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TESTB350 Release 2016-12-18
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6

(...)

6.Bc3 c5 7.bc5+= Qc5 8.Nf3 Nf6 9.e3 Nd5 10.Bd4 Qc6? (10...Qa5!?+=) 11.Be2 (11.Ne5!? Qh6 12.Bc4 e6 13.Bd5 ed5+–) 11...f6+/– 12.0–0 e5 13.Bc3 (13.c4 Nb6 14.Bb6 Qb6+/–) 13...Bb4 (better is 13...Na6!?+=) 14.Bb4+– Nb4 15.Na3 Rg8? (better is 15...N8a6!?+/–) 16.Bb5 Qc5 17.Ne1 (better is 17.d4!? Qc3 18.Nc4 N8c6 19.de5 d5 20.ed6 Be6 21.d7 Kd8+–) 17...b6 18.Qh5 Kf8 19.Qh7 Ba6 20.Ba6 N8a6 21.Nb1 Nc6 (21...Nd5 22.Nf3+/–) 22.Qe4 (22.Nc3!? Qd6 23.Nf3 Qa3+–) 22...d5 23.Qg4 Ke7 24.Nd3 (24.Nc3 Nab4 25.Nd3 Nd3 26.cd3+/–) 24...Qd6? (better is 24...Qc2 25.Qe2 Nc5 26.Nc5 Qc5+= (worse is 26...bc5 27.Qa6 Nb8 28.Qb7 Nd7 29.Nc3+–)) 25.Nc3+– Nc5 Black plans e4 26.Nb5 (26.Rb1!? Nd3 27.cd3 d4+–) 26...Qe6 Black prepares e4 27.Qf3 Nd3 28.cd3 e4 29.Qg3 Qe5 30.Qh3 f5 (30...d4!? 31.Rb1 Rd8+–) 31.d4+– Qf6 32.Nc7 Rd8 33.Rb1 g5?? (better is 33...Rd7 34.Nb5 Qe6+–) 34.Rb6 Rd6 (34...Rd7 35.Na6 Kd8+–) 35.Qh7 Qf7 (35...Kf8 36.Nb5 Re6 37.Qd7+–) 36.Qf7 (better is 36.Nd5 Kf8 37.Qh8 Qg8 38.Qg8 Kg8 39.Ne7 Ne7 40.Rd6+–) 36...Kf7 37.Nd5! Ke6 (37...Rd5 38.Rc6 Deflection (38.Rc6 Overloading)) 38.Nc3 Nb4 (38...Ne7 39.Rd6 Kd6 40.Kf1+–) 39.d5! Ke5 (39...Nd5 40.Nd5 Combination) 40.f4! gf4 41.ef4 Kf4 (41...Kf4 42.Rd6 Nd3+–). arti000 – lukasiuk, kurnik, 2014.

6.Bc3 e6 7.e3 Nf6 8.Nf3 Bb4 9.Bf6 gf6 10.Bd3 d5 11.g3 Be7 12.Nc3 Nd7 13.0–0 e5 14.Qb1?? (better is 14.Bf5+=) 14...Qb1–+ 15.Rb1 (15.Nb1?? e4 16.Be4 de4–+) 15...e4 16.Be4 de4 17.Nh4? (17.Ne4 Ne5 18.Kg2–+) 17...Nc5 18.d4 (18.Ne2 f5–+) 18...ed3 19.cd3 Nd3 20.Kf1 0–0 21.Ke2 Ne5 22.f3 (22.f4 Nc4 23.Nf3 Re8–+) 22...f5 23.Ng2 (23.f4 Nc4–+) 23...b5 24.Nf4 (24.Ra1 Be6 25.Nb1 Rd8–+) 24...Be6 (better is 24...b4 25.Na2 Ba6 26.Ke1–+) 25.Nh5 (25.Ne6 fe6 26.Ra1–+) 25...Bc4 26.Kf2 Ra8 27.Rb2 (27.Nf4 b4 28.Nce2 Ra2–+) 27...Ba3 (better is 27...Nd3 28.Kg2 Nb2 29.Nf4–+) 28.Rd2 (28.Rb1 b4 29.Ne2 b3–+) 28...Bb4 29.Rc2 Bb3 30.Rb2 Nd3 31.Kg2 Nb2 32.Ne2 Nd3 33.Nef4 Ra2 34.Kh3 Nf2 35.Kg2 Ng4 36.Kh3 Ne3 (36...Rh2) 37.Nf6 Kh8 38.N4h5 Be7 (38...Bd1 39.Ng7 Kg7 40.Ne8 Kh6 41.Nf6 Bf3 42.g4 fg4 43.Ng4 Bg4 44.Kg3 Bd6 45.Kh4 Rh2) 39.f4 Bf6 40.Nf6 Bd1 0–1. ventil – bobby7, kurnik, 2014.

6.Nc3 Qb4+= 7.e4 Nf6 8.e5 Ng8 9.Nf3 d5 10.ed6 ed6 11.Bd3 Nf6 12.0–0 Be7 13.Qe2 Be6 14.Rb1 Qa5 15.Nd4 Bc8 ½–½. Nozdrin,Alexander V (2160) – Nemov,Anton, Privolzhskogo FO–ch U18, 2004. (=1.a3 c6 2.b4 a5 3.Bb2 ab4 4.ab4 Ra1 5.Ba1 Qb6)

6.c4 Qa6?! 7.Bc3 Qc4 8.e3! Schuehler.

6.c4 d5 7.Qb3 e6 (7...dc4 8.Qc4 Na6 9.b5=+) 8.e3 Nf6 (8...Qb4?? 9.Qb4 Bb4 10.Bg7 dc4 11.Bc4+–) 9.b5 Nbd7 10.Nf3 Be7 11.Be2 0–0 12.Nc3 Nc5 13.Qc2 Bd7 14.Ng5 e5 15.cd5 cb5 16.0–0 (16.f4 Qd6 17.0–0 Rc8+=) 16...h6 17.Nf3 b4 18.Rb1 Qa5 19.d4 (19.Nd1 e4 20.Bf6 Bf6=+) 19...ed4=+ (< 19...bc3 20.dc5 Nd5 21.Ne5=) 20.ed4 Na6 21.Ne4 Nd5 22.Ned2 Rc8 23.Qe4 Be6 24.Bd3 g6 25.Nh4 (25.Ne5 Nc3 26.Bc3 Bd5=) 25...Bh4 (25...Qa2 26.Nb3 Bh4 27.Qh4–/+) 26.Qh4=+ Kg7 27.Nc4? (27.Ne4 g5 28.Qg3 Qc7=) 27...Qd8 (better is 27...Qa2!? 28.Re1 Rc4 29.Bc4 Qc4–+) 28.Qg3=+ Qf6 (28...Qg5 29.Qg5 hg5 30.Nd6=+) 29.Nd6= Rb8 (29...Ra8 30.Be4=) 30.Ne4 Qd8 31.Qe5 Kg8 (31...Kh7 32.Bc4 Nac7 33.Bb2=) 32.Rc1 (32.Nc5 Qf6 33.Qf6 Nf6 34.Ne6 fe6 35.Bg6 Ra8+=) 32...Nac7 33.Nc5 ½–½. Otte,Marco – Dijkstra,Hetser, Wag.ext.4vsASV5, 2002.

6.e3 Na6 7.b5+= Nc7 8.c4 (8.bc6 bc6 9.Nf3 Nf6=) 8...Nf6 9.Nc3 Ne6 (9...cb5 10.Nb5 Nb5 11.cb5=) 10.Nf3+= g6 (10...cb5 11.Nb5 d6 12.Qa4+/–) 11.bc6 bc6 12.Ne4 Bg7 13.Bf6 Bf6 (13...ef6 14.Nd6 Ke7 15.Nc8 Rc8 16.Be2+=) 14.Nf6+/– ef6 15.Be2 0–0 16.0–0 Kg7 (16...d6 17.Qc2+/–) 17.d4 c5 (17...d6 18.Qd3+/–) 18.d5 Ng5 19.Ng5 fg5 20.Qa1 (20.d6 Bb7+/–) 20...f6 21.Rb1 Qa6 (21...Qc7 22.Qb2+/–) 22.Qb2 (22.Qa6 Ba6 23.d6 Kf7+/–) 22...Kf7 (22...Re8 23.Qb5 Qd6 24.Ra1+/–) 23.Qb8 Qa2 24.Bd3 Qa3 (24...Qd2 25.Bf1 f5 26.Qc7+–) 25.Bf1+– Qa2 (25...Qa4 26.Qc7+–) 26.Rb5 Qa3 (26...Ba6 27.Qa7 Rd8 28.Rc5 Bc4 29.Qc7 Bf1 30.Qd8+– (30.Kf1?! Qd2 31.Rc1 Ke7+=)) 27.Qc7 (27...Kg8 28.Rb8+–) 1–0. Woelfelschneider,Peter – Brandt,Michael, T8–02 TSC, 2002.

6.e3 d5 7.Be5 (7.b5!?=) 7...Nd7=+ 8.Qg4 Nh6 9.Qg3 (better is 9.Qd4!? Qd4 10.ed4 Ne5 11.de5=+) 9...Qb4–+ 10.Nc3 Nf5 (< 10...Ne5 11.Qe5 Nf5 12.Qb8–/+) 11.Qf4 Qf4 12.Bf4 e5 13.Bd3 Nd6 14.Bg3 Be7 15.e4 d4 16.Nce2 b5 17.f4 f6 18.Nf3 c5 19.c3? (better is 19.fe5 fe5 20.Ne5–/+) 19...c4–+ 20.fe5 fe5 (20...cd3?! 21.ed6 de2 22.Nd4=+) 21.Bb1 d3 22.Nc1 (22.Ne5 de2 23.Nd7 Bd7 24.Ke2 Rf8–+) 22...Ne4 23.Be5 (23.Nd3 Ng3 24.hg3 cd3 25.Bd3 b4–+) 23...Ne5 24.Ne5 0–0 (better is 24...Bh4 25.g3 Ng3 26.hg3 Bg3 27.Kf1 Be5 28.Nd3 cd3 29.Bd3 0–0 30.Ke1 Bg3 31.Kd1 Bg4 32.Kc2–+) 25.Nf3 (25.Ncd3 Re8 26.Kd1 Bd6–+) 25...Bc5 (better is 25...Rf3 26.gf3 Bh4 27.Kd1 Nf2 28.Ke1 Nh1 29.Kf1–+) 26.Ba2 (26.Bd3 Nf2 27.Bh7 Kh7–+) 26...Kh8 (26...Bf2 27.Kd1 Bh3 28.gh3 Rf3 29.Bb1–+) 27.Rf1 Bg4 28.Bb1 Re8 29.Bd3 cd3 30.Nd3 (30.Kd1 Nf2 31.Rf2 Bf2 32.Nd3–+) 30...Nf2 31.Nde5 Nd3 32.Kd1 Re5 33.Kc2 (33.h3 Bf3 34.Rf3 Ne1–+) 33...Bf3 34.gf3 Re1 35.Re1 Ne1 36.Kb3 Nf3 (37.d3 Nh2–+) 0–1. Otte,Marco – Christians,Richard, Wag.Intcomp, 1997.

6.Nf3 d6 7.c3 Nf6 8.g3 e5 9.Bg2 Be7 10.0–0 0–0 11.d3 Be6 12.Nbd2 Nbd7 13.Ng5 Bf5 14.Nge4 (14.e4 Bg4 15.Bf3 Bf3 16.Ngf3 d5=+) 14...Ne4 15.Ne4 d5 16.Nd2 Ra8 17.Nb3 Nf6 18.Na5 Be6 19.Qb1 c5 20.Nb3 (20.c4 Qb4 (20...cb4?! 21.cd5 Bd5 22.Nc4 Bc4 23.dc4–/+) 21.cd5 Nd5 (21...Ra5?! 22.de6 fe6 23.Be5=; 21...Bd5?! 22.Nc4–/+) 22.Qb4 cb4–/+) 20...cb4 21.cb4 Ra4 22.Nc5? (better is 22.Bc3 d4 23.Bd2 Bb4 24.Na1–+) 22...Rb4 23.Na4 Rb1 24.Nb6 Rb6 25.Be5 Rb3 26.Ra1 h5 27.h4 b5 28.Ra7 (28.Ra8 Kh7–+) 28...Rb1 29.Kh2 (29.Bf1 Bc5 30.Ra8 Kh7 31.d4–+) 29...Ng4 30.Kh3 Nf2 31.Kh2 Ng4 32.Kh3 Ne5 33.Kh2 Bc5 34.Bf3 (34.Ra8 Kh7 35.e4–+) 0–1. boa – marekt, ChessWorld.net, 2004.

6.c3 Qa6

7.Bb2 Qa2 8.Qc2 Nf6 9.f3 g6+= 10.e4 Bg7 11.Ne2 0–0 12.Nf4 (12.Na3!? Na6 13.Nd4=) 12...d5–/+ 13.e5 Nfd7 14.Nd3? (better is 14.d4!? Bh6 15.Nd3–/+) 14...Ne5–+ 15.Ne5 Be5 16.Be2 Bf5 17.d3 d4! 18.c4? (18.cd4 Bd4) 18...Nd7 (better is 18...Na6 19.0–0 Nb4–+) 19.0–0 b6?? (better is 19...Nb6 20.Na3 Na4–+) 20.g4 Be6 21.f4 Bg7 (better is 21...b5 22.cb5 Bd6+=) 22.f5?? (22.Nd2 Ra8 23.f5 Bf5 24.gf5 Qa4 25.Qa4 Ra4 26.fg6 hg6+/–) 22...gf5?? (22...Bc4 23.dc4 d3 24.Bd3 Qb2 25.Qb2 Bb2 26.Kf2–+) 23.gf5?? (better is 23.Nd2 fg4 24.Ra1 Qa1 25.Ba1+–) 23...Bc4!–+ 24.dc4 (24.Qc4 Qb2 Deflection (24...Qb2 Overloading); 24.dc4 d3 Passed pawn) 24...c5?? (24...d3 25.Qd3 Qb2 26.Qd2–+) 25.b5?? (25.f6 Bf6 26.Bd3 cb4 27.Rf3+/–) 25...Nf6?? (better is 25...d3 26.Bd3 Qb2 (worse is 26...Bb2 27.Rf2+/–) 27.Qb2 Bb2–+) 26.Bd3?? (better is 26.Na3 Nd5 27.cd5+–) 26...Ng4+/– 27.Re1 Ne3 28.Qd2 (28.Qe2 Bh6+/–) 28...Bh6 (28...Qa8 29.Qe2=) 29.Qf2 (29.Nc3 Qa5+/– (29...dc3?? 30.Qc3 f6 31.Ra1+–)) 29...f6 (29...Nc4? 30.Bd4 Qf2 31.Bf2+–) 30.Qg3?? (30.Bc1 Qb3 31.Qe2+/– (31.Be3 Be3 32.Re3 de3–/+)) 30...Bg7 (better is 30...Kf7 31.Bd4 cd4–+) 31.Bc1+– Qb3 32.Be4 Qc4 33.Be3 de3 34.Re3 (34.Re3 Kh8 35.Qh3+–) 1–0. cogit – goras01, kurnik, 2014.

7.Bb2 Qa2 8.Qc2 Nf6 9.Nf3 g6 (9...d6 10.d4=) 10.e3+= Bg7 11.Be2 (11.Na3 Qe6+=) 11...0–0 (11...Nd5 12.d4=) 12.0–0 d6 (12...b5 13.Na3 Qe6 14.c4+=) 13.c4 (13.Na3 Qe6+=) 13...Bf5= 14.d3 (better is 14.Qc1=) 14...Nbd7 (better is 14...Nd5!? 15.cd5 Qb2 (15...Bb2? 16.Nbd2+–) 16.Qb2 Bb2 17.dc6 Nc6=+) 15.Nc3 (15.Nd4 Qa7+/–) 15...Qa7+= 16.Ra1 Qb6 17.b5 (17.Na4 A) 17...Qb4? 18.e4 Ne4 19.Bg7 (19.de4?! Bb2 20.Nb2 Be4 21.Qe4 Qb2+/–) 19...Kg7 20.de4+–; B) 17...Qc7+=) 17...Qc7 (17...e5 18.Nh4+=) 18.e4 (18.Nd4 Bg4+=) 18...Bg4+= 19.bc6 (19.h3 Bf3 20.Bf3 c5+=) 19...bc6= 20.h3 Bf3 21.Bf3 Rb8 22.Bc1 Ne5 23.Qe2 Nf3 24.Qf3= Ne4?? 25.de4+– Rb3 26.Bd2 Qb7 27.Qe3 Qb4?? 28.Ra8 Bf8 29.Qh6 Qb8 30.Rb8 Rb8 31.Qg5 h6 32.Qf4 Rb2 33.Be3 Rb3 34.Ne2 Bg7 35.g3 Be5 36.Qf3 Rb4 37.Bd4 Bd4 38.Nd4 Rc4 39.Qd3 Rc1 40.Kg2 c5 41.Nb5 c4 42.Qd2 Rb1 43.Nc7 Rb7 44.Nd5 e6 45.Nf6 Kg7 46.Ng4 h5 47.Ne3 d5 48.ed5 ed5 49.Qd5 c3 50.Qe5 Kh7 51.Qc3 (51...Rb8 52.Nd5+–) 1–0. senegoid (1890) – Eralos (2185), ajedrez21.com, 2002.

7.Bb2 Qa2 8.Qc2 g6 9.e4 d5 10.ed5 Bf5 11.d3 cd5 12.Nf3 Bg7 13.Be2 Qa6 14.0–0 Nf6 15.Na3 0–0 16.Ra1 Qd6 17.Nd4 (17.Nb5!? Qb6 18.Nbd4+=) 17...Ng4= 18.Bg4 Bg4 19.Nab5 Qd7 20.f3 Be6 21.h4 Nc6 22.Ne2 (22.Qe2!?=) 22...Nb4!–/+ 23.cb4 Bb2 24.Qb2 Qb5 25.Qd4 Bf5 26.Rd1 (26.Nf4!?=) 26...Rc8 27.g4 Be6 28.h5 Rc6 29.h6 Qb6 30.Qb6 Rb6 31.Rb1 Kf8 32.Kf2 Ke8 33.Ke3 Kd7 34.Kd4 Kd6 35.Nc3 (35.g5–/+) 35...f5 (better is 35...Bd7!? 36.Ke3 Ra6–+) 36.g5 f4 37.Ne2? (better is 37.Na4 Rc6 38.Nc3–/+) 37...Bf5–+ 38.Nf4?? (38.Kc3 e5 39.Kc2–+) 38...e5 39.Ke3 ef4 40.Kf4 d4 (40...Bd3 41.Rb2–+) 41.Kg3 (41.Re1 Bd7 (worse is 41...Bd3 42.Rd1–+) 42.Rb1 Rb5–+) 41...Bd3 (better is 41...Rc6!? 42.Rd1–+) 42.f4 (42.Rd1–+) 42...Bb1 0–1. swislina – busal, kurnik, 2013.

7.Bb2 b5 8.e3 d6 9.Nf3 f6 (9...Nf6!?+=) 10.Bd3 g6 11.0–0 Bh6 12.Bc2 e5 13.d4 Bf5? (13...Qa2 14.Qc1 Nd7+/–) 14.Bf5 gf5 15.Nh4 Bg5 (15...Qa2 16.de5 Bf8 17.Nf5 de5+–) 16.Nf5 Qb7 (16...Qa2 17.Nd6 Ke7 18.de5 fe5+–) 17.Nd6 Kd7 18.Nb7 Ne7 19.Nc5 Kd6 20.Qg4 (20.de5 Kc7 21.Qd6 Kc8 22.Qe7 fe5 23.Qb7 Kd8 24.Rd1 Ke8 25.Rd7 Nd7 26.Qd7 Kf8 27.Ne6 Kg8 28.Qg7) 20...Kc7+– 21.Nd2 (better is 21.Qe6 Nd5 22.Qf7 Kd8+–) 21...h5 22.Qe6 Re8 23.Nde4 f5 (23...Kd8 24.Nd6 Kc7 25.Ne8 Kd8 26.Nd6 Nd5 27.Nf7 Kc7 28.Qd6 Kb6 29.Qb8) 24.Qd6 (24.Qe5 Kc8 25.Nd6 Kd8 26.Ra1 Na6 27.Nf7 Kc8 28.Ra6 Be3 29.Ra8) 24...Kc8 (24...Kb6 25.Ra1 Rc8 26.Ne6 Nd7 27.Qd7 c5 28.bc5 Rc5 29.dc5) 25.Ng5 (25.Ra1 Rd8 26.Ra7 Nd5 27.Qd8 Kd8 28.Ne6 Kc8 29.Nd6) 25...Rd8 (25...Ng6 26.Ra1 Rd8 27.Qe6 Rd7 28.Nd7 Ne7 29.Nc5 Kd8 30.Ra7 ed4 31.Qe7 Kc8 32.Rc7) 26.Qe7 Nd7 (26...Rd6 27.Qd6 h4 28.Nge6 ed4 29.Qc7) 27.Nd7 (27.Nge6 Rg8 28.Qd7 Kb8 29.Qb7) 27...Rd7 (27...c5 28.Nc5 Rd4 29.Nge6 Rd7 30.Qd7 Kb8 31.Qb7) 28.Qe8 Kc7 (28...Kb7 29.Qd7 Kb8 30.Ne6 ed4 31.Ra1 dc3 32.Qc7) 29.Ne6 Kd6 (29...Kb6 30.Qd7 ed4 31.Ra1 dc3 32.Qc7) 30.Nc5 Rc7 (30...Kc7 31.Qd7 Kb6 32.Qb7) 31.Qe5 1–0. olawoj – twister56, kurnik, 2013.

7.Bb2 d5 8.Nf3 =.

6.c3 Na6

7.e3 Nf6 8.Nf3 d5 9.Be2 Bg4 10.0–0 e6 11.Ne5 Be2 12.Qe2 Bd6 13.Nf3 0–0 14.Na3 Ne4 15.Nc2 Nc7 16.Bb2 Ra8 17.Ncd4 Ra2 18.Rb1 Qa6 19.Qa6 Ra6 (19...ba6?! 20.Nc6 Nb5 21.h3+=; 19...Na6?! 20.d3 Nf6 21.b5–/+) 20.Ra1 Ra1 21.Ba1 e5 22.Ne2 Nb5 23.g3 f5 24.Bb2 g5 25.d4 ed4 26.Ned4 Nd4 27.Nd4 f4 28.ef4 gf4 29.Nf5 Be5 30.Kg2 fg3 31.fg3 Bc3 32.Bc3 Nc3 33.Nd4 Kf7 34.Kf3 Na2 35.Nc2 Kf6 36.Kf4 b6 37.h4 c5 38.bc5 bc5 39.g4 Nb4 40.Ne3 d4 41.Nc4 Nd5 42.Ke4 Nc3 43.Kf4 Ne2 44.Kf3 Ng1 45.Ke4 Ke6 46.g5 Ne2 47.Nd2 Ng3 48.Kf4 Nf5 49.h5 Ne7 50.Ke4 Nf5 (better is 50...Kd6–+) 51.Nc4?? (51.Kf4 Ne3 52.g6 hg6 53.hg6–/+) 51...Ng3 52.Kf4 Nh5 53.Kg4 Ng7 (54.Nb6 Nf5–+) 0–1. valpa – kali, HCL–B1657 playchess.de, 2003.

7.Nf3 d5 8.e3 Bg4 (8...Nf6 9.Bb2=) 9.h3 Bh5 10.b5 (10.d3 Nf6=) 10...Nc5 (10...Nc7 11.bc6 Bf3 12.gf3 Qc6 13.Qb3=) 11.d4 Ne4 12.Qa4 Nd6 (12...e6 13.Qa8 Ke7 14.Bb2 Bf3 15.Ba3 (15.gf3?! Nd6+/–) 15...Kf6 16.Bf8+– (16.gf3 Ba3 17.fe4 Be7+/–)) 13.Na3 (better is 13.Qa8 Qd8 14.Qd8 Kd8 15.bc6 bc6 16.Ne5+=) 13...Nf6 (better is 13...Bf3!? 14.Qa8 Qd8 15.Qd8 Kd8 16.gf3 Nf6=) 14.Ne5 (14.bc6 bc6 15.Qa8 Kd7 16.Ne5 Kc7+/–) 14...Nd7 (14...e6 15.bc6 bc6 16.Nc6+/–) 15.c4 (15.bc6 bc6 16.Nc6 Qb7+/–) 15...Ne5 (15...Qc7 16.Qa8 Qb8 17.Qb8 Nb8 18.c5+/–) 16.de5 (16.c5 Qc7 17.cd6 ed6 18.de5 de5 19.bc6 bc6 20.Qa8 Kd7=+) 16...Nc4 17.Nc4 dc4 18.Bc4 c5?? (better is 18...e6+/–) 19.Bc3+– g5 20.Ba5 (better is 20.e6 f6+–) 20...Qg6 Black prepares the advance g4 21.b6 Kd8 22.0–0 g4 (22...Qe4 23.f3 Qe3 24.Kh1 Qe5 25.Rd1 Qd4 26.Bf7 Bf7 27.Rd4 cd4 28.Qd4 Ke8 29.Qh8 Bg6+–) 23.e6 fe6 (23...Qe6 24.Be6 fe6 25.Rd1 Kc8 26.Qd7 Kb8 27.Qd8) 24.Rd1 Kc8 (24...Qd3 25.Rd3 Kc8 26.Be6 Kb8 27.Rd8) 25.Qd7 (25...Kb8 26.Qd8#) 1–0. pcmvr (2225) – shino (2230), net–chess.com, 2006.

7.Nf3 Nf6 8.e3 e6 9.d4+= Be7 10.Bd3 0–0 11.Qc2 h6 12.Nbd2 Nc7 13.0–0 d6 14.Bb2 Bd7 15.Nc4 Qa7 16.Ra1 Qb8 17.Nb6 Qd8 18.e4 Nb5 19.Nd7 Qd7 20.c4 Nc7 21.e5 de5 22.de5 Nfe8 23.Rd1 Qc8 24.b5 cb5 25.cb5 b6 26.Bh7 Kh8 27.Be4 f6? (27...f5 28.Bd3 Bc5+–) 28.Nh4 Rf7 29.Bg6 Rf8 30.Be8 Re8 31.ef6 Bf6 32.Bf6 Nd5 33.Bg7! Kg7 34.Qg6 Kf8 35.Qh7 Qd7 1–0. pcmvr (2765) – rbeckett (2200), net–chess.com, 2014.

6.c3 c5

7.Qb3 cb4 8.cb4 Nc6 9.Bc3 Nd4 (9...Nf6!?=) 10.Qc4 Nc6 11.e3 e6 Increasing the pressure on the isolated pawn on b4 12.b5 Qb5?? (better is 12...d5 13.Qa2 Nb4+/–) 13.Qb5+– 1–0. rvac066 – elbbdor, kurnik, 2014.

7.Qb3 cb4 8.cb4 e6 9.Bc3 Nc6 The pressure on the isolated pawn grows 10.e3 Nb4 11.Qa4 Nd5 12.Qc2 f6 13.Bd3 Nge7 14.Ne2 Qc6 (14...Kf7!?+=) 15.0–0= b6 16.Bd4 (16.Nd4 Qa8 17.g3= (worse is 17.Bh7 f5 18.Nf5 ef5 19.Bf5 Nf5 20.Qf5 Qc6–/+)) 16...Qc2 17.Bc2 e5 18.Bb2 Nb4 19.Bb3 d5 20.Ba3 Nbc6 21.Nec3 Be6 22.Nb5 (22.Be7 Ne7 23.Nb5 Kd7=) 22...Kd7 23.Ba2 Nf5 Black intends d4 24.h3 d4 (24...Ba3!? 25.N1a3 Ra8–+) 25.Be6–/+ Ke6 26.e4 Nd6 27.Nd6 Bd6 28.d3? (better is 28.Bd6!? Kd6 29.Na3–/+) 28...Ba3 29.Na3 Ra8 30.Nb5 Ra2 (30...Kd7!? 31.f4 Ra5 32.fe5 Rb5 33.ef6 gf6 34.Rf6–+) 31.Nc7 Kd6 (31...Kd7 32.Nd5 Rb2 33.Ra1–+) 32.Nd5? (better is 32.Ne8!? Kd7 33.Ng7–/+) 32...b5 33.Rb1 Rd2 34.Rb5 Rd3 35.f3 Rd1 36.Kf2 Rd2 37.Kf1 Rc2 38.Rb6 d3 39.Nb4?? (better is 39.Ne3 Rc1 40.Kf2–+) 39...Rc3 (better is 39...Kc5 40.Rc6 Kb4 41.Rb6 Kc3–+) 40.Ke1 g6 (better is 40...Kc5!? 41.Nd5 Rc1 42.Kd2 Rc2 43.Kd3 Rg2–+) 41.Kd1 Kc7?? (41...Kc5 42.Rc6 Kb4 43.Rf6 Rc2+=) 42.Rb5 (better is 42.Nd5 Kd6 43.Nc3+–) 42...Nd4 (42...Nb4 43.Rb4 Rc2 44.Rb3 Rg2 45.Rc3 Kd6 46.Rd3 Ke6 47.Ke1–+) 43.Ra5 (43.Nd5!? Kc6 44.Rb6 Kc5 45.Nc3 Kb6 46.Kd2=) 43...Rb3 44.Nd5 Kc6 45.Ra6 Kc5 46.Rf6?? (46.Ra5 Kc4 47.Ra4 Kb5+=) 46...Nc2?? (46...Rb2 47.Rf7 Nb3–+) 47.Kd2 Kd4 (better is 47...Na3!? 48.Ne3 Nb1 49.Kd1 Kd4 50.Nc2 dc2 51.Kc2 Rb7–+) 48.Rd6= Na1? (better is 48...Kc5 49.Rd7 Rb2=) 49.Ne3+– Kc5 50.Rd5 Kc6 (better is 50...Kb4 51.Re5 Ra3+–) 51.Rd3?? (better is 51.Nc4 Rb1 52.Ne5 Kb6 53.Kd3+–) 51...Rd3+/– 52.Kd3 Nb3 53.Kc4 Na5? (better is 53...Nc5+/–) 54.Kb4+– Nb7 55.Nd5?? (better is 55.Nc4+–) 55...Nd6 56.g4 h6? (56...Nf7 57.h4+/–) 57.h4 (57.Ne7 Kd7 58.Ng6 Ke6+–) 57...Ne8? (57...Kd7+/–) 58.g5?? (better is 58.Ne7 Kd7 59.Ng6+–) 58...h5?? (58...hg5 59.hg5 Ng7 60.Ne7 Kd6 61.Ng6+=) 59.f4 (better is 59.Ne7 Kd6 60.Ng6+–) 59...Kd6+/– 60.Kc4 ef4 61.Nf4 (61.Kd3!? f3 62.Ke3+/–) 61...Ke5= 62.Ng6 Ke4 63.Kc3 Kf5 64.Ne7 Kg4 65.g6 1–0. cogit – heko2010, kurnik, 2013.

6.e4 Qb4

7.c4 d6 8.Bc3= Qb6 9.h3 e5=+ 10.d3 Nf6 11.Nd2 Be7 12.Ne2 0–0 13.Ng3 Re8 14.Qf3 Nbd7 15.Be2 Nc5 16.0–0=+ Be6 17.Nf5 Bf5 18.Qf5 g6 19.Qf3 Nh5 20.Rb1 Qc7=+ 21.Nb3 Nb3 22.Rb3 Bg5 23.Bd1 Nf4=+ 24.h4 Bh6 25.h5 Ne6 26.Rb4 Bg5 27.Rb1 Rf8 28.Bb3 Kg7 29.Kf1 Qd7 30.Qg3 Qe7 31.Bc2 Bh6 32.Ra1 Nf4 33.hg6 hg6 34.Qg4 Ne6 35.Ra7 Bg5 36.Qf3 Rh8–/+ 37.g3 Qc7 38.Qg2 Bd8 39.Ra8 Qd7 40.f4=+ Bf6 41.Rh8 Kh8 42.Qh3 White prepares the advance f5 42...Kg8 43.Bb2 Kg7 44.Bc1 Qd8 45.Be3 Qa5 46.f5=+ Nc5?? 47.Qh6+– Kg8 48.fg6 (48...fg6 49.Qg6 Bg7 50.Qd6+–) 1–0. Deveraux – Klages (2590), ICC, 2001.

7.c4 Nf6 8.Qc2 =+.

7.Nf3 Qe4 8.Be2 Nf6 9.0–0 e6 10.Re1 Qb4 11.Bc3 Qb6 12.d3 Be7 13.Nbd2 d5 14.Ne5 Nbd7 15.Nd7 Bd7 16.Bf6 Bf6 17.Bf3 0–0 18.c4 Qc7 19.cd5 ed5 20.d4 Bd4 21.Re2 g6 22.Qe1 Bf6 23.g3 Bf5 24.Bg2 Kg7 25.Nf3 b5 26.Rc2 Qd6 27.Rc1 c5 28.Nd2 b4 29.Nb3 c4 30.Na5 Qb6 31.Nc4 dc4 32.Rc4 b3 33.Rb4 Qe6 34.Qe6 Be6 35.Rb3 Bb3 0–1. guest1063 – guest1728, ICS blitz, 2000.

6.Be5 d6

7.Bc3 Na6 8.Na3 Nb4 9.Nc4 Qc5 10.e4 e5 11.Qb1 Na6 12.Nf3 b5 13.d4 ed4 14.Bd4 Qb4 15.Qb4 Nb4 16.Nd6! Bd6 17.Bg7 Nc2 (17...Nf6 18.Bh8 Ne4 19.Nd4+/–) 18.Kd2 Na3 19.Bh8 c5 20.e5 Bf8 21.Bd3 h5 22.Rd1 b4 23.Be4 Ne7 24.Bf6 c4 25.Nd4 c3 26.Ke1 Bd7 27.Bg5 Bg7? 28.f4+– Nc4 29.Bf3 Ne3 30.Ra1 Nc8 31.Ra8 Nc4 32.Rb8 Bf8 33.e6! N4d6 34.ed7 1–0. marekt – bossew, ChessWorld.net, 2003.

7.Bc3 e5 8.e3 Nf6 9.Ne2 Ne4 10.g3 Be6 11.f3 Nc3 12.dc3 Qe3 13.Bg2 Bd5 14.Qd3 Qg5 (14...Qb6!? 15.Na3–+) 15.0–0 Qe7 16.c4 Be6 17.b5 c5 (Better is 17...d5!? 18.cd5 Qc5 19.Kh1 Qd5–/+) 18.f4 Nd7?? (Better is 18...f5!? 19.Bd5 g6=+) 19.Bb7 (Better is 19.f5!? e4 20.Qb3+–) 19...ef4 20.Nf4 (< 20.Rf4 Ne5 21.Qe4 f5=+) 20...Ne5 21.Bc6 Bd7 22.Bd7 Qd7 23.Qb3 Be7 24.Nc3 0–0 25.Ncd5 Bg5 26.Kg2 Qb7 27.Ra1 Bf4 28.gf4 Ng6 29.Kg3 h5 30.h4 Qd7 31.Qf3 (31...Qf5 32.Qe2=) =. tycho – Dereck, HCL–A1090 playchess.de, 2003.

6.b5 Qb5=+

7.e3 Qa5=+ 8.Bc3 Qc7 9.d4 Nf6 10.Nd2 d5 11.Ngf3 e6 12.Bd3 Be7 (13.0–0 0–0=+; 12...b5 13.0–0=+). Bernardo,Angelo – Solare,Juan, Orang–Utan Invitational, 2001.

7.e3 Qb6 8.Nc3 (8.Be2 d6+=) 8...d5–/+ 9.Nf3 Bg4 (9...Nd7 10.d4–/+) 10.Be2 (10.h3 Bf3 11.Qf3 e5+=) 10...Nf6 (10...Bf3 11.Bf3 e5 12.Ne2–/+) 11.Na4 (11.Ne5 Be2 12.Ne2 e6–/+) 11...Qa5 12.c4 (12.Nc3 b5–/+) 12...Bf3 (12...dc4 13.Bc3 Qd8 14.Nb2–+) 13.gf3 (13.Bf3 dc4 14.Bc3 Qd8–/+) 13...e6 (13...dc4!? 14.Bc3 Qd8 15.Nc5–+) 14.Bc3 (14.Bf6 gf6 15.cd5 cd5–/+) 14...Bb4 15.cd5 cd5 (15...Bc3 16.Nc3 ed5 17.Qb3–/+) 16.Rg1 (16.Bf6 gf6 17.Nb2 Rg8–/+) 16...Bc3–+ 17.Nc3 0–0 18.Qb1 b6 (18...Qc7 19.Rg2–+) 19.Rg5 (19.Qb2 Rd8–/+) 19...h6 (19...Nc6 20.Bb5 Rc8 21.Bc6 Rc6 22.Qb2–+) 20.Rg3 (20.Rg2 Nc6–+) 20...Nc6 21.f4 Ra8 22.Bd1 Rb8 23.f5 e5 24.e4 Rd8 25.ed5 Nd5 26.f6? Nf6 27.Qf5 Kh8 28.Rh3 Rd6 29.Bc2 Ne7 30.Qg5 Qa1 31.Nd1 Qd4 32.Rh6 gh6 33.Qh6 Kg8 34.Qg5 Kf8 35.Qh6 Ke8 36.Nc3 Qf4 37.Qh8 Neg8 38.Ne4 Ne4 39.Qg8 Ke7 40.Be4 Qe4 (40...Qe4 41.Kf1 Qd3 42.Kg2 Rg6 43.Qg6 Qg6 44.Kf1 b5–+) 0–1. Durka,Jan (2125) – Skara,Vladimir (2030), Tatranske Zruby SVK Open, 2005.

7.e4 Qb4 8.Nc3 =+.

7.Nf3 d5 =+.

7.e4 Qb6

8.Bc4 Nf6=+ 9.Nc3 Qb4 10.Bb3 (10.Qe2!?=+) 10...Ne4–/+ 11.Qf3 (11.Qg4 Qa3 12.Qd1 Nc3 13.Bc3 d5–+) 11...d5–+ 12.Ne4 Qe4 13.Qe4 de4 14.Ne2 Na6 15.Ng3 Nc5 Black gets the initiative 16.Bc4 b5 17.Bd4 e5 18.Bc5 Bc5 19.Ne4 Be7 20.Be2 f5 21.Ng3 Kf7 22.h4 Be6 23.f3 Ra8 24.Nf1 Ra1 25.Bd1 Bc5 26.Ne3 Kf6 27.g4 Be3 28.de3 fg4 29.fg4 Bg4 30.0–0 Bf5 31.e4 Rd1 32.Rd1 Be4 33.Rf1 Kg6 34.Rf2 b4 35.Kh2 c5 36.Re2 Kf5 37.Kg3 c4 (38.Rf2 Ke6–+) 0–1. Burns – Hanison,Bernard, OPCC open, 1994.

8.Nf3 d5 9.ed5 cd5 =.

8.Nf3 d6 9.d4 Nf6 10.Nbd2 d5 11.e5 Nfd7 12.e6 fe6 13.Ng5 Nf6 14.Bd3 g6 15.0–0 Bg7 16.Nb3 Bh6 17.h4 0–0 18.Nc5 Bg5 19.hg5 Nh5 20.g3 e5! 0–1. Malatsilava,Volha (1930) – Eidelson,R (2245), ch–BLR w Minsk BLR, 2011.

