.Qg4 Qg5 29.fg5 Ne2 30.Qe2 Re2 31.Rd6+–) 1–0. Kraatz – Kahn,Evarth, Nice, 1937.

9.d3 e4 10.Nd4 Be2 11.Qe2 ed3 12.Qd3 Nc5 13.Qc2 Ng4 14.Nd2 Ne5 15.Rad1 Bf6 16.Ba3 Re8 17.Nf5 Qc8 18.Ng3 Qe6 19.h3 Rad8 20.e4 Ned3 21.f4 Bd4 22.Kh2 Nf2 23.Nf3= Nd1 24.Nd4 Ne3 25.Ne6 Nc2 26.Bc5 Re6–+ 27.Rd1 Rde8 28.Bf2 Na3 29.Rc1 h5 30.f5 R6e7 31.f6 gf6 32.Nh5=+ Rc8 33.Bd4 c6 34.Rc3 cb5 35.Rg3 Kf8 36.Nf6 Rec7 37.Rg8 Ke7+/– 38.Nd5 Ke6 39.Nc7 Rc7+= 40.cb5 Nb5 41.Bb6 Rc2 42.Ba5 Ra2= 43.Bb6 Re2 44.Rb8 Re4 45.Rb7 d5 46.Bc5 Nc3 47.Re7 Kf6 48.Re4 Ne4 49.Bd4 ½–½. Sternik,Ryszard – Zurawski,Miroslaw, Olsztyn Poland, 1991.

9.d4 ed4 10.Bd4 c5 11.Bc3 b6 12.Ng5 Be2 13.Qe2 h6 14.Nf3 Ng4 15.Nfd2 Nge5 16.f4 Ng6 17.Rf3 Bf6 18.Ne4 Bc3 19.Nbc3+/– Qe7 20.Rd1 Nh4 21.Rh3 Nf5 22.g4+– Nf6? 23.Nf6 Qf6 24.Nd5 Qg6 25.Qg2 Ne3 26.Ne7 Kh7 27.Ng6 fg6 28.Re3 Rf4 29.Qa8 (29.Qa8 Rc4 30.Re8 Rg4 31.Kh1 Rg1 32.Kg1 g5 33.Qe4 g6 34.Qe7) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.0–0 c6

8.a4 d5 (8...Na6!? 9.b5 Nb4=) 9.Ne5+= Be2 10.Qe2 Bb4 11.Na3 dc4 12.Nac4 Nbd7 13.d4 Ne5 14.de5 Nd7 (14...Nd5 15.Rfd1 Qe7 16.Qg4=) 15.Rfd1 Qc7 16.Nd6 Bd6 17.ed6 (17.Rd6?! Rfe8+/–) 17...Qb6? (better is 17...Qd8+–) 18.Bg7! Kg7 19.Qg4 Kh8 20.Qd7 Rad8 (20...Qb3 21.Qc7+–) 21.Qf5 Qb4 (21...f6 22.Rab1 Qa6+–) 22.Rd4 Rd6 23.Rb4 Rfd8 24.Rd4 Kg7 25.Qe5 f6 26.Qe7 Kg6 27.Rg4 Kf5 28.Qe4 1–0. pierred – anony, internet, 2014.

8.b5 cb5 9.cb5 Nbd7 10.Ne1 Be2 11.Qe2 Nc5 12.Nc3 Rc8 13.Nd3 Nd3=+ 14.Qd3 Nd7 15.a4 Nc5 16.Qe2 f5 17.Nd5 Ne4 18.Ne7 Qe7= 19.f3 Nf6 20.e4 f4 21.Rac1 g5 22.Rc8 Rc8 23.Rc1 Qd7 24.d4 Rc1+= 25.Bc1 Qc7 26.Bb2 Kf7 27.de5 de5+= 28.Ba3 h5 29.Qa2+= Kg7 30.Qd2 Kg6 31.Kf2 g4 32.Bd6+= Qc4? 33.Be5+– Qc5 34.Bd4 Qd6? 35.Bc3 g3 36.hg3 fg3 37.Ke2 Qc5 38.Bf6 Kf6 39.Qf4 Ke6+/– 40.Qg3 Qc4 41.Kf2 Qa4? 42.Qg6+– Kd7 43.Qh5 Qd4 44.Kg3 Qd6 45.Kf2 Qc5 1–0. valpa – bossjos, playchess.de, 2004.

8.b5 d5 9.Ne5 Be2 10.Qe2 Bd6 11.Nf3 Qe7 12.cd5 Nd5 13.bc6 Nc6 14.Nc3 Nf4?? 15.Qe1 Nd3+= 16.Qb1 Nde5 17.Ne5 Ne5 18.Ne2 Ng4 19.g3 Qg5 20.Qe4 Nh2?? 21.Kh2+– Qh5 22.Kg2 Qe2 23.Bc3?? b6?? 24.Rae1?? Qh5+/– 25.Rh1 Qg6 26.Qg6 fg6 27.Rh4 a5 28.Rb1 Bc7 29.Rd4 Rab8 30.f4 Rfd8 31.Rd8 Rd8 32.Rc1 Bd6 33.Bd4 Rb8?? 34.Rb1 b5 35.a4 b4 36.Kf3 b3 37.Bc3 Bc7 38.e4 Kf7 39.Ke3 h6 40.Kf3 ½–½. valpa – Pantakrator, playchess.de, 2003.

8.d3 Qb6 9.Bc3 =.

8.d3 Qc7 9.a4 Nbd7 10.Nbd2 a6 11.Rc1 Qb8 12.Ba1 b5 13.Qb3 h6 14.Rfe1 Qb7 15.Nf1 Rab8 16.ab5 ab5=+ 17.c5 dc5 18.Ne5= Be2 19.Nd7 Nd7= 20.Re2 cb4 21.d4 Nb6 22.Nd2 Ra8 23.Qb1 Ra6 24.Qf5 Rfa8–/+ 25.Ree1 Rc8 26.Ne4 Nd7 27.d5 c5–/+ 28.Red1 c4 29.d6 Bf8 30.g4 c3 31.g5 g6 32.Qd7=+ Qe4?? 33.Qc8+– Ra2 34.Qh3 Qe8 35.d7 Qd8 36.gh6 Kh7 1–0. Niephaus,Friedel – Weiss,Hermann (1670), 12sen.Woerishofen, 1996.

8.d4 e4 9.Nfd2 Be2 10.Qe2 d5 11.a3 b6 12.Nc3. Pereira,Prashant – Jones,Michael, TE.2004.P.01703, 2004.

8.d4 e4 9.Nfd2 Be2 10.Qe2 d5 11.a3 Nbd7 12.Nc3 Ne8 13.cd5+/– f5 14.dc6+– bc6 15.Qc4 Kh8 16.Qc6 Nef6 17.Nb5 Rc8 18.Qe6 Rc2 19.Bc3 Ng4 20.h3 Rf6 21.Qb3 Rd2 22.Bd2 Nh6 23.Na7 Qb6 24.Nc8 Qd8 25.Ne7 Qe7 26.Rfc1 Nb6 27.Rc2 Nf7 28.Rac1 h6 29.Rc7 Qf8 30.a4 Kh7 31.a5 Ng5 32.ab6 Rb6 33.b5 1–0. Wall,Bill – Balut, internet, 2004.

8.d4 e4 9.Nfd2 Be2 10.Qe2 d5 11.cd5 cd5 12.Nc3 a6 13.a3= Nc6 14.Na4 Rc8 15.Nb3 Bd6 16.Nac5 Qc7 17.h3 Rfe8 18.Rfc1 Qe7 19.Qd2 Ra8 20.a4 b6 21.b5 ab5 22.ab5 Ra1 23.Ba1 Na5?? 24.Na6?? Ra8 25.Qb2?? Nb3 26.Qb3=+ Rf8 27.Rc3 Nh5 28.Qc2 Qe6 29.Nc7 Qf5= 30.Rc6 Qf6?? 31.Qa2 Rd8 32.Nd5 Qg5 33.Qa7?? Nf6?? 34.Ne7 Be7+= 35.Qe7 Re8 36.Qb7 h5? 37.Rc8 Qf5? 38.Re8+– Ne8 39.d5 g5 40.Qb8 (40...Qd7 41.Qb6 Qd5 42.Bd4+–; better is 40.Qc6 Kf8 41.d6+– (41.Qb6?! Qd5 42.Bc3 Ke7+–)) 1–0. TIROLOCO – polo111, Live Game Caissa's Web, 2004.

7.0–0 Nbd7

8.a3 e4 9.Nd4 Be2 10.Qe2 d5 11.cd5 Nd5 12.Nc3 N7f6 13.d3 Nc3 14.Bc3 c5 15.bc5 Bc5 16.Bb2 a6 (better is 16...Qd5!?=) 17.de4+/– Ne4 18.Rfd1 (18.Nf5 Qg5 19.Ng7 Rfd8+/–) 18...Qg5+= 19.Qf3 Nd6 (19...Rfe8 20.Nf5 g6 21.Nd4=) 20.Ne2 (better is 20.Nb3 Nc4 21.Bg7 Kg7 22.Nc5+/–) 20...Rad8?? (20...Rac8 21.Rd5 Qh6 22.Rc1+=) 21.Nf4 (better is 21.Rd5 Qe7 22.Rc5+–) 21...Nc4= Attacking the isolated pawn on a3 22.Bc3 b5 23.a4 Rfe8 24.Qc6 Rc8+= 25.Qa6 Ne3!–/+ 26.fe3 Be3 27.Kh1 Bf4 28.Bb2?? Ra8 29.Qb5 Qb5?? 30.ab5= Ra1 31.Ra1 Rb8 32.g3 Bd6 33.Bd4 h6?? 34.b6+/– f6 35.Kg2 Kf7 36.Kf3 Ke6 37.Bf2 Kd7? 38.Ra7+– Kc6 39.Rg7 Bc5?? 40.Bc5 Kc5 41.Rg6 Rb6 42.Rh6 Kd5 43.Kg4 Ke5 44.h4 f5 45.Kh3?? Rh6–+ 46.Kg2 Ke4 47.Kf2 f4 48.Kg2 fg3 49.Kg3 Kf5 50.Kh3 Kf4 51.Kh2 Rh4 52.Kg2 Kf5 53.Kg3 Ra4 54.Kf3–+ Ra3 55.Ke2 Ke4 56.Kd2 Rh3 57.Kc2 Kd4 58.Kb2 Kc4 59.Kc2 Rh2 60.Kd1 Kd3 61.Ke1 Ra2 62.Kf1 Ke3 (62...Ke3 63.Kg1 Kf3 64.Kh1 Kg3 65.Kg1 Ra1) 0–1. Fournier,Frederic (1680) – adios (1935), Active (5/0), 2004.

8.a3 e4 9.Ne1 Be2 10.Qe2 a5 =.

8.a3 h6 9.h3 Bh5 10.Nc3 c6 11.d4 ed4 12.Nd4+= Bg6 13.Nb3 c5 14.Bf3 Rb8 15.Na5 Qc8 16.Nb5+/– a6 17.Nd6 Bd6 18.Qd6 Re8 19.bc5 Qc5 20.Qc5+– Nc5 21.Bf6 gf6 22.Rfd1 Be4 23.Be4 Ne4 24.Rd7 Nc5 25.Rc7 b6 26.Nc6 Rb7 27.Rb7 Nb7 28.Rb1 Re4 29.Rb6 Nc5 30.Na5 Kg7 31.Rc6 Re5 32.f4 Re3 33.Rc5 Ra3 34.Nb7 Kg6 35.Ra5 Ra5 36.Na5 Kf5 37.c5 Ke6 38.c6 Kd6 39.Kf2 Kc7 40.Kg3 Kb6 41.Kg4 Kc7 42.Kf5 (42.Kf5 Kb6 43.Kf6+–) 1–0. jammboy – yulio, ChessWorld.net, 2006.

8.a4 Nb6 9.d3 Qd7 10.a5 Nc8 11.Nfd2 Re8 12.Bg4 Ng4 13.h3 Nf6 14.Nc3 d5 15.Re1 (15.Nd5!? Nd5 16.cd5 Qd5 17.Qc2=) 15...Bb4 16.Qb3 c5 17.Re2 (17.cd5 Bc3 18.Qc3 Qd5+=) 17...d4 18.ed4 ed4 (18...Qd4? 19.Nd5 Qh4 20.Nf3+–) 19.Re8 Qe8 20.Nce4 Ne4 21.Ne4 f5 22.Ng3 (22.Ng5 Qe7 23.Nf3 Kf8+=) 22...Nd6 23.Bd4 f4 (worse is 23...cd4 24.Qb4 Rd8 25.Re1+=) 24.Nf1 Nf5 (24...cd4?! 25.Qb4 Qc6 26.Nd2+=) 25.Bb2 Qe2 26.Ba3 Nd4 27.Qb2 Re8 (27...Ba5 28.Qb7 Qe8 29.Bc5+/–) 28.Rb1 Qd3 (better is 28...Qb2!? 29.Bb2 Ne2 30.Kh1 Ba5–+) 29.Bb4+= cb4 30.Qb4 Re2 (better is 30...f3!? 31.Ng3 b6 32.ab6 ab6 33.Qb6 Qc4+=) 31.Qb7+= h6 32.c5 f3 (better is 32...Kh7 33.Nh2 Qc2=) 33.Ne3+– Re3 34.fe3 Qe3 35.Kh1 f2 36.Rf1 Qe1 37.Qc8?? (better is 37.Qa6+/–) 37...Kh7–+ 38.Qa6 Nf5 39.Qd3 Qf1!! (39...Qf1 40.Qf1 Ng3 41.Kh2 Nf1 42.Kh1 Ne3 43.Kh2 f1Q 44.Kg3 g5 45.c6 Qg2) 0–1. Bychkova,Ekaterina – Razdrogina,Elmira, UKR–ch U14 sf, 2004.

8.b5 Nc5 9.d4= Bf3 10.Bf3+= e4 11.Be2 Ne6+= 12.d5 Nc5 13.Nc3 Nfd7 14.f3 ef3 15.Rf3 Ne5 16.Rh3+= f5 17.Qc2 Qd7 18.Rf1 Rf6 19.e4 f4 20.Bc1 Raf8= 21.a4 Rg6 22.Bf4?? Qh3–+ (22...Qh3 23.Bg3 Rf1 24.Bf1 Rg3 25.hg3 Qg3–+) 0–1. Suess – Trapp, 1983.

8.b5 e4 9.Ne1 Be2 10.Qe2 =.

8.Nc3 c5 9.b5 a6 10.a4 a5 11.d3+= b6 12.h3 Bh5 13.Nh2 Be2 14.Qe2 Re8 15.Rad1 Qc7 16.Qc2 Nh5 17.Ne4 f5 18.Nd2 f4 19.Ne4 Rf8 20.Bc1 g5 21.Qe2 Nhf6? 22.Ng5+– fe3 23.Ne6 ef2 24.Rf2 Qb7 25.Nf8 Bf8 26.Ng4 Bg7 27.Nh6 Kf8 28.Qh5 Bh6 29.Bh6 Ke7 30.Bg5 Rf8 31.Qh7 Rf7 32.Qg6 Qc8 33.Rdf1 Qf8 34.h4 Ke6 35.Qf5 Ke7 36.h5 Qh8 37.Qg6 Ke6 38.h6 e4 39.de4 Ne5 40.Rf6 Rf6 41.Rf6 (41.Rf6 Kd7 42.Rd6 Kc7 43.Rc6 Kb7 44.Rb6 Ka8 45.Ra6 Kb8 46.Qb6 Kc8 47.Ra8 Kd7 48.Qa7 Ke6 49.Qe7) 1–0. algernon (2265) – geldridge (2220), net–chess.com, 2010.

8.Nc3 Re8 9.Qc2 Bf8 10.d3 h6 11.Rfd1 Bf5 12.e4+= Bg4 13.Nd5 Rc8 14.Qa4 Ra8 15.Rac1 c6 16.Ne3 Bh5 17.Qc2 Bg6 18.Rb1 Rc8 19.Bc3 d5= 20.cd5 cd5 21.Nd5 Nd5=+ 22.ed5 Nb6 23.Qd2 Bd6 24.a3 Nd5 25.Ba1 Nf4 26.Rbc1 Rc1 27.Rc1 Bb8 28.Ne1 Qg5 29.Rd1 Rd8 30.Qe3 Bc7 31.Bf3 Bb6 32.Qe5 Nh3 33.Kf1 Qe5 34.Be5 Nf2 35.Rd2 Nd3 36.Nd3 Bd3 37.Ke1=+ Re8 38.Rd3 Re5 39.Kd2 Re7 40.Rc3 Bg1 41.h3 g6 42.Rc8 Kg7 43.Rb8 b6 44.Rb7 Kf6 45.Re7 Ke7 46.Kd3 Kd6 47.Kc4 Be3 48.a4 a5 49.ba5 ba5 50.Kd3 Bc1 51.Kd4 f5–/+ 52.Be2 Bb2 53.Ke3 Ke5 54.Kf3 Kf6 55.Bb5 Ke7 56.Bd3 h5 57.Bb5 Be5 58.Bd3 Kf6 59.Bb5 g5 60.Bd3 g4 61.hg4 fg4 62.Kf2 Kg5 63.Be4 Bd4 64.Kg3?? Bg1 (64...Bg1 65.Bd5 h4) 0–1. Kreuzer,Uwe – Wienold, tt Verb'Liga, 1988.

8.Nc3 h6 9.d4 Re8 10.Qc2 Bf8 11.a3+= e4 12.Nd2 Be2 13.Ne2 c6 14.d5 Rc8 15.dc6 bc6 16.Qa4 Qc7 17.Rfc1 Qb7 18.Bd4 a6 19.Rab1 d5 20.h3 Bd6= 21.cd5 cd5 22.Nb3 Rc1 23.Rc1 Rc8 24.Nc5 Bc5 25.bc5 Rc6 26.Ng3 Qc8 27.Nf5 Kf8 28.Rb1 Ne8 29.Qb3 Ndf6 30.g4 Qd7 31.Qb8 Rc8 32.c6 Rb8 33.Bc5 Kg8 34.Rb8 Qe6?? 35.c7 1–0. pcmvr (2745) – ventinovesettembre (2410), net–chess.com, 2008.

8.d3 a5 =.

8.d3 c6 9.Nbd2 Qb6 10.Qb3 h6 11.a4 Qc7 12.Rfe1 d5 Black plans e4 13.cd5 cd5 14.Rac1 Qd6 15.b5 Nc5 Black prepares the advance e4 (15...Rac8 16.h3 Bh5 17.Rc2=) 16.Qa2 e4 (16...Ncd7 17.h3 Be6 18.Qa1+=) 17.de4 (better is 17.Ba3!? ef3 18.Bc5+/–) 17...de4= 18.Be5 Qe6 19.Qe6 fe6 20.Nd4 Bf5 (20...Be2 21.Bf6 A) worse is 21...Bf6 22.Rc5 (worse is 22.Re2 Rac8=; 22.Ne2 Nd3–+) 22...Bd3 23.Ne6+/–; B) 21...gf6 22.Re2 Kf7+=) 21.Nc4 Na4 22.Nd6 Bd6 23.Bd6 Rf7? (23...Rfd8 24.Be5+=) 24.Rc2 (better is 24.Nf5!? ef5 25.Bc4+–) 24...Rd8 25.Ba3 (25.Be5 Nd7 26.Bg3 Ndc5+=) 25...Nd5 (25...Rfd7 26.Bb4=) 26.Rec1 Rdd7?? (better is 26...g6=) 27.g4+– Bg6 28.Ne6 (better is 28.Rc8!? Kh7 29.Ne6+–) 28...Nab6+/– 29.Nc5 Rd6? (better is 29...Rd8!?+/–) 30.Nb7!+– Rdf6 (30...Rb7 31.Bd6 Discovered attack) 31.Nd8 Rd7 32.Nc6 Kh7 33.Ne5 Rb7 34.Ng6 Kg6 35.Rc6 Rbf7 36.Rf6 (36.Bb2 Rc6 37.bc6 Re7+–) 36...Kf6? (better is 36...Nf6 37.Bb2 Rd7+–) 37.Rc6 Kg5 38.Kg2 Rd7 39.Kg3 Na4 (39...Nf6+–) 40.h4 1–0. algernon (2510) – snowcert (2490), net–chess.com, 2015.

