7.Bb2 Ne4 8.cd5= Nf2?? (better 8...Qd5 9.Nc3 Nc3 10.dc3 Qc5=) 9.Kf2+- Bg4 (9...Qd5 10.Nc3 Qh5 11.Be2+-) 10.Be2 (10.Nc3 Nd7+-) 10...Bf3 (10...Qd5 11.Nc3 Qe6+-) 11.Bf3 (11.Kf3?! Qd5 12.Kf2 Qf5 13.Bf3 Nd7+-) 11...Bh4 12.Ke2 (12.g3 Bf6 13.d4 Nd7+-) 12...c6 (12...Nd7 13.Qc2+-) 13.dc6 (13.Qb3 Qc7+-) 13...Nc6 14.Rf1 Re8 15.g3 Bf6 16.Kf2?? (better 16.Bf6 Qf6 17.Nc3+-) 16...Bb2-+ 17.Nc3 Ba1 18.Qa1 Qd2 (18...Qd2 19.Kg1 Re3-+) 0-1. cucosant2 (1655) - aszv44 (1765), Rated Blitz game, lichess.org, 2021.

7.Bb2 Be6 8.cd5 Qd5 9.Be2 c5 10.0-0? Nc6 11.Nc3 Qh5 (11...Qf5 12.Qb1=) 12.d4 (12.Nd4 Ng4 13.Nf3 Rad8+=) 12...Rad8 (12...Rfd8 13.Nb5+=) 13.Qa4= cd4 (13...Bd7!?=) 14.Nd4+= Bg4 15.Nc6 bc6 16.Bg4 Ng4 17.h3 Ne5 18.Rad1 (18.Qa7 Bf6 19.Ba3 Rd7+=) 18...Nd3 19.Ba1 1–0. Sodomski,Andrzej (1930) – Kobus,Boleslaw (1955), 55. Championship Poland Quarterfinal, 2008.

7.Bb2 Bg4 8.cd5 Nd5 9.Be2 Nf6 10.Nc3 Bf3 (10...c6 11.0-0=) 11.Bf3 Nc6 (11...c6 12.0-0=) 12.0-0 Bb4 (12...Ne5 13.d4 Nf3 14.Qf3+=) 13.a4 (13.Nb5 Be7+/-) 13...Bc3 (13...Na5 14.Qc2+=) 14.Bc3+/- Re8 (14...Qd6 15.Qc2+/-) 15.Qb3 (15.Rb1 Ne4 16.Rb7 Rb8 17.Rb8 Nb8 18.Be4 Re4+-) 15...Ne5 (better 15...Rb8!?+/-) 16.Be5+- (16.Qb7?! Nf3 17.Qf3 Ne4+/-) 16...Re5 17.d4 (17.Qb7 Rc8+-) 17...Re8 (better 17...Ra5+-) 18.Qb7 Rb8 (18...Qe7 19.Rfc1 Rec8 20.Rab1+-) 19.Qa7 Ne4 20.Be4 Re4 21.Qc5 Ra8 22.a5 Re6 23.Rfb1 Rea6 24.Qh5 (24.Rb7 c6+-) 24...c6 25.Qg4 (25.Ra2!? g6 26.Qf3 Ra5 27.Ra5 Ra5 28.Qc6 Kg7+-) 25...h6 26.h4 (26.Ra2 Qd5 27.Rba1 Ra5 28.Ra5 Ra5 29.Qc8 Kh7 30.Ra5 Qa5+-) 26...Ra5+/- 27.Ra5 Ra5 28.Qe4 (28.Rc1 Qf6+-) 28...Rb5 (28...c5 29.Qe5 cd4 30.Rb8 Re5 31.Rd8 Kh7 32.ed4 Re1 33.Kh2+/-) 29.Rb5 (29.Rc1!? Rb6+-) 29...cb5+/- 30.Qb1 Qb8 (30...Qa5 31.d5+/-) 31.Kf1 b4 32.Ke2 b3 33.Kd3 b2 (33...Qb7 34.e4+/-) 34.Kc2+- Kf8 (better 34...Qc7!? 35.Kb2 Qb7 36.Kc1 Qg2 37.Qb8 Kh7+-) 35.Qb2 Qc7 (35...Qa8 36.f3+-) 36.Qc3 Qc3 (36...Qc3 37.Kc3 g5+-; 36...Qb7 37.Qc5 Kg8+-). hurvajsmanka - 61kaan61 (1750), Rated Bullet tournament, lichess.org, 2014.

