6.a3 c6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.a3 Nbd7).

6.a3 Be4 7.Be2 Bf3 (7...dc4 8.Bc4 Nb6 9.Be2=) 8.Bf3 c6 9.c5 e5 10.0-0 e4 11.Bg4 (11.Be2 b6=) 11...h5 (11...Ng4 12.Qg4 h6 13.d3 (13.Bg7? Rg8-+) 13...ed3 14.Qf5= (14.Bg7 Rg8-+)) 12.Bf5+= g6 13.Bd7 Qd7?? (better 13...Kd7 14.d3 ed3 15.Qd3 Bg7+=) 14.Bf6+- Rg8 15.Nc3 Qf5 (15...Qe6 16.Bd4+-) 16.Bd4 g5 (16...Bg7 17.Bg7 Rg7 18.b5+-) 17.f3 (better 17.Qh5 Qg6 18.Qg6 Rg6+- (18...fg6?? 19.f3+-)) 17...Qg6 (17...ef3 18.Rf3 Qd3 19.Qf1 Qf1 20.Raf1+-) 18.fe4 de4 19.Qb3 (better 19.Rf6 Qh7 20.Qb1 Be7 21.Ne4 Kf8+-) 19...0-0-0 (19...Be7+-) 20.Rf6 Qh7 21.Rf7 Qh6 22.Rb7! Kb7 23.Qg8 g4 (23...Kc8 24.Qf7 Rd7 25.Qe8 Rd8 26.Qe4 Kd7+-) 24.Qf7 Kb8 25.Be5 Ka8 26.Qc7 (26.Qc7 Bc5 27.Qd8 Kb7 28.Qc7 Ka6 29.Qc8 Kb6 30.Bc7) 1-0. valeriy1947 - martinz (1670), Rated Blitz game, lichess.org, 2014.

6.a3 Ke7 7.Nd4 Bb1 8.Rb1 Ke8 9.Qa4 Be7 10.Be2 c6 11.0-0 Qc7 (11...Nb6 12.Qc2=) 12.Rbc1 Bd6 13.g3 (13.f4 dc4 14.Qd1 Nb6+=) 13...h5 (13...dc4 14.Bc4 (worse 14.Rc4 Nb6 15.Qc2 Nc4 16.Bc4 Qe7-/+) 14...h5 15.Qb3=) 14.cd5+= ed5 (14...Nd5!? 15.Nf3 e5+/-) 15.Nf5 h4 16.Nd6 (16.b5!? c5 17.Bf6 gf6 18.b6+- (18.Nh4?! Nb6 19.Qc2 c4+/-)) 16...Qd6+= 17.Bf3 (17.g4 Kf8+=) 17...hg3 18.fg3 Nh5 19.b5 Ng3 20.bc6 (better 20.hg3 Qg3 21.Bg2+/-) 20...Ne2=+ The backward pawn on h2 becomes a target 21.Kf2 Qh2?? (better 21...Rh2 22.Ke1 Nc1 23.cd7 Qd7 24.Qd7 Kd7 25.Bc1 Kd6=+) 22.Ke1+/- Nc1 23.Bc1?? (23.cd7 Ke7 24.Bc1 Qg3 25.Kd1 Qh3 26.Qb4 Kd8 27.Qb7 Qf1 28.Kc2 Qc4 29.Kb2 Rh6 30.Bd5 Qc5 31.Qa8 Kd7 32.Qb7 Kd8 33.Qf7 Rb6 34.Bb3 g6+-) 23...Qh4?? (better 23...bc6 24.Qc6 Rb8-+) 24.Qh4+/- Rh4 25.cd7 Kd7 26.Bd5 f6 27.Bb7 Rb8 28.Bf3?? (better 28.Bd5+/-) 28...Rb1-/+ 29.Kd1? (better 29.Kf2 Rc4 30.Rg1-/+) 29...Rc4-+ 30.Ke2 Rcc1 31.Rc1 Rc1 32.Kd3 Ra1 33.Bg4 Kd6 34.Ke4 Ra3 35.d4 (35.Bf5 a5-+) 35...a5 36.Be2 Ra2 (36...a4 37.Bc4-+) 37.Bc4 Rh2 38.Kd3 (38.Bb3 Rf2 39.Bd1 f5 40.Kd3 g5-+) 38...a4 39.e4 a3 40.Kc3 a2 41.Ba2 Ra2 42.Kc4 (42.Kd3 Ra3 43.Kd2 g6-+) 42...Ra4 (better 42...g5!? 43.Kb3 g4 44.Ka2-+) 43.Kd3 g5 44.Ke3 Ra3 45.Kf2 Kc6 46.d5 Kd6 47.Kg2 Ke5 48.Kf2 Ke4 49.d6 Rd3 50.Ke2 (50.Kg2 Kf4 51.d7 Rd2 52.Kh1 Kg3 53.d8Q Rd8 54.Kg1 Rd1) 50...Rd6 51.Kf2 Rd3 52.Ke2 Rf3 53.Ke1 (53.Kd2 g4 54.Kd1 g3 55.Kc2 g2 56.Kd2 g1Q 57.Kc2 Qg2 58.Kd1 Rf1) 53...g4 (53...Kd3 54.Kd1 Rf1) 54.Ke2 g3 55.Ke1 (55.Kd2 g2 56.Ke2 g1Q 57.Kd2 Qg2 58.Ke1 Rf1) 55...g2 56.Ke2 (56.Kd2 g1Q 57.Kc2 Qg2 58.Kd1 Rf1) 56...g1Q 57.Kd2 Qg2 58.Ke1 Rf1 0-1. mmadisson123 (1840) - Mukate (1775), Rated Blitz game, lichess.org, 2020.

6.a3 h5 7.Be2 dc4 8.Bc4 Be7 9.0-0 0-0 10.b5 Rc8 11.a4 c6 12.Be2 Nd5 13.Na3 Nc5 14.bc6 bc6 15.Ne1 h4 16.h3 Rb8 17.Be5 Rb7 18.a5 Nb4 (18...Nb3 19.a6 Rb6 20.Nc4=+) 19.d4= Ne4 20.a6 Rb6 21.Qc1 f6 (worse 21...Na6 22.Nc4 Nb4 23.Nb6 Qb6 24.Nd3+/-) 22.Bh2 Nd5 (worse 22...Na6 23.Nc4 Nb4 24.Nb6 Qb6 25.Nf3+-) 23.Nc4 Rb3 24.Qd1 Rb5 25.Qc1 Rb3 26.Nd2 Rc3 27.Qb2 Qb6 28.Qb6 Nb6 29.Ne4 Be4 30.Bf3 Bf5 31.Bg4 (31.Rd1 g5=) 31...Bg4=+ 32.hg4 c5 33.Nf3 c4 34.Bc7 Nd5 35.Ba5 Ra3 36.Nh4 ½-½. marekt – wileyoreilley, ChessWorld.net, 2021.

6.Qb3 Be4 7.d4 Bf3 8.gf3 Bd6 9.Nc3 (9.c5 Be7=+) 9...0-0 (9...Nb6 10.c5+–) 10.c5 Be7 11.Bg2 (11.Rg1 a5=) 11...c6 12.0-0-0 (12.Rg1 Qc7=+) 12...Qc7 (12...b6 13.Kd2–/+) 13.f4 (13.Rdg1 b6=+) 13...a5 (13...b6 14.Kd2–/+) 14.b5 (14.ba5 Rfb8=+) 14...b6–/+ 15.f5 (15.bc6!? Qc6 16.Qa4 Qa4 17.Na4–/+) 15...bc5–+ 16.fe6 fe6 17.Bh3 Qd6 18.Ba3 cb5 19.Qb5 (19.dc5 Qe5–+) 19...Rfc8 (19...Rac8 20.Kd2–+) 20.Rhg1 (20.Kd2 Kh8–+) 20...Ra6 (20...Rab8 21.Qa5 Bd8 22.Qa4–+) 21.f4 Qc6 22.Qc6 Rac6 23.dc5 Nc5 24.Kb1 Na4 25.Na4 Ba3 26.Bg2 Rc4 27.Nb2 Rb4 28.Rd2 Rcb8 29.Rd3 Rb2 30.Ka1 Bd6 31.Rc3 Kf7 32.Rc6 Ke7 33.Ra6 Bc5 34.Bh3 Rh2 35.Re6 Kf7 36.Rc6 Be3 37.Be6 Ke8 38.Rgc1 Bd4 39.R6c3 Bc3 40.Rc3 Rh1 41.Rc1 Rc1# 0–1. SuperForte 5 Mhz – REXChess 80286 12Hz, 1994.

6.Qb3 Qe7 7.c5 (7.a3 c5=+) 7...0-0-0 (7...a5 8.d4=+) 8.d4 (8.c6 bc6 9.Nd4 Kb7=) 8...g6 9.Be2 Bg7 10.b5 Ne4 (10...Bf8 11.0-0=) 11.a4 (11.c6 bc6 12.bc6 Nb6+=) 11...Ndf6 (11...Qf6 12.c6 Ndc5 13.cb7 (< 13.dc5 Qb2 14.Qb2 Bb2 15.cb7 Kb7=+) 13...Kb7 14.Qb4+= (14.dc5?! Qb2 15.Qb2 Bb2=+)) 12.b6 (12.c6 h6=) 12...ab6 (12...cb6 13.cb6 a6 14.Ba3+/–) 13.cb6 c6 (13...c5 14.dc5 Nc5 15.Qb5=) 14.0-0+= g5 15.Nc3 g4 16.Nh4 Nc3 17.Qc3 Be4 18.Qa5 (18.Rfc1 Nd7 19.g3 Qf6+=) 18...Nd7 (18...Kd7 19.Qc3=) 19.g3 (19.f3 gf3 20.Qa8 Nb8 21.Nf3 Qb4+=) 19...Qg5+= 20.Qa8 Nb8 21.a5 c5 22.a6 ba6= 23.Ba6 Kd7 24.Bb5 Ke7 25.Ra7 Kf8 26.Ba3+/– Kg8 27.dc5 Nd7+/– 28.b7 Nb8 29.c6 Be5 30.Rc1 Bc7 31.Bf1 d4 32.Bg2 Bg2 33.Ng2 d3 34.Rc5 Qg7 35.Rc1 Qg5 36.Bb2 d2+= 37.Rd1 Nc6 38.Rd2+– Bb8 39.Rd8 Qd8 40.Ra1 e5 41.Rc1 h5 42.Be5!! Be5?? 43.Rc6+– Kh7 44.Rc8–/+ Qd1 45.Ne1! Qe1 46.Kg2 Rf8 47.Rf8 Kg6 48.Qe8 Qb4 49.Qf7 Kh6 50.b8Q! Qb8 51.Qe6 Kh7 52.Qg8 Kh6 53.Rb8 Bb8 54.Qb8 Kg5 55.f4 gf3 56.Kf3 Kf6 57.Qh8 Ke7 58.Qh5 Kd6 59.e4 Ke7 60.Qd5 Kf8 61.Qd7 Kg8 62.e5 Kf8 63.e6 Kg8 64.e7 Kg7 65.e8Q Kf6 66.Qf8 Ke5 67.Qfg7# 1–0. SuperForte 5 Mhz – REXChess 80286 8Hz, 1994.

6.b5 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.b5 Nbd7 6.c4).

6.b5 c5 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.b5 c5 6.c4 Nbd7).

6.Bc3 dc4 7.Bc4 Nb6 8.Be2 =+.

6.Bc3 c6 7.d4 Bd6 8.Be2 (8.c5 Bc7=+) 8...0-0 (8...dc4 9.Bc4 Nb6 10.Be2=+) 9.0-0 Ne4 (9...dc4 10.Bc4 Nd5 11.a3=+) 10.c5 Bc7 11.a4 h6 (11...Qf6 12.a5=+) 12.b5= e5 13.bc6 bc6 14.Bb2 Rb8 15.Ra2 Qe7 16.Nbd2 Nd2 17.Qd2 e4 18.Ne1 Qg5 19.f3 Nf6 20.Nc2 (20.f4 Qg6=+) 20...Bh3 (20...ef3 21.Rf3 Qg6–/+) 21.Ba6? (21.Bd1 ef3 22.Bf3 Rfe8=+) 21...Qg6 22.Qe2? Rfe8 23.Qd2? Rb3 24.f4–/+ Reb8 25.Ne1 Ng4 26.Bc3= Rb1 27.Kh1+= Qh5 28.Rg1 R8b3? 29.gh3+/– Qh3 30.Bf1 Qh4 31.Ba6 Qh3 32.Rg3 Qh4 33.Kg1 Kh7 34.Bc8 Nf6?? 35.Rh3+– Re1 36.Kg2 Qh3 37.Kh3 Reb1 38.Rb2 R1b2 39.Bb2 Bf4 40.Bc3 Bc7 41.Kg2 Kg6 42.Qf2 Kh7 43.Qf5 Kg8 44.Bb7 Rc3 45.Qc8 Kh7 46.Qc7 Ng4 47.Bc6 Ne3 48.Kg1 Rc1 49.Kf2 Nd1 50.Ke2 f5 51.Qf4 Nc3 52.Kd2 e3 53.Qe3 Na2 54.Bd5 Rb1 55.Qe6 Rb2 56.Ke3 Nb4 57.Qf5 Kh8 58.Qf8 Kh7 59.Bg8 Kg6 60.Bf7 Kf5 61.Be8 Kg4 62.Qg7 Kh3 63.Qg3# 1–0. NN – SuperForte 5 Mhz, 1989.

6.Bc3 Ne4 7.Bd4 (7.cd5 ed5 8.a3 a5=+) 7...Ndf6 (7...Bb4 8.Bg7 Rg8 9.Qb3–/+) 8.Nc3 (8.Qa4 Qd7 9.Qd7 Nd7 10.cd5 ed5=) 8...Nc3 9.Bc3 Ne4 10.Bd4 c6 11.Rc1 (11.a3 dc4 12.Bc4 b5+=) 11...Bg4 (11...Bb4 12.Bg7 Rg8 13.Bd4=+) 12.c5 Bf3 (12...b6 13.Be2=) 13.gf3 (13.Qf3 f6=) 13...Nf6 14.Bc3 (14.Rg1 Rg8=) 14...Be7 15.Bg2 (15.b5 0-0=) 15...a5 (15...0-0 16.d3=+) 16.ba5= 0-0 17.d4 g6 18.Rb1+= Qc7 19.h4 Rfe8 20.Qc2 Nd7 21.h5 e5 22.hg6 hg6 23.de5+– Ne5 24.f4 d4 25.Bd4 Qa5 26.Bc3 Qa2 27.Be5 Qa5 28.Bc3 Qc3 29.Qc3 f6 30.Rb7 Rac8 1–0. SuperForte 5 Mhz – ChessMaster2000 80286, 1994.

6.Nc3 Bb4 7.a3 Bd6 8.Be2 h6 9.0-0 0-0 10.d3 (10.cd5 ed5 11.Nb5 Be7–/+) 10...Bh7 (10...dc4 11.dc4 e5 12.Nb5–/+) 11.Re1 (11.cd5 ed5 12.Nb5 Be7–/+) 11...c6 12.d4 Ne4 13.Bd3 Nc3 14.Bh7 Kh7 15.Qd3?? (better 15.Bc3 Kg8 16.Qd3–/+) 15...Ne4–+ 16.Ne5 f5 (16...Be5 17.de5 Ndc5 18.Qe2 dc4 19.f3–+) 17.f3 Nef6 18.e4 (18.Qc2 Qc7 19.cd5 cd5–+ (worse 19...Ne5 20.de5 Be5 21.Be5 Qe5 22.dc6–+)) 18...fe4 19.fe4 (19.Qc2 Qc7 20.Nd7 Qd7–+) 19…de4 (19...de4 20.Qh3 Qc7 21.Nd7 Qd7–+) 0–1. Darkseid (1835) – LazarusChopper (2240), ChessWorld.net, 2020.

6.c5 Bb1 7.Qb1 a5 8.a3 ab4 9.ab4 Ra1 10.Qa1 Be7 11.Be2 0-0 12.d3 (12.0-0 c6+=) 12...b6= 13.d4 bc5 14.dc5 Qb8 15.Bc3 Ne4 16.0-0 (worse 16.Bg7 Qb4 17.Kf1 Rb8–/+ (17...Qc5?! 18.Bf8 Bf8 19.g3=)) 16...Nc3 17.Qc3 Bf6 18.Qd2 c6 19.Nd4 Qb7 20.g3 (20.Rc1 Bd4 21.ed4 Nf6=) 20...e5 21.Nf5 Re8?? (better 21...Rb8 22.Ra1 Qb4 23.Qb4 Rb4=+) 22.Nd6+– Qa8 23.Ne8 Qe8 24.Qa2 (24.e4 de4 25.Rd1 Nf8+–) 24...d4 (24...e4 25.Rc1+–) 25.ed4 ed4 26.Bf3 Ne5 27.Bg2 Bg5?? (27...d3 28.Qa4+–) 28.Re1 (better 28.f4 Bf4 29.Rf4 d3+–) 28...Qb8?? (28...Nf3 29.Bf3 Qe1 30.Kg2 g6+=) 29.f4 (better 29.Re5 Bf6 30.Re1 g6+–) 29...Nd3 30.Ra1 (30.fg5?! Ne1 31.Be4 d3 32.Bc6 Qd8+–) 30...Bd8 (30...Be7 31.Qe2 Nb4 32.Qe7 d3+–) 31.Qa8 Qc7 (31...Qa8 32.Ra8 Kf8 33.Rd8 Ke7 34.Rd4 Nc1+–) 32.Ra7 (32.Ra7 g6 33.Rc7 Kf8 34.Qd8 Kg7 35.Qe7 Nf4 36.Qf7 Kh6 37.Qf8 Kg5 38.Qf4 Kh5 39.Rh7) 1–0. GuestYDBL – GuestJMGC, freechess.org, 2017.

6.c5 c6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.c5 Nbd7).

6.c5 e5 7.d4 Ng8 8.Be2 Be7 9.0-0 c6 10.de5 Nh6 11.Nfd2 0-0 12.f4 a5 13.a3 ab4 14.ab4 Ra1 15.Ba1 Qa8 16.Bb2 Qa2 17.Qb3 Qb3 18.Nb3 b5 19.Nc3 Ng4? (19...Ra8!?+/–) 20.Bg4 (20.Nd4!? Ne3 21.Rf3 Nc4 22.Nf5 Bc5 23.bc5 Nb2 24.Ne7 Kh8 25.Nc6 Nc5 26.Bb5 Ra8+–) 20...Bg4 21.Ra1 Re8 22.Na5 (better is 22.h3 Be6 23.Nd4+–) 22...d4? (22...Nb8!?+/–) 23.Nd1 (23.ed4 Rc8+–) 23...Ra8? (23...Nc5 24.Nc6 Nb3 25.Ne7 Kf8 26.Ra7 Re7 27.Ra8 Re8 28.Re8 Ke8 29.Nf2+–) 24.Bd4 Ra6 25.Nf2 Be6 26.g4 Bh4 27.f5 Bd5 28.Nd3 Bg5 29.Kf2 Bh4 30.Ke2 Be4 31.Nf4 Bg5 32.e6 fe6 33.fe6 Nf8 34.Rf1 Ra7 (34...Be7 35.Be5+–) 35.Nh3 (35.Be5 Be7+–) 35...Be7 36.Nf4?? (36.Nf2!? Bg2 37.Rg1+–) 36...g5 (36...Bg5 37.Be5 Bd8+–) 37.Nh5 Ne6 38.Nf6 Bf6 39.Rf6 (39.Bf6?! Nc5 40.Rd1 Ne6=) 39...Nd4 40.ed4 Kg7 41.Re6 (41.Nc6 Ra6 42.Rd6 Rc6 43.Rd7 Kf8=+; < 41.Rc6 Bc6 42.Nc6 Ra2 43.Kf3 Rh2+/–) 41...Bd5 42.Rd6 h6? (42...Ra6 43.Kd3+/–) 43.Ke3 (better is 43.Nc6 Bc6 44.Rc6 Ra2 45.Kd3+–) 43...Re7 44.Kd3 Rf7? (better is 44...Be4 45.Kd2 Rc7+/–) 45.Ke3?? (better is 45.Nc6 Rf3 46.Kd2 Bc6 47.Rc6+–) 45...Re7+/– 46.Kd3 Rf7 47.Ke3?? (better is 47.Nc6 Rf3 48.Kd2 Bc6 49.Rc6+–) 47...Re7= ½–½. Bonetti,Shane – MacChess 5.0, 2000.

6.c5 Qe7 7.a3 (7.Nd4 Be4=) 7...e5 8.Bb5 c6 9.Ba4 (9.Be2 0-0-0=) 9...Rc8 (9...Bg4 10.h3 Bf3 11.Qf3=+) 10.0-0 Bd3 11.Re1 g6 12.Bc2 Bb5 (better is 12...Bc2!? 13.Qc2 e4=) 13.Nc3 Ba6 14.d4 e4 15.Nd2 Nh5 (15...Bh6 16.f3 ef3 17.Qf3+/–) 16.Ba4 (White intends b5) (16.a4 b6+/–) 16...b6 (16...Bd3!?+=) 17.b5+/– cb5 18.Nb5 (18.Bb5 Bb7 19.Qa4 Qe6+/–) 18...Bb5 19.Bb5 Kd8 (19...bc5 20.dc5 Bg7 21.Bg7 Ng7 22.Qa4+/–) 20.Rc1 (White prepares the advance c6) 20...bc5 (20...Qe6!?+/–) 21.dc5+– Bg7 22.Bg7 Ng7 23.c6 (23...Nf6 24.f3 ef3 25.Qf3+/–) 1–0. McCarthy,Mike – Carrier,Michel, IECG, 2000.

6.c5 h6 7.Be2 (7.Nd4 Bg6=) 7...c6 (7...a5 8.a3=) 8.0-0 Be7 9.d4 0-0 10.Nc3 Ne4 11.Ne4 Be4 12.b5 (12.a4 Qc7=) 12...Bf6 (12...Bf3 13.gf3 e5 14.Qc2=) 13.Qb3 Re8 14.Nd2 Bg6 (14...Bf5 15.bc6 bc6 16.Qa3=) 15.f4 Be7 16.Nf3 Be4 17.Bd3 Bd3 18.Qd3 f5 (18...cb5 19.Qb5 Qc7 20.Ne5=) 19.Bc3 (19.bc6 bc6 20.Ne5 Ne5 21.fe5 Rb8+=) 19...Bf6 (19...cb5 20.Qb5 Qc7 21.Rac1=) 20.Rab1 Rb8 21.bc6 bc6 22.Rb8 Qb8 23.Rb1 Qc7 24.Be1 Rb8 25.Rb3 Rb3 26.Qb3 Qb8 27.Qa4 (27.Qb8 Nb8 28.Bh4 Bh4 29.Nh4 Kf7+=) 27...Qb7= 28.Nd2 g5 29.g3 (29...g4 30.a3=; 29.Bg3 g4=). Kreuzer,Uwe – Wild, tt Landesl, 1991.

6.Nd4 Be4 7.c5 e5 8.Nb3 c6 9.Nc3 Bg6 10.d4 Be7 11.Be2 0-0 12.0-0 h6 13.f4 ef4 14.ef4 Bf5 15.Bd3 Bd3 16.Qd3 b6 17.Rfe1 Re8 18.Qa6 Qc7 19.g3 Bf8 20.Rac1 h5 21.Nd2 Rab8 22.Ba1 h4 23.Nf3 Nh5 (23...Re1 24.Re1 hg3 25.hg3=) 24.Kg2 bc5 25.bc5 Re7 (25...Be7 26.Re2=) 26.Re2 (better 26.Nh4!? g6 27.Re7 Be7 28.Nf3+–) 26...Re2 27.Qe2 hg3 28.hg3 g6 29.Re1 Ng7 30.Nd1 Re8 31.Ne3 Qa5 32.Qd2 Qa6 33.Ne5 Ne5 34.fe5 Qc8 35.Rf1 Be7 36.Bb2 Qe6 37.Qe2 Rb8 38.Bc1 f6 39.Ng4 Nf5 40.Rf5 gf5 41.Nh6 Kf8 42.Qh5 The isolani on f5 becomes a target 42...fe5 43.Nf5 ed4 44.Qh8 Kf7 45.Qh7 (45.Qb8? Qf5 46.Ba3 Qe4 47.Kh3 d3–+) 45...Kf6 46.Qh6 Kf7 47.Qh7 Kf6 48.Qh6 ½–½. pcmvr – marekt, net–chess.com, 2020.

6.cd5 Bb4 7.de6 Be6 8.Nd4 =+.

7.Nc3 dc4 8.Bc4 b5 9.Bb3 Be7 (9...c5 10.Na2=+) 10.0-0 (10.Nd4 Ne5 11.0-0=) 10...Rc8 (10...c5 11.d3=+) 11.h3 (11.Nd4 c5 12.Nf5 ef5+=) 11...0-0 (11...c5 12.Re1=+) 12.Nd4 Bd3 13.Nc6 Qe8 14.Ne7 (14.Re1!?=) 14...Qe7=+ 15.Ne2 c5 16.bc5 (16.Re1 Rfd8-/+) 16...Nc5-/+ 17.Ba2 (17.Bc2 e5-/+) 17...Rfd8 18.Re1 Na4 19.Bf6 Qf6 (19...gf6?! 20.Nd4=+) 20.Rc1? (20.Nf4 Nc5-/+) 20...Qb2 (better 20...Be2 21.Qe2 Rc1 22.Rc1 Qb2-+) 21.Rc8-/+ Rc8 22.Nc3 (better 22.Nf4!? Qa2 23.Nd3 Qa3 24.Ne5-/+) 22...Nc3 23.dc3 Bc2 (23...Rc3 24.Bb1 Qb1 25.Qb1 Bb1 26.Rb1 Ra3 27.f4-+) 24.Qd7 Qc3 (better 24...Rf8!? 25.Be6 Qc3-+) 25.Rc1-/+ Qc7?? (better 25...Rf8-/+) 26.Qc7+- Rc7 27.Bb1 Bb1 28.Rc7 g6 29.Ra7 Bd3 30.Ra6 b4? (better 30...e5+-) 31.Rd6 Bc4 32.ab4 Kf8 (32...Kg7 33.Rc6 Bd3 34.Rc5+-) 33.Rc6 Bd5 (33...Bd3 34.Rc5+-) 34.Rc7 h5 (34...Ke8 35.b5+-) 35.b5 1-0. kianas (2065) - Bogokhine (1740), ChessWorld.net, 2012.

7.Nc3 dc4 8.Bc4 b5 9.Be2 c5 10.Nh4 cb4 11.ab4 Bb4 12.Nf5 ef5 13.0-0 0-0 14.Bf3 Bc3 15.Bc3 Ne4 16.Ba5+/– Qe7 17.d3 Nf2 18.Rf2+– Qe3 19.Ba8 Ra8 20.Qe1 Qd4 21.Bc3 Qc5 22.Bb4 Qd4 23.Ra6! Qd5 24.Rd6 Qe5 25.Re2 Ra1 26.Re5 (26.Re5 Re1 27.Re1+–) 1–0. wiking – pomar, internet, 2009.

7.Qb1 dc4 8.Bc4 Be7 9.0-0 Bd6 10.Nd4 Qe7 11.f4 Nb6 12.Bb3 0-0 13.Nb5 Kh8 (13...Rfd8 14.Nd6 Rd6 15.Bd4+=) 14.e4+= e5 (better is 14...Ne8!?+=) 15.d4 (worse is 15.Nd6 cd6 16.Qd3 Rac8+=) 15...Ng4? (15...ef4 16.e5 Nfd7 17.Qc2+– (17.ed6?! Qe3 18.Rf2 Qb3+/–; 17.Nd6?! cd6 18.Qe4 Rae8+/–)) 16.h3 (better is 16.fe5 Qh4 17.h3 Be5 18.de5+– (18.hg4?? Bh2 19.Kh1 Bg3 20.Kg1 Qh2)) 16...Ne3+/– 17.Rf3 (17.fe5 Nf1 18.Qf1+/– (18.ed6?! Qg5 19.Qd3 Ne3=; 18.Kf1?! Qd7 19.Nd6 cd6=)) 17...ef4= 18.Bc1 Qg5 19.Be3 fe3 20.Qd3 Bf4 21.Raf1 c6 22.Nc3 e2? (better is 22...Bd6!?+/–) 23.Ne2+– Bd2 (23...Bd6 24.Rf7 Rf7 25.Rf7+– (25.Bf7?! Rf8+–)) 24.Bf7 (24.Rd1!? Bb4 25.ab4 Qe7+–) 24...Nd7 25.e5 Rad8 26.Be6 Rf3 27.Rf3 Nf8 28.Bb3 Ng6 29.Qe4 Bc1 30.Bc2 Ba3?? (better is 30...Bb2+–) 31.Ra3 a6 32.Rf3 Qd2 33.e6 Qe1 34.Rf1 Qb4 35.Rf7 White prepares e7 (35.Nf4 Nf8 36.e7 Qd4 37.Qd4 Re8 38.Nh5 Ne6 39.Rf8 Rf8 40.ef8Q Nf8 41.Qg7) 35...Qe1 36.Kh2 Qb4 37.e7 Re8 38.Nf4 Qd6 39.g3 Qb4 (39...Qf4 40.Rf4 b6 41.Qg6 hg6 42.Rh4 Kg8 43.Bb3) 40.Rf8! 1–0. Williams,Barry M – Stephens,Robert, NZCCA HT corr New Zealand, 1998.

7.Qb1 c6 8.c5 (8.cd5 cd5 9.Be2 Bd6+=) 8...Be7 (8...b6 9.d4+=) 9.Ne5 (9.Be2 b6=) 9...0-0 (9...Ne5 10.Be5 0-0 11.d4+=) 10.Bd3 Qc7 (10...Ne5 11.Be5 h6 12.0-0=) 11.f4 (11.Nd7 Qd7 12.Qc2 h6+=) 11...g6 (11...b6 12.cb6 ab6 13.Qc2=) 12.g4 (12.Qc2 Ne5 13.Be5 Qd8+=) 12...b6 (12...Ne5 13.Be5 Qd8 14.g5=) 13.g5 Ne8 14.Ng4 Ng7 15.cb6 ab6 16.Nh6 (16.Qc2 Ra7+=) 16...Kh8 17.h4 (17.Qc2 f6 18.Bb5 Rac8=) 17...e5 18.f5 (18.h5 Nh5 (18...ef4?? 19.hg6 fg6 20.Bg6+–) 19.Bf5 Ng7= (19...gf5? 20.Rh5 f6 21.Nf5+–)) 18...e4+= 19.Be4 (19.Be2 Qg3 20.Kd1 Bd6+=) 19...de4 20.Qe4 Qg3 (better is 20...Bd6 21.Rc1 Rac8–/+) 21.Ke2+/– Qd6 22.f6 (22.Qe7! Qe7 23.f6+–) 22...Bf6+= 23.gf6 Ne6 (better is 23...Nh5 24.Qe7 Qd5+=) 24.Rac1+– Rae8 (24...Rac8 25.h5 g5 26.Nf5+–) 25.Kd1 (25.Qc6 Nf4 26.Kd1 Qc6 27.Rc6 Nd3+–) 25...Ng5? (better is 25...Nd8 26.Qd4 Qe6+/–) 26.Qc6+– Ne4 27.Qd6 Nd6 28.h5 Ne4 (28...Ne5 29.Be5 Re5 30.Rc6+–) 29.hg6 Ndf6 30.gf7 Rd8 31.Bf6 (31.Rh2!? Kg7 32.Rc6 Rd5+–) 31...Nf6 32.Rg1 b5 (32...Nd5 33.Rg8 Rg8 34.fg8R Rg8 35.Ng8 Kg8 36.Rc6+–) 33.Rc5 Ne4 34.Rg8 (34.Rg8 Rg8 35.fg8R (35.Ng8?! Nc5 36.bc5 Kg7+=) 35...Rg8 36.Ng8 Kg8 37.Rb5+–) 1–0. Williams,Barry M – McCarthy,Peter D, NZCCA HT corr New Zealand, 1998.

7.Be2 Be7 8.cd5 ed5 9.0-0 0-0 10.h3 Bh5 (10...Bf3 11.Bf3 c6 12.Nc3=) 11.d4 (11.Nc3 a5=) 11...c6 (11...Re8 12.Nc3=) 12.Nc3 (12.Nbd2 Qb6=) 12...Bd6 (12...Nb6 13.Re1=) 13.b5 Rc8 (13...Rb8 14.Qa4 Qb6 15.Rfc1=) 14.Rc1 (14.bc6 Rc6 15.Qb3 Qb6 16.Qb6 Rb6= (worse 16...ab6 17.Bb5+–)) 14...Bb8 (14...Qa5 15.bc6 bc6 16.Qa4=) 15.bc6 bc6 (15...Rc6 16.Qb3 Nb6 17.Rfe1=) 16.Ba6 (better 16.Re1=) 16...Qc7 (better 16...Rc7!?=) 17.g4+– (17.Bc8?? Bf3 18.g3 Bd1 19.Bd7 Qd7 20.Rfd1 Qh3–+) 17...Ng4 (17...Rce8 18.gh5 Re3 19.Ne5 Ne5 20.fe3+– (worse 20.de5 Qe5 21.f4 Rg3 22.Kh2 Qe3–/+)) 18.hg4+– (18.Bc8?? Ne3 19.Nd5 Nd5–+) 18...Bg4 19.Re1 (19.Bc8?? Bf3 20.Re1 Qh2 21.Kf1 Qg2) 19...Rce8 20.Bd3 Re6 (better 20...Nf6+–) 21.Rc2 (21.a4 Nb6 22.Ba3 Rf6 23.Bh7 Kh7 24.Qc2 Rg6 25.Ng5 Kg8–+) 21...Rg6 (better 21...Rh6 22.Nd5 Rh1 23.Kg2 Rh2 24.Kf1 Bh3 25.Kg1 Rg2 26.Kh1 Rh2 27.Kg1 Rg2 28.Kh1 Rh2 29.Kg1=) 22.Bg6+– fg6 23.Nd5! Qd6 (23...cd5 24.Rc7 Pinning (24.Rc7 Deflection; 24.Rc7 Clearance)) 24.Nf4 g5 25.d5 gf4 (25...c5 26.Bg7! Kg7 27.Qa1 Kh6 28.Ng5 Bf5+– (28...Kg5? 29.Qg7 Kf5 30.Qh7 Kf6 31.Qg6 Ke7 32.Qg4+–)) 26.Rc6+– Qe7 27.ef4 Qd8 (better 27...Qf7 28.d6 Be6+–) 28.d6 Rf4 (28...Bh5+–) 29.Qd5 Kh8 30.Re7 Nf6 31.Qg5 Qf8 32.Qf4 Bf3 33.Qf3 1–0. Marcus – 8854, internet, 2018.

7.h3 Bf3 8.Qf3 Ne5?? (better is 8...Bd6=) 9.Be5+– (9...a5 10.ba5 Ra5 11.Bc3+–) 1–0. mtre – Carlossimo, internet, 2002.

7.Nc3 a5 8.b5 =.

7.Nc3 c6 8.cd5 ed5 9.d4 (9.Be2 Bd6=) 9...Bd6 10.Bd3 Bd3 11.Qd3 Qe7 12.Rc1 (12.0-0 Nb6=) 12...0-0 (12...a5 13.b5=) 13.h3 (13.0-0 Nb6=) 13...Ne4 (13...Nb6 14.Nd2–/+) 14.Nd2 (14.0-0!?+=) 14...Nd2–/+ 15.Qd2 a5 (15...Nb6 16.Qc2–/+) 16.ba5 (16.b5 Nb6 17.Ra1 Nc4–/+) 16...Ra5 17.0-0 Ba3 18.Ba3 Ra3 19.Qb2 Nf6 20.Ra1 Rfa8 21.Ne2 (21.Ra3 Ra3 (21...Qa3?! 22.Qb7 Qa6 23.Qb3=) 22.Rb1 Qd6–/+) 21...Ra1 22.Ra1 Ra1 23.Qa1 Qb4 24.Nf4 (24.Ng3 Ne4–/+) 24...Ne4 25.Nd3 (25.Qc1 Qb3–/+) 25...Qd2–+ 26.Qf1 f6 (26...b6 27.Ne5 c5 28.Nc6–+) 27.Nf4–/+ Kf7 28.Qe2 (28.g3 g5 29.Nd3 b6–+) 28...Qc1 (28...Qe2 29.Ne2 Nd2 30.Nf4–+) 29.Kh2–/+ Nd2 (29...g5 30.Nd3 Qd2 31.Qg4+=) 30.Qh5 (30.Nd3 Qc2 31.Qh5 Ke7+=) 30...Ke7–/+ 31.Ng6 (31.h4 Nf1 32.Kh3 Ne3 33.Qg6 Qh1 34.Kg3 Nf1 35.Kg4 Nh2 36.Kg3=) 31...Kd8–+ 32.g3? (32.g4 Qc2 33.Qf5 Qf5 34.gf5 b5–+) 32...Qc2 (32...Qf1 33.Qf5 Ne4 34.Qf3–+) 33.Nf4 (better is 33.Qe2!?–/+) 33...Ne4–+ 34.Qf3 Qf2 35.Qf2 Nf2 36.Ne6 Kd7 37.Ng7 (37.Nc5 Kc8–+) 37...Nd1 (37...b5 38.Kg1 b4 39.Kf2–+) 38.Nf5? (better is 38.Kg2–+) 38...b5 39.Kg2 (39.Nh4 Ne3 40.Ng6–+) 39...b4 0–1. mgriffin (1615) – unnics (1885), net–chess.com, 2001. (=1.a3 d5 2.b4 Bf5 3.Bb2 e6 4.e3 Nf6 5.Nf3 Nbd7 6.c4 h6)

7.h3 a5 8.c5 +=.

7.h3 c5 8.b5 (8.cd5!? Nd5 9.Nc3 cb4 10.Nd5 ba3 11.Ba3 Ba3 12.Nd4=) 8...a6 (8...Bd6 9.Nc3+=) 9.cd5 (9.Nc3 Bd6+=) 9...ed5 (worse is 9...Nd5 10.Nc3+=) 10.ba6 ba6 11.Be2 (11.g4 Bh7+=) 11...Qb6 (11...Bd6 12.Nc3–/+) 12.Bc3 (12.Bf6 Nf6 (worse is 12...gf6 13.Nc3+=) 13.Nc3 Bd6+=) 12...Rb8 13.d3 Be7 14.Nbd2 0-0 15.0-0 Qc7 16.Qa4 Ra8 (16...Bd6 17.Rfc1+=) 17.Rfc1 Qd6 (17...Rfb8 18.e4 Be6 19.Rab1=) 18.Rd1 (better is 18.e4!? Nb6 19.Qc2 de4 20.de4+/–) 18...Bg6 19.Nf1 (19.Re1 Nh5=) 19...Nb6 20.Qb3 Nbd7 21.a4 (21.Qa4 d4 22.ed4 Nd5+=) 21...Rab8 22.Qa2 Rb7 (22...Qe6 23.Rab1+=) 23.N1d2 Nb8 (23...Rfb8 24.Rab1+=) 24.Rab1 (24.e4!? Qe6 25.Ne5+=) 24...Rb1= 25.Rb1 Nfd7 (25...Nc6 26.Rb7=) 26.Rb2 (26.e4!? Nc6 27.Rb7+=) 26...Nc6= 27.d4 (27.Rb7 Nb4 28.Qa1 Bd3 (worse is 28...Nd3 29.Bg7 Qc6 30.Rd7 Qd7 31.Bh6+/–) 29.Bd3 Nd3 30.Bg7 Rd8+=) 27...c4+= 28.a5 f5 (28...Bf5 29.Nc4 dc4 30.Qc4+=) 29.g3 (29.Ne5 Nce5 30.de5 Qc7+= (30...Ne5? 31.Rb6 Nc6 32.Nc4+–)) 29...Bf7 30.h4 (30.Qb1=) 30...Kh8 (30...Rb8 31.Ne5 Nce5 32.de5 Rb2 33.Qb2= (33.ed6?? Ra2 34.de7 Rc2–+)) 31.Kg2 Rg8 32.Rb1 Bg6 33.Qa4 f4–/+ 34.Rb7 fe3 35.fe3 Rb8 36.Rb8+= Ndb8 37.Ne5 Be8 38.Qa1 Bf6 39.Nf1 Nd7 40.Nc6 Qc6 41.Bf3 Bf7 42.Nh2 Bg8 43.Ng4= Qe6 44.Qc1 h5 45.Nf2= g6? 46.e4+/– Bg7 47.ed5 Qf5 48.Qg5 Qf7? 49.Ne4+– Nf6 50.Nf6 Bf6 51.Qh6 Bh7 52.d6 Qg7 53.Qf4 Bg8 54.Bc6 Bd8 55.Qe5 White prepares d5 55...Bf6 56.Qe8 White intends d7 56...Qf7 57.Qf7 Bf7 58.d7 g5 59.d5 Bc3 60.d8Q Bg8 61.Qg5 Bg7 62.d6 c3 63.d7 c2 64.Qh5 Bh7 65.d8Q Bf8 66.Qf8 1–0. Woloszyn,Piotr (1845) – Bielinski,Pawel (1800), Mistrzostwa Ursusa Poland, 2007.

7.h3 Be7 8.cd5= ed5 9.Be2 0-0 10.0-0 c6 11.d3 a5 12.b5 c5 13.Nc3 Re8 14.Re1 Nb6 (14...Bd6 15.Qb3 Be6 16.Qc2=) 15.Bf1 (15.Na4 Rc8=) 15...Qd7 16.Rc1 Bh7 (16...Bd6 17.Qc2=) 17.Ne5 (17.Be2 Bd6=) 17...Qd6 (17...Qe6 18.Ne2=) 18.Na4 Na4 19.Qa4 Bf8 20.Nf3 Nd7 21.Ba1 (21.Be2 Be7=) 21...Nb6 (21...Qe6 22.Be2=) 22.Qd1 (22.Qg4 f5 23.Qf4 Qf4 24.ef4 Rac8=) 22...a4 23.Bc3 (23.Qd2 Qd7=) 23...Qd7+= 24.Rb1 (24.Ne5 Qb5 25.Rb1 Qa6+=) 24...f6 (24...c4 25.Bd4 Qe6 26.Ra1=) 25.Qd2= Nc8 26.e4 (26.Be2 Nd6 27.b6 Nb5=) 26...d4 (26...Nd6 27.b6+=) 27.Ba1 Nd6 28.Qb2 (28.Qc2 b6=) 28...f5 (28...b6 29.e5 fe5 30.Ne5+=) 29.Qa2 (29.e5 Nf7=) 29...Qe6 30.Qc2 (30.Qe6 Re6 31.ef5 Re1 32.Ne1 Bf5 33.g4–/+) 30...b6 (30...fe4 31.Qc5 Nc4 32.Qc4 Qc4 33.dc4 ef3 34.Re8 Re8 35.Rd1–/+) 31.Nd2 (31.e5 Nf7=) 31...Qf6 32.ef5 (32.Be2 Ra5+=) 32...Bf5 (32...Re1 33.Re1 Bf5 34.g4+=) 33.g3 (33.Re8 Re8 34.Nc4 Nc4 35.Qc4 Kh7 36.Qa4 Qg6–/+) 33...Kh8 (33...Re1 34.Re1 Qf7 35.Nc4 Nc4 36.Qc4 Qc4 37.dc4–/+) 34.h4 (34.Re8!? Re8 35.Qa4+=) 34...Re6 (34...Re1 35.Re1 Nb5 36.Bg2–/+) 35.Bg2 Rae8 36.Re6 Re6 37.Nf3 (37.Ne4 Qg6 38.Re1 c4–/+) 37...Bg6 38.Bh1 (38.g4!?–/+) 38...Bh5–+ 39.Re1 (39.Qa2 Qf5 40.Re1 Re8 (40...Bf3?! 41.Qe6 Qd3 42.Bf3 Qf3 43.Bb2+=) 41.Re8 Be8–+) 39...Nb5 (39...Bf3 40.Re6 Qe6 41.Bf3 Qe1 42.Kg2 Qa1 43.Qe2 Nb5 44.Qe8–/+) 40.Re6 (40.Qa4!? Nc7 41.Re6 Qe6 42.Qd1–/+) 40...Qe6–+ 41.Qa4 Nc3 (better is 41...Qa2!? 42.Qb5 Qa1 43.Kh2 Qf1–+) 42.Bc3–/+ dc3 43.Qc2 Qf6 44.Ne1 b5 45.Qb3 b4 46.Be4 (46.Bd5 Qe5 47.Be4 Bg4–/+) 46...Bf7–+ 47.Bd5 Bd5 48.Qd5 ba3 49.Nc2 Qa6 50.Qf7 Qa8 51.Qa2 Kh7 52.Qb3 (52.h5!? Qa4–+) 52...a2 53.Qc3 h5 54.Qb2 (54.d4 cd4 55.Qd4 g6–+) 54...Qa7 (54...Qa4 55.Kg2–+) 55.Qb3 (better is 55.Na3!? c4! 56.Qa2–+) 55...g6–+ 56.Kg2 Bg7 57.Qd5 Bd4 58.Qe4 (58.f3 a1Q 59.Na1 Qa1 60.Qf7 Bg7–+) 58...Qf7 59.Qe2 Qd5 60.Kg1 (60.Qe4 Qe4 61.de4 c4–+) 60...Bg7 (60...a1Q 61.Na1 Ba1 62.Qe7 Bg7 63.Kh2–+) 61.Kh2 Qe5 62.Qe5 Be5 63.Kg2 a1Q 64.Na1 Ba1 65.Kf3 Kg7 66.Ke4 Kf6 67.Kf4 Bd4 68.Kf3 Kf5 69.Kg2 Kg4 70.f3 Kf5 71.Kf1 Be5 72.Kg2 Bc7 0–1. Degterev,Pavel (2275) – Szczepanski,Zbigniew, ST–2009–0-00059, 2009.

7.a3 a4 8.Qd1 Be7 (8...dc4 9.Bc4 Nb6 10.Be2=) 9.Nc3 (9.cd5 ed5 10.Bb5 0-0=) 9...dc4 10.Bc4 Nb6 11.Be2 c5 (11...Bd3!?=) 12.Bb5 Pawn a4, live or die! 12...Nfd7 13.0-0 (13.bc5 Bc5 14.0-0 Bd6+=) 13...0-0= 14.bc5 Nc5 15.Nd4 (15.d4!? Ne4 16.Na4 Na4 17.Ba4+=) 15...Bd3 (better 15...Bg6=+) 16.Re1? (better 16.Bd3 Nd3 17.Qc2 Nb2 18.Qb2=) 16...e5-+ 17.Nf3 (17.Qg4 ed4 18.ed4 f5-+) 17...f6 (17...Ra5 18.Bd3 Nd3 19.Qc2 Ne1 20.Re1-+) 18.e4 (18.Bc1 Bb5 19.Nb5 Nd3-/+) 18...Nc4 (18...Bb5 19.Nb5 Nd3-+) 19.Na4? (better 19.Bc4 Bc4 20.d4=+) 19...Na4-+ 20.Ba4 Nb2 21.Qb3 Bc4 22.Qb2 Ra4 23.Qb7 Ra3 24.Rac1 (24.Qc6 Bf7-+) 24...Ba6 25.Qc6 Qe8 (25...Bd3 26.Qb7-+) 26.Qe6 Kh8 27.Rc6 Bb5 28.Rc7 (28.Rc3 Bd7 29.Qc4 Bg4-+) 28...Bd8 29.Qe8 Re8 30.Rc5 Rb3 (30...Bd3 31.Rd5-+) 31.Rc8 (31.Re3 Rb1 32.Re1 Rb4-+) 31...Bb6 32.Rec1 Rg8 33.Nh4 (33.Ne1 Rb4 34.d3 Ba5-+) 33...Ba5 (33...Rb2!? 34.R8c3 g5 35.Nf5 Rd2 36.h3 Bf2 37.Kh2-+) 34.h3 Bd7 (34...Bd3 35.Nf5 h5 36.f3-+) 35.R8c5 Bd2 36.Rd1 Bg5 (36...Bb4 37.Rc7 Be6 38.Nf5-+) 37.Nf3 (37.Rd7 Bh4 38.g3 Bg5-+) 37...Rf3! 38.gf3 Bh3 39.Rcd5 (39.Kh2 Bc8-+) 39...h5 40.Rd8 (40.Kh2 Be6 41.Rd6 Re8-+) 40...Bf4 41.R1d6 Kh7 42.Rg8 Kg8 43.Rd8 ½-½. jraul (1840) - cyril78 (1910), gameknot.com, 2022.

7.cd5 ab4 8.Bf6 Qf6 9.d4 =+.

7.Bc4 Nb6 8.0-0 =+.

7.Bc4 Nb6 8.Bb5 c6 9.Be2 =+.

7.Bc4 Nb6 8.Be2 =+.

7.d4 0-0 8.Be2 (8.Bd3 dc4 9.Bc4 Nd5=+) 8...dc4 9.Bc4 Ne4 10.Qb3 Nb6 11.0-0 Nc4 12.Qc4 h6 (12...Qd6 13.Nbd2=+) 13.Bb2 (13.Nbd2 Bd6=+) 13...Qd5 14.Qc7 Bb4 15.Rc1 Bd6 (15...Rfd8 16.Nc3 Nc3 17.Bc3–/+) 16.Qc4 (16.Nc3 Nc3 17.Qc3 Be4=+) 16...Qc4–/+ 17.Rc4 b5 18.Rc1 Rac8 19.Nbd2 Nd2 20.Nd2 Rfd8 (20...Bd3 21.e4=+) 21.e4 Bg6 (21...Rc1 22.Rc1 Bf4 23.ef5 Bd2 24.Rc7=) 22.Rc8 Rc8 23.Rc1 Rc1 24.Bc1 Bf4 25.e5 b4 26.g3 Bg5=+ 27.f4 Be7 28.Kf2 f6 29.Ke3 Kf7 30.ef6 gf6=+ 31.g4 h5 32.gh5 Bh5 33.h3 Kg6 34.Nb3 Kf5 35.d5 ed5–/+ 36.Bb2 Kg6 37.Bd4 a6 38.Bb6 Bd6 39.Nd4 f5 40.Nc6 Bd1 41.Nd4 Be7 42.Nc6 Bf8 43.Nb8 Ba4 44.Na6 Bb5 45.Nc5 Bc4 46.Nb3 Be7 47.Nc1 Kf7 48.Kd4 Bd6–/+ 49.Ke3 Kf6 50.h4 Kg6 51.Kf3 Be7 52.Bf2 Kh5 53.Be1 d4 54.Nb3 d3 55.Ke3 Bh4 56.Bb4=+ Bd8 57.Kd4 Bb5 58.Nc1 Bb6 59.Kc3 Kg4 60.a3 Kf4=+ 61.Nd3 Ke4 62.Nc5 Kd5 63.Nb7 f4 64.Nd6 f3?? 65.Nf5?? f2–+ 66.Ng3 Bc7 67.Bc5 Bg3 68.Bf2 Bf2 69.Kb4 Bc4 70.Ka5 Kc5 71.Ka4 Bd4 72.Ka5 Bb5 73.a4 Bc3# 0–1. SuperForte5 – REXChess 80286, 1994.

7.d4 Ne4 8.a3 0-0 9.Bb2 (9.Qb3 Nb6=+) 9...a5–/+ 10.Qb3 ab4 11.cd5 Ndf6 (11...Nb6 12.de6 Be6 13.Qc2–/+) 12.de6=+ Be6 13.Qc2 (13.Bc4 Bc4 14.Qc4 ba3 15.Na3 Nd6=) 13...b3 14.Qd3 c5 (14...Bd5 15.Nc3–/+) 15.Nbd2=+ Qa5 16.dc5 Rfd8 17.Qe2 (17.Nd4 Nc5 18.Qb5 Qb5 19.Bb5 Bd5=) 17...Bc5 18.Nd4 (18.h3 Nc3 19.Bc3 Qc3–+) 18...Bc4! 19.Qd1 (19.Qc4 Qd2) 19...Bd5 (19...Bd4 20.Bd4 Bf1 21.Rf1 Rd4 22.ed4–+) 20.Qc1 (20.f3 Nc3 21.Qc1 Bd4 22.ed4 Re8 23.Kf2 Rac8–/+) 20...Rac8 21.Qd1 Ng4! 22.f3 Ne3 23.fe4 Nd1 24.Rd1 Bd4 25.Bd4 Be4 26.Be3 b2 27.Be2 b1Q 28.Rb1 Bb1 29.0-0 Rd2 30.Bd2 Qd2 31.Bh5 Rc2 32.Bf3 Qe3 33.Kh1 Rc1 34.Bd1 Qd3 35.Kg1 Qd4 36.Kh1 Rd1 37.h3 Rf1 38.Kh2 Qf4 39.g3 Qf2# 0–1. SuperForte 5 Mhz – REXChess 80286 12Hz, 1994.

7.d4 b6 8.Nc3 =.

7.d4 c6 8.Nbd2 Ne4 9.Be2 Nd2 10.Nd2 Be2 11.Qe2 Qc7 12.e4 de4 13.Ne4 Nf6 (13...Be7 14.0-0=) 14.Nf6+= gf6 15.0-0 Bh6 16.d5 (White is in command) 16...cd5 17.Bf6 Rg8 18.Be5 Qd7 (18...Qc6 19.Rfd1+=) 19.f4 Bg7 (19...Qa4 20.a3+=) 20.f5 (20.Rad1!?+=) 20...Be5= 21.Qe5 0-0-0 (Black prepares d4) 22.fe6 fe6 23.Rac1 d4 (23...Rg4!? 24.a3 Rdg8=) 24.c6+/– Qd5 (24...bc6 25.b5+/–) 25.cb7 Kb7 26.Rf7 Ka8 27.Qd5 Rd5 28.Rh7 (better is 28.Rcc7 h5 29.Ra7 Kb8 30.Rfb7 Kc8 31.Rc7 Kb8 32.Rab7 Ka8 33.a3+/–) 28...Rf8? (28...d3 29.a3+/–) 29.Re7 (29.Rcc7 a5 30.Ra7 Kb8 31.Rhb7 Kc8+–) 29...e5 (29...Rd6 30.Re1 Ra6 31.Rd7+/–) 30.Rc5 Rc5+/– 31.bc5 Rf5 32.c6 Kb8+/– 33.g4 Rf4 34.Re5 Rg4 35.Kf2 Kc7 36.Re7 Kc6= 37.Ra7 Re4 38.Ra3+= Kc5 39.Kf3 Re5?? 40.Kg3 Re4 41.h4 Kc4 42.Ra8 Kd3 43.h5 Ke2 44.h6 Re7 45.Rg8 d3 46.Rg7 Re8 47.h7 Rh8 48.Re7 Kd1 49.Kf3 d2= 50.Ke3 Rc8 51.Rc7 Re8 52.Kf2 Rf8 53.Kg2 Re8 54.a4?? Ke2–+ 55.Re7 Re7 56.h8Q d1Q 57.Qh5 Kd2 58.Qg5 Re3 59.Qd5 0–1. De Visser,Arno – Ory, 1988.

7.Be2 a5 8.a3 =.

7.Be2 Bf3 8.Bf3 c6 9.d4 Be7 (9...b6 10.Be2=) 10.Nc3 0-0 11.0-0 a6 (11...b6 12.a3=) 12.a4 (12.a3 b6=) 12...Qc7 (12...b6 13.a5 bc5 14.bc5+=) 13.Be2 Rfb8 14.Ba3 g6 (14...b6 15.Qd3=) 15.Qc2 b5 (15...b6 16.Rab1+=) 16.ab5 (16.Bb2 e5+=) 16...ab5 17.Bb2 Qc8 18.Rfb1 (18.f3 Qc7+=) 18...Ra1 19.Ra1 Ra8 20.Qb1 Bf8 21.Ra2 Qb7 22.Qa1 Ra2 23.Qa2 Ne8 24.e4 (24.Qb3 Nc7+=) 24...Nc7 (24...Bg7 25.Qa5=) 25.ed5 (25.e5 Bh6+=) 25...ed5= 26.Bg4 Nf6 27.Bf3 Bg7 (27...Ne6 28.Ne2=) 28.Ne2 (28.Bc1 Nd7 29.Be3 Qa6=) 28...Ne6 29.h4 (29.Bc1 g5 30.h3 h5=) 29...h5 (29...g5 30.hg5 Ng5 31.Qa3=) 30.Bc1 (30.Qa1 Qe7=) 30...Nh7 (30...Ng4 31.Bg4 hg4 32.Be3+=) 31.Be3= Nf6 32.Qa5 Kh7 33.g3 (33.Nf4 Nf4 34.Bf4 Qe7=) 33...Qd7 (33...Ng4 34.Qb6 Qa8 35.Qa5=) 34.Qa1 (34.Qb6 Qe8=) 34...Ng8 (34...Ng4 35.Qc3=) 35.Qb1 Kh8 36.g4 (36.Bg2 Nf6=) 36...hg4+= 37.Bg4 Qe7 38.h5 gh5 (38...Nf6 39.Be6 Qe6 40.hg6 Qg4 41.Kf1 fg6 42.Nc3=) 39.Bh5= Nf6 (39...Nh6 40.Kg2=) 40.Bf3 Nh7 (40...Nd7 41.Bg4=) 41.Qf5 (41.Qa1 Qe8=) 41...Qf6 (41...Kg8 42.Bg2=) 42.Qh3 (42.Bg4 Kg8=) 42...Qg6 43.Kh2 Kg8 44.Bh5 Qf6 45.Qg4 Neg5 (45...Qe7!?=) 46.Ng3+= Kf8?? (46...Ne6 47.Nf5 Nhg5 A) 48.Ng7?! Qg7 (48...Kg7? 49.f4+–) 49.f3 Nh7=; B) 48.Nd6+/–) 47.Nf5 (better is 47.Qc8 Ke7 48.Nf5 Qf5 49.Qf5+–) 47...Ne4? (better is 47...Ne6+/–) 48.Kg2 (48.f3 Neg5 49.Bf4 Qe6 50.Bd6 Kg8+–) 48...Neg5 (48...Nhg5 49.Ng7 Kg7 50.f4+–) 49.Nd6 (better is 49.Bf4 Qe6 50.Bg5 Ng5 51.Qg5+–) 49...Ke7?? (49...Qe6 50.Qe6 (50.Bg5?! Qg4 51.Bg4 Ng5+=) 50...Ne6 51.Bf7+–) 50.f3 (50.Qc8 Qe6 51.Qe8 Kf6 52.Qd8 Qe7 53.Ne8 Ke6 54.Ng7 Kf6 55.Ne8 Ke6 56.Qc8 Qd7 57.Bg4 f5 58.Bf5 Kf5 59.Qd7 Ke4 60.Qg4 Kd3 61.Qd1 Kc3 62.Bd2 Kd4 63.Qa1 Ke4 64.Nd6 Kd3 65.Qc3 Ke2 66.Qc2 Ne4 67.Bc3 Nd2 68.Qd2) 50...Bh6?? (50...Ne6 51.Nf7 Kd7 52.Ne5 Kc8 53.Be8+– (worse is 53.Nc6 Bh6 54.Qg8 Nhf8 55.Ne7 Kd8 56.Nd5 Qg7 57.Qg7 Bg7+–)) 51.Qf5 (better is 51.Qc8 Qe6 52.Qe8 Kf6 53.Qh8 Ke7+–) 51...Bg7?? (51...Qe6 52.Bg4 Nf6+– (52...Qe3?? 53.Qd7 Kf6 54.Ne8 Qe8 55.Qe8+–)) 52.Qg4 Kf8?? (52...Bh6 53.Qc8 Qe6 54.Qe8 Kf6 55.Qh8 Ke7+–) 53.f4 (53.Qc8 Ke7 54.Qe8) 53...Ne4 1–0. Matveenko,Yury (2145) – Vechkanov,Valery (2025), Borisoglebsk Bocharov Memorial 8th, 2008.

7.b5 b6 8.Be2 Be7 9.0-0 0-0 10.Nh4 Bg6 11.Ng6 hg6 12.Nc3 Ne5 13.cd5 ed5 14.Qb3 Qd6 15.f4 Ned7 16.Bf3 Nc5 17.Qc2 d4 18.Ne2 d3 19.Qd1 de2 20.Qe2 Nd3 21.Bd4 Nf4 22.Qc4 N4d5 23.Bf6 Nf6 24.Ba8 Ra8 25.Rac1 Qd2 26.Qc7 Qe3 27.Kh1 Bc5 28.Rce1 Qa3 29.Qc6 Rf8 30.Rf3 Qb4 31.Ref1 a4 32.Rh3 Qc4 33.Qf3 Qg4 34.Qc3 a3 35.Rg3 Qe2 36.Re1 Qf2 37.Rf3 Qh4 38.Rh3 Qd4 39.Qb3 Ng4 40.Rf3 Nf2 41.Rf2 Qf2 42.Ra1 Re8 43.h3 Re1 44.Re1 Qe1 45.Kh2 Bg1 46.Kh1 Bf2 47.Kh2 Qg1 0-1. carlos78 (2350) - vlabor64 (2135), Rated Blitz game, lichess.org.

7.b5 Nc5 8.d4= Nce4 9.Nbd2 Bd6 10.c5 Be7 11.Ne4 Ne4 12.Nd2 (12.Bd3 0-0=) 12...0-0 (12...Bh4 13.Ne4 Be4 14.Rg1+=) 13.Ne4 Be4 14.f3 (14.Bd3 Bd3 15.Qd3 b6=) 14...Bg6 15.Bd3 e5 (15...Bh4 16.g3 Be7 17.Bg6 fg6 18.0-0=) 16.Bg6 (16.0-0 Qd7+=) 16...hg6 (16...fg6 17.0-0+=) 17.Qc2 (17.0-0 a4+=) 17...ed4 18.Bd4 Bh4 19.g3 Bf6 20.Rd1 (20.0-0 Bd4 21.ed4 Qf6+=) 20...Re8 21.Kf2 c6 22.a4 Re6 23.h4 (23.Rhe1 Qe7=) 23...Bd4 24.Rd4 Qf6 25.Qd2 Rae8 26.Re1 Re4 27.Re4 (27.Qc3 Kh7=) 27...de4 28.f4 Qf5 (28...cb5 29.Qa5 ba4 30.Qa4 Re7=) 29.Qa5 (29.bc6 bc6 30.Qa5+=) 29...Qc5+= 30.g4 b6 31.Qa6 Rd8 32.Re2 Qc1 33.f5 (33.Re1 Rd2 34.Re2 Rd1 35.Qc8 Kh7 36.Qc6 Rf1 37.Kg3 Rg1 38.Rg2 Qe1 39.Kh3 Rh1 40.Rh2 Qe3 41.Kg2 Qf3) 33...Qh1 0–1. Macedo,Alexandre Soares De (2050) – Macedo,Maximo Iack (2255), Final Do Campeonato Potiguar Absoluto D, 2008.

7.c5 ab4 8.ab4 Ra1 9.Ba1 c6 10.Bf6 Qf6 11.d4 e5 12.Nc3 e4 13.Ng1 Be7 14.Nge2 b6 15.Ng3 bc5 16.Nf5 Qf5 17.bc5 Qf6 18.Nb1 0-0 19.Ba6 Ra8 20.Be2 Bd8 21.0-0 Bc7 22.Qb3 Rb8 23.Qa4 Nf8 24.Nc3 Qh6 25.h3 Rb2 26.Qa1 Rb7 27.Bg4 Qf6 28.Rb1 Rb1 29.Nb1 Qd8 30.Qa6 Bb8 31.Qc6 Qa5 32.Kf1 Qb4 33.Qb6 Qc4 34.Ke1 Bh2 35.Bd1 Qc1 36.Qb3 Bc7 37.Qc2 Qc2 38.Bc2 Ba5 39.Ke2 Ne6 40.g4 g6 41.Ba4 Kg7 42.Na3 Kf6 43.Nb5 Ng5 44.h4 Nf3 45.Nd6 Nd2 46.g5 Ke7 47.Bc6 Ke6 48.Be8 Nb1 49.Bf7 Ke7 50.Kd1 Nc3 51.Kc2 Nb5 52.Bd5 Nd6 53.cd6 Kd6 54.Be4 Be1 55.f4 Bh4 56.Kd3 Be1 57.Bg2 Bg3 58.Ke4 Be1 59.Bh3 Ke7 60.f5 gf5 61.Bf5 Kf7 62.Kf4 Ke7 63.Bh7 Bd2 64.Bd3 Be1 65.Bc4 Bd2 66.Ke4 Bc1 67.Bd5 Bd2 68.Kd3 Bc1 69.g6 Kf6 70.Bf7 Ba3 71.Kc4 Bb2 72.e4 Kg7 73.e5 Kh6 74.e6 Ba3 75.Kb5 Bf8 76.Kc6 Kg5 77.d5 1–0. bambinik (2480) – onnimatger36 (2380), 2003.

7.cd5 ab4 8.de6 Be6 9.Nd4 =+.

9.Ba1 c5 10.Bc3 (10.Bf6 Qf6 11.cd5 ed5=) 10...Ne4 (10...cb4 11.Bf6 Nf6 12.d4=+) 11.cd5= Nb6 (better 11...cb4!? 12.Bd4 Qc7=) 12.de6 (12.Bb5 Ke7 13.d3 Nc3 14.Nc3 cb4 15.Qb4 Qd6 16.Qh4 f6 17.de6 Bd3+-) 12...Be6 13.Qb2 Nc4 (13...Nc3 14.dc3 c4 15.Nd4+/-) 14.Bc4 Bc4 15.Bg7 (better 15.Na3!? cb4 16.Bb4+-) 15...Qd3= 16.Nc3?? (better 16.Qe5 Be7 17.Qb8 Bd8 18.Qe5 Be7 19.Qb8 Bd8 20.Qe5 Be7=) 16...Bg7 (16...Nc3 17.dc3 Bg7 18.Nd4 cd4 19.Qd2-+) 17.Qb1 Nc3 18.Qd3 Bd3 19.dc3 Bc3 (19...Bc3 20.Nd2 c4-+) 0-1. dannysmet (2050) - joeabr04 (2020), Rated Blitz game, lichess.org, 2021.

9.Ba1 c6 10.Be2 Bd6 (10...dc4 11.Bc4 Be4 12.Bc3+=) 11.0-0 (11.c5 Bc7=) 11...0-0 (11...dc4 12.Qc4 Qb6 13.Bc3+=) 12.Nh4 (12.c5 Bb8=) 12...Ng4 (12...dc4!? 13.Qc4 Be4–/+) 13.Nf5= Nh2?? (better is 13...dc4 14.Qc4 ef5+=) 14.Nd6+– Nf1 15.Bf1 Qh4 (15...Qe7 16.Qc3 e5 17.c5+–) 16.cd5 ed5 (16...cd5 17.Nb7 Rb8 18.Qc3+–) 17.Qb2 (better is 17.Bg7!? Rb8 18.Nf5 Qh5+–) 17...f6 18.Nc3 White intends b5 18...Ne5 19.Be2 (19.Nb7?? Ng4 20.Bb5 Qf2 21.Kh1 Qe1 22.Bf1 Qf1) 19...Ra8 20.Nb7 Nc4 21.Bc4 Qc4 22.b5 (better is 22.Na5 Qa6 23.Qb3+–) 22...cb5 23.Nb5 (better is 23.Nd6 Qc7 24.Ndb5+– (worse is 24.Ncb5 Qa5+–)) 23...Qe2?? (better is 23...Qa4 24.Nc3 Qa1 25.Qa1 Ra1 26.Kh2 Rc1 27.Nd5 Rc2+–) 24.N7d6 (better is 24.Qb1+–) 24...Qd1+/– 25.Kh2 Ra1? (25...Qh5 26.Kg3 Qg6 27.Kf3 Qh5 28.g4 Qh1 29.Ke2 Ra1 30.Kd3 Qf1 31.Kd4 Ra4 32.Kd5 Qf2 33.Qb3+–) 26.Qd4 (better is 26.Kg3!? Ra4 27.Nd4+–) 26...Qh5+/– 27.Kg3 Qg5 28.Kf3 Rg1 29.Qg4 (29.g4 h5 30.Nc3 hg4 31.Ke2 g3 32.Qd5 Qd5 33.Nd5 Rg2+–) 29...Qg4+/– 30.Kg4 Rg2 31.Kf3 Rg5 32.Nc7 h5 33.e4 (better is 33.d4+–) 33...de4 34.Ne4 Ra5 35.Kg3 Kh7 (35...h4 36.Kg2+=) 36.d3 Kh6 37.Ne6 g5 38.Nf6 (38.d4 h4 39.Kg2 Kg6=) 38...Ra6= 39.Ng8 Kh7 40.Ng5 Kg8 41.Kh4 Rd6 42.Kh5 Rd3 43.f4 Rd4 44.f5 Rf4 45.Kg6 Rf1 46.f6 Kf8 47.Ne6 Ke8 48.f7 (48.Ng7 Kf8=) 48...Rf7+= 49.Ng5 Ra7 50.Kf5 Ra5 51.Kf4 Ke7 52.Ne4 Ke6 53.Ng5 Kf6 54.Ne4 Kg6 55.Nd6 Ra4 56.Ke5 Kg5 57.Ke6 Kg6 58.Nc4?? (58.Ke5!?=) 58...Ra6 (58...Rc4 59.Kd5 Rc8 60.Ke5–+) 59.Nb6?? (better is 59.Ke5+=) 59...Rb6–+ 60.Ke5 Rb5 61.Kd4 Rb4 62.Kc3 Rb1 0–1. elsh1403 (1620) – grzesiuadi (1715), kurnik, 2014.

