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(c) Marek Trokenheim

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 (6.Nc2 a5+=) 6...Bg4 (6...Nbd7 7.Nf3+=) 7.Qc2 (7.Be2 Be2 8.Ne2 d5=) 7...a6 (7...a5 8.b5–/+) 8.h3 (8.Be2 Be2 9.Ne2 Nc6+=) 8...Be6 9.Nf3 c6 (9...Nc6 10.Qd2+=) 10.Be2 b5 (10...Qb6 11.Qc3+=) 11.0–0 Nbd7 (11...a5 12.ba5 Qa5 13.Ng5+=) 12.d4= e4 13.Ng5 d5 (13...Bc4 14.Ne4 Ne4 15.Nc4 bc4 16.Qe4+=) 14.cb5 ab5 (better is 14...cb5 15.Ne6 fe6+=) 15.Ne6+/– (15.Qc6 Bf5 16.f3 Bb4 17.fe4 Be4 18.Nb5 Rc8–+) 15...fe6 16.Qc6 Bb4 (16...Kf7!?+/–) 17.Qe6+– Kh8 (17...Rf7 18.Nb5 Rb8 19.Rfc1+–) 18.Nb5 Qb6 (18...Qa5 19.Rfc1+–) 19.Qb6 Nb6 20.a3 Be7 21.Rfc1 Nc4? (21...Rfc8+–) 22.Bc4 dc4 23.Rc4 h6 (23...Nd5 24.Nc7 Nc7 25.Rc7+–) 24.Nc7 (24.a4 Kg8+–) 24...Rab8 25.Bc3 (25.Ra2 Rfc8 26.Rc3 Kg8+–) 25...Rfc8 26.Ba5 Nd5 (26...Kg8+–) 27.Nd5 Rc4 28.Ne7 Rb2 29.d5 Rbc2 (29...Rc5 30.Be1 Rc7 31.d6+–) 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 Bg4 6.Be2 Be2 (6...Bf5 7.Nf3+=) 7.Ne2= 0–0 (7...a6 8.0–0=) 8.Ng3 (8.0–0 a6=) 8...Nbd7 9.a4 (9.d4 a6=) 9...a6 10.Nc3 (10.0–0 ab5 11.ab5 Ra1 12.Ba1 d5=) 10...ab5= 11.cb5 (11.ab5 Ra1 12.Qa1 Nb6=) 11...Nc5 (11...d5 12.0–0+=) 12.d4= ed4 13.ed4 Ne6 14.0–0 (14.d5 Nc5+=) 14...d5 15.Re1 Bb4 (15...Re8 16.a5=) 16.Re3 (16.Nf5 Re8+=) 16...Qd7 (16...Re8 17.Nf5+=) 17.Nce2 (17.Nh5 Nh5 18.Qh5 Bc3= (18...Nd4? 19.Nd5 Bc5 20.Rc1+–)) 17...c6 (17...Rfe8 18.Ba3 Ba3 19.Raa3+=) 18.Qb3 (18.Rb3 Bd6+=) 18...Ba5 (18...Bd2 19.Rd3 Bf4 20.Nf4 Nf4 21.Rf3=) 19.Ba3= Rfe8 20.Nf5 (20.bc6 bc6 21.Qc2 Qa7+=) 20...Ne4 (20...Ng4 21.bc6 bc6 22.Rg3=) 21.Nfg3 (21.bc6 bc6 (worse is 21...Qc6 22.Ne7 Re7 23.Be7+/–) 22.Qc2 Rab8+=) 21...Nd2 22.Qd3 (22.bc6!? bc6 23.Qc2+=) 22...Nc4–/+ 23.Rf3? (better is 23.bc6 Qc6 24.Rf3–/+) 23...Nd2?? (better is 23...cb5!? 24.Nf5 ba4–+) 24.Rf5 (better is 24.Re3!?=) 24...g6–/+ 25.Nh5? (better is 25.bc6 bc6 26.Bc1–/+) 25...gh5–+ 26.Rh5 Threatening mate: Qxh7 26...f6 27.Qg3 (27.bc6 bc6 28.Qf5 Qg7–+) 27...Qg7 28.Qd3 (28.bc6 bc6 29.Qd3 Ng5–+) 28...Kh8 (better is 28...Qg6 29.Qf5 Ng7 30.Qg6 hg6–+) 29.Bc1?? (29.bc6 bc6 30.Kh1 Nc4–+) 29...Ne4 (better is 29...Nf4! 30.Qh7 Qh7 31.Rh7 Kh7 32.Bd2 Ne2 33.Kf1 Bd2–+) 30.f3 Rg8 The mate threat is Qxg2 31.g3 N4g5 (31...Nd6 32.bc6 bc6 33.Nf4 Nf4 34.Bf4–+) 32.Rh4 (32.bc6 bc6 33.Bf4 Bb6–+) 32...Qg6 33.Qe3?! (33.Qg6 Rg6 34.Kg2 Rc8–+) 33...Qf5 (33...cb5 34.f4 Ne4 35.f5 Qf5 36.Ra2–+) 34.Kg2 cb5 35.ab5 (35.Ra2 ba4 36.g4 Qg6–+) 35...b6 (35...Bd2 36.Bd2 Ra1 37.Qc3–+) 36.Ng1? (36.Qb3 Rac8 37.g4 Nf7–+) 36...Qg6 (36...Bd2 37.Ra8 Be3 38.Rg8 Kg8 39.Be3 Qc2 40.Bf2–+) 37.Rg4 (37.Qb3 Rac8 38.Ne2 Rc2–+) 37...Qh5 (better is 37...h5 38.Rh4 Bd2 39.Ra8 Be3 40.Rg8 Kg8 41.Be3 Qd3–+) 38.h4 Nf7?? (better is 38...Bd2! 39.Bd2 Ra1 40.hg5 Ng5–+) 39.Rg8 (39.Qe6 h6 40.Qf6 Kh7 41.Nh3+–) 39...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 Attacking the isolated pawn on d4 16...Rad8 17.0–0 h5 (17...Bc5 18.Rfe1=) 18.Rae1 Bc5 19.Re5 h4 20.Nh5 Be7 (20...Nd5=) 21.Qd1 (21.Nf4 Rd6+=) 21...Nd7 (21...Ng4 22.Re4 f5 23.Ree1+=) 22.Re6 (better is 22.Re4!? Nc5 23.Bd4+=) 22...Qe6+= 23.Re1 Qd6 (23...Ne5 24.f4 Nd3 25.Re6 fe6 26.Qg4–/+) 24.Qg4 (24.Ng7 Kg7 25.Qg4 Kh6 26.Bd4 Qd4 27.Qd4+–) 24...Bf6 (24...g6!? 25.Bd4 Bf6 26.Nf6 Nf6 27.Bf6 Qf6–/+) 25.Qe4= g6 26.Nf6 Nf6 (worse is 26...Qf6 27.Bd4 Qe6 28.Qe6 fe6 29.Re6+/–) 27.Qb7 Rfe8 28.Re8 Re8 (worse is 28...Ne8 29.Bc4 Nc7 30.Qa7=) 29.Qf3?? (better is 29.h3!?+=) 29...Re1–/+ 30.Bf1 Nd7?? (better is 30...Rb1 31.Bd4 Qd4–+) 31.Qc6 ½–½. Neuschl,Zdenek (2145) – Aichmaier,David, MOR–chT2N, 2003.

5.Qc2 e4 6.Nc3 (6.Bf6 Bf6 7.Qe4 Be7+=) 6...Bf5= 7.f3 0–0 (7...Nc6 8.Ne4 Bg6 9.Bd3+=) 8.fe4 Bg6 (8...Be6 9.Nf3+=) 9.Nh3 h6 (9...Re8!?+=) 10.Nf4+/– Bh7 (10...Nc6 11.b5 Ne5 12.Be2+–) 11.Be2 Nc6 (11...c6 12.0–0+/–) 12.b5 (12.a3 Qd7+–) 12...Ne5+/– 13.0–0 a6 14.ba6 (14.a4 c6+–) 14...Ra6+/– 15.d4 (15.Nfd5 Ra5+/–) 15...Nc6 16.a3 Ra5 (16...Re8 17.Rab1+/–) 17.Rab1 (17.Bd3 Re8+/–) 17...Qd7 18.Bd3 Ng4 (18...Rfa8 19.Nfd5+–) 19.Ncd5 (19.Nfd5 Bg6+–) 19...Bg5 20.Bc3 (20.Qb3 Re8 21.Qb7 Ra7+/–) 20...Ra7+/– 21.h3 (21.Qe2 b6+/–) 21...Nf6 22.e5 (22.Nf6!? Bf6 23.Qf2+/–) 22...Bd3+= 23.Qd3 (worse is 23.Nd3 Nd5 24.cd5 Be3 25.Kh1 Ne7+=) 23...de5 24.de5 Nd5 25.cd5 Ne7 (25...Bf4!? 26.ef4 Rd8+/–) 26.e6 (26.Qd4 A) 26...Ra3?? A1) 27.Rb7?! Bf4 28.Rf4 Qc8+= (28...Nd5?? 29.e6 fe6 30.Rf8 Kf8 31.Bb4 Kf7 32.Ba3+–); A2) 27.e6 Nf5 28.ed7 Nd4 29.Bd4+– (29.ed4?! Rc3 30.Rbe1 Rd8+=); B) 26...Qa4+–) 26...fe6 (26...Qa4+–) 27.Ne6 Rf1 28.Rf1 (28.Kf1?! Qd5 29.Qd5 Nd5+=) 28...Ra8 29.e4 (29.Bg7?! Qd5 30.Qd5 A) worse is 30...Nd5 31.e4 Nf4 32.Nc7+/– (worse is 32.Rf4 Bf4 33.Bb2 Bg3–+; 32.Ng5?! Kg7 33.Rf4 hg5+/–); B) 30...Be3 31.Kh2 Nd5+=; 29.Ng5?! hg5 30.Bb2 g4+–) 29...Ng6 30.e5 (30.Bg7 Nf4 31.Nf4 Qg7+–) 30...Kh7 (30...Ne7 31.Ng5 hg5+–) 31.Ng5 hg5 32.e6 Qd6 (32...Qa4 33.Rf7 Rg8 34.h4 Qh4 35.e7+–) 33.Rf7 Rg8 34.h4! gh4 (34...g4 35.Rf5 Qc5 36.Kh2 Rh8 37.Rh5 Kg8 38.Qg6 Qe7 39.Qf7 Qf7 40.Rh8 Kh8 41.ef7 Kh7 42.f8Q Kg6 43.Qg7 Kf5 44.Qe5 Kg6 45.Qf6 Kh5 46.Qg5) 35.Qf3 (35.Qf3 Qb6 36.Kh2 Qd6 37.Kh1+–) 1–0. pvanr (1820) – nickpalmer (1675), gameknot.com, 2009.

5.Qc2 g6 6.Nc3 Nc6 7.a3 Bf5 8.d3 0–0 9.Nf3 Ng4 10.Be2 Bf6 11.h3 Nh6 12.b5 Na5 13.0–0 b6 (13...Bg7 14.Qa4 c6 15.bc6 Nc6 16.Nd5+=) 14.e4+/– Be6 15.Nd5 Bd5 (15...Bg7!?+/–) 16.cd5+– (16.ed5?! Re8+=) 16...Be7 17.d4 f6 18.Bc3 Nb7 19.Bd2 Nf7 20.Rac1 Rc8 21.Qc6 Na5 22.Ba5 ba5 23.Rfe1 (23.Bd3 Kg7+–) 23...Qe8 (23...f5 24.ef5 gf5 25.de5 de5 26.Qe6 Ba3 27.Ne5+–) 24.Qc3 Bd8 (24...Qd8 25.Bd3+–) 25.Qa5 Ng5 (25...c5 26.Qa7 ed4 27.b6+–) 26.Qa7 (better is 26.Ng5!? fg5 27.Qa7 Bf6+–) 26...Nf3 27.gf3 f5 28.b6! Bf6 (28...cb6 29.Rc8 Pinning (29.Rc8 Deflection)) 29.b7 Rb8 30.Rc7 ed4 31.Rec1 d3 32.Bd3 Be5 (32...fe4 33.Rc8 Rc8 34.Rc8 Qc8 35.bc8Q Rc8 36.fe4 Be5+–) 33.Rc8 Qe7 (33...Rc8 34.Rc8 Qc8 35.bc8Q Rc8 36.ef5 g5+–) 34.Qb8 (34.Rb8?! Qg5 35.Kf1 Qc1 36.Ke2 Qb2 37.Kd1 Qa1 38.Ke2 Qb2 39.Ke1 Qc3 40.Ke2 Qb2=) 34...Bg7 35.Rf8 (35.Rf8 Bf8 36.Rc8 Qg5 37.Kf1+–) 1–0. pcmvr – mi (2200), net–chess.com, 2016.

5.Nc3 a5 6.b5 b6 7.Be2 Bb7 8.Nf3 Nbd7 9.0–0 0–0 10.a3 Re8 11.d3 Bf8 12.d4 ed4 13.Nd4 Nc5 14.Bf3 Bf3 15.Qf3 Nfe4 16.Rad1 Qg5 17.Nd5 Rac8 18.Qh3 g6? (better is 18...Na4 19.Ba1 h6+/–) 19.f3+– Nf6 (19...Na4 20.fe4 Nb2+–) 20.f4 Nd5 21.fg5 (21.cd5 Qd5 22.f5 Qe4–/+) 21...Ne3 22.Rf7! Kf7 (22...Kf7 23.Qh7 Combination) 23.Qh7 (23.Qh7 Bg7 24.Nc2+–) 1–0. Heini – chessenemy, internet, 2016.

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.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 (31...Rac8!?+–) 32.Nc6 Kg7 33.Ne5 Rac8 34.Nd3 b5 (34...Rc2+–) 35.Rc7 Rc7 36.Rc1 Rc4 37.Kf1 Nd2 38.Ke2 Nb3?? (38...Rc1 39.Nc1 Nc4+–) 39.Rc4 bc4 40.Ne5 (40.Nc5 Na1 41.Kd2 Kf7+–) 40...Kf6 (40...c3 41.Kd3 Nd2 42.a4+–) 41.Nc4 Ke6 42.Kd3 Kd5 43.Nd2 (43.Nb6!? Kc6 44.Na4 f4+–) 43...Nc1 44.Kc2 Ne2 45.Nb3 Kc4 46.Nc5 Nc3 47.Na6 Na4 (47...Nb5 48.a4 Nc3 49.Nc5 Kb4 50.Nd3 Kc4 51.Ne5 Kb4 52.a5+–) 48.Nc5 Nb6 49.Ne6 Nd5 (49...Kd5 50.Ng7 Ke4 51.Kc3+–) 50.Ng7 f4 51.g3 (better is 51.Nf5 Nc7 52.Nh6+–) 51...fe3 52.fe3 Ne3 53.Kd2 Kd4 54.Ne6 Ke4 55.b5 Nc4 56.Kc3 Nb6 57.Nd4 (57.Kb4 Kd5 58.Nd8 g4+–) 57...Kd5 58.Kb4?? (better is 58.Nf5 Kc5 59.Nh6 Kb5 60.Nf7+–) 58...Kd4–/+ 59.Ka5 Kc5 60.a4? (better is 60.g4!?–/+) 60...h5 (60...g4 61.Ka6 Na4 62.Kb7–+) 61.h3 Nc4 (61...h4 62.g4 Nd7+=) 62.Ka6+= Nb6 63.a5 Nc4 64.b6 Nd6?? (better is 64...Ne5=) 65.b7+– Nb7 66.Kb7 Kb5 (66...Kd5 67.a6 Ke4 68.a7+–) 67.a6 Kc4 68.a7 Kd4 69.a8Q Ke4 70.Qf8 Ke5 71.Kc6 (71.Qh8!? Kf5+–) 71...Ke4 72.Kd6 Kd3 73.Kd5 (better is 73.Qf3 Kd4+–) 73...Ke3 74.Ke5 Kd3 75.Kd5 (75.Qf3 Kc4 76.Qh5 Kb4 77.Qg4 Kc5 78.Qc8 Kb5 79.Kd4 Kb6 80.Kd5 Kb5 81.Qb8 Ka6 82.Kc5 Ka5 83.Qb5) 75...Ke3 76.Qe8 Kf3 77.Qe5 (77.Qh5 g4 78.hg4 Kg2 79.Qe5 Kf2 80.g5 Kf3 81.g6 Kf2 82.Qb2 Ke3 83.g7 Kf3 84.g8Q Ke3 85.Qg5 Kd3 86.Qbd2) 77...Kg2 78.Qg5 Kh3 (78...Kh2 79.Ke4 Kg2 80.Qd2 Kg3 81.Qf4 Kg2 82.Qf3 Kg1 83.Qg3 Kf1 84.Ke3 h4 85.Qf2) 79.Qh5 (79.Ke4 Kg2 80.Qd2 Kg3 81.Qe3 Kg2 82.Qf3 Kg1 83.Qg3 Kf1 84.Ke3 h4 85.Qf2) 79...Kg2 80.Ke4 (80.Qe2 Kh3 81.Ke4 Kg3 82.Qb2 Kh3 83.Qg7 Kh4 84.Kf4 Kh5 85.Qg5) 80...Kf2 81.g4 (81.Qh2 Ke1 82.Ke3 Kd1 83.Qd2) 81...Ke2 (81...Kg3 82.Qh1 Kg4 83.Qg2 Kh5 84.Kf5 Kh4 85.Qg4) 82.Qh2 Kd1 (82...Ke1 83.Ke3 Kd1 84.Qd2) 83.Kd3 Ke1 84.Qe2 1–0. Fournier,Frederic – genthoal, Active, 2007.

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.Bd3 Be6 6.Qb3 b5 (6...0–0 7.Nc3–/+) 7.Na3 a6 8.Bc2 0–0 (better is 8...Nc6+=) 9.0–0–0? (better is 9.Nf3!?+=) 9...d5 (9...bc4 10.Nc4 a5 11.ba5–+) 10.cb5 (10.Be5 bc4 11.Qb2 Nc6 12.Bf6 Bf6–+ (12...gf6?! 13.d3–+)) 10...ab5 (10...d4 11.Qa4 Ba2 12.ed4 ed4 13.Nf3–+) 11.Nb5? (better is 11.Be5 Nbd7 12.Bf6 Nf6 13.Nb5–/+) 11...d4–+ 12.Qd3 Bb4 (12...c6 13.Nd4 ed4 14.Bd4 Ra2 15.Nf3–+) 13.Bb3? (better is 13.f4!? e4 14.Qd4–/+) 13...c6–+ 14.Be6 fe6 (14...cb5?! 15.Bb3–+) 15.Na3 (15.Nc3 dc3 16.dc3 Qd3 17.Rd3 Bc5–+) 15...Qd6 (better is 15...Ng4!? 16.Nh3 Nf2 17.Nf2 Rf2 18.Nc2–+) 16.Nc4 Qc5 (16...Qd5 17.ed4 Nbd7 18.a3–/+) 17.Kb1? (17.ed4 ed4 18.Bd4 Qd5+=) 17...Qa7 (better is 17...Ne4! 18.Nh3 Qb5 (18...Nf2?! 19.Nf2 Rf2 20.ed4–/+) 19.ed4 Nd2 20.Rd2 Bd2 21.Ne5 Qa5+=) 18.a3–/+ Bc5 19.Ne2? (19.ed4 Bd4 20.Bd4 ed4 21.Nf3–/+) 19...Nbd7?? (better is 19...Ng4 20.Qe4 Nf2 21.Qe5–+) 20.Nc1?? (better is 20.ed4 ed4 21.Nd4 Bd4 22.Qd4=) 20...Rfb8 (better is 20...Ng4!? 21.Qe4 Nf2 22.Qc6–+) 21.Nb3 e4 22.Qc2 d3 23.Qc1 (23.Qc3–+) Rb3 (23...Rb3 24.Ka2 Qa4–+) 0–1. Motruk,Artem – Grekova,Aglaya, 2017.

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 (8...Bg4 9.Qd2=) 9.a3+= Rh8 10.Bd3 Bd3 11.Qd3 h5 12.e4 Rh6 (12...h4!? 13.Nf5 g6 14.Ne7 Qe7+/–) 13.Nf5 Rg6 14.0–0 Nh7 (14...Nb8 15.Nc3+/–) 15.Nd2 (15.f4 Bf6 16.c5 ef4 17.Qb5 Kf8 18.Bf6 Qf6 19.Qb7 Re8+/–) 15...Kf8 16.Nb3 c6 (better is 16...Bg5+–) 17.dc6 bc6 18.c5 dc5 (18...Nc7 19.Rfd1 Ne8+–) 19.Qa6 cb4 20.ab4 c5 (20...Bb4 21.Be5 Kg8 22.Qb7+–) 21.Qe2 (21.Qe2 cb4 22.Qh5+–) 1–0. woschkat (1990) – billy (1700), net–chess.com, 2001.

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 (28...Nb2 29.Ra1+=) 29.Nd2 (29.Re6 Nc4 30.Rc1 Nd6 31.Rc7 Rf7 32.Rf7 Nf7=) 29...Rae8 30.Rde1 Re5 31.Re5 Rf7 (31...Kg7 32.c5 Nd7 33.Re7 Rf7 34.Rf7 Kf7 35.c6 bc6 36.dc6–/+) 32.Kf2 (32.c5 Nd7 33.Re8 Rf8=) 32...Kg7+= 33.Ke3 a6 34.ba6 ba6 35.Kd4 a5 36.c5 Nd7 (36...Nc8 37.Nc4 a4 38.Re8=) 37.Re1 Kf6 (37...Nf6 38.Nc4=) 38.Re6 (38.Nc4 a4 39.c6 Nf8+/–) 38...Kg7 39.Nc4 f4 40.Na5 f3 (better is 40...g4!?=) 41.gf3+/– Rf3 42.Re7 Rf7 43.Re4 (43.Rf7 Kf7 44.Nb7 Ke7+/–) 43...Nf6+= 44.Re2 (44.Re6+=) 44...Nd7 (44...Rd7 45.Re5 Ng4 46.c6 Ne5 47.cd7 Nd7 48.Nc6+=) 45.Nc4 (better is 45.d6 cd6 46.cd6+/–) 45...Rf4+= 46.Re4 Re4 47.Ke4 Nc5 48.Kf3 Kf6 49.d6 (49.Ke3 Kf5+=) 49...cd6–/+ 50.Nd6 Ne6 51.Ne4 Kg6 52.h3 h5 53.Nf2 (53.Ng3 Nd4 54.Ke4 Nb3–/+) 53...Kf5–+ 54.Ke3 (better is 54.Ne4!?–+) 54...Nf4 55.Kd2 Ng2 56.Ke2 Kf4 57.Kf1? (better is 57.Nh1–+) 57...Nh4 58.Kg1 Kf3 59.Nd3 (59.Nh1 Ng6–+) 59...Kg3 60.Nf2 Nf3 61.Kf1 Nd2 62.Ke2 Kg2 63.Ke3 Nf1 64.Ke2 Ng3 (64...h4 65.Nd3 Ng3 66.Ke3 Kh3 67.Kf2–+) 65.Ke3 Nf5 66.Ke2 Kg3 (better is 66...h4–+) 67.Ne4 Kf4 68.Nf6? (68.Nc5 Ng3 69.Kd3 g4 70.Ne6 Kf3 71.Ng5 Kf2 72.hg4 hg4–+) 68...h4 (68...Ng3 69.Kf2–+) 69.Nh5 Ke4 (69...Ke5 70.Kf2 Nd4 71.Ng7–+) 70.Nf6 Ke5 71.Ng4 Kf4 72.Kf1?? (72.Kf2 Ng3–/+) 72...Ng7 (72...Ne3 73.Kg1 Ng4 74.hg4 Kg4–+) 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 (90.Nf7 Kf4–+) 90...Kf2 91.Ne5 Nd4 92.Ng4 Kf1 93.Ne3 (93.Ne5 Ke2 94.Kg2 Ke3–+) 93...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 (19...Qc8 20.Qa4 Qa8+–) 20.Qc7 Ke6 (20...Ke8 21.Qc8 Ke7 22.Rc7 Kd6 23.Qb7 Ke6+–) 21.Qe5 Kd7 22.Rc7 (22.Qf5 Kd8 23.Rc8 Ke7 24.Rc7 Ke8 25.Qc8) 22...Kd8+– 23.Rb7 Qd6 24.0–0 (24.Qg5 Rf8+–) 24...Re8 (24...Qe5 25.Be5 Nd7 26.Bg7+–) 25.Qd6 Nd6 26.Ra7 Re6 (26...Nd7 27.a4+–) 27.b6 (better is 27.Bf6 gf6 28.b6 Re7+–) 27...Kc8 (27...Nd7 28.b7 f6 29.Rc1+–) 28.Rc1 (better is 28.Bf6 Rf6 29.Rb1 g5+–) 28...Kb8 (28...Nc4 29.Bd4 Nd7 30.f3+–) 29.Rc6 (better is 29.Rcc7 g5 30.Bf6+–) 29...Nc8 (29...Nc4 30.Re6 fe6+–) 30.Re6 fe6 (30...Na7 31.ba7 Ka7 32.Re7 Kb6 33.Rf7 Ne8+–) 31.Be5 Nd6 32.Bd6 Kc8 33.Rc7 Kd8 (33...Kb8 34.Rg7 Kc8 35.b7 Kd8 36.b8Q) 34.b7 1–0. Jahnke,Bernd (1800) – Avram,Ioan, Dortmund op–B, 2004.

5.Ne2 Nbd7 6.Nec3 (6.d4 a5+=) 6...c6 (6...0–0 7.Be2+=) 7.Qc2 (7.d4 0–0+=) 7...b6 (7...0–0 8.Be2+=) 8.Be2 Bb7 (8...d5 9.Qa4 dc4 10.Qc6+= (10.Bc4? b5 11.Nb5 cb5 12.Bb5 0–0–+)) 9.0–0= d5 10.a3 (10.Qb3 a5 11.cd5 ab4 12.dc6 Bc6+=) 10...Qc7 (10...dc4 11.Bc4 a5 12.Ne4=) 11.d3 (11.f4 Bd6 12.Qf5 ef4 13.ef4 a5=) 11...Bd6 (11...dc4 12.dc4 a5 13.b5=) 12.e4 (12.cd5 cd5 13.Rc1 Rc8=) 12...0–0 (12...d4 13.Na4+=) 13.Nd2 (13.ed5 cd5 14.Nb5 Qc6=) 13...Rfe8 (13...a5 14.ed5 ab4 15.ab4 Bb4 16.dc6 Bc6 17.Bf3=) 14.Qb3 (14.ed5 cd5 15.Nb5 Qc6=) 14...d4+= 15.Na2 Nf8 (15...a5 16.f4+=) 16.Rae1 (16.f4 Ne6 17.fe5 Be5+=) 16...Bc8 (16...Ne6 17.Bc1+=) 17.Qd1 (17.f4 Ne6 18.fe5 Be5+=) 17...Ng6 (17...a5 18.f4–/+) 18.Nb3 Be6 (18...a5 19.ba5 ba5 20.Bc1–/+) 19.Bc1+= Be7 (19...a5 20.ba5 ba5 21.a4–/+) 20.f4= Nf8?? (better is 20...Nf4 21.Bf4 ef4 22.Nd4 Bd7=) 21.fe5+/– N6d7 (21...Qe5?? 22.Bf4 Bd6 23.Be5 Be5 24.a4+–) 22.Nd4 Ne5 23.Ne6 (23.Bf4 Bd6+/–) 23...Ne6 24.Be3 (24.d4 Rad8 25.d5 Bh4+/–) 24...Ng6 (24...Rad8 25.Qb1+=) 25.d4 (25.Bh5 Bd6 26.h3 Rad8+/–) 25...Rad8 (25...Bh4 26.d5 Rad8 A) 27.de6?! A1) 27...Be1? 28.ef7 (28.Qe1?! Re6 29.Nc3 Re7+–) 28...Qf7 29.Qe1+– (worse is 29.Rf7 Rd1 30.Bd1 Kf7+=); A2) 27...Rd1 28.ef7 Qf7 29.Rd1 Bf6=; B) 27.Qb1+=) 26.d5 (26.Qa1!?+/–) 26...Bd6+= 27.h3 Bg3 28.Bf2 (worse is 28.de6 Rd1 29.ef7 Qf7 30.Rd1 Bf4=) 28...Ng5 29.Bg4 (29.Bd3 Bf2 30.Rf2 Qg3=) 29...Re4 (29...Bh2 30.Kh1 Ne4 31.Qd4 Nf2 32.Qf2 Re1 33.Qe1 cd5 34.cd5+=) 30.Re4 (30.Bg3 Qg3 31.Re4 Ne4=) 30...Ne4 (30...Bf2 31.Rf2 Ne4 32.Re2 cd5 33.cd5–/+) 31.Bg3 Qg3 (31...Ng3 32.Rf2+=) 32.Rf3 (32.Qf3 Qf3 33.gf3 Ng3=) 32...Qd6 (32...Qe5 33.Rf1–/+) 33.Re3 cd5 34.Bf5? (34.Qd5 Qd5 35.cd5 Nf6=) 34...Nf6 (34...dc4 35.Qe1 Nf6 36.Bg6 hg6 37.Nc3–+) 35.Rd3? (better is 35.Bg6 hg6 36.cd5 Qd5 37.Qd5 Rd5 38.Nc3+=) 35...Ne5–+ 36.Rd4 Nc4 37.Qf3 (37.Qd3 g6 38.Bg4 Ne5–+) 37...Qe5 38.Rd1 (38.Qf2 Na3 39.Nc3 a5–+) 38...Qe3 39.Qf2 Qf2 (39...Qa3 40.Rd4–+) 40.Kf2 g6 (40...Na3 41.Nc3 a5 42.ba5 ba5 43.Rd4–+) 41.Bd3 Nb2 (41...Na3!? 42.b5–+) 42.Rd2 Nd3 43.Rd3 Kf8 (43...Ne4 44.Kf3–+) 44.Kf3 (44.b5 Ne4 45.Ke3 Nc5–+) 44...Ke7 (44...a6 45.Nc3–+) 45.Nc3 (45.b5 Kd6–+) 45...Rd7 (45...a5 46.b5–+) 46.Kf4 Nh5 (46...Kd6 47.Nb5 Kc6 48.Nd4 Kb7 49.g4–+) 47.Kf3–/+ Nf6 (47...Ke6 48.Re3 Kf6 49.Rd3–/+) 48.Kf4–+ h6 (48...Kd6 49.Nb5 Kc6 50.Nd4 Kb7 51.g4–+) 49.Re3 (49.Ke5!?–/+) 49...Kd6–+ 50.Rd3 (50.Nb5 Kc6 51.Nd4 Kb7–+) 50...Re7 (50...a6 51.g3–+) 51.Nb5 Kc6 52.Nc3 (52.Nd4 Kd7–+) 52...a6 53.Kf3 (53.a4 Re1–+) 53...Re5 (53...Re1 54.a4–+) 54.Kf4 (54.a4 b5 55.ab5 ab5–+) 54...Rf5 (54...Kd6 55.a4–+) 55.Ke3 Nd7 56.Ne2 (56.Rd1 Re5 57.Kd4 b5–+) 56...Re5 57.Kd2 f5 (57...Nf6 58.Nd4 Kd6 59.Rf3 Ne4 60.Kd3–+) 58.Nc3 (58.Nd4 Kd6–+) 58...Nf6 59.Ne2 (59.a4 Ne4 60.Kc2 g5–+) 59...Ne4 60.Ke1 (60.Kc2 Kd6–+) 60...Nd6 (60...f4 61.Kf1–+) 61.Kd2 (61.Kf2 Nc4–+) 61...Nc4 62.Ke1 Re3 63.Re3 Ne3 64.Kf2 (64.Nd4 Kd6 65.Kf2 Nc4–+) 64...Nc2 65.Nf4 (65.h4 Kd6–+) 65...g5 66.Ne6 Na3 (66...Kd6 67.Nd8–+) 67.Ng7?! (67.Nd4 Kd7 68.Nf5–+) 67...f4 68.Nf5 h5 (68...Nc4 69.Ne7 Kd6 70.Nf5 Ke6 71.Nh6–+) 69.Ng7 (69.h4 gh4 70.Nd4 Kd6–+) 69...Nc2 70.Ne6 (70.Nh5 Nb4 71.h4 gh4 72.Nf4 a5–+) 70...a5 (70...Nb4 71.Ng5 Kb5 72.Ne6 Nd3 73.Ke2–+) 71.ba5 ba5 72.Ng5 (72.h4 gh4 73.Nf4–+) 72...a4 73.Kf3 (73.Nf3 a3 74.Ke2 a2–+) 73...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.Ne2 Be6 6.Qa4 Nbd7 7.Ng3+=.

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

5.Nf3 Na6 6.a3 (6.b5 Nb8=) 6...e4+= 7.Ng1 0–0 8.d3 c5 9.de4 cb4 10.Bd3 (10.ab4 Nb4 (worse is 10...Ne4 11.Ra6 ba6 12.Qd5+=) 11.Nc3 Nd7=) 10...ba3+= 11.Ra3 Nc5 12.Nd2 Qb6 13.Qa1 Nd3 14.Rd3 Be6 15.Ne2 Rfc8 Exerts pressure on the isolated pawn 16.0–0 (16.Nd4 Bc4 17.Nf5 Bd3 18.Ne7 Kf8 19.Nc8 Rc8–/+) 16...Bc4+= 17.Nc4 Rc4 18.Ng3 Rc2 19.Bc3 Qc6 20.f3 Qc4 21.Rfd1 Ne8 (21...d5 22.ed5 Nd5 23.Bg7=) 22.Nf5 Increasing the pressure on the isolated pawn on d6 22...Bf8 23.Nd4 Ra2 24.Qb1 Qa6 25.Nc2 d5 (25...Ra4!?=) 26.ed5+= Rc8 27.e4 Bc5 28.Kh1 Nd6 (28...Qa4 29.Na1+=) 29.e5 Nc4 30.e6 Nd6 (30...b5 31.Nb4 Bb4 32.Qb4+–) 31.Nb4+/– Bb4 32.Bb4 Rcc2? (better is 32...Rac2+/–) 33.e7+– Ne8 34.d6 Rg2 Do you see the mate threat? 35.Bd2 Rh2 36.Kh2 Nd6 37.Kg1 Ne8 38.Rd8 Qc6 39.Qb7! Qa4 (39...Qb7 Theme: Deflection from e8 40.Re8 The nicest combinations are those leading to mate) 40.Qb3! h6 (40...Qb3 A deflection 41.Re8 A classical mating theme) 41.Qa4 Ra4 42.Re8 Kh7 43.Rf8 a6 44.e8Q Rc4 (44...Rd4 45.Qf7 Rd6 46.Qe8 Rg6 47.Kf2 Rg2 48.Kg2 g5 49.Qf7) 45.Qf7 Rc6 (45...Rc5 46.Rg8 Rg5 47.Bg5 hg5 48.Qg7) 46.Qe8 Rg6 47.Kh1 Rg1 48.Rg1 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Nf3 d5 6.b5 dc4 (6...e4!? 7.Nd4 c5 8.bc6 Nc6 9.cd5 Qd5=) 7.Bc4 e4 8.Nd4 (8.Ng5 0–0 9.Qc2 a6 10.Ne4 Bf5+=) 8...Bb4 (8...Nbd7!?=) 9.0–0 0–0 10.Qb3 Bc5 11.a4 Bd4 (11...a6 12.d3=) 12.Bd4+= Be6 (12...Nbd7!?+=) 13.Be6+/– h6?? (better is 13...fe6 14.Qe6 Kh8+–) 14.Bc4 Ng4 (14...Nbd7 15.d3+–) 15.Be2 (15.Bc5 Qe8 16.Bf8 Qe5+–) 15...Nf6 (15...Qh4 16.Bg4 Qg4 17.f3 ef3 18.Rf3+–) 16.f3 Qd6 (16...c6 17.Nc3+–) 17.Qc2 Nbd7 18.fe4 Ng4 (18...Rfe8+–) 19.Bg4 1–0. GuestHJDN – GuestCVF, freechess.org, 2017.

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 (7...e4 8.Ng5 d5 9.cd5 Nd5 10.Nge4 Nb4 11.d4+=) 8.0–0 Bf8 9.b5 Nbd7 10.a4 b6 (10...Bg7 11.d4+=) 11.d4 ed4 (11...a6 12.Qc2+=) 12.Nd4+/– Bb7 13.Bf3 Bf3 14.Nf3 (14.Qf3 Ne5 15.Qe2 Bg7+=) 14...Bg7 15.a5 Nc5 16.a6 Qd7 17.Qc2 Re7 (17...Qe6 18.Ne2=) 18.Nd4+/– ½–½. Woelfelschneider,Peter – Henker,Gisela, CiF, 1991.

5.h3 Nbd7 6.Nc3= c6 (6...0–0 7.Nf3=) 7.Nf3 (7.Bd3 0–0 8.Nf3 d5 9.cd5 cd5+=) 7...0–0 8.Qc2 a5 9.b5 Nc5 (9...g6 10.d3=) 10.d4+= ed4 11.ed4 Ne6 12.Bd3 (12.d5 cd5 13.cd5 Nc5+=) 12...Nf4= 13.0–0 Nd3 (13...g6 14.Rae1=) 14.Qd3 Re8 15.d5 c5 (15...cd5 16.cd5 Bd7 17.Rfe1=) 16.Nd2 (16.Rae1 a4+/–) 16...Bf8 (16...Qd7 17.Nce4 Ne4 18.Ne4+/– (worse is 18.Qe4 Bf8 19.Qf3 Qf5=)) 17.Rae1+/– Bd7 (17...a4 18.Re8 Qe8 19.a3+/–) 18.Re8 Qe8 (18...Ne8 19.Re1+/–) 19.Na4 Qd8 20.Re1 Ne8 (20...g6 21.Qf3 Nh5 22.g4+–) 21.Ne4 Bf5 22.Qc3 (22.Qf3 Be4 23.Re4 Nf6+/–) 22...Be4 23.Re4 Nf6 (23...Be7 24.Qg3+/–) 24.Re1 Qc7 (24...Rb8 25.Qf3+/–) 25.Qd2 Re8 26.Re8 (26.Bc3 Ne4 27.Qc2 Nf6+/–) 26...Ne8 27.Qe1 (27.Bc3 Qd7+/–) 27...Qe7 (27...Qd8 28.Bc3+/–) 28.Bc3 (28.Qa5?! Qe2 29.Qa8 Qc4 30.Qb7 Qa4=) 28...Qd8 (28...Qd7 29.Ba5 g6 30.g4+/–) 29.Ba5+– Qa8 30.Nb6 Qb8 (30...Qd8 31.Bc3+–) 31.a4 (31.Bc3 Qd8+–) 31...Nf6 (31...Qd8 32.Bc3+–) 32.Bc3 Qd8 (32...Nh5 33.Qe3+–) 33.a5 Be7?? (better is 33...Nh5+–) 34.a6 ba6 35.ba6 Bf8 (35...Ne8+–) 36.a7 1–0. pierre – zax, internet, 2010.

5.h3 Be6 6.Nc3 (6.Nf3 0–0 7.a3 a5 8.d4=) 6...0–0 7.Nf3 Nbd7 (7...a5 8.b5=; 7...c6 8.a3+=) 8.Ng5 (8.d4+=) 8...h6 (8...d5 9.cd5 Bd5 10.Qc2=) 9.Ne6= fe6 10.Bd3 (10.Be2 d5 11.Bg4 Kf7=) 10...c6 11.0–0 d5 Black intends e4 (11...a5 12.b5=) 12.a3 e4 13.Be2 a6 (13...a5 14.Bg4 Kf7 15.b5=) 14.Qc2 (14.cd5 cd5 15.d3 ed3 16.Qd3 Rc8=) 14...b5 15.cd5 ed5 (15...cd5 16.Rfc1=) 16.Qb3 (16.f3 ef3 17.Bf3 Ne5+=) 16...Kh8 (16...Bd6 17.d3 ed3 18.Bd3=) 17.d4 (17.d3 ed3 18.Bd3 Bd6=) 17...Qc7 (17...Nb6 18.Qc2+=) 18.a4 (18.Rac1 Nb6=) 18...Nb6+= 19.Ra2 Nc4 (19...Qd6 20.Ba3+=) 20.Rfa1= Qb7 21.Kh1 Bd6 22.Bc1 (22.Kg1 Kg8+=) 22...Nh7 23.Kg1 Qf7 (23...Ng5 24.Bg4+=) 24.Nd1= Qb7 (24...Qe7 25.ab5 cb5 26.Nc3=) 25.Nc3+= Ng5 26.h4 Ne6 27.g3 (27.Bg4!? Nc7 28.h5+=) 27...Qf7–/+ The mate threat is Qxf2 28.Bg4 (28.Nd1 Nc7–/+) 28...Nc7 29.ab5 (29.h5 a5 30.ba5 b4–/+) 29...ab5–+ 30.Nd1 h5 (30...Ra2 31.Ra2 Qg6 32.Bh3–/+) 31.Bh3 (31.Be2 Ra2 32.Ra2 Qf5–/+) 31...Qf3 (31...Ra2 32.Ra2 Qe7 33.Ra7–/+) 32.Bg2 Qg4 (32...Ra2 33.Ra2 Qg4 34.Nc3–/+) 33.Nc3 (33.Ra8 Na8 34.Nc3 g5 35.hg5 h4 36.gh4 Qh4–+) 33...Bg3 (33...Ra2!? 34.Ra2 Qf5–/+) 34.fg3+= Qg3 35.Ra8 Ra8 (35...Na8 36.Nd1 Qe1 37.Kh2 Qh4 38.Kg1 Qe1 39.Kh2 h4–+) 36.Ra8+= Na8 37.Qd1 Nc7 (better is 37...Qh4 38.Qf1 Kg8+=) 38.Qh5+/– Kg8 39.Ne2 Qe1 40.Kh2 Qf2 (40...Qb4!? 41.Qg4 Qe1+/–) 41.Ng3 (41.Nf4 Qe1 42.Qg4 Nd6+–) 41...Qe1 42.Nf5 Qc1?? (better is 42...Qb4 43.Qg6 Qf8+–) 43.Qg6 Ne8 (43...Ne6 44.Qe6 Kh7 45.Qf7 Qh1 46.Kh1 Ne3 47.Qg7) 44.Qe8 Kh7 45.Qf7 1–0. pierre – opponent, chesshere.com, 2008.

5.Qb3 0–0

6.a3 a5 7.Be2 ab4 8.ab4 Ra1 9.Ba1 Be6 10.d4 ed4+=.

6.Nc3 a5 7.b5 Nbd7 8.Nf3 Re8 9.Be2 Bf8 (9...Nc5 10.Qc2=) 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 (20...Rab8 21.Ng3=) 21.g4 (21.Bc5 Qc5 22.Qa4 Ra8+=) 21...Qa6 (21...Nb7 22.Ng3=) 22.Ng3 Bc8 23.Qc3 Ned7 24.Ndf5 Re6 25.Bb2 Pawn g7, live or die! 25...f6 26.Nd4 Ree8 27.Rd2 Ne5 28.f4 Nf7 29.Bf3 Bb7 30.Nh5 (30.Ba3!?+=) 30...Ne4+= 31.Be4 Re4 32.g5 fg5 33.fg5 (better is 33.Nf5 d5 34.Nfg7=) 33...Ne5?? (33...c5 34.Nf5 Ne5+=) 34.Ne6 Qa8?? (better is 34...Rb8 35.Nf8 Rf8 36.Rf8 Kf8 37.Rd6 Qc4 38.Qc4 Nc4 39.Bg7 Ke7+/–) 35.Rdf2+– (35.Nf8 Rf8 36.Rf4 Rff4 37.ef4 Rc4+/–) 35...Be7 36.Nd8 (36.Rf7 Bf8 37.Nf8 Rf8 38.Rf8 Qf8 39.Rf8 Kf8+–) 36...Qd8 37.Rf7! Rh4 (37...Nf7 Exploits the pin 38.Qg7 A double attack) 38.Rg7 Kh8 39.Qe5! de5 40.Be5 (40.Be5 Re4 41.Ba1+–) 1–0. Drelinkiewicz,Tadeusz – Nowak,Ignacy (2295), Bydgoszcz POL–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 a5 7.ba5 e4 8.Nd4 Nbd7 9.Be2 d5 10.cd5 Nc5+=.

6.Nf3 Nbd7 7.Nc3 (7.d4 ed4 8.Nd4 a5 9.a3 c5 10.Nf5 ab4=) 7...a5 8.a3 Re8 (8...ab4 9.ab4 Ra1 10.Ba1 c5+=) 9.Bd3 (9.Be2 ab4 10.ab4 Ra1=) 9...ab4 (9...Nb6 10.0–0= c6=) 10.ab4 Ra1 11.Ba1 h6 12.0–0 Bf8 (12...c5 13.b5=) 13.Bb1 c6 (13...e4 14.Ne1=) 14.h3 (14.d4 Qe7+=) 14...Qb6 15.Na4 Qa7 16.Ba2 Nb6 17.Nb6 Qb6 18.c5 Qc7 19.Qc2 dc5 (19...b6 20.cd6 Bd6 21.Rc1+=) 20.bc5 e4 21.Nd4 Qe7 22.Qc4 Nd5 (22...Qc5? 23.Qf7 Kh7 24.Ne2+–) 23.Rc1 Qg5 24.f4 (24.Kh1 Qg6=) 24...ef3 (24...Qg6 25.Kh2+=) 25.Nf3= Qg3 26.Qh4 Qh4 27.Nh4 Be6 28.Bc4 (28.Bd5 Bd5 29.Bd4 Ra8=) 28...Ra8 29.Bd4 Nc7 30.Be2 Ra2 31.Nf3 Na6 32.Rb1 (better is 32.e4!?=) 32...Nc5–/+ 33.Bc5 Bc5 34.Rb7 Be3! 35.de3 Re2 36.Nd4 Re3 37.Nc6 Re2 38.Nd4? (better is 38.Rb8!? Kh7 39.Nd4–/+) 38...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 (49.Ne6 f5–+) 49...f5 50.Nd4 Bd5 51.Ne2 Kh5 52.Kh3 (52.Kf2 Bc4 53.Nc3 g4–+) 52...Bf3 (52...f4 53.Kh2–+) 53.Ng3 (53.Nd4 Be4 54.Kg3 f4 55.Kf2 g4–+) 53...Kg6 54.Nf1 f4 55.Nd2 g4 56.Kh2 Bd5 57.Nb1 Kg5 58.Nc3 Bf3 59.Nb5 Kh4 60.Nd4 (60.Nc3 g3 61.Kg1 Bc6–+) 60...Be4 (60...Be4 61.Kg1 f3–+) 0–1. Pagalis,G (1815) – Anastasopoulos,S (2100), 15th Open Nikea GRE, 2007.

6.Nf3 e4 7.Nd4+= Na6 8.Be2 c5 9.b5 cd4 10.ba6 de3+=.

5.b5 b6

6.Be2 Bb7 7.Nf3 0–0 8.0–0 c6 9.Nc3 a5 (9...a6 10.bc6 Nc6 11.d4=) 10.bc6 Nc6 11.d4 ed4 (11...Rc8 12.Rb1+=) 12.Nd4 Nd4 (12...Rc8 13.Nf5 Ne5 14.Qd4+/–) 13.Qd4+/– (13.ed4?! d5=) 13...d5 (13...Qc7 14.Nd5 Bd5 15.cd5+/–) 14.Nd5 Bd5 15.cd5 Rb8 (15...Qd5!? 16.Bf3 Qd4 17.Bd4 Rab8+/–) 16.Rfd1 Bc5 17.Qh4 h6 (17...Ne8 18.Qe4+–) 18.Bf6 Qf6 19.Qf6 gf6 20.Rab1 Rfd8 21.a4 Rb7 22.Bb5 Re7 23.Bc6 (23.Kf1 Kf8+–) 23...Rd6 24.Kf1 Re4 25.Ke2 Kg7 26.Kd3 f5 27.g3 (27.h3 Kf6+–) 27...f6 (27...Kf6 28.Rdc1+–) 28.Rg1 h5 29.h3 Kh6 30.Rbc1 Rb4 31.Rc4 Rb2 32.Rf4 Kg5 33.h4 Kg6 34.Be8 Kg7 35.Rf5 (35.Bh5?! Rd5 36.Kc4 Rdd2+=) 35...Rb3 36.Kc2 Rb4 37.Ra1 Rc4 (37...Re4 38.Bh5 Re5 39.Re5 fe5 40.Rd1+–) 38.Kd3 Rb4 39.Bh5 (39.Rh5 Rd8 40.d6 Re8=) 39...Rd8 40.Bf3 Kg6 (40...Bd6 41.Rh5+–) 41.Rf4 Rd6 (41...Rb3 42.Kc2 Rb4 43.Rb4 Bb4 44.Kd3+–) 42.Rb4 Bb4 43.g4 f5 (43...Rd8 44.Kc4+–) 44.e4 fe4 (44...fg4 45.Bg4 Rf6 46.Bf5 Kh6 47.f4+–) 45.Be4 Kg7 46.g5 Bc5 (46...Rd8 47.f4 Rh8 48.Rh1+–) 47.h5 Bf2 (47...Rd7 48.f4+–) 48.h6 Kg8 (48...Rh6 49.gh6 Kh6 50.Rh1 Kg7 51.d6+–) 49.Rf1 Bh4 (49...Bc5 50.h7 Kg7 51.Rf7 Kf7+–) 50.h7 Kh8 51.Rf8 Kg7 52.h8Q 1–0. mrkt – starbaths, chesshere.com, 2005.

6.Be2 Bb7 7.Nf3 0–0 8.0–0 Nbd7 (8...a6 9.d4=) 9.d4 ed4 (9...e4 10.Nfd2=) 10.Nd4 d5 (10...a6 11.Bf3 Bf3 12.Qf3=) 11.Bf3 (11.Nc3 dc4 12.Bc4 a6+=) 11...Nc5 (11...Ne5 12.Nd2+=) 12.Qc2 (12.cd5 Nd5 13.Nc3 a6+=) 12...dc4 (12...a6 13.Rd1+=) 13.Bb7+/– Nb7 14.Nc6 Qe8 15.Qc4 Nc5 (15...Nd6 16.Ne7 Qe7 17.Ba3=) 16.Nc3 (16.Be5 a6 17.Bc7 Nfd7+/–) 16...Bd6 (16...a6 17.a4+=) 17.Ne2 (17.Rfd1 a6+=) 17...Nfd7 (17...Qe6 18.Qe6 fe6 19.Bf6 Rf6 20.Rad1+=) 18.Nf4 (18.Rfd1 a6 19.Qg4 Ne5 20.Be5 Be5 21.Ne5 Qe5 22.ba6 Ra6=) 18...Ne5 (18...a6 19.Qc3 Nf6 20.a4+=) 19.Qd4 (19.Be5 Be5 20.Ne5 Qe5+=) 19...f6+= 20.Qd5 Kh8 21.Be5 Be5 (21...fe5 22.Nd3+=) 22.Rad1 (22.Ne5 fe5 23.Nd3 A) 23...Qb5 24.Ne5 Qe2 25.Nf7 Kg8 26.Nd8 Ne6 27.Ne6+– (27.Qa8?! Rd8 28.Qa7 Qg4+–; 27.Qe6 Kh8 28.Nf7 Kg8+–); B) 23...Rd8 24.Qe5 Nd3 25.Qe8 Rfe8–+) 22...Bf4 (22...a6 23.ba6 Bf4 24.ef4 Ra6 25.Rfe1+=) 23.ef4 Qe4 (23...Qe2 24.Nd8 Rc8 25.Nf7 Rf7 26.Rfe1 (26.Qf7?! Nd3+–) 26...Qd1 27.Qd1+–) 24.Rd4 (24.Qe4 Ne4 25.Rfe1 Nc3=) 24...Qd5+= 25.Rd5 Rfe8 (25...a6 26.Rfd1+=) 26.f3 (26.Rd4!?=) 26...Re6 (26...a6!? 27.ba6 Ra6+=) ½–½. Luettig,Hendrik – Kuhle,Sebastian, Pinneberg–ch op, 1996.

6.Nf3 e4 7.Nd4 0–0+=.

5.Qc2 b6

6.d4 ed4 7.Bd4 Nc6 8.Bc3+=.

6.d4 Nbd7 7.Nf3= h6 (7...ed4 8.Nd4 Bb7 9.Bd3=) 8.a3 Bb7 (8...a5 9.ba5 Ra5 10.Bc3+=) 9.de5+= de5 10.Ne5 Ne5 11.Be5 Be4 (11...a5 12.b5+=) 12.Qd2 (12.Qa4 Nd7 13.Bg7 Rg8+–) 12...Bd6 (12...c5 13.f3 Bb7 14.b5+/–) 13.Bd6 Qd6 14.Qd6 cd6 15.Nc3 Bb7 16.Nb5 Ke7 17.Be2 (17.Rd1 d5+–) 17...a6 18.Nd4 g6 19.f3 Rhc8 20.Kf2 Nd7 21.Rab1 (21.h4 h5+–) 21...Rc7 22.h4 h5 23.Rhd1 (23.Rhc1 Rac8+/–) 23...Rac8 24.g4 (24.Nb3!?+/–) 24...hg4= 25.fg4 Be4 26.Rbc1 d5 (26...b5!?+=) 27.c5 bc5 28.Ba6 Ra8 29.Nb5 Rc6 30.Bb7 Rf6 31.Ke1 Rh8 (better is 31...Rb8!? 32.Bd5 Bd5 33.Rd5 Rb5+=) 32.Bd5 Bd5 33.Rd5 Rh4 34.Kd2 (34.bc5?? Rh1 35.Ke2 Rc1–+) 34...Rg4 35.bc5 Rg2 (35...Re6 36.Ke2 Rg3 37.Rc3+/–) 36.Kd3+– Rff2 37.Kc3 Re2 38.c6 Re3 39.Kb4 (39.Kd4 Rd2 40.Ke3 Rd5+–) 39...Nb6+/– 40.Rd4 Re5 41.Ka5 Nc8 (41...Rb2!? 42.Kb6 Reb5 43.Kc7 Ra5 44.Re1 Kf8 45.Rd8 Kg7+/–) 42.Rd7 Ke8?? (better is 42...Kf8+–) 43.Rcd1 (43.Rh1 Rh5 44.Re1 Kf8 45.Rd8 Kg7 46.Rc8 Rc2+–) 43...Rgg5 (43...Ra2 44.Ka6 Rb5 45.Kb5 Rb2 46.Ka5+–) 44.a4 Rc5 (44...Kf8 45.Rd8 Re8 46.Re8 Ke8 47.c7+–) 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 (6.a3 a5+=) 6...a6 7.Bd3 (7.a5 0–0+=) 7...Bg4 (7...Nbd7 8.Nf3+=) 8.f3 Bh5 (8...Be6 9.Bf5+=) 9.Ne2= Bg6 (9...Nbd7 10.Ng3=) 10.0–0 Nbd7 11.Bg6 hg6 12.f4 (12.d4 Qc7=) 12...Kf8 (12...e4 13.Nbc3 d5 14.Rab1=) 13.h3 (13.Nbc3 Ke8+=) 13...Rc8 (13...e4 14.a5=) 14.fe5 (14.d3 Ke8+=) 14...de5= 15.c5 (15.Bc3 Kg8=) 15...Kg8 (15...a5 16.Ba3=) 16.e4 (better is 16.a5!?=) 16...a5–/+ 17.d4 (17.Nc1 ab4 18.Nb3 b6 19.cb6 Qb6 20.d4 ed4 21.Bd4 c5–/+) 17...ed4 (17...ab4 18.Kh1–/+) 18.Bd4+= Qc7 (18...ab4 19.e5 Nd5 20.Nd2+=) 19.Nd2 (19.ba5 Rh5+=) 19...g5 (19...ab4 20.Nc1+=) 20.e5= Ne5 21.Qf5 Ned7 22.Qg5 Rh5 23.Qe3 Re8 24.Qf2 (24.Ne4 Bc5! 25.bc5 Ne4+=) 24...ab4 25.Nb3 (better is 25.Ne4–/+) 25...Rf8 (25...Nc5!? 26.Nc5 Bc5 27.Bc5 Ne4–/+) 26.Ng3 (26.Nf4 Rf5 27.Rae1 Nh5 28.Re7 Nf4+=) 26...Rg5 (26...Rh7 27.Nf5 Nd5 28.Ne7 Ne7 29.Rae1=) 27.Nf5 Re8? (better is 27...Nd5!?=) 28.Rae1+/– Bd8?? (better is 28...Qd8 29.Qd2 Rh5 30.Ne7 Re7 31.Bf6 gf6 32.Qb4 Rhe5+/–) 29.Re8+– Ne8 30.Nh6! Kh7 (30...gh6 31.Qf7 A double attack) 31.Nf7 Threatening mate: Qh4. (31.Qf7?! Qg3 32.Qg8 Kh6 33.Qh8 Kg6 34.Qe8 Kh7 35.Qe4 Rg6+=) 31...Rg6 (31...Rd5 32.Qe3 (32.Nd8?! Qd8 33.Qe1 Ndf6 34.Qb4 Rd7+–) 32...Nef6 33.Ng5 Rg5 34.Qg5+–) 32.Qf5 (32.Nd8?! Qd8 33.Qe1 Qg5+/–) 32...Nef6 (32...Bf6 33.Qh5 Rh6 34.Nh6 Bd4 35.Nd4+–) 33.Ng5 (better is 33.Be5 Qc8 34.Bf6 Bf6 35.h4+–) 33...Kh6 34.Ne6 (34.Rf3 Rg5 35.Be3+–) 34...Qg3+/– Threatening mate... how? 35.Qf4 (35.Qc2 Be7 36.Nf4 Rg5+/–) 35...Qf4 36.Nf4 (36.Rf4 Nd5 37.Rf7 Re6 38.Bg7 Kg6 39.Rd7 Re1 40.Kf2 Bh4 41.g3 Bg3 42.Kg3 Re3 43.Kg4 Rb3 44.Rb7 Ne3 45.Kf4+=) 36...Rg3= 37.Rb1 (better is 37.Rf3 Rf3 38.gf3=) 37...Bc7 (better is 37...Ne4!?=) 38.Ne6+/– Be5 (38...Nd5 39.Kf2 Bb8 40.Na5=) 39.Bf2 (better is 39.Be5!? Ne5 40.Nbd4+/–) 39...Rd3+= 40.Nd8 Ne4 41.Nb7 Nc3 42.Re1 Na4 43.N7a5 (43.N3a5 b3 44.Nc6 b2 45.Ne5 Ne5–+) 43...Bf6 (43...Kh7 44.Kf1=) 44.Re4+= Rd1 (44...Nc3 45.Rb4 Nd5 46.Rb7 Rd1 47.Kh2+=) 45.Kh2 White gets the initiative 45...Nb2? (better is 45...Rb1!?+=) 46.Nc6+/– (46.Rb4?! Nd3 47.Be3 Kh5+=) 46...Nd3 47.Be3 Kg6 (47...g5 48.Nb4 Be5 49.g3 Nb4 50.Rb4+–) 48.Nb4 Be5 49.g3 Nb4 (49...Nf6 50.Rc4+–) 50.Rb4 Rb1 (50...Nf6 51.Bd4 Nd5 52.Rc4+– (52.Be5 Nb4 53.Kg2 Nc6=)) 51.c6 (51.Kg2 Bc3 52.Rg4 Kf6+–) 51...Rb2 52.Kg1 Nf6 (52...Nb8 53.Rb6 Kh7 54.Bd4 Bd4 55.Nd4 Rb6 56.c7+–) 53.Bf4 (53.Rb7 Bg3 54.Nd4 Ra2+–) 53...Bf4 54.gf4 (worse is 54.Rf4 Rb3 55.Rc4 Rb8+= (55...Rg3? 56.Kh2 Ra3 57.c7+–)) 54...Nd5 55.Rb5 Nc7 56.Rb7 Nd5 57.Nd4 Rd2 58.Nf3 (better is 58.Ne6!? Rc2 59.Rb5 Rc1 60.Kf2 Kf6+–) 58...Rc2 59.Ne5 (59.f5 Kf6 60.Rd7 Nb6+–) 59...Kf5+/– 60.Rb5 (60.Rf7 Ke6+/–) 60...Nc7 (60...Ke4!? 61.Nd3 Rc3 62.Nc5 Kf4+=) 61.Rb4+– Nd5 62.Rd4 (62.Rc4!? Rc4 63.Nc4 Kf4 64.Nd6+/–) 62...Nf4+= 63.Rc4 Rc4 (63...Nh3 64.Kh1 Rc4 65.Nc4=) 64.Nc4+= Nd5?? (better is 64...Ke6+=) 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 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.

6.Nf3 h6 7.h3 0–0 8.Qc2 Nc6 9.a3 a5 (9...Re8 10.Be2=) 10.b5+= Na7 (10...Nb8 11.d4 Nbd7 12.Bd3+=) 11.Be2 c6 12.d4 ed4 (12...Qc7 13.Qd3+=) 13.Nd4+/– Re8 14.0–0 Bd7 15.Bf3 Rb8 (15...Nh7 16.Rad1+/–) 16.Qd3+/– d5 (16...Nh7 17.Ne4+/–) 17.cd5 cd5 (17...cb5 18.Ncb5 Nb5 19.Nb5+–) 18.Nd5+– Nd5 19.Bd5 Bf6 20.Rfd1 (better is 20.Rab1+–) 20...Bb5? (better is 20...Nb5 21.Bf7! Kf7 22.Qb3 Kf8 23.Nb5 Qe7+–) 21.Nb5 Bb2 22.Bf7! (22.Na7?! Ba1 23.Ra1 Qf6+–) 22...Kf7 (22...Kh8 23.Rab1 Qd3 24.Rd3 Nb5 25.Be8 Na3 26.Rb2 Nc4+–) 23.Qb3 (23.Qb3 Re6 24.Rd8 (24.Na7?! Qb6 25.Nb5 Be5+–) 24...Rd8 25.Qb2 Nb5 26.Qb5+–) 1–0. Janek – wazzabet, internet, 2017.

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, chesshere.com, 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 Nc6

6.a3 Be6 7.Nf3 0–0 8.Qc2 Re8 9.Bd3 Bg4 10.h3 Bh5 (10...Bf3 11.gf3 Nb8 12.Bf5=) 11.Nd5 Nd5? (better is 11...Bf3!? 12.gf3 h6+=) 12.cd5+/– Nb8 (12...Bf3!? 13.Bh7 Kh8 14.gf3 Nb8+–) 13.Bh7+– Kh8 14.g4 Bg6 15.Bg6 fg6 16.h4 1–0. Janek – zandar, internet, 2017.

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 Bd7

6.a4 0–0 7.Nf3 Na6 (7...a5 8.b5+=) 8.b5 Nc5 (8...Nb4 9.Qb3 c5 10.bc6 Nc6 11.d4+= (11.Qb7?? Rb8 12.Qb8 Qb8–+)) 9.Be2 (9.d4 ed4 10.ed4 Ne6=) 9...a6 (9...e4 10.Nd4=) 10.d4 ed4 11.Nd4 ab5 12.cb5 (12.ab5 Ra1 13.Ba1 Re8=) 12...c6 (12...Re8 13.a5=) 13.0–0 d5 14.Qc2 Re8 15.Ba3 Nfe4 (15...Ne6!?=) 16.Ne4+/– Ne4 17.Be7 (17.bc6 bc6 18.Nc6 Bc6 19.Qc6 Bf6+=) 17...Re7 18.bc6 Rc8 19.Bb5 (19.a5 Bc6 20.Rfc1 Bd7+/–) 19...bc6 20.Bd3 (20.Ba6 Rb8+=) 20...Qa5 (20...c5 21.Nb5=) 21.Rfc1 Increases the pressure on c6 21...Ree8 (21...c5 22.Nb3 Qb4 23.Be4 Re4 24.Qc3= (worse is 24.Nc5 Rc4 25.Qc4 dc4 26.Nd7 c3+=)) 22.Be4 (22.Nb3 Qa7+/–) 22...Re4 (22...de4 23.Qc5 Re5 24.Qa5 Ra5 25.Nb3+/–) 23.Nb3 (23.Qc5 Qc5 24.Rc5 Kf8+=) 23...Qa7 (23...Qb4 24.Qd3+=) 24.Qc5+/– White prepares a5 24...Qc5 (24...Qb8 25.Nd4+=) 25.Nc5 Re7 26.a5 Ra8 (better is 26...Bf5!?+/–) 27.Nd7+– Rd7 28.Rc6 d4 (28...Kf8 29.a6+–) 29.Rd1 (better is 29.ed4!? Rd4 30.h3+–) 29...d3+/– 30.Kf1 Kf8 31.a6 Rd5 (31...Ke7 32.Ke1+/–) 32.Ra1 Ke8 (32...d2 33.Ke2+–) 33.Ke1+– Kd7 34.Rb6 Rc5 (34...Rg5 35.Rb7 Kc6 36.Rf7 Rg2 37.Kd2 Rh2 38.Kd3+–) 35.Kd2 (35.Rb3 Rd5+–) 35...Rc2 36.Kd3 Rf2 37.Rb7 White plans a7 37...Ke6? (37...Kc6 38.Rc1 Kd6+–) 38.a7 Rd8 39.Kc3 Rc8 40.Kb3 Rfc2 41.a8Q (41.Ra6 Kd5 42.Rd7 Ke5 43.Re7 Kd5 44.a8Q Ra8 45.Ra8 Rg2 46.Rd8 Kc6 47.Rf7 Rh2 48.Rg7 Rh1+–) 41...R2c3 42.Kb4 R3c4 43.Kb5 (43.Kb5 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 (9...Re8 10.0–0=) 10.0–0+= Be6 11.d4 ed4 12.ed4 Bf5 (12...d5 13.cd5 Bd5 14.Nd5 Qd5 15.Ne5 Nge5 16.de5+=) 13.Bd3 Be6? (better is 13...Bd3 14.Qd3 Nf6+=) 14.d5+– Bd7 (14...Nce5 15.de6 fe6 16.Be2+–) 15.dc6 Bc6 16.Nd5 (16.Nd4 Bd7+–) 16...Bf6 (16...Bd5 17.cd5 Bf6 18.Bf6 Nf6 19.Qc2+–) 17.Nf6 Nf6 18.Nd4 Bd7 19.Qf3 c5 (19...a5 20.Nf5 Re8 21.Nh6 Kf8 22.Bh7+–) 20.Nf5 Re8 (20...Bf5 21.Qf5 Qd7 22.Qf3+–) 21.Nd6 Bc6 22.Qf4 Re6 23.bc5 Re7 (23...Qe7+–) 24.Bf6 gf6 25.Qf5 Be4 26.Be4 Re4 27.Ne4 Kg7 28.Rae1 h6 29.Re3 Qd4 30.Rg3 Kf8 31.Nf6 Rd8 (31...Ke7 32.Re1 Kd8 33.Rg8 Kc7 34.Re7 Kc6 35.Qc8 Rc8 36.Rc8) 32.Rg8 Ke7 33.Re1 Qe5 (33...Qe3 34.Re3) 34.Re5 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.d4 A) 7...a5 8.b5 0–0 9.Be2 Re8 10.0–0 Bb7 11.a3 (11.Qd2 ed4 12.Nd4 Nc5 13.Rad1=) 11...ed4 12.Nd4 Ne5+= (12...Nc5 13.Bf3+=) 13.f4+=; B) 7...Bb7 B1) 8.d5 0–0 B11) 9.Bd3 c6 (9...a5 10.a3 Re8 11.0–0 c6 12.dc6 Bc6 13.e4+=) 10.dc6 Bc6 11.0–0 a5 12.a3 ab4= 13.ab4=; B12) 9.a3 a5 10.Bd3 c6 11.dc6 Bc6 12.0–0 ab4 13.ab4=; B13) 9.Be2 c5 10.dc6 Bc6 11.0–0 Rc8 12.Nh4 Bb7 13.a3=; B2) 8.Be2 B21) 8...ed4 B211) 9.ed4 d5 10.c5 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1=; B212) 9.Nd4 c5 (9...0–0 10.0–0 c5 11.Nf5 cb4 12.Nb5 Be4+= 13.Nbd6+=) 10.Nc2 0–0 11.0–0 d5 12.Nd5 Nd5 13.cd5=; B213) 9.Qd4 a5 10.b5 a4 11.Rd1 Nc5 12.0–0 a3 13.Ba1+=; B22) 8...0–0 9.0–0 (9.d5 a5 10.b5 Nc5 11.Na4 Nfe4 12.0–0 Bc8 13.Nc5=) 9...c6 (9...ed4 10.Nd4 c5 11.Nf5 cb4 12.Nb5 Be4 13.Nbd6+=) 10.a3 a5 11.e4 (11.Bd3 Re8 12.Re1 ab4 13.ab4=) 11...ab4 12.ab4 Ra1+= 13.Qa1+=; C) 7...0–0 8.Bd3 ed4 9.Nd4 Ne5 10.b5 Re8 11.0–0 a6 12.Be2 Bb7 13.Qd2=; D) 7...c5 8.bc5 bc5 9.Rb1 (9.Bd3 cd4 10.ed4 Bb7 11.d5 Nc5 12.Bc2 Rb8 13.Rb1=) D1) 9...cd4 10.ed4 Rb8 (10...0–0 11.Be2 Bb7 12.0–0 Rc8 13.Re1=) 11.Be2 0–0 12.0–0 Bb7= 13.Re1=; D2) 9...Qa5 10.Qd2 cd4 11.ed4 Bb7 12.Nb5 Qd2 13.Kd2=.

6.Nf3 b6 7.Be2 Bb7 (7...0–0 8.0–0 (8.d4 c5 9.bc5 bc5 10.Rb1 cd4 11.ed4 Bb7 12.0–0 Rc8=) 8...c6 9.d4 Re8 10.Qc2 Qc7 11.Rfd1 ed4 12.Nd4 Ne5+=; 7...a5 8.b5 0–0 (8...Bb7 9.0–0 0–0 10.d4 Re8 11.a3 ed4 12.Nd4 Ne5+=; 8...e4 9.Nd4 Ne5 10.0–0 0–0 11.f3 ef3 12.Bf3 Ra7+/–) 9.0–0 Bb7 10.d4 Re8 11.a3 ed4 12.Nd4 Ne5+=) 8.0–0 (8.d4 ed4 (8...0–0 9.0–0 a6 10.d5 c6 11.e4 cd5 12.cd5 Rc8+=) 9.Nd4 0–0 10.0–0 c5 11.Nf5 cb4 12.Nb5 Be4+=; 8.a3 e4 (8...0–0 9.0–0 Re8 10.d4 a5 11.b5 ed4 12.Qd4 Ne5+=; 8...a5 9.0–0 0–0 10.b5 Re8 11.d4 ed4 12.Nd4 Ra7+=; 8...a6 9.0–0 0–0 10.d4 a5 11.d5 c6 12.dc6 Bc6+=) 9.Nd4 0–0 10.0–0 Ne5 11.f4 Ng6 12.d3 d5+=) 8...c6 (8...e4 9.Nd4 c5 10.bc5 dc5 11.Nf5 0–0 12.f3 ef3+=; 8...c5 9.a3 e4 10.Nh4 0–0 11.Nf5 cb4 12.ab4 Ne5+=; 8...0–0 9.d4 c5 10.bc5 bc5 11.d5 Rb8 12.Rb1 Bc8+=) 9.Qb3 (9.d4 0–0 10.a3 a5 11.e4 ab4 12.ab4 Ra1+=) 9...a6 (9...0–0 10.d4 Qe8 11.Rfd1 e4 12.Nh4 Bd8+=) 10.a3 (10.d4 0–0 11.a3 Qc7 12.Qc2 Rfe8=) 10...0–0 11.d4 e4 (11...Re8 12.e4 Qc7+=) 12.Nd2 d5 13.Rfc1 (13.f3 ef3 14.Bf3 dc4 15.Qc4 a5+=) 13...h6 (13...Qb8 14.c5=) 14.a4 Rb8 (14...Qb8 15.b5 dc4 16.Bc4 cb5 17.ab5+=) 15.b5 ab5 16.ab5 c5 (16...dc4!? 17.Qc4 cb5 18.Qb5 Ra8+=) 17.Nd5 Nd5 18.cd5 Nf6 19.Bc4 Bd6 20.dc5 Bc5? (better is 20...bc5 21.Ra7 Re8+–) 21.Bf6 Qf6 22.Ne4 Qe5 23.Nc5 bc5 24.Qc3 Qc3 (24...Qf5 25.f3+–) 25.Rc3 Rfd8 26.e4 Bc8 (26...Ra8 27.Rca3 Kf8 28.Ra8 Ra8 29.Ra8 Ba8 30.b6+–) 27.Bd3 Bd7 28.Rc5 f6 (28...Kf8 29.Ra7+–) 29.f4 Kf7 30.e5 fe5 31.fe5 Bg4 (31...Rb6 32.Ra6 Ra6 33.ba6+–) 32.Rc7 Kg8 33.Raa7 Rd5 (33...Kh8 34.Rg7 Rd5 35.Rh7 Kg8 36.Rag7 Kf8 37.Rg4+–) 34.Rg7 Kf8 (34...Kh8 35.Rh7 Kg8 36.Rag7 Kf8 37.Rg4+–) 35.Raf7 Ke8 36.Bg6 (36.Rg4?! Kf7 37.Bc4 Rbb5+–) 36...Rd1 37.Kf2 Rd2 38.Kg3 1–0. AGove – Nexxus6, ChessWorld.net, 2007.

5.Nc3 Bg4

6.Be2= Be6 7.Qb3 (7.Nf3 a5 8.b5 0–0=) 7...0–0 (7...d5 8.Nf3 Nc6 9.cd5 Nd5 10.b5=) 8.Bf3 (8.Nf3 Nbd7=) 8...c6+= 9.d3 (9.b5 a5+=) 9...d5 10.Nge2 (10.a3 dc4 11.dc4 Qd3+=) 10...Qd6 (10...Na6 11.Ba3–/+) 11.a3 (11.c5 Qc7 12.Qc2–/+) 11...b5 (11...dc4 12.dc4 Qd3 13.Rd1 Qc4 14.Qc4 Bc4 15.Ng3+=) 12.c5 (12.cd5!? Nd5 13.Nd5 cd5 14.Nc3+=) 12...Qc7+= 13.Qc2 Rd8 (13...a5 14.0–0+=) 14.0–0 (14.a4 Na6 15.Ba3 Nb4 16.Bb4 a5–/+) 14...a5 15.g3 (15.Rfb1 Na6 16.Na2 ab4 17.ab4 e4 18.de4 de4 19.Be4 Ba2 20.Ra2 Nb4 (20...Ne4?! 21.Qe4 Nc5 22.Qg4+=) 21.Ra8 Nc2 22.Rd8 Qd8 (22...Bd8?! 23.Bc2 Nd7 24.Bd4–+) 23.Bc2 Qd2–+) 15...Na6 16.Na2 Rd7 (16...Bf5+=) 17.e4 (17.Bg2!?+=) 17...d4 (better is 17...de4 18.de4 ab4 19.ab4 Nc5 20.bc5 Ra2–/+ (worse is 20...Ba2 21.Nc1+–)) 18.ba5? (18.Nac1 ab4 19.ab4 Qd8–/+) 18...Ba2 (better is 18...Nc5!? 19.Bg2–+) 19.Ra2 Nc5 20.Rc1 (20.Bg2 Ra5 21.Bh3 Rd8–+) 20...Ra5 (20...Qa5 21.Rd1–+) 21.Rca1 (21.Bg2 b4! 22.Raa1 b3–+) 21...Rd8 22.Nc1 (22.Bg2 Nfe4 23.de4 d3–+) 22...Na4 23.Nb3 (23.Bg2 Nb2 24.Qb2 Rda8–+) 23...Ra6 24.Bg2 c5 (24...Rda8 25.f4 Nb2 26.fe5–+) 25.Nd2 Rc8 (25...Qd6 26.Bh3–+) 26.Rc1 Nd7 (26...Qd7 27.Ba1–+) 27.Bh3 Rca8 28.Qb3 (28.Bf5 g6 29.Bh3 Bg5–+) 28...Ra5 29.f4 (29.Bf5 Nb2 30.Qb2 c4 31.Bd7 c3–+) 29...ef4 30.Bd4 fg3 31.Qd5 (31.Nf3 Qd6 32.Be3 Nab6–+) 31...gh2 (31...Bf6 32.Qd7 Qd7 33.Bd7 Bd4 34.Kg2–+) 32.Kh1 (32.Kg2 Nab6 33.Qb3 Qf4–+) 32...Ndb6 (32...Nab6!? 33.Qb3–+) 33.Qe5 Do you see the mate threat? 33...Qe5 34.Be5 Bg5 35.Kh2 Rd8 36.Rg1 (36.Bf1 c4 37.Rd1 Be3–+) 36...h6 (36...f6 37.Nb3 Ra7 38.Rc2–+) 37.Nf3 (37.Nb3 Ra7 38.Bf1 Re7–+) 37...f6 (worse is 37...Rd3 38.Ng5 hg5 39.Rg5–+) 38.Be6 (38.Ng5 hg5 (38...fe5?! 39.Be6 Kf8 40.Nh7 Ke7 41.Rg7 Kd6 42.Rag2–/+; 38...fg5?! 39.Rg3–+) 39.Bc7 Rd3–+) 38...Kf8 39.Bc7 Rd3 40.Ng5 hg5 41.Rf2 (41.e5–+) 41...Ke7 42.Bh3 Ra7 (42...Ra3 43.e5 Ra8 44.Bd6 Kf7 45.e6 Kg8 46.Bg2–+) 43.Bg3 (43.Bf1 Rb3 (43...Rc7?! 44.Bd3 c4 45.Bc2–+) 44.Bb8 Rb7–+) 43...Nc3 (43...Ra3!? 44.e5–+) 44.Re1 Nc4 (44...Ra3 45.e5 Kf7 46.Bf5 Rg3 47.Kg3 Ne4 48.Kg2 Nf2 49.e6 Ke7 50.Kf2 Ra2 51.Kf3–+) 45.e5 (45.Bf1 Rg3 46.Kg3 Ne5–+ (46...Ra3?! 47.Bc4 bc4 48.Rf3–+; worse is 46...Na3 47.e5 fe5 48.Re5 Kd6 49.Re3–+)) 45...Re3 (45...Ra3 46.ef6 Kf8 47.Re8 Kf7 48.Re7 Kg6 49.Rg7 Kh6 50.Bf5 Rd7 51.Rd7 Ra7 52.Ra7 g4 53.Rh7 Kg5 54.Bh4; 45...fe5?! 46.Bf1 Rg3 47.Bc4 bc4 48.Kg3 Ra3 49.Kg4–+; 45...Ne5 46.Be5 fe5 47.Re5 Kd6 48.Rg5–+) 46.ef6 (46.Re3 Ne3 47.Rb2 Ra3–+) 46...gf6 47.Ref1 (47.Rf3 Re1 48.Be1 Ne2–+) 47...Ne4 48.Rf3 Rf3 (48...Re2 49.Bg2–+) 49.Rf3 Ng3 50.Kg3 Ra3 51.Bf1 (51.Ra3 Na3 52.Kf3–+) 51...Rf3 52.Kf3 Nd2 (52...Nd2 53.Ke3 Nf1 54.Kf2 b4–+) 0–1. Kabela,Adam – Gergelits,Vaclav, CZE–ch U10 Hradec Kralove, 1997.

6.Nf3 e4 7.h3 ef3 (better is 7...Bf5!? 8.g4 Bd7+=) 8.hg4+/– Qd7 (better is 8...Nc6!?+/–) 9.g5+– fg2? (better is 9...Ng4 10.gf3 Ne5+–) 10.Bg2 Nc6 11.b5 (better is 11.gf6 Bf6 12.Qb1+–) 11...Na5?? (11...Ne5 12.Qe2 Nfg4+–) 12.gf6 Bf6 13.Qa4 b6 (13...Qg4 14.Rg1 0–0 15.Qa5 Be5+–) 14.Ba8 0–0 (14...a6 15.d4 ab5 16.cb5+–) 15.Bd5 a6 (15...Rc8 16.Be4 g6 17.d4+–) 16.Qc2 g6 (16...h6 17.Rh6! Re8 18.Qh7 Kf8 19.Rf6 gf6+–) 17.Ne4 Bb2 18.Qb2 Rd8 19.Nf6 Kg7 (19...Kf8 20.Nd7 Ke7 21.Qf6 Kd7 22.Qf7 Kc8 23.Rh7 Rd7 24.Qd7 Kb8 25.Qc7) 20.Nd7 Kg8 21.Bf7! Kf7 (21...Kf7 22.Rh7 Mate attack) 22.Rh7 Ke6 23.Qf6 1–0. pcmvr – vaingrecsky (2270), net–chess.com, 2016.

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 (7.Nf3 a5 8.b5 Nbd7+=) 7...c6 (7...a5 8.b5+=) 8.Nce2 (8.Nf3!?+=) 8...Nbd7–/+ 9.Ng3 (9.Nc3 d5 10.cd5 Nd5–/+) 9...Re8 (9...a5 10.ba5 Ra5 11.Bb1–/+) 10.a3 (10.Bf5 Bf5 11.Nf5 Qb6+=) 10...d5 11.c5 (11.cd5 Bd5 12.e4 Be6+=) 11...Qc7 (11...a5 12.Nf5–/+) 12.Bb1 (12.Bf5 Bf5 13.Nf5 b5+=) 12...b6–/+ 13.cb6 ab6 14.N1e2 c5 15.f4 (15.d4 Bg4+=) 15...ef4 (15...Bg4 16.Bf5–/+) 16.Nf4+= Bd6 17.0–0 Be5 18.d4 Bf4 19.Rf4 c4 20.Qc2 (20.Qf3 b5=) 20...Nf8 (20...Rac8 21.Qc3+=) 21.Rcf1 (21.Qc3 Bg4=) 21...Ng6 (21...Qe7 22.e4=) 22.Rf6= gf6 23.Nh5 Rec8 24.Nf6 Kh8 (24...Kg7 25.Qc3=) 25.Qe2+= Kg7 26.Qh5 Rh8 (26...h6 27.Bc1+/–) 27.Qf3 (27.e4 Qd6+/–) 27...Qe7 (27...Nh4!? 28.Nh5 Kh6+=) 28.e4+/– Rhc8 (28...Rhd8 29.ed5 (29.Nd5?! Bd5 30.ed5 Rd6+=) 29...Bd7 30.d6+– (30.Nd7?! Qd7 31.d6 Kg8+/–)) 29.e5 (29.ed5 c3 30.Qh5 Qf6 31.Rf6 Kf6 32.Qf3 Kg7 33.de6 cb2+–) 29...Rd8 (better is 29...Qd8!?+=) 30.Bc1+– Rh8? (better is 30...Qa7 31.Qh5 Kf8 32.Qh7 b5+–) 31.Bg5 (31.Nd5?! Bd5 32.Qd5 Qe6+–) 31...Qb7 (31...Qa7 32.Nh5 Kf8+–) 32.Nh5 Kf8 33.Qf6 Rg8 (33...Ke8 34.Bg6 hg6 35.Qh8 Kd7+–) 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 a6

6.Nc3 Bf5 7.Nf3 Nc6 8.a3 Qd7 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.

6.Nc3 Bf5 7.Nf3 Nc6 8.a3 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=.

6.Nc3 Bf5 7.Nf3 Nc6 8.b5 A) 8...Nb4 9.d3 ab5 10.a3 Nc6 11.cb5 Na5 12.e4 Bg4 13.0–0 0–0= (13...c5 14.Nd2=) 14.d4=; B) 8...ab5 9.cb5 B1) 9...Nb4 10.d3 Be6 11.Ng5 Nbd5 (11...0–0 12.Ne6 fe6 13.e4 d5 14.a3+/–) 12.Ne6 fe6 13.Nd5 (13.Qb3 c6 14.Nd5= ) 13...ed5= 14.0–0=; B2) 9...Nb8 10.0–0 (10.d3 c5 11.Qc2 0–0 12.0–0 Re8 13.Rfc1 Qb6 14.e4=) 10...0–0 11.d4 (11.d3 c5 12.Qc2 Re8 13.e4 Be6 14.Ng5=) 11...e4 12.Nd2 d5 13.a4 Bb4= 14.Qb3=; B3) 9...Na5 10.d3 0–0 (10...c5 11.Rc1 0–0 12.Qc2 Qb6 13.0–0 Rfc8 14.Rfd1=) 11.e4 Bg4 12.0–0 c6 13.h3 Be6= 14.Qc2=.

6.Nc3 Bf5 7.Nf3 Nc6 8.d4 A) 8...0–0 9.a3 (9.0–0 Nb4 10.de5 de5 11.Ne5 Qe8 12.Qa4 Rd8 13.Qe8 Rfe8 14.Rfd1+=) 9...a5 (9...e4 10.Nd2 Re8 11.g4 Bc8 12.Rg1 Nd7 13.Nde4 Nf6 14.Bd3+/–) 10.b5 ed4 11.ed4 Na7 12.0–0 d5 13.c5 b6 14.c6+=; B) 8...e4 9.Nd2 B1) 9...Qd7 10.a3 Bg6 11.0–0 Qf5 (11...0–0 12.Qc2 Qf5 13.Nde4 Ne4 14.Bd3+/–) B11) 12.h4 h6 13.h5 Bh5+= (13...Bh7 14.f4+= ) 14.Bh5+=; B12) 12.f3 ef3 13.Bf3 Qd3 14.Qe2+=; B2) 9...d5 B21) 10.a3 dc4 11.Bc4 b5 12.Be2 0–0 13.Qc2 Re8+= ( 13...Qe8 14.d5+=) 14.0–0=; B22) 10.g4 Be6 11.g5 Ng8 12.cd5 Bd5 13.a3 Bg5 14.Nde4+=.

6.Nc3 Bf5 7.Nf3 Nc6 8.Nd5 0–0 A) 9.d3 A1) 9...Re8 10.Qd2 (10.a3 Be6 11.Ne7 Qe7 12.0–0 Bf5 13.d4 ed4 14.Nd4=; 10.Qa4 Qd7 11.a3 Bd8 12.e4 Bg4 13.h3 Bh5 14.0–0=; 10.Ne7 Re7 11.a3 Qd7 12.d4 e4 13.Nd2 d5 14.Nb3=) 10...Be6 11.Ne7 Re7 12.0–0 Re8 13.a4 Qd7 14.b5=; A2) 9...Be6 10.Ne7 Qe7 11.a3 b5 12.0–0 Rfb8 13.Rc1 bc4 14.dc4+= ; A3) 9...b5 10.Rc1 (10.a3 Rb8 11.Qc2 e4 12.Ng5 Nd5 13.cd5 ed3 14.Bd3=; 10.Ne7 Qe7 11.a3 bc4 12.dc4 Be4 13.0–0 Bf5 14.Nd2=) A31) 10...Be6 11.a3 Na7 (11...bc4 12.dc4 Qd7 13.0–0 Rfe8+= 14.Qc2+=) 12.Ne7 Qe7 13.Ng5 Rab8 14.0–0+=; A32) 10...Rb8 11.Ne7 Qe7 12.a3 Rb6 13.d4 bc4 14.Bc4= ; A4) 9...e4 10.Nh4 (10.de4 Be4 11.a3 Re8 12.Bd3 Bd3 13.Qd3 Nd5 14.cd5+=) 10...Nd5 11.Nf5 Ndb4 12.de4 Bf6 13.Qb1 a5 14.0–0+=; A5) 9...Nd5 10.cd5 Nb8 11.0–0 c6 12.e4 Bg4 13.dc6 Nc6 14.a3= ; B) 9.a3 e4 10.Nd4 (10.Ne7 Qe7 11.Nd4 Nd4 12.Bd4 a5 13.0–0 c5 14.Bc3=) 10...Nd4 11.Ne7 Qe7 12.Bd4 a5 13.0–0 ab4= (13...c5 14.Bb2=) 14.ab4=; C) 9.Ne7 Qe7 C1) 10.a3 e4 11.Nd4 Nd4 12.Bd4 a5 (12...c5 13.Bc3 Rfc8= 14.0–0=) 13.0–0 ab4 14.ab4=; C2) 10.Qb3 e4 11.Nd4 Nd4 12.Bd4 c5 13.Bc3 Bg4 14.f3= ; C3) 10.Qa4 Bd7 11.Qb3 e4 12.Nd4 a5 13.Nc6 Bc6 14.b5=.

5.Be2 Be6

6.Qc2 Nbd7 7.Nf3 h6 8.d4 e4 9.d5 Bf5 (better is 9...ef3!? 10.de6 fe2 11.ed7 Qd7 12.Qe2 a5=) 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? (better is 21.Qb4 Ra2 22.Qb7+=) 21...Bc2–/+ 22.Qc2 Ra2 23.Rgf3 Bf6 24.Rf6 (better is 24.Rb1–+) 24...Nf6 (24...gf6?! 25.Qb1 Ra4 26.Ne4–+) 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 (33.h3–+) 33...Ka7 (33...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 0–0 7.0–0 Nc6 8.b5 Nb8 9.d4 e4 10.Nfd2 a6 11.ba6=.

6.Nf3 a5 7.b5 a4 8.0–0 0–0 9.a3 Nbd7 10.d4 ed4 11.Nd4=.

6.Nf3 Nc6 7.b5 Nb4 8.d3 A) 8...e4 9.Nd4 Qc8 (9...Qd7 10.de4 Be4 11.f3+/–) 10.de4 Be4+/– 11.f3+/–; B) 8...Bd3 9.Bd3 Nd3 10.Qd3 e4 11.Qd1+=.

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 (10...Re8 11.Nd2=) 11.Ne4+= Be4 12.Nc3 Bf5 13.Qd2 Nf6 14.f3 e4 (14...Qb6 15.c5 Qc7 16.de5 de5 17.e4=) 15.fe4+= White gets the initiative 15...Be4? (better is 15...Ne4 16.Qd3 Nc3 17.Rf5 Ne2 18.Qe2 a5+=) 16.Rf6!+– Bg2 (16...gf6 17.Ne4) 17.Rf4 (17.Kg2 Bf6) 17...Bh3 18.Rf3 Bg4 19.Rg3 Bf5 20.Rf1 Bg6 21.e4 White prepares the advance d5 21...Bh4 22.Rg2 f5 23.d5 fe4 24.Ne4! Qe7 (24...Be4 A pinning theme 25.Rg7 Demolition of pawn structure) 25.Rg4 Rf1 26.Bf1 Rf8 27.Bg2 Rf5 (27...a5 28.ba5 c5 29.Rf4+–) 28.dc6 d5 (28...bc6 29.Qd6 Bf2 30.Kh1 Qe8+–) 29.cb7 Qb7 30.Nd6 Bf2 (30...Rf2 31.Qd5 Qd5 32.Bd5 Kf8 33.Bd4+–) 31.Kh1 Qd7 32.Bd5 Kh8 33.Rg6! Rf6 (33...hg6 34.Qh6 The nicest combinations are those leading to mate) 34.Rf6 h6 (34...Qe7 35.Qf2 Qf7 36.Nf7 Kg8 37.Nd6 Kh8 38.Rf8) 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 (8...Na6 9.Bc3+=) 9.d4= ed4 (9...e4 10.Nfd2+=) 10.ed4 (10.Nd4 d5=) 10...0–0 (10...d5 11.Qd2+=) 11.Bd3 (11.d5!?=) 11...d5+= 12.c5 bc5 13.bc5 Re8 14.0–0 c6 (14...Bg4 15.Re1=) 15.Re1 Bg4 16.Nbd2 h6 (16...Nbd7 17.Qc2=) 17.Bc3 Qc7 18.h3 Be6 (18...Be6 19.Ne5 Nbd7+=). Grosso,Raul O – 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 (36.Ke3 Kg5+/–) 36...Kg5 37.Na3 f4? (better is 37...Rg4+/–) 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+– (worse is 30.Ng7 Kg7 31.Ng5 Kg8+–)) 30.N3d4 (30.N5d4?! Nf6+/–; 30.Re4?! Ne4 31.Nh6 Kf8 32.Qe4 Bg7+=; 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...Ra8 34.Nc6+–) 34.Qe8 Kh7 35.g4 Rc4 36.Nc6 Rc1 (36...Qg6 37.Nce7 Re4 38.Qf8 (38.Ng6?! Re8 39.Nge7 Ra8+/–) 38...Re7 39.Qe7+–) 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 (10...d5 11.c5–/+) 11.d4 Qc7 12.Nd2 Ne8 (12...d5 13.de5 Ne5 14.c5+=) 13.a4 f5 14.a5 Ndf6 (14...d5 15.c5=) 15.a6 Nh5 (15...b5 16.Rad1=) 16.ab7+= Qb7 17.de5 de5 18.Be5 Qb6 (18...Bb4 19.Rfb1 Qe7 20.Ra4+=) 19.Bd4 (19.Nd4 Rd8+–) 19...c5+/– 20.bc5 Bc5 21.Rfb1 Qc7 22.f4 (22.Rb5 Qe7+/–) 22...Nd6 23.Qa2 Nf6 24.Bc5 Qc5 25.Qa7 Qa7 (25...Nc4 26.Qc5 Rc5 27.Nc4 Bc4 28.Nd4+/–) 26.Ra7 Nc4 (26...Rf7 27.Rba1 Ra7 28.Ra7 Bc4 29.Nd4+/–) 27.Nc4+– Bc4 28.Nd4 g6 29.h3 (29.Rbb7 Rf7+–) 29...Rce8 (29...Rfe8 30.Bb7 Rcd8 31.Rb4+/–) 30.Kf2 (30.Rb4 Bd3+–) 30...Ne4 31.Be4 Re4 32.Rbb7 Threatening mate: Rg7 32...Rf7 33.Rf7 Bf7 34.g4 fg4 (34...Be6 35.Ne6 Re6 36.g5+–) 35.hg4 Re8 (35...h5 36.g5+–) 36.Nf3 Rc8 (36...Bd5 37.g5+–) 37.Ng5 Rc2 38.Kg3 Bd5 39.Nh7 Bh1 (39...Rc6 40.g5 Be6 41.Nf6 Kf8 42.e4+–) 40.Nf6 Kf8 41.Kh4 Re2 42.Ra3 (42.Kg5 Bf3+–) 42...Kg7 (42...Bf3 43.Kg5 Kf7 44.Ra7 Ke6 45.Kg6 Re3 46.f5 Kd6 47.Rd7 Kc5 48.g5+–) 43.Kg5 Rb2 (43...Bb7 44.Ra7 Rb2 45.e4+–) 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 Nc6

6.b5+= Na5 7.Qa4 c6 (better is 7...c5!?+=) 8.Bc3+= b6 9.bc6 0–0 10.Ba5 ba5 11.Nc3 Qc7? (better is 11...Rb8!?+=) 12.Rb1+– Bf5 (12...Rd8 13.g4 h6 14.Bg2+–) 13.Rb7 Qc8?? (13...Qd8+–) 14.Re7 1–0. pereira – oppo, internet, 2009.

6.b5 Nb8 7.d4 (7.Nc3 0–0=) 7...ed4 8.Qd4 Nbd7 9.Nf3 0–0 (9...Nc5 10.Nc3=) 10.Be2 (10.Nc3 Nc5=) 10...Nc5 11.Nc3 Ne6 (11...h6 12.0–0=) 12.Qd2 Nc5 (12...a6 13.0–0=) 13.0–0 Bf5 14.Nd4 Bg6 15.Nd5 (15.Nb3 c6=) 15...Nfe4 (15...h6 16.f3=) 16.Qa5+= b6 (16...Nf6!?+=) 17.Nc6+/– (17.Ne7?! Qe7 18.Qe1 Qg5=) 17...ba5 18.Nde7 Qe7 19.Ne7 Kh8 20.Nd5 Rac8 (20...Ne6 21.Rad1+/–) 21.Kh2 c6 (21...Nd2!? 22.Rfd1 Nde4+/–) 22.Ne7+– cb5? (better is 22...Na4 23.Nc8 Rc8+–) 23.Nc8 Rc8 24.cb5 Na4 (24...Kg8 25.Rac1+–) 25.Rac1 Rc1 (25...Bf5 26.Rc8 Bc8 27.Bd4+–) 26.Rc1 (26.Bc1?! Nec3 27.Re1 h5+–) 26...Nec5 27.Ba3 (27.Bd4 h6+–) 27...h6 (27...Kg8 28.Bd1 f6 29.Ba4 Na4 30.Bd6+–) 28.Bd1 Kh7 (28...Bd3 29.Ba4 Na4 30.Bd6 Bb5 31.Rc7+–) 29.Ba4 Na4 30.Rc7 Nb6 (30...Bd3 31.Rf7 Bb5 32.Ra7+–) 31.Bd6 Bd3 32.Be5 Bb5 (32...Bc4 33.Ra7 Ba2 34.Bc7+–) 33.Rf7 Kg6 34.Rg7 Kf5 35.Ra7 Ke5 (35...Bd3 36.Bc7 Nc4 37.Ba5+–) 36.Ra5 Kd5 (36...Kf6 37.Rb5 Na4+–) 37.Rb5 Kc6 38.Rb6! Kb6 39.Kg3 Kb5 40.Kg4 Ka4 41.Kh5 Ka3 42.Kh6 Ka2 43.g4 Kb2 (43...Kb3 44.g5 Kc4 45.g6 Kc5 46.g7 Kc6 47.f4 Kd7 48.g8Q Kc7 49.f5 Kb6 50.f6 Kc5 51.f7 Kb4 52.f8Q Kc3 53.Qd5 Kc2 54.Qa3 Kb1 55.Qe4) 44.g5 Kc3 (44...Kc2 45.g6 Kb2 46.f4 Kc3 47.f5 Kd3 48.f6 Kc4 49.g7 Kd3 50.g8Q Kd2 51.f7 Kc3 52.f8Q Kd3 53.Qd5 Kc3 54.Qa3 Kc2 55.Qdd3) 45.g6 Kd3 46.g7 Ke2 47.f4 Ke3 (47...Kf3 48.f5 Ke4 49.f6 Kd5 50.g8Q Ke4 51.Qe6 Kd3 52.f7 Kc3 53.Qd5 Kc2 54.f8Q Kc3 55.Qa3 Kc2 56.Qdd3) 48.f5 Kf3 (48...Kd4 49.f6 Kd3 50.f7 Kd4 51.g8Q Ke3 52.f8Q Ke2 53.Qc4 Ke1 54.Qf3 Kd2 55.Qfe2) 49.f6 Kg3 (49...Ke4 50.g8Q Ke5 51.f7 Kd4 52.f8Q Ke5 53.Qc5 Ke4 54.Qgg5 Kd3 55.Qge3) 50.g8Q Kh3 (50...Kf4 51.Qc4 Kf5 52.f7 Ke5 53.Kg5 Kd6 54.f8Q Ke5 55.Qe7) 51.f7 1–0. pierre – rob, internet, 2010.

5.h3 Bf5

6.Nc3 0–0 A) 7.Qf3 Bd7 (7...Qc8 8.Nd5 Nd5 9.cd5 Bg6 10.d4 Nd7 11.Rc1+=; 7...Bc8 8.a3 a5 9.b5 Nbd7 10.Rd1 Re8 11.Bd3+=) 8.b5 c6 9.Be2 Be6 10.bc6 Nc6 11.a3–/+; B) 7.b5 a6 (7...Bg6 8.Nf3 a6 9.d4 ab5 10.de5 b4 11.Nb5=; 7...Qd7 8.g4 Be6 9.f4 Qd8 10.Qf3 c6 11.f5=; 7...c6 8.d4 Qa5 9.Nf3 cb5 10.cb5 e4 11.Nd2+=; 7...Qc8 8.Nf3 a6 9.g4 Bg6 10.d4 ed4 11.Qd4+=; 7...e4 8.g4 Bg6 9.h4 h5 10.gh5 Bf5 11.Bh3+=) 8.Qf3 Bc8 9.a4 ab5 10.ab5 Ra1 11.Ba1+=; C) 7.a3 Be6 (7...Bg6 8.Nf3 a5 9.b5 Bh5 10.Be2 Nbd7 11.d4=; 7...Qd7 8.Nf3 a5 9.b5 c6 10.Be2 cb5 11.Nb5=; 7...Nc6 8.Nf3 Re8 9.b5 Na5 10.d4 e4 11.g4=; 7...a5 8.b5 Be6 9.Nf3 Nbd7 10.Ng5 Nb6 11.Ne6=) 8.Nf3 a5 9.d4 e4 10.Nd2 ab4 11.ab4+=.

6.Nc3 a5 A) 7.Qf3 Bc8 (7...Qc8 8.b5 a4 9.Nd5 Nd5 10.cd5 0–0 11.Bc4=; 7...ab4 8.Qf5 bc3 9.Bc3 Nc6 10.Nf3 0–0 11.Be2=) 8.b5 0–0 9.Nd5 Nd5 10.cd5 a4 11.d4=; B) 7.b5 c6 (7...Bg6 8.Nf3 0–0 9.Be2 Bf5 10.d4 Nbd7 11.Nh4+=; 7...Ra7 8.d4 0–0 9.Nf3 ed4 10.Qd4 Ra8 11.Nd5=; 7...Qc8 8.Nf3 0–0 9.Be2 Re8 10.0–0 c6 11.d3=; 7...c5 8.Qf3 Qd7 9.g4 Bg6 10.g5 Nh5 11.h4+=; 7...0–0 8.Qf3 Qc8 9.Nd5 Nd5 10.cd5 Qd7 11.Rc1=) 8.d4 ed4 9.Qd4 0–0 10.Nf3 a4 11.a3=.

6.Nc3 c6 7.Nf3 (7.d4 0–0 (7...e4 8.d5 0–0 9.g4 Bg6 10.h4 h5 11.gh5=; 7...Na6 8.a3 0–0 9.Qf3 Bc2 10.Rc1 Bg6 11.de5=; 7...Qb6 8.a3 Nbd7 9.Nf3 Rd8 10.Nh4 Be6 11.d5=; 7...Nbd7 8.a3 0–0 9.Qf3 Bg6 10.Nge2 a5 11.b5+=; 7...a5 8.b5 ed4 9.Qd4 a4 10.a3 0–0 11.e4=) 8.Qf3 Bg6 9.de5 de5 10.Rd1 Qc7 11.a3+=; 7.a3 Nbd7 (7...0–0 8.d4 e4 9.g4 Bg6 10.h4 h5 11.Be2=; 7...a5 8.Nf3 0–0 9.b5 Nbd7 10.d4 Rc8 11.g4=; 7...Qd7 8.d4 0–0 9.g4 Bg6 10.g5 Ne8 11.h4=; 7...Na6 8.d4 0–0 9.Qf3 Bg6 10.de5 de5 11.c5=; 7...Bg6 8.d4 Nbd7 9.Nf3 0–0 10.Be2 Bf5 11.0–0=) 8.d4 0–0 9.Qf3 Bc2 10.Rc1 Bg6 11.Nge2+=) 7...Nbd7 (7...0–0 8.Be2 Qb6 9.a3 a5 10.b5 cb5 11.Nb5=; 7...Na6 8.a3 0–0 9.Be2 e4 10.Nd4 Bg6 11.0–0=; 7...a5 8.b5 0–0 9.Be2 cb5 10.Nb5 Na6 11.0–0=; 7...Qc7 8.Be2 0–0 9.0–0 d5 10.cd5 Bb4 11.Qb3=; 7...Qb6 8.a3 0–0 9.d4 a5 10.g4 Be6 11.b5=) 8.g4 (8.Be2 Qb6 9.a3 0–0 10.0–0 c5 11.d4=) 8...Bg6 9.Nh4 d5 (9...0–0 10.Ng6 fg6 11.Bg2=) 10.Ng6 hg6 11.g5 (11.cd5+=) 11...Ne4 12.cd5 Ng5 13.h4 e4 14.Bg2 Nf3 15.Bf3 ef3 16.Qf3 Qb6 (16...Rc8 17.b5+=) 17.Ne2 (better is 17.dc6 bc6 18.a3+/–) 17...0–0–0? (better is 17...cd5 18.Bg7 Rh7+=) 18.dc6+– bc6 19.Bg7 Rhe8 (19...Bb4 20.Bh8 Bd2 21.Kf1 Rh8 22.Rd1 (22.Qf7?! Rf8 23.Qc4 Be3+=) 22...Be3 23.Qe3 Qe3 24.fe3+–) 20.Rc1 (20.Qf7 Bb4 21.Nd4 Bd2 22.Kf1 c5+=) 20...Kb7 (20...Nb8 21.a3 Bf8 22.Bd4+– (worse is 22.Qf7 Re7 23.Qf8 Rf8 24.Bf8 Re8+–)) 21.Nd4 (21.Qf7?! Bb4 22.Rb1 Re7 23.Qg6 Rg8+–) 21...Bb4 (21...Nb8 22.b5 Bc5+–) 22.Rc6 (22.Rc6 Ka6 23.Rb6 Nb6 24.Qf7+–) 1–0. pierre – mahdovich2, chesspark.com, 2008.

6.Nc3 Nc6 7.b5 Nb8 (7...Na5 8.d4 ed4 9.Qd4 a6 10.Nf3 ab5 11.cb5=) 8.Qf3 Qc8 9.Nd5 Nd5 10.cd5 Bg6 11.d4=.

6.Nc3 Qd7 A) 7.g4 Bg6 (7...Qc6 8.Nf3 Bg6 9.b5 Qd7 10.Bg2 c6 11.d4=; 7...Be6 8.g5 Qc6 9.Nf3 Ng4 10.hg4 Bg4 11.Be2+–) 8.g5 Ne4 9.Bg2 Nc3 10.Bc3 Nc6 11.b5=; B) 7.a3 a5 (7...0–0 8.Nf3 a5 9.b5 c6 10.Qe2 e4 11.Nd4+=) 8.Nf3 ab4 9.ab4 Ra1 10.Qa1 0–0 11.Be2+=; C) 7.d3 0–0 (7...Na6 8.a3 0–0 9.Nf3 Rfd8 10.g4 Be6 11.d4=; 7...Nc6 8.b5 Nd8 9.g4 Bg6 10.f4 ef4 11.ef4=; 7...a5 8.b5 0–0 9.g4 Be6 10.Bg2 c6 11.f4=) 8.Nf3 a6 9.g4 Be6 10.Bg2 Nc6 11.a3=; D) 7.Nge2 Bd3 (7...Be6 8.d3 0–0 9.f4 Re8 10.e4 Qd8 11.g4=; 7...Nc6 8.a3 0–0 9.b5 Nd8 10.d4 a6 11.de5=; 7...0–0 8.d4 Re8 9.g4 Bg6 10.g5 Ne4 11.Bg2+=; 7...Na6 8.a3 c5 9.b5 Nb8 10.Ng3 Bg6 11.Be2=; 7...a5 8.b5 Be6 9.Qa4 Qd8 10.d4 Nbd7 11.d5+=) 8.Ng3 Bf1 9.Rf1 Qc6 10.Qa4 a5 11.Qc6+=; E) 7.Nf3 0–0 (7...Nc6 8.b5 Nd8 9.d4 e4 10.Nh4 h6 11.Nf5=; 7...a5 8.b5 0–0 9.d4 Rd8 10.g4 Bg6 11.Nh4=; 7...Na6 8.a3 0–0 9.d4 Qe6 10.Be2 c6 11.0–0+=) 8.d4 Nc6 9.de5 Ne5 10.Ne5 de5 11.Qd7=.

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.Qc2 c6 7.a4 (7.Nc3 Nbd7+=) 7...Nbd7 8.Nf3 Re8 (8...e4!? 9.Nd4 Ne5+=) 9.Be2 e4 10.Ng5 (10.Nd4 Ne5+=) 10...d5 11.0–0 Nf8 (11...h6 12.Nh3–/+) 12.f3 (12.bc6!? bc6 13.cd5 cd5 14.f3=) 12...h6+= 13.Nh3 Bh3 14.gh3 Qd7 15.fe4 (15.bc6 bc6 16.fe4 de4 17.Bf6 Bf6–/+) 15...de4–/+ (15...Ne4 16.Nc3 Qh3 17.Ne4 de4 18.c5+=) 16.Bf6 Bf6 17.Bg4 Qe7 18.Nc3 Rad8 19.Rf2 (better is 19.Rab1–/+) 19...Rd3 (better is 19...Nd7–/+) 20.Raf1= Bc3 21.dc3 (21.Rf7 Qc5 22.dc3 h5=) 21...Qg5 (21...f6 22.Qc1 Ne6–+) 22.Rg2? (better is 22.Rf7 h5 23.Qf2 hg4 24.Rf8 Rf8 25.Qf8 Kh7 26.Qf4 Qf4 A) 27.ef4? gh3 (27...Rc3?! 28.bc6 bc6 29.hg4=) 28.f5 Rc3–+; B) 27.Rf4 gh3 28.Re4 Rc3 29.bc6 bc6 30.Kf2=) 22...Qe3–+ 23.Qf2 Qf2 24.Rff2 (better is 24.Rgf2 Re7 25.Rc2–+) 24...Rc3 25.Rc2 Rc2 26.Rc2 g6 27.h4 (27.bc6 bc6 28.Kf2 f5–+) 27...f5 28.Bh3 (28.Bd1 Rd8 29.Rc1 Ne6–+) 28...e3 (28...Ne6 29.Kf2–+) 29.Bf1 (29.Re2 Re5 30.Kf1 Ne6–+) 29...Ne6 30.Rg2 (30.bc6 bc6 31.Rb2 Nd4–+) 30...Nf4 (30...Nf4 31.Rb2 e2 32.Be2 Re2–+) 0–1. Kasachev,Yuriy – Valiullina,Luiza (1945), Astrakhan Open, 2011.

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 (7.Be2 c6 (7...Nb6 8.Nf3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Be6=; 7...d5 8.Nf3 dc4 9.dc4 Bd6 10.0–0 Qe7 11.Qc2 Nc5=; 7...a6 8.Nf3 c6 9.bc6 bc6 10.Nc3 Rb8 11.Rb1 d5=) 8.Nf3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 cb5+=) 7...b6 (7...a6 8.Be2+= ab5 9.cb5 Nb6 10.a4 Nbd5 11.0–0 Ng4=) 8.Be2= Bb7 (8...a6 9.0–0 Bb7 10.Nc3 ab5 11.cb5 c6=) 9.0–0 a5 (9...a6 10.a4 (10.Nc3= ab5 11.cb5 c5=) 10...ab5 11.ab5 Ra1=) 10.a4 (10.Nc3 Re8 11.a3 e4+=) 10...h6 (10...e4 11.Nd4 Re8=) 11.Nbd2 (11.d4 ed4+=) 11...Nh7 (11...Re8=) 12.Nb3 f5 13.h3 Ng5 14.Ng5 Bg5 15.f4 Bf6 16.d4 ef4 17.ef4 (worse is 17.Rf4 Bg5–/+) 17...Qe7 18.Qd2 g6 (18...Rae8 19.Bd3 Be4 20.Rae1=) 19.Rae1 Qg7 (19...Bh4 20.Rc1=) 20.Ba1 (20.Bf3 Bf3 21.Rf3 Qf7+=) 20...Bh4 21.Rc1 Nf6 (21...Rae8 22.d5 Qe7 23.Bd3=) 22.d5+= Ne4 (22...Qe7 23.Qd3 Ne4 24.Rf3=) 23.Qd3 (23.Bg7!? Nd2 24.Bf8 (24.Nd2?! Kg7 25.Nf3 Rae8=) 24...Nb3 25.Bh6+/–) 23...Qf7 24.Rf3 Rae8 25.Kh2 (25.Rcf1 Re7=) 25...Qe7 (25...Re7 26.Rc2+=) 26.Nd4 Bf6 27.Ne6 (27.Re1 Qg7=) 27...Rf7 28.g3 (28.Bf6 Rf6 29.Qc2 Bc8=) 28...Bc8 (28...Nc5 29.Qd2–/+) 29.Bf6 (29.Nd4 Nc5 30.Qd2 Qe4+=) 29...Qf6 30.Nd4 Nc5 31.Qd1 Na4! 32.Nc6 (32.Qa4 Qd4) 32...Nc5 33.Rcc3 Bd7 34.Bf1 Bc6 35.dc6 Rfe7 36.Qd5 Kg7 37.Ra3?? (37.Rc2 Re4 38.Ra3 Qd4–+) 37...Re1 (better is 37...Qb2 38.Kg1 Re1–+) 38.Ra2 Ne4 39.Qd3 Nc5 40.Qd5 R8e4 41.Qd2 Qe6 42.Rf2 R4e3 43.Re2 R1e2 44.Be2 Kg8 45.h4 (45.Bf1 Rg3! 46.Bg2 Qe3–+) 45...Rg3!! 46.Qd1 (46.Kg3 Ne4) 46...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 7.Nf3 e4 8.Nfd2 c6 9.Nc3 cb5 (9...d5 10.Qb3 Nb6 11.c5 Nbd7 12.Be2=) A) 10.Nde4 b4 (10...Ne4 11.Ne4 bc4 12.Bc4=) 11.Nf6 Nf6 12.Nd5=; B) 10.Nb5 d5 11.cd5 Nb6= 12.d6=.

6.d4 Nbd7 7.Nf3 e4 8.Nfd2 c6 9.bc6 bc6 10.Nc3 Rb8 (10...d5 11.Rb1 Qa5 12.c5=) 11.Rb1 d5= (11...Qa5 12.Qc2=) 12.Be2=.

6.d4 Nbd7 7.Nf3 e4 8.Nfd2 d5 9.Nc3 c6 (9...Nb6 10.c5 Nbd7 11.Be2 a6 12.Qa4=) 10.Be2 cb5 11.cd5 Nb6 12.Nde4=.

6.Be2 c5 A) 7.Nc3 A1) 7...Bf5 8.d3 a6 9.a4 (9.Nf3 ab5 10.Nb5 Nc6 11.0–0 Qd7 12.d4=) 9...Qa5 10.Qd2 A11) 10...b6 A111) 11.Nf3 Re8= (11...Ra7 12.0–0= ) 12.0–0=; A112) 11.Bf3 Ra7 12.Nge2=; A12) 10...Qb6 11.Nf3 ab5 12.ab5=; A2) 7...a6 8.ba6 (8.d3 d5 9.Nd5 Nd5 10.cd5 Qd5 11.Bf3 Qd6 12.Qb3+=) 8...Ra6 9.Nf3 Nc6 10.0–0 Bf5 11.d4 Qb6= (11...cd4 12.ed4=) 12.Nb5= ; A3) 7...d5 8.cd5 Nd5 9.Nf3 Nc3 10.dc3 e4 11.Nd2 Bf5= 12.Qa4=; B) 7.d3 B1) 7...a6 B11) 8.ba6 Na6 (8...Ra6 9.Nf3 Nc6 10.0–0 Bf5 11.Nc3 Qd7 12.e4=) 9.Nf3 Qb6 (9...Nb4 10.Nc3 Nc6 11.Qb3 Na5 12.Qd1=) 10.Qb3 (10.Bc3 Nb4 11.a3 Nc6 12.Nbd2+=) 10...Qb3 11.ab3 Bf5= 12.Bc3+=; B12) 8.a4 Nbd7 9.Nf3 Re8 10.0–0 Qc7 11.Nc3 ab5 12.Nb5= ; B2) 7...Nbd7 8.Nf3 (8.Nc3 Qa5 9.Nf3 a6 10.0–0 Re8 11.Qb3 Qb4 12.Qc2=) B21) 8...a6 9.Nc3 ab5 10.Nb5 Nb6 11.a4 (11.0–0 Na4= 12.Bc1=) 11...Bd7 12.0–0= ; B22) 8...Qa5 9.Qd2 Qd2 10.Nbd2 Re8 11.0–0 a6 12.a4=.

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 (7...a6 8.Nf3+=) 8.a4 (8.Nf3 e4 9.Nd4 a6=) 8...Re8 9.Qc2 (9.Nf3 e4 10.Ng5 d5+=) 9...g6 (9...d5 10.Nf3 e4 11.Ne5+=) 10.h3 (10.Nf3 Qc7+=) 10...Qc7 (10...d5 11.cd5 cd5 12.Rc1=) 11.Bf3 (11.Nf3 d5=) 11...d5 (11...a6 12.Qd3+=) 12.Be2 (12.bc6 Bc6 (worse is 12...bc6 13.cd5 cd5 14.Qb3+=) 13.cd5 Bd5=) 12...Be6 (12...d4 13.Nd1 Bf5 14.Qb3+=) 13.d3 (13.cd5 cd5 14.Rc1 Bf5=) 13...Qa5 (13...d4 14.Nb1+=) 14.Nf3= Nbd7 15.0–0 Qc7 (15...dc4 16.dc4 cb5 17.ab5=) 16.Ng5+= Bf5 (16...Nf8 17.Bf3=) 17.e4 (17.g4 Be6+=) 17...Be6+= 18.Ne6 (18.ed5 cd5 19.Bf3 d4 20.Ne6 fe6+=) 18...fe6 19.Bg4 (19.cd5 cd5 20.Rfc1 Rac8=) 19...Ng4= 20.hg4 d4 (20...cb5 21.Nb5 (worse is 21.cd5 b4–/+; 21.cb5? d4–+) 21...Qc6 22.Qe2=) 21.Ne2 Bg5 (21...cb5 22.ab5 a6 23.ba6 ba6 24.Ba3=) 22.Bc1 Bc1 23.Qc1 (23.Rfc1 Rf8=) 23...a6 (23...Nc5 24.Ra3=) 24.f4 (24.a5 cb5 25.cb5 Rec8=) 24...Nc5 25.Qc2 Nd7 (25...ef4 26.Rf4 e5 27.Rf3–/+) 26.Qd1 (26.bc6!? bc6 27.f5=) 26...ab5 27.ab5 Ra1 (27...ef4 28.Ra8 (28.Nd4? Qb6–+) 28...Ra8 29.Rf4+=) 28.Qa1 Nf6 (28...ef4!? 29.Rf4 e5+=) 29.fe5= Qe5 (29...Ng4 30.Nd4 Ne5 31.bc6 bc6 32.Qc3=) 30.Qd4 (30.Nd4 Ng4 31.Nf3 Qc5 32.Qd4 Qd4 33.Nd4 e5=) 30...Ng4= Do you see the mate threat? 31.Qe5 Ne5 32.Rd1 (32.Nc1 Kg7=) 32...Rd8 (32...c5=) 33.Nc1 (better is 33.d4!?=) 33...Nc4!–/+ 34.bc6 (34.dc4 A pinning theme 34...Rd1 Theme: Double Attack) 34...bc6 35.Kf2 Ne5 (35...c5 36.Ke2 Na5 37.Rd2–/+) 36.Ke3 (36.Ke2 c5–/+) 36...c5 37.Ke2 (37.Rd2 c4–/+) 37...Rf8 (37...Rb8!?–/+) 38.Nb3+= c4 (38...Rc8 39.Rc1 c4 40.dc4 Rc4 41.Rc4 Nc4 42.Kd3+=) 39.dc4= Nc4 40.Nc5 Re8 41.Nd7 (41.Rd4 Ne5+=) 41...Kg7 (41...Ra8 42.Nc5+=) 42.Nc5 (42.Rc1 Rc8+=) 42...Re7 (42...Kf6 43.Rd4 Ne5 44.Rd6+=) 43.Rd4 (43.g3 Kf6+=) 43...Ne5 44.Ke3 (44.g3 Kf6–/+) 44...g5 (44...Kf6 45.Rd1–/+) 45.Rd6?? Attacks the isolani on e6 (better is 45.Rd1+=) 45...Nc4–+ (45...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 (12...ef3 13.Nf3 Ng4 14.e4–/+) 13.Ne4 Ne4 14.fe4 Be3 15.Nf3 Ra4 16.Be5 Bb6 17.Rc1 Ra2 18.Rf1 (18.Bf4 Nd7–/+) 18...Bd7 19.Bc4 (19.Bc7 Rc8 20.Bf4 Rc1 21.Bc1 Re2 22.Ke2 Bb5 23.Ke1 Ba5 24.Kf2 Bf1 25.Kf1 Nc6–/+) 19...Rg2 20.Bc3 Be6 21.Be6 fe6 22.Ne5 (22.Rd1 Rd1 23.Kd1–+) 22...Rh2 23.Ra1 (23.Nf3 Rg2–+) 23...Rh4 24.Ra4 Bd4! 25.Rd4 (25.Bd4 Theme: Interference 25...Re4 A double attack) 25...Rd4 26.Bd4 Re4 27.Kf2 Rd4 28.Ra1 Nd7 29.Ke3 Rd5 (29...Ne5?! 30.Kd4 Nf3 31.Ke4 Ng5 32.Ke3–/+) 30.Nd7 Rd7 31.Ra7 b6 32.Kf4 Kf7 33.Ke4 h5 34.Ra8 (34.Kf3 g5–+) 34...Rd5 35.Ra7 Rc5 36.Kf3 (36.Ra3 Rb5 37.Ra7 Rc5–+) 36...g5 37.Kg3 Kf6 38.Kh3 e5 39.Ra8 (39.Kg2 g4–+) 39...Rb5 40.Rf8 Ke6 41.Re8 Kf5 42.Rf8 0–1. Pierred (2125) – Nemrod (2595), internet, 2005.

6.Be2 Be6 7.d4 ed4 8.Qd4 (8.Bd4 d5 9.Nd2 c5 10.Bb2 a6 11.ba6 Na6 12.Qb3+=) 8...a6 9.Nc3 c5 (9...ab5 10.cb5 c5 11.Qd2 d5 12.Nf3=) 10.Qd2 Nbd7 11.ba6 ba6+= 12.Nd5+=.

6.Be2 Bf5 7.Nf3 a6 8.0–0 (8.a3 ab5 9.cb5 c5 10.0–0 Nbd7 11.d3 Qa5 12.a4+=) 8...ab5 9.cb5 Nbd7 10.d3 Be6 (10...Re8 11.a4 c6 12.bc6=) 11.Nc3 d5= 12.Ng5=.

6.Nf3 b6 7.Nc3 Bb7 8.Be2 Nbd7 9.0–0 Re8 10.d4 ed4 11.Nd4 Ne5 12.f4 Ng6 13.Bf3 d5 14.Nf5 Bc5 15.Re1 (15.Nd5!? Nd5 16.Bd5 Bd5 17.cd5+=) 15...Nf4 16.Kh1 Ng6 17.Nd5 Bd5 18.Bf6?? (better is 18.cd5 Ne5 19.Rf1+/–) 18...Qf6 (better is 18...Bf3 19.Qd8 Red8 20.Bd8 Bg4 21.Bc7 Bf5–+) 19.Qd5?? (better is 19.Bd5 Qf5 20.Rf1–+) 19...Rad8 20.Qc6 Qf5 21.Qc7 Rd7 (21...Be3?! 22.Re3 Qf6 23.Re8 Re8 24.Rb1=) 22.e4 (22.Qg3 Rd3–+ (22...Be3 23.Bg4 Qc5 24.Bd7+–)) 22...Qe6 23.Qc6 Ne5 24.Qe6 Re6 25.Re2 Red6 (25...Nc4?! 26.Bg4–+) 26.Rc2 Nf3 (26...Rd2!? 27.Rd2 Rd2 28.h3–+) 27.gf3 Rd1 28.Rd1 Rd1 29.Kg2 Kf8 30.Kg3 Ke7 31.Kg4 Rf1 32.Kg3 Rd1 33.Kg4 Ke6 34.f4 Rg1 35.Kf3 Rf1 36.Kg4 Rf2 37.Rf2 Bf2 38.Kf3 Bd4 39.h3 Kd6 40.e5 (40.Ke2–+) 40...Kc5 41.Ke4 Kc4 42.a4 Bc5 43.f5 Be7 44.e6 f6 45.h4 h5 46.Ke3 Kd5 47.Kf4 Kd4 0–1. Purczynski,Andrzej – Wojdak,Jan, 23rd Poznan Open, 2015.

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 (27.Qe7 Rd1 28.Kd1 Qf2 29.Bf6 Rf6 30.Qe8 Rf8 31.Qe6 Kh8 32.Qd6 (32.Qg4 Rd8 33.Qd4 cd4 34.Rg2 Qg2 35.Nb1 de3 36.Kc1 Rf8 37.Nc3 Qd2 38.Kb1 Rf1 39.Nd1 Rd1; 32.Qb6 Qf1 33.Kc2 Rf2 34.Kc3 Qd1 35.Qb8 Kh7 36.Qd8 Qd8 37.Rh3 gh3 38.Nb1 Qf6 39.Kd3 Qf5 40.e4 Qf3; 32.Rg4? Rd8 33.Rd4 Qf1 34.Kc2 cd4 35.ed4 Qf2 36.Kb3 Qd4–+) 32...Qf1 33.Kc2 Rf2 34.Kb3=) 27...Rf7+/– 28.Rf1 (28.Qb6 Rd1 29.Kd1 Ne4 30.Qa5 Nf2 31.Kc2 Nd1 32.Qd2 Rf2–+) 28...Qh7 29.Rgg1 Rd6 30.Qe5 (30.Qc8 Rd8 31.Qc7 Ne4+=) 30...Bf8 (30...Ne4 A) 31.Rg4?? Nd2 32.Rg7 Rg7 (32...Qg7?! 33.Qg7 Rg7 34.Rd1 Nb3 35.Kc2 Rd1 36.Kd1 Rg1 37.Kc2 Na1 38.Kd3–+) 33.Qg7 Qg7 34.Bg7 Nf1–+ (34...Kg7?! 35.Rd1 Ne4 36.Rd6 Bd6 37.f4–/+); B) 31.Rh1 Qf5 32.Rh5 Qe5 33.Re5 Nf2 34.Rf2 Rf2 35.Re7–+) 31.Rd1 (31.Rh1 Qe4 32.Qh2 Nh7=) 31...Rfd7 (31...Rd1 32.Rd1 Ne4 33.Rd8 Nf2 34.Kd2+=) 32.Qc3 (32.Rd6 Rd6 33.Rd1 Rd1 34.Kd1 Qd3 35.Kc1 Qf1 36.Kc2 Qf2 37.Kd3–+) 32...Rd1= 33.Rd1 Rd1 34.Kd1 Ne4 35.Qe1 Qf5 36.Nc2?? (better is 36.Kc2–/+) 36...Nf2–+ (36...Qf2?! 37.Qf2 Nf2 38.Ke2–/+) 37.Kd2 g3 38.Qg1 (38.Qf1–+) 38...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.d3 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.d4 e4 11.bc6 bc6+=.

7.a4 Nbd7 8.Nf3 Qa5 9.Qd2 Qc7 10.Nc3 0–0 11.Be2=.

7.a4 Nbd7 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 Nb6 11.Be2 Be6=.

7.a4 Be6 8.Nf3 ab5 9.ab5 Nbd7 10.Ra8 Qa8 11.Be2 Qa2=.

7.a4 Re8 8.Nf3 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nc3 Qa5=.

7.Qa4 Nbd7 8.Nc3 Nb6 9.Qb3 ab5 10.Nb5 0–0 11.Nf3+=.

7.d4 e4 (7...Nbd7 8.Be2 ab5 9.cb5 e4 10.d5 Nc5 11.Nc3 Bg4+=) 8.d5 Nbd7 9.Be2 Nc5 10.Nc3 Bf5 11.f3 Re8–/+.

6.d4 ed4

7.Qd4 a6 8.a4 Nbd7 9.Nf3 Nc5 10.Nbd2 Re8 (10...Nh5 11.Qd5 Bg4 12.Be2 Nf6+=) 11.Be2 Nh5 12.Ne4 (12.Qd5 Bf6 13.Bf6 Nf6+=) 12...Ne4 (12...Nb3 13.Qd5 Na1 14.Qh5 g6=) 13.Qe4= Bf6 14.Bf6 Nf6 (14...Re4?? 15.Bd8 ab5 16.Nd2+– (worse is 16.cb5 Rea4 17.Ra4 Ra4+–; worse is 16.Bc7 Ra4 17.Rc1 Rec4 18.Bc4 bc4+–)) 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 a6 8.Nc3 ab5 9.cb5 c5 10.bc6 Nc6 11.Qd2 d5 12.Nf3 Bb4+=.

7.Qd4 a6 8.Bd3 ab5 9.cb5 d5 10.Nf3 c5 11.Qc3 c4 12.Bc2 Qb6+=.

7.Qd4 a6 8.Bd3 Nbd7 9.Nf3 ab5 10.cb5 Nc5 11.0–0 Ra4 12.Qc3 Be6+=.

7.Qd4 a6 8.Bd3 Be6 9.Nf3 ab5 10.cb5 Nbd7 11.Nc3 Ne5 12.Be2 Nfd7=.

7.Qd4 a6 8.Bd3 Be6 9.Nf3 ab5 10.Ng5 g6 11.cb5 Nbd7 12.Nc3 Nc5=.

7.Qd4 a6 8.Nf3 ab5 9.cb5 Be6 10.Bd3 Nbd7 11.Nc3 Ne5 12.Be2 Nfd7=.

7.Qd4 a6 8.Nf3 c5 9.Qc3 ab5 10.cb5 d5 11.Be2 Re8 12.0–0 Bd6=.

7.Qd4 a6 8.Nf3 c5 9.Qh4 Ng4 10.Qg3 ab5 11.cb5 Bf6 12.Bc3 Bf5–/+.

7.Qd4 a6 8.Nf3 Be6 9.Bd3 ab5 10.Ng5 g6 11.cb5 Nbd7 12.Nc3 Nc5=.

7.Qd4 a6 8.Nf3 Be6 9.Ng5 ab5 10.Bd3 g6 11.cb5 Nbd7 12.Nc3 Nc5=.

7.Qd4 c5 8.Qd3 (8.Qf4 d5 (8...Be6 9.Nc3 a6 10.Nf3 Qa5 11.ba6 Na6 12.Be2 d5=) 9.Bd3 Be6 10.Nf3 a6 11.0–0 dc4 12.Bc4 ab5+=; 8.Qh4 Ng4 9.Qh5 Be6 10.h3 g6 11.Qh7 Kh7 12.hg4 Bh4+=; 8.Qc3 a6 9.ba6 Na6 10.Nf3 Bf5 11.Nbd2 Nb4 12.e4 Bg4=) 8...a6 9.a4 Be6 (9...d5 10.Nf3+= Re8 11.Nbd2 Bg4 12.Be2 dc4=) 10.Nf3= (10.e4 Nbd7 11.Nf3 Ng4 12.Nbd2 Nge5+=) 10...ab5 11.ab5 Ra1 12.Ba1 Qa5 (12...Nbd7=) 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.Qd4 Nbd7 8.Be2 a6 9.Nf3 Nc5 10.Nc3 Bf5 11.0–0 Re8 12.Rfd1 Qd7=.

7.Qd4 Nbd7 8.Be2 Nb6 9.Nc3 a6 10.Nf3 ab5 11.cb5 d5 12.0–0 Re8=.

7.Qd4 Nbd7 8.Be2 Nb6 9.Nf3 Na4 10.Bc3 a6 11.0–0 ab5 12.cb5 Be6=.

7.Qd4 Nbd7 8.Be2 Nc5 9.Nf3 Na4 10.Bc3 Nc3 11.Nc3 a6 12.0–0 Be6=.

7.Qd4 Nbd7 8.Be2 Nc5 9.Nf3 a6 10.Nc3 Re8 11.0–0 Bf5 12.Rfd1 Qd7=.

7.Qd4 Nbd7 8.Nf3 Nc5 9.Be2 Na4 10.Bc3 Be6 11.0–0 a6 12.Ng5 ab5=.

7.Qd4 Nbd7 8.Nf3 Nc5 9.Be2 Re8 10.Nc3 Bf5 11.0–0 a6 12.Rfd1 Qd7=.

7.Qd4 Be6 A) 8.Nf3 a6 9.Bd3 ab5 10.Ng5 h6 11.Ne6 fe6 12.cb5 c5+=; B) 8.Ne2 a6 (8...c5 9.Qd3 a6 10.a4 Ng4 11.Nec3 ab5 12.ab5 Ne5+=) 9.Nf4 ab5 10.cb5 c5 11.Qc3 d5 12.Be2 Bd6+=; C) 8.Be2 a6 9.Nc3 c5 10.Qd2 Nbd7 11.ba6 ba6 12.Nd5 Rb8+=; D) 8.Bd3 d5 (8...Nbd7 9.Nf3 Nc5 10.Ng5 h6 11.Ne6 fe6 12.Bg6 e5=) 9.cd5 Qd5 10.Nf3 Rd8 11.0–0 a6 12.Rc1 Qh5+=; E) 8.Nh3 Bh3 9.gh3 a6 10.Bg2 ab5 11.cb5 d5 12.0–0 Re8+=; F) 8.Nc3 Nbd7 9.Nf3 Nb6 10.Bd3 d5 11.cd5 Nbd5 12.Nd5 Bd5=.

7.Qd4 Bf5 8.Nf3 c5 (8...a6 9.Bd3 c5 10.Qc3 Bd3 11.Qd3 ab5 12.cb5 d5=) 9.Qf4 Qd7 10.Nh4 Be6 11.Bd3 Nh5 12.Qf3 Bg4+=.

7.Bd4 c5 8.Bc3 A) 8...Be6 9.Nf3 d5 10.Nbd2 (10.cd5 Nd5 11.Qc2 Bh4 12.Nh4 Qh4 13.g3+=) 10...a6 11.ba6 Na6 12.Qb1 Qc8= (12...b6 13.Bd3=) 13.Ng5=; B) 8...a6 9.ba6 Na6 10.Nd2 d5 11.Ngf3 Re8 12.Be2 Nc7 13.Qb3+=; C) 8...d5 9.cd5 (9.Nf3 Be6 10.cd5 Nd5 11.Qc2 Bh4 12.Nh4 Qh4+= 13.g3+=) 9...Nd5 10.Qc2 Bf6 11.Bc4 Nc3 12.Nc3 Bf5 13.Qb3+=.

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 (better is 17...Ra8+/–) 18.Ra7+– Rc7?! (18...Rb8+–) 19.e4 Nf6 (19...Nc8 20.ed5 Na7+–) 20.Bb6 (20.Bb6 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 A) 7...Nbd7 A1) 8.ba6 ba6 (8...Ra6 9.Nf3 ed4 10.Bd4 Re8 11.0–0 Nc5 12.Bc5=) 9.Nc3 ed4 A111) 10.Qd4 Nc5 11.Nf3 (11.Bf3 Rb8–/+ 12.Rb1–/+) 11...Rb8 12.Nd5+=; A112) 10.ed4 d5 11.c5 Rb8 12.Rb1=; A2) 8.Nc3 ab5 9.cb5 Re8 10.de5 Ne5 11.Nf3 Be6 12.Ne5+= ; A3) 8.Nd2 ab5 9.cb5 e4 10.Nh3 Nb6 11.Nf4 Na4 12.Rb1+= ; A4) 8.Nh3 ab5 9.cb5 e4 10.Nf4 Nb6 11.a4 d5 12.a5+= ; A5) 8.a4 ed4 9.Bd4 ab5 10.cb5 Nc5 11.a5 c6 12.bc6= ; B) 7...e4 B1) 8.Qa4 Be6 9.d5 Bf5 10.Bd4 Nbd7 11.ba6 Nc5 12.Qb5+= ; B2) 8.d5 Nbd7 9.Nc3 Nc5 10.Qd4 (10.Rc1 Bf5 11.a3 Nfd7 12.Na4–/+) 10...Bf5 11.f3 (11.Rd1 Ne8 12.Qd2–/+ ) 11...ab5+= 12.cb5+=; B3) 8.a4 ab5 9.ab5 Ra1 10.Ba1 d5 11.Nd2 c6 12.bc6+= ; B4) 8.ba6 Na6 9.Nc3 d5 10.a3 dc4 11.Bc4 c6 12.Nge2+= ; C) 7...ab5 8.de5 de5 9.Qd8 Rd8 (9...Bd8 10.cb5 e4 11.Nd2 Be6 12.Bc4+=) 10.Be5 Nc6 11.Bc7 Rd7–/+ 12.cb5–+.

7.Nf3 A) 7...Be6 8.a4 (8.Ng5 Bf5 9.0–0 ab5 10.cb5 Nd5 11.Nf3 Nd7+= 12.Nc3+=; 8.ba6 Na6 9.0–0 Nc5 10.d4 Na4 11.Qb3 Nb2 12.Qb2+=) 8...ab5 9.ab5 Nbd7 10.Ra8 Qa8 11.0–0 Nb6 12.d3=; B) 7...Bg4 B1) 8.0–0 ab5 9.cb5 Nbd7 10.d3 c6 (10...Ra5 11.a4 Qa8= 12.Bc3=) 11.bc6 bc6 12.Qc2= ; B2) 8.d3 ab5 9.cb5 c6 10.a4 Qa5 11.Bc3 Qc7 12.0–0+= ; B3) 8.a4 e4 9.Nd4 Be2 10.Qe2 Nbd7 11.f3 ab5 12.ab5= ; C) 7...e4 8.Nd4 ab5 9.cb5 C1) 9...Nbd7 10.0–0 Nc5 11.Nc3 (11.d3 ed3 12.Bd3= ) 11...d5= 12.d3=; C2) 9...c5 10.bc6 bc6 11.d3 c5 12.Nb5=; D) 7...Bf5 8.0–0 (8.a3 ab5 9.cb5 c5 10.0–0 Qb6 11.Nc3 e4 12.Ne1+=) 8...ab5 9.cb5 Nbd7 10.Nc3 d5 11.d4 e4 12.Nd2+=; E) 7...ab5 8.cb5 c5 (8...e4 9.Nd4 c5 10.bc6 bc6 11.d3 c5= 12.Nb5=) 9.0–0 Qb6 10.Nc3 e4 11.Ne1 d5 12.f3+=.

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 (8.d4 ed4 9.Qd4 (9.ed4 Ne6= 10.Nf3 Nf4 11.0–0 Re8=) 9...Re8 10.Nf3 Bf5 11.0–0 a6=; 8.Nf3 e4 9.Nd4 a6 10.0–0 ab5 11.cb5 d5=) 8...d5 (8...e4 9.d4 ed3 10.Bd3 Nfd7 11.Nd5 Ne5+=) 9.cd5 (9.d4 ed4 10.Qd4 dc4 11.Bc4 Be6+=) 9...Nd5 10.d4 (10.Na4 e4 11.Nc5 Bc5+=) 10...ed4 11.Nd5 (11.Qd4!? Nb4 12.Kf1 Qd4 13.ed4+=) 11...Qd5–/+ 12.Bf3 (12.Qd4 Qg2 13.Bf1 Qg6–/+) 12...Qc4–+ 13.Be2? (better is 13.Bd4 Qb5 14.Ne2–+) 13...Qb4 14.Qd2 Qd2 15.Kd2 de3 (better is 15...Ne4 16.Ke1 Bb4 17.Kf1 Nd2 18.Ke1 Nc4 19.Kf1 Nb2 20.ed4–+) 16.Ke3 Re8 17.Kf3 b6 18.Be5 Bb7 19.Kg3 (19.Kg4 h5! 20.Kg3 Ne4 21.Kh2 Nf2 22.Bh5 Nh1 23.Kh1 Bd6 24.Bd6 cd6–+) 19...Ne4 20.Kf3 (20.Kh2 Nf2 21.Bc7–+) 20...Bc5 21.Bg3 (21.Bc7 Nf2 22.Kg3 Nh1 23.Kh2 Bg1 24.Rg1 Re2 25.Kh1 Ra2 26.Kh2–+) 21...Nf2 0–1. Kleist,Werner (1715) – Didzuhn,Werner (1710), 02 sen. HSenEM06 (Bad Sooden op), 2006.

7.d3 a6 8.a4 b6 (8...d5 9.Nf3+=) 9.Nd2 Bb7 10.Ngf3 ab5 11.ab5 Nc5 Black intends e4 (11...Ra1 12.Qa1 Re8 13.0–0=) 12.Ra8 Qa8 13.Qc2 e4 (13...Qa2 14.0–0 Na4 15.Rb1=) 14.de4 Nfe4 15.0–0 Nd2 16.Qd2 1–0. GuestVHRJ – GuestXDGUF, freechess.org, 2017.

7.Nf3 a6 8.0–0 (8.Nc3 ab5 9.cb5 d5 10.0–0 Bd6 11.d3 Re8 12.Qc2+=) 8...ab5 9.cb5 Re8 10.Qc2 e4 11.Nd4 Nc5 12.f3=.

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 a6 (8...Nc5 9.0–0 a6 10.Nc3 ab5 11.cb5 d5 12.d3=) 9.0–0 Nc5 (9...ab5 10.cb5 Nc5 11.Nc3 d5 12.d3=) 10.d3 ab5 (10...ed3 11.Bd3 ab5= 12.cb5=) 11.cb5 Re8 12.de4+=.

7.Nf3 Re8 8.Qc2 (8.Nc3 Nb6 9.d4 ed4 10.Nd4 a6 11.0–0 ab5 12.cb5=; 8.d3 a6 9.0–0 ab5 10.cb5 Nc5 11.Nc3 Bg4 12.d4=; 8.0–0 a6 9.ba6 Ra6 10.d4 ed4 11.Nd4 Nc5 12.Nc3=; 8.d4 ed4 9.Nd4 a6 10.Nc3 Ne5 11.0–0 ab5 12.cb5=) 8...a6 9.0–0 ab5 10.cb5 e4 11.Nd4 Nc5 12.f3=.

6.Nf3 a6

7.a3 ab5–/+ 8.cb5 Nbd7 (8...e4 9.Nd4+=) 9.Nc3 (9.Be2 e4 10.Nd4 Ne5+=) 9...Nc5 (9...e4 10.Nd4+=) 10.Be2 (10.d4 ed4 11.Nd4 Re8=) 10...Bg4 (10...Be6 11.d4 ed4 12.Nd4=) 11.0–0 (11.d4 ed4 12.Nd4 Be2 13.Qe2 Re8=) 11...e4+= 12.Ng5 (12.Ne1!? Be2 13.Qe2+=) 12...Be2–/+ 13.Ne2 Nd3 (13...Qd7 14.Nd4–/+) 14.Bc3 (14.Bd4 h6 15.Nh3 c5 16.bc6 bc6+=) 14...h6 (14...Qd7 15.a4–/+) 15.Bf6 (15.Nh3 d5+=) 15...Bf6–/+ (15...hg5?! 16.Be7 Qe7 17.Nc1 Nc1 18.Qc1=) 16.Ne4 Ba1 17.Qa1 d5 (17...Qe7 18.N4g3–/+) 18.N4c3 (18.N4g3 Re8–/+) 18...Qd6 (18...c5 19.bc6 bc6 20.Qb1–/+) 19.a4 (19.Qb1 Ne5 20.a4 c5–/+) 19...Nc5 (19...c5 20.bc6 bc6 21.Nc1–/+) 20.Qa2 (20.d4 Ne4+=) 20...c6 (20...Ne6 21.d4+=) 21.Nd4 (21.bc6 bc6 22.d4 Ne6+=) 21...g6 (21...Qg6 22.Ra1–/+) 22.f4 (22.Qc2 Ra5+=) 22...Ne4 23.Ne4 de4 24.Qc2 (24.bc6 bc6 25.f5 Qd5+=) 24...c5 (24...cb5 25.ab5 f5–/+) 25.Ne2? (25.Nb3!?+=) 25...Qd3 (25...Rfd8 26.Nc3 f5 27.Qb3 Kh7 28.Rd1–/+) 26.Qd3–/+ ed3 27.Nc3 Rfd8 (27...f5 28.Ra1 Rfd8 29.Nd1–/+) 28.f5 b6 (better is 28...g5–/+) 29.fg6+= fg6 (29...Kg7 30.Rf7 Kg6 31.Rc7+=) 30.Rf6+/– Rab8 31.Rg6 Kh7 32.Rc6 Rf8? (32...Kg7 33.e4+/–) 33.g3 (33.Nd5 Rf7 34.Nb6 Ra7+–) 33...Kg7? (33...Rfd8 34.e4 Rdc8 35.Nd5+–) 34.h3 (better is 34.Nd5 Rfc8 35.Rd6+–) 34...Rf6 (34...Rf5 35.Rd6+/–) 35.Rc7 (35.Nd5 Rc6 36.bc6 c4+–) 35...Kg6 (35...Rf7 36.Rf7 Kf7 37.e4=) 36.Kg2 (36.Nd5 Rd6 37.e4 h5+–) 36...Kf5 (36...Rbf8 37.Ne4 Re6 38.Nf2+=) 37.g4 (37.Rd7!?+/–) 37...Ke5+= 38.Kg3 (38.a5 Rbf8 39.ab6 Rf2 40.Kg3 R8f3 41.Kh4 Rh2 42.Rc5 Ke6+/–) 38...Rbf8 (38...Ra8 39.e4+=) 39.Re7 (39.a5 Rf2 40.ab6 R8f3 41.Kh4 Rh2 42.Rc5 Ke6+/–) 39...Kd6 40.Rb7 (better is 40.Rh7 Ke5 41.e4+=) 40...Rf3?? (better is 40...Ke5=) 41.Kh4+– R3f6 42.Ne4 (42.Rb6!? Ke5 43.Rf6 Rf6+–) 42...Ke5 (42...Kd5 43.Nf6 Rf6 44.Rd7 Kc4 45.Rc7+–) 43.Nf6 Rf6 44.Kh5 (44.Kg3 Kd5+–) 44...Ke4 (44...c4 45.Rc7 Kd5 46.e4 Kd4 47.Rc6+/–) 45.Rh7 (45.h4 c4 46.Rc7 Kd5+–) 45...Kf3 (45...c4 46.Rc7 (46.Rh6?? Rh6 47.Kh6 c3–+) 46...Kd5 47.Rc8+–) 46.Rh6 Rg6?? (46...Rh6 47.Kh6 c4+/–) 47.Rg6 1–0. DEFFM – GuestNDLS, freechess.org, 2016.

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 c6

7.a4 a6 8.Nc3 h6 9.Be2 c5 (9...e4 10.Nd4=) 10.h3 (10.0–0 ab5 11.ab5 Ra1 12.Qa1 Be6+=) 10...Be6 (10...e4 11.Nh2=) 11.0–0 (11.d3 Nbd7=) 11...b6 12.Qc2 (12.d3 Nbd7=) 12...Nbd7 (12...Re8=) 13.h4 (13.d4 ed4 14.ed4 d5+=) 13...a5 (13...Ng4 14.h5+=) 14.Nh2 (14.Rad1 Ng4=) 14...Rc8 (14...d5 15.cd5 Nd5 16.Nd5 Bd5 17.Bf3 Bf3 18.Nf3=) 15.f4+= ef4 16.Rf4 (16.ef4 Nb8+=) 16...Qc7 (16...Ne5 17.h5+=) 17.Raf1 d5 (17...Ne5 18.h5=) 18.cd5+= Bd5 19.Nd5 (19.Rf6 Nf6 20.Rf6 Bg2 21.Kg2 Bf6+/–) 19...Nd5= 20.Rg4 (20.Rf5 N5f6=) 20...N7f6 (better is 20...Bf6=) 21.Rf6?? (better is 21.Rc4=) 21...Nf6–+ 22.Rg7?? (better is 22.Rc4–+) 22...Kg7 23.Qf5 (23.Nf3–+) 23...Qd8 (better is 23...Qg3 24.Nf3 Qg6–+) 24.Bd3 Rh8 25.Ng4 c4 26.Be4?? (better is 26.Nf6 cd3 27.Nh5 Kf8 28.Nf4–/+) 26...Rc5 1–0. GuestPQNG – Guyppp, freechess.org, 2016.

7.a4 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 e4 11.Nd4 c5 12.Nb3 b6 13.0–0 Nfd7 (13...d5 14.d4 ed3 15.Bd3 dc4 16.Bc4=) 14.f3 (14.Nc3 Nf6+/–) 14...Bb7 (14...ef3 15.Bf3 Ne5 16.Bd5+=) 15.fe4+/– Be4 16.Nc3 Bg6 17.Nd5 Ne5 (17...Be4 18.Nf4+=) 18.d4 (worse is 18.Ne7 Qe7 19.Rf4 Qe6=) 18...cd4 19.ed4 Ned7 20.Bf3 Nf6 21.Ne7 (21.Nf4 Bf5+/–) 21...Qe7+= 22.Re1 Qd8 (22...Qc7 23.Nd2+=) 23.d5+/– Nbd7 (23...Nfd7+/–) 24.Bc3 (better is 24.Nd4!?+/–) 24...Qc7+= 25.Qe2 (25.Nd2+=) 25...Nc5 (25...Re8!? 26.Qf1 Re1 27.Be1 Ne5=) 26.Bf6 (26.Nc5 Qc5 27.Qf2 Qc4 28.Bf6 gf6 29.Qb6 Qb4+=) 26...Nb3+= 27.Bb2 Qc5 28.Kf1 (28.Kh1 Qb4=) 28...Nd4 (28...f6 29.Bg4+=) 29.Qf2? (better is 29.Bd4 Qd4 30.Rd1=) 29...Bd3–+ (29...Bd3 30.Kg1 Nf3 31.gf3 Bc4–/+ (worse is 31...Qc4 32.Qd4 Qd4 33.Bd4+=)) 0–1. GuestQMHP – GuestMZQV, freechess.org, 2017.

7.a4 a6 8.Be2 Bd7 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Qb6 13.Nc3 Rc8 14.h3 (14.e4 Qa5=) 14...h6 (14...Bf5 15.d3+=) 15.d4 (15.e4 Qa5=) 15...e4 16.Nd2 d5 17.Qb3 Be6 (17...Qe6 18.Bb2=) 18.Bb2 ½–½. Stecyk,Jozef – Wojna,Grzegorz, Zlota Wieza Pultusk POL, 2008.

7.a4 Bd7 8.Be2 a6 9.Nc3 e4 10.Ng5 h6 (better is 10...d5+=) 11.Nge4+/– d5 12.cd5 Ne4 13.Ne4 cd5 14.Nc3 ab5 15.ab5 Ra1 16.Qa1 Bf6 (16...Be6 17.0–0+/–) 17.d4 (17.Nd5 Bb2 18.Qb2 Bf5+–) 17...Qb6? (17...Be6 18.0–0+–) 18.0–0 (better is 18.Nd5!? Qe6 19.Nf6 Qf6+–) 18...Be6 19.Na4 Qa5 20.Bc3 Qc7 21.Nc5 b6 22.Na6 Qd7 23.Bb4 Rc8 24.Qa3 Na6 25.ba6 Ra8 26.Rc1 g6 (26...Bg4 27.Bg4 Qg4 28.a7+–) 27.Bd6 Bd8 28.Qb4 Qa7 29.Bb5 Bd7 30.Be2 Kh7?? (30...Be6 31.Qb5 Kh7+–) 31.Be5+– b5 (31...Bf5+–) 32.Qf8 Bf6 (32...f6 33.Rc7 fe5 34.Qf7 Kh8 35.Rd7 Qd7 36.Qd7 Bh4 37.de5 Rf8+–) 33.Qd6 (33.Qf7 Kh8 34.Bf6) 33...Be5+– 34.de5 Be6 (34...Be8 35.Ra1+– (35.Qd5?! Qa6 36.Bf3 Rc8+/–)) 35.Bb5 Qb8 (35...Kg7 36.Qc7+–) 36.Be2 (better is 36.Qb8 Rb8 37.Bc6+–) 36...Qb2 37.Re1 Qd2 38.Kf1 Qc3 39.Rd1 h5 40.g3 Bh3 (40...Qb2 41.f3+–) 41.Kg1 Qc2 42.Re1?? (42.Bf3 Be6 43.Ra1 Qc3+–) 42...Qe4?? (better is 42...Qd2 43.Rb1 Qe2 44.Qd5 Ra7–+ (44...Ra6?? 45.Qf7 Kh6 46.Qf8 Kh7 47.Rb7 Bd7 48.Rd7)) 43.Bf1+– Bg4 (43...Bf1 44.Rf1 h4 45.Qf6+–) 44.Bg2 Bf3 (44...Qd3+–) 45.Bf3 Qf3 46.Qc6 Ra7 47.Qb6 Re7 (47...Rd7+–) 48.a7 d4 49.ed4 (better is 49.Qb8!? de3 50.Re3 Qd1 51.Kg2 Qd5 52.Rf3 Ra7 53.Qa7 Kg7+–) 49...h4 (49...Qa3 50.d5+–) 50.Qb8 (better is 50.Ra1 Re8 51.Qb8+–) 50...Ra7 51.Qa7?? (better is 51.Qd8 hg3 52.Qh4 (52.fg3?! Ra2 53.Qh4 Kg8 54.Qd8 Kh7 55.Qh4 Kg8 56.Qd8 Kh7=) 52...Kg7 53.Qg3+– (53.fg3?! Ra2 54.Qf6 Qf6 55.ef6 Kf6+/–; worse is 53.hg3 Ra2 54.g4 Qf4+/–)) 51...h3= 52.Kf1 Qg2?? (better is 52...Qd3 53.Kg1 Qf3=) 53.Ke2+– Qh2 (53...Qd5 54.Kd2 Qe6 55.Qc5+–) 54.Qa8 (54.Qf7 Kh6 55.Rc1 Qg2 56.Qf8 Kh5 57.Qh8 Kg4 58.Qh4 Kf5 59.Qf4 Ke6 60.Qg4 Ke7 61.Rc7 Ke8 62.Qc8) 54...g5 (54...Qg2 55.Qg2 hg2+–) 55.Rh1 Qh1 56.Qh1 g4 57.f3 (57.d5 Kg7 58.d6 Kf8 59.Qa8 Kg7 60.d7 f5 61.d8Q Kh7 62.Qh8 Kg6 63.Qag8) 57...f5 58.fg4 fg4 59.d5 (59.e6 Kg7 60.Qb7 Kg6 61.Qf7 Kh6 62.e7 h2 63.e8Q h1Q 64.Qg6) 59...Kg6 (59...Kg7 60.d6 Kf7 61.d7 Ke7 62.Qd5 Kd8 63.e6 h2 64.e7 Ke7 65.d8Q) 60.d6 Kf7 (60...Kf5 61.d7 Kg6 62.Qe4 Kg7 63.Qg4 Kf7 64.d8Q h2 65.e6) 61.Qd5 Ke8 (61...Kg7 62.d7 Kg6 63.Qe6 Kh5 64.d8Q h2 65.Qh4) 62.e6 h2 (62...Kf8 63.Qg5 h2 64.Qg6 h1Q 65.Qf7) 63.Qa8 1–0. GuestBGVT – GuestNGTD, freechess.org, 2017.

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 (26.Bb3!?+=) 26...Nd7–/+ (26...Qa4?! 27.Nb6 Qc6 28.Na8=) 27.Kd1 (27.a5 f6 28.Ne7 Qc5 29.Ng6 hg6 30.Rh4 Nh5 31.Rg6 Rf7 (31...Qa5 32.Qb1 Qa3 33.Kd1 Qa4 34.Ke1 Qd1 35.Qd1 Rf7 36.Qh5 Rh7 37.Qh7) 32.Qb7 Rb8+–) 27...Qa4–+ 28.Bb3 Qc6 29.Re4 (29.Rf4 f5–+) 29...Rae8 (29...Nc5 30.Rh4 Rad8 31.e4–+) 30.Re8 Re8 31.Rf1 f5 32.Rf4 Re4 33.Re4 fe4 34.Qd4 Qb5 35.Bc4 Qa4 (35...Qb1!? 36.Ke2 Qg1–+) 36.Ke1–/+ Qc2?? (better is 36...Qc6 37.Ne7 Qc7–/+) 37.Nf6?? (better is 37.Nc3 Qc1 38.Ke2+/–) 37...Nf6–+ 38.Qd8 (38.Ba6 Qc1 39.Ke2 ba6 40.Qf6 Qc8–+) 38...Nge8 39.Qd4 0–1. Rodriguez Castelao,Javier – Castelao,Samuel, Oviedo, 1999.

7.a4 Bg4 8.Be2 Nbd7 9.0–0 Qc7 10.d3 d5 11.Nbd2 c5 (11...Rfd8 12.cd5 cd5 13.Rc1=) 12.cd5 Nd5 13.h3 Bh5 (13...Be6 14.a5=) 14.Rc1 b6 (14...Rad8 15.Qb3 N5f6 16.g4+=) 15.Nc4 e5 draws heavy fire 15...Bf6 (15...Bd6 16.Qd2 (16.Nd6?! Qd6 17.d4 cd4=) 16...Rfd8 17.Nd6 Bf3 18.Bf3 Qd6 19.d4 cd4 20.ed4+/–) 16.d4 (16.g4!? Bg6 17.g5+/–) 16...ed4= 17.ed4 (17.Nd4 Be2 18.Ne2 Bb2 19.Nb2 N7f6=) 17...Rad8 18.Nfe5 Be2 (18...Ne5 19.Ne5 Be2 20.Qe2=) 19.Qe2= Rfe8 (19...cd4 20.Bd4 Ne5 21.Be5=) 20.Qf3+= Be5 (better is 20...Nb4 21.Nc6 Nc6 22.bc6 Nf8 23.dc5 Bb2 24.cb6 ab6 25.Nb2 Rd6+=) 21.Qd5?? (better is 21.de5 Nb4 22.Rfe1+=) 21...Nf6 (21...Bh2 22.Kh1 Ne5 23.Qd8 Qd8 24.de5–/+) 22.Qf3 (22.Qc6 cd4 23.Rcd1 Qc6 24.bc6 Bc7=) 22...Bd4–/+ 23.Bd4 Rd4 (23...cd4?! 24.Na5 Qd7 25.Nc6+=) 24.Ne3 (better is 24.Rfd1!?–/+) 24...Ra4–+ 25.Rfd1 Rd8 (25...Qf4 26.Qf4 Rf4 27.Rc4 Rc4 28.Nc4–+) 26.Rd8 (26.Qg3!? Qb8 27.Nf5+=) 26...Qd8 27.Rd1 Qe8 28.Nf5 1–0. GuestMKNW – GuestPFTV, freechess.org, 2017.

7.Be2 cb5 8.cb5 b6 (8...a6 9.a4 Be6 10.0–0 Nbd7 11.d4 e4 12.Nfd2 ab5 13.Bb5=; 8...Bg4 9.0–0 (9.Nc3 a6 10.ba6 Na6 11.0–0 Qa5 12.Qb1 Rfc8 13.Ne4+=) 9...Nbd7 10.Nc3 Rc8 11.d4 e4 12.Nd2 Be2 13.Qe2=; 8...Be6 9.Ng5 (9.Nc3 a6 10.0–0 ab5 11.Bb5 Qa5 12.Ng5 Bd7 13.Qb3=; 9.0–0 Nbd7 10.Nc3 d5 11.d4 e4 12.Ng5 Nb6 13.Ne6=) 9...Bf5 10.0–0 Nbd7 11.f4 e4 12.g4 Be6 13.f5=; 8...Re8 9.0–0 (9.Nc3 Bf5 10.0–0 Nbd7 11.d3 d5 12.Nd5 Nd5 13.e4=) 9...a6 10.ba6 ba6 11.d4 e4 12.Nfd2 Nc6 13.d5=; 8...Qb6 9.a4 (9.0–0 a6 10.Nc3 ab5 11.Bb5 Nc6 12.Rb1 Be6 13.a4=) 9...a6 10.a5 Qd8 11.b6 Nc6 12.0–0 Bf5 13.d3=) 9.0–0 (9.Nc3 a6 10.Rc1 ab5 11.Bb5 Bg4 12.d3 d5 13.h3=) 9...Bb7 (9...a6 10.ba6 Na6 11.Nc3 Bf5 12.d4 e4 13.Nd2=) 10.a4 (10.Nc3 a6 11.d4 e4 12.Nd2 ab5 13.Bb5=) 10...Nbd7 (10...a6 11.Nc3 ab5 12.ab5 Nbd7 13.Ra8=) 11.d4 (11.Nc3 d5 12.d4 e4 13.Nh4=) 11...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 (26...Kh7 27.Qb3+=) 27.Qb2 (27.Qc8 Bc8 28.Bc4 Bb7+/–) 27...Qc7 28.Bc4 Qg3 29.Nf1 Qc7 30.Qa2 Qd7 31.Qc2 Qd6 32.Qd2 Nbd7 33.d5 (33.Qc3 Nf8=) 33...Nc5 34.Qd1 Kf8 (34...Kh8 35.Nd2=) 35.Kf2 (35.Nd2 Qd7 (35...Bd5? 36.Bd5 a5 37.ba6 Na6 38.Na6 Qd5 39.Qc2+–) 36.Nb3 Na4+=) 35...Nfd7 36.Ng3?? (36.Kg1 Nd3 37.Nc6 N7e5=) 36...Ne5?? (36...Qf6 37.Kg1 Qc3 38.Ne4 Qc4 39.Nc5 Nc5 40.Nc6 Qa4 41.Qf1–+) 37.Nf5?? (better is 37.Qd4+=) 37...Qf6–+ 38.g4 Nc4 39.Ke2 (39.Qc2 Ne5 40.Kg2 Ned3–+) 39...Qb2 40.Nc2 Na4 41.Ke1 (41.Kf1 Qb5 42.Kg1 Qd5 43.Qa1–+) 41...Nc3 42.Qd4 Qc1 (42...Qc2 43.Qg7 Ke8 44.Qg8 Kd7 45.Qf7 Kd8 46.Qe7 Kc8 47.Qe8 Kc7 48.d6 Nd6 49.Qe7 Kb8 50.Qd6 Ka8 51.Qd8 Bc8 52.Qc8) 43.Kf2 Qc2 44.Kf1 Qd3 (better is 44...Nd2 45.Qd2 Qd2 46.Nd4–+) 45.Qd3 ed3 46.Ke1 d2 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 a6 8.a4 e4 9.Nd4 Be2 10.Qe2 d5 11.cd5 Qd5 (11...Nd5 12.0–0=) 12.Nc3= Qg5 (12...Qd7 13.d3 ab5 14.ab5 (14.Ncb5? c5–+) 14...Ra1 15.Ba1 ed3 16.Qd3=) 13.0–0 (13.f3 ab5 14.ab5 Ra1 15.Ba1 Bd6=) 13...c5 14.Nb3 (14.bc6 Nc6 15.Nc6 bc6=) 14...Bd6 15.h3 (15.f4 Qf5=) 15...Rd8 (15...Qe5 16.f4 Qe6 17.Na5=) 16.f4 (16.f3 Qe5 17.fe4 Qh2 18.Kf2 Bg3 19.Kf3 Bh4+=) 16...Qf5 17.g4 (17.Na5 Rd7+=) 17...Qe6 18.Qg2?? (better is 18.Na5 b6 19.Nc4+=) 18...Qb3–+ 19.Rab1 ab5 20.Ne4? (20.Nb5 Qe6 21.Bf6 Qf6 22.Qe4–+) 20...Ne4 21.Qe4 Qa4 (21...Ra4 22.Qb7 Qd3 23.Qb6–+) 22.Qb7 Na6 23.Ra1 Qc2 24.Bc3 Nc7 (24...b4 25.Ra6 Ra6 26.Qa6 bc3 27.Qa5–+) 25.Ra8 Ra8 (25...Na8?! 26.Qb5 Qe4 27.Qb1–+) 26.Be5 (26.Qb6 Qd3–+) 26...Qd2 (26...Qd2 27.Qf3 Be5 28.fe5 Qd7–+) 0–1. GuestTTDL – GuestSMWH, freechess.org, 2016.

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 (9.Ne5 Be2 10.Qe2 Bb4 11.Kf1 dc4 12.dc4 a6+=) 9...e4 (9...d4 10.ed4 ed4 11.Ne4 cb5 12.cb5 Ne4 13.de4 Bf3 14.gf3 (< 14.Bf3 Qa5 15.Kf1 Qb5 16.Qe2 d3–/+) 14...Bb4 15.Kf1=) 10.Ne5 (10.de4 de4 11.Nd2 Be2 12.Qe2 Bb4=) 10...Be2=+ 11.Qe2 ed3 (11...cb5 12.cd5 (< 12.Nb5 Bb4 13.Kf1 a6=+) 12...Bb4 A) < 13.de4 Qc7 14.0–0 Bc3–/+ (14...Qe5?! 15.Nb5 Qe4 16.Bf6=); B) 13.0–0 Bc3 14.Bc3 Qd5 15.Rfd1=) 12.Qd3= dc4 13.Qc4 cb5 14.Nb5 (14.Qb5 Qc7=) 14...Nc6 (14...a6 15.Nc3=) 15.Rd1 (15.Nc6 bc6 16.Nd4 Ne4=) 15...Qa5 16.Bc3 Ne5 17.Ba5?? ( 17.Qb3 Qb6 18.Be5=) 17...Nc4–+ 18.Bc3 Rfc8 19.0–0 a6 20.Nd4 (20.Bf6 Bf6 (20...gf6?! 21.Nd4–+; 20...ab5?! 21.Be7 Ra2 22.Rd7=+) 21.Nd4 b5–+) 20...Nd6 ( 20...Ne3!? 21.fe3 Rc3 22.Rc1 Re3 23.Nf5–+) 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.

7.Be2 Nbd7

8.0–0 a6 A) 9.Nc3 ab5 (9...e4 10.Nd4 Be2 11.Qe2 ab5 12.cb5 Nc5 13.a4 d5 14.Nf5 Qd7) 10.cb5 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f3 d5 14.fe4 de4; B) 9.a4 ab5 (9...e4 10.Nd4 Be2 11.Qe2 ab5 12.cb5 d5 13.Nf5 g6 14.Ne7 Qe7; 9...Nc5 10.Nc3 ab5 11.ab5 Qd7 12.d4 ed4 13.ed4 Nce4 14.Qc2 Qf5) 10.cb5 e4 11.Nd4 Be2 12.Qe2 Ne5 13.Nf5 Qd7 14.Ne7 Qe7; C) 9.h3 Bf3 (9...Bf5 10.Nc3 ab5 11.cb5 h6 12.a4 c5 13.d3 Qc7 14.e4 Be6; 9...Be6 10.Nc3 ab5 11.cb5 h6 12.d4 e4 13.Nd2 d5 14.Qc2 c5) 10.Bf3 e4 11.Be2 Nc5 12.Nc3 ab5 13.Nb5 Nfd7 14.f3 Bf6.

8.0–0 Nb6 A) 9.d3 a6 (9...h6 10.Nc3 a6 11.h3 Be6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Qa8) 10.Nc3 ab5 11.cb5 Nbd5 12.Nd5 Nd5 13.Qc2 Qd7 14.h3 Be6; B) 9.Qc2 e4 10.Nd4 Be2 11.Ne2 Qd7 12.Ng3 Qe6 13.Na3 a6 14.Rab1 Rfe8; C) 9.Na3 h6 (9...Qd7 10.h3 Bf5 11.d3 e4 12.Nd4 ed3 13.Bd3 Bd3 14.Qd3 Na4; 9...e4 10.Nd4 Be2 11.Qe2 Qd7 12.f3 Na4 13.Rab1 d5 14.Nac2 g6; 9...Bf5 10.Nh4 Bd7 11.Nf3 a6 12.Qc2 h6 13.h3 ab5 14.Nb5 c6; 9...Re8 10.h3 Bf5 11.Nh4 Bd7 12.Nf3 Ne4 13.Nb1 Be6 14.Qc2 Ng5; 9...Bh5 10.c5 Nbd5 11.Nc4 e4 12.cd6 Bd6 13.Nd4 Be2 14.Qe2 Bc5; 9...Qc8 10.h3 Bf5 11.Nh4 Be6 12.Qc2 e4 13.f4 h6 14.f5 Bd7; 9...Rc8 10.h3 Bf5 11.d3 Nfd7 12.e4 Bg6 13.Nb1 Nc5 14.Nc3 f5; 9...Ne4 10.Qc2 f5 11.d3 Nc5 12.h3 Bh5 13.d4 ed4 14.ed4 Ne4; 9...h5 10.h3 Bf5 11.Nh4 Bd7 12.Nf3 a6 13.Qc2 ab5 14.Nb5 c6; 9...Qe8 10.h3 Bh5 11.Qc2 e4 12.Nd4 Be2 13.Ne2 Qd7 14.Ng3 Rfe8) 10.Qc2 e4 11.Nd4 Be2 12.Ne2 a6 13.f3 ab5 14.Nb5 Ra4.