6.c3 Qa7

7.Bb2 d5

8.e3 Bf5 9.Na3 e5 10.Nf3 Nd7 11.d4 e4 12.Nd2 Ngf6 13.Be2 Bd6 14.0–0 0–0 15.f3 ef3 16.Bf3 Qb8 17.Qe1 (Better is 17.h3!?–/+) 17...Bh2–+ 18.Kh1 Re8 19.Bd5 Bd3 (19...cd5?! 20.Rf5 Bg3 21.Qe2–/+) 20.Bf7 Kf7 21.Rf3 Bf4 22.Nac4 Kg8 23.Qf2 Bh6 24.Qg3 Qg3 25.Bc1 (25.Rg3 b5 26.Nd6–+) 25...Qh4 (26.Kg1 Qe1 27.Nf1 Qc1–+) 0–1. Hasler,Ulrich – Monteverde,Italo, E–7–030 CiF, 2000.

8.Nf3 Nf6 9.e3 Nbd7 10.d4 Qa2 11.Qc2 e6 12.Bd3 Bd6 13.Nbd2 e5 14.Ke2?? (14.0–0 e4 15.Ne4 Ne4+–) 14...Qa7?? (14...e4 15.Ne4 Ne4=) 15.Ra1= Qb8 16.de5 (16.Kd1 e4 17.Ne4 de4 18.Be4 0–0–/+) 16...Be5 17.c4= Bb2 18.Qb2 0–0 19.Kf1 Re8 20.cd5 Nd5 21.e4 Nf4 22.Bc2 Ne5 23.Qd4 Bg4 24.Ne5 Be2 25.Ke1 Ba6?? 26.Nef3 Ng2 27.Kd1 Nf4 28.e5 Ne6 29.Qe4 h6 30.Qh7 Kf8 31.Ne4 Qa7 32.Nd6 Rd8 33.Ke1 Qb6 34.Rb1 Ke7 35.Nf5 Kd7 36.Ng7 Ng7 37.Qg7 Qb5 38.Bd3 Qd5?? 39.Qg4+– Ke8 40.Ra1 Qd3 (41.Qg8 Ke7 42.Qd8 Kd8=). Waibel – Lange, compuserve, 1996.

7.Bb2 d6

8.e3 Nf6 9.Be2 Qa2 10.Ba3 g6 11.Nf3 Bg7 12.0–0 (12.c4 Bg4=) 12...Na6 (12...Bf5!? 13.d3 Nd5=+) 13.Qa4 0–0 14.b5 cb5 15.Qb5 Nc7 16.Qb4 Ncd5 17.Qh4 Bg4 18.Ng5?? (Better is 18.h3 Bf3 19.Bf3=) 18...Be2–+ (19.Re1 h6–+) 0–1. tromar (1660) – oarkov, GameColony.com, 2002.

8.e4 Be6 9.d4 d5 (9...Qa2 10.Qc2+=) 10.e5+= g6 11.Bd3 Nh6 12.Ne2 Bf5 13.0–0 e6 14.Na3 b5 (14...Nd7 15.Ng3+=) 15.Ng3 (15.Nf4 Bd3 16.Qd3 Be7+/–) 15...Bd3+= 16.Qd3 Bg7 17.Ra1 Qe7? (better is 17...Qb7+=) 18.Nb5!+– f5?? (18...cb5 19.Qb5) 19.Ra7 Qd8 (19...cb5 20.Re7 Ke7 21.Qb5+–) 20.Nc7 Ke7 (20...Kf7 21.Nd5 Nd7 22.Qa6+–) 21.Nd5 Kf8 (21...Ke8 22.Nc7 Kf7 23.Qc4+–) 22.Nf4 Qc8 23.Qc4 Nf7 24.Ne6 Kg8 (24...Ke8 25.Ng7 Kd8 26.Qf7 Qd7 27.Ne6 Qe6 28.Qc7 Ke8 29.Qb8 Qc8 30.Qc8) 25.Ng7 (25.Nd8 Qb7 26.Rb7 h6 27.Qf7 Kh7 28.Qg7) 25...Kg7 26.Qf7 Kh6 27.Bc1 g5 (27...f4 28.Bf4 g5 29.Qf6) 28.Qh5 1–0. Lein,Marina – Vasiukova,Renata D, Seniors Russian Championship Women, 2008.

7.Bb2 Nf6

8.d4 Qa2 9.Qc2 d5 10.e3 Nbd7 11.Nf3 Nb6 12.Bd3 Na4 13.Bc1 Qc2 14.Bc2 Nb6 15.0–0 e6 16.Ne5 Bd6 17.f4 0–0 18.Nd2 Be5 19.fe5 Ng4 20.Rf3 f6 21.Rg3 Nh6 22.ef6 Rf6 23.e4 Nf7 24.e5 Rh6 25.Nb3 Rh4 26.Nc5 Nc4 27.Bd3 b6 28.Na4 b5 29.Nc5 Kf8 30.Rf3 Ke8 31.Rf2 Ke7? 32.Ra2 Nb6 33.Ra7 Ke8 34.Rc7 Bd7 35.Rb7 Na4 36.Nd7 Nc3 37.Bb2 Nd8 38.Ra7 Nd1 39.Ba1 Ne3 40.Nb8 Rg4 41.g3 Nf5 42.Bf5 ef5 43.Kf2 f4 44.gf4 Rf4 45.Kg3 Rf1 46.Bc3 Rc1 47.Bd2 Rb1 48.Bg5 Rb3 49.Kg4 Rb4 50.Kf5 g6 51.Kf6 1–0. Wall Bill – Astrofulon, Internet, 2002.

8.d4 d5 9.Nd2 e6 10.Ngf3 Bd6 11.e3 0–0 12.Bd3 Qa2 13.Qc2 b6 14.Ng5 h6 15.0–0 Qa7 16.Nh7 Nh7 17.Bh7 Kh8 18.Bd3 Ba6 19.Ra1 Bd3 20.Qd3 Qc7 21.g3 Nd7 22.e4 de4 23.Ne4 Nf6 24.Nf6 gf6 25.Qf3 Kg7 26.Qh5 Rh8 27.Bc1 e5 28.Qg4 Kh7 29.Qf5 Kg7 30.Be3 c5 31.Qg4 Kh7 32.Qe4 Kg7 33.dc5 bc5 34.Ra6 Qe7 35.Qd5 Rd8 36.bc5 Bb8 37.Qf3 Rg8 38.Qh5 Rh8 39.Qg4 Kh7 40.Qf5 Kg7 41.c4 Qd8 42.Qg4 Kh7 43.h4 Qe7 44.Qh5 Kg7 45.Qf5 Qd8 46.h5 Qe7 47.Kh2 Bc7 48.Qg4 Kh7 49.Ra7 Re8 50.c6 Qd8 51.Qd7 Qd7 52.cd7 1–0. mtre – JSF, internet, 2002.

8.e3 Qa2 9.Qc2 =.

8.e3 d5 9.d4 (9.Nf3 Bf5 10.d3 Qb6=) 9...Qa2 10.Qc2 Ne4 11.Bd3 (11.f3 Nd6 12.Bd3 Nc4 13.Bc4 Qc4=) 11...Bf5 12.f3 Ng3 13.hg3 Bd3 14.Qd3 Qb2 15.Ne2 (15.Rh7? Rh7 16.Qh7 g6–+ (16...Qg2?! 17.Ne2–/+)) 15...Nd7 (15...h6 16.e4=) 16.Rh7 (16…Rh7 17.Qh7=). Wall,Bill – Tuomas, Internet, 1996.

8.e3 d6 9.d4 Bg4 10.Be2 Qa2 11.Qc2 Nbd7 12.Nf3 Nb6 13.0–0 Na4 14.Bc4 Qc4 15.Qa4 Qe6 16.Nbd2 Qc8 17.h3 Bf3 18.Nf3 e6 19.Ra1 Be7 20.Qa8 0–0 21.Qc8 Rc8 22.Ra7 Rb8 23.Nd2 d5 24.Ba3 Bd8 25.c4 Bc7 26.c5 Ne4 27.Ne4 de4 28.b5!! cb5 29.c6 b4 30.Bb4 Bb6 31.Rb7 Rb7 32.cb7 Bc7 33.Ba5 Bb8 34.Bb4 f5 35.f3 f4 36.fe4 fe3 37.e5 g5 38.Bd6 e2 39.Kf2 1–0. mtr – burkez, Internet, 2001.

8.Nf3 d5 9.e3 Nbd7 10.d4 Qa2 11.Qc1 e6 12.Nbd2 Bd6 13.Ba3 0–0?? (Better is 13...Ne4+/–) 14.Bd3+– Ne4 15.Bc2 (15.Ne4?! de4 16.Be4 f5+/–; 15.Be4?! de4 16.Ne4 Be7+/–) 15...Nd2 16.Nd2 Bb4 17.cb4 c5 18.Bb3 Qd2 19.Kd2 cd4 20.ed4 Nf6 21.b5 Ne4 22.Ke3 Re8 23.f3 Nf6 24.Qc7 g6 25.Be7 Kg7 26.Bd8 Rd8 27.Qd8 1–0. kamret (2210) – Jovilito, GameColony.com, 2003.

8.Nf3 Ne4 9.e3 Qa2 10.Qc2 d5 11.c4 Na6 12.cd5 Nb4 13.Qe4 Qb2 14.Nc3 f5 15.Qc4 Qc1 16.Nd1 Qc4 17.Bc4 cd5 18.Bb5 Bd7 19.Bd7 Kd7 20.Nc3 g6 21.Ke2 e6 22.Rb1 Bd6 23.Nb5 Bc5 24.Ne5 Ke7 25.d4 Nc6 26.Nd3 Bd6 27.Nd6 Kd6 28.Rb7 e5 29.de5 Ne5 30.Ne5 Ke5 31.Kd3 g5 32.Re7 Kf6 33.Rd7 Ke6 34.Rg7 Kf6 35.Rb7 Ke5 36.g3 h5 37.f4 gf4 38.gf4 Kd6 39.Kd4 Re8 40.Rb6 Kd7 41.Rh6 h4 42.Rh4 Re4 43.Kd5 Re3 44.Rh5 Rb3 45.Ke5 Rb5 46.Kf6 Rb4 47.Kf5 Kd6 48.h4 Rb5 49.Kg6 Rb2 50.f5 Rb4 51.f6 Rf4 52.Rh8 Rg4 53.Kf5 Rg1 54.f7 Rf1 55.Kg6 1–0. Wall,Bill – Chessplayaa, Internet, 2001.

6.c3 e5

7.Na3 d5 8.g3 Bd6 9.Nf3 Ne7 10.e3 0–0 11.Nc2 Bg4 12.Qb1?? (better is 12.h3 Bf3 13.Qf3–/+) 12...Bf3–+ 13.Rg1 e4 14.Nd4 Nd7 15.Nf3 ef3 16.Qd1 c5 (16...Ra8 17.Bb2 c5 18.h4–+) 17.bc5 (17.Qf3 Ra8 18.Qd1 cb4 19.cb4 Bb4–+) 17...Nc5 18.Qf3 Ne4 (better is 18...Ra8!? 19.Qd1 Ra2 20.c4–+) 19.Qd1 (19.Bd3 f5 20.Qd1 Ra8–+) 19...Ra8 20.c4 (20.d3 Qa5 21.de4 Qa1 22.Qa1 Ra1 23.Kd2 de4–+) 20...Bb4 21.cd5 (21.Bd3 Nd2 22.Bd4–+) 21...Bd2 22.Qd2 Nd2 23.Kd2 Ra1 24.Ke2 Nd5 25.Kf3–+ Qc6 26.e4 Nf6 27.Kg2 Qe4 28.f3 Ra2 29.Kh3 Qf3 30.Bc4 Qg4 0–1. rryy44 – antoni64, kurnik, 2013.

7.Qb3 d5 8.Nf3 (8.e3 Nf6=+) 8...e4 9.Nd4 Nf6 10.d3 Bd6 11.g3 (11.e3 0–0=+) 11...ed3–/+ 12.ed3 (12.e3 Nbd7 13.Nf5 d2 14.Nd2 Bf8=) 12...0–0 13.Be2 Re8 14.Nd2 Bg4 15.h3 (15.f3 Bh3–/+) 15...Be2 16.Ne2 Bg3 (16...Nbd7 17.f4–/+) 17.fg3 Qe3 18.Qd1 Qg3 19.Kf1 Qd3 20.Rh2 (20.Kf2 Qe3 21.Kf1 Nbd7–+) 20...Ne4–+ 21.Ke1 0–1. thotares (1635) – halocan (1625), internet, 2007.

7.e3 d5 (--> 6.c3 d5 7.e3 e5).

7.e3 Nf6 8.Nf3 Qa7 9.Bb2 e4 10.Nd4 d5 11.Qc2 Nbd7 12.c4 dc4 13.Nc3 Ne5 14.Ne4 Nd5 15.Bc4 Nb4 16.Qc3 Nc4 17.Qc4 Qa6 18.Qa6 Na6 19.Ke2 Be7 20.Ra1 f5 21.Nc3 c5 22.Nf3 Be6 23.Ne5 0–0 24.f4 Bf6 25.Na4 Rc8 26.d3 Bd8 27.Nc3 Bf6 28.Nb5 Nc7 29.Nc7 Rc7 30.Ra7 h5 31.Kd2 g5 32.fg5 Bg5 33.Nf3 Bd8 34.Be5 Rd7 35.Bf4 Kh7 36.g3 Bd5 37.Ne5 Rg7 38.Ra8 Rg8 39.Nd7 c4 40.dc4 Bc4 41.Bd6 Bc7 42.Nf6 Kg6 43.Rg8 Bg8 44.Bc7 (44.Ng8?? Bd6 45.e4 fe4–+) 44...Kf6 ½–½. didaktikm123 (2085) – forsetinn (2410), gameknot.com, 2015.

7.e4 d5 8.ed5= cd5 9.Nf3 e4 (9...Bd6 10.c4 Bg4 11.c5 Qb4 12.cd6 Bf3 13.gf3+/–) 10.Nd4 Nf6 11.Bb5 (11.Be2 Bd6=) 11...Bd7 (11...Nc6 12.Qa4 Bd7 13.Qa8 Ke7 14.Bc6 bc6 15.0–0=) 12.Qa4 (12.Na3 Nc6 13.Nac2 Ne5 14.Bd7 Ned7=) 12...Bd6=+ 13.Nf5 (13.Bb2 Bb5 14.Nb5 Be5=+) 13...0–0 14.Bd7 (14.Nd6 Qd6 15.Na3 Ng4=+) 14...Nbd7 15.Nd6 (15.0–0 Re8=+) 15...Qd6 16.0–0 Ng4 Threatening mate... how? 17.g3 (17.f4!?=+) 17...Qh6–+ The mate threat is Qxh2 18.h4 Nde5 19.Kg2 g5 (19...Qf6 20.f4 ef3 21.Kh1–+) 20.c4 gh4 (20...dc4 21.Be5 Ne5 22.Qb5–/+) 21.Be5 Ne5 22.Rh1? (better is 22.cd5 hg3 23.fg3–/+) 22...Qh5 23.Rh4 Qf3 24.Kg1 Nd3 25.Rh2 Qe2 26.Nc3 Qe1 27.Kg2 Qf2 28.Kh3 Qf5 29.Kg2 Ne1 30.Kg1 Nf3 31.Kg2 Nh2 32.Kh2 Qf2 33.Kh3 Qf1 34.Kh2 d4 35.Nd5 Qf2 36.Kh1 Qe1 37.Kg2 Qd2 38.Kh3 Qh6 39.Kg2 d3 40.Qd7 Qe6 41.Ne7 Kh8 42.Qd4 f6 43.Nd5 Qe5 44.Qf2 b5 45.Ne3 f5 46.cb5 f4 47.b6 Rg8 48.Nf5 e3 49.Qa2 e2 50.b7 e1Q (51.Kh2 fg3 52.Kg2 Q5e4 53.Kh3 Qf5 54.Kg2 Qff1#) 0–1. Pietrzak,Janusz – Koscielski,Janusz (2315), Katowice Fibak op, 1993.

7.Nf3 d5 8.Ne5 Nd7 9.Nd7 Bd7 10.Qa4 Be7 11.e3 Nf6 12.Be2 0–0 13.0–0 Qc7 14.h3 b5 15.Qa6 Rb8 16.d3 Rb7 17.Qa3 Ra7 18.Qb2 Qc8 19.Re1 Bd6 20.Nd2 Bh3 21.gh3 Qh3 22.Nf1 Re7 23.c4 bc4 24.dc4 Re4 25.Rb1 Rh4 26.f4 Bf8 27.Kf2 Ng4 28.Ke1 Ne3 29.Qc3 Ng2 30.Kd1 Qd7 31.Qg3 dc4 32.Kc1 Nf4 33.Bc4 Rg4 34.Qf3 Nd5 35.Bd5 cd5 36.b5 h5 37.Qd3 Bc5 38.Bc3 d4 39.Bb4 Rg5 40.Bc5 Rc5 41.Kd1 Qg4 42.Qe2 Qg6 43.Nd2 Rc2 44.Qe8 Kh7 45.Qe5 Rd2!–+ 46.Kd2 Qb1 47.Qh5 Kg8 48.Qc5 g6 49.b6 Qe4 ½–½. Gierth,Karlheinz (2185) – Simmelink,Joop (2140), WC–2009–F–00003, 2009.

7.Qb3 Nf6

8.e3 d5 9.Nf3 Bd6 10.Be2 0–0 11.0–0 Be6 12.Ng5 Bf5 13.d4 Nbd7 14.Nd2 h6 15.Ngf3 Bg4 (15...e4!? 16.Nh4 Be6–/+) 16.h3 Bf3 17.gf3 ed4 18.ed4? (better is 18.cd4 Bb4 19.Rb1–/+) 18...Re8 19.Bd3 Nh5 20.Bb2?? (20.Qb1–+) 20...Qd8 21.f4 Nf4 22.Nf3 Nd3 (22...Nd3 23.Qc2 Nf4–+) 0–1. jeglin – muf211, kurnik, 2014.

8.e3 Be7 9.Nf3 d6 10.Be2 0–0 11.0–0 Bd7 12.d4 e4 13.Nfd2 d5 14.f3 Bf5 (14...ef3 15.Bf3 Qa6–/+) 15.g4? (15.fe4 Be4 16.b5 Bd6=) 15...Bg6 (better is 15...ef3!? 16.Bf3 Bg4 17.Bg4 Ng4–+) 16.f4+= h6 17.f5 Bh7 18.h3 Nbd7 19.Rf2 Qc7 20.Nf1 Ra8 21.Bb2 b5 22.Nbd2 Nb6 23.Nb1 Nc4 24.Bc4 bc4 25.Qd1 g5 26.fg6 Bg6 27.Nbd2 Kg7 28.Kg2 Nh7 29.Qe2? (better is 29.Ng3+=) 29...Bh4–+ 30.Rf4 Ng5 31.Nh2 Ra2 32.Nb1 (32.Ndf1 Ne6 33.Rf2 Bf2 34.Qf2 Qb7–+) 32...Qd6 (better is 32...Ne6 33.Rf1–+) 33.Rf1 (33.Na3–+) 33...Qg3 (33...Nf3 34.Kh1 Qh2 35.Qh2 Nh2 36.Kh2 Rb2 37.Kg1–+) 34.Kh1 Qh3 35.Rd1 (35.Na3 Nf3 36.Rb1 Bg3–+) 35...Nf3 36.Rc1 (36.Rd2 Bg3 37.g5 Bh2–+) 36...Qh2 (36...Bg3 37.Qg2 Qh4 38.Nd2 Nh2 39.Qg3 Qg3 40.Nf1 Qf3 41.Kg1 Rb2 42.Rc2 Rc2 43.Nd2 Rd2 44.b5 Qf1) 37.Qh2 Nh2 38.Kh2 Rb2 39.Kh3 Bf2 40.Rf1 Be3 41.Re1 (41.Rh1 Rb3–+) 41...Bg5 (41...Bf4 42.Rh1 e3 43.Nd2 ed2 44.Rd1 Be4 45.Kh4 Rb1 46.b5 Rd1 47.g5 hg5 48.Kg4 f5 49.Kh3 Rh1) 42.Rf1 e3 43.Re1 Bb1 0–1. Valpa – MrM, playchess.de, 2005.

7.d3 d5

8.Nd2 Nf6 9.Ngf3 Bd6 10.e4 0–0 11.ed5 (11.Be2 Bg4=+) 11...cd5–/+ 12.Be2 Nc6 13.0–0 Be6 14.h3 Ra8 15.Re1 Ra2 (15...e4 16.de4 de4 17.Nc4 Bc4 18.Bc4–/+) 16.Qb1=+ Qa7 17.b5 Ne7 18.Nb3 Ng6 (18...Qa3 19.Bf1 d4 20.c4–/+) 19.d4 (19.Bb2 b6=+) 19...e4–/+ 20.b6 Qa8 21.Nfd2 Nd7 22.Bb5 Nb6 23.Qc1? (better is 23.Bb2–/+) 23...Nc4–+ 24.Qd1 (24.Bc4 dc4 25.Nc5 Nf4–+) 24...Na3 25.Be2 (25.Bf1 Nc2 26.Nc1 Ne1 (26...Na1?! 27.Na2 Qa2 28.Ne4 de4 29.Qa1–/+; 26...Ra1?! 27.Qc2 Qa4 28.Qb2–+) 27.Na2 Qa2 28.Ne4 de4 29.Qe1 Nf4–+) 25...Bf4 26.Ne4 de4 27.d5 Bd7 28.Bg4 (28.g3 Nc2 29.gf4 Ne1 30.Qe1 Nf4–+) 28...Ba4 29.Bf5 (29.d6 Nc4 30.d7 Nd2 31.Re4 Bd7 (31...Bb3?! 32.Re8 Nf8 33.Ra8 Ra8 34.Qe1–+) 32.Nd2 Bg4 33.Qg4 Bd2–+) 29…Nc2 (30.Re4 Bb3–+) 0–1. Machete99 – guest108, ICC, 2002.

8.Nf3 Bd6 9.Nbd2 f5.

8.Nf3 Bd6 9.Nbd2 f6 10.e4 Ne7 11.Qb3 Be6 12.d4 0–0 13.Be2 Ng6 14.g3 Re8 15.0–0 Kh8 16.Qa4 ed4 17.ed5 Bd5 18.Nd4 Nd7 19.Bc4 Qc7 20.Bd5 Nb6 21.Qb3 Nd5 22.Nb5 Qd7 23.Nd6 Qd6 24.Nf3 b5 25.Rd1 Qe7 26.Nd4 Qe4 27.c4 bc4 28.Qc4 Ne5 29.Qf1 (29.Qb3 Rb8 30.b5 cb5–+) 29...Nf3 (better is 29...Nb4!? 30.Qe2 Qg6–+) 30.Nf3+= Qf3 31.Re1 Rb8 32.Qc4 h5 (32...Nb4? 33.Qb4!? Rg8 34.Bd4+–) 33.Qc6 Rb4 34.Bc3 (better is 34.Bf6!? Re4 35.Re4 Qe4 36.Qc8 Kh7 37.Bg5+=) 34...Rg4?? (better is 34...Re4 35.Re4 Qe4=) 35.Qe8 (35.Qe8 Kh7 36.Qh5 Kg8 37.Re8) 1–0. Senkyr,Vladimir (2185) – Nehybka,Jiri (2230), CZE–chT2D, 2009.

8.Nf3 Bd6 9.Nbd2 Nf6=+.

8.Nf3 Bd6 9.d4 e4–/+ 10.Nfd2 e3 11.fe3 Nf6 (11...Qc7 12.Qb3 Bh2 13.e4–+) 12.Nf3 (better is 12.e4!? Ng4 13.g3=+) 12...Qc7–+ 13.Ne5 (13.g3!? 0–0–/+) 13...Nbd7 (< 13...Be5 14.de5 Qe5 15.Qd4–+) 14.Nd2 (14.Nd7 Kd7 (14...Nd7?! 15.e4–/+) 15.Qc2 Bh2–+) 14...Ne5 15.de5 (15.e4–+) 15...Be5 16.Nf3 Bg3! 17.hg3 Qg3 18.Kd2 Ne4 19.Kc1 Nf2 20.Qd4 Nh1 21.c4 (21.e4 de4 22.Qe4 Be6–+) 21...Nf2 (better is 21...f6!? 22.e4 dc4 23.e5–+) 22.cd5 cd5 23.Qg7 Qg7 24.Bg7 Rg8 25.Bf6 (25.Be5 Ne4–+) 25...Ne4 (25...Rg6 26.Bd4–+) 26.Bh4 (26.Be5 Rg6–+) 26...Ng3 (26...Rg6 27.Be1–+) 27.Bg3 Rg3 28.b5 (28.Kd2 h5–+) 28...Bd7 29.Nd4 Rg6 (29...h5 30.Kd2–+) 30.Kd2 Rf6 (30...h5 31.Ke1–+) 31.Ke1 Rb6 32.e4 (32.g3 Bb5 33.Bg2 Bc6–+) 32...Bb5 33.e5 (33.ed5 Bc4–+) 33...Bc4 34.g4 (34.g3 Rb1 35.Kf2 b5–+) 34...Rb1 35.Kf2 b5 36.Bg2 (36.g5 b4–+) 36...b4 37.e4 Rb2 (38.Kg3 b3–+) 0–1. Roever,Ludvig – Grafrath,Bernd, BdF, 1998.

7.e4 Nf6

8.d3 d5 9.Nd2 Bd6 10.Be2 0–0 11.Ngf3 Rd8 12.0–0 Nbd7 13.Bb2 Nf8 14.ed5 cd5 15.c4 Ng6 16.cd5 Nd5 17.Nc4 Qc7 18.b5 f6 19.Nd6 Qd6 20.d4 e4 21.Nd2 f5 22.Bc4 Be6 23.Qb3 Qf4 24.Bc1 Qh4 25.f3 Qf6 26.fe4 (26...Qd4 27.Rf2 fe4 28.Bb2=). woschkat – heis, net–chess.com, 2000.

8.d3 d5 9.ed5 cd5–/+ 10.Nf3 Bd6 11.Be2 0–0 12.0–0 Nc6 13.Nbd2 Be6 14.Qb1 Ra8 15.c4 (15.b5!? Ne7 16.c4=+) 15...Qb4–+ 16.cd5 Nd5 17.Qb4 (17.g3 Qb1 18.Rb1 Bb4–+) 17...Bb4 (17...Ncb4?! 18.d4 ed4 19.Nd4–/+) 18.Nc4 (18.Rb1–+) 18...Nf4 19.Nb6 (19.Nce5 Ne2 20.Kh1–+) 19...Ne2 20.Kh1 Ra6 (21.Nc4 e4–+) 0–1. cry – churaku, Live Game Caissa's Web, 2004.

8.d3 d5 9.Nf3!? =+.

8.Bd3 d5 9.Qf3 de4 10.Be4 Qa6 11.Bb2 Qa2 12.Bc1 Bd6 13.b5 0–0 14.Ne2 Bg4 15.Qd3 Ne4 16.Qe4 Be2 17.Ke2 f5 18.Qd3 Rf6 19.Ba3? (19.Kd1 Qa4 20.Qc2 Qg4 21.Ke1 Qg2 22.Rf1–+) 19...Ba3 20.Qd8 Rf8 21.Qa5 Qc4 22.Kd1 Qg4 23.Kc2 Qg2 24.Rd1 Qf2 25.Qa3 Qh2 26.Qd6 Re8 27.Na3 Qg2 28.Nc4 Qe2 29.Rg1 Qc4 30.d3 Qa2 (31.Kd1 Qb1 32.Ke2 Qg1 33.bc6 Qg2 34.Kd1 Nc6–+) 0–1. Ross,John – Whitcomb,Wayne, IECG, 1998.

8.Qe2 =+.

7.Nf3 d6

8.d4 =.

8.e3 Nf6 9.Be2 Nbd7 10.–0 Qa7 11.Bb2 b5 0–1. Pcmvr – Veganray2, playchess.de, 2004.

8.e4 Nf6 9.d3 Be7 10.Be2 0–0 11.0–0 Nbd7 12.Qc2 d5 13.h3 Re8 14.Bb2 Bd6 15.Bc1 Nf8 16.Be3 Qc7 17.Nbd2 Ng6 18.Rb1 h6 19.Bf1 Qe7 20.Nb3 Nh7 21.Ra1 f5 22.Ra8 Nf6 23.Nfd2 f4 24.Bc5 Bc5 25.Nc5 b6 26.Ncb3 Nh4 27.Be2 Qf7 28.Nf3 Nf3 29.Bf3 Be6 30.Re8 Qe8 31.Nd2 Qa8 32.Qb2 Qa6 33.ed5 cd5 34.c4 e4 35.de4 dc4 36.Qe5 b5 37.Nb1 Nd7 38.Qd4 Qa2 39.Nc3 Qa1 40.Kh2 Kh8 41.Nb5 Qd4 42.Nd4 c3 43.Bg4 Bg4 44.hg4 Ne5 45.f3 Kg8 46.Kg1 Kf7 47.Kf1 Nc4 48.Ke2 Ne3 49.Kd3 Ng2 50.Kc3 g6 51.b5 Ke7 52.b6 Kd7 53.Kb4 h5 54.gh5 gh5 55.Kb5 h4 56.b7 Kc7 57.Ka6 h3 58.Ka7 1–0. Dzieniszewski – Urban, Czestochowa 1986.

7.Nf3 Bd6

8.Na3!? +=.

8.d3 Bc7= 9.e3 d5 10.Qa4 Bd7 11.Be2 c5 12.Qa2 Bc6 13.bc5+= Qc5 14.0–0 Nd7 15.d4 Qd6= 16.de5 Ne5 Do you see the mate threat? 17.Nbd2 Nc4 18.Bc4 dc4 19.Nc4 Qh6 20.Qa8 Ke7 21.Qc8 Bh2 22.Nh2 Qe6 23.Qc7 Bd7 24.Qc5 Ke8 25.Nd6 (25...Ke7 26.Nb5 Kd8 27.Qf8 Qe8 28.Qg7 Bb5 29.Rd1 Kc8 30.Qh8+–) 1–0. Wall,Bill – Valley,Ricky, Internet, 2003.

8.d3 Bc7= 9.e4 Nf6 =.

7.Nf3 e4

8.Nd4 c5 9.bc5 Bc5 10.Qc2 Nf6 11.e3 0–0 12.Be2 d5 13.0–0 Bg4 14.d3 Be2 15.Qe2 Qa6 16.Nb3 ed3 17.Qd1 Nbd7 18.Nc5 Nc5 19.Nd2 Ra8 20.h3 Nfe4 21.Bb2 Qa2 22.Qa1 Nd2 23.Rd1 Ncb3 24.Qb1 Qb1 25.Rb1 Nb1 0–1. Hasler,Ulrich – Johannes,Jan, corr TKM/A006, 1999.

8.Nd4 Nf6 9.e3 d5 10.d3 Qc7 11.Nd2 Bd6 12.de4 Ne4 (worse is 12...Bh2 13.ed5 Nd5 14.c4 Nb4 15.N4f3+/–) 13.Ne4 de4 14.Qh5 0–0 15.Qh4 Re8 16.Be2 Qd8 17.Qd8 Rd8 18.0–0 Nd7 19.Rd1 Ne5 20.f3 ef3 21.gf3 Be7 22.Bb2 Rd6 23.e4 Rg6 24.Kf2 Bh4 25.Ke3 Rg2 26.Ra1 Bf2 27.Kd2 Bd4 (worse is 27...Rh2 28.Ra8 h5 29.Rc8 Kh7 30.Ba1+/–) 28.cd4 Nf3 29.Ke3 Ng1 30.Bc4 Rb2 31.Ra8 g5 32.Rc8 Kg7 33.d5 Rc2 34.d6+/– Rc3 35.Bd3 Nf3 36.d7 Rd3 37.Kd3 Ne5 38.Kd4 Nd7 39.Rc7 Nf6 40.e5 Nd5 41.Rb7 Nf4 42.Rb6 Nd5 43.Rb8 Ne7 44.Rb7 Kf8 45.Kc5 g4 46.Kd6 Nf5 47.Kc6 Nd4 48.Kd5 (48.Kd5 Nf3 49.b5+–) 1–0. Boehnke,Hartmut (2175) – Budde,Christian (2105), BdF CS–01 remoteschach.de, 2004.

8.Ne5 d5 9.e3 Nf6 (better is 9...Qa7!? 10.Bb2 Qa2–+) 10.Be2 h5 11.d3 Qc7 12.d4 Bd6 13.0–0 Be5 14.de5 Qe5 15.Nd2 Bg4 16.Bb2? (16.c4!? Qe6 17.Bf6 Be2 18.Qe2 Qf6 19.Rd1=) 16...b5 17.g3 Qf5 18.Re1 (18.f3 ef3 19.Nf3 Bh3–+) 18...Bh3 19.Bf1 Nbd7 20.Qa1 Ke7 21.Qb1 Ne5 22.Bh3? (better is 22.Qa2–+) 22...Qh3 23.Re2 Nfg4 24.Nf1 (24.f3 ef3 25.Qf1 fe2 26.Qe2–+ (26.Qh3 e1Q 27.Qf1 Qd2 28.Qf4 Qe1 29.Qf1 Nf3 30.Kg2 Qd2 31.Kf3 Qe3 32.Kg2 Qd2 33.Qe2 Qe2 34.Kg1 Qh2 35.Kf1 Qf2)) 24...Nf3 25.Kh1 Ngh2 (26.Qe4 de4 27.Nh2 Qh2) 0–1. valpa – tycho, HCL–B2378 playchess.de, 2003.

8.Nd4 Qa7

9.Nc2 d5 =.

9.Bb2 d5

10.d3 Nf6 11.Nd2 =.

10.d3 Nf6 11.de4 Ne4 12.e3 =.

10.d3 Qa2

11.Qc2 Nf6

12.Nd2 ed3 13.ed3 c5 14.bc5 Bc5 15.N2b3 =.

12.Nd2 e3 13.fe3 Bd6 14.e4 =.

12.Nd2 Be7

13.e3 b5 14.de4 Ne4 15.Bd3 Nd2 16.Qd2 +=.

13.e3 b6 14.de4 Ne4 15.Bd3 Nd2 16.Kd2 Qa7 17.Bh7 g6 18.Bg6 fg6 19.Qg6 Kf8 20.h4 (20.Nc6 Qa2 21.Nb8 Qb2 22.Qc2 Qc2 23.Kc2 Bd6=) 20...Qa2 (20...Bh4? 21.Rh4 Rh4 22.Qf6 Ke8 23.Qh4+–) 21.Kc1 (21…Rg8 22.Qh5–/+). Benussi – Stevens, 4AMM–04 email, 1997.

13.e3 b6 14.de4 Ne4 15.Bd3 Nd2 16.Kd2 Qa8 17.Ra1 Qb7 18.Ke1 = (< 18.Bh7 g6 19.Bg6 fg6=+).

13.e3 b6 14.de4 Ne4 15.Bd3 Nd2 16.Qd2 c5 17.bc5 bc5 +=.

13.e3 Nbd7 14.de4+/– Ne4 15.Ne4 de4 16.Nf5 Ne5? (16...Nf6 17.Ne7 (17.Ng7 Kf8–+) 17...Ke7 18.c4+/–) 17.Ne7 (worse is 17.Qe4 Qb2 18.Ng7 Kf8 19.Qe5 Rg8+=) 17...Ke7 18.Qe4 Rd8 19.Bc4 Qc4 20.Qe5 Be6 21.Qc5 (21.Qg7 Qd3 22.Qg5 f6 23.Qg7 Bf7–+) 21...Qc5 22.bc5 Bc4 (22...Bd5 23.Rg1 Bb3 24.Ke2=) 23.e4 Ke6 24.f3 f5 25.ef5 Kf5 26.Bc1 Re8 27.Kf2 Re2 28.Kg3 Re5 29.Ba3 Re3 30.Rd1 Be6 31.Bb4 Re2 32.Rd8 Rc2 33.Rf8 Kg6 34.Rb8 Bc4 35.Rb7 Bf1 36.Kf4 Rg2 37.Rc7 Rh2 38.Rc6 Kh5 39.Rc7 g5 40.Kf5 h6 41.c6 Rf2 42.Ke5 Bg2 43.Rd7+/– ½–½. Reuter,Alfred – Blatt,Frank, corr WCCF, 2000.

8.Nd4 d5

9.d3 ed3 10.Qd3 Bd6 11.Nd2 Nf6 12.Qe3 Be7 13.g3 Qc7 14.Bg2 0–0 15.0–0 Re8 16.Qd3 b6 17.e4 Ba6 18.b5 cb5 19.ed5 b4 20.c4 Bc5 21.Nf5 Nbd7 22.d6 Qd8 23.Ne4 Ne4 24.Be4 Nf6? (better is 24...f6+–) 25.Bc6 Re6 26.Bf6 Qf6 (26...Rf6 27.Re1 Re6+–) 27.d7 Qd8 28.Ra1 (28.Ra1 Rc6 29.Ra6+–) 1–0. hanzelpeter (2285) – pawnraider (2030), gameknot.com, 2015.

9.d3 e3 10.fe3 Nf6 11.Qc1 Bd6 12.Nd2 Ng4 13.N2f3 0–0 14.Nc2 Re8 15.d4 (15.g3!?–/+) 15...Re6 (15...Bf5 16.g3 Nd7 17.Bh3–+) 16.Bb2 (better is 16.Qa3 Qc7 17.c4 Bh2 18.Nh2 Qg3 19.Kd2–+) 16...Rh6 17.h3 (17.Ne5 Ne5 18.de5 Be5 19.e4 Bg3 20.hg3 Rh1 21.Qe3–+) 17...Bg3 18.Kd2 Nf2 19.Rg1 Ne4 20.Kd1 Rf6 21.Ng5 (21.Qa1 Qc7 22.Nd2 Nf2 23.Kc1 Bh2–+) 21...Ng5 22.Ne1 Bf2 23.Rh1 Ne4 24.g4 Be1 25.Bg2 Bg3 26.Kc2 (26.Be4 de4 27.Qc2 Be6–+) 26...Qb5 27.Bf3 b6 28.Kb1 Re6 29.Rg1 Bh4 30.Rh1 Qc4 31.Rh2 (31.Qc2 Nf2 32.Rf1 Na6–+) 31...c5 32.bc5 bc5 33.Rh1 (33.Qc2 Ng5–+) 33...Nc6 34.Ka1 (34.Qc2 Nf2–+) 34...Na5 35.Kb1 Nb3 (36.Be4 Nc1 37.Bd5 Qd5 38.Rc1 Qe4 39.Ka2 Ra6 40.Ba3 Be6 41.c4 Qe3 42.Kb2 Ra3 43.Rc2 Qb3 44.Kc1 Ra1 45.Kd2 Be1#) 0–1. Bonetti,Shane – gottawinsky, ICC, 2002.

