7.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.cd5 Nd5).

7.a3 Bd6 8.Bd6=+ Qd6 9.d4 Bf5 10.Nf3 Nd7 11.Bd3 Bd3 12.Qd3 c5 13.Nc3 Nc3 14.Qc3 Qa6 15.Rc1 Rac8 16.d5 Nf6 17.Nd4? Nd5–+ 18.Qb3?? Rfd8 (18...Rfd8 19.e4 Nf4–+ (< 19...cd4 20.Ra1–+); better is 18...Qa5 19.Kd1 cd4 20.Rc8 Rc8 21.ed4 Nc3 22.Kc1 Qg5 23.Kb2 Qg2–+) 0–1. Nielsen – Cottarelli,Franco, corr ICCF TT–4–90, 1990.

7.Bb2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5).

7.Bb2 Bf5 8.Nf3 c5 9.Nc3 Nc6 10.Be2 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.Nc3).

7.Qb3 c6 8.Qb2 f6 9.Bc3 Nc3 (9...Bd6 10.d4=+) 10.Nc3= Ba5 11.Bc4 Kh8 12.Nf3 Bg4 (12...Nd7 13.0-0=) 13.Be2 (13.Qb7!? Nd7 14.Nd4 (14.Qc6 Bf3 15.Qf3 Ne5–/+) 14...Bc3 15.dc3+–) 13...Bb6 14.h3 (14.d4 Qd6+=) 14...Bf5 (14...Bh5 15.d4+=) 15.0-0 Nd7 16.Na4 (16.Rfd1+=) 16...Nc5 (16...Qe7 17.d4=) 17.Nb6 (17.Nc5 Bc5 18.Qb7 Qd5+–) 17...ab6 18.Nd4 (18.d4 Na4 19.Qd2 b5+=) 18...Bd3 (18...Be4 19.Rfd1=) 19.Bd3+= Nd3 20.Qc3 Nc5 21.Qc2 Qd5 (21...Re8 22.Rfb1=) 22.Nf5 (22.Rfb1 Ra6=) 22...Rfe8 (22...Ra3 23.f3=+) 23.d4= Ne4 24.g4 (24.Nh4 Ra3=) 24...Ng5=+ 25.Kh2 (25.f4 Ne4=+) 25...Qf3 (25...Nf3!? 26.Kg3 g6–/+) 26.Ng3= Ne4 (26...Ra5 27.Rfb1 c5 28.Rd1=+) 27.Qe2 (27.Ne4 Re4 28.Qd1 Qd1 29.Rfd1+= (worse 29.Rad1 Ra2 30.d5 Kg8=+)) 27...Qe2=+ 28.Ne2 Ra3 29.Nf4 (29.Ng3 Nc3=+) 29...Rea8 (29...b5 30.f3 Nc3 31.Ng2–/+) 30.Kg2 (30.Rfb1 b5 31.Rb2 Nc3=) 30...Ra2–/+ 31.Rab1 (31.Ra2!? Ra2 32.h4–/+) 31...b5 32.Ne6? (better 32.Rb4!?–+) 32…Nd2 0–1. GuestQFZJ – GuestJVTQ, freechess.org, 2017.

7.Qb3 Be6 8.Bc4 (better 8.a3 Nc6 9.Bg7 Kg7 10.ab4=+) 8...a5?? (better 8...Nc6!? 9.e4 Ne5 10.Bd5 Bd5 11.ed5 Qf6-+) 9.Nf3 (9.e4 Nd7 10.ed5 (10.Bd5? Ne5 11.Kf1 Bd5 12.ed5 Qf6-+) 10...Ne5 11.de6=+) 9...Nc6=+ 10.0-0 f6 (10...a4 11.Qc2=+) 11.Bb2 (11.Bc7 a4 12.Qb4 Qc7+=) 11...Rb8 (11...a4 12.Qc2=) 12.a3 (better 12.e4 a4 13.Qa4+/-) 12...Bd6?? (better 12...b5 13.Bd5 Bd5=+) 13.Bd5 (better 13.e4 a4 14.Qa2 Nce7 15.ed5 Bd7+-) 13...Bd5? (better 13...Bh2 14.Nh2 Bd5+-) 14.Qd5 Kh8 15.Nc3 Qe8 16.Nb5 g5 (16...Rd8 17.Qb3 Qe7+-) 17.Nd6 cd6 18.Qd6 (better 18.Ng5 Qe7+-) 18...Rd8 (18...Qg6+-) 19.Bf6 Rf6 (19...Kg8 20.Bd8 Qd8 21.Qe6 Kh8 22.Rab1+-) 20.Qf6 Kg8 21.Ng5 (21.Qg5!? Kh8+-) 21...Rd2 22.Qe6 (22.Rab1!? Rd7+-) 22...Qe6 23.Ne6 Ne5 (23...Rd6 24.Nf4+-) 24.Rad1 Rb2 (24...Ra2 25.Rd5 Nc6 26.Rd7 Ra3 27.Rb1+-) 25.Rd8 (better 25.Rb1!? Rb1 26.Rb1 Nc4+-) 25...Kf7 26.Ng5 Kf6 (26...Kg7 27.Rfd1 h6 28.Ne4+-) 27.Nh7 Kg6 28.Nf8 Kf6 29.Nd7 (better 29.Rc1!? Ke7 30.Ra8 Nd3 31.Rc7 Kd6 32.Rd7 Kc6+-) 29...Ke7 30.Ne5 Kd8 31.g3 (31.Rd1 Ke7 32.h4 Rc2+-) 31...Rb3 (31...b5 32.h4 Ke8 33.h5+-) 32.Rd1 Ke7 (32...Ke8 33.a4+-) 33.Rd3 Rd3 (33...a4 34.g4+-) 34.Nd3 Kd6 35.f4 Kd5 36.g4 Ke4 (36...b5 37.g5 Ke6 38.e4+-) 37.Kf2 (better 37.Nc5 Kd5 38.g5 Kd6 39.Nb7 Ke6+-) 37...Kd3 (37...Kd5 38.g5 Kd6 39.Nc5+-) 38.g5 b5 39.g6 b4 40.ab4 ab4 41.g7 b3 42.g8Q b2 43.Qd8 (43.Qb3 Kd2 44.Qb2 Kd3 45.Qb3 Kd2 46.e4 Kc1 47.e5 Kd2 48.e6 Kc1 49.e7 Kd2 50.e8Q Kc1 51.Qee3) 43...Kc4 44.Qc8 Kd5 45.Qb7 (45.Qb7 Kc5 46.Qb2 Kd6 47.Qe5 Kc6 48.f5 Kb6 49.f6 Kb7 50.f7 Kb6 51.f8Q Kb7 52.Qfb8 Kc6 53.Qbc7) 1-0. thalison – izzykee, Rated Blitz game, lichess.org, 2014.

7.Qc2 Re8 8.Nf3 Nc6 9.Bb2 Bg4 10.Bd3 Bf3 11.Bh7 Kh8 12.gf3 Qh4 13.Be4 Ne3 14.Qd3 Ng2 15.Kd1=+ Rad8 16.Qb5 Re4 17.fe4 Qf2 18.Kc1 Nf4 (18...Nf4 19.Kc2 Qg2–+ (< 19...Bd2 20.Bg7 Kg7 21.Qg5 Kf8 22.Qd8 Nd8 23.Nd2–+)) 0–1. Bartsch,Christian (1750) – McLeod,Fraser Neil (1980), IECG, 2000.

7.Nc3 c5 8.Nd5 (8.Qf3 Be6 9.Nd5 Bd5=+) 8...Qd5 9.Bc3 Nc6 10.Ne2 (10.Qf3 Qd8=+) 10...Bf5 (10...Rd8 11.Nf4 Qd6 12.Be2=+) 11.f3 (11.Nf4 Qd6=+) 11...Bc3–/+ 12.Nc3 (12.dc3 Qe5 13.e4 Be6–/+) 12...Qd6 13.e4 (13.a3 Rad8–/+) 13...Be6 14.Rb1 b6 15.Bb5 Nd4 16.Ba6 Rad8 17.0-0 Qf4 18.Rf2 Rd7 (18...f5 19.Qf1–/+) 19.Qa4 Rb8 (19...Rfd8 20.Bc4–/+) 20.Bc4 Rbd8 21.Be6 Ne6 22.g3 Qh6 23.Nd5 Nd4 24.Qc4 Qg6 25.d3 Kh8 26.Kg2 f5 27.Rbb2 Rf8 28.a4 Rdf7 29.Nf4 Qh6 30.Ne2 Nc6 31.Nf4 fe4 32.de4 Nd4 33.Rbd2 Re7 34.a5 Rb7 35.Rb2 Qf6 36.Nd5 Qc6 37.Qa6 Rfb8 38.Rb1 Qa4 39.Nc3 Qa3 40.Nd5 Rf7 41.Qf1= Rbf8 ½–½. Korchut,Adam – Ruhle,Ernst_Olav, corr ICCF TT–6–02–3, 2004.

7.Bc4 Be6 8.Bd5 Bd5 9.Nf3 Nc6 10.Bc3 Qe7 11.0-0 a5 12.a3 Bd6 13.d3 Rfd8 14.e4 Be6 (14...Be4 15.de4 Bh2 16.Nh2 Rd1 17.Rd1 Qe4 18.Ra2-/+) 15.Re1 Bf4 16.g3 Bh6 17.Nbd2? (better 17.Qe2 Bg4 18.Kg2-/+) 17...Rd3-+ 18.Qc2 Qd7 (better 18...Rad8!? 19.Rab1 Qa3 20.Rec1-+) 19.Rad1 Rd8 20.Re2?? (20.Rb1 b6 (20...Rd2?! 21.Nd2 b5 22.f4=; 20...Bd2?! 21.Nd2 b6 22.Nf1-+) 21.h3 Bh3-+ (21...Bd2?! 22.Nd2 Bh3 23.Nc4-+)) 20...Rd6 (better 20...Rf3 21.Nf3 Qd1 22.Kg2-+) 21.Rde1? (better 21.Rb1 Bg4 22.Ree1-+) 21...Bg4 22.Qb2 Bd2 (better 22...Rd3 23.Kg2 b5-+) 23.Rd2 (23.Nd2 Be2 24.Re2-+) 23...Bf3 24.Rd6 (24.Re3 Rd2 25.Bd2 Nd4-+) 24...Qd6 (24...Qh3 25.Rd8 Nd8 26.Bg7 Qg2) 25.Bg7-+ Qd1! 26.Bc3 (26.Rd1 Rd1 A beautiful mate combination) 26...Be4 27.Qb5 Qf3 28.Kf1 (28.Qg5 Kf8 29.Qg7 Ke8 30.Re4 Qe4 31.Qg8 Kd7 32.Qg5-+) 28...Bd3 29.Qd3 Qe3 (better 29...Qd3 30.Kg2 Qc3-+) 30.Qe3 (30.Qe3 Ne5 31.Qg5 Kf8 32.Qe5 f6 33.Qf6 Kg8 34.Qg7) 1-0. jailson1001 (1700) - OCBintheHouse (2030), Rated Blitz game, lichess.org, 2015.

7.Be2 Nc6–/+ 8.Bb2 Re8 9.Nf3 Bf8 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Bf8).

7.Nf3 b6 8.Be2 Bb7 9.0-0 Nd7 10.Bb2 Bd6 (10...Re8 11.Nc3=) 11.Qa4 (11.Na3 Re8=) 11...c5 12.Qg4 N7f6 13.Qh4 Be7 (13...Re8 14.Nc3=+) 14.Qg3 (14.d4 Rc8 15.dc5 Rc5=) 14...Nh5 (14...Nb4 15.Ne1=+) 15.Qg4= Nhf6 16.Qh4 (16.Qg3!?=) 16...Nb4=+ 17.Na3 Nd3 18.Bd3 (18.Bc3 Ne4 19.Qh5 Bf6 (19...Nc3 20.dc3 Ba6 21.Rfd1+=) 20.Bf6 Nf6-/+ (worse 20...gf6 21.Rab1+=)) 18...Qd3 19.Ne5 (19.Qh3 b5-/+) 19...Qd2 20.Nac4 Qd5 21.Qg3 (21.f3 Qe6-+) 21...b5 (21...Qe6 22.Rfd1-+) 22.Rfd1 (22.Na5 Rad8 23.Nb7 Qb7-/+) 22...Qe6-+ 23.Na5 Be4 (23...Ne4 24.Qg4 Qg4 25.Ng4-/+) 24.Nd7 (24.f3 Nh5 25.Qg4 Qg4 26.Ng4 Bg6=+) 24...Rfd8-+ 25.Nf6 Bf6 26.Bf6 Qf6 27.Qc7? (27.Nb3 c4 28.Nd4 Rd5-+) 27...Rdc8 (better 27...Rd2! 28.Rf1 Qg5 29.Qg3 Qg3 30.hg3-+ (30.fg3?? Rg2 31.Kh1 Rg3 32.Rf3 Bf3)) 28.Qg3 c4 29.Rd4 Bd3 (better 29...Rd8 30.Rad1 Qb6 31.Rd8 Rd8 32.Rd8 Qd8-+) 30.Rc1? (better 30.Nb7-/+) 30...Qb6 31.Qg4 f5 (better 31...Rd8 32.Nb3 cb3 33.ab3 f5 34.Rd8 Rd8-+) 32.Qg5-/+ h6 (32...Qa5?? 33.Rd7 Qc3 34.Rc3 g6 35.Qf6 b4 36.Qg7) 33.Qg3? (33.Qe7-/+) 33...Rc7 (better 33...Rd8 34.Rd8 Rd8-+ (34...Qd8?! 35.Nc6 Qf6 36.Qc7-/+)) 34.Rd3=+ Qa5 35.Rdc3 (35.Rd5 Rf7=+) 35...Rf8 (35...Rd7 36.R3c2-+) 36.Qe5 Rcf7 (36...Rff7 37.a3-/+) 37.g3 (37.Rc4 Rd8+=) 37...Qa2 (better 37...Rc8!?-/+) 38.Qb5= Rd7?? (better 38...Rd8=) 39.Qd7+- 1-0. pacalmisu (2450) - kukumuku (2395), Rated Blitz game, lichess.org, 2016.

7.Nf3 c6 8.Bc4 Be6 9.0-0 f6 10.Bb2 Bf7 11.d4 b5 12.Bb3 a5 13.a3 Be7 14.e4 Nf4 15.Qd2 Bb3 16.Qf4 Bf7 17.Qg4 Bg6 18.Nh4 Qd7 19.Qg3 Bd6 20.e5 Bb1 21.Rab1 fe5 22.de5 Bc7 23.Rbd1 Qe6 24.f4 Nd7 25.f5 Qc4 26.f6 Nf6 27.ef6 Bg3 28.fg7 Rf1 29.Rf1 Bh2 30.Kh2 Qf1 31.Nf5 Qf5 0–1. elektrooon – jaguar6, internet, 2013.

7.Nf3 Be6 8.Bb2 c5.

7.Nf3 Be7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Be7 7.cd5 Nd5).

7.f4!? Nc6 8.Bc3–/+ Qe7 9.Be2 Bc3–+ 10.Nc3 Nc3 11.dc3 Qe3 12.Qd2 Qe4 13.Nf3 Rd8 14.Qb2 Re8 15.Rd1 Bf5 16.Nh4 Bg4 17.Rd2 Be2 18.Re2 Qf4 19.Nf3 Re2 20.Ke2 Re8 21.Kd1 Rd8 22.Kc2 Qe4 23.Kc1 Ne5 24.Re1 Nd3 (25.Kc2 Ne1 (25...Nb2?! 26.Re4 Nd3 27.Re7–/+) 26.Kb3 Qd5 27.c4 Qd1 28.Ka3 Qd6 29.Qb4 Nc2 30.Kb2 Nb4 31.Ne1 Qd2 32.Kb3 Qa2 33.Kb4 a5 34.Kc3 Qd2 35.Kb3 Qb4 36.Ka2 Rd2 37.Nc2 Rc2 38.Ka1 Qe1#) 0–1. Rush,Bradley – Skjoldebrand,Martin, IECG CUP95, 1995.

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bf6 11.Ra2 A) 11...Bg4 A1) 12.Qc2 Bf3 (12...Bb2 13.Rb2 Bf3 14.gf3 Rb8 15.Nc3 Nc3 16.Qc3=+; 12...Nb6 13.Bd3 Bf3 14.gf3 g6 15.Be4 Rc8 16.d3=+) 13.gf3 Re8 14.Qf5 Ne5 15.Be5 Re5 16.Qc2–/+; A2) 12.h3 Bf5 (12...Be6 13.Qc2 Rb8 14.0-0 b5 15.Bd3 Ncb4 16.ab4=; 12...Bh5 13.Bf6 Nf6 14.0-0 Qe7 15.Nc3 Rad8 16.Be2=+) 13.0-0 Nb6 14.Bf6 Qf6 15.d3 Nc4 16.dc4–/+; A3) 12.Bf6 Nf6 13.0-0 b6 14.Be2 Be6 15.Rb2 Rc8 16.Qc2=+; B) 11...Bf5 B1) 12.0-0 Nb6 (12...a6 13.Bf6 Nf6 14.a4 Bd3 15.Bd3 Qd3 16.Rb2=; 12...Rb8 13.Bf6 Nf6 14.Rb2 Bg4 15.Be2 Qe7 16.Qa4=) 13.Bf6 Qf6 14.d3 Nc4 15.dc4 Rfd8 16.Qc1–/+; B2) 12.d3 b5 (12...Nb6 13.Bf6 Qf6 14.Bb5 Rfd8 15.0-0 Na5 16.d4=+; 12...Be6 13.0-0 Re8 14.Nbd2 a6 15.Bf6 Nf6 16.Be6=) 13.Bb3 Qa5 14.Kf1 Rad8 15.e4 Be4 16.de4–/+; B3) 12.Bf6 Nf6 13.0-0 a6 14.a4 Bd3 15.Bd3 Qd3 16.Rb2=; C) 11...Nb6 C1) 12.Bf6 Qf6 13.d3 Nc4 14.dc4 Bg4 15.h3 Rfd8 16.Nbd2–/+; C2) 12.Bb3 Bf5 (12...Bg4 13.Bf6 Qf6 14.h3 Bh5 15.Bc2 Ne5 16.Be4–/+; 12...Bb2 13.Rb2 Bg4 14.Bc2 Ne5 15.Rb5 Qe7 16.d3–/+) 13.Bf6 Qf6 14.d3 Rad8 15.Rd2 Rfe8 16.Bc2–/+; C3) 12.d3 Bg4 (12...Bb2 13.Rb2 Bg4 14.Nbd2 Ne5 15.Rb3 Qf6 16.Qe2–/+; 12...Bf5 13.Bf6 Qf6 14.Bb5 Rfd8 15.0-0 Na5 16.d4=+) 13.Bf6 Qf6 14.h3 Bh5 15.g4 Nc4 16.dc4–/+.

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bf6 11.Qc2 Nb6 A) 12.Be2 Be6 (12...Bb2 13.Qb2 c4 14.0-0 Bf5 15.a4 Na5 16.Nd4=; 12...Re8 13.Nc3 Be6 14.Bd3 h6 15.Bh7 Kh8 16.Be4=+) 13.Bf6 Qf6 14.Nc3 Bf5 15.d3 Rac8 16.0-0=+; B) 12.d3 Bb2 (12...Nc4 13.dc4 Bg4 14.Nbd2 Bf3 15.Nf3 Bb2 16.Qb2=+; 12...Bf5 13.Bf6 Qf6 14.Qc3 Qd6 15.Nbd2 Nc4 16.dc4=+) 13.Qb2 Bf5 14.Qc3 Nc4 15.dc4 Qe7 16.0-0–/+; C) 12.Bb5 Bd7 (12...Bb2 13.Qb2 Na5 14.Qc3 Nd5 15.Qc2 Bg4 16.Ne5=+; 12...Qd6 13.Nc3 Qe6 14.Rb1 c4 15.Ne4 Bb2 16.Neg5=) 13.Bf6 Qf6 14.Nc3 Bf5 15.d3 Rac8 16.0-0=+.

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bf6 11.Qc2 Be6 A) 12.Bd3 Bb2 (12...h6 13.Bf6 Qf6 14.Nc3 Rad8 15.0-0 Nc3 16.dc3=; 12...Kh8 13.Bf6 Nf6 14.0-0 Qd6 15.Nc3 Rfd8 16.Be4=) 13.Qb2 Nf6 14.Be2 Qe7 15.0-0 Rfd8 16.Nc3=+; B) 12.Bb5 Bb2 (12...Rc8 13.Bf6 Qf6 14.Nc3 Bf5 15.Qc1 Nb6 16.Qb2=+; 12...Qb6 13.Bf6 Nf6 14.Nc3 a6 15.Be2 Qc7 16.Ng5=) 13.Qb2 Qb6 14.Ng5 Ncb4 15.0-0 Qb5 16.ab4–/+; C) 12.Ra2 Re8 (12...Qe7 13.0-0 Rfe8 14.d3 a6 15.Nbd2 b5 16.Bb3=; 12...Rb8 13.0-0 b5 14.Bd3 Ncb4 15.ab4 Nb4 16.Bh7=) 13.0-0 Qe7 14.d3 a6 15.Nbd2 b5 16.Bb3=.

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bf6 11.Qc2 Bf5 12.Qf5 Bb2 13.Ra2 Nce7 14.Qd3 Bf6 15.e4 Nf4 16.Qd8+–.

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bf6 11.Qc2 Bg4 12.Bd5 (12.Nc3 Bf3 (12...Bc3 13.Bc3 Nc3 14.dc3 Bf3 15.gf3 Qf6 16.Bd3=+; 12...Nc3 13.dc3 Bf3 14.gf3 Ne5 15.Be2 c4 16.Rd1=+) 13.gf3 Bc3 14.Bc3 Nc3 15.dc3 Qf6 16.Bd3=+; 12.Ra2 Bf3 (12...Bb2 13.Rb2 Bf3 14.gf3 Rb8 15.Nc3 Nc3 16.Qc3=+; 12...Nb6 13.Bd3 Bf3 14.gf3 g6 15.Be4 Rc8 16.h4=+) 13.gf3 Re8 14.Qf5 Ne5 15.Be5 Re5 16.Qc2–/+) 12...Bb2 13.Bf7 (13.Qb2!? Qd5 14.Qb7=+ Rab8 15.Nc3 Qe6 16.Qa6=+) 13...Rf7–/+ 14.Qb2 Qd3 (14...Qe7 15.Qc3–/+ (15.Nc3 Rd8 16.Qa2–/+) 15...Rd8 16.0-0–/+; 14...Bf3 15.gf3 Qd5 16.Nc3–+) 15.Qc3 Qf5 16.Rf1 Bf3 17.gf3 Qf3 Black creates threats along the open c–file (better 17...Ne5!?–+) 18.Qc5=+ Re8 (18...Qf6 19.d4=+) 19.Nc3= Ne5 20.Qd5 Qf6 Black gets in control 21.f4 Ng4 22.Ke2 (22.Rc1!?=) 22...Ne3–/+ 23.de3 Qc3 24.Qd2 Qc4 25.Qd3 Rf4 26.Qc4 Rc4 27.h3 (27.Rad1 b5–/+) 27...b5 28.Rg1 Re5 29.Rg3 a5 30.Rd1 g5 31.Rg4 Rc3 32.Rd3 Rd3 33.Kd3 h5 34.Rd4 Kf7 35.Rd6 (35.Rd7!? Kf6 36.Rd6 Kf5 37.Rd8–/+) 35...g4–+ 36.hg4 hg4 37.Rd4 (37.Rd7 Kf6 38.Rd6 Kg5–+) 37...Rg5 38.Rf4 (38.Ke2 g3 39.Kf1 g2 40.Kg1 Ke6–+) 38...Ke6 39.Ke2 (39.Rf2 g3 40.Rg2 b4 41.ab4 ab4–+) 39...Kd5 (39...g3 40.Rf1–+) 40.Kf2 g3 41.Kg2 Kc5 (41...Kc5 42.Rf1 b4–+) 0–1. Gerold,G – Manzini,C, corr ICCF EU/M/Gr/744 (year?).

8.Nf3 c5 9.Bc4 Nc6 10.Bb2 Bf6 11.Nc3 A) 11...Nc3 A1) 12.Bc3 Bc3 (12...Bg4 13.Be2 Bc3 14.dc3 Qf6 15.Qc2 Rfd8 16.0-0=+; 12...Na5 13.Be2 Bc3 14.dc3 Qf6 15.Rc1 Be6 16.Qc2=+) 13.dc3 Qf6 14.Rc1 Rd8 15.Qb3 b6 16.Bb5=+; A2) 12.dc3 Bg4 (12...Bf5 13.0-0 Qe7 14.Qa4 Rfd8 15.Rfd1 Rab8 16.Bd5=; 12...Qe7 13.Bd3 Bg4 14.Qc2 h6 15.Bh7 Kh8 16.Be4=+) 13.Qc2 Bf3 14.gf3 Ne5 15.Be2 c4 16.Rd1=+; B) 11...Be6 B1) 12.Bd5 Bc3 (12...Bd5 13.Rb1 Bc4 14.Ne2 Rb8 15.Nf4 Bb2 16.Rb2=+) 13.Bc6 Bb2 14.Rb1 Qb6 15.Qc2 Qc6 16.Qb2=+; B2) 12.Na4 Bb2 (12...Nf4 13.Bf1 Bb2 14.Nb2 Qf6 15.Nd3 Bb3 16.Qc1=+; 12...b6 13.Rc1 Na5 14.d3 Bb2 15.Nb2 b5 16.Bd5=+) 13.Nb2 Qf6 14.Rb1 Rad8 15.Qc2 Bg4 16.Bd3=+; B3) 12.Be2 Re8 (12...Qd7 13.Qc2 Rae8 14.Nd5 Bb2 15.Nb6 ab6 16.Qb2=; 12...a6 13.0-0 b5 14.Qc2 Re8 15.Bd3 h6 16.Be4=+) 13.0-0 Nb6 14.d3 Bf5 15.Qd2 Qe7 16.Nb5=+; C) 11...Nb6 C1) 12.Bb5 Na5 (12...Bf5 13.Bc6 bc6 14.Rc1 Qd3 15.Ba1 Rab8 16.Ne2=+; 12...Ne5 13.Ne5 Be5 14.f4 Bf6 15.Qc2 Be6 16.Bd3=+) 13.Na4 Bb2 14.Nb2 c4 15.Qc2 Qd5 16.Ba4–/+; C2) 12.Bf1 Re8 (12...Bf5 13.Rc1 Rc8 14.Be2 Re8 15.Na4 Na4 16.Bf6=+; 12...Na5 13.d3 Bf5 14.Be2 Qd7 15.Rb1 Rfd8 16.Nb5=+) 13.Bb5 Bf5 14.0-0 Bd3 15.Bd3 Qd3 16.Ne1=+; C3) 12.Be2 Bf5 (12...Re8 13.Qc2 Bg4 14.0-0 Qd7 15.Na4 Nd4 16.Bd4=+; 12...Be6 13.d4 cd4 14.Ne4 Be7 15.Nd4 Bd5 16.f3=+) 13.d3 Re8 14.Rc1 Ne5 15.Ne5 Be5 16.Qd2=+.

8.Nf3 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Be6).

8.Nf3 Nd7 9.Be2 Qe7 10.0-0 Rad8 11.Qc2 c6 12.d4 Bd6 13.Nbd2 N7b6 14.a3 f5 15.Rfe1 Rc8 16.Rac1 Rcd8 17.Bd3 Rf6 1–0. Korchut,Adam (2090) – Baroin,Bernard (2065), IECG, 2006.

8.Nf3 (--> 7.Nf3 Re8 8.Bb2).

8.Nf3 Nf4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8 8.Bb2 Nf4).

8.Bb2 Be6 9.Qc2 Be7 10.a3 Bf6 11.d4 Re8 12.Be2 Bd4 13.Bd4= Nd4 14.ed4 Nf4 15.Kf1? Qg5–+ 16.Bf3 Bf5 17.Nh3 Bc2 18.Ng5 Bd3 19.Be2 Re2 (19...Re2 20.h4 Ra2 21.Kg1 Ra1–+) 0–1. Nowitzki,MP – Gasiorowski,Ryszard, corr ICCF W–ch M, 1974.

8.Bb2 Re8 9.a3 (9.Nf3 Be6 A) 10.Qd3 Bd6 (10...Qe7 11.a3 Ba5 12.Nc3 Rad8 13.Qc2 g6 14.Bb5 Qc5 15.Bc6 Bf5; 10...Ba5 11.a3 Qe7 12.Nc3 Bc3 13.Bc3 Rad8 14.Bb2 Bg4 15.Qc2 Bf3) 11.a3 Qd7 12.Ng5 g6 13.Nc3 Nf4 14.Qb1 Bf5 15.Nce4 Be7; B) 10.a3 Ba5 11.Qc2 Nf4 12.Nc3 g6 13.Qe4 Nd5 14.Bc4 Nc3 15.Bc3 Bc3) 9...Ba5 10.Bc4 (10.Nf3 Be6 11.Bc4 a6 12.Qc2 h6 13.0-0 Qd7 14.d4 Bf5 15.Qb3 Be4; 10.Be2 Be6 (10...a6 11.Nf3 Be6 12.Qc2 Bg4 13.0-0 Nf4 14.ef4 Re2 15.Ng5 g6) 11.Qc2 Qd7 12.Nf3 Bf5 13.Qb3 Rad8 14.0-0 Qe6 15.d4 Bb6) 10...Be6 11.Nf3 (11.Qb7 Ne3 12.Be6 Ng2 13.Kf1 Re6 14.Kg2 Rg6 15.Kf1 Qd3 16.Ke1 Re8 17.Kd1 Qe4–+) 11...Bb6 (11...Rb8 12.Qc2 g6 13.0-0 Qd7 14.Ng5 b5 15.Bb3 Rb6) 12.Qc2 Qe7 (12...Qd7 13.0-0 Rad8 14.d3 f6 15.Rd1 Qf7) 13.0-0 Rad8 (13...h6 14.d4 Nf6 15.Bd3 Rad8) 14.d4 Nf6 (14...Bg4 15.Nc3 Bf3) 15.Bd3 Na5 (15...g6=) 16.Nbd2 Bd5 17.Rfe1 Ne4 18.Rad1 c6 19.Be4 Be4 20.Ne4 Qe4 21.Qe4 Re4 22.Nd2 Ree8 23.g3 f5 24.Bc3 Kf7 25.Kg2 Bc7 26.Rb1 b5 27.f3 Bb6 28.h4 Nb7 29.Nb3 Nd6 30.Nd2 Nc8 31.Nb3 Nd6 32.Nd2 Nb7 33.Nb3 a5 34.Rbd1 a4 35.Nc1 Ba5 36.Bb4 Bb4+= 37.ab4 Rd7 38.Nd3 Ke6 39.Ne5 Rc7 40.e4 fe4 41.fe4 Nd6 42.Nc6+/– Nc4 43.d5 Kd6 44.Nd4 Rb7 45.Nf5 Ke5 46.d6 Rd8?? 47.Rd5+– Kf6 48.Nd4 Rd6 49.Rd6 Nd6 50.e5 Ke7 51.ed6 Kd6 52.Rc1 Kd5 53.Nf3 a3+/– 54.Kf2 a2 55.Ra1 Ra7 56.Nd2 Kd4 57.Ke2?? Kc3–+ 58.Ne4 Kb2 59.Rd1 a1Q 60.Rd2?? Kb3 61.Rd3 Kb4 0–1. Wiszniowski,Eugeniusz (1770) – Boguszewski,Pawel, I Zimowe granie w Hetmanie_A Poland, 2010.

8.Nd5 Qd5 9.Bc7 =.

8.Nf3?? Ne5–+ 9.Ne5 Nc3 10.Qc2 (10.Qb3 Nd5–+) 10...Nd5 11.Bd3 Qf6 12.Bh7 Kh8 13.Qe4 c6 14.0-0 (14.Rd1 Bd6 15.Nc4 Bc7–+) 14...Bd2 15.Rad1 (15.Bg6 Bc3 16.Nf7 Rf7 17.Bf7 Bf5–+) 15...Nc3 16.Ng4 (16.Nf7 Rf7 17.Qe8 Kh7 18.Rd2 b5–+) 16...Qh4 17.Qc2 Nd1 18.Rd1 (18.Qd2 Kh7 19.Ne5 Qf6–+) 18...Bg4 19.Rd2 Qh7 20.Qb3 (20.e4 Rad8 21.f3 Be6–+) 20...Rad8 (20...Rad8 21.Rd4 Qg6–+) 0–1. pvhameren (2325) – pierred, net–chess.com, 2016.

8.Bg3 Nc3 9.dc3 Bc3 10.Ke2 Ba1 11.Qa1 b6 12.Nf3 Qd5 13.Nd4 (13.Bc7 Nb4 14.Qb1 Ba6 (worse is 14...Na2 15.Be5–+; 14...Qa2?! 15.Qa2 Na2 16.Nd4–+) 15.Ke1 Bf1 16.Rf1 Qc4–+) 13...Ba6 (13...Ba6 14.Kd1 Nd4 15.ed4 Bf1 16.Rf1 Qg2–+) 0–1. mic (2260) – pierred, net–chess.com, 2016.

8.Bb2? Na5 (8...Ne3 9.fe3 Qh4 10.Kf1 Qc4 11.Qe2–+) 9.Qc2? (9.Bd5!? Qd5 10.Qf3=+) 9...Nc4 (9...Ne3!? 10.fe3 Qh4 11.g3 Qc4 12.Qc4 Nc4–+) 10.Qc4–/+ Be6 11.Qd4 Qf6 (better 11...f6!?–/+) 12.Qf6= Nf6 13.Bf6 gf6 14.Ne2 Rad8 15.Nbc3 Bc4 16.a3 Ba5 17.Rc1 (17.Nf4 Rfe8=) 17...f5 18.f3 (18.Nf4 Rfe8=) 18...c5 19.Rg1 Be6 (19...Rd7 20.g4=) 20.Nf4 Rd6? (better 20...Rfe8!?=) 21.g4+– (21.Ne6?! fe6 22.g4 f4=) 21...fg4 22.Ne6 (better 22.Ne4!? Ra6 23.Ne6 fe6 24.Rg4 Kh8 25.Ke2+– (25.Nc5?! Rc6+=)) 22...Re6 (22...fe6 23.Rg4 (worse 23.fg4 Rfd8 24.Rg2 Rd3–/+) 23...Kh8 24.Ke2+=) 23.Rg4 Rg6 (23...Kh8 24.Nd5 b6 25.e4=) 24.Ne4 (better 24.Nd5!? Rg4 25.fg4+–) 24...b6= 25.Nd6 (25.Ke2=) 25...Rd8?? (better 25...Bd2 26.Kd2 Rd8–/+) 26.Nc4+– Rd5 27.Ke2 Rh5 28.Rh1 f5 29.Rg6 hg6 30.Kf2 (30.f4 Kg7+–) 30...Kf7+= 31.Kg3 Rg5 32.Kf2 (32.Kh3 Rh5 33.Kg2 Ke6+=) 32...Ke6 (better 32...Rh5!?=) 33.Na5 ba5 34.Rb1 (34.Rg1!? Rg1 35.Kg1+–) 34...Rh5+= 35.Kg3 Rg5 36.Kf2 (36.Kh3 Rh5 37.Kg2 c4+=) 36...Rh5 37.Kg2 Rg5 (37...c4 38.Rc1 Kd5 39.Rc3=) 38.Kh1+– Kd5 39.Rb5 Kc6 (39...a4 40.d4 Kc4 41.Rc5 Kb3 42.d5+–) 40.f4 (40.Ra5 Kb6 41.Ra4 Rh5+–) 40...Kb5 (40...Rg1! 41.Kg1 Kb5+–) 41.fg5+– Kc4 42.h4 Kd5 43.d3 (better 43.Kg2!? Ke6 44.Kg3+–) 43...Ke5 44.Kg2 a4?? (44...Ke6!?+–) 45.Kf3 (better 45.Kg3+–) 45...a6?? (better 45...Ke6+–) 46.d4 (46.d4 cd4 47.ed4 Ke6 48.Ke3+–) 1–0. Roczniak,Jan – Cielecki,R, corr Arlamowski mem3 Poland, 1981.

8.Bc3 A) 8...Be6 9.Bd3 (9.Bd5 Qd5 10.Nf3 Rfe8 11.0-0 Bd6 12.d3 Bg4–/+; 9.Bb5 Qd6–/+ 10.Nf3 Rfd8 11.0-0 Nc3 12.Nc3 Ne5=+) 9...Bd6 10.Qc2 g6 11.a3 a6 12.Nf3 Qd7=+; B) 8...Re8 9.Nf3 (9.a3 Nc3 10.Nc3 Bc3 11.dc3 Qh4 12.Be2 Qf6–/+; 9.Qh5 Be6 10.Bd5 Bd5 11.Nf3 Qd7 12.0-0 g6–/+) 9...Bg4 10.a3 Nc3 11.dc3 Bd6 12.Bd5 Qf6=+; C) 8...Nc3 9.Nc3 (9.dc3 Bd6 10.Nf3 Qf6 11.Nd4 Nd4 12.cd4 c5–/+) 9...Ne5 10.Qb3 a5 11.a3 Bd6 12.Be2 a4=+.

8.fe3 Qh4 9.Kf1 Qc4 10.Qe2 Qc1 11.Qe1 Qc2 12.a3 Ba5–+.

8.fe3 Qh4 9.g3 Qc4 10.Nf3 Re8 11.Bc3 Nc6 12.Qe2 Qd5–+.

8.fe3 Qh4 9.Bg3 Qc4 10.Qb3 Qc1 11.Kf2 Bd2 12.Nd2 Qa1 13.Qb1 Qb1 14.Nb1 Be6 0–1. hal1958 – flipper, playchess.de, 2002.

8.fe3 Qh4 9.Bg3 Qc4 10.Nf3–+ Re8 11.Kf2 Qc6 12.a3 Ba5–+.

8.Bf7?? Rf7 9.fe3 Qh4 10.Bg3 Qf6 11.Nf3 Qa1 12.Qb3 Nc6 (12...Nc6 13.Ng5 Qf6 14.Qf7 Qf7 15.Nf7 Kf7 16.Rf1 Ke8 17.Bc7 Be6–+; 12...Bf5 13.0-0 c5 14.Ne5 Qe5 15.Be5+–) 0–1. Paavilainen,T – Ganesan,A, corr, 1990.