8.cd5 ed5 9.Nc3 Bd6 10.a4 (10.Nd4 Bg6=) 10...Qe7 11.Qb3 0-0 12.Be2 Rfe8 13.0-0 h6 14.Rfc1 Rad8 15.Ba3 Ne4 16.Bd6 Rd6 17.Ne4 Be4 18.Qc3 c6 (18...Rd7+=) 19.bc6 (better is 19.Qa5!? Nc4 20.Qb4+/– (worse is 20.Bc4 dc4 21.Ne1 Red8+=)) 19...Rc6= 20.Qa5 Nc4 (20...Ra8 21.Qb5 Ra4 22.d3=) 21.Qa7+= Bf3 (21...Rec8!? 22.d3 Bf3 23.Bf3 Ne5 24.Rc6 Nf3 25.gf3 Rc6 26.Qb8 Kh7=) 22.Bf3+/– (worse is 22.gf3 Rg6 23.Kh1 Qh4–/+ (23...Nd2?! 24.Rg1=)) 22...Nd2 (22...Rd8 23.Qd4+/–) 23.Bd5 Rd6 24.e4 (worse is 24.Bb7 Rd7 25.Qc5 Qc5 26.Rc5 Rb7–/+; 24.Qb7?! Qb7 25.Bb7 Nb3+/–) 24...Rd5 25.ed5 Nb3 26.h3 Na1 (26...Qd7 27.a5 Na1 28.Ra1 Qd5 29.Qb6=) 27.Ra1+/– Qb4 28.d6 Re1? (28...Qd6 29.Qb7 Deflection) 29.Re1+– Qe1 30.Kh2 Qe5 31.g3 Qd6 32.Qa8 Kh7 33.Qb7 Qd4 34.Qb1 g6 35.Qa2 Qa7 36.a5 Kg8 37.Qd2 Kh7 38.Kg1 h5 39.h4 Qb7 40.Qd4 Qb1 41.Kh2 Qb7 (41...Qb5 42.Qb6 Qd3 43.a6+–) 42.Qb6 Qf3 43.a6 Kg7 (43...Qe2 44.a7 Qf3+–) 44.a7 Kh7 45.Qe3 (better is 45.Qd4 g5 46.Qe3+–) 45...Qb7 46.Qa3 Qa8 47.Kg1 Kg8 48.Qa6 (better is 48.Qe7!? Kg7+–) 48...Kh7 49.Qb6 Qe4 (49...Qd5 50.Qb8 Qd1 51.Kh2+–) 50.Qb8 (50.Qb3!? Kg7+–) 50...Qe1 51.Kg2 Qe4 52.Kh2 1–0. Melich,Jindrich (2080) – Routner,Jakub (2085), CZE–chT2A, 2009.

8.cd5 ed5 9.d3 Bd6 10.Be2 0-0 11.0-0 Re8 12.Qc2 Nbd7 13.Nbd2 a4 14.Rfc1 Qe7 15.Qc3 Nf8 16.Nd4 Bd7 17.N2f3 Ng6 18.h3 Rec8 19.g4 (19.Rab1 Re8=) 19...c5 20.bc6 bc6 21.Nf5 Bf5 22.gf5 Nf8 23.Kh1 (23.Rab1 c5=) 23...Rab8 (23...Qd7!? 24.e4 Re8=+) 24.Rg1= N8d7 25.Bd1 Ra8 26.Rg4 c5 27.Ra4 (27.Ba4 d4 28.Qb3 Rcb8–+ (28...de3 29.Qc3 ef2 30.Bd7+–)) 27...Ra4 28.Ba4 d4 29.Nd4 Nb6 30.Nc6 Qb7 31.Rg1 Nbd7 (31...Na4 32.Qf6 Qc6 33.e4 Bf8 34.Rg7 Kh8 35.Rh7 Kh7 36.Qh8) 32.e4= Rc6 33.Bc6 Qc6 34.Qc1 Bc7 (34...Bf8 35.Qg5=) 35.Rg2 (35.Qg5 g6 36.Rc1 Qd6–/+) 35...Qd6 (35...Ne5 36.Qh6 Ng6 37.Qe3=) 36.Qe3 (36.Qg5 g6 37.fg6 hg6+=) 36...g6 37.Bc3 Nh5 38.d4 Qa6 (38...Nf4 39.fg6 Ng2 40.gf7 Kf7 41.Kg2+=) 39.e5 cd4 (39...Qa3 40.e6 cd4 41.Qd4+= (41.Bd4?! Qe3 42.Be3 Ndf6=)) 40.Bd4 Ng7 41.fg6 (41.Qc3 Ba5 42.Qf3 Nf5 43.Qf5 Qf1 44.Kh2 Qg2 45.Kg2 gf5–/+) 41...hg6 42.f4 (42.Qc3 Ne6 43.f4 Qf1 44.Rg1 Qf4–+) 42...Nf8 (42...Nf5 43.Qe4=) 43.Qf3+= Nf5 44.Bf2 Bd8 45.Qe4 (45.Rg1 Be7=) 45...Kh7= 46.a4 Qf1 47.Kh2 Ne6 48.Qb7 Bc7 (48...Be7 49.Qd5=) 49.Qe4= Ba5 50.Qb7 Bc7 51.Qe4 (51.Qb4 Nfd4 52.Qe7 Kg8 53.Bd4 Qf4 54.Kh1 Qd4 55.Rg6 fg6 56.Qe6 Kf8 57.Qf6 Ke8 58.Qg6 Kd8 59.Qg8 Ke7 60.Qg7 Kd8 61.Qh8 Ke7 62.Qf6 Ke8 63.Qc6 Kd8=) 51...Qc1 52.Rg4 Qd2 53.Kg1 (53...Nh6 54.Rh4=) =. marekt – NESTY, ChessWorld.net, 2003.

8.Nc3 0-0 9.d4 c6 10.Qb3 (10.c5 Bc7=) 10...a4 (10...dc4 11.Bc4 Nb6 12.Be2=+) 11.Na4= cb5 12.cb5 (12.Qb5 dc4 13.Bc4 Bc2+=) 12...Qa5= 13.Nc3 Ne4 14.Nd2 (14.Nh4 Rfc8 15.Rc1 Nc3 16.Bc3 Qa3 17.Qa3 Ba3 (17...Ra3?! 18.Nf5 ef5 19.Bd2 Rc1 20.Bc1 Bb4 21.Kd1–+) 18.Nf5 ef5–+ (18...Bc1?! 19.Ne7 Kf8 20.Nc8 Rc8 21.Bb4 Ke8 22.Be2=)) 14...Nd2=+ 15.Kd2 Nb6 16.Bd3 Rfc8 (16...Bd3!? 17.Kd3 Nc4=+) 17.Bf5= Nc4 18.Kd3 ef5 19.Rhb1 (19.Rhc1 Bh2 20.g3 Re8=) 19...f4 (worse 19...Nb2 20.Rb2 Rc4 21.Nd5+–) 20.Bc1 (20.Nd5 Qd2 21.Ke4 Qe2 22.Nf6 gf6 23.Qc4 Rc4–+) 20...fe3 21.fe3 Qd8 22.g3 (22.Nd5!? Qg5 23.e4 Qg2 24.Ne3=+) 22...Qf6 23.Ra2 Qg6 24.Ke2 Na5 25.Qc2 Rc3 26.Qc3 Qb1 27.Rb2 Qe4 28.Rc2 Nc4 29.Qb3 Qg2 30.Kd3 Qf1 31.Kc3 Rc8 (New Zealand Chess Magazine Vol 28 No 5 October 2002) 0–1. Bennett,Hilton – Smith,Bob, NZL New Zealand North Shore Open, 2002.

8.d4 dc4 9.Bc4 0-0 10.Nc3 =.

8.d4 Ne4 9.Nc3 0-0 10.Qb3 (10.c5 Be7=) 10...Nc3 11.Bc3 Nf6 12.c5 Be7 13.Ne5 White plans c6 13...Nd7 14.c6 Ne5 15.cb7 The passed pawn on b7 will quickly become a dangerous weapon 15...Nf3 16.gf3 Ra7 17.a4 Bd6 18.Bd2 Qf6 19.Rc1 Rb8 20.f4 Qg6 21.h4 h5 22.f3 (22.Qd1 Kh7= (worse is 22...Rab7 23.Be2+/–)) 22...Qf6 23.Ke2 Rbb7 24.Be1 Qg6 25.Kf2 Qf6 (25...Be7 26.Ke2+=) 26.Bd3 Ra8 27.Bf5 Qf5 28.Qc2 Exerts pressure on the backward pawn 28...Qc2 (28...Qf6 29.Qc6 Rab8 30.Ke2=) 29.Rc2= g6 30.Bd2 Kf8 31.Rhc1 Ke8 32.Ke2 Kd7 33.e4 Ba3 34.Rg1 White fights for the Initiative 34...Be7 35.f5 de4 36.fg6 ef3 37.Kf3 Rg8 38.g7 Bh4 39.Bh6 Bf6 40.Ke4 Be7 41.Rf1 Ke8 42.Rc6 Bd6 43.Rh1 f5 44.Kd3 Kf7 45.Rh5 Rbb8 46.Rh3 Rbd8 47.Kc4 Rd7 48.Ra6 Be7 49.Rd3 Rgd8 50.Ra5 e5 51.Ra7 (51.de5 A pinning theme 51...Rd3) 51...Rd6 (51...e4 52.Rd1 Bf6+/–) 52.Bc1 (better is 52.Rc7!? Rh6 53.de5 Rh4 54.Kc3+/–) 52...Rd4+= 53.Rd4 Rd4 54.Kc3 Bb4? (better is 54...Kg7 55.Rc7 Kf6+=) 55.Kb3+– Bd6 56.Bh6 Rg4 (56...Rd3 57.Kc4 Rd4 58.Kc3 Rg4+–) 57.b6 Rg3 58.Kc4 Rg4 59.Kd5 Rd4 60.Kc6 (60.Kc6 Rc4 61.Kb7 cb6 62.Kb6 Bc7 63.Rc7 Rc7 64.Kc7+–) 1–0. Katalymov,Boris Nikolayevich – Glyanets, Alma–Ata, 1987.

8.cd5 ed5 9.Nd4 =.

8.b5 a4 9.Be2 Nc5 10.d3 Nb3 11.Ra2 c5 12.bc6 bc6 13.0-0 Be7 14.Qc2 c5 15.Bf6 Bf6 16.Nc3 0-0 17.Na4 Ra4 18.Qb3 Qa8 Black intends c4 19.Bd1 Ra5 20.a4 c4 21.dc4 dc4 22.Qc4 Be6 23.Qe2 Ba2 24.Qa2 Rd8 25.h3 Qb7 26.Bb3 Rc5 27.e4 Bc3 28.Bd5 Qe7 (worse 28...Rcd5 29.ed5 Qd5 30.Qd5 Rd5 31.Rc1+–) 29.Rd1 Kf8 30.Rb1 Rc7 31.a5 Qc5 32.a6 f5? (better 32...Bf6+=) 33.Ng5+– Ke7 (33...Rd6 34.ef5 Be5+–) 34.Ne6 (34.Ne6 Rd5 35.Nc5 Rdc5 36.Qa3+–; 34.Nh7?! fe4 35.Bg8 Qf5+=) 1–0. Vojinov,Danijel (1970) – Kobold,Andrej (1995), TCh–SLO Div (7), 2018.

8.Nd4 Bg6 9.b5 a4 (9...Nc5 10.d3+=) 10.Be2= Bd6 11.d3 0-0 12.Nd2 Qe7 13.0-0 Nc5 14.Qc2 Nfd7 15.N2f3 f5 (15...Rfe8 16.Rfc1=) 16.Rfe1 Rae8 17.Bf1 Qd8 (17...Bh5 18.Be2=) 18.Qc3 (18.g3 Bh5+=) 18...Rf7 (18...Qf6 19.Qc2=) 19.h4 (19.g3 Nb6+=) 19...Qf6 (19...Nf6 20.g3=) 20.g3 Bh5 (20...Nb3 21.Rab1 Ndc5 22.Qc2=) 21.Qc2 Qg6 22.Bg2 Nf6 23.Bc3 h6 24.Bb4 (24.Rab1 Kh7+=) 24...b6 (24...Nb3!? 25.Nb3 ab3+=) 25.Ne2+= Nb3? (better is 25...Rfe7!?+=) 26.Bd6+– Na1 27.Ra1 cd6 28.Nf4 Qh7 29.Nd4 Kh8 (29...Rfe7 30.Qc6 Bf7 31.Qd6 Rb7+–) 30.Qc6 Rfe7 (30...Rb8 31.Qd6 Qg8 32.Nh5 Nh5 33.Nc6+–) 31.Qd6 Bf7 32.Qb6 Nd7 33.Qd6 Ne5 34.h5 Qg8 35.Rc1 (35.Qb4!? Rd7+–) 35...Rd7 36.Qb4 (36.Qc5 Qf8+–) 36...Qf8 (36...Bh5 37.b6 Bf7 38.Nf5+– (worse is 38.Qa4 Rb7+–)) 37.Qa4 Ra8 38.Qb4 Qb4 39.ab4 Kg8 40.Bh3 Kf8 (40...Rb7 41.Bf5 Re8 42.Kg2+–) 41.Bf5 Rda7 (41...Rb7 42.Nde6 Kg8 43.Kg2+–) 42.Kg2 Ke7 (42...Rb8 43.Rc5 Nd7 44.Nc6 Nc5 45.bc5 (45.Na7?! Na4+–; 45.Nb8?! Na4+–) 45...Rb5 46.Na7 Rc5 47.d4+–) 43.b6 ½–½. Lukacs,Albert (1925) – Farkas,Richard (2180), First Saturday FM–A Nov, 2013. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Bf5 4.e3 e6 5.a3 Nbd7 6.c4 a5)

8.ba5 Bd6 9.a6 ba6 10.0-0 =.

8.b5 Nb6 9.Be2 Bd3 10.0-0 Bc5 11.Ne5 Be2 12.Qe2 0-0 13.Nc3 Nfd7 14.d4 Bd6 15.Nf3 Qf6 16.Rfe1 (16.e4 Qg6=) 16...Qg6 (16...Nd5 17.e4 Nf4 18.Qf1=) 17.e4 Rac8 18.Rad1 White plans d5 18...Rfd8 19.g3 (19.Rd2 a4=) 19...Be7 (19...a4 20.d5=) 20.Kg2 h5 (20...a4 21.Rd3=) 21.h4 (21.d5 e5=) 21...Bd6 22.d5 (22.Qd3 c5 23.bc6 bc6=) 22...e5 23.Nb1 Na4 24.Qc2 Nb2 25.Qb2 f6 (25...c6 26.Qd2 cd5 27.Qd5+=) 26.Qa2 (26.Nbd2 a4=) 26...Nc5 27.Nc3 Rf8 28.Re3 b6 (28...f5 29.ef5 Rf5 30.Ng5=) 29.Rde1 a4 30.Nd2 Ra8 31.Qc4 Qf7 32.Rf3 Qd7 33.Na2 (33.Qe2 f5=) 33...Nb7 (33...f5 34.ef5 Rf5 35.Ree3+=) 34.Qc6+= Qc8 35.Nb4 (35.Qc2 Qd7=) 35...Bb4= 36.ab4 Nd8 37.Qc2 Qd7 38.Ra1 Qb5 39.Rfa3 f5 40.Ra4 Ra4 41.Qa4 Qd3 42.Qa2 Nf7 43.ef5 Nd6 44.Nf3 (44.Re1 Qf5 45.f3 e4=) 44...Rf5 (44...Nc4 45.Ng5=) 45.Ng5= e4 Exerts pressure on the isolated pawn ½–½. Degterev,Pavel (2460) – Chripko,Lubomir (2070), WC15/WS64 ICCF, 2006.

8.b5 Nb6 9.Be2 Bd6 10.d4 Ne4 11.Nbd2 Nd5 12.Ne4 Be4 13.0-0 0-0 14.Nd2 Bh2?? (better is 14...Bg6=) 15.Kh2+– Qh4 16.Kg1 Bg2 17.Kg2 Qg5 18.Kh1?? (better is 18.Kh3 Qh6 19.Kg3 Qg6 20.Bg4+–) 18...Qh4= 19.Kg2 Qg5 20.Kh3 Qh6 21.Bh5 (21.Kg3!? Qg6 22.Bg4 f5+–) 21...Nf6+/– 22.Rg1 Nh5 23.Nf3 f5 24.Kg2 f4 25.e4 White prepares d5 25...Qg6 26.Kf1 Qe4 27.Ng5 (better is 27.Rc1!? Rf5 28.Ng5 Ng3 29.Rg3+–) 27...Qg6+= 28.d5?? (better is 28.Ke1+=) 28...Ng3–/+ 29.fg3 Qg5 30.g4 ed5 31.Rc1 Rf7 32.Qf3 Re8 33.Bd4 (33.Rc5!? Qe7 34.Rc1–+) 33...Re3! 34.Qf2 (34.Be3 Qe7 Double attack (34...Qe7 Decoy; 34...fe3 Passed pawn)) 34...Ra3 (34...Qg6 35.Qc2 Qc2 36.Rc2 Rf3 37.Kg2 Ra3 38.Rc5–+) 35.b6 c6 36.Qb2 (36.Bc5 Ra4–+) 36...Rg3 37.Rc6 (37.Qe2 Re7 38.Qd2 Qg4 39.Rg3 Qg3 40.Rc3–+) 37...Qg4 38.Rc2 (38.Rc1 Qh3 39.Rg2–+) 38...Qd1 0–1. Agur,Elieser (2200) – Dudakov,Shaul (2200), Netanya–B, 1973. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Bf5 4.e3 e6 5.a3 Nbd7 6.c4 dc4 7.Bc4 a5)

8.b5 Bd6 9.d3 0-0 10.Nbd2 Bg6 (10...e5 11.Nh4 Bg4 12.f3=) 11.e4 Bf4 12.g3 Bh6 13.Qc2 Nb6 14.a4 (14.Ne5 Bh5=) 14...Re8 15.Bb3 Nfd7 16.0-0 Rc8 17.Bc3 Ra8 18.Rfe1 Qe7 19.Kg2 Rec8 20.Qb2 (20.Rac1 Qd6=) 20...c6 (20...Qd6 21.Nc4 Nc4 22.Bc4=) 21.bc6 Rc6 22.Nd4 Rcc8 23.Nf5 Bf5 24.ef5 Nc5 25.fe6 fe6 26.Be6 Ne6 27.Qb6 Rc3 28.Re6 Qf7 (28...Qf8 29.Nc4 Ra6 30.Qb2 Rd3 31.Ra6 ba6 32.Ne5 (32.Na5? Qf3 33.Kg1 Rd1 34.Rd1 Qd1 35.Kg2 Qd5 36.Kf1 Qa5–+) 32...Qa8 33.Kg1+/–) 29.Nf3+/– Rf8 (29...Rd3 30.Ne5 Be3 31.Nf7 (31.fe3?? Rd2 32.Kh1 Qf2 33.Re8 Re8 34.Qb3 Kf8 35.Qf7 Qf7 36.Nf7 Kf7–+) 31...Bb6 32.Rb6 Kf7 33.Rb7 Kf6 34.Rc1+–) 30.Ne5 Be3 (30...Qf5 31.g4 Qf4 32.Re7+=) 31.Nf7+– (31.fe3?? Rc2 32.Kg1 Qf2 33.Kh1 Qh2) 31...Bb6 32.Nh6! gh6 33.Rb6 Rc2 (33...Rd3 34.f4 Rb8 35.Rh6+/–) 34.Rf1+– Ra2 35.Rb7 Ra4 36.f4 Rd4 (36...Ra2 37.Rf2 Rf2 38.Kf2+–) 37.Ra7 Rd3 38.Ra5 Rf7 39.Rfa1 Kg7 40.R1a2 Kg6 41.R5a4 Rd5 42.Kh3 Rc7 43.Ra6 Kg7 44.Kh4 Rd4 45.R2a5 Rd2 46.h3 Rd3 47.g4 Rf7 48.Ra7 White prepares the advance f5 48...Ra7 49.Ra7 Kg8 50.f5 Rf3 51.Ra6 Kg7 52.Rb6 Rd3 53.Rb7 Kg8 54.Rb2 Rf3 55.Rh2 1–0. Degterev,Pavel (2545) – Sheretyuk,Andrey Aleksandrovi (2410), 7. Ukrainian CCF Cup, 2008.

8.b5 Bd6 9.d4 Nb6 10.Be2 0-0 11.Nbd2 Qe7 (11...Nbd5 12.0-0=+) 12.0-0 a4 (12...Nbd5 13.Nc4=) 13.Re1 Ne4 14.Ne4 Be4 15.Bd3 f5 16.Qe2 Qe8 17.Ne5 (17.Rab1 Qh5=+) 17...Bd3 18.Qd3 (18.Nd3 Nd5–/+) 18...Ra5–/+ 19.Bc3 Rb5 20.Nf3 (20.Reb1 Rb1 21.Qb1 Be5 22.de5 Qc6–/+) 20...Nd5–+ 21.Reb1 (21.Nd2 Rb6–+) 21...Rb1 (21...Nc3?! 22.Qc3 Qc6 23.Qc6 bc6 24.Rc1–/+) 22.Rb1 Ba3 23.Ba5? (23.Bd2 Bd6 24.Rb7–+) 23...Bd6 24.Rb7 (24.Bd2 a3 25.g3–+) 24...Qa8 25.Qb5 (25.Bc7 Rc8 26.Kf1–+) 25…a3 (25...a3 26.Ne1 a2–+) 0–1. mgilbert – pcmvr, net–chess.com, 2019.

8.Bb3 a5 9.b5 =+.

8.Bb3 Bd6 9.d3 Nbd7 =.

8.Bb3 Bd6 9.d3 Bg4 =.

8.Bb3 Bd6 9.d4 a5 10.b5 =+.

8.Bb3 Bd6 9.d4 Nbd5 10.0-0 0-0 11.Nbd2 Bg4 (11...a5 12.ba5 Ra5 13.Nc4=) 12.h3 (12.e4 Bf3 13.Qf3 Bf4 14.ed5 Bd2 15.de6 fe6+–) 12...Bh5 (12...Bf5!?=) 13.e4+= Nf4? (better is 13...Bf3 14.Qf3 Nf4+/–) 14.e5+– Bf3 15.Nf3 (15.Qf3?! Be5 16.de5 Qd2+/–) 15...Be5 (better is 15...N6d5 16.ed6 Qd6+–) 16.de5 N6h5 (16...N6d5 17.Qc2+–) 17.Qc2 Qe7 (17...Qd3 18.Rad1 Qc2 19.Bc2+–) 18.Rac1 (18.Qe4 c6+–) 18...Rac8 (18...Rfd8 19.Rfd1 (19.Qc7?! Ne2 20.Kh2 Rd7+–) 19...c6 20.Bd4+–) 19.Rfd1 Nh3 (19...Rfd8+–) 20.gh3 Nf4 21.Qe4 Nh3 22.Kg2 Ng5 23.Qb7 (23...Nf3 24.Qf3+–) 1–0. Wall,Bill – Nickel Blake, Internet, 2003.

8.Bb5 c6 9.Be2 Be7 10.d3 0-0 (10...a5 11.ba5 Ra5 12.Nh4=) 11.0-0 (11.Nh4 a5 12.Nf5 ef5 13.ba5 Ra5=) 11...Bg6 (11...a5 12.ba5 Ra5 13.Nh4=) 12.Ne5 Bd6 (12...a5 13.Ng6 fg6 14.Qb3=) 13.Ng6 hg6 (13...fg6 14.Nc3=) 14.Nd2+= Bc7 (14...a5 15.Qb3+=) 15.Qb3 Qe7 16.Rac1 Rad8 (16...Rfd8 17.Qc2+=) 17.a4 (17.Qc2 Nfd5+=) 17...Nbd5 (17...Nfd5 18.a5 Nd7 19.Rc4=) 18.Rc4 (18.b5 cb5 19.Qb5 Rc8+=) 18...Bb8 (18...Nb6 19.Rh4+=) 19.Bf3 (19.b5 cb5 20.ab5 Nb6+/–) 19...Nd7 (19...Nb6 20.Rd4+=) 20.e4 (20.b5 N7b6 21.Rg4 cb5 22.ab5 Nf6+=) 20...N5b6 (20...b5 21.Rc6 (worse is 21.ed5 bc4 22.dc4 cd5–/+) 21...Nb4 22.Ba3 Bh2 23.Kh2 Qh4 24.Kg1 Nc6 25.Bf8+=) 21.Rc2+= Ne5 (21...Qd6 22.g3 Ne5+=) 22.Be2 (22.d4 Nf3 23.Nf3 f5+=) 22...g5 (better is 22...Nd3 23.Bd3 Qd6+=) 23.a5+/– Nbd7 24.d4 Ng6 25.a6 (25.b5 cb5 26.Bb5 Rc8+/–) 25...Nf6 26.e5 Nd5 27.Ba3 Qd7 28.Ne4 (28.b5 Ndf4 29.Bf3 Qd4 30.Bf8 Kf8 31.ab7 c5+/–) 28...Ndf4+= 29.Rd1 (29.Bb2 Ne2 30.Re2 Nf4+/–) 29...Ne2 30.Re2 f6? (better is 30...Be5!? 31.ab7 Bd4+=) 31.b5 (31.Nc5 Qf7 32.b5 Rd5 33.ab7 Nf4+–) 31...Rf7 (31...Nf4 32.Rb2 Rf7 33.Nc5+–) 32.Bd6 (32.Nc5 Qd5 33.Qd5 Rd5 (33...ed5? 34.Nb7 Re8 35.bc6 fe5 36.de5+–) 34.ab7 cb5 35.ef6 e5+–) 32...Bd6? (better is 32...Nf4 33.Ra2 b6+/–) 33.Nd6+– (33.ed6?! Nf4 34.Rc2 cb5+/–) 33...Re7 (33...Nf4 34.Rb2 ba6 35.Nf7 Kf7 36.ba6 fe5 37.Qc4+–) 34.Nb7 (34.ab7 fe5 35.de5 cb5+–) 34...Rb8 35.ef6 gf6 36.Qf3 (36.Qg3 e5 37.Nc5+/–) 36...Rf8 1–0. Phan Dan Huyen (2040) – Nguyen Thanh Mai, VIE–chT Super (Women), 2004.

8.Be2 Bd3 9.0-0 Be7 10.Bd3 Qd3 11.Ne5 Qd6 12.d4 Nbd7 13.Nc4 Qd5 14.Qe2 Ne4 15.f3 Nd6 16.Na5 (16.Nd6 Qd6 17.Nd2 0-0+=) 16...0-0 (16...Qh5!?=) 17.Nc3 (17.e4!? Qh5 18.e5+/-) 17…Qh5=. theskandinavien (2135) - jraul (1935), gameknot.com, 2022.

8.Be2 Be7 9.0-0 0-0 10.Nc3 c6 (10...a5 11.Qb3=) 11.d3 Qc7 12.Nh4 Rad8 13.Nf5 ef5 14.Qc2 Ng4 15.g3 h5 (15...Qd6 16.d4 Qh6 17.h4=) 16.Rad1 (16.Nb5 Qd7 17.Nd4 h4+=) 16...h4= 17.Bc1 (17.Nb5 Qd7 18.Nd4 hg3 19.hg3 Bf6=) 17...hg3 (17...Bg5 18.Bg4 fg4 19.f4 gf3 20.Rf3 hg3 21.hg3=) 18.hg3= Bh4?? (better is 18...Bf6=) 19.Bg4+– Bg3? (19...fg4 20.gh4 Qe7+–) 20.Bf5 (20.Bf5 Bh4 21.d4+–; 20.fg3?! Qg3 21.Qg2 Qg4 22.Qg4 fg4+–) 1–0. bishop_ben (2120) – wreck_tangle (1860), gameknot.com, 2014.

8.Be2 Be7 9.0-0 0-0 10.Nd4 Bg6 11.Bf3 (11.Nb3 Rb8=) 11...c6 12.Qb3 (12.Nb3!?=+) 12...e5–/+ 13.Nc2 e4 (better 13...Qd3!? 14.Qd3 Bd3–/+) 14.Be2=+ Bd6 15.f3 ef3 16.Rf3 Nbd7 17.Bf6 (17.d3!?=) 17...Nf6–/+ 18.Nc3 Ne4 19.Ne4 Be4 20.Rf2? (better 20.Rh3–/+) 20...Qh4–+ 21.g3?? (21.h3 Bh2! 22.Kf1–+) 21...Bg3! 22.Raf1 (22.hg3 Qh1 Mate attack) 22...Bh2! 23.Rh2 (23.Rh2 Qg3 Mate attack) 23…Qg3 (23...Qg3 24.Rg2 Qg2) 0–1. Burns,Chris – Freeman,Michael, NZL Wanganui Chess Club A Grade Club Ch, 2000.

9.b5 Bd3 10.0-0 Be7 11.Ne5 (11.Bd4 Be2 12.Qe2 0-0+=) 11...Be2= 12.Qe2. Van Rooijen,Peter (1705) – Kurpnieks,Vairis (1980), IECG, 2001.

9.b5 Bd6 10.Nc3 e5 11.Na4 (11.d4 e4 12.Ne5 0-0=) 11...e4 (11...Qe7 12.d4 Rd8 A) worse is 13.de5 Bb4 14.ab4 Rd1 15.Bd1 Nfd5–/+ (15...Qb4? 16.Bc3 Qc4 17.Nd2+–); B) 13.Nb6 cb6 14.Qb3= (14.de5? Bb4 15.Kf1 Rd1 16.Rd1 Ba3 17.ef6 gf6–+)) 12.Nd4= Bd7 13.Nb6 (13.Nc3 0-0=) 13...cb6 14.0-0 0-0 15.f3 (15.a4 Qe7=) 15...Rc8 (15...Qe7 16.a4+=) 16.Rc1 (16.Qb3 Qe7=) 16...Rc1+= 17.Qc1 Qb8 (17...Qe7 18.Qb1+=) 18.f4= Rc8 19.Qb1 a4 (19...Rc7 20.a4=) 20.Nc2 (20.Rc1 Rc5=) 20...Be7 (20...Qc7 21.Rc1=) 21.Nb4 (21.Be5 Qa8+=) 21...Bb4 22.ab4 (22.Bf6 Qd6 (worse is 22...gf6 23.Qb4 f5 24.Qa4+/–; 22...Ba3?! 23.Be5 Bd6 24.Qe4=) 23.Bd4 Ba3 24.Qe4 Bb4=) 22...Qd6+= 23.Be5?? (better is 23.Bd4+=) 23...Qd2–+ 24.Bf6 (24.Qd1 Qe3 25.Kh1 Be6–+) 24...Qe3 25.Rf2 (25.Kh1 Qe2 26.Bd4–+) 25...Rc1 26.Qc1 Qc1 27.Bf1 e3 28.Rf3 gf6 0–1. Bulcourf,Carlos – Comp Hiarcs 8 Athlon 1Ghz 256, Comp Hiarcs 8–Vicente Lopez, 2002.

9.Nc3 ab4–/+ 10.ab4 Bb4 (10...Ra1 11.Qa1 Bb4 12.0-0–/+) 11.0-0 (11.Ra8 Qa8 12.Nb5 Qd8=+) 11...Ra1–/+ 12.Qa1 0-0 13.d4 (13.Qa7 Qa8 14.Ra1 Rb8–/+) 13...Qe7 14.Qc1 Ra8 15.Nh4 Bg6 (15...Bg4!? 16.Bg4 Ng4–/+) 16.Ng6=+ hg6 17.Qc2 c6 18.Rb1 Nbd5 19.Qb3?? (better 19.Bf3=+) 19...Bc3–+ 20.Bc3 Ra3 (20...Nc3?! 21.Qc3 Ra7 22.Qb2=+) 21.Bb4 (21.Qb7 Qb7 22.Rb7 Nc3 23.Bf1–+) 21…Rb3 (21...Rb3 22.Rb3 Nb4–+) 0–1. Climent Vidal,Pere – Serra Vilaro,Agustin (1780), 20th Obert Internacional Sant Marti Gro, 2018.

10.0-0 0-0 11.Nc3 h6 12.d4 Nfd5 13.Nd2 Bh7 14.Nc4 Nc4 15.Bc4 Nb6 16.Be2 Bd6 17.Bf3 Rb8 18.Qb3 Qh4 19.g3 Qg5 20.Ne4 Qf5 21.Bg2 (21.Nd6?? A) 21...cd6?! 22.e4 a4 23.Qd3= (worse is 23.ef5 ab3 24.fe6 fe6–/+); B) 21...Qf3 22.Qd1 Qd1 23.Rfd1 cd6–+) 21...a4 22.Nd6 cd6 23.Qb4 d5 24.Rfc1 Rbc8 25.Rc5 Qd3 26.Bf1 Qb3 27.Qb3 ab3 28.a4 Bc2 29.a5 Nd7 30.Rc8 Rc8 31.Ra3 Kf8 32.Be2 Ke8 33.Kf1 Nf6 34.f3 Kd7 35.Ke1 Ne8 36.Kd2 Nd6 37.Bc3 g5 38.h3 h5 39.g4 hg4 40.hg4 f5 41.gf5 ef5 42.Bd3?? (better is 42.Bb2+=) 42...Bd3–+ 43.Kd3 (43.Rb3 Bc4 44.Rb1 Bb5–+ (worse is 44...Nb5 45.Bb4–+)) 43...Rc3! (43...Nb5 44.Rb3 Rc3 45.Rc3 Nc3 46.Kc3–+) 44.Kc3 Nb5 45.Kb2 (45.Kb3 Na3 46.Kc3–+) 45...Na3 46.Ka3 g4 0–1. Pallardo Lozoya (2255) – Valmana Canto (2180), La Pobla de Vallbona op, 2004.

10.a4 0-0 11.0-0 (11.d3 Bb4 (11...Nfd7 12.0-0 Bf6 13.d4 Re8 14.Nbd2 e5 15.de5=; 11...Re8 12.0-0 Nfd7 13.Qc2 Bf6 14.Bf6 Qf6 15.Nbd2=) 12.Nc3 Nfd5 13.Rc1 Qf6 14.Nd4 Rad8 15.0-0=; 11.d4 Bb1 (11...Bb4 12.Nbd2 Qd6 13.0-0 Nbd5 14.Nc4 Qe7 15.Nh4+=; 11...Nfd5 12.0-0 Qd6 13.Nbd2 Qb4 14.Ra2 Qd6 15.e4=) 12.Rb1 Bb4 13.Kf1 Qd5 14.Qc2 Bd6 15.Ne5=) 11...Nfd5 (11...Qd7 12.Ne5 Qd6 13.d4 Nbd5 14.Nd2 Qd8 15.Bf3+=; 11...c5 12.bc6 bc6 13.Nd4 Be4 14.Nc3 c5 15.Ne4+=) 12.Nc3 (12.d3 Nb4 13.Nd4 Bg6 14.f4 Bf6 15.Qd2=) 12...Bf6 (12...Nc3 13.Bc3 Nd5 14.Bd4 Rb8 15.Rc1=) 13.d4 (13.Nd5 Nd5 14.d4 Be7 15.Bd3=) 13...Nb4 (13...Rc8 14.Nd5 Nd5 15.Qd2=) 14.Qd2 0–1. purplegadge (1735) – orvillemcelroy (1910), gameknot.com, 2013.

10.a4 Bc5 A) 11.0-0 Bd3 (11...0-0 12.d3 Bg4 13.h3 Bh5 14.Qc2 Bd6 15.Nc3=; 11...Bg4 12.h3 Bh5 13.Qc2 Bd6 14.d3 0-0 15.Nbd2=) 12.Be5 Rc8 13.Bd3 Qd3 14.Bf6 gf6 15.Ne1=; B) 11.Nc3 Bd3 (11...Qd7 12.d4 Bd6 13.0-0 Rd8 14.Nh4 e5 15.de5=; 11...0-0 12.d3 Qd7 13.Nh4 e5 14.Nf5 Qf5 15.0-0=) 12.Bd3 Qd3 13.Ne5 Qf5 14.d4 Bb4 15.0-0=; C) 11.d3 Bb4 (11...0-0 12.0-0 Bg4 13.Qc2 Bd6 14.h3 Bh5 15.Nbd2=; 11...Bg4 12.0-0 0-0 13.Nc3 Qd6 14.Qc2 Rad8 15.Rfc1=) 12.Nc3 Nfd5 13.Rc1 Qf6 14.Nd4 Rd8 15.0-0=.

10.a4 Nfd5 A) 11.d3 Nb4 (11...Bb4 12.Kf1 Nf6 13.Nh4 Bg6 14.Ng6 hg6 15.Bf3=; 11...Bf6 12.Qb3 Bg4 13.0-0 0-0 14.Nbd2 Bb2 15.Qb2=) 12.Nd4 Bg6 13.0-0 e5 14.Nf3 Nd3 15.Be5+=; B) 11.Nc3 Nb4 (11...Nc3 12.Bc3 0-0 13.0-0 Nd5 14.Bd4 Rb8 15.Rc1=; 11...0-0 12.0-0 Nc3 13.Bc3 Nd5 14.Bd4 Rb8 15.Rc1=) 12.e4 Bg4 13.0-0 Bf3 14.Bf3 Nc4 15.Bc1+=; C) 11.0-0 0-0 (11...Bf6 12.d4 0-0 13.Nbd2 Bg6 14.Nb3 Nb4 15.Nc5=; 11...Nb4 12.Bg7 Rg8 13.Bc3 Bc2 14.Qc1 Ba4 15.Bb4=) 12.d3 Nb4 13.Nd4 Bg6 14.f4 Bf6 15.Ra3=.

10.a4 Qd7 A) 11.0-0 Rd8 (11...0-0 12.Ne5 Qd6 13.d4 Nbd5 14.Nd2 Qd8 15.Bf3+=; 11...Rc8 12.Bc3 Ra8 13.d3 Bb4 14.Nh4 Bg6 15.Bb4+=) 12.Bc3 Ra8 13.d3 Bb4 14.Nh4 Bg6 15.Bb4+=; B) 11.d3 Bb4 (11...Rd8 12.Ne5 Bb4 13.Nd2 Qd6 14.0-0 0-0 15.Ndc4=; 11...0-0 12.e4 Bg6 13.Ne5 Bb4 14.Nd2 Qe7 15.0-0=) 12.Bc3 Nbd5 13.Bd2 Bd2 14.Nfd2 Nb4 15.e4+=; C) 11.Ne5 Qd5 (11...Qd6 12.0-0 0-0 13.d4 Nbd5 14.Nd2 Qd8 15.Bf3+=; 11...Qc8 12.d3 Qd8 13.g4 Bd6 14.gf5 Be5 15.Be5+=) 12.d3 Bb4 13.Nd2 Rd8 14.0-0 Qd6 15.Ndf3+=.

10.a4 Bg4 A) 11.d3 Bb4 (11...Bd6 12.0-0 0-0 13.Nbd2 Rc8 14.Nb3 Bb4 15.Bd4=; 11...0-0 12.0-0 Bd6 13.h3 Bh5 14.Nbd2 Rc8 15.Rc1=) 12.Nbd2 0-0 13.0-0 Nfd5 14.h3 Bh5 15.Ne4=; B) 11.Nc3 0-0 (11...Rc8 12.0-0 0-0 13.d3 Bd6 14.Rc1 Qd7 15.Re1=; 11...Bd6 12.0-0 0-0 13.Rc1 Qd7 14.d3 Rad8 15.Qc2=) 12.0-0 Rc8 13.d3 Bd6 14.Rc1 Qd7 15.Re1=; C) 11.0-0 0-0 (11...Bd6 12.d3 0-0 13.h3 Bh5 14.Nbd2 Rc8 15.Rc1=; 11...Nbd5 12.Ne5 Be2 13.Qe2 0-0 14.e4 Nb4 15.Rc1=) 12.d3 Bd6 13.h3 Bh5 14.Nbd2 Rc8 15.Rc1=.

9.0-0 0-0 10.d3 a5 =.

9.0-0 0-0 10.d4 Bb1 (10...a5!? 11.b5 Nfd5=) 11.Rb1+= c6 12.Bd3 Re8 (12...a5 13.ba5 Ra5 14.Qb3+=) 13.Qc2 (13.Ne5 Qe7+=) 13...g6 (13...a5 14.Ng5+=) 14.g3 (14.e4 Bf4+/–) 14...Nh5 (14...a5 15.b5 Rc8 16.Qe2+=) 15.e4+/– a6 (15...a5 16.e5 Bf8 17.b5+=) 16.Rbd1 (16.Rfd1 Qf6 17.Ne5 Red8+/–) 16...Bf8 17.Be2 Rc8 18.Ne5+/– Nf6 19.Bf3 Qc7 20.Bg2 Nbd7 21.Nd3 Bg7 22.Nc5 Nb8 23.Bc1+/– b6 24.Nb3 Nfd7 25.Be3 Qd8 26.Qd2 Qe7 27.Qa2 Kh8 28.Rd2 Nf8 29.Rfd1 Nbd7 30.Rc2 e5 31.d5 cd5+= 32.Rd5 Nf6 33.Rdd2 Qb7 34.Rc8 Rc8 35.Rc2 Rc2 36.Qc2+= Ne8 37.Qd3 Bf6 38.Nd2 b5 39.Bh3 Be7 40.Nb3 Nd6 41.Bc5 Nc4+= 42.Be7 Qe7 43.Nc5 a5 44.Qd5 ab4 45.ab4 Nd6 46.Bf1+/– f6 47.Qc6 f5 48.ef5 gf5 49.Bb5 e4 ½–½. Hansen,Bjarne G – Andersson,Lars H, corr ICCF TT–4–90–se, 1995.

9.0-0 a5 10.b5 =.

9.Nc3 0-0 10.0-0 Qd7 (10...a5 11.b5=) 11.d4 (11.Nb5 Nfd5+=) 11...Rfd8 (11...a5 12.b5=) 12.Bd3 (12.Nh4 Be4=) 12...e5 (12...Bd3 13.Qd3 a5 14.b5+=) 13.de5 Bd3 14.Qd3 Be5 15.Qd7 (15.Ne5 Qd3 16.Nd3 Rd3=) 15...Nbd7 (15...Nfd7!? 16.Ne5 Ne5=) 16.Ne5+/– Ne5 17.Rfd1 (17.Nb5!? Nfg4 18.Nc7+/–) 17...Nc4 (17...Nd3 18.Na4 Ne4 19.f3=) 18.Na4= Nb2 (18...Rd1 19.Rd1 Ne4 20.Rd4=) 19.Nb2 Kf8 20.Rd8 (20.Nc4 Ne4=) 20...Rd8 21.Rd1 Ke7 (21...Rd1 22.Nd1 a6 23.f3=) 22.Rd8 Kd8 23.f3 b6 24.Kf2 c5 25.Ke2 (25.bc5 bc5 26.e4 Ke7=) 25...Nd5 (25...cb4 26.ab4 a5 27.b5=) 26.bc5 bc5 27.Kd3 Kd7 28.e4 Nf4 29.Kc4 Kc6 30.g3 Ne6 (30...Ng2 31.Kc3=) 31.Nd3 Attacks the isolani on c5 (31.f4 Nf8=) 31...f6 (31...Ng5!? 32.Ne1 f6=) 32.f4+= a6 (32...g6!?+=) 33.f5 Nd4 34.Nc5 a5?? (better is 34...Nf3+/–) 35.Kd4+– 1–0. Fournier,Frederic (1610) – chantal (1980), 5 min +3s chess17.com, 2007.

9.d3 Bg4 =.

9.d4 0-0 10.Nbd2 Re8 (10...Ne4 11.Ne4 Be4 12.0-0=) 11.0-0 Bg6 (11...a5 12.b5=) 12.Qb3 (12.Ne5 Be5 13.de5 Nfd5+=) 12...a5= 13.ba5 Ra5 14.Bc3 Ra8 15.Bb4 Ne4 16.Bd6 Qd6 17.Rfc1 (17.Ne4 Be4 18.Rfc1 Red8=) 17...Ra7 (17...Nd2 18.Nd2 e5 19.Nf3 ed4 20.Nd4=) 18.Ne4 Be4 19.Ng5 Bc6 (19...Bg6 20.Bd3=) 20.Qc2 g6 21.Ne4 Be4 22.Qe4 Rea8 (22...Nd5=) 23.g3 (23.Rab1!?=) 23...Nd5+= (worse is 23...Ra3 24.Ra3 Ra3 25.Qb7+=) 24.Qd3 (24.a4 Ra4 25.Ra4 Ra4+=) 24...Ra3 25.Ra3 Ra3 26.Qb5 (26.Qd2 e5+=) 26...Nc3–/+ (26...Nc3 27.Qb2 Ne2 28.Qe2 e5–/+) 0–1. Czernicki,Bogdan (1860) – Mrozowski,Patryk (1720), II Turniej Szachowy O Mistrzostwo, 1999. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Bf5 4.e3 e6 5.a3 Nbd7 6.c4 dc4 7.Bc4 Nb6 8.Be2 Bd6)

9.Nd4 Bg6 10.Bb5 c6 11.Nc6 bc6 12.Bc6 Ke7 (12...Nbd7 13.Ba8 Qa8 14.f3=+) 13.Ba8= Qa8 14.Bf6 gf6 15.f3 Rg8 (15...Bd3 16.Kf2=+) 16.Qe2= Qd5 17.Nc3 Qg5 18.f4 Qh4 19.g3 Qh3 20.e4 Bh5 21.Qf1 Qg4 22.Qa6 Rc8 23.Qa7 Rc7 24.Qb6 Rc3 25.Qa7 (25.dc3 Qe2) 25...Rc7 (better is 25...Bc7!? 26.0-0 Rg3 27.hg3 Qg3 28.Kh1 Qh3 29.Kg1 Qg3 30.Kh1 Qh3 31.Kg1 Qg3=) 26.Qe3+/– e5 (26...Qf3 27.Rf1 Qe3 28.de3+/–) 27.fe5 (better is 27.h3!? Qf3 28.Rf1 Qe3 29.de3 ef4 30.ef4+–) 27...Be5+= 28.0-0 Ba1 (28...Qd7 29.Qe1 Bd4 30.Rf2–/+) 29.Ra1+= Qf3 (29...Rc2!? 30.Qd3 Rc7+=) 30.Qf3+/– Bf3 31.Kf2 Be4 (31...Bg4!?+/–) 32.Re1 f5 33.d3 Rc2 34.Kf1 Rh2 35.de4 fe4 36.Re4 Kd6 37.Rh4 (37.a4 Rb2+–) 37...Ra2+/– 38.Rh7 Ke7 39.Rh4 Ra3 40.Kg2 Rb3 41.Rf4 Ke6 42.Kh3 f5 43.Kh4 Ke5 44.Rc4 Kd5 45.Rc5 Ke4 (45...Ke6 46.Rb5+/–) 46.b5+– Rb4 (46...Rd3 47.Rc8 Rb3 48.Rb8+–) 47.Kg5 Kf3 (better is 47...Rb3 48.Rf5 Rg3 49.Kf6 Rh3+–) 48.Kf5 Kg3 49.Ke5 Kg4 50.Kd6 Kf4 51.Kc7 Ke4 52.b6 Kd4 53.Rc6 Kd5 54.Rc1 (54...Rh4 55.b7+–) 1–0. marus1 – TT4, internet, 2001.

8.Qb3 a6 9.0-0 Be7 (9...b5 10.Be2+=) 10.Be2 (10.b5 ab5 11.Bb5 0-0=) 10...Qb6 11.d3 (11.Nh4 Be4= (worse is 11...cb4 12.Nf5 ef5 13.Bd4=)) 11...cb4+= 12.Bd4 Qa5 (12...Qd6 13.e4 Bg4 14.e5+=) 13.Nbd2 ba3 (13...Nc5 14.Qc2 ba3 15.Rfc1+=) 14.Qb7= Rb8 15.Nc4 (15.Qa7 Qa4=) 15...Rb7+= 16.Na5 Rb5 17.Nc4 Rb3 18.Nfd2 Rd3 (18...Bd3 19.Nb3 Be2 20.Rfc1 Bc4 21.Rc4=) 19.Bd3 Bd3 20.Rfc1 0-0 21.Na3 Nd5 (21...e5 22.Bb2 Ra8 23.Rc6=) 22.Nac4+= Ra8 23.Na5 (23.Nb2 Bb5+=) 23...Bb5 (23...e5 24.Bb2=) 24.Ndb3 (24.Nc6 Bf8+=) 24...Nb4 (24...e5 25.Bb2=) 25.Bb2 (25.e4 Nd3 26.Rc7 Bd6+=) 25...Nd3 26.Rc2 Nb4 (26...e5 27.Ba3 Bh4 28.e4=) 27.Rd2 Nb6 28.Ba3 e5 (28...Rc8 29.e4+=) 29.Rad1 (29.Rc1 Re8+=) 29...Re8 30.Bb4 (30.Bb2 f6=) 30...Bb4 31.Rd8 Kf8 32.Re8 Ke8 33.Rc1 Ba3 (33...e4 34.Nb7 Nc4 35.Nd4=) 34.Rc2 (34.Rc7 Bd6 35.Ra7 Nd7=) 34...f5 35.Rc7 Nd7 36.Nc6 Bd6 37.Rc8 Kf7 38.Na7 Ba4 (38...Bd3 39.Rc6 Bb8 40.Rc3=) 39.Na5 Ke6 40.Nb7 Be7 41.Rc4 Bb5 42.Rc1 Ba4 43.f3 g6 44.Kf1 (44.Nc6 Bf8=) 44...Nb6 45.Kf2 Nd5 (45...Kd5 46.Nc6 Ba3 47.e4 fe4 48.fe4 Ke4 49.Re1 Kd5 50.Ne5=) 46.Nc8 Bf8 (46...Bb4 47.e4 Nf4 48.Rc7+=) 47.e4+= fe4 48.fe4 Nf6 49.Kf3 Ba3 50.Rc7 Nd7 51.Nd8 Kf6 52.h4 Bb5 53.Nc6 (53.g4 h6+/–) 53...h5 (53...h6 54.N8a7 Ke6 55.Nb5 ab5 56.Ra7+–) 54.N8a7 Ke6 55.Nb5 (55.Nb5 ab5 56.Na7+/–) 1–0. Jacewicz,Grzegorz (2245) – Prado,Luiz do (2245), Witold–ROW(s), 2012.

8.Qb3 a6 9.b5 ab5 10.Bb5 Be7 =.

8.Qb3 cb4 9.ab4 Be7 (9...Be4 10.Nc3 Bf3 11.gf3=) 10.0-0 0-0 11.Nc3 (11.d3 Nb6=) 11...Nb6+= 12.Rfe1 (12.Nd4 Nc4 13.Qc4 Bg6+=) 12...a6 (12...Qd6 13.e4 Bg4 14.Be2 Qb4 15.Qc2+=) 13.e4 (13.Be2 Bd3+=) 13...Bg4 14.Rad1 (14.Be2!?+=) 14...Nc4 (14...Qd6 15.Be2 Qb4 16.Qc2–/+) 15.Qc4 Rc8 16.Qb3 Qb6 (16...Qd3 17.Re3 Qc4 18.Qc4 Rc4 19.d3+=) 17.b5 (17.Na2 Rfd8 18.d4 Bf3 19.Qf3 Bb4 20.Nb4 Qb4+=) 17...Bf3–/+ 18.gf3 Bc5 19.Rf1 (19.Re2 Bd4 20.Ba3 Rfd8–/+) 19...Nh5 (19...Rfd8 20.Na4 Qb5 21.Qb5 ab5 22.Nc5 Rc5 23.Bf6 gf6 24.d4–/+) 20.Ba3 (20.Na4!? Qb5 21.Qb5 ab5 22.Nc5 Rc5 23.Ba3 Rg5 24.Kh1+=) 20...Ba3 21.Qa3 Nf4 22.Rb1?? (better is 22.ba6 Qd8 23.Kh1–+) 22...Qd8 23.Rfd1 (23.Ne2 Ne2 24.Kh1 Qd2 25.ba6 ba6 26.Qa6–+) 23...Qg5 0–1. Falco,Peter – Becker,Matthias (1720), Gernsheim U20 op 3rd, 2005.

8.bc5 Bc5 9.d4 Bd6 10.0-0 0-0 11.Nc3 Qb6 12.Na4 Qa5 13.Bc3 Qc7 14.Bd3 Bg4 15.h3 Bh5 16.g4 Bg6 17.Bg6 hg6 18.Bb2 b5 19.Nc3 a6 20.Rc1 Qb7 21.Qe2 Nb6 22.Nd2 Qe7 23.Ra1 Rfc8 24.Nde4 Ne4 25.Ne4 Rc4 26.Nd6 Qd6 27.Rfc1 Rac8 28.h4 Qd5 29.Rab1 Qe4 30.f3 Rc1 31.Rc1 Rc1 32.Bc1 Qb1 33.Qb2 Qd3 34.Qd2 Qb3 35.h5 Nc4 36.Qe1 gh5 37.gh5 Na3 38.Kg2 Nc4 39.e4 Qd3 40.h6 Qd4 41.Qg3 Kh7 42.Qh4 Qf6 43.Bg5 Qg6 44.hg7 Kg7 45.Kf2 b4 0-1. bambohans (1915) - bobby1960 (2255), gameknot.com, 2020.

8.0-0 Bd6 9.Nc3 Qe7 (9...0-0 10.d4=) 10.d3 0-0 11.Re1 Rfd8 12.e4 Bg4 13.e5?? (better 13.d4=) 13...Bf3?? (better 13...Ne5 14.Qe2 b5 15.Nb5 Bf3 16.gf3 Nc4 17.dc4 cb5–+) 14.ed6+– (14.ed6 Qd6 15.Qf3+–) 1–0. GuestWBYF – GuestWSKP, freechess.org, 2017.

8.d4 Be7 9.h3 (9.0-0 0-0=) 9...Nb6 (9...0-0 10.0-0=+) 10.Bd3= Bd3 11.Qd3 Qc7 (11...Na4 12.Bc3=) 12.Ne5 (12.0-0 0-0=) 12...Nbd7 (12...Rd8 13.Qc2=) 13.f4 (13.Nc4 Rd8=) 13...Ne5 (13...a5 14.ba5 Ra5 15.e4=) 14.fe5= Nd5 15.Nc3 (15.e4!? Nb6 16.0-0=) 15...Bh4=+ 16.Ke2 Bg5 17.Nd5 ed5 18.h4 (18.Rhf1 0-0=+) 18...Bh6 (18...Be7 19.h5=+) 19.g4= g6 20.g5 Bf8 21.Raf1 0-0-0 (21...Qd7 22.Ke1=) 22.Rf6 (22.b5 Rd7+=) 22...h6 (22...Bg7 23.Rf2=) 23.Rhf1+= Rd7 24.e6 Re7 25.Rf7 hg5?? (better 25...Rf7 26.Rf7 Qh2 27.Rf2 Qh4 28.Qg6 Qg4 29.Kd2 Qg5 30.Qe8 Qd8 31.Qd8 Kd8+=) 26.Rf8+– Re8 27.R8f7 (better 27.Re8 Re8 28.Qg6+–) 27...Qh2 28.R1f2 Qh4 29.Kd2 (29.Qg6 Qg4 30.Kd2 Qg3+–) 29...Re6 30.Rf8 (30.b5!? Qg3+–) 30...Rf8 31.Rf8 Kc7 32.Rf7 Kb6 (32...Kc8 33.Qf1+–) 33.a4 (33.Qc3 Qh2 34.Kd3 Qd6+–) 33...Qh2+– 34.Kc3 (34.Kc1 Qh1 35.Kc2 a6+–) 34...a6 35.a5 (35.Kb3 Ka7 36.Qc3 Qd6+–) 35...Ka7 36.Ba3 Qh3 (36...Qg2 37.b5! cb5 38.Bc5 Kb8 39.Qd2+–) 37.Bc1 (37.b5 cb5 38.Bc5 Kb8 39.Rf8 Kc7 40.Bb6 Kd7 41.Rd8 Ke7 42.Rd5 Qe3 43.Qe3 Re3 44.Kd2 Rg3+–) 37...g4 38.Rg7?? (38.Qc2 Qh8+–) 38...Qh5 (38...g3 39.e4 Qh1–/+ (39...de4? 40.Qe3 Qh8 41.d5 Ka8 42.de6+–; 39...Re4?! 40.Kb3=)) 39.Qf1+– Qf5 40.Qh1 (better 40.Rf7 Qe4 41.Rf4+–) 40...g3?? (better 40...Qb1 41.Qe1 g3=) 41.Qh7+– Ka8 (41...Re7 42.Re7 Qc8 43.Qg6 g2 44.Qg2 Qf8+–) 42.Rg8 Ka7 43.Qc7 Re7 (43...Re3 44.Be3 Qc2 45.Kc2 c5 46.Qb6) 44.Qb6 1–0. Songokas – Kazimierzk, kurnik, 2012. (=1.e3 d5 2.a3 Bf5 3.b4 e6 4.Bb2 Nf6 5.Nf3 Nbd7 6.c4 dc4)

8.0-0 a5 9.ba5 (9.Nd4 Bg6=) 9...c6 (9...0-0 10.a6 ba6 11.Qe2=) 10.Bc3 Nd5 (10...0-0 11.d4=) 11.Bd5 (11.a6 ba6 12.Bg7 Rg8+=) 11...cd5 12.d4 (12.Bg7 Rg8 13.Bc3 Qc7+=) 12...Qc7 (12...Rc8 13.Bb4 Bc7 14.Nc3=) 13.Bb4 0-0 (13...Bg4 14.h3 Bf3 15.Qf3+=) 14.Qb3 Rfc8 15.Nbd2 (15.Ra2 Bf8=) 15...Ra6 16.Qb2+= Rc6 17.Bd6 Qd6 18.Rac1 Bd3 19.Rc6 Qc6 20.Re1 Qc7 21.Qb4 Nf6 22.Ne5+/– Bf5 23.Nb3 Ne8 24.f3 unclear. marekt – Forberg, ChessWorld.net #11089, 2004.

8.0-0 Nb6 9.Be2 =.

8.d3 a5 =.

8.d4 0-0 9.0-0 h6 (9...a5 10.b5=) 10.Nbd2 Qe7 11.Qe2 e5 (11...Nb6 12.Bb3 Ne4 13.Ne4 Be4 14.Nd2=) 12.de5 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.Nf3 Qe7 16.Rfd1 Rad8 17.Nd4 Bg6 18.Bd3 (18.Qf3 c5 19.Nf5 Rd1 20.Rd1 Bf5 21.Qf5 cb4 22.ab4 Qb4+=) 18...Bd3 (18...Bh5 19.Nf5 Qe5 20.f3+=) 19.Rd3+= c6 20.Rad1 Nd5 (20...Rd5!?+=) 21.b5 Nc3?? (better is 21...Qe4+/–) 22.Rc3+– 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

8.Nd4 Be4 =.

8.Be2 0-0+= 9.d3 e5 (9...c5 10.bc5 Qa5 11.Nbd2 Nc5 12.e4=) 10.e4 (10.0-0 a5=) 10...Bg6 (10...Bg4 11.0-0+=) 11.0-0 Re8 12.Nbd2 Nb6 13.Rc1 (13.Qc2 Rc8=) 13...a5+= 14.b5 Qd7 (14...a4 15.Nb1+=) 15.a4= Bh5 16.h3 Qe6 (16...Re7 17.Qc2=) 17.Nc4 e5 becomes the focus of attention 17...Nc4 18.Rc4 Bf3 (18...Nd7 19.Rc1=) 19.Bf3 Rad8 20.Qc1 (20.Bc3 b6+=) 20...b6 (20...Nd7 21.Bg4 Qg6 22.Bf5=) 21.Be2 Nd7 (21...h6 22.Qc2+=) 22.g4 (22.Bg4!? Qe7 23.Rd1+=) 22...Nc5 23.Kg2 Qg6 24.f3 (24.Qe3!?+=) 24...Ne6–/+ 25.Re1 Nf4 26.Kh2 (26.Kg3 Bc5 (26...Ne2?! 27.Re2 Qf6 28.Rc6+=) 27.Bf1 Nd3 28.Bd3 Rd3–/+) 26...Bb4 27.Bc3 Qh6 (27...Nd3?! 28.Bd3 Rd3 29.Bb4 ab4 30.Rc6+=) 28.Bf1 Rd3 29.Bb4 ab4 30.Re3 Red8 (better is 30...Qh4 31.Qe1 Qe1 32.Re1 Rf3 33.Rb4 Rd8–+) 31.Rc7?? (better is 31.Rd3 Rd3 32.Rc7=) 31...Rd2–+ 32.Kh1 Ne6 (32...Nh3 33.Qd2 Nf2 34.Kg2 Qh3 35.Kf2 Qh2 36.Bg2 Rd2 37.Ke1–+) 33.Re1 (33.Re2 Re2 34.Be2 Qh3 35.Kg1 Qg3 36.Kf1–+) 33...Nc7 34.Qc7 Qf4 (better is 34...Qh4 35.Rc1 Qg3 36.Be2–+) 35.Bg2 b3 36.Qc4 (36.Rg1–+) 36...Rd1 37.Qb4 Re1 (37...R8d2 38.Qd2 Qd2 39.Rf1 b2 40.Kg1 b1Q 41.Kh2 Qf4 42.Kg1 Rf1 43.Bf1 Qg3 44.Kh1 Qf1) 38.Qe1 b2 0–1. Puentes,Alvaro (2100) – Cardozo,Carlos Eduardo (1975), Ortega COL, 3rd Open, 2013.

9.Be2 0-0 10.0-0 Qd7 11.Qc1 A) 11...Nbd5 12.Nc3 (12.Ne5 Qa4 13.Nc3 Nc3 14.Bc3 Rfd8 15.f3 Bc2=; 12.Nbd2 Rfd8 13.Ne5 Qa4 14.Bf3 Bc2 15.e4 Nf4=) 12...Rfd8 13.Ne5 Qe7 14.f3 a5 15.e4 ab4+/–; B) 11...a5 12.Ne5 (12.b5 a4 13.Ne5 Qe7 14.f3 Nfd7 15.Nd7 Qd7=) 12...Qe7 13.b5 Rfd8 14.f3 Bb1 15.Rb1 Na4=; C) 11...Rfd8 12.Rd1 (12.Ne5 Qe7 13.f3 Bb1 14.Rb1 Na4 15.f4 a5=; 12.Nc3 a5 13.b5 Nfd5 14.Nd2 Nc3 15.Bc3 Nd5=) 12...a5 13.Ne5 Qe7 14.b5 Nfd5 15.Bf3 Bb1=.

9.Be2 0-0 10.0-0 Qd7 11.Nc3 A) 11...Nbd5 12.Ne5 (12.Nb5 a5 13.Nd6 cd6 14.Qb3 a4 15.Qa2 Rac8+=; 12.Qb3 c6 13.Ne5 Qc7 14.Rfd1 Nc3 15.Bc3 Nd5=) 12...Qe7 13.Nc4 Rfd8 14.Nd5 ed5 15.Nd6 Qd6=; B) 11...Nfd5 12.Rc1 (12.Nb5 a5 13.Nd6 cd6 14.ba5 Na4 15.Qd2 Nb2=; 12.Ne5 Qe7 13.Rc1 c6 14.Qb3 Rfd8 15.Rfd1 Nc3=) 12...Nc3 13.Bc3 Rfd8 14.Bd3 Bd3 15.Qd3 h6=; C) 11...a5 12.Ne5 (12.b5 Nfd5 13.Ne5 Qe8 14.Qd2 f6 15.Nc4 Nc4=; 12.ba5 Ra5 13.Nh4 Rfa8 14.Nf5 Rf5 15.Qb3 Rfa5=) 12...Qe7 13.b5 Rfd8 14.Qc1 Nbd5 15.Nc4 Rdc8=.

9.Be2 0-0 10.0-0 Qd7 11.Bd3 A) 11...a5 12.b5 (12.Bf5 ef5 13.Ne5 Qe6 14.b5 Be5 15.de5 Ng4+=) 12...Bd3 13.Qd3 Rfc8 14.Rc1 Rd8 15.Nc3 Rac8=; B) 11...Rfe8 12.Nc3 (12.Bf5 ef5 13.Ne5 Be5 14.de5 Ng4 15.Qf3 Nc4+=; 12.Re1 Na4 13.Bf5 ef5 14.Qb3 f4 15.Ne5 Be5=) 12...Nbd5 13.Nb5 c6 14.Nd6 Qd6 15.Ne5 Rad8=; C) 11...Bd3 12.Qd3 a5 13.b5 Rfc8 14.Rc1 Rd8 15.Nc3 Rac8=.

9.Be2 0-0 10.0-0 Qd7 11.Ne5 Qe7 (11...Qe8 12.Nc3 (12.Nd2 Na4 13.Qb3 Rd8 14.Rfd1 Nd5 15.Nd3 Nb2=; 12.g4 Be4 13.Nc3 Rd8 14.Ne4 Ne4 15.Qc2 f5=) 12...Rd8 13.Nf3 Qe7 14.Nb5 a6 15.Nd6 Qd6=; 11...Be5 12.de5 Nfd5 13.Bd4 Rfd8 14.Ra2 a5 15.b5 Rac8=) 12.Nd2 (12.g4 Bg6 13.Ng6 fg6 14.Nc3 a5 15.b5 Nbd5=; 12.Nc3 Rfd8 13.Qe1 Nfd5 14.Nd5 ed5 15.Rc1 Qe6+=) 12...a5 (12...c6 13.g4 Bg6 14.Ng6 fg6 15.g5 Nfd5=) 13.b5 Nbd5 (13...Rfd8!?= 14.Nec4 Nc4 15.Nc4 Qd7=) 14.Bf3+/– (14.Ndc4 Rfc8 15.Rc1 a4=) 14...Rfd8 (14...g5 15.e4 (15.g4 Bg6 16.e4+–) 15...g4+/–) 15.e4 Ne4 16.Ne4 Be5 17.de5 Ne3 18.Qb3 Nf1 19.Rf1 Rab8 20.Rc1 Be4 21.Be4 Rd7 22.g3 b6 23.Qc2 h6 24.Bc6 Rdd8 25.Qe2 f6 (25...Kh8 26.Qe3+–) 26.ef6 gf6 27.Rc4 Qf7 28.Qg4 Kh7 (28...Kf8 29.Bf6! Qf6 30.Rf4+–) 29.Bf6! (29.Bf6 Rd1 30.Kg2+–) 1–0. marekt (2095) – sundaune (1825), gameknot.com, 2014. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 Bf5 4.e3 Nbd7 5.c4 e6 6.a3 dc4 7.Bc4 Bd6)

9.Be2 0-0 10.0-0 Qd7 11.Nh4 A) 11...Bb1 12.Qb1 (12.Rb1 a5 13.b5 Rad8 14.Nf3 Qe7 15.Qc2 a4=) 12...a5 13.b5 Nbd5 14.Nf3 Rfd8 15.Qc2 Be7+=; B) 11...Be4 12.Nc3 (12.b5 c6 13.Nc3 cb5 14.Nb5 Rfc8 15.Nd6 Qd6=; 12.Nd2 Bd5 13.Qc2 Rfd8 14.e4 Qc6 15.Bd3 Qc2=) 12...Bd5 13.Nf3 a5 14.Ne5 Qe7 15.b5 Ne4=; C) 11...Na4 12.Nf5 Nb2 13.Qc2 ef5 14.Qb2 f4 15.Nd2 fe3=.

8.0-0 c6 9.Nc3 0-0 10.Qb3 b5 11.Be2 Qb6 (11...a5 12.Nd4 Qc7 13.Nf5 ef5 14.Bd3+=) 12.Rac1 (12.Nd4 Bg4+=) 12...a6 (12...a5 13.Nd4=) 13.d4 (13.Nd4 Bg4+=) 13...a5= 14.Ne5 (14.Rfd1 Nd5=) 14...ab4 15.Nd7 Nd7 16.ab4 Nf6 17.Rfe1 Nd5 18.e4 Nc3 19.ef5 Nd5 (19...Na2 20.Ra1 Bb4 21.Rf1+/–) 20.fe6= Bb4 21.ef7 Rf7 22.Rf1 (22.Bh5 g6 23.Re6 gh5 24.Qd5 cd5 25.Rb6 Ra2=) 22...Bf8 (22...Re8 23.Bf3 Bd6 24.Bd5 cd5 25.Qd5+=) 23.Bf3 Rd8 24.Rc2 (24.Qc2 Rf3 25.gf3 Rd6+/–) 24...Kh8 (24...Be7 25.Rfc1 Rd6 26.Bd5 cd5 27.Rc5+=) 25.Rfc1+= Rf6 26.g3 (26.Bd5!? cd5 27.Rc7+=) 26...Qb7 27.Kg2 Qd7 28.Bd5 Qd5 29.Qd5 cd5 30.Ra1 (30.h3 Bd6=) 30...Rf7 31.Bc1 (31.f4 Re8=) 31...Kg8 (31...b4 32.Bf4=+) 32.Bf4 (32.f3 Re8=) 32...Rb7 (32...b4 33.Rc7=+) 33.Kf3 Kf7 34.Ke2 (34.h3 b4=) 34...Bd6 35.Bd6 Rd6 36.Kd3 Rh6 37.f4 Rhb6 38.Rc5 Rd7 (38...Ke6 39.f5 Kd6 40.Re1+/–) 39.Kc3 (39.Ra5!?+=) 39...b4= 40.Kb3 Ke6 41.Re1 Kf6 42.Re5 Ra7 43.Red5 Ra3 44.Kb2 Rd3 45.Rf5 Ke6 46.Rce5 Kd6 47.Rd5 Kc6 48.Rc5 Kd6 49.Rfd5 Ke6 50.Rg5 (50.Re5 Kd6 51.Rcd5 Kc6+=) 50...g6 (50...Rd4 51.Rg7 Rd2 52.Rc2 Rc2 53.Kc2+–) 51.Rc7 (51.Rge5!? Kd6 52.Rcd5 Kc6 53.Rd8+=) 51...Rd2= 52.Kb3 Rh2? (52...Rd4 53.Re5 Kd6 54.Rh7 Rd3 55.Kc2 Rc3 56.Kb2 Rc5 57.Rc5 Kc5+=) 53.Rh7!+– Rh7 54.Rg6 Kd5 55.Rb6 Rg7 56.Rb4 Rg3 57.Ka4 Rf3 (57...Ke4 58.Rb7+–) 58.f5 Ke4 59.Kb5 (better is 59.Rb5!?+–) 59...Rf5+/– 60.Kc4 Rd5 61.Kc3 Ke3 62.Ra4 Rd7 63.Rc4 Rd8 64.Rc7 Rd4= ½–½. Lalic,Susan (2300) – McMahon,Daire, Telecom op Dublin, 1991.