9.d3 e3 10.fe3 Nf6 11.Qc1 Ng4 12.h3 Nf6 13.Nd2 Qc7 14.N2f3 (14.Kf2!?=+) 14...Nh5 15.Rg1 Ng3 16.Bb2 Bd6 17.Qd2 b6 18.b5 c5 19.Nc2 f6 20.Na3 Qe7 (20...0–0 21.c4 Be6 22.cd5 Bd5 23.Qc3–+) 21.Kd1 (better is 21.Kf2–/+) 21...Nf5 22.Nc2 Bg3 23.e4 de4 24.de4 Nd6 25.e5 Nc4 (25...Nb5 26.c4 Nc7 27.ef6 gf6 28.Qh6 Qd6 29.Nd2=+) 26.ef6 (26.Qd5 Nb2 27.Kc1–+) 26...Qf6 (26...Nb2?! 27.Kc1 gf6 28.Kb2=) 27.Qc1 Qd6 (better is 27...Qd8 28.Nfd4 cd4 29.cd4 Nb2 30.Qb2–+) 28.Nfd4 cd4 29.Nd4 (29.cd4 0–0 30.Ba3 Na3 31.Qa3–+) 29...Bf2 30.Rh1 Ne3 31.Kd2 Bb7 32.Qa1 (32.Ba3 Nc4 33.Kd1 Na3–+) 32...Qf4 33.Bc1 Nd7 34.Qa2 (34.h4 Ne5 35.c4 0–0–+) 34...Bd5 35.Qa3 Ne5 (36.Qa4 N5c4 37.Qc4 Bc4–+) 0–1. Bonetti,Shane – ajop, ICC, 2002.

9.e3 Qa7 10.Bb2 Nf6 11.d3 Qa2 12.Qc2 Bd6 13.Nd2 0–0 14.de4 Ne4 15.Bc4 dc4 16.Ne4 Be5 17.0–0 Bd4 18.ed4 Bf5 19.f3 Nd7?? (19...Qb3 20.Qe2 Be4 21.fe4 c5 22.bc5 b6 23.cb6 Nd7+–) 20.Ra1+– Be4 21.fe4 (21.Ra2? Bc2 22.Ra7 Bf5–+) 21...Qb3 22.Qb1 c5 23.Ra3 (23.bc5?! Re8+/–) 23...Kh8 (23...Qa3 24.Ba3 cd4 25.cd4 b5+–) 24.Rb3 (24.Rb3 cb3 25.bc5+–) 1–0. Degterev,Pavel – Trevis,Robert, IECG, 2005.

9.e3 Bd6 10.c4 Be5 11.cd5 cd5 12.Qa4 Nd7 13.Nf5 Ba1 14.Qa1 Qb4 15.Bb5 Ngf6 16.Bd7 Kd7 17.0–0 Rg8 18.Nc3 Qb6 19.Na4 Qb4 20.Rb1 Qf8 21.Nb6 Ke6 22.Nd4 Ke7 23.Rc1 Bd7 24.Qa3 Ke8 25.Qa8 Ke7 26.Qb7 1–0. Benassi,Aspasio – Kulbacki,Jim, corr or02–024, 2002.

9.d3 Nf6

10.Nd2 c5 11.bc5 Bc5 12.e3 =.

10.Nd2 e3 11.fe3 Bd6 12.g3 Qc7 Do you see the mate threat? 13.Qc1 0–0 14.e4 Ng4 The mate threat is Bxg3 15.N2f3 de4 16.de4 Re8 17.Qb1 b5 18.Bb2 Nd7 19.Bh3 Ndf6 20.Bg4 Bg4 21.Nd2 Bh3 22.Rg1 Ng4 23.N2f3 Nh2! 24.Ng5 Bg3 25.Kd1 Bf2 26.e5 g6 27.Nh3–/+ Bg1 28.Ng1 Qe5 29.Qd3 Ng4 30.Kc2 Qd6 31.Bc1 Qd5 32.Nb3 Qe6 33.Qd4 h5 34.Qf4 f6 35.Qd4 g5 36.Kb2 Ra8 37.Qd3 Ne5 38.Qc2 g4 39.Kb1 h4 40.Bf4 Qf7 41.Be5 fe5 42.Kb2 h3 (43.e3 Qh7–+) 0–1. Van Rooijen,Peter – Poulin,Ricky, C–2001–561 FCV–D5, 2001.

10.e3 Bd6 11.Nd2 0–0 12.de4 Ne4 13.Ne6 Nf2 14.Kf2 fe6 15.Nf3 e5 16.Ke2 e4 17.Kd2 ef3 18.gf3 Re8 (19.e4 Bf4 20.Kc2 de4 21.fe4 Be6–+) 0–1. Hasler,Ulrich – Zaremba,Artur, 8.CH/1 CiF, 2000.

10.e3 Nbd7 11.Nd2 ed3 12.Bd3 Ne5 13.Be2 Bd6 14.0–0 0–0 15.Qc2 Re8 16.N2f3 Bb8 17.Ne5 Re5 18.Nf3 Rh5 19.c4 Qb4 20.Bf6 gf6 21.cd5 Rd5 22.Nd4 Qe7 23.Bf3 Rc5 24.Qa2 Kg7 25.Rb1 Be5 26.g3 Bd4 27.ed4 Rc3 28.Bg2 Bf5 29.Qa5 Bb1 30.Qc3 Qe2 31.h4 Be4 32.Bf1 Qf3 33.Qf3 Bf3 34.Bd3 h6 35.Kf1 Kf8 36.Ke1 Ke7 37.Kd2 Ke6 38.Ke3 Bd5 39.g4 b5 40.f4 Ke7 41.Kd2 b4 42.g5 fg5 43.fg5 hg5 44.hg5 Kd6 45.Kc2 c5 46.dc5 Kc5 47.Bh7 Kd6 48.Kb2 Ke7 49.g6 ½–½. Rovid – Biriescu, 1981.

10.e3 Be7 11.de4 de4 12.Nd2 0–0 13.Qc2 Qa7 14.Bb2 c5 15.bc5 Nbd7 16.Ne4 Ne4 17.Qe4 Qc5 18.Bd3 Nf6 19.Qf3 Bd6 20.h3 Qe5 21.Qe2 Re8 22.Nf3 Qa5 23.0–0 Ne4 24.Rd1 Nc3 25.Bc3 Qc3 26.Bh7! Kh7 27.Rd6 Qc5 28.Rd1 Bf5 29.Nd4 Be4 30.Qg4 Kg8 31.Qd7 Ra8 32.f3 Bc6 33.Qf5 Qc3 34.Qf4 Re8 35.e4 Rd8 36.Qd2 Qc5 37.Qe3 Ba4 38.Rd3 b5 39.Nc6 Qe3 40.Re3 Rd2 41.Ne7 Kh7 42.Nd5 Rd4 43.Kf2 b4 44.Re2 b3 45.Rb2 Rc4 46.Ke3 Rc2 47.Rc2 bc2 48.Kd2 f6 49.Ne3 Kg6 50.Nc2 Kf7 51.Nd4 Ke7 52.h4 Bd7 53.g4 Kf7 54.Kd3 Bc8 55.h5 Ba6 56.Ke3 Bb7 57.Nf5 Bc8 58.Nd6 Kg8 59.Nc8 Kh7 +–. kamret (2185) – xerxes2008 (2030), GameColony.com, 2003.

10.e3 Bg4 11.Qc2 Bh5 12.de4 Bg6 13.Bd3 de4 14.Be2 c5 15.bc5 Bc5 16.Nd2 0–0 17.0–0 Rd8 18.Rb1 Qc7 19.Nb5 Qe7 20.Nb3 Bb6 (20...Na6 21.N5d4 Qc7 22.Nc5 Nc5 23.c4=) 21.c4 Nbd7 (21...Na6 22.Qc3=) 22.h3 Ra8 23.Qd2 Ne5 24.Qd6+/– Nf3 25.Kh1 Bd8 26.Rd1 Nh4 27.Bc3 h6 28.Qe7 Be7+= 29.Na5 b6 30.Nc6 Bc5 31.Kg1 Ne8 32.Rd7 Nf5 33.Ne5 Nf6 34.Rb7 Ne8 35.Ng6+/– fg6 36.Bd1 Kf8 37.Bc2 Ned6 38.Nd6 Nd6 39.Rc7 ½–½. Trokenheim,Marek – Smits, CTON, 1996.

10.de4 de4 11.e3 =.

10.de4 Ne4 11.Nd2 c5 12.bc5 Bc5 13.e3 0–0 14.Bd3 Qg6 15.Qf3 Re8 16.Be4 de4 17.Qg3 Qa6 18.N4b3 Bd6 19.Qh4 Nd7 20.c4 Nc5 21.0–0 Nb3 22.Nb3 Qc4 23.Qg5 Bf8 24.Nd4 Bd7 25.h3 b5 26.Bb2 f6 27.Qf4 b4 28.Ra1 Qc5 29.Ra6 Kh8 30.Qh2 Rc8 31.Qg3 Qd5 32.Qf4 Qb7 33.Ra1 b3 34.Re1 Kg8 35.Ra1 Rc2! 36.Rb1 Bc5 37.Ba3 Ba3 38.Nc2 bc2 39.Rb7 c1Q 40.Kh2 Qc6 41.Qb8 Qc8 42.Qc8 Bc8 43.Ra7 Bd6 44.Kg1 Bf8 45.g4 f5 46.g5 Be6 ½–½. AndyAndyO – Subedei, ChessWorld.net, 2006.

9.e3 Nf6=+

10.d3 c5 11.bc5 Bc5 12.Nd2 0–0 13.Qb1 Bd4 14.ed4 Qb1 15.Nb1 Re8 16.de4 Ne4 17.Be2 Bf5 18.f3= Nc5 19.dc5 Bd3 20.Kd2+= Be2 21.Re1 Bb5 22.Re8 Be8 ½–½. pcmvr (2695) – martijn (2610), net–chess.com, 2006.

10.d3 ed3 11.Bd3 Bd6 12.0–0 0–0 13.Nd2 Qc7 14.N2f3 Bg4 15.h3 Bh5 16.Bb2 Nbd7 17.Qc2 Re8 18.Ra1 Ne5 19.Ne5 Be5 20.c4 dc4 21.Qc4 Bg6 22.Bg6 hg6 23.Ra2 Ne4 24.Nf3 Bb2 25.Rb2 Qd7 26.Rb1 Qe7 27.Rd1 Kf8 28.Rd4 Kg8 29.b5 c5 30.Rd5 Qf6 31.Rd7 Qf5 32.Rc7 Rd8 33.b6 Ra8 34.Kh2 Nd6 35.Qf4 Qf4 36.ef4 c4 37.Rd7 c3 38.Ne1 Nc4 39.Rb7 Kf8 40.Nc2 Ke8 41.Nb4 Rc8 42.h4 Nd6 43.Ra7 Rc4 44.Nc2 Kd8 45.g4 Kc8 46.Re7 Rf4 47.Kg3 Rc4 48.f3 Rc6 49.b7 Kb8 50.Rd7 Rb6 51.Kf4 Nb7=+ 52.Rf7 Rb2 53.Ne1 Re2 54.Nd3 c2 55.Rf8 Kc7 56.Rf7 Kc8 (57.Rg7 Nc5 58.Rg8 Kc7 59.Rg7 Kd8 60.Rg8 Ke7–+). kamret (2195) – Ace_Of_Aces (2115), GameColony.com, 2005.

10.d3 ed3 11.Bd3 Nbd7 12.Nf3 (12.Be2 Ne5=) 12...Bd6+= 13.Nbd2 0–0 14.Qc2 (14.0–0 Ne5 15.Ne5 Be5=) 14...Qd8 (14...c5 15.c4=) 15.0–0= Qe7 16.Rd1 (16.Bb2 Ne5=) 16...Rd8 17.c4 dc4 18.Nc4 Bb4 19.Bb2 g6 (19...h6 20.Nd4+=) 20.Bf1 (20.Be2 Nd5+=) 20...Nd5 (20...h6 21.Qd3+=) 21.e4= N5f6 22.Nce5 Ne5 23.Rd8 Qd8 24.Ne5 Be6 25.Nd3 Bf8 26.Nc5 Bc8 27.f3 b5 28.Nb3 Bd7 29.Qf2 Be6 30.Nc5 Qd1?? 31.Ne6+– fe6 32.Bf6 b4 33.Bd4 b3 34.Bc3 Bg7? 35.e5+– Bf8 36.Qb6 Qd5 37.Bd4 Be7 38.Kh1 Kf7 39.Be2 c5 40.Bc3 Bg5 41.Qc7 Be7 42.Kg1 Qa8 43.Qd7 Qa3 44.Qd2 c4 45.Bc4 Qc5 46.Qd4 (46.Qd4 Qa3 47.Qf4 Kg7 48.Be6+–) 1–0. Vetter,Udo – Bonetti,Shane, TT–11 ETC, 2004.

10.d3 Bd6 11.de4= Ne4 12.Bd3 0–0 13.0–0 =.

10.d3 Bd6 11.de4= Ne4 12.Bd3 Qc7 13.Qc2 0–0 14.Be4 de4 15.Qe4 Nd7 16.Nd2 Nb6 17.h3 f5 18.Qd3 Qe7 19.0–0 Bb8 20.Rb1 White intends b5 20...Qd6+= 21.c4 Qh2=+ 22.Kf1 Qc7 23.c5 Nd5 24.b5 Rd8 25.bc6 bc6 26.N2f3 Ba7 27.Qa3 Bb8 28.Qb2 Nf6 29.Qb6 Bd7 30.Ne2 Qc8 31.Be5 Be5+/– 32.Ne5 Re8 33.Qa7 Qd8 34.f4 Bc8 35.Qf7 Kh8 36.Nd4 Qa5 37.Kg1 Qc3 38.Kh2 Qe3= 39.Rb3 (39...Qf4 40.Rg3=; < 39.Ndc6 Qf4 40.Kh1 Be6=). Woelfelschneider,Peter – Bonetti,Shane, TT–08 ETC, 2003.

10.d3 Bd6 11.de4 Ne4 12.Bd3 Qc7 13.Qc2 Nf6 14.Nd2 0–0 15.N2f3 Nbd7 16.0–0 b5 17.Nf5 Ne5 18.Nd6 Nf3 (18...Qd6? 19.Ne5 Qe5 20.c4+–) 19.gf3 Qd6 20.Kh1 Bh3 21.Rg1 Qe6 22.c4 bc4 23.Bh7 Kh8 24.Qb1 Rb8 25.Bc2 Ne8 26.Bd4 f6 27.Bc5 Nd6 28.Qd1 Kg8 29.Qd4 Rd8 30.Qf4 Bf5 31.e4 de4 32.Bd6 Rd6 33.fe4 Bh7 34.Rg3 Qd7 35.Ra3 Rd2 36.Qb8 Qd8 37.Qd8 Rd8 38.Rc3 Rd4 39.f3 Kf8 40.Ba4 Bg8 41.Bc6 Rd1 42.Kg2 Rb1 43.b5 Ke7 44.Rc2 Kd6 45.f4 Kc5 46.Kf3 Rb3 47.Kf2 Rh3 48.Kg2 Rd3 49.Rc1 c3 50.e5 Bb3 51.Be4 Re3 52.ef6 gf6 53.Bf3 c2 (worse is 53...Kb5 54.Kf2 Rd3 55.Be2+/–) 54.Kf2 Re6 55.f5 Rd6 56.Ke3? (better is 56.h4!?+=) 56...Kb5–+ 57.Be4 Rd1 58.Rc2 Bc2 59.Bc2 Rh1 60.Kd4 Rh2 61.Be4 Rd2 62.Kc3 Rd7 63.Bd3 Kc5 64.Bc4 Rg7 65.Be6 Rg3 66.Kd2 Kd4 67.Ke2 Ke4 68.Kf2 Rc3 69.Kg2 Kf4 70.Kf2 Rc2 71.Kf1 Ke3 72.Kg1 Kf3 73.Bb3 Rb2 74.Be6 Rd2 75.Bc8 Rg2 76.Kf1 Rc2 77.Bb7 Kf4 78.Ba6 Rc1 79.Ke2 Kf5 80.Kf3 Rc3 81.Ke2 Kf4 82.Kd2 Rb3 83.Bc4 Rf3 84.Bd5 f5 85.Ke2 Ra3 86.Kd2 Kg3 87.Kc2 Kf2 (87...f4 88.Kb2 Re3 89.Bc4–+) 88.Kd2 (88.Kb2 Ra5 89.Be6 f4–+) 88...f4 89.Kc2 Ke1 90.Kb2 Rd3 91.Be4 Kd2 92.Bd3 Kd3 0–1. Blitzmich – Janwitje, playchess.de, 2004.

10.d3 Bd6 11.de4 Ne4 12.Bd3 Nf6 13.Nd2 Nbd7 14.Nf5 Qc7 (14...Bf8 15.Nf3=) 15.Nd6 (better is 15.Ng7!? Kf8 16.Nf5+/–) 15...Qd6= 16.c4 Ne5 17.c5 (17.Qb3 dc4 18.Bc4 0–0=) 17...Qe6?? (better is 17...Nd3 18.Ke2 Nc5 19.bc5 Qc5 20.Bf6 gf6–/+) 18.Be2 0–0 19.Bc3 1–0. Korchut,Adam (2035) – Konieczny,Franz, IECG, 2004.

10.d3 Bg4 11.Qc2 c5 12.bc5 Bc5 13.de4 de4 14.Nd2 Bd4 15.cd4 =.

10.d3 Bg4 11.f3 ef3 12.gf3 =+.

10.Be2 Bd6 11.d3 0–0 12.Nd2 Qc7 13.de4 de4 14.Qc2 Re8 15.h3 Qe7 16.Bb2 b6 17.Nc4 Bc7 18.0–0 b5 19.Nd2 Qd6 20.f4 ef3 21.N2f3 Bh3 0–1. busele – lonewolf, playchess.de, 2001.

10.Be2 Nbd7 11.d3 ed3 12.Qd3 Ne5 13.Qc2 Bd6 14.Nd2 0–0 15.0–0 Bd7 16.N4f3 Nf3 17.Nf3 Ne4 18.Bd3 Re8 19.Rb1 Qd8 20.c4 Qe7 21.c5 Bb8 22.Bd4 Bg4 23.Ne1 Bh5 24.Ra1 Be5 25.Qb2 Bd4 26.Qd4 f5 27.Nc2 Qg5 28.b5 Nd2 29.Qb4 Nf3 30.Kh1 Nh4 31.Ne1 Qf6 32.Qd4 Qd4 33.ed4 f4 34.bc6 bc6 35.g3 Nf3 36.Nc2 Rb8 37.gf4 Rb3 38.Be2 Rb2 39.Bd3 ½–½. Boehnke,Hartmut (2095) – Fuhrwerk,Klaus (2345), BdF Pyramide, 2005.

7.Nf3 f6

8.e3 d5 9.Be2 Bd6 10.–0 Ne7 11.d3 0–0 12.Bb2 Be6 13.Qc2 Nd7 14.Nbd2 Ra8 15.Ra1 Ra1 ½–½. Pcmvr – BigL, Playchess.de, 2005.

8.e4 d5 9.ed5 cd5 10.d4 e4 11.Nfd2 f5 12.Be2 Nf6 13.b5 f4 14.0–0 Bd6 15.c4 f3 16.gf3 Qc7 17.fe4 Bh2 18.Kh1 de4 19.Bh5 Kd8 20.Bc3 Bh3 (20...Nh5 21.Qh5 Bf4 22.Ne4+–) 21.Re1 Qf4 (21...Nh5?? 22.Qh5 Bf4 23.Qh3+–) 22.Ne4?? (22.Ba5 Kc8 23.Qb3–/+) 22...Ne4–+ 23.Re4 Qe4 24.Bf3 Qh4 25.Kh2 Rf8 26.Kg1 Rf6 (26...Rf6 27.Qd3 Qg5 28.Bg4 Qg4 29.Qg3 Qd1 30.Kh2 Bc8–+) 0–1. Pcmvr – FortKnox, playchess.de, 2004.

8.e4 d5 9.ed5 cd5 10.d4 e4 11.Nfd2 f5 12.Be2 Nf6 13.b5 f4 14.0–0 Bd6 15.c4 f3 16.gf3 Qc7 17.Kh1 Bh2 18.fe4 de4 19.Bh5 Kd8 20.Bc3 Bh3 (20...Nh5 21.Qh5 Bf4 22.Ne4 Qc4 23.Ba5 b6 24.Bb6 Ke7 25.Rg1+–) 21.Re1 Qf4 (21...Nh5?? 22.Qh5 e3 23.Re3+–) 22.Ba5 Kc8 23.Qb3 Bd7 24.Nf1 Qf2 25.Qe3 (25.Nh2 Nh5 26.Re3–+) 25...Qe3 26.Re3 Bf4 (26...Nh5?! 27.Kh2 Nf6 28.Kg1–/+) 27.Be2 Be3 28.Ne3 h5 29.Nc3 Be6 30.c5 Nc6 (better is 30...Kd7!?–+) 31.bc6–/+ bc6 32.Ba6 Kb8 33.Nc2 Bc8 34.Bc4 h4 35.d5 cd5 36.Nd5 Be6 37.Nf6 Bc4 38.Nd7 Kb7 39.Nb4 (39.Ne5 Bb3 40.Ne3 Ra8 41.c6 Kc8–/+) 39...Bb5 (better is 39...Rc8!?–+) 40.c6–/+ Bc6 41.Nc5 Ka8 42.Nc6 Rc8 43.Ne4 Rc6 44.Kh2 Re6 ½–½. Pcmvr – FortKnox, Playchess.de, 2005.

7.g3 d5

8.Nf3 Bd6 9.c4 Qb4 10.cd5 Bf5 11.Ne5 Bb1 12.Nc6 Nc6 13.dc6 Nf6 14.Bf6 gf6 15.cb7 Qb7 16.f3 0–0 17.Bh3 Bc5 0–1. player27 – lonewolf, playchess.de, 2001.

8.Nf3 e4 9.Nd4 c5 10.bc5 Bc5 11.d3 Nf6 12.Bg2 0–0 13.de4 Ne4 14.Nd2 Nc3 (14...Re8 15.N2b3=+) 15.Bc3 Bd4 16.Bd4 Qd4 17.Nb3 (17.e3!? Qe5 18.0–0=+) 17...Be6?? (better is 17...Qb4 18.Nd2 d4–/+) 18.Nd4 (18...Nc6 19.Nb5+–) 1–0. Nissen,Hans_Henrik – Cijs,Peter, corr ICCF EM/C/A053, 1998.

6.c3 e6

7.e3 c5 8.bc5 Qc5 9.Nf3 Nf6 10.Be2 Be7 11.0–0 0–0 12.d4 Qc7 13.Nbd2 d5 14.c4 dc4 15.Nc4 Nd5 16.Qb3 Bd7 17.Nce5 Be8 18.h3 f6 19.Nd3 Bf7 (19...Bg6 20.Nh4 Be4 21.f3 Bd3 22.Bd3+= (22.Qd3? f5–+)) 20.Rb1 (20.e4 Nb6+/–) 20...b6 (20...Nc6!?+=) 21.e4 Nf4 22.Nf4 Qf4 23.Qb6 (better is 23.Bd3+/–) 23...Bd6?? (better is 23...Qe4 24.Qb5 Rc8=) 24.e5+– fe5 (24...Ba3 25.Qb3 Qe4 26.ef6 (26.Qa3?! Qb1 27.Kh2 Nc6=) 26...gf6 27.Re1+– (27.Qa3?! Qb1 28.Kh2 Nc6+=)) 25.de5 (better is 25.Qd6 Nc6 26.Qc6+–) 25...Be7 26.Qd4 Qh6 27.Rb7 Qc1 28.Qd1 Ba3 (28...Qd1 29.Bd1 Nc6 30.Rc7+–) 29.Bd4 (29.Qc1!? Bc1 30.Rc7 Bh6+–) 29...Rc8 30.Qc1 Rc1 31.Kh2 h6?? (better is 31...Rc8+–) 32.Rb8 Kh7 33.Rb3 Bf8 34.Rb8 Ba3 0–1. ourang – farmer1962rt, kurnik, 2013.

7.e3 f6 8.Nf3 d5 9.Be2 Ne7 10.0–0 Nd7 11.d3 Ng6 12.Nbd2 e5 13.Qc2 Bd6 14.Bb2 Ndf8 (14...0–0!?+=) 15.Ra1 Ne6 16.Nb3 (16.c4 Qd8 17.c5+=) 16...0–0= 17.d4 e4 18.Nfd2 Qc7 19.g3 b5 20.Qb1 Ng5 21.Qa2 Bb7 22.Na5 Ra8 23.Qb3 Nf3? (better is 23...f5=) 24.Nf3+– ef3 25.Bf3 f5 26.e4 f4?? (better is 26...fe4 27.Be4 Re8+/–) 27.ed5+– fg3 28.fg3 Rf8 (28...Bc8 29.dc6 Kh8 30.Kg2+–) 29.dc6 (better is 29.Nb7 Kh8 30.Nd6 Rf3+–) 29...Kh8 30.cb7 Rf3 31.Qd5 Rf6 32.Re1 (better is 32.Qb5 Bg3 33.Nc6 (worse is 33.hg3 Qg3 34.Kh1 Qh4 35.Kg1 Nf8 36.Qe2 Qg3 37.Qg2 Qe3 38.Kh1 Rh6 39.Qh2 Qf3 40.Kg1 Rg6 41.Qg3 Rg3 42.Kh2 Qg2) 33...Bh2 34.Kh1+–) 32...h6 (32...Ne7 33.Qb5 Bg3 34.b8Q Qb8 35.Qb8 Bb8 36.Re7+–) 33.Qc6 (better is 33.Re8 Rf8 34.b8Q Qb8 35.Rb8 Bb8 36.Qb5 Ne7+–) 33...Qf7 (33...Bg3 A) 34.hg3 Qg3 (34...Rc6?? 35.Re8 Kh7 36.b8Q Rc3 37.Bc3 Qc3 38.Qd6+–) 35.Qg2 Qe1 36.Kh2 Rf8–+; B) 34.b8Q Qb8 35.Re8 Kh7 36.Rb8 (36.hg3 Qg3 37.Qg2 Qd3–+) 36...Rc6 37.hg3+–) 34.Qe8 (better is 34.Qd6! Rd6 35.b8Q Kh7 36.Qd6+–) 34...Kh7 35.Qf7 Rf7 36.Re8 Rf8 (36...Re7 37.Rd8 Bc7 38.Nc6+–) 37.Rf8 Nf8 38.Nc6 Nd7 39.c4! bc4 40.b5 (40.d5 h5+–) 40...g5 (40...Kg6 41.Na5+–) 41.Ne5 Ne5 42.de5 Bc7 43.Ba3 (better is 43.Kf2 Kg7 44.Ke3 Kf7+–) 43...c3 44.e6 (44.e6 Kg6 45.Kf2+–) 1–0. ourang – janzydyk, kurnik, 2013.

7.e4 d5 8.e5 Bd7 (8...Ne7 9.d4=) 9.Nf3 Ne7 10.Be2 Ng6 11.0–0 Be7 12.d3 Nf4 13.Nbd2 c5 14.bc5 Bc5 15.d4 Be7 16.c4 Nc6 17.c5 Qb4 18.Nb1 Ne2 (18...b5 19.Nc3=) 19.Qe2 0–0 20.Bc3 Qb3 21.Qe3 Nb4? (better is 21...b5=) 22.Nbd2+/– Qc4?? (better is 22...Qa4 23.Bb4 Qb4+–) 23.Nc4+– (23…dc4 24.Bb4+–) 1–0. b4_player (1800) – Gnatman (1610), GameColony.com, 2002.

7.Nf3 f6 8.g3 c5 9.bc5 Bc5 10.d4 Be7 11.Bg2 d5 12.0–0 Bd7 13.Nbd2 Bb5 (better is 13...Nh6!?+/–) 14.Re1+– f5 15.Qb3 Qc6? (15...Qa6 16.Rb1 Be2 17.Qb7 Qb7 18.Rb7+=) 16.Bf1?? (better is 16.Ne5 Qa6 17.c4+–) 16...Ba4+= 17.Qb2 Qb5 (17...Nd7 18.Rb1+=) 18.Qb5 (better is 18.Qa2!? Qa5 19.Nb3+–) 18...Bb5+/– 19.Rb1 Bc6 20.Ne5 Bd7?? (better is 20...Nd7+=) 21.Rb7+– Nf6 (21...Bd6 22.c4 Bc8+–) 22.Rb8 Bd8 23.Nd7 (better is 23.Nb3 Ne4+–) 23...Nd7 (23...Kd7 24.c4+–) 24.Ra8 0–0 25.c4 Nb6 26.Ra6 Nc4 (26...dc4 27.e4 fe4 28.Nc4+–) 27.Nc4 dc4 28.e3 Re8 29.Bc4 Kh8 (29...Kf7 30.Ra8+–) 30.Be6 Bf6 31.Bf5 Rb8 32.Kg2 g6 (32...Kg8 33.e4+–) 33.Be4 (33.Rf6!? gf5 34.d5 Kg8+–) 33...Bg7 34.d5 (34.Bd5 g5+–) 34...Rd8 (34...Ba1 35.Ra1 Rb7 36.g4+–) 35.Bg7 Kg7 36.Ra7 (36.Ra7 Kg8 37.f4+–) 1–0. wk1234 – maneksmm13, kurnik, 2014.

7.Nf3 Nf6 8.e3 d5 9.d4 (9.Be2 Bd6=) 9...Bd6 10.Bd3 Nbd7 11.0–0 0–0 12.Nbd2 Qc7 13.h3 e5 14.de5 Ne5 15.Ne5 Be5 16.Nf3 (16.c4 Ba1 17.Qa1 dc4 18.Nc4 Rd8=) 16...Bd6 17.Qc2 h6 (17...Be6 18.c4 dc4 19.Bc4 Bc4 20.Qc4=) 18.c4 dc4 19.Bc4 Qe7 (19...Bb4 20.Bf6 gf6 21.Qg6 Kh8 22.Qh6 Kg8 23.Qg6 (23.Qf6?! b5 24.Bb5 cb5 25.Qg5 Kh7 26.Qh4 Kg8 27.Qb4 Qc4+–) 23...Kh8 24.Qf6 Kg8 25.Ng5+–) ½–½. Bothe,E – Bedbur,Heinz, corr SOK–90–57, 1990.

6.c3 Nf6

7.Qa4 Qa6 8.Qa6= Na6 9.e3 Nc7 (9...e5 10.Nf3 d6 11.d3=+) 10.c4 b6 (10...b5 11.Be5 d6 12.Bf6 ef6 13.cb5 cb5 14.Nc3=) 11.b5 (11.Nf3 d6+=) 11...g6 (11...cb5 12.cb5 Bb7 13.Nf3=) 12.Nc3 (12.Be5 Kd8+/–) 12...cb5 (12...Bg7 13.Ne4+=) 13.cb5 (13.Nb5 Nb5 14.cb5 Kd8+=) 13...Bg7 (13...Bb7 14.f3+=) 14.Na4+/– Bb7 15.Nf3 (< 15.Nb6 Nb5 16.Nd7 Kd7 17.Bb5 Kd6=) 15...Na8 16.Bc4 (16.Bd4!?+/–) 16...0–0= 17.d3 (17.Ke2 Rc8 18.Bb3 h6=) 17...d5 (17...Bf3 18.gf3 Rc8 19.Ke2=) 18.Bb3+= e6 (18...Rc8 19.Ke2+=) 19.Kd2 (19.Ke2 Rc8+=) 19...Rc8 20.h3 (20.Bd4 Nd7+=) 20...Nd7 21.Bg7 Kg7 22.d4 Nc7 23.Nc3 Ra8 24.Rc1 Kf8 (24...f6 25.Ba4+=) 25.g3 Ke7 26.Ne5 Ne5 27.de5 Rc8 28.Bd1 Na8 29.Be2 Kd8 30.f4 Rc7 31.Na4 Rc1+= 32.Kc1 Bc8 33.Kd2 Bd7 34.Kc3 Kc8 35.Kd4+/– Kd8 36.e4 de4 37.Ke4 Nc7 38.Nb6 Bb5+= 39.Bd1 Ne8 40.g4 Ng7 41.g5 Nf5= 42.Na4 Bc6 43.Kd3 Bb5 44.Kd2+= Nh4 45.Ke3 Ng2 46.Kf3 Bc6 47.Kg3 Ne3 48.Nc3 Nd1 49.Nd1+/– Ke7 50.Nf2 Kf8 51.Ng4 Kg8 52.Kf2 Bb5 53.h4 Bc6 54.Ke3 Bb5 55.Kd4 Be2 56.Nf6 Kg7 57.Kc5 h6 58.Ne8 Kg8? 59.gh6+– Kh7 60.Kd6 Kh6 61.Nf6 Kg7 62.Ke7 Bb5 63.Ne4 Bd3 64.Nd6 Kh6 65.Kf7 Kh5 66.Ke6 Kh4 67.Kf6 Kg4 68.e6 Bc2 69.e7 Ba4 70.Ke5 Bd7 71.e8Q Be8 72.Ne8 Kh5 73.Ng7 Kh6 74.Ne6 (74...Kh5 75.Kf6+–) 1–0. Kallen – Roll, Lugano, 1978.

7.Qa4 Na6 8.Nf3= g6 (8...d6 9.Qa5 Qa5 10.ba5=+) 9.e3 Bg7 10.Be2 0–0 (10...d5 11.Qa5 Qa5 12.ba5=+) 11.0–0 (11.Qa5 Qa7=) 11...d6 (11...d5 12.Qa5 Qc7 13.Qc7 Nc7 14.d4=) 12.Na3 (12.d4 Bf5=) 12...Bg4 13.Nc4 (13.Qa5 Qa5 14.ba5 Ra8=+) 13...Qc7 14.Rb1 (14.Qa5 Ne4=) 14...d5 (14...Bf3 15.Bf3 d5 16.Nb2=) 15.Nce5 Bf3 (15...Bf5 16.d3=) 16.Nf3 Nb8 (16...Ra8 17.b5 cb5 18.Qb5=) 17.Qa5 (17.b5 Nbd7+=) 17...b6= 18.Qa2 (18.Qa4 e5=) 18...b5 (18...e5 19.d3=) 19.Rb3 (19.d3 e5+=) 19...Nbd7 (19...e5 20.Ra3=) 20.Ra3 Nb6 (20...e5 21.Ra7 Qd6 22.Qa6=) 21.Ra7 (21.d3 Rd8+=) 21...Qd6 22.Qa6 Nfd7= 23.d4 e6 24.Nd2 e5= 25.Rb7 Ra8 26.Ra7 Re8 27.Rb7 ed4–/+ 28.Rb6 de3 29.Nf3?? ef2 30.Kf2 Nb6 31.Qb6 Qe6 32.Ng1 d4! (33.g4 dc3–+) 0–1. Neviasky,A – De Coverly,RD, London Lge, 1973.

7.Qa4 e5 8.Nf3 e4 9.Nd4 =+.

7.Qb3 d6 8.e3 g6 (8...e5 9.d4+=) 9.c4 Bg7 10.Be2 0–0 11.Nf3 Na6 12.b5 Nc5 13.Qd1 cb5 14.cb5 Bd7 15.Na3 Ra8 16.Nc4 (16.Bb2!?+=) 16...Qb5–/+ 17.0–0 Qb3 (17...Qa4–/+) 18.Nd4? (better is 18.Qb3 Nb3 19.Bf6 Bf6 20.Nb6+=) 18...Qd1–+ 19.Rd1 (19.Bd1?? Ra1 20.Nb6 Ra2–+) 19...Ba4 20.Rb1 Nfd7 21.Nb2 (better is 21.Na3–+) 21...Bd4 22.ed4 Bc2 23.Rc1 Nb3 24.Rc2 Ra1 (24...Na1?! 25.Rc7 Nf6 26.Rb7+=) 25.Bf1 Nd4 26.Rc8 Kg7 27.f3 Nc5 28.Kf2 Ra2 29.Nc4 b5 30.Ne5 Rd2 31.Ke3 Rd1 32.Bd3 Ndb3 33.Be2 Rg1 34.Bb5 de5 (34...de5 35.Kf2 Rc1–+) 0–1. Galopin,Clement – Suter,S (2025), Lenk Open Lenk SUI, 2011.

7.d3 d5 8.Nf3 =+.

7.d3 d6 8.Nf3 e5 9.Nbd2 Be7 10.e4 0–0 11.Be2 Be6 12.0–0 Na6 13.d4 Nd7 14.Nc4 (14.b5 Nc7 15.bc6 bc6= (< 15...Qc6 16.d5 Nd5 17.ed5 Qd5 18.c4+/–)) 14...Qc7= 15.Bb2 Nab8 (15...f5 16.ef5 Rf5 17.Ne3+=) 16.Ne3+= ed4 17.Nd4 Nf6 18.Bd3 b5 19.Nef5 Bc4 (19...Kh8!?+=) 20.Ne7 Qe7 21.Nf5 Qe6 22.Bc4 bc4 (22...Qc4 23.Qd6 Re8 24.Qg3+–) 23.Qd6+– (23.Nd6?! Rd8 24.e5 Ng4+=) 23...Re8 24.f3 Nbd7 25.Qe6 (25.Bc1 g6 26.Qe6 Re6+–) 25...Re6 26.Nd4 Rd6 27.Ra1 h6 28.Ra8 Kh7 29.Rd8 Nh5 30.Ba3 Nf4 (30...c5 31.bc5 Ra6 32.Rd7 Ra3 33.c6+– (< 33.Rf7 Kg6 34.Rf8 Rc3+–)) 31.b5 c5 32.Bc5! Ne6 (32...Nc5 A pinning theme 33.Rd6) 33.Ne6 (< 33.Bd6 Nd8 34.Bc7 Ne6 35.Ne6 fe6+–) 33...Rd1 34.Kf2 fe6 35.b6 Rd2 36.Ke1 Rg2 37.Rd7 Rh2 (37...Rb2 38.Bd4 h5 39.b7+–) 38.b7 (38...Rb2 39.Bd6+–) 1–0. Kiwi Crusher – Kiwi Challenger, ChessWorld.net, 2002.

7.d3 g6 8.Nf3 Bg7 9.e3 0–0 10.Be2 d5 11.0–0 Nbd7 12.Nbd2 e5 13.h3 (13.c4 Qc7=) 13...Re8 14.Nh2 (14.Qc2 Qc7=) 14...c5 15.bc5 Nc5 16.d4 ed4 17.cd4 Ne6 (17...Nce4 18.Ne4 Ne4 19.Qa4=) 18.Nhf3+= Bd7 19.Ne5 Bb5? (19...Rc8 20.Nd7 Nd7 21.Qa4+=) 20.Bb5?? (better is 20.Qb3 Nc7 21.Rb1+–) 20...Qb5= 21.Qb1 Qe2 22.Ndf3 Qa6 23.Qc2 Ne4= 24.Bb2 Nd6 25.Ra1 Qb6 26.Ba3 Rc8 27.Qd1 Nc4= 28.Rc1 Qa6 29.Be7 Rc7 30.Bh4 b5 31.Ra1 Qc8 32.Bg3 Rb7 33.Ra6 b4 34.Qa1 b3?? 35.Ra8+– Rb8 36.Rb8 Qb8 37.Nc4 Qb4 38.Nb2 h6 39.Qe1 Qa3 40.Qc3 Bf6 41.Nd2 Kg7 42.Qb3 Qa1 43.Kh2 Qe1 44.Qd1 (44...Qd1 45.Nd1+–) 1–0. marnzell – kehrsam, ChessWorld.net, 2006.

7.d4 d5 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.d4).