8.Bb2 Ne3!–+ 9.Qb3?? Nc4 10.Ne2 Bd2 11.Kf1 Nb2 12.Qb2 Bg5 13.Nbc3 Bf6 (13...Bf6 14.Qc2 Be5–+) 0–1. Drefke,A – Rosner,Dirk, corr SOK–89–31, 1989.

8.Bd5? Qd5.

8.Nf3 Bg4! (--> 7.Nf3 Re8 8.Bc4 Bg4).

8.Bb2 c5 9.Nf3 Nc6 10.0-0 Bf5 11.a3 Bf6 (11...Bf6 12.Nc3 a6=+). Boehnke,Hartmut – Franke,Claus_Peter, corr ICCF WT/M/GT/272, 1990.

8.Nc3 Nc6 9.Nd5 Qd5 10.Bb2 (10.Bg3 A) 10...Qg2? 11.Bf3 Bh3 12.Ke2+– (12.Bg2 Bg2 13.Nh3 Bh1+–); B) 10...Bf6 11.Rb1 B1) 11...Qg2? 12.Bf3 Bh3 13.Bg2 Bg2 14.f3+– (14.Bc7 Bh1 15.f3 Rac8 16.Rb7 Rfe8+–; 14.Rb7 Bh1 15.f3 h5+–); B2) 11...Qa2 12.Bc7 a5–/+) 10…Qg2–/+ (10...Qg2 11.Bf3 Qg5–/+) 0–1. GuestWHFN – GuestZSTY, freechess.org, 2017.

8.a3 Re5–+ 9.ab4 Nb4 10.Nf3–/+ Re8 11.d4 N8c6 12.0-0 Bf5 13.Nc3 a5 14.d5 Ne5 15.e4 Bg4 16.Ne5= Be2 17.Nf7 Bd1 18.Nd8 Rad8 19.Rfd1 b6 20.f3 c6 21.dc6 Nc6 22.Kf2 Kf7 23.f4 Rd1 24.Rd1 Rd8 25.Rd5 Rd5 26.ed5 Nb4 27.Ke3 a4 28.Na4 Nd5 29.Ke4 Ke6 30.g3 (30.f5 Kd6=) ½–½. van der Braak,Jelle – Fallon,P, corr NLD–BEL, 1994.

8.Bb2 Nc6 9.Nf3 Qe7 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Qe7).

8.Bb2 Bf5 9.Nf3 Nd7 10.0-0 c6 11.Nc3 Nc3 12.dc3 Bf8 13.c4 Nc5 14.Nd4 Be4 15.Bf3 Qg5 16.Be4 Ne4 17.Qc2 Bd6 18.Rad1 Rad8 19.Nf3 Qe7 20.Rd4 b6 21.Rfd1 a6 22.R4d3 f6 23.Nd4 Qd7 24.Nb3 Qc7 25.g3 Ng5 26.h4 Ne6 27.Kg2 b5 28.h5 Ng5 29.cb5 ab5 30.f4 Ne4 31.Ba3 c5 32.Nc5= Kh8 33.Rd4 Qc6 34.Kh2 Ng3 35.Qg2 Qg2 36.Kg2 Nf5 37.Nb7 Ne3 38.Kf3 Nd1 39.Rd1 Ba3 40.Nd8 ½–½. Hess,Helmut (2355) – Belmar Juaranz,Carlos (2150), WS/M/032 ICCF, 2005.

8.Bb2 Bg4 9.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

8.Bc3 Nc6+= 9.Bc4 Nb6 10.Bb3 Bg4 11.0-0 Ne5 12.Be5 Be5 13.Nc3 Bc3 14.dc3 Qd1 15.Rad1 Bf3 16.gf3 Rfd8 17.Kg2 Kf8 18.Rd4 c5 19.Rg4 Rd2 20.Rg1 g6 21.Rf4 Rd7 22.h4 Rad8 23.Rh1 Nd5 24.Bd5 Rd5 25.Ra4 a6 26.c4 Rd2 27.Kg3 Rb2 28.a3 Rdd2 29.Rh2 Rd3 30.f4 Ra2 Exerts pressure on the isolated pawn 31.Kf3? (better is 31.Ra5+=) 31...Raa3–+ 32.Ra3 Ra3 33.Ke4 Ke7 (33...b5 34.Kd5 Rc3 35.Kc5 Rc4 36.Kb6–+) 34.Kd5 Ra5 35.h5–/+ b6 36.hg6 hg6 37.f3 Ra3–/+ 38.Re2 Rd3–+ 39.Kc6 Rd6 40.Kb7 b5 41.cb5 ab5 42.Rc2 c4 43.e4 Rd3 44.Rf2? b4 45.Kc6 c3 46.Kc5 Rd2 47.Rf1 c2 48.Rc1 b3 49.Kc4 b2 50.Rc2 Rc2 51.Kb3 b1Q 0–1. elektrooon – akaligo (1795), internet, 2013.

8.Bd6 Qd6 9.Bc4 c5 10.Bd5 Qd5 11.Nc3 Qd3 12.Qe2 Bf5 13.Nh4 Qe2 14.Ne2 Bd3 15.Nf4 Ba6 16.Nf3 Nc6 17.d3 Rad8 18.Rd1 Nb4 19.Rd2 Nd3 20.Nd3 Rd3 21.Ne5 Rd2 22.Kd2 Rd8 23.Kc3 f6 24.Nf3 b6 25.a4 Kf7 26.Re1 Rd3 27.Kc2 Ra3 28.Rd1 Ra4 29.Rd7 Kg6 30.Kb3 Ra1 31.Kb2 Rf1 32.Ra7 Rf2 33.Kc3 Bf1 34.Nh4 Kh6 35.g3 b5 36.Rc7 b4 37.Kb3 g5 38.Nf5 Rf5 0–1. elektrooon – akaligo (1710), internet, 2013.

8.Bd6 Qd6 9.d4 Bf5 =.

8.Bb2 Nc5 9.a3 Ba5 10.Qc2 Qe7 11.Bc4 Nb6 12.Be2 Nca4 13.Bc3 Nc3 14.Nc3 g6 15.Ne4 Re8 16.Qc5 Qc5 17.Nc5 Nd7 18.Nb3 Bb6 19.d4 Nf6 20.0-0 Be6 21.Nfd2 c6 22.Rfc1 Kg7 23.a4 Bd5 24.Bc4 Bc4 25.Nc4 Bc7 26.a5 Nd5 27.Ncd2 Rac8 28.g3 Bd6 ½–½. Degterev,Pavel (2275) – Wolczek,Stanislaus (2170), SH–2007–0-00158, 2007.

8.Bb2 Nc5 9.Be2 Bf5 10.0-0 Nd3 11.Bd3 Bd3=+ 12.Re1 Be7 13.a3 c5 14.Ne5 c4 15.Nd3 cd3 16.Qb3 Bf6 17.Nc3 Nc3 18.Bc3 Bc3 19.dc3 Qd7 20.Red1 Rac8 21.Rd2 Rc6 22.Qb5 Rd8 23.c4 Qe6 24.Rc1 b6 25.Rc3 Qe4 26.Qg5 f6 27.Qb5 Kh8 28.Qa4 h6 29.h3 Rc5 30.Qa7 Rg5 31.g4 Rg4 ½–½. Kasper,P – Schwind,H, corr DDR, 1989.

8.Bb2 Nc5 9.Be2 Bf5 10.a3 Ba5 11.0-0 Bd3 12.Ne5 (12.Bd3 Nd3 13.Qc2 Nb2 14.Qb2 Rb8 15.Nc3 Bc3 16.dc3 Qf6 17.Rac1; 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qd5 15.Nd4 Bg6 16.f3 Rad8 17.e4; 12.Bc3 Nc3 13.Nc3 Re8 14.Nd4 Be2 15.Nde2 Bc3 16.dc3 Qe7 17.Rb1) 12...Be2 13.Qe2 Na4 (13...c6 14.Nc3 f6 15.Qc4 Qd6 16.d4 Bc3 17.Bc3) 14.Qb5 Nb2 15.Qa5 (15.Qb2 Rb8 16.Nc3 Bc3 17.dc3) 15...Qd6 (15...c6 16.Qd8 Rad8 17.d4) 16.d4 (16.Nc3 c6 17.Nd5) 16...f6 17.Nf3 Nc4 18.Qb5 Ndb6 19.Rc1 Qe6 20.d5 c6?? (better is 20...Qg4+=) 21.Qc4 (21.de6?! cb5 22.Nd4 a6+=) 21...cd5 22.Qd3 1–0. Lipskij,V (2110) – Thomson,Neil (1930), Vilnius LTU, Open, 2011.

8.Bb2 N7f6 9.Bc4 Nb6 10.Bb3 Bg4 11.0-0 c6 12.d4 Rc8 13.Nbd2 c5 14.dc5 Bc5 15.Qb1 Qe7 16.Ng5 Nbd7 17.Nde4 h6?? 18.Nf6+– (18.Nf6 Nf6 19.Bf6 hg5 20.Be7 Be7 21.Qe4+–) 1–0. Dror,Aaron – Wright,Barry, IECC, 1998.

8.Bb2 Nd7 9.Be2 c5 (9...c6 10.0-0=+) 10.0-0= Re8 11.Nc3 Nc3 12.dc3 Ba5 13.c4 Qb6 (13...Qe7 14.h3 Bf5 15.Bd3 Bd3 16.Qd3=) 14.Qc2 Qh6 15.h3 Be6 16.Rab1 Bc7 17.Rfd1 Bh3 (better is 17...Rad8!?=) 18.gh3+/– Qh3 19.Rd5 Re6 20.Rg5 (better is 20.Bf1!? Qf3 21.Bg2+/– (21.Rd7?? Bh2 22.Kh2 Rh6 23.Bh3 Rh3 24.Kg1 Qh1)) 20...Rh6= 21.Rg7 Kf8 22.Rf7 Kg8 23.Rg7 Kf8 ½–½. van Daatselaar,JB – Bock,Michael, EM/H/067 ICCF Email, 2001.

8.Be2 c5 9.0-0 Nc6 10.a3 Ba5 11.Qa4 Bc7 12.Bc7 Qc7 13.Qg4 Rfe8 14.a4 Rad8 15.Na3 b6 16.Nb5 Qe7 17.Rad1 a6 18.Na3 Nf6 19.Qg3 Ne4 20.Qh3 Nb4 21.d3 Nc3 22.Rd2 Ne2 23.Re2 Rd3 24.Nc4 b5 25.Nce5 Rd5 26.Ng4 h5 27.Nh6 gh6 28.e4 c4 29.Re3 Rd3 30.Qg3 Kh7 31.Nh4 Re3 32.fe3 Rg8 33.Qf4 f6 34.Nf5 Qf8 35.Qc7 Rg7 36.Ng7 Qg7 37.Qf4 Nd3 38.Qf5 Kg8 39.ab5 ab5 40.e5 Ne5 41.Qe6 Qf7 42.Qc8 Kg7 43.Qc5 Qe8 44.e4 Nd3 45.Qc7 Qf7 46.Qg3 Kf8 47.Qe3 Qd7 48.e5 Qe7 49.Qa7 Kg7 50.Qe7 Kg6 51.Qf6 Kh7 52.Qf7 Kh8 53.Qf8 Kh7 54.Rf7 Kg6 55.Qg7 1-0. James_Flynn (2185) - broskall2 (2040), Rated Bullet tournament, lichess.org.

8.Be2 Qe7 9.Bb2 Bd6 10.Qb3 Nb6 11.0-0 Nc6 12.d4 Na5 (12...Be6 13.Qc3 Nd5 14.Qc1=+) 13.Qc2= Nd5 14.Nbd2 Nb4 15.Qc3 Rac8?? (better 15...b6=) 16.a3+- Nd5 (16...Rfd8 17.h3 Bf5 18.Rfd1+-) 17.Qa5 b6 (17...c6+-) 18.Qd5 c5 19.Rfc1 Be6 20.Qe4 f5 21.Qd3 c4 (21...Rfd8 22.Rc2+-) 22.Nc4 Bb8 23.Ncd2 1-0. fishissushi (1815) - Greatest3 (1895), Rated Bullet game, lichess.org, 2020.

8.h3 Be6=+.

8.Qb3 Re8?? 9.Qe3+/– Nc6 10.Bc4?? Ne5–+ 11.fe5 Qh4 12.g3 Qc4 13.Ne2 Bg4 14.Nbc3 Bc5 15.d4 Bd4?? 16.0-0?? c5 17.Rfc1 Bc3 18.Nc3 Qd4 19.Qd4 cd4 20.Nb5 d3 21.Nc7 d2 22.Rd1?? Bd1 23.Rd1 Re5 24.Rd2 Rc8 25.Nd5 Kf8 26.Nf4 Rec5 27.Kf2 Rc2 28.Ke2 Rd2 29.Kd2 b5 30.Nh5 a5 (30...a5 31.Nf4 b4–+; better is 30...Rc4!? 31.Nf4 Ra4 32.Kc3 Ra2 33.Kb4–+) 0–1. Gnirk,Hajo – Jobin,Gilles, corr ICCF, 1982.

8.Qb3 Nf1 9.Qb4 =.

8.Bb2 Nc6 9.a3 Ba5 10.Be2 (--> 8.a3 Ba5 9.Be2 Nc6 10.Bb2).

8.Qc2 b6 A) 9.a3 Ba5 10.Nc3 (10.Bd3 h6 11.0-0 Bg4 12.Be2 Nd7 13.Bb2 Re8=; 10.Bb5 Be6 11.Nc3 Nd7 12.Bd6 Nc3 13.dc3 Qf6=) 10...Nc6 11.Bd3 Ne5 12.Ne5 Qg5 13.Bh7 Kh8 14.f4=; B) 9.Nc3 B1) 9...Nf6 10.a3 (10.Ng5 g6 11.a3 Ba5 12.Bc4 Nc6 13.Bf6 Qf6=; 10.Bd3 Ba6 11.Ba6 Na6 12.Ng5 g6 13.Nce4 Ne4+=) 10...Ba5 11.Bd3 Ba6 12.Ba6 Na6 13.Ng5 g6+=; B2) 9...Bb7 10.Bd3 (10.Bc4 Bc3 11.dc3 Ne3 12.fe3 Bf3 13.0-0 Bd5=; 10.a3 Bc3 11.dc3 Nc6 12.Bg3 Qf6 13.Rc1 Qe6=) 10...h6 11.Bh7 Kh8 12.Be4 f6 13.Nd5 Bd5=; B3) 9...Nc6 10.Nd5 (10.Bc4 Be6 11.Bd5 Bd5 12.Nd5 Qd5 13.Bf4 Rfe8=+; 10.Bd3 Ne5 11.Ne5 g6 12.0-0 Bc3 13.dc3 Qf6=+) 10...Ne5 11.Nb4 Nf3 12.gf3 cb4 13.Bd3 Kh8=; C) 9.Bd3 C1) 9...h5 10.a3 (10.Bh7 Kh8 11.a3 Ba5 12.Be4 f5 13.Bd5 Qd5=; 10.e4 Nd7 11.Bb2 Nf4 12.0-0 Nf6 13.Bb5 Bg4=) 10...Nc6 11.Bh7 Kh8 12.Be4 Ba5 13.Nc3 Ne5+=; C2) 9...f5 10.Nc3 (10.a3 Ba5 11.Nc3 Be6 12.Nd5 Qd5 13.Rc1 Nc6=; 10.e4 fe4 11.Be4 h6 12.a3 Ba5 13.0-0 Nc6+=) 10...Be6 11.e4 Nc3 12.dc3 Nc6 13.ef5 Bd5+–; C3) 9...h6 10.a3 (10.Bh7 Kh8 11.a3 Nc6 12.Be4 Ba5 13.Nc3 Be6=; 10.Be4 Nc6 11.a3 Ba5 12.Nc3 Ne5 13.Ne5 Bb7=) 10...Nc6 11.Bh7 Kh8 12.Be4 Ba5 13.Nc3 Be6=.

8.Qc2 Nd7 A) 9.a3 A1) 9...Ne5 10.Ne5 Qf6 11.f4 Ne3 12.Qe4 Nf1 13.ab4 Bf5+=; A2) 9...Qe7 10.Bg3 (10.ab4 Ne5 11.bc5 Nf3 12.gf3 Qf6 13.Nc3 Bf5=; 10.Bg7 Kg7 11.ab4 Nb4 12.Qc3 Nf6 13.Bc4 Bd7=) 10...Ba5 11.Bd3 N7f6 12.0-0 Re8 13.Rc1 Bb6=; A3) 9...Ba5 10.Bg3 (10.Bb2 Qe7 11.Nc3 Nc3 12.dc3 Nf6 13.Rd1 a6=; 10.Bd3 Ne5 11.Ne5 Qf6 12.Bh7 Kh8 13.Nc4 g6–+) 10...Re8 11.Bd3 h6 12.0-0 Qf6 13.Ra2 b6=; B) 9.Bc3 B1) 9...Re8 10.Bc4 (10.a3 Bc3 11.Nc3 Ne5 12.Ne5 Re5 13.Bd3 Nf6=; 10.Bd3 N7f6 11.0-0 Bg4 12.Ng5 h6 13.Ne4 Bc3=+) 10...N7b6 11.Bd3 g6 12.0-0 Bg4 13.Be2 c4=; B2) 9...N7f6 10.a3 (10.Bb2 Qe7 11.a3 Ba5 12.Be2 Bg4 13.0-0 Rfd8=; 10.Be2 Be6 11.a3 Bc3 12.Nc3 a6 13.0-0 Rc8=+) 10...Ba5 11.Bb2 Qe7 12.Be2 a6 13.0-0 Rd8=; B3) 9...b6 10.Bd3 (10.Bc4 Bb7 11.Bb2 a6 12.a3 Ba5 13.0-0 b5=+; 10.Bb5 N7f6 11.Bc6 Bc3 12.dc3 Rb8 13.0-0 Qd6=) 10...N7f6 11.a3 Bc3 12.dc3 Qe7 13.0-0 Bg4=; C) 9.Bb2= C1) 9...Re8 10.Bc4 (10.a3 Ba5 11.Bc4 N5b6 12.Bb5 a6 13.Bd3 Nf8=; 10.Bd3 N5f6 11.Nc3 b6 12.Ne4 Qe7 13.Nf6 Nf6=) 10...N7b6 11.a3 Nc4 12.Qc4 Ba5 13.Qc5 Bb6=; C2) 9...Qe7 10.Bd3 (10.a3 Ba5 11.Nc3 Nc3 12.dc3 Nf6 13.Rd1 a6=; 10.Be2 Rd8 11.Nc3 Nc3 12.dc3 Ba5 13.0-0 Nf6=) 10...N7f6 11.a3 Ba5 12.0-0 Rd8 13.Rc1 b6=; C3) 9...N5f6 10.Be2 (10.a3 Ba5 11.Bd3 b6 12.e4 Re8 13.0-0 Qc7=; 10.Bd3 b6 11.e4 Re8 12.0-0 Qc7 13.a3 Ba5=) 10...b6 11.0-0 Bb7 12.a3 Ba5 13.Nc3 Re8=.

8.Qc2 Re8 9.a3+= Nc6 (9...Ba5 10.Bd3 (10.Qc5 Nc6 11.Bb2 Be6 12.Be2 a6 13.0-0 Rc8=; 10.Bb8 Rb8 11.Bd3 h6 12.Qc5 Nf4 13.Bf1 Be6=+) 10...Nf6 11.Bf6 Qf6 12.Ra2 Be6 13.Rb2 h6=; 9...Nd7 10.ab4 (10.Bg7 Kg7 11.ab4 Nb4 12.Qb2 Qf6 13.Nc3 Ne5=; 10.Bb2 Ba5 11.Bc4 N5b6 12.Bb5 Qe7 13.0-0 a6=) 10...Ne5 11.Ne5 Re5 12.bc5 Nf4 13.Qb2 Qd5=) 10.ab4 (10.Bb2 Ba5 11.Qc5 Be6 12.Be2 a6 13.0-0 Rc8=; 10.Bg7 Kg7 11.ab4 Qf6 12.Ra4 cb4 13.Bb5 Bg4=+) 10...Ne5 11.Ne5 (worse 11.Qc5 Nf3 12.gf3 Qf6=+ 13.Nc3 Be6=+) 11...Re5 12.bc5 The passed pawn on d2 will quickly become a dangerous weapon 12...Qf6 (12...Nf4 13.Qb2 Qd5=) 13.Ra3 Bf5 14.Qb3 Nf4 15.Nc3 Qc6 16.Rg1 Nd3 (worse 16...Qc5 17.Ra4 Nd3 18.Bd3 Bd3 19.Qb7+=) 17.Bd3 Bd3 18.Na4 (18.Na2!? Be4 19.d4+=) 18...Rd8= 19.Qc3 Red5 20.Qb4 b6 21.Rc3?? (better 21.Nc3 Rc5 22.Ra7=) 21...Bb5–+ 22.d4 Ba4 23.cb6 Rb5 (23...Qe8 24.Kd2 ab6 25.Ra1–+) 24.Rc6 Rb4 25.Rc1 Rb6 26.f3 (26.Ke2 Bc6 27.f3 a5–+) 26...Rb2 27.h3 f5 28.Rc4 (28.Rf1 Rg2 29.Rf2 Rg3–+) 28...Rdb8 (better 28...Bb5 29.Rc5 f4 30.Rb5 Rb5 31.Ke2–+) 29.Rc1 (29.Ra4 Rb1 30.Kf2 R8b2 31.Kg3 Rg1 32.Kf4–+) 0–1. Kilpatrick,Robert – Beveridge,Nigel, corr SCCA, 1980.

8.Qc2 Re8 9.Bb2 A) 9...Qd6 10.Bc4 (10.a3 Ba5 11.Ng5 f5 12.Bc4 h6 13.Nc3 Bc3+=; 10.Bd3 g6 11.0-0 Bg4 12.Ng5 Qe7 13.f4 Nb6=) 10...Rd8 11.Ng5 Qh6 12.h4 Be6 13.a3 Ba5+–; B) 9...Nd7 10.a3 (10.Bd3 N5f6 11.Nc3 b6 12.Ne4 Qe7 13.Nf6 Nf6=; 10.Bc4 N5b6 11.Bd3 Nf8 12.a3 Ba5 13.Qc5 Qd3=) 10...Ba5 11.Bc4 N5b6 12.Bb5 Qe7 13.0-0 a6=; C) 9...Qe7 10.Bb5 (10.a3 Ba5 11.Bd3 h6 12.0-0 Be6 13.Bh7 Kh8=; 10.Bd3 h6 11.a3 Ba5 12.0-0 Be6 13.Rc1 Nd7=) 10...Bd7 11.Bd3 h6 12.0-0 Nc6 13.Rc1 b6=.

8.Qc2 Re8 9.Bb5 A) 9...Bd7 10.Bc4 (10.Bd3 Bg4 11.Bh7 Kh8 12.Bb8 Bf3 13.gf3 Qf6=+; 10.Bd7 Nd7 11.Bb2 Rc8 12.a3 Ba5 13.0-0 N7f6=+) 10...Bg4 11.Bb2 b6 12.Ne5 Be6 13.a3 Ba5=; B) 9...Nc6 10.Bb2 (10.a3 Ne5 11.Be8 Qe8 12.Qe4 Nf3 13.gf3 Be6–/+; 10.Bc6 bc6 11.a3 Bg4 12.Bg3 Bf3 13.gf3 Qf6–+) 10...Qd6 11.a3 Ba5 12.0-0 a6 13.Bc6 Qc6=; C) 9...Nd7 10.Bb2 (10.a3 Ne5 11.Be8 Qe8 12.Qe4 Nf3 13.gf3 Be6–/+; 10.Bd7 Bd7 11.a3 Bg4 12.Qb2 Bf3 13.gf3 Qe7=+) 10...N5f6 11.0-0 a6 12.Bd7 Nd7 13.d4 b6=.

8.Bc4 Be6 9.Bd5 Bd5 10.0-0 Nc6 11.Bc3 Qd7 12.Bb4 Nb4 13.Nc3 Bf3 14.gf3 (14.Qf3!? Rfe8 15.d4 cd4 16.ed4 Qd4 17.Rad1-/+) 14...Nd3 15.Ne4 (15.Qa4!? Qa4 16.Na4-/+) 15...Rad8 16.Qb3 b6 17.Rfd1?? (better 17.Kg2-+) 17...Qf5 (better 17...Qh3!? 18.Rdc1-+) 18.f4 (18.Ng3 Qf3 19.Rf1-+) 18…Qe4 (18...Qe4 19.Rf1 c4-+) 0-1. cricketmad5wk (1750) - zrenjanin (1925), gameknot.com, 2010.

9.Qc2 Nc6 10.Bb2 Qe7 11.Bc4 Nb6 (11...Rd8 12.Bb5=+) 12.Bb5= Bg4 (12...Bd7!?=) 13.Bc6+= bc6 14.Ne5 Qg5 (14...Bd7 15.Nd7 Nd7 16.0-0+=) 15.0-0 (15.Nc6!? c4 16.h4+/-) 15...Bh3= 16.Qe4 Na4 17.Nc6 Rae8 (17...Nb2 18.f4 Qg2 19.Qg2 Bg2 20.Kg2+=) 18.Qf3 Bg4 19.Qg3 Nb2 (19...Bc7 20.Qc7 Bf3 21.Qg3 Qg3 22.hg3 Bc6 23.Bc3=) 20.Na5 c4 21.h3 (21.Ra2 Qa5 22.Rb2 Be2+=) 21...Qa5= 22.Qg4 f5 23.Qg5 (23.Qd4 Rb8=) 23...h6 (23...Qe5 24.a4=) 24.Qg3 (24.Qf4 Qd5=) 24...f4 25.ef4 Nd3 26.Nc3 Nf4 27.Kh2 Nh5 (27...Re5!? 28.Rg1 Qc7=+) 28.Qd6 Kh8 (28...Nf4 29.Rab1=) 29.Rae1 Rd8 (29...Nf6 30.Re8 Re8 31.Rb1+=) 30.Qe5 (30.Re5 Rd6 31.Ra5 Nf4+/-) 30...Qe5+= 31.Re5 Nf4 32.Re7 Rd2 33.Ne4 (better 33.Ra7!? Rc2 34.Ne4+=) 33...Re2=+ 34.f3? (better 34.Rc1 Rc8 35.Nd6=+) 34...Rg2-+ 35.Kh1 Rf5 (35...Re2 36.Ra7 Nh3 37.Nc3-+) 36.Rd1 (36.Ra7 Rh5 37.Nf2-+) 36...Rh5?? (better 36...Rg6 37.Rd6 Rd6 38.Nd6 Rc5-+) 37.Rd8+- Kh7 38.Nf6 Kg6 39.Nh5 Kh5 40.Rf7 (40.Ra7 g5 41.Rc7 Ra2 42.Rc4 Ra3-/+) 40...Rg3 (40...Ne6 41.Kg2 Nd8 42.Rg7 Ne6+-) 41.Rf4 g5 (41...c3 42.Kh2 c2 43.Rc8+- (43.Kg3?! c1Q 44.Rh4 Kg6 45.Rg4 Kf6 46.Rf8 Ke7=)) 42.Rf5 (better 42.Rf6 Rf3 43.Rf3 c3+-) 42...Rh3 (42...Kh4+-) 43.Kg2 Rh4 44.Rf6 c3 (44...Rf4 45.Rc6 Re4 46.Rdd6 Re2 47.Kg3 Rg2 48.Kg2 g4 49.Rd5 Kh4 50.Rh6) 45.Rh8 Rg4 46.fg4 (46.Kf2 Rg2 47.Kg2 g4 48.Rhh6 Kg5 49.f4) 46...Kg4 47.Rhh6 (47.Rc8 Kh4 48.Rc4 Kh5 49.Kg3 a6 50.Rcc6 c2 51.Rh6) 47…c2+- (47...c2 48.Rh1 a6 49.Kf2 c1R 50.Rc1 Kh4 51.Kf3 g4 52.Kf4 Kh3 53.Rc2 g3 54.Rh6). pacalmisu (2195) - Cofi7 (2350), Rated Blitz game, lichess.org, 2014.

9.Qc2 Nc6 10.Bb2 Bg4 11.Be2 Rc8 12.h3 Bh5 13.0-0 a6 14.Rc1 b5 15.Qc5 Bb6 16.Qc2 Nd4 17.Qc8 Ne2 18.Kf1 Nc1 19.Qd8 Rd8 20.Bc1 Bf3 21.gf3 Rc8 22.Bb2 Rc2 23.Nc3 (23.Be5 Rc1 24.Ke2 Bc7=) 23...Rd2 (worse 23...Rb2 24.Nd5 Bd8 25.Ke2+/-) 24.Nd5 Rd5 25.Bc3 Kf8 26.Rc1 a5 27.Rb1 f6 28.e4 Rd3 ½-½. tbre0022 (2580) - albertschenning (2515), gameknot.com, 2021.

9.Qc2 Nc6 10.Bb2 Bg4 11.Be2 Re8 12.h3 Bh5 13.0-0 Rc8 14.Nc3 Nc3 15.Bc3 Bc3 16.dc3 Bg6 17.Qb2 b6 18.Rfd1 Qf6 19.Bd3 Bh5 20.Be2 h6 21.Rd2 Red8 22.Rad1 g5 23.Rd5 Rd5 24.Rd5 Rd8 25.Qd2 Rd5 26.Qd5 Kg7 27.Qd7 Ne7 28.Qa7 Nd5 29.c4 Nc3 30.Bd3 Qd6 31.g4 Qd3 32.gh5 Qd1 33.Kg2 Qc2 34.Nh2 (34.Qb6?? Nd1 35.Nd2 Qd2 36.Qc5 Qf2 37.Kh1 Qf3 38.Kh2 Nf2 39.Qe5 Kh7-+) 34...Qe4 35.Kg1 Ne2 36.Kf1 Qc4 37.Qb6 Nf4 38.Kg1 Qc1 (worse 38...Nh3 39.Kg2 g4 40.Kg3+/-; worse 38...Nh5 39.Ng4 f6 40.Qc7 Qf7 41.Qc5+/-) 39.Nf1 Nh3 40.Kg2 g4 41.Qd6 Qc2 42.Nd2 Ng5 43.Qd5 g3 44.f3 (44.Kg3? Qd2!? 45.Qd2 Ne4 46.Kf4 Nd2-+; worse 44.fg3 c4 45.Kf1 c3-+) 44...c4 45.Kg3 c3 46.Nb3 Qb1 47.Qd4 ½-½. albertschenning (2480) - jk1970 (2570), gameknot.com, 2021.

9.Qc2 Nc6 10.Qc5 Ne5 11.Ne5 Be6 12.Nc4 Rc8 (12...Bc7 13.Nc3=) 13.Qa5+= Rc4 14.Qd8 (14.Bc4 Qc7 Double attack (14...Qc7 Decoy; 14...Qa5 Remove defender)) 14...Rc1 (14...Rd8?? 15.Bc4 Rc8 16.Bd5 Rc1 17.Ke2 Rh1 18.Bb7 Rh2 19.Nc3+-) 15.Ke2 Rd8 16.g3?? (16.f3 Nb6 17.Rg1 Nc4-+) 16...Nf6?? (16...Nc3 17.Nc3 Ra1 18.Bg2 Bc4 19.Kf3 Rh1 20.Bh1 Rd2 21.a4-+) 17.Bg2? (better 17.f3=+) 17...Bc4-+ 18.d3?? (18.Kf3 Rh1 19.Bh1 Bd5 20.Kf4 Bh1 21.Nc3-+) 18...Bd3 19.Kd2 Rh1 (better 19...Rc2 20.Ke1 Re2 21.Kd1-+) 20.Bh1 Bb1 (20...Be4 21.Ke2 Bh1 22.f3-+) 21.Kc1 (21.Ke1 Be4 22.Be4 Ne4-+) 21...Be4 22.Be4 (22.f3 Bc6-+) 22...Ne4 23.f4 f5 24.Rb1 b6 25.Rb5 g6 26.Re5 (26.g4 fg4 27.Re5 Nd2-+) 26...Kf7 27.g4 (27.Rb5 Rd3-+) 27...Rc8 (27...Nf2!? 28.Rb5 Ng4 29.Rb3-+) 28.Kb2 Rc5 (better 28...Nf2!? 29.Rd5 Ke6 30.Rd2 Ng4 31.h3-+) 29.Rc5 bc5 30.gf5 gf5 31.Kb3 Ke6 0-1. Knight286 (2190) - BeyondCritics (2235), Rated Blitz game, lichess.org, 2016.

9.Qc2 Be6 10.Qb2 f6 11.Bg3 Qe7 12.Bd3 (12.Bc4 a6=) 12...Nc6 13.Qc2 Kh8 14.0-0 Rad8 (14...f5 15.Nc3=) 15.Rc1 (15.Bh7 Bc7 16.Bc7 Qc7+/-) 15...Bb6 (15...Bc7!?+=) 16.Bh7+/- f5 17.Bh4 Qe8 0-1. kylion (2215) - kvb47 (2450), gameknot.com, 2022.

10.Bb2 Qb6 11.Qc1 Bf5 12.0-0 Rac8 13.Nh4 Nce7 14.Nf5 Nf5 15.Bc4 Nde7 16.Nc3 Qh6 17.Ne4 Rc6 18.f4 a6 19.a4 Rg6? (19...Nd6!? 20.Nd6 Rd6+=) 20.Rf2+/– (20.Nc5?! Rc8 21.Ba3 Nd6=) 20...Bc7 21.Be5 Be5 22.fe5 Qh4 (22...Rg4 23.Bd3 b6 24.Qd1+–) 23.Qc2+– Rg4 24.Bd3 Rd8 (better is 24...c4 25.Qc4 Rc8+–) 25.Nf6?? (better is 25.Nc5 g6 26.Nb7+– (26.Bf5?! Nf5 27.Nb7 Re8+–)) 25...gf6+= 26.Bf5 Rc4 27.Qb1 fe5 (better is 27...Rb4 28.Qc2 Rc4+=) 28.g3 Qh5 29.Be4?? (better is 29.Qb6 Re8 30.Bd7+–) 29...Rd7+= 30.Ra2 (30.Bb7? Rb4 31.Qc1 Rbb7 32.Qc5 Rbc7–+) 30...Kg7 31.Bf3 (31.Rb2 Ra4 32.Rb7 Rb7 33.Qb7 Qd1 34.Kg2 Ra1 35.Qe7 Qg1 36.Kf3 Qd1 37.Re2 Qf1 38.Rf2 Qd1 39.Kg2 Qg1 40.Kf3 Qd1=) 31...Qh6 (better is 31...Qg6 32.Qb2 Qe6–/+) 32.Bb7?? (better is 32.Rb2=) 32...Rb4–+ 33.Rb2? (33.Qa1 Qb6 34.Rf1 Rb7 35.Qe5 f6 36.Qh5–+) 33...Rdb7 34.Qa2 (34.Rb4 cb4 35.Qd1 Qe6–+) 34...Qe6 (better is 34...Rb2 35.Qf7 Kh8 36.Qe8 Ng8 37.Qe5 Qg7 38.Qc5–+) 35.Qe6 fe6 36.Rc2 c4 37.Ra2 Nd5 38.Kg2 e4 39.Kh3 (39.a5 Kg6 40.g4 c3 41.dc3 Rc4–+) 39...Rf7 (better is 39...Rb2 40.Ra1 c3 41.Re2–+) 40.Re2 (40.Rf7 Kf7 41.Kh4 Kg6–+) 40...Rf1 41.a5 Rg1 (41...Rc1 42.g4–+) 42.Rf2 Rb5 43.Rc2 (43.Rg2 Rgb1 44.g4 R5b3–+) 43...Nf6 (43...c3 44.Kh4–+) 44.g4 (44.Rf4 Rd1 45.g4 h5–+) 44...Ng4 45.Rg2 0–1. Sukopp,K (1975) – Albano,M (2290), TCh–EUR Senior, 2015.

10.Bb2 Bc7 11.h3 b6 12.0-0 Bb7 13.Nc3 Nc3 14.Bc3 Qd6 15.Qc2?? (15.Re1 Rad8=) 15...Rfe8 (better 15...Nd4! 16.ed4 Bf3–+) 16.Rfe1 Nd4 17.ed4?? (17.Bd4 cd4 18.Rac1=+ (18.ed4?? Bf3 19.Qc7 Qc7 20.Bf3 Re1 21.Re1 Rc8–+)) 17...cd4 (better 17...Bf3 18.g3 Be2 (18...Re2?! 19.Re2 cd4 20.Bb2–/+) 19.dc5 Qc5–+) 18.Bb4+– Qg6 1–0. GuestMFJV – GuestBJGT, freechess.org, 2017.