8.d4 0-0 9.Nc3 a5 10.b5 Nb6 11.Be2 c6 12.a4 (12.bc6!? bc6 13.Ne5+=) 12...cb5+= 13.ab5 Nbd5 14.Nd5 Nd5 15.0-0 b6 16.Nd2 Bg6 17.Bf3 Rc8 18.Rc1 (18.Ne4 Rc4=) 18...Qd7 (18...Rc1 19.Qc1 Bd3 20.Rd1 Bb5 21.Qa1+=) 19.Bd5 Qd5 20.Qa4? (better is 20.Qe2!?+=) 20...Bd3–+ 21.Rc8 Rc8 22.Rc1 Rc1 23.Bc1 Bb5 24.Qc2 Bc6 25.e4 Qd7 26.Nf3 (26.Bb2–+) 26...h6 (better is 26...Qb7!? 27.Nd2 Bg5–+) 27.Ne5–/+ Qd4?? (better is 27...Ba4 28.Qc3 Qb7–/+) 28.Nc6+/– Qd7 (28...Qc5 29.Ne7 Qe7 30.Qa4+/–) 29.Ne7 (29.Bb2!?+/–) 29...Qe7 30.Qc8 Kh7 31.e5 Qb4 32.Qc2 g6 33.g3 (33.Kf1 a4+=) 33...b5 (33...Qe1 34.Kg2 Qe5 35.Qa4=) 34.Bd2 (better is 34.Kf1+=) 34...Qe7?? (better is 34...Qd4=) 35.Ba5+– Qa3 36.Qc7 Kg7 37.Qd8 (37.Qc3 Qa2+–) 37...Qc1? (better is 37...Qa1 38.Kg2 Qe5+/–) 38.Kg2+– Qc6 39.Kh3 Qb7? (39...Qf3 40.Qd2+–) 40.Bb4 (better is 40.Qf6 Kg8 41.Bd2+–) 40...g5?? (40...Qf3 41.Be7 Qf5 42.Kg2 Qe4 43.Kf1 Qb1 44.Ke2 Qb2 45.Kf3 Qb3 46.Kg2 Qd5 47.Qd5 ed5+–) 41.Qf8 (41.Bf8 Kg6 42.Qf6 Kh5 43.Qh6) 41...Kg6 42.g4 (42.Qg8 Kf5 43.Bc3+–) 42...Qf3. anonymouuus – zbyszek2609, kurnik, 2014.

9.Nc3 a5 10.ba5 Ra5 11.d4 =+.

9.Nc3 Nb6 10.Bb3 c6 11.Nh4 (11.Ne5 Nbd7 12.d4 Qc7=) 11...Bg4 (better 11...Bd3!? 12.Ne2 a5–/+) 12.f3= Nfd5 (12...Bh5 13.g4 Nfd5 14.Ng2=) 13.Ng6 (better 13.fg4 Bh4 14.Ne4+–) 13...Bf3?? (better 13...hg6 14.fg4 Nc3 15.Bc3 Nd5=) 14.Ne7+– (14.Rf3 hg6 15.Ne4 a5=+) 14...Qe7 15.Qf3 (15.gf3?! a5+–) 15...Rad8 16.e4 Nc7 17.d4! Rd4 18.Nd5 (better 18.Na4 Nb5 19.Bd4 Nd4+–) 18...cd5 (18...Rd5 19.ed5 Nbd5+–) 19.Bd4 de4 20.Qe4 Nbd5 (20...Qd7 21.Bb6 ab6 22.Qb7+–) 21.Bc2 (better 21.Bc5 Qd8 22.Bf8 Qf8+–) 21...f5 22.Qe5 Nb5 (22...Qf6 23.Bb3+–) 23.Bb2 (23.Bf5 Nd4 24.Qd4 Qd6+–) 23...a6 (23...Nbc7 24.Rac1 Rf7 25.Bb3+–) 24.Rad1 (better 24.Rae1 Nbc7 25.Bf5 ef5 26.Qe7 Ne7 27.Re7 Rf7 28.Rf7 Kf7 29.Rf5 Ke6+–) 24...Re8 (24...Nbc7 25.Rf3+–) 25.Rfe1 (better 25.Rd5 Na7 26.Rd6+–) 25...a5 (25...Nbc7+–) 26.Rd5 Na7 27.Rd6 (27.Bf5 Nb5 28.Rb5 Qf7 29.Ra5 Qf6 30.Be6 Re6 31.Qd5 Qf8 32.Qe6 Kh8 33.Ra8 h6 34.Rf8 Kh7 35.Bg7 Kg7 36.Qf7) 27...Nc6 28.Re6 (28.Re6 Ne5 29.R6e5 Qe5 30.Bb3 Kf8 31.Be5+–) 1–0. Darkseid (1980) – echecfanatique (1725), ChessWorld.net, 2015.

9.Nc3 c6 10.Qb3 Nb6 11.Be2 Ne4 (11...Bd3 12.Bd3 Qd3 13.Ne5=) 12.Ne4 Be4 13.d3 Bg6 (13...Bf5 14.Nd4+=) 14.Rfd1 (14.Ne5 Nd5+=) ½–½. Kleiser,Gregor (2165) – Doskocil,Klaus (2245), Liechtenstein op, 1995.

9.Nc3 c6 10.d3 a5 11.ba5 Qa5 =.

9.d4 c6 10.Nbd2 Ne4 11.Ne4 Be4 12.Nd2 Bg6 13.Nb3 Bd6 14.Nc5 Qc7 15.h3 a5 16.Qb3 b5 17.Be2 Bc5 18.dc5 Rfd8 19.Rad1 ab4 20.ab4 Nf6 21.Qc3 Ne8 22.Bg4 f5 (22...Be4!?+=) 23.Bf3+– Nf6 24.Rd6 Rd6 25.cd6 Qd6 26.Qc6 (26.Bc6? Rc8–+) 26...Qc6 27.Bc6 Rb8 28.Bf6 gf6 29.Rc1 Be8 (29...Kf8 30.Rc5 Be8 31.Be8 Ke8 32.Rc7+–) 30.Be8 Re8 31.Rc7 (31.Rc6!?+–) 31...Rd8+= 32.Rb7 Rd1 33.Kh2 Rb1? (better 33...Rd5!?+–) 34.Rb5+– Kf7 35.Rb7 Kg6 36.Kg3 Rb2 37.Kf3 h5 38.h4 Kh6 (38...e5 39.g3+–) 39.b5 Kg6 40.b6 e5 41.Rb8 Kg7 42.b7 Rb1 43.Ke2 Rb3 44.Kd2 Rb1 45.f3 Rb5 46.Kc3 Rb1 47.Kc4 Rb2 48.Kc5 e4 (48...f4 49.ef4 ef4 50.Kc6 Rc2 51.Kd5+–) 49.fe4 fe4 50.Kc6 Rc2 51.Kd5 Rb2 52.Ke4 Rb1 53.Kd5 Rb2 54.Kc6 Rc2 55.Kd6 Rd2 56.Ke6 Rb2 57.Rd8 Rb7 58.Rd7 Rd7 59.Kd7 Kh7 60.Ke6 Kg6 61.e4 Kg7 62.Kf5 Kf7 63.g4 hg4 64.Kg4 Kg6 65.h5 (65.h5 Kh6 66.Kf5+–) 1–0. Grigoriev,A (2075) – Aliakbarov,A (2375), 16th Kesan Open (8), 2018. (=1.Nf3 d5 2.b4 Nf6 3.Bb2 Bf5 4.e3 e6 5.a3 Nbd7 6.c4 dc4 7.Bc4 Be7)

9.d4 Nd5 (9...a5 10.ba5 Ra5 11.Nc3=+) 10.Bd5 (10.Nc3!? N7b6 11.Bd3=) 10...ed5=+ 11.Nc3 Nf6 (11...Nb6 12.Re1–/+) 12.Qb3 c6 13.b5 Qc7 (13...a6 14.a4=+) 14.a4= cb5 (14...h6 15.Rfc1=) 15.Qb5 (better 15.Nd5 Nd5 16.Qd5+=) 15...Qb8 (better 15...Qc6=) 16.Nd5+– Nd5 17.Qd5 Be6 18.Qe5 (18.Qe4 Qd8+–) 18...Bd6 (18...Qe5 19.de5 Rac8 20.Nd4+=) 19.Qe4+– Re8 (19...Bc4 20.Rfc1 Re8 21.Ne5+–) 20.d5 (20.Ng5 f5 21.Qf3 g6+–) 20...Bd7+– 21.Qh4 (21.Qd3 f6+–) 21...f6 22.e4 (better 22.Qd4+–) 22...Be5?? (better 22...Qd8+=) 23.Be5 (better 23.Ne5!? Re5 24.Be5 Qe5+–) 23...fe5 24.Qg5 g6 (24...Qd6 25.Rfc1+–) 25.Qh6 Re7 (25...Qd6 26.Ng5 Re7 27.a5+–) 26.Ng5 (26.Rfc1 Qd6+–) 26...Qe8 (better 26...Qf8 27.Qf8 Rf8+–) 27.Ne6?? (better 27.Rab1 Ba4 28.f4+–) 27...Be6+= 28.de6 Re6 29.Rae1 (29.Qe3 Rd6+=) 29...Rc8 (29...Qa4 30.Rd1=+) 30.Qh3 Rc4 31.Re3 (31.a5!?=) 31...Ra4=+ 32.Rfe1 (32.Rc3 Rc6 33.Rd3 Rc7=+ (worse 33...Re4 34.Rd7 Rh4 35.Qb3 Kh8 36.Rb7=)) 32...b5 (32...Rc6 33.Rc3–/+) 33.Qf3 (33.Rd3 Rd4–/+) 33...Qe7 (33...Rd6 34.Rc3–/+) 34.Rd3 Qe8 (34...Rd4 35.Rd4 ed4 36.Qb3–/+) 35.Qd1 (better 35.Rde3=) 35...Rc4?? (better 35...Kg7=+) 36.Rd8+– Qd8 (36...Rc8 37.Re8 Rce8 38.Qd5+–) 37.Qd8 Kg7 (37...Kf7+–) 38.Qd7 Kh6 (38...Kh6 39.Qe6 Rc3 40.Rd1 Rd3 41.Rd3 a5 42.Qf6 Kh5 43.Rh3 Kg4 44.f3). Fettito – sumeet26mishra, lichess.org, 2018.

7.Qa4 dc4 8.Bc4 cb4 9.ab4 Bd6 =.

7.Qa4 Bd6 =.

7.Qb3 b6 8.cd5 (8.Nc3 dc4 9.Bc4 Rc8=) 8...Nd5 9.Bc4 N5f6 (9...cb4 10.Bd5 ed5 11.ab4=) 10.b5 (10.d4 cb4 11.ab4 a5 12.ba5 ba5=) 10...Bd6=+ 11.a4 0-0 12.h4 (12.0-0 Bg4=+) 12...Qc7 13.h5 Be5 (13...h6 14.d3–/+) 14.Ne5= Ne5 15.h6 Rfd8 (15...g6 16.0-0=) 16.Qc3 (16.hg7 Kg7 17.Qc3 Nc4 18.Qf6 (< 18.Qc4 e5+=) 18...Kf8 19.Qh8 Ke7 20.Bf6 Kd7 21.Bd8 Rd8 22.Qf6+/–) 16...Ned7?? (better is 16...Nc4 17.Qc4 Bd3=) 17.hg7+/– Qb7 18.f3 (18.Rh6 Ng4 19.Rh5 Qg2 20.Rf5 ef5–+) 18...Bg6 (18...Qc7 19.e4 Qg3 20.Kf1 Be4 21.fe4 Ne4 22.Qf3 Qf3 23.gf3 Ng3 24.Kg2 Nh1 25.Kh1+=) 19.Kf2 Nd5 20.Qc1 Nb4 21.Qf1 Qc7 22.Nc3 Ne5= 23.Ne4?? Be4 24.fe4?? Nc4 25.Rh7 f6! 26.Qh1 Qb8 27.Rh8+– Kf7 28.Qh5?? Ke7–+ 29.Bf6? Kf6 30.Qh4 Kf7 31.Qh5 Ke7 32.g8N Rg8 33.Rh7 Rg7 34.Rg7+= Kd6 35.Qf7 Qd8= 36.Qf4 Ne5 37.Ra3 Rc8 38.d4+= Rc7 (38...cd4 39.ed4 Nbc6 40.bc6 Qf8 41.de5 Kc5+–) 1–0. Wittner,Eduard – Schmenger,Lisa, Baden–ch AT4, 1994.

7.Qb3 dc4 8.Bc4 Bd6 9.bc5 Nc5 10.Qb5 Kf8 11.Bf6 Qf6 12.d4 =.

7.b5 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nb6 11.cd5 Nfd5 12.d3 Nb4 13.e4 Bg6 14.Bc3 Be7 (14...Qd7 15.h4 Bh5 16.Ne5 Bd1 17.Nd7 Kd7 18.Kd1=) 15.Be2 (15.Bg7 Rg8 16.Bc3 Bh5+=) 15...0-0 16.0-0 Qd7 17.Ne5 Qb5 18.d4 c4 (18...Qa5 19.Ng6 hg6 20.dc5+=) 19.Nd2 (19.Na3 Qa4 20.Ng6 hg6 21.Nc4 Qd1 22.Rd1 Nc4 23.Bb4 Bb4 24.Bc4 Rc8=) 19...Nd3 (19...Na2 20.Ba1 Rc8=) 20.Nec4 (better is 20.Qb1!? Qb1 A) 21.Nb1? Ne5 22.de5 Na4–+ (22...Be4?! 23.Bd4 Na4 24.Bc4–+); B) 21.Rb1 Ne5 22.Rb6+=) 20...Nf4–/+ (20...Nc4 21.Bd3 Qc6 22.d5+/–) 21.Re1 Ne2 22.Qe2 Nc4 23.Rb1 (23.Nc4 Rc8 24.Nd6 Qe2 25.Nc8–/+ (25.Re2?? Rc3 26.f3 Bd6–+)) 23...Qc6–+ 24.Qc4 Qc4 25.Nc4 Be4 26.Re1 Bd5 (26...Rc8 27.Re4 Rc4 28.Bd2–+) 27.Ne5 (27.Ne3!? Rd8 28.Nd5 Rd5 29.Ra1–+) 27...b5 28.h3 (28.Nd3 Ra8–+) 28...b4 29.Bb2 b3 30.Re3 (30.Nd7 Rd8 31.Nb6 Bc6–+) 30...Rc8 31.Nf3 (31.Rc3 Rc3 32.Bc3–+) 31...Rc2 32.Bc3 Rc3 33.Rc3 b2 (33...h5 34.Nd2=) 34.Nd2 (better is 34.Rc8!? Bf8 35.Rb8+/–) 34...h6 35.Rc8 Kh7 36.Rb8 Ba3 (better is 36...Bf6!? 37.Rb2 Bd4=) 37.Nb1+/– Bd6 38.Rb2 Kg6 0–1. anonymouuus – ozuo, kurnik, 2014.

7.b5 b6 8.Be2 Bd6 9.0-0 0-0 10.d4 cd4 11.Nd4 Bb1 12.Rb1 dc4 13.Bc4 (13.Rc1 a6+=) 13...Ne5 (better is 13...Bh2!? 14.Kh1 Be5+=) 14.Be2 Rc8 (14...Nd5 15.Rc1+=) 15.h3 (15.f4!? Ng6 16.Nc6+/–) 15...Nd5 16.Qb3 Bc5 (16...Nd7!?+=) 17.Ne6!+/– fe6 18.Be5 Qg5 19.Bd4 (better is 19.Bb2!?+/–) 19...Bd4= 20.ed4 Rc3 21.Qd1 Nf4 22.Bg4 h5 (worse is 22...Ra3 23.g3 h5 24.Qc1+=) 23.Qe1?? (23.g3 hg4 24.gf4 Rf4 25.h4 Qh4 26.Qe2–+) 23...Ra3 (better is 23...hg4 24.Qe4 gh3–+) 24.Be6= Kh8 25.g3 Re8 0–1. barborski (1645) – tomilan (1825), kurnik, 2014.

7.b5 Nb6 8.cd5 Nbd5 (8...ed5 9.Be2=+) 9.Be2 Bd6 10.0-0 0-0 11.d3 Qc7 (better is 11...Bg4=) 12.e4+/– Ng4 (12...Ne4 13.de4 Be4+/–) 13.h3 (better is 13.ef5 Nh2 14.Re1+–) 13...Nge3 (13...Nde3 14.fe3 Ne3 15.Qb3 Nf1 16.Bf1+= (< 16.ef5 Ng3 17.Nc3 Bf4=+)) 14.fe3 Ne3 15.Qb3 (better is 15.Qe1 Nf1 16.ef5+=) 15...Bh3? (15...Nf1 16.Bf1 (< 16.ef5 Ng3 17.Nc3 Bf4=+) 16...Bg6 17.Nbd2+=) 16.gh3?? (16.Qc3 f6 17.e5 (17.gh3?! Bh2 18.Kf2 Bg3 19.Kg1 Bh2 20.Kf2 Bg3 21.Kg1 Bh2=) 17...Bg2 18.Rf2 fe5 19.Rg2 Ng2 20.Kg2+–) 16...Bh2= 17.Nh2?? (better is 17.Kf2 Bg3 18.Kg1 Bh2 19.Kf2 Bg3 20.Kg1 Bh2=) 17…Qg3 (18.Kh1 Qg2#) 0–1. uno (1905) – IndoGin (1900), ICC, 2003.

8.Nc3 h6 9.d3 dc4=+ 10.dc4 Qc7 11.Qb3 0-0 12.Be2 Ne5 (12...Nb6 13.0-0=) 13.h3 (13.b6 Qb6 (< 13...ab6 14.Nb5 Qb8 15.Nd6 Nf3 16.gf3 Qd6 17.e4+/–) 14.Qb6 ab6=+) 13...Rad8 14.Rd1 Nf3 15.gf3 (15.Bf3 Be5=) 15...Be5 (15...Be7 16.e4 Bg6 17.Qa4=+) 16.e4 (16.f4 Rd1 17.Bd1 Bd6=) 16...Bg6–/+ 17.Rg1 (17.Qa4 Bh5=+) 17...Bd4 18.h4 (18.Rg2 Nh5–/+) 18...Qh2 19.Rf1 Qh4 20.Na4 ½–½. Franek,Michal – Zamojdzik,Z, Krakow op–B, 1998.

8.Nc3 h6 9.d4 dc4 10.dc5 Nc5 11.Bc4 Qc7 =.

8.d3 a6 9.Nc3 +=.

8.d3 dc4 9.dc4 Qc7 10.Bd3 Bg4 (10...Bd3 11.Qd3 Rd8 12.Qe2+=) 11.Nbd2= a5 (11...Ne5 12.Be2=) 12.Qc2 (12.h3 Bf3 13.Nf3 Rd8=) 12...Bf3 (12...Rd8 13.h3 Bh5 14.g4+=) 13.Nf3+= Ne5 (13...0-0 14.Rd1+=) 14.Ne5 (14.Be5 Be5 15.b6 Qb8 16.Qa4 Nd7+=) 14...Be5 15.h3 (15.b6 Qb8+=) 15...Bb2= 16.Qb2 b6 (16...0-0 17.Rd1=) 17.Rd1 Rd8 18.0-0 0-0 (18...e5 19.Rd2=) 19.Rd2 (19.Qc2 Rfe8=) 19...Rd7 20.Rfd1 Rfd8 21.Bb1 Rd2 22.Rd2 Rd2 23.Qd2 Kf8 (23...e5 24.Qd1=) 24.f4 (24.Qd1 g6+=) 24...Ke7 (24...e5 25.g4=) 25.Kf2 (25.g4 h6=) 25...e5= 26.g4 g6 (26...ef4 27.ef4 Kf8 28.Kg1=) 27.Kg3 (27.g5 Nh5 28.f5 gf5 29.Bf5 e4=) 27...h5 (27...h6 28.Qc3=) 28.g5+= ef4 29.ef4 Ne8 30.Qe3 (30.Be4 Qd6 31.Qe2 Qe6+=) 30...Kf8 31.Qe5 (31.Bd3 Qd7+=) 31...Qe5 (31...Qd8 32.Qh8 Ke7 33.Be4=) 32.fe5 Ke7 (32...Nc7 33.Bd3=) 33.Be4+= Ng7 34.Kf4 (better is 34.Bd5+=) 34...Ne6–/+ 35.Ke3 Ng5 36.h4? (36.Bg2 Ne6–/+) 36...Ne6?? (36...Ne4 37.Ke4 g5 38.hg5–+) 37.Bb1 (better is 37.Bg2!?–/+) 37...Nd4–+ 38.Ke4 (38.Kf4 Ke6–+) 38...Ke6 39.Bd3 Nf5 0–1. Schott,Detlef (1865) – Goerke,Joachim (2095), Niederrhein–ch, 2007.

8.cd5 ed5 9.Be2 0-0 10.0-0 Re8 11.Bf6 (11.Nc3 Qb6+=) 11...Qf6–/+ (11...gf6?! 12.Nc3 Nb6 13.d4=) 12.Nc3 Nb6 13.d4 Rac8 14.Rc1? (better is 14.Qd2!?+=) 14...cd4–+ 15.Nd4 (15.Qd4 Ba3 16.Qf6 gf6–+) 15...Ba3 16.Ra1? (16.Qd2 Bc1 17.Rc1–+) 16...Rc3 17.Qd2 (17.Ra2 Be4 18.Qa1 Bb4–+) 17...Rec8 18.Bf3 Bb4 (18...Be4 19.Rfd1–+) 19.Qa2 Ra3 20.Qb2 Ra1 21.Ra1 (21.Qa1 Ra8 22.Nf5 Qf5 23.Qd4–+) 21...Bc3 22.Qa2 Ba1 23.Qa1 Rc5 24.h3 Rb5! 25.Qa2 (25.Nb5 Qa1 Pinning (25...Qa1 Deflection)) 25...Rb1 26.Kh2 h6 27.Qa7 Qd6 28.g3 Bc8 (28...Bc8 29.Qa5 Rb2–+) 0–1. Kulsarieva,Nyrita – Henderson De la Fuente,Andrea, Al–Ain UAE, World Ch Girls U12, 2013.

8.Be2 dc4 9.Bc4 0-0 10.0-0 Ng4 11.Nc3 (11.d4 Rc8+=) 11...Bb8 (11...Nde5 12.Ne5 Ne5 13.Be2–/+) 12.h3 (better is 12.e4!? Qc7 13.Re1=) 12...Nge5–/+ 13.Be2 Qc7 (13...Nf3 14.Bf3 Qc7 15.g3 Bh3 16.Re1–/+) 14.Ne5 Qe5 (14...Ne5!? 15.f4 Nd3+=) 15.f4= Qf6 (better is 15...Qd6!?=) 16.Bf3+/– Qg6?? (16...Bd6 17.d3+/–) 17.Kh2 (better is 17.Bb7 Bd6 18.Ba8 Ra8 19.Qf3+–) 17...Bc7 18.Bb7 Rab8 19.Bc6 Nf6 20.Qf3 Bd3 21.Rg1 e5 22.fe5 Be5 23.Kh1 Nh5 (23...Rfd8 24.a4=) 24.g4+= Nf6 25.Na4 (better is 25.Ra2!?+=) 25...Bb2+= 26.Nb2 Rfc8?? (better is 26...Bb5 27.Bb5 Rb5+=) 27.Nd3+/– Qd3 28.Rad1 (28.Raf1 Rf8+/–) 28...Qa3 29.Rgf1 (29.Ra1 Qd3 30.Ra7 h6+–) 29...Rf8 (29...h6 30.Ra1 Qb2 31.Qg2+=) 30.g5 Ne8 31.Bd5 (31.Ra1!? Qd3 32.Qf5 Qd2 33.Qc5+/–) 31...Nd6+= (31...Rb5?? 32.Bf7 Kh8 33.Be8 Rf3 34.Rf3+–) 32.Bc4?? (better is 32.Ra1 Qd3 33.Ra7+=) 32...Nc4–+ 33.Ra1 (33.Qd5 Nb6 34.Qf5 Qb4–+) 33...Qd3 34.Qf4 (34.e4 Qf3 35.Rf3 Nd2–+) 34...Ra8 (34...Nd2 35.Rfd1–+) 35.h4 (35.Rf2–+) 35...Qd2 (35...Nd2 36.Rad1 c4 37.Rf2–+) 36.Rf3?? (better is 36.Qc4 Qe3 37.Ra2–+) 36...Qc3 (better is 36...Qb2 37.Rd1 Qb5 38.h5–+) 37.Raf1 (37.Ra4 Nb6 38.Ra6 Qb3–+) 37...Nd2 38.R1f2 (38.h5 Nf3 39.Rf3 Rab8–+) 38...Nf3 39.Rf3 Qe1 40.Kg2 Rad8 41.Kh3 Rd2 42.Kg4 (42.e4 Qh1 43.Kg4 Rh2–+) 42...Qg1 (better is 42...Rg2 43.Kh5–+) 43.Rg3 Qd1 44.Rf3 (44.Qf3 Qa4 45.Kh3 Qb5–+) 44...Rf2 (44...f5 45.gf6 Rg2 46.Qg3 h5 47.Kf4 Qd6 48.Ke4 Re8 49.Qe5 Re5 50.Kf4 Qf6) 45.Kh5 (45.h5 h6! 46.gh6 f5 47.Kg3 Qg1 48.Kh4 Qh1 49.Kg5 Rf3 50.Qc4 Kh7 51.Qg8 Rg8 52.hg7 Qd1 53.Kf6 Qd6 54.Kf7 Rg7 55.Ke8 Re3) 45...Rf3 46.Qf3 (46.Kg4 Re3 47.Qf3 Qf3) 46...g6 (46...Qf3) 47.Kg4–+ Qd7 48.Kg3 Qd6 49.Kg2 h6! 0–1. lllllll21 – inferno6666, kurnik, 2014.

8.Bc4 Bc5 9.Nh4 =+.

8.c6 bc6 9.Bc4 Qc7 (9...Rb8 10.Bd4+=) 10.Nc3 Rb8 11.Qc1 Bd6 12.h3 0-0 13.Nh4 Ne5 14.Bb5 0–1. Zwaap,Jeroen – Wolbers,J, NED u–20 Open, Hengelo NED, 1999. (=1.a3 d5 2.b4 Bf5 3.e3 e6 4.Bb2 Nf6 5.c4 Nbd7 6.Nf3 c5 7.bc5 dc4)

8.d4 Bd6 9.Nc3 (9.c5 Bc7=) 9...Rc8 (9...dc4 10.Nd2 0-0 11.e4+=) 10.Qb3 (10.c5 Bb8=) 10...dc4 11.Bc4 0-0 12.Nh4 (12.Rc1 a6+=) 12...Bc2+= 13.Qc2 Rc4 14.Qb3 Nb6 (14...Rc6 15.Nf3+= (15.Qb7? Rb6 16.Qa7 Rb2–+)) 15.0-0 Ne4 (15...Qc7 16.Nf3=) 16.Nf3= Nc3 17.Bc3 ½–½. Ballatore,G (2120) – Sanglan,Philippe (2030), FRA–ch op FIDE, 1994. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 Bf5 4.e3 Nbd7 5.c4 e6 6.a3 c5 7.bc5 Bc5)

8.d4 Be7 9.Nc3 Qb6 10.Ra2 0-0 11.c5 Qa5 12.Bb5 a6 13.Bd3 Ne4 14.Qc2 Bf6 15.Be4 Be4 (< 15...de4 16.Nd2+=) 16.Qa4 Qa4 17.Na4 Bc2 18.Nc3 Bd3 19.Kd2 Bc4 20.Raa1 Rac8 (20...Rfd8 21.Ke1=+) 21.Rab1 Rc6 (21...Rfd8 22.Rhc1=+) 22.Ba1 (22.e4 Rfc8=) 22...Rb8 23.e4 b6 24.cb6 Be7 (24...Rcb6 25.Rb6 Nb6 26.Rb1=+) 25.b7 (25.ed5 Rcb6 26.de6 Be6=) 25...de4 (25...Rc7!?=+) 26.Ne4= Ba3 27.Bb2 (better is 27.Nc5!? Nc5 28.dc5 Rc5 29.Be5 Re5 30.Ne5=) 27...Be7 28.Bc3 f5 (28...Bd5 29.Nc5 Bc5 30.dc5 Bf3 31.gf3 Nc5 32.Bd4 Nb7 33.Ke3–/+) 29.Neg5 (better is 29.Nc5!? Nc5 30.dc5 Rc5 31.Bd4=) 29...Nb6 30.Bb4 Bg5 (< 30...Rb7 31.Be7 Re7 32.Ne5+=) 31.Ng5 Rb7 (31...Bd5 32.Rhc1 Nc4 33.Kd3–+) 32.Rhc1 Nd5 (32...Rd7 33.Nf3 Bb5 34.Rc5–/+) 33.Bc5=+ Bb5 (33...Rb5 34.Rb5 ab5 35.Ra1=+) 34.Bd6 (34.Re1!?=) 34...Rc1 35.Rc1 Bd7 36.Be5 a5 37.Rc5 h6 38.Nf3 a4 39.Rc4 (39.Rc2 a3–/+) 39...a3 40.Rc2 Nb4 41.Rc4 (41.Rc1!?–+) 41...a2 42.Rc1 Nd5 43.Kc2?? (43.Ra1 Rb2 44.Kc1 Rf2 45.Nd2–+) 43...Ba4 44.Kd3 Rb3 45.Ke2 Bb5 46.Kd1 Rb1 (47.Kc2 Rc1 48.Kc1 a1Q 49.Kd2 Qb2 50.Kd1 Nc3 51.Ke1 Qe2#) 0–1. Chess 2175 – Excellence 4 mhz, 5+5, 1990.

8.d4 Be7 9.cd5 Nd5 10.Nbd2 Qb6 11.Nc4 Qc7 12.Be2 0-0 (12...b5 13.Nce5=+) 13.Rc1= Rfd8 14.0-0 Rac8 15.Bd3 Bd3 16.Qd3 N5b6 17.Ncd2 Qb8 18.e4 Nc5 19.Qb5 Nca4 20.Rc8 Rc8 21.Rc1 Nb2 (21...Rc1 22.Bc1 Nc3 23.Qd3=) 22.Qb2 (22.Rc8 Qc8 23.Qb2 Na4=) 22...Rc1=+ 23.Qc1 Qd6 24.a4 a5 25.Qf1 (25.Qc3 Qb4 26.Qc7 Na4 27.Qc8 Bf8–/+) 25...Na4 26.Qb5 Nc3 (26...Qc6 27.Qa5 b5 28.Ne5 Qc1 29.Nf1=+) 27.Qb7= Qd8 28.Qa6 Qc7 29.Ne5 a4 30.Nc6 Ba3 31.h3 Qd7 32.Qc4 Ne2 33.Kf1 Nf4 34.Qa4 Bd6 35.Qb5 f6 36.Nc4 Bf8 37.Ne3 Bd6 38.Ng4 Qe8 39.Qb7 Nd3 40.Ne3 Kh8 41.Nc4 Bf8 42.Qb8 Qb8 43.Nb8 Nf4 44.f3 Kg8 45.Nc6 g5 46.Kf2 Kf7+/– 47.Kg3 Ke8 48.h4 h6 49.hg5 hg5 50.Nb6 Nd3 51.Kg4 Bd6 52.d5 ed5 53.ed5 Nf4 54.Kf5 Bc7 55.Na8 Bd6 56.Kf6 Nd5 57.Kg5+– Kd7 58.Nd4 Bc5 59.Nb3 Be7 60.Kg4 Bd6 61.Nd2 Ne3 62.Kh3 Kc6 63.g4 Kb7+= 64.g5 Ka8 65.g6 Be5 66.f4 Bg7 67.Ne4 Kb8 68.Nc5+/– Nf5 69.Kg4+– Ne3 70.Kh3?? Bc3 71.Ne6 Nf5 72.Kg4+– Ng7? 73.Ng7 Bg7 74.Kg5 Bd4 75.f5 Be3 76.Kf6 Kc7 77.g7 Bd4 78.Kf7 Be3 79.g8Q Bf2 80.Ke6 (80...Kb6 81.f6+–) 1–0. COMP Super Nova – COMP Excellence 4 MHz, 1990.

8.cd5 ed5 9.Nd4 Bg6 =.

8.cd5 ed5 9.Bf6 Nf6 10.Qa4 Kf8 11.Nc3 =.

8.Be2 dc4 9.Bc4 0-0 10.0-0 Nb6 11.Be2 Be7 (11...Rc8 12.d3=+) 12.d4 (12.Bf6 Bf6 13.d4 Rc8=+) 12...Rc8 13.Ne5 (13.Nc3 Nbd5 14.Nd5 Nd5=) 13...Nbd5 (13...Rc2 14.Bc3=+) 14.Nd2 Ne4 (14...Rc2 15.Rb1=+) 15.Ne4= Be4 16.Rc1 Bd6 (16...Rc1 17.Qc1 Qd6 18.f3+=) 17.Bd3 (17.Rc8 Qc8 18.Bf3 Bf3 19.Nf3 Qc6=) 17...Be5+= 18.de5?? (18.Rc8 Bh2 (18...Qc8 19.Be4 Bd6 20.Qh5=) 19.Kh1 Qc8 20.Be4 Bd6=+) 18...Bd3 (better is 18...Rc1 19.Bc1 Nc3–+) 19.Qd3 (19.Rc8 Qc8 20.Qd3 Rd8=) 19...Qd7 (19...Qg5 20.e4 Qg2 21.Kg2 Nf4 22.Kf3 Nd3 23.Rc8 Rc8 24.Bd4=+) 20.Rfe1 (20.e4 Nf6 21.Qd7 Nd7+=) 20...Rc1 21.Bc1 Qe7 22.Bb2 (22.e4 Nb6+=) ½–½. Forman,Stepan (1935) – Pavelka,Vladimir (1735), CSS–ch U16 Svetla, 1995.

8.d4 Qb6 9.Bc3 Ncd7 10.Nbd2 =.

8.d4 Ncd7 9.c5 Ne4 10.Qa4 Be7 11.Ne5 a6 12.Be2 f6 (12...Nef6 13.0-0=) 13.Qd7 Qd7 14.Nd7 Kd7 15.h4 (15.f3 Ng5+=) 15...h5 16.Bd1 (16.Nd2 Bd8 17.Ne4 Be4=) 16...Bd8 17.f3?? (better is 17.Nc3=) 17...Ba5–+ 18.Kf1 Ng3 19.Kg1 Nh1 20.Kh1 Rhc8 21.Bc3 Bc3 22.Nc3 b5 23.Be2 Bc2 24.Rc1 Bb3 25.Kh2 Bc4 26.Bd1 Rab8 27.Rb1 (27.f4 a5–+) 27...e5 (27...a5 28.Kg3–+) 28.Bc2 Kc6 29.Bg6 (29.Bf5 Rc7–+) 29...Rc7 (29...a5 30.Bf5 Rf8 31.Bg6–+) 30.Na4 ed4 31.ed4 Re7 32.Nb6 Re3 33.Ra1 Bd3 34.Bf7 Rd8 35.Rd1 g6 36.Kg3 Bf5 37.Ra1? Re7 38.Bd5 Rd5 39.Nd5 Kd5 40.c6 Bd3 41.Rc1 Bc4 42.c7 Rc7 43.Re1 Kd4 44.Re4 Kc3 45.Re3 Kd4 46.Re4 Kc5 47.Re8 Kb6 48.Rf8 Rc6 49.Kf2 Ka5 50.Re8 Ka4 51.Re3 Bb3 52.Ke1 Ka3 53.Kd2 Rd6 54.Kc3 b4# 0–1. Halmeenmaeki,Juha_Pekka – Pihlajamaeki,Antti, Helsinki We SKF, 1988.

8.d4 Ncd7 9.Nbd2 Rc8 10.Qb3 b6 (10...Be7!?=) 11.Be2+= Bd6 12.0-0 0-0 13.Rac1 dc4 (13...Re8 14.Qa4+=) 14.Nc4 Be7 (14...Bc7 15.Qa4+–) 15.Nce5+– Nd5 (15...Ne5!? 16.Ne5 Bd6+–) 16.Nc6+– Qe8 17.Na7 Rc1 18.Rc1 (18.Bc1?! Qa8 19.Nb5 Rc8+=) 18...Qa8 19.Nb5 1–0. UncleBulgaria (2460) – EnasYorl (2085), ChessWorld.net, 2017.

8.d4 Nce4 9.Qa4 Qd7 10.Qd7 Nd7 11.c5 (11.Nh4 Bg4=) 11...a6 (11...Be7 12.Nfd2=) 12.Nbd2 (12.Nh4 Bg4=) 12...Ndf6 (12...Be7 13.Ne4 Be4 14.Be2=) 13.Be2 (13.Ne4 Be4 14.Bc3 Be7+=) 13...Be7 14.0-0 (14.Ne4 Be4 15.Bc3 Bf5+=) 14...0-0 (14...h5 15.a4=) 15.a4 (15.Ne4 Ne4 16.Ne5 Rfe8+=) 15...Bd8 (15...Nd2 16.Nd2 Rac8 17.Rfc1=) 16.a5 Bc7 (16...Rc8 17.h3=) 17.Ne4+= Be4 18.Rfc1 Rfc8 19.Nd2 (19.Ra3 Nd7+=) 19...Bf5 20.g3 (20.h3 h6=) 20...Bd8 (20...g5 21.Bc3=) 21.Rc3 (21.Nf3 Ne4=) 21...Rc6 (21...Ra7 22.Rb3=) 22.Rb3+= Rb8 (22...Rc7 23.Nf3+=) 23.Bc3 Ne4? (better is 23...e5+=) 24.Ne4+– Be4 25.Ra2 e5 26.Rab2 ed4 27.ed4 Re6? (27...Bf5+–) 28.Rb7 Rb7 29.Rb7 Kf8 30.Ra7 Bf6 (30...Re7 31.Ra6 Rb7+–) 31.Ra6 Re8 (31...Ra6 32.Ba6 Ke7 33.Bb7+–) 32.Bb5 Rb8 (32...Rc8 33.Rb6 Bd8 34.a6+–) 33.Rb6 Rc8 34.a6 Bd8 (34...Ra8 35.Bc6 Ra6 36.Ra6+–) 35.Rb7 Ra8 36.a7 Bf5 37.Rb8 (better is 37.c6 g5 38.c7 Bc7 39.Rc7 Ra7 40.Ra7 Bg4+–) 37...Ra7 38.Rd8 Ke7 39.Rd5 Ra3 (39...Be6 40.Re5 f6 41.Re3+–) 40.Rf5 Rc3 41.c6 (41.Rd5 f5 42.c6 Ke6+–) 41...Rc1 42.Kg2 Ke6 43.Rc5 Rd1 44.c7 1–0. Karkus,Anna (2085) – Gergely,Nora, HUN–ch U16 Girls, 1998.

8.d4 Nce4 9.Qa4 Qd7 10.Qd7 Nd7 11.cd5 ed5 12.Nbd2 (12.Nc3 Nc3 13.Bc3 Rc8=) 12...Rc8=+ 13.Rc1 ½–½. Gierke,Axel – Lukas,Norbert (1735), Jugend–Verbandsliga, 1988.

8.cd5 Qd5 9.d4 (9.Bf6 gf6 10.Bb5 Kd8=) 9...Ncd7 (better is 9...Qb3!? 10.dc5 Qb2–/+) 10.Nc3= Qa5 11.Bd3 Ne4 12.Qc2 Ndf6 13.0-0 Rc8 14.Rfc1 Bd6 15.Qb3 (15.Nh4!?+/–) 15...0-0= 16.Ne4 Ne4 17.Be4 (better is 17.Rc8!? Rc8 18.Qb7+=) 17...Be4+= 18.Ne1 Qh5 19.g3 Qh3 20.Bc3 Rc7 (20...Bd5!? 21.Qb1 Rfd8–/+) 21.Bb4+= Rc1 22.Rc1 Bb4 23.ab4 h5 (23...Qh5!?=) 24.f3+= Bd5 25.Qc2 h4 26.e4 Bc6 27.Qg2 Qg2 28.Kg2 hg3 29.hg3 Rd8 30.Rd1 Ba4 31.Rd2 Rc8 32.Nd3 (32.d5!?+=) 32...Rc4= 33.Nc5 Rb4 34.Na4 (better is 34.d5!? ed5 35.ed5+=) 34...Ra4–/+ 35.d5 Kf8 36.de6 (36.d6!? Ke8 37.Rb2+=) 36...fe6–/+ 37.Rd7 b6 (37...b5 38.f4–/+) 38.Kf2 g5 39.Rb7 Ke8 40.Rg7 Ra5 41.Ke3 a6 42.Rb7 Rb5 43.Kd4 Kd8 44.Ra7 Rc5 45.Ra6= Kc7 46.Ra7 Kc6 47.Rg7 b5?? 48.Rc7!+– Kc7 49.Kc5 b4 50.Kb4 Kb6 51.Kc4 Kc6 52.Kd4 Kd7 53.Ke5 Ke7 54.g4 Kf7 55.Kd6 Kf6 56.e5 Kf7 57.Kd7 1–0. kianas – Snicks, ChessWorld.net, 2012.

8.cd5 Nd5 9.Bb5 Nd7 10.Ne5 N5b6 11.Bd4 Bd6? (better is 11...Qc7+=) 12.Bb6+– ab6 13.Nd7 (13.Bd7 Ke7 14.Nc4 Qd7=) 13...Ke7 14.Nc3 e5 (14...Ra5+–) 15.Nd5 (15.Nd5 Ke8 16.N7b6 Kf8 17.Na8 Qa8 18.0-0+–) 1–0. PeterRs – Snicks, ChessWorld.net, 2012.

8.cd5 Nd5 9.Bb5 Ke7 =.

8.Nd4 ba3 9.Na3 Nd5 10.Nf5 ef5 +=.

8.de6 Be6 9.a4 (9.Nd4 ba3 10.Na3 Bd5=) 9...Be7 10.Nd4 Qb6 11.a5 Qd6 12.Nb5 Qc6 13.Nd4 Qd5 14.Ne6 Qe6 15.a6 b6 16.Qc2 (16.Bb5 0-0=) 16...0-0 17.Bd3 (17.d4 Rac8 18.Qd1 b3+=) 17...Rac8+= 18.Qd1 Qd5 19.Bf1 Qf5 20.d3 Ng4 21.Qf3 Qf3 22.gf3 Nge5 (better is 22...Nf2 23.Rg1 g6 24.Kf2 Rc2 25.Ke1 Bh4 26.Kd1 Rb2–/+) 23.Bh3?? (better is 23.f4 Ng4 24.Be2=) 23...Nd3–+ 24.Ke2 Nb2 25.Bd7 Rc2 26.Kf1 Bh4 27.Kg2 Bf2 28.Bf5 Re2 29.Ra2? Be3 30.Kg3 Rd8 31.f4 Bc5 32.Bg4 Re3 33.Kh4 Be7 34.Kh5 g6 35.Kh6 Bf8 36.Kg5 h6 (36...h6 37.Kf6 Bg7 mate) 0–1. Frank,Detlev – Hachmann,Bjoern, Pinneberg–ch op, 1999. (=1.a3 d5 2.b4 Nf6 3.Bb2 Bf5 4.e3 Nbd7 5.Nf3 e6 6.c4 c5)

8.bc5 Bc5 9.Nc3 0-0 10.d4 Bd6 11.Be2 Rc8 12.0-0 Nb6 13.Nb5 Nc4 14.Bc3 a6 (14...Bb8!? 15.Bb4 Re8+=) 15.Nd6= Nd6 (worse is 15...Qd6 16.Bb4 Qe6 17.Bf8 Kf8 18.Qb3+–) 16.Qb3 Nb5 (16...Re8!?=) 17.Bb4 Re8 18.h3 Qd7 19.Ne5 Re5? (better is 19...Qe6+=) 20.de5+– Ne4 21.Bb5 (21.Rac1 Rc1 22.Rc1 Na7+–) 21...ab5 (better is 21...Qb5!? 22.Rfd1 Nc3+/–) 22.Rad1 Be6 23.Qd3 Qd8 24.Bd6 (24.Qb5!? Qg5 25.f4 Qg6+–) 24...Qg5 25.f4 (25.Qb5 Bh3 26.g3 Ng3–+ (26...Bf1?! 27.Rf1 Ng3 28.fg3=)) 25...Qg3 (25...Qg6!? 26.Rf3 Bf5+/–) 26.f5+– (26.Qb5?! Qe3 27.Kh2 Qg3 28.Kh1 Nf2 29.Rf2 Qf2=) 26...Bd7 27.Rf3 (27.e6!? Nd6 28.Rf3 Qe5 29.ed7 Rd8 30.Qd5 Nc4+–) 27...Qg5 28.Qd5 (better is 28.Bb4+–) 28...Nc3? (28...Rc2 29.g4 Bc6+/–) 29.Qd2 (better is 29.Be7! Qe7 30.Qd7+–) 29...Nd1+= 30.Qd1 Bf5 31.Qf1 Be4 32.Rf7 1–0. vihavald (1700) – misza85, kurnik, 2014.

8.bc5 Bc5 9.Be2 (9.Nd4 Bg6=) 9...0-0 10.0-0 Qb6 11.Bd4 Rac8 (11...Rfc8 12.Nc3=) 12.Nc3 Bd4 (12...Rfe8 13.Na4 Qd6 14.Nc5 Nc5 15.d3=) 13.Nd4 Bg6 14.f4 Be4 15.Na4 Qa5 (15...Qd6!?=) 16.d3+/– Bg6 17.f5 Bh5 18.Bh5 Nh5 19.Rb1 Nhf6 (19...Qa6 20.Qh5 Qa4 21.Rb7+=) 20.Rb7 Ne5 (20...Nb6 21.Nb6 ab6 22.Qb3+=) 21.Rb4 Qa6 22.Nb5 Qc6?? (better is 22...Rfe8 23.Re1 Nc6+=) 23.Na7+– Qa6 (23...Qd6 24.Nc8 Rc8 25.Qe2+–) 24.Nc8 Qc8 (24...Rc8 25.Nb6 Re8 26.Rb3+–) 25.Nb2 1–0. Eralos – fraksweden, ChessWorld.net, 2003.

8.bc5 Bc5 9.Bf6 gf6 10.d4 Bd6 11.Qb3 +/–.

8.bc5 Bc5 9.Bf6 Qf6 =.

8.Nc3 cb4 9.Nd5 ba3 10.Ba3 Ba3 =.

8.bc5 Nc5 9.Bb5 Ke7 10.Bd4 Rc8 11.0-0 a6 12.Be2 f6 13.Nh4 Bg6 14.f4 b5 15.f5 Bf5 (15...Bf7 16.Bc5 Rc5 17.a4=) 16.Nf5+= ef5 17.Rf5 g6 (The passed pawn on d2 quickly leads to threats) 18.Rf1 Ne6 19.Bg4 Rc4 (19...Rc6 20.Bb2 Bg7 21.a4+=) 20.Be6+/– Ke6 21.d3 Rc6 22.e4 Nf4 23.Qb3 (23.Bb2 Bc5 24.Kh1 Nd3 25.Rf6 Qf6 26.Qb3 Kd7 27.Bf6 Nf2 28.Kg1 Ne4 29.Kh1 Rf6 30.Nd2 Nf2 31.Kg1–/+) 23...Ke7–/+ 24.Bc3 Nd3 25.Ra2 Bh6 26.Rc2 Rd6 27.Kh1 Bf4 28.Ba1 Be5 29.Nc3 Bc3 30.Bc3 Rf8 31.Bd2 Kd7 (31...Qd7 32.Bb4 Nb4 33.ab4=+) 32.Rc3 (32.e5 Ne5 33.Bb4+/–) 32...Ke8 33.Be3 Rf7?? (better is 33...Qd7=) 34.Qc2+– Ke7 (34...Qa5 35.Rd3 Rd3 36.Qd3 Qd8 37.Qd8 Kd8+–) 35.Rc7 Rd7 36.Rc8 Qa5 (36...Rd6+–) 37.Bc5 Nc5 38.Qc5 Rd6 39.e5 fe5 40.Qe5 Re6 41.Rc7 Kd8 42.Rd1 Ke8 43.Qe6 (43...Kf8 44.Qf7#) 1–0. velerofontis – slavi, playchess.de, 2002.

7.d4 b6 8.Nbd2 c5 (8...a5 9.c5 Be7 10.Bb5=) 9.Qb3 (9.bc5 bc5 10.cd5 ed5 11.dc5 Nc5 12.Bb5 Bd7 13.Bd7 Nfd7=) 9...Rc8 10.Be2 0-0 11.0-0 Ne4 (11...Qc7!?=) 12.cd5+= Nd2 13.Nd2 Nf6 14.de6 Be6 15.Qa4 Bd7 (15...Qc7 16.Rac1 Bh2 17.Kh1+/-) 16.b5 Bb8 (16...a6 17.Rfd1+/- (17.Qa6?! Ra8 18.Qb7 Rb8=)) 17.Rac1 Qc7 (17...a6 18.Rfd1+/-) 18.g3+- Bh3 19.Rfd1 Qb7 20.Bf3 Qd7 (20...Qe7 21.dc5 Rc5 22.Qh4+-) 21.dc5 Qf5 (21...Rc5 22.Rc5 bc5 23.Ne4+-) 22.cb6 (better 22.Qh4 Bg4 23.e4 Qg6 24.Bf6 Bf3 25.Nf3 gf6+-) 22...ab6 23.Qh4 g5 (23...Rc1 24.Rc1 Bg4+-) 24.Qd4 (better 24.Qh6 Rc1 25.Rc1 Be5+-) 24...Rcd8 (24...g4 25.Bc6+-) 25.Qf6 Qf6 26.Bf6 Rd6 (26...Rd3 27.Nc4 Rd1 28.Rd1+-) 27.Be7 Rd2 (27...Rc8 28.Bd6 Bd6 29.Rc6 Rc6 30.bc6+-) 28.Bf8 (better 28.Rd2!? Re8 29.Bg5 Kg7+-) 28...Rd1 29.Rd1 Kf8 (29...Bc7 30.Bh6 Be6 31.Bg5+-) 30.Rd8 Kg7 31.Rb8 Be6 (31...Bf5 32.Rb6 g4 33.Bd5+-) 32.Rb6 g4 33.Be4 (33.Re6 gf3 34.Rc6 h6 35.b6 Kh7 36.b7 Kg8 37.b8Q Kg7 38.Qe5 Kg8 39.Qf6 h5 40.Rc8 Kh7 41.Rh8) 33...f5 34.Re6 fe4 35.b6 (35.b6 Kf7 36.Re4 h6 37.b7 Kf8 38.b8Q Kf7 39.Qd6 h5 40.Re7 Kg8 41.Qd8) 1-0. jhonores (2165) – acaceda, UNI PERεs Undε½cima Ediciε=+n Arena, 2020.

7.d4 c6 8.Nbd2 0-0 9.c5 Bb8 (9...Bc7 10.Be2=) 10.Be2 Re8 (10...Ne4 11.0-0=) 11.0-0 Qc7 12.g3 (12.a4 b6=) 12...Bh3 (12...Rd8 13.Nh4=) 13.Re1 Qd8 (13...Bg4 14.Kg2=+) 14.b5 (14.Bd3 Bg4=) 14...e5 (14...Qc7 15.a4=) 15.bc6 bc6 16.Qa4 (16.Ba6 Bc7=) 16...e4 (16...Qc8 17.Ba6 Qc7 18.Qb3+–) 17.Ng5+= (worse 17.Qc6 ef3 18.Qa8 fe2 19.Re2 Qc8–/+) 17...Bg4? (better 17...Bf5 18.Qc6 Bc7+=) 18.Qc6+– Be2 19.Qa8 (19.Re2?! Bc7+=) 19...Bh5 (19...Bd3 20.Qb7+–) 20.Qb7 h6 (20...Re7 21.Qc6+–) 21.Nh3 Re7 22.Qa6 (22.Qb3 Qa5 23.Bc3 Qa6+–) 22...Ng4 (22...Bg4 23.Nf4+–) 23.c6 (23.Rec1 Ngf6+–) 23...Nb6 24.a4 Re6 (24...Nf6 25.a5 Na8 26.Ba3+–) 25.a5 (25.Rec1 Nc8+–) 25...Nc4 (25...Nc8 26.Rec1+–) 26.Nc4 dc4 27.Rac1 Re8 (27...Nf6 28.Qc4 Re7 29.Nf4+–) 28.Qc4 Bc7 29.Nf4 (better 29.Qc5 Nf6 30.Nf4 Bf3+–) 29...Qf6 (29...Bf4 30.ef4 (worse 30.gf4 Qh4 31.Rc2 Nh2 32.Ba1 Nf3 33.Kg2 Qg4 34.Kh1 Qh3) 30...Qa5 31.d5+–) 30.Qe2 (30.Qc5 g5 31.Rc2 gf4 32.Qh5 Qg6 33.Qg6 fg6 34.gf4 Nf6+–) 30...Qg5 (30...Nh2 31.Qh5 Nf3 32.Kf1 Ne1 33.Nd5+– (33.Re1?! Qc6 34.Rc1 Qd7+–)) 31.Rc5 f5 (31...Nh2 32.Nh5 Nf3 33.Qf3 Qc5 34.dc5 ef3 35.Ng7+–) 32.h4 Qg6 (32...Qe7 33.Nh5 Qf7+–) 33.Ng6 Bg6 34.Qa6 f4 35.gf4 1–0. Janek – Galose, internet free game, 2017.

7.Nd4 Bg6 =+.

8.c5 Be7 =.

8.Nd4 Be4 =+.

8.Be2 a5 9.b5 (9.c5 ab4 10.ab4 Ra1 11.Ba1 Be7=) 9...Nc5 (9...dc4!? 10.Bc4 Nb6=+) 10.d4= Nce4 11.c5 Nc3 12.Bc3 Ne4 13.Bb2 Be7 14.0-0 Bf6 (14...b6 15.c6=) 15.Rc1 Qe7 16.a4 (16.Bd3 Rfe8+=) 16...c6 17.Ne5 (better is 17.Qb3!?=) 17...Be5=+ 18.de5 cb5 (18...Nc5 19.Ba3 b6 20.bc6+=) 19.Bb5 Nc5 20.Ba3 b6 21.Qd4 Rac8 22.Rc3 f6 23.Rfc1 fe5 24.Qe5 Rc7 25.f3 Rd8 26.Qd4 e5–/+ 27.Qd2 Bg6 28.Rb3 Nb3–+ 29.Be7 Re7 30.Qc3 Nc1 31.Qc1 Rf7 32.Kf2 h6 33.Qc6 Rf6–+ 34.Qc7 Rdd6 35.Ke2 Kh7 36.Kd2 d4 37.e4 d3 38.Qb8 Rde6 39.Kd3 Bf7 40.Ke3 Bh5 41.h4 Bg6 42.Qc8 Bf7= 43.g4 Re7 44.g5 hg5 45.hg5 Rg6 46.Qd8 Ra7 47.Bd7 Be6 48.Be8 Bf7 49.Bf7 Rf7 50.Qe8 Rc7 ½–½. Petersen – Schueler,W, corr ICCF Cp, 1996.

8.Be2 a6 9.0-0 dc4 10.Bc4 b5 11.Be2 c5 12.bc5 Nc5 13.d4 Nce4 14.Nh4 (14.Ne4 Ne4 15.a4 Rb8=+) 14...Nc3 15.Bc3 Nd5 16.Bb4 Bh2! (16...Qh4?! 17.Bd6 Rfd8 18.Bg3=) 17.Kh2 Qh4 18.Kg1 Rfc8 19.Bc5 Nc3 20.Qe1 Ne4 (20...Ne2 21.Qe2 Bg4 22.f3–/+) 21.Bf3–/+ Nc5 (better is 21...Rab8 22.Rc1 Nc5 23.dc5 Bd3–/+) 22.Ba8–+ Nd3 (22...Ra8 23.dc5 Rc8 24.Qb4+=) 23.Qa5?? (23.g3 Qf6 24.Qe2 Ra8 25.e4–+) 23...Ra8–+ 24.a4 Qg5 25.Qc7 e5 26.de5 Be4 27.f3 Qe3 28.Kh2 Qh6 29.Kg1 Qc6 30.Qd6 Bd5 31.Rfd1 Qc5?? 32.Qc5=+ Nc5 33.Rd5 Na4 34.Ra4? ba4–/+ 35.Ra5 Kf8 36.Kf2 Ke7 37.Ke3 Ke6 38.Ke4 h5 39.f4 g6 40.g3 f5 41.ef6 Kf6–/+ 42.Kf3 a3 43.Ra3 a5 44.Ra4 Kf5 45.Kg2 Kg4 46.Kf2 Kf5 47.Kf3 Ra6 48.Kg2 Ke6 49.Kf3 Kd5 50.Ke3 Kc5 51.Kd3 Kb5 52.Ra1 Rc6 53.Rb1 Ka4 54.Ra1 Kb4 55.Rb1 Ka3 56.Ra1=+ Kb2 57.Ra5 Rc3 58.Ke2 Rg3–/+ 59.Kf2 Rg4 60.Kf3 Kc3 61.Rd5 Kc4 62.Rd8 g5 63.fg5 Rg5 64.Kf4 Rg1 (better is 64...Rg2!?–/+) ½–½. Merkl,M – Spiegel,Michael, corr SOK–90–62, 1990.

8.Be2 a6 9.Nd4 Bg6 =.

8.Be2 dc4 9.Bc4 Nb6 10.Bb5 –/+.

8.Be2 dc4 9.Bc4 Nb6 10.Be2 =+.

8.Be2 c5 9.b5 (9.Nb5 Be7=+) 9...Ne4 (9...Nb6 10.d3=+) 10.0-0 (10.cd5!? Nc3 11.dc3=) 10...Nc3 11.Bc3 Bg4 (11...dc4!? 12.Bc4 Nb6=+) 12.h3 Bh5 13.Qb3 Nf6 (13...dc4 14.Qc4 Nb6 15.Qb3=) 14.Bf6+= Qf6 (14...gf6 15.Rac1+=) 15.cd5 Bf3 (15...Rad8!? 16.de6 Qe6 17.Qe6 fe6+/-) 16.Bf3+/- Qe5 17.g3 Qf5 18.Bg2 g5? (18...Rab8 19.Rac1+/-) 19.Qc4 (19.de6!? fe6 20.Bb7 Rad8+-) 19...e5 (19...Rab8 20.Rac1+/-) 20.e4 Qg6 21.a4 h5 22.Qe2 f5 (22...Kg7 23.a5+-) 23.d3 (better 23.ef5!? Qf5 24.Qh5 Kg7+-) 23...f4 24.gf4 (24.Bf3 h4 25.gh4 gh4 26.Kh2 Qf6+-) 24...gf4? (24...Rf4 25.Qe3+=) 25.f3 (better 25.Kh2!?+-) 25...Kh8+= 26.Kh2 Qg3 27.Kh1 Rg8 28.Rg1 Rg7 29.Qe1 Qg6 30.Qf2 (30.Ra2 Kh7+=) 30...Rag8+= 31.h4 (31.a5!?+=) 31...Qf6 32.Bh3 Be7 (32...Rg3!? 33.Rg3 Rg3=+) 33.Rg7 Rg7 34.Rg1 Qh4 35.Qh4 Bh4 36.Rg7 Kg7 37.Bf5 Bf2 38.Kh2 h4 39.Kh3 Kf6 40.Bg4 Bg3 41.Bf5 b6 42.Bg4 Be1 43.Bf5 Ke7 44.Bg4 Kd6 45.Bf5 Kc7 46.Bg4 Kb7 47.Bd7 a6?? (47...Kc7 48.Bg4=) 48.ba6?? (better 48.Bc6 Kb8 49.ba6+-) 48...Ka6= 49.Bb5 Ka5?? (49...Kb7 50.d6=) 50.Kg4 (50.d6 c4 51.d7 c3+-) 50...Bg3?? (50...c4 51.d4 ed4 52.Bc4 Ka4 53.d6+/-) 51.Kh3 (51.d6!? Be1 52.d7 Kb4+-) 51...Kb4?? (51...Be1 52.d6 c4 53.d7+-) 52.Kg4 Kc3?? (52...Ka5 53.d6 h3 54.Kh3+-) 53.Kh3 (better 53.d6!? c4+-) 53...Kd4?? (53...Kb4 54.d6+-) 54.Kg4 (better 54.d6 Bf2+-) 54...Ke3?? (54...Kc3 55.d6 Kd4 56.d7+-) 55.Kh3 (better 55.d6 Kf2 56.Kh3 Kf3+-) 55...Kf3?? (55...Kd4 56.d6+-) 56.Bc4 (better 56.d6 Bf2 57.d7+-) 56...Ke3?? (better 56...Be1=) 57.Kg4 (better 57.d6 Be1 58.d7+-) 57…f3-+ (57...f3 58.a5 f2-+) 0-1. GM_HUSARZ (1915) - zezinches (1760), Rated Blitz tournament EWhSOZdY, lichess.org, 2015.

8.Bc4 Nb6 9.Be2 =.

8.Bc4 Ne5 9.Ne5 Be5 10.d4 =.

8.d3 c6 (8...0-0 9.Be2=) 9.Nbd2 (9.Be2 b6=) 9...h6 (9...Qc7 10.e4 de4 11.de4 Ne4 12.g4–/+) 10.Qc2 0-0 11.h3 (11.Be2 Qc7=) 11...a5 12.g4 White fights for the Initiative 12...Bg6 13.Qc3 (13.g5!? hg5 14.Ng5 ab4 15.ab4 Ra1 16.Ba1=) 13...b6=+ 14.h4 (14.Nb3 bc5 15.bc5 a4–/+) 14...ab4 (14...bc5 15.bc5 Nc5 16.Ne5–/+) 15.ab4=+ bc5 16.bc5 Nc5 (16...Ra1 17.Ba1 Nc5 18.g5=) 17.g5= Ra1 18.Ba1 hg5 19.hg5 Ne8 20.Ne5 Qd6 21.Qd4 Bg5 22.Qg4 Qe7 23.f4 Qa7 24.Bd4 Bf5 (24...Bd3 25.Nd3 (25.fg5 Be4 26.Ne4 Qa5 27.Nc3 f6+–; < 25.Bd3 Nd3 26.Nd3 c5 27.Nc5 Qa3+–) 25...Nd3 26.Bd3+–) 25.Qh5 (25.Qg5 f6 26.Nc6 Qc7 (26...fg5? 27.Na7 Nd3 28.Bd3 Bd3 29.Bc5+–) 27.Bf6 Rf6=) 25...Bh6 26.Rg1 (26.Nb3 Nf6 27.Bc5 Nh5 28.Ba7 Ng3+/–) 26...f6 (26...Bg6 27.Ng6 fg6 28.Qg6+– (< 28.Rg6 Bf4 29.ef4 Nd3 30.Bd3 Qd4+/–)) 27.Nd7 Qd7 (27...Nd7 28.Ba7) 28.Bc5 Bf4 29.ef4 Nd6 30.Rh1 Rd8 31.Be2 Nf7 ½–½. Rosikiewicz,Wieslaw(+) – Szczepaniak,Alicja, corr 1. AMM Poland, 1991.

8.d4 c6 9.Bd3 Bd3 10.Qd3 Ne4 11.Nbd2 Ng5 12.0-0 Nf3 13.Nf3 Bf6 14.e4 0-0 15.e5 Bg5 16.g3 (16.b5 Rc8+=) 16...f6 17.h4 Bh6 18.Rae1 f5 19.Bc1 Bc1 20.Rc1 a6 21.Ng5 Qe7 22.Qf3 h6 23.Nh3 Kh7 24.Nf4 Rg8 25.Kg2 Rae8 26.Qh5 g5 27.hg5 Qg5 28.Qg5 (better is 28.Rh1!? Kg7 29.Qf3+–) 28...hg5+= (worse is 28...Rg5 29.Rh1+–) 29.Rh1 Kg7 30.Nd3 Kg6 31.a4 Rh8 32.Rhg1 Rh7 33.Rb1 White plans b5 33...Reh8 34.b5 g4 (better is 34...ab5!? 35.ab5 Rh3=) 35.bc6 bc6 36.Rb7 Rb8?? (36...f4 37.gf4 Kf5+/–) 37.Rc7 (37.Nf4 Kg7 38.Rd7 Kg8+–) 37...Rb3 (37...f4 38.Nf4 Kf5 39.Rc6 Rb4+–) 38.Nf4 Kg5 (38...Kf7 39.Rd7 Kg8 40.Rd6+–) 39.Ne6 (better is 39.Rd7 Rh3+–) 39...Kg6 40.Nf4 Kg5 (40...Kf7 41.Rd7 Kg8+–) 41.Ne6 Kh6?? (41...Kg6 42.Rc6 Nb8+–) 42.Rh1+– Kg6 43.Rh7 (43.Nf4 Kg5 44.Rh7 Rg3 45.fg3 Ne5 46.de5 d4 47.Rcg7) 43...Kh7 44.Rd7 Kg6 45.Nf4 Kh6 46.Rd6 Kg7 47.Rg6 Kf7 48.Rc6 Rb4 49.Ra6 Rd4 50.c6 Rc4 51.Ra7 Kg8 52.c7 Kf8 53.Ne6 (53.e6 Rc1 54.Nh5 Rc7 55.Rc7 Ke8 56.Rd7 Kf8 57.Nf6 f4 58.Rf7) 53...Ke8 (53...Ke8 54.Ng7 Kd7 55.e6 Kd6+–). anonymouuus – alzarath, kurnik, 2013.

8.d4 Ne4 9.Nbd2 Ndf6 10.Be2 0-0 11.0-0 c6 12.Ne4 Ne4 13.Nd2 Bg6 14.a4 White plans b5 14...f5 15.b5 (15.Nf3 Bh5+=) 15...f4 (15...Qc7 16.Ne4 fe4 17.Rc1=) 16.Ne4+= Be4 17.f3 Bg6 18.Qc1 fe3 19.Qe3 Qd7 20.Bd3 Bd3 21.Qd3 Rf4 22.Rae1 Raf8 23.Re2 Bg5 (23...b6 24.cb6 ab6 25.Rc1+=) 24.Rfe1 (better 24.Bc1!?+–) 24...R4f6+= 25.Re5 Rg6 26.bc6 bc6 27.a5 (27.Bc1 Bh4 28.Rf1 Qc7+=) 27...Rb8 (27...Bf4 28.Rh5=) 28.Ba3 (28.Bc1 Bh4 29.Rd1 Bd8=) 28...Rb5 29.a6 Kf7 (29...Bf4 30.R5e2=+) 30.Kf2 (better 30.Bc1!? Bh4 31.R1e2=) 30...Qc8=+ 31.g3 (31.Bc1 Bc1 (31...Qa6? 32.Rg5 Rb2 33.Ke3 Qd3 34.Kd3 Rg5 35.Bg5 Rg2 36.Bf4+–) 32.Rc1 Qa6=+) 31...Qa6–/+ 32.f4?? (32.R5e2 Qb7 33.Qc3 Kg8–/+) 32...Bd8 (better 32...Rb2! 33.Bb2 Qd3 34.fg5 Rg5 35.Re6 Qf5 36.Kg2 Qe6 37.Re6 Ke6–+) 33.f5 (33.Bb4 Qa2 34.R5e2 Qc4 35.Qc4 dc4=+) 33...ef5 (33...Rb2! 34.Bb2 Qd3 35.fg6 Qg6–+) 34.Rf5 Rf6 35.Rf6 Bf6 (35...Kf6 36.Qf3 Kg6 37.Qg4 Bg5 38.h4 Rb2 39.Bb2 Qf1 40.Kf1 h6 41.h5 Kh7 42.Qf5 g6 43.Qg6 Kh8 44.Re8) 36.Bc1?? (better 36.Qf5 h6 37.Qe6 Kg6 38.g4=) 36...Rb2!!–+ 37.Ke3 (37.Bb2 Qb5 Double attack (37...Qd3 Discovered attack; 37...Qb5 Decoy)) 37...Bg5 38.Kf3 Qd3 (38...Qd3 39.Kg4 h5 40.Kg5 Qg6 41.Kf4 Qf6 42.Ke3 Qf2 43.Kd3 Rb3) 0–1. amirgloo (1920) – bogart123 (1905), lichess.org, 2020.

7.Qb3 a5 8.Nc3 =+.

7.Qb3 c6 8.h3 Qc7 (8...a5 9.cd5 ed5 10.b5=+) 9.Be2 e5 (9...dc4 10.Qc4 a5 11.b5=) 10.0-0 (10.cd5 Nd5 11.Nc3 N5b6=) 10...h6 (10...0-0 11.cd5 Nd5 12.Nc3=) 11.d4 (11.cd5 Nd5 12.Nc3 Qd6=) 11...e4 12.Ne5 Be6 (12...0-0 13.Nd2=) 13.Nd2 (13.cd5 Bd5 14.Qc2 Bd6=) 13...Nb6 (13...0-0 14.Qc2=) 14.c5 (14.Qc2 0-0+=) 14...Nbd7= 15.f4 (15.Nd7 Bd7 16.a4 g5=) 15...g6 (15...ef3!? 16.Ndf3 Ne5 17.Ne5 Ne4=) 16.a4 h5 (16...b6 17.cb6 Qb6 18.b5+=) 17.b5 Ne5 (17...Rc8 18.Rfb1+=) 18.fe5 (< 18.de5 Nd7=+) 18...Ng8 (18...Nd7 19.a5+=) 19.a5+/– Nh6 20.b6 Qb8 21.a6 0-0 22.Ra3 (better is 22.Rfc1!?+/–) 22...ab6= 23.Qb6 ba6 24.Ra6 (24.Rb3 Qb6 25.cb6 Rfb8=+) 24...Bg5=+ 25.Ra8 Qa8 (25...Be3 26.Kh2 Qa8–/+) 26.Qb3 (better is 26.Ra1!? Be3 27.Kh1–/+) 26...Nf5–+ 27.Rf4? (better is 27.Kh2 Rb8 28.Ra1–+) 27...Rb8 28.Qc3 Ne3! (< 28...Bf4 29.ef4 e3 30.g4 ed2 31.gf5–+) 29.Rf2 (29.Qe3 Rb2) 29...Nf5 30.Nf1 (30.Bd1 e3 31.Rf5 Bf5–+ (< 31...gf5 32.Nb3–+)) 30...e3 31.Rf3 (31.Rf5 gf5 32.Bc1–+) 31...Qa2 32.Ng3 (32.g4 Nh4 33.Re3 Rb2 34.Ng3 hg4 35.Qa3 Rb1 36.Kh2–+) 32...Rb2 33.Bf1 (33.Rf5 Bf5 34.e6 fe6 35.Qe1–+) 33...Nh4 34.Nh5 Rg2 (35.Kh1 Rh2 36.Kg1 Nf3#) 0–1. Bohus,Aladar – Kerti,Ludovit, Gemersky pohar–B, 1975.