7.e3 e6 8.Nf3 Be7 9.Be2 0–0 10.0–0 d5 11.d4 Nbd7 12.Nbd2 Re8 13.Qa4 Nf8 14.Bb2 Bd7 15.Ra1 Ng6 16.Qa5 Qa5 17.Ra5 Rb8 18.Ra7 Bd8 19.Nb3 Bb6 20.Ra1 Ne4 21.Nc5 Nc5 22.bc5 Bc7 23.Ra7 Bc8 24.Ba3 e5 25.Bb4 e4 26.Nd2 f5 27.Ba5 Ba5 28.Ra5 b5 29.Nb3 Ne7 30.Ra7 Rb7 31.Rb7 Bb7 32.Na5 Ba8 33.f3 Kf7 34.fe4 fe4 35.Kf2 Kf6 36.Bg4 g5 37.Bd7 h6 38.g4 Kg7 39.Kg3 Kf6 40.h4 Kg7 41.hg5 hg5 42.Kf2 Kf6 43.Ke2 Kg7 44.Kd2 Kf6 45.Kc2 Kg7 46.Kb3 Kf6 47.Kb4 Kg7 48.Be8 Kf8= 49.Bd7 Kg7 50.Bf5?? Kf6?? 51.Bd7= Kg7 ½–½. Fournier,Frederic (1870) – wojtunio (2075), Active (6/1) ajedrez21.com, 2004.

7.Nf3 Qc7 8.d3 d5 9.Nbd2 e5 10.e3 Be7 11.c4 e4 12.Bf6 gf6 13.de4 de4 14.Ne4 Bb4 15.Ned2 Rg8 16.Qc2 Qa5 17.Qh7 Kf8 18.Qc2 Bf5 19.e4 Bg4 20.Be2 Bf3 21.Bf3 Qa1 22.Bd1 Qd4 23.Bf3 Na6 24.Ke2 Bc5 25.Nb3 Qf2 26.Kd1 Qe3 27.Re1 Qf4 28.Qd2 Qe5 29.Qd7 Rg6 (worse is 29...Qh2 30.e5 fe5 31.Nc5 (31.Qb7?! Bb4 32.Re2 Qh7 33.Qa6 Qd3 34.Nd2 Rh8 35.Qc8 Kg7 36.Qg4 Kf8 37.Qc8 Kg7 38.Qg4 Kf8 39.Qc8=) 31...Nc5 32.Qd6 Kg7 33.Qc5+–) 30.Qd3 (30.Qb7 Qc3 31.Re2= (31.Qa6 Qb3 32.Kc1 Qc3 33.Kd1 Qd3 34.Kc1 Ba3 35.Qa3 Qa3 36.Kd2 Qd6 37.Kc2 Qh2–+; 31.Nc5 Nc5 32.Qb1 Nb3+=)) 30...Bb4–/+ 31.Re2 Qh2 32.Qd8 Kg7 33.Kc2 c5 34.e5 fe5 35.Qe7 Ba3 36.Bb7 Nb4 37.Kd1 Rf6 (better is 37...Nd3 38.Be4 Nb2 39.Rb2 Bb2 40.Bg6 Kg6 41.Qd6 Kg7–/+) 38.Qe5= Qe5 39.Re5 Nd3 40.Rg5 Kh6 41.Rg3 Nb2 42.Kc2 Rf2 43.Nd2 Nc4 44.Kd3 Ne5 45.Ke3 Rf6 46.Ne4 Rb6 47.Bd5 Bc1 48.Ke2 f5 49.Rc3 Rb2 50.Kd1 Bg5 51.Ng5 Kg5 52.Rc5 Kf4 ½–½. pvanr (2250) – forsetinn (2335), gameknot.com, 2015.

7.Nf3 d6 8.e3 e5 9.Be2 Be7 10.0–0 0–0 11.Na3 (11.d3 Be6=) 11...Nbd7+= 12.Nc2 (12.Bb2 d5+=) 12...Qc7 13.d3 d5 14.Bb2 e4 (14...Rd8 15.h3+=) 15.de4 Ne4 16.Ncd4 (16.Nd2 Ndf6+=) 16...Nb6 (16...Ndf6 17.h3+=) 17.h3 (17.Nd2 Nd2 18.Qd2 Bd7=) 17...h6 (17...Bd7 18.Nd2=) 18.Bd3 (18.Qc2 Re8=) 18...Nc4 19.Qc2 (19.Bc4 dc4 20.Qe2 b5=) 19...Nb2 (19...b5 20.Rd1+=) 20.Qb2= Qd6 21.Ra1 Bd8 (21...Bd7 22.Be4 de4 23.Nd2=) 22.Be4 (22.Qc2 Re8=) 22...de4+= 23.Nh2 (23.Nd2 Bc7 24.g3 Qg6+=) 23...Bc7 24.Nf1 Qg6 25.Kh1 f5 (25...Re8 26.Qc1+=) 26.f4 (better is 26.Nd2!?=) 26...ef3!–/+ 27.Nf3 (27.Nf3 Be6 Combination; 27.gf3 Qh5 Decoy) 27...f4 28.ef4 Bf4 29.Ra8 (29.Nd4 Be5–/+) 29...Be6 (29...Qd3 30.Qa1–/+) 30.Rf8 Kf8 31.Qe2 b5 (31...Kg8 32.Ne5 Qf6 33.Nd3–/+) 32.Nd4 (32.Ne5 Qb1 33.Qf2 g5 34.Nc6 Kg7+=) 32...Bd5–/+ 33.Nh2 (33.Kg1 h5–/+) 33...Qb1 (33...Kg8 34.Nf1–/+) 34.Qf1 Qb2?? (better is 34...Qc1–/+) 35.Qf4+– Kg8 36.Nhf3 Qc3 37.Qd2 (37.Qd6!? Qb2+–) 37...Qd2 38.Nd2 Kf7 39.N2f3 (39.Kg1 Ke7+–) 39...Kf6 (39...Ke7 40.Kg1+–) 40.Kh2 1–0. chessNstocks – Hovla1, ChessWorld.net, 2015.

7.g3 d5 8.Nf3 Bf5 9.d3 e6 10.Bg2 Be7 11.0–0 0–0 12.Nbd2 Nbd7 13.Nh4 Bg4 14.h3 Bh5 15.g4 Bg6 16.Qa4 Qc7 17.Ng6 hg6 18.Bb2 g5 19.Ra1 Ne5 20.Qa5 b6 21.Qa7 Qd8 22.Qb7 Bd6 23.d4 Neg4 24.hg4 Ng4 25.Qc6 Bh2 26.Kf1 Bg3 27.fg3 1–0. Leyen – Coccomo, email 4AMM–07 1997.

7.e3 Qa7

8.Bb2 Qa2 9.Qc1 d5 10.Nf3 e6 11.Bd3 Bd6 12.0–0 0–0 13.Na3 Nbd7 14.Bb1 Qb3 15.Nd4 Qa4 16.f4 Ng4 17.h3 Ngf6 18.g4 Qa6 19.g5 Ne4 20.Kg2 c5 21.bc5 Ndc5 22.Nab5 Nb3 23.Nb3 Qb5 24.Nd4 Qa6 25.Be4 de4 26.Qc2 Qd3 27.Qd3 ed3 28.Ra1 Bd7 29.Ra7 Rb8 30.h4 Bc6 31.Kf2 Bc7 32.Nc6 bc6 33.Rc7 f5 34.Ba3 Ra8 35.Bc5 Ra2 36.h5 Rd2 37.Kf3 e5 38.fe5 Rb2 39.Rc6 d2 40.e6 d1Q 41.Kf4 Qa4 42.Kf5 Qc6 43.Bd4 Qd5 0–1. orangutandu – alpet, kurnik, 2012.

8.Bb2 Qa2 9.Qc2 d6 10.Nf3 Nbd7 11.c4 c5 12.Nc3 Qa8 13.bc5 Nc5 14.d4 Na6 15.Qb3 Bf5 16.c5! dc5 17.Ne5 cd4 18.Bb5 Nd7 19.Qf7 Kd8 20.Qf5 Ne5 21.Qe5 dc3 22.Bc3 Nb8 23.Qd5 Kc7 24.Be5 Kb6 25.Bd4 Kc7 26.Qe5 Kc8 27.Qe6 Nd7 28.Qd7 Kb8 29.Qd8# 1–0. orane – Victoria, caissa.com, 2007.

8.Bb2= d6 9.Nf3 Nbd7 10.Be2 Qa2 11.Ba3 Ne4 12.0–0 g6 13.Nd4 White prepares the advance b5 13...Bh6 14.b5 Ne5 15.bc6+/– bc6 16.Qa4 Nd2 17.Nc6 Qb3? 18.Qb3 Nb3+/– 19.Ne5 de5 20.Bb5 Bd7+= 21.Bd7 Kd7= 22.Rd1 Ke6 23.Bb4 Rc8 24.Nd2 Nd2=+ 25.Rd2 f6 26.Ra2 Rd8 27.g3 Rd1 28.Kg2 Rc1 29.Ra6 Kf7+= Black gets the initiative 30.Rc6 Rc2= 31.Kf3 f5 32.Rc7?? e4–/+ 33.Kg2 Be3 34.Re7 Kg8 35.Re8 Kg7 36.Re7 Kh6 37.Kh3 Bf2 38.Re8? Bg1 Threatening mate... how? 39.Bf8 Kh5 40.Bg7 Rh2# 0–1. ATUK – EmilyRose, Live Game Caissa's Web, 2005.

8.Bb2= e5 9.c4 =.

7.e3 d5

8.d4 Bf5 9.Nf3 =.

8.d4 g6 9.Bd3 Bg7 10.Nf3 0–0 11.0–0 Bg4 12.h3 (12.Nbd2 Na6=) 12...Bf3 13.Qf3 Nbd7 14.Qf4 Ra8 15.Bb2 Ra2 16.Bc1 e6 17.Nd2 Ne8 18.Nf3 f5 19.Qh4 (19.Rd1 Qc7=) ½–½. Woschkat,Karl_Heinz – Muramoto,Keith, Telecomm, 1995.

8.Be2 g6 9.Nf3 Bg7 10.Na3 0–0 11.Nc2 Nbd7 12.0–0 e5 13.c4 e4 14.Ne5 Re8 15.Nd7 Bd7 16.Bd4 Qc7 17.Qa1 Ng4 18.Bg4 Bd4 19.Nd4 Bg4 20.cd5 cd5 21.Rc1 Qb6 22.Qa4 Rd8 23.h3 Bd7 24.Qa5 Qa5 25.ba5 Ra8 26.Rc7 Bc6 27.Nc6 bc6 28.Rc6 Ra5 29.Kf1 Kf8 30.Rc7 Kg7 31.g3 Kf6 32.Ke2 h5 33.h4 Ra2 34.Rb7 Ke6 35.Rb6 Ke5 36.Rb7 f6 37.Re7 Kf5 38.Rd7 Ra5 39.f3 g5 40.hg5 fg5 41.fe4 de4 42.Kf2 Kg4 43.Rd4 Re5 44.Kg2 Kf5 45.Rd8 Ra5 46.Kf2 Ra4 47.Kg2 Kg4 48.Rd7 Kf5 (48...Rb4 49.Rd6–/+) 49.Rd8=+ Ra2 50.Rd5 Kg4 51.Rd4 Kf5 ½–½. Hoelldorfer,August (2870) – Stoeckl,Stephan (1965), Afro op Augsburg, 1998.

8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.e3).

8.Nf3 Bf5 9.d3 (---> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Bf5 8.d3 Nf6 9.e3).

8.f4 Bf5 9.Na3 e6 10.Nf3 h6 11.Be2 Bd6 12.Nd4 Bh7 13.0–0 0–0 14.Nac2 Nbd7 15.Qe1 Ra8 16.Qh4 (16.d3!?+=) 16...Ra2–/+ 17.d3 (17.Rc1!?–/+) 17...Qa6–+ 18.b5 (18.Rd1 Qa4–+) 18...Qa4 (18...cb5 19.Qe1 e5 20.fe5 Ne5 21.Qd1–/+) 19.bc6 bc6 20.Bd1 (20.f5 Rc2 21.fe6 fe6 22.Qh3–+) 20...Bd3 (20...Ra1?! 21.Na1 Qa1 22.Be2 Qc3 23.Qe1 Qe1 24.Re1–+) 21.Re1 Bc2 (21...Qa6 22.e4 Bc2 23.Bc2 de4 24.Bb2 Rb2 25.Be4 Ne4 26.Re4–+) 22.Nc2 Ra1 23.Na1 Qa1 24.Bf3 (24.c4 Bb4 25.Rf1 Qa3 26.cd5 Qe3 27.Kh1 cd5–+) 24...Qc3 25.Qf2 Nc5 26.Qe2 Nce4 27.g3 Bc5 28.Kg2 (28.Be4 de4 29.Rd1 Nd5–+) 28...Nd2 29.Rd1 Be3 0–1. Kirpichenko,Ekaterina (1970) – Golovlev,Nikolay (2280), Rodatychi op, 2006.

7.e3 d6

8.Qa4 g6 9.Be2 Bg7 10.Nf3 0–0 11.0–0 Bg4 12.h3 Bd7 13.Qa3 Na6 14.d4 Ra8 15.Nbd2 Nc7 16.Qb3 Be6 17.c4 Na6 18.Bc3 Rc8 19.Ra1 Qc7 20.Qb2 Qb8 21.Ra3 Nc7 22.Qa1 b5 23.Ng5 Bf5 24.e4 Bd7 25.e5 Nfe8 26.f4 Ne6 27.Ne6 Be6 28.g4 Qb6 29.c5 Qb8 30.Ne4 de5 31.de5 Nc7 32.Be1 Nd5 33.Bd2 Bh6 34.g5 Bg7 35.Bg4 Bg4 36.hg4 e6 37.Nd6 Rf8 38.Ra6 Qc7 39.Kg2 Bh8 40.Ra8 Bg7 41.Ra3 h6 42.gh6 Bh6 43.g5 Bg7 44.Qh1 Rd8 45.Qh3 Qe7 46.Ra1 Rb8 47.Ra6 Qc7 48.Qa3 Rf8 49.Ra7 Qb8 50.Qa6 Bh8 51.Kg3 Bg7 52.Qa5 Bh8 53.Nf7 Rf7 54.Ra8 1–0. Holz auf der Heide – Ebeling, Leipzig 1999.

8.Nf3 Bf5 9.Be2 Qa7 10.Nd4 Be4 11.f3 Bg6 12.Nb3 e5 13.c4 Be7 14.d4 0–0 15.Bd3 d5 16.Bg6 hg6 (better is 16...dc4!? 17.Bc3 cb3–/+) 17.c5= ed4 18.ed4 Na6 19.Bc3 Nc7 20.N1d2 Nb5 21.Qa1 Re8 22.Qa7? (better is 22.0–0=) 22…Bc5–/+ (22...Bc5 23.Kd1 Ba7–+ (23...Na7? 24.dc5 Nb5 25.Bb2+–; 23...Nc3?! 24.Kc2 Ba7 25.Kc3–/+); 22...Na7?! 23.Kd1=) 0–1. Feng,Jason – Trevis,Robert, RF–2008–0–00006, 2008.

7.e3 e5

8.Qa4 d5–/+ 9.Nf3 Bd6 10.c4 dc4 11.Be5 Be5 12.Ne5 Na6? (12...Qc7 13.Nc4 b5 14.Qa5 Qa5 15.Na5= (worse is 15.ba5 bc4 16.Bc4 Ke7+=)) 13.Nc4?? (better is 13.Bc4 0–0 14.Ba6 ba6 15.0–0+/– (15.Nc6? Bd7–+)) 13...Qb4+= 14.Qb4 Nb4 15.Nd6 Ke7 16.Nc8 Rc8 17.Nc3 b5 18.d4 (18.g3 Nbd5 19.Bg2 Nc3 20.dc3 Kd6+=) 18...Ra8 19.Be2? (better is 19.Kd2+=) 19...Ra1–+ 20.Bd1 Nbd5 (20...Nd3!? 21.Ke2 Nb2 22.g4–+) 21.Kd2–/+ b4 22.Ne2?? (better is 22.Nd5 Nd5 23.Re1 Ra2 24.Kd3 Rf2 25.e4–/+) 22...Ne4–+ 23.Kc2 Nf2 24.Rf1 (24.Kb2 Rd1 25.Rd1 Nd1 26.Kb3 N1e3 27.g3–+) 24...Ne3 (24...Ne3 25.Kb2 Ra3–+) 0–1. jeglin – bortak11, kurnik, 2014.

8.c4 d6 9.b5 Bf5 10.Nf3 Qa5 11.Nc3 Nbd7 12.Na4 (12.Be2 Be7=) 12...Be7 13.Bc3 Qa7 14.d4 Ne4 15.Bd3 Nc3 16.Nc3 Qa5 (16...Bg4 17.bc6 bc6 18.0–0=) 17.Bf5 (17.0–0 Bg4 18.Qa1 Qc7=) 17...Qc3= 18.Nd2 ed4 19.bc6 bc6 20.Qa4? (better is 20.ed4!? Qd4 21.0–0–/+) 20...de3–+ 21.Qa8 (21.fe3 Qe3 22.Kd1 Ne5–+) 21...Bd8 22.fe3 Qc1 23.Ke2 Qh1 24.Qc6 0–0 25.Bd7 Qh2 26.Ne4 (26.Qf3 Ba5–+) 26...Qg2 27.Kd3 (27.Nf2 Qh2 28.Bh3–+) 27...Qf1 28.Kd2 (28.Kc2 Qe2 29.Nd2 Ba5–+) 28…Ba5 (28...Ba5 29.Nc3 Rb8–+) 0–1. Osmak,Yulia – Vdovichenko,Vladislav (2180), Kiev Independence Cup–B 9th, 2009.

8.d4 ed4 9.ed4 Be7 10.Bd3 0–0 11.Ne2 d5 12.0–0 Re8 13.Re1 Bd6 14.Ng3 Re1 15.Qe1 Qc7 16.Nd2 b6 17.b5 cb5 18.Bb5 Ba6 19.Ba6 Na6 20.Bb2 Nb8 21.Ngf1 b5 22.Nf3 Nc6 23.Ne3 Na5 24.Nf5 Bf8 25.Qe5 Qa7 26.Bc1 Ne4 27.Qd5 Nc3 28.Qe5 Nc6 29.Qe1 b4 30.Bd2 Qd7 31.Ne5 Ne5 32.Qe5 f6 33.Qa5 Qa4 34.Qa4 Na4 35.Ne3 b3 36.Nc4 b2 37.Nb2 Nb2 38.f4 Nc4 39.Bc1 Kf7 40.Kf2 Ke6 41.Ke2 Kd5 42.Kd3 f5 43.h3 h5 44.g3 Bb4 45.Be3 Be1 46.g4 Ne3 47.Ke3 fg4 48.hg4 hg4 49.Ke2 Bh4 50.Ke3 g6 51.Ke2 Ke4 52.f5 gf5 53.d5 g3 54.Kf1 f4 55.d6 f3 56.d7 g2 57.Kg1 Ke3 58.Kh2 Bf2 59.Kh3 g1Q 60.d8Q Qg3# 0–1. marus1 – JesusGM, internet, 2001.

8.Nf3 d6 9.Bc4 Be7 10.Qb3 0–0 11.0–0 d5 12.Be2 e4 13.Nd4 White plans b5 13...c5 (13...Bg4 14.Bg4 Ng4–/+) 14.Nc2 (better is 14.bc5!? Bc5 15.Qb6 Bb6 16.c4=) 14...Be6 15.c4 Nc6 (15...Nbd7 16.Bc3–/+) 16.b5?? (better is 16.Bf6 dc4 17.Bc4 Bc4 18.Qc4 gf6 19.b5+=) 16...Na5 17.Qa4 Nc4 18.Bf6 Bf6 19.Bc4 dc4 20.Nc3 Bc3 21.dc3 h6 (better is 21...Qd8!?–+) 22.Na3+= Bd7 b5 becomes a target 23.Rd1 Bg4 24.Rd5 Qg6 25.Qc4? (25.Nb1 Be2 26.Qa2 Bf3–+) 25...Bf3?? (better is 25...Be6!? 26.h3–+) 26.g3 (26.Qf1 Ra8 27.Nb1 Ra1–+) 26...Qg4 (26...Qe6 27.Nc2 (27.Qc5 Qh3 28.Qf8 Kf8 29.Rd8 Ke7 30.Re8 Ke8 31.Nc4 Qg2; 27.Rc5?? Rd8 28.Rc8 Rc8 29.Qe6 fe6–+) 27...Be2 28.Qa2–+ (28.Qc5 Qh3 29.Rd1 Bd1–+)) 27.Nc2 (27.Qc5?? Qh3 28.Qf8 Kf8 29.Rd8 Ke7 30.Re8 Ke8 31.Nc4 Qg2) 27...Be2 28.Qc5?? (better is 28.Qa4–/+) 28...Qh3–+ 29.Rd1 Bd1 30.Ne1 Be2 31.Ng2 Rd8 32.Qd4–+ Rd4 33.ed4 Bb5 0–1. olawoj – 0ook2, kurnik, 2014.

7.e3 g6

8.d4 Bg7 9.Nd2 d5 10.Bd3 (10.Ngf3 0–0=) 10...0–0 11.Ne2 Nbd7 12.0–0 e5 13.Qb3 (13.Ng3 Re8=+) 13...Qc7 (13...e4 14.Bc2=+) 14.Ng3 (14.c4 e4 15.Bc2 b5 16.cd5 cd5=) 14...e4 15.Be2 h5 (15...b5 16.f3 Bh6 17.f4=+) 16.c4 h4 17.Nh1 Re8 (17...h3 18.f3=) 18.f4 (18.Qc2 h3=) 18...ef3 (18...h3 19.Nf2 hg2 20.Kg2=) 19.Bf3 (< 19.Nf3 Ng4 20.cd5 Ne3 21.dc6 bc6=+ (< 21...Nf1 22.cd7 Bd7 23.Bf1+/–; 21...Qc6?! 22.b5 Qd5 23.Qd5 Nd5 24.Bc4=); 19.gf3?! b6=; 19.Rf3?! b5 20.cb5 cb5=) 19...Bh6 20.Re1 Qd6 (20...Bf4 21.h3=+) 21.Nf2= Bf4 22.h3 b5 23.cd5 cd5 24.Qd3 Bh2=+ 25.Kf1 Qb4 26.Bc3 Qd6 27.Rb1 b4 28.Bb4 Ba6 29.Bd6= Bd3 30.Nd3 Bd6 31.Ke2 Ne4 32.Be4 de4 33.Nf2 f5 34.Nc4 Bg3 35.Nh1 Bh2 36.Nf2 Rc8 37.Nd2 Rc2 38.Nd1 Nf6 39.Rb2 Rc1 40.Rb1 Rc2 41.Rb2 Rc6 42.Nb3 Rc4 43.Nd2 Rc7 44.Rb5 Kf7 45.Nb1 Rc2 46.Nd2 Nh5 47.Rb2 Rc7 48.Nb1 Ng3 49.Kf2 Rc1 50.Nbc3 g5 51.Ke1 f4 52.Kd2 Ra1 53.Ra2 Ra2=+ 54.Na2 Bg1 55.Nac3=+ f3 56.gf3= ef3 57.Ke1 g4! 58.hg4 h3 59.Nf2 Bf2 60.Kf2 h2 61.Kf3 h1Q 62.Kg3 Qe1 63.Kf3 Qc3 64.Kf4 Qd3 (65.g5 Ke6–+) 0–1. Klein,Sabine – Kalinski,Frank, Bad Zwesten op 1st, 1997.

8.Nf3 d5 =.

8.Nf3 Bg7 9.d4 0–0 10.Be2 d6 11.0–0 Nbd7 12.Nbd2 c5 13.b5 e6 14.c4 d5 15.Qb3 Ne4 16.dc5 Ndc5 17.Qc2 Ba1 18.Ra1 dc4?? (better is 18...Nd2 19.Nd2 dc4 20.Bc4 Bd7+=) 19.Ne4+– Ne4 20.Qe4 1–0. mihai740609 – jerzyt, kurnik, 2011.

8.Nf3 Bg7 9.Be2 0–0 10.0–0 d5 11.Qb3 Be6 12.d3 d4 13.c4 de3 14.fe3? (better is 14.Bd4 ef2 15.Bf2–/+) 14...Qe3–+ 15.Rf2?? (15.Kh1 Rd8 (15...Qe2?! 16.Re1 Qe1 17.Ne1=) 16.Nc3 Ng4–+) 15...Qc1 (better is 15...Ng4 16.Nbd2 Qf2 17.Kh1 Qe2–+) 16.Qd1 Qe3 (better is 16...Qd1!? 17.Bd1 Rd8–+) 17.Bd4 (17.Qb3 Ng4 18.Qd1 Nf2 19.Qf1 Nd3 20.Kh1 Nf2 21.Kg1 Ne4 22.Kh1 Ba1 23.Nh4–+) 17...Qf4 18.Be5 Qe3 19.Bd4 Qf4 20.Qd2 (better is 20.Be5!? Qh6 21.Qd2 Qd2 22.Nbd2–/+) 20...Qd2–/+ 21.Nbd2 Ng4 22.Bg7 Kg7 23.Rf1 Ne3 24.Ra1 Nd7 (24...Na6!?–/+) 25.Nd4+= Bg4 26.Bg4 Ng4 27.Ra7 Rb8 28.Ne4 Nde5 29.Nc5 e6?? (better is 29...b6!? 30.Nd7 Nd7 31.Rd7 Ra8–/+) 30.Rb7 Rb7 (30...Ra8!? 31.Kf1 Ra2+=) 31.Nb7+= Nd3 32.Nc6 Nge5 33.c5?? (33.Ne5 Ne5 34.c5 Kf6+/–) 33...Kf6 (33...Nc6 34.b5 Nd4 35.b6–+) 34.Nd6?? (better is 34.Ne5 Ne5 35.b5+/–) 34...Nc6–+ 35.b5 Na5 (better is 35...Na7–+) 36.c6+– Ke7 (36...Nc6 37.bc6 Ke7 38.c7 Kd6 39.c8Q+–) 37.c7 Kd7 (37...Kd6 38.c8Q Ne5 39.Qd8 Kc5 40.Qa5+–) 38.c8Q Kd6 39.Qd8 Kc5 40.Qa5 Ne5 41.b6 Kd6 42.b7 Nc6 43.Qb6 e5 44.b8Q Kd5 (44...Kd7 45.Q8c7 Ke6 46.Qbc6 Kf5 47.Qf3 Kg5 48.Qc1 Kh4 49.Qh6) 45.Qb5 Ke6 1–0. kaasparov – metushspahiu, kurnik, 2013.

7.Nf3 d5

(--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6).

8.d3 Bf5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Bf5 8.d3 Nf6).

8.e3 Bf5 9.d3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Bf5 8.d3 Nf6 9.e3).

7.Nf3 Ne4

8.e3 Qa7 9.Bb2 Qa2 10.Qc2 Qd5 11.c4 Qe6 12.Nd4 Qg4 13.h3 Qh4 14.g3 Ng3 15.fg3 Qg3 16.Ke2 Na6 17.b5 Nb4 18.Qa4 e5 19.Qa8 Kd8 20.Qa5 b6 21.Qb6 Ke8 22.Qc7 Bb7 23.Qb8 Ke7 24.Nf5 1–0. Machete99 – guest1411, ICC, 2002.

8.e3 f5 9.g3 d5 10.Bg2 Be6 11.Ne5 Nd7 12.Nd7 Kd7 13.0–0 h5 14.Bf3 g5 15.Bh5 g4 16.Bg6 Rh6 17.d3 Ng3 18.hg3 Rg6 19.Nd2 d4 20.ed4 Bd5 21.f3 Rh6 22.Kg2 c5 23.bc5 Qg6 24.c4 Bf3 25.Nf3 Rh3 26.Nh4 e5 27.Ng6 Bg7 28.Rf5 Rh6 29.Ne5 Kc7 30.Qg4 Be5 31.de5 Kb8 32.Qg8 Ka7 33.Bd4 Rc6 34.Qd5 Rg6 35.Rf6 Rg7 36.Rf7 Rg3 37.Kg3 Ka6 38.Qd6 Ka5 39.Rb7 Ka4 40.Qa6 1–0. wk1234 – raddae, playok.com, 2012.

7.Nf3 e6

8.e3 d5 9.Be2 Bd6 10.0–0 0–0 11.d3 Nbd7 12.Nbd2 Qc7 13.Qb3 b6 14.Bb2 c5 15.bc5 bc5 16.c4 Ba6 17.Ra1 dc4 18.dc4 Ra8 19.Qc2 Ne5 20.Ne5+= Be5 21.Be5 Qe5 22.Ra5 Bb7 23.Ra8 ½–½. algernon (2295) – mindgame (2315), net–chess.com, 2005.

8.g3 d5 9.Bg2 Bd6 10.Qc2 Nbd7 11.0–0 0–0 12.Bb2 c5 13.Ba3 cb4 14.cb4 Bb4 15.Bb4 Qb4 16.Nc3 Qc5 17.Rb1 b6 18.Qb3 Qc7 19.Nb5 Qc5 20.d4 Qc6 21.Rb2 (21.Ra1 Bb7=) 21...Ne4 (better is 21...Ba6!?–/+) 22.Rc2= Qa8 23.Ne5? (23.Ra2!? Qb8 24.Ra1=) 23...Ne5 (23...Qa1 24.Bf1 Ne5 25.de5 Qe5 26.Na7–+) 24.de5 (24.Be4 de4 25.de5 Qa1 26.Kg2 Qe5 27.Na7+=) 24...Bd7 (better is 24...Qa1 25.Bf1 Qe5–+) 25.Be4= de4 26.Rc7 Bc6 27.Nd6 Bd5 28.Qc3 Qa2? (28...Qa5 29.Qc1 h6 30.e3=) 29.e3 (29.Rc8 Qb1 30.Kg2 e3 31.f3+–) 29...Qb1= 30.Kg2 Qb3 31.Qb3 Bb3 32.Rb7 Bd5 33.Rb6 Ra8 34.h4 g6 35.g4 Ra2?? (35...h6 36.Rb5+=) 36.Kg3 (36.Rb8 Kg7 37.Ne8 Kh6 38.g5 Kh5 39.Kg3 Rf2 40.Ng7) 36...Rc2?? (better is 36...Ra8+=) 37.Rb8 Kg7 (37...Rc8 38.Rc8 Kg7 39.Ne8 Kg8 40.Nf6 Kg7 41.g5 Bc6 42.Rg8) 38.Rc8 (38.Ne8 Kf8 39.Nf6 Rc8 40.Rc8 Kg7 41.g5 Bc6 42.Rg8) 38...Rb2?? (better is 38...Rc8 39.Nc8 f5=) 39.Rc7 (39.Ne8 Kf8 40.Nf6 Kg7 41.Rg8 Kh6 42.g5) 39...Rd2?? (better is 39...h5+/–) 40.Rf7 (better is 40.Ne8 Kf8 41.Nf6+–) 40...Kg8 41.Rc7 Rd3 (41...h6 42.Ne8+–) 42.Rc8 Kg7 43.Rc7 Kg8 44.Kf4 Rd2 45.Ne4 (better is 45.Rc8 Kg7 46.Ne8 Kf7 47.Kg5 Rf2 48.Nf6+–) 45...Rb2?? (better is 45...Be4 46.Ke4 Rf2+=) 46.Nf6+– Kf8 47.Nh7 (47.Kg5!? Rf2 48.Rh7 Bc6 49.Kg6 Be8 50.Ne8 Ke8+–) 47...Ke8 48.Nf6 Kd8 49.Rd7 (49.Nd5!? Rf2 50.Kg5 ed5+–) 49...Kc8 50.Rg7 Rf2 51.Kg5 White intends h5 51...Rf3 (51...Re2+–) 52.e4 Bc6 53.Rg6 Re3 (53...Kd8 54.h5 Rh3 55.h6 Rh6 56.Rh6+–) 54.h5 Be4 55.Ne4 Re4 56.Kf6 Rf4 57.Ke6 Re4 58.h6 1–0. wk1234 – bobby7, kurnik, 2013.

7.Nf3 g6

8.Bb2 d5 =.

8.e3 d6 9.Be2 Bg7 10.0–0 0–0 11.d4 Bf5 12.Nbd2 Qa7 0–1. Rooijen Van,Peter (1655) – Mosatidis,Theodorus (1710), BI–2010–P–00022, 2010.

8.e3 Bg7 9.d4 0–0 10.Bd3 d5 11.0–0 Qc7 (11...Bg4 12.h3 Bh5 13.Nbd2 Bf3 14.Qf3+=) 12.c4 dc4 13.Bc4 b5 (13...Nd5 14.b5=) 14.Bd3 Na6 15.Qb3 Be6 16.Qa3 (16.Qc3 Nd5 17.Qa3 Nab4–/+) 16...Ra8 17.Ng5 (17.Nc3 Nd5 18.Nd5 Bd5=) 17...Bd5=+ 18.e4 (18.Nc3 Qd6 19.e4 Ng4=) 18...Bh6 (18...Ng4 19.Nf3 Bc4 20.Bc4 bc4 21.Rc1=) 19.ed5 Bg5 20.dc6 ½–½. Behrmann,Klaus – Dietrich,Andreas, compuserve, 1996.

6.Bc3 Na6

7.Na3 Nf6 8.e3 (8.Nc4 Qc7=) 8...d5 (8...Nd5 9.Ba6 Nc3 10.dc3 Qa6 11.Nb1=+) 9.b5 Nc7 10.bc6 bc6 11.Nf3 e6 (better is 11...e5 12.Nb1 e4=+) 12.Be2?? (better is 12.Bd4 Qa5 13.Nb1=) 12...Ba3–+ 13.Qa1 Be7 14.0–0 0–0 15.Rb1 Nb5 16.Nd4 Bd7 17.Qb2 Qc7 18.Nb5 cb5 19.Be5 Qa5 20.Bc3 Qa4 21.Ra1 Qh4 22.Bb5 Bb5 23.Qb5 Ng4 24.h3 Nf2 25.Ra4 Ne4 26.Re4 Qe4 27.Qb2 Qg6 (28.Qb7 Bd6–+) 0–1. Bradbury,A – De Coverly,R, Eastbourne QP, 1990.

7.b5 Nc7 8.bc6 bc6 9.d4 Nf6 10.e3 e6 11.Nf3 Bd6 12.Nbd2 Ba6 13.e4 Bf1 14.Rf1 Nb5 15.Qb1 0–0 16.g3 Rb8 17.e5 Nc3 18.Qb6 Rb6 19.ed6 Rb2 20.Ne5 Rc2 21.f3 Nb5 22.Ne4 Ne4 23.fe4 Nd6 24.Rf4 Rh2 25.Nd7 h5 26.Nc5 Nb5 27.e5 Rg2 28.Rh4 Rg3 29.Ke2 Rg1 30.Ke3 g6 31.Rf4 g5 32.Rf6 Kg7 33.Ne4 Re1 34.Kd3 g4 35.Ng3 h4 36.Nh5 Kf8 37.Nf4 h3 38.Ne6 Kg8 39.Rf5 fe6 40.Rg5 Kf7 41.Rh5 Kg6 0–1. marekt – preetis, GameColony.com, 2002.

7.Qc1 e6 8.e4 Nb4 9.Be2 d5 10.e5 Bc5 11.Nh3 Na2 12.Qd1 Nc3 13.Nc3 Bd4 14.f4 Bc3 15.dc3 Ne7 16.Qd4 Qb1 17.Bd1 Nf5 18.Qc5 Qc1 19.Qb4? (better is 19.Ke2–+) 19...Ne3 20.Ke2 Nc2 21.Qb6 d4! 22.Bc2 (22.cd4 Qe3#) 22...Qh1 (better is 22...Qc2!? 23.Kf3 Qd3 24.Kg4 h5 25.Kh4–+) 23.Qd4 Qg2 24.Nf2 Qh2 25.Be4 h5 26.c4 h4 27.c5 Rh6 28.Ke3 (28.Qd6 h3–+) 28...Qg3 29.Bf3 h3 30.Qd6 Rh4 31.Qd4 (31.Qb8 Qf4 32.Ke2 Qc4 33.Nd3–+) 31...h2 32.Qd6 (32.Qa1–+) 32...Rh3! 33.Qd1 Qg1 (34.Ke2 Qd1 35.Nd1 Rf3 36.Kf3 h1Q 37.Ke2 Qe4 38.Kf1 Qf4 39.Nf2 g5–+) 0–1. Sigma 4 – MacChess 5.0, 2000.

7.Qc1 Nf6 8.Bf6 gf6 9.c3 d6 10.Na3 Be6 11.e3 Bg7 12.Nf3 0–0 13.Bd3 c5 14.Ba6 Qa6 15.b5 Qa4 16.c4 Ra8 0–1. van der Bergh – de Coverly, Jumelage 1973.

7.e3 e6 8.Nf3 Nb4 9.Bb4 Bb4 10.Be2 Nf6 11.0–0 0–0 12.d3 d5 13.c3 Be7 14.c4 Rd8 15.cd5 ed5 16.d4 Qc7 17.g3 Bh3 18.Re1 Bb4 19.Nfd2 Ne4 20.Qc2 h5 21.Bf1 Bf1 22.Rf1 Nd2 23.Nd2 Bd2 24.Qd2 b6 25.Rc1 Qd6 26.Qd1 c5 27.dc5 bc5 28.Rc2 g6 29.e4 d4 30.f3 Qb6 31.Qd2 Qb3 32.f4 c4 0–1. valpa – kali, playchess.de, 2002.

7.Nf3 d5 8.b5 Qb5 9.e3 Qa4 10.Be2 =+.

7.Nf3 e6 8.Na3 Nb4 9.e3 d5 10.Be2 =+.

7.Nf3 Nh6 8.Na3 Nb4 9.Nc4 Qa6 10.e4 =.

