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1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Nbd7

(...)

5.a3 c5 6.b5 b6 7.Nc3 a6 8.Rc1 ab5 9.Nb5 Ba6 10.Nc3 Rb8 11.Be2 e4 12.Qc2 Be7 13.Ne4 0–0 14.Nc3 Bb7 15.Bd3?? (better is 15.e4+/–) 15...Bg2–+ 16.Nf3 Bh1 (worse is 16...Bf3 17.Rg1–+) 17.Ke2 Bf3 18.Kf3 Ne5 19.Ke2 Re8 20.Rg1 g6 21.Be4 (21.f4 Nd3 22.Qd3 Bf8–+) 21...Qd7 (21...Nc4 22.Bc6 Rf8 23.Ba1–+) 22.Bd5 (22.Bf5 Qc6 (22...Qf5?! 23.Qf5 Nc4 24.Ba1=) 23.Ne4 b5–+) 22...Nd5 (22...b5!? 23.Ne4 Nd5 24.cd5–+) 23.Nd5 Qh3 24.Rg3 Qh5 25.Ke1 Bh4 26.Rg2 (26.Be5 Qe5 27.Rh3 Qg5–+) 26...Nf3 (better is 26...Qf3 27.Rg3 Bg3 28.hg3–+) 27.Kf1 Ne5 28.Nf4?? (28.Ke1 Qf3 29.Rg3 Bg3 30.hg3–+) 28...Qf3–+ 29.Be5 de5 (29...de5 30.Nd3 e4–+) 0–1. lican – timea123, kurnik, 2012.

7.a3 g6 6.Nc3 Bg7 7.Be2 0–0 8.Bf3 Re8 9.d3 Nf8 (9...e4!? 10.de4 Ne5–/+) 10.Qc2 c6 11.Nge2 d5 12.Rd1 Ne6 13.Nc1 (13.cd5 cd5 14.Qb3 d4+=) 13...h5 (better is 13...Ng5!?–/+) 14.Nb3+= h4 15.h3 a6 16.a4 (better is 16.0–0!?=) 16...Ng5–/+ 17.a5 Nf3 18.gf3 Bf5 19.e4 Bc8 20.Ne2 Qe7 21.Nc5 dc4 22.dc4 Nh7 23.Qc3 Nf6 24.Kf1 (24.Qc2!?=) 24...Nh5+= 25.Rh2 Kh7 26.Kg1 Be6 27.Ne6 Qe6 28.Kg2 Rad8 29.Rhh1 Rd7 30.Bc1 Red8 31.Rd7 Rd7 32.Qc2 Qd6 33.Re1? (better is 33.c5 Qe6 34.Bd2–/+) 33...Qb4–+ 34.Qc3 Qc3 35.Nc3 Bf8 36.Be3 Bb4 37.Rc1 Ba5 0–1. Macedo,A Soares De (1965) – Fernando,Diogo (2495), ITT NATAL, 2009.

5.a4 a5 6.b5 Nc5 7.d3 Be7 8.Be2 0–0 9.Nf3 e4 10.de4 Nfe4 11.Nd4 Bf6 12.0–0 Qe7 13.Nc3 Nc3 14.Bc3 Ne6 15.Bf3 0–1. Radwan,Jan (1740) – Karolak,Jan (1940), Rowy/Fregata Poland, 2009.

5.Qb3 a5 6.Qa4+=.

5.Qb3 g6 6.d4= Bg7 7.Nd2 0–0 8.Qc3 (8.Ngf3 ed4 9.Nd4 a5=) 8...Re8 (better is 8...ed4 9.ed4 Re8 10.Ne2 d5–/+) 9.Rd1? (better is 9.Ngf3+=) 9...ed4–+ 10.Qd4? (better is 10.Qa3 de3 11.fe3–+) 10...Nh5 11.Qd3 Bb2 12.Ndf3 (12.Be2 Qg5 13.Ne4 Qe7–+) 12...Ne5 (12...a5 13.Qd2 Bf6 14.ba5–+) 13.Ne5 Be5 (13...Re5 14.Qb3 Qf6 15.g4 Bg4 16.Be2–+) 14.Nf3 Bg4 (14...Nf4 15.Qd2 Bg7 16.c5–+) 15.Be2 Bg7 16.c5 Qf6 (16...Bf5 17.Qd2–+) 17.cd6 Qc3 (better is 17...cd6 18.Qd4 Qe6–+) 18.Nd2 (18.Qc3 Bc3 19.Kf1 cd6 20.Rd6–+) 18...Qd3 19.Bd3 Bd1 20.Kd1 cd6 21.Nc4 b5 (21...b5 22.Na5 a6–+) 0–1. Pfendtner,Gerald – Hausen,Manfred, Baden–ch AT Waldshut, 1991.

5.Qc2 b6 6.Nf3= (6.Nc3 c5 (6...Bb7 7.Nf3 Bf3 8.gf3 a5 9.b5 Be7 10.Bg2 Rc8 11.Rg1 0–0 12.d3 Nc5 13.Nd5+=) 7.b5 (7.a3 Be7 8.Be2 0–0 9.Nf3 Re8 10.0–0 Bb7 11.Qf5 d5 12.bc5 dc4 13.cb6=) 7...Bb7 8.Nf3 a6 9.ba6 Ra6 10.Be2 Be7 11.0–0 0–0 12.Rfb1 Re8 13.e4=) 6...Be7 (6...Bb7 7.Nc3 (7.b5 c6 8.bc6 Bc6 9.d4 Rc8 10.de5 de5 11.Ne5 Bb4 12.Bc3 Ne5 13.Bb4=) 7...Be7 8.Be2 a6 9.0–0 a5 10.b5 0–0 11.d4 Re8 12.de5 de5 13.Rfd1+=) 7.d4 (7.Be2 a6 8.0–0 0–0 9.d4 Bb7 10.a3 ed4 11.Bd4 Be4 12.Qa4 a5 13.b5+=) 7...ed4 8.ed4 (8.Nd4 Bb7= 9.Bd3 Ne5 10.f3 Nd3 11.Qd3 d5 12.a3 dc4 13.Qc4=) 8...0–0 (8...d5 9.a3+= 0–0 10.Be2 dc4 11.Bc4 Bb7 12.Nbd2 a5 13.b5=) 9.Be2 (9.d5 Ne5= (9...a5 10.ba5 Ra5 11.Nd4 Ra8 12.Nc6 Qe8 13.Be2=) 10.Be2 b5 11.cb5 Nd5 12.Ne5 de5 13.0–0=) 9...Bb7 (9...d5 10.a3= dc4 11.Bc4 Bb7 12.Nbd2 a5 13.b5=) 10.Nbd2 (10.0–0 c5 11.b5 d5 12.Re1 Re8 13.Qf5=) 10...a5 (10...Re8 11.0–0 d5 12.c5 c6 13.Rfe1=) 11.b5 d5 12.0–0 dc4 (12...Re8 13.Rfe1=) 13.Bc4 Nd5 14.a3 Rc8 15.Qb3 N7f6 16.Ne5 Qd6 17.Rfe1 Rcd8 18.Rac1 Rc8 19.f3 Qd8 20.Ne4 Qe8 (20...Nh5 21.Nc6 Bc6 22.bc6+/–) 21.Ng3 (21.Nf6 Nf6 22.Re2 Rd8+–) 21...g6 (21...Qd8 22.Nf5 Bd6 23.f4+/–) 22.Rc2 (22.Nc6 Bc6 23.bc6 Qd8+–) 22...Nf4 (22...Ra8 23.Ne4 a4 24.Qa2+/–) 23.Nc6 (better is 23.Bc1!? N6d5 24.Re4+–) 23...Bc6+/– 24.bc6 Qd8 25.Ne4 Ne4 (25...Ra8 26.g3 a4 27.Qa2 Nh3 28.Kg2 Ne4 29.fe4 (29.Kh3 Nd6)) 26.Re4 (26.fe4 Bf6 27.e5 Bg5) 26...Qd6 27.Bc1 Nh5 28.Bh6 Ng7 29.Bf4 (29.Rce2 Bf6 30.d5 Rfe8) 29...Qd8 (29...Qa3 30.Qa3 Ba3 31.Ba6) 30.Be5 Nf5 31.Rf4 (31.Rce2) 31...Bg5 32.Re4 Nd6 (32...Be7 33.Ba6 Rb8 34.Rd2) 33.Rce2 (33.Re1) 33...Ne4 34.fe4 Qe7 (34...Bf6 35.Bf6 Qf6) 35.Rf2 Qe8 (35...Rce8 36.Qh3) 36.Qc3 (36.Qg3 Qd8 37.Rf3) 36...h5 (36...Qe7) 37.Qg3 Bh6 (37...Qe7 38.h4 b5) 38.Qg6 1–0. Kunic,Mehmedalija – Hoel,Hakon, 34th Norwegian Open, Oslo NOR (3), 2003.

5.Qc2 c5 6.b5 Be7 7.Nc3 0–0 8.Nf3 Nb6 9.Ng5 h6 10.h4 a6 (worse is 10...hg5 11.hg5 Re8 12.gf6 Bf6 13.Qh7 Kf8 14.a4+=) 11.Nd5 Nbd5 (worse is 11...hg5 12.hg5 Nbd5 13.cd5+=) 12.cd5 ab5 (worse is 12...hg5 13.hg5 g6 14.gf6 Bf6 15.ba6 ba6 16.Rb1+=) 13.Bb5 Bd7 (worse is 13...hg5 14.hg5 g6 15.gf6 Bf6 16.e4=) 14.Be2 Re8 (14...hg5?! 15.hg5 Re8 16.gf6 Bf6 17.Qh7 Kf8 18.Qd3=) 15.f4 Ba4 (15...hg5 16.hg5 ef4 17.gf6 Bf6 18.Qh7 Kf8 19.Qh8 Ke7 20.Bf6 gf6 21.Qh7=) 16.Qb1 ef4 (16...hg5?! 17.hg5 ef4 18.ef4=) 17.ef4 Bd7 (17...hg5?! 18.hg5 b6 19.Bf6 Bf6 20.Qh7 Kf8 21.Qh8 (21.gf6 Qf6 22.Rb1 Qf4–+) 21...Ke7 22.gf6 gf6 23.Qg7=; 17...Nd5?? 18.Qh7 Kf8 19.Qg7) 18.Kf1 Ra4 (18...hg5 19.hg5 Ra4 20.gf6 Bf6 21.Qh7 Kf8 22.Qh8 Ke7 23.Bf6 gf6 24.Qh4+=) 19.g3 hg5 20.hg5 Ne4 21.Kg2 Bg5! 22.fg5 (22.Bd1 Rb4 23.Bb3 Bf6–+) 22...Qg5 (22...Ng5?! 23.Bd3 Qc8 24.Qd1 Bh3 25.Kh2–+) 23.Qd3 Ng3! (23...Qd2?! 24.Qd2 Nd2 25.Rhe1–+) 24.Qh7 (24.Qg3 Re2 Double attack (24...Re2 Discovered attack; 24...Re2 Deflection; 24...Re2 Overloading)) 24...Kf8 25.Qg7 Qg7 26.Bg7 Kg7 27.Bd1 Nh1 28.Ba4 Ba4 29.Kh1 Re5 0–1. combijack (1755) – gobbo61 (1840), gameknot.com, 2010.

5.Qc2 c6 6.Nf3 Qc7 7.Nc3 h6 8.a3 a6 9.Be2 Be7 10.0–0–0 (10.d4 0–0+=) 10...Nf8 11.d4 g5 12.de5 de5 13.Ne5 Qe5 (better is 13...a5!? 14.Nd3 ab4 15.ab4 Bf5+=) 14.Nd5+– Qc7?? (better is 14...Qb2 15.Kb2 cd5 16.cd5 Bd7+–) 15.Nc7 1–0. combijack (1815) – lemon_twist, gameknot.com, 2012.

5.Nc3 a5 6.b5 Nc5 7.h3 b6 8.Be2 Bb7 9.Nf3 Be7 10.0–0 0–0 11.d4 ed4 12.ed4 Nce4 13.Ne4 Be4 14.Bd3 d5 15.Ng5 Bd3 16.Qd3 Ne4 17.Ne4 de4 18.Qe4 Bf6 19.Rab1 Re8 20.Qg4 Qc8 21.Qc8 Rac8 22.d5 Bb2 23.Rb2 Re4 24.Rc2 Kf8 25.f3 Re3 26.Kf2 Rce8 27.Rd1 Ra3 28.Rdd2 Rd8 29.c5 bc5 30.Rc5 Rd7 31.Rc6 g6 32.b6 cb6 33.Rb6 Kg7 34.d6 Kf6 35.Re2 Rd3 36.Ra6 R3d6 37.Ra5 h5 38.a4 Rd5 39.Ra6 Kg7 40.a5 Rd2 41.Ra8 Re2 42.Ke2 Rd4 43.a6 Ra4 44.a7 g5 45.Kd3 Kf6 46.Rh8 Ra7 47.Rh5 Kg6 48.Rh8 Kg7 49.Re8 Ra2 50.Re2 Ra3 51.Ke4 Kg6 52.Re3 f5 53.Kd5 Re3 0–1. laszlotamas – deksla, internet, 2013.

5.Nc3 a6 6.Nf3= b6 7.Be2 Be7 (7...c5 8.a3=) 8.0–0 0–0 9.Qc2 c5 10.Ng5 (better is 10.bc5!? dc5 11.d4 ed4 12.ed4 cd4 13.Nd4=) 10...h6–/+ 11.Nge4 Ne4 (11...cb4 12.Nf6 Nf6–/+ (worse is 12...gf6 13.Nd5 Bb7 14.Bf3+/–; 12...Bf6?! 13.Nd5=)) 12.Qe4= Rb8 (12...Ra7 13.a3=) 13.Nd5 (13.b5 Nf6 14.Qc2 Ra8+=) 13...Nf6= 14.Ne7 (14.Nf6 Bf6 15.a3 Bb7=) 14...Qe7+= 15.Qh4 cb4 16.f4 e4 (16...Re8 17.Rab1+=) 17.f5= Bb7 (17...Re8 18.g4=) 18.Rf4 (18.Rfb1 Nd5 19.f6 Nf6+=) 18...Rbd8 (18...Rfc8 19.Rb1=) 19.Rg4 (19.Rb1 a5=) 19...Rd7?? (better is 19...Kh7=) 20.Qh6 1–0. Wall,Bill – Charles, Palo Alto, CA, 1988.

5.d3 c6 6.Nd2 Be7 7.Ngf3 b6 8.a3 Bb7 9.Be2 0–0 10.0–0 Re8 11.Re1 Bf8 12.Rc1 d5 13.Qc2 c5 14.bc5 Bc5 15.Nb3 Bd6 16.cd5 Nd5 17.d4 Rc8 18.Qf5 Rc1 19.Rc1 g6 20.Qh3 ed4 21.Nbd4 Ne5 22.Nb5 Nf3 23.Bf3 (23.gf3 Nf4 24.ef4 Bf4=; 23.Qf3?? Nf4 24.ef4 Bf3 25.Bf3 Bf4–+) 23...Be5 24.Be5 Re5 25.Rd1 Qe7 26.Rc1?? (26.Na7 Nc3 27.Rd7 Qa3 28.g4 Qa1 29.Kg2+=) 26...Kg7 (26...Re3!? 27.Kf1 Rb3–+) 27.Qg3 a6 28.Bd5 Bd5 29.Nc7 Bg2! 30.f4 (30.Kg2 Rg5 Combination; 30.Qg2 Rg5 Pinning (30...Rg5 Decoy)) 30...Rc5 (better is 30...Qa3!? 31.Re1 Re7–+) 31.Rc5–/+ Qc5 32.Na6 Qa3 33.Kg2 Qa6 34.f5 (34.Qe1 Qa2 35.Kg3 Qb2–/+) 34...Qb7 (better is 34...Qe2!? 35.Kg1 Qd1 36.Kf2 Qc2 37.Ke1 Qf5 38.Qd6–+) 35.Kf2 f6 36.h4 b5 37.h5 g5 38.Qd6 h6 (better is 38...Qe4!? 39.h6 Kh6 40.Qf6 Kh5 41.Qf8–+) 39.Qb4 Qd7 40.e4 Qe8 41.Kg3? (better is 41.Qd6–/+) 41...Qh5–+ 42.e5 (42.Qb5 Qh4 43.Kg2 Qe4 44.Kg1–+) 42...Qh4! (42...Qh4 43.Qh4 gh4 44.Kh4 fe5–+) 0–1. Bartle,Georg (1785) – Weissflog,Hans_Dieter (1940), Emmendingen GER, Badischer Ch–B, 2012.

5.d4 c6 6.de5 de5 7.c5 Be7 8.Nf3 Qc7 9.Be2 0–0 10.–0 e4 11.Nd4 Ne5 12.Nd2 Neg4 13.g3 Qe5 (13...a5 14.a3=) 14.Qc2 (better is 14.Nc6 Qc7 15.Ne7 Qe7 16.Nc4+–) 14...Qh5= 15.h4 g5 (better is 15...Qg6!? 16.Kg2 Rd8=) 16.Ne4 gh4 17.Nf6 (17.Nc6 bc6 18.Bg4 Ng4 19.f3+=) 17...Bf6= 18.gh4 Qh4 19.Bg4?? (better is 19.Nf3 Qh5 20.Rfd1=) 19...Qg4–+ (19...Bg4?! 20.Qe4+=) 20.Kh1 Qh5 21.Kg1 Bh3 (21...Qg5!? 22.Kh1 Qh4 23.Kg1–+) 22.f4 Kh8 23.Kf2?? (23.Nf3 Rg8 24.Ng5 Rg5 25.fg5 Qg5 26.Kh1 Bf1 27.Rf1 Qh5 28.Qh2 Qh2 29.Kh2 Bb2 30.Rf7–+) 23...Bh4 (23...Bf1?! 24.Nf3 Bb2 25.Qb2 f6 26.Rf1–+) 24.Kg1 Rg8 25.Kh1 Bg2 26.Qg2 Rg2 27.Kg2 (27.Ne2 f6 28.Kg2 Rg8 29.Ng3 Rg3 30.Kh2 Qe2 31.Rf2 Qf2 32.Kh1 Qg2) 27...Qg4 (27...Rg8 28.Kh2 Bf6) 28.Kh1 (28.Kh2 Qg3 29.Kh1 Qh3 30.Kg1 Rg8) 28...Qh3 (28...Qh3 29.Kg1 Rg8) 0–1. kaasparov – cucrapok, internet, 2013.

5.d4 ed4 6.Bd4 c5=.

5.d4 d5 6.a3 e4 7.Qc2 c6 8.Nc3 Nb6 9.c5 Nbd7 10.f3 Qe7 11.fe4 de4 12.Bc4 Ng4 13.Ne4?? (better is 13.Bc1 f5 14.b5=) 13...Ne3–+ 14.Nd6 (14.Bf7 Kd8 15.Qe2 Qe4 16.Kf2 Qh4 17.Ke3 Qe7 18.Kf2 Qf7 19.Nf3–+) 14...Kd8 (better is 14...Qd6! 15.Bf7 Kd8–+) 15.Qe2= Ng2 16.Kf2 Qe2 17.Ke2 (better is 17.Ne2!? Bd6 18.Kg2=) 17...Bd6–/+ 18.cd6 Nf4 19.Kf3 Ng6 (19...Nb6 20.Bf7 Nd3 21.Bc3–+) 20.Rf1 Nb6 21.Bf7 Rf8 22.Ke2 Bg4 23.Ke1 Kd7 (23...Nh4 24.Rf2 Bf5 25.Bb3–/+) 24.h3 (24.d5 Nd5 (worse is 24...Kd6 25.dc6 Nh8 26.cb7+=) 25.Bg7 Rfc8+=) 24...Bh5 (24...Be6 25.Bg6 Rf1 26.Kf1 Rf8 27.Ke1–/+) 25.Rf5 (25.d5!? Nf4 26.dc6 Kc6 27.Rf4 Rf7 28.Rf7 Bf7 29.Bg7+=) 25...Kd6 (25...Nf4 26.Rf4 Bf7 27.Nf3–/+) 26.Rh5? (better is 26.d5 Nf4 27.Be5 Ke7 28.Bf4 Bf7 29.dc6 bc6 30.Ne2–/+) 26...Rf7–+ 27.Rh7 (better is 27.Ne2 Re8 28.Bc1–+) 27...Re8 28.Kd1 Rf1 29.Kc2 Rf2 30.Kb3 (30.Kd1 Re7 31.Bc3–+) 30...Re3 31.Bc3 Nd5 32.Ne2 Rfe2 33.Rc1 b5 34.Rg7 Ngf4 (34...Rc3?! 35.Rc3 Ngf4 36.Rcg3–+) 35.h4 Rd2 36.h5 (36.Rg4 Rd4 37.Rg8 Rc4–+) 36...Rdd3 (36...Ne2 37.Rd7 Kd7 38.Rc2 Rc3 39.Kb2 Rcc2 40.Kb3 Nd4) 37.h6 (37.Kb2 Nc3 38.Rc3 Rc3–+) 37...Nc3 38.Rf1 (38.Rc3 Rc3 39.Kb2–+) 38...Rd2 39.Re1 (39.Rg6 Kd5 40.Rd6 Kd6 41.Rf3 Nd1 42.Re3 Rb2) 39...Nce2 0–1. Barczi,Tibor (1685) – Kosar,Mikulas, Dunajska Streda op, 1999.

5.d4 Be7 =+.

5.Be2 Be7 6.Nf3 e4 7.Nd4 0–0 8.Nc3 (8.0–0 Nb6=) 8...c5 9.bc5 dc5 10.Nf5 (10.Nb3+=) 10...Nb6 (10...Ne5 11.Ne7 Qe7 12.Qb1+=) 11.Ne7 (11.Ng3!?=) 11...Qe7+= 12.Qc2 Bf5 13.a4 Rfd8 14.0–0 Bg6 (14...Qe6 15.Nb5 Rd7 16.a5=) 15.a5 Nbd7 16.Nd5 Nd5 17.cd5 Ne5 18.Qc3 (18.Qb3 Rab8=) 18...f6–/+ (worse is 18...Rd5 19.Bc4 Rad8 20.d3+=) 19.f4 ef3 20.gf3 Rd5 21.f4 Nf7 (21...Nd3 22.f5 Qe4 23.Bf3 Qf5 24.Bd5 Qd5 25.Ra4–+) 22.Rad1 (22.Bc4 Rf5+=) 22...Rad8 (22...Qe6 23.Rf2–/+) 23.Bc1 (23.Bc4!?–/+) 23...Bd3–+ 24.Bf3 Be4 25.Be2 Qd7 26.Rf2 (26.d3 Bd3 27.Bd3 Rd3 28.Rd3 Qd3 29.Qc5 Qg6 30.Kh1 Qb1–+) 26...b5 27.ab6 ab6 28.Qb3 Bd3 (28...Rd6 29.d4–+) 29.Bf3 Rd6 30.Rg2 (30.Ba3 Qf5 31.Rc1 Qe6 32.Qe6 Re6–+) 30...b5 Black intends c4 (30...Qf5 31.Re1–+) 31.Bb2 c4 (31...b4 32.Ra1–+) 32.Qb4 Bc2 (32...Ra6 33.Bc3–+) 33.Rc1–/+ Bb3 (33...Bg6 34.Bd4–/+) 34.Bc3 Kh8 (34...Ra6 35.Ra1 Ra1 36.Ba1–/+) 35.Ra1 Rb6 (better is 35...Bc2–/+) 36.Bd4= Rd6 37.Ra7 (37.Bc3 Bc2–/+) 37...Qe8 (37...Qe6 A) worse is 38.Qb5 Rd4 39.f5 Qe5 40.Qe5 Ne5 41.ed4 Nf3 42.Kf2 Nd4 (42...Nd2?! 43.Rgg7 c3 44.Rh7 Kg8 45.Rag7 Kf8 46.Rc7=) 43.Rgg7 Nf5 44.Rh7 Kg8–+; B) 38.Bc5 Ra6 39.Bf8=) 38.Bh5 (38.Bc5 Re6=) 38...g6+= 39.Qc3?? (better is 39.Bf3+=) 39...Rd4–+ 40.Bg6 hg6 41.Rg6 (41.Rf7 Qf7 42.ed4 Qe6–+) 41...Kh7 (better is 41...Qe4!? 42.ed4 Qg6 43.Kf2–+) 42.Rf6 (42.Rg2 R8d7 43.Rd7 Rd7 (43...Qd7?! 44.ed4 Nh6 45.d3–/+) 44.Qf6 Nh6–+) 42...R4d7 43.Raa6 (43.Rd7 Qd7 44.e4 Qg4 45.Kf2 Qh5 46.Rf7 Qf7 47.Qh3 Kg8 48.Qg4 Kf8–+) 43...Rd2 (43...Qe4!? 44.d4 b4 45.Qe1 Rg8 46.Rg6 Rg6 47.Rg6 Qg6 48.Kf1–+) 44.Rg6 Rd1 45.Kf2 (45.Kg2 Qe4 46.Kh3–+) 45...R8d2 46.Kf3 Rf1 47.Kg3 Rg1 48.Kh3 Qd7 49.Rge6 Rg6 (49...Bd1 50.Qc2 Bc2 51.Ra2 Qe6 52.Kh4 Rh2) 50.Qd2 Qd2 (better is 50...Rh6 51.Kg3 Qd2 52.Rh6 Nh6 53.Ra7 Kg6 54.Ra6 Kh5 55.e4–+) 51.Rg6 Qe3 (51...c3 52.Rg2 Qe3 53.Rg3 Be6 54.Re6 Qe6 55.Kg2 Qc6 56.Kf2 Qc5 57.Kf3–+) 52.Rg3 Qf4 53.Ra7 0–1. Durka,Jan – Jusko,L, SVK–chT3D, 2000.

5.Be2 g6 6.Nf3 Bg7 7.d4 e4 8.Nfd2 0–0 9.Nc3 Re8 10.Qc2 e4 draws heavy fire 10...Qe7 11.0–0 Nf8 12.h3 h5 13.b5 Bf5 14.a4 N8h7 15.Rfc1 g5 16.Nf1 h4 17.Qd1 Qd7 18.Nh2 Rf8 19.a5 Bg6 20.b6 ab6 21.ab6 c6 22.Qb3 Nh5 23.Bh5 Bh5 24.Ne4 f5 25.Nd2 g4 26.e4 (26.Ra7 gh3 27.Rca1 Rae8+=) 26...Ra1 27.Ra1 gh3 28.Qh3 Bf6 (28...Qd8 29.ef5 Qb6 30.Ra2+/–) 29.ef5 (29.Qf5!? Qe8 30.Qh3 Ng5+–) 29...Ng5+/– 30.Qd3 Bd8 31.Ra8 Bb6 32.Rf8 Kf8 33.Ndf3 Nf3 34.Nf3 (34.gf3?! d5+=) 34...Bd8 35.Qe4 Qe7 36.Qf4 Qf6 37.Ba3 Be7 38.Nd2 Bf7 39.c5 dc5 40.Bc5 Bd5 41.Qb8 Kf7 42.Qb7 Qg5 43.f3 Qe3 44.Kh2 Qf4 45.Kh1 (45.Kh1 Qe3 46.Qe7 Qe7 47.Be7 Ke7 48.Ne4+–) 1–0. Subira Navarro,Oscar – Lopez Guaita,Fernando (2025), Zaragoza ESP, Artistica Open, 2013.

5.Nf3 a5 6.b5 Be7 7.d4 ed4 8.ed4 0–0 9.Bd3 Re8 10.0–0 Bf8 11.Nbd2 g6 12.Qc2 Bg7 13.Rfe1 Re1 14.Re1 Nf8 15.h3 c6 16.a4 Nh5 17.d5 Nf4 18.Bg7 Kg7 19.dc6 bc6 20.bc6 Qf6 21.Ne4 Nh3 22.Kf1 Qf4 23.Qc3 f6 24.Qd4 Ne6 25.Qd6 Qd6 26.Nd6 Nhf4 27.Be4 Nc7 28.g3 Nfe6 29.Bd5 Nd8 30.Re7 Kh6 31.Rc7 Bg4 32.Nd4 f5 33.f3 Bh3 34.Kf2 Rb8 35.Nb7 Nb7 36.Rb7 Re8 37.c7 f4 38.g4 Kg5 39.Rb8 Re7 40.c8Q h5 41.Qd8 Kf6 42.Nc6 hg4 43.Qe7 Kf5 44.fg4 Kg4 45.Be4 g5 46.Bf3 Kh4 47.Qh7 1–0. ferminkatcho (1690) – edaname (1795), internet, 2014.

5.Nf3 Nb6 6.d3= Bg4 7.Be2 Be7 8.Ng5 Be2 9.Qe2 h6 10.Nf3 e4 11.de4 Ne4 12.Nc3 Nc3 13.Bc3 Bf6 14.Qd3 Na4 15.Bf6 Qf6 16.Qe4 Kd7 17.0–0 c6 18.Qc2 White plans c5 18...Nb6 19.c5 Nd5 20.e4 Nb4 21.Qd2 d5?? (better is 21...Na6 22.e5 Qe6 23.cd6 Nc5+/–) 22.Qb4+– de4 (22...Kc8 23.Rab1 Qe7 24.ed5 cd5 25.Qg4 Qe6 26.Qg7 Rd8+–) 23.Qb7 Ke6 24.Qc6 Kf5 25.Qd5 Qe5 26.Ne5 1–0. pierre – oppotip, internet, 2010.

5.Nf3 d5 6.Ne5 Ne5 (6...Bb4 7.Nd7 Bd7 8.cd5+=) 7.Be5 Bb4 (better is 7...Bd6!? 8.Bd6 Qd6+=) 8.Qa4+– Nd7 9.Bg7 (9.Qb4?! Ne5 10.Qc3 d4 11.ed4 Ng6+=; 9.cd5?! Bf8+/–) 9...Rg8 10.Qb4 Rg7 11.cd5 Qe7 (11...Nf6 12.Bb5 Bd7 13.Rg1+–) 12.Qa5 (12.Qe7 Ke7 13.Nc3 Nb6+–) 12...Qc5 (12...Rg5 13.Qc7 Rd5 14.Nc3+–) 13.Qc3 (13.Qc5 Nc5 14.Na3 Ne4+–) 13...Qc3 (13...f6 14.Qc5 Nc5 15.d4+–) 14.dc3 (14.Nc3 Nf6+–) 14...Nb6 (better is 14...Nc5+–) 15.Kd1?? (better is 15.c4+–) 15...Nd5+= 16.Bc4 (16.c4!? Bg4 17.Kc1+=) 16...Be6= 17.Bf1 0–0–0 18.Ke1 h5 (18...Bf5 19.c4 Nb4 20.Na3+=) 19.g3+= Bg4 20.Be2 Nf6 (20...Rg6 21.h3 Be2 22.Ke2+=) 21.Nd2+/– Be2 (21...c5 22.Rd1+/–) 22.Ke2 Nd5 23.Rac1 f5 (23...Rg6 24.Rhd1+/–) 24.Nb3 Re7 (24...Rg6 25.c4 Nb4 26.a3+/–) 25.Rhd1 Nb6 (25...Red7 26.Nd4+/–) 26.Rd8 Kd8 27.Rd1 (27.Kf3 Nc4+/–) 27...Rd7 (27...Ke8 28.Nc5 c6 29.Rd6+/–) 28.Nd4+– Nd5 (28...Na4!? 29.Rc1 Rd5+–) 29.Rd3 c5 (29...Ne7 30.Ne6 Kc8 31.Nf4+–) 30.Ne6 (30.Nf5?! c4 31.Rd4 Nc3 32.Kd2 Ne4 33.Kc2 Rd4 34.ed4 Nf2+/–) 30...Ke7 (30...Kc8 31.Nc5 Rd8 32.Nb7 Nc3 33.Rc3 Kb7 34.Rc5+–) 31.Nc5 Rd6 32.Nb7 Rd7 33.Nc5 Rd6 (33...Rd8 34.h3+–) 34.Nb3 (34.e4 fe4 35.Ne4 Re6 36.Rd5 Re4 37.Kd3 Ra4 38.Rh5 Ra2+–) 34...Ke6 (34...Nf6 35.Rd6 Kd6 36.Nd4+–) 35.Nd4 Ke5 36.f4 (better is 36.c4 Nb4 37.Ra3+–) 36...Ke4 (36...Kf6 37.Nb5 Rd7+–) 37.Nf3 Rb6 (37...Nf4 38.ef4 Rd3 39.Ng5 Kd5 40.Kd3 Kd6+–) 38.Rd4 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Nf3 Qe7 6.d4 (6.Nc3 a5 7.b5 e4=) 6...g6 (6...e4!? 7.Nfd2 d5=) 7.Be2 (7.Nc3 e4 8.Nd2 d5+=) 7...Bg7 8.Nc3 (8.0–0 e4 9.Nfd2 0–0+=) 8...c6 (8...0–0 9.0–0+=) 9.0–0+= 0–0 10.Qb3 (10.a3 Re8+=) 10...Kh8 (10...Re8 11.Rfd1=) 11.Rfd1 (11.Rad1 a5+=) 11...Nh5 (11...e4 12.Nd2+=) 12.de5 de5 13.Ne4 (13.Rd2 a5 14.ba5 e4+=) 13...f5 (13...Nhf6 14.Nf6 Bf6 15.e4+=) 14.Nd6+/– c5 15.a3 b6 (15...e4 16.Ne1 Nhf6 17.Rd2+/–) 16.Qa4 Nhf6 17.Qc6 Ba6 (17...Rb8!? 18.Qc7 e4+–) 18.b5 Rad8 (18...e4 19.Ng5 Rac8 20.Nc8 Bc8 21.Qe6 Qe6 22.Ne6+–) 19.Qc7 Bc8 (19...Ne4 20.Ne5!! Be5 21.Be5 Qe5 22.Qd8 (22.ba6?! Nd6 23.Qd6 Kg7+=) 22...Qa1 23.Qd7+–) 20.Ne5!! (20.Nc8?! Rc8 21.Qa7 Rfe8+/–) 20...Nd5 (20...Qe5 21.Be5) 21.Rd5 (21.Rd5 Be5 22.Be5 Kg8 23.Nc8 Rc8 24.Qd7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

5.Nf3 Ng8 6.Nc3= f6 7.d4 ed4 8.Qd4 (8.Nd4 Ne5+=) 8...c5 (8...Ne5 9.Be2+=) 9.bc5 dc5 10.Qd2 b6 11.Be2 Bd6?? (better is 11...Bb7+/–) 12.Qd6+– g6 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

5.Nf3 h6 6.d3 (6.Nc3 e4 7.Nd4 Nb6+=) 6...Be7 7.Nc3 c6 8.Be2 0–0 9.0–0 Re8 10.d4 ed4 11.Nd4 Nb6 (11...Ne5 12.Qc2=) 12.Qb3+= Be6 (12...Bd7 13.h3+=) 13.Ne6+/– fe6 14.f4 Rf8 (14...a5 15.a3+/–) 15.e4 d5 (15...a5 16.a3+/–) 16.cd5+– ed5 17.e5 Nfd7 18.Rad1 Kh8 19.a3 Qe8 20.e6 Nf6 21.f5 Bd6 22.Kh1 Qe7 23.g3 Ne8 24.Bd3 Qg5 (24...a5 25.Ne2+–) 25.Bc1 Qh5 26.Kg2 Nf6 27.Be2 Ng4?? (27...Qe8+–) 28.h3 Rf5 (28...Qe8 29.hg4 Qe7+–) 29.Bg4 Qg6 (29...Rf1 30.Bh5 (30.Kf1?! Qg6 31.Ne2 h5+–) 30...Rf6 31.Bf7+–) 30.Rf5 (30.Bf5?? Qg3 31.Kh1 Qh2) 30...Nc4 (30...Re8 31.Rdf1 Rg8 32.Qb1+–) 31.Nd5! cd5 32.Rdd5 Rc8 33.Qd3 Ne5 34.Rde5 Be5 35.Rf8! Rf8 36.Qg6 1–0. pierred – anony, internet, 2015.

5.g3 Be7 6.Bg2 0–0 7.Qc2 Nb6 8.Ne2 c6 9.0–0 Be6 10.d3 Qc7 11.Nd2 d5 12.cd5 Nfd5 13.a3 Rad8 14.Nf3 Bf6 15.d4 ed4 16.Ned4 Bg4 17.Rfd1 Qe7 18.e4 Nc7 19.h3 Bf3 20.Bf3 g6 21.Bg2 Rd7 22.Nb3 Bb2 23.Qb2 Ne6 24.Rd7 Qd7 25.Nc5 Nc5 26.bc5 Nc4 27.Qc3 Nd2 28.Ra2 Rd8 29.Rb2 Qd3 30.Qd3 Rd3 31.Rb7 Ra3 32.Rc7 Ra6 33.e5 Ra1 34.Kh2 Nc4 35.e6 fe6 36.Rc6 Kf7 37.Rc7 Kf6 38.Rh7 Ra2 39.Rh8 Kg7 40.Rh4 Ne5+= 41.Re4 Kf6 42.Re3 Rf2 43.Rc3 Ke7 44.c6 Kd8 45.Kg1 Rb2 46.Rc5 Nd3 47.Rg5 Rb1 48.Bf1 Kc7 49.Rg6 a5 50.h4 Nc5 51.h5 Kc6 52.Rg8 e5 53.h6 Rb7 54.g4 Rh7 55.g5+/– Kd5 56.Bh3 Ne6 57.Bf5 Ng5 58.Bh7 Nh7 59.Rg7 Nf6 60.h7 Nh7 61.Rh7 Kc4 62.Ra7 Kb4 63.Kf2 a4 64.Ke3 Kb3 65.Kd2 e4 66.Rb7 Kc4 67.Re7 Kb3 68.Re4 a3 69.Kc1 a2 70.Re3 Kc4 71.Kb2 Kd4 72.Ra3 1–0. Lins,Thomas – Meier,Kurt, GER jub50 qJVM48 corr, 1996.

5.h3 b6 6.Qf3 Rb8 7.Nc3 Bb7 8.Qf5 c5 9.a3 Be7 10.Nf3 0–0 11.Ng5 h6 12.Nf3 Nh7 13.Be2 Bc8 14.Nd5 Ndf6 15.Ne7 Qe7 16.Qd3? (better is 16.Qc2=) 16...e4–+ 17.Qc2 ef3 18.Bf3 Bb7 19.Be2? (better is 19.Bb7 Rb7 20.0–0–+) 19...Bg2 20.Rg1 Bh3 21.Bd3 Ng5 22.f4 (22.Be2 Rbe8 23.f4–+) 22...Nf3 23.Kf2 Ng1 24.Rg1 Nh5 25.Qc3 Qh4 26.Kf3 (26.Ke2 Bg4 27.Kf1–+) 26...Nf6! 27.Bc2?? (27.Qf6 Bg4 Double attack) 27...Bg4 28.Rg4 Qg4 29.Kf2 Rbe8 30.d4 (30.b5 Ne4 31.Be4 Re4–+) 30...Ne4 (30...Qh4 31.Ke2 Ng4 32.Bc1 Qf2 33.Kd1 Ne3 34.Be3 Re3 35.Bh7 Kh8 36.Qd2 Qf1 37.Kc2 Ra3 38.Qd3 Qf2 39.Qd2 Ra2 40.Kd3 Rd2 41.Ke4 Rd4 42.Kf5 Qf4) 31.Be4 Re4 32.dc5 dc5 33.Qd3 Rfe8 (better is 33...Qh4!? 34.Kf3 Qh3 35.Ke2 Qg2 36.Ke1–+) 34.Be5 Qh4 35.Kf3 Qh1 36.Kg4 (36.Kf2 cb4 37.ab4 Qh2 38.Kf3 Qh3 39.Ke4 Qh1 40.Kd4 Rd8 41.Kc3 Qa1 42.Kc2 Qa2 43.Bb2 Rd3 44.Kd3 Qb2–+) 36...Qg1 (36...Qg2 37.Kh4 g5 38.Kh5 Qh3) 37.Kf3–+ Qh1 (37...Qh1 38.Kg4 Qg2 39.Kh4 g5 40.Kh5 Qh3) 0–1. nakpim – ftuanvn, internet, 2013.

5.a3 a5

6.b5 Nc5 7.d4= ed4 8.Bd4 (8.Qd4? Nb3 9.Qf4 Na1 10.Ba1 Be7–+) 8...Nce4 9.f3 Ng5 10.Nc3 Ne6 11.Nd5 Nd5 12.cd5 Nd4 13.Qd4 Bf5 14.e4 Bd7 15.Be2 (15.Qc3 Rc8+=) 15...f6 (15...Be7 16.f4= (16.Qg7?? Bf6 17.Qh6 Ba1–+)) 16.a4 Be7 17.Bd3 0–0 18.Ne2 f5 19.Qf2 fe4 20.Be4 Bh4 21.g3 Bf6 22.Rc1 b6 23.0–0 Be5 24.f4 Bb2 25.Rc2 (25.Rc4 Bh3 26.Re1 Qd7+=) 25...Qf6 0–1. lican – sharpknife, kurnik, 2014.

6.b5 Be7 7.d4=.

6.d4 =+.

5.a3 c6

6.d4 e4=.

6.Ne2 Be7 7.Ng3 0–0 8.Be2 Re8 (8...a5 9.d4+=) 9.0–0= Qc7 (9...Qb6 10.d4=) 10.d3 (10.Nf5 b6=) 10...Nf8 (10...Qb6 11.Qd2=) 11.Nd2 Ng6 12.Nb3 (12.d4 c5=) 12...Be6 13.Rc1 Rac8 (13...d5 14.cd5 Bd5 15.e4=) ½–½. Wilk,E – Kupczak,M, Poland–chT disctrict, 1996.