7.Nc3 dc4 8.Bc4 0-0 (8...a5 9.b5 (9.ba5 Ra5 10.0-0 0-0 11.d4 Nb6 12.Bd3 Bd3+=; 9.Qb3 0-0 10.0-0 Nb6 11.Be2 Bd3 12.Bd3 Qd3+=) 9...0-0 10.0-0 Bd6 11.d4 Re8 12.Bd3 Bd3=; 8...Nb6 9.Be2 (9.Bb5 c6 10.Be2 0-0 11.0-0 a5 12.b5 cb5=; 9.d3 a5 10.b5 0-0 11.Nd4 Bg4 12.f3 e5+=) 9...0-0 10.d3 c5 11.bc5 Bc5 12.Nh4 Rc8=) 9.Nh4 (9.0-0 c5 (9...Nb6 10.Be2 a5= 11.b5 Bd3 12.Ne5 Be2=) 10.bc5 Nc5 11.d4 Nce4 12.Ne4 Be4=; 9.d4 Nb6 10.Bd3 Bd3 11.Qd3 c6 12.0-0 Qd7=; 9.d3 Nb6 10.Nd4 Bg6 11.Qf3 c5 12.bc5 Bc5–/+) 9...Be4 (9...Bg4!? 10.Be2 Be2 11.Qe2 c5+= (11...a5 12.b5 Nc5+=) 12.bc5 Nc5+=; 9...Ne5 10.Nf5 Nc4 11.Ne7 Qe7 12.Qb3 Nb2+=) 10.Ne4= (10.d3 Nb6 11.Ne4 Ne4 12.Nf3 a5=) 10...Ne4 11.Nf3 c5 (11...Nb6 12.Be2 Nd6=) 12.Qc2 Nef6 13.b5 Nb6 14.Ng5 Nc4 (14...Re8 15.Bd3 h6 16.Nf3=) 15.Qc4 (15.Bf6!? g6 16.Be7 Qe7 17.Nh7 Ne3 18.de3 Kh7 19.h4+=) 15...Nd5 16.Nf3 b6 17.0-0 Bf6 18.Bf6 Nf6 19.a4 ½–½. combijack (1745) – der_22 (1765), gameknot.com, 2010.

7.Nc3 c5 8.bc5= dc4 9.c6 (9.Bc4 Bc5 10.Qb3 Be7=) 9...bc6 10.Bc4 Nb6 (10...Rb8 11.Ra2=) 11.Be2 Nbd5 (11...Bd3!?=) 12.Nd4 Bg6 (12...Nc3!? 13.Bc3 Qd7+=) 13.Nc6+– Qb6 14.Ne7 Ne7 (14...Qb2 15.Ned5 Nd5 16.Bb5 Ke7 17.Nd5 ed5 18.Bc6+=) 15.Na4 Qc6 (15...Qa5 16.Rc1+–) 16.Bf3 (16.Rc1 A) 16...Qg2?? 17.Bf3 Bh5 18.Bg2 Bd1 19.Kd1+– (worse 19.Ba8 Ba4 20.Rc7 a6+–); B) 16...Qd6+–) 16...Ned5 (16...Be4 17.Rc1 Bf3 18.gf3+–) 17.Bf6+– gf6 18.0-0?? (18.Rc1 Qd6+–) 18...0-0?? (better 18...Bc2 19.Bd5 ed5–/+) 19.Nc3!+– Rad8 (19...Nc3 20.Bc6 Pinning (20.Bc6 Deflection)) 20.Rc1 (20.Nd5 ed5 21.d4 Qe6+–) 20...Qd7 (20...Nc3!? 21.Rc3 Qd6+–) 21.Nd5 ed5 22.d4 Rfe8 23.Rc5 Be4 24.Be2 Bg6? (better 24...Rb8+–) 25.Bb5 Qe6 26.Be8 Re8 27.Qf3 Be4 28.Qf4 Bd3 29.Rfc1 Bc4 30.h4 (30.Rb1 a6+–) 30...Rb8 (30...f5+–) 31.Qb8 (31.Qb8 Kg7 32.Rc8 Qc8 33.Qc8+–) 1–0. combijack (1855) – leonidas63 (1895), gameknot.com, 2017.

7.Nc3 h6 8.Be2 (8.cd5 ed5 9.Qb3 c6=) 8...0-0 (8...dc4 9.Bc4 Nb6 10.Be2=) 9.0-0 (9.cd5 ed5 10.0-0 c5=) 9...c6 (9...dc4 10.Bc4 a5 11.b5=) 10.d4 (10.cd5 cd5 11.Qb3 Bg4+=) 10...Bh7 11.cd5 ed5 12.Rc1 Re8 13.b5 Rc8 14.bc6 Rc6 (14...bc6 15.Ne5=) 15.Bb5 (15.Ne5 Re6+/-) 15...Rc8 (15...Rb6!?=) 16.Qa4+= a6 17.Bd7 Qd7 18.Qd7 Nd7 19.Nd5 Rc1 (19...Bd6 20.Ne5 Ne5 21.de5 Rc1 22.Rc1+= (worse 22.ed6 Rf1 23.Kf1 Rd8-/+)) 20.Rc1 (20.Ne7 Re7 21.Rc1 Nb6+/-) 20...Bd6 21.h3 (21.Nd2!?+/-) 21...Be4= 22.Nb4 Kh7 (22...a5!? 23.Na2 Nb6=) 23.Nd2+/- Bg6 24.Rc3 (24.Nc4 Bf8+/-) 24...Nf6+= 25.Nd3 (25.Nc4 Bb4 26.ab4 Nd5+=) 25...Ne4 (25...Nd5!? 26.Rb3 b5=) 26.Ne4+= Be4 (26...Re4 27.Kf1+/-) 27.Nc5 (27.f3 Bd3 28.Rd3 Rc8+/-) 27...Bc5 (27...Bd5 28.f3 f5 29.Kf2+=) 28.Rc5 Re7 (28...Re6+=) 29.d5 (better 29.f3!? b6 30.Rc1+/-) 29...Rd7= 30.Be5 Bd5 31.Rc7 Bc6 32.Rd7 Bd7 33.Bd6 Kg6 34.e4 Kf6 35.e5 Ke6 36.f4 f6 37.g3 g5 38.Kf2 gf4 39.gf4 fe5 40.fe5 Bc6 41.Kg3 h5 42.Kh4 Bf3 43.Kg5 Bd1 44.h4 b5 0-1. GM_HUSARZ (1925) - runawayscared (1985), Rated Bullet tournament oRNPrfwP, lichess.org, 2015.

7.d3 dc4 8.e4 Bg4 9.dc4 Ne4 10.Bg7 =+.

7.d3 c6 8.Nbd2 0-0 9.Be2 a5 10.Qb3 Ne8 11.e4 dc4 12.Nc4 a4 13.Qc3 White prepares the advance e5 13...Bf6 14.e5 Bg5?? (14...Be7 15.0-0=) 15.Bc1?? (better is 15.Ng5 Qg5 16.g4 Bg4 17.Rg1+–) 15...Bc1 16.Rc1 Nb6 17.Ne3 Bg6 18.0-0 Nc7 19.Rfd1 Nbd5 20.Nd5 Nd5 21.Qc4 Bh5 22.Rc2 Qc7 23.g4 Bg6 24.Rcd2 f6 25.Qd4 Rad8 26.ef6 Nf6 27.Qc4 Nd5 28.Ng5?? (28.Nh4 Qf7 29.Bf3 Qf6 30.Ng6 Qg6 (30...Qf3?! 31.Nf8 Nf4 32.Qe4 Qg4 33.Kh1 Rf8 34.Rg1=) 31.Bd5 ed5–/+) 28...Qe7 (better is 28...Rf2! 29.Nf3 Rf8–+) 29.Nh3 Qd6 30.Bf1 Rd7 31.Re1 Rf6 32.Rde2 (32.Qc5 Qb8+=) 32...Bf7 (better is 32...b5!? 33.Qc5 Bd3–/+) 33.Re5 h6 34.f4 White prepares g5 34...b5 35.Qe4 Nc3 (better is 35...Bg6!? 36.Qf3 c5–/+) 36.Qe3= Rg6 37.g5 Nd5 38.Qf3 Nc3 39.Qe3 ½–½. Lien,Gaute – Dyrnes,Jussi, ASKOs Pinseturnering–B, 2002.

7.d4 dc4 8.Bc4 0-0 (8...a5 9.ba5 Ra5 10.Nc3=) 9.0-0 (9.Nc3 c6=) 9...c6 Secures b5+d5 (9...a5 10.ba5 Ra5 11.Bd3+=) 10.Nc3 Qc7 11.Qe2 (11.Be2 Rfc8=) 11...Ne4 (11...Bg4 12.h3 Bf3 13.Qf3=) 12.Rfc1 Rac8 13.Bb3 a6 Covers b5 (13...h6 14.Kh1=) 14.Na4 Bg4 15.Bc2 Ng5 16.Bd1 (16.Nc5!? should be considered 16...Nb6 17.Ne4 Bf3 18.gf3 Ne4 19.fe4=) 16...Bd6 17.Qf1 Nf3 18.gf3 Bh2 19.Kh1 (19.Kg2 Bf5 20.f4 Bf4 21.ef4 Nf6–/+) 19...Bf5 20.f4 Bf4 21.ef4 Qf4 22.Qg2 Be4 23.f3 Bd5 24.Nc3 (24.Nc5 Nb6 25.Nb7 Nc4=) 24...f5 (24...Qh4 25.Qh2 Qf6 26.Ne4+=) 25.Nd5 ed5 26.Qh2 Qe3 27.Rc3 White threatens to win material: Rc3xe3 27...Qe1 28.Qg1 Qh4 29.Qh2 Qe1 30.Qg1 Qh4 Twofold repetition 31.Qh2 Qe1 (31...Qd4 32.Rc6 Discovered attack: c3, b2–d4 32...Qb2 33.Qb2 bc6 34.Ba4+/–) ½–½. Makhnev,Vladimir (2215) – Kutepov,Alexander (2120), Vladimir op, 2002.

7.d4 h6 8.c5 (8.cd5 ed5 9.Bd3 Bd3 10.Qd3 0-0=) 8...c6 (8...a5 9.b5=) 9.Bd3 0-0 10.Bf5 ef5 11.0-0 (11.Qd3 Ne4=) 11...Re8 12.a4 (12.Qd3 Ne4+=) 12...Qc7 13.Nbd2 Ne4 14.Rc1 Bf6 15.Re1 g6 (15...a5 16.Qb3=) 16.Nf1 (16.Qc2 Re6=) 16...Kg7 (16...a5 17.b5=) 17.g3 (17.Rb1 b6=) 17...h5 (17...b6 18.Re2=+) 18.h4 (18.Qc2 Re6=) 18...Rh8 (18...a5 19.b5=+) 19.Kg2 (better is 19.Rb1=) 19...g5 (better is 19...a5 20.b5 Ndc5 21.bc6 bc6=+ (< 21...Qc6 22.Ba1+/–)) 20.hg5+/– Bg5 21.N1d2 (21.Ng5 Ng5 22.Qd3 Kf6+=) 21...Ndf6 (better is 21...Bf6+=) 22.Rh1?? (better is 22.Ne4 Ne4 23.Ng5 Ng5 24.Rh1+/–) 22...Be3!–+ 23.Ne4 Ne4 24.Nh4 Bf2 25.Nf5=+ Kg6 26.Qf3+= Rag8 27.Rh3?? f6?? 28.Rf1 Bg3+= 29.Rg3 Ng3 30.Ng3 Kf7?? 31.Qf6+– (31...Ke8 32.Re1 Kd7 33.Re7 Kc8 34.Rc7 Kc7 35.Qe5 Kc8 36.Bc1+–) 1–0. Strebel – Hartmann, Wallertheim, 1994.

7.Be2 a5 8.ba5 c6 (8...Ra5 9.cd5 Nd5 10.Nc3=) 9.0-0 (9.Nd4 Be4=) 9...Qa5 10.d4 Ne4 11.Nbd2 g5 (11...Nc3!? 12.Bc3 Qc3=+) 12.Ne4+= Be4 13.Qb3 (13.Nd2 Bf5+=) 13...Qc7 (13...dc4 A) 14.Qb7? Rb8 15.Bc3 Qc3-+ (15...Rb7?! 16.Ba5 g4 17.Nd2=); B) 14.Qc4 g4 15.Ne1=) 14.Ne5 (14.Nd2 Bf5+=) 14...Bd6 15.f3 (15.h3 dc4 16.Nc4 Bh2 17.Kh1 Bd5+=) 15...Bf5 (15...Ne5? 16.de5 Bc5 17.fe4 dc4 18.Bc4+-; 15...Be5 16.de5 Nc5 17.Qd1+=) 16.f4 gf4 17.ef4 (17.Nd7 Qd7 18.c5 Bc7=) 17...f6 (17...dc4 18.Bc4 Nb6 19.Rae1=+) 18.Bh5 (18.cd5 cd5 19.Rac1 Qb8 20.Bh5 Bg6+/-) 18...Ke7= 19.Nd7 (19.cd5 cd5 20.Nf7 Rhc8= (20...Bf4?? 21.Rf4 Bg6 22.Bg6 hg6 23.Nh8 Rh8 24.Qb4 Qd6 25.Bc3+-)) 19...Kd7 20.cd5 Bf4?? (20...ed5 21.Rae1 Kd8= (21...Bf4?? 22.Rf4 Qf4 23.Qb7 Qc7 24.Re7 Ke7 25.Qc7 Bd7 26.Bc3+-)) 21.de6?? (better 21.Rf4 Qf4 22.Qb7 Kd6 23.Qc6 Ke7 24.Qb7 Kd6 25.a4 Qe3 26.Kh1+-) 21...Be6+= 22.Qf3 (better 22.d5 cd5 23.Qb5 Ke7 24.Qb4 Bd6 25.Bf6 Kd7 26.Qb5 Qc6 27.Qc6 bc6 28.Bh8 Rh8 29.Bf7+/-) 22...Bh2-/+ 23.Kh1 Rhg8 24.Rae1 Bd5?? (better 24...Qg3-/+) 25.Bg4+- f5 (25...Be6 26.Be6 Kd6 27.Bg8 Qg7 28.Qf6 Qf6 29.Rf6 Kc7 30.Re7 Kb6 31.Bh7 Bb8+-) 26.Qf5 (26.Qf5 Kd8 27.Qf6 Qe7 28.Qe7) 1-0. cipiripi (2250) - Goran_Krastev (2320), Rated Blitz game, lichess.org, 2015.

7.Be2 dc4 8.Bc4 0-0 9.0-0+=.

7.Be2 Rc8 8.cd5 ed5 9.Nc3 c5 10.Qb3 c4 11.Qa4 a6 12.Nd4 Bg6 13.0-0 0-0 14.f4 Be4 15.Qd1 b5 16.g4 Bd3 (16...Ne8!?=) 17.g5 Ne4 (17...Be2 18.Qe2 Ne4 19.Nd5+=) 18.Bd3 cd3 19.Ne4 (19.Nd5!? Bg5 20.Nf5+/–) 19...de4= 20.Nf5 f6 21.Qb3 Rf7 22.Qe6 Rc2 23.Bc3 Bf8 (better is 23...Nf8!? 24.Qe4 fg5+/–) 24.Qe4+– Nb6 25.Nd4 Re7? (25...Rc3 26.dc3 fg5+–) 26.Qd3 Rc3 27.Qc3 fg5 (27...Rf7 28.Qc6+–) 28.Nc6 (worse is 28.fg5 Re4+–) 28...Nd5 (28...Qd7 29.Ne7 Be7 30.Qb3 Kh8+–) 29.Qb3 Qd7 30.Ne7 Be7 31.e4 Qa7 (31...gf4 32.Rf4 Bf6 33.Rc1+–) 32.Kg2 Kh8 (32...Qd4 33.Qd5 Qd5 34.ed5+–) 33.Qd5 gf4 (33...g4 34.Rac1 Bf8 35.Rc8+–) 34.Rac1 Qf2 35.Rf2 Bb4 (35...f3 36.Rf3 h6 37.Rc8 Bd8 38.Rf8 Kh7 39.Qf5 g6 40.Qf7) 36.Rc8 1–0. Janek – Henry, internet, 2016.

8.Nc3 dc4 9.Bc4 Nb6 10.Be2 +=.

8.Nc3 dc4 9.Bc4 c5 10.0-0 (10.Nh4 Bg4=) 10...a6 (10...Nb6 11.Be2+=) 11.bc5 (11.Nh4!?=) 11...Nc5–/+ (worse is 11...Bc5 12.a4= (worse is 12.Qb7 Rb8 13.Qa6 Rb2–+)) 12.Qa2 b5 13.Be2 Bd3 14.Ne5 (14.Bd3 Nd3 15.Qb1 Rc8–/+) 14...Be2 15.Ne2 Qd2 16.Nd4 Na4 17.Bc1 (17.Ndc6!? Bc5 18.Bd4 Qa2 19.Ra2 Bd4 20.Nd4–/+) 17...Qa2–+ 18.Ra2 Bd6 19.Nec6 Rfc8 20.Bd2? (better is 20.Rd2–+) 20...e5 0–1. pschalkw – bishop_thingy, ChessWorld.net, 2003.

8.Nc3 c6 9.Be2 dc4 10.Qc4 e5 11.0-0 =+.

8.Nc3 c6 9.Be2 Ne4 10.Ne4 Be4 11.d3 Bg6 12.0-0 Bf6 13.d4 Be4 14.Qc3 Nb6 15.Qb3 (15.Nd2!? Na4 16.Qb3 Nb2 17.Qb2=) 15...Bf3=+ 16.Bf3 (16.gf3 dc4 17.Bc4 Nc4 18.Qc4 Be7=+) 16...Nc4–/+ 17.Bc3 Nd6 18.Rac1 Bg5 19.Rfe1 Qd7 20.Bb2 Nc4 21.Bc3 Qd6 22.Re2 e5 (22...Bd8 23.b5 Bc7 24.g3–/+) 23.Ra2 e4 24.Be2 b5 25.Ba1 (25.a4!?–/+) 25...f5–+ 26.Rc3 f4 27.Bf1? Qf6 28.Rac2?? fe3 29.Bc4 bc4 30.Qb2 ef2 31.Rf2 Qd4 32.Qe2 Qf2 33.Qf2 Rf2 34.Kf2 Bf6 35.Rc1 e3 36.Ke3 Bg5 37.Kd4 Bc1 38.a4 Re8 39.Kc5 Re6 40.b5 Be3 41.Kb4 c5 42.Ka5 (42.Ka3–+) 0–1. Rajewski,C – Wenzel,A, Bad Woerishofen, 1992.

8.Rc1 c6 9.cd5= Nd5 10.Be2 (10.Nd5 ed5 11.Be2 Re8=) 10...Rc8 (10...Nc3 11.Rc3 Bd6 12.0-0=) 11.0-0= Nc3 12.Bc3 Bf6 13.h3 (13.Qa4 a6=) 13...Bc3 (13...Nb6 14.Bf6 Qf6 15.d4=) 14.dc3 Nb6 (14...Qe7 15.Qd4=) 15.Qd4 Qd4 (15...Qc7 16.Rfd1=) 16.cd4+= h6 17.g4 Bh7 18.Rc5 Rfd8 19.Rfc1 Rd5 20.h4 Rcd8 (20...Nd7 21.R5c3+=) 21.b5 cb5 22.Rc7 R8d7 23.Rd7 Nd7 24.Rc8 Nf8 25.Rb8 a6 26.Rb7 Rd6 27.Rc7 f6 28.h5 Be4 29.Nd2 Rc6 30.Ra7 Bd5 31.Bf3 Bf3 32.Nf3 Rd6 33.Nh4 Rb6 (33...Nd7 34.Ng6+/–) 34.Ng6 (34.Kg2 Rc6+/–) 34...Ng6 35.hg6 Kf8 36.Ra8 (36.Rf7 Kg8+/–) 36...Ke7+= 37.Rg8 (37.f4 f5 38.g5 hg5 39.fg5 Rc6+=) 37...f5 (37...a5 38.Rg7 Kf8 39.Rf7 Kg8 40.g5 (40.Rf6?? b4 41.ab4 ab4–+) 40...hg5 41.d5 ed5 42.Rd7–+) 38.gf5 ef5 39.Rg7 Kf6 40.Rg8 (better is 40.Ra7!? Kg6 41.Ra8=) 40...a5=+ ½–½. Haertig,Manfred – Heinisch,Uwe, ESC, 2000.

8.cd5 ed5 9.Be2 c6 10.0-0 h6 11.d4 Bd6 12.b5 Re8 13.a4 Ne4 14.Ne4 de4 (worse is 14...Re4 15.Bd3+=) 15.Nd2 Qg5 16.Kh1 Re6 17.g3 Bh3 18.Rg1 Nf6 19.Bf1 (better is 19.bc6!? bc6 20.Ba3+=) 19...Ng4–+ 20.Qe2 (better is 20.Qe1 Qf5 21.f3 ef3 22.Bh3–/+) 20...Qf5 21.Bh3 Nf2 22.Qf2 Qf2 23.Rg2 Qf6 (23...Qe3?! 24.Be6 fe6 25.Nc4–/+) 24.Nc4 (24.Rf1 Qe7 25.Rgf2 Rf8–+) 24...Ree8 25.d5 Qe7 26.dc6 bc6 27.bc6 Bc7 28.Rc2 White prepares a5 28...Red8 29.a5 Rd3 30.Bd4 Qb4 31.Bf5? (31.Bf1 Rd8–+) 31...Rd8 (better is 31...Qb3 32.Rcc1 Rd4 33.ed4 Qf3 34.Kg1 Qf5 35.Ne3–+) 32.Bd7 Ra8 33.a6?? (33.Bf5 Qb3 34.Rcc1 Rd4 35.ed4 Qf3 36.Kg1 Qf5 37.Ne3–+) 33...Qb5 34.Kg2 Qd5 35.Rb1 Rd4 36.ed4 e3 37.Kh3 Qh5 (better is 37...Qd4!? 38.Re1 Qd3 39.Ne3 Rb8–/+) 38.Kg2= Qd5 39.Kh3 Qd4 40.Re1 Qd3 41.Ree2 Rb8 42.Ne3 Qa6 (better is 42...Rb5 43.Bg4 h5–/+) 43.Nd5= ½–½. Gunawan,Ronny (2395) – Panggabean,Hasian (2190), Jakarta INA, Indonesia Open, 2013.

8.cd5 ed5 9.Be2 c6 10.Nd4 Bg6 11.0-0 Ne4 (11...c5 12.bc5 Nc5 13.f4=) 12.f3 (12.f4 h6+=) 12...Nd6= 13.f4 h6 14.b5 (14.f5 Bh7=) 14...c5 15.Nf3 Nb6 16.Qc1 Ndc4 Black intends d4 17.Ne5 Ne5 18.fe5 d4 19.Nd1 Qd5 20.a4 (20.Bf3!? Qe5 21.Bb7=+) 20...Qe5–/+ 21.Bf3 (21.Nf2 Rae8–/+) 21...Bd6 (21...Bd3 22.Rf2–/+) 22.g3 Be4 23.ed4 (23.Be4 Qe4 24.a5 Nd7–/+) 23...cd4 Opening the c–file gets Black a lot of play. 24.Re1 (24.Be4!? Qe4 25.Nf2–/+) 24...Rac8 (24...Bf3?! 25.Re5 Be5 26.Qc2=+) 25.Re4 Rc1 26.Re5 (26.Rc1 Qf5 27.Kg2 Na4 28.Bd4 Qb5–+) 26...Ra1 27.Ba1 Be5 28.a5 (28.Nf2 Rc8 29.Nd3 Bf6–+) 28...Nc4 29.Nf2 Na5 30.Ng4 f6 31.Bd5 (31.Bb2 a6–+) 31...Kh7 (31...Kh8 32.Bb2–+) 32.Bb2 h5 (32...Rc8!? 33.Ba3–+) 33.Ne5 fe5 34.Ba3 Rd8 35.Be4 g6 36.d3 (36.Bb4 b6–+) 36...Kg7 37.Bb4 b6 38.Be7 (38.h3 Rc8 39.Bd6 Kf6–+) 38...Rc8 39.Ba3 (39.Bd6 Kf6 40.Kf1 Nb3–+) 39...Nb3 (39...Kf6 40.Kh1–+) 40.Bd6 (40.Bc6 Kf6–+) 40...Kf6 41.Bc6 Nc5 (41...Ke6 42.Ba3 Nc5 43.Kf2 Nd3 44.Ke2–+) 42.Bc5 bc5 43.Bd5 g5 (43...Rd8 44.Bc4–+) 44.Kf2 h4 (44...Rb8 45.Bc4–+) 45.Kf3 hg3 46.hg3 Rb8 47.Bc4 Rh8 48.Bd5 Rh2 49.Bb7 Rb2 50.Bc6 Rb4 51.Ke2 (51.Kf2 Ke6–+) 51...c4 52.dc4 Rc4 53.Be4 Rc3 54.Kf2 Re3 55.Bc2 e4 56.Bd1 Ke5 57.Bg4 (57.g4 Rd3 58.Ba4 Kf4–+) 57...Rb3 58.Bh5 Rb5 59.Ke2 Rb2 (59...Rb2 60.Kd1 d3–+) 0–1. keene2019 (1885) – pi1942 (2010), gameknot.com, 2020.

8.cd5 Nd5 9.Nd5 ed5 =.

8.Be2 Nb6 9.d3 c5 (9...dc4 10.dc4 a5 11.c5 ab4 12.ab4 Qd1 13.Rd1=+ (worse 13.Kd1 Nbd5-/+)) 10.bc5 Bc5 11.cd5 ed5 12.Nb5 a6 13.Nbd4 Bg6 (13...Bd7 14.Nb3 Bd6 15.Bd4=) 14.0-0+= Rc8 15.Qb3 Re8 16.Rfc1 Qd6 (16...Nbd7 17.Nh4+= (worse 17.Qb7 Rb8 18.Qc6 Rb2 19.Rc5 Nc5 20.Qc5 Qb6 21.Qb6 Rb6=+)) 17.a4 Rc7 18.a5 Nbd7 19.h3 (19.Nh4 Rec8+=) 19...Rec8 20.Nh4 Ba7 (20...b5 21.ab6 Bb6 22.Rc7 Bc7 23.g3+=) 21.Rc7+/- Qc7 22.Ng6 hg6 23.Bf3 Bb8 24.g3 (worse 24.Bd5 Nc5 25.Bf7 Qf7 26.Qf7 Kf7=+) 24...Nc5 25.Qd1 Qd8 26.Ne2 Bc7 27.Bc3 Qd6? (27...Qe7 28.Rc1 Rd8 29.Qc2+/-) 28.Kg2?? (better 28.Bb4 Qc6 29.Rc1+-) 28...Bd8 (28...Ncd7 29.Rb1+/-) 29.Bd4 (29.Rc1 Ne6+/-) 29...Be7 (29...Ne6!?+=) 30.Qb1 Qd7 31.Ra2 (31.Nc3!?+/-) 31...Ne6+= 32.Bf6 Bf6 33.d4 Be7 34.Rb2 Rc7 35.Qa2 Rc4 (35...Ng5 36.Bd5 Qh3 37.Kg1+/-) 36.Qb3 (36.Qb3 Rb4 37.Qc3 Rb2 38.Qb2+=) 1-0. Mendonca,Leon Luke (2540) - Nastore,Pavel_Alexandru (2230), Titled Tuesday, 2021.

8.Be2 dc4 9.Bc4 a5 10.b5 +=.

8.Be2 c5 9.b5 (9.cd5 Nd5 10.0-0 Nc3 11.Bc3 Nf6=) 9...Qc7 10.d3 dc4 11.dc4 Rfd8 12.Qb3 Ne4 13.0-0 Bf6 14.Rad1 Nc3 15.Bc3 h6 16.h3 e5 17.Qb2 Re8 18.Nh2 e4 19.Ng4 (19.Rd2 Be5 20.Ng4 Bc3 21.Qc3 a6+=) 19...Bc3 20.Qc3 Rad8 (20...a6 21.f3+=) 21.Rd2 Bg4 22.hg4 Nf6 23.Rfd1 Rd2 24.Qd2 Qe5 25.a4 Re7 26.Qd6 Qd6 27.Rd6 Rd7 28.Rd7 Nd7 29.a5 Kf8 30.f3 ef3 31.gf3 Ke7 32.Kf2 Kd6 33.f4 g5 34.Kf3 Nf8 35.Bd3 Ne6 36.Bf5 Ng7 37.Be4 b6 38.ab6 ab6 39.Bd3 Ne6 40.Bf5 Ng7 41.Be4 Ke7 42.f5 ½–½. Mitrovic,Zivadin (2185) – Zobenica,Ivan (2060), Stari Banovci SER, Vojvodina Ch Div2, 2013.

8.Be2 h6 9.0-0 0-0 10.d4 b6 11.Bd3 Qc7 12.Bf5 ef5 13.cb6 Nb6 (13...ab6 14.Nc3=+) 14.Qc2 Ne4 15.Ne5 Exerts pressure on the backward pawn 15...Bd6 16.Rc1 f6 17.Nf3 f4 (17...Nc4 18.Nbd2 Bh2 19.Kf1 Nb2 20.Qb2–/+) 18.Qc6 (18.ef4 Bf4 19.Re1 a5=+) 18...Qe7 19.Nc3 fe3 20.fe3 Rac8 21.Nd5 Qf7 22.Nf6 Nf6 23.Qd6 Qb3 24.Re1 (24.Rc8 Rc8 25.Re1 Qb2 26.Qe6 Kh8 27.Ne5–/+) 24...Qb2–/+ 25.Qe6 Kh8 26.Ne5 Rfe8 27.Nf7 (27.Qf5!? Kg8 28.Qg6–/+) 27...Kg8 28.Nh6 Kh7 29.Qf5 Kh6 30.g4 Qc2 31.g5 Kh5 32.Qc2 Rc2 33.gf6 gf6 34.Kh1 (34.Rac1 Rc1 35.Rc1 Re3 36.Rc5 Kg4–+) 34...f5–+ 35.Rf1 (35.Rg1 Nc4 (35...Re3?! 36.Raf1=+) 36.Rg7 Ne3–+ (36...Re3?! 37.Rag1 Kh6 38.R7g6 Kh5 39.Rg7=)) 35...Kg6 36.Rg1 (36.Rf3 Nc4 37.Rg1 Kf6–+) 36...Kf6 37.Rg2 (37.Rg3 Nc4 38.Re1 Ra2–+) 37...Rg2 38.Kg2 Re3 39.a4 f4 (39...Re2!? 40.Kf3 Rb2 41.b5–+) 40.b5 Nc4 41.Kf2 (41.Rc1 Nd2 42.a5 f3 43.Kg3 Re2 44.Rc6 Ke7 45.Rc7 Ke6 46.d5 Kd5–+) 41...Nd2 Black prepares the advance f3 42.a5 (42.Re1 Re1 43.Ke1 Nf3 44.Kf2 Nd4–+) 42...Ne4 43.Kf1 f3 44.Re1 Re1 45.Ke1 Kf5 46.b6 Kf4 47.b7 (47.ba7 Ke3 48.Kf1 Nd2 49.Kg1 f2 50.Kg2 f1Q 51.Kg3 Qg1 52.Kh3 Kf4 53.a8Q Qg4) 47...Ke3 Black plans f2 48.b8Q f2 49.Kd1 f1Q 50.Kc2 Qd3 51.Kb2 Qd2 52.Ka3 (52.Kb3 Qc3 53.Ka2 Qa5 54.Kb3 Kd3–+) 52...Qa5 53.Kb2 Qb6 54.Qb6 ab6 55.d5 Kd4 56.Kb3 (56.h4 Kd5 57.h5 Nf6–+) 56...Kd5 57.Kb4 Kc6 58.h3 (58.Kc4–+) 58...b5 59.h4 Ng3 60.Kc3 Kc5 61.Kd3 b4 62.Ke3 b3 63.Kd2 Kd4 64.Kd1 (64.h5 Nh5 65.Kd1 Kd3 66.Kc1 Kc3 67.Kd1 b2 68.Ke2 b1Q 69.Kf3 Qf5 70.Kg2 Qg4 71.Kf2 Kd3 72.Kf1 Ke3 73.Ke1 Qe2) 64...Kd3 65.Kc1 (65.Ke1 Ne4 66.Kf1 b2 67.Kg2 b1Q 68.Kf3 Qg1 69.Kf4 Qg6 70.Ke5 Qf6 71.Kd5 Qd6) 65...Kc3 66.Kb1 (66.Kd1 b2 67.Ke1 b1Q 68.Kf2 Qd3 69.Kg2 Ne4 70.Kg1 Qg3 71.Kf1 Qf2) 66...b2 67.h5 (67.Ka2 Kc2 68.Ka3 b1Q 69.Ka4 Qb6 70.h5 Nh5 71.Ka3 Qb3) 67...Kb3 68.h6 Ne4 69.h7 Nc3 0–1. gambitqueen17 (2355) – grasul2009 (2425), gameknot.com, 2015.

8.Be2 h6 9.0-0 0-0 10.d4 Qc7 11.Nfd2 (11.Nc3 b6=) 11...a5 12.Nc3 (12.ba5 Ra5 13.Bc3 Raa8+=) 12...b6 13.Na4 ab4 14.ab4 Qb7 15.Qb3 bc5 16.Nc5 (worse is 16.bc5 Qb3 17.Nb3 Bc2–/+) 16...Nc5 17.dc5 Ne4 (17...Nd7 18.Bc3=) 18.Ne4 Be4 19.Rfc1 Ra1 20.Ra1 Rb8 21.Ra4 Bc5 The backward pawn on b4 becomes a target 22.Bg7 (22.Be5 Rd8 23.Bg7 Kg7 24.Qc3 d4 25.Qc5=) 22...Qc7 (22...Bb4 23.Be5 Bf8 24.Qb7 Rb7 25.f3+=) 23.Bc3 (better is 23.Bh6!? Bd6 24.g3+=) 23...Bd6+= 24.g3 c5 25.b5 Be5 (25...c4 26.Qb2+=) 26.f4 (26.b6 Qd6 27.Be5 Qe5=) 26...Bc3+= 27.Qc3 c4 28.Ra5 Qb6 ½–½. Cirulis,Ilmars (1970) – Carrizo,Jos‚ (2035), FICGS, 2016.

8.Nbd2 a5 9.c5 +=.

8.Nbd2 c5 9.b5 Qa5 10.Be2 dc4 11.dc4 (Black gets strong play along the open d–file) 11...Rfd8 12.0-0 Nb6 13.Nb3 Qa4 14.Nbd2 Ne4 (14...a6 15.Be5 ab5 16.cb5=+) 15.Qc1 Nd2 16.Nd2 Qc2 17.Qc2 Bc2 18.Nf3 Bd3 19.Bd3 Rd3 20.Rfc1 f6 (20...a6 21.ba6 Ra6 22.Rab1=+) 21.Rc2 Rad8 22.Kf1 Na4 23.Ne1 (23.Ke2 a6=+) 23...R3d7 (23...Rd2 24.Rd2 Rd2 25.Bc1–/+) 24.Bc3 (24.Ke2 e5=+) 24...Nc3–/+ 25.Rc3 Kf7 (25...f5 26.Rb3–/+) 26.Ra2 e5 27.Ke2 e4 28.Rcc2 Bd6 29.Rd2 ½–½. velerofontis – Still_Life, playchess.de, 2002.

8.Nbd2 c5 9.cd5 ed5 10.bc5 Nc5 =+.

8.Nbd2 c5 9.cd5 Nd5 10.e4 +/–.

8.Nbd2 Bg6 9.Qb3 c6 (9...a5 10.Be2+=) 10.g3 (10.Be2 Qc7=) 10...h6 (10...a5 11.Be2+=) 11.Bg2 Qb6 12.0-0 Rfd8 (12...a5 13.Rab1+=) 13.Rfe1 c5 14.b5 Qc7 15.Nh4 (15.a4 Bh7=) 15...dc4 (15...Bh7 16.Nhf3=) 16.Nc4+= (worse is 16.Qc4 Nb6 17.Qf4 Qf4 18.ef4 Bd3 (worse is 18...Rd3 19.Ng6 fg6 20.Nf1=) 19.Bb7 Rab8–/+) 16...Bh7 17.Rac1 Ng4 (17...Nd5 18.d4=) 18.Nf3+= Nb6 19.d4 Nc4 (19...Rac8!?+=) 20.Qc4+/– (20.Rc4?! Be4=) 20...Rac8 (20...h5 21.h3 Nf6 22.dc5+–) 21.dc5 Nf6 (21...h5 22.h3 Nf6 23.c6 bc6 24.bc6+/–) 22.c6 bc6 23.Qc6 Qb8 24.Qa6 Bd3 (24...Nd7 25.Rc8 Rc8 26.Be5 Ne5 27.Ne5+/–) 25.a4 (25.Nd4 Rc1 26.Rc1 Qb6+–) 25...Be4? (25...Ne4!? 26.Rc8 Rc8+–) 26.Ne5+– Bg2 (26...Bb4 27.Rf1 Rc1 28.Rc1+–) 27.Kg2 Qa8 28.Kg1 (28.Nc6!? Rc7+–) 28...Bb4 29.Red1 Rd1 (29...Rc1 30.Rc1 Bd2+–) 30.Rd1 Rc2 31.Nc6 Nd5 32.Bd4 Bc5 (32...Bd2+–) 33.Bc5 Rc5 34.Qa7 (34.e4!? Nc7 35.Qa7 Qa7 36.Na7 Kh7+–) 34...Qa7 35.Na7 Rc7 (35...Kh7 36.Rb1 Rc7 37.Nc6+–) 36.Nc6 Nc3 (36...Rb7 37.Rd3+–) 37.Rd8 (37.b6 Rc6 38.Rd8 Kh7+–) 37...Kh7 38.Ra8 (38.b6 Rb7 39.a5 e5+–) 38...Rb7 (38...Ne4 39.b6 Rc6 40.b7+–) 39.Kf1 (39.Na5 Rd7 40.b6 Na4+–) 39...Kg6 (39...Rb6 40.Kg2 Nb5 41.ab5 Rb5 42.Ra7+–) 40.Ke1 (40.Na5 Rb6 41.Nc4 Na4 42.Nb6 Nb6+–) 40...Nd5 41.Ra7 Rb6 42.Ne5 Kf5 43.Nc4 Rb8 44.Rf7 Kg6 45.Ne5 Kh7 46.Nc6 Rb6 47.Ra7 Nc3 48.Kd2 Nd5 49.e4 Nf6 50.Kd3 e5 51.Ne5 Rd6 52.Ke3 Re6 53.f4 Ne8 54.a5 Nd6 55.b6 Nc8 56.b7 Na7 57.b8Q Ra6 58.f5 Ra5 59.Nf7 1–0. Coquelle,Arnaud (1760) – Guerin,Tristan, Saint Affrique FRA, 2014.

8.Be2 dc4=+ 9.dc4 c5 10.b5 Ne4 (10...Qc7 11.Nbd2=+) 11.0-0= Bf6 12.Qb3 Bb2 13.Qb2 Qf6 (13...a6 14.Rd1=) 14.Ra2 (14.Qf6 Ndf6 15.Ne5 Rfd8=) 14...Qb2 (14...e5 15.Rd1=) 15.Rb2 Nb6 16.Nh4 Rad8 17.Nf5 ef5 18.f3 Nd6 19.Nd2 Na4 20.Rc2 Rfe8 (20...f4 21.ef4 Nf5 22.Re1=) 21.Kf2 Re6 22.Rd1 Rde8 23.Nf1 f4 24.e4 (< 24.ef4 Re2 25.Re2 Re2 (25...Nc4?? 26.Re8) 26.Ke2 Nc3 27.Kd2 Nd1 28.Kd1 Nc4–/+) 24...f5 25.Rcd2 Ne4 (better is 25...Nf7!? 26.ef5 Re2 27.Re2 Re2 28.Ke2 Nc3 29.Kd2 Nd1 30.Kd1 Nd6=) 26.fe4+= Nc3 27.Rd7 (27.Bh5!? Ne4 28.Kg1+=) 27...Nd1= 28.Bd1 fe4 29.Rb7 e3 (29...R6e7 30.Re7 Re7 31.Bc2=) 30.Ke2 R6e7 31.Re7 Re7 32.Bc2 (32.h4 Kf8+=) 32...g5= 33.h3 Kg7 34.Bd3 Kf6 35.g4 h6 36.Nh2= Re8 37.a4 Rh8 38.a5 Rb8 39.Be4+= Ke5 40.Bd5 Kd6 41.Nf3 Re8 42.Ne1 Kc7 43.Nd3+/– Kd6 44.a6 Kc7 45.Nc5 Re7 46.Nb3 Kb6 47.Bc6 Re6?? 48.Kd1 Kc7 49.c5 Kb8?? 50.b6 (50...Rc6 51.ba7 Ka7 52.Ke2–+; better is 50.Bf3 Re8 51.Na5 e2 52.Ke1+–) 1–0. Erickson – Mann, USA, (year?).

8.Nc3 dc4 9.Bc4 a5 10.b5 c5 11.Rc1 Bg4 12.Be2 cd4 13.Nd4 Be2 14.Qe2 (< 14.Nde2 Nc5 15.0-0 Nd3–/+) 14...Nc5 15.0-0 Nd5 (15...Rc8 16.Rc2=) 16.Rfd1 Qb6?? (better is 16...Nc3 17.Bc3 Qb6+=) 17.Nd5+– ed5 18.Nf5 Bf6 (18...Rfe8 19.Ng7 (19.Ne7?! Re7 20.Rd5 Ne6+–) 19...Red8 20.Nf5+–) 19.Bf6 (better is 19.Rc5 Qc5 20.Bf6+–) 19...Qf6 20.Rc5 Qf5 21.Rcd5 Qf6 22.Qd2 g6 23.Rd7 Qb6 24.Qd5. De Visser,Arno – Derks, Hoogoven, (year?).

8.Nc3 h6 9.h3 Re8 10.g4 Bh7 11.g5 hg5 12.Ng5 Ne4? (better is 12...Bf5!?=) 13.Nh7+/– Kh7 (13...Nc3 14.Bc3 Kh7 15.cd5 ed5 16.Qh5 Kg8 17.Qd5+/–) 14.Qh5 (14.Bd3!? Kg8 15.Ne4 de4 16.Be4+–) 14...Kg8+/– 15.Ne4 de4 16.Rg1 Bf6 (16...Nf6 17.Qh6 g6 18.Bg2+/–) 17.0-0-0 White prepares the advance d5 (17.Bg2 e5 18.Be4 ed4 19.Qh7 Kf8 20.Bd4 Bd4 21.ed4 g6 22.Qh8 Ke7 23.Qh4 Kf8 24.Qh6 Kg8+/–) 17...Qe7 (17...a5 18.b5 Rc8 19.c5+/–) 18.f3 (18.Bg2 c6+–) 18...a6 (18...e5!?+/–) 19.fe4+– e5 20.Bd3 c6 21.d5 Rec8 22.c5 cd5 23.ed5 e4 24.Bc4 (24.Rg7 Kg7 25.Rg1 Kf8 26.Qh6 Ke8 27.Rg8 Qf8 28.Rf8 Nf8+–) 24...Bb2 (24...Nc5 25.Rg7! Kg7 26.Qg5 Kf8 27.Bf6 Nd3 28.Kb1 Qd6+–) 25.Kb2+– Qe5 (better is 25...Ne5 26.Kb1 Qf6+–) 26.Kb3?? (better is 26.Qe5 Ne5 27.Kb3+–) 26...Qh5–+ 27.Rd2 (27.Rg4 Nf6 28.Rgg1 Qh3–+) 27...Qh3 28.Rdg2 Qe3 29.Kb2 (29.Ka2 g6 30.d6 Ne5–+) 29...Qd4 30.Kb3 a5 (30...a5 31.Rg7 Kh8–+) 0–1. lendzior (1705) – matahar (1845), kurnik, 2014.

8.Nbd2 a5 9.b5 h6 10.Be2 Rc8 11.0-0 c5 (11...dc4 12.Nc4 c6 13.Qa4=) 12.bc6 (12.cd5 ed5 13.dc5 Nc5+=) 12...bc6 13.Bc3 Ra8 14.Qa4 Exerts pressure on the isolated pawn 14...Qc7 15.Rfc1 Nb6 16.Qd1 (worse 16.Ba5 Qa7 (16...Na4 17.Bc7 Rfc8 18.Be5+/-) 17.Qc6 Qa5-/+) 16...a4 17.Ne5 (17.Bb4 Rfc8+=) 17...Rfb8 (17...Nbd7!?=) 18.Bb4+= Bd6?? (18...Bb4 19.ab4 dc4 20.Bf3+/-) 19.cd5?? (19.Bd6 Qd6 20.c5 Qc7 21.cb6 Rb6+-) 19...ed5? (19...Be5 20.de5 Qe5 (20...Nfd5?? 21.Bd6 Qd8 22.e4+-) 21.dc6 Qc7+/-) 20.Rc6+- Be5 21.Rc7 Bc7 22.Rc1 Bd8 23.Nf3 Ne4 24.Ne5 Be6 25.f3 Nf6 26.Nc6 Rc8 27.Be7 (27.Nd8!? Rd8 28.Be7 Rdc8+-) 27...Bc7?? (27...Rc6 28.Rc6 Be7 29.Rb6 Ba3+-) 28.Bf6 (28.Bf6 Bd6 29.Ne7 Be7 30.Be7+-) 1-0. jhonores (2215) - Kentster (2205), Rated Blitz game, lichess.org, 2020.

8.Nbd2 c6 9.Be2 Rc8 10.Rc1 h6 11.0-0 Re8 12.Qb3 dc4 13.Bc4 Be4? (better is 13...Bd6!?=) 14.Ne4+/– Ne4 15.Be6! Rf8 (15...fe6 16.Qe6 Double attack) 16.Bf5 Ng5 (16...Nd6 17.Bd3 Re8+–) 17.Ne5 Ne5 18.Bc8 (18.de5 Rc7+–) 18...Qc8? (better is 18...Nef3 19.gf3 Nf3 20.Kg2 Nh4 21.Kh1 Qc8+/–) 19.de5+– Qg4 20.f3 Qh5 21.f4 Ne4 (21...Ne6+–) 22.Rf3 (better is 22.Qd3 f5 23.Qd7+–) 22...Nd2+/– 23.Qd1 Nf3 24.Qf3 Qf5 (24...Qf3!? 25.gf3 Rd8+/–) 25.e4 Qe6 (25...Qg6!?+/–) 26.f5+– Qa2 27.Qc3 b5 28.Ra1 Qc4 29.Qc4 bc4 30.Rc1 Rd8 31.h3 (31.Rc4?! Rd1 32.Kf2 Rd2 33.Kf1 Rb2 34.Rc6 Ra2=) 31...c5 (better is 31...Bg5!? 32.Rc4 Rd1 33.Kh2 Bf4 34.g3 Rd2 35.Kh1 Bg3+/–) 32.Rc4 cb4 33.ab4 Rd1 34.Kh2 Bg5 35.Rd4 (35.Kg3 Rd3 36.Kg4 Rd2+–) 35...Bf4? (better is 35...Re1+/–) 36.g3+– Rd4 (36...Rd2 37.Rd2 Bd2+–) 37.Bd4 Bd2 38.b5 a5 (38...Kf8+–) 39.ba6 g5 40.a7 1–0. barborski – biombo (1630), kurnik, 2013.

8.Nbd2 c6 9.Be2 Ne4 10.0-0 a5 11.c5 b5 (11...b6 12.Ne4 Be4 13.Qd2=) 12.Ne5 (12.Ne4 Be4 13.Qd2 a4=) 12...Ne5 13.de5 Nd2 (13...ab4 14.ab4 Ra1 15.Ba1 Nd2 16.Qd2=) 14.Qd2 Qc7 15.g4 (15.Bd4 Ra7=) 15...Bg6+= 16.f4 Be4 17.Bc3 ab4 18.ab4 Qb7 19.Qb2 (19.Ra8 Ra8 20.Bd3 Bd3 21.Qd3 Ra3+=) 19...Ra1 20.Ra1 Ra8 21.Ra8 Qa8 22.Qa1 Qa1 23.Ba1 Kf8 (23...Bh4 24.Kf1=) 24.h3 (24.g5 Ke8=) 24...Ke8 25.g5 h6 26.h4 Bc2 (26...Kf8 27.Bd4=) 27.Bc3 (27.Bd4 Bf5=) 27...Bb3 28.Kf2 Bc4 (28...hg5 29.hg5 Bc2 30.Ke1+=) 29.Bf3 Bd3 30.Kg3 (30.e4 de4 31.Bh1 hg5 32.hg5 Bd8+=) 30...hg5 31.hg5 Bd8 (31...Bf5 32.Bd4=) 32.Kh4 (32.Kf2 Bc7+=) 32...Kf8 33.Kg3 g6 ½–½. Abicht,Ruediger (1810) – Schrems,H (2110), Pyramiden Cup, 2015.

8.Nbd2 h6 9.Be2 a5 10.b5 c6 11.Rc1 Ne4 (11...cb5 12.cb5 Bd6 13.0-0?=) 12.0-0? cb5 13.cd5 ed5 14.Bb5 Bd6 15.Ne4 Be4 16.Ne5 Nb6 17.Qh5 Qg5 18.Qg5 hg5 19.f3 Bf5 20.Rfe1 Rac8 21.e4 de4 22.fe4 (worse is 22.Re4 Be4 23.fe4 Be5 24.de5 Rfd8 25.Rc8 Rc8–+) 22...Be5 23.ef5 Bf6 24.g4 Nd5 25.Kg2 Rfd8 26.Kf3 Nf4 Attacks the isolani on d4 (26...Nc7!? 27.Bf1 b5+/–) 27.Ke4+/– g6 28.Rc8 Rc8 29.Rc1 Rc1 30.Bc1 1–0. marekt – PJYelton, ChessWorld.net, 2012.

8.Bd3 dc4 9.Bc4 a5 10.ba5 Ra5 11.Nc3 +=.

8.Bd3 Re8 9.Bf5 ef5 10.c5 (10.cd5 Nb6=) 10...c6 (10...f4 11.Nc3+=) 11.0-0= Ne4 12.Nc3 Bf6 13.b5 (13.Qd3 Qc7=) 13...Qe7 (13...Ndc5 14.bc6 bc6 15.Qc2–/+) 14.a4 (14.Rc1 a6 15.bc6 bc6=) 14...g5 (14...Ndc5 15.Rb1–/+) 15.Nd2 (15.Qd3 Nc3 16.Bc3 Qe4+=) 15...Kh8 (better is 15...Ndc5!? 16.bc6 bc6 17.Nde4 Ne4+=) 16.Nde4+= fe4 17.Ne2 Bg7 18.Ng3 Qe6 19.Qh5 (19.Nh5 Nf6+=) 19...h6 (19...Nc5 20.bc6 bc6 21.Qg5+=) 20.Rfe1 (20.Qe2 Nf6+=) 20...Rf8 (20...Nc5 21.dc5 Bb2 22.Ra2–/+) 21.f4 (21.Qe2 f5+=) 21...Nf6 (21...gf4 22.Nf5+=) 22.Qe2= Qd7 (22...gf4 23.ef4 Qg4 24.Qg4 Ng4 25.Nf5=) 23.f5 Qe7 24.Nh5 Nh5 25.Qh5 Qf6 26.Rf1 Rfc8 27.Rae1 b6 28.Re2 a6 29.bc6 Rc6 30.g3 Rb8 (30...bc5 31.dc5 Qd8 32.f6+– (32.Qf7?! Bb2 33.Rb2 Rac8+–)) 31.h4? (better is 31.Rff2+=) 31...bc5–+ 32.hg5 (32.hg5 Qg5 33.Qg5 hg5 34.Rc1–+). anonymouuus – plamo, kurnik, 2013.

8.Bd3 Bg4 9.0-0 Rc8 10.h3 Bh5 11.Nbd2 c6 12.Rc1 Re8 13.Qa4 White prepares b5 (13.Qb3 Bg6+=) 13...a6 (13...dc4 14.Be2-/+ (14.Rc4? b5 15.Qa7 bc4 16.Nc4 Bf3 17.gf3 c5-+; worse 14.Bc4 b5 15.Qa7 bc4-+)) 14.b5?? (better 14.Qb3!?+=) 14...ab5 15.cb5 Nb6 16.Qb3 c5 17.dc5 Bc5 18.a4 Nbd7 19.Ba3 Bg6 20.Bg6 hg6 21.Rc2 Ba3 22.Rc8 Qc8 23.Qa3 Qc5 24.Qc5 Nc5 25.Ra1 Ra8 26.a5 Nfd7 27.Nd4 Kf8 28.N2b3 Ke7 29.Kf1 Kd6 30.Ke2 (better 30.Nc5!? Nc5 31.f4=) 30...e5-/+ 31.Nc5 Nc5 32.Nf3 Nb3 33.Ra3 Na5 0-1. Hemericus (1905) - rollerchantax (2110), Rated Bullet game, lichess.org, 2015.

8.cd5 Nd5 9.Nbd2 N7f6 10.Nc4 Ne4 11.Bd3 Nb6 12.Nb6 ab6 13.Qc2 Nd6 14.e4 Bg4 15.Nd2 Bg5 16.e5 (16.f3 Bh5+=) 16...Nf5= 17.Nb3 Bh4 (17...c6!?=) 18.h3 Bh5 19.Bf5 (19.g4 Ne3 20.Bh7 Kh8+/–) 19...ef5 20.Qf5 Bg6 21.Qf3 f6 22.e6 Re8 23.d5 c6 24.0-0 cd5 25.Qg4 (25.Rfe1 Bg5+/–) 25...f5+= 26.Qe2 f4 27.Nd4 Bf6 28.Rfe1 Be4 29.Qg4 Be5 30.Rad1 (30.Nc6 bc6 31.Be5 Qe7+=) 30...Qf6+= 31.h4 Ra3 32.Ba3 Bd4 33.b5 f3 (33...Bc3!? 34.Re4 de4=) 34.Rd4+= Qd4 35.gf3 (better is 35.Qf4!? Qf6 36.Qf6 gf6 37.gf3=) 35...Qd2=+ 36.Rc1 Bg6 37.e7 Qd3 38.Bd6 h5 (38...Bf5 39.Qf4=) 39.Qd7+= Qf3 (39...Kh7 40.f4+=) 40.Rc8 (40.Qb7 Be4 41.Kf1 Qd3 42.Kg1 Qh3–+ (42...Qb5?! 43.Qc6 Qc6 44.Rc6=)) 40...Qg4 41.Qg4 hg4 42.Rc7 Bd3 43.Rb7 Bb5 44.Rb6 Be2 45.Rb4 Kf7 46.Kg2 Ke6 47.Bc5 Kd7 48.Rf4 Ke6 49.Kg3 g6 50.Rf8 Re7 51.Be7 Ke7 52.Rf4 (52.Ra8 d4+/–) 52...Ke6+= 53.Ra4 Ke5 54.Ra2 Bf3 55.Ra5 Kf5 56.Rc5 (56.Rb5 Ke5=) 56...Ke5= 57.Rb5 Kf5 58.Ra5 Ke5 59.Rc5 Kd6 60.Rb5 Ke5 61.Rb7 (61.Rb8 d4=) 61...d4 62.Rb5 Ke4 63.Rb4 Be2 64.Ra4 Ke5 65.Ra5 Ke4 66.Ra8 d3 67.Rd8 Bd1 68.Rd6 Bb3 (68...Be2 69.Rd7= (69.Rg6?? d2 70.f3 Kd5–+)) 69.Kg2 Bc4 70.Rd8 (70.Rg6?? d2 71.Rg4 Kd3 72.Rg3 Kd4 73.Rg4 Kc5–+) 70...Be6 (70...Ke5 71.f3 Bd5 72.Kf1–+) 71.Re8+= Ke5 72.Kf1 Kd5 73.Ke1 Bf5 74.Kd2 Kd4 75.Re7 Be4 76.Rd7 Ke5 77.Ke3 Bf5 78.Ra7 Kd6 79.Ra6 Kd5 80.Ra5 Ke6 81.Rb5 Kf6 82.Kf4 Be6 (82...Ke6!? 83.Rb2 Kd5+=) 83.Rb6+/– Kf7 84.Rd6 Bf5 85.h5 Ke7 86.Rd4 Kf6 87.h6 g5 88.Ke3 Bh7 89.Rd6 Kf5 (89...Ke7 90.Rd5 Kf6+–) 90.Kd2 (90.Rd3?! Kg6+–) 90...g3 91.fg3 g4 92.Rd3 Kg5 93.Rd6 Bg6 (93...Be4 94.Ke3 Bg6 95.Ra6+–) 94.Ke3 Kf5 (94...Bh7+–) 95.Rd7 Ke6 96.h7 Kd7 (96...Bh7 97.Rh7 Kf5 98.Rh5 Kf6 99.Kf4+–) 97.h8Q Bf5 (97...Bf7 98.Qg7 Ke7 99.Ke4+–) 98.Qg7 Kd6 99.Qf6 Be6 100.Kf4 Kd7 101.Ke5 Ba2 102.Qd6 Kc8 103.Qa6 Kc7 104.Qa2 Kc6 105.Qe6 (105.Qd5 Kc7 106.Qc4 Kb6 107.Qg4 Kb5 108.Kd6 Kb6 109.Qb4 Ka6 110.Kc6 Ka7 111.Qb7#) 105...Kb5 (105...Kb7 106.Qg4 Kc7 107.Qc4 Kb7 108.Qb5 Kc7 109.g4 Kc8 110.Kd6 Kd8 111.Qd7#) 106.Kd4 Ka4 (106...Kb4 107.Qb6 Ka4 108.Kc4 Ka3 109.Qb3#) 1–0. Lonnie – crafty, ICC, 1999.

8.Be2 c6 9.Nc3 Bd6 (9...dc4 10.Bc4 a5 11.b5=+) 10.c5= Bc7 11.0-0 (11.Nh4 Be4=) 11...Ne4 12.Ne4 de4 13.Nd2 Qh4 (13...Qg5 14.g3=+) 14.g3= Qh3 15.Re1 Nf6 16.Bf1 Qh6 17.Bg2 Ng4 18.Nf1 Rad8 19.Qa4 a6 20.Qc2 Rd5 (20...Bg6!?=) 21.Be4+= Be4 22.Qe4 f5 23.Qc2 Rf6?? (better 23...Nf6+=) 24.f3+– Nh2 25.Qh2 (25.Nh2?! Bg3 26.Re2 Rg6+=) 25...Qg6 26.f4 Qf7 27.Nd2 Rh6 28.Qe2 Qg6 (28...Rd8 29.Kg2+–) 29.Kg2 Rh4 30.Rh1 Rg4 31.Rh3 h5 (31...Rd8 32.Nc4+–) 32.Nf3 Bd8 (32...a5 33.Rd1+–) 33.Ne5 Re5 34.de5 h4 35.Qf3 hg3 (35...Be7+–) 36.Rah1 Kf7 37.Qd1 Be7 (37...Bh4 38.Rh4 Rh4 39.Rh4 Qh6 40.Qd7 Kg8 41.Rh6 gh6 42.Qe6 Kf8 43.Qd7 a5 44.e6 ab4 45.Qf7) 38.Rh8 a5 (38...Rf4 39.Qd7 Rf2 40.Kg1 Rf1 41.Kf1 g2 42.Ke2 Qg4 43.Kd2 Qe2 44.Ke2 g1N 45.Kd3 g5 46.R1h7 Kg6 47.Qe8) 39.Qd7 (39.Qd7 Rf4 40.Qe8) 1–0. Adlai – Gregory, internet, 2021.

8.ba5 Ra5 9.Qb3 Bb1 (better is 9...dc4!? 10.Bc4 Nb6=+) 10.Rb1+= Qa8 11.cd5 Nd5 (11...ed5 12.Be2=) 12.e4 N5b6 13.Qc2 0-0 14.Qc7 (14.Bd3 Ba3 15.Bc3 Ra4=) 14...Rc8 15.Qf4 Ba3 16.Ba3 Ra3 17.Bb5 Qa5 18.Qd2 Qd2 19.Nd2 (19...Nf6 20.Ke2=) =. Trokenheim,Marek – guest349, ICC, 2004.

8.b5 0-0 9.Be2 dc4 10.Nbd2 Nb6 (10...Nd5 11.Nc4 N7f6 12.0-0=) 11.Nc4= Nc4 12.Bc4 Qd6 (12...Nd5 13.0-0=) 13.0-0 h6 (13...Rfd8 14.Bd3=) 14.Qe1 (14.Bd3 Bd3 15.Qd3 Rfd8=) 14...Rfd8 15.a4 Ne4 16.Ba3 Qd7 17.Ne5 Qe8 18.Be7 Qe7 19.Rc1 f6 20.Nf3 Kh8 (20...Qd6 21.Bd3+=) 21.Nh4 Bh7 22.Nf3 (22.f3 Nd6 23.Bb3 g5=+) 22...Bg6 (22...Bf5 23.Qe2+=) 23.h3 (23.Qe2 Qd6+=) 23...Rd6 (23...e5 24.Rd1+=) 24.Nh4 Bh7 (24...Bh5 25.Bd3 f5 26.Be4 fe4 27.f3+/–) 25.f4 b6 26.Bd3 Rad8 27.Nf3 Ng3 28.Qg3 Bd3+= 29.Rfd1 Bh7 30.Rc3 Be4 31.Nd2 Bf5 32.Rdc1 R8d7 33.Nc4 Rd5 34.Qh4 Qb4 35.Qe1 Bh7 36.Ra1 Be4= 37.Qc1 Rd8 38.Nb2 Rc8 39.Nd3 Qd6 40.Nf2 Bg6 41.Rc6 Qd7 42.Qe1 Rd6 43.Rac1 Rc6 44.Rc6 Qe7 45.Qc3 Qd7 46.e4 Rd8 47.Rc7 Qd4+= 48.Qg3 Kh7 49.f5! Kh8 50.Qg6 Qa1 51.Kh2 Rg8 52.Ng4 ef5 53.Nh6 Qe5 54.g3 Qb2 55.Kh1 Qb1 56.Kh2 Qb2+– 57.Kg1 57...Qd4 58.Kf1 Qd3 59.Kf2 Qd2 60.Kf1 Qd3= 61.Kg1 Qd4 62.Kh2?? Qb2= ½–½. SuperForte 5 Mhz – REXChess 80286 12Hz, 1994.

8.Nc3 0-0 9.Be2 =.

8.Nc3 c6 9.d4 (9.Be2 0-0=) 9...0-0 10.Bd3 Bd3 11.Qd3 a5 (11...Nb6 12.0-0+=) 12.0-0 (12.b5!?=) 12...ab4–/+ 13.ab4 Bb4 14.Ne5 (14.Ra8 Qa8 15.Ra1 Qd8–/+) 14...Qb6 (14...Qe7 15.Nd7 Qd7 16.Rfb1–/+) 15.Nd7 Nd7 16.Rfb1 Bc3 (16...Ra1 17.Ra1 Nf6 18.Ra4–/+) 17.Bc3 Ra1 18.Ba1 (18.Ra1 Nf6–/+) 18...Qa5 0–1. Fournier,Frederic (2040) – markar (1725), Active, 2004.

8.Nd4 Be4 =+.

8.Nd4 Bg6 9.f4 a5 10.Be2 ab4 11.f5 =+.

8.Nd4 Bg6 9.f4 Ne4 10.Be2 c5 11.bc5 Bc5 12.0-0 Bd4 (12...Nd6!?+=) 13.Bd4+/– (< 13.ed4 Qb6 14.Ra2 Qe6=+) 13...f6 14.Bh5 (14.Qb3 Nb6+/–) 14...0-0 (14...Qe7!?+/–) 15.Bg6 hg6 16.Qg4 (16.d3 Nec5 17.Qf3 Qe7+/–) 16...Qe8 17.Nc3 (17.Rc1!?+/–) 17...Nd2= 18.Rfe1 Qf7 19.Qd1 Nc4 20.Qf3 Ndb6 21.a4 Rad8 (21...Nd2 22.Qg3=) 22.a5 (22.Bb6 Nb6 23.Red1 f5=) 22...Nc8= 23.Red1 (23.Rec1 Nd2 24.Qd1 Ne4=) 23...Rfe8=+ 24.Nb5 a6 25.Nc3 Ne7 26.Bc5 Nc6 (26...Nf5!? 27.Rd3 Rc8–/+) 27.Nd5= White gets strong play along the open d–file (< 27.Rd5 Rd5 28.Qd5 Qd5 29.Nd5 N6a5–/+) 27...N4a5 (27...g5 28.e4 gf4 29.Bb6 Nb6 30.ab6=+) 28.Ra5 (better is 28.Bb6 Rd5 29.Rd5+/–) 28...Na5=+ 29.Ne7 Re7 (29...Qe7 30.Be7) 30.Rd8 Re8 31.Qd1 Nc6 (31...b5!?–/+) 32.Rd7= Qc4 33.Qd6 Qc1 34.Kf2 Qc2 35.Kf3 (35.Kg3 g5 36.fg5 Qg6=) 35...g5 (35...Qe4!? 36.Kg3 g5=+) 36.Qd5= (< 36.Rb7 Qe4 37.Kf2 Ne5–/+) 36...Kh7 37.Rb7 Ne5! 38.fe5 (38.Qe5 fe5) 38...Re5 39.Qd7?? (better is 39.Qd4 Qf5 40.Kg3 Rc5 41.h3–/+) 39...Rf5–+ 40.Kg3 (40.Qf5 Qf5 41.Ke2 Qc2 42.Kf3 g4 43.Kg3 Qc5 44.Kf2–+) 40...Qf2 41.Kg4 Rf4!? (42.ef4 Qf4 43.Kh5 Qh4#) 0–1. De Visser,Arno – de Rooi, Dieren, 1982.

8.Be2 a5 =.

8.Be2 h6 9.0-0 0-0 10.Nd4 Bh7 11.d3 c6 12.Nd2 a5 13.ba5 (13.Bc3 ab4 14.ab4 Ra1 15.Qa1 Ne5=) 13...Ra5 (13...Qa5 14.a4+=) 14.N2b3 (14.Bc3 Ra8=) 14...Ra7 (14...Ra4 15.Nf3–/+) 15.Qd2 (15.a4 Bb4+=) 15...Qb6 (15...Ra4 16.Bd1–/+) 16.a4+= c5 17.Nb5 Ra4 (better is 17...Ra6!? 18.Ra2 Rfa8+=) 18.Ra4+= Qb5 19.Ra3 c4 20.Nd4 Qb6 21.Ra2 cd3 (better is 21...Ne5!? 22.dc4 Nc4+=) 22.Bd3+– Bd3 23.Qd3 Nc5 24.Qb5 Qc7 (24...Qb5 25.Nb5 Nd3 26.Bc3+–) 25.h3 (25.Nf5!? Rc8+–) 25...Nfe4 (25...g6 26.Rc1+–) 26.Rc1 (26.Nf5 Bf6+–) 26...Rc8 27.Qe2 (27.Nf5 Bf8+/–) 27...Qd7 28.Ba3 b6 29.Rac2 (29.Qb5 Qc7+/–) 29...Ra8 30.Bc5 (30.Bb2 Bh4 31.Qf1 Ra4+=) 30...bc5+= 31.Nb3 (31.Qb5 Qc8+=) 31...c4= 32.Nd2 Nc5 33.Rd1 Qe6 34.Qf3 (34.Nf3 Bf6=) 34...Ra3 35.Nb1 Attacking the backward pawn on d5 35...Rb3 (better is 35...Rd3!?=) 36.Nc3+/– d4 (36...Ne4!? 37.Nd5 c3+/–) 37.ed4+– Nd3 38.Qa8 Bf8 39.Re2 (39.Nd5 Kh7 40.Ne3 Bb4+–) 39...Qd6+/– 40.Qd5?? (better is 40.Nd5 Ra3 41.Qb7+/–) 40...Rc3–+ 41.Qe4 (41.Qd6 Bd6 42.g3 g6–+) 41...Nf4 42.Ree1 Rd3 43.Rd3 Nd3 44.Rd1 Nf4 45.d5 c3 46.Rd4 f5?? 47.Qf4+– c2 48.Qc1 Qe5 49.Rd2 Bd6 50.g3 f4 51.Qc2 fg3+/– 52.fg3 Qg3= 53.Kf1 Qh3 54.Rg2 Qf3 55.Rf2 Qd5 56.Qc8 Kh7 57.Qc2 Kh8 58.Qc8= Qg8 59.Qd7 Qc4 60.Kg2 Qe4 61.Kf1 Qb1 62.Kg2 Qg6 63.Kf1 h5 64.Qh3 Kh7 65.Rf5 Kh6 ½–½. Franco Rincon,David (1685) – Jordana Vargas,Julio (1945), Madrid ESP, 2014.