7.Na3 Nb4

8.Qa1 d5 9.Bg7?? (9.Qb2 e6 10.e4–/+ (10.Bg7? Bg7 11.Qg7 Nc2 12.Kd1 Na3–+)) 9...Bg7–+ 10.Qg7 Nc2 11.Kd1 Na3 12.e3 Qb1 (12...Qb3!? 13.Ke2 Qc4 14.d3 Qg4 15.Qg4 Bg4 16.Kd2–+) 13.Ke2 Qb5 (13...b6 14.d3 Nc2 15.Nf3–+) 14.Kf3?? (14.d3 Bf5 15.Kf3–+) 14...Qf1–+ 15.Qh8 Qd1 (15...Kf8 16.Qc3 Nf6 17.h3 (17.Qa3 Ne4 18.Nh3 Nd2 19.Kg3 Ne4 20.Kf4 Qg2–+) 17...Qd1 18.Ne2 Qh1 19.Qa3 Bh3 20.Nf4 Bg2 21.Ng2 Qh5 22.Kg3 Ne4 23.Kf4–+) 16.Ne2 Qh1 17.Qg8 Kd7 18.Qh7 (18.Qg4 Kc7 19.Qg3 Kb6–+) 18...Nc4 19.Qh3 (19.Nd4–+) 19...Kc7 20.Qg3 Kb6 (20...e5 21.Nc3 Qe1 22.Qg5 Nd2 23.Kg3 Nf1 24.Kh4 Qc3 25.Qe7 Bd7 26.h3–+) 21.Qb8 (21.Nc3 Qe1 22.Qg7 Nd2 23.Kg3 Nf1 24.Kf3 Nh2 25.Kg3 Ng4 26.Qd4 Kc7–+) 21...Nd6 (better is 21...Nd2 22.Kg3 Ne4 23.Kf3–+) 22.h3 Qb1 (better is 22...Bh3 23.Qd8 Kb5 24.Nd4 Kc4 25.Qg8–+) 23.Nc3 Qf5 24.Ke2 Ne4 (24...Qc2 25.Qa8–+) 25.Ne4 (25.Nd1 Nc5 26.Qa8 Qd3 27.Ke1 Kc7–+) 25...de4 (25...Qe4?! 26.Qc8 e5 27.Qd8 Kb5 28.Qe7=) 26.Qa8 (26.Ke1 e5–+) 26...Qb5 27.Ke1 Qb1 28.Ke2 Qd3 29.Ke1 Be6 30.Qa1 Bc4 (30...c5 31.Qc3 Qb1 32.Ke2 Qb5 33.Ke1–+) 31.Qb2 (31.Qd4 Kc7 32.Qd3 Bd3–+) 31...Kc7 32.Kd1 (32.Qe5 Kd7 33.Qd4 Qd4 34.ed4 b5–+) 32...Qb3 (better is 32...Qf1 33.Kc2 Bd3 34.Kb3–+) 33.Qb3 Bb3 34.Ke2 Bc4 35.Ke1 b5 36.h4 Kd7 37.g4 (37.f3 Bd3–+) 37...f6 38.h5 Ke8 39.Kd1 (39.d4 ed3 40.Kd2 b4–+) 39...Be6 40.h6 Kf7 41.f4 (41.Kc2 Bg4 42.d3 ed3 43.Kd3 Kg6–+) 41...Bg4 42.Kc2 Be2 43.Kc3 Bd3 44.Kb4 f5 45.Kc5 Kg6 46.h7 Kh7 47.Kc6 (47.Kb4–+) 47...b4 0–1. mikebaldini (1630) – amuslumov (1815), gameknot.com, 2015.

8.Nc4 Qa6 9.Nd6 ed6 10.Bb4 =+.

8.Nf3 =+.

8.Nc4 Qc5

9.e3 d5 10.Bd4 Nc2 11.Qc2 +–.

9.e4 d5 10.d4 Qa7 11.Bb4 dc4 12.Bc4 Nf6 +=.

9.e3 e6

10.Qb1 Nf6 11.d4 (11.Bf6 gf6 12.d4 Qf5–/+) 11...Qe7 12.Bd3 (12.Nb6 Nfd5 13.Nc8 Nc3=+) 12...Nfd5 (12...Nd3 13.cd3 d5 14.Ne5–/+) 13.Ne2 (13.Bb4 Qb4 14.Nd2 Qb1 15.Nb1 Bb4 16.Nd2 b5–/+) 13...Nd3 14.cd3 Nc3 (14...b5 15.Ne5–/+) 15.Nc3 Qb4 16.Kd2 (16.Qc2 d5 17.Ne5 f6–/+) 16...d5 17.Nb6 Kd8 (17...Bd7 18.Nd7 Kd7 19.Rc1–/+) 18.Kc2 (18.Nc8 Qb1 19.Rb1 Kc8–/+) 18...Qb1 (18...Qa5 19.Nc8 Kc8 20.Kd2–/+) 19.Rb1–/+ Bd6 20.f4 g5 21.fg5 Bh2 22.Rf1 Ke7 23.Nca4 (better is 23.Rb1!?=) 23...Bc7 24.Rh1 Bb6 25.Nb6 Bd7 26.Kc3 Be8 27.e4 Rg8 28.Rh7 Rg5 29.e5 Kd8 30.Rh2 Rg4 31.Na4 b5 32.Nc5 Ke7 33.Nb7 Rg7 34.Nd6 Bd7 35.Nb7 Rg3 36.Nc5 Rg7 37.Kb4 Be8 38.Na6 Rg3 39.Kc3 f5 40.Rh7 Bf7 41.Nb4 Rg2 42.Nc6 Kf8 43.Nd8 Bg8 44.Rh3 f4–+ 45.Rf3 Rg4 46.Nb7 Kg7 47.Nd6= Kg6 48.Ne8 Kf5 49.Nd6 Kg5 50.Nb5 Rg3 51.Rf2 Kg4 52.Kc2 Bh7–/+ 53.Rd2 f3 54.Nc3 Rg2–+ 55.Nd1 Re2 56.Nc3?? f2–+ 57.Re2 f1Q 58.Kd2 Qa1 59.Kc2 Kf3 60.Rh2 Bf5 (61.Kb3 Qf1–+) 0–1. Husslein,G – Pommerel,Wim, corr SOK–89–45, 1989.

10.Bd4 Qe7 11.c3 c5 12.Be5 Nc6 13.Nd6 Qd6 14.Bd6 Bd6 15.Nf3 Nf6 16.d4 0–0 17.Bd3 Be7 18.Ne5 d5 19.0–0 Ne5 20.de5 Nd7 21.Bc2 c4 22.e4 Ne5 23.ed5 Rd8 24.Bh7 Kh7 25.Qh5 Kg8 26.Qe5 Bf6 27.Qc7 ed5 28.Rd1 Re8 29.Qa5 Be6 30.f4 g6 31.Kf2 Rd8 32.Kg3 Kg7 33.Qb6 Rd7 34.Qb2 b5 35.Qb4 Ra7 36.Rc1 Ra2 37.Qb5 Rd2 38.Qa5 Bf5 39.h4 Be4 40.Qc5 Rg2 41.Kh3 Rd2 42.h5 Bf5 43.Kg3 gh5 44.Qg1 Kh7 45.Qc5 h4 46.Kf3 Be4 47.Kg4 Rd3 48.Rg1 Kg6 49.Qc8 Kg7 50.f5 h3 51.Qb8 Bg2 52.Qf4 Rc3 53.Kh5 Kg8 54.Re1 ½–½. Johannes,Jan – Hansen,Stefan, corr TKM/A006, 1999.

10.Bd4 Qf5 11.d3 f6 12.Ne2 e5 13.Ng3 Qe6 14.Bc3 d5 15.Nb6 Bd6 16.Be2 Ne7 17.Nc8 Qc8 18.0–0 0–0 19.Qb1 Na6 20.e4 b5 21.Qa2 Nc5 22.Bb4 Ne4 23.Ne4 Bb4 24.c3 Qa8 25.Qa8 Ra8 26.cb4 de4 27.de4 Ra2 28.Bg4 Rb2 29.Be6 Kf8 30.Ra1 Ng6 31.Bd7 Rc2 32.f3 Nf4 33.g3 Ne2 34.Kf1 Nd4 35.h4 Nf3 36.Bf5 g6 37.Ra8 Kg7 38.Ra7 Kh6 39.Be6 Rb2 40.Bg8 Kh5 41.Rh7 Kg4 42.Be6 Kg3 43.Rh6 0–1. hal1958 – Rolly, playchess.de, 2002.

10.Nf3 d5 11.Bd4 Qe7 12.Nb6 Qc7 (13.Be2 Nf6=). Waibel,Ulrich (1650) – Walter,Mario (1885), remoteschach.de, 2005.

10.Nf3 Nf6 11.Qb1 Nbd5 12.Bd4 Qb4 13.Qa2 b5 14.Qa8 bc4 15.Qc8 Ke7 16.Be2 Ne4 17.0–0 Nd6 18.Qa6 Nb5 19.c3 Qb3 20.Bc5 Kf6 (20...d6 21.Nd4 Nd4 22.Bd4 c5 23.Qa7 Kd8 24.Qa8 Kc7=+) 21.Qc8+– Bc5 22.Qh8 h6 23.Qd8 Be7 24.Qd7 Qa4 (24...Nd6 25.Qc6 Qb6 26.Qa4+–) 25.Qc6 (better is 25.e4!? Nf4 26.e5 Kf5+–) 25...Nbc3 26.Qa4 Na4 27.Bc4 Nab6 28.Bd5 Nd5 29.d4 g5 30.h3 h5 31.Ne5 Bd6 32.Nc4 Bc7 33.Ra1 g4 34.h4 g3 35.f3 Kg6 36.Ra7 Bd8 37.Ne5 Kg7 38.Rf7 Kg8 39.Rd7 Bh4 40.Nc4 Bf6 41.Kf1 h4 42.Ke2 Nc3 43.Kf1 (43.Ke1 Nd1 44.Kf1 Kf8+–) 43...Nd1?? (43...Nd5 44.Rb7 Bg7+–) 44.e4 Bg5 (44...Kf8 45.e5 Be7 46.Rb7+–) 45.d5 e5 (45...ed5 46.Rd5 Ne3 47.Ne3 Be3 48.Rh5+–) 46.Ne5 Ne3 47.Kg1 Bf4 48.Ng6 h3 (48...Bg5 49.f4 Bh6 50.d6+–) 49.gh3 (49...Bg5 50.d6+–) 1–0. Van der Linden,Arie – Berberich,Christoph (2095), Kleve op, 1999.

7.Na3 d5

8.Qa1 Nf6 9.Qb2 Ne4 10.e3 Nc3 11.dc3 e6 12.Nb1 c5 13.Nf3 Bd6 14.b5 c4 15.Be2 Bd7 16.Na3 Nc7 17.0–0 0–0 18.e4 Ra8 19.Ra1 Qa5 20.ed5 ed5 21.b6 Nb5 22.g3 Ba3 23.Qb1 Nc3 24.Qf1 Qb6 25.Ne5 Bf5 26.Bh5 g6 27.Be2 Ne4 28.Kg2 Nf2 29.Qf2 Qf2 30.Kf2 Bc5 31.Kg2 Ra1 32.Nf3 Be4 0–1. Fekele – Schmidt, corr DDR 1984.

8.Qb1 f6 9.Nf3 (better is 9.b5!? Nc7 10.bc6 Qb1 11.Nb1 bc6 12.Ba5+=) 9...e5–/+ 10.d3 (10.e3 Nb4 11.Qb2 Qa5–/+) 10...Bb4 (10...Nb4!? 11.Nd2–+) 11.Bb4–/+ Qb4 (worse is 11...Nb4 12.c3+/–) 12.Qb4 Nb4 13.Kd2 Ne7 14.g3 Na6 15.Bg2 0–0 16.Rb1 b5 17.c4 dc4 18.dc4 Rd8 19.Ke3?? (better is 19.Kc1 b4 20.Nc2–+) 19...Nf5 20.Ke4 Nc5# 0–1. Neumann,Frank (1650) – Hingst,Thomas (2095), RSS5E NoEngine–60, 2008.

8.b5 cb5 9.e3 b4 =+.

8.e3 Nb4=+ 9.Qa1 (9.Nf3 Qa5 10.Bb2 Nf6=+) 9...f6–/+ 10.Nf3 Na6 (10...e5 11.Be2–/+) 11.Be2 (11.d4 Bf5–/+) 11...Qc7 (11...e5 12.0–0=+) 12.0–0 (12.d4 Bg4=+) 12...Nc5 (12...e5 13.Qb2–/+) 13.Nd4 (13.Bb4 Ne4=) 13...Ne4 (13...e5 14.Nf3–/+) 14.Bh5 (14.Bb4 c5 15.Nab5 Qb8=) 14...g6–/+ 15.Bf3 (better is 15.Be2!?–/+) 15...Nc3 (15...e5 16.Nb3 Nc3 17.dc3–+) 16.Qc3 e5 17.Ne2? (better is 17.Ndb5 Qb8 18.Qb3–+) 17...e4 (18.Nb5 Qd8 19.Be4 de4–+ (19...cb5?! 20.Bd5 Bd6 21.f4–/+)) 0–1. Etzel,S – Krahn,R, 12.DJOFM, 1989.

7.b5 cb5

8.e3= d6 9.Bd4 Qc6 =.

8.e3= d6 9.Qe2 Bd7 10.Qf3 Qc6 11.Bd3 Qf3 12.Nf3 Nc5 13.Be2= Nf6 14.0–0 Nd5+= 15.d4 Ne4 16.Bb2 b4 17.h3 f6 18.Bd3 Nec3 (18...f5 19.Nbd2 Nec3 20.Ra1+=) 19.e4 (19.Bc3 Nc3 20.Nc3 bc3+=) 19...Nb1 (better is 19...Na4!? 20.Bc1 Ndc3 21.Nc3 bc3+=) 20.ed5+= Nc3 21.Bc3 bc3 22.Rb1 Bc8 23.Rb6 Kf7 (23...Kd8 24.Rb3=) 24.Rb3+= g5 25.Rc3 Bg7 26.Bh7 Bh3 27.Ng5 (27.gh3 Rh7 28.Rb3 Rh8+=) 27...fg5= 28.Rf3 Bf6 29.Rh3 Bd4 (29...g4 30.Rh2 Bd4 31.Rh4=) 30.c4 (30.Rf3 Kg7 31.Bd3 Re8+=) 30...Kg7 31.Bc2 Rh3 ½–½. Yannick – Mrchess, playchess.de, 2005.

8.e3 d6 9.Qe2 Bd7 10.Qf3 Qc6 11.Bd3 Qf3 12.Nf3 Nc5 13.Be2= Nf6 14.Na3 Nd5 15.Nb5 Nc3 16.Nc3 e6 17.d4 Na6 18.Kd2 Be7 19.Ra1 Nc7 20.Ra7 Bc6 21.Na2 Kd7 22.Nb4 Ra8 ½–½. Yannick – Mrchess, playchess.de, 2005.

7.b5 Qb5

8.e3 Qa4 9.d4=+.

8.e3 Qa4 9.Nf3 d5 10.Be2 Nb4 11.Bb4 Qb4 12.0–0 Bg4 (12...g6 13.Nc3 Bg7 14.Qa1–/+) 13.d4 Nf6 14.Ne5 Be2 15.Qe2 e6 16.c4 Bd6 17.cd5 Be5 18.de5 Nd5 19.Nd2 Nc3 20.Qd3 Ke7 21.f4? (better is 21.Nf3–/+) 21...Rd8–+ 22.Qc2?? (22.Qc4 c5 23.Qb4 cb4 24.Nb3–+) 22...Ne2 23.Kh1 Qd2 24.Qh7 Qe3 25.Qg7 (25.Qh4 Kd7 26.Rd1 Nd4–+) 25...Qf4! 26.Rb1 (26.Rf4 Rd1 Mate attack) 26...b5 27.h3 Ng3 28.Kg1 Rd2 29.Kh2 (29.Qf6 Qf6 30.ef6 Kf6 31.Kh2–+) 29...Nf1 30.Kg1 Qh2 31.Kf1 Qh1 0–1. sacaniev – ab45ad46, kurnik, 2013.

8.e4 Qa4 9.d4 Nb4 10.Bb4 Qb4 11.c3 Qa5 12.Bd3 e5 13.Qh5 d6 14.Bc4 Nh6 15.Nf3 Qa4 16.Ne5 g6 17.Qg5 Bg7 18.Bf7 Nf7 19.Nf7 Kf7 20.Qf4 Ke7 21.0–0 Be6 22.g3 h6 23.Nd2 Ra8 24.Rb1 b5 25.Nf3 Qc2 26.Rc1 Qb2 27.e5 Rf8 28.ed6 Kd7 29.Qd2 Qd2 30.Nd2 b4 31.cb4 Bd5 32.Rd1 Rb8 33.b5 Rb5 34.Nf1 Kd6 35.Ne3 Bf3 0–1. marus2 – aspirant002, internet, 2001.

8.e3 Qa4 9.Nf3 =+.

8.e3 Qc5 9.Nf3 (9.Bd4 Qd6=) 9...Nf6=+ 10.d4 (10.Bd4 Qh5=) 10...Qb6 (10...Qh5 11.Be2=+) 11.Bd3 d5 12.0–0 Ne4 (12...Bg4 13.Nbd2=+) 13.Ne5 (13.Be4 de4 14.Ng5 Bf5=) 13...Nb4 (13...Bf5 14.Qh5 g6 15.Qf3=+) 14.Bb4 Qb4 15.Be4 (15.c4 Bf5=) 15...de4 16.c3 Qb5 (16...Qd6 17.f3 f6 18.Nc4=) 17.Qh5 (17.c4 Qa6 18.Nc3 Bf5=) 17...g6=+ 18.Qh4 Bf5 (18...Bg7 A) 19.Qe4? Bf5 20.c4 Qb2–+ (20...Be4?! 21.cb5 f6 22.Nf3–/+); B) 19.Nd2=+) 19.Nd2 (19.c4 Qb4 20.c5 f6–/+) 19...f6 20.Nec4 Qa4 21.Qf4 (21.Rc1 Be6 22.Nb6 Qa2 23.Ne4 Qb2–+) 21...b5= Black fights for the Initiative 22.Qb8 (22.g4 Bg4 (< 22...bc4 23.gf5 c5 24.Qe4+=) 23.Qg4 A) 23...bc4 24.Qe6 (24.Ne4?! f5 25.Nc5 fg4 26.Na4 Bg7=) 24...Bg7 25.Ne4+–; B) 23...f5=) 22...Kf7=+ 23.Nb6 Qc2 24.Nb1 Bg4 25.Qc7 Be2 26.Re1 Qb2 27.Qa7?? (27.Qc6 Bd3 28.c4 Bb1 29.cb5–+) 27...Bd3–+ 28.Qa3 Qa3 29.Na3 e6 30.Ra1 Bd6 31.Nb1 Bb1 32.Rb1 Rb8 33.Nd7 Rd8 34.Nc5 Bc5 35.dc5 Rd3 36.Rc1 f5 37.Kf1 Rd5 38.Ra1 Rc5 39.Ra7 Kf6 40.Ra3 e5 41.Ke2 h6 42.Kd2 Rd5 43.Kc2 c5 44.Ra6 Kf7 45.Rb6 c4 46.h4 Kg7 47.Rb7–/+ Kh8 48.h5?? gh5 49.Rf7 f4 50.ef4 ef4 51.Rf4 Re5 52.Kd2 Kg7 53.Ke3 b4 54.cb4 Rb5 55.Ke4 Kg6 56.Kd4 Rb4 57.Kc3 Rb3 58.Kc4+/– Rb1 59.Kd4 Rg1 60.g3+/– Kg5 61.Re4 Rf1 62.Ke3 Re1 63.Kf3+/– Re4 64.Ke4 Kg4 65.Ke3 Kh3?? 66.Kf3 Kh2 67.Ke2 Kg2?? 68.f4+– Kg3 69.f5 h4 70.Kf1 h3 71.Kg1 h5 72.f6 (72...h2 73.Kh1+–) 1–0. Wall,Bill – Utakan, Internet, 2003.

8.Nf3 d5 =+.

7.Qc1 Nb4

8.Na3 Na2 9.Qb2 Qb2 10.Bb2 d5 11.Nf3 Bg4 12.e3 Bf3 13.gf3 e6 14.Rg1 Nf6 15.Nb1 h5 16.Kd1 Nb4 17.Be2 h4 18.c3 Na6 19.c4 dc4 20.Bc4 Nb8 21.Ke2 Nbd7 22.Rg4? Rh7 23.h3? Nd5 24.Bb3 Nc5 25.Bc2 g5?? 26.Bh7+– 1–0. Sternik,Ryszard – Zarczynski,Dariusz, corr, 1998.

8.Qb2 Nd5 =+.

8.Qb2 c5

9.Na3 d5 10.d4!? (10.Bg7 d4 11.Nc4 Nd3 12.ed3 (12.cd3) 12...Qb2 13.Nb2 Bg7) 10...e5! (10...e6?!! 11.dc5 Bc5 12.Bg7 Bf2 +/–) 11.de5 (11.dc5 Bc5 12.Be5 Bf2 13.Kd1 f6 14.Bc3 Bg1 15.Bb4 Bc5 –/+) 11...d4 (11...c4!?) 12.Bb4 (12.Bd2? Nd3 0–1) 12...Qb4 13.Qb4 cb4 unclear. Aasum.

9.Na3 Nd5 10.Qb6 (10.Bg7 Bg7 11.Qg7 Ndf6 idea Qb2) 10...Nb6 11.Ba5 (11.Nb5 f6? (11...d5! –+) 12.Na7 Kf7 13.Ba5 Nc4 14.Bc7 +/–) 11...Na4 (idea 12...b6) 12.Nc4 d5 13.Na3 (13.Nb6 Nb6 14.Bb6 e5 –+; 13.Ne3? b6 14.Bc3 d4 –/+; 13.Ne5 b6 14.Bc3 Nc3 –/+) 13...b6 14.Bc3 Nc3 –+. Aasum.

9.e4 =+.

9.Bg7?? Bg7–+ 10.Qg7 (10.Qb3–+) 10...Nc2 11.Kd1 Qb1# 1–0. Aasum,Anker, 1997.

8.Qb2 e6

9.Na3 Bc5 10.e3 f6 =+.

9.Na3 Nf6 10.Nc4 Qa7 11.Bb4 Bb4 12.e3 b5 13.Qb4 Qa1 (13...bc4?! 14.Bc4 c5 15.Qb2+=) 14.Ke2 bc4 15.Qc4?? (better is 15.Nf3–+) 15...Ba6 (15...Ba6 16.Qd3 Qa2–+) 0–1. lietuvis11111 – samusi, kurnik, 2014.

9.Na3 Nf6 10.Nc4 Qc5 11.e3 b5 12.d4 Qa7 13.Bb4 Bb4 14.Qb4 Qa1 15.Ke2 bc4 16.Qe1 Qb2 17.Qd1 Ne4 18.Kf3 Qb5 19.Qe1 Qf5 20.Ke2 c3 21.f4 Qh5 22.g4 Qg4 23.Nf3 Ba6 24.Kd1 Qf3 25.Be2 Be2 0–1. marekt – brunetti, gameknot.com, 2001.

9.Nf3 d5 =+.

9.Bg7 Bg7 10.Qg7 Nc2 11.Kd1 Qb1.

9.Na3 d5

10.e3 f6 11.Nf3 (11.f4–/+) 11...Nh6 (11...Qa5!? 12.Nb1 e5–/+) 12.Be2+= e5 13.0–0 c5 (13...e4 14.Nd4+=) 14.Bb4 (14.d4 e4 15.Nd2 Qe6=) 14...cb4 (14...Qb4 15.Qb4 cb4 16.Nb5–/+) 15.Ra1+= Bd7 (15...Be7 16.Nb5 0–0 17.Qb3+=) 16.Nb1 (16.c3 Bc5 17.Nc4 Qd8 18.cb4 Be7=) 16...Nf5 (16...Qd6 17.Ra7=) 17.Ra8 (17.Qb3 Be6=) 17...Kf7 18.Qa2 (18.d4 e4 19.Nfd2 Qc6=) 18...Be6+= 19.Qa4 (19.Qb2 Rg8+=) 19...g5 (19...g6 20.d4 ed4 21.Nd4 Nd4 22.ed4–/+) 20.Qe8 (20.Bb5 Kg7+=) 20...Kg7 21.Qb5 (21.Qh5!? Rg8 22.Ne1+=) 21...Qb5–/+ 22.Bb5 Bc5 23.Rh8 Kh8 24.d3 Kg7 25.Nbd2 g4 26.Ne1 h5 27.Nf1 Nd6 28.Ba4 b3 29.Bb3 Bb4 30.c3 Bc3 31.Nc2 b5 32.Ng3 h4 33.Ne2 b4 34.Kf1 f5 35.Nc3 bc3 36.Ke2 Kf6 37.d4 f4 38.Kd3 Bf5–+ 39.Kc3 Ne4 40.Kb2 Nf2 41.ef4 Nd1?? 42.Kc1+/– Bc2 (42...Bc2 43.fe5 Ke6 44.Bc2 Ne3+/–). Engles,Michael – Grobler,David J, WCCF, 2003.

10.Nf3 Qa5 11.Kd1 f6 –/+.

10.Nf3 f6 11.e3 Bd6 12.Be2 Ne7 13.0–0 0–0. Borik.

10.Nf3 Nf6 11.e3 Qa5 12.Nb1 (12.Bf6 Qa3!? 13.Bg7 Rg8–/+) 12...Ne4 (12...Qa4 13.Nd4–/+) 13.Be2 (13.Bd4 Qa4 14.Bd3 Nf6–/+ (14...Nd3?! 15.cd3 Nf6 16.Bf6=+)) 13...Nc3 14.Nc3 (better is 14.Qc3!? Qa2 15.0–0 Qc2 16.Qe5–+) 14...Qa1!–+ 15.Qa1 Deflection from c2 15...Nc2 A double attack 16.Kf1 (16.Kd1 Na1 17.d4 c5–+) 16...Na1 17.Bd1 (17.d4 Nb3–+) 17...b5 18.Ke2 (18.d4 b4 19.Na4 b3–+) 18...Ba6 19.d3 Bb4 20.Kd2 c5 21.Ba4 (21.h3 e5 22.d4 e4–+) 21...ba4 22.Ra1 a3 23.Kc2 (23.Ke2 c4 (23...Bc3?! 24.Ra3 Bd3 25.Kd3–+) 24.d4 Ke7–+ (24...Bc3?! 25.Ra3 Bd4 26.ed4–+)) 23…Ke7 (24.Ra2 Ra8–+) 0–1. Sternik,Ryszard – Benassi,Aspasio, corr 3GMM–18, 1994.

10.Bg7? Bg7

11.Qg7 Nc2!! 12.Nc2 Qb1.

11.Qg7 Nc2 12.Kd1 Na3 13.e3 Qb1 14.Ke2 b6! 15.Qh8 Ba6 16.Kf3 Qf5 17.Kg3 Qg6 18.Kf3 Bf1 19.g4 h5! 20.h3 hg4 21.Kg3 gh3 22.Kh4 Bg2 23.Rh2 Nc4 24.Nh3 Nd2 25.Ng5 Nf3 26.Nf3 Bf3 0–1. Mueller – Borik, Osnabrueck 1971.

11.Qg7 Nc2!! 12.Kd1 Na3 13.e3 Qb3 14.Ke2 b6 15.Qh8 Ba6 16.Kf3 Bf1 17.Qg8 Ke7 +=.

11.Qg7 Nc2!! 12.Kd1 Nd4 13.e3 Qb3–/+ 14.Ke1 Qa3 15.ed4 Qc1 16.Ke2 Qc2?? (16...Qc4 17.Ke1 Qc1 18.Ke2 Qc4 19.d3 Qc2 20.Kf3 Qc1 21.Qh8 Kf8+–) 17.f3 (17.Qh8 Qe4 18.Kd1 Qb1 19.Ke2 Qe4 20.Kd1 Qb1 21.Ke2 Qe4=) 17...b5 (17...Qc4 18.Kf2 Qc2 19.Qh8+–) 18.Qh8 Kf8 (18...Qg6 19.Ke1+–) 19.g3 (19.Nh3 Bd7+–) 19...b4 20.Nh3 (20.Ke1 Qc1 21.Ke2 Qc2+–) 20...Ba6 21.Kf2 Qd2 22.Kg1 Bf1 23.Kf1 b3 24.Qh7 Qd4 25.Kg2 c5 26.Qh4?? Qh4= 27.gh4 Nf6 28.Kg3 c4 29.Rb1 e5 30.Nf2 Ke7 31.h3 Ke6 32.Kg2 Nh5 33.Kh2 f5 34.Kg1 Nf4 35.h5 c3?? 36.Rb3+/– c2 37.Rc3?? Ne2–+ 38.Kg2 Nc3 39.Nd3 Na2 40.h6 e4 41.fe4 fe4 42.Nf4 Kf7 43.Ne2 Kg6 44.Kf1 0–1. SuperForte5 – KnightStalker, 1994.

11.Qg7 Nc2!! 12.Kd1 Nd4 13.Qh8 Qb3 14.Ke1 Nc2 15.Kd1 Na3 16.Ke1 Qb1.

7.e4 Nb4

8.Bb4 Qb4 9.e5? (9.Bd3 g5–/+) 9...b5 (9...Qe4 10.Qe2 Qc2 11.Nc3–+) 10.c3? (better is 10.Nf3–/+) 10...Qe4–+ 11.Be2 Qe5 12.Nf3 Qe6 13.d4 Qa2 14.0–0 g6 15.Nbd2 Nf6 16.Bd3 (16.c4!?–/+) 16...Bg7–+ 17.Ne4 0–0 18.Re1 Nd5 19.Re2 Qa5 20.c4? (20.Qb3 Qb6–+) 20...bc4 (better is 20...Nf4 21.Re3 bc4 22.Bf1–+) 21.Bc4 Nc3 22.Qd3?? (better is 22.Nc3 Qc3 23.Rc2–+) 22...Qa1 (better is 22...Ne2 23.Qe2 d5–+) 23.Re1+= Qb2? (23...Qe1 24.Ne1 Ne4 25.Qe4+=) 24.Nc3 (better is 24.Qc3!? Qc3 25.Nc3+–) 24...d5= 25.Bd5 cd5 26.Nd5 (worse is 26.Re7 Be6 27.g3 Rc8–+) 26...Bf5?? (better is 26...e6 27.Ne7 Kh8=) 27.Ne7+– Kh8 28.Nf5 gf5 29.Qf5 Bd4?! (29...Qb6 30.d5 Kg8+–) 30.Rf1 (better is 30.Ng5 Qf2 31.Qf2 Bf2 32.Kf2+–) 30...h6+/– 31.Nh4 Bg7 32.g4 Qd4 33.Re1 Qd8 34.Re5?? (better is 34.Nf3+/–) 34...Qh4–+ 35.Re7?? (better is 35.Rd5–+) 35...Qe7 36.f4 White prepares g5 (36.Qf3–+) 36...Qe3 37.Kg2 Rd8 38.g5 (38.Qc2 Rd2 39.Qd2 Qd2 40.Kf3 Bd4 41.h4 Qe3 42.Kg2 Qf4 43.g5 Qg4 44.Kh2 Be5 45.Kh1 Qh3 46.Kg1 Bd4#) 38...Rd2 0–1. iczker – ateistawolnyx, kurnik, 2014.

8.Nf3 e6 =+.

8.Nf3 Nf6 9.Bd4 c5 10.Bf6 ef6 11.Bc4 Be7 12.0–0 0–0 13.Nc3 Nc6 14.Nd5 Qd8 15.Qa1 d6 16.Rb1 g6 17.d3 f5 18.ef5 gf5 19.Rb6 Nb4 20.Ne7 Qe7 21.Qc3 Qd8 22.Rb4 cb4 23.Qb4 Re8 24.Bd5 Qe7 25.Qc3 Be6 26.Bb3 Bb3 27.cb3 Qe2 28.h3 Qd1 29.Kh2 f4 30.b4 h6 31.Qf6 Re6 32.Qd4 Qc2 33.Nh4 Qe2 34.Nf3 Rg6 35.Nh4 Rg5 36.Nf3 Rg7 37.b5 Rg6 38.Nh4 Rg5 39.Nf3 Rg7 40.b6 Rg6 41.Nh4 Re6 42.Nf3 d5 43.h4 Qa2 44.Kh3 Qb1 45.Qd5 Qb6 46.d4 Re2 47.Qf5 Qe6 48.Qg4 Qg4 49.Kg4 b5 50.Kf4 b4 51.Kg3 b3 52.d5 b2 53.Nd4 Rd2 54.Nf5 b1Q 55.Nh6 Kf8 56.Ng4 Rd5 57.Ne3 Qd3 58.Kh3 Rf5 59.g3 Rf2 60.Ng2 Qf5 61.Kh2 Qf3 62.Kh3 Rg2 0–1. francism (1650) – zorrik (1675), gameknot.com, 2003.

8.Nf3 Nf6 9.Bf6 ef6 =+.

7.Nf3 Nb4

8.d3!? =.

8.e3 d5 9.Na3 –/+.

8.e3 d5 9.Be2 f6 10.0–0 c5 (10...e5!?+=) 11.Na3 Nc6 (11...e5 12.Bb5 Bd7 13.Qe2=) 12.Qa1 e5 13.Rb1 (13.Nb5 Qd8+=) 13...Qd8= 14.Nb5 Nh6 15.Rd1 (15.Na7!? e4 16.Nh4 Na7 17.Qa7=) 15...Be7+= 16.d4 (16.Na7 Na7 17.Qa7 0–0+=) 16...cd4–/+ 17.ed4 e4 18.Nd2 0–0 (18...f5–/+) 19.Na7? (19.Ne4!? de4 20.d5=) 19...Bf5 (19...Na7 20.Qa7 Qc7 21.Qa5 Qa5 22.Ba5–/+) 20.Nc6 bc6 21.Qa6 Qa8 22.Ra1 Qa6 23.Ra6 Rc8 24.Ra7 Bd8 25.Nb3 Nf7 26.Nc5 Bb6 27.Rb7 Bc5 28.dc5 Nd8 29.Ra7 Rb8 30.h3 Ne6 31.Kh2 Nc5 32.Bd4 Ne6–+ 33.Ba1 Kf8 34.Bc3 d4 35.Ba5 d3 36.cd3 ed3 37.Bf3 Nd4 38.Bd1 Be6 39.Bc7 Re8 40.Bd6 Kg8 41.Bc5 Nb3 42.Bb4 c5 43.Bc3 c4 44.Rc7 Rd8 45.Rc6 Kf7 46.Rc7 Rd7 47.Rc6 Nd4 48.Ba4 Nc6 49.Bc6 Rd6 50.Bb5 d2 51.Bd2 Rd2 52.Kg3 c3 53.Ba4 c2 54.Bc2 Rc2 55.f3 g5 56.Kh2 h5 57.Kg3 h4 58.Kh2 Kg6 59.Kg1 Bc4 60.Kh2 Kf5 61.Kg1 Kf4 62.Kh2 Ra2 63.Kg1 Kg3 (63...Kg3 64.f4 Ra1#) 0–1. Neumann,Frank (1650) – Hingst,Thomas (2095), RSS5E NoEngine–26, 2007.

8.e3 d5 9.Be2 =+ f6 10.d4 =+.

8.e3 e6 9.Be2+= Nd5 (9...d6 10.d4+=) 10.0–0 (10.Bd4 c5 11.Ba1 Ngf6+=) 10...Ngf6 (10...Nc3 11.Nc3 d5 12.e4+=) 11.Bd4 c5 12.Ba1 Be7 13.Nc3 (13.d3 0–0+=) 13...Nc3 14.Bc3 d5 (14...d6 15.Qb1 Qb1 16.Rb1+=) 15.d3 (15.Qa1 0–0+=) 15...0–0–/+ 16.Qb1 Qb1 17.Rb1 Nd7 18.Ra1 (18.Ba5 g5+=) 18...f6 (18...b5 19.Ba5–/+) 19.Ra7 (19.d4 Kf7–/+) 19...Nb8 20.Nh4 (20.Ra5 Nc6 21.Rb5 e5–/+) 20...Nc6–+ 21.Ra3 (21.Ra1 b5–+) 21...b5 (21...d4 22.Ba1–+) 22.Bd2 (22.Bb2 Kf7–+) 22...g5 23.Nf3 Bb7 (23...g4 24.Ne1 b4 25.Ra4–+) 24.c3 Ra8 25.Ra8 Ba8 26.d4 c4 27.g4 b4 28.cb4 Bb4 29.Bb4 Nb4 30.Kf1 Bc6 31.h4?! h6 32.hg5 hg5 33.Ke1 Ba4 34.Bf1 Kf7 35.Kd2 Na2 (35...Na2 36.Ke1 c3–+) 0–1. Woschkat,Karl_Heinz – Suess,Stefan, corr SOK–87–12, 1987.

8.e4 d5 9.ed5 Nd5 =+ 10.Bd4 =+.

8.e3 Nf6

9.Na3 d5 10.Qb1 e6 11.Bf6 gf6 12.c3 –/+.

9.Na3 e6 10.Nc4 Qa7 11.Be2 d5=+ 12.Nce5 Ne4–/+ 13.Bb2 Qa2 14.Qc1 f6 15.Nd3 Nd3 16.Bd3 e5 17.0–0 Nc5 18.Be2 Na4 19.Ba1 b5 20.d4 e4 21.Nd2 Nb6 22.f3 ef3 23.Nf3 Bd6 24.Bd3 0–0 25.e4 de4 26.Be4=+ Bd7 27.Re1 Re8 28.Qd1 Nd5 29.Nh4 Nf4 30.Bf5 Re1–+ 31.Qe1 Bb4 32.Qd1 Bf5 33.Nf5 Nd5 34.Kf2 Bf8 35.Ne3 Ne3 36.Ke3 Bd6 Black fights for the Initiative 37.g3 f5 38.Bc3 Qe6 39.Kf2 f4 40.gf4 Bf4–+ 41.Qh5 g6 42.Qf3 Bh2 43.Bd2 Kg7 44.Qh1 Qd6 45.Qe4 h6 46.Kg2 Qg3 47.Kf1 Qh3 48.Ke2 Qh5 49.Kd3 Qf5 50.Qf5 gf5 51.c4 bc4 52.Kc4 h5 53.Be1 Kg6 54.Bf2 f4 55.d5 cd5 56.Kd5 Bg3 (57.Bd4 Kf5–+) 0–1. St_Jean,Benoit – Luzuriaga,Norberto Horacio, Orang–Utan Invitational, 2001.

9.Be2 d5 10.0–0 Bf5 11.d3 c5 12.Nbd2 e6 13.Bf6 gf6 14.e4 de4 15.de4 Bg4 16.Nc4 Qc7 17.Qd2 b5 18.Na3 Bf3=+ 19.Bb5 Nc6 20.gf3 Rg8 21.Kh1 Ke7 22.Qe3 Ne5 23.Be2 Ng6 24.Nb5 Qe5 25.Na7 Qc7 ½–½. Hildingstam,Stefan – Grobler,David, corr or01–018 E–mail, 2002.

9.Be2 Nbd5 10.Bd4 c5 11.Ba1 e6 12.0–0 Be7 13.c4 Nb4 14.d4 0–0 15.Qb3 d6 16.Rd1 Rd8 17.Nc3 Bd7 18.Bb2 cd4 19.Nd4 d5 20.Ba3 dc4 21.Bc4 Rc8 22.Ncb5 Nbd5 23.Bd5 Nd5=+ 24.e4 Ba3–/+ 25.Qa3 Bb5 26.ed5 Bc4 27.de6 fe6 28.Qe3=+ Qc5 Black begins to deal mighty blows 29.f4 b5–/+ 30.Rc1 b4 31.Kh1 Rd8 32.Rd1 Qb6 33.h3 b3–+ 34.Qc3 b2 (35.Qc4 b1Q 36.Rb1 Qb1 37.Kh2 Qe4 38.Qe6 Qe6 39.Ne6 Rd2–/+) 0–1. Vetter,Udo – Bonetti,Shane, TT–09 ETC, 2003.

9.Be2 Nbd5 10.Bd4 c5 11.Ba1 g6 12.d4 (12.Bc4 Nb4 =+) 12...Qa5 13.Nbd2 Nc3 14.Bc3 Qc3 15.0–0 Bh6 16.Nb1 Qa5 17.Qd2 (17.Nbd2 cd4 18.ed4 0–0 =+) 17...Qd2 18.Nbd2 cd4 19.ed4 d6 20.Ra1 0–0 21.Ra7 e5 22.h4 e4 23.Ng5 d5 (24.Kh2 Bg7 –/+) –/+. Hildingstam,Stefan – Yalcin,Umit, corr or01–018, 2002.