6.Nf3 Qc7 7.d4 Be7 8.de5 de5 9.Be5?? (better is 9.Nbd2=) 9...Ne5–+ 10.Nbd2 Nf3 11.Qf3 (11.Nf3 0–0–+) 11...Bg4 12.Qg3 Qg3 13.hg3 0–0–0 14.Nf3 (14.Be2 Bf5–+) 14...Bf3 (14...Ne4!? 15.Be2–+) 15.gf3 h6 16.Bg2 Nd7 17.f4 Nb6 18.Rc1 Bf6 19.Rh5 (19.b5 cb5 20.cb5 Kb8–+) 19...g6 (better is 19...Bb2!? 20.Rc2 Ba3 21.b5–+) 20.Ra5 a6 (20...Kb8 21.c5 Nd5 22.Bd5 Rd5 23.e4–+) 21.Rc2 (21.b5 Kc7 22.bc6 bc6–/+) 21...Rhe8 (21...Rd3 22.c5 Nd5 23.Be4–+) 22.Ke2 (better is 22.b5 Kc7 23.bc6 bc6 24.c5–/+) 22...Kc7 23.g4 (23.f5 Rd4 24.Rc5 Nd7–+) 23...g5 (23...Rd4! 24.g5 Nc4 25.Rc5 Na3 26.Rc6 Kb8 27.Rf6 Nc2 28.Rf7 hg5 29.Rb7 Kc8 30.Rb6 Nb4 31.fg5–+) 24.fg5 Bg5 (24...hg5!? 25.Rf5 Nd7 26.b5–+) 25.Rf5–/+ Re7 26.f4 Bh4 27.Rh5 Bf6 28.Rf5? (better is 28.Rh6!? Bg7 29.Rh7–/+) 28...Bd4–+ 29.e4 White prepares the advance c5 29...f6 30.Rh5 Rh7 31.c5 Na4 32.g5? (better is 32.Rd2–+) 32...fg5 33.fg5 Nc3 (better is 33...Rf7 34.Bf3 hg5 35.Rg5 Nc3 36.Rc3 Bc3 37.Rg2–+) 34.Ke1 (34.Rc3 Bc3 35.Bh3–+) 34...Re7 (better is 34...Rf7 35.Bh3 Be5 36.Rc3 Bc3 37.Ke2 Rd2 38.Ke3 Rff2–+) 35.gh6–/+ Ne4 36.Be4 Re4 37.Re2 Re2 38.Ke2 Re8 39.Kd3 Bb2 40.h7 a5 (40...Kd7 41.Rh3–/+) 41.ba5+= Rh8 42.a4 Ba3 43.Kc4 Bb2 44.Kd3 Bg7 45.Ke4 Kd7 46.Kf5 Ke7 (46...Rf8 47.Ke4 Ke6–/+) 47.Kg6= Bc3 0–1. barborski – laurentv, playok.com, 2012.

5.a4 c5

6.b5 a5 7.Be2= g6 (7...d5 8.cd5 Nd5 9.Nc3 Nc3 10.dc3=) 8.Nc3 (8.d3 Bg7=) 8...Bg7 9.Nf3 0–0 10.0–0 Re8 (10...Qc7 11.e4=) 11.d3 Nb6 12.Nd2 (12.Qc2 Bg4+=) 12...Be6= 13.Bf3 (13.Qc2 d5=) 13...d5 14.cd5 Nfd5 (14...Nbd5 15.Rc1=) 15.Nce4 Rc8 16.Nc4 Nc4 (16...f5 17.Ned2=) 17.dc4+= Nb6 18.Nd6 Nc4 19.Nc8 (19.Ne8 Qd1 20.Rad1 Re8+=) 19...Qd1 (19...Nb2!? 20.Qd8 Rd8+=) 20.Rad1+= Nb2 21.Nd6 Rd8? (better is 21...Rb8!? 22.Rd2 Na4+=) 22.Nb7+– Rd1 (22...Rc8 23.Ra1 Nc4 24.Rac1+–) 23.Bd1 e4 (23...Bc4 24.Re1 e4 25.Na5+–) 24.h3 (better is 24.Bc2!?+–) 24...Bc4+/– 25.Re1?? (25.Bc2 Bf1 26.Kf1 f5+–) 25...Nd3?? (better is 25...Bc3 26.Rf1 Bf1 27.Kf1 Nd1 28.Nc5 f5–/+) 26.Re2+/– Nb2 27.Rb2 (27.Rd2 Bd3 28.Nc5 Nc4+–) 27...Bb2 28.Na5 Bd5 29.b6 (29.Bb3 Bb3 30.Nb3 c4+=) 29...Bc3 (29...c4+–) 30.b7 Be5 31.Be2 Kf8 32.Bb5 (32.Bc4 Bc4 33.Nc4 Bc7+–) 32...Ke7 (32...f5+–) 33.Bc6 (33.Bc4 Ke6 34.Nc6 Bd6+–) 33...Be6? (better is 33...Ke6+/–) 34.Be4+– c4 (34...Bd7 35.Nc4 Bb8+–) 35.Nc6 (35.Nc6 Kd7 36.Ne5 Kc7 37.a5+–) 1–0. Zylla,Johannes – Hielscher, BSF–VM, 1992.

6.b5 a5 7.Nf3 Be7 8.d3 0–0 9.Be2 Re8 10.0–0 Qc7 11.Nc3 Nf8 12.d4 ed4 13.ed4 Rd8 14.d5 Ng6 15.Qc2 b6 16.Rfe1 Bd7 17.Bd3 Re8 18.Ne4 Ne4 19.Be4 Qd8 20.Bd3 Rf8 21.Re3 Bf6 22.Bf6 (22.Rae1!?+/–) 22...Qf6+= 23.Rae1 Rae8 24.Nd2 Re3 25.Re3 Re8 26.Re8 Be8 27.Ne4 Qe7 28.g3 Ne5 29.Be2 f5 30.Nc3 Bg6 31.f4 Ng4 32.Nd1 Nf6 33.Qd2 Ne4 34.Qe3 Kf7 35.Bf3 Qf6 36.Kg2 h5 37.h4 Kf8 38.Qe2 Qd4 39.Bh5 (better is 39.Be4 fe4 40.Ne3=) 39...Bh5–+ 40.Qh5 Qf6?? (better is 40...Qd2 41.Kh3 Qd1 42.Qf5 Nf6 43.Qc8 Kf7 44.Qe6 Kg6 45.h5 Kh6–+ (45...Qh5?! 46.Kg2–+)) 41.Qh8 Ke7 42.Qh5 Nd2?? (better is 42...Kf8=) 43.Qe2+– Ne4 44.Nf2 Qd4 45.Ne4 fe4 46.g4 Kf6 47.h5 g5 48.hg6! Kg6 49.Kg3 ½–½. Bouvier,Clement (1725) – Delpech,Olivier (1780), Montigny le Bretonneux–B 7th, 2008.

6.b5 Be7 7.Nc3+=.

5.Qc2 Be7

6.Nf3+= 0–0 (6...a5 7.b5 e4 8.Nd4 Nc5 9.Be2 0–0 10.f3 ef3 11.Bf3 Ne6 12.0–0 Nd4 13.Bd4+=) 7.Nc3 Nb6 8.d4 ed4 9.Nd4 Re8 10.Bd3 c5 11.bc5 dc5 12.Nf3 Qd7 13.Nb5+=.

6.Nf3 e4 7.Ng5+= h6 8.Ne4 Ne4 9.Qe4 Nf6 10.Bf6 gf6 11.Nc3 f5 12.Qc2 Be6 13.d4 d5 14.cd5 Bd5 15.Qf5 Bb4? (better is 15...c6 16.a3 Be6+–) 16.Qe5 Kd7 (16...Qe7 17.Qh8 Kd7 18.Bb5 c6 19.Qa8 Bc3 20.Ke2 cb5 21.Rac1+– (21.Qa7? Qe4 22.Qc5 Bc4 23.Qc4 bc4–+)) 17.Qd5 Kc8 18.Qd8 Kd8 19.Rc1 a5 20.Bd3 Rg8 21.0–0 Bc3 22.Rc3 b6 23.Rfc1 Ra7 24.Kf1 Rg5 25.a4 Rd5 26.g4 c5 (26...h5 27.f3+–) 27.dc5 bc5 28.Bf5 h5 29.Rd3 (better is 29.Rc5!? Rc5 30.Rc5 hg4 31.Bg4 Ke7+–) 29...Rd3 30.Bd3 hg4 31.Rd1 (better is 31.Rc5!? f6+–) 31...Rd7 32.Ke2 Rd5 33.Bb5 (better is 33.Bf5! Rd1 34.Kd1 Ke7+–) 33...Rd1 34.Kd1 Ke7 35.Be2 f5 36.Kd2 Kd6 37.Kc3 Kd5 38.Bd3 Ke5 (38...f4 39.ef4 Kd6 40.Kc4+–) 39.Kc4 f4 40.ef4 Kf4 41.Be2 Kg5 42.Kc5 Kh4 43.Bf1 Kg5 44.Kb5 (44.Kb5 Kf4 45.Be2+–) 1–0. madik – churn, gameknot.com, 2009.

5.d4 Qe7

6.d5 Qd8=.

6.Nf3 a5 7.b5=.

6.Nf3 g6 7.Nc3 c6 8.Be2 Bg7 9.0–0 0–0 10.a4 e4 11.Nd2 h5 12.a5 Re8 13.Ba3 Nf8 14.Rc1 Bg4 15.Bg4 hg4 16.b5 Rac8 17.a6 ba6 18.ba6 N8h7 19.Rb1 Rc7 20.Kh1 Ng5 21.Qa4 Qd7 22.Qa5 c5 23.Nb5 Rc6 24.Rfe1 (24.dc5 dc5 25.Nb3 Rec8+/–) 24...cd4 (better is 24...Qc8!?=) 25.Nd4+/– Re5 26.Rb5 Rc8 (26...Rb6!?+=) 27.Bd6! Rb5 (27...Qd6 28.Re5 Combination) 28.Nb5 (28.Qb5?! Qd6 29.Qg5 Qa6=) 28...Qf5 29.Bg3 Nh5 30.Qb4 (better is 30.Bh4!? Ne6 31.Qa2+/–) 30...Ng3+= 31.fg3 Bf8 32.Qb1 Bc5 (32...Qf2 33.Qd1+= (worse is 33.Na7 Ra8–+)) 33.Rf1 (33.Nc3!?+/–) 33...Qe6= 34.Qb3 Qa6 35.Nc3 (35.Qc3!?=) 35...Be3+= Exerts pressure on the isolated pawn 36.Nce4 Ne4 37.Ne4 (37.Qe3!? Nd2 38.Qd2 Qc4 39.Re1–/+) 37...Qc4 38.Nf6 Kg7 39.Ne8 Kf8 40.Qc4 Rc4 41.Nd6 Rc1 42.Rc1 Bc1 43.Kg1 Ke7 44.Nc4 Ke6 45.Kf1 Kd5 46.Na5 Bd2 47.Nb7 Bb4 48.Ke2 a5 49.Kd3 a4 50.Nd8 f5 51.Nf7? (51.Nb7 Be7 52.Na5–+) 51...Be7 52.Nh8 (52.Nh6 Ke6–+) 52...a3 (better is 52...Bf6 53.Ng6 a3 54.Nf4 Kd6 55.h3–+) 53.Kc2 (53.Kc3 Bf6 54.Kb3 Bh8 55.Ka3–+) 53...a2 (53...a2 54.Kb2 Bf6 55.Ka2 Bh8–+) 0–1. Rottstaedt,Werner (2125) – Niermann,Michael (2135), Ruhrgebiet VL1, 2007.

6.Nf3 h6 7.Be2 b6 (7...e4 8.Nfd2=) 8.d5 Bb7 (8...a5 9.Qa4+=) 9.b5 (9.0–0 c6 10.dc6 Bc6+=) 9...a6 10.a4 a5 11.Nc3 g5 (11...0–0–0 12.e4+=) 12.h3 (12.0–0 0–0–0+=) 12...Bg7= 13.e4 (13.Qc2 Nc5=) 13...Nc5 14.Qc2 Bc8 (14...0–0–0 15.Bc1=) 15.Ba3 Nfd7 (15...Bd7 16.Rd1=) 16.Nd2 (16.Rd1 Bb7+=) 16...Nb7 (16...Bb7 17.Bg4+=) 17.Nf1 Nf8 18.Ng3 Nh7 19.Qd1 (19.Nh5 Rg8+/–) 19...Nf6+= 20.Nh5 Nh5 21.Bh5 0–0 22.g4 Nd8 23.Ne2 (23.Qf3 f6+/–) 23...Bd7 24.Ng3 f6 (24...Kh7 25.Qf3+=) 25.Bg6 Bh8 (25...Nf7 26.h4+/–) 26.Qf3 Qg7 27.Nf5 Qg6?? (better is 27...Bf5 28.Bf5 Qe7+–) 28.Ne7 Kg7 29.Ng6 Kg6 30.h4 Nf7 31.Bc1 Rae8 32.Qg3 Bg7 33.hg5 (33.Be3 Kh7+–) 33...fg5 34.Be3 Nd8 (34...Kf6 35.Rh5+–) 35.Qh3 Nf7 36.Qh5 Kf6 37.0–0–0 Rh8 (37...Ke7 38.Rdg1+–) 38.Rdg1 (38.Rd3 Ref8+–) 38...Ref8 39.Rg3 Ke7 40.Rf3 Be8 41.Qg6 Rhg8 42.Qh5 (42.Qe6 Kd8+–) 42...Nd8?? (42...Rh8 43.Rd1 Kd8+–) 43.Qh3+– Rf3 (43...Bg6 44.Rf8 Rf8 45.f3+–) 44.Qf3 Rf8 45.Qg2 Nf7 (45...Kd7 46.Rh3+–) 46.Kd1 (46.Bd2 Kd7+–) 46...Nh8 (46...Kd8 47.Kc2+–) 47.Ke1 Ng6 48.Qg1 (48.Rh3 Bd7+–) 48...Nh4 49.Rh4! gh4 50.Qh2 Bf6 51.Bh6 Rh8 (51...Rg8 52.g5 Rg5 53.Bg5 Bg5+–) 52.g5 Kd7 (52...Kd8 53.Qh4 (worse is 53.gf6 Rh6 54.f4 h3+–) 53...Be7 54.f4 ef4 55.Qf4+–) 53.Qh3 (53.f4!? Kd8 54.Qh4 Be7+–) 53...Kd8 54.Qh4 (54.gf6?! Rh6 55.Qe6 Rh7+–) 54...Be7 55.Qg3 (55.f4 ef4 56.Qf4 Rg8+–) 55...Rg8 (55...Bg6 56.Qf3+–) 56.f4 ef4 57.Qf4 Kc8 58.Qf5 Kb7 (58...Kd8+–) 59.Qh7 (better is 59.Qe6!? Rh8 60.Qe7 Bh5+–) 59...Rg5 60.Bg5 Bg5 61.Qg8 Bh4 62.Kf1 Bd7 (62...Bh5 63.Qh7 Bd1 64.Qh4 Ba4 65.e5 de5 66.Qe4+–) 63.Kg2 (better is 63.Qh7 Bb5 64.cb5 Bf6+–) 63...Be1 64.Qg7 Be8 (64...Bc8+–) 65.e5 Bc3 (65...Bb4 66.e6+–) 66.Qe7 Bg6 (66...Be5 67.Qe8 Bd4+–) 67.ed6 1–0. Luettig,Hendrik – Gohlisch,Bruno, Pinneberg–ch op, 1998.

5.d4 g6

6.de5 de5 7.a3 Bg7 8.Nf3 (8.Bd3 0–0 9.e4 c5 10.Nf3 Qe7 11.Bc3 Nh5 12.0–0 Nf4 13.Qc2=; 8.Nd2 0–0 9.e4 Qe7 10.Qf3 Nb6 11.Qb3 Rd8 12.Ngf3 Bg4 13.c5=; 8.Nc3 0–0 9.Qf3 e4 10.Qf4 c5 11.Rb1 cb4 12.ab4 Qe7 13.c5+=; 8.Be2 0–0 9.Nf3 e4 10.Nfd2 Qe7 11.Qc2 c5 12.0–0 Re8 13.Bc3=; 8.Qc2 0–0 9.Nd2 Qe7 10.Rd1 a5 11.b5 e4 12.Ne2 Nc5 13.Ng3+=) 8...0–0 (8...e4 9.Nfd2 0–0 10.Nc3 Re8 11.Be2 Qe7 12.0–0 a5 13.c5=) 9.Be2 (9.Be5? Ne5 10.Ne5 Qd1 11.Kd1 Ne4–+; 9.Ne5 Ne4 10.Qd5 Nf2 11.Nd7 Bb2 12.Kf2 Bd7 13.Ra2–/+) 9...Re8 (9...e4 10.Nfd2= Qe7 11.Qc2 a5 12.0–0 ab4 13.ab4=) 10.0–0 e4 11.Nfd2 Ne5 (11...c5 12.Nc3= a5 13.b5+=; 11...a5 12.Nc3 Qe7 13.c5=) 12.Qc2 (12.Be5 Re5 13.Ne4 Qd1 14.Nf6 Bf6 15.Rd1 Re3 16.fe3 Ba1=) 12...Bf5 (12...Bg4 13.Bg4 Neg4 14.h3=; 12...Nd3 13.Bd4=) 13.Bd4 (13.Rd1=) 13...Nf3? (13...a5 14.b5=) 14.Nf3?? (14.gf3 ef3 15.Bd3 Bd3 16.Qd3–/+) 14...ef3–+ 15.Bd3 Bd3 16.Qd3 Ng4 17.Qd1? (better is 17.Qd2 fg2 18.Kg2–+) 17...fg2 18.Kg2 (18.Qg4 gf1R 19.Kf1–+) 18...Qg5 19.Kh3 (19.Kh1 Qh4 20.Qg4 Qg4 21.Bg7 Kg7 22.Nd2–+) 19...Qh5 (19...Re4 20.f4 Qh5 21.Kg3 Qh2 22.Kf3 Re3 23.Be3 Qh3 24.Ke4 Qe3 25.Kd5 Rd8) 20.Kg3 Qh2 21.Kg4 Qg2 22.Kh4 g5 23.Kh5 Qh3 24.Kg5 Bh6 0–1. Jaszczuk,Juliusz – Geller,Efim P (2525), WchS Bad Woerishofen (11), 1991.

6.de5 de5 7.Qa4 A) 7...c6= 8.a3 (8.Nd2 a5 9.c5 Rb8 10.a3 b5 11.Qc2 Bg7 12.Ngf3 Nd5 13.e4=; 8.Be2 a5 9.a3 Bg7 10.c5 0–0 11.Nf3 e4 12.Nd4 Ne5 13.0–0=; 8.Nc3 a5 9.a3 Nb6 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 Be6 13.Nf3=; 8.c5 Bg7 9.Nc3 Qe7 10.Rd1 0–0 11.Nf3 e4 12.Nd4 Ne5 13.Be2=; 8.Nf3 e4 9.Ng5 Qe7 10.Qc2 Qb4 11.Nd2 Bg7 12.Rb1 Qe7 13.Nge4=) 8...Bg7 9.Nc3 Qe7 10.Rd1 e4 11.Nge2 0–0 12.Ng3 a5 13.c5=; B) 7...Qe7 8.c5 (8.a3 Bg7 9.Nc3 0–0 10.e4 Nb6 11.Qa5 Be6 12.Nd5 Qd7 13.Rd1=) 8...Bg7 9.Nc3 0–0 10.Nb5 Rd8 11.Rd1 a6 12.Nc7 Nc5 13.Rd8=.

6.de5 de5 7.Qb3 A) 7...c5 8.Qa4 (8.b5 Bg7 9.Nc3 0–0 10.Rd1 Qa5 11.Be2 a6 12.Nf3 ab5 13.cb5=) 8...Qe7 9.Nf3 e4 10.Nfd2 cb4 11.Ne4 Qe4 12.Bf6 Rg8 13.Bd4=; B) 7...Qe7 8.c5 a5 9.Qa4 Bg7 10.Nd2 0–0 11.Nb3 Nd5 12.a3 c6 13.Na5=; C) 7...a5 8.a3 Bg7 9.Nc3 0–0 10.Rd1 ab4 11.ab4 e4 12.Nh3 c6 13.Be2=.

6.de5 de5 7.c5 Bg7 8.Nc3 (8.Qa4 0–0 9.Nc3 Qe7 10.e4 Rd8 11.Rd1 a5 12.Nd5 Nd5 13.Rd5=; 8.Nd2 0–0 9.Bc4 e4 10.Ne2 Qe7 11.Qc2 a5 12.a3 Ne5 13.0–0=; 8.Bc4 0–0 9.Nd2 Qe7 10.e4 c6 11.Qa4 b5 12.cb6 Nb6 13.Qc6=; 8.a3 0–0 9.Bc4 a5 10.Ne2 Ng4 11.e4 Qh4 12.Ng3 ab4 13.ab4=; 8.Bb5 c6 9.Bc4 0–0 10.Qa4 e4 11.Ne2 Qe8 12.0–0 b5 13.cb6+=) 8...0–0 9.Qa4 e4 10.Rd1 c6 11.Nge2 b5 12.Qc2 a5 13.Ne4=.

6.Nf3 e4 7.Nfd2 =.

6.Nf3 Qe7 7.Be2 Bg7 8.0–0 0–0 9.Nc3 c6 10.Qb3 Ne8 (10...Re8 11.Rad1+=) 11.d5 (11.Rad1 Nef6+=) 11...c5 (11...e4 12.Nd2 Nef6 13.a3+=) 12.b5 (12.a3 Nef6+=) 12...f5 13.e4 (13.a4 e4 14.Nd2 Qh4+=) 13...f4 (13...Ndf6!?=) 14.a4+= g5 15.h3 h5 (15...Nb8 16.a5+=) 16.Nh2 Ndf6 17.Qd1 Qf7 18.a5 (18.Nf3 g4 19.Ng5 Qg6=) 18...Bh6 (18...Qg6 19.Bd3+=) 19.b6 (19.Re1 Qg6+=) 19...a6 (19...ab6 20.ab6 Ra1 21.Ba1+=) 20.f3 (20.Bf3 Qg6 21.Kh1 g4=) 20...Kh7 21.Na4 (21.Rb1 Bg7+=) 21...Rg8 (better is 21...Bg7+=) 22.Nc5 (better is 22.Qd3!?+=) 22...dc5+= 23.Be5 Nd7 24.Bb2 Bg7 25.Qc2 (25.Bg7 Kg7 26.Qe1 Nd6+=) 25...Be5 (25...Ne5 26.Rad1+=) 26.Rae1 (26.Rad1 Nd6+=) 26...Nd6 27.Bd3 Qg7 28.Be5 (28.Re2 Re8+=) 28...Ne5–/+ 29.Rd1 Bd7 Black prepares the advance g4 30.Be2 (30.Rf2 Rad8–/+) 30...Raf8 31.Rfe1 (31.Rd2 Rd8–/+) 31...Kh8 (31...Re8 32.Rd2–/+) 32.Rd2 g4 Black gets strong initiative 33.fg4 hg4 34.hg4 Bg4 (34...Qg6!?–/+) 35.Bg4 (35.Ng4 f3 36.gf3 Ndc4 37.Bc4 Nf3 38.Kh1 Qg4 39.Rh2 Kg7+/–) 35...Ng4 (35...Ndc4 36.Rf2 Ne3 37.Re3 fe3 38.Rf8 Rf8 39.Bf5+= (39.Qc5?? Ng4 40.Ng4 e2–+)) 36.Ng4 Qg4 37.e5 (37.Qc3 Kh7 38.e5 Nf5=) 37...Nf5 38.Qd1?? (better is 38.Qe4=) 38...f3–+ Threatening mate: Qxg2 39.e6 (39.Qc2 Nd4 40.Re4–+) 39...Qg2! 40.Rg2 Rg2 A beautiful mate combination 41.Kf1 Ng3 0–1. Gutsko,Anastasiya – Rybenko,Ksenia, EU–ch U12 Girls, 1996.

5.Nc3 c6

6.a4 Be7 7.b5 0–0 8.Nf3 Re8 9.Be2 Nf8 10.0–0 h6 11.Qc2 Be6 12.d4 Qc7 13.de5 de5 14.Ne4 N6d7 15.Ng3 c5 16.Bd3 g6 17.Nd2 Bf6 18.Nde4 Bg7 19.f4 f5 20.Nd2 e4 21.Be2 Nf6 22.Kh1 Rad8 23.Rg1 Bc8 24.Ngf1 Qf7 25.h3 h5 26.Nh2 Bh8 27.g3 Qh7 28.Rg2 Re7 29.Nb3 Ne6 30.a5 b6 31.ab6 ab6 32.Ra8 Nc7 33.Rb8 (better is 33.Ra7=) 33...Nd7–+ 34.Qd1 (34.Bh8 Qh8 (34...Nb8?! 35.Bf6=) 35.Qd2 Kf7 36.Rc8 Rc8–+) 34...Ree8 (better is 34...Bb2 35.Rb6 Ne6–+ (worse is 35...Nb6 36.Qd8 Re8 37.Qd2–+)) 35.Bh8?? (better is 35.Rc8 Rc8 36.Bh8 Kh8 37.Qc2–+) 35...Nb8 (35...Kh8?! 36.Rc8 Rc8 37.g4 hg4 38.hg4–+) 36.Bd4 cd4 37.Nd4 Ne6 38.Kg1 (38.Bf1 Rd6–+) 38...Nd4 (better is 38...Qg7 39.Nf1 Nd4 40.ed4 Qd4 41.Qd4 Rd4 42.Ne3–+) 39.ed4 Bb7 40.g4 h4 (better is 40...fg4 41.hg4 h4–+) 41.gf5 e3 (better is 41...Rd6!? 42.Bh5 Rc8 43.Bg6–+) 42.d5 Nd7 (better is 42...Rd6!? 43.fg6 Qg7–+ (43...Rg6?! 44.Ng4 Qg7 45.f5–/+)) 43.Rg6+= Kh8?? (better is 43...Kf8 44.Nf3 Qh8+=) 44.Qd4+– (44.Qd4 Ne5 45.Ng4+–) 1–0. Nikolic,Jovane (1695) – Kajiwara,Joao Kazuyuki, Sao Sebastiao BRA, Aberto do Brasil, 2013.

6.Rc1 Be7 7.d4 0–0 8.Nf3 e4 9.Nd2 d5 10.Qb3 Nb6 11.c5 Nbd7 12.b5 Re8 13.Qa4 Qc7 14.h3 Nf8 15.b6 (15.Be2 Ne6=) 15...Qb8+= 16.ba7 Ra7 17.Qb3 Ng6 18.Na4 Be6 19.Nb6 Nd7 20.a4 (20.Nd7 Bd7 21.Rb1 Qc7=) 20...f5 (20...Qd8 21.Be2+=) 21.g3 Nf6 22.Be2 h5 (22...Qd8 23.Rb1=) 23.h4 Bd8 24.Ba3 Ng4 25.Bb4 Bc7 26.Rg1 Qd8 27.a5 Qf6 Black plans f4 28.Nf1 f4 (28...Ne7 29.Rb1=) 29.Bg4 Bg4 30.gf4 Nh4 31.Nh2 Nf3 32.Nf3 ef3 33.Kd2 (33.Kd1!?+=) 33...Bf4!–/+ 34.Kc2 (34.ef4 Re4 Double attack (34...Re2 Deflection; 34...Re4 Decoy)) 34...Qf5 (34...Bg5 35.Rh1–/+) 35.Kb2 (35.Kd2 Qe4 36.Qc3 Bc7–/+) 35...Bc7 36.Rh1 g6 (36...Bh3 37.Rb1–+) 37.Rcg1 (37.Rce1 g5–/+) 37...Re7 38.Re1 Kg7 39.Bc3 Re8 40.Qc2 (40.Reg1 Bh3 41.Qc2 Qc2 42.Kc2 Bg2–+) 40...Qc2 41.Kc2 Bf5 42.Kb3 Kh6 43.Bd2 Re4 44.Reg1 g5 Black prepares h4 45.Ra1 g4 46.Be1 (46.Rag1 Bd8–+) 46...Kg5 47.Kb2 (47.Na4 g3 48.Nc3 Rh4–+) 47...h4 Black intends g3 48.Rg1 Re8 49.Kc1 Bh2 50.Rf1 (50.Rh1 g3 51.Kb2 Kg4–+) 50...Bd3 51.Rh1 g3 52.fg3 hg3 53.Bg3 (53.Kd2 Bf5–+) 53...Bg3 54.Kd2 Be4 (54...Bf5 55.Rag1 Kg4 56.Nd7 Bd7 57.Rh7–+) 55.Rag1 Kg4 56.Nd7 f2 (56...Re6!? 57.Nf8 Rf6 58.Nd7–+) 57.Nf6 Kf3 58.Ne8 fg1Q (worse is 58...fg1N 59.Rg1 Ra5 60.Rf1 Bf2 61.Nd6–+) 59.Rg1 Ra5 60.Rf1 Bf2 61.Nd6 Ra2 62.Kc3 Ke2 63.Kb3 Ra5 64.Kb4 Ra6 65.Rc1 (65.Ne4 Kf1 66.Nd6 Ke2 67.Nb7 Ke3–+) 65...Be3 (65...Be3 66.Rc3 Bd4 67.Nb7 Bc3 68.Kc3 Ra3 69.Kb2 Ra7–+) 0–1. Skrivanek,Jan (2225) – Malac,Petr (2095), Czechia KP–chTA, 2007.

6.Qc2 Nb6 7.a3 =.

6.Qc2 Be7 7.Nf3 (7.Rd1 Qb6 8.a3 h6=) 7...0–0 (7...Nf8 8.Be2=) 8.Be2 (8.h3 g6=) 8...Qb6 (8...d5 9.b5=) 9.a3 Re8 10.0–0 Black's piece can't move: c8 10...Nf8 11.d4 ed4 (11...Qc7 12.de5 de5 13.Nb1=) 12.ed4 Black has a cramped position. (12.Nd4 Bd8=) 12...Ng6 (12...Bd7 13.Na4 Qd8 14.Kh1=) 13.d5 White has a very active position (13.h3 Nh8+=) 13...Nf4 14.Qd2 Ne2 15.Qe2 Black has the pair of bishops 15...Bg4 White has an active position 16.h3 White threatens to win material: h3xg4 16...Bh5 17.Qd3 Black has a cramped position (17.Rfe1 h6=) 17...Bg6 Black threatens to win material: Bg6xd3 (17...Rac8 18.dc6 Bf3 19.Qf3 Qc6 20.Nd5 Nd5 21.cd5=) 18.Qd2 a5 19.b5 cb5 (19...Be4 20.Na4 Qd8 21.Rae1 cb5 22.cb5 Bf3 23.Bf6 Bf6 24.gf3+=) 20.cb5 White has an active position. (20.Nb5!? has some apparent merit 20...Rac8 21.Bd4+=) 20...Rac8 21.Rfe1 Kf8 White has a very active position (21...Nd7 22.Re3+=) 22.Nh4 (22.a4 Bd8=) 22...Rc4 23.Ng6 hg6 24.Rad1 Qc5 25.Re3 a4 26.Rde1 Qc7? (26...Bd8 27.Re8 Ne8 28.Ne4=) 27.Ne4 (27.Qd1!? Qc5 28.Na4 Qd5 29.Bf6 Qd1 30.Be7 Re7 31.Rd1 Ra4 32.Rc3+=) 27...Ne4 28.Re4 Re4 29.Re4 Qc5 Black threatens to win material: Qc5xb5 30.Qe2 (30.Ra4 Qb5 31.Ra5 Qb6=) 30...Qd5= 31.Bg7 (31.g3 Qb3=) 31...Kg7+= 32.Re7 Re7 33.Qe7 ½–½. Nemeth,Laszlo – Babucs,Illes, HUN–chT2 Erkel, 2002.

6.d4 ed4 7.ed4 Nb6 8.Nf3 Qe7 9.Qe2 Be6 10.Nd2 0–0–0 =.

6.d4 h6 7.Nf3 Qc7 (7...e4 8.Nd2=) 8.Bd3+= Be7 9.0–0 Nb6 10.c5 Nbd7 11.cd6 Qd6 12.Nb5 cb5 13.de5 Qb4 14.ef6 Qb2 15.fe7 a6 16.Rc1 (better is 16.Nd4+=) 16...Qa2? (better is 16...Ke7 17.Rc2 Qf6+=) 17.Rc8!+– Rc8 18.Bf5 Nf6 19.Qd6 Qc4 (19...Qd5 20.Bd7!! Nd7 21.Qd5 Ke7 22.Qb7+–) 20.Bc8 Qc8 21.Rd1 Nd7 22.Ne5 f6 23.Nd7 (23.Qd7?! Qd7 24.Nd7 Ke7+/–) 23...Kf7 24.Nf8 Rf8 (24...Qc6 25.Qd3 Rf8 26.ef8R Kf8 27.Qd8 Kf7 28.Rd7 Kg6 29.h3+–) 25.ef8R Qf8 26.Qd5 Ke7 (26...Kg6+–) 27.Qd7 1–0. Dopper,Johan – Andersson,Egart, corr TKM/A004, 2000.

6.Be2 Qc7 7.a3 d5 8.cd5 cd5 9.Nc3 a6 10.Rc1 Qb8 11.0–0 Bd6 12.Na4 (12.h3!?=) 12...b5 13.Nc3 0–0 14.d3 Bb7 15.Qd2 (15.h3 Rc8=) 15...Qa7 (15...e4!? 16.Nh4 d4 17.Ne4 Be4 18.de4 A) worse is 18...Ne4 19.Qd3 Nef6 20.Nf5+= (20.ed4?! Bh2 21.Kh1 Bf4=); B) 18...Bh2?! 19.Kh1–/+; C) 18...de3 19.Qe3 Bh2 20.Kh1 Bf4–+) 16.Rc2 Rac8 17.Rfc1 Rc7 18.Nd1 (18.Nb5!? Rc2 19.Na7 Rd2 20.Nd2+/–) 18...Rfc8 19.Rc7 Rc7 20.Rc7 Bc7 21.Qc3 Qb8 22.g3 Ne8 23.d4 e4 24.Ne5 Nb6 25.Qc1 Na4 26.Ba1 Bd6 27.Nc3 Qc7 28.Qd2 (28.Bh5 Be5 29.de5 Nb6=) 28...Nb6 (28...Be5?! 29.Na4 Bf6 30.Nc5+=) 29.Nd1 (29.f4 f6 30.Ng4 Nc4 31.Bc4 dc4–/+) 29...Nc4 (better is 29...f6!? 30.Bh5 Qb8–+ (30...Be5?! 31.Be8 Bd6 32.Bh5–/+)) 30.Nc4+= dc4 31.Bc3 Bd5 32.f4?? (32.Bb2 Nf6–/+) 32...f5 (better is 32...ef3 33.Bf1 Bg3–+) 33.Nf2 a5 (33...Nf6 34.g4–/+) 34.Nh3 (34.ba5 Ba3 35.Bb4 Bb4 36.Qb4 c3 37.Qb5 Nf6+=) 34...h6 35.Nf2 Qe7 36.ba5 Ba3 37.a6 b4 38.Ba1 (38.Qa2 Nd6–/+) 38...c3 (38...Qa7!? 39.Bb2 Qa6 40.Bf1–+) 39.Qc2 Nc7 40.Nd1 Qd6 41.Nc3 (41.a7!? Na8–/+) 41...bc3–+ 42.Qc3 Bb4 43.Qb2 (43.Qc1 Kh7–+) 43...Na8 (43...Na6!? 44.Ba6 Qa6 45.Qb4 Qa1 46.Kg2 Qa2 47.Kg1–+) 44.Kf2 Nb6 45.a7 Na8 46.Kg2 Qb6 47.Kf2 1–0. Fournier,Frederic – l7169, Active, 2005.

6.Be2 d5 7.cd5 cd5 8.Qb3 d4 (8...Nb6 9.Nf3 e4 10.Nd4=) 9.ed4+= ed4 (9...e4 10.d3 ed3 11.Bd3 Qe7 12.Nge2 Qb4 13.0–0+=) 10.Nb5+/– Be7 11.Nf3 a6 (11...0–0 12.0–0+/–) 12.Nbd4+/– 0–0 13.0–0 b5? (better is 13...a5+/–) 14.Nc6+– Qe8 15.Rae1 (15.Ne7?! Qe7 16.Rfe1 Qd6+–) 15...Bb7 (15...Nb6 16.Nfd4 Bd6 17.Bb5 ab5 18.Re8 Ne8 19.Nb5+–) 16.Bb5!! ab5 17.Ne7 Kh8 18.Ng5 h6 19.f4 hg5 (19...Ra6+–) 20.Qh3 Nh7 21.Ng6! fg6 22.Re8 Rae8 23.Qd7 Be4 (23...Nf6 24.Qb7 Rb8+–) 24.Qg7 1–0. miehnekort – ed4nava, Yahoo!, 2005.

6.Be2 Be7 7.Nf3 =.

6.Be2 g6 7.h4 (7.Nf3 d5=) 7...h6 (7...Nb6 8.Nf3=) 8.Qc2 (8.d4 Bg7=) 8...Bg7 9.Nh3 (9.e4 Qb6 10.a3 c5=) 9...Nf8 (9...Nb6 10.d3+=) 10.a4 a5 (10...Be6 11.e4+=) 11.b5= Bf5 12.d3 Ne6 (12...d5 13.bc6 bc6 14.Rb1+=) 13.f3 (13.h5 Rc8= (13...Nh5? 14.g4+–)) 13...Bh3 (13...Nh5 14.g4+/–) 14.Rh3= Qb6 (14...Rc8 15.Rb1=) 15.Qd2 (15.Ne4 0–0 16.Nf6 Bf6=) 15...d5 (15...Nc5 16.Qc2=) 16.bc6 bc6 (worse is 16...Qc6 17.cd5 Nd5 18.h5+=) 17.cd5 Nd5 18.Nd5 cd5 19.Ba3 (19.h5!?=) 19...d4+= 20.ed4 (20.e4 Qc6+=) 20...Nd4–/+ 21.Ra2 (21.Qd1 Rb8 22.Rc1 Bf8 (22...Ne2?! 23.Ke2 Qb3 24.Bd6+=) 23.Bf8 Kf8–/+) 21...Bf8 22.f4 (22.Rb2 Nb3 23.Qc3 Qg1 24.Bf1 Nd4=) 22...Ba3 23.Ra3 Rb8 (23...ef4!? 24.Rc3 0–0–+) 24.Rc3 0–0 (24...ef4 25.Qf4 0–0–+) 25.fe5= Nf5 (25...Rfe8 26.Re3 Nf5–/+) 26.h5?? (26.d4 Qd4 27.Qd4 Nd4=) 26...Rfe8?? (better is 26...Qg1 27.Bf1 Rfe8–+) 27.d4+= Qd4 (27...Nd4 A) 28.Qh6 Re5 (worse is 28...Ne2 29.Rce3 Qb4 30.Kf2–+) 29.hg6 Re2 30.Kd1 Qb1 31.Rc1 fg6 32.Qh7 Kf8+/–; B) 28.Rhe3=) 28.Qd4= Nd4 29.Rhe3 (29.Rc5 Rb2 30.Bc4 Rg2+=) 29...Ne2 (29...gh5 30.Re4 Rb1 31.Kf2 Ne2 32.Ke2–/+) 30.Ke2 Rb4 31.hg6 fg6 32.Rc6 Rg4 (32...Kf7 33.Rc7 Ke6 34.Rg7=) 33.Kf3 (33.Ra6 Ra4 34.Rg6 Kh7=) 33...Rg5 Attacks the isolani on e5 34.Rc5 (better is 34.g4=) 34...Kf7? (better is 34...Rf8 35.Ke2 Rg2 36.Kd3 Ra8=) 35.Ra5+– Rf5 (35...Rf8 36.g3+–) 36.Ke4 Re7 37.Rf3 (37.g3 Rf1+–) 37...Rf3 38.gf3 h5 39.f4 Ke6 (39...Rb7 40.Rb5 Ra7 41.a5+–) 40.Ra6 (40.Ra8 Kf7+–) 40...Kf7 41.a5 Rc7 (41...h4 42.Ra8 Kg7 43.Rd8+–) 42.f5 (42.Rf6 Kg7+–) 42...gf5 43.Kf5 h4 44.Rh6 Rc5 45.a6 Ra5 46.Rb6 (46.Kg4 Ra4 47.Kg5 h3+–) 46...h3 47.Rh6 h2 (47...Kg7 48.Rh3 Ra6 49.Rc3+–) 48.Rh2 (48.Rh7 Kg8 49.Rh2 Ra6+–) 48...Ra6 49.Rh7 Ke8 ½–½. Andersen,Ejnar – Stewart,Tanya (2010), Lyngby mT, 1996.

6.Nf3 d5 7.cd5 cd5 8.Qb3 e4 9.Nd4 Nb6 10.a4 Be6 11.a5 Nc8 12.Bb5 Bd7 13.Nd5 Be7? (better is 13...Bb5 14.Nf6 Qf6 15.Nb5 Qc6+/–) 14.a6+– (14.Ne7?! Ne7 15.Bc4 0–0+–) 14...b6 (14...Rb8 15.ab7 Bb5 16.bc8Q Qc8 17.Ne7 Qg4+–) 15.Nc6 (15.Ne7?! Ne7 16.d3 0–0+–) 15...Bc6 16.Bc6 Nd7 17.Ba8 0–0 18.Qc3 Nf6 19.Rc1 Nd6 (19...Re8 20.Bc6 Nd6 21.Qe5+–) 20.Qe5 Re8 21.Bc6 Rf8 (21...Kf8+–) 22.Ne7 Kh8 23.Qf6! gf6 (23...gf6 24.Bf6 Mate attack) 24.Bf6. Fournier,Frederic (2270) – Pascal183 (1810), echecsemail.com, 2007.