10.Bb2 Qe7 11.0-0 Rd8 12.Qc2 Bg4 13.d3 (13.h3!? Be6 14.Rc1=) 13...Rd6+= 14.Bc1 (better is 14.Nc3!?+=) 14...Rg6–+ 15.e4 (15.Kh1 Rc8–/+) 15...Bf3 (15...Qf6!? A) 16.ed5?? Bf3 (16...Qa1 17.dc6 Rc6 18.Nbd2 Bd2 19.Qd2+/–) 17.g3 Nd4–+; B) 16.Bb2 Bf3 17.Bf6 Rg2 18.Kh1 Rf2 19.Kg1 Rg2 20.Kh1 Re2 21.Rf3 Rc2 22.ed5 gf6 23.dc6 bc6 24.a4 Rc1 25.Kg2–+) 16.Bf3 Nd4 (16...Qf6 17.Bh5 (17.ed5?? Qf3 18.g3 Nd4–+) 17...Qa1 18.Bg6 hg6 19.Bb2–+) 17.Qd1–/+ Nf6 18.Nd2 Bc7 (18...Qe5 19.Ra2 Qe6 20.Rb2–/+) 19.g3+= Nf3 (19...Be5 20.Rb1+=) 20.Nf3 Nd7 (20...Ng4 21.Rb1 b6 22.Qe2+=) 21.Rb1= b6 22.Kh1 Rd8 23.Nh4 Re6 24.Nf5 Qf6 (24...Qe8!? 25.f4 Nf6=) 25.f4+= c4 26.Bb2 c3 27.Bc3 Qc3 28.Rc1 Qa3 29.Rc7 Nf6 30.e5 (30.Qc2 Qd3 31.Qd3 Rd3+=) 30...Nd5 (30...Rd3 31.ef6 Rd1 32.Rc8 Qf8 33.Rf8 Kf8 34.fg7 Kg8 35.Rd1+–) 31.Rb7 Qa6 32.Qg4 Rg6 33.Qh4 Rf8 (better is 33...f6 34.Rg7 Rg7 35.ef6 Rg6 36.f7 Kf7 37.Qh7 Kf6 38.Qh4 Kf7 (38...Kf5 39.Re1 Ne3 40.Qh5 Kf6 41.Qe5 Kf7 42.Qc7 Ke6 43.Re3 Kd5 44.Qd8 Rd6 45.Qc7+–) 39.Qd8 Qd3+=) 34.Ne7 (better is 34.Rd7!? Qd3 35.Ne7 Kh8 36.Ng6 fg6 37.Kg1=) 34...Ne7–/+ 35.Re7 (35.Qe7 Qd3 36.Rf2 Rc6–+) 35...Qd3 36.Qh3 Qd5 (better is 36...Rh6!? 37.Qg2 a5–/+) 37.Qg2= Qg2 38.Kg2 a5 39.Rb7 Ra8 40.Kf3 a4 41.Rc1 a3 (41...f5 42.Rcc7=) 42.f5 (42.Ra7 Rb8+=) 42...Rh6= 43.h4 (43.Ra7! Re8 44.Rcc7=) 43...Kf8+= 44.Rcc7 a2 45.Rf7 Kg8 46.Rg7 Kh8 47.Ra7 a1Q 48.Ra1 Ra1 49.Rd7 Kg8 50.Kg4 Re1 (50...Rc6!? 51.e6 Ra8–/+) 51.Kg5= Rc6 52.e6 Ree6 ½–½. Haisma,Henk (1780) – Kalle,Erwin (1935), 20th Hogeschool Zeeland Tournament, 2016.

10.Bb2 Qe7 11.0-0 Be6 12.Qc2= Rac8 (12...Rad8=) 13.d3 (13.Nc3 Nc3 14.dc3 Rcd8=) 13...Bc7 (13...Bf5!?–/+) 14.Nbd2= b6 (14...h6 15.Rfe1=) 15.Ne4 (15.g3 Rfd8=) 15...f6 (15...h6 16.h3=) 16.Rac1 (16.h3 Rfe8=) 16...Bb8 (16...Bf5 17.Ng3 Bd7 18.Ne4=) 17.Rfd1 Rfd8 (17...Ne5 18.Qa4=) 18.Qa4 (18.Rd2 Bc7=) 18...Kh8 (18...Bd7 19.Qb3 Be8 20.Qc4=) 19.Ng3 (19.d4 Bd7 20.dc5 Na5+–) 19...Qd7 20.Qh4 (20.Qc2 Bf7=) 20...Nce7 21.d4? (better 21.Nd2=) 21…Ng6–+ (21...Ng6 22.Qe4 Bg3 23.dc5 Bb8–+) 0–1. Steadman,Michael (2190) – McLaren,Leonard (2205), 44. North Shore Open, 2017.

10.Bb2 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.a3 Ba5).

10.Bb2 Bg4 11.0-0! a6 12.Ne5 Be2 13.Qe2 Ne5 14.Be5 Re8 15.Bb2 b5 16.Rd1 Nf4 17.Qg4 Ng6 18.Nc3 Qd3 19.Ne2 Rad8 20.Nf4 Qc2 21.Ng6 hg6 22.Rab1 Rd2 23.Qf3 Rd1 24.Qd1 Qd1 25.Rd1 Rd8 26.Rc1 c4 27.g3 Rd2 28.Bc3 Bc3 29.Rc3 f5 30.Kg2 Ra2 31.Kf3 Kf7 32.h4 Ke6 33.e4 fe4 34.Ke4 Rf2 35.Kd4 Kd6 36.Ke3 Ra2 37.Kd4 Rd2 38.Ke3 Rb2 39.Kd4 Rb3 40.Rb3 cb3 41.Kc3 Kc5 42.Kb3 a5 43.Kc3 b4 44.Kb3 Kd4 45.ab4 ab4 46.Kb4 Ke3 0–1. vihavald (1695) – jerzyk1955 (1635), internet, 2014.

10.Bb2 Bg4 11.0-0 Qe7 12.Qa4 Bh5 13.Rc1 Bb6 14.Nc3 Nc3 15.Bc3 Bc7 16.Rab1 Rab8 17.Re1 Qd6 18.Qh4 Bg6 19.Rbc1 b5 20.d4 c4 21.Bb2 Rfe8 22.Red1 Ne7 23.Ne5 f5 (23...Bf5 24.Qh5 Be6 25.e4=+) 24.d5 Ba5 (24...a6!?+=) 25.Qd4+/- (25.Ng6?! Ng6 26.Qh3 Bc7=) 25...Bb6 26.Qc3 Bc7?? (better 26...Nd5 27.Rd5! Qd5 28.Ng6 Qf7+-) 27.Ng4!+- (27.Ng4 Qe5 28.Ne5+-; 27.Ng6?? Qh2 28.Kf1 Qh1) 1-0. Hojjatova,Aydan (2355) - Salah,Nadezhda (1915), 36th World Junior Girls, 2018.

9.a3 Ba5=.

9.Bb5 Bd7=+ 10.Be2 (10.Bd7 Nd7 11.a3 Ba5=) 10...Qe7 (10...Be6 11.a3 Ba5 12.Qc2=+) 11.Na3 (11.0-0 Nf4=+) 11...Ba5 (11...Nf4 12.0-0=+) 12.Ne5 (12.Nc4 Bc7=) 12...Qg5 (12...Be6 13.0-0=+) 13.h4 (13.Bf3 Bc6 14.h4 Qf5=) 13...Qe7=+ (worse 13...Qg2 14.Bf3 Ne3 15.Bg2 (15.fe3?! Qg3 16.Ke2 Re5=) 15...Nd1 16.Kd1+– (16.Rd1?! Nc6 17.Nac4 f6 18.Bd5 Kf8 19.Bc6 Bc6=)) 14.Bg4 (14.Nd7 Nd7 15.Qb3 N7b6=+) 14...Bc7 (14...Bg4 15.Qg4 f6=+) 15.Nd3 (15.Nd7 Nd7 16.Qf3 Be5–/+) 15...Qe4–/+ 16.Be2 b6 (16...Qg2?! 17.Bf3 Qg6 18.Nc5=+) 17.Nc1 Bc6 (worse 17...Qg2 18.Bf3 Ne3 19.Bg2 Nd1 20.Kd1+=) 18.Bf3 Qe6 19.Kf1 (19.d4 Nd7–/+) 19...Nf6 (19...Nd7 20.h5–/+) 20.Bc6 (20.h5 Bf3 21.Qf3 Nbd7–/+) 20...Qc6 (20...Nc6 21.h5–/+) 21.Rh3 (21.h5 Nbd7–/+) 21...Nbd7 22.Ne2 (22.h5 Be5 23.Be5 Ne5–/+) 22...Be5 (22...Rad8 23.Qc2–/+) 23.d4 cd4 24.Nd4 Qb7 (24...Qd5 25.h5–/+) 25.Kg1 (25.Qf3 Ne4 26.Rd1 Rad8=+) 25...Nc5 (better 25...Bd4 26.Bd4 Qa6=+) 26.Nf5?? (better 26.Nc4=+) 26...Bb2–+ 27.Rb1 (27.Nd6 Qa6 (27...Ba3?! 28.Nb7 Nb7 29.Qf3–/+) 28.Ne8 Re8–+ (28...Qa3?! 29.Nc7 Rb8 30.e4–+; 28...Ba3 29.Nf6 Kh8 30.Qf3+–; 28...Ba1 29.Nc7 Qa3 30.Na8–/+)) 27...Rad8 28.Nd4 (28.Nd6 Rd6! 29.Qd6 Nfe4–+) 28...Bd4 (better 28...Ba3 29.Qc2 Nce4 30.Rd1–+) 29.ed4 Re4 (29...Ne6 30.Nc2–+) 30.h5 (30.Nc2 Ne6–+) 30...Red4 31.Qc2 (31.Qf1 Nfe4 32.Re3 Qd5–+) 31...Rg4 (31...Qd5 32.h6 Rd2 33.Qc4–+) 32.f3 (32.Rh2 Nh5 33.Qf5 Nf6–+) 32...Rg5 (32...Rgd4 33.h6 Qa6 34.Qb2–+) 33.h6 g6 (33...Qd7 34.Kf1–+) 34.Qc1 (34.Nc4 Nd3–+) 34...Rgd5 (34...Qd5 35.Nc4–+) 35.Qc3 (35.Nb5 Qb8–+) 35...Qe7 (better 35...Rd1 36.Rd1 Rd1 37.Kh2 Qc7 38.Rg3–+) 36.Re1 (36.Nc4 Nd3 37.Rh4 Ne8–+) 36...Rd1 37.Rd1 (37.Nc2 Na4 38.Kh2 Re1 39.Qe1 Qc7 40.Rg3 Qc2–+) 37...Rd1 38.Kh2 Rd3 39.Qb4 Qe5 40.f4 Ng4 (40...Ng4 41.Kg1 Rd1 42.Qe1 Re1) 0–1. Ewert,Jerzy – Gugulski,Marcin, corr 2AMM Poland, 1994.

9.Qc2 Nc6 (9...Qd6 10.a3 Ba5 11.Ng5+=) 10.a3 Ba5 11.Qc5 Bg4 (11...Be6 12.Be2=) 12.Bc4+= Qb6 (12...Be6 13.0-0+=) 13.Qb6+– (13.Qd5? Qb2 14.Qf7 Kh8–+) 13...Nb6 (13...Bb6?? 14.Bd5 Bf5 15.d4+–) 14.Bb5 Rac8 15.Bc3 (15.Nc3 a6 16.Be2 Bf3 17.gf3 Ne5+–) 15...Bf3 (15...Nd5 16.Bc6 Rc6 17.Nd4+=) 16.gf3 Nd5 17.Bb2 Re6 (17...a6 18.Bc4 Nf4 19.Kd1+=) 18.Ke2 (18.Rg1 Ne5 19.Kd1 f6+=) 18...a6+= 19.Bc4 Nce7 20.d3 (20.Ba2!?+=) 20...b5= 21.Bd5 Nd5 22.Rc1 (22.Kd1!?=+) 22...Nf4–/+ 23.Kf1 Rc1 24.Bc1 Nd3 25.Bd2 Bc7 26.f4 Rh6 27.Kg1 (27.Ra2 Rh2 28.Rc2 Bd6 29.Rc8 Bf8=+) 27...f5 28.Ra2 (28.Bc3 g5 29.fg5 Rh2–/+) 28...Rc6 (28...Bb6 29.Kg2–/+) 29.Nc3 (29.Bc3 a5–/+) 29...Bd6 30.Nd5 Nc1 31.Bc1 Rc1 32.Kg2 Kf7 33.Nb4 a5 (33...Rc4 34.Kf1–/+ (34.Na6? Ra4–+)) 34.Nc2=+ Bc5 (34...g6 35.Nd4 b4 36.ab4 ab4 37.Kf3=+) 35.Rb2 Ke6 (35...a4 36.Kf3=+) 36.Nd4 Bd4 37.ed4 Rc3 38.Rb5 Ra3 39.Rb7 Ra4 (39...Kd5 40.Rg7 Kd4 41.Rh7=) 40.Rg7 Rd4 41.Ra7 (41.Rh7 Rf4 42.h4 a4=+) 41...a4 42.Kg3 h5 43.Rh7 (43.h3 Rd3 44.Kh4 a3=+) 43...Rd2 (43...Kd6 44.Rh5 a3 45.Rh6 Kc5 46.Re6–/+) 44.Rh6 (44.Ra7 Ra2=) 44...Kf7 (44...Kd7 45.Rh5 Rd5 46.Rh7 Kc6 47.Ra7=) 45.Rh5 (45.Rh7 Kg6 46.Ra7 Rd4=+) 45...Kg6 46.Rg5 Kf6 47.Rg8 a3 (47...Rd3 48.Kh4 Rd4 49.Rf8 Kg6 50.Rg8 Kf7 51.Ra8 Rf4 52.Kg5 Rf2 53.Ra4 Rh2 54.Kf5 Rh5 55.Kg4=) 48.Ra8 a2 49.Ra6 Ke7 50.h4 Kf7 (50...Rd3 51.Kg2 Rd2 52.Ra7 Kf8 53.h5+–) 51.h5+= Kg7 (51...Rd1 52.Ra2 Rh1 53.Ra7 Kg8 54.Kf3+–) 52.Kh4+– Rf2 53.Kg5 White prepares the advance h6 53...Rg2 54.Kf5 Rf2 55.h6 (55.Ke5 Kh7+–) 55...Kh7 56.Ke4 (56.Kg5 Rg2 57.Kh5 Rh2 58.Kg4 Rb2+=) 56...Rh2 57.f5 Rf2 58.Ke5 Re2 59.Kd5 (59.Kf4 Rg2+=) 59...Rc2 60.Ke5 Re2 61.Kf4 Rd2 (61...Rg2 62.Ke3+=) 62.Kf3= Rd3 63.Kf4 (63.Ke4 Rd2=) 63...Rd2 64.Kf3 Rc2 (64...Rd3 65.Ke4 Rd2 66.Ke3=) 65.Kg3 (65.Ke3 Rg2=) 65...Re2 66.Kh3 Rd2 67.Kg3 Re2 68.Kf3 Rc2 69.Kg4 (69.Ke3 Rh2=) 69...Rg2 70.Kh4 Rh2 71.Kg4 Rg2 72.Kh3 Rc2 73.Kh4 Rg2 74.Kh3 (74.Ra7 Kh6 75.Kh3 Rd2=) 74...Rc2 75.Kh4 Rg2 76.Kh5 Rh2 77.Kg5 Rg2 78.Kh5 Rh2 79.Kg5 ½–½. Neurosis 2?3 (2195) – EveAnn 1?66 (2270), CCRL, 2011.

9.a3 Ba5 10.Qb3=+.

9.Be2 Nc6 10.0-0 Qe7 11.Nc3 Bc3 12.dc3 Rad8 13.Qb3 Nf6 14.Rad1 Ne4 15.c4 Na5 16.Qa4 b6 17.Rfe1 Qe8 18.Qc2 Nd6 19.Qc1 f6 20.Bc3 Nc6 21.Rd2 h6 (21...Qe6 22.Red1=) 22.Red1 Qe7 23.Nh4 Bh7 24.Rd5 Ne5 25.Bb2 Nef7 26.Bh5 Qe4 27.g3 ½-½. Mehlhorn,Uwe (2375) - Filin,Evgeny Konstantinov (2355), EU-ch, 2018.

9.Be2 Nc6 10.Nc3 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.Nc3).

9.Bb2 Be6 10.Qc2 Rc8 11.a3 Ba5 12.Qc5 Ncb4 13.ab4 Rc5 14.bc5 Nb4 15.Na3 Nd3 16.Bd3 Qd3 17.Nd4 Bd2 18.Kd1 Be3 0–1. lllllll21 – littlerainer2, internet, 2014.

9.Bc4 Ne5?! 10.Ne5 Be6 11.Nc3 Bc3 12.dc3 +=.

9.Bc4 Be6 10.a3 Ba5 (10...Na5 11.Qa4 Nc4 12.ab4 Ne5 13.Ne5–+) 11.Qb7 (better is 11.Bb2!?+=) 11...Ne5–/+ 12.Ne5 Rb8?? (12...Qf6 13.f4 Ne3 14.Be6 fe6–+) 13.Qc6?? (13.Qa7!? Ne3 14.fe3 Qh4 15.g3+=) 13...Rb1?? (better is 13...Qf6 14.f4 Ne3–+) 14.Rb1= Ne3 (14...Bd2 15.Kf1 Ne3 16.fe3 Qf6 17.Ke2 Qe5 18.Be6 Qe3 19.Kd1 fe6 20.Qd6+=) 15.Bd3 (better is 15.fe3 Qd2 16.Kf1 Bc4 17.Nc4 Qd3 18.Kf2 Qc4 19.Rbc1 Qa2 20.Kf3 Qa3 21.Qc5+=) 15...Ng2?? (better is 15...Bd5 16.Qc5 Ng2 17.Kd1 Nf4–/+) 16.Kf1?? (better is 16.Qg2 Bd5 17.Qh3+–) 16...Nf4–+ 17.Qe4 Ng6 18.Nf3? Bh3 19.Kg1 Re8 20.Qc4 Ne5 21.Ne5 Qg5 22.Ng4= Bg4 23.Kf1?? Bh3 0–1. ognos – evertchess9 (1625), internet, 2013.

9.Bb2 b6 10.Bd3 (10.a3 Ba5 11.Bd3 f5 12.Bc4 a6 13.Nc3 Be6=; 10.Nc3 Be6 11.Bd3 f5 12.Bc4 Bc3 13.Bc3 Kh8=+) 10...f5 11.a3 Ba5 12.0-0 Be6 13.Bb5 Qd6=.

9.Bb2 Qd6 10.Bd3 (10.a3 Ba5 11.Bd3 f5 12.Bc4 Rb8 13.Nc3 Be6=; 10.Nc3 Rd8 11.Nb5 Qe7 12.a3 Ba5 13.Bd3 g6=+) 10...f5 11.a3 Ba5 12.0-0 Be6 13.Ng5 Bc7=.

9.Bd3 A) 9...f5 10.Bb2 (10.Bc3 a6 11.Be2 Be6 12.0-0 Qe7 13.a3 Bc3=+; 10.Bc4 Ne5 11.Ne5 Be6 12.a3 Qf6 13.Qb2 Ba5=+) 10...Qd6 11.a3 Ba5 12.0-0 Be6 13.Ng5 Bc7=; B) 9...Ne5 10.Ne5 Qg5 11.Nc4 b5 12.Nb2 Bb7 13.a3 Qg2–/+.

10.a3 Ba5 11.Bc4 Nf4 (11...Rd8!?=+) 12.0-0+= Ng6 13.Nc3 Be6 14.Nd5 Qd6 15.e4 a6 16.Rac1 Rfd8 17.Ba2 b6 18.Ng5 Nce7 19.e5 Qd7 20.Ne7 (20.Ne6!? fe6 21.Ne7 Qe7 22.d4=) 20...Qe7=+ Attacking the backward pawn on d2 21.Ne6 Rd2 22.Qe4 Ra7 (better 22...Rb8 23.Rc2 fe6 24.Rd2 Bd2=) 23.Ng7 (better 23.Ng5! Qg5 24.e6=) 23...Rb2-/+ (worse 23...Kg7 24.Rc2+=) 24.Nf5 Qe5 25.Nh6? (better 25.Bb1!?-/+) 25...Kf8-+ 26.Bb1 (26.Qe5 Ne5 27.Ra1-+) 26...Qe4 27.Be4 Bd2 28.Nf5 Bc1 29.Rc1 Rd7 0-1. Franek – Najda, corr, 1973.

10.a3 Ba5 11.Bd3 f5 12.0-0 Be6 13.Rc1 b6=.

10.Bb5 Qd6 11.a3 Ba5 12.0-0 Bg4 13.Ng5 f5=.

10.Bc4 Be6 11.0-0 a6 12.Bd3 h6 13.Rc1 Rfd8 14.Bh7 Kh8 15.Be4 b6 16.a3 Ba5 17.d4 Rac8 18.dc5 Na7 19.Bd4 (19.Qe2 Rc5 20.Rc5 Qc5+=) 19...Nb5 (better 19...bc5!? 20.Be5 Nf6=) 20.c6+/- Nd4 21.Nd4 Nf6 (21...Rc7 22.Qe2+/- (worse 22.Ne6 Qe6 23.Bf3 Rd6=)) 22.Bf3 (22.Bd3 Qa7+-) 22...b5 23.a4 b4 24.Nd2 Bd5 25.Qd3 Qa7 26.N2b3 Bb6 27.a5 Bd4 28.Nd4 Bf3 29.gf3 Nd5 30.Rc4 Qe7 31.Kh1 Qh4 32.Rf1 Qe7 33.Rg1 g6 34.f4 Qf6 35.Qe4 Kh7 36.Qe5 Qe5 37.fe5 Re8 38.Nf3 Re6 39.Rgc1 Nc3 40.Rc2 (better 40.c7!?+/-) 40...Rec6= 41.Rb4 Nb5 (better 41...Rc5!?+=) 42.Rc6+/- Rc6 43.Nd4 Rc1 44.Kg2 Nc7 0-1. Lunin,Mikhail (2230) - Ivanov,Yuri Alexander (2005), Kolomna, 2009.

10.Bd3 f5 11.a3 Ba5 12.0-0 Be6 13.Rc1 b6=.

10.Bd3 h6 11.0-0 Bg4 12.a3 (12.Bh7 Kh8 13.Be4 Rad8=) 12...Ba5 13.Be2 Rad8 14.Nc3 Bc7 (14...Bc3 15.dc3 Rfe8 16.Rfe1=+) 15.Rac1 b6 16.h3 Bh5 (16...Be6 17.Rfd1=) 17.Rfd1 (17.d4 Bg6 18.Nd5 Rd5+=) 17...Bg6 (17...Rfe8 18.Nd5 Rd5 19.d4=) 18.Qa4 (18.Nd5 Rd5 19.Qc3 Ne5+=) 18...Ne5 19.Nd5 (19.Qa7?? Nf3 20.Kh1 Nc3 21.Bc3 Qd6 22.Qc7 Qc7 23.Bf3 Bd3-+) 19...Rd5 20.d4 (20.Be5 Be5 21.Bc4 Rdd8 22.Ne5 Qe5 23.Qa7 Qb2=) 20...cd4 21.Nd4 Rfd8 (21...Bb8 22.Qb3 Rc5 23.Bc3+=) 22.Nc6 (22.Qa7!? Nc4 23.g3 (23.Bc4?! Bh2 24.Kh2 Qa7=) 23...Nb2 24.Rc7+-) 22...Nc6 (22...Rd1 23.Rd1 Rd1 24.Bd1 Nc6 25.Qc6=) 23.Rd5 Rd5 24.Qc6 Rc5 25.Rc5 Qc5 (25...bc5 26.Bc4 Be4 27.Qa4=) 26.Qc5 (26.Qa8 Kh7 27.Qa7 Qc2+=) 26...bc5= 27.g4 Be4 28.f4 Bd5 29.Kf2 f6 30.Bf3 Bb3 31.Bc6 Kf7 32.Kg3 (32.Bc3 Ke6=) 32...Ke6 33.Bc3 (33.Kf3 c4=) 33...Kd6 (33...Bd5 34.Ba4=+) 34.Bh1 (34.Bb5 Kd5=) 34...a5 35.Kf2 a4 (35...c4 36.Be4=) 36.Ke2 Bb6 (36...Bd5 37.e4 Bc4 38.Kf3=+) 37.Kd2 c4 38.Bb4 Ke6 39.f5 Ke5 (39...Kd7 40.Be4=) 40.e4 (better 40.h4+=) 40...Bd4-+ 41.Bc3 Ba2 (41...Bc3 42.Kc3 Kf4 43.Bg2-/+) 42.Kc2 Bb1 43.Kb1 Bc3 44.Kc2 (44.Bf3 Bd4=+) 44...Kd4 45.Bf3 Be1 46.Be2 (46.Bd1 Kc5=+) 46...Bg3-/+ 47.Bf1 Bd6 48.Be2? (better 48.Kb2-/+) 48...Ba3-+ 49.Kb1 Bd6 50.Ka2 (50.Bd1 a3-+) 50...c3 (50...a3 51.Ka1-+) 51.Bd1 a3 52.Bc2 Ke3 53.Kb1 Kd2 (53...Kd2 54.Bb3 c2 55.Bc2 a2 56.Kb2 Be5 57.Ka2 Kc2-+) 0-1. OnlyPolishOpening (2350) - DrVictory (2450), lichess.org, 2020.

10.a3 Bf5 11.Qb3 Ba5 12.Be2 a6 13.Nc3 Bc3 14.Bc3 b5 15.0-0 c4 16.Qb2 Nc3 17.dc3 Qf6 18.a4 b4 19.Rac1 Rab8 Black intends b3 20.Bc4 Na5 21.Be2 Bg4 22.Rc2 (22.Nd4 Be2 23.Qe2 b3+=) 22...b3 23.Rd2 Rfd8 (23...Bf3 A) 24.Bf3?? Nc4 25.Qc1 b2 (worse 25...Nd2 26.Qd2 Rfc8 27.Be4-+) 26.Rb2 Nb2-+ (26...Rb2?! 27.Bd5-+); B) 24.gf3 Rfc8 25.Rd4=) 24.Rfd1 (24.Rd4 Bf3 25.Bf3 Rd4 26.cd4 Nc4+/-) 24...Rd2 25.Rd2 h5 (25...Bf3 26.gf3 (26.Bf3?? Nc4-+) 26...Rc8 27.Rd3=) 26.h3 (26.Rd5 Bf3 27.gf3 Rc8+=) 26...Bf3+= 27.gf3 (27.Bf3?? Nc4 28.Qc1 b2 29.Rb2 Rb2-+) 27...Qe6 28.Kg2 Nc4 29.Bc4 Qc4 30.Rd4 Qc5 31.h4 Qc6 32.Rf4 a5 33.Rd4 Qf6 34.Rf4 Qd6 35.Rd4 Qe6 36.Rf4 Qd5 37.Rd4 Qe5 38.c4 (38.e4 Qe6=) 38...Qc5=+ 39.Rd5 Qc4 40.Ra5 Qh4 41.e4 Qe7 42.Rd5 h4 43.a5 Qe6 44.Rd2 Kh7 45.Rd1 Kg8 46.Rd3 (46.Rd2!?=) 46...Qc4 47.Rd1 Qe6 48.Rd2 Kh7 49.Rd3 (49.Rd1 Rb5 50.Rd8 f6=+) 49...Qc4 50.Rd5 Qc8 51.Qf6 Kg8 52.Qb2 (52.Qh4? b2 53.Rd1 b1Q 54.Rb1 Rb1-+) 52...Kh7 53.Qf6 Kg8 54.Qb2 (54.Qh4? b2 55.Rd1 b1Q 56.Rb1 Rb1-+) 54...Qc6 55.Rd2 Qe6 56.Rd5 (56.Rd3 h3 57.Kg3 Qc4=+) 56...Kh7 57.Rd3 h3 (57...Rb5 58.Rd8 f6 59.Qc1-/+) 58.Kh2=+ Qa6 59.Rd5 (59.Rb3?? Qf1 60.Kg3 Rb3 61.Qb3 Kh6-+) 59...Qc8 60.Rd3 Qc4 61.Rd5 Qc8 62.Rg5 (62.Rd3 Rb5=+) 62...Kg8 63.Kg3 Qd7 64.Rd5 Qc8 65.Rg5 Qd7 66.Rd5 Qa4 (66...Qe6 67.Re5 Qc8 68.Rg5=) 67.Qe5 (67.Kh3!? Kh7 68.Kg2+/-) 67...Re8 68.Qf6 Rb8 69.Qe5 Re8 70.Qf6 Qc4 71.Rd1 Qc7 72.Kh3 Qc2 73.Rd8 (73.Rd7 Rf8 74.Qb6 Qc8+=) 73...Rd8= 74.Qd8 Kg7 75.Qd4 Kh7 76.Qf6 b2 77.Qf7 Kh8 78.Qf8 Kh7 79.Qf7 Kh8 80.Qf8 Kh7 81.a6 b1Q 82.Qf7 Kh8 83.Qf8 Kh7 84.Qf7 Kh8 85.Qf8 Kh7 ½-½. Stockfish - Lc0, 13th Chess.com CCC Final, 2020.

10.a3 Bf5 11.Qb3 Ba5 12.Be2 b5 13.Nc3 Nc3 14.Bc3 a6 15.0-0 c4 16.Qb2 Bc3 17.dc3 Qf6 18.Nd4 Nd4 19.ed4 Rfe8 20.Bf3 Rab8 21.Qb4 h5 (21...Bc2 22.Rac1 Bb3 23.Rce1=) 22.a4+= Kg7 (22...Qe7 23.Qa5 Qd6 24.ab5 ab5 25.Rfd1=) 23.Rfe1 ba4 24.Qa4 Re1 25.Re1 Bd3 26.Qa2 Rb3 27.Qd2 a5 (27...h4 28.h3=) 28.h3 a4 (better 28...Qd6!?=) 29.Bd1+/- Qa6 30.Bb3 cb3 31.Qb2 Bc4 32.Ra1 Bd5 33.f3 (33.Ra3 h4+/-) 33...Kh7 34.Kh2 ½-½. avojin (2555) - goodfella1201 (2525), gameknot.com, 2021.

10.a3 Bf5 11.Qc1 Ba5 12.Qc5 Rc8 (12...Bb6 13.Qc4+=) 13.Qb5 (13.Nd4 Nde7 14.Nf5 Nf5+=) 13...Re8 14.Nc3 Nf4 (14...Nc3 15.Bc3 (15.dc3 Nd4 16.Nd4 Rc3 17.Bc3 Bc3 18.Ke2 Bd4–+) 15...Bc3 16.dc3+=) 15.Qa4 (15.Qb7 Bd3 16.h4 Bb6–/+) 15...Qd6 (15...Qb6 16.Bc1 (worse is 16.Qf4 Qb2 17.Ra2 Qc1 18.Nd1 Bc2 19.Rc2 Qc2–+) 16...Bc3 17.dc3=) 16.h3 Rcd8 17.Bb5 Nd3 (17...Bd3 18.Kd1 Ng2 19.Bc6 Qc6 20.Qc6 bc6 21.Nd4 Bc3 22.Bc3= (22.dc3? c5–+)) 18.Bd3+= Bd3 19.h4 (19.Rc1 Bc3 20.Bc3 b5=) 19...b5= 20.Qd1 (20.Nb5? Re3 21.fe3 Qg3 22.Kd1 Qg2–+) 20...Nd4 (20...h5 21.Rc1=) 21.Nd4+= Qd4 22.h5 Bc4 23.Rc1 (23.hg6 fg6 24.Rc1 Qf4+=) 23...g5= 24.Ba1 Re6 25.g3 Qc5 0–1. forsetinn (2220) – akjoltoy (2695), gameknot.com, 2014.

10.a3 Bf5 11.e4? Re8-+ 12.ab4?? (12.Bd3 Nf4 13.0-0-+) 12...Be4 13.Qc5 (13.Qe4 Re4 14.Kd1 Rb4 15.Ra2-+) 13…Bf3 (13...Bf3 14.Qe3 Ne3 15.fe3 Qh4 16.g3 Qb4-+) 0-1. Knight286 (2110) - kozakpop (2310), Rated Blitz game, lichess.org, 2016.

10.Be2 Bf5 11.Qb3 a6 12.a3 Ba5 13.Nc3 Bc3 14.Bc3 b5 15.0-0 c4 16.Qb2 Nc3 17.dc3 Qf6 18.a4 Rab8 19.ab5 ab5 20.Rfd1 Be4 21.h3 Rfc8 22.Nd4 The backward pawn on b5 becomes a target 22...Rd8 23.Bf1 (23.Nb5? Qg5 24.Rd8 Nd8-+) 23...Nd4 24.ed4 Kg7 25.Re1 Re8 26.Re3 Bc6 27.Re8 Re8 (worse 27...Be8 28.Bc4 Qd6 29.Be2+/-) 28.d5 Bd7 (28...Bd5 29.Qb5 Re5 A) 30.Bc4?? Bg2 31.Qd7 Rg5 32.Qf7 Qf7 33.Bf7 Be4 (33...Kf7?! 34.f4 Rg3 35.Kh2 Rh3 36.Kg2 Rc3 37.Ra7 Kg8 38.Ra8 Kg7 39.Ra7 Kh6 40.Rd7-/+) 34.Kh2 Rg2 35.Kh1 Rf2 36.Kg1 Rf7-+; B) 30.Qb2=+) 29.Rd1= Re5 30.Qd2 Re8 31.d6 Qe5 32.g3 Qf6 (32...Ra8 33.Qb2=) 33.Rb1 (33.Bg2 Re6+=) 33...Qf3 34.Qd4 Qf6 35.Qd2 Ra8 36.Bg2 Rb8 (36...Ra6 37.Rd1=) 37.Rd1 b4 38.cb4 c3 39.Qd3 Rb4 40.Rc1 Rb2 (40...Rb6 41.Rc3 Rd6 42.Qe3=) 41.Qc3 Rf2 (41...Qc3!? 42.Rc3 Rd2=) 42.Qf6+/- Rf6 (42...Kf6?? 43.Kf2 Ke5 44.Rd1+-) 43.Rd1 h6 44.h4 Kg8 45.Bd5 Kg7 46.Bc4 Rf3 47.Kg2 Rf5 48.Rd4 Rc5 49.Re4 (49.Kf3!?+=) 49...Bc6= 50.Kf2 Be4 51.d7 Rc4 52.d8Q Bf5 ½-½. avojin (2555) - jk1970 (2575), gameknot.com, 2021.

10.Be2 Bf5 11.Qb3 a6 12.a3 Ba5 13.Nc3 Bc3 14.Bc3 b5 15.0-0 c4 16.Qb2 Nc3 17.dc3 Qf6 18.Rfd1 Rfd8 19.Nd4 Rab8 20.a4 Nd4 21.ed4 h5 (21...Be4 22.ab5 ab5 23.f3=) 22.Qd2 (22.ab5 ab5 23.Ra5 Qe6+=) 22...Kg7 23.ab5 ab5 24.Rac1 Ra8 25.Qb2 Bd7 26.Bf3 Rab8 27.Be2 (27.Ra1 Qd6+=) 27...Qg5 28.Qd2 Qd2 29.Rd2 Ra8 30.Bf3 Ra3 31.Rb2 h4 32.Rbb1 Re8 33.h3 Re6 34.Rb2 f5 35.Bb7 Rb6 36.Bf3 Rba6 37.Bb7 Ra7 38.Bd5 Kf6 39.f4 Ke7 40.Rbc2 Kd6 41.Bg8 (41.Bf7!?=) 41...Bc8 (41...Bc6 42.d5 Rg7 43.dc6 Rg8 44.Re1-/+) 42.d5 (42.Re1 Rg7 43.Re8 Bb7 44.Rd8 Kc7-/+) 42...Re7 (42...Rg7 43.Be6 Be6 44.de6 Ke6 45.Rb2-+) 43.Rb2 Kc5 44.Rd2 (44.Kf2 Re4-/+) 44…Bd7 0-1. marekt – Hypotenuse, ChessWorld.net, 2020.

10.Be2 Bf5 11.Qb3 a6 12.Nc3 Bc3 13.Bc3 b5 14.0-0 c4 15.Qb2 Nc3 16.dc3 Qf6 17.Rfd1 Rfd8 18.Nd4 Nd4 19.ed4 Rab8 20.a4 Re8 21.Bf1 (21.ab5 ab5 (worse 21...Rb5 22.Qa2+/-) 22.Bf3 Qd6=) 21...h5 (21...Be4 22.ab5 ab5 23.Ra5=) 22.ab5+= ab5 23.Re1 Bd7 24.Re8 Re8 25.Qd2 Bf5 26.h3 Kg7 27.Rd1 h4 (27...Be4 28.Re1=) 28.Qc1 (28.d5 Re5=) 28...Rc8 (28...Be4 29.Re1=) 29.Qb2 Bd7 30.Ra1 Qe7 31.Rc1 Re8 32.Qd2 Bf5 33.Rd1 Rc8 (33...Qd6 34.Ra1=) 34.Rc1 (34.Re1 Qf6+=) 34...Re8 35.Rd1 Qf6 (35...Qe4 36.d5=) 36.Qc1 (36.d5 Bd7=) 36...Rc8 (36...Be4 37.Qb2 Qg5 38.Qb4=) 37.Qb2 Bd7 38.Rb1 Ra8 39.Re1 Qd6 (39...Bc6 40.Ra1 Ra1 41.Qa1=) 40.Qd2 Bc6 41.Rd1 Qd5 42.Qb2 Bd7 (42...Re8 43.Ra1=) 43.Re1 (43.Be2 Re8+=) 43...Qd6= 44.Qd2 Bc6 45.Rd1 Qd5 46.Qb2 Rh8 47.Qd2 Ra8 48.Qb2 Qg5 (48...Re8 49.Ra1=) 49.Re1 (49.d5 Bd7 (worse 49...Bd5 50.Qb5 Rd8 51.Rd4+/-) 50.Kh2 Ra6=) 49...Ra4 50.Rd1 Bd7 51.Kh1 Qe7 52.Kg1 Qg5 53.Kh1 Qf6 54.Kg1 Qa6 55.Qe2 Qf6 56.Qb2 Qg5 57.Kh1 Qd8 58.Kg1 Qg5 59.Kh1 ½-½. avojin (2555) - tbre0022 (2575), gameknot.com, 2021.

10.Be2 Bf5 11.Qb3 Nb6 12.a3+= Ba5 13.Nc3 Rc8 14.0-0 Re8 15.Rac1 c4 16.Qa2 Bd3 17.Rfd1 Bc3 18.dc3 Na4 19.Bd3 cd3 20.c4 Nc5 21.Ba1 Re6 (21...f6 22.Bd4 Nd4 23.ed4=) 22.Qb2= f6 23.Nd4 Nd4 (23...Re7 24.Nb3 Nb3 25.Qb3=) 24.ed4= Re2 25.Qc3 d2 26.Rb1 (26.Rd2? Rd2 27.Qd2 Nb3–+) 26...Na4 27.Qd3 White plans d5 27...Qe7 28.g3 b5 29.c5 Re1 30.Kg2 Qb7 31.d5 Rc5 32.Rd2 (32.Re1 de1N 33.Re1 Rd5=) 32...Rb1 33.Qb1 Rd5 34.Qe4 Rd7 35.Qb7 Rb7 36.Bf6 Kf7 37.Bd8 Ke6 38.Re2 Kd7 39.Ba5 Nb6 40.Bb4 Nc4 41.Re7 Kc6 42.Re6 Kd5 43.Ra6 Rc7 44.h4 Rd7 45.Bc3 Re7 46.Bb4 Rc7 47.Bc3 Rd7 48.Bb4 ½–½. forsetinn (2235) – bollewillem (2255), gameknot.com, 2014.