9.Be2 Nbd5 10.Bd4 c5 11.Bf6 Qf6 12.0–0 Nc7 =+.

9.Be2 Ne4 10.Bd4 =+.

7.Nf3 Nf6

8.b5 Qb5 9.Bd4 =+.

8.Bf6 ef6 9.c3 d6 10.d4 =.

6.Bc3 d5

7.e3 Na6=/+.

7.e3 Bf5 8.Nf3 Nd7 9.Bd3 Bd3 10.cd3 Ngf6 11.0–0 e6 The isolani on b4 becomes a target 12.Qb3 Bd6 13.h3 0–0 14.Na3 Qa6 15.b5?? (better is 15.Bf6 Nf6 16.Ra1+=) 15...Qa3–+ 16.Qa3 Ba3 17.bc6 bc6 18.d4 (18.g4 Bd6–+) 18...c5 19.Ra1 Bb4 20.Bb4 cb4 21.Rb1 Rb8 22.Rb3 Ne4 23.Kf1 Rb5 24.Ke2 Nb6 25.Ne5 Nc4 26.d3 (26.Nc6 Ned2 27.Rb4 Rb4 28.Nb4 Ne4–+) 26...Ne5 27.de4 Nc4 28.ed5 ed5 29.Kd3 Kf8 30.e4 Ke7 31.f4 White prepares the advance e5 (31.ed5 Na5 32.Rb1 Kd6–+) 31...Nb6 (31...Na5!? 32.Rb1–+) 32.e5 Ke6 33.g4 g6 34.h4 h5 35.g5 (35.f5 gf5 36.gh5–+) 35...Kf5 36.Ke3 (36.Kc2 Kf4 37.Rh3 b3 38.Rb3 Rb3 39.Kb3 Kg4–+) 36...Nc4 37.Kf3 (37.Ke2 Kf4 38.Kd3–+) 37...Nd2 38.Ke2 (38.Kf2 Nb3 39.Ke2 Nd4 40.Kd3 b3 41.Kd4 b2 42.Kd3 b1Q 43.Kd2 Rb2 44.Kc3 Ke4 45.f5 Qc1) 38...Nb3 39.Kd3 (39.Kf3 Nd4 40.Ke3 b3 41.e6 Ne6 42.Ke2 Nf4 43.Kf1 b2 44.Ke1 b1Q 45.Kf2 Ke4 46.Kg3 Qg1) 39...Na5 40.Ke3 (40.e6 fe6 41.Ke3 Nc4 42.Kd3 b3 43.Kc3 b2 44.Kd3 b1Q 45.Ke2 Kf4 46.Kf2 Rb2) 40...Nc4 41.Kd3 (41.Ke2 b3 42.Kf3 b2 43.e6 b1Q 44.ef7 Qf1 45.Kg3 Rb3 46.Kh2 Rh3) 41...b3 42.Kc3 (42.Ke2 b2 43.e6 b1Q 44.ef7 Rb2 45.Kf3 Qd3) 42...b2 43.Kd3 b1Q 44.Kc3 (44.Ke2 Kf4 45.e6 Rb2) 44...Rb3# 0–1. ventil (1680) – rozwiertek, kurnik, 2014.

7.Nf3 Na6 8.b5 Qb5 9.e4 +=.

7.Nf3 f6 8.d4 Na6 9.b5 Qb5 10.e4 Qa4 11.ed5 cd5 12.Bd3 Nc7 (12...Nb4 13.Bb4 Qb4 14.c3=) 13.0–0 Bg4 14.Nbd2 (14.h3 Bh5+=) 14...e6 15.Qa1 Qa1 (15...Qc6 16.Rb1=) 16.Ba1 (16.Ra1 Kd7+=) 16...Kd7 (16...b5 17.Rb1+=) 17.Bc3 (17.Rb1 Kc6+=) 17...Bd6 (17...Nh6 18.Rb1+=) 18.Rb1 Kc8 (18...b5 19.Bb5 Nb5 20.Rb5+=) 19.h3 (19.Rb6 Bf4+=) 19...Bf3 Black gets the initiative 20.Nf3 Ne7 21.Rb6 (21.h4 g6–/+) 21...Nc6–/+ 22.Bd2 g6 23.c3 (23.Be3 e5 24.de5 fe5–/+) 23...e5 24.Be2 Re8 25.Be3 Re6 (25...ed4 26.Nd4 Nd4 27.cd4–/+) 26.de5 Be5 (26...fe5 27.Kf1–/+) 27.Ne5 Ne5 (27...fe5?! 28.Bg4=) 28.Re6 Ne6 29.f4 (29.g4 Kd7–/+) 29...Nc4 30.Kf2 Kd7 31.Bf3 (31.g4 Kd6–/+) 31...Kd6 32.Bc1 (32.g4 b5–/+) 32...b5 33.g4 Kc5 34.f5 gf5 35.gf5 Ng7 36.Bg4 h5 (36...d4 37.Bh6 Ne8 38.Bf8 Ned6 39.Ke2–+) 37.Bh6 hg4 38.Bg7 gh3 39.Bf6 Nd6 40.Be7 Kc6 41.Kg1 Nf5 42.Bb4 Ng3 (42...Ng3 43.Kh2 Ne2–+) 0–1. Sawamura,Tetsushi – Azuma,Noriyuki, JPN op4 email, 2002.

7.d4 Bf5

8.e3 Na6 9.Ba6 Qa6 10.Ne2 e6 11.Qd2 Nf6 12.0–0 Ne4 13.Qd3 Qd3 14.cd3 Nc3 15.Nec3 (better is 15.Nbc3 Bd3 16.Ra1–+) 15...Bd3 16.Rd1 Bb1 (better is 16...Ba6!?–+) 17.Rb1 Bd6 18.b5 c5 19.b6? (better is 19.dc5 Bc5 20.Rc1–/+) 19...cd4–+ 20.ed4 Kd7 21.Nb5 Bf4 22.g3 Bg5 23.f4 Bf6 24.Rc1 Rc8 25.Rc8 (25.Rc7 Rc7 26.bc7–+) 25...Kc8 26.Nd6 (26.Kf2–+) 26...Kd7 27.Nf7 (27.Nb5 Kc6 28.Na3 Bd4 29.Kf1 Kb6–+) 27...Bd4 28.Kf1 Bb6 (better is 28...Bf6 29.Ke1–+) 29.Ne5 Kd6 30.Ke2 Bd4 31.Nf7 Ke7 32.Ng5 h6 33.Nf3 Bf6 34.Kd3 Kd6 35.g4 (35.Kc2 b5–+) 35...b5 (35...g5 36.fg5 hg5 37.Ke3–+) 36.g5 (36.h4 b4–+) 36...hg5 37.fg5 Be7 38.Kd4 b4 (38...Bd8 39.Kc3 e5 40.h4–+) 39.h4 Kd7 (39...Bd8!? 40.Nd2–+) 40.Ne5 Kc7 (40...Ke8 41.Ng4–+) 41.Nd3 (41.Nf7 Kc6–+) 41...Bd6 (41...Kd8!? 42.Nf2–+) 42.h5 Kc6 (better is 42...Bf8!?–+) 43.h6–/+ gh6 44.gh6 Bf8 45.Nb4 Kd6 (45...Bb4?? 46.h7 e5 47.Ke3 Bc5 48.Ke2+–) 46.h7 Bg7 47.Ke3 d4 48.Ke4 e5 49.Nd3 Ke6 50.Nc5 Kf6 51.Nd7 Ke6 52.Nf8 Kf7 53.Nd7 Ke6 54.Nf8 Kd6 55.Ng6 Ke6 56.h8Q?? (better is 56.Nf8! Kf6 57.Nd7 Kg6 58.Ne5 Be5 59.Ke5 Kh7 60.Kd4=) 56...Bh8–+ 57.Nh8?? (57.Nh4–+) 57...Kd6 (57...Kf6 58.Kf3 Kg7–+) 58.Nf7= Ke6 59.Ne5 Kd6 60.Kd4 ½–½. tedrik – ptrkk, kurnik, 2014.

8.e3 e6 9.Bd3 Bg6 10.Nf3 Bb4 11.Ne5 Bc3 12.Nc3 Nf6 13.0–0 Nbd7 14.Ng6 hg6 15.h3 e5 16.de5 Ne5 17.e4 (17.Qa1 Nd3 18.cd3 0–0+=) 17...Nd3 18.cd3 de4 19.Ne4 Ne4 20.de4 0–0 21.Re1 Rd8 22.Qg4 Qb4 23.Re3 Qd4 24.h4? (better is 24.Qf4–/+) 24...Qd1–+ 25.Qd1 Rd1 26.Kh2 Rd2 27.Rb3 b5 (27...Rd7 28.Kg3–+) 28.f3 (28.Rc3 Rd6–+) 28...Rc2 29.Kg3 Kf8 30.Kf4 Ke7 (30...Rg2?! 31.Rc3+=) 31.g4 Kd6 (31...Ke6 32.Ke3 Ra2 33.Rc3–+) 32.e5? (32.Rd3 Ke6 33.Rd8 Ke7–+) 32...Kd5 (better is 32...Ke6!? 33.Ra3 Rc4 34.Ke3 Ke5 35.Ra7–+) 33.Rd3 Kc5?? (33...Ke6 34.Rd6 Ke7 35.Rd4–+) 34.Ke4?? (better is 34.Rd7 b4 35.Rf7=) 34...Rc4–+ 35.Ke3 b4 36.f4 Rc3 37.f5 Rd3?? (37...gf5 38.gf5 Kc4 39.Rc3 bc3–+ (39...Kc3?? 40.e6 b3 41.ef7+–)) 38.Kd3+= Kd5 39.fg6?? (better is 39.e6 fe6 40.f6 gf6 41.h5 gh5 42.gh5=) 39...fg6–+ 0–1. iczker – trus (1695), kurnik, 2014.

7.e3 f6

8.Bd3 e5 9.Qh5 Kd8 10.Qh4 (10.b5 Nh6+=) 10...Be7 (10...Na6 11.Ba6 Qa6 12.Be5–/+) 11.f3 (11.Qg3 Bf8 12.Qh4 Na6 13.Ba6 Qa6 14.Be5 Bf5–/+) 11...f5 (better is 11...Na6–/+) 12.Qg3+= d4 13.Qe5 (better is 13.ed4!? ed4 14.Qb8 (worse is 14.Qg7 Bf6 15.Qf8 Kc7–/+) 14...dc3 15.Bf5 cd2 16.Nd2+=) 13...dc3+= 14.Qg7?? (better is 14.Qb8 cd2 15.Ke2 d1B 16.Kd1 Qb4 17.Nd2–+) 14...cd2–+ 15.Nd2 Bf6 16.Qf8 Kc7 17.Ne2 (17.Nc4 Bc3 18.Kf2 Qb4 19.Qb4 Bb4 20.Ne2–+) 17...Qb4 (better is 17...Nd7 18.Qf7 Qe3–+) 18.Qb4+– (18.Qb4 Nd7 19.Nc4+–) 1–0. polynesia46 (1640) – krystian97 (1665), kurnik, 2014.

8.Nf3 e5 9.Be2 Bb4 10.Ne5 Bc3 11.Bh5 Kf8 12.Nc3 fe5 13.Qf3 Nf6 14.g4 Ke7 15.g5 Nh5 16.Qh5 g6 17.Qf3 Rf8 (better is 17...Nd7!? 18.Qd1–+) 18.Qd5 Qc7 (18...cd5 19.Nd5) 19.Qc4 Be6 20.Qb4 c5 21.Qh4 Kd8 22.Ke2 Qf7 23.Qg3 Nd7 24.Qg2 b5 25.Nb5? (25.d3 b4 26.Nb5–+) 25...Bc4 26.d3 Bb5 27.Rb1 Bc6 28.e4 Qa2 29.Qg1 (29.Rc1–+) 0–1. Van der Linden,Arie – Ackermann,Robert, Kleve op, 1999.

7.e3 Nf6=

8.Na3 Ne4 9.Bd3 Nc3–+ 10.dc3 Qa7 11.Qc1 e5 12.e4 de4 13.Be4 f5 14.Bd3 e4 15.Bc4 Bd6 (15...Na6!? 16.Nh3 Nb4–/+) 16.Ne2+= Be5 17.Qb2 (better is 17.0–0!?=) 17...b5–/+ 18.Bb3 Na6 19.Ba2 Nc7 20.Nd4 Bd7 21.0–0 c5 (21...Ke7!? 22.Rd1 Kf6–/+) 22.bc5+= Qc5 23.Rb1 Bd6 24.Nab5 Nb5 25.Nb5 Be5 Attacking the isolated pawn on c3 26.Qb3 e3 27.Qf7 (27.Nd4!? ef2 28.Kf1+=) 27...Kd8= 28.Nd4 Qc3 29.Ne6 (29.Nf5?? e2 30.Qe7 Kc7–+) 29...Be6 30.Be6 ef2 31.Kf1 Qd2 32.Bf5 Qd4?? (better is 32...Re8!? 33.Bd3 Bd6 (33...Bh2?? 34.Qd5 Ke7 35.Rb7 Bc7 36.Rc7 Kf6 37.Rf7) 34.Qf2 Qf2 35.Kf2 Rf8 (35...Bh2? 36.g3+–) 36.Ke3 g6=) 33.Bd3 (better is 33.c3 Qd2 34.Qb3 Bh2 35.Rd1 Qd1 36.Qd1 Ke7 37.Qd7 Kf6 38.Qe6 Kg5 39.Bc2+–) 33...Bh2 34.Qh5?? (34.g3!? Bg3 35.Qf3 Re8 36.Qg3 Re1 37.Re1 fe1B 38.Ke1 h6+–) 34...Bc7 (34...Be5 35.Qf3 g6 36.Be2=) 35.Qg5 (35.Rd1!? Qb6 36.Ba6 Ke7 37.Qg5 Qf6 38.Qc5 Bd6 39.Qa7 (39.Qf2?! Rf8 40.Qf6 Rf6 41.Ke2 Re6 42.Kd3 Bc5=) 39...Kf8 40.Qa8 Ke7 41.Qh8+–) 35...Kd7 36.Qg4?? (36.Rd1 Qf6 37.Qg4 Ke7 38.Bb5+–) 36...Qg4–+ 0–1. tedrik – baroszka (1790), kurnik, 2014.

8.Qc1 Ne4 9.Qb2 Nc3 10.Nc3 e6 11.b5 Nd7 12.f4 Nf6 13.Nf3 Bd6 14.Bd3 0–0 15.0–0 Bf4 16.Na4 Qa5 17.ef4 Qa4 18.bc6 bc6 19.Nd4? (better is 19.Ne5!?=) 19...c5–/+ 20.Bb5?? (better is 20.Nb5–/+) 20...Qd4–+ (20...Qd4 21.Qd4 cd4–+) 0–1. jeglin – mistrw123, kurnik, 2014.

8.Nf3 Na6 =.

8.Nf3 Ne4 9.Bd3 Nc3 10.dc3 Bg4 11.h3 Bh5 12.g4 Bg6 13.h4 Nd7 14.h5 Bd3 15.cd3 e5 16.Qa4 Be7 17.Nbd2 0–0 (18.e4 de4 19.Ne4 Qd8=). Waibel,Ulrich (1650) – Feldtmann,Peter (2025), remoteschach.de, 2005.

8.Bf6 ef6=+ 9.c3 Bd6 10.d4 0–0 11.Bd3 f5 (11...Re8 12.Qh5 g6 13.Qf3=+) 12.Qc2 g6 13.Ne2 Nd7 14.Nd2 Nf6 15.0–0 Qc7 Black prepares the advance f4 16.g3 Re8 17.Ra1 f4 (17...Ne4!?=) 18.Nf4+/– Bf4 19.ef4 Bg4 20.Nf1 (20.f5 b6+/–) 20...Bf3+= 21.Nd2 Bg4 22.Kg2 Nh5 (22...b6 23.f5+/–) 23.Nf1 Qd7 24.f5 Ng7 (24...Bf5 25.Bf5 Qf5 26.Qf5 gf5 27.Ra7+/–) 25.Ne3 (25.fg6 Bh3 26.Kg1 fg6+/–) 25...Bf5+= 26.Bf5 Nf5 27.Nf5 gf5 28.Qd2 Qe6 29.Qg5 Qg6 30.h4 (30.Qh4 b6+=) 30...Qg5 (30...h6 31.Qf4+=) 31.hg5 Kg7 32.Ra7 Re7 33.f4 (33.Kf3 Kg6 34.b5 cb5=) 33...f6+= 34.gf6 (34.b5 cb5 35.gf6 Kf6 36.Ra5=) 34...Kf6= 35.Kf2 b5 36.Re7 Ke7 37.Kg2 Kf6 38.Kh3 (38.Kf3 Ke6=) 38...Kg6 (38...h5 39.Kh4 Kg6 40.Kh3=) 39.Kh4 (39.g4 fg4 40.Kg4 Kf6=) 39...Kh6 (39...h5 40.Kh3=+) 40.Kh3 (40.g4 Kg6=) 40...Kh5 41.g4? (better is 41.Kg2=) 41...fg4–+ 42.Kg3 h6 43.f5 Kg5 44.f6 Kf6 45.Kg4 h5?? (better is 45...Kg6–+) 46.Kh5=+ Kf5 47.Kh4 Ke4 (48.Kg4 Kd3–+) 0–1. De Cat,Ben – Van Hal,M, NATO–ch Germany, 1989.

8.Bf6 gf6 ½–½. Benassi,Aspasio – Grobler, England–Italy, 1995.

6.Bc3 Nf6

7.Na3 d5 8.e3 Ne4 9.Nf3 Bf5 10.Nd4 Bg6 11.Bd3 e5 12.Nf3?? (better is 12.Be4 Be4 13.Nf3–/+) 12...Nc3–+ (12...Bb4?! 13.Be4 Be4 14.Qb1–/+) 13.dc3 e4 14.Ne5 ed3 15.cd3 Nd7 (better is 15...Bb4 16.Qb3 Bc5 17.Qb6 Bb6 18.Kd2–+) 16.Nf3 (16.Ng6 hg6 17.Nc2 Bd6–+) 16...Bd6 (16...Bb4!? 17.Nb1 Bd6 18.0–0–+) 17.0–0 0–0 (better is 17...Qa6 18.Qb3 Bd3 19.Ra1–+) 18.h3 (18.Nc2 Qa6 19.c4 Nf6–+ (worse is 19...dc4 20.dc4 Bb8 21.Qd7 Bc2 22.Qd4–+)) 18...Re8 (18...Qa6!? 19.Qb3 Ra8 20.Nc2 Bd3 21.Rd1–+) 19.Qd2 (19.Nc2 Qa6 20.c4 Nf6–+ (worse is 20...dc4 21.dc4 c5 22.b5–+)) 19...Qc7 (better is 19...Qa6 20.Ra1 Qd3 21.Qd3 Bd3 22.Ne1–+) 20.Nc2 Nf6 21.Ncd4 Be5 (21...Ra8 22.Nh4–+) 22.Nb3 (22.Ne5 Qe5 23.Ra1 h6–+) 22...h6 23.Nc5 (23.Ne5 Qe5 24.Ra1 b6–+) 23...b6 24.Nb3 Bd6 25.Nh4 Bh7 26.Nd4 Qd7 27.f4 c5 28.bc5 bc5 29.Ndf3 Qe7 30.Re1 c4 31.f5 (31.dc4 dc4 32.g4 Bc5–+) 31...cd3 32.Qd3 Qe4 (32...Qe4 33.Qd4 Qc2–+) 0–1. polynesia46 – bobby7, kurnik, 2014.

7.d3 d5 8.Nf3 Nbd7 9.e3 e6 10.Qd2 c5 11.Bf6 Nf6 12.Be2 cb4 13.0–0 Bd6 14.h3 Bd7 15.c4 dc4 16.dc4 0–0 17.Qb2 Ne4 18.Nfd2 Ng3! 19.Re1 (19.fg3 Qe3 Double attack) 19...Ne2 20.Re2 Bc6 21.Nf3 Bf3 22.gf3 Qc6 23.Nd2 b5 24.cb5 Qb5 25.Re1 Be5 26.Qb3 Bc3 27.Rd1 Qe2 28.Ne4 Qf3 29.Nc3 bc3 30.Rc1 Qh3 31.Qc3 Qg4 32.Kf1 Rd8 33.Qc6? (33.Qc8 Qg5 34.Qc2–+) 33...Rd1 34.Rd1 Qd1 35.Kg2 Qd5 36.Qd5 ed5 37.Kg3 h5 38.Kf4 f6 39.Kf5 (39.Kg3 g6–+) 39...Kf7 (better is 39...g5 40.f4–+) 40.f3 (40.Kf4 Ke6–+) 40...g6 (better is 40...g5 41.e4 d4 42.e5–+) 41.Kf4 Ke6 42.Kg3 g5 43.Kh3 f5 44.Kg3 h4 45.Kh3 Ke5 46.Kg2 f4 (46...f4 47.Kh3 fe3–+) 0–1. kianas – PeterRs, ChessWorld.net, 2012.

7.e3 d5 8.d3 e6 9.Qd2 (9.Bf6!? gf6 10.c3+=) 9...Na6 10.Bf6 gf6 11.c3 c5 12.Qb2 cb4 13.Be2 Bd7 14.Nf3 Bc5 15.d4 bc3 16.Qb6 Bb6 17.Nc3 Nb4 18.0–0 0–0 19.Rb1 Ba5 20.Bb5 Bb5 21.Nb5 b6 22.h4 Nd3 23.h5 e5 (better is 23...Rc8!? 24.Rd1 Nc1–/+) 24.Nd6= e4 25.Nh4 Bb4 26.Nb5 Kh8 (26...Rc8 27.Nf5+=) 27.Nf5 Ba5 28.Nc7 b5? (better is 28...Nb4+=) 29.Nd5+– b4 30.Nf6 Bd8? (30...Rb8+–) 31.Ne4 h6 (31...Ba5 32.Kf1 Rc8 33.h6+–) 32.Nc5 (better is 32.Kf1 Bg5 33.Ke2 Nf2 34.Kf2+–) 32...Nc5 33.dc5 Bf6 (33...Ba5+–) 34.Rb4 Rc8 35.Rc4 Be7 (35...Kh7 36.c6 Be5 37.f4+–) 36.c6 (better is 36.Ne7 Rc7 37.Nd5 Rc6+–) 36...Bd8 37.Nh6 (37.Nh6 Bc7 38.Nf7 Kg7 39.Ng5+–) 1–0. pavka66 (1610) – iczker, kurnik, 2013.

7.e3 Nd5 8.Nf3 Nc3 9.dc3 e6 10.Bd3 Be7 11.0–0 d6 12.Qd2 0–0 13.c4 c5 14.b5 Nd7 15.c3 Ne5 16.Be2 Nf3 17.Bf3 Bf6 18.e4 e5 19.Rd1 Be7 20.Qe2 Bg5 21.h3 h6 22.Bg4 Bg4 23.hg4 Qd8 24.f3 b6 25.Qd3 Be7 26.Nd2 f6? (better is 26...Qa8!?=) 27.Nf1 Kh7 28.Ne3 g6 (28...Qa8 29.Kf2+/–) 29.Nd5 h5? (better is 29...Rf7+–) 30.gh5 gh5 31.Ne7 Qe7 32.Qd6 Qd6?! (32...Qg7 33.Qe6 Qg5 34.Qb6 Rg8 35.Qa7 Rg7+–) 33.Rd6 h4 (33...Ra8 34.Rb6 Ra1 35.Kh2 Rc1+–) 34.Rb6 Kg6 35.Rc6 Rd8 36.Rc5 Rd1 37.Kh2 Rd3 (37...Rb1+–) 38.b6 Rc3 (38...Rd8+–) 39.b7 Rb3 40.Rb5 Rf3 41.gf3 f5 (41...Kh5 42.b8Q Kg5 43.Qh8 Kf4 44.Rb3 Kg5 45.Qg8 Kh6 46.Rb7 Kh5 47.Rh7) 42.b8Q fe4 (42...Kh5 43.Qe5 Kg6 44.Qf5 Kg7 45.Rb7 Kh6 46.Rh7) 43.Qe5 ef3 (43...Kh7 44.Qe7 Kg6 45.Rg5 Kh6 46.Qg7) 44.Qg5 (44.Qf5 Kg7 45.Rb7 Kh6 46.Rh7) 44...Kf7 45.Rb6 (45.Rb7 Ke6 46.c5 f2 47.Re7) 45...f2 46.Kg2 (46.Rf6 Ke8 47.Qg8 Kd7 48.Qg7 Kd8 49.Rf8) 46...f1N (46...h3 47.Kf2 h2 48.Qh5 Kg7 49.Rb7 Kf6 50.Rf7 Ke6 51.Qd5) 47.Kf1 h3 48.Qf5 Kg7 (48...Ke7 49.Qh7 Kd8 50.Rb8) 49.Qd7 Kf8 50.Rb8 1–0. bauska18 – mielonka55, kurnik, 2014.

7.e3 g6 8.Nf3 Bg7 9.Be2 0–0 10.0–0 d6 11.Na3 Be6 12.Nc4 Bc4 13.Bc4 Na6 14.Qb1 Rc8 15.Nd4 (15.Qb2!?+=) 15...Ne4+= 16.Qb3 Nc3 (16...d5 17.Ba6 Qa6 18.b5 cb5 19.Qd5 Nc3 20.dc3 Rc3 21.Qd8 Bf8 22.Qb8–/+) 17.dc3 (17.Bf7 Kh8 18.dc3 Rf8+/–) 17...Nc7 (17...d5 18.Ba6 Qa6 19.b5+=) 18.h3?? (better is 18.Bf7 Kh8 19.Ra1+/–) 18...d5+= 19.Be2 Ne6 20.Ne6 fe6 21.Bg4 c5 (21...Kf7 22.c4+=) 22.Rb1 (22.bc5!? Qa6 23.Rb1+=) 22...c4+= 23.Qa3 Qd6 24.Rd1 Rd8 25.Qa5 b6 (25...Bc3? 26.Be6 Kg7 27.Rd5 Qe6 28.Rd8+–) 26.Qa3 Kf7 27.f4 h5 28.Be2 Kg8 29.Bf1 (29.g3 b5=) 29...Kh7 30.Qa1 e5 31.Bc4 ef4 1–0. ventil – tommy1, kurnik, 2014.

7.Bf6 gf6 8.c3 d6 9.Qc2 f5 10.e3 Rg8 11.g3 e6 12.Ne2 Nd7 13.d4 Nf6 14.Nd2 d5 15.Nf4 Ne4 16.Ne4 fe4 17.Be2 f6 18.f3 f5 19.Nh5 (19.fe4!? fe4 20.Bh5 Ke7 21.Qf2+/–) 19...ef3= 20.Bf3 Ke7 21.0–0 Bd7 22.Kh1 Bh6 23.Nf4 Be8 24.Rb1 Bg6 25.Qd3 (worse is 25.Ng6 hg6 26.Qd3 e5+=) 25...Ra8 26.c4 Ra4 27.cd5 cd5 28.Qb3 Qa7 29.b5 Bf4 30.gf4 (worse is 30.ef4 Qd4 (worse is 30...Rd4 31.Rc1+=) 31.Qc2 Be8+=) 30...Qa5 31.Qd1 Ra2 32.Qg1 Qd2 33.h4 Qf2 34.Qf2 Rf2 35.Bd1 Be8 36.Kg1 Rd2 37.Bf3 Kd6 38.b6 Ba4 39.Ra1 Bb5 40.Ra8 Be2 41.Bg2 h5 42.Rb8 Ba6 43.Rh8 (better is 43.Bf3!?=) 43...Re2+= 44.Rh5 Re3 45.Rh8 Ke7 (better is 45...Rd3 46.h5 Rd1 47.Kh2 Rd4 48.Rd8 Ke7+/–) 46.h5+= Rd3 (46...Re1 47.Kh2+=) 47.h6+/– Kf7 48.h7 (better is 48.Re8! Kg6 49.Re6 Kh7 50.Bd5 Rd4 51.Re7 Kh6 52.Bb7 Bb7 53.Rb7 Rf4 54.Rb8+=) 48...Kg7+= 49.Re8 Kh7 50.Re6 Rd4 51.Rd6 (51.Kf2 Kg7=) 51...Kg7 (51...Rf4 52.Bd5 Rg4 53.Kf2+=) 52.Kf2 (52.Rd5!? Rb4 53.Rf5 Rb6 54.Rg5 Kf6 55.Be4=) 52...Rf4+= 53.Ke3 Rb4 54.Bd5 (54.Rd5? Kf6–+ (54...Rb6?! 55.Rf5 Bb5 56.Rc5+=)) 54...f4 55.Kf3 Kf8 56.Re6 Rd4 ½–½. Jamieson,Ian (1725) – Helbig,Paul (2015), East Devon op, 2008.

6.c4 Qb4

7.e3 Qa5 8.Bc3 Qc7 9.Qa4 Na6 10.d4 Nf6 11.Bd3 e6 12.Nf3 Be7 13.0–0 d6 14.Nbd2 0–0 15.Rb1 Nd7 16.c5 (better is 16.Qb3!?=) 16...dc5–/+ 17.Ba6 ba6 18.Nc4 Bb7 19.Ba5 Qc8 20.Nfe5 cd4 21.ed4 Ne5 22.de5 c5 23.Nd6 Bd6 24.ed6 Bc6 25.Qd1 Qd7 26.h4 c4 27.Qd4 Rc8 28.Bc7 Bb5 29.h5 h6 30.Rc1 Rc7 31.dc7 Qd4 32.c8Q Kh7 33.Qb7 Qd2 34.Qe4 f5 35.Qb1 Qg5 36.Rc3 Qh5 37.Qe1 Qg6 38.Rg3 Qf6 39.Re3 Qd4 40.Re6 c3 41.Qc1 f4 42.Re1 Ba4 43.Qa1 Qd2 44.Re7 Bd7 45.Qe1 Qe1 46.Re1 c2 47.Ra1 Ba4! 48.Kf1 a5 49.Ke1 Bb3 50.Kd2 a4 51.Re1 g5 52.Re5 Kg6 53.Ra5 h5 54.Ra6 Kf5 55.Ra5 Kg4 56.Rb5 Kh4 57.Ra5 Kg4 58.Rb5 Bc4 59.Ra5 Bf1 60.g3 Bd3! 61.Ra4 h4 62.gf4 gf4 63.Ra1 Be4 64.Rg1 Kf3 65.Rh1 Kg4 66.Rg1 Kf3 67.Rh1 Kf2 68.Rh4 Kg3 69.Rh8 f3 70.Rg8 Kf4 71.Rc8 Bf5 72.Rc5 f2 73.Ke2 Kg3 74.Rc7 Bh3 (74...Bh3 75.Kd2 f1Q 76.Rc3 Kf4 77.Kc2 Bf5 78.Kb3 Qb1 79.Kc4 Qb2–+) 0–1. Svenninggaard,T (2160) – Pedersen,Jan1 (2390), 50th TCh–DEN XtraCon, 2011.

7.e3 d5 8.Bc3 Qb6 9.cd5 cd5 10.Bd4 =+.

7.e4 d6 8.Bc3 Qb6 9.d4 Nf6 10.Bd3 Nbd7 (10...Na6 11.Nd2=+) 11.e5= Ng8 12.ed6 ed6 13.Nf3 Ngf6 14.0–0 Be7 15.Re1 Qc7 16.Qe2 Nb6?? (better is 16...Nf8+=) 17.Ba5+– 0–0 (17...Be6 18.Ng5 Bd8 19.Bf5+–) 18.Qe7 Qe7 19.Re7 Na4 20.Bc7 Re8 (20...Nb2 21.Bf1 d5 22.c5+–) 21.Bd6 Bg4 (21...Nb2 22.Be2 Re7 23.Be7 Bf5+–) 22.Rb7 Bf3 23.gf3 Nh5 (23...Ra8 24.Bc2 Ne8 25.c5+–) 24.Bc2 Ra8 (24...Nc5 25.dc5 g5 26.Be4+–) 25.Ba4 (25...Nf6 26.Bc6+–) 1–0. market (2170) – rapunsel (1905), GameColony.com, 2002.

7.e3 d6

8.Bc3 Qb6 9.d4 e6 10.Nd2 Be7 11.Qg4 g6 12.Bd3 d5 (12...Na6 13.Ngf3=) 13.Ne2 f5 (13...Nf6 14.Qf3=) 14.Qg3 Na6 15.0–0 (15.c5 Qc7=) 15...Nf6 (15...Qc7 16.Qf3=) 16.Ra1 (16.c5 Qc7=) 16...0–0 (16...Qc7 17.Nf4=) 17.Nf4 (17.c5 Qc7 18.Nf4+=) 17...Kf7 (better is 17...Ne4!? 18.Ne4 fe4=) 18.c5+/– Qa7 19.Nf3 (19.Ba5 Ne4 20.Ne4 fe4+/–) 19...Nd7 (19...Ne4 20.Be4 fe4 21.Ne5 Ke8 22.Qh3+/–) 20.Qh3+/– Rh8 21.Qh6 Bf8 22.Ng5 ½–½. Woschkat,Karl_Heinz – Hasler,Ulrich, GM–95 CiF, 1995.

8.Bc3 Qb6 9.d4 Bf5 10.Bd3 Bd3 11.Qd3 Nf6 12.Nf3 Nbd7 13.0–0 e6 14.Nbd2 Be7 15.Rb1 Qc7 16.Ra1 0–0 17.e4 d5 18.Qe2 de4 19.Ne4 Ne4 20.Qe4 Nf6 21.Qb1 b5 22.Ba5 Qb7 ½–½. Rosner,Dirk – Plitzko,Christian, DESC, 2001.

8.Bc3 Qb6 9.d4 Nf6 10.Bd3 =+.

8.Nf3 Bf5 9.Nc3 –/+.

8.f4 Bf5 9.Nc3 =+.

8.f4 Nf6 9.Nf3 (9.Bc3 Qb6=+) 9...Bg4 (9...Bf5 10.Nc3=+) 10.Be2 (10.Bc3 Qb6=+) 10...Nbd7 (10...Bf3 11.gf3 Nbd7 12.Bc3=+) 11.0–0 (11.Bc3 Qb6=+) 11...e6 12.d4 (12.Bc3 Qb6=+) 12...Be7 (12...Ne4 13.Nbd2 Nc3 14.Qe1–/+) 13.Nbd2 (13.Bc3 Qb6=+) 13...0–0 14.Qc2 (14.Qb1 Qb1 15.Rb1 Ra8–/+) 14...d5 (14...b5 15.cb5 cb5 16.Qd3=+) 15.Bc3 Qd6 16.Bd3 (16.c5 Qc7=+) 16...Bf3 (16...b6 17.Ne5=+) 17.gf3 (17.c5 Qc7 18.Nf3 Ra8=+) 17...Qc7 (17...Ra8 18.c5 Qc7 19.Rb1–/+) 18.Ra1 b6 19.Ra6 dc4 (19...Rb8 20.Bb2–/+) 20.Nc4 b5 (20...c5 21.dc5 Bc5 22.Kg2–/+) 21.Ne5=+ Qb7 Black prepares b4 22.Ra1 b4 23.Bb2= c5 24.Nd7 Qd7 25.dc5 Bc5 26.Bh7 Nh7 27.Qc5 Qd3 28.Qe5 Nf6 29.h4 Qe2–/+ 30.Rf1 Rd8 Black gets in control 31.Bd4 Qd2 32.Rf2 Qe1 33.Kg2 Rc8 34.e4 Rc1–+ The mate threat is Qh1 35.Kg3 Kh7 36.h5 Rd1 37.h6? Qg1 38.Rg2 Qd4 39.hg7 Qe5 40.fe5 Nh5 41.Kg4 Ng7 42.Rb2 Rd4 43.Kf4 Nh5 44.Kg5 Ng7?? 45.Kf6?? Rd3–+ 46.Rb4 Rf3 47.Ke7 Nh5 48.Rb2 Kg6 49.Rb8 Kg7 50.Rb1 Nf4 (51.Kd6 Rd3 52.Kc6 Rd4 53.Rg1 Ng6–+) 0–1. Springer – Bendig,Frank, corr, 1988.

8.Nf3 e5

9.Qc2 Na6 10.Bc3 Qb6 =+.

9.Qc2 Na6 10.Be2 Nc5 11.Bc3 Qa4 12.Qa4 Na4 13.d4 –/+.

9.Qc2 Na6 10.Be2 Be7 11.0–0 (11.Bc3 Qb6=) 11...Nf6=+ 12.h3 (12.Nc3 0–0=+) 12...0–0 13.Bc3 Qb6 14.d3 c5 (14...Bf5 15.e4 Be6 16.Nbd2–/+) 15.Na3 Bd7 16.Rb1 Qa7 (16...Qc6 17.Nd2 Qc8 18.Bf3=+) 17.Qb2 Bc6 18.Nd2 (18.Nb5 Qb8=+) 18...Nc7 (18...Ra8 19.Nb5 Qb6 20.Ra1=+) 19.Bf3 (19.Ra1 Ra8=+) 19...Bf3 20.Nf3 Rb8 21.Nb5 Nb5=+ 22.Qb5 b6 23.Ra1 Qd7 24.Qd7 Nd7 25.Ra7 Rd8 26.Rb7 Kf8 27.e4 (27.Kf1 Bf6=). Muster,Wolfgang – Diener,Rudolf, corr, 1982.

9.Qc2 Nf6 10.Bc3 Qb6 11.d4 =+.

9.Bc3 Qb6 =+.

9.Be2 Nf6 10.0–0 Be7 11.Qc2 0–0 12.d4 e4 13.Nfd2 (13.Bc3 Qb6 14.Nfd2 Bf5–/+) 13...d5 14.c5 Qa5 15.Nc3 Qc7 (15...b5 16.cb6 Qb6 17.Rb1–/+) 16.Rb1 Ng4 Threatening mate: Qxh2 17.g3 (17.Nf1 Bh4 18.Nd1 Nf6=+) 17...Qd7–/+ 18.Qd1 Nf6 19.Qf1 Qc7 (19...Qf5 20.f3 ef3 21.Bf3–/+) 20.Na4 (20.f3 ef3 21.Qf3 Re8–/+) 20...Bg4 21.Bg4 Ng4 22.Bc3 Nd7 23.f3 ef3 24.Qf3 f5 (24...Ngf6 25.Qf4 Qc8 26.g4–/+) 25.Qf4=+ Qd8 26.Qf3 Bg5 27.Nf1 Qa8 28.Nb2 (28.Rb4 Qa6–/+) 28...Qa2 29.Rc1 Ngf6 30.Nd1 Ne4 31.Be1 g6 32.Nc3 Nc3 33.Bc3–/+ Nf6 34.h4 Bh6 35.Ra1 Qb3 36.Be1 Re8 37.Bf2 Ng4 38.Kg2 Qb2 39.Re1 Bg7 40.Re2 Qb3 41.h5 Ra8 42.hg6 hg6 43.Rd2 Bh6 44.Qe2 Qb1 45.Rb2 Qe4 46.Qf3 Qe7 47.Re2 Ra1 48.Bg1 Nf6 49.Nd2 Ra3 50.Nb1 Rb3 51.Nd2 Rb2 52.Nf1 Re2 53.Qe2 Qe4 54.Qf3 Qc2 55.Qf2 Qd3 56.Qf3 Ne4 57.g4 Qc2 58.Kh1–/+ Ng5 59.Qg2 Qe4 60.Qe4 fe4 61.Kg2 Nf3 62.Bf2 Kf7 63.Bg3 Bg7 64.Bc7 Nd4 65.ed4 Bd4 Black gets the initiative 66.Bb6 Ke6 67.Ng3 Be3 68.Kf1 Ke5 69.Bc7 Kd4 70.Ke2 Bg5 71.Bd6 Kc4 72.Bf8 Bf4 73.Bd6? Bg3–+ 74.Bg3 Kc5 75.Ke3 b5 76.Be5 Kc4 77.Kf4 Kd3 (78.Kg3 b4–+) 0–1. St_Jean,Benoit – Luehrig,Walter, Orang–Utan Invitational, 2001.