7.Qb3 c6 8.Be2 Nbd7 9.Bb2 Ne4 (9...Nb6 10.d3=) 10.0-0 Ndf6 11.d4 b6 12.Nbd2 Bg4 13.Rfd1 Nd2 14.Rd2 Ne4 15.Rc2 Bf6 (15...a5!? 16.a4 dc4 17.Bc4 Bd6=) 16.cd5+/– cd5 17.h3 Bh5 18.Rac1 h6 (18...a6 19.a4+=) 19.a4 (19.Ba3!? Re8 20.Bb5+–) 19...Bg6+/– 20.Rc7 (20.Ba3 Re8+/–) 20...Re8 (20...Nc5 21.R7c5 (worse is 21.dc5 Bb2 22.Qb2 Qc7–/+) 21...bc5 22.dc5=) 21.Ba6 (21.Bb5 Re7 22.Re7 Qe7 23.Qd5 Rd8+/–) 21...Bh5 (21...Nc5 22.R7c5 bc5 23.dc5+=) 22.Ne5 (22.Bb7 Bf3 23.gf3+/– (23.Ba8 Bh4 24.Rc8 Bf2 25.Kf1 Nd2 26.Kf2 Nb3 27.Rd8 Rd8–/+)) 22...Be5 23.de5 Qh4?? (better is 23...Nc5 24.R7c5 bc5–/+) 24.Qc2+= Bg6 25.Qe2 Nc5 26.Bb7 Nb7 27.Rb7 Rec8 (27...Qa4 28.Ra1 Qc4 29.Qf3=) 28.Rc8+= Rc8 29.Bd4 (29.Qf3 Qb4 30.Bd4 Rc2+/–) 29...Rc2 (better is 29...Rc1 30.Kh2 Be4–/+) 30.Qf3+/– Be4?? (30...Bh5 31.g4 Bg6+–) 31.Qf7 1–0. marvis (1715) – albingrzegorz, internet, 2013.

7.Qc2 Nbd7 8.Bb2 c5 9.d4 b6 10.Nbd2 Bb7 11.a3 cd4 12.Nd4 Rc8 13.Qf5 g6 14.Qh3 Nc5 15.cd5 Na4 16.d6 Bd6 (16...Nb2?! 17.de7 Qe7 18.Qh4+=) 17.Bc1 Be5 18.N2f3 Bf3 19.Qf3 Bd4 20.ed4 Qd4 21.Rb1 Rfe8 22.Be2 Nc3 23.Be3 Nb1 24.0-0 (24.Bd4?? Rc1) 24...Qb2 25.Rd1 (25.Ba6 Rc2–+) 25...Nc3 26.Rd2 (26.Re1 Ne2 27.Qe2–+) 26...Ne2 27.Qe2 Rc1 (27...Rc1 28.Rd1 Qe2 29.Rc1 Re3–+) 0–1. Szary,Marcin (1860) – Pawlowski,Pawel (1910), DMR KPZSzach Poland, 2007.