10.Be2 Bf5 11.Qb3 Be6 12.Qc2–/+.

9.Qb3 Nc6 10.Qc2 Ne5 11.Ne5 Qg5 12.Nf3?? (better is 12.Nf7 Rf7 13.Bf7 Kf7 14.0-0–+) 12...Qg2–+ 13.Rg1 Qf3 14.Bd3 Nd5 15.Bh7 Kh8 16.Rg3 (16.Be4 Ne3! 17.fe3 (17.Bf3?? Nc2 18.Kd1 Na1–+) 17...Qe3 18.Kf1 Bh3 19.Rg2 Qf4 20.Kg1 Bg2 21.Kg2 Qg4 22.Kh1–+) 16...Qh1 17.Ke2 Nf4! 18.ef4 Re8 19.Kd3 Qd5 0–1. olawoj – zaliko, internet, 2013.

9.Bb3 c4 10.Bc2 Nc6 11.Bb2 Qd7 12.h4 Qg4 13.0-0 f5 14.Nc3 Bd7 15.Ne2 Bd6 16.Ned4 f4 17.ef4 Rf4 18.Nb5 Be7 19.Nc7 Raf8 20.Ne5 Qh4 21.Nd7 Nd7 22.Ne6 Rf2 23.Nf8 Rg2 24.Kg2 Bf8 25.Qf3 Qg5 26.Kf2 Nf6 27.Bf6 gf6 Normal 1-0. dimm209 (1960) - dagenssuppe (2035), Rated Blitz game, lichess.org, 2016.

9.Bb3 Nc6 10.0-0 (10.a3 Ba5=+) 10...Bg4 (10...c4 11.Bc2=+) 11.Bg3 (11.Bc3 Bc3 12.dc3 Qf6–/+) 11...Qf6 12.Nc3 Rad8 13.Qe2? (13.Ne4!? Qg6 14.a3 Qe4 15.Bc2–/+) 13...Rfe8 (13...Rd2 14.Qd2 Bc3 15.Qc1 Bf3 16.gf3–+) 14.Bh4? (14.Qb5–+) 14...Qh4! 15.Nh4 Be2 16.Ne2 Rd2 17.Ng3 c4 18.Nf3 Rb2 19.Bd1 c3 (19...Ba3 20.Nf5–+) 20.Bb3 a5 21.Rab1 a4 22.Rb2 cb2 23.Bc2 Nc4 24.Ba4 (24.Rb1 a3–+) 24…Na3 0–1. tsodikovich (1780) – atadros (2025), gameknot.com, 2015.

9.0-0 Nb6 10.Be2 Ne5 11.Ne5 (11.Ne5 Qf6 12.f4=+). Simon de Balle – michail, ChessWorld.net, 2005.

9.0-0 Be6 10.Qc2 Ne5 11.Ne5 Qd6 12.f4 (12.Nd3!?+=) 12...Nf4!–/+ 13.ef4 (13.ef4 Qd4 Double attack; 13.Rf4 Qe5 Remove defender) 13...Qd4 14.Kh1 Bc4 (14...Qa1 15.Nc3 Qf1 16.Bf1+–) 15.Nc4 Qa1 16.f5 (16.a3 b5 17.ab4 bc4 18.bc5–+) 16...b5 17.Ne3 Qd4 18.a3 Ba5 19.f6 g6 (19...gf6?! 20.Nf5 Qe5 21.Ne3–+) 20.Nf5 (20.Nc3–+) 20...gf5 21.Qf5 Kh8 22.Rf4 (22.Rc1 Rae8–+) 22...Rae8 23.h3 (23.Rf1–+) 23...Bc7 24.Qg5 Re1 0–1. ognos – kuort, internet, 2013.

9.a3 Ba5 10.Bb2 Bg4 11.h3 (11.Qc2 Bc7+=) 11...Bh5 (11...Bf3 12.Qf3 Ne3 13.fe3 Qh4 14.g3 Qc4 15.Bc3–+) 12.g4 Bg6 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Be4 16.Qd8 Rad8 (16...Nd8?! 17.Be2=) 17.Ke2? (better is 17.Be2 Ne5! 18.Ne5 Bh1 19.f4–+) 17...a6 (17...Bf3 18.Kf3 Ne5 19.Kf4 Nc4 20.Rhd1–+) 18.Rhd1?? (better is 18.Ba2+=) 18...Bf3–+ 19.Kf3 Ne5 20.Ke2 Nc4 21.a4 b5 22.ab5 ab5 23.Rdb1 Rb8 24.Ra5 Rfd8 25.Rab5 Rb5 26.Rb5 Rc8 27.Kd3 Ne5 28.Ke4 f6 29.Kd5 Nd3 30.f4 c4 31.f5 Nf2 32.Rc5 Rc5 33.Kc5 Nh3 34.Kc4 Nf2 35.Kd5 Ng4 36.e4 Ne5 37.c4 Kf8 38.c5 Ke7 39.c6 Nc6! 40.Kc6 h5 41.Kd5 h4 42.e5 h3 43.Ke4 h2 0–1. combijack (1765) – selecternervo (1620), gameknot.com, 2009.

9.a3 Nb6 10.Be2 Ne5 11.Ne5 Ba5=+.

9.a3 Ne5 10.Ne5 Ba5 11.0-0 Bc7 12.d4 Be6 13.Bd5 Bd5 14.Nc3 Be6 15.Nf3 cd4 16.ed4 Rc8=+ 17.Qd3? Bc4!–+ 18.Qd2 Bf1 19.Rf1 Ba5 20.Rc1 Qc7 21.Ne2 Bd2 22.Rc7 Rc7 23.Nd2 Rc2 24.Nf3 Re2 25.h3 Ra2 26.d5 Rd8 27.Nd4 Rd5 28.Nf3 b5 29.g4 Ra3 30.Kg2 0–1. Hoffmann,Klaus Peter – Bednarski,Jacek B, Bad Mergentheim, 1988.

9.Bb2 Nb6 10.Bb5=+.

9.Bb2 Re8 10.0-0 a6 11.a3 Ba5 12.Qb3 Be6 13.Nc3 Nc3 14.Be6 Ne2 Attacking the backward pawn on d2 15.Kh1 Re6 16.Rfe1 b5 17.Re2 c4 18.Qc2 h6 19.h3 Qd7 20.Rd1 Rd8 21.Nd4 Nd4 22.Bd4 Bb6 23.Bc3 Rd6 24.Qb2 f6 25.a4 Rd5 26.ab5 ab5 27.Ra1 Bc5 28.Ra6 Rb8 (28...b4 29.Bd4 Bd4 (29...Rd4?! 30.ed4 Qd4 31.Qc1+=) 30.ed4 b3–+) 29.Ba5?? (better is 29.Bb4!?–/+) 29...b4 (29...Qc8!? 30.Rf6 gf6 31.Qf6–+) 30.d4? (30.Qc2 b3 31.Qb1 Qc8–+) 30...cd3 (better is 30...Qc8!? 31.dc5 Qa6–+) 31.Rd2 Bf8 32.Qb3 Rbb5 33.f4?? (33.Rd3 Qf7 34.Rd5 Qd5 35.Qd5 Rd5 36.e4 Rd1 37.Kh2–+) 33...Ra5 (better is 33...Qc8 34.Rd3 Qa6 35.Rd5 Qe6–+) 34.Ra5+– Kh8 35.Rd5 (35.Rd5 Qf7 36.Qd3+–) 1–0. brother – mick47, internet, 2012.

9.Bb2 Re8 10.0-0 Bg4 11.h3 Bh5 12.a3 Ba5 13.Be2 Bc7 14.d4 (14.Nc3 Nc3 15.dc3 Qe7=+) 14...Bf3 15.Bf3 cd4 (better 15...Qd6!? 16.g3 Ne3 17.dc5 Qd1 (17...Nd1?! 18.cd6 Nb2 19.dc7=+) 18.Bd1 Nf1 19.Kf1 Rad8-+) 16.ed4 Qd6 17.g3 Rad8?? (better 17...Ne3!? 18.Qa4 Nf1 19.Kf1 Bb6-+) 18.Nc3 a6?? (better 18...Ne3 19.Nb5 Nd1 20.Nd6 A) worse 20...Bd6 21.Rfd1 (worse 21.Bd1 Bf8=+) 21...Kf8 22.Rab1+=; B) 20...Nb2 21.Ne8 Re8-/+) 19.Nd5+- (worse 19.Bd5 Qd7+-) 19...Bb8 20.Nf4 (20.Rc1!? Ba7+-) 20...Nd4 21.Qd4 Qd4 22.Bd4 Rd4 23.Rfd1 Rd1 24.Rd1 (24.Bd1?! Bf4 25.gf4 Re1 26.Kg2 g6+-) 24...b5 25.Bb7 a5 26.Bc6 Rc8 27.Bb5 g5 28.Nd3 Rc3 29.a4 Ba7 30.Ne5 Kg7 (30...Rg3 31.Kh2 Rc3+-) 31.Rd7 Rc1 32.Kg2 Bb6 33.Rf7 Kg8 (33...Kh8 34.Rb7 Bc7 35.Nf7 Kg8 36.Ng5+-) 34.Rf5 (better 34.Bd3 Kh8 35.Bh7+-) 34...h6 (34...Bd4 35.Rg5 Kf8 36.Bd3+-) 35.Bc4 Kg7 (35...Rc4 36.Nc4 Bd4+-) 36.Rf7 Kg8 37.Rb7 (37.Be6 Rd1 38.Re7 Kf8 39.Ng6) 37...Rc4 38.Nc4 Bc5 39.Rb5 Bd4 40.Ra5 Kf7 41.Rf5 (41.Rd5!? Bc3+-) 41...Ke6 42.g4 h5 (42...Bc3 43.h4! gh4 44.a5+-) 43.a5 hg4 44.hg4 Bc3 45.Rg5 Kf6 46.Rf5 Ke6 47.a6 Bd4 48.Ne5! Ba7 (48...Be5 49.a7 Passed pawn) 49.Nc6 Bb6 50.a7 (50.Rb5 Kd6 51.Rb6 Kc5 52.g5 Kb6 53.a7 Kb7 54.g6 Ka6 55.a8Q Kb6 56.g7 Kc5 57.Qa5 Kc6 58.g8Q Kd6 59.Qgd5 Ke7 60.Qad8) 50...Ba7 51.Na7 Kd6 52.Kf3 Ke6 53.Ke4 Kd6 54.Kd4 Ke6 55.f3 Kd6 Black threatens to counter with Rf4 56.Rf6 Kc7 (56...Ke7 57.g5 Kd7 58.Rf7 Kd6 59.f4 Ke6 60.g6 Kd6 61.g7 Ke6 62.g8Q Kd6 63.Qg6) 57.Kc5 (57.Rf7 Kd6 58.g5 Ke6 59.g6 Kd6 60.g7 Ke6 61.g8Q Kd6 62.Qg6) 57...Kb7 (57...Kd7 58.g5 Kd8 59.Kd6 Ke8 60.f4 Kd8 61.Rf8) 58.Kb5 (58.Rf7 Ka6 59.Nc8 Ka5 60.Ra7) 58...Ka7 (58...Kc7 59.g5 Kb7 60.Rf7 Kb8 61.Kb6 Ka8 62.Rf8) 59.Rf7 Kb8 60.Kc6 Kc8 (60...Ka8 61.Kb6 Kb8 62.Rf8) 61.Rf8 1-0. brother - artchess (1760), internet, 2013.

9.Qb3 Na5 10.Qc2 Nc4 11.Qc4 Be6 12.Qg4?? (better is 12.Qc2–/+) 12...Bg4–+ 0–1. elsh1403 – pain83, internet, 2013.

9.Bd5 Qd5 10.Bc3 Bg4 11.a3 (11.h3!? Qh5 12.0-0 Bf3 13.Qf3 Qf3 14.gf3-/+) 11...Bc3-+ 12.Nc3 Qh5 13.Ne4 Rfe8 (13...Ne5!? 14.Ng3 Qh6 15.0-0-+) 14.Ng3-/+ Qd5 15.h3 Bf3 16.Qf3 Qf3 17.gf3 Nd4 18.Rc1 Nf3 19.Ke2 Nd4 20.Kf1 Ne6 21.Rg1 b6 22.h4 (22.f4 g6-/+) 22...Rad8-+ 23.Ne4 Kf8 24.a4 (24.Rc2 h6-+) 24...h5 (24...f5 25.Ng3-+) 25.a5 g6 (worse 25...ba5 26.Nc5 Rd2 27.Ne6 Re6 28.Rc8 Re8 29.Re8 Ke8 30.Rg5=+) 26.ab6 ab6 27.Rb1 Ng7 28.f3 Re6 29.Ke2 Nf5 30.Ng5 Rc6 31.Rh1?? (better 31.Rb2-+) 31…Ng3 (31...Ng3 32.Kf2 Nh1 33.Rh1 Rd2 34.Kg3 c4-+) 0-1. Wlassewitch,S (1790) - Omelja,A (2475), 35th Cappelle Open, 2019.

10.0-0 a6 11.h3 (11.a3 Ba5=) 11...Bh5 (11...Be6 12.a3 Ba5 13.Qc2=) 12.Be2 (12.a3 Ba5=+) 12...Qe7 (12...b5 13.a3 Ba5 14.Qc2=+) 13.d4 (13.a3 Ba5=) 13...Rad8 14.Qb3 (14.a3 Ba5 15.Qc2 cd4 16.Nd4 Ne3 17.Nc6 bc6 18.fe3 Qe3 19.Kh1 Qe2 20.Qe2 Be2 21.Rc1-+) 14...cd4-/+ 15.Bd4 Nd4 16.Nd4 Be2 17.Ne2 Qe5 18.Nd4 Bd6 Do you see the mate threat? 19.g3 Bc5 20.Nc2 Be3 21.Ne3 (21.Kg2 Bc5-+) 21...Ne3 22.Qe3 Qa1 23.Nc3 Qb2 24.Rb1 (24.Re1 Qd2-+) 24...Qd2 (better 24...Qc2!? 25.Re1-+) 25.Qd2 Rd2 26.Rb7 Rc8 27.Ra7? (27.Kg2-+) 27...h6 28.Ne4 Rd1 29.Kg2 f5 (29...f5 30.Nf6 gf6 31.Ra6 Kf7 32.Ra7 Ke6-+) 0-1. Van Gool,P - Vennix,H, corr Netherlands, 1993.

10.0-0 Nb6 11.Bb5=+.

10.0-0 Nb6 11.Be2 c4 12.Nc3 Re8 13.h3 Bh5 14.a3 Ba5 15.Rc1 Bg6 16.Nb5 Bd3 (16...Qd7 17.Nbd4+=) 17.Nbd4 Nd4 18.Nd4 Rc8 19.Bd3 cd3 20.Nb3 Nc4 d2 gets attention (20...Rc1 21.Qc1 Qd5 22.Na5 Qa5 23.Bd4=) 21.Bd4 (21.Bg7 Qg5 22.Bd4+/–) 21...Bc7 (21...Qg5 22.Na5 Na5 23.Ba7=) 22.Nc5 (better is 22.Rc4 Bh2 23.Kh2 Rc4 24.Qg4+– (24.Ba7?! b6=)) 22...Qd6= 23.g3 b6 (23...Na3 24.Qg4 (worse is 24.Nd3 Nb5–/+) 24...Qg6 25.Qg6 hg6 26.Nb7=) 24.Nd3 Qe6 25.Kg2 Qe4 26.f3?? (better is 26.Kg1 Qd3 27.Qg4=) 26...Qd3–+ 27.Rc3 Qg6 (27...Qd2?! 28.Qd2 Nd2 29.Rfc1–/+) 28.Rc4 (28.f4 Bd6 29.Qc1–+) 28...Qg3 0–1. lllllll21 (1605) – s1888s (1890), internet, 2013.

10.0-0 Nc7 11.d3 Qe7 (11...b5 12.Bb3=+) 12.Nbd2 (better 12.a3 Ba5 13.h3=+) 12...Ne5?? (12...b5 13.Bb3=+) 13.h3?? (better 13.Be5 b5 14.Bb3 Bd2 15.Qd2 Bf3 16.Bc7 Bg2 17.Kg2 Qc7 18.Rg1+-) 13...Nc4 (13...Bd2!? 14.hg4 Nc4 15.dc4 Ba5=+) 14.Nc4= Bh5 (better 14...Bf3 15.Qf3 b5+=) 15.Ncd2?? (15.g4 b5 16.Nce5+/- (16.gh5?! bc4 17.dc4 Rfd8=)) 15...Rad8 (15...Bd2 16.Qd2 Bf3 17.gf3-/+) 16.Qb3 (16.Nc4 Nd5=+) 16...Bg6 (16...Bd2!? 17.Nd2 Be2-/+) 17.d4=+ b6 18.Nc4 Ne6 (18...b5 19.dc5 Bc5= (worse 19...bc4 20.Qb4 Bd3 21.Rfc1+=)) 19.a3+/- Ba5 20.Na5 (20.d5!? Ng5 21.Nfe5+/-) 20...ba5= 21.d5 Ng5 (21...Nc7 22.Rfd1 Be4 23.Qc3=) 22.Ng5 (22.Ne5!? Be4 23.Rfd1+/-) 22...Qg5= 23.Qc3 Be4 24.g3 (24.f3 Bd5 25.Qc5 Rc8 26.Qa7 Be6+=) 24...Bd5 (24...Rd5 25.Rfd1 f6 26.Rd5 Qd5-/+ (worse 26...Bd5 27.Qc5 Rb8 28.Rd1+=)) 25.Qc5= Qh5?? (better 25...Qf5 26.Qd4 f6=+) 26.e4+- (26.Qa5?? Qh3 27.e4 Be4-+; 26.Qa7?? Qf3 27.e4 Be4 28.Qf7 Rf7 29.Bg7 Qg2) 26...Qe2 (26...f6 27.ed5 Rd5+-) 27.ed5 (better 27.Qd4 f6 28.ed5+-) 27...Qb2+/- 28.Qa5 h6 29.a4 Rfe8 30.Qc5 (30.Rfe1 Qd4 31.Kg2 a6+/-) 30...Re5 (30...Qb7 31.d6 Qd7 32.Rfd1+=) 31.Qa7+/- Red5 32.a5 Rd2 33.a6 Rf2?? (33...Qc3 34.Qe3 Qc8 35.Qe4+/-) 34.Rf2 (better 34.Qf2 Qe5 35.Qf7 Kh8 36.Qf3 Qd4 37.Kg2+-) 34...Qa1+= 35.Kg2 Rd1? (35...f6 36.Qb7+/-) 36.Qa8?? (better 36.Qf7 Kh7 37.Qf5 g6 38.Qf7 Qg7 39.Qg7 Kg7 40.Ra2+-) 36...Kh7+/- 37.Qe4 (37.Rf7?! Qe5 38.Qb7 Ra1=) 37...Kg8 (37...Kh8 38.Qb7 Kh7 39.Qf3 Rg1 40.Kh2+=) 38.Qe8 (better 38.Qf3!? Re1 39.Qf7 Kh7 40.Qf5 Kg8 41.Qc8 Kh7 42.Qc2 Kg8 43.Qc6+-) 38...Kh7+= 39.Qe2 (39.Qc6 Rg1 40.Kh2 Re1=) 39...Rg1= 40.Kf3?? (better 40.Kh2 Rh1 41.Kg2 Qg1 42.Kf3 Rh3 43.Qd3 Kg8 44.Kg4 Qf2 45.Kh3=) 40...Qf6 (40...Qa3!? 41.Kf4 Qg3 42.Ke4 Qh3 43.Qc2-+) 41.Ke3 Qe5 42.Kd2 (42.Kd3 Rg3 43.Rf3 Qd6 44.Ke3 Qe6 45.Kd2 Rg2-+) 42...Qb2 (42...Qa5 43.Kc2 Qa2 44.Kc3 Rg3 45.Kd4 Qa4 46.Qc4 Qd7 47.Ke4 Qe7 48.Kd5 Qe6 49.Kd4 Qe3 50.Kd5 Qf2 51.Kc6-+) 43.Ke3 Qe5 44.Kd2 Qb2 45.Kd3?? (45.Ke3 Qc1 46.Kf3 Qc3 47.Kf4 Qg3 48.Ke4 Qh3 49.Qc2-+) 45...Rg3-+ 46.Rf3 Qb3 47.Kd4 (47.Ke4 Qe6 48.Kd3 Qa6 49.Ke3 Qe2 50.Ke2 Rf3 51.Kf3-+) 47...Qf3 (47...Rf3 48.Qd2 Qe6 49.a7 Qd6 50.Ke4 Qd2 51.Kf3 Qc3 52.Ke2 Qb2 53.Kf1-+) 48.Qc2 (48.Qf3 Rf3 49.a7 Ra3-+) 48...g6 49.a7 Qf4 (49...Qf6 50.Kd5 Rg5 51.Ke4 Qe6 52.Kf3 Qh3 53.Ke4 Qh4 54.Ke3 Rg3 55.Kd2 Qd4 56.Kc1 Rg1 57.Qd1 Qc3 58.Kb1 Rd1 59.Ka2 Ra1) 50.Kd5 Ra3 51.Qc5 Qf5 52.Kc6 Qc5 (52...Qc8 53.Kd5 Qd7 54.Qd6 Qb5 55.Qc5 Rd3 56.Ke4 f5 57.Ke5 Qc5 58.Ke6 Kg7 59.a8Q Qd6) 53.Kc5 Ra7 54.Kd4 (54.Kd5 Ra3-+) 54…Ra3 (54...Ra3 55.Ke5 Rh3-+) 0-1. fishissushi (1840) - Papaistdumm (1835), Rated Blitz game, lichess.org, 2020.

10.a3 Ba5 11.0-0 Bc7 12.h3 Bh5 13.Nc3 Nb6 14.Be2 Re8 15.Nb5 Bb8 16.Rc1 a6 17.Nc3 Qd6 18.g3 Bc7 19.Qc2 Rad8 20.Ne4 Qe7 21.Nc5 Bg6 22.Qc3 f6 23.Nb7 Na4 24.Qc6 Rc8 25.Qc4 Bf7 26.Qa4 Bg3 27.fg3 Qb7 28.Bd4 Ra8 29.Rb1 Qe4 30.Qb3 Bb3 31.Rb3 Rab8 32.Rc3 Rec8 33.Bd3 Qe6 34.Rfc1 Rc3 35.Rc3 Rc8 36.Rc8 Qc8 37.Kg2 Kf7 38.Kf2 g6 39.g4 h6 40.Kg3 f5 41.Ne5 Ke6 42.gf5 gf5 43.Kf4 Qc7 44.Bf5 Kf6 45.Be4 a5 46.Kf3 Ke6 47.Bd5 Kd5 48.Nd3 Qf7 49.Nf4 Kc4 50.d3 Kb3 51.Bc5 a4 52.Bb4 h5 53.e4 Qb7 54.Ke3 Kc2 55.Nd5 Qa7 0–1. lllllll21 – hellplayer (1675), internet, 2014.

10.h3 Bh5 11.0-0 Re8 12.Be2 Qe7 13.Qb3 (13.a3 Ba5=+) 13...Rad8 (13...Nf4 14.ef4 Qe2 15.Re1-/+) 14.d4 (14.a3 Ba5=+) 14...cd4-/+ 15.Bd4 Nd4 16.Nd4 Be2 17.Ne2 Rc8?? (better 17...Qe5 18.Na3 Ne3 19.fe3 Qe3 20.Qe3 Re3=+) 18.a3?? (better 18.Qd5 Red8 19.Qf5+-) 18…Nc3 1-0. fishissushi (1830) - Pareja (1900), Rated Blitz game, lichess.org, 2020.

9.a3 Ne5 10.Ne5 Qf6 11.ab4 Qe5 12.d4 cd4 13.ed4 Qe7 14.0-0 Qb4 15.Na3 Nc3–+ 16.Qd2 Qd4! 17.Qb2 Ne2 18.Qe2 Bg4 19.Qe7 Qd7 20.Qd7 Bd7 21.Rfd1 Ba4 22.Rab1? (22.Rdb1 Bc6 23.Nc4–+) 0–1. Dziel,Jaromir – Amrane,MS, corr ALG–Poland m, 1999.

9.Bb2 Ba5 10.0-0 Bc7 (10...N7f6 11.Qc2=) 11.Nc3+= Nc3 12.Bc3 b6 (12...Nf6 13.Qc2+=) 13.Qb3 (13.d4 Qe7+=) 13...Bb7 (13...Nf6 14.Qb2=) 14.Qb2 f6 (14...Nf6 15.d4 Qe7 16.dc5 bc5 17.Bf6 (17.Qb7? Bh2 18.Nh2 Qb7 19.Bf6 gf6–+) 17...gf6 18.Qc2= (18.Qb7? Bh2 19.Nh2 Qb7–+)) 15.d4 Qe8 16.Rfd1 (16.Qb5 Rc8+=) 16...Rc8 (16...Qf7 17.Rac1+=) 17.a4 (17.Qb3 Kh8+–) 17...Qe4 (17...cd4 18.Nd4 Qg6 19.f3+=) 18.Bd3 (18.Bc4 Kh8+=) 18...Qe7 (18...Qe6 19.Qb5 Bf3 20.gf3+=) 19.d5+– Bd6 (better 19...Bd5!? 20.Bh7 Kh7 21.Rd5 Rcd8 22.Qc2 Kg8+–) 20.Bf5+– Rb8 21.Nh4 ½–½. Abreu Suarez,Isauro (1995) – Rodriguez Gonzalez,Javier (2235), 24th Torneo De Navidad Fundacion Cajaca, 2013.

9.Bb2 Re8 10.0-0 Qe7 (10...b6 11.Bc4 Bb7 12.d4=) 11.Qc2 N7f6 (11...b6 12.d4=) 12.Nc3 (12.Rc1 b6=) 12...Nc3 (12...Bc3 13.dc3 Bg4 14.Rfe1=) 13.dc3 Ba5 14.Rfd1 (14.Rad1 Bg4=) 14...Bd7 (14...Bg4 15.c4=) 15.c4 Bc7 16.Bf6 (16.Ng5 Be5=) 16...Qf6 17.Bd3 g6 18.Be4 Bc6 (18...Rab8 19.Rab1 Bc8 20.Rb3=) 19.Bc6+= Qc6 20.Rab1 (20.Rd5 Rad8 21.Rad1 b6=) 20…Rad8= ½–½. Melich,Jindrich (2080) – Zayed,Ali Al Hamed (1980), Calvia ESP, 2014.

9.Bb2= N7f6 10.0-0 =.

8.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3).

8.Bb2 Re8 9.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5).

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bf5 8.cd5 Nd5).

9.a3 Ba5 10.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bf5).

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Bg4 8.cd5 Nd5).

9.Be2 Re8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

9.Be2 Re8 10.0-0 Qe7 11.a3 Ba5 12.h3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Ba5 12.h3).

9.Be2 Re8 10.0-0 Qe7 11.Nd4 Be2 12.Ne2 Rad8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.Nd4 Be2 12.Ne2 Rad8).

8.a3 Nc6 9.Bb5 Ne5 10.Be8 Qe8 11.ab4 Nd3 12.Kf1 N5b4 13.Nc3 Bg4 14.h3 Bh5 15.g4 Bg6 16.Kg1 Be4 17.Ne4 Qe4 18.Nd4? Qh1!–+ 19.Kh1 Nf2 20.Kg1 Nd1 21.Rd1 a5 22.Rc1 c6 23.Rc3 a4 24.Ra3 b5 25.Kf2 Ra5 26.Nb3 Ra7 27.Ke2 Kf8 28.d4 ab3 (28...ab3 29.Rb3 Nd5–+; better is 28...Nc2!? 29.Ra1 ab3 30.Rb1–+) 0–1. Gajda,Leszek – Sternik,Ryszard, corr 2. AMM, Poland, 1993.

8.Bb2 b6 9.Be2 Bb7 10.0-0 Nd7 11.Na3 Ba3 12.Ba3= Qf6 13.Rc1 Rad8 14.Re1 c5 15.Qa4 Bc6 16.Qh4 Qg6 17.Qg3 Qh6 18.Rc4 N7f6 19.Ne5= Nd7 20.Rh4 Qd6 21.Nc6 Qc6 22.Bb2 N5f6 23.Bd3 g6 24.a4 Qd5= 25.e4 Qb3 26.Bc3 c4 27.Bf1 Nd5 28.Rh7?? N7f6?? 29.Rh6 Kg7?? 30.e5 Ng8? 31.e6+/– Nc3 32.ef7+– Ne2 33.Re2 Qg3 34.fe8Q Re8 35.hg3 Re2 36.Rg6! Kg6 37.Be2 Ne7 38.Bc4 Kf5 39.Kf1 Ke5 40.Ke2 Kd4 41.Bb5 Nd5 42.Kf3 Nc7 43.g4 a5 44.g5 Ke5 45.Bd3 b5 46.ab5 Nd5 47.Bc2 Nb6 48.Kg4 a4 49.Kh5 a3 50.Bb3 (50.Bb3 Nd7 51.g6 Nf6 52.Kh4+–) 1–0. Ekstrom,Roland – Hug,Werner, Switzerland, 1990.

8.Bb2 Ne3 9.fe3+/- Re3 10.Kf2 (10.Be2 Re7+/-) 10...Re8 11.Bc4 Nc6 12.Re1 Re1 13.Qe1 (13.Ne1? Qh4 14.Kg1 Qc4-+) 13...Bc5 14.Kf1 Bg4 15.d4 (15.Qg3 h5+/-) 15...Bf3 (15...Nd4!? 16.Qe5 Bf3 17.Qc5 Ne6+=) 16.dc5+/- (worse 16.gf3 Bd4 17.Bd4 Qd4=+) 16...Bh5 (16...Bd5!? 17.Be2 Qg5+/-) 17.Nd2+- Na5? (better 17...Qd7 18.Ne4 Rd8+-) 18.Bd3?? (better 18.Qe5 Qf6 19.Qf6 gf6 20.Bb5+-) 18...Qd3-+ 19.Kg1 f6 (better 19...Rd8 20.Qe5 f6 21.Qh5 Qe3 22.Kh1 Qd2 (22...Rd2?! 23.Bc3 Rc2 24.Qd5 Kf8 25.Qd8 Qe8 26.Qd3 Rc3 27.Qc3=) 23.Bf6 gf6 24.Qg4 Kh8-+) 20.Qh4?? (20.Ne4 Qa6-+) 20...Bg6 (better 20...Qd2 21.Qh5 Qb2-+) 21.Qb4 Re8 22.Nf3 Qe3 23.Kh1 Be4 (23...Be4 24.Re1 Qd3 25.Qa5 Kf8+/-) 0-1. fishissushi (1810) - aleksic78 (1870), Rated Bullet game, lichess.org, 2020.

8.Bb2 Nf6 9.Bc4 Be6 10.Qa4 c5 11.Bf6 gf6 12.Qc2 Nc6 13.a3 Ba5 14.Bd3 h5 15.0-0 Qd6 16.Nc3 Ne5 17.Ne5 fe5 18.Ne4 Qe7 19.Qc5 Qc5 20.Nc5 Bd2 21.Rad1 Ba5 22.Bb5 Re7 23.Ne6 Re6 24.Rd7 Rb8 25.Bc4 Rf6 26.Be2 h4 27.Bf3 Kf8 28.Bb7 Re6 29.Be4 Re7 30.Rd5 Bc3 31.Rfd1 Rc7 32.Rd7 Rd7 33.Rd7 a5 34.Kf1 Bb2 35.Bd5 Ba3 36.Rf7 Ke8 37.Ra7 Rb1 38.Ke2 Bb4 39.Bc6 Kd8 40.g4 Rb2 41.Kf1 Rc2 42.Be4 Rc1 43.Ke2 Re1 44.Kf3 Rh1 45.g5+– Rh2 46.Ra8 Ke7 47.g6 Be1 48.g7 Rf2 49.Kg4 Rf1 50.Kh3 (50…Rg1 51.Bg2 Rg2 52.Kg2+–) 1–0. Hiarcs 7.32 – InmiChess 2.16, Engine Games, 1999.

8.Bb2 Bf8 9.Be2= c5 10.0-0 Nc6 11.d4 Nb6 (11...Qb6 12.Qb3=) 12.Nbd2= Bg4 (12...Bf5 13.dc5 Bc5 14.Nb3=) 13.dc5+= Bc5 14.Nb3 Bf8 15.h3 (15.Nbd4 Nd4 16.Bd4 Rc8=) 15...Bh5 (15...Qd1 16.Rfd1 Be6 17.Nbd4=) 16.Rc1 (16.Nbd4 Rc8+=) 16...Na4= 17.Ba1 a6 (17...Ba3 18.Rb1 Qd1 19.Rbd1=) 18.Nbd4+/- Nd4 19.Nd4 (19.Bd4!? b5 20.Qb3+/-) 19...Be2+= 20.Qe2 Qg5 21.Qc2 (21.Rc7 Qd5+=) 21...b5= 22.Rfd1 Qg6 23.Qg6 hg6 24.Rc2 Rec8 25.Rdc1 Rc2 26.Rc2 (26.Nc2?? Rc8-+) 26...Nb6 27.Rc6 Nc4 28.Nb3 a5 29.Nd4 Na3 (29...Rd8 30.g4= (worse 30.Nb5 Rd1 31.Kh2 Ra1 32.Rc4 Ra2-/+)) 30.Bb2 (30.Bc3 Be7+=) 30...b4 (30...Nc4 31.Bc1 Ne5 32.Rc2=) 31.Ba3 ba3 32.Rc3 (32.Rb6 Bc5 33.Rb1 Rd8=) 32...Bb4 33.Rc7 Bf8 34.Nc2 (better 34.Rb7!?+=) 34...Rb8=+ 35.Rc3 Rb1 36.Kh2 Rb2 37.Na3 Ra2 38.Nc2 Bd6 39.f4 g5 40.Kg3 (40.Rc6 Be7=+) 40...gf4-/+ 41.ef4 g5 42.Kf3 Bf4 43.Nd4 (43.h4 a4-/+) 43...a4 44.Rc8 (44.g3 Bd2 45.Rc8 Kh7-/+) 44...Kh7 45.Nb5? (better 45.Ra8!?-/+) 45...Rb2-+ 46.Rc5?! (46.Nd4 a3 47.Ra8-+) 46...a3! 47.Na3 Rb3 48.Kg4 (48.Ke4 Ra3 49.Kf5-+) 48...Kg6 49.Rc6 f6 50.Rf6 Kf6 51.h4 Ra3 52.Kh5 (52.hg5 Ke5 53.Kh5 Rg3 54.Kg6 Bg5 55.Kg7 Bf6 56.Kf7 Rg2 57.Ke8 Ke6 58.Kf8 Bd4 59.Ke8 Rg8) 52...Rg3 53.Kh6 (53.hg5 Rg5 54.Kh4 Kf5 55.g4 Rg4 56.Kh5 Be5 57.Kh6 Rh4) 53...gh4 54.Kh5 (54.Kh7 Kf7 55.Kh8 Rg6 56.Kh7 Rh6) 54...Kf5 55.Kh4 0-1. zhivilodmitriy (1840) - Lance5500 (2615), lichess.org, 2017.

8.Bb5? Re5!–+ 9.Ne5 Qf6 10.0-0 Qe5 11.d4 Qg5 12.Qf3 (12.Bd3 Nc6–+) 12...Bg4 13.Qe4 c6 14.Qe8 Bf8 15.Bc4 Bd7 (15...Be6 16.Bd5 cd5 17.Kh1–+) 16.Qe4 Nf6 (16...Bd6 17.Rc1–+) 17.Qc2 Bf5 (17...Bd6 18.Nc3–+) 18.Bd3 (18.Qb3!? Bh3 19.Bf7 Kh8 20.g3–+) 18...Bd3–+ 19.Qd3 Nbd7 20.Nd2 Nd5 (20...Qh5 21.h3–+) 21.Nf3 (21.Rab1 N7b6–+) 21...Qg6 (21...Qf6 22.Qb3 Rb8 23.Qa4–+) 22.Qg6–/+ hg6 23.Rab1 (23.Rfb1 N7b6–/+) 23...N7b6 24.Rfc1 (24.Rb3 Rd8–/+) 24...Ba3 25.Rc2 (25.Rf1 Bd6–/+) 25...Re8 26.Ne5 Bd6 (26...Re7 27.e4 Nf4 28.g3–/+) 27.Nc4 (27.Nd3 Re7–/+) 27...Bc7 (27...Nc4 28.Rc4 Re7 29.h3–+) 28.Nb6 (28.Na5 Rb8–/+) 28...Bb6 29.a4 (29.Rb3 f5 30.g3 g5–/+) 29...Re7 30.Kf1? (30.h3 f5 31.Rcb2 f4–+) 30...f6 (better is 30...Re3!? 31.a5 Bd4 (31...Ba5?! 32.Ra2+=) 32.Rb7 Ra3–+) 31.Rb3 Kf7 32.Rcb2 Ke6 (32...f5 33.Rb1–/+) 33.a5 (33.Ke2 f5–/+) 33...Ba5 34.Rb7 Bb6 35.Re7 Ne7 36.Ke2 Nd5 (36...c5 37.dc5 Bc5 38.Ra2–/+) 37.Kd3 Kd6 (37...g5 38.h3–/+) 38.g3 a5 39.Kc4 (39.e4 Nb4 40.Kc4 g5–/+) 39...f5 40.Re2 (40.h4 a4–/+) 40...Bd8 (40...g5 41.g4 g6 42.Re1–+) 41.e4 (41.f3 Nb6 42.Kd3 c5–/+) 41...Nb6 (41...fe4 42.Re4 Bf6 43.h3–+) 42.Kd3 fe4 43.Ke4 a4 44.Kd3 Bf6 (44...c5 45.dc5 Kc5 46.Re5 Kd6 47.Ra5–+) 45.Rb2 (45.Rc2 g5–+) 45...Kc7 46.Ra2 Be7 47.f4 (47.h4 g5 48.h5 g4–+) 47...a3 (better is 47...g5–+) 48.Ke4 (better is 48.Kc2–+) 48...Nd5 49.Ra1 a2! 50.Kd3 (50.Ra2 Nc3 Double attack (50...Nc3 Decoy)) 50...Nb4 51.Kc4 Kb6 52.g4 Ka5 53.Kb3 (53.h4 Ka4–+) 53...Bf6 54.Kc4 Bd4! (54...Bd4 55.Kd4 Nc2 56.Kc3 Na1–+) 0–1. Subira Navarro,Oscar (1765) – Fabre Perez,Jose Maria (2035), 3rd Torneo de Primavera, 2015.