7.e3 e6

8.Bc3 Qb6 9.Nf3 Na6 (9...Nf6 10.d4=) 10.d4 Nf6 11.Nbd2 Be7 12.c5 Qc7 (12...Qd8 13.Nc4 d5 14.Ba5=) 13.Nc4 d5 (13...d6 14.cd6 Bd6 15.Nd6 Qd6 16.Qb3=) 14.cd6 (14.Ba5 Qb8 15.Nce5 Qa8=) 14...Bd6 15.Nd6 Qd6 16.Ba6 (16.Ne5 0–0=) 16...Qa3 (16...ba6 17.Qa4=+) 17.Qa1 (17.0–0 Qc3 18.Bd3 0–0=) 17...Qa1 (17...Qa6 18.Qa6 ba6 19.Ne5=+) 18.Ba1 ba6 19.Ne5 ½–½. Kuhlmann,Antonius Egidius J – Hallila,Erkki, corr ICCF TT–4–90, 1993.

8.Nf3 d5 9.Qc2! Nd7 10.Bc3 (10.Be2 Ngf6 11.0–0; 10.Bb2! A) 10...Qa5 11.Be2 Ngf6 12.0–0 Be7 (12...Bd6 13.d4!); B) 10...Ngf6 11.Be2 (11.Ba3 Qa5 12.Bf8 Nf8) 11...Be7 12.0–0 0–0? 13.Ba3) 10...Qb6 11.d4 Bb4!? (11...Ngf6 12.c5!; 11...dc4? 12.Bc4) 12.Nbd2 (12.c5 Bc3 13.Nc3 Qc7 14.Bd3 Ngf6 15.0–0 0–0) 12...Bc3 13.Qc3 Ngf6 14.Be2 0–0 15.0–0 Qc7 16.Ra1 Re8! 17.h3 e5! 18.de5 Ne5 19.Ne5 Re5 20.Ra8 Re8 21.Nf3 Be6 22.Re8 Ne8 23.Nd4 (23.c5?! Nf6 24.Nd4 Ne4 25.Qa3 Kf8!) 0–1. Muster – Schuehler, corr 1982.

8.Nf3 d5 9.Bc3 Qb6 10.Be2 Nd7 11.0–0 Ngf6.

8.Nf3 d5 9.cd5 ed5 10.Nc3 Nf6 11.d4 (11.Be2 Bg4–/+) 11...Bd6 (11...Ne4!? 12.Qc1 Qa5 13.Ke2–+) 12.Bd3–/+ Bg4 13.0–0 Nbd7 14.Qc2 Qb6 15.Rb1 Qc7 16.Qb2 b5 17.h3 Bf3 18.gf3 0–0 0–1. Fabik,Jan (1645) – Fridrich,Michal (1870), Bohemia South–chT, 2004.

7.e3 Nf6

8.Bc3 Qb6 9.Qc2 d6 (9...Na6 10.Nf3=+) 10.Nf3 (10.d4 Na6=+) 10...e5–/+ 11.Be2 Be7 12.0–0 Bg4 13.h3 Bh5 (13...Be6 14.d4 e4 15.Ng5=+) 14.d3 (14.Qf5 Nbd7 15.d4 Bg6–+) 14...0–0 15.Nbd2 Nbd7 16.Ra1 Qc7 17.Nf1 (17.d4 Bg6 18.Qb3 e4=) 17...b5–/+ 18.Ng3 Bg6 19.Ba5 (19.Nh4 d5–/+) 19...Qb7 20.Nh4 Ra8 (20...d5 21.Ngf5 Bf5 22.Nf5=+) 21.Ngf5 (21.cb5 cb5 22.Qb2 b4=+) 21...Bf8 22.cb5 cb5 (22...Qb5 23.Bc3 Ra1 24.Ba1=+) 23.d4–/+ b4 (23...Rc8 24.Qb3=) 24.Qb2 Bf5 25.Nf5=+ e4 Black gets the initiative 26.Bc4 Qc6 27.Qe2 Nb6 28.Bb5 Qc8 29.g4 d5 30.Qf1 Nc4–+ 31.Bc4 dc4 32.Bb4? Ra1 33.Qa1 Bb4 34.Qb2 Bf8 35.Qc2 Nd5 36.Qe4 0–1. Zimmermann,Joerg – Schaefer,Uwe, HFK.069.02 ETC, 2003.

8.Bc3 Qb6 9.Nf3 d5 10.cd5 cd5 11.Bd4 Qc7?? (11...Qd8 12.Bf6 gf6 13.Bb5 Nc6 14.0–0+=) 12.Be2?? (better is 12.Be5 Qd8 13.Bb8+–) 12...Nc6+= 13.Be5?? (better is 13.Bf6 gf6 14.Nc3+=) 13...Ne5–+ 14.0–0 (14.Ne5 Qe5 15.Bb5 Bd7–+) 14...Nf3 15.Bf3 e6 16.d4 Bd7 17.Nd2 Bb5 18.Re1 Bb4 (18...Bd6 19.Qb3 Ba6 20.g3–+) 19.Be2 (19.Qb3 Bd2 20.Qb5 Ke7–+) 19...Bc6 20.Qb3 (20.Qc2–+) 20...Bd2 21.Rb1 0–0 0–1. Fournier,Frederic (1810) – Night077 (1775), Active ajedrez21.com, 2006.

8.Bc3 Qc5 9.d4 Qa7 10.Bd3 =.

8.Nc3 g6 9.Nf3 Bg7 10.Be2 0–0 11.0–0. Bendig / Gross.

8.Bd3 Na6 9.Bc3 A) 9...Qd6 10.Bf1 (10.Be2 Ne4 11.Nf3 Qg6 12.0–0 d6 13.d4 e5 14.Nh4 Qf6 15.Nf3 Nc3+=) 10...Ne4 11.Nf3 Nac5 12.d4 Na6 13.Bd3 Qg6 14.0–0 d6 15.Qc2 f5=; B) 9...Qb6 10.Bd4 (10.Nf3 d6 11.Bf6 ef6 12.0–0 Be7 13.Be2 0–0 14.d4 Be6 15.Nbd2 Ra8+=) 10...c5 11.Bf6 Qf6 12.Be4 g6 13.Qb3 Bg7 14.Bb7 0–0 15.Be4 d6+=; C) 9...Qc5 10.Nf3 d5 11.Bd4 Qd6 12.Be5 Qd8 13.Be2 Nd7 14.d4 Ne5 15.Ne5 f6+=.

8.Bd3 Na6 9.Be2 A) 9...d5 10.Bf6 (10.Bc3 Qd6 11.d4 dc4 12.Bc4 Be6 13.Bd3 Nb4 14.Bb4 Qb4 15.Qd2 Qd2–/+) 10...ef6 11.cd5 cd5 12.Nc3 Nc7 13.Qc2 Be6 14.Nf3 Qd6 15.0–0 Qc5=; B) 9...Qa5 10.Bf6 (10.Bc3 Qg5 11.Bf1 d6 12.Nf3 Qg6 13.d4 e6 14.Qd3 Ne4 15.Ba5 e5+=) 10...ef6 11.Nf3 d5 12.cd5 Qd5 13.Nc3 Qd7 14.0–0 Nb4 15.d4 Qe6+=; C) 9...d6 10.Bc3 (10.Nf3 e5 11.Bc3 Qb6 12.0–0 Be7 13.d4 e4 14.Nfd2 0–0 15.f3 ef3–/+) 10...Qb6 11.Bf6 ef6 12.Nf3 Qb4 13.0–0 Be6 14.Qc2 d5 15.Nd4 Bc5+=.

8.Bd3 Na6 9.Nf3 d5 (9...Nc5 10.Be2 d5 11.Bf6 gf6 12.cd5 cd5 13.Nc3 e6 14.Bb5 Bd7 15.Bd7 Nd7+=; 9...d6 10.Bc3 Qb6 11.Bf6 ef6 12.0–0 Be6 13.Nd4 Qc5 14.Ne6 fe6 15.Be2 Qg5+=) 10.cd5 (10.Bf6 ef6 11.cd5 cd5 12.Nc3 Nc7 13.0–0 Bg4 14.Qe2 Qa5 15.Nb5 Ne6+=; 10.Bc3 Qd6 11.Be5 Qd7 12.Bd4 Nb4 13.Be2 Qf5 14.0–0 dc4 15.Bc4 b5–/+) 10...cd5 (10...Nc5 A) 11.Be2 Nd5 12.Bd4+= (12.Nc3 Bf5 13.Nd5 cd5 14.Bd4 Nd3 15.Bd3 Bd3–/+) 12...Bf5 13.Nc3 Nd3 14.Bd3 Bd3 15.Ne5 Bf5+=; B) 11.Bc2 Nd5 12.Bd4 Bg4 13.h3 Bf3 14.Qf3 Nb3 15.Be5 Nf6+=; 10...Nd5 11.Nc3 Bg4 12.Nd5 cd5 13.Bc3 Qd6 14.Ne5 Bd1 15.Bb5 Qc6+=) 11.Bc3 Qb6 12.Bd4 Qb4 (12...Nc5 13.0–0 A) 13...Qd6 14.Be5= (14.Qc2 e6 15.Be5 Qd7+=) 14...Qd7 15.Be2 Ng4+=; B) 13...e6 14.Bc2 Bd6 15.Nc3 Qb4+=) 13.Nc3 (13.Qc2 Bd7 (13...Bg4+= 14.Ba6 e5 15.Ne5 Be6+–) 14.Ne5 Qd6 15.Nd7 Kd7=) 13...Nc5 (13...Nc7 A) 14.Be5 Qb6 (14...Qa5 15.Qb1 h6=) 15.0–0= h6=; B) 14.Qc2 Bg4 15.Ne5 h5=; 13...e6 14.Ne5 Qd6 15.Bb5 Bd7=) 14.Bb5= Bd7 15.Bc5 (15.Qa1 Bb5 16.Bc5 Qc5 17.Qa8 Kd7 18.Qb7 Kd8 19.Qb8 Qc8 20.Qb6 Qc7 21.Qc7 Kc7 22.Nb5 Kb6+=) 15...Qc5 16.Qa4 Qc8 17.Bd7 Nd7 18.Nd5 e6 19.Nb6 Bc5?? (better is 19...Qc6 20.Qc6 bc6 21.Nd7 Kd7 22.Ne5 Ke8+/–) 20.Nc8+– Kd8 21.d4 Bf8 22.Ke2 (22.Qa8!? Kc7 23.Ke2 Bb4 24.Rc1 Nc5+–) 22...Kc8 23.Rc1 Kd8 24.Ne5 Ne5 25.Qa8 Ke7 26.de5 g6 (26...Kd7 27.Qb7 Kd8 28.Rc8) 27.Rc7# 1–0. pierre – henningulrich, internet, 2008.

8.Bd3 Na6 9.Bf6 A) 9...Nc5 10.Be2 (10.Qc2 ef6 11.Nf3 d6 12.0–0 Nd3 13.Qd3 Be6 14.Rc1 d5 15.cd5 Bd5–/+; 10.Bh7 ef6 11.Bc2 d6 12.Ne2 Be6 13.0–0 Bc4 14.d4 Nb3 15.Bd3 Nd2–/+) 10...ef6 11.Nf3 d6 12.0–0 Qb3 13.Qc1 Nd3 14.Qc3 Qc3 15.Nc3 Ne5+=; B) 9...ef6 10.Nf3 (10.Ne2 Nc5 11.Qc2 b5 12.cb5 Nd3 13.Qd3 Qb5 14.Qc2 Ba6 15.Nf4 Bb4–/+; 10.Qe2 Qb2 11.Nf3 Qc1 12.Qd1 Qd1 13.Kd1 d5 14.cd5 Nb4 15.Bc4 Nd5–/+) 10...d6 11.Qc2 Nc5 12.0–0 Nd3 13.Qd3 Be6 14.Rc1 d5 15.cd5 Bd5–/+.

8.Bd3 d5 9.Qc2 Be6 10.cd5 (10.c5 Ne4–/+) 10...Bd5 11.f3 Nbd7 12.Ne2 e5 13.0–0 Bd6 14.Nbc3 Qh4 (14...Bb3 15.Qb1–+) 15.Nd5 Nd5 16.Ng3 Nb4 17.Qc4 (17.Qc3 Nd3 18.Qd3 Bc7=+) 17...Qc4 18.Bc4 b5 19.Be2 0–0 (19...g6 20.Ne4 Be7 21.Bc3–/+) 20.Nf5 Bc5 21.f4 g6 (21...Ra8!? 22.fe5 Ra2=+) 22.Nh6= Kg7 23.Ng4 h5 24.fe5 hg4 (24...Kh7 25.Nf2=) 25.e6+= Kg8 26.ed7 The passed pawn on d7 will quickly become a dangerous weapon 26...f5? (26...Rd8 27.Bf6 Rd7 28.d4=+) 27.Bg4?? (better is 27.Bf6! Bb6 28.Be7+–) 27...Rd8= 28.Bf3 Rd7 29.d4 Bf8 30.Rc1 The backward pawn on c6 becomes a target 30...Ra7 31.Bc3 Nd5 (31...Bh6!? 32.Kf1 Be3=) 32.e4 (better is 32.Bd2!? Ne7 33.Kf2+=) 32...Nc3 (32...fe4 33.Be4 Bh6 34.Rc2=+) ½–½. Muster,Wolfgang – Diener,Rudolf, corr ICCF, 1989.

8.Bd3 d5 9.Bf6 ef6 10.cd5 –/+.

8.Bd3 d6 9.Bc3 Qc5 10.Be2 =+.

8.Bd3 e6 9.Nc3 (9.Bf6 gf6 10.Qc2 f5=+) 9...d5–/+ 10.cd5 ed5 11.Nge2 (11.Nf3 Be7–/+) 11...Bd6 12.0–0 Bh2 (better is 12...0–0–/+) 13.Kh1?? (13.Kh2 Qh4 14.Kg1 Ng4 15.Re1 Qh2 16.Kf1 Qh1 17.Ng1 Nh2 18.Ke2 Bg4 19.Nf3 Bf3 20.gf3 Qf3) 13...Qh4–+ 14.Ng1 Bg1 15.Kg1 Ng4 16.Qg4 Qg4 17.Rb1 b5 18.f3 (18.Rb2 b4 19.Be2 Qh4–+) 18...Qg5 19.f4 Qg4 20.Be2 Qg6 21.Rc1 0–0 22.Bb2 Bf5 (23.Ba3 Re8–+) 0–1. Bivens – Rudbeck,Joergen, corr ICCF TT–4–90 SF, 1995.

8.Bd3 g6 9.Nc3 (9.Be2 Bg7=+) 9...Bg7 (9...e5 10.Ne4 Qe7 11.Nf6 Qf6 12.f4=) 10.Ne4 d6 11.Nf6 (11.Bc3 Qa3=+) 11...Bf6 12.Bf6 ef6 13.Nf3 Bg4 (13...Nd7 14.0–0=+) 14.Qa1 (14.0–0 0–0=+) 14...0–0 15.Qf6 Nd7 16.Qd4 Bf3 17.gf3 Ra8 18.0–0 (18.Ke2 Ra2 19.Rd1 d5–/+) 18...Ne5 19.Be2 Ra2 20.Rd1 Rc2 The pressure on c4 grows (20...Ra4 21.Rc1=+) 21.Kg2 (21.f4 Nd7= (21...Nc4 22.Ra1 f5 23.Ra8 Kf7 24.Qh8 Rc1 25.Kg2 Ne3 26.fe3 Qe4 27.Bf3+–)) 21...Qc5 (21...h5 22.f4 Nd7 23.f5+=) 22.Qc5 dc5 23.Rb1 Rd2 24.f4 Re2 25.fe5 Rc2 26.Rb7 Rc4 27.f3 Rb4 28.Ra7 Rb8 29.Ra5 Kf8 30.Rc5= Rc8 31.Kg3 Ke7 32.Kg4 h6 33.h4 Kd7 34.h5 Rg8 35.hg6 Rg6 36.Kf5 Kc7 37.Rc2 h5 38.Rh2 Rh6=+ 39.Kg5 Rh7 40.f4 c5 41.f5 h4= 42.e6 Kd6?? 43.Rd2 Ke5 44.Rd7 h3 45.e7 Rg7 46.Kh4 Rg8 47.Kh3 Re8 48.Kg4 f6 49.e4 Ke4 50.Rd6 Rg8 51.Kh5 Kf5 52.Rd8 Rg7 53.Rd5 Ke4 54.e8Q Kd5 55.Qd8 Ke6 56.Qb6 Kd5 57.Qf6 Rg1 58.Qf4 Kc6 59.Qe3 (59...Rd1 60.Qe8 Kc7 61.Kg4+–) 1–0. Wolf – Pfretzschner,Roland, corr DDR–ch, 1978.

8.Be2. Bendig / Gross.

8.Nf3 d6 9.Be2 (9.Bc3 Qb6=+) 9...e5 10.0–0 (10.Bc3 Qb6=+) 10...Be7 11.d4 ed4 (11...e4 12.Bc3 Qb6 13.Nfd2=+) 12.Bd4 Nbd7 13.Nc3 0–0 (13...Nc5 14.Qa1 Nb3 15.Qb2=) 14.Qa1= Bd8 15.Rb1 (15.Bd3 c5 16.Rb1 Qa5 17.Qa5 Ba5 18.Bf6 Nf6=+) 15...Qa5 16.Qb2 (16.Qa5 Ba5 17.Ra1 b6=+) 16...c5 17.Ra1 Qb6 18.Na4 Qb2 19.Bb2 Ne4 (19...d5 20.cd5 Nd5 21.Rd1=+) 20.Ne1 (20.Nc3 f5=+) 20...Nb6 (20...Re8 21.Nf3=+) 21.Nb6= Bb6 22.f3 Ng5 23.e4 (23.Kf2 f5=) 23...Bd7 24.Nc2 Bc6 25.Ne3= f6 26.Bc3 Kf7 27.Bd3 Ne6 28.Nd5 Bc7 29.Bd2 Rb8 30.Kf2 Bd8 31.Nc3 g6 32.Ra2 Nc7 33.Bf4 Be7 34.Ke2 Na6 35.Ra1 Nb4=+ 36.Bb1 Bd7 37.Bd2 f5–/+ 38.Nb5 Be6 39.Bd3?? fe4–+ 40.fe4 Bg4 (41.Ke3 Bg5 42.Kf2 Nd3 43.Kg3 Bd2–+) 0–1. Baranov,Grigory (2290) – Bochkarev,Alexander (2510), Chigorin mem, 1998.

8.Nf3 e6 9.Be2 Be7 10.0–0 0–0 11.d4 d5 12.c5 Qa5 13.Ne5?? (better is 13.Bc3 Qa2 14.Nbd2=) 13...Qa1–+ 14.Qb3 (14.Qc2 Nbd7 15.Nc3 Qa3–+) 14...Qa5 15.Nc3 Qc7 16.Na4 Nbd7 17.f4 Ne4 18.Ng4 (18.Nf3–+) 18...f5 19.Qc2 (19.Ne5 Nd2 20.Qc3 Nf1 21.Kf1 Ne5 22.de5 Bd7–+) 19...fg4 20.Bg4 Ndf6 21.Bf3 h6 22.Rb1 g5 23.fg5 hg5 24.h3 (24.Nb6 g4 25.Nc8 Qc8–+) 24...Kg7 (better is 24...g4!? 25.Nb6 gf3 26.gf3–+) 25.Nc3 (25.Nb6 e5 26.Nc8 Rc8–+) 25...Nc3 26.Qc3 e5! 27.de5 Nh7 (27...Nd7 28.Bg4 Nc5 29.Rf1–+) 28.Rb4 (28.Bh5 g4! 29.Bg4 Bg4 30.hg4 Ng5–+) 28...Be6 (28...Qa5 29.Rb3 Qc5 30.Qb2–+) 29.Qb2 (29.Ra4 Bh3! 30.Ra7 Be6–+) 29...Rb8 (29...Bc5 30.Rb7 Be3 31.Kh1+=) 30.Qc3 Nf8 31.h4 1–0. brother – amboo, kurnik, 2014.

8.f4 Qa5 A) 9.Bd4 A1) 9...d5 10.Nf3 (10.cd5 Qd5 11.Nf3 Bg4 12.Be2 e6 13.Nc3 Qf5 14.Ne5 Be2 15.Ne2) 10...e6 11.cd5 cd5 12.Nc3 Be7 13.Ne5 Nc6 14.Nc6 bc6 15.Qa4; A2) 9...b5 10.Nf3 (10.cb5 cb5 11.Qb3 b4 12.Nf3 Bb7 13.Bc4 e6 14.Bf6 gf6 15.0–0) 10...bc4 11.Bc4 d5 12.Qb3 Nbd7 13.Be2 e6 14.Bf6 gf6 15.0–0; A3) 9...d6 10.Nf3 (10.Bc3 Qb6 11.Nf3 Bf5 12.Bf6 Qb1 13.Qb1 Bb1 14.Bb2 e6 15.Be2) 10...Nbd7 11.Bc3 Qf5 12.d4 d5 13.Bd3 Qg4 14.0–0 dc4 15.Bc4; B) 9.Be5 B1) 9...Na6 10.Nf3 (10.Be2 d6 11.Bc3 Qf5 12.Nf3 Ne4 13.0–0 Nc3 14.Nc3 g6 15.d4) 10...d6 11.Bc3 Qd8 12.Be2 d5 13.0–0 dc4 14.Bc4 b5 15.Bb3; B2) 9...d6 10.Bc3 (10.Bf6 ef6 11.Nf3 d5 12.cd5 Qd5 13.Nc3 Qa5 14.Bd3 Be7 15.0–0) 10...Qb6 11.Bd3 Nbd7 12.Nf3 e6 13.0–0 Be7 14.Qe1 0–0 15.Qh4; C) 9.Bc3 Qd8 10.Nf3 (10.Qc2 d5 11.Nf3 Nbd7 12.Be2 dc4 13.Bc4 e6 14.0–0 Bd6 15.Be5) 10...d5 11.Ne5 Nbd7 12.Nd7 Qd7 13.Bd4 Qg4 14.Qg4 Bg4 15.Bf6.

8.f4 Na6 A) 9.Nf3 A1) 9...d6 10.Bc3 (10.Be2 Nc5 11.0–0 Qa4 12.Qa4 Na4 13.Nc3 Nc3 14.Bc3 Ne4 15.Bb2) 10...Qb6 11.Be2 Nc5 12.0–0 Qb3 13.Qb3 Nb3 14.Bf6 ef6 15.Nc3; A2) 9...Nc5 10.Be2 (10.Bc3 Qa4 11.Qa4 Na4 12.Bd4 d6 13.Be2 h5 14.d3 b5 15.cb5) 10...d6 11.0–0 Bf5 12.Nd4 Bb1 13.Bc3 Qb6 14.Qb1 Qb1 15.Rb1; A3) 9...d5 10.Bc3 (10.Bf6 ef6 11.cd5 cd5 12.Nc3 Nc7 13.Bd3 Bc5 14.Qc2 h6 15.0–0) 10...Qd6 11.Be5 Qd8 12.cd5 Nd5 13.Nc3 f6 14.Bd4 e6 15.Nd5; B) 9.Be2 B1) 9...d6 10.Bc3 (10.Nf3 Nc5 11.Bc3 Qa4 12.Qa4 Na4 13.Bd4 Bd7 14.Nc3 Nc3 15.Bc3) 10...Qb6 11.Nf3 Nc5 12.0–0 Qb3 13.Qe1 Qc2 14.Bf6 ef6 15.Nd4; B2) 9...d5 10.cd5 (10.Bc3 Qd6 11.Be5 Qd7 12.cd5 Nd5 13.Nc3 Ndb4 14.Bd4 c5 15.Bc5) 10...Nd5 11.Nc3 Nc5 12.Nf3 Bf5 13.Nd5 cd5 14.Bc3 Qa4 15.Qa4; C) 9.Bc3 C1) 9...Qc5 10.Nf3 (10.d4 Qa7 11.Bd3 d5 12.Nf3 dc4 13.Bc4 Bf5 14.0–0 e6 15.Nh4) 10...d5 11.d4 Qa7 12.Ne5 Bf5 13.c5 e6 14.Nd2 Nb8 15.Qb3; C2) 9...Qd6 10.Nf3 (10.Be2 Ne4 11.Nf3 Qg6 12.0–0 d6 13.Bd4 c5 14.Bb2 Nf6 15.Qb3) 10...Qe6 11.Be2 d5 12.Ne5 Qd6 13.0–0 Bf5 14.d3 Nc7 15.Qb3; C3) 9...Qb6 10.Nf3 (10.Be2 d5 11.Nf3 Bf5 12.0–0 dc4 13.Bc4 e6 14.Bf6 gf6 15.d4) 10...d6 11.Be2 Nc5 12.0–0 Qb3 13.Qe1 Qc2 14.Bf6 ef6 15.Nd4.

8.f4 d5 9.Bc3 Qb6 (9...Qc5 10.Bd4 (10.d4 Qa7 11.Nf3 Bf5 12.Be2 e6 13.0–0 Qa2 14.Nfd2 dc4 15.Bc4) 10...Qa5 11.Nf3 dc4 12.Bc4 e6 13.Qc2 Nbd7 14.0–0 b5 15.Be2) 10.Nf3 (10.Bd4 Qd8 11.Nf3 e6 12.Nc3 Be7 13.Bd3 dc4 14.Bc4 b5 15.Be2; 10.Qc2 Qd8 11.Nf3 e6 12.Be2 dc4 13.Bc4 Nbd7 14.0–0 Bd6 15.Be5) 10...Bf5 11.Bf6 ef6 (worse is 11...Bb1 12.Bd4 c5 13.Bc5 Qc5 14.Qb1+/– e6 15.Qb7) 12.Nc3 Bb4 (12...dc4 13.Bc4 Qb4 14.Qe2–/+ (14.Nd4 Qc4 15.Nf5) 14...b5 15.Bd3) 13.Nd4+= Be4 (13...Bd7 14.cd5 Bc3 15.dc3 cd5 16.Qc2+=) 14.Ne4= de4 15.Qc2 0–0 16.Qe4 Nd7 (16...Rd8 17.Bd3 g6 18.f5+=) 17.Qc2 (17.Bd3 g6 18.Be2 Qa5=) 17...Re8 18.Kf2 Bc5 19.Qd3 (19.Nf5 g6 20.d4 gf5 21.dc5 Qc5+=) 19...Bd4–/+ 20.ed4 Nf8 21.f5 Rd8 22.c5 Qb4 (22...Qc7 23.Qe4+=) 23.Qc3+= Rd4 24.Qb4 Rb4 25.Ke3 Nd7 (25...g6 26.Bd3 Nd7 27.Rc1–/+) 26.d4 b6 27.cb6 Nb6 28.Ba6 Nd5 29.Ke4 Ne7 30.Rc1 Rb2 31.Bf1 g6 32.fg6 fg6 33.h4 (33.h3 Kg7–/+) 33...h5 34.Kd3 Kg7 35.Be2 Nf5 0–1. Ganz,Harry (2250) – Traut,Gerhard (2130), RSS7E pro–52, 2006.

8.f4 d5 9.Bf6 A) 9...gf6 10.cd5 (10.Qc2 dc4 11.Bc4 Rg8 12.Kf2 b5 13.Bd5 Bd7 14.Bf3 f5 15.Ne2) 10...cd5 11.Nc3 e6 12.Nf3 Bd7 13.Qc2 Nc6 14.Bb5 Qd6 15.0–0; B) 9...ef6 10.cd5 Bc5 11.Nc3 Be3 12.dc6 Bf4 13.Nd5 Qd4 14.Nf4 Qf4 15.Qe2.

8.f4 d6 A) 9.Bc3 Qb6 10.Qc2 (10.Bd3 Nbd7 11.Nf3 e6 12.Qc2 Be7 13.0–0 Qc7 14.Be2 0–0 15.d4) 10...Nbd7 11.Nf3 Nc5 12.d4 Nce4 13.Bd3 Bf5 14.0–0 e6 15.Nh4; B) 9.Qc2 B1) 9...Na6 10.Bc3 (10.Nf3 Nc5 11.Be2 Nfe4 12.Bd4 Qb3 13.Qb3 Nb3 14.Bb6 Nc1 15.d3) 10...Qb6 11.Be2 g6 12.Bd4 Qa5 13.g4 h6 14.Bc3 Qb6 15.g5; B2) 9...Nbd7 10.Bc3 (10.Nf3 Nc5 11.Be2 Nfe4 12.Bd4 Qb3 13.Qb3 Nb3 14.Bb6 Nc1 15.d3) 10...Qb6 11.Nf3 Nc5 12.d4 Nce4 13.Bd3 Bf5 14.0–0 e6 15.Nh4; B3) 9...Qa5 10.Bc3 (10.Bf6 ef6 11.Nf3 Na6 12.Nc3 Nb4 13.Qb2 d5 14.cd5 Nd5 15.Nd5) 10...Qf5 11.Qf5 Bf5 12.Bf6 Bb1 13.Bc3 Nd7 14.Nf3 Nc5 15.d4; C) 9.Bd3 C1) 9...Nbd7 10.Bc3 Qc5 11.Be2 e5 12.d4 ed4 13.Bd4 Qa5 14.Nd2 Ne4 15.Ngf3; C2) 9...Bg4 10.Nf3 (10.Qc2 Na6 11.Be2 Be2 12.Ne2 b5 13.Bf6 gf6 14.cb5 Qb5 15.0–0) 10...Nbd7 11.Bc3 Qc5 12.Qb3 Qa7 13.Bc2 Bf3 14.gf3 e6 15.d4; C3) 9...Na6 10.Bc3 (10.Nf3 Nc5 11.Be2 Bf5 12.0–0 Qb3 13.Qb3 Nb3 14.Bf6 gf6 15.d4) 10...Qb6 11.Nf3 Nc5 12.Bc2 Be6 13.d3 d5 14.Nbd2 dc4 15.Nc4; D) 9.Nf3 Bf5 10.Bf6 (10.Nc3 e6 11.Be2 d5 12.cd5 ed5 13.0–0 Bc5 14.Na2 Qb6 15.Bf6) 10...ef6 11.Nc3 Be6 12.Qe2 Nd7 13.Nd4 Nb6 14.Ne6 fe6 15.e4.

8.f4 e6 A) 9.Nf3 d5 10.Bf6 (10.Bc3 Qe7 11.Be2 Ne4 12.0–0 dc4 13.Bc4 Nc3 14.Nc3 Nd7 15.d4) 10...gf6 11.cd5 cd5 12.Nc3 Bd7 13.Qc2 Bd6 14.Be2 Qb6 15.0–0; B) 9.Be5 B1) 9...d6 10.Bc3 (10.Bf6 gf6 11.Nf3 d5 12.cd5 cd5 13.Nc3 Bd7 14.Qc2 Bd6 15.Be2) 10...Qb6 11.Bf6 gf6 12.Nf3 d5 13.d4 Qb4 14.Nbd2 c5 15.cd5; B2) 9...Na6 10.Nf3 (10.Be2 d5 11.Bf6 gf6 12.cd5 ed5 13.Nf3 Rg8 14.0–0 Bh3 15.Rf2) 10...Be7 11.Bc3 Qb6 12.Be2 0–0 13.d4 c5 14.0–0 d5 15.Qc2; C) 9.Be2 C1) 9...Be7 10.Bc3 (10.Nf3 d5 11.Bc3 Qb6 12.0–0 0–0 13.Qc2 Na6 14.d4 c5 15.Nbd2) 10...Qb6 11.Nf3 d5 12.0–0 0–0 13.Qc2 Na6 14.d4 c5 15.Nbd2; C2) 9...d5 10.Bc3 (10.Bf6 gf6 11.cd5 ed5 12.Nf3 Bf5 13.0–0 b5 14.Nc3 Bc5 15.Qc1) 10...Qe7 11.Nf3 Nbd7 12.d3 dc4 13.dc4 Ng4 14.Qc1 e5 15.h3; D) 9.Bf6 gf6 10.Qc2 (10.Nc3 d5 11.cd5 cd5 12.Nf3 Bd7 13.Qc2 Nc6 14.Bb5 Bd6 15.0–0) 10...d6 11.Nf3 Nd7 12.Be2 Nb6 13.0–0 d5 14.cd5 Nd5 15.Rc1.

6.e3 Qb4

7.c3 Qa5=+ 8.Bb2 d5 9.Nf3 Bf5 10.Be2 (10.d3!?=+) 10...Qa2–/+ 11.Qc1?? (11.e4 Be4 12.d3 Bf3 13.Bf3 Qb2 14.0–0–+) 11...Qb1–+ 12.Qb1 Bb1 13.0–0 (13.d3 e6–+) 13...Bg6 (13...Bf5 14.Ra1 e6 15.Ra7–+) 14.Ra1 e6 15.c4 (15.Ra7 b5–+) 15...Nf6 (15...dc4 16.Ra8 Bd6 17.Bg7+=) 16.Be5 Na6 17.cd5 cd5 18.Ba6 ba6 19.Ra6 Nd7 20.Bb2 Be7 21.Ra8 Bd8 22.Bg7 Rg8 23.Bb2 d4 24.Nd4 Be4 25.Rc8 Bb7 26.Rc2 Bg2 27.Rc1 Ne5 28.Ba3 Nd3 29.Rc3 Bh3 (30.Kh1 Nf2#) 0–1. Meybohm,Dirk – Cuno,T, 1990.

7.c4 (--> 6.c4 Qb4 7.e3).

7.Nf3 b5 8.Be2 Qa5 9.Bc3 Qc7 10.0–0 Nf6 11.d4 g6 12.Bb2 Bg7 13.Nbd2 0–0 14.c4 bc4 15.Nc4 Ba6 16.Ba3 d6 17.Qb3? (17.Bb4!?+=) 17...Nbd7 (better is 17...d5!?–+) 18.Qc2 c5 19.Rc1 cd4 (19...Ra8!? 20.Bb2 d5–+) 20.Nd4 (worse is 20.ed4 Bh6 21.Ne3 Qc2 22.Rc2 Be2 23.Re2 Ra8–+) 20...Rc8 (20...Ra8 21.Qd1+=) 21.Qa4 Bc4 22.Rc4 Qb7 23.h3 (23.Qb5!? Rc7 24.Qb7 Rb7 25.g3+=) 23...Rc4 24.Qc4 Ne5 25.Qa4 h5 26.Bb5 Nd5 27.Bb2 Nc7 28.Bc3 Nb5 29.Qb5 Qb5 30.Nb5 Nd3 31.Bg7 Kg7 32.Kf1 Kf6 33.Ke2 Nc5 34.e4? (better is 34.Nc3–/+) 34...Ne4–+ 0–1. beciab70 (1630) – roals, kurnik, 2014.

7.Nf3 d6 8.Be2 e5 9.0–0 Nf6 10.d3 g6 (10...b5 11.e4=+) 11.c4 Bg7 12.Bc3 Qb6 13.Qd2 Qc7 14.Qb2 Na6 15.Nbd2 0–0 16.Nb3 Bf5 17.Ra1 Rb8 18.Nh4 (18.c5 Nd7 19.Ba5 Qc8–/+) 18...Bg4 19.Bg4 Ng4 Black gets the initiative 20.Nf3 f5 21.Ng5 Qe7 22.Nf3 e4 23.de4 Bc3 24.Qc3 fe4 (< 24...Qe4 25.Nbd2 Qe7 26.Qd4=+) 25.h3 ef3 26.hg4 fg2 27.Kg2 Rf8 28.Kg3 g5 29.Nd4 (better is 29.f3!?–/+) 29...Qe5–+ 30.Kg2 c5 31.Ne2 Qe4 32.Kh3?? (32.Kf1–+) 32...Rf2 33.Rg1 Re2 34.Rg3 (34.Qf6 Re3 35.Kh2 Qe5 36.Qe5 de5 37.Rd1–+) 34...Qh1# 0–1. Wich,Manfred – Schmidt,Volker (1780), St Ingbert open, 1988.

7.Bc3 Qa4

8.Bd3 b5 =+.

8.Nf3 b5 9.Bd4 =+.

8.Nf3= d6 9.Be2 Bf5 (9...e5 10.d4 e4 11.Nfd2–/+) 10.d3 (10.Nd4 Nh6=) 10...Nf6 (10...e5 11.0–0=+) 11.Nd4= Bg6 12.e4 (12.f4 e5 13.fe5 de5–/+) 12...c5 (12...e5 13.Nf3–/+) 13.Nb3 Nc6 14.0–0 b5 15.N1d2 c4 (better is 15...Nd4=+) 16.Nd4 (better is 16.dc4!? b4 17.Bf6 gf6 18.c5+=) 16...Nd4 (16...cd3 17.Nc6 de2 18.Qe2 Be4 19.Ne4 Ne4 20.Bb4–/+) 17.Bd4 cd3 18.Bd3 Qd4 19.Nf3 (19.Bb5 Kd8 20.Bc6 Qc3–+) 19...Qc5 20.Qe2 b4 21.Ra1 e6 22.Ra8 Ke7 23.Nd2 Qb6 24.Ra6 Qb7 25.f3 Nd7 26.Nb3 Nb8 27.Na5 Qc7 28.Ra8 f6 29.Qe3 Nd7 30.Ra7 Qd8 31.Nc6+– Ke8 32.Nd8 Kd8 33.Bb5 Be7?? 34.Ra8 (34…Nb8 35.Rb8 Kc7 36.Qb6#) 1–0. Schmeding,Irene – Herrmann,Robert, Bahn–chS Bernkastel–Kues, 1995.

8.Nf3 e6 9.Be2 (better is 9.Bd4=+) 9...Be7?? (better is 9...d6=+) 10.Bg7+– Bf6 11.Bh8 Bh8 12.0–0 d5 13.d4 Ne7 (13...Nf6 14.Bd3+–) 14.Qd3 Ng6 15.Nbd2 Qa5 (15...b5 16.Rb1+–) 16.Ng5 (16.c4 Nd7+–) 16...Nd7 (16...c5 17.dc5 Qc5 18.Nh7+–) 17.Nh7 Ndf8 (17...e5 18.c4+–) 18.Nf8 Nf8 19.c4 Nd7 (19...Ng6 20.cd5 ed5 21.Nb3+–) 20.Qh7 (20...Nf8 21.Qh8 Qd2 22.Bh5+–) 1–0. Rosner,Dirk (1930) – Hasler,Ueli, CiF, 2006.