8.d4 ed4 9.ed4 d5 10.c5 c6 11.h3 Bh5 12.Nc3 a5 13.b5 Ne4 14.Ne4 de4 15.Nd2 Bg6 16.bc6 bc6 17.Re1 Nf6 18.Bc4 Qd7 19.Bb3 Rfd8 20.Qc1 a4 21.Bc2 Now all is on e4 21...Bc5 (21...Qd5!?=) 22.dc5+= Qd2 23.Bf6 gf6 24.Qd2 (24.Be4!? Be4 25.Re4 Qc1 26.Rc1+=) 24...Rd2= 25.Be4 Be4 26.Re4 Rb8 (better is 26...Rc2=) 27.Ra4+/– Rbb2 28.Rf4 Kg7 29.a4 Rdc2 30.a5 (30.Kh2 Rc5 31.a5 Rb7+/–) 30...Rc5? (better is 30...Ra2!? 31.Ra2 Ra2+/–) 31.a6+– Rcb5 32.Rc4 Rb1 33.Rb1 Rb1 34.Kh2 Rb6 35.Ra4 Rb8 36.a7 Ra8 37.Kg3 f5 38.Kf4 Kf6 39.Ra6 Ke7 40.Kf5 Kd7 41.f4 Kc7 42.Kf6 Kb7 43.Ra2 Ra7 44.Ra7 Ka7 45.Kf7 c5 46.f5 c4 47.f6 c3 48.Kg8 c2 49.f7 c1Q (49...c1Q 50.f8Q h6+–). Fournier,Frederic (1795) – RONY2 (1790), rated blitz game (4/0), 2002.

8.d4 ed4 9.Nd4 Be2 10.Qe2 +/–.

8.d4 Bf3 9.Bf3 e4 10.Be2 c6 11.a4 d5 12.c5 Qc7 13.Nc3 b6 14.Qc2 bc5 15.bc5 Rab8 16.Rfb1 h6 17.a5 Nh7 18.a6 f5 19.g3 Ndf6 20.Bc1 Ng4 21.Rb8 Rb8 22.Rb1 Rb1 23.Qb1 Ng5 24.Qb7 Bd8 25.Kg2 Qa5 26.Qc6 Qc3 27.Qd5 Nf7 28.Bc4 Kh7 29.Qf5 Kh8 30.Bf7 Nf6 31.Qc8 Qa5 32.Bd2 Qc7 33.Qc7 Bc7 34.d5 Nd7 35.d6 Bd8 36.c6 Nb6 37.Ba5 (37…g6 38.Bg6+–) 1–0. Loulou – erlsto, playchess.de, 2003.

8.d4 Bf3 9.Bf3 e4 10.Be2 d5 11.b5 dc4 12.Bc4 Nb6 13.Bb3 Nfd5 14.a4 a5 15.ba6 Ra6 16.Qc2 Nf6 17.Nc3+/– Bd6 18.h3 Re8 19.a5 Nc8 20.Bc4 Rc6? 21.Bb5 Rc3 22.Bc3 c6 23.Bc4 Bb8 24.Rfb1 Nd6 25.Bf1 Qc7 26.g3 Nf5 27.Be1 Nh4 28.Bg2 Ng2 29.Kg2 Nd5 30.a6 ba6 31.Ra6 Qg3 32.fg3 Ne3 33.Kg1 Nc2 34.Ra8 Ne1 35.Rbb8 (35.Rbb8 f5 36.Re8 Kf7 37.Kf2+–; 35.Rab8?! Nf3 36.Kf2 Kf8+=; 35.Re1?! Kf8=) 1–0. Labahn,Wolfgang – Kirchhoff,Michael, Vierer–Pokal, 1992.

8.h3 Bf5 9.d3 c5 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Qa8 14.Nbd2 Qa3 15.Qc1 Ra8 16.Qa3 Ra3 17.Bb2 Ra2 18.Rb1 Nb6 19.e4 Bg6 20.Bc1 Nh5 21.g3 f5 22.Nh4 (better is 22.Rb2 Ra3 23.Rc2=) 22...Bh4–+ 23.gh4 Nf4 24.Bf1 Na4 25.ef5 Bf5 26.Kh2? (better is 26.Ne4 Be4 27.Bf4 Bd3 28.Bd3 ef4 29.Be4–/+) 26...Nc3 27.Rb3 (27.Rb2 Rb2 28.Bb2 Nd1–+) 27...Nce2 (better is 27...Rc2 28.Ba3–+) 28.Rb2?? (better is 28.Be2 Ne2 29.Bb2–+) 28...Nc1 29.Ra2 Na2 30.Nf3 Bd3 31.Bd3 Nd3 32.Kg3 h6 33.Nd2 Nc3 34.f3 Kf7 35.h5 Kf6 36.h4 Kf5 37.Nb3 b6 38.Nd2 Nb2 39.Kf2 Kf4 40.Nf1 Nc4 41.Ng3 d5 42.Ne2 Ne2 43.Ke2 Na3 44.Kf2 Nb5 45.Ke2 c4 46.Kd2 d4 47.Kc2 Kf3 48.Kd2 Kg4 49.Kc2 e4 50.Kd2 Kh4 51.Ke2 Kh5 52.Kd2 If White now only could play c3+... 52...Kg4 53.Ke2 h5 54.Kd2 h4 55.Ke2 h3 56.Kf2 h2 57.Kg2 c3 58.Kh2 c2 59.Kg2 c1Q 60.Kf2 Qe3 61.Kg2 Qf3 62.Kg1 Qe2 63.Kh1 Kg3 64.Kg1 Qg2 (64...Qd1) 0–1. Fournier,Frederic (1945) – aranjuez69 (1765), Active (5/0), 2005.

8.Nc3 c6

9.a3 Qc7 10.d4 e4 11.Nd2 Be2 12.Qe2 d5 13.cd5 cd5 14.Rac1 Qd8 15.f3 ef3 16.Qf3 Nb6 17.e4 Rc8 18.e5+/– Ne8 19.Nd5! Nd5 20.Rc8 Qc8 21.Qd5 Qc2 22.Bc1 Bg5 23.Qe4 Qa2 24.Rf2 Nc7?? 25.Nf1 Qa1 26.Bg5 (26.Bg5 Ne6 27.Be7 Qd4 28.Qb7+–) 1–0. pcmvr (2740) – attasantotjia (2455), net–chess.com, 2007.

9.d3 Qc7 10.h3 Bh5 11.g4 Bg6 12.Nh4 d5 13.a3 e4 14.cd5 cd5 15.g5 ed3 16.Ng6 de2?? 17.Ne7 Kh8 18.Qe2 Ne4 19.Ncd5 Qd6 20.Bg7! Kg7 21.Nf5 Kg6 22.Nd6 (22.Nd6 Nd6 23.Rad1+–) 1–0. Bonetti,Shane – rpalmeri, ICC, 2002.

9.d4 h6 10.h3 Bh5 11.de5 Bf3?? 12.Bf3 de5 13.Qc2 Nb6 14.c5+= Nbd5 15.a3 Nc3 16.Bc3 Qc7 17.Rad1 Rad8 18.a4 Nd5 19.Bd5+/– cd5 20.Rfe1 Bf6= 21.Bb2 Qc6 22.b5 Qe6 23.Ba3 Rfe8 24.c6 bc6 25.bc6 Rc8 26.Rc1 Rc7 27.Qc5 Be7 28.Qc3 Ba3–/+ 29.Qa3 Rc6 30.Rc6 Qc6 31.Rc1 Qb6 32.Qc5 Qc5 33.Rc5 d4 34.ed4=+ ed4 35.Rd5 Re1 36.Kh2 Rd1 37.Kg3 g6 38.Kf3= Kg7 39.Ke2 Rg1 40.g3 Ra1 41.Rd4 a6 42.Ke3 Ra3 43.Kf4 Rb3 44.h4 a5 45.g4 Rb4?? 46.Rb4+– ab4 47.Ke3 b3 48.Kd2 Kf6 49.a5 Ke6 50.a6 b2 51.Kc2 b1Q 52.Kb1 1–0. inspector (2330) – bar (1905), net–chess.com, 2008.

9.h3 Be6 10.d4 e4 11.Nd2 d5 12.b5 Ne8 13.Rb1 f5 14.Qb3 Nc7 15.bc6 bc6 16.Ba3 Rf6 17.Be7 Qe7 18.Rfc1 Rg6 19.Qb7 Nb6 20.Qc6 Qd8 (20...dc4 21.h4=) 21.cd5 Ncd5 22.Nd5 Bd5 23.Qc7 Qc7? (23...Qg5 24.Bf1 Qh4+/–) 24.Rc7+/– Ba2 25.Rb5 Bd5 26.Ra5 Rd6 27.f3 Rdd8 28.Kf2 Rdc8 29.Rcc5 Rc5 30.dc5 Nd7 31.Bc4 Bc4 32.Nc4 Rc8 33.Nd6 Rc7 34.fe4 fe4 35.Ne4 Kf7 36.Ke2 Ke6 37.Ng5 (37.Kd3 Ne5 38.Kc3 Kd5+/–) 37...Ke7 38.Nh7 Nc5 39.Ng5 a6 40.h4 Kd6 41.Rc5 Rc5 42.Ne4 Kd5 43.Nc5 Kc5 44.Kd3 Kd5 (44...a5 45.g4 Kd5 46.Kc3+–) 45.g4 Ke5 46.Kc3 Ke4 47.h5 Ke5 48.Kb4 Kf6 49.e4 Ke6 50.g5 Kf7 51.e5 1–0. Hoch,Hubertus – Ott,Peter, WS/M/045 ICCF, 2006.

9.h3 Bh5 10.d3 =.

8.d4 e4

9.Nfd2 Be2

10.Qe2 c6 11.a3 d5 12.Nc3 a5 13.b5 cb5 14.cd5+= Nb6 15.Qb5+/– Qd6 16.Nde4 Ne4 17.Ne4 Qd5 18.Qd5 Nd5+/– 19.a4 f5 20.Nc3 Nb4 21.Ba3 Rfe8 22.Nb5 Nc2 23.Be7+– Na1 24.Nc7 Re7 25.Na8 Nc2 26.Rc1 Nb4 27.g3 Re8 28.Nb6 Nc6 29.Rc5 g6 30.d5 Re5 31.dc6 Rc5 32.cb7 (32.cb7 Kg7 33.b8Q+–) 1–0. aschellen (1975) – vision1959, internet, 2007.

10.Qe2 c6 11.Nc3 d5 12.a3 Bd6 13.c5 Bb8 14.f3 Qc7 15.g3 ef3 16.Qf3 a5 17.e4 de4 18.Nde4 ab4 19.ab4 Ra1 20.Ra1 Re8 21.Nd6 Re7 22.b5 cb5+= 23.Nb7 b4 24.Nb5+/– Qc8 25.N7d6 Bd6 26.Nd6 Qc7 27.Bc1 h6? 28.Nb5 Qd8 29.Ra8 Nb8 30.Bf4 Nfd7 31.c6 Re1 32.Kg2 Qe7 33.Kf2 Kh7 34.c7 b3 35.c8Q b2 36.Qc2 g6 37.Qb2 Nb6 38.Rb8 Nc4 39.Qc2 Qe6 40.Qh5 Re2 41.Qhe2 Qe2 42.Ke2 Na5 43.Be5 (43.Be5 Nc4 44.Rh8#) 1–0. MrkT – Imnotkasparov, internet, 2005.

10.Qe2 d5 11.a3 a5 12.cd5 ab4 13.f3 ba3 14.Na3 Nd5 15.fe4 N5b6 16.Nc2 Na4 17.Ba3 Ndb6 18.e5 Nc3 19.Qd3 Ba3 20.Qc3 Be7 21.Ra8 Na8 22.e4 Nb6 23.Nf3 c6 24.Qb3 Qc7 25.Rb1 Bd8 26.Ne3 g6 27.Qa3 Nc8 28.Qb4 b6 29.Rc1 Qd7 30.Qc4 Ne7 31.h3 b5 32.Qc5 h5 33.Qd6 Qb7 34.Rc3 Ba5 35.Rb3 Nc8 36.Qf6 Bd8 37.Qf4 Kg7 38.Ng5 Qe7 39.Nf5! gf5 40.Rg3 f6 41.Ne6 (41…Kf7 42.Rg7 Ke8 43.Qf5+–) 1–0. mrkt – gohammer, ChessWorld.net, 2004.

10.Qe2 d5 11.a3 a5 12.f3 =.

10.Qe2 d5 11.b5 dc4 12.Nc3 =.

10.Qe2 Re8 11.Nc3 Bf8 12.b5 c6 13.a4 d5 14.Rfc1 a6 15.cd5 cd5 16.ba6 ba6 17.Ba3 Re6 18.Bf8 Qf8 19.Nb3 Rc6 20.Na5 Rc7 21.Qd2 Rac8 22.Na2 Qa3 23.Rc7 Rc7 24.Qb4?? (better is 24.Qd1+=) 24...Rc3 (better is 24...Qa2! 25.Rf1 Rc2–+) 25.Qc3+– (25.Qc3 Qd6 26.Qc6+–) 1–0. Ramos Moreno,F (2130) – Yanez Acin,Gonzalo (1910), XIII Open, Malaga ESP, 2010.

7.0–0 Bf3

8.Bf3 c6 9.Nc3 b6 (9...d5 10.d4 e4 11.Be2 Bb4 12.Rb1–/+) 10.a3 (10.d4 a6+/–) 10...Qc7 (10...d5 11.cd5 cd5 12.Nd5 Nd5 13.Qb3+=) 11.d3 (11.d4 a6+=) 11...d5? ( 11...a6+=) 12.cd5+– 1–0. casouza (2220) – jaspode (1705), net–chess.com, 2006.

8.Bf3 c6 9.d3 Nbd7 10.Nd2 d5 11.cd5 Nd5 12.a3 b5 (12...Bd6!?+=) 13.Rc1 Rc8 14.Qe2 (14.Qb3 a5+/–) 14...h6 (14...a5!? 15.Bd5 cd5 16.Rc8 Qc8=) 15.Bd5 cd5 16.Nf3 (16.d4!? ed4 17.Bd4+/–) 16...Rc1 17.Rc1 Bf6 18.Qc2 Qe7 (18...a6 19.Qc6 e4 20.Bf6 Qf6 21.de4 Qc6 22.Rc6 de4 23.Nd2+=) 19.Qc6+/– e4 20.Bf6 Nf6 21.de4 de4 22.Nd4 Ng4 23.h3 (23.Qb5 Qh4 24.Rc2 Qh2 25.Kf1 Qh1 26.Ke2 g6–+; 23.Nb5?! Qh4 24.h3 Qf2 25.Kh1 Nf6=) 23...Ne5 24.Qe4 Re8 (24...a6 25.Nc6 Nc6 26.Qc6+/–) 25.Qc2 (25.Nb5 Qd7 26.a4 Qd2+–) 25...Nc4? (better is 25...a6!?+/–) 26.Nb5+– Ne3 (26...Nd6 27.Nd6 Qd6 28.Rd1+–) 27.fe3 Qe3 28.Kh1 Qg3 29.a4 Re1 30.Re1 Qe1 31.Kh2 Qe5?! 32.g3 a6 33.Nc7 h5 34.Na6 h4 35.Qg2 hg3 36.Qg3 Qe2 37.Qg2 Qa6+= 38.Qa2 Qd6 39.Kg2 Qb4 40.a5 Qb7 41.Kh2 Qa6 42.Kg2 g6 43.Qd5 Kg7 44.Qe5 Kh7 45.Qc5 Qa8 46.Kg3 Qb8 47.Kg2 Qb2 48.Kg3 Qb3 49.Kg2 Qa2 50.Kf3 Qb3 51.Kg4 Qd1 52.Kg3 Qd3 53.Kg2 Qe4 54.Kf2 Qe6 55.h4 Kh6?? 56.h5 f6?? 57.hg6 (57.hg6 Kg6 58.Qb5+/–) 1–0. Fournier,Frederic (1755) – napolion (1800), Active, 2004.

8.Bf3 Nc6 9.a3 (9.b5!? Na5 10.Qa4+/–) 9...e4= 10.Be2 Ne5 11.Be5 (11.Qc2!?+/–) 11...de5= 12.d3 ed3 13.Bd3 Qc8 14.Qc2 e4 (14...c5!? 15.b5 a6=) 15.Be4+/– Ne4 16.Qe4 Bf6 17.Ra2 Re8 18.Qf3 c6 19.Rd2 Qe6 20.c5 h6 21.Rfd1 Rad8 22.Rd8 Rd8 23.Rd8 Bd8 24.Qd1 Bf6 25.g3 Kh7 26.h4 g6 27.Qd2 h5 (27...Qb3 28.Qe1 Qc2+=) 28.a4 (28.Qd6 Qf5 29.Nd2 Bc3+/–) 28...a6 (better is 28...Qb3!? 29.Qe1 Qa4–/+) 29.a5 Qc4 30.Kg2?? (30.Na3 Qg4+=) 30...Kg7?? (better is 30...Qe4 31.f3 Qb1–+) 31.Kg1 Qb5 (better is 31...Kh7!?=) 32.Na3+/– Qa4 33.Nc4 Qa1 34.Kg2 Qb1 (better is 34...Bc3!? 35.Qd7 Qa2+/–) 35.Nd6+– Qb3?? (better is 35...Qb2 36.Ne8 Kf8+–) 36.Ne8 (36.Ne8 Kf8 37.Nf6+–) 1–0. Fournier,Frederic – FREE_RADICAL, ICC, 2005.

8.Bf3 e4 9.Be2 Nc6 10.a3 Qd7 11.Nc3 Qe6 12.Qc2 Rfe8 13.Rac1 Rac8 14.b5 Na5 15.Qa4 b6 16.f3 ef3 17.Rf3 c6 18.Bd3 g6 19.Ne2 Ng4 20.bc6 Nc6 21.Nf4 Qd7 22.Bc2 Bg5 23.Nd5 Qe6 24.Bb3 Nce5 25.Be5 Qe5 26.Rg3 Nf6 27.Nf6 Bf6 28.Rf1 Re7 29.Rgf3 Bg5 30.h4 Bh6 31.Qb4 Rc5 32.Rh3 Qe6 ½–½. Subedei – marekt, ChessWorld.net, 2014.

8.Bf3 e4 9.Be2 d5 10.f3 Bb4 11.cd5 Qd5 12.Bf6 gf6 13.fe4 Qe4 14.Bf3+– Qe5 15.Bb7 Qa1 16.Qg4+/– Kh8 17.Qb4 Nc6 18.Qa3 Qe5 19.Bc6 Rab8 20.Qa7 Rb2 21.a4 Rfb8 22.Na3 R8b4 23.Nc4?? Rc4–/+ 24.Qa6 Rh4 25.Qd3 Qh2 26.Kf2 Rhb4 27.a5 Ra2 28.Ke2 Qh4 29.a6 Rbb2 30.Rd1 Qh5 31.Ke1 Qh4 32.Ke2 Qg4 33.Ke1 Qb4 34.Bb7 Qh4 35.Ke2 Qg4 36.Bf3 Qa4 37.Be4 Qa6 38.Bh7 Qa4 39.Bf5 Kg7 40.Qd5 Qb4 41.g4 Qc3 42.Ke1 Qe5 43.Qf3 Qh2 44.Qd5 c5 45.Qd3 c4 46.Qd4 Rb3 (46...Rb3 47.Qf4 Qg1 48.Ke2 Qg2 49.Qf2 Qf2 50.Kf2 c3–+) 0–1. Trkn – guest3706, ICC, 2004.

7.Nc3 c6

8.Qc2 Nbd7 9.a3 Rc8 10.0–0 d5 11.d3 Bd6 12.Rfd1 Qe7 13.Rac1 h6 14.cd5 cd5 15.Qb1 a6 16.h3 Bh5 17.Ne1? Bg6 18.Qa2 Nb6 19.Bf3 e4 20.de4 de4 21.Be2 Bb8 22.Nc2 Bf5 23.Nd4 Qe5 24.g3 Bh3–/+ 25.Bf1 Qh5 26.Nce2? Bf1–+ 27.Kf1 Qh1 28.Ng1 Ng4 29.Nf5 Rc1 30.Rc1 Nh2 31.Ke2 Nf3 32.Ne7 Kh7 33.Qa1? Ng1 34.Rg1 Qf3 35.Ke1 Re8 36.Bd4 Nd7 37.Nd5 Ne5 38.Be5 Be5 39.Qc1 Re6 40.Nf4? Rc6 41.Qb1 Bc3 42.Kf1 Rd6 (43.Ne2 Rd3 44.Nc3 Rc3–+) 0–1. Bougot,Joel (1620) – Delalande (2125), Nat.3 groupe, 1999.