8.Qc2 Nc6 9.Bb2 Bg4 10.Be2 Nf4 11.ef4 Bf3 12.gf3 Qe7 (better is 12...Nd4 13.Bd4 Qd4+/– 14.Nc3 Bc5 15.Rf1 Rab8 16.f5+/–) 13.Nc3?? (better is 13.Qc4+/– Rad8 14.Kd1 Bc5 15.Bd3 Bd4 16.Bd4+/–) 13...Nd4–+ 14.Qe4 Bc3?? (better is 14...Qd7 15.Qd3 Bc3 16.Bc3 Re2 17.Kd1 Qa4 18.Kc1 Qa3 19.Kd1 c5–+) 15.Bc3= (15.dc3? Ne2 16.Qe7 Re7–+) 15...Ne2 (worse is 15...Qe4 16.fe4 Re4 17.Bd4 Rd4 18.Rb1+/–) 16.Qe7? (better is 16.Ke2! Qd7 17.Be5=) 16...Re7–+ 17.Kd1 Nc3 (17...Nf4 18.Rg1 g6 19.Kc2–+) 18.dc3 Rd8 19.Kc1 Re2 (19...Re2 20.Rb1 Ra2 21.Rb7 Ra1 22.Rb1 Rb1 23.Kb1 Rd2–+) 0–1. Van Rooijen,Peter – Slot, corr Netherlands, 1987.

8.Qc2 Bg4 9.Bb2 Bf3 10.gf3 Qg5 (10...Qh4 11.e4 Nd7 12.Rg1 Ne5 13.Be5–/+; 10...Nd7 11.Qf5 c6 12.Rg1 f6 13.f4+=; 10...Nc6 11.a3 Bf8 12.Bb5 Re6 13.Bc4+=) 11.Nc3 Nc6 (11...Bc3 12.dc3 Nc6 13.Bd3+=) 12.Ne4 (12.h4 Qd8 13.Nd5+=) 12...Ne3 (better is 12...Qh4!? 13.Rg1 g6=) 13.fe3+= (13.Ng5?? Ng2 14.Kd1 Re1) 13...Qe3 14.Be2 Rad8 15.Rd1 Nd4 16.Bd4 Rd4 17.Qc7 (17.Kf1 Qf4=) 17...Bd2 18.Kf1 (18.Nd2 Qe2) 18...Ree4 19.fe4 Qh3 20.Kf2 Qe3 21.Kf1 Qh3 ½–½. Kellermann – Ganesan,Arasu, corr ICCF, 1997.

8.Bc3 Nc3 9.Nc3=+ Bc3 (9...Nc6 10.Be2=+) 10.dc3= Qe7 (10...Nc6 11.Qd8 Rd8 12.Bb5=) 11.Be2 (11.Bd3 Nd7=+) 11...Nd7 12.0-0 Nc5 13.Nd4 (13.Qc2 Bd7=) 13...Ne4=+ 14.Bf3 c5 15.Nb5 (15.Nb3 Rd8 16.Qc2 Bf5=+) 15...Rd8–/+ 16.Be4 (16.Qe2!? Bf5 17.Be4 Be4 18.Rad1–/+) 16...Rd1 17.Rfd1 (17.Rad1 Bg4 18.f3 Bd7–+) 17...Bg4–+ 18.f3 Bd7 19.Nc7 (19.Nd6 Bc6 20.Rd3 Be4 21.fe4 b6–+) 19...Rc8 20.Nd5 Qe5 21.c4 (21.Bc2 g6 22.e4 Bc6–+) 21...Ba4 22.Rdc1 (22.Re1 Rd8–+) 22...Bc6 23.Bf5 (23.Rd1 Rf8–+) 23...Rd8 (23...Re8 24.e4 g6 25.Bh3–+) 24.e4 (24.f4 Qe8 25.e4 Bd5 26.ed5 Qe3 27.Kh1 g6–+) 24...b5 (worse 24...Bd5 25.cd5 c4 26.a4–+) 25.Ne3 (25.Rd1 bc4 26.f4 Qe8–+) 25...b4 26.Nd5 (26.Re1 g6 27.Bg4 Rd3–+) 26...Bd5 27.cd5 (27.Rd1 g6 28.Bh3 f5 29.ed5 Kf7–+) 27...g6 28.Bh3 c4! 29.Rab1 (29.Rc4 Qa1 Double attack (29...Qa1 Deflection)) 29...Qd4 30.Kh1 (30.Kf1 c3 31.Ra1 c2–+) 30...c3 31.g3 (31.Rc2 Qd3 32.Rcc1 c2–+) 31...Qd2 32.Bg2 (32.Ra1–+) 32...c2 33.Ra1 a5 34.Bf1 (34.h3–+) 34...a4 35.Bc4 Rc8 36.Bf1 0–1. Prasannaa S – Gusain,Himal, 2rd IIFL Wealth Mumbai International Ch, 2017.

8.Bc3 Nc6!?–/+.

8.Bc4 Nb6 9.Be2 Nc6 10.Bb2 Bf5 11.a3 Be7 12.d4 Bf6 13.0-0 Qd7 14.Qb3 a6 15.Rc1 Rad8 16.Nbd2 h6 17.Bd3 Bd3 18.Qd3 Ne5 19.Ne5 ½–½. Bonetti,Shane – Baer,Werner, TT–11 ETC, 2003.

8.Bc4 c5 9.0-0 (9.a3!? Ba5 10.Qb3+=) 9...Nc6 10.Bb2 Bg4 11.Nc3 (11.a3 Nb6 12.Bb5 Ba5=) 11...Bc3 12.Bc3 Nc3 13.dc3 Qf6 14.Be2 (14.Bd5 Red8 (worse 14...Qc3 15.Rc1 Qf6 16.Rc5=) 15.Qb3 Na5=+) 14...Qc3-/+ 15.Rc1 Qa5 16.Nd2 (16.Qb3 Re7-/+) 16...Be2 (16...Rad8 17.Bg4 Rd2 18.Qb3-/+) 17.Qe2-+ b6 (17...Qa2!? 18.Rfd1-+) 18.Nc4-/+ Qa6 19.Nd6?? (better 19.Rfd1-/+) 19...Qe2-+ 20.Ne8 Re8 21.e4 (21.a3 Rd8-+) 21...Qe4 22.Rcd1 Nd4 0-1. zomboeb (1630) - Aleksandr_1972 (2105), lichess.org, 2021.

8.Be2 Nc6 9.Bb2 (--> 1.b4 d5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2).

8.Bg3 Qf6 9.Bc4 (9.a3 Qa1 10.ab4 Nb4–+ (10...Qb2 11.Bc4 Nb4 12.0-0 Re7 13.Qa4 Nd7–+) 11.Bc7 Bf5 12.Nc3 Nc2 13.Ke2 Qa6–+) 9...Ne3! (worse is 9...Qa1 10.Bd5 Na6 11.Ng5–/+ Re7 12.Qc2 g6 13.0-0 Qf6–/+; 9...Nb6 10.Qb3 Nc4 11.Qc4 Qa1 12.Qb4 Na6 13.Qa4 Qb1–+) 10.fe3 Re3 (10...Qa1 11.Qb3 Re3 12.Qe3 Qb1 13.Ke2 Qf5+= (13...Qg6 14.Qe8 Bf8 15.Qc8 Qe4 16.Kf2 Qc4+/–)) 11.Kf1= Re8 (11...Re4!? 12.Qb3 (12.Bd3 Qa1 13.Be4 Qa2+=) 12...Qa1 13.Bf7 Kf8+/–) 12.Nc3+/– Na6 (12...c6 13.Qb3 Ba5 14.d4+/–) 13.Nd5 Qf5 (13...Qd8 14.Nb4 Nb4 15.Qb3+–; 13...Qc6+/–) 14.Nb4 (14.Qb1!? Qb1 15.Rb1 Be6+–) 14...Nb4 15.Qb3 (15.Qa4 Nc6+–) 15...c5+/– 16.Kf2 (16.a3 Nc6+/–) 16...Be6+= 17.Rhf1 Nc2? (better is 17...Bc4 18.Qc4 Qe4+/–) 18.Rab1?? (better is 18.Be6 Re6 19.Qb7+–) 18...Bc4+= 19.Qc4 Re4?? (better is 19...Na3 20.Qf4 Qf4 21.Bf4 Nb1 22.Rb1 b6+=) 20.Qc3+– (20.Qc2?! Re2 21.Ke2 Qc2=) 20...Nd4 21.Rbe1 (21.Rb7!? c4 22.Rfb1+–) 21...Rae8+/– 22.Re3 R4e6 23.Rfe1 b6 24.Re5 Qf6 (24...Re5!? 25.Re5 Re5 26.Be5 Nf3 27.gf3 f6 28.Qc4 Kh8+/–) 25.Re6+– Re6 (25...Ne6 26.Qf6 gf6 27.Re4+–) 26.Be5 (26.Be5 Qe7 27.Bd4 Re1 28.Ne1 cd4 29.Qd4+–) 1–0. Moscicki,Zbigniew – Wydrowski,Leszek, corr Poland, 1987.

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.a3 Ba5 7.cd5 Nd5 8.Nf3 Re8).

9.Bb2 Nc6 10.Be2 Re3 11.fe3 Ne3 12.Qb3 Ng2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Re3 11.fe3 Ne3 12.Qb3 Ng2).

9.Bb2 Qe7 10.Be2 Bf5 11.d4 c6 12.0-0 Nd7 13.Nc3 N7f6 14.Nd5 Nd5 15.Re1 h6 16.Bd3 Bd3 17.Qd3 Qe4 18.Rad1 Qd3 19.Rd3 Bc7 20.Rb3= Rab8 21.e4 Ba5 22.Re2 Nf4 23.Ree3 Ne6 24.e5 Nf4 25.Re4 Nd5 26.Nh4 g6 27.Nf3 Bb6 28.Ne1 c5 29.dc5= Bc5 30.Nd3 b6 31.Ra4 a5 32.Bc1 Kg7 33.Nc5+/– bc5 34.Rb8 Rb8 35.Rc4 Rb1 36.g3 Nb6 37.Rc5 Nd7 38.Rc7 Ne5 39.Kg2 g5 40.Bd2 Rb5 41.Bc3 Kg6 42.a4 Rd5 43.Ra7 Nc4 44.Ra6 Kh7 45.Rf6 ½–½. Kuhlmann,AEJ – Hoegen,D, corr, 1988.

9.d4 Be5 10.Ne5 Nd7 11.Nf3 c6 12.Qc2 N7f6 13.Bc4 g6 14.Nbd2 Bf5 15.Qb3 Qb6 16.Ne5+= Qb3 17.Nb3 Ng4 18.Ng4 Bg4 19.Bd5 cd5 20.Kd2 Rac8 21.Nc5 Kg7? 22.Rhc1 (22.Nb7!? Rc6 23.Rhc1+/–) ½–½. Gilles,R – Verheijen, corr, 1989.

9.Bd6 Qd6 10.Nc3 Nc3 11.dc3 Qg6 12.Bc4 (12.Bd3 Qh6=) 12...Nc6 (12...Qg2?? 13.Rg1 Qh3 14.Bf7 Kf8 15.Qd4+–) 13.0-0 Bh3 14.Nh4 Qe4 15.Bf7 (15.Qa4 Qg4 16.Rab1 Re4=) 15...Kf7 16.Qh5 g6 17.Qh7 Kf6 18.Qc7 g5 19.Qd6 Re6–/+ 20.Qg3 Qh4 21.Qh4 gh4 22.gh3 Rc8 23.Rfb1 Re7 24.Kf1 Ne5 25.Rb4 Nc4 26.a4 Nd2 27.Ke2 Ne4 28.Kf3 Kf5 29.Rg1 Nd2 30.Ke2=+ Nc4 31.Rg4 Ne5 32.Rbf4 Ke6 33.Re4 Kd5 34.Rd4 Kc5 35.Rh4+= Nc6 36.Rh5 Kb6 37.Rdd5 Re4 38.a5 Ka6 39.Kd3 Ra4 40.f4 Na5 41.e4 Ra2 42.Rc5 Nc6 43.Rh6 Rg8 44.Rg5 Rf8 45.Ke3 Rc2 46.Rc5 Kb6=+ 47.Rhh5 Rg8 48.Kf3 Rgg2 49.Rb5= Ka6 50.Rb3 Rcf2 51.Ke3 Re2 52.Kf3 Rgf2 53.Kg3 Ra2 54.Rh7 Na5=+ 55.Rb1 Rg2–/+ 56.Kh4 Raf2 57.Rh6 b6 58.Rf6 Rf3 59.Rh1 Rc3 60.Rd6 Rf3 61.Rf6 Kb5 62.Rf7 Nc4–+ 63.Rb1 Kc5 64.Rd1 Rff2 65.Rc7 Kb5 66.Rb1 Nb2 67.Rf7 a6 68.e5 Re2 69.Re7 Ref2?? 70.Rf7–/+ Kc6 71.e6 Re2 72.f5 Nd3 73.e7 Re4 74.Kh5 Nf4 75.Kh6 Nd5 76.Kh5 Ne7 77.Rf6 Kc7 78.Rc1 Kb7 79.Rf7 Re3 80.h4 a5 81.Rd1 Ka6 82.Rd7 Nc6 83.Rd6 Ne5 84.Re6 Nf7 85.Re3 Nd6 86.f6 Rh2 87.Rd3 Nf7 88.Rd7 Ne5 89.Re7 Nc6 90.Re8= Rf2 91.Kg6 b5 92.f7 b4 93.h5 b3 94.Ra8 Kb6 95.f8Q= Rf8 96.Rf8 a4 97.h6 b2 98.Rf1 a3 99.Rb1 Ne5 100.Kg7 Kc5 101.h7 a2 102.Rb2 a1Q 103.h8Q Qb2 104.Qc8 Kd5 105.Qd8 Ke4 106.Qh4 Ke3 107.Qg3 Nf3 108.Kf7 Qa2 109.Kf6 Qa4 110.Qh3 Qd4 111.Ke6 Qb6 112.Kd5 Qb5 113.Kd6 Qb4 114.Kd5 Qe4 115.Kc5 Qe5 116.Kc6 Kf2 117.Qg4 Nd4 118.Kd7 Qd5 119.Ke7 Qc5 120.Kf6 Qd6 121.Kf7 Qe5 122.Qh4 Kg1 123.Qf6 Qd5 124.Kg6 Nf3 125.Qa1 Kg2 126.Kf6 Qd6 127.Kg7 Ne5 128.Qb2 Kf3 129.Qc3 Ke2 130.Qb2 Kd3 131.Qb1 Ke3 132.Qe1 Kd4 133.Qd1 Nd3 134.Kf7 Qd5 135.Kf6 Qe5 136.Kg6 Qe6 137.Kg5 Qe7 138.Kf5 Qf7 139.Kg5 Qg7 140.Kf5 Ke3 141.Qb3 Qe5 142.Kg6 Qd6 143.Kf5 Qc5 144.Ke6 0–1. ZarkovX – crafty, ICC, 1998.

9.Qc2 Bg4 10.Be2 Nc6 11.Bb2 Bf6 12.0-0 Nf4 13.Bd1 (13.ef4 Re2 Pinning (13...Re2 Deflection)) 13...Bb2 (13...Nd3 14.Bf6 Qf6 15.Nc3+=) 14.Qb2= Nd3 15.Qb7 Qd6 16.Qb3 (16.Nc3 Rab8 17.Qa6 Nb2+=) 16...Rab8 17.Qa4 Bf3 (17...Bd7!?+=) 18.Bf3+= Nce5 19.Be2 Nc5 20.Qc2 Ned3 21.Bd3 Nd3 22.Nc3 c6 (22...Rb2 23.Qa4 Rd8 24.Ne4+=) 23.Rfb1 Rbd8 (23...Rb6 24.Na4 Rb5 25.Nb2+=) 24.f3+/– c5 (24...Rb8 25.Qa4+/–) 25.Rb7 Qa6 26.Rab1 Nb4 27.ab4 Qb7 28.bc5 Qc6 29.Ne4 Qd5 30.Rb4 Re6 31.Rd4 Qa8 32.Qc4 (32.Nd6 Qc6 33.Nf5 Qc7+–) 32...Rd4 (32...a5!?+/–) 33.ed4+– a5 (better is 33...Re4 34.fe4 Qe4+–) 34.d5 White prepares c6 34...Re8 35.c6 a4? (35...Qd8+–) 36.d6 a3 (36...Rf8 37.d7 a3 38.Nc3+–) 37.d7 Rf8 38.Nc3 Qa7 (38...Qd8 39.Qc5+–) 39.Kf1 Qc7 40.Qc5 a2 (40...h6 41.Nd5 a2 42.Nc7 a1Q 43.Kf2+–) 41.Na2 Rd8 42.Qe7 Rf8 (42...h5 43.Nc3 Rb8 44.Ne4 Qc6 45.d8R Rd8 46.Qd8 Kh7 47.Qg5+–) 43.Nb4 h6 (43...f5 44.Qc5 Kf7+–) 44.Qc5 Rd8 45.Nd5 Qh2 46.Ne7 Kh7 47.c7 Qh1 48.Kf2 Qh4 49.Ke2 Rf8 50.d8Q 1–0. forsetinn (2320) – condoru (2065), gameknot.com, 2014.

9.Nc3 Nc6 10.Nd5 Qd5 +=.

9.Bc4 Nb6 10.Bb5 c6 11.Be2 +=.

9.Be2 c5 10.0-0 Nc6 11.Bb2 Bf5 (11...Qb6 12.Qc1+=) 12.Nc3 Rc8 13.Rc1 (13.Nd5 Qd5 14.Qa4 Bd3 15.Bd3 Qd3=) 13...a6 (13...Bf6 14.Qb3 Nb6 15.Na4 Na4 16.Bf6 Qf6 17.Qa4=) 14.Nd5 Qd5 15.Bc4 Qd6 16.a4 Na5 17.Be2 Qb6 18.Be5 Red8 19.Re1 c4 20.Bd4 Qd6 21.d3 Nb3 22.Rc4 Rc4 (worse is 22...Nd4 23.Rd4 Qa3 24.Qa1+=) 23.dc4 Qa3 24.Rf1 h6 25.h3 a5 (25...Be4 26.Re1–/+) 26.Re1 Bf8 27.Rf1 Be4 28.c5 Nd4 29.Nd4 Bc5 30.Qb3 Qb4 31.Bc4 Bd4 32.Bf7 Kf8 33.ed4 Rd4 34.Ra1 Bc6 Exerts pressure on the isolated pawn 35.Bg8 Qb3 36.Bb3 Ke7 37.Kf1 Kd6 38.g3 b5 39.ab5 Bb5 40.Ke1 a4 41.Bd1 Kc5 42.h4 Bd7 43.Ra2 Kb4 44.Rb2 Ka5 45.Ra2 Be6 (45...Rd3 46.Bc2 Rd6 47.Bd1–/+) 46.Ra3 (46.Ra1 Kb5 47.Ra3 Bf5–/+) 46...Kb5–/+ 47.f4 (47.Ra1 Bb3 48.Bb3 ab3–+) 47...Bd7 48.Ra1 Kb4 49.Rb1 Ka5 50.Ra1 (50.Rb7 a3 51.Bb3 Ba4–/+) 50...Rd3 51.g4 a3 52.Be2 Rh3 53.Bf1 Rb3 54.Bc4 Rg3 55.Kf2 Rc3 56.Bd5 (better is 56.Be2–+) 56...Bg4 57.Re1 Rc2 58.Ke3 Kb4 59.Ra1 (59.Rg1 h5–+) 59...Bf5 60.Bf7 Rh2 0–1. forsetinn (2240) – almanzor1 (2350), gameknot.com, 2014.

9.Be2 c5 10.Qc2 Nc6 11.Bb2 Bf6 12.Nc3 Nc3 13.Bc3 Nd4 14.Bd4 cd4 15.Rc1 de3 16.fe3 Be6 17.0-0 Rc8 18.Qa4 Rc1 19.Rc1 a6 20.Qb4 Re7 21.Qc5 g6 22.d4 Bd5 23.Kf2 1–0. Korchut,Adam (1990) – Janosi,Ervin (1845), RA–2010-0-00090, 2010.

10.d4= Nb6 11.Bd3 c5 12.Bf6 Qf6 13.Nc3 cd4 14.Nd4 =.

10.d4= c6 11.Bf6 Qf6 12.Bd5 cd5 13.Qb3 Rd8 14.Nc3 =.

10.d4= Be6 11.Qb3 Nb6 12.Be6 Re6 13.0-0 Nc6 14.Bg3 =.

10.d4= Be6 11.Qb3 Nb6 12.Be6 Re6 13.Nc3 Be5 14.Ne5 c6 15.h4 (15.a4!? Qc7 16.0-0+=) 15...N8d7= 16.0-0-0 (16.Nf3 Rc8=) 16...Ne5–/+ 17.de5 Qc7 18.f4 Rd8 19.Ne4 Ree8 (19...Nd5 20.g3+=) 20.h5 Nd5 21.h6 Qb8 (better is 21...g6=) 22.hg7+/– Kg7 23.Rh4 (23.Nf6 Rh8 24.Nh5 Kf8+–) 23...h6 (23...b5 24.Ng3 Qb6 25.Nf5 Kg8 26.Rdh1 Qc5 27.Kb2 Ne3 28.Rh7 Nc4 29.Ka1 Rd1 30.Rd1 Ne5 31.Rg7 Kf8 32.Rh1 Qd4 33.Nd4 Ke7 34.fe5 Rf8 35.Qe6 Kd8 36.Rf7 Rf7 37.Qf7 c5 38.Rh8) 24.Rdh1 (24.Nf6 Rh8 25.Rg4 Kf8 26.Rd5 Rd5 27.Qb4 c5+–) 24...Rh8 25.Qb2 (25.Qb2 Kf8 26.e6+–) 1–0. Roczniak,Jan – Wilk,A, corr Poland, 1983.

10.d4= Be6 11.Qb3 Nb6 12.Be6 Re6 13.Nc3 Be5 14.Ne5 c6 15.h4 (15.a4 N8d7 16.a5 Nd5 17.Nd5 A) 17...Ne5? 18.Nf4 (18.de5?! Qd5 19.Qb7 Rae8+=) 18...Re7 19.de5+–; B) 17...cd5+=) 15...N8d7 16.0-0-0 (16.Nf3 Rc8=) 16...Ne5–/+ 17.de5 Qc7 18.f4 Rd8 19.Ne4 Ree8 (19...Rd5 20.g4+=) 20.h5 Nd5 21.h6 g6 22.Rd3 Rc8 (better is 22...b6=) 23.Nd6+/– Qb6? (better is 23...Re7!? 24.Nc8 Qc8+–) 24.Qb6+– Nb6 25.Nc8 Rc8 26.Rhd1 Kf8 27.Rd8 Ke7 28.Rc8 Nc8 29.Kc2 Ke6?! 30.Rd8 Ne7 31.Re8 f5 32.Rh8 Kf7 33.Rh7 Ke8 34.Re7! (34.Re7 Ke7 35.h7+–) 1–0. Roczniak,Jan – Wilk,A, corr Poland, 1985.

10.d4= Be6 11.Qb3 Nc6 12.Bf6 Nf6 13.Be6 Re6 14.0-0 =.

9.Bb2 Bc5 10.Be2 Bf3 (10...Nc6 11.Qb3 Nb6 12.0-0=+) 11.Bf3= c6 12.0-0 Nd7 13.Nc3 Ne5 (better 13...Nc3!? 14.Bc3 Bd6=) 14.Bd5+– cd5 15.d4 Nc4 16.dc5 Nb2 17.Qd5 (17.Qd4 b6 18.cb6 Qb6 19.Qb6 ab6+–) 17...Qd5 18.Nd5 Re5 19.Nf4 (better 19.Rab1!?+–) 19...Rc5= 20.Rfb1 Rc2 21.Ra2 (21.e4 Rac8=) 21...Rac8 (21...Rd8 22.h4 Rdd2 23.Nh3=+) 22.g3 Rc1 23.Rc1 Rc1 24.Kg2 Rc2 (24...Nc4 25.Ne2 Re1 26.Rc2+=) 25.Kf3 (25.Nd5 b5=) 25...g5 (25...b5 26.Nd5=) 26.Nd5 Kg7 27.h3 f6 28.e4 Kg6 (28...h5 29.a4=) 29.Ne3 (29.Kg2 h5=) 29...Rd2 30.Nd5 (better 30.Kg2=) 30...f5?? (30...Nc4!? 31.Rd2 Nd2 32.Ke3 Nc4 33.Kd4 Na3 34.Ne7 Kf7=+) 31.ef5 (better 31.Ne7!? Kf6 32.Nf5+–) 31...Kf5= 32.Ne3 Kf6 (32...Ke6 33.Kg4=) 33.Ng4 (33.Ke4 Nc4 34.Nd5 Ke6 35.Nc7 Kd7 36.Rd2 Nd2 37.Kd3 Nf3=) 33...Kf5 34.Ne3 Kf6 (34...Ke6 35.Kg4=) 35.Ng4 (35.Ke4 Nc4 36.Nd5 Ke6 37.Nc7 Kd7 38.Rd2 Nd2 39.Kd3 Nf3=) 35...Kf5 36.Ne3 ½–½. tsodikovich (1865) – minionofmidas (1845), gameknot.com, 2016.

9.Bb2 Bd6=+ 10.Be2 Nd7 11.Nc3 c6 12.Nd5= cd5 13.h3 Bf5 14.0-0 Rc8 15.Qa4 Nc5 16.Qd4 Ne6 17.Qa4 Bc2 18.Qh4 Qh4 19.Nh4 Nc5 20.Bg4 Rc7 21.Nf5 Bf5 22.Bf5 Nb3 23.Rad1 g6 24.Bb1 Rec8 25.Ba2 Rc2 26.Bb3 Rb2 27.Bd5 b5 28.d4 Ba3 29.Rc1 Rbc2 30.Rc2 Rc2 31.Rb1 Rc1 32.Rc1 Bc1 33.Bc6 a6 34.Kf1= f5 35.Ke2 Kf7 36.f3 Ke6 37.e4 Kd6 38.Be8 Ke7 39.Bc6 Kd6 40.Be8 Ke7 41.Bc6 Kd6 ½–½. St Jean,Benoit – Van Bommel,Ton, IECG, 2001.

9.a3= Ba5 10.Qc2 b6 11.Bd3 Nf6 12.0-0 =.

9.a3= Ba5 10.Qc2 Nc6 11.Qc5 Bg4 12.Bc4+= Nb6 13.Ba2 Bf3 14.gf3+= Qd3 15.Rg1 g6+= 16.Rg4 Rad8= 17.Bc3 Bc3 18.Qc3 Qf5 19.Ke2 h5 20.Rh4 Ne5 21.Rf4–/+ Qf4 22.ef4 Nd3 23.Kd1 Re1 24.Kc2 Rc1 25.Kb3 Nc5 26.Kb4 Rc3 27.Nc3 Nd3 28.Kb3 Nf4 29.Kc2 Kg7 30.Re1=+ Rd7 31.Re8 Rc7 32.Re4 Nh3 33.Re2 Kh6 34.Kd1 a6 35.Bb3 Nc4 36.Bc4 Rc4 37.Re7 Rf4 38.Rb7 Rf3–/+ 39.Ra7 Rf2 40.Ra6 Rh2 41.a4 Ng5 42.a5–/+ h4 43.Ra8 h3 44.a6 Rh1 45.Kc2 h2 46.Rh8 Nh7 47.a7 Ra1 (48.a8Q Ra8 49.Ra8 h1Q–+) 0–1. Rosenhahn,Erwin – Zylla,Johannes, corr ICCF TT–4–90 SF, 1995.

9.a3 Ba5 10.Qc2 Qe7 11.Bd3 h6 12.0-0 Nc6 13.Rc1 b6 14.Bc4 Rd8 15.d3 Bg4 16.Nbd2 Bd2 17.Nd2 Ne5 18.h3 Bh5 19.Be5 Qe5 20.Rab1 Bg6 21.Nf3 Qh5 22.Qb2 Re8 23.Kh2 Bh7 24.a4 Rad8 25.a5 Nb4 26.g4 Qg6 27.Ne1 Qd6 28.Kg1 Qd7 29.ab6 ab6 30.Ra1 h5 31.gh5 Qh3 32.Ra7 Qg4 33.Kh2 Qh5 34.Kg1 Qg4 35.Kf1 Nd3 36.Nd3 Bd3 37.Bd3 Rd3 0–1. Rushton,Darren (1700) – Milde,Lars (1725), TT–01.10, 2001.

9.Qc2 b6 10.Bd3 h6 11.0-0 Nd7 12.Nc3 Bb7 13.Bc4 Bc3 14.dc3 N5f6 15.Rad1 Qc7 16.Qg6 Re7 17.Qg3 Qg3 18.hg3 Rd8 19.Bb3 a6 20.Nh4 Be4 21.f3 Bh7 22.e4 g5 23.Nf5 Bf5 24.ef5 Re2 25.Rf2 Rde8 26.Kf1 Rf2 27.Kf2 Kf8 28.c4 Rb8 29.g4 Ke7 30.Rh1 b5 31.Bc3 b4 32.Bf6 Nf6 33.Rh6 Rd8 34.Ke3 Rd4 35.Rh1 Nd7 36.Rd1 Rd1 37.Bd1 Nb6 38.Kd3 Kd6 39.g3 f6 40.f4 a5 41.Bf3 Na4 42.Kc2 Nc3 43.Kb2 ½–½. Rosner – Duben, email BdF 1999.

9.Be2 b6 10.0-0 Bb7 11.Bc4 Nd7 12.Qb3 N7f6 13.d3 Qd7 14.e4 Nf4 15.Ne5 Re5 16.Be5 Ne2 17.Kh1 b5 18.Bb5 Qb5 19.Na3 Qd7 20.Nc4 Ng4 21.a3 Bd2 22.f3 Ne5–+ 23.Ne5 Nd4 24.Nd7 Nb3 25.Rab1 Rd8 26.Rb3+= Rd7 27.Rfb1 Bc8 28.Rb8 Rd8 29.Ra8 Bf4 30.g3 Bd6 31.d4 Rf8 32.dc5 Bc5 33.Rbb8 Be6 34.Rf8 Bf8 35.Ra7 f5 36.ef5 Bf5 37.a4 g5 38.Ra5 Bd3 39.Rg5 Kf7 40.Ra5 Ke6 41.Kg2 Bg7 42.Ra8 Bd4 43.a5 Bc4 44.a6 (44…Bd5 45.Rd8+–) 1–0. Dopper,Johan – Heyn, corr 3GMM½–06, 1998.

9.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Re8).

9.Be2 Nc6 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8).

9.a3 Ba5 10.Bb5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Bb5).

9.a3 Ba5 10.Be2 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Re8 8.a3 Ba5 9.cd5 Nd5 10.Be2 Bg4).

9.a3 Ba5 10.Be2 Bg4 11.0-0 Qe7 12.Qa4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Ba5 12.Qa4).

9.Bb5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Bb5).

9.Be2 a6 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 a6).

9.Be2 Qe7 10.0-0 Bf5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5 10.0-0 Qe7).

9.Be2 Bg4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

9.Be2 Bg4 10.0-0 Qe7 11.a3 Bd6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.a3 Bd6).

9.Be2 Bg4 10.0-0 Qe7 11.Qa4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.Qa4).

9.Be2 Bg4 10.0-0 Qe7 11.d4 Rad8 12.a3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.d4 Rad8 12.a3).

9.Be2 Bg4 10.0-0 Qe7 11.Nd4 Be2 12.Ne2 Rad8 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4 10.0-0 Qe7 11.Nd4 Be2 12.Ne2 Rad8).

9.Nc3 Nc3 10.Bc3 Bf6 11.Qc2 c5 12.Rc1 b6 13.Bd3 Bb7 14.Bh7 Kh8 15.h4 Bc3 16.dc3 Qf6 17.Ng5 (17.Qf5 Nd7+=) 17...Nd7 (better is 17...g6!?+=) 18.Rd1 Nf8 19.Rd6 Qe7 20.c4?? (20.Bd3 Qc7 21.Bf1 Kg8+/–) 20...Rad8?? (20...Bg2 21.Rh2 Bb7=) 21.Qf5 f6 22.Bg6 Rd6 23.Nf7 Kg8 24.Nd6 Ng6 25.Qg6 Rd8 26.Nb7 Qb7 27.h5 Qd7 28.0-0 Qf7 29.Qg4 f5 30.Qg5 Rd6 31.Rc1 Rh6 32.Rd1 Rh5 33.Rd8 Kh7 34.Qf4 Qf6 35.Rd1 Rh4 36.Qf3 Rc4 37.Qh5 ½–½. Ramos Moreno,FJ (2110) – Gutierrez Castillo,P (2170), Malaga ESP, City Ch, 2012.

9.Nc3 Nc6 10.Bb5 Bg4 11.Nd5 Qd5 12.Qb3 Bf3 13.Bc4 Qh5 14.gf3 Rab8 15.Rg1 Bf8 16.f4 Nd8 17.Qc3 Qh6 18.Qf6 Qf6 19.Bf6 b5 20.Bd5 c5 21.Rd1 Rb6 22.Be5 Nc6 23.Bc3 Ne7 24.Be4 b4 25.Bb2 Rh6 26.Rg2 Ra6 27.Ra1 g6 28.Bd3 Rd6 29.Bc4 Nf5 30.Be5 Rb6 31.Rc1 Bd6 32.Be2 Nh4 33.Rg4 Be7 34.d4 cd4 35.Bd4 Rb7 36.Be5 Rd8 37.Rd1 b3 38.ab3 Rb3 39.Rd8 Bd8 40.Kd2 Kf8 41.Rg1 Rb7 42.Ra1 Ke7 43.Kc2 Bb6 44.Ra4 Rd7 45.h3 h6 46.Re4 f5 47.Rc4 Ba5 48.Bd4 Bb6 49.Bg7 Ba5 50.Bh6 Rd2 51.Kb3 Re2 52.Bg5 Kd6 53.Bh4 Be1 54.Rc2 Rc2 55.Kc2 Kd5 56.Kd3 a6 57.Ke2 Ba5 58.f3 Bc7 59.Kd3 a5 60.e4 Ke6 61.e5 a4 62.Bf2 Kd5 63.Be3 Bd8 64.Kc2 Be7 65.Kb2 Ke6 66.Ka2 Bb4 67.Ka1 Bc3 68.Kb1 Bb4 69.Kc2 Be7 70.Kc3 Bf8 71.Kc4 Be7 72.Bd2 Bf8 73.h4 Be7 74.Be3 Bf8 75.Kc3 Kd5 76.Bg1 Bh6 77.Bh2 Bf8 78.Bg3 Bc5 79.Be1 Be3 80.Bd2 Bc5 81.Kb2 Kc4 82.Ka2 Be7 83.Bc1 Bh4 84.Ba3 Kd5 85.Bc1 Kc6 86.Be3 Be7 87.Kb2 Kd7 88.Kc3 Ba3 89.Kc4 Bf8 90.Bd2 Kc6 91.Be3 Be7 92.Bd2 Kd7 93.Be3 Ke6 94.Bc1 Kf7 95.Bd2 Bf8 96.Be3 Ke6 97.Bd2 ½–½. bambinik – Schneiper, internet, 2001.

9.Bc4 c5 10.0-0 Nb6 11.Be2 Nc6 12.Qb3 Bg4 13.d3 Rb8 14.Nbd2 Nb4 15.Be5 Bd6 16.Bd6 Qd6 17.Ne4 Qe7 18.a3 Na6 19.h3 Be6 20.Qc2 Bd5 21.Nc3 Bc6 22.a4 Nb4 23.Qb3 Bf3 24.Bf3 Nd3 25.a5 Nc8 26.Nd5 Qd6 27.Qd3 b6 28.Rfd1 Ne7 29.Ne7 Qe7 30.Qd7 Kf8 31.Qe7 Re7 32.ab6 ab6 33.Ra8 Ra8 34.Ba8 Re8 35.Bc6 Rb8 36.Rd7 c4 37.Bb5 Rc8 38.Rd1 Rc5 39.Rb1 c3 40.Bd3 b5 41.Bb5 c2 42.Rc1 Rb5 43.Rc2 h5 44.g3 g6 45.Kg2 Kg7 46.f4 f5 47.Kf3 Kf6 48.g4 hg4 49.hg4 Rb3 50.Rc6 Kf7 51.gf5 gf5 52.Rc5 Kf6 53.Re5 Rb2 54.Rc5 Rb3 55.Ke2 Ra3 56.Kd2 Rb3 57.Rc3 ½–½. hal1958 – jameson, playchess.de, 2002.

9.d4 Bb4 10.Nbd2 Bg4 11.h3 Bf3 (11...Bh5 12.Bc4+=) 12.Qf3= Bd2 13.Kd2 Qd6 14.Bd3 Nd7 15.a3 Re6 16.g3 Rae8 17.Rac1 ½–½. Daatselaar,Jan Bart van (2170) – Glaubitz,Friedhelm (2055), ICCF FM/0485, 2007.

9.d4 c5 10.dc5 Bc5 11.Qc2 Be3 12.fe3 Ne3 13.Qb3 Ng2 (13...Nc2 14.Kf2 Na1 15.Ba1=) 14.Kf2= Ne3 15.Nbd2 Nc6 16.Nc4 Ng4 17.Kg1 Qc7 18.Qc3 f6 19.Rd1 Be6 20.Ba3 Nce5 21.Bd6 Qc6 22.Nd4 Qa4 23.Nb2 Qa2 24.Ne6 Qe6 25.Bg2 Qf5 26.Rf1 Qd7 27.Rd1 Qf5 28.Rf1 Qd7 29.Rd1 ½–½. Daatselaar,Jan Bart van (2290) – Sharpe,Sam, ICCF FM/0097, 2005.