8.0–0 Nc5 A) 9.Nc3 a6 (9...Qd7 10.d4 ed4 11.Nd4 Be2 12.Qe2 a6 13.a4 Ra7 14.Ba3 Ne6; 9...Qc8 10.d4 ed4 11.Nd4 Qd7 12.a4 h6 13.e4 Be2 14.Qe2 a6; 9...Re8 10.h3 Bf3 11.Bf3 e4 12.Be2 a6 13.a4 Qd7 14.Qc2 Qe6; 9...e4 10.Nd4 Be2 11.Qe2 a6 12.a4 Nd3 13.Ba3 Ne5 14.f4 ef3; 9...Bf5 10.d4 ed4 11.Nd4 Bg6 12.f4 Be4 13.Nb3 Bf5 14.g4 Be6; 9...Bf3 10.Bf3 e4 11.Be2 a6 12.f3 ab5 13.Ne4 Nfe4 14.fe4 bc4) 10.d4 ed4 11.Nd4 Be2 12.Qe2 ab5 13.cb5 Qd7 14.e4 Rfe8; B) 9.h3 Bf3 (9...Bf5 10.d4 ed4 11.Nd4 Bg6 12.Nc3 a6 13.f4 Be4 14.a4 h6; 9...Bh5 10.d4 ed4 11.ed4 Ne6 12.Nc3 Nf4 13.Re1 Re8 14.Bf1 Qd7) 10.Bf3 e4 11.Be2 a6 12.Bd4 ab5 13.cb5 Ne6 14.Nc3 Nd4; C) 9.d4 ed4 (9...Nce4 10.de5 de5 11.Ne5 Qd1 12.Bd1 Be6 13.Bf3 Bd6 14.Rd1 Rfd8) 10.Nd4 Qd7 11.f3 Be6 12.Nc3 a6 13.Ne6 fe6 14.a4 c6.

8.0–0 e4 9.Nd4 Be2 (9...Ne5 10.Bg4 Nfg4 11.Nc3 Nf6 12.Qe2 a6 13.a4 c5 14.bc6 bc6; 9...h5 10.Nc3 Ne5 11.Qc2 Be2 12.Nce2 a6 13.a4 ab5 14.ab5 Qd7) 10.Qe2 a6 11.Nc3 ab5 12.cb5 Ne5 13.f3 d5 14.fe4 de4.

8.0–0 h6 A) 9.h3 Bh5 (9...Be6 10.Nc3 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Nb6 14.d3 Qd7; 9...Bf5 10.Nc3 a6 11.a4 Nc5 12.d4 ed4 13.Nd4 Bg6 14.f4 Be4; 9...Bf3 10.Bf3 e4 11.Be2 Nc5 12.Nc3 a6 13.a4 Qd7 14.Qc2 Qe6) 10.Nc3 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f3 ef3 14.Nf3 Qd7; B) 9.d4 ed4 (9...c6 10.Nc3 cb5 11.Nb5 a6 12.Nc3 Qb6 13.Qb3 ed4 14.ed4 Rfe8; 9...e4 10.Nfd2 Bf5 11.f3 ef3 12.Bf3 c6 13.bc6 bc6 14.Bc6 Bg4; 9...Rb8 10.Nc3 Bf5 11.a4 Re8 12.a5 c5 13.Nh4 Bh7 14.de5 Ne5) 10.Nd4 Be2 11.Qe2 Nc5 12.Nc3 Qd7 13.f3 a6 14.a4 ab5; C) 9.a4 e4 (9...Rb8 10.Nc3 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f4 ef3 14.Nf3 Qd7; 9...Ne4 10.d3 Nec5 11.d4 ed4 12.ed4 Ne6 13.Nc3 Nf4 14.Re1 Re8; 9...Bf3 10.Bf3 e4 11.Be2 d5 12.Qc2 Nc5 13.Nc3 dc4 14.Bc4 Nd3; 9...a6 10.Nc3 ab5 11.cb5 c5 12.Nh4 Be6 13.Qc2 e4 14.f4 ef3; 9...Nb6 10.a5 Nbd7 11.Nc3 Nc5 12.d4 ed4 13.ed4 Nce4 14.Qc2 Nc3; 9...Nc5 10.Nc3 Qd7 11.d4 ed4 12.Nd4 a6 13.f3 Bh5 14.a5 Bg6; 9...a5 10.Nc3 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f3 ef3 14.Nf3 Qd7; 9...Qc8 10.Nc3 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f3 ef3 14.Nf3 Qe6; 9...c6 10.Nc3 Qc7 11.h3 Bf5 12.d4 Rfe8 13.a5 Ne4 14.Ne4 Be4; 9...Rc8 10.Nc3 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f4 ef3 14.Nf3 c6; 9...Bf5 10.Nc3 c6 11.d4 Re8 12.Qd2 Rb8 13.Rfe1 Qc7 14.h3 Rbc8) 10.Nd4 Ne5 11.Bg4 Nfg4 12.Nc3 Nf6 13.Qe2 c5 14.bc6 bc6; D) 9.Nc3 a6 (9...Re8 10.h3 Bf5 11.d4 a6 12.a4 c6 13.Qd2 ab5 14.ab5 Qc7; 9...Bf5 10.d4 a6 11.a4 c6 12.Qd2 ab5 13.ab5 Qc7 14.h3 Rfe8; 9...e4 10.Nd4 Be2 11.Qe2 Ne5 12.f3 ef3 13.Nf3 Qd7 14.d4 Ng6; 9...c6 10.d4 cb5 11.Nb5 a6 12.Nc3 Qb6 13.Qc2 Rac8 14.a4 Bf3; 9...Be6 10.a4 Re8 11.Qc2 Qc8 12.e4 c6 13.d4 ed4 14.Nd4 Ne5; 9...Rc8 10.d4 c6 11.h3 Bf5 12.Qa4 cb5 13.Qb5 Rc6 14.Ba3 Qc7; 9...Nb6 10.d4 Bf3 11.gf3 Qc8 12.a4 ed4 13.Qd4 Qf5 14.f4 Qh3; 9...Kh8 10.h3 Bf5 11.d4 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Qa8; 9...Rb8 10.d4 Bf5 11.Qd2 c6 12.h3 Qc7 13.a4 Rfe8 14.Rad1 Rbd8) 10.a4 ab5 11.cb5 c6 12.d4 e4 13.Nd2 Be2 14.Qe2 d5.

8.Nc3 a6 A) 9.0–0 ab5 (9...e4 10.Nd4 Be2 11.Qe2 ab5 12.cb5 Ne5 13.f3 d5 14.fe4 de4; 9...h6 10.h3 Bf5 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qb8 14.d4 c5) 10.cb5 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f3 d5 14.fe4 de4; B) 9.a4 ab5 (9...e4 10.Nd4 Be2 11.Qe2 ab5 12.cb5 d5 13.Nf5 g6 14.Ne7 Qe7; 9...Nc5 10.0–0 ab5 11.cb5 e4 12.Nd4 Be2 13.Qe2 Qd7 14.a5 d5) 10.cb5 e4 11.Nd4 Be2 12.Qe2 Ne5 13.0–0 d5 14.Nf5 Bd6; C) 9.d4 ed4 (9...ab5 10.cb5 e4 11.Nd2 Be2 12.Qe2 d5 13.0–0 Nb6 14.Qd1 Qd7; 9...e4 10.Nd2 Be2 11.Qe2 ab5 12.cb5 d5 13.0–0 Nb6 14.Qd1 Qd7) 10.Qd4 ab5 11.cb5 c5 12.bc6 bc6 13.0–0 d5 14.h3 Bc5; D) 9.h3 Bf5 (9...Be6 10.0–0 ab5 11.cb5 h6 12.Qc2 c5 13.e4 Nb6 14.d3 Qc7) 10.0–0 ab5 11.cb5 c5 12.a4 h6 13.Nh4 Bh7 14.Qb3 d5.

8.Nc3 Nc5 9.0–0 (9.d4 ed4 10.Nd4 Be2 11.Qe2 a6 12.0–0 ab5 13.cb5 Qd7 14.e4 Rfe8) 9...Qd7 (9...a6 10.d4 ed4 11.Nd4 Be2 12.Qe2 ab5 13.cb5 Qd7 14.e4 Rfe8; 9...e4 10.Nd4 Be2 11.Qe2 a6 12.a4 Nd3 13.Ba3 Ne5 14.f4 ef3; 9...Qc8 10.d4 ed4 11.ed4 Nce4 12.h3 Nc3 13.Bc3 Ne4 14.Qc2 Nc3) 10.d4 ed4 11.Nd4 a6 12.f3 Be6 13.Ne6 Qe6 14.e4 ab5.

8.Nc3 c6 9.0–0 (9.h3 Bf5 (9...Be6 10.0–0 h6 11.d4 cb5 12.Nb5 a6 13.Nc3 Rc8 14.Nd2 Re8) 10.0–0 a6 11.bc6 bc6 12.Nh4 Be6 13.Nf3 Rb8 14.Rb1 Bf5) 9...d5 (9...Qc7 10.h3 Bf5 11.d4 Ne4 12.bc6 bc6 13.Ne4 Be4 14.Bd3 f5; 9...Bf5 10.d4 h6 11.Rc1 Qc7 12.Re1 a6 13.Nh4 Bh7 14.a4 Rfe8; 9...cb5 10.Nb5 Qb6 11.a4 a6 12.a5 Qc5 13.d4 ed4 14.ed4 Qc6; 9...Rc8 10.h3 Bf5 11.d4 h6 12.a4 Qc7 13.Nh4 Bh7 14.Re1 Rfe8; 9...g6 10.h3 Bf5 11.d4 Qa5 12.g4 Be6 13.d5 cd5 14.cd5 Bg4; 9...Qb6 10.bc6 Qc6 11.d4 Rfe8 12.Rc1 h6 13.h3 Bf5 14.c5 a6; 9...e4 10.Ng5 Be2 11.Qe2 cb5 12.Nb5 h6 13.Nh3 a6 14.Nd4 Ne5; 9...Qc8 10.d4 Bf5 11.Qd2 Qc7 12.Nh4 Ne4 13.Ne4 Bh4 14.f3 Be7; 9...h6 10.d4 Bf5 11.h3 Rb8 12.Qd2 Qc7 13.a4 Rfe8 14.Rfd1 Bg6; 9...Qa5 10.Qc2 cb5 11.Nb5 e4 12.Bc3 Qa6 13.Bf6 Bf6 14.Qe4 Ba1) 10.d4 (10.h3 Bf5 11.d4 e4 12.Ne5 cb5 13.Nd5 Nd5 14.cd5 Nb6) 10...e4 11.Ne5 Be2 12.Qe2 cb5 (12...Rc8 13.bc6 bc6 14.Rab1 Bd6) 13.Nb5 a6 14.Nc3 dc4 (14...Rc8+=) 15.Nc4 Bb4 16.Rac1 Bc3 17.Bc3 b5 18.Nd6 Qb6 (18...Qe7 19.Bb4=) 19.Bb4+= Rfd8 20.Nf5 (20.f3!? ef3 21.Qf3+/–) 20...Kh8+= 21.Ne7 a5 22.Rc6 Qb7 23.Bd6 Nb6?? (better is 23...Ra6 24.Qc2 Rc6 25.Qc6 Qc6 26.Nc6 Ra8+=) 24.Qb5+– Nfd7 25.Rb1 Ra6 (25...Re8 26.Nd5 Rac8 A) 27.Nb6? Rc6 28.Bc5 Rb8–+ (28...Nc5?! 29.dc5 Qc7 30.Nd5+=); B) 27.Rb6 Nb6 28.Nb6+–) 26.Qf5 Nf6 (26...Ra7 27.Qe4 Qa8 28.Qf5+–) 27.Be5 Nbd7 (27...Qe7 28.Rf6 Kg8+–) 28.Rb7 (28.Rb7 Rc6 29.Nc6+–) 1–0. usingprogram – pentium4, internet, 2011.

8.Nc3 e4 9.Nd4 Be2 (9...Ne5 10.Bg4 Nd3 11.Kf1 Nb2 12.Qb3 Nc4 13.Qc4 Ng4 14.Qd5 c5; 9...Nc5 10.0–0 Be2 11.Qe2 a6 12.a4 Nd3 13.Ba3 Ne5 14.f4 ef3) 10.Qe2 Ne5 11.0–0 a6 12.a4 Qd7 13.f3 ef3 14.Nf3 Rfe8.

8.Nc3 Be6 A) 9.Qc2 Nb6 (9...a6 10.Ng5 ab5 11.Ne6 fe6 12.cb5 d5 13.0–0 e4 14.Na4 Bd6; 9...h6 10.0–0 Nb6 11.Qb3 Qd7 12.h3 a6 13.a4 ab5 14.ab5 Rfe8; 9...Qc8 10.0–0 Nc5 11.e4 a6 12.d4 ed4 13.Nd4 ab5 14.cb5 Re8 ; 9...g6 10.Ng5 Nc5 11.Ne6 Ne6 12.Bf3 Rb8 13.0–0 Qd7 14.h4 a6) 10.Qb3 a6 11.Ng5 Bf5 12.e4 Bd7 13.ba6 ba6 14.Qc2 Qe8; B) 9.d4 a6 (9...h6 10.0–0 c5 11.bc6 bc6 12.Qa4 Rb8 13.Ba3 Nb6 14.Qa6 e4) 10.0–0 ab5 11.cb5 h6 12.e4 c6 13.a4 Qa5 14.Qd2 Rfd8; C) 9.a4 Nc5 (9...a6 10.0–0 ab5 11.ab5 Ra1 12.Qa1 Nb6 13.Qa2 Qd7 14.Qb3 Ra8; 9...Nb6 10.Qb3 h6 11.0–0 d5 12.cd5 Nbd5 13.Nd5 Bd5 14.Qc2 e4; 9...h6 10.0–0 a6 11.d4 Bf5 12.Qd2 c6 13.Nh4 Bh7 14.h3 Re8; 9...Re8 10.0–0 h6 11.h3 a6 12.d4 Bf5 13.Qd2 c6 14.Rfd1 ab5) 10.0–0 e4 11.Nd4 Qd7 12.f3 ef3 13.Rf3 Bg4 14.Rg3 h5; D) 9.0–0 h6 10.Qc2 Nb6 11.Ne4 Ne4 12.Qe4 Nc4 13.Bc4 d5 14.Qe5 Bf6.

8.Nc3 Bf5 A) 9.d4 a6 (9...h5 10.0–0 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 c5 14.Qa7 cd4; 9...c5 10.0–0 cd4 11.ed4 Rc8 12.Re1 Be6 13.Rc1 Qa5 14.Qa4 Qa4; 9...h6 10.0–0 a6 11.a4 c6 12.Qd2 ab5 13.ab5 Qc7 14.h3 Rfe8; 9...c6 10.0–0 a6 11.Nh4 Be6 12.bc6 bc6 13.Nf3 Bf5 14.Nh4 Be6 ) 10.Nh4 ed4 11.Nf5 dc3 12.Bc3 g6 13.Ne7 Qe7 14.Qd4 Qe5; B) 9.a4 Nc5 (9...Ne4 10.Ne4 Be4 11.0–0 Bf6 12.d3 Bf5 13.d4 c5 14.de5 Ne5; 9...a6 10.0–0 ab5 11.ab5 Ra1 12.Qa1 Re8 13.h3 Qa8 14.d4 h6; 9...h6 10.0–0 Nc5 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.Bf3 Bd3; 9...c6 10.0–0 h6 11.d4 Re8 12.h3 a6 13.Qd2 ab5 14.ab5 Qc7; 9...Re8 10.0–0 h6 11.d4 c6 12.Qd2 Rb8 13.Rfd1 Qc7 14.h3 Bg6; 9...g6 10.0–0 c6 11.d4 Qc7 12.Nh4 Be6 13.d5 cd5 14.cd5 Bd5; 9...c5 10.d3 e4 11.de4 Ne4 12.Bd3 Nc3 13.Bc3 Bd3 14.Qd3 Bf6; 9...h5 10.0–0 c6 11.d4 c5 12.de5 Ne5 13.Nd5 Nd5 14.Qd5 Bf6; 9...Qc8 10.0–0 h6 11.d4 c6 12.a5 Re8 13.Qd2 Qc7 14.a6 b6; 9...Rc8 10.0–0 h6 11.d4 c6 12.a5 a6 13.b6 Re8 14.h3 ed4; 9...a5 10.0–0 h6 11.d4 c6 12.Qd2 Qc7 13.h3 Rfe8 14.Rfe1 Rac8) 10.d4 ed4 11.Nd4 Bg6 12.0–0 Qd7 13.f4 Be4 14.Bf3 Rae8; C) 9.h3 a6 (9...Nc5 10.d4 ed4 11.Nd4 Bg6 12.0–0 Qd7 13.Nb3 Nce4 14.Bf3 Rab8; 9...h5 10.0–0 a6 11.a4 c6 12.d4 Qc7 13.Nh4 Bh7 14.Qb3 ab5; 9...Re8 10.0–0 a6 11.a4 ab5 12.ab5 Nc5 13.d4 ed4 14.Ra8 Qa8; 9...h6 10.0–0 a6 11.a4 ab5 12.ab5 Nc5 13.d4 ed4 14.Ra8 Qa8; 9...Qc8 10.0–0 Nc5 11.d4 ed4 12.ed4 Nce4 13.Bd3 Nc3 14.Bc3 a6; 9...c6 10.0–0 a6 11.Nh4 Be6 12.bc6 bc6 13.Rb1 Rb8 14.Nf3 Bf5; 9...Qe8 10.0–0 a6 11.d4 ab5 12.Nh4 Be4 13.f3 Bg6 14.Nb5 Rc8; 9...Ne4 10.Ne4 Be4 11.0–0 Nc5 12.d4 ed4 13.ed4 Bf6 14.Rc1 Re8; 9...Qb8 10.d4 h6 11.0–0 a6 12.de5 de5 13.e4 Bh7 14.Nd5 Nd5) 10.0–0 ab5 11.cb5 h6 12.d3 c5 13.Qd2 Qc7 14.e4 Be6; D) 9.d3 a6 (9...h6 10.0–0 a6 11.h3 ab5 12.cb5 c5 13.e4 Be6 14.a4 Qa5; 9...Nc5 10.0–0 Qd7 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.Nb3 d5; 9...c6 10.0–0 Qc7 11.e4 Be6 12.d4 ed4 13.Nd4 Nc5 14.Qc2 Bd7; 9...Qb8 10.0–0 a6 11.e4 Bg6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Re8; 9...e4 10.de4 Ne4 11.Qd5 Nc3 12.Bc3 Be6 13.Qb7 Nc5 14.Qc6 Bd7; 9...Nb6 10.e4 Be6 11.0–0 h6 12.a4 a5 13.Qb3 Nbd7 14.d4 ed4) 10.0–0 ab5 11.cb5 h6 12.a4 c6 13.h3 Qb6 14.e4 Bh7; E) 9.0–0 a6 (9...Re8 10.d4 h6 11.Qd2 c6 12.a4 Rb8 13.Rfd1 Qc7 14.h3 Bg6; 9...h6 10.d4 a6 11.a4 c5 12.Nh4 Bh7 13.de5 de5 14.g3 Qc7; 9...h5 10.d3 a6 11.e4 Bg6 12.Nh4 Bh7 13.Nf5 Nc5 14.Ne7 Qe7; 9...c6 10.d4 h6 11.h3 Rb8 12.Qd2 Qc7 13.a4 Rfe8 14.Rfd1 Bg6; 9...Rb8 10.d4 c6 11.Rc1 h6 12.h3 Qc7 13.Nh4 Bh7 14.Re1 a6; 9...Nb6 10.a4 Be6 11.Qb3 d5 12.cd5 Nfd5 13.Nd5 Bd5 14.Qc2 e4) 10.Nh4 Be6 11.d4 ab5 12.d5 b4 13.Nb5 Bg4 14.f3 Bh5.

8.Nc3 h6 A) 9.0–0 a6 (9...Be6 10.Qc2 a6 11.a4 Nb6 12.Ne4 ab5 13.ab5 Qd7 14.Nf6 Bf6; 9...Qc8 10.d4 a6 11.h3 Bf5 12.a4 Re8 13.Qd2 ed4 14.Nd4 Nc5; 9...e4 10.Nd4 Be2 11.Qe2 Ne5 12.f3 ef3 13.Nf3 a6 14.a4 Qd7; 9...Bh5 10.d4 a6 11.a4 ab5 12.cb5 c6 13.Nh4 Be2 14.Qe2 ed4; 9...Bf5 10.d4 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qa8 14.Qd1 b6; 9...c6 10.h3 Be6 11.Rc1 cb5 12.cb5 Nb6 13.d4 Nc4 14.Ba1 Rc8; 9...Nb6 10.d4 Bf3 11.gf3 Qc8 12.a4 Qe6 13.Qc2 a5 14.ba6 ba6; 9...Re8 10.Qc2 Nc5 11.d4 ed4 12.Nd4 Be2 13.Nce2 a6 14.a4 Ng4) 10.a4 ab5 11.cb5 c5 12.Nh4 Be6 13.Qc2 c4 14.Nf5 g6; B) 9.a4 e4 (9...a6 10.h3 Bh5 11.0–0 e4 12.Nd4 Be2 13.Nce2 ab5 14.cb5 Ne5; 9...Qc8 10.0–0 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f3 ef3 14.Nf3 Qe6; 9...Bh5 10.0–0 Nc5 11.d4 ed4 12.Nd4 Be2 13.Qe2 Qd7 14.f3 a6; 9...Qe8 10.0–0 Bf5 11.d4 c5 12.a5 cd4 13.ed4 e4 14.Nh4 Bh7; 9...Nc5 10.0–0 e4 11.Nd4 Be2 12.Qe2 Nd3 13.Rab1 Ne5 14.f3 ef3 ) 10.Nd4 Be2 11.Qe2 Ne5 12.0–0 c5 13.bc6 bc6 14.f4 ef3; C) 9.d4 a6 (9...ed4 10.Nd4 Ne5 11.Bg4 Neg4 12.Qe2 a6 13.f3 Ne5 14.f4 Ng6) 10.0–0 ab5 11.cb5 e4 12.Nd2 Be2 13.Qe2 d5 14.f3 ef3; D) 9.Qc2 a6 (9...Nc5 10.Ba3 Ne6 11.h3 Bh5 12.0–0 a6 13.Bb4 ab5 14.cb5 c5; 9...Bh5 10.0–0 Nc5 11.d4 ed4 12.ed4 Ne6 13.Rfe1 a6 14.Qd2 Re8) 10.0–0 ab5 11.cb5 Be6 12.a4 c6 13.d4 Qb6 14.bc6 bc6; E) 9.Qb1 Nc5 (9...Qc8 10.h3 Bh5 11.0–0 Nc5 12.d4 ed4 13.ed4 Ne6 14.Re1 Re8; 9...Be6 10.d4 Nb6 11.de5 de5 12.Ne5 Qd6 13.f4 Qc5 14.0–0 Qe3; 9...a6 10.0–0 ab5 11.cb5 c5 12.e4 Be6 13.a4 Qc7 14.h3 b6; 9...Re8 10.0–0 Nc5 11.h3 Bh5 12.Qd1 e4 13.Nd4 Be2 14.Qe2 a6; 9...Bh5 10.0–0 Bg6 11.Bd3 Bd3 12.Qd3 a6 13.Qf5 Nb6 14.d3 ab5; 9...Nb6 10.0–0 Be6 11.d3 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Qd7; 9...c6 10.h3 Be6 11.d4 Qc8 12.0–0 ed4 13.Nd4 Ne5 14.Ne6 Qe6) 10.Ba3 Ne6 11.h3 Bh5 12.0–0 a6 13.Qb3 ab5 14.cb5 Qd7; F) 9.h3 Be6 (9...Bf5 10.0–0 a6 11.a4 Nc5 12.d4 ed4 13.Nd4 Bg6 14.f4 Be4; 9...Bh5 10.0–0 e4 11.Nd4 Be2 12.Qe2 Ne5 13.f4 ef3 14.Nf3 a6) 10.0–0 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Nb6 14.d3 Qd7.

8.h3 Be6 9.d4 e4 10.Nfd2 c6 11.a4 (11.bc6 bc6 12.Nc3 d5=) 11...d5 12.Qc2 White prepares c5 (12.bc6 bc6 13.Nc3 Rb8+=) 12...Nb6 (12...cb5 13.ab5 dc4 14.0–0=) 13.0–0 (13.c5 Nbd7=) 13...Rc8 (13...cb5 14.cb5 Rc8 15.Nc3=) 14.c5= Nbd7 15.Nc3 (15.bc6 bc6 16.Nc3 Rb8=) 15...h6 (15...b6 16.cb6 ab6 17.bc6 Rc6 18.Ba3=) 16.Nb3 (16.bc6 Rc6 17.a5 Re8+=) 16...Kh8 (16...b6 17.Ba3=) 17.bc6 (17.a5 cb5 18.Nb5 a6=) 17...Rc6+= 18.Ba3 (18.a5 Kg8+=) 18...a6 (18...Kg8 19.a5=) 19.f3. Cpu – Sie, AI Factory's Chess, 2016.

8.h3 Bf3 9.Bf3 e4 10.Be2=.

8.h3 Bh5 9.d4 h6 10.0–0 e4 11.Nfd2 Be2 12.Qe2 Nb6 13.Nc3 d5 (13...Re8 14.Nde4 Ne4 15.Ne4+/–) 14.cd5 Nfd5 (14...a6 15.a4+/–) 15.Nde4 Nc3 (15...a6 16.a4+/–) 16.Nc3 1–0. GuestNKWQ – GuestBTBG, freechess.org, 2016.

5.b5 a6

6.a4 0–0 7.d4 e4 (7...Nbd7 8.Ne2 Re8 9.Nd2 c5 10.bc6 bc6 11.Rb1 Rb8+=; 7...ab5 8.ab5 Ra1 9.Ba1 Bf5 10.Ne2 c5 11.bc6 Nc6+=) 8.Nc3 d5 9.Qc2 ab5 10.ab5 Ra1 11.Ba1 c6+=.

6.a4 c6 7.Nc3 (7.d4 Nbd7 (7...e4 8.d5 0–0 9.dc6 bc6 10.Nd2 d5 11.cd5 Qd5=) 8.Nd2 0–0 9.bc6 bc6 10.Rb1 Qa5 11.Ne2 Ne4+=) 7...0–0 (7...b6 8.Nf3 0–0 9.d4 e4 10.Nd2 Bf5 11.bc6 Nc6=) 8.Be2 (8.d4 b6 9.Nf3 ed4 10.Qd4 ab5 11.ab5 Ra1=) 8...Nbd7 (8...d5 9.cd5 Nd5 10.Nf3 Nc3 11.dc3 Qc7+=) 9.Nf3 Nc5 (9...e4 10.Nd4 Ne5 11.Qc2= c5=) 10.d4= ed4 (10...Ncd7 11.0–0 ab5+=) 11.Nd4 (11.Qd4? Nb3 12.Qd1 Na1–+) 11...ab5 12.ab5 Ra1 13.Ba1 Nfe4 14.0–0 Qc7 15.Ne4 Ne4 16.Bf3 f5 (16...d5 17.Qc2 Bd6 18.Rc1+/–) 17.bc6 bc6 18.Qc2 Bf6 19.Be4 fe4 20.Qe4 Bd4 21.Qd4 Be6 22.Rd1 Qf7 23.e4 (better is 23.f3!? Bc4 24.Qd6+/–) 23...Bc4= 24.Rd2 (24.Qd6?? Qf2 25.Kh1 Qf1 26.Rf1 Rf1) 24...d5 25.e5 (better is 25.ed5 Re8 26.Rd1 cd5 27.Bc3=) 25...c5 (better is 25...Qg6+=) 26.Qc5+/– Qf5 27.Qd4 Ra8 (27...Rb8 28.Rd1+/–) 28.h3 (28.e6 Qg6 29.f4 Rf8+/–) 28...Qe4 29.Rd1 Qd4 30.Bd4 Kf7 31.f4 Ke6 32.g4 g6 33.Rb1 Ra6 (33...Rf8 34.Rb6 Kd7 35.e6 Kc7 36.Rb1+/–) 34.Kf2 (34.Rb7 Ra4+–) 34...Bd3 (34...h6 35.Rb7+–) 35.Rb2 (35.Rb7 Be4+–) 35...Bc4 (35...Be4 36.Ke2+/–) 36.Rb6 (better is 36.Rb7!?+–) 36...Rb6+/– 37.Bb6 h5 38.gh5 gh5 39.h4 Kf5 40.Ke3 Bb3 41.Ba5 d4 42.Kf3 (42.Kd4!? Kf4 43.Bd8+/–) 42...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.a4 Nbd7 A) 7.Be2 0–0 (7...ab5 8.ab5 Ra1 9.Ba1 d5 10.d4 e4 11.Nc3 dc4+=) 8.d4 e4 9.ba6 ba6 10.Nc3 c6 11.Nh3 Rb8+=; B) 7.Nc3 ab5 (7...0–0 8.Be2 e4 9.f3 Nc5 10.fe4 Nfe4 11.Ne4 Ne4+=) 8.ab5 Ra1 9.Qa1 0–0 10.Be2 Nc5 11.d4 ed4+=; C) 7.d4 0–0 8.Ne2 c5 9.bc6 bc6 10.Nd2 Rb8 11.Rb1 Qc7+=; D) 7.Nf3 ab5 (7...e4 8.Nd4 ab5 9.cb5 Nc5 10.Be2 Bg4 11.f3 ef3=; 7...0–0 8.Nc3 Re8 9.Be2 ab5 10.ab5 Ra1 11.Qa1 c6=) 8.ab5 Ra1 9.Ba1 0–0 10.Qc2 Nc5 11.d4 ed4=.

6.d4 A) 6...Nbd7 7.ba6 Ra6 8.Nf3 (8.c5 Ra8 9.cd6 Bd6 10.de5 Ne5 11.Nf3 Bg4 12.Bb5+=) 8...ed4 9.Bd4 0–0 10.Be2 Re8 11.0–0 Nc5 12.Nc3=; B) 6...e4 7.ba6 Na6 B1) 8.Nd2 0–0 9.Ne2 B11) 9...c6 10.Nc3 d5 11.Be2 Bf5+= (11...dc4 12.Bc4+=) 12.cd5+=; B12) 9...d5 10.Nc3 Nb4 11.Qb3 Be6 12.a3+=; B2) 8.Nc3 0–0 9.Qb1 d5 10.cd5 Bb4 11.Bc4 Nd5 12.Nge2=.

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.

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 (36.Kf3 Qf5+–) 36...Qc2 37.Kg3 h4?? (37...Qg6 38.Kf3 Qf5+–) 38.Qh4+– (38.Kh4?! Qg2 39.f5 Qh2 40.Kg4 Qg2 41.Kf4 Qh2 42.Ke4 Qc2 43.Kd5 Qb3 44.Kc6 Qc4 45.Kb7 Qb5 46.Kc7 Qa5 47.Bb6 Qf5 48.Kd6 Qe6 49.Kc7 Qc4 50.Kb7 Qe4 51.Kb8 Qc6=) 38...Qg6 39.Kf3 d5 (39...f5+–) 40.Qh8 1–0. Huelle,Gunter (1760) – Paulsen,Eckart (1865), Halle GER, 2011.

7.cb5 A) 7...Nbd7 A1) 8.Nf3 Nc5 (8...c5 9.Nc3 d5 10.d3 0–0 11.Be2 d4 12.Ne4 de3 13.fe3 Ne4) 9.Nc3 0–0 10.Be2 d5 11.Ne5 d4 12.Nb1 Be6 13.Ra3 de3; A2) 8.Be2 0–0 (8...e4 9.Nc3 Nc5 10.d4 ed3 11.Bd3 0–0 12.Nf3 b6 13.0–0 Bb7; 8...Nc5 9.Nf3 Be6 10.Nc3 Bb3 11.Qc1 0–0 12.d4 ed4 13.Nd4 Ba4) 9.Nf3 e4 10.Nd4 Ne5 11.Nc3 c5 12.bc6 bc6 13.0–0 c5; A3) 8.Nc3 0–0 (8...Nc5 9.Nf3 0–0 10.Be2 b6 11.0–0 Bb7 12.d4 ed4 13.Nd4 Qd7; 8...e4 9.Nge2 0–0 10.Nf4 Ne5 11.Qc2 Bf5 12.a5 c6 13.a6 ba6; 8...h6 9.Nf3 0–0 10.Be2 c5 11.bc6 bc6 12.0–0 Rb8 13.Rb1 e4) 9.Nf3 e4 10.Nd4 Ne5 11.Qc2 d5 12.Be2 c6 13.f4 ef3; B) 7...e4 B1) 8.Nc3 Nbd7 (8...0–0 9.Nge2 Nbd7 10.Nf4 Ne5 11.d4 Ng6 12.Ng6 hg6 13.Be2 b6; 8...d5 9.Nge2 Nbd7 10.Nd4 0–0 11.Be2 Ne5 12.0–0 c5 13.bc6 bc6) 9.Nge2 0–0 10.Nf4 b6 11.d4 ed3 12.Bd3 Bb7 13.0–0 Ne5; B2) 8.d3 Nbd7 (8...d5 9.Nc3 0–0 10.de4 de4 11.Nge2 Qd1 12.Kd1 Nbd7 13.Kc2 Ng4; 8...0–0 9.Nc3 d5 10.de4 de4 11.Nge2 Qd1 12.Kd1 Nbd7 13.Kc2 Ng4) 9.de4 0–0 10.Nc3 Nc5 11.Bd3 Nd3 12.Qd3 Nd7 13.Nf3 Nc5; B3) 8.Ne2 0–0 (8...Nbd7 9.Nbc3 0–0 10.Nf4 Nc5 11.d4 Ne6 12.Nfd5 Nd5 13.Nd5 Bg5) 9.Nbc3 Nbd7 10.Nf4 Ne5 11.d4 ed3 12.Bd3 b6 13.0–0 Bb7; C) 7...h6 C1) 8.Nc3 0–0 (8...b6 9.Nf3 0–0 10.Be2 c5 11.Qc2 Be6 12.0–0 Nbd7 13.Nh4 d5) 9.Be2 d5 10.Qc2 e4 11.d4 Bb4 12.Qb3 c5 13.Nh3 Bh3; C2) 8.Be2 0–0 (8...Be6 9.Nc3 Nbd7 10.Nf3 0–0 11.d4 c5 12.d5 Bf5 13.0–0 Qc7) 9.Nc3 d5 10.Qc2 e4 11.d4 Bb4 12.Nh3 Bh3 13.gh3 Qd6; D) 7...0–0 D1) 8.Be2 e4 (8...g6 9.d3 Nbd7 10.Nc3 Nc5 11.Nf3 Be6 12.0–0 Bb3 13.Qe1 Na4; 8...c6 9.Nc3 d5 10.Qc2 e4 11.Nh3 Bh3 12.gh3 Nbd7 13.0–0 Nc5; 8...d5 9.Be5 Nbd7 10.Bf6 Bf6 11.Nc3 Nc5 12.Nf3 Ne4 13.0–0 Nc3) 9.Nc3 Nbd7 10.Nh3 Nc5 11.Nf4 d5 12.d4 ed3 13.Nd3 d4; D2) 8.Nc3 d5 9.Qc2 g6 10.Nf3 e4 11.Nd4 c5 12.Nde2 Qd6 13.Nf4 Nbd7.

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 (30...Qc7 31.h5+–) 31.b6 Qa8 (31...Bf5 32.Qa7 Bc3 33.dc3+–) 32.Qa7 (better is 32.Qa8 Ra8 33.Kb3 Bc6+–) 32...Qc6 (32...Bc3 33.dc3 Bf5+–) 33.b7 Bc3 (33...Qg2 34.h5 Kh7 35.b8Q Rb8 36.Qb8+–) 34.dc3 Kg7 (34...Qg2 35.b8Q Rb8 36.Qb8 (36.Qd7 Ra8 37.Kb3 Qf2–/+) 36...Kg7 A) 37.Qd6?! Qa8 38.Kb2 Qb7 39.Kc2 Bf5 40.Kd2 Bb1 41.Qe5 f6 42.Rb1 Qb1 (42...fe5?? 43.Rb7 Kf6 44.Rb6 Kg7 45.Rc6+–) 43.Qe7 Kg8+–; B) 37.Qd8+–) 35.b8Q (better is 35.f3!? Be6 36.b8R Rb8 37.Rb8 Bc4+–) 35...Rb8 36.Rb8 Be6 (36...Qg2 37.Rhb1 Be6 38.Qe7+–) 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 a6 7.Be2 (7.d4 ed4 8.ed4 0–0 9.Nf3 Qa5 10.ba6 ba6 11.Qd2=; 7.Qa4 0–0 8.Nf3 Nbd7 9.Bd3 Nb6 10.Qc2 Bg4 11.ba6+=; 7.Nf3 ab5 8.Nb5 0–0 9.d3 Bd7 10.Be2 Bb5 11.cb5+=; 7.Qf3 ab5 8.cb5 d5 9.Qg3 Ng4 10.Nh3 e4 11.b6+=; 7.a4 0–0 8.d4 Be6 9.d5 Bf5 10.Nf3 Qa5 11.Qd2=) 7...ab5 8.Nb5 Nc6 9.Nf3 0–0 10.d3 Bg4 11.0–0=.

6.Nc3 b6 7.e4 (better is 7.Qf3!? d5 8.Nd5 Nd5 9.Qd5 (9.cd5 Qd6 10.Rc1 Nd7 11.d4+/–) 9...Qd5 10.cd5+/– Bd6 11.f4+/–) 7...Bb7 (7...a6 8.ba6 Ra6 9.Nf3 Nc6 10.Be2 0–0 11.0–0=) 8.d3 Nbd7 (8...0–0 9.Nf3 Nfd7 10.Be2 a6 11.0–0=) 9.h4 (9.Be2 0–0 10.Nf3 a6 11.ba6=) 9...h5 (9...0–0 10.g4+= (10.Nf3 a6 11.ba6+=) 10...a6 11.g5+=) 10.g3 (10.Be2 a6 11.Nh3=) 10...Nf8 (10...0–0 11.Be2=) 11.Bh3 (11.Nge2=) 11...Ne6 12.a4 Nd4 13.a5 (13.Nge2 Nf3 14.Kf1 0–0+=) 13...ba5+= 14.Na4 Ne4 (better is 14...0–0!?+=) 15.de4+= Be4 16.Bd4 (16.f3!? Bg6 17.Bd4 cd4 18.f4+=) 16...Bh1= 17.Bc3 Bb7 18.Qd2 Bf6 (18...0–0 19.Ba5 Qe8 20.Nc3=) 19.Ba5 Qe7 20.Rd1 a6 21.b6 (worse is 21.Qd6 Qd6 22.Rd6 ab5 23.Nc5 Bc8=) 21...Rd8 22.Nc3 0–0 23.Nd5 Bd5 24.Qd5 e4 25.b7 Rb8 26.Rb1 (26.Bc8!?+/–) 26...e3 27.f3 Bh4 28.Ke2?? (better is 28.gh4 Qh4 29.Kd1+=) 28...Bg3–/+ 29.Qe4 (29.Bf5 Bf4–/+) 29...Rfe8 30.Qe7 Re7 31.Bc8 Be5 32.Bd8 (32.Nh3!?–/+) 32...Re8–+ 33.Bc7 Rec8 34.bc8Q Rc8 35.Ba5 Bd4 (35...g5!?–+) 36.Rb6–/+ g5 37.Rd6 Rb8 38.Rd8 (38.Ra6 Rb1 39.Be1 Kg7–+) 38...Rd8–+ 39.Bd8 g4 (better is 39...f6!?–+) 40.fg4–/+ hg4 41.Bg5 f5 42.Be3 f4! 43.Bd4 (43.Bf4 Bg1) 43...f3?? (43...cd4 44.Kf2 d3–+) 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.

6.d3 a6 7.a4 (7.Qa4 Nbd7 8.Nc3 Nb6 9.Qb3 ab5 10.Nb5 0–0 11.Nf3+=) 7...Nbd7 8.Nf3 Qa5 9.Qd2 Qc7 10.Nc3 0–0 11.Be2=.

6.Be2 b6 7.d3 (7.Bf3 e4 8.Bf6 ef3 9.Qf3 Bf6 10.Qa8 Ba1 11.Qb8 Bf5 12.Qd8 Kd8+=) 7...Bb7 8.Bf3 Bf3 9.Qf3 Nbd7 10.Ne2 0–0 11.0–0 h6 12.Nbc3 Nh7 13.Nd5 f5 (13...Ndf6 14.Nf6 Nf6 15.Qg3+=) 14.Ne7 (14.Qh5 Qe8 15.Ng3 Qh5 16.Ne7 Kf7 17.Nh5 Ke7 18.Ng7 a6+/–) 14...Qe7+= 15.Qd5 Kh8 16.Rae1 Ndf6 17.Qc6 Ng5 (better is 17...Rac8!? 18.Qf3 Ng5 19.Qf5 Nfe4=) 18.f4+/– Rac8 (18...Nf7 19.Ng3 g6 20.a3+/–) 19.fg5 Rc6 20.gf6 Qf6 21.bc6 Rc8 22.e4 (22.Ng3 g6+/–) 22...f4 (22...Qg5 23.Nc3+= (worse is 23.Rf5 Qd2 24.Bc3 Qd3–/+)) 23.Nf4! Rc6? (23...ef4 24.Bf6 Pinning (24.Bf6 Deflection)) 24.Nd5+– Qd8 (24...Qh4 25.Rf8 Kh7 26.Ref1+–) 25.Rf7 a6 26.Ref1 Kg8 (26...Rc8 27.Bc1 Qe8+–) 27.Ne7 (27.Ne7 Kh7 28.Nc6+–) 1–0. GuestCMWC – GuestBWDV, freechess.org, 2017.

6.Nc3 0–0

7.Nf3 a6 8.ba6 Na6 9.Be2+=.

7.Nf3 b6 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 (28...Nd7 29.Rc1–/+) 29.Nc1 Nd7 30.Re2 (30.f4 Ra3–/+) 30...Qg4 31.Qb3 Ne5 32.f4 Ra3 (32...Nf3 33.Rb2 Nd4 34.Qd3–+) 33.Qc2 Nf3 34.Re6 (34.Nb3 Ra2 35.Qa2 Ra2 36.Ka2 Nh4–+ (36...Qg3?! 37.Rd3 Qg4 38.h5–+)) 34...Nd4 35.Rd4 cd4 36.Qd2 d3 (36...R7a4 37.Rd6 Rc4 38.Rc6 Rc6 39.dc6 Qg3 40.Qc2 Qc3 41.Qb2–+) 37.Re3 Qh3 (37...R3a4 38.Qd3 Rc7 39.Ne2 Rcc4 40.Re6–+) 38.Rd3 R3a4 39.Qc2 g6 40.Rb3 Qf1 41.Rb1 (41.Rc3 h5–+) 41...Qg1 (41...h5 42.Qd2–+) 42.h5 (42.Qd3 Qc5 43.Rb5 Qc7–+) 42...Qg3 (42...Qd4 43.Qb2 Qc4 44.Qd2–+) 43.hg6 Kg6 (43...Qg6?! 44.Rb6 Qg4 45.Rd6 Qf4 46.Rc6–+) 44.Rb6 (44.Ne2 Ra2 45.Qa2 Ra2 46.Ka2 Qd3–+) 44...Qf4 45.Rb2 (45.Rc6–+) 45...Rc4 46.Qg2 Kf6 (46...Qg5 47.Nb3–+) 47.Nb3 (47.Ne2 Qg5 48.Qh2 Ke7–+) 47...Rg7 48.Qe2 (48.Qh2 Qh2 49.Rh2 Ke5–+) 48...Re4 49.Qd2 (49.Qf2 Ke5–+) 49...Qe5 (49...Rg1 50.Rb1 Qe5 51.Qb2 Rb1 52.Kb1 Re1 53.Nc1 Qb2 54.Kb2–+) 50.Kb1 (50.a3 f4 51.Ka2 Rg5–+) 50...Re1 (better is 50...Rg1 51.Nc1 Rc1 52.Kc1 Re1 53.Kc2 Qe4 54.Kb3 Re3 55.Qe3 Qe3 56.Ka4 Qa7 57.Kb3 Qb7 58.Kc3 Qd5 59.Rd2 Qc6 60.Kd3 Qe4 61.Kc3–+) 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.

7.Nf3 Bf5 8.d3 a6 9.Be2 ab5 10.Nb5 Re8 11.0–0=.

5.b5 c6

6.a4 cb5 7.ab5 a6 8.Nc3 0–0 9.Nf3 Bg4 10.Be2 e4 (10...Qb6 11.d4=) 11.Nd4 Be2 12.Qe2 Nbd7 13.ba6 ba6 14.0–0 Nc5 (14...Ne5 15.f3 Qc7 16.fe4 Qc4 17.Nf5+=) 15.Nc6 (15.f3 ef3 16.Rf3 Qc7+=) 15...Qc7 16.Ne7 Qe7 17.f3 Nd3 18.Ba3 Nc5 19.fe4 Nfe4 (19...Nce4 20.Bb2+=) 20.Bb2 (20.Nd5 Qd8+/–) 20...Qe6 21.Nd5 Rfc8? (better is 21...Nb3 22.Rad1 Ra7+=) 22.d3+– Ng5 23.h4 Rab8 (23...Nge4 24.de4 Rc6 25.Rf4+–) 24.Bd4 (better is 24.hg5!? Rb3 25.Bd4 Rcb8+–) 24...Nb3 25.Bg7 (25.Ra2!? Nd4 26.ed4 Qe2 27.Re2 Ne6 28.Ne7 Kh8 29.Nc8 Rc8 30.Rf7 Kg8+–) 25...Kg7 26.hg5 (better is 26.Ra6 Ne4 27.de4+–) 26...Na1= 27.Ra1 Qe5 28.Rf1 (28.Qf1!? Rc6 29.Qf6 Kf8 30.Kf2 Rb2 31.Kf3 Qf6 32.gf6+/– (32.Nf6?! Kg7=)) 28...Qg5+= 29.Qf3 Rb7 30.Qh3 Re8 0–1. GuestPSTG – GuestHXNG, freechess.org, 2017.

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.d4 e4 7.d5 a6 8.Qa4 0–0=.

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 (29...f6 30.g3 Qe4 31.Qc7+–) 30.Qc8 Qc8 31.Nc8 a6 (31...a5 32.Nd6 a4 33.Nb7+–) 32.ba6 (better is 32.b6!? Ke8 33.Nd6 Kd7 34.Nb7 Kc6 35.Nd8 Kb6 36.Nf7 a5+–) 32...ba6 33.Nd6 Ke7 (33...a5 34.Nc4 a4 35.e4+–) 34.Nb7 h5 (34...f5 35.Kf1+–) 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 (43.Nd6 a3 44.Ne4 Kg6+–) 43...a3 44.Nc2 a2 45.e4 Ke6 (45...Kg6 46.e5 Kf7 47.Kf5+–) 46.e5 Kd5 (46...Ke7+–) 47.Kf5 (better is 47.Nb4 Ke6 48.Na2 Ke7+–) 47...Kc4 (47...h4 48.gh4 Kc4+–) 48.Na1 Kc3 49.e6 Kb2 50.e7 Ka1 51.e8Q Kb2 52.Qe2 (better is 52.Qb5 Ka3 53.Qc5 Kb3+–) 52...Kb1 (52...Kb3 53.Qe5+–) 53.Kg5 (better is 53.Qb5 Kc2 54.Qc4 Kb2 55.Qb4 Kc2 56.Qa3+–) 53...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 e4 7.Nd4+= c5 8.Nb3 a6=.

6.Nf3 Bg4 7.Be2= 0–0 (7...a6 8.bc6 bc6=) 8.0–0 Qb6 (8...cb5 9.cb5 Nbd7 10.Nc3=; 8...a6=) 9.a4 Nbd7 10.d4 e4 11.a5 Qc7 12.Nfd2 Be6 13.Nc3 d5 14.Qb3 (14.bc6 bc6 15.Ba3 Ba3 16.Ra3 Rab8=) 14...Rfe8 (14...Bd6 15.h3=) 15.Rfc1 (15.cd5 cd5 16.Ba3=) 15...Qd6 (15...dc4 16.Nc4 Bd6 17.h3=) 16.c5 (16.a6 Qb8 17.ab7 Qb7 18.bc6 Qc6 19.cd5 Nd5 20.Nd5 Qd5+/–) 16...Qb8 (16...Qc7 17.a6+=) 17.b6 (17.a6 Rc8+=) 17...a6 18.Na2 Bg4 19.Qd1 Be2 20.Qe2 Nf8 21.Nb4 Ng6 22.g3 (22.f3 ef3 23.Qf3 Qc8=) 22...Qc8+= 23.Kg2 h6 (23...Qf5 24.Rf1+=) 24.h3 (24.Rf1 Qe6=) 24...Nh7 25.Rh1 Ng5 26.h4 Nh7 (26...Ne6 27.Rad1=) 27.f4 (27.f3 ef3 28.Qf3 Qe6=) 27...ef3 (27...Nf6!?+=) 28.Qf3= Nf6 29.h5 (29.Rae1 Qe6=) 29...Nf8+= 30.Raf1 Qg4 31.Nd3 N8h7 32.Ne5 Qf3 33.Ndf3 Ne4 34.Nh4 (34.Bc1 Bf6=) 34...Bf6 35.Nhf3 Re7 36.Ng4 Rae8 37.Bc1 Nhg5 (37...Bg5 38.Nge5+=) 38.Nf6 Nf6 (worse is 38...gf6 39.Nh4 Re6 40.Nf5+=) 39.Ne5 (39.Ng5 hg5 40.Rf5 Ne4=) 39...Nfe4 40.Re1 (40.Rf5 Re6+=) 40...Nc5 (40...Re5!? 41.de5 Nc5–/+) 41.Nc6+= Re6 42.dc5 (42.Nb4 Nb3 43.Nd5 Rc8+= (worse is 43...Na5 44.Nc7=)) 42...Rc6–/+ (42...bc6?! 43.Re2=) 43.Ba3 Ne4 44.Rc1 (44.Bb4!?–/+) 44...Ng3!–+ 45.Rh3 (45.Kg3 Re3) 45...Ne4 46.Rhh1 (46.Bb2 Rc5 47.Rc5 Nc5–+) 46...Nf6 (46...Nd2 47.Rhd1 Nc4 48.Rd3–+) 47.Kf3 (47.Rh3 Re5–+) 47...Re5 (47...Rce6 48.Rhe1–+) 48.Bb2 Rf5 49.Kg2? (better is 49.Ke2 Nh5 50.Rh3–+) 49...Nh5 (49...Rh5?! 50.Bf6 Rh1 51.Kh1 gf6 52.Kg2–+) 50.Bd4 (50.Kh3 Rg6 51.Rcf1 Rfg5–+) 50...Nf6 (50...Rg6 51.Kh3 Nf4 52.ef4 Rh5) 51.Rc2 (51.Bf6 Rcf6 (51...gf6?! 52.Rh6 Kg7 53.Rh4=; 51...Rff6?! 52.Rh5–+) 52.Rh2 Rf2 53.Kg1 Rh2 54.Kh2 Rc6–+) 51...Ne4 52.Kg1 (52.Rh4 Rg5 53.Kf1 f6–+) 52...Rg5 (better is 52...Rg6 53.Rg2 Ng3–+) 53.Rg2 Rg2 (better is 53...Nc5!? 54.Rg5 hg5 55.Rh2–+) 54.Kg2 Kh7 55.Rh5 (55.Rf1 Kg6–+) 55...g5 (55...Nc5?! 56.Rd5 Rg6 57.Kf3–+) 56.Rh1 Kg6 57.Kf3 Nd2 58.Ke2 Nb3 59.Rf1 (59.Kd3 h5–+) 59...f5 60.Rd1 Nd4 (better is 60...h5–+) 61.ed4 g4 62.Kf2 (62.Re1 Rc8–+) 62...h5 (better is 62...f4–+) 63.Re1 Kf7 64.Re5 Kg6?? (better is 64...Rf6–+) 65.Re7+= Kg5 66.Rb7 Kf4 67.Rg7 h4 (67...Rc8 68.b7 Rb8+–) 68.b7 g3 69.Kg2 h3 70.Kh3 (better is 70.Kf1 g2 71.Kf2+–) 70...Rh6+/– 71.Kg2 Rh2 72.Kg1?? (better is 72.Kf1 Rb2 73.c6+–) 72...Rb2+= 73.c6 Kf3 74.Rg3 Kg3 75.Kf1 Kf3 (75...Rb1 76.Ke2 f4+–) 76.Ke1 Ke3 77.Kd1 f4 (77...Kd3 78.Kc1 Rc2 79.Kb1 Rc6 80.b8Q Kd4 81.Qf4 Kc5 82.Kc2+–) 78.c7 Rb7 (78...Rb1 79.Kc2 Rb7 80.c8Q+–) 79.c8Q Rb1 (79...Re7 80.Qa6 f3 81.Qh6 Kd3 82.Qf6+–) 80.Kc2 Ra1 (80...Rh1+–) 81.Qc3 Ke2 82.Qa1 f3 83.Qd1 Kf2 84.Qd3 Ke1 85.Qa6 (85.Qd2 Kf1 86.Qh2 f2 87.Qg3 Ke1 88.Kd3 Kf1 89.Ke3 Ke1 90.Qf2 Kd1 91.Qd2) 85...f2 86.Qf6 1–0. Bittner – Schladt, 1987.

6.a4 Nbd7

7.a5 A) 7...a6 8.b6 0–0 9.d4 A1) 9...Rb8 10.Be2 ed4 (10...Qe8 11.Nd2 ed4 12.Bd4 Nc5 13.Ngf3=) 11.Bd4 Re8 (11...Nc5 12.Nf3 Nfe4 13.Nc3=) 12.Nf3 Nc5+= 13.0–0=; A2) 9...Re8 10.Ne2 Rb8 11.Nbc3 Nf8 12.Qd3 Ne6 13.Rd1=; B) 7...cb5 8.cb5 B1) 8...0–0 9.d4 e4 10.Nd2 (10.Nc3 a6 11.b6 d5 12.Ba3 Ba3 13.Ra3=) 10...b6 11.a6 (11.ab6 Nb6 12.Qc2 Bf5+= 13.Ne2=) 11...Nb8 12.d5 Nbd7 13.Rc1=; B2) 8...d5 9.Nf3 (9.d4 e4 10.Nd2 Bb4 11.Qa4 Bd2 12.Kd2 b6 13.Qa3=) 9...e4 (9...Bd6 10.Be2 Qc7 11.Nc3 0–0 12.b6 ab6 13.Nb5+=) 10.Nd4 Ne5 (10...0–0 11.Be2 Bb4 12.Bc3 Bd6 13.Nf5=) 11.Be2 Bd6 (11...0–0 12.0–0 Bg4 13.f3=) 12.d3 ed3= 13.Bd3=; C) 7...0–0 8.d4 C1) 8...Re8 C11) 9.Be2 e4 10.Nh3 d5 11.Nf4 (11.0–0 Nb8 12.Nf4 g5 13.Nh3+=) 11...Bb4 12.Bc3 Bd6+= 13.0–0+=; C12) 9.Nd2 a6 10.b6 ed4 11.Bd4 Ne5 12.Ngf3 Nfd7 13.Be2=; C2) 8...a6 9.b6 Re8 10.Be2 C21) 10...Rb8 11.Nf3 ed4 (11...e4 12.Nfd2 Bf8 13.Nc3+=) 12.Nd4 (12.Bd4 Nc5 13.Bc5=) 12...Ne4+= 13.Nd2+=; C22) 10...ed4 11.Bd4 Nc5 12.Nf3 Nfe4 13.Nbd2=; C3) 8...e4 9.Nd2 (9.Nc3 d5 10.Qa4 cb5 11.cb5 a6 12.Ba3 Ba3 13.Ra3=; 9.Qa4 Rb8 10.Nd2 Re8 11.Be2 d5 12.cd5 Nd5 13.Ne4+=; 9.Qd2 cb5 10.cb5 Re8 11.d5 Ng4 12.Na3 Nc5 13.Nc4+=; 9.d5 Nc5 10.Nc3 cb5 11.cb5 Ng4 12.Qc2 Bf5 13.Nf3+=) 9...Rb8 (9...Re8 10.g4 Nf8 11.g5 N6d7 12.Ne4 d5= 13.cd5+=) 10.Ne2 d5 11.Nc3 dc4 12.Bc4 cb5 13.Bb5=; C4) 8...c5 9.Be2 (9.d5 Re8 10.Nc3 Bf8 11.g4 g6 12.Be2 h6 13.h4=; 9.Nc3 ed4 10.ed4 Re8 11.Be2 cd4 12.Qd4 Nc5 13.Qd1=) 9...ed4 10.ed4 Re8 (10...a6 11.b6 d5 12.Nf3 cd4= 13.0–0=) 11.Nf3 d5 12.0–0 cd4 13.Bd4=; C5) 8...cb5 9.cb5 e4 10.Nd2 C51) 10...b6 11.a6 d5 (11...Nb8 12.d5 Nbd7 13.Rc1=) 12.Ba3 Ba3= 13.Ra3=; C52) 10...a6 11.b6 d5 12.Ba3 Nb8 13.Be7=.

7.Nc3 0–0 A) 8.Rb1 A1) 8...cb5 9.ab5 Nc5 10.d4 ed4 11.ed4 Nce4 12.Bd3 Nc3= 13.Bc3=; A2) 8...a6 9.bc6 bc6 A21) 10.d4 ed4 11.ed4 d5 A211) 12.cd5 Nd5+= (12...cd5 13.Bd3+=) 13.Bd3+=; A212) 12.Bd3 dc4 13.Bc4+=; A22) 10.Nf3 Rb8 11.d4 Qa5 12.Qc2 Nb6 13.Ba1+=; A3) 8...c5 9.Nf3 Re8 (9...Nb6 10.d3 Bf5 11.Be2 Nbd7 12.0–0 a6 13.ba6=) 10.Be2 A31) 10...b6 11.0–0 (11.d3 Bb7 12.e4 a6 13.0–0=) 11...Bb7 A311) 12.d4 cd4 (12...a6= 13.d5+=) 13.ed4=; A312) 12.Qc2 a6 13.d3=; A32) 10...a6 11.0–0 ab5 12.ab5 Nb6 13.d3=; A4) 8...Nb6 A41) 9.a5 Nbd7 10.Ra1 Re8 11.Nf3 a6 12.b6 e4 13.Nd4+=; A42) 9.Nf3 e4 (9...Rb8 10.d4 Bf5 11.de5 de5 12.Qd8 Rfd8 13.Ra1+=) 10.Ng5 d5 11.bc6 bc6 12.cd5 cd5–/+ 13.f3–/+; A43) 9.bc6 bc6 10.Nf3 Rb8 11.c5 Nbd7 12.cd6 Bd6 13.Qc2=; A5) 8...Re8 9.bc6 (9.Nf3 e4 10.Nd4 Ne5 11.bc6 bc6 12.Be2 c5 13.Ndb5+=) 9...bc6 A51) 10.Nf3 e4 A511) 11.Ng5 d5 (11...Nc5 12.Ba3 d5+= 13.cd5+=) 12.cd5 cd5 13.Be2+=; A512) 11.Nd4 Ne5 12.Be2 c5 13.Ndb5+=; A52) 10.Be2 Nc5 11.Nf3 Bf5 12.d3 Rb8 13.0–0+=; B) 8.Be2 B1) 8...d5 9.cd5 (9.d4 dc4 10.Bc4 Nb6 11.Be2 ed4 12.Qd4 Qd4 13.ed4+=) 9...cd5 B11) 10.d4 e4 11.Ba3 (11.Qb3 Nb8 12.Ba3 Ba3= 13.Qa3=) 11...Ba3 12.Ra3 Nb6 13.a5=; B12) 10.Nf3 e4 11.Nd4 Bd6 12.d3 Nc5 13.Rc1=; B2) 8...e4 B21) 9.d3 Qa5 (9...d5 10.cd5 cd5 11.de4 de4 12.Nh3 Qa5= 13.0–0=) 10.Rb1 Nb6 11.Qb3 d5 12.bc6 dc4 13.dc4–/+; B22) 9.d4 d5 10.bc6 bc6 11.Ba3 Rb8 12.cd5 Ba3 13.Ra3+=.

7.d4 0–0 A) 8.Be2 A1) 8...a6 A11) 9.Nc3 ed4 10.ed4 d5 11.bc6 bc6 12.Nf3 Rb8 13.Qc2+=; A12) 9.Nd2 ab5 (9...e4 10.Nh3 ab5 11.ab5 Ra1 12.Qa1 cb5 13.cb5=) 10.ab5 Ra1 11.Qa1 Qc7 (11...Re8 12.Ngf3 cb5= 13.de5=) 12.de5 de5 13.bc6=; A13) 9.Nh3 ed4 10.Bd4 ab5 11.ab5 Ra1 12.Ba1 d5 13.cd5=; A2) 8...c5 A21) 9.Nf3 cd4 10.ed4 A211) 10...Qc7 11.Nc3 (11.0–0 e4 12.Nfd2 d5= 13.cd5=) 11...Rd8 12.Qd3 ed4 13.Qd4=; A212) 10...e4 11.Nfd2 d5 12.0–0 Qc7 13.c5=; A22) 9.d5 a6 10.Nf3 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.0–0=; A3) 8...Re8 9.Nf3 e4 10.Nfd2 d5 11.Nc3 cb5 12.ab5 dc4 13.0–0=; A4) 8...e4 9.Nc3 (9.Qc2 d5 10.bc6 bc6 11.Ba3 c5 12.cd5 cd4 13.d6+=) 9...d5 10.bc6 bc6 11.Ba3 Rb8 (11...Ba3 12.Ra3 Rb8 13.a5+=) 12.cd5 Ba3+= 13.Ra3+=; B) 8.Nd2 B1) 8...Qa5 B11) 9.Qc2 ed4 10.Bd4 Nc5 (10...Ne5 11.Be2 a6 12.Ngf3 Bg4= 13.0–0=) 11.Ngf3 Nfe4 12.Be2 Bf5 13.Qb2=; B12) 9.Be2 c5 10.Qc2 ed4 11.ed4 Re8 12.Ngf3 Bf8 13.d5=; B13) 9.Ne2 c5 10.Bc3 Qc7 11.de5 de5 12.a5 Rd8 13.Ng3=; B2) 8...c5 9.de5 de5 B21) 10.Ngf3 Qc7 11.Bd3 b6 12.Ne4 (12.Qc2 a6 13.0–0=) 12...Rd8= 13.Qc2=; B22) 10.Bd3 Bd6 11.Ngf3 Qe7 12.Qc2 a6 13.0–0=; B3) 8...a6 B31) 9.Ngf3 e4 10.Ng5 d5 11.cd5 cd5 12.Ba3 Ba3+= (12...Nb8 13.h4+=) 13.Ra3+=; B32) 9.bc6 bc6 10.Rb1 Qa5 11.Ne2 Ne4 12.Ng3 d5 13.Nge4=; B33) 9.Be2 e4 10.f3 ab5 11.cb5 cb5 12.fe4 ba4 13.Ra4=.

7.d4 c5 A) 8.Qf3 A1) 8...e4 9.Qg3 0–0 10.Be2 cd4 A11) 11.Bd4 Nc5 12.Ra3 (12.Nc3 Nb3 13.Rb1+=) 12...a6+= 13.Nh3+=; A12) 11.ed4 d5 12.c5 Ne8 13.Nh3=; A2) 8...cd4 9.ed4 0–0 10.Nd2 A21) 10...Re8 11.Be2 ed4 12.Bd4 a6 (12...Qc7+= 13.a5+=) 13.Nh3+=; A22) 10...ed4 11.Bd4 Re8 12.Be2 Nc5 13.a5+=; A3) 8...0–0 A31) 9.Nd2 ed4 (9...Re8 10.d5 a6 11.Bd3 ab5 12.ab5 Ra1+= 13.Ba1+=) 10.ed4 cd4 11.Bd4 Re8 12.Be2 a6 13.Nh3+=; A32) 9.a5 cd4 10.ed4 d5 11.a6 ba6 12.cd5 Bb4 13.Nd2–+; A33) 9.Ne2 Re8 10.Nd2 ed4 11.ed4 cd4 12.Bd4 Nc5 13.a5+=; A34) 9.d5 a6 10.Bd3 Re8 11.Ne2 ab5 12.ab5 Ra1 13.Ba1=; A4) 8...ed4 9.ed4 0–0 10.Be2 (10.a5 Re8 11.Be2 cd4 12.Bd4 d5 13.cd5–/+) 10...cd4 11.Bd4 Nc5 12.Nd2 Re8+= (12...d5 13.cd5+=) 13.a5+=; B) 8.Nf3 cd4 9.ed4 0–0 10.Nc3 (10.Be2 e4 11.Nfd2 d5 12.c5 Re8 13.0–0=) 10...Re8 (10...Qc7 11.Be2 Re8 12.a5 e4 13.Nd2=) 11.Be2 e4 12.Nd2 d5= 13.Qb3=.

7.Be2 Nc5 (7...0–0 8.d4+= Re8 (8...c5 9.Nf3 cd4 10.ed4 e4 11.Nfd2 d5 12.c5 Re8=) 9.Nf3 e4 10.Nfd2 d5 11.Nc3 cb5 12.ab5 dc4=) 8.d4= (8.Nf3 e4 9.Nd4 Bg4 10.f3 ef3 11.gf3 Bh3 12.d3 cb5=) 8...ed4 9.ed4 (9.Qd4? Nb3 10.Qd3 Na1 11.Ba1 a6–+) 9...Nce4 10.Nd2 (10.Nf3 0–0 11.0–0 Re8 12.Nbd2 Bf5=) 10...0–0 (10...Nd2 11.Qd2 Ne4 12.Qe3 Qa5+=) 11.Ngf3 d5 12.c5 Qc7 (12...b6=) 13.0–0 b6 14.cb6 ab6 15.bc6 Qc6 16.Bb5 Qd6 17.Bd3 (17.Ba3 Qd8=) 17...Bg4 18.Qc2 (18.Ba3 Qe6 19.Be7 Qe7=) 18...Qf4 (18...Rfc8 19.Qb1 Nd2 20.Nd2+=) 19.g3 (19.Bc1!? Qf5 20.Ne5+=) 19...Qf5+= 20.Nh4 Qh5 21.Be4 (21.f3 Rfc8 22.Qd1 Nd2 23.fg4 Qg5=) 21...Ne4 22.Ne4 (22.f3 Nd2 23.fg4 Qg5–/+) 22...Bh4–/+ 23.Ba3 (better is 23.Nd2!? Rfc8 24.Qb3–/+) 23...Rfc8–+ (23...de4?! 24.Bf8 Bf6 25.Bd6–/+) 24.Qb3? (24.Nc3 Bh3 25.Qd1 Qd1 A) 26.Rad1?? Rc3 (26...Bf1?! 27.Nd5 Be2 28.Re1–+) 27.Bb2 Rc2–+; B) 26.Rfd1 Rc3 27.gh4 Ra4 28.Bb2–+) 24...de4 25.gh4 (25.Rfc1 Rc1 26.Rc1–+) 25...Be2 (better is 25...Bf3 26.Qf3 ef3 27.Kh1–+) 26.Rfe1?? (26.Rfc1 Bf3 27.Kf1 Qg4–+) 26...Bd3 (26...Bf3 27.Kf1 Qg6 28.Re2 Qg2 29.Ke1 Qg1 30.Kd2 Qa1 31.Bb2–+) 27.Qb6?? (better is 27.Bd6–+) 27...Qg4 (27...Ra4?! 28.Qd6 Ra6 29.Rec1–+) 28.Kh1 Be2 (better is 28...Ra6 29.Qa6 Qf3 30.Kg1 Ba6 31.Bd6–+) 29.Rg1 (29.Re2 Qe2 30.Qb3 Qf2 31.Bc5–+) 29...Bf3 0–1. Meybohm,Dirk – Maetzig, 1984.

7.Ne2 A) 7...e4 A1) 8.Nf4 A11) 8...Ne5 9.Qc2 (9.d4 ed3 10.Bd3 g5 11.Ne2 Be6 12.Be5 de5= 13.bc6=) 9...Bf5 10.Be2 0–0 11.0–0 Qc7 12.Na3 g5 13.Nh5=; A12) 8...d5 9.cd5 cd5 A121) 10.Be2 0–0 11.0–0 Nc5 (11...Bd6 12.d3 Nc5 13.de4=) 12.Be5 (12.Bd4 Ne6 13.Ne6=) 12...g5= (12...Bd6 13.Bd6=) 13.d4=; A122) 10.Nc3 Nc5 11.Be2 0–0 12.0–0 g5 13.Nh5=; A13) 8...0–0 9.d4 d5 10.Ba3 A131) 10...cb5 11.Be7 Qe7 12.cb5 a5 (12...Rd8= 13.Nc3=) 13.Be2=; A132) 10...Ba3 11.Ra3 cb5 12.ab5 dc4 13.Bc4+=; A2) 8.d4 A21) 8...d5 A211) 9.Nf4 cb5 10.Nd5 Nd5 11.cd5 ba4 12.Qa4 0–0 13.Nc3=; A212) 9.bc6 bc6 10.Ba3 (10.Nd2 0–0 11.Ba3 Rb8 12.Qc2 Ba6 13.Be7+=) 10...Ba3 A2121) 11.Ra3 Ba6 12.Nec3 (12.Nd2 Bc4+= 13.Nc4+=) 12...Qe7 13.Ra2+=; A2122) 11.Na3 0–0 12.Nc3 Rb8 13.Be2=; A213) 9.c5 0–0 10.Nd2 Qc7 11.Ng3 b6 12.Nf5 Bd8 13.Ba3=; A214) 9.Nec3 0–0 10.Ba3 dc4 11.bc6 bc6 12.Bc4 c5 13.Nd5=; A22) 8...0–0 9.Nec3 (9.Nf4 d5 10.Ba3 dc4 11.Be7 Qe7 12.bc6 bc6 13.Bc4+=; 9.Nd2 d5 10.cd5 cb5 11.Nc3 Nb6 12.Bb5 Bf5 13.0–0=) 9...d5 10.Nd2 Bb4 11.Qb3 Qa5 12.Be2 Rb8 13.Rd1=; A23) 8...ed3 9.Nd4 Ne5 10.Bd3 d5 11.cd5 Nd3 12.Qd3 Qd5+= 13.Qf1+=; A3) 8.Nbc3 A31) 8...Nb6 9.Ng3 Be6 10.Nce4 (10.Nge4 Nc4 11.Bc4 Bc4 12.d3 Be6 13.0–0=) 10...Bc4 A311) 11.Bf6 Bf6 12.Bc4 (12.Nf6 Qf6+= 13.bc6=) 12...Nc4 13.Nf6=; A312) 11.d3 Be6 12.bc6 bc6 13.Qc2+=; A32) 8...0–0 9.d4 (9.Nf4 Ne5 10.d4 ed3 11.Bd3 g5 12.Nh3 Nd3 13.Qd3=; 9.Qc2 d5 10.Nd4 Ne5 11.bc6 bc6 12.cd5 cd5 13.d3=) 9...d5 A321) 10.c5 b6 (10...Nb8 11.Nf4 b6 12.Rc1 a6 13.Be2=) 11.Nf4 Bb7 12.a5 cb5= 13.Bb5=; A322) 10.cd5 cb5 11.Ng3 ba4 12.Nge4 Bb4 13.Ra4=; B) 7...c5 8.Nec3 B1) 8...Qa5 9.Be2 0–0 10.0–0 a6 B11) 11.f4 B111) 11...Nb6 12.Qc2 (12.d3 ef4 13.Rf4=) 12...Re8 (12...ef4= 13.Ne4+=) 13.Ne4+=; B112) 11...Re8 12.d3 ef4 13.Rf4=; B12) 11.d3 Re8 12.Qc2 Nf8 13.Nd2=; B2) 8...0–0 9.Be2 a6 10.0–0 Re8 (10...ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Bb2=) 11.d3 ab5 (11...Nb8 12.f4 ab5 13.ab5=) 12.ab5 Ra1= 13.Ba1=; C) 7...0–0 C1) 8.Ng3 C11) 8...Re8 9.Be2 (9.d4 ed4 10.Bd4 d5 11.cd5 Nd5 12.bc6 bc6 13.Bd3+=) 9...a6 10.d4 ab5 11.ab5 Ra1 12.Ba1 cb5 13.cb5=; C12) 8...a6 9.d4 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 b6 13.Qf3=; C2) 8.Nec3 C21) 8...a6 9.Be2 (9.d4 ab5 10.ab5 Ra1 11.Ba1 Re8 12.Be2 Nb6 13.0–0=) 9...ab5 10.ab5 Ra1 11.Ba1 cb5 12.Nb5 d5 13.Qc2=; C22) 8...Qa5 9.Be2 d5 10.cd5 cd5 11.d4 Rd8 12.0–0 ed4 13.Qd4=; C23) 8...d5 9.cd5 (9.d4 ed4 10.Qd4 Nc5 11.Nd2 Ne6 12.Qd3 d4 13.ed4=) 9...cd5 10.d4 e4 11.Ba3 Ba3 12.Na3 Qe7 13.Qb3=; C24) 8...Re8 9.Be2 Nc5 10.0–0 d5 11.cd5 cd5 12.d4 ed4 13.ed4+=; C3) 8.d4 c5 C31) 9.a5 ed4 10.ed4 d5 11.cd5 Nd5 12.Nbc3 N7f6 (12...Nb4–/+ 13.Ne4–/+) 13.Nd5–/+; C32) 9.Nec3 cd4 10.ed4 Qb6 11.a5 Qd4 12.Qd4 ed4 13.Nd1+=; C33) 9.de5 de5 10.a5 Re8 11.Nbc3 Qc7 12.Ng3 b6 13.a6=; D) 7...a6 8.d4 ab5 9.ab5 Ra1 10.Ba1 cb5 11.cb5 Qa5 12.Nbc3 Nb6 13.Bb2+=.

7.d4 e4

8.Qc2 A) 8...a6 A1) 9.Nc3 ab5 10.cb5 Qa5 11.Bc1 d5 12.Bd2 Qc7 13.bc6+=; A2) 9.bc6 bc6 10.Ne2 Rb8 11.Nbc3 0–0 12.Ng3 d5 13.Ba3=; A3) 9.Nd2 d5 10.Ba3 Ba3 (10...ab5 11.cb5 Ba3 12.Ra3 Nb8= 13.bc6=) 11.Ra3 Qe7 12.Rc3 0–0 13.bc6=; A4) 9.ba6 ba6 10.Nc3 Qa5 11.Nge2 0–0 12.Ng3 d5 13.Be2=; B) 8...0–0 9.Nd2 d5 B1) 10.bc6 bc6 11.Ba3 Rb8 (11...Re8 12.Be7 Qe7 13.cd5=) 12.Ne2 Ba3+= 13.Ra3=; B2) 10.Ba3 Ba3 11.Ra3 cb5 12.ab5 dc4 13.Bc4=.

8.Nc3 0–0 9.g4 (9.Be2 d5 10.bc6 bc6 11.Ba3 Rb8 12.cd5 Ba3 13.Ra3+=) 9...d5 (9...Qa5 10.g5 Ne8 11.Qd2 Bg5 12.Ne4 Bd8 13.Bg2=) 10.g5 Ne8 11.cd5 cb5 12.ab5 Nd6= 13.Ba3=.

8.Nd2 0–0 9.Qc2 d5 A) 10.bc6 bc6 11.Ba3 Rb8 12.Ne2 (12.Be7 Qe7 13.Ne2+=) 12...Ba3= (12...Ba6 13.Nf4=) 13.Ra3=; B) 10.Ba3 cb5 11.ab5 dc4 12.Bc4 Nb6 13.Bb3=.

8.Be2 A) 8...d5 A1) 9.bc6 bc6 10.Ba3 0–0 11.Be7 Qe7 12.c5 (12.Nc3 dc4 13.Bc4+=) 12...a5 (12...Rb8= 13.Nc3=) 13.Nc3=; A2) 9.c5 Qc7 10.Nh3 0–0 11.0–0 b6 12.cb6 Nb6 13.Nf4=; A3) 9.cd5 cb5 10.Bb5 0–0 11.Nc3 Nb6 12.Qc2 a6 13.Be2+=; A4) 9.Ba3 0–0 10.Be7 Qe7 11.c5 a6 12.Nd2 Re8 13.Nh3=; B) 8...a6 9.Nc3 (9.d5 cd5 10.cd5 0–0 11.Nc3 Nc5 12.f3 Re8 13.Rc1+=) 9...0–0 10.Nh3 ab5 11.ab5 Ra1 12.Qa1 Nb6 13.Nf4=; C) 8...0–0 9.Nd2 (9.Nc3 d5 10.bc6 bc6 11.Ba3 Ba3 12.Ra3 Rb8+= 13.a5+=) 9...d5 10.Ba3 Ba3 11.Ra3 dc4 12.bc6 bc6 13.Bc4=.

8.Ne2 d5 A) 9.Nf4 cb5 10.Nd5 Nd5 11.cd5 ba4 12.Qa4 0–0 13.Nc3=; B) 9.c5 0–0 10.Nd2 Nb8 11.Nf4 a6 12.Qb3 ab5 13.ab5=; C) 9.bc6 bc6 10.Ba3 (10.Nd2 0–0 11.Ba3 Rb8 12.Qc2 Ba6 13.Nf4+=) 10...Ba3 C1) 11.Ra3 Ba6 12.cd5 (12.Nec3 Qe7 13.Ra2+=) 12...cd5+= 13.Nbc3+=; C2) 11.Na3 Rb8 12.Nc3 0–0 13.Be2=; D) 9.Nec3 0–0 10.Nd2 Bb4 11.Qb3 Qa5 12.Be2 Re8 13.0–0=.

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.Nf3 0–0 7.Be2 Nbd7 (7...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 11.0–0 Qg5 12.f3 Bh3 13.Rf2 a6=) 9...dc4 (9...c5 10.Nb3 dc4 11.dc4 Qd1 12.Bd1 a6 13.Bc2 ab5=; 9...Bb4 10.Bc3 Bc3 11.Nc3 dc4 12.de4 Qa5 13.Qd2 c5=) 10.dc4 c5 11.Nb3 Qd1 12.Bd1 a6 13.Nc3 Bf5=) 8.0–0= a6 9.a4 ab5 (9...e4 10.Nd4 ab5 (10...c5 11.Nf5 Ne5 12.Ng3 ab5 13.ab5 Ra1 14.Ba1 b6 15.Qc2 Be6+=) 11.ab5 Ra1 12.Ba1 cb5 13.Nb5 (13.cb5 Nc5= 14.Nc3 d5 15.Qc2 Bd6=) 13...d5 14.cd5 Nd5 15.Bd4 N7f6=) 10.ab5 Ra1 11.Ba1 e4 (11...Qc7 12.Nc3 d5 13.d4 e4=) 12.Nd4 Ne5 (12...cb5 13.cb5 d5=) 13.Nb3 (13.f4 ef3 14.Nf3 Nf3 15.Bf3 d5=) 13...Ng6 (13...Be6 14.Nd4=+) 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.Nf3 0–0

7.Nc3 a6 8.bc6 Nc6+=.

7.Be2 Nbd7 (7...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 11.0–0 Qg5 12.f3 Bh3 13.Rf2 a6=) 9...dc4 (9...c5 10.Nb3 dc4 11.dc4 Qd1 12.Bd1 a6 13.Bc2 ab5=; 9...Bb4 10.Bc3 Bc3 11.Nc3 dc4 12.de4 Qa5 13.Qd2 c5=) 10.dc4 c5 11.Nb3 Qd1 12.Bd1 a6 13.Nc3 Bf5=) 8.0–0= a6 9.a4 ab5 (9...e4 10.Nd4 ab5 (10...c5 11.Nf5 Ne5 12.Ng3 ab5 13.ab5 Ra1 14.Ba1 b6 15.Qc2 Be6+=) 11.ab5 Ra1 12.Ba1 cb5 13.Nb5 (13.cb5 Nc5= 14.Nc3 d5 15.Qc2 Bd6=) 13...d5 14.cd5 Nd5 15.Bd4 N7f6=) 10.ab5 Ra1 11.Ba1 e4 (11...Qc7 12.Nc3 d5 13.d4 e4=) 12.Nd4 Ne5 (12...cb5 13.cb5 d5=) 13.Nb3 (13.f4 ef3 14.Nf3 Nf3 15.Bf3 d5=) 13...Ng6 (13...Be6 14.Nd4=+) 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.

5.b5 Bd7

6.Qc2 A) 6...Be6 7.d4 (7.Nf3 a6 8.d4 e4 9.Ng5 ab5 10.d5 Bf5=; 7.Nc3 Nbd7 8.Nf3 Nb6 9.c5 dc5 10.Ne5 0–0=; 7.Be2 a6 8.d4 ab5 9.de5 de5 10.cb5 Nbd7+=) 7...ed4 8.Bd4 c5 9.Bc3 Nbd7 10.Nd2 a6=; B) 6...Qc8 7.e4 (7.Nc3 a6 8.Nf3 ab5 9.cb5 0–0 10.d4 ed4=; 7.Nf3 Bf5 8.d3 a6 9.e4 Be6 10.d4 ed4=; 7.Be2 c6 8.Nc3 Bf5 9.e4 Bg6 10.bc6 Nc6=; 7.Bd3 c6 8.Nc3 a6 9.bc6 Nc6 10.Qb3 Na5+=; 7.d4 Bf5 8.Qd1 Nbd7 9.Ne2 Bg6 10.c5 c6=; 7.Ne2 a6 8.Ng3 c6 9.ba6 Na6 10.d4 ed4=) 7...Be6 8.Nf3 Nbd7 9.d4 ed4 10.Bd4 Nb6=; C) 6...0–0 7.d4 ed4 8.Bd4 c5 9.Bc3 d5 10.Nf3 Be6=; D) 6...c5 7.Nf3 (7.d4 ed4 8.ed4 a6 9.Bd3 ab5 10.cb5 Qa5+=; 7.Be2 a6 8.Nf3 0–0 9.Nc3 ab5 10.cb5 Bg4=) 7...0–0 8.Be2 a6 9.Nc3 ab5 10.cb5 b6=; E) 6...Bg4 7.Nc3 (7.Be2 Qd7 8.d4 Bf5 9.Qa4 ed4 10.Bd4 0–0=; 7.Nf3 Qd7 8.Be2 0–0 9.Nc3 a6 10.d4 ed4=; 7.d4 ed4 8.Bd4 0–0 9.Be2 c5 10.Bc3 Be2=) 7...a6 8.Be2 ab5 9.Bg4 Ng4 10.cb5 0–0=; F) 6...c6 7.d4 (7.Be2 Be6 8.Nf3 cb5 9.cb5 Nbd7 10.Nc3 Rc8=) 7...ed4 8.Bd4 a6 9.Nf3 ab5 10.cb5 c5=; G) 6...a6 7.Nf3 (7.Be2 0–0 8.Nf3 ab5 9.cb5 e4 10.Nd4 c5+=; 7.d4 ed4 8.Bd4 ab5 9.cb5 c5 10.bc6 Nc6+=; 7.Nc3 ab5 8.cb5 d5 9.Nf3 Bd6 10.Be2 c5+=; 7.a4 0–0 8.d4 ed4 9.Bd4 c5 10.Bc3 d5+=; 7.a3 0–0 8.d4 ed4 9.Bd4 ab5 10.cb5 c5+=) 7...ab5 8.cb5 Bg4 9.Be2 0–0 10.Nc3 c5=.

6.Nc3 A) 6...a6 7.d4 (7.Nf3 ab5 8.cb5 c5 9.e4 0–0 10.Bc4 Bg4=; 7.Qf3 ab5 8.cb5 c6 9.bc6 Nc6 10.Rc1 d5–/+; 7.Qa4 Bf5 8.d4 ed4 9.ed4 0–0 10.Nf3 Nbd7+=; 7.f4 ef4 8.ef4 0–0 9.Be2 d5 10.ba6 Na6–/+) 7...ed4 8.Qd4 ab5 9.cb5 Be6 10.Nf3 c5=; B) 6...Be6 7.Nf3 (7.d4 ed4 8.ed4 d5 9.c5 0–0 10.Nf3 b6+=; 7.Be2 a6 8.Nf3 ab5 9.cb5 Nbd7 10.0–0 d5=; 7.Qf3 c6 8.d4 ed4 9.ed4 d5 10.c5 0–0+=; 7.e4 0–0 8.Nf3 Nbd7 9.d4 a6 10.Be2 ab5=; 7.Bd3 Nbd7 8.Nf3 Nb6 9.c5 dc5 10.Ne5 Ng4+=) 7...Nbd7 8.d4 0–0 9.Bd3 a6 10.ba6 Ra6=; C) 6...c6 7.a4 (7.Be2 0–0 8.d4 Qb6 9.a4 e4 10.g4 Qa5=; 7.e4 0–0 8.Nf3 Qa5 9.Be2 cb5 10.cb5 Rc8=; 7.Nf3 0–0 8.d4 e4 9.Nd2 Bf5 10.bc6 Nc6=; 7.Rc1 0–0 8.d4 e4 9.Nge2 cb5 10.cb5 a6=; 7.a3 0–0 8.d4 e4 9.d5 Qa5 10.bc6 bc6=; 7.d4 0–0 8.Nf3 e4 9.Nd2 Bf5 10.bc6 Nc6=) 7...0–0 8.Be2 Re8 9.d4 e4 10.g4 h6+=; D) 6...Bc8 7.d4 (7.Nf3 0–0 8.d4 ed4 9.Qd4 Nbd7 10.Nd5 Re8=; 7.Be2 Nbd7 8.Nf3 a6 9.ba6 Ra6 10.d4 0–0=) 7...ed4 8.Qd4 Bg4 9.Be2 Be6 10.Bf3 Bc8=; E) 6...Bf5 7.d4 (7.Qf3 Qc8 8.Be2 a6 9.Nd5 Nd5 10.cd5 ab5+=; 7.d3 0–0 8.Qf3 Qc8 9.Be2 a6 10.a4 Re8+=; 7.a3 Qd7 8.d4 0–0 9.Nge2 a6 10.Ng3 Bg6=; 7.Rc1 a6 8.Qf3 Qc8 9.Be2 0–0 10.b6 cb6+=; 7.Nf3 a6 8.Be2 0–0 9.ba6 Na6 10.0–0 Qd7=; 7.Be2 a6 8.Nf3 ab5 9.cb5 0–0 10.0–0 Nbd7=) 7...ed4 8.Qd4 0–0 9.Nf3 Nbd7 10.Be2 Nc5=; F) 6...c5 7.d4 (7.Nf3 0–0 8.Be2 a6 9.Qa4 Bg4 10.h3 Bf5=; 7.Be2 0–0 8.Nf3 a6 9.Qa4 Bg4 10.h3 Bh5=; 7.Qf3 Qb6 8.Bd3 a6 9.Nge2 ab5 10.Nb5 Na6+=; 7.f4 a6 8.Qf3 ab5 9.cb5 Bc8 10.Be2 0–0=; 7.Bd3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Bg4=; 7.d3 a6 8.Qa4 Qb6 9.Nge2 0–0 10.f4 Re8+=) 7...cd4 8.ed4 0–0 9.Nf3 e4 10.Nd2 Re8=; G) 6...0–0 7.d4 (7.Nf3 a6 8.d4 e4 9.Nd2 ab5 10.Nce4 Ne4=; 7.Qf3 c6 8.Be2 Qa5 9.a3 Rc8 10.Rb1 Be6+=; 7.Be2 a6 8.d4 ab5 9.cb5 e4 10.d5 c6+=; 7.f4 Re8 8.Bd3 Bg4 9.Be2 Bc8 10.fe5 de5+=; 7.Bd3 a6 8.Nf3 ab5 9.cb5 Bg4 10.h3 Bf3+=; 7.a3 a6 8.d4 Re8 9.Be2 ab5 10.cb5 Bf5+=) 7...a6 8.Nf3 e4 9.Nd2 ab5 10.Nce4 Ne4=.

6.d4 A) 6...e4 7.Nc3 (7.Qc2 c6 8.bc6 Nc6 9.Nc3 Qa5 10.Qb3 Rb8+=; 7.Be2 a6 8.ba6 Na6 9.Nc3 Bf5 10.Qb3 b6=; 7.d5 a6 8.Nc3 ab5 9.cb5 c6 10.bc6 bc6=; 7.Nd2 a6 8.Qc2 ab5 9.Ne4 Ne4 10.Qe4 bc4=) 7...c6 8.Nge2 cb5 9.cb5 Qa5 10.Qd2 Bb5=; B) 6...ed4 7.Bd4 0–0 8.Bd3 Be6 9.Ne2 Nbd7 10.Nf4 Ne5=.

6.Be2 A) 6...0–0 7.Nf3 (7.d4 e4 8.Nc3 Bf5 9.f3 c6 10.g4 ef3=; 7.a3 a6 8.d4 e4 9.Qa4 d5 10.cd5 Nd5+=; 7.Nc3 a6 8.d4 ab5 9.cb5 e4 10.d5 c6+=; 7.a4 a6 8.d4 ed4 9.Bd4 d5 10.Nf3 dc4=; 7.Qc2 Be6 8.Nf3 a6 9.Ng5 ab5 10.Ne6 fe6=; 7.Qa4 Re8 8.Nf3 e4 9.Nd4 c5 10.Nb3 Be6+=) 7...e4 8.Nd4 c5 9.bc6 Nc6 10.0–0 Nd4=; B) 6...c6 7.Nf3 (7.Nc3 0–0 8.d4 Qa5 9.Nf3 e4 10.Nd2 cb5=; 7.a4 0–0 8.d4 ed4 9.Bd4 c5 10.Bb2 Be6=; 7.a3 0–0 8.d4 e4 9.d5 cb5 10.cb5 a6+=; 7.Qc2 Be6 8.Nc3 cb5 9.cb5 Nbd7 10.Nf3 Rc8=; 7.h3 0–0 8.a4 Re8 9.d4 e4 10.d5 cd5+=; 7.d4 e4 8.d5 0–0 9.bc6 bc6 10.Nc3 Na6=) 7...e4 8.Nd4 0–0 9.0–0 Re8 10.d3 c5=; C) 6...a5 7.d3 (7.d4 e4 8.Nc3 Bf5 9.g4 Bg6 10.h4 h6+=; 7.Qc2 Be6 8.Nf3 0–0 9.0–0 Nbd7 10.d4 ed4+=; 7.Nc3 0–0 8.Nf3 c6 9.0–0 e4 10.Nd4 a4+=) 7...c6 8.d4 ed4 9.Qd4 b6 10.Nf3 Be6+=; D) 6...a6 7.Qa4 (7.Nf3 e4 8.Nd4 ab5 9.cb5 c5 10.bc6 Nc6=; 7.d4 e4 8.Qa4 0–0 9.Nc3 Re8 10.Rd1 Be6+=; 7.a4 0–0 8.d4 ed4 9.Bd4 d5 10.Nc3 dc4=; 7.a3 ab5 8.cb5 c5 9.d4 cd4 10.ed4 e4+=; 7.Qc2 0–0 8.d4 ab5 9.cb5 e4 10.Nc3 Bf5+=; 7.ba6 Na6 8.d4 ed4 9.ed4 0–0 10.Nf3 d5+=) 7...Nc6 8.bc6 Bc6 9.Qb3 Bg2 10.Bf3 Bh1=; E) 6...h6 7.Nf3 (7.d4 e4 8.Nc3 a6 9.Qa4 0–0 10.f3 Bf5=) 7...0–0 8.0–0 a6 9.a4 e4 10.Nd4 c5=; F) 6...Bc8 7.Nc3 (7.Nf3 a6 8.0–0 ab5 9.cb5 Bf5 10.d3 c5=) 7...a6 8.Nf3 ab5 9.cb5 Nbd7 10.e4 d5=; G) 6...Be6 7.Nf3 a6 8.Ng5 Bf5 9.0–0 ab5 10.cb5 0–0+=.

6.Ne2 0–0 (6...Be6 7.Na3 (7.d4 Bc4 8.de5 de5 9.Qd8 Kd8 10.Be5 Bb5–/+; 7.Qc2 a6 8.d4 ab5 9.cb5 Nbd7 10.Nbc3 0–0+=; 7.d3 a6 8.Nbc3 Nbd7 9.ba6 Ra6 10.g3 Bf5+=; 7.Qb3 0–0 8.d4 Nbd7 9.Nd2 a6 10.ba6 Ra6+=; 7.Nec3 a6 8.d4 ed4 9.Qd4 ab5 10.cb5 0–0+=; 7.Ng3 a6 8.a4 0–0 9.d4 ed4 10.Bd4 c5+=) 7...Nbd7 8.d4 0–0 9.d5 Bg4 10.f3 Bh5=; 6...a6 7.d4 (7.Qa4 Be6 8.d4 Nbd7 9.Ng3 0–0 10.Bd3 ab5+=; 7.Nbc3 0–0 8.d4 ab5 9.cb5 c5 10.bc6 Nc6+=; 7.a4 Be6 8.d3 Nbd7 9.Nd2 ab5 10.ab5 Ra1+=; 7.Nec3 0–0 8.d4 Bg4 9.Be2 Be2 10.Ne2 e4+=; 7.ba6 Ra6 8.d4 Nc6 9.Nec3 ed4 10.ed4 Bf5+=) 7...ab5 8.cb5 e4 9.Nbc3 0–0 10.d5 c6=; 6...Bg4 7.Nbc3 (7.d4 Nbd7 8.c5 c6 9.bc6 bc6 10.Qc2 Rc8=; 7.Qc2 a6 8.d4 ab5 9.cb5 Nbd7 10.e4 0–0=; 7.h3 Be6 8.Ng3 a6 9.a4 0–0 10.Qf3 c6+=; 7.a3 Nbd7 8.d4 0–0 9.Qc2 c6 10.Nd2 Qc7+=; 7.d3 0–0 8.d4 Nbd7 9.Qc2 Be6 10.d5 Bg4+=; 7.Na3 0–0 8.f3 Be6 9.d4 a6 10.d5 Bc8+=) 7...0–0 8.d4 a6 9.h3 Be6 10.d5 Bc8=; 6...c6 7.Ng3 (7.Nbc3 Be6 8.Qb3 Nbd7 9.d4 0–0 10.Rd1 a6+=; 7.a4 a6 8.d4 ab5 9.ab5 Ra1 10.Ba1 cb5+=; 7.d4 cb5 8.cb5 Bb5 9.de5 de5 10.Qd8 Bd8+=; 7.Nec3 0–0 8.d4 a6 9.bc6 Nc6 10.d5 Qb6+=; 7.Qa4 0–0 8.d4 Qb6 9.Ng3 ed4 10.Bd4 c5=; 7.bc6 Nc6 8.d4 0–0 9.Nd2 Rc8 10.Bc3 Qc7+=) 7...Qb6 8.a4 0–0 9.d4 e4 10.Nc3 d5=; 6...Bf5 7.d4 (7.Ng3 Be6 8.d4 ed4 9.Bd4 c5 10.Bc3 0–0=; 7.Nbc3 a6 8.Ng3 Bd7 9.Be2 ab5 10.cb5 d5=) 7...Nbd7 8.Ng3 Bg6 9.Bd3 e4 10.Be2 h5=; 6...c5 7.Ng3 (7.d4 ed4 8.ed4 0–0 9.Ng3 a6 10.a4 ab5+=; 7.f4 Qc7 8.Nbc3 0–0 9.Qc2 a6 10.a3 Qa5+=; 7.Qb3 0–0 8.d4 ed4 9.ed4 Re8 10.Nd2 a6+=; 7.Nbc3 0–0 8.f4 a6 9.Qa4 Be6 10.d3 Nbd7+=; 7.Nec3 0–0 8.Be2 a6 9.0–0 ab5 10.Nb5 Nc6=; 7.Qc2 a6 8.a4 0–0 9.f4 Qc7 10.Nbc3 Re8+=) 7...a6 8.Qa4 Qb6 9.Nc3 0–0 10.Be2 Be6=) 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 (31.g4 fg4 32.e4 gf3+–) 31...Rc7 32.Bb4 Rc2 33.a6 Nb6 (33...Ra7 34.Ke2+–) 34.a7 (34.R3a2 Ra2 35.Ra2 Nc4+–) 34...Nc4? (better is 34...Nc8+–) 35.R3a2 Ra2 36.Ra2 Nd2 37.Bd2 (37.Rd2?! Ra7 38.Ke2 Kf7+=) 37...Kf7 38.Bb4 Nd7 39.f4 (39.Ra6 Nf6+–) 39...g6 40.Bd6 Nb6 41.Kf3 Nc8 (41...Nc4 42.Be5+–) 42.Bc5 Ke8 43.Rb2 Kd7 (43...Na7 44.Ra2+–) 44.Rb7 Kc6 45.Rb8 (45.Rb8 Ra7 46.Rc8 Rc7 47.Rh8+–) 1–0. Bonetti,Shane – guest164, ICC, 2002.

6.Qf3 A) 6...Bc8 7.d4 (7.Nc3 0–0 8.Nge2 c6 9.bc6 Nc6 10.Nd5 Nd5+=; 7.Be2 a6 8.d4 e4 9.Qg3 ab5 10.cb5 d5+=; 7.Qg3 0–0 8.d4 e4 9.Be2 d5 10.Nc3 dc4+=) 7...ed4 8.Bd4 c5 9.Bc3 0–0 10.Bd3 Nbd7+=; B) 6...Qc8 7.Qd1 (7.Be2 a6 8.d4 ed4 9.Bd4 ab5 10.cb5 c5=) 7...a6 8.d4 e4 9.d5 ab5 10.cb5 0–0=; C) 6...c6 7.Be2 (7.Nc3 0–0 8.Be2 Be6 9.Rc1 a6 10.bc6 Nc6+=; 7.d4 e4 8.Qf4 h6 9.Be2 cb5 10.cb5 d5+=; 7.a4 Bg4 8.Qg3 h5 9.h3 h4 10.Qh2 Be6+=; 7.e4 Be6 8.d4 cb5 9.cb5 d5 10.ed5 Bd5+=; 7.Qg3 0–0 8.Nc3 a6 9.bc6 Nc6 10.Rc1 Bf5+=; 7.Qe2 a6 8.bc6 Nc6 9.Nc3 Bg4 10.Qd3 Rc8+=) 7...a6 8.bc6 Nc6 9.Nc3 Be6 10.Rb1 Rc8+=.

6.Nf3 0–0

7.Nc3 a6+=.

7.Be2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nc3 cb5 12.cb5 Be6 (12...Qa5 13.0–0=) 13.0–0 (13.e4 Nbd7=) 13...Nbd7 (13...Bf5 14.d3=) 14.d4 Qa5 (14...Bg4 15.Qd3+=) 15.Bb2 (15.Ng5 ed4 16.Qd4 Rc8+=) 15...e4= 16.Ng5 d5 17.Ne6 fe6 18.Qb3 (18.Qd2 Bb4=) 18...Nb6 (18...Bd6 19.Rc1=) 19.Ra1+= Qb4 20.Qb4 Bb4 21.Ra7 Rb8 (21...Rf7 22.Na4 Na4 23.Ra4+=) 22.f3 (22.h4 Kf7+=) 22...ef3= 23.gf3 Nc8 (23...Kf7 24.Nb1+=) 24.Ra4+= (24.Ra4 Bd6 25.Ba3+=) 1–0. DEFFM – GuestCPCV, freechess.org, 2016.

7.g3 c6 8.a4 cb5 (8...e4 9.Nd4–/+) 9.cb5 a6 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Bg4 13.Be2 Nbd7 14.0–0 Nc5 15.Qa2 Qb6 16.Ra1 Nfe4 (better is 16...e4!? 17.Nd4 Be2 18.Nce2 Nd3+=) 17.Nd5 Qd8 18.d4 ed4 19.ed4 Ne6 20.Ne3 (20.Ne7?! Qe7 21.Qb3 Re8=) 20...Bh5 21.Qd5 N4g5 22.Ng5 Be2 23.Ne6 fe6 24.Qe6 Kh8 25.Nf5 Bb5? (better is 25...Bg4 26.Qe7 Bf5+–) 26.Ne7 Re8 27.Re1 Bd7 (27...Qd7 28.d5 Qe6 29.Re6+– (29.de6?! Re7 30.f4 Bc4+/–)) 28.Qd6 Qa5 29.Re5 Qa4 30.d5 Qd1 31.Kg2 Bb5 (31...Qg4 32.Nf5! Qf5 33.Rf5 Bf5+–) 32.Ng6! hg6 (32...hg6 33.Re8 Combination) 33.Re8 Be8 (33...Kh7 34.Rh8! Kh8 35.Qf8 Kh7 36.Qg7) 34.Qf8 1–0. pcmvr – terminatorii, ChessWorld.net, 2003.

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 (31...bc4 32.Be6 Kg7 33.Rg1 Kh8 34.Rh1–+) 32.Bf3 (32.Bc8 Rfc8 33.cb5 Ra5 34.Rg1 Kh8–+) 32...bc4 33.e4 c3! 34.Kb3 (34.Kc3 Ra3 Double attack (34...Ra2 Deflection)) 34...Rf7 (better is 34...c5!? 35.dc6 Be6 36.Kb4–+) 35.Rc1 Rg7 36.Rc3 Rg3 37.e5 (37.f5 Ra5 38.Kb2 Rb5 39.Kc1 Rc5 40.Rc5 dc5–+) 37...Bg4 (better is 37...de5 38.fe5 fe5 39.Kb2–+) 38.Bg4 Rg4 39.e6 (39.ed6 cd6 40.Rc6 Rg3 41.Kb4 Ra2 42.Rd6 Rb2 43.Kc4 Kf7–+) 39...Rc8 (39...Rf4!? 40.Rc7 Rd4 41.Rf7–+) 40.Kb4 Rg7 (40...Rf4 41.Kb5–+) 41.Kb5 Re8 (41...Ra8 42.Rc2–+) 42.Kc6 Ree7 43.Ra3 Rg4 44.Ra8 Kg7 45.Rd8 Rf4 46.Rd7 Kf8 (46...Rc4 47.Kb7 Kf8 48.Rd8 Re8 49.Rd7–+) 47.Rd8 Re8 48.Kc7 Rd8 49.Kd8 Re4 50.Kd7 h5 51.Kd6 Ke8 52.Kc7 Re6! 53.d6 (53.de6 h4 Passed pawn) 53...Rd6! 54.Kd6 h4 0–1. Larios Villa (1995) – Zulaika Centeno (2015), Mondragon Arrasate Hiria op 5th, 2005.

6.d4 0–0+=.

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 (31...Kf8 32.a3+–) 32.h4 (32.a4 Rc2+–) 32...Rc6 33.Be3 f6 (33...b5 34.Ne4+–) 34.a3 Rc3 35.a4! Ra3 (35...Ba4 36.d7 Passed pawn) 36.Rd4 (36.Rb1 Bc8+–) 36...Ra1 37.Kh2 Ra4 38.Ra4 Ba4 39.Bb6 (39.f4 Kf7+/–) 39...Bd7 40.Ne4 (40.Nh5 Kf7+/–) 40...Kf7 41.Nc5 Nc5 42.Bc5 g6 43.Kg3 f5 (43...Ke6 44.Kf4+/–) 44.Kf4+– Ke6 45.f3 Kf6 46.g4 b5 (46...fg4 47.fg4 g5 48.hg5 Ke6+–) 47.Bd4 Kf7 48.h5 gh5 (48...fg4 49.fg4 gh5 50.gh5+–) 49.gh5 Kg8 50.Kg5 Kf7 (50...Kh7+–) 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.

6.Nc3 0–0

7.a4 a6 8.Nf3 Nc5 (8...Re8 9.Be2=) 9.d4= ed4 10.Nd4 (10.ed4 Ne6=) 10...Re8 (10...ab5 11.cb5 Bg4 12.Be2 Be2 13.Qe2=) 11.Be2 Ne6 (11...ab5 12.cb5 d5 13.a5=) 12.0–0 Nd4 (12...Nc5 13.Bf3=) 13.Qd4+= c5 (13...Nd7 14.Nd5 Bf6 15.Nf6 Nf6 16.Bf3+/–) 14.Qf4 Be6 15.Rfd1 a5 (15...Qa5 16.Nd5 Nd5 17.cd5+=) 16.Bf3+/– Rb8 17.Rd2 b6 (17...h6 18.Nd5+/–) 18.Rad1 Qc8 (18...Rc8 19.Bb7+/–) 19.Qg3+– Bc4 (19...g6 20.Qf4+–) 20.Ne4 Kf8 (20...Kh8 21.Nf6 Bf6 22.Bf6 gf6 23.Qf4+– (worse is 23.Qd6 Qf5+/–)) 21.Nd6 (21.Nd6 Bd6 22.Qd6 Kg8 23.Bf6 gf6 24.Bc6+–) 1–0. pierre (2165) – JonathanDee, chesshere.com, 2007.

7.a4 Nc5 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 (25.a5 Ne5 26.Ne5 de5+=) 25...f6 (25...Ne5 26.Ra3+=) 26.a5+/– Rfc8 (26...a6 27.Rfb1+/–) 27.g4 (27.a6 Rcb8+/–) 27...Ne5 (27...a6 28.b6+/–) 28.Ne5 de5 29.Kf3 Kf7 (29...a6 30.Rfb1+/–) 30.h4 (30.a6 Rcb8+/–) 30...Rh8 (30...a6 31.Rfb1+=) 31.Rg1 (31.a6 b6+/–) 31...Rac8 (31...a6 32.b6+/–) 32.Bc1 Rh7 33.Bd2 Rch8 (33...Bd6 34.a6 b6 35.h5+/–) 34.Rg2 Rg8 35.Rag1 (35.b6 a6+/–) 35...Bd8 (35...g5 36.fg6 Kg6 37.h5 Kf7 38.Ra1+/–) 36.b6 (36.a6 ba6 37.Ra1 h5+/–) 36...a6 (36...ab6 37.ab6 Ke7 38.Ba5+/–) 37.Bc1 Be7 38.Rh1 Rhh8 39.Rgh2 Rc8 (39...Ke8 40.g5+/–) 40.g5 hg5 (40...Rcd8 41.gh6 gh6 42.Rg1+/–) 41.hg5 Rh2 42.Rh2 (42.g6 Ke8 43.Rh2 Kd7+/–) 42...fg5 43.Kg4 Bf6 44.Bg5 Rd8 (44...Bg5 45.Kg5 Rf8 46.Rh7+/–) 45.Rh7 (45.Bd2 Rf8+/–) 45...Rg8 (45...Bg5 46.Kg5 Kg8 47.Rh4+/–) 46.Bc1 Rc8 47.Rh5 Kg8 48.Bg5 (48.Rh3+/–) 48...Kf7 (48...Rf8!?+/–) 49.Bf6+– Kf6 50.Rg5 Re8 (50...Kf7 51.Rg6+–) 51.Rg6 Kf7 52.Rd6 Re7 (52...Ke7 53.Rd5 Kf6 54.Rc5+–) 53.Rd5 (53.Kg5 Ke8+–) 53...Ke8 (53...Kf6+–) 54.Rc5 Kd8 (54...Kd7 55.Rc7 Kd8 56.Re7 Ke7 57.Kg5+–) 55.Kg5 Re8 56.Kg6 Rh8 57.Re5 Rh3 58.Rd5 (58.Kf7 Rh7+–) 58...Ke7 59.Rd4 Rg3 60.Kh5 (60.Kh7 Ke8+–) 60...Rg2 (60...Rh3 61.Kg5+–) 61.Rd5 Kf6 (61...Rh2 62.Kg6+–) 62.Rd6 (62.d4 Rh2 63.Kg4 Rg2 64.Kf3 Rc2+–) 62...Ke5 (62...Ke7 63.Rg6 Rh2 64.Kg5+–) 63.Rd7 Kf4 64.f6 (better is 64.Rb7 g6 65.Kh6 gf5+–) 64...Rg5 65.Kh4 Rg6 The mate threat is Rh6 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.

7.a4 Re8 8.Nf3+=.

7.d4 a6+=.

7.Nf3 a6 8.ba6 Ra6 9.d4+=.

7.Nf3 Nc5 8.d3 (8.d4 ed4 9.ed4 Ne6=) 8...Bg4 (8...Re8 9.Be2=) 9.Be2= e4 (better is 9...a6=) 10.Nd4?? (better is 10.de4 Nfe4 11.Nd5=) 10...Be2 (better is 10...Nd3 11.Kf1 Nb2–+) 11.Qe2 Nd3 12.Kf1 Nb2 (12...Nc5 13.Nb3–/+) 13.Qb2–/+ a6 (13...Qd7 14.Qc2 Qg4 15.Nd5 Nd5 16.cd5–/+) 14.f3 (14.ba6 Ra6 15.Qb7 Rb6–/+) 14...ef3 15.gf3 ab5 16.cb5 (16.Qb5 Qc8–/+) 16...Nd7 (16...d5 17.Rg1 Qd7 18.Rd1–/+) 17.Ne4 (17.Rg1 Bf6–/+) 17...Bf6–+ 18.Qd2 (18.Rg1 Re8–+) 18...Bd4 (18...Nc5 19.Nf6 Qf6 20.Rg1–+) 19.Qd4–/+ Nb6 (19...Qh4 20.Kg2–+) 20.Ke2 (better is 20.Rg1 f6 21.a4–/+) 20...Qd7?? (better is 20...Ra4 21.Qc3 Qe7–+) 21.Rhg1 (better is 21.Nf6 Kh8 22.Nd7 Nd7 23.Rhg1+–) 21...Qb5–+ 1–0. DEFFM – GuestGSHS, freechess.org, 2016.

6.Be2 0–0

7.Nf3 c6 8.a4 e4 9.Nd4 c5 10.Nf5=.

7.Nf3 c6 8.a4 Ne8 9.0–0 e4 10.Nd4 c5= 11.Nb3 Nef6 12.Qc2 Ne5 13.Nc5 Bf5.

7.Nf3 c6 8.a4 Ne8 9.Nc3 A) 9...Nc7 10.0–0 (10.d4 f5 11.0–0 Ne6 12.bc6 bc6 13.c5 d5) 10...Ne6 11.d4 f5 12.c5 d5 13.Ne5 Ne5; B) 9...f5 10.Rb1 (10.d4 Nc7 11.0–0 Ne6 12.c5 d5 13.a5 e4) 10...Nc7 11.Qc2 Ne6 12.0–0 e4 13.Nd4 Ne5; C) 9...Nef6 10.d4 (10.0–0 Nc5 11.d4 ed4 12.Nd4 Bd7 13.Bf3 Qc7) 10...ed4 11.ed4 d5 12.0–0 Nb6 13.cd5 cb5.

7.Nf3 c6 8.a4 Ne8 9.e4 Nc5+= (9...f5 10.ef5 Nc5 11.0–0 Bf5 12.d4 Nd7 13.de5 de5) 10.d3 (10.Nc3 f5 11.Qc2 fe4 12.Ne4 Ne4 13.Qe4 Rf4; 10.Qc2 f5 11.Nc3 fe4 12.Ne4 Ne4 13.Qe4 Rf4) 10...Bg4 (10...Qa5 11.Bc3 (11.Nc3 f5 12.0–0 Nf6 13.Qc2 Bd7) 11...Qc7 12.0–0= (12.Nbd2 f5 13.0–0 Nf6) 12...f5 13.Nbd2 Nf6; 10...f5 11.Nc3 Nf6 12.Qc2 fe4 13.de4 Nh5) 11.0–0 (11.h3 Bd7 12.Nc3 Nf6 13.0–0 Qa5) 11...f5 (11...Nf6 12.Nc3= (12.h3 Bd7 13.Nc3 Qa5) 12...Qa5 13.h3 Bd7; 11...a6 12.h3 Be6 13.Nc3 ab5) 12.ef5 (12.Nc3 fe4 13.Ne4 Ne4) 12...Bf5 (12...Bf6 13.Nc3 Bf5 14.Qc2=) 13.Nc3 (13.d4 Nd7+= (13...ed4 14.Nd4 Qd7+=)) 13...Ne6= 14.Ne4 (14.Re1 Nf4=) 14...Nf4+= 15.Ng3 Ne2 16.Qe2 (16.Ne2 Qc7+=) 16...Bg4 17.d4 (17.Rfe1 Bf3 18.gf3 c5–/+) 17...ed4 (17...Bf3 18.gf3 ed4 19.Bd4–/+) 18.Bd4 Bf6 (18...Bf3 19.gf3 Bf6 20.Rfd1–/+) 19.Rad1 (19.Bf6 Qf6 20.Ra3 Nc7=) 19...Nc7 (19...Bd4 20.Rd4 Bf3 21.Qe6 Kh8 22.gf3+=) 20.Qe4 (better is 20.Bf6!? Rf6 21.Ne4=) 20...Bf3–/+ 21.gf3 Qd7 (21...d5 22.cd5 cd5 23.Qg4–/+) 22.Kh1 (22.Bc5 Be7=) 22...Rae8 (better is 22...Bd4!? 23.Rd4 d5–/+) 23.Qg4= Qg4 (23...Ne6 24.Bf6 Rf6 25.Ne4=) 24.fg4 Bd4 25.Rd4 d5 26.cd5 Nd5 27.bc6 bc6 28.Nf5 (28.f4 Re3=) 28...g6 (28...h5 29.h3 g6+=) 29.Nh6 (29.Ng3 Rf4 30.Rf4 Nf4+=) 29...Kh8 (29...Kg7 30.g5–/+) 30.f4 (30.h4!?+=) 30...g5!–/+ 31.Rc1 (31.fg5 Rf1 Pinning (31...Rf1 Deflection)) 31...Nf4 (better is 31...gf4!? 32.Nf5 Rf6–/+) 32.Rd7= Rf6 33.Nf7 Kg8 34.Ng5 h6 35.Nh7 (35.Nf3!?+=) 35...Rf7–/+ 36.Rf1 (36.Rf7!? Kf7 37.g5–/+) 36...Re4–+ (36...Rd7?! 37.Nf6 Kf7 38.Nd7=) 37.Rf7 (37.h4 Ra4 (37...Rd7?! 38.Nf6 Kg7 39.Ne4+=) 38.Rf3 Kg7 (38...Rh7?! 39.Rd8 Kg7 40.Rd7 Kg6 41.Rd6 Kf7 42.Rd7 Kg6 43.Rd6 Ne6 44.Re6 Kg7 45.Re7 Kg8 46.Re8 Kg7 47.Re7 Kg8 48.Re8 Kg7 49.Re7=) 39.Rf7 Kf7–+) 37...Kf7 38.g5 (38.Rd1 Ra4 39.Rd7 Ke6 40.Nf8 Kf6–+) 38...Kg6 (worse is 38...Ra4 39.gh6 Kg6 40.Nf8 Kh6 41.Nd7–/+) 39.Nf8 (39.Nf6 Ra4 40.Ng8 hg5 41.Ne7 Kh5 42.Nc6 a5–+) 39...Kg5 40.Rg1 (40.Nd7 Ra4 41.Rc1 Ra2–+) 40...Kf5 41.h4 (41.a5 Ra4–+) 41...Ra4 42.h5 (42.Rc1 Nd3 43.Rc6 Rh4 44.Kg2 a5–+) 42...Nh5 43.Rc1 Ra6 44.Rc5 (44.Nd7 Ng3 45.Kh2 Ne4–+) 44...Kg4 45.Rc4 Kh3 46.Rc3 (46.Kg1 c5! 47.Nd7–+) 46...Ng3 47.Kg1 Ra1 (47...Ra2 48.Rg3 Kg3 49.Kf1 Rf2 50.Ke1 Rf8 51.Kd2–+) 48.Kf2 Rf1 49.Ke3 Rf8 50.Rc6 h5 51.Ra6 Rf7 52.Ra2 (52.Kd4 h4 53.Ke5 Kg2–+) 52...h4 53.Kd4 (53.Kd3 Nf1 54.Ke4 Kg4 55.Rg2 Ng3 56.Kd5 h3–+) 53...Kg4 54.Ke3 (54.Ke5 h3 55.Ke6 Rh7–+) 54...Nf1 55.Ke2 (55.Kd3 h3–+) 55...h3 56.Ra4 Kg3 57.Ra3 Kg2 (57...Kg2 58.Ra6 h2–+) 0–1. Palacios Sanchez,Gabriel (1940) – Gaona Gonzalez,Gerard (1975), 9th Sant Boi Spain, Open, 2017.

5.b5 Be6

6.a3 A) 6...0–0 7.Nf3 (7.d4 ed4 8.Bd4 c5 9.Bc3 d5 10.Nf3 dc4+=; 7.Be2 Nbd7 8.Nf3 a6 9.ba6 Ra6 10.0–0 Bg4+=; 7.Nc3 a6 8.Nf3 ab5 9.cb5 Nbd7 10.Ng5 Bg4+=; 7.d3 a6 8.Nf3 ab5 9.cb5 c6 10.d4 e4–/+; 7.Qf3 e4 8.Qf4 a6 9.d3 d5 10.cd5 Nd5+=) 7...a6 8.Be2 ab5 9.cb5 c5 10.0–0 Nbd7+=; B) 6...Nbd7 7.Nf3 (7.d4 a6 8.ba6 Ra6 9.Be2 0–0 10.Nf3 ed4+=; 7.Be2 e4 8.d3 ed3 9.Bd3 Ne5 10.Be5 de5+=; 7.Nc3 Nb6 8.d3 a6 9.Nf3 ab5 10.cb5 0–0+=; 7.Qc2 c6 8.bc6 bc6 9.d4 Rb8 10.Nd2 ed4+=) 7...0–0 8.d4 e4 9.Nfd2 c6 10.bc6 bc6+=; C) 6...c6 7.Nc3 (7.d4 Nbd7 8.Nf3 e4 9.Nfd2 cb5 10.d5 Bg4+=; 7.Qa4 0–0 8.d4 ed4 9.Bd4 c5 10.Bb2 Nbd7+=; 7.Nf3 0–0 8.Nc3 a6 9.bc6 Nc6 10.d4 ed4+=) 7...0–0 8.Nf3 a6 9.bc6 Nc6 10.d4 ed4+=; D) 6...Bf5 7.d4 (7.d3 c6 8.d4 e4 9.d5 cb5 10.cb5 Nbd7+=; 7.Nc3 a6 8.Qf3 Qc8 9.e4 Bg4 10.Qg3 0–0+=; 7.Ne2 Nbd7 8.d4 Bg6 9.Ng3 0–0 10.Bd3 a6=; 7.Nf3 0–0 8.Be2 a6 9.0–0 ab5 10.cb5 Nbd7+=; 7.Be2 0–0 8.Nf3 a6 9.0–0 ab5 10.cb5 Nbd7+=; 7.Qf3 Qd7 8.Be2 0–0 9.Nc3 c6 10.e4 Bg4=) 7...Nbd7 8.Nc3 Bg6 9.Nf3 0–0 10.Be2 a6=; E) 6...a6 7.d4 Nbd7 8.ba6 Ra6 9.d5 Bf5 10.Nf3 Rb6+=.

6.Nc3 0–0 7.Nf3 (7.d4 ed4 8.Qd4 a6 9.Nf3 c5 10.Qd3 ab5+=; 7.Qf3 c6 8.Be2 a6 9.bc6 Nc6 10.Qg3 Rc8+=; 7.Be2 a6 8.Nf3 ab5 9.cb5 Nd5 10.Qb1 c5+=; 7.a3 a6 8.Nf3 Nbd7 9.ba6 Ra6 10.d4 Ra5+=) 7...a6 8.Be2 ab5 9.cb5 Nd5 10.Qc2 Nb4=.

6.Nc3 a6 7.Nf3 (7.d4 ed4 8.Qd4 0–0 9.Bd3 ab5 10.cb5 c5+=; 7.Qf3 c6 8.bc6 Nc6 9.Rb1 Rc8 10.Qg3 0–0–/+) 7...0–0 8.Be2 ab5 9.cb5 Nbd7 10.0–0 d5+=.

6.Nc3 c5 7.Nf3 (7.d4 cd4 8.ed4 0–0 9.Nf3 Qc7 10.d5 Bg4=; 7.Be2 0–0 8.Nf3 a6 9.d3 ab5 10.Nb5 Nc6=; 7.Qf3 Qd7 8.Be2 a6 9.d4 cd4 10.ed4 0–0+=; 7.d3 d5 8.cd5 Nd5 9.Nf3 f6 10.Be2 a6+=; 7.Bd3 a6 8.ba6 Na6 9.Nf3 Nb4 10.Be2 0–0+=; 7.Nh3 0–0 8.Ng5 Bf5 9.Qf3 Qd7 10.e4 Bg4=) 7...0–0 8.Be2 a6 9.d3 Re8 10.0–0 ab5=.

6.Nc3 c6 7.Nf3 (7.d4 0–0 8.bc6 bc6 9.Nf3 Nbd7 10.d5 cd5+=; 7.Be2 cb5 8.Nb5 0–0 9.Nf3 Nbd7 10.Ng5 Bf5=; 7.Rc1 0–0 8.Nf3 a6 9.bc6 bc6 10.d4 Qa5=; 7.bc6 Nc6 8.Nf3 0–0 9.d4 ed4 10.Nd4 Rc8+=; 7.Rb1 0–0 8.Nf3 Bf5 9.d3 cb5 10.cb5 Qa5+=; 7.e4 0–0 8.Nf3 Qa5 9.Ng5 Bd7 10.Be2 a6+=) 7...0–0 8.d4 e4 9.bc6 Nc6 10.Nd2 d5=.

6.Nc3 Qd7 7.d4 (7.Nf3 Bf5 8.d4 e4 9.Nd2 0–0 10.Qc2 c6=; 7.Qf3 c6 8.Be2 0–0 9.Qg3 a6 10.bc6 Nc6+=; 7.Be2 a6 8.Nf3 ab5 9.cb5 0–0 10.0–0 Nd5=; 7.d3 a6 8.Nf3 ab5 9.cb5 0–0 10.Be2 c6+=) 7...e4 8.Qc2 a6 9.Ne4 Ne4 10.d5 ab5=.

6.Nc3 h6 7.Nf3 (7.Qf3 c6 8.Be2 0–0 9.Qg3 a6 10.Nh3 ab5+=; 7.Be2 0–0 8.Nf3 a6 9.a4 c5 10.d3 ab5=; 7.d4 ed4 8.ed4 d5 9.c5 0–0 10.Nf3 b6+=; 7.Rb1 a6 8.Qf3 Ra7 9.ba6 Na6 10.Nd5 Qd7+=; 7.Bd3 Nbd7 8.Be2 a6 9.ba6 Ra6 10.Nf3 Nb6+=) 7...a6 8.d4 e4 9.Nd2 ab5 10.d5 Bf5=.

6.d4 A) 6...e4 7.d5 (7.Nc3 a6 8.d5 Bf5 9.Nge2 ab5 10.cb5 Bg6=; 7.Qc2 d5 8.Ne2 c6 9.Nf4 0–0 10.Nc3 Qd7=; 7.Be2 d5 8.cd5 Nd5 9.Nd2 f5 10.Bc4 a6+=; 7.Nd2 d5 8.Ne2 a6 9.Qa4 c6 10.Nf4 0–0=) 7...Bc8 8.Nc3 Nbd7 9.Nge2 Nc5 10.Ng3 c6+=; B) 6...Nbd7 7.Be2 (7.Nd2 ed4 8.Bd4 a6 9.ba6 Ra6 10.Ne2 0–0+=; 7.d5 Bf5 8.Nf3 Nc5 9.Be2 0–0 10.0–0 a6=; 7.Nf3 e4 8.Nfd2 c6 9.d5 cd5 10.cd5 Nd5=; 7.Nc3 ed4 8.ed4 d5 9.c5 0–0 10.Nf3 a6=; 7.Qc2 c6 8.Be2 0–0 9.Nd2 cb5 10.d5 Bg4+=; 7.de5 de5 8.Nf3 Bb4 9.Nbd2 Qe7 10.a3 Bd6+=) 7...0–0 8.Nf3 e4 9.Nfd2 c6 10.Nc3 cb5=; C) 6...Qd7 7.Be2 (7.Nc3 ed4 8.Qd4 0–0 9.Bd3 a6 10.Nf3 ab5=; 7.Nd2 ed4 8.Bd4 0–0 9.Bd3 a6 10.Qc2 ab5=; 7.Nf3 e4 8.Nfd2 a6 9.d5 Bf5 10.Nc3 Bg6=; 7.a3 a6 8.de5 de5 9.Qa4 Qd6 10.Nd2 Nbd7+=; 7.d5 Bf5 8.c5 dc5 9.Be5 Qd5 10.Qd5 Nd5+=; 7.Qd2 ed4 8.Bd4 c5 9.Bf6 Bf6 10.Nc3 0–0+=) 7...e4 8.Nc3 a6 9.d5 Bf5 10.f3 ab5=; D) 6...ed4 7.Bd4 (7.Qd4 Nbd7 8.Nf3 a6 9.Ng5 Nc5 10.Ne6 fe6+=) 7...c5 8.Bc3 0–0 9.Nf3 d5 10.Qc2 a6=.

6.Be2 Nbd7 (6...a6 7.d4 (7.Qb3 0–0 8.d4 ab5 9.Qb5 Ra6 10.Qb3 Rb6+=; 7.Nc3 ab5 8.cb5 d5 9.Qc2 0–0 10.Nf3 Qd6+=; 7.ba6 Na6 8.Nf3 0–0 9.0–0 Nc5 10.d4 Na4+=; 7.a4 0–0 8.d4 ed4 9.Qd4 d5 10.Nd2 c5+=; 7.Na3 0–0 8.Nf3 ab5 9.Nb5 Nbd7 10.0–0 Nb6+=; 7.Qa4 Nbd7 8.d4 ab5 9.Qb5 c6 10.Qb3 0–0+=) 7...ed4 8.ba6 Ra6 9.ed4 0–0 10.d5 Bf5+=; 6...0–0 7.d4 (7.Nf3 a6 8.ba6 Ra6 9.0–0 Rb6 10.Bc3 Ne4=; 7.Nc3 a6 8.Nf3 ab5 9.cb5 Nbd7 10.0–0 d5+=; 7.a4 e4 8.d4 d5 9.c5 a6 10.Nc3 b6+=) 7...ed4 8.Qd4 a6 9.Nc3 ab5 10.cb5 c5=; 6...Qd7 7.Nc3 (7.Nf3 0–0 8.0–0 a6 9.Qa4 Bg4 10.Nc3 Re8=; 7.d4 ed4 8.Bd4 0–0 9.Nf3 a6 10.Nc3 c5=) 7...a6 8.Qa4 0–0 9.Nf3 Qd8 10.d4 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 a6 7.Nc3 (7.Ng5 Bg4 8.f3 Bf5 9.d4 ed4 10.e4 Bc8–/+; 7.d4 e4 8.Nfd2 ab5 9.d5 Bf5 10.Qb3 0–0+=; 7.ba6 Na6 8.d4 e4 9.Nfd2 d5 10.cd5 Bd5+=; 7.Qb3 0–0 8.d4 ed4 9.Bd4 Qd7 10.Ng5 ab5+=; 7.a4 0–0 8.Ng5 Bg4 9.Be2 Be2 10.Qe2 Nfd7+=; 7.Na3 ab5 8.Nb5 0–0 9.Be2 Nbd7 10.0–0 Nb6+=) 7...0–0 8.Be2 ab5 9.cb5 Nbd7 10.Qc2 d5+=.

6.Nf3 Qd7 7.d4 (7.Be2 a6 8.Nc3 ab5 9.cb5 0–0 10.0–0 Nd5=; 7.Nc3 a6 8.d4 ab5 9.cb5 e4 10.d5 Bg4=; 7.Ng5 Bf5 8.Nc3 h6 9.Nf3 0–0 10.Be2 a6=; 7.Qc2 Bf5 8.d3 a6 9.e4 Be6 10.d4 ed4=; 7.a3 a6 8.Be2 ab5 9.cb5 0–0 10.Nc3 Nd5=; 7.Na3 0–0 8.Be2 a6 9.Qa4 Bg4 10.d3 Qe8=) 7...e4 8.Nfd2 a6 9.d5 Bf5 10.Nc3 Bg6=.

6.Nf3 Nbd7 7.Qc2 (7.Be2 a6 8.ba6 ba6 9.Nc3 0–0 10.Rb1 Nb6=; 7.Nc3 Nb6 8.d3 a6 9.c5 dc5 10.ba6 Ra6+=; 7.Ng5 Bg4 8.f3 Bf5 9.d4 Nh5 10.Ne4 ed4+=; 7.d4 e4 8.Nfd2 c6 9.Nc3 cb5 10.Nb5 0–0=; 7.d3 0–0 8.Be2 a6 9.ba6 ba6 10.Nc3 Qe8=; 7.a3 0–0 8.d4 e4 9.Nfd2 c6 10.Nc3 d5=) 7...0–0 8.d4 ed4 9.Bd4 c5 10.Bc3 d5=.

6.Nc3 Nbd7

7.d3 a6 8.ba6 Ra6 9.Nf3 0–0 10.Be2 d5+=.

7.d4 ed4 8.ed4 c6 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 (29.Qb2 Rfe8–+) 29...Rae8 (29...Rac8 30.b6 Rc4 31.Qb3 ab6 32.Ne3 Rd4 33.ab6–+) 30.b6 (30.Nf2 Be3 31.Qc3 f5–+) 30...Bd1 (30...ab6 31.ab6 Rb8 32.Rb3–+) 31.Rd1 Qe2 32.Rhd3 (32.Ra1 ab6 33.ab6 Re4–+) 32...ab6 (32...Be3 33.Kh1 Rh8 34.Qd6–+) 33.ab6 (33.h3 ba5 34.Qa5–+) 33...Rh8 34.b7 (34.Qe1 Qe1 35.Re1 Re1 36.Kf2–+) 34...Be3 0–1. Baxa,Ottokar – Mayr,Guenter (1855), Passau op 6th, 1998.

7.d4 ed4 8.ed4 d5 9.c5 0–0 10.Nf3 a6=.

7.Be2 0–0 8.Nf3 Nb6 9.d3 Re8 10.0–0 a6=.

7.Qf3 Rb8 8.d4 0–0 9.Bd3 a6 10.a4 ed4=.

7.Nf3 0–0 8.d4 c5 9.d5 Bg4 10.Bd3 a6=.

6.Nf3 0–0

7.Na3 A) 7...Nbd7 8.Be2 (8.Ng5 Bg4 9.f3 Bf5 10.e4 Bg6 11.d4 Re8+=; 8.d4 e4 9.Nd2 d5 10.Be2 dc4 11.Bc4 Bc4+=; 8.Qc2 Bg4 9.Ng5 h6 10.Ne4 a6 11.ba6 Ra6+=; 8.Qb1 Bg4 9.h3 Bh5 10.Bd3 Nc5 11.Bc2 Ne6+=; 8.d3 a6 9.Be2 ab5 10.Nb5 Nc5 11.0–0 Na4+=; 8.Nc2 c6 9.Be2 Nb6 10.bc6 Nc4 11.cb7 Rb8+=) 8...Re8 9.0–0 a6 10.d4 ab5 11.Nb5 e4=; B) 7...Re8 8.Be2 (8.Ng5 Bg4 9.Qc2 a6 10.f3 Bc8 11.Bd3 h6+=; 8.Qc2 a6 9.Bd3 d5 10.cd5 Bd5 11.e4 Ba3–/+; 8.d4 e4 9.d5 Bg4 10.h3 Bh5 11.g4 Bg6+=; 8.Nc2 a6 9.a4 c6 10.d4 e4 11.Nd2 Nbd7+=; 8.d3 a6 9.d4 e4 10.Ng5 Bd7 11.ba6 Na6–/+; 8.Qa4 Nbd7 9.d4 e4 10.Ng5 Bg4 11.h3 Bf5–/+) 8...Bd7 9.0–0 a6 10.d4 e4 11.Nd2 ab5=; C) 7...c6 8.Be2 (8.Qa4 Nbd7 9.d4 ed4 10.Nd4 Nc5 11.Qc2 Qa5+=; 8.d4 e4 9.Nd2 cb5 10.Nb5 d5 11.cd5 Bd5+=; 8.Rb1 Bf5 9.d3 Re8 10.e4 d5 11.ef5 Qa5–/+; 8.Qc2 cb5 9.Nb5 Nc6 10.d4 e4 11.Ng5 d5+=; 8.Qb3 Nbd7 9.d4 a6 10.bc6 bc6 11.Rb1 Bf5–/+; 8.Rc1 Nbd7 9.Ng5 Bf5 10.Qf3 Bg4 11.Qg3 Nc5+=) 8...a6 9.bc6 Nc6 10.0–0 d5 11.d4 e4+=; D) 7...Bd7 8.Be2 (8.d4 e4 9.Nd2 Bf5 10.Be2 d5 11.0–0 a6=; 8.Qc2 a6 9.d4 ed4 10.Nd4 ab5 11.cb5 d5+=; 8.d3 a6 9.Be2 ab5 10.cb5 c6 11.0–0 cb5+=; 8.Qb3 a6 9.d4 e4 10.Nd2 Bf5 11.Be2 d5=) 8...a6 9.0–0 ab5 10.Nb5 Nc6 11.d4 ed4=; E) 7...e4 8.Nd4 (8.Ng5 Bf5 9.f3 Re8 10.Be2 d5 11.0–0 ef3=) 8...Bg4 9.f3 ef3 10.gf3 Bh5 11.Rg1 Bg6=; F) 7...a6 8.Be2 (8.Ng5 Bg4 9.Be2 Be2 10.Qe2 d5 11.Nc2 h6–/+; 8.d4 e4 9.d5 Bg4 10.h3 Bh5 11.g4 Bg6+=; 8.d3 ab5 9.Nb5 c6 10.Nc3 Qa5 11.Be2 b5+=; 8.ba6 Na6 9.Be2 Nc5 10.0–0 Na4 11.Bc1 Bg4+=) 8...ab5 9.Nb5 Nbd7 10.0–0 Nb6 11.Qb3 c6+=.

7.a4 A) 7...Nbd7 8.d3 (8.Ng5 Bg4 9.Be2 Be2 10.Qe2 d5 11.0–0 Ne8+=; 8.d4 e4 9.Nfd2 d5 10.cd5 Bd5 11.Nc3 c6=; 8.Be2 d5 9.Ne5 Ne5 10.Be5 dc4 11.0–0 a6=; 8.Qc2 a6 9.Ng5 ab5 10.cb5 Bg4 11.f3 Bh5+=; 8.Nc3 Nb6 9.d3 a6 10.Ng5 Bg4 11.Be2 Be2=) 8...Bf5 9.Be2 a6 10.0–0 ab5 11.ab5 Ra1=; B) 7...Bd7 8.Nc3 (8.Be2 a6 9.Nc3 ab5 10.ab5 Ra1 11.Qa1 Bg4=; 8.d4 e4 9.Nfd2 Bf5 10.Qc2 c5 11.Be2 Nbd7=; 8.d3 a5 9.Be2 Bg4 10.0–0 Nbd7 11.h3 Bf5=; 8.Qc2 Bg4 9.d4 Nbd7 10.Be2 e4 11.Nfd2 Be2=) 8...Re8 9.Be2 Bf8 10.0–0 a6 11.d4 ab5+=; C) 7...Re8 8.Be2 (8.d4 e4 9.Nfd2 d5 10.cd5 Bd5 11.Nc3 c6=; 8.Nc3 a6 9.d4 ed4 10.Nd4 Bg4 11.f3 Bd7=) 8...Nbd7 9.0–0 a6 10.Ng5 Bf5 11.f4 Qc8=; D) 7...Bc8 8.d3 (8.Nc3 Re8 9.Be2 Bf8 10.d4 Nbd7 11.0–0 a6+=; 8.Be2 e4 9.Nd4 c5 10.bc6 Nc6 11.d3 d5=; 8.d4 e4 9.Nfd2 Bf5 10.Nc3 c5 11.Be2 cd4=) 8...Nfd7 9.Be2 a6 10.Nc3 f5 11.0–0 ab5+=; E) 7...e4 8.Nd4 (8.Ng5 Bf5 9.f3 Re8 10.Nc3 ef3 11.Qf3 Qc8=) 8...Bg4 9.f3 ef3 10.gf3 Bh5 11.Rg1 Bg6=; F) 7...Bf5 8.Be2 (8.Nc3 c5 9.d4 cd4 10.ed4 e4 11.Nd2 d5=; 8.d4 e4 9.Qc2 c6 10.Nc3 a6 11.d5 ab5=; 8.d3 a6 9.Be2 ab5 10.ab5 Ra1 11.Ba1 Bd7=) 8...a6 9.0–0 Nbd7 10.d4 ab5 11.ab5 Ra1=; G) 7...a6 8.Be2 (8.Nc3 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Qa7 Nb6=; 8.d4 e4 9.Ng5 Bf5 10.Qc2 d5 11.cd5 ab5–/+; 8.Ng5 Bg4 9.Be2 Be2 10.Qe2 Nfd7 11.Nh3 ab5=) 8...c6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5=.

7.Qc2 a6 8.Ng5 (8.d4 ab5 9.de5 de5 10.cb5 e4 11.Nfd2 Bf5=) 8...ab5 9.Ne6 fe6 10.cb5 Nbd7 11.Be2 d5=.

7.Qc2 c5 8.Bd3 (8.Ng5 Bc8 9.Bd3 g6 10.0–0 a6 11.Nc3 ab5=; 8.Nc3 a6 9.Ng5 ab5 10.Ne6 fe6 11.cb5 d5+=; 8.Be2 a6 9.Ng5 ab5 10.cb5 Nbd7 11.Nc3 d5=; 8.d4 cd4 9.ed4 e4 10.Ng5 Bf5 11.Nc3 d5+=) 8...h6 9.0–0 a6 10.a4 Qd7 11.Nc3 Re8=.

7.Qc2 c6 8.Ng5 (8.Bd3 h6 9.Nc3 Nbd7 10.0–0 Rc8 11.Be2 cb5+=; 8.d4 cb5 9.de5 de5 10.cb5 Bb4 11.Nbd2 Nbd7+=; 8.Nc3 Nbd7 9.Ng5 cb5 10.cb5 d5 11.f4 ef4+=; 8.e4 cb5 9.cb5 Qb6 10.Nc3 Nbd7 11.d4 ed4+=) 8...Bd7 9.d4 h6 10.Nf3 e4 11.Nfd2 Bf5=.

7.Qc2 Qc8 8.Nc3 (8.Bd3 h6 9.0–0 a6 10.a4 c6 11.b6 a5+=; 8.Be2 a6 9.Nc3 c6 10.bc6 Nc6 11.0–0 Na5=; 8.e4 a6 9.Nc3 ab5 10.cb5 Nbd7 11.d4 Bg4=; 8.d4 Bf5 9.Qa4 Nbd7 10.Nc3 a6 11.Be2 ab5+=) 8...Nbd7 9.Ng5 Nb6 10.Ne6 Qe6 11.Bd3 c6=.

7.Qc2 Qd7 8.Nc3 (8.Bd3 h6 9.Nc3 c6 10.0–0 a6 11.a4 cb5=; 8.e4 c6 9.Nc3 Rc8 10.Be2 cb5 11.cb5 a6=) 8...Bg4 9.Be2 a6 10.d4 ed4 11.Nd4 ab5=.

7.Qc2 Nbd7 8.Nc3 Nb6 9.Ng5 Bg4 10.Bd3 h6 11.Nh7 Nh7=.

7.Qc2 Nbd7 8.d4 a6 9.ba6 Ra6 10.de5 de5=.

7.Qc2 Nbd7 8.d4 Bg4 9.Be2 e4 10.Nfd2 Be2 11.Ke2 c6=.

7.Qc2 Nbd7 8.Be2 c6 9.bc6 bc6 10.Ng5 Rb8 11.Ne6 fe6=.

7.Qc2 Nbd7 8.Ng5 a6 9.Bd3 h6 10.Bh7 Kh8 11.Ne6 fe6=.

7.Qc2 h6 8.d4 (8.Nc3 Nbd7 9.d4 c5 10.bc6 bc6 11.Bd3 Bg4=) 8...ed4 9.Nd4 a6 10.Bd3 Nbd7 11.ba6 b6=.

7.Nc3 a6 8.a4 ab5 9.ab5 Ra1 10.Qa1 Nbd7 11.Qa7 Qc8=.

7.Nc3 a6 8.ba6 Na6 9.d4 Bf5 10.de5 de5 11.Ne5 Nb4=.

7.Nc3 a6 8.Qc2 Nbd7 9.d4 ed4 10.Nd4 Ne5 11.Be2 Bc4=.

7.Nc3 a6 8.d4 ab5 9.de5 de5 10.Ne5 Qd1 11.Nd1 bc4+=.

7.Nc3 a6 8.Be2 ab5 9.cb5 Nbd7 10.0–0 d5 11.Qc2 Bg4+=.

7.Nc3 a6 8.e4 ab5 9.cb5 c5 10.Ng5 d5 11.Qc2 d4+=.

7.Nc3 a6 8.Ng5 Bd7 9.d4 Re8 10.de5 de5 11.Bd3 ab5=.

7.Nc3 c5 8.d3 (8.Be2 Nbd7 9.0–0 a6 10.d3 ab5 11.Nb5 Nb6=; 8.Ng5 Bc8 9.Bd3 h6 10.Nge4 a6 11.Nf6 Bf6=; 8.Bd3 a6 9.Ng5 ab5 10.Nb5 Bd7 11.Qc2 h6=; 8.Qc2 a6 9.Ng5 ab5 10.cb5 d5 11.f4 ef4+=; 8.Qb3 Bf5 9.d3 a6 10.Be2 ab5 11.Nb5 Nc6=) 8...Qa5 9.Be2 d5 10.cd5 Nd5 11.Qd2 f6=.

7.Nc3 c6 8.d4 (8.Be2 cb5 9.cb5 a6 10.0–0 ab5 11.Bb5 Qa5=; 8.Ng5 Bf5 9.e4 Bg6 10.Qe2 cb5 11.cb5 d5+=; 8.e4 a6 9.bc6 Nc6 10.Be2 Nd4 11.Nd4 ed4=; 8.bc6 Nc6 9.d4 ed4 10.Nd4 Rc8 11.Be2 Na5+=; 8.Rc1 a6 9.bc6 bc6 10.d4 Qa5 11.Qd2 Nbd7+=; 8.Qc2 Nbd7 9.Ng5 cb5 10.cb5 d5 11.f4 ef4+=) 8...e4 9.bc6 Nc6 10.Nd2 d5 11.cd5 Bd5=.

7.Nc3 Nbd7 8.Be2 (8.d4 a6 9.ba6 Ra6 10.Bd3 ed4 11.ed4 c5=; 8.Ng5 Bg4 9.f3 Bf5 10.Be2 h6 11.e4 Bg6+=) 8...Nb6 9.d3 Qd7 10.0–0 a6 11.Ng5 ab5=.

7.d3 c6 A) 8.Nc3 A1) 8...a6 9.bc6 (9.a4 Nbd7 10.Be2 ab5 11.ab5 Qc7 12.0–0 Nc5 13.d4) 9...Nc6 10.Be2 b5 11.0–0 bc4 12.Ng5 Rb8 13.Ne6; A2) 8...Qa5 9.Be2 (9.Qa4 Qa4 10.Na4 cb5 11.cb5 Nbd7 12.Ng5 a6 13.d4) 9...a6 10.a4 Nbd7 11.0–0 h6 12.Qc2 Qc7 13.d4; A3) 8...cb5 9.cb5 (9.Nb5 Nc6 10.Be2 a6 11.Nc3 d5 12.cd5 Nd5 13.0–0) 9...Qa5 10.Be2 Nbd7 11.0–0 Nd5 12.Nd5 Bd5 13.e4; B) 8.Be2 B1) 8...a6 9.bc6 (9.Ng5 Bf5 10.bc6 Nc6 11.Nc3 d5 12.g4 Bg6 13.cd5) 9...Nc6 10.Nbd2 h6 11.0–0 b5 12.Rc1 Qb6 13.h3; B2) 8...Qb6 9.Nc3 (9.a4 Nbd7 10.Nc3 a6 11.a5 Qd8 12.b6 Nc5 13.0–0) 9...cb5 10.cb5 Nbd7 11.0–0 Nd5 12.d4 Nc3 13.Bc3; B3) 8...cb5 9.cb5 (9.0–0 bc4 10.Nc3 cd3 11.Qd3 h6 12.Qb5 Nbd7 13.Na4) 9...a6 10.Ng5 Bf5 11.Nc3 ab5 12.0–0 b4 13.Nce4; C) 8.a4 C1) 8...h6 9.Nc3 (9.Be2 Nbd7 10.Nc3 Qc7 11.0–0 a6 12.Qc2 d5 13.bc6) 9...Nbd7 10.Be2 d5 11.0–0 dc4 12.dc4 Qc7 13.a5; C2) 8...Qc7 9.Nc3 (9.Be2 h6 10.Nc3 Nbd7 11.0–0 Rac8 12.Qc2 d5 13.a5) 9...Nbd7 10.Be2 Rad8 11.0–0 Nc5 12.Ng5 Bd7 13.f4; C3) 8...Nbd7 9.Nc3 (9.Be2 e4 10.de4 Ne4 11.Nbd2 Ndc5 12.Ne4 Ne4 13.0–0) 9...Qc7 10.Be2 d5 11.cd5 Nd5 12.Nd5 cd5 13.0–0; D) 8.Ng5 D1) 8...Bg4 9.Be2 (9.f3 Qb6 10.d4 Bd7 11.Nc3 Ng4 12.Na4 Qc7 13.Nh7) 9...Be2 10.Qe2 h6 11.Ne4 cb5 12.cb5 Nbd7 13.0–0; D2) 8...cb5 9.cb5 (9.Ne6 fe6 10.cb5 a6 11.Be2 ab5 12.Qb3 Qd7 13.Nc3) 9...Nbd7 10.Ne6 fe6 11.Be2 Rc8 12.Nc3 Qa5 13.Rc1; D3) 8...Bf5 9.Nc3 (9.Nd2 h6 10.Nge4 Nbd7 11.bc6 bc6 12.Be2 Rb8 13.Rb1) 9...h6 10.Nge4 Qa5 11.Qf3 Be4 12.de4 Nbd7 13.Be2.

7.d3 Nbd7 A) 8.Be2 A1) 8...Nc5 9.Nc3 (9.0–0 a6 10.Nc3 ab5 11.cb5 Nd5 12.d4 Nc3 13.Bc3) 9...Qd7 10.0–0 a6 11.d4 ed4 12.Nd4 ab5 13.cb5; A2) 8...a6 9.Nc3 (9.0–0 ab5 10.cb5 h6 11.Qc2 c6 12.d4 cb5 13.Bb5) 9...ab5 10.cb5 h6 11.0–0 c5 12.bc6 bc6 13.Qc2; A3) 8...e4 9.de4 (9.Nd4 ed3 10.Bd3 Ne5 11.Ne6 fe6 12.0–0 a6 13.Be2) 9...Ne4 10.Nc3 Ndc5 11.0–0 Nc3 12.Bc3 Ne4 13.Qc2; B) 8.Ng5 B1) 8...Bf5 9.Nd2 (9.Nc3 Nc5 10.d4 ed4 11.ed4 h6 12.Nf7 Rf7 13.dc5) 9...Nc5 10.Qc2 a6 11.Nge4 ab5 12.Nc5 dc5 13.cb5; B2) 8...Nc5 9.Ne6 (9.Nd2 Bf5 10.Qc2 a6 11.Nge4 ab5 12.Nc5 dc5 13.cb5) 9...fe6 10.Nc3 Qd7 11.d4 ed4 12.ed4 Nfe4 13.f3; B3) 8...Bg4 9.Be2 (9.f3 Bf5 10.Nc3 a6 11.g4 Bg6 12.h4 h5 13.gh5) 9...Nc5 10.Nc3 Be2 11.Qe2 Qd7 12.Nf3 a6 13.0–0; C) 8.Nbd2 C1) 8...a6 9.a4 (9.Be2 ab5 10.cb5 Ra2 11.Ra2 Ba2 12.0–0 Nc5 13.Qc2) 9...ab5 10.ab5 Ra1 11.Qa1 Qa8 12.Ng5 Bf5 13.Be2; C2) 8...Nc5 9.Be2 (9.Ba3 a6 10.Bc5 dc5 11.Ne5 Nd7 12.Ndf3 Ne5 13.Ne5) 9...a6 10.a4 ab5 11.ab5 Qd7 12.0–0 Bf5 13.Nb3; C3) 8...c6 9.bc6 (9.a4 Qb6 10.Be2 cb5 11.cb5 a6 12.Nc4 Qc7 13.0–0) 9...bc6 10.Ng5 Rb8 11.Ne6 fe6 12.Rb1 Qa5 13.Be2; D) 8.Nc3 D1) 8...Nc5 9.Be2 (9.Ba3 Re8 10.Bc5 dc5 11.Be2 Qd6 12.Ng5 Bf5 13.Nge4) 9...a6 10.0–0 ab5 11.cb5 Nd5 12.d4 Nc3 13.Bc3; D2) 8...c6 9.Be2 (9.Ng5 cb5 10.Nb5 d5 11.Be2 Bb4 12.Kf1 a6 13.a3) 9...cb5 10.Nb5 a6 11.Nc3 Qb6 12.Rb1 h6 13.0–0; D3) 8...a6 9.Be2 (9.a4 Nc5 10.d4 ed4 11.Nd4 ab5 12.cb5 d5 13.Be2) 9...ab5 10.cb5 h6 11.0–0 c5 12.bc6 bc6 13.Qc2.

7.d3 Bf5 A) 8.Nc3 A1) 8...Nbd7 9.Be2 (9.h3 Nc5 10.Be2 e4 11.de4 Nfe4 12.0–0 Nc3 13.Bc3) 9...a6 10.0–0 ab5 11.cb5 d5 12.a4 c6 13.e4; A2) 8...h6 9.Be2 (9.Nh4 Bh7 10.Be2 Nbd7 11.0–0 Nc5 12.d4 ed4 13.ed4) 9...Nbd7 10.0–0 a6 11.a4 ab5 12.cb5 c5 13.Nh4; A3) 8...a6 9.Be2 (9.Nh4 Bc8 10.a4 d5 11.cd5 Nd5 12.Nf3 Bb4 13.Qc2) 9...Nbd7 10.0–0 h6 11.a4 ab5 12.cb5 c5 13.e4; B) 8.Be2 B1) 8...h6 9.Nc3 (9.0–0 Nbd7 10.Nc3 a6 11.a4 ab5 12.cb5 c5 13.e4) 9...Nbd7 10.0–0 a6 11.a4 ab5 12.cb5 c5 13.e4; B2) 8...Nbd7 9.Nc3 (9.0–0 h6 10.Nc3 a6 11.a4 ab5 12.cb5 c5 13.e4) 9...h6 10.0–0 a6 11.a4 ab5 12.cb5 c5 13.e4; B3) 8...a6 9.Nc3 (9.0–0 h6 10.Nc3 Nbd7 11.a4 ab5 12.cb5 c5 13.e4) 9...Nbd7 10.0–0 ab5 11.cb5 c6 12.e4 Be6 13.d4; C) 8.e4 C1) 8...Bg4 9.Nc3 (9.h3 Be6 10.Be2 c6 11.0–0 a6 12.Nc3 ab5 13.cb5) 9...Nbd7 10.h3 Be6 11.Be2 a6 12.0–0 Nc5 13.Qc2; C2) 8...Bg6 9.Nc3 (9.Be2 Nbd7 10.Nc3 Nc5 11.0–0 a6 12.Nh4 ab5 13.cb5) 9...Nbd7 10.Be2 Nc5 11.0–0 a6 12.Nh4 ab5 13.cb5; C3) 8...Be6 9.Nc3 (9.Be2 Nbd7 10.Nc3 Nc5 11.0–0 a6 12.Qc2 ab5 13.cb5) 9...a6 10.Be2 Nbd7 11.Ng5 Nc5 12.0–0 Bd7 13.d4; D) 8.Nh4 D1) 8...Bc8 9.Nc3 (9.Be2 e4 10.g3 g5 11.Ng2 ed3 12.Bd3 Nbd7 13.h4) 9...Nbd7 10.Be2 a6 11.0–0 ab5 12.cb5 Nb6 13.a4; D2) 8...Qc8 9.Nf5 (9.Nc3 Be6 10.Be2 a6 11.0–0 ab5 12.cb5 Nbd7 13.Nf3) 9...Qf5 10.Nc3 Nbd7 11.Qf3 Qf3 12.gf3 a6 13.Bh3; D3) 8...Bg4 9.Be2 (9.Nf3 Nbd7 10.h3 Bf5 11.Nc3 a6 12.Be2 ab5 13.cb5) 9...Be6 10.Nc3 a6 11.a4 d5 12.cd5 Nd5 13.Nf3.

7.d3 h6 A) 8.Be2 A1) 8...c6 9.0–0 (9.Nc3 Nbd7 10.0–0 cb5 11.Nb5 a6 12.Nc3 Qa5 13.Qd2) 9...cb5 10.cb5 Nbd7 11.Nc3 d5 12.Rc1 Bd6 13.Na4; A2) 8...Nbd7 9.Nc3 (9.0–0 a6 10.Nc3 ab5 11.cb5 c5 12.Qc2 d5 13.Nd2) 9...a6 10.a4 c6 11.0–0 Qc7 12.Qc2 d5 13.cd5; A3) 8...a6 9.Nc3 (9.0–0 ab5 10.cb5 Nbd7 11.Nc3 c5 12.Qc2 d5 13.Nd2) 9...ab5 10.cb5 Nbd7 11.0–0 c5 12.Qc2 Qa5 13.a4; B) 8.Nbd2 B1) 8...c6 9.a4 (9.bc6 Nc6 10.Be2 Rb8 11.a4 Qc7 12.0–0 Rbd8 13.Rc1) 9...Nbd7 10.Be2 a6 11.bc6 bc6 12.0–0 Rb8 13.Qc2; B2) 8...Nbd7 9.Be2 (9.a4 Nc5 10.Be2 Bf5 11.e4 Bg4 12.0–0 a5 13.Nb3) 9...a6 10.a4 ab5 11.ab5 c6 12.bc6 bc6 13.0–0; B3) 8...a6 9.a4 (9.Be2 ab5 10.cb5 Nbd7 11.a4 c6 12.0–0 cb5 13.ab5) 9...c6 10.Be2 ab5 11.ab5 Nbd7 12.0–0 cb5 13.Ra8; C) 8.Qc2 C1) 8...a6 9.Be2 (9.Nc3 ab5 10.cb5 Nbd7 11.Be2 c5 12.0–0 d5 13.h3) 9...ab5 10.cb5 c6 11.d4 cb5 12.de5 de5 13.0–0; C2) 8...c6 9.Nc3 (9.Be2 cb5 10.cb5 a6 11.d4 e4 12.Nfd2 ab5 13.Nc3) 9...cb5 10.cb5 Nbd7 11.Be2 a6 12.ba6 Ra6 13.d4; C3) 8...Nbd7 9.Be2 (9.Nc3 a6 10.Be2 ab5 11.cb5 c5 12.0–0 d5 13.Nd2) 9...a6 10.Nc3 Qc8 11.0–0 Nc5 12.a4 Bf5 13.e4; D) 8.Nc3 D1) 8...Nbd7 9.Be2 (9.d4 a6 10.Bd3 ab5 11.cb5 c5 12.bc6 bc6 13.0–0) 9...a6 10.a4 Nc5 11.0–0 ab5 12.ab5 Qd7 13.d4; D2) 8...Qe8 9.Be2 (9.Qc2 Nbd7 10.Be2 a6 11.0–0 ab5 12.cb5 c5 13.a4) 9...Nbd7 10.0–0 a6 11.a4 ab5 12.ab5 Nc5 13.Ra8; D3) 8...a6 9.d4 (9.a4 ab5 10.ab5 Ra1 11.Qa1 Nbd7 12.Be2 Nc5 13.0–0) 9...Nbd7 10.Bd3 ab5 11.cb5 c5 12.bc6 bc6 13.0–0.

7.d4 e4 8.Nfd2 (8.Ng5 Bf5 9.Qc2 h6 10.Nf3 a6 11.a4 ab5+=) 8...a6 9.ba6 Na6 10.Nc3 d5 11.cd5 Bd5=.

7.Be2 a6!?+= 8.ba6 (8.a4 c6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5=; 8.Nc3 ab5 9.cb5 Nbd7 10.Qc2 d5 11.Ng5 Nc5+=; 8.Ng5 Bf5 9.0–0 ab5 10.cb5 Nd5 11.Nf3 Be6+=; 8.d4 e4 9.Nfd2 ab5 10.d5 Bf5 11.g4 Bc8+=; 8.a3 ab5 9.cb5 Bf5 10.0–0 Nbd7 11.d3 c5+=) 8...Ra6 9.0–0 Bf5 10.d4 e4 11.Nfd2 Rb6=.

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 (39.Qf2 Qe2 40.Qe3 Qe3 41.Kf1 Nf4 42.Nd6 Qf3 43.Ke1 Qe2) 39...Nf4 0–1. Van Esbroeck,Dirk – Molina,Vicente Andres, SN–2010–0–00292, 2010.

7.Ng5 A) 7...Bg4 8.Qc2 (8.f3 Bf5 9.Nc3 a6 10.d4 ab5 11.cb5 Nh5+=; 8.Be2 Be2 9.Qe2 Nfd7 10.Nh3 a6 11.0–0 ab5=) 8...h6 9.Ne4 Nbd7 10.d4 ed4 11.Bd4 a6=; B) 7...Bd7 8.d4 (8.Qf3 c6 9.d4 Ng4 10.Nh3 ed4 11.Bd4 Ne5+=; 8.Nc3 a6 9.d4 Re8 10.de5 de5 11.Bd3 ab5=; 8.Qc2 Re8 9.d4 h6 10.Nf3 ed4 11.Nd4 c5=; 8.Bd3 a6 9.Qc2 h6 10.Nh7 Nh7 11.Bh7 Kh8 12.Be4=; 8.Be2 h6 9.Nf3 a6 10.0–0 ab5 11.cb5 c6+=; 8.f4 h6 9.Qf3 Qc8 10.Ne4 Bg4 11.Nf6 Bf6+=) 8...Ng4 9.Ne4 f5 10.Nec3 ed4 11.Qd4 Be6=; C) 7...Bc8 8.Nc3 (8.Qc2 h6 9.Ne4 Ne4 10.Qe4 f5 11.Qd5 Kh8=; 8.Bd3 a6 9.Qc2 h6 10.Nh7 Re8 11.Nf6 Bf6=; 8.Qf3 Ng4 9.Nh3 a6 10.Nc3 ab5 11.cb5 Nf6+=; 8.Be2 Nfd7 9.Nf3 e4 10.Nd4 c5 11.bc6 Nc6=; 8.d4 Ng4 9.Nf3 ed4 10.Bd4 Bf6 11.Be2 Be6=; 8.d3 h6 9.Nf3 Be6 10.Be2 a6 11.a4 Nbd7=) 8...h6 9.Nf3 Nbd7 10.d4 ed4 11.Nd4 Nc5=; D) 7...a6 8.Ne6 (8.Qc2 Bg4 9.h3 Bc8 10.Nc3 h6 11.Nf3 ab5+=; 8.d4 ed4 9.Qd4 ab5 10.cb5 c5 11.Qd2 Ng4+=) 8...fe6 9.Be2 ab5 10.cb5 Nbd7 11.0–0 d5=; E) 7...Nbd7 8.Ne6 (8.d4 Bg4 9.f3 Bf5 10.Bd3 Bd3 11.Qd3 ed4+=; 8.Nc3 Bg4 9.Be2 Be2 10.Qe2 a6 11.ba6 Ra6=; 8.Be2 Bf5 9.0–0 a6 10.f4 ef4 11.Rf4 Bg6=; 8.f3 Bf5 9.e4 Bg6 10.d4 Re8 11.Bd3 a6+=) 8...fe6 9.d4 ed4 10.ed4 d5 11.Nc3 Bb4=; F) 7...Bf5 8.Qf3 (8.Nc3 a6 9.Qf3 Bc8 10.Be2 ab5 11.cb5 d5+=; 8.d4 e4 9.Qc2 h6 10.Nf3 a6 11.a4 ab5+=) 8...Qc8 9.e4 Bg6 10.Nc3 Nbd7 11.Be2 Nc5+=.

7.d3 a6–/+

8.a4 ab5 (8...Nbd7 9.Nc3+= (9.Be2 Nc5 10.Nbd2 Bf5 11.e4 Bg6 12.0–0 h6 13.Nh4; 9.Nbd2 ab5 10.ab5 Nc5 11.Be2 Bf5 12.e4 Ra1 13.Qa1) 9...Nc5 10.d4 ed4 11.Nd4 ab5 12.cb5 d5 13.Be2; 8...h6 9.Nbd2 (9.Nc3 Nbd7 10.Be2 ab5 11.ab5 Nc5 12.Ra8 Qa8 13.0–0) 9...Nbd7 10.Be2 Nc5 11.d4 ed4 12.Nd4 ab5 13.cb5) 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 (33.Bd3 b6–+) 33...g6 34.h4 (34.Bf3 Bf3 35.Kf3 Be5 36.fe5 Kf7–+) 34...Kf7 35.h5 (35.Bg4 Be5 36.de5 b6–+) 35...Be5 (35...Be7 36.Bd1–+) 36.de5 (36.fe5 Rh8–+) 36...b6 37.Bg4 Be6 38.Bf3 Re7 (38...Rc8 39.Bc6–+) 39.hg6 (39.Be4 Rc7–+) 39...hg6 40.Bc6 Ra7 41.Be4 Ra3 (better is 41...Ra4–+) 42.Bd3 (42.Kd4–+) 42...Bf5 43.Kd2 Rd3 44.Ke2 Ke6 45.Kf1 (45.Kf2 Bg4 46.Kg2 Kf5 47.Kf2 Kf4 48.e6 Be6 49.Ke2 Rd8 50.Kf1 Kf3 51.Kg1 Rh8 52.Kf1 Rh1) 45...Bg4 46.Kf2 (46.Ke1 Kf5 47.Kf2 Kf4 48.e6 Be6 49.Ke2 Bf5 50.Kf1 Bg4 51.Kf2 Rd8 52.Kf1 Kg3 53.Ke1 Rd1) 46...Kf5 47.e6 Ke6 48.Kg2 (48.Kf1 Kf5 49.Ke1 Rd1 50.Kf2 Kf4 51.Kg2 Rd2 52.Kf1 Kg3 53.Ke1 Rd1) 48...Kf5 49.Kg1 (49.Kh1 Kf4 50.Kh2 Rd2 51.Kg1 Kg3 52.Kf1 Rd1) 49...Kf4 50.Kg2 (50.Kf2 Rd8 51.Ke1 Kg3 52.Kf1 Rd1) 50...Rd2 51.Kf1 (51.Kh1 Kg3 52.Kg1 Rd1) 51...Kg3 52.Kg1 (52.Ke1 Rd1) 52...Rd1 0–1. Schmeding,Irene – Wurzer,Georg, Bahn–chT Fuessen, 1993.

8.Nc3 A) 8...Nbd7 9.Be2 (9.Ng5 ab5 10.cb5 Bf5 11.Qf3 g6 12.Qb7 Nc5 13.Qf3) 9...ab5 10.cb5 Nd5 11.0–0 Nc5 12.d4 Nc3 13.Bc3; B) 8...h6 9.Be2 (9.a4 Nbd7 10.Be2 Nc5 11.0–0 ab5 12.ab5 Qd7 13.Na4) 9...ab5 10.cb5 Nbd7 11.0–0 c5 12.h3 Qc7 13.Qc2; C) 8...ab5 9.cb5 (9.Nb5 c6 10.Nc3 Nbd7 11.Be2 Nc5 12.0–0 Qb6 13.Rb1) 9...d5+= (9...Nbd7 10.Be2 h6 11.0–0 c6 12.a4 Qb6 13.Qc2) 10.Ne5 d4 11.ed4 Qd4 12.Nf3 Qg4 13.Be2.

8.Nbd2 A) 8...Nbd7 9.a4 (9.Be2 ab5 10.cb5 Ra2 11.Ra2 Ba2 12.0–0 Nc5 13.Qc2) 9...c6 10.Be2 ab5 11.ab5 cb5 12.cb5 Qc7 13.0–0; B) 8...h6 9.a4 (9.Be2 ab5 10.cb5 Nbd7 11.a4 c6 12.0–0 cb5 13.ab5) 9...ab5 10.ab5 Nbd7 11.Be2 c6 12.bc6 bc6 13.0–0; C) 8...ab5 9.cb5 (9.d4 bc4 10.de5 de5 11.Bc4 Bc4 12.Nc4 Bb4 13.Ke2) 9...Nbd7 10.a4 c6 11.Be2 Qa5 12.d4 cb5 13.Bb5.

8.Be2 A) 8...ab5 9.cb5 c6 10.0–0 cb5 11.Ng5 Bd7 12.Qc2 Nd5 13.Nf3; B) 8...Nbd7 9.Nc3 (9.0–0 ab5 10.cb5 h6 11.Nc3 c5 12.a4 d5 13.Qc2) 9...ab5 10.cb5 c6 11.0–0 h6 12.a4 Qa5 13.Qc2; C) 8...c6 9.Nc3 (9.Ng5 Bf5 10.Nc3 ab5 11.cb5 h6 12.Nge4 Nbd7 13.0–0) 9...ab5 10.cb5 cb5 11.d4 b4 12.Nb5 e4 13.Ng5.

8.Ng5 A) 8...Nbd7 9.Ne6 (9.Nc3 Bf5 10.Qf3 g6 11.h3 Nc5 12.Nge4 ab5 13.cb5) 9...fe6 10.Be2 d5 11.0–0 ab5 12.cb5 c6 13.bc6; B) 8...Bg4 9.Be2 (9.f3 Bf5 10.Nc3 ab5 11.cb5 d5 12.d4 ed4 13.Qd4) 9...ab5 10.cb5 Be2 11.Qe2 h6 12.Nf3 c6 13.bc6; C) 8...ab5 9.Ne6 (9.cb5 Bg4 10.Be2 Be2 11.Qe2 h6 12.Nf3 c6 13.bc6) 9...fe6 10.cb5 c6 11.Be2 Nbd7 12.Nc3 cb5 13.Nb5.

6.Nf3 h6

7.a4 Bg4 8.Be2 e4 9.Nd4 Be2 10.Qe2 d5=.

7.Qc2 0–0 8.d4 e4 9.Nfd2=.

7.Qc2 Qd7 8.Nc3 Bf5 9.e4 Bg6 10.c5 a6=.

7.Qc2 Nbd7 8.a4 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.

7.Qc2 Nbd7 8.d4 e4 9.d5 Bg4 10.Bf6 Nf6=.

7.Nc3 a6 8.d4 e4 9.Nd2 ab5 10.d5 Bf5=.

7.d4 e4 8.Nfd2 a6 9.ba6 Na6 10.Nc3 d5=.

7.Be2 a6 8.Nc3 0–0 9.d4 e4 10.Nd2 ab5=.