9.0-0 a5 10.ba5 (10.Nd4 Be6 11.b5 Nc5=) 10...Ra5 (10...c5 11.Nc3+=) 11.d3 (11.Nd4 Bg6=) 11...Nc5 (11...Rb5 12.Bc3 Rb6 13.a4+=) 12.Nd4 Bd7 13.Bc3 (13.Nc3 Bd6+=) 13...Ra7 (13...Ra6 14.Bd2–/+) 14.Nd2 (14.Bd2!?+=) 14...Na4–/+ 15.Qc1 Qa8 (15...Bd6 16.N4f3–/+) 16.Nb1 (16.N4f3 Nc3 17.Qc3 Ra3 18.Ra3 Qa3 (worse is 18...Ba3 19.Ra1 Bb4 20.Qb2+=) 19.Qc7 b5–/+) 16...Nc3 (16...Bd6 17.Nf3–/+) 17.Qc3 (17.Nc3 Ba3 18.Qc2 c6–/+) 17...b5 (17...Bd6 18.Nd2–+) 18.Nc2 c5 19.Bf3 (19.Qb2 Rb8–/+) 19...Bc6 (19...Bd6 20.Qb2–+) 20.d4 c4 (20...b4 21.Qb2 cd4 22.Nb4 Bb4 23.Qb4–/+) 21.Nd2 (21.Qb2 Ne4–/+) 21...Ra4 (21...Bd6 22.Nb4–/+) 22.Rfb1 Qb7 (22...Bd6 23.Nb4–/+) 23.Nb4 Rfa8 24.Bd1 R4a7 25.Bc2 Qc8 26.Nf3 Ra5 27.Ne5–/+ Bd7 28.Nd7 Qd7 29.f3 Kf8 30.Bd1 R8a7 31.Bc2+= Qe8 32.Re1 Qa8 33.Bf5?? Ra3–+ 34.Ra3 Ra3 35.Qd2 c3 36.Qd3 Bb4 37.Qb5 Be7 38.Rb1 Ra1 39.Qb3 Rb1 40.Qb1 g6 41.Bc2 Kg7 42.Kf2 Qa3 43.Ke2 Qb2 44.Qd1 Nd7 45.Kd3 Nb6 46.e4 Bg5 47.ed5 Nd5 48.g3 Nb4 49.Kc4 Nc2 50.f4 Ne3 (50...Ne3 51.Kd3 Nd1 52.h3 c2 53.Ke4 c1Q 54.Kf3 Ne3 55.Ke4 Qd1 56.Ke3 Qbd4#) 0–1. Krc,Milan (1900) – Keller,Daniel (2150), Brno Trade op, 2006.

9.0-0 c5 10.b5 Qc7 11.d3 Bd6 12.Nbd2 Ne5 (12...a6!?=+) 13.Ne5 Be5 14.Be5 Qe5 15.d4 Qe7 16.dc5 Qc5 17.Nb3 Qd6 18.Nd4 Bg6 19.Bf3 (19.Qa4 Rfe8+=) 19...Ne4 20.Be4 Be4 21.f3 Bg6 22.Qb3 Rfe8 23.Rfe1 h6 24.Rad1 Rac8 25.a4 Rc4 26.a5 Qc5 27.a6 (27.Qb2 Rc3=) 27...Rc3=+ 28.Qa4?? (better is 28.Qa2 ba6 29.Qa6 Rce3 30.Re3 Re3 31.Qc6–/+) 28...Ra3–+ 29.Qa3 Qa3 30.ab7 Qe7 31.b8Q Rb8 32.Nc6 Qb7 33.Nb8 Qb5 34.e4 Qb8 35.Rd5 f6 36.Red1 Qb6 37.Kh1 Bf7 38.Rd8 Kh7 39.h3 a5 40.Ra8 Bb3 41.Rd7 Qb5 42.Raa7 Qg5 43.Kh2 Be6 44.Re7 Bc4 45.Kg1 Qg3 46.Rab7 h5 47.Kh1 h4 48.Kg1 Be6 49.Kf1?? Bc4?? 50.Kg1 Kh6 51.Ra7 Be6 52.Kf1?? Bh3 53.gh3 Qf3 54.Kg1 Qe3 55.Kf1 Qh3 56.Ke2 Qg2 57.Ke3 0–1. Bulcourf,Carlos (2210) – Rebottaro,Hector Javier, Villa Ballester op, 1992.

9.0-0 c5 10.Nc3 =.

9.0-0 c5 10.bc5 Nc5 11.d3 Qb6 =.

9.0-0 c5 10.bc5 Nc5 11.d4 Qb6 12.Ra2 Nce4 13.Nh4 Bd7 14.Ba1 Rac8 15.Rb2 Qc7 16.Nf3 Bd6 17.Qb3 b6 (17...Ng4 18.g3=+) 18.h3 (18.Ba6 Rce8=) 18...Qb8 19.Rc2 Rc2 20.Qc2 Rc8 21.Qb3 Qc7 22.Bd3 b5 23.Bb2 (23.Bb5? Rb8 24.a4 a6–+) 23...Qa5 24.Be4 (24.Ne5!? Be5 25.de5=) 24...de4=+ (worse 24...Ne4 25.Qd5 Bc6 26.Qf5+=) 25.Ng5 Rc4 26.f3 Bf5 (better 26...ef3!? 27.Nf3 Ne4=+) 27.Bc3 Qa4 Attacking the isolated pawn on a3 28.Qa4 Ra4 (better 28...ba4!? 29.fe4 Bg6+–) 29.fe4+– Be4 30.Rf6! gf6 31.Ne4 Ba3 32.Nf6 Kg7 33.d5 Bc1 34.Kf2 (34.Ng4 Kf8 35.Bd4 f5+–) 34...b4+– 35.d6 (better 35.Bd4!? Ra2 36.Kf3+–) 35...bc3= 36.d7?? (36.Nc3 Kf6 37.Na4 Ke6=) 36...c2?? (36...Be3 37.Ke3 c2 38.Ne8 Kf8 39.d8Q c1Q 40.Nd2 Qe1 41.Kd3 Ra3 42.Kc2 Qe8 43.Qd5–+) 37.Ne8?? (better 37.Nd2 Bd2 38.d8Q Be3 39.Ke2=) 37...Kh6?? (better 37...Kf8 38.d8Q Be3 (38...cb1Q?! 39.Nd6 Kg7 40.Qg5 Kf8 41.Qd8 Kg7 42.Qg5 Kf8 43.Qd8=; 38...cb1R 39.Nd6 Kg7 40.Qg5 Kf8 41.Nf5 Be3 42.Qe3 Rb2 43.Kf3 Rf4 44.Kf4 Rf2 45.Qf2 Ke8 46.Qa7 Kd8 47.Qe7 Kc8 48.Nd6 Kb8 49.Qb7) 39.Ke3 c1Q (39...cb1Q?! 40.Nd6 Kg7 41.Qg5 Kf8 42.Qd8 Kg7 43.Qg5 Kf8 44.Qd8=) 40.Nd2 Qe1 41.Kd3 Ra3 42.Kc2 Qe8–+) 38.Nd2!+– Bd2 39.d8Q Be3 40.Ke2 Bg5? (40...Rf4 41.g4 Rf2 42.Ke3 c1Q 43.Kf2 Qf4 44.Ke2 Qh2 45.Kd1 Qh1 46.Kc2 Qg2 47.Qd2 Qd2 48.Kd2 Kg5+–) 41.Qd6 f6 42.Qf8 Kg6 (42...Kh5 43.g3 Re4 44.Kd3 Re3 45.Kc2 Re2 46.Kd1 Rd2 47.Ke1+–) 43.Qg7 (better 43.g4!? Re4 44.Kd3 Re8 45.Qe8 Kh6 46.Qf8 Kg6 47.Qg8 Kh6 48.Kc2 Bh4+–) 43...Kf5 44.Qh7 Kf4 (44...Ke5 45.Qc2 Re4 46.Kf3 Rf4 47.Kg3 a6+–) 45.Qc7 (45.Qc7 Kf5 46.Qc2 Ke6 47.Qa4+–) 1–0. Vojinov,Danijel (1970) – Jelen,Miha (1890), TCh–SLO Div (4), 2018.

9.0-0 c6 10.Nc3 Re8 11.d4 (11.Nd4!? Bg6 12.f4=) 11...Bd6= 12.Rc1 Rc8 13.Na4 Ne4 14.Nc5 Nec5 (14...Rb8 15.Qa4=) 15.bc5 (15.dc5 Bc7+=) 15...Bb8 16.a4 Nf8 17.Bc3 Ne6 18.a5 Ng5 19.Qb3 Nf3 20.Bf3 Qc7 21.g3 Bh3 22.Rfd1 Re6 23.Rb1 Rf6 (better is 23...Re7!?=) 24.Bh1 Qd7 25.Qb7 Qf5 (25...Qe8 26.Rb4+/–) 26.Be1 (26.Rb2 Kf8+–) 26...h5 27.Qb2 (27.Rb2!?+/–) 27...h4 28.f4 (28.Bc3 Qg6 29.Re1 hg3 30.hg3 Bc7+/–) 28...g5 (28...Re8 29.Qd2 (worse is 29.gh4 Rfe6+=) 29...Bg4 30.Rdc1+=) 29.Qd2 (29.Bg2 Bg4 30.Rdc1 hg3 31.hg3 gf4 32.ef4 Rh6+/–) 29...hg3 (29...gf4 30.ef4 (30.gf4?? Qg4 31.Bg2 Rg6–+; 30.gh4?? fe3 31.Qg2 Bg2 32.Bg2 e2–+) 30...Bf4 31.gf4 Qg4 32.Bg2+=) 30.hg3 (30.Bg3!? gf4 31.ef4+=) 30...gf4= 31.ef4 Rg6 32.Kf2 Qg4 33.Qe3 Rf6 34.Bf3 Bf4 35.gf4 (35.Bg4 Be3 36.Ke3 Bg4 37.Rdc1–/+) 35...Rf4–+ 36.Ke2 (better is 36.Qe2 Rf5 37.Bc3 Qh4 38.Ke3 Re8 39.Kd2 Qf4 40.Kc2 Re2 41.Be2–+) 36...Bf1! 37.Kd2 (37.Kf1 Rf3 Double attack (37...Rf3 Deflection)) 37...Rf3 (37...Qf3?! 38.Bg3 Qe3 39.Ke3 Re4 40.Kf2+=) 38.Qe5 Bd3 39.Rb2 (39.Kc1 Bb1 40.Kb1–+) 39...Be4 (better is 39...Bf5 40.Kc1 Qg5 41.Rbd2–+) 40.Kc1 Ra3 41.Rh2 Qg7 (better is 41...f6 42.Qd6 Rb3–+) 42.Qg7 Kg7 43.Kb2 Ra4 44.Rh3 Rb8 45.Rb3 Rb3 46.Kb3 Rc4 47.Bc3 f5 48.Rg1 Kf7 49.Rf1 Kf6 50.Bd2 Bc2 (50...Rd4? 51.Bc3 Ke5 52.Rd1+–) 51.Kb2 Bd3 52.Rf2 (52.Rc1 Ke6–/+ (52...Rd4? 53.Bc3+–)) 52...Rc2 (52...Be4 53.Rh2–/+) 53.Kb3+= Kg6 54.Rh2 Kf7 55.Rh7 Kg6 56.Ra7?? (better is 56.Rh2=) 56...Rd2–+ 57.Kc3 Rd1 58.Rc7? (58.a6 Be4 59.Rc7 Rd3 60.Kb4 Rd4 61.Ka5–+) 58...Bb5 59.a6 Ra1 (better is 59...Rd3 60.Kc2 Rd4 61.a7–+) 60.a7 f4 61.Kb2 Ra4 62.Re7 f3 63.Re6 Kf5 (63...Kg5 64.Re5 Kg4 65.Re8–+) 64.Re7 (64.Re3 Ra7 65.Rf3 Ke4–+) 64...Kf4 65.Rf7 Ke4 (65...Ke3 66.Re7 Kd4 67.Rf7 Kc5 68.Rf3 Ra7 69.Re3–+) 66.Kb3 (66.Kc3 f2 67.Rf2 Ra3 68.Kb2 Ra7–+) 66...Ke3 (66...Kd4?! 67.Rf4 Kc5 68.Ra4 Ba4 69.Ka4–+) 67.Re7 Kd4 68.Rf7 Ke3 (68...Kc5!? 69.Rf3 Ra7 70.Kb2–+) 69.Re7 Kf2 (69...Kd3 70.Rf7 f2 71.Rf2 Ra7 72.Kb4–+) 70.Rf7 (70.Rb7 Kf1–+) 70...d4 (70...Kg2 71.Rg7 Kf1 72.Rc7–+) 71.Rd7 Kf1 72.Re7 (72.Rf7 f2 73.Re7–+) 72...f2 73.Rf7 d3 74.Kc3 Ke2 (better is 74...Ra3 75.Kd2 Ra2 76.Ke3–+) 75.Re7 Kf3 76.Rf7 Ke4 (better is 76...Kg3 77.Rg7 Kh4 78.Rh7 Kg5 79.Rf7–+) 77.Re7 (77.Rf2 Ra3 78.Kb2 Ra7 79.Kc3–+) 77...Kd5 78.Rf7 Kc5 (better is 78...d2 79.Kd2 f1Q 80.Rf1 Bf1 81.Ke3–+) 79.Rf2 (79.Rf5 Kd6 80.Rf2 Ra3 81.Kb2 Ra7–+) 79...Ra7 80.Rf5 Kb6 81.Rf6 (81.Rf2 Rd7–+) 81...Rd7 (better is 81...Ra2 82.Rf1 Rc2 83.Kd4–+) 82.Kd2 Ba4 83.Re6 Bc2 0–1. Kozlowska,Marzena (1800) – Bura,Alicja (1900), Poland–ch U16 Girls, 2003.

9.Nc3 c6 10.Qb3 Qc7 11.Rc1 Bd6 12.h3 a6 13.0-0 Rfe8 14.Nd4 Bg6 15.f4 h6 16.g4 Be4 17.Bf3 Bh7 (17...Bf3!? 18.Nf3 Qb6=) 18.g5 hg5 19.fg5 Ne4 20.Ne4 Be4 21.Be4 Re4 22.Nf5 f6 23.Rf2 (23.Nd6 Qd6 24.Rf3 fg5+=) 23...Be5 (23...Kh7 24.Qd1 g6 25.Nd6 Qd6 26.gf6+/–) 24.Ne7 Kf7?? (24...Kh7 25.Nd5! Qd8 26.Nf6 gf6 27.Qf7 Kh8 28.Qh5 Kg7 29.Qh6 Kf7 30.Qh7 Ke8 31.Qe4 Qe7 32.Qg6 Qf7 33.Qf7 Kf7 34.Be5 Ne5 35.Rf6 Kg7+–) 25.Nd5!+– Qd8 (25...cd5 26.Qd5 Double attack (26.Rc7 Pinning; 26.Rc7 Deflection)) 26.Nf6 (26.Nf6 Ke7 27.Ne4+–) 1–0. combijack (1840) – jkg20 (1730), gameknot.com, 2011.

8.0-0 dc4 9.Bc4 a5 10.ba5 Ra5 11.Bc3 =+.

8.0-0 dc4 9.Bc4 Nb6 10.Be2 Bd3 11.Nc3 (11.Bd4!? Be2 12.Qe2=) 11...Nc4=+ 12.Bc1 Qd7 (12...c5 13.Ne1 Be2 14.Qe2 cb4 15.ab4=+) 13.Ne1 (13.Nd4 Be2 14.Qe2 Ne5=) 13...Ne5=+ 14.f4 Be2 15.Qe2 Ng6 16.Bb2 c5 17.b5 (17.bc5 Bc5 18.Rc1 Rfd8=) 17...Rfd8 18.d3 Nd5 (18...a6 19.a4=+) 19.Nd5= Qd5 20.Qc2 Rac8 21.a4 c4 22.d4 Nh4 23.e4 Qd7 24.Bc3 f5 25.Nf3 Ng6 (25...Nf3!? 26.Rf3 fe4 27.Qe4 Bf6=+) 26.ef5+= ef5 27.Rae1 Bf6 (27...Nf4? 28.Ne5 Qd5 29.Rf4+–) 28.Ne5 Be5 29.fe5 Ne7 30.Bb2 (30.e6 Qd6+=) 30...c3= 31.Bc3 Nd5 32.Rf3 (32.e6 Qd6 33.Qf5 Nc3 34.e7 Qd4 35.Kh1+–) 32...Nc3–/+ 33.Qb3 Nd5 (33...Kh8 34.Rc3 Qd4 35.Rce3–+) 34.e6–/+ Qd6?? (34...Qe7 35.Rf5 Qh4 36.Rd1–+) 35.Rf5?? (better is 35.e7 Re8 36.Rf5 Re7 37.Re7 Rc1 38.Kf2 Qe7 39.Qd5 (39.Rd5? Qe1 40.Kf3 Rc3 41.Qc3 Qc3 42.Kf4 Qd2 43.Kf3 Kf7–+) 39...Kh8 40.Qe4+–) 35...Ne7–+ 36.Rf7 Qd4 37.Kh1 Re8 38.Qf3 Qc3 39.Qf2 Qc5 40.Qg3 Ng6 41.Qg4 Qc4 42.Qc4 Rc4 43.Rb7 Ra4 44.g3–/+ h6 45.h4 h5 46.Kg2 Re7 47.Rd7 Rb4 48.Re5 Rc4?? 49.Rd8+– Nf8 50.Rf5 Re6 51.Rdf8 Kh7 52.Rh5 Kg6? 53.Rg5 Kh7 54.Rf7 Rg6 55.Rg6 Kg6 56.Ra7 Rc3 57.b6 Rb3 58.b7 Kh5 59.b8Q Rb8 60.Rg7 Rb3 61.Rf7 Rc3 62.Rf2 Rb3 63.Kh3 Rc3 64.Rf5 Kg6 65.Rd5 Rb3 66.h5 Kh6 67.Kh4 Rb4 68.g4 Rc4 69.Rd6 Kh7 70.h6 Rb4 71.Kh5 Rb1 72.Rd7 Kg8 73.g5 Rb5 74.Rd6 Kh7 75.Rd7 Kg8 76.Rd4 Kh7 77.Rf4 Rc5 78.Kg4 Kg6 79.Rf6 Kh7 80.Rf5 Rc4 81.Kh5 Rc6 82.g6! Kg8 83.h7 Kg7 84.Rf7 Kh8 1–0. Semenko,Georg(Jurko) (1750) – Gerdes,Hans (1880), 5sen.BayEM Schney, 1993.

8.0-0 dc4 9.Bc4 Re8 10.Nc3= c6 11.Re1 b5 12.Bb3 a5 13.e4 (13.Nd4 Ne5 14.Nf5 ef5=) 13...Bg6 14.Bc2 (better 14.ba5!? Ra5 15.d4=) 14...ab4–/+ 15.ab4 Bb4 16.Ra8 Qa8 17.Qa1 (17.h4!?–/+) 17...Qa1–+ 18.Ba1 Bc3 (better 18...Ra8!?–+) 19.Bc3–/+ Nc5 (19...c5–/+) 20.Nd4? (better 20.d3=) 20...Nce4–+ 21.Nc6 Nc3 22.Bg6 Ncd5 (better 22...hg6 23.dc3 Nd5–+) 23.Bc2?? (better 23.Bd3=+) 23...Rc8–+ 24.Ne7?? (24.Rc1 Kf8 25.Bd3–+) 24...Ne7 25.Bd3 b4 26.Rb1 Rb8 27.Be2 (27.Bc2 Nc6 28.f3 Nd4–+) 27...Nc6 28.d3 (28.Kf1 b3 29.Rb2 Nd4–+) 28...Nd4 (better 28...Nd5 29.Kf1 Nd4–+) 29.f3 (29.Bd1–+) 29...Ne2 30.Kf2 Nc3 31.Rb2 Nfd5 (better 31...Nd1 32.Ke2 Nb2 33.g4–+) 32.Rb3 Nb6 (better 32...Ra8 33.f4 Ra3 34.Rb4 Nb4 35.Kf3–+) 33.d4 (33.Rb4 Ncd5 34.Re4–+) 33...Nbd5 (better 33...Nc4 34.Ke1 Na5 35.Rb2–+) 34.f4 f5 (34...Ra8 35.f5–+) 35.g3 Kf7 36.Kf3 Kf6 (36...Ra8 37.Rb1 Nb1 38.Ke2 Nbc3 39.Kd2 b3 40.g4 b2 41.Ke1 b1Q 42.Kf2 Ra2 43.Kg3 Qg1 44.Kh4 Qg4) 37.h4 Rb5 (better 37...Ra8 38.Rb2–+) 38.Kf2 Nb6 (better 38...Ra5 39.h5–+) 39.Ke1 Nc4 40.Kf2 Na5 41.Kf3 Nb3 42.Ke3 Nd4! 43.Kd3 (43.Kd4 Ne2 Double attack (43...b3 Passed pawn)) 43...b3 44.Kd4 (44.g4 b2 45.g5 Ke7 46.h5 b1Q 47.Kd4 Nd5 48.Kc4 Nf4 49.Kc3 Qd3) 44...b2 45.Kc3 (45.Kc4 b1Q 46.Kd4 Qd1 47.Kc3 Rb3 48.Kc4 Qd5) 45...b1Q 46.Kc4 (46.Kd2 Qb2 47.Ke1 Qc2 48.Kf1 Rb1) 46...Qb4 (46...Qb3 47.Kd4 Rd5) 47.Kd3 Rd5 (47...Qa3 48.Kc4 Rb3 49.g4 Qb4) 48.Kc2 (48.Ke2 Qe4 49.Kf2 Rd2 50.Kf1 Qb1) 48...Qd2 (48...Rd2 49.Kc1 Qb2) 49.Kb3 Rd3 50.Kc4 Qc3 (50...Qc2 51.Kb5 Rb3 52.Ka5 Qa2) 51.Kb5 (51.Kb5 Qb2 52.Kc6 Rc3 53.Kd7 Qb4 54.g4 Qe7). Fettito – vlancemarie. lichess.org, 2018.

8.0-0 c6 9.Nc3 dc4 10.Bc4 b5 11.Be2 =.

8.0-0 c6 9.Nc3 Qc7 10.d4 (10.cd5 ed5 11.Nd4 Bg6=) 10...Rfe8 (10...dc4 11.Bc4 Rfd8 12.Bd3=) 11.c5 Bf8 (11...Ne4 12.Ne4 Be4 13.Bd3=) 12.b5 (12.Nh4 Be4+=) 12...e5 (12...b6 13.bc6 Qc6 14.Bb5=) 13.a4 (13.de5 Ne5 14.Nd4=) 13...Bg4 (13...ed4 14.Nd4 Bg6 15.a5 Bc5 16.a6=+) 14.h3 (better is 14.Ne5!? Be2 15.Ne2 Ne5 16.de5+=) 14...Bf3 15.Bf3 ed4 16.ed4 g6 (16...b6 17.bc6 Qc6 18.Rc1=) 17.Re1 (17.bc6 bc6 18.Be2 Re7=) 17...Bg7 18.bc6 (18.Be2 Qf4+=) 18...bc6 (18...Re1 19.Qe1 bc6 20.Rb1=) 19.Qd2 Rab8 20.Re8 (20.Rab1 h6=) 20...Re8 21.Re1 Qd8 (21...Re1 22.Qe1 Qf4 23.Qe3 Qe3 24.fe3+=) 22.Re8 Qe8 23.Qe3 (23.Bc1 Ne4 24.Ne4 de4=) 23...Qe3 (23...Qb8 24.Bc1+=) 24.fe3 Kf8 25.a5 Ke7 26.Na2 (26.g3 h5=) 26...Kd8 27.Nb4 Kc7 28.Na6 Kb7 29.Nb4 Ne4 30.Be4 de4 31.Kf2? (31.d5 Bb2 32.dc6 Kc7 33.cd7 Kd7 34.Kf2–/+) 31...Nc5!–/+ 32.dc5 (32.g4!?–/+) 32...Bb2–+ 33.a6 Kc7 34.Kg3 (better is 34.Nc2!?–/+) 34...Ba3–+ 35.Nc2 Bc5 36.Kf4 Kb6 37.g4 Ka6 38.Ke4 Kb5 39.Kd3 a5 (39...f6 40.h4–+) 40.e4 a4 41.h4 (41.g5 a3–+) 41...a3 42.h5 (42.e5 a2–+) 42...Ka4 43.Kc4 Bd6 44.hg6 (44.h6 f6 45.Kd3 a2–+) 44...fg6 45.Na1 a2 46.Kc3 (46.Nb3–+) 46...Be5 47.Kc4 Ba1 48.e5 Be5 49.Kc5 a1Q 50.Kc6 Qd4 51.Kb7 h5 52.gh5 gh5 5.Kc6 Qd6 54.Kb7 Qc7 55.Ka6 Qc4 56.Kb7 Kb5 57.Ka7 Bd4 58.Kb8 Be5 59.Ka8?? Kb6?? (STALEMATE!!! (59...Qc6 60.Ka7 Qa6#)) ½–½. Slavisa666 – emptiness, Live Game Caissa's Web, 2004.

8.0-0 c6 9.c5 b6 10.cb6 ab6 =.

8.0-0 Ne4 9.d3 Nef6 10.Nbd2 c5 11.b5 a6 12.a4 ab5 13.ab5 Qc7 14.Nh4 Bg6 15.Ng6 hg6 16.Qb3 Rfd8 17.Bf3 Nb6 18.Ra8 Ra8 19.Rc1 dc4 20.Nc4 Nc4 21.Qc4 Qd7 22.d4 Ra5 23.Be2 b6 24.Bc3 Ra3 25.dc5 Bc5 26.Rd1 Qe7 27.Bf3 Ne8 28.Bd4 Qa7 29.Bc5 bc5 30.g3 Ra1 31.Ra1 Qa1 32.Kg2 Qa7 33.Bc6 Nd6 34.Qd3 Qb8 35.Qc3 Qb6 36.Qd3 Qb8 37.Qa3 Qb6 38.Qa8 Kh7 39.Qa6 Nc4 40.Qc8 Qa7 1–0. Batton,Thomas – Gauthier,David, Verbandsliga Nord Baden, 2007.

8.Nc3 dc4 9.Bc4 c5 (9...Nb6 10.Be2+=) 10.Qb3 (10.bc5 Nc5 11.d4 Nce4=) 10...cb4 11.ab4 Nb6 12.Be2 Nbd5 Attacking the isolated pawn on b4 13.b5 (13.Nd5 Nd5 14.b5 Qc7=) 13...Nc3 (13...Nb4 14.0-0+=) 14.Bc3 Ne4 15.0-0 Bf6 (15...Nc5 16.Qc4=) 16.Rad1 (16.Bf6!? Qf6 17.Rfc1+=) 16...Bc3 17.dc3 Qa5 (17...Qc7 18.c4=) 18.Rc1 (18.c4 a6=) 18...Rac8 Increases the pressure on the backward pawn (18...Rfc8 19.c4=) 19.c4 Rfd8 20.Qb2 h6 (20...a6 21.Nd4=) 21.Ra1 Qc3 22.Qc1 Qb4 23.Re1 Qc5 (23...Nc3 24.Bf1 Ra8 25.Qa3 Qa3 26.Ra3+=) 24.Nd4 Bg6 25.Bd3 (better is 25.Qa3 Ra8 26.Qc5 Nc5 27.Red1=) 25...Rd4?? (better is 25...e5 26.Nb3 Qb4–/+) 26.ed4+– Qd4 27.Be4 (better is 27.Qe3 Qe3 28.Re3+– (28.fe3?! a6+/–)) 27...Rc4+/– 28.Qe3 Qe3 29.Re3 (29.fe3?! Be4 30.Rec1 Rb4+=) 29...Be4 30.f3 (30.h3 Bd5=) 30...Bd5 31.Ra7 (31.Rb3 b6=) 31...Rb4 32.Ra5 b6 33.Ra7 Rb5 34.Rc3 Rc5 35.Rc7 Rc3 36.Rc3 b5 37.Rc8 Kh7 38.Rb8 Bc4 39.Kf2 Kg6 (39...g5 40.Ke3+=) 40.Rb7 (40.Ke3 h5+=) 40...f6 (40...Kf6 41.Ke3+=) 41.Ke3 Kh7 (41...h5 42.f4+=) 42.g3 (42.f4 Kg6=) 42...Kg6 43.h4 h5 44.Rc7 (44.f4!?=) 44...Bd5+= 45.Rc5 (45.Rd7 b4+=) 45...b4–/+ 46.Rb5 b3 47.Kf4 Kh6 48.Rb4 g5 49.Ke3 (49.hg5 fg5 50.Ke5 Kg7+=) 49...Kg6 50.hg5 (50.Rd4 gh4 51.Rh4 e5–/+) 50...fg5 51.f4 (51.Ra4 Kf5–/+) 51...gf4 (better is 51...h4 52.gh4 gh4–+) 52.Kf4+= Kf6 53.Rb8 (better is 53.Rb6!?+=) 53...e5–+ 54.Ke3 Be6 ½–½. Manzanilla,Rufino – Cattarinich,B, ITA Inps op–B, 1998. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 Bf5 4.e3 Nbd7 5.c4 e6 6.a3 Be7 7.Be2 0-0)

8.c5 Ne4 =.

8.Bc4 Nb6 9.Bb5 c6 10.Be2 =+.

8.Bc4 c5 9.Qb3 (9.bc5 Nc5 10.d4 Ncd7=) 9...0-0 (9...cb4 10.ab4 0-0 11.0-0=+) 10.d3 (10.d4 cb4 11.ab4 Nd5 12.Bd5 ed5 13.Qd5 Bb1 14.Rb1 Bb4 15.Ke2 b6=) 10...a6 (10...Nb6 11.0-0=+) 11.Qc3 (11.0-0 b5 12.Rc1 bc4 13.Rc4 Nb6 14.Rc5 Bc5 15.bc5 Nbd7–+) 11...Qb6 (11...cb4 12.ab4 Rc8 13.0-0=+) 12.bc5= Nc5 Black fights for the Initiative. 13.Ra2 (13.e4 Na4 14.Qe5 Be4–/+) 13...Rac8 14.Qd2 (14.Ne5 Na4 15.Qd2 Nb2 16.Rb2 Qc7–/+) 14...Rfd8 15.Nd4 Bg6 16.f4 (16.0-0 e5–+) 16...Qc7 17.0-0 b5 18.f5 ef5 19.Bb3 f4 20.Bc2 fe3 21.Qe3 Ng4 22.Qh3 Qd7 23.Nd2 Bf6 24.N2b3? Nb3 25.Nb3 Rc2 26.Bf6 Ra2 27.Bd8 Rb2 28.Na5 Qd4 29.Kh1 Nf2 30.Rf2 Rb1 (31.Rf1 Rf1#) 0–1. Piochacz,Petra – Klein,Annette, DLM–chTW Bad Homburg, 2000.

7.Nc3 a5 8.a3=.

7.Nc3 Bd6 8.c5 (8.Nh4 Be4 9.c5 Bc7=) 8...Bc7 9.Ne2 (9.Nh4 a5 10.Nf5 ef5=) 9...a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 e5 (12...0-0 13.Ng3=+) 13.Ng3= Bg6 14.Be2 (14.Nh4 h5=) 14...e4 (14...h5 15.Nh4=) 15.Nd4 (15.Nh4 0-0+=) 15...Ne5 (15...0-0 16.Bc3=) 16.b5 (16.f4 ef3 17.gf3 0-0=) 16...Qe7 (16...0-0 17.b6 Bb8 18.0-0=) 17.b6 Bb8 18.Qc3 (18.Ndf5 Qd7 19.Nh4 0-0=) 18...Ned7 (18...Nfd7 19.Ngf5 Qc5 20.Ng7 Ke7 21.Qc5 Nc5 22.0-0=) 19.Nb3 (19.Ngf5 Qc5 20.Ng7 Ke7 21.Ndf5 Bf5 22.Nf5 Ke6 23.Qc5 Nc5 24.Nd4 Ke7=) 19...Be5 (19...0-0 20.0-0=+) 20.Qc1 (20.Qa5 0-0=) 20...Ba1 (20...0-0!?=+) 21.Qa1+= Nc5?? (better 21...0-0 22.Qa7 Rb8=) 22.Nc5+– Qc5 (22...0-0 23.Qa5 Nd7 24.Nb7 Rb8+–) 23.Qa8 Ke7 24.Qh8 Qc1 (24...Qb6 25.Qg7 Qb2 26.0-0+–) 25.Bd1 Ng4 (25...Ne8 26.h4 h5 27.Nh5 Bh5 28.Qh5+–) 26.Qg7 (better 26.Qb8 Nf6 27.Qb7 Nd7 28.0-0+–) 26...Nf2 (26...Nf6+–) 27.Kf2 Qd2 28.Be2 (28.Be2 Ke6 29.Rd1+–) 1–0. Krivanek,V (2095) – Martirosyan,Artyom, Golden Prague Open, 2017.

7.d4 Bd6 8.Nbd2 0-0 9.Be2 Qe7 10.c5 Bc7 11.0-0 Bg4 12.Qc2 e5 13.de5 Ne5 14.Rae1 Bf3 15.Bf3 (15.Nf3 Nf3 16.Bf3 Be5=) 15...a5 16.a3 ab4 17.ab4 Nf3 18.Nf3 Ne4 19.Bd4 f5 20.g3 (20.Ra1 f4=) 20...Rae8 21.Rb1 Qd7 22.b5 f4 23.bc6 bc6 24.Rb7 fg3 25.fg3 Qc8 26.Rbb1 (26.Ra7 Qb8 27.Qa4 Re7–/+) 26...Qg4–/+ 27.Qg2 h6 (27...Qe6 28.Rb7 Re7 29.Qc2–/+) 28.Ra1 (28.Nd2 Rf5=+) 28...Rf7–/+ 29.Nd2 Rf1 30.Rf1 Ng5 31.Nf3 Nh3 32.Kh1 Rf8 33.Nh4 (33.Ne5 Rf1 34.Qf1 Be5–+) 33...Rf1–/+ 34.Qf1 Qe4 35.Qf3 Nf2 (35...Ng5 36.Qe4 Ne4 37.Nf5=) 36.Kg2=+ Qf3 37.Kf3 Ne4 38.Nf5 Kf7 39.Ng7 Nc5 40.Nf5 Nb3 41.Nh6 Kg6 42.Ng4 ½–½. Teichmann,Erik (2290) – Moskalenko,Viktor (2525), Metz op 9th, 1991.

7.d4 Be7 8.Nbd2 0-0 9.a4 Ne4 10.b5? (10.c5 b6-/+) 10...dc4 (better 10...Qa5-+) 11.Bc4=+ c5 (11...Qa5!? 12.Ke2 Ndf6=+) 12.0-0 b6 (12...Nd2!? 13.Nd2 cd4 14.Bd4 Bf6=) 13.Rfd1 (13.Rad1 Nd6+=) 13...cd4 (13...Bf6 14.Rac1+=) 14.Bd4 (14.Nd4 Ndc5 15.Qa2 Nd2 16.Rd2 Bf6+/-) 14...Ndc5 15.Bc5 (15.Qb2!? Bf6 16.Ne5 Be5 17.Be5+=) 15...Nc5= 16.Qa2 Qc7 17.Rac1 Qb7 (17...Rfd8 18.Nd4 Bg4 19.Re1=) 18.Nd4 Nd3?? (better 18...Bg4 19.f3 Bg5+=) 19.Nf5+- Nc1 20.Ne7 Qe7 21.Rc1 Rac8 22.Re1 (better 22.Nf3!?+-) 22...Rfd8+/- 23.Nf3 g5 (23...Qb4 24.Bf1+/-) 24.Nd4 (better 24.h3!? Qb4 25.Rc1 Rc5+-) 24...Qb4 25.Rc1 Rc5? (better 25...Rc4 26.Qc4 Qc4 27.Rc4 e5+-) 26.Nc6?? (better 26.g3+-) 26...Rc4 27.Rb1?? (27.Qc4 Qc4 Combination; 27.Rc4 Qe1 Mate attack) 27...Qc5 (27...Qc3 28.h4 (28.Nd8?? Qc1 29.Rc1 Rc1) 28...Rd2 29.Qa1 gh4 30.Qc3 Rc3 31.Na7-+) 28.Qa1 (28.Rf1 Rc2 29.Qb1 Rdd2-+) 28...Rd2 29.h3 (29.Rf1 g4 30.Ne5 Rb4-+) 29...Rdc2 (better 29...Rcc2!? 30.Rf1 Rb2 31.Nd4-+) 30.Qf6 Rc1?? (better 30...Rf4! 31.Ne7 Kf8 32.Ng6 hg6 33.Qh8 Ke7-+) 31.Rc1= Rc1 32.Kh2 Qd6 (32...Rd1 33.Ne5 Qf8 34.Ng4=) 33.Ne5 (33.f4 Rc6 34.Qg5 Kf8 35.bc6 Qc6 36.Qd8 Kg7 37.Qd4 f6=) 33...Rc7 34.Qg5 Kf8 35.f4 (35.Qh6 Kg8 36.Qg5 Kf8 37.Qh6 Ke8=) 35...Qe7 (35...f5 36.e4 fe4 37.Qf6 Ke8 38.Qg5=) 36.Qh6= Ke8 (36...Kg8!?=) 37.Nc6 (37.Qh7 Rc8+/-) 37...Rc6 38.bc6 Qd6 (38...f6!?+/-) 39.Qh7+- Qc6 40.Qg8 Ke7 41.Qg5 Kd7? (better 41...Kd6+-) 42.Qb5 Qb5 (42...a6 43.Qa6 Qd6+-) 43.ab5 Kc7 (43...e5 44.Kg3 Kd6 45.Kg4 ef4 46.ef4+-) 44.h4 a5 (44...Kd6+-) 45.ba6 b5 46.h5 b4 47.h6 b3 48.h7 b2 49.h8Q b1Q 50.Qc3 (better 50.a7 Qe4 51.a8Q Qa8 52.Qa8+-) 50...Kd7?? (better 50...Kb6+-) 51.Qd4 Ke7 (51...Kc7 52.Qa7 Kd6 53.Qf7 Qe1 54.Qf8 Kc6+-) 52.a7 Qh7 53.Kg3 Qg6 54.Kf2 Qc2 55.Kf3 Qc6 56.Qe4 (better 56.Kg3 Qa6 57.Qb4 Kf6+-) 56...Qa6 57.a8Q (better 57.Qa8 Kd7 58.Kg4+-) 57...Qf1 58.Kg3 Qe1 59.Kh3 Qh1 60.Kg4 f5 61.Qf5! ef5 (61...ef5 62.Kf5 Combination) 62.Kf5 (62.Kg5 Qg1+-) 62...Qh5 63.Ke4 Qg6 64.Kf3 Qh5 65.Kf2 Qh4 66.Ke2 Qg4 67.Kd3 Qd1 68.Kc4 Qc2 69.Kd4 Qd2 70.Ke5 Qe3 (70...Qd6 71.Kf5 Qe6 72.Kg5 Qf6 73.Kg4 Qg6 74.Kh4 Qf6 75.Kg3 Qg6 76.Kf2 Qc2 77.Kf3 Qd1 78.Kg3 Qe1 79.Kg4 Qe3 80.Qd5+-) 71.Qe4 (71.Qe4 Qb6 72.Kf5 Kf7 73.Qd5 Kf8 74.Qe6 Qc5 75.Kg6+-) 1-0. dale70 (2025) - pdragan54 (2095), Rated Blitz game, lichess.org, 2015.

7.Nd4 Be4 =+.

7.Be2 dc4 8.Bc4 Nb6 9.Be2 =+.

7.Be2 Bd6 8.d4 (8.cd5 cd5 9.Nh4 Bg4=+) 8...0-0 (8...dc4 9.Qc4 Nd5 10.a3=+) 9.Nc3 (9.c5 Bc7=) 9...h6 (9...Nb6 10.c5+–) 10.0-0= Qe7 (10...dc4 11.Qc4 Nb6 12.Qb3=) 11.b5 dc4 12.Bc4 c5 (12...Rac8 13.Rac1=) 13.a4 (13.Rfd1 Rfd8=) 13...cd4 14.Nd4 Bg6 15.Rfd1 Rac8 16.a5 Nc5 17.Qa2 e5 18.Nde2 Rfd8 19.Nd5 (19.Rac1 Bf5=) 19...Nd5=+ 20.Bd5 Nd3 21.e4 Nb4 22.Qb3 (22.Qa4 A) 22...Nd5?! 23.Rd5 (23.ed5?? Rc2–+) 23...Bh5 24.Ng3=+; B) 22...Rc2–+) 22...Nd5 23.Qd5 Bb8 24.Qb3 Be4 25.Nc3 Bf5 26.Nd5 Qe6 27.Qf3 Bc2 28.Rd2 e4 29.Qh5 e3! 30.fe3 (30.Ne3 Rd2) 30...Bb3 31.e4 Qe4 (better is 31...Bc2=+) 32.Qh6!–+ gh6 (32...Rc1 33.Rc1 Bh2 34.Kh2 Qe5 35.Be5 gh6 36.Nf6 Kg7 37.Rd8 Kg6 38.g4 Kg5 39.Rg8 Kh4 40.Bg3) 33.Nf6= Kf8 34.Ne4 (34.Rd8 Rd8 35.Ne4 Bc4=) 34...Rd2 35.Nd2 Rc2?? (better is 35...Be6=) 36.Ba3+– (36.Nb3?! Rb2 37.Nc5 Bf4 38.Nb7 Rb5=+) 36...Kg8 37.Nb3 Be5 38.Rb1 Ra2 39.Bc5 (39...Bc3 40.Ba7 Ba5 41.Rc1+–) 1–0. Kreuzer,Uwe – Freund, Mannheim GER, 1991.

7.Nc3 0-0 8.cd5= Nb6 (8...a5 9.a3 ab4 10.ab4 Ra1 11.Ba1=) 9.Nd4 Nbd5 10.Nf5 ef5 11.a3 c6 (11...Nc3 12.Qc3 Qd7 13.Rc1+=) 12.f4 (12.Nd5 Nd5 13.Bd3 Qd7=) 12...Re8 (12...a5 13.ba5 Qa5 14.Nd5 (14.Qb7? Rfb8 15.Qc6 Rb2–+) 14...Nd5 15.Bc4+= (15.Qb7? Rab8 16.Qa6 Qa6 17.Ba6 Rb2–+)) 13.Be2 Bf8 (13...a5 14.ba5 Qa5 15.Bc4+= (15.Qb7? Rab8 16.Qa6 Qa6 17.Ba6 Rb2–+)) 14.Nd5 Nd5 15.0-0 Re6 (15...Qd7 16.b5=) 16.Bc4 Rh6 (16...b5 17.Bd5 Qd5 18.Qd5 cd5 19.Rfc1+=) 17.Bd5 cd5 18.Rac1 Qd7 19.Bd4 a6 (19...b5 20.Rc3+=) 20.Qb2 (20.Qd3 a5+/–) 20...Rg6 21.Rc2 Rc8 22.Rfc1 Rc2 23.Rc2 (23.Qc2 Rc6 24.Qd1 Qe6+=) 23...h5 (23...Qb5!?=) 24.Qc1+= Qb5 25.Rc8 Rc6 26.Rc6 Qc6 27.Qc6 bc6 28.Kf2 f6 29.Ke2 Kf7 30.Kd3 (30.Bc5 Bc5 31.bc5 h4+/–) 30...Ke6 (30...Bd6 31.Bc5 Bc7 32.h4+=) 31.Kc3 (31.Bc5 Bc5 32.bc5 h4+/–) 31...Be7 32.Bb6 Kd7 33.Kd4 Bd6 34.Kd3 (34.h4 g6+=) 34...g5 35.g3 Be7 36.Kd4 (36.h4 Bd6+=) 36...g4 37.Kc3 Kc8 38.Kd3 Kd7 39.Bd4 Bd8 40.Bc5 Kc7 41.Kc3 Kb7 42.Kd4 (42.a4 Kc7+=) 42...a5 43.ba5 Ba5 44.d3 (better is 44.Kd3!?+=) 44...Be1 45.Be7?? (better is 45.a4+=) 45...Bg3!–+ 46.Bf6 (46.hg3 h4 Decoy) 46...Bh2 47.Ke5 g3 48.Bh4 g2 49.Bf2 g1Q (better is 49...h4 50.Kf5 Bg3 51.Bg1–+) 50.Bg1 Bg1 51.Kf5 Be3 52.Kg5 (52.a4 Bf4! 53.a5 c5 54.Kf4 h4–+) 52...h4! 53.Kh4 Bf4 0–1. Jacobi,Karl Heinz – Urbanek,Paul Gerhard, Lueneburg distr–ch, 1995.

7.Nc3 dc4 8.Bc4 Nb6 9.Nd4 =.

7.Nc3 c6 8.d4 0-0 9.a4 Ne4 10.Be2 Ndf6 11.0-0 Bg4 12.Rfd1 Nc3 13.Bc3 Ne4 14.Be1 f5 15.b5 Rf6 16.Ra2 Rh6 17.Ne5 (17.h3 Bf3 18.Bf3 Bd6=) 17...Be2= 18.Re2 White is in command 18...Bd6 19.f3 Nf6 (19...Nc5 20.Qc2 Be5 21.de5=) 20.Bb4 dc4 21.Qc4 Nd5 22.Bd6 Qd6 23.bc6 bc6 (23...Rc8 24.Qb3 bc6 25.Qb7+/–) 24.Rc1+– (24.Qc6?! Qc6 25.Nc6 Nc3=) 24...Rc8 25.Qa6 Ne7 (better is 25...Rc7!?+/–) 26.Qa7+– Qa3 (26...Qd8 27.a5+–) 27.Qc5 Qc5 28.Rc5 Ra8 29.a5 Rb8 (29...Kf8 30.Ra2+–) 30.h3 f4 31.e4 (31.ef4 Rf6+–) 31...Rb4 32.Ra2 Rd4 33.a6 Nc8 (33...Rd1 34.Kf2 Rd8 35.a7+–) 34.Rc6 Na7 (34...Rd8 35.a7 Na7 36.Ra7+–) 35.Rc7 Rh5 (35...Rd8 36.Ra7 Rf6 37.Rb7+–) 36.Ra7 Rd1 37.Kf2 Re5 (37...Rd8 38.Nc6 Rf8 39.Rb7+–) 38.Rb7 Rc5 39.a7 h5 40.a8Q (40...Rd8 41.Qd8 Kh7 42.Qf6 Rg5 43.Qg5 h4 44.Qg7#) 1–0. Teichmann,Erik – Mannion,Stephen, Great Britain, 1985.

7.cd5 ed5 8.Be2 a5 =+.

7.Be2 dc4 8.Qc4 Nb6 9.Qb3 =+.

8.Nbd2 a5 9.a3 a4 10.Qc3 c6 11.Bd3 Bd3 12.Qd3 Qb8 13.0-0 b5 14.c5 Ng4 15.g3 h5 16.h3 Ngf6 17.Kg2 e5 18.de5 Ne5 19.Be5 Qe8 20.Qf5 Nd7 21.Bd4 f6 22.Qc2 Bd8 23.Rae1 Bc7 24.Nh4 Ne5 25.f4 Nc4 26.Nc4 bc4 27.Nf5 g6 28.Nd6 Bd6 29.cd6 f5 30.Bc5 Qd7 31.Qc3 Rfe8 32.Qf6 Kh7 33.Bd4 Rg8 34.Qg5 Rae8 35.Be5 Rb8 36.Rb1 Rbe8 37.Rb2 Rb8 38.Rfb1 Rbe8 39.b5 c5 40.b6 Rb8 41.Qe7 Qe7 42.de7 Rge8 43.Bd6 Rb7 44.Bc5 c3 45.Rc2 d4 46.ed4 Kg7 47.Rc3 Kf7 48.Re3 1-0. husref (1685) - dezm1962 (1650), Rated Classical tournament, lichess.org.

8.Nbd2 a5 9.ba5 c5=.

8.Nbd2 a5 9.b5 c6 10.a4 cb5 11.ab5 dc4 12.Bc4 Nb6 Black plans a4 13.Bd3 a4 14.Qc2 Rc8 15.Qb1 Bd3 16.Qd3 Nbd5 (better 16...Qc7!?=+) 17.Ra4+= Nb4 (17...Qb6 18.0-0+=) 18.Qb3+/- Nc2 19.Ke2 Nb4 (better 19...Nd5!?+/-) 20.Rb4 Bb4 21.Qb4 Nd5 22.Qb3 Qa5 (22...Qf6 23.Rd1+-) 23.Ra1 Qc7 24.Rc1 Qa5 25.Nc4 Qd8 26.Ba3 Re8 27.Nfe5 Qh4 28.Rh1 (better 28.Nd6!? Rc1 29.Bc1 Ra8+-) 28...Qh5 29.g4 (29.Nf3 Qg4+-) 29...Qh3 30.Nd6 Qg2 (30...Rc3 31.Qb2 Qg2 32.Ne8 Re3 33.Kd2 Rc3=) 31.Rf1?? (31.Nc8 Qh1 32.Nd6 Ra8+-) 31...f6?? (31...Rc3!? 32.Qa4 Re3 33.Kd2 Rf8-+) 32.Nf3?? (32.Nec4 Qg4 33.f3 Qh5+-) 32...Qg4?? (better 32...Nc3 33.Ke1 Qf3=) 33.Ne8 (33.Rg1 Qh5 34.Bb2 Kh8+-) 33...Re8 (33...Rc3 34.Qa4 Nf4 35.Kd2 Rd3 36.Kc1 Qf3+-) 34.Rg1 Qh5 35.Bd6 (better 35.e4 Nf4 36.Ke1+-) 35...g5 (35...Rc8 36.Bc5 b6+-) 36.e4 Nb6 37.e5 fe5 (37...h6 38.ef6 Nd5+-) 38.Rg5 Qg5 39.Ng5 (39.Ng5 Nd5 40.Ne6 ed4 41.Qd5 h6 42.Kf3 d3 43.Nc7 Kh7 44.Qf7 Kh8 45.Ne8 d2 46.Be5) 1-0. jhonores (2235) - Avf88 (2175), Rated Blitz game, lichess.org, 2020.

8.Nbd2 c6 9.Be2=+.

8.0-0 a5 9.a3 ab4 (9...dc4 10.Bc4 Nb6 11.Rc1+=) 10.ab4 Ra1 11.Ba1 dc4 12.Bc4 Nb6 (12...c6 13.Nd4+=) 13.Nd4 (13.d3 Nc4 14.dc4 Qd3+=) 13...Bg6+= 14.Be2 (14.d3 Qd6 15.Nb5 Qb4 16.Qb4 Bb4 17.Bf6 gf6 18.Nc7 Rc8–+) 14...Nfd5 Attacks the isolani on b4 15.b5 e5 (15...Bf6 16.Bb2+=) 16.Nf3= e4 17.Ne5 Bf5 18.Nc3 (18.d3 ed3 19.Bd3 Bd3 20.Qd3 Bd6=) 18...Bf6 19.Nd5 Qd5 20.Qd5 Nd5 21.f4 (better is 21.Bc4 Nb6 22.Bb3=) 21...ef3 (21...Be7 22.g4 Bc8 23.Bc4+=) 22.gf3 (better is 22.Bf3!? Be6 23.Bd5 Bd5 24.Nd7+/–) 22...Bh3 (22...Ra8 23.Bd4=) 23.Rc1 Ra8 24.Bc4 Be6 (24...Nb6 25.Bf7 Kf8 26.Bb3 Ra1 27.Ra1 Be5 28.Ra7=) 25.Bd4+= Bd8 (25...Rd8 26.f4=) 26.Nd3 c6 27.bc6 bc6 28.e4 Nc7 (28...Ne7 29.Be6 fe6 30.Be3+=) 29.Be6 (29.Be3!?+/–) 29...Ne6+= 30.Be3 Rc8 (30...Ra3 31.Nc5+/–) 31.Rc4 f6? (31...Be7 32.Ne5 Nd8 33.Ra4+=) 32.Kf2 (better is 32.Nb4!?+–) 32...Be7+= 33.Nf4 Nf4 34.Bf4 Kf7 (34...g5 35.Be3+=) 35.d4 Ke6 36.d5 ½–½. Koerner,Helmut (1965) – Schmidt,Juergen (2015), 9th Berlin Germany, Lichtenberger Somme, 2010.

8.0-0 a5 9.ba5 Nc5 10.Qc3 dc4 11.Qc4 Ra5 12.Bf6 Bf6 +=.

8.0-0 a5 9.b5 =+.

8.0-0 c5 9.b5 Qc7+=.

8.0-0 c5 9.a3 h6 (9...cb4 10.ab4 dc4 11.Bc4=+) 10.Nc3 (10.cd5 ed5 11.Nc3 Be6=) 10...Nb6 (10...dc4 11.Qc4 Nb6 12.Qb5=+) 11.bc5 (11.d3 Rc8 12.Rad1 a6=) 11...Bc5 (11...Nc4 12.d4 (worse 12.Qb7 Rb8 13.Qa7 Rb2-/+) 12...Nb2 13.Qb2=) 12.d4 (12.cd5 Nbd5 (12...Nfd5? 13.e4+-) 13.Na4 Bd6+=) 12...Be7 (12...dc4 13.Bc4 Nc4 14.dc5 Nb2 15.Qb2=) 13.c5+= Nbd7 14.Rfc1 (worse 14.Qb7 Rb8 15.Qa7 Rb2-/+) 14...a6 15.a4 (worse 15.Qb7 Rb8 16.Qa6 Rb2-/+) 15...Ne4 16.Ba3 (16.Qb7 Rb8 17.Qa6 Rb2-+) 16...Rb8 17.h3 (17.Ne4 Be4 18.Qd1 Qa5+=) 17...Qc7= 18.Ne4 Be4 19.Nd2 Nf6 (19...Bf5 20.Ra2=) 20.Ne4+= Ne4 21.Bd3 f5 (21...Qc6 22.f3 Ng3 23.Rcb1+=) 22.Ra2 Rf6 23.Rb2 Rg6 (23...Qc6!?+/-) 24.Ba6! f4 (24...ba6 25.Qb8 Pinning (25.Qb8 Deflection)) 25.Qb6+- (25.Bb7 f3 26.g4 Bh4-/+) 25...Qb6 26.Rb6 (26.cb6?? Ba3 27.Rbc2 Bc1-+) 26...fe3 27.fe3 Ng3? (better 27...Bg5!? 28.Re1 Bh4+/-) 28.Re1 (28.Rcb1 Bg5 29.Bc1 Ra8 30.Bb7 Ra4 31.Bd5 Ne2 32.Kf1 Rf6 33.Ke2 ed5 34.Rf6 Bf6+-) 28...Bg5?! (28...Ra8 29.Bd3 Rf6+-) 29.Rb7 Rb7 30.Bb7 Nf5 31.Bc1 Kf7 (31...Bd8+-) 32.a5 Nh4 33.a6 Ng2 (33...Be3 34.Re3 Rg2 35.Kf1+-) 34.Kg2 Be3 (34...Bh4 35.Kf3 Rg3 36.Kf2 Rg5 37.Kf1 Rf5 38.Ke2 Rf2 39.Kd3+-) 35.Kf3 (better 35.Kh2 Bc1 36.Rc1 Rf6+-) 35...Bd4 36.Be3 (36.a7 Rf6 37.Kg4 Rg6 38.Kh5 Rf6+-) 36...Rf6 37.Ke2 Be3 38.Ke3 Rf5 (38...Ke7+-) 39.a7 1-0. theskandinavien (2150) - dinofan (1875), gameknot.com, 2022.

8.0-0 c5 9.cd5 cb4 10.de6 (10.Nd4 Nc5 11.Qb4 Nd5–/+) 10...Be6–/+ (10...fe6 11.Nd4 Nd5 12.Nf5 Rf5 13.d4+=) 11.Qd1 Rc8 (11...Qa5 12.Nd4+=) 12.Nd4+= Qb6 (12...Bd5 13.a3=) 13.Ne6 Qe6 14.d4 Rfd8 (14...Ne4 15.Bd3 Nb6 16.Nd2 Nd2 17.Qd2+=) 15.Bd3 (15.Nd2 Nb6=) 15...Nb6 (15...Ne4 16.a3 b3 17.Be4 Qe4 18.Qb3=) 16.Nd2= Nfd5 17.Qf3 Qf6 (17...g6 18.Rac1=) 18.Qh3 (18.Bf5 Rc6=) 18...g6 19.Rac1 Qg7 (19...Qe6 20.Qf3=) 20.Ba1 (20.Rc8 Rc8 21.Nc4 Qf6+= (21...Rc4? 22.Bc4 f5 23.Bd3+–)) 20...Nc3 (20...f5 21.g4 fg4 22.Qg4+=) 21.a3+= a5 22.Qf3 (22.ab4 ab4 23.Ne4 Nbd5+=) 22...Rc7 (22...Rc6 23.Rc2=) 23.ab4 (23.Rc2 Nbd5=) 23...ab4 (worse is 23...Bb4 24.Bc3 Bc3 25.Nb1+/–) 24.Nb3 (24.Rc2 Nbd5=) 24...Nba4 (24...f5 25.Rc2=) 25.g3 (25.e4 Qf6=) 25...f5 26.h4 (26.Na5!?=) 26...Qf7–/+ 27.Na5 Ra8 (27...b3 28.Bc3 Nc3 29.Nb7–/+) 28.Nb7 (28.Bc3 Nc3 (28...Rc3?? 29.Rc3 Nc3 30.Bc4 Ra5 31.Bf7 Kf7 32.Qb7+–; 28...bc3?! 29.Nb7 Ra7 30.Bc2=) 29.Ra1 Rac8 30.Nb7 Bf8–/+) 28...Ra7–/+ 29.Nc5 Bc5 30.Bc3 Nc3 31.dc5 Rc5 32.Qf4 Qc7 (32...b3 33.Qb4 Rac7–/+) 33.Ra1? (better is 33.Qb4!? Ne2 34.Be2 Rc1 35.Qd4+=) 33...Qf4–+ 34.gf4 (34.ef4 Rd7 35.Bb1 Rb7–+) 34...Rd7 35.Ra8 (35.Bb1 Rb7–+) 35...Kg7 36.Ba6? (better is 36.Bb1 Rb7 37.h5–+) 36...Ra5 37.Kg2 (37.Re1 Rd2 38.Kf1 b3–+) 37...Rd6 38.Rb8 Raa6 39.Rb5 (39.Rb4 Rd2–+) 39...Rd7 (better is 39...Nb5 40.Rb1 Ra4–+) 40.Rc1 (40.Rb4 Rd2 41.Rc4–+) 40...Na2 (40...Na2 41.Rg1 h5–+) 0–1. Collas,Didier (2375) – Alcazar Jimenez,Victor Manuel (2245), IX Open, Albacete ESP, 2001.

8.Nd4 Bg6 =+.

7.c5 Be7 =.

7.cd5 ed5 8.Nd4 =+.

8.c5 Be7 9.Be2 c6 10.a4 (10.0-0 b6=) 10...Ne4 11.0-0 Bf6 12.Ra3 g6 (12...Qc7 13.Bd3=) 13.Ba1 a5 14.b5 Re8 (14...Rc8 15.h3 g5 16.b6+=) 15.Qc1 (15.Nc3 Bg7+=) 15...Rc8 16.Rd1 (16.Nc3 Bg7+=) 16...b6 17.bc6 Rc6 18.Bb5 Rc7 19.c6 Rf8 (19...Nb8 20.Nbd2=) 20.Nc3+= Nb8 21.Ne5 Qd6 (21...Nd6 22.Rb3=) 22.Rb3 (22.g4 Be7 23.Bb2 Nc3 24.Rc3 Be4+/–) 22...Rfc8 23.Ne4 Be4 24.f3 Nc6 (better is 24...Bf5 25.g4 Bh8 26.gf5 f6+–) 25.Ng4?? (25.Nc6!? Rc6 26.Bc6 Rc6+–) 25...Bd4?? (25...Bg7 26.fe4 Nd4 27.Qc7 Qc7 28.Bd4 Qc2= (worse is 28...de4 29.Rc3 Qc3 30.Bc3 Rc3 31.Rd8 Bf8 32.Ne5+/–)) 26.ed4+– (26.fe4?! Ne5 27.Nf6 Kg7 28.Qc7 A) 28...Rc7?? 29.Ne8 Kf8 30.Bd4+– (30.Rd4?? Rc1 31.Bf1 Ke8–+; 30.ed4 Qe7 31.de5 Rc2+–); B) 28...Qc7 29.ed4 Qc2+=) 26...Nd4 (better is 26...Bf5 27.Nh6 Kg7 28.Nf5 ef5+–) 27.Qh6 Nf3 (27...e5 28.fe4 de4+–) 28.Rf3 Qc5 (28...e5 29.Nf6 Qf6 30.Rf6+–) 29.Bd4 (29.Kh1 f5 30.Nf6 Kh8 31.Nh7 e5 32.Nf6 Rh7 33.Qh7) 29...Qd4 30.Rd4 Kh8 31.Nf6 Rc1 32.Rf1 Rf1 33.Kf1 (33.Bf1 g5 34.Re4 de4 35.Qh7) 33...g5 (33...Bg2 34.Kg2 Rc2 35.Kf3 Rc3 36.Rd3 Rd3 37.Bd3 b5 38.Qh7) 34.Re4 Rc1 35.Re1 Re1 36.Ke1 e5 37.Qh7 1–0. NN – SuperConstellation4, 1987.

8.c5 Be7 9.Be2 Ne4 10.Bb2 (10.0-0 Ndf6=) 10...a5=+ 11.b5 b6 12.c6 Ndf6 (12...Bb4 13.Nbd2 Nd2 14.Nd2=) 13.0-0= Bd6 14.Nc3 (14.Ba3 a4=) 14...Re8 (14...Nc3 15.Bc3 Ne4 16.Rc1=) 15.a4 (15.Ne5 Nc3 16.Bc3 Ne4=) 15...Rc8 (15...Nc3 16.Bc3 Ne4 17.Rc1=) 16.Qb3 (16.Ne5 Qe7=) 16...Nc3 17.Qc3 Ne4 18.Qb3 Bg4 (18...Bb4 19.Ba3 Nc3 20.Bd1=) 19.Qc2 (19.Ba3 Nd2 20.Nd2 Be2+=) 19...Bh5 (19...Bf3 20.Bf3 f5 21.Ba3+=) 20.Rad1 (20.Ne5 Be2 21.Qe2 Qf6=) 20...Nf6 (20...Qf6 21.Ne5 Be2 22.Qe2 Be5 23.de5=) 21.h3 Bg6= 22.Qb3 Be4 23.Ne5 h5 24.Rd2 Bf5 25.Rdd1 Ra8 26.Nd7 Nd7= 27.cd7 Qd7 28.Bh5 c6 29.bc6 Qc6 30.Rc1 Qb7 31.Bf3 Rac8= 32.Qb5 Qb8 33.Qe2 Rc1 34.Rc1 Be4 35.Be4+= de4 36.Qg4 Qb7 37.d5 f5 38.Qg6 Qf7 39.Qf7 Kf7 40.Rc6 Bb8 41.d6 Rd8 42.Be5 Kg8 43.Rb6 Kh7 44.Bf4 Rh8 45.d7 Bf4 46.ef4 Rd8 47.Rd6 g6 48.g4 Kg7 49.Kg2 Kf7 50.Kg3 Ke7 51.Ra6 Rd7 52.Ra5 Rd3 53.Kg2 Rd2 54.Re5 Kd6 55.a5 Rd5 56.Rd5?? ed5 57.gf5 gf5+– 58.a6 Kc7 59.h4 Kb6 60.h5 d4 61.h6 d3 62.Kf1 d2 63.Ke2 e3 64.fe3 d1B 65.Kd1 1–0. SuperForte 5 Mhz – PowerChess 5 3 80286 12Mh, 1994.

8.Be2 dc4 9.Bc4 Nd5 10.Bd5 ed5 11.0-0 –/+.

8.Be2 c6 9.0-0 (9.c5 Bc7=) 9...Qb8 (9...dc4 10.Bc4 Nd5 11.Qa4=+) 10.Nbd2 Ne4 11.Qb3 Nc3 12.Qc3 Nf6 (12...e5 13.Rfd1=) 13.c5 Bc7 14.a4 Ne4 15.Qb2 (15.Qc1 Qd8=) 15...Nd2 (15...b6 16.Ra2=) 16.Qd2 Be4 17.h3 Qd8 18.b5 Rc8 (18...Qf6 19.Rfd1=) 19.bc6 bc6 20.Ne5 Be5 21.de5 Qg5 22.f3 Bf5 23.f4 Qg6 24.Kh2 Be4 25.Ba6 Rb8 26.Ra2 Rb3 27.Rb2 Rfb8 28.Rb3 Rb3 29.g4 h5 30.Be2 hg4 31.Bg4 Qh7 32.Kg1 Qh4 33.Kh2 Ra3 34.a5 d4 35.Qb2 Re3 36.Qf2 Qf2 37.Rf2 Rc3 38.Kg1? d3 39.Bd1 Rc5 40.h4 Ra5 41.Kf1 c5 42.Rb2 Ra1 43.Ke1 Bf3 44.Rd2 c4 45.Kf2 Bd1 46.f5 c3 47.Rd3 c2 48.Rd8 Kh7 49.Rc8 0–1. SuperForte 5 Mhz – Mephisto Mondial12, 1994.

7.a3 Bb1 8.Qb1 c6 9.d4 b5 10.Bd3 a4 11.0-0 Qc7 12.Ne5 g6 13.f3 Bh6 14.Qe1 Ne5 15.de5 Nd7 16.f4 0-0-0 17.g4 (17.Rd1!?+/–) 17...Bg7 18.g5 (18.Qh4!?=) 18...h6+= 19.h4 (19.gh6 Rh6 20.e4 Rdh8+=) 19...Rdg8 20.Bd4 hg5 21.hg5 Ne5 22.Bb5? (22.fe5 Be5 23.Ra2 Bh2 24.Kg2–/+) 22...cb5–+ 23.Qc3 Nf3 24.Rf3+= Bd4 25.ed4 Rh4 26.Raf1 Rgh8 27.Kf2 Rf4 28.Ke2 Rf5 29.Qe3 Qh2 30.Kd3?? Qa2 31.Qc1 Qb3 32.Qc3–+ Qc3 33.Kc3 Rh2 34.Rf5 gf5 35.Re1 Kd7 36.Rg1 Ra2 37.g6 Ra3 38.Kb2 Rd3 39.g7+– (39.g7 Rd4 40.g8Q Rb4 41.Ka1+–) 1–0. Giminez,Randy – Montero,J (1780), NAO, Stillwater USA, 2010.

8.ab4 c6 9.Na3 Be7 10.Be2 0-0 11.Nh4 Bg6 12.0-0 b6 13.Ng6 hg6 14.b5 (better is 14.d4!?+=) 14...bc5+= 15.bc6 Nb8 16.Bb5 Qc7 17.f4 Nc6 18.Rf3 Ne4 (18...Rfb8 19.Bc6 Qc6 20.Be5–/+) 19.Bd3 Bf6 20.Bf6 Nf6 21.Rh3 e5 22.Nb5 Ra1 23.Qa1 (23.Nc7?? Rd1 24.Bf1 Rb8–+) 23...Qe7 24.fe5 Ne5 25.Bf1 Ne4 26.d3 Nf6 27.Qe1 (27.d4!? Neg4 28.Qa3–/+) 27...g5–+ 28.Rg3 Nh5 29.Rh3 g6 (29...Nf4!? 30.Rg3 Nfd3 31.Qd1–+) 30.Nc3 (30.d4 cd4 31.Nd4 Nf6–/+) 30...Rd8 (30...d4 31.Nd1–+) 31.Be2? (31.Qf2 g4 32.Rh4 d4–+) 31...Ng7 (better is 31...g4!? 32.Rh5 gh5–+) 32.e4 d4 33.Nd5 Qe6 Black prepares the advance g4 (33...Rd5 34.ed5 g4 35.Qh4 Nf3 36.gf3 Qe3 37.Kf1 gh3 38.Qd8 Qe8 39.Qe8 Ne8 40.Kf2–+) 34.Qg3 g4?? 35.Qh4+= gh3 36.Qd8 Kh7? 37.Nf6 Kh6 38.Qh8 Kg5 39.Ng8?? Kf4? 40.Qh4+– Ng4 41.Qg3 Kg5 42.gh3 Nh5 43.h4 1–0. Aloma Vidal,Roberto (2215) – Tierraseca Montero,Pablo (2045), ESP–ch U16 Mondariz, 2004. (=1.Nf3 Nf6 2.b4 d5 3.Bb2 Bf5 4.e3 e6 5.c4 Nbd7 6.c5 a5 7.a3 ab4)

9.Ba1 Qc8 10.Nc3 c6 11.Nd4 Bg6 12.Be2 Be7 13.0-0 0-0 14.Qb3 (14.f4 b6=) 14...e5 15.Nf3 Qb8 16.Na4 Bh5 17.Qd1 e4 18.Nd4 Be2 19.Qe2 Qa7 20.Bc3 Ra8 21.Nf5 Bd8 22.Ra1 b5 23.cb6 Nb6 24.Bd4 Qa6 (better is 24...c5 25.Bc5 Qd7 26.Bb6 Bb6=) 25.Qa6+/– Ra6 26.Nb6 Ra1 27.Ba1 Bb6 28.Bf6 gf6 29.Ne7 Kf8 30.Nc6 Ke8 31.Kf1 (31.b5 Bc5+–) 31...Kd7+/– 32.b5 Kd6 33.Ke2 Kc5 34.Nd4 Kc4 35.f3 Bd4 36.ed4 ef3 37.Kf3 Kb5 38.d3 (better is 38.Ke3+/–) 38...Kb4+= 39.g4 Kc3 40.Ke3 Kc2 41.h4 h6 ½–½. Svoboda,Jaroslav (1995) – Svoboda,Jan (1765), Most op, 2004.

10.Nc3 b6 11.Nb5 Qb7 12.Bf6 Nf6 13.d4 =.

10.Nc3 b6 11.d4 bc5 12.dc5= Qa3 (12...Bc2 13.Qc2 Qa1 14.Nb1=) 13.Qa4+= Qc1? (13...Qa4!? 14.Na4 Be7+=) 14.Nd1+– Bc2? (better 14...Be7 15.Nd4 0-0+–) 15.Qa8+– Ke7 16.Be2 g6 (16...d4 17.Bb2 Be4+–) 17.Bb2 Qb1 18.Nd2 Bg7 19.Qa7 Qb2 20.Nb2 Ne4 (20...c6 21.Bd3 Ng4 22.Bc2 Bb2 23.b5 cb5 24.c6+–) 21.f3 Nc3 (21...Bb2 22.fe4 Be5 23.ed5 ed5 24.Nf3 Bc3 25.Kf2 Bb4 26.Qc7 Bc5 27.Ne5+–) 22.c6 Nf6 (22...Ne2 23.Qc7 Rd8 24.Ke2 Be5+–) 23.Qc7 Kf8 24.Qd6 Kg8 25.Qd8 Bf8 26.c7 Kg7 27.c8Q Ne2 28.Ke2 Rg8 29.Qc3 (29.Qc3 Kh8 30.Qcf6 Bg7 31.Qfe7+–) 1–0. Pereira – Almensaar, internet, 2021.