8.Qc2 Nbd7 9.h3 Bh5+= 10.d3 Nb6 11.0–0+= Qc7 12.Ne4 Ne4 13.de4 Bf6 14.c5+/– dc5 15.g4 Bg6 16.g5 Be7 17.Be5 Qc8 18.bc5 Nd7 19.Bd4 Qc7 20.Qc3 f6 21.gf6+– Bf6 22.e5 Be7 23.Bc4 Kh8 24.e6 Nf6 25.Ne5 Be8 26.Qb2 Rd8 27.Rab1 Rb8 28.Rfd1 Nd5 29.Ng4 Qc8 30.Bg7 (30.Bg7 Kg8 31.Nh6#) 1–0. pierre – killer, internet, 2011.

8.Qc2 Bh5 9.Ng5 (9.0–0!?=) 9...Bg6+= 10.Bd3 Bd3 11.Qd3 h6 (11...d5 12.cd5 Bb4 13.Qf5 Bc3 14.Bc3 Qd5 15.e4+=) 12.Nh3 (12.Nf3 a5 13.b5 a4=) 12...Nbd7 (12...d5!?+=) 13.0–0= a5 14.b5 Nc5 15.Qc2 a4 (15...d5!?=) 16.d4+= ed4 17.ed4 Ne6 18.Rad1 cb5 19.Nb5 (19.d5 Nc7 20.cb5 Ra5+=) 19...Nh7 (19...d5 20.c5=) 20.f4 (20.d5 Nc7+=) 20...Bf6 21.Nf2 d5 22.f5 Nc7 23.Nc7 Qc7 24.c5 Rfc8 25.Qd3 b6 26.Rc1 bc5 27.Rc5 Qb6 28.Rb5 Qd6 29.Ba3 Qd7 30.Rfb1 Ng5 31.Rb7 Rc7= 32.Rc7 Qc7 33.Rb5 Re8+= 34.Bb4 Qc1 35.Nd1 Qc4 Attacking the isolated pawn on d4 36.Qc4 dc4 37.d5 Ne4–+ 38.Kf1 c3 39.Nc3 Nc3 40.Ra5 Na2 41.Bc5 Nc3 42.d6 Ne4 43.d7 Rd8 0–1. Yaremchuk,Galina – Grigoryan,Tigran, 2nd ch–Region Officer House Open, 2011.

8.h3 Be6 9.d4 ed4 10.Nd4 Qb6 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Nbd7 15.0–0 Nc5 16.Rb1 d5 17.Na4 Na4= 18.Qa4 dc4 19.Bc4 Bc4 20.Qc4 cb5 21.Qb5 Qb5 22.Nb5 b6 23.Bd4 Bc5 24.Bc5 bc5+= 25.Rc1 Rc8 26.f3 Kf8 27.Kf2 Ke7 28.Nd4 Kd7 29.Nb3 c4 30.Nd2+/– c3 31.Nb1 c2 32.Na3 Nd5 33.Rc2 Rc2 34.Nc2 f5 35.Ke2 g5 36.Kd3 h5 37.Kd4 Ke6 38.g3 Nf6 39.e4+– fe4 40.fe4 h4 41.g4?? Nd7?? 42.Ne3 Ne5 43.Nd1 Nf3 44.Ke3 Ne5 45.Nf2 Kf6 46.Kd4 Ke6 47.Nd3 Nf3 48.Ke3 Ng1 49.Nf2 Ke5 50.Nd3 Ke6= 51.Nf2 Ke5 52.Kd3 Kf4 53.Kd4 Kf3 54.e5?? Kf2–+ 55.e6 1–0. Fredek (2090) – Guest482366, Freundschaftspartie, 5m + 0s, 2005.

8.h3 Be6 9.d4 ed4 10.Nd4 Bd7 11.a3 Re8 12.0–0 d5 13.cd5 cd5 14.Bf3 Bc6 15.b5 (15…Bd7 16.Nd5+–) 1–0. trkn – guest370, ICC, 2004.

8.h3 Bf5 9.0–0 Nbd7 10.d4 e4 11.Nd2 d5 12.f3 Bb4–/+ 13.fe4 Be4 14.Nce4 de4 15.Rf4 Bd6 16.Qf1? Bf4–+ 17.Qf4 Re8 18.Rf1 Nf8 19.d5 Ng6 20.Bf6? Nf4 21.Bd8 Ne2 22.Kf2 Rad8 23.Ke2 cd5 24.cd5 Rd5 25.Rf4 Ra5 26.Re4 Re4 27.Ne4 Ra2 (27...Ra2 28.Kf3 b5–+) 0–1. Trkn – Ivan the Terrible, itsyourturn.com, 2000.

7.Nc3 Nc6

8.a3 e4 9.Nd4 Be2 10.Qe2 Re8 11.Nb3 Ne5=+ 12.0–0 Nd3 13.Rab1 Bf8 14.f3+= Nb2 15.Rb2 ef3 16.Rf3 c6 17.Qf2 Qe7 18.d4 d5 19.cd5 cd5 20.Re2 Ne4 21.Ne4 de4 22.Rf4 f6 23.Nd2 Qd7 24.Ne4+/– Bd6 25.Nd6 Qd6 26.Qg3 Kh8 27.Rg4 Qg3 28.Rg3 Re7 29.e4 Rae8 30.Rge3 f5 31.e5 g6 32.Rd2 Re5?? 33.de5 Re7 34.Rd8 Kg7 35.e6 Kf6 36.Rd7 Re6 37.Re6 Ke6 38.Rb7 a6 39.Ra7 Kd6 40.Ra6 Kc7 41.b5 Kb7 42.a4 h6 43.Rg6 h5 44.a5 Ka7 45.Rg7 Kb8 46.a6 Kc8 47.b6 h4 48.a7 h3 49.a8Q# 1–0. Geronimi,Pierre Francois (1890) – Luciani,Thibault (1735), Bastia blind rap 2nd, 2007.

8.b5 Na5 9.Qa4 b6 10.h3 Bh5 11.d4 Nb7 12.0–0 d5? 13.de5+– Nc5 14.Qd1 dc4 15.ef6 Bf6 16.Bc4 Bc3 17.Bc3 Ne4 18.Bb4 Re8 19.Bd5 Rb8 20.Be4 Qd1 21.Bh7! Kh7 22.Rfd1 Bf3 23.gf3 Rec8 24.Rac1 Ra8 25.Rd7 f6 26.Rcc7 Rc7 27.Rc7 a6 28.ba6 Ra6 29.a3 b5 30.Rb7 f5 31.Rb5 g6 32.Kg2 1–0. bridlingtonbrummie – gbymar, ChessWorld.net, 2009.

8.b5 Na5 9.Qa4 c5 10.Nd5 Nd5 11.cd5 =.

8.b5 Na5 9.Qa4 c6 10.0–0 =.

8.b5 Nb8 9.d4 Nbd7 10.0–0 Nb6 11.a4 Bf3= 12.gf3 Nbd7 13.Kh1 Re8 14.Rg1 Nf8 15.Bd3 Ng6 16.d5 Nd7 17.Qc2 Nc5 18.Bf5 Bh4 19.Rg2 Qf6 20.Rag1 Nb3?? 21.Bg6+– fg6 22.Qb3 Qf3 23.Qd1 Rf8 24.Qf3 Rf3 25.Ne4 Raf8 26.Re1 Bf2 27.Nf2 Rf2 28.Rf2 Rf2+/– 29.Bc3 b6 30.a5 Ra2 31.ab6 ab6 32.e4 Ra4 33.Bd2 Rc4 34.Rc1 Rc1 35.Bc1+/– Kf7 36.Kg2 Kf6 37.Kf3 g5 38.h3 h5 39.Be3 Kg6 40.Kg3 Kf6 41.h4 g4? 42.Bg5+– Kf7 43.Bd8 Ke8 44.Bc7 Kd7 45.Bb6 Kc8 46.Ba5 Kb7 47.Bb4 Kc7 48.b6! Kb6 49.Bd6 Kb7 50.Be5 Kc8 51.Bg7 Kd7 52.e5 Ke7 53.Kf4 (53.Kf4 Kf7 54.d6+–) 1–0. Fredek (2090) – Guest1412852, Freundschaftspartie, 5m + 0s, 2005.

7.Nc3 Nbd7

8.0–0 Rb8 9.d4 Bf3 10.Bf3+= Nb6 (10...ed4 11.ed4 d5 12.Nd5 Nd5 13.Bd5+= Bb4 14.Qb3+=) 11.Qb3 (11.de5 de5 12.Qb3 c6 13.Ne4 Ne4 14.Be4+=) 11...ed4 12.ed4 c5 (12...d5 13.cd5 Re8 (13...Qd6 14.a3+=) 14.Rfe1+=) 13.dc5+/– dc5 14.Rad1 Qc8 15.b5 Qf5 16.Rfe1 Bd8 17.Ne4 Nbd7 18.Nd6+– Qg6 19.Nb7 Bc7 20.Nd6 Rb6 21.Ne4 Ne4? 22.Be4 Qh6 23.g3 Nf6 24.Bf3 Qh3 25.Qc3 a6 26.a4 ab5 27.cb5 Qf5 28.Rd5 Qg6 29.Rc5 Bd8 30.Rc6 Rc6 31.Qc6 Ba5 32.Rd1 Qf5 33.Rc1 h6 34.b6 Bb6 35.Qb6 Qf3 36.Bf6 Qf6 37.Qf6 gf6 38.a5 Ra8 39.Ra1 Kf8 40.a6 Ke7 41.a7 Ke6 42.f4 Kf5 43.Kg2 h5 44.Kf3 Ke6 45.g4 hg4 46.Kg4 Rg8 47.Kf3 Ra8 48.Ra6 Kf5 49.Ra5 Ke6 50.f5 (50.f5 Kd6 51.h4+–) 1–0. Kreuzer,Uwe – Zipf, tt Verb'Liga, 1982.

8.0–0 c5 9.b5 b6 10.h3 Bh5 11.g4 Bg6 12.Nh4 Re8? (12...a6!?+=) 13.Ng6 (better is 13.g5!? Ne4 14.Ng6 Nc3 15.Ne7 (15.Bc3?! Bg5 16.f4 Bf6=; 15.dc3?! Bg5 16.Qd6 hg6=) 15...Qe7 16.Bc3 Qg5 17.Kh2+–) 13...hg6 14.Bf3 Rb8 15.g5 Nh7 16.h4 f6 17.Bd5 Kh8? (better is 17...Kf8+–) 18.h5 1–0. Borodin,Sergej – Shim Ng Min,Francis, RF–2012–0–00112, 2012.

8.0–0 c6 9.a3 d5 10.cd5 cd5 11.Qb3 (11.Rc1 a5 (11...Rc8 12.d4 e4 13.Nd2 Be2 14.Qe2 a5 15.b5 Bd6=) 12.b5 e4 13.Ne1 Be2 14.Qe2 Bd6 15.f3 Qe7=+; 11.d4 e4 12.Ne5 Be2 13.Qe2 Bd6 14.Nb5 Bb8 15.Rac1 a6=+; 11.h3 Be6 (11...Bf5 12.Qb3 Be6 13.Ng5 a5 14.e4 Nb6 15.Ne6 fe6=; 11...Bf3 12.Bf3 Nb6 13.d3 a5 14.b5 Rc8 15.Rc1 Qd7=) 12.Ng5 a5 13.Ne6 fe6 14.b5 Rc8 15.Rc1 e4=) 11...e4 12.Nd4 Be2 13.Nde2 (13.Nce2 Ne5 14.Nf5 Nc4 15.Rfc1 Qd7=) 13...Nb6 14.Rad1 Bd6 15.d3 Qe7 16.Nb5 Bh2 17.Kh2+– Ng4 18.Kh3 Qd7 19.Kg3 Nh6 20.Bg7 Qg4 21.Kh2 Qh4 22.Kg1 Ng4 23.Be5 Ne5 24.Nf4 Nf3?? 25.gf3+– ef3 26.Qc3 f5 27.Nd4 Rac8 28.Nf3 Qg4 29.Kh2 Rc3 30.Rg1 Nd7 31.a4 Rc2 32.Rdf1 Rb2 33.b5 h5! 34.Nd4 Nc5 35.Rg4 fg4 36.Kg3 Kh7 37.Rc1 Rf4 38.ef4 Nd3 39.Rc7 Kg6 40.Rb7 Nf2 41.f5 Kf6 42.Ra7 Rd2 43.Ra6 Ke5 44.Nc6 Kf5 45.Ne7 Ke5 46.Nc6 Ke4 47.Ne7 Nh1 48.Kh4 g3 49.Re6 Kf3 50.Rf6 Ke2 51.Rg6 Kf1 (51...Kf1 52.Nf5 Rh2 53.Kg5 g2 54.Ne3 Kf2 55.Ng2 Rg2 (55...Kg2?! 56.Rd6–/+) 56.Kh5 d4–+) 0–1. Boehnke,Hartmut (2045) – Carroll,Patrick J (2165), corr ICCF EU/EM/M/005, 2002.

8.0–0 c6 9.a3 d5 10.cd5 cd5 11.Rc1 Rc8 12.d4 Re8?? 13.de5+– Ne4 14.Qd5 Nc3 15.Bc3 b6 16.Rfd1 Qc7? 17.Ng5! Be2 18.Qf7 Kh8 19.Ne6 (19.Ne6 Rg8 20.Nc7 Bd1 21.Bd4+–) 1–0. pcmvr (2800) – attasantotjia (2355), net–chess.com, 2007.

8.0–0 c6 9.Qb3 Qc7 10.h3 Bh5 11.d4 e4 12.Nd2 Be2 13.Ne2 d5 14.Rac1 Qd6 15.a3 h5 16.Nc3 g5? 17.cd5+– cd5 18.Nb5 Qe6 19.Nc7 Qf5 20.Na8 Ra8 21.f3 Qg6 22.fe4 Ne4 23.Ne4 Qe4 24.Rf3 Bd6 25.Qc2 Qe7 26.Qf5 Nb6 27.Rcf1 Rf8 28.Bc1 Kg7 29.R3f2 f6 30.Re2 Qe4 31.Qe4 de4 32.Rc2 Rc8 33.Rc8 Nc8 34.Rf2 Nb6 35.Rc2 Kf7 36.Kf1 Ke6 37.Ke1 Kd5 38.Kd1 Nc4 39.Rf2 Ke6 40.Kc2 Bg3 41.Re2 b5 42.Kb3 Nb6 43.Ra2 h4 44.Rc2 Bd6 45.Ra2 Bg3 46.a4 Na4 47.Ra4 ba4 48.Ka4 Kd5 49.Kb5? Bc7 50.Ba3? f5–+ 51.Bc1 f4 52.Ka6 f3 (53.gf3 ef3 54.e4 Ke4 55.Bg5 f2 56.Bh4 f1Q 57.Kb7 Qf7–+) 0–1. Campe,Ulrich – Boewer,Victor, Berlin Eckbauer op, 1999.

8.0–0 c6 9.d4 Qc7 10.Qc2 Rad8 11.Rfd1 a6 12.Rac1 h6 13.a3 Rc8 14.de5 Ne5 15.Ne5 Be2 16.Ne2+/– de5 17.Qf5 e4 18.Be5 Qb6 19.c5 Qa7 20.Nc3 Rcd8 21.Ne4 Ne4 22.Qe4 Rde8 23.Qg4 Bg5 24.Bc3 f5 25.Rd7 Rf7 26.Qh5 Ref8 27.Rcd1 Qb8 28.Qg6 Be7 29.Bg7! Rg7 30.Qe6 (30.Qe6 Kh8 31.Re7 Re7 32.Qe7+–) 1–0. pereira – ismaelarango, internet, 2006.

8.0–0 e4 9.Nd4 Be2= 10.Qe2 Ne5 (10...a5 11.b5 a4 12.Nd5 Nc5 13.f3 a3 14.Bc3 Nd5 15.cd5 Bf6; 10...c5 11.bc5 Nc5 12.f3 ef3 13.Rf3 g6 14.Raf1 Rc8 15.Rh3 Ncd7; 10...g6 11.f3 c5 12.bc5 dc5 13.Nb3 ef3 14.Qf3 Ne5 15.Qb7 Nc4) 11.Rab1 (11.Nd5 a5 12.b5 Nd5 13.cd5 Bf6 14.Rab1 Nd3 15.Qg4 Nb2) 11...b6 (11...c5 12.bc5 dc5 13.Nf5+= Qd7 14.Ng3 Qe6 15.Nd5 Nd5; 11...a5 12.b5 a4 13.f4 ef3 14.Nf3 Qd7 15.d4 Nf3) 12.Ba1 (12.f4 ef3 13.Nf3 Re8+= (13...c6 14.e4 Qd7 15.d4 Ng6) 14.d4 Ng6 15.e4 Qd7) 12...c5= 13.bc5 dc5 14.Nf5 Qd7 15.Ne7 (15.Ng3 Qe6=) 15...Qe7+= 16.f3 ef3 17.gf3 Rad8 18.d4 cd4 (18...Ng6 19.d5+=) 19.ed4+= Nc6 (worse is 19...Rd4 20.Nb5 Nf3 21.Qf3 Rc4 22.Bf6 Qf6 23.Qf6 gf6 24.Rf6+– (24.Na7?! Ra8+=)) 20.Qe7 Ne7 21.Nb5 (21.Ne4 Ne4 22.fe4 f6+=) 21...Rd7 22.Rfe1 Nf5 (22...Rc8 23.Rb4+=) 23.d5+= Nh4 (23...Nh5 24.Bc3+=) 24.Kf2+/– Nh5 25.Re5 (25.Bc3!?+/–) 25...Nf4+= 26.Re4 Nhg6 27.Nd4 Nd3 28.Kg2 Rc8 29.Nf5 f6 30.Rd1 Nge5 31.f4 Nc5 32.Re2 Kf7?? 33.fe5+– Re8 34.e6 (34.e6 Kg6 35.Rf1+–) 1–0. Medves,Adriano – Tricerri,Pierino, Condino ITA, 2011.

8.0–0 e4 9.Ng5!?+= A) 9...Bf5 10.Qc2 Re8 (10...c5 11.a3 Ne5 12.bc5 dc5 13.Nce4 Ne4 14.Ne4 Be4 15.Qe4 Qd2; 10...d5 11.cd5 Nd5 12.Nd5 Bg5 13.Qc7 Qc7 14.Nc7 Rac8 15.Rac1 Be7; 10...g6 11.Nge4 a5 12.a3 c6 13.f3 ab4 14.ab4 Qb6 15.Na4 Qc7) 11.Nce4 Ne4 12.Ne4 Be4 13.Qe4 Bf6 14.Qc2 Bb2 15.Qb2 g6; B) 9...Be2 10.Qe2 a5 (10...Ne5 11.Nce4 Ne4 12.Ne4 f5 13.Ng3 Bh4 14.f4 Bg3 15.fe5 Be5; 10...c6 11.Nce4 h6 12.Nf6 Bf6 13.Bf6 Nf6 14.Nf3 Re8 15.Rab1 Qd7; 10...Nb6 11.Nce4 d5 12.cd5 Ne4 13.Ne4 f5 14.Nc5 Qd5 15.Rfc1 a5) 11.a3 Qe8 12.Nge4 Ne4 13.Ne4 f5 14.Nc3 Bf6 15.d3 c6.

8.0–0 h6 9.d4 e4 10.Nd2 Be2 11.Qe2 c6 12.d5 cd5 13.cd5 Qb6 14.a3 Rfe8 15.Nce4+– Ne4 16.Ne4 Ne5 17.Rac1 a6 18.f4 Ng6 19.f5 Ne5 20.f6 Bd8? 21.fg7 Ng6 22.Qf3 (22.Qf3 Re7 23.Nf6 Kg7 24.Nd7 Kg8 25.Nb6 Bb6 26.Qf6+–) 1–0. michaelbuss – savage13, ChessWorld.net, 2007.

8.a3 c6 9.0–0 h6 10.d4+= e4 11.Nd2 Be2 12.Qe2 d5 13.c5 Nh7 14.b5 f5 15.bc6 bc6 16.Na2 Rb8 17.Bc3 Bf6 18.Rab1 Qc7 19.Qa6 Be7 20.Rb8 Rb8 21.Rb1 Rb1 22.Nb1 g5 23.Nb4 f4?? 24.Qc6 Qc6 25.Nc6 Bf6?! 26.Na7 fe3 27.fe3 Nb8 28.c6 Bd8 29.Nd2 Bb6? 30.c7 Bc7+/– 31.Nb5 Bb6 32.a4 Nc6 33.Nd6 Nf6 34.Nb3 Nd7 35.Nc8 Bc7 36.a5 Ndb8 37.Nc5 Na5 38.Ba5 Ba5 39.Ne6?? Bd2 40.Kf2 Na6 41.Nd8 Nb4 42.Nb7 Nd3 43.Ke2+/– (43…Bb4 44.Nb6+/–) 1–0. slavisa3 – drasko5, Live Game Caissa's Web, 2004.