6.Qb3 Be7=+

7.Nf3 0–0 8.d4= ed4 (8...a5 9.b5=) 9.ed4 (9.Nd4 a5 10.a3 Re8=) 9...Re8 (9...d5 10.cd5 Nd5 11.Nd5 cd5 12.Bd3=) 10.Be2= Bf8 (10...d5 11.0–0=) 11.0–0 Ne4 (11...a5!?=) 12.Ne4+= Re4 13.Bd3 Re8 14.Rfe1 Re1 (14...Be7 15.d5+=) 15.Re1+/– Nf6 16.a4 (16.d5 Bg4+/–) 16...Bg4+= 17.Nd2 (17.Re3 g6+=) 17...d5 18.c5 a6 (18...Qd7 19.h3 Bf5 20.Nf3+=) 19.b5 (19.Qc2 b6+/–) 19...ab5+= 20.ab5 Qc8 (20...Qd7 21.Re5+=) 21.Qc2 (21.Bc1 Qd7+=) 21...g6 (21...cb5 22.h3 Bd7 23.Nf3=) 22.f3 (22.h3 Be6+=) 22...Bd7 23.b6 Ra2 (23...Bg7 24.Bc1+=) 24.Qb3 (24.Nb1 Ra8+=) 24...Ra8 25.Qc2 Nh5 (25...Ra2 26.Nb1 Ra8 27.Bc1+=) 26.g3+= Bh3 (26...Bg7 27.Nb3+=) 27.Nf1 (27.Bc3 Bh6+=) 27...Bf1 (27...Bg7 28.Ne3+=) 28.Bf1+= Ra2 29.Qb3 Ra8 30.Qe3 Ng7 31.Qe5 (31.Qd3 Ne6=) 31...Qe6 32.Qe6 (32.f4 Qe5 33.fe5 Ne6=) 32...Ne6 33.Bh3 Nc5 (33...Ra2 34.Be6 fe6 35.Re2+=) 34.dc5 Bc5 35.Kf1 Kf8 (35...d4!?=) 36.Bf6 Bb6 (36...h5 37.Bd7+/–) 37.Rb1 Bd8 38.Bd8 Rd8 39.Rb7 c5 40.Rc7 c4 41.f4 (41.Bc8 Kg7+/–) 41...Ra8 42.Bg4 Ra1 43.Kg2 Ra2 44.Kh3 (44.Kg1+/–) 44...h6 (44...Rd2!?+=) 45.Bf3 (45.f5 gf5 46.Bh5 f6+/–) 45...Rd2 (45...Ra5 46.Rd7+/–) 46.Rc5 d4 (46...Ke7!? 47.Rd5 Rd5 48.Bd5 c3+–) 47.Rc4+– g5 (47...Rf2 48.Be4 Rd2 49.Rc7+–) 48.fg5 (48.Kg4 f6+–) 48...hg5 49.Kg4 f6 50.Kf5 (better is 50.h4 gh4 51.gh4+– (worse is 51.Kh4 Ke7+–)) 50...Rf2+/– 51.Kf6 Rf3 52.Kg5 d3 (52...Rd3 53.Kf4+/–) 53.Rd4 Rf2 (53...Kf7 54.Kg4 Rf2 55.Rd3 Rh2 56.Kg5+–) 54.h4 (54.Rd8 Kf7+–) 54...d2+/– 55.h5 Kf7 56.g4 Ke6 57.Kg6?? (better is 57.h6 Kf7 58.Rd8+–) 57...Ke5= 58.Rd3 (58.Rd2 Rd2 59.h6 Rd6 60.Kg7 Rd7 61.Kg6 Rd8=) 58...Rf6 59.Kg7 Rd6 60.Rd2 Rd2 61.h6 Rd7 62.Kg6 ½–½. Zalys – Bagusis, Montreal, 1983.

7.Nf3 a5 8.a3 e4 9.Ng5 d5 10.cd5 cd5 11.Nd5 Nd5 12.Nf7?? (better is 12.Qd5!? Bg5 13.Bg7+/–) 12...Kf7 (better is 12...Nc5!? 13.bc5 Kf7–/+) 13.Qd5= Kf8 14.Bc4 Qe8 15.Qe4 Bf6 16.Qf3 ab4 17.d4 Qe7 18.0–0? (better is 18.a4+=) 18...Nb6–+ (18...ba3 19.e4 ab2 20.Ra8+/–) 19.Bb3 ba3 20.Bc1 Be6 (better is 20...h5!? 21.e4 Bg4–/+) 21.Be6= Qe6 22.Ba3 Kf7 23.e4 Kg6 24.e5 Be7 25.Qe4 Kh6 26.Bc1 g5 27.Ra8 Ra8 (worse is 27...Na8 28.f4 Qc6 29.d5 Bc5 30.Kh1+/–) 28.h4 Qd5 29.hg5 Kg7 30.Qh4 Nd7 31.Qh6 Kg8 32.g6 Nf8 (32...Qd4?? 33.Qh7 Kf8 34.Qh8) 33.gh7 Nh7 34.Be3 b5 35.f4 Ra2 36.Qg6 Kh8 37.f5 Bg5 38.Qe8 Kg7 39.f6 (39.Bf2!?+/–) 39...Kh6= 40.Bf2 Bh4 (40...Rf2 41.Rf2 Be3 42.f7 Bf2 43.Kf2 Qd4 44.Kg3 Qe3 45.Kh2 Qf4 46.Kg1 Qd4 47.Kh2 Qh4 48.Kg1 Qe1 49.Kh2 Qh4 50.Kg1 Qd4 51.Kf1 Qc4 52.Ke1 Qb4 53.Kd1=) 41.g3 (41.Qe7 Bf2 42.Rf2 Ng5 43.Qf8 Kh5 44.Qh8 Kg6 45.Qe8 Kh6 46.Ra2 Qa2+/–) 41...Ng5 (better is 41...Rf2!? 42.Rf2 Bg3=) 42.Qh8+/– (42.gh4?? Nf3 43.Kg2 Ne1 44.Kg3 Qg2 45.Kf4 Qf3) 42...Kg6 43.Qg7 Kh5 44.gh4 Nf3 45.Kh1 Nh4? (better is 45...Ne5 46.Qg2 Nf3+–) 46.Kh2 Nf3 (46...Nf5 47.Qh7 Nh6+–) 47.Kg3 Ra3 (47...Qe4 48.Rh1 Nh4 49.Qh8 Kg6 50.Rh4 Qd3 51.Kg2 Rf2 52.Kf2 Qd2 53.Kf3 Qd3 54.Kf4 Qd4 55.Kf3 Qd3 56.Kf2 Qd2 57.Kg1 Qd1 58.Kh2 Qe2 59.Kg3 Qd3 60.Kg2 Qe2 61.Kh3 Qf3 62.Kh2 Qe2 63.Kh1 Qf3 64.Kh2 Qe2=) 48.Qg4 (48.Kf4 Qe4 49.Ke4 Ng5 50.Kd5 Ra7 51.Qa7 Kg4 52.Qd7 Kf4 53.Bh4 Nf3 54.Qh3 Ke3 55.Rf2 b4 56.Qf3) 48...Kh6 49.Be3! Re3 50.Qf4 (50.Qf4 Kg6 51.Qe3+– (51.Rf3?! Rf3 52.Qf3 Qd4+/–)) 1–0. Baret,Antoine (2110) – Derieux,Christian (2135), FRA–chT2B, 2006.

7.Nf3 a5 8.b5+=.

5.Nc3 Be7

6.Nf3 c6 7.Be2 (7.Bd3 a5 8.a3 d5 9.cd5 cd5=) 7...Qc7 (7...e4 8.Nd4=) 8.a4 (8.0–0 0–0+=) 8...a6 (8...e4 9.Nd4=) 9.0–0 0–0 (9...a5 10.b5+=) 10.d4 e4 (10...ed4 11.Nd4 a5 12.b5+=) 11.Nd2+/– d5 (11...a5 12.b5+/–) 12.cd5 cd5 (12...Nd5 13.Nde4 Nb4 14.d5 cd5 15.Nd5 Nd5 16.Qd5+/–) 13.Qb3 White plans b5 13...Qd6 14.Ba3 (14.b5 Qb4+/–) 14...Qe6 15.b5 (15.a5 Nb8+/–) 15...Ba3+= 16.Ra3 (16.Qa3 b6+=) 16...a5 17.Rc1 (17.b6 Nb6 18.Rb1 Nbd7=) 17...b6= 18.Ra2 Bb7 19.Rac2 Rfc8 20.Ncb1 (20.Nf1 g6=) 20...Rc2 21.Rc2 Rc8 (21...Ne8 22.Nf1=) 22.Rc8+= Bc8 23.Qc3 Nf8 24.Qc7 Ne8 25.Qd8 Bd7 26.Nc3 Qf6? (better is 26...Qd6+=) 27.Qb8+– Qe6 28.Nd5?? (better is 28.Bd1+–) 28...Qd5+= 29.Qb6 Qa8 (29...Qa2!? 30.Qa5 Nf6+=) 30.Nc4+/– Nf6 (30...Qd5 31.Qa5 Nd6 32.Qb4 Nb5 33.Qa5+–) 31.Qa5 Qa5 32.Na5 Nd5 33.Bd1 Ne6 (33...Be6 34.Bc2 Nd7 35.Nc6+/– (35.Be4?! Nc3 36.Bc2 Nb6+=)) 34.Nb7 (better is 34.Bb3 Nc3 35.b6+–) 34...Nec7? (better is 34...Kf8!?+/–) 35.Nc5+– Bc8 (35...Be8 36.Ne4 f5 37.Nc5+–) 36.Ne4 (better is 36.Bb3 Kf8 37.a5 Nb4+–) 36...Bb7? (36...Kf8+–) 37.Nd6 Ba8 38.Bb3 (better is 38.a5 Nc3 39.b6 Na6+–) 38...Kf8 39.e4 Nc3 (39...Ke7 40.Nf5 (40.Bd5?! Nd5 41.e5 f6+–; 40.ed5?! Kd6 41.b6 Na6=) 40...Kf6 41.f3+– (41.Bd5 Nd5 42.a5 Nc3+–; 41.ed5 Kf5 42.d6 Ne6+–)) 40.b6 Ne6 (40...Ne8 41.b7 Bb7 42.Nb7 Ne2 43.Kf1 Nd4 44.Bc4+–) 41.Be6 fe6 42.b7 (42.a5!? Ne2 43.Kf1 Nd4+–) 42...Bb7 43.Nb7 Ne4 (43...Na4 44.f3 Nb2 45.Kf1+–) 44.a5 Nc3 45.a6 Nb5 46.f4 Ke7 (46...Na7 47.Kf2+–) 47.Kf2 Kd7 (47...Na7 48.Ke3+–) 48.Nc5 (48.Ke3 Kc6+–) 48...Kd6 49.Ke3 Kd5 (49...g6 50.Ke4+–) 50.g4 g6 (50...h6 51.h4+–) 51.h4 Kd6 (51...Nc7 52.a7+–) 52.Ne4 Ke7 (52...Kc6 53.Ng5 h5 54.gh5 gh5 55.Ne6+–) 53.Kd3 Kf7 (53...h5 54.gh5 gh5+–) 54.Kc4 (better is 54.Nd6 Nd6 55.a7 Ne8+–) 54...Na7 55.Kc5 Ke7 56.Kb6 Nc8 57.Kb7 (better is 57.Kc7 Na7+–) 57...Kd8 58.a7 (58.Ng5 h6+–) 58...Na7 59.Ka7 1–0. Lorenz,Alexander (2020) – Ellmer,Lukas, Leibnitz AUT,Steirische Landesliga, 2017.

6.Nf3 h6 7.d4 c6 8.Be2 g5 9.h3 Nf8? (better is 9...e4!? 10.Nd2 d5+=) 10.de5+– de5 11.Qd8 (worse is 11.Ne5 Qd1 12.Rd1 Bb4+/–) 11...Bd8 12.Ne5 Bc7 13.Ng4 Ng4 14.hg4 f5? (better is 14...Be5+–) 15.Nd5 Bd6 (15...cd5 16.Bh8 dc4 17.gf5 Bf5 18.Bc4+–) 16.Bh8 fg4 (16...cd5 17.c5 Bc7+–) 17.Rh6 Kd7 (17...Be6 18.c5 Bd5 19.cd6 a5 20.ba5 Ra5+–) 18.Bg4 Kd8 19.Rd6 Ke8 20.Bh5 Ng6 21.Bg6 Kf8 22.Rd8 1–0. Schellen,Anton – Van Dosselaer,Mattias, SE–2010–0–00051, 2010.

6.d4 ed4

7.ed4 0–0 8.g3 Re8 9.Bg2 (better is 9.Nge2!?–/+) 9...Nb6 10.c5 dc5 11.bc5 Nc4 12.Bc1 c6?? (better is 12...Bc5 13.Nge2 Qd4–+) 13.Nge2–/+ Bg4 14.f3 (14.Qa4!? Be6 15.0–0=+) 14...Bf5 15.0–0 Qc7 (15...b6!?–/+) 16.Qb3 Na5 17.Qa4 b6 18.Bf4 Qd7 19.cb6 (better is 19.Be5!?=+) 19...ab6–/+ 20.Rab1? (better is 20.Rae1–/+) 20...Bd6?? (20...b5 21.Qd1 Bb1 22.Qb1–+) 21.Qd1?? Bf4–+ 22.Nf4 Rab8 23.Na4?? Bb1–+ 24.Qb1 b5 25.Nc5 Qd6 26.Rd1 Nc4 27.Qf5? Ne3 28.Qg5 Nd1 29.h4 Qd4 30.Kh2 h6 31.Qf5 Re5 32.Qh3 Qc5 33.g4 Re2! 34.g5 hg5 35.hg5 Qg5 36.Ne2 Qh5 37.Qh5 Nh5 38.f4 Re8 39.Nd4 Nf4 40.Bc6 Rd8 41.Nb5 Rd2 42.Kg3 Ng6 43.a4 Rc2 44.Be4 Nc3 45.Nc3?? Rc3–+ 46.Kf2 Ra3 47.Bc6 Ne5 48.Bb5 Ra4 49.Ba4 f6 50.Kg3 (50…Kf7 51.Bb3 Kg6 52.Kf4–+). slavisa11 – ontherooks, Live Game Caissa's Web, 2004.

7.ed4 c5 8.bc5 dc5 9.d5 Qb6 10.Qd2 0–0 11.Nf3 a6 12.Bd3 Bd6 13.0–0 Ne5 14.Ne5 Be5 15.Na4 Qd6 16.Be5 Qe5 17.Nc5 Qd6 18.Ne4 Ne4 19.Be4 b5 20.cb5 ab5 21.Qc2 g6 (better is 21...f5!? 22.Bf3 Bd7+=) 22.Qc6+– Qb8 23.Rfb1 b4 24.Qc4 Ba6 25.Qb4 Qe5 26.Re1 Rab8 27.Qa5 Qd6 28.Bf3 Rb5 29.Qa4 Rfb8 30.h3 Rb4 (30...Rc5 31.Rac1 Bb5 32.Qd4 Rc1 33.Rc1+–) 31.Qc6 R4b6 32.Qd6 Rd6 33.Rec1 Rbb6 34.Rc6 Bb7 35.Rb6 Rb6 36.a4 Kf8 37.a5 Rd6 38.Rb1 Bd5 (38...Ba6+–) 39.Rd1 1–0. Humeau,Cyril (2255) – Camblan,Roger, Ajaccio FRA, 1st Open, 2012.

6.Be2 0–0

7.Qc2 a5 8.b5 =+.

7.Qc2 c6 8.a3 b6 9.Nf3= Bb7 (9...d5 10.0–0=) 10.d4 Qc7 (10...a5 11.0–0=) 11.0–0+= Rfe8 12.Rac1 Bf8 (12...ed4 13.Nd4 Ne5 14.Rfd1+=) 13.Qf5 (13.Bd3 a5+=) 13...ed4 (13...Bc8 14.b5+=) 14.ed4 g6 (14...Re7 15.Rfe1+=) 15.Qf4 Bg7 16.Bd3 (16.Rfe1 a5+=) 16...Rac8 (16...a5 17.Rfe1+=) 17.d5 (17.Rfe1 a5+=) 17...Nh5 18.Qd2 Ne5 19.Be2 cd5 (19...Nf3 20.Bf3 Nf6 21.dc6 Bc6 22.Nd5 Bd5 23.cd5+/–) 20.Ne5 (worse is 20.cd5 Nc4 21.Bc4 Qc4+=) 20...Be5 (20...de5 21.Nd5 Qd8 22.Bh5 gh5 23.Rfd1+/–) 21.Bh5 (21.Nd5 Bd5 22.cd5 Qe7 23.Rc8 Rc8 24.Bh5 Bb2 25.Qb2 gh5+/–) 21...gh5 (21...Qc4 22.Nb1 Qa2 23.Be5 Qd2 24.Nd2 de5 25.Be2+=) 22.f4 Bg7 23.Nd5 (23.cd5?! Qc4 24.Rfd1 Qb3=) 23...Bd5 24.Bg7 (24.cd5 Qe7+/–) 24...Be4? (better is 24...Bc4!? 25.Bb2 f6+=) 25.Bb2+– Rf8 (better is 25...Kf8+–) 26.Qd4 Threatening mate: Qg7 26...f5 27.Qh8 (27.Rfe1 h4+–) 27...Kf7 28.Qh7 Ke6 29.Qh5 Rg8 Threatening mate... how? 30.Rf2 Qc6 (30...Rce8 31.Rd2+–) 31.g3 (31.Qh6 Kd7+–) 31...Rce8 (31...Rge8 32.Rd2 Kd7 33.Rcd1+–) 32.Rd2 Rd8 (32...Rg4 33.Rcd1 Reg8 34.Qh6 R4g6 35.Qh7+–) 33.Qh6 Kf7 (33...Kd7 34.Bf6 Rde8 35.Be5+–) 34.Qf6 Ke8 35.c5! Bh1 (35...dc5 Exploits the pin 36.Rd8 A double attack) 36.Qe6 1–0. Levermann,Claus Peter – Solberg,Kirsten, Ruhrgebiet VK4, 1996.

7.Qc2 c6 8.a3 Nb6 9.Nf3 Ne8 (9...Be6 10.d3=) 10.d4+= ed4 (10...Be6 11.Qb3=) 11.Nd4 g6 (11...c5!? 12.Nf5 Be6 13.Ne7 Qe7+=) 12.0–0+/– Nc7 (12...Be6 13.Ne6 fe6 14.Ne4+/–) 13.Rad1 d5 (13...Qe8 14.Qd3+/–) 14.c5 Nd7 15.h3 (15.e4 Re8+/–) 15...Nf6 (15...Ne6 16.e4 Nd4 17.Rd4+/–) 16.Bd3 (16.Rfe1 Re8+/–) 16...Ne6 17.Rfe1 (17.Nce2 a5+/–) 17...Ng5 (17...Nd4 18.ed4 Be6 19.Re2+/–) 18.Be2 (18.e4 de4 19.Ne4 Nge4 20.Be4 Qc7+/–) 18...Qc7 19.Bf1 (19.Qd3 a5+/–) 19...Nfe4 (19...a5 20.Be2+/–) 20.Nce2 (20.Ndb5 Qb8+/–) 20...Bf6 21.h4 (21.Nf4 Re8+=) 21...Bd4 (21...Ne6!?=) 22.Bd4 (22.Nd4 Ne6+/–) 22...Ne6+= 23.Ba1 f5 (23...b6 24.f3 Ng3 25.Ng3 Qg3 26.cb6 ab6 27.Qc6 Ra3 A) 28.Qd5?! Re3 (worse is 28...Qh4 29.e4+/–) 29.Be5 Nf4 30.Bf4 Qf4=; B) 28.Bf6+/–) 24.Qb2+/– Qg7 (24...Ng7+/–) 25.Qc2 (25.Qg7 Ng7 26.Nd4 Bd7+/–) 25...Qe7 (25...Qc7!?=) 26.g3 (26.f3 Nf6+=) 26...Nf6 (26...a5 27.Qb2 Ng7 28.f3+=) 27.Bg2 (27.Be5 Re8+/–) 27...Bd7 (27...a5 28.Be5 Re8 29.Qb2 ab4 30.Bf6 (worse is 30.Qb4 Ne4+=) 30...ba3 31.Be7 ab2 32.Bd6+/–) 28.Be5+/– Ne8 29.Qc3 Rf7 (29...b6 30.h5+/–) 30.Rd2 (30.Nf4 b6+/–) 30...Nf6+= 31.Red1 (better is 31.Bd6!? Qe8 32.f3+=) 31...Ne4= 32.Be4 fe4 33.Nf4 Nf4 (33...Rf5 34.Bd6 Qf7 35.g4=) 34.Bf4 (34.ef4 Bg4 35.Re1 Rd8=) 34...a6 (34...Bg4 35.Rb1–/+) 35.a4 (35.Bd6 Qe6+=) Be6 (35...Be6 36.Rb1 Qd7+=; 35...Bg4 36.Rc1–/+) 0–1. Margraf,A – Gutgesell, Bayer Sen–EinzelM, 1992.

7.Qc2 c6 8.Nf3 d5 =+.

7.Qc2 Re8 8.Nf3=.

7.Nf3 d5 8.cd5 Bb4+=.

7.Nf3 d5 8.Nd5 Nd5 9.cd5 e4 =.

6.Nf3 0–0

7.d4 e4 8.Nd2 c6 9.Nce4 Ne4 10.Ne4 Re8 11.Be2 b6 12.Bg4 (12.0–0 d5 13.cd5 cd5+/–) 12...Bb7 (better is 12...d5!? 13.cd5 cd5=) 13.Qb3 d5 14.cd5 cd5 15.Nc3 Nf6 16.Bf3 The pressure on the isolated pawn grows 16...Rb8 17.0–0 Qd7 18.Rac1 Ba6 19.Rfd1?? (19.b5 Bb7 20.Ba3+–) 19...Bd6?? (19...Bc4 20.Qa4 Qa4 21.Na4 Bb4 22.a3+=) 20.h3?? (20.Nd5 Nd5 21.Bd5 Bb5+–) 20...Ne4?? (better is 20...Bc4 21.Qa4 Qa4 22.Na4 Bb4+=) 21.Nd5 Ng5 22.Bg4 Qb7?? (22...Qd8+–) 23.b5 Bb5 24.Qb5 a6 (24...Rbd8+–) 25.Qd3 (better is 25.Qc6 Red8 26.Qb7 Rb7 27.Bc8+–) 25...Qd5 26.Qa6 f5 27.Be2 Red8 (27...b5 28.Qa5 Red8 29.Ba1+–) 28.Qc4 (better is 28.Bc4 Qf7 29.Bf7 Nf7 30.Qb5+–) 28...Qc4 29.Rc4 1–0. Rush,Bradley – Bokadom,Mohamed, ZL–2011–0–00995, 2011.

7.d4 Re8 8.Be2 (8.Bd3 ed4 9.Nd4 Ne5=) 8...Bf8 (8...ed4 9.Nd4 Nb6 10.b5=) 9.Qc2 (9.0–0 c5 10.a3 a5=) 9...ed4 10.Nd4 Ne5 (10...a5 11.b5+=) 11.0–0–0 (11.0–0 a5 12.a3 Bg4+=) 11...Nfg4 (11...c6 12.Nf3+=) 12.Rdf1 (12.Rhf1 a5 (worse is 12...Nh2 13.Rh1+/–) 13.b5 Be7= (worse is 13...Nh2 14.Rh1+/–)) 12...c5+= 13.bc5 dc5 14.Nf3 g6 (14...Bd6!?=) 15.h3+= Nh6? (15...Nf3 16.hg4 Ne5 17.Rd1+/–) 16.Rd1 (16.Ne5 Re5 17.Nd5 Bg7 18.Be5 Be5+–) 16...Qa5 (16...Nd7 17.Ne4 Bg7 18.Bg7 Kg7 19.Qb2 f6 20.Nc5+/–) 17.Ne5 Re5 18.Nd5 Re6 (18...Bg7 19.Be5 Be5 20.Ne7 Kg7+–) 19.Nf6 (19.Qc3 Qc3 20.Bc3 Nf5+–) 19...Kh8? (19...Kg7 20.g4 Be7 21.Nd5 Kf8 22.Qd2+/–) 20.Nh5?? (better is 20.Qc3 Qc3 21.Bc3+–) 20...Kg8+= 21.Nf6 Kh8 22.Nh5?? (better is 22.Qc3 Qc3 23.Bc3+–) 22...Kg8+= 23.Nf6 (better is 23.Bd3+=) 23...Kh8+– 24.Nh5?? (better is 24.Qc3 Qc3 25.Bc3+–) 24...Kg8+= 25.Nf6 (25.Bd3!?+=) 25...Kh8= 26.Nh5 ½–½. jaddwarrior (2085) – Reidulf (1945), ChessWorld.net, 2017.

5.Nc3 g6

6.Qb3 Bg7 7.Nf3 0–0 8.Be2 (8.e4 a5=) 8...c6 (8...Re8 9.e4=) 9.d4 (9.0–0 a5=) 9...e4 (9...ed4 10.ed4 a5 11.0–0=) 10.Ng5 (10.Nd2 Re8+=) 10...Re8 (10...Qe7 11.a3=) 11.h4 (11.0–0 Bh6 12.h4 Bg7=) 11...h6 (11...Nb6 12.h5=) 12.0–0–0?? (better is 12.Nh3=) 12...a5 (12...a5 13.Nh3 ab4 14.Qb4 c5–/+) 0–1. jaddwarrior (1925) – onasa582349 (1790), ChessWorld.net, 2014.

6.d3 Bg7 7.Nf3 0–0 8.Be2 h6 9.e4 Ne8 (9...a5 10.a3=) 10.g3 (10.0–0 Nef6+=) 10...c6 (10...a5 11.a3=) 11.Nh4 (11.0–0 Nef6+=) 11...Kh7 (11...Ndf6 12.0–0+=) 12.Ng2 (12.0–0 Nc7=) 12...f5 (12...Nc7 13.0–0=) 13.Qd2 (13.ef5 gf5 14.0–0 Nc7+=) 13...a5 (13...f4 14.Nh4= (worse is 14.gf4 ef4 15.Nf4 Qf6–/+)) 14.b5 (14.ef5 ab4 15.fg6 Kg6=) 14...Nc5 15.Rb1 Nc7 16.h4 (16.bc6 bc6 17.ef5 Bf5=) 16...cb5 17.cb5 b6 18.a4 (18.h5 g5=) 18...Be6 (better is 18...d5 19.h5 g5 20.ef5 Bf5–/+) 19.Bf3?? (better is 19.h5 gh5 20.ef5 Bf5 21.Ba3=) 19...fe4–+ 20.Be4 d5 21.Bg6 (21.Ba3 de4 (worse is 21...Ne4 22.de4 Rf3 23.Rc1–+) 22.Bc5 bc5 23.Ne4 Bf5–+) 21...Kg6 22.h5 (22.0–0 Rf3–+) 22...Kh7 Black intends e4 23.Nh4 (23.0–0 Rf3 24.Ne1 Rf5–+) 23...e4 24.de4 de4 (better is 24...d4 25.Ba3 dc3 26.Qd8 Rfd8 27.Bc5 bc5 28.Ng6–+) 25.Ne4 (25.Qd8 Rad8 26.0–0–+) 25...Qd2 26.Nd2 Bb2 0–1. Rzayev,Hasan_Agha – Babazada,Khazar, Aydin Guseinov Memorial, 2016.

6.Nf3 c6 7.d4 e4 (7...Bg7 8.Be2=) 8.Nd2 d5 9.b5 Bg7 10.Ba3 Qa5 11.Qb3 a6 (11...Bf8!? 12.Bb2 Be7+=) 12.Bb4 Qd8 (12...Qc7+–) 13.bc6 bc6 14.cd5 cd5 15.Nd5 Rb8 16.Bc4 a5?? (better is 16...Bf8 17.a3 Bb4 18.ab4 Nd5 19.Bd5 Qe7+–) 17.Nf6 Qf6 18.Ne4 Rb4 (18...Qc6 19.Nd6 Kd8 20.Nf7 Ke8 21.Nd6 Kd8 22.Ba5 Ke7 23.Bb4 Rb4 24.Nc8 Rc8 25.Qb4 Ke8 26.Rc1 Qg2 27.Rf1+–) 19.Nf6 Bf6 (19...Nf6 20.Bb5 Kf8 21.Qa3+–) 20.Qc2 (20.Bf7!? Kf8 21.Qd5 Kg7+–) 20...Nb6 (20...0–0 21.Rb1+–) 21.Bd3 0–0 (21...Be6 22.Qc5 Nd7 23.Qa5+–) 22.a3 (22.a3 Bd4 23.ed4 Re8 24.Be2 Rd4 25.0–0+–) 1–0. Sopko,Cassio Roberto (1895) – De Gois,J (1915), Pan–American Seniors, 2014.

6.Nf3 Bg7

7.d4 0–0 8.Bd3 A) 8...Re8 9.de5 (9.Be2 ed4 10.Nd4 a5 11.b5 Ne5 12.0–0 Bg4 13.f3 Bd7 14.Nd5=) 9...de5 10.e4 a5 11.a3 c5 12.b5 Qb6 13.0–0 Qd6 14.Qc2+=; B) 8...Qe7 9.Be2 ed4 10.Qd4 Ne5 11.Qh4 a5 12.b5 a4 13.Rd1 a3 14.Ba1=; C) 8...c5 9.de5 (9.dc5 dc5 10.b5 Qe7 11.Qc2 Rd8 12.Rd1 a6 13.ba6 Ra6 14.0–0=; 9.bc5 ed4 10.ed4 Re8 11.Ne2 Qa5 12.Qd2 Qd2 13.Kd2 dc5 14.Ne5=) 9...de5 10.b5 Qe7 11.Qc2 Rd8 12.Rd1 a6 13.0–0 Nb6 14.Be2=.

7.d4 0–0 8.Be2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 e5 7.Be2 Nbd7 8.Nc3).

7.d4 ed4 8.ed4 0–0 9.Be2 (9.Qb3 Nb6 10.Be2 a5 11.ba5 Ra5 12.0–0 Re8 13.Rfe1 Bf5 14.Rad1=; 9.a3 Nb6 10.Be2 Bg4 11.Qb3 Bf3 12.Bf3 Re8 13.Kd1 Qd7 14.h3+=) 9...d5 10.c5 a5 11.b5 Re8 12.0–0 Ne4 13.Rc1 Ndf6 14.Re1=.

7.d4 ed4 8.Nd4 0–0 (8...a5 9.b5 (9.a3 0–0 10.Be2 ab4 11.ab4 Ra1 12.Ba1 c5 13.bc5 dc5 14.Ndb5=; 9.ba5 Ra5 10.Be2 0–0 11.0–0 Re8 12.Qd2 Ne5 13.Ndb5 Bg4 14.f3=) 9...0–0 10.Be2 Nc5 11.0–0 Be6 12.Na4 Nfd7 13.Nc5 Nc5 14.Rb1=; 8...Ne5 9.a3 (9.Nd5 0–0 10.Be2 a5 11.b5 Nd5 12.cd5 Qg5 13.Kf1 Nd7 14.Nf3=; 9.Be2 0–0 10.0–0 a5 11.a3 Re8 12.Nd5 h6 13.Qd2 Bd7 14.Nf6=; 9.Rb1 0–0 10.Be2 Re8 11.0–0 c5 12.bc5 dc5 13.Nf3 Bf5 14.Ne5=) 9...0–0 10.Be2 Re8 11.0–0 a5 12.Nd5 h6 13.Qd2 c5 14.Nf6+=) 9.a3 'Black's piece can't move: c8' (9.Be2 c5 (9...Qe7= 10.a3 a5 11.0–0 ab4 12.ab4 Ra1 13.Qa1 Re8 14.Qa5+=) 10.bc5 dc5 11.Ndb5 Ne4 12.Qc2 Nc3 13.Bc3 Ne5 14.0–0=; 9.Bd3 Ne5 10.Be2 a5 11.b5 Re8 12.0–0 Bg4 13.f3 Bd7 14.Nd5=; 9.Qd2 a5 10.a3 Ne5 11.Nd5 c5 12.bc5 dc5 13.Nf5 Bf5 14.Be5=) 9...Ne5 (9...Nb6 10.Be2 (10.Qb3= Qe7 11.Be2 c5 12.Nf3 Be6 13.Rd1 cb4 14.Qb4=) 10...Be6 11.Qb3 Qe7 12.Ne6 fe6 13.0–0 a5 14.Qc2=; 9...a5 10.Be2 ab4 11.ab4 Ra1 12.Ba1 c5 13.bc5 dc5 14.Ndb5=) 10.Be2 Bd7 (10...a5 11.0–0 Re8 12.Nd5 h6 13.Qc2 Bg4 14.Bg4+=) 11.0–0 Re8 12.Qc2 (12.Qd2 a5 13.Rfd1 Bg4 14.b5+=) 12...a6 'Consolidates b5' (12...a5 13.Rfd1 Qe7 14.b5+=) 13.Rfd1 Rc8 (13...Bg4 14.e4+=) 14.Nf3 (14.Rac1+=) 14...Qe7 15.Ne5 de5 (15...Qe5 Less advisable is 16.Nd5 Qb2 17.Qb2 Nd5 18.Qd2+/–) 16.e4 c6 'Prevents intrusion on b5+d5' (16...c5 17.b5+=) 17.Na4 h5 'White has an active position' (17...Rcd8 18.c5+=) 18.Nb6 'White threatens to win material: Nb6xc8' (18.Nc5 Rc7+=) 18...Rc7 (18...Rcd8 19.h3+=) 19.Bc1 (19.c5 h4+/–) 19...Nh7 (19...c5 20.Rb1+/–) 20.Be3 (20.Rd7 Inferior is 20...Rd7 21.Nd7 Qd7+=) 20...Bf8 21.h3 (21.Rd2 Be6+/–) 21...Bc8 22.f4 'Black has a cramped position' (22.c5 Ng5+/–) 22...Qh4 '+/=' 23.Kh2 '??' 'gives the opponent counterplay' (better is 23.Nc8!? deserves consideration 23...Rcc8 24.f5+=) 23...Bh6 (better is 23...ef4 and Black could have gained the advantage 24.Bg1 Ng5 25.Nc8 Rcc8–+ (worse is 25...Rec8 26.Rf1 Ne6 27.Bf2–/+)) 24.Nc8 '=/+' 24...Rcc8 'White has the pair of bishops' (better is 24...Bf4!? and Black could well hope to play on 25.Bf4 Qf4 26.g3 Qf2 27.Kh1 Rcc8+=) 25.g3 '+/–' 'White threatens to win material: g3xh4' 25...Qf6 26.fe5 Qg7 'Black has a cramped position' 27.Bd4 c5 (27...Ng5 28.h4 Ne6 29.Bc3+=) 28.Bc3 '+/–' 28...Re6 (28...Nf8!?+/–) 29.Rd7 '+–' 29...b6 30.Qd3 Nf8 31.Ra7 Bg5 32.Qf3 Be7 (32...Re7 33.Re7 Be7 34.e6+–) 33.Rd1 Re8 34.Rd5 h4 35.Qe3 (35.gh4 Qh6+–) 35...hg3 36.Kg2 (36.Qg3 Qh6+–) 36...Bh4 37.Bg4 g5 (37...Qh7 38.Rd6+–) 38.Kh1 (better is 38.Rd6+–) 38...Ng6 '?' (better is 38...Qg6+/–) 39.Be6 '+–' 39...Re6 40.Ra8 (40.bc5!? makes it even easier for White 40...Nf8 41.cb6 g4+–) 40...Kh7 41.Qf3 Nf4 42.Bd2 g2 (42...cb4 43.ab4 Rh6 44.Bf4 gf4 45.Qf4 g2 46.Kg1+–) 43.Kg1 Bg3 (43...cb4 44.ab4 b5 45.cb5 ab5 46.Rb5+–) 44.Qg4 (44.Qg3? may look interesting but has some grave disadvantages 44...Ne2 45.Kg2 Ng3 46.Kg3 Qh6–+) 44...Re5 '??' 'simply worsens the situation' (44...Rg6 45.bc5 Nd5 46.cd5 Be5+–) 45.Bf4 gf4N 46.Qg7 Kg7 47.Re5 cb4 48.ab4+– 1–0. Levin,Naum L – Poliak,Evsey, UKR–ch sf Kiev, 1960.

7.Be2 0–0 8.Qc2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 'Black's piece can't move: c8' 11...Qe7 12.0–0 b6 13.Bb2 Bb7 14.Ra1 Ra8 15.Ra8 Ba8 16.Nb5 'White threatens to win material: Nb5xc7' 16...Qd8 17.Qa4 Bc6 18.Qa6 Nb8 'Black threatens to win material: Nb8xa6' 19.Qa1 Ne8 20.c5 'This push gains space' (20.d3 Nf6=) 20...Nd7 21.Na7 Bd5 22.c6 'White threatens to win material: c6xd7' 22...Nf8 23.Qa6 Ne6 24.Qd3 '?' (24.Ne1 h5=) 24...Qa8 '??' 'Black threatens to win material: Qa8xa7. throwing away the advantage' (better is 24...e4 Black has a promising position 25.Qd5 ef3 26.Bf3 Bb2–+) 25.Qd5 '=' 25...Qa7 'White has the pair of bishops' 26.Qb3 Nd8 'Black threatens to win material: Nd8xc6' (26...e4 27.Nd4 Nd4 28.ed4=) 27.Ng5 h6 28.Nf7 (28.Ne4!?+= is worth consideration) 28...Nf7 '=/+' 'Black wins a piece' 29.Bc4 'White threatens to win material: Bc4xf7' 29...Qa8 '??' 'forfeits the advantage' (better is 29...d5 the only rescuing move 30.Bd5 Ned6=) 30.Bf7 '+–' 30...Kh7 31.Qc2 Nf6 (31...Kh8 is no salvation 32.f4 e4 33.Bg6 d5+–) 32.g4 (32.f4 and White can already relax 32...Kh8 33.fe5 de5 34.Be5 Qd8 35.Bg6 Ng8+–) 32...e4 '?' (32...Kh8+–) 33.g5 '!' 'Decoy: g5' 33...hg5 34.Bf6 'Decoy' 34...Bf6 (34...Qf8 the last chance for counterplay 35.Bg7 Qf7+–) 35.Qe4 Qf8N 36.Qg6 Kh8 37.Qf6 Qg7 38.Qd8 Kh7 39.Qc7+– 1–0. Chernov,Igor (2300) – Gerasimova,Olga, Moscow–ch sf Silent, 1998.

7.Be2 0–0 8.d3 e4 (8...Re8 9.0–0=) 9.de4 (9.Ne4 Ne4 10.Bg7 Nf2 11.Kf2 Kg7+=) 9...Ne4 (9...a5 10.Qb3=) 10.Qc2 f5 11.0–0 Ndf6 (11...a5 12.a3=) 12.Rad1 c6 (12...Qe8 13.Nd5 Nd5 14.cd5 Bb2 15.Qb2+=) 13.Bd3 (13.Ne4 Ne4 14.Bg7 Kg7+/–) 13...Qe7 14.Nd2 (14.a4 Nc3 15.Bc3 Be6+=) 14...Ng5 (14...Re8 15.Qa4=) 15.Rfe1 Ng4 16.h3 (16.a3 Ne5=) 16...Ne5= 17.f4 Nd3 18.Qd3 Ne6 19.Nf3 Rd8 20.Rd2 (20.Na4 Bb2 21.Nb2 a5=) 20...a5 21.a3 ab4 22.ab4 h6 (22...d5 23.cd5 Qb4 24.Ne5=) 23.g4 (23.Ne2 Bb2 24.Rb2 Nc7=) 23...Nc7+= 24.g5 d5 (24...Na6 25.Na2=) 25.gh6= Bh6 26.c5 Na6 27.Nd1 Bg7 (27...Kh7 28.Qd4=) 28.Bg7 Kg7 (28...Qg7 29.Qd4+=) 29.Ne5 (29.Qd4 Kh7+=) 29...Qh4 (29...Nb4? 30.Qd4 Qh4 31.Nf3 Qf6 32.Qb4+–) 30.Ree2 Rh8 (better is 30...Kh7=) 31.Rg2 The backward pawn on g6 becomes a target 31...Rh6 (31...Nb4?? 32.Qd4 (32.Rg6?! Kf8 33.Qd4 Qh3+/–) 32...Nc2 33.Rc2+–) 32.Qc3 Qf6 33.Rg5 Be6 34.Rdg2 Bf7 35.h4 (better is 35.Nf2+=) 35...Nc7 (better is 35...Rah8!?=) 36.h5 (36.Ng6 Bg6 37.h5 Qc3 38.Nc3 Ra1 39.Kf2 Ra3 40.Rg6 Rg6 41.Rg6 Kh7+=) 36...Nb5 (36...Ne6 37.Nf7 Qc3 38.Nc3 (worse is 38.Rg6 Kf7 39.Nc3 Rh5+=) 38...Kf7 39.hg6 (worse is 39.Rg6 Rh5 40.Ne2 Rh3–/+) 39...Kf6 40.Ne2=) 37.Qb2 d4 (37...Be8 38.hg6 (38.Ng6?! Qb2 39.Nh4 Kf6 40.Rf5 Ke6 41.Nb2 Rh5 42.Rh5 Bh5+=) 38...Rc8 39.Rh2 Rh2 40.Qh2+– (40.Kh2?! Nc7+–)) 38.ed4+– (38.Ng6 Ra2 39.Qa2 Ba2 40.Rf5 Bd5 41.Rf6 Bg2=; 38.Nf7?! Qf7 39.ed4 Qd5+–) 38...Rah8 (38...Ra3 39.Qd2+– (39.Ng6?! Qd4 40.Qd4 Nd4 41.Ne5 Kf6+=; 39.hg6?! Bg8+–; 39.Nf7 Kf7 40.Rg6 Rg6 41.hg6 Kg7+=)) 39.Ne3 Rh5 40.Nf5 Kg8 41.Ng6 Rg5 (41...Rh1 42.Kf2 R8h5 43.Nfe7 Kg7 44.Rh5 Rh5 45.Ne5 Kh7 46.Qb1 Kh8 47.Nf7 Qf7 48.Rg8 Qg8 49.Ng8 Nd4+–) 42.fg5 Qe6 (42...Qg6 43.Ne7 Kh7 44.Rh2 Qh5 45.Rh5 Bh5 46.Qf2+–) 43.Nfe7 (43.Nfe7 Qe7 44.Ne7 Kf8 45.g6 Ke7 46.gf7+–) 1–0. Long – Warton, Los Angeles, 1980.