7.h3 a6 8.d4 e4 9.d5 Bd7 10.Nfd2 ab5=.

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 (8...Re8 9.0–0 ed4 10.Nd4=) 9.Nd4= Bg6 10.h4 (10.0–0 Re8=) 10...Bb1 (10...Be4 11.0–0+=) 11.Qb1= Nc5 12.Bf3 (12.h5 Na4=) 12...Nfd7 13.Qc2 (13.h5 Ne5 14.Bd5 Ned3 15.Kf1 Nb2 16.Qb2 Bf6=) 13...Bf6 (13...Ne5 14.Rb1+=) 14.g4 (14.Rd1 a6= (14...Bh4? 15.Nf5+–)) 14...Ne5 (worse is 14...Bh4 15.Nf5 Bf2 16.Kd1+–) 15.Be2 g6 (15...Be7 16.g5=) 16.h5 (16.g5 Bg7+=) 16...Qd7 (16...Qe7 17.Rd1=) 17.g5+= Bh8 (17...Bg7+=) 18.Rh4 (better is 18.e4!?+=) 18...Qe7+= 19.Rh3 (19.0–0–0 a6 20.f4=) 19...Rae8 (better is 19...Qg5!? 20.hg6 fg6+=) 20.0–0–0 Ned7 21.Rdh1 (21.hg6 fg6 22.Bf3+=) 21...Qe4 (better is 21...Bd4 22.Bd4 Ne6+=) 22.hg6 fg6 23.Rh7 Threatening mate: Rxh8. 23...Bg7 24.Rg7! Kg7 Decoy to g7 25.Nf5 Discovered attack 25...Kf7 26.Rh7 Ke6 (26...Kg8 27.Rg7 Kh8 28.Rd7 Re5 29.Qe4 Ne4+–) 27.Nd4 (better is 27.Qe4 Ne4 28.Nd4 Ke5 29.f4 Rf4 30.ef4 Kf4 31.Rd7+–) 27...Ke5 28.Nc6?? (28.f4 Rf4 29.ef4 Qf4 30.Kd1+–) 28...Kf5+= 29.Nd4 (29.Ne7 Re7 30.Re7 Qc2 31.Kc2 Kg5 32.f4 Kf5+/–) 29...Kg5= 30.f4 Kf6 31.Nf3 (31.Nc6 Kf5 32.Ne7 Ke6 33.Qe4 Ne4 34.Bg4 Rf5 35.Nd5 (35.Nf5?! gf5 36.Bf5 Kf5 37.Rd7 Rc8+/–; 35.Ng6?! Ndc5+–) 35...Nc3 36.Bc3 Ne5 37.Nc7 Kf6 38.Ne8 Ke6 39.Nc7 Kf6 40.Nd5 Ke6 41.Re7) 31...Ne5?? (31...Kf5 32.Nh4 Ke6 33.Bg4 Rf5+/–) 32.fe5+– de5 33.Qe4 (33.Qc3 Na4 34.Qa3 Nb2 35.Kb2 a6+–) 33...Ne4 34.Rc7 Ng3 35.Kd2 (35.Bd3 g5+–) 35...Rd8 (better is 35...Ne4 36.Ke1 Nd6+–) 36.Ke1 Rfe8 37.Rb7 g5 (37...Ne2 38.Ke2 Rc8 39.Ra7 Rc4 40.Ra6 Kf5 41.Rd6+–) 38.Ra7 Ne4 (38...Ne2 39.Ke2 g4 40.Ra6 Kf5 41.Nd2+–) 39.b6 (39.a4 g4 40.Ne5 Re5 41.Bg4 Rd6+–) 39...g4 (39...Rb8 40.b7+–) 40.Ne5 Re5 41.b7 (41.Ra5 Rde8 42.b7 Nc3 43.Bc3 Kf7 44.Be5 Kg6+–) 41...Rh8 (41...g3+–) 42.Be5 Ke5 43.Ra8 Rh3 (43...Rh1 44.Bf1 Rf1 45.Kf1 Nd2 46.Kg2 Ke4 47.Re8 Kd3+–) 44.b8Q 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.Nc3 a6 7.Bd3 (7.Nf3 Nc6 8.a3 Be6=) 7...c6 (7...a5 8.b5+=) 8.Ne4 (8.Nf3 h6=) 8...Nbd7 (8...Ne4 9.Be4 f5 10.Bf3+=) 9.Nf3= Ne4 10.Be4 Nf6 11.a3 (11.Bd3!?=) 11...Ne4+= 12.Qe4 Bf6 (12...Be6 13.0–0+=) 13.Qc2 (13.h3 Be6+=) 13...Re8 14.d3 b6 (14...Bg4 15.0–0+=) 15.e4 (15.0–0 g6+=) 15...c5 (15...d5 16.0–0+=) 16.h3 Be6 (16...Bd7 17.0–0+=) 17.0–0 Rc8 18.Qd2 Qd7 (18...Qc7 19.a4+=) 19.Kh2 (19.bc5 bc5 20.Bc3 Rb8+=) 19...b5 (19...Qa4+=) 20.Rac1 (better is 20.cb5!? Qb5 21.bc5 Rc5 22.d4+=) 20...bc4–/+ 21.dc4 cb4 22.Qb4 (22.ab4 Bc4 (22...Rc4?! 23.Be5 Re4 24.Bf6 gf6 25.Nd4=) 23.Rfd1 Qb5–+) 22...Be7 (22...Rb8 23.Qd2–/+) 23.Qb3 (23.Rc2 Qc6 24.Rfc1 Qe4–+) 23...Rb8 24.Qa2? (better is 24.Qc2!?–/+) 24...Qb7–+ 25.Ba1 (25.Bc3 Qe4 26.Nd2 Qg6–+) 25...Qe4 26.Nd2 Qc6 (26...Qg6 27.Rc3–+) 27.Rc3 Rec8 (27...Bg5 28.Qc2–+) 28.g3 (28.Qc2 g6–+) 28...Bf6 (28...Qd7 29.h4–+) 29.Rb1 (29.Qc2 g6–+) 29...e4 (29...Bg5 30.Rb8 Rb8 31.Qc2–+) 30.Rb8 (30.Rcb3 Rb3 31.Qb3 Ba1 32.Ra1 d5 33.cd5 Bd5–+) 30...Rb8 31.Rb3? (31.Rc1 Bg5 32.Bd4–+) 31...Rb3 32.Qb3 (32.Bf6 Rd3 (32...gf6?! 33.Qb3 f5 34.Qe3–/+) 33.Bg5 d5 34.cd5 Qd5 35.Qd5 Bd5–+) 32...Ba1 33.Qb8 Qc8 34.Qc8 (34.Qd6 f5–+) 34...Bc8 35.Ne4 d5! 36.Nd6 (36.cd5 Bb7 Decoy) 36...dc4 37.Nc4 Be6 38.Nd2 (38.Nd6 Bd4–+) 38...a5 39.g4 (39.a4 Bc3 40.Ne4 Bd4–+) 39...a4 40.Kg1 (40.Kg3 Bb2 41.Ne4 Ba3–+) 40...Bb2 41.Nb1 (41.Ne4–+) 41...Ba2 42.Nd2 Ba3 43.Kf1 Bb4 44.Nf3 Bc4 (44...Bc4 45.Kg2 Bd5–+) 0–1. Aguilar Vallcorba,Manel (1640) – Jovani Vilanova,Albert, Campionat Absolut de Tarragona Group B, 2016.

6.Nc3 c5 7.bc5 dc5 8.Nf3 Nc6 9.a3 b6 (9...Bg4 10.Bd3+=) 10.Bd3= Bb7 11.0–0 (11.Ne4 g6=) 11...h6 12.Rab1 Qc7 (12...Bd6 13.Nd5=) 13.Nb5 (13.Nd5 Qd6=) 13...Qb8 14.Nh4 a6 15.Nc3 Qc7 16.Nf5 Rad8 17.f4 ef4 (17...Qd7 18.Nd5 Nd5 19.cd5 Qd5 20.Be4+=) 18.Nd5+= (worse is 18.ef4 Nd4 19.Nd4 cd4+=) 18...Nd5 19.Nh6 (19.cd5 Ne5 20.Be5 Qe5 21.Rb6 Bd5 22.ef4 Qc7+/–) 19...Kh8 20.cd5 Rd5 21.Nf5 (21.Rf4 Bg5 22.Rf5 Nd4 23.Nf7 Rf7 24.Rf7 Qf7 25.ed4 Bf4+=) 21...Ne5 (21...Rfd8 A) worse is 22.Bg7 Kg8 23.Qd1 Rf5 (23...Rd3?? 24.Qh5 f6 25.Qg6 fe3 26.Nh6) 24.Bf5 Kg7+=; B) 22.Ng7 Ne5 23.Ne8 (worse is 23.ef4 Rd3 24.Rf2 Bh4–/+) 23...Re8 24.ef4+=) 22.Rf4+= Bg5? (22...Bf6 23.Be4 Kg8+–) 23.Be4+– Re8 24.Bd5 Bd5 25.Rbf1 (25.Ra4 Bb7 26.Be5 Re5 27.Rf1+/–) 25...Bf4? (25...b5!?+/–) 26.ef4+– (26.Rf4?! Kg8+=) 26...Qc6 (26...Nf3 27.Rf3 Bf3 28.Ng7 Re1 29.Kf2 Kg8 30.Ke1 Bg2+–) 27.fe5 (27.Be5?! Be4 28.Qc4 Bf5 29.Qf7 Qg6 30.Bg7 Kh7 31.Qg6 Kg6+–) 27...Bg2 28.Rf4 Qg6 29.Rh4 Kg8 30.Ne7! Re7 31.Qg6 fg6 32.Kg2 Rd7 33.Bc3 Kf7 (33...Rd3 34.Ra4 a5 35.Rf4+–) 34.Rh8 b5 (34...Rb7 35.Ra8+–) 35.Ra8 1–0. pvanr (2310) – soltpl (2050), gameknot.com, 2016.

6.d4 ed4 7.Bd4 Nc6 8.Bc3 d5 (8...Ne5 9.Nd2+=) 9.a3 (9.b5 Nb8=) 9...d4 10.b5 dc3 11.bc6 bc6 12.Bd3 (12.Nf3 Bc5=) 12...Qd6 13.Nc3 (13.Nf3 Rd8 14.Be2 Qc5+=) 13...Rd8+= 14.Be2 Qc5 (14...Bf5 15.Qc1+=) 15.Nf3 Bf5 16.Qc1 (16.e4 Bg4+=) 16...Ne4 17.Ne4 Be4 18.0–0 Bf6 19.Ra2 Rab8 20.Nd2 Bd3 Exerts pressure on the isolated pawn (20...Bf5 21.e4 Bg6 22.Qc2+=) 21.Bd3+= Rd3 The isolani on a3 becomes a target 22.Ne4 Qe5 23.Nf6 Qf6 24.Rd1 (24.Qc2 Rbb3=) 24...Rb2 25.Rb2 Qb2 26.g3 (26.Kf1 Rd1 (26...Qa3?? 27.Qa3 Rd1 28.Ke2+–) 27.Qd1 Qa3 28.Qd8 Qf8 29.Qc7 Qa8=) 26...Qc1 27.Rc1 Ra3 28.Rd1 Kf8 (28...g5 29.Rd7=) 29.Rd7 Ke8 (29...Rc3 30.Rc7 Rc4 31.Ra7=) 30.Rc7 Kd8? (better is 30...Ra5=) 31.Rf7+– (31.Rc6?! Kd7 32.Rc5 a5+=) 31...a5 (31...g6 32.Rh7 a5 33.Rg7+–) 32.Rg7 a4 33.Rh7 Kc8 (33...Rc3 34.Ra7 Rc4 35.h4+–) 34.c5 (34.h4 Ra1 35.Kg2 Kb8+–) 34...Ra1 (34...Ra2 35.Kg2+–) 35.Kg2 Kb8 36.Rh4 Ka7 (36...Kc8 37.Kf3+–) 37.Rb4 (better is 37.g4!? Rb1 38.g5 Ka6 39.Ra4 Kb5+–) 37...Ka6 38.Rb6 Ka5 39.Rc6 Kb5 (39...a3 40.Rc8 Kb5 41.Ra8 Kc5 42.h4+–) 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 (7.Nc3 A) 7...Nbd7 8.Nf3 (8.Be2 d5 9.Nf3 e4 10.Nd4 Ne5 11.cd5 cd5 12.0–0 Bb4 13.Qb3; 8.a3 Nb6 9.Nf3 Bg4 10.Ng5 h6 11.h3 Bd7 12.Nge4 Ne4 13.Ne4) 8...d5 9.cd5 cd5 10.Be2 e4 11.Nd4 Ne5 12.0–0 Bb4 13.Qb3; B) 7...d5 8.Nf3 (8.cd5 cd5 9.b5 d4 10.Ne4 Ne4 11.Qe4 Be6 12.Bd3 g6 13.Qe5) 8...Nbd7 9.cd5 cd5 10.Be2 e4 11.Nd4 Ne5 12.0–0 Bb4 13.Qb3; C) 7...Na6 8.a3 h6 9.Nf3 Be6 10.d4 Qc7 11.Be2 Bh3 12.Bf1 Bg4 13.Bg2; D) 7...Qb6 8.Nf3 (8.Be2 Qb4 9.Nf3 Na6 10.0–0 Nc5 11.d4 ed4 12.Nd4 g6 13.Rfb1; 8.a3 a5 9.Na4 Qc7 10.Nf3 ab4 11.Bg2 c5 12.0–0 Nc6 13.Ng5; 8.b5 Nbd7 9.Nf3 Nc5 10.d4 ed4 11.Nd4 Rb8 12.Bg2 Be6 13.Qe2 ; 8.Na4 Qc7 9.Bd3 Na6 10.a3 b5 11.cb5 cb5 12.Nc3 Qb7 13.e4) 8...Qb4 9.a3 Qa5 10.Be2 h6 11.0–0 Bh3 12.Rfe1 Nbd7 13.Nh4) 7...Be6 (7...g6 8.Nc3 (8.Ne2 Bf5 9.e4 Be6 10.0–0 Qc7 11.Na3 a5 12.b5 cb5 13.Rac1) 8...Na6 9.a3 Bf5 10.Qb3 Qb6 11.Na4 Nc5 12.Nc5 dc5 13.Be5; 7...Na6 8.a3 Bg4 9.Ne2 Rc8 10.d4 Qd7 11.Nd2 ed4 12.Nd4 c5 13.bc5; 7...Qb6 8.Nf3 Qb4 9.0–0 Be6 10.d3 e4 11.de4 Qc4 12.Qc4 Bc4 13.Rc1; 7...Nbd7 8.Ne2 Qb6 9.a3 a5 10.b5 cb5 11.cb5 Qb5 12.Nbc3 Qa6 13.d4) 8.Ne2 (8.Nf3 Na6 9.a3 Nc7 10.0–0 a5 11.Ng5 ab4 12.ab4 Ra1 13.Ba1) 8...Qd7 (8...Qb6 9.a3+= (9.d4 Nbd7 10.0–0 Qb4 11.Nd2 Qa5 12.Rab1 g6 13.Nc1) 9...a5 10.c5 dc5 11.bc5 Bc5 12.Be5 Nbd7 13.Bf6) 9.f4 'White threatens to win material: f4xe5' (9.0–0 a5= 10.ba5 Ra5 11.d4 Qc7 12.Nd2 Nbd7 13.a4) 9...Bh3 'Black threatens to win material: Bh3xg2' (9...Na6 10.a3 Bf5 11.e4 Bg4 12.Nbc3 h5 13.0–0) 10.0–0 Bg2 11.Kg2 e4 (11...a5 12.ba5 Na6 (12...Qc7 13.Bc3) 13.fe5 de5 14.Be5=) 12.Nbc3 d5 13.c5 'White gains space' (13.a3 Rd8=; 13.cd5=) 13...a5 (13...b6 14.Rab1=) 14.a3 h5 15.Nd4 'A sound move' 15...ab4 16.ab4 Ra1 17.Ra1 Na6 18.Nc6 'Sacrifices material' (18.Ra4 h4=) 18...Qc6 '=/+' 'Black wins a piece' 19.b5 'White threatens to win material: b5xc6' 19...Nb4 (better is 19...Qc5 20.ba6 ba6+=) 20.Qb3 '??' 'stumbles just before the finish line' (better is 20.bc6 Nc2 21.cb7 Na1 22.c6+/–) 20...Qc5 '–+' 21.Ba3 (21.Qd1 hardly improves anything 21...Qc4 22.Qf1 Qb3–+) 21...Qc4 22.Rb1 (22.Qc4 cannot change what is in store for ? 22...dc4 23.Rb1 Nbd5 24.Be7 Ne7–+) 22...Qb3 (better is 22...Qd3 and Black can already relax 23.Bb4 Qd2 24.Kh3 Bb4 25.Qb4 Qe3 26.Nd1–+) 23.Rb3 d4 '!' 'Discovered attack: a3, b4–c2' 24.ed4 Nbd5 (24...Nc2 Discovered attack) 25.Nd5 Nd5 0–1. Myslowski,Karol (1930) – Dziong,Lech (2065), Polonia–B Warsaw POL, 1978.

6.g3 g6 A) 7.Nf3 A1) 7...a5 8.b5 Bf5 9.d3 e4 10.Ng5 ed3 11.Bd3 Bd3 12.Qd3 Nbd7 13.Qe2; A2) 7...Bg4 8.Bg2 (8.Nh4 a6 9.Nc3 Nc6 10.Nd5 Re8 11.Bg2 Nd5 12.cd5 Nb4 13.Qc4; 8.Be2 e4 9.Nd4 c5 10.Bg4 cd4 11.Bh3 Nc6 12.0–0 de3 13.fe3) 8...Nc6 9.0–0 e4 10.Ng5 Be2 11.Ne4 Bf1 12.Kf1 d5 13.cd5; A3) 7...Nc6 8.b5 Nb4 9.Qb3 e4 10.Nd4 c5 11.bc6 Nc6 12.Bg2 Bg4 13.h3; A4) 7...Bf5 8.d3 a5 9.b5 Nbd7 10.Nc3 a4 11.Ba3 c6 12.e4 Be6 13.Be2; B) 7.Nc3 a5 8.b5 Bf5 9.Bd3 Bd3 10.Qd3 Nbd7 11.Nge2 Nc5 12.Qc2 d5 13.cd5.

6.Nc3 Na6

7.a3 c5 8.b5 Nc7 9.Nf3 a6 10.ba6 ba6 (10...Ra6 11.Be2=) 11.Be2 Rb8 (11...Bb7 12.0–0=) 12.0–0 (12.Rb1 Re8=) 12...Qd7 (12...Bb7 13.Rab1=) 13.Rab1 (13.d4 ed4 14.ed4 Ne6=) 13...Bb7 (13...Ne6 14.Bd3=) 14.Ng5 (14.d4 cd4 15.ed4 Qc6=) 14...h6 (14...Ne6 15.Ne6 fe6 16.d3=) 15.Nge4 Ne4 16.Ne4 f5 17.Ng3 Bh4 (17...f4 18.Ne4=) 18.Bc3 (18.d4 Bg3 19.fg3 Be4=) 18...g6 (18...Qc6 19.Bf3 e4 20.Be2=) 19.d4 cd4 (19...Bg3 20.fg3 Be4 21.Bd3 Bd3 22.Qd3=) 20.ed4 ed4 (20...Bg3 21.fg3 Be4 22.Bd3 Rb1 23.Qb1=) 21.Bd4+= Ne6 22.Qd2 (22.Ba7 Be4 23.Ne4 Rb1 24.Qb1 Nf4+=) 22...Kh7 (22...f4 23.Nh1 Nd4 24.Qd4=) 23.Be5 (23.Ba7 Ra8 24.Bd4 Nd4 25.Qd4 Bf6=) 23...Rfd8 24.Bc3 Bg5 (24...f4 25.Nh1=) 25.f4 Bh4 26.Ba5 (26.Rb6 d5=) 26...Re8 (26...Bg3 27.hg3 Re8=) 27.Rfd1 (27.Rb6 Bg3 28.hg3 Nc5=) 27...Bf6 (27...Qc6 28.Bf1 Bd8 29.Bd8 Red8=) 28.Bb6= Ba8 (28...Qc6 29.Bf1=) 29.Be3 (worse is 29.Qd6 Qd6 30.Rd6 Be7+=) 29...Rb1 30.Rb1 Qc7 (30...Nc5 31.Re1=) 31.Kh1 (31.Rd1 Qc6 32.Bf1 Nc5+=) 31...Nc5 32.Bf1 (32.Kg1 Qe7 33.Bd4 Bd4 34.Qd4 Qe3 35.Qe3 Re3+=) 32...h5 (32...Bc6 33.Kg1+=) 33.Ne2 (33.Bd4 Bd4 34.Qd4 Ne6=) 33...Be4 (33...Be4 34.Rb4 a5=). Schulz,Hans_Juergen – Felkel,Siegfried, TT–18.21 TSC, 2005.

7.a3 c5 8.bc5 Nc5 9.d4 ed4 10.ed4+=.

7.a3 c6 8.Nf3= Bg4 9.Be2 Re8 (9...c5 10.bc5 Nc5 11.d4 ed4 12.Nd4 Be2 13.Qe2=) 10.0–0 Nc7 (10...Qd7 11.Rfd1=) 11.d4 (11.Rfd1 Ne6=) 11...ed4 (11...Bf3 12.Bf3 ed4 13.ed4=) 12.Nd4+= Be2 13.Nce2 Bf8 (13...a5 14.b5 Qd7 15.Rab1+=) 14.Rfd1 d5 15.Ng3 (15.Nc3+=) 15...dc4 (better is 15...Bd6!?+=) 16.Nc6!+/– Qc8 (16...bc6 17.Rd8) 17.Bf6 gf6 (17...bc6 18.Bd4+/–) 18.Nd4+– b5 (18...Nd5+–) 19.Nh5 Bg7? (19...Be7 20.Nf5 Kh8+–) 20.Nf5 (20.Ng7?! Kg7 21.Nf5 Kh8+–) 20...Bh8 (20...Kh8 21.Nhg7 Rg8+–) 21.Nh6 Kf8 1–0. Yermolayev,A – Pereira,P, IECG, 2004.

6.Nc3 Be6

7.Bd3 Nc6 8.a3 d5 (8...Bg4 9.Nd5 h6 10.b5 Nb8 11.Nf6 Bf6 12.Be4 c6 13.Nf3 Be7=; 8...Kh8 9.Nf3 Bg4 10.Nd5 Qd7 11.b5 Nd8 12.Nf6 Bf6 13.Be4 a6=) 9.cd5 Bd5 10.Nd5 Qd5 11.Be2 Rfe8 12.d3 Rad8 13.Rd1 Nd4+=.

7.Nf3 a5 A) 8.ba5 Ra5 9.Ng5 Bg4 10.Bd3 g6 11.0–0 Na6 12.Be2 d5 13.f3 Bc8=; B) 8.b5 Nbd7 (8...Re8 9.d4 Nbd7 10.Be2 Qc8 11.0–0 ed4 12.Nd4 Nb6 13.Ne6 Qe6=; 8...Kh8 9.d4 Nbd7 10.Be2 ed4 11.Nd4 Nc5 12.0–0 Qe8 13.Rad1 Kg8+=) 9.d4 Bg4 10.Be2 ed4 11.Nd4 Be2 12.Nce2 a4 13.a3 Re8=.

7.Nf3 Nc6 A) 8.a3 Qd7 (8...Re8 9.Bd3 h6 10.0–0 Bg4 11.Be2 Qd7 12.b5 Nd8 13.d4 ed4=; 8...a6 9.Ng5 Bg4 10.Bd3 h6 11.Nh7 Re8 12.Nf6 Bf6 13.Be4 Qd7+=; 8...Nd7 9.Nd5 Nb6 10.Ne7 Qe7 11.c5 Nd5 12.b5 Nb8 13.d4 ed4+=; 8...h6 9.Be2 Re8 10.0–0 a6 11.Rfe1 Ng4 12.d4 ed4 13.ed4 d5+/–; 8...Ng4 9.Be2 Bf6 10.0–0 a6 11.Nd5 Re8 12.Bd3 g6 13.h3 Nh6+=) 9.Bd3 h6 10.b5 Na5 11.Qa4 b6 12.Be2 a6 13.0–0 ab5–/+; B) 8.b5 Na5 (8...Nb8 9.d4 Nbd7 10.Be2 a6 11.0–0 ab5 12.cb5 ed4 13.Nd4 Nc5=; 8...Nb4 9.Qb1 d5 10.a3 e4 11.Nd4 Nd3 12.Bd3 ed3 13.Ne6 fe6+=) 9.Ng5 c6 10.bc6 Nc6 11.Bd3 Kh8 12.Ne6 fe6 13.0–0 Nb4=.

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 Nbd7 8.Ng5 Bg4 (8...a5 9.Ne6 fe6 10.b5 Rf7 11.Be2 c6 12.0–0 Rc8 13.bc6 Rc6=; 8...Kh8 9.Be2 a5 10.Ne6 fe6 11.b5 d5 12.0–0 Nb6 13.d3 a4=; 8...h6 9.Ne6 fe6 10.Qg6 a5 11.b5 a4 12.a3 Qe8 13.Qe8 Rfe8=) 9.f3 Bh5 10.Bd3 Bg6 11.Bg6 hg6 12.a3 Nb6 13.d3 Ng4=.

7.Nf3 Re8 8.Ng5 (8.d4 a5 9.ba5 Ra5 10.Qb3 b6 11.Bd3 Bg4 12.Ne4 Bf3 13.gf3 ed4+=; 8.Bd3 Bg4 (8...h6 9.0–0 a5 10.b5 a4 11.a3 Nbd7 12.Be2 Nb6 13.d3 Ra5=; 8...Nc6 9.a3 h6 10.0–0 Bg4 11.Be2 Qd7 12.b5 Nd8 13.d4 ed4=) 9.Ne4 Nbd7 10.0–0 Bf3 11.gf3 c6 12.Rfb1 Ne4 13.Be4 Nf6=; 8.Be2 Nc6 (8...Qc8 9.0–0 Nbd7 10.Ng5 Nf8 11.Ne6 Ne6 12.Nd5 a5 13.b5 a4+=; 8...Qd7 9.0–0 Na6 10.a3 c5 11.b5 Nc7 12.Ng5 Bf5 13.e4 Bg6=; 8...Na6 9.b5 Nc5 10.d4 ed4 11.ed4 Ncd7 12.0–0 d5 13.c5 Bg4=; 8...Bc8 9.0–0 Bd7 10.a3 a5 11.b5 Bg4 12.d4 Nbd7 13.de5 de5+=) 9.b5 Na5 10.Qa4 c5 11.Ng5 Bf5 12.e4 Bd7 13.0–0 h6=; 8.b5 c6 (8...a6 9.d4 ab5 10.cb5 Nbd7 11.Bd3 ed4 12.Nd4 Nc5 13.0–0 Nd3=; 8...Nbd7 9.Ng5 Bg4 10.f3 Bh5 11.Bd3 Nf8 12.0–0 a6 13.a4 Bg6=) 9.d4 cb5 10.cb5 Nbd7 11.Bd3 Bg4 12.de5 de5 13.Rd1 Bb4+=; 8.a3 a5 (8...Nbd7 9.Be2 Nb6 10.d3 a5 11.0–0 Qd7 12.Ng5 Bg4 13.f3 Bh5=; 8...Bg4 9.Be2 a5 10.0–0 ab4 11.ab4 Na6 12.b5 Nc5 13.Ra8 Qa8+=) 9.Ng5 Bc8 10.Nd5 Nbd7 11.d4 h6 12.Ne7 Qe7 13.Nf3 ed4=) 8...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 1–0. Buettner,Fritz (2375) – Santos,Pedro (1810), CiF–11er/0030, 2010.

7.Nf3 Bg4 8.Be2 Qd7 (8...a6 9.0–0 Nc6 10.a3 Qd7 11.Nd5 Bf5 12.e4 Bg4 13.b5 Nb8+=; 8...Nbd7 9.0–0 c5 10.bc5 dc5 11.Ne4 Bh5 12.Ng3 Bg6 13.d3 Bd6+=; 8...Nc6 9.b5 Na5 10.0–0 Bf3 11.Bf3 Nc4 12.Bb7 Rb8 13.Bc6 Nb2+=; 8...Qc8 9.0–0 Re8 10.a3 a5 11.b5 Qf5 12.e4 Qe6 13.Ng5 Qd7+=; 8...Na6 9.a3 c5 10.bc5 Nc5 11.d4 ed4 12.Nd4 Qd7 13.0–0 Rfe8=) 9.0–0 Na6 10.a3 c5 11.b5 Nc7 12.d4 ed4 13.ed4 Rfe8=.

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 Black plans e4 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 Attacking the isolated pawn on d4 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 (50...Bh6? 51.Rh5 Kg4 52.Rh6 Rc8 53.Kd3+–) 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 (better is 62.Kd3!?–/+) 62...Rc3–+ 63.d6 Re3 64.Bb7 Bc3 (worse is 64...Bd6 65.Ka5 Re6 66.Rb3 Kh2 67.Rf3–+) 65.Kc5 Re1 66.Rb3 Re5 (better is 66...f1Q!? 67.Rc3 Kg4 68.Bd5–+) 67.Kb6 f1Q 68.Rc3 Kg4 69.Bf3 Kf5 70.d7 Qg1 71.Kc6?? (71.Kb7 Qd4 72.Rc7 Re3–+) 71...Re6 (better is 71...Qd4 72.Rc1 Re6 73.Kb7 Qb2 74.Ka7 Qb6 75.Ka8 Qd8 76.Rc8 Qd7–+) 72.Kb7 Qd4 73.Rc6?? (73.Rc7–+) 73...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.

6.g3 Bg4

7.Nc3 A) 7...a6 8.Bg2 (8.a3 a5 9.b5 Nbd7 10.Bg2 Qc8 11.Nge2 Nc5 12.d4 ed4 13.Nd4; 8.h3 Be6 9.Nf3 Nc6 10.a3 h6 11.g4 d5 12.cd5 Nd5 13.Bd3 ; 8.Bd3 Nc6 9.a3 Qd7 10.f3 Bh5 11.Kf2 Bg6 12.Nge2 Qe6 13.e4; 8.Be2 Nc6 9.a3 Qd7 10.Nf3 Bf5 11.d3 b5 12.Nd5 bc4 13.e4) 8...Nc6 9.a3 Qd7 10.d3 h6 11.Nf3 Qf5 12.Nh4 Qh5 13.Nd5; B) 7...Qc8 8.Nd5 (8.Bd3 Nc6 9.a3 Qe6 10.Rc1 Rac8 11.f3 Bh5 12.Bf5 Qc4 13.d3) 8...Nd5 9.cd5 Na6 10.a3 Qd7 11.Qc4 Rac8 12.Be2 Be2 13.Ne2; C) 7...Nc6 8.b5 (8.h3 Bh5 9.b5 Na5 10.g4 Bg6 11.Qa4 c6 12.Ba3 a6 13.bc6) 8...Nb4 9.Qb1 e4 10.a3 Nd3 11.Bd3 ed3 12.Qd3 c6 13.f3; D) 7...h6 8.Bg2 (8.Nd5 Nbd7 9.Be2 a5 10.ba5 Be2 11.Nf6 Nf6 12.Ne2 Qd7 13.0–0) 8...Nc6 9.a3 Qd7 10.b5 Na5 11.Qa4 b6 12.Nge2 Bh3 13.Ba8.

7.h3 Bh5 8.Nc3 a5 9.b5 Nbd7 10.d3 Nc5 11.Bg2 Bg6 12.Rd1 Qd7 13.Nge2.

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 (10...Nb4 11.Qa4 c5 12.bc6 Nc6 13.d4=) 11.Nc3 (11.Ng5 Nbd7+=) 11...c5 (11...0–0 12.Ng5=) 12.Bd3 h6 13.0–0 Nbd7 14.Ne4 (14.Be2 0–0+=) 14...0–0= 15.Ng3 Qc7 (15...Nb6 16.Be2=) 16.Nf5 (16.Bf5 Ra8+=) 16...Bf5 (16...Re8 17.Ne7 Re7 18.Bc3=) 17.Bf5+= d5 18.cd5 Nd5 19.Bd7 Qd7 20.Ne5 Qb5 21.Rb1 Qa6 22.Nd7 (22.d4!? Ra8 23.Bb2+=) 22...Ra8= 23.g3 (23.Bb2 Nb4 24.Qf5 Qd3 25.Qd3 Nd3=) 23...Qa2 24.Qa2 Ra2 25.Bc3 Nc3 26.dc3 Rc2 27.Nb6 Bf6 (27...Rc3? 28.Nd5 Bf6 29.Nc3 Bc3 30.Rb7+–) 28.c4 Bd8 29.Nd5 Rc4 30.Rb7 Rc1 31.Kg2 Ba5 32.Ne7 Kf8?? (better is 32...Kh7+=) 33.Nc6+– (33.Nc6 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 (11...Ra7 12.Nd5=) 12.e4+= Bg6 13.cb5 ab5 14.Nb5 Rfc8 (14...Nb4 15.Qc7 Qb5 A) 16.Qe7? Nc6 17.Qd6 Rfd8–+ (17...Qb2?! 18.Qc6 Rfc8 19.Qd6+=); B) 16.ab4 Qb4 17.Bc3+/– (17.Qe7?! Qb2 18.Ra8 Ra8+=)) 15.Nc3 Nh5 (15...Nd4 16.Nd4 ed4 17.Nd5 Nd5 18.ed5+/–) 16.Nd5+– Nf4 (16...Bf6 17.b5 Ne7 18.Nf6 Nf6 19.a4+/–) 17.Qc6! Ne2 (17...Qc6 18.Ne7 Double attack (18.Ne7 Decoy)) 18.Kh1 Qe6? (better is 18...Qd8+–) 19.Ne5! de5 (19...Bh5+–) 20.Qe6 fe6 21.Ne7 Kh8 (21...Kf7 22.Nc8 Nf4 23.Rfd1+–) 22.Nc8 Rc8 23.Be5 c5 24.b5 Nd4 25.Bd4 (25.Rab1 Be8 26.b6 Bc6+–) 25...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? (9...0–0 10.b5+= (10.Nce4?! Nd5 11.Qc4 Nb4=)) 10.Nge4?? (better is 10.Nd5 Qd5 11.Bg7 Bg5 12.Bh8+–) 10...Bb4 11.Nd5 Qd5 12.Bd3 Bd2?? (better is 12...Nd7+=) 13.Nd2?? (better is 13.Kd2 Be4 14.Qa4 Nd7 15.Qe4 Qe4 16.Be4+–) 13...Bd3+= (worse is 13...Qd3 14.Qc7 0–0 15.Qb7+=) 14.Qc7 Qg2 15.Qe5? (better is 15.0–0–0 Nd7 16.Nc4=) 15...Kd8–+ 16.0–0–0 Nd7 17.Qd4 Rc8 18.Bc3 Qc6 19.Kb2 Qb6 (19...Be2!? 20.Qg7 Bd1 21.Qh8 Kc7 22.Be5 Kb6 23.Bd4 Kb5 24.Qc8 Qc8 25.Rd1 Nc5–/+) 20.Nb3 Qd4 21.Nd4 Bg6 22.Nb5 a6 23.Bg7 Rg8?? (better is 23...Rc2 24.Ka3 Rg8 25.Bf6 Ke8 26.Nd6 Kf8=) 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 (34...Bd7 35.Rg8+–) 35.f4 b5 (35...Bd7 36.Rg8+–) 36.Rg5 h4 37.Rh5 Kg6 38.Rh4 a5 (38...Kg7 39.Rg4 Kh7 40.f5+–) 39.Rg4 Kf6 40.h4 b4 41.h5 a4 (41...Be4 42.Ke4 Ke7+–) 42.h6 b3 43.ab3 ab3 44.h7 b2 (44...Ke6 45.h8Q Ke7 46.Qe5 Kd7 47.Kc5 f5 48.Rg7 Kd8 49.Qb8) 45.h8Q Ke7 46.Qb8 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 White plans f5 24...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, 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.b5 Be6 7.Nf3 Nbd7 (7...a6 8.ba6 Na6 9.d4+=) 8.Be2 (8.d4 a6=) 8...h6 (8...a6 9.ba6 ba6 10.0–0=) 9.a4 (9.d4 a6=) 9...Nc5 (9...Re8 10.0–0=) 10.d4 ed4 11.Nd4 (worse is 11.Qd4 Nb3 12.Qd3 Na1 13.Ba1 Nd7–+; 11.ed4?! Nce4=) 11...Bd7 (11...a5 12.0–0=) 12.Nb3 (12.0–0 a6+=) 12...Nb3= 13.Qb3 c6 (13...Bg4 14.Bg4 Ng4 15.a5+=) 14.0–0 c5 (14...Qa5!?+=) 15.Bf3+/– Rb8 16.Rfd1 (16.a5 a6+/–) 16...Qc7 (16...Qa5 17.Nd5 Nd5 18.Bd5+/–) 17.a5 b6 (17...Rfe8 18.Nd5 Nd5 19.Bd5+/– (19.cd5?! b6=)) 18.ab6 ab6 19.Ra6 (19.Ra4 Be6+–) 19...Bc8+/– 20.Ra4 Be6 (20...Bb7 21.Ra7+/–) 21.Rda1+– Rfe8 (21...Rbc8 22.Qd1+–) 22.Ra7 Qc8 (better is 22...Qd8+–) 23.Qd1?? (better is 23.Bc6+–) 23...Bc4+= 24.Bc6 1–0. jaddwarrior (2035) – Duncanguy, ChessWorld.net, 2013.

6.Rc1 a5 7.b5 Nbd7 8.Bd3 (8.d4 ed4 9.Qd4 Nc5=+) 8...Nc5–/+ 9.Bb1 (9.Bc2 Bg4 10.Nf3 e4=+) 9...Bg4 10.f3 Bh5 (10...Be6 11.d4 ed4 12.ed4 Bc4 13.dc5 dc5 14.Qd8 Rfd8 15.Ne4 Ne4 16.Be4 (16.fe4?! Bb5 17.Nf3 c4+=) 16...Ba2 17.Bb7+/–) 11.Nce2 (11.d4 ed4 12.ed4 Ne6=) 11...Nfd7 (11...Bg6 12.Bg6 fg6 13.d4 ed4 14.ed4=) 12.Nh3 (12.d4 ed4 13.Ng3 Bh4 14.ed4 Qf6=+) 12...Bg6 (12...Bh4 13.Nf2=+) 13.d3 (13.0–0 Bd3=+) 13...Bg5 (13...Bh4 14.Nf2–/+) 14.Kf2 (14.f4 Bh4 15.g3 Bf5+=) 14...Bh6 (14...Bh4 15.Ng3–/+) 15.g3 (15.d4 Qh4 16.Ng3 ed4 17.Qd4 Qd4 18.Bd4 Bb1 19.Rb1 Nd3 20.Ke2 N3e5+/–) 15...f5 (15...Bf5!? 16.g4 Bg6–/+) 16.f4=+ Bh5 17.Re1 Qe7 18.Qd2 (18.Kg2 e4=+) 18...Be2 (18...e4 19.Kg1=+) 19.Re2= b6 (19...e4 20.Kg2=) 20.Rce1 (20.Kg2 e4=) 20...Qf7 (20...e4 21.Kg2=) 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 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 (7...Bg4 8.Nd5=) 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 d5 7.a3+= d4 (7...a5 8.b5 d4 9.Ne4 de3 10.Nf6 Bf6 11.fe3 Re8+=) 8.Ne4 a5 9.Nf6 Bf6 10.Nf3 Re8 11.b5 Bf5+=.

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 (7...d5 8.a3 d4 9.Ne4 de3 10.fe3 Ne4 11.de4 c5+=) 8.Be2 Nc6 (8...a5 9.b5= Nbd7 10.0–0 Nc5 11.d4 ed4=; 8...d5 9.a3 a5 10.b5 e4 11.de4 de4=) 9.b5= Na5 10.0–0 (10.Qa4 c6 11.0–0 a6=) 10...c6 (10...a6 11.ba6 Ra6=) 11.Qc2 (11.Rb1 cb5=) 11...c5 (11...Rc8 12.Qa4=; 11...Qc7=) 12.a4 b6 13.d4 (13.Nd2+=) 13...Rb8?? (better is 13...cd4 14.ed4 ed4 15.Nd4 Be2 16.Qe2 Bf8+=) 14.de5+/– Bf3?? (better is 14...de5 15.Ne5 Be2 16.Ne2 Bd6+/–) 15.ef6+– (15.Bf3?! de5 16.Rad1 Qc8+/–; 15.gf3?! de5 16.Rfd1 Bd6+=) 15...Be2 16.fe7 (16.Ne2?! Bf6 17.Bf6 Qf6+=) 16...Qe7 17.Ne2 =. Wall,Bill – King,Thomas, internet, 2001.

6.Bd3 Be6 7.Rc1 (7.Nf3 a5 8.b5 Nbd7+=) 7...c5 8.b5 Nbd7 (8...a6 9.Qa4+=) 9.Ne4 (9.Nf3 a6+=) 9...Ne8 10.Ne2 f5 11.N4g3 Nb6 (11...a6 12.ba6 Ra6 13.Qb3–/+) 12.0–0+= Nc7 13.a4 (13.f3 a6 14.ba6 Ra6+=) 13...a5 (13...e4 14.Bc2 Nc4 15.Ba1–/+) 14.Kh1 (better is 14.f3!?+=) 14...e4–/+ 15.Bb1 Nc4 (15...Bc4?! 16.d3 ed3 17.Bd3 Bd3 18.Qd3+=) 16.Bc3 Ne5 (16...Bf6!?–/+) 17.Nf4+= Qd7 18.Ne6 (18.d3 ed3 19.Ne6 Qe6 (worse is 19...Ne6 20.f4+=) 20.Bd3 Nd3 21.Qd3 d5+=) 18...Qe6 19.Nh5 b6 (19...Qf7 20.Nf4+=) 20.Nf4 Qf7 21.Rc2 (21.d3 ed3 22.Nd3 Rad8=) 21...Ng6 22.Ba2 d5 23.Be5?? (better is 23.Nh5 Ne8 24.d3+=) 23...Ne5–+ 24.d4 ed3 25.Nd3 Nd3 26.Qd3 Rad8 27.Rd1 (27.Bb1 Qe6–+) 27...Kh8 (27...c4 28.Qd4 Qf6 29.Qf4–+) 28.Qe2 (28.Bb3 f4–+) 28...c4 29.Qf3 (29.Bb1 f4–+) 29...g6 (29...f4 30.Kg1–+) 30.Qf4 Bf6 31.h4 (31.Bb1 Rfe8–+) 31...Ne6 32.Qh2 (32.Qf3 Nc5 33.Rcd2 Ne4–+) 32...h5 (32...f4 33.e4 Nd4 34.Rcd2–+) 33.f3 (33.Bb1 Nc5 34.Ra2 Qe6–+) 33...Nc5 34.g4 (34.Bb1–+) 34...Ne4 (34...hg4 35.fg4 fg4 36.Qf4–+) 35.Bb1 (35.fe4 fe4 (35...fg4?! 36.ed5 Rd5 37.Rf1–+; worse is 35...hg4 36.ed5 Rd5 37.Rdc1–+) 36.gh5 gh5–+) 35...fg4 (better is 35...Nc3 36.Rdc1 Nb1 37.Rb1 fg4 38.fg4–+) 36.fg4 (36.fe4 de4 37.Rd8 Bd8–+ (37...Rd8?! 38.Rc1–+)) 36...Be5 (36...Bh4 37.Rdc1 Qf3 38.Qg2 Nf2 39.Kg1 Qe3 40.Rc3 Nd3 41.Kh1–+) 37.Qg2 (37.Qe5 Kh7 38.Kg1–+) 37...Nf2 38.Rf2 Qf2 39.Bg6 (39.Qf2 Rf2 40.Kg1 Rh2 41.Bg6 hg4–+) 39...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 (7...d5 8.c5–/+) 8.Nf3 (8.Qf3 Qc8 9.d5 a5+=) 8...Nbd7 (8...d5!? 9.c5 a5=) 9.Bd3= Bg6 (9...Bd3 10.Qd3 Re8 11.0–0=) 10.0–0 (10.Bg6 hg6 11.d5 Re8+=) 10...Nh5 (10...Bd3 11.Qd3 a5 12.b5+=) 11.Nd5 (11.Bg6 fg6 12.Re1 c6+/–) 11...Ndf6 12.Ne7 Qe7 13.Re1 Qd7 14.Bg6 fg6 15.Qd2 (15.d5 Nf4 16.Bc1 N6h5+=) 15...h6 (15...Rae8 16.Re8 Re8 17.a3=) 16.h3 Nh7 (16...c6+=) 17.d5 (17.Re3 a5+/–) 17...Nf4 (better is 17...Rf3!? 18.gf3 Qh3+=) 18.Re3+/– Rf7 19.Rf1 (19.Nd4 Ng5 20.Rae1 Ngh3 21.gh3 Nh3 22.Kh1 Nf2 23.Kg2 Ng4+/–) 19...Raf8 (19...c6 20.dc6 Qc6 21.Rc1+=) 20.Nd4 Ng5 21.Kh2 (21.Qc3 c6 22.dc6 bc6+=) 21...c5 22.bc5 (22.dc6!? bc6 23.a3+=) 22...dc5= 23.Nf3? (23.Nb5 Nfh3 24.gh3 Rf3–+) 23...Nf3?? (better is 23...Ng2 24.Ng5 Ne3 25.Qe3 hg5–+) 24.Rf3= Qd6 (24...g5 25.Be5=) 25.Kg1 (25.g3 Ne6 26.Rf7 Rf7+=) 25...Qd7 (25...Qe7 26.Qe3 Qe3 27.Re3= (worse is 27.fe3 Nh3 28.Kh2 Ng5+=)) 26.Re3 (26.Be5 g5+=) 26...Qf5 (better is 26...b5 27.cb5 c4=) 27.Rf3?? (better is 27.Be5+=) 27...Qg5–/+ Threatening mate... how?. Black gets strong initiative 28.Rf4 Qf4 29.Qf4 (29.Qe2!?–/+) 29...Rf4–+ 30.Be5 (30.f3 Rc4 31.Rf2 Ra4–+) 30...Rc4 31.d6 Rd8 32.Rd1 Rd7 33.Rd2 b5 34.Kf1 Rc1 35.Ke2 c4 36.Ke3 (36.Rd5 a6 37.a4 Rb1–+) 36...c3 37.Re2 a5 38.Kd3 b4 39.Kc4 a4?? (better is 39...Kf7–+) 40.Kb4+= c2 (better is 40...Kf7+=) 41.Ka4?? (41.Ka3 Rb7+=) 41...Ra7 (41...Rb1 42.Bd4 c1Q 43.Rb2 Rb2 44.Ka5 Qc3 45.Bc3 Ra7) 42.Kb3= Rb1 43.Kc2 Ra2 44.Kd3 Rb3 45.Kc4? (better is 45.Bc3!? Raa3 46.Re8 Kh7 47.Rc8+=) 45...Re2–+ 46.d7 Rd2 Black threatens strongly Rbd3 47.Kb3 Rd7 48.Kc3 Kf7 49.Bd4 Ke6 50.Kd3 Kf5 51.Ke3 h5 (51...g5 52.Kd3–+) 52.g3 (52.Bc5 g5–+) 52...g5 53.f3 g4 54.hg4 hg4 55.f4 g5 (55...Rb7 56.Be5–+) 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 (8.a3 dc4 9.Ng3 Be6+=) 8...Bb4–/+ 9.Qb3 Bc3 (9...a5 10.a3 Bc3 11.Bc3–/+) 10.Bc3+= c6 11.Be2 Re8 12.0–0 Nbd7 (12...b6 13.cd5 cd5 14.Rfc1–/+) 13.a4 a5 14.c5 Nb8 (14...b6 15.cb6 Qb6 16.Rab1 Qb3 17.Rb3+=) 15.Qc2 (15.Rab1 Ra7=) 15...Na6 (15...Bg4 16.Rab1 Qc7 17.Bg4 Ng4 18.Qb3+=) 16.Qd2 Nb8 17.Rab1 Nbd7 18.Nf5 Nf8 (18...Nc5!? 19.Ng7 Nb3 20.Rb3 Kg7=) 19.Nd6+= Re7 20.Rb2 b5. Fredek (2065) – Guest1313417, Freundschaftspartie, 5m + 0s, 2006.

6.Be2 Nc6 7.b5 Na5 8.d4 ed4 (8...a6 9.de5 de5 10.Nf3 ab5 11.cb5=) 9.ed4 (9.Qd4 Re8=) 9...b6 (9...a6 10.Nf3+=) 10.Nf3 (10.d5 a6=) 10...Bg4 (10...d5 11.cd5 a6 12.Qc2=) 11.Bd3 (11.0–0 a6+=) 11...Qd7 (11...d5 12.cd5 a6 13.h3=) 12.h3 (12.0–0 a6+=) 12...Bh5 (12...Qe6 13.Qe2 Bf3 14.gf3=) 13.0–0+= h6 (13...a6 14.Re1+=) 14.Rc1 (14.Re1+=) 14...Nh7 (14...Rfe8 15.Re1+=) 15.Ne4 (15.Nd5 Ng5 16.Ne5 de5 17.Qh5 ed4 18.Bd4 c6+/–) 15...Qd8 (15...a6 16.Ng3 Bg6 17.Bc3+=) 16.Ng3+/– Bg6 17.Qc2 (17.Bg6 fg6 18.Qd3 Ng5 19.Ng5 Bg5+/–) 17...Bd3 18.Qd3 Ng5 (18...a6 19.Nf5+/–) 19.Ng5 (19.d5 Nf3 20.Qf3 Bg5+/–) 19...Bg5 20.f4 Bh4 21.Nf5 (21.d5 Bf6 22.Bc3 Bc3 23.Qc3 Qd7+/–) 21...Bf6 (21...a6 22.Bc3+/–) 22.Bc3+/– Nb7 (22...a6 23.d5+/–) 23.Rce1 (23.Rfe1 a6+/–) 23...Qd7 (23...a6 24.Qf3 Qc8 25.Qd5+=) 24.g4+/– Rfe8 (24...d5 25.cd5 Rfd8 26.Qc4+/–) 25.Qf3 Nd8?? (better is 25...Na5 26.Ba5 ba5+=) 26.Qa8 (26.Re8 Qe8 27.Qa8 Qd7+–) 26...Ne6 (26...g6 27.Re8 Qe8 28.Re1+–) 27.Qd5 (better is 27.Qf3 g6 28.Nh6 Kh7 29.Qf2 Nd4 30.Nf7 Qf7 31.Bd4 Bd4 32.Qd4 Re1 33.Re1+–) 27...Bh4 (27...Kh7+–) 28.Nh4 Nf4 (28...Qd8 29.Nf5 Kh7 30.Qc6+–) 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 (11...d5 12.cd5 Nbd5 13.Nd5 Nd5 14.Qc2+=) 12.Nce4 Ne4 13.Ne4 a6 (13...f5 14.Ng3+=) 14.a4 (14.Bg4 f5 15.Bh3 ab5 16.cb5 d5–/+) 14...ab5 15.ab5 Ra1 16.Ba1 (16.Qa1 Ra8 17.Qe1 d5 18.cd5 Nd5+=) 16...d5+= 17.Nd2 d4 18.Qc2 h6 19.Bb2 Ra8 20.Ra1 Ra1 21.Ba1 Nd7 22.ed4 (22.Bf3 Bg5 23.Nf1 Nf6=) 22...ed4 (22...cd4 23.f4+=) 23.g3 (23.Ne4 Qf4=) 23...b6 (23...Ne5 24.Ne4+=) 24.Bf3= Ne5 25.Bb2 (25.Be4!?=) 25...Nf3–/+ 26.Nf3 Qb7 (26...Bg4 27.Kg2–/+) 27.Ne1 (27.Ne1 Bd6 28.Bc1–/+; 27.Ne5 Bd6 28.f4 Qc7+=). Hasler,Ulrich – Ullmann,Gregory, 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 (7...Bb4 8.a3 Bd6 9.Qf3+=) 8.Nd5 Qd5 9.Bc3 (9.a3 a5 10.b5 Be6+=) 9...a6 (9...Be6 10.Nf3 e4 11.Nd4+=) 10.Qf3 Be6 (10...Qe6 11.a3+=) 11.e4 (11.Qd5 Bd5 12.Be5 Nc6 13.Bc7 Nb4+=) 11...Qd6 (11...Qd7 12.Qg3 Nc6 13.a3–/+) 12.Qd3 White intends b5 (12.Qg3 Nc6+=) 12...Qb6 (12...Nc6 13.Qd6 cd6 14.a3+=) 13.Nf3 Nc6 Can b4 get defended? (13...Bb4 14.Rb1 (worse is 14.Ne5 Bc3 15.Qc3 Rd8+=; 14.Be5 Nc6 15.Bf4 Bc5–/+) 14...a5 15.a3+–) 14.b5 Rfd8 15.Qb1 ab5 16.Qb5 Qb5 17.Bb5 Nd4 18.Bd4 ed4 19.a4 (better is 19.Ke2!? Ba2 20.Bd3–/+) 19...d3–+ 20.a5 c6 21.Ba4 (21.Bc6 bc6 22.0–0–+) 21...Ra5 22.0–0 Rda8 23.Rab1 Ra4 24.Rb7 Bf8 25.Re1 c5 26.Ne5 (26.Kh1 Rb4 27.Rc7 Ra2–+) 26...c4 (26...Ra2 27.Rd1 c4 28.Nf3–+) 27.f4 (27.Nf3 f5 28.e5 Bd5–+) 27...Bd6 28.Rb6 (28.Kf1–+) 28...c3 (better is 28...Bc5!? 29.Kh2 Bb6 30.Nf3–+) 29.dc3?? (29.Rd6 cd2 30.Rf1–+) 29...d2–+ 30.Rd1 (30.Rbb1 de1R 31.Re1–+) 30...Ra1 (better is 30...Bc5 31.Kf1 Bb6 32.Rd2 Re4 33.g4–+) 31.Rbb1 (31.Rd6 Rd1 32.Kf2–+) 31...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 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.

7.a3 Bg4 8.h3 Bh5 9.Bd3 Qd7 (9...c5 10.Nd5 Bg6 11.Bg6 fg6 12.Nf6 gf6 13.b5=) 10.Bf5 Qe8 (10...Bg6 11.Bg6 fg6 12.Nf3=) 11.Nge2 Be2 12.Ne2 g6 13.Bd3 White prepares the advance c5 13...Qd7 14.0–0 Qe6 15.c5 (15.e4 c5 16.b5 Nc7+=) 15...dc5= 16.Bc4 Qd6 17.f4 Nd7 (17...e4 18.b5 Nb8 19.Nc3+/–) 18.Ng3 (18.fe5!? Ne5 19.Qc3+/–) 18...cb4+= 19.fe5 Qc6 (19...Ne5? 20.Ne4 ba3 21.Nd6 ab2 22.Qb2 Bd6 23.Ba6 ba6 24.d4+–) 20.Qb3 (20.ab4 Nb4 21.Qb3 h5 22.Bf7 Kh7+–) 20...ba3= 21.Bf7 Kg7 22.Ra3 Ba3 23.Qa3 Qb5? (better is 23...h5+–) 24.e6 Ne5 (24...Kh6 25.Qa1 Rg8 26.ed7 Qd7 27.Rf4 Qd8 28.Bf6 Qd5 29.Rh4 Qh5 30.Nf5 gf5 31.Rh5) 25.Qe7 1–0. pcmvr – chessnaif (2415), net–chess.com, 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.h4 Bb5+/–) 41...Nc5+= 42.Bc5 Ke6 (42...Bb5 43.Bb5 ab5 44.Kc3+=) 43.Kc3+/– Bc8 (better is 43...Bb5!?+/–) 44.Kb4+– Kd7 45.Bd4 f5 (45...Ke6 46.a4 f5 47.Kc5+–) 46.Kc5 Bb7 47.Be5 Nb5 48.a4 Na3 49.Kb6 (49.Bd4!?+/–) 49...Bc6+= 50.a5 Nc4 51.Bc4 dc4 52.Ka6 Bd5 (52...g5 53.Kb6+=) 53.Kb6 Bc6 (53...Ke6!? 54.Bd4 Kd6+/–) 54.a6+– Bd5 (54...g5 55.Kc5+–) 55.Kc5 Ba8 56.Kc4 Kc6 (56...g5 57.a7+–) 57.Bd4 Kd6 58.Bc5 Kd7 59.Kd4 (59.Bb6 g5+–) 59...Ke6 (59...Kc7 60.Ba7+–) 60.Bf8 Kf7 61.Bh6 Ke6 62.Kc5 Bd5 (62...Kd7 63.Bf4+–) 63.Bf4 Bb3 (63...h5 64.Bg5 Ba8+–) 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 White intends c5 15...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 (23...Bb6 24.Nb6 Combination) 24.Ra4 (24.Qa4?! Bb6 25.Kh1 Ne4=) 24...Bb6 25.Kh1 c5 26.b5 Bb5 27.Ra3 Bd8 28.Nd2 Qb7 29.e5 Nh5 30.Ne4 Bc7 31.e6 (31.f6 Qc6 32.Rd1 Nf6 33.ef6 Re4+=) 31...fe6+/– 32.f6 Bc6 33.Nc5 Qb4 34.Rf1 Rf8 35.Na6 (worse is 35.Ne6 Rf6 36.Bf6 Qa3 37.Nc7 Qh3 38.Kg1 Qe3 39.Rf2 Qe1 40.Kh2 Nf6 41.Qc4 Kh8+=) 35...Rf6 36.Rfa1 (36.Nb4?? Rf1; 36.Bf6 Qa3 37.Nc7 Nf6–/+) 36...Qf8 37.Bf6 (37.Nc7 Rf2 38.Qc4 Bg2 39.Kg1 Rb2=) 37...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 (9.d4 Qb6=) 9...Nh7 (9...Qb6 10.a3+=) 10.Bd3 (10.d4 Ng5 11.Ng5 Bg5=) 10...Ng5+= 11.Nh4 (11.Ng5 Bg5 12.Ne4 Na6=) 11...d5 12.c5 (12.cd5 cd5 13.a3 d4 14.ed4 ed4–/+) 12...e4 (12...b6 13.f4 ef4 14.cb6 ab6 15.ef4–+) 13.Be2 Nd7 (13...a5 14.a3 ab4 15.ab4 Ra1 16.Ba1 b6–/+) 14.0–0–0? (14.f4 d4 15.ed4 Nh3 16.Ng2 Bh4 17.Kf1 Nf4 18.Nf4+/–) 14...a5–+ 15.a3 (15.f4 ef3 (15...ab4?! 16.Na4–+) 16.Nf3 Nf3 17.Bf3 ab4–+) 15...ab4 16.ab4 Bf6 (16...b6!? 17.Na4–+) 17.f4 ef3 18.Nf3 Nf3 19.Bf3 Ne5 20.Be2 d4 (20...Nc4 21.Bc4 dc4 22.d4–/+) 21.ed4 Qd4 (21...Nd7–/+) 22.Na2? (22.Ne4 Qb4 23.Nf6 gf6=) 22...Nd3 (better is 22...Qf2 23.Nc3 b6–+) 23.Bd3= Qb2 24.Qb2 Bb2 25.Kb2 Ra2 26.Kc3 (26.Kc1 Rd8 27.Bb1 Ra4–/+) 26...Ra3–/+ 27.Kc2 Rfa8 28.Rb1 Rd8 29.Be4 Ra2 30.Kc3 Rdd2 (30...Rad2 31.Rhe1–/+) 31.Ra1 g6 32.b5 (32.Bd3 Ra1 33.Ra1 Rh2–/+) 32...cb5–/+ 33.Ra2 Ra2 34.Bb7 b4 The passed pawn on c5 quickly leads to threats 35.Kd3 (35.Kd4 f5–/+) 35...b3 (better is 35...Kf8–/+) 36.Rc1? (36.c6!?–/+) 36...f5 (36...Rh2 37.Kd4–/+) 37.Kc3 (37.Re1 b2 38.Rb1 Kf7–/+) 37...fg4 (37...Rh2!? 38.gf5 Rh3 39.Kb2 Rh2 40.Kc3 gf5 41.c6–+) 38.hg4–/+ h5 39.Be4 (39.gh5 gh5 40.c6 h4–/+) 39...Ra4 (39...hg4 40.c6–+) 40.Bg6 (40.Re1 Rc4 41.Kb2 Bf7 (41...hg4?! 42.Bd3=) 42.gh5 gh5–/+) 40...hg4 41.c6 (41.Bd3 Ra3 42.Be4 Ra5–/+) 41...Kg7 42.Bd3 Kf6 43.c7 Ra7 44.Kb2 Ra2 45.Kb1 Rd2?? (45...Ke7 46.Rc3–/+) 46.Rf1?? (better is 46.Rc6 Rd1 47.Kb2+–) 46...Ke7–+ 47.Re1 Kd7 48.Bb5 (better is 48.Re6 Kc7 49.Bc4–+) 48...Kc7–/+ 49.Re6 g3 50.Bc6? (50.Rc6 Kd8 51.Rg6–+) 50...g2?? (better is 50...b2–+). Dillimann,Hans Peter – Margraf,Achim, Augsburg op 2nd, 1995.

6.Qc2 Be6

7.Nf3 a5 8.b5=.

7.Nf3 Nbd7 8.Ng5 c6 (8...Bg4 9.f3 Bh5 10.Bd3=) 9.Bd3 d5 (9...h6 10.Ne6 fe6 11.0–0=) 10.Bh7 (10.cd5 cd5 11.Bh7 Kh8+/–) 10...Kh8 11.Bg6 (11.cd5 Bd5 12.Nd5 cd5+=) 11...Bb4 12.0–0 =. pcmvr (2225) – angelini (2315), net–chess.com, 2006.

7.Nf3 h6 8.d4= Nbd7 9.h3 (9.d5 Bg4=) 9...ed4 (9...e4 10.Ne4 Ne4 11.Qe4=) 10.ed4 d5 11.c5 Re8 12.Bd3 Nf8 (12...a5 13.b5=) 13.0–0+= c6 (13...Nh5 14.Bc1+=) 14.Bc1 b6 (14...N8d7 15.Bf4+=) 15.Bf4 (15.Ne5 Qc7+=) 15...b5 (15...a5!? 16.a3 N8d7=) 16.a4+/– a6 17.Ra3 a5 18.ab5 ab4 19.Ra8 Qa8 20.Na4 (20.Na2 Ng6 21.Bg3 cb5 22.Nb4 Ne4+/–) 20...Qb7 (better is 20...cb5!? 21.Bb5 Bd7+/–) 21.b6+/– Ra8 (21...g5 22.Bd2+–) 22.Qb3 (22.Rb1 b3 23.Qb3 N8d7+–) 22...Ne4+/– 23.Qb4 Ng6 (23...Bf5 24.Nb2+/–) 24.Bh2 Bf5 25.Nc3 Ng3 26.Bf5 (26.fg3?! Bd3 27.Re1 Bf6+/–) 26...Nf5 27.Re1 Bf6 (27...Nfh4 28.Nh4 Bh4 29.Nd5+–) 28.Rc1 (28.Nd5 cd5 29.c6 Qc6+–) 28...Nfe7 (28...Nfh4 29.Nh4 Nh4 30.Rb1+–) 29.Qb2 Nf8 (29...Nh4 30.Nh4 Bh4 31.Ra1 Ra1 32.Qa1+–) 30.Ra1 White gets in control 30...Ra1 31.Qa1 Nc8 32.Qa4 Ne6 33.Na2 Nb6 34.cb6 Qb6 Do you see the mate threat? 35.Be5 Be5 36.de5 Nc5 (36...Qb1 37.Kh2 Qb2 38.Nb4+–) 37.Qd4 (37.Qb4 Nd7+–) 37...Qb1 38.Kh2 Ne4 (38...Nd3 39.Kg3+–) 39.Nc3 Qc1? (better is 39...Nc3 40.Qc3 Qb6+–) 40.Ne4 Qf4 (40...de4 41.Qe4 Qc5+–) 41.Ng3 h5 (41...Qd4 42.Nd4 c5+–) 42.Qf4 1–0. Verstraeten,Roland – Viera,I, WchTJ U26 prel, 1965.

6.Be2 c6

7.Qb3 Be6 8.Nf3 Nbd7 9.d4 ed4 (9...e4 10.Ng5=) 10.Nd4 d5 11.c5 Re8 12.h3 (12.0–0 Qc7=) 12...Nf8 (12...Qc7 13.0–0=) 13.0–0 Qd7 14.f4 (14.Rfd1+=) 14...Bh3 (better is 14...Bf5!?=) 15.gh3+/– Qh3 16.Rf3 Qg4 17.Kf2 Qh4 18.Kg2 Qg4 (18...Ne6 19.Ne6 Qg4 20.Rg3 Qe6 21.e4+/–) 19.Rg3+– Qd7 20.Qc2 Ne4?? (better is 20...Ne6+/–) 21.Ne4+– de4 22.Nc6! (22.Qe4?! Bf6 23.Qc2 Ng6+–) 22...Ng6 (22...bc6 23.Rg7 Double attack; 22...Qc6 23.Rg7 Deflection) 23.Ne7 Re7 (23...Qe7 24.Qc3 Qf8 25.f5+–) 24.Rh1 (24.Qc3 f6 25.Qb3 Rf7+–) 24...Rd8 (24...Qc6 25.Qc3 f5 26.Qb3 Kf8 27.Rh7+–) 25.Qc3 f6 26.Bc4 Kh8 (26...Rf7+–) 27.Rg6 Qd2 (27...Qf5 28.Rg3 Red7 29.Bc1+–) 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 (34.b6 a6 35.a5–/+) 34...Ne6–/+ 35.Rf1 Nd4 36.Qd1 Rf8 37.Ra2? (37.a6 b6–/+) 37...Nf3 (better is 37...Nb5 38.Rb2 Nd4–+) 38.Bf3+= Rf3 39.Qf3 Qf3 40.Rf3 Rf3 41.Rf2 Rf4 (41...Rd3!? 42.Rf7 Rh3 43.Rb7 Re3–/+) 42.Kg2 Kg8 43.Kg3 g5 44.Kg2 Kf7 45.Rb2 Ke7 46.a6 b6 47.Rb1 Kd7 48.Rd1 d5 (48...g6 49.Rd2+=) 49.Rd2 (better is 49.cd5!? c4 50.dc4 Re4 51.c5 bc5 52.b6+=) 49...dc4+= 50.dc4 Ke7 51.Re2 h5 (51...g6 52.Re1–/+) 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?? (better is 86.Rc2=) 86...Rg1 87.Rc2 Re1 88.Kg3 Re3 89.Kf2 Re4 90.Kf3 Rf4 91.Kg3 e4 92.Rc3 (92.Rd2 Rf3 93.Kg2 Rc3–+) 92...Ke6 93.Re3 (93.Rc1–+) 93...Ke5 94.Re1 Rf3 95.Kg2 Rc3 (95...Kd4!? 96.Rd1 Kc4 97.Rd7–+) 96.Rf1 Rc2 (worse is 96...Rc4 97.Rf5 Ke6 98.Rg5–+) 97.Kg1 (97.Kg3 Kd4–+ (worse is 97...Rc4 98.Rf5 Ke6 99.Rg5–+)) 97...Rc4 (better is 97...e3 98.Rf8 Kd4 99.Rd8 Kc4 100.Kf1 Kb5 101.Rd5 Ka6 102.Rg5–+) 98.Rf7 Rb4 99.Ra7 Rb5 (99...Kf4!? 100.Rf7 Kg3 101.Rf8–+) 100.Ra8 Ra5 101.a7 Kf4 102.Rf8 Kg3 (102...Kg4!? 103.a8Q Ra8 104.Ra8 Kf3=) 103.a8Q= Ra8 104.Ra8 Kf3 (104...Kg4 105.Kf2 Kf4 106.Rb8+/–) 105.Kf1 Ke3 (better is 105...Kg4!? 106.Rb8 Kf3+/–) 106.Rb8+– c4 107.Ke1 c3 (107...Kf3 108.Rb6 Kg4 109.Rg6+–) 108.Rb6 Kf3 (108...c2 109.Rb3 Kf4 110.Rc3+–) 109.Rc6 Kg4 110.Ke2 Kf4 111.Rc3 g4 112.Kf2 g6 113.Ra3 Ke5 (113...g5 114.Ra7 e3 115.Ke2 g3 116.Ra4 Kf5 117.Ke3 g4+–) 114.Kg3 Kd4 115.Kg4 g5 (115...e3 116.Kf3+–) 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.Qc2 (8.0–0 A) 8...d5 9.cd5 (9.Nd5 Nd5 10.cd5 Bd5 11.Ne5 Bb4 12.Bf3 Ne5 13.Be5 c5 14.d4+=; 9.c5 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Bg4 13.d3 c6 14.Qa7=) 9...Nd5 A1) 10.a3 Nc3 11.Bc3 Bd6 12.Qc2 f5 A11) 13.d3 Qe7 (13...Qf6= 14.Rad1=) 14.Rfd1=; A12) 13.d4 e4 14.Ne5=; A2) 10.Nd5 Bd5 11.Ne5 Bb4 12.Bf3 Ne5 13.Be5 c5 14.d4+=; B) 8...a5 9.b5 Nb6 10.d3 a4 (10...Nfd7 11.Nd2 f5 12.a4 Ra7 13.d4 c6 14.Rb1=) 11.a3 B1) 11...Nfd7 12.Nd2 f5 13.Qc2 Bf6 (13...c6=14.bc6=) 14.f4=; B2) 11...Re8 12.Ng5 Bc8 13.f4 ef4 14.Rf4+=) 8...a6 (8...a5 9.b5 Nb6 10.Ng5 a4 11.Nce4 Ne4 12.Ne6 fe6 13.Qe4 Qc8=; 8...Nb6 9.Ng5 a5 10.b5 a4 11.Nce4 Ne4 12.Ne6 fe6 13.Qe4 Qc8+=) 9.Ng5 (9.d4 a5 10.b5 ed4 11.Nd4 Ne5 12.Ne4 Bc8 13.Rd1 Ne4=) 9...h6 (9...a5 10.b5 c6 11.0–0 cb5 12.cb5 Rc8 13.f4 Bc4+=; 9...c6 10.0–0 a5 11.b5 cb5 12.cb5 d5 13.f4 ef4+=) 10.Ne6 fe6 11.0–0 c6 (11...d5 12.a3 c5 13.bc5 d4+=) 12.a3 Rb8 (12...d5 13.c5 a5+=) 13.d4 (13.f4 ef4+=) 13...ed4 (13...b5+=) 14.ed4 b5 15.Rfe1 c5 (15...Rf7!?+/–) 16.dc5+– dc5 17.cb5 cb4 18.ab4 ab5 19.Qb3 (19.Nb5?! Bb4 20.Red1 Bc5+=) 19...Kh8 20.Rad1 Qb6 21.Bf3 (21.Nb5 e5 22.Rf1 Qc6+/–) 21...e5 22.Re3 Nh7?? (better is 22...Rfd8+/–) 23.Rd7+– Bf6 24.Ne4 (better is 24.Nd5 Qa6+–) 24...Ng5 (24...Rbd8 25.Red3+–) 25.Ng5 Bg5 26.Be5 Rg8 27.Rg7! Rg7 (27...Rg7 28.Qf7) 28.Qf7 Rbg8 (28...Qg6 29.Qg6 Rbg8 30.Bg7 Rg7 31.Re8 Rg8 32.Qg8) 29.Bg7 Rg7 30.Re8 1–0. AGove – savage13, ChessWorld.net, 2007.

7.Nf3 h6 8.0–0 a5 9.b5 c5 (9...Bf5 10.d3 Nbd7 11.e4 Bg6 12.Nd2 c6 13.Rb1 Qb6 14.Na4 Qd8 15.f4 cb5+=; 9...Nbd7 10.d4 Bf5 11.a3 Re8 12.Rc1 c5 13.Bd3 e4 14.Bc2 Rc8 15.d5 Bf8+=) 10.d4 cd4 11.ed4 Nbd7 12.d5 Bf5 13.Bd3 Bd3 14.Qd3 Rc8 15.Rae1 Nc5=.

7.Nf3 h6 8.0–0 Nbd7 9.a4 (9.d4 e4 10.Nd2 d5 11.cd5 Nd5 12.Nde4 Bb4 13.Nd5 Bd5 14.a3 Ba5 15.Qc2 Re8=) 9...c5 (9...d5 10.cd5 Nd5 11.b5 Nc3 12.Bc3 Bd6 13.Qc2 f5 14.d3 a6 15.Qb2 Qf6=) 10.b5 (10.bc5!? dc5 11.d4 ed4 12.ed4 cd4 13.Nd4= Rc8 14.Ne6 fe6 15.a5 Nc5=) 10...e4+= 11.Ne1 d5 (better is 11...Nb6!?+= 12.Qb3 d5 13.cd5 Nbd5 14.Nd5 Qd5 15.Qc2 Rfd8+=) 12.cd5+= Bd5 13.Nd5 (13.d3 ed3 14.Nd3 Bc4 15.Rc1 a6+=) 13...Nd5 14.f3 (14.Qb3 N5f6+= (14...Nb4 15.d3 ed3+=) 15.f3 ef3+=) 14...N7f6 (14...Bf6 15.Bf6 N7f6 16.Rc1=) 15.Rc1 (15.fe4 Ne4+=) 15...Rc8 16.fe4 Ne4 17.Bf3 Ng5 18.Bg4 Rc7 19.Nf3 Bf6 20.Ba3 b6 21.Ng5 Bg5 22.Qf3 (22.Kh1 Qd6=) 22...Nf6 23.Rf2 Ng4 24.Qg4 Qd7 (24...Rd7 25.Qe2=) 25.Qc4 Bf6 26.Rcf1 Rd8 (26...Be5 27.h3=) 27.Bc1 (27.Rf6!? gf6 28.Qh4 Qd2 29.Qg3 Kh7 30.Qc7=) 27...Qd5 28.Qg4 Qg5 (28...Be5 29.Qh4+=) 29.Qe2 (29.Qc4 Rcd7=) 29...Rd6 (29...Qg6 30.Rf5+=) 30.Rf5= Qg6 31.Qf3 (31.Qc4 Rcd7=) 31...Bg5 (31...Rdd7 32.Rd5+=) 32.Qg3 Rcd7 33.h4 (33.a5 c4=) 33...Bf6 34.Qh3 (34.Qg6 fg6 35.R5f4=) 34...Rd5 (better is 34...Bd8!?+=) 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.

7.Nf3 h6 8.0–0 Re8 A) 9.d4 e4 10.Nd2 d5 11.cd5 Nd5 12.a3 f5 13.Bc4 c6 14.Qh5 Nd7 15.Nd5 cd5=; B) 9.Qb3 Nc6 (9...c6 10.a3 Nbd7 11.d4 e4 12.Nd2 d5 13.Rac1 dc4 14.Bc4 Bd6 15.Be6 Re6=) 10.b5 Na5 11.Qa4 c5 12.d3 a6 13.Qc2 ab5 14.Nb5 Nc6 15.Bc3 Na7=; C) 9.Qc2 Nc6 10.b5 Na5 11.d3 a6 12.a4 Ra7 13.e4 c6 14.Bc1 Qc7 15.Qb2 Qb6=.

6.Be2 Re8

7.Qc2 c5 8.bc5 dc5 9.Nf3+=.

7.Qc2 Nc6 8.a3 a6 9.Nf3 h6 (9...Qd7 10.Nd5=) 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 (17...c5 18.b5+=) 18.Nd5 Nd5 19.cd5 Bf5 20.e4 Bh7 21.Rd3 (21.Bc4 Re8+=) 21...Re8 22.Bd4 Bg5 (22...f5 23.Rc3+=) 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 c5 8.b5=.

7.d3 Nbd7 8.Nf3= h6 (8...d5 9.cd5 Bb4 10.Qb3=) 9.Nd5 (9.0–0 a5 10.b5 Nb6=) 9...Nd5 10.cd5 Nf6 11.Qb3 (11.0–0 a5= (worse is 11...Nd5 12.e4+/–)) 11...c6+= 12.e4 Bg4 13.a4 (13.dc6 bc6 14.Qc3 Qb6+=) 13...cd5 14.ed5 Nh5 (14...a5 15.b5+=) 15.g3 (15.Ng1 Be2 16.Ne2 Bg5+=) 15...Nf6–/+ 16.0–0 Bh3 (16...a5 17.Rfc1–/+) 17.Rfc1 Qd7 18.Nd2 Ng4 (18...Rac8 19.d4+=) 19.Nf1 (19.d4!?=) 19...Bg5+= 20.Rc4 Rfc8 21.Bc1 Rc4 (21...Qf5 22.Bg4 Bg4 23.Bg5 Qg5 24.Ne3+=) 22.dc4= Qf5 (22...Bc1 23.Rc1 a5 24.b5=) 23.Qf3 (23.f3 Nf6 24.Bg5 Qg5 25.Qe3=) 23...Qc2 (23...Qf3 24.Bf3 Bf1 25.Bg5 Bc4 26.Rc1 hg5 27.Rc4+=) 24.Bg5 (24.Bd3 e4 25.Qf7 Kf7 26.Bc2 Bf6+/–) 24...hg5 (24...e4 25.Bd3 ed3 26.Bf4–/+) 25.Qd3 (25.Bd3 Qb2 26.Rb1 Qd4=) 25...Qb2 (25...Qd3 26.Bd3 Nf6 27.a5=) 26.Rb1 Qa2 27.a5 Nf6 28.Qb3?? (better is 28.Nd2=) 28...Qe2–+ (28...Qe2 29.Ne3 Ne4–+) 0–1. Michael – Strompen, Duisburg, 1977.

7.Nf3 Nc6 8.b5 Nb8=.

7.Nf3 e4 8.Nd4 Bg6 9.0–0=.

7.Nf3 h6 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 (8...a5 9.b5+=) 9.h3 Bh5 10.d4 (10.0–0 Qb6 11.b5 e4=) 10...e4+= 11.Nd2 Be2 12.Qe2 d5 13.c5 Ne8 (13...b6 14.0–0+=) 14.b5 f5 15.a5 Nef6 16.a6 Bc5?? (better is 16...Qc7=) 17.ab7+– (17.dc5?! Nc5 18.0–0 ba6 19.bc6 Rc8+–) 17...Qb6?? (17...Rb8 18.bc6 Qb6+–) 18.ba8Q Ra8 19.0–0 (better is 19.Na4!? Qb5 20.dc5 Rb8+–) 19...Bd6 20.Ra6 Qb8 21.Rc6 a5 22.Ra1 Bb4 23.Nb3 Nb6 24.Na4 (24.Nc5!? Bc3 25.Bc3 a4+–) 24...Nc4 25.Rc4 dc4 26.Qc4 Kh8 27.Rc1 (27.Bc3 f4 28.ef4 Qf4 29.Bb4 ab4 30.Qb4 Nd5+–) 27...Qd8 (27...f4 28.ef4 Qf4 29.d5+–) 28.Qc7 (28.Qe6 Qd5 29.Nbc5 Bd2+–) 28...Qc7 29.Rc7 Nd5 30.Rd7 Ne7 (30...Nf6 31.Rb7 Nd5 32.b6+–) 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 (7.d4 0–0=+) 7...0–0 8.0–0–0 ( 8.Nf3!?=+) 8...a5 9.Ba3 (9.b5 cb5 10.cb5 Nc5–+) 9...ab4 10.Bb4 Nc5 (10...Qb6 11.Qb2–+) 11.Bc5 dc5 12.f3 (12.d3!? b6–+) 12...Qd3?? ( 12...Re8–+) 13.Bd3+– (13…Rd8 14.Qb1+–) 1–0. Petersen – Ciro Sanchez, corr 3GMM–07, 1996.

6.Bd3 0–0 7.Nge2 Re8 (7...Na6 8.Qa4+=) 8.0–0= d5 9.c5 (9.a3 dc4 10.Bc4 b5+=) 9...e4 10.Bc2 Bg4 (10...b6 11.d4+=) 11.h3= Bh5 (11...Be2 12.Qe2 b6 13.d4=) 12.g4 (12.d3 b6 13.de4 Ne4 14.Be4 de4 15.Qd8 Rd8+=) 12...Bg6+= 13.Nf4 Nbd7?? (13...b6 14.g5 Nfd7 15.Ng6 fg6 16.Bb3 bc5 17.Nd5+=) 14.Nce2?? (better is 14.g5+/–) 14...Nf8 (14...b6 15.g5 Nh5 16.Ng6 fg6 17.Nd4 bc5 18.Nc6=) 15.Ng3 (15.d3 b6 16.g5 ed3 17.Bd3 Ne4=) 15...b6 16.h4? (16.g5 N6d7 17.f3 bc5 18.Ng6 Ng6 19.fe4 cb4 20.ed5 cd5=) 16...h6 (16...bc5 17.h5 cb4 18.hg6 Ng6 19.Ng6 fg6=) 17.h5 (17.g5 hg5 18.hg5 N6d7+=) 17...Bh7–/+ 18.Bd4 (18.Ba4 Qd7–/+ (18...bc5?! 19.Bc6 cb4 20.a3=)) 18...bc5 (18...N8d7 19.Ba4 b5 20.Bb3–/+) 19.bc5 (19.Bc5 Bc5 20.bc5 Qe7–/+) 19...N8d7 20.Ba4 Qc8 (20...Qc7 21.Rc1–/+) 21.Rc1 Nf8 (21...Rb8 22.f3–/+) 22.Kg2 (22.f3 Ne6 23.Ne6 Qe6 (worse is 23...fe6 24.fe4 Qc7 25.e5+=) 24.fe4 de4+=) 22...Ng4 (22...Ne6 23.Ne6 Qe6 24.Nf5 Bf5 25.gf5+=) 23.Bc6 (23.Nd5 Bf6 24.Bf6 Nf6 25.Nf6 gf6 26.f3+/–) 23...Nf2?? (23...Ne3 24.de3 Qc6 25.Qg4–/+) 24.Rf2?? (better is 24.Qa4 Nd3 25.Nd3 ed3 26.Be8 Qe8 27.Qe8 Re8 28.c6+–) 24...Qc6–/+ 25.Qb3 (25.Qg4 Bg5–/+) 25...Red8 (25...Rad8 26.Qc3 f6 27.Qa5–/+) 26.Nge2 (26.Qc3 Rac8–/+) 26...Bf5 (26...Rab8 27.Qc3 Bh4 28.Rff1–/+) 27.Kh2 (27.Nc3 A) 27...Bc5 28.Ncd5 Rd5 29.Nd5+– (29.Qd5?! Qd5 30.Nd5 Bd4+/–); B) 27...Bh4 28.Ncd5 Rab8–/+) 27...Nh7 (27...Rab8 28.Qc3 Bh4 29.Rg2–/+) 28.Ng3 Ng5?? (better is 28...Bg4–/+) 29.Nf5+– Nf3?? (29...Bf8+–) 30.Rf3! Bf8 (30...ef3 31.Ne7 Theme: Double Attack) 31.Rg3 f6 (31...Kh7 32.Bg7 Qd7 33.Bf8 Qf5 34.Qb2+–) 32.Nh6 (better is 32.Rg7 Bg7 33.Ne7 Kh7 34.Nc6+–) 32...Kh7 33.Nf7 Rd7 34.Ng5 (better is 34.a4!? Rf7 35.Qd5 Qe8+–) 34...fg5 35.Rg5 Rad8 (35...Bd6 36.Kg2 Bf4 37.ef4+–) 36.Rg6 Qc7 (36...Rd6 37.d3 Rg6 38.hg6 Kg8 39.de4+–) 37.Kh1 (37.Kg1 Rd6+–) 37...Qc8 38.Ne6 Rf7 (38...Re8 39.c6 a6 40.Bc5+–) 39.Ng5 Kg8 40.Nf7 Kf7 41.Rf1 Kg8 (41...Ke8 42.Qa4 Rd7 43.Rc6+–) 42.Kh2 (42.Kg2 Rd7+–) 42...Qc7 43.Kg2 Qe7 (43...Rd7 44.c6 Rd8 45.Qb7+–) 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 (11...Bd6 12.Ne4 Ne4 13.Qe4+=) 12.Ng3+= Will e4 fall? 12...Nc7 13.Nce4 Ne4 14.Ne4 Bf5 15.Bd3 Bg6 16.h4 h5 17.g4 hg4 (17...Ne6 18.Be5+/–) 18.0–0–0 (18.h5!? Be4 19.Be4+/–) 18...Be4+= 19.Be4 Bf6 20.h5 (20.Rdg1 Bb2 21.Kb2 Qd7+=) 20...Bb2 21.Kb2 Qf6 22.Ka2 Rad8 23.Rhg1 Qf2 24.Rg2 Qh4 25.Rdg1 Qh5 26.Rg4 Ne6 27.Qc3 (27.Bb7 Rd6+=) 27...Kf8= 28.d3 (28.Bb7 Ke7=) 28...Rd7+= 29.R4g2 Red8 30.Rf2 Qh3 31.Qd2 Ke8 (31...Ke7 32.Qe2 Qh4 33.Rh1+=) 32.Qe2 Qh4 33.Rgf1 (33.Rh2 Qf6=) 33...Re7 (33...a6 34.Bd5+=) 34.Rh1 (34.Rh2 Qg3=) 34...Qg3+= 35.Qb2 Red7 36.Rf3 Qc7 37.Qc3 (37.Bd5 Rd5 38.cd5 Rd5 39.Rh8 Ke7=) 37...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 Kc7–/+) 50...Ne5 (50...Qd3?! 51.Rd1 Qe2 52.Ka1+=) 51.R4h2 (51.Qc2 Kc7 52.Qa4 Qf2 (52...Nd3? 53.Qa7 Kd6 54.e5 Qe5 55.Qb6 Kd7 56.Re4 Qb2 57.Qb2 Nb2 58.Re7 Ke7 59.Kb2+–; 52...Qd3?! 53.Qa7 Kd6 54.Qb6 Nc6 55.R4h3 Qd2 56.Qb2 Qb2 57.Kb2=) 53.Kb1 Kd6–/+) 51...Rf8 (51...Rb8 52.Rh3–/+) 52.Rg2 Rb8 (52...Qd3 53.Rd1 Qf3 54.Bg8 Kc7 55.Qa7 Kc8 56.Qe7 Qg2 57.Ka1 Rg8 58.Qe6 Kb7 59.Qg8+=) 53.Rb2 (53.Rh7 Qd3 54.Rgg7 b5–+) 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 (57.Rhh1 Nf3–+) 57...Rcd7 58.Rg2 Qf3 (58...Qh3 59.Rh2 Qf3 60.Rf2–+) 59.Rf2 (59.Rdg1 g5 60.Rf2 Qe3–/+) 59...Qg4 60.Rg2 ½–½. Boehnke,Hartmut (2160) – Jaeger,Frans M (2190), corr ICCF WS/M, 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 (13...a5 14.ba5 Ra5 15.0–0=) 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 (21...Qe6 22.Qd3=) 22.ef4+= Qd8 23.Rad1 Re1 24.Qe1 Re7 25.Qd2 Qe8 26.Bc1 Nf8 27.Kf2 Qh5 28.h3 Rd7 29.Qe2 Qe2 (29...Qh4 30.Kg1 Rd1 31.Qd1+=) 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 (41...b5 42.cb5 cb5 43.Ke4+=) 42.Bd6 (better is 42.b5!? ba5 43.ba6+– (43.bc6?! Nb6+/–)) 42...ba5+= 43.ba5 Kh6 44.Kg4 Kg7 45.Kf3 (45.Kf4 c5+=) 45...Kh6 46.Kg4 (46.c5 Kg5 47.Ke4 Kg4+=) 46...c5 (46...Kg7!?=) 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 (10...a5 11.ba5 Qa5 12.0–0=) 11.0–0 g6 (11...b6 12.Re1=) 12.Qc2 Na6 13.a3 Nc7 14.a4 White plans b5 14...Bg7 15.b5 Ne6 16.Na2 Qc7 17.Nb4 Ng4 18.g3 Ng5 19.Kg2 Nh3 (19...Nh6 20.Ng1+=) 20.Bc1= Nhf2 21.Rf2 Nf2 22.Kf2 Re2! 23.Ke2 (23.Qe2 Bd4 Double attack; 23.Be2 Bd4 Double attack; 23.Ke2 Bd4 Combination) 23...Bd4 24.Ra3? (better is 24.Ra2 Qe7 25.Kd1 Bc5 26.Nc6 bc6 27.Qe2 cb5 28.Qe7 Be7 29.ab5 Bg4 30.Be2 Be2 31.Re2–+) 24...Qe5–+ 25.Kd2 Qe3 26.Kd1 Qg1 27.Kd2 Qf2 28.Kd1 (28.Be2 Bg4 29.Qd3–+) 28...Bg4 29.Be2 Qf1 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 (11...c5!? 12.bc5 dc5+= (worse is 12...Nc5 13.Nd5 Ne8 14.Nf5+/–)) 12.c5+/– dc5?? (better is 12...Nfd7 13.cd6 Bf6+/–) 13.Qe5+– Qe8 14.Nf5 (14.bc5?! Nd7 15.Rd7 Qd7+–) 14...cb4 (14...Bd8 15.Qg3 g6 16.bc5 Qe6+–) 15.Ne4 b3 (15...Nh5 16.Ne7 Kh8+–) 16.Nf6 Bf6 17.Nh6! Kh8 (17...gh6 A deflection 18.Qf6) 18.Qf6!! Rg8 (18...gf6 19.Bf6 A beautiful mate combination) 19.Nf7+– Qf7 20.Qf7 Raf8 (20...b5 21.Rd7 h6 22.Bg7 Rg7 23.Qg7) 21.Bg7! Rg7 Deflection from f8 22.Qf8 A beautiful mate combination 22...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 (7...d5 8.a3+=) 8.Nf3= Re8 9.b5 Qe6 (9...cb5 10.cb5 Qf5 11.Qf5 Bf5 12.Rc1=) 10.a4 (10.d4 a6=) 10...cb5 (10...Qf5 11.Qf5 Bf5 12.0–0=) 11.ab5+= Nbd7?? (11...Qf5 12.Qf5 Bf5 13.d4+=) 12.d4 (better is 12.Ng5 Nc5 13.Ne6 Be6 14.d4 ed4 15.ed4+–) 12...Nb6 13.d5 (13.0–0 Bd8+= (13...Nc4? 14.Ng5 Qf5 15.Qf5 Bf5 16.Bc4+–)) 13...Qf5= 14.Bd3 Qg4 15.Be2 (15.0–0 Qh5+= (15...Nc4? 16.Ra4+–)) 15...Qf5 (better is 15...Bf5!? 16.Qb3 e4–/+) 16.e4 Qd7 (16...Qg6 17.0–0=) 17.h3 Qc7 18.Nd1 (18.0–0 Nh5= (worse is 18...Nc4 19.Nd1+–)) 18...Bd7 19.Ne3 Rec8 20.Qd3 Qd8 (20...a6 21.ba6 Na4 22.Ba3 Ra6 23.0–0=) 21.g4 (21.0–0 Nh5=) 21...h6 (21...a6 22.ba6 ba6 23.Ba3+=) 22.Rg1 Nh7 23.h4 (23.Nd2 Bg5=) 23...Bh4+= 24.Nh4 Qh4 25.Qa3 (25.Rf1 a6+=) 25...Nf6 (25...Ng5 26.Qd3–/+) 26.Qd3 (26.Bd3!? Ne8 27.g5+=) 26...Qh2–/+ 27.Rg2 Qf4 28.f3 Qg5 29.Kf2 (29.Rh2!?+=) 29...Qh4 30.Kg1 Ne8 (30...a6 31.Ba3 ab5 32.cb5–/+) 31.Qd2 (31.Rh2 Qg3 32.Rg2 Qf4–/+) 31...Qg5 (31...a6 32.Rh2 Qg3 33.Kh1–/+) 32.Kf2 (better is 32.Bc1–/+) 32...Nc4?? (better is 32...a6–/+) 33.Bc4+– (33.Nc4?! Qh4 34.Kg1 Bb5+=) 33...Rc4 (33...Qf6!? 34.Qd3+–) 34.Nc4 Qd2 35.Nd2 Bb5 36.g5 hg5 37.Rg5 a6 38.Rh1 f6 39.Rgh5 Rc8 40.Rh8 Kf7 41.Rc1 Bd7? (41...Rc1 42.Bc1 b6 43.Ke1+–) 42.Rc8 (better is 42.Nc4!? b5 43.Re8 Rc4+–) 42...Bc8 43.Ba3 Ke7 (43...b5 44.Bb4+–) 44.Nc4 b5 (44...Bd7+–) 45.Nd6! Nd6 46.Rc8 (46.Rc8 Kd7 47.Ra8+–) 1–0. Gross – Becker, tt Eschbach–NW, 1982.

7.Nf3 Bg4 (7...Na6 8.a3+=) 8.0–0= Nbd7 (8...Qb6 9.a3=) 9.d4 e4 10.Nd2 Be2 11.Qe2 d5 12.b5 Re8 (12...cb5 13.cd5 b4 14.Nce4 Nd5 15.Qf3=) 13.a4 a6 14.Rfb1 ab5 15.ab5 Qc7 16.h3 (16.c5 b6=) 16...h6 (16...dc4 17.bc6 Qc6 18.Qc4 Qc4 19.Nc4=) 17.Qf1 (17.c5 b6 18.cb6 Nb6 19.bc6 Qc6+=) 17...Reb8 18.Rc1 White fights for the Initiative 18...Qd8 19.Qd1 Ra1 20.Ra1 Ra8 21.Ra8 Qa8 22.Qb3 dc4 23.Qc4 cb5 (23...Nb6 24.Qb3+/–) 24.Qb5 (24.Nb5?! Qa5 25.Qc8 Kh7+=) 24...Qa6 25.Qb3 (25.Nde4 Qb5 26.Nf6 Nf6 27.Nb5 Kf8+/–) 25...Qb6 (better is 25...Qc6!?=) 26.Qc2 Bb4 27.Nce4 Bd2 (27...Qd8 28.Bc3 Qc7 29.Qb3 Bc3 30.Nc3+/–) 28.Nd2 Qc6 29.Qc6 bc6 30.Nb3 Nb8 (30...Ne4 31.f3 Nef6 32.e4+–) 31.f3 Nfd7 (31...Nd5 32.e4 Ne3 33.Nc5+–) 32.Ba3 f6 33.Kf2 Kf7 34.Ke2 Ke6 35.e4 g6 36.Ke3 f5 (36...Na6 37.g3+–) 37.Bc5 fe4 38.fe4 Na6 39.Ba3 Nb6 40.Na5 Nb8 (40...g5 41.Bf8 c5 42.dc5+–) 41.Bc5 N6d7 42.Ba7 Kd6 (42...Kf6 43.Bb8 Nb8 44.Nc4+–) 43.Bb8 Nb8 44.Nb7 Ke6 45.Nc5 Kd6 46.Kf4 Ke7 47.Ke5 h5 48.g4 Kf7 (48...hg4 49.hg4 g5+–) 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 (8...e4 9.Nd2+=) 9.b5= Qa5 10.Qc2 ed4 (10...e4 11.Nd2 d5 12.bc6 bc6 13.Nb3=) 11.Nd4 d5 12.Nb3 (12.cd5 Nd5 13.Bd3 Bb4+=) 12...Qc7= 13.cd5 cd5 14.Bd3 (14.Rc1 Bb4=) 14...Nbd7 (14...a6 15.Nd4=) 15.0–0 (15.Rd1 Kh8 16.0–0=) 15...Ng4 (better is 15...Bd6!?=) 16.Bh7+/– Kh8 17.g3 Nde5? (better is 17...Qe5 18.Bf5 Nb6+/–) 18.Nd5+– Qd6 (18...Qc2 19.Bc2 Be6 20.Nc7+–) 19.Be4 (19.Nc7!? Qh6 20.h4 Be6 21.Na8 Qh7 22.Qh7 Kh7+–) 19...Qh6 20.f4 (20.h4!? Bd6+–) 20...Nc4 21.Bd4 Bf6 22.Nf6 gf6 23.Ra2?? (better is 23.Rf3 Nh2 24.Qc4 Re4 25.Rf2+–) 23...Nce3= 24.Be3 Ne3 25.Qd3 Nf1 26.Kf1 Bh3 27.Kg1 Rad8 28.Qf3 (28.Qc2!?+=) 28...f5–/+ 29.Qc3 Kg8 30.Bb7?? (better is 30.Bg2–/+) 30...Rd1 0–1. Dumontelle,J – Deline,R, North Bay, 1983.

7.Be2 h6 8.0–0= d5 (8...e4 9.Nd4=) 9.Ne5+= Bd6 (9...Bb4 10.Qb3 Bd6 11.f4+=) 10.f4 (10.d4 Bb4 11.Qb3 Bc3 12.Bc3 Nbd7+/–) 10...Re8 (10...d4 11.ed4 Bb4 12.Nb1+=) 11.b5 (11.c5 Bc7+/–) 11...Be5 (11...dc4!? 12.Nc4 a6 13.bc6 Nc6+/–) 12.fe5+– Re5? (better is 12...Ne4+–) 13.Nd5 Rg5 (13...Rf5 14.Nf6 gf6+–) 14.Nf6 (worse is 14.Bf6 gf6 15.Nf6 Kh8+–) 14...gf6 15.Bf6 (worse is 15.Rf6 Rg6 16.Rf2 Rd6+–) 15...Rg6 (15...Qd6 16.Bg5 hg5+–) 16.Bd8 1–0. marre – qhnf, internet, 2010.

5.Nc3 Be6

6.a3 a6 7.Nf3= 0–0 (7...a5 8.d4=) 8.Bd3 (8.d4 a5=) 8...Bg4 (8...a5 9.Ng5=) 9.0–0 d5 (better is 9...a5!?=) 10.Nd5+/– Nd5 11.cd5 Qd5 12.Qc2 Bf3 13.gf3 (worse is 13.Bh7 Kh8 14.gf3 g6–/+) 13...h6 (13...c6 14.Bh7 Kh8 15.Be4+/–) 14.Be4 (14.Qc7?! Qd3 15.Qe7 Nd7=) 14...Qd6 15.Bb7 Ra7 16.Be4 Nd7 17.d4 Bf6 (better is 17...ed4!? 18.Bd4 c5 19.bc5 Nc5 20.Bh7 Kh8+/–) 18.de5+– Be5 19.Rad1 Qe7? (19...Qf6 20.Rd7 Bb2+–) 20.Rd7! Qd7 (20...Bh2 21.Kg2 Qd7 22.Qc5+–) 21.Be5 Rd8 (21...c6 22.Rc1+–) 22.Bd4 c5 23.bc5 Rc7 (23...Qc8 24.c6 Re7 25.Rb1+–) 24.c6 Qe7 25.Bb6 Rd6 (25...Rcc8 26.Bd8 Qd8 27.Rd1 Qg5 28.Kh1+–) 26.Bc7 Qc7 27.Rb1 f5 (27...Re6+–) 28.Rb7 Qc8 29.c7 fe4 30.Rb8 1–0. Janek – figjjun, internet, 2017.

6.a3 Nbd7 7.Nf3+=.

6.d4 ed4 7.ed4 d5 8.c5 c6 (8...0–0 9.Nf3+=) 9.a4 (9.Bd3 b6=) 9...0–0 10.Be2 (10.Nf3 b6 11.a5 Nbd7=) 10...Re8 (10...b6 11.a5 Nbd7 12.Nf3=) 11.Nf3 Bg4 (11...b6 12.a5 Nbd7 13.0–0=) 12.0–0= Bf3 (12...a5 13.b5=) 13.Bf3+= Qc7 (13...Na6 14.b5 Nc7 15.Re1+=) 14.b5 (14.Re1 Nbd7+=) 14...Nbd7 15.a5 a6 16.bc6 (16.b6 Qf4+=) 16...bc6 17.Qd2 (17.Bc1 Ra7+=) 17...Rab8 18.Na4 (18.Be2 Qa7+=) 18...Rb3 (18...Ne4 19.Be4 de4 20.Nb6=) 19.Nb6 Nb6? (19...Ne4 20.Qc2 Rf3 21.gf3 Ng5+/–) 20.ab6+– (worse is 20.cb6 Qb8+/–) 20...Qb7 21.Qc2 (21.Be2 a5+–) 21...Rb4 (21...Rf3 22.gf3 Ra8 23.Rfe1+–) 22.Bc3 (22.Be2 Rb5+–) 22...Rb5 23.Be2 Ne4 24.Bb5 cb5 25.Bb4 Rc8 (25...Bf6 26.Qd3+–) 26.Qa2 Bf6 (26...Ra8 27.c6! Qb6 28.Be7 Qc6 29.Rfc1+–) 27.Rfd1 (27.Qa6 Qa6 28.Ra6 Bd4+–) 27...Bh4? (27...Ra8+–) 28.g3 (28.f3 Nf2 29.Rd2 Ra8+–) 28...Bg5 (28...Bf6 29.Qa6 Qd7 30.c6 Rc6 31.Qb5+–) 29.Qa6 Qd7 30.b7 (30.c6 Rc6 31.Qa8 Rc8+–) 30...Rd8 (30...Rb8 31.Qa8 Bf4 32.gf4 Qg4 33.Kf1+–) 31.c6 (31.c6 Qf5 32.Be1+–) 1–0. jaddwarrior (1975) – The_Missionary (1945), ChessWorld.net, 2015.

6.Nf3 a5 7.b5 Nbd7=.

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.

6.Nf3 0–0

7.Be2 a5 8.b5=.

7.Be2 Nc6 8.a3 e4 9.Ng5 d5 (9...a5 10.b5 Ne5 11.Ne6 fe6 12.Qc2+=) 10.cd5 Bd5 11.Nd5 (11.Qc2!?+=) 11...Qd5+= 12.Nh3 Rfd8 13.Rc1 Bd6 (13...Qd6 14.Ng5 Ne5 15.Be5 Qe5 16.f4=) 14.Bc4 (better is 14.Bf6 gf6 15.f3+=) 14...Qh5?? (better is 14...Qf5=) 15.Qh5+– Nh5 16.Ng5 Rd7 17.Ne4 Be7 (17...Re8 18.Nd6 cd6 19.Bb5+–) 18.d4 (18.g4 Nf6 19.Nf6 Bf6 20.Bf6 gf6+–) 18...Nf6 19.Ng3 (19.Nf6 Bf6 20.Bb5 Rd6+–) 19...a6 20.0–0 b5 (20...Kf8 21.Bb3+–) 21.Bb5 ab5 22.Rc6 Nd5 23.Rfc1 Ra7 24.Ne4 (24.Nf5 Kf8+–) 24...h6 25.Nc3 Nb4?? (25...Nc3 26.R1c3 f5+–) 26.ab4 Bb4 27.Nb5 Rb7 28.Nc3 (28.Nc7?! Ba5+–; 28.Rc7?! Rdc7 29.Nc7 Ba5+–) 28...Bd6 (28...f5 29.Ra1+–) 29.Ba1 Rb6 (29...f5 30.Na4+–) 30.Rb6 cb6 31.Nb5 Bc5 (31...Be7 32.Rc6+–) 32.dc5 bc5 33.g3 (33.g3 c4 34.Na3+–) 1–0. Wessel,Volkmar – Schiller,Dirk, Schleswig Holstein–chG, 1990.

7.Be2 Nbd7 8.0–0 a6 9.Qc2 c6 10.Ng5 h6 11.Ne6 fe6 12.d4 ed4 13.ed4 c5 14.dc5 dc5 15.b5 a5 (15...Qc7!?=) 16.Rad1 Qc7 17.Qd3 Rad8 (17...Kh8 18.Ne4+=) 18.Qh3 Qe5 (18...Kf7 19.Rfe1 Rfe8 20.Bh5 Nh5 21.Qh5 Kg8 22.Qg6+–) 19.Bd3 Qh5 20.Qh5 (better is 20.Qe6!? Qf7 21.Rfe1 Qe6 22.Re6+–) 20...Nh5+= 21.g3 Ne5 22.Be2 Nf6 23.Na4 Nf7 24.f4 Rd7? (better is 24...Rd1 25.Rd1 Rd8+/–) 25.Bf6+– Rd1 26.Be7 (26.Bd1?! Bf6 (worse is 26...gf6 27.Bf3+/–) 27.Kg2 Bd4+=) 26...Rf1 27.Kf1 Re8 28.Bc5 e5 29.Bf3 ef4 30.Bb7 fg3 31.hg3 Ne5 32.Bd5 Kh8 33.b6 Nd3 (33...Nd7 34.b7 Nb8 35.Bb6+–) 34.Bd6 Nb4 35.Bb4 ab4 36.b7 (36.b7 b3 37.c5 Rf8 38.Kg2+–) 1–0. marekt – routermeister, ChessWorld.net, 2015.

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 (8...0–0 9.d4=) 9.Nh4 Bg6 (9...Be6 10.Qc2=) 10.d4 ed4 (10...0–0 11.Re1+/–) 11.ed4 0–0 12.Re1 Be4 (better is 12...Rfe8!?+/–) 13.Ne4+– Ne4 14.Nf5 Ndf6 (better is 14...Bf6+–) 15.f3 Ng5 (15...d5 16.Ne7 Qe7 17.fe4 de4 18.Qb3+–) 16.d5 cd5 17.cd5 Qb6 (17...h6 18.f4 Ngh7 19.Rc1+–) 18.Bd4 Qc7 (18...Qd8 19.Bc4 Nd5 20.Bd5+–) 19.Bb5 a6 (19...Bd8 20.Rc1 Qb8+–) 20.Re7 Qd8 (20...Qc8 21.Bd3 Nd5 22.Qd2 Nf3 23.gf3 Qf5 24.Bf5 Ne7 25.Be4+–) 21.Qd2 ab5 (21...h6 22.Bf6 ab5 23.Bg7 Qe7 24.Ne7 Kg7+–) 22.Qg5 g6 (22...Nh5 23.Bg7 h6 24.Bh6 Kh7 25.Qh5 Qb6 26.Be3 Kg8 27.Qg5 Kh7 28.Qg7) 23.Nh6 Kh8 24.Bf6 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 (30.Qd2 Bg5 31.Qd6 Be4 32.Be4 Ne2 (32...Re4?! 33.Rb1 Qa8 34.Qc5–/+) 33.Kh1 Nc1–+ (33...Bc1?! 34.Bf3–+; 33...Re4?! 34.Rb1 Qa8 35.Qc5+=)) 30...Bg5 (better is 30...Be4!? 31.Be4 Bd4 32.Nd4 Re4 33.Rb1 Qa7 34.Nc6 Rc4 35.Na7 Ne2 36.Kh1–+) 31.Rb1 (31.Rc3 Qb2 32.Rf2 Qb1 33.Rf1 Re4 34.Rb1 Rc4 35.Rc4 Bb1–/+) 31...Qd7 (31...d5 32.Rb7 dc4 33.Nb5 Be4 34.Ne7 Be7 35.Be4–+) 32.Rb3 (32.Rbd1 Qe6 33.Qe6 Re6–/+ (33...fe6?! 34.g3=)) 32...Qe6 33.Rc3? (better is 33.Qe6 Ne6 34.Rd1–/+) 33...Be4 34.Qe6 (34.Be4 Qe4 35.Qe4 Re4–+) 34...Re6 (34...fe6 35.Re1 Nd5 36.Rc4 Bf3 37.gf3 Rf3 38.Nb5–+) 35.Bg4 (35.Rd1 Bh4–+) 35...Bg2 36.Rf4 Bf4 (36...Bc6 37.Be6 Bf4 38.Bf7 Kf7 39.Nc6–+) 37.Be6?? (better is 37.Kg2 f5 38.Bf3–+) 37...Bc6 (37...fe6?! 38.Kg2 Kf7 39.a4=) 38.Nc6 (38.Bf7 Kf7 (worse is 38...Rf7 39.Nc6 Rc7 40.Nd4–+) 39.Nc6 Ke6–+) 38...fe6 39.Rd3 (39.a4 Ra8 40.Rc4 g5–+) 39...Rf7 (39...c4 40.Rc3 d5 41.Kg2–+) 40.Kg2 (40.Rc3 Kf8–+) 40...Rc7 41.Na5 (41.Kf3 Bh2 (worse is 41...Rc6 42.Kf4 Ra6 43.Ke3–+) 42.Nd8 c4–+) 41...c4 (better is 41...d5 42.Rf3 g5 43.Rf2–+) 42.Rd4 Be5 (better is 42...Bc1 43.Rc4 Rc4 44.Nc4–+) 43.Rc4 Ra7 44.Nc6 d5?? (better is 44...Ra3 45.Ne5 de5–+) 45.Rc2 (better is 45.Rb4 Ra3 46.Ne5=) 45...Bf6?? (better is 45...Rc7 46.a4 Bf4–/+) 46.Na7+– d4 (46...e5 47.Nb5 Kf7 48.a4+–) 47.Kf3 Be5 (47...d3 48.Rd2 Bc3 49.Rd3+–) 48.Nc6 Bf6 (48...d3 49.Rd2 Bd6 50.a4+–) 49.Kf4 (better is 49.Ke4 Kf8+–) 49...Kf7 1–0. Zielke,Bernd (1695) – Howe,Dietrich (1740), Kiel GER, Open–B, 2014.

6.h3 0–0 7.Nf3 a6 8.d4 Nc6 9.de5 de5 10.a3 Qc8 (10...Bd6 11.c5 Be7 12.Bc4=) 11.Nd5 Nd5 (11...Rd8 12.Ne5 (worse is 12.Be5 Nd5 13.cd5 Ne5 14.Ne5 Bf6+=) 12...Nd5 13.cd5 Ne5 14.Be5=) 12.cd5+= Na7 (12...Rd8 13.Qe2 (worse is 13.Be5 Ne5 14.Ne5 Bf6+=) 13...Nb4 14.e4 (worse is 14.ab4 Bb4 15.Nd2 Rd5–/+) 14...Rd5 15.ed5 (15.ef5?? Qf5 16.Nd4 ed4–+) 15...Nd3 16.Qd3 Bd3 17.Bd3+=) 13.Ne5+/– Bd6 (13...f6 14.Nd3+/–) 14.Nc4 Be7 15.Bd3 Nb5 16.e4 Bg6 17.e5 Bg5 (17...Bd3 18.Qd3 Qd7 19.0–0+–) 18.0–0 Qd7 19.f4 (19.Bg6 fg6 20.Na5 Rab8+–) 19...Bd3 20.Qd3 Bh6 21.Ne3 White intends f5 21...g6 22.a4 Na7 23.Ng4 Bg7 24.f5 gf5 (24...h5 25.Ne3 Kh7+–) 25.Rf5 Rad8 (25...h6 26.Nf6 Bf6 27.Rf6 Rfe8 28.Qg3 Kf8+–) 26.Nf6 Bf6 27.Rh5 Rfe8 (27...h6 28.Rh6 Rfe8 29.Qh7 Kf8 30.ef6 Re1 31.Re1 Qg4 32.hg4 Rd5 33.Qg7) 28.Qh7 Kf8 29.ef6 1–0. pcmvr – tche (2390), net–chess.com, 2016.

6.Nf3 0–0

7.a3 A) 7...a5 A1) 8.b5 e4 (8...Re8 9.Be2 Ne4 10.Ne4 Be4=) 9.Nd4 Bg6 10.Be2 c5=; A2) 8.d3 ab4 (8...d5 9.Ne5 ab4 10.ab4 Ra1+=) 9.ab4 Ra1 10.Qa1 Na6+=; A3) 8.Be2 ab4 (8...d5 9.Ne5 ab4 10.ab4 Ra1=) 9.ab4 Ra1 10.Qa1 Nc6=; B) 7...Re8 B1) 8.d3 a5 (8...c6 9.Be2 a5 10.b5 Nbd7=) 9.b5 Nbd7 10.Be2 Nc5=; B2) 8.Be2 c5 (8...a5 9.b5 Nbd7 10.0–0 Ne4=) 9.0–0 e4 10.Ne1 cb4=; C) 7...e4 C1) 8.Qc2 a5 (8...Re8 9.Ng5 c6 10.d3 ed3=) 9.b5 Nbd7 10.d4 d5=; C2) 8.Qb1 Nbd7 (8...Re8 9.d4 a5 10.Nd2 d5+=) 9.Nd4 Bg6 10.Be2 Ne5+=; C3) 8.Nd4 Bg6 9.d3 c5 10.Nc2 d5=.

7.d3 A) 7...d5 A1) 8.Ne5 d4 (8...Bb4 9.Qb3 Qd6 10.Be2 Nc6=) 9.ed4 Qd4 10.Nf3 Qf4+=; A2) 8.cd5 a5 (8...Qd6 9.Qc2 c6 10.dc6 Nc6=) 9.b5 Nd5 10.Be2 Bb4=; B) 7...c6 B1) 8.a3 a5 (8...Re8 9.Be2 a5 10.b5 Nbd7=) 9.b5 Re8 10.Be2 Nbd7=; B2) 8.Be2 Nbd7 (8...Qb6 9.a3 Nbd7 10.0–0 a5=) 9.0–0 Qc7 10.d4 Nb6=; C) 7...a5 C1) 8.a3 ab4 (8...d5 9.Ne5 ab4 10.ab4 Ra1+=) 9.ab4 Ra1 10.Qa1 Na6+=; C2) 8.b5 a4 (8...d5 9.Ne5 d4 10.ed4 Qd4+=) 9.Be2 d5 10.0–0 a3=.

7.d4 c6 A) 8.Be2 e4 (8...Re8 9.0–0 e4 10.Nd2 d5=) 9.Nd2 d5 10.a3 Nbd7=; B) 8.Rc1 Qb6 (8...e4 9.Nd2 Na6 10.a3 c5=) 9.b5 Nbd7 10.Be2 ed4=; C) 8.a3 e4 (8...Nbd7 9.Be2 e4 10.Nd2 d5=) 9.Nd2 Nbd7 10.Be2 d5=.

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 (better is 31...Rd5 32.Rd5 Qd5–+) 32.Qd4 (32.Rd8 Qc6 33.Re8 Qe8+–) 32...Na3?? (better is 32...Rc8 33.Rg3 Qc6+/–) 33.Rd7 (33.Rd8 Qc6 34.Re3 Qa4 35.Qd5 Kf8 36.Qc5 Kg8 37.Rde8 Qe8 38.Re8 Kf7 39.Re7 Kg6 40.g4 Nc4 41.Qh5#) 33...Qc6?? (better is 33...Rd7 34.Qd7 Qd7 35.Rd7 Re4=) 34.Rg3 (34.Rd8 Nb5 35.Re8 Qe8+–) 34...g6 (34...Rd7!? 35.Qc5 Rd1 36.Kf2–+) 35.Rd6 (35.Rd8 Nb5 36.Qf6 Qf6 37.Re8 Qf8 38.Rf8 Kf8+–) 35...Qe4 (better is 35...Rd6 36.Qc5 Nb5–+) 36.Qf6 (better is 36.Qe4 Re4 37.Rd8 Kf7 38.Rd6+–) 36...Qb1+/– 37.Kf2 Qc2 38.Rd2?? (better is 38.Bd2 Rd6 39.Qd6+/–) 38...Qd2 (38...Rd2 39.Bd2 Qd2 40.Kg1 Re1#) 39.Bd2+– Rf8?? (39...Rd2 40.Kf3 Nc2 41.Qa6 Kf7+–) 40.Qe6 (40.Rg6 hg6 41.Qg6 Kh8 42.Bc3 Rd4 43.Bd4 Rf6 44.Bf6#) 40...Kg7 (40...Rf7 41.Bc3 Nb5+–) 41.Bc3 1–0. Lenda,Lukasz (1855) – Kreft,Wojciech, Mistrzostwa Malopolski Gr–B POL, 2011.

7.d4 e4 A) 8.Nd2 c5 (8...d5 9.a3 c6 10.Be2 Qd6=) 9.bc5 dc5 10.d5 Nbd7=; B) 8.Qc2 d5 (8...a5 9.b5 a4 10.a3 c6=) 9.a3 Nbd7 10.Nh4 Bg4=.

7.d4 Re8 A) 8.a3 e4 (8...a5 9.b5 Nbd7 10.Be2 ed4=) 9.Nd2 d5 10.Be2 Bd6=; B) 8.de5 de5 9.Ne5 Bb4 10.Qd8 Rd8=; C) 8.Be2 e4 (8...c6 9.0–0 e4 10.Nd2 d5=) 9.Nd2 d5 10.a3 Bd6=.

7.Be2 a5 A) 8.a3 ab4 (8...d5 9.Ne5 Nbd7 10.d4 ab4=) 9.ab4 Ra1 10.Qa1 Nc6=; B) 8.b5 a4 (8...Nbd7 9.0–0 c6 10.d4 Re8+=) 9.a3 Nbd7 10.0–0 Nc5=.

7.Be2 Nc6 8.b5 Na5 (8...Nb4 9.d3 d5 10.cd5 e4=) 9.0–0 a6 10.a4 Re8=.

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 (worse is 15.Qe4 Nc5 16.Qf3 Bh4 17.bc6 bc6+=) 15...Bh4 16.Nd6 Re7 (16...Re6 17.bc6 (worse is 17.Nb7 Qc7–/+) 17...bc6 18.Ne4=) 17.Nf5 (17.Nb7!? Qc7 18.Qe4 Qb7 19.Qh4+/–) 17...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 (26...Na6 27.Qe2=) 27.Ne3 (27.Ne5!? Re5 28.Qb2=) 27...Na6+= 28.a3 Nc5 Attacking the backward pawn on d3 29.Qc3 Qd3 30.Qd3 Nd3 31.Rb6 Rc7 32.Ra6 Rb7 33.Ra5 Rb1 34.Kh2 f6 (34...f5 35.Ra7 Kh6–/+) 35.Kg3? (better is 35.Ra7!? Kh6 36.Ra6+=) 35...f5–+ 36.Kh4 Kh6 37.Nf5 (37.Ra6 g5 38.Kg3 f4 39.Kh2 Nf2 (39...fe3?! 40.Rc6 Kg7 41.fe3–+) 40.Rc6 Kh7–+) 37...gf5 38.Ra6 Nf4 (38...Nf2?! 39.Rc6 Kg7 40.Kg5–/+) 39.Rc6 Ng6 40.Kg3 Rb3 41.Kh2 Ra3 42.c5 h4 43.Rc7 (43.Re6 Kg5 44.c6 Rc3–+) 43...f4 44.f3 Rc3 45.c6?! (45.Kg1–+) 45...Kg5 46.Kg1 Rc2 47.Kh2 Rc1 48.Rc8 Ne7 49.Rc7 (49.Re8 Nf5 (worse is 49...Nc6 50.Rc8–+) 50.Re5 Kg6 (50...Rc6?! 51.Rb5–+) 51.Rf5 Kf5–+) 49...Nc6 (49...Nf5 50.Rf7 Ng3 51.Rg7 Kf6 52.Rg6 Kg6 53.c7 Rh1) 50.Rc8 Rc2 51.Rg8 Kf5 52.Rg4 (52.Rf8 Ke6 53.Kg1 Nd4–+) 52...Nd4 53.Kh1 (53.Kg1–+) 53...Ne2 (53...Rc1 54.Kh2 Ne2 55.Rg7–+) 54.Rh4 Ng3 0–1. Holz auf der Heide,Gerhard (1965) – Golyand,Josif (1655), Leipzig VfB op, 2007.

7.Be2 Nbd7 8.0–0 c6 9.a3 (9.d4 Re8=) 9...a5 (9...d5 10.d4 e4 11.Ne5=) 10.d4 (10.b5 d5=) 10...Qc7 (10...e4 11.Nd2=) 11.b5 Nb6 (11...Rac8 12.Rc1=) 12.bc6 bc6 13.de5 (13.c5 Nbd7=) 13...de5 14.Ne5 Qe5 15.Nd5 Qe6 16.Nb6 Rad8 (16...Rab8 17.Na4=) 17.Qe1 Rb8 (17...Ne4 18.Kh1= (worse is 18.Qa5 Rd2–/+)) 18.Qa5 (18.c5 Bc5 19.Nc4 a4+=) 18...c5 19.Bf6 Bf6 20.Nd5 Ba1 21.Ra1 Qd6 (21...Rfc8 22.Bf3=) 22.Bf3 (22.Qa7 Be4 23.Ne7 Kh8+=) 22...Rb3 23.e4 (23.Qc7 Qc7 24.Nc7 Rfb8=) 23...Bh3 (23...Be6 24.Re1=) 24.Ne3 (worse is 24.gh3 Rf3 25.Kg2 Rd3–/+) 24...Be6 25.Rd1 Rd3 26.Nd5 Rd1 27.Bd1 f5 (27...Bd5 28.ed5 Rb8 29.Bc2=) 28.Qd2 Qe5 (28...Kh8 29.ef5 Bd5 A) 30.Qd5? Re8 31.f4 Re1 32.Kf2 Qd5 (32...Rd1?! 33.Qe5 Rd2 34.Kg3–+) 33.cd5 Rd1–+; B) 30.cd5 Rf5 31.Bf3=) 29.ef5 Bd5 (29...Bf5 30.Qc3 Qc3 31.Nc3 Rb8+=) 30.cd5 (better is 30.Qd5 Qd5 31.cd5 Rf5 32.Bb3+=) 30...Re8–/+ (30...Qf5?! 31.d6=; 30...Rf5?! 31.d6 Rf7 32.Bb3=) 31.Kf1 Qh2 32.f3 (32.f4 Re4 33.Bf3 Qf4 (33...Rf4?! 34.Qe3 Rf5 35.Qc5=) 34.Qf4 Rf4–/+) 32...Kf8 (32...Qh1!? 33.Kf2 Qh4 34.Kf1 Qf6–/+) 33.d6+= Qh1 34.Kf2 Qh4 35.Kf1 Qd4 36.Qd4 cd4 37.d7 Ra8 38.Ke2 (38.Bb3 Ke7–/+) 38...Ke7 39.a4 (39.Kd3 Ra3 40.Kd4 Ra2–/+) 39...Kd7 40.Kd3 (40.Bb3 Kd6–/+) 40...Kc6 41.Kc4 Kb6 (41...Rd8 42.Bc2–/+) 42.Bb3 Rd8 43.Kd3 Kc5 44.g4 (44.Bc2 h5–/+) 44...Rb8 45.Bd1 (45.Bc2 Re8–+) 45...Rf8 46.Be2 h5! 47.f6 (47.gh5 Rf5 Deflection) 47...h4 48.fg7 Rg8 49.Bf1 (49.f4 h3 50.Bf3 Rg7–+) 49...Rg7 50.a5 (50.Ke2 Ra7–+) 50...Ra7 0–1. Cottarelli,Franco (2105) – Gavrijski,Dimitar (2170), corr WSTT/3/06/Semifinal, 2008.

7.Be2 e4 8.Nd4 Bg6 9.Qb3 a5 10.a3 ab4=.

7.Nh4 Be6 8.Qc2 (8.Nf3 a5 9.b5 Bg4 10.Be2 Nbd7 11.0–0 Nb6 12.c5) 8...g6 (8...c5 9.bc5 dc5 10.Nf3+= (10.Nf5 Nc6 11.Be2 Bd6 12.Nd6) 10...Nc6 11.Ng5 Nb4 12.Qb1; 8...e4 9.Ne4 Nc6 10.b5 Nb4 11.Qc3 d5 12.Nf6; 8...d5 9.cd5 (9.Nd5 Nd5 10.cd5 Qd5 11.Nf3 e4 12.Ne5) 9...Nd5 10.Nd5 Qd5 11.Nf3 e4 12.Ne5; 8...Re8 9.Nf3 (9.Nf5 Bf8 10.Bd3 Nbd7 11.0–0 Nb6 12.Ne2) 9...Nc6 10.b5 Na5 11.c5 dc5 12.Ne5; 8...a5 9.b5 Nbd7 10.Nf5 Nb6 11.Ne4 Ne4 12.Ne7) 9.Nf3= (9.a3 Nc6 10.Be2 d5 11.b5 Na5 12.cd5) 9...Nc6 (9...a5 10.b5 Nbd7 11.Be2 Nb6 12.d3) 10.a3 (10.b5 Na5 11.c5 Nc4 12.Bc4) 10...Qd7 (10...Bf5 11.d3 Re8 12.Be2) 11.h3 (11.Be2 Bf5 12.e4) 11...Rae8 (11...Rfe8 12.Be2= (12.b5 Na5 13.Qa4=); 11...a6 12.Be2) 12.Be2 Bf5 (12...h6 13.b5 Na5 14.Qa4+/–) 13.d3 (13.e4 Be6+=) 13...Bd8 14.Qa4 (14.g4 Be6+=) 14...a6 15.Qb3 e4 (15...Qc8 16.0–0+=) 16.de4 Be4 17.Ne4 Ne4 18.Bd3 (18.b5 Nb8+=) 18...Qe6 19.0–0 f5 20.Rad1 Bf6 21.Be4 (21.Bf6 Rf6 22.Rfe1 Ne5 23.Ne5 Qe5 24.c5 Kh8 25.cd6 Rd6 26.Be4 fe4 27.Rd6 Qd6+=) 21...fe4= 22.Nd4 Nd4 23.Bd4 b5 24.Bf6 Rf6 25.Rc1 (25.Qc3 Rf7 26.Rd4 h6=) 25...c6 26.Rc3 Ref8 27.Qc2 bc4 28.Rc4 d5 29.Rc5 Rd8 (29...Qd7!?=) 30.Rc1+/– Rd6 31.Qa4 Qc8 32.Ra5 Qf5 33.Rc2 Qe5 34.Rac5 Qe8 (34...a5 35.Qa5 (35.Rc6?! Rc6 36.Rc6 Qa1 37.Kh2 Qe5 38.Kg1 Qa1 39.Kh2 Qe5 40.Kg1=) 35...Rf8 36.R5c3+/– (36.Rc6?! Rc6 37.Rc6 Qa1 38.Kh2 Qe5 39.Kh1 Qa1 40.Kh2 Qe5 41.Kg1 Qa1 42.Kh2=)) 35.Qa6 d4 (better is 35...h6!?+/–) 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 (46.a4!? Kg7+–) 46...Kg7 47.Re1 g5 (47...h6 48.a4+–) 48.a4 h5 (48...Ra7 49.a5+–) 49.Qe3 (49.a5 h4+–) 49...Kg8 50.Qe8 (50.a5 g4+–) 50...Kh7 (50...Kg7 51.b5+–) 51.Qe2 (51.a5 Qf2 52.Kh1 g4+–) 51...g4 52.hg4 hg4 (52...Qd4 53.Kh2 Qb4 54.Qd3 Kg7 55.Re4 Qb8 56.Kh3+–) 53.Qe4 Kh6 (53...Kh8 54.Qe3+–) 54.Qe6 Qe6 55.Re6 Kg5 56.a5 (56.Re1 Ra7 57.a5 Kf4+–) 56...Rf4 (56...Rb7 57.Rb6 Rd7 58.Kh2+–) 57.b5 Ra4 (57...Rf5 58.Rb6 Rd5 59.a6+–) 58.a6 Ra5 (58...Kh4 59.Kf2+–) 59.Re5 (better is 59.Re8!? g3 60.Kf1 Kf5+–) 59...Kf4 60.Rc5 (60.Re8 Ra1 61.Kf2 Ra2 62.Re2 g3 63.Kf1 Ra5+–) 60...Ra1 (60...g3 61.Kf1+–) 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 (7.Nf3 d5 8.a3 dc4 9.Ne5 Ne5 10.Be5 Qd5 11.Bc7 cd3+= (worse is 11...Qg2 12.Bf3 Qh3 13.dc4+=)) 7...a6 (7...d5 8.a3+=) 8.Ngf3= Re8 (8...Rb8 9.0–0=) 9.0–0 Nf8 (9...Nb6 10.Qc2=) 10.a4 (10.a3 Ng6=) 10...Ng6 (10...a5 11.b5=) 11.Qc2 (11.a5 Rb8=) 11...Bd7 (11...Bg4 12.h3 Bd7 13.a5=) 12.d4 (12.a5 Bf8=) 12...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 Re8 7.Nc3 (7.d4 e4 8.Nfd2 Nc6=) 7...Bf8 (7...a5 8.ba5 Ra5 9.d4+=) 8.Be2 c6 (8...Nc6 9.b5 Ne7 10.0–0=) 9.0–0 Na6 10.b5 Nc7 11.d4 e4 12.Nd2 Bf5 (12...cb5 13.Nb5 Nb5 14.cb5=) 13.Qb3 (13.bc6 bc6 14.Rb1 Qd7=) 13...Qd7 14.d5 (14.bc6 bc6 15.Qa4 Rab8=) 14...cd5 (14...Be7 15.Qa4=) 15.Nd5 Ncd5 16.cd5 Qe7 (16...Be7 17.Rfc1=) 17.Rac1 Nd7 (17...Rac8 18.Bd4+=) 18.Rfd1 (18.Rc7!?+/–) 18...Nc5+= 19.Qb4 Qg5 20.Nf1 (20.Nb3 Bh3 21.g3 Nb3 22.Qb3 Rac8=) 20...h5 (20...Rac8!?=) 21.Ng3+/– Bg4 22.Bg4 Qg4 23.Qd4 (23.h3 Qg5+=) 23...h4 (23...Nd3 24.Rd3 ed3 25.Qd3+=) 24.f3 Qg6 25.Ne4 Ne4 26.fe4 Re4 27.Qd2 Be7 (27...h3 28.Rc7+=) 28.Rc7 Bd8 (28...a6 29.b6+=) 29.Rb7+/– Bb6 30.Bd4 Bd4 31.ed4 Rae8 (31...Qf5 32.Re1 Re1 33.Qe1 Qd5=) 32.Qf2 Re2= 33.Qf3 R8e3 34.Qf1 h3 (34...Ra2 35.Rc1 Ree2 36.g3–+) 35.Ra7 Re1!? Threatening mate: Qxg2 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 (9...Bg4 10.Qc2=) 10.bc6 Nc6 (10...bc6 11.cd5 cd5 12.Nc3=) 11.cd5 Nd4 12.Bd4 Qd5 13.Nc3 Qc6 14.f3 (14.Qa4 Bf5 15.Qc6 bc6 16.de4 Ne4=) 14...ef3 15.Qf3 (worse is 15.gf3 Rd8 16.Ne4 Ne4 17.de4 Bh4 18.Ke2 b6–/+) 15...Qf3 (15...Qc7 16.Be2 Bg4 17.Qf2=) 16.gf3+= Rd8 17.Bf6 (17.Rg1 Be6+=) 17...Bf6= 18.d4 Bf5 19.Ne4 Bh4 (19...Be7 20.Bd3=) 20.Kd2+= Rac8 ½–½. pcmvr (1920) – Hitman (1715), chesshere.com, 2006.

7.Ne5 Bb4 8.Nd2 Be6 (8...Re8 9.cd5 Qd5 10.Nef3=) 9.a3= Ba5 10.Be2 (10.cd5 Bd5 11.Qc2 Re8+=) 10...Nbd7 (10...dc4 11.Qc2+= (11.Nec4? Bc4 12.Bf6 Bd2 13.Qd2 Qf6–+; worse is 11.dc4 Ne4 12.Nef3 Qd7–/+)) 11.Nd7= Nd7 12.0–0 c5 (12...c6 13.cd5 Bd5 14.Bf3=) 13.cd5 (13.Bf3 Qg5+=) 13...Bd5= 14.Bf3 Bf3 15.Nf3 Re8 (15...b5 16.Qb3=) 16.Qb3 (16.Qa4 Bc7=) 16...Qb6 17.Qa4 (17.Qb6 Nb6 18.Rac1 Na4=) 17...Qb2 18.Qd7 (18.Rab1 Qc3 19.Qd7 b6=) 18...Rad8 (18...b6 19.d4=) 19.Qf5+= Qb3 20.Ng5 g6 (20...h6 21.Rab1 (21.Qc5? b6 22.Qc7 hg5–+) 21...Qd5 22.Qh7 Kf8 23.Ne4+/–) 21.Qf4 (21.Qh3 h5 22.Rab1 Qd3 (worse is 22...Qa3 23.Rb7 Qd3 24.Nf7+/–) 23.Rb7 Qd5+=) 21...Re7 (21...Rd3 22.Ne4 Rc8 23.Rab1+=) 22.Nh7 (22.Qh4 f6 23.Ne4 A) 23...Rd3? 24.Nc5 (24.Nf6?! Kh8+=) 24...Qd5 25.Nd3 Qd3 26.Qf6+–; B) 23...Qd3 24.Nf6 Kh8=) 22...Qd3 23.Qh4 Qd6 24.Ng5 Threatening mate: Qh7 24...Bc3 25.Rac1 Bf6 26.Qh7 Kf8 27.f4 (27.Rfe1 b5=) 27...Qd3+= 28.e4 White plans f5. White launches an attack 28...Qa3 29.Rce1 (29.e5 Bg7+=) 29...Bg7 (29...Bd4 30.Kh1 Ke8 31.e5=) 30.f5= gf5 31.Qf5 Increases the pressure on f7 31...Qa2 32.Kh1 b6 (32...Ke8 33.Qc5 Re5 34.Qe3=) 33.e5 Qd5 34.Qg6 Kg8 (34...Be5 35.Rd1 Rd6 36.Nh7 Ke8 37.Qg8 Kd7 38.Rd5 Rd5 39.g3+–) 35.Qh7 Kf8 36.Qh5 c4?? (better is 36...Kg8+/–) 37.e6+– f6 38.Qg6 Kg8 39.Rf6 Qd3 40.Rf5 Qf5 41.Qf5 Bf8 Plans Rg7 42.Nf7 Rc8 Black threatens to counter with Bg7 43.Qg6 Bg7 44.Ng5 Rc5 45.Qh7 Kf8 White now must not overlook the idea Bf6 46.Rf1 Rf5 47.Rf5 Bf6 (47...Rf7 48.Rf7 Ke8 49.Qg8 Bf8 50.Qf8) 48.Qh8 1–0. pcmvr (1925) – alfil19 (2130), ChessHere.com, 2006.

6.Nf3 Nbd7

7.Be2 d5 8.a3 e4 9.Nfd2=.

7.Be2 Re8 8.Nc3 b6 (8...d5 9.a3 a5 10.Nd5 Nd5 11.cd5 ab4 12.a4+=) 9.0–0 Bb7 10.Qb3 Bf8 (10...a5 11.a3=) 11.Nd2 (11.d4 a5=) 11...c6 12.Bf3 Rc8 13.Rfe1 Qc7 14.a3 Qb8 (14...Be7 15.d4=) 15.g3 (15.Nde4 Be7+=) 15...Qa8 16.e4 (16.Nde4 d5 17.Nf6 Nf6=) 16...g6 (16...a6 17.Ne2=) 17.Re2 Bh6 18.Bg2 Nf8 19.Rae1 (19.f4 ef4 20.Rf1 Ne6=) 19...Ne6 20.Nd1 Nh5 21.Ne3 Rf8 (21...a6 22.Nf3=) 22.Bh3 (22.Nf3 Bg7+=) 22...Rce8 23.Nf3 Bg7 24.Be6 (24.Qc2 a6=) 24...fe6= 25.Kg2 c5 26.Bc3?? (better is 26.b5=) 26...Be4!–+ 27.de4 Qe4 A pinning theme 28.Nf5 Qf5 29.Ng1 (29.Bd2 Nf6–+) 29...Rd8 30.f3 Rfe8 (30...a6 31.Qc2–+) 31.Qb2 (31.Qd1 cb4 32.ab4 d5–+) 31...Qf7 (31...Qd3 32.Qb3–+) 32.b5 Nf6 33.Rd1 (33.Nh3 Nd7–+) 33...Rd7 (33...Rf8 34.Nh3–+) 34.Nh3 h6 35.Qc2 Nh5 36.Ng1 (36.Rde1 Rdd8–+) 36...Qf5 37.Qb2 (37.Qd3 Nf6–+) 37...Red8 38.a4 Qf7 39.Rde1 Nf6 40.Nh3 Nh7 (40...Rf8 41.Qd2–+) 41.Qa3 White intends a5 (41.f4 Rf8–/+) 41...Nf8 (41...Qf5 42.a5–+) 42.a5 g5 43.Ra2 (43.Qb2 Ng6–+) 43...Ng6 44.Nf2 (44.ab6 ab6 45.Qa6 e4 46.Bg7 ef3 (46...Qg7?! 47.Re4 Qc3 48.Re6+=) 47.Kh1 Qg7 48.Re6 g4–+) 44...d5 (44...Rf8 45.Bb2–+) 45.ab6 (45.Ng4 d4 46.Bd2 Rf8–+) 45...ab6 46.Qb3 (46.Ng4 dc4 47.Qc1 Rd3–+) 46...e4 (46...Rf8!? 47.Ba1–+) 47.fe4–/+ Bc3 (47...d4 48.Bd2–/+) 48.Qc3 d4 49.Qc1 Ne5 Black prepares the advance d3 50.Ra3 d3 51.Qc3? (better is 51.Rd1–+) 51...Qf3 52.Kg1 Rf8 53.Rf1 Ng4 (53...Ng4 54.Qd2 Ne3 55.Qe3 Qe3–+) 0–1. Tennstedt,Andreas (2285) – Janoschka,Arnd (2235), BL2–O, 1996.

7.Be2 Ne8 8.Nbd2 g6 (8...a5 9.b5=) 9.0–0+= f5 10.e4 (10.a3 a5+=) 10...Ng7 11.a3 Nf6 12.Qc2 h6 (12...Ne6 13.c5=) 13.d4+= ed4 14.Nd4 c5 15.N4f3 cb4 16.ab4 fe4 17.Ne4 Bf5 18.Bd3 d5 (18...Kh7 19.Rfe1+/–) 19.cd5 (19.Nf6 Bf6 20.Bf6 Qf6 21.cd5 a6+/–) 19...Ne4 (19...Nd5 20.Rfd1 Ne6+= (20...Bb4?? 21.Bc4 Be6 22.Qb3+–)) 20.Be4+/– Bb4? (better is 20...a6+/–) 21.Bg7+– Kg7 22.Qb2 Kh7 23.Qb4 Qd7 (23...Be4 24.Qe4 Re8 25.Qd3+–) 24.Rfe1 (24.Ne5 Qg7 25.Bf5 Rf5+–) 24...Be4 25.Qe4 Rae8 26.Qd4 Qf5 (26...Re1 27.Re1 b6 28.Qh4+–) 27.h3 (27.d6!? a6+–) 27...g5 (27...a6 28.d6 Qd7 29.Re8 Re8 30.Rc1+–) 28.d6 1–0. Radikovic,Anamarija (1810) – Toplak,Juraj (1945), St Filip and Jakov Croatia, Team Youth, 2016.

5.d3 c6

6.a3 A) 6...0–0 A1) 7.Be2 A11) 7...a5 A111) 8.Nf3 Qb6 (8...ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Bc3 Bf5 12.Nbd2=) 9.Qa4 Bg4 10.0–0 Nbd7 11.Nbd2 d5+= 12.b5+=; A112) 8.b5 Nbd7 9.Nf3 cb5 10.cb5 Qb6 11.d4 e4 12.Nfd2= ; A12) 7...Be6 8.Nf3 a5 9.0–0 A121) 9...Na6 10.b5 cb5 11.cb5 Nc7= (11...Qb6 12.Nc3+=) 12.Nc3=; A122) 9...Qb6 10.Qd2 ab4 11.Qb4 Qc7 12.d4+=; A2) 7.Nc3 A21) 7...Nbd7 A211) 8.Nf3 A2111) 8...d5 9.cd5 cd5 A21111) 10.Be2 a5 11.b5 Re8= (11...Bd6 12.0–0=) 12.0–0=; A21112) 10.Qb3 Qb6 11.Rc1 Qe6 12.Nb5=; A2112) 8...Re8 9.Be2 Nb6 10.0–0 a5 11.d4 Be6 12.de5= ; A212) 8.Be2 Nb6 9.Nf3 Bg4 10.0–0 a5 11.Nd2 ab4 12.ab4= ; A22) 7...Re8 A221) 8.Nf3 Bg4 (8...a5 9.b5 Be6 10.Be2 Nfd7 11.0–0 d5 12.d4=) 9.Be2 A2211) 9...Qd7 10.0–0 a5 11.b5 Qe6= (11...cb5 12.cb5+=) 12.Ng5=; A2212) 9...Nbd7 10.0–0 a5 11.b5 d5 12.h3=; A222) 8.Be2 Nbd7 9.Nf3 c5 10.0–0 d5 11.bc5 e4 12.c6= ; A23) 7...a5 8.b5 (8.Nf3 ab4 9.ab4 Ra1 10.Qa1 Na6 11.b5 cb5 12.Nb5=) A231) 8...Nbd7 9.Nf3 A2311) 9...Re8 10.Be2 d5 (10...Nb6 11.0–0 Qc7 12.Rb1= ) 11.0–0 dc4= (11...Bd6 12.Rb1= ) 12.dc4=; A2312) 9...d5 10.cd5 cd5 11.Be2 Qb6 12.0–0= ; A232) 8...d5 9.cd5 cd5 10.Nf3 Qd6 11.Be2 Be6 12.Rc1= ; A3) 7.d4 A31) 7...a5 8.b5 Nbd7 9.Nd2 cb5 10.de5 de5 11.cb5 e4= (11...Re8 12.Ngf3=) 12.Rc1= ; A32) 7...e4 A321) 8.Be2 d5 9.Nc3 a5 10.b5 cb5 11.Nb5 dc4 12.Bc4+= ; A322) 8.d5 Nbd7 9.Nd2 cd5 10.cd5 Ne5 11.Rc1 a5 12.b5+= ; A323) 8.Nc3 d5 9.cd5 cd5 10.Nge2 (10.Rc1 a5 11.b5 Nbd7 12.Nge2+=) 10...Nbd7 11.Qb3 (11.Nf4 Nb6 12.Rc1+=) 11...Nb6+= 12.Rc1+= ; A324) 8.Qc2 d5 9.Nc3 Be6 10.cd5 cd5 11.Nge2 a5 12.b5+= ; A325) 8.Ne2 a5 9.d5 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Ng3+= ; A326) 8.Nd2 a5 9.b5 cb5 10.cb5 Be6 11.Ne2 d5 12.Nf4+= ; A4) 7.Nf3 a5 A41) 8.Be2 Qb6 (8...ab4 9.ab4 Ra1 10.Ba1 Qb6 11.Bc3 Na6 12.Qa4=) 9.Qa4 Bg4 10.Nbd2 Nbd7 11.0–0 d5+= 12.b5+=; A42) 8.b5 cb5 9.cb5 Bg4 10.Be2 Nbd7 11.Nbd2 Rc8 12.0–0= ; B) 6...a5 B1) 7.d4 B11) 7...0–0 8.b5 Nbd7 9.Nc3 (9.Be2 cb5 10.cb5 e4 11.Nh3 d5 12.0–0+=) 9...Nb6 10.Nf3 e4 11.Nd2 Be6= 12.Be2=; B12) 7...e4 8.Nc3 (8.d5 ab4 9.ab4 Ra1 10.Ba1 0–0 11.Nd2 Bf5+= 12.dc6+=; 8.b5 cb5 9.cb5 d5 10.Nd2 0–0 11.Rc1 Bd6 12.Ne2+=) 8...ab4 9.ab4 Ra1 10.Qa1 0–0 11.b5 Nbd7 12.Be2+=; B13) 7...Nbd7 8.b5 0–0 9.Nd2 e4 (9...cb5 10.de5 de5 11.cb5 Re8= 12.Ngf3=) 10.bc6 bc6 11.Rb1 d5 12.Be2+=; B2) 7.Nf3 ab4 (7...0–0 8.b5 Nbd7 9.Be2 cb5 10.cb5 Qb6 11.d4 e4 12.Nfd2=) 8.ab4 Ra1 9.Ba1 Na6 10.Bc3 Qb6 11.c5 Qc7 12.cd6+=; B3) 7.Nc3 ab4 8.ab4 Ra1 9.Ba1 0–0 10.Nf3 Na6 11.b5 Nc7 12.Be2= ; B4) 7.b5 0–0 8.Nf3 (8.Nc3 d5 9.cd5 cd5 10.Nf3 Qd6 11.Be2 Be6 12.0–0=; 8.d4 cb5 9.cb5 e4 10.d5 Nbd7 11.Nc3 Nc5 12.Qc2=; 8.Be2 cb5 9.cb5 Bf5 10.Nf3 Nbd7 11.0–0 Qb6 12.Nc3=) 8...cb5 9.cb5 Bg4 10.Be2 Nbd7 11.0–0 Qb6 12.Nc3=.

6.Qa4 A) 6...0–0 A1) 7.Nf3 A11) 7...a5 A111) 8.b5 cb5 9.Qb5 (9.cb5 Nbd7 10.Be2 Nb6 11.Qd1 Bd7 12.Nc3=) 9...Qc7 10.Bc3 (10.Be2 Bd7 11.Qb3 a4+= 12.Qc3+=) 10...Nc6 11.Be2 Bd7 12.Qb2=; A112) 8.Bc3 Nbd7 9.ba5 Qe8 10.Nbd2 Bd8 11.Qa3 Qe7 12.Be2= ; A12) 7...Na6 8.a3 Nc7 9.Be2 b5 10.Qc2 a5 11.0–0 ab4= 12.ab4=; A2) 7.Be2 Na6 8.a3 Nc7 9.Nf3 b5 10.Qc2 a5 11.0–0 ab4= 12.ab4=; A3) 7.Nd2 Nbd7 A31) 8.Ngf3 a5 9.Be2 b5 10.cb5 cb5 11.Qb5 Rb8 12.Qa4+= ; A32) 8.d4 e4 9.a3 A321) 9...a6 10.Qc2 (10.c5 Qc7 11.Be2 a5 12.Nc4+=) 10...d5 11.c5 a5+= (11...b6 12.cb6= ) 12.b5=; A322) 9...Re8 10.Ne2 d5 11.cd5 Nb6 12.Qa5+=; A33) 8.a3 a6 9.Ngf3 Re8 10.Be2 a5 11.0–0 Qb6 12.d4= ; B) 6...Nbd7 B1) 7.d4 B11) 7...0–0 8.Nd2 (8.Be2 Nb6 9.Qa5 ed4 10.Bd4 Be6 11.Nd2 c5 12.bc5+=; 8.Ne2 a5 9.b5 c5 10.de5 de5 11.Ng3 Nb6 12.Qc2=; 8.de5 de5 9.a3 Qc7 10.Nd2 Rd8 11.Ngf3 c5 12.Bc3+=; 8.a3 ed4 9.Bd4 c5 10.Bc3 d5 11.Qc2 Nb6 12.bc5+=) 8...e4 9.a3 a6 10.c5 d5 11.Be2 Qc7= 12.Rb1=; B12) 7...Nb6 8.Qc2 (8.Qa5 Be6 9.Nd2 e4 10.f3 d5 11.c5 Nbd7+= 12.Qd8+=) 8...ed4 9.Bd4 c5 10.bc5 dc5 11.Bb2 Bg4 12.Nd2+=; B2) 7.Nd2 B21) 7...Nb6 8.Qc2 (8.Qa5 0–0 9.Ngf3 Nbd7 10.Qd8 Rd8 11.Be2 a5 12.b5=) 8...Be6 9.d4 (9.Ngf3 a5 10.ba5 Ra5 11.Bc3 Ra7 12.d4=) 9...e4 10.Ne2 (10.f3 ef3 11.Ngf3 Ng4 12.d5=) 10...d5 11.c5 Nbd7= 12.Nf4=; B22) 7...a5 B221) 8.d4 ed4 9.Bd4 Nb6 10.Bb6 Qb6 11.b5 Nd7 12.bc6+= ; B222) 8.b5 Nb6 9.Qd1 cb5 10.cb5 a4 (10...0–0 11.d4 e4 12.Ne2+=) 11.a3 Bd7 (11...Be6+= 12.Ngf3+=) 12.d4+=; B223) 8.a3 Nb6 9.Qc2 Be6 10.Ngf3 0–0 11.d4 ab4 12.ab4= ; B23) 7...0–0 8.d4 (8.Ngf3 a5 9.Be2 b5 10.cb5 cb5 11.Qb5 Rb8 12.Qa4+=; 8.a3 a6 9.d4 e4 10.Qc2 d5 11.Rc1 b5 12.cb5+=) 8...e4 (8...Nb6 9.Qc2 e4 10.Ne2 a5 11.ba5 Ra5 12.Nc3=) 9.a3 d5 10.c5 (10.cd5 Nb6 11.Qc2 cd5+= 12.Rc1+=) 10...Qc7 11.Be2 Re8 12.Rb1+=; B3) 7.Nf3 B31) 7...Qb6 B311) 8.a3 a5 9.Bc3 0–0 10.ba5 Nc5 11.Qc2 (11.Qb4 Qd8+= 12.Nbd2+=) 11...Qb3 12.Qb3= ; B312) 8.Be2 0–0 9.a3 a5 10.0–0 Ra7 11.Qb3 ab4 12.ab4= ; B313) 8.Bc3 Qc7 9.Be2 0–0 10.0–0 d5 11.Nbd2 b5 12.cb5= ; B32) 7...a5 8.b5 B321) 8...Nc5 9.Qd1 0–0 10.d4 ed4 11.Nd4 Qb6 (11...Bg4= 12.Be2=) 12.Be2=; B322) 8...Nb6 9.Qd1 0–0 10.bc6 bc6 11.c5 Nbd7 12.cd6=.

6.Nc3 A) 6...0–0 7.Nf3 A1) 7...Nbd7 A11) 8.a3 Qb6 9.Be2 d5 10.cd5 cd5 11.0–0 a5 12.Qa4= ; A12) 8.Be2 Qb6 (8...d5 9.cd5 cd5 10.a3 a5 11.b5 Qb6 12.0–0= ) 9.a3 d5 10.cd5 cd5 11.0–0 a5= 12.Qa4=; A13) 8.Rc1 Re8 9.Be2 c5 10.bc5 dc5 11.0–0 b6 12.Qa4=; A2) 7...Bg4 8.Be2 Nbd7 9.0–0 Qb6 10.Qb3 a5 11.b5 Rae8= (11...Rfc8 12.h3=) 12.Rfb1=; A3) 7...Bd7 8.Be2 Qb6 9.a3 (9.Rb1 Qb4 10.Ba1 Qa5 11.Rb7 Na6 12.0–0+=) 9...a5 10.0–0 (10.Qa4 ab4 11.Qb4 Qc7 12.0–0+=) 10...ab4 11.Na4 Qc7= 12.ab4= ; A4) 7...Re8 8.Be2 d5 9.a3 a5 10.b5 d4 11.ed4 ed4= 12.Ne4=; A5) 7...Qb6 8.a3 A51) 8...Bd7 A511) 9.Be2 a5 10.c5 (10.Qa4 ab4 11.Qb4 Qc7 12.0–0+= ) 10...Qc7 11.cd6 Bd6+= 12.Rc1+= ; A512) 9.Rb1 Bf5 10.Be2 Na6 11.0–0 Rfe8 12.e4=; A52) 8...a5 9.b5 Bg4 10.Be2 Nbd7 11.0–0 d5 12.Nd2= ; A6) 7...Na6 8.a3 A61) 8...Bg4 9.Be2 Nc7 10.0–0 a5 A611) 11.h3 Bd7= (11...Bh5 12.b5=) 12.Qc2=; A612) 11.b5 cb5 12.cb5=; A62) 8...Nc7 9.Be2 a5 10.0–0 b5 11.cb5 Nb5 12.Qc2= ; A7) 7...Be6 8.Be2 Qb6 9.a3 Nbd7 10.0–0 a5 11.b5 d5 12.Na4= ; A8) 7...Bf5 8.Be2 Nbd7 9.0–0 d5 10.a3 a5 (10...dc4 11.dc4 a5= 12.c5=) 11.cd5 cd5 12.Qb3+=; B) 6...Nbd7 B1) 7.Be2 B11) 7...0–0 8.Nf3 (8.d4 d5 9.cd5 cd5 10.a3 e4 11.Nh3 a5 12.ba5+=; 8.a3 a5 9.b5 cb5 10.Nb5 d5 11.Nf3 e4 12.Nfd4=) 8...Qb6 9.a3 Rd8 10.0–0 a5 11.b5 cb5 12.Nb5=; B12) 7...d5 8.cd5 (8.a3 dc4 9.dc4 a5 10.b5 0–0 11.Qc2 Bd6 12.Nf3=) 8...Nd5 9.Nd5 cd5 10.a3 a5 11.b5 0–0 ( 11...a4= 12.Nf3=) 12.Nf3=; B2) 7.a3 B21) 7...0–0 8.Nf3 (8.Be2 a5 9.b5 d5 10.cd5 cb5 11.d6 Bd6 12.Nb5=) 8...d5 (8...a5 9.b5 cb5 10.Nb5 Qb6 11.Be2 Qc6 12.0–0+=) 9.cd5 cd5 B211) 10.Be2 a5 11.b5 Qb6= (11...Bd6 12.0–0=) 12.0–0=; B212) 10.Qb3 Qb6 11.Rc1 Qe6 12.Nb5=; B22) 7...a5 8.b5 B221) 8...Rb8 9.Nf3 d5 (9...0–0 10.Be2 Re8 11.0–0 d5 12.d4=) 10.Be2 0–0 11.0–0 (11.cd5 cd5= 12.0–0=) 11...dc4 12.dc4=; B222) 8...0–0 9.Nf3 d5 10.cd5 cd5 11.Be2 Qb6 12.0–0= ; B3) 7.Nf3 B31) 7...d5 8.a3 (8.b5 0–0 9.cd5 cd5 10.Be2 Re8 11.0–0 Bd6 12.Rc1=) 8...0–0 9.cd5 cd5 10.Qb3 Qb6 11.Rc1 Qe6 12.Nb5=; B32) 7...0–0 B321) 8.a3 a5 (8...Qb6 9.Be2 d5 10.cd5 cd5 11.0–0 a5 12.Qa4=) 9.b5 d5 10.cd5 cd5 11.Be2 Re8= (11...Qb6 12.0–0=) 12.0–0= ; B322) 8.Rb1 Re8 9.Be2 d5 10.b5 cb5 11.Nb5 dc4 12.dc4+= ; B323) 8.Rc1 Re8 9.Be2 Nb6 10.0–0 Bg4 11.Ng5 Be2 12.Qe2= ; B324) 8.Be2 d5 9.cd5 cd5 10.a3 a5 11.b5 Qb6 12.0–0= ; B4) 7.d4 0–0 B41) 8.a3 a5 9.b5 Nb6 10.Nf3 (10.Rc1 Bg4 11.Qd2 c5 12.de5+= ) 10...e4 11.Nd2 Be6= 12.Be2=; B42) 8.Rb1 d5 9.cd5 cd5 10.de5 Ne5 11.a3 Bf5 12.Rc1+=; B43) 8.Be2 a5 9.b5 e4 10.Rb1 cb5 11.Nb5 d5 12.c5= ; C) 6...d5 7.a3 a5 (7...d4 8.ed4 ed4 9.Ne4 a5 10.c5 b6 11.Nf3 Bg4= 12.Be2=) 8.Qa4 (8.Na2 ab4 9.ab4 dc4 10.dc4 Qd1 11.Kd1 Ne4 12.Ke1–/+) 8...0–0 9.Nf3 Nbd7 (9...Na6 10.b5 Nc5 11.Qc2 e4 12.de4+=) 10.Be2 d4 11.ed4 ed4= (11...Nb6 12.Qb3=) 12.Nb1+=.

6.Nd2 0–0 A) 7.a3 a5 (7...Be6 8.Ngf3 a5 9.Be2 Na6 10.b5 cb5 11.cb5 Nc7=) 8.d4 ab4 9.ab4 Ra1 10.Qa1 ed4 11.Bd4 c5+=; B) 7.d4 ed4 8.Bd4 c5 9.Bc3 cb4 10.Bb4 Nc6 11.Bc3 d5+=; C) 7.Ngf3 Qb6 (7...Be6 8.Ng5 Bf5 9.Be2 a5 10.b5 cb5 11.cb5 a4=; 7...a5 8.ba5 Qa5 9.Be2 Bf5 10.0–0 Nbd7 11.e4 Bg6=; 7...Bg4 8.Be2 a5 9.b5 a4 10.0–0 cb5 11.cb5 a3=; 7...Bf5 8.Be2 a5 9.b5 cb5 10.cb5 a4 11.0–0 Bd7=) 8.a3 Be6 9.d4 e4 10.Ng5 Bf5 11.Qc2 d5=; D) 7.Be2 Qb6 (7...Be6 8.Ngf3 Qb6 9.Bc3 Na6 10.d4 ed4 11.Nd4 c5=) 8.Bc3 Be6 9.Ngf3 Na6 10.d4 e4 11.Ng5 Bf5=.

6.Nd2 Nbd7 7.Qc2 (7.Ngf3 0–0 8.Bc3 b5 9.Be2 Nb6 10.Qc2 Rb8 11.cb5 cb5=; 7.d4 ed4 (7...0–0 8.Be2 Re8 9.a3 c5 10.Ngf3 Qb6 11.de5 de5=) 8.Bd4 0–0 9.a3 Re8 10.Ngf3 c5 11.Bc3 d5=; 7.a3 a5 8.d4 ab4 9.ab4 Ra1 10.Qa1 e4 11.Ne2 d5=; 7.Be2 0–0 (7...Qb6 8.a3 0–0 9.Ngf3 a5 10.Bc3 ab4 11.ab4 Ra1=) 8.Ngf3 Qb6 9.Bc3 Re8 10.0–0 Qc7 11.Ne4 Ne4=) 7...d5 (7...Qb6 8.a3 a5 9.ba5 Qa5 10.Ngf3 0–0 11.Be2 Nc5+=) 8.c5 (8.a3 a5 9.c5 b5 10.Ngf3 Qc7 11.Qc3 ab4+=) 8...0–0 (8...a5 9.a3 b5 10.Ngf3 Qc7 11.Qc3 ab4+=) 9.Ngf3 Qc7 10.Be2 b6 11.0–0 bc5 (11...Rd8=) 12.bc5 Bb7 (12...a5 13.d4=) 13.d4 e4 14.Ne1 Ne8 (14...Rfb8 15.Rb1=) 15.g3 (15.Rb1 Bg5+=) 15...f5 16.Ng2 Ndf6 17.Nf4 Bc8 (17...Qc8 18.Qa4=) 18.h4 Ng4 19.Kg2 g6 20.Rh1 Nef6 21.Nb3 a5 22.a4 Kf7 (22...Bd7 23.Bc3+=) 23.Bc3+= Bd8 24.Qd2 Qb7 (24...Qa7 25.Rab1+=) 25.Na5 Ba5 (25...Qd7 26.Nb3+/–) 26.Ba5 Ra5?? (better is 26...Qd7+/–) 27.Qa5+– Bd7 28.Rhb1 Qc8 29.Rb2 (29.Rb2 h6 30.Ba6+–) 1–0. Andersson,Lars H – Engberg,Valle, Sweden, 1988.

6.Nd2 Be6 A) 7.Ngf3 Qb6 (7...Na6 8.a3 0–0 9.Be2 Bg4 10.0–0 Qb6 11.Rb1 Bf5=; 7...0–0 8.Be2 a5 9.ba5 Qa5 10.0–0 b5 11.Nb3 Qa4=; 7...a5 8.b5 0–0 9.d4 e4 10.Ng5 Bf5 11.bc6 bc6=) 8.a3 0–0 9.d4 e4 10.Ng5 Bf5 11.Qc2 d5=; B) 7.d4 e4 8.Ne2 d5 9.c5 0–0 10.Nf4 Bg4 11.Be2 Be2=.

6.d4 0–0 A) 7.Be2 A1) 7...ed4 8.Qd4 A11) 8...Na6 9.b5 (9.a3 c5 10.Qc3 d5 11.b5 Nc7 12.Nf3= ) 9...Nc5 (9...Nc7 10.Nf3 Ne6 11.Qd1 a6 12.0–0=) 10.Nf3 Na4 11.Bc3 c5= 12.Qd1=; A12) 8...d5 9.cd5 Qd5 10.Qd5 Nd5 11.a3 b5 12.Bf3+= ; A2) 7...e4 A21) 8.d5 Nbd7 9.a3 Ne5 10.Nc3 (10.f4 Neg4 11.Qd2 Qb6 12.Bd4+=) 10...Bf5 11.Qd2 a5 (11...Qb6+= 12.Rd1+=) 12.b5+=; A22) 8.a3 d5 9.cd5 Qd5 10.Nc3 Qg5 11.Bf1 a5 12.b5+= ; A23) 8.Nc3 d5 9.a3 dc4 10.Bc4 b5 11.Bb3 a5 12.ba5+= ; A3) 7...Nbd7 8.a3 e4 (8...a5 9.b5 cb5 10.cb5 e4 11.d5 Nc5 12.Nc3+=) 9.Nc3 d5 10.Qc2 a6 (10...Bd6 11.g4 dc4= 12.g5=) 11.c5 Nb8 12.Na4+= ; B) 7.a3 B1) 7...e4 8.Nc3 (8.d5 Nbd7 9.Nd2 cd5 10.cd5 Ne5 11.Rc1 Bf5+= 12.Nc4+=; 8.Be2 Be6 9.Nd2 d5 10.c5 Qc7 11.Qc2 a5 12.ba5+=; 8.Nd2 a5 9.b5 cb5 10.cb5 d5 11.Rc1 Bd6 12.Ne2+=) 8...d5 9.cd5 cd5 10.Rc1 a5 11.b5 Bd6 12.Nge2+=; B2) 7...a5 8.b5 Nbd7 (8...e4 9.Nc3 cb5 10.Nb5 Na6 11.Qb3 Be6 12.Ne2=) 9.Be2 cb5 10.cb5 e4 11.Nh3 (11.d5 Nc5+= 12.Nc3+=) 11...d5 12.0–0+=.

6.d4 Nbd7 A) 7.a3 A1) 7...0–0 8.Nc3 (8.Be2 e4 9.d5 Ne5 10.Nc3 Bf5 11.Qd2 Qb6 12.Rd1+=; 8.Nh3 e4 9.Nc3 d5 10.Nf4 dc4 11.Bc4 a5 12.b5=; 8.Ne2 a5 9.b5 cb5 10.cb5 e4 11.Ng3 Nb6 12.d5=; 8.Nd2 e4 9.Qc2 d5 10.Be2 a5 11.b5 cb5 12.cd5=) 8...a5 9.b5 Nb6 10.Nf3 e4 11.Nd2 Be6= 12.Be2=; A2) 7...a5 8.b5 (8.Nd2 0–0 9.b5 cb5 10.de5 de5 11.cb5 e4 12.Rc1=) 8...0–0 9.Nc3 (9.Be2 cb5 10.cb5 e4 11.Nc3 d5 12.Rc1+=) 9...Nb6 10.Nf3 e4 11.Nd2 Be6= 12.Be2=; A3) 7...e4 8.Nc3 d5 (8...Nb6 9.d5 0–0 10.Be2 Re8 11.Rb1 Rb8 12.a4=) 9.Qb3 (9.cd5 cd5 10.Nge2 0–0 11.Qb3 Nb6 12.Nf4+=) 9...dc4 (9...Nb6 10.c5 Nbd7 11.b5 0–0 12.Qa4=) 10.Bc4 0–0 11.f3 (11.Qc2 a5 12.b5+=) 11...ef3+= 12.Nf3+=; B) 7.Nd2 B1) 7...0–0 B11) 8.Be2 Re8 9.a3 B111) 9...c5 10.Ngf3 cb4 (10...Qb6 11.de5 de5 12.Ne5=) 11.ab4 e4= 12.Ng5= ; B112) 9...a5 10.b5 Qb6 11.Ngf3 e4 12.Ng5+= ; B12) 8.a3 e4 9.Qc2 d5 10.Be2 Re8 11.cd5 cd5 12.Rc1+= ; B13) 8.Ne2 a5 9.b5 c5 10.de5 de5 11.Nc3 Nb6 12.Qc2= ; B14) 8.Qf3 ed4 9.Bd4 c5 10.bc5 dc5 11.Bc3 Bd6 12.Rd1–/+ ; B15) 8.Bd3 ed4 9.Bd4 Ne5 10.Be2 a5 11.b5 Bf5 12.Ngf3= ; B2) 7...ed4 8.Bd4 0–0 9.a3 c5 (9...Re8 10.Ngf3 c5 11.Bc3 d5= 12.Be2=) 10.Bc3 d5 11.Qf3 Qc7 12.cd5+=; C) 7.Be2 C1) 7...e4 C11) 8.Nc3 d5 9.c5 (9.cd5 cd5 10.a3 a5 11.b5 Nb6+= 12.Na4+=) 9...b6 10.Rb1 0–0 11.f3 Rb8 12.fe4+=; C12) 8.d5 0–0 9.a3 Ne5 10.dc6 bc6 11.Nd2 Qc7 12.Rb1+= ; C13) 8.Nd2 d5 9.cd5 cd5 10.a3 0–0 11.Rc1 Bd6 12.Nh3+= ; C14) 8.a3 Nb6 9.Nd2 Bf5 10.g4 Bg6 11.h4 h6 12.Nh3= ; C2) 7...0–0 8.a3 e4 (8...a5 9.b5 cb5 10.cb5 e4 11.Nh3 Nb6 12.Nf4+=) C21) 9.Nc3 C211) 9...Nb6 10.d5 Re8 (10...Bf5 11.g4 Bg6 12.h4+= ) 11.Rb1 (11.Qd4 c5= 12.Qd2+= ) 11...a5 12.dc6=; C212) 9...d5 10.cd5 cd5 11.Nh3 a5 12.Nf4+=; C22) 9.Nd2 Nb6 10.Rc1 Be6 11.Qc2 a5 12.c5+=; D) 7.Ne2 0–0 8.Nd2 (8.a3 a5 9.b5 cb5 10.cb5 Re8 11.Nd2 b6 12.Rc1=; 8.Qc2 a5 9.b5 Re8 10.Nbc3 Nb6 11.bc6 bc6 12.de5+=; 8.Ng3 ed4 9.Qd4 c5 10.bc5 dc5 11.Qd2 Nb6 12.Qc2+=) 8...Re8 9.a3 (9.Qc2 a5 10.b5 Qc7 11.a4 cb5 12.ab5+=) 9...a5 D1) 10.Qc2 D11) 10...Qb6 11.Qc3 (11.Qa4 Ra7+= 12.b5+= ) 11...ab4 12.ab4+=; D12) 10...ab4 11.ab4 Ra1 12.Ba1+=; D2) 10.b5 cb5 11.cb5 b6 12.Ng3=.

6.Be2 A) 6...0–0 7.Nf3 A1) 7...Qb6 8.Bc3 Na6 (8...Bf5 9.0–0 Nbd7 10.Nbd2 Rfe8 11.a4 Qc7 12.e4=) 9.a3 Be6 10.0–0 A11) 10...Rfd8 A111) 11.Qd2 Rd7 (11...Re8= 12.d4= ) 12.a4=; A112) 11.Nbd2 Re8 12.d4+=; A12) 10...Rae8 11.d4 e4 12.c5=; A2) 7...Bg4 8.0–0 Nbd7 9.Nc3 Qb6 10.a3 d5 11.h3 Bf3 12.Bf3= ; B) 6...Qb6 B1) 7.a3 a5 8.Qa4 (8.Qd2 ab4 9.Qb4 Qc7 10.Qd2 Nbd7 11.Nc3 0–0 12.Nf3+=) 8...Na6 9.Qa5 Qa5 10.ba5 Nc5 11.Nf3 Bf5+= 12.e4+=; B2) 7.Qd2 B21) 7...0–0 8.Nf3 a5 9.ba5 Qa5 10.0–0 B211) 10...Bg4 11.h3 Be6= (11...Bf5 12.e4= ) 12.Ng5=; B212) 10...Bf5 11.e4 Bg4 12.Qe3=; B22) 7...Bf5 8.Nf3 Nbd7 9.0–0 0–0 (9...a5 10.ba5 Qa5 11.e4 Bg4= 12.Bc3=) 10.e4 Bg4 11.h3 Bh5 12.Nh4=.