9.d4 c6 10.Bc4 Qa5 11.Nbd2 Bf5 12.0-0 b5 13.Bb3 Bb4 14.e4 Be4 15.Ne4 Re4 16.Ne5 Qd8 17.Nf7 Qe8 18.Ne5 Kh8 19.Qf3 Rf4 20.Qf4! Nf4 21.Nf7 Qf7 22.Bf7 Nd7 23.a3 Ba5 24.g3 Rf8 25.Bb3 Nd3 26.Rab1 Nb2 27.Rb2 Bc3 28.Rc2 Bd4 29.Rc6 Ne5 30.Rc2 Bb6 31.Rfc1 g5 32.Rc8 Rc8 33.Rc8 Kg7 34.Rg8 Kh6 35.Kf1 g4 36.Bd1 Bc5 37.Rb8 Bb6 38.Be2 Kg6 39.Bb5 Bc5 40.a4 Kf6 41.Be2 h6 42.Kg2 Bd6 43.Rc8 a5 44.h3 gh3 45.Kh3 Kg7 46.Ra8 Bb4 47.Ra7 Kf6 48.Ra6 Kg7 49.f4 Nf7 50.g4 Nd6 51.Ra7 Kf8 52.Rh7 Ne4 53.Kg2 (53…Nc3 54.Bb5+–) 1–0. van Daatselaar,JB (2200) – de Wolf,Ben (2200), KE04 NBC Email, 2001.

9.d4 Bh4 10.Nh4 Qh4 11.g3 Qe4 12.Rg1 Nc6 13.Nd2 Ne3 14.fe3+= Qe3 15.Qe2 Qe2 16.Be2 Bg4 17.Rg2 Nb4 18.Nc4 Nc2 19.Kd2 Be2 20.Re2 Re2 21.Ke2 Re8 22.Kf2 Na1 23.Ba1 Re6 24.Bb2 Rc6 25.Ne3 Rh6 26.h4 Rb6 27.Nd1 h5 28.Ke3 Kh7 29.d5 Rb5 30.Ke4 c6 31.dc6 bc6 32.Bc3 Rb1 33.Ne3 Rg1 34.Be5 f6 35.Bb8 a6 36.a3 Rc1 37.Bf4 Rc3 38.Bd6 c5 39.a4 Kg6 40.Bf4 Ra3 41.Kd5 Ra4 42.Nc4 Ra1 43.Kc5 Kf5 44.Nd6 Kg4 45.Ne8 Re1 46.Ng7 Re7 47.Bh6 Re5 48.Kd4 Kg3 49.Bg5 fg5 50.Ke5 Kh4 51.Ke4 a5 52.Kf3 a4 53.Kg2 Kg4 54.Ne6 a3 55.Nd4 h4 56.Nc2 a2 (57.Na1 h3 58.Kf2 Kh4–+) 0–1. van Daatselaar,JB (2200) – Faber,KA (2200), KE04 NBC Email, 2001.

9.Be2 c5 10.0-0 Nc6 11.a3 Bf6 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Bf5 15.Qd8 Rad8 16.Rad1 h6 17.h3 Bc2 18.Rd8 Rd8 19.Rc1 Bd3 20.Kf1 b5 21.Bd3 Rd3 22.Ke2 Rd6 23.Rd1 Rd1 24.Kd1 a5 25.Kc2 b4 26.cb4 ab4 27.ab4 Nb4 28.Kc3 Kf8 29.Ne5 Ke7 30.f4 Nd5= 31.Kd3 Ke6 32.g3 f6 33.Nf3 c4 34.Kc4 Ne3 35.Kd3 Nf5 36.g4 ½–½. hal1958 – jameson, HCL–E926 playchess.de, 2004.

9.Be2 f5 10.0-0 Nc6 11.d4 Be6 12.Nbd2 a5 13.Nc4 b5 14.Nce5 Ne5 15.Ne5 b4 16.Bf3 a4 17.a3 b3 18.Qc1 Qd6 19.Qc6 Qc6 20.Nc6 Bd6 21.Nb4 Bb4 22.ab4 Ra7 23.Rfc1 Nb4 24.Rc5 (24.d5 Bd5 25.Bd4–+) 24...Nd3 25.Bc6 Rb8 (25...Nb2 26.Be8 a3 27.Rb5–/+; 25...Nc5?! 26.Be8 Nd3 27.Ba3–+) 26.Ba3 Nc5 27.Bc5 (27.d5–+) 27...b2 28.Rb1 a3 29.Ba7 a2 (29...a2 30.Rf1 b1R–+) 0–1. Jostov,Keylah – Blair,Matthew (1680), SC–2009–0-00026, 2009.

9.Be2 Bf6 10.d4 c5 11.0-0 Nc6 12.Qb3 cd4 13.Bc4 Na5 14.Bd5 Nb3 15.Bb3 de3 16.fe3 0-1. thehumanlettuce (1985) - Telam (2125), Rated Blitz game, lichess.org.

9.a3 Bf8 10.Nc3 Nc6 11.Rc1 Nf4 12.d4 Bg4 13.h3 Bf3=+ 14.gf3 Qd4 15.Qd4 Nd4 16.Kd1 Nb3 17.ef4 Rad8 18.Kc2 Nc1 19.Bc1 Re1 20.Bg2 Rh1 21.Bh1 Re8 22.Be3 Ba3 23.Nb5 Be7 24.Na7 f5 25.Nb5 Ra8 26.Bg2 Ra2 27.Kd3 Ra1 28.Ke2 Bb4 29.h4 c6 30.Nd4–/+ Re1 31.Kd3 Rg1 32.Bh3 g6 33.Ne6 Be7 (33...Be7 34.h5 Rh1–+) 0–1. Van Rooijen,Peter (1700) – Sakai,Kiyotaka (2225), WC.2005.P.00007, 2002.

9.Bc4 Nb6 10.Be2 Nc6 11.0-0 Bd3 12.Bd3 Qd3 13.Qb3 Qb3 14.ab3 Na5 15.Nd4 c5 16.Ba3 Ba3 17.Ra3 cd4 18.Ra5 f6 19.Na3 Red8 20.Nb5 ½–½. Rosenhahn,Eberhard – Lopez, corr 3GMM½–02, 1998.

9.Nd4 Bb1 10.Qb1 Nd7 11.a3=.

9.Nd4 Bb1 10.Rb1? Nf6?? 11.Nc2 (11.Bc4 a5+=) 11...Bc5 (11...Ba5 12.Bf6 Qf6 13.Rb7=) 12.Be2 Nc6 13.0-0 Bb6 14.Nb4 (14.Bb5 Re6+=) 14...Nb4= 15.Bf6 Qf6 16.Rb4 a5 (16...c5!? 17.Rf4 Qh6=) 17.Rf4+= Qd6 18.Bc4 ½–½. Vieito Soria,Luis M – Neri,Enzo, corr ICCF TT–6–02–1, 2002.

9.Nd4 Bb1 10.Rb1? Qh4 11.g3 Qe4–/+.

9.Nd4 Be4=+.

9.Nd4 Bg6 10.Be2 c5 11.Nb3 c4 12.Nd4 Nd7 13.0-0 Ne5–/+ 14.f4 Nd3 15.Bd3? Bd3–/+ 16.Rf3 f5 17.Rg3–/+ Qd7 18.Nf3=+ Re7 19.Ne5 Qe6 20.Nd3 cd3 21.Qb3 Bc5 22.Be5 Rc8 23.Nc3 Nc3 24.dc3 Qb3–/+ 25.ab3 Re5! 26.fe5 f4 27.Rf3 Be3 28.Kf1–/+ Rc3 29.g3 g5 30.gf4 gf4 31.b4 Kf7 32.Rh3? Rc2 (32...Rc2 33.Re1 Rf2 34.Kg1 d2–+) 0–1. Bobrov – Yussupov, Moscow, 1974.

9.Nd4 Bg6 10.Be2 c5 11.Nf3 Ba5 12.Ne5 Bf5 13.Na3 Bc7 14.f4 a6 15.0-0 f6 16.Nd3 b6 17.Nf2 Nc6 18.Bh5 Re7 19.Bf3 Bg6 20.Nb1 Qd7 21.Nc3 Bf7 22.Nce4 Rae8 23.a3 ½–½. Van Daatselaar,JB (2185) – Boschma,Bouwe (2275), KE05 NBC Email, 2003.

9.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bf5).

10.0-0 N7b6 11.Nc3 c6 12.Nd4 Bg6 13.a3 Nc3 14.dc3 Bd6 15.Nf3 Be4 16.Qd4 c5–/+ 17.Qd1 Qf6 18.Bd3 Rad8 19.Be4 Bh2! 20.Nh2 Rd1 21.Rfd1 Re4 22.Nf3 Re8 23.Ra2 Rd8 24.Re1 Nc4 25.Ba1 Qb6 0–1. Yeung,Chun Keung (1640) – Vegjeleki,Adolf (2145), corr WSTT/3/06/Semifinal, 2008.

10.0-0 Nc5 11.d4 Ne4 12.Qb3 a5 13.a3 a4 14.Qc4 Bd6 15.Nbd2 b5 16.Qc1 Rb8 17.Ne4 Be4 18.h3 Qe7 19.Qd1 Bf3 20.Bf3 Ne3 21.fe3 Qe3 22.Rf2 Bg3 23.Qd2 Bf2 24.Qf2 b4 25.Qe3 Re3 26.ab4 Rb4 27.Ba3 Rb6 28.Bc5+= Ra6 29.Bb7 Ra5 30.Bd5 a3 31.Rf1 h5 32.Bf7+/– Kh7 33.Kf2 Rc3 34.Bh5 Rc2 35.Kg3 a2 36.Ra1 Rb2 37.Bf3 Kg6 38.Be4 Kf6 39.Kg4 Ra4 40.g3 Ra6 41.h4 g6 42.h5 gh5 43.Kh5 Ra5 44.Kh4 Re2 45.Bd3 Rh2 46.Kg4 Rf2 47.Be4 Rb5 48.Bd3 Ra5 49.Bc4 c6 ½–½. Fritz,Harry – Steinmann,Joachim, corr 3GMM½–07, 1998.

10.0-0 Nc5 11.d4 Ne4 12.Qb3 Ba5 13.Bc4 Be6 14.Ne5 c6 15.Qd1 Qg5 16.Qf3 Ndf6 17.Be6 Re6 (17...Re6 18.Rd1 Rd8=+). Rau – Klatt, corr DDR, 1977.

10.0-0 Nc5 11.d4 Ne4 12.Qb3 Ba5 13.Rd1 c6 14.Nfd2 Nf2 15.Kf2 Re3 16.Qc4 Qh4 17.Kf1 Qh2 18.Nf3 Rf3 (18...Rf3 19.Bf3 Ne3 20.Kf2 Nc4–+) 0–1. Groth – Petersen, corr (year?).

10.0-0 Nc5 11.d4 Ne4 12.Qb3 c6 13.Ba3 a5 14.Bb4 ab4 15.Bc4 Qd6 16.Rc1 Nf2 17.Kf2 Re3 18.Qd1 Qf4 19.Bd5 Rd3 20.Bf7 Kf7 21.Nbd2 Qe3 22.Kg3 Qd4 23.h3 Rd8 24.Kh2 Qf4 25.Kh1 Rd2 26.Nd2 Rd2 27.Qh5 Kf6 28.Rf1 Rf2 29.Kg1+= Qd4 30.Rf2 Qa1 31.Rf1 Qd4 32.Kh1 Qd3 33.Qh4 Kg6 34.Rf3 Qd1 35.Kh2 Qd6 36.Rf4 Kf7 37.Kg1 Ke6 38.Qe1 Qe5 39.Qb4 b5 40.Rf1 Qe3 41.Kh2 Qe5 42.Kh1 Be4 43.Re1 Kd5 44.Qd2+– Qd4 45.Qe2 Qe5 46.Qd1 Qd4 47.Qg4 Qe5 48.Qd7 Kc5 49.Qd2 b4 50.Rc1 Kb5 51.Qe2 Ka5 52.Re1 Bg2 53.Kg2 (53.Kg2 Qg5 54.Kh1+–) 1–0. Labbe,Regis (2130) – van Willigen,Jan Willem (2395), 1st Webchess Open Tournament, 2005.

10.0-0 Nc5 11.d4 Ne4 12.Nfd2 Re6 (12...Ndc3 13.Nc3 Bc3 14.Ne4 Bb2 15.Ng3 Ba1 16.Nf5=) 13.Ne4=+ Be4 14.Bf3 (14.Nd2 Bd2 15.Qd2 Qg5=+) 14...Bf3 (14...Qh4 15.g3 Rg6 16.Be4 Qe4 17.Nd2 Bd2 18.Qd2=+) 15.Qf3 Rf6 16.Qe2 Qd7 (16...Rh6 17.Nd2–/+) 17.a3 Ba5 18.Rc1 (18.Nd2 Bd2 19.Qd2 Re8=+) 18...Re8 (18...Rg6 19.Qd3–/+) 19.Qd3 Qg4 20.Nc3 Rf2 21.Kf2 Ne3 22.Qe3 Re3 23.Ke3 Qg2 24.Rab1 Qh3 25.Kd2 (25.Ke2 f5 26.Kd2 Qh2 27.Kd3 f4–+) 25...Qh2 26.Kd3 (26.Ke3 Qg3 27.Kd2 h5–+) 26...h5 27.Re1 (27.Rh1 Qg2 28.Rhg1 Qf3 29.Kc2 h4–+) 27...h4 28.Re5 (28.Re8 Kh7–/+) 28...b6–+ 29.Re2 (29.Re8 Kh7–+) 29...Qg3 30.Kc4 h3 31.Rf1 (31.Rbe1 Qd6 32.Kb3 f6–+ (32...Qd4?! 33.Re8 Kh7 34.R8e3=+)) 31...c6 32.Kb3 (32.Rh1 b5 33.Kb3 g5–+) 32...b5 33.Re8 (33.Kc2 f5! 34.Rh1 f4–+) 33...Kh7 34.Rf7 (34.Re2 Bc7–+) 34...h2 35.Rf1 Bb6 36.Re2 Bd4 37.Rh1 Bg1 38.Ka2 (38.Kc2 Kg6–+) 38...Kg8 39.Ka1 (39.Nb1 g5 40.Nd2 a5–+) 39...Bf2 40.Nb1 (40.Rf1 Bg1 41.Re8 Kh7–+) 40...Qf3 41.Rh2 Qe2 42.Rg2 Kf7 43.Rg7 Ke6 44.Rg6 (44.Rh7 a5–+) 44...Kd7 45.Rg7 (45.Rf6–+) 45...Ke6 (better 45...Kd6 46.Bc3–+) 46.Rg6 Ke7 47.Rg7 (47.Rc6 Be3 48.Rc7 Kd6 49.Rf7–+) 47...Kd6 48.Rg6 (48.Rf7–+) 48...Kd7 (48...Kc7 49.Bc3–+) 49.Rg7 Kc8 50.Rg8 (50.Bc3 Bc5–+) 50...Kc7 51.Rg7 (51.Bc3 Bc5–+) 51...Kb6 52.Rd7 (52.Rg8 Bc5–+) 52...Bc5 53.Rd2 (53.Nc3 Qf3 54.Nb1 a5–+) 53...Qe7 (53...Qf1 54.Rc2–+) 54.Rg2 (54.Rc2 Qf8–+) 54...a5 Black prepares b4 55.Rg7 (55.Rc2 Qh7 56.Re2 b4–+) 55...Qe4 Black intends b4 56.Rd7 (56.Rg8 b4 57.ab4 ab4–+) 56...b4 57.Rd8 (57.Rd2 Be3 58.Rd6 Qc2–+) 57...Be3 58.Rd7 (58.Rb8 Kc7 59.Rh8 Bd4–+) 58...c5 59.Rd8 (59.Rd6 Kb5 60.Rd8 Ka4–+) 59...c4 60.ab4 (60.Rd6 Kc7 61.Rd1 Qc2–+) 60…ab4 0–1. Domingo,Jordi (2015) – Sherwood,Russell (2000), FICGS, 2013.

10.0-0 c6 11.a3 Bd6 12.Nc3 N5f6 13.h3 h6 14.d4 Qe7 15.Qd2 Qe6 16.Rfe1 Nb6 17.Bd3 Bh3 18.e4?? Bg2!–+ 19.Kg2 Qg4 20.Kf1 Qf3 (21.Qd1 Qh1 22.Ke2 Ne4 23.Ne4 Re4 24.Be4 Qe4 25.Kf1 Qh1 26.Ke2 Re8 27.Kd3 Re1 28.Qe1 Qf3 29.Kc2 Nc4–+) 0–1. Wilk,A – Kjaerstad,Eivind J, corr 3GMM–02, 1996.

10.0-0 Qe7 11.Qb3 Be6 12.a3 Bd6 13.Qc2 c6 14.Rc1 N7b6 15.Bd3 g6 16.Nc3 Nf6 17.Be2 Rad8 18.d3 Bg4 19.h3 Bf3 20.Bf3 Qe5 21.g3 Qf5 22.Bg2 Be5 23.d4 Qc2 24.Rc2 Bd6 25.a4 Nbd5 26.Nd5 Nd5 27.Bd5 cd5 28.Ba3 Bb8 29.a5 Re6 30.Rb1 b6 31.ab6 ab6 32.Rc3 f5 33.h4 h6 34.Kf1 g5 35.Rcb3 gh4 36.Rb6 Rb6 37.Rb6 hg3 38.Be7 Re8 39.Bd6 ½–½. Dopper,Johan – Lopez, corr 3GMM½–02, 1999.

10.0-0 Qe7 11.Qc2?? Bc2–+ (11...Bc2 12.Rc1 Bg6–+) 0–1. Nielsen,Peter Moller – Hallila,Erkki, corr ICCF TT–4–90 semi, 1994.

9.Qb3 Nc6 10.Be2 Qd7 11.a3=+ Na5 12.Qc2 Bf5=+ 13.Qd1 Be7 14.0-0 Rad8 15.d3 Nb6 16.Bc3 Nc6 17.d4 Nd5 18.Bd3 Qe6 19.Re1 Bg6 20.Qc2 Bd3 21.Qd3 g5 22.Bb2 Nb6 23.Nc3 Na5 24.a4 Nac4= 25.Reb1 g4 26.Nd2 Nd2 27.Qd2 c6 28.Qd3 Nc4 29.Ne2 Bg5 30.Qc3 Qd5 31.Ng3 Nb2 32.Qb2 b6 33.Qc2 (33.Qe2 Qe6 34.Qa6 Bh4+=) ½–½. Woelfelschneider,Peter – Schulz,Hans_Juergen, TT–17.01 ETC, 2005.

9.Bc4 Nc6 10.0-0 Qd7 11.a3 Bf8 12.d4 Rad8 13.Nbd2 Nf6 14.h3 Bh5 15.Rc1 Na5 16.Bd3 a6 17.Qc2+/– Bd6 18.e4 Bg6 19.e5+/– Bd3 20.Qd3 Be5 21.Qc3 Bf4 22.Qa5 Re2 23.Rfe1 (23.Rfe1 Bd2 24.Nd2+/–) 1–0. Kaden,F – Dubleumortier,A, corr SOK–96–117, 1997.

9.Bc4 Nc6 10.0-0 Ne5 11.Be2 (11.Be5 Re5 12.h3 Bf3 13.Qf3 Qd7=) 11...Ng6 12.Nc3 Nc3 13.dc3 Bd6 14.c4 c5 15.Qc2 Qe7 16.h3 Bd7 17.Rfd1 Bc6 18.Rd2 Rad8 19.Rad1 a6 20.Qc3 f6 21.Ba3 (21.Bd3 Bf3 22.gf3 Be5=) 21...b6+= 22.Qb3 Bc7 23.Bb2 Ne5 24.Rd8 Rd8 25.Rd8 Qd8 26.Be5 (26.Ne5!? fe5 27.Bg4=) 26...fe5–/+ 27.Qc2 Qd6 (27...Qf6 28.Nd2=) 28.Bd3?? (better is 28.Qf5 Qd7 29.Qd7 Bd7 30.Bd3=) 28…e4!–+ (28...e4 29.Ne1 ed3 30.Qd3 Qh2 31.Kf1 Qe5–+) 0–1. Melich,Jindrich (2160) – Gross,David (2395), Imperia op, 1999.

9.Be2 a6 10.0-0 c5 11.a3 Ba5 12.d3 Nc6 13.h3 Bh5 14.Qc2 Qd6 15.Nbd2 Bc7 16.Rfe1 Re6?? 17.Ne4+/– Qe7 18.Nfg5 Rh6+= 19.Qc5 Qd7 20.Nc3 Nc3 21.Qc3 Be5 22.d4 Bf6 23.Ne4 Be2 24.Nf6 gf6? 25.Re2+– Rg6 26.Kh2 Rc8 27.Rc1 Ne7 28.Qd2 Qd6 29.g3 Rc1 30.Qc1 b6 31.Rc2 h5 32.Qd1 h4 33.Qf3 hg3 34.fg3 Kg7 35.e4 Qd7 36.d5 Qa4 37.Rc7 Qe8 38.Bd4 Nc8 39.Rc6 Qd7 40.Rf6 Kg8 41.Rg6 fg6 42.Qf6 Nd6 43.Qg6 Kf8 44.Qf6 Nf7 45.Bb6 Qb5 46.Qf2 Ke8 47.Bc5 Qd3 48.h4 Qc3 49.Qe3 Qb2 50.Kh3 Qb1 51.Qf3 Qa1 52.g4 Qc1 53.Bd4 Qc4 54.Bf6 Nd6 55.e5 Ne4 56.g5 Qd5 57.h5 Ng5!–+ (57...Ng5 58.Kg4 Nf3–+) 0–1. Zschalich,Arndt (1745) – Goettert,Stefan (2205), Wch Seniors, 2004.

9.Be2 c5 10.0-0 Nc6 11.Na3 Ba5 12.Nc2 Bc7 13.d4 Qf6 14.Rb1 Qh6 15.g3 Bh3 16.Re1 Ba5–/+ 17.Nd2? cd4–+ 18.Bf3 de3 19.fe3 Ne3 20.Ne3 Re3 21.Bc1 Rae8 22.Re3 Qe3 (22...Qe3 23.Kh1 Qe1 24.Nf1 Bf1–+; 22...Re3? 23.Nc4 Bb6 24.Rb6+–) 0–1. Bartsch – Nagl, Bezirks–ch Maedchen, 1988.

9.Be2 Nc6 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4).

9.Be2 Nd7 10.0-0 c6 11.a3 Bd6 12.Nc3 N5f6 13.d4 Nb6 14.h3 Bf3 15.Bf3 Bc7 16.Qd3 Qd6 17.g3 h5 18.e4 Rad8 19.Rad1 Qe6 20.Bg2 Nc4 21.Bc1 b5 22.d5 Qe7 23.Qf3 h4 24.dc6 Rd1 25.Rd1 hg3 26.Bg5? gf2–+ 27.Kf1 Qc5 28.Nd5? Ne4 29.Qe4 Re4 30.Be4 Kh8 31.Rd3 Qc6 32.Kf2 Qe6 33.Rd4 Bg3! 34.Kf3 Qh3 (34...Qh3 35.Rc4 Bh4 36.Ke2 Qg4 37.Kf1 bc4 38.Bh4 Qe4–+) 0–1. Whitmarsh,Jerry – Soley,A Kerim, CA–2004–0-00138, 2004.

9.Be2 Nd7 10.0-0 c6 11.a3 Bd6 12.d3 Qb6 13.Qc2 (13.Qd2!?=+) 13...Ne3–/+ 14.Qc3? (Better is 14.fe3 Qe3 15.Rf2 Bf3 16.gf3 Bh2 17.Kg2–/+) 14...Nf6–+ 15.fe3 Qe3?? (15...Re3 16.Qf6 gf6 17.Bd4–+) 16.Kh1? Qe2–+ 17.Nbd2 Bf5 18.Nc4 Bc7 19.Nce5 Nd5 20.Qd2? Qd2 21.Nd2 Ne3 22.Ndc4 Nf1 23.Rf1 b5 24.Rf5 bc4 25.d4 Rab8 26.Rf2 c3! 27.Bc1 Be5 28.de5 Re5 29.Rf1 c2 30.Bf4 Rf5 31.g3 Rb1 32.Kg2 Rf4 (33.Rf4 c1Q–+) 0–1. Coope,Derek_William (1795) – Mendez_Raynalte,Guillermo, EM/CL/Q07–4 ICCF Email, 2002.

9.Be2 Nd7 10.0-0 c6 11.Nc3 Nc3 12.dc3 Be7 13.Qd4 Nf6 14.h3 Bh5 15.Rfd1 Qb6 16.Qb6 ab6 17.g4 Bg6 18.Ne5 Ne4 19.Ng6 hg6 20.Bf3 Nd6 21.Be2 b5 22.Kg2 Red8 23.Kf3 Bf6 24.Rd2 Kf8 25.a3 Ke7 26.Rad1 Ke6 27.Rd3 Nc4 28.Rd8 Bd8 29.Bc4 bc4 30.Rd4 b5 31.Re4 Kd7 32.Rd4 Ke7 33.Re4 Kf8 34.Rd4 Be7 35.Rd1 g5 36.Ra1 g6 37.Ke4 Bc5 38.Bc1 f6 39.Ra2 Kf7 40.f4 gf4 41.ef4 Re8 42.Kf3 Re1 43.Bd2 Rf1 44.Kg3 Ke6 45.Be3?? Be3–/+ 46.Re2 c5 47.Re3 Kf7 48.Kg2 Ra1–/+ 49.Re2 Ra3 50.Rc2 g5 51.f5 ½–½. Schulz,Hans_Juergen (2145) – Dressel,Robert (2250), remoteschach.de, 2006.

9.Be2 Nd7 10.0-0 Bd6 11.d4 Qf6 12.Nbd2 Qh6 13.Re1 Re6 14.Qb3= Qh5 15.Nf1 Rh6 16.Ba3 Bf3 17.Bf3 Bh2 18.Nh2 Qh2 19.Kf1 N5b6 20.Bb7 Re8 21.Rac1 (cont. unknown, 61 moves). Kretschmar – Pinkas, EU–MM II, 1982.

9.Be2 Bf3 10.Bf3= c6 11.0-0 Qd6 12.d4 Re6 13.Nd2 Rh6 14.h3 Bd2 15.Qd2 Nd7 16.Bc1 Qg6 17.e4 N5b6 18.Kh2 Qd6= 19.e5?? Qc7?? 20.Qd3 Re6= 21.Bg4?? Re7?? 22.Ba3+= Ree8 23.Bd6 Qd8 24.f4 c5? 25.d5 Nc8 26.Bd7+– Nd6 27.Be8 Ne8 28.d6 g6?! 29.f5 Qg5 30.Rae1 Ng7 31.e6 Nf5 32.e7 c4 33.Rf5! gf5 (33...Qf5 34.Qf5) 1–0. Makowski,Zbigniew – Kubik,Joseph, corr Poland, 1986.

9.Be2 Bf3 10.Bf3= Ne3? 11.fe3+– Re3 12.Kf2 Re6 13.d4 Qf6 14.Rf1 Qh4 15.Kg1 Bd6? (better is 15...c6!?+/–) 16.g3+– Bg3 17.hg3 Qg3 18.Bg2 Rg6 19.Qf3 Qf3 20.Rf3 Nd7 21.Nc3 Re8 22.Raf1 f6 (22...Nf6 23.Nb5 Ng4 24.Na7+/– (24.Nc7?! Re2 25.Nd5 Rg2 26.Kg2 Ne3 27.Kf2 Nd5+–)) 23.Kf2 c6 24.Bh3 Nb6 25.Re1 (better is 25.Bc1 f5 26.Bf4 Rf8+–) 25...Re1 26.Ke1 Nc4 (26...Kf7+–) 27.Be6 Kf8 28.Bc4 b5 (28...Ke7 29.Ba3 Kd8 30.Re3+–) 29.Ba3 Ke8 30.Re3 Kd8 31.Bf7 Rg1 32.Kf2 Rg5 (32...Rg4 33.Be8 Rd4 34.Bc6+–) 33.Re8 Kc7 34.Ne4 Rf5 35.Ke3 g5 36.Re7 Kb6 37.Bc5 Rc5 38.dc5 Ka5 39.Ra7 Kb4 40.a3# 1–0. Traczyk,Pawel (1780) – Gerot,Arkadiusz, ch–city B Warszawa Poland, 2013.

10.fe3+/– Re3 11.Kf1?? Rf3!–+ 12.Kg1?? Rf4 13.Be2 Bc5 14.d4 Be2 15.Na3 Bd1 16.Rd1–+ Bd4 (16...Bd4 17.Bd4 Rd4–+) 0–1. Salpeter,Bruno – Ducrocq,Patrice, corr Europe Echecs–Jub20, 1979.

10.fe3+= Re3 11.Kf2 Rf3 12.gf3+/– Qh4 13.Ke3 Bh5?? 14.Qg1 Bc5 15.d4 Nc6 16.dc5 Re8 17.Kd3 Bg6 18.Kc3 Qf6 19.Kb3 Na5 20.Ka4 Qb2 21.Ka5 Re5 22.Ka4 b5 23.Bb5 Bc2 24.Ka5 c6 25.a4 Ba4 26.Na3 Bb5 27.Qc1 Qd4 (27...Qd4 28.Nb5 Rc5–+) 0–1. Kuehn – Engel, corr DDR–Cp, 1978.

10.fe3+= Re3 11.Kf2 Rf3 12.gf3+/– Qh4 13.Kg1 Bh3 14.Bf1 Nc6 15.Bh3+/– Qh3 16.Ba3 Re8 17.Bb4 Nd4 18.Kf2 Qh4 19.Kf1 Qh3 20.Kf2 Qh4 ½–½. Kleinke,Uwe – Weinitschke,Guenter, corr DDR–ch M, 1983.

11.Qb3 Qe7 12.Kf2 Ng2 13.Ba3 Nc6 14.Bb4 Nb4 15.a3 Re8 16.Nc3+– Bf3 17.Qb4?? c5–/+ 18.Qc4 Bc6 19.Bf3 Bf3 20.Kf3 Nh4 21.Kg3?? Qg5–+ 22.Qg4 Nf5 23.Kf3 Nd4 24.Kg3 Qd2 25.Rae1 Qc3 26.Kh4 Rf8 27.Rhf1 f5 28.Qg2 Ne6 29.Rf3 Qe5 (29...Qe5 30.Re5 g5 31.Kh5 Ng7 32.Kg5 c4+–; better is 29...Qe1 30.Kh3 g5–+) 0–1. Kasper,Peter – Fessling,Roland, corr DDR, 1984.

11.Qb3 Qe7 12.Kf2 Ng2 13.Ba3 Nc6 14.Bb4 Nb4 15.Kg2?? Qe2–+ 16.Kg3 Nd3 17.Qb7? Bf3 18.Qf3+/– Qe5 19.Kg2 Nf4 20.Kf1 Qb5 21.Kg1 Qc5= 22.Kf1 Qc4 23.Kf2+/– Qd4 24.Kg3 Ne2 25.Qe2 Qa1 26.Qe4 Rd8 27.Rc1 Qf6 28.Rc7+– Qd6 29.Qf4 Qg6 30.Kf3 Qh5 31.Kf2 h6 32.Ra7?? Qc5= 33.Qe3 Qf5 34.Qf3 ½–½. Hasler,Ulrich – Borrmann,Fritz, corr CiF–TT, 1989.

11.Qb3 Qe7 12.Kf2 Ng2 13.Rg1 Bh3 14.Bf1 Be6 15.Qc2 Bh3 16.Bg2 Bc5 17.d4 Bg4 18.dc5 Nd7 19.Bh3 Qc5 20.Qc5 Nc5 21.Ne1 Rd8 22.Rg4 g6 23.Rd4 Re8 24.Rd5 Ne6 25.Be6 (25.Be6 fe6 26.Rd7 Rf8 27.Nf3+–) 1–0. Ten Bos,H – Rellegert,H, corr NED–ch H, 1985.

11.Qb3 Ng2 12.Kf2 Qe7 13.Bc4 Nd7? 14.Kg2 Nc5 15.Qb4 Bf3 16.Kf3 Qe4 17.Kg3 Qg6 18.Kf2 Ne4 19.Ke1 Re8 20.Bb5 c6 21.Qd4 Ng3 22.Kd1 Nh1 23.Bd3 Nf2 24.Qf2 Qd3 25.Qa7 Qf1 26.Kc2 Qf5 27.d3 c5 28.Nd2 Rd8 29.Qa3 b5 30.Rg1 g6 31.Rf1 (31.Rf1 b4 32.Rf5 ba3 33.Bf6+–) 1–0. Bakkers,M – Sternik,Ryszard, corr SOK–91–76, 1991.

9.Bb2 Be6 10.Bc4?? (better is 10.a3 Bd6 11.Qc2–/+) 10...Na5–+ 11.Qc2 Nc4 12.Qc4 (12.0-0 Nb2 13.Qb2–+) 12...Ne3! 13.Qc1 (13.fe3 Bc4 Discovered attack) 13...Ng2 14.Kf1 (14.Kd1 Bg4 15.Qc4 Bf3 16.Kc2–+) 14…Qd3 (14...Qd3 15.Kg1 Ne1 16.h4 Nf3 17.Kg2 Qg6 18.Kf3 Bd5 19.Kf4 Re4 20.Kf3 Qg4) 0–1. Baumann,Walter (2050) – Boehnke,Hartmut (2085), WS/H/171 ICCF, 2009.

9.Bb2 Nf4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8 8.Bb2 Nf4 9.Qb3 Nc6).

9.Bb2 Bf8 10.a3 Bf5 11.Nc3 Nc3 (11...Nb6 12.Be2+=) 12.Bc3= Rb8 13.Bc4 Qd7 14.0-0 b5 15.Be2 (worse is 15.Bb5 Bd3 16.Bc6 Qc6–/+ (16...Rb3?? 17.Bd7 Rd8 18.Ba4 Rc3 19.dc3 Bf1 20.Kf1+–)) 15...Bd3 16.Bd3 Qd3 17.Qb1 Qb1 18.Rfb1 a5 Black intends b4 19.Rc1 Rb7 20.d4 b4 21.Bb2 Nb8 22.ab4 ab4 (worse is 22...Rb4 23.Ba3 Rb5 24.Bf8 (24.Rc7? Ba3 25.Kf1 Bd6–+) 24...Kf8 25.Rc7+/–; 22...Bb4?! 23.Kf1=) 23.Ra8 Re6 (23...Bd6 24.Kf1=) 24.Nd2 Ra6 25.Ra6 Na6 26.Kf1 c5 ½–½. Gavritenkov,Sergei (2410) – Tishin,Petr (2400), Tula Russia, Efremenkov Memorial, 2015.

9.Bb2 Bg4 10.Be2 Qd7 11.Nc3 Rad8 12.0-0 Nc3 13.dc3 Bd6 14.Rfd1 Qe7 15.h3 Bh5 16.c4 Bg6 17.Bd3 Bd3 18.Rd3 Qe4 19.Rad1 Bc5 20.Ne5 Rd6 21.Rd6 cd6= 22.Qb7?? de5–+ 23.Rd5 Nd8?? 24.Qb5+= Rf8 25.Rc5 Qb1 26.Kh2 Qa2 27.Re5 a6+= 28.Qb6 Qc4 29.Ba3 Nc6 30.Bf8 Ne5+= 31.Qd8 f6 32.Bd6 Kf7 33.f4 Nc6? 34.Qd7 Kg6 35.f5 Kh6 36.Bf4 g5 37.Bd6 g4 38.Bf4 Kh5 39.Qh7# 1–0. Engel,B – Weinitschke, corr ICCF EU–M–832, 1990.

9.Ne5 Nc3 10.Qb3 Nd5 11.Bc4? Be6–+ 12.Bd5 Qd5 13.Qb4 Qe5 14.0-0 Bd5 15.Qg4 Nc6 16.d4 Qd6 17.a4 Re8 18.h3 Re6 19.g3 Ne7 20.Rfc1 Re4 21.Qe2 Qe6 22.h4 Nf5 23.Qd2 Nh4! 24.gh4 Rh4 25.Kf1?? Qg4 (25...Qg4 26.f3 Qf3 27.Ke1 Rh1) 0–1. Sapierzynski,Tadeusz – Pietrzak,Janusz, corr 1. AMM Poland, 1991.

9.Ne5 Nc3 10.Qb3 Nd5 11.Bc4 Qf6?? 12.Nf7?? Qa1–+ 13.Ke2 Bg4 14.Kd3 Qh1 15.Bd5 Qe1 16.Ke4?? Nd7 17.Kf4 Qf2 18.Kg4 Nf6 (18...Nf6 19.Kh3 Qf5 20.Kg3 Nd5–+) 0–1. Kroon – Ditmer, corr–NL Hkl, 1983.

9.Ne5 Nc3 10.dc3 Bc3. Pietrzak.

9.Bb2 Nb6 10.Be2 Bf5 11.a3 Ba5 12.Qb3 Qd6 13.0-0 Rad8 14.d4 h6 (14...Qg6 15.Nh4 Qe6 16.Qe6 Be6 17.Bb5=) 15.Nbd2= Qd7 16.Rac1 Be6 17.Qc2 Bf5 18.Qd1 Bd2 19.Nd2 Ne7 (19...Re6 20.Nb3 Na4 21.Nc5 Nc5 22.Rc5+=) 20.e4 Bg6 21.Rc5 (21.Re1 Na4 22.Ba1 Nb6+=) 21...f5 22.Qb3 Kh8 23.Qg3 c6 24.Re5 Bh7 (24...Qd6 25.f3+=) 25.Bh5 (25.f3 Qd6+=) 25...Rf8 26.d5 (26.Nb3!? Na4 27.Nc5 Nc5 28.dc5+/–) 26...cd5= 27.Nb3 Rc8 (27...Na4 28.ed5 Nb2 29.Nc5=) 28.ed5 (28.Re6! Ng8 29.Rd6=) 28...Ned5= (28...Nbd5?? 29.Qg7!? Kg7 30.Rd5 Kg8 31.Rd7+–) 29.Rd1 Bg8 30.Bf3 Rc7 ½–½. Baruishnikov,Valeriy – Konovalov,Roman (2095), Rating Tournament, 2009.