7.Qc2 Bg4 8.Be2 (8.cd5 Nd5 9.Qb2 Bf3 10.gf3 Bf6=) 8...Nc6 9.Bb2 (9.Bf6 Bf6 (< 9...gf6 10.cd5 Qd5 11.Nc3+=) 10.d4 dc4=+) 9...Nb4 10.Qb3 Bf3 11.gf3 c6 (11...a5 12.c5=+) 12.d3 (12.c5 Bc5 13.a3 Na6 14.Qb7 Rb8 15.Qc6 Rb2 16.Qa6 d4=+) 12...dc4 13.Qc4 Qd5 (13...Qd6 14.Nd2=+) 14.Qd5= cd5 15.Kd2 (15.Kd1 Rac8 16.a3 Nc6=) 15...Rac8 16.Na3 Rc7 17.Bd1 (17.Rhb1 Rfc8=) 17...Rfc8=+ 18.Bb3 h6 (18...a6 19.Rhc1=+) 19.Rac1= Rc1 20.Rc1 Rc1 21.Bc1 Nc6 22.Nb5 a6 23.Nc3 Bb4 24.Kc2 d4 25.Nd5 Be1 26.Nf6+= gf6 27.e4 Kg7= 28.Kd1 Bf2 29.Ke2 Bg1 30.Bf4 f5 31.h3 Ne7 32.Bd6 Nc8 33.Bc7 fe4=+ 34.de4 Ne7 35.Kd3 Kg6 36.Bd6 Nc6 37.Bd5 Be3 38.a4 f6 39.Bc6 bc6 40.Bc5 ½–½. Sternik,Ryszard – Heyn, corr 3GMM–25, 1996.

7.Nc3= Be6 8.Qb3 b6 (better 8...Nc6!? 9.Qb7 Ne5 10.Ne5 Rb8 11.Qa7 Qd6=) 9.cd5+- Bg4 (9...Nd5!? 10.Bc4 Nc3 11.Be6 Ne4+-) 10.Qc4 Bf3 11.gf3 Bd6 12.Bd6 (12.Bd4!? Nbd7+-) 12...cd6+- 13.Qh4 Nbd7 14.f4 Qe7 15.Bg2 (15.Qg5 g6+-) 15...Rac8+= 16.Qg3 (16.Bh3 Rc4 17.Bf5 Re8+=) 16...Nc5= 17.Bf3 Nce4 18.Ne4 Ne4 19.Qg2 Nc5 20.0-0 f5 21.Rac1 (21.Rfc1 Rf6 22.Qf1 Rcf8+=) 21...Rf6= 22.Kh1 Rg6 23.Qh3 Rf8 24.Rg1 (24.d4 Rh6 25.Qg3 Rg6=) 24...Ne4 (24...Nd3 25.Rcf1 Rg1 26.Kg1=) 25.Qf1= Nd2 26.Qe2 Rg1 27.Kg1 Ne4 28.Bg2 Nc5 29.Qc4 Rf6 30.Qd4 (30.h3 a6=+) 30...Qe8 (30...Rg6 31.Kh1=+) 31.h3 Qe7 32.Kh2 Rf8 33.Bf3 Qf6 34.Qf6 Rf6 35.Kg1 Kf7 36.Kf1 Ke7 37.h4 Kd7 38.Ke2 b5 39.h5 Kc7 40.Kd2 Kb6 41.Kc3 Rf7 42.Kd4 a5 43.Rb1 (43.Be2 b4=) 43...Rc7 (43...b4 44.Be2=) 44.Be2= b4 45.f3 (45.a3 b3=) 45...Na4=+ 46.Bd3 Nc3 47.Rb2 Nb5 48.Bb5 Kb5 49.e4 (49.Rg2 a4 50.e4 a3-/+) 49...Rc4-/+ 50.Ke3 Rc3 51.Kf2 a4 (51...fe4!? 52.fe4 Rh3-/+) 52.e5=+ (52.ef5? h6-+) 52...Rc7 (52...a3 53.Re2=+) 53.Ke3= b3 54.ab3 0-1. Murawski,Eugeniusz (1960) - Bardeli,Lukasz (2320), Zlota Wieza POL, 2007.