6.Nf3 A) 6...Be6 A1) 7.a3 A11) 7...0–0 A111) 8.Be2 a5 9.0–0 A1111) 9...Na6 10.b5 cb5 11.cb5 Nc7= (11...Qb6 12.Nc3+=) 12.Nc3=; A1112) 9...Qb6 10.Qd2 ab4 11.ab4 Ra1 12.Ba1= ; A112) 8.Ng5 Bg4 9.Be2 Be2 10.Qe2 a5 11.0–0 ab4 12.ab4= ; A12) 7...a5 A121) 8.d4 e4 9.Ng5 Bd7 10.h4 h6 11.Nh3 ab4 12.ab4+= ; A122) 8.Be2 0–0 9.0–0 A1221) 9...Na6 10.b5 cb5 11.cb5 Nc7= (11...Qb6 12.Nc3+=) 12.Nc3=; A1222) 9...Qb6 10.Qd2 ab4 11.Qb4 Qb4 12.ab4= ; A123) 8.b5 cb5 9.cb5 0–0 10.Be2 Nbd7 11.0–0 Rc8 12.Ng5= ; A2) 7.Be2 Qb6 A21) 8.Bc3 0–0 9.0–0 Nbd7 10.a4 d5 11.a5 (11.Ne5 Ne5 12.Be5=) 11...Qc7= 12.Nbd2= ; A22) 8.Qa4 Nbd7 9.0–0 0–0 10.Bc3 Rae8 11.Nbd2 d5 12.Rfc1= ; B) 6...0–0 B1) 7.Bc3 b5 8.Be2 a5 9.ba5 bc4 10.dc4 B11) 10...Ne4 11.Qc2 f5= (11...Nc3 12.Nc3= ) 12.0–0=; B12) 10...Bf5 11.0–0 Ne4 12.Bd3+=; B2) 7.Be2 B21) 7...a5 8.b5 (8.a3 Qb6 9.Qa4 Bg4 10.Nbd2 Nbd7 11.0–0 d5 12.b5+=) 8...cb5 9.cb5 a4 10.0–0 Qb6 11.d4 e4= 12.Nfd2=; B22) 7...Qb6 8.Bc3 Na6 9.a3 Be6 10.0–0 B221) 10...Rfd8 11.Nbd2 Re8+= (11...Bg4 12.Qc2+=) 12.d4+=; B222) 10...Rae8 11.d4 ed4 12.Nd4=; B23) 7...Bg4 8.0–0 (8.Bc3 Na6 9.0–0 Qd7 10.Nbd2 b5 11.a4 bc4 12.dc4=; 8.a3 a5 9.0–0 Qb6 10.d4 e4 11.c5 Qc7 12.Nfd2=) 8...Nbd7 (8...Qb6 9.Bc3 Re8 10.a4 Nbd7 11.h3 Be6 12.Nbd2=) B231) 9.Nc3 Qb6 (9...Re8 10.h3 Bf5 11.e4 Bg6 12.Nh4= ) 10.a3 d5 11.h3 Bf3= 12.Bf3= ; B232) 9.a3 a5 10.Nc3 ab4 11.ab4 Ra1 12.Qa1=; B24) 7...Na6 8.a3 Nc7 9.0–0 a5 10.Nbd2 B241) 10...b5 11.Qc2 (11.ba5 Ra5 12.Qc2=) 11...ab4= 12.ab4=; B242) 10...Re8 11.Qc2 Bg4 12.h3=; B25) 7...Nbd7 B251) 8.0–0 Qb6 9.Bc3 Qc7 (9...Re8 10.Nbd2 Qc7 11.a3 d5 12.Qc2=) 10.Nbd2 Rd8 (10...Re8 11.Ne4 Ne4 12.de4=) 11.Qc2 c5= (11...d5 12.a4=) 12.d4=; B252) 8.Bc3 Re8 9.0–0 Qc7 10.Nbd2 d5 11.Qc2 b6 12.a4= ; B253) 8.a3 b6 9.Nc3 Qc7 10.0–0 d5 11.cd5 cd5 12.Rc1+= ; B26) 7...Re8 B261) 8.0–0 B2611) 8...a5 9.b5 cb5 10.cb5 a4 11.a3 Be6= (11...Qa5 12.Nc3=) 12.Nc3= ; B2612) 8...Qb6 9.a3 a5 10.Qa4 Na6 11.Nbd2 ab4 12.ab4= ; B262) 8.a3 a5 9.0–0 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Bc3= ; B27) 7...b5 8.cb5 cb5 9.0–0 a5 10.a3 ab4 11.ab4 Ra1= 12.Ba1=.

6.d4 e4

7.a3 A) 7...0–0 8.d5 (8.Nc3 d5 9.cd5 cd5 10.Rc1 a5 11.b5 Bd6+= 12.Nge2+=; 8.Nd2 a5 9.b5 cb5 10.cb5 d5 11.Rc1 Be6 12.Ne2+=; 8.Be2 d5 9.Nc3 a5 10.b5 cb5 11.Nb5 dc4 12.Bc4+=; 8.Qc2 Be6 9.Ne2 a5 10.Nf4 Bf5 11.Be2 d5 12.c5=; 8.Ne2 a5 9.d5 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.Ng3+=) 8...Nbd7 9.Nd2 cd5 10.cd5 a5 11.Ne2 Ne5 12.Nc3=; B) 7...a5 8.d5 (8.b5 cb5 9.cb5 d5 10.Nc3 0–0 11.Nge2 Bd6 12.Rc1+=; 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 0–0 11.b5 cb5 12.Nb5+=) 8...ab4 9.ab4 Ra1 10.Ba1 0–0 11.Nd2 Bf5 12.Qb3+=; C) 7...Nbd7 8.Nc3 (8.Be2 Nb6 9.Nd2 0–0 10.Qc2 Bf5 11.Rc1 a5 12.b5+=; 8.d5 0–0 9.Nd2 Ne5 10.Qb1 cd5 11.cd5 Bf5 12.Ngf3+=) 8...d5 9.Qb3 dc4 (9...Nb6 10.c5 Nbd7 11.b5 0–0 12.Rb1=) 10.Bc4 0–0 11.Qc2 a5+= 12.b5+=.

7.Qc2 A) 7...0–0 A1) 8.Nc3 d5 9.a3 Be6 10.cd5 cd5 11.f3 (11.Nge2 a5 12.b5+=) 11...a5+= 12.b5+= ; A2) 8.d5 cd5 9.cd5 Nd5 10.Qe4 Bf6 11.Bd3 g6 12.Bf6–/+ ; A3) 8.a3 d5 9.Nd2 a5 10.ba5 Qa5 11.c5 Nbd7 12.Rb1+= ; B) 7...d5 8.a3 0–0 9.Nc3 Be6 10.cd5 cd5 11.f3 a5+= 12.b5+=.

7.Nc3 A) 7...0–0 8.d5 Na6 9.a3 A1) 9...Qb6 A11) 10.Qc2 Bf5 11.Nf3 Rfe8 (11...cd5= 12.Nd4=) 12.dc6=; A12) 10.Nge2 Bf5 11.Ng3 Bg6 12.Na4+=; A2) 9...Nc7 10.dc6 bc6 11.Nge2 Bd7 12.Rb1=; B) 7...d5 8.a3 (8.Qb3 0–0 9.cd5 cd5 10.Nge2 Nc6 11.a3 Bd6 12.Rc1+=; 8.c5 b6 9.Qa4 0–0 10.cb6 Qb6 11.a3 a5 12.b5+=) 8...0–0 9.cd5 cd5 10.Rc1 a5 11.b5 Nbd7+= 12.Nge2+=.

7.Nd2 A) 7...d5 8.c5 (8.a3 0–0 9.cd5 cd5 10.Rc1 Bd6 11.Be2 Be6 12.Nb3+=; 8.Qb3 Be6 9.b5 dc4 10.Bc4 Bc4 11.Qc4 Qd7 12.Rc1+=; 8.cd5 Bb4 9.dc6 Nc6 10.a3 Ba5 11.Bc4 0–0 12.Ne2+=) 8...0–0 9.Qa4 b6 10.cb6 Qb6 11.a3 Bd6 12.Nb3=; B) 7...Be6 8.Ne2 d5 9.c5 0–0 10.Nf4 Bf5 11.Be2 b6 12.Rc1= ; C) 7...0–0 8.a3 a5 9.b5 cb5 10.cb5 d5 11.Rc1 Bd6 12.Ne2+=.

7.d5 A) 7...Na6 8.a3 (8.dc6 bc6 9.a3 0–0 10.Nd2 c5 11.Rb1 cb4 12.ab4=; 8.Qd2 Nc7 9.Nc3 0–0 10.Nge2 a5 11.ba5 Bf5 12.Na4=; 8.Qa4 Qb6 9.a3 0–0 10.dc6 bc6 11.Nd2 Nc7 12.Rc1=) 8...0–0 9.Nc3 A1) 9...c5 10.b5 Nb8 11.Nge2 Qe8+= (11...Re8 12.Ng3+=) 12.Ng3+=; A2) 9...Nc7 10.Nge2 a5 11.b5 cb5 12.cb5+=; B) 7...0–0 B1) 8.Ne2 Nbd7 9.Nbc3 Qb6 10.b5 a6 11.Ng3 Nc5 12.Qc2+= ; B2) 8.Nc3 B21) 8...Na6 9.a3 Nc7 (9...c5 10.b5 Nb8 11.Nge2 Qe8 12.Ng3+=) 10.Nge2 cd5 (10...a5 11.b5 cb5 12.cb5+=) 11.cd5 b5+= (11...Bg4 12.Qd4+=) 12.Nd4=; B22) 8...Qb6 9.a3 c5 10.Qc2 cb4 11.ab4 Qb4 12.Ba3+= ; B3) 8.Be2 Nbd7 9.a3 cd5 10.cd5 a5 11.Nc3 ab4 12.ab4=.

7.Be2 A) 7...0–0 A1) 8.d5 Nbd7 9.a3 (9.Qd2 cd5 10.cd5 a5 11.b5 a4 12.Qb4+=) 9...Ne5 10.f4 (10.dc6 bc6 11.Nd2 Qc7+= 12.Rb1+=) 10...Neg4 11.Qd2 Qb6 12.Bd4+=; A2) 8.a3 d5 9.Nc3 Be6 10.cd5 cd5 11.f3 a5 12.b5+= ; A3) 8.Nc3 d5 9.a3 dc4 10.Bc4 b5 11.Bb3 a5 12.ba5= ; B) 7...d5 8.c5 (8.a3 Be6 9.cd5 Qd5 10.Nc3 Qg5 11.Bf1 a5+= 12.b5+=) 8...0–0 9.Nd2 b6 10.Rc1 a6 11.Bc3 Nbd7 12.cb6=; C) 7...Nbd7 8.Nc3 (8.a3 Nb6 9.Nd2 0–0 10.Qc2 Bf5 11.h3 d5 12.c5+=; 8.d5 0–0 9.Nc3 Ne5 10.Qd2 Bf5 11.f4 Ng6 12.b5+=; 8.Nd2 d5 9.cd5 cd5 10.a3 Bd6 11.Rc1 Nb6 12.Nb3+=) 8...d5 C1) 9.cd5 cd5 10.Qb3 (10.a3 Nb6 11.Rc1 0–0 12.f3+= ) 10...Nb6 11.Rc1 0–0+= 12.a3+= ; C2) 9.c5 0–0 10.Nh3 b6 11.Nf4 Rb8 12.Rb1=; D) 7...Be6 8.Nc3 d5 9.cd5 cd5 D1) 10.b5 D11) 10...Nbd7 11.Rc1 0–0+= (11...Bd6 12.Qa4+=) 12.Qb3+=; D12) 10...0–0 11.Qa4 Qd6 12.Nb1+=; D2) 10.Qa4 Nbd7 11.Rc1 0–0 12.Qb5+=.

5.d3 Be6

6.Nc3 A) 6...0–0 7.Nf3 a6 (7...Qd7 8.Be2 a6 9.Qb3 Nc6 10.Nd5 a5 11.Ne7 Ne7 12.b5 a4) 8.Be2 Nc6 9.0–0 Nb4 10.Qb3 Nc6 11.Ng5 Bd7 12.Bf3 h6; B) 6...a6 B1) 7.Be2 0–0 (7...Nc6 8.Nf3 Nb4 9.Qb3 Nc6 10.Qb7 0–0 11.Ng5 Bd7 12.Rb1 d5; 7...Qd7 8.Nf3 Nc6 9.0–0 0–0 10.a3 h6 11.Qc2 Rfe8 12.h3 Rab8) 8.Nf3 Nc6 9.a3 h6 10.0–0 Re8 11.d4 ed4 12.Nd4 Nd4; B2) 7.a3 c5 8.bc5 dc5 9.Nf3 Nc6 10.Ng5 0–0 11.Ne6 fe6 12.Be2 Rb8; B3) 7.Nf3 0–0 (7...Nc6 8.a3 0–0 9.Be2 d5 10.cd5 Nd5 11.0–0 Nc3 12.Bc3 f6) 8.Be2 Nc6 9.0–0 Nb4 10.Qb3 Nc6 11.h3 Rb8 12.Ng5 Bf5; C) 6...d5 7.a3 d4 8.ed4 ed4 9.Nb5 c5 10.bc5 Bc5 11.Nf3 Nc6 12.Qd2 a6.

6.Nd2 0–0 7.Ngf3 (7.Be2 d5 8.a3 a5 9.b5 Nbd7 10.Ngf3 e4 11.de4 de4 12.Nd4 Nc5) 7...a6 (7...h6 8.Be2 a6 9.0–0 Nc6 10.Qb3 Qd7 11.h3 Bf5 12.Nh4 Bh7; 7...Nbd7 8.Be2 h6 9.0–0 c6 10.Bc3 Qc7 11.Qc2 b5 12.h3 Rab8; 7...Qc8 8.Be2 a6 9.0–0 Nc6 10.Qb3 h6 11.d4 ed4 12.Nd4 Nd4; 7...Qd7 8.Be2 a6 9.Qb3 Nc6 10.0–0 h6 11.h3 b5 12.a4 Rfb8) 8.Be2 Nc6 9.Qb3 b5 10.0–0 h6 11.a4 Qd7 12.h3 Rfb8.

6.Nd2 a5 7.b5 Nbd7 (7...0–0 8.Ngf3 Nbd7 9.Be2 a4 10.d4 a3 11.Bc3 ed4 12.Nd4 Nc5; 7...h6 8.Ngf3 Nbd7 9.Be2 0–0 10.0–0 Qc8 11.Bc3 a4 12.Bb4 c6) 8.Ngf3 0–0 9.Be2 Nc5 10.d4 ed4 11.Nd4 Qd7 12.0–0 Bg4.

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 (22...g6 23.e4+=) 23.Qd2+= Rd8 24.Ne2 e4 (24...Qe8 25.Qc2=) 25.Nf4+= Nb8 (25...Qe8 26.Nd5 Bg5 27.Ndb6 Nb6 28.Nb6+/–) 26.Ke2 (better is 26.Rd8!? Qd8 27.Nd5+/–) 26...Rd6= 27.Qd6 Qd6 28.Nd6 Ke7 29.Ne4 Rd8 30.Nf6 (30.Rd1 Rd1 31.Kd1 Nd7+=) 30...Kf6= 31.e4 Rd4 32.Nd5 Ke5 33.Nb6 Re4 (33...Ke4? 34.Rc1 Nd7 35.f3 Kf4 36.Nd7 Rd7 37.Rc5+–) 34.Kf3 Rb4 35.Rd1 Rd4 36.Rc1 (36.Re1 Kd6 37.Re4 Rb4 38.Rb4 ab4+/–) 36...Kd6+= 37.Nc4 Kd5 38.Ne3 Ke6 39.Rc5 Ra4 40.b6 Rb4 41.Nc4 Nd7 42.Rc6 Kd5 43.Na5?? (43.Rc7 Nb6 44.Na5 Ke6=) 43...Rb6 (better is 43...Ne5 44.Ke3 Nc6 45.Nc6 Kc6–+) 44.Rc8 (44.Rb6 Nb6 45.h4 Nd7=) 44...Rf6 (44...Ne5 45.Kg3+=) 45.Kg3 Rg6 46.Kh3 Rh6 47.Kg4 (47.Kg3 Ne5=) 47...Rg6 48.Kf3 (better is 48.Kh3!?=) 48...Ne5–/+ 49.Kf4 Rf6 (49...Rg4!? 50.Ke3 Rg2–/+) 50.Kg3+= Rg6 51.Kh3 (51.Kf4 Rg4 52.Ke3 Rg2–/+) 51...Rh6 52.Kg3 Rg6 53.Kf4 Nd3 (53...Rg4!? 54.Ke3 Rg2–/+) 54.Ke3+= Ne5 55.Rd8 (55.Kf4 Rg4 56.Ke3 Rg2–/+) 55...Rd6 (55...Ke6!? 56.Rh8 Ng4 57.Ke2 Nh2+=) 56.Rd6= Kd6 57.Kf4 Nd7 58.Ke3 Ne5 59.f4 (59.h3 Kd5=) 59...Nd7 (59...Ng4 60.Ke4+=) 60.Nc4 Ke6 61.g4 f5 62.g5 h6 63.h4 hg5 64.fg5 g6 65.Kf4 Nc5? (better is 65...Nf8+=) 66.Ne5+– Nd7 67.Ng6 Nc5 (67...Nb6+–) 68.h5 Nd3 (68...Kf7 69.Kf5 Ne6 70.Ne5 Ke7 71.Nc6 Kd6 72.h6+–) 69.Ke3 Nc5 (69...f4 70.Kd3 Kf5 71.h6 Kg6 72.Ke4+–) 70.Nf4 (better is 70.h6 Kf7 71.h7 Kg6+–) 70...Kf7 71.g6 (better is 71.h6+–) 71...Kg7 72.Kd4 Nd7 73.Ne6 Kg8?? (better is 73...Kh6 74.g7 Kh7+–) 74.h6 Nf6 75.Ng7 (75.Nd8 Ng4 76.h7 Kg7+–) 75...Kh8?? (75...Ng4 76.Nh5 Nh6+/–) 76.Nf5 Ng4 77.h7 (better is 77.Ke4+–) 77...Nf6 78.g7 (better is 78.Ke5 Nh7 79.g7 (worse is 79.gh7 Kh7=) 79...Kg8 80.Ke6+/–) 78...Kh7= 79.Ke5 Ne8 80.Ke6 Ng7 81.Ng7 Kg7 ½–½. Rygin,Ivan – Mudrenova,Polina, Kineshma RUS, Open, 2011.

6.Nd2 h6 A) 7.Ngf3 Qd7 (7...a6 8.Be2 Nc6 9.0–0 0–0 10.Qb3 b5 11.a4 Qd7 12.h3 Rfb8; 7...0–0 8.Be2 a5 9.b5 c6 10.0–0 cb5 11.cb5 Nbd7 12.Nc4 Nb6; 7...Nbd7 8.Be2 a5 9.b5 0–0 10.0–0 Qc8 11.Bc3 a4 12.Bb4 c6; 7...g6 8.Be2 0–0 9.0–0 a5 10.b5 Nbd7 11.Qc2 Nc5 12.a4 Qb8) 8.Qb3 0–0 9.Be2 Nc6 10.b5 Na5 11.Qb4 b6 12.0–0 a6; B) 7.Be2 0–0 (7...a6 8.Ngf3 Nc6 9.d4 ed4 10.Nd4 Nd4 11.Bd4 0–0 12.0–0 c5; 7...a5 8.b5 0–0 9.Ngf3 Nbd7 10.0–0 c6 11.bc6 bc6 12.Rb1 g6; 7...Nbd7 8.Ngf3 0–0 9.0–0 Nb6 10.a4 a5 11.b5 Qd7 12.Qc2 Rfe8) 8.Ngf3 Nc6 9.b5 Nb8 10.Qc2 c6 11.d4 cb5 12.de5 de5.

6.Nf3 A) 6...a6 A1) 7.Nbd2 0–0 (7...Nc6 8.Be2 0–0 9.Qb3 b5 10.0–0 Rb8 11.a3 h6 12.Qc2 Qd7; 7...a5 8.b5 0–0 9.Ng5 Nbd7 10.Ne6 fe6 11.Be2 Qe8 12.0–0 Qg6) 8.Be2 Nc6 9.Qb3 b5 10.0–0 h6 11.a4 Qd7 12.h3 Rfb8; A2) 7.Nc3 0–0 (7...Nc6 8.Be2 0–0 9.Qb3 d5 10.0–0 d4 11.Ne4 Ne4 12.de4 Bf6; 7...Qd7 8.d4 ed4 9.ed4 Bg4 10.Be2 Nc6 11.d5 Bf3 12.gf3 Ne5) 8.Be2 Nc6 9.0–0 Nb4 10.Qb3 a5 11.a3 Nc6 12.Qb7 Qd7; A3) 7.Be2 0–0 (7...Nc6 8.0–0 0–0 9.Qb3 Rb8 10.Nc3 b5 11.a3 a5 12.Ng5 bc4) 8.0–0 Nc6 9.Qb3 b5 10.Nc3 Rb8 11.Ng5 bc4 12.Ne6 cb3 ; B) 6...a5 7.b5 0–0 (7...Nbd7 8.Nc3 h6 9.Be2 0–0 10.0–0 Nb6 11.Na4 Na4 12.Qa4 Nd7; 7...Qc8 8.Nc3 0–0 9.Be2 Nbd7 10.0–0 h6 11.d4 ed4 12.ed4 Re8; 7...a4 8.Ng5 Nbd7 9.Ne6 fe6 10.Be2 0–0 11.0–0 Qe8 12.Nd2 Qg6; 7...c6 8.Nc3 0–0 9.Be2 Nbd7 10.0–0 h6 11.d4 Qc7 12.Ba3 c5) 8.Nc3 Nbd7 9.Be2 h6 10.0–0 c6 11.d4 Qc7 12.Ba3 c5; C) 6...0–0 C1) 7.Nc3 Nc6 (7...a6 8.Be2 Nc6 9.0–0 Nb4 10.Qb3 Nc6 11.Ng5 Bd7 12.h3 h6; 7...Qd7 8.Be2 a6 9.0–0 Nc6 10.Qb3 d5 11.b5 ab5 12.cb5 Na5; 7...h6 8.Be2 c6 9.0–0 Nbd7 10.d4 Qc7 11.Qb3 Nb6 12.a4 a5) 8.b5 Na5 9.Be2 a6 10.a4 h6 11.0–0 c6 12.Qc2 Qc7; C2) 7.Nbd2 Qe8 (7...Nbd7 8.Be2 c5 9.b5 Qc7 10.Ng5 a6 11.Ne6 fe6 12.Qb3 ab5; 7...a5 8.b5 h6 9.Be2 c6 10.0–0 Qb6 11.Ba3 cb5 12.cb5 Nbd7; 7...c6 8.Be2 Qb6 9.Qb3 Nbd7 10.Bc3 h6 11.0–0 Qc7 12.Qc2 b5; 7...h6 8.Be2 a6 9.0–0 Nc6 10.Qb3 b5 11.a4 Qd7 12.h3 Rfb8; 7...Nc6 8.b5 Na5 9.Bc3 b6 10.Nb3 Nb3 11.ab3 Qc8 12.Be2 a6 ; 7...a6 8.Be2 Nc6 9.Qb3 b5 10.0–0 h6 11.a4 Qd7 12.h3 Rfb8; 7...Qd7 8.b5 a6 9.a4 c6 10.d4 e4 11.Ng5 Bf5 12.bc6 Nc6; 7...Na6 8.a3 h6 9.Be2 c5 10.b5 Nc7 11.0–0 Bf5 12.Nh4 Bh7; 7...Re8 8.Be2 a5 9.b5 Nbd7 10.0–0 h6 11.Qc2 c6 12.a4 Nc5; 7...Bf5 8.Be2 a6 9.e4 Bg6 10.0–0 Qd7 11.c5 Nc6 12.Nc4 Rfe8; 7...Qc8 8.Be2 a5 9.b5 Nbd7 10.0–0 h6 11.Bc3 a4 12.Bb4 c6) 8.Ng5 a5 9.b5 Nbd7 10.Ne6 fe6 11.Be2 Nc5 12.0–0 Qg6; D) 6...Nbd7 D1) 7.Nc3 a5 (7...0–0 8.Be2 a5 9.b5 Nc5 10.0–0 Bd7 11.d4 ed4 12.ed4 Ne6; 7...h6 8.Be2 c6 9.0–0 Qb6 10.a3 a5 11.b5 0–0 12.d4 Bf5; 7...c6 8.Be2 0–0 9.0–0 h6 10.d4 Bf5 11.Qb3 Qc7 12.h3 a5; 7...Nb6 8.Be2 h6 9.0–0 0–0 10.Qc2 a5 11.a3 Qd7 12.h3 Ra7; 7...c5 8.b5 0–0 9.Be2 d5 10.cd5 Nd5 11.0–0 Qc7 12.Nd5 Bd5; 7...d5 8.cd5 Nd5 9.a3 Nc3 10.Bc3 0–0 11.Be2 f6 12.Qc2 c5) 8.b5 0–0 9.Be2 h6 10.0–0 Nb6 11.Na4 Na4 12.Qa4 Qd7; D2) 7.Nbd2 c5 (7...a5 8.b5 0–0 9.Be2 c6 10.0–0 cb5 11.cb5 h6 12.Nc4 Nb6; 7...0–0 8.Be2 Nb6 9.0–0 a5 10.b5 h6 11.Qc2 Re8 12.a4 Qd7; 7...d5 8.Ne5 0–0 9.Rb1 Bb4 10.Nd7 Nd7 11.cd5 Bd5 12.Qg4 Bd2; 7...c6 8.Be2 0–0 9.0–0 a5 10.b5 Qb6 11.d4 cb5 12.cb5 Rac8) 8.b5 0–0 9.Be2 a6 10.a4 h6 11.0–0 Qc7 12.Qc2 Ra7; D3) 7.Be2 a5 (7...0–0 8.Nc3 c6 9.0–0 h6 10.d4 Qc7 11.Qb3 Nb6 12.a4 a5; 7...d5 8.0–0 dc4 9.dc4 0–0 10.b5 a6 11.Ne5 ab5 12.cb5 Nd5) 8.b5 Nc5 9.d4 Nce4 10.0–0 ed4 11.Nd4 0–0 12.Qc2 Qd7.

5.d3 Bf5

6.a3 0–0 A) 7.Nc3 A1) 7...Qd7 8.Nf3 (8.Be2 Re8 9.Nf3 Nc6 10.0–0 a6 11.Nd5 Be6 12.Ne7=) 8...Re8 (8...a5 9.b5 Qe6 10.Be2 h6 11.0–0 c6 12.d4+=) 9.Be2 A11) 9...Bg4 10.0–0 c6 (10...a5 11.b5 c6 12.h3+= ) 11.e4 c5= 12.Nd2=; A12) 9...Nc6 10.0–0 a6 11.Nd5 Be6 12.Ne7=; A2) 7...a5 8.b5 Nbd7 A21) 9.Qf3 Bg4 (9...Bg6 10.Be2 Nc5 11.Rd1 Qd7 12.Nh3= ) 10.Qg3 Nc5 11.Nd5 Bf5+= 12.Ne7+= ; A22) 9.Nf3 Re8 10.Be2 Ra7 11.0–0 Nc5 12.d4=; A3) 7...Re8 8.Nf3 c6 9.Be2 Nbd7 10.e4 Bg4 11.0–0 a5 12.d4= ; B) 7.Nd2 B1) 7...Re8 B11) 8.Ngf3 a5 9.e4 Bg4 10.h3 Bf3 11.Nf3 Nbd7 12.b5= ; B12) 8.Qf3 B121) 8...Bd7 B1211) 9.Ne2 a5 10.b5 c6 11.bc6 (11.d4 cb5 12.cb5+=) 11...Nc6= 12.d4+= ; B1212) 9.Be2 Nc6 10.Qg3 Bf5 11.b5 Na5 12.Bc3= ; B122) 8...Bc8 9.Ne2 a5 10.d4 ab4 11.ab4 Ra1 12.Ba1+= ; B13) 8.Nb3 Nc6 9.b5 Nb8 10.Nf3 a6 11.Be2 ab5 12.cb5+= ; B14) 8.e4 Bc8 9.Ngf3 a5 10.b5 Nbd7 11.Be2 Nc5 12.0–0= ; B2) 7...a6 8.Ngf3 (8.Be2 a5 9.b5 Nbd7 10.e4 Be6 11.Ngf3 Nh5 12.0–0=) 8...a5 9.b5 B21) 9...Re8 10.Be2 Nbd7 11.e4 Bg4= ( 11...Bg6 12.0–0=) 12.d4=; B22) 9...Nbd7 10.e4 Bg6 11.Be2 Nc5 12.0–0=; B3) 7...a5 B31) 8.b5 Nbd7 9.Qf3 Bg6 10.d4 (10.Be2 Nc5 11.d4 Na4 12.Bc1+=) 10...Rb8 (10...ed4 11.Bd4 Rb8+= 12.Be2+=) 11.e4 ed4 12.Bd4+= ; B32) 8.Qf3 Qc8 9.h3 Na6 10.Be2 Bg6 11.Bc3 ab4 12.ab4= ; C) 7.Qf3 Qc8 8.Be2 Re8 (8...a5 9.b5 c6 10.Nc3 Qd7 11.e4 Be6 12.Rd1=) 9.Nc3 a5 (9...c5 10.Rc1 Qd7 11.Nd5 Nc6 12.Bc3=) 10.b5 c6 11.Rd1 cb5 (11...Qe6= 12.e4=) 12.Nb5=; D) 7.Be2 a5 8.b5 (8.Nf3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 Re8 12.0–0=) 8...e4 9.de4 Ne4 10.Nf3 Bf6 11.Nd4 Re8 12.0–0=; E) 7.Nf3 a5 8.b5 (8.Be2 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Bc3 Qd7 12.0–0=) 8...Re8 9.Be2 Qd7 10.0–0 Bg4 11.Nc3 c6 12.h3+=.

6.a3 a5 7.b5 A) 7...Ra7 A1) 8.Be2 Nbd7 9.Nf3 0–0 10.0–0 Nb6 (10...c6 11.Nc3 d5+= 12.cd5+=) 11.e4 Be6 12.Ng5= ; A2) 8.Nf3 Nbd7 9.Be2 c6 10.Nc3 0–0 11.0–0 Re8 12.e4=; B) 7...0–0 8.Nc3 (8.Nf3 c6 9.Nc3 Nbd7 10.Be2 d5 11.0–0 dc4 12.dc4=; 8.Nd2 Bg6 9.Qf3 Nbd7 10.d4 ed4 11.Bd4 Rb8 12.Qg3+=) 8...Nbd7 B1) 9.Qf3 Bg6 10.Be2 Nc5 (10...Re8 11.Rd1 Nc5 12.Nh3= ) 11.Rd1 Re8 (11...Qd7= 12.Nh3= ) 12.Nh3=; B2) 9.Nf3 Nc5 10.d4 ed4 11.Nd4 Bg6 12.Be2=.

6.a3 a6 A) 7.Be2 A1) 7...0–0 8.Nf3 a5 9.b5 Ra7 (9...Qc8 10.0–0 Re8 11.e4 Bg4+= 12.Nc3+=) 10.0–0 Nbd7 11.d4 ed4 12.Qd4+=; A2) 7...a5 8.b5 Nbd7 (8...0–0 9.Nf3 c6 10.Nc3 cb5 11.Nb5 Nc6 12.0–0=) 9.Nf3 0–0 (9...c6 10.Nc3 0–0 11.0–0 d5= 12.cd5=) 10.0–0 c6 11.Nc3 d5 12.cd5=; B) 7.d4 B1) 7...e4 8.Ne2 (8.d5 0–0 9.Ne2 a5 10.Nd2 Na6 11.Nd4 Bg4 12.f3=) 8...a5 9.Ng3 Bg6 10.Nc3 (10.h4 h6 11.ba5 Ra5= 12.Qc2=) 10...ab4 11.ab4 Ra1 12.Qa1=; B2) 7...Nbd7 B21) 8.Ne2 a5 9.Ng3 Bg6 10.Be2 ed4 11.Bd4 ab4 12.ab4= ; B22) 8.Qf3 Be4 9.Qg3 ed4 10.Bd4 Bg6 11.Nd2 a5 12.b5+= ; B23) 8.f3 ed4 9.Bd4 0–0 10.Bd3 Be6 11.Ne2 Ne5 12.0–0–/+ ; B24) 8.de5 de5 9.Nf3 c5 10.bc5 Qa5 11.Nbd2 Qc5 12.Qb3+= ; B25) 8.Nc3 c6 (8...ed4 9.Qd4 Ne5 10.Be2 a5 11.Nf3 ab4 12.ab4=) 9.Qf3 Bg4 10.Qg3 ed4 11.ed4 0–0= 12.Bd3=; B26) 8.Be2 0–0 9.Nf3 a5 10.b5 ed4 11.Nd4 Bg6 12.0–0= ; B27) 8.Nf3 a5 9.Be2 ab4 10.ab4 Ra1 11.Ba1 0–0 12.0–0= ; B3) 7...ed4 8.Bd4 Nc6 9.Nf3 0–0 (9...a5 10.b5 Nd4 11.Nd4 Be6 12.Bd3=) 10.Bd3 Bg4 11.0–0 (11.Bc3 Ne5 12.Be2=) 11...Nd4= 12.ed4= ; C) 7.Nf3 C1) 7...a5 8.b5 Qd7 (8...0–0 9.Be2 Qd7 10.0–0 Bg4 11.Nc3 Re8 12.d4+=) 9.Be2 0–0 10.0–0 c6 (10...Bg4 11.Nc3 Rd8 12.e4+=) 11.Nc3 cb5+= 12.e4+=; C2) 7...0–0 8.Be2 Nc6 9.0–0 Re8 10.Nc3 Qd7 11.Nd5 Be6 12.Ne7=.

6.a3 c6 A) 7.Nf3 a5 A1) 8.b5 0–0 9.Nc3 Nbd7 10.Be2 d5 11.0–0 dc4 12.dc4= ; A2) 8.Nc3 0–0 9.b5 Nbd7 10.Be2 d5 11.0–0 dc4 12.dc4= ; A3) 8.e4 Be6 9.Nbd2 Qb6 10.d4 ab4 11.ab4 Ra1 12.Qa1+= ; A4) 8.Be2 Qb6 9.Qa4 (9.Qd2 0–0 10.c5 Qc7 11.0–0 Nbd7 12.d4+=) A41) 9...0–0 10.0–0 Nbd7 11.Nbd2 ab4 (11...Rfd8= 12.Qb3=) 12.Qb4=; A42) 9...Na6 10.d4 e4 11.Nfd2 ab4 12.ab4+=; A5) 8.Nbd2 0–0 9.e4 Bg6 10.Be2 Na6 11.b5 Nc5 12.0–0= ; B) 7.Be2 a5 B1) 8.Nf3 Qb6 B11) 9.Qa4 Na6 (9...0–0 10.0–0 Nbd7 11.Nbd2 ab4= 12.Qb4=) 10.d4 e4 11.Nfd2 ab4 12.ab4+=; B12) 9.Qd2 0–0 10.c5 Qc7 11.0–0 ab4 12.ab4+=; B2) 8.b5 0–0 9.Nc3 d5 10.bc6 bc6 11.d4 ed4 12.Qd4= ; C) 7.e4 C1) 7...Bg6 C11) 8.f3 a5 9.d4 ed4 10.Bd4 C111) 10...0–0 11.b5 cb5= (11...Re8 12.Nc3=) 12.cb5=; C112) 10...c5 11.Bb2 ab4 12.ab4+=; C12) 8.Be2 a5 9.Nf3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.b5= ; C13) 8.Nf3 a5 9.b5 0–0 10.Be2 Qd7 11.Nc3 Qe6 12.Nh4+= ; C2) 7...Bg4 8.Be2 (8.f3 Be6 9.d4 ed4 10.Bd4 0–0 11.Nd2 a5 12.b5=) 8...Be6 9.Nd2 a5 10.Ngf3 (10.d4 ed4 11.Bd4 ab4= 12.ab4=) 10...ab4 11.ab4 Ra1 12.Qa1=.

6.a3 Qd7 A) 7.Nd2 A1) 7...0–0 8.Ngf3 A11) 8...Nc6 9.Be2 a6 10.0–0 Rfd8 (10...Rad8 11.e4 Bg4 12.h3=) 11.e4 Bg4= 12.Ng5= ; A12) 8...a5 9.b5 c6 10.c5 dc5 11.Ne5 Qc7 12.Qf3= ; A2) 7...a5 8.b5 (8.Ngf3 0–0 9.e4 Bg4 10.b5 a4 11.Be2 c6 12.d4=) 8...c6 (8...0–0 9.Be2 c6 10.e4 Be6 11.d4 ed4 12.Bd4=) 9.d4 ed4 10.Bd4 0–0 11.Ngf3 Rc8= 12.Qa4=; B) 7.Be2 B1) 7...a5 8.b5 c6 (8...0–0 9.Nf3 c6 10.Nc3 cb5 11.e4 Bg6 12.Nb5=) 9.Nc3 cb5 (9...0–0 10.Nf3 Qc7 11.0–0 Nbd7= 12.e4=) 10.Nb5 0–0 11.Nf3 Nc6 12.0–0=; B2) 7...0–0 8.Nf3 (8.Nd2 a5 9.b5 c6 10.e4 Be6 11.d4 ed4 12.Bd4=; 8.Bf3 c6 9.Ne2 a5 10.Ng3 Be6 11.0–0 ab4 12.ab4+=) B21) 8...Re8 B211) 9.0–0 Nc6 10.Nc3 (10.b5 Nb8 11.e4 Bg4 12.Nfd2= ) 10...a6 11.Nd5 Be6= 12.Ne7= ; B212) 9.Nc3 Nc6 10.0–0 a6 11.Nd5 a5 12.b5= ; B22) 8...a5 9.0–0 ab4 10.ab4 Nc6 11.b5 Ra1 12.Ba1= ; C) 7.Nf3 a5 8.b5 (8.Nc3 ab4 9.ab4 Ra1 10.Qa1 0–0 11.Be2 Na6 12.Qa5=) 8...0–0 9.Be2 Re8 10.0–0 Bg4 (10...Qc8 11.e4 Be6 12.Ng5+=) 11.Nc3 c6+= (11...Qd8 12.d4+=) 12.h3+=.

6.b5 0–0 A) 7.Qf3 Qc8 8.Be2 a6 A1) 9.Nc3 ab5 10.cb5 c6 11.a4 d5–/+ (11...Qd7 12.Qg3+=) 12.Qg3–/+; A2) 9.Nd2 Re8 10.a4 ab5 11.ab5 Ra1 12.Ba1=; B) 7.Nc3 a6 (7...d5 8.cd5 Nd5 9.e4 Nc3 10.Bc3 Bd7 11.Nf3 Bb5= 12.Rb1+=) 8.Qf3 Qc8 9.Be2 ab5 10.cb5 c6 11.a4 d5–/+ (11...Be6 12.Nh3+=) 12.Qg3–/+ ; C) 7.Nd2 c6 C1) 8.Ngf3 cb5 9.cb5 Qa5 (9...Qb6 10.a4 Rc8 11.Nc4 Qd8= 12.Be2=) 10.a4 Nbd7 11.Be2 a6 12.ba6+=; C2) 8.e4 Bg6 9.Ngf3 Nbd7 10.Be2 cb5 11.cb5 Qa5 12.a4=.

6.b5 a6 7.Qf3 A) 7...Bc8 8.Nd2 (8.Be2 ab5 9.cb5 0–0 10.Nd2 Be6 11.a4 c5+= 12.Nh3+=) 8...ab5 9.cb5 c6 10.d4 Bg4 11.Qg3 ed4 12.Bd4+=; B) 7...Qc8 8.Be2 B1) 8...0–0 9.Nc3 ab5 10.cb5 c6 (10...Re8 11.a3 c6 12.bc6+= ) 11.a4 d5–/+ (11...Be6 12.h3+= ) 12.Qg3–/+; B2) 8...ab5 9.cb5 0–0 10.a3 c6 11.Nc3 cb5 12.Rc1–/+.

6.b5 c6 A) 7.Nf3 A1) 7...a6 A11) 8.Nc3 ab5 9.cb5 0–0 B1111) 10.e4 Bg4 11.d4 (11.h3 Bf3–/+ 12.gf3–/+) 11...Qb6 12.de5+=; B1112) 10.a4 Nbd7 11.Be2 Qb6 12.e4+=; A12) 8.bc6 bc6 9.Nc3 Nbd7 10.e4 Bg4 11.Be2 Rb8 12.Rb1+= ; A2) 7...0–0 A21) 8.Be2 cb5 9.cb5 a6 (9...Nbd7 10.0–0 Rc8 11.Nbd2 Qc7 12.Nc4=) 10.ba6 Na6 (10...ba6 11.Nbd2 Nbd7 12.0–0=) 11.0–0 (11.Nc3 Qa5 12.e4+= ) 11...Qb6+= 12.Ba3+=; A22) 8.Nc3 a6 9.e4 Bg4 10.bc6 bc6 11.Be2 Nbd7 12.0–0= ; A3) 7...cb5 8.cb5 0–0 (8...Qa5 9.Nc3 0–0 10.Qd2 Nbd7 11.e4 Bg4= 12.Be2=) 9.Nc3 Nbd7 10.e4 Bg4 11.h3 Bf3 12.Qf3+=; B) 7.d4 e4 B1) 8.Be2 cb5 9.cb5 d5 10.Qd2 0–0 11.Ba3 Nbd7 12.Be7+= ; B2) 8.d5 cb5 9.cb5 Nbd7 10.Nc3 Nc5 11.f3 (11.Rc1 Ng4 12.Ba3+=) 11...Rc8+= (11...0–0 12.g4+= ) 12.g4+=; B3) 8.Ne2 cb5 9.cb5 d5 10.Nbc3 Nbd7 11.Rc1 0–0 12.Qb3+= ; B4) 8.Qa4 0–0 9.Nc3 d5 10.Rb1 dc4 11.bc6 Nc6 12.Ba3+= ; B5) 8.Nd2 cb5 9.cb5 0–0 10.Ne2 d5 11.Qb3 Nbd7 12.Nf4+= ; B6) 8.Nc3 cb5 9.cb5 d5 10.Rc1 0–0 11.Nge2 Nbd7 12.Qb3+= ; C) 7.Nc3 C1) 7...Qa5 8.Nf3 (8.Qd2 a6 9.bc6 Nc6 10.e4 Be6 11.Nf3 Rc8 12.Be2=; 8.Rc1 a6 9.bc6 bc6 10.Nf3 Nbd7 11.Qd2 Rb8 12.Be2+=) 8...Nbd7 9.Qd2 a6 10.bc6 bc6 11.Be2 Rb8= 12.0–0=; C2) 7...0–0 C21) 8.e4 Be6 (8...Bg6 9.Nf3 a6 10.bc6 bc6 11.Be2 Nbd7= 12.0–0=) 9.Nf3 a6 10.bc6 Nc6 11.Be2 b5 12.0–0+=; C22) 8.Nf3 a6 9.e4 Bg4 10.bc6 bc6 11.Be2 Nbd7 12.0–0= ; C3) 7...cb5 8.cb5 (8.Qf3 Qd7 9.Nb5 Bg4 10.Qg3 Nh5 11.Nc7 Kd8 12.Qg4–+) 8...d5 9.d4 (9.Nf3 d4 10.ed4 ed4 11.Nb1 Bb4 12.Nbd2+=) 9...e4 10.Nge2 Nbd7 11.Rc1 (11.Ng3 Be6 12.Be2+=) 11...Nb6+= ( 11...0–0 12.Qb3+=) 12.Ng3+=.

6.b5 Qd7 A) 7.Nc3 A1) 7...a6 8.Nf3 (8.Qa4 Qd8 9.Nf3 Nbd7 10.Qc2 c6 11.bc6 bc6 12.Be2=) 8...0–0 9.e4 (9.Be2 ab5 10.cb5 c6 11.e4 Bg6 12.0–0=) 9...Be6 (9...Bg4 10.Be2 ab5 11.cb5 Bf3 12.Bf3=) 10.d4 ed4 11.Nd4 ab5= 12.cb5=; A2) 7...0–0 A21) 8.Nf3 a6 (8...Re8 9.Be2 a6 10.e4 Bg4 11.0–0 ab5= 12.cb5=) 9.e4 Bg4 10.h3 Bf3 11.Qf3 ab5 12.cb5+=; A22) 8.e4 Bg6 9.Nh3 a6 10.f4 ab5 11.cb5 Ng4 12.Rc1= ; B) 7.d4 B1) 7...e4 B11) 8.Be2 0–0 9.Nc3 a6 10.Qa4 (10.d5 Rc8 11.Rb1 ab5+= 12.cb5+=) 10...Qd8 11.Nd5 Nd5 12.cd5=; B12) 8.Ne2 0–0 9.Ng3 a6 10.Qa4 Bg6 11.Be2 h5 12.Nc3= ; B2) 7...ed4 8.Bd4 0–0 (8...a6 9.Nf3 ab5 10.cb5 Be6 11.Qc2 c5 12.bc6=) 9.Nf3 c5 10.Bc3 d5 11.cd5 Nd5+= 12.Bc4=; C) 7.Nd2 a6 8.a4 (8.Qa4 0–0 9.Ngf3 Qd8 10.e4 Bg4 11.d4 ed4 12.Bd4=) 8...0–0 9.Ngf3 (9.Be2 ab5 10.ab5 Ra1 11.Qa1 Re8 12.Ngf3=) 9...Rd8 (9...c5 10.Be2 ab5 11.ab5 Ra1 12.Qa1=) 10.Be2 ab5 11.ab5 Ra1= 12.Qa1=.

6.b5 Be6 A) 7.Nf3 a6 8.ba6 (8.Nc3 0–0 9.Be2 ab5 10.cb5 Nd5 11.Nd5 Bd5+= 12.a4=) 8...Ra6 9.Be2 0–0 10.0–0 Rb6 11.Qc2 Nc6 12.Nbd2=; B) 7.d4 B1) 7...e4 8.d5 (8.Nc3 a6 9.d5 Bf5 10.Nge2 ab5 11.cb5 Nbd7 12.Nd4=) 8...Bc8 9.Nc3 Nbd7 10.Nge2 Nc5 11.Ng3 0–0 12.Qd4+=; B2) 7...Nbd7 8.Nf3 (8.Be2 0–0 9.Nf3 e4 10.Nfd2 c6 11.Nc3 d5 12.0–0=; 8.Nd2 ed4 9.Bd4 a6 10.ba6 Ra6 11.Qb1 Qa8 12.Ngf3+=) 8...e4 9.Nfd2 c6 10.Nc3 cb5 11.Nb5 0–0= 12.Nc3=.

6.b5 Bg6 A) 7.Nf3 A1) 7...0–0 8.Be2 Bf5 A11) 9.0–0 a6 10.a4 A111) 10...Nbd7 11.Nc3 (11.d4 ab5= 12.ab5=) 11...ab5 12.ab5=; A112) 10...ab5 11.ab5 Ra1 12.Ba1=; A12) 9.Nc3 a6 10.e4 Bg6 11.0–0 ab5 12.cb5=; A2) 7...Nbd7 8.Be2 a6 9.0–0 A21) 9...0–0 10.ba6 ba6 11.Nh4 (11.Nc3 Rb8 12.Rb1= ) 11...Rb8 (11...c6= 12.Ng6+= ) 12.Ng6=; A22) 9...ab5 10.cb5 0–0 11.Nh4 d5 12.Ng6=; A3) 7...a6 8.Be2 Nbd7 (8...ab5 9.cb5 Bf5 10.Nc3 c5 11.0–0 0–0 12.Qc2=) 9.0–0 A31) 9...0–0 10.ba6 A311) 10...Ra6 11.Nh4 c6 (11...Nc5= 12.Ng6+=) 12.Ng6=; A312) 10...ba6 11.Nh4 Rb8 12.Ng6=; A32) 9...ab5 10.cb5 0–0 11.Nh4 d5 12.Qc2=; A4) 7...Qd7 8.Be2 a6 9.d4 (9.Qa4 0–0 10.Nc3 Qe6 11.Nh4 Bh5 12.Nd5+=) 9...e4 10.Nh4 ab5 11.Ng6 fg6= 12.Qb3=; B) 7.Be2 B1) 7...0–0 8.Nf3 Bf5 9.Nc3 a6 10.e4 Bg6 11.0–0 ab5= 12.cb5=; B2) 7...Qd7 8.Nf3 a6 B21) 9.d4 e4 10.Nh4 ab5 11.Ng6 hg6 (11...fg6= 12.Qb3=) 12.cb5=; B22) 9.Nc3 0–0 10.0–0 ab5 11.cb5 c6 12.Nh4=; B3) 7...a6 8.Nf3 ab5 9.cb5 Bf5 10.0–0 c5 11.a4 (11.Nbd2 0–0= 12.a4=) 11...Nbd7 12.Bc3= ; B4) 7...Nbd7 8.Nf3 a6 9.0–0 B41) 9...0–0 10.ba6 ba6 11.Nh4 Rb8 (11...c6= 12.Ng6+=) 12.Ng6=; B42) 9...ab5 10.cb5 0–0 11.Nh4 d5 12.Ng6=.

6.Nd2 0–0 7.Be2 (7.Ngf3 a5 8.b5 Nbd7 9.Be2 Nc5 10.e4 Bg6 11.0–0 a4=; 7.a3 a5 (7...Re8 8.Ngf3 a5 9.b5 Nbd7 10.e4 Bg4 11.Be2 Nc5= ; 7...Bd7 8.Be2 a5 9.b5 Be6 10.Ngf3 c6 11.0–0 cb5=) 8.b5 c6 9.e4 Bg6 10.Ngf3 cb5 11.cb5 Nbd7=; 7.Qf3 Qc8 8.Be2 Nc6 9.a3 a6 10.Qg3 Re8 11.b5 Nd8+=) 7...Nbd7 (7...Re8 8.Ngf3 a5 9.b5 Nbd7 10.0–0 Nc5 11.e4 Bc8=; 7...a5 8.b5 Nbd7 9.Ngf3 Nc5 10.e4 Bd7 11.0–0 a4=) 8.Qc2 (8.Ngf3 a5 (8...c5= 9.a3 Qb6 10.Qb3 cb4 11.ab4 d5=) 9.a3 c6 10.0–0 Qb6 11.c5 Qc7=) 8...c6 (8...a5 9.ba5 Ra5 10.Ngf3 Nc5 11.0–0 Na4=) 9.e4 (9.Bc3 c5 10.Ngf3 cb4 11.Bb4 Qc7=) 9...Be6 10.Ngf3 Ne8 (10...Qb6 11.a3= a5=) 11.Nf1 (11.d4 ed4 12.Nd4 Qb6=) 11...f5 (11...d5+=) 12.ef5 Bf5 13.Ne3 Bg6 14.a3 Nc7 15.h4 Bh5 (15...Nf6 16.c5 e4 17.cd6 Bd6 18.de4 Be4 19.Qc4 Bd5 20.Nd5 cd5 21.Qb3+=) 16.g4 (16.Ne5!? Be2 17.Nd7 Bd3 18.Qd3 Qd7 19.Rd1=) 16...Bf7+= 17.0–0–0 (17.h5!?+=) 17...a5–/+ 18.ba5 Ra5 19.Nf5 Be6 20.Ne7 (20.d4 Bf5 21.gf5 ed4 22.Nd4 Nc5–/+ (22...Bh4?! 23.Kb1=)) 20...Qe7 21.Rdg1 Rfa8 (21...Rf4!?–+) 22.Ng5 d5 (22...Nf6 23.Kd1–/+) 23.d4+= h6 (23...e4 24.f3=) 24.Qh7= Kf8 25.Ne6 Qe6 26.de5 (26.g5 hg5 27.de5 d4 28.Rg5 Qh6 29.Qh6 gh6+/–) 26...dc4 27.Qf5 (better is 27.g5!? Ne5 28.Qh8 Kf7 29.Bh5 Ke7 30.Qg7 Kd6 31.gh6 Nd3 32.Kb1+=) 27...Qf5+= 28.gf5 Ne5 29.f4 Nf7 (29...Nd3 30.Bd3 cd3 31.Rg7 Rc5 32.Kd2 Rc2 33.Kd3 Rb2 34.Rc7 Ra3 35.Kd4 Rd2 36.Kc5 Rd5 37.Kb4 Re3+=) 30.Rg7 (30.Bg7!? Ke7 A) 31.Bc4? Rc5–+ (31...Rf5 32.Re1 Kd6 33.Bf7 Rf7 34.Bh6=); B) 31.Rd1=) 30...Rf5 (30...c3!? 31.Bc3 Ra3 32.Rf7 Kf7 33.Bh5 Ke7 34.Bb4 Kf6 35.Ba3 Ra3–+) 31.Rf1 b5 32.Bg4 (32.Rg6 h5 33.Re1 A) 33...Rf4 34.Bg7 Ke7 35.Bf3 Kd8 36.Bf6 Kc8 37.Bc6 Ra3 38.Rg8 Ne8 39.Bb2+– (39.Ree8?! Kc7 40.Rc8 Kb6+/–; 39.Be8?! Rf6 40.Bf7 Kc7 41.Re7 Kd6=); B) 33...Nd5 34.Bg7 Kg8 35.Bd4 Kh7 36.Rg7 Kh6+/–) 32...Rd5 (32...c3 33.Bc3 Rc5 34.Kb2 Rc3 35.Rf7 Kf7 36.Kc3 Ra3 37.Kb4 Ra4 38.Kc5 Rc4 39.Kd6 Ne8 40.Ke5 Rc5 41.Kd4 Rd5 42.Kc3–+) 33.Bf3 (better is 33.Rg6 Rd6 34.Bg7 Kg8 35.f5=) 33...Rd6?? (better is 33...c3 34.Bc3 Rc5–/+ (worse is 34...Ra3 35.Bb4 Kg7 36.Ba3+=)) 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.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 d5 7.de5+= Bb4 8.Kf1 Ne4 9.f3 (9.cd5 Bf5+=) 9...Ng5 (9...dc4!? 10.Qd8 Rd8 11.fe4 b5+=) 10.cd5+/– (worse is 10.Qd5 Qe7 11.Qd4 Nc6+=) 10...b6? (better is 10...h6+/–) 11.h4+– 1–0. Wall,Bill – Silverback, internet, 2005.

6.Ne2 e4 7.d5 Na6 8.Qd2 c6 9.dc6 bc6 10.a3 Rb8 11.Ng3=.

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

6.Be2 ed4!?

7.Qd4 c5 8.bc5 dc5 +=.

7.Qd4 Nc6+=.

6.de5 de5

7.Qb3 a5 8.b5 (8.a3 ab4 9.ab4 Ra1 10.Ba1 Nbd7+=) 8...Nbd7 (8...Ne4 9.a3 Bh4 10.g3+=) 9.Nc3+= Nc5 10.Qc2 e4 11.Rd1 Bd6 12.Nd5 Nd5 13.Rd5 (13.cd5 Bf5+=) 13...Be6 14.Rd1 Qe7 15.a3 Rad8 16.Qc3 (16.Be2 Qg5 17.g3 Nd3 18.Bd3 ed3 19.Rd3 Bf5–/+) 16...f5 (16...Qg5 17.Ba1–/+) 17.Qa5 b6 18.Qd2 f4 19.Qc1? (better is 19.Bd4!?–/+) 19...Bg4–+ Black intends f3 20.Rd5 (20.Be2 Be2 21.Ne2 Nd3 22.Rd3 ed3 23.Nc3–+) 20...f3 (better is 20...fe3 21.f3 ef3 22.gf3 Rf3 23.Nf3 Bf3–+) 21.gf3+= ef3 22.Qc2 Bf4 (22...Be6 23.Rd4+=) 23.h3 (23.Bh3 Bh3 24.Nh3 Rd5 25.cd5 Be3–+) 23...Rd5 (23...Bf5 24.Qc3 (24.Rf5 Rf5 25.Nf3 Bg3–+) 24...Ne4 25.Qg7 Qg7 26.Bg7 Be3 27.Bf8 Bf2 28.Kd1 Nc3 29.Kc1 Nd5 30.cd5 Be3 31.Kb2 Rf8 32.h4–+) 24.cd5 Bf5 (24...Bh5 25.Bd4 Bd6=) 25.Qc3 (25.Qc4 Be3 26.d6 Qe6 27.dc7 Bf4 28.Qe6 Be6 29.Nf3 Bd5+=) 25...Na4 (better is 25...Ne4!? 26.Qg7 Qg7 27.Bg7 Kg7 28.ef4 Re8 29.Nf3 Ng3 30.Ne5 Nh1+=) 26.d6+= Bd6? (better is 26...cd6!? 27.Qb3 d5+=) 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 (9.Qd8 Bd8 10.Nf3 Bf5+=) 9...Bf5 (9...0–0 10.Be2+=) 10.Ngf3 (10.Qb3 Rb8+=) 10...0–0 (10...Qb6 11.Qb3+=) 11.Be2 Qc7 12.0–0 Rad8 13.Qb3 Rd7 14.Rfd1 (14.Rad1 Rfd8+=) 14...Rfd8 15.a3 (15.Bc3 b6+=) 15...Bd3 (15...b6 16.Qb5+=) 16.Bd3 Rd3 17.Bc3 (17.Qb5 Ne4!? 18.Ne4 Rd1 19.Ne1 R1d7–+) 17...Qd6 18.Re1 (18.Qc2 Ne4!? 19.Bd4 Nd2 (worse is 19...Nd4 20.ed4 Rd2 21.Nd2 Nd2 22.Qd2+=) 20.Nd2 Rd2 21.Rd2 cd4–+ (worse is 21...Nd4 22.ed4 cd4 23.Qd3+=)) 18...Qe6 19.Rac1 (19.Qb2 b6+=) 19...b6 (19...R8d7 20.e4+=) 20.Qc2+= Ng4 (20...Ne4 21.Ne4 Qe4 22.Nd2+=) 21.Rcd1 f6 (21...Bd6 22.e4+=) 22.h3 (22.Bb2 Nge5+=) 22...Nge5–/+ Exerts pressure on the isolated pawn 23.Be5 Ne5 24.Ne5 fe5 25.Nf3 e4 (25...Ra3 26.Rd8 Bd8 27.Rd1–/+) 26.Rd3 Rd3 (26...ed3!? 27.Qa4 Rd7–/+) 27.Nd2+= Bf6 28.Rd1 h6 29.a4 Kh8 30.Rb1 (30.a5 ba5 31.Qa4 Bc3–/+) 30...Bc3 31.Nf1 (31.Nf3–/+) 31...Ba5 (31...Qc4 32.Ng3–/+) 32.Rd1 (32.Rb3 Qg6+=) 32...Rc3–/+ 33.Qe2 (33.Rd8 Kh7 34.Qb2–/+) 33...a6 (better is 33...Qc4!? 34.Rd8 Kh7–/+) 34.Rd5+= Kh7 35.Ng3 Bb4 (35...Rc1 36.Kh2 Bc3+=) 36.Kh2 (better is 36.Nf5!?=) 36...b5–/+ 37.ab5 (37.Qh5 Rc4 38.Re5 Qg6 39.Qg6 Kg6 40.Re6 Kg5 41.Ra6 ba4 42.Ra4 Kf6=) 37...ab5 38.Qh5 Rc4 39.Re5 Qg6 40.Qg6 Kg6 41.Ne4 Re4 (better is 41...Ba5!? 42.f4 Bc7 43.Rc5 Rc5 (worse is 43...Re4 44.Rc6 Kh7 45.Rc7=) 44.Nc5 Bb6+=) 42.Re4+/– Ba3 (42...Kf6 43.f4+/–) 43.Re6 Kf5 (43...Kf7 44.Rc6+/–) 44.Re8 (44.Rb6!? b4 45.Rb5+/–) 44...b4 45.e4 (45.Kg3 b3 46.e4 Kf6 47.e5 Kf5–/+) 45...Kf6 (45...Kf4 46.e5+=) 46.e5 Kf7 47.Rb8 c4 48.Rc8 (48.f4 c3 49.Rc8 Ke6+=) 48...b3 (48...b3 49.Rc4 b2 50.Rc7 Ke6=). Zulauff,Harri – Felkel,Siegfried, TT–18 ETC, 2005.

6.Bd4 0–0 7.Nf3 (7.b5 c5 8.Bc3 d5+=) 7...c5 (7...Nc6 8.Bc3+=) 8.Bc3 cb4 9.Bb4 Nc6 10.Bc3 Bg4 (10...d5 11.Nbd2+=) 11.Bd3 (11.Nbd2 Rc8=) 11...Ne5 (11...d5 12.0–0+=) 12.0–0 (12.Be2 Qc7=) 12...Nf3 (12...Bf3 13.gf3 Rc8 14.Bd4+=) 13.gf3 Bh3 14.Re1 Re8 (14...d5 15.Qb3+=) 15.Nd2= d5 16.Rb1 (16.Qb3 Bc5 17.Nf1 Be6+=) 16...dc4 17.Bc4 b6 (17...Nd5 18.Qb3 Bb4 19.Nf1 Bc3 20.Bd5 Qg5 21.Ng3 Be1 22.Bf7 Kh8 23.Be8 Bf2 24.Kf2 Re8 25.Qd3+=) 18.Qb3= Rf8 19.Rbd1 (19.Red1 Qc8=) 19...Qc8 (19...Qc7 20.Rc1=) 20.Qb5 (20.e4 Be6=) 20...Qf5 (20...Be6 21.Bd4+=) 21.Qf5= Bf5 22.e4 (22.Be5 Rac8+=) 22...Bg6 (22...Be6 23.Bf6 Bf6 24.Be6 fe6 25.e5=) 23.f4 (23.e5 Nh5=) 23...h6 (23...Rac8 24.f5 Bh5 25.Rc1=) 24.f5+= Bh5 25.e5 Bd1 26.ef6 Bf6 27.Bf6 gf6 (27...Bg4 28.Be7 Rfe8 29.f6+=) 28.Rd1 Rac8 (28...Rfd8 29.Bb3+=) 29.Bd5 Kh7 (29...Rfd8 30.Ne4+=) 30.Ne4+/– Rg8 (30...Rfd8 31.Nf6 Kg7 32.Ng4+/–) 31.Kf1 Kg7 32.Nd6 (32.Ke2+/–) 32...Rc3 (better is 32...Rcd8!? 33.Bb3 Kf8+/–) 33.Bf7+– Rf8 34.Bb3 (34.Ne4 Rcc8 35.Bd5 Rcd8+–) 34...Rd8+/– 35.Ke2 Rc6 (35...Kf8!?+/–) 36.Rg1+– Kh7 37.Ne4 (better is 37.Nf7 Re8 38.Kd3+–) 37...Re8 (better is 37...b5+–) 38.Bd5 Rc2 39.Kd3 Rb2 (39...Re4 40.Ke4 Rf2+–) 40.Nf6 1–0. Wall,Bill – Luigi, internet, 2006.

6.Bd4 Nc6 7.Bc3 0–0 (7...Ne4 8.Bg7 Bf6 9.Bh8 Bh8 10.Bd3–/+) 8.b5= Ne5 9.Nf3 Nf3 10.Qf3 d5 11.Nd2 a6 (11...Be6 12.Rc1=) 12.ba6 Ra6 (12...ba6 13.Bd3=) 13.cd5+= Bg4 14.Qf4 Nd5 15.Qg4 Rg6 16.Qa4 Nc3 17.Qb3 Rc6 18.Bc4 (18.Nf3 Bf6 19.Bc4 b5–+) 18...Bf6–/+ 19.Rc1 (19.Qb7?? Rc4! 20.Qf3 Ne4 21.Ne4 Ba1–+) 19...Rc4 (19...Qd7 20.Nb1 Rb6 21.Qc2 Nb1 22.Rb1 Bc3 23.Kf1 Rb1 24.Qb1–/+) 20.Qc4+= (20.Nc4? Qd3 21.Qc2 Qc4–+) 20...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 (14...Bc8 15.Rfe1=) 15.Ne5+= Be6 16.Nb3 Ra7 17.Rfe1 Qc8 18.Bc1 Kg7 19.Bg5 Bf5 (19...Re8!?+=) 20.Bf5+/– Qf5 21.Qf5 gf5 22.Nd7 Nbd7 23.Re7 (< 23.cd7 Bd6 24.Bf6 Kf6=) 23...Nb8 24.Rc1 Ne4 (24...Rc8 25.Re2+=) 25.Bf4+/– Na6 26.a3 Kf6 27.Rd7 Re8 (27...Rc8 28.f3 Ng5 29.Rd5+–) 28.Rd5 Raa8 (28...Kg6 29.Re1+–) 29.f3 Ng5 30.Be5 (30.Rb5 Ne6 31.Be5 Kg6+–) 30...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 (9...b6 10.cb6 c6 11.Nc3+=) 10.b6= Re8 11.Ne2 Na6 12.a3 Nc5 13.dc5 Bc5 14.Qc2 Bb6 15.Nbc3 (15.0–0 Ne4+=) 15...Ne4 (15...Ng4 16.Nd1 Qh4 17.g3+=) 16.Ne4 de4 17.Be4 (17.Bc4 e3 18.fe3 Re3+=) 17...Qh4+/– 18.Ng3 Bf5 19.f3 (19.Nf5 Qe4 20.Qe4 Re4 21.Ne3 Be3 22.fe3 Re3 23.Kf2 Rb3=) 19...Be4 20.fe4 Bc7 21.0–0–0 Bg3 22.hg3 Qg3 (22...Qe4 23.Qe4 Re4 24.Rh4=) 23.e5+= g6 (23...h6 24.Rd7+=) 24.Rh3 Qg5 25.Kb1 Rad8 26.Rf1 Rd2 27.Qb3 Exerts pressure on the backward pawn 27...Re7 28.Rhf3 (28.e6 fe6 29.Rhf3+–) 28...Qg2= 29.Ba1 (29.Ka1 Rdd7=) 29...Rd5+= 30.a4 (30.R1f2!? Qg1 31.Rf1–/+) 30...b5 31.e6 Re6 32.Bb2 (32.Rf7 Qe4 33.Ka2 Rd2 (33...Qa4 34.Qa4 Re2 35.Kb1 Re1 36.Re1 ba4 37.Rc7 Rb5 38.Ka2 Rb8 39.Rf1 h5 40.Rg7 Kh8 41.Rb7 Kg8 42.Rb8 Kh7 43.Rh8) 34.Bb2 Qa4 35.Qa4 Rb2 (35...ba4?? 36.Rf8) 36.Kb2 ba4+/–) 32...f5 (32...Re7 33.Qc3 Rde5 34.Qc6 Re2 35.Qb5 Qg4=) 33.R1f2?? (33.ab5!? Qe2 34.bc6=) 33...Qg5 (better is 33...Qg1 34.Ka2 Qd1–+) 34.ab5–/+ Qd8 (better is 34...Qg1!? 35.Ka2 Qd1 36.Qd1 Rd1–/+) 35.Qc3 Rd7?? (35...Rde5 36.Rd3 Qf6 37.bc6 Re1 38.Ka2 Qc3 39.Bc3 R1e2 40.Re2 Re2 41.Bd2 Re7+–) 36.Rd2 (better is 36.bc6 Rd1 37.Kc2+–) 36...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 (8...d5!? 9.a3 a5=) 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 (18...Bc8!?+=) 19.Ne5= Be5 20.d6 (20.a5!?=) 20...Qc6+= 21.Bf3 Qf3 22.Qf3 Bf3 23.de7 Bd1 (23...Bc3 24.Bc3 Bd1 25.Rd1 Re7 26.a5 ba5 27.Rd8 Ne8 28.Ba5=) 24.Re5 Ng4?? (better is 24...Bb3 25.Nd5 Nd5 26.cd5 f6+=) 25.Rd5+– (25.Nd1?! Ne5 26.Be5 Re7=) 25...h6?? (25...Bf3 26.Rd8 Bc6+–) 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 (8...Re8 9.Be2+=) 9.Be2= Re8 10.0–0 Nc6 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 (10.Bd3 Bd6 11.0–0 Nbd7=) 10...Nbd7 (10...Re8!?=) 11.d6+= Bf3 (11...Ne5 12.Nb5 Re8 A) 13.de7? Nf3 14.gf3 Qe7 15.Kd2 Ne4 16.Kc2 Nf2 17.fg4 Nd1 (17...Nh1? 18.Qf3+–) 18.Rd1 Rad8–+; B) 13.Be5+=) 12.gf3 Ne5 13.Nb5 Bd6 14.Nd6 (14.Qd6?! Nf3 15.Kd1 Ng4+=) 14...Nf3? (better is 14...Qe7!? 15.Ne4 Rad8+=) 15.Qf3+– Qe7 (15...Qd6 16.Bf6 Rae8 17.Be2 gf6 18.Kf1+– (18.Qb7 Qe5 19.0–0 Qe2–/+)) 16.Be2 Nd7?? (16...Qd6 17.Rd1 Qb6 18.Bf6 gf6+–) 17.Rg1 (17.Nf5 Rae8 18.Ne7 Re7+–) 17...g6 18.Nf5 Qd8 19.Nh6 1–0. (235) Bonetti,Shane – userin, ICC, 2002.

7.Nf3 d5 8.c5 b6 9.a3 a5 10.cb6 (10.Bd3!?+=) 10...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 (18.Ne4 de4 19.Nd2 Be2 20.Qe2 Ra2–/+) 18...Qa5 19.Bb2 Rb8 20.Nc3 Nc6 21.Ne4 de4 (21...Rb2?! 22.Ng3–/+) 22.Ne1 Rb2 23.Bg4 Rd2 24.Qb1 Qd5 25.Nc2 Bg5 26.Rd1 Rd1 27.Qd1 Bf6 28.Qb1 (better is 28.Ne3 Qd4 29.Bf5=) 28...g6–/+ (worse is 28...Nd4 29.Nd4 Qd4 30.Bf5+=) 29.Bc8 Nd4 30.Nd4 Bd4 31.Bb7 Qc4 32.Be4 Qe2 33.Kh1 Qf2 (33...Bf2?! 34.Qb8 Kg7 35.Qe5 f6 36.Qc7 Kg8 37.Qd8 Kf7 38.Qd7 Kf8 39.Qd6 Kf7 40.Qd7 Kf8 41.Qd6 Kf7 42.Qd7=) 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 (10.Bc1 b6=) 10...Nd7 (10...Bg4 11.0–0=+) 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 (worse is 18...Nc3 19.Qc3 Rf4 20.Ra2=) 19.Ra2 (19.Nh4? A) 19...Nc3 20.Ng6 (20.Qc3?! Qh4 21.Qg3 Qf6=) 20...hg6 21.Qc3+/–; B) 19...Qh4 20.Re3 Qf2 21.Kh1 Rae8–+) 19...Qf6 20.Re3 Rae8 21.Rae2 a6 (worse is 21...Nc3 22.Re8 (worse is 22.Qc3 Re3 23.Re3 Bg5+=) 22...Ne2 23.Qe2+/–) 22.Be1 (worse is 22.Nh4 Nf2 (22...Qh4?! 23.Be1=) 23.Qd2 Nh3 24.Kh2 Re3 (worse is 24...Qh4 25.Rh3 Qg4 26.Re5+=) 25.Qe3 Qh4 26.Qh3 Qh3 27.Kh3 Rf3 28.Kg2 Rc3 29.Re8 Kf7–/+) 22...h5? (22...Bg5 23.Ng5 Qg5 24.f3+=) 23.Qb3 (23.Nh4 Qh4 24.f3 Qh3+–) 23...hg4? (better is 23...Ng5 24.Nh4 Nh3 25.Kf1 Re3 26.Re3 hg4+/–) 24.Nh4+– gh3 25.Re4 Re4 26.Re4 Kh7?? (26...g5 27.Ng2 hg2+–) 27.Re3 (27.Re3 Qg5 28.Rg3+–) 1–0. Bonetti,Shane – prawngrabber, ICC, 2002.

6.ed4 d5

7.a3 0–0 8.Nf3 Bg4 9.c5 (9.Qb3+=) 9...Nc6 (better is 9...Re8!? 10.Be2 Bf3 11.gf3 Nh5–/+) 10.Be2 Ne4 11.Nbd2 Bf6 (11...Nd2 12.Qd2 Bf3 13.Bf3=) 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 Will d4 fall? 26.Rd1 Re4 27.Qd2 Qd2 28.Nd2 Re6 29.Nf3 Re2 30.b5 ab5 31.ab5 Na7 32.Rb1 b6 33.cb6 (33.c6 Rc2 34.Bd2 Bd4 35.Nd4 Rd2=) 33...cb6+= 34.Ne5 Rc2 35.Ba1 Ra2 (35...Be5 36.de5 Rc5 37.Bd4 Rb5 38.Rb5 Nb5 39.Bb6=) 36.Bc3 (36.Nc6 Nb5 37.Rb5 Ra1 38.Kh2 Rc1+=) 36...Ra3+= 37.Bd2 Ra4 38.Be3 (better is 38.f4!?=) 38...Be5–/+ 39.de5 d4 40.Bd2 Ra2 41.Bf4 Ra5 42.Rb4 Nb5 (42...Rb5?! 43.Rd4 Nc6 44.Rd6=) 43.Kh2 Kf8 (43...g5 44.Bd2 Kg7–/+) 44.Rc4 (better is 44.Bd2!?–/+) 44...Ke7–+ 45.Rc6 Nc3 (better is 45...Kd7!? 46.Rc4 Ke6–+) 46.Rb6–/+ Nd5 47.Rb7 Ke6 48.Bg3 d3 49.Rb2 Rc5 50.Rd2 Nb4 51.f4 Rc2 52.Be1 Kd5?? (better is 52...Kf5 53.Rd1 Nd5–/+) 53.Kg1?? (better is 53.Rd1 Nc6 54.Rd3 Ke4 55.Rd2+=) 53...Kc4 (53...Rc1 54.Kf2–+) 54.Kf2 (54.Rd1 Nd5 55.Bd2 Kd4–+) 54...Nd5 (54...Rc1 55.Rb2 Rc2 56.Rc2 dc2 57.Bd2–+) 55.g3 Nc3 56.Kf3 (56.e6 Ne4 57.Ke3 Nd2 58.ef7 Nf1 59.Ke4 Re2 60.Kf5 Re1 61.f8Q–+) 56...Nb1?? (better is 56...Rc1 57.Bf2 Nb1–+) 57.Rd1–/+ Nc3 58.Bc3 (58.Rd2 Rc1 59.Bf2–+) 58...Kc3–/+ (58...Rc3?! 59.Ke3=) 59.Ke3 Re2 60.Kf3 Kc2 (60...Rh2 61.Rc1 Kb2–+) 61.Ra1+= Rd2 62.Ra2 Kc3 63.Ra3 Kb4 64.Ra7 Rd1 (64...Re2 65.Rf7 Re1 66.Rb7 Kc3 67.Rc7 Kd4 68.Rg7=) 65.Rb7 (better is 65.Rf7 Re1 66.Rb7 Kc3 67.Rc7 Kd4 68.Rg7=) 65...Kc3= 66.Rc7 (66.Rf7 Rf1 67.Kg2 d2 68.Rc7 Kb4 69.Kf1 d1Q 70.Kf2 Qd4 71.Kf3 Qd3 72.Kf2 g5 73.Rb7 Kc5 74.Rc7 Kb6–+) 66...Kd2 67.Rd7 (better is 67.Kf2=) 67...Ke1?? (better is 67...Rf1 68.Ke4 Re1 69.Kf3 f6 70.ef6 gf6+=) 68.Ke3+/– (68.Rf7?! d2 69.Rg7 Ra1=) 68...d2 69.Rd3 (better is 69.f5!?+/–) 69...Rb1? (better is 69...g6 70.Rd5 Kf1+=) 70.Kd4. Enxtuul,Altanolzii (1975) – Pogonina,Natalija (2470), 1st WMSG Blitz Team w, 2008.

7.c5 0–0 8.Be2 b6 (8...a6 9.Nf3=) 9.Nc3 (9.Nf3 a5+=) 9...Nc6 (9...a5 10.a3+=) 10.a3 Nd4?? (better is 10...bc5 11.dc5 Rb8+=) 11.Qd4+– bc5 12.bc5 Bb7? (better is 12...Rb8!? 13.Bc1 c6+–) 13.Nf3 Rb8 14.0–0 Nd7? (14...Bc8 15.Ra2 c6+–) 15.Nb5 (better is 15.Nd5 f6 16.Ne7 Qe7 17.Rfe1 Qc5 18.Qd7 Bf3 19.Bd4+– (19.gf3?! Rb2 20.Rac1 Qg5 21.Kf1 Kh8+–)) 15...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.Qc3 Bf5 8.Nd2 a5 9.b5 Nb4 10.Kd1 Rg8+= (10...Bc2 11.Kc1+=) 11.h3+=.

7.Qd2 0–0 8.Bd3 Ne5 9.Nc3 Nd3 10.Qd3 d5 11.a3 dc4 12.Qc4 c6 13.Nf3 Be6 Black gets strong initiative 14.Qe2 Nd5 15.Rd1 Qc8 16.0–0 Nb6 17.Nd4? (better is 17.Nd2!?=) 17...Bc4–/+ 18.Qh5 Bf1 19.Kf1 Nc4 20.Bc1 Qc7 21.Qg4 Ne5 (21...Bf6 22.Nf5 Bc3 23.Qc4–+) 22.Qg3 Rac8 (22...Rad8 23.e4–+) 23.f4 (23.Nf5 g6–/+) 23...Ng6–+ 24.Bb2 Rcd8 25.Nce2 Bf6 26.Rc1 (26.e4 Rfe8 27.e5 Be7–+) 26...Rd5 (26...Rfe8 27.Kg1–+) 27.Qf3 (27.e4 Rd7 28.e5 Bh4–/+) 27...Rfd8 28.g3 (28.Nc3 R5d7 29.Ne4 Bd4 30.Bd4 f5–+) 28...Qe7 29.Qf2 (29.Nc3 R5d7 30.Ne4 Re8 31.Nf6 Qf6–+ (31...gf6?! 32.Re1–/+)) 29...Re8 30.Nc3 Rdd8 31.Nd1 Qe4 32.Kg1 Nf8 33.Qf1 Nd7 34.Qg2 Nb6 35.Ba1?! (35.Qe4 Re4 36.Kf2–+) 35...Qd3 (35...Bd4?! 36.Qe4 Re4 37.Bd4–+) 36.Nf2 (36.Qf2–+) 36...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.

7.Qd2 Bf5 8.a3 a5 9.b5 Ne5 10.f4 Ned7 11.Bd3+=.

5.d4 Nbd7

6.a4 0–0 7.Bd3 Re8 8.Ne2 ed4 (8...e4 9.Bc2+=) 9.Nd4+= d5 10.Nc2 a5 (10...dc4 11.Bc4 Nb6 12.Bd3+=) 11.b5 Nc5 12.Nc3 Bg4 13.f3 Be6 14.cd5 Nd5 (14...Nd3?! 15.Qd3 Nd5 16.Nd5 Bd5 17.0–0–0=) 15.Be2 Bh4 16.g3 Qg5?? (better is 16...Bf6 17.Ra3 Nb4–+) 17.Nd5+/– (17.gh4?? Qh4 18.Kf1 Bh3 19.Kg1 Re6–+) 17...Bg3 18.hg3 Qg3 19.Kf1 Rad8 20.Qd4 Rd5 21.Qh4 Qh4 22.Rh4 Rd2 23.Bd1 (23.Rc1 Nb3 24.Ke1 c5+/–) 23...Red8 (23...Bb3 24.Rd4 Rd1 A) 25.Rdd1?! Na4 26.Ke2 Nb2+= (worse is 26...Bc2 27.Rdc1 Bb3 28.Ra3+/–); B) 25.Rad1 Ba4 26.b6 cb6 27.R4d2+=) 24.Rd4 Bh3 (better is 24...R8d4!? 25.Bd4 Nd3+=) 25.Ke1+/– R2d4 26.Bd4 Ne6 (26...Nb3 27.Rb1 Be6 28.Be2+/–) 27.Ra3 (27.Bc3 Ra8+–) 27...g5 28.Be2 (28.Rc3+–) 28...f5? (better is 28...Bf5 29.Bd3 Bd3 30.Rd3 h5+/–) 29.Bc4+– Kf7 30.Rc3 Rd7 31.Be5 Ke7 32.Be6 Ke6 33.Bc7 h5 Black prepares g4 34.Nd4 Kf7 35.Ba5 f4 36.Rc7 Rc7 37.Bc7 g4 (37...fe3 38.a5 Bc8+–) 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?? (17.h3 fe4 18.hg4 Nd3 19.Kd2 A) 19...Nb2 20.Qe4 Rb8 A1) worse is 21.Rh7 Bb7 22.Qg6 Qf6 (22...Bf3?? 23.Qh5 Qg5 24.Qg5 Kh7 25.gf3+–) 23.Qf6 Rf6+=; A2) 21.Qh7 Kf7 22.Rh6+/–; B) 19...Qb7–/+) 17...h6 (17...fe4 18.Bg5 Qe6–+ (18...ef3?! 19.Be7 fe2 20.Be2–+)) 18.ef5 (18.Be3 fe4 (18...Ne3?! 19.Qe3 fe4 20.Nd2–/+) 19.Bc5 ef3 20.gf3 Bb7 (20...dc5?! 21.fg4 Bb7 22.Rg1–/+) 21.fg4 Bh1–+ (worse is 21...dc5 22.Rg1–/+)) 18...Bf5 (18...e4 19.Rb1 Nd3 20.Kd2 Ndf2 21.Rg1–+) 19.Qd2? (19.Qa2!?–/+) 19...Be6 20.h3 Ne4 21.Qc2 Ngf2 22.Rg1 Nc5 (better is 22...Rf3!? 23.gf3 Qh4–+) 23.Bh6 Nfe4 24.Be3 Bf5 25.Bc5 Nc5 26.Qd2? (26.Qc3–/+) 26...Kh8?? (better is 26...Nb3 27.Qc3 Na1 28.Qa1 Bh3–+) 27.Qg5 Qg5 28.Ng5 Rab8 29.g4 Bd7 30.Rg3 Rb2 31.0–0–0 (31.Be2 Ba4 32.Rf3 Kg8–/+) 31...Rff2 (better is 31...Ra2 32.Rf3 Rf3 33.Nf3 Nb3 34.Kb1 Rf2–+) 32.Bd3?? (32.Rd6 Ra2 33.Be2 Rfe2 34.Rd2 Rad2 35.Rf3 Kg8 36.a4 Ba4 37.Rf8 Kf8 38.Nh7 Ke7 39.Nf6 Rd1) 32...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 (8.Be2 d5 9.a3 dc4=) 8...Ne5+= 9.Be2 (9.a3 c5 10.Nf3 cb4 11.ab4 Be6=) 9...Re8 (9...c5 10.bc5 dc5 11.Nf5 Qd1 12.Kd1 Bf5 13.Be5+=) 10.a3 (10.0–0 c5 11.bc5 dc5=) 10...Bf8 (10...c5 11.Nf3=) 11.0–0 Qe7 (11...a5 12.Nc3=) 12.Nc3+= c6 13.Re1 g6 (13...Bg4 14.Rb1=) 14.Qd2 Bg7 (14...Be6 15.Ne6 Qe6 16.Qd4+=) 15.Rad1 Bg4 16.f3 Bd7 17.h3 (17.f4 Neg4 18.e4 a5+=) 17...d5 18.cd5 Nd5? (better is 18...cd5 19.f4 Nc4 20.Nd5 Nd5 21.Bc4 Ne3+/–) 19.f4+– Bh3 (19...Nc3 20.Qc3 c5 21.bc5+–) 20.gh3 (20.fe5 Bg2 21.Kg2 Qg5 22.Bg4 Qg4 23.Kf2 Qh4 24.Kf3 Re5 25.Nd5 Qe4 26.Ke2 Rd5=) 20...Qh4 (20...Nc3 21.Bc3 Nd7+–) 21.Nd5?? (21.Kg2 Nc3 22.Bc3 Nd7+–) 21...cd5?? (21...Qg3 22.Kh1 Qh3 23.Kg1 Qg3 24.Kf1 Qh3 25.Kf2 Qh2 26.Kf1 Qh1 27.Kf2 Qh2 28.Kf1 Qh1 29.Kf2 Qh2=) 22.fe5?? (better is 22.Kg2 Nc4 23.Bc4 dc4 24.Nf3+–) 22...Qg3= 23.Kh1 Qh3 24.Kg1 ½–½. Bonetti,Shane – roofrunner, ICC, 2002.

7.Nd4 Ne5 8.b5 0–0 9.Nd2 c5 (9...Bg4 10.f3 Bd7 11.Be2=) 10.N4f3 (10.bc6 Nc6 11.Bd3 Ne5=) 10...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 (18.Rd2!?+=) 18...Nb6= 19.Qc2 g5 20.h3 h5 21.Nh2 Qf7 c4 draws heavy fire 22.Rc1 (22.Rd6 Rfd8 23.Bh5 Qh5 24.Re6 Kf7 25.Rf6 Kf6 26.Ng4 Ke6 27.Ne5 Rd6+/–) 22...Kh7 (22...Qg6 23.Nf3 g4 24.hg4 hg4 25.Ne5–/+) 23.Rfd1+= Rg8 24.f3 (24.Nf3 Nd7=) 24...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 (57...Re7 58.Ke1+=) 58.Qc2 (58.Ke1 Re7=) 58...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 (27.Kd2 Kc7=) 27...Bd8 (27...Ng8 28.f3 ef3 29.Bf3–/+) 28.Kd1 (28.Na4 Ng8 29.Nb6 Nb6 30.ab6 Nh6+=) 28...Nf8 (better is 28...Ng8!?–/+) 29.Ne1 Ne6 30.Nc2 Bc7 31.Ke1 Kd7 32.Kf1 Ke7 33.Kg2 (33.Na4 Ng8+=) 33...Nf8 34.Ne1 Ng6 35.Kh3 Nf8 36.Ng2 (36.Kg2 N6d7+=) 36...Ne6 37.Ne1 Nf8 38.Ng2 (38.Kg2!?=) 38...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 ( 8...d5!? 9.a3 Be6=+) 9.g3= Qf6?? ( 9...Qe7 10.Qc2 Bf5 11.gh4 Qh4 12.Kf1 Nc6=) 10.Be4+– (10.gh4?? Qf2) 10...Bg5 11.Qd3 g6 12.Nf3 Bh3 (12...Nc6 13.a3 Bh3+–) 13.Ng5 Qg5 14.Bb7 Re8 15.Qd2 Re3 (15...Nd7 16.Ba8 Ra8+–) 16.Kf2 Qe7 (16...Nd7 17.Ba8 Nf6 18.Re1 (18.Qe3?? Ng4 19.Ke1 Qe3 20.Kd1 Nf2 21.Kc2 Bf5 22.Be4 Be4) 18...Ng4 19.Kg1+–) 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 (better is 19.Ne2 Na4 20.Nc3 Nc3 21.Qc3–+) 19...Na4 20.Kd2 (20.Ba1 Ba3 21.Kd2 Bb4 22.Ke2 Nc3 23.Kf2–+) 20...Nb2 21.Qb2 (21.Rb1 Ba3 22.Ne2 Nc4 23.Ke1 Bd6–+) 21...Ba3 22.Qb1 Bd6 23.Be2 (23.Rc1 Ra2 24.Rc2 Qa5 25.Ke2–+) 23...Ra2 24.Kd1 (24.Qb2 Rb2 25.Kc1 Qa2 26.Bd3 Qa1 27.Bb1 Qb1) 24...Rfa8 (24...Qa5 25.Qa2 Qa2 26.Bc4 Bc4 27.Re2 Qb1 28.Kd2 Bb4) 25.Rh2 Qa5 (25...Qb3 26.Qb3 Bb3 27.Kc1 Ba3 28.Kb1 Bc2 29.Ka2 Bc1 30.Ba6 Ra6) 26.Bc4 Bc4 (better is 26...Qa4 27.Rc2 Bc4 28.Ree2–+) 27.Ra2 Ba2 28.Qc2 (28.Qb2 Bc4 29.Ne2 Qa4 30.Kd2 Be2 31.Ke2 Qc4 32.Kf2 Ra2–+) 28...Qa3 (28...Qb5 29.Ne2 Bb3 30.Rg1 Bc2 31.Ke1 Ra1 32.Kf2 Qe2 33.Ke2 Bd3 34.Kf2 Ra2 35.Ke1 Bb4 36.Kd1 Ra1) 29.Ke2 Bb3 30.Qc1 Qa2 31.Kf1 b5 (better is 31...Bc4 32.Ne2 Bg3 33.d5 cd5 34.Kg2 Be1 35.Qe1 Be2 36.Kg3–+) 32.g5 (32.Re2 Bc4 33.Kf2 Be2 34.Ne2 Rc8–+) 32...Bc4 33.Re2 Bg3 (better is 33...Bh2 34.Ke1 Qa1 35.Rc2 Bg1 36.Qa1 Ra1 37.Kd2 fg5 38.f6 gf6 39.h4–+) 34.Kg2 Be2 35.Kg3 Bf3 36.Nf3 ef3 37.Kf3 Qd5 38.Kf4 (38.Kg3 fg5 39.Qf1–+) 38...fg5 39.Kg3 Rf8 (39...Ra2 40.Qf1 Qe4 41.h4 Qe3 42.Kg4 Rg2 43.Qg2 Qf4 44.Kh5 Qh4) 40.Qc2 Qf5 41.Qf5 Rf5 (41...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 A) 7.a3 d4 8.ed4 ed4 9.Nb5 c5 10.Qa4 (10.Bd3 a6 11.Nd4–+ cd4–+) 10...Nc6 11.Bf3 a6–+; B) 7.cd5 Bb4 8.Qb3 a5 9.a3 B1) 9...Bc3 10.dc3 (10.Bc3 Qd6 11.Bc4+= Rd8+=) 10...a4 11.Qd1 Bf5=; B2) 9...Bd6 10.Nf3 Re8 11.d3 Nbd7=.

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 a5 7.b5 c6 8.Nf3 (8.a4 Bf5 9.Nf3 Nbd7 10.0–0 Rc8 11.Nbd2 Qc7 12.e4=; 8.Nc3 d5 9.cd5 Nd5 10.Nf3 Bb4 11.Rc1 cb5 12.0–0+=; 8.Na3 d5 9.Nc2 Nbd7 10.Nf3 dc4 11.dc4 Qc7 12.Rb1+=) 8...cb5 9.cb5 a4 10.0–0 Qb6 11.d4 e4 12.Nfd2=.

6.d3 a6 7.Nf3 =+.

6.d3 Na6 7.a3 c5 A) 8.Qd2 Re8 9.Nf3 e4 10.Ng5 cb4 11.Ne4 Ne4 12.de4+= ; B) 8.bc5 Nc5 9.Nf3 Be6 (9...Qb6 10.Ra2 Bd7 11.Nc3 Rfe8 12.d4= ) 10.0–0 (10.Nc3 Rc8 11.0–0 Qa5 12.d4=) 10...Qb6 11.Ra2 Rfe8= 12.Nc3=; C) 8.Bc3 d5 9.Be5 cb4 10.cd5 Qd5 11.Nf3 Rd8 12.0–0= ; D) 8.b5 Nc7 9.Nf3 Re8 10.Nc3 Bg4 11.0–0 a6 12.b6=.

6.d3 Bd7 7.Nf3 A) 7...a5 8.b5 c6 (8...a4 9.0–0 c6 10.Nc3 a3 11.Bc1 Qa5 12.Rb1=) A1) 9.Nc3 a4 10.0–0 a3 (10...Re8 11.bc6 Bc6 12.a3+= ) 11.Bc1 cb5+= 12.Nb5=; A2) 9.a4 Bf5 10.0–0 Nbd7 11.Nbd2 Qc7 12.e4=; B) 7...Re8 8.0–0 (8.Nc3 Bg4 9.0–0 a5 10.b5 Nbd7 11.h3 Bf5 12.d4=) 8...Bg4 9.Nc3 Nbd7 10.h3 Be6 11.Ng5 Nf8= 12.f4=; C) 7...a6 8.Nc3 (8.0–0 Nc6 9.a3 Re8 10.Nc3 Bg4 11.d4 ed4 12.Nd4=) 8...a5 9.b5 Bg4 10.0–0 Nbd7 11.Nd2 Be6 12.f4+=; D) 7...d5 D1) 8.a3 e4 9.Ne5 a5 10.Nd7 Qd7 (10...Nbd7 11.cd5 ab4 12.0–0=) 11.cd5 Qd5= 12.de4= ; D2) 8.Ne5 Bb4 9.Nd2 dc4 10.Nec4 Nc6 11.a3 Be7 12.0–0=.

6.d3 Nbd7 7.Nf3 a5 8.b5 Re8 9.0–0 a4 10.d4 e4 11.Nfd2=.

6.d3 Re8 7.Nf3 d5 8.a3 (8.Be5 Bb4 9.Bc3 Nc6 10.d4 dc4 11.Bc4 a5 12.a3=) 8...a5 9.Be5 ab4 10.ab4 Ra1 11.Ba1 Bb4 12.Bc3=.

6.d3 h6 7.Nc3 (7.Nf3 d5 8.Be5 Bb4 9.Bc3 Nc6=) 7...c6 (7...d5 8.a3+=) 8.Nf3= Nh7 (8...Qb6 9.a3=) 9.d4 Qc7 (9...ed4 10.Nd4 d5 11.a3+=) 10.Qb3 (10.0–0 Nf6+=) 10...Be6 (10...Nf6 11.0–0+=) 11.d5 (11.0–0 Nf6+=) 11...Bf5 (11...Bg4 12.0–0=) 12.0–0 Bg6 (12...Nf6 13.Nd2=) 13.Rac1 (13.Rad1 Nd7+=) 13...Nd7 14.Rfd1 c5 (14...Nhf6 15.dc6 bc6 16.Nh4=) 15.Bd3 (15.a3 Nhf6=) 15...f5 (15...Bd3 16.Rd3 Nhf6=) 16.e4 (16.Nb5 Qb6 17.Bb1+=) 16...Ng5+= 17.Ng5 Bg5 18.Rc2 cb4 19.Qb4 Nc5 20.Re2 (20.f3 Be3 21.Kh1 Nd3 22.Rd3 Bc5–+) 20...Rac8 (20...a5 21.Qa3 Bh5 22.f3 Nd3 23.Rd3 Qc4 24.Nd1–/+) 21.Bb1 (21.ef5 Nd3 22.Rd3 Bf5 23.Rf3–/+) 21...a6 (better is 21...a5!? 22.Qa3 fe4–/+) 22.ef5= Bf5 23.Bf5 Rf5 24.Ne4 Ne4 25.Re4 Rcf8 26.f3 Rf4 27.Rde1 Re4 28.Re4 Rf4 29.Rf4 (29.Kh1 Re4 30.fe4 Be3=) 29...Bf4 30.Kf2 (30.Kh1 Be3=) 30...b5 (30...Bh2 31.Ba3 Qd8 32.Kf1+= (32.Qd6? Qh4 33.Ke2 Qc4 34.Kd1 Qf1 35.Kc2 Qg2 36.Kb1 Qf3–+; 32.Qb7?? Qh4 33.Ke2 Qc4 34.Kd1 Qd3 35.Kc1 Qa3 36.Kb1 Qd3 37.Kb2 Qe2 38.Kc3 Qg2–+)) 31.g3 (worse is 31.cb5 Qc2 32.Kf1 Qd3 33.Ke1 ab5–/+ (33...Qd5?! 34.g3 Be3 35.ba6=)) 31...Qb6 (31...Bg5 32.Ba3+= (32.cb5 Qc2 33.Kf1 Qd3 34.Kf2 Qe3 35.Kf1 Qf3 36.Ke1 Qh1 37.Ke2 Qh2 38.Kd3 Qg3 39.Kc4 Qg4 40.Kb3 Qd1 41.Ka3 Be3–+)) 32.c5 dc5 The passed pawn on d5 will quickly become a dangerous weapon 33.Qe4 (33.Qc3 c4 34.Kf1 Bg5+=) 33...c4+= 34.Kg2 (34.Kf1 Bd2 35.Be5 Be3=) 34...Bg5 (34...Qa5 35.gf4 Qd2 36.Kh3 Qb2=) 35.Be5= Bf6 (35...Qc5 36.Qg6 Qe7 37.f4=) 36.d6+= Be5 37.Qe5 Qd8 38.Kf2 (38.Qd5 Kf8+=) 38...Kf7 (38...c3 39.Qd5 Kf8 40.Ke3=) 39.Qd5+= Ke8 (39...Kf8 40.Qc6+=) 40.Qc6 (40.Qg8 Kd7 41.Qg7 Kd6 42.Qh6 Kc5 43.Qe3 Kc6+/–) 40...Qd7 41.Qa6 Kf7 42.Qb6 (42.a4 ba4 43.Qc4 Kf6+/–) 42...Ke6+= 43.Ke3 (43.Ke1!?+=) 43...Qd6+= 44.Qb5 Qa3 (44...Qd3 45.Kf2 Qd2 46.Kf1 Qa2 47.Qc6 Ke5 48.Qc5 Kf6 49.Qd6 Kf7 50.Qd7 Kg8 51.Qe6 Kh7 52.Qf5 g6 53.Qf7 Kh8 54.Qg6 Qh2+=) 45.Kd4?? (better is 45.Kd2 Qa2 46.Kc3 Qa1 47.Kc4 Qf1 48.Kc5 Qf2 49.Kb4 Qf3 50.Qe8 Kd6 51.Qd8 Ke6 52.Qc8 Kf7 53.Qd7 Kg6 54.Qd6 Qf6 55.Qd3 Qf5 56.Qe2=) 45...Qd3–+ 46.Kc5 Qd5 47.Kb4 Qb5 (47...Qb5 48.Kb5 c3–+) 0–1. Kaliszewski,Tomasz (2190) – Starczewska,Malgorzata, Warsaw–ch, 1997.

6.d4 e4 7.d5 (7.Nc3 d5 (7...Bf5 8.g4 Bc8 9.a3 d5 10.g5 Ne8 11.cd5 Nd6=) 8.a3 c6 9.cd5 cd5 10.Rc1 a5 11.b5 Be6+=; 7.a3 a5 8.d5 Nbd7 9.Nd2 Ne5 10.ba5 Qd7 11.Bc3 c6=; 7.Qc2 d5 (7...Bf5 8.Nc3 d5 9.Nd5 Nd5 10.cd5 Bb4 11.Bc3 Bc3+=; 7...a5 8.b5 c6 9.Nc3 Bf5 10.d5 cb5 11.Nb5 Na6+=; 7...c6 8.a3 d5 9.cd5 cd5 10.Nd2 Bf5 11.Rc1 Bd6+=) 8.a3 c6 9.cd5 cd5 10.Nd2 a5 11.ba5 Qa5+=) 7...c6 (7...Nbd7 8.Nd2 Ne5 9.Bd4 c6 10.dc6 Nc6 11.Bc3 Be6+=; 7...a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Na6 11.Qd2 c6+=; 7...Bf5 8.g4 Bc8 9.Nc3 Na6 10.a3 Re8 11.g5 Nd7+=) 8.Qc2 (8.Nc3!?= Bf5 9.g4 Bg6 10.h4 h5 11.g5 Nfd7+=) 8...cd5–/+ 9.cd5 Nd5 10.Nd2 (10.Qe4 Bf6 11.Bf6 Qf6–/+) 10...Nb4 11.Qe4 d5 12.Qb1 Qc7 13.Bd1 N8a6 14.a3 Nc6 15.Qd3 (15.Bc2 f5–/+) 15...Be6 16.Bc2 (16.Rc1 Rfe8–/+) 16...f5 17.Ngf3?? (17.Qb5 Nc5–/+) 17...Nc5 (better is 17...Ncb4 18.ab4 Nb4–+) 18.Qe2–/+ Bf6 19.Bf6 Rf6 (worse is 19...gf6 20.0–0=) 20.0–0 Re8 21.Rfc1 Ne4 22.Ba4 Nd2 (22...f4!?–/+) 23.Qd2+= f4 24.ef4 Rf4 25.Bc6 bc6 26.Rc6 Qf7 (26...Qc6 27.Qf4 Qc3 28.Qd4 Qd4 29.Nd4=) 27.Ng5 Qf6 28.Ne6 (28.Re1 Qg5 29.Rce6 Re6 30.Re6 Rd4=) 28...Qa1+= (worse is 28...Re6 29.Rc8 Kf7 30.Rc7 Kg6 31.Rac1=) 29.Rc1 Rf2 (29...Qc1! 30.Qc1 Rc4=) 30.Kf2+= (30.Ra1?? Rd2 31.Re1 d4–+) 30...Qa3? (better is 30...Qf6 31.Nf4 g5+=) 31.Rc6 (better is 31.Qd5 Qb2 32.Kg3+–) 31...Rf8? (31...Rb8 32.Nd4 a5+/–) 32.Nf8 Qf8 33.Kg1 Qe8 (33...Qf5+–) 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 (10...a5 11.a4=) 11.d4 (11.0–0 Bf5=) 11...ed3+= 12.Qd3 Qd3 13.Bd3 Nb4 14.Bb1 Be6 15.Nd2 Rfd8 16.Ke2 (16.e4 Bd6=) 16...Ng4 (better is 16...Rd7 17.e4 Re8+=) 17.a3? (17.Rd1 Bh4 (worse is 17...Nh2 18.a3+=) 18.Nce4 A) 18...Nh2? 19.Rh1+– (worse is 19.Nc5 Bc4 20.Nc4 Rd1 21.Kd1 Rc8+/–); B) 18...b6+=) 17...Nc6 (17...Nf2!? 18.ab4 Nh1 19.Be4–+) 18.Nce4 (18.f4 Na5 19.Nd5 Bd5 20.cd5 Rd5=) 18...f5 (18...Rd7 19.f3 Nh6 20.Rd1–/+) 19.Ng3 g6 20.f3 (20.Bc3 Rd7–/+) 20...Nge5 (20...Rd2 21.Kd2 Rd8 22.Ke1 Ne3 23.Kf2 Ng2 24.Bc1–+) 21.Rc1 (21.Be5 Ne5 22.Rc1 Rd7–/+) 21...Rd2!–+ 22.Kd2 Decoy theme: d2 22...Nc4 Theme: Double Attack 23.Rc4 Bc4 24.Ba2 (24.Bc2 Rd8 25.Ke1 Bg5–+) 24...Rd8 25.Kc2 Ba2 26.Ra2 c4 27.Bc3 (27.Ra1 b5–+) 27...b5 28.e4 fe4 29.Ne4 a5 Black plans b4 30.Ra1 Rd3 (30...b4 31.ab4 ab4 32.Ra6–+) 31.Rb1 (31.Ra2 Kf7–+) 31...b4 32.ab4 ab4 33.Bb2 (33.Bf6 b3 34.Kc1 Re3–+) 33...b3 34.Kc1 Nb4 (34...Bb4 35.Bf6–+) 35.Be5 (35.Bf6 Bf6 36.Nf6 Kg7–+) 35...Nc2 36.Nd2 (36.Nf6 Bf6 37.Bf6–+) 36...Ba3 37.Kd1 Bb4 Black prepares c3 38.Bf4 Na3 39.Rb2 Bd2 (better is 39...c3!? 40.Rb3 c2 41.Ke2 c1N 42.Kf2 Nb3 43.Ne4–+) 40.Bd2 c3 41.Rb3 c2 (41...c2 42.Ke2 Rb3–+) 0–1. Cienciala,L – Petkevich,Jusefs (2450), Wisla Hugart op POL, 1999.

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.

7.Nf3 Nbd7 (7...a6 8.0–0 Nc6 9.a3 Re8 10.d4 ed4 11.Nd4 Nd4=; 7...a5 8.b5 Nbd7 9.d4 Re8 10.0–0 Bg4 11.e4 a4=; 7...c6 8.0–0 Na6 9.a3 c5 10.bc5 Nc5 11.d4 Ncd7=; 7...e4 8.Nd4 d5 9.a3 a5 10.b5 c5 11.Ne6 fe6+=; 7...d5 8.Ne5 Bb4 9.Qb3 Na6 10.cd5 Bc3 11.Qc3 Nd5=) 8.0–0 Nb6 9.d3 a5 10.b5 Nfd7 (10...a4 11.a3= Re8=) 11.Nd2.

6.Nc3 Bf5

7.d3 d5 (7...c5 8.b5 a6 9.Nf3 ab5 10.Nb5 Nc6 11.0–0= Qd7=) 8.cd5 Bb4 9.e4 Bc8 10.Nf3 Qe7 11.Qb3 Bc5=.

7.d4 Nc6 8.de5 de5 9.a3 a6 10.Nf3 e4 11.Nd4= Nd4=.

7.Nf3 Nc6 8.b5 Na5 9.0–0=.

7.Nf3 Nbd7 8.d4 c6 9.0–0 e4 (9...Re8 10.a3 Qc7 11.Nh4 Be6+=) 10.Nh4 Be6 11.f4= Nb6+=.

7.Nf3 h6 8.a3 (8.0–0 Nbd7=) 8...Nbd7 (8...a5 9.0–0=) 9.0–0 c6 10.d3 (10.d4 Re8=) 10...Bh7 (10...Nb6 11.Nd2=) 11.Nd2 (11.d4 Bf5+=) 11...d5 (11...a5 12.b5=) 12.cd5 cd5 13.Qb3 Nb6 Black prepares the advance d4 14.a4 (14.Nf3 Qd6+=) 14...d4 (14...Qd6 15.a5 Nbd7 16.Ra4=) 15.ed4 ed4 16.Nb5 Nbd5 17.Ba3?? (better is 17.Rfd1=) 17...Nf4–+ 18.Rfe1 (18.Bf3 a6 (18...Bd3?! 19.Rfe1–/+) 19.g3 Nd3 20.Bb7 ab5 21.Ba8 Qa8 22.ab5 Qb7–+) 18...a6 (18...Ne2 19.Re2 a6 20.Rae1 ab5 21.Re7 ba4 22.Qc4–/+) 19.Nd4 Qd4 20.Bf1 (20.Rad1 N6d5 21.Bf3 Bb4 (21...Qd3?! 22.Qd3 Bd3 23.g3–/+; 21...Bd3?! 22.Bb2 Qb4 23.Bd5–/+) 22.Bd5 Qd5 23.Qd5 Nd5 24.Bb4 Nb4–+) 20...Ng4 (20...Nd3?! 21.Bd3 Bd3 22.Nf3–+; 20...Bd3?! 21.Rad1 Ng4 22.Ne4–+) 21.Nf3 Qf2 22.Kh1 Bd6 23.a5 (23.b5 Bd3 24.Ra2 Ba3 (24...Bf1?! 25.Rf2 Nf2 26.Kg1 Bg2 27.Kf2 Ba3 28.Qa3–+) 25.Rf2 Nf2 26.Kg1 Bc5–+) 23...Rfe8 (23...Nh3! 24.gh3 Qf3 25.Bg2–+) 24.d4 (24.Re8 Re8 25.d4 Re3–+) 24...Be4 (better is 24...Re1 25.Re1 Bd3 26.Qb2–+) 25.Ra2 (25.b5 Bd3! 26.Re8 Re8 27.Qa2 Bf1 28.Qf2 Nf2 29.Kg1 Bg2 30.h4 Ba3 31.Ra3–+) 25...Nh3! 26.Rf2 (26.gh3 Deflection from f3 26...Bf3 Discovered attack) 26...Ngf2 0–1. Margraf,A – Bernarsi, Innsbruck, 1993.

6.d3 c6

7.Nf3 a5 8.b5=.

7.Nf3 Qb6 A) 8.Qd2 a5 9.ba5 Qa5 10.0–0 Bg4 11.Bc3 Qc7 12.h3= ; B) 8.a3 a5 9.Qa4 Bg4 10.Nbd2 (10.0–0 Nbd7 11.Nbd2 d5 12.b5+=) 10...Nbd7 11.0–0 d5+= 12.b5+= ; C) 8.Bc3 Bf5 9.0–0 Nbd7 10.Nbd2 Rfe8 11.a4 Rad8 12.Qc2=.

7.Nf3 Nbd7 8.a3 Qc7 9.Nc3 b6 10.0–0 Bb7 (10...Re8 11.d4=) 11.Rc1 (11.d4 Rfe8=) 11...Rfe8 (11...c5 12.d4=) 12.h3 (12.d4 ed4 13.Nd4 Ne5+=) 12...Nf8 (12...c5 13.e4=) 13.Qc2 (13.d4 Ng6=) 13...Ng6 (13...Ne6 14.Rfd1=) 14.d4 ed4 (14...c5 15.d5=) 15.ed4 (15.Nd4 a6=) 15...Qd7 16.Bd3 Bc8 (16...a5 17.Rfe1=) 17.Ne2 (17.d5 Nf4 18.Nd4 A) 18...Nd3? 19.dc6 (19.Qd3?! cd5 20.cd5 Bb7+=) 19...Qc7 20.Qd3+–; B) 18...cd5 19.Nd5 Nd3 20.Ne7 Qe7 21.Qd3 Bd7+=) 17...Nh5 (17...a5 18.Rfe1=) 18.Ng3 (18.d5 Bb7+=) 18...Ng3 19.fg3 Bf6 20.Rce1 Bb7 21.Bf5 Qc7 22.Kh1 (22.g4 a5+=) 22...Rad8 (22...a5 23.ba5 ba5 24.g4=) 23.Bc1 (23.g4 Re7+=) 23...Bc8 (23...c5 24.d5=) 24.g4 Bf5 25.gf5 Nf8 26.Bf4 Qd7 27.Qd3 d5 28.Be5 dc4 29.Qc4 Rc8 (29...Be7 30.Re4+=) 30.g4 (30.Bf6 gf6 31.Re8 Re8+/–) 30...h6 (30...Be7 31.f6 gf6 32.Bh2=) 31.Rd1 (better is 31.Bf6!? gf6 32.Kg2+/–) 31...Nh7 32.h4 (32.Rfe1 Ng5 33.Ng5 Bg5+=) 32...Qd8+= 33.Bg3 (33.h5!?+=) 33...Re4–/+ 34.Kh2 Rg4 35.Qc2 (35.Qb3 Re4–/+ (worse is 35...Bd4 36.Kh3 h5 37.Ne5 Rg3 38.Qg3+=)) 35...Qd5 (35...Nf8 36.h5 Qd5 37.Rde1–/+) 36.Ne5 Re4 (36...Rd4?! 37.Rd4 Qd4 38.Rd1 Be5 39.Rd4 Bd4 40.Qa4=) 37.Kh3 (37.Rfe1 Re1 (37...Rd4?! 38.Rd4 Qd4 39.Rd1 Be5 40.Rd4 Bd4 41.Qa4=) 38.Re1 Nf8–/+ (38...Qd4?! 39.Rd1 Be5 40.Rd4 Bd4 41.Qa4=)) 37...Re3–+ (37...Be5?! 38.de5 Rd4 39.Rd4 Qd4 40.Rd1=) 38.Nc4 Ree8 (better is 38...Re7–/+) 39.Nd6= Rcd8 (39...Bd4? 40.Nc8 Rc8 41.Rf4+–) 40.Ne8 Re8 41.Rde1 Rd8 (41...Re1 42.Re1 Bd4 43.Re8 Nf8 44.Qe4+=) 42.Rc1 (42.Be5 a5+=) 42...Bd4 (42...Rc8 43.Rf4=) 43.Qc6+= Nf6 (43...Qa2!? 44.Rcd1 Nf8+=) 44.Qd5+/– Nd5 45.Rf3 Bf6 46.Rc2 Ne7 47.Rc7 a5 48.ba5 ba5 49.Ra7 (49.Rc5 Rd5 50.Rd5 Nd5+/–) 49...Rd5+= Attacks the isolani on f5 50.Ra8 Kh7 51.Rf8 (51.Be1 Nc6+=) 51...Nf5 (51...h5 52.Be1+= (worse is 52.Rf7 Kg8 53.Re7 Be7=)) 52.Rf7 Kg6 53.Rb7 (53.Rf8 Kh5 54.Bf2 Ne7+=) 53...h5 (53...Kh5 54.Rbb3+=) 54.Bf2 Re5 (54...Rd1 55.Rb5 Rh1 56.Kg2 Nh4 57.Bh4 Rh4 58.Ra5+=) 55.Rf4 (55.Rb1 Kf7+/–) 55...Rd5+= 56.Rb3 Kf7 57.Rbf3 Ke6 58.Ra4 g5 59.Re4 Kd7 60.hg5 Bg5 61.a4 (61.Be1+=) 61...Nd6 (61...Bf6!?+=) 62.Rd4+/– Rd4 63.Bd4 Bd2 (better is 63...Ke6!?+/–) 64.Bc3+– Bc3 65.Rc3 Nb7 66.Rc4 Kd6 67.Kg3 (better is 67.Kh4!?+–) 67...Kd5 68.Rh4 Nc5 ½–½. Bergljung,Andreas – Carlsson,S, corr SSKK, 1985.

7.Nf3 Re8 8.0–0 (8.a3 a5 9.0–0 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Bc3=) 8...Qb6 9.a3 a5 10.Qa4 Na6 11.Nbd2 ab4 12.ab4=.

7.Nf3 Bg4 8.0–0 Nbd7 9.Nc3 d5 10.a3 a5 11.b5 dc4 12.dc4=.

6.d3 Nc6

7.a3 a6 8.Nf3 Re8 9.Nc3 (9.0–0 Qd7 10.Nc3 Qf5 11.Nd5 Bd8= 12.Nd2=) 9...Bf5 10.0–0 Qd7 11.Nd5 Be6 12.Ne7=.

7.a3 a6 8.Nf3 Bf5 9.0–0 Qd7 10.Nc3 Rfe8 11.Nd5 Be6=.

7.a3 Be6 8.Nf3 a6 9.0–0 Bf5 10.e4 Bg4 11.d4 Bf3 12.Bf3=.

7.a3 Re8 8.Nf3 e4 9.de4 Ne4 10.Nbd2 Bf6 11.Bf6 Qf6=.

7.a3 Bf5 8.Nf3 a6 9.0–0 Qd7 10.Nc3 Rfe8 11.Nd5 Be6=.

7.a3 Bf5 8.Nf3 a6 9.0–0 Re8 10.Nc3 Qd7 11.Nd5 Be6= 12.Ne7=.

7.b5 Nb8 8.Nf3 Bd7 9.0–0 a6 10.a4 c6 11.Nc3 b6 12.d4+=.

7.b5 Nb8 8.Nf3 Nbd7 9.0–0 a6 10.Qc2 ab5 11.cb5 Nb6=.

7.a3 a5

8.b5 Na7 9.Nf3 c6 10.a4 b6 11.0–0 Bb7 12.Nc3=.

8.b5 Na7 9.Nf3 c6 10.a4 Bf5 11.0–0 Qc7=.

8.b5 Na7 9.Nf3 c6 10.a4 Bg4 11.0–0= Qb6=.

8.b5 Nb8 9.Nf3 Re8 10.0–0 Nbd7 11.Nc3 Nb6+= (11...Ra7 12.d4+=) 12.d4+=.

8.b5 Nb8 9.Nf3 Re8 10.0–0 Bg4 11.Nc3 Nbd7 12.Nd2=.

8.b5 Nb8 9.Nf3 Re8 10.0–0 Bg4 11.d4 e4=.

6.d3 d5

7.a3 a5 8.b5 dc4 9.Be5 cd3 10.Qd3 Nbd7 (10...Qd3 11.Bd3 Rd8= ) 11.Bf4= c6=.

7.a3 a5 8.b5 dc4 9.Be5 Nbd7 10.Bg3 cd3 11.Qd3 c6=.

7.a3 dc4

8.dc4 e4 9.Nc3 a5 10.b5 Bd6 11.Qc2 Qe7 12.Nd5+=.

8.Be5 cd3 9.Qd3 Nbd7 10.Bc3 a5 11.ba5 Nc5+=.

8.Be5 cd3 9.Qd3 Nbd7 10.Bc3 a5 11.b5 Nc5+= 12.Qd8+=.

8.Be5 cd3 9.Qd3 Nbd7 10.Bf4 c5 11.b5 a6 12.ba6+=.

8.Be5 Nbd7 9.Bf6 Bf6 10.d4 b5 11.Nc3 c6 12.Bf3=.

6.d3 Bf5

7.Nd2 Na6 8.a3 =+.

7.Nd2 Nbd7 8.a3 (8.Ngf3 a5 9.a3 Nb6=) 8...c5 (8...Nb6 9.Ngf3=) 9.b5 (9.Ngf3 Qb6=) 9...b6 (9...a6 10.ba6 Ra6 11.Ngf3=) 10.a4 (10.g4 Be6=) 10...h6 (10...Qc7 11.Bf3 Rad8 12.Qc2=) 11.Bc3 (11.g4 Be6=) 11...a5 (11...d5 12.cd5 Nd5 13.Bb2+=) 12.Bf3 (12.Ngf3 Qc7=) 12...Rc8 (12...d5 13.e4 de4 14.Ne4=) 13.e4 Bh7 (13...Be6 14.Ne2=) 14.Nf1 (14.Ne2 Bg6=) 14...Ne8 (14...Re8 15.Ne2=) 15.Ne2 Nc7 16.g3 (16.Ne3 Ne6=) 16...Ne6 (16...f5 17.Ne3+=) 17.h4 (17.Ne3 Bg6=) 17...f5 (17...Nd4 18.Bg2+=) 18.ef5= Bf5 19.Ne3 Nd4 (19...Bg6 20.Bb7 Rb8 21.Be4+=) 20.Bd4= ed4 21.Bd5 Kh8 22.Nf5 Rf5 23.Nf4 Nf6 (better is 23...Rf6!?+=) 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 A) 9.e4 A1) 9...Bd7 10.Nc3 (10.0–0 c6 11.d4 Ne4 12.de5 de5 13.Be5 Bf5 14.Nc3 Nd7=) 10...a3 11.Bc1 Re8 12.Qb3 c6 13.0–0 Qa5 14.Rd1 Bg4+=; A2) 9...Bc8 A21) 10.0–0 Nbd7 (10...Be6 11.Nc3 a3 12.Bc1 c6 13.Rb1 Nbd7 14.d4 ed4+=) 11.Nc3 Nc5 12.Bc1 Be6 13.Be3 Ng4 14.Bc5 dc5=; A22) 10.Nc3 a3 11.Bc1 Nbd7 12.0–0 Nc5 13.Nb1 c6 14.bc6 bc6+= ; A3) 9...Be6 10.0–0 Re8 (10...c5 11.Nc3 a3 12.Bc1 Qa5 13.Rb1 Qb6 14.Rb3 h6+/–) 11.Qc2 Qd7 12.Rd1 c5 13.Nc3 a3 14.Bc1 Bg4+=; A4) 9...Bg4 10.Nfd2 Be6 11.0–0 Nfd7 12.f4 f5 13.ef5 Bf5 14.Ne4 c6=; B) 9.0–0 B1) 9...Re8 B11) 10.Qc2 e4 (10...Nbd7 11.e4 Bg4 12.h3 Bh5 13.Nc3 Nc5 14.Bc1 Nfd7=; 10...Be6 11.d4 e4 12.Nfd2 d5 13.cd5 Bd5 14.a3 Nbd7+=; 10...Bg4 11.h3 Bf5 12.e4 Be6 13.d4 ed4 14.Nd4 Nbd7=) 11.de4 Be4 12.Qc3 Nbd7 13.Nbd2 Bf5 14.Rad1 Nc5=; B12) 10.Nbd2 a3 (10...Nbd7 11.e4 Bg4 12.d4 ed4 13.Nd4 Be2 14.Qe2 Nc5=) 11.Bc3 Nbd7 12.e4 Bg6 13.Qc2 Nh5 14.Bb4 Nf4=; B13) 10.Nc3 a3 11.Bc1 e4 12.Nd4 Bg6 13.Nc2 d5 14.de4 Be4= ; B14) 10.e4 Bg4 11.Nfd2 Be2 12.Qe2 c6 13.a3 Qd7 14.Nc3 Qg4+= ; B2) 9...Nbd7 B21) 10.e4 Be6 (10...Bg4 11.Nfd2 Be2 12.Qe2 c6 13.d4 Re8 14.d5 Rc8=) 11.Ng5 Nc5 12.Ne6 fe6 (12...Ne6 13.Nc3 a3 14.Bc1=/2 14...Nd4=) 13.Qc2 c6 14.f4 ef4+=; B22) 10.Na3 B221) 10...d5 B2211) 11.d4 e4 12.Ne5 Re8 (12...Ra7 13.c5 Ne5 14.de5 Nd7=) 13.Qd2 (13.c5 Ne5 14.de5+= 14...Nd7–/+) 13...dc4 14.Nac4 Nd5= ; B2212) 11.cd5 e4 12.Nh4 ed3 13.Nf5 de2 14.Qe2 Re8+/– ; B222) 10...c6 11.e4 Bg4 12.Ng5 Be2 13.Qe2 d5 14.Rab1 Re8= ; B223) 10...Nb6 11.e4 Be6 12.Ng5 Bc8 13.f4 ef4 14.Qd2 d5= ; B224) 10...h6 11.d4 Re8 12.Nh4 Bh7 13.Nf3 ed4 14.Nd4 Nc5= ; B23) 10.Nh4 Be6 11.Nf3 c6 (11...Nc5 12.d4 ed4 13.ed4 Nce4 14.d5= 14...Bg4=) 12.Ng5 Bf5 13.e4 Bg6 14.a3 cb5+=; B24) 10.d4 ed4 11.Nd4 Be6 12.Bf3 Qc8 13.Ne6 fe6 14.Nd2 Nc5= ; B25) 10.a3 Nc5 11.Nc3 c6 (11...Re8 12.d4 ed4 13.ed4 Nb3 14.Ra2 Nh5+=) 12.Ra2 cb5 13.Nb5 (13.d4 ed4 14.Nd4 Be6=) 13...Re8 (13...Rc8 14.d4= 14...ed4=) 14.d4 ed4=.

7.Nf3 a5 8.b5 Nbd7 A) 9.Nc3 A1) 9...Nc5 10.d4 ed4 11.Nd4 Bg6 (11...Be6 12.0–0 a4 13.Ba3 Nfd7 14.f4 g6+=) 12.0–0 a4 13.a3 Re8 14.Ra2 (14.Nd5= 14...Nd5=) 14...Nfe4=; A2) 9...Nb6 A21) 10.a3 Re8 (10...a4 11.0–0 Qd7 12.Rc1 Rfe8 13.e4 Bg4 14.Ng5 Ra5=) 11.0–0 A211) 11...a4 12.e4 Bg4 A2111) 13.Ng5 Bc8 (13...Bd7 14.d4= 14...Qc8=) 14.Qc2 Ra7=; A2112) 13.Nd2 Be6 14.f4 ef4=; A212) 11...c6 12.e4 Bg4 13.h3 Bh5 14.g4 Bg6=; A22) 10.a4 Rb8 (10...Qd7 11.0–0 Rae8 12.e4 Bg4 13.Nd2 Be6 14.Nd5 Nbd5+/–; 10...Bg4 11.0–0 Re8 12.Nd2 Be6 13.Bf3 Ra7 14.Rc1 Qd7=; 10...Re8 11.0–0 Rb8 12.e4 Bg4 13.Nd2 Bc8 14.Nb3 Ra8+=; 10...Rc8 11.0–0 Re8 12.e4 Be6 13.Qd2 c6 14.Ng5 d5=; 10...c6 11.0–0 Re8 12.e4 Be6 13.Ng5 Bd7 14.d4 c5=) 11.0–0 Re8 12.Rc1 c6 13.e4 Be6 14.Ng5 Bc8=; A23) 10.0–0 a4 (10...Qd7 11.Rc1 Rfe8 12.e4 Bg4 13.Ng5 Ra7 14.f3 Bh5+=) A231) 11.e4 Bg4 (11...Be6 12.Ng5 Bd7 13.a3 h6 14.Nf3 Be6=) 12.a3 Nfd7 13.Ne1 (13.h3 Be6 14.Nd5= 14...f5=) 13...Be6 14.f4 ef4= ; A232) 11.a3 Qd7 12.Rc1 Rfe8 13.e4 Bg4 14.Ng5 c5= ; A3) 9...c6 A31) 10.0–0 d5 (10...Qb6 11.e4 Be6 12.d4 Bg4 13.Ne5 Ne5 14.Na4 Qc7+=) 11.cd5 cd5 12.Nd5 Nd5 13.e4 Bb4 14.ed5 Qf6=; A32) 10.e4 Be6 11.Ng5 Nc5 12.0–0 d5 13.Ne6 fe6 14.ed5 cd5= ; A4) 9...Re8 10.0–0 Nc5 (10...Bg4 11.h3 Bf5 12.d4 c6 13.g4 Bg6 14.Nh4 Nf8=; 10...Nb6 11.e4 Be6 12.Nd5 c6 13.Nf6 Bf6 14.a4 Qc7=) A41) 11.e4 A411) 11...Bd7 A4111) 12.Re1 a4 13.Ba3 (13.Bc1 c6 14.Be3 cb5= ) 13...Be6 14.Bc5 (14.Qc2= 14...Nfd7= ) 14...dc5=; A4112) 12.Bc1 c6 13.Rb1 Qc7 14.Be3 Ng4=; A412) 11...Be6 12.Bc1 Nfd7 13.d4 ed4 14.Nd4 Bf6= ; A42) 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.a4 Bf8=; B) 9.0–0 Nb6 10.e4 Be6 (10...Bg4 11.Nbd2 a4 12.a3 Qe8 13.d4 ed4 14.Nd4 Be2+=) 11.Nbd2 Nfd7 12.d4 ed4 13.Nd4 Nc5 14.Ne6 fe6=.

7.Nf3 a5 8.b5 e4 9.de4 (9.Nd4 ed3 10.Nf5 de2 11.Qe2 Nbd7 12.0–0 Re8 13.Qf3 Ra7 14.Bd4+/–) 9...Ne4 10.Nbd2 (10.Qd5 Qc8 11.0–0 Re8 12.a3 Bf6 13.Ra2 a4 14.Rd1=) 10...Nc5 (10...Bf6 11.Nd4 Nc5 12.0–0 Re8 13.b6 cb6 14.Nf5=) 11.0–0 (11.Nb3 Nbd7 12.0–0 Bf6 13.Nbd4 Bg6 14.Qd2=) 11...Bg6 (11...Bf6 12.Nd4 Bg6 13.Bf3 Be5 14.Bd5=) 12.Nb3 Na4 (12...Nbd7 13.Nc5 Nc5 14.Qd2=) 13.Bd4 Nd7 (13...c5 14.bc6 Nc6 15.Qd2=) 14.Rc1 (14.Qd2+=) 14...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 (33.Ne4 Qf5 34.g4 Qe5 35.Nc5 bc5+/–) 33...Qh6+= 34.h5 Re7 (34...Re6 35.Ne2 Rh8 36.Nf4+=) 35.Rh4 (35.hg6 fg6 36.Ne4 Re5+/–) 35...Kg8+= 36.Rg4 gh5 37.Nf5 hg4 38.Nh6 gh6 39.Qf5 Re4 40.Rd3 Rae8 (40...Nd3?? 41.Qe4 Rf8 42.Qd3+–; 40...Rc4 41.Rd4 Rd4 42.ed4+/–) 41.Rd4 Kg7 42.Re4 Re4 43.Qd5 g3 44.Kf1 (44.fg3 Re3) 44...Re5 45.Qc6 (45.Qd4 gf2 46.Kf2 f5=) 45...gf2+= 46.Qf3 (46.Qc7? Ne4 47.Qc6 d5–+) 46...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 (55...Nc4?! 56.Qf5 Rg2 57.Kh1=) 56.Kf1 Nc4 57.Qe2 Re4 58.Qd3 Ne3 59.Kf2 d5 60.Qb3 (60.Kf3 d4–/+) 60...Re8 ½–½. Merten,Rainer – Rohde,Friedhelm, corr SOK–96–113, 1996.

7.Nf3 a5 8.b5 Re8 9.Nc3 Nbd7 (9...c6 10.0–0 cb5 11.cb5 Qb6 12.e4 Be6 13.d4 Nbd7 14.Na4 Qc7+=) A) 10.0–0 Nc5 (10...Nb6 11.e4 Bg4 12.Nd2 Be2 13.Ne2 a4 14.a3 Qd7= ; 10...Bg4 11.h3 Bf5 12.e4 Be6 13.d4 ed4 14.Nd4 Nc5= ) 11.e4 (11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.Nb3 Nfd7= ) A1) 11...Bd7 A11) 12.Re1 a4 13.Bc1 (13.Ba3 Be6 14.Bc5 dc5=) 13...Be6 14.Be3= (14.Qc2 c6=) 14...Ng4=; A12) 12.Bc1 c6 13.Rb1 cb5 14.Nb5 Rc8=; A2) 11...Be6 12.Bc1 c6 13.Be3 Ng4 14.Bc5 dc5=; B) 10.e4 Bg4 11.0–0 Nc5 B1) 12.Ng5 Bc8 (12...Be2 13.Qe2 Nfd7 14.Nf3 Nf6+=) 13.f4 a4 14.Bc1= 14...Qd7=; B2) 12.Bc1 Qd7 13.Ng5 Be2 14.Qe2 Qg4=.

6.d4 ed4

7.ed4 c6 8.Nf3 Bg4 (8...d5 9.c5 b6 10.0–0 a5 11.a3 ab4 12.ab4=) 9.0–0 Nbd7 (9...d5 10.c5 Re8 11.Ne5 Be2 12.Qe2=) 10.Re1 (10.d5 cd5 11.cd5 Rc8 12.Nc3=) 10...Re8 (10...d5 11.c5 Re8 12.Nbd2=) 11.Nc3 (11.d5 cd5 12.cd5=) 11...h6 (11...Nb6 A) 12.Nd2 Be2 13.Re2= (worse is 13.Qe2 d5–/+); B) 12.Qb3=; 11...d5 12.c5=) 12.d5+= cd5 13.Nd5 Ne4 (13...Nd5 14.Qd5 Bf6 15.Bf6 Qf6 16.Rad1+= (16.Qb7? Rab8 17.Qa7 Re2–+)) 14.a3 (14.Nd2 Nd2 15.Qd2 Be6+/–) 14...Rc8 15.Qd4 (15.Qd3 Nef6+/–) 15...Nef6 (15...Bf6!? 16.Nf6 Qf6+=) 16.Qa7 (16.Ne3 Bf3 17.Bf3 b6+/–) 16...Nd5+/– 17.cd5 Rc2 18.Bg7 (better is 18.Bd4!?+/–) 18...Kg7 19.Nd4 (worse is 19.Qb7 Bh4 20.Qb5 Qf6–/+) 19...Be2 20.Nc2 Bf6 21.Nd4 (better is 21.Rab1=) 21...b6 (21...Nb6 22.Re2 Re2 23.Ne2 Ba1 24.Qb7 Qe8–/+) 22.Nf5+/– Kh7 23.Nd6 (23.Rac1 Re5 24.Nd6 Rd5 25.Nf7 Qe7+/–) 23...Re7 (better is 23...Rg8!? 24.Re2 Ba1 25.Nf7 Qc8+/–) 24.Nf5+– Re8 25.Rac1 Bg4 (25...Re5 26.Ne3 Bd3 27.Rc7+–) 26.Ne3 Bh5 27.d6 (27.Rc7 Ne5 28.Qb6 Bg5+–) 27...Rg8 28.Nd5 (better is 28.f4!? Bb2 29.Rc2+/–) 28...Be5? (better is 28...Bf3! 29.Nf6 Qf6+=) 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 d5 8.c5 b6 9.Nf3 a5 10.a3 c6 11.0–0 Re8+=.

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.Qd4 A) 7...Nc6 8.Qc3 A1) 8...Ne8 9.Nf3 (9.Qd2 Bf6 10.Nf3 Qe7 11.0–0 Bg4 12.Rd1 Bb2 13.Qb2=) 9...Bf6 10.Qd2 Bb2 11.Qb2 Qf6 12.Qf6 Nf6 13.a3=; A2) 8...Bf5 9.Nf3 a5 10.b5 Nb4 11.0–0 Ne8 12.Nd4= Bf6 13.Nd2=; A3) 8...a5 9.b5 Ne5 10.Nd2 Bf5 11.Rd1 Ned7 12.Ngf3 Nc5 13.Nd4= ; A4) 8...Ne5 9.Nd2 (9.Nf3 Ne4 10.Qb3 Bf6 11.0–0 Bg4 12.Nd4 Be2 13.Ne2=) 9...a5 10.ba5 Ne8 11.Ngf3 Bf6 12.Qb3 Nc6 13.Nd4=; B) 7...Be6 8.Nf3 Nc6 (8...d5 9.c5 a5 10.a3 Nc6 11.Qc3 ab4 12.ab4 Ra1 13.Ba1=) 9.Qc3 Ne8 (9...Nh5 10.Qd2 Bf6 11.0–0 Bb2 12.Qb2 Nf6 13.Rd1=) 10.0–0 Bf6 11.Nd4 Nd4 12.ed4= c5 13.Qd2=; C) 7...c5 8.bc5 C1) 8...Nc6 9.Qc3 dc5 10.Nf3 Bf5 C11) 11.0–0 C111) 11...Qc7 12.Na3 (12.Nbd2+= Rad8 13.Rad1+=) 12...Rad8 13.Nb5=; C112) 11...Re8 12.Nbd2 Qc7 13.Rfd1+=; C12) 11.Nbd2 Re8 12.Rd1 Bd6 13.Bd3=; C2) 8...dc5 9.Qc3 (9.Qd8 Rd8 10.Nc3 Nc6 11.Nf3 Bf5 12.0–0 Nb4 13.Rad1+=) 9...Nc6 10.Nf3 Bf5 11.Nbd2 Qc7 12.Rd1 Rad8 13.0–0+=.

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 a5

6.b5 c6 7.a4 cb5 8.ab5 0–0 9.Nf3 Qc7 10.Nc3 Be6 11.d3 d5 (11...Nbd7 12.Ng5=) 12.cd5+= Nd5 13.Nd5 Bd5 14.Be5 Bd6 (14...Bb4!? 15.Kf1 Qe7+=) 15.Bd6+/– Qd6 16.0–0 Nd7 17.e4 Be6 18.d4 f5 (better is 18...Rfe8+/–) 19.e5+– Qe7 (19...Qd5 20.Ng5 Rae8 21.Ra5+– (21.Ne6?! Qe6 22.Ra5 Rd8+–)) 20.d5 Bf7 21.e6 Be6 22.de6 Qe6 1–0. GuestMHHR – GuestQVYD, freechess.org, 2017.

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 (38.f5 Qa1 39.Kf2 Qb2 40.Kg3 Qb3 41.Qf3 Qf3 (41...Qa4?? 42.fg6 Kg8 43.Re8 Kg7 44.Qf8 Kg6 45.Re6 Kh7 46.Rh6) 42.Kf3 gf5 43.gf5 Kg7+–) 38...Qb2 39.Kg3 Qc3 40.Kh4 Qg7 41.g5 hg5 42.fg5 (42.Kg5!? Qh6 43.Kg4 Qh5 44.Kg3+–) 42...Qd4 43.Qd4 cd4 44.Re4 d3 45.Rd4 (45.Kg3 Kg7+=) 45...Rc7 (45...Re7 46.Kg3 Re3 47.Kg2+=) 46.Kg3 (worse is 46.Rd3 Rc4 47.Kg3 Ra4+=) 46...Rc3 47.Kf2 d2 48.Rd2 Rh3 49.Rd4 (49.Re2 Rd3 50.Re7 Kg8+=) 49...Rh1 (49...Rh5 50.Rg4=) 50.Kf3 (better is 50.Rc4!? Rh2 51.Kf3 Rh3 52.Kg4+/–) 50...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.

10.d4 Re8

11.a3 Ra7 12.Re1 Bf8 (12...ed4 13.ed4 d5 14.Qb3 Qa8 15.Ne5 Rd8 16.Qc2 Bd6+/–; 12...Qa8 13.Qa4 Bf3 14.Bf3 e4 15.Be2 Qb7 16.Qc2 Bd8+/– 1.16; 12...Qc8 13.Qa4 Qd8 14.Rad1 ed4 15.ed4 Nh5 16.Bc1 Nhf6+/–; 12...a4 13.Na4 ed4 14.ed4 d5 15.Nc3 Bd6 16.Qb3+/– 16...Qa8+/–) 13.Qc2 e4 14.Nd2 Qe7 15.Red1 Bc8 16.d5 Nc5+=.

11.a3 Rb8 A) 12.Qd2 ed4 (12...Rc8 13.Rfd1 e4 14.Nh4 d5 15.Nf5 Bf8 16.Rac1 c6+=) 13.Nd4 (13.Qd4 Ne5 14.e4 Nfd7 15.Ne5 de5 16.Qd3 Nc5=) 13...Nc5 14.Rad1 (14.f3 Nfd7 15.Nd5 Bg5 16.f4 Bf6=) 14...Nfe4 15.Ne4 Ne4 16.Qc2+= 16...Bf6+=; B) 12.Re1 Ra8 (12...Rc8 13.Qc2 ed4 14.ed4 d5 15.Ne5 c5 16.bc6 Bc6+=) 13.Qc2 B1) 13...Rc8 14.Qf5 c6 (14...g6 15.Qh3 Bf8 16.Rad1+/– 16...Bg7+=) 15.bc6 Bc6 16.Rad1 Bf8+= ; B2) 13...Qc8 14.Qf5 a4 15.Rab1 Ra5 16.Rbd1 c6+=.

11.a3 Qc8 12.Re1 A) 12...Rb8 13.Qc2 c6 14.bc6 Qc6 15.Rac1 Rbd8 16.Bd3 Rc8+= ; B) 12...ed4 13.ed4 Qd8 14.Rc1 d5 15.Qb3 Bd6 16.cd5 Bf4+= ; C) 12...Ra7 13.Qc2 Qa8 14.Qf5 Nf8 15.de5 de5 16.Ne5 Bg2+/– ; D) 12...c6 13.bc6 Qc6 14.Nb5 Qc8 (14...ed4 15.ed4 Ba6 16.d5 Qc8+/–) 15.Rc1 (15.Qd2 e4 16.Ng5= 16...h6+=) 15...e4 16.Nh4 Nb8+=; E) 12...Ne4 13.Ne4 Be4 14.Nd2 Bb7 15.Bg4 Qd8 16.Bf5 ed4+=.

11.a3 Rc8 A) 12.Re1 c6 13.bc6 Bc6 14.Qb3 Ne4 15.Ne4 Be4 16.Nd2+= (16.de5 Nc5=) 16...Bc6+=; B) 12.Rc1 c6 (12...ed4 13.Nd4 Nc5 14.Bf3 Bf3 15.Qf3 Nd3 16.Nc6 Qd7+=) 13.Qd2 cb5 14.Nb5 Ne4 15.Qc2 ed4 16.Nfd4 Ne5+=; C) 12.d5 Nc5 (12...Ra8 13.e4 Bc8 14.Qc2 Nc5 15.Bc1 h6 16.Be3 Ng4+=) C1) 13.Na4 C11) 13...Nfd7 14.Nd2 Bf6 (14...Na4 15.Qa4 Nc5 16.Qc2 Qd7+=) 15.Bg4 Ra8 16.Bf5+= 16...Bc8+=; C12) 13...Nfe4 14.Nc5 Nc5 15.Qc2 Qd7 16.Nd2 f5+= ; C2) 13.Qc2 Ra8 14.Ng5 Bc8 15.Nge4 Nfe4 16.Ne4 Bf5+=.

11.a3 ed4 12.Qd4 Ne5 (12...Nc5 13.Rad1 Ne6 14.Qd2 Ne4 15.Ne4 Be4 16.Nd4 Bf6+=) 13.e4 Nf3 14.Bf3 Nd7 15.Nd5 Ne5 16.Bh5 Bf6=.

11.a3 h6 A) 12.Qb3 ed4 (12...Qb8 13.Qc2 Qc8 14.Qf5 Ra7 15.Rad1 ed4 16.ed4 Qa8+/–; 12...Rc8 13.Rad1 ed4 14.ed4 c6 15.bc6 Bc6 16.Rfe1 Nh5+=; 12...Ra7 13.Rad1 ed4 14.ed4 c5 15.d5 Nh5 16.Rfe1 Bf6+=) 13.ed4 Nh5 14.d5 Nf4 15.Qc2 Bf6 16.Rfe1 Ne5=; B) 12.Re1 Rc8 B1) 13.d5 B11) 13...Nc5 14.Qc2 Ra8 B111) 15.Na4 B1111) 15...Ncd7 16.Rad1 (16.e4+= 16...Bc8+=) 16...Bc8+=; B1112) 15...Na4 16.Qa4 Bc8+=; B112) 15.e4 Nfd7 16.Bc1 Bc8+=; B12) 13...Ra8 14.Qc2 Bc8 15.Bd3 Nc5 16.Bf5 Bf5+= ; B2) 13.Qb1 c6 14.bc6 Rc6 15.Qf5 Ba6 16.Nd2 Nf8+=.

11.Qb3 Ra7 A) 12.Rae1 Qa8 13.Qa4 A1) 13...c6 14.a3 A11) 14...c5 A111) 15.de5 Ne5 16.Qd1 (16.Ne5= 16...de5=/2) 16...a4=; A112) 15.d5 Bc8 16.Bd3 Qb7+/–; A12) 14...ed4 15.ed4 d5 16.cd5 c5+=; A2) 13...Ne4 14.a3 ed4 15.ed4 Nc3 16.Bc3 d5+= ; B) 12.a3 Qa8 (12...Ra8 13.Rad1 ed4 14.ed4 d5 15.cd5 a4 16.Qc4 Bd6+=; 12...e4 13.Nd2 Bf8 14.Qc2 Qe7 15.d5 Nc5 16.Na4 Na4+=) 13.d5 Nc5 14.Qc2 a4 (14...Bc8 15.e4 a4 16.Rad1 Rb7+=) 15.Rae1 (15.e4 Bc8 16.Rad1 Ra5+=) 15...Qd8 (15...Bc8 16.Nd2 Qb7+= ) 16.Ng5+= (16.Nd2 Qd7+=) 16...Bc8+=; C) 12.Rfd1 Qa8 (12...ed4 13.ed4 Ne4 14.Re1 Bh4 15.Ne4 Be4 16.Qe3 Ra8+=) 13.Qc2 ed4 14.Rd4 Nc5 15.Rad1 a4 16.Nd5 Nd5+=; D) 12.Rad1 ed4 (12...Qa8 13.Qc2 ed4 14.Rd4 Nc5 15.Rfd1 a4 16.a3 Ne6+=; 12...e4 13.Nd2 Bf8 14.Qa4 d5 15.cd5 Bb4 16.a3 Bc3+=) 13.ed4 d5 14.Rfe1 Ne4 15.Ba3 Ba3 16.Qa3 dc4+=; E) 12.Nd5 a4 13.Ne7 Qe7 14.Qb4 ed4 15.Bd4 Qe6 16.Rad1 Ne5= ; F) 12.Qc2 ed4 13.Nd4 Nc5 14.Bf3 Bf3 15.Nf3 a4 16.a3 Qd7+= ; G) 12.de5 de5 (12...Ne5 13.Ne5 de5 14.Rad1 Bd6 15.Qc2 Qa8 16.f3 a4=) 13.Rfd1 Bd6 14.Qc2 Nc5 15.Ng5 h6 16.Nf3 Nfe4=; H) 12.Rfe1 Qa8 (12...Ra8 13.Rad1 ed4 14.ed4 c5 15.d5 Ne5 16.Ne5 de5+/–) 13.Qa4 Rd8 (13...e4 14.Nd2 d5 15.cd5 Bd5 16.Nd5 Qd5+=) H1) 14.Ba3 Re8 (14...Bf3 15.Bf3 e4 16.Be2 Re8+/–) 15.d5 H11) 15...Qd8 16.Bd3 (16.Rab1+= 16...Bc8+=) 16...Bc8+=; H12) 15...Bc8 16.e4 Nc5+=; H2) 14.Rac1 Re8 15.a3 Rd8 16.Qc2 Re8+=.

11.Qb3 Qb8 A) 12.Rfd1 A1) 12...ed4 13.ed4 Qa7 14.Qc2 (14.d5 a4 15.Qa3 Bc8 16.Nd4 Ne5+=) A11) 14...Rad8 15.d5 Nc5 16.Re1+= ( 16.Nd4 Qa8+/–) 16...Qa8+/–; A12) 14...d5 15.Ne5 Rad8 16.Bd3 Nf8+=; A2) 12...Ra7 13.Qc2 ed4 14.Rd4 Nc5 15.Nd5 Nd5 16.cd5 Bf6+=; A3) 12...Qc8 13.de5 de5 14.Nd5 Nd5 15.cd5 e4 16.Nd4 Nc5=; B) 12.Rad1 B1) 12...ed4 13.ed4 Qa7 (13...Nh5 14.Bc1 Nhf6 15.Rfe1 c5 16.bc6 Bc6+/–) 14.Rfe1 Nf8 (14...a4 15.Qc2 a3 16.Bc1 Qa5+/–) 15.d5 Ng6 (15...a4 16.Qc2+/– 16...N8d7+/–) 16.Bd3 a4+/– ; B2) 12...Ra7 13.de5 de5 14.Nd5 Bd6 15.Ng5 h6 16.Nf3 Qd8=; C) 12.Rfe1 Qd8 C1) 13.Rad1 Qc8 14.Qc2 c6 15.Qf5 a4 (15...cb5 16.Nb5 e4+=) 16.a3+= 16...cb5+=; C2) 13.Qc2 ed4 14.ed4 d5 15.Ne5 Bb4 16.Bf3 Ra7+=.

11.Qb3 Qc8 A) 12.Rfd1 ed4 13.ed4 d5 (13...c6 14.bc6 Bc6 15.a4 Ne4 16.Ne4 Be4+=) 14.Re1 Bb4 15.a3 (15.Rac1 c6 16.cd5 Bc3+=) 15...Bc3 16.Qc3+= 16...c6+=; B) 12.Rad1 Ne4 (12...ed4 13.ed4 Nh5 14.Bc1 Nf8 15.c5 bc5 16.dc5 dc5+/–) 13.Nd5 (13.Ne4 Be4 14.de5 Nc5 15.Qc3 de5 16.Nd2 Bb7=) 13...ed4 14.Nd4 Bf6 ( 14...a4 15.Qc2 Ndc5 16.a3 Bf6+=/2) 15.Qc2 (15.Bf3 Ndc5 16.Qc2 Be5+=) B1) 15...a4 16.Bg4+= (16.Bf3 Ndc5+= ) 16...a3+=; B2) 15...Be5 16.Bg4 a4+=; C) 12.Rae1 Qd8 (12...c6 13.a3 cb5 14.cb5 e4 15.Nd2 d5 16.f3 Bd6+=; 12...Rb8 13.a3 Ra8 14.Rd1 ed4 15.Nd4 Ne5 16.f3 Qb8+=) 13.Qc2 Ra7 14.Qf5 C1) 14...Qa8 15.a4 (15.a3 Bc8 16.Qc2 Bb7+=) C11) 15...Nf8 16.de5 (16.Qc2+= 16...Ne6+= ) 16...de5+=; C12) 15...Bc8 16.Ng5 h6+=; C2) 14...Bc8 15.Bd3 Nc5 16.dc5 Bf5–+; D) 12.Rac1 c6 (12...Qd8 13.Rcd1 ed4 14.ed4 c6 15.Rfe1 cb5 16.Qb5 Rc8+=) 13.Rfd1 Qc7 14.a3 c5 15.Nd5 (15.d5 Bc8 16.Bd3 Nf8+=) 15...Nd5 16.cd5+= 16...e4+=; E) 12.Nd5 Nd5 13.cd5 a4 14.Qc2 a3 15.Bc3 ed4 16.Nd4 Bd5= ; F) 12.Rfe1 c6 (12...Ra7 13.Rad1 Qa8 14.Qc2 a4 15.a3 ed4 16.ed4 d5+/–; 12...e4 13.Nd2 Qd8 14.Qc2 Bf8 15.f3 ef3 16.Bf3 Bf3+/–; 12...Qd8 13.Qc2 Rc8 14.Qf5 g6 15.Qh3 e4 16.Nd2 d5+=) 13.bc6 Bc6 14.a4 (14.Nd5 a4 15.Ne7 Re7 16.Qb4 Qc7+=) 14...Qd8 15.Rad1 ( 15.Red1 ed4 16.Nd4 Nc5+=/2) 15...e4 16.Nh4 (16.Nd2+= 16...Bb7+=) 16...Rc8+=.

11.Qb3 Rc8 12.Rfe1 c6 (12...Ng4 13.d5 Ngf6 14.Qc2 Ra8 15.Ng5 Nc5 16.Nce4 Nce4+=; 12...Ra8 13.Rad1 Qc8 14.Qc2 c6 15.Qf5 a4 16.a3 cb5+=; 12...h6 13.Rad1 ed4 14.ed4 c6 15.bc6 Bc6 16.Ba3 Ne4+=) 13.bc6 Bc6 14.Rab1 Bb7 (14...e4 15.Nd2 d5 16.Nd5 Nd5+=) 15.Red1 ed4 16.Nd4+= Nc5+=.

11.Qb3 ed4 12.ed4 Nh5 13.d5 (13.Rae1 Nf4 14.d5 Bf6 15.a3 Ne2 16.Ne2 Nc5=) 13...Nf4 14.Rfe1 Bf6 15.Qc2 Ne5 16.Ne5= Be5=.

11.Qb3 Bf8 A) 12.Rae1 ed4 (12...Be7 13.a3 ed4 14.ed4 c6 15.bc6 Bc6 16.Qa2 Bb7+=; 12...Ra7 13.Qc2 Be7 14.Qf5 Qa8 15.a3 a4 16.Rd1 Bc8+=; 12...Rc8 13.d5 Be7 14.Qc2 Nc5 15.Ng5 Qd7 16.f4 h6+=; 12...Qe7 13.Qc2 c6 14.bc6 Bc6 15.Qf5 Rac8 16.d5 Bb7+=; 12...e4 13.Nd2 c5 14.d5 Re7 15.Bd1 Qc7 16.Qc2 Rae8+/–; 12...Ne4 13.Ne4 Be4 14.Nd2 a4 15.Qd1 Bg6 16.f4 a3+= ) 13.ed4 A1) 13...Be7 14.d5 (14.Qc2 d5 15.Ne5 Bb4 16.Bf3 Ra7+= ) 14...Nc5 15.Qc2 a4 16.Nd4+= 16...Qd7+/–; A2) 13...c6 14.Bc1 cb5 15.Qb5 d5 16.Qb3 Bb4= ; B) 12.d5 Nc5 (12...Be7 13.e4 Bc8 14.Rfd1 Ra7 15.Bc1 Nc5 16.Qb1 Bg4+=; 12...Bc8 13.Qc2 Be7 14.Ng5 Nc5 15.Nge4 Nce4 16.Ne4 Ne4+=) 13.Qc2 B1) 13...Be7 14.Ba3 Nfd7 (14...Bc8 15.Bc5 bc5 16.Bd3 Qd7+=) 15.e4 Bc8 16.Bc1 (16.Bb2+= 16...f5+=) 16...Nf6+=; B2) 13...Bc8 14.Na4 Na4 15.Qa4 Be7 16.Nd2 Bf5= ; C3) 12.Rfe1 Ne4 (12...Be7 13.Rad1 Qc8 14.Qc2 c6 15.Qf5 a4 16.a3 cb5+=) 13.Ne4 Be4 14.Nd2 a4 15.Qc3 Bb7 16.Qc2+= e4+=.

11.Re1 Ra7 A) 12.Rc1 A1) 12...Qc8 13.Qc2 ed4 14.ed4 d5 15.Qf5 g6 16.Qh3 Bd6+/– ; A2) 12...Qa8 A21) 13.Qa4 Bc8 (13...Bf3 14.Bf3 e4 15.Be2 Qb7 16.Rf1 Raa8+/–) 14.Rcd1 Bb7 15.d5 (15.Qc2 a4 16.Qf5 Bc8+=) 15...Nc5 16.Qc2+= 16...Bc8+=; A22) 13.Qc2 a4 14.a3 Ne4 15.d5 Nc3 16.Bc3 Nc5+= ; A3) 12...Qb8 13.Qc2 Qa8 14.a3 Ne4 15.d5 Nc3 16.Bc3 Nc5+= ; B) 12.a3 C121) 12...Qa8 13.Qa4 Qd8 (13...e4 14.Nd2 d5 15.cd5 Bd5 16.Nd5 Qd5+=) 14.Rad1 Qa8 15.Qb3 a4 (15...ed4 16.ed4+= 16...Nh5+=) 16.Qc2 Ra5+= ; C122) 12...e4 13.Nd2 Bf8 14.Qc2 Qe7 15.Nb3 d5 16.Rec1 Qe6+=; C) 12.Qc2 ed4 13.ed4 d5 14.Ne5 Bb4 15.a3 Bc3 16.Bc3 Ne4+/–.

11.Re1 Rc8 A) 12.a3 c6 13.bc6 Bc6 14.Rb1 (14.Qb3 Ne4 15.Ne4 Be4 16.Rad1 Bf6+=) 14...Bb7 (14...e4 15.Nd2 d5 16.cd5 Bd5+=) A1) 15.Nb5 ed4 (15...Be4 16.Rc1+= 16...Bf3+= ) 16.Nfd4 Be4+=; A2) 15.Qb3 Ne4 16.Nd5 Nef6+=; B) 12.Rc1 c6 13.Qb3 (13.bc6 Bc6 14.Qb3 Ne4 15.Ne4 Be4 16.de5 Qc7+=) 13...cb5 14.Nb5 (14.Qb5 Ng4 15.Rcd1 Bh4 16.Rf1 Bf6+=) B1) 14...Ne4 B11) 15.Red1 ed4 16.Bd4= (16.ed4 Ndf6= ) 16...Bh4=; B12) 15.a3 ed4 16.ed4 Ndf6+=; B2) 14...ed4 15.ed4 d5 16.Bd3 Bb4+=; C) 12.Qb3 C1) 12...Ra8 13.Qc2 ed4 14.ed4 d5 15.Ne5 Bb4 16.Bf3 Ra7+=; C2) 12...c6 13.bc6 Bc6 14.Rab1 (14.Nb5 ed4 15.ed4 Be4 16.Nd2+= 16...d5+=) 14...e4 15.Nd2 d5 16.Nd5 Nd5+=; C3) 12...h6 13.Rad1 ed4 14.ed4 c6 15.bc6 Bc6 16.Ba3 Ne4+=; C4) 12...Ng4 13.d5 Nc5 14.Qc2 Bh4 15.Rf1 e4 16.Ne1 Qg5= ; D) 12.d5 Nc5 (12...Ra8 13.Qc2 Bc8 14.Bc1 e4 15.Nd4 Nc5 16.Bb2 Bd7+=) D1) 13.Ba3 Ncd7 (13...Ra8 14.Bc5 bc5 15.Bd3 Bc8 16.Rb1 g6+=) 14.e4 D11) 14...Rf8 15.Qc2 Ra8 (15...Kh8 16.Bc1 Nc5+= ) 16.Bc1+= (16.h3 Kh8+= ) 16...Nc5+=; D12) 14...Ra8 15.Qd3 Bc8 16.Qe3 Nc5+=; D2) 13.Qc2 Ra8 14.e4 Ra7 15.Ba3 Ncd7 16.Bc1 Nc5+=; E) 12.Qc2 ed4 13.ed4 (13.Nd4 Nc5 14.Qf5 Qd7 15.Nd5 Nd5 16.cd5 Qf5+=) 13...d5 14.Ne5 c5 15.bc6 Bc6 16.Nc6+= Rc6+=.

5.Be2 c6

6.d4 0–0 A) 7.b5 A1) 7...cb5 8.cb5 e4 9.d5 A11) 9...Bd7 10.Qd4 Bf5 11.Nd2 Qb6+= (11...Qa5 12.g4+=) 12.Qb6+=; A12) 9...Nbd7 10.Qd4 Nc5 11.Nd2 Bf5 12.g4+=; A2) 7...Nbd7 A21) 8.Nf3 e4 9.Nfd2 cb5 10.cb5 d5 (10...a6 11.Nc3 d5= 12.Qb3=) 11.0–0 a6 12.Nc3= ; A22) 8.Nd2 a6 9.bc6 bc6 10.Rb1 Qa5 11.Qc2 Rb8 12.Bc3+= ; A23) 8.Nh3 a6 9.0–0 ab5 10.cb5 Qb6 11.Qd2 cb5 12.Qb4+= ; A24) 8.Nc3 Qb6 9.Nf3 cb5 10.cb5 e4 11.Nd2 d5 12.Rc1= ; A3) 7...e4 8.d5 cb5 (8...Qb6 9.a4 Nbd7 10.Nc3 cb5 11.ab5 a6 12.Qc2=) 9.cb5 Nbd7 10.Nc3 Nc5 11.f3 (11.Rc1 Bf5 12.f3+=) 11...Bf5+= 12.Rc1+=; B) 7.a3 B1) 7...e4 8.d5 Nbd7 (8...Bf5 9.g4 Bd7 10.Nc3 cd5 11.cd5 a5 12.b5+/–) 9.dc6 bc6 10.Nd2 Ne5 11.Qc2 Bf5= 12.Be5=; B2) 7...a5 8.b5 cb5 9.cb5 e4 10.d5 Nbd7 11.Nc3 (11.Qd4 Nc5 12.Nd2+=) 11...Nc5+= 12.h3+=.

6.a4 0–0

7.b5 Bd7 8.Nc3 a6 9.d4 ab5 10.ab5 Ra1 11.Ba1 e4 12.d5+=.

7.b5 Bd7 8.d4 ed4 9.Bd4 c5 10.Bb2 Be6 11.Nf3 d5 12.0–0=.

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 Nbd7 8.d4 a6 9.Nd2 e4 10.f3 ab5 11.cb5 cb5 12.fe4+=.

7.b5 Re8 8.Qc2 a6 9.d4 Nbd7 10.Nf3 ab5 11.cb5 cb5 12.ab5=.

7.b5 Re8 8.Nc3 d5 9.cd5 Nd5 10.Nf3 Nc3 11.dc3 Qc7 12.Qc2=.

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

7.b5 Bf5 8.d3 a6 9.Nc3 ab5 10.ab5 Ra1 11.Ba1 Qa5+=.

7.b5 Bf5 8.d3 a6 9.Nf3 ab5 10.cb5 cb5 11.ab5 Ra1 12.Ba1 Qa5 13.Bc3 Qb5 14.e4–/+.7.b5 Bf5 8.Nf3 a6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 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 (28...Rd8 29.Rc2+/–) 29.f4 (29.Nc5 Rc8 30.Ne6 Rc3 31.Nd5 Ke6 32.Nc3 f5+–) 29...Kd6 (29...Nd6 30.Kf2+=) 30.g4+/– f6 (better is 30...g6!?+/–) 31.f5 Bf7 32.Kf2 Ke7 (32...h5 33.gh5 Bg8 34.Nc5+–) 33.h3 (33.Ba6 ba6 34.Nc6 Kd6 35.Nb8 Nb8+–) 33...Kd6 (33...Nd6!?+/–) 34.Kg3 Bg8 35.Kf2 Bf7 36.Rc1 (36.Nc5 h5+–) 36...Ke7 (36...h5 37.gh5 Bg8 38.Nc5+–) 37.Rc2 (37.Ba6 ba6 38.Nc6 Kd6 39.Nb8 Nb8+–) 37...Kd8 (better is 37...Nd6!?+/–) 38.Ba6!+– ba6 39.Nc6 Kc8 40.Nb8 Kb8 41.Nc5 Nc5 42.dc5 (42.Rc5?! Kb7+/–) 42...Kc8 43.Ke2 Kd7 44.c6 (44.Rb2 Kc8+–) 44...Kc8 45.Kd2 Kb8?? (45...Nd6 46.Rc5 Nc4 47.Kc3 Bg8+– (47...Ne3 48.c7 d4 49.Kd4+–)) 46.c7 Nc7 47.bc7 (better is 47.Rc7 Be8+–) 47...Kc8 48.Rc5 (48.Rc6 Be8 49.Ra6 Ba4+–) 48...Bg8 (48...Be8+–) 49.Kc3 Bf7 50.Kd4 Bg8 (50...h5 51.Rc6 Be8 52.Kd5 Bd7+–) 51.Rc6 Bf7 (51...h5 52.Kc5 d4 53.Kb6 Be6 54.fe6 hg4 55.Rd6 gh3 56.Rd8) 52.Kc5 Bg8 (52...d4 53.Kd6 Bd5 54.Ra6 de3 55.Rb6 Bb7 56.a6 Ba6 57.Rb8) 53.Kb6 d4 (53...Kd7 54.c8Q Ke7 55.Qb7 Ke8 56.Rc8) 54.Rd6 1–0. Bartsch,Rainer – Inderwisch,Joerg, Steinfurt, 2003.

7.b5 Bf5 8.d3 a6 9.Nf3 Nbd7 10.Nc3 Qc7 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 (23.ba6 ba6 24.Qb7 Bb6 25.Qa6 Qf4+–) 23...Ne4 (23...a5 24.Bd3+–) 24.Qb4 (24.ba6!? ba6 25.Qb7 Bb8 26.Qa6 Qf4+–) 24...Qf4 25.ba6 (25.Nc3 Ng5 26.Ng5 Qg5+–) 25...ba6+/– 26.Ba6 Bb8? (26...Bh3 27.Re3 (27.gh3?! Qf3 28.Rc2 Qh3+=) 27...Be6 28.Rc8 Rc8 29.Bc8+–) 27.Nc3 (27.Rc8 Rf8 28.Qb3 Bd6+–) 27...Bh3? (27...Ng5 28.Ng5 Qh2 29.Kf1 Qh1 30.Ke2 Bg4 31.Kd3 Bf5 32.Nce4 Qg2=) 28.Ne2 (better is 28.Nd5 Qg4 29.Bf1+–) 28...Qg4–/+ 29.Ng3 Bg3 30.fg3 Qg3 (30...Bg2!? 31.Nh4 Bf3–/+) 31.Re2 (31.Qb2 Bg4 32.Re3 Qf4+=) 31...Ndf6 (better is 31...Bg2!? 32.Rg2 Qf3+=) 32.Qe1+= Qg6 (32...Qd6 33.Bb5 Bd7 34.Bd7 Nd7 35.a5+=) 33.Qh4+/– Bg4 34.Ne5 Re5? (better is 34...Qf5 35.Rf1 Qh5 36.Qh5 Bh5+/– (36...Nh5? 37.Ng4 Nhg3 38.Rc2 Nf1 39.Bf1+–)) 35.de5+– Be2 (35...Ne8 36.Qd8 Kf8+–) 36.Rc8 1–0. Kasper,Peter (1650) – Feierabend,Johanna, Berlin, 2006.

7.b5 Bf5 8.d3 a6 9.Nf3 Nbd7 10.Nc3 d5 11.0–0 dc4 12.dc4+=.

7.b5 Bf5 8.Nf3 a6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5=.

7.d4 ed4 8.Qd4 Na6 9.b5 Nc5 10.Nd2 (10.Qf4 Nce4 11.Nf3 Qa5 12.Kf1 Qb4 13.Ba3–/+) 10...Bf5 11.Ngf3 Bc2 12.a5+= Na4 13.Ra2=.

7.d4 ed4 8.Qd4 c5 9.bc5 dc5 10.Qd8 Rd8 11.Nc3 Nc6 12.Nf3 Bf5 13.0–0+=.

7.d4 ed4 8.Qd4 c5 9.bc5 Nc6 10.Qc3 dc5 11.Nf3 Qc7=.

7.d4 ed4 8.Bd4 c5 9.bc5 dc5 10.Bc3 Nc6 11.Nf3 Qd1 12.Bd1 Rd8 13.Bc2+=.

7.d4 d5 8.c5 e4 9.Nd2 Be6 10.b5 b6 11.Rc1 a6 12.Qb3 ab5 13.ab5+=.

7.d4 d5 8.de5 Bb4 9.Bc3 Bc3 10.Nc3 Ne4 11.Ne4 de4 12.Qd8+= 12...Rd8 13.Rb1+=.

7.d4 Nbd7 8.a5 ed4 (8...Re8 9.b5 cb5 10.cb5 e4 11.Nd2 a6 12.b6 Nf8 13.d5=; 8...e4 9.Nh3 d5 10.c5 Nb8 11.Nf4 g5 12.Nh5 Nh5 13.Bh5=) 9.Qd4 c5 10.bc5 dc5 11.Qf4 Re8 12.Bf3 Nf8 13.a6+=.

7.d4 Nbd7 8.b5 A) 8...c5 C11) 9.Nf3 cd4 10.ed4 e4 11.Nfd2 d5 12.0–0= (12.c5 Re8 13.a5=) 12...Re8 13.c5= ; B) 9.d5 a6 10.Nf3 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.0–0= ; C) 8...Re8 9.Nf3 e4 10.Nfd2 d5 11.Nc3 cb5 12.ab5 dc4 13.0–0=.

7.d4 Nbd7 8.Nd2 c5 9.bc5 ed4 10.ed4 dc5 11.Ngf3 cd4 12.0–0 Nc5 13.Nd4=.

7.d4 Nbd7 8.Nd2 ed4 9.Bd4 d5 10.Rb1 dc4 11.Nc4 Nd5 12.b5 cb5 13.ab5+=.

7.d4 Nbd7 8.Nd2 e4 9.Nh3 (9.b5 d5 10.Ba3 Ba3 11.Ra3 c5 12.a5 cd4 13.ed4=; 9.Bc3 d5 10.Qc2 Re8 11.cd5 Nd5 12.Ne4 Bb4 13.Bb4+=; 9.Ba3 d5 10.cd5 cd5 11.b5 Ba3 12.Ra3 Qa5 13.Nh3+=; 9.Qc2 d5 10.b5 cb5 11.ab5 dc4 12.Nc4 Bb4 13.Nd2+=) 9...d5 10.c5 Kh8 11.0–0 Qc7 12.a5 Re8 13.Nf4+=.

7.d4 Nbd7 8.Nd2 Re8 9.Rb1 Qc7 10.Ngf3 e4 11.Ng1 d5+=.

7.d4 e4 8.d5 Na6 9.b5 cb5 10.ab5 Nc5 11.Nd2 a6 12.Nb3 Nfd7 13.Bd4+=.

7.d4 e4 8.d5 Na6 9.Qd2 Qb6 10.Bc3 Qc7 11.Ra2 Re8 12.Rb2 Nb8 13.a5=.

7.d4 e4 8.d5 Na6 9.Qd2 Qb6 10.Bc3 cd5 11.b5 Nc5=.

7.d4 e4 8.d5 Nbd7 9.a5 (9.Nc3 Ne5 10.a5 Bf5 11.a6 Qb6 12.b5 cb5 13.cb5=) 9...Ne5 10.Nc3 (10.f4 Neg4 11.Qd2 cd5 12.cd5 Nh6 13.Nc3=) 10...Bf5 11.a6 Qb6 12.b5= cb5 13.cb5=.