10.Nc3 b6 11.d4 Be7 12.Qa4 0-0 13.Bb5 Rd8 (13...bc5 14.bc5 Qa4 15.Ba4=) 14.Bb2 Bg4 (14...Qa4 15.Ba4 bc5 16.bc5=) 15.Nd2 (15.Qa8 Ra8 16.Bc6 Ra7=) 15...bc5 16.bc5 Qa4 17.Ba4 Nf8 (17...Rb8 18.Bb5=) 18.f3 (18.Bc6 Rb8 19.Bc1 Ng6=) 18...Bh5 (18...Rb8 19.Bb5 Bf5 20.g4=) 19.0-0 e5 (19...Bg6 20.Ra1=) 20.Bc6 (20.de5 Bc5 21.ef6 Be3 22.Rf2 Bf2 23.Kf2 d4+=) 20...ed4 21.ed4 Ne6 22.Ne2 (22.Re1 Bg6+=) 22...Rb8= 23.Bc3 Bg6 24.Ra1 Nd8 25.Ba4 c6 26.Ba5 Bd3 27.Kf2 Ne6 28.Bc3 Rc8 (28...Nd8 29.Ke3 Bf5 30.Ng3+=) 29.Ke3+= Bg6 30.Ra2 Nd7 31.Nb3 f5 32.Na5 Nd8 33.Rb2 Kf8 34.Nb7 Ne6 35.Nd6 Bd6 36.cd6 Be8 37.Rb7 g5 38.Bc2 f4 39.Kd2 h5 40.Nc1 Rb8 41.Ra7 Nb6 42.Bf5+/– Nc4 43.Kd3 Ng7 44.Bh7 Nd6=+ 45.Na2 Rb7 46.Rb7 Nb7 47.h4 Ne6 48.Bf5 Nbd8 49.Nc1 Kg7 50.Ne2 Bg6 51.Bg6 Kg6 52.Bd2 c5 53.dc5 Nc5 54.Kc3 Ne4?? 55.fe4+– de4 56.Nd4 f3? 57.gf3+= ef3 58.Nf3 gh4+= 59.Nh4 Kf6 60.Kd4 Ne6 61.Ke3 Ke5 62.Bc3 Kd5 63.Ba1 Nc5 64.Kf4 ½–½. Bungo,Gregory – Rothman,Sheldon, corr NTC, 1991.

10.Nc3 c6 11.Be2 Qa3 12.0-0 (12.Qa4!? Qa4 13.Na4=) 12...Qb4–/+ 13.d4 Be7 (13...b6!? 14.cb6 Qb6=+) 14.Nh4= 0-0 15.Nf5 ef5 16.Qb1 (16.Qc2!?=) 16...Qb1=+ 17.Rb1 Rb8 18.f3 b5 19.cb6 Rb6 20.Rc1 Ba3 21.Rb1 (21.Rc2 Bd6=+) 21...Rb1–/+ 22.Nb1 Bc1 23.Kf2 f4 24.ef4 Bf4 25.g3 Bd6 26.Nc3 Nb8 27.Nd1 Kf8 28.Ne3 g6 29.Bc3 Ke7 30.Bd3 Nbd7 (30...c5 31.dc5 Bc5 32.Bb2–/+) 31.Ke2 Nf8 32.Bc2 Ba3 (32...h5 33.Ba4 Kd7 34.Kd3–/+) 33.Ba4=+ Kd7 34.Nc2 Bd6 35.Bd2 Ne6 36.Kd3 Kc7 37.Ke2 Kb6 38.Be3 c5 39.Bb3 (39.dc5!? Bc5 40.Bc1–/+) 39...c4–+ 40.Ba2 Kb5 41.Bd2 Ne8 42.Bc3 N8c7 43.Kd2 Kc6 44.Ne3 Nb5 (better 44...Bf8 45.Nc2 Nb5–+) 45.Nc2? (45.Bc4 Nc3 46.Kc3 dc4 47.d5 Kc5 48.de6 Be5 49.Kc2 fe6–+) 45...Nc3 (better 45...Ng5 46.Ne1 Bc7 47.Bb4–+) 46.Kc3 h5 (46...Ng5 47.f4 Ne4 48.Kb2–+) 47.f4 h4! 48.Ne3 (48.gh4 Bf4 Deflection) 48...hg3 49.hg3 Nd4! 50.Bc4? (50.Kd4 Bc5 Double attack) 50...dc4 51.Kc4 Ne2 52.Nf1 Nf4! 53.gf4 Bf4 54.Kd4 Kd6 55.Ke4 Bc1 (better 55...g5!? 56.Kd4–+) 56.Ng3 Ke6 57.Ne2 Bb2 58.Kf4 Kf6 59.Kg4 Be5 60.Ng1 (60.Nc1–+) 60...Bb2 61.Nf3?? (61.Ne2 Kg7 62.Ng3–+) 61...Kg7–+ 62.Nh4 (62.Ng5 f5 63.Kg3 Kf6 64.Nh7 Ke5–+) 62...Bf6 (62...f6 63.Kf3–+) 63.Nf3 Kh6 64.Ng1 g5 (64...Be7 65.Kf4–+) 65.Nf3 (65.Kf5 Bb2 66.Nf3 f6–+) 65...Kg6 66.Kg3 Bc3 67.Kg4 (67.Ng1 Be5 68.Kg2 g4–+) 67...f5 68.Kg3 Kh5 69.Kg2 g4 70.Nh2 f4 71.Nf1 Kh4 Black plans g3 72.Kh1 (72.Nh2 Be5 73.Nf3 gf3 74.Kf3–+) 72...g3 73.Kg2 Kg4 74.Kh1 f3 (74...Kh3 75.Ng3 fg3 76.Kg1 Bd4 77.Kf1 g2 78.Ke2 g1Q 79.Kd3 Qe3 80.Kc4 Qc3 81.Kd5 Qc5 82.Ke6 Qc6 83.Ke7 Bc5 84.Kf7 Qd7 85.Kg6 Kg4 86.Kf6 Bd4 87.Kg6 Qg7) 75.Ne3 Kh3 76.Nf5 (76.Nd1 Bd4 77.Nf2 Kh4 78.Kg1 Bf2 79.Kf1 Bc5 80.Ke1 g2 81.Kd1 g1Q 82.Kd2 Qe3 83.Kc2 f2 84.Kb2 Qd2 85.Kb3 f1Q 86.Ka4 Qc4) 76...Ba5 (76...g2 77.Kg1 Be1 78.Nd6 f2) 77.Ng3–+ Kg3 78.Kg1 f2 79.Kf1 Bd8 80.Ke2 (T) 0–1. Frankel,Zyg – Goodhue,Nathan, NZL North Island Championship Wellington, 2000.

10.Nc3 c6 11.Nh4 (11.Na4 Be7=) 11...Bc2 12.Qc1 Ne5 (12...b6 13.d4=) 13.Nf3 (13.Nb5!? cb5 14.Be5+/–) 13...Nd3 (13...Nf3 14.gf3 Bg6 15.Ne2=+) 14.Bd3= Bd3 15.Ne5 Qa6 (15...Bf5 16.0-0=) 16.Nd3 Qd3 17.Qb1 (17.Qa3 Qa6 18.Qa6 ba6+=) 17...Qb1 18.Nb1 Be7 19.Nc3 (19.Ke2 Kd7=) 19...0-0 20.Ke2 Ra8 (20...Nd7 21.d4=) 21.Rb1 Nd7 22.f4 Bf6 23.d4 (23.g4 h6=) 23...g6 (23...b5 24.Bb2=) 24.b5 cb5 (24...h6 25.Bb2=) 25.Nb5 Nc5 26.dc5 Ba1 27.Nd6 d4 28.ed4 Bd4+= 29.Nb7 Rc8 30.Rb5 e5 31.Kd3+/– Bg1 32.fe5+– Bh2 33.Nd6 Rc7?? 34.Rb8 (34...Kg7 35.Ne8 Kh6 36.Nc7 Be5 37.Na6+–) 1–0. Altamirano,Benjamin (2295) – Albarran,Gustavo (2235), Metropolitano Superior GEBA, 2004.

10.Bd4 Be7 =.

10.Bf6 gf6 11.d4+= Rg8 12.Nh4 Be4 13.f3 (13.Nd2 Qa3=) 13...Bb1= 14.Qb1 Qa3 15.Kf2 (15.Bd3 f5 16.g3 b6+=) 15...f5 16.g3 Bh6 (16...Be7 17.Ng2=) 17.Ng2+= Ke7 (17...f6 18.b5+=) 18.Be2 Ra8 19.b5 Nf6 (19...Qa2 20.Qd1+=) 20.Rd1 Kd8 21.Qc2 Qa2 22.Qc1 (22.Rc1 c6+=) 22...Ra5 (22...Bg7 23.Rd2 Qa5 24.c6+=) 23.b6 cb6 24.cb6 Ne8 25.Qc3 Ra3 26.Qc5 Ra5 ½–½. Bendig,Frank – Milani,Oscar, IECG, 2002.

10.Bf6 Nf6 11.Qb3 Be7 12.Be2 (12.Bb5 c6 13.Bd3 Bd3 14.Qd3 b6 15.cb6 Bb4–/+) 12...0-0=+ 13.0-0 b6 14.cb6 cb6 15.Nh4 Bg4 16.Bg4 Ng4 17.Nf3 Rc8 18.h3 Nf6 19.d3 Qa1 20.Nd4 Nd7 21.Nc2 (21.b5 Bd6=) 21...Qe5 22.f4 Qc7 23.Rf2 (23.Nd4 Bf6=+) 23...d4–/+ 24.e4 (24.ed4 Bh4 25.Rd2 Qf4 26.d5 Rc2 27.Qc2 Qe3 28.Rf2 Bf2 29.Qf2 Qd3 30.Nd2 ed5 31.Qf4–+) 24…Bh4–+ 0–1. Maly,Wolfgang – Kroesinger,Dieter, HL012, 1998.

10.Bf6 Nf6 11.d4 Qa2 =.

10.Bf6 Nf6 11.d4 Be7 =.

10.Bf6 Nf6 11.Nd4 Bg6 12.Bb5 c6 13.Ba4? (better 13.Be2=) 13...e5 14.Nf3 Bb1 15.Bc6 (15.Ne5 Bf5–+) 15...bc6 16.Qb1 e4 17.Nd4 Be7 18.0-0 0-0 19.Nf5 (19.Qa1 Qb7 20.Qa4 Rc8–+) 19...Bd8 20.f3 Bc7 (20...ef3 21.Rf3 Ne4 22.d3–+) 21.fe4 Ne4 (21...de4 22.Ne7 Kh8 23.Qa1–+) 22.Qb2 (22.Qa1 f6 23.d3=+) 22...Nf6?? (better 22...f6–+) 23.Ne7= Kh8 24.Rf6 Qe8 (better 24...Qd8 25.Nc6 Qf6 26.Qf6 gf6=) 25.Nf5?? (better 25.Nc6 Kg8 26.b5 gf6 27.Qf6=) 25...Be5–+ (25...gf6?? 26.Qf6 Kg8 27.Qg7) 26.Nd6 Qe7 (26...Bb2 27.Ne8 Bf6 28.Nf6 gf6 29.Kf2–+) 27.d4?? (better 27.Nf7 Kg8 A) 28.Ne5?? Qf6 (worse 28...Rf6 29.h3+=) 29.Nf3 Qb2–+; B) 28.Qe5 Qe5 29.Ne5 Rf6 30.Nf3+=) 27...Bf6–+ (27...Qf6?! 28.de5 Qg6 29.b5=+; 27...gf6?! 28.de5 fe5 29.e4–/+) 28.b5 (28.Qf2–+) 28…Qe3 (28...Qe3 29.Kf1 Bd4 30.Qd4 Qd4 31.Nf5 Qf4 32.Ke2 Re8 33.Ne7 Re7 34.Kd3 Qc4 35.Kd2 Re2 36.Kd1 Qc2) 0–1. Abdullaevich (1920) – SerggZerg (1875), lichess.org, 2019.

11.Nb5 Qb4–/+ 12.Nc7 Kd8 13.Nb5 (13.Bc3 Qc5 14.Nb5 Ne4+=) 13...Bc5 14.Be2 Qb1 15.Qb1 Bb1 16.0-0 Bf5 17.Rc1 Ke7 18.Bc3 Ne4 19.Bg7 Rg8 20.Bh6 Bh3 21.g3 Bg4 22.d4 Bb6 23.Kg2 f6 24.h3 (24.Nc7 Kd8 25.Na8 Ba5–/+) 24...Bf3–/+ 25.Bf3 Rg6 26.Bf4 e5 27.Bh5 ef4 28.Bg6 hg6 29.gf4 Nd6 (29...Ba5 30.h4+=) 30.Nd6 Kd6 31.f5 (31.Rc8 Ke7=) 31...g5+= 32.Kg3 Bd8 33.Rb1 (33.f4 Nb6=) 33...Nb6+= 34.Kg4 Kc6 35.f4 Nc4 36.fg5 fg5 37.Kh5 Nd2 38.Ra1 Ne4 39.Ra8 (39.Kg6 Kd6=) 39...Be7 (39...Kc7 40.Ra7=) 40.Kg6 Kd7 41.Ra5 (41.Ra7 Kc6+=) 41...Kd6= 42.Kf7 Bd8 43.Rb5 (43.Ra8 Kd7+=) 43...b6 44.Ke8 (44.Rb2 Kd7=) 44...Bc7 (44...Kc7 45.Rb6 Kb6 46.Kd8+/–) 45.Rb1= Nf6 46.Kf7 Bd8 (46...Ne4 47.Ke8=) 47.Rg1 (47.Rb6 Bb6 48.Kf6 Bd8 49.Kg7 Kd7+=) 47...Ne4= 48.Ra1 Bc7 49.Ra2 Bb8 (better is 49...Kd7!?=) 50.f6+/– 1–0. Degterev,Pavel (2195) – Nucci,Luciano (2080), IECG, 2008.

11.Nd4 Qb4 12.Nf5 ef5 13.d4 g6 (13...b6 14.cb6 Qb6 15.Bd3=) 14.Bd3+= c6 15.0-0 b6 16.cb6 Bd6 17.Qa4 Qb6 18.Rb1 Qc7 19.Qa8 Nb8 20.Rb7 Qd8 (worse is 20...Bh2 21.Kh1 Qd6 22.f4 Bf4 23.ef4+/–) 21.Bb2 0-0 22.Ba3 Ba3 23.Qa3 Nbd7 24.g3 Qa8 25.Ra7 Qb8 26.Kg2 Rc8 27.Qa6 Kg7 28.Rb7 Qa8 29.Ra7 Qb8 30.Rb7 Qa8 31.Ra7 ½–½. Muri,Heinrich (2410) – Versili,Mario (2390), European TC VII, Final, 2008.

13.Nd4 0-0 14.c6 (14.Nf5!? ef5 15.Bd4+=) 14...bc6=+ 15.Nc6 Bd6 16.Bb5 Nb8 (16...Ra8 17.Bb2=+) 17.Bc3 (17.Bf6 gf6 18.Nd4 Bg6+=) 17...Nc6 (17...Ne4=) 18.Bc6–/+ Bb4 19.Bb4 Rb8 20.0-0 Rb4 21.Ra1 Kf8 22.Nc5 (22.d4 Ke7–/+) 22...Rb1 (better is 22...e5!? 23.d3 Rb6–/+) 23.Rb1=+ Bb1 24.f3 Ke7 25.d4 Kd6 26.Ba4 Ng8 27.Kf2 c6 28.f4 Ne7 29.Bd1 Nc8 30.Bf3 Kc7 31.g4 Nd6 32.h4 Nb7 33.Nb3 Kd6 34.Nd2 Bd3 35.Ke1 c5 36.dc5 Nc5 37.Kf2 f6–+ 38.Be2 –+. Friberger,Torbjoern – Kaellerholm,Per, corr SSKK 2–779, 1995.

13.Nd4 Bg6 14.Nb5 Kd8 15.Nac3 =+.

13.Be2 0-0 14.0-0 Ra8 15.Nc3 Ne4 16.Ne4 (16.Nd4 Bf6 17.Ne4 Be4=) 16...de4 17.Nd4 Bf6 18.Bc3 (18.Nf5 Ba1 (< 18...Ra1 19.Ng3+/–) 19.Ng3 Nf6=) 18...Kf8 (18...Bd4 19.Bd4 e5 20.Ra1 Ra1 21.Ba1=) 19.Ra1 (19.Nb5 c6 20.Nd6 b5+=) 19...Ra1 20.Ba1 Ke7 (20...Bd4 21.Bd4 e5 22.Bb2=) 21.Bc3 (21.Nf5 ef5 22.d4 ed3 23.Bf6 Kf6 24.Bd3 Ne5+=) 21...b6 (21...Bd4 22.Bd4 e5 23.Bc3=) 22.Nc6 (22.c6 Ne5+=) 22...Kf8= 23.cb6 Nb6 (better is 23...cb6!? 24.f4 ef3 25.gf3 Bc3 26.dc3 e5=) 24.Bf6+/– gf6 25.g4 Bg6 26.h4 h6 27.Kg2 Nd5 28.f4 ef3 (28...f5 29.h5 Bh7 30.g5 hg5 31.fg5+/–) 29.Kf3 Bb1 (29...Ne7 30.Ne7 Ke7 31.h5+=) 30.e4 (30.b5 Ke8+/–) 30...Ne7 31.Nd4 (31.Ne7 Ke7 32.Kf4 c6+/–) 31...Ng6 (31...f5 32.gf5 ef5 33.d3 fe4 34.de4+=) 32.h5+/– Ne5 33.Ke3 Ke7 (33...Ba2 34.Nb5 Nc6 35.d4+/–) 34.Nb5 c6 (34...f5 35.ef5 ef5 36.Nc3+=) 35.Na3 (35.Na7 f5 36.gf5 ef5 37.ef5 Kd6+–) 35...Ba2+/– 36.d4 Nd7 37.Bc4 ½–½. Melich,Jindrich (2170) – Polak,Petr (2170), Praha op, 1996.

13.Be2 0-0 14.Nc3 c6 15.Nd4 Bg6 16.0-0 (16.Bb2 Ra8=) 16...Ra8 17.Bb2 Ne5 18.f4 Nc4 (18...Nd3 19.Bd3 Bd3 20.Ra1 Ra1 21.Ba1=) 19.Bc4= dc4 20.Ra1 (20.f5 ef5 21.Nf5 Kf8=) 20...Ra1=+ 21.Ba1 Nd5 (21...Bd3 22.Bb2=+) 22.Nd5= cd5 23.c6 bc6 24.Nc6 Kf8 (24...Bd6 25.Be5 Bf8 26.b5+=) 25.b5 (25.Bg7 Ke8 26.b5+/–) 25...f6? (better is 25...Bc5+=) 26.b6+– (26.Ne7?! Ke7 27.b6 Kd6=) 26...Bd6 27.b7 Be8 (27...Ke8 28.b8Q Bb8 29.Nb8+–) 28.b8Q Bb8 29.Nb8 Bb5 30.Bd4 Kf7 31.Kf2 Ke7 32.Bc5 Kd8 33.Bd6 Kc8 34.Ke1 Kb7 35.Kd1 Ba4 36.Kc1 Kb6 37.Kb2 Be8 38.Kc3 Bb5 (38...Bg6 39.g4+–) 39.Kd4 Be8 40.g4 (40…Bg6 41.Bf8+–) 1–0. Mueller,Klaus – Sobolev,GA, corr ICCF, 1969.

13.Be2 0-0 14.Nd4 Ra8 15.Nf5 ef5 =.

12.Qd1 Qd1 13.Nd1 (13.Kd1 e5=) 13...Be7 14.Nc3 0-0 15.d3 (15.Bb2 Ra8=) 15...Ra8 16.Bb2 b6 17.d4 (17.c6 Nb8 18.b5 Bb4+=) 17...bc5 18.dc5 (18.bc5 Ne4+=) 18...Rb8 19.Nd4? (better is 19.c6!? Nc5 20.b5–/+) 19...Rb4–+ 20.Ba3 (20.Nd1 Bc5 (20...Nc5?! 21.Nc6=) 21.Nf5 ef5–+) 20...Bc5 21.Bb5 (21.f3 Rb6 22.Bc5 Nc5–+) 21...Rd4 22.Bc5 Rg4 (22...Nc5?! 23.ed4 Nb3 24.Ne2+=) 23.Be7 Rg2 24.Bf1 (24.h3 c5–+) 24...Rg6 25.h4 (25.Bb5 e5–+) 25...h5 (25...e5 26.h5 Rh6 27.Bb5–+) 26.Be2 Ne5 (26...c6 27.Rf1–+) 27.f4 (27.f3 Ned7–+) 27...Nd3 28.Kd2 (28.Bd3 Bd3 29.Bf6 gf6–+) 28...Nf2 (28...Rg2 29.Bf6 gf6 30.Nb5–+) 29.Rc1 (29.Rf1 N2e4 30.Ne4 Ne4 (30...de4?! 31.Bf6 gf6 32.Bh5 Rg2 33.Kc3–+; 30...Be4?! 31.Rc1–+) 31.Kc1 Rg3 32.Bh5 Re3–+) 29...N2e4 (29...N2e4 30.Kc2 Rg2–+) 0–1. Bennett,Hilton Petrie – Suvrajit,Saha, Shenyang, 1999.

12.Nd1 Bc2!? 13.Qa8 Ke7 +=.

12.Nd1 Be7 13.Qa8 Bd8 14.Bb2N Qb1 15.Be2 (15.Qb7? Bc2 16.Be2 Bd1–+; 15.Nd4 Bc2 (15...Bg6 16.Qb7 0-0 17.c6 Nb6 18.Nb5 Ne4 19.Be2+=; 15...0-0 16.Nf5 Qf5 17.Qb7 Qc2 18.f3 Qg6 19.c6+/–) 16.Nc2 Qc2 17.Qb7 Ne4 18.Bc3 0-0 19.Bb5+=) 15...0-0 (15...Bc2 16.0-0 0-0 17.Bc3 Bg6 18.Nb2 Qf5 19.Nh4+/–; 15...b6 16.Bf6 gf6 17.Nd4 Ne5 18.Nf5 Qf5 19.Bb5+/–) 16.Qb7 Bc2 (16...Be4 17.c6 Nb6 18.0-0 Bf3 19.Bf3+=) 17.0-0 (17.Bd4 Ne4 18.Qb5 e5 19.Ne5+/–) 17...Ne4 18.c6 (18.Qa7 Bd1 19.Ba3+=) 18...Nb6 19.Bd4 (19.Ba3+=) 19...Qb4 20.Nc3 ½–½. phildo (1810) – uzasnitipe (1895), gameknot.com, 2013.

12.Nd1 Be7 13.Qa8 Bd8 14.Be2 (14.Bf6 Nf6 15.Bb5 Ke7 16.Qb7 Bg4+=) 14...Qb1+– 15.Bf6 Nf6 16.Qb7 0-0 17.0-0 (17.Nd4 Bd3+=) 17...Qc2 18.Nc3 (18.Re1 Ne4+=) 18...Ne4 19.Nd4 (19.Ne4 Be4 20.d3 Bf3 (worse 20...Bd3 21.Nd4 Qc3 22.Bd3 Qd3 23.Nc6+–) 21.Bf3 Qd3+=) 19...Qd2= 20.Ne4 (20.Nf5? Nc3 (20...Qc3?! 21.Ng3=+; worse 20...ef5 21.Ne4 de4 22.Bc4+=) 21.Bg4 ef5 22.Bf5 d4–+) 20...Be4 21.Qb5 (21.Bf3 Bf3 22.Nf3 Qc3=) 21...Bf6=+ 22.Rd1 Qc3 23.Bf1 e5 24.Ne2 Qc2 25.Rc1 (25.Ra1 d4 26.ed4 ed4–/+) 25…Qb2 (25...Qb2 26.Rd1 d4 27.ed4 ed4=+; 25...Qd2 26.Qa4=+). Roe,Philip (1850) – Hrubaru,Mircea (1875), FICGS, 2007.

12.Nd1 Be7 13.Qa8 Bd8 14.Bf6 Nf6 15.Bb5 Ke7 16.Qb7 Bg4 +=.

10.Nc3 b6 11.d4 =.

10.Nc3 e5 11.d4 (11.Be2 Be7=) 11...e4 12.Nd2 b5 13.Be2 Be7 14.Bb2 Nf8 (14...Nb8 15.0-0=) 15.Qa1 (15.0-0 Ne6=) 15...Qb8 (15...Ne6 16.0-0=) 16.Qa6 Bd7 (16...Qc8 17.Qc8 Bc8 18.f3 ef3 19.gf3+=) 17.0-0 Ng6 (17...Ne6 18.Ra1=) 18.Ra1+= 0-0 19.Qa7 Rc8 (19...Qc8 20.Qb6=) 20.Nb3 Qc7 21.Qc7 Rc7 22.Ra8 Nf8 23.Na5 g5 24.f3 ef3 25.gf3 g4 26.Bc1 Kg7 27.Bd2 gf3+= 28.Bf3 Ne6 29.Be1 Ng5 30.Bg2 Nh5 31.h4 Ne6 32.Bf3 Kg6 33.Bh5 Kh5 34.Bg3 Rc8? 35.Rc8+– Bc8 36.Nc6 Bh4 37.Bh4 Kh4 38.Ne7 Bd7 39.c6 Be8 40.Ncd5 Kg3 41.Nf6 Nc7 42.d5 (42…Nd5 43.Nfd5+– (43.Ne8?! Ne7 44.c7 Nc8+=); < 42.Nh7 f5 43.Nf6 f4+–) 1–0. Melich,Jindrich (2170) – Cely,Jaroslav, Ceske Budejovice op, 1996.

10.Be2 Qc7 =.

10.Bf6 Qf6 11.d4 e5 12.Nc3 (12.de5 Ne5 13.Nd4 b6+=) 12...e4+= 13.Ng1 Be7 14.Nge2 b6 15.Ng3= bc5 16.Nf5 Qf5 17.bc5 Qf6 (17...Bh4 18.g3 Bd8 19.Be2=) 18.Nb1 (18.Qc2 0-0=) 18...0-0 19.Ba6 (19.Be2 Bd8=) 19...Ra8 20.Be2 Bd8 21.0-0 Bc7 22.Qb3 Rb8 23.Qa4 Nf8 (23...Qh6 24.h3 Qf6 25.Bg4=) 24.Nc3 Qh6 Threatening mate: Qxh2 25.h3 Rb2 26.Qa1 Rb7 27.Bg4 (27.Bd1 Rb8 28.Qa7+–) 27...Qf6= 28.Rb1 White gets in control 28...Rb1 29.Nb1 Qd8 30.Qa6 Bb8 (30...Qe8 31.Nc3 Ne6 32.Be6 fe6 33.Na2+/–) 31.Qc6+/– Qa5 Threatening mate... how? 32.Kf1 Qb4 33.Qb6 Qc4 34.Ke1 Bh2 (34...Bc7!? 35.Qc7 Qc1 36.Bd1 Qb1+–) 35.Bd1 Qc1 36.Qb3 (36.Nd2 Bg1 37.Qb1 Bf2 38.Ke2 Qb1 39.Nb1 Bg3+–) 36...Bc7 37.Qc2 Qc2 38.Bc2 Ba5 39.Ke2 Ne6 40.g4 (40.Ba4 f5+–) 40...g6 41.Ba4 Kg7 42.Na3 Kf6 43.Nb5 Ng5 (43...Nc7 44.Nd6+–) 44.h4 Nf3 45.Nd6 Nd2 (45...Nh4 46.Bb3 Ke7 47.g5+–) 46.g5 (46.Be8 Nc4 47.Nf7 Na3+–) 46...Ke7 47.Bc6 Ke6 (47...Nb1 48.Kd1+–) 48.Be8 Nb1 (48...f5 49.h5 gh5 50.Bf7 Kd7 51.Bd5+–) 49.Bf7 Ke7 50.Kd1 Nc3 51.Kc2 Nb5 52.Bd5 Nd6 53.cd6 Kd6 54.Be4 Be1 55.f4 Bh4 56.Kd3 Be1 57.Bg2 Bg3 58.Ke4 (58.Ke2 Ke7+–) 58...Be1 59.Bh3 White plans f5 59...Ke7 60.f5 (60.Kf3 Bc3+–) 60...gf5 (60...Kf7 61.Kf4+–) 61.Bf5 Kf7 (61...Bh4 62.Kf4+–) 62.Kf4 (62.Bh7 Ke7+–) 62...Ke7 (62...Kg7 63.d5 Bd2 64.Ke4+–) 63.Bh7 Bd2 (63...Bf2 64.Be4+–) 64.Bd3 (64.g6 Kf6+–) 64...Be1 65.Bc4 Bd2 66.Ke4 Bc1 67.Bd5 Bd2 68.Kd3 Bc1 69.g6 Kf6 70.Bf7 Ba3 71.Kc4 Bb2 (71...Bf8 72.e4 Ke7 73.Kd5+–) 72.e4 Kg7 (72...Ke7 73.e5 Bc1+–) 73.e5 Kh6 74.e6 Ba3 75.Kb5 Bf8 76.Kc6 Kg5 77.d5 (77.d5 Kf5 78.e7 Be7 79.g7+–) 1–0. bambinik (2480) – onnimatger36 (2380), internet, 2003.

10.Bf6 Nf6 11.Nc3 Be7 12.Be2 b5?? (better is 12...Ne4=) 13.Ne5+– Qc7 14.Nc6! 0-0 (14...Qc6 15.Bb5 Pinning (15.Bb5 Decoy)) 15.Bb5 Ra8 16.0-0 Bf8 17.f3 h6 18.Qb3 Qb7 19.Nd4 Bg6 (19...Rc8 20.Nf5 ef5 21.d4+–) 20.Bc6 Qa7 21.Ba8 Qa8 22.Qa4 Qb8 23.Ra1 Bd3 (23...e5 24.Nc6 Qe8 25.Qa8+–) 24.Nc6 Qb7 (24...Qe8 25.Ne5 Bf5 26.Qe8 Ne8 27.Ra8+–) 25.Qa8 (25.Qa8 Qa8 26.Ra8+–) 1–0. usingprogram (2025) – tomilan (1795), kurnik, 2013.

10.Bf6 Nf6 11.d4 Be7 =.

10.d4 b6 11.Bd3 Ne4 (11...Bd3 12.Qd3 c6 13.Nc3=) 12.0-0= bc5 (12...0-0 13.Nc3=) 13.dc5+= Ndf6 (13...Bf6!? 14.Bf6 Qf6+/-) 14.Ne5 0-0 (14...Qa8 15.Bd4 h6 16.f3+-) 15.Nc6 Qd7 16.Be4?? (better 16.Ne7 Qe7 17.f3+-) 16...Be4 (16...Ne4 17.Ne7 Qe7 18.f3=) 17.Ne7 Qe7 18.f3 Bg6 (18...Bf5 19.Qd4=) 19.Qd4 Rb8 20.g4 (20.Nd2 Re8=) 20...c6 21.g5 (21.Nd2 Ne8=+) 21...Ne8 (21...Nh5 22.f4-/+) 22.h4 (22.Qf4 Ra8 23.Be5 f6 24.gf6 gf6=+) 22...f6 23.f4 Qb7 24.Bc3 Qd7 (24...Qf7 25.Nd2-/+) 25.Nd2=+ Ra8 26.e4 (26.Nf3 Be4 27.gf6 gf6=+) 26...Ra2 (26...e5 27.Qf2 d4-/+ (27...Be4?! 28.Ne4 de4 29.fe5=)) 27.f5=+ ef5 28.ed5 cd5 29.Re1 fg5 (better 29...Bf7=+) 30.Re8?? (30.c6 Qa7 31.Qa7 Ra7 32.b5+/- (32.hg5?! Ra6=)) 30...Be8-+ 31.hg5 Bh5 (31...Rc2 32.Qd3 Rc1 33.Kf2-+) 32.c6 Qe7 33.Qd5 Kh8?? (better 33...Bf7 34.Qf5 Qe3 35.Kh1 Be6-+ (35...Rd2 36.Bd2 Qe2 37.Qc8 Be8 38.Qd8 Qf3 39.Kh2 Qc6 40.Kg3+=)) 34.Qf5 (34.Qa2!? Qe3 35.Kg2 Qe2 36.Kg3 Qe3 37.Kg2 Qe2 38.Kh3 Qe3 39.Kg2=) 34...Qe3 35.Qf2? (better 35.Kg2 Rd2 36.Bd2 Qd2 37.Kh3=+) 35...Qg5-+ 36.Qg2 (36.Kf1 Ra8 37.c7-+) 36...Qe3 37.Kh2 (37.Qf2 Qf2 38.Kf2-+) 37...Qc3 38.c7 Qc7 39.Qg3 Rd2 40.Kh3 Qg3 (40...Qc8 41.Kh4 Qc4 42.Kh5 Rd5 43.Qg5 Qf4 44.Qd5 g6) 41.Kg3-+ Rb2 (41...Rb2 42.Kh4 Be8-+) 0-1. valeriy1947 (1830) - lt1 (1920), Rated Classical game, lichess.org, 2014.

10.Nd4 Bb1 11.Qb1 =.

10.Nd4 Be4 11.Nc3 =.

10.Nd4 Bg6 11.Nc3 0-0 12.Be2 e5 13.Ndb5 (13.Nb3!?–/+) 13...c6–+ 14.Na3 b6 15.Na4? (better 15.d4 ed4 16.ed4 bc5 17.bc5–+) 15...bc5 16.bc5 (16.Nc5 Nc5 17.bc5 Qa5–+) 16...Qa5 17.Bc3 Qa7 18.Bb2 (18.h4 Ra8 19.Nb6 Nb6 (19...Qa3?! 20.Na8 Qa8 21.h5–+) 20.cb6 Qb6–+ (worse 20...Qa3 21.h5 Bf5 22.0-0–+)) 18...Rb8 19.d3 (19.Bc1 Ra8 20.Nc3 Nc5 21.0-0–+) 19...Rb3 (better 19...Rb4 20.d4 Ra4–+) 20.Qb3+– Bc5 21.0-0 (21.Nc2!? Bd6+–) 21...Be3 22.fe3 (better 22.Nc2 Bf4 23.Ra1+–) 22...Qe3+– 23.Rf2?? (better 23.Kh1 Qe2 24.Qd1+=) 23...Ne4!–+ 24.h3 (24.de4 Nc5 Double attack (24...Qb3 Pinning; 24...Qb3 Deflection; 24...Nc5 Decoy)) 24...Qf2 25.Kh1 (25.Kh2 Qe2 26.de4 Be4 27.Qg3–+) 25...Ng3 26.Kh2 Ne2 (26...Qe2?! 27.Kg3 Qd3 28.Qd3 Bd3 29.Bc1–+) 27.Qd1 Bh5 28.Nc3 (28.Nc2 Qf4 29.Kh1 Ng3 30.Kg1 Bd1 31.Nc3 Nf6 32.Ne3 Qe3 33.Kh2 Nf1 34.Kh1 Qg3 35.Kg1 Ne3 36.Nd1 Qg2) 28...Qf4 29.Kh1 Ng3 30.Kg1 (30.Kh2 Bd1 31.Bc1 Qc1 32.Nc4 dc4 33.h4 Qc3 34.Kg3 Nf6 35.h5 Qe1 36.Kh2 Ng4 37.Kh3 Qh1 38.Kg3 Qh2) 30...Bd1 31.Nd1 (31.Nc4 dc4 32.h4 Qd4 33.Kh2 Qh4 34.Kg1 Qh1 35.Kf2 Qf1 36.Kg3 Qf4 37.Kh3 Bg4 38.Kh4 g5) 31...Ne2 32.Kh1 Qf1 33.Kh2 Qg1 0–1. pillsbury – pcmvr, net–chess.com, 2019.

10.Nd4 Bg6 11.c6 Nb8 12.cb7 c6=.

10.Nd4 Bg6 11.Be2 0-0 (11...e5 12.Nf3 Bb1 13.Qb1+=) 12.0-0 Qa8 13.Nc3 Qa3 (13...e5 14.Ndb5 c6 15.Nd6=+) 14.c6+= bc6 15.Nc6 Bd6 (15...Bb4? 16.Nb5 Qa8 17.Nb4+–) 16.Nb5 Qa2 (16...Qa6 17.Qc1+=) 17.Nd6+/– cd6 18.Ne7 Kh8 19.Ng6 (19.d3 Rb8 20.Bc3 Ne5+=) 19...hg6 (19...fg6 20.b5+=) 20.f3 (20.f4 Rb8 21.Bc3 Ne4+=) 20...Ra8 (20...Rb8 21.b5+=) 21.Bc3 Kg8 22.Qa1 (22.Bb5 Ra3+/–) 22...e5+= 23.Qa2 Ra2+/– 24.Ra1 Ra1 25.Ba1 Kf8 26.Kf2 Ke7 27.Bc3 Nb6 28.b5 g5 29.Kg3 Nc4+= 30.e4 Nb6 31.Ba5 Nfd7 32.Kg4+/– de4 33.fe4 Na4 34.Bc4 Nf6 35.Kf3 Nd7 36.Ke3 Nab6 37.Bb3 f6 38.Kd3 Kd8 39.Kc3 Kc7 40.d4 ed4 41.Kd4 Nc5 42.Bd5 Ncd7 43.Bc4 Nc5 44.Bb6 Kb6 45.Kd5 Kc7 46.h3 Na4 47.Bd3 Kd7 48.g3 Nb6 49.Kd4 Nc8 50.Be2 Ne7 51.Bg4 Kc7 52.Be6 Kb6 53.Bd7 Kc7 54.Be8 Kb6 55.h4 gh4+= 56.gh4 d5 57.e5 Nf5 ½–½. Rudbeck,Joergen – Lorentzen,Oeystein, corr 3GMM½–03, 1998.

10.Be2 0-0 11.Bd4 =.

11.Nc3 c6 12.Be2 Qa8 13.0-0 Qa3 14.b5 (14.Nh4 Qb4 (14...Ne4 15.Nf5 ef5 16.Qd3 Qb4 17.f3 Nef6+=) 15.Nf5 ef5 16.Qc2 f4 17.Rb1 Qa5=) 14...Ne4 15.bc6 (15.Ne4 Be4 16.Re1 Ra8 17.Qd2 Bf6+=) 15...bc6 16.Ne4 Be4 17.Qd2 Ra8 18.Bb2 Qb3 19.Ra1 Ra1 20.Ba1 h6 21.Ne1 e5 22.Bg4 Nf6 23.Bd1 Qb1 24.Bb2 ed4 25.ed4 (worse is 25.Qd4 Bc5 26.Qd2 Ne8–/+) 25...Bd8 26.Qc1 Qa2 27.Qa1 ½–½. Ganesan,Arasu – Buss,Michael, corr ICCF TT/40 Final, 1990.

11.Nc3 c6 12.Be2 Qa8 13.0-0 Ne4 14.Bd3 Qa3 (14...Ndf6 15.Qc2 Nc3 16.Bc3 Bd3 17.Qd3 Qb8+=; 14...Nc3 15.Bc3 Bd3 16.Qd3 b6 17.Ra1 Qb8+=) 15.Be4 de4 16.Nd2 Qb4 17.Qc2 Ra8 =.

11.Nc3 c6 12.Be2 Qa8 13.0-0 Bg4 14.Bb2 (14.Qd2 b6 15.Bb2 Qb7 16.Ra1 Ra8 17.Ra8 Qa8=) 14...b6 15.Qd2 Qb7 16.Ra1 Bf3 17.Bf3 e5 =.

11.Nc3 c6 12.Be2 Qa8 13.0-0 h6 A) 14.Bb2 Rb8 (14...b6 15.Qd2 Qb7 16.Ra1 Ra8 17.Ra8 Qa8=) 15.Bd3 Bd3 16.Qd3 b6 17.Ra1 Qb7=; B) 14.Qd2 b6 15.Bb2 Qb7 16.Ra1 Ra8 17.Ra8 Qa8=; C) 14.Ne5 Rd8 (14...b5 15.Nd7 Nd7 16.Bb2 Qb7 17.f3 Bf6=; 14...Qc8 15.Nd7 Qd7 16.Na4 Bd8 17.Nb2 Bc7=; 14...b6 15.b5 bc5 16.Nc6 Bd6 17.dc5 Nc5=; 14...Qd8 15.Nd7 Qd7 16.Na4 Bd8 17.Nb2 Bc7=) 15.Nd7 Nd7 16.b5 b6 17.bc6 Qc6+=; D) 14.b5 b6 15.Ne5 bc5 16.Nc6 Bd6 17.dc5 Nc5=.

11.Be2 c6 12.Nc3 Ne4 13.Na4 h6 14.0-0 b6 15.Qb3 Bg4 16.Rd1 (16.Qc2 bc5 17.bc5 Qc7=) 16...Ng5 (16...Bh4 17.cb6 Bf2 18.Kf1 Nb6 19.Nc5–/+) 17.Nc3 (17.Ng5 Be2 18.Qc2 Bg5 19.Qe2 Qc7=) 17...bc5 18.dc5 e5 (18...Nf3 19.gf3 Bh3 20.f4=+) 19.Nd2 (19.Ng5!? Be2 20.Ne2 Bg5 21.e4 de4 22.Ng3+=) 19...Be2= 20.Ne2 f5 21.Ng3 (21.f4 Nf7+=) 21...f4 22.ef4 Rf4 23.Ne2 Rf5 24.Qc3 Bf6 (24...Qf8 25.Qe3=) 25.Qb3 Nf7 (25...e4 26.h4 Nf7 27.Qh3+/–) 26.h3 (better is 26.Qh3!? g6 27.g4+/–) 26...Qe7 27.Ng3 Rf4 28.Nf3 Ng5 29.Nh2 e4 30.Ng4 Ba1 31.Ra1 Nf8 32.Qc3 Qb7 33.Nh5 Rf5 34.Ng3 Rf7 35.Ne5 Rf6 36.Ra5 Nfe6 37.Qa3 Nf4 38.Ra6 Nfh3 39.gh3 Nh3 40.Kg2 Nf2?? 41.Ra7+– Qb5 42.Nh5 Kh8 43.Ra8 Kh7 44.Nf6 gf6 45.Qa7 Qb7 46.Qb7# 1–0. NN – COMP, 1987.

11.Bc3 0-0 12.Nd4 (12.0-0 Ne4=) 12...Bg6 13.d3 (13.0-0 Ne4=) 13...b6 14.cb6 Nb6 (14...cb6 15.f4=) 15.b5 Bd6 16.0-0 Na4 (16...Qa4 17.Qa4 Na4 18.Nc6=) 17.Nc6 Nc3 18.Nc3 Qa3 19.Qa1 Ra8 20.Qa3 Ra3 (20...Ba3?? 21.Ra1+–) 21.Rc1 h6 22.h3 Rb3 23.Bd1 Rb2 24.Rc2 Rc2 25.Bc2 Kf8 26.Kf1 (26.e4 Ba3=) 26...h5 (26...Ng8 27.e4=) 27.Ke2 h4 (27...Ng8 28.e4 de4 29.Ne4=) 28.Kd2 Nd7 (28...Ng8 29.e4 de4 30.de4+=) 29.Bd1 (29.d4 f5+=) 29...Ne5= 30.Ne5 Be5 31.Na4 (31.d4 Bd6=) 31...Bd6 32.Nc3 (32.d4 Bb4 33.Nc3 Ke7=) 32...Bb4 33.Kc2 (33.d4 Ke7=) 33...Ke7 34.Be2 f6 (34...Bd6 35.Kd2=) 35.Kb3 (35.Kb2 Kd6=+) 35...Bd6 36.d4 (36.Kc2 Bc5 37.Na4 Bb4=) ½–½. Pommerel,Wim – Clarizza, corr, 1987.

11.Nc3 b6 12.Nd4 bc5 13.bc5 Nc5 14.Nf5 ef5 15.0-0 c6 16.d4 (16.Qc2 f4=) 16...Ne6=+ 17.Bd3 (17.Qc2 f4–/+) 17...g6 18.Qc2 f4 19.Bb2 fe3 20.fe3 0-0 21.Bc1 (21.Ne2 Ng4 22.Bc1 Bg5–+) 21...Rb8–/+ 22.Ne2 Qb7 23.Ng3 Qb3 24.e4? (better 24.Qe2–/+) 24...Qc2–+ 25.Bc2 Nd4 26.Bd3 Bc5 27.Be3 (27.Rf6 Ne2 28.Kh1 Nc1 29.Bf1–+) 27...Ng4 28.Bd4 (28.Bf2 Rb2 29.ed5 Nf2 30.Rf2 Nf3 31.gf3 Bf2 32.Kg2 Bc5 33.Ne2 cd5–+) 28...Bd4 29.Kh1 Nf2 30.Rf2 Bf2 (30...Bf2 31.ed5 cd5–+) 0–1. psymar – pcmvr, net–chess.com, 2019.

11.Bd4 0-0 12.Nh4= Bb1 13.Qb1 b6 14.cb6 cb6 15.Qb3 (15.Nf3 Bd6=) 15...Qc6 16.0-0 Ne4 (16...Qd6 17.b5=) 17.Nf3 Bf6 18.Ra1 Rc8 19.Bf6 Ndf6 20.Ne5 Qc7 (20...Qd6 21.d4=) 21.d4 Nd7 (21...Nc3 22.Bd3=) 22.Nd7 Qd7 23.Bd3 Qd6 (23...b5 24.Qb1 Nc3 25.Qc2=) 24.Be4 (24.b5 f5=) 24...de4 25.h3 (25.Qa4 Qc7=) 25...b5 26.Qb1 Qd5 27.Qf1 (27.Ra7 e5 28.Qa2 Qa2 29.Ra2 ed4 30.ed4 Rd8=) 27...Rc4 28.Rc1 ½–½. Pietrzak,Dorota – Roos,Jacqueline, corr IV Ladies OL final, 1994.

11.Bd4 b6 12.cb6 cb6 13.Bf6 Bf6 14.Bb5 =+.

9.Nc3 Ra1 10.Qa1 0-0 11.Be2 Ng4 (11...e5!?=) 12.Nd4+= Nh6 13.c6 Nb8 14.b5 (14.cb7 Bg6 15.b5+/–) 14...bc6= 15.bc6 (15.Nc6 Nc6 16.bc6 f6=) 15...Bf6 16.Ncb5 Be4 (16...Bg4 17.f3 Bh5 18.0-0=) 17.d3+= Bg2? (better is 17...Bg6!?+=) 18.Rg1+/– e5 19.Nc2 (19.Rg2 ed4 20.Bd4 Bd4 21.Qd4 g6+/–) 19...Bh3 (19...d4 20.ed4 Bc6 21.de5 Bb5 22.ef6 Bd3+=) 20.Be5+– Kh8 21.Bf6 gf6 22.Nb4 Rg8 23.Rg8 Kg8 24.Qa5 Nf5 25.Qc7 Qc7 26.Nc7 Ne7 27.Ncd5 Nbc6 28.Nf6 Kg7 29.Nc6 Kf6 30.Ne7 Ke7 31.f4 Bg2 32.e4 Bh3 33.f5 f6 34.Kf2 h5 35.Kg3 Bg4 36.Bg4 hg4 37.Kg4 Kf7 38.h4 Kg7 39.d4 Kf7 40.h5 (40...Kg7 41.e5 fe5 42.de5+–) 1–0. Adam,Stefan – Seiler,Wulff H, corr ICCF–Cup8/9 V003, 1990.

9.Be2 0-0 10.0-0 Ra1 11.Ba1 b6 12.c6 =.

9.Be2 0-0 10.0-0 Ra1 11.Ba1 b6 12.d4 c6 13.Nbd2 Qc7 (13...Ne4 14.Ne4 Be4 15.Bc3=) 14.Qa4 (14.Nh4 Ra8=) 14...b5 15.Qa6 Qc8 16.Qc8 Rc8 17.Ne5 Ne5 18.de5 Nd7 19.Nb3 Ra8 (19...Be4 20.f3 Bg6 21.Nd4=) 20.Nd4 Nb8 21.Bc3 Kf8 (21...Ra3 22.Nf5 ef5 23.Rc1=) 22.Ra1 (22.Nf5 ef5 23.Ra1 Ra1 24.Ba1 Na6=) 22...Ra1= 23.Ba1 Ke8 (23...Bg6 24.Bb2=) 24.Bc3 (24.Nf5 ef5 25.Bd3 g6+=) 24...Kd7 (24...Bg6 25.f3=) 25.f4 (25.Nf5 ef5 26.Bd4 Ke6=) 25...Be4= 26.Kf2 ½–½. Krebs,Juergen (2345) – Pischner,Rainer (2205), BdF, 2004.

9.Be2 0-0 10.0-0 Re8 11.Nh4 c6 (11...Ra1!? 12.Ba1 Bb1 13.Qb1 c6=) 12.Nf5 ef5 13.Nc3 (13.Ra8 Qa8 14.Qc2 f4+=) 13...Ne4 (13...Ra1 14.Qa1 b6 15.b5=) 14.Na4 (14.Ra8 Qa8 15.Qc2 Bf6+/–) 14...b6 (14...b5 15.cb6 Bb4 16.d3+=) 15.d3+= Nef6 16.Rc1 (16.Qc2 bc5 17.Nc5 Ra1 18.Ra1 f4 19.Nd7 Qd7 20.ef4 Qe6+=) 16...bc5 17.bc5 (17.Nc5 f4 18.Bd4 Qc7=) 17...Qa5 18.Ra1 Nc5 (18...Bc5 19.Qc2 Be7 20.Rfc1= (< 20.Qc6 Rec8 21.Qb7 Rab8–/+)) 19.Bc3 Qd8 20.Nc5 Ra1 21.Qa1 Bc5 22.Bf6 Qf6 23.Qf6 gf6 ½–½. Gross,Wilhelm – Meyer, Dresdn.Bk–Dt.Bk., 1994.

9.Be2 0-0 10.Nc3 c6 (10...Ra1 11.Qa1 Bg4 12.d4=) 11.0-0 Qc7 (11...Ra1 12.Qa1 Bg4 13.Qa7=) 12.d4 (12.Nh4 b6=) 12...Ne4 13.Ne4 de4 (13...Be4 14.Qd2=) 14.Nd2 Nf6 (14...Ra1 15.Qa1 b6 16.Qa4=) 15.h3 (15.Nc4 Nd5=) 15...b6 16.Qc2 b5 17.Nb3 (17.Rfd1 Rfd8=) 17...Nd5 18.Qd2 Ra7 (18...Ra4 19.Bc3 Rfa8 20.Ra4 Ra4 21.Ra1+=) 19.Ra7 Qa7 20.Ra1 Qb7 21.Na5 Qc7 22.f3 (22.Bc3 Ra8=) 22...ef3 (22...Ra8 23.Ra3+=) 23.Bf3= Bg5 24.Bd5 (better is 24.Ra3!?=) 24...ed5–/+ 25.Qf2 Be4 (25...Bg6 26.Ra3–/+) 26.Rf1 (26.Nb3 Bd3–/+) 26...Re8 27.Nc6 (better is 27.Nb3–/+) 27...Be3 (better is 27...Bd3 28.Ne5 Bf1 29.Qf1 Be3 30.Kh1 Rb8–/+) 28.Qe3= Qc6 29.Qf4 Qg6 30.Rf2 h6 31.Qc1 (31.Qc7 Bd3=) 31...Bd3 32.Qd2 Qg3 33.Bc1 g6? (33...Be4 34.Qf4 Qg6 35.Bd2=) 34.Qd1?? (34.Qc3 g5 35.Bd2+–) 34...g5+= 35.Bd2 Bc4? (35...Bg6 36.Rf3 Qh4 37.Bc3+=) 36.Rf3?? (better is 36.Qh5 Re7 37.Qh6+–) 36...Qh4+= 37.Re3 (better is 37.Be3!? f5 38.Bf2+=) 37...Qd4–/+ 38.Qe1 f5 39.Kh1 (39.Qf2 Re3 40.Qe3 Qe4–/+) 39...Re4 40.Re4 (40.Qc1 Re3 41.Be3 Qe4–/+) 40...de4 (40...fe4?! 41.Bc3 Qd3 42.Qa1=) 41.Be3 (41.g3 Kf7–/+) 41...Qe5 42.c6? (better is 42.Qd2 f4 43.Qd8 Kf7 44.Bd4–/+) 42...Qc7 43.Qf2 (43.g3 Qc6 44.Qf2 Be6–+) 43...f4 (43...Qc6?! 44.Qf5 Qe6 45.Qe6 Be6 46.Kg1–/+) 44.Bc5 Qc6 45.Qd4 e3 46.Qd8 Kg7 47.Qe7 (47.Kg1 Kg6–+) 47...Kg6 48.Kg1 Qe6 49.Qe6 Be6 50.Kf1 Bd5 0–1. Hal1958 – Wernswig, playchess.de, 2006.

8.Nc3 e5 9.d4 (9.Ne2 Qc7=) 9...ab4 (9...e4 10.Nd2=) 10.ab4 ed4 (10...Ra1 11.Qa1 e4 12.Ne5=) 11.ed4 (11.Nd4 Bg6+=) 11...Be7 (11...Ra1 12.Qa1 Be7 13.Qa7=) 12.Be2 (12.Ra8 Qa8 13.Bd3 Bd3 14.Qd3 0-0+=) 12...0-0 (12...Ra1 13.Qa1 0-0 14.0-0=) 13.0-0 (13.Ra8 Qa8 14.0-0 Re8=) 13...Ne4 (13...Ra1 14.Qa1 Qb8 15.Qa2=) 14.Ra8+= Qa8 15.Qb3 (15.Bd3 Bg6+=) 15...Nc3 16.Bc3 Nf6 17.Ra1 Qb8 18.Ne5 Ne4 19.Bb2 (19.Be1 f6 20.Nd3 b6=) 19...Bf6 (19...Bg5!?=) 20.f3+= Ng5 21.Bd3 (21.f4 Ne6 22.Qe3 b6+/–) 21...Be5 22.de5 (worse is 22.Bf5 Bh2 23.Kf1 g6–+) 22...Bg6 (22...Bd3 23.Qd3 Ne6 24.Qe3+=) 23.f4 (23.Bg6 hg6 24.Qe3 Ne6+=) 23...Bd3 24.Qd3 Ne4 25.Bd4 (25.Qd1 Qc8+=) 25...Qc8= 26.Ra7 Qf5 27.Qe3 Rb8 28.Ra1 h5 29.Ra7 Qg4 30.Ra1 Qf5 31.Ra7 Qg4 32.Qf3 Qf5 33.Ra1 Nd2 34.Qe3 Ne4 35.g3 (35.Ra3 h4=) 35...Qg4+= 36.Kh1 Re8 37.Kg2 (37.Ra3 Qd1 38.Kg2 Kh7+=) 37...h4 38.h3 (38.Bb2!?+=) 38...Qg6–/+ 39.g4 Ng3 40.Kh2? (better is 40.Qd2–/+) 40...Qc2–+ 41.Qf2 Qd3 (better is 41...Ne2 42.Be3 d4–+) 42.Qb2?? (better is 42.Ra7–/+) 42...Ne2–+ 43.Bf2 (43.Ra3 Qd4 44.Qe2 Qf4 45.Kg2 Qb4–+) 43...Nf4 44.Kg1 Qf3 45.Bh4 Qh3 46.Qh2 Qg4 47.Bg3 Qg3! 48.Qg3 Ne2 49.Kf2 Ng3 50.Kg3 Re5 51.Ra8 Kh7 52.Ra7 Re3 53.Kf2 Re7 54.b5 cb5 55.c6 Re6 56.c7 Rc6 57.Rb7 f6 58.Ke3 Rc4 59.Rb5 d4 60.Ke4 Rc7 61.Rd5 Re7 62.Kd4 g5 63.Rf5 Kg6 64.Rf1 g4 65.Kd5 Kg5 66.Kd6 Re2 67.Ra1 f5 68.Ra8 g3 69.Rg8 Kf4 70.Kd5 g2 71.Kd4 Kf3 72.Kd3 f4 73.Rg7 Re1 0–1. Cueto,Jonny (2280) – Vidaurre,Luis (1875), Santa Cruz BOL, City Ch, 2014.

8.Nc3 Be7 9.Be2 =.

8.d4 ab4 9.ab4 Ra1 10.Ba1 Qa8 11.Nc3= Be7 12.Be2 b5 13.0-0 0-0 (13...Qa3 14.Nh4=) 14.h3 (14.Nh4!?+=) 14...Qa3=+ 15.Nh4 (15.Ne5 Ne5 16.de5 Ne4=+) 15...Qb4= 16.Nf5 ef5 17.Qc2 g6 (17...Qa5 18.Bb2=+ (18.Qf5? b4–+)) 18.Rb1 (better is 18.Qa2!? Ne4 19.Qa7 Nc3 20.Bc3 Qc3 21.Qd7+=) 18...Qa3 (18...Qa5 19.Nd1=+) 19.Bb2 Qa7 (19...Qa5 20.Bd3=+) 20.Ra1 (20.Bd3 Qc7=+) 20...Qc7=+ 21.f4 (21.Nd1 f4=+) 21...Rb8–/+ 22.Qb3 Kg7 23.Ra6 Qc8 (23...Ne4 24.Ne4 fe4 25.Bc3–/+) 24.Qa2 (24.Ra5 Nf8–/+) 24...h6 25.g4 (25.Nd1!?–/+) 25...fg4 26.hg4 Ng8 (26...Nf8 27.g5 hg5 28.fg5–+) 27.Bf3 (27.e4 de4 28.Ra7 Rb7=) 27...Bf6 (27...Ndf6 28.Rb6 Ra8 29.Qb3–+) 28.Qa5 (28.Ne2 b4–/+) 28...Ne7 (28...Bd8 29.Qa1–+) 29.Ra7 Rb7 (29...Qe8 30.Nd1–/+) 30.Ra8 Qc7 31.Qb4 (31.Qc7 Rc7 32.Ba3 Bh4–/+) 31...Ra7 (31...Rb8 32.Ra5–/+) 32.Ra7=+ Qa7 33.e4 de4 34.Ne4 Nd5 35.Qd2 ½–½. Urbanaites,Elvira – Lubimtseva,Alla, RUS–ch Seniors (Women), 2004.

8.d4 ab4 9.ab4 Ra1 10.Ba1 b5 11.Be2 Be7 12.Nbd2 h6 13.Bc3 Qa8 14.0-0 0-0 15.Qb3 Qb7 16.Ra1 Ra8 17.Ra3 Bd8 18.Qa2 Ra3 19.Qa3 Ne4 20.Ne4 Be4 21.Ne5 Ne5 22.de5 Bc7 23.f3 Bg6 24.Qa1 Bb8 25.Kf2 Kf8 26.h4 (26.Qe1 Qe7 27.Kg1 Qa7=) 26...Bc7+= 27.g4 Bd8 28.h5 Bh7 29.Ke1 (29.Bd4 Kg8+=) 29...Ke7 (29...Kg8 30.Bd4+=) 30.Kd2 Kd7 (30...Qc8 31.Bd4+=) 31.Bd3 (31.Qf1 Ke8=) 31...Bd3+= 32.Kd3 Ke8 33.Ke2 (33.e4 de4 34.Ke4 Be7+=) 33...Kf8 34.f4 Qe7 (34...Qd7!?+=) 35.Qa8= Qd7 36.Be1 f6 37.Bh4 Kf7 38.Kd3 (38.Qb8 Qe8=) 38...Qe8 (38...Qc7!?=) 39.Qb7+= Kg8 40.Ke2 (40.Qc8 Kf7+=) 40...g5 (40...Be7!?=) 41.ef6 (41.hg6!? Qg6 42.Kd2 Qg4 43.Qd7 Qh4 44.Qd8 Kh7 45.Qe7 Kg6 46.Qe6 Qf2 47.Kd3 Qf1 48.Kd2 Qf2 49.Kd1 Qf3 50.Kd2 Qf2=) 41...gh4 1–0. Frolov,Ivan (2340) – Anchutin,Nikita (2140), 74th ch–Urals, 2016.

8.d4 ab4 9.ab4 Ra1 10.Ba1 Be7 11.Nc3 =.

8.d4 b5 9.Bd3 Bg6 10.Ne5 Ne5 11.de5 Ne4 12.Nc3 (12.0-0 Qh4=) 12...Nc3 (12...ab4 13.ab4 Ra1 14.Ba1 Nf2 15.Kf2 Qh4 16.g3 Qb4 17.Bg6 hg6 18.e4=+) 13.Bc3= a4 14.Qe2 Bd3 15.Qd3 Be7 16.f4 g6 (16...Bh4 17.g3 Be7 18.e4=) 17.0-0-0 Qd7 18.g4 0-0-0 19.Rhf1 ½–½. Paiewonsky,P – Castillo,Jose, Sharjah, 1985.

8.Nd4 ab4 9.ab4 Ra1 10.Ba1 Bg4 =.

8.Nd4 Bg6 =.

8.Be2 ab4 9.ab4 Ra1 10.Ba1 b6 11.b5+= cb5 (11...Nc5!? 12.bc6 Bd6+=) 12.c6+– Nc5 13.Bb5 Qc7 14.Bf6 gf6 15.Nc3 Nd3 (15...Bd6 16.Nd4 Bg6 17.Be2+–) 16.Ke2 Nb2?? (16...Nb4 17.Qa4 e5 18.Qa8 Ke7+–) 17.Qb3 (17.Qa1 Nc4 18.Qa8 Ke7 19.Bc4 Bg7 20.Qa3 Kd8+–) 17...Nc4 18.Bc4 dc4 19.Qc4 Bc5 20.d4 Qc6 21.dc5 Qc5 22.Qc5 bc5 23.Ra1 0-0 24.Nh4 Bc2 25.Kd2 Bb3 26.Ne4 Rd8 27.Kc3 c4 (27...f5 28.Nc5 (28.Kb3?! fe4 29.Kc4 Rd2+–) 28...Bd5 29.Ra7+–) 28.Nf6 Kg7 29.Nh5 Kg8 (29...Kh6 30.Nf4+–) 30.Ra7 Rd3 (30...Kf8 31.Nf3 Bd1 32.Nf6 Bf3 33.gf3+–) 31.Kb4 Bd1 (31...Rd8+–) 32.Ra8 (32.Ra8 Rd8 33.Rd8) 1–0. Janek – Frederico, internet, 2018.

8.Be2 ab4 9.ab4 Ra1 10.Ba1 Qc7 11.Nd4 =.

8.Be2 ab4 9.ab4 Ra1 10.Ba1 Be7 11.Nd4 Bg6 12.f4 Qa8 13.Nc3 Qa3 14.Qa4 Qa4 15.Na4 e5 (15...0-0 16.Bb2=) 16.Nb3 (16.fe5 Ne5 17.b5 Nfd7=) 16...Bc2 17.fe5 (17.Bd1 Bd1 18.Kd1=) 17...Ne5 (better is 17...Ne4 18.Na5 Ba4 19.Nb7 0-0–/+) 18.Nd4?? (18.Na5 Nfd7 19.Be5 Ne5 20.Nb6+=) 18...Bd3?? (better is 18...Ba4 19.Nf5 Nfd7 20.Ng7 Kf8–+) 19.Kf2 Bg6 20.Bb2 Nd3 21.Bd3 Bd3 22.Ra1 Ng4 23.Kg1+= Bf6 24.Bc3 Ne5 25.Nb2 Ba6 26.h3 Kf8 27.Kf2 h5 28.Kg3 Ke8 29.Kf4 Nd7 30.Nf3 Bd8 31.g4 hg4 32.hg4? Bc7–+ 33.Kg5 Be2?? 34.Nd4= Ba6 35.Nf3? Bf1?? 36.Ne5?? Be5?? 37.Be5= Be2?? (better is 37...f6 38.Kf5 Rh1=) ½–½. Luzuriaga,Norberto Horacio – Steinmann,Joachim, corr or01–002, 2001.

8.Be2 b6 9.b5!? =.

8.Be2 b6 9.d4 Qb8–/+ 10.b5 (10.Nh4 bc5 11.Nf5 ef5–/+) 10...bc5 11.bc6 (better is 11.dc5!? Bc5 12.Nh4–/+) 11...Qb2–+ 12.cd7 Nd7 13.Nbd2 Be7 (13...c4 14.e4 Be4 15.Ne4 de4 16.Nd2–+) 14.0-0 0-0 (14...c4 15.e4 Be4 16.Ne4 de4 17.Nd2 Qd4 18.Nc4 Qd1 19.Rfd1–/+) 15.dc5 Bc5 16.a4 Rfc8 (16...Bb4 17.Bb5 Nc5 18.Qc1–+) 17.Bb5 Nf6 (17...Ne5 18.Ne5 Qe5 19.Rc1–+) 18.Qb3–/+ Qb3 19.Nb3 Ne4 (19...Bb4 20.Nfd4–/+) 20.Rfc1 Bb4 21.Nbd4 (21.Nfd4 Bg6–/+) 21...Bg6 22.Rc6 (22.Ne5 Rc3–/+) 22...Rc6 23.Nc6 Nc3 24.Nfd4 Bb1 (24...Nb5?! 25.ab5 Bc3 26.Rd1=) 25.g3 g5 (25...Nb5 26.ab5 e5 27.Rb1 ed4 28.Nb4 ab4 29.ed4+– (29.Rb4?! de3 30.fe3 Rb8+=)) 26.Kg2 Kg7 27.g4 Kf6 28.f4 Bd6 29.Kf3 h5! 30.gh5 Be4 31.Kg4 gf4 32.ef4 Rg8 33.Kh4 Bf4 34.Rf1–/+ e5 35.Na5? Bg2–+ 36.Rf2 Ne4 37.Rf4 ef4 38.Be2 Nc3 39.Bd3 0–1. Morriss,Pete – Novkovic,Mi (2390), ECU Club Cup, 2006.

8.Be2 Be7 9.0-0 ab4 10.ab4 Ra1 11.Ba1 b5 (11...Qc7 12.Nd4=) 12.d3 (12.Nd4 Qc7+=) 12...Bg4= 13.Nbd2 (13.Ne5 Ne5 14.Be5 Be2 15.Qe2 0-0=) 13...0-0 14.Nd4 Be2 15.Qe2 Qc7 16.f4 Ra8 17.Bc3 (17.N2f3 Ra6=) 17...Bf8 (17...Ra3 18.N2b3=) 18.Ra1 (18.e4 de4 19.de4 Ra2+=) 18...Ra1 19.Ba1 Qa7 (19...g6 20.g4=) 20.Bc3 Nb8 (20...Qc7 21.e4+=) 21.N2b3 (21.N2f3 Qc7+=) 21...Nfd7 (21...Qc7 22.Nf3 Nfd7 23.Ne5+=) 22.Qb2 (22.Na5 Qc7+=) 22...g6 (22...Be7 23.e4+=) 23.Na5 Qa8 (23...Qc7 24.Nf3+=) 24.Qa1+/– Bg7 25.Kf2 (25.Nb5!? Qa6 26.Bg7 Qb5 27.Bh8+=) 25...e5 26.Nf3 d4 27.ed4 ef4 28.d5 (28.Kg1 h6+/–) 28...Bc3 29.Qc3 cd5 30.c6 Nb6 31.Qc5 Qa6? (better is 31...Qa7!? 32.Qb5 Qc7+/–) 32.Nd4 (better is 32.Qe7 Qc8 33.Ne5 Qe6 34.Qd8 Kg7 35.Qb8 d4+–) 32...Na4? (better is 32...h6+–) 33.c7 Nc5 34.cb8Q Kg7 35.bc5 Qa5 36.Qb5 Qd2 37.Ne2 Qe3 38.Ke1 f3 39.gf3 Qf3 40.c6 Qh1 41.Kd2 Qh2 42.Qd5 h5 43.Qd4 Kh7 44.Qd7 (44...Kg7 45.c7+–) 1–0. Labahn,Wolfgang – Cichecki,H, Beskidy op, 1992.

9.b5 0-0 A) 10.Nc3 Ne4 (10...Qc7 11.h3 h6 12.Be2 cb5 13.Nb5 Qc6 14.0-0 Ne4; 10...a4 11.Bd3 Qa5 12.0-0 cb5 13.Nb5 Ne4 14.h3 h6) 11.Bd3 Ndf6 12.Ne5 Nc3 13.Bc3 cb5 14.Bb5 Ne4; B) 10.Nbd2 a4 (10...Ne4 11.Be2 Bf6 12.Ra2 a4 13.0-0 Qe7 14.h3 h6) 11.b6 Ne4 12.Be2 h6 13.0-0 e5 14.Qc1 Nd2; C) 10.Be2 Ne4 (10...cb5 11.Bb5 Ne4 12.Nfd2 Nd2 13.Nd2 Bf6 14.Rc1 Nb8; 10...Qb8 11.Nc3 Ne4 12.0-0 Bf6 13.Qb3 h6 14.g3 Re8) 11.Nbd2 Nd2 12.Nd2 e5 13.0-0 ed4 14.ed4 Bf6.

9.b5 a4 A) 10.Nc3 Qa5 (10...Ne4 11.Be2 0-0 12.0-0 h6 13.Bd3 cb5 14.Qc2 Ndf6) 11.Be2 Ne4 12.Rc1 Bf6 13.0-0 Ndc5 14.Ne4 Ne4; B) 10.Bd3 Qa5 (10...Ne4 11.0-0 cb5 12.Nc3 0-0 13.Qc2 Nc3 14.Bf5 ef5; 10...cb5 11.Nc3 Qa5 12.0-0 0-0 13.Nb5 Ne4 14.h3 h6) 11.Bc3 Qc7 12.Bf5 ef5 13.b6 Qd8 14.0-0 Ne4.