7.d4 Nc6 8.Bf6 Bf6 9.Nc3 Ne7 10.Qb3 c5 11.cd5 cd4 12.Nd4 Bd4 13.ed4 Qa5 14.0-0-0 Bg4 15.f3 Rfc8-/+ 16.Kb2 Bd7 17.Bd3 b5 18.a3 Rab8 19.Qb4 Qd8 20.Rhe1 Nf5 21.Bf5 Bf5 22.Re5 g6 23.Ne4 Be4 24.fe4+= Rc4 25.Qb3 Qc8 26.d6 b4= 27.d7 ba3=+ 28.Ka1 Rc1 29.Ka2 Rc2 ½–½. Muri,Heinrich (2365) – Colucci,Pasquale, Coppa Latina V–04, 1995.

7.d4 Nbd7 8.Bg3 Bb4 9.Nbd2 c5 10.Be2 dc4 11.0-0 cd4 12.Nd4 Bd2 13.Qd2 Nb6 14.a4= a5 15.Rfc1 Ne4 16.Qc2 Ng3=+ 17.hg3 Bd7 18.Bc4= Rc8 19.Qb3 Nc4 20.Rc4 Rc4 21.Qc4 Qb6 22.Qd3 Qc7 23.Nb3 Bc6 24.Qc3 Ra8 ½–½. Muri,Heinrich – Pesonen,Erkki, corr ICCF EU/M/1231, 2001.

7.cd5 Qd5 8.Nc3 Qd8 9.Bc4 Nc6 10.Bg3 Na5 11.Be2 c6 12.0-0 Be6 13.d4 c5 14.dc5 Bc5 15.Qa4 b6 16.Rad1 Qe7 17.Bh4 Rfd8 18.Bb5 Rd1 19.Rd1 Rd8 20.Ne4 Rd1 21.Qd1 Nb7 22.Nf6 gf6 23.a4 Nd6 24.Nd4 Ne4 25.Qf3 Bd5 26.Qg4 Kh8 27.Nf5 Qf8 28.f3 Be6 29.fe4 h6 30.Bf6 Kh7 31.Bd3 Bf5 32.Qf5 Kg8 33.Kf2 Be7 34.e5 Bf6 35.Qh7 1–0. elektrooon – faramuci, internet, 2013.

7.cd5 Nbd7 8.Bb2 (8.Bd4 Nd5 9.Nc3 Nb4=+) 8...Nb6 9.Be2 Nfd5 10.0-0 Bf5 11.d4 Re8 12.Nbd2 Bd6 13.Qb3 (13.Nc4 Nc4 14.Bc4 Be4=+) 13...a5 14.a4 Nb4 15.Rfc1 Qe7 16.Nc4 Be6 17.Qd1 Nc4 18.Bc4 Bc4 19.Rc4 Qe4 (20.Ba3 Qg6=; 19...Rad8 20.Qb3=+). Bivens – Trigance,Eric, corr 3GMM–14, 1995.