8.a3 e4 9.Ng5 Ne5 10.f3 ef3 11.Nf3 Bf3 12.gf3 Qd7 13.0–0 Qh3 14.Qe1 a5 15.Qg3 Qg3 16.hg3 Ned7 17.d4 d5 18.c5 Rfd8 19.e4 Nf8 20.ed5 Nd5 21.Nd5 Rd5 22.Bc4 Rdd8 23.d5 Nd7 24.Rfd1 Bf6 25.Bf6 Nf6 26.Rac1 b6 27.d6 cd6 28.cb6 ab4= 29.a4 Ra4?? 30.b7+– Ne8?? 31.Ba6!! Ra6 32.Rc8 (32.Rc8 Rb6 33.Rd8+–) 1–0. mrkt – Nia, internet, 2006.

8.Qc2 Re8 (8...a5 9.b5=) 9.0–0 c6 10.a4 (10.a3 Nb6=) 10...d5= 11.Na2 (11.cd5 cd5 12.Qb3 e4=) 11...Rc8 (11...e4!? 12.Nd4 Be2 13.Ne2 dc4 14.Qc4 Nb6–/+) 12.h3+= Bh5 13.d3 Bd6 Black prepares e4 14.Rfc1 (14.c5 Bc7+=) 14...e4 (14...c5 15.bc5 Nc5 16.cd5 Nd5 17.Qd1+=) 15.Nd4 (15.de4!? de4 16.Nd4+=) 15...Be2–/+ 16.Qe2 (better is 16.Ne2!? c5 17.b5 ed3 18.Qd3–/+) 16...ed3–+ 17.Qd3 Ne5 18.Qe2 Nc4 19.Bc3 (19.Nf5–+) 19...Ne4 20.Be1 (20.Nf5 Nc3 21.Nc3 Bb4–+) 20...Qf6 (20...Be5!? 21.Qd3 a5 22.ba5–+) 21.Rab1 (21.Nc3 a5 22.Ne4 Re4–+) 21...Rc7 (21...Ned2 22.Bd2 Qd4 23.Bc3–+ (23.ed4?? Re2 24.Bc3 Ra2–+)) 22.Nc3 White intends b5 22...Rce7 23.b5 Ng3 24.fg3?? (better is 24.Qf3 Qf3 25.gf3+=) 24...Re3–+ 25.Qg4 Bc5 26.Nb3 (26.bc6 bc6 27.Rd1–+) 26...Re1 27.Kh2 Ne3 28.Qf3 Nf1 29.Kh1 (29.Qf1 Qf1 30.Re1 Re1 31.Re1 Bg1 32.Kh1 Qe1 33.Ne2 Be3 34.Kh2 Qe2 35.Nd4 Bd4 36.bc6 Qe1 37.h4 f5 38.cb7 Qg1 39.Kh3 Qh1) 29...Ng3 30.Kh2 Bg1 31.Kg3 Qg5 32.Qg4 R8e3# 0–1. Feofanov,Alexander – Zikunova,Valeria, Final Omsk, 2010.

8.d4 a5 9.a3 ab4=+ 10.ab4 Ra1 11.Qa1 c5 12.bc5= ed4 13.Nd4 Be2 14.cd6 Bd6 15.Nce2 Ne4 16.0–0 Qh4 17.Nf3+/– Qh6 18.Rd1 Ng5?? 19.Ng5+– Bh2 20.Kf1 Bd6 21.Ne4 Qh1 22.Ng1 Bh2 23.Ke2 Ne5 24.Be5 (24.Be5 Be5 25.Qe5 Qg2 26.Qe7+–) 1–0. Fredek (2090) – Schwarzes loch (1870), Freundschaftspartie, 5m + 0s, 2005.

8.d4 c6 9.0–0 Qb6 10.Qb3 Rfe8 11.c5 Qc7 12.de5 Ne5 13.Ne5 de5 14.Bc4 Bf8 15.f3 Be6 16.Rad1 b6 17.Be6 Re6 18.Qc4 bc5 19.bc5 Qa5 20.Na4 Nd5 21.Rd3 Rb8 22.a3 Ree8 23.e4 Nf4 24.Rd7 Qb5 25.Qf7 Kh8–+ 26.Bc1 Ne2 27.Kf2 Nc1 (27...Nc1 28.Rc1 Qa4 29.Ra7 Qd4 30.Kg3 Qd2–+) 0–1. Kreuzer,Uwe – Margo, Landesliga Mannheim, 1988.

8.d4 c6 9.b5 cb5 10.cb5 Re8 11.Qb3 Qa5 12.Rd1 Ne4 13.Rd3 Be6 14.Qc2 Bc4 15.Qa4 Qa4–+ 16.Na4 Bd3 17.Bd3 Nef6 18.0–0?? e4–+ 0–1. Lang – Kadur, corr ThG'28, 1970.

8.d4 ed4 9.ed4 d5 10.c5 Bf3 11.Bf3 c6 12.0–0 Re8 13.Qc2 Qc7 14.Rae1 Nf8 15.Re3 Ng6 16.g3 Bf8 17.Rfe1+= Re3 18.Re3 Qd7 19.Qb3 Re8 20.a4 Re3 21.fe3 Ne7 22.e4+= de4 23.Ne4 Ned5 24.Nf6 gf6 25.Bd5 cd5 26.Qc2 Bh6 27.b5 Qe6 28.Kg2 Bf8 29.Bc1 b6 30.c6+– Bd6 31.Kf3 h5 32.Bf4 Bf4? 33.Kf4+– Qg4 34.Ke3 Kf8 35.Qe2?? Qe4+/– 36.Kf2 Qd4 37.Kg2 Qc3 38.Qf3 Qe5 39.c7 Qc7= 40.Qf6 Qc2 41.Kh3 Qc8 42.Kg2 Qc2 43.Kh3 ½–½. Trokenheim,Marek – Ahlstroem,Ronny, corr SSKK 1–422, 1988.

8.h3 Bh5 9.0–0 Ne8 10.Nd5 f5 11.d4 e4 12.Nd2 Be2 13.Ne7 Qe7 14.Qe2 c6 15.a4 d5 16.b5 Qg5 17.f4 Qg3 18.cd5 cd5 19.Rfc1 Rf6 20.Nf1 Qg6 21.Ba3 Qf7 22.Rc2 Nb6 23.a5 Nc4 24.Bc5 Ned6 25.Nd2 Nd2=+ 26.Rd2 Nc4 27.Rc2 Rc8 28.Ba7= Ra8 29.Bc5 b6=+ 30.Bb4 Qd7 31.Rc4+= dc4 32.Qc4 Qf7 33.d5 h6 34.a6+/– Qd7 35.Rc1 Kh7 36.d6 Rff8 37.Qc6 Qd8? 38.Qc7 Rc8?? 39.Qc8 Qc8 40.Rc8 Rc8 41.d7 (41.d7 Rd8 42.a7+–) 1–0. Niono,O – Barumba,E, Dubai ol (Men), 1986.

8.h3 Bh5 9.b5 Nc5 10.d4= e4 11.dc5+/– ef3 12.Bf3 Bf3 13.Qf3 dc5 14.Rd1 Qc8 15.Qg3 Bd6 16.Rd6+– cd6 17.Nd5 Nh5 18.Qg5 Qd8 19.Qh5 h6 20.Bf6! Qa5 21.Bc3 Qa2 22.Ne7 Kh7 23.Qf5 Kh8 24.Qg4 Qb1 25.Kd2 Qh7 26.Nf5 f6 27.Ne7 Rfe8 28.Qe6 Rf8 29.h4 h5 30.f4 d5 31.f5 Rae8? 32.cd5 Rg8 33.Qf7 Re7 34.Qe7 Qf5 35.d6 Qd5+/– 36.Kc1 Qg2?? 37.Rd1+– b6 38.d7 1–0. Kleinke – Krieg, Schwerin, 1979.

8.h3 Bh5 9.d4 ed4 10.Nd4 Be2 11.Qe2 (worse is 11.Ke2 a5 12.b5 Ne5+=) 11...c5 12.bc5 dc5 13.Nf5 Re8 14.Ne7 Qe7 15.0–0 b6 16.Rad1 Ne5 17.Nd5 Nd5 18.Rd5 Ng6 19.Rfd1 Nf4 20.Qg4 Ng6 21.h4 (21.Rd7!? Qe4 22.Qe4 Re4 23.Rc1=) 21...Qh4+= 22.Qh4 Nh4 23.Kh2 Ng6 24.Rd7 h6 25.Bc1? (25.Kg3 Re4 26.Rc1 Re7 27.Re7 Ne7–/+) 25...Re7 (25...Ne5 26.Rb7–+) 26.f4 (26.Re7 Ne7 27.Rd6 Ng6–/+) 26...Rae8 27.Re7 Re7 28.f5 (28.Rd8 Kh7 29.Ra8–+) 28...Ne5 29.Rd8 Kh7 30.e4 f6 31.Bf4?! Nc4 32.g3 Re4 33.a4 Ne3 34.Rd7 Nf5 35.Ra7 Re2 36.Kh3 Ra2 37.Bc7 b5! 38.a5 b4 39.Rb7 Ra4 40.Bd8 Kg6 41.Rb5 Nd6 42.Rc5 Nb7 43.Rc8 Nd8 44.Rd8 Ra5 45.Rb8 Ra4 46.Rb6 h5 0–1. Rush,Bradley – Shim Ng Min,Francis, SF–2011–0–00130, 2012.

8.Nh4 Be2 9.Qe2 Nb6 10.Nf5 Qd7 11.Ne7 Qe7 12.Nb5 c6 13.Na3 d5 14.c5 Nbd7 15.Nc2 b6 16.d4 e4 17.a3 Qe6 18.0–0–0 Rac8 19.h3 Rc7 20.g4 g6 21.g5 Nh5 22.Ne1 Qf5 23.h4 f6 24.Rg1 Qe6 ½–½. Popkirov,Stojan – Detje,Sascha, Neumuenster, 1998.

7.h3 Bh5

8.0–0= b6 9.Nc3 c6 10.Qc2 d5 11.Ne5+= Be2 12.Ne2 Bb4 13.cd5 Qd5 14.d4 Bd6 15.Nf4 Qe4 16.Qc3 Nd5 17.Nd5 Qd5 18.Rfc1 c5 19.dc5+/– Bc5 20.Nd7 f6? 21.Nf8+– Kf8 22.Rd1 Qe6 23.Qd3 Nc6 24.Qh7 Kf7 25.Qh5 Kf8 26.Qd5 Ke7 27.Qe6 Ke6 28.a3 Rd8 29.Rd8 Nd8 30.Rd1 Nc6 31.g4 a6 32.Kf1 Bd6 33.f4 (33…Na5 34.f5 Ke7 35.Rd4+–; 33.Rc1 Kd7+–) 1–0. Van Esbroeck,Dirk – Stoop,G, Melsele, 1994.

8.0–0 Nc6 9.a3 Ne4 (better is 9...e4!? 10.Ne1 Be2 11.Qe2 d5=) 10.d3+/– Ng5 11.Ng5 Be2 12.Qe2 Bg5 13.Nd2 f5 14.Nf3 Bh6 15.d4 e4 16.Nd2 Qf6 17.Rab1 Qh4 18.c5 (18.d5!? Ne5 19.Be5 de5 20.Nb3+=) 18...d5= 19.Qb5 Ne7 20.Qb7 Rac8 (20...f4 21.ef4 (21.Qc7? fe3 22.fe3 Be3 23.Kh1 Bd2–+) 21...Bf4 22.Bc1–+) 21.Qa7 (better is 21.Bc1!?+/–) 21...f4+= 22.Qa4? (better is 22.Kh1+=) 22...f3?? (better is 22...fe3 23.Ne4 Qe4–+) 23.gf3?? (better is 23.Qd7 Rf5 24.Qe6 Kh8 25.Kh2 fg2 A) 26.Kg2 Rcf8 27.Ne4 de4–+ (27...Qe4?! 28.Qe4 de4 29.b5=); B) 26.Rg1 Rf2 27.Qg4 Qg4 28.hg4 Rd2 29.Bc1–+) 23...Qh3–+ 24.fe4 Qg4 25.Kh2 Qh4 26.Kg2 Rf6 27.f4 Rg6 28.Kf3 Qh3?? 29.Ke2+= Rg2 30.Kd3 Rg3 31.Rbe1+/– de4 32.Ne4 Nd5?? 33.Ng3+– Qg3 34.Qb3 Rd8 35.Kc2 Kh8 36.e4 Qg2 37.Kb1 Nf6 38.Rg1 Qd2 39.d5 Nd7 40.Qc3 Qc3 41.Bc3 Bf4 42.Bg7 Kg8 43.Bf6 Kf7 44.Bd8 Nf8 45.Ref1 Ng6 46.Bc7 (46.Bc7 Ke7 47.Bf4 Kf6 48.Bb8 Ke7 49.c6 Nf4 50.c7 h6 51.c8Q h5 52.Rg7 Kf6 53.Qc3) 1–0. Fournier,Frederic (1855) – Tony56 (1795), Active, 2004.

8.0–0 Nc6 9.b5 Na5 10.d4 =.

8.0–0 Nbd7 9.Nc3= c5 10.b5 h6 11.d3 Re8 12.Nd2 Bg6 13.Bf3 Bd3=+ 14.Re1 Rb8 15.e4 Nb6 16.Qb3 d5?? 17.ed5 Bd6= 18.Nce4 Ne4 19.Be4 Be4 20.Ne4 f5 21.Nd6 Qd6= 22.Rac1 Re7 23.Qe3 Rbe8 24.Ba3 Nd7 25.Rc2 b6 26.Bb2+= Nf6 27.f3 f4= 28.Qf2 e4 29.Bf6 Qf6 30.fe4+= Re4 31.Rcc1 g5 32.Re4+= Re4 33.Rd1 Kf8 34.Rc1 Qe5 35.Kf1+= Re3 36.Re1 (36.a4!?+=) ½–½. Melzig,Ernst – Fiedler,Werner (1710), Bayern–ch Seniors, 2002.

8.0–0 Nbd7 9.d4 e4 10.Nfd2 Be2 11.Qe2 c6 12.Nc3 d5 13.cd5 cd5 14.b5 b6 15.a4 Rc8 16.Nb3 Bb4 17.Na2 Bd6 18.Rfc1 Qe7 19.a5 Ba3 20.Nc3 Bb2 21.Qb2 Rfe8 22.ab6 ab6 23.Ra7 Qd6 24.Rca1 Nf8 25.R1a6 Rc7 26.Ra8 Ra8–/+ 27.Ra8 Qb4 28.Na2 Qb5 29.Qa3 N6d7 30.Nb4? Qe2?? 31.Nd5+– Rb7 32.Ne7 Kh8 33.Nd5 Qb5?? 34.Rf8 Nf8 35.Qf8 1–0. gtate (1880) – tmorris (2025), net–chess.com, 2003.

8.0–0 Nbd7 9.d4 e4 10.Nfd2 Bg6 11.Nc3 c6 12.Bg4 d5=+ 13.Bd7 Qd7 14.cd5 cd5 15.a3 Bd6 16.Rc1 Rac8 17.Ne2 Bh5 18.Qe1 Bb8 19.Nf4 Qd6 20.g3 Qd7 21.Nh5 Nh5 22.Kg2 f5 23.f4 Rc1 24.Bc1 Rc8 25.Qd1 Nf6 26.Nb3 Qc6 27.Rf2 b6 28.Bb2 Ne8 29.Qc1 Nd6 30.Qc6 Rc6 31.Nd2 Rc2 32.Nb1 Rc6 33.Nc3= Nc4 34.Nd5 Kf7 35.Bc1 Ke6 36.b5 Rc8 37.Nb4 Bd6 38.d5 Kd7 39.Nc6 Na3 40.Ba3 Ba3 41.Ra2 Bc5 42.Ra7 Kd6 43.Ne7 Rd8? 44.Nf5+– Kd5 45.Rg7 Kc4 46.Rh7 Rd2 47.Kf1 Kb5 48.Rh5 Kc4 49.g4 Kd3+/– 50.g5 Be3= 51.Ne3 Ke3 52.g6 Kf3 53.Ke1 e3 54.Rg5 Ra2 55.Rd5 Rh2 56.Kd1 Kf4?? 57.g7+= Rg2 58.Rd7 b5? 59.h4 b4 60.Rd4 Kf3=+ 61.Rb4?? Rg7 62.Kc2 e2 63.Rb3 Kf2 64.Rh3 e1Q 65.Rh2 Rg2 66.Rg2–+ Kg2 67.Kd3 Qh4 (67...Qh4 68.Kc3 Qe4–+) 0–1. Melzig,Ernst – Geier,Berthold, Bayern, 2000.

8.0–0= e4 9.Nd4 Be2 10.Qe2 =+.

8.Nc3 e4 9.Ng5 Bg6 =+.

8.g4 Bg6=+ 9.d3 e4 10.Nd4 c5 11.Nf5 Qd7 12.de4+/– cb4 13.e5 Ne8 14.Ne7 Qe7= 15.Nd2 de5–/+ 16.a3 Nc6 17.ab4 Nb4 18.Ba3 Nc7 19.Qa4 a5 20.e4 Rfd8–+ 21.Bb4 ab4 22.Qd1 Be4! 23.0–0?? Ra1 (23...Ra1 24.Qa1 Rd2–+) 0–1. Sukiennik,Marek (2105) – Czyrnek,Stanislaw (2000), Nowy Sacz, 1998.

6.Be2 a5

7.b5= a4 8.0–0 =.

7.b5= b6 8.0–0 Nbd7 9.d4 e4 10.Nfd2 Be2 11.Qe2 0–0 12.Nc3 d5 13.cd5+– Re8 14.Nde4 Ne4 15.Ne4 Nf6 16.Nf6 Bf6 17.Qc4 Rc8 18.a4 Re4 19.Rac1 Rg4 20.Qe2 Rg6 21.Rfd1 Qd5 22.e4 Qb3 23.e5 Qd5 24.f4 Be7 25.f5 Rh6 26.f6! Bf8 27.fg7 Bg7 28.Qf3 Qf3 29.gf3 Bf8 30.d5 Bc5 31.Bd4 Bd4 32.Rd4 Rg6 33.Kf2 c5 34.dc6 Re6 35.f4 Rc7 36.Rd6 Kf8 37.Re6 fe6 38.Rd1 1–0. vhilts (2260) – croach (2380), net–chess.com, 2010.

7.b5 Nbd7 8.d4 0–0 (8...ed4 9.Qd4 0–0 10.0–0 Nc5 11.Nc3 Bf5 12.Nd5 Qd7) 9.de5 (9.Nc3 ed4 10.Qd4 Nc5 11.0–0 Qd7 12.h3 Bf5) 9...de5 10.Ne5 (10.0–0 e4 11.Nd4 Ne5 12.Bg4 Nfg4) 10...Bb4 11.Kf1 Ne5 12.Qd8 Be2 (better is 12...Rfd8!? 13.Be5 Be6=) 13.Ke2+= Rad8 14.Be5 Ng4 15.Bc3 (15.Bc7 Rd7 16.Bg3 Rc8+–) 15...Rd7 (15...Rfe8!?+=) 16.h3+/– Nh6 17.Bb4 ab4 18.Nd2 Rfd8 19.Rad1 (19.Nf3+–) 19...c5? (19...Ra8!? 20.Nb3 Ra2 21.Kf3 Rd1 22.Rd1 Kf8+/–) 20.bc6! bc6 21.Nb3 Nf5 (21...f6!?+/–) 22.Rd7 Rd7 23.Rd1 Rd1 24.Kd1 Nd6 25.Nd4 (25.c5!? Ne4 26.f3 Nc3 27.Kc2 Na2+–) 25...c5+/– 26.Nb3 Nb7 27.Kd2 f5 28.Kd3 Kf7 29.e4 g6 30.e5 g5 31.g3 h5 32.f4 h4 33.fg5 hg3 34.Ke3 1–0. Makoveev,Ilya – Egorov,Valery (1810), Kislovodsk RUS, Open, 2013.

6.Be2 c6

7.0–0 0–0 8.d4 e4 9.Nfd2 Be2 10.Qe2 d5 11.c5 Nbd7 12.Nc3 Ne8 13.a4 f5 14.f3 a6 15.fe4 fe4 16.Rf8 Kf8 17.Rf1 Kg8 18.Qf2 Bf6 19.a5 Bg5?? (better is 19...Qe7=) 20.Qf7 Kh8 21.Qf8!! Nf8 (21...Nf8 22.Rf8 Mate attack) 22.Rf8 1–0. Fournier,Frederic (1880) – Le Cour,Hugo, Open Club608, 2011.