7.d4 e4 8.d5 Bf5 9.Nc3 (9.a5 Na6 10.Qd2 Re8 11.Ra3 cd5 12.cd5 Nc7 13.Nc3=) 9...Na6 10.g4 Bd7 11.Ba3 cd5 12.cd5 h6 13.h4=.

7.d4 Be6 8.Nf3 e4 9.Nfd2 b6 10.0–0 (10.Bc3 d5 11.0–0 Nbd7 12.Na3 Qc7 13.c5=) 10...d5 11.b5 (11.Ba3 dc4 12.Bc4 Bc4 13.Nc4=) 11...dc4 12.Nc3= a6 13.Qc2=.

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 (31...Bh6 32.Ba8 Ra8 33.a4+/–) 32.gh4 Rac8 33.Qf2 c4 34.Bc3 Rb8 (34...Qd7 35.h5 Qe6 36.Rdb1+–) 35.Bb4 Rb4 (35...Qd7 36.Bf8 Rf8 37.Rac1+–) 36.ab4 Qe6 (36...Bc8 37.Qc5 Qc5 38.bc5+–) 37.Qd4 (37.f5!? Qh6+–) 37...Bb5 38.Ra5 (38.Qd6!? Qd6 39.ed6 Kg8+–) 38...Qg4 39.Rd2 (39.Rc1 Bc6 40.Ra2 Bd7+–) 39...Qh4 40.Qf2 (worse is 40.Rb5 Qe1 41.Kh2 Qd2 42.Qc4 Qf2+–) 40...Qf2 41.Kf2 (better is 41.Rf2 Rb8 42.Rd2+–) 41...c3 42.Ke3 (better is 42.Bf3 cd2 43.Rb5+–) 42...c2?? (better is 42...cd2 43.Kd2 Rb8+–) 43.Ra1 (43.Rb5 c1Q 44.Kd3 Qa3 45.Ke2 Qg3–+) 43...Rc8 44.Rc1 Rc3 (44...Re8 45.Be4 g5 46.Bd3 gf4 47.Kf4+–) 45.Be4 Rb3 46.Bd3 Rd3 1–0. Holz auf der Heide,Gerhard (1850) – Eckstein,Helmut (1880), Halle GER, 2011.

6.a3 Nb6 A) 7.d3 Be6 (7...0–0 8.Nf3 Bf5 9.Nc3 a5 10.0–0 h6 11.b5 Re8 12.Qc2 a4 13.e4) 8.Nf3 (8.Nc3 e4 9.Ne4 Ne4 10.de4 0–0 11.Nf3 Bc4 12.0–0 a5 13.Nd2) 8...0–0 9.Nc3 Qe8 10.0–0 h6 11.Qc2 Qc6 12.b5 Qe8 13.a4; B) 7.Nc3 B1) 7...Bf5 8.Nf3 0–0 9.0–0 Qd7 10.d4 Rad8 11.Nh4 ed4 12.ed4 d5 13.Nf5; B2) 7...h6 8.Nf3 (8.Qb3 0–0 9.d3 a5 10.Nf3 ab4 11.ab4 Ra1 12.Ba1 Be6 13.0–0) 8...e4 9.Nd4 c5 10.Nb3 0–0 11.0–0 Be6 12.Na5 Rc8 13.bc5; B3) 7...Be6 8.d3 h6 9.Nf3 0–0 10.0–0 Qd7 11.Qc2 Rfd8 12.h3 Re8 13.a4; B4) 7...a5 8.Nf3 Be6 9.d3 0–0 10.0–0 h6 11.Qc2 Qd7 12.h3 Rfe8 13.b5; B5) 7...0–0 8.Nf3 Bf5 9.0–0 Qd7 10.d4 e4 11.Nd2 c6 12.a4 Qe6 13.a5; C) 7.Qb3 C1) 7...e4 8.Nc3 0–0 9.Nh3 Bh3 10.gh3 Qd7 11.0–0 c6 12.Kg2 d5 13.cd5; C2) 7...a5 8.Nc3 (8.Nf3 0–0 9.Nc3 Bf5 10.0–0 a4 11.Qd1 Be6 12.d3 h6 13.Qc2) 8...Bf5 9.Nf3 a4 10.Qa2 0–0 11.d3 Qd7 12.0–0 h6 13.e4; C3) 7...Bf5 8.Nf3 (8.Nc3 a5 9.Nf3 ab4 10.ab4 Ra1 11.Ba1 0–0 12.0–0 Qd7 13.h3) 8...0–0 9.Nc3 Qd7 10.0–0 a5 11.d4 a4 12.Qd1 e4 13.Nd2; C4) 7...d5 8.Be5 (8.cd5 e4 9.Nc3 Nbd5 10.Nh3 0–0 11.Ng5 Nc3 12.Qc3 Qd5 13.Qc7) 8...Nc4 9.Bc4 dc4 10.Qc4 Be6 11.Qb5 Qd7 12.Nc3 c6 13.Qe2; C5) 7...0–0 8.Nc3 a5 9.Nf3 ab4 10.ab4 Ra1 11.Ba1 Bf5 12.0–0 Qd7 13.h3.

6.Nc3 0–0

7.a4 a5 8.b5 A) 8...Nb6 9.Nf3 Be6 A1) 10.Qb3 Bg4 (10...Qd7 11.0–0 Bg4 12.d3 Qf5 13.e4 Qg6= ) 11.d3 Re8 (11...Qd7 12.0–0 Rad8 13.Nd5 Nbd5= ) 12.0–0 Rb8 13.Rad1= 13...Qd7= ; A2) 10.d3 e4 11.Ne4 Ne4 12.de4 Bc4 13.Bc4 Nc4+=; B) 8...e4 B1) 9.Qc2 Nc5 10.Ba3 (10.Rc1 Bf5 11.Nd5 Nfd7 12.g4 Be6 13.Bd4 c6+=) 10...Bf5 11.Bc5 dc5 12.h3 (12.Rd1 Bd6 13.d3 Qe7+=) 12...h6 13.g4= 13...Bg6= ; B2) 9.Nh3 B21) 9...Rb8 10.0–0 h6 11.Nf4 Ne5 12.Nfd5 Bf5 13.Qb1 Re8+= ; B22) 9...Nc5 10.Nf4 Re8 11.0–0 c6 12.d4 ed3 13.Nd3 Qb6= ; B23) 9...Ne5 10.Qb1 Bh3 11.gh3 Qd7 12.Ne4 d5 13.Nf6 Bf6+= ; B24) 9...Re8 10.0–0 B241) 10...Ne5 11.Ng5 Nd3 12.Ba3 (12.Rb1 Nb2 13.Rb2 d5= ) 12...Bf5 13.Bd3+= 13...ed3+= ; B242) 10...c6 11.d4 ed3 12.Bd3 Ne5 13.Nf4 Qb6= ; B25) 9...Kh8 10.0–0 h6 11.Qc2 Nc5 12.Nf4 c6 13.f3 g5+= ; B26) 9...h6 10.0–0 Ne5 11.Nf4 Bf5 12.f3 ef3 13.gf3 Ng6= ; C) 8...c6 C1) 9.d4 ed4 10.Qd4 Nc5 11.Qf4 Be6 12.Rd1 Qb6 13.Ba1+= (13.Bf3 Rad8+=) 13...Rad8+=; C2) 9.Rb1 Nb6 10.d3 Nfd7 (10...Qc7 11.Nf3 Rd8 12.0–0 Bg4 13.Nd2 Be2=) 11.Nf3 cb5 12.Nb5 (12.cb5 d5 13.0–0 Bd6=) 12...Nc5 13.Ra1= Be6=.

7.a4 c6 8.b5 d5 9.cd5 cd5 10.d4 e4 11.Qb3 Nb8 12.Ba3 Ba3 13.Qa3=.

7.a4 c6 8.d4 A) 8...e4 9.Nh3 (9.Rc1 d5 10.cd5 Nd5 11.Nd5 cd5 12.Qd2 Qb6 13.b5+= ; 9.Qb3 d5 10.cd5 Nd5 11.Nd5 cd5 12.Nh3 Nf6 13.Nf4+= ; 9.b5 d5 10.bc6 bc6 11.Ba3 Rb8 12.cd5 Ba3 13.Ra3+= ; 9.d5 Ne5 10.a5 Bf5 11.a6 Qb6 12.b5 cb5 13.cb5= ) 9...d5 10.c5 Qc7 11.0–0 b6 12.Nf4 a5 13.cb6= ; B) 8...Re8 9.Nf3 (9.Rb1 d5 10.cd5 cd5 11.Ba3 ed4 12.Qd4 Nb8 13.Nf3+=) 9...e4 10.Nd2 d5 11.Qb3 Nf8 12.0–0 Bg4 13.Bg4=; C) 8...d5 9.cd5 cd5 10.de5 Ne5 11.Nf3 Nf3 12.Bf3 Bb4 13.Qb3=.

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.

7.a4 d5 8.Nd5 Nd5 9.cd5 Bb4 A) 10.Qb3 A1) 10...a5 11.Qc2 Re8 12.Bd3 (12.e4 Nc5 13.Nf3 f5+=) 12...Nf6 13.e4+= 13...Bg4+=; A2) 10...Bd6 11.Rc1 Re8 12.d4 e4 13.a5 Qg5+=; B) 10.Qc2 Re8 11.Rb1 Bd6 12.e4 Qg5 13.Bf1 f5+=.

7.a4 Re8 A) 8.Rb1 A1) 8...c5 9.b5 (9.bc5 Nc5 10.Nf3 Bf5 11.d3 Qa5 12.0–0 b6 13.Ra1 Rac8=) 9...a6 10.Nf3 h6 11.d3 ab5 12.ab5 Nb6 13.0–0 Be6=; A2) 8...c6 9.d4 (9.Nf3 e4 10.Nd4 Ne5 11.0–0 c5 12.Nc2 Bf5 13.Ba1 b6+=) 9...d5 10.cd5 cd5 11.Ba3 ed4 12.Qd4 Nb8 13.Nf3 Nc6+=; A3) 8...a5 9.b5 Nb6 (9...Nc5 10.Nf3 e4 11.Nd4 Nd3 12.Bd3 ed3 13.0–0 d5=) 10.Nf3 e4 11.Ng5 d5 12.cd5 Bf5 13.g4 Bg6+=; B) 8.Qc2 d5 9.Nd5 Nd5 10.cd5 Bb4 11.Rb1 Bd6 12.e4 Qg5 13.g3 f5+=; C) 8.Nf3 e4 C1) 9.Ng5 d5 10.cd5 Bb4 11.Qc2 (11.Qb3 Bc3 12.Bc3 h6 13.Nh3 Nc5–/+) 11...Bc3 12.dc3 Nc5 13.c4+= h6+=; C2) 9.Nd4 c5 (9...Ne5 10.b5 c5 11.bc6 bc6 12.Qc2 Rb8 13.Rb1 c5+=) 10.bc5 dc5 11.Nb3 Bd6 12.Nb5 Ne5 13.0–0+= (13.Rb1 b6+=) 13...Bf5+=.

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? (34...Nf6 35.Qd2 Ra4 36.Rc7 Ra1+–) 35.Qd2 Bd8 (35...Qh4 36.Re6 Kf8 37.Rd7 Qf4 38.Ne5 Qd2 39.Kd2 Rba8 40.Ng6 Kg8+–) 36.Nd6 1–0. Andersson,Lars H – Nystroem, Sweden, 1986.

7.Nd2 b6 8.Ngf3 A) 8...c5 9.bc5 (9.b5 a6 10.ba6 Ra6 11.0–0 Bb7 12.Qb3 Qc7 13.Nh4=) 9...bc5 10.0–0 Rb8 11.Rb1 Bb7 12.Qc2 Re8 13.a3=; B) 8...c6 9.a4 (9.0–0 Qc7 10.a3 Re8 11.d4 a5 12.b5 c5 13.Bd3=) 9...d5 10.b5 cb5 11.ab5 Qc7 12.cd5 Nd5 13.Qc1+=; C) 8...Re8 9.0–0 Bb7 10.a3 c5 11.d4 ed4 12.ed4 d5 13.bc5=.

7.Nd2 d5 A) 8.Qb3 a5 9.a3 dc4 (9...ab4 10.ab4 Ra1 11.Ba1 dc4 12.dc4 c5 13.b5 Bd6=) 10.dc4 A1) 10...c5 11.b5 Bd6 (11...a4 12.Qc2 Bd6 13.Rd1 Qe7= ) 12.e4 a4 (12...Qe7 13.Rd1= 13...Rd8=) 13.Qd3 Qe7=; A2) 10...ab4 11.ab4 Ra1 12.Ba1 c5 13.Ngf3 Bd6=; B) 8.b5 a6 B1) 9.Ngf3 B11) 9...dc4 10.dc4 e4 11.Nd4 ab5 12.cb5 Nc5 13.0–0 Qd5=; B12) 9...ab5 10.cb5 (10.Ne5 bc4 11.dc4 Ne5 12.Be5 dc4 13.Nc4+= 13...Bb4+=) 10...Bd6 11.0–0 Qe7 12.Qc2 Ra5 13.a4 Re8=; B13) 9...e4 10.de4 de4 11.Nd4 ab5 12.cb5 Nc5 13.0–0 Qd5+=; B2) 9.ba6 B21) 9...ba6 10.Rb1 Rb8 11.cd5 (11.Ngf3 Bd6 12.cd5 Nd5 13.0–0 Re8=) 11...Nd5 12.Ngf3 Bd6 13.0–0= Re8=; B22) 9...Ra6 10.cd5 Nd5 11.Ngf3 Re6 12.0–0 Re8 13.a3 b6=; C) 8.Qa4 a5 9.ba5 e4 (9...Re8 10.cd5 Nd5 11.Ngf3 Nc5 12.Qc4 Ra5 13.Be5 Be6=; 9...c6 10.Ngf3 e4 11.de4 de4 12.Nd4 Nc5 13.Qc2= Nd3=; 9...Nc5 10.Qc2 d4 11.Ngf3 de3 12.fe3 Ng4 13.Nf1 Bh4=) 10.Bd4 ed3 11.Bd3 Nc5 12.Bc5 Bc5 13.Qb5 Qd6+=; D) 8.a3+= a5 D1) 9.b5 e4 (9...a4 10.cd5 Nd5 11.Ngf3 f6 12.d4 ed4 13.Bd4 c5+=; 9...Re8 10.cd5 Nd5 11.Ngf3 Bd6 12.0–0 Qe7 13.Nc4 Qf6+=; 9...Bd6 10.cd5 Nd5 11.Ngf3 Qe7 12.Nc4 Rd8 13.0–0 Re8+=; 9...c6 10.Ngf3 cb5 11.cb5 Bd6 12.0–0 a4 13.Rc1 Re8=) 10.cd5 ed3 11.Bd3 Nc5 12.Bc4 (12.Bb1 Qd5 13.Qc2+= g6+=) 12...Nd5 13.Ngf3 Nb6=; D2) 9.c5 D21) 9...e4 10.Qc2 ab4 (10...Re8 11.Nh3 ed3 12.Bd3 ab4 13.ab4 Ra1+=) 11.ab4 Ra1 12.Ba1 Re8 13.de4= Ne4=; D22) 9...Re8 10.Ngf3 Bf8 11.0–0 ab4 12.ab4 Ra1 13.Qa1 Qe7=; D23) 9...Ra7 10.Ngf3 e4 11.de4 Ne4 12.0–0 Bf6 13.Nd4 ab4+=; D24) 9...Ra6 10.d4 ed4 11.Ba6 de3 12.fe3 ba6 13.Ngf3 Ng4=; D25) 9...ab4 10.ab4 Ra1 11.Qa1 e4 12.de4 de4 13.Qb1 Re8=.

5.Nf3 a6

6.Nc3 Nc6 7.d4 Nb4 (7...ed4!? 8.Nd4 Nb4 9.Qa4 Nc6 10.Nc6 bc6 11.Qc6 Bd7=) 8.Qa4+= (8.de5 de5 9.a3 Qd1 10.Rd1 Nc2 11.Kd2 Na3=) 8...Nc6 9.d5 Bd7? (better is 9...b5 10.Nb5 Rb8 11.dc6 ab5 12.cb5 Bf5+=) 10.dc6+– Bc6 11.Qc2 0–0 12.Rd1 e4 (12...Qe8!? 13.Bd3+–) 13.Ne5 Qe8 14.Nc6 Qc6 15.Rd4 Rad8 16.Ne4 Ne4 17.Qe4 (17.Re4 Rfe8+–) 17...Qe4 18.Re4 d5 (18...Rde8 19.Bd3 f5+–) 19.Re6 (better is 19.Re7 dc4 20.Bc4+–) 19...Bf6?? (better is 19...fe6 20.Bc3 Bh4–+) 20.Rf6+– gf6 21.Bf6 Rd7 22.c5 c6 (22...Rb8 23.Bd4+–) 23.Bd3 Re8 24.Bf5 Rc7 25.h4 h5 26.Rg1 Ra8 (26...Re6 27.Bd4 Rg6+–) 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.d3 0–0 7.Be2 Nc6 8.a3 Be6 9.Nbd2 d5 (9...Bf5 10.0–0=) 10.Ng5 (10.Ne5 Ne5 11.Be5 dc4 12.dc4 c5+/–) 10...dc4 (10...Bd7!?=) 11.Ne6+= fe6 12.Nc4 Bd6 13.Qb3 Qe7 (13...Nd5 14.Bf3+=) 14.Bf3+/– Nb4? (better is 14...Nd5!?+/–) 15.Nd6 (15.ab4 Bb4 16.Nd2 e4 17.de4 Rfd8+–) 15...Nd3 16.Qd3 cd6 17.0–0 (17.a4 Rad8+–) 17...Rab8 (17...Nd7 18.Rfd1 (18.Bb7 Nc5 19.Qc4 Nb7+=) 18...d5 19.Rac1+–) 18.Qb3 b5 19.e4 (19.Rac1 Rfc8+–) 19...Rfc8 20.Rac1 Nd7 21.Rc8 Rc8 22.Bg4 Nc5 23.Qf3 Rf8 24.Qh3 Rf6 25.f4 (25.Rc1 Rf4 26.f3 Rf6+/–) 25...Rf4+/– 26.Rf4 ef4 27.Qf3 (27.e5 Ne4 28.Be6 Kh8+/–) 27...e5 28.g3 (28.Qd1!?+=) 28...Qa7 (28...fg3 29.hg3 Qg5 30.Qf5 Qf5 31.ef5+=) 29.Kg2 Na4 (29...fg3!? 30.hg3 Qb7=) 30.Qb3+/– Kh8 31.gf4 ef4?? (31...Nb2 32.Qb2 ef4 33.Qc1+–) 32.Bc1 (32.Qe6 Qa8 33.Bg7 Kg7 34.Qe7 Kg6 35.Bf5 Kh5 36.Qh7 Kg5 37.Qg6 Kh4 38.Qg4) 32...Nc5? (better is 32...Qe7 33.Qd5 g5+–) 33.Qd5+– Qe7 (33...Qb7 34.Bf4 Qd5 35.ed5 Ne4+–) 34.Qa8 1–0. GuestZMDQ – Salonika, freechess.org, 2017.

6.Be2 c6 7.Nc3 (7.0–0 e4 (7...a5 8.b5 0–0 9.Nc3 Bf5 10.Nh4 Be6 11.Qc2) 8.Nd4 c5 9.bc5 dc5= 10.Nb3 Nc6 11.Nc3) 7...h6 (7...e4 8.Nd4= (8.Ng5 d5 9.cd5 cd5 10.Qa4 Bd7 11.b5) 8...c5 9.bc5 dc5 10.Nb3 0–0 11.g4; 7...Nbd7 8.Qc2 (8.0–0 0–0 9.Qb3 Qc7 10.d4 ed4 11.ed4) 8...h6 9.0–0 0–0 10.h3 b5 11.d4) 8.Qc2 (8.0–0 0–0= (8...Bf5 9.Nh4 Be6 10.Qc2 0–0 11.Nf5) 9.d4 Qc7 10.Qb3 Bf5 11.Nh4; 8.d4 0–0 9.0–0 Qc7 10.c5 Nbd7 11.Nh4) 8...Bd7 (8...Nbd7 9.d4+= (9.0–0 0–0 10.h3 b5 11.d4) 9...0–0 10.0–0 ed4 11.Nd4; 8...Be6 9.d4 Nbd7 10.Rd1 Qb6 11.Na4) 9.0–0+= (9.d4 ed4 10.Nd4 0–0 11.0–0) 9...0–0 (9...b5 10.a3+= (10.d4 ed4 11.Nd4) 10...0–0 11.d4; 9...Be6 10.d4 Nbd7 11.e4) 10.d4 ed4 11.Nd4 Qc8 (11...Re8 12.Rfd1+=) 12.Rfd1 (12.Bd3 Qc7+/–) 12...d5 (12...a5 13.b5+/–) 13.a3+/– dc4 14.Bc4 Bg4 (14...c5 15.bc5 Qc5 16.Ne4+/–) 15.Be2 (15.f3 Bd7+/–) 15...Be2 16.Qe2 (16.Nce2 Re8+/–) 16...c5 17.bc5 Bc5 18.Rac1 b6 (better is 18...Nc6!?+/–) 19.Na4+– Nbd7 (19...Nc6 20.Nb6! (20.Nc5?! bc5 21.Nb3 Ne4+–) 20...Bb6 21.Rc6+– (21.Nc6?! Qe6+–)) 20.Nb3 (20.Nf5!? Kh7+–) 20...Qc6+/– 21.Nac5 bc5 (21...Nc5 22.Nc5 bc5 23.Bd4+/–) 22.Bf6+– Nf6 23.Rc5 (23.Nc5!? Rfc8 24.Qd3+–) 23...Qa4+/– 24.Qc4 (24.Rb1 Rab8 25.Qa2 Rfd8+/–) 24...Qa3+= 25.Ra5 Qb2 26.Nd4 (26.Nc5 Rfd8 27.Rf1 Rdc8+=) 26...Rfc8 (26...Ne4 27.Ra2 Qb6 28.Qd3+=) 27.Qf1 (27.Nc6 Rc7+=) 27...Ne4 28.f3 (28.Rb1 Qc3 29.Rba1 Nc5=) 28...Qc3= 29.Qe1 (29.Ra6?? Qe3 30.Kh1 Nf2 31.Qf2 Qf2 32.Ra8 Ra8–+) 29...Nf6 (29...Qe1 30.Re1 Nc5 31.Rc1=) 30.Qc3 Rc3 31.Kf2 g6? (better is 31...Nd7!?=) 32.Rda1+/– Re8 (32...Kg7 33.Ra6 Rb8 34.R6a2+/–) 33.e4 (33.Ra6 Kg7 34.e4 Rd3+/–) 33...Rd8 34.Ne2 (worse is 34.Ra6 Ne4 35.fe4 Rd4+=) 34...Rc2 (34...Rd2 35.Ra6 Rcc2 36.Re1+/–) 35.Ra6 (35.Ke3 Rdd2 36.Nd4 Rb2+/–) 35...Rdd2 36.Re1 Kg7 (36...Nd7 37.Ra8 Kg7 38.Rd8+=) 37.Raa1 (37.Ke3 Nd7 38.Nd4 Ra2 39.Ra2 Ra2+/–) 37...Nd7 38.Rad1 Ne5 39.Rd2 Rd2 40.Kf1 (40.Rb1 Kf6+/–) 40...h5 (40...Nd3 41.Ra1+=) 41.Nc3 (41.Nf4 h4+/–) 41...Rc2 (41...h4 42.Re2 Rd3 43.Nd5+=) 42.Nd5 Nd3 43.Rd1 Rc1 (43...Nc5 44.h4+/–) 44.Rc1+– Nc1 45.Kf2 Nd3 (45...f6 46.Ke3+–) 46.Ke3 Ne5 47.h3 (47.h4 f6+–) 47...Nd7 (47...h4 48.f4 Nc4 49.Kd3+–) 48.Kd4 (48.g3 h4+–) 48...f6 (48...h4 49.e5+–) 49.Nf4 (49.h4 Ne5+–) 49...Kf7 (49...h4 50.Ne6 Kf7 51.Nc5+–) 50.Kd5 (50.h4 Nb8+–) 50...h4+/– 51.Nd3 White prepares the advance e5 51...g5 52.e5 (52.Kd6 Nf8+/–) 52...Nf8 (52...Nb6 53.Ke4 Nc4 54.f4 gf4 55.Kf4+–) 53.ef6 (53.Ke4 Ng6+/–) 53...Kf6 54.Nf2 (54.Ke4 Ne6+/–) 54...Kf5 (54...Ng6+=) 55.Ne4 (55.Nd1!?+=) 55...Ng6= 56.Nd6 Kf4 (56...Kf6 57.g3 hg3 58.Ne4 Ke7 59.Ng3 (59.Ng5?? g2–+) 59...Nf4 60.Ke5 Nh3 61.Ne2=) 57.Nf7 (57.Ke6 Kg3=) 57...Ne7 58.Ke6 Nf5 59.Kf6 Ne3 60.Ng5 Ng2 61.Kg6 Kg3 62.Ne4 (62.Kf5 Nf4=) 62...Kf3 (62...Kh3 63.Kg5=) 63.Nd6 Ne3 64.Kh5 (64.Nf5 Nf5 65.Kf5 Kg3=) 64...Kg3 65.Ne4 Kh3 (65...Kh3 66.Ng5 Kg3 67.Ne4 Kf4 68.Kh4 Ng2 69.Kh5 Ne1=). Toth,Tamas – Lendak,Lajos, 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 e4 7.Nd4+= A) 7...0–0 8.Nc3 (8.0–0 c5 9.bc5 dc5 10.Nb3 Nc6 11.Nc3) 8...c5 9.bc5 dc5 10.Nb3 Nc6 11.0–0; B) 7...c5 8.bc5 dc5 9.Nb3 Nc6 10.Nc3 0–0 11.0–0.

6.Be2 Bf5 7.Nc3 (7.0–0 0–0=) 7...0–0 (7...Nc6 8.d4=) 8.d4 (8.a3 Nc6=) 8...Nc6 (8...e4 9.Nd2=) 9.a3 Qd7 (9...ed4 10.Nd4 Nd4 11.Qd4=) 10.d5 (10.b5 ab5 11.cb5 Na5+=) 10...Nd8 11.Nd2 (11.0–0 a5+=) 11...c6 (11...Bg6 12.0–0+=) 12.e4 Bg6 13.0–0 h6 (13...Re8 14.f4 ef4 15.Rf4=) 14.f4 ef4 15.Rf4 Nh7 (15...Re8 16.Qf1+=) 16.Bg4 (better is 16.Nf3+/–) 16...f5? (better is 16...Qc7+=) 17.ef5+– Bf5 Opening the f–file gets White a lot of play (17...Qc7 18.fg6 Rf4 19.gh7 Kh7 20.Nde4+–) 18.Bf5 Rf5 19.Qg4 Bg5 20.Qf5 (20.Rf5 Nf6 21.Qf3 Bd2+–) 20...Qf5 21.Rf5 Bd2 22.h4 (22.Ne4 Be3 23.Kf1 cd5 24.Rd5 Nf7+–) 22...Nf7 (22...Nf6 23.Rd1 Bc3 24.Bc3+–) 23.dc6 bc6 24.Ne4 Be3 25.Kf1 Bb6 26.Ke2 (26.c5!? dc5 27.bc5 Bd8+–) 26...Re8 27.Kd3 Nf8 (27...d5 28.cd5 Re4 29.Ke4 Nd6 30.Kf4 Nf5 31.Kf5 cd5+–) 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 (7...e4 8.Nd4+=) 8.h3 (8.Nc3 Nc6 9.a3 Re8=) 8...Bh5 (8...Bf3 9.Bf3 e4 10.Be2=) 9.Nc3 Nbd7 (9...e4 10.Ng5 Be2 11.Qe2= (worse is 11.Ne2 d5–/+)) 10.Re1 (10.d4 Re8=) 10...h6 (10...d5 11.Nd5 Nd5 12.cd5=) 11.d3 (11.d4 e4 12.Nd2 Be2 13.Qe2 d5=) 11...Rc8 (11...d5 12.cd5 Bb4 13.Qb3=) 12.a4 White plans b5 (12.d4 Bg6=) 12...c6 (12...d5 13.b5 c6 14.Rb1=) 13.b5 (13.a5 Qc7=) 13...ab5 (13...d5 14.Qd2=) 14.ab5 Ra8 (14...d5 15.cd5 cd5 16.Ne5 Ne5 17.Bh5=) 15.Qc2 (15.Ra8 Qa8 16.d4 cb5 17.Nb5 e4+/–) 15...Qc7 16.Rec1 (16.d4 Rfe8+=) 16...Bg6= 17.Qd1 (17.e4 Ra1 18.Ra1 d5 19.cd5 cd5=) 17...c5 (17...Rfe8 18.d4=) 18.Nd2 Nb6 (18...Rfe8 19.Nde4=) 19.Na4 (19.Nde4 Rfe8=) 19...Na4= 20.Ra4 Ra4 (20...d5 21.b6 Qb6 22.Be5=) 21.Qa4 b6 (21...Rd8 22.e4=) 22.Ra1+= Rb8 (22...d5 23.Qa7 Bd6 24.Qc7 Bc7 25.Ra7+=) 23.Qb3 Ne8 24.Bf3 f5 (24...Nf6 25.Bc6+/–) 25.Bd5+/– Bf7 (25...Kh7 26.Nf3+/–) 26.Bc6 (26.Bf7 Kf7 27.Qd1 g6+/–) 26...Nf6 27.Ra4 Be8 28.Bf3 Bg6 29.Qa2 Kf8 (29...Qd7 30.Bc6 Qe6 31.Ra8+/–) 30.Ra7 Qd8 31.Bc6 Be8 32.Bf3 (32.d4 cd4 33.ed4 Bc6 34.bc6 Rc8+–) 32...g5 (32...Bg6 33.Bc3 Kg8+/–) 33.Qa1 (33.Bb7 Bf7+/–) 33...Bf7 (33...g4 34.hg4 fg4 35.Bb7+/–) 34.Bc6 Be6 (34...g4!?+/–) 35.d4 ed4 (35...cd4 36.ed4 e4 37.Re7 Qe7 38.d5+–) 36.ed4 d5 (36...Ne8 37.Qe1 Kf7 38.dc5+–) 37.Qe1 (37.dc5 dc4 38.Be5 Ng8 39.Re7 Qe7+–) 37...Bf7 38.Qe5 dc4 (38...Bd6 39.Qf5 Bf4 40.dc5+–) 39.dc5 (39.Re7 Qe7 40.Qb8 Kg7+–) 39...bc5 (39...Bc5 40.Qf6 Qf6 41.Bf6 Bd6+–) 40.Re7! Ng8 (40...Qe7 Deflection from b8 41.Qb8) 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 e4 8.Ng5 d5 9.cd5 Qd5 10.f4–/+.

7.Qc2 Bg4 8.d4 (8.Nc3 Nc6 9.a3 Re8=) 8...ed4 (8...e4 9.Ng1 d5 10.Bg4 Ng4 11.cd5 Qd5 12.a3=) 9.Nd4= Be2 10.Ne2 (10.Qe2 d5 11.a3 dc4 12.Qc4 Nbd7=) 10...Re8 (10...d5 11.a3=) 11.Nd2 Nbd7 12.0–0 Nf8 (12...d5 13.Rab1=) 13.Nf3 (13.Rfd1 N8d7+=) 13...Ng6 14.Ng3 (14.Rfd1 Qc8+=) 14...Bf8 (14...a5 15.a3=) 15.Rfd1+= Qe7 16.Bf6 (16.a3 Ne5+=) 16...Qf6 17.Rac1 (17.Qf5 Qf5 18.Nf5 Ne5 19.Ne5 de5=) 17...Qe6 (17...Ne5 18.Ne5 Re5 19.Ne4+=) 18.Ng5 (18.Nd4 Qe5+=) 18...Qe5 (18...Qg4 19.N5e4=) 19.Rd5+/– Qe7 20.h4 c6 (20...a5 21.b5+/–) 21.Rd4 (21.Rf5!? f6 22.Nh7+/–) 21...h6 (21...a5+=) 22.Nf3 (22.Nf5!? Qe5 23.h5 hg5 24.hg6 fg6 25.Ng3+=) 22...Ne5= 23.Nh2 (23.Qe4 c5 24.bc5 dc5=) 23...Qc7 (23...b5 24.Re4+=) 24.Rcd1 Rad8 (24...b5 25.cb5 ab5 26.Nf5+=) 25.a3 (25.Qc3 b5 26.cb5 ab5=) 25...c5+= 26.Rf4 (26.bc5 dc5 27.Rd5 Rd5 28.cd5 b5+=) 26...cb4–/+ 27.ab4 b5 28.Qf5 (28.Ng4!?+=) 28...bc4–+ (28...Nc4?! 29.Ng4 Re6 30.Qd5+=) 29.Ng4 Ng4 (29...d5 30.Ne5 Re5 31.Qg4–+) 30.Qg4 (30.Rg4 Qc8–/+) 30...d5 31.Nf5 (31.Nh5 Re5–/+) 31...Re6 (31...Kh7 32.h5–/+) 32.Nd4 (32.h5 Qb6–/+) 32...Rg6–+ 33.Qf3 Bb4 34.h5 (34.Nf5 Bc3 35.Rd5 Re8–/+) 34...Rg5 (34...Rb6 35.Rf5–+) 35.Nf5 Bd6 (35...Bf8–+) 36.Rh4 (36.Rfd4!?–/+) 36...Bf8 (36...c3 37.Rc1–+) 37.Qh3 (37.Rg4 Rg4 (worse is 37...Rh5 38.Rg7 Bg7 39.Qh5–/+) 38.Qg4 Qb6–+) 37...Be7 38.Ne7 Qe7 39.f4 Rf5 40.Qf5 Qh4 41.Qe5 (41.Rd5 c3 42.Rd8 Qd8–+) 41...Qg4 (41...c3 42.Rc1–+) 42.Ra1 (42.Rd5 Rd5 43.Qd5 Qc8–+) 42...Qe6 (42...Qc8 43.f5–+) 43.Qd4? (43.Qe6 fe6 44.Ra6 Rc8–+) 43...g6 (better is 43...Rb8!? 44.Kf2–+) 44.hg6 Qg6 45.Ra5 Qe6 46.Ra3 (46.Rc5 Rd6–+) 46...Kh7 (46...Rd6 47.Ra5–+) 47.Ra5 (47.f5 Qf5 48.Ra6 Rb8–+) 47...Rd7 48.Rc5 Rd6 49.Rc7 (49.Kf1 Qf6 50.Qf6 Rf6 51.Rd5 Rc6–+) 49...Rc6 (49...Qf6 50.Qc5–+) 50.Rb7 c3 51.Qd3? (51.Rb8 f6 52.f5 Qe7–+ (52...Qf5?? 53.Qa7 Kg6 54.Rg8 Kh5 55.Qf7 Kh4 56.Kh2+–)) 51...Kg7 (51...Qe4 52.Qe4 de4 53.Rb1–+) 52.Rb1 (52.Qd4 Kg6 53.f5 Kf5–+) 52...Qe4 53.Qe4 (53.Qd4 Kg6 54.Qe4 de4–+) 53...de4 54.Kf2 c2 55.Rc1 f5 (55...Kg6!? 56.Ke2–+) 56.Ke2 Kg6 57.Kd2 Kh5 58.Rh1 (58.Ke2 a5 59.Kf2 a4 60.Rh1 Kg6–+) 58...Kg4 59.Kc1 Kg3 (better is 59...a5 60.Re1–+) 60.Rh5 Kg2 (60...Kf2 61.Rf5 Ke3 62.g4–+) 61.Rf5 Kf3 (61...Kf2 62.Re5 Ke3 63.f5–+) 62.Re5 Ke3 63.f5 Rc7 (63...Kd4!? 64.Re6 Kd5 65.Re8–+) 64.Re6 (64.f6 Rf7 65.Re6 Kd3 66.Rd6 Ke2 67.Ra6 e3–+) 64...Kf4 (64...h5 65.f6–+) 65.f6 Rf7 (65...h5 66.Re7 Rc6 67.f7–+) 66.Ra6 (66.Kc2 Kf5 67.Ra6 Rf6 68.Ra5 Kf4–+) 66...Kf5 (66...e3 67.Kc2 Kf3 68.Kd1–+) 67.Ra5 Kf6 (67...Kg4 68.Re5 Kf4 69.Re6–+) 68.Kc2 Re7 69.Kd2 ½–½. Ruck,Helmut – Schiering,Manfred, Wien AUT, 2006.

7.Nc3= a5 8.b5=.

7.Nc3= Nc6 8.Qb3 (8.a3 Bf5=) 8...h6 (8...Bf5 9.0–0+=) 9.d4 (9.d3 Be6=) 9...ed4 10.ed4 Bg4 (10...d5 11.c5=) 11.Rd1 d5 12.c5 Re8 13.0–0 Bf8 (13...Rb8 14.a4=) 14.Bc1 (14.h3 Bf5+=) 14...Ne7 (14...Qd7 15.Bf4+=) 15.Ne5 Be2 16.Ne2 c6 (16...a5 17.ba5 Ra5 18.Rfe1+=) 17.Nf4 (17.Qf3 Ng6 18.Ng6 fg6+=) 17...b6 18.Qf3 bc5 (18...a5 19.Nfd3+/–) 19.bc5 (19.dc5 Rb8+/–) 19...Ne4 (19...Nd7 20.Nfd3 Ne5 21.Ne5+=) 20.Rd3 (20.Rfe1 Rb8+=) 20...Ng5 (20...Qc7 21.Re3=) 21.Qd1 g6 (21...Qc7 22.Qg4+=) 22.h4 (22.Ne2 Ne4+=) 22...Ne4= 23.f3 (23.Re1 Bg7=) 23...Ng3 (better is 23...Nc5 24.Rc3 Nf5 25.Nc6 Qf6–/+) 24.Kf2?? (better is 24.Re1=) 24...Nf1–+ 25.Kf1 Bg7 26.g4 (26.h5 g5 27.Ne2 f6–+) 26...Be5 (better is 26...g5!? 27.hg5 hg5 28.Nh5–+) 27.de5 Nc8 28.Qa4 (28.Ng2 Qa5 29.Qc2 Re5 30.Bh6 d4–+) 28...Qh4 (28...Re5?! 29.Bb2 Qe8 30.Be5 Qe5 31.Qc6+=) 29.Qc6 (29.Kg2 Na7 30.Bb2–+) 29...Ne7 30.Qf6 Qf6 (better is 30...Qh1 31.Kf2 Qc1–+) 31.ef6= Nc6 32.Nd5 Kh7 33.Nc7 (33.Bf4 h5=) 33...Rad8 34.Rd6 Rd6 35.cd6 Rd8 36.Bf4 g5 (36...a5 37.Nd5+=) 37.Bg3= a5 (37...Kg6 38.Na6 Ra8 39.Nc7 Ra2 40.Nd5=) 38.Ke2 (38.Nd5 Nd4 39.Ne7 A) 39...Nf3 40.Nc6 Rd7 41.Nb8= (worse is 41.Na5 Nd2 42.Kg2 Ne4–/+); B) 39...h5 40.gh5 Kh6=) 38...Kg6+= 39.Nd5 (39.Ke3 Kf6 40.Ke4 Kg6–/+) 39...Nd4–/+ 40.Ke3 Nb5 41.Ne7 Kf6 42.Nf5 (42.Nd5!? Ke6 43.Nc7 Nc7 44.dc7–/+) 42...Ke6 (better is 42...h5 43.a4 Nc3–+) 43.Nh6 (43.a4 Nd6 44.Bd6 Rd6 45.Nd6 Kd6 46.Kd4–+) 43...Nd6–+ 44.Bd6 Rd6 45.Nf5 Rb6 (45...Rd1 46.Ng3–+) 46.Nd4 Kd5 (46...Kd5 47.Nb3 Rc6–+) 0–1. Helbing,H – Csoma,R, DDR, 1984.

7.Nc3 Nbd7=.

7.d3 Nc6 8.a3 Bf5=.

6.Be2 Bg4

7.d3 0–0!?=.

7.d3 Bf3 8.Bf3+= c6 9.0–0 Nbd7 10.Nc3 0–0 11.Ne4 h6 (11...Ne4 12.Be4 f5 13.Bf3+=) 12.Nf6 Bf6 (12...Nf6 13.Qb3+=) 13.e4 (13.Be4 Nb6+=) 13...b5 (13...a5 14.a3+=) 14.cb5 (14.a4 Qe7+=) 14...ab5= 15.Qc2 (15.Bg4 Ra4 16.a3 Qc7=) 15...c5 (15...Qc7 16.a4 ba4 17.Ra4 Ra4 18.Qa4=) 16.bc5 dc5 (16...Nc5 17.Rfb1=) 17.Rfd1 (17.Bg4 Qe7=) 17...Re8 (17...Bg5 18.Rdb1=) 18.Bg4+= Rc8 (18...Bg5 19.Bd7 Qd7 20.Qc5+=) 19.Qe2 (19.a4 ba4 20.Ra4 Nb6+=) 19...Be7 (19...Re7 20.Rdc1=) 20.Qf3 (20.Bd7 Qd7 21.Be5 Bg5+=) 20...Rc7 (20...Bg5 21.a4 Rb8 22.ab5 Rb5 23.Rdb1=) 21.Bh5 (21.Bd7 Rd7 22.Be5 Bd6 23.Bd6 Rd6+=) 21...Nf6 (21...Bf6 22.a4=) 22.Be5+= Rb7 (22...Rd7 23.Bg4 Ng4 24.Qg4+=) 23.Rab1 (23.d4 cd4 24.Bd4 Rd7+/–) 23...Nh5 24.Qh5 Bg5 (24...Bd6 25.Bb2+/–) 25.Bg3 (25.f4 Qe7+/–) 25...Qa8 (25...b4 26.f4 Bf6 27.Bf2=) 26.Qe2 White prepares the advance e5 (26.Bd6 Qa7+/–) 26...b4 (26...Bf6 27.e5+/–) 27.f4 (27.Qc2 Be7+/–) 27...Bd8 (27...Be7 28.Bf2+=) 28.e5 (28.Bf2 Bb6+/–) 28...Bb6 29.Bf2 f5 (better is 29...Ra7!? 30.Rd2 Qd5+=) 30.d4+– cd4 31.Bd4 (31.Qc4 Kh8+–) 31...Bd4+/– 32.Rd4 Qa7 33.Qc4 (33.Qf2 Reb8+–) 33...Kh7 34.Kf2 (better is 34.Kh1+/–) 34...Rd8 (34...b3 35.Qa4 Qc5 36.Kf1+=) 35.Rbd1+= Rd4 (35...Rbd7 36.Ke3+=) 36.Qd4 (36.Rd4!? Rc7 37.Qb4 Rc2 38.Ke3 Ra2 39.g3=) 36...Qa2= 37.Kf1 (37.Rd2!? Qe6 38.Rb2=) 37...b3–/+ 38.Qd3 g6 (38...Qc2!? 39.Qe2 Rb4–+) 39.Qd5 (39.Rb1 Kg7=) 39...Qa6 40.Kf2 b2 41.Rb1 Qa1?? (better is 41...Qa7 42.Ke2 Rd7–/+) 42.Qb7+– Kg8 43.Qb2 (43.Qb2 Qb2 44.Rb2+–; 43.Ra1?! ba1Q 44.Qc8 Kg7 45.Qd7 Kh8+–) 1–0. Goldmund,Heike – Bromo,Alexis, FICGS, 2015.

7.d4 ed4 8.Nd4 Be2 9.Ne2 (9.Qe2 0–0+=) 9...Nc6 10.0–0 Nb4 11.Nd2 (11.Qb3 c5 12.Nd2 d5=) 11...Nd3 12.Bd4 c5 (12...Ne5!?+=) 13.Bf6= Bf6 (worse is 13...gf6 14.Qb3 Nb4 15.a3+–) 14.Rb1 Rb8 (better is 14...b5!?=) 15.Ne4+/– d5? (better is 15...Ne5 16.Nd6 Ke7+/–) 16.Nf6+– (16.Qd3?! de4 17.Qe4 Qe7=) 16...Qf6 17.Qd3 dc4 18.Qc4 1–0. Janek – Henry, internet, 2016.

7.d4 e4 8.Nfd2 Be2 9.Qe2=.

5.Nf3 b6

6.b5 e4 7.Nd4 0–0 =+.

6.Qc2 0–0 7.a4 Be6 8.Ng5 Qd7 9.f4 ef4?? ( 9...Na6 10.b5 Nb4=) 10.Bf6+– g6 11.Be7 Qe7 12.Ne6 Qe6 13.e4 (13.Ra3 Nc6 14.b5 Nd4+–) 13...Re8 14.Nc3 Nc6 15.Rb1 f5 16.Bd3 Nd4 17.Qa2 f3 18.gf3 Nf3 19.Kf2 (19.Kd1 c6+–) 19...Ng5? (19...Ne5 20.Be2 fe4 21.Kg2+/– (< 21.Ne4 Qf5 22.Kg3 Qe4–+)) 20.c5 (20.ef5 gf5 21.Rbg1+–) 20...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? ( 32...a5 33.ba5 ba5+–) 33.Nd5+– Ke6 34.Nb6 h6 (34...d5 35.a5 h6 36.b5 g5 37.Ke3 f4 38.Kf2 ab5 39.a6+–) 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 (7...e4 8.Nd4 0–0 9.f3=) 8.b5 (8.bc5 Nc5 9.d4 ed4 10.ed4 Nce4+=) 8...0–0 (8...e4 9.Ng5 h6 10.Nh3=) 9.d4 Qc7 (9...e4 10.Nfd2=) 10.d5 (10.Bd3 e4–+) 10...a6 11.a4 (11.ba6 Re8=) 11...Bb7 (11...e4 12.Nfd2=) 12.Nc3 Qc8 (12...e4 13.Nd2 Ne5 14.Nde4 Ne4 15.Ne4+/–) 13.e4 Nh5 (13...Qd8 14.Qd3=) 14.Nd2 (14.ba6 Ba6 15.a5 ba5 16.Ra5 Nf4=) 14...Nf4= 15.Nf3 (15.Bg4 Nd3 16.ba6 Ba6+= (16...Nb2 17.ab7 Qb7 18.Qb3+/–; worse is 16...Ra6 17.Rb1+=)) 15...Qd8 (15...f5 16.Re1=) 16.Bc1 Ne2 17.Ne2 (17.Qe2 f5=) 17...ab5+= 18.cb5 f5 19.ef5 (19.Qc2 Nf6 20.a5 fe4–+) 19...Rf5 (19...e4 20.Ne1+=) 20.Ng3 Rf7 21.Ne4 h6 (21...Nf6 22.Nf6 Bf6 23.Re1+=) 22.Ra3 (22.Re1 Nf6 23.Nf6 Bf6+=) 22...Nf6+= The isolani on d5 becomes a target 23.Nf6 Rf6 (23...Bf6 24.Re1+=) 24.Re3 (24.Re1 Qd7=) 24...Rf4+= 25.Ra3 Rf6 (25...Rf5 26.Qc2 e4 27.Qe4 Rd5 28.Re1=) 26.Re1 (26.Re3 Qd7=) 26...Qf8 (26...Qd7 27.Rc3=) 27.Re4 (27.Rc3 Qf7 28.Rd3 c4–/+) 27...Rg6 (27...Qf7 28.Rd3+=) 28.Nh4 (28.Rc3 Qf7 29.Rd3 Rf6+=) 28...Bh4+= Black gets in control 29.Rh4 Qf7 30.Rd3 Rf8 Threatening mate: Qxf2 31.Be3 Bc8 32.h3 (32.Rc4 Bh3 33.g3 Bf5+=) 32...Qf6+= 33.Rh5 Bd7 34.f3? (34.Rc3!?+=) 34...Be8 (34...Qf3 35.Qf3 Rf3–+) 35.Bf2? (better is 35.f4!?–/+) 35...Rg2!–+ 36.Kg2 Bh5 37.Qe2 (37.Rc3 e4! 38.Qd2 Bf3 39.Kh2 Ra8–+) 37...Re8 (37...Qg5 38.Kh1–+) 38.Qe3 (38.Rc3 e4! 39.Qc4 e3–+ (39...Bf3?! 40.Kf1–+)) 38...Qg6 Black plans e4 39.Bg3 (39.Kh2 Rf8 40.Qe2 e4 41.Qe4 Qe4 42.fe4 Rf2 43.Kg3 Re2–+) 39...e4 (39...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 (7.d3 c6 (7...a6 8.Bg2 0–0 9.0–0 Re8 10.Nc3 Nbd7 11.a3 c5 12.b5=; 7...0–0 8.Bg2 a6 9.0–0 Re8 10.Nc3 Nbd7 11.a3 a5 12.b5=) 8.Bg2 (8.Bc3 Nbd7 9.Bg2 0–0 10.0–0 Re8 11.Nbd2 d5 12.a4=) 8...0–0 9.0–0 a5 10.ba5 Ra5 11.Nfd2 Nbd7 12.f4=) 7...0–0 (7...e4 8.Nh4 (8.Nd4 0–0 9.b5 a6 10.d3 d5 11.0–0 dc4 12.dc4=) 8...0–0 9.0–0 d5 10.f3 dc4 11.fe4 Ne8 12.Nf5=) 8.0–0 (8.d3 c6 9.0–0 Nbd7 10.a4 Qc7 11.Nbd2 c5 12.b5=) 8...Na6 (8...e4 9.Ng5+= a5 10.b5 d5 11.cd5 Qd5 12.f4–/+) 9.a3 (9.b5 Nc5 10.d4 ed4 11.ed4 Nce4 12.d5=) 9...c5 (9...e4 10.Ne1 d5 11.cd5 Qd5 12.Nc3=) 10.Qb3 cb4 (10...e4 11.Ne1 (11.Ng5 cb4 12.ab4+=) 11...d5 12.b5+=) 11.ab4+= Qd7 (11...e4 12.Ne1+= (12.Nd4 d5 13.Ra4+=)) 12.Rd1 (12.d3 b5+=; 12.Nc3=) 12...Rfc8 (better is 12...e4 13.Ne1 d5=) 13.c5?? (better is 13.d3+=) 13...bc5–/+ 14.Ng5 (better is 14.b5 Nb4 15.Nc3–+) 14...Bf8?? (better is 14...c4 15.Qa4 Bg2 16.Kg2 Qb7 17.f3 Nb4–+) 15.Bh3+= Ng4 16.Bg4 (better is 16.Qc4 h5 17.b5–/+) 16...c4?? (better is 16...Qg4 17.Qf7 Kh8–/+) 17.Bd7 (better is 17.Qc2 f5 18.Bf5+–) 17...cb3 18.Bc8 Rc8 (18...Bc8 19.b5 Nc7 20.b6 ab6 21.Rc1+–) 19.b5 Nc5 (19...Nc7 20.Ra7 Rb8 21.b6+–) 20.Ra7 Be7 (20...Ra8 21.Ra8 Ba8 22.d4 ed4 23.Rd4+–) 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 (8...Bg4 9.Be2 Be2 10.Qe2 cb4 11.Nb4 Nbd7 12.d3 ed3=; 8...d5 9.bc5 dc4 10.cb6 ab6 11.Bc4 Bg4 12.Be2 Be2=) 9.b5 (9.Bg2 Ne5 10.Be5 de5 11.h3 Qd3 12.Bf1 Qd6–/+) 9...Ne5 10.Be2 a6 11.ba6 Ra6 12.0–0–/+ Nd3–/+; B) 7.Ng1 0–0 8.f3 d5 (8...Bb7 9.Bg2 d5 10.cd5 ef3 11.Nf3 Bb4 12.0–0 Bd5–/+) 9.Bf6 Bf6 10.Nc3 Bb7 (10...Be6 11.Rc1 dc4 12.Ne4+= 12...b5+=) 11.cd5 Bd5 12.Bg2 Nc6–/+; C) 7.Nh4 0–0 8.Nc3 (8.b5 a6 9.d3 ab5 10.cb5 d5 11.Nc3 c5 12.de4+= d4+=; 8.f3 d5 9.a3 c6 10.cd5 cd5 11.Nc3 a5 12.b5 Be6+=) C1) 8...d5 9.a3 C11) 9...dc4 10.Bc4 a5 (10...a6 11.f3 ef3 12.Qf3= c6=) 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 (8.Qa4 Bd7 9.b5 0–0=) 8...0–0 9.Be2 c6 10.Nc3 Nbd7 (10...Re8 11.0–0=) 11.0–0= b5 (better is 11...Re8!?=) 12.a4+/– a6? (better is 12...ba4!? 13.Qa4 Bb7+/–) 13.ab5+– cb5 14.Bb5! Rb8 (14...ab5 15.Ra8 Pinning (15.Ra8 Deflection)) 15.Ba6 Rb4 16.Ba3 Rb8 (16...Ba6 17.Bb4 Bf1 18.Qf1+–) 17.Bd3 Qa5 (17...Re8 18.Re1+–) 18.Qc2 Bb7 (18...h6 19.Ne5 Bb7 20.c6 Ba3 21.cd7+– (21.cb7?! Rb7 22.Nd7 Nd7+–)) 19.Rfb1 (better is 19.Rfe1!? Ne4 20.Nd5 Bd5 21.Be4 Be4 22.Re4 Rfe8+–) 19...Bc6 20.Bc1 Qc7 21.g3 (21.Rb8 Rb8 22.Ne2 Re8+–) 21...Ra8 (21...Rb1 22.Rb1 Qd8 23.Bf4+–) 22.Bf4 Qc8 23.Nb5 Nb8?? (better is 23...Ra1 24.Ra1 Ne4+–) 24.Ra8 (24.Na7!? Qd7 25.Bb8 Rfb8 26.Rb8 Rb8+–) 24...Ba8 25.Na7 Qg4 26.Qe2 (better is 26.Ne5!? Qh5 27.c6 Nc6 28.Nec6 Bc6 29.Nc6 Re8+–) 26...Nc6 27.Nc6 Bc6 28.Ne5 (28.h3 Qh5 29.Ne5 Qe2 30.Be2 Ba8+–) 28...Qe2 29.Be2 Ba8 30.c6 (30.Bg5 Re8 31.Bb5 Rb8+–) 30...Bd6 31.Rc1 (better is 31.Ng6 hg6 32.Bd6 Bc6 33.Bf8 Kf8 34.h4+–) 31...Bc7? (31...Rc8 32.Ba6 Rc7 33.Bb5+–) 32.Bf3 (32.Nd7 Bf4 33.Nf6 gf6 34.gf4 Re8+–) 32...h6 (32...Rc8 33.Bg2+–) 33.g4 (33.Nd7!? Nd7 34.Bc7 Nf6+–) 33...Rd8 (33...Rc8 34.h4+–) 34.g5 hg5 (34...Ne4 35.gh6 gh6 36.Nd3 Bf4 37.Nf4+–) 35.Bg5 Kf8 (35...Rc8 36.Bf6 gf6+–) 36.Nd7! Ke7 (36...Nd7 37.Bd8 Pinning (37.Bd8 Deflection)) 37.Bd5 (better is 37.Re1 Kd6 38.Nf6 Kc6 39.Ne8+–) 37...Rd7 38.cd7 Kd7 (38...Bh2 39.Kh2 Bd5+–) 39.Ba8 Ne8 (39...Nh5 40.Bc6 Ke6+–) 40.Bc6 Kd6 (40...Ke6 41.Be8 Bd6 42.Re1 Kd5 43.Bf7 Kd4 44.Re6+–) 41.Be8 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 (14.a4 Rc8 15.b5 a5 16.Rc1+=) 14...Nc5 15.Nd4 Qd7 (15...Bf8+= 16.Nc6+=) 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 (15...Re8+= 16.f4+=) 16.b5+=; B2) 14.Rc1 Re8 15.b5 ab5 16.Bb5+=.

10.0–0 Re8 11.Nc3 (11.Re1 c6 12.Nc3 cd5 13.cd5 Nbd7 14.b5 ab5 15.Bb5 Ra5+= 16.Nd4+=) 11...c6 A) 12.Re1 cd5 13.cd5 Nbd7 14.b5 Nc5 (14...ab5 15.Bb5 Ra5 16.a4+/–) 15.Nd4 Qd7 (15...Qc7+= 16.ba6+/–) 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+/–.

10.a4 c5 11.b5 (11.Qb3 cb4 (11...Nbd7 12.0–0 b5 13.ab5 ab5 14.bc5 Nc5 15.Qb5 Ba6=; 11...Re8 12.0–0 Nbd7 13.Re1 cb4 14.Qb4 Nc5 15.Nbd2 Bc8=; 11...Bc8 12.0–0 Re8 13.Re1 Nbd7 14.b5 Ng4 15.Nc3 Bf6+=; 11...Qc7 12.0–0 Re8 13.Re1 Nbd7 14.b5 Nh5 15.ba6 Ba6+=; 11...Nh5 12.0–0 Nf4 13.Re1 Nd7 14.Nbd2 Re8 15.Ne4 cb4=) 12.Qb4 Nbd7 13.0–0 Nc5 14.Re1 Re8 15.Nbd2 Bc8=) 11...Nbd7 (11...Ne4 12.Nbd2 Bf6 13.Bf6 Nf6 14.0–0 Re8 15.Bd3 Nbd7+=; 11...Re8 12.0–0 Bc8 13.Re1 Nbd7 14.Bd3 Nf8 15.Nc3 Bg4+=) 12.0–0 ab5 (12...Ne4 13.Bd3 f5 14.Nc3 Bf6 15.Qc2 Bc3+=) 13.ab5 Ne4 (13...Ra1 14.Ba1 Ng4 15.Bd3 Bf6+=) 14.Nbd2 (14.Ra8 Qa8 15.Bd3 Nef6+/–) 14...Ndf6 (14...Ra1 15.Ba1 Nd2 16.Qd2+=) 15.Qc2 (15.Ra8 Ba8+/–) 15...Nd2 16.Nd2 Qd7 17.Ne4 Qf5?? (better is 17...Ne4 18.Qe4 Ra1 19.Ra1 Bc8+/–) 18.Nf6+– (18.Nf6 Qf6 19.Bf6 Bf6 20.Ra8 Ra8 21.Re1+–) 1–0. Nielsen,Joergen Axel – Hansen,B, Randers Denmark, 1974.

10.a4 c6 11.0–0 A) 11...Re8 12.Re1 (12.Rc1 cd5 13.cd5 Nbd7 14.b5 Ne5 15.ba6 Ba6 16.Ba6+=; 12.a4 a5 13.b5 cd5 14.cd5 Nbd7 15.Re1 Rc8 16.Rc1+=; 12.Qd2 cd5 13.cd5 Nbd7 14.Rfe1 Ne5 15.Rad1 Nfd7 16.Ne5+=; 12.a3 cd5 13.cd5 Nbd7 14.Qd4 Ne5 15.Rfe1 Rc8 16.Rac1=) 12...cd5 13.cd5 Nbd7 14.b5 (14.a4 Ne5 15.b5 Nf3 16.Bf3+=) A1) 14...Nc5 15.ba6 (15.Nd4 Qc8 16.ba6+=) 15...Na6+= 16.Bb5+/–; A2) 14...Qc8 15.Nd4 Nc5 16.ba6+=; B) 11...cd5 12.cd5 Nbd7 13.Re1 Ne5 14.b5 (14.Rc1 Re8 15.a4 Nfd7+= 16.Nd2+=) 14...Nf3 15.Bf3 Re8 16.Be2+=.

10.a4 c6 11.Rc1 A) 11...Qd7 12.0–0 Re8 13.Re1 Qf5 14.Bd3 (14.Na4 Bd8 15.Bf6 Qf6+/– 16.c5+/–) 14...Qf4 15.Ne2 Qg4 16.Ng3+/–; B) 11...c5 12.bc5 (12.Qb3 Re8 13.0–0 cb4 14.Qb4 Nbd7 15.Rfe1 Rc8 16.Rb1+=; 12.a3 Re8 13.0–0 Nbd7 14.Re1 Bc8 15.Bd3 Ne5 16.Ne5+=) 12...dc5 13.Qc2 (13.0–0 Re8 14.Re1 Qd6 15.Qc2 Nbd7 16.Bd3+=) 13...Re8 14.0–0 Qd6 (14...Bd6 15.Rfe1 Bf4 16.Rcd1+=) 15.Rfe1 (15.Bd3 Nbd7 16.Rfe1+=) 15...Nbd7+= 16.Bd3+=; C) 11...Nh5 12.Qd2 (12.dc6 Nc6 13.Nd5 Nf6 14.0–0 Nd5 15.cd5 Ne5 16.Re1=) 12...Re8 13.0–0 Bf6 14.Rfe1 cd5 15.cd5 (15.Nd5 Bb2 16.Qb2+=) 15...Nd7+= 16.a3+=; D) 11...Re8 12.0–0 cd5 13.cd5 b5 14.Nh4 (14.Re1 Nbd7 15.Nd4 Ne5 16.Nb3+=) 14...Nbd7 15.Nf5 Ne5+= 16.Qd2+=; E) 11...Ng4 12.0–0 Re8 13.Re1 Bf6 14.Qd2 (14.Nd4 Ne5 15.dc6 Nbc6+= 16.Nf5+=) 14...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 (15...Rc8= 16.Re1=) 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=.

10.a4 Re8 11.0–0 a5 12.b5 Ne4 13.Nbd2 Nc5 14.Nd4 Bc8 15.Qc1 Bf6+=.

10.Nc3 Re8 11.0–0 A) 11...c6 12.Re1 (12.Rc1 cd5 13.cd5 b5 14.Nh4 Nbd7 15.Nf5 Ne5 16.Re1+=) 12...cd5 13.cd5 Nbd7 14.b5 ab5 ( 14...Ra7 15.ba6 Ba6+/– 16.Nd4+/–) 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 (32...Ka7 33.Rb7 Ka8 34.Qa4 Ba5 35.Qa5 Ng4 36.Bd3) 33.Ba5 Kd6 (33...Kd7 34.Qc7 Ke6 35.Rb6 Rd6 36.Rd6) 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 (11...c6 12.bc6+/–) 12.Nb3 (12.d5+/–) 12...Re8? (12...Qc7 13.f3+=) 13.a4 (13.g4 cd4 14.Nd4 Be6 15.Ne6 fe6+–) 13...Qc7? (13...Bg6 14.d5+=) 14.a5 (better is 14.g4!? d5 15.gf5 dc4 16.Bc4 cd4 17.Nd5+–) 14...h6+= 15.Qd2 Bd8 16.ab6 ab6 17.Ra6 Nb8 18.Ra8 Qe7 (18...d5 19.dc5 (19.Nd5?! Nd5 20.cd5 c4=) 19...dc4 20.Bc4+=) 19.Rfa1 Bc7 20.R8a7 Qd8 21.Rb7 (21.d5 Nbd7+/–) 21...Nbd7 22.Raa7 (22.d5 Bb8+/–) 22...Bb8 23.Ra6 Rc7 24.Rc7 Qc7 25.Na4 (better is 25.d5!?+/–) 25...d5= 26.g3 dc4 27.Bc4 cd4 28.Qd4 Ne5 29.Be2 Qc2 (better is 29...Nd3 30.Bd3 ed3+=) 30.Bd1?? (30.Qd1 Qd1 31.Bd1=) 30...Nf3–+ 31.Bf3 ef3 (31...Qb3?! 32.Be2 Bc8 33.Rb6= (worse is 33.Nb6 Ba6 34.Bc4 Be5 35.Bb3 Bd4–/+)) 32.Nd2 (32.Nb6 Re3!! 33.Ra1 Rb3–+ (33...Qb3?! 34.Qe3 Qb2 35.Rd1–+)) 32...Qd1 33.Nf1 Bd3 34.Qd3 Qd3 35.Rb6 (35.Bf6 Qb5 36.Rb6–+) 35...Ne4 36.Bd4 Qe2 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 (12.Qb3 b5 13.Nc3 bc4 14.Bc4 Bf8 15.Rfc1 Rc8 16.Nb5 Qb6+=) 12...Bf8 13.Qc2 (13.Qb1 Qe7 14.Bd1 cb4 15.ab4 a6 16.Bc2 b5+/–) 13...Qe7 14.b5 (14.Rfb1 Bc8 15.Nb5 Qd8 16.Qa4 a6+=) 14...g6 (14...Bc8 15.Rab1 a6 16.ba6 Ra6+/–) 15.a4 Bg7 16.a5 Bh8 (16...a6 17.ab6 Nb6 18.Rfb1+=) 17.Rfe1 Bg7 18.Rf1 (18.ab6 Nb6 19.Reb1 Bc8+/–) 18...Bh6 (better is 18...Bh8!?=) 19.Ra2 ba5 20.Ra5 Nb6 (20...a6!?+/–) 21.Rfa1+– Nc8 22.Bd1 Bg7 23.Qb3 Qd7 24.Bc2 Qf5 (24...Nb6 25.Nde4 (25.Nce4?! Ne4 26.Ne4 Bb2 27.Qb2 Re4 28.Be4 Nc4+/–) 25...Ne4 26.Be4+– (26.Ne4?! Bb2 27.Qb2 Re4 28.Be4 Nc4+/–)) 25.f3 Qg5 26.Nce4 Ne4 27.Ne4 (27.Be4?! Bb2 28.Qb2 f5+=) 27...Re4 (27...Qe7 28.Bg7 Kg7 29.Qc3 Qe5 30.Qe5 Re5 31.f4+–) 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 (36.f5 Qe7 37.Re1 Nb6 38.f6 Qf6+–) 36...Qe7 37.Re1 Qd8 38.f5 Nb6 39.fg6 fg6 40.Rf3 Qd7 41.Bd3 (41.Rf6 Qe7 42.Rg6 Kh8 43.Rh6 Kg8 44.Bh7 Qh7 45.Rh7 Rf8 46.Rh8 Kh8 47.Qf8 Kh7 48.Re7 Kg6 49.Qg7) 41...a5 (41...Nd5 42.Qb2 Kg8 43.Bg6 Qg4 44.Bf7 Kh7 45.Qc2 Kh8 46.Bd5 Bd5 47.Qc3 Qg7 48.cd5 Qc3 49.Rc3 a6+–) 42.Re6 (42.Rf6 Qe6 43.Rfe6 Kg8 44.Rg6 Kh8 45.Qf6 Kh7 46.Qg7) 42...Qe6 43.de6 Bf3 44.Qf3 (better is 44.Qb2 Kg8 45.Qf6+–) 44...Rf8 45.Bf5 Kg8 (45...Nc4 46.Qb7 Kf6) 46.e7 Re8 (46...gf5 47.ef8R Kf8 48.Qf5 Ke7 49.Qh7 Kd8 50.Qh6 Ke7+–) 47.Be6 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 (13.Qf4 cb4 14.Rd1 f5+= 15.a3 ba3+=) 13...cb4= 14.Qb3 (14.f3 Nec5 15.Qd2 a5= (15...Qe7=); 14.Qd4 f6 15.Rd1 Ndc5=) 14...a5 (14...Qg5 15.Bf3 Nec5+=) 15.Rd1 (better is 15.Bd4!?= Qg5=; 15.Qc2 Qg5=) 15...Qg5 (15...Qh4+=) 16.g3 Ndc5 17.Qc2 Rad8 18.Nd2 Nd2 (18...Qf5 19.Nf3–/+) 19.Rd2+= Rd2 20.Qd2 Rd8 21.Qc2 (21.Bd4 Qf5+=) 21...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 (10...a5 11.d4 e4 12.Ne1=) 11.d4+= White gets in control 11...ed4 12.Nd4 Qd7 13.Bf3 White plans b5 13...Nc6 14.b5 Na5 15.Bb7 Nb7 16.Qf3 Nc5 17.Rad1 (17.Nf5 a6+/–) 17...a6 18.Nc6 ab5 (18...Nd3 19.Ne7 Qe7 20.Bf6 Qf6 21.Qf6 gf6 22.Ne4+/–) 19.cb5+/– Nd3 20.Ne7 Qe7 21.Bf6 Qf6 22.Qf6 gf6 23.Ne4 (better is 23.Nb3!? Ne5 24.Ra1+=) 23...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 0–0 7.d3+=.

6.a4 Be6 7.Nc3 (7.Be2 0–0+=) 7...0–0 8.Be2 Nbd7 9.d4 ed4 (9...e4 10.Nd2=) 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 (worse is 17...Qc6 18.Rfd1+=) 18.cd5 Nd5 19.Ne4 Ne4 20.Be4 (better is 20.Qe4!? Qd7 21.Rfd1=) 20...Ne3+= 21.Bh7 (21.fe3 A pinning theme 21...Rf1 A classical mating theme) 21...Kh8 22.Qg6 Nf1 23.Qh5 Threatening mate... how? 23...Ng3 24.fg3 Rb8 (24...Qb6 25.Kh2 Bg3 26.Kg3 Qf2 27.Kh2 Qf4 28.Kh1 Rf6 29.Bf6 Rf6 30.Bd3 Kg8 31.Qe8 Rf8 32.Qe6 Qf7 33.Qc6 Qh5+–) 25.Bc3 (25.Bg6 Kg8 26.Qh7 Kf8 27.Bg7 Ke7 28.Qh4 Kd7 29.Bf7 Rb4 30.Be6 Ke6 31.Qf6 Kd7 32.Qf5 Ke8 33.Re1 Qe7 34.Re7 Be7+–) 25...Bg3?? (better is 25...Qb6 26.Kh2 Qc5 27.Qc5 Bc5–+) 26.Bg6+– Kg8 27.Qh7 Kf8 The mate threat is Qb6 28.Bg7!! (28.Bf7?! Qf7 29.Rf1 Bf4+–) 28...Rg7 Deflection from f1 29.Rf1 Bf4 30.Qh8 Ke7 31.Qg7 (31.Qg7 Kd8 32.Qf8 Kd7 33.Rd1 (worse is 33.Qf4 Qf4 34.Rf4 Kd6+–) 33...Bd6 34.Qf7 Kc8 35.Qe6 Qd7 36.Rd6 Qe6 37.Re6+–) 1–0. Zschalich,Arndt – Eck,W, corr DDR–ch M736, 1988.

6.a4 Bg4 7.Be2 Nbd7 8.0–0 Nb6 (8...0–0!?=+) 9.a5 Nbd7 10.d4 Bf3 (10...e4 11.Nh4 Be2 12.Qe2=) 11.Bf3 ed4 (11...e4!? 12.Be2 d5 13.cd5 Nd5+=) 12.a6 de3 13.ab7 ef2 14.Rf2 Rb8 15.Bf6 Bf6 16.Qd6 Ba1 (16...Be5 17.Re2 Qe7 18.Qc6+–) 17.Bc6+– Be5?? ( 17...f6 18.Bd7 Kf7+–) 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 (14...Nh5!? 15.Qf2 Nf6+=) 15.Nc4+/– Qa6? (better is 15...Qd8+/–) 16.Qg7+– Rg8 (16...Qc4 17.Qh8 Ng4+–) 17.Nd6!! Kd8 (17...Bd6 18.Rf6) 18.Qf7 (18.Nf7?! Kc7 19.Qh6 Ng6+–) 18...N8d7 19.Rf6! Nf6 (19...Nf6 20.Nf5; 19...Bf6 20.Qg8) 20.Nf5 Re8 21.Ne7 1–0. Buss,Michael – Godfrey,Joaquim, USCF89CA156, 1989.

6.Nc3 Bg4 7.Be2 Qd7 (7...Na6 8.b5 cb5 9.cb5=) 8.0–0 e4 9.Nd4 White terminates the opponent with strong threats 9...d5 (9...Be2 10.Qe2 d5 11.c5=) 10.a3 (10.Bg4 Qg4 11.Qg4 Ng4 12.cd5 Nf6+=) 10...a6 (10...Be2!? 11.Qe2 dc4 12.Qc4 a5=) 11.Bg4+= Ng4 12.cd5 Nf6 (12...cd5 13.d3 Nf6 14.f3+=) 13.dc6 bc6 (13...Nc6 14.Nc6 bc6+/–) 14.Qc2+– Qg4 15.f3 ef3 16.Rf3 c5 17.Nf5 (better is 17.Rg3 Qh5 18.Nf5+–) 17...Nc6?? (17...cb4 18.Nd5!? Bd8 19.Nf6 gf6+–) 18.Rg3+– Qc4 (18...Qg3 19.Ng3 Rc8+–) 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 Be6 7.0–0 0–0 8.d4 e4 9.Nfd2 d5 10.a3 Qc7 11.cd5 cd5 12.h3 h6 (12...Rc8 13.Nc3=) 13.Nc3 Nh7 (13...Rc8 14.Rc1 Qd6 15.Nb3=) 14.Nb5 (14.Rc1 Qd8+=) 14...Qd7= 15.Rc1 Rc8 16.Rc8 Qc8 17.Qb3 a6 18.Rc1 Nc6 19.Nc3 Bd6 (better is 19...Nf6!?+=) 20.Nd5+/– Bh3?? (better is 20...Ng5+/–) 21.Nb6+– (21.gh3?! Qh3 22.Nf4 Bf4 23.ef4 Qd7+–) 21...Qf5 (21...Bh2 22.Kh2 Qc7 23.Kh1 Bg2 24.Kg2 Qb6 25.Ne4+–) 22.Na8 (22.gh3?! Qh3 23.f4 ef3 24.Bf3 Rd8+–) 22...Ng5 23.Rc5 (better is 23.Bf1!? Qg6 24.Qd5 Kh8+–) 23...Qg6 24.Rg5 (better is 24.g3!? Bg3 25.fg3 Nf3 26.Kf2 Nd2+–) 24...Qg5 25.Bf1 Nd4 (25...Be6 26.Qd1 Qg6+–) 26.Bd4 Be6 27.Qc3 Qh4 28.Be5 Be7 (28...Be5 29.Qe5 Qd8 30.Nc7+–) 29.Bg7 f6 (29...Bd6 30.Be5 Be5 31.Qe5+–) 30.Nc7 (30.Qc7!? Kf7 31.Qb7 f5+–) 30...Bd7 (30...Bf7 31.Bc4 Kg7 32.Bf7 Kf7 33.Qc4 Kg7 34.Ne6 Kh7 35.Nf4+–) 31.Qc4 (better is 31.Nd5 Kg7 32.Ne7 Qg4+–) 31...Kg7 32.Ne6 Kh8 (32...Be6 33.Qe6 f5 34.Bc4+–) 33.Ne4 (33.Nf4 Bf5 34.Qf7 Bd6 35.Ne4 Bf4 36.Qf8 Kh7 37.Nf6 Kg6 38.Qg8 Kf6 39.Qd8 Kg6 40.Qh4 Bg5+–) 33...f5 0–1. GuestVYKR – GuestNHLB, freechess.org, 2017.

6.Be2 Bf5 7.Nh4 Be4 (7...Be6 8.Nc3=) 8.Bf3 (8.Nc3!?+/–) 8...Bd3 (8...Na6 9.a3+=) 9.Be2= Be2 10.Qe2 (worse is 10.Ke2 Qd7 11.h3 Na6–/+) 10...Ne4 11.Nf3 Nd7 12.d3 Ng5 13.0–0 0–0 14.Ng5 Bg5 15.f4 (better is 15.Nd2!?=) 15...ef4–/+ 16.ef4 Re8 17.Qf3 (17.Qf2 Bh4 18.g3 Bf6+=) 17...Bf6 18.d4 White prepares the advance c5 18...a5 19.b5 a4 (19...Qb6 20.Rd1–/+) 20.a3 (20.bc6 bc6 21.Qc6 Rb8–/+) 20...Nb6 (20...Qb6!? 21.Qf2 cb5–+) 21.Nd2 d5 22.c5 Nc4 23.Nc4 dc4 24.bc6 (24.Rfd1 Qe7–/+) 24...Bd4 (24...bc6!? 25.Rad1 Rb8–+) 25.Bd4+= Qd4 26.Qf2 Qf2 27.Rf2 bc6 28.Rf3 (28.Rc2 Re4+=) 28...Re4 (28...Ra5!?–+) 29.Rb1–/+ f5 30.g3 (30.Rb6 Rc8–/+) 30...Rd4 (30...Rd8 31.Kf1–/+) 31.Rc3 Rad8 32.Kg2 (32.Rb4!?–/+) 32...Rd2–+ 33.Kh3 R2d3 (better is 33...R8d3!? 34.Rc4 Ra3–+) 34.Rc4+= Ra3 35.Rbb4 (35.Rb6!?+=) 35...Ra8–/+ 36.Rb6 (36.Rc2 Kf8–/+) 36...Ra1 (better is 36...Ra2–+) 37.Rc6?? (37.Rd4 Re1 38.Rd7=) 37...a3–+ 38.Rd6 (38.Rc2 a2 39.Kh4 h6–+) 38...a2 39.Rcd4 (39.Rc2 Rh1 40.Rd8 Rd8 41.Ra2 Rc1–+) 39...Rb1 (better is 39...Rc1 40.Rd8 Rd8 41.Rd8 Kf7 42.Rd7 Kg6–+) 40.c6 (40.Rd8 Rd8 41.Rd8 Kf7 42.Rd7 Kg6 43.Ra7–+) 40...a1Q 41.Rd8 (41.Rd2 Qc3 42.Rd7–+) 41...Rd8 42.Rd8 Kf7 43.c7 Rh1 44.c8Q (44.Rd7 Kg6 45.Rd2 Qf1 46.Kh4 Qd1 47.Rd6 Qd6 48.g4 Qf4 49.c8Q Rh2) 44...Qf1 45.Kh4 Rh2 46.Kg5 Rh5!! 47.Kh5 (47.Kh5 Qh3 Mate attack) 47...Qh3 48.Kg5 Qg4 0–1. GuestJCLC – GuestSQJB, freechess.org, 2017.

6.Be2 Bg4 7.0–0 0–0 (7...Nbd7 A) 8.Nc3 0–0 (8...Qb6 9.a3 0–0 10.Qc2 h6 11.h3 Be6 12.d4 a5) 9.h3 Bf5 10.d4 a5 11.b5 h6 12.c5 e4; B) 8.h3 Bf5 (8...Bf3 9.Bf3 e4 10.Be2 Qb6 11.a3 0–0 12.Nc3 a5) 9.Nc3 0–0 10.d4 h6 11.Qd2 Nb6 12.c5 dc5; C) 8.a3 e4 (8...0–0 9.Nc3 Bf5 10.d4 h6 11.Nh4 Bh7 12.Nf3 Bf5) 9.Nd4 Be2 10.Qe2 Ne5 11.Nc3 0–0 12.Rab1 a5; 7...a5 A) 8.ba5 Qa5 (8...Nbd7 9.h3 Bf5 10.Nc3 Ra5 11.g4 Bg6 12.Nh4 Nc5) 9.Nc3 Na6 10.h3 Bf5 11.d4 0–0 12.Qb3 Rfe8; B) 8.b5 cb5 9.cb5 0–0 10.h3 Bf5 11.d4 e4 12.Nfd2 Nbd7; 7...e4 A) 8.Nh4 Be2 (8...Bd7 9.f4 Na6 10.a3 0–0 11.Nc3 Ne8 12.g3 f5) 9.Qe2 Na6 10.a3 g6 11.f3 0–0 12.fe4 Ne4; B) 8.Nd4 Be2 9.Qe2 Nbd7 10.Nc3 Ne5 11.f3 ef3 12.gf3 0–0) 8.a4 (8.a3 a5= (8...e4 9.Nd4 Be2 10.Qe2 Nbd7 11.f3 d5 12.cd5 cd5) 9.Nc3 Na6 10.b5 Nc5 11.d4 ed4 12.Nd4 Be2; 8.h3 Bf5 (8...Bf3 9.Bf3 Qb6 10.a3 a5 11.Nc3 ab4 12.ab4 Ra1) 9.Nc3 Nbd7 10.d4 h6 11.Qd2 Qb6 12.a4 a6; 8.Nc3 Nbd7 (8...Qb6 9.a3 Nbd7 10.Qc2 h6 11.h3 Be6 12.d4 a5) 9.h3 Bf5 10.d4 Qc7 11.Nh4 Be6 12.d5 cd5) 8...Nbd7 (8...e4 9.Nd4 Be2 10.Qe2= Nbd7 11.Nc3 Ne5 12.Rab1 Qd7; 8...Na6 9.b5 Nb4 10.Nc3 Bf5 11.d4 e4 12.Nh4 Be6; 8...Qb6 9.b5 a6 10.h3 Bf5 11.a5 Qd8 12.b6 c5) 9.b5 (9.d3 Qc7= (9...Qb6 10.Bc3 d5 11.Ne5 Ne5 12.Be5 Be2) 10.Nc3 a5 11.b5 h6 12.h3 Be6; 9.Nc3 Qb6 10.b5 h6 11.h3 Bf5 12.Nh4 Bh7) 9...c5 (9...Re8 10.d4= (10.Nc3 Qc7 11.Qc2 Nc5 12.d4 ed4) 10...ed4 11.Nd4 Ne5 12.Bg4 Nfg4; 9...h6 10.Nc3 Bf5 11.d4 a6 12.Qd2 Qc7) 10.d4 (10.Nc3 Bf5 11.d3 h6 12.e4 Be6) 10...cd4 11.ed4 ed4 (11...e4 12.Nfd2 Bf5 13.Nc3=; 11...Qc7 12.Nc3 Rac8) 12.Bd4 (12.Nd4 Ne5= (12...Be2 13.Qe2 Re8+=); 12.h3 Bf3) 12...Nc5 (12...Re8 13.Nc3=; 12...Qc7=) 13.Nc3 (13.Re1 d5 14.Nbd2 Re8=) 13...Qc7 (13...Qa5 14.Re1=) 14.h3 (14.Re1 Rfe8+=) 14...Bf3 (14...Bf5!?=) 15.Bf3+/– Rad8 (15...Rfe8 16.Re1+/–) 16.Re1 (16.Bf6 Bf6 17.Nd5 Qc8 18.Nf6 gf6+–) 16...Rfe8 (16...Rde8 17.Nd5 Nd5 18.Bd5+/–) 17.a5 (17.Bf6 Bf6 18.Nd5 Qd7 19.Nf6 gf6+/–) 17...Ne6 18.a6 b6 (better is 18...d5!? 19.Bf6 Bf6 20.Nd5 Qc4 21.Nf6 gf6+/–) 19.Bc6+– Nd7 (19...Nd4 20.Qd4 (20.Be8?! Qc4 21.Re7 Re8+/–) 20...d5 21.Be8 dc4 22.Bf7 Kf7 23.Qh4+–) 20.Nd5 Qc8 21.Bc3 Nf6? (21...Bf8+–) 22.Be8 Re8 23.Ne7 Re7 24.Bf6 gf6 25.Qd6 Rd7 (25...Qc7 26.c5! Qc5 27.Qc5 bc5 28.b6+–) 26.Qg3 Kh8 27.Rad1 Rc7 (27...Rd1 28.Rd1 Qc4 29.Rd7 Qb5 30.Ra7+–) 28.Re4 (28.Qh4 Kg7 29.Qg4 Kf8+–) 28...Rc4 29.Rc4 Qc4 30.Rd7 Ng5 (30...Qb5 31.Ra7 Ng5 32.Rf7 Nf7 33.a7 Qb1 34.Kh2+–) 31.h4 Ne6 (31...Qb5 32.Qd6 Kg7 33.hg5 Qg5+–) 32.Ra7 Qc1 33.Kh2 Qc8 34.Rb7 h5 35.Rb8 1–0. Janek – baemby, internet free game, 2017.

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 (27.Kh5 Qh2 28.Kg6 Rf6) 27...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 (14...Qd8 15.g3=) 15.g4 (15.Qg3 d5 16.b5 dc4 17.Bc4 Kh8 18.bc6 bc6 19.Ng6 Bg6 20.Qg6 Rb8+=) 15...d5 16.Ba3 Ndf6? (better is 16...fg4 17.cd5 Qd8=) 17.g5+– (17.gf5?! Nd6+=; 17.Nf5?! Bf5 18.gf5 Nd6=) 17...hg5 18.fg5 g6 (18...Ng4 19.Bg4 fg4 20.Rf8 Bf8 21.g6+– (21.cd5?! Qf7+–)) 19.gf6 Nf6 20.Ng2 g5 21.Qg3 (21.b5 Kf7+–) 21...Bd6? (21...Qg3 22.hg3 Kf7+–) 22.Qg5 Kh8 23.Qh4 Rf7 (23...dc4 24.Rf5 Bh2 25.Kh1+– (25.Qh2?! Qh2 26.Kh2 Bf5+–)) 24.Rf5 Rg8 (24...Bh2 25.Kh1 (25.Qh2?! Qh2 26.Kh2 Bf5+–) 25...Bg3 26.Qh6+– (26.Rf6? Bh4 27.Rf7 Qf7–+)) 25.Rg5 (better is 25.Rf6 Bh2 26.Kh1+–) 25...Bh2 26.Kh1 (26.Qh2?! Qh2 27.Kh2 Rg5+/–) 26...Bg3 27.Rg8 Kg8 28.Qg5 Kf8 (28...Rg7 29.Qh6+– (29.Qf6 Rg6 30.Qf1 Rh6 31.Bh5 Rh5 32.Kg1 Bh2 33.Kf2 Rf5 34.Nf4 Bf4 35.Qg1 Rg5–+)) 29.b5 (better is 29.Rf1!? Qd6 30.c5 Qc7 31.Rf6 Rf6 32.Qf6 Qf7 33.Qf7 Kf7+–) 29...Ke8 (29...Bd6+–) 30.b6 ab6 31.ab6 Qb8 32.cd5 Bg8 (32...Bf2+–) 33.Bh5 (33.Bh5 c5 34.Rf1+–) 1–0. Dumontelle,Joe – Deline,R, North Bay CAN, 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.b5 (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 Can d5 get defended? 15...Nc5 16.dc5 d4 (16...Rfd8 17.Na4 d4 18.Nc4=) 17.Ncd5 Qc5 (17...Nd5 18.Nd5 Qc5 19.Ne7 Qe7=) 18.Ne7?? (better is 18.Bd4 Qd4 19.Ne7 Kh8 20.Rd1+=) 18...Qe7= 19.Nc4 (better is 19.Ba3!? Qc7 20.b6+=) 19...d3–/+ 20.Bd1 Rfc8 (better is 20...e3 21.Bf3 Qc5–/+) 21.Qa3+= Qd7 22.Nd2 Bg4? (22...Qb5 23.Bf6 gf6 24.Qd6= (24.Ne4? Qe5–+)) 23.Bg4 (better is 23.0–0!? Bf5 24.Bf6 gf6 25.Qa4+–) 23...Qg4 24.0–0 Rc2 25.Rad1 (25.Bf6 Rd2 26.Bd4 Qh5 27.Bg7 Qb5+/–) 25...Qe2 (25...Nd5 26.g3=) 26.Bc1 (better is 26.Bf6 gf6 27.Nb1+/–) 26...e3+= 27.Nf3 (27.fe3!? Qe3 28.Kh1+=) 27...ef2 28.Kh1 Re8 (better is 28...Ra2!? 29.Qd6 Ne4–/+) 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 (40.Rd7 f6+/–) 40...g6 (40...Rc6!? 41.bc6 Ke7+=) 41.Rc7 a4 42.Nd4 (42.Ra7 Re4+–) 42...Rd6 43.Nc6 a3 44.Ra7 Rd5 45.Ra3 Rb5 46.Ra7 Rb1 47.Kh2 b5 48.Ra8 (48.Rb7 g5+–) 48...Kg7 49.Rb8 Kf6 50.Rb6 Kg5 51.Nd4 b4 52.Kg3 h5 (52...f5 53.Nc6+–) 53.h4 Kh6 54.Kf3 (54.Nc6!? Rb3 55.Kh2 Kg7+–) 54...Rf1 55.Ke2 Rb1 56.Rb8 Kg7 57.Nf3 Rb2 58.Nd2 Kf6 59.Kd1 g5 (59...Kf5 60.Kc1 Ra2 61.Rb4+–) 60.Rb6 Kf5 61.Kc1 (61.Rb5 Kf4 62.Rg5 f6 63.Rh5 Ra2+–) 61...Ra2 62.Rb5 Kg4 (62...Kf4 63.Rb4 Ke3 64.Rb3 Kf2 65.hg5 Kg2 66.Nf3+–) 63.Rg5 Kf4 64.Rh5 b3 (64...f5 65.Rg5+–) 65.Nb3 (65.Rb5 f5+–) 65...Ke3 (65...Rg2 66.Rh7 Rh2+–) 66.g3 Kd3 67.Rf5 Rg2 68.Rf3 Ke4 69.Nd2 Rd2 (69...Ke5+–) 70.Kd2 Kf3 71.h5 Kg3 72.h6 f5 73.h7 f4 74.h8Q f3 (74...Kg4+–) 75.Ke3 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 (9.d4 e4 10.Nd2 cb5 11.Nb5 Nc6+=) 9...Bg4 (9...cb5 10.Nb5 Bd7 11.a3+=) 10.0–0 (10.h3 Bh5+=) 10...Nbd7 (10...cb5 11.Nb5 Qd7 12.d3+=) 11.h3 Bh5 12.d4 Bg6 (12...Qc7 13.a4+=) 13.Bd3 Bd3 14.Qd3 a4 15.Ba3 Nb6?? (better is 15...cb5 16.cb5 Re8+=) 16.de5+– Ne8 (16...de5 17.Qd8 Bd8 18.Bf8+–) 17.bc6 bc6 18.Rab1 Nc8 19.Rb7 de5 (19...Nc7 20.Rd1 d5 21.Nd4 Ba3 22.Nc6+–) 20.Qd8 Bd8 21.Bf8 Kf8 22.c5 (better is 22.Ne5 Ned6 23.Rbb1 c5+–) 22...Bf6 (22...f6 23.Rd1 Be7 24.Ne4+–) 23.Rd1 e4 (23...Ra7 24.Rdd7 Rb7 25.Rb7+–) 24.Ne4 Na7 (24...Ne7 25.Rdd7 Nd5 26.Nf6 Ndf6 27.Rf7 Kg8 28.Nd4+–) 25.Rdd7 Nb5 26.Nf6 gf6 27.Rf7 Kg8 28.Nh4 a3 (28...Nbc7 29.Rd7 h5+–) 29.Rbe7 Nc3 30.Ng6 1–0. pierre – palbowl, internet, 2009.

5.Nf3 Nc6

6.a3 0–0 7.Be2 h6 8.h3 (8.d3 Bg4=) 8...Be6 (8...e4 9.Nd4+=) 9.Qc2 (9.d4 ed4 10.ed4 d5=) 9...e4+= 10.Nd4 Nd4 11.Bd4 c6 (11...c5 12.Bf6 Bf6 13.Nc3+=) 12.Bb2 (12.Nc3 d5=) 12...b6 (12...a5 13.d3+=) 13.0–0 c5 (13...a5 14.d3 ab4 15.ab4 Ra1 16.Ba1=) 14.f3 ef3 15.Bf3 Rc8 16.b5 d5 17.d3 dc4 18.dc4 Bd6 (18...Qd6 19.Nd2 Rcd8 20.Bf6 Bf6 21.Ne4=) 19.Nd2 (19.Bb7 Rc7 20.Bf6 gf6+=) 19...Bc7 (19...Qe7 20.Bf6 Qf6 21.Ne4=) 20.Ne4 (20.Bb7!? Rb8 21.Bf6+/–) 20...Ne4= 21.Qe4 (21.Be4!? Qd6 22.Rf4=) 21...Re8 22.Rad1 Bh3?? (better is 22...Qg5 23.Bg4 Bg4 24.Qg4 Qg4 25.hg4 Re3–/+) 23.Rd8+– Rcd8 24.Qc6 Bg2 (24...Rc8 25.gh3 Be5 26.Qd7 Bb2 27.Bh5+–) 25.Bg2 Bd6 (25...Re7 26.Bd5 Bd6 27.Kg2+–) 26.Bd5 Re3 (26...Re7 27.Kh1+–) 27.Rf7 Re1 (27...Rg3 28.Kf2 Kh8 29.Ra7 Rg4+–) 28.Kf2 1–0. GuestFDJX – GuestAFGX, freechess.org, 2017.

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 (27.Qc6?? Bh2 28.Kh2 Rc6–+) 27...Rfe8 28.Qc3 Qf4 29.g3 (29.Qc6?? Qh2 30.Kf1 Qh1) 29...Qf5 30.Kg2 Rh6 31.h4 g5?? (better is 31...Rf6=) 32.d5+– Be5 33.Re4 Bc3 34.Re8 (34.Bc3!? Kg8 35.Re8 Qf8 36.hg5 Rg6 37.dc6 Rc6+–) 34...Kg7 35.Bc3 Kf7 (35...Kg6 36.R8e6 Kf7 37.Re7 Kg8 38.Re8 Qf8 39.hg5+–) 36.R1e7 Kg6 37.Re6 (37.Rg7 Kh5 38.f3 Rf6 39.g4 Kh6 40.gf5 Kg7 41.Re7 Kf8 42.Bf6 gh4 43.dc6 h3 44.Kh3 h5 45.Rc7 h4 46.Re7 Kg8 47.c7 Kf8 48.c8Q) 37...Kh5 38.Re5 Qd3 (38...Qe5 39.Re5 Rg6+–) 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 Na5

7.Bc3 c5=.

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 (8.Be2 Be6 9.Qa4 c6=) 8...0–0 9.Be2 (9.d4 e4 10.Nd2 Bf5+=) 9...b6 (9...Be6 10.d3+=) 10.0–0 (10.d4=) 10...Nb7 (10...Be6!?=) 11.d4+= White gets in control 11...ed4 12.Nd4 Nc5 (12...a6 13.Bf3 Qc8 14.Nd5+/–) 13.Bf3+/– Rc8 (13...Rb8 14.Nc6 Bc6 15.Bc6+/–) 14.Nc6 Bc6 15.Bc6 a5 (15...Rb8 16.a5+/–) 16.ba6+– Na6 (16...Nfd7 17.a7 Ne5 18.a8Q Ra8 19.Ba8 Nc4 20.Bd5 Nb2 21.Qb1+–) 17.Bb7 Nb4 (17...Nc5 18.Bc8 Qc8 19.Nd5+–) 18.Bc8 Qc8 19.Nd5 Nfd5 (19...Nbd5 20.cd5 Qf5 21.Bf6 Bf6 22.Rc1+–) 20.cd5 c5 21.dc6 Nc6 22.Rc1 Qd7 (22...Qa8 23.e4+–) 23.Qb3 (23.Qd5 Nb4 24.Qd4 Bf6 25.Qb4 Bb2 26.Qb2 Rb8+–) 23...Rb8 (23...Ne5 24.f4 Ng6 25.Bd4+–) 24.Qc3 Do you see the mate threat? 24...Ne5 (24...Bf6 25.Qc6 Qc6 26.Rc6 Bb2 27.Rb1+– (worse is 27.Rd6 Kf8+–)) 25.f4 Bf6 26.fe5 Be5 27.Qb3 Bb2 28.Qb2 Qa4 29.Qd4 (29.Qb6! Qe8 (29...Rb6?? 30.Rc8 Qe8 31.Re8) 30.Qd4 Rb7+–) 29...Qd7 (29...Qd4 30.ed4 b5 31.Rc7+–) 30.Rfd1 Rd8 (30...b5 31.e4+–) 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 (8.Bc3 b6=) 8...c5 (8...a6 9.ba6 Ra6 10.c5=) 9.Be2= a6 10.a4 b6 (10...Re8 11.0–0=) 11.0–0 Bf5 12.e4 (12.Bc3 Nb7=) 12...Bg6 (12...Bd7 13.Ne1=) 13.Bc3 (13.Nh4 Nb7+=) 13...Nb7= 14.Ng5 (14.Ne1 Nd7=) 14...Nd5 (14...Nd7 15.Nh3=) 15.Nf7+= (worse is 15.ed5 Bg5 16.Nf3 Bf6=) 15...Nc3 16.Nd8 Nd1 17.Nb7 Nc3 18.Bg4 h5 (18...Rfb8 19.ba6 Ra6 20.Ra3 Rb7 21.Be6 Kf8 22.Rc3 Ra4 23.Rb3=) 19.Be6+= Kh8 (19...Kh7 20.ba6 Ne2 21.Kh1 Ra6+=) 20.Rfe1 ab5 21.cb5 (21.ab5 Ne2 22.Kf1+=) 21...Na4 (better is 21...Ra7 22.Nc4 Rb7=) 22.Nc4+/– Nc3 (22...Kh7 23.Ra3+/– (23.Nbd6?! Bd6 24.Nd6 Nb2+=; 23.Ncd6?! Nb2=)) 23.Ra8+– (23.Nbd6?! Bd6 24.Nd6 Ne2 25.Kf1 Nf4 26.Ra8 Ra8+=) 23...Ra8 24.Ncd6 (24.Nb6!? Ra7 25.Nd5 Nd5 26.Bd5 Ra3+–) 24...Be8 (better is 24...Bd6!? 25.Nd6 Ne2 26.Kf1 Nf4+=) 25.Bc4+/– (25.Ne8?! Re8 26.Bd5 Nd5 (worse is 26...Nb5 27.Rb1 Nd4 28.Rb6+=) 27.ed5 Rb8=) 25...Bg5 (25...Ne2 26.Kf1 Nd4 27.Ne8 Re8 28.Ra1+/–) 26.Ne8 White gets the initiative 26...Bd2 27.Rf1 Re8 (27...Ne2 28.Kh1 Re8 29.Nd6+/–) 28.Ra1 Rf8 29.Nd6 Rf6 (29...Kh7!? 30.Ra7+/–) 30.Nf7 (30.Ra8 Kh7 31.Bg8 Kg6+–) 30...Kh7 31.Ra8 Rf7 32.Bf7 Nb5 33.Re8 Nd4 34.Re5 g6 35.Rd5 (35.Re7 Ba5+–) 35...Kg7 36.Rd7 (36.Be8 Kf6 37.e5 Ke6 38.Rd6 Ke5 39.Rb6 g5 40.Bh5 Ba5+–) 36...b5 (36...Kf6 37.Be8+–) 37.Be8 (37.e5 Bc3+–) 37...Kf6 38.Rd6 (better is 38.Rf7!? Ke5 39.g3+–) 38...Ke7+/– 39.Rd4 cd4 40.Bb5 Kf6 (40...g5 41.g3+–) 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 =.

6.b5 Nb8

7.Qc2 c6 8.Nc3 0–0 9.a4 h6 10.d4 ed4 11.Nd4 c5 12.Nf5 Bf5 13.Qf5 Nbd7 14.Be2 Ne5 15.0–0 Qd7 16.Qd7 Ned7 17.a5 Ne5 18.f4 Ned7 19.Bf3 Rab8 20.a6 b6 21.g4 Rfd8 22.h4 White prepares the advance g5 22...Nh7 23.g5 hg5 24.hg5 f6? (24...Re8+–) 25.g6 Nhf8 (25...f5 26.Bd5 Kh8 27.gh7 Bf6+–) 26.Bd5 Kh8 (26...Ne6 27.Be6 Kf8+–) 27.Kg2 Nh7 (27...Ne6 28.Rh1 Kg8 29.Be6 Kf8 30.Rh8) 28.Rh1 Ndf8 29.Rh7 Nh7 30.Rh1 1–0. pcmvr (2860) – brainstorm, net–chess.com, 2011.

7.d4 e4!? 8.Nfd2 c6=.

7.d4 Bg4 8.de5+/– de5 9.Qd8 Bd8 (9...Kd8 10.Ne5 Be6 11.Nc3+/–) 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.

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.Nc3= c6 7.Qb3 0–0 8.d4 e4 9.Nd2 d5 10.a3 b6? (better is 10...dc4!? 11.Bc4 Nb6 12.Nde4 Ne4 13.Ne4 Nc4 14.Qc4 a5=) 11.cd5+/– cd5 12.Nd5 Nd5 13.Qd5 Rb8 14.Ne4 Bb7 15.Qf5 g6 16.Qf4 Re8 17.Bd3 Be4 18.Be4 (18.Qe4? Bb4 19.ab4 Re4 20.Be4 Qe7–+) 18...Bg5 19.Qf3 Nf6? (better is 19...Be3 20.0–0 Bh6+–) 20.Bc6 Re7 21.h4 Bh6 22.g4 (22.Qf6? Re3 23.fe3 Qf6–+) 22...Bg7 23.h5 Rc8 24.Rc1 Nd5 (24...h6+–) 25.Bd5 Rc1 26.Bc1 Bd4 27.0–0 Bg7 28.Rd1 Qc7 (28...Qf8 29.e4 Rc7 30.Kg2+–) 29.e4 1–0. b4_player – story, casual, 2013.

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 (7.Bd4 c5 8.Bc3 cb4 9.Bb4 Ne5=) 7...0–0 8.Bd3 h6 (8...d5 9.c5=) 9.0–0 b6 (9...Re8 10.Re1+=) 10.d5 a5 11.a3 ab4 12.ab4 Bb7 (12...Ra1 13.Ba1 b5 14.Nd4 bc4 15.Nc6+/–) 13.Nd4 Ra1 14.Ba1 Ne5 15.Nf5 Nd3 16.Qd3 Bc8 17.Re1 Bf5 18.Qf5 Re8 19.Re3 (19.Nc3 Qa8+/–) 19...Qd7 (19...b5 20.cb5 Qa8 21.Bf6 Bf6 22.Qd3=) 20.Qd7+/– Nd7 21.Bd4 (21.Na3 g6+/–) 21...Kf8+= 22.Kf1 f6 (22...Bf6 23.Bf6 Nf6 24.Re8 Ke8 25.Nc3+=) 23.Ra3 Ne5 24.Nd2 Bd8 (24...c5 25.dc6 Nc6 26.Bb6+=) 25.f4 Nd7 26.Ra7 Kg8 (26...f5 27.Nf3+/–) 27.Ra8 (27.f5 Kh7+–) 27...Kh7 (27...f5 28.Nf3 Kf7 29.Ra7+/–) 28.Nb3 (28.g4 b5+/–) 28...Kg6 29.Bf2 Kf7 (29...b5 30.cb5 f5 31.Na5+/–) 30.Nd4+– Be7 (30...Nf8 31.Nc6 Be7 32.Ra7+–) 31.Re8+/– Ke8 32.Ne6 g5 33.Nc7 Kf7 34.fg5 fg5 35.Bd4 (35.Ne6 Bf6+–) 35...Bf6+/– 36.Bf6 Kf6 37.Ne6 (better is 37.Nb5!? Ke5 38.Ke2+/–) 37...Ne5+= 38.c5 (38.Ke2 Nc4 39.Kd3 b5+=) 38...dc5= 39.bc5 bc5 40.Nc5 Nf7 (40...Nc4 41.Ne6=) 41.Nd3 (41.Nd7 Ke7 42.Nb6 Kd6=) 41...Ke7+= 42.Kf2 (42.Nb4!?+=) 42...Kd6= 43.Kf3 Kd5 44.Kg4 Ke6 (44...Kd4 45.Nb4=) 45.Kh5 Kf6 (45...Kd6 46.Kg6 Ke7 47.Nf2+=) 46.Nf2+= Kg7 (46...Ne5 47.Ne4 Kf5 48.Kh6 Ng4 49.Kh5 Nh2 50.Ng5+=) 47.Ng4+/– Kh7 (47...Nd8+/–) 48.Ne3 (better is 48.Nh6 Nh6 49.Kg5 Nf7 50.Kf6+–) 48...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 (better is 8.Be2=) 8...Bg4 (better is 8...d5!?=) 9.Ne4+/– d5 (9...Ne4 10.Qe4 Qc8 11.d5+/–) 10.Nf6 Bf6 11.c5 Nc4 (11...Nc8 12.Bd3+/–) 12.Bc4+– dc4 13.Qc4 Qd7 (13...c6 14.0–0+–) 14.b5 (14.Nc3 Be6 15.Qe2 0–0+–) 14...Qe6 (14...Be6 15.Qe2+/–) 15.Qe6 (15.d5 Rd8 16.Bf6 Qf6+–) 15...Be6 16.Nd2 (16.Nc3 a6+–) 16...0–0 (16...a6 17.a4+–) 17.0–0 (17.Ne4 Be7+–) 17...Bd7 (17...Rfe8 18.a4+–) 18.a4 a6 (18...Rfe8 19.Rfc1+–) 19.b6 cb6 20.cb6 Rac8 (20...Rfe8 21.Rfc1+–) 21.Rfc1 (21.Ne4 Be7+–) 21...Rc1 22.Bc1 Bd8 (22...Rc8 23.a5+–) 23.a5 (23.Ba3 Re8 24.a5 Bc6+–) 23...Re8 (23...Be7 24.Ba3 Ba3 25.Ra3+–) 24.e4 (24.Ba3 Bc6+–) 24...Bg5 (24...h6 25.f4+–) 25.e5 (25.Nf3 Bd8 26.Ne5 Bb5+–) 25...Bd2 (25...Rc8 26.Nb3 Be7 27.Be3+–) 26.Bd2 Bb5 (26...Rc8 27.f3+–) 27.f4 (27.Rc1 f6 28.f4 Rd8+–) 27...f6 (27...Rd8 28.Bc3+–) 28.g4 (28.Rc1 Rd8 29.e6 h5+–) 28...h6 (28...Rd8 29.Bc3+–) 29.Re1 (29.Rc1 fe5 30.de5 Rd8+–) 29...Re6 (29...fe5 30.de5 Rd8 31.Be3+–) 30.f5 (30.Kf2 fe5 31.de5 Rc6+–) 30...Rc6 31.Rc1 (31.e6!? Rc4 32.Be3 Bc6+–) 31...Rc1 32.Bc1 Kf7 (32...fe5 33.de5 h5+–) 33.e6 Ke7 34.Ba3 Kd8 35.Bf8 Ke8 (35...g6 36.fg6 Bc4 37.e7 Ke8 38.Kg2+–) 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 (9.Qb3 Nb6=) 9...Nb6 (9...0–0 10.Qb3 Nb6 11.cd5 cd5 12.Ba3=) 10.Be2 (10.c5 Nbd7=) 10...Be6 (10...cb5 11.cd5 Bb4 12.Bb5 Bd7 13.Qb3 Bc3 14.Bc3 Bb5 15.Qb5 Qd7 16.Rb1 Qb5 17.Rb5 Nbd5 18.Bb2=) 11.c5 Nc8 (11...Nbd7 12.0–0=) 12.a4 (12.0–0 0–0=) 12...Bd7 (12...Qc7 13.0–0=) 13.0–0+= 0–0 14.Qb3 (14.f3 ef3 15.Nf3 b6+=) 14...Qc7= 15.f3 Be6 (15...ef3 16.Nf3 b6 17.cb6 Nb6 18.Ne5+=) 16.fe4 Ne4 17.Nce4 de4 18.Bc4 Bc4 19.Qc4 Bg5 20.Qb3 Qe7 (20...Re8!?+/–) 21.Rf5+– Bf6 (21...Bh6 22.Re5 Qd7 23.Rf1+–) 22.Raf1 (22.Rf4 Bg5 23.Re4 Qd7+–) 22...Re8 (22...cb5 23.ab5 a5 24.ba6 Ra6 25.R1f4+–) 23.R5f4 Qe6 24.Re4 Qd7 25.bc6 (25.Re8 Qe8 26.e4 Qd7+–) 25...bc6 26.Qb7 (26.Re8 Qe8 27.e4 Ne7+–) 26...Nb6+/– (26...Qb7?? 27.Re8) 27.Qd7 Nd7 28.Re8 (28.Rf5 h6+/–) 28...Re8 29.Nc4 Bg5 30.Rf3 (30.Kf2 Nf6 31.Ne5 Re6+–) 30...Nf6 (30...Rb8 31.Bc3+/–) 31.Ne5 (31.Bc3 Ne4 32.Be1 Re6+/–) 31...Re6 (31...Rb8!? 32.h4 Bh4+=) 32.Bc1 a6 33.Rf2 g6 34.Rb2 Nd5 35.Kf2 (35.Rb8 Kg7+–) 35...f6+/– 36.Nc4 Kf7 (36...f5 37.Rb8 Kg7 38.Ra8+–) 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 (13.Qc2 b6 14.a3 a5 15.Rfc1 b5=) 13...ef3 14.Rf3 (14.Bf3 b6 15.Qa4 Rb8=) 14...h6 (14...b6 15.Qa4 Qc7=) 15.Rg3 (15.Raf1 b6+=) 15...Nh7 (15...b6=) 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 (26...Nf4 27.Bf4 Bc4 28.Re1+=) 27.ba5+/– Ra5? (better is 27...Nf4! 28.Bf4 Bc4+=) 28.Ba5+– Qa5 29.Bd5 (29.Qb7 Nf4 30.Nc6 Ne2 31.Be2 Qe1 32.Bf1 Qe4–/+) 29...Be5 30.Re5 (30.de5?! Qc5 31.Rf2 Qd5 32.Qb7 Qe5+/–) 30...Bd5 31.Ra3 (31.Qb7?! Qd2 32.Qe7 Qd4 33.Kh1 Rb8+/–) 31...Qc7 32.Ra7 Rb8 33.Qe2 Be6 34.Qd2 Bd5 35.Qf4 Be6 36.Qg3 Qe7?? (36...Qd8 37.Re3 Ra8 38.Ra8 Qa8+–) 37.Re6! Qe6 (37...fe6 38.Qb8) 38.Qb8 (38.Qb8 Kh7 39.Qe5+–) 1–0. pierre – hoosty, internet, 2008.

7.Nfd2 c6 8.Be2 d5 9.0–0 0–0 10.Qb3 a6 11.Nc3 Nb8 A) 12.cd5 cd5 13.a3 Nc6 14.Rac1 Be6 15.Rc2 Bd6=; B) 12.a4 Be6 13.b5 Nbd7 14.cd5 cd5 15.Rfc1 ab5=; C) 12.Rac1 Be6 (12...dc4 13.Nc4 Be6 14.Qc2 Bb4 15.Ne4 Ne4= ) 13.a3 Bd6 14.cd5 cd5 15.f3 ef3=; D) 12.Rfc1 Qd6 (12...Be6 13.a4 Nbd7 14.Ba3 dc4 15.Bc4 Bc4= ) 13.b5 Bg4 14.bc6 bc6 15.Qb7 Nbd7=; E) 12.a3 Be6 13.f3 ef3 14.Nf3 Bd6 15.c5 Bc7=.

7.Nfd2 c6 8.Be2 d5 9.0–0 0–0 10.Qb3 a6 11.f3 A) 11...dc4 12.Nc4 ef3 13.Rf3 (13.Bf3 Nb6 14.Nbd2 Be6 15.Be2 Nbd7 16.Qa3+=) 13...Nb6 14.Nbd2 Bg4 (14...Be6 15.e4 Nc4= 16.Bc4=) 15.Rf6 Be2 16.Rf2=; B) 11...ef3 12.Rf3 (12.Bf3 dc4 13.Nc4 Nb6 14.Nbd2 Be6 15.Be2 Nbd7+= 16.Qa3+=) B1) 12...a5 B11) 13.Ba3 dc4 14.Nc4 a4 15.Qb2 b5 16.Na5=; B12) 13.b5 a4 14.Qc2 cb5 (14...Re8 15.c5 Nb8 16.Bd3= ) 15.cd5 a3= 16.Bc1=; B13) 13.ba5 Qa5 14.Nc3 Qb4 15.Qb4 Bb4 16.a3=; B14) 13.a3 dc4 14.Nc4 ab4 15.ab4 Ra1 16.Ba1+=; B15) 13.cd5 cd5 14.ba5 Qa5 15.Bc3 Qc7 16.Bb4=; B2) 12...Nb8 13.h3 (13.Bd3 dc4 14.Bc4 b5 15.Bd3 Be6 16.Qc2+= ; 13.Rf2 Bd6 14.c5 Bc7 15.Na3 Ng4 16.Bg4+= ; 13.Nc3 dc4 14.Nc4 b5 15.Ne5 Be6+= 16.Qc2+= ) 13...Be6 14.c5 b6 15.Qa4 Re8 16.a3=; B3) 12...Re8 13.Nc3 B31) 13...Nb8 14.c5 (14.Bd3 b5 15.c5 a5= 16.a4= ) 14...Bg4 15.Rf2 Nbd7 16.e4=; B32) 13...Nf8 14.cd5 cd5 15.Rc1 Be6 16.a3=; B4) 12...dc4 13.Nc4 Nb6 14.Nbd2 Bg4 (14...Be6 15.e4 Nc4= 16.Bc4=) 15.Rf6 Be2 16.Rf2=.

7.Nfd2 d5 8.a3 =.

7.Nfd2 Nf8 8.Nc3+= Bf5 9.Qc2 e4 draws heavy fire 9...Qd7 (9...d5!?+=) 10.d5+/– Ng6 11.Nce4 0–0–0 (11...Ne5 12.Bd3 Nd3 13.Qd3 Ne4 14.Ne4+/–) 12.Nf6 (12.Bd3 Ne4 13.0–0 Ng3 14.fg3 Bd3 15.Qd3 f6+–) 12...Bc2? (better is 12...Bf6 13.e4 Bb2 14.Qb2 Be4 15.Ne4 Rde8+=) 13.Nd7+– Kd7 (13...Rhg8 14.Rc1 Bf5 15.Bd4+–) 14.Bg7 Rhg8 15.Rc1 Ba4 (15...Rg7 16.Rc2 Ne5 17.Ke2+–) 16.Bb2 Ke8 17.Nf3 (17.Ne4 c5 18.Nf6 Bf6 19.Bf6 Rd7+–) 17...h5 18.h3 (18.a3 c5+–) 18...Bd7 19.g3 Bf5 20.Nd2 Ne5 21.Be5 (21.e4!? Bd7+–) 21...de5 22.e4 Bg4?? (22...Bg6 23.c5+–) 23.c5 (better is 23.hg4 hg4 24.c5+–) 23...Bc8 24.Be2 Rh8 25.Nc4 f6 26.0–0 (26.a3 h4+–) 26...Kf7? (26...Bh3 27.Rfd1+–) 27.Ne3?? (better is 27.h4+–) 27...Rdg8?? (better is 27...Bh3 28.Rfd1 Bf8+–) 28.Kh2 1–0. Krafzik,Joachim (1865) – Schoerghuber,Barbara, Bad Griesbach Seniors op 7th, 2004.

6.Be2 b6

7.0–0 Bb7 8.d3 e4 (8...a5 9.b5=) 9.Nd4 (9.de4 Ne4 10.Nbd2 Nd2 11.Qd2 0–0=) 9...ed3= 10.Bd3 Ne5 11.Be2 0–0 12.Nf3 (12.f4 Ng6+=) 12...Nf3 13.Bf3 Bf3 14.Qf3 Qd7 15.Nd2 Qe6 16.Qc6 (16.h3 Rfd8=) 16...Rfc8 (16...d5 17.cd5 Nd5 18.Qe6 fe6 19.a3=) 17.Nf3 Qg4 (17...Qe4 18.Nd4=) 18.h3 (18.Nd4 a5 19.b5 Qe4+=) 18...Qg6 19.Rad1 d5 (19...Ne4 20.Rd4 f5 21.Rd3+=) 20.a3 (20.cd5!? Bb4 21.Rd4+/–) 20...dc4+= 21.Rd4 Bd6 (21...Qc2 22.Ba1+=) 22.Rc4+/– h6 (22...Re8 23.Be5+/–) 23.Nh4 (23.e4 Nh5 24.e5+–) 23...Qd3 (better is 23...Qg5+/–) 24.Rd4?? (better is 24.Bf6 gf6 25.Rd4+–) 24...Qe2 (24...Qb3 25.Rd2 Qe6 26.Rc1=) 25.Ba1 1–0. GuestJLYL – GuestWBWF, freechess.org, 2017.

7.a3 Bb7 8.d3 0–0 9.Nbd2 c5 10.0–0 a5 11.b5 Qc7 12.Rc1 Rad8 13.h3 Rfe8 14.Qc2 d5 15.Qb3 (15.cd5 Bd5 16.Nc4 Bd6=) 15...e4+= 16.de4 de4 17.Ng5? (better is 17.Nh4+=) 17...h6–+ 18.Nge4 Ne4 19.Ne4 Be4 20.Bg7? (20.Rcd1–+) 20...Kg7 0–1. GuestFKWY – GuestPXTK, freechess.org, 2017.

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 White plans c5 18...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.d4 0–0!?=.

6.d4 f5 7.de5+/– de5 8.Qd8 Bd8 9.Be5 Rg8 10.c5 Be6 (10...Nc6 11.Bb5+/–) 11.Nd4+– Bd5 (better is 11...Nd7 12.Bc7! Bc7 13.Ne6 Be5+/–) 12.f3 c6 (12...Nf6 13.Nc3 Bf7 14.Nf5 Nc6+–) 13.fe4 Be4 (13...fe4 14.Nc3+–) 14.Bc4 Rf8 (14...Bd5 15.Bd5 cd5 16.Bb8 Rb8 17.Nc3+–) 15.Bg7 Rf7 16.Bf7 Kf7 17.Nd2 Bg2 (17...Kg7 18.Ne4 fe4 19.Ne6 Kg6 20.Nd8+–) 18.Rg1 Bd5 (18...Be4 19.Ne4 fe4 20.Bh8+–) 19.Nf5 Nd7 (19...b6 20.e4 Be6 21.Nd6 Ke7 22.Bd4+–) 20.e4 Be6 21.Nd6 Ke7 22.Bd4 Nf6 (22...b5 23.Ke2 Bc7 24.Rg7 Kd8 25.Rag1 Ba2 26.Rg8 Bg8 27.Rg8 Ke7 28.Nf5 Kf7 29.Ra8 Bh2 30.Ra7+–) 23.Rg7 Kf8 24.Rb7 (24.Rb7 Nd7 25.b5 cb5 26.c6+–) 1–0. Pierred (2260) – Jigonglu, Rated game, 2m + 0s, 2005.

6.Nd4 Nc6 7.Nc6= bc6 8.Be2 0–0 9.h3 (9.0–0 d5=) 9...a5 10.b5 cb5 11.cb5 d5 12.a4 Bb4 (12...Bd7 13.0–0=) 13.0–0= Qd6 14.Qc2 Bd7 15.f3 c5 16.Bf6 Qf6 17.Nc3 Bc3 18.dc3 (18.Qc3 Qg6+=) 18...Qg6= 19.fe4 (19.Kh1 Bf5 20.Qd2=) 19...de4 (better is 19...Bh3!? 20.Bf3 Rae8–/+) 20.Kh2 Rad8 21.Rf4 Be6 (21...f5 22.Bc4 Kh8 23.Raf1+=) 22.Raf1 (better is 22.Qe4!? Qe4 23.Re4+–) 22...f5= 23.g4 fg4 24.Bg4 Bg4 (24...Rf4 25.Rf4 Rd3 26.b6=) 25.Rg4 Qd6 26.Kh1?? (better is 26.Kg2=) 26...Rf1–+ (26...Rf1 27.Kg2 Rd1 28.Qa2 Kh8–+) 0–1. GuestDHVS – GuestWTNB, freechess.org, 2017.

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 Bg4 7.Be2 (7.f3 ef3 8.gf3 Bd7=) 7...Be2 8.Qe2 0–0 9.Nf5 (9.d3 d5 10.b5 a6=) 9...Nbd7 (9...Nc6 10.a3 Ne5 11.Be5 de5 12.Nc3=) 10.d4 (10.f3 ef3 11.Qf3 Ne5 12.Be5 de5 13.Qb7 Rb8 14.Qa7 Rb4=) 10...c5 (10...ed3 11.Qd3 a5 12.b5=) 11.a3 (11.bc5 dc5 12.0–0 Re8+=) 11...cd4 (11...Re8 12.0–0=) 12.ed4 (12.Bd4 Ne5=) 12...g6 (12...d5 13.0–0=) 13.Ne7+= Qe7 14.0–0 (14.Nc3 d5+=) 14...d5 15.c5 Qe6 16.Nc3 b6 (16...Rfe8 17.Rae1+/–) 17.Rae1 (17.f3 Rac8+/–) 17...bc5 (17...a5 18.f3+=) 18.bc5 (better is 18.dc5 a5 19.Nb5+/–) 18...Ng4? (18...Rab8 19.f3+=) 19.h3 (better is 19.f3 Ngf6 20.fe4 de4 21.Ne4+–) 19...Ngf6+/– 20.f3 Nh5 (20...Rab8 21.Bc1 Rfe8 22.Bf4+/–) 21.Qf2 (better is 21.fe4 Ng3 22.Qd1 Nf1 23.ed5+/– (23.Kf1?! Rab8 24.Bc1 de4 25.Ne4 Qc4 26.Kg1 Rfe8=)) 21...Nf4? (better is 21...f5+=) 22.fe4+– de4?? (better is 22...Nd3 23.ed5 Qa6+–) 23.Re4 (better is 23.Qf4 f5 24.d5+–) 23...Qf5 (23...Nh3 24.gh3 Qh3+–) 24.Rf4 Qg5 25.Rg4 (25.Rf7 Qd8+–) 25...Qh6 (25...Qd8 26.d5+–) 26.Nd5 f5 (26...Qg7 27.Re4 f5 28.Ne7 Kh8+–) 27.Ne7 Kf7 (27...Kh8 28.d5 Nf6 29.Qd4+–) 28.d5 (better is 28.Nf5 gf5 29.Qf5 Ke7 30.Qe4 Kd8 31.Qa8 Kc7 32.Rf8 Qf8 33.Qa7 Kd8 34.c6+–) 28...Ke7 29.Rb4 (29.Rh4 Qg5 30.Rh7 Kd8+–) 29...Kd8 30.c6 Nb6 (30...Re8 31.cd7 Re7+–) 31.Rb6 ab6 (31...Rf7 32.Bf6! Rf6 33.c7 Kd7 34.Rf6 Qg7+–) 32.Qb6 Ke7 33.Re1 (33.Qc7 Ke8 34.Qd7) 33...Kf7+– 34.d6 (34.Re7 Kg8 35.Qd4 Qe3 36.Re3 Rf6 37.Qf6 Ra3 38.Re8) 34...Rab8 35.Qa7 (35.Re7 Kg8 36.Rb7 Rb7 37.cb7 Re8 38.Qb3 Kf8+–) 35...Kg8 36.Bd4 (36.Qd4 Rb2 37.Qb2 g5 38.Qb3 Kh8 39.Qc3 Kg8 40.Qc4 Kh8+–) 36...Ra8 (36...Rfe8 37.Rf1 Rbd8 38.d7+–) 37.Qc5 (better is 37.Qe7 Rae8 38.Qe8 Re8 39.Re8 Kf7 40.Re7 Kg8 41.Bb2+–) 37...f4 (37...Rfe8 38.Qb4 Kf7+–) 38.Qd5 (38.d7 Ra5 39.Qc4 Rd5 40.Qd5 Rf7 41.Re8 Qf8 42.Rf8 Kf8 43.d8Q) 38...Rf7 39.d7 f3 40.Re8 Re8 (40...Qf8 41.Qe5 Rf6 42.Qf6 Re8 43.de8R f2 44.Kf1 Qe8 45.Qg7) 41.de8Q (41.de8N?! Qc1 42.Kh2 Qf4 43.Kh1 Qc1 44.Kh2 Qf4 45.Kh1 Qc1 46.Kh2=) 41...Qf8 42.Qf8 (42.Qdf7) 42...Kf8 43.Qd8 1–0. GuestTRNQ – GuestGQNB, freechess.org, 2017.

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 (9...Bf5 10.d3 Nc6 11.de4 Ne4 12.Nbd5 Bf6 13.Rc1=) 10.Nbd5 Re8 (10...Bf5 11.d3 ed3 12.Bd3 Bd3 13.Qd3=) 11.d4 (11.d3 Bf5 12.de4 Ne4 13.Ne4=) 11...Bd7 (11...Qa5 12.Qb3 Nd5 13.cd5=) 12.Be2 Bf5 (12...Rc8 13.0–0=) 13.0–0 Nd5 14.cd5 Nb4 15.Qb3 Nd3 (15...Qa5 16.a3 Nd3 17.Bd3 (17.Qb7?? Rab8 18.Qc6 Rec8–+) 17...ed3 18.Bc1+= (18.Qb7? Rab8 19.Qc6 Rec8–+)) 16.Bd3 (16.Ne4!? Nb2 17.Ng3+/–) 16...ed3+= 17.e4 (worse is 17.Qb7 Rb8 18.Qa7 Rb2–+) 17...Bg6 18.f3 (worse is 18.Qb7 Rb8 19.Qa7 Rb2–+) 18...b6 (18...Bg5 19.Nd1+= (worse is 19.Qb7 Rb8 20.Qa7 Rb2–+)) 19.Nb5 (better is 19.Qd1!?+/–) 19...a6= 20.Na3 b5 (20...f5!? 21.e5 f4=) 21.Qd3+= Qb6 22.Rac1 Rac8 23.Rc2 Rc2 24.Qc2 (24.Nc2 f5+/–) 24...Bf6 (24...f5 25.ef5 Bf7 26.Qc6=) 25.Rd1 h6 26.Nb1 b4 27.Qc4 Qb7 28.Rc1 Rb8 29.Qc6 Qa7 30.Rc4 b3 31.a4 (31.Qd6 ba2 32.Nc3 Bd4 33.Kf1 Rb2 34.Na2 Bg1–+) 31...Bg5 (better is 31...Be7!?+/–) 32.Qd6+– Be3 33.Kf1 a5 34.Ke2 Bg5 35.Nc3 (35.Rc7 Qa8 36.Qc6 Bf4 37.Qa8 Ra8+–) 35...Rd8 (35...Qa8 36.Qc6 Qa7 37.Nb5+–) 36.Qc7 Qa8 37.Rc5 Qa6 38.Nb5 Rf8 (38...Qf6 39.Rc6 (39.Qa5?! Qf4 40.Qe1 Bh5+–) 39...Qf4 40.Qf4 Bf4 41.g3+–) 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 (worse is 11...Neg4 12.Ne4 Qd7 13.Nf6 Bf6 14.Bf6 Nf6 15.0–0+=) 12.Kf1 Nb2 13.Qb1 (better is 13.Qe2 Ng4 14.Rb1 Nf2 15.Kf2 Nd3 16.Kg1–+) 13...Nc4 (13...Ng4?! 14.Qb2 Bf6 15.h3 Bc3 16.Qc3–/+) 14.Qd1 Ng4 15.Qg4 Nd2 (15...d5 16.bc5 Rc8 17.Qe2 Rc5 18.g3–+) 16.Ke2? (better is 16.Ke1 Nc4 17.Qe4–+) 16...f5 17.Qg3 (17.Qh3 Nc4 18.Ne4 Qd7–+) 17...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 =+.

7.Be2 c5

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

8.Nc2 Nc6 9.bc5 dc5 10.0–0 Be6 (10...Bf5 11.f3=+) 11.Nba3 a6 (11...Qd6 12.Nb5 Qb8 13.d4 ed3 14.Bd3=+) 12.f3 (12.Rb1 Qc7=+) 12...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 (15.Na4 Qa5 16.Ne1 Ne4–/+) 15...Qd6 (15...Ne5 16.Rf2 Nd3 17.Bd3 Qd3 18.Ne1 Qc4 19.d3–+) 16.Rf4 Qd8 17.Rf3 Ne5 18.Rf1 Nd3 19.Ra2? ( 19.Bd3 Bd3 20.Ne2–+) 19...Qd6 (19...Nb2?! 20.Rb2 Qd6 21.Rf4–/+) 20.Rf4 Nf4 21.ef4 Qf4 22.d4 (22.Ne1–+) 22...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 b6 10.0–0= Nc6 11.a3 Bb7 12.d4 cd4 13.Nd4 Bc5 (13...Qd7 14.Qc2+=) 14.Nf5= Nd7 (better is 14...Re8!?=) 15.Ng7 (15.Bg7 Re8+/–) 15...Nde5 16.Nf5 (better is 16.Nh5 Qh4 17.Nf4+/–) 16...Nd3?? (better is 16...Qf6 17.Ng3 Nf3 18.Bf3 Qb2 19.Be4 Qa1=) 17.Bd3 (17.Nh6) 17...ed3 (17...f6 18.Qg4 Kf7 19.Be4 Na5+–) 18.Qg4 1–0. GuestCCBG – GuestYDMG, freechess.org, 2017.

8.bc5 dc5 9.Nb3 Nc6 10.0–0 Nb4 11.Nc3 Be6 12.f3 ef3 13.Rf3 Nd3 14.Ba3 b6 15.Nd5 (15.Qf1!? Ne5 16.Rg3+=) 15...Ne5–/+ 16.Ne7 Qe7 17.Rf4 Rfe8 (17...g5!? 18.Rf1 Nc4+=) 18.Bb2= Nfd7 19.Qc2 Qg5 20.Raf1 Qg6 21.Qg6 Ng6 (worse is 21...fg6 22.d3+=) 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 (54...a5 55.Bb5 Be6 56.d5=) 55.Rc1 (55.Ra1 Nc2 56.Ra4 Bd7 57.Ra6 Ke7+=) 55...Bb7 (55...Be6!?+=) 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 (72.Re6?! h2 73.Re7 Kg6 74.Re6 Kh7 75.Re7 Kg6 76.Re6 Kg7 77.Re7 Kg6=) 72...Bd7 73.d5 Kg6 74.Rh8 Kg7 75.Ra8 Kg6 76.Ra7 Bf5 (76...Bg4 77.Kf4 Bd7 78.Kg3+– (78.Rd7?! h2 79.Rd6 Kh7 80.Rd7 Kg6 81.Rd6 Kh7 82.Rd7 Kg6=)) 77.Ra1 Bd7 78.Rg1 Kh5 79.Rg8 Kh6 (79...Bb5 80.d6+–) 80.Rd8 Kg6 81.d6 (81.Rd7?! h2 82.Rd6 Kg7 83.Rd7 Kg6 84.Rd6 Kh7 85.Rd7 Kg6=) 81...Bf5 (81...h2 82.Rh8+–) 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 (17...b6 18.N5d4 cd4 19.Be7 Qe7 20.Qd3 de3 21.Qe3+=) 18.Nc5 (18.Qc3 Qe6=) 18...Bc5+= (worse is 18...Nc5 19.Rf5 Nce4 20.Be7 Qf5 A) 21.Bf8?? Qf2 22.Kh1 Rd2 (22...Qe2?! 23.Nd4 Rd4 24.ed4 Kf8 25.Qb3–/+) 23.Qd2 Nd2–+; B) 21.Bd8 B1) worse is 21...Rd8 22.Rf1 Rd2 23.Qd2 (23.Rf5? Rc2 24.Bd3 Ra2–+) 23...Qf1 24.Kf1 Nd2 25.Ke1+=; B2) 21...Qf2 22.Kh1 Rd8+=; C) 21.Rf1 Rd2 22.Qd2 (22.Rf5? Rc2 23.Nd4 Rc1 24.Rf1 Rf1 25.Kf1 Re8–+) 22...Qf1 23.Kf1 Nd2 24.Ke1+=) 19.Bc5 Nc5 (19...Nf4 20.Qd1 Ne2 21.Qe2+=) 20.Rf5= Qd2 21.Qd2 Rd2 22.Rc5 Re2 23.Rc7 a6 24.Nd6 Ng4 (24...b5 25.cb5 Nd5 26.Rd7 ab5 27.Nb5 Ne3 28.g3=) 25.e4 Ne3 26.g3 b6 27.Rb7 Rb2 28.Re1 (28.a4 Rb4=) 28...Ng4 29.h3 (29.h4 Rd8=) 29...Ne5 30.Rf1 f7 draws heavy fire 30...Ra2 31.Rb6 a5 32.Ra6 a4 (32...Rd8 33.Rf2 Ra3 34.Kg2=) 33.Rf2 Ra1 (33...Ra3 34.Kg2=) 34.Kg2 Rd8 (34...Rb8 35.Ra7=) 35.Rc2 (35.Ra7 f6 36.Rd2 Kf8=) 35...Nd3 36.Rd2 Ra3 37.Ra5 f6 38.c5 Rc3 39.Ra4 Nc5 40.Raa2 Nd3 41.Nf5 Rd7 42.Ra8 Kf7 43.Rda2 Rcc7 (43...Ne5 44.R8a7 Rc2 45.Rc2 Ra7 46.Kf2=) 44.Ne3 (44.Kf3 Ne5 45.Kf2 Rc1=) 44...Nc5 (44...Rb7 45.g4=) 45.Kf3 Ne6 46.h4 Rb7 47.g4 h6 48.R8a3 Nd4 49.Kg3 Nc6 50.h5 Rb4 51.Ra4 Rb1 (51...Rbb7 52.R2a3=) 52.Kf2 (52.Kf4 Nd4=) 52...Rb3 53.Ra8 Rbd3 54.Nd5 Rb7 55.R8a3 Rd1 56.Ne3 Rc1 57.Kg3 Rd7 (57...Ne5 58.Kf4=) 58.Ra1 Rc5 (58...Ra1 59.Ra1 Ne5 60.Nd5=) 59.Rb1 (59.Nd5 Rc2+=) 59...Ne5 (59...Ke6 60.Kf4=) 60.Nd5 Rc2 61.Rab3 Re2 62.Rb4 Ra2 (62...Rd2 63.Rb7=) 63.R1b3 Ra1 64.Rb7 Rg1 65.Kh3 Kg8 (65...Rb7 66.Rb7 Kg8 67.Ne3=) 66.Rd7 (66.Ne7 Kf7 67.Nc6 Rh1 68.Kg3 Rg1 69.Kf2 Rgd1 70.Ne5 fe5 71.Rd7 Rd7=) 66...Nd7 67.Ne7 Kh7 (67...Kf7 68.Nf5=) 68.Ng6 Kg8 69.Rd3 (69.Rc3 Kf7=) 69...Nc5 70.Rd8 (70.Rd6 Kf7= (70...Ne4? 71.Rd8 Kf7 72.Rf8 Ke6 73.Re8 Kd6 74.Re4+–)) 70...Kf7 71.Rf8 (71.e5 fe5 72.Ne5 Kf6=) 71...Ke6 72.Rc8 Nd3 (72...Ne4? 73.Re8 Kd6 74.Re4+–) 73.Ra8 Nf2 74.Kh2 Re1 75.Kg2 Ng4 (75...Ne4 76.Ra6 Kd5 77.Ra7=) 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 Do you see the mate threat? (worse is 86.Rh6 Ne2 87.Kc5 Rc3 88.Kb4 Re3–/+) 86...Ne2 87.Kc4 Rc3 88.Kb4 Ke5 89.Rh6 (better is 89.Re7!? Kf4 90.Nh6=) 89...Rc1 (89...Rf3 90.Rh8 Ke4 91.Nd6 Kd3 92.Rh5–/+) 90.Nd6 (90.Kb3–/+) 90...Ng3 (better is 90...Kd6!? 91.Rf6 Ke5–/+) 91.Nf7= Ke6 (91...Kd4 92.Rf6 Rb1 93.Ka3 Ne4 94.Re6=) 92.Ng5 Ke7 93.Rh7 Kd6 94.Rh3 (94.Rh6 Rf1 95.Rg6 Rf4=) 94...Rb1 (94...Rg1 95.Rh6 Rf1 96.Rg6=) 95.Kc4 Nf1 96.Nh7 (better is 96.Nf3=) 96...Ne3 (better is 96...Ke5!? 97.Kc3 f5 98.ef5 Kf5 99.Rf3 Ke5=) 97.Re3+/– Ke5 98.Ra3 f5 99.ef5 Kf5 100.Ra5 ½–½. pierre – jago, chess.com, 2007.

8.bc5 dc5 9.Nb3 Nc6 10.0–0 Qd6 11.f3 ef3 12.Rf3 Ng4 13.Rg3 h5 (13...f5 14.Qc2+=) 14.Qf1 b6 15.Bf3 Be6 16.Na3 a6 17.Rh3 h4 18.Be4 Rae8 19.Re1 Nh6 20.Bc6 Qc6 21.Rf3 Bg4 22.Rf2 Bd6 23.h3 Bc8 24.Rd1 Bb8 25.Qd3 Bb7 26.Qc3 (26.Qc2 Qc7 27.Rf4 g5–+) 26...Qg6 27.Ra1 Nf5 28.Qd3? (better is 28.Nb1–+) 28...Be4 29.Qe2 Qg3 (29...Qg3 30.Rf4 Bf4 31.ef4 Bb1–+) 0–1. Pcmvr – Ssv, playchess.de, 2005.

8.bc5 dc5 9.Nb3 Nc6 10.f3 a5+=.

6.Nd4 c5

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

7.Nb3 0–0 8.d3 (8.bc5 dc5 9.d4 (9.Be2 Nc6 10.f3 a5 11.a4 ef3 12.Bf3 Bf5 13.0–0+=) 9...cd4 10.Nd4 Qc7 11.Qc2 Nc6 12.Nd2 Bg4 13.h3=; 8.b5 a6 9.ba6 Na6 10.Nc3 Nb4 11.d4 ed3 12.Bd3 d5 13.0–0+=) 8...Nc6 (8...cb4 9.de4 Ne4 10.Bd3 Nc5 11.Nc5 dc5 12.Qc2 f5 13.0–0–/+) 9.b5 Ne5 10.de4 Ne4 11.Be2 a6 (11...Bf6 12.0–0 Re8 13.Qc1=) 12.ba6 Ra6 (worse is 12...ba6 13.Qd5 Bf5 14.Bf3+= (worse is 14.Be5 de5 15.f3 Nd6+=)) 13.f3 (13.0–0=) 13...Nf6 14.0–0 Be6 15.N1d2 Nc6 16.f4 Qc8 17.h3 Ne8 18.e4 f5 19.ef5 Bf5 20.g4 Bg6 21.f5 Bf7 22.Ne4 Nf6 23.Nf6 gf6 24.Nd2 Qc7 25.Ne4 Ne5 26.g5 (26.Nc3 Qb6 (26...Bc4? 27.Bc4 Nc4 28.Qd5 Kg7 29.Qc4+–) 27.Bc1 Re8+= (27...Bc4? 28.Bc4 Nc4 29.Qd5 Kg7 30.Qc4+–)) 26...fg5= 27.f6 Bd8 28.Qd2 Kh8 (28...Nc4 29.Qg5 Bg6 30.Bc4 Rf7 31.Qh6+–) 29.Qe3 Rg8 (29...Nc4? 30.Bc4 Rb6 31.Ng5+–) 30.Be5 (better is 30.Nd6!? Qd6 31.Be5=) 30...de5+= 31.Rad1 (31.Qc5?? Qc5 32.Nc5 Bb6–+ (32...Rf6?! 33.Nb7 Rf4 34.Nd8 Rd8 35.a4=)) 31...Rf8 32.h4 Qc8 33.hg5 Bc7 34.a3 (34.Qc5?? Bb6 35.Qb6 Rb6–+; 34.Nc5? Bb6 35.Kh1 Bc5–+) 34...Bg6 35.Rd2 (35.Nc5? Bb6 36.Kh2 Bc5 37.Qe5 Re6–+) 35...Qe6 36.Rfd1 (36.Qc5 Bb6 37.Kh2 Bc5 38.Nc5 Qc6 39.Na6 Qe4–+) 36...Be8 37.Bf3 (37.Qc5 Bb6 38.Kh2 Bc5 39.Nc5 Qf5 40.Na6 Qg5–+; 37.Nc5?! Bb6 38.Rd5 Qc8 39.Qe5 Bf7+/–) 37...Rg8 38.Ng3 (38.Qc5 Bb6 39.Kh2 Bc5 40.Nc5 Qc4 41.Na6 Qf4 42.Kg2 e4–+; 38.Nc5?! Bb6 39.Bb7 Bc5 40.Qc5 Rg5 41.Kf2 Qf6 42.Ke1 Rf5+=) 38...e4 39.Ne4 Ra4 40.Qe2 (40.Rd5+/–) 40...Qe5? (40...Bc6 41.Rd5 Bd5 42.cd5=) 41.Re1?? (41.Rd5 Qf4 42.Bh1+/– (42.Rc5?! Bb6 43.f7 Qf7 44.Qb2 Rg7 45.Qb6 Qf3=)) 41...Qf4 42.Bh1 Bf7 (42...Bc6!? 43.Qh5 Be4 44.Be4 Rg5 45.Bg2 Ra8 (45...Rh5?? 46.Re8; 45...Qd2?? 46.Re8 Rg8 47.Rg8 Kg8 48.Qe8) 46.Re8 Re8 47.Qe8 Rg8+/–) 43.Rd7+/– Be5 44.Rf7 Bd4 45.Kg2 Rg5 46.Ng5 +/–. michaelbuss – riverplate, ChessWorld.net, 2004.

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 (34...Qb8 35.Qc3–/+) 35.e5+= Qf2 36.Kh3 h5 37.Qe4? (better is 37.Bc4 Qe1 38.Qd8 Kh7 39.Bd3 g6 40.Bg6 Kg6 41.Qf6 Kh7 42.Qf7 Kh8 43.Qh5 Kg7 44.Qg5 Kf7 45.Qf6 Ke8 46.Qe6 Kd8 47.Qg8 Ke7 48.Qg7 Ke6 49.Qg8 Kf5 50.Qc8 Ke4 51.Qc6 Ke3 52.Qd5+=) 37...Qd4 (37...Qa2 38.Qa8 Kh7 39.Bd3 g6 40.Qa7 Kg8 41.Bg6 Qh2 42.Kh2 Bg1 43.Kg1 b5 44.Qf7 Kh8 45.Qf8) 38.Qg6 ½–½. Bonetti,Shane (2125) – Herchen,Ralf (1890), K0–40 ETC, 2006.

7.Nc2 cb4 8.Nb4 A) 8...a5 9.Nd5 Nd5 10.cd5 0–0 11.d3 Bf6 12.Nc3 a4 (12...ed3 13.Bd3+= a4+=) 13.Rb1 a3+=; B) 8...Nc6 9.Nd5 0–0 (9...Bg4 10.Qc2 0–0 11.Nbc3 Bf5 12.f3 Re8 13.fe4+= 13...Ne4+=; 9...Bf5 10.d3 Ne5 11.de4 Ne4 12.Be2 0–0 13.0–0 Re8=) 10.Nbc3 Bf5 11.Rb1 Re8 12.Be2 Nd5 13.Nd5 Rb8=; C) 8...Qb6 9.Bf6 Bf6 10.Nd5 Qd8 11.Nbc3 Be5 12.Rb1 (12.Rc1 f5 13.d4 ed3+=) 12...f5 13.Nb5+= Na6+= ; D) 8...0–0 9.Nc3 D1) 9...Bf5 D11) 10.d3 Nc6 D111) 11.de4 Ne4 12.Nbd5 Bf6 13.Rc1= (13.Ne4 Bb2=) 13...Rc8=; D112) 11.Nbd5 ed3 12.Bd3 Bd3 13.Qd3 Ne5=; D12) 10.Be2 Nbd7 11.0–0 Ne5 12.Nbd5 Nd5 13.Nd5 Qd7= ; D2) 9...Re8 10.d3 Qa5 11.Nbd5 Nd5 12.cd5 f5 13.Rb1 Bf6= ; D3) 9...Nbd7 10.d3 Qa5 11.Nbd5 Nd5 12.cd5 ed3 13.Bd3 Nc5= ; E) 8...Nbd7 9.d3 E1) 9...Qa5 10.Bc3 Qf5 11.Nd2 Nc5 12.Bf6 Bf6 13.d4 Be6+/– ; E2) 9...Ne5 10.de4 Ne4 11.Be2 Qa5 (11...Qb6 12.Qb3 Nc5 13.Nd5 Nb3=) 12.a3 Be6 13.0–0= Rc8= ; E3) 9...Qb6 10.Bc3 ed3 11.Bd3 Ne5 12.Nd5 Nd5 13.cd5 0–0= ; E4) 9...Nc5 10.de4 Nce4 11.Nc3 Nc3 12.Bc3 0–0 13.Qd4 Bf5+= ; E5) 9...0–0 10.Nc3 Qa5 11.a3 ed3 12.Bd3 Nb6 13.Qf3 d5= ; F) 8...Be6 F1) 9.d3 0–0 10.Nd2 ed3 11.Bd3 Nbd7 12.Nd5 (12.Qb1 Qa5 13.Bc3 Qg5=) 12...Rc8 13.Qb1= Bd5= ; F2) 9.Nc3 0–0 (9...Nbd7 10.Nbd5 0–0 11.d3 ed3 12.Bd3 Rc8 13.0–0 Ne5=) 10.Qb1 Bf5 11.d3 ed3 12.Bd3 Bd3 13.Qd3 Nc6=; G) 8...Bf5 G1) 9.Nc3 G11) 9...0–0 G111) 10.d3 Nc6 (10...Qa5 11.a3 Na6 12.de4 Be4 13.Qa4 Qa4+=) G1111) 11.de4 Ne4 12.Nbd5 Bf6 13.Rc1= ( 13.Ne4 Bb2=) 13...Rc8=; G1112) 11.Nbd5 ed3 12.Bd3 Bd3 13.Qd3 Ne5=; G112) 10.Be2 Nbd7 11.0–0 Ne5 12.Nbd5 Nd5 13.Nd5 Qd7= ; G12) 9...Nbd7 10.d3 Qa5 11.Nbd5 Nd5 12.cd5 Bf6 13.Qd2 ed3= ; G2) 9.d3 0–0 (9...Nc6 10.Nd5 0–0 11.de4 Be4 12.Nbc3 Re8 13.Ne4 Ne4+=; 9...Qb6 10.Bc3 0–0 11.Nd2 Qc5 12.Rb1 Nbd7 13.de4 Be4+=) 10.Nc3 Nc6 11.de4 Ne4 12.Nbd5 Bf6 13.Rc1 Rc8=.

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 (26.Ne3 Qe5 27.Qc2 Qg5–+) 26...h6 27.Ne3 Qe5 28.Qc2 Qa1 29.Rd1 (29.Qd1 Qc3 30.Qe2 Ne5–+) 29...Qa3 30.Rd3 Qb4 31.Nc4 (31.Rd1 Ne5 32.Kg2 Qa3–+) 31...Qe1 (better is 31...Ne4 32.Re3 Nf6 33.Re8 Ne8 34.h3–+) 32.Kg2 Qa1 (better is 32...Ne5 33.Ne5 Re5 34.Rd8 Re8–+) 33.Rd1+– Qd1 34.Qd1 Nf8 (34...Re7+–) 35.e5 N6h7 36.f4 (better is 36.Qd6 Ng6 37.a5 ba5 38.f4+–) 36...Ne6 (36...Re7 37.f5+–) 37.Nd6 (better is 37.Qd7 Rd8 38.Qa7+–) 37...Rd8 (37...Re7 38.Nf5 Rc7 39.Qg4+–) 38.Qd5 Nhf8 (38...Rd7+–) 39.f5 Nd4 (39...Rd7 40.fe6 Ne6 41.Qa8 Nf8+–) 40.Qf7 Kh8 41.Qe7 Ra8 42.e6 (42.Qb7 Rd8 43.Nf7 Kh7 44.Nd8 Nf5+–) 42...Nh7 43.Qb7 Rf8 44.e7 Rf6 45.Qc8 1–0. Engelhardt,Erhard (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 Na6 9.a3 (9.b5 Nb4 10.d3 d5 11.Nb4 cb4 12.Nd5 Nd5 13.cd5=) 9...cb4 10.ab4 d5 (10...Be6 11.d3 d5 12.c5 Nc7 13.de4=) 11.c5 Nc7 12.Be2 b6 (12...Bd7= 13.d4=) 13.cb6=.

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.d3 Bg4 (9...ed3 10.Bd3 Nb4 11.Nb4 cb4 12.Ne4 Ng4 13.Be2=) 10.Qd2 ed3 11.Bd3 cb4 12.Nd5 a5+= 13.0–0+=.

8.d3 cb4 9.Nb4 Qb6 10.Bc3=.

8.d3 cb4 9.Nb4 Nc6 10.Nd5 ed3 11.Bd3 Nd5 12.cd5 Bf6 13.Nc3=.

8.d3 cb4 9.Nb4 d5 10.Nd5 Nd5 11.cd5 Qa5 (11...Qd5 12.Nc3 Bb4 13.Qd2=) 12.Qd2 Bb4 (12...Qd5!? 13.Nc3 Qe6+=) 13.Bc3+/– Bc3 14.Nc3 (14.Qc3?! Qd5 15.Nd2 ed3 16.Qd3 Qc6=) 14...ed3 15.Rb1 (15.Bd3 Nd7+–) 15...Bf5 16.Rb7 (16.Bd3 Bd3 17.Qd3 Rc8+/–) 16...Qa6? (better is 16...Rc8!? 17.Rb3 Nd7=) 17.Rb4 Rc8 18.Ra4 Qf6 19.Rd4 Nd7 20.Bd3 Bd3 21.Qd3 Nc5 (21...Ne5!? 22.Qc2 Rc5+/–) 22.Qc2+– Qg5 (22...Rab8 23.0–0+–) 23.0–0 Nd7 24.d6 Rc5 25.Qe4 Rac8 26.Qe7 Qe7 (26...Qf5 27.e4 Qf6+–) 27.de7 Rc3 (27...f5 28.Rd7 Kf7 29.Nb5+–) 28.Rd7 Re8 29.Rd8 Rc8 30.Rc8 Rc8 31.Rd1 (31.Rd1 Re8 32.Rd8+–) 1–0. mtrc – 2002Blue, internet, 2002.

8.d3 cb4 9.Nb4 Bg4 10.Qc2 Qa5 (10...ed3 11.Bd3 Qa5 12.Bc3 Qh5 13.Be4+=) 11.Bc3 ed3 12.Bd3 Qh5+= 13.Be4+=.

8.d3 cb4 9.de4 Ne4 10.Bd3 d5 11.Qh5 Bf6 12.Nd4 Be6 13.0–0–/+.

8.d3 ed3 9.Bd3= cb4 (9...Nc6 10.a3=) 10.Nb4 d5 (better is 10...Nc6!? 11.Nc6 bc6=) 11.Nd5+/– Nd5 12.cd5 g6 (12...Na6 13.0–0+/–) 13.Nc3 Nd7 14.0–0 a6 (14...Nc5 15.Rc1+–) 15.Ne4 f5 (better is 15...Nf6 16.Nf6 Bf6 17.Bf6 Qf6+–) 16.d6 fe4 (16...Bf6 17.Nf6 Nf6 18.Qb3 Kg7+–) 17.Bc4 Rf7 18.Bf7 (better is 18.Qd5 Qf8 19.de7 Qe7 20.f3+–) 18...Kf7 19.Qd5 Ke8 20.Qe4 Nf6 21.Qe7 (21.de7 Qe7 22.Qd4 Ng8+–) 21...Qe7 22.de7 Ke7 23.Rfc1 Bd7 (23...Ne8+–) 24.Rc7 Nd5 (24...Kd8 25.Rb7 (25.Bf6?! Kc7 26.e4 Re8+/–) 25...Ne4 26.Rd1+–) 25.Rb7 a5 (25...Ke6 26.Rc1+–) 26.Rd1 Nf6 (26...Kd6 27.e4 Kc6+–) 27.Bf6 Kf6 28.Rdd7 h5 (28...Rc8 29.Rb6 Kf5 30.f3+–) 29.Rd6 (29.Rb6 Kg5 30.h4 Kf5 31.Rd5 Ke4 32.Rbb5 Rd8 33.Rd8 g5 34.Rd4) 29...Kg5 (29...Ke5 30.Rg6 Rd8+–) 30.f4 Kf5 (30...Kh4 31.Rg6 Rd8 32.Rb5 Rd1 33.Kf2 Rd2 34.Kf3 Rf2 35.Kf2 a4 36.g3 Kh3 37.Rh5) 31.Rb5 (31.Rb5 Kg4 32.Rg6 Kh4 33.g3 Kh3 34.Rh5) 1–0. marekt – happydan, gameknot.com, 2001.

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.

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

7.Nc2 a5

8.ba5 0–0 9.Bc3 Nc6 10.d4 Na5 11.Nd2 cd4 12.Nd4 d5 13.cd5 Qd5=.

8.ba5 0–0 9.Nc3 Qa5 10.Be2 Be6 11.0–0 Nc6 12.d3 ed3 13.Bd3+=.

8.ba5 0–0 9.Nc3 Nc6 (9...Bf5 10.d3 Nc6 11.Be2 ed3 12.Bd3 Bd3 13.Qd3 Ne5=) 10.d3 Qa5 11.Qd2 ed3 12.Bd3 Ne5 13.0–0 Be6+=.

8.ba5 0–0 9.d3 Qa5 10.Nc3 d5 11.cd5 Nd5 12.Qd2 Nc3 13.Qc3+=.

8.ba5 0–0 9.d3 Qa5 10.Nc3 Be6 11.Qd2 ed3 12.Bd3 Nbd7 13.Nb5 Qd2+=.

8.ba5 0–0 9.d3 Nc6 10.Nc3 Qa5 11.Qd2 ed3 12.Bd3 Ne5 13.0–0 Be6+=.

8.ba5 0–0 9.d4 Qa5 10.Qd2 Nc6 11.Qa5 Ra5 12.Nd2 Bf5 13.d5 Nb8=.

8.ba5 0–0 9.d4 Ra5 10.Be2 cd4 11.Nd4 Rg5 12.Bf1 Na6 13.Nc3 Nc5=.

8.ba5 0–0 9.d4 Nc6 10.Be2 cd4 11.Nd4 Qa5 12.Nc3 Qg5 13.Rg1 Qc5+=.

8.ba5 0–0 9.d4 Nc6 10.Be2 cd4 11.Nd4 Qa5 12.Nd2 Qg5 13.g3+=.

8.ba5 Qa5 9.Bc3 Qa4 10.d3 0–0 11.Bb2 d5 12.Nc3 Qa5 13.cd5+=.

8.ba5 Qa5 9.Bc3 Qc7 10.d3 0–0 11.Nd2 Bg4 12.Qb1 Bf5 13.de4 Ne4=.

8.ba5 Qa5 9.Bc3 Qa4 10.d4 0–0 11.Be2 d5 12.dc5 Rd8 13.Nd2 Nbd7+=.

8.ba5 Qa5 9.Bc3 Qd8 10.Be2 d5 11.d4 0–0 12.dc5 dc4 13.0–0 Qc7+=.

8.ba5 Qa5 9.Be2 0–0 10.0–0 Be6 11.d3 Rd8 12.Nc3 ed3 13.Qd3 d5+=.

8.ba5 Qa5 9.Be2 Nbd7 10.0–0 Ne5 11.d4 ed3 12.Bd3 Be6+= 13.Nba3+=.

8.ba5 Qa5 9.Be2 Be6 10.0–0 0–0 11.d3 Nc6 12.de4 Qb6 13.Qc1 Ne4+=.

8.ba5 Nc6 9.d3 0–0 10.Nc3 Qa5 11.Qd2 ed3 12.Bd3 Ne5 13.0–0 Be6+=.

8.ba5 Nc6 9.Be2 0–0 10.0–0 Be6 11.d4 d5 12.cd5 Qd5 13.f3 Qg5=.

8.ba5 Nc6 9.Be2 Ra5 10.d3 0–0 11.Nd2 ed3 12.Bd3 Ne5 13.Be2 Bf5=.

8.ba5 Nc6 9.Be2 Be6 10.d4 d5 11.cd5 Qd5 12.a6 ba6 13.0–0 0–0+=.

8.ba5 Nc6 9.Be2 d5 10.cd5 Qd5 11.0–0 Ra5 12.f3 ef3 13.Bf3=.

8.ba5 Be6 9.d3 0–0 10.Nc3 Qa5 11.Qd2 ed3 12.Bd3 Nbd7 13.Nb5 Ne5+=.

8.ba5 Be6 9.d4 Qa5 10.Bc3 Qc7 11.d5 Bf5 12.Nba3 0–0 13.Be2=.

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

8.b5 0–0 9.d3 A) 9...Bg4 10.Qd2 Nbd7 (10...Bf5 11.Nc3 Re8 12.Be2 ed3 13.Bd3=) 11.Nc3 ed3 12.Bd3 Ne5= 13.0–0=; B) 9...d5 10.Nc3 Bg4 11.Be2 ed3 12.Qd3 dc4 13.Qc4=.

8.b5 Bg4 A) 9.Be2 Be2 10.Qe2 0–0 (10...d5 11.d3 dc4 12.de4 Ne4+= 13.Qc4+=) 11.d3 ed3 12.Qd3 d5 13.0–0=; B) 9.f3 ef3 10.gf3 Bf5 11.d4 0–0 12.Rg1 Nh5 13.Bd3=.

8.bc5 dc5 9.d3 Ra6 10.Be2 ed3 11.Qd3 Qd3 12.Bd3 Rd6 13.Ke2 Ng4=.

8.bc5 dc5 9.d3 Bf5 10.d4 0–0 11.Nd2 Na6 12.Be2 Qc7 13.d5 Nb4=.

8.bc5 dc5 9.d3 Bf5 10.d4 0–0 11.Nd2 Nc6 12.Be2 Qd7 13.dc5=.

8.bc5 dc5 9.d4 0–0 A) 10.Nd2 cd4 (10...Nbd7 11.Be2 Bd6 12.0–0 Qc7 13.f4=) 11.Nd4 Nc6 12.Be2 (12.Qc2 Qb6 13.Bc3=) 12...Nd4= (12...Qc7 13.Qc2=) 13.Bd4=; B) 10.Be2 Nbd7 11.Nc3 a4 12.0–0 Re8 13.a3=.

8.bc5 dc5 9.Be2 0–0 10.0–0 Bf5 11.f3 ef3 12.Bf3 Bd3 13.Be2 Nc6=.

8.bc5 dc5 9.Be2 Qb6 10.Nc3 0–0 11.Rb1 Rd8 12.f3 ef3 13.Bf3 Qe6=.

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 Nc4 18.Qc4 Rfd8+=.

13.h3 Nbd7+= 14.Nc4 Bc4–/+ 15.Bc4 Nb6 16.Qb3 a4 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,Alexey – 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 (8...0–0 9.d3 d5 10.cd5 Qd5 11.bc5 Bg4 12.Qd2 ed3 13.Qd3+=; 8...cb4 9.Nb4 (9.ab4 0–0 10.Be2 Ne5 11.0–0 Be6 12.Nba3 Qc7 13.Nd4+=) 9...0–0 10.Nd5 Bf5 11.Nbc3 Ne5 12.Rb1 Re8 13.Be2=) 9.d4 ed3 10.Bd3 Be6 11.Be5 de5 12.Nc3 Rc8 13.Qe2 b5 14.Rd1 cb4 15.c5 Bc5 (15...Rc5?! 16.Ne4 Rd5 17.Nf6 Bf6 18.Bb5 Ke7 19.Nb4 Rd1 20.Qd1+=) 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 (9...0–0 10.de4 Ne4 11.Bd3 d5 12.Qf3 f5 13.cd5=) 10.Nd2 =. Johansson,Ragnar – Lind,Bengt Arne, corr SSKK SWE, 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 (11.Nd2 0–0=+) 11...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.Nca3 a6 10.d4 ed3 11.Bd3 Be6 12.Be2 ab5 13.cb5 Qa5 14.Qd2 Ne4 15.Qa5 Ra5 16.Be5 de5 17.Nc4 Ra4 18.Ne5 0–0 (worse is 18...Ba2 19.Bd1 Rb4 20.Ra2 Rb1 21.0–0+=) 19.0–0 Rd8 (worse is 19...Ra2 20.Ra2 Ba2 21.Bd3=) 20.a3 Bf6 21.f4 b6 22.Re1 h6 23.Bd1 Ra7 24.Be2 Bb3 (24...Be5!? 25.fe5 Rd5+=) 25.Nc6= Raa8 26.Nd8 Rd8 27.Bf3 Ba1 28.Be4 c4 29.a4 (29.Kf2 Bb2–/+) 29...Bb2–/+ (29...Ba4?! 30.Na3 Bc3 31.Rc1+=) 30.a5 ba5 31.b6 a4 32.b7 Rb8 33.g4 Kf8 34.Kg2 Ke7 35.Kg3 c3 36.Nc3 Bc3 37.Rc1 Bb4 0–1. Pcmvr – Caissa, playchess.de, 2005.

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

9.d4 Ned7 10.Be2 Nb6 (10...a6 11.ba6 Ra6 12.0–0=) 11.a4 (11.dc5 Na4 12.Bf6 Bf6 13.cd6 Nc3 14.Nc3 Bc3 15.Kf1 Ba1 16.Qa1 0–0+=) 11...a5 (11...d5 12.dc5 Nc4 13.Bc4 dc4 14.Qd8 Kd8 15.Nd2+=) 12.ba6 (12.Nd2 0–0=) 12...Ra6 (12...ba6 13.dc5 dc5 14.0–0=) 13.a5 Nbd7 (13...Na8 14.Bc3=) 14.Qd2 (14.Bc3 0–0=) 14...b6 15.ab6 0–0 (15...Qb6 16.Nca3=) 16.Nba3 (16.Ra6 Ba6 17.Qa5 Qb6 18.Qb6 Nb6=) 16...Nb6 17.0–0 Be6 (17...Na4 18.Rfb1=) 18.Rfb1 Qa8 19.d5 Bd7 20.Bc3 Na4 21.Nb5 Nc3 (21...Bb5 22.Bf6 Bf6 23.cb5+=) 22.Nc3 Bf5 (22...Ra1 23.Ra1 Qb7 24.Ne1=) 23.Qd1 Rd8 24.Qc1 (24.Ra6 Qa6 25.Ra1 Qb7=) 24...Ra1 (24...Nd7 25.Nb5 Rb8 26.Qd1=) 25.Na1 (25.Ra1 Qb7=) 25...Qc8 (25...Nd7 26.Nb3=) 26.Nb3 Re8 27.Na5 (27.Qc2 Bd8=) 27...Bd7 28.Qc2 Bd8 29.Nb3 Bf5 30.Ra1 (30.Nb5 Qd7=) 30...Bb6+= 31.Nd2 Re7 (31...Qd7 32.Nf1+=) 32.Qb2 (32.Nf1 Qd8=) 32...Rb7= 33.Ra6 Ba5 34.Nb5 Qd8 35.Qc2 Bb6 36.Nc3 (36.g4 Ng4 (worse is 36...Bg4 37.Bg4 Ng4 38.Ne4+/–) 37.Bg4 Bg4 38.Ne4 Bf3+/–) 36...Re7 37.Qa2 Re8 38.Bd1 Bc7 39.Ba4 Rf8 40.Bc2 Qe7 41.Qa1 Rb8 (41...Ng4 42.h3 (worse is 42.Nde4 Qh4+=; worse is 42.Nce4 Be4 43.Ne4 Qh4+=; 42.Be4?! Qh4 43.Qe1 Qh2 44.Kf1 Bc8+=) 42...Nf6 43.Ra8+/–) 42.Ra8 Ra8 (42...Rd8 43.Rd8 Bd8 44.Qa8+/–) 43.Qa8 Qd8 44.Qd8 Bd8 45.Nb5 (45.Be4 Bd7+/–) 45...Be7 46.f3 Bd7 (46...h5 47.Na7+/–) 47.Be4 (47.Ne4?! Nd5 48.Nbd6 Ne3=) 47...h5 48.h4 g6 (48...Ne8 49.g3+/–) 49.Na7 (49.g3 Ne8+/–) 49...Ne4 50.Ne4 f5 51.Ng5 (51.Nc6 fe4 52.Ne7 Kf7 53.Nc6+/–) 51...Be8 (51...Kf8!?+/–) 52.Nc8+– Kf8 53.Kf2 +–. pereira – Abuloai, chesshere.com, 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 (19.Nd5 Bf8 20.Rd1 Nd6–/+) 19...Nf6 (19...Bf5 20.Be5–/+) 20.e4+= b6 21.Be5 Bd7 22.Rb1 c4 (22...Bf5 23.Bf7 Kf7 24.ef5 Ra2–/+) 23.0–0 (23.Bc4!? Rc8 24.Bb5+=) 23...c3! 24.Kh1 (24.Bc3 Nd5 Double attack (24...Rc7 Deflection; 24...Nd5 Decoy)) 24...Ng4 (24...c2 25.Rbc1 Ba4 26.Rf3–+) 25.Rbc1–/+ Kh8 (25...c2 26.Rc2 Bc5 27.h3+=) 26.Rc3+= Bc5 27.h3 Ne5 28.fe5 Rc7 29.Rf7 Rcc8 30.e6 Ba4 31.g4 Bc6 (31...Re8 32.Kg2–/+) 32.Rd3 (32.e7!? Rg8 33.Kg2+=) 32...Rd7?? (better is 32...Be8 33.Ra7 b5–/+) 33.ed7+– (33.ed7 Bd7 34.Rd7+–) 1–0. Palmkoeck,William – Woelfelschneider,Peter, corr TKM/A004, 1999.

10.Nc3 Re8 11.d4 cd4 12.Qd4=.

10.Nc3 Bf5

11.Qb3 Qc8 A) 12.Rb1 Rd8 (12...Qe6 13.Be2 Rfd8 14.0–0 d5 15.cd5 Nd5 16.Nd5 Qd5–/+; 12...Bg4 13.d4 ed3 14.f4 d2 15.Kd2 Ng6 16.Bd3 Bf5=; 12...Re8 13.Nd5 Nd5 14.cd5 Qd7 15.Nc4 Bf6 16.b6 Red8+=) 13.Be2 Qe6 14.0–0 d5 15.cd5 Nd5 16.Nd5 Qd5–/+ ; B) 12.Nd5 Re8 (12...Nd5 13.cd5 Qd7 14.Nc4 Ng4 15.Be2 Nf6 16.Qc3 Rfe8+=; 12...Bd8 13.Be2 Nd5 14.cd5 Bf6 15.Nc4 Qd8 16.Ne5 Be5+=; 12...Qd7 13.Ne7 Qe7 14.Be2 Bg4 15.Bf1 a5 16.d4 cd4+=) 13.Ne7 Re7 14.Rb1 Qe6 15.Be2 Bg4 16.Bf1 Rae8+=; C) 12.h3 Rd8 (12...Qe6 13.Be2 Rfd8 14.g4 Bg6 15.g5 Nfd7 16.Nd5 Rdc8+=; 12...Re8 13.Be2 Qe6 14.0–0 Nd3 15.Bd3 ed3 16.f3 Qd7+=) 13.Rd1 a5 14.Be2 Qe6 15.0–0 d5 16.cd5 Nd5+= ; D) 12.Rc1 a6 (12...Qd8 13.Be2 Bg4 14.0–0 Be2 15.Ne2 Nd3 16.Rb1 Nb2=; 12...Qe6 13.Nd5 Nd5 14.cd5 Qg6 15.Be5 de5 16.Nc4 Rfd8+=; 12...Qc7 13.Nd5 Nd5 14.cd5 Rae8 15.Nc4 Bf6 16.d4 ed3+=; 12...Re8 13.Nd5 Qd7 14.Be2 Nd5 15.cd5 Bg4 16.Be5 Be2+=; 12...Qe8 13.Nd5 Nd5 14.cd5 f6 15.Nc4 Qf7 16.d4 ed3+=; 12...Qd7 13.Nd5 Nd5 14.cd5 Rfe8 15.Nc4 Ng4 16.d4 ed3+=; 12...Qb8 13.Nd5 Nd5 14.cd5 Bf6 15.Nc4 Nc4 16.Bf6 Nb6=; 12...Rd8 13.Nd5 Qd7 14.Ne7 Qe7 15.Qc2 Qe6 16.Rb1 d5–/+; 12...Rb8 13.Nd5 Qd7 14.Be2 Rfd8 15.0–0 Nd5 16.cd5 Bg4=) 13.Nd5 Nd5 14.cd5 ab5 15.Bb5 Bd7 16.d4 Bb5–/+; E) 12.Be2 Bg4 (12...Rd8 13.f3 ef3 14.gf3 Re8 15.Rg1 Nh5 16.Nd5 Bh4=; 12...Qe6 13.0–0 Rfd8 14.f3 ef3 15.Bf3 Nf3 16.Rf3 a5=; 12...Re8 13.0–0 Bg4 14.h3 Be2 15.Ne2 Qf5 16.Nf4 g5+=; 12...Qd7 13.0–0 Bg4 14.h3 Be2 15.Ne2 Nd3 16.f3 Nb2+=) 13.0–0 Qf5 14.Nc2 Qg6 15.Bg4 Qg4 16.h3 Qf5+=.