7.Be2 Bf5 8.0-0= Nbd7 9.Bb2 dc4 10.Bc4 Nc5 (10...Nb6 11.Be2+=) 11.d4= Nce4 12.Nbd2 Bd6 13.a4 Qe7 14.Be2 (14.Qb3 Rab8=) 14...Nd2 15.Nd2 Rfe8 16.Nc4 Bb4 17.Ba3 Ba3 18.Ra3 c5 (18...Rad8 19.Bd3 Be6 20.Rb3+=) 19.dc5 Qc5 20.Qd6 Rac8 (20...Qc8 21.Qf4 Ne4 22.Rd1+=) 21.Qc5+= Rc5 22.Nd6 Re7 23.Nf5 Rf5 24.Rc1 g6 25.Bf3 Ne4 26.Rd3 Rc5 27.Rb1 (27.Rc5 Nc5 28.Rd4 b6=) 27...b6= 28.g3 Rc2 29.Be4 Re4 30.Ra3 Rec4 31.Rbb3 (31.a5 Rc1 32.Rc1 Rc1 33.Kg2 b5=) 31...Re2 (31...Kg7 32.a5+=) 32.Rb1 (better is 32.Rc3!? Rb4 33.Rcb3 Rb3 34.Rb3=) 32...Rcc2-/+ 33.Rf1 Ra2 34.Ra1 Rab2 (34...Re1! 35.Re1 Ra3–/+) 35.Rf1+= Kg7 36.Rd3 h5 37.Rd4 Kf6 38.h4 Ra2 39.Rf4 Ke6 40.Rc1 Rac2 41.Rf1 (41.Re4 Kd6 42.Rd4 Ke7 43.Re4 Kd7 44.Rd4 Kc6 45.Rc2 Rc2=) 41...f5 42.Rd1 Red2 43.Rb1 Rc5 44.e4 fe4 45.Re4 Re5 46.Rf4 Rde2 47.Kg2 R5e4 48.Rb4 Rb4 49.Rb4 Kd5 50.g4 Re4 51.Rb5 Kc6 52.f3 Ra4 53.Rg5 a5 54.Rg6 Kb7 55.Kg3 Rc4 (55...hg4 56.fg4 (56.Rg4?? Rg4 57.fg4 a4–+) 56...Ra3 57.Kf4+=) 56.gh5 (56.Rg7 Ka6+=) 56...Rc8+= 57.Rg4 (57.h6 a4+=) 57...b5= 58.Rg7 Kb6 59.h6 a4 60.h7 (60.Rg6 Ka5 61.h7 Rh8+=) 60...Rh8+= 61.Rg6 (61.f4 b4 62.Rg6 Kb5 63.Rg5 Kc4–/+) 61...Kc5-/+ 62.Rg7 a3 (62...b4!?+=) 63.Ra7= b4 64.h5 ½–½. Krivoshapko,Alexander – Karabut,Vladimir, Omsk_RT, 2009.

8.Bc4 Nc6 9.0-0 Be6 10.Be6 fe6 11.a4 a5 12.Qb3 Qc8 13.Nc3 h6 14.Nb5 Kh7 15.Rfc1 Ne4 16.Nfd4 Nd2 17.Qe6 Qe6 18.Ne6 Rf6 19.Nec7 Raf8 20.Bf6 Bf6 21.Nd6 Ba1 22.Ra1 Rd8 23.Nb7 Rd7 24.Na5 Rc7 25.Rc1 Ra7 26.Nc6 Ra4 27.Nd4 Rb4 28.h3 Nb3 29.Rb1 Nd4 30.Rb4 Ne2 31.Kf1 Nc1 32.Rb7 Nd3 33.f4 Nc5 34.Ra7 Ne4 35.Ke2 Nc3 36.Kf3 Nd5 37.g4 Kg6 38.e4 Nc3 39.e5 Nd5 40.f5 Kh7 41.Ke4 Kg8 42.f6 Kf8 43.fg7 Kg8 44.Kd5 Kh7 45.Ke6 h5 46.Kf7 hg4 47.g8Q Kh6 48.Qg6 1-0. RichardSommer (2100) - chessgregory08 (2185), lichess.org, 2020.

8.Bc4 Be6 9.Be6 fe6 10.0-0 Nc6 11.Qb3 Qd5 12.Qb7 Rab8 13.Qc7 Bd6 14.Nc3 Bc7 15.Nd5 Nd5 16.Rab1 Rb7 17.Bd4 Rfb8 18.Rb7 Rb7 19.Rc1 Nd4 20.Nd4 e5 21.Ne6 Bd6 22.Ng5 h6 23.Rc8 Bf8 24.Ne6 Rf7 25.f3 g5 26.Nd8 Rf5 27.Nc6 Rf6 28.Ne5 Kg7 29.Nd7 Rf7 30.Ne5 Rf6 31.Nd7 Rf7 32.Ne5 Rf6 ½-½. RichardSommer (2040) - krtko11 (2060), lichess.org, 2020.

8.Bb2 Nb4 9.Qb3 Bf5 10.Nd4 Bg6 11.a3 dc4 12.Bc4 Nc6 13.Nc6+= bc6 14.Be5 Rb8= 15.Qd1 Bb1 16.Rb1 Rb1 17.Qb1 Ba3 18.Qa2 Bc5 19.Ke2 Qe7 20.Qb2= Ne8 21.Rc1?? Ba3–+ (21...Ba3 22.Qc2 Bc1 23.Bg7 Ng7 24.Qc1 Qd6–+) 0–1. Skerlik,Stanislaw – Mrkvicka,Josef, corr ICCF EU–H–GT–17, 1994.