7.Bc3 Qb6

8.Bd3 Nf6 9.Nf3 d5 10.Be2 e6 (10...Bg4 11.0–0=+) 11.Bd4 (11.Bf6 gf6 12.d4 Rg8=+) 11...Qc7 12.Be5 Bd6 13.Bd6 Qd6 14.Nc3 (14.0–0 e5–/+) 14...0–0 15.0–0 (15.d4 Nbd7–/+) 15...e5 16.d4 Bg4?? (better is 16...e4 17.Nd2 b5–/+) 17.de5+= (17…Qc5 18.Na4+=). Reyes,JG – Sikora,M, corr 3GMM–50, 1996.

8.Bd3 Nf6 9.Nf3 d6 10.Bd4 c5 (10...Qc7 11.Bf6 ef6 12.0–0=+) 11.Bf6 gf6 12.Nc3 Bg7 13.Nh4 Qb4 14.f4 c4 15.Nf5 Bf5 (15...Bf8 16.Be4 e6=+) 16.Bf5–/+ e6 17.Bh3 Nc6 (17...f5!? 18.Na2 Qb2–/+) 18.f5= Nd8 19.fe6 (19.Bg4 0–0=+) 19...fe6=+ 20.Qh5 Kf8 21.0–0 Qb2 22.Qa5 (22...Kf7 23.Qc7 Kg6 24.Qc4 Qc2 25.Be6 Ne6 26.Qe6+–) 1–0. Woschkat,Karl_Heinz – Cossmann, corr SOK–91–71, 1991.

8.d4 d5 9.Bd3 Nf6 10.Nf3 Bg4 11.0–0 e6 12.h3 Bf3 13.Qf3 Bd6 14.g4 h6 15.Nd2 Qd8 16.Nb3 Nh7 17.Qg2 Qh4 18.Na5 (18.f4 0–0=+) 18...Qe7 (18...Ng5 19.Ra1 b6 20.Nb7–/+) 19.f4 c5?? (better is 19...Nf6–/+) 20.dc5+/– Bc5 21.Bg7 Be3 22.Kh1 Rg8 23.Bh6?? (better is 23.Be5 f5 24.Bb8+–) 23...Nf8 24.Qe2 Bb6 25.Bb5 Kd8 26.Bf8 Rf8 (26...Ba5?? 27.Be7 Ke7 28.Qf3+–) 27.Nb3 Nc6 28.Ra1 Qb4 29.Ra8 Ke7 30.Rf8 Kf8 31.f5 ½–½. Larsen,Andreas – Willumsen,Kaj Roger, NNM Tromso, 1999.

8.Nf3 d5 9.Be5 (9.Be2 f6+=) 9...Nd7 10.Bd4 (10.Bf4!?+=) 10...Qc7–/+ 11.Be2 (11.Bb2 e5–/+) 11...e5 12.Bc3 (12.Bb2 Ngf6–/+) 12...Ngf6 (12...Bd6 13.Bb2–+) 13.0–0 Bd6 (13...b5–/+) 14.Ng5 (14.Nh4!?–/+) 14...0–0 (14...h6 15.Nh3–+) 15.d3 (15.Kh1 b5–+) 15...h6 16.Nf3 (16.Nh3 Nc5–+) 16...e4 17.de4 (17.Nd4 Bh2 18.Kh1 Be5–+) 17...de4 (17...Ne4?! 18.Bd4–+) 18.Nd4 Bh2 19.Kh1 Be5 20.Nf5 (20.Nd2 Rd8–+) 20...Bc3 (20...Nd5 21.Be5 Ne5 22.Nd4–+) 21.Nc3 Ne5 (21...Rd8 22.Qd6 Qa5 23.Ne7 Kh7 24.Nc8–+) 22.Qd6 Qd6 23.Nd6 Rd8 24.Rd1 Nd5 25.Nd5+= cd5 26.Rd5 Be6 27.Rd4 f5 28.Nf5= Rd4 29.Nd4 Bd5 30.Kh2 Kf7 31.Kg3 Kf6 32.Nb5 g5 33.Nc3 Bc6 34.Bb5 Kf5 35.Bc6 bc6 36.Ne2 c5 37.Kh3 h5?? 38.Ng3+/– Kg6 39.Ne4 Ng4 40.Kg3+– c4 41.Nd6 Ne5 42.f4 h4 43.Kh3 gf4 44.ef4 Nd3 45.f5 Kg5 46.cd3 c3?? 47.Ne4 Kf5 48.Nc3 1–0. Wall,Bill – Shoshin, chess.com, 2008.

8.Nf3 Nf6 9.Bc4 d5 10.Bb3 Bg4 11.h3 Bh5 12.g4 Bg6 13.Nh4 Ne4 14.Ng6 hg6 15.d3 Nc3 16.Nc3 e6 17.Qf3 Nd7 18.0–0 Ne5 19.Qg3 Bd6 20.Qg2 Qc7 21.e4 Ng4 22.Ne2 Bh2 23.Kh1 Be5 24.Ng3 f5 25.ef5 gf5 26.c4 f4 27.Ne2 f3 28.Qg4 Qb6 29.Bd1 Bf6 30.Qg6 Ke7 31.Nf4 e5 32.Nh5 Qd4 33.Nf6 Rh3 34.Kg1 gf6 35.Qg7 Ke6 36.Qg8 Kd6 37.Qf8 Kc7 38.Qe7 Kb6 39.Qb4 Kc7 40.Qe7 Kb6 41.Qd8 Ka6 42.Qa8 Kb6 43.Qd8 Ka6 44.Qa8 Kb6 45.Qd8 Ka6 46.Qa8 Kb6 ½–½. ronnieg (2595) – JHW (2755), fics, 2001.

8.Nf3 Nf6 9.d4 d5 10.Bd3 Bg4 11.0–0 Ne4 12.Ba1 e6 13.c4 Bb4 14.Qb3 (14.cd5!?) 14...Bf3 15.gf3 dc4 16.Bc4 Nd6 17.Na3 Qa5 18.Nc2 Nc4 19.Qc4 Bd6 20.f4?! (20.Qe6) 20...Qh5 21.f3 g5! 0–1. Moeller Nielsen – Hjortstam, email 4AMM–03 1997.

7.Bc3 Qe4

8.d3 Qg6 9.Nf3 =+.

8.Nf3 =.

7.Nc3 b5

8.Nce2 Qa3 9.Ng3 d6 10.f4 Na6 11.N1e2 Nb4 12.Bc3 Nf6 13.Nd4 Nbd5 14.Ba1 Qc5 15.Qb1 Nc7 16.Nf3 Nfd5 17.Bd3 Qb4 18.0–0 =+.

8.Nce2 d5 9.Ng3 Nf6 10.Be2 Nbd7 11.Nf3 Qd6 12.0–0 e5 13.d3 Qc7 14.c4 bc4 15.dc4 Bd6 16.cd5 cd5 17.Qb1 0–0 18.Rc1 =+.

8.Nce2 d6 9.f4 Nf6 10.Nf3 Bg4 11.Bc3 Qa4 12.Bd4 Nbd7 13.Bb2 Nd5 14.Ned4 Ne3 15.de3 Qb4 16.Qd2 Qb2 17.Qa5 f6 18.Qa8 –/+.

8.Nce2 Nf6 9.Bd4 d6 10.f4 Nbd7 11.Nf3 e6 12.Nc3 Be7 13.Qa1 0–0 14.Qa8 e5 15.fe5 de5 16.Ne5 Ne5 17.Be5 Ng4 18.Bf4 –/+.

8.e4 d6 9.d4 Nf6 10.Bd3 Nbd7 11.Nf3 e5 12.de5 de5 13.0–0 Be7 14.Ne2 Qc5 15.Ng3 g6 16.Qb1 0–0 17.Qb3 h6 18.Qc3 =+.

8.e4 e5 9.Nf3 d6 10.d3 Nf6 11.Be2 d5 12.0–0 d4 13.Nb1 Qa4 14.Bb2 Bd6 15.Qc1 0–0 16.c3 c5 17.cd4 cd4 18.Ne5 –/+.

8.e4 Nf6 9.e5 Ne4 10.Nf3 d5 11.ed6 ed6 12.Be2 Nf6 13.0–0 Be7 14.Re1 d5 15.Nb1 Be6 16.Nd4 Bd7 17.Bc3 Qd6 18.Nf3 –/+.

8.Nf3 d5 9.Be2 Nf6 10.Nb1 Nbd7 11.Bf6 Nf6 12.0–0 e6 13.Ne5 Qd6 14.d4 Qc7 15.Bd3 Bd6 16.f4 0–0 17.Qf3 Bb7 18.Nd2 –/+.

8.Nf3 d6 9.d4 Nf6 10.Bd3 e6 11.0–0 Be7 12.e4 0–0 13.Qd2 Qa3 14.Rb1 Nbd7 15.Bb2 Qa7 16.Ra1 Qc7 17.Ba3 Qb7 18.Rb1 =+.

8.Nf3 Nf6 9.Be2 d6 10.Na2 Qa5 11.Bf6 ef6 12.Nc1 Be7 13.Nd4 0–0 14.Bg4 Bb7 15.0–0 Qc7 16.Nf5 Re8 17.Qf3 g6 18.Ne7 =+.

8.f4 d5 9.Nf3 Nf6 10.Be2 e6 11.Na2 Qa4 12.Bf6 gf6 13.Nc3 Qa5 14.0–0 Nd7 15.Nd4 b4 16.Bh5 Qb6 17.Na4 Qa6 18.Nb2 –/+.

8.f4 d6 9.Nf3 Nf6 10.Be2 Bg4 11.0–0 e6 12.Na2 Qa5 13.Bf6 gf6 14.Nc3 d5 15.Nd4 Be2 16.Nce2 Bd6 17.Ng3 c5 18.Nb3 =+.

8.f4 e6 9.Nf3 Nf6 10.Na2 Qa5 11.Nc3 d5 12.Bd3 Bd6 13.0–0 0–0 14.Qe1 Nbd7 15.Ne2 Ne4 16.Be5 Be7 17.Be4 de4 18.Nfd4 –/+.

8.f4 Nf6 9.Nf3 d5 10.Ne5 Qd6 11.Ne2 Nbd7 12.Nd4 Bb7 13.Ndf3 Ne4 14.Nd7 Qd7 15.Be2 e6 16.0–0 f6 17.Nd4 Bb4 18.c3 –/+.

7.Nc3 d5

8.Nb1 Na6 9.Nf3 Bg4 10.Be2 Bf3 11.Bf3 Qd6 12.0–0 Nf6 13.Be2 e5 14.d4 e4 15.c4 dc4 16.Bc4 Qc7 17.Nd2 b5 18.Bb3 =+.

8.Nb1 b5 9.Nf3 Nd7 10.Bc3 Qd6 11.d4 Ngf6 12.Bd3 Ne4 13.Ba5 f5 14.c3 e5 15.Bb4 Qg6 16.0–0 Bb4 17.cb4 ed4 18.ed4 –/+.

8.Nb1 Qd6 9.Nf3 Nd7 10.d4 Ngf6 11.c4 dc4 12.Bc4 Nb6 13.Bd3 Bg4 14.0–0 e6 15.Nbd2 Nfd5 16.Ne4 Qa3 17.Be2 Bb4 18.Nc5 =+.

8.Nb1 Nd7 9.Nf3 Ngf6 10.Be2 Qd6 11.d4 b5 12.Nbd2 e6 13.Bd3 Be7 14.0–0 0–0 15.Qe2 Ba6 16.Bc3 Ra8 17.Ra1 Bb7 18.Ra8 –/+.

8.Nb1 Bf5 9.Nf3 Qa4 10.Nd4 Qa1 11.Nf5 e6 12.Nd4 Nf6 13.Bd3 e5 14.Nb3 Qb2 15.Bf5 Bb4 16.c3 Bd6 17.d4 g6 18.Bd3 –/+.

8.Nb1 f6 9.f4 Bf5 10.Nf3 Nh6 11.Bc3 Qd6 12.Be2 e6 13.Nd4 Bg6 14.0–0 Be7 15.Bb2 b5 16.Bg4 Bf7 17.d3 b4 18.c3 –/+.

8.Nb1 Nf6 9.Nf3 Nbd7 10.Bc3 Qd6 11.d4 Ne4 12.Ba1 Ndf6 13.Bd3 Bg4 14.Nbd2 e6 15.Qc1 Qc7 16.Ne5 Bf5 17.0–0 Bd6 18.Nb3 –/+.

8.Nb1 Bg4 9.Ne2 b5 10.f3 Bc8 11.f4 Nf6 12.Bc3 Qa4 13.Bd4 Bf5 14.d3 Nbd7 15.Ng3 e6 16.Be2 Bc5 17.Bc5 Nc5 18.Nh5 –/+.

8.Be2 Nf6 9.Nf3 Bf5 10.0–0 e6 11.d3 Bd6 12.Nh4?? (12.e4 de4 13.de4 Ne4 14.Ne4 Be4 15.Bg7 Rg8–/+) 12...Bg6 (better is 12...Qh4 13.f4 Bc5–+) 13.Ng6 hg6 14.g3 Nbd7 15.Qb1 Qb1 16.Rb1 b5 17.Nd1 Ke7 18.c4 Ra8 (better is 18...Rb8–+) 19.cb5=+ cb5 20.d4? (better is 20.Bf6 gf6 21.Rb5=+) 20...b4–+ 21.Bb5 Ne4 22.Bc6 Ra2 23.Bb2 Nb6 24.f3 (24.Ra1 b3–+) 24...Ng5 25.Nf2 (25.f4 Ne4 26.Ra1–+) 25...Nc4 (25...Nf3 26.Kg2 Nd2 27.Ra1 Rb2 28.Ra7 Kf8 29.Nd3–+) 26.e4 (26.Nd1 Nf3 27.Kg2 Ne1 28.Kh3 Nd3–+) 26...Nf3 27.Kg2 Nfd2 (better is 27...Rb2 28.Rb2 Nd4 29.e5 Nb2 30.ed6 Kd6 31.Bb7–+) 28.e5 (28.Ra1 Rb2 29.Ra7 Kf6 30.e5 Be5 31.Ng4 Kf5 32.Ne5 Ne5 33.de5 Nc4 34.Kf1 Ne5 35.Be8–+) 28...Nb1 29.ed6 Kd6 30.Bb5 (30.Be8 Nb2 31.Kh3 Ra7–+) 30…Rb2 (31.Be8 Nc3–+) 0–1. b4_player (1915) – stefanj (1975), GameColony.com, 2002.

8.Nce2 Qd6 9.f4 Nd7 10.Nf3 f6 11.Bc3 e6 12.Ng3 Nh6 13.Bd3 Be7 14.0–0 0–0 15.Nd4 Nc5 16.Bb4 Qc7 17.Bc5 Bc5 18.Qh5 –/+.

8.Nce2 Nd7 9.f4 b5 10.Nf3 e6 11.Ned4 Qd6 12.Bd3 Nc5 13.Be2 Ne7 14.Nb3 Nb3 15.cb3 Bd7 16.Be5 Qa3 17.Qc2 f6 18.Bb2 =+.

8.Nf3 Nd7 9.Ne2 Qd6 10.d4 Ngf6 11.Nf4 e6 12.Bd3 Be7 13.0–0 0–0 14.Ne5 b5 15.Nh5 Ne8 16.Nf4 Qc7 17.Qf3 Nef6 18.Nh5 –/+.

8.Nf3 Nf6 9.Ne2 Nbd7 10.Ne5 Ne5 11.Be5 Nd7 12.Bc3 Qd6 13.d4 b5 14.Nf4 e5 15.de5 Ne5 16.Be2 Qf6 17.Bd4 Bd6 18.Nd5 =+.

8.f4 b5 9.Nf3 Nf6 10.Ne2 Ne4 11.Be5 Nd7 12.Ned4 Bb7 13.c3 Qa4 14.Qb1 e6 15.Bd3 Qa5 16.Nb3 Qb6 17.Nbd4 f6 18.Ne6 –+.

8.f4 b6 9.Nf3 Nf6 10.Be2 Bg4 11.Ne5 Be2 12.Ne2 e6 13.Bd4 Be7 14.Nd3 Qb5 15.f5 c5 16.Bf6 Bf6 17.fe6 fe6 18.Nef4 =+.

8.f4 Qc5 9.Nce2 Nf6 10.Nf3 Bf5 11.Ned4 Be4 12.Ne5 Nfd7 13.Nd7 Nd7 14.d3 Bg6 15.f5 Bh5 16.Be2 Be2 17.Qe2 Qb4 18.Kf2 –/+.

8.f4 Nd7 9.Nf3 Ngf6 10.Be2 e6 11.0–0 b5 12.Nb1 Qa5 13.Bc3 b4 14.Bb2 Qa2 15.Bf6 Nf6 16.c3 Ne4 17.Ne5 bc3 18.Nc3 –/+.

8.f4 e6 9.Nf3 Nd7 10.Ne2 Ngf6 11.Bc3 Qd6 12.Ng3 b5 13.Be2 Be7 14.Be5 Qa3 15.Bd4 Qa4 16.0–0 c5 17.Bf6 Nf6 18.Ne5 –/+.

8.f4 Bf5 9.Nf3 e6 10.Nh4 Be4 11.Ne4 de4 12.f5 Be7 13.Bg7 Bh4 14.g3 Bf6 15.Bh8 Bh8 16.fe6 Nf6 17.ef7 Kf7 18.Bg2 =+.

8.f4 Nf6 9.Nf3 b5 10.Ne2 Bg4 11.Bc3 Qd6 12.Be5 Qd8 13.Ned4 Nfd7 14.Be2 e6 15.0–0 b4 16.Bb8 Bf3 17.Nf3 Qb8 18.Qa1 =+.

7.Nc3 d6

8.Na2 Qa3 9.Qb1 e5 10.d4 e4 11.Ne2 d5 12.Bb2 Qa4 13.Ng3 b5 14.Be2 Nf6 15.Bc3 h5 16.Bb4 h4 17.Nf1 h3 18.Rg1 –+.

8.Na2 Qa5 9.Bc4 e5 10.Nf3 e4 11.Nd4 Qg5 12.Bf1 Nf6 13.f4 Qh6 14.Nc3 b5 15.Be2 Be7 16.0–0 0–0 17.Bb2 b4 18.Na4 –+.

8.Na2 Qb6 9.f4 Bf5 10.Nf3 Nf6 11.Bd4 Qa5 12.Nc1 Nbd7 13.Bd3 Bg4 14.h3 Qh5 15.Rg1 Bf3 16.Qf3 e5 17.Qh5 Nh5 18.Bb2 –/+.

8.Na2 Qg4 9.Ne2 b5 10.Nac1 e5 11.d4 Nd7 12.Nb3 Ngf6 13.Na5 c5 14.de5 de5 15.Nc6 Qe6 16.Na7 Ba6 17.Nc3 b4 18.Ba6 –/+.

8.Nce2 b5 9.f4 Nf6 10.Nf3 Bg4 11.Bc3 Qa4 12.Bd4 Nbd7 13.Bb2 Nd5 14.Ned4 Ne3 15.de3 Qb4 16.Qd2 Qb2 17.Qa5 f6 18.Qa8 –/+.

8.Nce2 e5 9.f4 e4 10.Bd4 d5 11.Ng3 c5 12.Bc3 Qb6 13.d3 ed3 14.Qd3 Ne7 15.Nf3 h5 16.Nh4 Nbc6 17.Be2 d4 18.ed4 –/+.

8.Nce2 Nf6 9.f4 b5 10.Nf3 Bg4 11.Bd4 Nbd7 12.Qa1 Qa4 13.Qb2 b4 14.Ng3 c5 15.Bf6 Nf6 16.Be2 g6 17.0–0 Bg7 18.Ra1 –/+.

8.Nf3 e5 9.Be2 Nf6 10.0–0 Be7 11.h3 0–0 12.Qb1 Qb1 13.Rb1 b5 14.d4 e4 15.Nh2 d5 16.f4 ef3! 17.Bf3 (17.Bf3 Bf5 Combination; 17.gf3 Bh3 Deflection; 17.Nf3 Bf5 Combination) 17...Bf5 18.Rb2 Bd6 19.Ra2 Nbd7 20.Kf2?? (20.g4 Bg6–/+) 20...Nb6 (20...Bh2 21.g4 Bg6 22.g5 Ne4 23.Ne4 de4 24.Be2–+) 21.Ke2?? (21.Ng4 Nfd7–/+) 21...Ra8 (better is 21...Bh2 22.g4 Bg6–+) 22.Ra8 Na8 23.Kd2?? (23.Ng4 Bc2 24.Nf6 gf6 25.e4–+) 23...Nb6 (23...Bh2!? 24.g4 Bg6 25.g5 Ne4 26.Ne4 de4 27.Bg4–+) 24.e4 (24.Nf1–+) 24...Ne4 (24...Bh2?! 25.ef5 b4 26.Na2 Nc4 27.Kd3–/+) 25.Ne4 de4 (25...Be4?! 26.Be4 de4 27.Ng4–+; worse is 25...Bh2 26.Nf2–+) 26.Bg4 Bg6 (26...Bh2?! 27.Bf5 Bf4 28.Ke2–+) 27.Kc3 (27.Nf1–+) 27...Bh2 28.Bb2 Bg1 (better is 28...f5 29.Be2 Na4 30.Kb3 Bf7 31.c4 Nb2 32.Kb2 Bc4 33.Bd1–+) 29.Kd2 (29.Kb4 e3 30.Bc1 Be4–+) 29...Nc4 30.Kc1 Be3 31.Kb1 Nb2 32.Kb2 Bd4 33.c3 (33.Kb3 f5 34.Be2 Bf7 35.c4 Be5–+) 33...Be5 34.Kb3 f5 35.Be2 Bf7 36.Kc2 Bc4 37.Bd1 Bf1 (better is 37...e3!? 38.h4–+) 38.c4 Bc4 39.g4 f4 40.Kd2 e3 41.Ke1 Bd5 42.Be2 f3 43.Bd3 e2 44.h4 Bg3 45.Kd2 e1Q 46.Kc2 Be4 47.Be4 Qe4 48.Kc3 c5 0–1. ventil (1660) – sergiulpt (1930), kurnik, 2014.

8.f4 b5 9.Nf3 Nf6 10.Be2 e6 11.Na2 Qa3 12.Bf6 gf6 13.Nc3 d5 14.Nb1 Qe7 15.0–0 e5 16.Kh1 e4 17.Nd4 Rg8 18.Qe1 –/+.

8.f4 Nd7 9.Nce2 e5 10.Bc3 Qb6 11.Qa1 f6 12.Nf3 Ne7 13.e4 Nc5 14.d3 Qd8 15.Bd2 b5 16.Be3 ef4 17.Nf4 f5 18.e5 –/+.

8.f4 e5 9.Nce2 e4 10.Bc3 Qa4 11.Ng3 Ne7 12.N1e2 Nd5 13.Ba1 Nb4 14.Nd4 d5 15.Be2 Bd7 16.Bc3 c5 17.Nb3 c4 18.Na1 –/+.

8.f4 Nf6 9.Nf3 Nbd7 10.Ne2 b5 11.Bd4 e6 12.Bc3 Qa3 13.Ned4 Bb7 14.Qb1 Qa4 15.Be2 b4 16.Qa1 Qa1 17.Ba1 c5 18.Nb5 –/+.

7.Nc3 e5

8.Nce2 d6 9.f4 e4 10.Bc3 Qa4 11.Ng3 Ne7 12.N1e2 Nd5 13.Ba1 Nb4 14.Nd4 d5 15.Be2 Bd7 16.Bc3 c5 17.Nb3 c4 18.Na1 –/+.

8.Nce2 e4 9.Bc3 Qc5 10.Bd4 Qg5 11.Nf4 d5 12.Ngh3 Qh4 13.c4 dc4 14.Bc4 b5 15.Qb1 Bh3 16.Nh3 Nd7 17.Be2 c5 18.Bb5 =.

8.Nce2 Qe7 9.d4 e4 10.d5 Nf6 11.c4 cd5 12.cd5 Qa3 13.Bf6 gf6 14.f3 Qe3 15.Qd4 Qd4 16.Nd4 Bc5 17.Nb3 Bb4 18.Kf2 –/+.

8.Nce2 f6 9.Nf3 d5 10.Bc3 Qa4 11.Ng3 Bd6 12.d4 Bg4 13.Qd3 Na6 14.de5 Nb4 15.Qd1 fe5 16.Be2 Bf3 17.Bf3 Nh6 18.0–0 –/+.

8.Nf3 d6 9.Be2 Nf6 10.Ng5 b5 11.0–0 h6 12.Nf3 Be7 13.d3 Nbd7 14.e4 Qa5 15.Qb1 0–0 16.Rd1 Nc5 17.d4 ed4 18.Nd4 –/+.

8.Nf3 e4 9.Ne5 d6 10.Nc4 b5 11.Na2 Qc5 12.Bd4 Qg5 13.Nb6 Bg4 14.Qa1 d5 15.Nb4 Bb4 16.Bg7 Bc5 17.h4 Qd8 18.Bh8 +/–.

8.Nf3 f6 9.Ne2 d5 10.Ng3 Bd6 11.Bc3 Qa3 12.Be2 Ne7 13.0–0 0–0 14.Qa1 b5 15.Qa3 Ba3 16.Ra1 b4 17.e4 Rd8 18.d3 –/+.

7.Nc3 Nf6

8.Nf3 b5 9.Be2 Qa5 10.Bd3 d5 11.0–0 Nbd7 12.e4 Nc5 13.e5 Ng8 14.Ne1 Qc7 15.Be2 Bf5 16.d4 Ne6 17.Bd3 Nh6 18.Ne2 =+.

7.Nc3 Nf6 8.Nf3 d5 9.Nb1 Nbd7 10.Bf6 Nf6 11.c3 Qb2 12.Be2 Bf5 13.d3 e6 14.0–0 Bd6 15.Nh4 Bg6 16.Qd2 Qb6 17.Ng6 hg6 18.h3 –/+.

8.Nf3 d6 9.Ne2 e5 10.Ng3 b5 11.Be2 Be7 12.e4 0–0 13.0–0 Rd8 14.Qb1 Na6 15.d4 ed4 16.Qb4 Nb4 17.Nd4 Bd7 18.Rd1 –/+.

7.Nf3 d5

8.Bc3 Qa4 9.Bd3 Nd7 10.0–0 Ngf6 11.Ne5 e6 12.f4 Be7 13.Qc1 0–0 14.h3 (14.Qb2 Ne5 15.Be5 Qb4–/+) 14...Nc5 15.g4 (15.Bd4 Nfe4–/+) 15...Nd3 16.cd3 c5 17.Qa3 Qe8 18.f5 (18.Qb3 b5–+) 18...ef5 19.gf5 Bd6 20.Ng4 (20.Qa1–+) 20...Ng4 21.hg4 Qc6 (21...Qe7!? 22.Rf2 d4 23.Ba1–+) 22.d4 (22.Qc1 d4 23.Bb2 b5–+) 22...cd4 23.Bb4 Bb4 24.Qb4 de3 25.de3 Re8 26.Re1 (26.Rd1 Re3 27.Qa5 h5 28.Qd5 Re1 29.Kf2 Rd1 30.Qd1 Qb6 31.Kf3 hg4 32.Kg4 Qg6 33.Kf4 Qf5 34.Kg3 Qh3 35.Kf2 Qh2 36.Ke3 Qg3 37.Ke4 f5 38.Kd5 Kf7–+) 26...Qh6 (better is 26...Re4 27.Qa5 Rg4 28.Kf2–+) 27.Qb5 Qc6?? (27...Rd8 28.Qe2–+) 28.Nc3?? (28.Qb4 Re4 29.Qa5 Rg4 30.Kf2–+) 28...Qb5 (better is 28...d4!? 29.Qc6 bc6–+) 29.Nb5 Bd7 30.Nd6 Rb8 31.e4 de4 32.Re4 Bc6 (32...Kf8 33.Kf2–+) 33.Re7 f6 34.Kf2 Kf8 35.Re3? (35.Rf7 Kg8 36.Rc7–+) 35...b5 (better is 35...Rd8 36.Nc4 Rd4 37.Na5 Rg4 38.Nc6 bc6 39.Kf3–+) 36.Kg3? (36.Rc3 Rb6–+) 36...b4 (better is 36...Rd8 37.Re6 Bd5 38.Nb5 Be6 39.fe6 Ke7–+) 37.Re2 (37.Nc4–+) 37...b3 38.Rb2 Ke7 (better is 38...Bd5–+) 39.Nc4 Bd5 (39...Rb4 40.Re2 Kf7 41.Nb2–+) 40.Ne3 Bf7 41.Kf4 Rb4 42.Kg3 h5 43.gh5 Bh5?? (better is 43...Kd6–+) 44.Nd5+– (44…Kd6 45.Nb4+–) 1–0. AllKnighter – ARMAGEDON_8, ChessWorld.net, 2003.

8.Bc3 Qb6 9.Bd4 c5 10.Be5 Nc6 11.Nc3 e6 12.Bg3 (12.Bf4 c4=+) 12...Nf6 (12...c4 13.Be2=+) 13.Nb5 Be7?? (better is 13...c4 14.Nc7 Kd8=+) 14.Bc7+– (14...Qa6 15.Nd6 Bd6 16.Ba6 (< 16.Bd6 Qb6=+) 16...Bc7 17.Bb5+–) 1–0. Pintonello,Gilberto – Lielmezs,Girts, TE–2004–P–01712, 2004.

8.Bd3 Bg4 9.Bc3 Qb6 10.0–0 Nd7 11.h3 Bh5 12.g4 Bg6 13.Bg6 hg6 14.d3 Rh3 0–1. van Rijsbergen – Barlow (2505), e–mail Waltmans 1996.

8.Be2 Bf5 9.Nd4 Bg6 10.f4 e6 11.0–0 Nf6 (11...Ne7 12.Bc3 Qd6 13.d3=+) 12.g4 (12.f5 ef5 13.Nf5 Nbd7=+) 12...h6 (12...Qa5 13.Bc3 Bb4 14.f5 Bc3 15.Nc3 ef5 16.gf5+/–) 13.f5=+ ef5 14.Nf5 Nbd7 15.Rf4 Qb6 16.Ra4 Qd8 17.c4 (17.Bd4 h5 18.Nh4 Be4 19.gh5 Nh5–+) 17...Bf5 (17...dc4 18.Rc4 h5 19.d3–+) 18.gf5–/+ dc4 (better is 18...Nb6 19.Ra7 Nc4 20.Bc4 dc4–/+) 19.Bc4? (19.Rc4 Bd6–/+) 19...Nb6 (better is 19...b5 20.Bf6 Nf6 (20...Qf6?! 21.Ra8 Ke7 22.Bd3–/+) 21.Bf7 Kf7 22.Ra7 Be7–+) 20.Qb3–/+ Na4 21.Bf7 Kd7 22.Be5?? Nc5–+ 23.Be6 Ke8 24.Bf7 Ke7 25.Qa2 Nd5 26.Be6 Ne6 27.Nc3 Nc5 28.Qc4 Ke8 29.Ne4 Ne4 30.Qe4 Qg5 31.Kh1 Be7 (32.Qb1 b5–+; 31...Ne7 32.d4–+) 0–1. Heinzel,Mark – Scherer,Stefan, Augsburg op 2nd, 1995.

7.Nf3 Nf6

8.c3 Qa5=+ 9.Bb2 d5 10.Be2 Nbd7 11.0–0 (11.c4 dc4 12.Bc4 e6=+) 11...e5–/+ 12.c4 e4 Black gets in control 13.Ne5 Bd6 14.Nd7 Bd7 15.Bf6 gf6 16.cd5 Qd5 17.Nc3 (17.f3 Qe5 18.f4 Qf5–/+) 17...Qe5 Do you see the mate threat? 18.g3 h5 (better is 18...Bh3!? 19.Re1 Bb4–/+) 19.d4 Qe7 20.Bh5? (20.Qa4 Qe6 21.Ne4+/–) 20...Bh3–+ 21.Re1? (better is 21.Be2 Bf1 22.Bf1–+) 21...f5 (21...Bb4 22.Qa1 Rh5 23.Qa8 Qd8 24.Qb7 Bc3 25.Qc6 Bd7 26.Qc3 Qb8–+) 22.Be2=+ Qg5 (22...Bb4 23.Qc2=+) 23.d5 (23.Qb3 b5=+) 23...c5 (23...Be5 24.Qa1 cd5 25.Qa4 Kf8 26.Nd5 Kg7=) 24.Qa4+= Kf8 (24...Ke7 25.Rb1 Rb8 26.Qa7+/–) 25.Qa8 Kg7 26.Qb7 Bg4 (26...Qh6 27.Rd1+=) 27.h4 (better is 27.Bg4 Qg4 28.Qd7+/–) 27...Rh4?? (better is 27...Qg6+=) 28.gh4+– Be2 (28...Qh4 29.Bg4 Qg4 30.Kf1 Be5+–) 29.hg5 (29...Bd3 30.Qc6+–) 1–0. Plock,Joerg – Mueller,D, Magdeburg GER, 1990.

8.Bc3 Qg4 =+.

8.c4 d6 9.Be2 e5 10.0–0 Be7 11.d4 ed4 12.ed4 0–0 13.Nbd2 Bf5 14.Qc2?? (better is 14.Nh4 Be6 15.Qc2=) 14...Bc2–+ 0–1. brother – wrkostek66 (1690), kurnik, 2014.

8.Be2 d6 9.0–0 e5 10.Nc3 Be7 11.d3 0–0 12.h3 Nbd7 13.Nd2 Nc5 14.Nde4 (14.Qb1!? Qb1 15.Rb1–/+) 14...Nfe4–+ 15.de4 Ne4 16.Ne4 Qe4 17.Bd3 Qh4 18.Bb2 Be6 19.Bc1 (19.Qa1–+) 19...b5 20.Bd2 d5 21.Kh2 (21.Qa1 e4 22.Be2–+) 21...e4 22.Be2 Bd6 23.Kg1 f5 (23...Ra8 24.Bh5–+) 24.Be1? (24.Qa1–+) 24...Qh6 (24...f4!? 25.f3 Qg5 26.h4–+) 25.f4 ef3! 26.Bf3 (26.Bf3 Qe3 Combination; 26.Rf3 Bc5 Combination; 26.gf3 Qh3 Deflection (26...Qg6 Decoy)) 26...Qe3 27.Bf2 Qe5 28.g3 f4 29.g4 Qc3 30.Kg2 Bc5 (30...Re8 31.Bd4 Qc4 32.Re1–+) 31.Bc5? (31.Qe1 Qe1 32.Re1–+) 31...Qc5 32.Qe2 Bf7 33.Qe5 (33.Qd2 Bg6 34.c3 Qc4–+) 33...Qc2 (33...Qc2 34.Rf2 Qc1–+) 0–1. sunnyda – wrkostek66 (1605), kurnik, 2014.

8.Bf6 gf6 9.Be2 b5 10.0–0 d5 11.d4 Nd7 12.h3 Bg7 13.c3 Qa5 14.Nh4 Qc7 15.Nf5 Bf8 16.Bg4 (16.Qc2 e6 17.Ng3 f5+=) 16...h5 (16...e6!? 17.Ng3 f5–/+) 17.Bh5–/+ Nb6 18.Bg4 e6 19.Ng3 f5 20.Be2 Bd6 21.Nh5 Qe7 22.Nf4 Qh4 23.Qd2 Rg8 24.Kh2 e5 25.de5 Be5 26.g3 Qh6 27.Qd1 Rh8 28.h4 Nd7 29.Nd2 Nf6 30.Nb3 (30.Qa1 Ne4 31.Qa8 Ke7 32.Qa7 Bd7=) 30...Ng4 (better is 30...Bc3!? 31.Nd4 Ne4+=) 31.Bg4+= fg4 32.Nd4 Bf4 0–1. joaquimbage – xhoni555, kurnik, 2014.

6.Nf3 Qb4

7.Bc3 Qa4 8.e3 d6 9.d4 Bf5 10.Bd3 Bd3 11.Qd3 Nf6 12.0–0 Qa6 13.Qa6 ba6 14.Nbd2 e6 15.Rb1 Nbd7 16.Rb7 Be7 17.Ra7 Nb8 18.Ba5 Nfd7 19.Bc7 f6 20.Ne4 d5 21.Nd6 Bd6 22.Bd6 Kf7 23.Ra8 Re8 24.Kf1 e5 25.de5 fe5 26.Be5 Ne5 27.Ne5 Re5 28.Rb8 Re4 29.Rb6 Rc4 30.Ra6 Rc2 31.Ra7 ½–½. marekt – boon, gameknot.com, 2001.

7.Bc3 Qb6 8.Na3 d5–/+ 9.e3 Nd7 10.Qa1 Ngf6 11.Be2 e6 12.0–0 Bd6 13.Rb1 Qa7 14.Nb5= Qb8 15.Nd6 Qd6 16.Ne5 Ne5 17.Be5 Qe7 18.Qd4 0–0 19.Bd3 Rd8 20.Qh4 h6 21.h3 Re8 22.Qg3 Rd8 23.Ra1 Ne8 24.Bd4 c5 25.Bb2 c4 26.Be2=+ Bd7 27.Bc3 Bc6 28.d3 b5=+ 29.Bd4 Ra8 30.Ra8 Ba8 31.Qb8 Bc6 32.Qb6 Qb7 33.Qc5 Bd7 34.Qb4 Qa6 35.Qc5 Qc6 36.Qe7 Qd6 37.Qd8 f6 38.Bc5= Qc5 39.Qd7+= Nc7? 40.Qd8+– Kh7 41.Bh5 Na6 42.Bf7 h5 43.Qg8 Kh6 44.Qh8 Kg5 45.Qh5# 1–0. jaskier (2095) – Brukske, internet, 2006.

8.Bc3 Qb6 9.Be2 Nf6 10.d3 Bg4 11.0–0 Nbd7 12.Nbd2 e6 13.Qa1 Qc7 14.Rb1 b5 15.Qa8 Ke7 (15...Nb8!?=) 16.Nd4+= Be2 17.Nc6 Kd6 18.Nd4 Bd3 (18...Nb6!? 19.Nb5 Kd7+/–) 19.cd3+– (19.cd3 Nb6 20.Qa5+– (worse is 20.Nb5 Kd7 21.Qa5 Qc6+–)) 1–0. Tonkov,Bojan (2320) – Dimitrov Hr,Dimitar, Dimitrovgrad op 1st, 2009.

7.Bc3 Qg4 8.e3 d5 9.h3 Qe6 10.Be2 Nf6 11.0–0 Nbd7 12.d4 Qd6 13.Nbd2 g6 14.Qa1 Bg7 15.Qa5 b6 16.Qa8 0–0 17.Ne5 c5 18.Rb1 Qc7 19.Qc6 Qc6 20.Nc6 Re8 21.Na7 e6 22.Bb5 Rf8 23.dc5 bc5 24.f4 h6 25.g4 =+. JanP – Steinutz, ChessWorld.net, 2002.

7.Nc3 Nf6 8.e3 d5 9.Bd3 e6 10.Ne2 Be7 11.Bc3 Qb6 12.Qa1 0–0 13.0–0 c5 14.Rb1=+ Qd8 15.Bb5 Nbd7 16.d3 Qc7 17.Ng3 Bd6 18.Bd7 Qd7 19.Bf6+/– gf6 20.Nh5 Be7 21.Qf6! Bf6 22.Nf6 Kg7 23.Nd7 ½–½. Whiterose – touchdown, ChessWorld.net, 2006.

7.e3 (--> 6.e3 Qb4 7.Nf3).

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