7.Nc3 0–0 8.Qc2 Qc7 9.Rc1 Nbd7 10.Bd3 Rfe8 11.h3 Bh5 12.Ng5 Bg6 13.Bg6 hg6 14.h4 Rac8 15.h5 gh5–/+ 16.Rh5 d5 17.Rh3 e4 18.Ke2 Ne5?? 19.Rch1?? Ng6 20.f3 Qd7 21.c5 Qf5=+ 22.f4 Rcd8 23.Ke1= Qg4 24.Ne2+/– Nd7?? 25.Rg3+– Qf5 26.Nd4 Qf6 27.Qd1 Nf4? 28.ef4 Qf4 29.Rh8!! (29.Rh8 Kh8 30.Qh5 Kg8 31.Qh7 Kf8 32.Qh8#) 1–0. Kleiser,Gregor (2155) – Kuess,Mario (2150), AUT–chT2S, 1999.

7.h3 Be6 8.a3 h6 9.0–0 Nbd7 10.d3 Nb6 11.Nbd2 a5 12.Qb3 a4 13.Qc3 Nh5? (13...0–0!?+=) 14.d4 f6? (better is 14...ed4!? 15.Nd4 Nf6+/–) 15.de5 de5 16.Rfd1 Qc7 17.c5 (better is 17.Nh4!? Bf7 18.g4 g6 19.gh5 gh5+–) 17...Nd5 18.Qc2 Qd7? (18...0–0 19.Nh4 Ng3 20.Bc4+– (20.fg3?! Ne3 21.Qg6 Bf7+/–)) 19.Ne4 (19.Ne5 fe5 20.Bh5 Bf7 21.Bf7 Kf7+–) 19...Bf5? (19...0–0 20.g4 f5 21.Ne5+–) 20.Bd3 g6 21.Ng3?? Ng3+= 22.fg3 Ne3–/+ 23.Bf5 Nc2?? 24.Bd7+– Kf8 25.Rac1 Ne3 26.Re1 Nd5 27.Be6 Nc7 28.Bc4 Kg7? 29.Rcd1 Rad8 30.Nh2 Rhf8 31.Nf1 g5? 32.Ne3 Rd1 33.Rd1 Kg6 34.Bd3 Kg7 35.Nf5 Kf7 36.Bc4 Ne6 37.Nd6 Bd6 38.Rd6 Re8 39.Rd7 Re7 40.Re7 Ke7 41.Be6 Ke6 42.Kf2 Kf5 43.Ke3 h5 44.Bc3 Ke6 45.Ke4 f5 46.Ke3 Kd5 47.Kd3 e4 48.Kc2 Kc4 49.Bf6 g4 50.hg4 fg4 51.Bg5 Kd4 52.Kd2 Kc4 53.Kc2 Kd4 54.Bd2 e3 55.Bc3 Ke4 56.Be1 Kd4= 57.Bc3 Kc4 58.Be1 e2 59.Kd2 Kb3 60.Ke2 Ka3 61.Kd3 Kb3 62.Bc3 a3 63.Kd4 Ka4 64.Kc4+– a2 65.Ba1 Ka3 66.Kc3 Ka4 67.Bb2 Kb5 68.Kb3 b6 69.cb6 Kb6 70.Bc3 Kb5 71.Ka2 c5 72.bc5 Kc5 73.Kb3 Kd5 74.Be1 Ke4 75.Bf2 Kd3 76.Kb2 Ke2 77.Bc5 Kf1 (77...Kf1 78.Be7 Kg2+–). Fournier,Frederic (1765) – SALMANTINO (1740), Active (5/0), 2004.

6.Be2 Nc6

7.b5 Nb8 8.d4 ed4 9.Nd4 Be2 10.Qe2 0–0 11.Qf3 Nbd7 12.0–0 c6 13.Nf5 cb5 14.cb5 d5 15.Rd1 Rc8 16.Nc3+– Nb6 17.e4 Bb4 18.Nd5 Nbd5 19.Rd5 Qb6 20.Bd4 Nd5 21.Bb6 Nb6 22.e5 Nc4 23.Qb7 Ne5 24.Qe4 Bc3 25.Ne7 Kh8 26.Nc8 Ba1 27.Na7 Rd8 28.g4 h6 29.Nc6 Nc6 30.bc6 Rd1 31.Kg2 Rc1 32.Qe8 Kh7 33.Qd7 h5 34.gh5 f5 35.Qf5 Kg8 1–0. COMP – COMP, 2002.

7.b5 Nb8 8.d4 e4 9.Nfd2 Be2 10.Qe2 a6 11.ba6+= Ra6 12.Nc3. pcmvr (2225) – mgokhale (1685), net–chess.com, 2006.

7.b5 Nb8 8.h3 Be6 9.0–0 a6 10.Nc3 ab5 11.cb5 Nbd7 12.d4 ed4 13.Nd4 Nc5 14.a4 0–0 15.a5 Nd5 16.Ne6+/– Nc3 17.Nd8 Ne2?? 18.Qe2+– Rfd8 19.a6 ba6 20.ba6 1–0. pcmvr – salaschess (2160), net–chess.com, 2009.

7.d4 e4 8.Nfd2 Be2 9.Qe2 Nb4 10.0–0 –/+.

6.Be2 Nbd7

7.0–0 b6 8.Nc3 h6 9.Qc2 0–0 10.h3 Be6 11.d4 e4 12.Ne4+/– Bf5?? 13.Nf6+– Bf6 14.Qf5 Re8 15.Bd3 g6 16.Qd5 Kg7 17.Bc3 Nf8 18.Nd2 Qd7 19.Qf3 Rac8 20.Ne4 Re6 21.d5 Bc3 22.de6 (22.de6 fe6 23.Nc3+–) 1–0. pierre – opponent, internet, 2009.

7.0–0 c6 8.d4 e4 9.Nfd2 Be2 10.Qe2 0–0 11.a4 d5 12.b5 a6 13.Nc3 ab5 14.ab5 Ra1 15.Ra1 Bb4 16.c5+= Bc3 17.Bc3 cb5 18.Qb5 Qc7 19.Ra7 Rb8 20.Nb3 Ng4 21.g3 f5 22.Na5+/– f4 23.ef4+– e3 24.fe3 Ne3 25.Rb7 Rb7 26.Qb7 Qb7 27.Nb7 Nc4 28.c6 Ndb6 29.Bb4 Kf7 30.Nd6 Nd6 31.Bd6 Nc8 32.Be5 g6 33.g4 Ke6 34.Kf2 Ne7 35.c7 Kd7 36.Ke3 Ke6 37.Kd3 Kd7 38.Kc3 h6 39.Kb4 h5 40.h3 hg4 41.hg4 Nc6 42.Kc5 Ne7 43.c8Q! Nc8 44.Kd5 Nb6 45.Ke4 Nc4 46.f5 gf5 47.Kf5 Ne3 48.Kg5 Nd5 49.Kh6 Ne3 50.g5 Nf5 51.Kh7 Ke6 52.g6 Ne7 53.g7 Kf7 54.d5 (54.d5 Ke8 55.d6 Ng8 56.Kg8 Kd7 57.Kf8 Kc8 58.g8Q Kd7 59.Qf7 Kc6 60.Qc4 Kb6 61.d7 Kb7 62.d8Q Ka7 63.Qb8#) 1–0. Hingst,Thomas (2095) – Schulz,Peter (1845), RSS7E basic–13, 2009.

7.0–0 c6 8.Nh4 Be2 9.Qe2 g6 10.d3 h5 11.a3+= Rg8 12.Nd2 Nh7 13.Nhf3 g5 14.d4 g4 15.Ne1 Ng5 16.f4 gf3 17.Nef3 Qc7 18.Ng5 Rg5 19.Ne4 Rg4 20.Ng3 0–0–0 21.Rf7+– Bh4 22.Nf5 Rf8?? 23.Rf8 Nf8 24.h3 Re4 25.Qf3 Re3 26.Qe3 Bd8 27.Qh6 Nd7 28.de5 de5 29.Rd1 e4 30.Qh8 b6 31.Qe8 e3 32.Ne7 (32.Ne7 Kb7 33.Rd7 Ka8 34.Rc7 e2 35.Qd8) 1–0. MrkT – shui, internet, 2005.

7.0–0 e4 8.Ne1 Be6 9.f3 =.

7.0–0 h6 8.Nc3 c6 9.Re1 h5 10.d4 e4= 11.Nd2 Be2 12.Qe2 h4? 13.Nce4 Ne4 14.Ne4 Nf6 15.Nf6 Bf6 16.Qg4 Qd7 17.Qd7 Kd7 18.h3 c5 19.bc5+– dc5 20.Rab1 Rae8 21.dc5 Bb2 22.Rb2 Kc6 23.Rd1 Re6 24.Rd6! Rd6 25.cd6 Rd8 26.Rd2 Kc5 27.Rd4 b6 28.Kf1 Rd6+/– 29.Rd6 Kd6 30.Ke2 Kc5 31.Kd3 g5? 32.g3?? f5 33.gh4+– gh4 34.f3 a5 35.e4 fe4 36.fe4 a4 37.e5 a3 38.Ke4 Kc6 39.e6 Kd6 40.e7 Ke7 41.Kd5 Kd7 42.c5 bc5 43.Kc5 Kc7 44.Kb4 Kb6 45.Ka3 Ka5 46.Kb3 Kb5 47.Kc3 Ka4 48.Kd4 Ka3 49.Ke4 Ka2 50.Kf4 Kb3 51.Kg4 Kc4 52.Kh4 Kd5 53.Kg5 Ke6 54.Kg6 Ke7 55.Kg7 Ke8 56.h4 Ke7 57.h5 1–0. Djakov,Joao – Kennedy,Robert A, Internet Section, 2004.

7.a4 a5 8.b5 Nc5 9.d4= Bf3 10.Bf3+/– ed4 11.ed4 Nce4+= 12.0–0 0–0 13.Nc3 Nc3 14.Bc3 d5 15.c5 Re8 16.Re1+/– Qd7 17.Qd2 b6 18.c6 Qd8 19.Re2 Bd6 20.Rae1 Re2 21.Re2 Qf8 22.Qa2 Re8 23.Re8 Qe8 24.Bd5 Bb4? 25.Bb4+– ab4 26.Bc4 Qe1+= 27.Bf1 Ne4 28.Qe2 Qe2 29.Be2 Nc3 30.Bc4+– Na4?? 31.d5 Nc5 32.d6! Ne6 33.Be6 (33.Be6 cd6 34.Bd5+–) 1–0. Furlong,Kevin – Offenwanger,Thomas (1690), Afro op, 1998.

7.Qb3 e4 8.Nd4 0–0 9.d3 d5 10.cd5 Be2 11.Ne2 ed3 12.Nf4 Nb6 13.Nc3 d2 14.Ke2 Re8=+ 15.Rhd1 Bd6 16.g3 Qd7 17.Rd2 Bf4 18.gf4 Qg4 19.Kf1 Qh3 20.Ke2 Qh2 21.Kd1 Qh5 22.Kc1 Rad8 23.d6 Rd6–+ 24.Rd6 cd6 25.Kd2 d5 26.Rd1? Qf3 27.Rf1 Re3!! 28.fe3 Qf1 29.Ne2 Nc4 (29...Nc4 30.Kc3 Qe1 31.Kd4 Qd2 32.Qd3 Qb4–+) 0–1. Bennett,Hilton Petrie (1945) – Lovejoy,David (1970), North Island–ch, 1999.

7.Qc2 c6 8.a4 0–0 9.0–0 Re8 10.d3= Qc7 11.Nbd2 d5 12.c5 Bf8 13.e4 d4 14.Qd1 a5 15.Nd4 Be2 16.Ne2 ab4 17.f4 Bc5–+ 18.Kh1 ef4 19.d4–/+ Bb6 20.e5 Nd5 21.Qb3 Qd8 22.Nf4=+ Nf4 23.Rf4 Qe7 24.Raf1 Rf8 25.Ne4 Bc7 26.Rf5 h6 27.Bc1 c5 28.Qg3 Qe6?? 29.Rf6 Nf6? 30.Rf6?? Be5!–/+ 31.de5 Qd5 32.Qf3 Rad8 33.Rd6? Qe5 34.Rd8 Rd8 (35.Kg1 c4–+) 0–1. Otte,Marco – Anjema,Piet, Wag.ext.4vsVeenendaal2, 2002.

7.Nc3 a5 8.b5 0–0 9.d3 Nb6 10.0–0 Re8 11.c5 Nbd5 12.Nd5 Nd5 13.Qa4 Bf5 14.Rac1 Bf6 15.Rfd1 =.

7.Nc3 a5 8.b5 0–0 9.d3 Nc5 10.0–0 Re8 11.Re1 a4 12.d4 a3 13.Bc1 ed4 14.ed4 Ne6 15.Ng5 +=.

7.Nc3 a5 8.b5 0–0 9.d3 Re8 10.0–0 Nb6 11.a3 Ra7 12.h3 Be6 13.Ng5 Bc8 14.d4 Nfd7 15.Nge4 =.

7.Nc3 a5 8.b5 0–0 9.d3 Ne8 10.0–0 f5 11.Nd2 Be2 12.Qe2 f4 13.ef4 Rf4 14.Nd5 Rf7 15.f4 c6 16.Ne7 Re7 17.fe5 de5 18.Ba3 c5 19.Qf3+/– b6? 20.Qd5+– Kh8 21.Qd7! Nf6 22.Qd8 (22.Qd8 Rd8 23.Ne4 Rd3 24.Bb2+–) 1–0. Kreuzer,Uwe – Pracht, Lampertheim, 1986.

7.Nc3 c6 8.d4 e4 9.Ng5 Be2 10.Qe2 d5 11.cd5 cd5 12.a3 0–0 13.h4 Nb6–/+ 14.Nh3 Nc4 15.Nf4 Rc8 16.g4 Qd7 17.g5= Nb2 18.Qb2+= Ne8 19.Nfd5 Nd6 20.Ne7 Qe7= 21.Ne2 Rc4 22.Rc1 Rfc8 23.Rc4 Rc4 24.Kd2 Rc6 25.Qb3 Nc4 26.Ke1 b5 27.Nc3 a6 28.a4 Qb7 29.ab5= ab5 30.Ne4 Nd6?? 31.Nc5 Rc5=+ 32.bc5 Qh1 33.Ke2 Ne4 34.c6 Qh4 35.c7? Nd6?? 36.Qd5+/– Qg4 37.Kd2 Qd7 38.c8R Qc8 39.Qd6 g6 40.Qc5 Qa6 41.d5 1–0. Urdapilleta,Miguel – Herzog,Volker (1655), Lobau–Zittau KSK op, 2004.

7.Nc3 e4 8.Ng5 Be2 9.Qe2 0–0 10.Nge4+/– Re8 11.0–0 c6 12.Rac1 Ne4 13.Ne4 Nf6 14.f3 d5 15.Nf6 Bf6 16.Bf6 Qf6 17.cd5 cd5 18.Rc5 Qb2 19.Rd5 Qa2 20.Rd7 Red8 21.Qd3 Rd7 22.Qd7 b5 23.Rc1 Rf8 24.Qd4 a6 25.Kf2 Qe6 26.Rc7 h6 27.e4 Re8 28.h3 Re7 29.Re7+– Qe7 30.g3 Qc7 31.Qc3 Qd7 32.g4 Qd6 33.e5 Qe6 34.Qd4 Qe7 35.Kg3 Kf8 36.f4 a5 37.ba5 Qa3 38.Kf2 Qa5 39.Qd7 b4+/– 40.Qc8 Ke7 41.Qb7 Kf8 42.Qb8 Ke7 43.Qd6 Ke8 44.Qc6 Kf8 45.Ke2+– Qa3 46.Qc8 Ke7 47.Qc5 Ke8 48.Qb5 Kd8 49.Qb8 Ke7 50.Qd6 Ke8+/– 51.h4 Qa4 52.Qb8 Ke7 53.Qc7 Ke8 54.Qc8 Ke7 55.Qc4 Kf8 56.f5 Kg8 57.e6 fe6 58.fe6 Kf8 59.d4 Ke7 60.d5 Kd6 61.Ke3 g6 62.Ke4 h5 63.g5 (63.g5 Qe8 64.Qb4 Kc7 65.d6 Kc8 66.Kd5+–) 1–0. pcmvr (2775) – gmofredes (2545), net–chess.com, 2008.

7.d3 0–0 8.0–0 a5 9.b5 Re8 10.h3 Bf5 11.d4 a4 12.de5+= de5 13.Ne5 a3 14.Bd4 Ne5 15.Be5 Nd7 16.Bd4 Bd6 17.Nd2 c5 18.bc6 bc6 19.Bf3 Ra6 20.e4 Be6 21.Bg4 Nf6 22.Be6 Re6 23.Rb1 Ne4 24.Ne4 Re4 25.c5 Be7 26.Qd3+– Rd4 27.Qa6 Bc5 28.Qc6 Bb4 29.Rfc1 Ba5 30.Qc5 Rd3 31.Qe5 Rd5 32.Qd5!! Qd5 33.Rc8 Bd8 34.Rbb8 Qd1 35.Kh2 Qd6 36.g3 Kf8 1–0. COMP – COMP, 2002.

7.d3 0–0 8.0–0= Re8 9.Nbd2 c6 10.Qb3 Rc8 11.a4 d5 12.cd5 cd5 13.h3= Bh5 14.g4 Bg6 15.Ne5 Ne5 16.Be5 Qb6 17.b5+= Qa5 18.Nf3 h5 19.Nh4 hg4? 20.Ng6+– fg6 21.Bf6 Bf6 22.Qd5 Kh7 23.d4 gh3 24.Bg4 Rc2 25.Qb7 Bh4? 26.Qf3 Qd2? 27.Qh3 g5 28.Bf5 Kh8 29.Bc2 Rf8 30.Be4 g6 31.Rac1 Rf2 32.Rc8 Kg7 33.Qd7 (33.Qd7 Rf7 34.Qf7 Kh6 35.Qg6#) 1–0. Faas,Dominik – Agosti,Roberto, Saarland–chC, 1993.

7.d3 0–0 8.Nbd2 b6 9.h3 Bf3 10.Nf3 Rb8 11.a3 c5 12.b5 h6 13.0–0 Qc7 14.a4 Nh7 15.Qd2 f5 16.Qc3 Bf6 17.Qd2 e4 18.Bf6?? (18.Ne1 Bb2 19.Qb2 Nhf6=) 18...Ndf6?? (better is 18...ef3 19.Bc3 fe2 20.Qe2 Rbe8–+) 19.de4 Ne4 20.Qd5 Qf7 21.Qf7 Rf7 22.Rac1 Re8 23.Rfd1 Rd7 (23...f4 24.ef4 Rf4 25.Rc2+=) 24.Nd2 (better is 24.Nh4!?+/–) 24...Nhf6+= 25.Bf3 Red8 26.Ne4 Ne4 (26...fe4!? 27.Bg4 Ng4 28.hg4 d5=) 27.Be4 fe4 28.Kf1 Kf7 29.Rd5 g6 30.Ke2 Kf6 31.Rcd1 Ke6 32.f3 ef3 33.gf3 Kf6 34.e4 Ke6 35.Ke3 Ke7 36.h4 Kf6 37.f4 Ke7 38.e5 de5+/– 39.Rd7 Rd7+= 40.Rd7 Kd7 41.fe5 Ke6 42.Ke4 g5 43.hg5 hg5 44.Kf3 Kf5 45.e6 Ke6 46.Kg4 Kf6 47.Kf3 Kf5 48.Kg3 g4 49.Kg2 Kf4 50.Kf2 g3 51.Kg2 Ke4 52.Kg3 Kd4 53.Kf4 Kc4 54.Ke3 Kb4 55.Kd3 Ka4 56.Kc3 Kb5 0–1. Fournier,Frederic (1675) – alfonn, Active, 2006.

7.d4 ed4 8.Nd4 Be2 9.Qe2 0–0 10.0–0 c6 11.Nd2 Qc7 12.Nf5 Ne5 13.Rac1 Rfe8 14.Ne7 Re7= 15.f4 Ned7 16.Nf3 Rae8 17.Rc3 Qb6–/+ 18.Nd4 (18.Nd4 Qd4!! 19.Qd1 (19.ed4?? Re2 20.Bc1 Ra2–+) 19...Qd1 20.Rd1–+) 0–1. Zembla – sidviz, playchess.de, 2001.