8.cd5 Nd5 9.Bc4 =+.

8.Rb1 Nc6 9.Bf6+/– Bf6 10.Nd5 b6 11.Be2 Bf5 12.Nf6 Qf6 13.Rc1 Nb4 14.a3 Nd3-/+ 15.Bd3 Bd3 16.Qb3 Rad8 17.Qc3 Qe6 18.Ne5 Be4 19.0-0 Rfe8 20.Nf3?? Bf3–+ 21.gf3 Qc6 22.e4 Rd6 23.Kh1 Red8 24.Rc2 Rd3 25.Qe5 Rf3 26.Ra2? Re8?? 27.Qd5-/+ Qe6 28.Qe6 Re6 29.Kg2 Rd3 30.f3 Red6 31.Rd1 R6d4 32.Rc1 Rd2 33.Rd2 Rd2 34.Kg3 g6 35.h4 Rd3 36.a4 Ra3 37.Rd1 Ra4 38.Rd7 Rc4 39.Ra7 b5 40.Ra5 b4 (41.Rb5 Rc3–+) 0–1. Swiatek,Agata – Wojciechowska,Aleksandra, Poland–ch U12 Girls, 1998.

8.Rb1 Nbd7!? 9.d4 Qa5 =.

8.Qb3 d4 9.ed4= cd4 10.Bd4+= Nc6 11.Be3 Na5 12.Qc2 Bg4 13.Be2 Rc8 14.d3 Bb4 15.0-0+/– a6 16.Nd1 b5 17.Qb2+/– Qe7 18.a3 White gets in control 18...Bd6 19.cb5 ab5 20.Qb5 Ra8 21.h3 Rfb8 22.Qg5 Bd7 23.Nd4 Ba3 24.Bf3 Ra6 25.Nf5 Bf5 26.Qf5 Nc6 27.Bc5!+– Bc5 28.Ra6 g6 29.Qg5 h6 30.Qc1 Nd4 31.Rf6 Nb3?? 32.Qf4 Rb4 33.Be4 Nd4 34.Rg6 fg6 35.Qh6 g5 36.Bd5 (36.Bd5 Qe6 37.Be6 Ne6 38.Qe6 Kh7 39.Qd7 Kg6 40.Qc6 Kf7 41.Qc5+–) 1–0. Kirdin – Soshin, corr URS, 1991.

8.Nb5 Na6 9.Rc1 b6 10.Be2 Bd7 11.Bf6 Bf6 12.cd5 Nb4 13.Qb3 Bb5 14.Bb5 Qd5 15.Qd5 Nd5 16.0-0 Rad8 17.a4 Nb4=+ 18.g4 Rfe8?? 19.Be8 Re8 20.d4 Na6 21.g5 Be7 22.h4 g6 23.Ne5 Bd6 24.Nd7 Kg7 25.Nf6 Re6 26.Rc4 Be7 27.d5 Re5 28.Rd1 Bf6 (28...Bf6 29.gf6 Kf6+/–) (cont. unknown, 42 moves, 1–0). Brzoza,Miroslaw – Bojarski,W, corr Poland, 1980.

8.cd5= cd5 9.Nb5 Nc6 10.Bb2 Re8 11.Be2 a6 12.Nbd4= Bg4 13.h3 Bf3 14.Nf3 Qd7 15.0-0 Rac8 16.d3 b5 17.Rc1 Qe6 18.Nd4 Nd4 19.Bd4 Rc1 20.Qc1 Rc8 21.Qb2 Qc6 22.Bf3+= a5 23.e4 de4 24.de4 b4 25.e5 Nd5 26.e6 Qe6= 27.Bg7 Nf4 28.Bd4 Qf5 29.Re1+= Qg5 30.Re4 Nh3=+ 31.Kh2 Nf4 32.Be3 Bf6 33.Qd2 Rd8 34.Qe1 Qh6 35.Kg1 Bg5 36.Qc1 (36...Ne6 37.Re6 Qe6 38.Bg5+/–) 1–0. Myrberg,Johnny – Schwertel,Gottfried, corr 3GMM–39, 1996.