9.Bg3 Qf6 10.Bd5 Qa1 11.Bf7?? Kf7–+ 12.Ng5 Kg6 13.0-0 Kg5 14.f4 Kg6 15.f5 Bf5 16.Qb3 Qf6 17.a3 Ba5 18.d4 Bb6 19.Nd2 Re3! (19...Re3 20.Qd1 Qd4–+) 0–1. Bonatti,Aldo (1745) – Mauro,Lucio (2000), corr ITA, 1994. 8.Bc4 Bg4

9.0-0?? Re5 10.h3 Bf3 11.Qf3 Qd7 –+.

9.0-0?? Bf3 10.Qf3= Re5 11.d4 Rg5 12.h4 Rg6 13.Qd5 Qd5 14.Bd5 c6 15.Bf3 Nd7 16.Rd1 Be7 17.Nc3 (17.h5!? Rd6 18.Nc3+=) 17...Bh4+= 18.Rab1 Nb6 19.a4 Nc4?? (19...Rb8 20.Rb3+=) 20.Rb4?? (better is 20.Rb7!? Bd8 21.Rc1+–) 20...Nd6 (20...Na5 21.d5 Be7 22.Re4+=) 21.a5 (21.d5 Bf6 22.Ne4+= (worse is 22.dc6 Bc3 23.cb7 Rb8+=)) 21...Nf5? (better is 21...Rc8!?=) 22.Rb7+/– Rd8? (better is 22...Bd8 23.a6 Nh4+–) 23.Ne4 (better is 23.Ra7 Re6+–) 23...Ne3? (23...a6+–) 24.fe3 f5 25.Nf2 (better is 25.Nc5!? Ra8+–) 25...f4 (25...Bg5 26.d5 c5 27.Ra7 Be3 28.Rd3+–) 26.e4 1–0. marvis (1730) – sq112, internet, 2013.

9.a3 Re5 10.ab4 +=.

9.Bb2 Nb6!? 10.Be2 Nc6 +=.

9.Bb2 c5 10.0-0 Nc6 11.a3 Ba5 12.Bc3 (12.Qb3!? Be6 13.Qc2=+) 12...Nc3 13.Nc3 Bc3 14.dc3 Qd1 15.Rad1 Bf3 16.gf3 Ne5 17.Bd5 Rab8 18.c4 b6 19.Kg2 Rbd8 20.e4 Ng6 21.Kg3 Kf8 22.h4 h5 23.Ra1 Rd6 24.a4 Rf6 25.a5 Nf4 26.ab6 ab6 27.Ra7 g6 28.Rb7 Kg7 29.Ra1 Ne2 30.Kg2 Nd4 (better 30...Nf4 31.Kg3 Ne2 32.Kg2 Nf4 33.Kg3=) 31.Raa7+/- Rf8 32.Re7?? (better 32.e5 Rf5 33.e6+-) 32...Nf3= 33.e5 Nh4 34.Kh3 Rf4 35.e6 Nf3?? (35...g5 36.Rf7 R4f7 37.ef7-/+) 36.ef7?? (better 36.Kg3 g5 37.Bf3 h4 38.Kg2 h3 39.Kg3+-) 36...Ng5 37.Kg3 Rf6 38.Re8 Nf7 39.Rf8 Kf8 0-1. James_Flynn (2015) - naiche (2070), Rated Bullet game, lichess.org, 2015.

9.Bd5 Qd5–/+ 10.Bc7 Na6 11.Bg3 Qc4 12.a3=+ Ba5 13.Nc3 Nc5–/+ 14.Ne2? Rad8–+ 15.0-0 Bf3 16.gf3 Rd2 17.Qc1 Rc2 (17...Rc2 18.Qd1 Qe2 (18...Re2?! 19.Rc1 Bc3 20.Rc3 Qc3 21.Qe2–/+) 19.Qe2 Re2–+; 17...Qe2 18.Qc5 Bb6 19.Qc3 Re3 20.Qc8 Rd8 21.Qb7 Rf3 22.Bh4–/+) 0–1. Junge,Wolfgang – Cherek,Guenter, corr DDR, 1980.

10.fe3 Re3 11.Kf2 Rf3 12.gf3 Qh4 13.Kg1 Bh3 14.Bf1 Nc6 15.d4? Be1! 16.Qe2 Nd4.

10.fe3+= Re3 11.Kf2 Rf3 12.gf3+/– Qh4 13.Kg1 Bh3 14.Bf1 Nc6 15.Bh3+/– Bc5 16.d4 Nd4 17.Kg2 Re8 18.Nc3 Ne2 19.Re1 Qf2–/+ 20.Kh1 Qf3 21.Bg2 Ng3 22.hg3 Re1 23.Kh2 Rd1 24.Rd1?? Qh5–+ 25.Bh3 Bd6 26.Rd3 g5 27.Rd5 ½–½. Gutte – Warzecha,Helmut, corr, 1983.

10.fe3= Re3 11.Kf2+/– Rf3? 12.gf3+– Qh4 13.Kg1 Bh3 14.Bf1 Nc6 15.Bh3+– Qh3 16.Qf1 Qf5 17.Qg2 Bc5 18.Kf1 Nd4 19.Qg4 Qd3 20.Kg2 Re8 21.Rg1 f5 22.Qh5 g6 23.Kh3 Re6 24.Qh6 Qf3 25.Rg3 Qf1 (25...Qf1 26.Rg2 Qd3 27.Rg3 Qf1 28.Rg2 Qd3 29.Rg3 Qb5=+). Ramm,K – Gawehns,F, corr FRG, 1990.

10.fe3 Re3 11.Kf2 Rf3 12.gf3 Qh4 13.Kg1 Bh3 14.Bf1 Nc6 15.Bh3 Qh3 16.Qf1 Qh4 17.Qg2?? (17.Qf2 Qh3 18.Qg2 Bc5 19.Kf1 Qh6+–) 17...Bc5 (17...Qe1 18.Qf1 Qh4+–) 18.Kf1+/– Qc4 19.Ke1 (better is 19.Qe2!? Qb4 20.Bc3+/–) 19...Re8 20.Kd1 Qa4 21.Kc1 Nd4 22.Bd4 Bd4 23.Nc3 Qa3 (23...Qa5 24.Rb1 Bc3 25.dc3 Qc3 26.Qc2 Qf3 27.Rd1 Qf4 28.Kb2 Qf6 29.Ka3 Qe7 30.Kb3+=) 24.Kc2+– Re3 (24...Re3 25.Rae1 Rc3 26.dc3 Qc3 27.Kd1 Qd3 28.Qd2 Qb1 29.Ke2 Qb5 30.Qd3 Qb2 31.Kd1 Qa1 32.Kd2 Qb2 33.Qc2 Bc3 34.Kd3 Qc2 35.Kc2 Be1 36.Re1 Kf8+–) 0–1. Engels,Karl – Kontturi,Kari, FIN–BRD/56 corr/Ks79, 1979.

10.Bf7 Kf7 11.Qb3 Nd5 12.Ne5 Kf8 (12...Kg8 13.0-0 Be6 14.a3–+) 13.0-0 Be6 14.a3 Bd6 15.Qb7 Nd7 16.Nc4 (16.Nd7 Qd7 (16...Bd7?! 17.Qd5 Be6 18.Qf3 Kg8 19.Re1=) 17.Qa6 Rab8–+) 0–1. Woelfelschneider,Peter – Faerber,HJ, corr ICCF, 1986.

9.0-0 Nc6 10.Bb2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Re8 10.0-0).

9.0-0 Nc6 10.Bb2 Bf5 (-->1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 c5 8.Be2 Nc6 9.Bb2 Bf5 10.0-0 Re8).

9.h3 Nc6 10.Bg3 Qf6 11.Na3 Ba3 12.0-0 Bb4 13.Bh4 Qd6 14.Bg3 Qd8 15.a3 Ba5 16.Qa4 Nb6 17.Qf4 Be6 18.Ng5 h6 19.Ne4 Nd5 Time forfeit 0-1. James_Flynn (1890) - boringplay (2105), Rated Blitz game, lichess.org, 2015.

9.a3?? Bd2 10.Qd2 Re8 11.0-0 c6 12.Re1 (12.Nc3 Be6=+) 12...Qf6–/+ 13.Ra2 Nd7 (14.Rc2 Ne5–/+) 0–1. Grund,Karl – Florea, corr, 1977.

9.a3?? Bd2 10.Nfd2 Bf5 (10...Nc6 11.0-0–/+) 11.Nf3 Re8 12.0-0 Nc6 13.Bb5 Qd6 14.Qa4 (14.Qb3 Rad8–/+) 14...Nde7 (14...Bb1 15.Bc6 bc6 (15...Qc6?! 16.Qc6 bc6 17.Rab1=) 16.Rfb1 Nc3–+) 15.Nc3 a6 16.Rad1?? (better 16.Bc6 Qc6 17.Rac1–/+) 16...ab5–+ 17.Qb5 (17.Qa8 Ra8 18.Rd6 cd6–+) 17...Qa3 18.Nd5 Nd5 19.Rd5 Be6 20.Rd3 (20.Rg5 Qb3–+) 20...Qa6 (20...Qb4 21.Qb4 Nb4 22.Rc3–+) 21.Qa6 Ra6 22.Rfd1 Rea8 23.h3 Ra1 24.Ra1 Ra1 25.Kh2 f6 26.Nh4 (26.Rc3 Kf8–+) 26...Rc1 (26...b5 27.Rc3 Ra6 28.Nf3–+) 27.f4 f5 28.Nf3 h6 29.Nh4 (29.Rd2 Kf7–+) 29...Kf7 30.Nf3 b5 31.Nd4 Nd4 32.Rd4 (32.ed4 Bd5 33.Rd2 b4–+) 32...c5 33.Rd6 b4 34.Rb6 b3 35.Kg3 (35.g4 Rc3–+) 35...c4 36.Kf2 c3 0–1. Hilbert,Stephan J (1650) – Kohut,Gregory (1690), FICGS, 2013.

9.a3?? Ne3 10.fe3 Ra5 11.0-0 Bd6 12.Bc4 Qe7 13.Nd4 Qh4 14.Bf7 Kh8 15.Nf3 Qe7 16.Qb3 Nc6 17.Bd5 Ne5 18.d4 Ng4 19.Re1 c6 20.Bc4 Nh2 21.Nbd2 Bg4 22.Nh2 Bh2 23.Kh2 Qh4 24.Kg1 Rh5 25.e4 Rf8 26.Bf7 Qh2 27.Kf2 Rb5 28.Qa2 Qf4 29.Kg1 Rf7 30.Nf1 Rg5 31.Nh2 Be6 32.Qe2 Bh3 33.Rf1 Rg2 34.Qg2 Qe3 35.Qf2 Rf2 36.Rf2 Qg3 0–1. NN – NN.

10.Ne5 Be5 11.d4 Bd6 12.0-0 Qh4 13.g3 Qg5 14.Qb3 Nb6 15.Nd2 Be6 (16.Qc2 Nc6–+) 0–1. Bivens – Rosner,Dirk, corr 3GMM–14, 1995.

10.Ne5 Be5 11.d4 Bd6 12.Qc2 Qh4 13.g3 Qf6 14.Bd3 h6 –+.

10.Ne5 Be5 11.d4 Bf6 12.Qb3 (12.Qc2 b6 13.Bf3 c5 14.Nc3 Be6–/+) 12...Nb6 (12...c5 13.Bc4 Nc7 14.Bf7 Kh8–+) 13.0-0 (13.Qc2 N8d7 14.Ra2 Be7–+) 13...Be6 (13...c5!? 14.Nd2–+ cd4–+) 14.Qc3 (14.Qc2 N8d7–+) 14...N8d7 15.Nd2 g6 16.a4 Bg7 17.Nb3 Nd5 18.Qc2 Rc8 19.Rab1 c6 20.Nd2 (20.Rfc1–+) 20...c5 21.Rfc1 b6 22.e4 Nf4 23.Ba6 Qg5 24.g3 Rd8 25.d5 Bh3 26.Kh1 Bg2 27.Kg1 Ne5 28.Qb3 Bh3 29.Qe3 Ne6 30.f4 Qh6 31.Nb3? (better is 31.de6 Rd2! 32.Be2–+) 31...Ng4 32.Qf3 Nd4 33.Nd4 cd4 34.Kh1?? Nf2 (34...Nf2 35.Qf2 Bg4+–; better is 34...Nh2 35.Qb3 Nf3 36.Qf3 Bg4 37.Kg2 Qh3 38.Kf2 Bf3 39.Kf3 f5 40.ef5 g5–+ (40...Rd5?! 41.Bc4–+)) 0–1. Nickel,Heiko – Sabciyan,Arman, corr, 1978.

10.Qa4? Qe5 11.0-0 c6 (11...Nc6 12.Na3 Bd6 13.f4 Nf4 14.Qf4 Qf4 15.Rf4 (15.ef4?? Ba3 16.Bf3 Nd4–+) 15...Ba3 16.Bc4–+) 12.Nc3 Bc3 13.dc3 Nc3 14.Qc2 Ne2 15.Qe2 Be6 16.Rab1 b6 17.Rfd1 Qf6 18.Rd6 Qe7 19.Rbd1 (19.Qd1 Na6 20.Rc6 Rd8–+) 19...Nd7 (better is 19...Bd5 20.R6d5 cd5–+) 20.Rc6 Nc5 21.Rcd6 Ne4 22.Qf3? (better is 22.Rc6–+) 22...Bg4 (22...Nd6?! 23.Qa8 Nc8 24.a3–/+; 22...Ba2?! 23.Rd7 Qe8 24.R7d4–/+) 23.Qe4 Qe4 (23...Qe4 24.Rd8 Qe8 25.Re8 Re8–+) 0–1. mr5reasons1 (1685) – beatroot, gameknot.com, 2011.

10.Nd3 Qa1 11.Qb3? Nc6 0–1. Pemberton – Vehre, corr, 1980.

10.Nd3 Qa1 11.e4 Bd6 12.ed5 Qa2 13.Nc3 Qc4 14.Ne5 Qf4 15.d4 Be5 16.de5 Qe5 17.Qd2 b6 (17...Nd7 18.0-0-+) 18.0-0-/+ Bb7 19.Re1 Qd6 20.Nb5 Qd7 (20...Qd5?? 21.Bf3 Qd7 22.Bb7+-) 21.Bc4 c6?? (21...Na6 22.Qe2 h6-/+ (22...Bd5 23.Bd5 Rd8 24.Be4+-)) 22.Nc7+- cd5 23.Nd5 Na6 (23...h6 24.Re7 Kh8+-) 24.Nf6!! (24.Nf6 Kh8 25.Qd7 Rg8 26.Re8 gf6 27.Qf7 Re8 28.Qf6) 1-0. wojwys - inhis_service, gameknot.com, 2018.

10.f4 Nc6 11.a3? Ne3–+ 12.Qa4 Ng2 13.Kd1 Nf4 14.Nc6 Qa1 (14...Qa1 15.Qb4 bc6–+) 0–1. Baes – Grotars,Gabriel, corr Belgium, 1988.

10.f4 Nd7?? 11.Qb3= Ne5 12.Qd5 Nc6 13.Nc3 Bf5 14.Qb3 Re8 15.Kf2 Be6 16.Qc2 Nd4 17.Qa4 Nc6 18.Rac1 Bc3 19.Rc3 Bd5 20.Rhc1 Re4? 21.Qb5+– Qd8 22.Bf3 a6 23.Qe2 Nd4 24.Qd3 Qh4? 25.Kg1 Nf3 26.gf3 Re6 27.Qd5 c6 28.f5 Qg5 29.Kh1 (29.Kh1 h6 A) 30.fe6 Qd5 (30...cd5?? 31.Rc8 Kh7 32.ef7+–) 31.ef7 Qf7=+; B) 30.Qd3+–) 1–0. Westeppe,Uwe – Heiss,H, BdF, 1975.

10.Bg4 Be6 11.Be6–/+ fe6 12.e4?? Qe5–+ 13.0-0 Qa1 14.ed5 Qa2 15.Qg4 Na6 16.Qe6 Kh8 17.Qe4 Bd6 (17...Bd6 18.Re1 Rf8–+; 17...Bd2?! 18.Qe2–+) (continuation unknown, 32 moves) 0–1. Rosner,Dirk – Liebs,Hannelore, corr, 1997.

11.Nc3 Nc3 12.dc3 Bd6 13.g3 Bh3 14.Re1 Qc3 15.Rb1 Nc6 16.Bf3 Bb4 17.Bd5 Qe1 (17...Qe1 18.Qe1 Be1 19.Re1 Rd8 20.Bc6 bc6–+) 0–1. Babkin,VI – Lausch,Steffen, corr ICCF, 1988.

11.d4 Qe8 12.Qa4?? (better 12.Qb3 c6 13.Bf3-+) 12…Qa4 0-1. norba94 (2390) - Mettigel (2445), Rated Blitz game, lichess.org, 2016.

11.d4 Qf6 12.Qb3–/+ Qd6 13.Bc4 c6 14.e4 Nf4 15.Bf7 Kf8 16.Bg8 Qg6 17.Qf3 Qg2! 18.Qg2 Ng2 19.Bh7 Nf4–+ (19...Nf4 20.a3 Be7–+) 0–1. Gerold – Otto, corr (year?).

12.Qb3 Nc6 13.a3 Ba5 14.Bc4 Be6 15.a4 Bb6 16.Na3 Na5 17.Qb2 Ne3! 18.fe3 Bc4 19.Nc4 Nc4 20.Qc3 Ne3! (20...Ne3 21.Qb3 Nf1 22.Rf1 Qe6–+) 0–1. Dzuris,Ivan – Rohde Jensen,Kristian, corr, 1979.

12.Qc2 Qc6 13.Qb3 a5 14.Bf3 Be6 15.e4 a4 16.Qb2 Bc3 17.Nc3 Qc3 18.Qb5 Bd7? 19.Qd5+– c6 20.Qd6 1–0. Buss,Michael – Mayo,Clark III, CCLA E92031 Indianapolis, 1992.

12.a3 Ba5 13.Qb3 c6 14.Rc1 Nd7 15.Bf3 N7f6 16.Qa4 Bc7 17.Qd1 Ne4 18.Nd2? Bh2! 19.Kf1 Nf2! 20.Qb3 Ng4 21.e4 Bf4 22.Qd3 Qh4 23.Bg4 Ne3 24.Ke2 Bg4 25.Nf3–+ Bf3 (25...Bf3 26.Kd2 Nd1 27.Kc2 Qf2 28.Kb3 Qb2 29.Ka4 Be4 30.Rab1 Bc1 31.Rb2 Nb2 32.Kb3 Nd3 33.g3 a5 34.Kc2 Ra6 35.Kc3 Rb6 36.d5 cd5 37.Kc2 d4 38.Kd1 Rb2 39.g4 Rd2#) 0–1. Chwojnicki,Lucjan – Wengholm,Anders, corr ICCF EU–M–GT–153, 1981.

12.Qb3 Nb6 13.Qc2 Nc6 –+.

12.Qb3 Nb6 13.Rd1 Nc6 14.Bf3 –+.

12.Qb3 Nb6 13.Rd1 Be6 14.Qc2 c6 15.Nd2 N8d7 16.Nc4 Nc4 17.Bc4 Bc4 18.Qc4 Nb6 19.Qb3 Bd6 20.g3 c5 21.dc5 Bc5 22.Rac1 Rc8 23.h4 Rc7 24.Rc2 Rc6 25.Qd3 Rd6 26.Qe2 Rd1 27.Qd1 h6 28.Qd3 Nd7 29.Qd5 b6 30.Qa8 Nf8 31.Kg2 Kh7 32.Rc4 Ng6 33.Re4 Qd7 34.Re8 ½–½. Wilk,A – Heyn, corr 3GMM–02, 1997.

12.Qb3 c6 13.Bc4 Be6 14.a3 Bd6 15.Nd2 b5 16.Bd5 Bd5 17.Qd3 Qb7 18.e4 Be6 19.Rfe1 Nd7 20.e5 Be7 21.Ne4 Rd8 22.Qg3 Qb6 23.Red1 Nf8 24.Qe3 Bc4 25.Nc5 Ne6 26.Ne6 Be6 27.h3 a5 28.Rab1 h6 29.Qc3 a4 30.Ra1 Bb3 31.Rd3 Bc4 32.Rdd1 Rd7 33.Kh2 Qd8 34.e6 fe6 (34...fe6 35.Qf3 Rd4–+) 0–1. Scholz,G – Andersson,A, corr ICCF EU/M/Gr/379 (year?).

12.Qb3 c6 13.Rd1 Be6 14.Qc2 Nd7 15.Nd2 Nc3 16.Re1 Ne2 17.Re2 Nb6 18.e4 Qg5 19.Nf3 Qf4 20.Rb1 Be7 21.a4 Bc4 22.Re3 Ba6 23.Ne5 Rf8 24.a5 Nc8 25.Rf3 Qh6 26.Qb3 Qe6 27.Qe6 fe6–/+ 28.Rf8 Bf8 29.Nd7 Bb5 30.Nc5 Bc5 31.dc5 Kf7 32.Rd1 Ke7 33.f4 b6 34.ab6 ab6 35.cb6 Nb6 36.Kf2 h5 37.Kf3 Nd7 38.e5 g5 39.g3 Bc4 40.Ke3 g4 (40...c5 41.h3–+) ½–½. Guziec – Laber,Seweryn, corr 1. AMM Poland, 1991.

12.Bc4 c6 13.Qb3 Be6 14.e4 Nf4 15.Be6 Ne6 16.Rd1 Na6 17.d5? cd5 18.ed5 Nd4 19.Qc4 Re8 20.Nc3 Bc3 21.Rac1 b5 (21...b5 22.Qf1 Ne2 23.Kh1 Nc1 24.Rc1 Qa3–+; 21...Ne2 22.Kh1 Nc1 23.Qc3 Na2 24.Qd2–+) 0–1. Guyot,Philippe – Perin, corr, 1985.

12.Bc4 c6 13.Qc2 Bg4 14.e4 Nf4 15.f3 Be6 16.Be6 fe6 17.a3 Ba5 18.g3 Bb6 19.Rd1 Qg5 20.Kh1 Ng6 (20...Ng6 21.Nc3 Qf6–+) 0–1. Reuvekamp – Voortmeijer, corr, 1977.

12.Bc4 c6 13.Bd5 cd5 14.Qb3 Be6 15.Rc1 Nc6 16.a3 Bd6 17.Nc3 Rd8 18.e4?? Nd4 19.Qa4 de4 (19...de4 20.Qa7 Qh4–+) 0–1. Rondio,T – Sawatzki,J, corr DDR, 1988.

12.Bc4 Be6 13.Qb3 c6 –+.

12.Bc4 Nf6 –+.

12.Qd3 c6 13.Nd2 g6 14.Bf3 Nd7 15.Bd5–/+ cd5 16.Nf3 Nb6 17.Rfc1 Ba3 18.Re1 Bf5 19.Qb3 Rc8 20.Ne5 Bc2 21.Qb5 Qd6 22.Qe2 Bb2 23.Qf3 f6 24.Ng4 Ba1 25.Ra1 Kg7 26.h3 h5 27.Nh2 Qa3 28.Qg3 Na4 29.Nf3 Nc3 30.Re1 Ne4 31.Qf4 Bd3 32.Ne5 fe5 33.Qe5 Nf6 34.g4 Re8 35.Qg3 Ne4 36.Qg2 hg4 37.Qg4 Qc3 38.Rd1 Qc2 (39.Rd3 Qf2 40.Kh1 Ng3 41.Qg3 Qg3 42.e4 Qd3 43.h4 Qh3 44.Kg1 Rf8 45.ed5 Rf1#) 0–1. Blokhuis – Uffing, corr NED II, 1995.

12.Qd3 Be6 13.a3 Bd6 14.Nd2 –+.

12.Bf3 c6 13.a3 Ba5 14.Nd2 Nd7 15.Nc4 Bc7 16.e4 Nf4 17.Re1 Nb6 18.Ne3 Be6 19.Nf5 Bf5 20.ef5 Qf6 21.Bg4 Rd8 22.g3 Nfd5 23.Qd3 Nc8 24.Re2 Nde7 25.Rd1 Bb6 26.Re4 Nd6 27.Re5 Nb5 28.Rde1 Rd7 29.a4 Nc7 30.a5 Bd4 31.Re7 Re7 32.Re7 Qe7 33.Qd4 c5 34.Qb2 Nd5 35.Bf3 Nb4–+ 36.Kg2 h6 37.f6–/+ gf6 38.Qd2 Kg7 39.Qf4 Qd7 40.Qe4 b5 (41.h3 c4–+; 40...b6 41.Qc4–+) 0–1. Poschmann,Hans – Duriez,Jean Luc, IECG, 1996.

12.Bf3 c6 13.a3 Bd6 14.Qd3 f5 15.Nd2 Be6 16.Nc4 Bc7 17.Rab1 b6 18.Rfc1 Nd7 19.Nb2 Rc8 20.g3 Bb8 21.Rc2 N7f6 22.Rbc1 c5 23.dc5 bc5 24.Qb5 Ne4 25.Be4 fe4 26.Na4 Bh3 27.Rc5 Nc7 28.Qc4 Kh8 29.Nc3 Re8–/+ 30.Ne2 Na8 31.Nf4 Nb6 32.Qb3 Bd7 33.Rh5 Bf4 34.ef4 Ba4 35.Qe3=+ h6 36.Qd4 Kg8=+ 37.Ra5 e3 38.fe3+= ½–½. Ahrens,Wolfgang – Prange,Ecki, compuserve, 1995.

12.Bf3 c6 13.Qc2 Be6 14.Nd2 Nd7 15.Nc4 N5b6 16.Nb6 Nb6 17.Rfc1 Rd8 18.Qe2 f5 19.g3 Bd5 20.Rab1 Bd6 21.Bd5 Nd5 22.Qc2 Qf7 23.Rb3 Rd7 24.Rcb1 a5 25.R3b2 Rc7 26.Qd3 b5 27.Re2 b4 28.Rf1 Nc3 29.Ree1? Qd5 30.a3 c5 31.ab4 cb4 32.f3 a4 33.e4 Qc4 34.Qd2 Rd7 35.ef5 Bf8 36.Qg5 Qd4 37.Kh1 b3 (37...b3 38.f6 Qf6–+) 0–1. Groszpeter,Attila (2375) – Lukacs,Peter (2420), Kecskemet, 1979.

12.Bf3 Be6 13.Be4 –+.

12.Qb3 Na6 13.a3 Bd6 14.Nd2 Qh6 15.g3 c6 16.Rfc1 Nac7 17.Bf3 Rb8 18.Rc6=+ Bd7 19.Rc2 Nb6 20.Qc3 Ne6 21.Qa5 Nc8 22.Ne4 Be7 23.Rac1 Nf8? 24.Nc5?? b6=+ 25.Qb4 Bh3 26.Qb3 Nd6 27.Na6 Rd8 28.Rc7 Qf6 29.Bd5 Nc8 30.R1c6 Qf5 31.e4 Qh5 32.Nb4 a5–/+ 33.Na2 Rd5!–+ 34.ed5 a4! 35.Qd3 Qd5 36.f3 Qa2 37.Rc2 Qb1 38.Kf2 Bd6 39.R7c3 Bd7 40.Qd2 Ne7 41.Kg2 Nd5 42.Rb2 Nc3 43.Qc3 Qa1 44.Qd2 b5 45.Ra2 Qb1 46.Rb2 Qf5 (46...Qf5 47.Qc3 Ne6–+) 0–1. Szczesiak,Zenon – Pegiel,Marek, corr 2. AMM, Poland, 1994.

12.Qb3 Nc6 13.h4 Qd8 14.Bf3 Be6 15.a3 Be7 16.Qb7–/+ Na5 17.Qa6 c6 18.Nd2 Bh4 19.Rfc1 Be7 20.Rc2 Rb8 21.Qe2 Rb6 22.Qd3 g6 23.Kh1 f5 24.Rac1 Bd6 25.Kg1 Qe7 26.Ra1 Nf6 27.Qc3 Nb3 28.Nb3 Bb3 29.Rb2 Nd5 30.Qa5 Qh4 31.Rb3 Qh2 32.Kf1 Rb3 33.Bd5 cd5 34.Qd5 Kh8 35.Qb3 Qh1 36.Ke2 0–1. Boer,GH – Timmerman,Gert Jan, corr NED Cup10 qf, 1983.

12.Bf3 c6 13.a3 Ba5 14.Nd2 Bd2 15.Qd2 Nd7 16.Rac1 N7f6 17.Bd5 cd5 18.f3 Bd7 19.Rfe1 Bc6 20.Rc3 h5 21.Qc2 Re8 22.Re2 h4 23.h3 Nh5 24.Rf2 Ng3 25.Qd1 a6 26.Qd2 Bb5 27.Qe1 Nf5 28.f4 Qf6 (28...Qf6 29.Qd2 b6–+) 0–1. Berreteaga – Arenys de Munt, corr, 1988.

12.Bf3 c6 13.a3 Ba5 14.Kh1 Nd7 15.Nd2 N7f6 16.Nc4 Bc7 17.e4 Ne4! 18.Be4 Qf4 19.Bh7 Kh7 20.Qh5 Kg8 21.Ne5 Be6 22.Rae1 Nf6 23.Qf3 Qd4 24.Nc6 Qd6 25.Ne5 Nd7 0–1. Wilk,Krzysztof (2140) – Pejka,Marek, Jantar Baltyku op–A, 1998.

12.Bf3 c6 13.Qb3 Na6 14.a3 Bd6 15.Nd2 Rb8 16.Ne4–/+ Qh6 17.g3 Bc7 18.Nc3 Nc3 19.Qc3 Qf6 20.Be2 b6 21.Rac1 c5 22.Rfd1 Bb7 23.Qb3 Qc6 24.f3 Bd6 25.e4 Nc7 26.Bc4 Qe8 27.dc5 Bc5 28.Kg2 Bc6 29.Rd3 Ra8 30.Rcd1 Qe7 31.a4 a6 32.Rc1 a5 33.Qd1 Rf8 34.Bb3 g6 35.Rc2 Ne6 36.Qa1 Rd8 37.Rcd2 Bb4 38.Rd8 Nd8 39.Rd1 Nb7 40.Bd5 Bd5 41.Rd5 Nd6 42.h4 h5 43.Qd1 Bc5 44.Qd3 Qe6 45.Kh2 f6 46.Kg2 Kg7 47.Kh2 Nf7 48.f4 Nd6 49.f5 gf5 50.ef5 Qe1 51.Qf3 Ne4 52.Rd7 Kf8 53.Qg2 Bd6 (53...Bd6 54.Kh3 Qe3 55.Rd8 Ke7–+) 0–1. Babovic,S – Milicevic,Dragoljub, corr JUG–ch M, 1980.

12.Bf3 Be6 13.a3 Bd6 14.Nd2 Nc6 15.Ne4 Qe7 16.Nd6 Qd6 17.Bd5 Bd5–+ 18.f3 b6 19.Qc2 Na5 20.e4 Bc4 21.Rf2 Qd4 22.Rd1 Qc5 23.Qb2 h6 24.h4 Nc6 25.Kh2 Qe7 26.g3 Ne5 27.Qc3 Qf6 28.Qe3 c5 29.Kg2 Bb5 30.Qc3 Re8 31.Rfd2 Qe6 32.Rd6 Qc4 33.Qc4 Nc4 34.Rd8 Ne3 (34...Ne3 35.Kf2 Nd1 36.Rd1 Rc8–+) 0–1. Berreteaga – Arenys de Munt, corr, 1988.

12.Bf3 Nf6 13.Qb3 Na6 14.a3 Ba5 15.Nc3 c6–+ 16.Rad1 Nc7 17.e4 Rb8 18.Rd3 Qh4 19.g3 Qh6 20.Qd1 Bh3 21.Bg2 Bg2 22.Kg2 Bc3 23.Rc3 Ne4 24.Rd3 Re8 25.Re1 Re6 26.Qa4 Ng5 27.Re5 Qh3 28.Kg1 f6 29.Re6 Qe6 (29...Qe6 30.Re3 Qa2 31.Qb3 Qb3 32.Rb3 b6–+) 0–1. Szczepaniak,Alicja – Kuperski, corr 1. AMM Poland, 1991.

11.Qa4 Nc6 12.Nc6 (12.g3 Ne5 13.fe5 Qe5–+) 12...bc6 13.Bf3 Qa1 (13...Qf4 14.Qc6 Bb7 15.Qb7+=) 14.Ke2 Nd5 15.Bd5 Bg4 16.Kf2 (16.Ke3 Bc5 17.d4–+) 16...Qd4 (16...cd5?! 17.Qb4 Qa2 18.Qd4–+) 17.Kg3 cd5 (17...Qd5?! 18.Qb4 h5 19.Re1–+) 18.Kg4 f5 (18...f5 19.Kh3 Qf4–+) 0–1. Domingo,Jordi (1950) – Plant,Kevin D (2220), FICGS, 2010.

11.Qa4 Bd7 12.Nd7 Qa1 13.Kf2? (13.Ne5 c6 14.Qb3=+) 13...Nd5 14.Nc3 (14.g3 Nd7 15.Qd7 Qd4 (< 15...Qa2 16.Re1–+) 16.Kf3 Bd2–+) 14...Qh1 (14...Nc3? 15.Qb4 (15.Ra1?? Na4 16.Ne5 f6–+) 15...Nc6 16.Ra1 (16.dc3?! Qh1 17.Qb7 Rd8 18.Qc6 Qh2+/–) 16...Nb4 17.dc3+–) 15.Nd5 Nd7 16.Qb4 Nb6 17.Nc7 Rb8 (17...Rc8 18.Nb5 Qh2 19.Qe4–+) 18.Qd6 (18.h3 Qa1–+) 18...Qh2 19.Ne6 (19.Nd5 Qh4 20.Kg1 Re8–+) 19...Qh4 (19...fe6?! 20.Qb8 Kf7 21.Bf3 Qh4 22.g3+=) 20.Kf3 Re8 (20...fe6 21.Qb8 Kf7 22.Qa7 Qh5 23.Kg3 Qe2 24.Qb7 Kf6 25.Qb6 Qd2 26.Qf2=) 21.Nd4 Qe7 (better is 21...Qh5 22.Kg3 Qa5 23.Bb5–+) 22.Qe7 Re7 23.Nb5 (23.g4 Rd7 24.Nb3 Kf8–+) 23...a6 (23...Rd7 24.Na7 Rd2 25.Nb5–+) 24.Nc3 Rd7 25.Ke3 Nd5 (26.Nd5 Rd5–+) 0–1. Smolenski – Munninghoff, corr ICCF cup III/68, 1976.

11.Qa4 Ng2 12.Kd1 Nc6 (12...Qf4?! 13.Qe8 Bf8 14.Bc4 Bg4 15.Kc1= Bh5 16.Bd5 Nd7 17.Qa8–/+) 13.Bd3?? (better 13.Nc3 Bc3 (13...Bf5 14.Nd5 Qd6 15.Bf3 Nf4 16.Nc4 Qc5 17.Nde3–+) 14.dc3–+ Be6 15.Bd3 Nf4 16.Bh7 Kh7 17.Nc6–+; 13.Nc6 Qa1 (13...bc6 14.Qb4 Qa1 15.Qe4 Bh3 16.Bd3 g6 17.Rg1–+) 14.Qb4 bc6 15.Qe4 Bh3 16.Bd3 g6 17.Rg1–+) 13...Nf4 14.Nc6 (14.Re1–+) 14…Nd3 (14...Nd3 15.Qb5 Nf2 16.Kc2 bc6 17.Qb4 Qa1–+; 14...Qa1?! 15.Nb4 Be6 16.Qc2 Nd3 17.Nd3 Ba2 18.Kc1–+; 14...Qc6?! 15.Qc6 bc6 16.Be4–+) 0–1. Gabrysch – Escaramis, corr EU–I–GT–174, 1984.

11.Qa4 Ng2 12.Kf1 Qf4?!

11.Qa4 Ng2 12.Kf1 Nf4 13.Qe8 (13.d4? Bh3–+; 13.Nc3? Ne2 (13...Nd3); 13.Nf3 Qa1–+; 13.Bf3? Qe5 (13...Bh3!)) 13...Bf8 14.Ke1 (14.Nc3?! Nd3–+) 14...Ne2 0–1. Maly – Soentges, corr ICCF WT–H–444, 1983.

11.Qc1 Bf5 12.Qb2 –+.

11.Qc1 Ng2 12.Kd1 Nf4 (12...Qf4?! 13.Qc7 Na6 14.Qd8 Bf8 15.Qd5–/+) 13.Qc7? (13.d4 Ne2 14.Ke2 Nc6 15.Nc6 bc6–+ (15...Qc6?! 16.Qc6 bc6 17.Rc1–+)) 13...Nc6 (13...Nd7 14.Nd7 Bd7 15.Qd7 Qa1 16.Bd3 Nd3 17.Qd3 Qa2 18.Re1–+) 14.Nc6 (14.Qf7 Qf7 15.Nf7 Kf7–+) 14...bc6 (14...Qc6?! 15.Qc6 bc6 16.Bf3–/+) 15.Bc4 Bg4 16.Kc2 Nd5 (16...Bf5 17.Kd1 Rf8 18.Qf4 Bc2 19.Kc2 Qf4 20.Bd3–+) 17.Qb7 (17.Bd5 Qf5 (17...Qa1 18.Qf7 Kh8 19.Nc3+–) 18.Kb2 Qd5–+ (18...cd5?! 19.Qg3–+)) 17...Rc8 (17...Qa1?! 18.Qa8 Bf8 19.Bd5 cd5 20.Qd5–/+) 18.Nc3 (18.a3 Qa1 19.ab4 Bf5 20.Kb3 a5 21.ba5 Qe5–+ (worse is 21...Qa5 22.Rf1 Ra8 23.Kb2–+)) 18...Bc3 (18...Nc3 19.Qb4 Nd5 20.Qb3 Bf5 21.d3 Ne3 22.Kd2 Nc4 23.Qc4–+) 19.Raf1 Bf5 20.Kb3 Bd2 21.Qc8 Bc8 22.Rf6 gf6 (22...Nf6 23.Rf1–+) 23.Bd3 (23.Rf1 f5–+) 23...f5 24.Rg1 Kf8 25.Rg2 Be3 26.Rc2 (26.Kc2 Be6 27.a3 Bc5–+) 26...Be6 (26...c5 27.a3–+) 27.Ka3 (27.Rc6 Ne7 28.Rc4 f4–+) 27...Bd7 (27...c5 28.Ka4–+) 28.Rc4 (28.h3 c5 29.Bc4 Be6–+) 28...h6 (28...c5 29.Rh4–+) 29.Rc2 (29.Kb2 c5 30.Rh4 Bd4 31.Kb1 Kg7–+) 29...Ke7 30.Rb2 (30.Kb2 Kd6 31.a3 f4–+) 30...Bc1 0–1. Emperado,Emmanuel (2305) – Gotel,Michael (2235), NATIONAL Chess Championships GRAND FINA, 2016.