7.d4 ed4 8.Nd4= Be2 9.Qe2 d5 10.c5 a5 11.0–0 ab4 12.c6 Ne5 13.cb7+– Rb8 14.f4 Qd7? 15.fe5 Ne4 16.Rf7 c5 17.e6 (17.e6 Qa4 18.Nf5 Rb7 19.Rg7+–) 1–0. Cuartero,M – Gandarillas,R, Cajas op, 1989.

7.d4 e4 8.Nfd2 Be2 9.Qe2 d5 10.a3 c6 11.cd5 cd5 12.Nc3 0–0 13.0–0 Nb6 14.f3 ef3 15.Qf3 Rc8 16.Rac1 Qd7 17.e4 de4 18.Nce4 Rc1 19.Rc1 Rd8 20.Qb3 Nbd5 21.Nf6 Nf6 22.Nf3 Nd5 23.Ne5 Qe6 24.Rf1 f6 25.Nf3 Bd6 26.Re1 Qf7 27.Bc1 g6 28.Qc4 Kg7 29.Bd2 Rd7 30.g3 Rc7 31.Qd3 a6 32.Rc1 Re7 33.Re1 Rd7 34.Qc4 Rc7 35.Qd3 b5 36.Rc1 Qe6 37.Rc7 Bc7 38.Nh4 Bb6 39.Ng2 Qe5 Attacks the isolani on d4 (39...Qe5 40.Be3 Qc7+=) 0–1. Kolodziej,Dennis (1640) – Hardt,Helmut (1820), Dortmund–ch, 2005. (=1.Nf3 Nf6 2.b4 d6 3.Bb2 e5 4.c4 Be7 5.e3 Bg4 6.Be2 Nbd7)

7.d4 Bf3 8.Bf3 ed4 9.ed4 c6 10.0–0 0–0 11.Nc3 Nb6 12.Qb3 d5 13.c5 Nc4 14.Rad1 a5 15.b5 a4 16.Qc2 a3 17.Bc1+= cb5 18.Nb5+/– Ra5 19.Nc3+– b5 20.Rfe1 Re8 21.Bg5 Nb2 22.Rb1 b4 23.Bf6 Bf6+/– 24.Re8 Qe8 25.Ne2 Ra7 26.Bd5 Re7 27.Kf1 Qd8 28.Qb3 Qb8 29.g3 Qb5= 30.Bf3 Bd4–/+ 31.Qd5 Bc5 32.Rc1 Na4 33.Qa8+= Re8 34.Qc6 Qc6 35.Bc6 Re2 36.Ba4?? Rf2–+ 37.Ke1 Rf5 38.Ke2 g6 39.Kd3 Bf8 40.Ke4 Rf2 41.Rc2 Rf1 42.Bb3 Kg7 43.Rc7 g5 44.Rb7 Rf2 45.Ke3 Bc5 46.Ke4 Kg6 47.h3 Bf8 48.Ke3 Bc5 49.Ke4 h5 50.Rb5 Bf8 51.Rb8 Bg7 52.Rb4 Rh2 53.Kf3 Rh3 54.Kg2 g4 55.Bc2 Kh6 56.Rb3 Be5 57.Bf5 Kg5 58.Bb1 h4 59.gh4 Rh4 60.Ra3 Rh2 61.Kg1 g3 62.Ra5 f6 63.Rb5? Rd2 64.a4 Kf4 (64...Kf4 65.Re5 fe5–+) 0–1. Boucher,Eric (2145) – Bazart,David (2220), FRA–chT, 2003.

7.h3 Bf3 8.Bf3 c6 9.a4 e4 10.Be2 0–0 11.0–0 d5 12.Qb3 Bd6 13.d3 Bb8 14.cd5 Qc7 15.g3 cd5 16.Nc3 ed3 17.Bd3 Ne5 18.Be2 Rd8 19.Rfe1 Qd7 20.Rad1 The pressure on the isolated pawn grows 1–0. Stecyk,Jozef (1730) – Szczur,Stanislaw, Zamosc Poland, 2013.

7.h3 Bf3 8.Bf3 c6 9.Nc3 0–0 10.0–0 Re8 11.Rb1 Bf8 12.d3 a6 13.a4 Qc7 14.Rc1 Rad8 15.g4 h6 16.Kh1 Nh7 17.Rg1 Be7 18.Qc2 Ng5 19.Bg2 Ne6 20.a5 Ndf8 21.Qa4 Ng6 22.Nd5 Qb8 23.Ne7 Ne7 24.b5 d5 25.bc6 bc6 (25...Nc6?? 26.cd5 (26.Bd5?! Nc7+=) 26...b5 27.ab6 Qb6 28.Rc6 (28.dc6?! Qb2 29.Rc2 Qb6+/–) 28...Qb2 29.de6+–) 26.Rb1 Nc5 27.Qa3 Ne6 (27...Nd7!?+=) 28.Bd4+/– ed4 29.Rb8 Rb8 30.ed4 Nd4 31.Qd6 Ng6? (better is 31...Rbd8!? 32.Qb4 Rb8+/–) 32.cd5+– cd5? (32...Red8 33.Qc5 Nb3 34.Qc6 Na5 35.Qa6 Nb3+–) 33.Bd5 (33.Qd5?! Red8 34.Qc4 Rb5+–; 33.Qa6?! Rbd8+–) 33...Rbd8 34.Qg6 Rd5 35.Qa6 Nf3 (35...Red8 36.Rc1 R5d6 37.Qb7+–) 36.Rc1 Re2 (36...Ne1 37.Rc8 Rdd8 38.Rd8 Rd8+–) 37.Qa8 Kh7 38.Qd5 Rf2 39.Qf5 Kg8 (39...g6 40.Qf7 Kh8 41.Rc8) 40.Rc8 1–0. rcm06 (1990) – najtreb (1820), gameknot.com, 2012.

7.h3 Bf5 8.0–0 =+.

7.h3 Bf5 8.d3 0–0 9.0–0 Re8 10.Nc3 Bf8 11.Nd2 c6 12.Bf3 Bd3–/+ 13.Be2 Be2 14.Qe2 d5 15.cd5 cd5 16.Qb5 Qb6 17.a3 a6 18.Qb6 Nb6 19.Rac1 Nfd7 20.Rfd1 f6 21.Nf3 Nc4 22.Rc2 Ndb6 23.Nd5= Rad8 24.Nc3 Nb2 25.Rd8 Rd8–/+ 26.Rb2 Nc4 27.Rb3=+ Rd3 28.Ne1 Rd2 29.Nb1?? Rd1–+ 30.Kf1 Rb1! 31.Rb1 Nd2 32.Ke2 Nb1 33.Nc2 Nc3 34.Kd3 Nb5 35.Kc4 Kf7 36.a4 Nc7 37.b5 ab5 38.ab5 b6 39.e4 Bc5 40.f3 Ne6 41.h4 Kg6 42.g4 h5 43.Ne1 Nf4 44.Kc3 Bf2 45.Kd2 Bh4 0–1. Kotsaga,Vasilisa – Ermokhina,Nadezhda, RUS–ch U14 Girls, 2000.

7.0–0 0–0

8.a3 e4 9.Ne1 Be2 10.Qe2 c6 =.

8.Nc3 c6 9.a3 Re8 10.d3 Rc8 11.Ng5 Be2 12.Qe2 h6 13.Nge4 d5 14.Ng3 Bf8 15.Qf3 e4 16.de4 Ne5 17.Qe2 Nc4 18.ed5 Nb2 19.Qb2 cd5 20.Rfd1 Qd7 21.Rd4 Rc4? 22.Rad1 Rec8 23.Rc4 Rc4 24.Qd2 Qc6 25.Nd5 Nd5 26.Qd5 Qd5 27.Rd5 Rc3 28.Rd7 Ra3 29.Rb7 Bd6 30.Nf1 Ra4 31.b5 Bc5 32.g3 Bb6 33.Nd2 Rb4 34.Kg2 Rb5 35.Nc4 f6 36.Nd6 Re5 37.Nc8 Ra5 38.Nb6 ab6 39.Rb6 Kh7 40.g4 h5 41.h3 hg4 42.hg4 Rg5 43.Kg3 Rc5 44.Rd6 Ra5 45.e4 Kg6 46.Kf4 Re5 47.Rd5 Re7 48.f3 Rf7 49.Kg3 Ra7 50.e5 fe5 51.Re5 Ra6 52.Re3 Rb6 53.f4 Ra6 54.Rf3 Ra1 55.Kg2 Ra2 56.Rf2 Ra4 57.Kg3 Ra3 58.Kh4 Ra1 59.f5 Kf7 60.Kg5 Ra6 61.Rb2 Ra7 62.Rb6 Rc7 63.Kh5 1–0. Bartle,Georg (1680) – Schulz,Hermann, Wch Seniors, 2003.

8.Nc3 e4 9.Nd4=+ Be2 10.Nde2 Ne5=+ 11.Qb3 c6 12.Ng3 d5 13.cd5 cd5 14.Nf5 Nd3=+ 15.Ba3 Re8–/+ 16.Ne7 Re7 17.b5 Rd7 18.Bb2 Qc7 19.Na4 Ng4 20.g3 Qd6 21.f3–/+ Nge5 22.fe4 de4–+ 23.Qc3 Nb2 24.Nb2 Nf3 25.Kg2 Qd2 26.Qd2 Rd2 27.Rf2 Rf2 28.Kf2 Rc8 29.Rd1?? Rc2 30.Kf1 Nh2 31.Kg1 Nf3 32.Kf1 g6 33.Rd8 Kg7 34.Nd1 Rc7 35.Nf2 f5 36.g4 Kf6 37.Rd5 Ke6 38.Rd8 Ne5 39.gf5 gf5 40.Nh3 Ng6 41.Ng5 Kf6 42.Nh3 b6 43.Rd4 Rc1 44.Ke2 Rc2 45.Rd2 Rd2 46.Kd2 h6 47.Kc3 Ke5 48.a4 f4 49.Kd2 f3 50.Nf2 h5 51.Kc3 Ne7 52.Kc4 Nd5 (52...Nd5 53.Nd1 h4–+) 0–1. Karali,A – Adondakis,Hristina (2020), GRE–chT, 2002.

8.d3 a5 9.b5 c6 10.Nc3 Nc5 11.d4 ed4 12.Nd4 Be2 13.Qe2 Qd7 14.Rad1 Rad8 15.Qf3 d5 16.Nf5+– Nce4?? 17.Ne4 Ne4 18.cd5 cd5 19.Rd5!! Qe6 20.Re5 Nd2 21.Qg4 Qf6 22.Ne7 Kh8 23.Rh5 (23.Rh5 Rd6 24.Bf6 Rf6 25.Rf5+–) 1–0. pereira – omkolthom, internet, 2006.

8.d3 c6 9.Nbd2 d5 (9...Qb6 10.Bc3=) 10.cd5 cd5 11.a3 (11.Ne5!? Ne5 12.Be5 Be2 13.Qe2 Bb4 14.Rab1+=) 11...Bd6= 12.Rc1 Qe7 13.h3 Bh5 14.Nh2 Be2 15.Qe2 Rfc8 16.Ng4 Ng4 17.Qg4 a5 18.Rc8 Rc8 19.ba5 Rc2 20.Bc1 Nf6 21.Qd1 Rc3 Attacks the isolani on a3 22.a4 Rd3 23.Qc2 e4 24.Nb3 (24.Bb2+=) 24...h6 (24...Qe5!? 25.g3 Rc3–/+) 25.Nd4 (25.Bb2 Bb4=) 25...g6 26.Qc8 Kg7 27.Bb2 Ba3 (better is 27...Qc7!? 28.Qc7 Bc7=) 28.Ba3+= Qa3 29.Qb7 Qa4 30.a6 Ra3 31.Ne6 Kg8 32.Qa8 Qe8+= 33.Qe8 Ne8+= 34.Nc5 Nc7–/+ 35.Rd1 Na6 36.Na6 Ra6 37.Rd5 Ra1 38.Kh2 Kg7 39.g4 Kf6 40.Kg2 Ke6 41.Rb5 Rd1 42.Rb4 f5 43.gf5 gf5 44.Rb5 Rd5 45.Rb6 Rd6 46.Rb8 Ke5 47.Rb5 Rd5 48.Rd5 Kd5 49.Kg3 Ke5 50.h4 h5 51.Kg2 f4 52.ef4 Kf4 53.Kg1?? Kg4–+ 54.Kg2 Kh4 55.f3 e3 56.Kf1 Kg3 57.Ke2 Kf4 (57...Kf4 58.Kf1 Kf3 59.Ke1 h4 60.Kd1 e2 61.Kd2 h3 62.Kc3 e1Q 63.Kc4 Qe4 64.Kb5 Qd3 65.Kb4 h2 66.Kc5 h1Q 67.Kb6 Qh6 68.Kb7 Qha6 69.Kc7 Qdd6) 0–1. Fournier,Frederic (1920) – biomagus (1855), Active, 2011.

8.d3 Re8 9.Nbd2 c6 10.Qc2 Qb6 11.a3 a6 (11...a5 12.Bc3 ab4 13.ab4 d5 14.c5 Qc7 15.h3 Bh5 16.Rfe1 Reb8 17.Qb2=; 11...c5 12.h3 (12.Rfb1 Rac8 13.bc5 Qc5 14.d4 Qc7 15.h3 Bf3 16.Nf3 e4 17.Nd2=; 12.bc5 Nc5 13.d4 ed4 14.Bd4 Qc7 15.Rfd1 Rac8 16.Rab1 b6 17.Bd3=) 12...Be6 13.d4 cd4 14.ed4 ed4 15.Bd4 Qc6 16.Ng5 Nf8 17.Bf3+=) 12.Rfe1 (12.d4 ed4 13.Nd4 Be2 14.Ne2 a5 15.Bd4 c5 16.ba5 Qa5 17.Bc3=; 12.Rfb1 a5 13.d4 ab4 14.ab4 Ra1 15.Ba1 Ra8 16.Bd3 Qc7 17.h3+=; 12.Bc3 Rad8 13.Rae1 Qc7 14.d4 c5 15.Qd3 b5 16.cb5 ab5 17.bc5+=; 12.h3 Bf5 13.Bc3 Rad8 14.Rfe1 c5 15.e4 Be6 16.Ng5 Rf8 17.Ndf3+=) 12...Kf8 (12...a5 13.Bc3 ab4 14.ab4 Qc7 15.d4 ed4 16.Ra8 Ra8 17.ed4=) 13.d4 ed4 14.Bd4 Qc7 (14...c5 15.Bc3 Kg8 16.Bd3 Rac8 17.h3+=) 15.Bd3 (15.Ng5 Be2 16.Nh7 Kg8 17.Nf6+/–) 15...Bh5 (15...Ne5 16.Rad1 c5 17.bc5+=) 16.Bc3 (16.Bh7?! g6 17.h3= (17.Ng5 Nh7 18.Nh7 Kg8=); 16.Bf5 Kg8 17.Ng5+=) 16...Bg6 (16...Kg8 17.Ng5+=) 17.Rad1 (17.Bg6+/–) 17...Ng4 18.h3 Nge5 19.Bg6 hg6 20.Ne5 de5 21.c5 Bf6 22.Ne4 Be7 23.Qb2 f6 24.Rd2 Rad8 25.Red1 Nb8 26.g4 g5 27.Ng5 fg5 28.Be5 Qc8 29.Bg7 Kf7 30.Be5 Rd2 31.Rd2 Rd8 32.Qa2 Kf8 33.Qc2 Rd2 34.Qd2 Qd7?? (better is 34...Nd7 35.Bd6 Nf6+=) 35.Qc2+– Qd8 36.Qf5 Ke8+/– 37.Qg6 Kd7 38.f4 gf4 39.ef4 Kc8= 40.Qe6 Qd7? 41.f5+– Qe6 42.fe6 a5 43.Bd6 Bd6 44.cd6 ab4 45.ab4 Na6 46.g5 Nb4 47.e7?? Kd7+/– 48.h4 Nd5 49.h5 Ne7?? 50.de7+= Ke7 51.h6 Kf7 52.h7 Kg7 53.g6 b5 54.Kf1 b4 55.Ke2 c5 56.Kd1 c4 57.Kc2 ½–½. Latka,Tadeusz – Kosztyla,Andrzej (1680), Mistrzostwa KKSz Seniorow Krakow Poland, 2010.

8.d4 ed4 9.ed4 d5 10.c5 c6 11.Nbd2 Re8 12.Re1 Nf8 13.Ne5 Be2 14.Qe2 Ng6 15.Qf3 Qc7 16.g3 Rad8 17.a4 Bf8 18.Re2 Re7 19.Rae1 Rde8 20.Qd3 Ne5 21.de5 Nd7 22.f4 a5 23.Ba3 (23.Qd4!?=) 23...ab4–/+ 24.Bb4 Re6 (24...b6!?–/+) 25.Qd4 f6 26.Nf3 fe5 27.Ne5 Ne5 28.Re5 Re5 29.Re5 Re5 30.fe5 (worse is 30.Qe5 Qe5 31.fe5 Kf7–/+) 30...Qe7 31.Kg2 g6 32.Qe3 Qe6 33.Qd4 Bg7 34.Bc3 ½–½. Shorokhov,Mikhail (2105) – Grigorian,Andrei, Anapa op, 2009.

8.d4 ed4 9.Nd4 Be2 10.Qe2 Ne5 11.Nc3 c6 12.Rad1 Qc8 13.e4 Re8 14.Nf5 Qc7 15.f4 Ng6 16.Na4 Rad8 17.Qf3 Bf8 18.Bf6+/– gf6 19.Kh1 Re6 20.Nc3+– Rde8 21.a3 d5? 22.cd5 cd5 23.Nd5 Qc6 24.Nd4 Qc4 25.Ne6 Re6 26.f5 (26.f5 Rc6 27.fg6 hg6 28.Nf6 Rf6 29.Qf6+–) 1–0. MrkT – fhbchess, internet, 2005.

8.d4 ed4 9.Nd4 Be2 10.Qe2 h6 11.Nf5+= Ne5 12.Rd1+/– Ng6 13.Qf3 Rb8 14.Bd4 b6 15.Nc3 Re8 16.a4 a6 17.e4 Qc8 18.b5 a5 19.Rac1 Kh7 20.Nd5 Bd8?? 21.Bf6 Bf6 22.Nf6 gf6 23.Qh5 (23…Qf5 24.ef5+–) 1–0. mrkt – Tuatara, ChessWorld.net, 2004.

8.d4 e4 9.Nfd2 Be2 10.Qe2 c6 11.Nc3 d5 12.a3 b6 13.f3 c5 14.bc5 bc5 15.cd5 cd4 16.ed4 ef3 17.Nf3 Bd6 18.a4 Re8 19.Qd2 Bb4 20.Qg5 Bc3 21.Bc3 Ne4 22.Qd8+= Rad8 23.Bb4 Ndf6 24.Ne5 Rd5 25.Nc6 Rd7 26.Rf5 Nd5 27.Re5 Re5 28.Ne5 Rb7 29.Rc1 h6 30.Be1 Nf4 31.Kf1 f6 32.Nf3 Rb2 33.Rc8 Kh7 34.g3 Nd5=+ 35.Re8 Ne3 36.Kg1 f5 37.Nh4 Rb1 38.Nf3 Rb2 39.Nh4–/+ Re2 40.Ba5 Ra2 41.Nf5?? Ra1 (41...Ra1 42.Be1 Re1#; 41...Nf5?! 42.Re4 Ra4 43.Bc3=) 0–1. Dopper,Johan – Van der Westen,J, 1990.

8.d4 e4 9.Nfd2 Be2 10.Qe2 c6 11.Nc3 d5 12.b5 a6 13.a4 ab5 14.ab5 Qc7 15.Rfc1 Bb4 16.cd5 Bc3 17.Bc3 cd5 18.Nb3 Ra1 19.Ba1 Qb8 20.Bb2 Nb6 21.Ba3 Re8 22.Bb4 Nc4 23.Na5 Na5 24.Ba5 b6 25.Bb4 g6 26.Qc2 Kg7 27.g3 h5 28.Qc7 Qc7 29.Rc7 Re6 30.Be7 Ng8 31.Bg5 Nf6 32.Bf6 Kf6 33.Rd7 Kg5 34.Rf7 Rd6 35.h4 Kh6 36.Rc7 1–0. Lippmann,Ulrich (2075) – Leutz,Hans (1845), EU–ch Seniors, 2005.