11.Qb3 Qd7 12.h3 (12.Be2 Rfe8 (12...Bg4 13.0–0 Qf5 14.Nc2 Qg6 15.Bg4 Qg4 16.h3 Nf3+=; 12...Rfd8 13.f3 ef3 14.gf3 Bg6 15.f4 Nd3 16.Bd3 Bd3+=; 12...Rae8 13.0–0 Bg4 14.Rab1 Rd8 15.Bd1 Qe6 16.Nd5 Nd5+=; 12...Qe6 13.0–0 Bg4 14.h3 Be2 15.Ne2 Nd3 16.f3 Nb2=; 12...Nd3 13.Bd3 ed3 14.f3 Be6 15.e4 Nh5 16.Nd5 Bd5=; 12...Rfc8 13.0–0 Bg4 14.h3 Be2 15.Ne2 Nd3 16.Nc3 a6+=; 12...Rfb8 13.f3 ef3 14.gf3 Bg6 15.f4 Nd3 16.Bd3 Bd3+=) 13.0–0 Bg4 14.Bg4 Qg4 15.Rad1 Nf3 16.Kh1 Nh2–+; 12.Rb1 Rfd8 (12...Rfe8 13.Be2 Bg4 14.0–0 Qe6 15.Bg4 Qg4 16.Qc2 Qh4+=; 12...Qe6 13.Be2 Rfd8 14.b6 ab6 15.Qb6 Rd7 16.0–0 d5+=; 12...Bg4 13.d4 ed3 14.f4 Rad8 15.h3 Bh5 16.Kd2 Bg6=; 12...a6 13.Be2 Bg4 14.0–0 Rfe8 15.ba6 ba6 16.Qc2 Bf3+=; 12...Rfb8 13.Be2 Qe6 14.0–0 Bg4 15.h3 Be2 16.Ne2 Qf5=) 13.Be2 Qe6 14.0–0 d5 15.cd5 Nd5 16.Nc4 Nb6–/+) 12...Bg6 (12...Rfe8 13.Be2 Nd3 14.Bd3 ed3 15.0–0 a6 16.Rfe1 Bg6+=; 12...Qe6 13.Be2 Rfd8 14.0–0 d5 15.cd5 Nd5 16.Nc4 Nd3–/+; 12...Rfd8 13.Be2 Qe6 14.g4 Bg6 15.g5 Nfd7 16.Nd5 Rdc8+=; 12...Rfb8 13.Be2 Qe6 14.0–0 Rd8 15.f3 ef3 16.Bf3 Nf3+=; 12...Rfc8 13.Be2 Rd8 14.0–0 Qe6 15.f3 ef3 16.Bf3 Nf3+=) 13.Be2 (13.d4 Nd3 14.Bd3 ed3 15.d5 Qf5 16.0–0 Qg5+=) 13...Qf5 14.g4 (14.Rd1 Nd3 15.Bd3 ed3 16.0–0 Qg5+=) 14...Nf3 15.Kd1 Qd7 (15...Qe6 16.Nd5 Nd5+=) 16.d3 (16.Kc1 Ne5+=) 16...Ne5 17.de4 Ne4 18.Rh2 Nc3 (18...Bh4 19.f4 Nc3 20.Qc3+=) 19.Bc3 (19.Qc3 d5 20.Qd2 d4+=) 19...f5 (19...Be4 20.Kc1+=) 20.Kc1 (better is 20.f4 fg4 21.fe5+=) 20...fg4–/+ 21.Qd1 g3! 22.fg3 Bf6 23.h4 (23.Qd5 Bf7 24.Qd2 a6–/+) 23...Qe6 24.h5 Nf3! 25.Bf3 Qe3 (25...Bc3?? A) 26.hg6?! A1) 26...Ba1?? 27.Bd5 (27.gh7 Kh8 28.Qe2 Bb2 29.Kb2 Qf6 30.Kc2 Qf3–/+) 27...Rae8 28.Be6 Re6 29.Qd5 Rf1 30.Kc2+–; A2) 26...Qe3 27.Kc2 Qf3=; B) 26.Bd5 Qd5 27.cd5+– (27.Qd5?! Bf7 28.Qd6 Ba1+–)) 26.Qd2 Qf3 27.Kb2 Bh5 0–1. Muri,Heinrich (2340) – Ludwig,Christoph (2270), corr ICCF EM/MN/053, 2002.

11.Qb3 Re8 12.Be2 Qd7 (12...Nd3 13.Bd3 ed3 14.0–0 a6 15.Rae1 ab5 16.Nab5 Bf8=; 12...Qc8 13.0–0 Bg4 14.Qc2 Qe6 15.d4 ed3 16.Bd3 Nd3=) 13.0–0 Bg4 14.Rab1 Qf5 15.Bg4 Qg4 16.Rbd1 Qg6+=.

9.d4 ed3

10.Bd3 Be6

11.Nba3 Qa5 12.Ke2 a6 13.Rb1 –/+.

11.Nba3 Qa5 12.Kf1 a6 13.Qe2 –/+.

11.Nba3 Qa5 12.Kf1 a6 13.Kg1 –/+.

11.Nca3 Nd3 12.Qd3 d5 13.cd5 Qd5 14.Qd5 Nd5 15.0–0 0–0 16.Nd2 Rfd8 (16...a6 17.Ndc4–/+) 17.Nac4 Rd7 18.a4 Nb4 19.Bc3 (19.a5 Rad8–+) 19...Rad8 20.f4 Rd3 (20...Rd3 21.Bb4 cb4–/+) 0–1. Dominguez,Carlos – Morau,Jose Roberto, TT–04–0050 B, 2004.

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.

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 (20...dc4?! 21.Qe4 Qe7 22.Qc4 Bb2 23.Qb5 Kf8 24.Qb2=) 21.Nb2 Qb6 22.Rfd1 Qc6 23.Nd3 0–0–0 (better is 23...Rc8!? 24.Nf4 Nf6 25.Qe2 Kf8–/+) 24.a5 d4 25.a6 ba6 26.Nb4 Qb7 (26...Qf6!? 27.Qe4 cb4 28.Rdc1 Kb8+/–) 27.Na6+= (worse is 27.Ra6 Rhe8 (27...Qb4?? 28.Qe4 Rd7 29.Ra8 Kc7 30.Qe5 Kc6 31.Rh8+–) 28.f3 Qb4 29.fe4 d3+=) 27...d3 28.Rd3 Rd3 29.Qd3 Rd8 30.Qh3 Rd7 31.Qf5 (31.Qh7? Qa6!? 32.Qg8 Kc7 33.Qg7 Qf6 34.Qf6 Nf6–+) 31...g6 (31...Qd5!? 32.Rb1 Kd8 (32...Qf5?? 33.Rb8) 33.Rb8 Ke7 34.Re8 Ke8 35.Nc7 Rc7 36.Qd5 Nf6=) 32.Qe5= Rd5 33.Qe8 Rd8 34.Qa4 Qb6 (better is 34...Rd4!? 35.Qa5 Qd7=) 35.Qe4+/– Qa6 36.Rc1 (36.Ra6?? Rd1 37.Qe1 Re1) 36...Qd6 37.h3 Kd7 38.Re1 Kc7 39.Qa4 Rb8 40.Qa2 f5 (40...Qf8!?+/–) 41.Qf7+– Kc6 42.Qh7 c4 43.Qa7 Rb3 44.Ra1 Kd5 45.Kh1 (better is 45.Qf7!? Kc5 46.Rc1+–) 45...Rd3+= 46.g3 Qe6 (46...Ke5!? 47.Ra5 Ke4 48.Qa8 Kd4+/–) 47.Ra6+– Qe1 48.Kh2 Qd2 (48...Rd1 49.Qd7 Kc5 50.Qc7 Kd4 51.Rd6 Kc3 52.Qa5 Kc2 53.Qa4 Kc3 54.Qd1 (54.Rd1?! Qf2 55.Kh1 Qf3 56.Kg1 Qg3 57.Kf1 Qf3 58.Ke1 Qe3 59.Kf1 Qf3 60.Ke1 Qe3 61.Kf1 Qf3=) 54...Qf2 55.Kh1+–) 49.Ra2 (worse is 49.Rg6 Ke4 50.Qa8 Rd5+–) 49...Qb4 50.Qa8 (50.Qf7!? Kd4 51.Qf6 Kc5 52.Qg6 Rd5+–) 50...Kd4 51.Qd8 Kc3 (51...Ke4 52.Re2 Kf3+–) 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 (67...Ka2 68.Qa6 Kb1 69.Qb6 Ka2 70.Qa7 Kb2 71.Qg7 Ka2 72.Qf7 Ka3 73.Qe7 Ka2=) 68.h5 1–0. b4_player – opponent, gamecolony.com, 2007.

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 ½–½. Benassi,Aspasio (2125) – Sorcinelli,Andrea (2100), RA–2012–0–00223, 2012.

11.Be2 Bf5 12.g4+= Bg6 (12...Be6 13.h4+=) 13.f3 (better is 13.h4!? h6 14.g5 hg5 15.hg5+=) 13...ef3–+ 14.Bf3 Qd3 15.Na3 (better is 15.Rc1–+) 15...Ng4! 16.h4 (16.Bg4 Bh4) 16...Ne3! 17.Qe2 (17.de3 Qc3) 17...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? (better is 27.Nf5!? Qb3 A) 28.ab3?? Rd1 (28...Bf5?! 29.Rd8 Rd8 30.Rf5–/+) 29.Kg2 Bf5–+; B) 28.Ne7 Kh8 29.Rf8 (29.ab3 Rd1 30.Rf1 Rff1 31.Kg2 Be4 32.Kh3 Rd2 33.b4 Rh2 34.Kg4 Rf6 35.Ng6 hg6 36.Kg5 Rh5 37.Kg4 Bf3) 29...Rf8 30.Ng6 hg6 31.ab3+=) 27...Qf7 28.Qb4 Rfe8 29.Qb6 h6 30.a4 Kh7 31.Rf1 Rd5 32.Rdf2 Qd7 33.Rf4 Rd6 34.Qb2 (34.Qa7 Re4 35.Re4 fe4–+) 34...Re4 35.Rh4 (35.Re4 fe4 36.Nc2 Qa4–+) 35...Qa4 (better is 35...Rh4 36.gh4 Rd4–+) 36.Nf3 Rh4 37.Nh4 Qd4 38.Qd4 Rd4 0–1. Djurisic,Dusan (1960) – Dragomirescu,Angela (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 (9.d3 0–0 10.N1c3–/+) 9...0–0 (9...a6 10.N5c3+=) 10.f4 (10.0–0 Bf5+=) 10...Nb4 11.0–0 Nd3 (11...a6 12.N5c3–/+) 12.Qb3 (12.Be5 a6 13.Bd3 Qd3–/+) 12...Nb2 13.Qb2 Bd7 (13...Bf5 14.a3–/+) 14.N5c3 Bc6 15.Nd1 (15.Rd1 Qc8–/+) 15...Qd7–/+ 16.Nf2 Rad8 17.a3 a6 18.Qb6 Qc8 19.a4 Nd7 (19...Qe6 20.a5–/+) 20.Qb3 f5 21.Ra2 Nf6 22.Nc3 Qe6 23.a5 h6 24.Na4 Kh7 25.Nb6 Rg8 (25...Rd6 26.Rb2+=) 26.Qc3 Bd6 27.g3 g6 28.h3 (28.Rd1!?+=) 28...g5–/+ 29.Kh2 Rg7 30.Raa1 (30.Rb2 h5 31.Nd1 gf4 32.ef4 h4–+) 30...Rdg8 (30...h5 31.Rg1–/+) 31.Rg1 Qe7 (31...gf4 32.ef4 Bf4 33.gf4–/+) 32.Raf1 (32.Rad1 gf4 33.ef4 Bf4 34.gf4 e3 35.Rg7 Rg7–+) 32...Bc7 (32...h5 33.Nh1–/+) 33.Qb2 (better is 33.d4 gf4 34.gf4 cd4 35.Qd4–/+) 33...gf4–+ 34.gf4 Bf4! 35.ef4 e3 36.Nd5 (36.Ng4 Ng4 37.Bg4 Rg4 38.Rg4 Rg4 (38...fg4?! 39.Nd5 g3 40.Kg1 Bd5 41.cd5–/+) 39.de3 Rg2 40.Qg2 Bg2 41.Kg2 Qe3–+) 36...Nd5 (better is 36...Bd5!? 37.Ng4 Ng4 38.Bg4–+) 37.Rg7 Rg7 38.cd5 Bd5 (38...ef2?! 39.dc6 Qh4 40.Qb3 Qf4 41.Kh1=) 39.Bg4?? (39.Ng4 fg4 40.Qc2 Kh8 41.Qd3 g3 42.Kg1–+) 39...fg4 (39...ef2 40.Qb1 (40.Bf5?? Kg8 41.Qe5 Rg2 42.Kh1 Rg1 43.Kh2 Qe5 44.fe5 Rf1–+) 40...Rf7 41.Bf5 Kh8 42.Qd3–+) 40.Qc2 Kh8 41.Ng4 Rg4! (41...Rg4 42.de3 Rg2 43.Qg2 Bg2 44.Kg2 Qe3–+) 0–1. Volkov,Nikolai – Prohorov,Vladimir, It (open) Yalta (Ukraine), 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 0–0 7.Be2 e4 (7...Nbd7 8.0–0 Nb6 9.d3 a5 10.b5 Re8 11.c5 Nbd5=) 8.Ng5 Bf5 9.f3 ef3 10.Nf3 d5 11.Nd5 Nd5=.

6.Nc3 a5 7.b5 (7.ba5 Nc6 8.Be2 Na5 9.Rb1 0–0 10.0–0 Nc6 11.Qb3 Ra7=) 7...Nbd7 (7...e4 8.h3 Bf5 9.g4 Bc8 10.Ng5 a4 11.a3 Ng4+/–) 8.h3 Bh5 9.g4 Bg6 10.Nh4 Nb6 11.Ng6 fg6+=.

6.Nc3 Nbd7 7.Be2 e4 (7...0–0 8.0–0 Nb6 9.d3 a5 10.b5 a4 11.a3 Re8=; 7...a5 8.b5 0–0 9.0–0 Re8 10.d4 c5 11.de5 de5=) 8.Ng5 Ne5 9.f3 ef3 10.Nf3 Qd7 11.0–0 c6=.

6.Nc3 Nbd7 7.h3 Bf5 8.d4 h6 9.Be2 e4 10.Nd2 0–0 11.0–0 d5=.

6.Nc3 Nbd7 7.h3 Bh5 8.Bd3 c6 (8...a5 9.a3 0–0 10.Bf5 ab4 11.ab4 Ra1+=) 9.0–0 (9.g4 Bg6 10.Bg6 hg6 11.Rh2 e4+=) 9...Qc7 (9...Nb6 10.b5 (10.a3= 0–0 11.Rc1 Qd7+=) 10...0–0 11.Qe2 Qd7+=; 9...d5 10.cd5 cd5 11.g4 e4=) 10.Rc1 (10.Bf5 Nb6 11.Bd3 Rd8+=) 10...a5 11.b5 (11.a3 ab4=) 11...c5 (11...Nc5=) 12.Nd5 Nd5 13.cd5 Nf6 14.Qb3 e4 (14...Bf3!? 15.gf3 0–0+=) 15.Bf6 ef3?? (better is 15...ed3 16.Be7 Qe7 17.Qd3 Bf3 18.gf3 Qf6 19.Qe4 Kd8+=) 16.Bg7?? (better is 16.b6 a4 17.bc7 ab3 18.Bg7+–) 16...Rg8–/+ 17.b6 (better is 17.Qb2 f6 18.b6–+) 17...Qd7?? (better is 17...Qc8 18.Bb5 Kd8–+) 18.Bb5+– Rg7 (18...fg2 19.Kg2 Rg7 20.Kh2+–) 19.Bd7 Kd7 20.g4 (20.g3 a4 21.Qb5 Kd8+–) 20...Bg4 (20...f5 21.Kh1 fg4+–) 21.Qa4 (worse is 21.hg4 Rg4 22.Kh2 Rag8+–) 21...Kd8 22.hg4 h5 23.Rc4 Bf6 (23...f5 24.g5!+–) 24.a3 (better is 24.Qc2!? Ke7 25.Qf5 Be5+–) 24...Ke7 25.Re4 (better is 25.Rfc1 Rag8 26.Kf1 hg4 27.Re4 Be5 28.Rc5 f5 29.Re5 de5 30.d6 Kf6+–) 25...Kf8 (25...Be5+–) 26.Qd7 Be5 (26...Rd8 27.Qb7 Bg5 28.Ra4+–) 27.Qb7 (better is 27.d4!? f6 28.Qf5 Rg5 29.Qf3 Ke7+–) 27...Re8 28.Qd7 Bh2 (28...f6 29.Qf5 Rg5 30.Re5 Re5 31.Qf6 Kg8 32.Qd8 Kh7+–) 29.Kh2 Re4 30.Qd6 (better is 30.b7 Rgg4 31.b8Q Kg7 32.Qdd6 Kh7+–) 30...Kg8 31.b7 hg4 32.b8Q 1–0. Dingbat (2105) – Radivoj (1740), chess.net, 1998.

6.Nc3 Nbd7 7.h3 Bh5 8.g4 Bg6= 9.Nh4 0–0 10.Ng6 fg6 11.Bg2 c6=.

6.Nc3 Nbd7 7.h3 Bh5 8.g4 Bg6 9.Nh4 c6 10.a3 0–0 11.Ng6 fg6 12.g5 Ne8 (12...Nh5 13.Qg4=) 13.h4 Nc7 14.Bd3 (14.h5 Bg5 15.hg6 h6+=) 14...d5 15.cd5 cd5 16.h5 Bg5 17.hg6 h6 18.Qb3 White plans b5 18...Nf6 19.Rc1 Kh8 20.Bf5 Qe7 21.b5 b6 22.a4 Rfd8 (22...Qd8 23.Nd1 Nfe8 24.Be5 Rf5 25.Bc7 Nc7 26.Qc2+/–) 23.Ba3 Qe8 24.Ne2 Ne6 25.Rc6 Nf8 26.f4! ef4 27.ef4 (27.Nf4? Bf4 28.Kd1 Ne4–+) 27...Bf4 28.Rf6! gf6 29.Bf8 Qf8 30.Nf4 Re8 31.Kd1 Re5 (31...Rad8+–) 32.g7! (32.g7 Qg7 33.Ng6 Qg6 34.Bg6+–) 1–0. pcmvr (2870) – tassiac (2165), net–chess.com, 2009.

6.Nc3 e4 7.h3 Bh5 (< 7...ef3 8.hg4 Nc6 9.gf3 Nb4 10.Na4+/–) 8.g4 Ng4? (8...a5 9.gh5 ab4 10.Ne4 Ne4+/–) 9.hg4+– Bg4 10.Ne4 0–0 11.Rg1 Qd7? (11...f5 12.Nc3 Nc6+–) 12.Nh2 Bd1 (12...f5 13.Ng4 fg4 14.Rg4 Rf7+–) 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 Exerts pressure on the backward pawn (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 (25...Qf4 26.Rfb1 Nd6 27.Qd5 Nb5 28.Qb5 Bf3 29.Bf3 Qf3 30.Rb3 Rd1 31.Rd1 Qd1 32.Kh2–+) 26.Bf3? (better is 26.Qf3!? Nd6 27.Rfe1=) 26...Nd6–/+ 27.Qd5 Qf4 (27...Qf6 28.g5 Qf4–/+) 28.Rac1? (better is 28.Rad1+=) 28...Ne5 (better is 28...Nb5 29.Qe4 Nd4–+) 29.Be2? (better is 29.Bg2 Ndc4 30.Qe4 Qe4 31.Be4–+) 29...Ndc4 (better is 29...Ne4!? 30.Qb7 Rd2 31.Rce1–+) 30.Qc5?? (better is 30.Rc4 Nc4 31.Qc4=) 30...Nd2–+ 31.Rfd1 (31.Qe3 Qe3 32.fe3 Nf1 33.Kf1–+) 31...Nef3 32.Bf3 Nf3 (32...Qf3?! 33.Qe3 Qd5 34.a4–+) 33.Kg2 Nh4 34.Kf1 Rde8 (better is 34...Qf3 35.Rd8 Rd8–+) 35.Re1? (35.Rc3–+) 35...Qh2 36.Re3 Nf3 (better is 36...Ng2 37.Rcc3 Qh1 38.Ke2–+) 37.Ke2 Ng1 (better is 37...Qh3 38.g5 Qg4–+) 38.Kf1 (38.Rg1 Qg1 39.Re8 Re8 40.Kf3–+) 38...Nh3 39.Qf5 Re3 (better is 39...Nf4!? 40.Qf4 Qf4 41.Rec3–+) 40.fe3 Qh1 41.Ke2 Qc1 42.g5 Qb2 43.Kf1 (43.Ke1 Qa1 44.Kd2 Rd8 45.Kc2–+) 43...Rd8 0–1. Lunin,Mikhail (2230) – Medvedev,Mikhail (2195), Tournament (Elo) (a), 2008.

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 h6 7.d3= 0–0 8.Nbd2 Nbd7 9.0–0 a6 10.a4 Ne8 (10...a5 11.b5=) 11.Re1 (11.a5 Nef6+=) 11...f5 (11...a5 12.b5+=) 12.Qb3 White prepares b5 (12.a5 Nef6+=) 12...c5 (12...a5 13.h3 Bh5 14.Nd4 ed4 15.Bh5 de3 16.Re3+=) 13.b5 (13.h3 Bh5+/–) 13...Bf6 (13...f4 14.d4+=) 14.Bc3 (14.h3 Bh5+/–) 14...g5 (14...g6!?+=) 15.h3+/– Bh5 (15...Bf3 16.Bf3 Rb8+/–) 16.Nh2 (16.Ng5!? Be2 17.Ne6+–) 16...Bg6 (16...Be2 17.Re2 Qe7 18.e4+=) 17.Bf3 Rb8 18.Bd5 (18.a5 ab5 19.cb5 Bf7+=) 18...Kh7 19.Rad1 Nc7 20.e4 (20.Bf3!?+=) 20...Nd5= 21.cd5 h5 (21...ab5 22.Qb5 Ra8 23.Qb7 Ra4 24.ef5 Bf5 25.Ne4+=) 22.Nc4 Qe7 23.ef5 Bf5 24.Ne3 (24.d4 ab5 25.Qb5 cd4 26.Bd4 Rbc8+=) 24...Bg6+= 25.Nhf1 (25.Nf3 Bg7+=) 25...Qf7 26.Ng3 Be7 27.Rf1 h4 (27...Kg8 28.Ne4=) 28.Ne4= Be4 (better is 28...Qf4!?=) 29.de4+/– Nf6 (29...Qf4 30.Nf5 Rf7 31.Qc2 (31.Ne7?! Re7 32.Qc2 Rf7+/–) 31...Rf5 32.Bd2+– (32.ef5?! Nf6+–)) 30.Qb1 (30.Qc4 Qg6 31.Nf5 Qf7+/–) 30...ab5 31.ab5 Qg6 32.Nf5 Rbe8 33.f3 (worse is 33.Ne7 Qe4 34.Be5 Qb1 (34...Re7? 35.Bd6 Qb1 36.Rb1+–) 35.Rb1 de5+=) 33...Nh5 34.Qc2 Ng3 (34...Ng7 35.Ne3+/–) 35.Ng3 hg3 36.Be1 (36.Ra1 g4 37.fg4 Bg5+–) 36...g4+/– 37.Bg3?? (better is 37.hg4!? Bh4 38.Ra1+/–) 37...gf3 (37...gh3 38.Be1+=) 38.Kh2= fg2 39.Qg2 (39.Rg1 Bg5=) 39...Bg5 40.Rf3 Rg8 41.Rg1 Rg7 42.h4 Bh6 43.Qf1 (better is 43.Rf5=) 43...Qe4–/+ 44.Rf7 (44.Qd1 Reg8–/+) 44...Reg8 (better is 44...Qd5 45.Qf5 Kg8 46.Rg7 Bg7–+) 45.Qf5? (45.Rg7 Rg7 (45...Kg7?? 46.Be5 Kh7 47.Qf7 Bg7 48.Rg7 Kh6 49.Qf6 Qg6 50.Qg6; 45...Bg7?! 46.Qf7+=) 46.Qd1 Qg6–+) 45...Qf5 46.Rf5 Be3 47.Rg2 Bf4! 48.Rh5 (48.Bf4 Exploits the pin 48...Rg2) 48...Kg6 49.Bf4 (49.Re5 Kf6 (49...Be5?! 50.Be5 Kh6 51.Bg7 Rg7 52.Rf2=) 50.Rg5 Bg5 51.hg5 Rg5–+) 49...Kh5 50.Rg7 (50.Bg5–+) 50...Rg7 51.Bg5 (51.Bd2 Rg4 52.Ba5–+) 51...Rg5! 52.hg5 Kg5 (better is 52...c4 53.Kg3 c3 54.Kf3–+) 53.Kg3 Kf5 54.Kf3 e4 (54...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 (8...e4 9.Ng5 Be2 10.Qe2= (< 10.Ne2 d5=+)) 9.d4 (9.e4 Nbd7=) 9...Qc7 (9...e4 10.Nd2 Be2 11.Qe2=) 10.b5 (10.e4 Nbd7+=) 10...ed4 (10...Nbd7 11.Rc1=) 11.Nd4+= Be2 12.Qe2 c5 ( 12...a6!?+/–) 13.Nf5+– Qd7?? ( 13...Qd8+–) 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.a3 d5 9.d3 (9.Ne5 Ne5 10.Be5 Be2 11.Qe2 dc4 12.Qc4 Bd6+/–) 9...d4 (9...dc4!? 10.dc4 Qd1 11.Bd1 Bf3 12.Bf3 e4=) 10.ed4 ed4 11.b5 Bf3 12.Bf3 Ne5 (12...Na5 13.Qa4 c6 14.bc6 Nc6 15.Bc6 bc6 16.Qc6+=) 13.Bb7+/– Rb8 14.Bf3 Nf3 15.Qf3 1–0. GuestXQYZ – ardat, freechess.org, 2017.

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? (12...a6!?+=) 13.Ng7 ( 13.Bg7 Bf6 14.Bf8 Qf8 15.Qg4 Kh8 16.Nd4+–) 13...Bf6+/– 14.Bf6 ( 14.Nf5+/–) 14...Qf6=+ 15.Nh5 Qa1 16.Qg4 Kh8 17.Qe4 Rg8 (17...Qe5 18.Qg4 f5 19.Qh3=+) 18.Nd2 ( 18.Qb7 Qe5 19.Nf4+= (19.Qc7? Qh5 20.Qd6 Rg2 21.Kg2 Rg8 22.Qg3 Rg3 23.hg3 Qe2–+)) 18...Qe5=+ (18...Qa2 19.Qd4 Ne5 20.f4+–) 19.Qe5 Ne5 20.f4 Ng4 21.Rf3 Rge8 22.Nf1 Re6 23.h3 Nh6 24.g4 Rae8 25.f5 Re4?? ( 25...Re5=) 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 (55...Rb1 56.Rdd5 Rh1 57.Kg4 Rg1 58.Kf5 Rf1 59.Ke6 Re8 60.Kd7 Re3+–) 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 White prepares b5 19...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 (13...Qd7 14.Qf3+=) 14.Rd1 Qc7 (14...Qc8 15.Qc8 Rac8 16.Nd2+=) 15.Nc3+/– Bd6? (better is 15...Qc8 16.Qc8 Rac8+/–) 16.Nb5+– Bh2 17.Kh1 Qb8 18.Bf6 gf6 (18...Be5 19.Be5 Qe5 20.Qe5 Ne5 21.Rd5+–) 19.Bd3 (19.Qf6?! Be5 20.Qg5 Kh8+=; 19.Qc5?! Be5 20.Rab1 Rc8+/–) 19...Rd8 20.f4 (20.Qh7 Kf8 21.Qh2 Qh2 22.Kh2 Ne5+–) 20...Rd3 (20...Bg3 21.Qg4 Kf8 22.Qg3+–) 21.Rd3 (21.Qd3?! Bg3 22.Nd6 Ne7+–) 21...Ne7 (21...Ne5 22.fe5 (worse is 22.Kh2 Nd3 23.Qd3 Qf8+–) 22...Be5 23.Rad1+–) 22.Qf6 Qf8 23.Kh2 Nc6 24.e4 Rc8 (24...Ne7 25.Rg3 Ng6+–) 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 White intends c5 13...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 (34.Kh2!?=) 34...Qa1+= 35.Kf2 Qb2 36.Ke3?? (36.Kg1!?+=) 36...Be5?? (better is 36...Bh6 37.f4 Qg2–+) 37.Be5–/+ Qb4 38.g4 Ng7 39.Bg7? (39.Qd2!? Qa3 40.Kf2–/+) 39...Kg7 (39...Qe1 40.Qe2 Qe2 41.Ke2 Kg7 42.f4–+) 40.f4 Qc4 41.g5 (41.Qc4 bc4 42.Ke2 h6–+) 41...Qd3 42.Kd3 h6 43.h4 hg5 44.hg5 f6 45.Kc3 fg5 46.fg5 Kf7 47.Kd3 (47.Kb3 Ke6 48.Kb4 Kf5–+) 47...Ke6 48.Ke3 (48.Kc3 Kf5 49.Kb4 Ke4–+) 48...Kf5 0–1. Fournier,Frederic (1970) – iks (2020), Active, 2004.

7.a4 a5+= 8.b5 Nbd7 (8...e4 9.Nd4 Be2 10.Qe2=) 9.0–0 c6 (9...e4 10.Nd4 Be2 11.Qe2=) 10.h3= Bf5 (10...Bf3 11.Bf3 e4 12.Be2=) 11.d3 (11.d4 e4 12.Nfd2 Rc8=) 11...e4 (11...cb5 12.ab5 Qc7 13.Nc3=) 12.Nd4 ed3 13.Nf5 (13.Bf3 Be4 14.bc6 Bf3 15.gf3 Qb6 16.cd7 Qb2+=) 13...de2= 14.Ne7 (14.Qe2 Re8=) 14...Qe7 15.Qe2 c5 (15...cb5 16.cb5 Rfc8 17.Rd1=) 16.Nc3 Nb6 (16...Rae8=) 17.Rfd1+= Rfd8 (17...Qe6 18.e4+=) 18.e4 (18.Qd3!?+=) 18...Qe6+= 19.Nd5 (19.Rac1 Nc4 20.Ba1 Rac8+=) 19...Nbd5 20.cd5 Qe4 21.Qe4 Ne4 22.Rd3 (22.f3 Ng3+=) 22...Re8–/+ 23.Rc1 Nf6 (better is 23...Rac8–/+) 24.Rf3?? (24.Bf6!? gf6 25.Kf1=) 24...Nd7 (better is 24...Nd5 25.Rd3 Nf4 26.Rd6 Ne2 27.Kf1 Nc1 28.Bc1 Rad8 29.Rd8 Rd8–+) 25.Rg3 f6 26.Rc4 (26.Re3 Re3 27.fe3 Nb6–+) 26...Ne5 (26...Re1 27.Kh2–/+) 27.Re4 (27.Rcc3 Rac8–/+) 27...Kh8 (27...Rac8 28.Rc3–/+) 28.h4 (28.Rge3 Rac8+=) 28...Nf7 (28...Rac8–/+) 29.Rf4? (29.Rge3 Re4 30.Re4 Ne5+=) 29...Ne5 (29...Re1 30.Kh2 Ne5–/+) 30.h5 (30.Re4!?=) 30...h6 (30...Nd7 31.Re3–/+) 31.Rf5 (31.Bc3 Kh7+=) 31...Re7 (31...Nc4 32.Bc3–/+) 32.b6 (32.Be5 Re5 33.Re5 fe5+=) 32...Nd7 33.Bc3 (33.Rb3 Re4–+) 33...Nb6 (33...Re4 34.Re3 Re3 35.fe3 Nb6–+) 34.Rf6+= Re1 (34...gf6 35.Bf6 A double attack) 35.Be1 (better is 35.Kh2!? gf6 36.Bf6 Kh7 37.Rg7 Kh8 38.Rg6 Kh7 39.Rg7 Kh8 40.Rg6 Kh7 41.Rg7=) 35...gf6–/+ 36.Bc3 (better is 36.Rg6!? Nd5 37.Rh6 Kg7 38.Rg6 Kf7 39.Rg4–/+) 36...Nd5–+ 37.Bb2 Kh7 (better is 37...Rg8!? 38.Rb3 Rg7–+) 38.Rd3–/+ Nb6 (38...Nf4 39.Rd6 Rg8 40.g3 Nh5 41.Rb6–/+) 39.Rd6 Nc4 (better is 39...Na4 40.Rd7 Kg8 41.Bf6 Ra6–/+) 40.Rd7+= Kg8 41.Bf6 b6 (41...Ra6 42.Bc3+/–) 42.g4 (42.Bg7 Rb8+/–) 42...Re8 (42...Rc8 43.Rg7 Kf8 44.Rh7+/–) 43.Bg7 (43.Rg7 Kf8 44.Rc7 Re1 45.Kg2 Ke8+=) 43...Re6 (43...Ne5 44.Be5 Re5 45.Kf1+=) 44.Bc3 (44.f4 Re1 45.Kf2 Re6+/–) 44...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 (16...Qc7 17.Bb2=) 17.Bc3+= Qc7 18.Ra1 f5 19.Qb2 Bf6 20.Ra7 Qb6 21.Qa2 Kh8 22.Nb3?? (better is 22.Qa5 Qa5 23.Ra5+/–) 22...e4–/+ 23.c5 (23.de4 Bc3) 23...dc5 24.Nc5 (24.Bf6 Nf6 (24...Rf6?! 25.Nc5 Nec5 26.bc5 Qc5 27.de4+/–) 25.bc5 Qb4 26.de4 fe4–/+) 24...Nec5 (24...Bc3? 25.Nd7 Qb4 26.de4 (26.Qe6 ef3 27.Nf8 Qb1 28.Kh2 Qf1 29.Ng6 hg6 30.Ra8 Kh7 31.Qg8 Kh6 32.Qh8 Kg5 33.h4 Kf6 34.Qf8 Ke6 35.Re8 Kd5 36.Rd8 Ke6 37.Qd6 Kf7 38.Rf8) 26...fe4 27.Bg4+–; 24...ef3 25.Nd7 Qd8 26.Qe6 Bc3 27.Nf8 Qf8 28.Qa2 Bb4 29.Ra8+–; 24...Ndc5 25.bc5 Nc5 26.Bf6 gf6 27.Ra8+=) 25.bc5 Qc5 26.Bf6 Nf6 (worse is 26...Rf6 27.de4 Ne5 28.Ra8 Rf8 29.Qa7+/–; 26...ef3?! 27.Bd4 Qc1 28.Kh2=) 27.Be2 Qb4 (27...f4 28.Qa3 Qa3 29.Ra3 fe3 30.fe3 ed3 31.Bd3–/+) 28.Qa1 Nd5 (28...b5 29.d4–/+) 29.Ra8 Nc7 (29...Kg8 30.Rf8 Kf8 31.Qe5+=) 30.Rf8= White gets the initiative 30...Qf8 31.de4 fe4 32.Qb1 b5 33.Qe4 Qe8 (33...Qd6!?=) 34.Qd4+= Kg8 35.Qd6 Ne6 36.Bd1 h5? (better is 36...Ng5=) 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.b5 a6 8.a4 ab5 (8...e4 9.Nd4 Be2 10.Qe2 ab5 11.ab5 Ra1 12.Ba1=) 9.ab5 Ra1 10.Ba1 Nbd7 11.d4 e4 12.Nfd2 Be2 13.Qe2 Qa8 14.Bb2 Qa2 15.Bc3 c6 16.0–0 cb5 17.cb5 Nd5 18.Re1 Rc8 19.Ne4? (better is 19.Rc1!?+=) 19...Qe2–+ 20.Re2 f5 21.Nc5 (better is 21.Nd6 Bd6 22.Bb2–+) 21...dc5 22.dc5 (22.Bb2 N7b6–+) 22...Nc3 (22...Rc5 23.Bd2–+) 23.Nc3 Bc5 (23...Rc5 24.Nd1–+) 24.Nd5 (24.Rd2 Nb6 25.Ne2 Be7–+) 24...b6 (24...Bd6!? 25.Kf1–+) 25.g3 Kf7 26.e4?! (26.Ra2 g5–+) 26...fe4 (better is 26...Re8!? 27.Ra2 Re4 28.Ra7–+) 27.Re4 Nf6 28.Rf4 Rd8 29.Nf6 gf6 30.Kg2 Rd2 31.Rf3 (31.g4 Kg7–+) 31...Rb2 32.h4 Rb5 33.Rd3 (33.g4 Rb4 34.g5 Be7 (worse is 34...Rh4 35.Kg3 Rh1 36.Rf6 Kg7 37.f4–+) 35.gf6 Bf6–+) 33...Rb2 0–1. GuestFYNF – GuestCTMT, freechess.org, 2017.

7.Nc3 a5 8.b5 =.

7.Nc3 a6 8.d4 ed4 (8...e4 9.Nd2 Be2 10.Qe2=) 9.Nd4 Be2 10.Qe2 Re8 (10...d5 11.a3=) 11.0–0+= Nbd7 12.Nf5 Ne5 13.h3 (13.e4 a5 14.b5 a4+=) 13...Qd7 (13...c6 14.Rfd1=) 14.Ne7 (14.e4 g6 15.Ne7 Re7+=) 14...Re7 (14...Qe7 15.Nd5 Nd5 16.cd5=) 15.Rad1 Rae8 16.Nd5 Nd5 17.Rd5 Qc6 18.Rc1 b6 19.Rdd1 h6 (19...Qe4 20.Qc2 f5 21.Be5 Qe5 22.Rd5+/–) 20.Qc2 Ng6 (20...a5 21.b5 Qd7 22.Qc3=) 21.a4 Nh4 (21...Ne5 22.b5 Qb7 23.Qf5=) 22.Rd5 Re4 (22...Re6 23.b5 Qb7 24.Kh2=) 23.b5 ab5 24.ab5 Qb7 25.Qc3 f6 26.Re1 (26.Qb3 R8e6+=) 26...Qc8 (better is 26...c6 27.Rd6 cb5=) 27.Kh2?? (27.Ra1 Qe6+=) 27...Qe6?? (27...Nf3 28.Kg3 Ne1 29.Qe1 Rc4 30.Kh2–+) 28.Bc1?? (28.Ra1 Nf3 29.Kg3 Ne5–/+) 28...Re5 (better is 28...Nf3! 29.Kh1 Ne1 30.Qe1 Rc4–+) 29.Re5 (29.Qd3 Rf5 30.Kg1 Qe4 31.Qe4 Re4=) 29...fe5= 30.e4 Rf8 31.Qg3 Ng6 32.Be3 (32.Kg1 Nf4 33.Bf4 Rf4=) 32...Nf4 33.Bf4 (33.Rc1!?=) 33...Rf4–/+ (worse is 33...ef4 34.Qd3+=) 34.Qd3 Kh8 (better is 34...Rf2!? 35.Qd5 Qf7–/+) 35.f3= Qf6 36.Ra1 h5 (36...Qg6 37.Ra7 Rf7 38.Qd5=) 37.Ra7 Qf7 (37...Qe7 38.Qd5+=) 38.Qd5+/– Qd5 (38...Qe7 39.Qc6 Rf7 40.Qa8 Kh7 41.Qc8+=) 39.cd5 (39.ed5? Rc4 40.Kg3 Kh7–+) 39...Rf7 40.Kg3 Kh7 41.h4 Kg6 42.Kf2 Kf6 43.Ke3 (43.Ra8 Ke7+/–) 43...g5+= 44.hg5 Kg5 45.Ra8 Kh4 (45...h4 46.Rg8 Kf6 47.Kd3+=) 46.Rg8+/– Re7 (better is 46...Rh7 47.g4 hg4 48.fg4 Kg3+/–) 47.Kf2 Rf7 48.Kg1 Re7 49.Kh2 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 (11...ed4 12.ed4 d5 13.Qa4=) 12.ed4 ed4 13.Nd4 Be2 14.Nce2 d5 15.Qc2 Rc8 16.c5 Ne6 17.Ne6 fe6 18.Bd4 (18.c6 Qb6 19.Rac1 Qb5–/+) 18...Qd7 (18...Bc5 19.Bc5 Ne4 20.Qa4 Nc5 21.Qg4–/+) 19.a4 (19.Qb2 Bc5 20.Bf6 gf6 21.Qf6 Qb5=+) 19...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 (< 11...Bb4 12.Nd5 Qd5 13.Nf6 gf6 14.Qg4 Qg5 15.Qb4+/–) 12.d4 f5 (12...c5 13.Rd1 cd4 14.ed4=) 13.a3 Nd5 (13...fe4 14.ab4 Qd6 15.0–0 (15.Ne4?! Qc6 16.Nc5 Qg2=) 15...Qb4 16.Rfb1= (16.Ne4?! Qb3+=)) 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 (10...a5 11.a3=) 11.d4+= ed4 12.ed4 Qc7 13.Rfe1 Rfe8 14.g3 (14.Re3 d5 15.cd5 Bd6+/–) 14...Nb6+= 15.Bc1 d5? (better is 15...Rbd8+=) 16.Bf4 Bd6 17.Bd6 Qd6 18.c5 (18.c5 Qc7 19.cb6 Qb6 20.Ne2+–) 1–0. jdzg – ocbl, internet, 2009.

7.d3 a5 8.b5 a4 9.0–0 Nbd7 10.a3 Nc5 11.Nc3 Re8 12.d4=.

7.d3 c6 8.0–0 (8.a3 a5 9.Nc3 ab4 10.ab4 Ra1 11.Ba1 Qb6 12.b5=; 8.Bc3 Re8 9.0–0 Nbd7 10.Nbd2 Qc7 11.h3 Be6 12.Ng5=) 8...Qb6 9.Bc3 Re8 10.Nbd2 Nbd7 11.a4 Qc7 12.h3=.

7.d3 Nc6 8.a3 Re8 9.0–0 e4 10.Nd4 Be2 11.Ne2 ed3 12.Qd3 Bf8 (12...a5 13.b5 Ne5 14.Qd4=) 13.Nf4 Ne5 14.Qc2 Ng6 (14...Qe7 15.Rd1+=) 15.Ng6 hg6 16.Nd2 d5 17.Rad1 dc4 18.Nc4 Qe7 19.Ne5 (19.Bd4 Nd7+/–) 19...Rad8 (19...c5 20.bc5 Qc5 21.Qc5 Bc5 22.Nd7+=) 20.h3 (20.Qc4 c6+/–) 20...c6 21.Nf3 (21.Qb3 Nd5+/–) 21...Nd5 22.Rfe1 Rd7 (22...Qe4 23.Qe4 Re4 24.Kf1+=) 23.e4 Nf4 24.Rd7 Qd7 25.Ne5 Qd6 26.Rd1 Qe6 27.Qd2 f6 (27...g5!?+=) 28.Qf4+/– fe5 29.Qg3 Bd6 30.Rf1 Qa2 (30...c5 31.bc5 Bc5 32.Rd1+/–) 31.Bc1 (31.Qg6 Re6 32.Qg4 Rf6+–) 31...Rf8 (31...c5 32.Rd1 Qe6 33.bc5 Bc5 34.Be3 Ba3 35.Ba7+/–) 32.Qg6 c5?? (better is 32...Bc7 33.Be3 Bb6 34.Bb6 ab6+/–) 33.Qd6+– cb4 34.ab4 1–0. GuestPRZH – GuestQYCF, freechess.org, 2017.

7.d3 d5 8.a3 e4 9.Nfd2 Be2 10.Qe2 c5 11.cd5 Qd5 12.Nc3=.

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 d5 8.Be5 dc4 9.a3 cd3 10.Qd3 Nbd7 11.Nbd2 a5 12.b5+=.

7.d3 d5 8.Ne5 Bb4 9.Nd2 dc4 10.Nec4 Be2 11.Qe2 b5 12.Ne5=.

7.d3 Nbd7 8.0–0 c6 9.Nc3 d5 10.a3 a5 11.b5 dc4 12.dc4=.

7.d3 Nbd7 8.a3 c6 9.0–0 Qc7 10.h3 Bh5 11.Nbd2 a5 12.Re1 ab4 13.ab4 d5 Black prepares e4 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 (better is 34...g6!?+=) 35.Qe7+/– Qd5 36.Qd8 Kh7 37.Nf5! Qf5 (37...Qf5 38.Qd6 Deflection (38.Qd6 Overloading); 37...Nf5 38.Qd5 Double attack (38.Qd5 Pinning; 38.Qd5 Deflection; 38.Qd5 Decoy)) 38.Qd6 Qa5 39.Qf4 Qd5 40.f3 ef3 41.Qf3 Qc5 42.Qf4 Kg8 43.Kh2 Qe7 44.e4 Qf6? (better is 44...g6+/–) 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.d3 h6 8.Nbd2 c6 9.a3 d5 (9...a5!?=) 10.0–0 (10.Ne5!? Be2 11.Qe2+/–) 10...e4+= 11.de4 Ne4 12.Ne4 de4 13.Nd4 Bf5 1–0. GuestRVYW – GuestLLJX, freechess.org, 2017.

7.d4 d5 8.c5 (8.de5!? Bb4 9.Kf1+=) 8...Bf3 9.Bf3 e4 10.Be2 c6 11.a4 b6 12.Qc2 Qd7 13.Nd2 Na6?? (better is 13...Qe6=) 14.Ba6+– b5 (14...Qc7 15.Qc3+–) 15.ab5 cb5 16.Ra5 Rab8 17.Bb5! Qg4 (17...Qb5 18.Rb5) 18.0–0 (better is 18.Bf1!? Rb4 19.Ra7 Rfb8+–) 18...Bd8 19.Qa4 Ba5 20.Qa5 (20.ba5?! a6 21.Ba6 Rb2=) 20...Rb7 (20...Qe6 21.Ba6+–) 21.Ba6 Re7 22.Re1 (22.c6!? Ree8+–) 22...Re6 (22...Qh4 23.h3 Rb8 24.c6+–) 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 (9...d5 10.cd5 Nd5 11.a3=) 10.0–0 d5 11.b5 a6 (11...cb5 12.cd5 b4 13.f3 Qd5 14.fe4 Ne4 15.Ne4 Qe4 16.Nd2+=) 12.a4 (12.bc6 bc6 13.Nc3 Ra7=) 12...ab5+= 13.cb5 (13.ab5 Ra1 14.Ba1 Qc7=) 13...cb5 (13...Bd6 14.Nc3+=) 14.ab5 Ra1 15.Ba1 Nbd7 (15...Qd7 16.Bb2=) 16.Nb3 (16.f3 Bd6=) 16...Qb6+= 17.Rc1 Ra8 18.Bb2 Ne8 (18...Bb4 19.Bc3 Bd6 20.Bb2+=) 19.Nc3 Nc7 Attacking the isolated pawn on b5 (19...Qe6 20.Nb1=) 20.f3 f5 (20...ef3 21.Qf3 Nf6 22.e4+=) 21.fe4 fe4 22.Nd2 (22.Rf1 Qh6+=) 22...Nf6 23.Ra1 (23.Rf1 Bd6+=) 23...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 (13...cb5 14.c5=) 14.a4 (14.f3 ef3 15.Qf3 cb5 16.cd5 b4 17.ab4 Bb4=) 14...Bb4= 15.Rfc1 Qe7 16.Rc2 Rec8 17.Rac1 Nb6 18.c5 Bc3 19.Bc3 Na4 20.b6 (20.Ba1 Qc7=) 20...Nc3+= 21.Rc3 Ra6 22.Ra3 (22.Ra1 Rca8=) 22...Rca8 (better is 22...Rb6! 23.Ra5 Rb2+=) 23.Ra4= h5 24.Rca1 Qd7 25.Nb3 Kf8 26.Qd2 Will a5 fall? 26...h4 27.h3 (worse is 27.Na5 h3 28.g3 Qg4=) 27...g5 28.Ra5 Ra5 29.Ra5 Rb8 (29...Ra5 30.Qa5 g4 31.Qa7+=) 30.Qe1 Ke7 31.Ra7 g4 32.hg4 Ng4 (32...Qg4 33.Kh2+=) 33.Na5 f5? (33...Nf6 34.f3 h3 35.fe4+/–) 34.Qb4 (better is 34.f3 Nf6 35.Qh4+–) 34...Kf6 35.Qe1 h3?? (35...Ke7 36.f3 Nf6+–) 36.gh3 (36.f3!? ef3 37.gf3 Rg8 38.fg4 Rg4 39.Kh2 Qe6–+) 36...Qh7 (36...Qg7!? 37.Kf1 Nh2 38.Ke2 Nf3+/–) 37.hg4+– Rg8? (37...Qh3 38.g5! Kg6 39.Nc6 bc6=) 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 (19.Nb3 Bg5+=) 19...g5 Black prepares the advance f4 (19...Ng5 20.h4 Nf7 21.Nb3=) 20.f4 (better is 20.Nb3!?+=) 20...ef3+= 21.Nf3 f4 (better is 21...g4 22.Nd2 Bg5+=) 22.Bd2 (22.gf4!? gf4 23.Re1 fe3 24.Qe3 Qg4 25.Kh1=) 22...fg3 (22...g4!? 23.Nh4 Ng5–+) 23.hg3 Qg4 24.Kg2 Nhf6 25.Rh1 Ne4 Attacking the isolated pawn on g3 26.Be1 Rf6 27.Ng1 Qf5 28.Nc3 (28.Nh3!?+=) 28...g4 29.Qd3?? (better is 29.Rh4 h5 30.Kh1–/+) 29...Qf2!! 30.Bf2 (30.Bf2 Rf2 Mate attack) 30...Rf2 0–1. Szary,Marcin (1875) – Sedlak,Andrzej (1700), POL–chT Region, 2007.

7.d4 e4 8.Nfd2 Be2 9.Qe2 d5 10.cd5 (10.a3 c6=) 10...Bb4 11.Qb5 (11.Bc3 Na6 12.a3+=) 11...a5 (11...Bd2 12.Nd2 b6 13.0–0+=) 12.Qb7= Ra6 13.Nc3 (better is 13.Ba3 Rb6 14.Qa8–+) 13...Rb6–+ 14.Qa8 Qc8 15.f3 (15.d6 cd6 16.Rc1–+) 15...Ra6 16.Qa6 Qa6 (worse is 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 (8...e4 9.Be2=) 9.a3 (9.Nd2 c6+=) 9...c6 (9...e4 10.Be2=) 10.0–0 (10.Nd2 Qb6+=) 10...ed4 (10...e4 11.Be2 d5=) 11.Nd2 (better is 11.Bd4!? Re8 12.b5+=) 11...de3+= 12.fe3 d5 13.cd5 cd5 14.Qb3 Nb6 (14...a5 15.Bd4+=) 15.Rfd1 (15.e4 Qd7=) 15...Rc8+= 16.a4 Nc4 (16...Re8 17.a5 Nc4 18.Nc4 dc4 19.Rd8 cb3 20.Rc8 Rc8 21.Ra3=) 17.Bf6 (better is 17.Nc4!? dc4 18.Rd8 cb3 19.Rd3=) 17...Bf6–/+ (worse is 17...gf6 18.Nf1 Qb6 19.Rab1+/–) 18.Rac1?? (better is 18.Rab1 b5 19.Nc4 dc4 20.Rd8 cb3 21.Rc8 Rc8 22.Rb3 Rc1 23.Kf2 ba4 24.Rd3–/+) 18...Nd2–+ 19.Rc8 Nf3 (worse is 19...Nb3 20.Rd8 Rd8 21.Rd5–+; 19...Qc8?! 20.Rd2 Qc1 21.Rd1=) 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.b5 b6 (8...a6 9.Nc3+=) 9.0–0 a5 (9...a6 10.d4=) 10.d4+= e4 11.Nfd2 Bf5 (11...d5 12.cd5 Bd5 13.Nc3+=) 12.f3 Bg6 (12...Re8 13.fe4 Be4 14.Ne4 Ne4 15.Bd3+/–) 13.f4 (13.fe4 Ne4 14.Ne4 Be4+/–) 13...h6 (13...Qd7 14.g4 h6 15.f5+/–) 14.Nc3 d5 15.f5 Bh7 16.Qb3 (16.cd5 Nd5 17.Nd5 Qd5+–) 16...Bd6 (16...Qd7!?+=) 17.Nd5+/– Nd5 18.cd5 Bg3? (better is 18...Re8!? 19.f6! g6+/–) 19.Ne4+– Bd6 20.Nd6 cd6 21.Rf3 Qf6 22.Raf1 Nd7 23.Rg3 (23.e4 Rfe8 24.Rf4 Rac8+–) 23...Rac8 24.e4 Rce8 25.e5! de5 26.de5 Ne5 27.Ba3 Bf5 28.Bf8 Rf8? (28...Kf8 29.Qa3 Kg8 30.Qe3+–) 29.Kh1 (29.Re3 Rc8 30.g4 Bc2+–) 29...Nd7? (29...Rd8 30.Re3+–) 30.Qf3 (better is 30.Bg4 Nc5 31.Qe3 Ne4+–) 30...Ne5?? (better is 30...Bg6+–) 31.Qf5 Qf5 32.Rf5 Nd7 33.Bd3 Nc5 34.Bc2 Nd7 35.Rff3 Ne5 (35...Rd8 36.Rf1+–) 36.Rc3 (36.Rf6 Rb8 37.Rh6 g6+–) 36...Nd7 (36...Rd8 37.Rge3 f6 38.Bf5+–) 37.Rc6 Nc5 (37...Rd8 38.Bf5 Ne5 39.Rb6+–) 38.Rh6 (38.Rb6 Rd8+–) 38...Nd7 (38...f6 39.Bf5+–) 39.Rd6 Ne5 (39...Rc8 40.Bf5 Rc1 41.Kh2+–) 40.Rb6 Nc4 (40...Rd8 41.Ra6+–) 41.Ra6 Rc8 (41...Re8 42.Bd3 Ne5 43.Ra5+–) 42.Bb3 (better is 42.Rc3 Kf8+–) 42...Nd2 43.Ra5 (43.Rd3 Rc1 44.Kh2 Nf1 45.Kg1 Nd2 46.Kf2 Ne4 47.Ke3 Nc5+–) 43...Ne4 (43...Rc1 44.Kh2 Nf1 45.Kg1 Ng3 46.Kf2 Ne4 47.Ke3 Nd6+–) 44.Rg4 (44.Re3 Nd6+–) 44...Nd6 (44...Nf2 45.Kh2 Ng4 46.hg4+–) 45.b6 Rb8 46.Ra6 Nb5 (46...Nb7 47.Rga4 Kh7 48.Ra8 Ra8 49.Ra8+–) 47.Rf4 Nd6 48.Kh2 (48.b7 Nb7 49.Rb6 Kh7+–) 48...g6 (48...Kf8 49.b7! Ke7 50.Rf3 Nb7 51.Rb6+–) 49.h4 (better is 49.b7!? Nb7 50.Rb6 Kg7+–) 49...Kg7 50.a3 (50.a4 Nb7+–) 50...Nf5 (50...Nb7 51.Ra7 Nd6 52.Rb4+–) 51.Re4 (51.Rb4 Rb7+–) 51...Rb7 52.Rg4 (52.a4 Nd6 53.Rb4 Kf6+–) 52...Ne3 (52...Nd6 53.h5+–) 53.Rg3 (53.Rb4 Nf5+–) 53...Nf5 (53...Nf1 54.Kh3 Ng3 55.Kg3+–) 54.Rf3 Nd6 (54...Nh4 55.Rd3 Nf5 56.d6+–) 55.h5! gh5 56.Rg3 (better is 56.a4 Rb8+–) 56...Kh6 (56...Kf6 57.Ba4 Rb8 58.Bc6+–) 57.Kh3 (better is 57.Ra8!? Kh7 58.Bc2 f5+–) 57...Nf5 58.Rg8 Nd6 59.Kh4 (better is 59.a4 f5+–) 59...Kh7?? (59...Nf5 60.Kh3 Nd6+–) 60.Rg3 (better is 60.Rg5 Kh6 61.Bc2+–) 60...Nf5 61.Kh3 Ng3?? (61...Kh6 62.Rc3 Kg5+–) 62.Kg3+– Kg7 63.d6 Kf8 (63...Rd7 64.Bf7! Rd6 65.b7 Ra6 66.b8Q Ra3 67.Bb3 Rb3 68.Qb3+–) 64.a4 (64.Bd5 Rb8 65.Ra8 h4 66.Kh4 Ra8 67.Ba8 Kg7 68.d7 Kg6 69.d8Q Kf5 70.Qe7 Kg6 71.Qg5 Kh7 72.Be4 Kh8 73.b7 f5 74.b8Q Kh7 75.Bf5) 64...Ke8 (64...Rd7+–) 65.a5 Kd7 66.Bf7 (66.Ra7 Ra7 67.ba7 h4 68.Kh4 Kd6+–) 66...Kd6 67.Ra8 (better is 67.Bh5 Rb8+–) 67...Rf7 68.Rc8 (68.Rc8 Rb7 69.Kh4+–) 1–0. GuestLSYV – Chmch, freechess.org, 2017.

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 (8...a5 9.Ne6 fe6 10.b5=) 9.Ne6= Qe6 10.d3 (10.0–0 Nc6=) 10...c6 (10...d5 11.a3+=) 11.g4 (11.0–0 d5 12.a3 dc4 13.dc4 Rd8=) 11...d5+= 12.g5 (12.a3 dc4 13.dc4 Rd8+=) 12...Ne8 (12...Bb4 13.Nc3 d4 14.ed4 ed4 15.gf6 dc3 16.0–0 cb2 17.Rb1 Qf6 18.Qb3–+) 13.Bg4 (better is 13.a3 dc4 14.dc4+=) 13...Qd6 (better is 13...Bb4!? 14.Nd2 f5 15.gf6 Qf6–/+) 14.c5= Qd8 (14...Qc7 15.h4=) 15.h4 (15.Be5 Na6+=) 15...f6 (15...f5 16.gf6 Bf6 17.Be6 Kh8 18.Nc3=) 16.Nd2 (16.Be6 Kh8=) 16...d4 (16...f5!? 17.Be2 Nd7=) 17.Be6+= Kh8 18.g6 (18.ed4 ed4 19.g6 Nc7+=) 18...h6 (better is 18...de3!? 19.fe3 Qd3–/+) 19.Nf3 (19.ed4 Nc7 20.Bc4 ed4+=) 19...Nc7= 20.Bf5 (20.Bc4 de3 21.fe3 Nd5=) 20...Nd5 21.ed4 ed4 (21...Nb4!? 22.Qb3 N8a6=) 22.Nd4+= Re8 (22...Nb4 23.Ne6 Qd5–+) 23.Ne6+/– Qd7 (23...Bf8 24.0–0 Qe7 25.Qg4+/–) 24.Ng7+– Bf8?? (24...Bc5 25.Ne8 Bb4 26.Ke2 Qf5 27.Nf6 Nf6–/+) 25.Ne8 Qe8 26.Qe2 Qe2 (26...Qd8 27.Rg1+–) 27.Ke2 Kg7 28.h5 (28.Bc8 Na6 29.Bb7 Re8 30.Kd2 Ndb4+–) 28...Nb4 29.Bd4 Nc2 30.Be3 Na1 31.Ra1 Na6 32.d4 Nb4 (32...Re8 33.Rb1 Re7 34.Bc8+–) 33.a3 (better is 33.Rb1 a5 34.a3+–) 33...Nc2 (33...Nd5 34.Re1+–) 34.Ra2 (better is 34.Bc2 Re8 35.Rb1+–) 34...Ne3 35.fe3 a5 (35...b6 36.Rb2 Rb8 37.Be4+–) 36.Rb2 Ra7 (36...Rb8 37.Rb6+–) 37.Bc8 a4 (37...Be7 38.Bb7 f5 39.Kf3+–) 38.Rb7 (38.Bb7!? f5+–) 38...Rb7 39.Bb7 Be7 40.Bc6 f5 41.Ba4 Bd8 42.Bd7 Kf6 43.a4 (43.d5 Ba5+–) 43...Bc7 44.Bf5! Kg7 (44...Kf5 Theme: Deflection from g7 45.g7) 45.e4 Bd8 (45...Kf6 46.d5+–) 46.e5 Kg8 (46...Bc7 47.Ke3+–) 47.Kd3 (47.d5 Be7 48.Be6 Kf8+–) 47...Kg7 (47...Bc7 48.Be6 Kf8 49.Ke4+–) 48.Ke4 Bc7 (48...Kf8 49.d5+–) 49.d5 Kf8 50.d6 Bd8 51.c6 1–0. Dopper,Johan – Kramer,Piet, 1994.

7.h3 Bf3 8.gf3 a6 9.a3 h6 (9...Nc6 10.b5 Nb8 11.d4 ab5 12.cb5 ed4 13.Bd4+=) 10.d4= ed4 11.Qd4 Nc6 12.Qf4 d5 (better is 12...Nh7!?=) 13.Rg1+/– Kh8 14.Nd2 (better is 14.cd5 Qd5 15.Qc7+/–) 14...Qd6? (better is 14...d4+=) 15.Qd6+– Bd6 16.cd5 Ne5 17.Ne4 Ne4 18.fe4 Rae8 (18...f6 19.f4 Nd7 20.Bg4+–) 19.f4 Ng6 20.Bd3 Rg8 21.Rc1 Rc8 (21...Ne7+–) 22.e5 Be7 (22...Nh4 23.ed6 Nf3 24.Kf1 Ng1 25.dc7 Nh3 26.d6 Nf4 27.ef4+–) 23.e6 Nh4 (23...Nf4 24.ef4 f6 25.Ke2+–) 24.ef7 Nf3 25.Ke2 Ng1 26.Rg1 Bf6 27.fg8Q Rg8 28.Bf6 gf6 29.Rg8 Kg8 30.a4 Kf7 31.e4 (better is 31.Ba6 ba6 32.b5 ab5+–) 31...Ke7 32.e5 fe5 33.fe5 b6 (33...h5 34.Ba6! ba6 35.Ke3+–) 34.Ba6 (34.Ba6 Ke8 35.Bb7+–) 1–0. Pcmvr – Bauernopfer, playchess.de, 2004.

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 c6 9.d3 Na6 (9...d5 10.Qb3 e4 11.Be2+=) 10.a3 Nc7 11.Nd2 Ne6 12.0–0 Ng5 13.Be2 Qc8 14.h4 (14.f4 ef4 15.ef4 Ne6+=) 14...Ne6= 15.f4 ef4 16.ef4 Nd7 17.f5 Nc7 18.Nf3 Bf6 19.d4 Nb6 20.Qc2 Re8 21.g4 Re4?? (better is 21...d5=) 22.Qe4+– 1–0. GuestMNKP – shembo, freechess.org, 2017.

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.h3 Bf5+=.

7.0–0 a5

8.ba5 e4 =.

8.b5 a4 9.a3 =.

8.b5 Nbd7

9.a4 Nc5 10.Nc3 Nfe4 (10...e4 11.Nd4 Be2 12.Qe2=) 11.Ne4+= Ne4 12.d3 Nc5 13.h3 Bh5 14.Nd2 Be2 15.Qe2 Bf6 16.d4 (16.Ne4 Ne4 17.de4 Qe7+=) 16...ed4= 17.Bd4 Bd4 (17...Qe7 18.Qf3=) 18.ed4 Ne6 19.d5 (19.Qe4 Rc8+=) 19...Nc5 20.Rfe1 Re8 21.Qe8 Qe8 22.Re8 Re8 23.Kf1 g6 24.f3 (24.Ra3 b6=) 24...Kg7 25.Ra3 Kf6 26.Kf2 h6 27.h4 b6 28.g3 g5 29.hg5 (29.h5 Kg7=) 29...Kg5 (29...hg5 30.Nf1=) 30.Kf1 h5 31.Kf2 f5 32.Kf1 (better is 32.f4 Kf6 33.Ra1+=) 32...f4–/+ 33.Kf2 fg3 34.Kg3 h4 (34...Re2 35.f4 Kf6 36.Nf1–/+) 35.Kf2 Kf4 36.Kf1? (better is 36.Nf1–/+) 36...Re3–+ 37.Ra2 (37.Ra1 Rd3 38.Ra2 h3–+) 37...Kg3 (better is 37...h3 38.Kf2 Nd3 39.Kg1–+) 38.Ra1 (38.Kg1 Re1 39.Nf1 Kf3 40.Ra3 Kg4–+) 38...h3 (38...Nd3 39.Ne4 Kf3 40.Nd2 Kg3 41.Kg1–+) 39.Kg1 Re2 40.Ne4 (40.Nf1 Kf4 41.Ra3 Rg2 42.Kh1 Rc2–+) 40...Ne4 (40...Kf3 41.Nc5 dc5 42.d6 cd6 43.Rd1–+) 41.fe4 Re4 (41...Rc2 42.Ra3 Kg4 43.Ra1–+) 42.Ra3 (42.Rc1 Re2–+) 42...Kg4 43.Rc3 Re2 44.Rd3 Re4 (44...Rg2 45.Kh1–+) 45.Rc3 Rf4 (45...Re1 46.Kh2 Re2 47.Kh1–+) 46.Rc2 Kg3 47.Rc3 (47.Rc1–+) 47...Rf3 48.Rc1 Ra3 49.Re1 Ra4 50.Re3 Kg4 51.Re4 Kf3 52.Rh4 (52.Rd4–+) 52...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 Nc5 10.d4 Ncd7 A) 11.Re1 Re8 (11...c5 12.h3 Bh5 13.Qc2 Bg6 14.Bd3 Bd3 15.Qd3 Re8 16.Rad1 Qc7+=; 11...c6 12.Qd3 Rc8 13.Rad1 Re8 14.h3 Be6 15.Ng5 cb5 16.Ne6 fe6+=; 11...ed4 12.Qd4 Nc5 13.Nd5 Ne6 14.Qd1 a4 15.b6 cb6 16.Bf6 Bf6+=; 11...Ra7 12.h3 Bh5 13.Qd3 Re8 14.Rad1 Ra8 15.de5 de5 16.Ne4 Bb4+=; 11...Rc8 12.h3 Be6 13.Bd3 c6 14.d5 cd5 15.cd5 Nd5 16.Nd5 Bd5+=) 12.Qd3 a4 13.a3 ed4 14.ed4 Nb6 15.d5 Nbd7 16.Rab1 Nc5+=; B) 11.Qd3 Re8 (11...ed4 12.ed4 Re8 13.Rae1 d5 14.c5 a4 15.a3 Bh5 16.Bc1 Ra5+=; 11...c5 12.Rad1 cd4 13.ed4 Rc8 14.de5 de5 15.Ne5 Ne5 16.Qg3 Bd6+=; 11...a4 12.a3 ed4 13.ed4 Re8 14.Rae1 Nb6 15.Nd2 Qd7 16.Bg4 Qg4+=; 11...Bh5 12.Rad1 Bg6 13.Qd2 ed4 14.Qd4 Nc5 15.Nd5 Na4 16.Ba1 Re8+=; 11...Rc8 12.Rfd1 c6 13.e4 ed4 14.Nd4 Ne5 15.Qd2 Qd7 16.f3 Be6+/–) 12.Rad1 ed4 13.Qd4 Nc5 14.Nd5 Ne6 15.Nf6 Bf6 16.Qg4 Bb2+=; C) 11.Qc2 Re8 (11...c5 12.de5 de5 13.Rfd1 Qc7 14.Nd5 Nd5 15.cd5 f5 16.d6 Bd6+/–; 11...ed4 12.Nd4 Be2 13.Qe2 a4 14.a3 Re8 15.Rad1 Nc5 16.Nf5 Qd7+=; 11...Ra7 12.de5 de5 13.Rad1 Qc8 14.Ne4 Re8 15.Nf6 Bf6 16.Ng5 Nf8+/–; 11...Bh5 12.Rfe1 Re8 13.de5 de5 14.Ne4 Bg6 15.Bd3 Bd6 16.Nd6 cd6+=; 11...Rc8 12.de5 de5 13.Rfd1 Bd6 14.Ne4 Bf5 15.Bd3 Ne4 16.Be4 Be4+=) 12.de5 Ne5 13.Ne5 de5 14.Bg4 Ng4 15.Rad1 Qc8 16.Nd5 Bc5+=; D) 11.e4 ed4 (11...Re8 12.Re1 ed4 13.Nd4 Ne5 14.Rb1 Be2 15.Qe2 a4 16.a3 c6+=; 11...a4 12.a3 ed4 13.Nd4 Be6 14.Qc2 Nc5 15.Rad1 Qc8 16.f4 Re8+=; 11...Rb8 12.Nd2 ed4 13.Bg4 dc3 14.Bc3 Ng4 15.Qg4 Bf6 16.Bf6 Nf6=; 11...Be6 12.Ng5 ed4 13.Qd4 Ne8 14.Ne6 fe6 15.Bg4 Nc5 16.e5 de5+=; 11...c5 12.de5 de5 13.Nd5 Bd6 14.Ne3 Qc7 15.Ng4 Ng4 16.Qd3 Rad8+=) 12.Nd4 Be6 13.f4 Nc5 14.e5 Ne8 15.f5 de5 16.fe6 ed4=; E) 11.h3 Bh5 (11...Be6 12.d5 Bf5 13.Nh4 Bg6 14.Ng6 fg6 15.f4 Qe8 16.Qc2 Nc5+=; 11...ed4 12.ed4 Bh5 13.Re1 Re8 14.Nd2 Be2 15.Qe2 Qb8 16.Qf3 Qa7+=) 12.Re1 Re8 13.g4 Bg6 14.Nh4 Nf8 15.Bf3 Rb8 16.Qd2 N6d7+=.

9.Nc3 Nc5 10.d4 ed4 11.ed4 (11.Nd4 Bd7 (11...Be2 12.Qe2 a4 13.a3 Re8 14.Rad1 Nfe4 15.Nd5 Bf6 16.f3 Ng5+=; 11...Be6 12.Qd2 a4 13.a3 Nce4 14.Ne6 fe6 15.Ne4 Ne4 16.Qd4 Nf6+=; 11...Qd7 12.Bg4 Ng4 13.Nd5 Bd8 14.Nb3 Nb3 15.ab3 c6 16.bc6 bc6+=; 11...Bc8 12.Nd5 Re8 13.a4 Nd5 14.cd5 Bf6 15.Rc1 Bf5 16.Nf5 Bb2+=) 12.Nb3 Ne6 13.Nd5 a4 14.Nd4 a3 15.Bc3 Ne4 16.Bb4 Bf6=; 11.Qd4 Ne6 (11...Re8 12.Nd5 Na4 13.Ba3 Qd7 14.h3 Bf5 15.Bd3 Nd5 16.cd5 Nc5=) 12.Qd2 a4 13.a3 Re8 14.Rad1 Nc5 15.h3 Bf5 16.Nd4 Bg6=) 11...Nce4 (11...Ne6 12.h3 Bh5 13.Qd2 d5 14.c5 Re8 15.Rae1 Ne4 16.Ne4 de4=; 11...Ncd7 12.Re1 Re8 13.h3 Bh5 14.g4 Bg6 15.Nh4 d5 16.Ng6 fg6+=) 12.Qc2 (12.Ne4 Ne4 13.Qc2 d5 14.cd5 Nf6 15.a3 Re8 16.Rae1 Nd5=) 12...Nc3 13.Bc3 d5 14.h3 Bh5 15.Rfe1 (15.c5 Re8 16.Rae1 Bg6=) 15...Bg6 (15...dc4 16.Bd2 Re8=) 16.Bd3 (16.Qb2 Ne4=) 16...dc4 (16...Bd3=) 17.Bg6 hg6 18.Bd2 Qd5?? (better is 18...Bb4 19.Qc4 Qd6+=) 19.Re7+– Qb5 20.Rc7 Rac8 21.Rb1 Qd5 (21...Qb1 22.Qb1 Rc7 23.Ba5 Rcc8+–) 22.Rbb7 Ne4 23.Rd7 (23.Ra7 Rc7 24.Rc7 f6+–) 23...Qf5 24.Ba5! Rb8 (24...Qa5 25.Qe4 Deflection (25.Qe4 Overloading)) 25.Rf7! Rf7 (25...Qf7 26.Rc7 Double attack (26.Rc7 Decoy); 25...Rf7 26.Ne5 Double attack (26.Rb8 Deflection; 26.Ne5 Decoy; 26.Rb8 Overloading)) 26.Rb8 Kh7 27.Qe4! Qa5 (27...Qe4 28.Ng5 Mate attack) 28.Qh4 Qh5 29.Ng5 Kh6 30.Rh8 1–0. pierret@chesscube.com – shuyebahmed@chesscube.com (1980), ChessCube Game, 2011.

9.Nc3 e4 10.Nd4 (10.Ng5 Bf5 11.Qc2 Nc5+=) 10...Be2= 11.Qe2 Nc5 (11...Ne5 12.f3 c5 13.bc6 ef3 14.gf3 Nc6 15.Nf5+=) 12.Rad1 (12.f3 ef3 13.Qf3 a4+/–) 12...d5= 13.f3 (13.cd5!? Nd5 14.Ba3=) 13...Nd3+= 14.Ba1 dc4 15.fe4 (15.Ne4 Nd5+=) 15...Bd6 (15...Re8+=) 16.Rf3 (16.Nf5!? Be5 17.Nd5 Ba1 18.Ra1=) 16...Ng4 (16...Be5 17.Nf5–/+) 17.h3 Nge5 (17...Nf6 18.Na4 Ne4 19.Nf5–/+) 18.Rff1 Re8 (18...Qd7 19.Qh5–/+) 19.Nd5 (19.Qh5 f6–/+) 19...c6 (19...Nc5 20.Nc3–/+) 20.bc6+= bc6 (worse is 20...Nc6 21.Nc6 bc6 22.Qh5+=) 21.Nf4 Nc5 (21...Rb8 22.Nd3 cd3 23.Qf2+=) 22.Nf5= Ne4 23.d3 cd3 24.Nd3 Ng6 (24...Nd3 25.Rd3 Qc7 26.Bg7 Bh2 27.Kh1+/–) 25.Nf2+= Nf4? (better is 25...Qc7 26.Ne4 Bh2 27.Kh1 Re4+/–) 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 (16...Ne6 17.Ne4+=) 17.Nf5 Qc8 (17...Ned7 18.Nf3=) 18.Ng3 (18.Bc5 dc5 19.e4 Qe6+=) 18...Qe6 (18...Ne6 19.Nde4 Bh4 20.Nf5+/–) 19.h3 (19.Bc5 dc5 20.Nde4 A) 20...Nc4? 21.Nc5 (21.Nf6?! gf6 22.Rc1 Ne5+=) 21...Qg4 22.Nce4+–; B) 20...Be7+=) 19...Rad8 20.e4 Ned3 21.f4 (21.Nb3 Nb3 22.Qd3 Nc5 23.Bc5 dc5=) 21...Bd4 Black gets strong initiative 22.Kh2 Nf2 Increases the pressure on e4 (22...Nb4 23.Bb4 ab4 24.b6 cb6 25.Rb1+=) 23.Nf3= Nd1 24.Nd4 Ne3 25.Ne6 Nc2 26.Bc5 (26.Nc5!? dc5 27.Bc5+=) 26...Re6–+ (26...dc5?! 27.Nd8 Rd8 28.Rf3=) 27.Rd1 Rde8 28.Bf2 Na3 29.Rc1 h5 30.f5 (30.h4 f6–+) 30...R6e7 (30...Re4 31.Ne4 Re4 32.c5 Nb5 33.cd6 cd6 34.Rc8 Kh7 35.Bb6–+) 31.f6 gf6 (better is 31...Re4!? 32.Ne4 Re4–+) 32.Nh5+= Rc8 (32...Re4 33.Nf6 Kf8 34.Ne4 Re4 35.c5 Nb5 36.Rb1+=) 33.Bd4 (33.Nf6 Kg7 34.Bd4+/–) 33...c6 (33...f5!?=) 34.Rc3 (34.Bb2 cb5 35.Ba3 bc4 36.Nf6 Kg7 37.Bb2+/–) 34...cb5 (34...Nb1 35.Nf6 Kh8 36.Nd5 Re5 37.Be5 de5=) 35.Rg3 Kf8 36.Nf6 Do you see the mate threat? (36.Ra3 Re4 (worse is 36...bc4 37.Nf6 Re6 38.Ra5+–) 37.Bc3 b4 (37...bc4 38.Nf6 Re3 39.Nd5+=) 38.Nf6 Rec4 39.Bb4 ab4–+ (39...Rb4?! 40.Rg3–+)) 36...Rec7 37.Rg8 (37.Ra3!? Rc4 38.Nd7 Ke7 39.Nb6 Rd4 40.Nc8 Kd7 41.Na7+–) 37...Ke7+/– 38.Nd5 Ke6 39.Nc7 (39.Re8! Re8 40.Nc7 Ke7 41.Ne8 Ke8 42.cb5 Nb5 43.Bf6+/–) 39...Rc7+= 40.cb5 Nb5 41.Bb6 Rc2 (41...Rc6 42.Be3+=) 42.Ba5 (better is 42.a4!? Nc3 43.Rc8+/–) 42...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 POL, 1991.

9.d4 ed4 10.Bd4 (10.Nd4 Ne5=) 10...c5 (10...Nc5 11.Nc3=) 11.Bc3 b6 (11...Be6 12.Qc2+=) 12.Ng5 Be2 13.Qe2 h6 (13...Re8 14.Rd1+=) 14.Nf3 Ng4 (14...Re8 15.Qc2+=) 15.Nfd2 (15.Rd1 Re8+=) 15...Nge5 16.f4 (16.Rd1 Qc7+=) 16...Ng6 17.Rf3 (17.e4 Bf6+=) 17...Bf6 (17...Re8 18.Qd3+=) 18.Ne4 (18.Qd3 Re8+=) 18...Bc3 (18...Qe7!? 19.Qd3 Rfe8 20.Nd6 Bc3 21.Nc3 Nde5 22.fe5 Ne5+/–) 19.Nbc3+/– Qe7 (19...Nf6 20.Rd1 Ne4 21.Ne4+/–) 20.Rd1 Nh4 (20...Nf6 21.Nd6 Rfd8 22.Nf5 Rd1 23.Qd1+/–) 21.Rh3 Nf5 (21...Nf6 22.Nf6 (22.Rh4 Ne4 23.Ne4 Qh4+=; 22.Nd6?! Rfd8+/–) 22...Qf6 23.Nd5+–) 22.g4+– Nf6? (better is 22...Nh4+–) 23.Nf6 (23.gf5?! Ne4 24.Nd5 Qe8+–) 23...Qf6 24.Nd5 (24.gf5?! Qc3 25.Qd3 Qf6+=) 24...Qg6 25.Qg2 (25.Nb6?! Ra7+–) 25...Ne3 (25...Kh8 26.Nb6 Rab8 27.Nd7+– (27.gf5?! Qg2 28.Kg2 Rb6+–)) 26.Ne7 (worse is 26.Ne3 Rfe8+–) 26...Kh7 27.Ng6 (worse is 27.Re3 Qf6 28.Qf2 d5+–) 27...fg6 (27...Ng2 28.Nf8 Rf8 29.Kg2 Re8+–) 28.Re3 Rf4 (28...Rab8+–) 29.Qa8 1–0. b4_player – opponent, gamecolony.com, 2007.

9.d4 e4 10.Nfd2 Be2 11.Qe2 c6=.

7.0–0 c6

8.a4 Na6!? 9.b5 Nb4=.

8.a4 d5 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.a4 e4 9.Nd4 Be2 10.Qe2 d5 11.b5 cb5 12.ab5 dc4 13.Na3 Nbd7 (13...Ba3 14.Ba3 Re8 15.Qc4=) 14.Nc4+= Nc5 15.f3 Nd3 16.Ba3 Ba3 17.Ra3 Nc5 18.fe4 Nce4 (18...Nfe4 19.d3 Nf6 20.Qf3+=) 19.Rfa1+/– a6 20.d3 (20.ba6!? ba6 21.Ra6 Ra6 22.Ra6+/–) 20...Nc5+= 21.Qf3 Re8 22.Qg3 Qd7? (better is 22...Nh5 23.Qf2 Nf6+=) 23.Nb6+– Qd8 (better is 23...Qg4 24.Qg4 Ng4 25.Na8 Ra8+–) 24.Na8 Qa8 25.Rc1 Ne6 26.Nf5 Kh8 27.Nd6 Rf8 28.d4 a5 29.Rac3 a4 (29...b6+–) 30.Rc8 Rc8 (30...Ne4 31.Ra8 (31.Ne4?! Rc8 32.Ra1 Qa5+/–) 31...Ng3 32.Rcc8+– (32.hg3?! Ra8 33.Nb7 a3+/–)) 31.Rc8 Qc8 32.Nc8 a3 33.Qb8 a2 (33...h5+–) 34.Ne7 1–0. Janek – Gerard, internet, 2016.

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 (10...d5 11.Bc3=) 11.Rc1 (11.a5 d5 12.Bc3 Rad8=) 11...Qb8 (11...b6 12.Ng5 Be2 13.Qe2+=) 12.Ba1 (12.h3 Bh5=) 12...b5 (12...d5 13.Bc3=) 13.Qb3 (13.h3 Bf5=) 13...h6 (13...a5 14.cb5 cb5 15.ba5 Ra5 16.ab5 Rb5 17.Qd1=) 14.Rfe1 (14.Bc3 bc4 15.dc4 e4=) 14...Qb7 (14...a5 15.cb5 cb5 16.ab5 Qb5 17.ba5 Qa5 18.Nc4=) 15.Nf1 (15.Bc3 bc4 16.Nc4 Rab8=) 15...Rab8 (15...bc4 16.Qc4 Rfc8 17.Rb1+=) 16.ab5 (16.cb5 cb5 17.a5 Rbc8=) 16...ab5+= 17.c5 (17.cb5 Qb5 18.d4 Qb4 19.Qb4 Rb4 20.de5 de5 21.Ne5 Ne5 22.Be5 Be2 23.Re2 Nd7=) 17...dc5 (17...Be6 18.Qb1+=) 18.Ne5= (18.Be5? Bf3 19.Bf6 Bd5 (worse is 19...Nf6 20.Bf3 Nd7 21.bc5+/–) 20.Qd5 cd5 (20...Nf6?! 21.Qf3=; 20...Bf6?! 21.Qb3+=) 21.Be7 Rfe8–+) 18...Be2 (18...Be6 19.Qc2=) 19.Nd7 (19.Re2 Bd6 20.Nd7 Nd7 21.bc5+/–) 19...Nd7= 20.Re2 cb4 21.d4 (21.Ng3 Rfd8 22.Nf5 Bf8=) 21...Nb6 (21...Ra8 22.Bb2+=) 22.Nd2 (22.Rec2 Rbc8+=) 22...Ra8 23.Qb1 (23.Bb2 Qd7+=) 23...Ra6 24.Qf5 (24.Bb2 Rfa8–/+) 24...Rfa8–/+ 25.Ree1 (25.Bb2 Ra2 26.Rc2 Qd7 27.Qd7 Nd7–/+) 25...Rc8 (25...Qd7 26.Qf3–/+) 26.Ne4 (26.Red1 Qd7 27.Qf3 Qe6–/+) 26...Nd7 (26...Qd7 27.Ng3–/+) 27.d5 (27.Qg4 Nf6 28.Nf6 Bf6+=) 27...c5–/+ 28.Red1 White plans d6 28...c4 (28...Qc7 29.Qg4 Rg6 30.Qf5–/+) 29.d6 Bf8 30.g4 (30.Qf3!? Qc6 31.Qf5–/+) 30...c3 31.g5 g6 (better is 31...hg5!? 32.f3 g6 33.Qd7 Qd7 34.Nf6 Kg7 35.Nd7 Bd6–+) 32.Qd7+= Qe4?? (32...Qd7 Decoy theme: d7 33.Nf6 A double attack) 33.Qc8+– Ra2 (33...Rc6 34.Qa8 Qg4 35.Kf1+–) 34.Qh3 (34.Rd4 Qf3 35.Rf1 Rd2+–) 34...Qe8 (34...Rd2 35.Rd2 cd2 36.Rd1+–) 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 (13...cd5!? 14.Nd5 Ndf6+/–) 14.dc6+– bc6 15.Qc4 Kh8 16.Qc6 Nef6 (16...Nd6 17.Qa6+–) 17.Nb5 (17.Qe6!? Ng8+–) 17...Rc8 18.Qe6 Rc2 (18...Qb6 19.Qb6 (19.Qe7?! Qb5 20.Qe6 Rc2+/–; 19.Qf5?! Rc2+=) 19...ab6 20.Nc3+–) 19.Bc3 Ng4 (19...Qb8 20.a4 a6 21.Qe7 ab5+/–) 20.h3 Rf6 (20...Qb8 21.hg4 Qb5 22.Rac1 Rc1 23.Rc1+–) 21.Qb3 Rd2 22.Bd2 (22.hg4?! Rd3 23.d5 Qb8+/–) 22...Nh6 (22...Qb8 23.hg4 Qb5 24.gf5+–) 23.Na7 Qb6 (23...Qb8 24.Qa4 Nb6 25.Qa6+–) 24.Nc8 Qd8 25.Ne7 Qe7 26.Rfc1 Nb6 (26...Qd6 27.b5 Nf8 28.a4+–) 27.Rc2 (27.a4 Rd6+–) 27...Nf7 (27...Rg6 28.a4 Qg5 29.g3+–) 28.Rac1 (28.a4 Qb7+–) 28...h6 (28...Rg6 29.a4 Nd8 30.g3+–) 29.Rc7 (29.a4 Rd6+–) 29...Qf8 (29...Qe8 30.b5+–) 30.a4 Kh7 (30...Nd6 31.a5 Na8 32.R7c5+–) 31.a5 Ng5 (31...Nd8 32.ab6 Rb6 33.Qd5+–) 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 (12.b5 Nbd7=+) 12...a6 ( 12...Bb4!? 13.a3 Bc3 14.Bc3 Re8–/+) 13.a3= Nc6 14.Na4 Rc8 15.Nb3 Bd6 16.Nac5 Qc7 17.h3 Rfe8 18.Rfc1 Qe7 19.Qd2 (19.Rc3 Bb8=+) 19...Ra8 (19...Bb8 20.Rc3=+) 20.a4 b6 21.b5 ab5 22.ab5 Ra1 23.Ba1 Na5?? ( 23...Na7–/+) 24.Na6?? (24.Na5 ba5 25.Qa5 Rc8+/–) 24...Ra8 ( 24...Nb3 25.Qe1 Nc1 26.Qc1 Qd7–+) 25.Qb2?? ( 25.Na5 ba5 26.Qa5+/–) 25...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+–; 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 (24.Nd5!?=) 24...Rc8+= 25.Qa6 (25.Qd5!? Qh6 26.Bd4=) 25...Ne3!–/+ 26.fe3 Be3 27.Kh1 Bf4 (27...Rc3?! 28.Nd5 Rc2 29.Ne3 Qe3 30.Qb5=) 28.Bb2?? (28.Rd3 b4! 29.Bb4 Be5–+) 28...Ra8 (better is 28...Rc2 29.Rd2 Bd2 30.Qb5 Qb5 31.ab5 Rb2–+) 29.Qb5 Qb5?? (better is 29...Qh4 30.g3 Bg3–+) 30.ab5= Ra1 31.Ra1 Rb8 32.g3 Bd6 (32...Rb5? 33.gf4 f6 34.Bd4+–) 33.Bd4 (33.Ra6 Bf8 (33...Rb5? 34.Rd6 h5 35.Bd4+–) 34.b6 f6+/–) 33...h6?? (better is 33...Rb5 34.Ra8 Rb8–/+) 34.b6+/– f6 35.Kg2 Kf7 36.Kf3 Ke6 37.Bf2 Kd7? (better is 37...Be5 38.Ra7 f5+=) 38.Ra7+– Kc6 39.Rg7 Bc5?? (39...Rh8+–) 40.Bc5 (better is 40.Rc7 Kb6 41.Rc5+–) 40...Kc5 41.Rg6 (better is 41.b7+–) 41...Rb6 42.Rh6 Kd5 43.Kg4 Ke5 44.h4 f5 45.Kh3?? (better is 45.Kh5 Rb3 46.Rg6+–) 45...Rh6–+ 46.Kg2 Ke4 47.Kf2 f4 48.Kg2 (48.gf4 Rh4 49.f5 Rf4 50.Ke2 Rf5–+) 48...fg3 (48...f3 49.Kf2 Rc6 50.Kf1 Ke3 51.Kg1 f2 52.Kg2 Rc1 53.Kh3 Kf3 54.Kh2 f1Q 55.g4 Rc2) 49.Kg3 Kf5 50.Kh3 Kf4 51.Kh2 (51.Kg2 Rh4 52.Kf2 Rh5 53.Ke2 Rd5 54.Kf2 Re5 55.Kg2 Re2 56.Kf1 Kf3 57.Kg1 Re1 58.Kh2 Rd1 59.Kh3 Rh1) 51...Rh4 (51...Kf3 52.Kh3 Rh7 53.Kh2 Rh4 54.Kg1 Rh3 55.Kf1 Rh1) 52.Kg2 Kf5 (52...Ke3 53.Kg3 Rf4 54.Kg2 Rg4 55.Kh3 Kf3 56.Kh2 Rh4 57.Kg1 Rh3 58.Kf1 Rh1) 53.Kg3 (53.Kf2 Ke4 54.Ke2 Rh2 55.Ke1 Kd3 56.Kf1 Ke3 57.Kg1 Rf2 58.Kh1 Kf3 59.Kg1 Kg3 60.Kh1 Rf1) 53...Ra4 (53...Rf4 54.Kh2 Kg4 55.Kg2 Rf5 56.Kh2 Kf3 57.Kg1 Rh5 58.Kf1 Rh1) 54.Kf3–+ Ra3 55.Ke2 Ke4 56.Kd2 Rh3 57.Kc2 Kd4 58.Kb2 (58.Kd2 Rh2 59.Ke1 Rb2 60.Kd1 Kd3 61.Ke1 Ra2 62.Kf1 Ke3 63.Kg1 Kf3 64.Kh1 Kg3 65.Kg1 Ra1) 58...Kc4 59.Kc2 Rh2 (59...Rd3 60.Kb2 Rd2 61.Kc1 Kc3 62.Kb1 Rd1 63.Ka2 Rc1 64.Ka3 Ra1) 60.Kd1 Kd3 61.Ke1 Ra2 62.Kf1 Ke3 0–1. Fournier,Frederic (1680) – adios (1935), Active, 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 Black plans d4 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 (39.Re1 fe1Q 40.Kh2 Qe5 41.Kg1 Qc5 42.Kh2 Qd6 43.Qd6 Nd6 44.Kg3–+) 39...Qf1!! 0–1. Bychkova,Ekaterina – Razdrogina,Elmira, UKR–ch U14 sf, 2004.

8.b5 Nc5 9.d4= Bf3 (9...ed4!? 10.Nd4 Be2 11.Qe2 a6=) 10.Bf3+= (worse is 10.gf3 ed4 11.Bd4 Re8+=) 10...e4 (10...ed4 11.Bd4 Nfd7 12.Nd2+=) 11.Be2 (better is 11.dc5!? ef3 12.Qf3 dc5 13.Qb7+–) 11...Ne6+= 12.d5 (12.Nc3 c6+=) 12...Nc5 13.Nc3 Nfd7 14.f3 (14.Rb1 Bf6=) 14...ef3 15.Rf3 Ne5 (15...Re8 16.Qd2=) 16.Rh3+= f5 17.Qc2 Qd7 18.Rf1 Rf6 (18...a6 19.g4+=) 19.e4 (19.Na4 Ne4+=) 19...f4 (19...Raf8 20.ef5 Rf5 21.Rf2=) 20.Bc1 (20.Na4 Na4 21.Qa4 Rff8+=) 20...Raf8= 21.a4 (21.Na4 f3 22.Bf3 Ncd3=) 21...Rg6 (21...f3 22.Bf3 Qh3 23.gh3 Nf3 24.Rf3 Rf3–+) 22.Bf4?? (better is 22.Kh1=) 22...Qh3–+ (22...Qh3 23.Bg3 Rf1 24.Bf1 Rg3 25.hg3 Qg3–+) 0–1. Suess,Stefan – Trapp, 1983.

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

8.Nc3 a5 9.b5 Nb6=.

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 (9.h3 Bh5=) 9...Bf8 (9...d5 10.Nd5 Nd5 11.cd5 Bb4 12.d3=) 10.d3 h6 (10...a5 11.a3=) 11.Rfd1 (11.a3 c6+=) 11...Bf5 (11...d5 12.Nd5 Nd5 13.cd5 Bb4 14.Qc4 Bf3 15.Bf3=) 12.e4+= Bg4 13.Nd5 (13.h3 Bh5+=) 13...Rc8 (13...c5 14.Ne3=) 14.Qa4 (14.h3 Nd5 15.cd5 Bf3 16.Bf3 Be7+=) 14...Ra8 (14...a6 15.h3 Bh5 16.Ne3=) 15.Rac1 (15.h3 Nb6 16.Qc2 Bf3 17.Bf3 c5+=) 15...c6 16.Ne3 (16.Nf6 Nf6 17.h3 Bh5=) 16...Bh5 (16...Be6 17.Bc3=) 17.Qc2 (17.a3 a5=) 17...Bg6 (17...d5 18.cd5 cd5 19.d4 ed4 20.Nd5 (worse is 20.Rd4 de4 21.Nh4 Be2 22.Qe2 Qb6+=; worse is 20.Nd4 Bg6=) 20...Nd5 21.ed5 Bb4 22.Bd4=) 18.Rb1 (18.a3 a5+=) 18...Rc8 (18...d5 19.cd5 cd5 20.ed5 Bb4 21.Ne5 Ne5 22.Be5 Re5 23.Rb4 Nd5 24.Rd4 Re3 25.fe3=) 19.Bc3 (19.Rdc1 Nh5+=) 19...d5= 20.cd5 cd5 21.Nd5 (21.ed5 Nb6 22.Qb3 Nbd5 23.Be5 Ne3 24.fe3 Ng4=) 21...Nd5+= 22.ed5 Nb6 23.Qd2 (23.Qb3 Nd5 24.Bd2 Qd6+=) 23...Bd6 24.a3 Nd5 25.Ba1 (25.Bb2 Qf6+=) 25...Nf4 26.Rbc1 Rc1 27.Rc1 Bb8 28.Ne1 (28.d4 e4 (28...Ne2?! 29.Qe2 ed4 30.Qb2+=) 29.Ne1 Qg5–/+ (29...Ne2?! 30.Qe2 Bf4 31.Rd1–/+)) 28...Qg5 29.Rd1 Rd8 (29...e4 30.d4–/+) 30.Qe3 Bc7 (30...b5 31.Bf3+=) 31.Bf3 Bb6 32.Qe5 (32.d4 e4 33.Be2 Bc7–/+) 32...Nh3 33.Kf1 Threatening mate: Qxg7 33...Qe5 34.Be5 Nf2 35.Rd2 Nd3 (35...Bd3?! 36.Nd3 Nd3 37.Bc3+=) 36.Nd3 (36.Bg3 a5+=) 36...Bd3 (36...Be3 37.Rd1 Rd3 38.Ke2 Ra3 39.Bb7–/+) 37.Ke1+= Re8 (37...f6 38.Bf4+=) 38.Rd3 Re5 39.Kd2 Re7 40.Rc3 (40.a4 a5+=) 40...Bg1 (40...g6 41.Rc8 Kg7 42.Rb8+=) 41.h3 g6 42.Rc8 Kg7 43.Rb8 b6 44.Rb7 Kf6 (44...Rb7 45.Bb7 a5 46.Kd3+=) 45.Re7 Ke7 46.Kd3 (46.b5 Kd6+=) 46...Kd6 (46...a5 47.b5+=) 47.Kc4 (47.b5 f5+=) 47...Be3 (47...a5 48.b5+=) 48.a4 a5 49.ba5 (49.b5 f5+=) 49...ba5 50.Kd3 (50.Bd5 f5+=) 50...Bc1 (50...Bf4 51.Kd4–/+) 51.Kd4 (51.Kc4 f5+=) 51...f5–/+ 52.Be2 (52.Bd5 Bb2 53.Kc4 Ke5–/+) 52...Bb2 53.Ke3 (53.Kc4 Ke5–/+) 53...Ke5 (53...h5 54.Bc4–/+) 54.Kf3 (54.Bc4 h5–/+) 54...Kf6 (54...Bd4 55.Bb5–/+) 55.Bb5 Ke7 (55...Bd4 56.Ke2–/+) 56.Bd3 (56.g4 Be5–/+) 56...h5 57.Bb5 Be5 (57...h4 58.Kf4–/+) 58.Bd3 (58.Bc4 h4–/+) 58...Kf6 59.Bb5 g5 (59...h4 60.Ke3–/+) 60.Bd3 (60.Ke3 h4–/+) 60...g4 (60...Bd4 61.Bc4–/+) 61.hg4 fg4 62.Kf2 (62.Ke4 h4–/+) 62...Kg5 (62...Bd4 63.Kg3 Kg5 64.Kh2–+) 63.Be4 (better is 63.Ke3!?–/+) 63...Bd4 64.Kg3?? (better is 64.Ke2–+) 64...Bg1 0–1. Kreuzer,Uwe – Wienold, tt Verb'Liga, 1988.

8.Nc3 h6 9.d4 Re8 10.Qc2 (10.a3 Bf5=) 10...Bf8 (10...ed4 11.Nd4 Be2 12.Qe2=) 11.a3+= e4 12.Nd2 Be2 13.Ne2 c6 14.d5 Rc8 (14...cd5 15.cd5 Rc8 16.Qb3+=) 15.dc6 bc6 16.Qa4 Qc7 17.Rfc1 Qb7 (17...g6 18.Bd4 c5 19.Bf6 Nf6 20.Nc3+=) 18.Bd4 a6 19.Rab1 d5 20.h3 (20.Ng3 Bd6+=) 20...Bd6= 21.cd5 cd5 22.Nb3 Rc1 23.Rc1 Rc8 24.Nc5 Attacking the isolated pawn on a6 24...Bc5 25.bc5 Rc6 26.Ng3 Qc8 (26...Kh7 27.Qd1+=) 27.Nf5 Kf8 28.Rb1 (28.Rc3 Ne8+=) 28...Ne8 (28...Nc5? 29.Qc6 Qc6 30.Rb8 Ne8 31.Bg7 Kg8 32.Ne7 Kg7 33.Nc6+–) 29.Qb3 Ndf6 (29...Nc5 30.Qd5 Nd3 31.Qe4 Rc1 32.Rc1 Qc1 33.Kh2 Qa3 34.Qb7+/–) 30.g4 (30.Qb7 Nd7+=) 30...Qd7 31.Qb8 Rc8 32.c6 Rb8 (32...Rc6 33.Qb4 Double attack; 32...Qc6 33.Qb4 Pinning) 33.Bc5 (33.cd7?? Rb1 34.Kg2 Nd7–+) 33...Kg8 34.Rb8 (34.cd7?? Rb1 35.Kg2 Nd7 36.Ne7 Kh7–+) 34...Qe6?? (better is 34...Qc7 35.Bd6 Qc6 36.Ne7 Kh7 37.Nc6 Nd6+–) 35.c7 1–0. pcmvr (2745) – ventinovesettembre (2410), net–chess.com, 2008.

8.d3 a5 =.

8.d3 a6 9.Nbd2 Ne8 10.h3 (10.a3 a5+=) 10...Bh5 11.a4 (11.d4 Bg6+=) 11...f5 (11...Nef6 12.a5=) 12.Qc2 (12.a5 Bf6=) 12...Nef6 (12...a5 13.b5=) 13.Rfe1 (13.a5 d5=) 13...h6 (13...a5 14.Ng5 Qc8 15.Ne6=) 14.Nf1 (14.Nh4 a5+=) 14...Qe8 (14...a5 15.b5+=) 15.Ng3+= Nh7? (better is 15...Bg6+=) 16.Nh5+– Qh5 17.Ne5 Qe8 18.Nd7 Qd7 19.Bf3 (better is 19.a5+–) 19...f4? (better is 19...c6+–) 20.Bd5 (20.Bb7 fe3 21.Re3 Rab8 22.Bd5 Kh8+–) 20...Kh8 21.Bb7 Rab8 (21...Ra7 22.Bf3+–) 22.Be4 (22.Ba6 f3 23.g4 Ng5+–) 22...c6 (22...fe3 23.Re3 Bg5 24.Re2 Rb4 25.Bc3+–) 23.Bh7 (23.ef4!? d5 24.cd5 cd5 25.Bd5 Bb4+–) 23...Kh7 24.d4 (24.ef4!? Rf4 25.Rab1 Rf7+–) 24...Kh8 25.ef4 Rf4 (25...d5 26.c5+–) 26.b5! Rbf8? (26...ab5 27.g3 Combination; 26...cb5 27.ab5 Decoy) 27.bc6 Qd8 28.Rf1 Bh4 (28...Bf6 29.g3 Rf3 30.Qd1+–) 29.f3 (29.g3 Rf3 30.gh4 Qh4+–) 29...Bg3? (better is 29...Qb6+–) 30.d5 (30.Rab1 R4f5+–) 30...R4f5 31.Rae1! Rh5? (31...Be1 32.Qc1 Double attack (32.Qc1 Decoy)) 32.Qg6 Rg5 (32...Qb6 33.c5! Qb2 34.Re8 (34.Qh5?! Qd4 35.Kh1 Be1 36.Re1 Qc5+–; 34.Qg3?! Rd5 35.Rd1 Rg5+–) 34...Qd4 35.Kh1 Re8 36.Qe8 (36.Qh5 Re7 37.Qf5 Qf2+=) 36...Kh7 37.Qh5+–) 33.Qh6 Kg8 34.Qe6 Kh7 35.Re4 Qb6 36.Bd4 Qd8 (36...Qa5 37.Kh1 Bf4 38.Qe7+–) 37.h4 (37.Qd7 Qd7 38.cd7 Rd8+–) 37...Rg6 38.Qe7 Bh4 (38...Qe7 39.Re7 Bh4 40.Ra7+–) 39.Qd8 (better is 39.Rh4 Kg8 40.Qd8 Rd8 41.Rb1+–) 39...Bd8 (39...Rd8?? 40.Rh4 Rh6 41.Rh6 gh6 42.Bb6+–) 40.Rfe1 (better is 40.Be3!? Kg8+–) 40...Rf3 41.Re8 Bh4 (41...Ba5 42.Ra8 Rg4+–) 42.R1e4 (42.c7 Be1 43.c8Q Rgg3 44.Rh8 Kg6 45.Qe6 Kg5 46.Bg7 Rg2 47.Kg2 Rf2 48.Kg1 Rf5 49.Bh6 Kg4 50.Qg6 Rg5 51.Qg5 Kh3 52.Qg2 Kh4 53.Be3) 42...Bf6 (42...Rf7 43.Rh4 Rh6 44.Rh6 gh6 45.Bb6+–) 43.c7 Bd4 44.Rd4 Rfg3 45.Rh4 Rh6 46.Rh6 Kh6 47.c8Q 1–0. GuestZYWL – GuestTBLS, freechess.org, 2016.

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.d3 c6 9.Nbd2 d5 10.a3 (10.Ne5 Ne5 11.Be5 Be2 12.Qe2 Bb4 13.Nf3=) 10...h6? (better is 10...Bd6!?=) 11.Ne5+/– Ne5 12.Be5 Be2 13.Qe2 Nd7 14.Bb2 dc4 15.Nc4 Nf6 16.Rad1 Re8 17.f3 (17.Qf3 Qd5+/–) 17...b5 18.Nd2 (18.Ne5 Rc8+/–) 18...Bd6 (18...Nd5!? 19.e4 a5=) 19.Ne4+/– Ne4 20.fe4 Qc7 21.h3 Be7 (21...a5!?+/–) 22.Qg4+– Bg5 23.Rf3 g6 (23...a5 24.h4 f5 25.Qg3+–) 24.h4 Be7?? (24...Bd8+–) 25.Qf4 White prepares e5 (better is 25.Rf7! Kf7 26.Rf1 Bf6 27.Rf6 Ke7 28.Rg6+–) 25...Qf4+/– 26.Rf4 Rad8 (26...a5!? 27.Rdf1 Rf8+/–) 27.Rdf1 Rf8 28.d4 Bd6 (28...g5 29.Rf5+/–) 29.e5+– Be7 30.Bc1 (30.Rc1 Rc8+–) 30...g5 (30...Kg7 31.Kf2+/–) 31.hg5+– Bg5 32.Rg4 Rde8? (better is 32...Kh7+–) 33.e4 Ra8 (33...Re6+–) 34.Bg5 (34.Bg5 f5 35.Bh6 fg4 36.Rf8 Rf8 37.Bf8+–) 1–0. GuestBTYG – GuestKTQM, freechess.org, 2017.

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 ed4 9.Nd4 Ne5 10.Bg4 Nfg4 11.h3=.

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 (13...a6 14.ba6 Ra6 15.Nc3=) 14.a4 a5 15.ba6 Ra6 16.Qc2 Nf6 (16...f5!?+=) 17.Nc3+/– Bd6 18.h3 (better is 18.a5!? Nbd7 19.Bc4+/–) 18...Re8 19.a5 Nc8 20.Bc4 Rc6? (better is 20...Ra7!?+=) 21.Bb5 Rc3 (21...Na7 22.Bc6 Nc6+–) 22.Bc3 c6 23.Bc4 Bb8 24.Rfb1 Nd6 25.Bf1 Qc7 26.g3 Nf5 27.Be1 Nh4 (27...Qd7 28.a6 ba6 29.Ra6+–) 28.Bg2 (28.Be2!? Nf3 29.Bf3 ef3+–) 28...Ng2 29.Kg2 Nd5 (29...Ba7 30.a6 ba6 31.Ra6+–) 30.a6 (30.Qb2 Re7+–) 30...ba6 (better is 30...Qg3 31.fg3 Ne3 32.Kg1 Nc2+–) 31.Ra6 Qg3 32.fg3 A deflection 32...Ne3 Theme: Double Attack 33.Kg1 Nc2 34.Ra8 Ne1 (34...h5 35.Rab8 Rb8 36.Rb8 Kh7+–) 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 Bf3 9.Bf3 c6 10.d3 Ne8 (10...Qb6 11.a3=) 11.Nd2 f5 12.b5 c5? (better is 12...Qc7+=) 13.Bb7+– Rb8 14.Bd5 Kh8 15.a4 Nef6 16.Bc6 Ng8 17.f4 (17.Qh5 g6 18.Qf3 Bf6+–) 17...Bf6 18.e4 (18.Qf3 Ne7 19.Bd7 Qd7+/–) 18...ef4+/– 19.Rf4?? (better is 19.Bf6 Rf6 20.Rf4 fe4 21.Rf6 Ngf6 22.Bd7 Qd7 23.Ne4+/–) 19...Bb2–+ 20.Rb1 Be5 (better is 20...Bd4!? 21.Kh1 Ne7 22.Nb3–+) 21.Rf5 Rf5 22.ef5 Ndf6 23.Qf3 Qa5 24.Qd1 Ne7 25.Nf3 (25.Be4 Qc3 26.Qe2 Re8–+) 25...Nc6 (better is 25...Nf5!? 26.Ne5 de5 27.Qe1–+) 26.bc6 Rb1 (better is 26...Re8–+) 27.Qb1= h6 (27...Qd8!?=) 28.Ne5+= de5 29.Qb8 Kh7 30.Qe5 Qd8?? (30...Qa4 31.c7 Nd7+–) 31.Qg3 (better is 31.c7 Qd7 32.Qc5+–) 31...Qd4 32.Kh2 Nh5 (better is 32...h5!? 33.c7 Qd7+/–) 33.Qg6+– Kg8 34.Qe8 Kh7 35.Qg6 Kg8 36.Qe8 Kh7 37.c7?? (better is 37.Qh5 Qf4 38.Kg1 Qe3 39.Kf1 Qd3 40.Qe2 Qf5 41.Kg1+–) 37...Qd6 38.Kg1 Qc7?? (better is 38...Qd4 39.Kf1 Qd3 40.Ke1 Qc3 41.Kf2 Qd2 42.Qe2 Qf4 43.Qf3 Qc7 44.Qh5 Qf4 45.Ke1 Qc1 46.Kf2 Qc4 47.Qg6 Kg8 48.Qe8 Kh7=) 39.Qg6 (39.Qh5 Qd6 40.Qe2 Qd4 41.Kh1 Qa1 42.Kh2 Qa4+/–) 39...Kh8 40.Qe8 Kh7 41.Qh5 Qd6 42.Qg6! Qg6 43.fg6 Kg6 44.Kf2 Kf5 45.Ke3 Ke5 46.g4 g6 47.h4 a6 (47...a5 48.h5 g5 49.d4 cd4 50.Kd3 Kf4 51.Kd4 Kg4+–) 48.a5 g5 (48...h5 49.g5 Kf5+–) 49.h5 Ke6 50.Ke4 Kd6 51.Kf5 Ke7 52.Kg6 (52.Ke5!? Kd7 53.Kd5 Kd8+–) 52...Kd6 53.Kh6 Ke5 54.Kg5 Kd4 55.h6 (55.h6 Kd3 56.h7 Kc4 57.h8Q+–) 1–0. GuestMPBT – GuestMMMD, freechess.org, 2017.

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 (30.Ne4 Be4 31.de4 Nc3–+) 30...Bd3 31.Bd3 Nd3 32.Kg3 h6 33.Nd2 Nc3 34.f3 (34.Kf3 Nb2–+) 34...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 (55.Kc1 h3 56.Kd2 h2 57.Kc1 h1Q 58.Kb2 Nc3 59.Kc2 Qb1 60.Kd2 Qd1) 55...h3 (55...e3 56.Kd1 h3 57.Ke2 h2 58.Kd1 h1Q 59.Kc2 Na3 60.Kb2 Qb1 61.Ka3 Qb3) 56.Kf2 (56.Kd2 e3 57.Kc1 h2 58.Kc2 e2 59.Kd2 d3 60.Kc1 e1Q 61.Kb2 Qd2 62.Kb1 h1Q) 56...h2 (56...e3 57.Kf1 d3 58.Kg1 d2 59.Kh2 Nd4 60.Kh1 d1Q 61.Kh2 Nf3) 57.Kg2 c3 58.Kh2 (58.Kh1 c2 59.Kh2 d3 60.Kg2 d2 61.Kf2 d1Q 62.Kg2 Qe2 63.Kg1 c1Q) 58...c2 59.Kg2 c1Q 60.Kf2 Qe3 (60...Qc2 61.Ke1 Kf3 62.Kf1 Qd1) 61.Kg2 Qf3 (61...Qd2 62.Kf1 Kf3 63.Kg1 Qg2) 62.Kg1 (62.Kh2 Qe2 63.Kg1 Kf3 64.Kh1 Qg2) 62...Qe2 63.Kh1 Kg3 64.Kg1 Qg2 0–1. Fournier,Frederic (1945) – aranjuez69 (1765), Active, 2005.

8.Nc3 c6

9.a3 Qb6 10.h3 (10.d4 e4 11.Nd2 Be2 12.Qe2 d5 13.f3 ef3 14.Qf3 dc4 15.Nc4+=) A) 10...Bh5 11.d3 (11.d4 e4 12.Nd2 Bg6 13.Rc1 Rfc8 14.c5 Qc715.cd6=; 11.Qc2 a5 12.ba5 Ra5 13.d4 Bg6 14.Qd2 Re815.c5=; 11.e4 a5 12.b5 Rae8 13.d3 Nc5 14.Bc1 Qc715.Be3=; 11.Rc1 a5 12.b5 e4 13.Nd4 Be2 14.Qe2 Ne515.f3=; 11.Re1 e4 12.Nd4 Be2 13.Nce2 Rfe8 14.Nf5 Ne515.Be5=; 11.Ra2 Rfe8 12.g4 Bg6 13.Nh4 Nf8 14.f4 ef415.Rf4=) 11...Rfe8 12.g4 Bg6 13.g5 Nh5 14.Nd2 a5 15.c5+/–; B) 10...Bf5 11.d4 (11.d3 a5 12.b5 Rad8 13.e4 Be6 14.d4 ed415.Qd4+=) 11...Rad8 12.Nh4 Bg6 13.Ng6 fg6 14.Qb3 Qc715.Rad1+=.

9.a3 Nb6 A) 10.d4 Bf3 (10...e4 11.Nd2 Be2 12.Qe2 d5 13.c5 Nc8 14.f3 ef315.Qf3+=) 11.gf3 a5 12.de5 de5 13.c5 Nbd7 14.Ne4 b515.cb6=; B) 10.d3 B1) 10...Qd7 11.e4 (11.h3 Bf3 12.Bf3 Qe6 13.a4 a5 14.Qb3 ab415.Qb4=; 11.Nd2 Be2 12.Qe2 a5 13.f4 ef4 14.Rf4 ab415.ab4=; 11.a4 a5 12.b5 Rad8 13.Rb1 Rfe8 14.Qc2 Qc715.bc6=) 11...Bf3 12.Bf3 Qe6 13.Be2 Rfe8 14.f4 ef415.Rf4+=; B2) 10...a5 11.b5 (11.Nd2 ab4 12.ab4 Ra1 13.Qa1 d5 14.Bg4 Ng415.c5=) 11...Re8 12.Rb1 Rc8 13.bc6 bc6 14.Nd2 Be615.Nb3=.

9.a3 Qc7 10.d4 e4 (10...Nb6 11.de5 (11.Qd3 Be6 12.Nd2 Rfe8 13.Rfd1 ed4 14.Qd4 d5 15.cd5=; 11.c5 Nbd7 12.de5 de5 13.Qc2 b6 14.cb6 ab6 15.Rfd1=) 11...de5 12.c5 Nbd7 13.Qc2 b6 14.cb6 ab6 15.Rfd1=; 10...Rfe8 11.Qc2 (11.e4 a5 12.Re1 ab4 13.ab4 Bf3 14.Bf3 Ra1 15.Ba1=) 11...a5 12.Rfd1 ab4 13.ab4 Ra1 14.Ba1 Ra8 15.Bb2=; 10...Bf5 11.Qb3 (11.Rc1 h6 12.Qd2 e4 13.Ne1 a5 14.b5 Rfe8 15.f3=; 11.Ng5 h6 12.Nf3 a5 13.b5 Rae8 14.Rc1 Rc8 15.Qd2=; 11.Qd2 a5 12.b5 Rfe8 13.Rfd1 e4 14.Nh4 Bg4 15.Rac1=) 11...Rfe8 12.d5 Ne4 13.Ne4 Be4 14.Nd2 Bg6 15.Bd3+=) 11.Nd2 Be2 12.Qe2 d5 13.cd5 cd5 14.Rac1 Qd8 (14...Qb6 15.f3+=) 15.f3 ef3 16.Qf3 Nb6 17.e4 Rc8 (better is 17...de4!? 18.Nce4 a5+=) 18.e5+/– Ne8 19.Nd5! Nd5 (19...Nd5 20.Rc8; 19...Qd5 20.Qd5) 20.Rc8 Qc8 21.Qd5 Qc2 22.Bc1 Bg5 23.Qe4 Qa2 24.Rf2 Nc7?? (better is 24...Qe6+–) 25.Nf1 (25.Qb7?! Qc2 26.Rf1 Be3 27.Kh1 Bd4+/–) 25...Qa1 (25...Qd5 26.Qd5 Nd5 27.Bg5+–) 26.Bg5 (26.Bg5 Ne6 27.Be7 Qd4 28.Qb7+–) 1–0. pcmvr (2740) – attasantotjia (2455), net–chess.com, 2007.

9.a3 d5 A) 10.d3 A1) 10...Qb6 11.h3 (11.c5 Qc7 12.d4 ed4 13.Qd4 b6 14.cb6 ab615.Rac1=; 11.Qc2 Rfe8 12.Na4 Qc7 13.cd5 Nd5 14.Nc5Bc5 15.bc5=; 11.Ng5 Be2 12.Qe2 Rfe8 13.cd5 cd514.Qf3 Qd6 15.Rac1=; 11.Nd2 Be2 12.Qe2 a5 13.b5 Rfe814.Rab1 d4 15.bc6=) 11...Bf3 12.Bf3 dc4 13.dc4 Rfd814.Qc2 a5 15.c5=; A2) 10...dc4 11.dc4 a5 12.b5 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac815.Rac1=; A3) 10...Re8 11.Qb3 (11.Rc1 dc4 12.dc4 a5 13.b5 Qc7 14.Qc2Rad8 15.Rfd1=; 11.cd5 cd5 12.Qb3 Rc8 13.Rac1 Nb614.Na4 Bd6 15.h3=; 11.Qc2 a5 12.cd5 cd5 13.Qb3 Qb614.b5 Rac8 15.Rfc1+=; 11.h3 Bf5 12.cd5 cd5 13.Qb3Rc8 14.Rac1 Be6 15.d4=) 11...dc4 12.dc4 Qb6 13.Rfd1a5 14.Na4 Qc7 15.c5=; A4) 10...Qe8 11.h3 Bf5 12.cd5 cd5 13.Nb5 Qb8 14.Rc1 Bd8 15.Qc2= ; A5) 10...a5 11.b5 dc4 12.dc4 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac815.Rac1=; B) 10.d4 Bf3 (10...e4 11.Nd2 Be2 12.Qe2 Bd6 13.f3 Qc7 14.fe4 Bh215.Kh1=) 11.Bf3 dc4 12.Be2 ed4 13.Qd4 b5 14.Bf3 Qc715.Ne4+=; C) 10.c5 C1) 10...Qc7 11.d4 (11.h3 Bh5 12.d4 Bf3 13.Bf3 e4 14.Be2 b615.Qd2=) 11...ed4 12.Qd4 Rfe8 13.Rfc1 a5 14.h3 ab415.ab4=; C2) 10...e4 11.Nd4 Be2 12.Nce2 Ne5 13.Nf4 Qc7 14.Nf5 Nc415.Bd4=; C3) 10...Re8 11.d4 (11.Qc2 Qc7 12.Rfc1 e4 13.Nd4 Be2 14.Nce2Ne5 15.Nf4=; 11.h3 Bf3 12.Bf3 a5 13.d4 ab4 14.ab4Ra1 15.Ba1=; 11.d3 b6 12.d4 e4 13.Ne5 Be2 14.Ne2Qc7 15.cb6=; 11.Re1 e4 12.Nd4 Be2 13.Nce2 Ne5 14.Nf4g5 15.Nf5+=; 11.Kh1 e4 12.Nd4 Be2 13.Nce2 Ne5 14.Nf4Nc4 15.Rb1=) 11...Bf3 12.Bf3 b6 13.b5 e4 14.bc6 Nb815.Be2=; C4) 10...Rb8 11.d4 e4 12.Ne5 Be2 13.Ne2 Ne5 14.de5 Nd7 15.Nf4= ; C5) 10...Qe8 11.d4 (11.Ng5 Be2 12.Qe2 b6 13.d4 h6 14.Nf3 e415.Nd2=) 11...e4 12.Nd2 Be2 13.Qe2 Bd8 14.f3 Bc715.fe4=; C6) 10...b6 11.d4 e4 12.Nd2 Be2 13.Qe2 a5 14.f3 ef3 15.Qf3= ; D) 10.cd5 cd5 11.d4 (11.Rc1 a5 12.b5 e4 13.Ne1 Be2 14.Qe2 Bd615.a4=; 11.h3 Be6 12.Ng5 a5 13.Ne6 fe6 14.ba5 Qa515.Qb3=) 11...e4 12.Nd2 Be2 13.Qe2 a5 14.b5 Bd6 15.f3=.

9.a3 Re8 A) 10.d4 e4 11.Nd2 Be2 12.Qe2 d5 13.f3 ef3 14.Qf3 dc4 15.Nc4=; B) 10.e4 B1) 10...Qb6 11.Ng5 (11.h3 Bh5 12.d3 a5 13.b5 Nc5 14.Bc1 Rad815.Be3=) 11...Be2 12.Qe2 a5 13.b5 Rac8 14.Rab1 d515.bc6=; B2) 10...Nb6 11.d3 (11.Qb3 a5 12.Rad1 a4 13.Qa2 c5 14.bc5 Bf315.Bf3=; 11.d4 Bf3 12.gf3 Nh5 13.de5 Nf4 14.Bc1de5 15.Bf4+=) 11...a5 12.Ng5 Bd7 13.d4 ed4 14.Qd4 c515.bc5=; C) 10.h3 C1) 10...Bf5 11.Qb3 (11.d4 a6 12.Rc1 a5 13.Nh4 ab4 14.ab4 Be415.Ne4+=; 11.Rc1 a5 12.b5 Qb6 13.d4 Rac8 14.de5 de515.g4=) 11...Qc7 12.d4 a5 13.Rfd1 b6 14.Nh4 ab415.ab4+=; C2) 10...Bh5 11.d3 (11.e4 a5 12.d4 Bg6 13.Qd3 ab4 14.ab4 Ra115.Ra1=; 11.Qc2 Nb6 12.d3 Bf3 13.Bf3 d5 14.Rfd1 Qc715.Qe2=; 11.Rc1 e4 12.Ne1 Be2 13.Qe2 a5 14.b5 d515.cd5=; 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.f3 ef315.Qf3=) 11...Nb6 12.g4 Bg6 13.Nh4 Nfd7 14.Ng6 fg615.Qb3=.

9.a3 h6 10.Qc2 Bf3 11.Bf3 a5 12.h3 ab4 13.ab4 Qc7 14.Qb3 Rfb8 15.Rfd1 Ra1 16.Ra1 d5 17.cd5 cd5 18.Nd5 Nd5 19.Bd5 (19.Qd5?! Bb4 20.Ra7 Qb6 21.Qd7 Qa7 22.Be5 Ra8+/–) 19...Rf8 20.Ra7 Qd6 21.Rb7 Bf6 22.b5 Nc5 23.Ba3 (23.Bf7?! Kh8 24.Ba3 Qd2 25.Bc5 Qc1 26.Kh2 Qc5+–) 23...Nb7 (23...Rd8 24.Bf7 Kh8+–) 24.Bd6 (24.Bb7?! Qb6 25.Bf8 Qb7+–) 24...Nd6 25.b6 Rb8 26.Qb4 Nc8 (26...Be7 27.Qc5 Kf8+–) 27.b7 Ne7 28.Qd6 (28.Qd6 Rb7 29.Bb7+–) 1–0. pcmvr (2870) – salaschess (2190), net–chess.com, 2011.

9.d3 Qc7 10.h3 Bh5 11.g4 Bg6 Black prepares e4 12.Nh4 d5 Black prepares e4 (12...Rad8 13.a3=) 13.a3 (13.g5 Ne8 14.Ng6 hg6 15.cd5 Bb4+=) 13...e4 (better is 13...d4!? 14.Ng6 fg6=) 14.cd5 (14.Ng6 hg6 15.cd5 Nd5 16.Ne4+/– (16.de4?! Ne3 17.fe3 Qg3 18.Kh1 Qh3 19.Kg1 Qg3 20.Kh1 Qh3 21.Kg1 Qg3 22.Kh1 Qh3=)) 14...cd5 (14...Ng4!? 15.Bg4 Bh4 16.de4 Ne5+/–) 15.g5 ed3 (15...Qe5 16.gf6 Bd6 17.f4 ef3 18.Rf3 Qh2 19.Kf1 Nf6 20.Ng6 fg6 21.Ke1+–) 16.Ng6 de2?? (better is 16...fg6 17.Qd3 Ne5+–) 17.Ne7 Kh8 18.Qe2 Ne4 (18...Ng8 19.Ned5 Qd8 20.f4+–) 19.Ncd5 Qd6 (19...Qd8 20.Qg4 Nd2+–) 20.Bg7! Kg7 21.Nf5 Kg6 (21...Kh8 22.Nd6 Nd6 23.Rad1+–) 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 a5 13.b5+= Re8 14.Rfc1 Nf8 15.bc6 bc6 16.cd5 cd5 17.Rab1 Ng6 18.Nb5 Bd6 (18...Rc8 19.Bc3+=) 19.Nb3 Qd7 20.Bc3 Reb8 21.a4 Bb4 (21...h6 22.Ba5 Rb7 23.Qc2+/–) 22.Bb4 ab4 23.Nc5 Qb5?? (better is 23...Qf5+/–) 24.ab5+– 1–0. b4_player – firefox5, internet, 2014.

10.Qe2 c6 11.Nc3 (11.f3 ef3 12.Qf3 Qb6=) 11...d5 12.a3 Bd6 13.c5 (13.f3 Qc7 14.fe4 Bh2 15.Kh1 de4 16.Nde4 Rad8=) 13...Bb8 (13...Bc7 14.f3=) 14.f3 Qc7 Do you see the mate threat? 15.g3 White fights for the Initiative 15...ef3 16.Qf3 a5 17.e4 de4 18.Nde4 ab4 19.ab4 Ra1 20.Ra1 Re8 (20...Qd8 21.Nf6 Nf6 22.Rd1+=) 21.Nd6 Re7 (21...Re6 22.b5+=) 22.b5 (22.d5 Ne5 23.Qf5 Qd8+/–) 22...cb5+= 23.Nb7 (23.Ba3 Qc6 24.d5 Qa6+–) 23...b4 (23...Nb6!? 24.Nd6 b4+=) 24.Nb5+/– Qc8 25.N7d6 Bd6 (25...Qd8 26.Qb3+/–) 26.Nd6 Qc7 27.Bc1 h6? (27...Re1 28.Kf2 Re6 29.Ra8 Nf8 30.Bf4+–) 28.Nb5 (28.Bf4 Qd8+–) 28...Qd8 29.Ra8 Nb8 30.Bf4 Nfd7 (30...Re8 31.Rb8 Qa5 32.Re8 Ne8 33.Qe2+–) 31.c6 Re1 (31...Re8 32.c7 (32.cd7?! Qd7 33.Nd6 Rf8+–) 32...Qf6 33.Qe3 Re3 34.c8Q (34.cb8R?! Nb8 35.Rb8 Kh7 36.Be3 b3=; 34.Rb8?! Kh7 35.Rh8 Kg6+–) 34...Kh7 35.Be3+– (35.Bb8?? Re1 36.Kg2 Qf1)) 32.Kg2 Qe7 (32...Rb1 33.cd7 Rb2 34.Kh3 Qd7 35.g4+–) 33.Kf2 (better is 33.cd7 Qd7 34.Rb8 Re8 35.Re8 Qe8+–) 33...Kh7 (33...Rb1 34.cd7 Qe1 35.Kg2 Qh1 36.Kh3 Qf3 37.d8Q Kh7 38.Rb8 Qf1 39.Kh4 g5 40.Bg5 hg5 41.Qg5 Qe2 42.Qg8 Kh6 43.Rb6 Qe6+–) 34.c7 b3 (34...Re6 35.c8Q Rc6 36.Qb7+– (36.Bb8?! Rc8 37.Bf4 Rc2 38.Kf1 Rh2+–; 36.Rb8 Rc8 37.Rc8 Qe6+–)) 35.c8Q b2 36.Qc2 (36.Bb8 b1Q 37.Na3 Rf1 38.Kg2 Rg1 39.Kh3 Qe6 40.Qg4 Qf1 41.Kh4 g5 42.Qg5 Qeh3) 36...g6 37.Qb2 (37.Bb8?! b1Q 38.Qb1 Rb1+=) 37...Nb6 38.Rb8 Nc4 39.Qc2 Qe6 40.Qh5 Re2 41.Qhe2 Qe2 (41...Qf6 42.Qe8 Qd4 43.Nd4 Ne3 44.Qf7) 42.Ke2 Na5 (42...Kg7 43.Qc4 h5 44.Nd6 g5 45.Qf7 Kh6 46.Nf5) 43.Be5 1–0. MrkT – Imnotkasparov, internet, 2005.

10.Qe2 c6 11.Nc3 d5 12.a3 Bd6 13.f3+=.

10.Qe2 c6 11.Nc3 d5 12.a3 h6 13.f3 ef3 14.Qf3 Nb6 15.c5 Nbd7 16.Rae1. Janek – Quincy, internet, 2016.

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 (38.d5!? c5 39.Kh2+/–) 38...Qe7 39.Nf5! gf5 40.Rg3 f6 (40...Kh8 41.Qf3 Qg5 42.Rg5 Bg5 43.Qh5 Kg7 44.Qg5 Kh7 45.ef5+–) 41.Ne6 (41.Ne6 Kf7 42.Rg7 Ke8 43.Qf5+–) 1–0. marekt – 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,Francisco Jose (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 (12...a6 13.d4 ed3 14.Bd3+=) 13.Rac1 (13.b5 Na5 14.Qa4 b6+=) 13...Rac8 (13...Bd8 14.f3 ef3 15.Bf3 Qc4 16.Qa4+/–) 14.b5+/– Na5 15.Qa4 (15.d3 ed3 16.Bd3 Nc4+=) 15...b6 16.f3 ef3 17.Rf3 c6 18.Bd3 g6 (18...cb5 19.Nb5 a6 20.Nd4+/–) 19.Ne2 (19.bc6 Nc6 20.Nd5 Ne5 21.Be5 de5 22.Nf6 Bf6+/–) 19...Ng4 (19...cb5 20.Qb5 Rc5 21.Qa4+/–) 20.bc6 Nc6 21.Nf4 Qd7 22.Bc2 Bg5 23.Nd5 Qe6 24.Bb3 Nce5 25.Be5 Qe5 26.Rg3 (26.Qa7?? Qh2 27.Kf1 Qh1 28.Ke2 Qg2 29.Kd3 Qf3–+) 26...Nf6 27.Nf6 Bf6 28.Rf1 Re7 29.Rgf3 Bg5 (29...Bg7 30.c5 dc5 31.Bf7 Kh8 32.Qg4+=) 30.h4 (30.c5 dc5 31.h4 Bh6 32.Rf7 Kh8 33.Re7 Qe7+–) 30...Bh6+= 31.Qb4 (31.h5 f5+=) 31...Rc5= 32.Rh3 (32.R1f2 Qa1 33.Kh2 Re4+=) 32...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 (better is 13...Qe5!? 14.Qb3 Nc6+=) 14.Bf3+– (14.Rf6 Qe5 15.Rf4 Nc6–/+) 14...Qe5 15.Bb7 Qa1 (15...a5 16.Qg4 Kh8 17.Ba8 Qa1 18.a3+–) 16.Qg4+/– Kh8 17.Qb4 (17.Ba8?! Be7+/–) 17...Nc6 18.Qa3 Qe5 19.Bc6 Rab8 20.Qa7 Rb2 21.a4 Rfb8 22.Na3 R8b4 23.Nc4?? (better is 23.Qa8 Kg7 24.Qd8+–) 23...Rc4–/+ 24.Qa6 Rh4 25.Qd3 Qh2 (25...Rh2? 26.Rf5 Qe6 27.Bd7+– (worse is 27.Kh2 Rd2 28.Qd2 Qf5+–)) 26.Kf2 Rhb4 27.a5 Ra2 28.Ke2 Qh4 29.a6 Rbb2 30.Rd1 Qh5 31.Ke1 Qh4 (31...Qg5 32.Bd5 Qh4 33.Ke2 Qg4 34.Ke1 Qg3 35.Kf1–/+) 32.Ke2 Qg4 33.Ke1 Qb4 34.Bb7 Qh4 35.Ke2 Qg4 36.Bf3 Qa4 37.Be4 (37.Bd5!? Qa6 38.Ba2 Qd3 39.Kd3 Ra2 40.Rc1+=) 37...Qa6 38.Bh7 Qa4 39.Bf5 Kg7 40.Qd5 Qb4 41.g4 Qc3 42.Ke1 (42.Bb1 c6 43.Qa2 Ra2 44.Ba2+=) 42...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? (17.Qc2 Rc7 18.Qb3 Qe6+=) 17...Bg6 Black prepares the advance e4 (better is 17...Rc3 18.Rc3 Be2–+) 18.Qa2 Nb6 19.Bf3 Pawn d5, live or die! 19...e4 20.de4 de4 21.Be2 Bb8 (21...Rfd8 22.Rc2+=) 22.Nc2 Bf5 23.Nd4 Qe5 24.g3 (better is 24.Kf1!?=) 24...Bh3–/+ 25.Bf1 Qh5 26.Nce2 (26.Bh3!? Qh3 27.Ba1–+) 26...Bf1 27.Kf1 Qh1 (27...Ng4 28.Ke1 Qh2 29.Kd2 Qf2 30.Qb3–+) 28.Ng1 Ng4 29.Nf5 Rc1 30.Rc1 Nh2 31.Ke2 Nf3 32.Ne7 Kh7 33.Qa1? (33.Qb1 Ng1 34.Rg1 Qf3 35.Ke1 Nc4–+) 33...Ng1 (better is 33...Bg3 34.Bd4 Ng1 35.Kd1 Qf3 36.Kc2 Qf2 37.Kb3–+) 34.Rg1 Qf3 35.Ke1 Re8 36.Bd4 Nd7 (36...Nc4 37.Nd5 Rd8 38.Qa2 Na3 39.Qa3 Rd5 40.Qa2–+) 37.Nd5 Ne5 38.Be5 Be5 39.Qc1 Re6 40.Nf4? (40.Qd2–+) 40...Rc6 41.Qb1 Bc3 42.Kf1 Rd6 (42...Rd6 43.Ne2 Bd2–+) 0–1. Bougot,Joel (1620) – Delalande (2125), Nat.3 groupe, 1999.

8.Qc2 Nbd7 9.h3 Bh5+= 10.0–0 A) 10...Bg6 A1) 11.Qb3 a5 (11...h6 12.d4 Qc7 13.Rfe1 Rfe8 14.b5 Bf5 15.a4 a6; 11...Qb6 12.Nh4 a5 13.Ng6 hg6 14.b5 Nc5 15.Qc2 d5; 11...Ne4 12.Ne4 Be4 13.d3 Bg6 14.Bc3 h6 15.a4 Qc7) 12.a3 Qb6 13.d4 ed4 14.ed4 Rfe8 15.Rfe1 Nh5; A2) 11.d3 h6 (11...Qb6 12.a3 h6 13.Ne4 Ne4 14.de4 Rfd8 15.Rfd1 Qc7; 11...a5 12.b5 h6 13.Nh4 Bh7 14.Rab1 Nc5 15.Ba3 Qc7; 11...Bh5 12.d4 Qb6 13.a3 Bg6 14.Bd3 Bd3 15.Qd3 Rfe8) 12.Qb3 a5 13.a3 Qb6 14.Na4 Qc7 15.b5 d5; A3) 11.Bd3 Qb6 (11...Bd3 12.Qd3 a5 13.b5 cb5 14.cb5 Nc5 15.Qf5 e4; 11...Qc7 12.Nh4 Bd3 13.Qd3 g6 14.Nf3 d5 15.cd5 Bb4; 11...Nb6 12.Bg6 hg6 13.d3 Qd7 14.Rad1 Rfe8 15.Rb1 Qc7; 11...a5 12.Bg6 hg6 13.b5 d5 14.Rab1 Rc8 15.d3 Qc7) 12.Bg6 hg6 13.a3 a5 14.Na4 Qc7 15.d4 Rfc8; B) 10...Qb6 B1) 11.Ba3 d5 (11...h6 12.d4 Bg6 13.Bd3 ed4 14.ed4 Bd3 15.Qd3 Rfe8; 11...Bg6 12.d3 h6 13.Rfd1 Rfe8 14.b5 Nc5 15.Rab1 Rab8; 11...Rfe8 12.Rab1 d5 13.d3 h6 14.Qb3 e4 15.de4 de4) 12.cd5 cd5 13.g4 Bg6 14.Qb3 d4 15.ed4 e4; B2) 11.Na4 Qb4 (11...Qc7 12.e4 Bg6 13.Bd3 a5 14.a3 Nh5 15.g3 Bf6) 12.Bc3 Qa3 13.Bb2 Bg6 14.e4 Qb4 15.Bc3 Qa3; B3) 11.a3 Bg6 (11...a5 12.b5 Bg6 13.d3 h6 14.Na4 Qc7 15.Qb3 d5 ; 11...Rfe8 12.e4 Qc7 13.Rad1 a5 14.b5 d5 15.bc6 bc6; 11...Rfd8 12.d4 Bg6 13.Bd3 Bd3 14.Qd3 h6 15.Nh4 g6; 11...h6 12.d4 Qc7 13.Rfe1 a5 14.b5 Rfe8 15.Rad1 e4; 11...Rae8 12.e4 a6 13.Rfd1 Qa7 14.Qd3 Rc8 15.Qe3 Qe3) 12.d3 h6 13.Ne4 Ne4 14.de4 Rfd8 15.Rfd1 Qc7; C) 10...h6 C1) 11.a3 Bg6 (11...Re8 12.d4 Qb6 13.c5 Qc7 14.Rfd1 Bg6 15.Qb3 e4; 11...a5 12.d4 Bg6 13.Bd3 Bd3 14.Qd3 Qb6 15.b5 cb5; 11...Qc7 12.d4 Bg6 13.Bd3 Bd3 14.Qd3 a5 15.b5 Rfe8; 11...Nb6 12.d3 Qd7 13.Ne4 Ne4 14.de4 Qe6 15.Rac1 Nd7) 12.Bd3 Bd3 13.Qd3 a5 14.Ne4 Ne4 15.Qe4 Nf6; C2) 11.Rab1 Qb6 (11...d5 12.cd5 cd5 13.Qb3 e4 14.Nd4 Be2 15.Nce2 Ne5; 11...Bg6 12.d3 Qb6 13.Nh4 Bh7 14.Rfc1 Rfc8 15.Na4 Qc7; 11...Qc7 12.d4 Bg6 13.Bd3 Bd3 14.Qd3 ed4 15.ed4 d5; 11...a5 12.b5 Nc5 13.bc6 bc6 14.Na4 Bg6 15.d3 e4) 12.a3 Bg6 13.d3 Qc7 14.Ra1 a5 15.Nh4 Bh7; C3) 11.d4 ed4 (11...Re8 12.a3 Qb6 13.Rfe1 Bg6 14.Bd3 Bd3 15.Qd3 a5; 11...Qb6 12.a3 Rfe8 13.c5 Qc7 14.Rfd1 Bg6 15.Qb3 e4 ; 11...Qc7 12.Rfe1 Rfe8 13.Rad1 ed4 14.Nd4 Be2 15.Nce2 Ne5; 11...Bg6 12.Bd3 Bd3 13.Qd3 Re8 14.a3 Qb6 15.d5 a5; 11...a5 12.b5 Qc7 13.Rab1 e4 14.Nh4 Be2 15.Qe2 g6) 12.Nd4 Be2 13.Qe2 c5 14.bc5 Nc5 15.Rad1 Qd7; D) 10...a5 11.a3 (11.b5 Nc5 12.d3 h6 13.Rab1 Qc7 14.Ba3 Rfd8 15.Rfd1 Bg6) 11...ab4 (11...Qb6 12.b5 Bg6 13.d3 h6 14.Nh4 Bh7 15.Na4 Qa7; 11...Bg6 12.Bd3 Bd3 13.Qd3 h6 14.Rfe1 ab4 15.ab4 Qb6; 11...Re8 12.d4 Bg6 13.Qb3 h6 14.Rfd1 Qc7 15.c5 ed4; 11...h6 12.d4 ab4 13.ab4 Qc7 14.b5 Bg6 15.Bd3 ed4; 11...Qc7 12.d4 h6 13.Rfe1 Rfc8 14.b5 e4 15.Ne4 cb5) 12.ab4 Qb6= 13.b5 Bg6 14.d3 h6 15.Nh4 Bh7.

8.Qc2 Nbd7 9.h3 Bh5+= 10.d3 a5 11.b5= a4 (11...Qc7 12.0–0 Nc5 13.Rab1 Rab8 14.Ba3 Ne6 15.Rb3 Bg6; 11...Nc5 12.0–0 Qc7 13.Rab1 Rab8 14.Na4 cb5 15.cb5 Rbc8; 11...h6 12.0–0 Nc5 13.Rab1 Qc7 14.Ba3 Rfd8 15.Rfd1 Bg6; 11...Rb8 12.0–0 Nc5 13.Rab1 Qc7 14.Na4 cb5 15.cb5 Rbc8; 11...Bg6 12.Nh4 Nc5 13.Ng6 hg6 14.0–0 Qd7 15.Rab1 Rfb8) 12.0–0 a3 13.Bc1 Nc5 14.e4 Qd7 15.Be3 Ne6.

8.Qc2 Nbd7 9.h3 Bh5+= 10.d3 Qb6 A) 11.Na4 Qb4 (11...Qc7 12.0–0 a5 13.a3 h6 14.Rfc1 Bg6 15.Nc3 Rfe8; 11...Qd8 12.0–0 h6 13.a3 a5 14.e4 Qc7 15.Rfd1 ab4; 11...Qa6 12.0–0 h6 13.Qb3 e4 14.de4 Ne4 15.Qc2 Bg6) 12.Bc3 Qa3 13.Bb2 Qb4 14.Bc3 Qa3 15.Bb2 Qb4; B) 11.Rb1 Bg6 (11...Qb4 12.Ba1 Qa5 13.g4 e4 14.de4 Bg6 15.Rb7 Be4 ; 11...Rab8 12.Na4 Qc7 13.0–0 h6 14.a3 Ra8 15.Nh4 Be2; 11...Rfb8 12.a3 a5 13.b5 Nc5 14.0–0 Qc7 15.Na4 cb5) 12.0–0 Qb4 13.Nh4 Qa5 14.Ng6 hg6 15.Ne4 Ne4; C) 11.g4 Bg6 12.a3 a5 13.Na4 Qc7 14.Nh4 ab4 15.ab4 d5; D) 11.a3 a5 (11...h6 12.0–0 a5 13.Na4 Qc7 14.Rfc1 Bg6 15.Nc3 Nb6 ; 11...Rfe8 12.0–0 h6 13.Ne4 Bg6 14.Nh4 Bh7 15.Ng3 a5; 11...Rac8 12.0–0 h6 13.Ne4 Bg6 14.Ng3 Nh7 15.Kh2 Rfd8; 11...Rab8 12.0–0 Rbc8 13.Ne4 Ne4 14.de4 Nf6 15.Bc3 Qc7) 12.b5 Nc5 13.0–0 Qc7 14.Rab1 h6 15.Na4 cb5.

8.Qc2 Nbd7 9.h3 Bh5+= 10.d3 Nb6 11.0–0+= (11.a4 d5 (11...Bg6 12.Nh4 d5 13.a5 Nbd7 14.Ng6 hg6 15.cd5 cd5; 11...Bf3 12.Bf3 d5 13.0–0 dc4 14.Rad1 Bb4 15.dc4 Qe7; 11...a5 12.b5 Nbd7 13.0–0 Nc5 14.Rab1 Qc7 15.Ba3 Ne6; 11...Nbd7 12.0–0 a5 13.b5 Nc5 14.Rab1 Qc7 15.Ba3 Ne6) 12.Ne5 Be2 13.Qe2 Bb4 14.0–0 dc4 15.dc4 Qe7; 11.Rb1 Bg6 (11...d5 12.Ne5 Be2 13.Qe2 Bb4 14.0–0 Qe7 15.cd5 Bc3; 11...h6 12.0–0 Qd7 13.b5 c5 14.a4 Bg6 15.Ne4 Qe6; 11...Qc7 12.0–0 h6 13.Ne4 Ne4 14.de4 a5 15.c5 Nd7; 11...Qd7 12.0–0 h6 13.b5 Rab8 14.Ba3 Qe6 15.bc6 bc6; 11...Rc8 12.0–0 h6 13.Ne4 Ne4 14.de4 Qc7 15.c5 Nd7) 12.Nh4 Bh5 13.g4 Bg6 14.0–0 d5 15.c5 Nbd7; 11.b5 cb5 12.cb5 Rc8 13.0–0 Qd7 14.Rac1 h6 15.Qb3 Rfd8; 11.a3 Qd7 (11...h6 12.0–0 Qc8 13.Ne4 Ne4 14.de4 Qe6 15.Rac1 Nd7; 11...Qc8 12.0–0 h6 13.Ne4 Ne4 14.de4 Qe6 15.Rac1 Nd7; 11...Re8 12.0–0 Qd7 13.Ne4 Ne4 14.de4 Qe6 15.Rac1 h6; 11...a5 12.0–0 Qd7 13.Ne4 Ne4 14.de4 ab4 15.ab4 Qe6; 11...Qc7 12.0–0 h6 13.Ne4 Ne4 14.de4 Nd7 15.Bc3 Nf6) 12.0–0 h6 13.Ne4 Ne4 14.de4 Qe6 15.c5 dc5) 11...Qc7 (11...Qd7 12.Rad1+= a5 13.b5 Rab8 14.Rd2 h6 15.Qb3 Rfe8; 11...h6 12.Ne4 Ne4 13.de4 Nd7 14.Bc3 Bg6 15.Bd3 Bh5; 11...Nbd7 12.d4 Qb6 13.a3 Bg6 14.Bd3 Bd3 15.Qd3 Rfe8; 11...Re8 12.a4 a5 13.b5 Qc7 14.Rfb1 Rab8 15.Ba3 h6; 11...Qc8 12.a4 a5 13.b5 Qc7 14.bc6 bc6 15.Rab1 Rab8) 12.Ne4 White intends c5 12...Ne4 13.de4 Bf6 (13...Nd7!?+= 14.Bc3 Nf6 15.Rfd1 Bg6; 13...a5 14.a3 ab4 15.ab4 Bg6) 14.c5+/– dc5 (14...Nd7 15.cd6 Qd6) 15.g4 Bg6 16.g5 Be7 17.Be5 Qc8 18.bc5 Nd7 19.Bd4 Qc7 (19...Rd8 20.Rad1+/–) 20.Qc3 f6 (20...Be4 21.Bg7 Nc5 22.Bf8 Bf8 23.Nd4+/–) 21.gf6+– Bf6 (21...gf6 22.e5 b6 23.cb6 ab6+/–) 22.e5 Be7 23.Bc4 Kh8 24.e6 Nf6 25.Ne5 Be8 (25...b5 26.Ng6 hg6 27.Bb3+–) 26.Qb2 Rd8 (26...Ne4 27.Nf7 Kg8 28.Be5+–) 27.Rab1 Rb8 28.Rfd1 Nd5 (28...Qa5+–) 29.Ng4 Qc8 (29...Bf6 30.Nf6 Rf6 31.Bd5 cd5 32.Bf6 gf6 33.Qf6 Qg7 34.Qg7 Kg7+–) 30.Bg7 1–0. pierre – killer, internet, 2011.

8.Qc2 Nbd7 9.h3 Bh5+= 10.d3 Qc7 A) 11.a3 h6 (11...a5 12.0–0 d5 13.cd5 ab4 14.ab4 cd5 15.g4 Bg6; 11...Rfc8 12.0–0 a5 13.Rfd1 Qb6 14.Na4 Qc7 15.Re1 b5; 11...Rfe8 12.0–0 h6 13.Ne4 Ne4 14.de4 Bg6 15.Kh2 a5; 11...d5 12.0–0 a5 13.cd5 cd5 14.Rac1 Qd6 15.g4 ab4; 11...Rac8 12.0–0 h6 13.Ne4 Ne4 14.de4 Bg6 15.Bd3 Bh5) 12.0–0 Bg6 13.Rfe1 a5 14.Ne4 Ne4 15.de4 Nf6 ; B) 11.g4 Bg6 12.0–0 a5 13.a3 ab4 14.ab4 Qb6 15.b5 Nc5; C) 11.0–0 h6 (11...d5 12.g4 e4 13.de4 Bg6 14.cd5 cd5 15.Nd4 h6; 11...Rfe8 12.Ne4 a5 13.a3 Ne4 14.de4 h6 15.Rfd1 Bg6; 11...a5 12.a3 d5 13.cd5 ab4 14.Nb5 Qc8 15.d6 cb5; 11...Qb6 12.a3 h6 13.Ne4 Ne4 14.de4 Bg6 15.c5 dc5; 11...Rfc8 12.d4 Bg6 13.Qb3 h6 14.Rfe1 a5 15.b5 Ne4) 12.d4 Bg6 13.Bd3 Bd3 14.Qd3 ed4 15.ed4 d5.

8.Qc2 Nbd7 9.h3 Bh5+= 10.d3 h6 A) 11.a3 Qb6 (11...a5 12.0–0 ab4 13.ab4 Qb6 14.b5 Nc5 15.d4 ed4; 11...Qc7 12.0–0 Bg6 13.Ne4 Ne4 14.de4 Nf6 15.Bd3 Bh5; 11...Bg6 12.0–0 a5 13.Ne4 Ne4 14.de4 Nf6 15.Bd3 Bh5; 11...Rc8 12.0–0 d5 13.Qb3 dc4 14.dc4 e4 15.Nd4 Be2; 11...Re8 12.0–0 Qc7 13.Nh4 Be2 14.Qe2 g6 15.Nf3 a5) 12.0–0 a5 13.b5 Nc5 14.d4 ed4 15.Nd4 Be2; B) 11.0–0 a5 (11...Qb6 12.b5 Rfe8 13.bc6 bc6 14.Rab1 Rab8 15.Nh4 Be2; 11...Qc7 12.d4 Bg6 13.Bd3 ed4 14.ed4 Bd3 15.Qd3 d5; 11...Re8 12.Ne4 Ne4 13.de4 a5 14.a3 Bg6 15.Bc3 Qc7; 11...Bg6 12.Nh4 Bh7 13.a3 Qb6 14.Nf3 a5 15.Na4 Qc7; 11...Rc8 12.d4 ed4 13.Nd4 Be2 14.Qe2 c5 15.bc5 Nc5) 12.b5 Nc5 13.Rab1 Qc7 14.Ba3 Rfd8 15.Rfd1 Bg6.

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 Black plans a4 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 White prepares the advance c5 (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 (31.Bc5 Qd8+=) 31...Rc7= 32.Rc7 Qc7 33.Rb5 (33.Bc5 Qf4=) 33...Re8+= 34.Bb4 Qc1 35.Nd1 Qc4 Attacking the isolated pawn on d4 36.Qc4 dc4 37.d5 (better is 37.Rd5!?+=) 37...Ne4–+ 38.Kf1 (38.Ra5!?–+) 38...c3 39.Nc3 Nc3 40.Ra5 Na2 41.Bc5 (41.Ra4 Nb4 42.Rb4 Re5 43.Rb8 Kh7–+) 41...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 (11.Qb3 d5=) 11...a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Nbd7 15.0–0 Nc5 (15...c5 16.Nf3=) 16.Rb1 d5 (16...cb5 17.Ncb5 (worse is 17.Ne6 fe6 18.Nb5 Qd8=) 17...Nfe4 18.Nf3+=) 17.Na4 (17.bc6 bc6 18.cd5 cd5+=) 17...Na4= 18.Qa4 dc4 (18...c5 19.Ne6 fe6 20.Rd1=) 19.Bc4 (19.bc6 c3 20.Ne6 fe6–/+) 19...Bc4 20.Qc4 cb5 21.Qb5 (21.Nb5 Qe6 22.Qe6 fe6 23.Bf6 Bf6+/–) 21...Qb5 22.Nb5 b6 (22...Rd8 23.Ra1=) 23.Bd4 Bc5 (23...Nd7 24.Ra1+=) 24.Bc5 (24.Bf6 gf6 25.Kf1 Ra8+=) 24...bc5+= 25.Rc1 (25.Nd6 Rd8=) 25...Rc8 26.f3 (26.Nd6 Rc6 27.Rb1 g6=) 26...Kf8 27.Kf2 Ke7 28.Nd4 Kd7 29.Nb3 c4 (better is 29...Kd6!?=) 30.Nd2+/– c3 31.Nb1 c2 32.Na3 Nd5 (32...Rc3 33.Nb5 (33.Nc2?! Nd5=) 33...Rc5 34.Nd4+/–) 33.Rc2 (33.Nc2?! Rc3 34.e4 Ne3 35.Ne3 Rc1+=) 33...Rc2 34.Nc2 f5 (34...h5 35.g3+/–) 35.Ke2 (35.g3 Nc3+/–) 35...g5 36.Kd3 h5 37.Kd4 (37.g3 g4 38.hg4 hg4 39.fg4 fg4+/–) 37...Ke6 (37...Kd6 38.g3+/–) 38.g3 Nf6 (38...Ne7 39.Nb4+/–) 39.e4+– fe4 40.fe4 h4 (better is 40...g4 41.hg4 Ng4+/–) 41.g4?? (better is 41.gh4!? gh4 42.Ne1+–) 41...Nd7?? (better is 41...Ng4 42.Nb4 Nf2–+) 42.Ne3 (42.Ke3 Ne5+/–) 42...Ne5 43.Nd1 Nf3 44.Ke3 Ne5 (44...Ng1 45.Nf2+/–) 45.Nf2 Kf6 46.Kd4 Ke6 47.Nd3 Nf3 48.Ke3 Ng1 49.Nf2 Ke5 50.Nd3 (50.Kd2 Nf3 51.Ke2=) 50...Ke6= 51.Nf2 Ke5 52.Kd3 Kf4 53.Kd4 (53.e5 Ke5 54.Ke3 Ke6=) 53...Kf3 54.e5?? (54.Nd3 Nh3 55.e5–/+) 54...Kf2–+ 55.e6 1–0. Fredek (2090) – Guest482366, Freundschaftspartie, 5m + 0s, 2005.

8.h3 Be6 9.d4 ed4 (9...e4 10.Nd2+=) 10.Nd4 Bd7 (10...Nbd7 11.0–0=) 11.a3 Re8 12.0–0 d5 13.cd5 cd5 14.Bf3 Bc6 (14...Be6!?+=) 15.b5 (15.b5 Bd7 16.Nd5+–) 1–0. MT – guest370, ICC, 2004.

8.h3 Bf5 9.0–0 Nbd7 10.d4 e4 11.Nd2 d5 12.f3 (12.c5!?=) 12...Bb4–/+ 13.fe4 Be4 (13...Bc3 14.Bc3 Ne4 15.Bb4–/+) 14.Nce4 de4 15.Rf4 (15.a3 Ba5+=) 15...Bd6 16.Qf1? (better is 16.Rf5–/+) 16...Bf4–+ 17.Qf4 Re8 18.Rf1 (18.Qg5 Qe7–+) 18...Nf8 (18...Qa5!? 19.Bc1–+) 19.d5 (19.Nb3 Rc8–+) 19...Ng6 (better is 19...cd5 20.Bf6 gf6–+) 20.Bf6? (better is 20.Qf5–+) 20...Nf4 (20...gf6?! 21.Qf6 Qf6 22.Rf6–+) 21.Bd8 Ne2 (21...Rad8 22.Rf4 (worse is 22.ef4 cd5 23.cd5 Rd5–/+) 22...a6 23.Re4 Re4 24.Ne4 cd5 25.cd5 Rd5 26.Bc4+=) 22.Kf2 Rad8 23.Ke2 cd5 24.cd5 Rd5 25.Rf4 (25.g4 Rc5 26.Rb1 Rc2–+) 25...Ra5 26.Re4 (26.Ne4 Ra2 27.Kf3 Rd8–+) 26...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 (10...Ne5 11.0–0+=) 11.Nb3 (11.Nc6!? bc6 12.d3+=) 11...Ne5+= 12.0–0 Nd3 (12...Qd7 13.Nd5+=) 13.Rab1 Bf8 (13...c6!?=) 14.f3+= Nb2 15.Rb2 ef3 16.Rf3 (16.Qf3 c6+=) 16...c6 17.Qf2 Qe7 18.d4 (18.Nd4 Ng4 19.Qf1 Ne5+=) 18...d5 19.cd5 cd5 (19...Nd5 20.Nd5 cd5 21.Rf5=) 20.Re2 (better is 20.Rf6!? Qf6 21.Qf6 gf6 22.Nd5+/–) 20...Ne4 21.Ne4 (21.Nd5? Qd7 22.Qf1 Qd5–+) 21...de4 22.Rf4 f6 (22...Qe6 23.Nc5 Bc5 24.bc5=) 23.Nd2 Qd7 (23...Qc7 24.Ne4 (24.Re4?! Qc1 25.Re1 Qa3=) 24...Qc1 25.Re1 Qa3 26.Rg4+/–) 24.Ne4+/– Bd6 25.Nd6 Qd6 26.Qg3 (26.Rf5 Qa6 27.Ra5 Qd3+/–) 26...Kh8 (26...Rac8 27.Rg4 Qd7 28.Qh3+=) 27.Rg4 Qg3 28.Rg3 (worse is 28.hg3 Rac8+=) 28...Re7 29.e4 Rae8 30.Rge3 f5 (30...Rd8 31.d5+–) 31.e5 g6 (31...Rd8 32.Rd3+–) 32.Rd2 (better is 32.d5+–) 32...Re5?? (32...Kg7+–) 33.de5 (33.Re5!? Rb8+–) 33...Re7 34.Rd8 Kg7 35.e6 Kf6 36.Rd7 Re6 (36...a6 37.Re7 Ke7 38.Rh3+–) 37.Re6 Ke6 38.Rb7 a6 39.Ra7 Kd6 40.Ra6 Kc7 41.b5 Kb7 42.a4 h6 (42...Kc7+–) 43.Rg6 h5 44.a5 White intends b6 44...Ka7 45.Rg7 Kb8 46.a6 Kc8 (46...h4 47.b6 Kc8 48.a7 h3 49.a8Q) 47.b6 (47.a7 f4 48.a8Q) 47...h4 (47...Kd8 48.a7 f4 49.a8Q) 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 9.0–0 Nbd7 10.d4 Re8 11.h3 Bf3 (11...Bh5 12.g4 Bg6 13.Nh4+=) 12.Bf3+= (worse is 12.gf3 c5=) 12...Qc8 13.a4 Bf8 14.Qc2 c5 (14...ed4 15.ed4 c6 16.Rfe1+/–) 15.Ne4 (15.de5 Ne5 16.Bd5 a6+/–) 15...cd4+= 16.ed4 Ne4 17.Be4 Nf6 18.Bf3 White prepares c5 (18.Bf5 Qc7+=) 18...e4 19.Be2 d5 20.c5 Qe6 21.Bc1 Rac8 22.Qb3 g6 23.Qg3 Bg7 24.Rd1 ½–½. Kuehnemund,Lutz (2040) – Bailliere,Arne, 2rd Berlin Germany, Lichtenberger Somme, 2013.

8.b5 Nb8 9.d4 Nbd7 10.0–0 Nb6 (10...a6 11.Qc2=) 11.a4 (11.de5!? de5 12.Ne5 Be2 13.Ne2+/–) 11...Bf3= 12.gf3 Nbd7 13.Kh1 Re8 (13...ed4 14.Qd4 Nc5 15.Rad1=) 14.Rg1 Nf8 (14...a6 15.Ne4=) 15.Bd3 (15.Ne4 Ng6+=) 15...Ng6 (15...ed4!? 16.Nd5 Nd5 17.cd5 Bf6+=) 16.d5 Nd7 17.Qc2 Nc5 (17...a6 18.Ne4=) 18.Bf5 Bh4 19.Rg2 (19.a5 a6+=) 19...Qf6 20.Rag1 Nb3?? (better is 20...a6=) 21.Bg6+– (21.Qb3?! Qf5 22.Qd1 a6=) 21...fg6 22.Qb3 Qf3 23.Qd1 Rf8 24.Qf3 Rf3 25.Ne4 (25.Rf1!? Raf8 26.Kg1 Kf7+–) 25...Raf8 26.Re1 (26.c5 Bf2 27.Nf2 Rf2+–) 26...Bf2 27.Nf2 Rf2 28.Rf2 (28.Kg1!? R2f6 29.c5+–) 28...Rf2+/– 29.Bc3 (29.Rb1 Rc2+/–) 29...b6 (29...Rc2 30.Ba5 Rc4 31.Rb1+=) 30.a5 Ra2 (30...Rc2!? 31.Bb4 Rc4+/–) 31.ab6 ab6 32.e4 (32.Ra1 Re2 33.Ra8 Kf7+–) 32...Ra4 33.Bd2 Rc4 34.Rc1 (34.Bg5 Rb4+=) 34...Rc1 (better is 34...Re4 35.Rc7 Rd4+=) 35.Bc1+/– Kf7 36.Kg2 Kf6 37.Kf3 g5 38.h3 h5 (38...h6 39.Be3+/–) 39.Be3 Kg6 40.Kg3 Kf6 41.h4 g4? (better is 41...gh4!? 42.Kh4 Kg6+/–) 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 a5 9.a3 (9.b5 A) 9...a4 10.Na4 (10.a3 e4 11.Ng5 Be2 12.Qe2 Nc5 13.f3 ef3+=; 10.d4 a3 11.Bc1 c5 12.h3 Bh5 13.Nb1 cd4=; 10.Bc1 c6 11.d4 e4 12.Nd2 Be2 13.Qe2 d5=) 10...e4 11.Nd4 Be2 12.Ne2 Ne5 13.Qc2 Re8+=; B) 9...Nb6 10.Qc2 (10.c5 dc5 11.Ne5 Be2 12.Qe2 Qd6 13.f4 a4=; 10.d3 a4 11.a3 Re8 12.Rc1 Ra5 13.Re1 Bf5=; 10.d4 Bf3 11.gf3 ed4 12.Qd4 a4 13.a3 Qd7=) 10...Qc8 11.d4 Bf3 12.Bf3 ed4 13.Ne4 Ne4+=; C) 9...Re8 10.d4 (10.h3 Bf5 11.d4 c6 12.g4 Bg6 13.Nh4 Nf8=; 10.d3 Nb6 11.c5 Nbd5 12.Nd5 Nd5 13.Qa4 Bf5=; 10.Qc2 Nc5 11.d4 ed4 12.Nd4 a4 13.Bg4 Ng4=) 10...c5 11.de5 de5 12.Qd3 a4 13.a3 Qb6=) 9...ab4 (9...Nb6 10.d3 (10.Qc2 Bf3 11.Bf3 Nc4 12.Bb7 Rb8 13.Bd5 Na3+=; 10.d4 Bf3 11.gf3 ab4 12.ab4 Ra1 13.Ba1 ed4=; 10.c5 Bf3 11.cb6 Be2 12.bc7 Bd1 13.cd8Q Rfd8+=) 10...ab4 11.ab4 Ra1 12.Qa1 c6 13.Nd2 Be2=; 9...c6 10.h3 (10.b5 d5 11.bc6 bc6 12.d4 Qb8 13.Rb1 e4=; 10.Qc2 d5 11.c5 Qc7 12.h3 Bf3 13.Bf3 ab4=; 10.d3 ab4 11.ab4 Ra1 12.Qa1 d5 13.cd5 cd5=) 10...Bf5 11.b5 cb5 12.Nb5 Rc8 13.d4 ed4+=) 10.ab4 Ra1 11.Qa1 c6 (11...e4 12.Nd4 Be2 13.Nde2 Nb6+=) 12.h3 Bh5 (12...Bf5 13.d3 Qb6=) 13.d3 Qa8 (13...Qc7 14.g4 Bg6 15.Nh4=) 14.Nd2 (14.g4 Bg6+=) 14...Be2 15.Ne2 Nb6 (15...b5 16.cb5 cb5 17.Rc1=) 16.Nc3 (16.f4 Re8+=) 16...Qa1 17.Ra1 Ra8 18.Nb3 (18.Ra8 Na8 19.Nf3 Nb6=) 18...Bd8 ½–½. Curado,Manuel Joao Ferro – Ulyanovskky,Vladimir, 12th FIDE PDX BRR, 2006.

8.0–0 Rb8 9.d4 Bf3 (9...c6 10.Qc2 (10.Qd3= Re8 11.a3 Qb6 12.h3 Bh5 13.Rfd1 c5 14.de5=; 10.a3 e4 11.Nd2 Be2 12.Qe2 d5 13.cd5 cd5 14.f3+=) 10...Bf3 11.Bf3 ed4 12.ed4 Nb6 13.c5 Nc4 14.Bc1+=; 9...Re8 10.h3 (10.a3 c6 11.Qd3 Qb6 12.h3 Bh5 13.Rfd1 c5 14.de5=) 10...Bf3 11.Bf3 ed4 12.ed4 d5 13.c5 c6 14.b5=; 9...ed4 10.Qd4 (10.Nd4 Ne5 11.Bg4 Nfg4 12.Qb3 Nd3 13.Nd5 Nb2 14.Qb2+=) 10...a5 11.a3 Bf3 12.Bf3 Ne5 13.Be4 Ne4 14.Ne4+=; 9...a5 10.a3 (10.ba5 c6 11.h3 Bh5 12.e4 Qa5 13.Rb1 Rfe8 14.Re1=) 10...Re8 11.Qc2 ed4 12.Nd4 Be2 13.Qe2 c6 14.Rfd1+=; 9...Rc8 10.h3 (10.Qc2 ed4 11.Nd4 c5 12.bc5 Be2 13.Qe2 Rc5 14.Nb3+=; 10.Nd2 Be2 11.Ne2 c6 12.Qb3 Qc7 13.a3 b5 14.Rac1=; 10.a3 Re8 11.Qd3 ed4 12.Qd4 c5 13.Qf4 Ne5 14.Rfd1=; 10.Rc1 c6 11.a3 Re8 12.Qd3 ed4 13.Qd4 Qb6 14.Qf4=) 10...Bh5 11.a3 c5 12.bc5 ed4 13.cd6 dc3 14.Bc3+=) 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 (14...Nfd7 15.a3+/–) 15.b5 (15.Rfe1 Re8 16.Nb5 a6 17.Bf6 gf6 18.bc5 Qc5+/–) 15...Qf5 16.Rfe1 Bd8 (16...Rfe8 17.Ne4+/–) 17.Ne4 Nbd7 (better is 17...Re8!?+/–) 18.Nd6+– Qg6 19.Nb7 Bc7 (19...Qf5 20.Qd3 Qd3 21.Rd3+–) 20.Nd6 (better is 20.Re7!? Bf4 21.Rdd7 Nd7 22.Rd7 Rfe8+–) 20...Rb6 21.Ne4 Ne4? (better is 21...a6+–) 22.Be4 (22.Re4?! Nf6 23.Re7 Bb8+–; 22.Rd7?! Re6 23.Qd1 Rd6 24.Rd6 Nd6+–) 22...Qh6 23.g3 (better is 23.Rd7 Qh2 24.Kf1 Qh1 25.Ke2+–) 23...Nf6 24.Bf3 Qh3 (24...Re6 25.Qd3+–) 25.Qc3 (25.Qa3 Re6+–) 25...a6 (25...Re6 26.Bd5 Ree8 27.Bg2+–) 26.a4 ab5 (26...Re6 27.a5+–) 27.cb5 Qf5 28.Rd5 Qg6 29.Rc5 Bd8 (29...Bd6 30.Rc6 Rc6 31.Qc6+– (31.bc6?! Bc7+–)) 30.Rc6 (30.Qc2!? Nd7 31.Qg6 Rg6+–) 30...Rc6 31.Qc6 (31.bc6?! Bc7+–) 31...Ba5 32.Rd1 Qf5 33.Rc1 (33.Bf6 gf6 34.Be4 Qg4+–) 33...h6 (33...Bd8 34.Ra1 Be7 35.a5+–) 34.b6 (better is 34.Bf6 gf6 35.Rc4 Qb1 36.Kg2 Qb2+–) 34...Bb6 35.Qb6 Qf3 36.Bf6 Qf6 (36...gf6 37.Qc6 Qf5 38.a5+–) 37.Qf6 gf6 38.a5 Ra8 39.Ra1 Kf8 40.a6 Ke7 41.a7 Ke6 (41...f5 42.Kg2 f4 43.g4+–) 42.f4 Kf5 43.Kg2 h5 (43...Ke6 44.Kh3 Kf5 45.Kh4+–) 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 – Zipf, tt Verb'Liga, 1982.