9.b5 Qb8 A) 10.Nc3 0-0 (10...h6 11.Be2 0-0 12.0-0 Rd8 13.Bd3 Bd3 14.Qd3 e5) 11.Be2 h6 12.0-0 Ne4 13.Ne4 de4 14.Nd2 Qd8; B) 10.Be2 0-0 (10...Ne4 11.Nc3 Bf6 12.Qb3 0-0 13.0-0 h6 14.Rac1 e5; 10...h5 11.Nc3 0-0 12.0-0 Ne4 13.Ne4 de4 14.Nd2 Nf6) 11.Nc3 Ne4 12.0-0 Bf6 13.Qb3 h6 14.h3 e5; C) 10.Nbd2 h6 (10...0-0 11.Be2 Ne4 12.0-0 Bf6 13.Qb3 Nd2 14.Nd2 e5; 10...a4 11.Be2 0-0 12.0-0 h6 13.h3 Nh7 14.Bc3 Nhf6) 11.Be2 0-0 12.0-0 a4 13.Bc3 cb5 14.Nh4 Bh7; D) 10.Bd3 0-0 (10...Ne4 11.Nc3 0-0 12.0-0 cb5 13.Nb5 Qc8 14.h3 Qc6; 10...Bd3 11.Qd3 0-0 12.0-0 e5 13.Ne5 Ne5 14.de5 Nd7) 11.0-0 Bd3 12.Qd3 e5 13.Ne5 Ne5 14.de5 Nd7.

9.b5 Ne4 A) 10.Bd3 0-0 (10...Bf6 11.Qc2 cb5 12.Nc3 b4 13.ab4 Nc3 14.Bf5 ab4; 10...cb5 11.Bb5 0-0 12.Nfd2 Qc7 13.Ne4 Be4 14.0-0 h6) 11.Nc3 Ndf6 12.Ne5 Nc3 13.Bc3 cb5 14.Bb5 Ne4; B) 10.Nfd2 e5 (10...0-0 11.Ne4 de4 12.Bc4 e5 13.0-0 ed4 14.ed4 Nf6; 10...Nd2 11.Nd2 0-0 12.Be2 e5 13.0-0 ed4 14.ed4 Bf6) 11.Ne4 de4 12.Nd2 0-0 13.g4 Bg6 14.Bg2 ed4; C) 10.Nbd2 Bf6 (10...0-0 11.Be2 a4 12.0-0 Bf6 13.Ne4 Be4 14.Qd2 Qe7; 10...a4 11.Ne4 de4 12.Nd2 0-0 13.Be2 e5 14.Qc2 ed4) 11.Ra2 0-0 12.Be2 a4 13.0-0 Qe7 14.h3 h6; D) 10.Nc3 a4 (10...0-0 11.Bd3 Ndf6 12.Ne5 Nc3 13.Bc3 cb5 14.Bb5 Ne4; 10...Bf6 11.Rc1 0-0 12.Be2 h6 13.Qa4 Qc7 14.0-0 Rfe8) 11.b6 0-0 12.Bd3 Ndf6 13.0-0 Nc3 14.Bc3 Ne4.

9.Nc3 0-0 10.Be2 (10.b5 Ne4 11.Bd3 Ndf6 12.Ne5 Nc3 13.Bc3 cb5 14.Bb5 Ne4) 10...b5 (10...ab4 11.ab4 b6 12.Nh4 Ra1 13.Ba1 Qc7 14.Nf5 ef5; 10...h6 11.b5 Ne4 12.0-0 cb5 13.Bb5 Qc7 14.Ne4 de4) 11.Nh4 Be4 12.0-0 h6 13.g3 Qc7 14.Ne4 Ne4.

9.Nc3 ab4 10.ab4 Ra1 (10...Ne4 11.Be2 0-0 12.0-0 Qc7 13.b5 b6 14.cb6 Qb6; 10...0-0 11.Ra8 Qa8 12.Bd3 b6 13.Bf5 ef5 14.0-0 Qb7) 11.Qa1 0-0 12.Be2 Qc7 13.Qa7 Qb8 14.Qb8 Rb8.

9.Nc3 b5 10.Ne5 (10.Be2 Qc7 (10...Ne4 11.0-0 0-0 12.Ne4 de4 13.Ne5 Ne5 14.de5 ab4; 10...0-0 11.Nh4 Be4 12.0-0 h6 13.Qd2 Qc7 14.Nf3 Ng4) 11.Nh4 Be4 12.0-0 h5 13.g3 0-0 14.Qd2 Bh7; 10.h3 0-0 (10...Qc7 11.Be2 0-0 12.0-0 h6 13.Qb3 Rfe8 14.Rfd1 Reb8; 10...Ne4 11.Be2 0-0 12.0-0 Qc7 13.Ne4 Be4 14.Qd2 Bf6) 11.Be2 Qc7 12.0-0 h6 13.Qb3 Rfe8 14.Rfd1 Reb8; 10.Nh4 Bg4 (10...Be4 11.Be2 0-0 12.0-0 h6 13.g3 Qc7 14.Ne4 Ne4; 10...ab4 11.ab4 Ra1 12.Qa1 Bc2 13.Be2 Ne4 14.Nf3 Qc7) 11.Nf3 Qc7 12.Be2 Ne4 13.h3 Bf5 14.0-0 0-0; 10.Bd3 ab4 (10...0-0 11.Bf5 ef5 12.0-0 Ne4 13.Qc2 Qc7 14.h3 Bf6; 10...Qc7 11.0-0 ab4 12.ab4 Ra1 13.Ba1 0-0 14.Qc2 Bd3) 11.ab4 Ra1 12.Ba1 0-0 13.0-0 Qc7 14.Qc2 Bd3) 10...Ne5 (10...Qc7 11.Nd7 Qd7 12.Be2 0-0 13.0-0 Qc7 14.Qd2 Ra7; 10...ab4 11.ab4 Ne5 12.de5 Ne4 13.Ne4 Ra1 14.Qa1 Be4) 11.de5 Ne4 (11...Nd7 12.Be2 0-0 13.0-0 ab4 14.ab4 Ra1) 12.Ne2 (better is 12.Ne4 Be4 (12...de4 13.Be2 Qd1 14.Rd1 ab4) 13.f3+= Bf5 14.Bd3 ab4) 12...h6?? (better is 12...Bg4–/+ 13.Qc2 ab4 14.ab4 Ra1) 13.Nd4 (13.f3 0-0 14.fe4 Be4+–) 13...Qd7 14.g4 (better is 14.f3 Bh4 15.g3 Ng3 16.hg3 Bg3 17.Kd2 Be5 18.a4 ab4 19.ab5+/–) 14...Bh4?? (better is 14...Bg6 15.Bd3 ab4 16.ab4 Ra1 17.Qa1 0-0 18.Be4 Be4+=) 15.gf5+– Nf2 (15...ef5 16.Bg2 Nf2 17.Qh5 Nd3 18.Ke2 Nb2 19.e6+–) 16.Qh5 Nd3? (16...Nh1 17.Qh4 ab4+–) 17.Kd2 Nb2 18.fe6 (18.Qh4?! ab4 19.Rg1 Qc7+–) 18...Qc7 19.ef7 Qf7 20.Qh4 0-0 21.Bh3 (21.e6!? Qg6 22.Nc6 Rae8 23.Bb5 Qe6+–) 21...Nc4? (better is 21...Qf2 22.Qf2 Rf2 23.Ne2 ab4+/–) 22.Ke2 Qc7 23.Rhg1 (23.e6!? ab4 24.Qg3 Qg3 25.hg3 ba3+–) 23...Qe5 24.Qg3 Rae8?! (24...Qg3 25.hg3 Rf6+–) 25.Be6! Re6 26.Qg7!! (26.Ne6?? Qb2 27.Kd1 Qd2) 26...Qg7 27.Rg7 (27.Ne6?! Rf7 28.Ng7 Rg7+–) 27...Kg7 28.Ne6 Kg8 29.Rg1 (worse is 29.Nf8 Kf8 30.a4 ba4 31.ba5 Na5 32.Ra4 Nb3+–) 29...Kf7 30.Nf8 Kf8 31.Rg6 1–0. Forman,Stepan – Vohnout,Pavel, CZE opJ–E Svetla nad Sazavou, 1994.

9.Nc3 Qc7 10.b5 (10.Be2 b6 11.Nh4 Be4 12.0-0 0-0 13.f3 ab4 14.ab4 Ra1) 10...Ne4 (10...0-0 11.Be2 Ne4 12.b6 Qd8 13.0-0 Ndf6 14.Qe1 h6; 10...cb5 11.Bb5 h6 12.0-0 0-0 13.h3 Ne4 14.Ne4 de4) 11.Be2 Nc3 12.Bc3 cb5 13.Bb5 0-0 14.Bb2 h6.

9.Nc3 Ne4 A) 10.b5 a4 (10...0-0 11.Bd3 Ndf6 12.Ne5 Nc3 13.Bc3 cb5 14.Bb5 Ne4; 10...Qc7 11.Be2 Nc3 12.Bc3 cb5 13.Bb5 0-0 14.Bb2 Nb8) 11.b6 e5 12.Ne4 de4 13.Qc2 ed4 14.Nd4 Bg6; B) 10.Be2 0-0 (10...Ndf6 11.0-0 Nc3 12.Bc3 Ne4 13.Qc1 0-0 14.ba5 Nc3; 10...Nc3 11.Bc3 Nf6 12.Nd2 ab4 13.ab4 Ra1 14.Qa1 0-0) 11.0-0 Qc7 12.Ne4 de4 13.Nd2 ab4 14.ab4 b5.

8.Nc3 0-0 9.d4 c6 10.Bd3 (10.b5 Ne4=) 10...Ne4 (10...Bd3 11.Qd3 ab4 12.ab4 Ra1 13.Ba1=) 11.0-0 Bf6 (11...b5!?=) 12.Be4+= de4 13.Nd2 b6 14.Nde4 bc5 15.Nf6 (15.bc5 Rb8 16.Rb1 e5+/–) 15...Nf6 16.dc5 ab4 (16...Qb8 17.Qd6+/–) 17.ab4 Ne4?? (17...Ra1 18.Qa1 Qb8 19.e4+/–) 18.Ne4 (better is 18.Ra8 Qa8 19.Ne4 Be4 20.Qd4+–) 18...Qd1 19.Nf6! gf6 20.Rfd1 Ra1 21.Ba1 Ra8? (better is 21...e5!?+/–) 22.Bf6+– h6 (22...Bc2 23.Rd6 Ba4+–) 23.Rd8 (better is 23.Rd6 Rc8 24.f3+–) 23...Rd8 24.Bd8 Kg7 25.f3 Bd3 26.Kf2 f6 (26...f5 27.g3+–) 27.e4 Kf7 28.Ke3 Bb5 29.g4 e5 30.f4 Ke6 31.fe5 fe5 32.g5 hg5 33.Bg5 Kf7 34.Kf3 Kg6 35.Bc1 Bf1 36.Bb2 Kf6 37.h4 Bd3 38.h5 Kg5 39.Be5 Kh5 40.Ke3 Bb5 41.Kd4 Kg6 42.Bh8 Kf7 43.Ke5 Ke7 44.Kf5 Kd7 45.Kf6 Bc4 46.e5 Bd5 47.Bg7 ½–½. jackhammer3000 (1790) – jraul (1805), gameknot.com, 2015.

8.Nc3 0-0=+ 9.d4 Ne4 10.Bd3 Ndf6 11.0-0 Bg4 12.Qc2 (12...Bf3 13.gf3=). Trokenheim,Marek – Retinskij,W, corr ICCF EU–H, 1992.

8.Nc3 0-0 9.d4 Ne4 10.Ne4 de4 11.Nd2 =.

8.Nc3 c6 9.Be2 0-0 10.0-0 Bg4 11.d4 b5 12.h3 Bh5 13.Nh2 Be2 14.Qe2 Qc7 15.f4 Ne4 16.Ne4 de4 17.Ng4 f5 18.Ne5 Nf6 19.Rfb1 (19.a4 ba4 20.Ra4 ab4=) 19...ab4 20.ab4 Nd5 21.Qe1 Bf6 22.Kf2 (22.Bc3 Ra4+=) 22...g5 23.Bc1 Qg7 24.Kg1 Be5 25.de5 h6 26.Bd2 Kh7 27.Kh2 Rg8 28.g3 Qd7 29.Rb3? (better is 29.Ra5+=) 29...Ra1–+ 30.Qa1 Nf4 31.Be1 (31.Rb2 Nd3 32.Ra2 Qd5–+) 31...Nd3 32.Ra3 Rg7 33.Bc3 (33.Ra2 Qd5 34.Ra7 Ne1 (34...Ne5 35.Rg7 Kg7 36.Bc3=; 34...Qe5?! 35.Bc3 Qc3 36.Qc3 Ra7 37.Qf6=) 35.Rg7 Kg7 36.Qe1 Qe5–+) 33...f4 34.Be1 (34.ef4 gf4 35.gf4 Nf4 36.Bd4–+) 34...fe3 35.Ra2 Rf7 36.Re2 (36.g4–+) 36...Rf1 37.Re3 Ne1 38.Re1 Qd2 (38...Qd2 39.Re2 Qe2) 0–1. Tagirov,Kajum K (1875) – Gavrilov,Vsevolod (2160), Dautov Memorial, 2010.

8.Nc3 c6 9.Be2 h6 10.0-0 0-0 11.Nd4 Bg6 12.f4 e5 13.fe5 Ne5 14.Nf5 Ned7 (14...Nc4 15.Ne7 Qe7 16.Qc1=) 15.Rf3 Re8 16.Ne7 Re7 17.Rg3 (17.Rf4 Ne5+=) 17...b6 18.h4 (better 18.cb6!? Nb6 19.Rf3=) 18...Qc7 19.Qe1 (19.Rf3 bc5 20.bc5 Nc5–/+) 19...bc5 20.h5 (better 20.ba5!? Qa5 21.Rh3–+) 20...Bh5–+ (20...Nh5?! 21.Bh5 d4 22.Bg6 (22.Rg6? fg6 23.Bg6 dc3 24.dc3 Ne5–+) 22...dc3 23.Bc3 (worse 23.dc3 fg6 24.Rh3 Ne5–/+) 23...fg6 24.ba5=) 21.Bh5 Nh5 22.Rh3 (22.Rg4 Nhf6 23.Rh4 Rb8–+) 22...Nhf6 (22...Nf4 23.Rh2 Nd3 24.Qb1 Nb2 25.Qb2 ab4 26.ab4 Ra1 27.Qa1 cb4 28.Ne2–+) 23.Qh4?! (23.ba5 c4–+) 23...ab4 (23...Rb8 24.Rg3 cb4 25.Nd5 cd5 26.Bf6 Nf6 27.Qf6 Qg3 28.Qe7–+) 24.ab4 Ra1 25.Ba1 Qb6 (25...d4 26.Nd1 Qb8 27.Qf2–+) 26.b5? (26.Rg3 Kh7 (26...Qb4?! 27.Qh6 Ng4 28.Qd6=+; 26...cb4 27.Qh6 Ng4 28.Rg4+–) 27.bc5 Qc5–+) 26...Re6 (26...d4 27.ed4 cd4 28.Nb1–+) 27.Rg3 (27.bc6 Rc6 28.Qe1 Rc7–+) 27...Kf8 (better 27...d4!? 28.Qh6 Ne8 29.Qh1 dc3 30.Rh3–+) 28.bc6 Qc6 29.Ne2 d4! 30.Rf3 (30.ed4 Qe4 Double attack (30...Re2 Pinning; 30...Re2 Deflection; 30...Qe4 Decoy)) 30...Qa4 (30...Kg8 31.Nf4 de3 32.de3–+) 31.Rf1 Qa2 (31...Re4 32.Qf2 Qc2 33.ed4 Qd2 34.Ng3 Qf2 35.Kf2 Rf4 36.Ke2 Rf1 37.Nf1–+) 32.Nf4 Re4 33.ed4 cd4 (33...c4 34.Qf2 Kg8–+) 34.Bd4? (better 34.d3 Re8 35.Bd4=+) 34...Qd2–+ 35.Bf6 Nf6 (35...gf6?! 36.Ng6 fg6 37.Qe4=+) 36.Ng6? (36.Qg3–+) 36...Kg8 (better 36...Ke8!? 37.Nf4 Qd4 38.Kh1–+) 37.Qg3 (37.Nf4 Qd4 38.Kh1–+) 37…Qd4 (37...Qd4 38.Qf2 fg6 39.Qd4 Rd4–+) 0–1. Pisarsky,Georgy (2055) – Podshivalin,Gennady (2125), sfo–s–07, 2007.

8.d3 ab4 9.ab4 Ra1 (9...b6 10.Ra8 Qa8 11.Bf6 Bf6 12.d4=+) 10.Ba1 b6 11.d4 (11.Bf6 Bf6 12.d4 0-0=+) 11...Qa8 12.Bc3 Ne4 13.Bd3 (13.Bb5 c6 (< 13...bc5 14.Ne5 Nef6 15.bc5+=) 14.Qa4 Qa4 15.Ba4 b5=+ (< 15...bc5 16.bc5 Bc5 17.dc5+=)) 13...Nc3 14.Nc3 Qa3 15.Qc2 Bd3 (15...Qb4 16.Bf5 ef5 17.0-0=) 16.Qd3 Qb4 17.cb6 Nb6 (17...cb6 18.0-0–/+) 18.0-0 0-0 19.Rb1 Qa3 (19...Qc4 20.Qc2–/+) 20.Nb5?? (better is 20.Ne5–/+) 20…Qd3–+ (21.Nc3 Qc3–+) 0–1. kiloracer (1755) – psychess (2000), net–chess.com, 2005.

8.Nd4= Bb1 9.Rb1 e5 10.Nf5 ab4 11.ab4 = (< 11.Ng7 Kf8 12.Nf5 ba3–/+).

8.Nd4 Bb1 9.c6 ab4? 10.cb7 Ra3 11.Ba3 +–.

8.Nd4 Bb1 9.c6 ab4? 10.cd7?! Qd7 11.Qb1 ba3 +/–.

8.Nd4 Bb1 9.c6 bc6 10.Nc6 Qc8 11.Ne7 Ke7 12.Qb1 ab4 13.ab4 Qb7 =.

8.Nd4= c6 9.Nf5+= ef5 10.Qc2 ab4 11.ab4 Ra1 12.Ba1 g6 (12...b6 13.b5 Nc5 14.Bf6 Bf6 15.d4+/–) 13.Be2+/– 0-0 14.0-0 Re8 15.d3 Bf8 16.Nd2 Bg7 17.Nf3 Qe7 18.Nd4 Ng4 19.Bg4 fg4 20.Nb3 Ne5 21.Be5 (21.e4 f5+=) 21...Be5= 22.d4 Bb8 23.Ra1 h5 (23...Qc7 24.g3=) 24.Qd3 (24.Nd2 Qh4 25.Nf1 Bc7+/–) 24...h4+= 25.b5 (25.g3 hg3 26.hg3 Qd7+=) 25...cb5 26.Qb5 g3 27.hg3 hg3 28.Qe2 (28.Ra2 Qe4 29.Na1 gf2 30.Rf2 Qe3=) 28...Qh4 (28...Bf4 29.Re1=+) 29.fg3 (29.Qf3 gf2 30.Qf2 Qh6–/+) 29...Bg3 30.Qf3 Re6 31.Qd5? (31.Ra8 Kg7 32.c6–+) 31…Rf6 (32.Ra8 Kg7 33.Rg8 Kg8 34.Qd8 Kg7 35.Qf6 Qf6 36.Nd2 Qf2 37.Kh1 Qe1 38.Nf1 Qf1#) 0–1. Kreuzer,Uwe – Diehg, Mannheim GER, 1991.

8.Be2 0-0 9.0-0 c6 10.Nc3 Qc7 11.Nh4 Ne4 (11...Ne5 12.Nf5 ef5 13.Na4+=) 12.Nf5+= ef5 13.Qc2 g6 14.d4 Bg5 Black plans f4 15.Ne4 fe4 (15...de4 16.Bc3+=) 16.Bc3+= f5 Black prepares the advance f4 (16...ab4 17.ab4 b6 18.cb6 Qb6 19.Ra5+–) 17.ba5+– f4 18.ef4 Bf4 19.g3 Bh6 20.f4 ef3 21.Bf3 Nf6 22.Rfe1 (22.Rae1 Qd7+–) 22...Qd7 (22...Rae8 23.Re8 Re8 24.Kg2+=) 23.Rab1 (23.Kg2 Rae8+=) 23...Rae8 24.Qd3 (24.Kg2 Ng4 25.Bg4 Qg4+=) 24...Re7 (24...Qf7!?+=) 25.Re7+– Qe7 26.Re1 Qd7 (26...Qf7 27.Kg2+–) 27.Kg2 (27.a4 Qf7+–) 27...Bg7 (27...Re8 28.Re8 Qe8 29.a6 ba6 30.Qa6+–) 28.a4 (28.Qb1 Qf7+–) 28...Ng4 (28...Qf7 29.h4+–) 29.Qe2 (29.Qe2 h5 30.Qd3+–) 1–0. Janek – Osiomo, internet, 2017.

8.Be2 0-0 9.Nd4 =.

8.Be2 ab4 9.ab4= Ra1 10.Ba1 0-0 11.0-0 (11.Bd4 c6=) 11...Qa8 (11...b6 12.Bf6 Nf6 13.d4=) 12.Nc3 (12.Bf6 Nf6 13.d4 Qd8=) 12...b6 (12...Qa3 13.d4 Ne4 14.Qe1=) 13.cb6 Nb6 (13...cb6 14.Nh4 Bb4 15.Nf5 ef5 16.Qb1 Bc3 17.Bc3=) 14.Qb3 (14.b5 Qc8=) 14...Rd8 (14...Qb7 15.Rc1=) 15.Bb2 (15.Nb5 Rc8=) 15...Nc4=+ 16.Ra1 Qb7 17.b5 c5 (17...Nb2 18.Qb2 c5=+) 18.h3 (better is 18.Bc4 dc4 19.Qc4+=) 18...Nb2–/+ 19.Qb2 d4 20.ed4 (20.Na4 d3 21.Bd1 Ne4–/+) 20...cd4 21.Nb1 (21.Na4 d3 22.Bd1 Nd5–/+) 21...d3 22.Bd1 Nd5 23.Qb3 Nf4 24.Nc3 Bf6 25.Rb1 Ne2 26.Ne2=+ de2 27.Bc2 Bh3?? 28.gh3+– e5 29.Qe3 Qc8 30.Ne1 Rd4 31.b6 h6 32.b7 Qb8 33.Qe2 Bh4 34.Nf3 Bf2 35.Kf2 Rd7 36.Qe5 (36...Rd8 37.Qb8 Rb8 38.Ra1+–) 1–0. hal1958 – n4337m, playchess.de, 2003.

8.Nd4 Bb1 9.Nc6= Qc8 10.Qb1 ab4 (worse 10...Bb4 11.Nb4 ab4 12.Bf6 Nf6 13.Qb4=) 11.Be2 (11.Bf6!? gf6 12.Bb5=+ (12.Nb4? Rb8-+)) 11...Qb7-/+ 12.Qc2 Bd6 13.0-0 Nc5 (13...0-0 14.Rfb1 Ne4 15.Bc1-/+) 14.Ne5 (14.Bf6 gf6 (worse 14...Qc6 15.Bg7 Rg8 16.Qh7+/-) 15.Nd4 c6=+) 14...Na4 15.f4 Nb2 16.Qb2 c5 17.a4 (17.a3 0-0-/+) 17...0-0 18.Bb5 Be5 19.fe5 Ne4 20.d3? (better 20.d4!?-/+) 20...Nc3-+ 21.d4 Nb5 22.ab5 Ra1 23.Ra1 cd4 (better 23...Qb5!? 24.Rb1-+) 24.Qb4 de3 25.b6 Rb8 (25...Qc6 26.Rb1 e2 27.g3-+) 26.Ra7-/+ Qc6 (26...Rc8 27.h3 Qb8=) 27.Rc7 Qa8 (27...Ra8!? 28.Kf1 Qe8=+) 28.Ra7= Qc6 29.Rc7 Qa8 (29...Rb6 30.Rc6 h6 31.Qb6 e2 32.Rc8 Kh7 33.Qb1 g6 34.Kf2 h5 35.Qb4 e1Q 36.Ke1 d4 37.Qf8 g5 38.Qf7 Kh6 39.Rh8) 30.Qc3 (better 30.Ra7 Qc6=) 30...g6-+ 31.b7 (31.Qe3 Qa5 32.Rc6-+) 31...Qa7 32.Rc8? (32.Kf1 Rb7 33.Rb7 Qb7 34.Qe3 Qb1 35.Kf2 Qf5 36.Ke1-+) 32...Kg7 33.Rb8 (33.Qe1 Rb7 (33...Qb7?! 34.Rb8 Qb8 35.Qe3-+) 34.Rc1 Qd4-+) 33...e2 (33...Qb8?! 34.Qb2 d4 35.Qd4-+) 34.Kh1 Qf2 (34...Qb8 35.h3 Qb7 36.Qe1-+) 35.Rg8 Kg8 36.b8Q Kg7 37.h3 e1Q (better 37...d4 38.Qa5 e1Q 39.Qe1 Qe1 40.Kh2 d3-+) 38.Qe1 Qe1 39.Kh2 Qe4 40.Qd6 (40.Kg1 d4 41.Kf1 Qd3 42.Kg1 Qe3 43.Kf1 Qc1 44.Ke2 Qc2 45.Kf3 d3-+) 40...Qf4 (40...d4 41.Qc5-+) 41.Kg1 Qc1 (better 41...d4!? 42.Qb4-+) 42.Kf2 Qf4 (42...Qd2 43.Kg1-+) 43.Ke2?? (43.Kg1 d4 44.Qc5-+) 43...Qe4 44.Kf2 Qf4 45.Ke1?? (45.Ke2 g5 46.Qc7-+) 45...h5 (45...d4 46.Kd1-+) 46.Ke2 Qe4 47.Kf2 Qf4 48.Kg1?? (48.Ke2 Qc4 49.Kf2-+) 48...Qg3 (48...d4 49.Qa3 Qe5 50.Kf1-+) 49.Qb8 (49.Kh1 Qe3 50.Kh2 g5-+) 49...Qe1 (49...d4 50.Qb1 Qe5 51.Qd1-+) 50.Kh2 d4 51.Qb5 Qe3 52.Qc5 Qf4 53.g3 (53.Kg1 Qd2 54.Kh2 d3-+) 53...Qf2 54.Kh1 Qf3 (better 54...Qf1 55.Kh2 d3 56.Qb4-+) 55.Kh2 (55.Kg1 Qd1 56.Kg2 Qe2 57.Kg1 Qe1 58.Kg2 d3-+) 55...d3 56.Qd4 Qe2 57.Kh1 d2 58.h4 d1Q 59.Qd1 Qd1 60.Kg2 Qd2 61.Kh3 Qe3 (61...g5 62.g4 Qf2 63.gh5 gh4 64.h6 Kh6 65.Kg4 Qg3) 62.Kg2-+ Qe5 63.Kf3 Qd5 64.Kf2 Qf5 65.Ke3 Qg4 66.Kf2 e5 67.Kg2 e4 68.Kf2 (68.Kh2 e3 69.Kg2 Qe2 70.Kh3 Qf1 71.Kh2 Qf2 72.Kh3 Qg1 73.g4 hg4) 68...Qf3 69.Ke1 (69.Kg1 e3 70.Kh2 Qf2 71.Kh3 Qg1 72.g4 hg4) 69...e3 70.g4 Qf2 71.Kd1 e2 (71...Qd2) 72.Kd2 (72.Kc2 e1Q 73.Kb3 Qa5 74.Kc4 Qe2 75.Kd4 Qae5) 72...e1Q 73.Kd3 Qf4 (73...Qc5 74.gh5 Qee3) 74.g5 (74.Kc2 Qed2 75.Kb3 Qfb4) 74...Qee3 (74...Qed2) 75.Kc2 Qff2 76.Kd1 Qed2 (76...Qfe2) 0-1. SSAARR (1965) - NoJob (1670), Rated Blitz game, lichess.org, 2014.

8.Nd4 ab4!? 9.Nc6 Qc8-/+.

8.Nd4 Nb8 9.ba5 (9.Nf5 ef5 10.ba5 Bd6=) 9...Bg6 (9...Be4 10.Qa4 Qd7 11.Nc3=) 10.Qa4 Attacks the backward pawn on c6 10...Qd7 11.a6 Ra7 (11...Ne4 12.a7 Nc5 A) worse 13.ab8N Rb8 (13...Ra4? 14.Nd7 Kd7 15.Nf3+-) 14.Qc6 Qc6 15.Nc6 Rb2=+; B) 13.Qa5+/-) 12.f4?? (12.Nc6!? Bc2 13.Qc2 Qc6 14.Qc6 Nc6 15.Bb5+-) 12...Bd6 (12...Ne4 13.Nf3-/+) 13.Be2 (13.Nc6!? Nc6 14.Bb5=) 13...0-0 14.0-0 c5 15.Qd7 Nfd7 (15...Nbd7 16.Nb5 Ra6 17.Nd6 Rd6 18.Bf6 Nf6 19.a4-/+) 16.Nb5= Ra6 17.Nd6 Rd6 18.Nc3 (18.g4 f6=) 18...Rb6 (18...d4 19.Nd1=+) 19.Bc1 (19.Ba3 Rb7=) 19...Nc6 20.a4 c4 21.d4? (better 21.f5!? Bf5 22.Nd5 ed5 23.Rf5-/+) 21...Ra8 (21...cd3 22.Bf3-+) 22.Nb5? (better 22.Ba3!?-/+) 22...Rb5!-+ 23.ab5 Ra1 24.bc6 Nb8 25.Bb2?! (25.Bf3 c3 26.g4 Bd3-+ (26...Nc6?! 27.f5 ef5 28.gf5 Bf5 29.Bd5-+)) 25...Rf1 (better 25...Ra2 26.Bc3 Re2-+) 26.Kf1 Nc6 27.Bc3 Kf8 28.Ke1 Be4 29.g4 g6 (29...Ke7 30.Bd1-+) 30.Kd2 f5 (30...h6 31.h4-+) 31.g5 Na7 32.Bb4 Kf7 33.Bd1 c6 34.Ba4 Ke8 35.Bc5 Nb5 36.Bb4 Kd7 37.Bd1 (37.Bb5!? cb5 38.Kc1-/+) 37...Nc7 38.h4 Ne8 39.h5 Bg2 40.hg6 (40.h6 Be4-/+) 40...hg6-+ 41.Ba4 Bf3 42.Bc2 Nd6 43.Ba4 Ne4 44.Kc2 (44.Ke1 Bg2-+) 44...Nf2 45.Kd2 Ng4 46.Bc5 Nh2 47.Bc2? (better 47.Ke1-+) 47...Nf1 48.Kc3 Ne3 49.Ba4 (49.Ba3 Bd1 50.Bb1 Ng2-+) 49...Ng2 50.Kd2 Bg4 (worse 50...Nf4 51.Ke3 e5 52.Kf3-+) 51.Ba3 Nf4 52.Ke3 (52.Bf8 Nh3-+) 52...Nh3 53.Bb4 (53.Bc2 f4 54.Kd2 Ng5-+) 53...Ng5 (53...f4 54.Kd2-+) 54.Kf4 (54.Bc2 e5! 55.de5 Nf3-+) 54...Nf7 55.Ke3 g5 56.Bc3 (56.Kd2 e5 57.de5 Ne5-+) 56...f4 (56...Nd6 57.Bc2-+) 57.Kf2 Bf5 58.Kf3 (58.Kf1 Nd6 59.Bb4 Bd3 60.Kg1 g4-+) 58...Nh6 (better 58...Be4 59.Kg4-+) 59.Bd2 (59.Kf2 Ng4 60.Kf3 e5 61.de5 Ke6-+) 59...Be4 60.Kf2 Nf5 61.Bc3 g4 Black intends f3 62.Kf1 (62.Kg1 g3 63.Bd1 f3 64.Bf3 Bf3-+) 62...g3 63.Kg1 f3 64.Kf1 f2 (64...Ne3 65.Ke1 f2 66.Ke2 f1Q 67.Kd2 Qd3 68.Kc1 Qc3 69.Bc2 Qc2) 65.Bd2 (65.Ke2 Ne3! 66.Bc6 Kc6 67.Bd2 f1Q 68.Ke3 Qf3) 65...Bd3 66.Kg2 f1Q 0-1. SSAARR (1975) - danetosic1 (2010), Rated Blitz game, lichess.org, 2014.

7.Nc3 a5 8.a3 e5 9.d4 (9.Qb3 Be6 10.Ng5 Bg4=+) 9...e4= 10.Ne5 c6 (10...0-0 11.Be2=) 11.Ne2 (11.Nd7 Bd7 12.b5 0-0=) 11...0-0=+ 12.Ng3 Be6 13.b5 (better is 13.Be2!?=+) 13...Ne5–/+ 14.de5 Nd7 15.Bd4 Bc5 16.Bc5 Nc5 17.bc6 (17.Rc1 Qe7–/+) 17...bc6 18.Qc2 Nd7 19.Qc6 Ne5 20.Qc3 (20.Qa4 Qc7 21.Qd4 Rfc8–/+) 20...Qf6–+ 21.Rc1 (better is 21.Qd4–+) 21...Rfc8 22.Qd2 Rc1 23.Qc1 Ng4 24.Qd2 (24.f3 Rc8 25.Qd2 ef3 26.gf3 Qf3 27.Bd3 Rc1 28.Qc1 Qf2 29.Kd1 Ne3 30.Qe3 Qe3 31.Kc2–+) 24...Rb8 (25.Bb5 Qa1 26.Ke2 Qf6–+) 0–1. Friberger,Torbjoern – Lundkvist,Leif, corr SSKK 1–451, 1992.

7.Nc3 c6 8.Be2 Qc7 (8...a5 9.a3=+) 9.d4 0-0 10.0-0 Ne4 11.Rc1 Rfe8 12.Ne4 Be4 13.Nd2 Bg6 14.f4 Bf8 15.Qe1 f6 (15...b5 16.Qg3=) 16.g4 (16.Nf3 b6=) 16...Rad8 17.Qf2 b6 18.h4 bc5 19.bc5 Rb8 20.Bc3 Kh8 (20...h6 21.h5 Bh7 22.Qg2=) 21.h5 Bf7 22.Nb3 Re7 23.Rb1 (23.Ba6 Rbe8+=) 23...Ree8 (23...e5!?=) 24.Ba6+= Qd8 25.Ba5 Qe7 26.Bc7 (better is 26.Qh4!?+=) 26...Nc5=+ 27.Bb8 (27.dc5 Qc7) 27...Na6 28.Nc5 Nb8 (28...Nc5 29.dc5 Qd7 30.Qc2=) 29.Rb7 Qd8 30.Rf7 Bc5 31.dc5 Nd7 32.g5 (32...Re7 33.Re7 Qe7 34.gf6 Nf6 35.h6=; 32.h6 Re7 33.Re7 Qe7+=). Petersen,Jan – Nilsson,Thorbjoern, corr, 1992.

7.c6 bc6+= 8.Nd4 Nb8 (8...c5 9.Nc6 Qc8 10.Ne7 Ke7 11.bc5=) 9.Nc6 (9.Nf5 ef5 10.a3 a5=) 9...Nc6 10.Bb5 0-0 (10...Qd6 11.Qc1 0-0 12.Bc6=) 11.Bc6 Rb8 12.b5 Bd6 (12...a6 13.a4+=) 13.Nc3 (13.Bd4 Ng4=) 13...Ng4+= 14.f4 (14.Ne2!?+=) 14...d4!–/+ 15.e4 (15.ed4 Qh4 Double attack (15...Bf4 Deflection)) 15...dc3 16.Bc3 Bf4 17.ef5 Qh4 Can h2 get defended? (17...ef5 18.g3 Be5 19.d4–/+) 18.g3 Bg3 19.hg3 Qg3 20.Ke2 Qf2 21.Kd3 Rfd8 (21...Qf5!? 22.Kc4 a6+=) 22.Kc4= Ne3 (worse is 22...ef5 23.Qf1 a6 24.a4 (worse is 24.ba6 Qb6 25.Bb7 Ne5 26.Be5 Qe6 27.Kb4 Qe5–/+) 24...Rd2 25.Qh3 ab5 26.Bb5 Qe2 27.Kb4 Qe7 28.Kb3 Qe6 29.Ka3+=; worse is 22...Qf5 23.Qb1 Nh6 24.Qf5 Nf5 25.Rag1+/–) 23.de3 Rd1 24.Rhd1 (worse is 24.Rad1 Qa2 25.Kb4 a5 26.Kc5 Qc2–/+) 24...Qf5 (24...ef5!? 25.Rd3 h5=) 25.Rd7 ½–½. Starck,Bodo (2250) – Rahls,Peter (2270), GER–chT Seniors, 2002.

7.d4 c6 8.Nc3 b6 9.Qa4 (9.b5 cb5 10.c6 Nb8=) 9...Qc7 (9...a5 10.ba5 bc5 11.Qc6–/+) 10.Be2 0-0 11.Nd2 (better is 11.Nh4!?+=) 11...a5–/+ 12.ba5 (12.b5!? bc5 13.bc6–+) 12...bc5–+ 13.a6 c4 14.e4 Bg6 15.e5 Nb6 16.Qd1 Nfd7 17.h4 c5 18.Nf3 cd4 19.Nb5 (19.Qd4 Bc5 20.Qd2 Ne5 21.Ne5 Qe5 22.f4–+) 19...Bb4 20.Kf1 Qc5 21.Nbd4 c3 22.Rc1 cb2 23.Rc5 b1Q (better is 23...Bc5 24.Bd3 Bd3 25.Qd3 Bd4 26.Nd4 Rfc8–+ (26...Ne5?! 27.Qb1–+)) 24.Qb1+= Bb1 25.Rb5 Ba2 26.Rb4 Bc4 27.Nd2 Ra6 (27...Ne5 28.Rb6 Ra6 29.Ra6 Ba6 30.f4+/–; 27...Ba6?! 28.f4–/+) 28.Bc4 (better is 28.f4!?–/+) 28...Nc4–+ 29.Ke2 Nd2 30.Kd2 Ne5 31.Rhb1 (31.Rd1 Ra2 32.Ke1 h5–+) 31...Ra2 32.Ke3 (32.Nc2 Rc8 33.R1b2 Rb2 34.Rb2 Nc4 35.Kc1 Nb2 36.Kb2 Rc4–+) 32...Nc4 33.Kf3 Nd2 (33...Nd2 34.Kg3 Nb1 35.Rb1 Rfa8–+) 0–1. Rodgers,Philippe (1655) – Zuest,Leonard (1815), Mureck AUT, Euro Ch U14, 2011.

7.d4 Ne4 8.Bd3 =.

7.Nd4 Bg6 8.c6+= bc6 9.Nc6 Qc8 10.Nc3 Qb7 11.Qa4 Nb6 (11...Bd6!?=) 12.Ba6+/– Na4 13.Bb7 Nb2 14.Ba8 Nd3 15.Ke2 Nb4 16.a3 (16.Na7 Kd7 17.Bb7 Rb8 18.Bc8 Rc8 19.Nc8 Bd3 20.Kf3 Kc8–/+) 16...Bd3 17.Kf3 Nc6 18.Bc6 Kd8 19.Bb5 Bb5 20.Nb5 a6 21.Nc3 Kd7 22.Rhb1 Ra8 23.a4 Bc5 24.d4 Bd6 25.g3 Ra7 26.Rb2 c5 27.Rab1 (27.dc5 Bc5 28.Rab1 Bd6+=) 27...cd4 28.ed4 Kc8 29.Ke3 h6 30.f3 g6 31.Nd1 Nd7 32.Rc2 Kd8 33.Nf2 Ke7 34.Nd3 f6 35.Rc8 e5 36.a5 Nf8 37.de5 fe5 38.f4 e4 39.Ne5 Be5 (39...Rc7!? 40.Rc7 Bc7 41.Rb7+–) 40.fe5 Nd7 (40...g5+–) 41.Kd4 Ke6 (41...e3 42.Rc6 e2 43.Re1+– (43.Kd5?! Rb7 44.Rcc1 Ra7+–)) 42.Rc6 Kf5 43.Rf1 (43.Rf1 Kg5 44.e6+–) 1–0. Fournier,Frederic (2160) – Bernard (1820), echecsemail.com Thematique, 2006.

7.Be2 a5 8.a3 ab4 9.ab4 Ra1 10.Ba1 Qa8 11.Bc3 0-0 12.0-0 b6 13.cb6 Nb6 14.Nd4 Bg6 15.Bb5 (15.b5 Bd6=) 15...Bd6 16.d3 e5 17.Nc6 (17.Bc6 Qa6 18.b5 Qc8=) 17...Qe8 Black intends e4 (17...Nbd7 18.d4 Qb7 19.Ba4+=) 18.Re1 (18.f4 ef4 19.ef4 Qe3 20.Kh1 A) 20...Bf4?? 21.Bd2 Qe6 22.Bf4+– (worse is 22.Rf4 Nbd7+–); B) 20...Nbd7=) 18...Qd7 (18...Qe6 19.Nd2=) 19.Qe2 (19.f4 ef4 20.ef4 Kh8+=) 19...Qe6= 20.d4 (20.Qb2 Nbd7=) 20...Bh5 21.Qd3 e4 22.Qc2 Ra8 23.Nd2 Qd7 (23...Ng4 24.h3 Nf6 25.Ra1=) 24.Ra1 (24.Nb3 Qf5=) 24...Ra1+= 25.Ba1 Qe8 (25...Bb4 26.Nb4 Qb5 27.Qc7+=) 26.Qb3 (26.Ba6 Bd1 27.Qc1 Bg4=) 26...Qd7 27.Bc3 (27.Qc2 Bb4 28.Nb4 Qb5 29.Qc7 h6+=) 27...Ng4 (27...Qg4 28.Qc2=) 28.h3 Nf6 29.Qa3 Qe8 30.Qa7 (30.Nb3 Be2 31.Be2 Qc6=) 30...Qf8 (30...Bd1 31.Qa1 Bc2 32.Qc1=) 31.Nb3 Bg6 32.Nba5 (32.Nc5 Bf5+=) 32...Qe8 (32...Bf5 33.Nb7=) 33.Nb7 Bf8 34.Qa6 Qc8 (34...Bf5 35.Ne5 Qb8 36.Nc5+=) 35.Ne5 Bf5 36.g4 (36.Nc5 Qa6 37.Ba6 Bd6+=) 36...Be6 (36...Bd7 37.Nd7 Nfd7 38.Nc5=) 37.Qa7 (37.Nc5 Qd8=) 37...Nfd7 (37...h5 38.Nc5 hg4 39.Ne6 Qe6 40.Qc7 gh3 41.Bf1+=) 38.Nc5= Ne5 39.de5 Bc5 40.bc5 Nd7 41.c6 Nb6 (41...Nf8 42.Ba5 h5 43.Qc7 hg4 44.Qc8 Bc8 45.hg4 Bg4 46.c7+/–) 42.Ba5 (42.Ba6 Qd8 43.Ba5+–) 42...Na8? (better is 42...h5+/–) 43.Qb7?? (better is 43.Ba6 Qd8 44.Bb7+–) 43...Qd8= 44.Ba6 h5 45.Qa7 (45.Be2!?=) 45...hg4–/+ 46.hg4 g5?? (better is 46...Bg4 47.Kf1 Qh4–/+) 47.Bb7+/– Nb6 48.Bb6 cb6 49.Ba6 Bg4 (49...Qe8!? 50.c7 Qc6 51.Qb8 Kg7+–) 50.c7+– Qf8 51.Qb6 Kg7? (51...Qa3 52.c8Q Bc8 53.Qd8 Kg7 54.Qg5 Kh7 55.Qh4 (55.Bc8?! Qc1 56.Kg2 Qc8=) 55...Kg7 56.Qf6 (56.Bc8?! Qc1 57.Kg2 Qc8=) 56...Kh7 57.Qf7 Kh6 58.Bc8 Qc1 59.Kg2 Qc8 60.e6+– (60.Qd5?! Qf5+–)) 52.Qb8 (better is 52.Qf6 Kh7 53.Bb7+–) 52...Qa3 53.c8Q Qa1 54.Kh2 Bc8 55.Bc8 (55.Qc8?! Qe5 56.Kg2 Qf6+/–) 55...Qd1 56.Qb2?? (better is 56.Qd6 Qf3 57.Qf6 Qf6 58.ef6 Kf6 59.Kg3+/–) 56...Qh5+= 57.Bh3 g4 58.e6 Kg6?? (58...f6 59.Qb7 Kh6+–) 59.e7+– Qh3 60.Kg1 g3 61.e8Q Qh2 62.Kf1 g2 63.Ke2 g1N 64.Kd1 Qh5 65.Kc1 Nf3 66.Qg8 (66.Qbb8 Qh1 67.Kc2 Qh7 68.Qg3 Ng5 69.Qd6 Kh5+–) 66...Kf5 67.Qb7 Ne5 68.Qd5 Qg6 69.Qg6 (69.Qc8!? Qe6 70.Qde6 fe6 71.Qf8 Kg6 72.Qg8 Kf5 73.Qh7 Kf6 74.Qh4 Kg7 75.Qe4 Ng6 76.Qe6 Nf8 77.Qe7 Kg8+–) 69...fg6 70.Kd2 g5 (70...Kf6 71.Qe4 g5 72.Kc3+–) 71.Kc3 Kf6 72.Qe4 (72.Qd6 Kf5 73.Kd4 Nf7+–) 72...Ng6 (72...Nf7 73.f4 gf4 74.ef4+–) 73.Qd4 Kf7 74.e4 Nf4 75.Qd7 Kg6 76.e5 Kh6 77.e6 Ng6 78.e7 Ne7 79.Qe7 Kh5 80.Kd3 Kg6 81.Ke3 (81.Ke4 g4 82.Qe6 Kh7 83.Qf7 Kh8 84.Kf5 g3 85.Kf6 gf2 86.Qg7) 81...Kf5+– 82.Kf3 Kg6 83.Kg4 Kh6 84.Qg5 (84.Kf5 g4 85.Qf7 g3 86.Qg6) 84...Kh7 85.f4 (85.Kf5 Kh8 86.Kf6 Kh7 87.Qg7) 85...Kh8 86.f5 Kh7 87.f6 Kh8 88.Qg7 1–0. Bonetti,Shane – MacChess 5.0, 2000.

7.Be2 Bb1 8.Rb1 c6 (8...0-0 9.0-0+=) 9.0-0 0-0 10.a4 Qc7 11.Bf6 Nf6 (11...Bf6 12.d4=) 12.d4+= Ne4 13.Qc2 h6 (13...f5 14.b5+=) 14.Bd3 Nf6 15.h3 (15.Rfc1 Ng4+/–) 15...b6 16.Ne5 bc5 17.bc5 Rab8 18.Rb8 (18.a5 Nd7 19.Bh7 Kh8 20.Rb8 Nb8+=) 18...Rb8 19.Rb1 (better is 19.a5+=) 19...Bd8? (better is 19...Rb1 20.Qb1 Bc5 21.Nc6 Qc6 22.dc5 Qc5 23.Qb8 Qf8 24.Qa7 e5=) 20.Rb8+– Qb8 21.Nc6 Qc7 22.Nd8 Qd8 23.Qb1 Qc7 24.Qb5 (24.a5 g6+–) 24...g6 25.a5 Kf8 26.f3 (26.a6 Qd8+–) 26...Ke7 (26...Qg3 27.Qb1+/–) 27.a6+– Kd8 (27...Qg3 28.c6 Nh5 29.Qb4 Kf6 30.Qa5+–) 28.e4 (28.Qb7 Qb7 29.ab7 Kc7+–) 28...h5 (28...de4!? 29.Be4 Qf4 30.Qa5 Kd7+–) 29.e5 Ng8 (29...Nd7 30.Bc2 Qb8 31.Qb7+–) 30.g4 (30.Bc2 Nh6+–) 30...hg4 (30...Ne7 31.Bc2 Qc6 32.Qa5 Qc7 33.Qc7 Kc7 34.gh5 gh5 35.Kf2+–) 31.fg4 Ne7 32.Kf2 (32.Bc2!? Qc6 33.Qa5 Qc7 34.Qc7 Kc7+–) 32...Nc6 33.Ke3 (better is 33.Qa4+–) 33...Kd7? (33...f6 34.Bg6 fe5+=) 34.Bc2 (34.h4 Kd8 35.Qb7 f5 36.Qc7 Kc7+–) 34...Qb8 (34...Kc8 35.h4+–) 35.Qb8 Nb8 36.Ba4 Nc6?? (36...Kd8+–) 37.h4 Kc7 (37...Ke7 38.Bc6 f6 39.ef6 Kf6 40.Bb7+–) 38.h5 (better is 38.Bc6 Kc6 39.h5 gh5 40.gh5 Kb5+–) 38...gh5 39.gh5 (39.Bc6!? hg4 40.Be8 g3+–) 39...Ne7 40.Be8 (better is 40.Bc2 Ng8 41.Bh7 Nh6+–) 40...Nf5 41.Kf4 Nd4 (41...Kd8 42.Bb5 Ke7+–) 42.h6 1–0. Hal1958 – Roadkill, playchess.de, 2004.

7.Be2 c6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.c4 c6 6.c5 Nbd7 7.Be2 Be7).

8.Nd4 Bg4!? 9.f3 e5 10.fg4 ed4 11.ed4 Re8 =.

8.Nd4 Bg6 9.c6+= Ne5 10.cb7+/– Rb8 11.f4 Nd3!? 12.Bd3 Bd3 +/–.

8.Nd4 Bg6 9.c6+= Ne5 10.cb7+/– Rb8 11.f4 Nfg4? (better is 11...Nd3!? 12.Bd3 Bd3+=) 12.fe5+– Bh4 (12...Ne5 13.Ba6 Bd3+–) 13.g3 Nh2? (13...Ne5 14.Qa4 Be7+–) 14.Kf2 (14.Rh2?! Bg3 15.Rf2 Bf2 16.Kf2 Qh4 17.Kg1 Bh5+–; 14.gh4 Qh4 15.Ke2 Bh5 16.Kd3 Bd1 17.Rd1 Rb7–/+) 14...f6 (14...Nf1 15.gh4 Rb7 16.Qf1 c5+–) 15.Nc6 (15.Ne6 fe5 16.Kg2 Rf1 17.Rf1+– (17.Rh2 Rd1 18.Nd8 Rd2 19.Kg1 Rh2+=; 17.gh4?! Rd1 18.Nd8 Rd2 19.Kg3 Rd8 20.Rh2 Rd3+–)) 15...fe5 16.Kg2 (better is 16.Kg1!? Nf3 17.Qf3 Rf3 18.Nd8 Bd8 19.Ne2+–) 16...Qg5+/– 17.Rh2 Bg3 18.Ne7 Kh8 19.Ng6 Qg6 20.Be2?? (20.Qb1 e4 21.Kh1 Bh2 22.Ne2–+) 20…Rf2 0–1. Blechar,Michael J – Hummel,Earle, 2nd USCCC–B40051, 1974. Same as game below?

8.Nd4 Bg6 9.c6+= Ne5 10.cb7+/– Rb8 11.f4 Nfg4? 12.fe5+– Bh4 (12...Ne5 13.Ba6 Bb4+–) 13.g3 Nh2? (13...Ne5 14.Qa4 Be7+–) 14.Kf2 (14.Rh2?! Bg3 15.Rf2 Bf2 16.Kf2 Qh4 17.Kg1 Bh5+–; 14.gh4 Qh4 15.Ke2 Bh5 16.Kd3 Bd1 17.Rd1 Rb7–/+) 14...f6 (14...Nf1 15.Qf1 f6 16.Ne6 fe5 17.Nf8 Qf8 18.Kg1 Qb4 19.Rh4 Qb2 20.Nd5 Kh8+–) 15.Nc6 (better is 15.Ne6 fe5 16.Kg2 Rf1 17.Rf1+– (17.Rh2 Rd1 18.Nd8 Rd2 19.Kg1 Rh2+=; 17.gh4?! Rd1 18.Nd8 Rd2 19.Kg3 Rb2+–)) 15...fe5 16.Kg2 (better is 16.Kg1!? Nf3 17.Qf3 Rf3 18.Nd8 Rg3 19.Kh2 Rd8 20.Bh3+–) 16...Qg5+/– 17.Rh2 Bg3 18.Ne7 Kh8 19.Ng6 Qg6 20.Be2?? (better is 20.Qb1 Rf2 21.Kg1 Qb1 22.Rb1 Rh2 23.Ne2+=) 20...Rf2 21.Kg1 (21.Kh1 Rh2 22.Kg1 Bf2 23.Kh2 Qg3 24.Kh1 Qh3) 21...Bh2 22.Kf2 Qg3 23.Kf1 Qg1# 0–1. Brooks,D – Greer,V, Arizona, 1980. Same as game above?

8.Nd4 Bg6 9.c6+= Bh5 10.Qb3 bc6 11.Nc6 +/–.

8.Nc3 b6 9.c6 Nb8 10.Qa4 =.

8.Nc3 c6 9.a4 (better is 9.Bd3!?=) 9...b6–/+ 10.Bd3 Bd3 11.Qd3 a5 12.Na2 ab4 13.Nb4 Qc7 (13...bc5?! 14.Nc6 Qe8 15.Qb5=) 14.0-0 bc5 15.dc5 Nc5 16.Qe2 (better is 16.Qc2!?–/+) 16...Na4–+ 17.Be5 Qb6 18.Nd3 c5 19.Rfb1 Qc6 20.Qc2 Ne4 21.Nd2 Nd2 22.Qd2 f6 23.Bg3 Nb6 24.Qc3 Ra1 25.Ra1 Ra8 Black plans c4 26.Ra8 Qa8 27.h3 (27.Ne1 Qa4–+) 27...c4 28.Nf4 e5 29.Ne2 Nd7 30.f4 (30.Qc2 Nc5–+) 30...Qa2 31.Kf1 Nc5 32.fe5 (32.Nc1 Qb1 33.Be1 Qf5–+) 32...Nd3 33.Nd4 (33.Be1 fe5 34.Nc1 Nc1 35.Qc1–+) 33...Bb4 34.Qc2 Qa1 35.Ke2 Qg1 36.Qa4 (36.Kf3 fe5 37.Qe2–+) 36...Qg2 0–1. Hal1958 – Meursault, playchess.de, 2002.

8.Bd3 c6 9.a4 (9.Bf5 ef5 10.Qd3 Ne4=) 9...a6 (9...Bd3 10.Qd3 b6 11.0-0=+) 10.Qc2 (10.Bf5 ef5 11.0-0 Re8=) 10...Bd3 11.Qd3 b5 (11...a5 12.b5=) 12.a5 (12.Nc3 a5 13.ab5 ab4+=) 12...Qc7 13.Nbd2 Rad8 14.h3 (14.Rd1 Ne8=) 14...Rfe8 15.g4 (15.Rd1 Rf8=) 15...Nf8 (15...Rb8 16.g5 Nh5 17.Qe2=) 16.Ne5 (16.g5 Nh5=) 16...N6d7 17.f4 (17.0-0-0 Ne5 18.de5 Nd7=+) 17...f6 (17...Ne5 18.fe5 f6 19.ef6 Qg3 20.Kd1 Bf6 21.Kc2=+) 18.Nef3 Ng6 (18...e5 19.de5 fe5 20.Ne5=) 19.0-0 (19.0-0-0 Nh8=) 19...Bf8 (19...e5 20.de5 fe5 21.Qc3=) 20.Qc2 e5 (better is 20...Re7=) 21.Ne5?? (better is 21.de5 fe5 22.f5+=) 21...fe5–/+ (21...Nge5?! 22.fe5 fe5 23.Kg2=) 22.de5 Nde5 (better is 22...Nb8!?–/+) 23.fe5= (< 23.Be5 Ne5 24.fe5 Qe5–/+) 23…Ne5 ½–½. Kuipers,Stefan – Zhang,Tony, NED–ch U14 Schagen, 2003.

8.Bd3 Bd3 9.Qd3 b6 10.0-0 =.

8.c6 bc6 9.Nc6 Qe8 10.Ba6 Bd6 (10...e5 11.Qc1=) 11.Qc1 (11.Bb7 Bg4 12.f3 Bf5+/–) 11...Nb6 (better is 11...Ng4=) 12.Bf6 gf6 13.a3 (13.Bb7 Rb8 14.Nb8 Qb8+/–) 13...Nc4 (13...Qd7 14.Bb7+/–) 14.Bb7+/– (14.Bc4? Qc6 15.b5 Qc4 16.Qc4 dc4–+) 14...e5? (better is 14...Qd7!?+/–) 15.Nc3+– (15.Ba8?! Qa8 16.g4 Bg6=) 15...Qe6 (15...Nb6 16.Ba8 Qa8 17.Nb5+–) 16.Nd5! (16...Nb6 17.Ba8 Ra8 18.Nc3+–; 16.Ba8?! Ra8 17.f3 Bf8+/–) 1–0. Schmickt,Bernhard – Pietrzak,Wojciech, Orang–Utan Invitational, 2002.

8.Nf5 ef5 9.Be2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 c6 =.

8.Nf5 ef5 9.Qf3 a5 +=.

8.Nf5 ef5 9.Qf3 g6 10.h4 (10.Nc3 Ne4+=) 10...h5 (10...a5!? 11.a3 c6–/+) 11.Nc3+= c6 12.Ne2? (better is 12.d4!?=) 12...a5–/+ 13.Nd4 (13.a3!?–/+) 13...ab4–+ 14.Nf5 gf5?? (better is 14...Bc5 15.Qf4 Re8–+ (15...gf5?! 16.Qg5 Kh8 17.Qh6 Kg8 18.Qg5 Kh8 19.Qh6 Kg8 20.Qg5=)) 15.Qf5= Ne4 16.Bd3 Bf6 17.f3 Bb2 18.Rh3 Bg7 19.fe4 Qf6 20.Qh5 Qa1 21.Ke2 Qe5 22.Qg4 Nf6 23.Qf3 de4 (23...de4 24.Qf4 ed3 25.Kf3 Qa1–+) 0–1. Mikhaylov,Dimitri (1850) – Monin,Nikolay (2325), St Petersburg RUS, Chigorin Mem, 2012.

8.Qb1 e5 9.Nf5 0-0 =.

8.Rb1 0-0? 9.c6+– Ne5 (9...bc6!? 10.Nc6 Qe8+–) 10.cb7 Rb8 11.f4 Ng6 (11...Nc4 12.Bc4 dc4 13.Nc6+–) 12.Nc6 (12.Nc6 Qd6 13.Nb8 Rb8 14.a3+–) 1–0. UncleBulgaria (2510) – Wacko Jacko, ChessWorld.net, 2005.

8.Rb1 e5 =.

8.c6 bc6 9.Nc6 Qc8 10.Rb1 Bd6+–.

8.c6!! Nbc6 9.Nc6 Qc8 10.Ne7 Ke7 11.Rb1 Rd8 12.Qa4 Qb7 13.Ba6 Qb6 14.0-0 Ne4 15.Rfd1 (15.Bg7?! Nd2 16.Rbc1 Nf1 17.Bf1 Qd6=) 15...Rab8 (15...Kf8 16.d3 Nd6 17.Rdc1+/–) 16.f3 (16.Bg7 Ndc5 17.bc5 Qb1 18.Rb1 Rb1 19.Bf1 Nd2 20.Bf6 Kf8+–) 16...Nd6 17.Rdc1 (17.Bg7 f6 18.Rdc1 Ne5+/–) 17...e5 18.Ba3 Nb5 19.Bb5 Qb5 20.Qb5 Rb5 21.Rc7 Ra8 22.Rc6 Kd8 23.d4 ed4 24.ed4 Nb6 (24...Nf8 25.Rc5 Rab8 26.Rb5 Rb5 27.Bc1+/–) 25.Bc1 Kd7 26.Rc5 a6 27.Bf4 Rc8 28.a3 (28...f6 29.h4+/–) 1–0. Luzuriaga,Norberto Horacio – Garmendia,Juan, XVI Campeonato Argentino – Ronda Final, 2002.

8.c6 Bg6 9.cb7 Bh5 +–.

9.Be2 a5 10.a3 0-0 =.

9.Be2 Qc7 10.0-0 0-0 11.Qc2 (11.a3 a5+=) 11...Rfe8 (11...a5 12.Bc3=) 12.f4 (12.a3 e5 13.Nf5 Rad8+=) 12...e5 (12...a5!? 13.Bc3 ab4 14.Bb4 Ne4=) 13.fe5+= (White launches an attack) 13...Ne5 14.Nf5 Bf8 (14...b5 15.a4 ba4 16.Be5 Qe5 17.Nd4+/– (< 17.Ne7 Qe7 18.Qa4 Ne4=)) 15.h3 (15.Nh6 gh6 16.Rf6 Bg7+/–) 15...Ne4 16.d3 Nf6 17.Nh6 Kh8 18.Rf5 gh6 (18...Ned7 19.Nf7 Kg8 20.Nh6 gh6 21.Bf6 Nf6 22.Rf6 Re3 23.Rbf1+=) 19.Rf6 Bg7 20.Rf5 Re7 21.Rbf1 a5 22.a3 ab4 23.ab4 Ra2 24.Ra1 Ng4 25.Bg7 (25.Bg4?! Ra1 26.Ba1 Ba1+/–; 25.hg4?! Ra1 26.Ba1 Ba1+=) 25...Kg8 26.Bg4 Rc2 27.Bh6 f6 (27...Qd8 28.Rg5 Kh8 29.Bg7 Kg8+=) 28.Ra8 (28...Qd8 29.Rd8 Kf7 30.Rf8 Ke6 31.R5f6 Ke5 32.Bf4#) 1–0. Laskowski – Sternik,Ryszard, corr 1. AMM Poland, 1991.

9.f4 0-0 10.Be2 a5 11.a3 ab4 12.ab4 Qc7 13.0-0 Ra2 (13...Rfc8 14.Qc2=) 14.Qc2 Rfa8 15.f5 (15.Ra1!?=) 15...e5=+ 16.Nb3 e4 (16...b6 17.Ra1 Ra1 18.Ba1 bc5 19.bc5=+) 17.d4 (17.Ra1 b6=) 17...ed3=+ 18.Bd3? (better is 18.Qd3 Ne5 19.Qd1=+) 18...Ng4–+ 19.Rfe1?? (19.g3 Ne3 20.Qe2 Nf1 21.Qe7 Ng3 22.Qg5 Rb2 23.Rb2–+) 19...Qh2 20.Kf1 Nde5 21.Na5 (21.g3 Nd3 22.Qh2 Nh2 23.Ke2 Nb2 24.Nc1 Nc4 25.Na2 Ra2 26.Kd1–+) 21...Nd3 22.Qd3 Qh1 (23.Ke2 Qg2 24.Kd1 Nf2 25.Kd2 Nd3 26.Re2 Qe4–+) 0–1. Sawamura,Tetsushi (1715) – Postlethwaite,Craig (1640), IECC, 2004.

9.f4 a5 10.a3 ab4 11.ab4 0-0 12.Be2 Qc7 13.0-0 b6 14.cb6 Qb6 15.b5 c5 16.Nc6 Bd6 17.Ne5 (17.Be5 A) 17...Ne5? 18.fe5 (< 18.Ne5 Ra2–/+) 18...Be5 19.Ne5+–; B) 17...Ne4 18.Bf3 B1) < 18...Ne5 19.fe5 (< 19.Ne5 Nf6=+) 19...Bc7 20.Be4 de4 21.Qc2+–; B2) 18...Be5 19.fe5 Ng5=) 17...Be5 (17...Ra2 18.Nd7 Nd7 19.f5=+) 18.fe5= Ne8 19.Bd3 (19.Qc2 Nc7=) 19...Nc7 20.Qh5 g6 (20...h6 21.Be2=) 21.Qh6 (21.Qg5 c4 22.Bd4 Qb7=) 21...c4 22.Rf4 1–0. Popstein,Sheila – Angus,George, Waltmans corr, 1996.

9.g4 0-0 10.g5 Ne8 =.

9.g4 0-0 10.h4 e5 11.Nf5 =.

9.g4 0-0 10.h4 Ne5 11.g5 Ne8 (better is 11...Nfd7!?=) 12.Ne6!+/– fe6 13.Be5 b6 (13...a5 14.Bd3 Rf7 15.Bh7 Kh7 16.Qh5 Kg8+–) 14.Bd3 g6 15.h5 Bg5 16.hg6 h6 17.Qg4 Bf6 (17...Qe7+–) 18.Rh6 Ng7 (18...Qe7 19.Rh7 Qh7 20.Qe6 Kh8 21.gh7 Be5 22.Qe5 Ng7+–) 19.Qh3 1–0. Saunas,Ruiz – Bandres,Guillen, ESP corr Spain, 1993.

9.g4 e5 10.Nf5 0-0 11.d4 e4 12.b5 =.

9.g4 e5 10.Nf5 0-0 11.g5 =.

9.g4 e5 10.Nf5 g6 11.Ne7 Qe7 12.d4 Ne4 =.

9.g4 e5 10.Nf5 g6 11.Ng3 0-0 (11...h6 12.d4 e4 13.Be2=) 12.h4 (12.d4 e4=) 12...Ne8 (12...a5 13.a3=) 13.g5 (13.h5 a5 14.a3 ab4 15.ab4 Bh4=) 13...f5 (13...a5 14.a3=) 14.f4 (14.gf6 Nef6 (worse is 14...Rf6 15.Bh3+/–) 15.h5 g5=) 14...Qc7 15.Qf3 Rf7? (better is 15...a5!? 16.a3 ab4 17.ab4 Ra4+=) 16.h5+/– Bf8 17.Ne2 b6 (17...Bg7!?+/–) 18.hg6 (18.Qh3 Rg7+–) 18...hg6 Opening the h–file gets White a lot of play 19.Qh3 The mate threat is Qh8 19...Rg7 20.fe5 Ne5 21.Nf4 bc5 22.Qh8 (22.Ne6 Qe7 23.Qh8 Kf7 24.Nf8 Nf3 25.Kf2 Nd2 26.Ng6 Ne4 27.Ke1 Qg5 28.Bg7 Qe3 29.Be2 Qd2 30.Kf1 Ng3 31.Kg2 Qe2 32.Kg3 Ng7–+) 22...Kf7 23.Qf8! Kf8 Deflection from e6 24.Ne6 A double attack 24...Kg8 25.Nc7 (25.Ng7?? Ng7 (worse is 25...Kg7 26.bc5 Kg8 27.Rh3–+) 26.bc5 Rb8–+) 25...Nf3 26.Ke2 Rc7 27.Rh8 (27.Kf3 cb4 28.Rh8 Kf7+–) 27...Kf7 28.Kf3 cb4 29.Be5 (29.Rc1!? Rac8 30.Ba6 Rd8+–) 29...Re7 30.Rh7 (30.Rh7 Ke6 31.Re7 Ke7 32.Rc1+–) 1–0. Katalymov,Boris N – Litvinov,Viktor, Minsk, 1971.

9.g4 h6 10.b5 0-0 =.

9.g4 h6 10.h4 Qc7 11.f4 b6 12.b5 (White gets the initiative) 12...Bc5 13.Nc6 d4 14.Nd4+/– e5 15.Bg2 ed4 16.Ba8+– 0-0 17.Bf3 de3 18.de3 Be3 19.g5+– Qf4 20.gf6 Nc5 21.Rh3 Ne4 22.fg7 Re8 23.Qd7 Nd6 24.Qg4 Bc5 25.Kd1 Qe3 26.Bc6 Qe1 27.Kc2 Re2 28.Kb3 Qd2 29.a3 f5 30.Qg6 Qc2 31.Ka2 Qc4 32.Rb3 Re3 33.Qh6 Qb3 34.Ka1 Qa3 35.Ba3 Ra3 36.Kb2 Nc4 37.Kc2 Ne3 38.Kc1 (38...Rc3 39.Kd2 Rc2 40.Kd3 Rd2 41.Kd2 Nf1 42.Kd3 Kf7 43.Bd5 Ke7 44.g8Q Kd7 45.Qhe6 Kc7 46.Qgc8#) 1–0. Kilpatrick,Robert – Boyle,C, corr ch–SCCA, 1991.

10.0-0 a5 11.a3 Qc8 (11...Qc7 12.Qc2=) 12.f4 ab4 13.ab4 Rd8 14.Re1 Qc7 15.Bf3 (15.Qc2 Ra2+=) 15...b6 16.Nb3 (16.cb6 Qb6 17.Qc2 Bb4 (17...Qb4? 18.Nc6 Qc5 19.Qc5 Bc5 20.Nd8 Rd8 21.Be5+–) 18.Nc6 Rdc8=) 16...bc5=+ 17.bc5 Nc5 18.Nc5 Bc5 19.Bf6 gf6 20.d4 Ba7 21.Bh5 c5 22.Qg4 Kf8 23.f5 cd4 24.fe6 fe6 (24...de3?! 25.ef7 Ke7 26.Qg7=) 25.Qh4 (25.Rf1 f5 26.ed4–+) 25...Qg7–+ 26.Bg4 de3 (better is 26...f5!? 27.Be2 de3–+) 27.Be6–/+ d4?? (better is 27...Bc5–/+) 28.Rf1+– Ke8 29.Rf6 Rab8 30.Rbf1 Rb7 (30...Rd6 31.Rf7 Qf7 32.Bf7 (32.Rf7?! Rb1 33.Rf1 Rf1 34.Kf1 Re6+=) 32...Kd7 33.Qh7+–) 31.Rf8! Qf8 32.Rf8 Kf8 33.Qd8 Kg7 34.Qg5 Kf8 35.Qg8 Ke7 36.Qf7 Kd6 37.Qb7 Ke6 38.Qa7 Ke5 39.Kf1 h5 40.Qc5 Ke4 41.Qh5 d3 42.Qf3 Kd4 43.Qf4 Kc3 44.Qe3 Kc2 45.h4 d2 46.Qe2 Kc1 47.Qd2! Kd2 48.h5 Ke3 49.h6 Ke4 50.h7 Kf4 51.h8Q Kf5 52.Qh5 Kf4 53.g4 Ke4 54.g5 Kf5 55.g6 Kf6 56.Qh7 Kg5 (56...Ke5 57.Qc7 Kf5 58.g7 Ke6 59.g8Q Kf5 60.Qd5 Kg4 61.Qcc4 Kg3 62.Qg2) 57.g7 Kf4 58.g8Q Ke5 59.Qd8 Kf4 60.Qf6 Ke3 61.Qf2# 1–0. Bonetti,Shane – COMP, 2000.

10.0-0 Qc7 11.a3 =.

10.0-0 Qc7 11.Qc2 =.