8.d4 e4 9.Nfd2 Be2 10.Qe2 c6 11.d5 cd5=+ 12.cd5 Nd5 13.Ne4 N7f6 14.Nf6 Bf6 15.Qd2 Qb6 16.Bf6 Nf6 17.a3 Rac8 18.Nc3 a5 19.Rfb1 ab4 20.Rb4 Qc6 21.Rb3 Rfd8 22.Rab1 h6 23.h3 Rd7 24.Nb5 Qe4 25.Nd4 Nd5 26.Rb7?? Rb7–+ 27.Rb7 Ne3 28.fe3 Qb7 29.Kh2 Qe4 30.Nf3 d5 31.Qd4 Qd4 32.Nd4 Rc3 33.Nb5 Re3 34.a4 Rb3 0–1. de Vries,H – van der Brink,Geurt, 2001.

7.h3 Bh5

8.0–0 0–0 9.d4 e4 10.Nfd2 Be2 11.Qe2 c6 12.Nc3 d5 13.c5 b5 14.cb6 ab6 15.a3 b5 16.Nb3 Qc7 17.Rac1= Qb6 18.Qc2 Rfc8 19.Na5 Nb8 20.Ne2 c5?? 21.dc5+/– Bc5?? 22.Nb3+– Nbd7 23.Nc5 Qa7 24.Nd4 Rab8 25.Qe2 Qb6 26.Nd7 Nd7 27.Rc8 Rc8 28.Qb5 Qb5 29.Nb5 Rc2 30.Bc3 Nb6 31.Rd1 f6 32.Rd2 Rc1 33.Kh2 Kf7 34.Bb2 Rb1 35.Nc3 Re1 36.Nd5 Nc4 37.Rc2 Nd6 38.Rc7 Kg6 39.Nf4 Kh6 40.g4 g5 41.Nh5 Re2 42.Bf6 Rf2 43.Kg1 Rd2 44.Bg7 Kg6 45.Rc6 Kf7 46.Bd4 Nb5 47.Rf6 Ke7 48.Bc5 Kd7 49.Ra6 Nc3 50.Nf6 Kc7 51.Ra7 Kc6 52.Rh7 Ne2?? 53.Kf1+– Nc3 54.Bd4 Rd1= 55.Kf2 Rd2 56.Kg3 Ne2 57.Kf2 Nd4 58.Ke1 Nb3?? 59.Ne4+– Ra2 60.Rh6 Kc7 61.Ng5 Ra3 62.Ne6 Kd7 63.Nc5 Nc5 64.bc5 Re3 65.Kf2 Rc3 66.c6 Kc7 67.h4 Kd8 68.Rf6 Ke7 69.Rh6 Kf8?? 70.g5+– Kg7 71.Rd6 Rh3 72.c7 Rc3 73.Ke2 (73.Ke2 Rc7 74.h5+–; better is 73.Rd7 Kg6+–) 1–0. Rohrbacher,Walter – Hein,Gernot, Baden–ch Sen, 2002.

8.0–0= e4 9.Nd4 Be2 10.Qe2 =+.

8.0–0= h6 9.Nh4 Nf8 10.Bh5 Nh5 11.Qh5 Bh4 12.f4 g6 13.Qf3 b6? 14.fe5+– Rg8?? 15.Qf7# 1–0. Dopper,Johan – de Jonge,Adrie, 1994.

8.Nc3 c6 9.a3 0–0 10.d3 Nb6 11.0–0 d5? (11...Re8 12.g4 Bg6 13.Nh4+=) 12.cd5 (12.Ne5 Be2 13.Ne2 Re8+/–) 12...Nbd5 (better is 12...Bf3!? 13.Bf3 cd5=) 13.Nd5 Qd5 14.Ne5 Be2 15.Qe2 Bd6 16.Nf3 Rfe8 17.Rfd1 (17.Bf6 gf6 18.Rfb1 f5+–) 17...Bb8 (17...Qf5 18.Qc2+/–) 18.Qc2 (18.Bf6 gf6 19.Qb2 Be5+–) 18...Qd6 19.e4 Nh5 20.e5 Qc7 21.d4 Nf4 22.Qe4 Nd5 23.Rac1 f6 24.Qf5 a5 25.b5! a4 (25...cb5 26.Rc5 Double attack (26.Rc7 Pinning; 26.Rc7 Deflection; 26.Rc5 Decoy)) 26.bc6 bc6 27.Rc2 (27.ef6!? gf6 28.Re1 Re1 29.Re1 Ba7+–) 27...Ra6+/– 28.Rdc1 Ne7?? (better is 28...Rb6+/–) 29.Qe6+– Kh8 (29...Kf8 30.ef6 Nc8 31.fg7 Qg7+–) 30.ef6 Ng6 (30...Qd6 31.Qf7 gf6 32.Qe8 Kg7+–) 31.fg7 (31.Qe8 Nf8 32.Qf8) 31...Kg7+– 32.Qe8 Nf4 (32...Ra8+–) 33.d5 (33.d5 Qe5 34.Qe7 Kh6 35.Be5 Nh3 36.gh3 Kg6 37.Qf6 Kh5 38.Qg5) 1–0. Fournier,Frederic (1740) – Benoit16, Active (2/1) ajedrez21.com, 2005.

8.d3 0–0 9.0–0 c6 10.Nbd2 b6 11.a4 Re8 (11...c5!?=) 12.g4+/– Ng4 13.hg4 Bg4 14.Ne1 Be2 15.Qe2 Bh4 16.Ng2 Qg5 (better is 16...Bf6!?+/–) 17.Qf3+– Re6? (17...Qd8 18.Qc6 Be7+–) 18.Qc6 Rf8 (18...Rd8 19.Nf3 Qg6 20.Nfh4 Qd3 21.Qc7+–) 19.Qd7 Rg6 20.Qh3 f5 (20...Qe7 21.a5+–) 21.Nf3 Qh5 (21...Qg2 22.Qg2 Rg2 23.Kg2+–) 22.Nfh4 Rg4 (22...Rh6 23.f4 Qe2 24.fe5+–) 23.f3 (23.f3 Rg6 24.a5+–) 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

8.g4 Bg6=+ 9.Nh4 0–0 10.Ng6 fg6 11.Qb3 Kh8 12.Nc3= c6 13.0–0–0 c5 14.b5 a6 15.a4 Nb6 16.a5= Nbd7 17.b6 Nb8 18.Bf3 Qd7 19.Qa4 Qa4 20.Na4+– e4 21.Bf6 Rf6 22.Be4 Nc6 23.Bc6 bc6 24.Nc3 Rf2 25.Rhf1 Rf1 26.Rf1 Kg8 27.Kc2 Bf6 28.Ne4 Be5 29.Ng5 Rf8? 30.Rf8 Kf8 31.Nf3 Bg3 32.e4 Ke7 33.b7 d5 34.e5 (34.ed5?! Bc7 35.d4 cd5 36.dc5 dc4+–) 1–0. Jahnke,Bernd (1790) – Muhmann,Reinhard, Muensterland Verbandsklasse–B, 2004.

6.Be2 e4

7.Nd4 Be2

8.Qe2 0–0 9.0–0 Nbd7 10.f3 ef3 11.Rf3 Ne5 12.Rh3 Qd7 13.Nc3 c5 14.bc5 dc5=+ 15.Nf3 Nd3 16.Rb1 Rfe8 17.Ba1 Bd8 18.Qf1 Nb4 19.a3 Na6 20.Qd1 h6 21.Qc2 b6 22.Nh4 Bc7 23.Rf1 Re6 24.Nd5 Nd5= 25.cd5 Qd5 26.Nf5 Be5 27.e4 Qd7 28.Be5 Re5 29.Rd3 Qe6 30.Qc3 Nc7 31.Rg3+/– Ne8 32.Nh6 Qh6 33.Qe5 Qd2 34.Qh5 Qd4 35.Kh1 Qc4 36.Re1 Nf6 37.Qg5 Ne8 38.Rh3 Nf6 39.Qh4+– Kf8 40.Qh8 Ng8 41.Rg3 g6 42.Rh3 Rd8+/– 43.Rh7 Ke7 44.Qe5 Qe6 45.Qc7 Qd7+/– 46.Qf4 Nf6 47.Rf1 Qd4 48.Rh4 Ke6 49.Qc7 Rd7 50.Qc8 Ke7 51.Rhf4 Rd8 52.Qc7 Rd7 53.Qb8 Rd6 54.h3 Re6? 55.e5 Qe5 56.Qe5 (56.Qe5 Re5 57.Rf6+–) 1–0. pcmvr (2825) – jjones (2695), net–chess.com, 2007.

8.Qe2 0–0 9.f3 d5 10.cd5 Bb4 11.Qb5 Na6 12.a3 Bc5 13.fe4 Ne4 14.Nf5 Nd6 15.Nd6 Qd6 16.Nc3 f5 17.0–0 f4 18.Rfe1 fe3 19.de3 Rae8 20.Qd3 Qf6 21.Qd2 Qg5 22.Bc1 Rf3 23.Nd1 Rf5 24.Qb2 Bd6–+ 25.Qe2?? Qh4 26.g4 Bh2! 27.Kg2 Re4 28.Nf2 Qg3 29.Kh1 Rf2 30.Qf2 Qf2 31.Ra2 Qe1 32.Kg2 Rg4 33.Kf3 Rg3 34.Ke4 Nc5 35.Kf5 Qf1 36.Rf2 Qf2 37.Ke5 Qf6# 0–1. COMP – COMP, 2002.

8.Qe2 Na6 9.a3 0–0 10.f3 c5 11.Nf5 cb4 12.0–0 ba3 13.Na3+= Nc5 14.fe4+/– Nce4 15.d3 Nc5 16.Ne7 Qe7 17.Bf6 gf6 18.Nb5 Rfe8 19.e4 a6 20.Nd4 Qe5 21.Nf5 Kh8 22.Rab1 a5 23.d4 Qe4 24.Qd2 Qg4 25.dc5 dc5 26.Qc3 Re6 27.Rb7 Rg8 28.g3 Ra8 29.Rf7 Qg6 30.Rg7 Qe8 31.Qf3 Rb6 32.Qg4 Qf8 33.Rd1 Re8 34.Qh5 Qg7 35.Qe8 Qg8 36.Rd8 Rb1 37.Kg2 Rb2 38.Kh3 Rh2 39.Kh2 Qe8 40.Re8# 1–0. COMP – COMP, 2002.

8.Qe2 c5 9.Nf5 0–0 10.b5 Nbd7 11.0–0 Ne5= 12.Be5 de5 13.Nc3 g6 14.Ng3 Kg7 15.Nge4+/– Ne4 16.Ne4 f5 17.Nc3 a6 18.a4 ab5 19.ab5 Bf6 20.Nd5 Re8? 21.Ra8+– Qa8 22.Nc7 Qd8 23.Ne8 Qe8 24.Qd3 e4 25.Qd5 b6 26.Qc6 Qd8 27.Rd1 f4 28.Qe4 fe3 29.fe3 Bg5 30.Qd5 Qf8 31.Rf1 Qe7 32.e4 Bd2 33.Qd2 Qe4 34.Qf4 Qc2 35.Qf8 1–0. casouza (2220) – beaumont (2355), net–chess.com, 2006.

8.Qe2 d5 9.f3 Bb4 10.cd5 Qd5 11.Qb5 Qb5 12.Nb5 Na6 13.Bf6 gf6 14.fe4 c6 15.N5c3 Rd8 16.a3 Ba5 17.Ke2 h5 18.d4 Rg8 19.g3 h4 20.gh4 Rh8 21.Ra2 Rh4 22.Rb2 b5 23.Kf1 Rh3 24.Nd1 Ke7 25.Nd2 Bd2 26.Rd2 Nc5 27.Rc2 Ne4 28.Kg2 Rh5 29.Rc6 Rg8 30.Kf3 Ng3 31.Rc7 Ke6 32.hg3 Rh1 33.Nc3 Rg1 34.Ra7 R8g3 35.Ke2 f5 36.d5 Kf6 37.d6 R3g2 38.Kd3 Rb2 39.d7 Ke7 40.Nd5 Kd8 41.Kc3 Re2 42.Kb4= Rd2 43.Nb6 Rg6 44.Rb7 Re6 45.Kb5 Re3 46.Rb8 Kc7 47.Rc8 Kb7 48.d8N Rd8 49.Rd8 Rb3 50.Ka4 Rb6 51.Rd7 Kc8 52.Rf7 Ra6 53.Kb4 Rb6 54.Ka5 Rb3 55.a4 Rf3 56.Kb5 f4 57.a5 Kb8 58.Kc5 Rf1 59.a6 f3 60.Kd4 Ra1 61.Rf3 Ka7 62.Rf6 Ra6 63.Rf1 Rg6 64.Rb1 Ka6 65.Kd5 Ka5 66.Rb8 Rg1 67.Ke5 Rd1 68.Ke4 Rd6 69.Rb1 Ka4 70.Ke3 Rd7 71.Rb8 Rd5 72.Rb7 Rd8 73.Ke4 Rd1 74.Rb8 Ka5 75.Ke3 Ka4 76.Ke2 Rd7 77.Ke1 Rd6 78.Rb7 Rd8 79.Ke2 Ka5 80.Kf3 Re8 81.Kf4 Re1 82.Rb8 Re6 83.Kf5 Re2 84.Rc8 Kb4 85.Rc1 Kb5 86.Rc7 Kb6 87.Rc8 Re1 88.Kg5 Rf1 89.Kg4 Kb5 90.Rd8 Kc4 91.Kg5 Kc5 92.Kg6 Kc6 93.Kh5 Rg1 94.Kh4 Kc5 95.Re8 Kd4 96.Kh5 Kd5 97.Rd8 Ke5 98.Re8 Kf5 99.Kh4 Rg2 100.Kh3 Rg5 101.Rf8 Ke6 102.Kh4 Rg2 103.Rd8 Kf5 104.Kh3 Rg1 105.Kh2 Rg7 106.Re8 Kf4 107.Kh3 Rg1 108.Rf8 Ke4 109.Re8 Kf3 110.Kh4 Rh1 111.Kg5 Rh2 112.Kf5 Rh5 ½–½. COMP – COMP, 2002.

8.Qe2 d5 9.Nf5 0–0 10.cd5 Bb4 11.Qb5 Qd5 12.Qb4 Qf5=+ 13.Qb7 Nbd7 14.Qc7 Rfc8–/+ 15.Qd6 Qb5 16.Bc3 Rc6 17.Na3 Qa6 18.Qb4 Rb8 19.Qa5 Qa5 20.Ba5 Ra6 21.Bc7 Rb7 22.Rc1 Ne8 23.Nb1 Nc7 24.Nc3 f5 25.f3 Ne5 26.0–0 ef3 27.gf3 Nd3 28.Rc2 Nd5 29.Rb1 Rc7 30.e4 fe4 31.fe4 Rg6 32.Kf1 Rf7 33.Ke2 N3f4 34.Kf3 Nb4! 35.Rb4 Nd5 36.Ke2 Rg2 37.Ke1 Nb4 38.Rc1 0–1. COMP – COMP, 2002.

8.Qe2 Nbd7 9.f3= ef3 10.Nf3 0–0 11.0–0 d5 12.cd5 Nd5 13.a3 c5 14.e4 N5f6 15.e5 Nd5 16.Qe4 Nc7 17.d4 b6 18.bc5 bc5 19.d5 Rb8 20.Ra2 Bg5 21.Bc1 Bc1= 22.Rc1 Re8 23.d6 Nb5 24.Rd1 Rb6 25.Rad2 Nd4 26.Nd4 cd4 27.Qd4 Ne5 28.Qa4 a6 29.d7 Re7 30.Nc3 Rb7 31.Qa5 Rb8 32.Qa6 Rd7 33.Rd7 Nd7 34.Qa7 Qb6 35.Qb6 Nb6 36.Rb1 Nd7 37.Rb8 Nb8 38.Nd5 h5 39.Nb4 h4 40.a4+/– g5 41.a5 g4 42.a6+– Na6 43.Na6 Kg7 44.Kf2 f5 45.g3 h3 46.Ke3 Kf6 47.Kf4 Ke6 48.Nb4 Kd6 49.Kf5 Kc5 50.Nc2 Kc4 51.Kg4 Kd3 52.Kh3 Ke4 53.Kg4 Ke5 54.h4 Kf6 55.h5 Kg7 1–0. COMP – COMP, 2002.

6.Be2 Bf3

7.Bf3 0–0?? 8.Bb7+– Nc6?? (8...Nbd7 9.Ba8 Qa8 10.0–0+–) 9.Ba8 (better is 9.Bc6 Rb8 10.b5+–) 9...Qa8 10.b5 (10.a3 Qb7+–) 10...Nb4 (better is 10...Na5 11.c5 Qg2=) 11.Qb3?? (better is 11.0–0 Nd3 12.Qc2+–) 11...Na2?? (11...Qg2 12.Rf1 Ng4–+) 12.Ra2 Qg2 13.Rf1 Qh2? 14.Nc3 Ng4 15.Ne4 Qh4? 16.d3 Nh2 17.Rh1?? Qh3?? 18.Qd1 Qg2 19.Kd2 Nf3?! 20.Kc3 c6 21.bc6 Rb8 22.Ra7 f5 23.Re7 fe4 24.Rb7 Rc8 25.c7 Qf2 26.Rb8 Rb8 27.cb8Q Kf7 28.Rf1 Qe3 29.Qd6 1–0. Fournier,Frederic (1790) – CHICOVERA (1625), Active (5/0), 2004.

7.Bf3 c6 8.0–0 0–0 9.Qc2 Re8 10.d4 e4 11.Be4 Ne4 12.Qe4 Bf6 13.Qf3 c5 14.Qb7 Nd7 15.Nd2 cd4 16.Bd4 Bd4 17.ed4 Rb8 18.Qa7 Rb4 19.Qa3 Qb8 20.Rae1 Re1 21.Re1 Nf6 22.Qe3 Rb7 23.Ne4 Ne4 24.Qe4 g6 25.h3 Kf8 26.c5 dc5 27.dc5 Rc7 28.Qe5 Kg8 29.Rd1 Qc8 30.Qf6 Rd7 31.Rd7 Qd7 32.Qd6 Qa7 33.c6 Qa2 34.c7 Qa1 35.Kh2 Qc1 36.Qd8 Kg7 37.c8Q Qf4 38.Kg1 (38...Kh6 39.Qc5 Qf6 40.Qdf8 Qg7 41.Qe3 g5 42.Qb6 f6 43.Qbf6 Kh5 44.g4 Kh4 45.Qh6 Qh6 46.Qh6#) 1–0. trkn – samone, ICC, 2004.

6.h3 Bd7

7.Nc3 0–0 8.b5 a6 9.Qa4 Bf5 10.g4 Bg6 11.c5 Nbd7 12.cd6 Bd6 13.ba6 Nc5 14.Qc4 ba6 15.Ba3 Nce4–/+ 16.Bc1 Nc3 17.Qc3 Re8 18.Be2 e4–+ 19.Nd4 c5 20.Nb3 Be5 21.Qc5 Ba1 22.Na1 Rc8 23.Qa3 Re6 24.Nb3 Rec6 25.Bb2 Nd5 26.h4 h6 27.Nd4 Rb6–+ 28.h5 Bh7 29.Rg1 Rcb8 30.Nb3 Nb4 31.Kf1 Na2! 32.Qa2 Rb3 33.Be5 Rb1 34.Kg2 Rg1 35.Kg1 Ra8 36.Bc3 Qd7 37.f4 a5! 38.Qa1 f6 39.g5 fg5 40.fg5 Bf5 41.gh6 gh6 42.Bc4 Kh7 43.Qf1 Rc8 44.Bb3 Rb8 45.Bc4 a4 46.Qf4 Re8 47.Qg3 Bg4 48.Kh2 Rc8 49.Bb5 Qf5 50.Qh4 Qg5 51.Qg5 hg5 52.Kg3? a3 53.Kg4 Rc3! 54.dc3 a2 55.Kg5 a1Q 56.Bd7 Qc3 57.Bf5 Kg7 58.h6 Kf7 59.Kf4 Kf6 60.Be4 Qe5 61.Kf3 Qh5 62.Kf2 Qh4 63.Kf3 Qh1 64.Kf4 Qh6 65.Kf3 Qh1 66.Kf4 Qh2 67.Kf3 Ke5 68.Bd3 Qg1 69.Bc4 Qd1 70.Kg3 Ke4 71.Kh4 Ke3 72.Kg5 Qd8 73.Kf5 Qf8 74.Ke5 Qf4 75.Kd5 0–1. COMP – COMP, 2002.