5.Nf3 b6

6.a3 c5 7.b5 Be7 8.Be2 0–0 9.0–0 h6 10.d3 Nh7 11.Nbd2 Ndf6 12.e4 Bg4 13.a4 Nh5 14.h3 Bf3 15.Bf3 (15.gf3 Nf4 16.Re1 Bh4–+ (16...Nh3?! 17.Kf1–+)) 15...Nf4 16.Bg4 Nd3 17.Qc2 Nf4 18.g3 Ng6 19.Be2 Bg5 20.Nf3 1–0. Fournier,Frederic – TiborS, ICC, 2005.

6.b5 Bb7 7.d4 ed4 (7...e4 8.Nfd2=) 8.Bd4 Be7 9.Be2 a6 10.a4 (10.0–0 0–0=) 10...d5 (10...0–0 11.0–0=) 11.Nbd2 (11.cd5 Bb4 12.Nbd2 Bd5+=) 11...dc4 (11...0–0 12.0–0=) 12.Nc4 (12.0–0 0–0+=) 12...Bb4= 13.Ncd2 c5 (13...ab5 14.ab5 Ra1 15.Ba1=) 14.bc6 Bc6 15.0–0 0–0 16.Qb3 a5 17.Rfc1 (17.Rfd1 Nc5 18.Qc2 Rc8+=) 17...Bd5 (17...Nc5 18.Qc2=) 18.Qc2 (18.Qb2 Re8+=) 18...Qe7 19.Bc4 (19.Rab1 Rfd8+=) 19...Ba3 (19...Rac8 20.Qf5 Qe6 21.Bd3=) 20.Bf6 (20.Rd1 Bc5+=) 20...Nf6 21.Ra3 (21.Ra3 Qa3 22.Bd5 Nd5 23.Nc4–/+). Hasler,Ulrich – Scholich, corr, 1965.

6.Be2 c6 7.0–0 Qc7 8.Nc3. lskr (1955) – resident evil, internet, 2007.

6.d4 ed4

7.ed4 Bb7 8.Nc3N a6 9.a4. Darkseid – alexson, ChessWorld.net, 2009.

7.ed4 Bb7 8.Be2 Be7 9.0–0 d5 10.c5 a5 11.a3 0–0 12.Nbd2 bc5 13.bc5 c6 14.Re1 Re8 15.Qc2 Bf8 16.Bc3 Qc7 17.Bd3 g6 18.Re8 Re8 19.Qa4 Ra8 20.Nb3 Ne4 21.Ba5 Qf4 22.Qb4 Rb8 23.Qe1 Ndf6 (23...Bg7 24.Bd2 Nd2 25.Qd2 (worse is 25.Nfd2 Bd4 26.Nd4 Qd4–/+) 25...Qd2 26.Nfd2+/– (worse is 26.Nbd2 Nc5 27.Bc2 Ne6–/+)) 24.Bb6 Bg7 25.Nbd2 (better is 25.Ne5!? Re8 26.g3+–) 25...Re8 (better is 25...Nf2 26.g3 Nd3 27.gf4 Ne1 28.Re1 Ra8=) 26.g3?? (better is 26.Be4!? Ne4 27.a4+=) 26...Ng3 (better is 26...Nd2!? 27.Qe8 Ne8 28.gf4 Nf3 29.Kg2 Nd4–+) 27.hg3+= Re1 28.Re1 Qg4 29.Ne5? (29.Re7 Bc8+=) 29...Qh3?? (better is 29...Qd4 30.Ndf3 Qa4–+) 30.Ndf3 h5?? (30...h6 31.Bd8+=) 31.a4 (better is 31.Nf7!? Ne4 32.Nd6 Ng3 33.Re8 Bf8 34.Nh2+/–) 31...Ng4 (31...Bh6=) 32.Ng4 (32.Nc6 Bc6 33.Bf1+=) 32...hg4?? (32...Qg4 33.Re8 Kh7 34.Kg2–+) 33.Ne5 (better is 33.Re8 Bf8 34.Nh4+–) 33...Qh6= 34.a5?? (better is 34.Rd1=) 34...Qd2–+ 35.Re2 Qc1 (better is 35...Qd1 36.Kh2 Be5 37.Re5 Qd3 38.Re8 Kg7–+) 36.Kg2–/+ Qa1 (36...Qc3 37.a6 Ba8 38.a7 Be5 39.Re5+=) 37.Re3 (37.Ng4!? Qd4 38.Re8 Kh7 39.Be2=) 37...Qd4–/+ 38.Nd7 Qa4 39.Re8 Kh7 40.Nf8? (40.Re7+=) 40...Bf8?? (better is 40...Kh6 41.Re7 Qd4–+ (41...Bf8?! 42.Rb7 Qd1 43.Rf7 Bc5 44.Bf1–/+)) 41.Rf8= Kg7 42.Rb8 Qa3?? (better is 42...Qd4 43.Bf1 Qe4 44.Kg1 Qe7=) 43.Bf1+– d4 44.Rb7 d3 (44...Qf3 45.Kg1 Qd5+–) 45.Rd7 Qb4 (45...d2 46.Rd2 Qc3+–) 46.Rd3 (worse is 46.Bd3 Qe1 47.a6 Qd1+–) 46...Qe4 47.Kg1 Qe1 48.a6 Qa1 49.a7 Qa5 50.Ba5 1–0. Levin,Anatoly – Ros,Catalina, Internet Section, 2003.

7.ed4 c5 8.b5+= cd4 (8...a6 9.ba6 Ba6 10.Be2=) 9.Nd4 (9.Bd4 a6+=) 9...Bb7 10.Nf5 Nc5 11.Nc3 Qd7 12.Ne3 (12.Qe2 Qe6 13.Rd1 0–0–0+=) 12...Be7 13.Be2 0–0 14.0–0 Rfd8 (14...a6 15.Ncd5 Nd5 16.Nd5 Bd5 17.Qd5 ab5 18.cb5+=) 15.Bf3 (15.Ncd5 Nd5 16.Nd5 Bd5 17.Qd5 a6+/–) 15...Rab8 (15...Bf3 16.Qf3 Nd3 17.Rfb1+=) 16.Re1 (16.Bb7 Qb7 17.Ncd5 Nd5 18.Nd5 Bf8+/–) 16...Bf3 17.Qf3 (worse is 17.gf3 Re8=) 17...Nd3 18.Re2 Nb2 (18...Ne5 19.Qf4+/–) 19.Rb2 Qb7 (19...Rbc8 20.Re2+/–) 20.Qg3 (better is 20.Ned5!?+–) 20...Ne4 21.Ne4 Qe4 22.Re1 Qg6 (22...Bh4 23.Qh3+/–) 23.Qf3 (23.Qg6 fg6 24.Nd5 Bf6+/–) 23...Re8+/– 24.Rbe2 Bg5 (24...Bf6 25.Nd5 Re2 26.Qe2+/–) 25.Nd5 (25.Nf5 Re2 26.Qe2 h6+/–) 25...Re2 (25...Re5 26.Qg4+/–) 26.Qe2 h6 27.Nc7 (27.a3 Rc8+/–) 27...f5 (better is 27...Rc8!? 28.Na6 Qe6 29.Qe6 fe6 30.Re6 Rc4=) 28.Qd3 Rc8 29.Qd5 (29.Ne6 Bf6+/–) 29...Kh8 (29...Qf7 30.Ne6+/–) 30.Qb7 Rd8 (30...Rf8 31.Nd5 Bd2 32.Qe7+/–) 31.Qa7+– f4 (31...Qf7!? 32.Qb6 Qc4+–) 32.Qb6 f3 33.g3 Bd2 34.Rf1 Qh5 35.h4 (35.Nd5 Rc8 36.Ne7 Re8+=) 35...Qf5 (35...Qg4 36.Nd5 Rc8 37.Ne3–/+ (37.Qd6?? Qh3 38.Ne3 Be3 39.Qh6 gh6 40.fe3 Qg2)) 36.Kh2+/– Rf8? (36...Qd3!? 37.Rd1 Qc2+/–) 37.Qc6 (37.Qd6 Ba5+–) 37...Qg6 (37...Bb4 38.Qd5 Qc2 39.a4+–) 38.b6 (38.c5!? Rd8 39.Rd1 Qc2+–) 38...Bc3 39.b7 Qf5 (39...Bd4 40.Na6 Ba7 41.c5+–) 40.Qb5 (better is 40.Ne8!? Be5 41.b8Q Bg3 42.fg3 Qc2 43.Kh3 Qg2 44.Kg4 Qf1+–) 40...Qd3 (40...Qb5 41.Nb5 (41.cb5?! Rb8+–) 41...Be5 42.Na7+–) 41.Rg1 (better is 41.b8Q Rb8 42.Qb8 Kh7+–) 41...Qe2 42.Qb6 (42.b8Q Qf2 43.Kh1 Rb8 44.Qb8 Kh7+–) 42...Qd2 (42...Kh7 43.Na6+–) 43.b8Q Rb8 44.Qb8 Kh7 45.Qb1 Kh8 46.Rf1 Be5 (46...Qe2 47.Nd5 Bd2 48.Kg1 Qc4 49.Qb8 Kh7 50.Qd6+–) 47.Qg6 (better is 47.Ne6!? Qe2 48.Qb8 Kh7 49.Nf8 Kg8 50.Ng6 Kf7 51.Nh8 Ke7 52.Qa7 Ke8+–) 47...Qa2 48.Qe8 Kh7 49.Ne6 g6 (49...Qe2 50.h5 Bf6+–) 50.Qf7 Kh8 51.Qg6 Qa7 52.Qe8 (better is 52.Qh6!? Qh7 53.Qh7 Kh7 54.Ng5 Kg6 55.Nf3 Bc3+–) 52...Kh7 53.Nf8 (53.h5!? Bg7+–) 53...Kg7 54.Nd7 (54.Nd7 Bc3 55.Qf8 Kh7 56.Qf3 Qd7 57.Qc3+–) 1–0. Kus,Joanna – Gramcow,Dorota, Poland–ch U12 Girls, 2001.

7.ed4 Qe7 8.Be2 Bb7 9.0–0 0–0–0 10.Nbd2 g6 11.Re1 Bg7 12.Bd3 Qf8 13.Qc2 Re8 14.a4 Re1 15.Re1 Qd8 16.a5 Re8 17.ab6 ab6 18.d5 Re1 19.Ne1 Qe7 20.Nef3 Nh5 21.Bg7 Ng7 22.Nf1 Ne5 23.Ne5 Qe5 24.g3 Kd7 25.Ne3 Ke7 26.c5 Bd5 27.cd6 Qd6 28.Qc3 Ne6 29.Ng4 Ng5 30.Be2 f6 31.h4 Ne4 32.Qe1 h5 33.Ne3 c6 34.Kh2 Qe5 35.b5 c5 36.Nd5 Qd5 37.f3 Ng3 38.Kg3 Qe5 0–1. orangutandu – janekli, internet, 2013.

7.Nd4 Bb7 8.Nd2 (8.Nc3 a6=) 8...g6 (8...c5 9.Nc2=) 9.b5 (9.N2f3 c5 10.Nb5 cb4 11.Nd6 Bd6 12.Qd6 Bf3 13.gf3 Qe7=) 9...Bg7 10.N2f3 0–0 11.Be2 Nc5 12.0–0 Qd7 (12...a6 13.Nb3=) 13.Nd2 (13.Nb3 Nce4=) 13...Ne6 (13...a6 14.Bf3=) 14.Bf3+= Bf3 15.N4f3 (15.Qf3 Nd4 16.Bd4 Qe6+=) 15...a6= 16.a4 Rfe8 17.Qc2 Nc5 18.Rfd1 Nfe4 (18...Qg4 19.Bd4=) 19.Ne4 Ne4 (19...Re4 20.Bg7 Kg7 21.a5 ab5 22.cb5 Qb5 23.Nd4=) 20.Bg7 Kg7 21.Qb2 (21.a5 ab5 22.ab6 Ra1 23.Ra1 cb6 24.Qb2 Nf6 25.cb5 Rc8+/–) 21...Kg8 22.Qd4 (22.Nd4 Qe7+=) 22...Qe7 ½–½. Wuerfel,Raoul – Schaefer,Oliver, SEM Tourn–B, 2004.

6.d4 e4

7.Nfd2 g6 8.Nc3 Qe7 9.Qc2 Bb7 10.d5 Bg7 11.Nce4 0–0 12.Nf6 Nf6 13.Be2 Rfe8 14.0–0 Bc8 15.Bd3 a5 16.a3 Ng4 17.Bg7 Kg7 18.Qc3 Kg8 19.Nf3 Nf6 20.Rfe1 Ne4 21.Qc2 Bf5 22.Nd4 Qf6? (better is 22...Bd7+–) 23.f3 Ng5 24.Bf5 (24.Nf5?! gf5 25.Rab1 ab4 26.ab4 Qg7+–) 24...gf5 25.Qf5 Qg7 (25...Qf5 26.Nf5 f6 27.e4+–) 26.h4 Re5 27.Qd7 (better is 27.Qd3 c5 28.dc6 Ne6+–) 27...ab4 (27...Re3 28.Re3 Qd4+–) 28.ab4 Nf3 (28...Ra1 29.Ra1 h5 30.hg5 Qg5 31.f4+–) 29.Nf3 (29.Nf3 Ree8 30.Ra8 Ra8 31.Qc7+–) 1–0. Jaramillo,Carlos Orlando (1930) – Rosero,Hugo Alberto (1660), Ibague COL, Men Ch, 2013.

7.Nfd2 d5

8.a3 c6 9.cd5 cd5 10.Nc3 Bb7 11.Be2 g6 (11...a5 12.ba5 Ra5 13.0–0=) 12.0–0 Bg7 13.Nb5 0–0 14.Nd6 Qb8 15.Nb7 Qb7 16.Rc1 h6 17.Bb5 Rfc8 18.Qa4 Nb8 19.Rc8 Qc8 20.Rc1 Qb7 21.Qc2 a6 (21...Kh7 22.Qc8 Qc8 23.Rc8+–) 22.Ba4 (22.Qc8!? Qc8 23.Rc8 Bf8+–) 22...b5 (22...Kh7 23.Bb3+=) 23.Bb3 (23.Qc8!? Qc8 24.Rc8 Bf8 25.Bb3+/–) 23...Nbd7+= 24.f3 (24.Qc6 Qc6 25.Rc6 a5=) 24...Nb6 (24...ef3 25.gf3 Nb6 26.Qc7 Qc7 27.Rc7=) 25.fe4 (25.Qc6 Qc6 26.Rc6 Nc4 27.Bc4 dc4 28.Ne4 Ne4 29.fe4 f6+/–) 25...Rc8 26.Qb1 Rc1 27.Qc1 Ne4 28.Ne4 de4 29.Qc5 Bf8 30.Qe5 Qe7 31.Qg3 Qd6 (better is 31...Nc4!?=) 32.Qg4+/– Qc6 33.d5! Nd5?? (33...Qc8 34.Qe4 Bg7 35.Bg7 Qc1 36.Kf2 Kg7 37.Qd4 f6+–) 34.Qe4+– Nb4 (34...Qe6 35.Bd5 Qe4 36.Be4 f5+–) 35.Qd4 1–0. Woelfelschneider,Peter – Schneider,B, corr private, 1987.

8.b5 a6 =.

8.b5 dc4 9.Bc4 Bd6 +=.

8.c5 c6+= 9.Be2 Be7 10.0–0 0–0 11.f3 a5 (11...Rb8 12.Qc2 ef3 13.Rf3=) 12.fe4 (12.b5 cb5 13.c6 ef3 14.Nf3 Nb8 15.Bb5 Qc7=) 12...de4 (worse is 12...bc5 13.e5 ab4 14.ef6 Bf6 15.a3+/–; 12...ab4?! 13.ed5 Nd5 14.Qb3 bc5 15.e4–/+) 13.b5 (13.Qa4 A) worse is 13...bc5 A1) 14.Qc6 Rb8 15.dc5 Rb4 (15...ab4?! 16.Ne4 Bb7 17.Nf6 Nf6 18.Qb6+=) 16.Bf6 Bf6–+; A2) worse is 14.dc5 Rb8–/+; A3) 14.bc5 Ba6 15.Ba6 Ra6 16.Rf4+=; B) 13...Rb8 14.Qc2 ab4 15.cb6 Re8+=) 13...bc5 (13...Nd5 14.bc6 Ne3 15.cd7 Nd1 16.dc8Q Rc8 17.Rd1 bc5 18.Ne4 cd4–/+) 14.bc6= Nb6 15.Nc3 (15.dc5 Nbd5 16.Bd4 Qc7=) 15...Nfd5 16.c7 (better is 16.Nd5!? Nd5 17.Nc4= (worse is 17.Ne4 Ne3 18.Qa4 Nf1 19.Rf1 Be6–/+)) 16...Qc7–/+ 17.Nd5 Nd5 18.Bc4 (18.Nc4 Be6–/+) 18...Ne3 19.Rf7 Nc4 (19...Rf7 20.Bf7) 20.Rf8 Bf8 21.Nc4 cd4 22.Rc1 (22.Nd2 Bd6–+) 22...d3 23.Kh1 (23.Bd4 Be6 24.Nb6–+) 23...Be6 24.Qa4 (24.Ne3 Qf4 25.Nc4 Qf2–+) 24...Bc4 (24...Rb8 25.Be5 Qc4 26.Qc4 (26.Rc4?? Rb1 27.Rc1 Rc1 28.Qd1 Rd1) 26...Bc4 27.Bb8–+) 25.Rc4 Qb6 (25...Qb7 26.Bc1 Qf7 27.Kg1–+) 26.Bd4 Qb1 27.Bg1 e3 (27...Rd8 28.Qa5 d2 29.Qd8–+) 28.Qc6 Rb8 (28...d2 29.Rd4 Rb8 30.Qd5 Kh8 31.Qf3 Qg1 32.Kg1 Rb1 33.Qf1–+) 29.Rc1? (better is 29.Qe6 Kh8 30.Qe3–/+) 29...Qa2–+ 30.Be3 Rb1 (30...d2 31.Rg1 Rb1 32.Qf3–+) 31.Rb1 Qb1 32.Bc1 Qb3 33.h3 (33.Qf3 a4–+) 33...d2! 34.Bd2 Qd1 35.Kh2 Qd2 36.Qe6 Kh8 37.Qe8 Qb4 (37...Qb4 38.Kg1 Qf4–+) 0–1. Labahn,Wolfgang – Bonjean,M, Hertogenbosch, 1990.

8.cd5 Nd5 9.Ne4 Bb4 10.Nbd2 +=. W Labahn.

6.Be2 Bb7

7.0–0 c5 8.b5 Be7 9.d3 (9.d4 Qc7=) 9...Nf8 (9...0–0 10.Qb3=) 10.Nc3 (10.d4 cd4 11.ed4 e4+=) 10...Ng6 11.Qc2 (11.Nd2 Nh4 12.e4 Ng6=) 11...0–0= 12.Nd2 (12.Rad1 a6=) 12...Qc7 (12...d5 13.cd5 Nd5 14.Nd5 Bd5 15.Bf3=) 13.Bf3+= Nh4 (13...Bf3 14.Nf3 (worse is 14.gf3 Qd7+=) 14...Rfd8 15.e4+=) 14.Bb7 Qb7 15.e4 (15.Nde4 Ne4 16.de4 f5+/–) 15...Qd7 16.h3 Ng6 17.Ne2 Nh5 18.Ng3 (18.a4 Nhf4 19.Nf4 Nf4=) 18...Nhf4 (18...Ng3 19.fg3 a6 20.ba6=) 19.Nf3 Nh4 (19...a6 20.a4=) 20.Nh4 Bh4 21.Bc1 (21.Nf5 Bg5=) 21...Bf6 (21...Bg3 22.fg3 Ne6 23.Be3=) 22.Be3 (22.Rb1 Bg5=) 22...a6= 23.a4 (23.Rfb1 Bg5=) 23...Ra7 24.a5 ab5 25.ab6 Rb7 26.cb5 (26.Ra7 b4+=) 26...Rb6 27.Rab1 (27.Nf5 Rb5 28.Ra6 Qb7 29.Rd6 Ne6=) 27...Rb5 28.Rb5 Qb5 29.Bf4 ef4 30.Nf5 Be5 31.Rb1 Qa6 (31...Qd7 32.Qc4+=) 32.Qb3 (32.Ne7 Kh8+=) 32...g6 33.Ne7 Kg7 34.Qd5 (34.Nd5 Qa5+=) 34...Bd4 (34...Ra8 35.Nc6 Qa2 36.Qa2 Ra2 37.Kf1–/+) 35.Qb3 Re8 (35...Ra8 36.Rf1–/+) 36.Nd5+= f3 (better is 36...Qa5!? 37.Qc2 Ra8+=) 37.Nc7+/– (worse is 37.gf3 Ra8+=) 37...Qc8 38.Ne8 Qe8 39.Qd5 (39.gf3?! Qe5 40.Kf1 Qh2+=) 39...Qd7? (better is 39...Qe7!? 40.Rb7 Qf6+=) 40.Rb7+– Qe8 41.Qd6 fg2 42.Kg2 (42.Rb8 Be5 43.Qg6 hg6 44.Re8 f6+–) 42...Qe5 43.Qe5 Be5 44.Rb5 Bd4 45.f4 Kh6 (45...Kf6 46.Kf3+–) 46.Rb7 Kg7 (46...f6 47.Kf3 Bc3 48.Re7+–) 47.Kf3 h5 (47...Kf6 48.e5 Ke6 49.Ke4+–) 48.e5 Kf8 49.Ke4 f6 (49...Bf2 50.Rc7+–) 50.Kd5 (50.e6 g5+–) 50...g5 (50...fe5 51.fe5 Be3 52.e6+–) 51.ef6 gf4 (51...Bf6 52.Ke6 Bd4+–) 52.Ke6 (52.Ke6 Bf6 53.Kf6+–) 1–0. Kreuzer – Buechler, 1985.

7.0–0 e4 8.Ng5=.

7.0–0 Qe7 8.Nc3 a6 9.d4+= e4 10.Nd2 0–0–0 11.a4 g6 12.Nd5?? Nd5= 13.cd5 Bd5?? 14.Ba6+– Bb7 15.Qe2 d5 16.Bb7 Kb7 17.a5 Qe6 18.b5 c5? 19.dc5 Nc5 20.Bh8 Nd3 21.ab6 Kb6 22.Ra6 (22.Ra6 Kb5 23.Re6 fe6 24.f3+–) 1–0. mtr – 000, Caissa's Web, 2001.

7.0–0 g6 8.d3 Bg7 9.Qb3 0–0 10.Nbd2 a5 11.a3 Kh8 (11...Qe7 12.Qc2=) 12.Bc3 ab4 13.ab4 Ng8 (13...Qe7 14.Qc2+=) 14.Qb2 f5 15.Ne1 (15.Ra8 Ba8 16.Ra1 Ngf6+=) 15...Qe7 16.Bf3 Ra1 17.Qa1 Ra8 18.Qb2 Bf3 19.Ndf3 Bf6 20.Nc2 e4 21.de4 fe4 22.Nfd4 Qe5 (22...Ne5 23.Qb3=) 23.Ne2 (better is 23.Nb5!? Qg5 24.Nc7+/–) 23...Qe7 24.Ncd4 (24.Nf4 Bc3 25.Qc3 Qe5=) 24...Ne5+= 25.Qb3 Qf7 26.Nb5 (26.Qc2 c5 27.Qe4 cd4 28.Qa8 dc3 29.Nc3 Qc4=) 26...Qe7 (better is 26...Nc4!? 27.Bf6 Nf6–/+) 27.Nf4 c6 28.Nd4 Qe8 (28...Qf7 29.c5 bc5 30.bc5 dc5 31.Nde6+=) 29.Rd1 (29.b5 g5 30.Nfe6 Ra7 31.bc6 Re7+–) 29...g5 (29...Qf7 30.Nfe6+=) 30.Nfe6 Qe7 31.f4?? (better is 31.Qc2 c5 32.Qe4=) 31...ef3!–/+ 32.gf3 (32.Nf3 Qe6 Deflection; 32.gf3 c5 Combination) 32...Nf3! 33.Nf3 Qe6 34.Kf2 (better is 34.Rd3–/+) 34...Rd8?? (better is 34...b5–+) 35.Ng5= Qf5 36.Nf3 Bc3 37.Qc3 Qf6 (37...Nf6 38.Ke2=) 38.Qf6+= Nf6 39.Ne5 Kg7 (better is 39...Rf8!? 40.Nc6 Nd5 41.Ke1 Ne3 42.Rd6 Nc4+=) 40.Nc6+– Rd7 41.Ke2 Kf8 42.Nd4 Ke7 43.Rg1 Kf7 44.Nf5 Ke6 45.Rf1 d5 46.Nd4 Ke7 47.c5 bc5 48.bc5 Rc7 49.c6 h5 50.h3 Kf7 51.Kd3 Ke7 52.Kc3 Rc8 53.Kb4 Rb8 54.Kc5 Rb2?? (54...Ra8 55.Rg1 Kf7 56.c7+–) 55.Rg1 (better is 55.Rf6 Kf6 56.c7+– (56.Kd5?! Ke7+–)) 55...Kf7 (55...Kd8+–) 56.c7 (56.c7 Nd7 57.Kd5 Nb6 58.Kc6+–) 1–0. Franco Rincon,David (1725) – Prieto Gonzalez,Cesar, 27th Torneo San Viator – Memorial Pepe, 2016.

7.0–0 h6 8.d4 e4 9.Nfd2 d5 10.c5 c6 11.Nc3 b5 12.a4 a6 13.ab5 ab5 14.Ra8 Ba8 15.f3 Be7 16.fe4 de4 17.Nce4 Nd5 18.Qb3 0–0 19.Bb5 cb5 20.Ng3 Bg5 21.Nf3 Be3 22.Kh1 Re8 23.Bc1 Bc1 24.Rc1 Nf4 25.Nf5 Bd5 26.Qd1 Re2 27.Rc2 Rc2 28.Qc2 1–0. bauska18 – mateusz2metry, internet, 2014.

7.d4 ed4 8.Bd4 Be7 (8...c5 9.Bc3=) 9.0–0 (9.a3 a5=) 9...0–0 10.Nbd2 (10.a3 Re8=) 10...c6 (10...c5 11.Bc3=) 11.Qc2 (11.a3 c5 12.Bc3 d5+=) 11...d5 (11...c5 12.bc5 dc5 13.Bc3=) 12.c5+= bc5 13.bc5 Nb8 (13...Rb8 14.Rab1+=) 14.Rab1 Ba6? (better is 14...Bc8+/–) 15.Rb8!+– Rb8 (15...Qb8 16.Ba6) 16.Ba6 Qa5 17.Bd3 g6 (17...Rfe8 18.Nb3 Qa4 19.Bf6 Bf6 20.Bh7 Kf8 21.Bd3+–) 18.Ne5 Qc7 (18...Rfc8 19.Rd1+–) 19.Qc3 (better is 19.Qa4!? Rfc8 20.Ba6 Bc5 21.Bc8 Rc8+–) 19...Nd7 20.Ndf3 Ne5 (20...Nf6 21.Qc2 Nd7 22.e4+–) 21.Be5 (21.Ne5?! f5+–) 21...Qb7 1–0. Eisenhauer,Erik – Baur,Markus, SJRH–ch U18 Worms, 2001.

7.d4 e4 8.Nfd2=.

7.0–0 Be7

8.a3 0–0 9.Nc3 Ne4 10.Ne4 Be4 11.d3 Bb7 12.Rc1 a5 13.b5 Bf6 14.e4 Nc5 15.a4 Ne6 16.g3 Ng5 17.Ng5 Bg5 18.Rc2 f5 19.ef5 Rf5 20.Bg4 Rf8 21.d4 ed4 22.Bd4 Bf6 23.Be6 Kh8 24.Bd5 Rb8 25.Re2 Bc8 26.Be6 Bd4 27.Qd4 Rf6 28.Bc8 Rc8 29.Rfe1 Rf7 30.Qg4 Rb8 31.Re6 Qf8 32.Qe2 Rc8 33.f4 g6 34.Qe4 Qg7 35.Qc6 Qd4 36.Kg2 g5 ½–½. Kislov,Leonid – Smirnov,Vladimir A, Omsk RUS, City Ch, 2012.

8.d3 0–0 9.Nfd2 (9.Nc3 a5 10.b5 Nc5=) 9...h6 (9...d5!?+=) 10.Bf3= Bf3 11.Qf3 Nh7 (11...a5 12.a3=) 12.Qe2 Ng5 13.f4 ef4 14.ef4 Nh7 (14...Bf6 A) 15.fg5? Bb2 16.Na3 Bd4 (16...hg5?! 17.Rab1 Ba3 18.Rb3–+) 17.Kh1 Ba1 18.Ra1 Qg5–+; B) 15.Nb3 Ne6 16.f5=) 15.Nc3+= Ndf6 16.Rae1 Re8 17.Qf3 Bf8 (17...Qd7 18.Nb3+=) 18.Nd5 (18.Re8 Qe8 19.Rc1 c6+/–) 18...Nd5 19.Qd5 Qd7 20.b5 a5 (20...Be7 21.Ne4+/–) 21.a4 (21.Ne4 Be7+/–) 21...Re1 22.Re1 (worse is 22.Qa8 Re2 23.Rf2 Re1 24.Rf1 Re2=) 22...Re8 23.Re8 Qe8 24.Qe4 (24.Ne4 Qe6 25.f5 Qe7+/–) 24...Qd8 25.Nf3 Nf6 26.Qe2 (26.Bf6 Qf6 27.d4 Qe7=) 26...d5= 27.Bf6 Qf6 28.Qe5 Qe5 29.Ne5 dc4 30.dc4 Bd6 31.Nd3 Kf8 32.Kf2 Ke7 33.Kf3 Ke6 34.g4 f5 35.h3 g5 36.Ke3 ½–½. Hungeling,Roland (1705) – Boeckmann,Dirk, Bezirksliga Steinfurt, 2008.

8.d4 0–0 9.d5=.

8.d4 e4 9.Nfd2 c5 (9...d5 10.a3=) 10.b5 d5 11.Nb3 (11.cd5 0–0+=) 11...0–0= 12.Nc3 Rc8 13.dc5 Bc5 (13...Nc5 14.Rc1=) 14.Nd4 (better is 14.Nd5!? Nd5 15.cd5+=) 14...dc4+= 15.Bc4 Ne5 16.Qe2?? (16.Be2=) 16...Nd3 (better is 16...Bd4 17.Rfd1 Rc4 18.ed4 Nd3 (worse is 18...Rd4 19.Rd4 Qd4 20.Ne4 Qe4 21.Qe4 Ne4 22.Be5–+) 19.Ne4 Be4 (19...Ne4?! 20.Qd3 Qd5 21.f3–+) 20.Rd3 Bd3 21.Qd3 Qd5–+) 17.Rfd1?? (17.Bd3 Bd4 18.ed4 ed3 19.Qd3 Nd5+=) 17...Bb4?? (better is 17...Bd4 18.Bd3 Bc3 (18...ed3?! 19.Rd3 Bc3 20.Rd8 Rfd8 21.Bc3 Rc3 22.Rd1–/+; 18...Rc3?! 19.Bb1=) 19.Be4 Qe7 20.Bb7 Qb7 21.Bc3 Rc3–+) 18.Nc6 (18.Ne4 Nb2 19.Qb2 Rc4 20.Nc6 Bc6 21.Rd8 Be4 22.Rad1+=) 18...Bc6= 19.bc6 Rc6 (better is 19...Bc3 20.Bc3 Rc6 21.Bd3 Rc3 22.Be4 Qe7=) 20.Ne4+/– Ne4 21.Rd3 (21.Bd3?! Qh4 22.Be4 Qe4+–) 21...Qc7 (21...Qh4 22.Bd5 Qf2 23.Qf2 Nf2 24.Rb3+/–) 22.Bd5 (22.Qg4!? Nf6 23.Bf6 Rf6 24.Rd7+/–) 22...Nc3 (22...Rc2!? 23.Qg4 Rb2 24.Be4 Re8+=) 23.Qg4+/– (23.Qg4 Rd8 24.Bf7 Kf7 25.Rd8 Qd8 26.Qb4+/–) 1–0. Chirpii,Alexandru (1650) – Micsa,Liviu (1700), Centrocoop Sept op–A, 1998.

8.d4 e4 9.Nfd2 c6 10.Nc3 d5 11.b5 0–0 (11...cb5!? 12.cb5 a6=) 12.bc6+/– Bc6 13.cd5 Nd5 14.Nde4 Nc3 (14...N7f6 15.Nf6 Bf6 16.Nd5 Bd5 17.Bd3+/–) 15.Nc3 Qc7 (15...Nf6 16.Bf3 Qd7 17.e4+/–) 16.d5 Bb7 17.Nb5 Qb8 (17...Qd8!?+/–) 18.d6+– Bf6 (18...Bd8 19.Bd3 a6 20.Qg4+–) 19.Bf6 Nf6 20.Nc7 Rd8 21.Bd3 Rd6 (better is 21...Rd7+–) 22.Bh7! Nh7 (22...Nh7 23.Qd6 Discovered attack; 22...Kh7 23.Qd6 Discovered attack) 23.Qd6 Nf6 24.Rfd1 Kh7 (24...Ne8 25.Ne8 Qe8+–) 25.Na8 (25.f3 Qf8 26.Na8 Qd6 27.Rd6 Ba8+–) 25...Qd6 (25...Qa8 26.f3+–) 26.Rd6 Ba8 27.Rad1 (27.a4 Bb7+–) 27...Be4 (27...Kg6 28.f3+–) 28.R1d4 Bg6 (28...Bc2+–) 29.Rh4 Bh5 30.g4! 1–0. Bonetti,Shane – guest661, ICC, 2002.

8.d4 Bf3 9.Bf3+= e4 10.Be2 0–0 11.Nc3 c5 12.Qc2 (12.bc5 bc5 13.Rb1 Rb8+/–) 12...cb4+= 13.Ne4 Ne4 (13...d5 14.Nf6 Nf6 15.Rfc1+=) 14.Qe4+/– f5 (14...Re8 15.Qf5+/–) 15.Qc2 (15.Qe6 Kh8 16.Bd3+/–) 15...Bf6 (better is 15...Rc8!?+/–) 16.Qf5+– Bd4?? (16...Qe7+–) 17.Qe6 (17.Qd5 Kh8 18.Qd4 Qg5+–) 17...Kh8 18.ed4 (18.Bd4 Ne5+–) 18...Rf6 (18...Re8 19.Qg4+–) 19.Qd5 Qe8 (19...a6 20.Rae1+–) 20.Bg4 Ne5 (20...Rd8+–) 21.de5 (21.de5 de5 22.Bd7+–) 1–0. Bonetti,Shane – BigThought, ICC, 2002.

6.Be2 c5

7.b5 Be7 8.Nc3 Qc7 (8...0–0 9.0–0=) 9.Qc2 Bb7 10.a4 0–0 11.Nh4 (11.0–0 a6=) 11...d5 12.Nf5 d4?? (12...Bd6 13.cd5 Rac8+/–) 13.Ne7+– Kh8 14.Ned5 (14.Ncd5 Nd5 15.Nd5 Bd5 16.cd5 Qd6+–) 14...Nd5 (14...Qb8 15.Nf6 Nf6+–) 15.Nd5 (15.cd5?! dc3 16.Bc3 Bd5=) 15...Qd6 16.e4 (16.0–0 Bd5 17.cd5 Rad8+–) 16...Qg6 (16...Nf6 17.0–0+–) 17.Bf3 (17.0–0 a6+–) 17...Nf6 (17...Bd5 18.cd5 a6 19.0–0+–) 18.Ne7 Qh6 (18...Qg5 19.Nf5+–) 19.Nf5 Qg6 20.d3 (20.a5 ba5 21.Ra5 Nd7+–) 20...Bc8 (20...Nd7 21.Bc1+–) 21.Ne7 Qh6 22.Bd1 (22.a5 Re8 23.Bc1 Qh4+–) 22...g5 (22...a6 23.a5 ab5 24.cb5+–) 23.h4! Qg7 (23...gh4 24.Nf5 Double attack (24.Nf5 Decoy)) 24.hg5 Ng8 (24...Qg5 25.Bf3 (25.Nc8?! Qg2 26.Rf1 Rfc8+–) 25...Nd7 26.Nc8 Rfc8 27.Bc1+–) 25.Nf5 (better is 25.Nc8!? Rac8 26.Bg4 Qg5 27.Bc8 Rc8+–) 25...Bf5 (25...Qg5 26.Bf3+–) 26.ef5 f6 (26...Qg5 27.Bf3 Rae8+–) 27.g6 h6 1–0. Kraemer – Jeutner, Dresden DDR, 1985.

7.b5 g6 8.0–0 Bg7 9.d4 0–0 (9...cd4!? 10.ed4 e4+=) 10.de5+/– de5 11.Ne5 (11.Be5?! Ne5 12.Ne5 Qd1 13.Rd1 Ng4 14.Ng4 Ba1+=) 11...Ne4? (11...Ne5 12.Be5 Bb7 13.Nd2+/–) 12.Nc6 (12.Qd5!? Ne5 13.Qa8 Nf3 14.Bf3 Bb2 15.Be4 Ba1 16.Qa7 Be6+–) 12...Qc7 13.Ne7 Kh8 14.Bg7 (14.Nc8? Bb2 15.Nb6 ab6–+ (15...Ba1 16.Nd7 Rad8 17.Nd2+=; 15...Nb6?! 16.Nd2 Nc3 17.Qe1–+; 15...Qb6?! 16.Bf3 Ba1 17.Be4–+)) 14...Kg7 15.Nd5 Qe5 16.Nd2 Ndf6 17.Ne4 Ne4 18.Qc2 Bf5 (18...Nd6 19.f4 Qe4 20.Bd3+–) 19.Bd3 (19.g4 Bd7 20.f4 Qe8+–) 19...Nf6 20.f4 Qd6 21.Bf5 gf5 22.Qf5 Rg8?? (22...Nd5 23.cd5 a6+–) 23.Qg5 Kf8 (23...Kh8 24.Qf6 (24.Nf6?! Rg5 25.fg5 Qd3=) 24...Qf6 25.Nf6+–) 24.Qf6 (better is 24.Qh6 Ke8 25.Nf6 Ke7 26.Ng8 Rg8 27.Qh7 Rd8+–) 24...Qf6 25.Nf6 Rg6 26.Nh7 Kg8 27.Ng5 Re8 28.e4 (28.Kf2!? Rh6+–) 28...f6 29.Ne6! f5 (29...Re6 30.f5 Double attack (30.f5 Decoy)) 30.ef5 Rf6 31.g4 Kh8 32.h4 Re7 (32...Rh6 33.h5+–) 33.Rae1 Rd7 (33...a6 34.ba6 Ra7 35.Rd1+–) 34.Rd1 Rdf7 35.Rd8 Kh7 36.Rfd1 Rh6 37.R1d7 (37.Ng5 Kg7 38.Nf7 Rf6 39.Ng5 Rf7 40.R1d6 Rf6 41.R6d7 Rf7 42.Rf7 Kh6 43.Rh7) 37...Rd7 38.Rd7 Kg8 39.h5 Rf6 40.Kf2 Kh8 (40...Rh6 41.g5 Rh5 42.g6 Rh2 43.Kg3 Rd2 44.Rd2 a6 45.Rd8) 41.g5 Rf5 (41...Rf8 42.f6 Ra8 43.g6 Kg8 44.Rg7 Kh8 45.Rh7 Kg8 46.f7) 42.g6 Rh5 (42...Rf4 43.Nf4 Kg8 44.Ne6 a6 45.Rd8) 43.Rd8 1–0. Fournier,Frederic (1860) – Eltov, Open vermeulen mai, 2004.