8.0–0 c5 9.a3 d5 10.Nd5 Nd5 11.cd5 e4 12.Ne1=.

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.c5 A) 10...Qc7 A1) 11.h3 Bf5 (11...Bf3 12.Bf3 a5 13.d4 ab4 14.ab4 Ra1 15.Qa1 e4=; 11...Bh5 12.d4 Bf3 13.Bf3 b6 14.Be2 ed4 15.ed4 Rfb8=; 11...Be6 12.Qc2 b6 13.cb6 ab6 14.Ng5 Qd6 15.f4 ef4=) 12.d4 e4 13.Nh4 Be6 14.f4 Ne8 15.f5 Bh4+=; A2) 11.d4 e4 12.Nd2 Be2 13.Qe2 b6 14.f3 ef3 15.Qf3 Qb7= ; B) 10...e4 11.Nd4 Be2 12.Nce2 Ne5 13.Nf4 Qc7 14.Nf5 Nc4 15.Bd4 Qd7+=; C) 10...Re8 C1) 11.Qc2 Qc7 12.Rfc1 e4 13.Nd4 Be2 14.Nce2 Ne5 15.Nf4 g5= ; C2) 11.d4 e4 12.Nd2 Be2 13.Qe2 b6 14.f3 bc5 15.bc5 Rb8= ; C3) 11.d3 b6 12.d4 e4 13.Ne5 Be2 14.Ne2 Qc7 15.cb6 ab6= ; C4) 11.Re1 e4 (11...b6 12.d4 e4 13.Ne5 Be2 14.Re2 Qc7 15.Rd2 bc5=; 11...Qc7 12.Qc2 e4 13.Nd4 Be2 14.Nce2 Ne5 15.Nf4 Nc4=) 12.Nd4 Be2 13.Nce2 Ne5 14.Nf4 g5 15.Nf5 Nc4+=; C5) 11.Kh1 e4 (11...b6 12.d4 e4 13.Nd2 Be2 14.Qe2 Qb8 15.Rab1 a5=; 11...a5 12.d4 e4 13.Nd2 Be2 14.Qe2 Qc7 15.f3 ef3=; 11...Rb8 12.h3 Bf3 13.Bf3 b6 14.cb6 Nb6 15.d3 c5=) 12.Nd4 Be2 13.Nce2 Ne5 14.Nf4 b6 15.Nb3 Nc4= ; C6) 11.h3 Bf3 12.Bf3 b6 13.d4 Qc7 14.Rb1 ed4 15.ed4 b5= ; D) 10...Rb8 11.d4 e4 12.Nd2 Be2 13.Qe2 b6 14.Rab1 a5 15.f3 ef3= ; E) 10...Qe8 11.d4 (11.Ng5 Be2 12.Qe2 b6 13.d4 h6 14.Nf3 e4 15.Nd2 Qb8=) 11...e4 12.Nd2 Be2 13.Qe2 Qb8 14.f3 ef3 15.Qf3 b6+=; F) 10...b6 11.d4 e4 12.Nd2 Be2 13.Qe2 a5 14.f3 ef3 15.Qf3 Qb8=.

8.0–0 c6 9.a3 d5 10.d3 A) 10...Qb6 A1) 11.Qc2 Rfe8 (11...dc4 12.dc4 c5 13.bc5 Bc5 14.Nd5 Nd5 15.cd5 Rfc8=; 11...Rad8 12.h3 Be6 13.c5 Qc7 14.Ng5 Bf5 15.f4 ef4=; 11...Rfd8 12.h3 Bf3 13.Bf3 Rac8 14.Rfc1 dc4 15.dc4 c5+=; 11...Rae8 12.Na4 Qc7 13.cd5 Nd5 14.Nc5 Bc5 15.bc5 f5=) 12.Na4 Qc7 13.cd5 Nd5 14.Nc5 Bc5 15.bc5 b6=; A2) 11.h3 Be6 (11...Bf3 12.Bf3 dc4 13.dc4 Rfd8 14.Qc2 Qc7 15.Rfd1 a5+=) 12.d4 e4 13.Ng5 Bf5 14.f3 ef3 15.Nf3 Rae8=; A3) 11.Ng5 Be2 (11...Bf5 12.cd5 Nd5 13.Nf3 Nc3 14.Bc3 Bf6 15.Nd2 Rfd8=) 12.Qe2 Rfd8 13.f4 dc4 14.dc4 ef4 15.Rf4 Qc7=; A4) 11.Nd2 Be2 (11...Be6 12.cd5 Nd5 13.Nf3 f6 14.d4 Nc3 15.Bc3 e4=; 11...Bf5 12.Na4 Qd8 13.f4 ef4 14.Rf4 Be6 15.c5 Re8=) 12.Qe2 a5 13.b5 Rfe8 14.Rab1 d4 15.bc6 bc6= ; A5) 11.c5 Qc7 12.d4 ed4 13.Qd4 Rfe8 14.Rfc1 a5 15.h3 Bf5= ; B) 10...dc4 11.dc4 c5 (11...a5 12.b5 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac8 15.Rac1 Bh5=) 12.Nd5 cb4 13.ab4 e4 14.Nd4 Nd5 15.cd5 Be2=; C) 10...Re8 C1) 11.h3 Bf5 12.cd5 cd5 13.Qb3 Rc8 14.Rac1 Be6 15.d4 a6= ; C2) 11.cd5 cd5 12.Qb3 Rc8 13.Rac1 Nb6 14.Na4 Bd6 15.h3 Na4= ; C3) 11.Rc1 dc4 (11...a5 12.cd5 ab4 13.dc6 bc6 14.ab4 Bb4 15.Qc2 Qe7=) 12.dc4 a5 13.b5 Qc7 14.Qc2 Rad8 15.Rfd1 Bd6=; C4) 11.Qb3 dc4 12.dc4 Qb6 13.Rfd1 a5 14.Na4 Qc7 15.c5 ab4= ; D) 10...a5 11.b5 Rc8 (11...Bd6 12.h3 Be6 13.Ng5 Qe7 14.Ne6 Qe6 15.Bf3 Rfd8=; 11...Re8 12.h3 Bf5 13.d4 e4 14.Ne5 cb5 15.Nb5 Rc8=; 11...dc4 12.dc4 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac8 15.Rac1 cb5=) 12.h3 Bf5 13.Rc1 dc4 14.dc4 Qc7 15.Bd3 Bd3+=.

8.0–0 d5 9.Nd5 Nd5 10.cd5 e4 (10...Bb4 11.Ne5 Be2 12.Qe2 Ne5 13.Be5 f6 14.Bf4 Qd5+=) 11.Nd4 Be2 12.Qe2 Bb4 (12...Nf6 13.Nf5 Bb4 14.f3 Qd5+/–) 13.d3 ed3 14.Qd3+= Nf6+=.

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 Re8 9.h3 Bh5 10.g4 Bg6 11.Nh4 Be4? (better is 11...d5=) 12.d3 (12.Ne4?! Ne4 13.Nf5 a5=) 12...Bg6 (12...Bc6 13.g5 Nb6 14.gf6 Bf6 15.Ng2+–) 13.g5 (13.Ng6?! hg6 14.Bf3 c6+=) 1–0. pcmvr – yetzaline (2345), net–chess.com, 2012.

8.0–0 h6 9.d4 e4 10.Nd2 Be2 11.Qe2 c6 12.d5 cd5 13.cd5 Qb6 14.a3 Rfe8 (14...a5!? 15.Nce4 ab4 16.ab4 Ra1 17.Ba1 Qb4+/–) 15.Nce4+– Ne4 16.Ne4 Ne5 17.Rac1 a6 18.f4 Ng6 19.f5 Ne5 20.f6 Bd8? (20...Bf6 21.Rf6 gf6 22.Nf6 Kg7 23.Ne8 Re8 24.Qg4 Kh7+–) 21.fg7 Ng6 (21...Bh4+–) 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 (9...e4!? 10.Ng5 Be2 11.Qe2 d5 12.cd5 cd5=) 10.d4+= e4 11.Nd2 Be2 12.Qe2 d5 13.c5 (13.f3 ef3 14.Qf3 dc4 15.Nc4 Nb6+=) 13...Nh7 14.b5 f5 15.bc6 bc6 16.Na2 Rb8 17.Bc3 Bf6 18.Rab1 Qc7 19.Qa6 (19.Nb4 Rb7=) 19...Be7 (19...Bg5 20.Ba5 Qc8 21.Qa7=) 20.Rb8 Rb8 21.Rb1 Rb1 22.Nb1 g5 (22...Nb8 23.Qe2=) 23.Nb4 f4?? ( 23...Nb8 24.Qf1 g4=) 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 (11...Be6 12.Qb3=) 12.gf3 Qd7 (12...Ng6 13.0–0=) 13.0–0 Qh3 (13...Qe6 14.Nb5 Rfc8 15.Qc2=) 14.Qe1 a5 (14...Rae8 15.Qg3 Qd7 16.f4+=) 15.Qg3 Qg3 (15...Qd7 16.f4 Ng6 17.b5+=) 16.hg3 Ned7 (16...Rfe8 17.d4 Ng6 18.ba5 Ra5 19.e4+/–) 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 (26...ab4 27.ab4 Kf8 28.Kf2+/–) 27.d6 cd6 28.cb6 (better is 28.cd6!? ab4 29.ab4+/–) 28...ab4= 29.a4 Ra4?? (better is 29...d5 30.Bb5 b3=) 30.b7+– Ne8?? (better is 30...Rf8 31.Rd6 b3+–) 31.Ba6!! Ra6 32.Rc8 (32.Rc8 Rb6 33.Rd8+–) 1–0. mrkt – Nia, chesshere.com, 2006.

8.Qc2 Re8 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.d3 d5 9.cd5 Bb4 10.Qb3 a5 11.0–0 Re8 12.Ne4=.

8.d4 a5 9.a3 (9.b5 a4=) 9...ab4+= 10.ab4 Ra1 11.Qa1 c5 (11...ed4!? 12.ed4 Nb6+=) 12.bc5= ed4 (12...Bf3 13.Bf3 dc5 14.dc5 (worse is 14.Bb7 ed4 15.ed4 cd4+=) 14...Nc5 15.0–0=) 13.Nd4 (13.cd6 Bd6 14.ed4 Re8+=) 13...Be2 (13...dc5 14.Nf3=) 14.cd6 (14.Nde2 dc5 15.0–0 Bd6=) 14...Bd6 (14...Bc4 15.Nf5 Bd6 16.Nd6+=) 15.Nce2 (15.Nde2 Ne5=) 15...Ne4 (15...Qc7 16.Nf5=) 16.0–0 (16.Nc3 Bb4+=) 16...Qh4 (16...Qc7!? 17.h3 Nb6=) 17.Nf3+/– Qh6 18.Rd1 Ng5?? (better is 18...Rc8+/–) 19.Ng5+– Bh2 20.Kf1 Bd6 (20...Nb6 21.c5 Nc4 22.Nf3+–) 21.Ne4 (better is 21.Bg7 Qg7 22.Qg7 (22.Rd6?? Qa1 23.Nc1 Qc1 24.Ke2 Qc4 25.Ke1 Qb4 26.Rd2 Ne5–+) 22...Kg7 23.Rd6+–) 21...Qh1 22.Ng1 Bh2 23.Ke2 (23.Rd7?! Qg1 24.Ke2 Qg2+–) 23...Ne5 (23...Qg2 24.Nf3 Nb6+–) 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 (worse is 12...de5 13.Ng5 Rf8 14.Bg4 Ng4 15.Ne6 fe6 16.Qe6 Rf7 17.Qg4+/–) 13.Ne5 de5 14.Bc4 Bf8 15.f3 Be6 16.Rad1 b6 17.Be6 Re6 18.Qc4 bc5 19.bc5 Black creates threats along the open b–file 19...Qa5 Black terminates the opponent with strong threats 20.Na4 Nd5 (20...Qb5 21.Rc1+=) 21.Rd3 Rb8 22.a3 Ree8 23.e4 Nf4 24.Rd7 Qb5 25.Qf7 (25.Qc2!? Bc5! 26.Nc5 Qb2 27.Qb2 Rb2 28.g3 Nh3 29.Kh1+=) 25...Kh8–+ 26.Bc1 (26.Be5 Ne2 27.Kf2 Re5–+) 26...Ne2 (26...Qa4!? 27.Kh1–+) 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 9.0–0 e4 10.Nd2 Be2 11.Qe2 d5 12.a3 Bd6 13.f3 Qc7 14.g3=.

8.d4 c6 9.a3 e4 10.Nd2 Be2 11.Qe2 d5 12.0–0 Bd6 13.f3 Qc7 14.fe4=.

8.d4 c6 9.b5 cb5 (9...e4 10.Nd2 Be2 11.Qe2 cb5 12.Nde4 bc4 13.Nf6 Nf6 14.Qc4=; 9...a6 10.0–0 (10.bc6 bc6 11.Qc2 Rb8 12.0–0 e4 13.Ng5 Be2 14.Qe2+=; 10.de5 de5 11.bc6 bc6 12.0–0 Qc7 13.Qc2 Rab8 14.Rab1=; 10.Qd3 ab5 11.cb5 Bf3 12.gf3 Re8 13.Rg1 Qa5 14.a3+=; 10.h3 Bf5 11.0–0 ab5 12.cb5 Qc7 13.bc6 bc6 14.Nh4=) 10...ab5 11.cb5 e4 12.Nd2 Be2 13.Qe2 d5 14.f3=) 10.cb5 (10.Nb5 Bf3 11.Bf3 e4 12.Be2 d5 13.c5 b6 14.c6+=) 10...Re8 (10...e4 11.Nd2 Be2 12.Qe2 Qa5 13.f3 Rac8 14.Rc1=) 11.Qb3 (11.Qd3 ed4 12.Qd4 Ne5 13.Qd1 Qa5 14.0–0=) 11...Qa5 (11...e4 12.Ng5 d5 13.Nd5 Be2 14.Nf6=) 12.Rd1 (12.Ng5 Rf8 13.Bg4 Ng4 14.Nf3=) 12...Ne4 (12...Rac8 13.0–0+= Be6 14.d5+=) 13.Rd3 (13.Bc4 Rf8 14.Bd5 Bf3 15.gf3 Nc3 16.Bc3 Qc7+=) 13...Be6 (13...ed4 14.Rd4=) 14.Qc2 (14.Qa3!? Qa3 15.Ba3=) 14...Bc4 15.Qa4 (15.de5 Rac8 16.Rd4 Be2 17.Re4 Bf3 18.gf3 de5 19.Qd2–+) 15...Qa4–+ 16.Na4 Bd3 (16...Bb5 17.Ra3 Be2 18.Ke2–+) 17.Bd3 Nef6 18.0–0?? (better is 18.Nc3–/+) 18...e4–+ 0–1. Lang – Kadur, corr ThG'28, 1970.

8.d4 c6 9.Qd3 A) 9...Qb6 10.b5 (10.a3 c5 11.0–0 ed4 12.ed4 Rfe8 13.Na4 Qc6 14.Qb3=) 10...a6 11.0–0 ab5 12.cb5 cb5 13.h3 Be6 14.Qb5=; B) 9...a5 10.b5 a4 11.0–0 cb5 12.cb5 a3 13.Bc1 Qb6 14.Bd2=; C) 9...ed4 10.Qd4 c5 11.bc5 dc5 12.Qf4 Qb6 13.Rb1 Bd6 14.Qg5=.

8.d4 c6 9.h3 Bh5 10.a3 (10.0–0 e4 11.Nd2 Be2 12.Qe2 d5 13.a3 Bd6 14.cd5=; 10.d5 Qb6 11.a3 a5 12.b5 Nc5 13.0–0 cb5 14.cb5=) 10...e4 11.Nd2 Be2 12.Qe2 d5 13.0–0 Bd6 14.cd5=.

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 (15...Ne6 16.Qd3=) 16.g3 (16.Rfe1 Qd7+=) 16...Bf8 (16...b5 17.Rfe1=) 17.Rfe1+= Re3 18.Re3 Qd7 19.Qb3 Re8 20.a4 Re3 21.fe3 Ne7 (21...Be7 22.e4 de4 23.Ne4+=) 22.e4+= de4 23.Ne4 Ned5 24.Nf6 gf6 (24...Nf6 25.b5+=) 25.Bd5 cd5 26.Qc2 Bh6 27.b5 Qe6 (27...Qg4 28.c6 bc6 29.bc6+/–) 28.Kg2 Bf8 29.Bc1 b6 (29...Kg7!?+/–) 30.c6+– Bd6 31.Kf3 h5 32.Bf4 (32.c7 Qg4 33.Kf2 Qc8+–) 32...Bf4? (better is 32...Qg4 33.Ke3 Bf4 34.gf4 Qh3 35.Kd2 Qh2 36.Kc3 Qf4=) 33.Kf4+– (worse is 33.gf4 Qh3 34.Ke2 Qh2 35.Kd3 Qg3 36.Kd2 Qf4 37.Kd3 Qe4 38.Kc3 Qg4+=) 33...Qg4 34.Ke3 Kf8 35.Qe2?? (better is 35.c7 Qc8 36.a5+–) 35...Qe4+/– 36.Kf2 Qd4 37.Kg2 Qc3 (37...h4+/–) 38.Qf3 (better is 38.Qh5!? Qc2 39.Kf1+/–) 38...Qe5 39.c7 (39.Qa3!? Ke8 40.Kf2+=) 39...Qc7= 40.Qf6 (worse is 40.Qh5 Qc2 41.Kh3 d4–/+) 40...Qc2 41.Kh3 Qc8 42.Kg2 Qc2 43.Kh3 ½–½. Trokenheim,Marek – Ahlstroem,Ronny, corr SSKK 1–422, 1988.

8.d4 ed4 9.Nd4 Be2 10.Nde2 (10.Qe2!? a5 11.b5=) 10...Ne5+= 11.Qd4 (11.Qb3 Nd3 12.Kf1 Qd7+=) 11...Nc6 12.Qd2 Nb4 13.a3 (13.0–0 Nc6+=) 13...Na6 (13...Nc6 14.Nd5–/+) 14.0–0 Nc5 15.Ng3? (better is 15.Rab1–/+) 15...Nb3–+ 16.Qc2 Na1 17.Ra1 c6 18.Rd1 Re8 19.Nf5 Bf8 20.Ne2 (20.Qd3 Re6–+) 20...d5 (20...Ne4!? 21.f3 Nc5 22.e4–+) 21.cd5 cd5 22.Qd2 (22.Nf4 Rc8 23.Qb3 Qd7–/+) 22...Qd7 (22...Qb6 23.Nf4–+) 23.Nfd4 (23.Qd3 Ne4 24.Qd5 Qd5 25.Rd5 Rad8 26.Rd8 Rd8–+) 23...Ne4 24.Qd3 Qa4 (24...Rac8 25.Nf3–+) 25.f3 (25.Nf4 Rad8–+) 25...Nc5 26.Qc3 (26.Qd2–+) 26...Qd1 27.Kf2 Nd3 28.Kg3 Re3 29.Nf5 Re2 30.Nh6 Kh8 31.Nf7 Kg8 32.Nh6 gh6 33.Qh8 Kf7 (33...Kf7 34.Qh7 Ke8 35.Qg6 Kd7 36.Qf5 Kc6–+) 0–1. jaddwarrior (2080) – Dekcol (1955), ChessWorld.net, 2016.

8.d4 e4 9.Nd2 Be2 10.Qe2 d5 11.a3 c6 12.0–0 Bd6 13.f3 Qc7 14.g3=.

8.h3 Be6 9.0–0 Nb6 10.d3 a5 11.b5 a4 12.a3=.

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? (18.cb6!? ab6 19.a4+=) 18...Rac8 (18...a5!? 19.Kd2–+) 19.h3 Rc7 20.g4 g6 21.g5 Nh5 22.Ne1 Qf5 23.h4 f6 24.Rg1 Qe6 ½–½. Popkirov,Stojan – Detje,Sascha, Schleswig Holstein–ch U13, 1998.

8.0–0 c6

9.a3 Qc7 10.d4 Rad8 (10...a5 11.Qd3=) 11.h3 (11.Qd3 ed4 12.Qd4 b6=) 11...Bh5 (11...Bf5 12.g4 ed4 13.Nd4=) 12.Re1 (12.Rc1 a5=) 12...Rfe8 (12...e4 13.Nd2 Be2 14.Qe2=) 13.d5 cd5 (13...Rc8 14.dc6 bc6 15.g4=) 14.cd5 (14.Nd5 Nd5 15.cd5 Nf6=) 14...a6 (14...a5 15.e4+=) 15.Rc1 Qb8 16.g4 Bg6 17.Nh4 Nb6 (17...Nf8 18.Ng6 Ng6 19.Bd3+=) 18.g5 Nfd7 19.Ng6 hg6 20.h4 (20.Ne4 Rc8+/–) 20...Rc8 21.Qb3 Rc7 22.Ne4 Rec8 23.a4 (23.Rc7 Rc7 24.f4 ef4 25.ef4 Qc8+/–) 23...Rc1+/– 24.Rc1 Rc1 25.Bc1 Qc7 26.Bb2 (26.Bd2 Nc8+/–) 26...f5 (26...Na8 27.Bg4+/–) 27.Ng3 Nf8 (27...Qd8 28.a5 Na8 29.f4+/–) 28.Be5! Qc1 (28...de5 29.d6 Double attack (29.d6 Passed pawn)) 29.Bf1+– Na4 30.Bg7 (30.Qa4?! de5 31.b5 ab5 32.Qb5 Qc7+=) 30...Nc3?? (better is 30...Kg7 31.Qa4 Qc8+–) 31.Bc3 1–0. Janek – bitsky, internet, 2017.

9.Qb3 Qc7 10.h3 Bh5 11.d4 e4 12.Nd2 Be2 13.Ne2 d5 14.Rac1 Qd6 15.a3 h5 16.Nc3 g5? (better is 16...a5=) 17.cd5+– cd5 18.Nb5 Qe6 19.Nc7 Qf5 20.Na8 Ra8 21.f3 Qg6 (21...ef3 22.Nf3 Ne4 23.Rc7+–) 22.fe4 Ne4 23.Ne4 Qe4 24.Rf3 Bd6 25.Qc2 Qe7 26.Qf5 Nb6 27.Rcf1 Rf8 28.Bc1 Kg7 29.R3f2 (better is 29.e4 f6 30.ed5+–) 29...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? (49.b5 f5 50.Kb4 f4–/+) 49...Bc7 (49...f5 50.Ka6 f4 51.ef4 Bf4 52.Bb2–+) 50.Ba3? (better is 50.Ka6 Bb6 51.b5–/+) 50...f5–+ 51.Bc1 (51.Ka6 f4 52.ef4–+) 51...f4 52.Ka6 f3 (52...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.

9.d4 Qc7 10.Qc2 Rad8 11.Rfd1 a6 12.Rac1 h6 13.a3 Rc8 14.de5 Ne5 (14...de5 15.c5+=) 15.Ne5 Be2 (15...de5!? 16.Bg4 Ng4+=) 16.Ne2+/– (16.Qe2?! de5 17.c5 Rfd8+=) 16...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 (25...Re7 26.Re7 Rf7 27.Re8 Kh7 28.Qh5+–) 26.Qh5 (26.Qc4 Be7+–) 26...Ref8 27.Rcd1 Qb8 (27...Bf6 28.Rf7 Rf7 29.Bf6 Rf6 30.Qe8 Kh7+–) 28.Qg6 Be7 29.Bg7! Rg7 (29...Rg7 30.Qe6) 30.Qe6 (30.Qe6 Kh8 31.Re7 Re7 32.Qe7+–) 1–0. pereira – ismaelarango, chesshere.com, 2006.

9.a3 d5

10.c5 A) 10...Qc7 A1) 11.h3 Bf5 (11...Bf3 12.Bf3 a5 13.d4 ab4 14.ab4 Ra1 15.Qa1 e4=; 11...Bh5 12.d4 Bf3 13.Bf3 b6 14.Be2 ed4 15.ed4 Rfb8=; 11...Be6 12.Qc2 b6 13.cb6 ab6 14.Ng5 Qd6 15.f4 ef4=) 12.d4 e4 13.Nh4 Be6 14.f4 Ne8 15.f5 Bh4+=; A2) 11.d4 e4 12.Nd2 Be2 13.Qe2 b6 14.f3 ef3 15.Qf3 Qb7= ; B) 10...e4 11.Nd4 Be2 12.Nce2 Ne5 13.Nf4 Qc7 14.Nf5 Nc4 15.Bd4 Qd7+=; C) 10...Re8 C1) 11.Qc2 Qc7 12.Rfc1 e4 13.Nd4 Be2 14.Nce2 Ne5 15.Nf4 g5= ; C2) 11.d4 e4 12.Nd2 Be2 13.Qe2 b6 14.f3 bc5 15.bc5 Rb8= ; C3) 11.d3 b6 12.d4 e4 13.Ne5 Be2 14.Ne2 Qc7 15.cb6 ab6= ; C4) 11.Re1 e4 (11...b6 12.d4 e4 13.Ne5 Be2 14.Re2 Qc7 15.Rd2 bc5=; 11...Qc7 12.Qc2 e4 13.Nd4 Be2 14.Nce2 Ne5 15.Nf4 Nc4=) 12.Nd4 Be2 13.Nce2 Ne5 14.Nf4 g5 15.Nf5 Nc4+=; C5) 11.Kh1 e4 (11...b6 12.d4 e4 13.Nd2 Be2 14.Qe2 Qb8 15.Rab1 a5=; 11...a5 12.d4 e4 13.Nd2 Be2 14.Qe2 Qc7 15.f3 ef3=; 11...Rb8 12.h3 Bf3 13.Bf3 b6 14.cb6 Nb6 15.d3 c5=) 12.Nd4 Be2 13.Nce2 Ne5 14.Nf4 b6 15.Nb3 Nc4= ; C6) 11.h3 Bf3 12.Bf3 b6 13.d4 Qc7 14.Rb1 ed4 15.ed4 b5= ; D) 10...Rb8 11.d4 e4 12.Nd2 Be2 13.Qe2 b6 14.Rab1 a5 15.f3 ef3= ; E) 10...Qe8 11.d4 (11.Ng5 Be2 12.Qe2 b6 13.d4 h6 14.Nf3 e4 15.Nd2 Qb8=) 11...e4 12.Nd2 Be2 13.Qe2 Qb8 14.f3 ef3 15.Qf3 b6+=; F) 10...b6 11.d4 e4 12.Nd2 Be2 13.Qe2 a5 14.f3 ef3 15.Qf3 Qb8=.

10.d3 A) 10...Qb6 A1) 11.Qc2 Rfe8 (11...dc4 12.dc4 c5 13.bc5 Bc5 14.Nd5 Nd5 15.cd5 Rfc8=; 11...Rad8 12.h3 Be6 13.c5 Qc7 14.Ng5 Bf5 15.f4 ef4=; 11...Rfd8 12.h3 Bf3 13.Bf3 Rac8 14.Rfc1 dc4 15.dc4 c5+=; 11...Rae8 12.Na4 Qc7 13.cd5 Nd5 14.Nc5 Bc5 15.bc5 f5=) 12.Na4 Qc7 13.cd5 Nd5 14.Nc5 Bc5 15.bc5 b6=; A2) 11.h3 Be6 (11...Bf3 12.Bf3 dc4 13.dc4 Rfd8 14.Qc2 Qc7 15.Rfd1 a5+=) 12.d4 e4 13.Ng5 Bf5 14.f3 ef3 15.Nf3 Rae8=; A3) 11.Ng5 Be2 (11...Bf5 12.cd5 Nd5 13.Nf3 Nc3 14.Bc3 Bf6 15.Nd2 Rfd8=) 12.Qe2 Rfd8 13.f4 dc4 14.dc4 ef4 15.Rf4 Qc7=; A4) 11.Nd2 Be2 (11...Be6 12.cd5 Nd5 13.Nf3 f6 14.d4 Nc3 15.Bc3 e4=; 11...Bf5 12.Na4 Qd8 13.f4 ef4 14.Rf4 Be6 15.c5 Re8=) 12.Qe2 a5 13.b5 Rfe8 14.Rab1 d4 15.bc6 bc6= ; A5) 11.c5 Qc7 12.d4 ed4 13.Qd4 Rfe8 14.Rfc1 a5 15.h3 Bf5= ; B) 10...dc4 11.dc4 c5 (11...a5 12.b5 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac8 15.Rac1 Bh5=) 12.Nd5 cb4 13.ab4 e4 14.Nd4 Nd5 15.cd5 Be2=; C) 10...Re8 C1) 11.h3 Bf5 12.cd5 cd5 13.Qb3 Rc8 14.Rac1 Be6 15.d4 a6= ; C2) 11.cd5 cd5 12.Qb3 Rc8 13.Rac1 Nb6 14.Na4 Bd6 15.h3 Na4= ; C3) 11.Rc1 dc4 (11...a5 12.cd5 ab4 13.dc6 bc6 14.ab4 Bb4 15.Qc2 Qe7=) 12.dc4 a5 13.b5 Qc7 14.Qc2 Rad8 15.Rfd1 Bd6=; C4) 11.Qb3 dc4 12.dc4 Qb6 13.Rfd1 a5 14.Na4 Qc7 15.c5 ab4= ; D) 10...a5 11.b5 Rc8 (11...Bd6 12.h3 Be6 13.Ng5 Qe7 14.Ne6 Qe6 15.Bf3 Rfd8=; 11...Re8 12.h3 Bf5 13.d4 e4 14.Ne5 cb5 15.Nb5 Rc8=; 11...dc4 12.dc4 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac8 15.Rac1 cb5=) 12.h3 Bf5 13.Rc1 dc4 14.dc4 Qc7 15.Bd3 Bd3+=.

10.d4 Bf3 (10...e4 11.Nd2 Be2 12.Qe2 Bd6 13.f3 Qc7 14.g3 ef3 15.Qf3 dc4=) 11.Bf3 dc4 12.Be2 ed4 13.Qd4 Nb6 14.Qe5 Bd6 15.Qf5 Qc7+=.

10.cd5 cd5

11.Qb3 e4 12.Nd4 Be2 13.Nde2 (13.Nce2 Ne5 14.Nf5 Nc4 15.Rfc1 Qd7=) 13...Nb6 14.Rad1 (14.Rfd1 Bd6 15.Nb5 Ng4=) 14...Bd6 15.d3 Qe7 (15...Qb8=) 16.Nb5 Bh2 (better is 16...Bb8!?+=) 17.Kh2+– Ng4 18.Kh3 Qd7 19.Kg3 Nh6 20.Bg7 Qg4 21.Kh2 Qh4 22.Kg1 Ng4 (worse is 22...Kg7 23.Qc3 Kg8 24.Qe5+=) 23.Be5 Ne5 24.Nf4 Nf3?? (better is 24...Ng4 25.Nh3 Rfd8=) 25.gf3+– ef3 26.Qc3 f5 27.Nd4 Rac8 28.Nf3 Qg4 (28...Rc3? 29.Nh4 Ra3 30.Ra1+–) 29.Kh2 Rc3 30.Rg1 Nd7 (30...Rf6 31.Rg4 fg4 32.Ne5–+) 31.a4 Rc2 32.Rdf1 Rb2 33.b5 h5! 34.Nd4 (34.Nh5 Kf7) 34...Nc5 35.Rg4 fg4 36.Kg3 Kh7 (36...Na4!? 37.Ra1 Nc5 38.Ra7 Rf4 39.Kf4 Rf2 40.Kg3 Rd2 41.Ra8 Kf7–+) 37.Rc1 Rf4 38.ef4 (38.ef4 Nd3; 38.Kf4 Nd3) 38...Nd3 39.Rc7 Kg6 40.Rb7 Nf2 41.f5 Kf6 42.Ra7 Rd2 43.Ra6 Ke5 44.Nc6 Kf5 45.Ne7 Ke5 46.Nc6 (46.Kh4 Rd1 47.b6 Rh1 48.Kg5 Ne4 49.Kh6 Rb1 50.Ng6 Kd6 51.Kh5 g3–/+) 46...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.

11.Rc1 a5 12.b5 A) 12...Rc8 13.Nh4 (13.d3 Bd6 14.h3 Bf5 15.Qb3 Be6 16.d4 e4 17.Ng5=; 13.d4 e4 14.Nd2 Be2 15.Qe2 Bd6 16.f3 Re8 17.fe4=; 13.h3 Bf5 14.d4 e4 15.Nd2 Nb6 16.Qb3 Qd6 17.Na4=) 13...Be2 14.Qe2 Re8 15.Nf5 Nc5 16.Nb1 Qd7 17.Ne7=; B) 12...Bd6 13.h3 (13.Ng5 Be2 14.Qe2 Qe7 15.a4 Nc5 16.d3 d4 17.Nce4–/+) 13...Bf5 14.d4 e4 15.Nd2 Rc8 16.Qb3 Be6 17.Rc2=; C) 12...e4 13.Ne1 Be2 14.Qe2 Bd6 15.f3 Qe7 16.a4 Rfe8 17.Qf2+=.

11.Rc1 Rc8 12.Qa4 A) 12...Qb6 13.h3 (13.d4 e4 14.Ne5 Be2 15.Ne2 Nb8 16.Ng3 Rfd8 17.Nf5=; 13.d3 Rfd8 14.h3 Be6 15.Qb5 Qd6 16.d4 e4 17.Ng5=) 13...Bf5 14.d4 e4 15.Ne5 Rc7 16.g4 Be6 17.g5+=; B) 12...a6 13.h3 (13.Qb3 Nb6 14.h3 Be6 15.Nb1 d4 16.Rc8 Qc8 17.Qd1=) 13...Be6 14.d3 Re8 15.Ng5 Qb6 16.Bf3 Qd6 17.Ne6=.

11.Rc1 Rc8 12.Qb3 A) 12...Nb6 13.d3 (13.h3 Bf3 14.Bf3 Qd7 15.d4 e4 16.Be2 Nc4 17.Nd5=) 13...Re8 14.Na4 Bd6 15.h3 Na4 16.Qa4 Bf3 17.Rc8=; B) 12...e4 13.Nd4 Be2 14.Nce2 Ne5 15.Nf4 Qd7 16.d3 Bd6 17.Rfd1=.

11.Rc1 Rc8 12.d4 Re8?? (better is 12...e4 13.Nd2 (13.Ne5 Be2 14.Qe2 Bd6= 15.Nb5 Rc1 16.Rc1 Bb8 17.Ng4=) 13...Be2 14.Qe2 a5 15.b5 Bd6 16.f3 Qe7 17.fe4=) 13.de5+– (13.Ne5?! Be2 14.Qe2 Bd6+/–) 13...Ne4 14.Qd5 Nc3 15.Bc3 b6 16.Rfd1 Qc7? (16...Rc7+–) 17.Ng5! Be2 (17...Bg5 18.Bg4) 18.Qf7 Kh8 19.Ne6 (19.Ne6 Rg8 20.Nc7 Bd1 21.Bd4+–) 1–0. pcmvr (2800) – attasantotjia (2355), net–chess.com, 2007.

11.Rc1 Rc8 12.h3 Be6 (12...Bf3 13.Bf3 Nb6 14.d3 Qd7 15.Qe2 Rfe8 16.Rc2 Rc7 17.Rfc1=) 13.Ng5 (13.Qa4 a6 14.Nb1 Bd6 15.Rc8 Qc8 16.Rc1 Qb8 17.Qc2=) 13...a5 14.ba5 Qa5 15.Ne6 fe6 16.Qb3 e4 17.f3=.

11.d4 e4 12.Ne5 Be2 13.Qe2 Bd6 14.Nb5 Bb8 15.Rac1 a6+=.

11.h3 Be6 12.Ng5 a5 13.Ne6 fe6 14.b5 Rc8 15.Rc1 e4=.

11.h3 Bf3 12.Bf3 Nb6 13.d3 a5 14.b5 Rc8 15.Rc1 Qd7=.

11.h3 Bf5 12.Qb3 Be6 13.Ng5 a5 14.e4 Nb6 15.Ne6 fe6=.

8.h3 Bh5

9.0–0 a5 10.b5 Nb6 (10...a4 11.Na4 e4 12.Nd4 Be2 13.Ne2 Ne5 14.Qc2 Nd3 15.Nac3+=) 11.d3 (11.c5 dc5 12.Ne5 Be2 13.Qe2 Qd6 14.f4 c4 15.Rfd1=; 11.Rb1 Bg6 12.d3 Nfd7 13.Rc1 Re8 14.d4 Bf6 15.Re1=) 11...a4 12.a3 Qc8 13.Rc1 Rd8 14.g4 Bg6 15.Nh4+=.

9.0–0 Nb6 10.d3 A) 10...a6 11.a4 (11.Ng5 Be2 12.Qe2 a5 13.a3 d5 14.c5 Nbd7 15.f4= ; 11.a3 Re8 12.g4 Bg6 13.Nh4 Nfd7 14.Ng6 fg6 15.Bf3+= ; 11.Qd2 Re8 12.a4 a5 13.b5 Qc8 14.Rfc1 Qe6 15.e4= ; 11.Qc2 Re8 12.g4 Bg6 13.Nh4 a5 14.b5 a4 15.a3+= ; 11.Nd2 Be2 12.Qe2 a5 13.a3 Qd7 14.b5 Rfd8 15.e4+= ; 11.Rc1 Re8 12.g4 Bg6 13.Nh4 c5 14.Ng6 hg6 15.a3+=; 11.Re1 a5 12.b5 a4 13.a3 Ra7 14.g4 Bg6 15.Nh4=; 11.Qb3 a5 12.a3 Re8 13.Qc2 Qc8 14.g4 Bg6 15.Nh4=; 11.Rb1 Re8 12.g4 Bg6 13.Nh4 a5 14.b5 a4 15.a3+=) 11...a5 12.b5 Rb8 13.Nd2 Be2 14.Ne2 Re8 15.Bc3+=; B) 10...c6 11.a3 (11.Nd2 Bg6 12.f4 ef4 13.Rf4 c5 14.Ba3 Re8 15.Rb1=; 11.Rb1 Qc7 12.a4 a5 13.b5 Rab8 14.Nd2 Bg6 15.f4=; 11.Ng5 Bg6 12.a4 a5 13.b5 d5 14.Nf3 d4 15.Na2= ; 11.a4 a5 12.b5 Qc7 13.Nd2 Be2 14.Qe2 d5 15.cd5= ; 11.Rc1 Re8 12.g4 Bg6 13.Nh4 d5 14.Ng6 hg6 15.c5= ; 11.Re1 Qc7 12.a4 a5 13.b5 Rfe8 14.Rc1 Rac8 15.Qd2= ; 11.b5 Qc7 12.a4 a5 13.Nd2 Be2 14.Qe2 d5 15.cd5= ; 11.Qc2 Re8 12.g4 Bg6 13.Nh4 d5 14.Ng6 fg6 15.c5= ; 11.Qb3 a5 12.ba5 Ra5 13.Rab1 Re8 14.g4 Bg6 15.Nh4=) 11...a5 12.b5 Qc7 13.Rb1 Rad8 14.Na4 c5 15.Nb6+=; C) 10...a5 11.a3 (11.b5 a4 12.a3 Qc8 13.Rc1 Re8 14.g4 Bg6 15.Nh4+= ) 11...ab4 12.ab4 Ra1 13.Qa1 Qc8 14.Qa7 Re8 15.g4+= ; D) 10...Qd7 11.b5 (11.c5 Bf3 12.Bf3 dc5 13.bc5 Bc5 14.Bb7 Rab8 15.Ne4=; 11.Nd2 Be2 12.Qe2 a5 13.b5 d5 14.cd5 Nfd5 15.Nc4=; 11.a3 a5 12.b5 Rfe8 13.g4 Bg6 14.Nh4 Qc8 15.Bf3+=; 11.Rb1 Rfe8 12.g4 Bg6 13.Nh4 d5 14.g5 d4 15.ed4+=) 11...Rfe8 12.g4 Bg6 13.Nh4 h6 14.Ng6 fg6 15.a4+=; E) 10...Nbd7 11.d4 (11.Qc2 c6 12.d4 Bg6 13.Qb3 Bf5 14.Rad1 a5 15.b5=; 11.a3 c6 12.Qc2 a5 13.d4 Bg6 14.Qb3 Bf5 15.Rfd1=; 11.Qd2 Re8 12.a3 a5 13.Rfd1 Nb6 14.b5 Qc8 15.Rdc1=) 11...c6 12.Qc2 Bg6 13.Qb3 Bf5 14.Rad1 a5 15.b5=.

9.0–0 c6 A) 10.a3 A1) 10...Re8 11.Qc2 (11.d3 Nb6 12.g4 Bg6 13.Nh4 d5 14.c5 Nc8 15.Ng6=; 11.Rc1 a5 12.b5 e4 13.Nd4 Be2 14.Qe2 Ne5 15.f3+=; 11.e4 a5 12.d4 Bg6 13.Qd3 ab4 14.ab4 Ra1 15.Ra1=; 11.Rb1 Nb6 12.d3 a5 13.b5 Rc8 14.g4 Bg6 15.Nh4=; 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.f3 ef3 15.Qf3=; 11.g4 Bg6 12.Nh4 Nf8 13.d4 a5 14.Ng6 Ng6 15.b5=) 11...Nb6 12.d3 Qd7 13.g4 Bg6 14.Nh4 Rf8 15.g5+=; A2) 10...a5 11.d3 (11.b5 Rc8 12.Rc1 e4 13.Ne1 Be2 14.Qe2 cb5 15.cb5=) 11...Re8 12.g4 ab4 13.ab4 Ra1 14.Ba1 Ng4 15.Ne1+/– ; A3) 10...Qc7 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.cd5 cd5 15.f3+= ; A4) 10...a6 11.d4 Re8 12.de5 de5 13.c5 Qc7 14.Qc2 a5 15.Rfd1= ; A5) 10...Rb8 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.cd5 cd5 15.f3= ; A6) 10...e4 11.Nd4 Be2 12.Nde2 Re8 13.Qb3 Nb6 14.Rad1 a5 15.d3= ; A7) 10...Rc8 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.f3 ef3 15.Qf3= ; A8) 10...Nb6 11.d3 (11.d4 Bf3 12.gf3 Qc8 13.Kg2 Qe6 14.Qd3 ed4 15.Qd4+=) 11...a5 12.b5 Re8 13.g4 Bg6 14.Nh4 d5 15.Ng6=; B) 10.Rb1 B1) 10...d5 11.cd5 e4 12.Nd4 Be2 13.Qe2 cd5 14.Nf5 Nb6 15.f3= ; B2) 10...Qc7 11.d3 (11.b5 Nb6 12.d3 Rfe8 13.bc6 bc6 14.g4 Bg6 15.Nh4=; 11.a3 Nb6 12.d3 Rae8 13.b5 a6 14.ba6 ba6 15.c5=; 11.a4 Rfe8 12.d4 e4 13.Nd2 Be2 14.Qe2 d5 15.b5=; 11.Rc1 a5 12.b5 Nb6 13.d3 a4 14.a3 Bg6 15.Nh4+=) 11...d5 12.cd5 cd5 13.g4 d4 14.ed4 ed4 15.Nd4+/–; B3) 10...Qb6 11.b5 (11.a3 Rfe8 12.d4 e4 13.Nd2 Be2 14.Qe2 d5 15.f3=) 11...Rfc8 12.bc6 Qc6 13.d3 Nc5 14.g4 Bg6 15.Nh4+=; B4) 10...Re8 11.a3 (11.d3 Nb6 12.g4 Bg6 13.Nh4 Nfd7 14.Ng6 fg6 15.Qb3=; 11.b5 cb5 12.Nb5 a6 13.Nc3 Qa5 14.e4 Rac8 15.Nh4=) 11...Nb6 12.d3 a5 13.b5 Qc7 14.g4 Bg6 15.Nh4+=; B5) 10...Nb6 11.d3 Rc8 12.g4 Bg6 13.Nh4 Nfd7 14.Ng6 fg6 15.a4= ; B6) 10...e4 11.Nd4 Be2 12.Qe2 d5 13.cd5 cd5 14.a3 Ne5 15.Qb5= ; C) 10.d3 C1) 10...Qc7 11.Rb1 (11.Rc1 a5 12.b5 Rfc8 13.d4 a4 14.a3 ed4 15.ed4+=; 11.Qb3 Rfe8 12.g4 Bg6 13.Nh4 a5 14.Ng6 fg6 15.Ba3=; 11.a4 Rad8 12.b5 a5 13.Rb1 Nc5 14.d4 Ne6 15.Ba3=; 11.Qd2 Rfe8 12.a3 a5 13.b5 Nc5 14.Rae1 Bg6 15.Nh4=; 11.Qc2 d5 12.a3 a5 13.b5 dc4 14.dc4 Rfd8 15.Rfd1=; 11.a3 a5 12.b5 Rfe8 13.d4 e4 14.Nd2 Be2 15.Qe2=; 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Nb6 15.Qd1=; 11.Qe1 Rad8 12.a3 Nb6 13.g4 Bg6 14.Nh4 d5 15.c5=; 11.Re1 d5 12.cd5 Bb4 13.dc6 Qc6 14.Qb3 Qd6 15.Rec1=) 11...d5 12.cd5 cd5 13.g4 d4 14.ed4 ed4 15.Nd4+/–; C2) 10...Rc8 11.Qc2 (11.Qd2 Qc7 12.Rfd1 d5 13.a3 a5 14.c5 Ra8 15.Na4=; 11.Rc1 Qb6 12.a3 c5 13.b5 Qc7 14.Nh4 Be2 15.Qe2+=; 11.Rb1 Qc7 12.Nh4 Be2 13.Qe2 d5 14.a3 Qd6 15.f4=; 11.a3 a5 12.Qd2 d5 13.ba5 dc4 14.dc4 Qc7 15.Nh4=; 11.Qb3 Re8 12.g4 Bg6 13.Nh4 Nf8 14.Ng6 Ng6 15.Rfd1=; 11.Qe1 d5 12.a3 Re8 13.Rd1 b6 14.g4 Bg6 15.Nh4=; 11.Ne4 Ne4 12.de4 Bg6 13.Qc2 Nf6 14.Bd3 Bh5 15.Nh4=; 11.Qa4 Qb6 12.a3 Rcd8 13.Qc2 Rfe8 14.g4 Bg6 15.Nh4=) 11...b5 12.cb5 cb5 13.Qb3 Qb6 14.Rfc1 Rc7 15.g4+=; C3) 10...a6 11.a3 (11.Qc2 Re8 12.a3 a5 13.g4 Bg6 14.Nh4 Nf8 15.Bf3=; 11.Rb1 Qc7 12.g4 Bg6 13.Nh4 b5 14.Ng6 fg6 15.g5=; 11.Rc1 b6 12.g4 Bg6 13.Nh4 Rc8 14.a3 Ne8 15.Ng6+=; 11.Qb3 a5 12.a3 Qc7 13.b5 Rfe8 14.Rab1 Rad8 15.Qd1=) 11...a5 12.b5 d5 13.cd5 cd5 14.Ne5 Ne5 15.Bh5+=; C4) 10...a5 11.b5 Rc8 12.Rb1 Qc7 13.g4 Bg6 14.Nh4 Nc5 15.Ng6+= ; C5) 10...Rb8 11.Qb3 (11.a3 Nb6 12.g4 Bg6 13.Nh4 d5 14.c5 Na8 15.Qa4=; 11.Rc1 a5 12.b5 Rc8 13.a3 Qb6 14.Ne5 Ne5 15.Bh5=; 11.Qd2 d5 12.a3 b5 13.cd5 cd5 14.d4 Ne4 15.Ne4=; 11.Re1 Qc7 12.a3 Nb6 13.Na4 Nc8 14.e4 Rd8 15.Nc3=; 11.a4 d5 12.cd5 Bb4 13.dc6 bc6 14.Qc2 Qe7 15.Rfc1=; 11.Qa4 Qb6 12.Rfc1 Rbe8 13.a3 Rd8 14.Rc2 Qc7 15.d4=; 11.Qc2 Re8 12.g4 Bg6 13.Nh4 Nf8 14.Bf3 h6 15.Ng6=; 11.Rb1 Qc7 12.b5 a6 13.a4 ab5 14.ab5 Ra8 15.d4=; 11.Ne4 Ne4 12.de4 Bg6 13.Qd3 Qc7 14.a3 Rbd8 15.Nd2=) 11...Qb6 12.g4 Bg6 13.Nh4 Kh8 14.g5 Ne8 15.Ng6+=; C6) 10...Nb6 11.Rc1 (11.Nd2 Be2 12.Qe2 d5 13.a3 a5 14.c5 Nbd7 15.f4=; 11.Ng5 Bg6 12.a3 a5 13.Nf3 ab4 14.ab4 Ra1 15.Qa1=; 11.Rb1 Qc7 12.a4 a5 13.b5 Rab8 14.bc6 bc6 15.Nd2=; 11.a4 a5 12.ba5 Nbd7 13.Nd2 Be2 14.Qe2 Qa5 15.Rab1=; 11.a3 a5 12.b5 Qc7 13.Nd2 Bg6 14.f4 ef4 15.ef4=; 11.Qb3 a5 12.a3 Qc7 13.Rfd1 Nbd7 14.b5 Nc5 15.Qc2=; 11.Qc2 Qc7 12.Ne4 Ne4 13.de4 Bg6 14.Rfd1 Nd7 15.a3=; 11.Qd2 Qc7 12.a4 Nbd7 13.b5 Nc5 14.Rab1 Rfe8 15.d4=; 11.Re1 Qc7 12.a4 a5 13.b5 Rfe8 14.Rb1 Rad8 15.e4=) 11...Re8 12.g4 Bg6 13.Nh4 d5 14.Ng6 hg6 15.c5=; C7) 10...Qe8 11.Qc2 (11.Rb1 Rc8 12.g4 Bg6 13.Nh4 Qd8 14.f4 ef4 15.Rf4+=; 11.a4 a5 12.b5 Rd8 13.Rb1 Rc8 14.Qd2 Nb6 15.Ba3+=; 11.a3 a5 12.Qc2 Ra7 13.d4 Bg6 14.Bd3 ed4 15.Nd4=; 11.Qb3 a5 12.a3 Qb8 13.b5 Qc7 14.Rab1 Nc5 15.Qd1=; 11.Rc1 Nb6 12.a4 a5 13.b5 Rc8 14.Nd2 Be2 15.Ne2=; 11.Re1 Qb8 12.Nh4 Be2 13.Qe2 d5 14.a3 dc4 15.Nf5+=; 11.Qa4 Qc8 12.Qb3 a5 13.b5 Qc7 14.Na4 Rfe8 15.Rab1=; 11.b5 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Nc5 15.Qd1=) 11...Rc8 12.Rfd1 d5 13.a3 a5 14.ba5 Qd8 15.Qd2+=; C8) 10...Re8 11.g4 Ng4 12.Nd2 Ne3 13.fe3 Bg6 14.Rf3 Nf6 15.a3+/– ; C9) 10...Qb8 11.Rb1 (11.Qc2 Re8 12.g4 Bg6 13.Nh4 Nf8 14.f4 ef4 15.ef4=; 11.a4 Qc7 12.a5 d5 13.cd5 Bb4 14.dc6 bc6 15.a6=; 11.a3 Qc7 12.Nh4 Be2 13.Qe2 Rfe8 14.Nf5 d5 15.cd5=; 11.Rc1 Qc7 12.Nh4 Be2 13.Qe2 d5 14.cd5 Bb4 15.Nf5=; 11.b5 Qc7 12.d4 e4 13.Nd2 Be2 14.Qe2 d5 15.Rac1=; 11.g4 Bg6 12.Nh4 Qd8 13.a3 a5 14.b5 Nc5 15.f4=) 11...Qc7 12.b5 Rfe8 13.g4 Bg6 14.g5 e4 15.Nh4+/– ; C)) 10...Qc8 11.Qc2 (11.Rc1 Qc7 12.Nh4 Be2 13.Qe2 d5 14.cd5 Bb4 15.dc6=; 11.a3 a5 12.b5 Qc7 13.g4 Bg6 14.Nh4 Nc5 15.f4=; 11.Nd2 Be2 12.Qe2 d5 13.a3 a5 14.b5 Re8 15.cd5=; 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.b5 Re8 15.Rac1=; 11.a4 Qc7 12.a5 d5 13.cd5 Bb4 14.dc6 bc6 15.a6=; 11.g4 Bg6 12.Nh4 Qc7 13.a3 a5 14.b5 Nc5 15.f4=; 11.b5 Qc7 12.Nh4 Be2 13.Qe2 a6 14.Nf5 Rfe8 15.a4=; 11.Rb1 Qc7 12.b5 a6 13.bc6 bc6 14.Nh4 Be2 15.Qe2=; 11.Qb3 a5 12.b5 Qc7 13.Na4 Rfe8 14.Rfb1 e4 15.de4=) 11...Nb6 12.a4 a5 13.b5 Qc7 14.Rab1 Rab8 15.Rfd1=.

9.0–0 d5 A) 10.g4 Bg6 (10...d4 11.ed4 ed4 12.Nd4 Bg6 13.a3 a5 14.Na2 ab4 15.ab4=) 11.g5 Ne4 12.Nd5 c6 13.Ne7 Qe7 14.d4 Ng5 15.Ng5=; B) 10.Nd5 Nd5 11.cd5 e4 12.Nd4 Be2 13.Qe2 Bb4 14.d3 ed3 15.Qd3+=.

9.0–0 Re8 A) 10.a3 A1) 10...Nb6 11.g4 (11.d3 c6 12.g4 Bg6 13.Nh4 d5 14.c5 Nc8 15.Ng6=) 11...Bg6 12.Nh4 d5 13.g5 Nfd7 14.Ng6 hg6 15.c5+=; A2) 10...c5 11.d3 (11.d4 cb4 12.ab4 e4 13.Nd2 Be2 14.Qe2 d5 15.c5+=; 11.e4 Qb6 12.b5 Qc7 13.Nh4 Be2 14.Qe2 a6 15.Nf5+=; 11.Qc2 Qb6 12.b5 a6 13.d3 ab5 14.Nb5 Qc6 15.Rfb1=) 11...Qb6 12.g4 Bg6 13.g5 e4 14.gf6 ef3 15.Nd5+– ; A3) 10...c6 11.d3 (11.g4 Bg6 12.Nh4 Nf8 13.d4 a5 14.Ng6 Ng6 15.b5=; 11.e4 a5 12.d4 Bg6 13.Qd3 ab4 14.ab4 Ra1 15.Ra1=; 11.Qc2 Nb6 12.d3 a5 13.Ne4 Ne4 14.de4 Qc7 15.Rfd1=; 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.f3 ef3 15.Qf3=; 11.Rc1 a5 12.b5 e4 13.Nd4 Be2 14.Qe2 Ne5 15.f3+=) 11...Nb6 12.g4 Bg6 13.Nh4 d5 14.c5 Nc8 15.d4+=; B) 10.d3 B1) 10...Nb6 11.a3 (11.g4 Bg6 12.Nh4 d5 13.Ng6 hg6 14.c5 Nc8 15.d4+=) 11...a5 12.Qc2 Qd7 13.c5 Nc8 14.Rfd1 dc5 15.Ne5+=; B2) 10...c6 11.g4 Ng4 12.Nd2 Ne3 13.fe3 Bg6 14.a3 Qb6 15.Rf3+/– ; B3) 10...a6 11.g4 Ng4 12.Nd2 Ne3 13.fe3 Bg6 14.Nde4 f5 15.Ng3+/– ; B4) 10...d5 11.g4 d4 12.ed4 ed4 13.Nd4 Nf8 14.Nc2 Bg6 15.f4+/– ; B5) 10...c5 11.a3 Qb6 12.g4 Bg6 13.g5 e4 14.gf6 ef3 15.Nd5+– ; B6) 10...Rb8 11.g4 Ng4 12.Nd2 Nf2 13.Rf2 Bg6 14.Qa4 Bg5 15.Rf3+/– ; B7) 10...Rc8 11.g4 Ng4 12.Nd2 Nf2 13.Rf2 Bg6 14.Qa4 Bh4 15.Rg2+/– ; B8) 10...a5 11.b5 (11.a3 Nb6 12.b5 a4 13.g4 Bg6 14.Nh4 d5 15.g5+=) 11...Nc5 12.g4 Bg6 13.Nh4 a4 14.Ng6 fg6 15.Ba3+=; C) 10.g4 Bg6 11.Nh4 Nf8 12.f4 ef4 13.g5 N6d7 14.ef4 f5 15.Ng6+=.

9.0–0 Ne8 10.d4 A) 10...a5 11.b5 (11.a3 f5 12.de5 de5 13.Ne5 Ne5 14.Bh5 Qd1 15.Bd1+=) 11...Nef6 12.Re1 Re8 13.g4 Bg6 14.Nh4 Nf8 15.Bf3+=; B) 10...Nb6 11.c5 (11.Qd3 ed4 12.Nd4 Bg6 13.Nf5 Bf6 14.e4 c5 15.b5=; 11.Qb3 ed4 12.ed4 a5 13.ba5 Ra5 14.Rad1 Nf6 15.Rfe1+=; 11.Rb1 Bf3 12.gf3 a5 13.b5 Qc8 14.Kh2 Qe6 15.d5=) 11...Nd7 12.de5 dc5 13.b5 c6 14.bc6 bc6 15.Ne4+=; C) 10...Nef6 11.a3 a5 12.Qd3 ed4 13.Qd4 c5 14.bc5 dc5 15.Qf4+=.

9.0–0 Ne8 10.Nd5 f5 (10...Nef6 11.d3 (11.Nf6 Nf6 12.a3 a5 13.d3 c6 14.Nd2 Bg6 15.d4=; 11.Ne7 Qe7 12.d3 a5 13.b5 a4 14.a3 Rfe8 15.g4=) 11...Nd5 12.cd5 Nb6 13.Qb3 a5 14.a4 f5 15.ba5=; 10...c6 11.Ne7 Qe7 12.d3 d5 13.cd5 cd5 14.a3 Rc8 15.Qd2=; 10...Nb6 11.Nb6 (11.Ne7 Qe7 12.d3 Nf6 13.a4 a5 14.Qe1 Nbd7 15.ba5=) 11...ab6 12.d3 Nf6 13.Nd2 Bg6 14.Qc2 Re8 15.f4=) 11.d4 (11.Qc2 c6 12.Ne7 Qe7 13.d3 e4 14.Nd4 Be2 15.Ne2=; 11.a3 Bf6 12.d4 e4 13.Nd2 Be2 14.Qe2 c6 15.Nc3+=; 11.d3 Bf6 12.d4 e4 13.Nd2 Be2 14.Qe2 c6 15.Nc3=; 11.Ne7 Qe7 12.d3 e4 13.de4 fe4 14.Qd5 Bf7 15.Qg5=) 11...e4 (11...c6 12.Ne7 Qe7 13.de5 de5 14.Ne5 Be2 15.Qd7=) 12.Nd2 Be2 13.Ne7 (13.Qe2 c6 14.Ne7 Qe7 15.a4=) 13...Qe7 14.Qe2 c6 (14...Nef6 15.a4=) 15.a4 (15.Rab1=) 15...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 (24.Nd2 Na5 25.Bb4 Nc4 26.Nc4 dc4 27.Qc4 a6=) 24...Ned6 (24...Nc7 25.Nd2 Nd2 26.Rd2+=) 25.Nd2 (25.Bd6!? Nd6 26.Nd2=) 25...Nd2+= (worse is 25...Nb5 26.Nc4 dc4 27.Rb1+=) 26.Rd2 Nc4 27.Rc2 Rc8 (27...a6!? 28.b6 Rc6+=) 28.Ba7= Ra8 (28...Qd7 29.b6=) 29.Bc5 (29.b6!?+=) 29...b6+= (worse is 29...Ra5 30.Ra5 Na5 31.Ra2+/–; worse is 29...Na5 30.b6 Ra6 31.Qb5+–) 30.Bb4 Qd7 (better is 30...ba5!? 31.Bc5 Rb8+=) 31.Rc4+= dc4 32.Qc4 Qf7 (32...Rf7 33.Qc6 Qc6 34.bc6+/–) 33.d5 (33.Qf7 Rf7 34.a6 Rd7+/–) 33...h6 (33...ba5!? 34.Ra5 Rd8+=) 34.a6+/– Qd7 (34...Kh7 35.Rc1 Qh5 36.d6+/–) 35.Rc1 (35.d6 Rf7+–) 35...Kh7 36.d6 Rff8 (36...Rg6 37.Qc6 Qd8 38.Qd5+–) 37.Qc6 Qd8? (37...Qf7 38.Qb6 Rac8 39.Rc7+–) 38.Qc7 (38.d7 Rg8 39.Qe6 Qf6 40.Qf6 gf6+–) 38...Rc8?? (better is 38...Qf6 39.Rd1 Rfc8 40.Qb6 Qb2+/–) 39.Qc8 Qc8 40.Rc8 Rc8 41.d7 (41.d7 Rd8 42.a7+–) 1–0. Niono,O – Barumba,E, Dubai ol (Men), 1986.

9.b5 a6 A) 10.0–0 ab5 11.cb5 e4 12.Ne1 Be2 13.Qe2 d5 14.d3 Bd6+=; B) 10.d3 ab5 (10...Ra7 11.a4 ab5 12.ab5 Ra1 13.Qa1 Nc5 14.0–0 Qd7=) 11.cb5 c5 12.bc6 bc6 13.0–0 Qa5 14.Qc2 Rfb8+=; C) 10.ba6 Ra6 (10...ba6 11.Rb1 Rb8 12.0–0 c6 13.Nh4 Nb6 14.Bh5 Nh5=) 11.d4 c6 12.0–0 Re8 13.Qc2 Bg6 14.Qc1 Qa5+=.

9.b5 Nc5 10.d4= (10.d3 Ne6 (10...Re8 11.0–0 a6 12.d4 ed4 13.Qd4 Qd7 14.Rfd1 Bg6=; 10...a6 11.0–0 ab5 12.cb5 Ne6 13.Qc2 Qd7 14.a4 Ra5=) 11.g4 Bg6 12.h4 Ng4 13.h5 Bf5 14.Rg1 Nh6–/+) 10...e4 (better is 10...ed4!? 11.ed4 Ne6= 12.0–0 d5 13.Re1 Nf4 14.Bf1 dc4=) 11.dc5+/– ef3 12.Bf3 Bf3 13.Qf3 (worse is 13.gf3 dc5 14.Rg1 g6+=) 13...dc5 14.Rd1 (14.Qb7 Qd3+/–) 14...Qc8 (14...Qb8+/–) 15.Qg3 Bd6 (better is 15...Kh8!?+/–) 16.Rd6+– cd6 17.Nd5 Nh5 (17...Kh8 18.Nf6 Qf5 19.e4+–) 18.Qg5 (better is 18.Ne7 Kh8 19.Bg7 Ng7 20.Nc8 Rfc8 21.Qd6 a6+–) 18...Qd8 (18...Qe6 19.0–0+–) 19.Qh5 h6 20.Bf6! Qa5 (20...gf6 21.Qh6) 21.Bc3 Qa2 22.Ne7 (22.Qg4!? f6 23.Nf6 Kh8+–) 22...Kh7 23.Qf5 Kh8 24.Qg4 Qb1 25.Kd2 Qh7 26.Nf5 f6 27.Ne7 Rfe8 (27...Rf7 28.Qe6 Rff8 29.Qf5 (29.Qd6?? Rfd8 30.Qd8 Rd8 31.Nd5 Qe4–+) 29...Qf5 30.Nf5+–) 28.Qe6 (28.Ng6 Kg8 29.Qh5 f5 30.Qf5 Rf8 31.Qe6 Rf7+–) 28...Rf8 29.h4 (29.Qd6?? Rfd8 30.Qd8 Rd8 31.Nd5 Qe4–+) 29...h5 30.f4 (30.Rh3 Rae8 31.Rg3 Qb1+–) 30...d5 (30...a5 31.g4 (31.Qd6?? Rfd8 32.Qd5 Qe4–+) 31...d5 32.cd5+– (32.Nd5?! Rfe8 33.Qf5 Qf5 34.gf5 a4+–; 32.Qd5?? Rfd8 33.Nf5 Rd5 34.cd5 Qg6–+)) 31.f5 (31.Nd5?! a6 32.b6 Qg6+/–) 31...Rae8? (better is 31...Rfe8 32.cd5 Re7 33.Qe7 Qf5 34.Qb7 Rd8+–) 32.cd5 Rg8 (32...Qh6 33.Ra1 Kh7+–) 33.Qf7 (better is 33.d6 Rgf8 34.Rd1+–) 33...Re7 34.Qe7 Qf5 35.d6 (better is 35.e4!? Qf2 36.Kd1 Qg2 37.Re1+–) 35...Qd5+/– 36.Kc1 Qg2?? (better is 36...Qc4 37.Kc2 Qa2 38.Bb2 Qc4 39.Kd2 Qd5 40.Kc1 Qc4 41.Kb1 Qd3 42.Ka1 Qb5+/–) 37.Rd1+– b6 (37...Qa2 38.d7 Qc4+–) 38.d7 1–0. Kleinke – Krieg, Schwerin, 1979.

9.b5 e4 A) 10.Ng5 A1) 10...Ne5 11.0–0 (11.f3= Nd3 12.Bd3 ed3 13.0–0 d5 14.cd5 Nd5+=) 11...Nc4 12.Bh5 Nh5 13.Nh7 Kh7 14.Qh5 Kg8 15.Bc1=; A2) 10...Nc5 11.Qc2 Bg6 12.Ba3 Nd3 13.Kf1 d5 14.Be7 Qe7+=; B) 10.Nd4 Be2 11.Qe2 d5 12.cd5 Nc5 13.0–0 Nd5 14.Nf5 Bf6=.

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 (30.Kg3 Nc4 31.Kf4 g5 32.fg6 Kg6–+) 30...f6 (30...Nc4 31.Kg3 Re4 32.Rd7–+) 31.Bf4?! (31.Kg3–+) 31...Nc4 32.g3 (32.Kg3 Re4 33.Ra8 a5–+) 32...Re4 33.a4 Ne3 (33...Re2 34.Kg1 Ra2 35.Kf1–+) 34.Rd7 Nf5 35.Ra7 Re2 36.Kh3 Ra2 37.Bc7 b5! 38.a5 (38.ab5 Ra7 Pinning (38...Ra7 Deflection)) 38...b4 39.Rb7 Ra4 (39...h5 40.Bb6 c4 41.Rc7–+) 40.Bd8 (40.Rb5 Nd4 41.Rc5 b3–+) 40...Kg6 41.Rb5 Nd6 42.Rc5 Nb7 (42...b3 43.Rc3 b2 44.Rb3–+) 43.Rc8 (43.Rd5 Nd8 44.Rd8 Ra5–+) 43...Nd8 (better is 43...b3!? 44.Rc6 Rb4 45.Rc1 Nd8 46.a6–+) 44.Rd8 Ra5 45.Rb8 Ra4 46.Rb6 h5 0–1. Rush,Bradley – Shim Ng Min,Francis, SF–2011–0–00130, 2012.

7.h3 Bh5

8.0–0= b6 9.Nc3 c6 10.Qc2 d5 (10...a5 11.ba5 Ra5 12.d4=) 11.Ne5+= Be2 12.Ne2 Bb4 13.cd5 (13.a3 Bc5=) 13...Qd5 14.d4 Bd6 15.Nf4 Qe4 16.Qc3 (16.Rac1 Qc2 17.Rc2 Be5 18.de5 Ne4+=) 16...Nd5 (16...Re8 17.Rfd1=) 17.Nd5 Qd5 18.Rfc1 c5 ( 18...Be5!? 19.de5 Rd8+=) 19.dc5+/– Bc5 (19...Be5 20.Qe5 Qe5 21.Be5 bc5+/–) 20.Nd7 (20.Ng6 f6 21.Nf8 Kf8+–) 20...f6? ( 20...Bd4! 21.Qd4 Qd4 22.Bd4 Nd7+/–) 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 a6 10.d3 (10.Nc3 Re8=) 10...e4 (10...Qe8 11.Nc3=) 11.Nd4 (11.de4 Ne4 12.Nfd2 Be2 13.Qe2 Nd2 14.Nd2 Bf6 15.Bf6 Qf6=) 11...Nd4 (11...Be2 12.Qe2 Nd4 13.Bd4=) 12.Bd4 (12.Bh5 Ne6+=) 12...Be2= 13.Qe2 ed3 (13...c5 14.Bb2=) 14.Qd3+= c5 15.Bb2 (15.Bf6 Bf6 16.Ra2 Re8+=) 15...cb4 (15...d5 16.bc5 Bc5 17.Qf5+=) 16.ab4+= Qb6 17.Qc3 (17.Bd4 Qc6+/–) 17...Rac8 (17...Rfc8 18.Rc1+=) 18.Nd2 Qd8 (18...Rfe8 19.Rfd1+=) 19.Rfd1 b5 (19...Re8+=) 20.g4 (better is 20.Ra6!? bc4 21.e4+= (worse is 21.Nc4 d5–/+)) 20...bc4= 21.Ne4 (21.Ra6 d5=) 21...d5 (21...Qb6!?+=) 22.Ra6= Bb4 (better is 22...Rc7=) 23.Qd4?? (23.Nf6 Qf6 24.Qf6 gf6 25.Ra4= (25.Rd5?! c3 26.Bc1 Ra8=)) 23...c3 (better is 23...de4 24.Qd8 Rfd8 25.Rd8 Rd8–+) 24.Nf6+/– gf6 25.Qb4 cb2 26.Qb2 Kg7 (26...Rc5 27.Rf6 Qe7 28.Rf5+–) 27.g5 (27.e4 Rc5+–) 27...Rb8 (27...Rg8 28.Kf1+–) 28.Qd4 (28.Qf6 Qf6 29.gf6 Kh6 30.Rd5 Rg8 31.Kh2 Rb2+–) 28...Rg8 (28...Rb5 29.e4+–) 29.Rf6 (29.gf6?! Kh8 30.Kh2 Qc7 31.Qf4 Qf4 32.ef4 Rb2=) 29...Kf8 30.h4 (30.Qc5 Ke8 31.Qc6 Kf8 32.Rd5 Qe7+–) 30...Qe7 31.Qd5?? (31.Rh6 Rg7+–) 31...Re8?? (better is 31...Qf6! 32.Kf1 Qe7–+) 32.Qd6 (32.Rd6 Qe4 33.Qe4 Re4 34.Rd8 Re8+–) 32...Qd6 (32...Rg6 33.Qe7 Ke7 34.Rf5+–) 33.Rdd6 (33.Rfd6 Re4 34.Rd8 Kg7 35.Rg8 Kg8+–) 33...Rg6 34.Rg6 hg6 35.Rd7 Re7? (35...Re4 36.Rd4 Re5 37.e4+–) 36.Rd8 (better is 36.Re7 Ke7 37.f4+–) 36...Kg7 37.Kg2 Re4 (37...f5 38.Kg3+–) 38.Rd7 (better is 38.Rd4!? Re8+–) 38...Rh4 39.Kg3 (39.f4 Rg4 40.Kf3 Rg1+–) 39...Re4 40.Rc7 (better is 40.Rd4!? Re5 41.Kg4+–) 40...Re5+= 41.Kg4 Re4 42.Kf3 Re5 43.Kf4 Rf5 44.Kg3 (44.Kg4 Rf2 45.e4 Rf1+=) 44...Rg5 (44...Re5 45.f4 Re3 46.Kf2+=) 45.Kf3 Rf5 (45...Rb5 46.e4=) 46.Ke2 Kf6 (46...g5 47.e4 Rb5 48.Kf3=) 47.f4 Rh5 48.Kf3 (48.e4 g5=) 48...Rh3 (48...Ke6 49.e4=) 49.Ke4 (49.Kf2 Rh5=) 49...Rh5 (49...Ke6 50.Ra7=) 50.Rc6 (50.Kd4 Rh4=) 50...Kg7 (50...Ke7 51.Kd4=) 51.Rc7 (51.Rb6 Ra5=) 51...Kf6 52.Rc6 Kg7 53.Rc7 (53.Rb6 Rh3=) 53...Kf6 54.Rc6 (54.Kd4 Rh4=) 54...Kg7 55.Rc7 (55.Ra6 Rh8=) 55...Kf6 56.Rc6 (56.Kd4 Rh4=) 56...Kg7 57.Rc7 (57.Kd4 Rh4=) 57...Kf6 58.Rc6 (58.Kd4 Rh4=) 58...Kg7 0–1. GuestLWPK – GuestQQQP, freechess.org, 2016.

8.0–0 Nc6 9.a3 e4!? 10.Ne1 Be2 11.Qe2 d5=.

8.0–0 Nc6 9.a3 Ne4 10.d3+/– Ng5 11.Ng5 Be2 12.Qe2 Bg5 13.Nd2 f5 14.Nf3 Bh6 15.d4 White prepares c5 15...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 (24.Rfe1 Rf6 25.Qd7 Qd7 26.Ba1 Qh3 27.Ne4 de4 28.fe4 Rg6) 24...Qg4 25.Kh2 Qh4 (25...Rf6 26.Qa6 Bf4 27.ef4 Ra6 28.c6 Rc6 29.Nf3 Rh6 30.Nh4 Rh4) 26.Kg2 Rf6 27.f4 Rg6 28.Kf3 Qh3?? (better is 28...Qh2 29.Rg1 Rg1 (29...Qd2?! 30.Qb3–/+) 30.Rg1 Qg1–+ (30...Qd2?! 31.Qd7 de4 32.Ke4 Qb2 33.Qe7–/+)) 29.Ke2+= Rg2 30.Kd3 Rg3 (better is 30...de4!? 31.Ne4 Rb2=) 31.Rbe1+/– de4 32.Ne4 Nd5?? (better is 32...Re3 33.Re3 Qf1 34.Kc2 Nd5+/–) 33.Ng3+– Qg3 (33...Nf4 34.ef4 Qg3 35.Re3 Qg6 36.f5+–) 34.Qb3 (better is 34.Qd7 Qg6 35.e4 Nb4 36.ab4 Rf8+–) 34...Rd8 35.Kc2 Kh8 36.e4 Qg2 37.Kb1 Nf6 (37...Nf4 38.Qf7 Qd2 39.Qc7+–) 38.Rg1 Qd2 39.d5 (better is 39.f5 Re8 40.Qf3 c6+–) 39...Nd7 (39...Qf4 40.Rgf1 Qg5 41.Qf3+–) 40.Qc3 (better is 40.Qh3!? Nf8+–) 40...Qc3 41.Bc3 Bf4 (41...Rf8+–) 42.Bg7 Kg8 43.Bf6 Kf7 44.Bd8 Nf8 45.Ref1 Ng6 46.Bc7 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 (9...a5 10.ba5 e4 11.Ng5=) 10.b5 (10.bc5 dc5 11.d4 ed4 12.ed4 Nb6=) 10...h6 (10...e4 11.Ng5 Bg6 12.Qc2+=) 11.d3 (11.d4 cd4 12.ed4 e4=) 11...Re8 (11...Nb6 12.Qc2=) 12.Nd2 (12.Ne4 Ne4 13.de4 Nf6=) 12...Bg6 13.Bf3 (better is 13.f4!?=) 13...Bd3+= 14.Re1 Rb8 (14...Qc7 15.Nd5 Nd5 16.Bd5–/+) 15.e4 (15.Nd5 Nd5 16.Bd5 Nb6+=) 15...Nb6 (15...Qc7 16.Re3 Ne4 17.Nce4 (17.Nde4?! Bc4 18.Nd5 Bd5 19.Qd5 Nb6+/–; 17.Re4?! Be4 18.Nde4 Nf6+=) 17...Be4 18.Be4+–) 16.Qb3 (better is 16.Be2 Be2 17.Re2+=) 16...d5?? (better is 16...Qc7!?+=) 17.ed5 (better is 17.Nd5!? Nbd5 18.ed5+/– (18.Qd3?! Nb4 19.Qc3 Nd3+=)) 17...Bd6= 18.Nce4 Ne4 19.Be4 Be4 20.Ne4 f5 21.Nd6 (21.Ng3 Qg5+=) 21...Qd6= 22.Rac1 Re7 23.Qe3 Increases the pressure on e5 23...Rbe8 24.Ba3 Nd7 25.Rc2 (25.Qf3 Rf8+=) 25...b6 (25...a6 26.ba6 ba6 27.Rb2=) 26.Bb2+= Nf6 Black prepares e4 27.f3 (27.Rd2 Ne4 28.Rdd1 Rd8+=) 27...f4= 28.Qf2 (28.Qe2 Kh7+=) 28...e4 29.Bf6 (29.fe4 Ne4 30.Qf3=) 29...Qf6 (29...e3!? 30.Qe2 Qf6+=) 30.fe4+= Re4 31.Rcc1 (31.Rce2 Qg6+=) 31...g5 (better is 31...Re1!? 32.Re1 Re1 33.Qe1 Qd4 34.Kh2 Qc4 35.Qe6 Kf8 36.Qf5 Ke7 37.Qe5 Kd7 38.Qg7 Kd6 39.Qf6 Kd5 40.Qf7 Kd4 41.Qf4 Kc3 42.Qh6 Qa2=) 32.Re4+= Re4 33.Rd1 (33.Qf3 Re3 34.Qh5=) 33...Kf8 (33...Rc4 34.d6=) 34.Rc1 (34.Qc2!? Rd4 35.Re1+/–) 34...Qe5 (34...Kg8 35.Qf3 Re3 36.Qh5=) 35.Kf1+= Re3 36.Re1 (36.a4!?+=) ½–½. Melzig,Ernst – Fiedler,Werner (1710), Bayern–ch Seniors, 2002.

8.0–0 Nbd7 9.d3 c6 10.a3 a6 11.Nbd2 Rc8 12.Re1 Qc7 13.Rc1 Qb8 (13...a5 14.ba5 Qa5 15.Qc2=) 14.Qb3 d5 (better is 14...Rfe8!?=) 15.cd5+/– cd5 16.Rc8 (16.g4 Bg6 17.g5 Rc1 18.Rc1 Ne8 19.Qd5 Qd6 20.Qd6 Bd6+–) 16...Rc8+/– 17.Kh1 (17.g4!? Bg6 18.g5+/–) 17...b5 (17...Qd6 18.e4 Bf3 19.Bf3=) 18.Kg1 (better is 18.g4!? Bg6 19.g5+=) 18...h6 19.Kh1 e4 20.Nd4 Be2 21.Re2 ed3 (21...Bd6 22.f3=) 22.Qd3= Ne5 23.Qb3 Nc4 24.Nf5 Qc7 25.Ne7 Qe7 26.Bd4 Ne4 27.Ne4 Qe4 28.Bc5 Re8 (28...a5 29.Ra2+=) 29.Kg1 Re6 30.Kf1 Rg6 31.f3 Qh4 (31...Qe5 32.Qd3 Qa1 33.Re1 A) worse is 33...Qa3 34.Qa3 (34.Qd5 Qa2 35.Qd8 Kh7–+) 34...Na3 35.Rd1+=; B) 33...Qb2–/+) 32.e4?? (better is 32.Qd3=) 32...de4–+ 33.Re4?? (better is 33.fe4 Qf4 34.Ke1–+) 33...Qe4!! 34.fe4 Nd2 35.Kf2 Nb3 0–1. GuestBFQC – GuestZDMP, freechess.org, 2017.

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 (12.d5!?=) 12...d5+= 13.Bd7 Qd7 (worse is 13...Nd7 14.cd5 Bb4 15.dc6 Bc3 16.Bc3 bc6 17.Bb4+=) 14.cd5 cd5 15.a3 Bd6 16.Rc1 Rac8 17.Ne2 (17.Qa4 Qa4 18.Na4 Bf5+=) 17...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 (32...Rc7!?–/+) 33.Nc3= Nc4 34.Nd5 Kf7 Threatening Rd6 35.Bc1 Ke6 36.b5 Rc8 37.Nb4 Bd6 38.d5 Kd7 39.Nc6 Na3 (39...g6 40.Rc2 Na3 41.Ba3 Ba3 42.Ne5 Kd8 43.Nf7 Kd7 44.Rc6+=) 40.Ba3 (40.Na7?? Rc1 41.Rf1 Rc3–+) 40...Ba3 41.Ra2 (worse is 41.Na7 Rc3+=) 41...Bc5 42.Ra7 Kd6 43.Ne7 (43.Rg7 Kd5 44.Rh7+–) 43...Rd8? (better is 43...Rf8 44.Kf2 g6+=) 44.Nf5+– Kd5 45.Rg7 Kc4 (45...h5 46.Ra7+–) 46.Rh7 Rd2 47.Kf1 Kb5 48.Rh5 (better is 48.g4!? Kc4+–) 48...Kc4 Black is in command 49.g4 (better is 49.Rh8!?+–) 49...Kd3+/– 50.g5 (better is 50.Rh7!? Be3 51.Rd7 Kc3 52.Rd2 Kd2 53.Ne3 Ke3 54.f5+–) 50...Be3= 51.Ne3 Ke3 52.g6 Kf3 Threatening mate... how? (52...Kf4?? 53.g7 Rd8 54.Rh8 Rd1 55.Ke2+–) 53.Ke1 e3 54.Rg5 (better is 54.g7 Rh2 55.Kd1 e2 56.Kd2=) 54...Ra2 Threatening mate: Ra1 55.Rd5 Rh2 The mate threat is Rh1 (55...Kf4 56.g7 Ra8 57.Rd7 Ra1 58.Rd1+=) 56.Kd1 Kf4?? (better is 56...e2 57.Kd2 Kf2–/+ (57...Kf4? 58.h4 Rh3 59.g7+–; 57...Rh3?! 58.Re5 Kf4 59.Re2=)) 57.g7+= Rg2 58.Rd7 (better is 58.Rd4 Kf3 59.Rg4 Rg4 60.hg4+=) 58...b5? (58...Kf5 59.Rf7 Ke6 60.Rb7=) 59.h4 b4 60.Rd4 (60.h5 b3 61.h6 b2=) 60...Kf3+= 61.Rb4?? (better is 61.Rd7 b3 62.Rf7 Ke4 63.Re7 Kd3 64.Rd7 Kc4 65.Rc7 Kd4 66.Rd7 Kc5 67.Kc1+=) 61...Rg7 62.Kc2 (62.Rb3 Rg1 63.Kc2 Kf2–+) 62...e2 63.Rb3 (63.Rb1 Ke3 64.Ra1–+) 63...Kf2 64.Rh3 (64.Rb1 Rg1 65.Rg1 Kg1 66.h5–+) 64...e1Q 65.Rh2 Rg2 (65...Kg3 66.Re2 Qe2 67.Kc3 Rc7 68.Kd4 Kf4 69.h5 Qe4) 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.d3 Nc6 9.a3 h6 10.0–0 Nh7 (10...Bg6 11.Nc3=) 11.Nbd2 (11.Ne5 Be2 12.Nc6 Bd1 13.Nd8 Be2 14.Nb7 Bd3+/–) 11...f5 12.Nh2 Bf6?? (better is 12...Be2 13.Qe2 Bf6+=) 13.Bh5+– f4 14.ef4 ef4 15.Bf6 Qf6 16.Ne4 Qf5 17.Bg4 Qe5 (17...Qf7 18.Re1 Ne5 19.Bh5+–) 18.Nf3 Qe7 19.Re1 Qd8 20.Qb3 (20.b5 Ne5 21.Ne5 de5+–) 20...Kh8 21.b5 Na5 22.Qc3 c6 (22...c5 23.d4 Nf6 24.dc5 Ne4 25.Re4 dc5 26.Ne5+–) 23.Nd4 b6 24.Ne6 Qh4 (24...Qe7 25.Nd6 f3+–) 25.Qg7 1–0. GuestSVVX – GuestCJQX, freechess.org, 2017.

8.g4 Bg6+= 9.d3 e4 (9...a5 10.b5+=) 10.Nd4 (10.g5 ef3 11.Bf3 a5 12.gf6 Bf6+=) 10...c5 (10...d5 11.a3+=) 11.Nf5 (11.bc5 ed3 12.Bd3 dc5 13.Nf5+=) 11...Qd7 (better is 11...Bf5 12.gf5 cb4+=) 12.de4+/– cb4 13.e5 Ne8 14.Ne7 (14.ed6!? Nd6 15.Ng7+=) 14...Qe7= 15.Nd2 (better is 15.ed6!? Nd6 16.Qd4+=) 15...de5–/+ 16.a3 (16.h4 Nf6–/+) 16...Nc6 17.ab4 (17.h4 Rd8+=) 17...Nb4 (17...Qb4?! 18.Ba3 Qc3 19.Bf8 Kf8 20.Qc1+=) 18.Ba3 Nc7 19.Qa4 (19.Qb3 a5–/+) 19...a5 20.e4 (20.0–0 f5–/+) 20...Rfd8–+ 21.Bb4 (better is 21.Rg1–+) 21...ab4 (21...Qb4?! 22.Qb4 ab4 23.Ra8 Ra8 24.h4 Ra1 25.Bd1–/+) 22.Qd1 Be4! 23.0–0?? (23.Ne4 Rd1 Double attack (23...Rd1 Pinning; 23...Rd1 Deflection; 23...Rd4 Decoy)) 23...Ra1 (23...Ra1 24.Qa1 Rd2–+) 0–1. Sukiennik,Marek (2105) – Czyrnek,Stanislaw (2000), Nowy Sacz POL, 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 a6

7.0–0 A) 7...Nc6 8.a3 (8.b5 ab5 9.cb5 Na5 10.Nc3 e4 11.Nd4 Nc4 12.Rb1=; 8.Bc3 e4 9.Nd4 Be2 10.Qe2 Nd4 11.Bd4 c5 12.Bc3=) 8...e4 9.Nd4 Be2 10.Qe2 Ne5 11.f3 c5 12.Nf5+=; B) 7...e4 8.Nd4 Be2 9.Qe2 0–0 10.f3 d5 11.Nf5 Bb4 12.cd5+/–; C) 7...0–0 8.Nc3 e4 9.Ng5 Be2 10.Qe2 d5 11.cd5 Nd5 12.Nge4=.

7.a3 a5 8.b5 e4 9.Nd4 Be2 10.Qe2 Nbd7 11.f3 ef3 12.Nf3+=.

7.d4 ed4 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 (15...Nb4 16.Qf5=) 16.Nde4 (16.Nf5 Rfd8+=) 16...Ne4= 17.Qe4 Bd6 (17...Rae8 18.Nh5 g6 19.Rd5=) 18.f4 (18.Bg7 Bg3 19.Bf8 Bh2 20.Kh1 Rf8+=) 18...Rad8 19.Nh5 f6 20.g4 (20.Rd3 Rf7=) 20...Rfe8 (20...Rf7 21.a3+=) 21.Qf3 Bf8 22.Kf2 (22.Bf6!? gf6 23.Nf6 Kh8 24.Ne8 Re8 25.Rd3=) 22...Rd1+= 23.Rd1 Rd8 24.Rd8 Nd8 25.Qd5 Kh8?? (better is 25...Nf7+=) 26.Nf6!+– Nf7 (26...gf6 27.Bf6) 27.Nd7 Kg8 28.Nf8 (28.Ne5 a5+–) 28...Kf8+/– 29.Qa8 Qd8 (29...Nd8 30.Qa6 Qd7 31.Be5+–) 30.Qd8+– Nd8 31.f5 (31.Kf3 g5+–) 31...Nc6 (31...Nf7 32.Ke2+/–) 32.Ke2+– a5 33.Kd3 a4 34.a3 Na5 35.h4 Kf7 36.ab4 (better is 36.e4!?+–) 36...cb4+= 37.c5 a3 38.Be5 b3 39.g5 (39.Bc3 Nc4 40.c6 b2=) 39...b2 (better is 39...Nc4! 40.Bd4 b2–/+) 40.Kc2= Nc6 (40...Nc4 41.c6 Ke8= (worse is 41...Ne5 42.c7 a2 43.Kb2 Nc4 44.Ka2+/–)) 41.Bc3+/– Ke8? (41...g6 42.f6+/–) 42.e4?? (better is 42.Bg7!? Kf7 43.Bc3 Ne7+–) 42...Kf7 (42...g6 43.f6+/–) 43.e5 (43.h5 Kf8+–) 43...Ke7? (better is 43...g6 44.f6 Ke6+/–) 44.h5+– Kf8 45.g6 (45.g6 hg6 46.hg6+–) 1–0. Suess,Stefan – Hellmann,Thomas, corr, 1984.

7.d4 e4 8.Nfd2 Be2 9.Qe2= d5 10.a3 c6 11.Nc3 a5 12.b5=.

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 Qb6 9.a3 (9.Rb1 Bf3 10.gf3 Rd8 11.a3 a5 12.b5 Nbd7 13.Qf5 Rac8 14.Rg1+=) 9...a5 10.ba5 (10.b5 Rc8 11.bc6 Qc6 12.d4 ed4 13.ed4 Re8 14.d5=) 10...Ra5 11.0–0 Nbd7 12.Rfb1 Nc5 13.Nd1 Qb3 14.Qb3+=.

7.Nc3 0–0 8.Qc2 Qc7 9.Rc1 (9.0–0 a5 10.b5 a4 11.a3 Ra5 12.Rac1 Rc8 13.bc6 Qc6 14.d4=) 9...Nbd7 (9...Qb6 10.a3 a5 11.b5 Nbd7 12.d4 Rfc8 13.bc6 bc6 14.h3=) 10.Bd3 (10.0–0 Nb6= 11.d3 Rfe8 12.h3 Be6 13.Ng5 Bf5 14.Nge4=; 10.d4 Rae8 11.Rd1 Bf3 12.Bf3 d5 13.cd5 cd5 14.a3=) 10...Rfe8 (10...a5 11.b5 Nc5 12.Be2 e4 13.d4 ef3 14.gf3+=) 11.h3 (11.Bf5 Bh5 12.d3 Bf3 13.gf3 d5 14.a3=) 11...Bh5 (11...Bf3 12.gf3 Qb6 13.a3 a5 14.b5=) 12.Ng5 (12.g4 Bg6 13.Bg6 fg6 14.d4=) 12...Bg6 (12...Nf8 13.Nge4= a5 14.Nf6=; 12...h6 13.Nge4 Ne4 14.Ne4=) 13.Bg6 hg6 (13...fg6 14.0–0=) 14.h4 (14.0–0=) 14...Rac8 15.h5 (15.a3!?=) 15...gh5–/+ 16.Rh5 d5 17.Rh3 e4 (17...Bb4 18.a3 Bd6 19.cd5 cd5 20.Qf5–/+) 18.Ke2 (18.cd5 cd5 19.Qd1+/–) 18...Ne5?? (18...Ng4 19.Rch1 Nh6 20.f4 Bb4 21.cd5 cd5 22.Qb3 Qc4 23.Qc4 Rc4 24.Nd5=) 19.Rch1?? (better is 19.Nce4 Ng6 20.Nf6 Bf6 21.Bf6 gf6 22.Nh7+/–) 19...Ng6 20.f3 (20.f4 Qd7 (20...Bb4? 21.f5 Nf4 22.ef4+–) 21.Qb3 Red8 22.cd5 cd5=) 20...Qd7 (20...Bb4 21.fe4 Re5 22.Nd5 cd5 23.Be5 Qc4 24.Qc4 Rc4 25.ed5 Nd5 26.Nf3+–) 21.c5 (21.Qb3 Ng4 22.cd5 Bg5 23.fg4 Qg4 24.Ke1 Bh4 25.Kf1 Re5–+) 21...Qf5+= 22.f4 Rcd8 (22...Nd7 23.Rg3–/+) 23.Ke1= Qg4 (23...Nd7!?=) 24.Ne2+/– Nd7?? (better is 24...Ra8+/–) 25.Rg3+– Qf5 26.Nd4 Qf6 27.Qd1 (27.Nde6 fe6 28.Bf6 Bf6+–) 27...Nf4? (27...Bc5 28.Nh7 Bd4 29.Nf6 Bf6 30.Bf6 Nf6+–) 28.ef4 Qf4 (28...g6 29.Qc2 Ne5 30.fe5 Qe5+–) 29.Rh8!! 1–0. Kleiser,Gregor (2155) – Kuess,Mario (2150), AUT–chT2S, 1999.

7.Nc3 0–0 8.Qc2 Nbd7 A) 9.0–0 d5 10.c5 (10.cd5 cd5 11.Qb3 e4 12.Nd4 Be2 13.Nde2 Ne5 14.Nf4+=) 10...Qc7 11.h3 Bh5 12.Rfc1 Rfe8 13.d3 Red8 14.a3+=; B) 9.a3 d5 10.cd5 (10.d3 a5 11.b5 Rc8 12.0–0 cb5 13.Nb5 dc4 14.dc4+=) 10...cd5 11.0–0 e4 12.Nd4 Be2 13.Nce2 a5 14.Bc3=; C) 9.h3 Bh5 10.d3 Qb6 11.a3 a5 12.b5 Rac8 13.bc6 Qc6 14.Rb1=.

7.Nc3 0–0 8.Qc2 Bf3 9.Bf3 d5 10.cd5 (10.a3 a5 11.0–0 ab4 12.ab4 Ra1 13.Ra1 e4 14.Be2+=; 10.b5 dc4 11.Ne4 Qb6 12.Be5 cb5 13.Nf6 Bf6 14.Bf6=) 10...cd5 11.a3 Qd7 12.d3 a5 13.b5 a4 14.0–0=.

7.d3 0–0 8.Nbd2 (8.0–0 Nbd7=) 8...Nbd7 9.Qc2 Bf3 10.Bf3 d5 11.0–0 (11.a3!?=) 11...Bb4–/+ 12.Qb3?? (better is 12.Rab1–/+) 12...Bd2–+ 0–1. GuestBBRT – milkymike, freechess.org, 2017.

7.d3 Qb6 8.Bc3=.

7.h3 Be6 8.a3 h6 9.0–0 Nbd7 10.d3 Nb6 11.Nbd2 a5 12.Qb3 a4 13.Qc3 White prepares the advance c5 13...Nh5? (13...0–0!?+=) 14.d4 White plans c5 14...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 (better is 20.Nh4 Ng3 21.fg3+–) 20...g6 21.Ng3?? (better is 21.Nh4+–) 21...Ng3+= 22.fg3 (better is 22.e4!? Ne4 23.Be4 Be4 24.Qe4+=) 22...Ne3–/+ 23.Bf5 Nc2?? (better is 23...Qf5 24.Qf5 Nf5–/+) 24.Bd7+– Kf8 25.Rac1 Ne3 26.Re1 Nd5 27.Be6 Nc7 (27...Re8 28.Kf1+–) 28.Bc4 Kg7? (28...Nd5+–) 29.Rcd1 Rad8 30.Nh2 (better is 30.Ne5 Rd1 31.Rd1 Rd8+–) 30...Rhf8 31.Nf1 g5? (31...Nd5+–) 32.Ne3 Rd1 33.Rd1 Kg6 (33...Rd8 34.Nf5 Kf8 35.Rd8 Bd8 36.Nd6+–) 34.Bd3 (34.Rd7!? Nd5 35.Nd5 cd5 36.Bd5 Rd8 37.Rd8 Bd8 38.Bb7 Kf7+–) 34...Kg7 (34...Kf7 35.Nf5 Rh8 36.Bc4 Ke8 37.Ng7 Kf8 38.Rd7+–) 35.Nf5 Kf7 36.Bc4 (better is 36.Nh6 Kg7 37.Nf5 Kf7 38.Bc4 Nd5 39.Ne3+–) 36...Ne6 (36...Nd5 37.Rd5 cd5 38.Bd5 Ke8 39.Bb7+–) 37.Nd6 (better is 37.Rd7 Re8 38.Kf1+–) 37...Bd6 38.Rd6 (worse is 38.cd6 b5 39.Ba2 Rd8+–) 38...Re8 39.Rd7 Re7 40.Re7 Ke7 41.Be6 (better is 41.Kf2!?+–) 41...Ke6 42.Kf2 Kf5 43.Ke3 (43.g4!? Ke4 44.Ke2 Kf4+–) 43...h5 44.Bc3 Ke6 45.Ke4 f5 46.Ke3 Kd5 Black prepares the advance e4 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 (55.Bc1 Ke4+/–) 55...Ke4 56.Be1 (better is 56.Bb2!?+/–) 56...Kd4= 57.Bc3 Kc4 (57...Ke4 58.Bg7+/–) 58.Be1 (58.Bb2!?+/–) 58...e2 59.Kd2 Kb3 60.Ke2 Ka3 61.Kd3 Kb3 62.Bc3 a3 63.Kd4 Ka4 (better is 63...Kc2=) 64.Kc4+– a2 65.Ba1 Ka3 66.Kc3 Ka4 67.Bb2 Kb5 68.Kb3 b6 69.cb6 (69.Ka2?! bc5 70.bc5 Kc5+–) 69...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+–) 0–1. Fournier,Frederic (1765) – SALMANTINO (1740), Active, 2004.

6.Be2 Nc6

7.b5 Nb8 8.0–0 0–0 9.h3 Bf3 10.Bf3 c6 11.a4 d5 (better is 11...e4!? 12.Be2 d5=) 12.cd5+/– cd5 13.d3 (better is 13.Be5!? Nbd7 14.d4+/–) 13...Nbd7= 14.Nd2 b6 (14...Bb4 15.Nb3=) 15.Qb3 Nc5 16.Qc2 Qd6 17.Rac1 Rad8 18.Ba3 (18.d4 ed4 19.Bd4 Ne6+=) 18...Qe6= Black prepares e4 19.Qa2 (19.d4 ed4 A) worse is 20.Bc5 Bc5 (20...bc5?! 21.ed4 c4 22.Rfe1=) 21.ed4 Bd4–/+; B) 20.ed4=) 19...Nd3–/+ 20.Rc6 Qd7 21.Be2 Nc5 (21...Nb4 22.Bb4 Bb4 23.Nf3+=) 22.Nf3 e4 23.Ne5 (23.Nd4 Ne6=) 23...Qf5–/+ 24.f4 (24.Ng4!? Ng4 25.Bg4+=) 24...ef3–+ 25.Nf3 Rc8 (25...Qe4 26.Bc1–+) 26.Bb2 (26.Nd4!? Qe5 27.Nf5 Rc6 28.bc6–/+) 26...Rc6–+ 27.Nd4 Qd7 (better is 27...Qe4!? 28.Nc6 Qe3 29.Rf2 Bd6–+) 28.Nc6–/+ Nfe4 (28...Nce4 29.Bd3 Bc5 30.Bd4–/+) 29.Ne7 (better is 29.Qd5! Qc7 30.Bf3+=) 29...Qe7–/+ 30.Qd5 Na4 (30...Ng3 31.Rf2 Qe3 32.Qf3 Ne2 33.Qe2 Qe2 34.Re2 Na4 35.Ba1–+) 31.Bg7 (31.Qe5 Qe5 32.Be5 Re8–/+) 31...Kg7 32.Qd4 Nf6 33.Qa4? (better is 33.g4 h6 34.h4–+) 33...Qe3 34.Kh1 Qe2 35.Qf4 (35.Qa1 Qe7–+) 35...Nh5 36.Qg5 Kh8 (36...Kh8 37.Kg1 Rg8–+) 0–1. GuestQSPB – GuestKMKV, freechess.org, 2017.

7.b5 Nb8 8.d4 e4 9.Nfd2 Be2 10.Qe2 a6 (10...d5 11.Nc3=) 11.ba6+= Ra6 (11...Na6 12.Nc3+=) 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 ( 15...Qd7!?+=) 16.Ne6+/– Nc3 17.Nd8 (17.Bc3?! fe6 18.Bd4 Bf6+=) 17...Ne2?? ( 17...Nd1 18.Rfd1 Rfd8+/–) 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 a5 8.b5 e4 (8...a4 9.d4 e4 10.Nfd2 Be2 11.Qe2 c6 12.d5 0–0=; 8...0–0 9.d4 Bf3 10.Bf3 e4 11.Be2 d5 12.cd5 Nd5+=; 8...Nb6 9.d4 e4 10.Nfd2 Be2 11.Qe2 d5 12.cd5 Na4=) 9.Ne1 Be2 10.Qe2 c6 11.d3 d5 12.cd5 cd5=.

7.0–0 b6 8.Nc3 (8.h3 Bh5 9.Nc3 c6 10.b5 cb5 11.cb5=; 8.d4 0–0 9.Nbd2 e4 10.Ng5 Bf5 11.f3+=) 8...h6 (8...c5 9.a3= 0–0 10.d4 Re8 11.Re1=) 9.Qc2 (9.d4 0–0+= 10.Qc2 c6 11.Rfd1+=) 9...0–0 (9...c5 10.a3+= 0–0 11.d4+=) 10.h3 (10.d4 c5 (10...a5 11.b5 Re8+=) 11.bc5+=; 10.b5 a6 11.d4+=) 10...Be6 (10...Bh5 11.d4+=) 11.d4 e4 (11...c6!?+=) 12.Ne4+/– Bf5?? (better is 12...c6+/–) 13.Nf6+– Bf6 (13...Nf6 14.Qf5 a5 15.b5+–) 14.Qf5 Re8 (14...Qe7 15.a3+–) 15.Bd3 g6 16.Qd5 (16.Qf4 a5+–) 16...Kg7 (16...Qe7 17.b5 Kg7 18.Rfb1+–) 17.Bc3 (17.Qc6 a5 18.b5 Ra7+–) 17...Nf8 (17...a6 18.a4+–) 18.Nd2 Qd7 (18...Rc8 19.Ne4+–) 19.Qf3 Rac8 (19...Nh7 20.Ne4+–) 20.Ne4 Re6 (20...Nh7+–) 21.d5 Bc3 22.de6 (22.de6 fe6 23.Nc3+–) 1–0. pierre – opponent, internet, 2009.

7.0–0 Nb6 8.Qc2 (8.d3 0–0 9.Nc3 a5 10.b5 a4 11.a3 Qc8 12.Rc1 Re8=; 8.d4 e4 9.Nfd2 Be2 10.Qe2 Na4 11.Ba3 d5 12.Rc1 Rc8=) 8...0–0 (8...Qd7 9.d3 a5 10.b5 0–0 11.Nbd2 Rfd8 12.d4 ed4+=) 9.d3 Qd7 10.Nc3 a5 11.b5 Rfb8 12.h3 Be6=.

7.0–0 c6 8.a3 e4 (8...0–0 9.Nc3 d5 10.cd5 cd5 11.h3 Be6 12.Ng5 a5=; 8...a5 9.Nc3 0–0 10.b5 d5 11.bc6 bc6 12.d4 Qb8=; 8...Nb6 9.d3 0–0 10.Nbd2 Re8 11.h3 Bd7 12.Qc2 Rc8+=; 8...Qc7 9.d4 0–0 10.Nc3 Rae8 11.Qd3 ed4 12.Qd4 b6=; 8...Qb6 9.Nc3 a5 10.b5 0–0 11.d4 Bf5 12.Nh4 Bg6+=) 9.Ne1 Be2 10.Qe2 d5 11.d3 a5 12.Nc2 ab4=.

7.0–0 c6 8.Nc3 d5 (8...0–0 9.a3 d5 10.cd5 cd5 11.d4 e4 12.Nd2 Be2=; 8...Nb6 9.d3 0–0 10.Nd2 Be2 11.Qe2 a5 12.ba5 Ra5=; 8...e4 9.Nd4 Be2 10.Qe2 Ne5 11.Rab1 a5 12.ba5 Qa5=; 8...Qb6 9.a3 a5 10.b5 0–0 11.d4 Bf5 12.Nh4 Bg6+=) 9.cd5 cd5 10.Qb3 e4 11.Nd4 Be2 12.Nce2 a5=.

7.0–0 c6 8.d3 0–0 9.Nc3 d5 10.a3 a5 11.b5 dc4 12.dc4 Qc7=.

7.0–0 c6 8.d3 0–0 9.Nbd2 h6 10.Qc2 a5 11.b5 (11.a3 Qb6=) 11...cb5 12.cb5 Rc8 13.Qd1 Nb6 (13...Qc7 14.Nc4=) 14.a4 Nbd5 15.h3 Be6 16.Ne4 Ne4 17.de4 Nb4 18.Rc1 Qb6 19.Qd2 Bb3 (19...Rfd8 20.Bc3=) 20.Rc7 0–1. GuestNWNG – GuestHFMJ, freechess.org, 2017.

7.0–0 c6 8.d3 Qb6 9.Qd2 0–0 10.h3 Bf5 11.e4 Bg6 12.a4 a5=.

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 (15...Qc7 16.f3 ef3 17.Qf3=) 16.c5+= Bc3 17.Bc3 cb5 18.Qb5 Qc7 19.Ra7 Rb8 20.Nb3 Ng4 (20...Qc6 21.Qc6 bc6 22.Nd2+=) 21.g3 f5 (21...Nf8!?+=) 22.Na5+/– f4 (22...Nf8!?+/–) 23.ef4+– e3 (23...Qd8 24.Rb7 Rb7 25.Qb7+–) 24.fe3 Ne3 25.Rb7 (25.Nb7?! Nf6+–) 25...Rb7 26.Qb7 Qb7 27.Nb7 Nc4 (27...Nb8 28.Nd8 Kf8 29.c6+–) 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 (43...Kc8 44.Kd6 Combination; 43...Nc8 44.Kd5 Deflection) 44.Kd5 Nb6 45.Ke4 White intends f5 45...Nc4 46.f5 gf5 47.Kf5 Ne3 48.Kg5 Nd5 49.Kh6 Ne3 (49...Ke7 50.g5 Kf7 51.g6 Kg8 52.Kg5+–) 50.g5 Nf5 51.Kh7 Ke6 52.g6 Ne7 (52...Kd5+–) 53.g7 Kf7 54.d5 1–0. Hingst,Thomas (2095) – Schulz,Peter (1845), RSS7E basic–13, 2009.

7.0–0 c6 8.h3 Bf3 9.Bf3 d5 10.cd5 cd5 11.Qb3 e4 12.Be2 0–0=.

7.0–0 c6 8.h3 Bh5 9.Nc3 d5 (9...Nb6 10.d3=) 10.c5 (10.cd5 cd5 11.Ne5 Ne5 12.Bh5 Nc4+=) 10...0–0 11.a3 Bf3 12.Bf3 d4 (better is 12...Qc7!?=) 13.ed4+/– ed4 14.Ne4 (better is 14.Ne2!?+/–) 14...Ne5= 15.Nf6 Bf6 16.Bh5 (16.d3!?=) 16...Nc4 17.Bc1 (17.Ra2 d3 18.Ba1 Rb8+=) 17...d3–/+ 18.Rb1 Qd4 19.Rb3 Rfe8 20.Qf3 g6 21.Bg4 Rad8 22.Kh1? (better is 22.Qd1–/+) 22...h5–+ 23.Bh5 gh5 24.Qh5 Re5 25.Qf3 Re2 26.Qg3 Bg7 27.Qf3 Nd2 28.Bd2 Rd2 29.a4 Ra2 30.b5 Ra1 (worse is 30...Qa4 31.Rd3 Rd3 32.Qd3–+; 30...Qc5?! 31.bc6 bc6 32.Rd3 Rd3 33.Qd3–+) 31.Ra1 (31.Rbb1 Rb1 32.Rb1–+) 31...Qa1 32.Kh2 d2 33.Rd3 Rd3 34.Qd3 d1Q 35.Qd1 Qd1 36.bc6 bc6 (36...Be5 37.g3 Qf3 38.c7 Qf2 39.Kh1 Qf3 40.Kg1 Bd4 41.Kh2 Qf2 42.Kh1 Qg1) 37.a5 Qd4 (37...Be5 38.f4 Bf4 39.g3 Qe2 40.Kh1 Bg3 41.Kg1 Qf2 42.Kh1 Qf1) 38.Kg1 (38.f3 Be5 39.f4 Qf4 40.Kg1 Qe3 41.Kf1 Bd4 42.g4 Qf2) 38...Qc5 (38...Be5 39.g4 Bg3 40.Kh1 Qf2 41.g5 Qf1) 39.a6 (39.Kf1 Qc2 40.g3 Bd4 41.Ke1 Qf2 42.Kd1 Be3 43.g4 Qd2) 39...Be5 40.g3 (40.Kf1 Qb5 41.Ke1 Bc3 42.Kd1 Qb2 43.g3 Qd2) 40...Bg3 41.Kh1 Qf2 42.h4 Qf1 0–1. Nikolova,Angelika – Yanev,Yordan, Teteven Open, 2015.

7.0–0 c6 8.Nh4 Be2 (8...Be6 9.d4=) 9.Qe2 g6 (9...0–0 10.Nf5=) 10.d3 h5 (10...Qb6 11.Bc3=) 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 (20...Nf6!?+/–) 21.Rf7+– Bh4 (21...Bg5 22.Raf1+–) 22.Nf5 (better is 22.Nh5 Rg6 23.Raf1+–) 22...Rf8?? (better is 22...Bf6+–) 23.Rf8 Nf8 24.h3 (24.Nh4?! Rh4 25.Qf2 Qe7+–) 24...Re4 (24...Rg5 25.Nh4 Nd7+–) 25.Qf3 Re3 (25...Rd4 26.ed4 Bf6 27.Rd1+–) 26.Qe3 Bd8 (26...Bf6 27.de5 Be5 28.Be5 de5 29.Qa7+–) 27.Qh6 Nd7 28.de5 (28.Nd6 Kb8 29.de5 h4+–) 28...de5 29.Rd1 e4 (29...Bf6 30.Nd6 Kb8 31.Ne8+–) 30.Qh8 b6 31.Qe8 e3 32.Ne7 1–0. MrkT – shui, internet, 2005.

7.0–0 e4 8.Nd4 (8.Ne1 Be2 9.Qe2 c6 10.d3 d5 11.Nc2 a5 12.de4 de4=; 8.Ng5 Be2 9.Qe2 h6 10.Nh3 Ne5 11.Nf4 Qd7 12.Bd4 a5=) 8...Be2 9.Qe2 Ne5 10.f3 c5 11.Nf5 ef3 12.gf3 g6=.

7.0–0 h6 8.Nc3 c6 9.Re1 h5 (9...0–0 10.d3=) 10.d4 (10.h3 Bf5+=) 10...e4= 11.Nd2 Be2 12.Qe2 h4? (better is 12...d5!? 13.b5 h4=) 13.Nce4 Ne4 14.Ne4 Nf6 15.Nf6 Bf6 16.Qg4 (16.h3 d5+–) 16...Qd7 17.Qd7 Kd7 18.h3 c5 (18...Rhe8 19.a3+/–) 19.bc5+– dc5 20.Rab1 Rae8 (20...Rhd8 21.d5 Bb2 22.Rb2+–) 21.dc5 (21.Ba3 cd4 22.Rb7 Kc6 23.Rf7 a5+–) 21...Bb2 22.Rb2 Kc6 23.Rd1 Re6 24.Rd6! Rd6 25.cd6 Rd8 26.Rd2 (26.c5 b6 27.cb6 ab6+–) 26...Kc5 (26...Rd6 27.Rd4+/–) 27.Rd4 b6 (27...Rd6 28.Rh4 Rd1 29.Kh2+/–) 28.Kf1 (better is 28.d7!?+–) 28...Rd6+/– 29.Rd6 Kd6 30.Ke2 Kc5 31.Kd3 g5? (better is 31...Kb4+/–) 32.g3?? (32.Ke4 Kb4 33.f4 gf4 34.Kf4 Ka3+–) 32...f5 (better is 32...g4 33.Ke2 gh3–+) 33.gh4+– gh4 34.f3 a5 35.e4 fe4 36.fe4 (worse is 36.Ke4 Kc4 37.f4 Kc5+–) 36...a4 37.e5 a3 38.Ke4 Kc6 39.e6 (better is 39.Kf5 Kd7 40.Kf6 Kc6+–) 39...Kd6 40.e7 (better is 40.Kf5 Kc5 41.e7+–) 40...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 Black threatens to counter with Ke5 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 (8...e4 9.Bf6 Bf6 10.Nd4+=) 9.d4= Bf3 (9...ed4!? 10.Bd4 0–0=) 10.Bf3+/– (10.gf3?! ed4 11.Bd4 Ne6=) 10...ed4 11.ed4 (11.Bd4 Qb8+/–) 11...Nce4+= 12.0–0 0–0 13.Nc3 Nc3 14.Bc3 d5 15.c5 (15.Re1 Re8+=) 15...Re8 (15...b6 16.Qd3+=) 16.Re1+/– Qd7 (16...b6 17.Ra2+/–) 17.Qd2 b6 18.c6 (18.Re5 Rad8+/–) 18...Qd8 19.Re2 Bd6 20.Rae1 Re2 21.Re2 (21.Be2? Ne4 22.Qe3 Nc3 23.Qc3 Bb4–+; 21.Qe2?! Qf8+=) 21...Qf8 22.Qa2 Re8 23.Re8 Qe8 24.Bd5 Bb4? (better is 24...Nd5!? 25.Qd5 Qe2=) 25.Bb4+– ab4 26.Bc4 (26.g3!?+/–) 26...Qe1+= 27.Bf1 Ne4 28.Qe2 Qe2 29.Be2 Nc3 (29...b3 30.Bd3 Nd6 31.Kf1+/–) 30.Bc4+– Na4?? (better is 30...Ne4+–) 31.d5 Nc5 (31...g6 32.d6! cd6 33.c7+–) 32.d6! Ne6 (32...cd6 33.c7 Passed pawn) 33.Be6 (33.Be6 cd6 34.Bd5+–) 1–0. Furlong,Kevin – Offenwanger,Thomas (1690), Afro op, 1998.

7.a4 e4 8.Nd4 Be2 9.Qe2+=.

7.Qb3 e4 8.Nd4 0–0 (8...Be2 9.Ne2 a5 10.a3+=) 9.d3 (9.Bg4 Ng4 10.0–0 Nge5=) 9...d5 (9...Be2 10.Ne2 a5 11.de4 ab4 12.Qb4+=) 10.cd5 (10.Bg4 dc4 11.dc4 Ng4=) 10...Be2 11.Ne2 ed3 12.Nf4 Nb6 13.Nc3 d2 14.Ke2 (14.Kd2!? a5 15.ba5 Ra5 16.e4=) 14...Re8+= 15.Rhd1 Bd6 16.g3 Qd7 (16...Bf4 17.gf4 Qd6 18.Kf1+=) 17.Rd2 Bf4 18.gf4 Qg4 19.Kf1 Qh3 20.Ke2 Qh2 21.Kd1 Qh5 22.Kc1 (22.Ke1 Qh1 23.Ke2 Qg2–/+) 22...Rad8 23.d6 (23.Qd1 Qd1 24.Rd1 Nbd5 25.Nd5 Nd5–/+ (25...Rd5?! 26.Bf6 Rd1 27.Kd1 gf6 28.Ke2+=)) 23...Rd6–+ 24.Rd6 (24.Qd1 Qd1 25.Rd1 Rd1 26.Nd1 Nfd5–+) 24...cd6 25.Kd2 (25.Qd1 Qg6 26.Qf3 Qd3–+) 25...d5 (better is 25...Qf3 26.Ke1–+) 26.Rd1? (26.Rf1–+) 26...Qf3 27.Rf1 (27.Kc1 Qf2 28.Na4 Re3–+) 27...Re3!! 28.fe3 Qf1 29.Ne2 (29.Nd1 Ne4 30.Kc2–+) 29...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 0–0 8.0–0 e4 9.Nd4 Be2 10.Ne2 d5 11.cd5 Bb4 12.Qc4 (12.d3 ed3 13.Qd3 Nb6=) 12...Bd6+= 13.Nbc3 (13.Bf6 Qf6 (13...gf6? 14.Qe4 Nb6 15.Nbc3+–; 13...Nf6?! 14.Nbc3=) 14.Nbc3 Qh6+=) 13...Re8 14.f3 (better is 14.Rac1!?+=) 14...ef3–+ 15.gf3 Nb6 16.Qh4 1–0. GuestQFBN – kirtishu, freechess.org, 2017.

7.Qc2 c6 8.a4 (8.0–0 d5 9.c5 e4+=) 8...0–0 9.0–0 Re8 (9...d5 10.cd5 cd5 11.Qb3–/+) 10.d3= Qc7 11.Nbd2 d5 12.c5 Bf8 (12...a5 13.Bc3+=) 13.e4 d4 14.Qd1 (14.h3!? Bf3 15.Nf3+=) 14...a5 15.Nd4 Be2 (worse is 15...ed4 16.Bg4 ab4 17.Bd7 Nd7 18.Bd4 Bc5 19.Be3=) 16.Ne2 ab4 17.f4 (better is 17.Nb3!? Bc5 18.Nc5 Nc5 19.f4–/+) 17...Bc5–+ 18.Kh1 ef4 (18...Ng4!? 19.Nc4 ef4 20.Nd4–+) 19.d4–/+ Bb6 20.e5 Nd5 21.Qb3 Qd8 (better is 21...g5!?–/+) 22.Nf4+= Nf4 23.Rf4 Qe7 24.Raf1 Rf8 25.Ne4 Bc7 26.Rf5 h6 27.Bc1 c5 28.Qg3 (better is 28.Nf6 Nf6 29.ef6+=) 28...Qe6?? (28...Ra6 29.Nd6 Bd6 30.Bh6 Be5 31.Re5 Qe5 32.de5 Rh6 33.Rd1=) 29.Rf6 (29.Nc5 Nc5 30.dc5 Ra4+=) 29...Nf6? (29...Qf6 30.Rf6) 30.Rf6?? (30.Nf6 Kh8 31.Bh6 gh6 32.Qd3 Qf6 33.Rf6+– (worse is 33.ef6 b6+–)) 30...Be5!–/+ 31.de5 (31.Qe5 Qe5) 31...Qd5 32.Qf3 (32.Nf2 Ra4 33.Rd6 Qc4–+) 32...Rad8 (32...Ra4 33.Rh6 Qe4 34.Qe4 gh6 35.Qg4 Kh7 36.Qh4+/–; 32...Qe5?! 33.Rf5 Qa1 34.Rc5–+) 33.Rd6? (better is 33.Rf4 Qe5 34.Qf1–+) 33...Qe5 34.Rd8 Rd8 (34...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 c6 A) 10.h3 A1) 10...Bh5 11.a3 (11.Rb1 Rc8 12.0–0 Qc7 13.g4 Bg6 14.Nh4 Nc5 15.Ng6+=; 11.0–0 Qc7 12.d4 e4 13.Nd2 Be2 14.Qe2 d5 15.f3=; 11.Qc2 Rc8 12.Rb1 d5 13.bc6 bc6 14.0–0 Re8 15.g4=; 11.Rc1 Rc8 12.0–0 Nb6 13.Rb1 Qc7 14.bc6 bc6 15.Nd2=; 11.a4 Rc8 12.Rb1 Qc7 13.0–0 Nc5 14.Re1 Ne6 15.Qd2=) 11...Rc8 12.0–0 cb5 13.Nb5 Nc5 14.Rb1 Re8 15.g4+=; A2) 10...Bf5 11.Rc1 (11.e4 Be6 12.d4 ed4 13.Nd4 Rc8 14.0–0 Nc5 15.Ne6=; 11.0–0 d5 12.cd5 cd5 13.Nd5 Nd5 14.e4 Bh3 15.gh3=) 11...d5 12.cd5 cd5 13.0–0 Qb6 14.e4 Be6 15.ed5=; A3) 10...Be6 11.0–0 d5 12.d4 e4 13.Ng5 Bf5 14.f3 ef3 15.Nf3= ; B) 10.Rb1 d5 11.0–0 (11.bc6 bc6 12.0–0 Rb8 13.Qc2 Qc7 14.cd5 cd5 15.Rfc1+=; 11.d4 Bf3 12.gf3 dc4 13.bc6 bc6 14.0–0 Rb8 15.Ne4+=) 11...Qc7 12.bc6 bc6 13.cd5 cd5 14.Nb5 Qb8 15.a4=; C) 10.Rc1 d5 11.0–0 (11.cd5 cd5 12.0–0 Rc8 13.d4 e4 14.Nd2 Be2 15.Qe2=) 11...dc4 12.dc4 Qc7 13.Qc2 a4 14.a3 Rfd8 15.Rfd1=; D) 10.a3 d5 11.0–0 Rc8 12.h3 Bf5 13.Rc1 dc4 14.dc4 Qc7 15.Bd3+= ; E) 10.0–0 E1) 10...Re8 11.d4 (11.Rc1 Qb6 12.h3 Be6 13.d4 Rac8 14.Bd3 cb5 15.cb5=; 11.a3 d5 12.h3 Bh5 13.g4 Bg6 14.g5 Nh5 15.cd5+=; 11.Rb1 d5 12.d4 e4 13.Nd2 Be2 14.Qe2 a4 15.c5=; 11.h3 Be6 12.Ng5 Bf5 13.f4 ef4 14.Rf4 Bg6 15.Nf3=; 11.Ng5 Be2 12.Qe2 d5 13.Rac1 a4 14.a3 Nc5 15.cd5=; 11.a4 d5 12.h3 Bf5 13.d4 e4 14.Ne5 Qc7 15.Nd7=; 11.e4 Nc5 12.Bc1 d5 13.ed5 cd5 14.Ne5 Be2 15.Ne2=) 11...Qc7 12.Rc1 c5 13.de5 de5 14.Nd5 Qb8 15.Ne7+=; E2) 10...Qc7 11.Re1 (11.Rc1 Rae8 12.h3 Bf5 13.d4 ed4 14.ed4 Ne4 15.Bd3=; 11.e4 Rfd8 12.h3 Bh5 13.d4 Bg6 14.Qd3 d5 15.cd5=; 11.a3 d5 12.cd5 cd5 13.Rc1 Qd6 14.d4 e4 15.Nd2=; 11.Rb1 d5 12.bc6 bc6 13.cd5 cd5 14.Nb5 Qb8 15.a4=; 11.d4 a4 12.Qd3 ed4 13.ed4 d5 14.c5 b6 15.cb6=; 11.Ng5 Be2 12.Qe2 d5 13.cd5 Nd5 14.Nf3 Qd6 15.bc6=; 11.a4 d5 12.bc6 bc6 13.cd5 Rab8 14.Qd2 Nd5 15.Rfc1=; 11.h3 Bh5 12.g4 Bg6 13.Nh4 Nc5 14.f4 ef4 15.ef4=; 11.Qd2 a4 12.h3 a3 13.hg4 ab2 14.Qb2 Ng4 15.Rfb1=) 11...d5 12.h3 Bf5 13.cd5 cd5 14.Rc1 Qd6 15.e4=; E3) 10...d5 11.d4 (11.h3 Be6 12.d4 e4 13.Ng5 Bf5 14.f3 ef3 15.Nf3=; 11.Rc1 dc4 12.dc4 Qc7 13.Qc2 Rfd8 14.h3 Bh5 15.Rfd1=; 11.Qd2 a4 12.a3 dc4 13.dc4 e4 14.Ng5 Ne5 15.Qc2+=; 11.Rb1 Qc7 12.bc6 bc6 13.cd5 cd5 14.Nb5 Qb8 15.a4=; 11.Qc2 Rc8 12.Rfd1 Re8 13.h3 Bh5 14.a3 cb5 15.Nb5=; 11.Re1 dc4 12.dc4 Qc7 13.Qc2 Rad8 14.Rad1 Rfe8 15.Rd2=) 11...e4 12.Nd2 Be2 13.Qe2 Re8 14.c5 cb5 15.Nb5=.

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 (10...Nef6 11.Rb1 (11.d4 Re8 12.e4 a4 13.a3 Nb6 14.de5 de5 15.Ne5=; 11.e4 Nc5 12.Ng5 Be2 13.Qe2 a4 14.f4 Nfd7 15.Nh3=; 11.a3 c6 12.h3 Bf5 13.e4 Be6 14.d4 ed4 15.Nd4=; 11.Qc2 Re8 12.h3 Bf5 13.e4 Be6 14.d4 ed4 15.Nd4+=; 11.Nd2 Be2 12.Qe2 a4 13.a3 Re8 14.Rad1 Nc5 15.Rfe1=; 11.h3 Bh5 12.Ng5 Be2 13.Qe2 h6 14.Nge4 Ne4 15.Ne4+=) 11...Nb6 12.c5 Nbd5 13.Nd5 Nd5 14.a3 Bf6 15.Qa4+=) 11.Nd2 (11.a3 c6 12.h3 Bh5 13.d4 Rc8 14.Rb1 Nc7 15.bc6+=; 11.a4 Rb8 12.Nd2 Nef6 13.f3 Bh5 14.Nb3 c6 15.f4+=; 11.h3 Bh5 12.Qc2 Nef6 13.Ng5 Be2 14.Qe2 Qc8 15.d4+=; 11.Rb1 Bf6 12.d4 c6 13.a4 Nc7 14.bc6 bc6 15.h3=; 11.Qc2 Nef6 12.Ng5 Be2 13.Qe2 Qc8 14.f4 Nc5 15.d4+=; 11.d4 e4 12.Nd2 Be2 13.Qe2 Bg5 14.f3 ef3 15.Qf3+=; 11.Rc1 f4 12.d4 fe3 13.fe3 ed4 14.ed4 Nb6 15.Nd2+=; 11.Re1 Bf6 12.Qd2 Nc5 13.h3 Bh5 14.d4 Ne4 15.Ne4=; 11.Qd2 Nc5 12.h3 Bh5 13.Rad1 a4 14.Qc2 Bf6 15.Ba3+=) 11...Be2 12.Qe2 f4 (12...a4 13.a3 Nef6 14.Rad1 Qe8 15.f4+=) 13.ef4 Rf4 14.Nd5 Rf7 15.f4 c6 16.Ne7 Re7 17.fe5 de5 18.Ba3 c5 (18...Qb6 19.Kh1 c5 20.Ne4+=) 19.Qf3+/– b6? (better is 19...Nc7+/–) 20.Qd5+– Kh8 21.Qd7! Nf6 (21...Qd7 22.Rf8; 21...Rd7 22.Rf8) 22.Qd8 (22.Qd8 Rd8 23.Ne4 Rd3 24.Bb2+–) 1–0. Kreuzer – Pracht, Lampertheim, 1986.

7.Nc3 c6 8.d4 e4 9.Ng5 Be2 10.Qe2 d5 11.cd5 cd5 12.a3 0–0 13.h4 (13.0–0!?+=) 13...Nb6–/+ 14.Nh3 Nc4 15.Nf4 Rc8 16.g4 (16.Rc1+=) 16...Qd7 (better is 16...Nb2 17.Qb2 Ng4–/+) 17.g5= Nb2 (17...Ne8 18.Nfd5 Ned6 19.Rg1=) 18.Qb2+= Ne8 19.Nfd5 Nd6 20.Ne7 (20.Qe2 f5+=) 20...Qe7= 21.Ne2 (21.Qb3 Rc4=) 21...Rc4 22.Rc1 Rfc8 23.Rc4 Rc4 24.Kd2 Rc6 25.Qb3 Nc4 26.Ke1 b5 27.Nc3 a6 28.a4 (28.Rg1 Nd6=) 28...Qb7 (28...ba4!? 29.Qa4 Ne5 30.de5 Rc3=) 29.ab5= ab5 30.Ne4 (30.h5=) 30...Nd6?? (30...Ra6!? 31.Ng3 Ra1 32.Ke2 Rh1 33.Nh1 Qh1–/+) 31.Nc5 (better is 31.Nd6 Rd6 32.Rg1+/–) 31...Rc5+= 32.bc5 Qh1 33.Ke2 Ne4 34.c6 (34.Qa3 h5 35.Qa8 Kh7=) 34...Qh4 35.c7? (better is 35.f4 Qg4 36.Kd3–+) 35...Nd6?? (better is 35...Qf2 36.Kd3 Nd6 37.c8Q Nc8–+) 36.Qd5+/– Qg4 37.Kd2 Qd7 38.c8R Qc8 (38...Nc8 39.Qd7 Double attack (39.Qd7 Pinning; 39.Qd7 Deflection; 39.Qd7 Decoy); 38...Qc8 39.Qd6 Deflection) 39.Qd6 g6 (39...Qf8 40.Qb6 b4 41.d5+=) 40.Qc5 Qa6 41.d5 1–0. Urdapilleta,Miguel – Herzog,Volker (1655), Lobau–Zittau KSK op, 2004.

7.Nc3 e4 8.Ng5 Be2 (8...Ne5 9.f3 (worse is 9.Nge4 Nd3 10.Bd3 Bd1 11.Rd1 c6–+) 9...ef3 10.Nf3=) 9.Qe2 (worse is 9.Ne2 h6 10.Bf6 Nf6–/+) 9...0–0 (9...d5 10.cd5 Ne5+/–) 10.Nge4+/– (worse is 10.Nce4 h6 11.h4 Re8+= (11...hg5? 12.hg5 Re8 13.gf6 Nf6 14.Ng5+–)) 10...Re8 (10...d5 11.Nf6 Nf6 12.Nd5 Nd5 13.cd5 Qd5 14.0–0+/–) 11.0–0 c6 (11...d5 12.Nf6 Nf6 13.Nd5 Nd5 14.cd5 Qd5 15.d3+/–) 12.Rac1 (12.a3 Ne4 13.Ne4 Nf6 14.Nf6 Bf6 15.Bf6 Qf6+/–) 12...Ne4 (12...c5 13.a3+/–) 13.Ne4 Nf6 (13...a5 14.b5+/–) 14.f3 (14.Bf6 Bf6 15.d3 Be7+/–) 14...d5 15.Nf6 Bf6 16.Bf6 Qf6 17.cd5 cd5 18.Rc5 (18.Qd3 Qb6+/–) 18...Qb2 (18...d4 19.e4+/–) 19.Rd5 Qa2 (19...Qb4 20.d4+/–) 20.Rd7 (20.Qd3 Rac8+/–) 20...Red8 (20...b6 21.b5+/–) 21.Qd3 (21.Rb7?? Rd2 22.Qd2 Qd2–+) 21...Rd7 22.Qd7 b5 23.Rc1 Rf8 24.Qd4 (24.Rc8 Qb1 25.Kf2 Qb4 26.Rf8 Qf8 27.Qb5 Qd8+–) 24...a6 25.Kf2 Qe6 26.Rc7 h6 (26...Qh6 27.Qc5 Qh4 28.Kf1+–) 27.e4 (27.Rd7 Qe8+–) 27...Re8 (27...Kh7 28.Qd7 Qe5 29.Qf5 Qf5 30.ef5+–) 28.h3 (28.Rd7 Qb3+–) 28...Re7 (28...Rf8!?+/–) 29.Re7+– Qe7 30.g3 (30.Qc3 Qh4 31.Kf1 Qe7+–) 30...Qc7 (30...Qe6 31.g4+–) 31.Qc3 Qd7 32.g4 Qd6 (32...g5 33.Ke3+–) 33.e5 Qe6 34.Qd4 (34.f4 Qd5+–) 34...Qe7 35.Kg3 (35.f4 Qh4 36.Kg2 Qe1+/–) 35...Kf8 36.f4 (36.Qc3 Qe6+–) 36...a5 37.ba5 Qa3 38.Kf2 Qa5 39.Qd7 (39.f5 Ke8+–) 39...b4+/– 40.Qc8 (40.d4 b3 41.Qc8 Ke7 42.Qb7 Ke8 43.Qb3 Qd2 44.Kf3 Qd4+–) 40...Ke7 41.Qb7 Kf8 42.Qb8 Ke7 43.Qd6 Ke8 44.Qc6 Kf8 (44...Kd8 45.Ke2+/–) 45.Ke2+– Qa3 46.Qc8 (46.f5 Qh3 47.Qc8 Ke7 48.Qc5 Ke8 49.Qb5 Kd8 50.Qb8 Kd7 51.e6 fe6 52.Qb7 Kd8 53.Qb6 Ke8 54.Qe6 Kf8 55.Qc8 Kf7 56.Qc4 Kf6 57.Qd4 Kf7 58.Qb4 Qg2 59.Kd3 Qf3 60.Kc2 Qc6 61.Kb3 g6=) 46...Ke7 47.Qc5 Ke8 48.Qb5 Kd8 (48...Ke7 49.f5 Qh3 50.f6 gf6 51.Qb4 Ke8 52.Qb8 (52.ef6?! Qg2 53.Kd3 Qf3 54.Kc2 Qf6+=) 52...Kd7 53.Qd6 Ke8 54.Qc6 Kf8 55.Qc8 Ke7 56.ef6 Kd6 57.Qb8 Ke6 58.Qb6 Ke5 59.Qe3 Qe3 60.Ke3 (60.de3?! Kf6 61.e4 Kg5=) 60...Kf6 61.Kf4+/–) 49.Qb8 (49.Qb6 Ke8+–) 49...Ke7 50.Qd6 (50.f5 Qa6 51.d3 Qa2 52.Ke3 Qb1 53.Qd6 Ke8 54.Qc6 Kd8 55.Qa8 Ke7 56.Qb7 Kd8 57.Qb6 Ke8 58.Qb5 Ke7+/–) 50...Ke8+/– 51.h4 (51.f5 Qh3 52.Qb8 Kd7 53.e6 fe6 54.Qb7 Kd8 55.Qb6 Ke8 56.Qe6 Kf8 57.Qc8 Kf7 58.Qc4 Kf6 59.Qd4 Kf7 60.Qb4 Qg2 61.Kd3 Qf3 62.Kc2 Qc6 63.Kb3 g6=) 51...Qa4 52.Qb8 Ke7 53.Qc7 Ke8 54.Qc8 Ke7 55.Qc4 Kf8 (55...Qa5 56.d4 Qb6 57.Kd3+–) 56.f5 White prepares the advance e6 (56.d4 g6+–) 56...Kg8 (56...Qa5 57.d4 Qa8 58.Qb4 Kg8 59.Ke3+–) 57.e6 fe6 58.fe6 Kf8 59.d4 (59.Qf4 Ke7 60.Qf7 Kd6 61.Qg7 Ke6 62.Qh6 Ke7 63.Qg7 Ke6 64.Qg8 Ke7 65.Qh7 Kf8 66.Qf5 Kg7 67.Qe5 Kf7+–) 59...Ke7 60.d5 Kd6 61.Ke3 g6 (61...h5 62.gh5 Qa1 63.Qb4 Kd5 64.e7 Qg1 65.Kd2 Qf2 66.Kc1 Qf1 67.Kb2 Qe2 68.Ka3 Qa6 69.Kb3+–) 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 (8...Re8 9.h3 Be6 10.Ng5 Nf8 11.Ne6 Ne6 12.Nd2 c6=; 8...c6 9.Nc3 Qb6 10.a3 d5 11.h3 Bf3 12.Bf3 dc4=; 8...Nb6 9.h3 Bf5 10.e4 Be6 11.Nbd2 Qe8 12.a4 a5=) 9.b5 a4 10.d4 e4 11.Nfd2 Be2 12.Qe2 c6=.

7.d3 0–0 8.a3 a5 (8...Re8 9.0–0 c6 10.h3 Bf3 11.Bf3 Qb6 12.Nc3 a5=; 8...Nb6 9.0–0 a5 10.Nbd2 Re8 11.b5 a4 12.e4 Nbd7=; 8...c6 9.0–0 a5 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 d5=; 8...a6 9.0–0 a5 10.Nc3 Nb6 11.b5 Re8 12.Nd2 Be2=; 8...c5 9.0–0 Qb6 10.Bc3 Rac8 11.Nbd2 Rfe8 12.h3 Be6=; 8...Be6 9.0–0 Nb6 10.Ng5 Bd7 11.Nc3 h6 12.Nf3 a5=) 9.0–0 ab4 10.ab4 Ra1 11.Ba1 c6 12.h3 Bh5=.

7.d3 0–0 8.0–0= Re8 (8...a5 9.b5=) 9.Nbd2 c6 10.Qb3 (10.h3 Bh5=) 10...Rc8 (10...a5 11.ba5 Nc5 12.Qb6+=) 11.a4 d5 (11...c5 12.h3 Be6 13.Ng5=) 12.cd5 (12.h3 Bh5=) 12...cd5 (12...Nd5 13.Nc4+=) 13.h3= Bh5 (13...Bf3 14.Nf3 Qc7 15.Rfc1=) 14.g4 Bg6 15.Ne5 Ne5 16.Be5 Qb6 (16...Bb4 17.Bf6 Qd6 18.Bd4 Bd2 19.Bf3+=) 17.b5+= Qa5 (17...Qe6 18.Bd4+=) 18.Nf3 h5 (18...Rc5 19.g5 Nd7 20.Bd4+/–) 19.Nh4 (19.g5 Nd7 20.Qd5 Ne5 21.Ne5+/– (21.Qe5?! Bf6 22.Qe8 Re8 23.gf6 gf6+=)) 19...hg4? (better is 19...Bh7!?+/–) 20.Ng6+– fg6 21.Bf6 (21.Bg4 Ng4 22.Qd5 Kf8 23.hg4 Rc5 24.Qf3 Kg8+–) 21...Bf6 (21...gf6 22.Qd5 Kh7 23.Bg4+–) 22.Qd5 Kh7 23.d4 (23.hg4 Ba1 24.Kg2 Re5 25.Rh1 Rh5 26.gh5 g5 27.Qf5 Kg8 28.Qc8 Kf7 29.Qb7 Kg8 30.Ra1 Qc3+–) 23...gh3 24.Bg4 (24.Qb7 Rc2 25.Bd1 Rc7+–) 24...Rc2 25.Qb7 (better is 25.Bh3 Qc7 26.Be6+–) 25...Bh4? (better is 25...h2!? 26.Kh2 Re3+/–) 26.Qf3 (26.Bh3 Rf8 27.f4 Qd2=) 26...Qd2? (26...h2 27.Kh2 Qd2+–) 27.Qh3 (27.Bh3?! Bf6+–) 27...g5 28.Bf5 Kh8 (28...Kg8 29.Rad1 Qc3 30.Qg4+–) 29.Bc2 (better is 29.Rad1 Qe2 30.Bd3+–) 29...Rf8 (29...Qc2 30.a5 Qg6+–) 30.Be4 g6 (30...Kg8 31.Bd5 Kh7 32.f4+–) 31.Rac1 Rf2 (31...Qb4+–) 32.Rc8 Kg7 (32...Rf8 33.Rcf8 Kg7 34.R1f7 Kh6 35.Rh8) 33.Qd7 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 (28.Rd5 Rf8+=) 28...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 White prepares the advance e5 37...Ke7 (37...Kf7 38.Rg1+–) 38.e5 (better is 38.Rg1!? Kf7 39.h5+–) 38...de5+/– 39.Rd7 (better is 39.fe5 g5 40.hg5 hg5 41.R1d2+/–) 39...Rd7+= 40.Rd7 Kd7 41.fe5 Ke6 42.Ke4 g5 43.hg5 (43.h5 g4 44.Kf4–+) 43...hg5 44.Kf3 Kf5 45.e6 Ke6 46.Kg4 (46.Ke4 Kf6–+) 46...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.d3 a5 8.b5 a4 9.0–0 0–0 10.a3 Nc5 11.Nc3 Re8 12.d4 ed4=.

7.d3 a5 8.h3 Bf3 9.Bf3=.

7.d3 d5 8.a3 dc4 (8...e4 9.Nfd2 Be2 10.Qe2 ed3 11.Qd3 dc4 12.Nc4 c5=) 9.dc4 e4 10.Ne5 Be2 11.Ke2 a5 12.Nd7 Qd7=.

7.d3 d5 8.c5 a5 (8...Bf3 9.Bf3 e4 10.Be2 ed3 11.Qd3 b6 12.Nc3 bc5=; 8...e4 9.de4 de4 10.Nd4 Be2 11.Qe2 a5 12.a3 ab4=) 9.a3 e4 10.de4 de4 11.Nd4 Be2 12.Qe2 ab4=.

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 (10.0–0 0–0=) 10...a5 11.0–0 ab4 12.c6 Ne5 (better is 12...bc6 13.Nc6 Qc8=) 13.cb7+– Rb8 14.f4 Qd7? (better is 14...Ne4 15.fe5 Rb7+–) 15.fe5 Ne4 16.Rf7 c5 17.e6 (17.e6 Qa4 18.Nf5 Rb7 19.Rg7+–) 1–0. Cuartero,Matute Alejandro – Gandarillas,Rodrigo, 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 (8.gf3 0–0 (8...ed4 9.Bd4 c5 10.Bc3 cb4 11.Bb4 d5 12.Be7 Qe7=; 8...a5 9.Rg1 0–0 10.b5 Re8 11.Nd2 c5 12.d5 a4=) 9.a3 a5 10.0–0 Re8 11.Nd2 ed4 12.Bd4 c5=) 8...ed4 (8...e4 9.Be2= 0–0 10.d5 a5 11.a3 ab4 12.ab4 Ra1+=) 9.ed4 (9.Bd4 c5 10.bc5 dc5+= 11.Bc3 Qc7 12.Na3 a6+=) 9...c6 (9...d5 10.a3 c6 11.cd5 Nd5 12.Bd5 cd5=) 10.0–0 (10.d5 cd5 11.cd5 0–0 (11...a5+= 12.b5 0–0+=) 12.0–0 Re8+=) 10...0–0 (10...d5 11.cd5 Nd5 12.b5= 0–0=) 11.Nc3 (11.d5 cd5 12.cd5 Rc8+=) 11...Nb6 12.Qb3 (12.Be2 Re8+=) 12...d5 13.c5 Nc4 14.Rad1 (14.Bc1 a5=) 14...a5 15.b5 a4 16.Qc2 a3 (16...cb5 17.Nb5 b6 18.Nc3 Nb2 19.Qb2 bc5 20.dc5 Bc5 21.Nd5 Nd5 22.Rd5+=) 17.Bc1+= cb5 (17...Qa5 18.Rfe1 Rfe8 19.Re2+/–) 18.Nb5+/– Ra5 (18...Qd7 19.Nc3 b5 20.Bg5+/–) 19.Nc3+– b5 20.Rfe1 Re8 21.Bg5 Nb2 22.Rb1 b4 23.Bf6 (23.Nd1 Ra6+/–) 23...Bf6+/– 24.Re8 Qe8 25.Ne2 Ra7 26.Bd5 Re7 27.Kf1 Qd8 28.Qb3 Qb8 29.g3 (better is 29.Bc6!?+/–) 29...Qb5= 30.Bf3 (better is 30.Qf3=) 30...Bd4–/+ 31.Qd5 Bc5 32.Rc1 Na4 (better is 32...Nd3!? 33.Rc4 b3 34.ab3 Rd7 35.Qa8 Bf8+=) 33.Qa8+= Re8 34.Qc6 Qc6 35.Bc6 Re2 36.Ba4?? (better is 36.Ke2 Nc3 37.Kd3+=) 36...Rf2–+ 37.Ke1 Rf5 (37...Rh2 38.Rc5 g6 39.Bb3+/–) 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 (50.Rc7 Re2 51.Kd3 Re3 52.Kd2 Rc3–+ (52...Rg3?! 53.Rc5 Rh3 54.Rc4–/+)) 50...Bf8 (50...f5 51.Kd5 Be7 52.Rb6 Bf6 53.Rb4 Rd2 54.Ke6 Re2 55.Kd5 Re5 56.Kd6–+) 51.Rb8 Bg7 (51...f5 52.Kd5 Rd2 53.Kc4–+) 52.Rb4 Rh2 (52...f5 53.Ke3 Rh2 54.Rb6 Bf6 55.h4–+) 53.Kf3 (53.Rb6 f6 54.Be6 h4 55.gh4 gh4–/+) 53...Rh3 (53...Be5 54.Rb6 f6 55.Be6–/+) 54.Kg2 g4 55.Bc2 (55.Rb6 Kf5 56.Bf7 Bf6+=) 55...Kh6 56.Rb3 Be5 57.Bf5 Kg5 58.Bb1 (58.Bd7 Bg3! 59.Rg3 Rg3 60.Kg3 h4 61.Kf2 f5–+) 58...h4 59.gh4 Rh4 (59...Kh4!? 60.Rh3 gh3 61.Kf3–+) 60.Ra3 Rh2 61.Kg1 g3 62.Ra5 f6 63.Rb5? (better is 63.Be4–+) 63...Rd2 64.a4 (64.Be4 Kf4 65.Bb7 Bd4 66.Kf1 Rf2 67.Ke1 Bc3 68.Kd1 g2 69.Bg2 Rd2 70.Kc1 Rg2–+) 64...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 (9.Nc3 Nb6 10.d3 d5=) 9...e4+= 10.Be2 0–0 (10...d5 11.cd5 cd5 12.Bc3=) 11.0–0 (11.d4 Re8=) 11...d5+= 12.Qb3 Bd6 (12...dc4 13.Bc4 Qb6 14.Bf6 Nf6 15.b5=) 13.d3 (13.c5 Bb8=) 13...Bb8 (13...dc4!? 14.dc4 Qb6=) 14.cd5+= Qc7 15.g3 cd5 16.Nc3 ed3 17.Bd3 Ne5 (17...Qc6 18.Rfd1+/–) 18.Be2 (18.Nd5 Nd5 19.Qd5 Nd3 20.Qd3 Qc8+/–) 18...Rd8 (18...Qd7 19.Kh2 Rd8 20.Rad1+=) 19.Rfe1 (19.Rfd1 Qd7+=) 19...Qd7 20.Rad1 Increasing the pressure on the isolated pawn on d5 1–0. Stecyk,Jozef (1730) – Szczur,Stanislaw, Zamosc POL, 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 Bf3 8.Bf3 e4 9.Be2 Ne5 (9...d5 10.cd5 0–0 11.Qb3=) 10.d3 ed3 11.Bd3 Nd3 12.Qd3 0–0 13.0–0 c6 14.Nc3 Qd7 15.Rad1 Rad8 16.Ne4 Qf5?? (better is 16...Ne4 17.Qe4 Qe6=) 17.Nf6+– (17.Nf6 Qf6 18.Bf6 Bf6 19.b5+–) 1–0. GuestHWSD – GuestFTND, freechess.org, 2017.

7.h3 Bf5 8.0–0 A) 8...0–0 9.a3 (9.d4 c6 10.de5 de5 11.Ne5 Bb4 12.a3 Bc5 13.Nd7=; 9.Nc3 c5 10.a3 e4 11.Ne1 d5 12.cd5 cb4 13.ab4+=) 9...a5 10.d4 ab4 11.ab4 Ra1 12.Ba1 c6 13.de5=; B) 8...a5 9.b5 c6 10.Nc3 0–0 11.d4 Rc8 12.Qb3 Re8 13.Rad1=.

7.h3 Bf5 8.a3 A) 8...0–0 9.0–0 (9.d4 a5 10.g4 Be4 11.g5 Ne8 12.Nc3 Bg6 13.h4=) 9...a5 10.d4 ab4 11.ab4 Ra1 12.Ba1 c6 13.de5=; B) 8...e4 9.Nd4 Bg6 10.0–0 c5 11.Nc2 Ne5 12.bc5 Nd3 13.cd6=; C) 8...c6 9.Nc3 (9.0–0 a5 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 0–0 13.d3=) 9...0–0 10.0–0 d5 11.d4 e4 12.Ne5 a5 13.Qb3=; D) 8...Nb6 9.d4 (9.0–0 0–0 10.Nc3 a5 11.d4 e4 12.Nd2 d5 13.c5=) 9...e4 10.Nfd2 a5 11.Nc3 ab4 12.ab4 d5 13.Ra8=; E) 8...a5 9.0–0 0–0 10.d4 c6 11.de5 de5 12.Ne5 Ne5 13.Be5=.

7.h3 Bf5 8.d3 0–0 (8...Nb6 9.Bc3 (9.e4 Bd7 10.0–0 0–0 11.Nc3 a5 12.a3 Be6 13.Ng5=; 9.a3 a5 10.b5 0–0 11.0–0 c6 12.Nc3 Rc8 13.Rb1=; 9.Nc3 0–0 10.0–0 a5 11.b5 a4 12.a3 Be6 13.Ng5=; 9.0–0 a5 10.ba5 Ra5 11.e4 Be6 12.Bc3 Ra4 13.Nbd2=; 9.Nbd2 0–0 10.0–0 Qd7 11.a4 a5 12.b5 Rfd8 13.e4+=) 9...0–0 10.0–0 Qe8 11.a4 Nbd7 12.a5 c5 13.b5+=; 8...a5 9.a3 (9.b5 0–0 10.0–0 Re8 11.e4 Be6 12.Ng5 Nc5 13.Ne6=) 9...0–0 10.0–0 ab4 11.ab4 Ra1 12.Ba1 c6 13.e4=; 8...c6 9.a3 (9.0–0 a5 10.b5 cb5 11.cb5 0–0 12.Nc3 d5 13.Nd5+=) 9...a5 10.Nbd2 Qb6 11.e4 Bg6 12.0–0 0–0 13.Qb3=) 9.0–0 (9.Nc3 a5 10.b5 Nb6 11.0–0 a4 12.a3 Be6 13.Ng5=; 9.Bc3 d5 10.0–0 dc4 11.dc4 Ne4 12.a3 c5 13.Be5+=; 9.a3 a5 10.0–0 ab4 11.ab4 Ra1 12.Ba1 c6 13.e4=; 9.a4 d5 10.0–0 dc4 11.dc4 Bb4 12.Ne5 Nc5 13.Nc3=; 9.Qd2 c6 10.0–0 a5 11.e4 Be6 12.ba5 Nc5 13.Ng5=; 9.Nbd2 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 c6 13.0–0=; 9.e4 Bg6 10.0–0 a5 11.b5 Ne8 12.Nc3 f5 13.ef5=) 9...Re8 (9...a5 10.b5 Nc5 11.d4 ed4 12.Nd4 Bg6 13.Nc3=) 10.Nc3 (10.e4 Bg6 11.Nh4 Nf8 12.Nd2 c6 13.Rb1=) 10...Bf8 (10...d5 11.Nd5 Nd5 12.cd5 Bb4 13.Rb1=) 11.Nd2 (11.e4 Bg6 12.a3 a5 13.Qc2=) 11...c6 (11...d5 12.Nd5 Nd5 13.cd5=) 12.Bf3 (better is 12.Qb3!?= a5 13.a3=) 12...Bd3–/+ 13.Be2 Be2 14.Qe2 d5 15.cd5 cd5 16.Qb5 Qb6 17.a3 a6 18.Qb6 Nb6 Rac1 Nfd7 (19...a5 20.b5–/+) 20.Rfd1 f6 (20...Rac8!?–/+) 21.Nf3 (21.Nb3 Rac8 22.Nd5 Nd5 23.Rd5 Nb6=) 21...Nc4 22.Rc2 (22.Rd5? Ndb6 23.Rc2 Rac8–+) 22...Ndb6 (22...e4 23.Nd4 (23.Rd5? Ndb6–+) 23...Re5 24.Nde2+=) 23.Nd5= Rad8 24.Nc3 (24.e4 f5 25.Re1 Nb2 26.Nb6 Nd3=) 24...Nb2 25.Rd8 (25.Rb2!? Rd1 26.Nd1+=) 25...Rd8–/+ 26.Rb2 Nc4 (26...Rd3!? 27.Rc2 Nc4–/+) 27.Rb3+= Rd3 28.Ne1 Rd2 29.Nb1?? (better is 29.e4+=) 29...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 (41.Ne1 Be3 42.Nc2 Bg1–+) 41...Kg6 42.g4 (42.Ne1 Kh5 43.Nd3 Kh4–+) 42...h5 43.Ne1 Nf4 44.Kc3 Bf2 45.Kd2 (45.gh5 Kh5 46.Nd3 Bd4 47.Kd2 Ne6–+) 45...Bh4 0–1. Kotsaga,Vasilisa – Ermokhina,Nadezhda, RUS–ch U14 Girls, 2000.

7.h3 Bf5 8.d4 0–0 (8...a5 9.b5 ed4 10.Nd4 Bg6 11.0–0 0–0 12.Nc3 Re8 13.Nd5=) 9.Nbd2 (9.Nh4 Be4 10.Nd2 ed4 11.Bd4 c5 12.Bc3 d5 13.a3+=) 9...c6 10.g4 Be6 11.e4 ed4 12.Nd4 c5 13.Ne6=.

7.0–0 0–0

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

8.Nc3 a5 9.a3=.

8.Nc3 c6 9.a3 Re8 10.d3 Rc8 11.Ng5 Be2 12.Qe2 h6 13.Nge4 d5 14.Ng3 Bf8 Black prepares e4 (14...a5 15.ba5 Qa5 16.Nf5=) 15.Qf3 (15.Nf5 a5=) 15...e4 16.de4 Ne5 17.Qe2 Nc4 18.ed5 Nb2 (18...cd5 19.Nb5 a6 20.Nd4=) 19.Qb2 (19.dc6 Bd6 20.Qb2 Bg3 21.hg3 Rc6+=) 19...cd5 20.Rfd1 Qd7 (20...Bd6 A) 21.Nd5 Be5 22.Qa2 Ba1 23.Nf6 Bf6 (23...Qf6?! 24.Qa1 Qa1 25.Ra1–/+) 24.Rd8 Rc1 (24...Red8?! 25.Kf1=; 24...Rcd8?! 25.Kf1=) 25.Nf1 Rd8–+ (worse is 25...Bd8 26.Qd2 Rc7 27.Qd6+=); B) 21.Rac1=) 21.Rd4 (better is 21.Nd5 Nd5 22.Qb3+/–) 21...Rc4? (21...Qc6!? 22.Rc1 Bd6=) 22.Rad1 (22.Nd5!? Rd4 23.Nf6 gf6 24.Qd4 Qd4 25.ed4 Kh7+–) 22...Rec8 (22...Rd4 23.Rd4 (worse is 23.ed4 Bd6+=) 23...Qc6 24.Qd2+=) 23.Rc4 Rc4 24.Qd2 Qc6 25.Nd5 Nd5 26.Qd5 Qd5 27.Rd5 Rc3 28.Rd7 Ra3 29.Rb7 Bd6 30.Nf1 Ra4 Attacking the isolated pawn on b4 31.b5 Bc5 32.g3 (32.Rb8 Kh7=) 32...Bb6 33.Nd2 Rb4 34.Kg2 Rb5 (34...g5 35.Nf3 Rb5 36.Nd4+=) 35.Nc4 f6 36.Nd6 (worse is 36.Nb6 ab6 37.f4 f5=) 36...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 (10.Qe2 d5=) 10...Ne5+= 11.Qb3 c6 12.Ng3 d5 13.cd5 cd5 14.Nf5 (14.Nce4 Ne4 15.Be5 Nd2 16.Qb2 Nf1 17.Rf1–/+) 14...Nd3+= 15.Ba3 (15.a3 Rc8+=) 15...Re8–/+ 16.Ne7 (16.b5 Ba3 17.Qa3 a6–/+) 16...Re7 17.b5 Rd7 18.Bb2 (18.f3 Rc8–/+) 18...Qc7 (18...Rc8 19.f3–/+) 19.Na4 (19.f3 Rc8–/+) 19...Ng4 Do you see the mate threat? 20.g3 (20.f4 ef3 21.g3 f2 22.Kh1 Qc4–+) 20...Qd6 (20...Qc4 21.Qd1 Nh6 22.Qb3–+) 21.f3–/+ Nge5 22.fe4 (22.Bd4 Rc7–/+) 22...de4–+ 23.Qc3 (23.Be5 Ne5 24.Rac1 Nf3 25.Rf3 ef3–+) 23...Nb2 (23...Rad8 24.Rab1–+) 24.Nb2 Nf3 25.Kg2 (25.Kh1 Qd2 26.Qd2 Rd2 (26...Nd2?! 27.Rfd1–+) 27.Rf3 ef3–+ (27...Rb2?! 28.Rf4–/+)) 25...Qd2 26.Qd2 Rd2 27.Rf2 Rf2 28.Kf2 Rc8 29.Rd1?? (29.Kf1–+) 29...Rc2 30.Kf1 Threatening mate... how? 30...Nh2 31.Kg1 (31.Ke1 Nf3 32.Kf1 f5 33.Rd8 Kf7–+) 31...Nf3 32.Kf1 Do you see the mate threat? 32...g6 33.Rd8 Kg7 34.Nd1 Rc7 (34...Nh2!? 35.Ke1–+) 35.Nf2 (35.a3 Rc2–+) 35...f5 36.g4 (36.a3 h6–+) 36...Kf6 (36...Nh2 37.Kg2 Ng4 38.Ng4 fg4 39.a3–+) 37.Rd5 (37.Kg2 Rc2–+) 37...Ke6 38.Rd8 Ne5 (38...Nh2!? 39.Kg2 Ng4 40.Ng4 fg4 41.a3–+) 39.gf5 gf5 40.Nh3 (40.Re8 Kd5–+) 40...Ng6 (40...Rc2 41.Nf4 Ke7 42.Rh8–+) 41.Ng5 Kf6 42.Nh3 b6 (42...Rc2 43.Rd7 h5 44.Rd6 Kg7 45.Rd7 Kh6 46.Rb7 Ra2 47.Rf7–+) 43.Rd4 (43.Ke2 Rc2 44.Rd2 Rd2 45.Kd2 Ke5–+) 43...Rc1 44.Ke2 Rc2 45.Rd2 Rd2 46.Kd2 h6 (46...h5 47.a3–+) 47.Kc3 (47.a3 Ke5–+) 47...Ke5 Black prepares the advance f4 48.a4 (48.Nf2 h5–+) 48...f4 49.Kd2 (49.ef4 Nf4 50.Nf2 Nd5 51.Kc2 h5–+) 49...f3 50.Nf2 h5 51.Kc3 (51.Ke1 h4–+) 51...Ne7 (51...h4 52.Kd2–+) 52.Kc4 (52.Kd2 h4–+) 52...Nd5 (52...Nd5 53.Nd1 h4–+) 0–1. Karali,A – Adondakis,Hristina (2020), GRE–chT, 2002.

8.d3 a5 9.b5 a4 10.d4 e4 11.Nfd2 Be2 12.Qe2 c6=.

8.d3 a5 9.b5 c6 10.Nc3 Nc5 11.d4 ed4 12.Nd4 Be2 13.Qe2 Qd7 14.Rad1 Rad8 (14...a4 15.Qf3 a3 16.Bc1+=) 15.Qf3 d5 (15...Ne6 16.Nf5 Rfe8 17.e4+/–) 16.Nf5+– Nce4?? (better is 16...Rfe8+–) 17.Ne4 Ne4 18.cd5 cd5 (18...Bf6 19.dc6 Qe6 20.Bf6 Nf6+–) 19.Rd5!! Qe6 (19...Qd5 20.Ne7 (20.Ne7)) 20.Re5 Nd2 (20...Bg5 21.Re6 fe6 22.Qe4 ef5 23.Qb7+–) 21.Qg4 (21.Re6?! Nf3 22.gf3 fe6 23.Ne7 Kf7+/–) 21...Qf6 (21...Bf6 22.Re6 Bb2+–) 22.Ne7 Kh8 23.Rh5 (23.Rh5 Rd6 24.Bf6 Rf6 25.Rf5+–) 1–0. pereira – omkolthom, chesshere.com, 2006.

8.d3 Nb6 9.h3 Be6 10.Ng5 Bd7 11.Nc3 a5 12.b5 a4=.

8.d3 c5 9.b5 a6 10.a4 ab5 11.ab5 Qb6 12.Nc3 Ra1 13.Ba1 Ra8 14.Na4 (14.Ng5 Be2 15.Qe2 Qd8+=) 14...Qd8 15.Qc2 h6 16.Bb2 Nb6 (16...Qc7 17.Nc3=) 17.Nb6 Qb6 18.Ra1 Ra1 19.Ba1 Qa5 20.Bb2 Bf3 21.Bf3?? (better is 21.gf3 Qc7 22.Qc3=) 21...Qe1 0–1. Goldmund,Heike – Martinez Camacho,Victor Hugo, FICGS, 2015.

8.d3 c6 9.a3 a5 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 d5=.

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 (32.Rc1 Ne8 33.Rc8+–) 32...Qe8+= 33.Qe8 (33.Nd8!?+=) 33...Ne8+= 34.Nc5 (34.Nf4!?+=) 34...Nc7–/+ 35.Rd1 Na6 (35...Kg7!?–/+) 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?? (better is 53.Kf1=) 53...Kg4–+ 54.Kg2 Kh4 55.f3 e3 56.Kf1 (56.f4 Kg4 57.f5–+) 56...Kg3 57.Ke2 Kf4 0–1. Fournier,Frederic (1920) – biomagus (1855), Active, 2011.

8.d3 Re8 9.Nbd2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 c6=.

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 (35...Qe6 36.Bb8 a5+–) 36.Qf5 (better is 36.Qg6 Bf6 37.Bf6 Qd1 38.Kh2+–) 36...Ke8+/– 37.Qg6 Kd7 38.f4 (38.h4 gh4 39.Qf5 Ke8 40.Qh5 Kd7=) 38...gf4 (38...Kc8 39.Bd6 Bf6 40.e4 Bd4 41.Kg2 gf4 42.Bf4=) 39.ef4 (better is 39.Qd3!? Kc8 40.Qd8 Bd8 41.ef4+/–) 39...Kc8= 40.Qe6 Qd7? (better is 40...Nd7!?+=) 41.f5+– Qe6 42.fe6 a5 43.Bd6 Bd6 44.cd6 ab4 45.ab4 Na6 46.g5 Nb4 47.e7?? (better is 47.g6 Nd5 48.g7+–) 47...Kd7+/– 48.h4 Nd5 49.h5 (49.Kf2 c5 50.Kf3 c4+=) 49...Ne7?? (better is 49...Nf4 50.h6 Nh3 51.Kf1 Ng5–/+) 50.de7+= Ke7 51.h6 Kf7 52.h7 Kg7 53.g6 b5 (53...Kg6 54.h8Q Combination) 54.Kf1 b4 55.Ke2 c5 56.Kd1 c4 57.Kc2 ½–½. Latka,Tadeusz – Kosztyla,Andrzej (1680), Mistrzostwa KKSz Seniorow Krakow POL, 2010.

8.d3 Re8 9.Nbd2 c6 10.Qc2 a5 11.a3 A) 11...d5 12.c5 (12.Bc3 ab4 13.ab4 Qc7 14.h3 Bh5 15.g4 Bg6 16.Qb2 dc4 17.dc4=) 12...ab4 13.ab4 Qc7 14.h3 Bh5 15.Rfe1 Bf8 16.g4 Bg6 17.Nh4=; B) 11...ab4 12.ab4 Qb6 13.Bc3 d5 14.c5 Qc7 15.h3 Bh5 16.Rfe1 Red8 17.Bb2=; C) 11...Qc7 12.Ne4 (12.d4 ed4 13.Bd4 c5 14.bc5 dc5 15.Bc3 Bd6 16.h3 Be6 17.Rfd1=; 12.h3 Bh5 13.d4 ed4 14.Bd4 c5 15.bc5 dc5 16.Bc3 Bg6 17.Qa4=) 12...b6 13.h3 Ne4 14.hg4 Ng5 15.Ng5 Bg5 16.Bf3 Ra7 17.Rfc1+=; D) 11...Qb6 12.Bc3 ab4 13.ab4 d5 14.c5 Qc7 15.h3 Bh5 16.Rfe1 Ra1 17.Ra1=.

8.d3 Re8 9.Nbd2 c6 10.Qc2 Qb6 11.Rfb1 A) 11...d5 12.a3 (12.h3 Bf3 13.Nf3 Qc7 14.a3 Rad8 15.cd5 Nd5 16.d4 e4 17.Qe4=) 12...Bf8 13.h3 Bh5 14.g4 Bg6 15.Nh4 Qd8 16.Ng6 hg6 17.c5+=; B) 11...Qc7 12.a3 (12.h3 Bh5 13.a3 a5 14.ba5 Ra5 15.Bc3 Ra6 16.g4 Bg6 17.Nh4=) 12...c5 13.h3 Be6 14.Ng5 Bf5 15.Ndf3 cb4 16.ab4 Bg6 17.Nh4=; C) 11...Bd8 12.a4 (12.Bc3 d5 13.a4 Qc7 14.h3 Bh5 15.b5 d4 16.Bb2 cb5 17.ab5=; 12.a3 d5 13.h3 Bf5 14.e4 Bg6 15.ed5 cd5 16.Nh4 Nf8 17.Bf3=; 12.h3 Bh5 13.a4 a5 14.ba5 Qa5 15.Bc3 Qa6 16.a5 d5 17.Bf1=) 12...a5 13.h3 Be6 14.ba5 Qa5 15.d4 Be7 16.Bc3 Qc7 17.de5+=; D) 11...a5 12.h3 (12.ba5 Qa5 13.Nb3 Qa4 14.e4 Nc5 15.Ne1 Be2 16.Qe2 Ne6 17.Nf3=) 12...Bh5 13.ba5 Qa5 14.a4 Qc7 15.g4 Bg6 16.Nh4 Nf8 17.Ng6=.

8.d3 Re8 9.Nbd2 c6 10.Qc2 Qb6 11.Bc3 A) 11...Rad8 12.a3 (12.Rae1 Bf8 13.h3 Bf3 14.Nf3 d5 15.a3 dc4 16.dc4 c5 17.Rb1=; 12.Rfe1 Qc7 13.h3 Bf3 14.Bf3 d5 15.a4 Qd6 16.a5 d4 17.ed4=; 12.Rab1 Qc7 13.h3 Bh5 14.g4 Bg6 15.Nh4 Nf8 16.f4 ef4 17.Rf4=) 12...d5 13.h3 Bf3 14.Nf3 Qc7 15.Rfd1 c5 16.bc5 Bc5 17.d4=; B) 11...Qc7 12.a3 (12.h3 Bh5 13.a3 d5 14.Rfc1 Qd6 15.cd5 cd5 16.Qb2 Bf8 17.Nb3=; 12.d4 ed4 13.Nd4 Be2 14.Ne2 d5 15.Rad1 Rad8 16.cd5 Nd5 17.a3=; 12.a4 d5 13.h3 Bh5 14.a5 d4 15.ed4 ed4 16.Nd4 Be2 17.Ne2=) 12...d5 13.h3 Bh5 14.Rfc1 Bd6 15.g4 Bg6 16.g5 d4 17.ed4+=; C) 11...d5 12.a3 (12.h3 Bh5 13.a3 Qc7 14.Rfc1 Bd6 15.c5 Be7 16.g4 Bg6 17.Nh4=; 12.c5 Qc7 13.h3 Bh5 14.g4 Bg6 15.Nh4 b6 16.Ng6 hg6 17.d4=; 12.Rfb1 Qc7 13.h3 Bh5 14.Rc1 Rac8 15.g4 Bg6 16.Nh4 d4 17.Ng6+=) 12...Qc7 13.h3 Bh5 14.Rfc1 Bd6 15.cd5 cd5 16.g4 Bg6 17.g5+=; D) 11...c5 12.bc5 Nc5 13.Rfb1 Qc7 14.d4 ed4 15.Bd4 Rac8 16.h3 Bd7 17.Bd3=.