11.Nf3.

12.Qb5 c6 13.Qd3 Ng2 14.Kd1 Nf4 15.Qd4?? Ne2 16.Ke2 Nd7! 17.Nf3 Ba6 (17...Ba6 18.Kd1 Qf3 19.Kc2 Qh1 20.Qb4 Be2–+) 0–1. Wicklund Hansen,Gunnar – Hallier,Karl Heinz, corr ICCF EU–ch M, 1982.

12.Qb5 c6 13.Qd3 Ng2 14.Kd1 Nf4 15.Qe3 Ne2 16.Ke2? Ba6 17.Kd1 Nd7! 18.d4 Ne5 19.de5 Rd8 20.Kc1 Qe6 21.Qf4 Qd5 (21...Qd5 22.Qb4 Qh1 23.Kb2 Qh2 24.Ka3 Qe5–+) 0–1. Jaskulski,Klaus – Zehm,Werner, corr DDR, 1985.

12.Qb5 c6 13.Qd3 Ng2 14.Kd1 Nf4 15.Qe4 Ne2 16.Ke2 Bf5 17.Qb4?? Qe5 18.Kf3 Na6 19.Qf4 Qd5 20.Kg3 Qh1 21.Qf5 Qg1 22.Kh3 Rd8 23.a4 g6 24.Qf3 Nc5 25.Ra3 Ne6 26.Qf6 Ng5 27.Kh4 Rd4 (27...Rd4 28.Qd4 Qd4 29.Kg3 Qg1 30.Kf4 f6 31.Rh3 Qf2 32.Kg4 Qf5 33.Kg3 Qf3 34.Kh4 Qh3#) 0–1. Cubok,Zdenek (1925) – Walowy,Bohumir (2115), Karvina Mayor's Cup, 2005.

12.Kd1 a5 13.Bc4 Be6 14.Be6=+ Qe6 15.Qf3= Nf4? 16.Qf4+– Bd6 17.Re1 Nd7 18.d4 Re8 19.Qd2 Ne5+= 20.de5 Be5 21.Nc3 c6 22.Rb1 b5 23.Ne4 b4 24.Rb3 Qg4+= 25.Kc1 Rf8 26.h3+/– Qf5 27.Qf2 Qc8 28.Qc5 Bf4 29.Kb1 Qe6 30.Rf3 g5?? 31.Rf4!+– gf4 32.Rg1 Kh8 33.Qf8# 1–0. Buczinski,Henryk – Noskowicz,Krzysztof, corr XXXIII ch Poland fi, 1992.

12.Kd1 Bd6 13.Nc3 Nf4–+ 14.Ng4 Qh4 15.Ne3 Ne2 16.Ne2 Qe4 17.Rf1 Be6 18.Qc2 Qc2 19.Kc2 Bh2 20.d4 c6 21.Nc3 Nd7 22.d5 cd5 23.Ned5 Bd5 24.Nd5 Rc8 25.Kd3 Bd6 26.Rae1 f6 27.Re2 Kf7 28.Rfe1 Ne5 29.Ke3 Bc5 30.Ke4 Ng6 31.Kf3 Nh4 32.Kg4 Ng6?? 33.Rb1?? Ne5–+ 34.Kf4 b6 35.Rd1 Ke6 36.a4 g5 37.Kg3 f5 38.Rh2 f4 (38...f4 39.Kh3 g4 40.Kg2 f3 41.Kg3 Rh8–+) 0–1. Fiedler – Rosner,Dirk, corr SOK–89–37, 1989.

12.Kf2?? Nf4 13.d4 (13.Qf7 Qf7 14.Nf7 Kf7 15.Bc4 Be6 16.Be6 Ke6 17.Re1 Kd7-+) 13...Bd6 (better 13...Nh3 14.Ke3 Qf2 15.Kd3 Bf5 16.Kc4 Be6 17.Kb4 a5 18.Kc3 Bb3 19.Kb3 Qe2-+) 14.Bf3 Nd7 15.Re1 (15.Nf7 Qf7 16.Qf7 Kf7-+) 15...Ne5 (better 15...Qh4 16.Kf1 Ne5-+) 16.de5 (16.Re5 Be5 17.de5 Qh4 18.Ke3 Qe1 19.Be2 Ne2-+) 16...Be5 (16...Qh4 17.Ke3 Qe1 18.Be2 Qe2 19.Kf4 Be5 20.Kg5 Qg4) 17.Qe3 (17.Re5 Qe5 18.Qc3 Nh3 19.Kf1 Qb5 20.Be2-+) 17...Bd4 18.Qd4 Qd4 (18...Qd4 19.Kg3 g5-+) 0-1. norba94 (2355) - Mettigel (2395), Rated Blitz game, lichess.org, 2016.

13.Qb4 Qe5 14.Qb5 –+.

13.Qb4 Qe5 14.Bc4?? Nc6 15.Qc3 Bg4 16.Kc2 Nd4 17.Kb2 b5 18.Bb3 b4 (18...b4 19.Bf7 Kf7 20.Qc4 Be6–+) 0–1. Goedhart – Van Geemen,Jan, corr Netherlands, 1972.

13.Qb4 Qe5 14.Re1?? Qa1 (14...Qa1 15.Bc4 Ne6–+) 0–1. Schulz,Hans_Juergen (1750) – Muller,Henri (1825), CO7–01 www.b2–b4.com, 2005.

13.Qb4 Qe5 14.Re1 Bg4!

13.Bc4?? Qe5 14.Bf7 Kf8 15.Bg8 Bg4 16.Kc2 Qe4 17.d3 Qe2 18.Nd2 Qd2 19.Kb1 Qd3 20.Qd3 Nd3 21.Bh7 Ne5 22.Be4 Nbc6 23.Rf1 Ke7 24.a3 Bc5 25.Kc2 Rh8 26.Rh1 Nd4 27.Kc3 Rh3 28.Kb2 Nc4 (28...Nc4 29.Kc1 Rc3 30.Kb1 Rb3 31.Kc1 Rb2 32.Bf3 Rc2 33.Kd1 Ne3 34.Ke1 Nf3#) 0–1. Zumpe,Guenter – Scheppeit,Bernhard, corr DDR–ch M789, 1985.

13.d4 Nc6 14.Nc6 Qc6 15.Rf1 –+.

13.d4 Ne2 14.Ke2? Nc6 15.Nf3 Bg4 (15...Bg4 16.Rd1 Nd4 17.Rd4 Qd4–+) 0–1. Inja,E – Young,SM, corr NED–SCO, 1980.

13.Qe3 Bd6 14.d4 Ne2 15.Ke2 Be5 16.Qe5 Bg4 17.Ke1 Qh4 18.Kd2 Qf2 19.Kc1 Nc6 20.Qc7 Rc8 0–1. hal1958 – Stefan, playchess.de, 2002.

13.Bf3?? Qe5 14.Re1 Qa1 15.Qb4 Ne6 16.Bb7 Na6 (16...Na6 17.Ba6 Ba6–+) 0–1. Schmidt,Klaus Dieter – Schwertel,Gottfried, BdF, 1999.

13.Nf7 Be6 14.Qb4 Qa1 15.Nd8 –+.

14.Qb4 Nc6 15.Qb3 Qb3 16.ab3 Ne2 17.Ke2 Nd4 18.Kf2 Be6 19.Nc3 Nb3–+ 20.Ra2 a6 21.Rg1 Rd8 22.Ke3 Nc5 23.Rb2 Rd3 24.Ke2 Rh3 25.Rg2 b5 26.Kf1 Rh4 27.Kg1 Nd3 28.Rb1 b4 29.Ne2 b3 30.Nc3 b2 31.Rg3 Rd4 32.Nd1 Ba2 33.Rd3 Rd3 34.Rb2 Bd5 35.Ne3 Kf7 36.Kf2 Ke6 37.Ke2 Rd4 38.d3 Rh4 (39.Kd1 Rh3 40.Nd5 Rd3 41.Ke1 Kd5–+) 0–1. Hoysniemi,Yrjoe – Brooks,I, corr FIN–ENG, 1996.

14.Qb4 Nc6 15.Qb3 Ne2 16.Qf7 Kf7 17.Rf1 Kg6 18.Ke2 Bg4 19.Kd3 Rd8 20.Kc3 –/+.

14.Qb4 Nc6 15.Qa4 Ne2 16.Ke2 Qh5 17.Ke3 Qh3 18.Kf2 Be6 19.Nc3 Rf8 20.Ke1 Bg4 21.Qb3 Kh8 (21...Kh8 22.Ne2 Qg2–+) 0–1. Franke,R – Porzig,H, corr DDR, 1988.

14.Qb4 Nc6–+ 15.Qe4? Bf5 16.Qa4 Ne2 17.Ke2 Qh5 18.Kf2 Rf8 19.Ke1 Re8 20.Kf2 Re2 21.Kg3 Qh3 22.Kf4 Qg4# 0–1. Loeschner,M – Carlsson,I, corr ICCF EU–M, 1978.

14.Qb4 Nd3 15.Bd3 Qf3 16.Kc2 Qh1 17.Bc4 Qd5 18.Bd5 Be6 19.Be6 Kh8 20.Qf8.

14.Qb4 Ne2 15.Ke2 c5 16.Qh4 Nc6 17.Rf1 Bg4! 18.Qg4 Re8 19.Kd1 Qf1 20.Kc2 Nd4 21.Kb2 Qb5 (21...Qb5 22.Kc3 Qb4 23.Kd3 b5 24.Qd4 cd4 25.Nc3 Qc4 26.Kc2 d3 27.Kb2 Qb4 28.Kc1 Re1 29.Nd1 Qa3 30.Kb1 Rd1#) 0–1. Lothal – Melzer, corr DDR, 1986.

14.Bc4–/+ Be6 15.Be6 Ne6 16.Re1 Nc6 17.Qe6 Qe6 18.Re6 Bd6 19.h4 Be5 20.Nc3 Rf8 (20...Rf8 21.Rc1 Rf1 22.Kc2 Nb4 23.Kb3 Rc1 24.Re5 Nc6–+) 0–1. Lindqvist,Ingvar – Soerenfors,Per, corr SSKK 1–08, 1975.

11.Qg4 Nc6 12.0-0 Ne5 13.Qe2 Qe6 –+.

11.Qg4 Nc6 12.Nc6 Qa1 13.0-0 bc6 14.Nc3 Qb2 15.Rb1 Qc2 16.Qe4 Qe4 17.Ne4 Re8 18.d3 f5 19.Ng5 a5 20.g3 g6 (20...Be7 21.Ne6–+) 21.Kf1 Be7 22.Nf3 Nb4 23.d4 Bd6 (23...a4 24.a3 Nd5 25.h3–+) 24.Nd2 (24.a3 Nd5–+) 24...a4 25.Nc4 Na2 26.Ra1 Nc3 27.Nd6 cd6 28.Ra3 Ne4 29.Ra4 Rb8 (30.Ra2 c5–+) 0–1. Feilmayr,Erwin – Cottarelli,Franco, corr ICCF TT, 2003.

11.Qg4 Qe5 12.Qc8=+ Bf8 13.Qb7?? Qa1–+ 14.0-0 Nb6 15.Nc3 Qb2 16.Nd5 N8d7 17.Nc7 Rb8 18.Qa7 Qd2 (18...Qd2 19.a4 Bd6–+) 0–1. Rosner,Dirk – Baumert,X, corr, 1997.

11.Qg4 Qe5 12.Qc8 Bf8 13.d4 Qe6 14.Qb7 Bb4 15.Nd2 Nb6 16.a3 (16.Qc7? Nc6 17.a3 Ba5–+) 16...Ba5 17.Rb1 (17.Qc7? Nc6 18.Qg3 Nc4–+) 17...N8d7 18.Rb2 Rb8 (18...Bc3 19.Rb1–+) 19.Qa7 Bc3 20.Rc2 Qb3 21.Kd1 (21.Rc3 Qc3 22.Ke2–+) 21...Bd2 22.Kd2 Nc4 23.Rc4 Qc4 (23...Qc4 24.Qb8 Nb8–+) 0–1. Lundin,Jan (2305) – Norberg,Johan (2205), SWE–chB Gothenburg, 2006.

11.Qg4 Qe5 12.Qc8=+ Bf8 13.d4 Qe6 14.Qb7=+ Ne3 15.fe3 Qe3 16.Kd1?? Nc6?? 17.Qa8= Qd4 18.Ke2 Qe4 19.Kf2 Qf4 20.Ke1 Qe3 (20...Qe3 21.Kd1 Qd4 22.Ke2 Qe4 23.Kf2 Qf4 24.Ke1 Qe3 25.Kd1 Qd4=). Ford,Richard Henry – Warren,Helen Edna, corr, 1983.

9.0-0 Nc6 10.d4 (10.Bb2 h6=+) 10...Bc3 (10...f6 11.Bg3 Qd7=+) 11.Nc3= Nc3 12.Qd2 Ne2 13.Qe2 Bg4 14.h3 (no result, Black withdrew). Lui,Eti - Hall,D, NZL NZCCA TT Class, 1995.

9.0-0 Nd7 10.Qb3 Ne5 11.Ne5 Re5 12.d4 Re6 13.Bc4 Be4 14.Bd5 Qd5 15.Qb4 Bg2 16.Re1 Bh3 0–1. Pennell – Wall, Taylorsville 1975.

9.0-0 Nd7 10.Qb3? Ne5–+ 11.Ne5 Re5 12.d4 Re6 13.Bc4 Rh6 14.Bd5+= Qh4 15.Bf7 Kh8=+ 16.Rd1?? Qh2–+ 17.Kf1 Qh1 18.Ke2 Bg4 19.Kd3 Qd1 (19...Qd1 20.Qd1 Bd1–+; better is 19...Bd1 20.Nd2 Bb3 21.Rh1 Bf7 22.Rh6 gh6–+) 0–1. Pennell,Gary – Wall,Bill, Taylorsville,NC, 1975.

9.Bb2+= c5 10.0-0 Nc6 11.h3 Bh5 12.d4 cd4 13.Nd4 Be2 14.Qe2 Nd4 15.Bd4 Nf4 16.Qb2 Nh3?? (better is 16...Ne2! 17.Kh1 Nd4 18.ed4 Qd6+=) 17.gh3+– Qg5 18.Kh2 Bd6 (18...Bc5 19.Bc5 Qc5 20.Rg1+–) 19.f4 Rac8 (19...Qe7 20.Nc3 f6 21.Rg1+–) 20.Rg1 (20.Qb7 Rc2 21.Nd2 Rd2 22.Kh1 Qg3 23.Rf2 Rf2 24.Qf7 Kf7 25.Ba7 Qg2) 20...Qf5 21.Rg7 Kf8 22.Rg2 Bf4 23.ef4 Qf4 24.Kh1 Re1? 25.Bg1 Rcc1 26.Qb7 Qe5?? 27.Qb4 Ke8 28.Rg8 Kd7 29.Qb7 Ke6 30.Re8 Kf6 31.Re5 Rg1 32.Kh2 Ke5 1–0. marvis (1735) – zakkerman (1725), internet, 2013.

9.Bb2=+ c5 10.0-0 Nc6 11.h3 Bh5 12.d4 Qe7 13.a3= Ba5 14.Qb3 Rad8 15.dc5 Qc5 16.Rc1 Qe7 17.Bd1 Bb6 18.Nc3? Ne3!–+ 19.fe3 Qe3 20.Kh1 Rd2! 21.Nb1?! Qb3 22.Bb3 Rb2 23.Bd5 Bf3 24.Bf3 Nd4 25.Bb7 Nb3 26.Nc3 Na1 27.Ra1 g6 28.Bd5 Bd4 29.Ne4 Re2 30.Rf1 R2e4 31.Bf7 Kg7 32.Be8 Re8 33.Rd1 Bb6 34.Rd7 Kh6 35.a4 Re5 36.g4 Ra5 37.h4 Ra4 38.g5 Kh5 39.Rh7 Kg4 40.h5 Kg3 (40...Kg3 41.Ra7 Rh4#) 0–1. Hirth,Ullrich – Simon,Ralf Axel, Biel, 1992.

9.Bb2 c5 10.0-0 Nc6 11.h3 Bh5 12.d4 Qe7 13.Ne5 Be2–/+ 14.Nc6 Bd1 15.Ne7 Re7 16.Rd1 c4 17.Rc1 Rc7 18.Nc3 Nc3 19.Bc3= Bc3 20.Rc3 b5 21.e4 b4 22.Rc2 a5 23.d5 c3 24.d6 Rd7 25.e5 f6–+ 26.f4 Re8 27.a3–/+ fe5 28.fe5? Re5–+ 29.ab4 ab4 30.Ra8 Kf7 31.Rb8 Re4 32.Rb6 Rd4 33.Rf2 Ke6 0–1. Sixty4 – Gyr, playchess.de, 2002.

9.Bb2 Nc6 10.0-0 =+.

9.Bb2 Nf6 10.0-0 (10.Qb3 Nc6=) 10...Nc6 11.Ng5 Be2 12.Qe2 h6 13.Nh3 Ne7?? (13...Rb8 14.d3=) 14.Nf4?? (better 14.Bf6 Qd7 15.Be7 Be7 16.Nc3+-) 14...Ned5= 15.Nd5 Nd5 (15...Qd5? 16.Bf6 Re6 17.Bc3+-) 16.Rd1 (16.Qg4 Bf8=) 16...c6 (16...Qh4 17.Nc3 Rad8 18.Qf3=) 17.Nc3 (17.Qg4 Bf8=) 17...Nf6 (17...Nf4 18.Qg4 Nd3 19.Rdb1=+) 18.Qf3 Qe7 (18...Qd3 19.Rab1=+) 19.Qg3 (19.Ne2 Ne4=) 19...Rad8 20.f3 (20.d3 Bd6 21.Qh4 Qe6=+) 20...Bd6 21.f4 Bc7 22.e4 (22.Ne2 Bb6 23.Kf1 Rd3=+) 22...Bb6 (22...g5 23.Qh3-/+) 23.Kh1=+ Bd4 (23...Qe6 24.h3=+) 24.e5 Ne4?? (better 24...Nd5=+) 25.Ne4+/- Bb2 26.Rab1 (26.Nf6 Kh8 27.Ne8 Re8+/-) 26...Bd4 (26...Be5!? 27.fe5 Qe5+=) 27.Nf6+/- Kh8 28.Ne8 Qe8? (better 28...Re8 29.Qf3 Kg8+/-) 29.Rb7+- Bb6 (29...Rd7 30.Rd7 Qd7 31.Qd3+-) 30.Qb3 (30.f5!? Bd4 31.Re1 Qg8+-) 30...Rd7 (30...Kg8 31.d3+-) 31.Rd7 Qd7 32.d4! Bd4 (32...Qg4+-) 33.Qb8 (better 33.Qa4 Qf5 34.Rd4 g5+-) 33...Kh7 34.Qd6 Qd6 35.ed6 Bf6 36.d7 Bd8 37.Rd6 (37.Rb1 Kg6 38.Rb8 Ba5+-) 37...c5 (37...Kg8 38.Rc6 Kf8 39.Ra6+-) 38.Rc6 c4 (38...a5 39.Rc8 Be7 40.Rc5+-) 39.Rc4 Kg6 40.Rc8 Be7 41.d8Q Bd8 42.Rd8 f6 (42...a5 43.Ra8 Kf5 44.Ra5 Kf4 45.a4+-) 43.Ra8 Kf5 44.Ra7 g6 45.Rb7 (45.Ra6 g5+-) 45...Kf4 46.a4 g5 47.a5 f5 48.a6 Kg4 (48...Ke4 49.a7 Kd5 50.a8Q Kc6 51.Qc8 Kd6 52.Qd8 Kc5 53.Rc7 Kb5 54.Qb8 Ka4 55.Ra7) 49.a7 f4 (49...Kh4 50.a8Q Kh5 51.Qe8 Kg4 52.Qe2 Kh4 53.g3 Kh3 54.Qh5) 50.a8Q h5 (50...Kf5 51.Rb5 Kg6 52.Rb6 Kf5 53.Qd5 Kg4 54.Qe6 Kh5 55.Qh3) 51.Qc8 Kh4 52.Rb3 (52.Qh3) 52...f3 53.Rf3 (53.g3) 53...g4 54.Qd8 1-0. BSab (1765) - BIV (1995), Rated Blitz tournament, lichess.org, 2014.

9.Bb2 Bf8 10.0-0 c5 11.Nc3 Nc3 12.Bc3 Nc6 13.Qa4 Qc7?? 14.Qg4+– 1–0. Brenner,Sabine – Kell,Felicitas, VR2DEM U20w Koeln, 1995.

9.Bc3 Nc3 10.Nc3 Bd6 (10...Nc6 11.0-0=+) 11.0-0 c6 12.d4 Qf6 (12...Nd7 13.Qb1 Rb8 14.Ne4=) 13.Qc2 (13.Bd3 Bf3 14.Qf3 Qf3 15.gf3 Nd7=) 13...Nd7 14.Ne4 (14.Rfd1 Nb6=) 14...Qg6=+ 15.Bd3 Bf3 16.Ng3 Qg4 (16...Qh6 17.gf3 c5 18.f4 cd4 19.Nf5 Qg6 20.Ng3=) 17.gf3 (17.Bh7!? Kh8 18.Bf5+=) 17...Qf3 (17...Qh4 18.Rfb1 Rab8 19.f4=) 18.Bh7= Kf8 19.Bf5 (19.Be4 Qf6=) 19...Nf6 20.Qe2 (20.Rab1 Rab8=) 20...Qd5 (20...Qe2 21.Ne2 g6 22.Bd3=) 21.Bc2 (21.Bd3 Rad8=) 21...g6 (21...Bg3 22.hg3 Qd4 23.Rfd1=+ (23.ed4? Re2 24.Rfc1 Rd8-+)) 22.Bb3 (22.f4 Re7=) 22...Qg5=+ 23.Qf3 Kg7 24.Rac1 Rh8 25.Qg2 Rh4 26.f4 Qg4 27.Bd1 Qe6 28.Rf3 Rah8 (28...Qd7 29.Bc2 Kh7 30.Ne4 Ne4 31.Be4=+) 29.Nf1 (29.f5 Qd7 30.fg6 Rh2 31.Nf5 Qf5 32.Rf5 Rg2 33.Kg2 Rh2 34.Kg1 Kg6 35.Ra5+/-) 29...Nd5 Attacks the backward pawn on e3 (29...Qe7 30.Bb3-/+) 30.Bb3 Qe4 (30...Qf6 31.Qg3-/+) 31.Bd5 (31.Ng3 Qd3 32.Rd1 Qe3 33.Re3 Ne3=) 31...Qd5=+ 32.Rg3 Qe6 (better 32...Qb5=+) 33.Re1?? (33.Qb2 Rb8=) 33...Bb4?? (better 33...Bf4 34.Rf3 Bh2 35.Nh2 Rh2 36.Qh2 Rh2 37.Kh2 Qa2 38.Kg3 a5-+) 34.Re2 (34.Rb1 Qe7=) 34...b6 (34...R8h6 35.Rb2 Qe7 36.f5=+) 35.Qf3 (35.f5 Qf5 36.Qc6 Re4=) 35...c5 (35...Qf6 36.Reg2=+) 36.dc5 (36.f5 Qf6 37.fg6 A) worse 37...fg6 38.Qb7 Kh6 A1) 39.Qa7 Rf8 (39...cd4?! 40.Rf2 Qe6 41.Rfg2=+) 40.Rg6 Qg6 41.Rg2 Rg4 42.Rg4 Qg4 43.Ng3 Qd1 44.Kg2 Qf3 45.Kg1 Qe3 46.Kh1 Qe1 47.Kg2 Rf2 48.Kh3 Qe6 49.Nf5 Qf5 50.Kh4 Qf4 51.Kh3 Rh2; A2) 39.Rf2+/-; B) 37...Qf3 38.Rf3 fg6=) 36...bc5=+ 37.Kg2 (37.f5 Qe4=+) 37...Qf6 38.f5 g5 (38...c4 39.Qb7 Qe7 40.Qe7 Be7 41.fg6=+) 39.e4= Qe5 (39...Re8 40.Rg4=) 40.Kg1 (40.Rg5!? Kf6 41.Rg3+=) 40...f6=+ 41.Ne3 (better 41.Qe3!?=+) 41...c4 42.Ng4 Bc5 43.Kg2 Qd4 44.e5?? (better 44.Re1 Qd2 45.Qe2-/+) 44…Qg1 0-1. javirod1983 (2420) - AyMisho (2545), LIBERTADORES BULLET DIV, 2021.

8.a3 Be7 9.Nd4 Bg6 10.Qb3 Nb6 11.Nb5 Na6 12.d4 c5 13.N5c3 cd4 14.ed4 Nb8 15.Bb5 a6 16.Bc4 Nc6 17.Bd5 Na5 18.Qa2 Bb1 (18...Nd5?! 19.Nd5 Rc8 20.Ne7 Qe7 21.0-0–/+) 19.Rb1 Rc8 (19...Nd5?! 20.Nd5 Rc8 21.Ne7 Qe7 22.0-0=) 20.Rb6 Rc3 (21.Qb2 Rc8 (< 21...Ra3 22.Be4 Nc4 23.Bh7 Kh8 24.Rh6–+) 22.Rb7 Qd5 23.Re7 Qe4 24.Kd1 Nc4–+) 0–1. Lonnie – crafty, ICC, 1999.

8.Nc3 Be6 +=.

8.Bc4 Nb6 9.Be2 Nc6 10.Bc3 Bd6 11.0-0 Nb4 12.Nd4 Bg6 13.f4 c5 14.Nb5 Bc2 15.Qe1 Be7 16.Qg3 Bf6 17.N1a3 Be4 18.Nc4 N4d5 19.Ncd6 Nc3 20.dc3 Qe7 21.Rad1 Bc6 22.c4 Bd7 23.Na3 (23.a3 a6 24.Nc7 Rab8–/+) 23...Na4+= 24.Nb1 (worse is 24.Nb7 Nc3 25.Qf2 Nd1 26.Rd1 Ba4–+) 24...b6 25.Rd2 Rfd8 26.Qf3 Rab8 27.Qe4 Be6 28.Rfd1 Nb2 29.Nf5 Qc7 30.Rd8 Rd8 31.Rd8 Qd8 32.Ng3 g6 33.Qc2 Qe7 34.Nd2 Bd7 35.Nde4 Bg7 36.Qd2 Be6 37.Nd6 f5 38.Kh1 Qd7 39.e4 Bd4 40.e5 Qa4 41.Qc1 Qa2 42.Nf1 Qa4 (42...Qb3 43.Qb1–/+) 43.Qe1 Qd7 (43...Bc4 44.Qh4 Qd7 45.Nc4+– (45.Bc4?! Nc4 46.Nc4 b5+=)) 44.Qg3 a5 45.Nd2 Na4 46.Nb1 Kg7 47.Qh4 Nb2 48.Na3 h6 49.Nab5 ½–½. Van Rooijen,Peter (1690) – Ermolaev,Andrey (1850), IECG, 2004.

8.Bc4 Nc6 9.Bc3 (9.Nc3 Nb6 10.Qb3 Qe7–/+) 9...a6 (9...Be6 10.Qe2–/+) 10.a3 Be7 11.d4 Nc3 (11...b5 12.Bd3 Qd7=) 12.Nc3= Na5 13.Bd3 Bd3 14.Qd3 c5 15.0-0 b5 16.Rfd1 c4 17.Qf5 Qd6 18.Qd5 (18.Nd5 Nb3 19.Ra2 Rae8+=) 18...Rad8 19.Qd6 Bd6 20.Ne4 Be7 21.Nfd2 (21.Ra2 f5 22.Nc3 g5+=) 21...f5 22.Nc5?? (better is 22.Nc3+=) 22...Bc5–+ 23.dc5 c3 24.Nf3 c2 25.Rd2 (25.Rdc1 Nb3 26.Nd4 Rd4 27.ed4 Nd4 28.h4–+) 25...Rd2 26.Nd2 Rd8 (26...Rd8 27.Kf1 Rd2–+) 0–1. Di Pietro,Rosario (1665) – Quattrocchi,Gaetano (2275), WQE008 – quartetto webserver n., 2009.

8.Be2 Nc6 9.Bb2 +=.

9.0-0 Ne5 10.Ne5 Qe7 11.Nd3 (11.d4 Rad8=+) 11...Bd6-/+ 12.Qb3 Rad8 13.Qb7 (13.Nc3!? Nc3 14.dc3-/+) 13...Bd3-+ 14.Bd3 Nb4 15.Qe4? (better 15.Bh7 Kh7 16.Nc3-+) 15...Nd3 16.Qd3 (16.Qe7 Be7 17.Nc3-+) 16...Bh2! 17.Kh2 Rd3 18.Nc3 Rd2 19.Kg1 Rb8 20.Rfd1 Rbb2 21.a4 (21.Rd2 Rd2 22.Rf1 Qe5-+) 21...h5 (21...Rf2 22.Kh2 Rg2 23.Kh3 Qe3 24.Kh4 Qh6) 22.Nd5 (22.Rd2 Rd2 23.Rb1 c6 24.Rb8 Kh7-+) 22...Qd6 (22...Qe5 23.Rd2 Rd2 24.Ne7 Qe7 25.Rf1-+) 23.Nc3 (23.Rd2 Rd2 24.Nf4 Rd1 25.Rd1 Qd1 26.Kh2 Qa4-+) 23...Rf2 (better 23...Qd3! 24.Rd2 Qd2-+) 24.Rd6 Rg2 25.Kf1 Rbf2 26.Ke1 Rc2 (better 26...cd6 27.Ne4 Rc2-+) 27.Nd5?? (27.Rd8 Kh7 28.Kf1-+) 27…Rg1 0-1. fishissushi – BeboChess, Rated Blitz game, lichess.org, 2019.

10.0-0 c6 11.d4 (11.a3 Ba5=) 11...Ne4 12.Nbd2 (12.Qb3 Qe7=+) 12...Nec3=+ 13.Bc3 Nc3 14.Qe1 Qe7 15.Bc4 (15.a4!?–/+) 15...a5 16.a3 (16.Be2 a4–/+ (16...Ne2?! 17.Qe2 Rad8 18.Nc4=+)) 16...Ba3–+ 17.Nb3 Bb2 18.Nc5 (18.Ra5 Ra5 19.Na5 Qb4 20.Nb7 Qb7–+) 18...Ba1 (18...b6 19.Na4 Ba1 20.Nc3 Bc3 21.Qc3–+) 19.Qa1 Ne4 20.Ne4 (20.Bd3 Rfe8–+) 20...Be4 21.Nd2 b5 (21...Bf5 22.Nf3–+) 22.Be2 (22.Ne4 Qe4 (22...bc4?! 23.Nd2–+) 23.Ba2 Rfb8–+) 22...Bd5 23.Nf3 (23.Qb1 Qg5 24.Ne4 Qg6–+) 23...a4 24.Ne5 (24.Rc1 Rfb8–+) 24...a3 (24...b4 25.Rc1–+) 25.Bd3 (25.Re1 Qd6–+) 25...f5 (25...f6 26.e4 fe5 27.ed5–+) 26.Rc1 (26.f3 b4–+) 26...Qb7 (26...Qg5 27.g3 b4 28.Rc6 Bc6 29.Nc6–+) 27.f3 (27.Rb1–+) 27...b4 28.e4 (28.Rb1–+) 28...b3 29.Re1 (29.Qc3 b2 30.Rb1 a2 31.ed5 cd5–+) 29…b2 (29...b2 30.Qd1 a2 31.ed5 cd5–+) 0–1. jlbaf – johndyson, net–chess.com, 2017.

10.0-0 Nd3?! 11.Qb3 Nb2 12.Qb2 Qf6 13.d4 Qb6 14.Nfd2 Bc3 15.Qb6 ab6 16.Nc3 Nc3 17.Bc4 b5 18.Bb3 Ra6 19.h3? (19.Kh1) 19...Rfa8 20.Kh2 Na2 21.e4 Bd7 22.f4 Nc3 23.Rae1 b4 24.e5 Ra2!? 25.Nf3? Rb2 26.Bf7? Kf7 27.e6 Be6 28.Ng5 Kg8 29.Ne6 Raa2 30.Kg3 Rg2 31.Kh4 Rge2 32.Re2 Re2 33.f5 b3 0–1. Bender – Steffan, corr DDR.

10.0-0 Nd3 11.Bd3 (11.Qc2!? Ne7 12.Bg7=) 11...Bd3+= 12.Re1 b6 (12...Bd6 13.Ne5 Be5 14.Be5+=) 13.Qb3 (13.Ne5 Be4=) 13...Be4+= 14.a3 Bf3 15.gf3 Be7 16.Nc3 Nf6 17.Rad1 (17.d4 c6+=) 17...Qd3–/+ 18.Qa4 Qg6 19.Kf1 Qd3 20.Kg1 Qg6 ½–½. Djurisic,Dusan (1990) – Cosic,Nebojsa (1845), Belgrade–ch, 2009.

10.0-0 Qd6 11.Na3 Nd3 12.Nc4 =.

10.0-0 Qe7 11.a3 Ba5 12.d4 Ne4 13.Qb3 c6 14.Rd1 Rfe8 15.Nfd2? (better is 15.Ne5+=) 15...Nf2!–+ 16.Kf2 (16.Re1 Bc2!! 17.Qc2 Qe3–+) 16...Ne3 (16...Bc2 17.Bc1 Bb3 18.Nb3 Ne3 19.Rh1–+) 17.Nf1 (17.Rc1 Bc2! 18.Rc2 Nc2 19.Qd3 Qh4 20.Qg3–+) 17...Ng2! (17...Nd1?! 18.Qd1 Rad8 19.Ng3–+) 18.Bf3?? (18.Kg2 Qe2 Discovered attack (18...Qe2 Deflection; 18...Qe2 Overloading)) 18...Ne1–+ 19.Nbd2 Bc2 (better is 19...Nd3 20.Kg2 Qg5 21.Ng3 Bd2 22.Rf1 Bh3 23.Kh1–+) 20.Qc4 (20.Re1 Qh4 21.Kg2 Qg5 22.Kh1 Bb3 23.Re8 Re8 24.Nb3 Qb5 25.Na5 Qb2–+) 20...Bd3 (20...Bd2 21.Re1 Be1 22.Kg1 Qg5 23.Bg2–+) 21.Qc5 (21.Re1 Qh4 22.Kg2 Qg5 23.Kh1 Bc4 24.Re8 Re8 25.Nc4–+) 21...Qh4 22.Kg1 Bd2 (22...Bd2 23.Qh5 Nf3 24.Qf3 Be2–+) 0–1. Abreu Suarez,Isauro (1995) – Rodriguez Gonzalez,Javier (2235), Tenerife ESP, Liga Por Equipos, 2014.

10.0-0 Qe7 11.a3 Ba5 12.Nd4 Be4 +=.

10.0-0 Qe7 11.a3 Ba5 12.Ne5 c6 13.d4 Ne4 14.Bf3 Rad8 (14...f6 15.Nc4 Bc7 16.Nbd2+=) 15.Qb3 (15.Qa4 Bc7 16.Be4 Be4+=) 15...Bc7 16.Be4 (16.Qb7? f6 17.Be4 Be4–+ (17...fe5 18.Bf5 Rf5 19.Qc6+/–)) 16...Be4 17.Nd2 Bg6 (17...Bf5 18.e4 Be5 19.de5=) 18.Ng6= hg6 (18...fg6 19.e4 Bf4 20.ed5 Bd2 21.dc6 Qf7 22.Qb7 Qb7 23.cb7+/–) 19.a4 (19.Qb7?? Bh2 20.Kh2 Qb7–+) 19...Rfe8 20.Ba3 (20.Qb7?? Bh2 21.Kh2 Qb7–+) 20...Qh4 (better is 20...Qd7!?=) 21.g3 Qh3 22.Qb7 Re6 23.Rac1 Rf6 24.Rc6 (24.Ne4 Rf5 25.f3 (25.Qc6?? Rh5 26.Rfe1 Qh2 27.Kf1 Qh1 28.Ke2 Qe4–+; 25.Rc6 Ne3 26.Nf6 gf6 27.Rcc1 Bg3 28.hg3 Rh5 29.Qf7 Kf7 30.Rc7 Kg8 31.Rg7 Kg7 32.Bf8 Rf8 33.fe3 Qg3) 25...Ne3 26.Rf2 Bg3 27.Ng3 Rf3 A) 28.Rc6 Rg3 29.hg3 Qg3 30.Kh1 Qf2–+; B) 28.Qa7 Rg3 29.Kh1 Rf3 30.Qf7 Rf7 31.Kg1 Qg4 32.Kh1 Rf2 33.Rg1 Qg1 34.Kg1 Rf1; C) 28.Qc6? Rg3 29.hg3 Qg3 30.Rg2 Ng2 (30...Qg2?! 31.Qg2 Ng2 32.Kg2 Rd4 33.Rc8 Kh7 34.Bc5 Ra4 35.Rc7–/+) 31.Qg2 Qa3–+; D) 28.Bd6 Rf2 29.Kf2–/+) 24...Rb8= 25.Qa6 (25.Rc7 Rb7 26.Rb7 Nc3=) 25...Ne3 (25...Bg3 26.fg3 Ne3 27.Rf2 Rf2 28.Kf2+=) 26.fe3= Bg3 27.Rff6 Qh2 28.Kf1 gf6 29.Rf6 Qd2 30.Rg6 fg6 31.Qg6 Kh8 32.Qh6 Kg8 33.Qg6 ½–½. Morovic Fernandez,Ivan (2560) – Swinkels,Robin (2520), 8th La Habana Cuba, Capablanca Open A, 2013.