8.cd5 Nd5 9.Nd5 Qd5 10.Qc2 Re8 (10...Bg4 11.Bc4 Qa5 12.Bc3=) 11.Bc4 (11.Bd3 g6+=) 11...Qa5 12.0-0 Nd7 13.d4 Nb6 14.Bd3 g6 15.Nd2 Qa4 (16.Qa4 Na4+=) +=. Nagel,Gunter – Sanchez,R, corr X Cup ICCF, 1994.

8.Be2 Be6 (8...dc4 9.Bc4 Nbd7 (9...b5 10.Bb3 Nbd7 11.0-0 b4 12.Ne2+=; 9...Bg4 10.h3 Bh5 11.Bf6 Bf6 12.d4=; 9...Ng4 10.d4 Ne5 11.Ne5 Nd7 12.Nd7=) 10.Qc2 Ne5 11.Ne5 Bd6 12.d4+=; 8...Nbd7 9.Bf6 Nf6 10.cd5 Nd5 11.Qb3 Nf6 12.0-0=) 9.cd5 (9.Rb1 Qd7 (9...b6 10.Nd4 Qd7 11.Ne6 fe6 12.d4=; 9...Qc8 10.Nd4 dc4 11.Ne6 fe6 12.Bc4=) 10.Qb3 b5 11.d3 dc4 12.dc4=; 9.Qb1 b6 (9...Qd7 10.cd5 cd5 11.0-0 Nc6 12.d4=) 10.Nd4 Bd6 11.Bf6 Qf6 12.cd5=; 9.Bf6 Bf6 10.cd5 cd5 11.0-0 Nc6 12.d4=) 9...Nd5 10.0-0 (10.Qb1 b5 11.Nd5 Bd5 12.0-0=) 10...Nd7 11.Nd5 Bd5 12.Bb2 (12.Bf4+=) 12...Bf6 13.Bf6 Nf6 14.d4 b5 15.a4 b4 16.Nd2 a5 17.Bf3 Qb6 18.Be2 c5 19.dc5 Qc5 20.Rc1 Qb6 21.Bb5 Rac8 22.Qe2 Rc7 23.Rfd1 Ne4 24.Ne4 Be4 25.Qb2 Rfc8 26.Rc7 Qc7 27.Qd4 Bg6 28.Qd5 h6 29.Qd4 Qc2 30.h3 Qc3 31.Qd5 Bc2 32.Rd4? b3–+ 33.Bd3 Bd3 (33...Bd3 34.Rd3 Qc1 35.Kh2 b2–+) 0–1. Brzoza,Miroslaw – Lubas,Jozef, corr Poland cp, 1980.

8.d4?? dc4?? 9.Bc4 Bg4 10.Nd5?? Nd5–+ (10...Nd5 11.0-0 Ne5 12.de5 Nb6–+) 0–1. Roczniak,Jan – Wodnicki,E, corr Poland, 1968.

8.Bf6 Bf6 9.cd5 Ne7 10.Bc4 b5 11.Bb5 Nd5 12.Qc2 Rb8 13.Rb1 Nc3 14.dc3 Bd7 15.Bd7 Rb1 16.Qb1 Bc3 17.Kf1 Qd7=+ 18.Ng5 Rd8 19.g3 Qd1 20.Qd1 Rd1 21.Kg2 Rh1 22.Kh1 h6 23.Ne4 Bb4 24.g4 c5 25.Kg2 c4-/+ 26.Kf3 c3 27.Ng3 c2 28.Ne2 Ba3 29.h4 Kf8 30.e4 Ke7 31.e5 a5 32.h5 g6 33.hg6 fg6 34.Ke4 h5 35.gh5 gh5 36.Kf3 c1Q–+ 37.Nc1 Bc1 38.Kg3 Ke6 39.f4 Kf5 40.Kf3 Bf4 41.e6 Bd6 42.e7 Be7 43.a4 h4 44.Kg2 Kg4 45.Kh1 0–1. EXchess 3.11 – Fritz 5.32, 2004.