6.Be2 Be7

7.0–0 0–0 8.Qc2 Bb7 9.b5 (9.Nc3 a5 10.a3 h6+=) 9...Re8 10.d4 Bf8 11.d5 (11.Nc3 g6+=) 11...Nc5 12.Nc3 g6 13.e4 Bg7 14.a4 a5 15.Nd2 Bc8 16.Bc1 Bh6 17.Nb3 Bc1 18.Nc1 Qe7 19.h3 h5 20.Nb3 Nb3 21.Qb3 Nh7 22.Nb1 Qg5 23.Ra3 Kg7 24.Qb2 f6 (24...Nf6 25.Re3=) 25.Rg3 Qh6 26.Nd2 h4 27.Re3 g5 (27...Ng5 28.Rd1=) 28.Bg4 (28.c5!? dc5 29.Nc4+=) 28...Bg4+= 29.hg4 Nf8 30.Rh3 Qg6 31.g3 (better is 31.Re1!?+=) 31...hg3–/+ 32.fg3 Nd7 33.Kg2 (33.Qc2!?–/+) 33...Rh8 34.Rfh1 Rh3 35.Rh3 Rh8 36.Rh8 Kh8 37.Qc2 (37.Kf3 Nc5–+) 37...Nc5–+ 38.Kg1 (38.Qd1 Kg7–+) 38...Qh7 39.Kg2 Kg7 40.Kf3? (40.Qb1 Na4 41.Qd1–+) 40...Qh1 41.Kf2 (41.Ke3 Qh2 42.Qd1 Qg3 43.Qf3 Qf4 44.Qf4 gf4 45.Kf3 Na4–+) 41...Qh2 42.Kf3 Na4! 43.Qa4 Qd2 44.Qb3 Kg6 (better is 44...Kh6 45.c5 dc5 46.d6 Qd6 47.Qg8–+) 45.Qb1 (45.c5–+) 45...Qc3 46.Kf2 Qc4 47.Kf3 (47.Qh1 Kg7 48.Qf3–+) 47...a4 48.Qh1 Qb5 (better is 48...Kg7 49.Qa1 Qd3 50.Kg2 a3–+) 49.Qh8 Qd7 (better is 49...Kf7!? 50.Qh7 Kf8 51.Qc7–+) 50.Qg8 Qg7 51.Qe8 Qf7 52.Qa4 Kg7 53.Qc6 Qe7 54.Kg2 Kf7 55.Qa8 Qe8 56.Qb7 Qd7 57.Qb8? (57.Kf3 Qd8–+) 57...Kg7 (better is 57...Qg4 58.Qc7 Kg6–+) 58.Kf2 b5 (better is 58...Qf7–+) 59.Kf3? (better is 59.Qb7–/+) 59...c5 60.dc6 Qc6 61.Qd8 (61.Qa7 Kf8 62.Qb8 Ke7 63.Qa7 Qd7 64.Qb6–+) 61...Qc3 (better is 61...Kf7!? 62.Qa5–+) 62.Kf2? (62.Kg2!? Qc4 63.Qe7 Qf7 64.Qd6–/+) 62...Qc2 (62...Qd4 63.Kf3 Qd3 64.Kf2 Qc2 65.Kg1 Qb1 66.Kh2 Qa2 67.Kh3–+) 63.Kf3 Qb3 64.Kf2 (64.Kg2 Qe6 65.Qc7 Kg6–+) 64...Qe6 (better is 64...Qa2 65.Kf3 Qe6 66.Qc7 Kg6 67.Qb8 Qb3 68.Ke2–+) 65.Qb8? (65.Qc7 Kh6 66.Qb8–+) 65...Qa2 (65...Qg4?! 66.Qd6 Qc8 67.Qb4–+) 66.Kf3 Qb3 67.Kf2 Qc2 68.Ke3 Qc3 69.Kf2 (69.Ke2 Qc4 70.Kd2 Qd4 (70...Qe4?! 71.Qd6 Qb7 72.Qe6–+) 71.Kc1 Qe3 (71...Qe4?! 72.Qd6 Qc4 73.Kb1–+) 72.Kb2 Qe4–+) 69...Qd2 70.Kf3 b4 (better is 70...Qd3 71.Kf2 Qe4 72.Qc7 Kg6–+) 71.Qc7 Kg6 72.Qc4?? (better is 72.Qh7! Kh7=) 72...Qc3–+ 73.Qc3 bc3 74.Ke3 Kf7 (better is 74...d5!? 75.ed5 e4 76.d6–+) 75.Kd3 Ke6 76.Kc3 d5 77.ed5 Kd5 78.Kd3 e4 79.Ke3 Ke5 80.Ke2 Kd4 81.Kd2 e3 (81...e3 82.Ke1 Ke5–+) 0–1. Fischbach,Rainer (1885) – Ebert,Karsten (1900), Leipzig VfB op, 2008.

7.0–0 0–0 8.d4 ed4 9.Nd4 Bb7 10.Bf3 d5 (10...Bf3 11.Nf3 Re8 12.a3=) 11.a3 (11.Nf5 Bb4 12.a3 Bc5=) 11...Ne5= 12.cd5 (12.Nd2 Ne4 13.Be4 de4=) 12...Nf3 13.Nf3 Nd5 (13...Qd5 14.Qd5 Nd5 15.e4+=) 14.Nbd2 Bf6 (14...c5 15.bc5 Bc5 16.Ne4=) 15.Bf6 Qf6 16.Qc2 Rac8 (16...a5 17.b5=) 17.Rac1 Rfe8 18.Qb1 (18.Rfd1 a6=) 18...b5 (18...c5!?+=) 19.Ne4+= Qg6 (19...Qb6 20.Nc5+=) 20.Nc5 Qb1 21.Rb1 Nc3? (21...Rb8+=) 22.Rb2?? (better is 22.Nb7 Nb1 23.Rb1+–) 22...Bf3= 23.gf3 Rcd8 (23...Nd5 24.Rc1=) 24.Rc2 Nd5 25.Rfc1 (25.Na6 Re7+=) 25...f5 (better is 25...Rd6!?=) 26.Na6+/– Nb6 (better is 26...Kf8!?+/–) 27.Nc7+– Re7 28.Nb5 Rd3 (better is 28...f4 29.e4 Kf8+–) 29.Na7?? (better is 29.Rc7 Rdd7 30.Rd7 Rd7 31.Nd4+–) 29...Ra7–/+ 30.Rc3 (30.Rc5 g6–/+ (worse is 30...Raa3 31.Rf5 Rab3 32.Rb5=; worse is 30...Rda3 31.Rf5 g6 32.Rb5=)) 30...Ra3 31.Rc6 (31.Ra3 Ra3 32.b5 Rb3–+) 31...Nd7 (31...Nd5 32.e4 Nf4 33.Rc8 Kf7 34.R8c7 Kg6 35.ef5 Kh6 36.Kh1–+) 32.Rc7 Rab3 33.Rb7 h6 (33...Kf7 34.Kg2–/+) 34.Rcc7 Rb1 35.Kg2 Rbd1 36.f4 Kf8 37.b5 Ke7 38.b6? (38.Rb8 Rd6–/+) 38...Kd8 (38...Rd6 39.f3–+) 39.Rc6 (better is 39.Ra7 Nb6 40.Rg7+=) 39...Rd6–+ 40.Rc2 (40.Rbc7 Rc6 41.Rc6 Ke7–+) 40...Rb6 41.Ra7 (41.Rb6 Nb6 42.Rc6 Nc8–+) 41...Ke7 42.Kf3 g5 43.fg5 hg5 44.Ra5 (44.Kg2 Ke6–+) 44...Ke6 45.Kg2 Rd5 (45...Nf6 46.Ra4–+) 46.Ra8 Nf6 47.Ra3 (47.Rh8 Rb4–+) 47...Ne4 48.Raa2 g4 (48...Rbd6 49.f3 Nf6 50.Re2–+) 49.f3 (49.h3 gh3 50.Kh3 Rbd6–+) 49...gf3 50.Kf3 Rd1 (50...Rb1 51.h4–+) 51.Ra3 (51.h4 Rh1 52.Rh2 Rf1 53.Ke2 Rbb1–+) 51...Rd2 52.Raa2 Rc2 53.Rc2 Rd6 (53...Rb1 54.Ra2–+) 54.Ke2 (54.h4 Rd1 55.Rh2 Rf1 56.Ke2 Ng3 57.Kd3 Rf3–+) 54...Ke5 55.Rb2 (55.Kf3 Rh6–+) 55...Rh6 (55...Nc3 56.Kf3 Rh6 57.Kg3–+) 56.Kd3 (56.Rb5 Ke6 57.Kf3–+) 56...Rd6 57.Ke2 Nc3 58.Kf3 Rd1 (58...Rh6 59.Kg3–+) 59.Rc2 (59.Rb8 Ne4–+) 59...Nd5 (59...Rd3 60.Kf2–+) 60.Re2 (60.Rc8 Rf1 61.Ke2–+) 60...Nc3 61.Rc2 Rd3 62.Kf2 Ke4 63.h4 Re3 64.h5 Rh3 (better is 64...Kf4–+) 65.Kg2 Re3 66.Kf2 Nd1 67.Kg2 Kd3 (better is 67...Kf4!? 68.Rc4 Kg5 69.Rd4–+) 68.Rc7 f4 69.h6 (69.Kf1 Rf3 70.Kg1 Rg3 71.Kf1 Ne3 72.Kf2 Ng4 73.Kf1 f3 74.Rd7 Ke4 75.Re7 Kd4 76.Rd7 Ke5–+) 69...Re2 (better is 69...f3 70.Kf1 f2 71.Rd7 Kc2 72.Rd1 Kd1 73.Kf2–+) 70.Kh3 (70.Kh1 Nf2 71.Kg2 Ke3 72.Re7 Ne4 73.Kh3 Re1–+) 70...Nf2 (70...f3!? 71.Rd7 Kc2 72.Rf7–+) 71.Kh4 Re8 72.h7 Ke3 (better is 72...Rh8–+) 73.Re7 Re7 74.h8Q Re4 (74...f3!?–+) 75.Qh6–/+ Nd3 76.Qg5 Ne1 (76...Ke2 77.Qd5 Re5 78.Qa2 Ke3 79.Qa7 Rc5 80.Qe7 Kd2 81.Kg4+=) 77.Qc5 (77.Kg4!?=) 77...Ke2+= 78.Qd5 Ke3 79.Qc5 Rd4 (79...Kf3!?+=) 80.Qe5= Re4 81.Qc5 Rd4 ½–½. Koerner,Helmut (1870) – Woelfert,Juergen (1830), Lichtenberger Sommer, 2016.

7.d4 ed4 8.Nd4+= Ne5 9.Nd2 0–0 10.0–0 c5 11.N4f3 Nc6 (11...Qc7!?=) 12.b5+/– Na5 13.e4 (13.Qc2 d5+/–) 13...Be6 14.Qc2 Qc7 (14...a6 15.Ng5+=) 15.Rfd1 Rad8 (15...a6 16.Bd3+=) 16.Nf1 Rfe8 17.Ne3 h6 (17...Nd7 18.Rab1+/–) 18.Bc3 (18.Rac1 Rc8+/–) 18...Nb7 (18...Ng4 19.Ng4 Bg4 20.Qd3+/–) 19.Nd2 Nd7 20.Nb1 (20.f4 Nf6+/–) 20...Bf6 21.Bf6 Nf6 22.Nc3 Na5 (22...Qe7 23.Bf3+=) 23.Ncd5+/– Bd5 24.Nd5 Nd5 25.Rd5 (worse is 25.ed5 Re5=) 25...f6 (25...a6 26.Rad1+=) 26.Rad1 Nb7 (26...Re5 27.Bg4+/–) 27.Qd3 (27.Bh5 Re5+/–) 27...Re5 28.f4 (28.Bh5 Ra8+/–) 28...Re7 (28...Rd5 29.Qd5 Qf7 30.Qf7 Kf7 31.f5+/–) 29.Bh5 Red7 (29...Ra8 30.Bg6+/–) 30.Bg6 (better is 30.e5!? fe5 31.fe5 Rf8+–) 30...Re7+/– 31.Bf5 Ree8 32.Qg3 g5 (32...Kf8 33.a3+–) 33.fg5 fg5 34.Qh3 (34.h4 g4+–) 34...Qg7 35.Be6 Kh8 36.R5d3 Rf8 37.Bd5 Rf6? (better is 37...Na5+/–) 38.Bb7 (38.e5 Rff8 39.Bb7 Qb7 40.Rd6 Rd6 41.Rd6 Qg7 42.Rh6 Kg8+–) 38...Qb7 39.e5! Rg6 (39...de5 40.Rd5 Double attack (40.Rd8 Pinning; 40.Rd8 Deflection; 40.Rd5 Decoy)) 40.Rd6 (40.ed6?! Qf7 41.Qg3 Rd7+–) 40...Rdd6 41.Rd6 (41.ed6 Qb8 42.Qf5+–) 41...Rd6?? (better is 41...Qe4 42.Rd8 Kh7 43.Qd7 Rg7+–) 42.ed6 Qe4 43.Qh6 Kg8 44.Qg5 (44.Qg5 Kf8 45.Qe7 Qe7 46.de7 Ke8 47.Kf2 Ke7 48.h4+–) 1–0. Kreuzer – Stolle, 1980.

7.d4 e4 8.Nfd2 d5 9.Qa4=.

5.Nf3 c5

6.a3 cb4 7.ab4 b6 8.Be2 Bb7 9.d3 Qc7 10.Nbd2 d5 11.Qb3 e4 12.de4 de4 13.Nd4 a6 14.0–0 Bd6 15.h3 0–0 16.Rfc1 a5 17.Nb5 Qb8 18.ba5 ba5 19.Bd4 (19.Nd6 Qd6 20.Ba3 (20.Qb7?! Qd2 21.Bf6 Nf6=) 20...Qd2 21.Rc2+/–) 19...Bb4= 20.Bc3 Nc5 21.Qb2 Bc3 22.Qc3 Attacks the isolani on a5 22...a4 23.Rcb1 Rd8 24.Nd4 Qe5 25.Rb5 Bc6 26.Ra5 Rab8?? (better is 26...Ra5 27.Qa5 Ra8+=) 27.Qa3+– Rd4 28.Rc5 Rd2? (28...Qc5 29.Qc5 Rd2 30.Qc6 Re2+–) 29.Re5 Re2 30.Rb5! Bb5 (30...Rb5 31.cb5 Passed pawn; 30...Bb5 31.Qb4 Decoy) 31.cb5 Rd2 (better is 31...Rb5!? 32.Qa4 Rb8+–) 32.Qa4 h5 33.Qb4 Rdd8 34.Ra7 Re8 35.b6 Nd5 36.Qc5 (36.Qc4!? Red8 37.b7 Nf6+–) 36...Nb6 37.Qc7 Rf8 38.Rb7 (38.Qc6 Rfe8+–) 38...Rb7 (38...Nd5 39.Qb8 Rb8 40.Rb8 Kh7 41.Kf1+–) 39.Qb7 Nc4 40.Qe4 Nd6 (40...Nb6 41.Kh2+–) 41.Qe5 Rd8 (41...Ne8 42.Qh5 Nf6+–) 42.Qe7 (42.Qe7 Nb7 43.Qb7+–) 1–0. Fournier,Frederic (1820) – Bernard,Marc Olivier, Open/Paris FRA, 2002.

6.b5 e4 7.Ng5 h6 8.Nh3 =+.

6.bc5 Nc5 7.d4= ed4 8.ed4 Ncd7 9.Nc3 a6 10.Bd3 Be7 11.0–0 0–0 12.Re1 Re8 13.h3 Qb6 (13...b6 14.Rb1+=) 14.Bc1 (14.Qc2 Qd8+/–) 14...Qc7+= 15.Qb3 Nb6 (better is 15...b6!?+=) 16.Bf4 Be6 17.d5 Bc8 18.c5! Qc5? (18...Qc5 19.Na4 Double attack (19.Na4 Decoy); 18...dc5 19.Bc7 Pinning (19.Bc7 Deflection)) 19.Be3 black resigned (19.Be3 Qc7 20.Bb6+– (worse is 20.Qb6 Qc3 21.Qb1 Qa5+=)) 1–0. pcmvr – dennism (2315), net–chess.com, 2012.

6.bc5 e4!? 7.Nh4 Nc5+=.

6.b5 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 Be7 10.Be2 0–0 (10...e4 11.Ng1+=) 11.d3= Ne8 (11...Qc7 12.0–0=) 12.0–0 f5 13.Nbd2 Bf6 14.Qc2 Nb6 15.e4 (15.Bc3 Qe7+=) 15...f4 (15...g5 16.Nb3=) 16.Bb2+= Nc7 17.Qd1 (17.Bc3 Ne6+=) 17...Ne6 18.Nb3 (18.Qb3 Qe7+=) 18...Qe8 (18...Na4 19.Ba1=) 19.Kh1 g5 (19...Na4 20.Ba1=) 20.Ng1 Ng7 21.Bg4 h5 (21...Bg4 22.Qg4 Na4 23.Rb1=) 22.Bc8+= Qc8 23.Na5 (23.Qc2 Ne6+=) 23...g4 24.Re1 Nd7 (24...Bh4 25.Qe2+=) 25.h3 (25.Nb3 Ne6+=) 25...Bd8 (25...Nb6 26.Nb3=) 26.Nb3+= Nf6 27.Ba1 Kf7 28.g3 (28.Re2 Ke8=) 28...f3 (28...fg3 29.fg3 gh3 30.Rf1–/+) 29.Kh2 (29.h4!?=) 29...h4+= 30.Nf3? (better is 30.gh4!? Rh8 31.Bc3+=) 30...gf3 31.Qf3 hg3 32.fg3 Kg8 (32...Ke8 33.Rh1–+) 33.Rf1 Be7 34.Nd2 (34.Qe2 Kf7–/+) 34...Ne6 (34...Kf7 35.Kg2–+) 35.Qf5 Kg7 (35...Kf7 36.Nf3–/+) 36.Bc3 (36.Nf3 Nh7 37.Qg4 Neg5 38.Qc8 Nf3 39.Rf3 Rc8+=) 36...Rh8–/+ (36...Rh8 37.g4 Rf8–+) 0–1. GuestRZLK – martinPi, freechess.org, 2017.

7.a4 b6 8.Nc3 Bb7 9.Be2 Be7 10.d3 Qc7 11.Qc2 0–0 12.0–0 a5 (12...Ra7 13.Rab1=) 13.e4+= Rfc8 14.Bc1 Nf8 15.h3 Ne6 16.Be3 Nd4 17.Bd4 (17.Qb1 Rab8=) 17...ed4 (better is 17...cd4!? 18.Na2 d5 19.ed5 Nd5–/+) 18.Nd1 (18.Nd5 Nd5 19.cd5 Re8=) 18...Rf8 19.Nh2 Nd7 20.f4 (20.Nb2 f5+=) 20...f5+= 21.ef5 Rf5 22.Bg4 Rf7 (better is 22...Rff8+=) 23.Be6+/– Raf8 24.Bf7 (24.Nf3 Kh8 25.Bf7 Rf7+/–) 24...Rf7 25.g3 (25.Nb2 Qb8+/–) 25...Nf6 (25...Ba8 26.Nf3+/–) 26.Qe2 (26.Nf3 h6+/–) 26...d5+= 27.Nf2 dc4 28.dc4 g5 (28...Ba8 29.Nf3+/–) 29.Nd3 (29.Nhg4!? Ng4 30.Ng4+/– (30.Qg4?! Bc8 31.Qh5 gf4+=)) 29...Ne4+= 30.Qg4 (30.Qe1 gf4 31.Ng4 Ng3 32.Nh6 Kg7 33.Rf4 Rf4 34.Qg3 Kh6 35.Nf4 Bc8+=) 30...Rg7 (30...Bc8 31.Qf3 Nd2 32.Qd5 Nf1 33.Ne5=) 31.Qe6 Kh8 32.g4 gf4 33.Nf3 (33.Rf4 Ng5 34.Qh6 Be4 35.Re4 Qg3 (35...Ne4?! 36.Nf1+=) 36.Kh1 Ne4–+) 33...Ng3 34.Rf2 Be4 35.Nde5 Bd6 ½–½. Hasse,Peter – Jopp,Michael (1705), Germany, 2005.

7.a4 e4 8.Ng5 h6 9.Nh3+=.

7.ba6 ba6 8.Nc3 Bb7=.

6.b5 Nb6

7.a4 a6 8.a5 Nbd7 9.b6 e4 10.Ng5 1–0. GuestSKYR – GuestGKHH, freechess.org, 2017.

7.Nc3 Be6 8.d3 Qc7 9.Ng5 Bd7 10.Be2 Be7 11.0–0 0–0 12.a4 a5 (12...h6 13.Nf3=) 13.Bf3 h6 (13...Bf5 14.Qe2=) 14.Nge4+= Be6 (14...Ne8 15.Qe2+=) 15.Re1 (15.Nf6 Bf6 16.Be4 Qd7+=) 15...Rfd8 (15...Ne4 16.Be4 f5 17.Bf3=) 16.Nf6 Bf6 17.e4 (17.Qb3 Be7+=) 17...Bg5= 18.Bc1 (18.Bg4 Rf8=) 18...Bc1 ½–½. Borrmann,Fritz – Tzannetakis,Stefanos, CiF, 1995.

5.Nf3 c6

6.a4 Qc7 7.Be2 (7.Nc3 Be7=) 7...d5 8.0–0 (8.Bc3!?=) 8...Bb4 (8...e4 9.Nd4 Bb4 10.d3–/+) 9.Qb3 (9.d4 e4 10.Ne5 Bd6–/+) 9...a5 (9...Bd6 10.d4–/+) 10.cd5 cd5 (10...e4 11.dc6 Nc5 12.Qc2 ef3 13.Bf3–/+) 11.Rc1 Qd6 12.Nc3 (12.Na3 Nc5 13.Qc2 e4+=) 12...0–0 (12...Nc5 13.Bb5 Bd7 14.Qd1+=) 13.Nb5+= Qb8 (better is 13...Qe7!?+=) 14.Nc7+= Nc5 (14...Ra7 15.Nd5 Bd6 16.d4 Nd5 17.Qd5=) 15.Rc5+/– Bc5 16.Na8 Qa8 17.Be5 Be6 (17...Be7 18.Rc1+/–) 18.Bf6 gf6 19.d4 Bb4 20.Bb5 (20.Rb1 Rc8+/–) 20...Rc8 21.Qd1 Rc3 (21...Bg4 22.Rb1+/–) 22.Rc1 Qc8 23.Rc3 Qc3 24.h3 (24.Qb1 Bd6+/–) 24...Kf8 (24...Bf5 25.Kh1+/–) 25.Qd3 (25.Bd3 Kg8+/–) 25...Qd3 26.Bd3 Bd7 27.Bc2 Kg7 28.Kf1 (28.Bb3!?+/–) 28...b5= 29.Bb3 Bc6 30.Ne1?? (better is 30.ab5 Bb5 31.Kg1=) 30...ba4–+ 31.Bd1 (31.Ba2 Bb5 32.Kg1 Be1 33.Bd5–+) 31...Bb5 32.Be2 (32.Kg1 Be1 33.Bc2 a3–+) 32...Be2 33.Ke2 Be1 (33...Be1 34.Kd3 Bf2–+) 0–1. Ruhle,Ernst Albrecht – Waldhart,Helmuth, Seefeld op, 2003.

6.a4 e4 7.Nd4+=.

6.Nc3 Be7 7.d4 Qc7 (7...e4 8.Nd2 d5 9.Qb3=) 8.Be2 (8.Bd3 ed4 9.Nd4 Ne5=) 8...0–0 9.0–0 Re8 10.Qb3 Nf8 11.de5 (11.Qc2 Ne6=) 11...de5 12.a3 (12.Rfd1 e4 13.Nd2 Bd6=) 12...Ng6 (12...e4 13.Nd4=) 13.Rfd1 Bg4 14.Nd2 (14.h3 Bf3 15.Bf3 a5+=) 14...Rad8 (14...Be2 15.Ne2 a5 16.e4=) 15.Bg4 Ng4 16.h3 (16.Nde4 f5 17.h3 Nh6=) 16...Nf6 17.Nde4 Ne4 18.Ne4 Rd1 19.Rd1 Rd8 20.c5 Rd7 (20...b6 21.Rd8 Qd8 22.Qc2=) 21.Rd7+= Qd7 22.Qc3 (22.Nd6 Bd6 23.Qd3 f6=) 22...Qd1 23.Kh2 Qf1 Do you see the mate threat? 24.Qd2 Nh4 (24...b6 25.Qc2 bc5 26.Nc5=) 25.f3+= f5 (25...f6 26.Qc2+=) 26.Ng3 (26.Nd6 Qf3 27.Be5+– (worse is 27.gf3 Nf3 28.Kg3 Nd2+=; 27.Nb7?! f4 28.ef4 ef4+=)) 26...Qf3+= 27.Be5 White fights for the Initiative (worse is 27.gf3 Nf3 28.Kg2 Nd2 29.Nf5 Bf8 30.Be5 Nc4+=) 27...Qd5 Threatening mate... how? 28.Qd5 cd5 29.Nh5 g5 30.Nf6 Bf6 31.Bf6 h6 32.b5 Kf7 33.Be5 Ng6 34.Bb8 Ke7 (34...a5 35.a4+=) 35.Ba7 Kd7 36.Bb8 Nf8 (36...f4 37.ef4 gf4 38.g3+/–) 37.Kg3 (37.g4 fg4 38.hg4 Ne6+–) 37...Ne6 38.Ba7 f4 39.ef4 Nf4 40.Kf3 Kc7 (40...Ne6!? 41.a4 Kc8+/–) 41.Bb6+– Kc8 42.Ba5 (42.a4 Ne6+/–) 42...h5 (42...Ne6 43.Bb4+/–) 43.Bc3 (43.h4 Ne6 44.hg5 Ng5 45.Ke3 Ne6+–) 43...Ne6 44.Bf6 Kd7 (44...Kc7 45.Be5 Kd7 46.g4 hg4 47.Kg4 Nc5 48.Bf6+/–) 45.Ke3 (45.g4 hg4 46.Kg4 d4+–) 45...Nc5+= 46.Bg5 Ne4 47.Bf4 Nc3 48.b6 Ke6 49.Kd3 Na4 50.Bc7 Nc5 51.Ke3 Nd7 (better is 51...Na4!?+/–) 52.Kd4+– Nf6 53.a4 Ne4 (53...h4 54.a5+–) 54.a5 Kd7 (54...Nf6 55.g4! hg4 56.hg4+–) 55.Kd5 Nc3 56.Ke5 Nb5 57.Kf5 Nd4 58.Kg5 Nc6 (58...Nb3 59.Kh5 Na5 60.Kg6+–) 59.Kh5 (59.Kh5 Na5 60.h4+–) 1–0. Geisensetter,Kurt – Berard,Guenter, corr DDR, 1985.

6.d4 Qc7 7.Nfd2 Be7 8.Be2 0–0 9.Nc3 Re8 10.b5 Nf8 11.a4 Ng6 12.0–0 ed4 13.ed4 Nf4 14.Bf3 d5 15.c5 Nd3=+ 16.Qb3 Nb2 17.Qb2=+ Qf4 18.a5 Bg4 19.Ne2 Qg5 20.a6 ba6 21.bc6+= Bd8 22.Qc3 Bc7 23.h3?? Bh3 24.Ng3 Bg3 25.fg3 Qg3 26.Ra3?? Nh5 27.Bd5+– Qg5 28.Bf7 Kh8 29.Qh3 Nf6 30.Nf3 Qf4 31.Ne5 Qd4 32.Re3?? Re5–+ 33.Rfe1 Re3?? 34.Re3?? Qd1–+ 35.Kh2?? Ng4 36.Qg4?? Qg4 37.c7 Qf4 38.Rg3 Qc7 (38...Qc7 39.Bc4 Qc5–+; better is 38...Qf7!? 39.Rc3–+) 0–1. toll (2040) – DarthVadar (2095), ICC, 2003.

6.Be2 Qc7 7.a3 d5 8.cd5 cd5 9.Nc3 a6 10.Rc1 Qb8 11.0–0 Bd6 12.Na4 (12.h3!?=) 12...b5 13.Nc3 0–0 14.d3 Bb7 15.Qd2 (15.h3 Rc8=) 15...Qa7 (15...e4!? 16.Nh4 d4 17.Ne4 Be4 18.de4 A) worse is 18...Ne4 19.Qd3 Nef6 20.Nf5+= (20.ed4?! Bh2 21.Kh1 Bf4=); B) 18...Bh2?! 19.Kh1–/+; C) 18...de3 19.Qe3 Bh2 20.Kh1 Bf4–+) 16.Rc2 Rac8 17.Rfc1 Rc7 18.Nd1 (18.Nb5!? Rc2 19.Na7 Rd2 20.Nd2+/–) 18...Rfc8 19.Rc7 Rc7 20.Rc7 Bc7 21.Qc3 Qb8 22.g3 Ne8 23.d4 e4 24.Ne5 Nb6 25.Qc1 Na4 26.Ba1 Bd6 27.Nc3 Qc7 28.Qd2 Nb6 29.Nd1 Nc4 30.Nc4+= dc4 31.Bc3 Bd5 32.f4?? f5 33.Nf2 a5 34.Nh3 h6 35.Nf2 Qe7 36.ba5 Ba3 37.a6 b4 38.Ba1 c3 39.Qc2 Nc7 40.Nd1 Qd6 41.Nc3 bc3–+ 42.Qc3 Bb4 43.Qb2 Na8 44.Kf2 Nb6 45.a7 Na8 46.Kg2 Qb6 47.Kf2 1–0. Fournier,Frederic – l7169, Active (5/0), 2005.

6.Be2 Be7 7.d3 0–0 8.0–0 b6 (8...Qb6 9.Bc3=) 9.e4 (9.Nc3 Bb7+=) 9...Bb7 10.Nc3 Rc8 (10...a5 11.b5=) 11.Qb3+= c5 12.b5 Re8 13.Nd5 Nd5 14.cd5 Nf6 (14...Qc7 15.Nd2+=) 15.Nd2+/– Bf8 16.Nc4 Qd7 (16...Ra8 17.a4+/–) 17.a4 Kh8 (17...Ra8 18.a5 Qc7 19.Bc3+/–) 18.a5+– ba5? (better is 18...Qc7+–) 19.Ra5 Ra8 20.Rfa1 Qc7 (20...Bc8 21.Nb6!! ab6 22.Ra8+–) 21.Ra7 Ra7 (21...Reb8 22.b6 Qc8 23.Bc3+–) 22.Ra7 Ra8 (22...Kg8 23.b6 Qb8 24.Na5+–) 23.b6 Qc8 (23...Qb8 24.Qa4+–) 24.Na5 Ra7 (24...Rb8+–) 25.ba7 Qa8 (25...Ba8 26.Qb8 Qe8+–) 26.Qb7 (26.Qb7 Qb7 27.Nb7+–) 1–0. pierred – anony, internet, 2015.

6.Qc2 Be7

7.Be2 0–0 8.0–0 Qb6 9.a3 =.

7.Be2 0–0 8.0–0 e4 9.Nd4 c5 10.bc5 dc5 11.Nf5 g6 12.Ng3 Bd6 13.Nc3 Re8 14.Nce4 Ne4 15.Ne4 Qc7? (better is 15...Bh2!? 16.Kh2 Qh4 17.Kg1 Re4+/–) 16.f4 f5?? (better is 16...f6+–) 17.Qc3 (17.Nd6?! Qd6 18.Bf3 Nf6+–) 17...fe4 (17...Be5 18.fe5 fe4+–) 18.Qg7 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

7.Be2 0–0 8.0–0 Re8 9.d3 Bf8 (9...Qb6 10.Bc3=) 10.Nbd2 d5 11.a3 a5 (11...Bd6 12.d4=) 12.c5 Qc7 (12...b6 13.cb6 ab4 14.ab4 Ra1 15.Ra1 Qb6 16.Bc3=) 13.Nb3 (13.d4 e4 14.Ne5 Ne5 15.de5 Ng4=) 13...ab4 14.ab4 Ra1 15.Ra1 e4 (15...b6 16.Ra8+=) 16.Nfd2 (16.de4 Ne4 17.Nbd4 b6 18.cb6 Qb6 19.Nc6 Bb4 20.Nb4 Qb4+/–) 16...ed3 (16...b6 17.de4 Ne4 18.Ne4 Re4 19.Bd3 Rb4 20.Bh7 Kh8 21.Bd3 bc5 22.Bc3+=) 17.Bd3 Ne5 18.Be2 (18.Be5 Qe5 19.Ra7 Be7+=) 18...Neg4 Threatening mate: Qxh2 19.g3 (19.Nf1 b6+=) 19...Ne4 (19...b5 20.Nd4+=) 20.Bg4 (20.Ne4!? Re4 21.Nd4+=) 20...Bg4= 21.Ne4 Re4 22.Bd4 Re6 (22...Bf5 23.Qd2=) 23.Nd2 (23.Ra8 Bf3=) 23...h5 (23...Re8 24.e4=) 24.h4 (24.Ra8 Qe7+=) 24...Be7 (24...Re8 25.e4=) 25.Ra8+= Bf8 (25...Bd8 26.Qc3 f6 27.Qd3=) 26.Kg2 (26.Qd3 Qe7+=) 26...Rg6 (26...Qe7 27.f3+–) 27.Kh2 (27.e4 de4 28.Ne4 Bf5=) 27...Bc8 (27...Re6 28.f3+–) 28.Nf3 (28.e4 de4 29.Ne4 Re6+=) 28...Qd7 (28...Re6 29.Ne5+=) 29.Ng1 (29.e4 de4 30.Qe4 Qh3 31.Kg1 Re6+=) 29...Be7 (29...Qg4 30.Nf3=) 30.Qe2 (30.e4 de4 31.Qe4 Rg4+=) 30...Rg4 31.f3 (31.Nf3 b6+=) 31...Rg6 32.Qc2 Qd8 33.Qf2 (33.Nh3 Re6+=) 33...Qc7 34.f4 (34.Be5 Qe5 35.Rc8 Kh7+=) 34...f6 (34...Re6 35.Qf3=) 35.Qc2 Rg4?? (35...Kh7 36.e4=) 36.Nf3 (36.Qf5 Qd8 37.Rc8+–) 36...Qd7 37.Ng1 (37.e4 de4 38.Qe4 Bd8+=) 37...g6 (37...b6 38.cb6 Qb7 39.Ra7 Bb4 40.Rb7 Bb7 41.Qf5+–) 38.Qf2 (38.e4 de4 39.Qe4 Bd8+=) 38...Qc7 (38...Qe6 39.Nf3=) 39.Nf3 Kf7 (39...Kh7!?=) ½–½. Timofeeva,Valentina – Mosionzhik,Bronia, Ozery op2 Seniors (Women), 1997.

7.Be2 e4 8.Nd4 =.

5.Nf3 e4

6.Ng5 h6 7.Nh3 c5 8.bc5 Nc5 9.d4 ed3 10.Bd3 Bh3 11.gh3 d5 12.Nc3 d4 13.Ne4?? Qa5 14.Qd2 Nd3 15.Ke2 Qd2 (15...Qd2 16.Kd2 Nb2 17.Nf6 gf6 18.ed4 Nc4 19.Kd3 b5–+; 15...Ne4 16.Qa5 Nef2 17.Qb5 Kd8 18.Bd4+–) 0–1. gtate (1900) – frenk (2075), net–chess.com, 2004.

6.Nd4 c5

7.Nc2 cb4 8.Nb4= Nc5 9.d4 (9.Bf6 gf6 10.Nc3 Be6=) 9...ed3+= 10.Nd3 Bd7 11.Be2 Ba4 (11...Qa5 12.Nd2=) 12.Qc1+= Nd3 13.Bd3 Be7 (13...d5 14.0–0 Rc8 15.Bf6 Qf6 16.Nc3+=) 14.0–0+= 0–0 15.Nc3 Bc6 16.Rd1 Rc8 17.Qc2 Qa5 18.Qe2 Qg5 (18...a6 19.a4=) 19.Qf1 (19.f4 Qa5+=) 19...Rfe8 (19...a6 20.g3=) 20.Nb5= a6 (20...Rcd8 21.Nc7 Rf8 22.Nd5 Nd5 23.cd5 Bd5 24.f4+=) 21.Nd4 (21.Na7 Rb8 22.Nc6 bc6+=) 21...Bd7 (21...Be4 22.g3=) 22.Rac1 Bf8 23.Bc3 Ne4 24.Nf3 Qh5 25.Bb4 Nc5 (25...Ba4 26.Re1=) 26.Be2 Qg6 27.Nd4 f5 28.Nb3 Nb3 (28...Bc6 29.Nd4=) 29.ab3+= Attacking the isolated pawn on d6 29...Bc6 30.Rd4 Re4 31.Rcd1 (31.Bd3 Rd4 32.ed4 Qf6+=) 31...Rce8 32.Bd3 (32.Re4 fe4 33.Rd2 Be7+=) 32...Rd4= 33.ed4 Bf3 34.Re1 Re1 35.Be1 Bc6 (35...Be7!?=) 36.d5+= Bd7 37.Bc3 Qg5 38.Qe1 f4 (38...g6!?+=) 39.Qe4+/– f3 40.Bf1 (better is 40.Qf3 g6 41.Bf6+/–) 40...fg2= 41.Qg2 Qc1 42.Qg3 h5 43.Kg2 h4 44.Qd3 Qg5 45.Kh1 Bf5 46.Qe3 Qg4 (46...Qe3 47.fe3 Kf7 48.Kg2+=) 47.Be2 (47.f3 Qg6=) 47...Qg6 (47...Be4 48.f3 h3 49.Qf2+=) 48.h3= Kf7 (48...Be4!? 49.f3 Bc2=) 49.Qf4+= Kg8 50.Qh4 Be4 51.f3 Bf5 52.Kh2 Bc2 53.b4 Qe8 54.Qf2 Qf7 55.f4 Be7 56.Bg4 Qg6?? (better is 56...Bf5+/–) 57.f5 (57.f5 Qh6 58.f6 Bf6 59.Bf6 gf6 60.Qc2 Qf4 61.Kg2+–) 1–0. Matveenko,Yury – Grishchenko,Vladimir, Voronezh Region CC Championship Semifin, 2008. (=1.Nf3 Nf6 2.b4 d6 3.Bb2 Nbd7 4.c4 e5 5.e3 e4)

7.Nc2 d5+=.

7.Nc2 Ne5 8.d4 ed3 9.Bd3 Be6–/+ (9...Nd3?! 10.Qd3 Be7 11.0–0=).

7.bc5 dc5 8.Nb3 a6 (8...Bd6 9.Nc3+=) 9.d3= a5 (9...ed3 10.Bd3 Bd6 11.Bh7=) 10.de4+= Ne4 11.Nc3 (11.Bd3 Nef6+=) 11...Nef6 12.Be2 a4 13.Nc1?? (13.Nd2 a3 14.Bc1 Bd6+=) 13...Be7?? (13...a3 14.Ba3 Ra3 15.Nb5 Qa5 16.Kf1–+) 14.0–0?? (14.Na4 0–0+=) 14...0–0?? (better is 14...a3 15.Ba3 Ra3–+) 15.Nb5 (15.Na4 Re8+=) 15...Qb6 16.Qc2 Qd8 17.Rd1 a3 (17...Qb6!?+=) 18.Ba3+/– b6 (18...Qb6 19.Rb1+/–) 19.Bf3+– Rb8 20.Bb2 Ba6 21.a4 Bb5 (21...Bb7 22.Bb7 Rb7 23.Rb1+–) 22.ab5 Qc7 23.Qf5 Rfd8 (23...Bd6 24.Kh1+–) 24.Ne2 (24.Nd3 Bd6+–) 24...Bd6 25.Nf4 Be5 26.Be5 (26.Nd5 Nd5 27.Be5 Qe5 28.Qe5 Ne5 29.Bd5 Rd7+–) 26...Ne5 27.Bc6 (better is 27.Be4 Rd1 28.Rd1+–) 27...Rd1 28.Rd1 Rd8? (28...Nc6 29.bc6 Qc6 30.Qe5=) 29.Bd5 (29.Rd8 Qd8 30.Nd5 Nd5 31.Bd5 Qe8+–) 29...Nd5 (29...Nc4!? 30.Bf7 Kf7 31.Rd8 Qd8 32.Qe6 Kf8 33.Qc4 Qd1 34.Qf1 Qb3+=) 30.Nd5+– (30.Rd5?! Nc4 31.Qg4 Nd6=; 30.cd5?! Nc4+/–) 30...Nc4 (30...Qd6 31.f4 Nc4 32.Qd3 Qd5 33.Qd5 Rd5 34.Rd5+–) 31.g3 (better is 31.Qd3 Ne5 A) 32.Nc7?! Nd3 (worse is 32...Rd3 33.Rd3 Nd3 34.Nd5+/–) 33.e4 Kf8=; B) 32.Nf6 gf6 33.Qd8 Qd8 34.Rd8 Kg7 35.Kf1+–) 31...Nd6?? (better is 31...Qd6 32.Qd3 Qd5 33.Qd5 Rd5 34.Rd5 Kf8+–) 32.Qe5 (better is 32.Nc7 h6 33.Qe5+–) 32...Qd7 (32...Qd7 33.Ne7 Kf8+–). GuestNKYX – GuestFBLB, freechess.org, 2017.