10.0-0 Qc7 11.f4 b6 (11...a5 12.a3=) 12.cb6 (12.Qa4 bc5 13.Nc6 Nb6=) 12...ab6= 13.a3 c5 14.Rc1 Qb7 15.Nb5 Rfc8 (< 15...cb4 16.Rc7 Qb8 17.Bf6 Bf6 18.Rd7 ba3 19.d4+/–) 16.bc5 bc5 17.Rb1 Rcb8 18.Be5 Ne5 19.fe5 Nd7 20.d4 f6 21.Bd3 Nf8 (21...f5 22.a4=) 22.dc5 (22.ef6 Bf6 23.dc5 Qc6+=) 22...fe5 23.Nd6 (23.Qh5!? g6 24.Qe5+/–) 23...Qa7 24.Qh5 Rb1 (24...g6 25.Qe5 Rb1 26.Bb1 Bd6 27.cd6 Qa3+=) 25.Bb1 (better is 25.Qf7 Kh8 A) < 26.Rb1 Qc5 27.Bh7 Qe3 (< 27...Nh7 28.Qe7 Qe3 29.Kh1–/+) 28.Kh1 Kh7 (28...Nh7?! 29.Qe7 Nf6 30.Qe6=+) 29.Qe7 Qa3–+; B) 26.Bb1+=) 25...Bd6–/+ 26.cd6 Qe3 (26...e4!?–/+) 27.Kh1=+ g6 28.Qh4 Qa7 (28...Ra3? 29.Qd8 Qh6 30.d7+–) 29.Bd3 Qg7 30.Bb5 (30.a4 Ra7=+) 30...g5 (30...Ra3 31.Qe7 e4 32.Bc6–/+) 31.Qb4= e4 32.Qc5 Qb7 33.Bc6 Qa6 34.Qc1 Rc8 (better is 34...Rb8=) 35.d7+– Nd7 (35...h6 36.dc8R Qc8+–) 36.Qg5 Kh8 37.Rf7 Rg8 38.Qh6 (38.Qe7 Rg7 39.Qe8 (39.Bd7?! Qf1 40.Rf1 Re7+–) 39...Rg8 40.Qd7 Qf1 41.Rf1 h5 42.Rf7 Rg7 43.Rg7 e3 44.Rh7 Kg8 45.Qf7) 38...Nf8 39.Qf6 Rg7 40.Qg7# 1–0. Piszcz,Kazimierz (1800) – Laskowski (2000), corr 1. AMM Poland, 1992.

10.0-0 e5 11.Nf3 e4= 12.Nd4 Rc8 (12...a5 13.a3=) 13.Rc1 a5 14.a3 ab4 15.ab4 Ra8 16.Ra1 Qc7 17.d3 Ra1 18.Ba1 ed3 (18...Rd8 19.Nf5 Bf8 20.Bd4+=) 19.Bd3 (19.Qd3 Re8+=) 19...Ra8 20.Nf5 Bd8 (20...Ne5 21.Be2+=) 21.Qc2 (21.Bd4 g6 22.Ng3 Ne5+/–) 21...b6 (21...g6 22.Ng3+=) 22.cb6+/– Qb6 23.Bf6 (better is 23.Bd4!? Qb7 24.Rc1+/–) 23...Bf6= 24.Ng3 (24.Nd4 Bd4 25.ed4 Nf8=) 24...g6 25.b5 (25.Rb1 Ne5=) 25...c5 (25...cb5 26.Qb3 b4 27.Qd5=) 26.Rb1 Be5 27.Nf1 (27.e4 Bg3 28.hg3 d4=) 27...c4+= 28.Be2 c3 (28...Rc8 29.Nd2=) 29.Bf3 Qc5 30.Ng3 (30.Rb3 Nb6+=) 30...Bg3 (30...Qc4 31.Rd1 Nb6 32.Be2–/+) 31.hg3 Rc8 (31...Ra3 32.g4=) 32.g4 (32.Bg4 f5 33.Bf3 Nb6=) 32...h6 33.g3 Kg7 34.Bg2 Kf6 (34...Nb6 35.Rb3=) 35.Bh3 Ke7 36.g5 (36.Bf1!?=) 36...hg5+= 37.Bd7 Kd7 38.b6 Rb8 39.Qa4 (39.Rb3 Rb6 40.Rc3 Qb4+=) 39...Ke6 (39...Qc6 40.Qa2–/+) 40.Qa6 White prepares the advance b7 (40.Rb5!? Qc4 41.Rb4+=) 40...c2–/+ 41.b7 Qd6 42.Qd6 Kd6 43.Rc1 g4 44.Rc2 Rb7 45.Rc8 g5 46.Rd8 Ke5 47.Re8 Kf5 48.Rd8 Ke4 49.Kg2 f6 50.Rd6 Ke5 51.Rd8 Rb6 52.Re8 Re6 53.Rh8 d4 54.ed4 Kd4 55.Rd8 Ke5 56.Rg8 Re7 57.Rg6 Re8 58.Rh6 f5 (58...Rd8 59.Kf1–/+) 59.Rg6 Rh8 60.Rg7 (60.Kf1 Rh1 61.Ke2 Rh5–/+) 60...Kf6 61.Rb7 f4 62.Rb6 Kf5 63.Rb5 Kg6 64.Rb6 Kh5 65.gf4 gf4 66.Rb1 Re8 (66...Rd8 67.Rb4 Kg5 68.Rb2–+) 67.Rb5 Kh4 68.Rb7 f3 69.Kf1 (69.Kh2 Rh8–/+) 69...Kg5 70.Rg7 Kf5 71.Rf7 Ke4 (71...Kg6 72.Rc7–+) 72.Rg7 (72.Kg1 Rh8–+) 72...Rd8 73.Kg1 (73.Re7 Kf5 74.Ke1 Ra8–+) 73...Kf5 (73...Rd1 74.Kh2 Kd3 75.Re7–/+) 74.Kh2 Rh8 75.Kg1 Rh6 76.Rc7 Rh4 77.Rc5 Kf4 78.Rc4 Ke5 79.Rc5 Kf6 80.Rc6 Kg5 81.Rc5 Kg6 82.Rc6 Kf7 83.Rc7 Ke6 84.Rc6 Kd7 85.Ra6 Ke7 (85...Kc7 86.Rg6–/+) 86.Ra7 (86.Rg6!?–/+) 86...Kf6 87.Ra6 Kf5 88.Ra5 Kf4 89.Ra4 Kg5 (89...Ke5 90.Ra5 Ke4 91.Ra4 Kd5 92.Ra5 Kd4 93.Ra4 Kc5 94.Ra8–/+) 90.Ra5–/+ Kg6 91.Ra6 Kh5 92.Ra5 Kh6 93.Ra6 Kg7 94.Ra7 Kf8 95.Ra8 (95.Rd7 Kg8+=) 95...Kf7+= 96.Ra7 (better is 96.Ra6!?+=) 96...Ke6–+ 97.Ra6 Ke5 98.Ra5 Ke4 99.Ra4 Kd3 100.Ra3 Ke2 (100...Kd4 101.Ra4 Kd5 102.Ra5 Kd6 103.Ra6 Kc5 104.Ra5 Kb4 105.Ra8–/+) 101.Ra2 Kd1 102.Ra1 Kd2 103.Ra2 Kc3 104.Ra3 Kd4 105.Ra4 Kd5 106.Ra5 Kc4 107.Ra4 Kc5 108.Ra5 Kd6 109.Ra6 Kc7 110.Ra7 (110.Re6 Kb7–/+) 110...Kc6 111.Ra6 Kb5 112.Ra8 Kb4 113.Rb8 Kc5 114.Rc8 Kd6 (114...Kb6 115.Rg8–/+) 115.Ra8+= Rh3 116.Ra6 (116.Rg8 Ke5+=) 116...Ke5 117.Ra5 Ke4 118.Ra8 (better is 118.Ra4!? Kf5+=) 118...Rh6 ½–½. Bonetti,Shane – MacChess 5.0, 2000.

10.0-0 e5 11.Nf5 a5 12.a3 Re8 +=.

10.0-0 g6 11.Nf3 Ne8 (11...a5 12.a3+=) 12.d4 Bf6 13.b5 Qc7 14.bc6 bc6 (14...Qc6 15.a3+=) 15.Qc2 (15.Qd2 Rb8+/–) 15...Bg7 16.e4 (16.Bc3 Nef6+=) 16...de4 17.Qe4 (17.Ng5 Nef6+=) 17...Nef6 18.Qh4 Rab8 19.Bc3 Nd5 (19...h6 20.Ne5=) 20.Bd2 e5 21.Ng5 (21.de5!? Be5 22.Qc4=) 21...h6+= 22.Nf3 (22.Ne4 g5 23.Qh3 ed4+=) 22...ed4 (better is 22...g5!? 23.Bg5 hg5 24.Ng5 N7f6 25.de5 Qe5–/+) 23.Bh6= (23.Nd4? Bf6 24.Ne6 Rb1 25.Rb1 Qe5–+) 23...Nc5 1–0. marekt – alkibijad, gameknot.com, 2001.

9.Bd3 a5 10.a3 b6 +=.

9.d4 a6 10.Bd3 g6 (10...f4 11.ef4 a5 12.b5+/–) 11.Nc3 Qc7 12.f3 Nh5 (12...0-0 13.0-0+/–) 13.0-0 Ndf6 (13...0-0-0 14.a4 Bg5 15.f4 Nf4 16.ef4 (16.Rf4?! Bf4 17.ef4 Qf4+=) 16...Bf4 17.h3+–) 14.a4 0-0 15.Qc2 Qd7 16.b5 f4 17.bc6 bc6 18.e4 (18.Bc1 Ng7+/–) 18...de4 19.Ne4 Nd5 20.Qe2 (20.Rfe1 f5 21.Nc3 Ne3 22.Qb3 Rf7+/–) 20...a5 (20...f5 21.Nf2+=) 21.Qd2 (21.Rfe1 f5 22.Nc3 Ne3+=) 21...Rfd8 22.Rfe1 Ne3 23.Bc3 Qc7 24.Nf2 Nf6 25.Bb2 (25.Rab1 Nfd5 26.Ng4 Nc3 27.Qc3 Ng4 28.fg4 Bf6–/+) 25...Nfd5= 26.Kh1 Nb4 (26...Rab8 27.Kg1=) 27.Rac1=+ Nd3 28.Nd3 Bf6 29.Nf2 (29.Nf4 Bg5 30.g3 Bf4 31.gf4 Nf5+=) 29...Rd5 30.Nh3 Rh5 (30...Re8 31.Bc3=+) 31.Bc3= g5 (31...Bg7 32.Re2=) 32.Nf2+= Bg7 33.Ne4 g4 34.Rb1 Qd8 (34...g3 35.Ng3 fg3 36.Qe3 (< 36.Re3 Rh2 37.Kg1 Bh6–/+) 36...Rh2 37.Kg1+=) 35.fg4+/– Ng4 36.h3 Ne3 37.Qf2 Nd5 38.Ba1 (38.Qf3 Nc3 39.Nc3 Rg5 40.Qf4 Rg6+–) 38...Qh4+= 39.Qh4 Rh4 40.Ng5 Rh5 41.Nf3 Rh6 42.Rb7 Rg6 43.Nd2 (43.Bb2 Ne3 44.Re2 Rg3+=) 43...Ne3= 44.Rg1 Nc2 (44...h6 45.Nf3=) 45.Nf3+= Na1 (45...Ne3 46.Bc3+=) 46.Ra1 Re6 47.Rab1 Bf6 48.Rd7 Re7 (48...Kg7 49.Rbb7+/–) 49.Re7 Be7 50.Ne5 (50...Rc8 51.Rb6+–) 1–0. Kilpatrick,Robert – Harvey,D, corr SCCA final, 1991.

9.d4 f4!? =.

9.Qf3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 g6 (12...b6 13.b5 Qa8 14.Bf6 Bf6 15.cb6+=) 13.Be2 b6 14.0-0 (14.d4 Qa8 15.Bc3 Ne4=) 14...bc5= 15.bc5 Nc5 16.Be5 (16.Rc1 Qd6=) 16...0-0 17.Qf4 (17.d4 Nce4=) 17...Re8 18.Bc3 (18.d4!? Ne6 19.Qf3–/+) 18...Nfe4–/+ 19.Bd1 (19.Qf3 Nc3 20.dc3 Ne4–/+) 19...Bd6 20.Qh6 Ne6 21.g3 Qb6 (21...Bf8 22.Qh3–+) 22.Bc2 (22.Bf3 Bf8 23.Qh4 d4–+) 22...Nc3 (22...d4 23.ed4 Nd4 24.Bd4 Qd4 25.Qe3–+) 23.Nc3 Qb2 24.Ba4 Rc8 0–1. Gosme,Emile (1775) – Mercier,Thierry (1700), IECC, 1998.

9.Qf3 a5 10.a3 Qb8 11.Qf5 b6 12.cb6 ab4 13.ab4 Ra1 14.Ba1 +=.

8.0-0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Qa8 (11...b6 12.d4=+) 12.Bc3 Bg6 (12...b6 13.d4=) 13.Qb3 (13.Bb5 b6 14.c6 Nb8=) 13...Rb8 (13...b6 14.cb6 Nb6 15.Rc1=) 14.d4 (14.Ne5 Bf5=) 14...b6 15.Qa3 (15.Nbd2 bc5 16.Ra1 Qb7 17.dc5 Nc5 18.bc5 Qb3 19.Nb3 Rb3=+) 15...Ne4=+ 16.Qa8 Ra8 17.Bb5 Ndf6 18.Bd2 (18.Ne5 Bf5=+) 18...Ra2–/+ 19.Rd1 (19.Bc6!?–/+) 19...bc5 20.bc5 Ng4 (20...Nd2?! 21.Nbd2 Ne4 22.Ne4 Be4 23.Ne5=+) 21.Nc3 Nc3 22.Bc3 Nf2 23.Ra1 (23.Rd2 Rd2 24.Bd2 Ne4–/+) 23...Ra1 24.Ba1 Ne4 (better is 24...Ng4!?–+) 25.Bb2 f6 26.Kf1 Kf7 27.Bd7 h5 28.Nh4 Bh7 29.Ke2 g5 30.Nf3 g4 31.Ne1 Ng5 32.Bc3 h4 33.Ba5 Bd8 34.Bc6 Be4 35.Bb5 Ke7 36.Bc3 Nf7 37.Kf2 e5 38.Nd3 c6–+ 39.Ba6 Bd3 40.Bd3–/+ Bc7 41.g3 hg3 42.hg3 Ng5 43.Kg2 ed4 44.ed4 Ne4 45.Be1 f5 46.Ba6 Kd7 47.Bb7 Bd8 48.Bf2 Bf6 49.Be3 Nc3 50.Ba6 Nb5 51.Bb5 cb5 52.Kf2 Kc6 53.Ke2 b4 54.Kd3 Bd8 55.Kc2 Bc7 (56.Bf2 f4–+) 0–1. Petersen,Jan – Magnusson,Bjarni, corr Nordisk Cup, 1993.

8.0-0 a5 9.a3 c6 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.d3 Qc7 (10...Bg4 11.Qc2=) 11.Nbd2 (11.Nh4 ab4 12.Nf5 ef5 13.ab4 b6=) 11...e5 (11...ab4 12.ab4 b6 13.Nb3 bc5 14.bc5 Nc5 15.Nc5 Bc5 16.Qc2+=) 12.Qc2= Rfe8 13.Nh4 Be6 14.h3 (14.Nhf3 Bg4=) 14...g5 (better is 14...ab4!? 15.ab4 d4 16.Ra8 Ra8 17.ed4 Nd5+=) 15.Nhf3+= g4 16.Ng5 gh3 17.Ne6 fe6 18.gh3 Kf7 19.Kh1 Rg8 20.Rg1 ab4 21.ab4 Ra1 22.Ba1 Rg1 23.Kg1 b6 24.d4 (24.Nf3 bc5 25.Ng5 Ke8 26.Ne6 Qa7=) 24...e4 25.Bc3 bc5 26.dc5 (26.bc5 e5=) 26...Ne5 (26...e5 27.Qd1=) 27.Qb2 Nfd7 28.Qa1 Ng6 29.Nb3 e5 30.Qa8 Bf6 (30...Kg7 31.Bd1+=) 31.Na5 (31.b5 Ne7 32.Bh5 Kg7+/–) 31...d4 (31...Ne7 32.Nb7 Qb8 33.Nd6 Kg6 34.Qa6+=) 32.Bc4 (32.Nc4!? Ke7 33.Qg8+/–) 32...Kg7+= 33.ed4 (33.Bb2 Ne7+=) 33...ed4= 34.Qg8 Kh6 35.Bd2 e3 36.Be1 (36.fe3 Qg3 Double attack (36...Qg3 Decoy)) 36...Bh4 (36...ef2 37.Bf2 Nc5 38.Qe8–/+) 37.Qf7 Qd8 38.Be6? (38.Qe6 Nde5 39.f4 (39.Nc6 ef2 40.Bf2 Qg5 41.Kf1 Qf4–+) 39...Nc4 40.Nc4 Be1 41.Nd6–+) 38...Qg5 39.Bg4 Nf6 40.Qe6 Nf4 (40...Ng4 41.hg4 d3 42.Nc4–+) 41.Qf5 Nh3 42.Kf1 (42.Kg2 Nf4 43.Kf3 Nd3 (43...Qg4 44.Qg4 Ng4 45.fe3 Ne5 46.Kf4 Be1 47.ed4 Nd3 48.Ke4 Nb4 49.Nc4–+) 44.Qg5 Kg5–+) 42...Ng4 43.Qg5 (43.Qf8 Qg7 44.Qg7 Kg7 45.fe3 Ne3 46.Ke2 Nf4 47.Kf3 Be1 48.Kf4 Nd5 49.Ke4 Nb4 50.Kd4 Nc2 51.Kd3 Ba5 52.Kc2 Bb4–+) 43...Kg5 44.Nc6 (44.fe3 Ne3 45.Ke2 Nf4 46.Kd2 Be1 47.Ke1 Nc2 48.Kd2 Nb4 49.Nb3–+) 44...d3 45.Nd4 Nh2 46.Kg2 d2 47.Kh2 d1Q 48.Ne6 (48.c6 ef2 49.Ne6 Kg4 50.Bf2 Bf2 51.b5 Qg1) 48...Kf5 (48...Kg4 49.Kg2 Qf3 50.Kh2 Nf2 51.Bf2 Qh3 52.Kg1 ef2) 49.Ng7 (49.Kh3 Qg4 50.Kh2 Bf2 51.Bf2 ef2 52.Nd4 Kf6 53.Nf3 f1Q 54.b5 Qf4) 49...Kg6 (49...Kg4 50.Nf5 Kf5 51.Kh3 ef2 52.Kh2 fe1Q 53.b5 Qg3) 50.c6 (50.Nf5 Kf5 51.Kg2 Qg4 52.Kh2 Qg1 53.Kh3 Qh1) 50...Qe1 51.Kh3 (51.Nh5 Qg1 52.Kh3 Kh5 53.fe3 Qg3) 51...Kg7 0–1. Dias,Jose OG (1635) – Gouvart,S (1975), VII Open Figueira da Foz POR, 2010.

8.0-0 c6 9.d4 (9.Nd4 Bg6=) 9...Bb1 (9...b6 10.Nh4=) 10.Rb1+= b5 (10...Ne4 11.Bd3+=) 11.a4+/– a6 12.ab5 (12.Ra1 Qc7+=) 12...ab5= 13.Ra1 Qc7 14.Qc2 Ne4 15.Bd3 Ndf6 (15...f5 16.Ra8 Ra8 17.Ra1 Ra1 18.Ba1+=) 16.Ne5+= h6 17.f3 Ng5 18.Bc3 Kh8 (better is 18...Rfb8!?+=) 19.h4+– Ngh7 20.Ra8 Ra8 21.Nf7 Kg8 22.Ne5 Nf8 23.e4 Nh5 24.Be1 Nf4 25.g3 (25.Bg3 Nh5 26.Bf2 Nf4+/–) 25...Nd3 26.Qd3 Rd8 (26...Bf6 27.f4+/–) 27.f4 Nd7 28.Ng6 Nf6 29.ed5 Rd5 30.Qe3 Kf7 31.Ne5 Ke8 32.Bf2 Nd7 33.Ng6 Kf7 34.Re1 Kg6 35.Qe6 Bf6?? 36.Qe4 Kh5 37.g4! Kg4 38.Kh1 g5 39.Rg1 Kh3 40.Qf3# 1–0. Poschmann,Hans – Penttinen,H, corr, 1996.

8.d3 a5–/+ 9.a3 ab4 10.ab4 Ra1 (10...b6 11.d4–/+) 11.Ba1 Qa8 12.Nbd2 Qa3 13.Qb1 Rb8 (13...Ra8!? 14.0-0 Ra4–/+) 14.0-0 c6 15.Nd4 Bg6 16.Rc1 Qa8 (16...Ra8!?=+) 17.Qc2+= e5 18.N4f3 e4 19.de4 Ne4 20.Ne5 (20.Ne4 Be4 21.Qd2 Re8+=) 20...Ne5 (20...Ng3! 21.Qd1 Ne2 22.Qe2 Qa3=+) 21.Be5= Re8 (21...Ng3 22.Qd1 Ne2 23.Qe2=) 22.Ne4 Be4 23.Qb2 f6 24.Bg3 Qc8 25.Ra1 Bd8 26.Ra7 Bc7 27.Bc7 Qc7 28.Ba6 Rb8 29.b5 cb5 30.Qb4 Bf5 (30...Bd3 31.Bb5 Bb5 32.Qb5+=) 31.Bb5 Bc8 (31...Be4 32.Ba4+–) 32.Qd4 (32.c6 Be6+–) 32...Qd8 (32...Qe5 33.f4 Qd4 34.ed4+–) 33.Ra1 (33.Bd3!?+–) 33...Be6+= 34.Rd1 (34.g3 Rc8+=) 34...Qa5 (34...Qc7 35.g3+=) 35.Rb1 (35.Ba4 Kf8 36.Bb3 Rc8 37.Bd5 Bd5 38.Qd5 Qb5+–) 35...Rc8+= 36.f4 Bf7 (36...Kf8=) 37.Qa4 (better 37.Bd7!? Rd8 38.Bg4+=) 37...Qc3=+ 38.Qd4 Qa5 (better 38...Rc5!? 39.Bd3 Qd4 40.ed4 Rc7=+) 39.Kf2 (39.Bd7 Rd8 (39...Rc5? 40.Ra1 Qd8 41.Qc5 Qd7 42.Ra8 Be8 43.Qb6+–) 40.Ra1 Qc7+=) 39...Qc7 40.Rc1 (40.Bd3 Ra8+=) 40…Qa5 ½–½. Dos Anjos,Diovana Ferreira (1650) – Policarpo,Nicoli, Brasileiro Infanto–Juvenil, 2017.

8.Nd4 Bg6 =.

7.a3 c5 =+.

7.a3 Be7 8.Be2 0-0 9.0-0 a5 10.Nd4 (10.b5 Nb6=) 10...Bg6 (10...Bb1 11.Rb1 ab4 12.ab4 Bb4 13.Ba1=) 11.b5 Nc5 12.a4 (12.d3 Bd6=) 12...Qd7 (12...Re8 13.d3=) 13.Nc3 (13.d3 Bd6=) 13...Rfe8 (13...Rae8 14.d3=) 14.Nf3 Bd6 15.d4 Nce4 16.Ne4 Be4 17.Nd2 Bg6 (17...Qe6 18.Ba3=) 18.Bf3 (18.Ba3 Ba3 19.Ra3 Re7=) 18...Qf5 (18...c6 19.bc6 Qc6 20.Rc1+=) 19.Rc1 (19.Ba3 Qe6=) 19...h5 (19...Qg5 20.Qb3=) 20.h3 (20.Qb3 Bb4 21.Nb1 Re7+=) 20...Qg5 21.Kh1 (21.Be2 Bf5 22.Nf3 Qh6+=) 21...Re6 (21...Bd3 22.Re1=) 22.Qb3 Rae8 (22...Bb4 23.Rfd1 Bd2 24.Rd2=) 23.Ba3 Ba3 (23...Re3 24.fe3 Re3 25.Bd6 Rb3 26.Nb3 cd6 27.Na5+=) 24.Qa3+= R8e7 25.Qb3 Ne4 (25...Kh7 26.Qc3 b6 27.Kg1+=) 26.Ne4 (26.Be4 Be4 27.Ne4 de4+/–) 26...Be4 (26...de4 27.Be2 b6+=) 27.Qd1 (better is 27.Be4!? de4 28.Rc5+/–) 27...Bf3+= 28.Qf3 Rg6 (28...Rf6 29.Qe2+=) 29.Rg1 (29.Rc5!? Rd7 30.Rfc1+/–) 29...Rf6= 30.Qd1 (better is 30.Qe2=) 30...Rf2–/+ 31.Qe1 Rf6 (31...Qe3 32.Qe3 Re3 33.Rc7–/+) 32.Rc3 (better is 32.Qa5 b6 33.Qa8 Kh7 34.Rc3=) 32...Rfe6–/+ 33.Qf2 (33.Qc1!? Re3 34.Rc7–/+) 33...Re3–+ 34.Re3 Qe3 35.Qe3 (35.Qf5 Qd4 36.Qc8 Kh7 37.Qb7 h4–+) 35...Re3 36.Rc1 Rd3 37.Rc7 Rd4 (37...b6!? 38.Rc8 Kh7 39.Rf8–+) 38.Rb7–/+ Ra4 39.Rd7 d4 40.b6 Rb4 41.b7 Kh7 42.Rf7 a4 43.Rd7? (better is 43.Kg1–+) 43...a3 (43...a3 44.Rd5 Rb7 45.Rh5 Kg6–+) 0–1. Hal1958 – Pkchess, playchess.de, 2005.

8.b5 b6 9.Be2 h6 10.Nd4 Bg6 11.Nc6 Qc8 12.0-0 Bd6 13.Nc3 0-0 14.Qb3 (better 14.Bf3!?+/-) 14...Nc5= 15.Qa2 Qf5 16.d4 Qg5?? (better 16...Nce4=) 17.dc5+- bc5 18.f4 Qh4 (18...Qf5 19.Rad1 Qe6+-) 19.Nd5 Ng4 (19...Ne4 20.Be5 Kh8 21.f5 Be5 22.Ne5+-) 20.Bg4 Qg4 21.Nde7 (21.f5 Bh5 22.f6 g6+-) 21...Kh8 22.Ng6 fg6 23.Be5 Rae8 24.Rae1 Rf5 (24...Qe6 25.Qc2+-) 25.Qe2 (better 25.e4 Rff8 26.b6 Qc8 27.Bd6 cd6 28.Na5 Qb8+-) 25...Qh4 (25...Qe2 26.Re2 c4 27.a4+-) 26.g3 (better 26.Bd6 cd6 27.b6 c4+-) 26...Qh3 27.Qg2 Qg4 (27...Qg2 28.Kg2 Be5 29.Ne5 Kg8+-) 28.h3 (28.h3 Qh5 29.g4+-) 1-0. carlos78 (2205) - rumen_borisow (2045), Rated Blitz game, lichess.org, 2015.

8.b5 Bd6 9.Nc3 0-0 10.d4 Re8 11.Bd3 Bd3 12.Qd3 Nb6 13.0-0 Nc4 14.Qc2 c6 15.Rfd1 (15.bc6 A) worse is 15...Nb2 16.cb7 (16.Qb2?! bc6 17.Rfc1 Rb8=) 16...Ra7 17.Qb2+/–; B) 15...bc6 16.Rfb1 Qe7+=) 15...Rc8 16.bc6 Rc6 17.Qe2 Ne4 18.Nb5 Bb8 19.a4 Qc8 20.Ra2 Rg6 (better is 20...Qg4 21.h3 Qh5–/+) 21.Ne5–+ Be5 (21...Ne5?! 22.de5 Be5 23.Be5 Re5 24.Rc2+=) 22.de5 Qh3 23.g3 Rh6 24.f3 Ned2 (better is 24...Ng3 25.Qg2 Qg2 (25...Nb2?! 26.Qh3 Rh3 27.Rb2+=) 26.Kg2 Ne3 27.Kg3 Nd1–+) 25.Re1?? (better is 25.Rd2 Nd2 26.Qd2+–) 25...Nf3–+ 26.Qf3 (26.Kf2 Qf5 27.Qf3 Rh2 28.Kf1 Qf3 29.Kg1 Qh1) 26...Qh2 27.Kf1 Qc2 (27...Nd2) 28.Bd4?? (28.Qg2 Ne3! 29.Re3 Qd1 30.Kf2 Qd2 31.Re2 Rf6 32.Qf3 Rf3 33.Kf3 Qd3 34.Kf2 Qf5 35.Kg2–/+) 28...Qa2 (28...Nd2 29.Kf2 Rh2 30.Qg2 Qf5 31.Ke2 Rg2 32.Kd1 Qb1) 29.Nd6 (29.Qg2 Qa4 30.Qd5 Qc2–+) 29...Nd6 (better is 29...Nd2 30.Kg2 Nf3 31.Kf3 Rh2 32.Rf1 Qe2 33.Kf4 Qf1 34.Kg4 Re6 35.Nf7 Rg6 36.Ng5 h5) 30.ed6 Qa4 (30...Rd6 31.Ra1 Qc2 32.Kg1–+) 31.Rc1 (31.Qd5 Qd7–+) 31...Rd6 32.Rc7 Rd7 33.Rc1 b5 34.Ra1 (34.Kg1 f6–+) 34...Qc4 (34...Qc2 35.Qg4 f5 36.Qh5–+) 35.Kg1 a4 (35...Qc7 36.Qg4 f5 37.Qh3–+) 36.Qg4 f5! 37.Qf5 Rf7 38.Qh5 Ref8 39.Qd1 (39.Qh3 b4–+) 39...Rf2 40.Rc1 Qa2 (40...Qa2 41.Qh5 R2f3–+) 0–1. Sawamura,Tetsushi – Prystenski,Arthur (2240), olm15 qual GP3 B6 email, 2003.

8.Bb5 c6 9.Ba4 0-0 10.0-0 b5 11.Bb3 a5 12.ba5 Ra5 (12...Bd3 13.Re1–/+) 13.h3 (13.Nd4 Bb1 14.Nc6 Qc7 15.Na5 Bd3–/+) 13...h6 (better 13...Bd3!? 14.Re1 Ne4–/+) 14.Nd4= Bb1 15.Rb1 c5 (better 15...Qa8=) 16.Nc6+– Qa8 17.Na5 Qa5 18.d4 c4 19.Ba2 (19.Bc2 Rb8+–) 19...Bb8 (19...Ba3 20.Qc1 Bd6 21.Ra1=+) 20.Re1 (20.Ra1 Ne4+–) 20...Qc7 (20...b4!?=) 21.g3+– Ne4 22.Qf3 Ndf6 23.Rbd1 Qd6 24.Qf5 (24.Qg2 Rc8+=) 24...Ng3= 25.fg3 Qg3 26.Kf1 Ne4 27.Re2 g6 28.Qg4 (28.Qd5 Qf3 29.Kg1 Bh2 30.Rh2 Qd1 31.Kg2 Qe2 32.Kg1 Qe1 33.Kg2 Qf2 34.Kh1 Qf1) 28...Qg4 29.hg4 Ng3 30.Ke1 Ne2 31.Ke2 f5 (31...Bd6=) 32.Rf1 (better 32.gf5 gf5 33.Bb1+=) 32...Bg3?? (better 32...fg4 33.Rf8 Kf8–/+) 33.gf5+– gf5?? (better 33...Rf5 34.Rf5 gf5+–) 34.Rg1 Kh7 (34...Rf6 35.Rg3 Kh7 36.Bb1+–) 35.Rg3 h5 36.Bc1 Rf7 (36...h4 37.Rg5 Rg8 38.Rg8 Kg8 39.Bb1+–) 37.Rg5 (better 37.Bb1 h4 38.Rg5 Kh6+–) 37...Kh8 (37...Rg7 38.Rf5 Rg2 39.Kd1+–) 38.Rh5 (38.Bb1!? h4 39.Bf5 Rf6+–) 38…Rh7 1–0. bazilishek (1685) – sageofsixpath (1680), lichess.org, 2020.

8.Nc3 0-0 9.Nb5 Be7 =+.

8.Nc3 0-0 9.d4 a5–/+ 10.b5 Qe7 11.Bd3 Bd3 12.Qd3 Rfe8 13.0-0 c6 (13...Qe6 14.Rac1=+) 14.a4 (14.bc6 bc6 15.Rfb1 Nb6=) 14...Bc7 (14...Rac8 15.bc6 Rc6 16.Qb5=+) 15.Ba3 Qe6 16.bc6 (16.Rac1 Rab8=) 16...bc6 17.Rab1 Rab8 18.h3 Ne4 19.Rfc1 Ndf6 (19...Nb6 20.Nb5 cb5 21.Rc7–/+) 20.Rb8 (20.Qc2 Nc3 21.Qc3 Ne4=) 20...Rb8 21.Qc2 Rb6 22.Rd1 (22.Ne4 de4 (< 22...Qe4 23.Qc5 Qe8 24.Qa5+=; 22...Ne4?! 23.Bc5 Rb7 24.Kh1=) 23.Qc5 Nd7–+) 22...h6 23.Ne4 Ne4 24.Rc1 Qf6 25.Qd3 Qg6 26.Qf1 Rb3 27.Qa6 Ra3 28.Qc8 Kh7 29.Qc7 Ra2 30.Rc6+= Qf5 31.Qa5 Ra1 32.Kh2 Nf2 33.Ne1 Qg5 34.Qc3 Ng4 35.Kh1 Nf2 36.Kh2 Ng4 37.Kh1 Qf5 38.hg4 Qf1 39.Kh2 Re1 40.Kh3 Re2 41.Qd3 g6 42.Qe2? Qe2 43.Rc3 Qb2 44.Rc7 Kg7 45.Rc5 Qb3 46.Kh2 Qa4 47.Rd5 Qa2 48.Re5 Qf2 49.Kh3 g5 50.Kh2 Qh4 51.Kg1 Qg4 52.Kf2 f5 53.Re7 Kf6 54.Ra7 h5 55.Ra6 Ke7 56.d5 Qh4 57.Kg1 Qe1 58.Kh2 h4 59.Rb6 g4 60.d6 Kf7 61.Rb7 Ke6 62.Rg7 g3 63.Rg3 Qg3 64.Kh1 Kd6 65.e4 fe4 66.Kg1 e3 67.Kh1 e2 68.Kg1 e1Q# 0–1. GrandMasterChess 80286 – SuperForte 5 Mhz, 1994.

8.Nc3 0-0 9.d4 a5–/+ 10.b5 Re8 11.Bd3 Bd3 12.Qd3 c6 (12...Nb6 13.0-0=+) 13.0-0= Bc7 14.bc6 bc6 15.Rab1 Rb8 16.Qc2 (16.Na4 Ne4=) 16...Qe7 (16...Nb6 17.Rfc1=+) 17.Rfe1 (17.Na4 Rec8=) 17...c5 (17...Nb6 18.e4 de4 19.Ne5=+) 18.dc5 Nc5 19.Red1 Qd6 (19...Red8 20.Nb5 Bb6 21.Bf6 Qf6 22.Nc3+/–) 20.Rd4 (20.a4 Qc6 21.Nb5 Bd8+/–) 20...Ne6 (20...Rb6 21.Qd1 Nb3 22.Rf4=) 21.Rd2 Nc5 22.Rbd1 Nb3 23.Rd3 Nc5 24.Rd4+= Nb3 25.Rf4 Qc5 26.Ra4 Rec8 27.Qf5 Rd8 28.Rh4 d4 29.Qc5+/– Nc5 30.Rhd4 Rd4 31.ed4 Ncd7 32.Rd2 Nb6 33.Ne5 Nbd5 34.Nd5 Nd5 35.f3 h6 36.h3 f6 37.Nc6 Rb6 38.Na5 Re6 39.Nc4+– Bg3 40.Rd1 Re2 41.Kh1 Kf7 42.a4 Bf4 43.Rb1 Rc2 44.Na3 Re2 45.a5 Re6 46.Nb5 Bd2 47.Ra1 Ra6 48.Kh2 Ke6 49.Kg3 Kd7 50.Ra3 Be1 51.Kg4 g6 52.f4 Bb4 53.Ra1 Kc6+= 54.Na3 Ra5 55.Rc1 Kb7 56.Nc4 Ra8 57.Kg3 Rd8 58.Kf3 f5 59.Ne5 Rg8 60.Rc4 Bd2 61.Rc5 Rd8 62.Ng6 Bb4 63.Rc4 Ka6 64.Rc6 Kb5 65.Ne5 Bf8 66.Rc2 Bg7 67.Rc5 Ka4 68.g4 fg4 69.hg4 Bf8 70.Rc6 Kb3 71.Nc4 Nb4 72.Rc7 Nd5 73.Rc6 Nb4 74.Rc7 Na6?? 75.Ra7 Nb4+= 76.g5 76...Kc4= 77.g6 Nd5 78.Kg3 Ne7–/+ 79.g7 Nf5–+ 80.Kg4 Ng7 81.f5 Ne8 82.Ra6 Rd6 83.Rd6 Bd6 84.Kh5 Bf4 85.Kg6 Be3 86.Ba1 Bg5 87.Bb2 Kb3 88.Ba1 Nf6–+ 89.Kf7 Nd5 90.Ke6 Kc4 91.Ke5 h5 92.Ke4 Bf6 93.Bb2 h4 94.Kf3 Kd3 95.Kg4 Ke3 96.Ba3?! Ke4 97.Bc1 Bd4 98.Kh4 Kf5 99.Bg5 Bb2 100.Kh5 Bg7 101.Kh4 Kg6 102.Kg4 Be5 103.Bh4 Ne3 104.Kf3 Nf5 105.Ke4 Bc7 106.Bf2 Kg5 107.Be3 Kg4 108.Bd2 Ne7 109.Bb4 Ng6 110.Bc3 Bg3 ½–½. GrandMasterChess 80286 – SuperForte 5 Mhz, 1994.

8.Nd4 Bg6 9.Be2 =.

8.Be2 c6 9.0-0 0-0 10.d3 Qe7 11.Re1 a5 12.b5 Ne5 (12...cb5 13.Nc3 b4 14.Nb5 ba3 15.Nd6 ab2 16.Nf5+=) 13.Qb3 Nfg4 14.Nbd2 Rfe8 15.Nf1 Nf3 16.Bf3 Ne5 17.Be2 Qh4 18.bc6 bc6 (worse is 18...Nc6 19.Qd5 Be5 20.d4+/–) 19.Qc3 Bf8 20.Ng3 Bd7 21.d4 Ng4 22.Bg4 Qg4 (worse is 22...Bg4 23.Qc6 Be6 24.Rab1+=) 23.f3 Qh4 24.e4 Bd6 25.e5 Bc7 26.Qc2 Rab8 27.Rad1 a4 28.Bc3 Rb3 29.Bb4 Bb6 30.Bc5 Ba5 31.Re2 Reb8 32.Nf1 Qg5 33.Bd6 R8b5 34.Nd2 Rb2 35.Qc1 0–1. Saradjen,Janko (2155) – Bulic,Josip (2220), Lucija Domen op 1st, 2006.

9.0-0 c6 10.Qb3 Qe7=+ 11.Nc3 h6 12.Nd4 Bg6 13.f4 Kh8 (13...a5 14.Nc2=+) 14.Nd1 (14.Bf3!?=) 14...Ne4=+ 15.Nf3 Bh5 16.Qc2 a5 17.Nf2 Nf2 18.Rf2 ab4 19.ab4 Ra1 20.Ba1 Bf3 21.Bf3 (21.Rf3 Bb4 22.Bd4 c5=+) 21...Bb4=+ 22.Qb2 (22.Bd4 Bc5=+) 22...f6 23.Rf1 b5 24.Qc2 Nb8 (24...Nb6 25.Qc6 Bd2 26.Qb5 Be3 27.Kh1=+) 25.Be2 Bd6 26.Qg6 (26.Kf2 Kg8=) 26...Qe4=+ 27.Qh5 (27.Qe4 de4 28.Rc1 g5=+) 27...b4 (better 27...Bb4!? 28.Bf3 Qd3-/+) 28.Rc1=+ Kg8 29.Qg4 Qe7 30.Bd3 g5? (better 30...Rd8=) 31.h4+/- (31.h4 Qd7 32.Bf5+-) 1-0. carlos78 (2150) - Petrovich63 (2170), Rated Blitz game, lichess.org, 2015.

9.0-0 Qe7 10.h3 (10.Nd4 Be6=) 10...Ne5 (10...a5 11.ba5 Nc5 12.Nc3=+) 11.d3 (11.Ne5!? Be5 12.Be5 Qe5 13.d4=) 11...Nf3-/+ 12.Bf3 Be5 (12...a5!?-/+) 13.Be5= Qe5 14.d4 Qe6 15.Nd2 Ne4 (15...a5 16.Qb3=) 16.Rc1 c6 17.Nb3 Rfe8 18.Nc5 Nc5 19.dc5 (19.Rc5 a6=) 19...Be4 20.Bg4 Qg6 21.Kh2 (21.Bf3 Qg5=+) 21...f5 (21...a5 22.Qd4-/+) 22.Bf3=+ Rf8 23.Rg1 f4 24.Be4 Qe4 25.ef4 (better 25.Qd4!?=+) 25...Qf4-/+ 26.Kh1 Qf2 27.Qg4 (27.Qd3 Rae8 28.Rgf1 Qh4-/+) 27...Qf5 (27...Rae8 28.Qd7 Qf7 29.Qf7 Kf7 30.Rgf1 Kg6 31.Rf8 Rf8 32.Re1-+) 28.Qd4 (28.Qf5 Rf5 29.Rge1 Kf7-/+) 28...Rae8 29.Rce1 Qf4?? (29...Qf7 30.Qd3-+) 30.Qd3 (better 30.Qf4 Re1 31.Qc7+-) 30...Re4 (30...Qh4 31.Qc3-+) 31.Rgf1 (31.Re4!? Qe4 32.Qe4 de4 33.Rd1-/+) 31...Re1 32.Re1 Qf7 33.Kg1?? (33.Qg3 Qd7-/+) 33...Re8 (better 33...Qf2 34.Kh2 Qe1-+) 34.Rf1 Qe7 35.Qf5 (35.Rf3 Qe1 36.Kh2 Qe5 37.Kg1 Re6-+) 35...Qe3 (35...Rf8 36.Qd3-+) 36.Kh2 Qe6 37.Qf3 Qe5 38.Kg1 Qe3 39.Rf2 Qf3 40.Rf3 Re1 41.Kf2 Re7 42.Rd3 Rf7 (42...Re4 43.Rf3-/+) 43.Ke3 Kf8 44.g4 Re7 45.Kf4 (45.Kd2!?-/+) 45...Re4-+ 46.Kg3 Kf7 47.Rf3 Ke7 48.h4 g6 49.g5 Re5 (49...Rc4 50.Re3 Kf7 51.Rf3 Ke6 52.Rf6 Ke7 53.h5=+) 50.Rf6 (better 50.Kf2-/+) 50...Re4 (50...Re3!? 51.Kg4-+) 51.Rf3 Ke6 (better 51...Rc4-+) 52.Kh3?? (52.Rf6 Kd7-/+) 52...Re5 (52...d4 53.Kg2 Rh4 54.Kg3-+) 53.Kg4? (53.Rf6 Kd7-/+) 53...Rf5?? (better 53...d4 54.Rf6 Kd5-+) 54.Re3-/+ Re5 55.Rd3?? (55.Rf3 d4 56.Kg3-+) 55...Re4-+ 56.Kg3 Ke5 (better 56...d4-+) 57.h5 (57.Rf3 d4 58.Rf1-+) 57...Rd4 (better 57...gh5 58.Rf3 Rg4 59.Kh3 d4-+) 58.Re3 (better 58.Rf3 gh5 59.Rf7 Rg4 60.Kf3-/+) 58...Re4 59.Re4?? (59.Rd3 gh5 60.Rf3-+) 59...Ke4-+ 60.hg6 (60.a4 gh5 61.Kg2 d4-+) 60...hg6 61.Kf2 d4 (better 61...Kd3 62.Kf3-+) 62.Ke2 Kf5 63.Kd3 Kg5 64.Kd4 Kh4 (64...Kf4 65.Kd3 g5 66.Kd2-+) 65.Ke5 (65.Ke4 Kg4 66.Ke5 g5-+) 65...g5 66.Kd6 g4 0-1. Antares_Sco (2000) - flamengoxadrez (2040), Daily SuperBlitz Arena, lichess.org, 2021.

9.0-0 Re8 10.d4 (10.Nd4 Be6=) 10...Ne4 11.Nbd2 Ndf6 12.Ne4 Ne4 (worse 12...Re4 13.Bd3=) 13.Nd2 c6 14.Ne4 Be4 (worse 14...Re4 15.Bd3+=) 15.Bf3 Qh4 16.g3 Qf6 17.Be4 Re4 18.Rc1 Qg6 (18...a6 19.Qh5=+) 19.Qf3 (19.Qd3 f5=+) 19...Rae8 20.Rc6?? (better 20.Qe2-/+) 20...bc6-+ 21.Qf7 (21.Rc1 Be7 22.Qd1-+) 21...Kf7 22.a4 Bb4 23.Bc3 Bd6 (23...Bc3 24.Rc1 Bd4 25.Rf1-+) 24.Bb4 h5 (better 24...Bb4!? 25.Rc1-+) 25.Bc5 h4 (better 25...Bc5 26.dc5 Ra4 27.Rc1-+) 26.Ba3 h3 27.Bd6 (27.a5 Qf5 28.Bc1 Qf3 29.Ba3 Qg2) 27…Qg4 (27...Qg4 28.f3 Qg6 29.fe4 Kg8-+; 27...Rd4 28.Be5 Qe4 29.f3 Qc2 30.Rf2 Rd1 31.Rf1 Qg2) 0-1. cucosant2 (1795) - Timmothy_Pealer (1910), Casual Blitz game, lichess.org, 2020.

9.0-0 h6 10.d3 c6 11.Nbd2 Re8 12.Nb3 Bh7 13.Rc1 Qe7 14.Rc2 Ng4 15.Nbd4 Nge5 16.Rd2 (16.Qd2 Nf3 17.Nf3 Ne5=) 16...a5+= 17.Ne5 Ne5 18.b5 Ba3 19.Qb3 (19.Ba3 Qa3 20.bc6 bc6–/+) 19...Bb4 20.Rdd1 Qd7 (20...a4 21.Qa2–+) 21.e4 (21.Nc2 Bd6–/+) 21...c5 22.Nf3 (22.Nc2 a4 23.Qa2 Ng6–+) 22...Nf3 (22...Ng6 23.Qa2–+) 23.gf3? (better is 23.Bf3 a4 24.Qa2–+) 23...d4 24.Qc4 Bf5! 0–1. Carzolio,Luigi (2040) – Riccio,Eros (2195), Imperia op, 2003.

9.Nd4 Bg6 10.0-0 a5 11.f4 h6 12.ba5 Ra5 13.Nb5 Be7 14.N1c3 c6 15.Nd4 Bd6 16.d3 (16.f5 Bh7+=) 16...Re8 17.Qd2 Nc5 18.a4 Qe7 19.e4 de4 20.de4 Qd8 21.e5 Qb6 22.Kh1 (22.ed6 Nb3 23.Rad1 Nd2 24.Rd2 Re6–+) 22...Nce4 23.Qc1 Bc5 24.f5 Bh7 25.Nc2 Nf2 (better is 25...Re5!? 26.Ne4 Re4+=) 26.Rf2+/– Bf2 27.ef6 Rf5 28.a5 Ra5 29.Ra5 Qa5 30.fg7 Qf5 (30...Bc2 31.Qc2 Bd4 32.Qd2–/+) 31.Ne1 (better is 31.Nb4!?=) 31...Be1 32.Qe1 Qc2 33.Bc1 Bd3 34.Bh6 Be2 (34...Re2?! 35.Ne2 Qe2 36.Qa1+=) 35.h3 f6 36.Kg1 Bh5 37.Qh4 Qc3 38.Qh5 Qe1 39.Kh2 Qe5 40.Qe5 Re5 41.Kg3 b5 0–1. Daatselaar,Jan Bart van (2200) – Van hentenryck,Alain (1685), corr WC15/WS63 ICCF, 2006.

8.a4 0-0 9.Be2 h6 (9...c5 10.bc6 bc6 11.Nd4=+) 10.0-0 Re8 11.h3 Nc5 12.Nd4 Bh7 13.Nc3 (13.d3 Qe7=) 13...Nd3=+ 14.Bd3 Bd3 15.Re1 Rc8 (15...c5 16.Nb3–/+) 16.a5 (16.Qb3 Bg6=+) 16...Qd7 (16...c5 17.Nf3–/+) 17.Qb3=+ Bc4 18.Qa4 (18.Qc2 a6=) 18...c5=+ 19.bc6 bc6 20.e4 Be5 (20...Qb7 21.Ba3 Ba3 22.Ra3 Ne4 23.Ne4 Re4 24.Re4 Qb1 25.Kh2 Qe4 26.Nc6 Qe8=+) 21.Nf3 (21.ed5 cd5 22.Nf3 Bd6=+) 21...Bb8 (better 21...Bc3!? 22.Bc3 Bb5–/+) 22.ed5 cd5 23.Qd7 Nd7 24.d4 (24.d3 Bd3 25.Rad1 Re1 26.Ne1 Bc4 27.Nd5 Kh7=) 24...Nf6 25.Re8 Re8 26.Na4 Re2 27.Re1 Rc2 (27...Bc7 28.Re2 Be2 29.Bc3–/+) 28.Rc1 Rc1 29.Bc1 Ne4 30.Nd2 Nd2 31.Bd2 Bc7 32.Nc5 a6 33.f3 Kf8 34.Bb4 Ke8 35.Kf2 Bf4 36.g3 Bc1 37.Nb7 Bb2 38.Bc5 Bc3 (38...Kd7 39.f4=) 39.Bb6 Ke7 40.Ke3 Be1 41.g4 Bf1 42.Nc5 (42.h4 g6=) 42...Kd6 43.f4 (43.Nb7 Kd7 44.Bc5=+) 43...Bc3 (43...Kc6!?–/+) 44.h4= White prepares g5 44...Bb2 45.g5 (45.Nd3 Bd3 46.Kd3 Kc6=) 45...h5 46.Nb7 Ke6 47.Nd8 Ke7 48.f5 Bc1 49.Kf2 Bd3 50.Nc6 Ke8 51.f6 gf6 52.gf6 Bb5 (52...Bf4 53.Bc5=) 53.Nb4 (53.Ne7 Bc4+=) 53...Bc4= 54.Nc6 Kd7 55.Ne5 (55.Nd8!?=) 55...Ke6=+ 56.Bd8 Bb5 (56...Bf4 57.Nf3–/+) 57.Be7 (57.Nf3 Bf4=+) 57...Bf4–/+ 58.Nf3 Bd3 (58...Kf5 59.Bd8–/+) 59.Bd8 (59.Ng5 Bg5 60.hg5 Kf5–/+) 59...Kf5–/+ 60.Ne1? (60.Ng1 Be4 61.Nh3 Bc1–/+) 60...Bc4 (60...Be4!? 61.Be7–+) 61.Nc2 (61.Kf3 Bd2 62.Kf2 Ke4–/+) 61...Kg4 (61...Ke4!?–+) 62.Ne1?? (better 62.Ne3 Kh4 63.Ng2 Kg4 64.Nf4 Kf4 65.Bc7 Kg4 66.Kg2–/+) 62…Bg3–+ (62...Bg3 63.Kg2 Be1–+) 0–1. retiponziani (2030) – Smarty Pants (2030), ChessWorld.net, 2017.

8.Nc3 0-0 9.Be2 h6 (9...a6 10.ba6 ba6 11.0-0=+) 10.0-0 Re8 11.a4 (11.d3 c5=) 11...Qe7 (11...a6 12.ba6 ba6 13.Nd4=) 12.d4 (12.Nd4 Qe5 13.f4 Qe7 14.Nf5 Qe6+–) 12...c6 (12...a6 13.ba6 ba6 14.Bd3 Bd3 15.Qd3=) 13.Bd3 (13.Nh4 Be6=) 13...Ne4 (13...Bd3 14.Qd3 Rac8 15.bc6 bc6 16.Rfb1=) 14.bc6= bc6 Black gets the initiative. 15.Be4 (15.Rb1 Rab8=) 15...de4 16.Ne1 (16.Qc2 Qf6 17.Nd2 Qh4=) 16...Rab8 17.Qc1 (17.Qh5 Qg5 18.Qg5 hg5=+) 17...Nf6 (17...Qh4 18.f4–/+) 18.Nc2 Qc7 19.g3 (19.h3 Bh2 20.Kh1 Bd6=+) 19...Bg4 20.Ba3 Bf3 (better is 20...Nd5 21.Bd6 Qd6–/+) 21.h3? (better is 21.Ne1=+) 21...Bg3!–+ 22.Ne1?? (22.fg3 Qg3 The nicest combinations are those leading to mate) 22…Bh2# 0–1. Owen,Herbert – Wilkerson,Max, USA op Concord Cal, 1995.

8.Nd4 Be4=+.

8.Be2 0-0 9.0-0 h6 10.Nc3 Re8 11.Nd4 Bg6 12.f4 Bc5 13.Na4 Be4? (13...Bd6!?=) 14.Rc1 (14.f5 Bd6 15.d3 Bg2 16.Kg2 Re3+/-) 14...Bb6 (14...Bd6 15.f5 Qe7 16.Bc3=) 15.Qb3 Nf8 (15...Ba5 16.Bc3 Bc3 17.Qc3+/- (worse 17.dc3 Qe7=+)) 16.Nb6 (better 16.f5!?+-) 16...ab6+/- 17.a4 Ne6 18.Ne6 Re6 19.f5 Re8 20.Bf6 Qf6 21.Rc7 Bf5? (21...Rad8+/-) 22.g4?? (22.Qd5!? g6+-) 22...Qe5? (better 22...Qd6 23.Rf7 Kf7 24.Rf5 Kg8+=) 23.Rb7 Be6 24.Qc3?? (24.Rb6!? h5 25.Rf4 Rec8+-) 24...Qg5? (better 24...d4!? 25.Qa1 Qc5=) 25.Qd4 h5 26.h3 (26.Rb6?! Bg4 27.Bg4 Re4+=) 26...hg4 27.hg4 Qh4 28.Rf2 (better 28.Kg2 Qd8 29.Bd3+-) 28...Qg3 29.Rg2 Qe1 30.Bf1 Rac8 (30...Qd1 31.Qf4=) 31.Qf4 (31.Qb6?! Rc1 32.Rf2 Rc4=) 31...Rc4 32.Qf2 Qf2 33.Kf2 (33.Kf2 Ra4 34.d4+=) 1-0. carlos78 (2190) - vlabor64 (2065), Rated Blitz game, lichess.org, 2015.

8.Be2 0-0 9.Nh4 Bg6 (9...Be6 10.Nf3=+) 10.Ng6= hg6 (10...fg6 11.Nc3=) 11.0-0+= Qe7 12.Bf6 Nf6 13.Nc3 Rfe8 14.Bf3 (14.d4 Qe6+=) 14...c6 (14...Qe5 15.g3=) 15.a4 Rac8 16.bc6 bc6 17.Qb3 (17.d4 Qc7 18.h3 Rb8+=) 17...g5 (17...Qe5 18.g3=+) 18.h3 (18.d4 g4 19.Be2 Qc7=) 18...Qe5=+ 19.g3 Qe6 Black prepares the advance g4 20.Kg2 g4 21.hg4 Ng4 22.Rh1 Ne5 23.Be2 Qf6 (23...Ng6 24.Rh5+=) 24.Qc2 g6 (24...Ng6 25.Rab1+=) 25.f4 (25.d4!? Nd7 26.Bg4+=) 25...Nd7= 26.Rab1 Rc7 27.Bg4 (27.Rh6 d4 28.Ne4 Qf5+=) 27...Nc5 28.Bf3 Ne6 29.Bg4 Ng7 (29...Nc5 30.Rh4=) 30.Rh2 Ne6 31.Rbh1 Rb8 (31...Nc5 32.a5+=) 32.e4+/- Bf4 (32...Bb4 33.ed5 Bc3 34.de6 Rb2 35.ef7 Kf8 36.Rh8 Qh8 37.Rh8 Bh8+-) 33.Be6+- Be5 34.Rh8! Qh8 35.Rh8 Kh8 36.Bg4 Rb4 37.Qd3 (37.Bf3 de4 38.Ne4 c5+-) 37...Rd4 (37...de4 38.Ne4 Kg7+/-) 38.Qe3+- Re7 (38...de4 39.Ne4 c5 40.Nf2+/-) 39.Qh6 Kg8 40.ed5?? (40.Qg5 Bd6 41.ed5+/-) 40...cd5?? (40...Rg4 41.dc6 Rg3 42.Kf2 Rd3-/+) 41.Qg5+- Kf8 42.Nb5 (42.Bf3!? Bh8 43.Kf1 Rd7 44.Bd5 Re7+-) 42...Rd3 Attacks the isolani on g3 (42...Ra4 43.Nc3 Bc3 44.dc3 Rc4+/-) 43.Be2?? (better 43.Bf3 d4 44.a5+-) 43...Rg3-+ 44.Qg3 Bg3 45.Kg3 Re2 46.d4 (46.Na7 Rd2 47.Nc6 Rc2-+) 46...Ra2 47.Nc3 (47.Na7 Ra4 48.Nb5-+) 47...Ra3 48.Kf4 Rc3 49.Ke5 Rc4 (49...g5 50.Kf5 f6 51.a5 Rf3 52.Kg4 Rf4 53.Kg3 Rd4 54.Kf3-+) 50.Kd5 Ra4 51.Kc5 (51.Ke4 g5 52.Kf5 Rd4 53.Kg5 a5 54.Kf6 a4 55.Ke5 Rd1 56.Kf4 a3 57.Kg3 a2 58.Kg4 Rd4 59.Kg3 a1Q 60.Kg2 Qb2 61.Kf3 Qc3 62.Ke2 Rd2 63.Kf1 Qc1) 51...Ke7 52.d5 Kd7 53.d6 Ra6 54.Kb5 Rd6 55.Kc4 g5 (55...g5 56.Kb3 f5 57.Kb2 f4 58.Kb3 f3 59.Kc3 f2 60.Kc4 f1Q 61.Kb3 Qd3 62.Ka4 Rb6 63.Ka5 Qb5) 0-1. Antares_Sco (1810) - breizhchess22 (2220), Hourly Blitz Arena, lichess.org, 2017.

7.a3 a5 8.b5 Be7 (8...Nc5!?=) 9.Bg7+= Rg8 10.Bb2 Bf6 (10...N7b6 11.d3 Bg4 12.Nbd2+/-) 11.d4 Qe7 (11...Be7 12.Nbd2 N7f6 13.Qe2+/-) 12.Nc3 Nc3 13.Bc3 Nb6 Black plans a4 14.Qd2 a4 15.Bb4 Qd7 16.Rc1 Be4 17.Bd3 (17.Ne5!? Be5 18.de5+/-) 17...Bd3+= 18.Qd3 Rg2 19.Qh7 0-0-0 (19...Nd5!? 20.Nh4 Rg5+=) 20.Qc2 Nd5 (20...Rdg8!?+-) 21.Qa4 Kb8 22.Bc5 b6 23.Bb4 Rh8 24.Bd2 (better 24.h4+-) 24...Bh4?? (24...e5 25.de5 (25.Ne5?! Be5 26.de5 Qf5+=) 25...Qf5 26.Qd1+/-) 25.Nh4 (better 25.Ne5 Qe8 26.Nc6 Kc8 27.Qa8 Kd7 28.Ne5 Ke7 29.Rc7 Nc7 30.Bb4 Kf6 31.Qf3 Kg7 32.Qg2 Kh6 33.Rg1 Rg8 34.Ng4 Kh5 35.Nf6 Bf6 36.Qf3 Kh4 37.Qf6 Kh5 38.Qf3 Kh4 39.Qe4 Kh5 40.Qh7) 25...Rh4+/- 26.h3 (better 26.Qc4!?+/-) 26...e5= 27.Qb3 (better 27.Qc4!? ed4 28.Qc6=) 27...ed4 (27...Rh3 28.Rf1 ed4-+) 28.ed4= (28.ed4 Qf5 29.Rf1 Re4 30.Be3-+). carlos78 (2315) - milecne (1960), Rated Blitz game, lichess.org, 2015.

7.a3 c6 8.Nc3 N7f6 9.Nd5 ed5 (< 9...cd5 10.Bb5 Ke7 11.Nh4+/–) 10.Be2 h5 11.Nd4 Be4 12.0-0 h4 13.d3 Bg6 14.f4 h3 15.g3 Qe7 16.Qd2 Bh5 17.Rac1 Ng4 (better is 17...Be2!? 18.Qe2 a5+=) 18.Nf5+– Qd7 19.Bg4 (19.Ng7 Bg7 20.Bg7 Rg8+–) 19...Bg4+/– 20.Ng7 (20.Bg7? Bg7 21.Ng7 Kf8–+) 20...Bg7 21.Bg7 Rg8 22.Bd4 b6 23.Qc3 Rc8 24.Rf2 Qe6 25.e4 de4 26.de4 Qd6 27.Bf6 Be6?? (better is 27...c5+–) 28.Rd2 Qc7 (28...Bd5+–) 29.Qc6!! Qc6 30.Rc6 Rb8 31.Rcd6 (31...Bd7 32.Rd7 Rg3 33.hg3 h2 34.Kh2 Rc8 35.Rd8 Rd8 36.Rd8#) 1–0. mtrc – mihhim, internet, 2002.

7.b5 h6 8.Be2 Qe7 9.d4 Qb4 10.Qd2 Bd6 11.0-0 0-0 (11...Rd8 12.Qb4 Bb4 13.Ba3=) 12.Nc3 (12.Rc1 Rfd8=) 12...N5f6 (12...Rfd8 13.e4 Bf4 14.Nd5 Qd2 15.Ne7 Kf8 16.Nd2 Ke7 17.ef5 Bd2 18.fe6 fe6 19.Rad1+=) 13.a3 Qb3 14.Bd1 Qc4 15.Rc1 Bd3 16.Be2 Be2 17.Qe2 Qb3 (17...Qe2 18.Ne2 a6 19.Nc3=) 18.Qc2= Qc2 19.Rc2 a6 20.ba6 ba6 (20...Ra6 21.Nb5 Nd5 22.e4+– (22.Nd6?! cd6 23.e4 Nf4+/–)) 21.h3 (21.Rfc1 Rfb8+=) 21...c5 22.Rd1 Rab8 23.Ne2 Ne4 24.dc5= Ndc5 25.Be5 Be5 26.Ne5 f6 27.Ng6 Rfc8?? 28.Ne7+– Kf7 29.Nc8 Rc8 30.f3 Nf2? 31.Rdd2 Nh3 32.gh3 Rc7 33.Nf4 a5 34.Nd3 Na6 35.Ne5 fe5 36.Rc7 Nc7 37.Rd7 Kf6 38.Rc7 g6 39.Kf2 g5 40.Rh7 Kg6 41.Ra7 a4 (41...Kf5 42.Ra5 Kf6 43.a4+–) 1–0. SuperConstellation4 – Mephisto Mondial12, 1994.

7.Nd4 Bb1 8.Rb1 Nb4 9.Ne6? (better 9.Bc3 a5 10.a3=+) 9...fe6–+ 10.Qh5 (10.Bg7 Bg7 11.Qh5 Ke7 12.Qh4 Kf7 13.Qh5 Kg8 14.Rb4 Nb6–+) 10...Ke7 11.Ba3 c5 (11...a5 12.Bc4–+) 12.Qg5 (12.Bb4 cb4 13.Rb4 Qc7–+) 12...Nf6 (12...Ke8 13.Qh5 g6 14.Qd1–+) 13.Qc5? (better 13.Bb4 cb4 14.Rb4–+) 13...Kf7 14.Qc4 (14.Qc3 Rc8 15.Bb4 Rc3 16.Bc3–+) 14...Rc8 15.Qb3 (15.Bb4 Rc4 16.Bc4 Qc8–+) 15...Nc2 16.Ke2 (16.Kd1 Na3 17.Qb7 Rc7–+) 16...Na3 17.Qb7 Rc7 18.Qa6 (18.Qb8 Qb8 19.Rb8–+) 18…Nb1 (18...Nb1 19.d4 Qd5–+) 0–1. GuestNQKQ – GuestTMDK, freechess.org, 2017.

8.b5 N7f6=+ 9.d3 Qa5 (9...Bg4 10.h3 Bf3 11.Qf3 Qa5 12.Nd2 Qb5 13.Rb1+=) 10.Nfd2 (10.Qd2 Qd2 (worse 10...Qb5 11.e4+–) 11.Nbd2 Bg6=) 10...Bg6 (10...Qb5 11.Qc2 Bg6 12.e4–/+) 11.Be2 (11.Qb3!?=) 11...Qb5–/+ 12.Qc2 Be7 13.Nc3 Nc3 14.Bc3 0-0 15.Rb1 Qc6 (15...Qa6 16.Qb3 Nd5 17.Be5–/+) 16.Bf3 (better 16.Bf6 Bf6 17.Bf3–/+) 16...Qd7 (16...Nd5 17.Be5–/+) 17.Ne4 (better 17.Rb7 Qd8 18.e4+=) 17...Ne4 18.de4 b6 19.0-0 Rad8 20.Rfd1 Qc7 21.Qa4 Bd6 22.h3 f6 23.Qb3 Bf7 24.Qb2 Be7 (24...c4 25.Be2–/+) 25.e5 f5 26.Qc2 Bg6 27.Be2 (27.Qa4 f4 28.e4 c4–/+) 27...Rd1 28.Rd1 Rd8 (28...f4 29.Qa4 Be8 30.Bb5 Bb5 31.Qb5=+) 29.Qb3 Rd1 30.Bd1 Qd7 31.Bf3 (31.Be2 Bf7=+) 31...Be8 (31...b5 32.Be2 c4 33.Qb2–/+) 32.e4 g6 (32...Bg6!?–/+) 33.ef5= gf5 34.Kh2 (34.Be2 Kf7=) 34...Bf7 (34...b5 35.Ba5–/+) 35.Qc4 (35.Be2 Bg5=) 35...Kf8 (35...b5 36.Qf4=+) 36.Qf4 (36.a4 Bg6=) 36...Ke8 37.Qh6 Bg6 38.Qg7 (38.Bb2 c4=+) 38...Bf8–/+ 39.Qf6 Qe7 40.Bc6 Kd8 41.Qh8 Qg7 42.Qg7 Bg7 43.f4 Be8 44.Bb5?? (better 44.Bb7–/+) 44…Bb5–+ 0–1. GuestKFYB – mora, freechess.org, 2017.

8.bc5 Nc5 9.Bb5 Nd7 10.Ne5 N5f6 11.g4 Be4 12.f3 Bb1 13.Rb1 a6 14.Bd7 Nd7 15.0-0 Ne5 16.Be5 Bd6 (16...b5 17.a4=) 17.Bd6 Qd6 18.Qa4 b5 19.Rb5 0-0 20.Qb4 Qd3 21.Rb7 Rad8 (The backward pawn on d2 becomes a target) 22.Rf2+= Rd5 23.a4 h5 24.Rc7 Rg5 25.Qe7 Qg6 26.h3 hg4 (26...Rd5 27.Qb4+=) 27.fg4+/– (27...Ra5 28.Qd7+/–) 1–0. mtr – Guajiro, internet, 2001.

8.Nc3 =+.

8.Be2 Nb4 9.d3 (9.Nd4 Nd3 10.Bd3 Bd3=+) 9...Bd3 (better 9...Nd3 10.Bd3 Bd3-/+) 10.Bd3? (better 10.0-0!?-/+) 10...Nd3-+ 11.Ke2 Nb2 12.Qc2 Na4! 13.Qa4 Qd7 (13...Nd5 14.Rd1 Qf6 15.Qd4-/+) 14.Nc3 Bd6 15.e4 Be7 (15...Qe7 16.e5 Nd5 17.Rac1=+) 16.Rhd1=+ Qc8 17.b6 (17.e5!? Nd7 18.Rd2=+) 17...c6-/+ 18.ba7 0-0 19.e5 Nd5 20.Nd5 ed5 21.Qd4 Re8 22.Kf1 Qc7 23.e6? (better 23.Qc3!?-/+) 23...fe6 (23...Bf6 24.ef7 Kf7 25.Qd3 Ba1 26.Ra1-+) 24.Re1 (24.Rab1 Bd6-+) 24...Bf6 25.Qg4? (25.Ne5-+) 25...Ba1 26.Ra1 Ra7 27.Ng5 (27.Kg1 c5-+) 27...Qe7 (27...Qh2 28.Nf3 Qh1 29.Ng1-+) 28.h3 (28.Re1 e5-+) 28...h6 (28...Qf6 29.Re1 Ra2 30.f4-+) 29.Nf3 Rea8 30.Ne5 (30.a4 c5-+) 30...Ra2 31.Ra2 Ra2 32.Kg1 Qd6 (32...Qf6 33.Qg3-+) 33.f4 d4 (33...Ra4 34.Nd3-+) 34.Qg6 Qe7 35.Qb1 Qa3 36.Qg6 (36.Kh2 Qe3 37.Qa2 Qf4 38.g3 Qe5-+) 36...Ra1 (better 36...Qe3 37.Kh2 Qf4 38.Qg3 Qg3 39.Kg3-+) 37.Kh2 Qe7 38.Qd3 c5 39.Ng6 (39.Qb3 Qf6 40.Qf3 b5-+) 39...Qf6 40.Qe4 Ra2 41.h4 (41.Qb1 Rd2 42.Qe4 c4-+) 41...c4 42.h5 c3 (better 42...Ra5!? 43.g4 Ra2 44.Kh3-+) 43.Qb7 Qf5 (better 43...Qd8 44.Qe4 Ra6-+) 44.Qc8 Kf7 (44...Qf8 45.Qf8 Kh7 46.Qh8) 45.Qf8 1-0. Antares_Sco (1755) - guitarbolt (1865), Hourly Blitz Arena, lichess.org, 2017.