7.Nc3 a5 8.b5 c5 9.Qc2 Be6 10.Be2 Nbd7 11.d4 cd4= 12.ed4 ed4 13.Nd4 Nc5 14.Nf5 0–0 15.Ne3 d5? 16.Ncd5 Nd5 17.Nd5 Bd5= 18.cd5 Qd5 19.0–0 Rad8 20.Rfd1 Qe4 21.Qc3 Rd1 22.Rd1= Bf6 23.Qd2 Bb2 24.Qb2 h6 25.Bf3+= Qg6 26.Qe5 Qb6 27.Qe2 Rc8+= 28.Qc4 Rc7 29.Rd8 Kh7 30.Qc2 g6 31.Qb2 f6 32.Qd4 Qe6 33.Rh8! Kg7?? 34.Qd8+– Qf7 35.Bd5 (35.Bd5 Ne6 36.Be6 Rc1 37.Kh2 Qc7 38.Qc7 Rc7 39.Rg8 Kh7 40.Rb8+–) 1–0. Gross – Maurer, corr private, 1986.

7.d4 e4 8.Nfd2 c6 9.Nc3 d5 10.cd5 cd5 11.Qb3 Be6 12.Bb5 Nc6 13.a3 a6 14.Bc6 bc6 15.0–0 0–0 16.Qa4 Qc7 17.Rac1 Rfb8 18.Ne2 Bd7 19.Bc3 Bd6 20.f4 ef3 21.Rf3 Ne4 22.Ne4= de4 23.Rf2 c5 24.Qd1 c4 25.d5 Rd8 26.Qd4+/– f6 27.Qe4 Re8 28.Qf3 Be5 29.Be5 Qe5 30.Rc4 Qa1 31.Kh2 Qa3 32.e4 Qf3 33.gf3 Bb5 34.Rc7 Rec8 35.Rc8 Rc8 36.Nd4 Rc4 37.Nb5 ab5 38.Rd2 Kf8 39.Kg3 Rb4+= 40.d6 Ke8= 41.d7 Kd8 42.Kf4 Rc4 43.Kf5 Rc6 44.Rd5 Rb6–/+ 45.f4 b4 46.e5 g6 47.Ke4 b3 48.ef6 b2 49.Rd1 Rf6 50.Rb1 Rb6 51.Kd3 Kd7 52.Kc3 Ke6 53.Rb2 Rb2 54.Kb2 Kf5 55.Kc3 Kf4 56.h4 Kg4 57.Kd4 Kh4 0–1. marekt – pentamorion, GameColony.com, 2002.

6.h3 Bf3

7.Qf3= c6 8.Nc3 0–0 9.Be2 d5 10.b5 e4 11.Qf5 dc4 12.Ne4 Ne4 13.Qe4 Bf6 14.bc6 Nc6= 15.Bf6 Qf6 16.Rb1 c3 17.0–0 cd2 18.Rb7 Rab8 19.Rc7 Rfc8 20.Rc8+/– Rc8 21.Rd1 Qc3 22.Qd3 Qf6 23.Rd2 h6 24.Rc2 Rb8 25.Rc1 Nb4 26.Qa3 a6 27.Bc4 Qd6 28.Qa5 Qd2 29.Rb1 Qd6 30.a3 Nc6 31.Rb8 Nb8 32.Qa4 Kf8 33.Qb3 f6 34.Qb7 Nd7 35.Qc8 Ke7 36.Qa6 Qe5 37.Qa8 Qa1 38.Bf1 Nc5 39.Qa7 Nd7 40.a4 Qb1 41.a5 Qc1 42.Qb7 Kd6 43.a6 Qc6 44.Qb4 Qc5 45.Qc5 Kc5 46.a7 Nb6 47.g3 Kd6 48.Bg2 g5 49.f4 Ke6 50.fg5 fg5 51.Kf2 h5 52.h4 gh4 53.gh4 Kf5 54.Bf3 Kg6 55.Ke2 Kh6 56.Kd3 Kg6 57.Kd4 Kg7 58.Kc5 Nd7 59.Kb5 Nf6 1–0. COMP – COMP, 2002.

7.Qf3= c6 8.Bd3 d5 9.Be5+/– dc4 10.Bf6 Bf6+= 11.Bc4 Nd7 12.Nc3 Qe7 13.a3 0–0–0 14.Qf5 Kb8 15.Qf4 Be5 16.Qf7 Qd6 17.Ne4+– Qg6?! 18.Qg6 hg6 19.0–0–0 Nf8 20.f4 b5 21.fe5 bc4 22.Nd6 Rd7 23.Rhf1 Nh7 24.Rf7 Kc7 25.Rd7 Kd7 26.Nc4 Re8 27.Rf1 Ng5 28.h4 Ne6 29.Rf7 Re7 30.Re7 Ke7 31.Na5 Kd7 32.Nb7 a6 33.Nc5 Nc5 34.bc5 Ke6 35.d4 Kd7 36.Kd2 Ke6 ½–½. Massoni,Luigi – Lafargue,Philippe, Trio–778.5, 1999.

7.Qf3= c6 8.Bd3 Nbd7!?= 9.Nc3 Nb6 10.Be2 0–0 11.a3 d5 12.cd5 =.

7.Qf3= e4 8.Qf4 0–0 9.Nc3 d5 10.cd5 Nd5 11.Qe4 Nb4 12.a3 N4c6 13.Nd5 Re8 14.Bd3 g6 15.Bf6 Nd7= 16.Ne7 Ne7 17.Bd4 Nc6–/+ 18.Qf4 Nd4 19.Qd4=+ Ne5 20.Qd8 Rad8 21.Be2 Nd3 22.Bd3 Rd3 23.Ke2 Red8 24.Ra2 c5 25.Rc1 b6 26.Rc3 R3d5 27.d3 Kg7 28.a4 Kf6 29.f4 g5 30.e4 Rd4 31.fg5 Kg5 32.a5 f5 33.ef5 Kf5 34.Raa3 Kf4 35.Kf2 Ke5 36.ab6 ab6 37.g4 Rf4 38.Kg3 Rdf8 39.Rcb3 Rf3 40.Kg2 R3f6 41.Ra7 h5 42.Re7 Kd5 43.gh5 Rh8 44.Rb7 Rg8 45.Kh1 Rf1 46.Kh2 Rf2 47.Kh1 Rfg2 48.Rb1 R8g3 49.Rd7 Kc6=+ 50.Rf7 Ra2 51.Rf6 Kd5 52.h4 Rd3 53.Rfb6 Rd4 54.h6 Rh4 55.Kg1 Rhh2 56.Rd1= Ke4 57.Re1 Kf4 58.Rg6 c4=+ 59.Rf1 Ke4 60.Rg4 Ke3 61.Ra1 Rhg2 62.Rg2 Ra1 63.Kh2 Ra8 64.h7 Rh8 65.Rg7 c3 66.Re7 Kf4 67.Rc7 c2 68.Rc4 Kf3 69.Rc2 Rh7 70.Kg1 Rb7 71.Rc8 Rb2 72.Rf8 Kg3 73.Kf1 Ra2 74.Ke1 Rh2 75.Rb8 Kf4 76.Ra8 Rg2 77.Ra4 Ke3 78.Ra3 Ke4 79.Ra4 Kd3 80.Ra3 Kd4 81.Ra4 Kc3 82.Rh4 Kd3 83.Rh3 Ke4 84.Rh4 Ke3 85.Rh3 Kf4 86.Ra3 Rb2 87.Ra4 Ke3 88.Ra3 Ke4 89.Ra4 Kd3 90.Ra3 Kd4 91.Ra4 Ke5 92.Ra5 Ke6 93.Ra6 Kd5 94.Ra5 Kc4 95.Rh5 Ra2 96.Rh4 Kd3 97.Kf1 Ke3 98.Kg1 Ra8 99.Kg2 Rg8 100.Kh3 Rg1 101.Ra4 Kf3 102.Kh4 Rg2 103.Rc4 Rd2 104.Rb4 Rd3 105.Rc4 Rb3 106.Kg5 Rb5 107.Kf6 Ke3 108.Rh4 Kf3 109.Ke6 Rc5 110.Rb4 Ra5 111.Rc4 Ke3 112.Rh4 Rg5 113.Kd6 Kd3 114.Rf4 Rh5 115.Ra4 Ke3 116.Ra3 Ke4 117.Ra4 Kd3 118.Rb4 Ra5 119.Ke6 Rg5 ½–½. COMP – COMP, 2002.

6.h3 Bh5

7.Be2 0–0 8.0–0 Nbd7 9.d3 c6 10.Nbd2 Ne8 11.d4 Qc7 Ne5 13.Ne5 de5 14.c5 Bf6 15.Nc4 Qe7 16.Qa4+= 0.41) 12.Qb3 (12.e4 a5 13.a3 ab4 14.ab4 Nef6 15.Qb3 ed4 16.Bd4+= 0.31/8) 12...Kh8 (12...Nef6 13.e4 ed4 14.Bd4 Bg6 15.Bd3 c5 16.bc5= 0.06/9) 13.Rfe1 (13.e4 ed4 14.Bd4 Bf6 15.Qd3 Bd4 16.Nd4= 0.16/8) 13...Rd8 (13...f5 14.de5 de5 15.Ne5 Be2 16.Nd7+= 0.50/9) 14.a4 f5 15.Ne5 Be2 16.Nd7 Bc4 17.Nc4 Qd7 18.b5 f4 19.ef4+= Rf4 20.a5 Bh4?? 21.g3+/– Qh3 22.Qe3 Rf8 23.gh4 Qh4 24.Qg3 Qh5? 25.Ra3?? d5 26.Ne5+/– Nd6? 27.Qg4?? Qg4= 28.Ng4 Nc4 29.Ra2 Nd2 30.Ne5 Rf5? 31.Ba3?? Rg5?? 32.Kh2?? Rh5?? 33.Kg2+– Rg5 34.Kh3 (34.Kh3 Re5 35.de5+–) 1–0. Dzieniszewski,Andrzej – Palosz, Gizycko, 1985.

7.Be2 a6 8.Nc3 Nc6 9.a3 0–0 10.0–0 d5 (10...Re8!?=) 11.cd5+/– Nd5 12.Nd5 Qd5 13.Ne5 Ne5 14.Bh5 f5 15.d4 Nc4 16.Qb3 b5? (better is 16...c6!?+/–) 17.Bf3+– Qd6 18.Ba8 Ra8 19.Bc3 Rf8 20.a4 Kh8 21.ab5 ab5 22.Ra7 Bh4 23.Rfa1 h6 24.R1a6 Qd7 25.Qd1 f4 26.Qf3 Nd6 27.Ra8 Qe7 (27...Ra8 28.Ra8 Kh7 29.Qf4+–) 28.Rf8 Qf8 29.Ra8 Ne8 (29...Bd8+–) 30.Qc6 (better is 30.Qe4!? Be7 31.Qc6 Nd6 32.Rf8 Bf8+–) 30...Qf5 31.Qe8 Kh7 1–0. Fournier,Frederic (2170) – tomasrawlins (1835), Active, 2002.

7.Be2 Nbd7 8.d3 a5 =.

7.Be2 Nbd7 8.d4 ed4 9.ed4 0–0 10.Nc3 Re8 11.0–0= Bf8 12.Qc2 Bg6 13.Bd3 Bd3 14.Qd3 c6 15.a4 Qb6 16.b5 a5 17.Kh1 Rad8 18.Nh4 d5= 19.c5 Qc7 20.b6 Qf4 21.g3 Qh6 22.Bc1 g5 23.Qf5+/– Qg7 24.Bg5 h6 25.Be3 Qh7 26.Rae1 Ne4 27.Ne4+– Re4 28.Qh7 Kh7 29.f3 Re6 30.Bd2 Rde8 31.Ba5 Bg7 32.Nf5 Bf8 33.Bc3+– Kg6 34.Nh4 Kh5 35.Ng2 Re1 36.Re1 Re1 37.Be1 Kg5 38.Bd2 Kf6 39.Ne3 h5 40.Nc2 Ke6 41.a5 Nb8 42.Nb4 Bg7 43.Be3 Kd7 44.Kg2 Kc8 45.Kf1 Nd7 46.Ke2 Nb8 47.Kd3 Kd7 48.Bf4 (48…Kc8 49.g4+–) 1–0. Bigalke,Andre (2095) – Harms,Peter, Wichern op 6th, 2001.

7.Be2 Nbd7 8.d4 e4=+ 9.Nfd2 Be2 10.Qe2 d5 11.a3 c6 12.Nc3 0–0 13.0–0 Bd6 14.f4 Bc7 15.g4 h6 16.Rf2 Nb6 17.a4 a5 18.b5 Nh7 19.c5= Nd7 20.b6 Bb8 21.Kh1 Qh4 22.Rh2 g5 23.Rf1 gf4 24.ef4 Qg3 25.Rg2 Qh3 26.Rh2 Qg3 27.Nce4 de4–/+ 28.Ne4 Qb3 29.Rh6 Qd5 30.Rh5=+ f5 31.gf5 Ndf6 32.Qg2 Kh8 33.Nf6= Rf6 34.Kg1 Rf5? 35.Rf5 Qf5 36.d5 Nf6 37.Qg5 (37.Qg5 Qg5 38.fg5 cd5 39.gf6+–) 1–0. Lukovski,Lev (2075) – Birnkott,Manfred, Leverkusen–ch op, 2000.

7.Be2 e4 8.g4 ef3 9.Bf3 =+.

7.Be2 Bf3 8.Bf3 c6 9.0–0 0–0 10.d4 e4 11.Be2 d5 12.cd5 cd5 13.a3 Nbd7 14.Nc3 h6 15.Qb3 Nb6 16.Rfc1 Rc8 17.Rc2 Nc4 18.Nd5!+/– Nb2? 19.Rc8+– Qd5 20.Rf8 Bf8 21.Qb2 Nh5 22.Qc2 g6 23.Bh5 gh5 24.Qc8 Kg7 25.Qc2 Be7?? 26.Rd1 Bh4 27.Qc5 Qb3 28.Qh5 Bg5 29.Ra1 Qb2 30.Qd1 Bh4 31.Qg4 Bg5 32.Rf1 Qa3 33.h4 1–0. Bonetti,Shane – heusen, ICC, 2002.

7.g4 Bg6 8.Qa4 Nbd7 9.Nc3 0–0 10.Qa5 Ne4 11.Nd5 Bh4 12.Rh2 Bf2 13.Rf2= Nf2 14.Kf2 e4 15.Nd4+= b6 16.Qa6 Ne5 17.Qb7 c5 18.Nf5 cb4 19.Nfe7 Kh8 20.Kg3 Qe8 21.Be5 de5 22.Bg2 f6 23.Rb1 f5 24.Rf1+/– Qa4 25.gf5 Bf7 26.f6 g6 27.Nc6 Rae8 28.Nc7 Rc8 29.Ne5 Kg8 30.Nd5 Rce8 31.Ng4 Kh8 32.Nh6 a6 33.Nf7 Rf7 34.Qf7 Rg8 (34...Qd7 35.Qd7 Rg8 36.Ne7 h5 37.Ng8 h4 38.Kg4 Kg8 39.Qg7#) 1–0. COMP – COMP, 2002.

5.Nf3 h6

6.d3 0–0 7.Be2 c5 8.b5 b6 9.a4 a6 10.Nc3 a5 11.Nd5 Nd5 12.cd5 Nd7 13.d4 ed4 14.ed4 c4 (14...Bf6!? 15.0–0 Re8=) 15.Bc4+= Re8 16.0–0 Bf6 17.Re1 Rf8 (17...Re1 18.Qe1 Nf8 19.Qe3+/–) 18.Rc1 Re8 19.Re8 Qe8 20.Qe1 Qf8 21.Bd3 Bb7 22.Qe4 Re8?? (better is 22...g6 23.Rc7 Bc8+–) 23.Qh7 1–0. Fournier,Frederic – dulcinea1, Active, 2008.

6.d4= e4 7.Nfd2 d5 8.cd5 Nd5 9.a3 f5 10.Qh5+/– Kf8 11.Bc4 Be6 12.Nc3 Qd7 13.Bd5 Bd5 14.Nd5 Qd5 15.g4 g5 16.gf5 Qf5 17.f3 Kg7 18.fe4 Qg6 19.Qg6 Kg6 20.Rc1 c6 21.Nc4 Nd7 22.Na5 Rab8 23.d5 Bf6 24.Bf6 Nf6 25.dc6 bc6 26.Nc6 Rb7 27.e5 Ng4 28.Ke2 Re8 29.Rc5 Rf7 30.h3 Nf2 31.Rh2 Ne4 32.Ra5 h5 33.Nd4 g4 34.Ra6 Kg7 35.hg4 hg4 36.Rh4 Re5 37.Rg4 Kf8 38.Ne6 Ke7 39.Re4! Re4 40.Ng5 Rff4 41.Kd3 Rb4 42.ab4 Rb4 43.Ra7 Kf6 44.Ne4 Ke6 45.Ra4 Rb1 46.Nc3 Re1 47.Kd4 Rh1 48.e4 Rc1 49.Ra6 Kd7 50.Nd5 Rh1 51.Ra7 Ke8 52.Ke5 Re1 53.Nf6 Kd8 54.Ke6 Re2 55.e5 Re1 56.Kd6 Kc8 57.e6 Kb8 58.Rh7 (58.Rh7 Kc8 59.Rc7 Kb8 60.e7+–) 1–0. Kreuzer,Uwe – Ranby,Hans, corr SOK–92–85, 1992.

6.Be2 0–0 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 h6).

6.Be2 e4 7.Nd4 d5 8.a3 c5 9.bc5 Bc5 10.cd5 Qd5 11.0–0 Bd4 (better is 11...Qg5!? 12.f3 Bh3 13.Qa4 Nbd7+=) 12.Bd4+/– (12.ed4?! Qg5 13.Qb3 Nc6=) 12...Nc6 13.Qa4 (13.Bf6 gf6 14.Nc3 Qe5+/–) 13...0–0 (13...Qa5 14.Qa5 Na5 15.Nc3+/–) 14.Bf6 gf6 15.Rd1 Qg5 (better is 15...Qe5!? 16.Nc3 Re8+/–) 16.Qe4+– Bf5 17.Qf3 Ne5 18.Qg3 Qg3 19.hg3 Bb1? (better is 19...Bd3 20.Bd3 Nd3+/–) 20.Rab1+– b6 21.d4 Nc6 22.Bf3 Rac8 23.Bc6 (23.Bg4!? Rcd8+–) 23...Rc6 24.Rdc1 Rfc8 25.Rc6 Rc6 26.Rb2 Rc3 27.Ra2 a5 28.Kf1 b5 29.Ke2 b4? (better is 29...Kf8+–) 30.ab4 ab4 31.Rb2 b3 32.Kd2 Rc8 33.Rb3 Kg7 34.Rc3 Kg6 (34...Rb8+–) 35.Rc8 1–0. Fournier,Frederic – arahu (1650), Active, 2007.

6.Be2 Bf5 7.0–0 Nc6 8.b5 Nb4 9.d3 e4? 10.de4+– Be4 11.Nc3 0–0 12.Ne4 Ne4 13.a3 Bf6 14.Bf6 Qf6 15.ab4 Nc3 16.Qc2 Rfe8 17.Bd3 d5 18.Ra3 dc4 19.Bh7 Kh8 20.Rc3 g6 21.Bg6! fg6 22.Rc4 Re7 23.Rc7 1–0. pierre – ency, internet, 2011.

6.Be2 Bg4 7.d3 Nbd7 8.Nbd2 b6 9.0–0 c5 10.b5 Qc7 11.a4 0–0 12.h3 Bf3 (better is 12...Be6!?=) 13.Bf3+/– (13.gf3?! d5=) 13...Rab8 14.Bc6 Nh7 15.e4 Bg5 16.Nf3 Bf4 17.Bc1 Bc1 18.Rc1 Ndf6 19.Nh4 Nh5?? (better is 19...Ng5+=) 20.Qh5+– Nf6 21.Qe2 Qd8 22.Nf5 Nh7 23.Qg4 Qg5 24.Qg5 Ng5 25.Rcd1 Ne6 26.Nd6 Nd4 27.Bd5 Kh8 (27...g6+–) 28.Nf7 Rf7 29.Bf7 Rf8 30.Bd5 Rf4 31.g3 Rf3 32.Kg2 g5 33.Rfe1 (33.a5 Kg7+–) 33...Kg7 34.Re3 Rf6 35.Rf1 Kg6 36.f4! gf4 (36...ef4 37.e5 Passed pawn; 36...gf4 37.gf4 Combination) 37.gf4 ef4 38.e5 Rf5 39.Ref3! Nf3 40.Rf3 Kg5 41.e6 Rd5 (41...Re5+–) 42.cd5 h5 43.e7 h4 44.e8Q (44.e8Q Kf6 45.Rf4 Kg5 46.Rg4 Kf5 47.Qe6) 1–0. Fournier,Frederic (1640) – CharlieVLC, Active, 2007.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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