7.bc5 Nc5 8.Nc3= Be7 9.f3 ef3 10.Qf3 (10.gf3 0–0=) 10...Bg4 (10...Ng4 11.Be2 Ne5 12.Qf1=) 11.Qf2 (11.Qg3 h5 12.Qf2 Rc8=) 11...0–0 (11...Rc8 12.Qg3=) 12.Nf5 (12.Qg3 Qd7=) 12...Re8+= 13.Ne7 Re7 (13...Qe7 14.Qg3=) 14.h3 (14.Qg3 Re5=) 14...Nfe4 (14...Bh5 15.Qh4=) 15.Qh4= Bf5 16.Nd5 Re8 17.Qd8 Rad8 18.Nc7 (18.g4 Be6 19.Nc7 Rf8=) 18...Rf8 (18...Ng3 19.Ne8 Re8 20.Rg1+=) 19.g4= Bg6 20.d4 (20.Bd4 Ne6 21.Ne6 fe6 22.Ba7 Ng3=) 20...Na4+= 21.Rh2 Ng5 (21...Ng3!?+=) 22.0–0–0= Rd7 23.Nb5 Re8 (23...a6 24.Nc3 Nc3 25.Bc3=) 24.Na7 d5 (24...Re3 25.Nb5=) 25.c5 Re3 (worse is 25...Nb2 26.Rb2 (26.Kb2?! Re3 27.Nc8 Ne4=) 26...Nf3 27.Rb4+/–) 26.Ba1 (26.Nb5 Nb2 27.Kb2 Rde7=) 26...Nc3 (26...b6 27.cb6 Nb6 28.Nb5+=) 27.Bc3= Rc3 28.Kb2 Re3 29.Nc8 Rc7 30.Nd6 (30.Nb6 Be4=) 30...Rce7 (30...h6 31.Ka1=) 31.Kc1 (31.h4 Nf3 32.Rh3 Be4+=) 31...Ne4 32.Bb5 Nc3 33.Rdh1 Be4 (33...Nb5 34.Nb5 Be4 35.Rg1=) 34.Rg1 Nb5 (34...g5 A) 35.Ne4? R3e4 (35...Nb5 36.Nf6 Kg7 37.Nd5 Re1 38.Re1 Re1 39.Kd2+=; 35...R7e4?! 36.Rb2–+; 35...de4?! 36.Bc4+=; worse is 35...Ne4 36.Rf1=) 36.a4 Rd4–+ (36...Nb5?! 37.ab5 Rd4 38.Rc2+=); B) 35.Kb2=) 35.Nb5 f5 (35...Kf8 36.Rd1=) 36.gf5+= Bf5 37.h4 Bg6 (37...Be4 38.Rf2+=) 38.a4 (38.h5 Be4+=) 38...Rb3= 39.Rb2 Rb2 (better is 39...Rh3!?=) 40.Kb2+= Re4 (40...Re2 41.Ka3+=) 41.Rh1 (41.Rg5 Rh4 42.Rd5 Be4+/–) 41...Rf4+= 42.Kc3 (42.h5 Be8 43.Kc3 Rf3 44.Kd2 g5+=) 42...Be8 (42...h5 43.a5+=) 43.Nd6+/– Bc6 (43...Rf3 44.Kd2 Bg6 45.h5+/–) 44.a5 h5 45.Rb1 (45.Kd3 Rf3 46.Ke2 Rb3+/–) 45...Rh4+= 46.Nb7 Rh3 47.Kd2 Ra3 48.Nd8 Bd7 49.Rb8 (49.Rb7 Bg4 50.Nc6 h4+/–) 49...Bf5 50.c6 (50.Nc6 Kf7+/–) 50...Kh7 51.c7 Ra5 (51...Rd3 52.Ke2 Rc3 53.Rb5 Bg4 54.Kf2 Rc7 55.Rd5 Rc2 56.Ke3+=) 52.c8Q (52.Nf7 Ra3 53.Nd6 Bg4+/–) 52...Bc8 53.Rc8 g5 (53...h4 54.Ne6+/–) 54.Rc5 Rc5? (better is 54...Ra2 55.Kc3 g4+/–) 55.dc5+– h4 56.c6 h3 57.c7 h2 58.c8Q h1Q 59.Qf5 Kh6 60.Nf7 Kg7 61.Ng5 Qh2 62.Kd3 Qg3 63.Kd4 Qg1 64.Kd5 Qh1 65.Nf3 Kg8 66.Qg6 Kh8 67.Qf6 Kh7 68.Qf7 Kh8 69.Qf8 Kh7 70.Qe7 Kh8 71.Qf8 Kh7 72.Qf7 Kh8 73.Qf8 ½–½. Machete99 (2230) – blik (2435), ICC, 2002.

6.Nd4 Ne5

7.f4 Nc6 8.Nc6 bc6 9.Be2 d5 (9...Be7 10.0–0=) 10.c5 Be7 11.Qa4 Bd7 (11...a5 12.0–0=) 12.Qa5+= 0–0 13.Na3 (13.0–0 Bg4 14.Ba6 Bc8=) 13...Ng4 (13...Bg4 14.Bg4 Ng4 15.0–0=) 14.Nc2 (14.0–0 Bf6 15.Rab1 Bb2 16.Rb2 Nh6+=) 14...Nh6 (14...Bh4 15.g3=) 15.0–0 f5 (15...Bg4 16.Ba6 Bc8 17.Nd4+=) 16.Be5 Bf6 17.Bc7 Qe8 18.Rab1 (18.Nd4 Ng4+/–) 18...Nf7 19.Kh1 (19.Nd4 Nd8+/–) 19...Kh8 (19...Nd8 20.Qa6+/–) 20.a4 (20.Nd4+/–) 20...g5 (20...Nd8 21.Nd4+/–) 21.g3 (21.fg5 Ng5 22.b5 Rg8+–) 21...Kg7 (21...g4 22.Nd4+/–) 22.b5 (22.fg5 Ng5 23.Nd4 a6+–) 22...Nd8 (22...g4 23.Nd4 Nd8 24.Bd8 Qd8 25.Nc6+/–) 23.fg5 Bg5 24.Nd4 h5 (24...Nb7 25.Qb4 Rc8 26.Bf4 Bf4 27.bc6 (27.ef4?! cb5 28.Nb5 Bb5 29.Bb5 Qe6+–) 27...Bc6 28.Rf4+– (28.ef4?! Nd8+–)) 25.Qb4 (25.Bd6!? Rf6+–) 25...h4 26.gh4 (26.Bd8 Bd8 27.bc6 Bc6+–) 26...Bh4 27.Rg1 Kh6 (27...Kh8 28.Rbf1+–) 28.Rg2 Rg8 (28...Kh7 29.Rbg1 Bf6 30.Bd6+–) 29.Rg8 (29.Bd8 Qd8 30.Rg8 Qg8 31.bc6 Bc8+–) 29...Qg8 30.Rg1 Qe8 31.Qb1 Qf8 (31...Kh7 32.Qf1 f4 33.Qf4 Qe7+–) 32.Qf1 f4 (32...Kh7 33.Qg2 Be8+–) 33.Bf4 Kh7 34.Bh5 (better is 34.Qg2 Qf7 35.Bh5+–) 34...Qc5 (34...Qf6 35.Qg2 Ne6 36.Qg6 Qg6 37.Bg6 Kg7 38.Be5 Kf8 39.Rf1 Kg8 40.Bf7 Kh7 41.Ne6 Be6 42.Be6 Re8 43.Bf5 Kh6 44.Bf4 Kg7 45.bc6 Bd8 46.Rg1 Kf6+–) 35.Bg6 Kg7 36.Bf5 (36.Be5 Kg8 37.Be4 Bg3 38.Rg3 Bg4 39.Rg4) 36...Kf8 1–0. Kesmaecker,Philippe (2290) – Blachier,Pierre (2135), FRA–chT France, 1999.

7.f4 Nd3 (7...ef3 8.Nf3 (8.gf3 Nfg4 9.Qc2 Qh4 10.Ke2 c5 11.bc5 dc5–+) 8...a5 9.b5=) 8.Bd3= ed3 9.0–0 c5 (9...d5 10.c5=) 10.Nf3 Be7 11.Qb3 0–0 (11...Bf5 12.Nh4 Bg4 13.Qd3 cb4 14.h3=) 12.Qd3+= cb4 13.a3 (13.Ng5 Qa5=) 13...d5 (13...ba3 14.Ra3 Re8 15.Ng5=) 14.ab4 Bb4 15.Ra4 a5 16.Bf6 Qf6 17.Qd5 Rd8 18.Qe4 Bf5 19.Qb7 (19.Qe5 Qe5 20.Ne5 f6–/+ (worse is 20...Bd2 21.Nd2 Rd2 22.c5=)) 19...Rab8–/+ 20.Qa7 Be4 21.Ng5 Bd3 22.Re1 h6 23.Nf3 Qb2 (23...Bc2!? 24.Ra2 Bb3 25.Ra5 Ba5 26.Qa5 Bc4=) 24.Nc3= Bc3 (24...Bc4 25.Rb1 Qc2 26.Raa1=) 25.dc3+= Be4 26.Ra5?? (better is 26.Qe7 Bc6 27.Ra5+=) 26...Bf3–+ 27.Ra2 (27.gf3?? Qd2 28.Ra2 Qe1 29.Kg2 Qc3–+) 27...Qc3 28.Qa5 Qa5 29.Ra5 Be4 30.Re5 f5 31.Re2 Rd1 32.Kf2 Bd3 33.c5 Be2 34.Ke2 Rh1 35.Rf5 Rb2 36.Kf3 Rh2 37.g3 (37.Re5 Rhg2 38.Ke4 g5–+) 37...Rb3 (37...Rhc2 38.e4–+) 38.Rd5 Rc2 39.g4 (39.f5 Rb5–+) 39...Rcc3 (39...Rbc3 40.Rd7–+) 40.Re5 Kf7 41.Rf5 Kg6 42.Re5 Rb1 43.f5 Kf7 44.Rd5 Re1 (44...Rf1 45.Ke4 Rc4 46.Kd3 Rg4 47.e4–+) 45.Rd7 Kf8 (45...Kf8 46.Kf4 Rc5–+) 0–1. Machete (2295) – NightmareXP (2655), ICC, 2003.

7.f4 ef3 8.gf3 Nfg4 9.Qc2 Qh4 10.Ke2 c5 11.bc5 dc5 –+.

7.f4 ef3 8.Nf3 a5 9.b5 Bg4 10.Be2+= Bf3 11.gf3 Be7 12.0–0 0–0 13.f4 Ned7 14.Bf3 Nb6 15.Bb7+/– Rb8 16.Bc6 Nc4 17.Bd4 d5 18.a3 Kh8 19.Qc2 Qd6 20.d3 Nb6 21.Qg2 Rfd8 22.Nd2 Kg8 23.Nb3+– a4 24.Nc5 Rf8 25.Kh1 Kh8 26.Rg1 Rg8 27.Qc2 Nbd7 28.Na6 Rbd8 29.Qa4 Rc8 30.Qc2 Rgf8 31.a4 Rfe8 32.Bb7 Rcd8 33.a5 Rg8 34.Nc7 Nc5 35.Qc5 Qc5 36.Bc5 Bc5 37.d4 Bd6 38.Nd5 Nd5 39.Bd5 Bf4 40.e4 Rb8 41.Rgb1 Be3 42.Ra4 Rgd8 43.a6 Rd5 44.ed5 f5 45.a7 Rf8 46.a8Q (46.a8Q Rg8 47.d6+–) 1–0. orane – Caissa, caissa.com, 2006.

7.f4 ef3 8.Nf3 Bg4 9.Be2 Bf3 (9...Nfd7 10.0–0=) 10.gf3 Nfd7 11.d4 Ng6 (11...Qh4 12.Kd2 Nc6 13.a3+=) 12.Nc3 (12.d5 Qh4 13.Kd2 Nb6+=) 12...Qh4 (12...d5 13.c5=) 13.Kd2+= 0–0–0 14.Qa4 Kb8 15.Qb5 (15.Qa5 Nb6+=) 15...Ne7 (15...Be7 16.Qa5 Rc8 17.f4=) 16.f4 (16.Rag1 f5=) 16...Nf6 (16...d5 17.cd5 (worse is 17.Nd5 c6 18.Qa5 b6 19.Nb6 Nb6–/+) 17...Nf6 18.d6 Rd6 19.Rac1+=) 17.Qa5 (17.Qg5 Qh3 18.Qg3 Qd7=) 17...Rc8 (17...Nc6 18.Qg5 Qh3 19.b5=) 18.Qg5 (18.Raf1 d5 19.cd5 b6=) 18...Qh3 19.Qg3 Qd7 20.Bd3 (20.d5 g6=) 20...d5+= 21.c5 Qe6 (21...h5 22.b5=) 22.b5 Ne4 (22...Re8 23.Rhc1+=) 23.Ne4= de4 24.Bc2 h5 (24...Rd8 25.Bb3 Nd5 26.Rab1=) 25.Bb3 Qd7 26.Qg2 f5 27.Qe2 h4 28.Rag1 (28.Rhc1 c6=) 28...Nd5 (28...Rd8 29.Qc4=) 29.Qc4+= c6 30.bc6 bc6 31.Rg5 (31.Rg6 Kc7+=) 31...Ka8 (31...Rh7 32.Ke2+=) 32.Rhg1 (32.Rb1 Rb8+=) 32...Rb8 33.Rg6 Qb7 (33...Rb7 34.Ke2+=) 34.Bc3 (34.Qa4 Ne7 35.Re6 Rh5+=) 34...Ne7 35.Rd6 Ng8 (35...Nc8 36.Re6+=) 36.Re6 (36.d5 Ne7 37.dc6 Nc6+/–) 36...Nf6 (36...Ne7!?+=) 37.Rg5+/– Ng4 (37...Rh5 38.Ba4 Rc8 39.Bc6 Rc6 40.Rf6 Rf6 41.Rh5+–) 38.h3+– Nf6 (38...Nf2 39.Rf5 Qd7 40.Ba4+–) 39.Rf5 Be7 40.Rfe5 Bd8 41.Bc2 (41.Qa4 Rc8+–) 41...Nd7 (41...Rf8 42.Qa4 Rc8 43.Be4 Ne4 44.Re4+–) 42.Re4 Nf6 (42...Nf8 43.Re8+–) 43.R4e5 Rc8 44.Qb3 Nd5 (44...Qc7 45.Qa4+–) 45.Qb7 (45.Rc6 Rc6 46.Qd5 Rc7+–) 45...Kb7 46.Rf5 (46.Be4 Nc3 47.Kc3 Bf6+–) 46...Rc7 (46...Bf6 47.Be4 Rhd8 48.Ba5+–) 47.Bb2 (47.Be4 Nc3 48.Kc3 Bf6+–) 47...Bf6 48.Bd1 (48.Bb3 Ne7 49.Rff6 gf6 50.Rf6 Rh7+–) 48...Ka8 (48...Re7 49.Re7 Ne7 50.Rh5 Rh5 51.Bh5+–) 49.Bf3 (49.e4 Ne7 50.Rh5 Rb8+–) 49...Ne7 50.Rh5 Rhc8 (50...Rb8 51.Bc3 Kb7 52.Ba5+–) 51.e4 (51.Bc3 Kb7+–) 51...Ng6 52.Ke3 (52.Rf5 Ne7 53.Rff6 gf6 54.Rf6 Rg8+–) 52...Nf8 53.Rf6! gf6 54.Rh4 Re7 55.Rh6 Nd7 56.h4 Rb8 (56...Kb7 57.e5+–) 57.Bc3 Kb7 58.h5 Rf8 (58...Kc7 59.Ba5 Kb7 60.e5+–) 59.Rg6 (59.e5 Kc7+–) 59...Rh8 60.e5 Rc8 (60...a6 61.Kd3 Rc8 62.ef6+–) 61.Rg1 (61.h6 fe5 62.fe5 a6+–) 61...fe5 (61...Rh8 62.Rb1 Kc8 63.Rh1+–) 62.Rb1 Ka8 63.fe5 Nf6 64.Kd3 (64.Kf4 Nd5 65.Bd5 cd5+–) 64...Nd5 65.Bd5 (65.Bd2 Rb7 66.Rh1 Rb2+–) 65...cd5 66.h6 Rg8 67.Bd2 Rh7 (67...Rg3 68.Ke2+–) 68.Bf4 Rg4 69.Be3 (69.Rf1 Kb7+–) 69...Rg3 70.Rh1 Kb7 71.Rh5 (71.a3 Kc6+–) 71...Rg6 72.a3 Ra6 (72...Kc8 73.Rh1+–) 73.Bc1 Re6 (73...Kc7 74.Rh2+–) 74.Rf5 Rg6 (74...Reh6 75.Bh6 Rh6 76.Rf7 Kb8 77.Kc3+–) 75.Rf6 Rf6 76.ef6 Kc6 77.Bf4 Rf7 (77...Kd7 78.Ke3+–) 78.Bg5 Kb5 79.Ke3 Rh7 (79...Kc4+–) 80.Kf4 Kc4 81.Ke5 Rc7 82.Ke6 (82.Ke6 Rc8 83.f7+–) 1–0. Bonetti,Shane – Tinker, ICC, 2002.

7.f4= Bg4 8.Qc2 Nd3 (8...Ng6 9.Nb5 Qe7 10.Bf6 gf6 11.Qa4+=) 9.Bd3+= ed3 10.Qd3 Be7 (10...d5 11.c5+/–) 11.f5 (11.e4 0–0 12.h3 Bh5+–) 11...d5 (11...c5 12.Nc2 0–0 13.h3+–) 12.h3 Bh5 13.g4 Ng4 (13...Ne4 14.gh5 Bh4 15.Kf1 Nf2+=) 14.hg4+– Bg4 15.Nc3 (15.cd5 Qd5 16.Qb5 c6 17.Qd5 cd5+–) 15...Bh4? (better is 15...Qd6 16.Nd5 Qg3 17.Kf1 Bh3 18.Rh3 Qh3 19.Ke1 Qh4 20.Kd1 0–0–0+/–) 16.Kf1 Qg5 17.cd5 0–0 (17...0–0–0 18.Ncb5 Kb8 19.Qa3+–) 18.Ne4 (18.Ncb5 Bg3+–) 18...Qh5 (18...Bf5 19.Rh4! Qh4 20.Nf5 Qh3 21.Kg1+–) 19.Nf2 Qg5 20.Qc3 (20.Rc1 Bf2 21.Kf2 Rac8+–) 20...Rfc8 (20...Bf2 21.Kf2 Bf5+–) 21.Rg1 Bf2 22.Nf3!! Qh6 (22...Bf3 23.Rg5) 23.Rg4 (worse is 23.Kf2 Bf3 24.Qg7 Qg7 25.Rg7 Kf8 26.Kf3 a5+–) 23...Qh3 24.Rg2 f6 25.Kf2 1–0. MrkT – elsquare, internet, 2005.

7.f4= Ng6 8.d3=.

5.Nf3 Be7

6.a4 a5 7.b5+=.

6.a4 a6 7.d4 ed4 8.ed4 0–0 (8...a5 9.b5=) 9.Nbd2 (9.Bd3 a5 10.ba5 d5=) 9...Re8 10.Be2 a5 11.b5 b6 (11...Nh5 12.0–0=) 12.0–0 Bb7 (12...d5 13.Ne5 Bb7 14.Bf3=) 13.Qc2 (13.d5 Nh5+=) 13...Nf8 (13...d5 14.Rfe1=) 14.Rfe1 (14.d5 N6d7+/–) 14...Ne6 (14...d5 15.Rac1+=) 15.g3 (15.d5 Nf4+=) 15...Bf8 (15...d5!?=) 16.Ne5?? (better is 16.d5 Nc5 17.Bd3+=) 16...de5–+ (16...de5 17.de5 Bb4 18.ef6 Qd2 19.Qd2 Bd2–+) 0–1. Garcia Piedra,Juan – Rodriguez Lopez,Jaime, Asturias–chT40 Primera A, 1999.

6.b5 a6 7.a4 b6 8.Be2= Bb7 9.0–0 0–0 10.d4 Re8 11.de5+= de5 12.Ne5 Ne5 13.Be5 Bd6 14.Bd6+/– Qd6 15.Qd6 cd6 16.Nd2 a5 17.Bf3 Bf3 18.Nf3 Ne4 19.Rfd1 Rac8 20.Rac1 f5 21.Nd4 g6 22.Nb3 Red8 23.Nd2 Kf7? 24.Ne4+– fe4 25.h3 Ke6 26.Kf1 Rc5 27.Rd4+– Ke5 28.Ke2 g5 29.f3 ef3 30.gf3 h6 31.Kd3 Ke6 32.e4 Rf8+/– 33.Ke3 Re5 34.Rd5 Rc8 35.Re5 de5+/– 36.Rc2 Rc7 37.Rc3 ½–½. valpa – Roussos13, playchess.de, 2002.

6.Qc2 0–0 7.d3 Nb6 (7...Re8 8.Be2+=) 8.a4 Bg4 (8...a5 9.b5=) 9.Be2 c6 10.h3 Bf3 11.Bf3 h6 (11...d5 12.c5 Nbd7 13.d4 ed4 14.ed4=) 12.Nd2 (12.a5 Nbd7 13.a6+=) 12...Qd7 (12...d5 13.0–0=) 13.0–0 (13.a5 Nc8+/–) 13...Nh7 (13...a5 14.ba5 Ra5 15.Bc3+=) 14.Ne4 (14.a5 Nc8+/–) 14...f5+= 15.Nd2 Ng5 16.a5 Nc8 17.Be2 Bf6 18.f4 (better is 18.d4+=) 18...Nh3? (better is 18...ef4 19.Bf6 Rf6 20.ef4 Ne6=) 19.gh3+– Qf7 (19...ef4 20.Rf4 Qe6 21.Rf3+–) 20.Kh2 (20.a6 ef4 21.Rf4 ba6+–) 20...Ne7 21.Rg1 Qe6 22.Nf3 (better is 22.Rae1+–) 22...Ng6?? (22...ef4 23.ef4 Qe3+–) 23.Rg6 e4 (23...ef4 24.Rag1 Kh8 25.Rg7 fe3 26.R1g6+–) 24.Nd4 Qf7 (24...Qe8 25.Rag1 Qd7 26.de4 fe4 27.Nf5 Qf5 28.Bf6 Qf6 29.Rf6 Rf6 30.Qe4+–) 25.Rag1 d5 (25...Qd7 26.de4 fe4 27.Nf5 Qf5 28.Rg7 Kh8 29.Bf6 Qf6 30.R7g6 Qg6 31.Rg6+–) 26.Rh6 (better is 26.Nf5 Kh7 27.Rg7 Bg7 28.Rg7 Qg7 29.Ng7 Rf7+–) 26...Qc7 (26...Qd7 27.de4 de4 28.c5+–) 27.Ne6 (27.Ne6 Qe7 28.Bf6 Rf6 29.Ng7 Rh6 30.Nf5 Kf8 31.Ne7 Ke7 32.Rg7 Kf8 33.Rb7+–) 1–0. GuestKXDK – GuestZPDG, freechess.org, 2017.

6.Nc3 a5 7.b5 e4=.

6.d3 0–0 7.Qc2 Ne8 (7...Re8 8.Be2+=) 8.Nbd2 f5 9.Be2 Nef6 (9...a5 10.b5=) 10.0–0 Kh8 11.a4 Rg8 (11...a5 12.b5+=) 12.Ng5 Qe8 13.Ne6 Bd8 14.Ng5 (14.Nd8 Qd8 15.d4 ed4 16.ed4 Re8+/–) 14...h6 (14...Be7!?=) 15.Ngf3+= g5 (15...a5 16.b5+=) 16.Ne1 Qg6 17.f4 (17.d4 ed4 18.Bd4 c5 19.bc5 dc5+/–) 17...gf4+= 18.ef4 Ng4 19.Rf3 (19.Bg4 Qg4 20.c5 Qg6+/–) 19...Bh4= 20.g3?? (better is 20.Bf1=) 20...Nh2–+ 21.Kh2 (21.Rf2 Qg3 22.Rg2 Qf4 23.d4–+) 21...Bg3 22.Kg2 (22.Kh1 Qh5 23.Kg1 Qh2 24.Kf1 Qh1) 22...Bf4 23.Kf2 (23.Rg3 Qg3 24.Kh1 Qh2) 23...Qg1 0–1. GuestZVDN – GuestCDLZ, freechess.org, 2017.

6.d4 b6 7.Nc3 Bb7 8.Be2 ed4 9.ed4 Ne4 10.Qc2 (10.d5 A) 10...Bf6 11.Nd4 (11.Ne4 Bb2 12.Rb1 Bf6 13.0–0 0–0 14.Bd3 Re8+=) 11...Nc3 12.Bc3 0–0 13.0–0 Re8 14.Re1 Ne5+=; B) 10...Nc3 11.Bc3 Bf6 (11...0–0 12.Nd4 Re8 13.0–0 a5 14.ba5 ba5+=) 12.Nd4 0–0 13.0–0 Re8 14.Re1 Ne5+=) 10...Ndf6 (10...d5 11.0–0 Nef6 (11...Nc3 12.Bc3 0–0 13.c5 Re8 14.Bd3 h6+=) 12.c5 0–0 13.Rfe1 a5 14.a3 Re8+=; 10...Nc3 11.Bc3 d5 (11...0–0 12.0–0 d5 13.c5 Re8 14.Bd3 h6+=) 12.c5 0–0 13.0–0 Re8 14.Bd3 h6+=; 10...Nef6 11.d5 a5 (11...0–0 12.0–0 Re8 13.Nd4 a6 14.a3 Ne5+/–) 12.a3 0–0 13.0–0 Re8 14.Nd4 Ne5+=) 11.0–0 (11.d5 Nc3 12.Bc3 c6 13.dc6 Bc6 14.0–0 Be4+=) 11...Nc3 12.Bc3 Be4 (12...d5 13.Ne5 0–0 14.Bf3 Qc8+=) 13.Bd3 (13.Qa4 Qd7 14.Qd7 Kd7+= (14...Nd7+=)) 13...Bd3 (13...Bf3 14.gf3 d5=) 14.Qd3 0–0 (14...d5+=) 15.Rfe1 (15.d5 Nd7+/–) 15...c5 (15...d5 16.Ne5 dc4 17.Qc4=) 16.bc5 bc5 17.Rab1 cd4 (17...Nd7!?+/–) 18.Nd4+– Nd7?? (better is 18...Re8+–) 19.Nc6 Qc8 (19...Qc7 20.Ne7 Kh8+–) 20.Ne7 (20.Ne7 Kh8 21.Nc8 Rac8 22.Rb7+–; 20.Re7?! Qc6 21.Rbe1 Rac8+/–) 1–0. pierre – joshuanem, internet, 2008.

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

6.Be2 a5 7.b5 c6 8.d4 e4 9.Nfd2 cb5 10.cb5 d5 11.Nc3 b6 12.Rc1 0–0 13.Qb3 Bb7 14.0–0 Rc8 15.Rc2 Bd6 16.Ba3 Qe7 17.Bd6 Qd6 18.Rfc1 Rfe8 19.g4 (19.Qa4 Nf8+=) 19...h6 20.h4 (20.a3 Qe6=) 20...Nh7 (better is 20...Ng4!? 21.Kf1 Ndf6–+) 21.Nf1= Ndf6 22.Ng3 g6 23.Kg2 Qd7 24.Na4 Rc2 (24...Ng4? 25.Nb6 a4 26.Qa4+– (26.Nd7?! ab3 27.ab3 Rc2 28.Rc2 Ngf6+–)) 25.Rc2 Qd6 26.Rc3 Rc8 27.Qc2 Rc3 28.Qc3 Ne8 29.f3 ef3 30.Bf3 Nhf6 31.Qb3 Ne4 32.Be4 de4 33.Nc3 Nf6 34.g5 hg5 35.hg5 Ng4 (35...Nh7 36.Qd1–/+ (36.Nge4?? Ng5 37.Kf1 Ne4 38.Ne4 Be4–+)) 36.Na4 (36.Nce4 a4 37.Qa4=) 36...Kg7 37.Qc3 (37.Nf1–/+) 37...f6 (37...Qd5 38.a3 Qg5–+ (38...Qb5?! 39.d5 Kg8 40.Qd4–+)) 38.Kh3 (38.gf6 Nf6 39.Qc1 Kf7+=) 38...Nf2 (better is 38...f5!?–/+) 39.Kg2= Ng4 40.Kh3 Nf2 (better is 40...f5!?–/+) 41.Kg2= Ng4 42.Kh3 fg5 (42...f5–/+) 43.d5?? (43.Kg4 Qd7 44.Nf5 Qf5 45.Kg3–+) 43...Nf6–+ 44.Ne4?? (better is 44.Kg2–+) 44...g4 45.Kh4 (45.Kg2 Bd5 46.Kg1 Be4 47.Qe1–+) 45...Qh2 46.Kg5 Qh6 0–1. Mikhaylov,Dimitri (1815) – Soliva Ruiz,Ramon, St Petersburg RUS, Chigorin Mem, 2013.

6.Be2 b6 7.0–0 Bb7 8.a4 0–0 9.a5 ba5 10.Ra5 Nb6 (10...c5!?=+) 11.Qc2 c5 12.bc5 dc5 (better is 12...Nc4!? 13.Rb5 A) 13...Nb2? 14.Rb7 e4 15.Nd4+– (15.Rb2?! ef3 16.Bf3 Rb8+/–; 15.Qb2?! ef3 16.Bf3 dc5+=); B) 13...Bf3 14.Bf3 d5=) 13.Ne5+/– Qc7 14.Bf3 (14.f4!?+/–) 14...Bf3= 15.Nf3 Bd6? (better is 15...Nc4 16.Ra2 Nb2 17.Rb2 Qd6=) 16.Bf6+– gf6 17.Nc3 Nc4 18.Ra4 Nb6 (18...Ne5 19.Ne5 fe5+–) 19.Ne4 (19.Rg4 Kh8 20.Qf5 Bh2 21.Kh1 Qd6 22.Rh4 Qd3 23.Qd3 f5 24.Qf5 h6 25.Rh6 Kg8 26.Qh7) 19...Na4=+ 20.Nf6 Kh8?? (better is 20...Kg7 21.Nh5 Kh6 22.Qa4 c4= (22...Kh5?? 23.Qh4 Kg6 24.Qg5)) 21.Qh7# (21.Qa4?! Be7 22.Qh4 Bf6 23.Qf6 Kg8+=) 1–0. revreverend – justfish30, Live Game Caissa's Web, 2004.

6.Be2 c5 7.a3 (7.bc5 e4 8.Nd4 Nc5=) 7...0–0 (7...e4 8.Ng5 h6 9.Nh3+=) 8.0–0 (8.bc5 Nc5 9.d4 ed4 10.Nd4 Qb6=) 8...Re8 (8...e4 9.Ne1+=) 9.d3= b6 10.Re1 Bb7 11.Nc3 Bf8 Black plans e4 (11...cb4 12.ab4 a5 13.Qb3=) 12.Qb3 a6 13.Rad1 (13.d4 cb4 14.ab4 Qe7+=) 13...Qc7= 14.d4 e4 15.Nd2 cd4 16.Nd5 (better is 16.ed4!? d5 17.c5=) 16...Nd5+= 17.cd5 d3 (17...de3 18.fe3 b5 19.Rf1+=) 18.Rc1 (18.Bg4 g6 19.Rc1 Qd8 20.Bd7 Qd7+=) 18...Qd8 19.Bg4 Nf6 20.Bf6 (20.Bf5 A) worse is 20...Nd5 21.Be4 (21.Ne4? g6–+) 21...Re4 22.Ne4+/–; B) 20...Re5 21.Be5 de5=) 20...Qf6+= (20...gf6? 21.Bf5+–) 21.Bd7 Re5 (21...Re7 22.Bc6 Qg6 23.f3=) 22.Bc6= Qe7 (22...Bc6 23.Rc6 Qg6 24.f4=) 23.Rc3 (23.Nc4!?=) 23...b5 24.Rec1 f5 (24...Bc6 25.dc6 Rc8 26.Qd1–/+) 25.Qd1 (25.a4 Qf7+=) 25...Rc8 26.Nb3 (26.a4 Bc6 27.Rc6 Ra8+=) 26...Qf7 (26...Bc6!? 27.dc6 Qc7+=) 27.Nd4 Bc6 (27...g6 28.Qd2+=) 28.dc6 (28.Nc6 Ra8 29.Ne5 de5=) 28...Rc7 (28...d5 29.Rb1+=) 29.g3 (29.a4 f4+=) 29...g5 (29...d5 30.a4 ba4 31.Qa4–/+) 30.f3 (30.a4 Bg7–/+) 30...Bg7 31.fe4 fe4 32.Qd2 Rd5 (32...g4 33.Rf1 Qd5 34.Rcc1–/+) 33.Rf1+= Qg6?? (33...Bf6 34.Kh1 Kh8–/+) 34.Qf2 (34.Qa2 Kh8 35.Qd5 h6+–) 34...h6?? (34...Kh8 35.Rcc1–/+) 35.Kg2 (better is 35.Qa2+–) 35...Re5 (35...Bd4 36.ed4 Qg7 37.h3–+) 36.Rcc1 (36.a4 Re8 37.Qa2 Kh8–/+) 36...Re8 37.Qa2 Kh7 38.Nf5 (38.Qd5 Re5 39.Qa2 g4–/+) 38...Qe6–+ 39.Qd2 (39.Rf2 Qa2 40.Ra2 Rec8–+) 39...Be5 40.Nd4 Bd4 41.ed4 d5 42.Rc5 Rd8 (42...Rc6 43.Qe3–+) 43.h3 (43.Qc3 Rd6–+) 43...Qg6 (43...Rd6 44.Qe3–+) 44.g4 Qg7 (44...Rc6!? 45.Rc6 Qc6 46.Kg1–+) 45.Qe3–/+ Rd6 (45...Kg8 46.Rf5 Qg6 47.Rcd5 Rd5 48.Rd5 Rc6 49.Rd8 Kf7 50.d5 Rc2 51.Kh1=) 46.Rf5 (46.Rd5! Rd5 47.Qe4 Qg6 48.Qd5 Qc6 49.Qc6 Rc6 50.d5=) 46...Qg8 (worse is 46...Rcc6 47.Rfd5 Qg6 48.Rf5 Rc5 49.bc5–/+) 47.Qf2 (47.a4 ba4 (47...Rdc6 48.Rfd5 Re7 49.Re5 Re5 50.de5 Qa2 51.Kf1 Rc5 52.Qe4 Kg7 53.bc5+=) 48.Rfd5 Rd5 49.Qe4 Qg6 50.Qd5 d2–+) 47...Qe6 (47...Kg7!?–+) 48.Re5–/+ Qf6 49.Rf5 (49.Rcd5 Rdc6 50.Rc5 Qf4–/+) 49...Qg6 (49...Qd8 50.Rf8 Qe7 51.Rf5–+) 50.Kf1 (50.Rfd5!? Rf6 51.Rf5 Rcc6 52.d5 Rc5 53.bc5 Rf5 54.gf5+=) 50...Kg7 (50...Rcc6 51.Kg2–+) 51.Ke1 Rcc6 52.Kd2? (better is 52.h4!? gh4 53.Qh4–/+) 52...Rf6–+ 53.Kc3 (53.Ke1 Qe8 54.h4 e3–+) 53...Rf5 54.gf5 Qf6 55.Kb3 Qd6 56.Qg2 (56.Qd2 Kf6–+) 56...d2 (56...d2 57.Qd2 Kf6–+; better is 56...Rc5 57.dc5 Qe5–+) 0–1. Bartle,Georg – Schampel,Arno, 18 sen. DSenEM (GrB) op, 2006.

6.Be2 c6 7.0–0 h6 8.Nc3 g5 9.d4+= g4 10.Nh4 Nf8 11.Qc2 e4 12.d5 N6h7 13.dc6 Bh4 14.c7! Qc7? 15.Nd5 Qd8 16.Qe4 Be7 17.Bh8 Ng5 18.Nf6# 1–0. orane – UmbaMumuba, caissa.com, 2006.

6.Be2 e4 7.Nd4 0–0 8.Nc3 Ne5 9.f4 Nd3 10.Bd3 ed3 11.0–0 c5 12.bc5 dc5 13.Nf3 Be6 14.Ne5 Nd7 15.Qb3 Ne5 16.fe5 b6 17.Nd5 b5 18.e4 Rb8 19.cb5 Bd5 20.ed5 Qb6 21.Qc4 Qb5 22.Qb5 Rb5 23.Bc3 Bg5 24.Rf5 f6 25.e6 Rb6 26.Rf3 c4 27.h4 Bh4 28.Rf4 Bg3 29.Rc4 Rb5 30.Rd4 Rfb8 31.Rf1 Bd6 32.a4 Rb3 33.Rc4 Kf8 34.Kf2 Ke7 35.Ke3 h5 36.Kd3 Rf8 37.Rc6 h4 38.Ra6 Rb7 39.Bd4 Bb8 40.Bc5 1–0. pumpkin – johnrbrown (2620), net–chess.com, 2014. (=1.Nf3 d6 2.b4 Nf6 3.Bb2 Nbd7 4.c4 e5 5.e3 Be7)

6.Nc3 0–0

7.Qc2 c5 8.b5 Ne8 9.a4 f5 10.Nd5 Ndf6 11.Ne7 Qe7 12.Be2 e4 13.Ng5 Nc7 14.a5 Ne6 15.Nh3 a6 16.b6 Bd7 17.f4 ef3 (better is 17...d5!?=) 18.Bf3+/– (18.gf3?! f4=) 18...Ne4 19.Be4 (better is 19.d3!? Qh4 20.Nf2 Nf2 21.Qf2 Qf2 22.Kf2+/–) 19...Qh4 20.Nf2 fe4 21.g3 Qg5 (21...Qh5 22.Qe4 (22.Ne4? Qf3 23.Rg1 Nd4 24.Bd4 cd4–+) 22...Ng5 23.Qd5 Rf7 24.h4 (24.Qb7?? Nf3 25.Qf3 Rf3–+) 24...Nf3 25.Kf1–+) 22.Ne4 (better is 22.Qe4!? Rab8 23.0–0+/–) 22...Qg4= 23.Nf2?? (23.Rf1=) 23...Qf3 (23...Rf2 24.Qd3 Raf8 25.Bg7 Ng7–+) 24.Rf1 Ng5 25.Qd1 (25.Qc3 Rf7 26.Qd3–+) 25...Qf5 (better is 25...Qg2 26.Qe2 Nf3 27.Kd1 Nh2–+ (27...Qh2?! 28.Bc3+=)) 26.Qb3? (better is 26.Ke2+=) 26...Nf3–+ 27.Kd1 Nh2 28.Qc3 Qg6 29.Rh1 (29.Qg7 Qg7 30.Bg7 Kg7 31.Ke2 Nf1 32.Rf1–+) 29...Rf2 30.e4 Raf8 31.Kc2 (31.Qd3–+) 31...Qe4 32.Kb3 R2f3 33.d3 (33.Rae1 Qc6 34.Kc2 Qa4 35.Kc1 Rc3 36.Bc3 Bf5–+) 33...Rd3 34.Rae1 (34.Rhe1 Rc3 35.Bc3–+) 34...Rc3 35.Bc3 Ba4! 36.Ka4 (36.Ka4 Qc2 Mate attack) 36...Qc4 37.Ka3 Qc3 0–1. orangutanb4 (2050) – wychen (1730), kurnik, 2011.

7.Qc2 h6 8.Be2 c6 9.0–0 a5 10.a3 b6 11.d4 e4 (11...Re8 12.b5 Qc7 13.e4+=) 12.Nd2 (12.Ne4 Ne4 13.Qe4 d5+/–) 12...d5 13.cd5 (13.b5!? cb5 14.cd5+/– (worse is 14.cb5 Bb7=)) 13...cd5= 14.Qb3 Bb7 15.ba5 ba5 16.a4 (worse is 16.Qb7 Rb8 17.Qc6 Rb2+=) 16...Ba6 (16...Qb6!?=) 17.Ba6+/– Ra6 18.Nd5 Nb6? (better is 18...Nd5 19.Qd5 Nf6+/–) 19.Ne7+– Qe7 20.Ba3 Qe8 21.Bf8 Kf8 22.Qb5 Qb5 23.ab5 Ra8 24.Rfc1 Nfd5 (24...a4+–) 25.Ne4 a4 26.Nc5 (better is 26.Nd6 Nf6+–) 26...a3 (26...f5 27.Ne6 Kf7 28.Nc7+–) 27.e4 (better is 27.Na6 Ke7+–) 27...Nb4 28.Rcb1 (better is 28.f3 Ke7+–) 28...Nc2 29.Ra2 Nd4 30.Rba1?? (30.Kf1 Ke7 31.Rb4 Kd6+–) 30...Nc4? (better is 30...Nb5 31.Kf1 Ke7+/–) 31.b6!+– Nb3 (31...Nb6 32.Ra3 Deflection) 32.b7 Rd8 33.Rf1 (better is 33.Nb3 Rb8 34.Nc5+–) 33...Nc5+/– 34.Rc1?? (better is 34.Rc2 Nb7 35.Rc4+–) 34...Nb7–+ 35.h3 Nba5 36.Rc3 Rd1 37.Kh2 Rb1 38.f3 (38.Rca3 Na3 39.Ra3–+) 38...Rb2?? (38...Rb3 39.Rb3 Nb3 40.Kg3–+) 39.Raa3? (better is 39.Rca3 Ra2 40.Ra2+=) 39...Na3–+ 40.Ra3 Nc4 41.Ra8 (41.Rc3 Nd2–+) 41...Ke7 42.Rc8 (42.Kh1 g5–+) 42...Nd6 (better is 42...Ne3!? 43.Rc7 Kf6 44.h4–+) 43.Rc7 Ke6 44.Rc6 Kd7 45.Ra6 Rb7 46.Kg3 g6 47.h4 h5 48.Kf4 Nc4 49.Kg5 Ke7 50.g3 (50.Kf4 Nb2–+) 50...Ne5 51.Kf4 f6 52.Ra8?? (52.Ra3–+) 52...Rb3 53.Ra7 Ke6 (53...Kd8 54.Ra8 Kc7 55.Ra7 Kb6 56.Rb7 Kb7 57.g4 Rf3) 54.Ra6 Kf7 55.Ra7 Kg8 56.Ra8 Kg7 57.Ra7 Kh6 58.g4 (58.Rh7 Kh7 59.g4 Rf3) 58...Rf3 0–1. orangutanb4 (2020) – hamdija1948 (1880), kurnik, 2011.

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

6.d4 0–0

7.a3 e4 8.Nfd2 c6 9.Nc3 d5 10.Qb3 Nb6 11.h3 Be6 12.c5 Nbd7 13.Be2 b6 14.cb6 ab6 15.0–0 h6 16.Rfc1 Qb8 17.Qc2 Rc8 18.f3 ef3 19.Bf3 Nf8 20.e4 de4 21.Nce4 Nd5 22.Nc4 Bf5 23.Ne5 Ne3 24.Qe2 Nd5 25.Nc6 Qf4 26.Ne7 Ne7 27.Qd2 Qd2 28.Nd2 Rab8 29.Nc4 Be6 30.Nd6 Rc1 31.Rc1 Nd5 32.Kf2 Ng6 0–1. ferminkatcho (1705) – hamdija1948 (1825), internet, 2014.

7.Be2 e4 8.Nfd2=.

7.Be2 Ne4 8.Qc2 f5 (8...Ndf6 9.Bd3 Bf5 10.Nc3+–) 9.0–0+= Ndf6 (9...a5!?+=) 10.de5+/– de5 11.c5 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Be6 15.Nc3 (15.Rd1 Nd5+/–) 15...Nc3 16.Qc3 e4 17.Rd1 Qe8 18.Ng5 Nd5?? (better is 18...Bd7+/–) 19.Qg7 1–0. marekt – dulcie, ChessWorld.net, 2016.