8.d3 Re8 9.Nbd2 c6 10.Qc2 d5 A) 11.Rfb1 Bb4 12.Be5 (12.cd5 Nd5 13.Nc4 Qc7 14.h3 Bh5 15.Rc1 Rad8 16.Rab1 Bd6 17.a4–/+) 12...Bd2 13.Bf6 Qf6 14.Qd2 dc4 15.dc4 b6 16.Rd1 Rad8 17.Qd6+=; B) 11.a3 B1) 11...Bd6 12.Rae1 (12.c5 Bc7 13.Rfe1 Qe7 14.h3 Bh5 15.e4 d4 16.Nh4 Be2 17.Nf5=; 12.h3 Be6 13.Ng5 Bf5 14.e4 Bg6 15.c5 Bc7 16.Ngf3 Nh5 17.g3=; 12.Rfd1 Qe7 13.h3 Be6 14.c5 Bc7 15.Ng5 Bf5 16.e4 Bg6 17.Re1=) 12...b6 13.h3 Bh5 14.g4 Bg6 15.g5 Nh5 16.cd5 cd5 17.Qc6+=; B2) 11...Bh5 12.Rfe1 (12.Rae1 Bd6 13.c5 Bc7 14.e4 a5 15.Ra1 d4 16.Rfb1 ab4 17.ab4=; 12.Rfb1 Bd6 13.e4 Qc7 14.Qb3 d4 15.c5 Be7 16.Ng5 Rf8 17.Bh5+=; 12.Rfc1 Bd6 13.c5 Bc7 14.Re1 Bg4 15.h3 Bh5 16.e4 Bf3 17.Bf3=) 12...Bd6 13.c5 Bc7 14.e4 Bf3 15.Bf3 d4 16.Reb1 Qe7 17.Bc1=; B3) 11...Bf8 12.h3 (12.c5 Qc7 13.h3 Bh5 14.g4 Bg6 15.Nh4 b6 16.Ng6 fg6 17.d4=; 12.Rfb1 Bd6 13.c5 Bc7 14.h3 Bf3 15.Nf3 Qe7 16.d4 e4 17.Nd2=; 12.Rab1 a5 13.ba5 Qa5 14.h3 Bh5 15.g4 Bg6 16.g5 Nh5 17.cd5+=) 12...Bh5 13.g4 Bg6 14.Nh4 Bd6 15.Ng6 fg6 16.Bf3 Qe7 17.g5+=; B4) 11...a5 12.c5 (12.Bc3 ab4 13.ab4 Qc7 14.h3 Bh5 15.g4 Bg6 16.Qb2 dc4 17.dc4=) 12...ab4 13.ab4 Qc7 14.h3 Bh5 15.Rfe1 Red8 16.Ra8 Ra8 17.Qc3=.

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 (17...c5!?+=) 18.Bf6+/– gf6 19.Kh1 Re6 (19...d5 20.cd5 (20.ed5?! cd5 21.Rd5 Qc4 22.Rd8 Rd8=) 20...Bb4 21.Rd4+/–) 20.Nc3+– Rde8 (20...Ree8 21.Qg3+–) 21.a3 d5? (better is 21...a5+–) 22.cd5 cd5 23.Nd5 Qc6 (23...Qb8+–) 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 (10...a5 11.b5=) 11.Nf5+= Ne5 (11...a5 12.b5+=) 12.Rd1+/– Ng6 (12...Qe8 13.c5+/–) 13.Qf3 Rb8 (13...Ne8 14.Bd4+/–) 14.Bd4 b6 15.Nc3 Re8 (15...a5 16.Ne7 Qe7 17.Bf6 Qf6 18.Qf6 gf6 19.Nd5+/–) 16.a4 (16.Nb5 a5 17.Na7 ab4+–) 16...a6 17.e4 Qc8 18.b5 (18.Ne7 Ne7 19.Bf6 gf6+–) 18...a5 (18...Ra8 19.Rac1+–) 19.Rac1 Kh7 (19...Bd8 20.Nh6! gh6 21.Bf6 Bf6 22.Qf6+–) 20.Nd5 Bd8?? ( 20...Nd5 21.cd5 Bf8+–) 21.Bf6 Bf6 22.Nf6 gf6 (22...Kh8 23.Ne8 Qe8 24.Rd5+–) 23.Qh5 (23…Qf5 24.ef5+–) 1–0. mrkt – Tuatara, ChessWorld.net, 2004.

8.d4 e4 9.Nfd2 Be2 10.Qe2 c6 (10...d5 11.a3 dc4 12.Nc3=) 11.Nc3 d5 12.a3 b6 (12...a5 13.b5=) 13.f3 c5 (13...ef3 14.Qf3 a5 15.ba5 Ra5 16.cd5 cd5 17.Nb3+=) 14.bc5 (14.fe4 de4 15.bc5 Rb8+/–) 14...bc5 (14...ef3 15.Rf3 (worse is 15.gf3 bc5 16.Nd5 Nd5 17.cd5 Bf6+=; 15.Qf3?! bc5 16.Nd5 Nd5 17.Qd5 Rb8+/–) 15...dc4 16.c6+– (16.Qc4 bc5 17.d5 Ne5–/+)) 15.cd5 (15.Nd5 Nd5 16.cd5 ef3 17.Qf3 Rb8+/–) 15...cd4 16.ed4 ef3 17.Nf3 Bd6 18.a4 (18.Rae1 Nb6+=) 18...Re8 19.Qd2 Bb4 20.Qg5 Bc3 (20...Nb6 21.Rae1=) 21.Bc3 Ne4 (21...Nb6 22.Rae1=) 22.Qd8+= Rad8 23.Bb4 (23.Ba5 Rc8+=) 23...Ndf6 24.Ne5 Rd5 25.Nc6 Rd7 26.Rf5 Nd5 27.Re5 Threatening mate: Rxe8 27...Re5 28.Ne5 Rb7 29.Rc1 The mate threat is Rc8 29...h6 30.Be1 (30.Bc5 Nec3 31.Ra1 f6=) 30...Nf4 (30...Kf8 31.Rc8 Ke7 32.Kf1+=) 31.Kf1 (31.Rc8 Kh7 32.Kf1 Rb2=) 31...f6 32.Nf3 (32.Rc8 Kh7 33.Nc6 Rb2=) 32...Rb2 33.Rc8 Kh7 34.g3 (34.Ra8 Ng2 35.Ra7 Ne3 36.Kg1 Rg2 37.Kh1 Nf2 38.Bf2 Rf2–+) 34...Nd5+= 35.Re8 Ne3 36.Kg1 f5 37.Nh4 (37.Nd2 Nd2 38.Re3 Ne4=) 37...Rb1 Threatening mate... how? 38.Nf3 Rb2 (38...a6 39.h3+=) 39.Nh4–/+ Re2 Do you see the mate threat? 40.Ba5 (40.Nf3 Rg2 41.Kh1 a6+=) 40...Ra2 Do you see the mate threat? 41.Nf5?? (better is 41.h3–/+) 41...Ra1 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 (13.bc6 bc6 14.f3 ef3 15.Qf3 Bb4=) 13...ab5 14.ab5 Qc7 15.Rfc1 Bb4 16.cd5 Bc3 (worse is 16...cd5 17.Nd5 Qd6 18.Nf6 Nf6 19.Nc4+/–) 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 (25...Rc8 26.Qf1=) 26.Qc2 Kg7 27.g3 (27.h3 Qa7+=) 27...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 (13...Nb4 14.a3 Nc6 15.Rd1+=) 14.Nf6 Bf6 15.Qd2 (15.a3 Rc8=) 15...Qb6 (15...Rc8 16.Rd1= (worse is 16.Qd5 Bb2 17.Nd2 Ba1 18.Ra1 Qf6–+)) 16.Bf6 (worse is 16.Qd5 Bb2 17.Nd2 Ba1 18.Ra1 Qb4–+) 16...Nf6 17.a3 (17.Nc3 Rfc8=) 17...Rac8 (17...a5 18.Ra2=) 18.Nc3 a5 (18...Rc6 19.Rac1+=) 19.Rfb1 ab4 20.Rb4 Qc6 (20...Qc5 21.Ne2 Qe5 22.Rd1+=) 21.Rb3 (21.Nb5 Ne4 22.Qb2 Qd5+=) 21...Rfd8 22.Rab1 h6 (22...Rd7 23.Nb5 Ne4 24.Qd1+=) 23.h3 (23.Qb2 Rd7+=) 23...Rd7 24.Nb5 Exerts pressure on the isolated pawn 24...Qe4 25.Nd4 (worse is 25.Nd6 Qe6 26.Rd3 Rcd8+=) 25...Nd5 (better is 25...Rcc7+=) 26.Rb7?? (better is 26.Rd1+=) 26...Rb7–+ 27.Rb7 Ne3 28.fe3 (28.Qe3 Qb7 29.Kh2 Qd5–+) 28...Qb7 29.Kh2 (29.Kf2 Qe4–+) 29...Qe4 30.Nf3 (30.Kg1 Ra8 31.Nc2 d5–+) 30...d5 31.Qd4 (31.Nd4 Re8–+) 31...Qd4 (31...Rc2 32.Qe4 de4 33.Nd4–+) 32.Nd4 Rc3 33.Nb5 (33.Nf5 Kf8–+) 33...Re3 34.a4 Rb3 0–1. de Vries,H – van der Brink,Geurt, 2001.

8.h3 Bf3 9.Bf3 e4=.

8.h3 Bh5 9.d3 c6 10.Nbd2 h6 11.a4 Qc7 12.Qc2 (12.a5 d5 13.c5 b6 14.cb6 ab6 15.ab6 Qb6 16.Ne5 Ne5 17.Ra8 Ra8 18.Be5 Be2 (worse is 18...Bb4 19.Bf6 Be2 20.Qe2 gf6 21.Qg4 Kh7 22.Nf3+/–) 19.Qe2 Ra2= (worse is 19...Bb4 20.Bf6 gf6 21.Qg4 Kh7 22.Nf3+/–)) 12...Bg6 (12...d5 13.Bc3=) 13.e4 (13.a5 d5 14.c5 Rfe8=) 13...Rfc8 (13...a5 14.b5=) 14.Rfc1 (14.Rfb1 Nh5=) 14...Qd8 (14...a5 15.b5=) 15.Qd1 (15.a5 d5+=) 15...Nf8 (15...a5 16.b5=) 16.Nh4 (16.c5 Qc7=) 16...Bh7 17.Bg4?? (better is 17.Ndf3=) 17...Ng4–+ 18.Qg4 Ng6?? (better is 18...Bh4 19.Nf3 Be7–+) 19.Nf5 (19.Ng6 Bg6 20.Nf3 a5+=) 19...Bf8 (19...Bg5 20.Rd1=) 20.f4 (20.d4!?+=) 20...ef4 (20...h5 21.Qg3+=) 21.Nf3 (21.Rab1=) 21...f6 (21...d5!?+=) 22.N3h4= Qe8 23.Rf1 (23.Ng6 Qg6 24.Qf4 d5=) 23...Kh8 (better is 23...d5+=) 24.Nh6?? (24.Ng6!? Qg6 25.Qf4+=) 24...gh6 (better is 24...Ne5!? 25.Qe2 gh6 26.Rf4 d5–/+) 25.Bf6= Bg7 (better is 25...Kg8=) 26.Bg7+/– Kg7 27.Rf4 (better is 27.Nf5!? Kf6 28.Rf4+–) 27...Kh8+= 28.Rf6 (28.Ng6 Qg6 29.Qg6 Bg6=) 28...Nh4 (28...Ne5 29.Qf4 Qe7 30.Qh6+=) 29.Qh4+= Qe5 30.Raf1 (30.Rd1 Qd4 31.Kh1 Rf8 32.Rh6 Rf7=) 30...Rg8 (30...h5 31.Rf7 Bg6 32.Re7 Qd4 33.Kh2+=) 31.Rh6 (better is 31.Qh6!? Rg7 32.Rf8 Rf8 33.Rf8 Rg8 34.Qf6 Qf6 35.Rf6+/–) 31...Rg7 (31...Qd4 32.Qf2 Rg2 33.Kg2 Qg7 34.Kh2 Qh6 35.Qf6 Qf6 36.Rf6=) 32.Rf4 (32.Qf6 Qg3 33.Qf3 Qe5+=) 32...Rag8 33.Rg4 Qd4 34.Kh1 Qd3?? (better is 34...d5=) 35.Rh7! Rh7 (35...Rh7 36.Qf6 Mate attack) 36.Rg8 (36.Qf6 Rgg7 37.Qf8 Rg8 38.Rg8) 36...Kg8= 37.Qg5?? (better is 37.Qd8 Kg7 38.Qd7 Kh6 39.Qe6 Kg7 40.Qd7 Kg6 41.Qf5 Kg7 42.Qd7=) 37...Rg7–+ 38.Qd8 Kh7 39.Qh4 Kg8?? (better is 39...Kg6 40.Qg4 Kf6 41.Qf4 Ke7–+) 40.Qd8= Kf7 41.Qd7 Kf6 42.Qf5?? (better is 42.e5 Kg6 43.Qg4 Kf7 44.Qd7 Kg8 45.Qd8 Kh7 46.Qh4 Kg8 47.Qd8 Kh7 48.Qh4 Kg8 49.Qd8=) 42...Ke7–+ (42...Ke7 43.c5 Qb1 44.Kh2 Qb2 45.cd6 Kd6 46.Qf4 Ke6 47.Qf5 Ke7 48.Qc5 Ke8 49.Qh5 Kd8–+) 0–1. GuestFRGY – GuestPTMX, freechess.org, 2016.

7.h3 Bh5

8.0–0 0–0 9.d4 (9.Nc3 d5 10.Nd5 Nd5 11.cd5 Bb4 12.Ne5 Be2 13.Qe2 Ne5 14.Be5 f6+=) 9...e4 10.Nfd2 Be2 11.Qe2 c6 (11...d5 12.b5 Nb6 13.c5+=) 12.Nc3 d5 13.c5 (13.a3 a5 14.b5 Re8=) 13...b5 (13...b6 14.f3 a5 15.a3 (worse is 15.fe4 ab4 16.Ncb1 bc5–/+) 15...ef3 16.Qf3=) 14.cb6 (14.a4 a5 15.ab5 ab4 16.Na2+/–) 14...ab6 (14...Qb6 15.Rab1+=) 15.a3 (15.b5 cb5 16.Nb5 Qc8+=) 15...b5 (15...Bd6 16.b5 cb5 17.Nb5+=) 16.Nb3 (16.Rac1 Bd6+=) 16...Qc7 (16...Bd6 17.f3+=) 17.Rac1= Qb6 18.Qc2 (18.f3 ef3 19.Qf3 Rae8=) 18...Rfc8 19.Na5 (19.f3 ef3 20.gf3 Bd6+=) 19...Nb8 (19...Bd6 20.Nb3+=) 20.Ne2 c5?? (better is 20...Bd6+=) 21.dc5+/– Bc5?? (better is 21...Qd8+/–) 22.Nb3+– (22.bc5?! Qa5 23.Bf6 gf6+/–) 22...Nbd7 23.Nc5 Qa7 (23...Qd8 24.Rfd1+–) 24.Nd4 Rab8 25.Qe2 Qb6 (25...Nc5 26.bc5 Qd7+–) 26.Nd7 Nd7 27.Rc8 Rc8 28.Qb5 (28.Qg4!? Rd8 29.Ne6 g6 30.Nd8 Qd8+–) 28...Qb5 29.Nb5 Rc2 30.Bc3 (30.Bd4 Ra2+–) 30...Nb6 (30...f6 31.a4+–) 31.Rd1 f6 (31...h6 32.Bd4 Na4 33.Ba7+–) 32.Rd2 (32.Bd4 Nc4+–) 32...Rc1 33.Kh2 Kf7 34.Bb2 (34.Kg3 Ke7+–) 34...Rb1 (34...Rc6 35.Bd4 Nc4 36.Ra2+–) 35.Nc3 Re1 36.Nd5 Nc4 (36...Nd5 37.Rd5 Re2 38.Bd4+–) 37.Rc2 Nd6 (37...Nb2 38.Rb2 Ra1 39.b5 Ra3 40.b6+–) 38.Rc7 Kg6 39.Nf4 Kh6 40.g4 g5 (40...Rb1 41.g5 Kg5 42.Rg7 Kh6 43.Bf6+–) 41.Nh5 (41.Ne6 Ne8 42.Rf7 Kg6 43.Rd7 Kh6 44.Nf8 Ng7 45.Bf6 Rh1 46.Kh1 Nf5 47.Rh7) 41...Re2 42.Bf6 Rf2 43.Kg1 Rd2 (43...Rf6 44.Nf6 Nb5 45.Rc6+–) 44.Bg7 (better is 44.Be7!? Kg6 45.Rc6 Kf7 46.Rd6 Rd3+–) 44...Kg6 45.Rc6 (better is 45.Bd4 Ne8 46.Re7 Rd1 47.Kf2 Rd3+–) 45...Kf7 46.Bd4 (46.Bh6 Ke6+–) 46...Nb5 47.Rf6 Ke7 (47...Ke8 48.Ng7 Kd7 49.Ne6 Nd4 50.ed4+–) 48.Bc5 Kd7 (48...Kd8 49.Rf8 Kc7 50.Nf6+–) 49.Ra6 (49.Rf7!? Kc6+–) 49...Nc3 50.Nf6 Kc7 51.Ra7 (51.Nh7?! Rd1 52.Kf2 Rd2 53.Kf1 Rd1 54.Kg2 Rd2 55.Kh1 Rd1 56.Kh2 Rd2 57.Kg3 Ne2 58.Kf2 Nc3 59.Ke1 Rd1 60.Kf2 Rd2=) 51...Kc6 52.Rh7 (52.Nh7 Rd1 53.Kg2 Rd2 54.Kf1 Rd1 55.Kf2 Rd2 56.Kg3 Ne2 57.Kh2 Nc3 58.Kh1 Rd1 59.Kg2 Rd2 60.Kg3 Ne2 61.Kf2 Nc3 62.Ke1 Rd1 63.Kf2 Rd2=) 52...Ne2?? (better is 52...Rd1 53.Kf2 Rd2 54.Kf1 Rd1 55.Kg2 Rd2 56.Kh1 Rd1 57.Kh2 Rd2 58.Kg3 Ne2 59.Kf2 Nc3 60.Ke1 Rd1 61.Kf2 Rd2=) 53.Kf1+– Nc3 54.Bd4 (better is 54.h4+–) 54...Rd1= 55.Kf2 Rd2 56.Kg3 Ne2 57.Kf2 Nd4 58.Ke1 Nb3?? (better is 58...Nf3 59.Kf1 Nh2 60.Kg1 Nf3 61.Kf1 Nh2 62.Ke1 Nf3 63.Kf1=) 59.Ne4+– Ra2 60.Rh6 (60.b5 Kb6 61.Rh6 Kb7+–) 60...Kc7 61.Ng5 Ra3 62.Ne6 Kd7 63.Nc5 (63.b5!? Ra2+–) 63...Nc5 64.bc5 Re3 65.Kf2 Rc3 (65...Ra3 66.c6 Kc7 67.g5+–) 66.c6 Kc7 67.h4 Kd8 (67...Rc2 68.Ke3+–) 68.Rf6 (68.h5 Kc7+–) 68...Ke7 69.Rh6 (69.g5 Rc5+–) 69...Kf8?? (69...Kd8 70.h5 Kc7+–) 70.g5+– Kg7 (70...Kf7 71.h5+–) 71.Rd6 (71.h5 Rh3+–) 71...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 ( 9.Nc3=) 9...Nf8 (9...Be2!? 10.Qe2 d5=) 10.Bh5 (10.Nf5 Bg6 11.Ng7 Kd7+/–) 10...Nh5 11.Qh5 Bh4 12.f4 g6 (12...e4 13.Bg7 Rg8 14.Bd4+/– (14.Qh6? Rg7 15.Qg7 Bf6–+)) 13.Qf3 b6? ( 13...Qf6!?+/–) 14.fe5+– Rg8?? (14...Rh7+–) 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.d3 d5 9.a3 dc4 10.dc4 e4+=.

8.g4 Bg6+= 9.Nh4 0–0 10.Ng6 fg6 11.Qb3 (11.d4 c6=) 11...Kh8 (11...Ne4 12.0–0 Bh4 13.Kg2 Bf2 14.c5 Kh8 15.Qe6–+) 12.Nc3= c6 13.0–0–0 (13.0–0 a5 14.ba5 Qa5= (worse is 14...Ra5 15.Qb7 Nb8 16.f4+/–)) 13...c5 (13...a5 14.b5+=) 14.b5 a6 15.a4 (15.Bf3 ab5 16.Qb5 e4+=) 15...Nb6 (better is 15...ab5!? 16.Qb5 Nb6+=) 16.a5= Nbd7 17.b6 Nb8 18.Bf3 Qd7 19.Qa4 Qa4 (better is 19...Nc6!?+=) 20.Na4+– e4 (20...d5 21.d3 e4+/–) 21.Bf6 Rf6 (21...Bf6 22.Be4 Rf7 23.Nc3+–) 22.Be4 Nc6 23.Bc6 bc6 24.Nc3 (24.f4!? Rb8+–) 24...Rf2 25.Rhf1 Rf1 26.Rf1 Kg8 27.Kc2 Bf6 28.Ne4 Be5 29.Ng5 Rf8? (29...Re8+–) 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 h5 8.f3+= ef3 9.gf3 Bh3 10.Qc2 g6 11.Nc3 Na6 12.Nd5 Nd5 (better is 12...c5!? 13.Qa4 Bd7+=) 13.cd5+/– Bf6?? (better is 13...Rh6 14.Bb5 Kf8 15.Ba6 ba6+/–) 14.Ba6+– ba6 15.Nc6 Bb2 (15...Bh4 16.Kd1 Qg5 17.Bh8 Qg2 18.Qe4 Kf8+–) 16.Nd8 (16.Qb2?! Qh4 17.Kd1 Kd7=) 16...Ba1 17.Qc6 Ke7 (17...Kd8 18.Qa8 Bc8 19.Kf2+–) 18.Qc7 Bd7 19.Nf7! Rac8 (19...Kf7 20.Qd7 Double attack (20.Qd7 Deflection; 20.Qd7 Overloading)) 20.Qd6 Kf7 21.Qd7 Kf6 22.Kf2 Rc2 (22...Bb2 23.Rg1 Rce8 24.Qd6 Kf7 25.Qg6 Ke7 26.d6 Kd7 27.Qf7 Kc6 28.Qc7 Kd5 29.Rg6 Rc8 30.Qf7 Kc6 31.d7 Kb5 32.Qd5 Kb4 33.Rg5 Rc3 34.Qa5 Kc4 35.Qa4 Kd3 36.Rd5) 23.Rg1 Rd2 24.Ke1 Rh2 25.Qe6 Kg7 26.Rg6 Kf8 27.d6 Bc3 28.Kf1 Bb4 (28...Rh1 29.Kg2 Rh2 30.Kh2 Be5 31.Qe5 Rh7 32.Qf5 Ke8 33.Rg8) 29.Qe7 1–0. Heqexe – Stucer, internet, 2017.

7.Nd4 Be2

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 0–0

9.0–0 Na6 10.a3 c5 11.Nf5 cb4 12.f3+=.

9.0–0 Nc6 10.Nc6 bc6 11.Nc3 (11.d3 Rb8 12.a3 ed3 13.Qd3 Re8+=) 11...d5 12.b5 dc4 13.bc6 Qd3 14.Qd3 cd3 15.a4 Rab8 16.Ba3 (16.Rfb1 Rb3+=) 16...Ba3–/+ 17.Ra3 Rb6 18.Nb5 (18.f3!? ef3 19.gf3 Rc6 20.Nb5+=) 18...Rc6–/+ 19.Na7 Rc2 20.Rd1 Ra8 21.Nb5 Nd5 (21...Rb2!? 22.Nc3 c5+=) 22.f3= f5 (22...Nb6 23.fe4 Nc4 24.Nc7= (worse is 24.Rd3 Nb2 25.Rc3 Rc3 26.Nc3 Nd1 27.Nd1 Ra4–/+)) 23.Nd4+= Rc4 Attacking the isolated pawn on a4 24.Nf5 (24.a5 g6 25.a6+=) 24...ef3 (better is 24...Raa4!? 25.Rda1 Ra3 26.Ra3 Rc1 27.Kf2 Rd1 28.fe4 Rd2 29.Kf3 Nb4+=) 25.gf3 Raa4 (25...g6 26.Rd3 Nb6 27.Nd4+/–) 26.Rd3 c6 (26...Nf6 27.Rb3+/–) 27.e4 (27.Rb1 Ra8+–) 27...Nf4 (27...g6!?+/–) 28.Rd7 g6 (28...g5 29.Rb1 Rcb4 30.Rb4 Rb4 31.Rg7 Kf8 32.Rh7+–) 29.Ne7 (better is 29.Rb1!? Rab4 30.Ne7 Kf8 31.Rb4 Rb4 32.Nc6+–) 29...Kf8+/– 30.Rb1 Rab4 (30...Ke8 31.Rbb7 Rd4 32.Rd4 Rd4 33.Nc6 Rd2 34.Rh7+–) 31.Ra1 (31.Rb4 Rb4 32.Nc6 Rb2+–) 31...Ra4 (better is 31...Rb8+–) 32.Rb1 Rcb4?? (32...Rab4 33.Rb4 Rb4 34.Nc6 Rb2+–) 33.Rb4+– Rb4 34.Nc6 Rb1 (34...Rb2 35.h4+–) 35.Kf2 Rh1 (35...h5 36.Ne5 g5 37.Nf7+–) 36.Rh7 1–0. GuestMYDB – GuestNPXW, freechess.org, 2017.

9.0–0 d5 10.Nf5=.

9.0–0 Nbd7 10.f3 ef3 11.Rf3 Ne5 12.Rh3 (12.Rf5 Qd7=) 12...Qd7 13.Nc3 c5 (13...Rfe8 14.d3=) 14.bc5 (14.Nc2 Rfc8 15.d3 Qe6+=) 14...dc5+= 15.Nf3 Nd3 16.Rb1 Rfe8 17.Ba1 Bd8 (17...b6 18.Rf1=) 18.Qf1 Nb4 19.a3 Na6 20.Qd1 h6 21.Qc2 b6 22.Nh4 Bc7 23.Rf1 Re6 24.Nd5 (24.Nb5 Ne4 25.Nf3 Rae8=) 24...Nd5= 25.cd5 Qd5 26.Nf5 Be5 27.e4 Qd7 28.Be5 Re5 29.Rd3 Qe6 30.Qc3 (30.Rg3 Rf5 31.ef5 Qf6+/–) 30...Nc7 (30...Kh7 31.Rd6 Rf5 32.Re6 Rf1 33.Kf1 fe6 34.Qd3+–) 31.Rg3+/– Ne8 32.Nh6 Qh6 33.Qe5 Qd2 34.Qh5 (34.Qe7 Nd6 35.Rgf3 Qd4 36.Kh1 Rf8+/–) 34...Qd4 35.Kh1 Qc4 36.Re1 Nf6 (36...Qe6 37.Rh3 Kf8 38.Qg5+/–) 37.Qg5 (37.Qh4 Ne8+/–) 37...Ne8 38.Rh3 Nf6 (38...Qe6 39.Qh4 Kf8 40.e5+/–) 39.Qh4+– Kf8 40.Qh8 Ng8 41.Rg3 g6 42.Rh3 (42.Rf3!?+–) 42...Rd8+/– 43.Rh7 Ke7 44.Qe5 Qe6 45.Qc7 (45.Qg5 Qf6 46.Qg3 Ke6+–) 45...Qd7+/– 46.Qf4 Nf6 47.Rf1 Qd4 48.Rh4 Ke6 49.Qc7 Rd7 50.Qc8 Ke7 (50...Nh5 51.Rh3 Ke7 52.Rhf3+/–) 51.Rhf4 Rd8 52.Qc7 Rd7 53.Qb8 Rd6 54.h3 Re6? (54...a5 55.e5! Qe5 56.Rf6 Qf6 57.Rf6 Rf6 58.Qc7 Ke8+–) 55.e5 Qe5 56.Qe5 (56.Qe5 Re5 57.Rf6+–) 1–0. pcmvr (2825) – jjones (2695), net–chess.com, 2007.

9.d3 d5 10.a3 a5 11.b5 dc4 12.de4=.

9.f3 d5 10.cd5 ef3 11.Qf3 Nd5= 12.0–0.

9.Nf5 Nc6 10.Ne7 Qe7 11.a3 d5 (11...Ne5 12.0–0+=) 12.0–0 1–0. GuestWYSV – GuestVCWJ, freechess.org, 2017.

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 (better is 12.0–0+–) 12...Qg2 13.Rf1 Qh2? (13...Ng4 14.Qd3 Nh2+–) 14.Nc3 Ng4 15.Ne4 (15.Ra7 Bh4 16.Nd1 Qg2+–) 15...Qh4? (15...Qg2 16.Qd3 Nh2 17.Ng3+–) 16.d3 (16.Ng3 Qh3 17.Qc2 Bh4+–) 16...Nh2 17.Rh1?? (17.Ra7 Nf1 18.Kf1 f5+–) 17...Qh3?? (better is 17...Nf3 18.Ke2 Qh1 19.Ra7 Bh4 20.Rc7 Qg2–/+) 18.Qd1 Qg2 19.Kd2 (19.Ke2 f5 20.Nc3 Qg4 21.Kd2 Qg2+–) 19...Nf3?! (19...f5 20.Nc3+–) 20.Kc3 (20.Ke2 Ra8+–) 20...c6 (20...f5 21.Ng3 Qf2 22.Rf1 Qg3 23.Qf3 Qf3 24.Rf3+–) 21.bc6 Rb8 (21...f5 22.Ng3 Qf2 23.Rf1 (23.Ra7?! Qg3 24.Re7 Qg5+–) 23...Qg3 24.Qf3 (worse is 24.Rf3 Qg4+–) 24...Qf3 25.Rf3+–) 22.Ra7 (22.Qf1 Qf1 23.Rf1 f5+–) 22...f5 23.Re7 fe4 24.Rb7 (24.c7 Rc8 25.Rd7 Rc7 26.Rc7 h5+–) 24...Rc8 25.c7 (25.de4 Ng5 26.Qg1 Ne4 27.Kb4 Qg1 28.Rg1 g6+–) 25...Qf2 (25...Kf7 26.de4 Ng5+–) 26.Rb8 Rb8 27.cb8Q Kf7 28.Rf1 Qe3 29.Qd6 1–0. Fournier,Frederic (1790) – CHICOVERA (1625), Active, 2004.

7.Bf3 c6 8.0–0 0–0 9.Qc2 Re8 (9...Qb6 10.a3+=) 10.d4 e4 11.Be4 Ne4 12.Qe4 Bf6 (better is 12...d5!? 13.Qf3 dc4=) 13.Qf3 c5 (13...Nd7 14.b5+/–) 14.Qb7 Nd7 15.Nd2 cd4 (15...Nb6 16.bc5 dc5 17.Rad1 cd4 18.Ne4 Nc4 19.Bd4+–) 16.Bd4 Bd4 17.ed4 Rb8 18.Qa7 Rb4 19.Qa3 Qb8 20.Rae1 Re1 21.Re1 Nf6 22.Qe3 Rb7 (22...Qa8 23.a3 Rb2 24.Rb1 Rb1 25.Nb1+–) 23.Ne4 Ne4 24.Qe4 g6 25.h3 (25.c5 dc5 26.dc5 Rb5+–) 25...Kf8 (25...Rb4 26.Rc1+–) 26.c5 dc5 27.dc5 Rc7 (27...Kg7 28.Qd4 Kg8 29.c6+–) 28.Qe5 Kg8 29.Rd1 Qc8 (29...Rc8 30.Qb8 Rb8 31.a4+–) 30.Qf6 Rd7 31.Rd7 Qd7 32.Qd6 Qa7 33.c6 Qa2 (33...Qb6+–) 34.c7 Qa1 35.Kh2 Qc1 36.Qd8 Kg7 37.c8Q Qf4 38.Kg1 1–0. Trkn – samone, ICC, 2004.

7.Bf3 c6 8.0–0 Nbd7 9.d3 0–0 10.Nd2 a6 11.g3 d5 12.Qb3 dc4 13.Nc4 Nb6 14.Ne5 Qd6 15.Rab1 Qb4 (better is 15...Nfd7 16.Nd7 Nd7+–) 16.Qb4 Bb4 17.Ba1 Bd6 18.Rb6 Be5 19.Be5 Nd7 20.Bd4 Nb6 21.Bb6 Rfe8 22.d4 Re6 23.Rb1 Rae8 24.Bc5 b5 25.Rc1 Rc8 (25...h6 26.Bb6+–) 26.Bg4 1–0. b4_player – story, casual, 2013.

7.Bf3 c6 8.d3 0–0 9.Nd2. GuestQJBS – boobalan, freechess.org, 2017.

6.Be2 Bf5

7.Nc3 0–0 8.0–0 a5 A) 9.a3 A1) 9...Re8 10.Qa4 (10.d4 e4 11.Nd2 ab4 12.ab4 Ra1 13.Qa1 d5 14.Qa4=; 10.b5 Nbd7 11.d4 c6 12.Rc1 Rc8 13.Qd2 cb5 14.Nb5=) 10...Na6 11.d4 ab4 12.ab4 e4 13.Nd2 d5 14.c5+=; A2) 9...Nbd7 10.d4 (10.b5 c6 11.d4 Rc8 12.Nh4 Be6 13.bc6 bc6 14.Rb1=; 10.d3 ab4 11.ab4 Ra1 12.Qa1 c6 13.d4 e4 14.Nd2=) 10...c6 11.b5 Rc8 12.Qa4 Re8 13.Rac1 Qb6 14.c5+=; A3) 9...Qd7 10.b5 Re8 11.d4 e4 12.Nd2 Ra7 13.Qc2 Bd8 14.Rfd1+= ; A4) 9...ab4 10.ab4 Ra1 11.Qa1 Na6 12.d4 e4 13.Nh4 Bd7 14.b5= ; B) 9.b5 B1) 9...c6 10.a3 (10.Qa4 Nbd7 11.d4 Qc7 12.Qb3 Rfe8 13.Rad1 Rac8 14.a3=; 10.d4 Nbd7 11.Ng5 cb5 12.cb5 h6 13.Nf3 Rc8 14.Rc1=) 10...cb5 11.Nb5 Na6 12.d4 e4 13.Nd2 d5 14.Rc1+=; B2) 9...Nbd7 10.d4 c6 11.Ng5 h6 12.Nf3 Rc8 13.Qb3 Qc7 14.Rfd1=.

7.Nc3 0–0 8.0–0 a6 A) 9.Qa4 A1) 9...Nc6 10.d4 ed4 11.ed4 d5 12.c5 Re8 13.Rfe1 a5 14.b5= ; A2) 9...Bg4 10.Rfe1 (10.d3 Nc6 11.Nd5 Re8 12.a3 Qd7 13.Qc2 Ra7 14.h3=; 10.d4 e4 11.Nd2 Be2 12.Ne2 c6 13.d5 cd5 14.cd5+=; 10.Rae1 Nc6 11.a3 Re8 12.d4 Qd7 13.de5 Ne5 14.Qd7+=; 10.Qc2 Nc6 11.a3 Re8 12.Rfd1 Qd7 13.d4 ed4 14.Nd4+=; 10.Rfd1 Qd7 11.Qc2 Nc6 12.a3 Qf5 13.Qf5 Bf5 14.Nd5=; 10.Rad1 Nc6 11.a3 Re8 12.Qc2 Qd7 13.d4 ed4 14.Nd4+=; 10.Rac1 e4 11.Ne1 Be2 12.Ne2 Qd7 13.Qc2 Nc6 14.a3+=; 10.Rab1 Nc6 11.a3 Bf5 12.d3 Qd7 13.Rbd1 b5 14.Qb3=; 10.a3 e4 11.Nd4 c5 12.Nc2 Be2 13.Ne2 Qd7 14.Qd7=) 10...Nc6 11.a3 Ra7 12.Rad1 Qc8 13.d4 Qe8 14.Qc2+=; A3) 9...Qd7 10.Qd7 (10.b5 Qd8 11.Nd5 Nbd7 12.Ne7 Qe7 13.d4 e4 14.Nd2=) 10...Nbd7 11.d4 c6 12.de5 Ne5 13.Rfd1 b5 14.c5=; A4) 9...Qe8 10.Qe8 (10.Qb3 Nbd7 11.d4 c6 12.a4 b6 13.a5 Rb8 14.Rfd1=) 10...Re8 11.a3 Nbd7 12.d4 Bg4 13.Rfe1 Rad8 14.h3=; A5) 9...Bd7 10.Qc2 (10.Qb3 Bg4 11.Rfe1 c6 12.Qc2 a5 13.b5 cb5 14.cb5=) 10...Re8 11.a3 Nc6 12.d4 ed4 13.ed4 Qc8 14.d5+=; A6) 9...Nbd7 10.d4 c6 11.a3 Qc7 12.Rfd1 b5 13.Qb3 e4 14.Nh4= ; B) 9.d4 B1) 9...a5 10.b5 e4 11.Nd2 Re8 12.f3 ef3 13.Bf3 Bc8 14.Nde4+= ; B2) 9...Re8 10.a3 (10.Qb3 e4 11.Nd2 Qd7 12.a3 a5 13.b5 Bd8 14.Qa4+=) 10...a5 11.de5 de5 12.Nb5 Nbd7 13.Ne5 ab4 14.ab4+/–; B3) 9...e4 10.Nd2 d5 11.a3 c6 12.c5 Qd7 13.Ra2 Qe6 14.Na4= ; C) 9.a3 C1) 9...Nbd7 10.Qb3 (10.d3 a5 11.b5 Re8 12.e4 Bg4 13.Ng5 Be2 14.Qe2+=; 10.d4 c6 11.d5 cd5 12.cd5 Nb6 13.Nd2 Rc8 14.Qb3+=; 10.Ng5 h6 11.f4 Qc8 12.d3 ef4 13.e4 hg5 14.ef5=) 10...c6 11.d4 b6 12.d5 cd5 13.cd5 Bg4 14.Rfc1+=; C2) 9...Nc6 10.d4 Re8 11.d5 Nb8 12.Bd3 Bg4 13.h3 Bf3 14.Qf3+/– ; C3) 9...a5 10.Qb3 (10.b5 Nbd7 11.d4 c6 12.Ng5 cb5 13.cb5 h6 14.Nf3=; 10.d3 ab4 11.ab4 Ra1 12.Ba1 Re8 13.e4 Bg4 14.b5=; 10.d4 e4 11.Nd2 ab4 12.ab4 Ra1 13.Ba1 d5 14.g4=; 10.Qa4 Nbd7 11.d4 ab4 12.Qb4 Ra6 13.Nd5 Nd5 14.cd5=) 10...Qd7 11.d4 e4 12.Nh4 Bg4 13.f3 ef3 14.Nf3+=; D) 9.Qb3 D1) 9...Bg4 10.Rfe1 (10.Rad1 Nc6 11.Rfe1 Qd7 12.h3 Bf5 13.d4 e4 14.d5+=; 10.d4 e4 11.Nd2 Be2 12.Ne2 d5 13.cd5 Qd5 14.Qd5=; 10.Rae1 Nc6 11.d4 Bf3 12.Bf3 ed4 13.Nd1 d5 14.cd5=; 10.d3 Nc6 11.h3 Bf5 12.e4 Bg6 13.Nd5 Re8 14.a4=; 10.Qc2 Nc6 11.a3 Re8 12.Rad1 Qd7 13.d4 ed4 14.Nd4+=) 10...c6 11.Qc2 a5 12.b5 cb5 13.cb5 Qc7 14.Rac1+=; D2) 9...a5 10.ba5 Qc8 11.d4 Nc6 12.de5 de5 13.Nd5 Nd5 14.cd5+= ; D3) 9...Qd7 10.d4 e4 11.Nh4 Bg4 12.f3 ef3 13.Bf3 Bf3 14.Nf3+= ; D4) 9...Nc6 10.d4 ed4 11.Nd4 Nd4 12.ed4 d5 13.Nd5 Nd5 14.cd5= ; E) 9.d3 Re8 (9...Nc6 10.a3 Re8 11.d4 ed4 12.Nd4 Nd4 13.Qd4 a5 14.Nd5+=) 10.Rc1 (10.e4 Bg4 11.a3 Nc6 12.Nd5 Bf3 13.Bf3 Nd4 14.Bg4+=; 10.a3 a5 11.b5 Nbd7 12.e4 Bg4 13.Ng5 Be2 14.Qe2+=; 10.Qd2 Nc6 11.b5 Na5 12.d4 ab5 13.de5 de5 14.Qd8=; 10.Qb3 Nc6 11.Nd5 Bg4 12.Qc3 Be6 13.Ne7 Qe7 14.Rfe1=; 10.Re1 Nc6 11.a3 Qd7 12.Nd5 Be6 13.Ne7 Re7 14.d4+=; 10.Nd2 d5 11.g4 Bg6 12.g5 Nfd7 13.Nd5 Bf8 14.c5+=) 10...Nc6 11.a3 Qd7 12.Nd5 a5 13.b5 Nd8 14.Ne7+=.

7.Nc3 0–0 8.0–0 Nc6 9.b5 Nb8 (9...Na5 10.d4 e4 11.Nd2 c6 12.d5 Rc8 13.Qb1 cb5 14.Nb5+=) 10.d4 e4 11.Nd2 a6 12.f3 ef3 13.Bf3 Bd3 14.Bb7+=.

7.Nc3 0–0 8.0–0 Nbd7 9.a4 (9.d4 A) 9...c6 10.Qb3 (10.a3 e4 11.Nd2 d5 12.cd5 cd5 13.Rc1 a5 14.b5= ) 10...e4 11.Nd2 Re8 12.f3 ef3 13.Bf3 Bg4 14.e4+=; B) 9...a5 10.b5 c6 11.a3 Rc8 12.Qa4 Re8 13.Rac1 Qb6 14.c5+= ; 9.d3 A) 9...Nb6 10.a4 (10.a3 a5 11.b5 Qd7 12.e4 Be6 13.Ng5 Bg4 14.f4+= ; 10.e4 Be6 11.Ng5 Bd7 12.f4 ef4 13.Qd2 Ng4 14.Nh3= ; 10.Qd2 a5 11.ba5 Ra5 12.Nd5 Ra6 13.Ne7 Qe7 14.c5= ) 10...a5 11.b5 Qd7 12.e4 Be6 13.Ng5 Ne8 14.Ne6+=; B) 9...c5 10.b5 (10.a3 Qb6 11.Qa4 Rfc8 12.Rfb1 a5 13.b5 Qc7 14.Qc2=) 10...a6 11.e4 Be6 12.Ng5 ab5 13.Nb5 Nb6 14.Ne6+=; C) 9...a5 10.b5 (10.a3 ab4 11.ab4 Ra1 12.Qa1 c6 13.e4 Bg4 14.h3= ) 10...Re8 11.e4 Bg4 12.Ng5 Be2 13.Qe2 a4 14.a3= ; 9.a3 a5 10.Qb3 (10.b5 Re8 11.d4 c6 12.Rc1 Rc8 13.Qd2 cb5 14.Nb5= ; 10.d3 ab4 11.ab4 Ra1 12.Qa1 c6 13.e4 Bg4 14.h3= ; 10.d4 c6 11.b5 Rc8 12.Rc1 Re8 13.Qd2 cb5 14.Nb5=) 10...Nb6 11.d4 a4 12.Qd1 ed4 13.Qd4 Be6 14.Rad1+=) 9...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 (12.a5 c5= 13.b5 h6 14.f4+=) 12...Ng4 (12...a5 13.d4+= ab4 14.Qb4+=) 13.Nf3 (13.e4 Bg5 14.ef5 Nh6=) 13...Bh4 (13...a5 14.d4=) 14.Rf1 (14.e4=) 14...c5 15.b5 e4 16.Nh4 Qh4 17.h3 Nge5 18.Nd5 Qg5 19.Kh1 Qh6?? (better is 19...Be6=) 20.Ne7+– Kh8 21.Nf5 (21.Nf5 Qe6 22.Ng3+–) 1–0. Kucharkowski,Jens – Schicke, Freital, 1982.

7.Nc3 0–0 8.0–0 Re8 A) 9.d3 A1) 9...Na6 10.a3 c5 11.bc5 Nc5 12.d4 ed4 13.Nd4 Bg6 14.Rc1= ; A2) 9...Qd7 10.e4 (10.a3 Nc6 11.b5 Na5 12.Qa4 b6 13.d4 e4 14.Nd2=; 10.Rb1 a6 11.e4 Bg4 12.d4 Bf3 13.Bf3 ed4 14.Nd5=) 10...Bg4 11.a3 Bf3 12.Bf3 Nc6 13.Ne2 Qe6 14.Qc2+=; A3) 9...a6 10.Rc1 (10.e4 Bg4 11.a3 Nc6 12.Nd5 Qd7 13.Nd4 Nd4 14.Nf6+=; 10.a3 a5 11.b5 Nbd7 12.e4 Bg4 13.Ne1 Be6 14.f4=; 10.Qd2 Nc6 11.Nd5 Be6 12.Ne7 Qe7 13.a4 Bg4 14.h3=; 10.Qb3 Nc6 11.Nd5 Bg4 12.a4 Ra7 13.a5 Ra8 14.Ra2+=; 10.Re1 Nc6 11.a3 Qd7 12.Nd5 Be6 13.Ne7 Re7 14.d4+=; 10.Nd2 d5 11.g4 Bg6 12.g5 Nfd7 13.Nd5 Bf8 14.c5+=) 10...Nc6 11.a3 Qd7 12.Nd5 a5 13.b5 Nd8 14.Ne7+=; A4) 9...Bg4 10.Nd2 Be6 11.f4 ef4 12.Rf4 d5 13.a3 c5 14.cd5= ; A5) 9...a5 10.b5 Nbd7 11.e4 Bg4 12.Ng5 Be2 13.Qe2 c6 14.Nf3= ; A6) 9...Nbd7 10.a3 (10.e4 Bg4 11.a3 a5 12.Qd2 c5 13.b5 Nf8 14.Ng5=) 10...c5 11.e4 Bg4 12.Ng5 Be2 13.Qe2 h6 14.Nf3+=; A7) 9...Nc6 10.b5 Na5 11.e4 Bg4 12.h3 Bf3 13.Bf3 a6 14.ba6= ; B) 9.a3 B1) 9...Nbd7 10.d3 (10.d4 c6 11.Rc1 a5 12.Nh4 ab4 13.ab4 Be6 14.d5=) 10...c5 11.e4 Bg4 12.Ng5 Be2 13.Qe2 a6 14.Rfb1+=; B2) 9...c6 10.d3 (10.d4 Nbd7 11.d5 cd5 12.Nd5 Nb6 13.Ne7 Qe7 14.Rc1=) 10...Qb6 11.e4 Be6 12.d4 Nbd7 13.h3 ed4 14.Nd4+=; B3) 9...Nc6 10.d4 (10.d3 Bg4 11.b5 Nb8 12.d4 Nbd7 13.h3 Bh5 14.g4=; 10.b5 Nb8 11.d4 e4 12.Nd2 a6 13.d5 ab5 14.cb5+=) 10...a5 11.b5 ed4 12.ed4 Na7 13.Bd3 Bd3 14.Qd3+=; B4) 9...a5 10.b5 (10.d4 e4 11.Nd2 ab4 12.ab4 Ra1 13.Ba1 d5 14.cd5=; 10.Qa4 Nbd7 11.ba5 Nc5 12.Qd1 Ra5 13.d4 ed4 14.Nd4=) 10...Nbd7 11.d4 c6 12.Rc1 Rc8 13.Qd2 cb5 14.Nb5=; C) 9.Qb3 C1) 9...Nc6 10.d3 (10.b5 Na5 11.Qa4 c5 12.d3 a6 13.e4 ab5 14.Nb5=) 10...a6 11.Rad1 Ra7 12.d4 e4 13.Nd2 Qd7 14.a3+=; C2) 9...Bg4 10.h3 (10.d3 a5 11.ba5 Nbd7 12.d4 Qc8 13.h3 Bf5 14.de5=; 10.Rae1 c6 11.e4 a5 12.b5 a4 13.Qc2 a3 14.Bc1=; 10.Rfe1 c6 11.Rad1 Na6 12.a3 e4 13.Nd4 c5 14.Nc2=; 10.Rab1 Qd7 11.d4 e4 12.Nd2 Be2 13.Ne2 c6 14.d5=) 10...Bh5 11.g4 Bg6 12.Nh4 Nc6 13.Ng6 hg6 14.f4+=; C3) 9...a5 10.ba5 (10.a3 Nc6 11.b5 Nb8 12.d4 Nbd7 13.Rad1 ed4 14.Nd4=; 10.b5 Nbd7 11.d4 ed4 12.Nd4 Nc5 13.Qd1 Bg6 14.f4=) 10...Qc8 11.d4 Ra5 12.de5 de5 13.Nd5 Nd5 14.cd5=; C4) 9...c6 10.d4 (10.Rfd1 Bg4 11.d3 a5 12.ba5 Nbd7 13.h3 Bf5 14.d4=; 10.Rad1 Nbd7 11.d4 a5 12.b5 Qc7 13.Rfe1 e4 14.Nd2=; 10.a3 Nbd7 11.d4 Qc7 12.Rfd1 e4 13.Nh4 Bg4 14.Bg4=; 10.Rac1 Nbd7 11.d4 Qc7 12.Nh4 Bg4 13.Bg4 Ng4 14.Nf3=) 10...e4 11.Nd2 d5 12.b5 Qd6 13.bc6 bc6 14.a4=; D) 9.d4 e4 (9...a5 10.b5 e4 11.Nd2 Qd7 12.Qa4 Ra7 13.d5 Qc8 14.Qc2+=) 10.Nd2 d5 11.b5 c6 12.Qb3 Qd6 13.bc6 bc6 14.f3=.

6.h3 Bd7

7.Nc3 a5 8.b5 c5 (8...0–0 9.d4+=) 9.Qc2 (9.d4 cd4 10.ed4 e4+=) 9...Be6 10.Be2 Nbd7 11.d4 (11.Ng5 Nb6 12.Ne6 fe6+=) 11...cd4= 12.ed4 ed4 13.Nd4 Nc5 (13...Rc8 14.Ne6 fe6 15.0–0=) 14.Nf5 0–0 15.Ne3 d5? (better is 15...a4!?=) 16.Ncd5 (16.cd5 Bd7+/–) 16...Nd5 17.Nd5 (17.cd5!? Bd7 18.Rd1+/–) 17...Bd5= 18.cd5 Qd5 19.0–0 Rad8 20.Rfd1 Qe4 21.Qc3 (21.Qe4 Ne4 22.Bd3 f5 23.Bc4 Kh8+=) 21...Rd1 (21...Bf6 22.Qc5 Rd1 A) 23.Rd1? Qe2 (23...Bb2 24.Bf3 Qa4 25.Qe7+/–) 24.Qd5 Qb2–+; B) 23.Bd1 Qe1 24.Kh2 Bb2 25.Rb1+=) 22.Rd1= Bf6 23.Qd2 (23.Qc5? Qe2 (23...Bb2 24.Bf3 Qa4 25.Qe7+=) 24.Qc1 Bb2–+) 23...Bb2 24.Qb2 h6 (24...Na4 25.Qd2=) 25.Bf3+= Qg6 (25...Qe6 26.Qd4 Rc8 27.Bd5+=) 26.Qe5 Qb6 (26...b6 27.Qd6+=) 27.Qe2 (better is 27.Rd5!? Ne6 28.Rd6+/–) 27...Rc8+= 28.Qc4 Rc7 (28...Qc7 29.Bd5+=) 29.Rd8 Kh7 30.Qc2 g6 31.Qb2 f6 32.Qd4 Qe6 33.Rh8! Kg7?? (33...Kh8 34.Qd8) 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.a3 A) 10...a5 11.b5 0–0 (11...Bf5 12.bc6 bc6 13.Rb1 0–0 14.Qc2 Nbd7 15.Be2 Rc8=) 12.bc6 bc6 13.Be2 Ra7 14.Rb1 Rb7 15.0–0 Re8=; B) 10...0–0 11.Rc1 a5 12.b5 cb5 13.Nb5 Bb5 14.cb5 Bd6 15.Be2 Nbd7=.

7.d4 e4 8.Nfd2 c6 9.Nc3 d5 10.Qb3 Be6 11.Be2 0–0 (11...Nbd7 12.0–0 0–0 13.a3 a5 14.b5 Rc8 15.Rfc1 Bd6=) 12.0–0 Nbd7 13.f3 ef3 14.Rf3 Re8 15.Raf1 a5=.

7.d4 e4 8.Nfd2 c6 9.Nc3 d5 10.b5 A) 10...dc4 11.bc6 Nc6 12.Bc4 Na5 13.Be2 Bc6 14.Qb1 Qb6 15.Bd1 Qa6=; B) 10...a6 11.bc6 bc6 12.Qb3 Bc8 13.Ba3 Bd6 14.cd5 Ba3 15.Qa3 cd5+=; C) 10...0–0 11.bc6 (11.Qb3 dc4 12.Bc4 cb5 13.Bb5 Be6 14.Bc4 Bc4 15.Nc4 Nc6+=) 11...Bc6 12.cd5 Bd5 13.Nd5 Qd5 14.Qb3 Qd7 15.g4 a5+=; D) 10...Qa5 11.Qb3 Qb4 12.bc6 bc6 13.cd5 Qb3 14.ab3 cd5 15.Nb5 Bb5+=; E) 10...cb5 11.cd5 b4 (11...Bb4 12.Qb3 Na6 13.Nb5 0–0 14.Nc3 Rb8 15.Rc1 Qe7+=; 11...Qa5 12.Qb3 a6 13.a4 b4 14.Nce4 Nd5 15.Nc5 Nf6+/– 1.19) 12.Nce4 Nd5 13.Bd3 0–0 14.0–0 Be6 15.Nc5 Bc5=; F) 10...Qc7 11.Qb3 (11.bc6 bc6 12.Rc1 Qa5 13.Qb3 Na6 14.cd5 Rb8 15.dc6 Rb3+=; 11.Rc1 Qb6 12.bc6 bc6 13.Rb1 Qa5 14.Qb3 Qb4 15.Qb4 Bb4+=) 11...Be6 12.bc6 bc6 13.Rc1 Qb6 14.cd5 cd5 15.Bb5 Nbd7+=; G) 10...Be6 11.bc6 bc6 (11...Nc6 12.cd5 Bd5 13.Nd5 Qd5 14.Bc4 Qd7 15.Rb1 0–0=) 12.Qa4 0–0 13.Ba3 Ba3 14.Qa3 Nbd7 15.Rc1 Qb6=.

7.d4 e4 8.Nfd2 c6 9.Nc3 d5 10.cd5 cd5 11.Qb3 (11.a3 a5 (11...Nc6 12.Be2 Rc8 13.0–0 0–0 14.Rc1 Be6 15.Qa4 a6=; 11...0–0 12.Rc1 Nc6 13.Be2 Rc8 14.0–0 Bd6 15.f3 ef3=) 12.b5 Bd6 13.Be2 0–0 14.0–0 Qe7 15.f3 ef3=; 11.b5 0–0 (11...Qa5 12.Be2 0–0 13.Qa4 Bb4 14.Qa5 Ba5 15.Nb3 Bb4=) 12.Be2 Qa5 13.Qa4 Qa4 14.Na4 Rc8 15.Rc1 Rc1=) 11...Be6 (11...Bf5 12.Rc1 Nc6 13.b5 Na5 14.Qa4 Qb6 15.Ba3 Ba3+=) 12.Bb5 (12.Qa4 Nbd7 13.Rc1 0–0 14.Be2 a5 15.b5 Nb6+=) 12...Nc6 13.a3 (13.0–0 0–0 14.a3 a5 15.ba5 Na5+=) 13...a6 (13...0–0 14.Be2 Rc8 15.Rc1 a6=) 14.Bc6 (14.Be2 Rc8 15.Rc1 Rc7=) 14...bc6 15.0–0 0–0 (15...a5+=) 16.Qa4 Qc7 17.Rac1 (17.Nb3 Bd7 18.Nc5 a5+=) 17...Rfb8 18.Ne2 Bd7 19.Bc3 Bd6 (19...c5 20.Qd1 c4 21.Qc2–/+) 20.f4 (20.Qc2 a5+=) 20...ef3 (20...c5 21.Qd1 c4 22.Qc2–/+) 21.Rf3 Ne4 (21...c5!? 22.Qd1 c4–/+ (22...cb4?! 23.Bb4 Bc6 24.Qc2=)) 22.Ne4= de4 23.Rf2 c5 24.Qd1 c4 25.d5 Rd8 (better is 25...Re8!?=) 26.Qd4+/– f6 27.Qe4 Re8 28.Qf3 Be5 (28...Rac8!?+/–) 29.Be5 Qe5 30.Rc4 Qa1 31.Kh2 Qa3 32.e4 Qf3 33.gf3 (33.Rf3?! Bb5 34.Rfc3 Bc4 35.Rc4 Rac8=) 33...Bb5 (33...Rec8 34.Rd4+–) 34.Rc7 Rec8 35.Rc8 (35.Rc5!? Rab8+–) 35...Rc8 36.Nd4 Rc4 37.Nb5 ab5 38.Rd2 (38.Rb2 Kf7+/–) 38...Kf8 (38...Kf7 39.d6 Ke8 40.Ra2+=) 39.Kg3 (39.Rb2 f5 40.e5 Rd4+/–) 39...Rb4+= 40.d6 (40.Rc2 Rb1+/–) 40...Ke8= 41.d7 Kd8 42.Kf4 Rc4 43.Kf5 Rc6 44.Rd5 (better is 44.f4!?=) 44...Rb6–/+ 45.f4 b4 46.e5 g6 47.Ke4 b3 48.ef6 b2 (48...Rf6?! 49.Rb5=) 49.Rd1 Rf6 50.Rb1 Rb6 (50...Kd7?! 51.Rb2 Kc6 52.Rc2 Kd6 53.Ra2=) 51.Kd3 Kd7 52.Kc3 Ke6 53.Rb2 (53.Kc2–+) 53...Rb2 54.Kb2 (54.h4 Rh2–+) 54...Kf5 55.Kc3 Kf4 56.h4 Kg4 57.Kd4 Kh4 0–1. marekt – pentamorion, GameColony.com, 2002.

6.h3 Bf3

7.Qf3= c6 8.Bd3 (8.a3 a5 9.b5 0–0 10.Nc3 d5 11.bc6 bc6 12.Rb1=; 8.Be2 Qb6 9.Bc3 Na6 10.a3 Nc7 11.d3 Ne6 12.Qg3+=; 8.Nc3 0–0 9.a3 d5 10.cd5 cd5 11.Qf5 Nc6 12.b5=; 8.d4 e4 9.Qg3 d5 10.c5 0–0 11.Be2 b6 12.0–0=; 8.e4 0–0 9.Be2 d5 10.ed5 e4 11.Qf5 cd5 12.cd5=) 8...d5 (8...Nbd7!?= 9.Nc3 Nb6 10.Be2 0–0 11.a3 d5 12.cd5=) 9.Be5+/– dc4 (9...Nbd7 10.Bc3 Bd6 11.c5 Be5 12.Bf5+/–) 10.Bf6 (10.Bc4 Bb4 11.Bf6 Qf6 12.Qf6 gf6+/–) 10...Bf6+= 11.Bc4 Nd7 (11...Qe7 12.Nc3+=; 11...b5 12.Bb3+=) 12.Nc3 (12.Qe4 Qe7 13.Qe7 Be7+/–) 12...Qe7 13.a3 0–0–0 14.Qf5 Kb8 15.Qf4 Be5 (15...Ka8!?+/–) 16.Qf7 Qd6 (better is 16...Qg5!? 17.0–0 Rhf8+/–) 17.Ne4+– Qg6?! (17...Qh6 18.d4 Rhe8+–) 18.Qg6 hg6 19.0–0–0 Nf8 (19...Nb6 20.Bb3+–) 20.f4 b5 (20...Bf6 21.d4+–) 21.fe5 bc4 22.Nd6 Rd7 (22...Rh4 23.Rdf1+–) 23.Rhf1 (23.Nc4 Ne6+–) 23...Nh7 (23...Ne6 24.Nc4 g5 25.d4+–) 24.Rf7 (24.Nc4 Ng5+–) 24...Kc7 (24...Rf7 25.Nf7 Re8 26.Rf1+–) 25.Rd7 Kd7 26.Nc4 Re8 27.Rf1 Ng5 28.h4 Ne6 29.Rf7 Re7 30.Re7 Ke7 31.Na5 Kd7 32.Nb7 a6 (32...Ke7+–) 33.Nc5 Nc5 34.bc5 Ke6 35.d4 Kd7 36.Kd2 Ke6 ½–½. Massoni,Luigi – Lafargue,Philippe, Trio–778.5, 1999.

7.Qf3= Nc6 8.a3 e4 9.Qf4 a5 10.b5 Ne5 11.Be5 de5 12.Qe5+=.

7.Qf3 Nbd7 8.Qb7+= Rb8 9.Qa7 Rb4 10.Bc3 Rb8 11.Qa4 0–0 12.Be2 Ne4 13.Qc2 Ndc5 14.d3 Nc3 15.Nc3 Bh4 (15...c6 16.0–0+/–) 16.0–0 c6 17.Bf3 Rb6 18.Ne4 (18.Rfb1 Ne6+/–) 18...Ne4 19.Be4 g6 (19...d5 20.Bf3+/–) 20.Rab1 (20.c5 dc5 21.Qc5 Be7+/–) 20...Rb1 21.Rb1 f5? (better is 21...d5 22.Bf3 f5+–) 22.Bc6+– f4 23.Bd5 Kh8 24.ef4 Rf4 (24...ef4 25.Qd2+–) 25.Rf1 (25.g3!? Rf8 26.gh4 Qh4+–) 25...Qb6 (25...Bg5 26.Qe2+–) 26.Bf3 (26.g3 Bg3 27.c5 Bh2 28.Kh2 dc5+–) 26...h5 (26...Rf8 27.Qd2+–) 27.a4 g5?! (27...Kg7+–) 28.Kh2 (better is 28.Bh5 Kg7 29.Bf3+–) 28...g4+/– 29.g3?? (29.hg4 hg4 30.Rb1 Qd8+/–) 29...Bg3?? (29...Rf3 30.hg4 Qd4 31.Qd2 Qg4 32.Qe1–+) 30.Kg3?? (better is 30.fg3 Rf3 31.Qg2 Rf1 32.Qf1 Qb2 33.Qg2+/–) 30...Rf3+= (worse is 30...gf3 31.Kh2+/–) 31.Kg2 gh3?? (better is 31...Rh3 32.Qe2 Qd4+=) 32.Kf3+– h2 (32...Qb7 33.Ke2+–) 33.Kg2 Qc6 1–0. GuestQRLT – Habarnam, freechess.org, 2017.

7.Qf3 e4 8.Qd1 Nc6 (8...0–0 9.Qc2=) 9.a3 Ne5 (9...d5 10.d4=) 10.d3 ed3 11.Bd3 Nd3 (11...Qd7 12.Nc3=) 12.Qd3+= c5 (12...0–0 13.0–0+=) 13.b5 (13.0–0 Qb6+/–) 13...b6 (13...d5 14.Nc3 dc4 15.Qc4=) 14.0–0+/– Qd7? (14...0–0 15.Rd1+/–) 15.Nc3 (15.Bf6!? gf6 16.Nc3 0–0–0+–) 15...Qe6 (15...0–0 16.Rad1+/–) 16.Rad1 (16.Nd5 Nd5 17.Bg7 Rg8 18.cd5 Qg6 19.Qg6 fg6+/–) 16...Rd8 (16...0–0 17.Ne2+/–) 17.Qe2 (17.Nd5 0–0+/–) 17...Ne4 (17...0–0 18.Nd5+/–) 18.Nd5 (18.Nd5 0–0 19.Qf3+/–) 1–0. GuestTJTY – salta, freechess.org, 2016.

7.Qf3= e4 8.Qf4 0–0 9.Nc3 d5 10.cd5 Nd5 11.Qe4 Nb4 12.a3+=.

7.Qf3= e4 8.Qf5 Qd7 9.Qd7 Nbd7 10.d3 ed3 11.Bd3 Ne5 12.Ke2=.

7.Qf3 e4 8.Qf5 Qd7 9.Qd7 Nfd7 10.Bg7 Rg8 11.Bb2+/–.

7.Qf3= e4 8.Qg3 Nc6 9.a3 0–0 10.Be2 a5 11.b5 Ne5 12.0–0=.

6.h3 Bh5

7.Be2 0–0 8.0–0 Nc6 (8...e4 9.Nd4 Be2 10.Qe2=) 9.a3 (9.b5 Nb8=) 9...Bf3 (9...e4!? 10.Ne1 Be2 11.Qe2 d5=) 10.Bf3+= e4 11.Be2 Ne5 (11...a5 12.b5 Ne5 13.Nc3+=) 12.f4 (12.Qc2!?+=) 12...ef3= 13.Bf3 Nc4 14.Bd4 (14.Bb7 Nb2 15.Qb3 Rb8+=) 14...c6 (14...c5 15.Bc3 Qd7 16.Qc2+=) 15.Qc2 d5 16.d3 (16.Be2 Nd6+=) 16...Nd6–/+ 17.Nc3 (17.Nd2 Nf5–/+) 17...a6 (17...Nf5!?–/+) 18.Na4 Nd7 19.Nc5 Nc5 20.Bc5 Nb5 21.Bg4 (21.a4 Nc7+=) 21...Bc5–/+ 22.Qc5 Qg5 (22...Nd6 23.a4–/+) 23.a4+= Nc7 24.Rf5 Qd8 25.Qb6 Qe7 26.Raf1 Ne6 27.Re5 Rad8 (27...Rae8 28.a5–/+) 28.d4 (28.Rf7 Rf7 (worse is 28...Qf7 29.Be6 Rd7 30.Bf7 Rdf7 31.b5+–) 29.Be6 Kf8 30.Bf7 Qe5 31.Qd8 Kf7=) 28...Rb8 (28...Rde8 29.e4 de4 30.Re1–/+) 29.Kh1 (29.Rf7 Kf7 (29...Qf7?? 30.Be6 Rfc8 31.Bf7 Kf7 32.e4+–; 29...Rf7?! 30.Be6 Kh8 31.Bf7 Qf7 32.b5 ab5 33.ab5+=) 30.Be6 Kf6 31.Bd5 Qd8 32.Re6 Kg5 33.Re5 Kh6 34.Qd8 Rbd8=) 29...Qd6 (29...Rbe8 30.b5 ab5 31.ab5+=) 30.Be6+= fe6 31.Rf8 Rf8 (31...Kf8 32.Qa7+=) 32.Qb7 Rf1 (32...Rb8 33.Re6 Rb7 34.Rd6 Rb4 35.Rc6 Ra4 36.Rc5=) 33.Kh2 h6 (33...Rf5 34.g3 Rf2 35.Kg1–+) 34.Qa6 Rf5 35.Qc8 (better is 35.Kh1 Re5 36.de5 Qe5 37.Qa8 Kf7 38.Qa7 Ke8 39.Qd4+=) 35...Kh7?? (better is 35...Kf7 36.Qb7 Kf6=) 36.b5 (better is 36.Qe6 Rf6 37.Qd6 Rd6 38.a5+–) 36...Re5–/+ 37.de5 Qe5 38.Kg1 (38.Kh1!?+=) 38...Qe3–/+ 39.Kh1 cb5 40.ab5 d4 41.Qc6 (41.b6 d3 42.b7 Qe1 43.Kh2 Qe5 44.Kg1 d2 45.Qc2 Qf5 46.Qd2 Qb1 47.Kf2 Qb7 48.Qd3 Kg8–/+) 41...d3 (41...d3 42.b6 e5–/+) 0–1. GuestQJBS – GuestXNGL, freechess.org, 2017.

7.Be2 0–0 8.0–0 Nbd7 9.d3 c6 10.Nbd2 a5 A) 11.a3 A1) 11...Re8 12.g4 Ng4 13.Ne1 Nf2 14.Rf2 Bg6 15.Bc3 ab4 16.ab4+/–; A2) 11...Qc7 12.b5 (12.Nh4 Be2 13.Qe2 Rfe8 14.Nf5 Nb6 15.f4 ab4 16.ab4=) 12...cb5 13.cb5 Rac8 14.Rc1 Qb6 15.a4 Rc1 16.Qc1=; A3) 11...ab4 12.ab4 Qc7 13.Qc2 d5 14.Qc3 dc4 15.dc4 b6 16.Rfd1=; A4) 11...b5 12.e4 (12.Qc2 bc4 13.Nc4 ab4 14.ab4 Nd5 15.Ra8 Qa8 16.Bc3=) 12...ab4 13.ab4 Ra1 14.Qa1 Qb8 15.d4 ed4 16.g4=; B) 11.b5 cb5 12.cb5 Rc8 13.Nc4 Bf3 14.Bf3 e4 15.Be2 d5 16.Nd2=.

7.Be2 0–0 8.0–0 Nbd7 9.d3 c6 10.Nbd2 a6 A) 11.a4 A1) 11...a5 12.b5 (12.ba5 Qa5 13.Qc2 Qc7 14.Rfb1 Nc5 15.e4 b6 16.d4=) 12...Qc7 13.Qc2 Rfe8 14.g4 Bg6 15.Nh4 Nf8 16.f4=; A2) 11...Rb8 12.a5 (12.Qc2 Re8 13.g4 Bg6 14.Nh4 d5 15.Ng6 hg6 16.Qb3=; 12.Bc3 b6 13.Qe1 c5 14.b5 Ra8 15.g4 Bg6 16.Nh4=; 12.Nb3 Qc7 13.a5 b5 14.ab6 Rb6 15.Bc3 Rfb8 16.Nbd2=; 12.Rc1 a5 13.b5 Rc8 14.Bc3 cb5 15.ab5 Qc7 16.Ra1=) 12...Qc7 13.g4 Bg6 14.Nh4 d5 15.g5 Ne8 16.Ng6=; A3) 11...Qc7 12.Qb3 (12.Bc3 d5 13.Qc2 Rfe8 14.Rfe1 Rad8 15.a5 e4 16.de4=; 12.a5 d5 13.Bc3 Rad8 14.Rc1 Bf3 15.Nf3 dc4 16.dc4=) 12...a5 13.b5 Rfe8 14.Qc2 Nc5 15.g4 Bg6 16.Nh4=; B) 11.a3 B1) 11...b6 12.Qc2 Re8 13.d4 c5 14.Bd3 ed4 15.ed4 d5 16.bc5=; B2) 11...a5 12.Qc2 (12.Bc3 ab4 13.ab4 Qc7 14.Qc2 d5 15.c5 b5 16.cb6=; 12.b5 cb5 13.cb5 Rc8 14.Nc4 Bf3 15.Bf3 e4 16.Be2=; 12.Ne4 b5 13.Qc2 Ne4 14.de4 bc4 15.Qc4 Qb6 16.Bc3=; 12.Nb3 b6 13.b5 cb5 14.cb5 a4 15.Nbd2 Ra5 16.Rb1=) 12...Qb6 13.Bc3 ab4 14.ab4 d5 15.g4 Bg6 16.Ne5+=; B3) 11...b5 12.Qc2 Re8 13.d4 Rc8 14.Rfc1 ed4 15.Bd4 c5 16.Bc3=; C) 11.Ne4 Ne4 12.de4 a5 13.a3 ab4 14.ab4 Qb6 15.Bc3 Ra1 16.Qa1=; D) 11.Qc2 a5 12.a3 Qb6 13.Bc3 ab4 14.ab4 d5 15.g4 Bg6 16.Ne5+=.

7.Be2 0–0 8.0–0 Nbd7 9.d3 c6 10.Nbd2 Qc7 A) 11.Qc2 d5 (11...a5 12.a3 ab4 13.ab4 d5 14.Qc3 dc4 15.dc4 b6 16.g4=) 12.cd5 Nd5 13.a3 Rfd8 14.d4 ed4 15.Bd4 a5 16.ba5=; B) 11.a3 B1) 11...a5 12.Nh4 (12.b5 cb5 13.cb5 d5 14.Rc1 Qd6 15.Qc2 a4 16.Qc7=) 12...Be2 13.Qe2 Rfe8 14.Nf5 Nb6 15.Ne4 Na4 16.Nf6=; B2) 11...Rfc8 12.Nh4 Be2 13.Qe2 Nb6 14.Nf5 Na4 15.Rab1 a5 16.Qf3=; B3) 11...Rac8 12.Nh4 Be2 13.Qe2 Nb6 14.Nf5 Na4 15.Rab1 Nb2 16.Rb2+=; B4) 11...Rad8 12.Qc2 (12.e4 a5 13.Qb3 Rfe8 14.Rfc1 b6 15.Rab1 ab4 16.ab4=; 12.Qa4 Qb8 13.Qc2 d5 14.Qc3 Bd6 15.c5 Bc7 16.g4=) 12...Rfe8 13.g4 Bg6 14.g5 Nh5 15.Qd1 Bf5 16.Kg2+=; B5) 11...Rfe8 12.e4 (12.Qc2 a5 13.g4 Bg6 14.Nh4 Nf8 15.Ng6 Ng6 16.g5=) 12...a5 13.Qb3 ab4 14.ab4 d5 15.Ra8 Ra8 16.ed5=; B6) 11...Rae8 12.g4 Ng4 13.Ne1 Ne3 14.fe3 Bg6 15.Ng2 Qb6 16.Nb3+/–; B7) 11...Rfd8 12.Qc2 a5 13.d4 ed4 14.Bd4 c5 15.Bc3 cb4 16.ab4= ; C) 11.b5 C1) 11...Rfd8 12.g4 Bg6 13.Nh4 Nf8 14.f4 Ng4 15.hg4 Bh4 16.f5+/– ; C2) 11...Rfe8 12.Rc1 (12.a4 a6 13.g4 Bg6 14.g5 ab5 15.gf6 bc4 16.d4+=; 12.a3 cb5 13.cb5 Rac8 14.Rb1 d5 15.g4 Bg6 16.g5=; 12.g4 e4 13.Nd4 ed3 14.Bf3 Bg6 15.g5 Ne5 16.gf6+/–) 12...cb5 13.g4 Bg6 14.g5 Nh5 15.Ne1 Qa5 16.Rc2+/–; C3) 11...cb5 12.cb5 Rac8 13.Nh4 Be2 14.Qe2 Nb6 15.f4 Na4 16.fe5=; C4) 11...Rfb8 12.g4 (12.Nh4 Be2 13.Qe2 cb5 14.Nf5 Re8 15.cb5 d5 16.Rfc1=) 12...Bg6 13.Nh4 a6 14.Ng6 fg6 15.d4 ab5 16.cb5=; C5) 11...Rfc8 12.g4 (12.a4 a6 13.Nh4 Be2 14.Qe2 ab5 15.Nf5 Bf8 16.ab5+=) 12...Bg6 13.bc6 bc6 14.Nh4 Nf8 15.Rb1 Rab8 16.f4=; C6) 11...Rac8 12.a4 d5 13.Rc1 Qd6 14.Qc2 cb5 15.ab5 a6 16.ba6= ; C7) 11...Rad8 12.a3 (12.Rc1 a6 13.a4 ab5 14.ab5 Ra8 15.d4 Ra2 16.Qb3=; 12.a4 d5 13.Qc2 Bd6 14.Rfc1 Rc8 15.cd5 cd5 16.Qc7=) 12...cb5 13.cb5 Rc8 14.Nh4 Be2 15.Qe2 Qc2 16.Nf5+=; C8) 11...a6 12.a4 ab5 13.ab5 cb5 14.cb5 d5 15.Qb3 Qd6 16.Rfc1= ; D) 11.Rc1 D1) 11...Qb6 12.Rb1 (12.Bc3 Rad8 13.a3 Qa6 14.a4 Qb6 15.a5 Qc7 16.g4+=; 12.a3 a5 13.c5 dc5 14.Nc4 Qc7 15.ba5 Bd6 16.Nh4=) 12...Rfe8 13.g4 Bg6 14.g5 Nh5 15.Ne1 Ng3 16.fg3+/–; D2) 11...Rfe8 12.a3 (12.a4 Rad8 13.g4 Ng4 14.Ne1 Nf2 15.Rf2 Bg6 16.Bh5+/–) 12...a6 13.g4 Ng4 14.Ne1 Nf2 15.Rf2 Bg6 16.Bh5+/–; D3) 11...a6 12.a4 (12.d4 e4 13.Ng5 Bg6 14.Qc2 d5 15.cd5 Nd5 16.Nge4=; 12.a3 a5 13.b5 Rad8 14.d4 c5 15.Re1 Rfe8 16.Bd3+=; 12.Qc2 Rfe8 13.g4 Bg6 14.Nh4 Nf8 15.Ng6 Ng6 16.g5=) 12...b6 13.g4 Bg6 14.Nh4 Qd8 15.d4 Qc7 16.f4+=; D4) 11...Rad8 12.a3 (12.Qc2 Rfe8 13.g4 Bg6 14.Nh4 Nf8 15.a3 Ne6 16.Ng6=; 12.Qb3 Rfe8 13.a3 a5 14.g4 Bg6 15.Nh4 Ne4 16.Ne4=; 12.Qa4 Qb6 13.Bc3 Rfe8 14.Rfd1 h6 15.a3 Bg6 16.d4=; 12.b5 a6 13.a4 ab5 14.ab5 Ra8 15.d4 Ra2 16.Qb3=; 12.Re1 Qb6 13.a3 a5 14.Rb1 ab4 15.ab4 Qc7 16.e4=; 12.a4 Rfe8 13.g4 Ng4 14.Ne1 Nf2 15.Rf2 Bg6 16.Bh5+/–) 12...a5 13.b5 Rfe8 14.g4 Ng4 15.Ne1 Ne3 16.fe3+/–; D5) 11...Rfd8 12.a4 (12.a3 a5 13.b5 Re8 14.g4 Ng4 15.Ne1 Ne3 16.fe3+/–; 12.Qc2 c5 13.a3 cb4 14.ab4 a5 15.ba5 Ra5 16.Ra1=; 12.Re1 Re8 13.a3 a5 14.b5 Rac8 15.g4 e4 16.Nh2+/–; 12.Bc3 Rac8 13.g4 Bg6 14.Nh4 d5 15.g5 Ne8 16.Ng6=; 12.g4 Bg6 13.Nh4 Nf8 14.a3 Qb6 15.Qa4 N6d7 16.Ng6=; 12.Qe1 d5 13.cd5 Nd5 14.b5 a6 15.bc6 bc6 16.d4=) 12...Re8 13.g4 Ng4 14.Ne1 Nf2 15.Rf2 Be2 16.Qe2+/–; D6) 11...Rae8 12.g4 Ng4 13.Ne1 Nf2 14.Rf2 Bg6 15.Qa4 Bh4 16.Rg2+/–; D7) 11...Rfb8 12.a3 (12.g4 Bg6 13.Nh4 Nf8 14.Ng6 Ng6 15.a3 Qb6 16.Qa4=) 12...a5 13.b5 a4 14.d4 Re8 15.Bd3 c5 16.Re1+=; D8) 11...a5 12.b5 Rfe8 13.d4 a4 14.Bd3 a3 15.Bc3 ed4 16.Bd4=.

7.Be2 0–0 8.0–0 Nbd7 9.d3 c6 10.Nbd2 Re8 11.g4 Ng4 (11...e4 12.Ne1 d5 13.gh5 Bb4 14.cd5 cd5 15.h6 g6 16.de4+–) 12.Ne1 Nf2 13.Rf2 Bg6 14.Ndf3 a5 15.b5 Nc5 16.Bf1+/–.

7.Be2 0–0 8.0–0 Nbd7 9.d3 c6 10.Nbd2 Ne8 11.d4 (11.a3 f5 12.a4 Nc7 13.a5 Rc8 14.Bc3 Bf6 15.Qc2 Qe7 16.Rae1=) 11...Qc7 (11...Bg6 12.de5 (12.Nb3 e4 13.Nfd2 Nef6 14.Qc2 d5 15.a3 Bf5 16.Rfc1=) 12...Ne5 13.Ne5 de5 14.c5 Bf6 15.Nc4 Qe7 16.Qa4+=) 12.Qb3 (12.e4 a5 13.a3 ab4 14.ab4 Nef6 15.Qb3 ed4 16.Bd4+=) 12...Kh8 (12...Nef6 13.e4 ed4 14.Bd4 Bg6 15.Bd3 c5 16.bc5=) 13.Rfe1 (13.e4 ed4 14.Bd4 Bf6 15.Qd3 Bd4 16.Nd4=) 13...Rd8 (13...f5 14.de5 de5 15.Ne5 Be2 16.Nd7+=) 14.a4 (14.e4 Nef6 15.a3 b6 16.Qe3+=) 14...f5 15.Ne5 (15.Ng5 Bg5 16.Bh5+=) 15...Be2 16.Nd7 Bc4 17.Nc4 Qd7 18.b5 f4 (18...Nf6!?=) 19.ef4+= Rf4 20.a5 (20.Na5 Bf6 21.bc6 bc6 22.Rac1+=) 20...Bh4?? (better is 20...cb5 21.Ne3 Nc7+=) 21.g3+/– Qh3 22.Qe3 Rf8 23.gh4 Qh4 24.Qg3 (24.bc6 bc6 25.Qg3 Qg3 26.fg3 Rf3+–) 24...Qh5? (24...Qg3 25.fg3 cb5 26.Ne3+=) 25.Ra3?? (better is 25.d5!? Rg8 26.dc6 bc6 27.bc6+–) 25...d5 (25...Qd5!? 26.Nd2 cb5+=) 26.Ne5+/– Nd6? (better is 26...cb5 27.a6 b6+/–) 27.Qg4?? (better is 27.Qg2 Rfe8 28.Rh3+–) 27...Qg4= 28.Ng4 Nc4 (28...cb5 29.Rb3=) 29.Ra2 (29.bc6 Nb2 30.cb7 Nc4+/–) 29...Nd2 (better is 29...cb5!? 30.Bc3 Rc8=) 30.Ne5 Rf5? (30...cb5 31.Ba3 Nf3 32.Nf3 Rf3 33.Re7+/–) 31.Ba3?? (31.a6 Re5 32.de5 Nf3 33.Kh1 Ne1 34.ab7 Nd3 35.bc6 Nc5 36.Ra7 Rg8+–) 31...Rg5?? (31...Re5 32.de5 Nf3 33.Kf1 Ne1 34.Ke1 cb5 35.Rd2+–) 32.Kh2?? (32.Kh1 Re5 33.de5 Nf3 34.bc6 bc6+–) 32...Rh5?? (32...Re5 33.Re5 Nf3 34.Kg2 Ne5 35.de5 cb5+–) 33.Kg2+– Rg5 34.Kh3 (34.Kh3 Re5 35.de5+–) 1–0. Dzieniszewski,Andrzej – Palosz, Gizycko POL, 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 e4 8.Nd4 Be2 9.Qe2+=.

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

7.Be2 Bf3 8.Bf3 c6 (8...e4 A) 9.Be2 A1) 9...0–0 10.0–0 (10.Qc2 d5 11.cd5 Bb4 12.Qb3 Qd6 13.a3 Ba5 14.Qb7+=) 10...d5 11.cd5 Qd5 12.f3 Qe6 13.fe4 Ne4 14.Qc2+=; A2) 9...d5 10.cd5 Qd5 11.a3 0–0 12.Qc2 Rc8 13.Nc3 Qe6 14.f3+= ; B) 9.Qa4 Qd7 10.Bd1 (10.Qd7 Nbd7 11.Be2 d5 12.cd5 Nd5 13.a3 a5 14.d3=) 10...d5 11.cd5 Nd5 12.b5 Nb4 13.0–0 0–0 14.a3+= ) 9.0–0 (9.d3 A) 9...d5 10.Be5 (10.Qa4 Qd6 11.0–0 0–0 12.a3 Nbd7 13.cd5 Nd5 14.Nd2=; 10.Qb3 e4 11.Be2 dc4 12.dc4 a5 13.b5 Nbd7 14.0–0=; 10.a3 dc4 11.dc4 Qd1 12.Bd1 a5 13.Be5 Nbd7 14.Bb2=; 10.Nd2 dc4 11.dc4 Bb4 12.Be5 Nbd7 13.Bd4 Qe7 14.0–0=) 10...Bb4 11.Nd2 dc4 12.dc4 Nbd7 13.Bd4 Qe7 14.0–0=; B) 9...Qb6 10.a3 a5 11.Qa4 Na6 12.0–0 0–0 13.Qa5 Qa5 14.ba5= ; 9.Qc2 Nbd7 10.d4 ed4 11.Bd4 Ne5 12.Be2 a5 13.b5 Qc8 14.Qa4+= ) 9...0–0 (9...e4 10.Be2 d5 11.cd5 cd5 12.a3 0–0 13.d3 a5 14.b5=) 10.d4 (10.Qc2 Qb6 11.a3 a5 12.ba5 Qa5 13.d4 Nbd7 14.Nd2+=; 10.d3 Qb6 11.a3 a5 12.Nc3 ab4 13.Na4 Qc7 14.ab4=; 10.a3 a5 11.d3 ab4 12.ab4 Ra1 13.Ba1 Qc7 14.Nc3=) 10...e4 11.Be2 d5 12.cd5 (12.c5 b6 13.Qc2 a5 14.b5=) 12...cd5 13.a3 Nbd7 (13...a5 14.b5=) 14.Nc3 h6 15.Qb3 Nb6 16.Rfc1 Rc8 17.Rc2 Nc4 (better is 17...Bd6!?+=) 18.Nd5!+/– Nb2? (18...Qd5 19.Rc4; 18...Nd5 19.Rc4) 19.Rc8+– Qd5 20.Rf8 Bf8 21.Qb2 Nh5 (21...b6 22.Qc3+–) 22.Qc2 g6 (22...Nf6 23.Qc7 Ne8 24.Qb8+–) 23.Bh5 gh5 24.Qc8 (24.Qa4 Kh7+–) 24...Kg7 25.Qc2 Be7?? (25...Kg8 26.Qa4 a6+–) 26.Rd1 Bh4 (26...Bd6 27.Rc1+–) 27.Qc5 Qb3 28.Qh5 Bg5 29.Ra1 Qb2 30.Qd1 Bh4 (30...b6 31.Qb1 Qc3 32.Qe1+–) 31.Qg4 Bg5 32.Rf1 Qa3 33.h4 1–0. Bonetti,Shane – heusen, ICC, 2002.

7.Be2 Bf8 8.d4 e4 9.Nfd2 Be2 10.Qe2 Be7 (10...d5 11.cd5 Qd5 12.Nc3+=) 11.Nc3+= Nc6 12.a3 a5 13.b5 (13.Nde4?! ab4 14.Nf6 Bf6+=; 13.Nce4?! ab4 14.Nf6 Bf6+=) 13...Na7 14.Nde4 0–0 15.Qf3 Ne4 16.Ne4 d5 17.Nc3 dc4 18.Qb7 Qb8 19.Qd5 Bf6? (19...c6!? 20.Qc4 cb5+/–) 20.a4 (20.Rb1 Rc8 21.Bc1 Be7+–) 20...Rd8 21.Qc4 c6 22.Ba3 cb5 23.ab5 Rc8 (23...Nc8 24.Nd5 Bh4 25.0–0+–) 24.Bc5 Be7 (24...Bd8 25.0–0+–) 25.0–0 Bf8 (25...Bc5 26.dc5 Qe5 27.c6+–) 26.Ra5 Qb7 (26...Be7 27.Rfa1 Bd8 28.Ra6+– (28.Ba7?! Rc4 29.Bb8 Ba5+=)) 27.Rfa1 Bc5 28.dc5 Rd8 (28...Nb5 29.Ra8 Ra8 30.Ra8 (30.Nb5?! Ra1 31.Kh2 Ra5+=; worse is 30.Qb5 Ra1 31.Kh2 Qb5 32.Nb5 Rc1+=) 30...Qa8 31.Qb5 Qa1 32.Kh2+–) 29.Qa4 Rd3 (29...Qe7 30.Ra7 Ra7 31.Qa7+–) 30.c6 (30.Qe4 Qe4 31.Ne4 f5+–) 30...Qc7 (30...Qb8 31.Qc4 Qf8 32.Qd3+–) 31.Qc4 (better is 31.Ra7 Qa7 32.Qa7 Ra7 33.Ra7 g5+–) 31...Rad8 (31...Rdd8+–) 32.Ra7 Qe5 33.Qf7 Kh8 34.Ra8 Qc3 35.Qf8! 1–0. Fournier,Frederic (2595) – esposito (2235), Active, 2005.

7.Be2 Nbd7

8.0–0 e4 9.Nd4 Be2 10.Qe2 Ne5+=.

8.d3 0–0 9.0–0 Nb6=.

8.d3 0–0 9.Qc2 a6 (9...d5 10.0–0 e4 11.Ne1 Be2 12.Qe2+=) 10.0–0= Bg6 (10...a5 11.b5=) 11.e4 (11.Nh4 d5+=) 11...Nh5 12.Nh2 (12.d4 Nf4 13.de5 Ne5 14.Ne5 de5=) 12...Nf4+= 13.Bg4 f5 14.ef5 Bf5 15.Bf5 Rf5 16.d4 Rg5 17.de5 (17.Ng4!?+=) 17...Rg2–/+ 18.Kh1 Ne5 19.Be5 (better is 19.Bc1!? Ned3 20.Bf4 Nf4 21.Qe4–+) 19...de5 20.Nc3 (20.a3 Qd4 21.Ra2 a5–+) 20...Rg6 (20...Rh2!? 21.Kh2 Qd7 22.f3 Qh3 23.Kg1 Bb4 24.Ne4–+) 21.Rad1 Qe8 (21...Qc8 22.Ng4–+) 22.Qe4 Nh3 (22...Bb4 23.Nd5 Nd5 24.Qd5 Re6 25.Qb7 Qc6 26.Qc6 Rc6–/+) 23.Qe5? (23.Qb7 Re6–/+) 23...Qc6 (23...Bb4 24.Qd5 Kh8 25.Ne4–+) 24.Nd5 (24.Qd5 Kf8 25.c5 Qd5 26.Nd5 Rd8–/+) 24...Bf6 (better is 24...Bb4 25.Qc7 Qc7 26.Nc7 Rc8–+) 25.Qf5 Ng5 (25...Rh6 26.Kg2 Rh5 27.Qe4 Nf4 28.Qf4+=) 26.Ng4+= Qc4 (26...Kh8 27.f3 Qc4 28.Nf4 Qb4 29.Kg2=) 27.Ndf6?? (27.Nf4 h5 28.Qg6 (28.Nf6? Rf6 29.Qd5 Qd5 30.Nd5 Rf7–+) 28...Qc6 29.Nd5 hg4 30.Qf5+=) 27...gf6–+ 0–1. GuestYTVT – GuestTMBK, freechess.org, 2017.

8.d3 0–0 9.Nbd2 Ne8 (9...d5 10.0–0=) 10.0–0 Bf6 11.e4 Bf3 (11...a5 12.a3=) 12.Bf3 (worse is 12.gf3 c5+=) 12...c6 13.a4 a5 14.ba5 Ra5 15.Nb3 Ra8 16.a5 Nc7 17.Qc2 b6 18.ab6 Nb6 19.Ra8 Qa8 (19...Nba8 20.d4+=) 20.Ra1 Qb8 21.Na5 (21.Bg4 c5+=) 21...c5+= 22.Bc3 Ne6 23.Rb1 Qc7 24.Bg4 Nd4 25.Qa2 Nd7?? (25...Ra8 26.Qd2=) 26.Nb3 (better is 26.Rb7 Qd8 27.Rd7+–) 26...Nb3 27.Bd7 (27.Rb3 Rb8+=) 27...Qd7 28.Qb3 Rd8 (28...Bg5 29.Qb5 Qe6 30.Qc6=) 29.Qb2 Qa4 30.Ra1 Qe8 31.Rb1 h6 (31...Qa4 32.Bd2+=) 32.f4 Ra8 33.fe5 (33.Qb6 Qe7 34.Qc6 Qd8+=) 33...de5 34.Qb6 Qd7 35.Qb7 (35.Rd1!? Qa7 36.Qc6=) 35...Qb7–/+ 36.Rb7 Rd8 37.Ba5 Rd3 38.Rb5 Rd4 39.Rc5 Re4 40.Kf2 Rd4 (40...Kh7 41.Bc3 Bh4 42.g3 Bg3 43.Kf3–/+) 41.Rc6 (41.Bc3 Rf4 42.Ke2 Rh4+=) 41...e4 0–1. GuestQJBS – GuestXNGL, freechess.org, 2017.

8.d3 a5 =.

8.d3 d5 9.a3 dc4 10.dc4= (worse is 10.Ne5 Ne5 11.Be5 Qd5–/+).

8.d4 ed4 9.ed4 (9.Bd4 c5 10.Bc3 cb4 11.Bb4 Nc5=) 9...0–0 (9...d5 10.c5=) 10.Nc3 (10.0–0 Re8=) 10...Re8 (10...Nb6 11.g4 Bg6 12.Nh4+=) 11.0–0= Bf8 (11...Nb6 12.c5 Nbd5 13.Qb3+=) 12.Qc2 (12.Re1 d5 13.c5 Be7=) 12...Bg6 (12...d5 13.c5=) 13.Bd3 Bd3 14.Qd3 c6 (14...d5 15.c5=) 15.a4 (15.Rfe1 Qb6 16.a3 d5+=) 15...Qb6 16.b5 a5 (16...d5 17.c5 Qc7 18.a5=) 17.Kh1 (17.Rae1 Rac8+=) 17...Rad8 (17...Re7 18.Ba3 Qc7 19.Rfe1=) 18.Nh4 (18.Rfe1 d5+=) 18...d5= 19.c5 Qc7 20.b6 (20.Nf5 b6 21.cb6 Nb6=) 20...Qf4 21.g3 Qh6 22.Bc1 (better is 22.Kg2=) 22...g5 (better is 22...Qh5 23.Qf5 Qf5 24.Nf5 Nc5 25.dc5 d4+=) 23.Qf5+/– Qg7 24.Bg5 h6 (24...Be7 25.Rae1+–) 25.Be3 (25.Bf4 Re7+–) 25...Qh7 (25...Ne4 26.Ne4 Re4 27.Rfe1+/–) 26.Rae1 Ne4 (26...Bg7 27.Qh7 Kh7 28.Nf5+–) 27.Ne4+– Re4 28.Qh7 (28.f3 Re6+–) 28...Kh7 29.f3 Re6 30.Bd2 (30.Nf5 Rde8+–) 30...Rde8 (30...Bc5 31.dc5 Nc5 32.Re6 fe6 33.Re1+–) 31.Ba5 (31.Nf5!? Bg7+–) 31...Bg7 (31...Ra8 32.Bd2 Ra4 33.Nf5+/–) 32.Nf5 Bf8 (better is 32...Ra8!? 33.Re6 fe6 34.Ng7 Kg7+/–) 33.Bc3+– Kg6 34.Nh4 (34.g4 Re2+–) 34...Kh5 (34...Kh7 35.g4+–) 35.Ng2 (35.Re6!? Re6 36.f4 Bg7+–) 35...Re1 36.Re1 Re1 37.Be1 Kg5 38.Bd2 Kf6 39.Ne3 h5 (39...Ke6 40.g4+–) 40.Nc2 (40.g4 Kg6+–) 40...Ke6 (40...Bg7 41.Kg2+–) 41.a5 Nb8 (41...Bg7 42.a6 ba6 43.b7+–) 42.Nb4 Bg7 43.Be3 (43.Bf4!? Bd4 44.Bb8 Bc5+–) 43...Kd7 (43...Kf5 44.Nd3+–) 44.Kg2 Kc8 45.Kf1 Nd7 (45...Bf6 46.Ke2+–) 46.Ke2 (46.a6 Kb8+–) 46...Nb8 47.Kd3 Kd7 (47...Bh8 48.g4 hg4 49.fg4+–) 48.Bf4 (48.Bf4 Kc8 49.g4+–) 1–0. Bigalke,Andre (2095) – Harms,Peter, Wichern op 6th, 2001.

8.d4 e4+= 9.Nfd2 Be2 10.Qe2 d5 11.a3 c6 12.Nc3 0–0 13.0–0 Bd6 14.f4 (14.cd5 cd5 15.f3 Re8=) 14...Bc7 15.g4 h6 (15...Nb6 16.g5 Nfd7 17.c5+=) 16.Rf2 Nb6 17.a4 White intends b5 17...a5 (17...Nc4 18.Nc4 dc4 19.Qc4+=) 18.b5 (18.c5 Nbd7 19.b5 Rc8=) 18...Nh7 (18...cb5 19.ab5 dc4 20.g5 hg5 21.fg5+=) 19.c5= Nd7 20.b6 Bb8 21.Kh1 Qh4 22.Rh2 g5 23.Rf1 gf4 24.ef4 White gets strong initiative 24...Qg3 25.Rg2 Qh3 26.Rh2 Qg3 27.Nce4 (27.Rg2 Qh4 28.Rh2 Qf6+=) 27...de4–/+ 28.Ne4 Qb3 29.Rh6 Qd5 (29...Qa4!? 30.Kg2 Rd8–/+) 30.Rh5+= f5 31.gf5 Ndf6 32.Qg2 Kh8 (32...Kf7 33.Rh7 Nh7 34.Qg6 Ke7 35.Qh7 Kd8 36.f6=) 33.Nf6= Rf6 Attacking the isolated pawn on f5 34.Kg1 Rf5? (34...Rf7 35.Qd5 cd5 36.Kf2+=) 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.

5.Nf3 h6

6.b5 c6 7.a4 Be6 8.Be2= a6 (8...0–0 9.0–0=) 9.Nc3 ab5 (9...0–0 10.0–0=) 10.ab5 Ra1 11.Qa1 Nbd7 (11...0–0 12.0–0=) 12.0–0 0–0 (12...d5 13.d4 e4 14.Ne5+=) 13.d4 e4 14.Nd2 d5 15.cd5 (15.Ba3 Bg4=) 15...cd5 16.f3 (16.Ba3 Re8+=) 16...Bf5 (16...ef3!? 17.Bf3 Qb6=) 17.fe4+= Ne4 (17...Be4 18.Qa7 Qb6 19.Qa2+=) 18.Nce4 (better is 18.Rf5!? Nd2 19.Rd5+/–) 18...Be4= 19.Ne4 de4 20.Bc4 (20.d5 Bf6 21.Bd4 Qe7+=) 20...Bf6 (20...Nb6 21.Bb3 Bd6 22.Ba3=) 21.Bd5+= Qb6 (21...Bg5 22.Be4 Be3 23.Kh1+=) 22.Be4 (22.Ba3 Qb5 23.Bf8 Qd5=) 22...Qb5 (22...Bg5 23.Re1 Qb5 24.Qa3+=) 23.Rb1 (23.Bf5 Nb6+=) 23...Qg5 (better is 23...Re8 24.Bc3 Qc4=) 24.Bc1 (24.Qa3 b5+=) 24...b6 (24...Qh4 25.Bd3 Qe1 26.Bf1–/+) 25.Qa7 (25.Bc6 Qh4 26.Ba3 Qg5+=) 25...Qg4 (better is 25...Bd4!? 26.ed4 Qh4–/+) 26.Bf3+= Qe6 27.h3 (27.Qa4 Rc8 28.Qd1 Bg5=) 27...Bg5 The backward pawn on e3 becomes a target (27...Rc8 28.Kh1 Rd8 29.Qc7+=) 28.Qa3 (28.e4 Bc1 29.Rc1 Rd8+=) 28...Re8 (28...Nf6 29.Qb3 Rc8 30.Bd2=) 29.e4 Bc1 30.Qc1 Nf6 (30...Rd8 31.Qc7 Qf6 32.e5+/–) 31.d5 (31.e5 Rc8 32.Qf4 Nd7+/–) 31...Qd6 (31...Qe7 A) 32.Rb6? Qa7–+ (32...Ne4?! 33.Qe3=); B) 32.Qc2=) 32.Qc6+= Qc6 (better is 32...Qe5!? 33.Rb4 Qf4+=) 33.dc6+/– Ne4 (33...Ne4 34.c7 Rc8 35.Be4 Rc7 36.Rb6 g6+–). GuestDZJW – GuestCDTH, freechess.org, 2017.

6.Qc2 0–0 7.Be2 (7.d4 e4 8.Nfd2 d5=) 7...Nc6 (7...e4 8.Ng1+=) 8.a3 (8.b5 Na5+=) 8...e4 9.Nd4 Nd4 10.Bd4 Bf5 11.0–0 c6 12.Bb2 (12.d3 c5 13.Bf6 Bf6=) 12...d5 13.cd5 cd5 14.Qb3 a6 15.b5 a5 16.a4 b6 17.f3 Bg6 18.fe4 de4 19.Bd4 Nd5 20.Bc4 Nf6 21.Nc3 Bc5? (better is 21...Rc8!?=) 22.Bf6+/– gf6 23.Nd5 f5 24.Qb2 f6?? (24...Be7 25.Qd4+– (worse is 25.Ne7 Qe7 26.Rac1 Rfd8+=)) 25.Rf4 (better is 25.Nb6 Kg7 26.Na8 Qa8 27.Rae1+–) 25...Kg7+/– 26.h4 (26.d4 Bd6+/–) 26...h5 (26...Bd6 27.d4=) 27.Raf1 (27.d4 Bd6+/–) 27...Bd6 28.Rf5 (28.d4!?+=) 28...Bf5= 29.Rf5 The pressure on the backward pawn f6 grows 29...Be5? (29...Kg6 30.Nf4 Bf4 31.Rf4=) 30.Qb1 (30.Re5 fe5 31.Qe5 Rf6 32.Nc7+– (32.Nf6?! Qf6 33.Qe4 Ra7+–; 32.Qf6?! Qf6 33.Nf6 Kf6+=)) 30...Qe8+/– 31.Be2?? (better is 31.Kh1 Bg3 32.Nb6+=) 31...Kg6?? (better is 31...Qe6 32.Re5 Qe5 33.Nb6 Ra7–/+) 32.Qf1 (better is 32.Bh5 Kf5 33.g4 (worse is 33.Be8 Rae8 34.g4 Kg4 35.Qe4 Kh3 36.Qf5 Kg3+–) 33...Ke6 34.Be8 Rae8 35.Qe4+–) 32...Rb8?? (better is 32...Qe6 33.Rh5 Kg7 34.Nb6 Rad8+/–) 33.Bh5+– Kg7 34.Be8 Rbe8 1–0. GuestNKFZ – asdferwer, freechess.org, 2017.

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 (7...0–0 8.Nc3 d5 9.b5=) 8.cd5 Nd5 9.a3 f5 (9...Bf5!?=) 10.Qh5+/– Kf8 11.Bc4 Be6 12.Nc3 Qd7 13.Bd5 Bd5 14.Nd5 Qd5 15.g4 g5 (15...a5 16.ba5 Ra5 17.Qf5 Qf5 18.gf5 Rf5 19.Ne4+/–) 16.gf5 Qf5 17.f3 Kg7 (17...Qf7 18.Qf7 Kf7 19.fe4+–) 18.fe4 Qg6 19.Qg6 (19.d5 Bf6 20.Qg6 Kg6+–) 19...Kg6 20.Rc1 c6 21.Nc4 Nd7 22.Na5 Rab8 (22...Rhb8 23.Ke2+–) 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 (32.Rc4 Ng3 33.Kd3 a6+–) 32...h5 (32...Ng3 33.Kd3 Rd7 34.Nd4+–) 33.Nd4 (33.Na7 Rd8 34.Ke1 Rd3+–) 33...g4 (33...Ree7 34.Ra6 Kg7 35.e6+–) 34.Ra6 (34.hg4 hg4 35.Rh4 Ng3 36.Kd3 Kg5 37.e6 Rf5 38.Nf5 Rd8 39.Nd6 Kh4+–) 34...Kg7 35.hg4 hg4 36.Rh4 Re5 (36...Nc3 37.Kd3 Nd1 38.Rg4 Kf8 39.Ke2 Nc3 40.Kd2 Nb1 41.Kc2 Re5 42.e4+–) 37.Rg4 Kf8 38.Ne6 Ke7 39.Re4! Re4 Theme: Deflection from g5 40.Ng5 Theme: Double Attack 40...Rff4 41.Kd3 Rb4 42.ab4 Rb4 43.Ra7 Kf6 44.Ne4 Ke6 45.Ra4 Rb1 46.Nc3 Re1 (46...Rb2 47.e4+–) 47.Kd4 Rh1 48.e4 Rc1 (48...Rh4 49.Ra6 Kf7 50.Nd5+–) 49.Ra6 Kd7 50.Nd5 (50.e5 Re1+–) 50...Rh1 51.Ra7 Ke8 (51...Kc6 52.Rc7 Kb5 53.Rc5 Ka6 54.e5 Rh4 55.Kd3 Rh3 56.Ke4+–) 52.Ke5 Re1 53.Nf6 Kd8 54.Ke6 Re2 (54...Kc8 55.e5+–) 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 (7...a5 8.a3=) 8.b5 Nb4 (8...Nb8 9.d4 e4 10.Nfd2+=) 9.d3 e4? (better is 9...Nd3!? 10.Bd3 Bd3 11.Qd3 e4+/–) 10.de4+– Be4 11.Nc3 0–0 (11...d5 12.a3 Nc2 13.Ne4 de4 14.Qc2 ef3 15.Bf3 Qc8+–) 12.Ne4 Ne4 13.a3 Bf6 (13...Nc6 14.bc6 bc6 15.Nd4+–) 14.Bf6 (14.ab4?! Bb2 15.Ra5 Nc3+=) 14...Qf6 15.ab4 Nc3 16.Qc2 Rfe8 (16...Ne2 17.Qe2 Rfd8 18.Qd3+–) 17.Bd3 d5 18.Ra3 dc4 19.Bh7 (worse is 19.Qc3 Qc3 20.Rc3 cd3+–; worse is 19.Rc3 cd3 20.Rd3 Qf5+–) 19...Kh8 20.Rc3 (worse is 20.Qc3 Qc3 21.Rc3 Kh7 22.Rc4 Re7+–) 20...g6 21.Bg6! fg6 (21...Qg6 22.Rc4 Decoy; 21...fg6 22.Rc4 Decoy) 22.Rc4 Re7 (22...Rac8 23.Rc7 Rc7 24.Qc7+–) 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.

5.h3 0–0

6.Nc3 c5+=.

6.d4 ed4 7.ed4 Re8 8.Bd3 (8.Be2!?–/+) 8...d5–+ 9.Ne2 Bb4 10.Nbc3 c5 (10...dc4!? 11.Bc4 Be6 12.Be6 Bc3 13.Bc3 Re6 14.0–0–+) 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!? Nc6 20.Bc6 bc6 21.Rc6=) 19...Nc6–/+ (worse is 19...Ba2 20.Bf6 Qf6 21.Qa4=) 20.Bb5 Ne5 21.Ne5 Qd1 22.Rfd1 Red8 23.Rd8 Rd8 24.Rc7? (better is 24.a4–/+) 24...Rd5–+ (24...Ba2?! 25.Rb7 Be6 26.Ra7+=) 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 (32...Bd5 33.Ra7–+) 33.Ra7 (33.a6 Nf4 34.Bb5 Bd5–+) 33...Nb4 (33...Ra2 34.Kg1–+) 34.Be4 Bd5 35.Bd5 Nd5 36.g3 (36.Ra6 Nb4 37.Ra8 Nc6–+) 36...Ra2 37.Kg2 Nb4 38.h4 Nc6 39.Ra6 Na5 40.Kh3 Ra3 0–1. Falco,Peter – Kanning,Thorsten, Rhein Main op 8th, 2005.

6.Nf3 c5 7.bc5= e4 8.cd6 Bd6 9.Nd4 Nc6 10.Be2 Nd4 11.Bd4 a5 (11...Re8 12.0–0+=) 12.c5 Be7 13.Nc3 Qc7 (13...Bf5 14.0–0+/–) 14.Qc2 Bf5 15.g4 Bg6 (15...Be6 16.Rb1+–) 16.h4 h6 (16...h5 17.gh5 Bf5 18.Rb1+–) 17.g5 hg5 18.hg5 Nh7 19.Nd5 (19.Ne4?! Ng5 20.d3 Ne6+/–) 19...Qd7 (19...Qd8 20.Ne7 Qe7 21.Qb2+–) 20.Nb6 (20.Nb6 Qc6 21.Na8 Ra8 22.Qb2+–; worse is 20.Ne7 Qe7 21.Qb2 Rfc8+–) 1–0. wiking – mestre_leonardo, queenalice.com, 2009.

6.Nf3 c6 7.Nc3 a5 8.b5 Bd7 (8...Nbd7 9.Qc2=) 9.d4 (9.Bd3 h6+=) 9...e4= 10.Nd2 d5 (10...cb5 11.cb5 d5 12.Be2=) 11.a4 (11.Be2 a4 12.0–0 dc4 13.bc6 Nc6 14.Nc4 Be6+=) 11...cb5 (11...Be6 12.Be2+=) 12.ab5+/– (worse is 12.Nd5 Nd5 13.cd5 ba4 14.Ne4 Bb4 15.Bc3 Na6+=; worse is 12.cd5 ba4 13.Nde4 Ne4 14.Ne4 Bb4 15.Bc3 Na6+=) 12...b6 (12...Be6!?+/–) 13.cd5+– Bb4 (13...Bf5 14.Qb3+–) 14.Bc4 Bc3 (14...Bf5!? 15.Qb3 Nbd7+–) 15.Bc3 Bf5 16.Bb4! Re8 (16...ab4 17.Ra4 Double attack (17.Ra8 Pinning; 17.Ra8 Deflection; 17.Ra4 Decoy)) 17.Qb3 Nbd7 18.Bc3 (better is 18.Bd6+–) 18...Nh5? (better is 18...Nf8+–) 19.g4 Bg4 (19...Bg6 20.gh5 Bh5+–) 20.hg4 Nhf6 21.d6 Rf8 (21...Ng4 22.Bf7 Kh8 23.Bd5+–) 22.g5 Ng4 (22...g6 23.Ke2+–) 23.Ne4 a4 (23...h6 24.Rg1 hg5 25.Rg4+–) 24.Qd1 Nf2 25.Kf2 Kh8 26.Rh7! Kh7 (26...Kh7 27.Qh5 Mate attack) 27.Qh5 Kg8 28.Rh1 Nf6 (28...Qf6 29.gf6 Nf6 30.Qh8) 29.Qh8 1–0. pierre – popow, internet, 2010.

6.Nf3 e4 7.Nd4 c5 8.bc5 (8.Nc2 cb4 9.Nb4 Qa5+=) 8...dc5 9.Nb3 Nc6 10.Nc3 Nb4 (10...Bf5 11.Qb1–/+) 11.Be2 (11.Qb1 Nd3 12.Bd3 ed3+=) 11...Nd3–/+ 12.Bd3 Qd3 13.Ne2 b6 14.Rc1 Qd7 15.Nf4 (15.Ng3 Bb7–/+) 15...Bb7 (15...Rd8 16.Bf6 Bf6 17.Nd5–/+) 16.0–0 Rad8 17.Qc2 Rfe8 18.a4 (18.Rcd1 Qa4–/+) 18...a5 (18...Qa4?! 19.Ra1 Qc6 20.Ra7=) 19.Ra1 Bc6 20.Be5 (20.Rfd1 g5 21.Ne2 Ba4–/+) 20...g5 (20...Ba4 21.Ra2–/+) 21.Ne2 (21.Qb2 gf4 22.Bf6 f3–/+) 21...g4 (21...Ba4 22.Qb2 Bb3 23.Qb3–/+) 22.Kh2 (22.Qb2 Qf5 (worse is 22...Ba4 23.Bf6 Bf6 24.Qf6 Bb3 25.Qg5 Kf8 26.Qh6 Kg8 27.Qg5 Kh8 28.Qf6 Kg8 29.Qg5=) 23.hg4 Ng4–/+ (23...Qg4? 24.Bf6 Bf6 25.Qf6+–)) 22...Qf5 (22...Ba4 23.Nf4–/+) 23.Bc7 gh3 (23...Bd6 24.Bd6 Rd6 25.Nf4–/+) 24.gh3 (24.Ng3 Qe6 25.Bb6 Ng4 26.Kg1 hg2 27.Kg2 Rb8 28.Ba5 Qh6+=) 24...Rc8–/+ 25.Bf4 (25.Bb6 Bd6 26.Ng3 Bd7–+) 25...Bd7 (25...Bd7 26.Ng1 Nh5–+) 0–1. marekt – 0404it, internet, 2010.

6.Nf3 Bf5 7.d4 (7.a3 Re8 8.d4 e4 9.Qc2 a5 10.d5 ab4 11.ab4 6.Nf3; 7.Be2 Nc6 8.b5 Nb4+=) 7...e4 8.Qc2 Qd7 (8...d5 9.a3+=) 9.Nh4= Bg6 (9...c6 10.Nf5 Qf5 11.Nd2=) 10.Be2 (better is 10.d5+=) 10...Ne8? (better is 10...d5=) 11.Ng6+– fg6 12.Bg4 Qd8 13.Nc3 (13.Qe4 c6+–) 13...Bh4 (13...Nf6 14.Be6 Kh8 15.a3+/–) 14.g3 (14.Ne4 Qe7+–) 14...Bg5 (14...Be7 15.0–0+–) 15.Ne4 (15.0–0 c6+–) 15...Be7 (15...Bf6 16.f3+–) 16.h4 (16.0–0 Kh8+–) 16...Nf6 (16...d5 17.Nc5 Nf6 18.Be6 Kh8+–) 17.Be6 Kh8 18.Ng5 Qe8 (18...d5 19.a3 a5 20.h5+–) 19.h5! gh5 (19...Nh5 20.Nh7 Pinning (20.Nh7 Decoy); 19...gh5 20.d5 Combination) 20.g4 (better is 20.d5 Qg6 21.Nf7 Rf7 22.Qg6 hg6 23.Bf7+–) 20...h6 (20...d5 21.c5 h6 22.Rh5+/–) 21.Rh5+– Nc6? (better is 21...d5 22.a3 a5 23.ba5 c6 24.cd5 Ra5+–) 22.d5 Ne5 23.Rh3 Qg6 24.Bf5 Qg5 25.f4 Qg4 (25...Qh4 26.Rh4 Nf3 27.Ke2 Nh4 28.Be6+–) 26.Bg4 (26.fe5?! Qg1 27.Ke2 Qg2 28.Kd3 Qg5=) 26...Neg4 27.Qg6 Rae8 (27...a5 28.ba5 Ra5 29.Rh4+–) 28.0–0–0 Kg8 (28...Bd8 29.Rg1 Re7 30.Rh4+–) 29.Bf6 (better is 29.Rg1 Rf7 30.Bf6 Bf6 31.Rg4+–) 29...Nf6 (29...Bf6 30.Qg4 Kf7+–) 30.Rh6 Ne4 (30...Rd8 31.Rdh1 Nh5 32.R1h5 Rf4 33.Rh8) 31.Rdh1 1–0. wiking – jamsession, internet, 2010.

6.Nf3 h6 7.Nc3 (7.d3 A) 7...Be6 8.Be2 a5 (8...Nbd7 9.0–0 a5 10.b5 Re8 11.d4 e4; 8...Re8 9.0–0 c6 10.Nc3 Nbd7 11.a3 a5; 8...c6 9.Nc3 Nbd7 10.0–0 d5 11.a3 a5; 8...a6 9.0–0 Re8 10.a3 b5 11.Nc3 bc4) 9.b5 Nbd7 10.Nc3 Nb6 11.0–0 a4; B) 7...Na6 8.a3 c5 9.Qd2 Re8 10.Be2 e4 11.Nh2 cb4; C) 7...a6 C1) 8.a3 a5 (8...Be6 9.d4 e4 10.Nfd2 c6 11.Nc3 d5; 8...Bf5 9.Be2 Re8 10.0–0 a5 11.b5 Be6; 8...Re8 9.Be2 c6 10.0–0 Be6 11.Nc3 Nbd7; 8...Bd7 9.Be2 Bc6 10.Nc3 b5 11.0–0 bc4) 9.b5 c6 10.Nc3 Be6 11.d4 e4; C2) 8.Be2 Bf5 (8...Re8 9.0–0 Nc6 10.a3 Be6 11.d4 ed4; 8...Nc6 9.a3 Bf5 10.0–0 Re8 11.Nc3 Qd7; 8...Be6 9.0–0 Re8 10.Nc3 Nbd7 11.a3 Nb6; 8...b5 9.0–0 Be6 10.Qc2 bc4 11.dc4 Nbd7) 9.0–0 Nc6 10.a3 Re8 11.Nc3 Qd7) 7...a6 (7...a5 A) 8.ba5 Ra5 (8...Nc6 9.d4 Bf5 10.de5 de5 11.Qb3 Bd6; 8...c6 9.Be2 Qa5 10.e4 b5 11.cb5 cb5) 9.d4 Bf5 10.Be2 Nc6 11.0–0 b6; B) 8.b5= e4 9.Nd4 c5 10.Nc2 Nbd7 11.d3 ed3; 7...e4 8.Nd4 c5 (8...d5 9.a3 a5 10.ba5 c6 11.Nb3 Be6; 8...Na6 9.Nc2 d5 10.a3 c5 11.Nd5 Nd5) 9.Nc2 Nc6 10.d3 ed3 11.Bd3 Nb4) 8.Bd3 (8.d4 e4 9.Nd2 d5 10.a3 c6 11.Be2 Bf5; 8.e4 Nc6 (8...a5 9.b5 Nbd7 10.Be2 a4 11.d4 Re8; 8...Re8 9.Be2 Nc6 10.a3 Nd4 11.0–0 Be6) 9.a3 a5 10.b5 Nd4 11.Bd3 Nf3; 8.Be2 e4 9.Nd4 c5 10.Nc2 Nc6 11.bc5 dc5) 8...Nc6 (8...Be6 9.0–0 a5 10.b5 Nbd7 11.Be2 Nb6; 8...Re8 9.0–0 a5 10.b5 Be6 11.Be2 c5; 8...Ra7 9.0–0 Nc6 10.b5 Na5 11.Be2 Be6; 8...Bd7 9.0–0 Nc6 10.a3 Be6 11.Qc2 Qd7) 9.a3 Bd7 (9...Be6 10.0–0= (10.Qc2 Nd7 11.Nd5 f5) 10...Re8 11.e4 Qd7) 10.0–0 Be6 11.Qc2 d5 (11...Re8!?=) 12.cd5+/– Nd5 (12...Bd5 13.Nd5 Qd5 14.Bc4+/–) 13.Nd5 Bd5 14.Ne5 Ne5 15.Be5 Bf6 (15...Bd6 16.Bd6 cd6 17.Rfc1+/–) 16.Bf6 Qf6 17.Rac1 (17.Qc7 Rfd8 18.Qc2 Rac8+/–) 17...Bc6 (17...c6 18.Qc3+/–) 18.f3 Rad8 (18...Qd6 19.Bh7 Kh8 20.Be4 Be4 21.fe4+/–) 19.Bh7 (19.Ba6 Rfe8+–) 19...Kh8+/– 20.Be4 Be4 21.fe4 Qg5 22.Rf5 (22.Qc7?! Rd2 23.Rf2 Rf2 24.Kf2 Qh4 25.Qg3 Qe4=) 22...Qg3? (better is 22...Qg6!?+/–) 23.Qc7+– Rd2?? (23...Qc7 24.Rc7 Rd2 25.Rb7 f6+–) 24.Qg3 1–0. pereira – pgpl, internet, 2009.

6.Nf3 a6

7.Nc3 A) 7...Bf5 A1) 8.d4 Nc6 (8...a5 9.b5 e4 10.g4 Be6 11.Nd2 d5; 8...c6 9.g4 Be6 10.g5 Nfd7 11.d5 Bf5) 9.a3 ed4 10.Nd4 Nd4 11.Qd4 a5; A2) 8.g4 Bg6 9.Nh4 Nc6 10.Ng6 fg6 11.a3 Ra7; A3) 8.d3 Nc6 (8...a5 9.b5 Nbd7 10.Be2 Nb6 11.0–0 a4; 8...Re8 9.g4 Be6 10.d4 e4 11.Ng5 d5) 9.a3 Qd7 10.g4 Bg6 11.Nh4 Nd8; A4) 8.a3 a5 (8...Nbd7 9.d4 a5 10.Nh4 ab4 11.Nf5 bc3) 9.b5 c6 10.Be2 cb5 11.Nb5 Nc6; B) 7...Nc6 8.a3 Re8 (8...Be6 9.d4 ed4 10.Nd4 Nd4 11.Qd4 c5; 8...a5 9.b5 Nb8 10.d4 Nbd7 11.Bd3 Re8; 8...Bf5 9.d4 ed4 10.Nd4 Nd4 11.Qd4 Re8; 8...Bd7 9.d4 ed4 10.Nd4 Nd4 11.Qd4 c5) 9.d4 a5 10.b5 ed4 11.ed4 Nb8; C) 7...a5 8.b5 c6 (8...Be6 9.d4 ed4 10.Nd4 Nbd7 11.Be2 Nc5; 8...c5 9.Be2 Bf5 10.0–0 e4 11.Ne1 d5; 8...Nbd7 9.Be2 e4 10.Nd4 Re8 11.0–0 Nc5; 8...Re8 9.d4 Nbd7 10.Be2 ed4 11.Nd4 Nc5) 9.d4 e4 10.Nd2 d5 11.Be2 Be6; D) 7...e4 8.Ng5 Bf5= (8...d5 9.cd5 Bb4 10.Nge4 Ne4 11.Ne4 Qd5) 9.g4 Bg6 10.h4 h6 11.h5 Bh5.

7.d3 A) 7...a5 8.b5 a4 (8...Bf5 9.Be2 a4 10.0–0 c6 11.a3 cb5; 8...Nbd7 9.Nc3 Nb6 10.Be2 Re8 11.0–0 a4; 8...Re8 9.Be2 a4 10.a3 Nbd7 11.Nc3 Nc5; 8...Be6 9.Be2 Nbd7 10.0–0 a4 11.a3 Nc5) 9.Be2 Re8 10.0–0 c6 11.Nc3 a3; B) 7...Bf5 B1) 8.a3 a5 9.g4 Be6 10.b5 Nbd7 11.Ng5 Nc5; B2) 8.Nc3 Nc6 (8...a5 9.b5 Nbd7 10.Be2 Nb6 11.d4 a4; 8...Ra7 9.Be2 Nbd7 10.0–0 c5 11.a3 Qb6) 9.a3 Ra7 10.Be2 Re8 11.0–0 Be6; B3) 8.Be2 a5 (8...Nbd7 9.d4 a5 10.ba5 ed4 11.Nd4 Bg6; 8...Nc6 9.a3 Re8 10.0–0 h6 11.Nc3 Qd7; 8...Re8 9.0–0 a5 10.b5 Nbd7 11.e4 Be6; 8...Qd7 9.0–0 Nc6 10.a3 Rfe8 11.Nc3 Rad8) 9.b5 Re8 10.0–0 e4 11.Nd4 Bg6; C) 7...Bd7 8.Be2 Nc6 (8...Re8 9.0–0 h6 10.Nc3 b5 11.a3 bc4; 8...d5 9.a3 e4 10.Ne5 dc4 11.de4 b5; 8...Be6 9.0–0 Nc6 10.a3 Re8 11.d4 ed4; 8...Ra7 9.0–0 Re8 10.a3 Nc6 11.Nc3 Be6) 9.a3 Re8 10.d4 e4 11.Nfd2 d5.

7.Be2 Nc6 8.a3 (8.b5 ab5 9.cb5 Nb4 10.Nc3 Bf5 11.d3 Be6) 8...Bf5 (8...e4 9.Nd4+= Nd4 10.Bd4 a5 11.d3 ab4) 9.d4= (9.d3 Re8 10.0–0 Qd7 11.Nc3 Be6) 9...ed4 (9...e4 10.Nfd2= d5 11.Nc3 dc4) 10.Nd4 Nd4 11.Qd4 Bb1 (11...a5!? 12.0–0 Re8=; 11...c5=) 12.Rb1+= Re8 13.0–0 Bf8 (13...a5 14.b5+/–) 14.Bd3 Qe7 15.Rfe1 Rad8 (15...a5 16.Qh4 Ne4 17.Qe7 Re7 18.f3+/–) 16.Qf4 (16.Qh4 Ne4 17.Qe7 Re7+/–) 16...Qe6 (16...Nd7 17.Bc2+/–) 17.Bf5 Qe7 18.b5 (18.Qh4 h6+/–) 18...ab5 (18...Ne4 19.b6 cb6 20.Red1+=) 19.cb5 (19.Qh4 h6 20.Bf6 Qf6 21.Qf6 gf6 22.Rb5+/–) 19...g6 (better is 19...Ne4!?+/–) 20.Bg6!+– Nd5? (20...fg6 21.Qf6; 20...hg6 21.Qf6) 21.Bf7! Qf7 22.Qg5 Bg7 23.Bg7 (23.Bg7 Ra8 24.Bd4 Kf8 25.e4+–) 1–0. pereira – gjdi, internet, 2009.

7.Be2 e4 8.Nd4 c5 9.Nc2 Nc6 10.a3 d5 11.bc5 dc4.

6.Nf3 b6

7.b5 A) 7...e4 8.Nd4 Bb7 (8...a6 9.Nc3 ab5 10.cb5 Bb7 11.Be2 Nbd7 12.0–0 Nc5; 8...Nbd7 9.Nc3 Ne5 10.Be2 a6 11.a4 ab5 12.ab5 Ra1; 8...h6 9.Nc3 Bb7 10.Be2 Nbd7 11.Nc6 Qe8 12.0–0 Bc6) 9.Nc3 a6 10.a4 Nbd7 11.Nc6 Qe8 12.d4 ed3; B) 7...a6 B1) 8.Nc3 Nbd7 (8...ab5 9.cb5 Nbd7 10.Be2 e4 11.Nd4 Nc5 12.0–0 Bb7; 8...Bb7 9.Be2 ab5 10.cb5 e4 11.Nd4 Nbd7 12.0–0 Nc5; 8...e4 9.Nd4 ab5 10.cb5 Bb7 11.Be2 Nbd7 12.0–0 Nc5; 8...h6 9.Qc2 ab5 10.cb5 Bb7 11.Be2 c5 12.e4 Nbd7; 8...c5 9.Bd3 ab5 10.cb5 Qc7 11.Qc2 Bb7 12.Ne4 Nbd7) 9.Be2 Bb7 10.0–0 ab5 11.cb5 e4 12.Nd4 Nc5; B2) 8.Be2 Bd7 (8...ab5 9.cb5 c5 10.d3 Be6 11.0–0 h6 12.Nbd2 Nbd7; 8...e4 9.Nd4 ab5 10.cb5 Bb7 11.0–0 Nbd7 12.Qc2 Nc5; 8...Bb7 9.Nc3 ab5 10.cb5 e4 11.Nd4 Nbd7 12.0–0 Nc5; 8...c5 9.Nc3 ab5 10.Nb5 e4 11.Ng5 d5 12.cd5 Qd5; 8...c6 9.Qc2 cb5 10.cb5 ab5 11.Bb5 Bd7 12.Nc3 Bb5; 8...Bf5 9.Nc3 ab5 10.cb5 Nbd7 11.0–0 Qc8 12.g4 Be6; 8...h6 9.Qc2 ab5 10.cb5 Bb7 11.0–0 c5 12.Nc3 Nbd7; 8...Nbd7 9.Nc3 ab5 10.cb5 e4 11.Nd4 Nc5 12.0–0 Bb7 ) 9.Qc2 e4 10.Nd4 ab5 11.cb5 Qc8 12.Nc3 c5; C) 7...Bb7 C1) 8.Be2 a6 (8...e4 9.Nd4 a6 10.0–0 ab5 11.cb5 Nbd7 12.Nc3 Nc5; 8...Nbd7 9.Nc3 a6 10.0–0 ab5 11.cb5 e4 12.Nd4 Nc5; 8...c5 9.Nc3 e4 10.Nh2 Nbd7 11.Ng4 Ne8 12.0–0 f5; 8...Qd7 9.0–0 e4 10.Nd4 c5 11.bc6 Nc6 12.Nc6 Bc6) 9.Nc3 ab5 10.cb5 e4 11.Nd4 Nbd7 12.0–0 Nc5; C2) 8.Nc3 Qc8 (8...Qd7 9.d3 a6 10.Be2 ab5 11.cb5 Qe6 12.0–0 Nbd7; 8...c5 9.Qb1 a6 10.Bd3 ab5 11.cb5 Qc7 12.e4 c4; 8...e4 9.Nd4 a6 10.Be2 ab5 11.cb5 Nbd7 12.0–0 Nc5; 8...a6 9.Be2 ab5 10.cb5 e4 11.Nd4 Nbd7 12.0–0 Nc5; 8...Nbd7 9.Be2 a6 10.0–0 ab5 11.cb5 e4 12.Nd4 Nc5) 9.Be2 e4 10.Nd4 c5 11.bc6 Nc6 12.0–0 Nd4; D) 7...h6 8.Be2 (8.Nc3 a6 9.Bd3 Nbd7 10.0–0 Nc5 11.Be2 ab5 12.cb5 e4) 8...a6 9.Nc3 ab5 10.cb5 c5 11.Qc2 Nbd7 12.e4 Bb7.

7.Nc3= Bb7 8.Be2 (8.Qc2 Qc8 (8...h6 9.Bd3 a5 10.b5 Nbd7 11.Ba3 d5 12.Be7 Qe7) 9.Bd3 g6 10.Ba3 Qd7 11.Ne4 Na6 12.b5 Nc5; 8.b5 a6 9.Qc2 ab5 10.cb5 Nbd7 11.Be2 e4 12.Nd4 Ne5) 8...Nbd7 (8...Na6 9.a3= c5 10.Qa4 Qe8 11.b5 Nc7 12.Qc2 Qd7; 8...Qd7 9.b5 e4 10.Nd4 c5 11.Nb3 a5 12.a4 Qe6; 8...e4 9.Nd4 Qd7 10.b5 c5 11.bc6 Nc6 12.0–0 Rfc8) 9.0–0 a5 (9...e4 10.Nd4 g6 11.b5 Nc5 12.Nc6 Qd7) 10.b5 Nc5 (10...e4 11.Nd4 Ne5 12.f4 ef3) 11.d4 Ncd7 (11...ed4!? 12.ed4 Nce4=) 12.Qc2+/– h6 (12...ed4+/–) 13.Rad1 Qc8 14.de5 Ne5 (14...de5 15.Nd5 Nd5 16.cd5+/– (16.Rd5?! Bd5 17.cd5 Bd6=)) 15.Nd4 Ng6 16.Nf5 Re8 (16...Qd8!?+/–) 17.Nd5+– Bd5 (17...Nd5 18.cd5 (18.Rd5?! Bd5 19.cd5 Bf8+/–) 18...Bf8 19.Bh5+–) 18.cd5 (18.Rd5?! Nd5 19.cd5 Bf8+/–) 18...Bd8 19.f4 (19.Bd4 Qd7+–) 19...Ne7 20.Ne7 Be7 21.e4 Nd7 22.Bg4 Qd8 23.Rfe1 White plans e5 23...Nc5 (23...a4 24.e5 de5 25.fe5+–) 24.e5 Bf8? (better is 24...Bh4 25.Re2 Rf8+–) 25.e6 f6 (25...Re7+–) 26.Qg6 1–0. pierre – Gibasaur, chesshere.com, 2008.

7.Nc3= c5 A) 8.a3 Nc6 (8...Qd7 9.Bd3 Na6 10.Qb3 Bb7 11.e4 Nc7 12.0–0 Ne6; 8...Bb7 9.Qc2 Na6 10.b5 Nc7 11.Bd3 Qd7 12.Ng5 h6) 9.b5 Na5 10.Bd3 Bb7 11.Qc2 Qd7 12.e4 a6; B) 8.bc5 bc5 9.Bd3 Nc6 10.a3 h6 11.0–0 Be6 12.Rb1 Qd7.

6.Nf3 Nc6

7.b5+= Nb8 8.Nc3 c6 9.Be2 cb5 10.cb5 a6 11.a4 ab5 (11...Nbd7 12.0–0=) 12.ab5 White creates threats along the open a–file. 12...Ra1 13.Qa1 Be6 14.Qa7 Qc7 15.0–0 Nbd7 16.Ng5 (16.Rc1 Qb6 17.Qb6 Nb6+=) 16...Bf5= 17.f4 (17.Rc1 Nc5 18.d4 ed4 19.ed4+=) 17...h6 (better is 17...Nb6!? 18.fe5 de5+=) 18.fe5+/– Ne5 (18...de5!? 19.Rf5 hg5 20.Rg5 Rd8+/–) 19.Rf5+– hg5 20.Rg5 Nfd7? (better is 20...Qd7!?+–) 21.Nd5 Threatening mate... how? 21...Qd8 22.Rf5 Ng6 (22...b6 23.Bd4+–) 23.Qb7 Nc5 24.Qc6 (24.Ne7?! Ne7 25.Rc5 dc5+/–) 24...Qa5 (24...Bh4 25.Bc4+–) 25.Bh5 Qd2 (25...Qd8+–) 26.Bg6 fg6 (26...Bg5 27.Bf7! Kh7 28.Rg5 Rf7 29.Rh5 Kg6 30.Qd6 Kh5 31.Nf4 Rf4 32.Qd2 Rf6 33.Qd5 Kg6+–) 27.Ne7 Kh7 28.Rf8 Qe3 29.Kh2 Qe7 30.Qc8 g5 Plans Qd7 31.Qf5 1–0. pierre – takxix, internet live, 2010.

7.b5 Nb8 8.Nc3 Nbd7 9.Qc2 A) 9...a6 A1) 10.d4 ed4 (10...ab5 11.cb5 ed4 12.ed4 Re8 13.Bd3 Bf8 14.Be2 Nb6 15.0–0 Nbd5; 10...Re8 11.Be2 ab5 12.cb5 ed4 13.Nd4 d5 14.0–0 Ne5 15.Rfd1 Ba3) 11.Nd4 ab5 12.cb5 Nc5 13.Be2 d5 14.0–0 Qd6 15.a4 Qe5; A2) 10.ba6 Ra6 (10...g6 11.ab7 Bb7 12.Be2 e4 13.Nd4 c5 14.Ndb5 Ne5 15.0–0 Qd7; 10...b6 11.Be2 Ba6 12.0–0 Bb7 13.d4 ed4 14.ed4 Re8 15.Rfe1 Ra5; 10...h6 11.ab7 Bb7 12.Be2 Nc5 13.0–0 Qd7 14.d4 ed4 15.Nd4 Rfb8; 10...Nc5 11.ab7 Bb7 12.Be2 Qd7 13.0–0 Rfb8 14.Rfb1 Na4 15.Na4 Qa4) 11.Be2 g6 12.d4 ed4 13.ed4 Nb6 14.0–0 Bf5 15.Qb3 Re8; A3) 10.Bd3 g6 (10...ab5 11.cb5 Nc5 12.0–0 Nd3 13.Qd3 h6 14.a4 c6 15.Ne4 Qc7; 10...Nc5 11.0–0 Nd3 12.Qd3 ab5 13.cb5 h6 14.Qc2 Be6 15.d4 ed4) 11.0–0 ab5 12.cb5 Nc5 13.e4 Nd3 14.Qd3 Bd7 15.a4 c6; A4) 10.Be2 ab5 (10...g6 11.d4 ed4 12.Nd4 ab5 13.cb5 d5 14.0–0 Nc5 15.a4 Qd6; 10...h6 11.0–0 ab5 12.cb5 d5 13.a4 e4 14.Nd4 Ne5 15.a5 Bb4; 10...Nc5 11.d4 ed4 12.ed4 Ne6 13.0–0 Nf4 14.Rfe1 Re8 15.Bf1 ab5; 10...Re8 11.0–0 Nc5 12.d4 ed4 13.ed4 Ne6 14.Qd2 ab5 15.cb5 d5) 11.cb5 d5 12.0–0 e4 13.Nd4 Ne5 14.a4 c5 15.bc6 bc6; B) 9...Re8 B1) 10.d4 ed4 (10...a6 11.Be2 ab5 12.cb5 ed4 13.Nd4 d5 14.0–0 Ne5 15.a4 Bb4) 11.Nd4 a6 12.Be2 ab5 13.cb5 d5 14.0–0 Ne5 15.a4 Bb4; B2) 10.Bd3 Nc5 (10...a6 11.Ne4 Ne4 12.Be4 g6 13.0–0 ab5 14.cb5 Nb6 15.Bd3 Na4; 10...g6 11.Na4 a6 12.0–0 ab5 13.cb5 e4 14.Be4 Ra4 15.Bb7 Nb6) 11.0–0 Nd3 12.Qd3 h6 13.Nd5 e4 14.Ne7 Qe7 15.Qe2 ef3; B3) 10.Be2 a6 (10...Nc5 11.d4 ed4 12.Nd4 a6 13.0–0 ab5 14.cb5 d5 15.Bf3 Qd6; 10...h6 11.0–0 Nc5 12.d4 ed4 13.Nd4 a6 14.a4 Bd7 15.Bf3 Bf8; 10...g6 11.d4 a6 12.0–0 ab5 13.cb5 c5 14.de5 Ne5 15.Ne5 de5; 10...Nb6 11.d4 ed4 12.Nd4 a6 13.0–0 ab5 14.cb5 d5 15.Bf3 Bb4) 11.0–0 Nc5 12.d4 ed4 13.Nd4 ab5 14.cb5 d5 15.Bf3 Qd6; C) 9...g6 10.d4 a6 (10...ed4 11.Nd4 a6 12.Be2 ab5 13.cb5 d5 14.a4 Nc5 15.a5 Qd6; 10...c5 11.bc6 bc6 12.Bd3 Rb8 13.0–0 Ba6 14.Rab1 Qa5 15.Rfe1 Rfe8; 10...c6 11.bc6 bc6 12.Bd3 Rb8 13.0–0 Ba6 14.Rab1 Qa5 15.Na4 Qc7; 10...Re8 11.Be2 a6 12.0–0 ab5 13.de5 Ne5 14.Ne5 de5 15.Rfd1 Bf5) 11.Be2 ed4 12.Nd4 ab5 13.cb5 d5 14.a4 Ne5 15.0–0 Re8; D) 9...Nc5 10.d4 ed4 (10...e4 11.Ng5 h6 12.Nge4 Nce4 13.Ne4 a6 14.Nf6 Bf6 15.Bd3 ab5) 11.ed4 Ne6 12.Bd3 Nf4 13.0–0 g6 14.Rae1 a6 15.Re3 ab5.

7.b5 Nb8 8.Nc3 Nbd7 9.d4 A) 9...a6 A1) 10.Be2 ed4 (10...ab5 11.cb5 e4 12.Nd2 d5 13.Qb3 Nb6 14.0–0 Ra5 15.a4 Re8; 10...e4 11.Nd2 ab5 12.cb5 d5 13.Qb3 Nb6 14.a4 Ra5 15.0–0 Bf5; 10...h6 11.Qc2 ab5 12.cb5 ed4 13.Nd4 d5 14.0–0 Nc5 15.a4 Qd6) 11.ed4 ab5 12.cb5 Nb6 13.0–0 Be6 14.Ng5 Bf5 15.Bd3 Bd3; A2) 10.Qc2 ab5 (10...ed4 11.Nd4 ab5 12.cb5 d5 13.Be2 Nc5 14.0–0 Qd6 15.Rfc1 Qe5; 10...Re8 11.Bd3 ed4 12.ed4 Bf8 13.Be2 g6 14.0–0 Nb6 15.Bd3 ab5) 11.cb5 ed4 12.ed4 Re8 13.Bd3 Bf8 14.Be2 Nb6 15.0–0 Nbd5; A3) 10.Bd3 ed4 (10...Re8 11.0–0 ed4 12.ed4 Nb6 13.Re1 ab5 14.cb5 Nfd5 15.a4 Nc3; 10...h6 11.0–0 ed4 12.ed4 ab5 13.cb5 Nb6 14.Re1 Be6 15.Qc2 Nbd5; 10...ab5 11.cb5 h6 12.Qc2 ed4 13.ed4 Nb6 14.0–0 Be6 15.a4 Nbd5) 11.ed4 d5 12.ba6 Ra6 13.0–0 dc4 14.Bc4 Ra5 15.Re1 Nb6; B) 9...c5 B1) 10.Be2 a6 (10...ed4 11.ed4 Re8 12.0–0 Nb6 13.Rc1 Be6 14.d5 Bf5 15.Re1 a6; 10...cd4 11.ed4 ed4 12.Qd4 Ne5 13.0–0 Qc7 14.Rac1 Bf5 15.Nh4 Bd7; 10...Re8 11.0–0 ed4 12.ed4 Nb6 13.d5 Bf5 14.Re1 h6 15.Bd3 Qd7; 10...Qc7 11.0–0 cd4 12.ed4 h6 13.Rc1 Qa5 14.Re1 Re8 15.Bf1 a6; 10...h6 11.0–0 Qc7 12.Rc1 ed4 13.ed4 Nb6 14.Re1 Re8 15.Bd3 Bd7) 11.ba6 ed4 12.ed4 cd4 13.Nd4 Ra6 14.0–0 Qb6 15.Qd2 Nc5; B2) 10.Bd3 cd4 (10...ed4 11.ed4 cd4 12.Nd4 Ne5 13.0–0 Be6 14.Ne6 fe6 15.Ne4 Nd3) 11.ed4 ed4 12.Nd4 Ne5 13.0–0 Be6 14.Nd5 Nd5 15.Ne6 fe6; C) 9...Re8 C1) 10.Bd3 ed4 11.Nd4 Ne5 12.0–0 a6 13.a4 ab5 14.cb5 c5 15.bc6 bc6; C2) 10.Qc2 a6 (10...ed4 11.Nd4 a6 12.Be2 ab5 13.cb5 d5 14.0–0 Ne5 15.Rfd1 Ba3) 11.Be2 ab5 12.cb5 ed4 13.Nd4 d5 14.0–0 Ne5 15.Rfd1 Ba3; C3) 10.Be2 ed4 (10...a6 11.0–0 ab5 12.cb5 ed4 13.Nd4 d5 14.a4 Ne5 15.Qb3 Bc5; 10...c5 11.0–0 ed4 12.ed4 cd4 13.Qd4 Qb6 14.Rad1 Ne5 15.Qb6 ab6; 10...h6 11.0–0 a6 12.a4 ed4 13.Nd4 ab5 14.ab5 Ra1 15.Qa1 Nc5; 10...g6 11.0–0 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 ed4 15.Nd4 Nc5; 10...Nb6 11.de5 de5 12.Qd8 Rd8 13.Ne5 Be6 14.Rc1 Bd6 15.f4 Bc5) 11.Nd4 Nc5 12.0–0 a6 13.Qc2 ab5 14.cb5 d5 15.a4 Bd6; D) 9...ed4 D1) 10.Qd4 c5 (10...Nc5 11.Be2 h6 12.0–0 Be6 13.Nd2 a6 14.a4 Qd7 15.Bf3 ab5; 10...h6 11.Be2 Nc5 12.0–0 a6 13.Qf4 Nh5 14.Qh2 Nf6 15.a4 Bf5; 10...a6 11.Be2 ab5 12.cb5 c5 13.bc6 bc6 14.0–0 Nc5 15.e4 Rb8) 11.Qf4 Nh5 12.Qe4 Nhf6 13.Qf4 Nh5 14.Qe4 Nhf6 15.Qf4 Nh5; D2) 10.ed4 d5 (10...Re8 11.Bd3 Bf8 12.Be2 Nb6 13.0–0 d5 14.c5 Nc4 15.Qb3 Nb2) 11.c5 Re8 12.Be2 a6 13.Qa4 Rb8 14.0–0 ab5 15.Bb5 c6; D3) 10.Nd4 a6 (10...Nc5 11.Bd3 a6 12.0–0 Bd7 13.Bc2 ab5 14.cb5 d5 15.Qf3 c6; 10...h6 11.Be2 Nc5 12.0–0 a6 13.a4 ab5 14.ab5 Ra1 15.Qa1 Nfe4; 10...Re8 11.Be2 Nc5 12.0–0 Nfe4 13.Qc2 Nc3 14.Bc3 Bf6 15.Bf3 Qe7) 11.Bd3 ab5 12.cb5 Ne5 13.0–0 c5 14.bc6 bc6 15.Be2 c5.

7.b5 Nb8 8.Nc3 Nbd7 9.Be2 a6 A) 10.Qc2 ab5 (10...g6 11.d4 ed4 12.Nd4 ab5 13.cb5 d5 14.0–0 Nc5 15.a4 Qd6; 10...Nc5 11.d4 ed4 12.ed4 Ne6 13.0–0 Nf4 14.Rfe1 Re8 15.Bf1 ab5; 10...h6 11.0–0 ab5 12.cb5 d5 13.d4 e4 14.Nd2 c5 15.bc6 bc6) 11.cb5 d5 12.d3 Bd6 13.0–0 Qe8 14.d4 e4 15.Nd2 Qe6; B) 10.d4 ed4 (10...ab5 11.cb5 ed4 12.ed4 Nb6 13.0–0 Be6 14.Ng5 Bf5 15.Bd3 Bd3; 10...e4 11.Nd2 ab5 12.cb5 d5 13.Qb3 Nb6 14.0–0 Bd7 15.a4 Ra5) 11.Qd4 Nc5 12.0–0 h6 13.Qf4 Ne6 14.Qg3 Bd7 15.a4 Nh5; C) 10.a4 ab5 (10...Nc5 11.0–0 Bf5 12.d4 ed4 13.Nd4 Bg6 14.f4 Be4 15.Ne4 Nfe4; 10...h6 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Nc5 14.d4 ed4 15.ed4 Ne6; 10...g6 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Nc5 14.d4 ed4 15.ed4 Ne6; 10...e4 11.Nd4 Nc5 12.0–0 Be6 13.Qc2 Qd7 14.a5 h6 15.f3 ef3; 10...Re8 11.0–0 Nc5 12.d4 ed4 13.ed4 Ne6 14.Qd2 b6 15.Rfe1 Bb7) 11.cb5 e4 12.Nd4 Ne5 13.0–0 c5 14.bc6 bc6 15.f4 ef3; D) 10.ba6 Ra6 (10...b6 11.0–0 Ba6 12.d4 Bb7 13.Qc2 ed4 14.ed4 Re8 15.Rfe1 Ra5; 10...Nc5 11.ab7 Bb7 12.0–0 Qd7 13.d4 ed4 14.Nd4 Nfe4 15.Nd5 Bh4) 11.0–0 Nc5 12.d4 ed4 13.ed4 Ne6 14.Qd2 Bd7 15.Nd5 h6; E) 10.0–0= ab5 (10...e4 11.Nd4 ab5 12.cb5 Ne5 13.f3 ef3 14.Nf3 Be6 15.Qc2 Qd7) 11.cb5 e4 12.Nd4 Ne5 13.Qc2 d5 14.f4 ef3 15.Nf3 Nf3.

7.b5 Nb8 8.Nc3 Nbd7 9.Be2 Nb6 10.d4+= (10.0–0 Be6 (10...Bf5 11.d4 e4 12.Nd2 d5 13.g4 Be6 14.cd5 Nbd5 15.Nde4 Ne4; 10...Re8 11.d4 Bf5 12.de5 de5 13.Ne5 Bc5 14.Nf3 Qd1 15.Rfd1 Be6; 10...h6 11.d4 ed4 12.Nd4 a6 13.Qc2 ab5 14.cb5 d5 15.Bf3 Bd7; 10...Qe8 11.Qc2 Be6 12.Ng5 Bd7 13.a4 h6 14.Nge4 a5 15.d4 ed4) 11.Qb3 d5 12.cd5 Nfd5 13.Qc2 f6 14.d4 ed4 15.Nd4 Qd7; 10.Qb3 a6 (10...a5 11.0–0 a4 12.Qc2 Be6 13.Ng5 a3 14.Bc1 Bc8 15.Re1 h6; 10...Bf5 11.0–0 a5 12.ba6 Ra6 13.d4 Nbd7 14.c5 ed4 15.ed4 Ra8; 10...h6 11.0–0 Bf5 12.a4 Nbd7 13.d4 c5 14.de5 Ne5 15.Rad1 Qb6) 11.ba6 ba6 12.d4 Rb8 13.Qc2 Bb7 14.de5 de5 15.Rd1 Qc8) 10...ed4 (10...Be6 11.Qb3 ed4 12.Nd4 d5 13.Ne6 fe6 14.cd5 Nfd5 15.0–0 Qe8; 10...e4 11.Nd2 Bf5 12.g4 Bg6 13.h4 h6 14.Qc2 Qd7 15.g5 hg5) 11.Qd4 Be6 (11...h6 12.0–0 Be6 13.a4 a5 14.Rfe1 d5 15.cd5 Nbd5) 12.0–0 (12.Ng5 Bf5+= 13.0–0 h6 14.e4 Bg6 15.Nf3 Qd7) 12...Nfd7= 13.Ne4 Bf6 14.Nf6 Qf6 15.Rac1 (15.Nd2 Qd4) 15...Qd4 (15...Na4 16.Qf6 gf6 17.Ba1=) 16.ed4+= Nf6 17.Rfe1 Rfe8 18.Bd3 Bd7 19.g4 (19.d5 Na4 20.Bd4 b6+=) 19...Re1 20.Re1 Re8 (20...d5 21.c5 Nc4 22.Bc1+=) 21.Re8 Be8 22.Bc1 (22.Nd2 Na4 23.Ba1 d5+=) 22...h6 (22...d5 23.c5 Nc4 24.a4+=) 23.Bd2 (23.Bf4 Na4+=) 23...Bd7 (23...d5 24.cd5 Nfd5 25.Ne5=) 24.Kg2 Be6 (24...Na4 25.Ba5 Nb2 26.Be2+=) 25.d5+/– Bd7 (25...Bc8 26.Be3+/–) 26.Be3 Kf8 27.Kg3 (27.Nd2 Ke7+/–) 27...Ke8 (27...Ke7 28.Nd2+/–) 28.Bd4 (28.Nd2 Na4+/–) 28...Ke7 (28...Na4 29.Nd2+/– (29.Ba7?! b6=)) 29.Nd2 Na4 30.Nb3 b6 31.f3 Nc5 32.Nc5 bc5 (32...dc5 33.Bc3+/–) 33.Bc3 Bc8 34.a4 Kd7?? (better is 34...Bd7+/–) 35.Bf5 (better is 35.Bf6 g6+–) 35...Kd8 (35...Ke7 36.Bc8 Ne8+–) 36.Bf6 gf6 37.Bc8 Kc8 (37...f5 38.Bf5 Ke8 39.Kh4+–) 38.Kh4 Kb7 39.Kh5 a6 (39...Kb6 40.Kh6 Ka5 41.Kg7+–) 40.Kh6 ab5 41.ab5 Kb6 42.Kg7 Ka5 43.Kf6 Kb4 44.Kf7 Kc4 45.g5 Kd5 46.g6 c4 47.g7 1–0. pierre – uggly, internet, 2011.

7.b5 Nb8 8.Nc3 Nbd7 9.Be2 Nc5 A) 10.d4 ed4 (10...Nce4 11.Ne4 Ne4 12.0–0 ed4 13.Qc2 f5 14.ed4 a6 15.ba6 Ra6) 11.ed4 Nce4 12.Qc2 Nc3 13.Bc3 d5 14.0–0 Ne4 15.Bd3 Nc3; B) 10.0–0 Bf5 (10...Re8 11.d4 ed4 12.ed4 Nce4 13.Bd3 Nc3 14.Bc3 a6 15.ba6 Ra6; 10...e4 11.Nd4 a6 12.a4 Be6 13.Qc2 Qc8 14.a5 Qd7 15.f3 ef3; 10...a6 11.d4 ed4 12.ed4 Nce4 13.Ne4 Ne4 14.Qc2 f5 15.ba6 Ra6; 10...Bd7 11.d4 ed4 12.ed4 Ne6 13.Qd2 Re8 14.Rfe1 c6 15.d5 cd5) 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.Nb3 Bf5 15.Nc5 dc5.

7.b5 Nb8 8.Nc3 Nbd7 9.Be2 e4 10.Nd4 a6 (10...Nc5 11.0–0 Be6 12.f3 ef3 13.Rf3 Bd7 14.Qc2 a6 15.a4 ab5; 10...h6 11.0–0 a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Nc5 15.Qa7 Bd7; 10...g6 11.0–0 a6 12.a4 Nc5 13.Qc2 Qe8 14.Nd5 Nd5 15.cd5 Bf6; 10...Qe8 11.0–0 Nc5 12.f3 a6 13.fe4 Nce4 14.Bf3 Ng5 15.a4 Nf3; 10...Re8 11.0–0 Nc5 12.Qc2 a6 13.a4 Bd7 14.f3 ab5 15.ab5 Ra1) 11.a4 Nc5 12.Qc2 ab5 13.ab5 Ra1 14.Ba1 Be6 15.Ne6 fe6.

7.b5 Nb8 8.Nc3 Nbd7 9.Be2 h6 A) 10.Qc2 a6 (10...Nc5 11.0–0 g6 12.e4 a6 13.d4 ed4 14.Nd4 Re8 15.Bf3 Nfd7; 10...Nb6 11.d4 ed4 12.Nd4 a6 13.0–0 ab5 14.cb5 d5 15.Qb3 Bd7; 10...b6 11.0–0 Bb7 12.d4 a6 13.a4 Re8 14.Qf5 g6 15.Qc2 Bf8) 11.0–0 ab5 12.cb5 d5 13.a4 e4 14.Nd4 Ne5 15.a5 Bb4; B) 10.d4 ed4 (10...a6 11.Qc2 ed4 12.Nd4 Nc5 13.0–0 ab5 14.cb5 d5 15.a4 Qd6; 10...c5 11.0–0 Re8 12.de5 Ne5 13.Ne5 de5 14.Bf3 Qc7 15.Nd5 Nd5) 11.Nd4 Nc5 12.0–0 a6 13.Bf3 ab5 14.cb5 d5 15.Qc2 Qd6; C) 10.0–0 a6 (10...e4 11.Nd4 Nc5 12.Qc2 a6 13.a4 Be6 14.f3 ab5 15.Ne6 fe6; 10...Re8 11.d4 a6 12.a4 ed4 13.Nd4 ab5 14.ab5 Ra1 15.Qa1 Nc5) 11.Qc2 ab5 12.cb5 d5 13.a4 e4 14.Nd4 Ne5 15.a5 Bb4.

6.Nf3 Be6

7.Nc3 c6 8.Be2 e4 (8...Nbd7 9.a3+=) 9.Nd4= d5 10.a3 Nbd7 (10...a5 11.b5=) 11.0–0 Re8 (11...a5 12.c5=) 12.cd5+= cd5 13.Rc1 Rc8 14.Qb3 Ne5 (14...Qb6!?+=) 15.Ne6+/– fe6 16.Nd5! ed5 (16...Nd5 17.Be5) 17.Be5+– Rc1 18.Rc1 (18.Rc1 a6 19.d3+–) 1–0. pierre – opponent, chesshere.com, 2008.

7.Nc3 Nbd7 8.Ng5 h6 9.Ne6 fe6 10.Bd3 d5 11.cd5 ed5 (worse is 11...Nd5 12.Nd5 ed5 13.Qg4+/–) 12.Qb3 c6 13.e4 Nb6 (13...Kh8 14.ed5 Nb6 15.0–0+=) 14.0–0 Kh8 15.Rfe1 (15.Rad1 a5 16.ba5 Ra5 17.ed5 Nfd5=) 15...d4 16.Ne2 Nh5 17.a3 (17.Rf1 a5 18.a3 Qd6=) 17...c5 (17...Bh4!? 18.Rf1 Qg5+=) 18.Rec1 (18.f3 Rf6+=) 18...Rc8 19.Rc2 Nf4 (19...Nd7 20.f3+=) 20.Nf4+/– Rf4 21.bc5 Bc5 (21...Nd7 22.Rac1 Nc5 23.Qd5=) 22.Rac1+/– Be7? (better is 22...Qd6+/–) 23.Rc8+– Nc8 24.Qe6 Nb6 (24...Rf8 25.Qe5 Nb6 26.f3+– (26.Bd4?! Bf6 27.Bb6 Be5 28.Bd8 Rd8+/–)) 25.Qe5 Bd6 (25...Rf8 26.Qa5+– (26.Bd4?! Bf6 27.Bb6 Be5 28.Bd8 Rd8+/–)) 26.Qd4 (26.Qd4 Qf8 27.a4+–) 1–0. marre – veia, internet live, 2009.

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.h3 c6

6.a3 A) 6...a5 A1) 7.b5 0–0 (7...Nbd7 8.Nc3 0–0 9.d4 Re8 10.Nf3 ed4; 7...cb5 8.cb5 0–0 9.d4 Nbd7 10.Nc3 e4; 7...Be6 8.d4 Nbd7 9.Nf3 e4 10.Nfd2 d5; 7...Qb6 8.d4 e4 9.Nc3 0–0 10.bc6 bc6) 8.d4 Nbd7 9.Nc3 Nb6 10.Nf3 e4; A2) 7.d4 0–0 (7...Nbd7 8.b5 cb5 9.cb5 e4 10.d5 0–0; 7...e4 8.b5 cb5 9.cb5 d5 10.Nc3 0–0; 7...ab4 8.ab4 Ra1 9.Ba1 e4 10.d5 0–0) 8.de5 de5 9.Qd8 Rd8 10.c5 e4; B) 6...Nbd7 B1) 7.Nc3 0–0 (7...a5 8.d4 ab4 9.ab4 Ra1 10.Ba1 0–0; 7...Nb6 8.d4 e4 9.d5 0–0 10.g4 h6) 8.d4 a5 9.b5 Nb6 10.Nf3 e4; B2) 7.Be2 0–0 (7...Nb6 8.d3 0–0 9.Nf3 Nbd7 10.0–0 Qb6; 7...a5 8.b5 cb5 9.cb5 0–0 10.Nf3 Nb6; 7...d5 8.cd5 cd5 9.Nf3 e4 10.Nd4 0–0; 7...Qb6 8.d4 e4 9.d5 a5 10.dc6 bc6) 8.d4 e4 9.d5 Ne5 10.Nc3 a5; B3) 7.d4 e4 (7...a5 8.b5 cb5 9.cb5 0–0 10.de5 de5; 7...0–0 8.Nc3 a5 9.b5 Nb6 10.Nf3 e4) 8.Nc3 d5 9.Qb3 dc4 10.Bc4 0–0; C) 6...0–0 C1) 7.Nc3 Re8 (7...Na6 8.Nf3 Nc7 9.e4 Re8 10.Be2 d5; 7...Nbd7 8.d4 a5 9.b5 Nb6 10.Nf3 e4; 7...d5 8.cd5 cd5 9.Nf3 e4 10.Nd4 a5 ; 7...a5 8.b5 Nbd7 9.d4 Nb6 10.Nf3 e4) 8.Be2 a5 9.b5 d5 10.d4 ed4; C2) 7.Be2 a5 (7...Nbd7 8.d4 e4 9.d5 Ne5 10.Nc3 a5; 7...Be6 8.Nf3 a5 9.0–0 ab4 10.ab4 Ra1) 8.d4 Be6 9.de5 de5 10.Qd8 Rd8; C3) 7.d4 e4 (7...a5 8.de5 de5 9.Qd8 Rd8 10.c5 e4; 7...Nbd7 8.Nc3 a5 9.b5 Nb6 10.Nf3 e4; 7...c5 8.Bd3 cd4 9.ed4 e4 10.Bc2 d5) 8.Nc3 d5 9.cd5 cd5 10.Rc1 a5.

6.Nc3 0–0 7.a3+= a5 (7...Nbd7 8.d4 Qb6 9.Nf3 a5 10.b5 e4; 7...Re8 8.Be2 a5 9.b5 d5 10.d4 ed4; 7...Be6 8.Nf3 a5 9.b5 Bf5 10.Be2 cb5) 8.b5 Nbd7 9.Nf3 cb5 10.Nb5 Nb6.

6.Nc3 a5 7.b5= 0–0 (7...Be6 8.Nf3 0–0 9.d4 cb5 10.d5 b4; 7...Bd7 8.Nf3 0–0 9.d4 ed4 10.Qd4 a4; 7...Nbd7 8.Qf3 cb5 9.Nb5 0–0 10.Rb1 Re8; 7...Bf5 8.d4 ed4 9.Qd4 a4 10.a3 0–0) 8.Nf3 (8.d4 Re8 9.Nf3 e4 10.Nd2 cb5) 8...Qb6 (8...cb5 9.cb5 Bf5 (9...b6 10.Be2 Bb7) 10.g4= (10.Be2 Nbd7) 10...Bg6; 8...Nbd7 9.d4 e4 10.Nd2 d5) 9.Qc2 cb5 (9...Nbd7 10.d4 Re8) 10.cb5 Bd7 (10...Be6 11.d4=) 11.Na4 Qc7?? (better is 11...Qd8=) 12.Qc7+– Rc8 13.Qb7 Na6 14.ba6 Rab8 15.Ne5! de5 16.Be5 Rb7 17.ab7 Rf8 18.Nc3 Bc6 19.b8Q Rb8 20.Bb8 Bb4 21.a3 Bc3 22.dc3 Ne4 23.Rb1 Nc3 24.Rc1 (24.Rc1 h6 25.Rc3+–) 1–0. pereira – nvvv, internet, 2009.

6.Nc3 d5 A) 7.cd5 Bb4 (7...cd5 8.Nf3 e4 9.Nd4 0–0 10.Qa4 Bd6) 8.dc6 Nc6 9.a3 Bc5 10.Nf3 0–0; B) 7.a3 d4 (7...a5 8.b5 d4 9.Na4 c5 10.ed4 ed4; 7...0–0 8.cd5 cd5 9.Nf3 e4 10.Nd4 Nc6; 7...dc4 8.Nf3 e4 9.Ng5 b5 10.Nge4 a5) 8.Na4 a5 9.ed4 ed4 10.c5 ab4; 6...Nbd7 A) 7.a3 0–0 (7...a5 8.b5 0–0 9.d4 Nb6 10.Nf3 e4; 7...Nb6 8.d4 e4 9.d5 0–0 10.g4 h6) 8.d4 Qb6 9.Nf3 a5 10.b5 e4; B) 7.Be2 0–0 (7...d5 8.cd5 cd5 9.Qb3 0–0 10.Nd5 Nd5; 7...Qb6 8.a3 0–0 9.Nf3 Rd8 10.0–0 a5; 7...c5 8.a3 0–0 9.Nf3 d5 10.cd5 cb4 ; 7...Nb6 8.d3 0–0 9.Nf3 Re8 10.0–0 Qc7) 8.d4 e4 9.a3 a5 10.b5 cb5 ; C) 7.d4 0–0 (7...e4 8.d5 0–0 9.Qc2 cd5 10.cd5 Nb6; 7...ed4 8.Qd4 a5 9.b5 Nc5 10.Nf3 a4; 7...Qb6 8.a3 0–0 9.Nf3 a5 10.b5 e4; 7...a5 8.b5 0–0 9.Nf3 e4 10.Nd2 cb5) 8.a3 a5 9.b5 Nb6 10.Nf3 e4.

6.d4 A) 6...Nbd7 A1) 7.Be2 0–0 (7...e4 8.Nc3 0–0 9.a3 d5 10.Qc2 a6; 7...ed4 8.Bd4 0–0 9.Nf3 d5 10.a3 dc4; 7...Qb6 8.a3 e4 9.d5 a5 10.b5 0–0 ) 8.a3 e4 9.d5 cd5 10.cd5 Nb6; A2) 7.Nc3 0–0 (7...e4 8.d5 0–0 9.Qc2 cd5 10.cd5 Nb6) 8.a3 Qb6 9.Nf3 a5 10.b5 e4; A3) 7.Nd2 ed4 (7...0–0 8.a3 e4 9.d5 cd5 10.cd5 Ne5; 7...e4 8.d5 0–0 9.Qc2 cd5 10.cd5 Ne5) 8.Bd4 0–0 9.a3 Re8 10.Ngf3 c5; A4) 7.a3 e4 (7...a5 8.b5 0–0 9.Nc3 Nb6 10.Nf3 e4; 7...0–0 8.Nc3 a5 9.b5 Nb6 10.Nf3 e4) 8.Nc3 d5 9.Qb3 dc4 10.Bc4 0–0; B) 6...e4 B1) 7.Nc3 0–0 (7...d5 8.a3 0–0 9.cd5 cd5 10.Rc1 Nbd7; 7...Nbd7 8.d5 0–0 9.Qc2 cd5 10.cd5 Nb6; 7...Qb6 8.a3 0–0 9.g4 h6 10.f4 ef3) 8.d5 Na6 9.a3 c5 10.b5 Nb8; B2) 7.a3 0–0 (7...a5 8.b5 cb5 9.cb5 0–0 10.d5 Nbd7; 7...Nbd7 8.Nc3 d5 9.Qb3 dc4 10.Bc4 0–0; 7...d5 8.cd5 cd5 9.Nd2 0–0 10.Be2 Bd6; 7...a6 8.Nc3 d5 9.Rc1 dc4 10.Bc4 b5) 8.d5 a5 9.b5 cb5 10.cb5 Nbd7; B3) 7.Be2 d5 (7...0–0 8.d5 Nbd7 9.Nc3 Ne5 10.Qd2 Bf5; 7...Be6 8.Nc3 d5 9.cd5 Nd5 10.a3 Nc3; 7...Nbd7 8.Nc3 d5 9.cd5 cd5 10.a3 0–0) 8.a3 Be6 9.cd5 Qd5 10.Nc3 Qg5; B4) 7.d5 0–0 (7...Na6 8.dc6 bc6 9.a3 0–0 10.Nd2 c5; 7...Nbd7 8.Nc3 0–0 9.Qc2 cd5 10.cd5 Nb6; 7...Qb6 8.a3 a5 9.Bd4 Qd8 10.Nd2 0–0; 7...a5 8.b5 0–0 9.dc6 bc6 10.Nc3 Be6) 8.Ne2 Qb6 9.a3 a5 10.Bd4 Qd8; C) 6...0–0 C1) 7.Be2 e4 (7...ed4 8.Qd4 c5 9.bc5 dc5 10.Qd8 Rd8; 7...Nbd7 8.a3 a5 9.b5 cb5 10.cb5 e4; 7...Re8 8.a3 e4 9.d5 Nbd7 10.Nc3 a5 ; 7...Bf5 8.Nc3 Nbd7 9.Nf3 e4 10.Nd2 d5) 8.d5 Nbd7 9.Nc3 Qb6 10.a3 a5; C2) 7.Ne2 Be6 (7...Nbd7 8.a3 a5 9.b5 Re8 10.Nd2 Rb8; 7...Re8 8.a3 c5 9.de5 de5 10.Qd8 Rd8; 7...Bf5 8.Ng3 Be6 9.Be2 Nbd7 10.0–0 Qb6; 7...a5 8.b5 cb5 9.cb5 Nbd7 10.Nbc3 Nb6) 8.Nd2 a5 9.b5 Nbd7 10.e4 Rc8; C3) 7.Nd2 ed4 8.Bd4 c5 9.Bc3 cb4 10.Bb4 Na6; C4) 7.a3 e4 (7...Nbd7 8.Nc3 a5 9.b5 Nb6 10.Nf3 e4; 7...a5 8.de5 de5 9.Qd8 Rd8 10.c5 e4; 7...c5 8.Bd3 cd4 9.ed4 e4 10.Bc2 d5) 8.d5 a5 9.b5 cb5 10.cb5 Nbd7.

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  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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