6.d4 ed4

7.ed4 d5 8.c5= A) 8...a5 9.ba5 (9.b5 0–0 10.Bd3 b6 11.c6 Bb4 12.Nc3 Re8 13.Be2 Nf8 14.0–0=; 9.a3 ab4 10.ab4 Ra1 11.Ba1 0–0 12.Bd3 Re8 13.0–0 Nb8 14.Re1=) 9...0–0 10.Bd3 Ra5 11.0–0 Re8 12.Re1 Ra8 13.Nc3 c6 14.Rb1+=; B) 8...b6 9.Nc3 (9.Bd3 a5 10.Ne5 Ne5 11.de5 Ne4 12.Bb5 Bd7 13.Qd5 Bb5 14.Qe4=; 9.a3 0–0 10.Bd3 Re8 11.0–0 c6 12.Qc2 Qc7 13.Ne5 bc5 14.Nd7=; 9.Bb5 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 0–0 13.0–0 Ne4 14.Re1+=; 9.Qa4 a5 10.Bd3 0–0 11.0–0 Re8 12.Rc1 bc5 13.dc5 Ne4 14.Bd4=) 9...0–0 10.Bd3 c6 11.0–0 Re8 12.Re1 a5 13.b5 cb5 14.c6+=; C) 8...0–0 9.Bd3 a5 10.b5 b6 11.c6 Bb4 12.Nc3 Re8 13.Be2 Nf8 14.0–0=.

7.Bd4 c5 8.bc5 dc5 9.Bb2 0–0 10.Bd3 b6 11.0–0 Bb7 12.h3 Qc7 13.Qc2 h6 14.Nbd2= Rac8 15.Ne4 Rfe8 16.Nf6 Nf6 17.Bf6 Bf6=+ 18.Rad1 Bf3 19.gf3 Qc6 20.f4 Qf3 21.Kh2 Red8 22.Be2 Qb7 23.e4 Re8 24.Bd3 a6 25.e5= Bd8 26.Bh7 Kh8 27.Rd6 f6 28.e6 Bc7–/+ 29.Rd7? Re6 30.Qg6?? Bf4–+ (30...Bf4 31.Kg1 Qd7–+) 0–1. gtate (2005) – tjong (2170), net–chess.com, 2005.

7.Nd4 0–0 8.Qc2 A) 8...d5 9.cd5 (9.Nc3 Bb4 10.cd5 Nd5 11.Bd3 Bc3 12.Bc3 Nc3 13.Qc3 Ne5; 9.b5 Ne5 10.cd5 Nd5 11.Nc3 Bb4 12.Be2 Qg5 13.g3 Rd8; 9.a3 a5 10.b5 Ne5 11.cd5 Nd5 12.Nc3 Re8 13.Be2 Bg4; 9.c5 a5 10.a3 Ne5 11.Nc3 ab4 12.ab4 Ra1 13.Ba1 b6) 9...Bb4 10.Nc3 Nd5 11.Bd3 Nc3 12.Bc3 Bc3 13.Qc3 Ne5; B) 8...Ne5 9.Nc3 (9.Nd2 d5 10.c5 a5 11.b5 a4 12.Nf5 Bf5 13.Qf5 Ned7; 9.Be2 d5 10.0–0 Nc4 11.Bc4 dc4 12.Nd2 Bb4 13.Nc4 Qd5) 9...d5 10.cd5 Bb4 11.Be2 Nd5 12.0–0 Bc3 13.Bc3 Qd6; C) 8...a5 9.b5 (9.ba5 Ne5 10.Nc3 c5 11.Nb3 Be6 12.Nb5 Qc8 13.f3 h5) 9...Ne5 10.Nc3 Be6 11.f4 Neg4 12.Qd3 a4 13.h3 a3.

7.Nd4 0–0 8.Nc3 Nb6 (8...a5 9.b5 a4 10.a3 Ne5 11.Be2 c6 12.bc6 Qb6 13.Rb1 bc6; 8...c5 9.bc5 dc5 10.Nf3 Ng4 11.Bd3 Bf6 12.Qc2 g6 13.0–0–0 Re8; 8...Ne5 9.Be2 d5 10.cd5 Bb4 11.0–0 Bc3 12.Bc3 Nd5 13.Bb2 Re8) 9.Be2 (9.Qb3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 c5 13.bc5 dc5; 9.Qc2 Be6 10.Ne6 fe6 11.Bd3 d5 12.cd5 ed5 13.0–0 Bb4) 9...d5 10.c5 Nc4 11.Qb3 Nb2 12.Qb2 b6 13.cb6 ab6.

7.Nd4 0–0 8.Nd2 A) 8...d5 9.cd5 (9.b5 Bb4 10.a3 Bd2 11.Qd2 Nc5 12.Qc2 Re8 13.Be2 Qd6; 9.Bc3 a5 10.ba5 Nc5 11.Qc2 Bd7 12.Be2 Na4 13.0–0 c5; 9.a3 a5 10.c5 Re8 11.Be2 Ne5 12.0–0 ab4 13.ab4 Bg4; 9.c5 Ne5 10.Be2 Bd7 11.0–0 h6 12.Qc2 a5 13.a3 Nc6) 9...Nd5 10.e4 Nb4 11.a3 Nc6 12.Nc6 bc6 13.Bc4 Rb8; B) 8...Ne5 9.Be2 (9.Qc2 d5 10.c5 a5 11.b5 a4 12.Nf5 Bf5 13.Qf5 Ned7; 9.b5 Bg4 10.f3 Bd7 11.Be2 c5 12.bc6 bc6 13.0–0 c5; 9.Qb3 a5 10.ba5 c5 11.N4f3 Qa5 12.Bc3 Qc7 13.Be2 Bf5) 9...c5 10.bc5 dc5 11.N4f3 Nd3 12.Bd3 Qd3 13.Qb3 Bf5.

7.Nd4 0–0 8.Bd3 Ne5 9.Be2 (9.0–0 c5 10.Nf3 cb4 11.a3 Nd3 12.Qd3 d5 13.ab4 dc4; 9.Nf3 c5 10.0–0 cb4 11.a3 Nd3 12.Qd3 d5 13.ab4 dc4; 9.b5 d5 10.cd5 Nd5 11.Bh7 Kh7 12.Qh5 Kg8 13.Qe5 Nb4) 9...Bg4 (better is 9...c5 10.bc5 dc5+= 11.Nb5 Qd1 12.Kd1 Rd8 13.Ke1 Nd3; 9...d5 10.Nd2 Bb4 11.0–0 Bd2 12.Qd2 Nc4 13.Bc4 dc4) 10.Nd2?? (10.f3 Bd7= (10...Bc8 11.0–0 d5 12.cd5 Nd5 13.Qb3 a5) 11.0–0 a5 12.ba5 Ra5 13.Nc3 h6) 10...Be2?? (better is 10...Nd3! 11.Kf1 Nb2–+) 11.Qe2= Qd7 12.h3 (12.a3 a5=) 12...Nc6 (12...c5 13.bc5 dc5 14.N2f3 Nc4 15.Qc4 cd4 16.Bd4=) 13.a3 Nd4 14.Bd4 c5 15.Bc3 Qe6 16.0–0 Ne4 (16...Rfd8 17.Qf3=) 17.Ne4+= Qe4 18.Rad1 Rad8 19.Rd5 b6 20.Rfd1 f5 21.bc5 bc5 22.Ba5 Rc8 23.Qd3 Qd3 24.R1d3 Rc6 25.Rb3 g6 (25...Ra6 26.Bc7+=) 26.Rdd3 (26.Rb7 Ra6 27.Re7 Ra5 28.Rd6 Rf7+/–) 26...Bd8 27.Be1 Kg7 28.Rb7 Rf7 29.Rdb3 Bb6 (29...Ra6 30.Bc3 Bf6 31.Bf6 Kf6 32.Rb8=) 30.Bc3+= Kg8 31.Rb8 Rf8 32.Rf8 Kf8 33.Bf6 (33.Rb2!?+=) 33...Kf7 34.Bg5 Ke6 35.g4 (35.Rd3 Bc7=) 35...Rc7 (35...d5 36.Kg2+=) 36.Bf4 (36.Rd3 Rb7=) 36...Rd7= 37.gf5 gf5 38.Rd3 d5 39.cd5 Rd5 40.Rc3 Rd1 41.Kg2 Kd5 42.Bb8 c4 43.f3 (43.Rc2 Bc5–/+) 43...Rd3 44.e4 fe4 45.fe4 Kd4 (45...Ke4?! 46.Rc4 Kd5 47.Ra4+=) 46.Rc2? (better is 46.Rd3 Kd3 47.Kf3–+) 46...c3 (46...Ra3?! 47.e5–+) 47.Kf1 (47.Bf4 Ke4 48.Bc1–+) 47...Rd2 (better is 47...Rh3 48.Kg2 Rd3–+) 48.Rd2= cd2 49.Ke2 Ke4 50.Kd2 ½–½. Blasig,Volker (1855) – Zachmann,H (1660), Luxembourg op, 1996.

7.Nd4 0–0 8.Be2 A) 8...Nb6 9.Nd2 (9.Nc3 d5 10.c5 Nc4 11.Qb3 Nb2 12.Qb2 b6 13.Bf3 Be6; 9.0–0 d5 10.c5 Nc4 11.Bc4 dc4 12.Nd2 a5 13.b5 Bc5) 9...c5 10.bc5 dc5 11.Nb5 a6 12.Nc3 Qc7 13.a4 Be6; B) 8...Ne5 9.0–0 (9.Nc3 d5 10.cd5 Bb4 11.0–0 Bc3 12.Bc3 Nd5 13.Bb2 Re8) 9...d5 10.cd5 Nd5 11.Nc3 Nb4 12.f4 Nec6 13.Ne4 Nd4; C) 8...d5 9.b5 (9.0–0 Bb4 10.a3 Bd6 11.cd5 Nd5 12.Nc3 N7f6 13.Nd5 Nd5; 9.c5 a5 10.a3 Ne5 11.Nc3 Bg4 12.0–0 ab4 13.ab4 Ra1; 9.a3 Ne5 10.Nd2 a5 11.c5 Bg4 12.f3 Bh5 13.Nf5 Bg6) 9...Ne5 10.Nd2 dc4 11.0–0 Bg4 12.f4 c3 13.Bc3 Nd5.

7.Nd4 a5 A) 8.ba5 A1) 8...Ne5 9.Be2 (9.f4 Neg4 10.Qf3 0–0 11.Nc3 Ra5 12.h3 Nh6 13.Bd3 Nf5) 9...0–0 10.0–0 Ra5 11.Nc3 Bd7 12.Qb3 Ra6 13.f4 Rb6; A2) 8...Ra5 9.Nc3 (9.Be2 0–0 10.0–0 Nc5 11.Nc3 Bd7 12.Qc2 Ra6 13.Nb3 Na4) 9...0–0 10.Be2 Rg5 11.0–0 Nc5 12.Kh1 Bg4 13.f3 Bd7; A3) 8...Nc5 9.Be2 (9.Nc3 0–0 10.Be2 Ra5 11.0–0 c6 12.Qc2 Qb6 13.Rab1 Bd7) 9...0–0 10.Nc3 Ra5 11.0–0 Bd7 12.Qc2 c6 13.Nb3 Ra8; A4) 8...h6 9.Nc3 (9.Be2 0–0 10.Nc3 Ra5 11.0–0 c6 12.Qc2 Qc7 13.h3 Nc5) 9...0–0 10.Be2 Ra5 11.0–0 c6 12.Nb3 Ra8 13.Qc2 Ne5; A5) 8...0–0 9.Be2 (9.Nc3 Ne5 10.f4 Bg4 11.Qd2 Nc6 12.Nc6 bc6 13.Be2 Ra5) 9...Ne5 10.0–0 Ra5 11.Nc3 Bg4 12.f3 Bd7 13.Qb3 Qb8; B) 8.b5 B1) 8...0–0 9.Nc3 (9.Be2 Ne5 10.Nc3 Rb8 11.f4 Ned7 12.0–0 Nc5 13.Qc2 g6; 9.Nd2 Ne5 10.Be2 Bg4 11.0–0 Qd7 12.h3 Be2 13.Qe2 d5; 9.Qc2 Nc5 10.Nc3 a4 11.Be2 a3 12.Bc1 Bg4 13.f3 Be6) 9...Ne5 10.Be2 Bg4 11.f3 Bc8 12.0–0 g6 13.Qc2 Re8; B2) 8...Ne5 9.Be2 (9.Nc3 a4 10.f4 Neg4 11.Qf3 a3 12.Bc1 0–0 13.Be2 Nh6; 9.f4 Bg4 10.Qc2 Ng6 11.f5 Ne5 12.h3 Bh5 13.g4 Bg4) 9...c5 10.bc6 bc6 11.Nc3 Rb8 12.Qc2 0–0 13.f4 Neg4; B3) 8...Nc5 9.Be2 (9.Nc3 a4 10.a3 Bg4 11.f3 Be6 12.Ne6 fe6 13.Bd3 d5) 9...0–0 10.0–0 a4 11.a3 Be6 12.Nc3 Qd7 13.Ne6 fe6; B4) 8...a4 9.Be2 (9.Nd2 Ne5 10.Be2 0–0 11.0–0 Bd7 12.Qc2 g6 13.h3 c5; 9.Nc3 a3 10.Bc1 0–0 11.Be2 Nc5 12.0–0 Be6 13.Qc2 Qd7; 9.a3 Ne5 10.Nc3 Bg4 11.Qc2 Nfd7 12.h3 Bh5 13.Nf5 0–0; 9.Bd3 0–0 10.Nc3 a3 11.Bc1 Ne5 12.0–0 d5 13.Qe2 dc4) 9...0–0 10.0–0 Nc5 11.a3 d5 12.Nc3 Be6 13.cd5 Nd5.

7.Nd4 Ne5 8.Nc3 (8.Be2 c5 9.bc5 dc5 10.Nb5 Qd1 11.Kd1 Neg4 12.Ke1 0–0 13.h3 Nh6) A) 8...0–0 9.Be2 (9.Qc2 Bg4 10.f4 Nc6 11.Nc6 bc6 12.h3 Bd7 13.Bd3 Qb8) 9...d5 10.cd5 Bb4 11.0–0 Bc3 12.Bc3 Nd5 13.Bb2 Re8; B) 8...c5 9.bc5 dc5 10.Nf3 Nf3 11.gf3 0–0 12.Qb3 Qa5 13.0–0–0 g6.

7.ed4 0–0

8.Nc3 Nb6 (8...c5 9.a3 (9.bc5 dc5 10.Be2 cd4 11.Nd4 Qc7 12.0–0 Rd8 13.Ncb5 Qb6 14.Rb1=; 9.b5= Nb6 10.Be2 Re8 11.d5 a6 12.0–0 ab5 13.Nb5 Bg4 14.Nd2=) 9...a5 10.bc5 dc5 11.Be2 cd4 12.Nd4 Ne5 13.0–0 Re8 14.Rb1=; 8...d5 9.c5 Re8 10.Be2 Rb8 11.0–0 c6 12.Qa4 b6 13.Ne5 Ne5 14.de5=; 8...Re8 9.Be2 (9.d5 a5 10.ba5 Ne4 11.Ne4 Bf6 12.Bf6 Re4 13.Be2 Qf6 14.0–0+=) 9...a5 10.ba5 d5 11.0–0 Ra5 12.Qb3 dc4 13.Bc4 Rf8 14.Na4=; 8...a5 9.b5 (9.ba5 Re8 10.Bd3 d5 11.0–0 dc4 12.Bc4 Ra5 13.Qb3 Rf8 14.Na4=; 9.a3 d5 10.c5 ab4 11.ab4 Ra1 12.Qa1 Re8 13.Be2 c6 14.0–0=) 9...Re8 10.Be2 Nb6 11.0–0 Bg4 12.Na4 Na4 13.Qa4 d5 14.c5=; 8...a6 9.Bd3 (9.Be2 c5 10.bc5 dc5 11.d5 Re8 12.0–0 Bd6 13.Re1 Ne5 14.Qb3=) 9...c5 10.bc5 dc5 11.d5 b5 12.cb5 Nb6 13.a4 c4 14.Be2=) 9.Bd3= (9.d5 a5 10.ba5 Ra5 11.Bd3 Bg4 12.0–0 Rc5 13.Qe2 Bf3 14.gf3=; 9.Be2 Bg4 10.Qb3 d5 11.c5 Nc4 12.Nd5 Nb2 13.Ne7 Qe7 14.Kf1=) 9...Bg4 (9...d5 10.c5 Nc4 11.Bc1 a5 12.b5 b6 13.Qb3 Be6 14.Ng5=) 10.0–0 (10.d5 Nbd7 11.h3 Bf3 12.Qf3 Ne5 13.Qe3 c5 14.dc6=) 10...Bf3 (better is 10...d5!? 11.c5 Nc4 12.Bc4 (12.Bc1 Re8 13.h3 Bh5 14.Re1=) 12...dc4= 13.d5 a5 14.a3=) 11.Qf3+/– (worse is 11.gf3 a5 (11...c5 12.a3 cd4 13.Nb5 d5 14.c5=) 12.b5 Re8+= (12...a4 13.Re1 Re8 14.d5=) 13.Qc2 d5 14.c5=) 11...c6 12.Rfe1 Qc7 (12...Re8 13.d5 Nbd7 14.dc6 bc6 15.Ne4+/– (15.Qc6?! Ne5 16.Re5 de5=); 12...d5 13.c5 Nc4 14.Bc4+/–) 13.Ne4 (13.d5 Rae8 14.Ne4+/–) 13...d5?? (better is 13...Na4 14.Nf6 Bf6+/–; 13...Ne8 14.Nd2+/–) 14.Nf6+– Bf6 15.Qf5 g6 16.Qf6 Rfe8 (16...Qd8 17.Qd8 Rfd8 18.c5+–) 17.Bc3 Nd7 18.Qf3 Qd6 (18...dc4 19.Bc4 Nb6 20.d5 Re1 21.Re1+–) 19.c5 Qf8 (19...Qf6 20.Qg4 Re1 21.Re1+–) 20.Re8 (20.Qf4 Rac8+–) 20...Re8 21.Re1 (21.Qf4 Re7+–) 21...Re1 22.Be1 Qe7 (22...Qh6 23.Qd1+–) 23.Qe3 (23.Bd2 Qf6 24.Qg4 Nf8+–) 23...Qf8 (23...Qe3 24.fe3 f5 25.Bg3+–) 24.f3 h6 (24...Qd8 25.Bg3+–) 25.Bg3 Kg7 26.Bd6 (26.Bf4 Kh7+–) 26...Qd8 27.Qe7 (better is 27.Bf4 g5 28.Bd6 Qf6+–) 27...Qc8 (27...Qe7 28.Be7 f5+–) 28.h4 Nf8 (28...a5+–) 29.Be5 Kh7 (29...Kg8 30.Qf6 Qg4 31.Qg7) 30.Qf7 1–0. Piriyev,Maksat – Baran,Emrah, chessmoon.com, 2011.

8.Bd3 a5 A) 9.b5 d5= (9...Re8 10.0–0 d5 11.c5 Nf8 12.Re1 Bg4 13.Nbd2 Ne6 14.Qc2=) 10.c5 b6 11.c6 Bb4 12.Nc3 Re8 13.Be2 Nf8 14.0–0=; B) 9.ba5 d5 10.c5 Re8 11.0–0 Ra5 12.Re1 Ra8 13.Nc3 c6 14.Rb1+=.

8.Bd3 Nb6 9.Nbd2 Bg4 10.0–0 h6 (10...Re8 11.h3 Bh5 12.Re1+=) 11.Re1+= Re8 12.h3 Bd7 13.d5 Bf8 (13...Ba4 14.Qc1+=) 14.Re8+/– Qe8 (14...Ne8 15.Bd4+/–) 15.Bf6 gf6 16.Qc2 Bg7 17.Nb3 Qf8 18.Na5 Rb8 19.Re1 Nc8 (19...c6 20.dc6 bc6 21.Bh7 Kh8 22.Bf5+/–) 20.Bh7+– Kh8 21.Bf5 Bf5 (21...Qd8 22.Nh4+–) 22.Qf5 Ne7 (better is 22...Qd8+–) 23.Qd7 b6 24.Re7 ba5 25.Rf7 Qg8 26.b5 a6 (26...Rd8 27.Qc7 Rc8 28.Qa7 Rc4 29.b6 Rc1 30.Kh2+–) 27.ba6 Rb1 (27...Rd8 28.Qc7 Re8 29.a7+–) 28.Kh2 Rb2 (28...Rb8+–) 29.a7 Rf2 30.Nh4 f5 (30...Qf7 31.Qf7 Kh7 32.Qg6 Kh8 33.a8Q Bf8 34.Qf8) 31.Ng6+– Kh7 32.a8Q 1–0. Janek – Nicolas, internet, 2016.

8.Bd3 c5 9.a3=.

8.Bd3 d5 9.c5 a5 10.ba5 Ra5 11.0–0 Re8 12.Re1 Ra7 13.Nc3 c6 14.Rb1+=.

8.Bd3 Re8 9.0–0 a5 10.b5 d5 11.c5 Nf8 12.Re1 Ne6 13.Bc1 b6 14.c6+=.

8.Bd3 Re8 9.0–0 Nf8 10.h3 Ng6 11.Qc2 a6 12.Nbd2 b6 13.Rfe1 Bb7 14.d5 Nd7 15.Nd4 Bf6 16.Nf5 Bb2 17.Qb2 Qf6 18.Qf6 Nf6 19.g3 b5 20.Rac1 Re1 21.Re1 bc4 22.Bc4 Ne5 23.Bb3 g6 24.f4 Ned7 25.Nd4 Nb6 26.N2f3 Nbd5 27.a3 Kf8 28.Rc1 Re8 29.g4 Re7 30.g5 Ne4 31.f5 Ng3 32.f6 Rd7 33.Kf2 Ne4 34.Kg1 h6 35.h4 hg5 36.hg5 c5 37.Rc2 cd4 0–1. ferminkatcho (1760) – momcilo56 (1810), internet, 2014.

6.d4 e4

7.Nfd2 b6 8.Qc2 A) 8...0–0 A1) 9.Be2 Bb7 (9...d5 10.Nc3 Bb4 11.cd5 Bb7 12.0–0 Bc3 13.Bc3 Bd5 14.Rab1 Qe7; 9...c5 10.bc5 bc5 11.Nc3 cd4 12.ed4 Ba6 13.Nde4 Ne4 14.Ne4 Rc8; 9...b5 10.cb5 d5 11.a3 Nb6 12.0–0 Bd6 13.Nc3 Ng4 14.h3 Qh4; 9...c6 10.Nc3 d5 11.b5 cb5 12.cd5 b4 13.Nb5 a6 14.Qc6 Rb8) 10.Nc3 d5 11.b5 a6 12.cd5 ab5 13.Bb5 Nd5 14.Nde4 N7f6; A2) 9.a3 c5 (9...c6 10.Ne4 d5 11.Nf6 Nf6 12.cd5 Qd5 13.Nc3 Qg5 14.f4 Qh6; 9...Bb7 10.Nc3 Re8 11.Be2 d5 12.0–0 c6 13.Rfc1 Rc8 14.cd5 cd5) 10.Ne4 Bb7 11.Nbd2 Ne4 12.Ne4 f5 13.Ng3 g6 14.Be2 f4; A3) 9.Nc3 Bb7 (9...c5 10.bc5 bc5 11.Be2 cd4 12.ed4 Ba6 13.Nde4 Ne4 14.Ne4 Rc8) 10.Nde4 Ne4 11.Ne4 f5 12.Nc3 Bh4 13.Nd5 Nf6 14.Nf6 Qf6; B) 8...Bb7 9.Nc3 0–0 (9...d5 10.b5 0–0 11.cd5 Nd5 12.Nde4 Bb4 13.a3 Ba5 14.Bc4 Nc3) 10.a3 a5 11.b5 Re8 12.Be2 Bf8 13.0–0 g6 14.f4 Bh6; C) 8...c5 C1) 9.dc5 dc5 (9...0–0 10.Ne4 dc5 11.b5 Ne4 12.Qe4 Rb8 13.Nc3 Nf6 14.Qc2 Re8; 9...Bb7 10.c6 Bc6 11.Nc3 Ne5 12.Nde4 0–0 13.Rd1 Ne4 14.Ne4 Qc7; 9...bc5 10.b5 a6 11.Ne4 ab5 12.cb5 0–0 13.Nbd2 d5 14.Nf6 Bf6) 10.b5 0–0 11.Ne4 Bb7 12.Nbc3 Ne4 13.Ne4 Qc7 14.Rd1 Rad8; C2) 9.Ne4 Bb7 (9...cb4 10.Bd3 0–0 11.a3 d5 12.Nf6 Nf6 13.Nd2 Qc7 14.0–0 Be6; 9...0–0 10.bc5 bc5 11.Bd3 Rb8 12.Nbd2 Ne4 13.Be4 Nf6 14.Bd3 Bd7) 10.Nf6 Nf6 11.bc5 bc5 12.d5 0–0 13.Nd2 Qd7 14.Bd3 Rab8; C3) 9.Nc3 cb4 (9...cd4 10.ed4 0–0 11.Be2 Bb7 12.0–0 Rc8 13.a3 Re8 14.h3 d5) 10.Nce4 0–0 11.Bd3 Bb7 12.0–0 Qc7 13.f3 Ne4 14.Ne4 d5; C4) 9.Be2 cb4 (9...0–0 10.bc5 bc5 11.Nc3 cd4 12.ed4 Ba6 13.Nde4 Ne4 14.Ne4 Rc8; 9...Bb7 10.bc5 bc5 11.d5 0–0 12.Nc3 Ne5 13.0–0 Ba6 14.Rab1 Rb8) 10.a3 d5 11.ab4 Bb7 12.Nc3 Bb4 13.0–0 0–0 14.cd5 Bc3; C5) 9.bc5 bc5 (9...dc5 10.d5 0–0 11.Be2 Re8 12.Nc3 Bd6 13.Nde4 Ne4 14.Ne4 Be5) 10.Nc3 cd4 11.ed4 Bb7 12.Be2 Qc7 13.0–0 0–0 14.Nde4 Ne4; D) 8...c6 D1) 9.Ne4 d5 (9...0–0 10.Nbc3 d5 11.cd5 cd5 12.Nf6 Nf6 13.b5 Bd6 14.Bd3 Be6) 10.cd5 cd5 11.Nf6 Nf6 12.Nc3 0–0 13.b5 Qc7 14.Rc1 Bd6; D2) 9.Be2 d5 (9...0–0 10.Nc3 d5 11.b5 cb5 12.cd5 b4 13.Nb5 a6 14.Qc6 Rb8) 10.b5 cb5 11.cd5 Bb7 12.Nc3 b4 13.Nce4 Nd5 14.0–0 0–0; D3) 9.Nc3 0–0 10.Nde4 d5 11.Nf6 Nf6 12.c5 a5 13.cb6 Qb6 14.ba5 Ra5.

7.Nfd2 b6 8.Nc3 c6 (8...Bb7!?+= 9.Qc2 0–0 (9...c5 10.bc5 bc5 11.d5 0–0 12.Be2 Ne5 13.0–0 Ba6 14.Rab1 Rb8; 9...d5 10.b5 0–0 11.cd5 Nd5 12.Nde4 Bb4 13.a3 Ba5 14.Bc4 Nc3) 10.Be2 d5 11.a3 c6 12.0–0 Rc8 13.f3 ef3 14.Bf3 Re8; 8...0–0 A) 9.Nde4 Ne4 (9...a5 10.Qf3 Rb8 11.b5 Ne4 12.Ne4 Bb7 13.g4 Nf6 14.Bd3 Qd7) 10.Ne4 f5 11.Nc3 Bb7 12.Nd5 a5 13.Bd3 ab4 14.Qf3 Kh8; B) 9.Nce4 Ne4 (9...Bb7 10.Bd3 d5 11.cd5 Nd5 12.0–0 Nb4 13.Bc4 Nf6 14.f3 Nbd5; 9...d5 10.cd5 Nd5 11.b5 N7f6 12.Bc4 a6 13.Nf6 Nf6 14.a4 ab5; 9...a5 10.b5 Ne4 11.Ne4 f5 12.Nc3 Bb7 13.Bd3 Bg2 14.Rg1 Bh3; 9...c6 10.Bd3 d5 11.cd5 cd5 12.Nc3 Bb4 13.Qb3 Bc3 14.Qc3 a5) 10.Ne4 f5 11.Nc3 Bb7 12.Bd3 a5 13.b5 Bg2 14.Rg1 Bh3; C) 9.g4 c5 10.bc5 bc5 11.g5 cd4 12.ed4 Ne8 13.Nce4 Rb8 14.Bc3 f5; 8...a5 9.b5 0–0 (9...Bb7 10.Qc2 0–0 11.Be2 Qe8 12.0–0 Bd8 13.Rae1 h5 14.f3 ef3; 9...a4 10.Nde4 a3 11.Bc1 Ne4 12.Ne4 0–0 13.Bd3 Bb7 14.0–0 Nf6) 10.Qc2 Bb7 11.Be2 Qe8 12.0–0 Bd8 13.Rae1 g6 14.f3 ef3) 9.Nde4+/– (9.Be2 0–0 (9...a5 10.b5 cb5 11.Nb5 0–0 12.Qc2 Bb7 13.0–0 d5 14.h3 Rc8) 10.0–0 Bb7 11.Nde4 Ne4 12.Ne4 c5 13.Bd3 cb4 14.Qb3 Nf6; 9.Qc2 0–0 10.a4 Bb7 11.Nde4 d5 12.Nf6 Nf6 13.Bd3 Bb4 14.0–0 Qe7; 9.Qa4 Bb7 (9...Qc7 10.Nde4 Ne4 11.Ne4 f5 12.Ng3 0–0 13.Bd3 g6 14.0–0 Bb7) 10.Nde4 Ne4 11.Ne4 b5 12.cb5 cb5 13.Qc2 Rc8 14.Nc3 a5; 9.Nce4 d5 (9...0–0 10.Bd3 d5 11.cd5 cd5 12.Nc3 Bb4 13.Qb3 Bc3 14.Qc3 Bb7) 10.cd5 cd5 11.Nc3 0–0 12.Qb3 Bb7 13.Be2 Rc8 14.0–0 Qc7) 9...d5 (9...0–0 10.Bd3 d5 11.cd5 cd5 12.Nf6 Nf6 13.b5 Bd6 14.0–0 Be6; 9...Ne4 10.Ne4 d5 11.Nc3 Nf6 12.cd5 cd5 13.Bd3 0–0 14.b5 Bd6) 10.cd5 cd5 (10...Ne4 11.Ne4 cd5 12.Nc3 Nf6 13.Bd3 0–0 14.b5 Bd6) 11.Nf6 Nf6 12.b5 (12.Bd3 0–0 13.b5 Bd6 14.0–0 Be6) 12...Be6 (12...0–0 13.Bd3 Bd6 14.0–0 Be6) 13.Be2 (13.Rc1 0–0 14.Bd3 Rc8) 13...0–0 14.0–0 Qd7 (14...Rc8+/–) 15.a4 Bd6 16.Ba3 Ne4 (16...Rac8 17.Bd6 Qd6 18.Qd2+=) 17.Ne4+/– de4 18.Bd6 Qd6 19.Qd2 f5 20.f4 Rac8 21.Rfc1 Rf6 (21...Bd5!?+/–) 22.Rc8+– Bc8 23.Qc3 Bb7 24.Rc1 Rf8 (24...Bd5 25.Bc4 Qe6 26.Kf2+–) 25.Qc7 Qc7 (better is 25...Qa3 26.Bc4 Kh8+–) 26.Rc7 Rb8 (26...Bd5 27.Rd7 Be6 28.Ra7 Rb8+–) 27.Bc4 Kh8 (27...Kf8 28.Rf7 Ke8 29.Rg7+–) 28.d5 Rc8 (28...Bd5 29.Bd5 g5 30.fg5+–) 29.Rb7 Rc4 (29...g5 30.d6 gf4 31.Be6+–) 30.Ra7 (30.Rb8 Rc8 31.Rc8) 30...Rc1 31.Kf2 Rd1 (31...Rc2 32.Kg3 Kg8+–) 32.Ra8 1–0. Darkseid – Papa Lazarou, ChessWorld.net, 2011.

7.Nfd2 b6 8.g4 0–0 A) 9.g5 Ne8 10.Ne4 a5 11.b5 f5 12.gf6 Ndf6 13.Nbc3 d5 14.cd5 Ne4; B) 9.Nc3 h6 (9...c5 10.bc5 bc5 11.g5 cd4 12.ed4 Ne8 13.Nde4 f5 14.gf6 Nef6; 9...a5 10.b5 a4 11.g5 Ne8 12.Nce4 f5 13.gf6 Nef6 14.Rg1 Ne4; 9...Bb7 10.g5 Ne8 11.Nde4 f5 12.gf6 Nef6 13.Bd3 Ne4 14.Be4 Be4) 10.Nde4 a5 11.b5 Ne4 12.Ne4 Nf6 13.Bg2 Ra7 14.h3 Bb7; C) 9.Bg2 Bb7 (9...h6 10.Nc3 d5 11.cd5 Bb4 12.0–0 Bc3 13.Bc3 Re8 14.Rc1 Nf8; 9...d5 10.g5 Ne8 11.Nc3 Bb4 12.cd5 f5 13.gf6 Ndf6 14.Nde4 Ne4; 9...g6 10.Nc3 a5 11.b5 Bb7 12.0–0 a4 13.Nce4 a3 14.Bc3 d5; 9...Rb8 10.g5 Ne8 11.Nc3 Bg5 12.Nde4 Bb7 13.Qa4 a5 14.Rg1 Bh4; 9...Ba6 10.b5 Bb7 11.Nc3 a6 12.g5 Ne8 13.Be4 Be4 14.Nde4 Bg5) 10.Nc3 c5 11.bc5 dc5 12.0–0 h5 13.Nde4 cd4 14.ed4 Ne4.

7.Nfd2 Nb6 8.Qc2 (better is 8.Be2=) 8...Bg4 (better is 8...d5!?=) 9.Ne4+/– d5 (9...Ne4 10.Qe4 Qc8 11.d5+/–) 10.Nf6 Bf6 11.c5 Nc4 (11...Nc8 12.Bd3+/–) 12.Bc4+– dc4 13.Qc4 Qd7 (13...0–0 14.Nc3+–) 14.b5 (14.0–0 Be6 15.Qe2 0–0+–) 14...Qe6 (14...Be6 15.Qe2+–) 15.Qe6 (15.d5 Qf5 16.Bf6 Qf6+–) 15...Be6 16.Nd2 0–0 (16...a6 17.a4+–) 17.0–0 (17.Ne4 Be7+–) 17...Bd7 (17...Rfe8 18.a4+–) 18.a4 a6 19.b6 cb6 20.cb6 Rac8 21.Rfc1 (21.Ne4 Be7+–) 21...Rc1 22.Bc1 Bd8 (22...Rc8 23.a5+–) 23.a5 Re8 (23...Be7 24.Ba3 Ba3 25.Ra3+–) 24.e4 (24.Ba3 Bc6+–) 24...Bg5 (24...h6 25.f4+–) 25.e5 (25.Nf3 Bd8 26.Ne5 Bb5+–) 25...Bd2 (25...Rc8 26.Nb3 Be7 27.Be3+–) 26.Bd2 Bb5 (26...Rc8 27.f3+–) 27.f4 (27.Rc1 f6 28.f4 Rd8+–) 27...f6 (27...Rd8 28.Bc3+–) 28.g4 (28.Rc1 Rd8 29.e6 h5+–) 28...h6 (28...Rd8 29.Bc3+–) 29.Re1 Re6 (29...fe5 30.de5 Rd8 31.Be3+–) 30.f5 (30.Kf2 fe5 31.de5 Rc6+–) 30...Rc6 31.Rc1 (31.e6!? Rc4 32.Be3 Bc6+–) 31...Rc1 32.Bc1 Kf7 (32...fe5 33.de5 h5+–) 33.e6 Ke7 34.Ba3 Kd8 35.Bf8 (better is 35.d5 h5+–) 35...Ke8 (35...g6 36.fg6 Bc4 37.e7 Ke8 38.Kf2+–) 36.Bg7 Ke7 37.Bh6 (37.Bh6 Be2 38.h3+–) 1–0. Suess,Stefan – Hoge, corr, 1985.

7.Nfd2 c6 8.a3 d5 9.Nc3 0–0 10.Be2 Bd6 11.0–0 Qe7 12.cd5 cd5 13.Qb3 Nb6 14.a4 Be6 15.a5 Nbd7 16.b5 b6 17.a6 Rac8 18.Rac1 h5 19.Rc2 Ng4 20.h3 Ngf6 21.Rfc1 g5 22.Na4 g4 23.Rc8 Rc8 24.Rc8 Kg7 25.hg4 hg4 26.Qd1 g3 27.f3 ef3 28.Bf3 Nf8 29.Rc2 Ng6 30.Nf1 Nh4 31.Qe2 Nf3 32.gf3 Nh5 33.Bc1 Qh4 34.e4 Bh3 35.Nb6 g2 36.e5 gf1Q 37.Qf1 Bf1 38.Kf1 Ng3 39.Kg2 Bb4 40.Nd5 Be1 41.f4 Nf5 42.Rc3 Qf2 43.Kh3 Nh6 44.Nf6 Qf1 45.Kh2 Qf2 46.Kh3 Qf1 47.Kh2 Ng4 48.Ng4 Qe2 49.Kh3 Qf1 50.Kh2 Qe2 51.Kh3 Qf1 52.Kh2 ½–½. ognos – cidam, internet, 2014.

7.Nfd2 c6 8.Nc3 d5 9.a3 a6 10.Be2 b5 11.cd5 cd5 12.0–0 Nb6 13.f3 ef3 14.Bf3 Nc4 15.Qc2 Ne3 16.Qd3 Nf1 17.Rf1 0–0 18.Nb3 Bg4 19.Nc5 Bc5 20.dc5 Be6 21.Ne2 Rc8 22.Nd4 Kh8 23.h3 Qd7 24.Re1 Rfe8 25.Bd1 Ne4 26.Bc2 Bf5 27.Qf3 Bg6 28.Bc1 h6 29.Bf4 Ng5 30.Re8 Re8 31.Qd1 Bc2 32.Qc2 Ne4 33.c6 Qe7 34.c7 Rc8 35.Qc6 Qh4 36.Qc1 Qf2 37.Kh1 1–0. ognos – prometehus120, internet, 2014.

7.Nfd2 c6 8.Nc3 d5 9.Qb3 Nb6 10.c5 Nbd7 11.h3 0–0 12.Be2 b6 13.0–0 a5 14.a3 b5 15.f3 ef3 16.Bf3 a4 17.Qc2 h6 18.Rae1 Nh7 19.e4 de4 20.Nde4 Ra6 21.d5 cd5 22.Nd5 Bg5 23.Ng5 Qg5 24.Nc7 Rg6 25.Nb5 Ndf6 26.Re5 Qg3 27.Kh1 Ng5 28.Qf2 Nf3 29.Qf3 Qf3 30.Rf3 Bb7 31.Rf2 Ne4 32.Re4 Be4 33.Nd6 Bd5 34.Nf5 Kh7 35.Ne7 Rg5 36.Nd5 Rd5 37.Rc2 Rc8 38.Kg1 Kg6 39.Kf2 f6 40.g4 Kf7 41.Kf3 Ke6 42.Re2 Kd7 43.Ke4 Re8 44.Kd5 Re2 45.c6 Kc7 46.b5 Rb2 0–1. ferminkatcho (1750) – hamdija1948 (1880), internet, 2013.

7.Nfd2= c6 8.Nc3 d5 9.b5 (9.Qb3 Nb6=) 9...Nb6 (9...0–0 10.Qb3 Nb6 11.c5+=) 10.Be2 (10.c5 Nbd7=) 10...Be6 (10...cb5 11.cd5 Bb4 12.Bb5 Bd7 13.Qb3 Bc3 14.Bc3 Bb5 15.Qb5 Qd7 16.Rb1 Qb5 17.Rb5 Nbd5 18.Bb2=) 11.c5 Nc8 12.a4 Bd7 13.0–0 0–0 14.Qb3 (14.f3 ef3 15.Nf3 Qc7+=) 14...Qc7= 15.f3 Be6 (15...ef3 16.Nf3 b6 17.cb6 Nb6 18.Ne5+=) 16.fe4 Ne4 17.Nce4 de4 18.Bc4 Bc4 19.Qc4 Bg5 20.Qb3 Qe7 (20...Re8!?+/–) 21.Rf5+– Bf6 (21...Bh6 22.Re5 Qd7 23.Re4+–) 22.Raf1 (22.Rf4 Bg5 23.Re4 Qd7+–) 22...Re8 (22...cb5 23.ab5 a5 24.ba6 Ra6 25.R1f4+–) 23.R5f4 Qe6 24.Re4 Qd7 25.bc6 (25.Re8 Qe8 26.e4 Qd7+–) 25...bc6 26.Qb7 (26.Re8!? Qe8 27.Nc4 Qd7+–) 26...Nb6+/– (26...Qb7?? 27.Re8) 27.Qd7 Nd7 28.Re8 Re8 29.Nc4 Bg5 30.Rf3 (30.Kf2 Nf6 31.Ne5 Re6+–) 30...Nf6 31.Ne5 (31.Bc3 Ne4 32.Be1 h5+/–) 31...Re6 (31...Rb8 32.h4 Bh4 33.Ba3+=) 32.Bc1 a6 (32...h6 33.Kf1+/–) 33.Rf2 g6 34.Rb2 Nd5 35.Kf2 (35.Rb8 Kg7+–) 35...f6 (35...Bf6 36.Nc4+/–) 36.Nc4 Kf7 (36...f5 37.Rb8 Kg7 38.Ra8+–) 37.Rb6 (37.Rb6 Re7 38.Rc6+–) 1–0. Kilpatrick,Robert – Hall,F, corr, 1981.

7.Nfd2 d5 8.Qb3 A) 8...0–0 9.Nc3 dc4 (9...a5 10.ba5 Ra5 11.Be2 c6 12.0–0 Nb6 13.cd5 cd5) 10.Bc4 Nb6 11.Nde4 Ne4 12.Ne4 Nc4 13.Qc4 Be6; B) 8...dc4 9.Bc4 0–0 10.Nc3 Nb6 11.Nce4 Ne4 12.Ne4 Nc4 13.Qc4 Be6; C) 8...h6 C1) 9.Be2 0–0 (9...dc4 10.Nc4 Nb6 11.0–0 0–0 12.Nbd2 Nc4 13.Bc4 Qd6) 10.Nc3 dc4 11.Bc4 Nb6 12.Nde4 Ne4 13.Ne4 Nc4; C2) 9.Nc3 0–0 10.Be2 a5 11.ba5 Ra5 12.cd5 Nb6 13.Nde4 Ne4; D) 8...a5 9.ba5 0–0 (9...Ra5 10.Nc3 0–0 11.Be2 dc4 12.Nc4 Rg5 13.0–0 Re8) 10.Nc3 c6 11.cd5 Qa5 12.Nc4 Qc7 13.dc6 bc6.

7.Nfd2 d5 8.b5=.

7.Nfd2 d5 8.cd5 Bb4 9.Qb3 (9.a3 Bd2 (9...Ba5 10.Qa4 Bd2 11.Nd2 0–0 12.Qc2 Re8 13.d6 cd6) 10.Nd2 Nb6 11.Qc2 Bf5 12.Bb5 Kf8 13.0–0 Nbd5; 9.Qa4 Bd2 (9...Qe7 10.a3 Bd2 11.Nd2 Nd5 12.Bc4 N5b6 13.Qc2 Nc4) 10.Nd2 0–0 11.Qc2 Re8 12.d6 cd6 13.Be2 Nb6) 9...Bd2 (9...Qe7 10.a3 Bd6 11.Be2 0–0 12.Nc3 Nb6 13.0–0 a5) 10.Nd2 0–0 (10...Nb6 11.Bb5 (11.f3 ef3 12.e4 fg2 13.Bg2 0–0) 11...Bd7 12.Bc4+= (12.Be2 0–0 13.0–0 Ba4) 12...0–0 13.a4 Qe8) 11.Rc1 (11.Ba3 Re8= 12.d6 cd6 13.Nc4 Nb6; 11.f3 Re8 12.Be2 ef3 13.gf3 Nb6) 11...Nb6+= 12.Bc4 (12.Rc5 a5 13.Be2 Re8) 12...Nc4 13.Qc4 (worse is 13.Rc4 b6–/+ (13...Qd5?! 14.Ba3 c5 15.Rc5=; 13...Re8–/+)) 13...Nd5 (13...Qd5+=) 14.Ne4 c6 (14...Re8 15.Nc3 Nc3 16.Rc3+=) 15.0–0 Re8 16.Ng3 (16.Nc5 Qg5 17.Rfe1 Bh3+=) 16...Be6+= 17.Qc5 Qb6 18.Qb6 Nb6 19.Ra1 (19.a3 f5+=) 19...Nc4 20.Rfb1 f5 21.Nh5 Nb2 (21...Bd5!? 22.Bc3 b6+=) 22.Rb2= b6 23.a4 Bc4 (23...Rad8 24.a5 b5 25.Rc1=) 24.Rb4 (24.Ng3 g6=) 24...b5 25.ab5 cb5 26.Ra6 Kf7 27.h4 h6 (27...Re7 28.Kh2=) 28.Nf4 Re7 (28...Rec8 29.Ng6=) 29.Ng6 Rc7 30.Ne5 Kf8 (30...Ke8!?+=) 31.Kh2+/– Rac8 (31...Rd8 32.Kg3+/–) 32.Kg3 (32.Nc4?! bc4 33.Rb5 f4 34.Rf5 Ke8 35.Re5 Kf7 36.Rf5 Kg8 37.ef4 c3+=) 32...Bf1 (32...Ke8 33.Kf4+– (33.Nc4?! bc4 34.Rb2 c3=)) 33.Ra1 (33.Rb1 Bc4+/–) 33...Bc4 34.Kf4 (34.Nc4?! bc4 35.Rb5 Rf7+=) 34...Bd5 (34...Kg8 35.h5+/– (35.Nc4?! bc4 36.Kf5 Rf8 37.Ke5 Rf2+=)) 35.f3 (35.Rb5 Bg2 36.Kf5 Ke7+–) 35...Rb7 (35...Bc4 36.Kf5 (worse is 36.Nc4 bc4 37.Kf5 c3+/–) 36...Rd8 37.Ra6+–) 36.Kf5 Kg8 (36...Bc4 37.e4+–) 37.Ra5 Rf8 (37...Bc4 38.Nc4 Rf7 39.Kg4 bc4 40.Rc5 Rc5 41.dc5+–) 38.Kg4 h5 (38...Be6 39.Kg3+–) 39.Kh5 g6 (39...Rf5 40.Kg6 Rf6 41.Kg5+–) 40.Kg4 (40.Ng6 Bf7 41.Ra6 Kh7+–) 40...Be6 41.Kg3 1–0. Cerny,Lumir – Cominetti,Marco, Open Teplice CZE, 2006.

7.Nfd2 d5 8.cd5 Nb6 9.a3 (9.Nc3 Bb4 10.d6 Qd6 11.Qc2 Qe7 12.a3 Bc3 13.Bc3 Nbd5; 9.Qb3 Qd5 10.Nc4 0–0 11.Nc3 Qg5 12.h4 Qf5 13.Be2 Ng4) 9...Nbd5 10.Nc3 Nc3 11.Bc3 0–0 12.Qc2 Bf5 13.Be2 Qe8.

7.Nfd2 0–0

8.Nc3 a5 9.b5 c6 10.Nce4 Ne4 11.Ne4 cb5 12.cb5 Nb6 13.Bd3 Nd5 14.0–0 Nb4 15.Bb1 Bf5 16.a3 Nd5 17.Nf6 Bf6 18.Bf5 Nb6 19.Rc1 d5 20.Rc5 Be7 21.Rc1 Nc4 22.Qe2 Ba3 23.Ba3 Na3 24.Bh7 Kh7 25.Qd3 Kg8 26.Qa3 b6 27.Rc6 Rb8 28.Rfc1 Qg5 29.g3 Qf5 30.Qb3 Rfd8 31.Kg2 Qe4 32.f3 Qf5 33.Rc7 Rd6 34.Re7 Rf6 35.f4 Rc8 36.Rc8 Qc8 37.Qd5 Qc2 38.Kf3 Qd1 39.Ke4 Qh1 40.Ke5 Qh2 0–1. ferminkatcho (1765) – hamdija1948 (1745), internet, 2013.

8.Nc3 c5 9.bc5 dc5 10.d5 a6 11.Be2 Nb6 12.a4 Bd7 13.0–0 Nc8 14.Nce4 Ne4 15.Ne4 b6 (15...f5!? 16.Nd2 b6+/–) 16.d6+– Bf6? (better is 16...Bh4 17.g3 Bc6+–) 17.Nf6 gf6 18.Qd5 Na7 (18...Ne7 19.de7 Qe7+–) 19.Qf3 Bc6 (19...h5 20.Qg3 Bg4 21.Bg4 hg4 22.Qg4 Kh7 23.Qf5 Kg8 24.Bf6 Qf6 25.Qf6+–) 20.Qf4 Kh8 (20...Re8 21.Bf6 (21.Qf6?! Qf6 22.Bf6 Re6+–) 21...Qf6 22.Qf6+–) 21.Bf6 Qf6 22.Qf6 (22.Qf6 Kg8 23.Bd3+–) 1–0. Janek – Vance, internet, 2016.

8.Nc3 d5 9.cd5 Bb4 10.Qb3 Bc3 11.Bc3 Nb6 12.Be2 Nbd5 13.Bb2 b6 14.0–0 Bb7 15.Rac1 c6 16.Rfe1 Re8 17.Nc4 h6 18.Ne5 Qd6 19.f3 b5 (19...Rad8 20.Rf1 Re7 21.fe4 Ne4 22.Nc6 Bc6 23.Ba3–/+) 20.fe4 Ne4 21.Bd3 Nef6?? (better is 21...f5=) 22.e4+– Nb4? (better is 22...a5 23.ed5 Nd5+–) 23.Qf7 Kh8 (23...Kh7 24.Qb7 Rac8 25.Qf7 Nd3 26.Nd3+–) 24.Ng6 (24.Qb7 Qe6 25.Bb1 Rab8+–) 24...Kh7 25.e5 (25.Qb7 Nd3 26.Rc6 Qb8=) 25...Qe6 (25...Nd3 26.ed6 Ne1+–) 26.Nf8 (26.Qb7 Nd3 27.Nf4 Nf4 28.ef6 Qf6–+) 26...Kh8 27.Ne6 (27.Ne6 Nh5 28.Nc5 Nd3 29.Nd3+–) 1–0. Janek – Gustave, internet, 2016.

8.Nc3 d5 9.cd5 Bb4 10.Qb3 Bc3 11.Bc3 Nb6 12.Be2 Nbd5 13.Bb2 b6 14.0–0 Bb7 15.Rac1 Re8 16.Nc4 Qe7 17.Ba3 Qe6 18.Ne5 c5 19.Bb2 cd4 20.Bd4 Rac8 21.h3 Qd6 22.a3 Nd7 23.Nd7 Qd7 24.Bb5 Bc6 25.Bc6 Rc6 26.Rc6 Qc6 27.Qb2 f6 28.Rc1 Qe6 29.Qb5 h5 30.a4 Re7 31.a5 Qf5 32.ab6 ab6 33.Bb6 Ne3 34.Qb3 Nd5 35.Rd1 Rd7 36.Qc4 Kh7 37.Bc5 h4 38.Rd4 Kg6 39.Re4 Nf4 40.Rf4 Rd1 41.Kh2 Qe6 42.Be3 Qc4 43.Rg4 Kf5 44.Rc4 Ke6 45.Rc5 Kf7 46.Rb5 Kg6 47.Rb6 1–0. ferminkatcho (1715) – lena27 (1675), internet, 2013.

8.Nc3 Re8 9.Nce4 Ne4 10.Ne4 Nf8 11.a3 Bh4 12.Ng3 Qg5 13.Be2 Ng6 14.0–0 c6 15.Bf3 Qh6 16.b5 Bd7 17.a4 Bg5 18.Ba3 Nh4 19.Bg4 f5 20.Bh3 Rad8 21.Qh5 Qf6 22.bc6 Bc6 23.d5 Bd7 24.Rab1 Bc8 25.Bb2 Qe7 26.Bd4 g6 27.Qd1 Bf6 28.Ba7 Be5 29.Bd4 Qf6 30.a5 f4 31.ef4 Qf4 32.Be5 Re5 33.Bc8 Rc8 34.Rb7 Rg5 35.a6 Nf5 36.a7 Ng3 37.hg3 Qf8 38.Qa4 Ra8 39.Qd7 Rh5 40.Qe6 Kh8 41.c5 Re5 42.Qd6 Qd6 43.cd6 Rd5 0–1. ferminkatcho (1770) – salcifufuu (1860), internet, 2013.

8.Nc3 Re8 9.Nce4 Ne4 10.Ne4 Bh4 11.Ng3 Nf6 12.Be2 Ne4 13.d5 Qg5 14.Bf3 Ng3 15.hg3 Bg3 16.fg3 Qe3 17.Qe2 Qe2 18.Be2 Bg4 19.0–0–0 Re2 20.Rd2 Rae8 21.Rf1 Rd2 22.Kd2 Re2 23.Kc3 Rg2 24.Re1 Re2 25.Re2 Be2 26.Kd4 f5 27.a4 g5 28.c5 h5 29.cd6 cd6 30.b5 h4 31.gh4 gh4 32.Ke3 Bd1 33.a5 h3 34.Kf2 Bf3 35.Kg3 Bd5 36.Kh3 f4 37.Kg4 f3 38.Kg3 Kf7 39.a6 ba6 40.ba6 Ke6 41.Bd4 Bc6 42.Ba7 Ke5 43.Bb8 Ke6 44.Kf2 Be4 45.Ba7 Kf5 46.Be3 Ba8 47.a7 Ke4 48.Bb6 d5 49.Bd8 d4 50.Bg5 d3 51.Bd2 Kd4 52.Kf1 Kc4 53.Ke1 Kb3 54.Bg5 Kc2 55.Bf4 Be4 56.Bg5 Kc3 57.Be3 Kc2 58.Bf4 Kc3 59.Bd2 Kd4 60.Bf4 Kc5 61.Be3 Kb5 62.Kd2 Ka6 63.Bf2 Kb5 64.Bd4 Kc4 65.Bf2 Kb3 66.Bd4 Kc4 67.Bf2 Ba8 68.Be3 Be4 69.Bf2 ½–½. orangutandu – stoula, internet, 2013.

5.Nf3 g6

6.Nc3 a5 A) 7.a3 A1) 7...Nb6 8.d4 (8.Be2 Be6 9.Qb3 a4 10.Qa2 Bg7 11.Ng5 Qe7 12.Ne6 fe6 13.e4+=; 8.d3 Bg7 9.Be2 0–0 10.0–0 Re8 11.b5 Qe7 12.e4 Bh6 13.Na4=; 8.Na4 Na4 9.Qa4 Bd7 10.b5 Bg7 11.Be2 e4 12.Nd4 0–0 13.0–0+=; 8.b5 Bg7 9.Be2 Be6 10.d3 0–0 11.0–0 Nfd7 12.Nd2 Nc5 13.Nde4=; 8.c5 ab4 9.ab4 Ra1 10.Qa1 Nbd7 11.d4 ed4 12.ed4 Bg7 13.Be2+=) 8...ab4 9.ab4 Ra1 10.Ba1 e4 11.Nd2 Bg4 12.Qb1 Bf5 13.d5+=; A2) 7...Bg7 8.d3 (8.e4 ab4 9.ab4 Ra1 10.Qa1 0–0 11.Be2 Nh5 12.0–0 Nf4 13.Re1=; 8.d4 ed4 9.Nd4 ab4 10.ab4 Ra1 11.Ba1 0–0 12.Be2 Re8 13.0–0=; 8.Be2 0–0 9.e4 Nh5 10.0–0 Nf4 11.Nd5 Nd5 12.ed5 Re8 13.Re1=) 8...ab4 9.ab4 Ra1 10.Qa1 Nb6 11.Be2 0–0 12.0–0 Qe7 13.Qa7+=; A3) 7...ab4 8.ab4 Ra1 9.Qa1 Bg7 10.Be2 0–0 11.0–0 Re8 12.e4 Nh5 13.Qa7=; B) 7.ba5 B1) 7...Ra5 8.d4 (8.Be2 Bg7 9.0–0 0–0 10.d4 Re8 11.de5 Ne5 12.Ne5 Ree5 13.Qb3=) 8...Bg7 9.Bd3 Qe7 10.Be2 0–0 11.0–0 b6 12.Nd2 Re8 13.Bf3=; B2) 7...Bg7 8.d4 (8.Be2 0–0 9.d4 Ra5 10.0–0 Re8 11.de5 Ne5 12.Ne5 Ree5 13.Bf3=; 8.a6 ba6 9.Be2 0–0 10.d4 ed4 11.Nd4 Ne5 12.0–0 Rb8 13.Rb1=) 8...0–0 9.Be2 Ra5 10.0–0 Re8 11.de5 Ne5 12.Ne5 Ree5 13.Qb3=; C) 7.Qa4 Bg7 8.d4 (8.a3 0–0 9.d4 ed4 10.Nd4 Ne5 11.b5 Nfd7 12.Qc2 Re8 13.Rd1=; 8.Be2 0–0 9.0–0 e4 10.Ne1 Nb6 11.Qc2 Bf5 12.b5 a4 13.a3+=; 8.e4 0–0 9.Be2 Nb6 10.Qb3 ab4 11.Qb4 Nh5 12.a4 Nf4 13.a5+=; 8.c5 0–0 9.cd6 cd6 10.b5 e4 11.Nd4 Nc5 12.Qc2 Be6 13.Rc1=; 8.ba5 0–0 9.Be2 Nc5 10.Qb4 e4 11.Nd4 Nd3 12.Bd3 ed3 13.Nb3=) 8...ed4 9.Nd4 0–0 10.ba5 Re8 11.Be2 Re5 12.Nb3 Nc5 13.Qa3=; D) 7.b5 Bg7 8.d3 (8.d4 ed4 9.ed4 0–0 10.Be2 d5 11.c5 Ne4 12.Rc1 Re8 13.0–0=; 8.Be2 0–0 9.d4 ed4 10.ed4 d5 11.c5 Ne4 12.Rc1 Re8 13.0–0=) 8...0–0 9.Be2 Nb6 10.0–0 a4 11.a3 Re8 12.Rc1 Qe7 13.Nd2=.

6.Nc3 c6 7.Be2 Bg7 8.Qc2 0–0 9.h4 h5 10.Ng5 Nh7 (better is 10...Qb6!?=) 11.Nh7+/– Kh7 12.Bh5 f5 13.Be2 e4 14.h5 g5 15.0–0–0 Qb6 16.a3 Ne5 17.d4 Nf7 18.Na4 Qc7 19.g4! Nh6 (19...fg4 20.Qe4 Double attack (20.Qe4 Deflection; 20.Qe4 Decoy)) 20.gf5 Bf5 21.Rdg1 g4 22.Nc3 Rae8 23.Qd1 Qf7 24.Rh2 a5 25.b5 Rb8 26.b6 c5 27.Nb5 Qf6 28.Qc2 Qd8 29.Nc7 Qg5 30.d5 Nf7 31.Bg4! Kh8 (31...Bg4 32.Bg7 Decoy) 32.Rhg2 Bb2 33.Qb2 Ne5 34.Bf5 Qf5 35.Ne6 Rg8 36.Nf4 Kh7 37.Qc2 Nf3 38.Rg8 Rg8 39.Rg8 Kg8 40.Qa4 Qe5 41.Qe8 (better is 41.Kc2 Ne1 42.Kb1+–) 41...Qe8–+ 0–1. combijack (1765) – jazzas (1700), gameknot.com, 2010.

6.d4 e4 7.Nfd2=.

6.d4 Qe7 7.Be2 Bg7 8.0–0 0–0 9.Nc3 e4 10.Nd2 Re8 11.a3 Nf8 (11...c6 12.Qc2+=) 12.Rc1 c6 13.b5 (13.Qc2 Bf5+=) 13...Bd7 14.Qb3 a6 15.b6 Rac8 16.Rfe1 Bf5 17.Nf1 Be6 18.Ng3 d5 19.a4 (19.cd5 Nd5 20.Nce4 Nd7+=) 19...dc4= 20.Bc4 Bc4 21.Qc4 N8d7 (21...a5 22.Qc5=) 22.a5 Bf8 23.Qa2 Qb4 24.Red1 Rcd8 (24...Bd6!?+=) 25.d5+/– Nd5 26.Nd5 cd5 Opening the c–file gets White a lot of play 27.Rd4 Qd6 28.Qd5 (28.Rd5?! Qe6 29.Rcd1 Nc5+=) 28...Qd5 29.Rd5 Be7 30.Ne4 f5 31.Ng3 Nb8 32.Rd8 Bd8 33.Ne2 Nc6 34.Bc3 Be7 35.h3 Bd6 36.Nd4 Ne7 37.g4 Rc8 38.gf5 gf5 39.Ne2 (39.Rc2 Kf7+/–) 39...Rc5 40.Rd1 Rd5 41.Rd4 Kf7 42.Kg2 Rd4 43.Nd4 (43.Bd4?! Bb4=) 43...Bc5 44.Kf3 Nd5 45.Bd2 Bd4 46.ed4 Ke6 47.Ke2 Ne7 48.Ke3 Kd5 49.Kd3 Nc6 50.Bc3 Ne7 51.f3 Ng6 ½–½. Schuelert,Peter – Kahl,Karl_Heinz, BdF, 1998.

6.Nc3 Bg7

7.d3 A) 7...a5 8.a3 (8.b5 0–0 9.Be2 Nb6 10.0–0 a4 11.a3 Qe7 12.Rc1 Re8 13.Nd2=) 8...0–0 9.Be2 ab4 10.ab4 Ra1 11.Qa1 Re8 12.0–0 Qe7 13.Qa5+=; B) 7...Nb6 8.a3 (8.Be2 a5 9.b5 a4 10.0–0 0–0 11.a3 Bg4 12.Rc1 Bf5 13.Nd2+=; 8.Rc1 0–0 9.Be2 a5 10.b5 Re8 11.0–0 Qe7 12.a4 Bg4 13.h3=; 8.Qb3 0–0 9.Be2 a5 10.0–0 ab4 11.Qb4 Re8 12.a4 Nbd7 13.a5=) 8...Bg4 9.Be2 0–0 10.0–0 a5 11.Nd2 Be2 12.Qe2 d5 13.c5+=; C) 7...Qe7 8.d4 (8.a3 Nb6 9.Be2 Bg4 10.0–0 h5 11.h3 Be6 12.e4 Bd7 13.Bc1+=; 8.Qc2 0–0 9.Be2 a5 10.b5 Nc5 11.0–0 a4 12.a3 Re8 13.Rad1=; 8.Be2 a5 9.b5 0–0 10.0–0 Re8 11.d4 Nb6 12.Na4 Na4 13.Qa4=; 8.Nb5 Nb8 9.Qa4 c6 10.Nc3 Nbd7 11.Be2 Nb6 12.Qc2 0–0 13.0–0=) 8...e4 9.Nd2 0–0 10.g4 a5 11.b5 c6 12.g5 Ne8 13.Nde4+/–; D) 7...c6 8.Be2 0–0 9.0–0 Qe7 10.a3 Re8 11.d4 Nb6 12.de5 de5 13.e4+=; E) 7...0–0 8.a3 (8.Be2 a5 9.b5 Nb6 10.0–0 a4 11.a3 Re8 12.d4 ed4 13.Nd4=; 8.Rb1 a5 9.b5 Nc5 10.Be2 Bf5 11.0–0 e4 12.de4 Nfe4 13.Ne4=) 8...Nb6 9.Be2 Bg4 10.0–0 a5 11.Nd2 ab4 12.ab4 Ra1 13.Ba1+=.

7.Bd3 A) 7...Nb6 8.Be2 (8.a3 Bg4 9.0–0 0–0 10.h3 Be6 11.Qe2 Nfd7 12.e4 c6 13.Rfe1=; 8.c5 dc5 9.bc5 Nbd7 10.Bc4 0–0 11.d3 Qe7 12.c6 Nb6 13.cb7=; 8.e4 Be6 9.Qb3 0–0 10.Ng5 Bd7 11.Be2 Nh5 12.Nf3 Nf4 13.0–0+=; 8.0–0 0–0 9.Qe2 Bg4 10.h3 Be6 11.Ng5 Bc8 12.a3 h6 13.Nge4=; 8.Qe2 a5 9.b5 a4 10.a3 0–0 11.0–0 Bg4 12.h3 Be6 13.Ng5=) 8...0–0 9.d3 a5 10.b5 a4 11.a3 Qe7 12.0–0 Re8 13.Rc1=; B) 7...a5 8.a3 (8.b5 Nc5 9.Bc2 0–0 10.0–0 e4 11.Nd4 Be6 12.Ne6 fe6 13.f3=) 8...Nb6 9.c5 ab4 10.ab4 Ra1 11.Qa1 Nbd5 12.Nd5 Nd5 13.cd6=; C) 7...Qe7 8.Qc2 (8.e4 0–0 9.0–0 Nb6 10.a4 a5 11.c5 ab4 12.cb6 bc3 13.dc3=; 8.a3 0–0 9.e4 Nb6 10.0–0 Be6 11.Qe2 Nh5 12.g3 c6 13.Rfe1+=; 8.Nb5 Nb6 9.c5 Nbd5 10.Bc4 Be6 11.Qb3 a6 12.Na3 dc5 13.bc5=; 8.0–0 0–0 9.e4 Nb6 10.a4 a5 11.c5 ab4 12.cb6 bc3 13.dc3=) 8...Nb6 9.0–0 Bg4 10.Be2 c6 11.d3 0–0 12.h3 Bf5 13.e4=; D) 7...c6 8.Rb1 (8.a3 0–0 9.0–0 Nb6 10.e4 Be6 11.Qb3 Nh5 12.Rac1 Qf6 13.Be2+=; 8.Bc2 Nb6 9.d3 0–0 10.0–0 Re8 11.a4 a5 12.b5 c5 13.Qe2=; 8.e4 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Nh5 12.0–0 Nf4 13.Qb1=; 8.Qb3 a5 9.0–0 ab4 10.Qb4 0–0 11.Bc2 Re8 12.d4 ed4 13.ed4=; 8.0–0 0–0 9.e4 Nb6 10.Be2 d5 11.Qc2 d4 12.Nd1 Nh5 13.c5=) 8...Qb6 9.a3 a5 10.b5 0–0 11.Be2 cb5 12.Nb5 e4 13.Nfd4+=; E) 7...0–0 8.0–0 (8.a3 Nb6 9.0–0 Bg4 10.h3 Be6 11.Qe2 Qd7 12.b5 c6 13.Rfc1=; 8.e4 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Nb6 12.Be2 Bg4 13.d3=) 8...a5 9.a3 Nb6 10.Qe2 Bg4 11.h3 Be6 12.Ng5 Qe7 13.f4=.

7.d4 0–0 8.a3 a5 9.Be2 ab4 10.ab4 Ra1 11.Qa1 ed4 12.Nd4 c5 13.bc5+=.

7.d4 0–0 8.Rb1 ed4 9.Nd4 c5 10.bc5 dc5 11.Nb3 Re8 12.Be2 a5 13.a4=.

7.d4 0–0 8.Bd3 Qe7 9.Be2 a5 10.b5 ed4 11.ed4 d5 12.c5 c6 13.0–0+=.

7.d4 0–0 8.Be2 ed4 9.Nd4 c5 10.bc5 dc5 11.Ndb5 Qb6 12.Na4 Qa5 13.Bc3=.

7.d4 0–0 8.de5 de5 9.Be2 Re8 (9...c5 10.bc5 e4 11.Nd4 Nc5 12.0–0=) 10.e4 Nh5 (10...c5 11.b5+=) 11.0–0+= Nf4 12.Nd5 Ne2 13.Qe2 c6 14.Ne3 Qe7 (14...Qf6 15.Qc2=) 15.a3+= Nf8 (15...Rd8 16.Rfd1+=) 16.c5 (16.Rfd1 Ne6+=) 16...b5 (16...b6 17.cb6 ab6 18.Qc2+=) 17.cb6 ab6 18.Nc4 e5 becomes the focus of attention (18.Qc2 Qe6+=) 18...Ba6= 19.Qc2 Bc4 (19...Qe6 20.Nb6 Rab8 21.Qc5 Bf1 22.Rf1= (22.Kf1? Qb3 23.Be5 Be5 24.Ne5 Qb2–+)) 20.Qc4+= Rac8 21.a4 (21.Rfd1 b5 22.Qb3 Red8+=) 21...b5 (21...Ne6 22.Rfd1+=) 22.ab5 cb5 23.Qb5 Rb8 24.Qa5 (24.Qd5 Red8 25.Qa2 Nd7+/–) 24...Qb4= 25.Be5 Be5 26.Ne5 Rb5 (26...Qe4!? 27.Rfe1 Qf4=) 27.Qb4+/– ½–½. Krebbers,Wilfried (2115) – Esser,Norbert (2265), 8th Goch op, 2007.

7.d4 0–0 8.de5 de5 9.e4 a5 10.b5 Qe7 11.Qc2 Nb6 12.c5 Nbd7 13.c6+=.

7.d4 a5 8.b5 (8.de5 de5 9.b5 0–0 10.Qc2 Qe7 11.Nd5 Nd5 12.cd5 Nb6 13.Rc1=) 8...ed4 9.ed4 0–0 10.Be2 d5 11.c5 Ne4 12.Rc1 Re8 13.0–0=.

7.d4 a6 8.a3 (8.Bd3 Qe7 9.Qc2 0–0 10.a3 ed4 11.Nd4 c5 12.bc5 dc5 13.Nf3=; 8.Be2 a5 9.a3 0–0 10.0–0 Re8 11.Nb5 e4 12.Nd2 Nb6 13.Qc2+=; 8.de5 de5 9.Be2 0–0 10.e4 c5 11.a3 Qe7 12.Qb3 Rd8 13.0–0+=) 8...ed4 9.Nd4 Ne5 10.Be2 0–0 11.0–0 Be6 12.Ne6 fe6 13.f4+=.

7.d4 ed4 8.Nd4 (8.ed4 0–0 9.Be2 d5 10.c5 a5 11.a3 c6 12.0–0 b5 13.cb6=) 8...a5 9.b5 0–0 10.Be2 Nc5 11.0–0 Be6 12.Na4 Nfd7 13.Nc5=.

7.d4 e4 8.Nd2 a5 9.b5 0–0 10.Qc2 Re8 11.Nde4 Ne4 12.Ne4 Qh4 13.Bd3+/–.

7.d4 e4 8.Ng5 0–0 9.Nge4+/– d5 (9...Ne4 10.Ne4 f5 11.Nc3+=) 10.cd5 c6? (better is 10...Ne4!? 11.Ne4 Nb6+/–) 11.dc6+– bc6 12.Bd3 Rb8 (12...a5 13.Ba3 Nd5 14.Nd5 cd5 15.Nc3+–) 13.Qd2 (13.Ba3 Nd5 14.Qb3 N7f6+–) 13...Ne4 (13...a5 14.ba5 Qa5 15.Nf6 Bf6 16.Rb1+–) 14.Ne4 Nf6 15.0–0 (15.Nc5 Nd7+–) 15...Bf5 16.Nf6 Bf6 (16...Qf6 17.Bf5 Qf5 18.Rfc1+–) 17.Bf5 gf5 18.a3 (18.Rac1 Qd5+–) 18...Bg7 (18...f4 19.Rac1+–) 19.Rac1 Qh4 (19...Rb6 20.Qe2+–) 20.Rc6 Rbe8 (20...f4 21.ef4 Rfe8 22.Rc7+–) 21.b5 (21.d5 Bb2 22.Qb2 Qe4+–) 21...Re4 Black intends f4 (21...f4 22.ef4 Re4 23.Rc7+–) 22.Qd3 f4 (22...Rfe8+–) 23.Qe4 1–0. Janek – Erendor, internet, 2017.

7.d4 e4 8.Ng5 Qe7 9.Qc2 0–0 (9...d5 10.cd5 Qb4 11.Rb1 Qa5 12.Nge4 Nd5 13.Qb3+/–) 10.Nge4 Ne4 (10...a5 11.b5 Re8 12.Nf6 Nf6 13.Bd3+/–) 11.Qe4 Qf6 (better is 11...Qe4!? 12.Ne4 a5+= (12...Re8 13.Bd3+/–) 13.Nc3+/–) 12.Nd5+/– Qd8 13.Qe7 c6 14.Qd8 Rd8 15.Ne7 Kh8 16.Be2 Re8 17.Nc8 Rac8 18.0–0–0 Nf6 19.Rd3 Ne4 20.Ra3 a6 21.f3 Nf6 22.e4 d5 23.e5 Nh5 24.g3 f6 25.f4 fe5 26.de5 Rcd8 27.Rd1 Bf8 28.cd5 Bb4 (28...Rd5 29.Rd5 cd5+–) 29.Rb3 Bc5 (29...a5 30.d6 b6 31.e6 Ng7 32.Rb4 ab4 33.e7+–) 30.d6 Bd6 (30...b6 31.Ba6 Ng7+–) 31.ed6 1–0. pierret – elsayedamr (1615), ChessCube Game, 2011.

7.Be2 0–0 8.0–0 (8.e4 Nb6 9.0–0 Be6 10.Qb3 Nh5 11.Rfe1 Nf4 12.Bf1 c6 13.a4=; 8.d3 a5 9.b5 Nb6 10.0–0 a4 11.a3 Re8 12.d4 ed4 13.Nd4=; 8.d4 ed4 9.Nd4 c5 10.bc5 dc5 11.Ndb5 Qb6 12.Qd2 Rd8 13.Rd1=) 8...a5 9.b5 Nb6 10.d4 ed4 11.ed4 Re8 12.Re1 a4 13.c5=.

7.Be2 a5 8.a3 0–0 9.0–0 c6 10.d4 e4 11.Nd2 Qe7 12.Qc2 Can e4 get defended? 12...Re8 13.c5 d5 14.b5 h5 15.Qa4 Nf8 16.bc6 bc6 17.Qc6 Bd7 18.Qc7 Rec8 19.Qg3 Rab8 20.Rab1 Ne6 21.a4 Nh7? (better is 21...Nc7+–) 22.Nd5 (22.Nd5 Qe8 23.Nb6+–) 1–0. pierred (2790) – mrdoop (2430), net–chess.com, 2011.

7.Be2 a5 8.a3 0–0 9.d4 ab4 10.ab4 Ra1 11.Qa1 ed4 12.Nd4 c5 13.Ndb5+=.

7.Be2 a5 8.b5 0–0 9.d4 ed4 10.ed4 d5 11.c5 Ne4 12.Rc1 Re8 13.0–0=.

7.Be2 c5 8.bc5 (8.Nb5 0–0 9.Nd6 e4 10.Ne5 Ne5 11.Be5 Qe7 12.Bf4 cb4 13.Rb1=; 8.b5 0–0 9.d3 a6 10.0–0 Qe7 11.Qa4 b6 12.Rfb1 Bb7 13.e4=; 8.a3 Qb6 9.0–0 0–0 10.d4 ed4 11.Na4 Qc7 12.ed4 Re8 13.Re1+=; 8.Qb3 a5 9.b5 Nb6 10.d4 a4 11.Qa3 cd4 12.ed4 ed4 13.Nd4=) 8...dc5 9.Nb5 e4 10.Nd6 Kf8 11.Ng5 Qb6 12.Bf6 Bf6 13.Nge4+=.

6.d4 Bg7

7.Qc2 ed4 8.Nd4 0–0 9.Be2 Re8 (9...c5 10.Nb5=) 10.0–0 Ne4 11.Nc3 Nc3 12.Bc3 (12.Qc3? c5 13.Qd2 cd4 14.Bd4 Ne5–+) 12...Nf6 13.Nb3 Ne4 ½–½. Lorenc,Tomas (2175) – Vodicka,Vlastimil (2330), CZE–chTV, 2002.

7.Be2 0–0 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.d4 Nbd7 7.Be2 e5).

7.Be2 e4 8.Nfd2 0–0 9.Nc3+= Re8 10.a4 b5? 11.ab5+– Nb6 12.0–0 Bb7 13.Qb3 d5 14.c5 Nc4 15.Nc4 dc4 16.Bc4 Qe7 17.Ra5 Ng4 18.h3 Nf6 19.Rfa1 Bc8 20.Ra7 Ra7 21.Ra7 Bh3 22.gh3 Nh5 23.Ne4! Qe4 24.Bf7 Kh8 25.Be8 Qb1 26.Kh2 Qf1 27.Qc2 (27.Qc2 Nf4 28.ef4+–; 27.Rc7?? Qf2 28.Kh1 Ng3#) 1–0. guest756 – MontanaSky, ICC, 2003.

7.de5 Ng4=.

6.Be2 Bg7

7.0–0 0–0 8.h3 e4 9.Ne1 Re8 10.d3 ed3 11.Bd3 Ne5 12.Nf3 Nd3 13.Qd3 Bf5 14.Qb3 b6 15.Nd4 Be4 16.Nd2 Bb7 17.b5 a5 18.a4 Qd7 19.Rac1 Qe7 20.Qc2 Kh8 21.Ne2 Rad8 22.Rfd1 Nd7 23.Bg7 Kg7 24.Nf4 Nc5 25.Nd5 Bd5 26.cd5 Qh4 27.Qc4 Qh5 28.Qd4 Kg8 29.f3 Rd7 30.e4 Rde7 31.Rc3 f5 32.Re3 fe4 33.Rde1 Re5 34.fe4 ½–½. Ruhle – Senft, 1996.

7.a3 0–0 8.d3 c6 9.0–0 a6 10.Nbd2 Re8 11.e4 h6 12.Qb3 b6 13.Rac1 Bb7 14.Rfe1 c5 15.a4 a5 16.ba5 Rb8? (better is 16...Ra5 17.Bc3 Ra7=) 17.ab6+– Qb6 18.Qb6 Nb6 19.a5 Na4 20.Ba1 h5 (20...Bc6 21.Bd1+/–) 21.Rb1 Bh6 22.Rb5 Bd2 23.Nd2 Bc6 24.Rb8 Rb8 25.Rb1 Rb1 26.Nb1 Ng4 (26...Ne8 27.Nc3 Nc3 28.Bc3+–) 27.Bg4 (better is 27.Na3!? f5 28.ef5 gf5 29.Nb5+–) 27...hg4 28.Nc3 Nc3 29.Bc3 Kf8 30.a6 Ke8 31.Ba5 Kd7 32.Kf1 Kc8 33.Ke2 Kb8 34.Bb6 Ba8 35.f3 Kc8 (better is 35...gf3 36.gf3 Kc8+–) 36.fg4 Kd7 (36...Bc6+–) 37.h4 Kc6 (37...Ke6 38.h5 gh5 39.gh5+–) 38.Ba5 (better is 38.h5 gh5 39.gh5 Kb6 40.h6 Ka6 41.h7+–) 38...f6 (38...Kd7+–) 39.h5 gh5 40.gh5 Kd7 41.h6 Ke7 42.h7 1–0. Fournier,Frederic – cid007, Active, 2007.

7.d3 0–0 (-->1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.c4 0–0 5.e3 d6 6.Be2 e5 7.d3 Nbd7).

7.d4 ed4 8.Bd4 0–0 9.0–0 b6 10.b5 Bb7 11.Nc3 Re8 12.Qd2 Ne4 13.Ne4+= Re4 14.Bg7 Kg7 15.Nd4 Nf6 16.Bf3+– Rd4 17.Qd4 Bf3 18.gf3 c5 19.Qf4 Qe7 20.Rad1 Nh5 21.Qd6 Qg5 22.Kh1 Qh4 23.Qc6 Rf8 24.Qe4 Qh3 25.Qg4 (25…Qg4 26.fg4+–) 1–0. Trkn – guest6, ICC, 2004.

7.d4 e4 8.Nfd2 0–0 9.Nc3 Re8 10.a4 h5 (10...c5 11.Nb5 Bf8 12.bc5 dc5 13.0–0=) 11.0–0+= Nf8 (11...a5 12.b5+=) 12.a5 Bf5 (12...c5 13.dc5 dc5 14.b5+=) 13.b5 (13.a6 Rb8+/–) 13...a6 14.ba6 (14.Qb3 h4+=) 14...ba6+= 15.Nd5 (15.Rb1 Rb8+=) 15...N8h7 (15...Nd5 16.cd5 Qg5 17.Re1=) 16.Ra3 h4 17.Rb3 Nd5 18.cd5 Qg5 (18...h3 19.g3+=) 19.Kh1 (19.f4 ef3 20.Nf3 Qh6+=) 19...Nf6= 20.Bc4 h3 21.g3 (21.Rg1 Bd7 22.gh3 Qf5=) 21...Bg4+= 22.Qc1 (22.Qc2 c6 23.f3 cd5+=) 22...Qh5 23.Rb7 Nd5 24.Bd5 (24.Qc2!?+=) 24...Qd5–/+ 25.Rc7 (25.Qc7 Rac8 26.Qb6 Rc2–+) 25...Qa5–+ 26.Ba3 Bf8 27.f3 (27.Kg1 Rec8 28.Rc8 Rc8 29.Qb2–+) 27...ef3 28.e4 (28.Rc3 Rac8 29.Nc4 Qd5–+) 28...Bh6 29.Qc4 (29.Rc3–+) 29...d5 0–1. Feldman,Yevgeny – Ross,Phillip E (2135), Manhattan CC–ch, 1999.

7.d4 Qe7 8.0–0 0–0 9.Nc3 c6 10.Qb3 (10.a3 Re8+=) 10...Re8 11.Rad1 e4 12.Nd2 Nf8 (12...Qe6 13.c5+=) 13.a4 h5 (13...Bf5 14.a5+=) 14.a5 (14.Rde1 Bf5+=) 14...a6 (14...Bf5 15.c5+=) 15.Na4 Bf5 16.Nb6 Rad8 17.d5 (17.Bc3 N8d7+=) 17...N8d7 18.dc6 bc6 19.f3 (19.Qa4 c5+=) 19...Nb6 (19...ef3 20.Bf3 (worse is 20.Rf3 Bg4+=) 20...Ne5 21.Be5 de5 22.Bc6+=) 20.ab6+= Ra8 (20...ef3!? 21.Bf3 d5+=) 21.fe4+/– Ne4 22.Bg7 Kg7 23.Ne4 Be4 24.Qc3 Kg8 25.Bf3 (25.c5 dc5 26.bc5 a5+/–) 25...d5 26.Rd4 (26.cd5 cd5 27.Rd5 Rab8+/–) 26...f5 (26...c5!? 27.bc5 Qc5 28.Be4 Re4 29.Re4 de4+/–) 27.Be4+/– de4 28.c5 Red8 (28...Rad8 29.Rfd1 Kh7 30.Rd6+–) 29.Rfd1 Rd4 30.Rd4 g5 (30...Qf6+–) 31.Rd6 Kh7 (31...Qg7 32.Qc4 Kh8 33.Rc6 Qa1 34.Kf2+–) 32.Rc6 (32.Qd4 Qf8+–) 32...f4 (32...Rd8+–) 33.Rc7 (33.Rc7 Qc7 34.bc7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

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

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