8.Nbd2 Ne4=+ 9.Qb3 c5 10.a3 Nd2 11.Nd2 Bd2 12.Kd2 Nc6 13.cd5= cd4 14.ed4 Ne5 15.de5 Be6 16.Bc4 b5 17.Qb5 Qg5 (17...Qg5 18.Kd1 Rad8–/+) 0–1. Pachurka,Roland – Grube,Frank, desc–online.de, 2006.

8.Nbd2= Bg4 9.c5?? Ne4–+ 10.Be2? Bf3 11.Bf3 Nd2 12.Qd2 Bd2 13.Kd2 Nc6 14.Bg3 b6 15.Rac1 b5 16.e4 Nd4 (16...Nd4 17.Rhd1 Qg5 18.Kd3 Nf3 19.gf3 Rad8–+; better is 16...de4!? 17.Be2–+) 0–1. ParvusCarlsen – spieler, mySchach.de, 2005.

8.Bb2 dc4 9.Bc4 Nb4 10.0-0 Bf5 11.Ne5 Nc2 12.g4 Ng4 (worse 12...Na1 13.gf5 Qc8 14.Bd3+/-) 13.Ng4 b5 (13...Na1 14.Ba1 Bd6 15.f4+=) 14.Bb3 (14.Bb5!? a6 15.Ba4 Na1 16.Ba1+=) 14...Na1= 15.Ba1 c5 16.Qf3 (16.Bc2 Qc8 17.f3 Rd8=) 16...Bd3 17.Bd5 Bf1 18.Kf1 Rb8 (better 18...Rc8!? 19.Nh6 gh6 20.Qg3 Bg5=) 19.Ne5+/- f7 seems the pivot of the position 19...Bf6 (19...Qe8 20.Nc6 Kh8 21.Qf5+/-) 20.Nc6 Qd6 21.Bf6 Qf6 22.Qf6 gf6 23.Nb8 Rb8 24.Ke2 Kg7 25.d3 f5 26.Nc3 Kf6 27.Bb3 a6 28.Nd5 Ke6 29.Nf4 Kf6 30.Kd2 Rg8 31.Nh5 Ke7 32.Ng3 (32.Bd5 Rg1+/-) 32...Kf6 (32...f4 33.ef4 Rd8 34.Ke3+/-) 33.Bd1 a5 34.Bf3 b4 ½-½. Mely (2845) - Avigdor (2740), ChessWorld.net, 2011.

8.Bb2 Be6 9.cd5 Qd5 10.0-0=+.

8.Bb2 Bg4 9.0-0 Qd7 (9...dc4 10.Bc4 Nb4 11.Qb3 Bf3 12.gf3=+) 10.cd5 Nd5 11.Nc3 Nc3 (11...Rad8 12.d4=+) 12.Bc3= Rad8 (12...Rfd8 13.Qc2=) 13.d4 (13.Qb3 Rb8=) 13...Bf6 (13...a6 14.a4=) 14.Qb3+= b6 15.Rac1 Ne7 16.Bb4 (16.Qc2 Rfe8=) 16…Rfe8 0-1. pumpkin – blinddog, net-chess.com, 2017.

8.Bf6 gf6 9.cd5 Qd5 10.Nc3+=.

8.Bf6 Bf6 9.d4 dc4 10.Bc4 Na5=+.

8.0-0 Ne5 9.Ne5 d4 10.Qc2 Bc5 11.Nf3=+ Bg4 12.ed4 Bd4 13.Nc3 Re8 14.Nd4 (14.Rab1 Bc3 15.dc3 b6=+). mrkt – malldigital, internet, 2006.

8.Bb2 Nb6 9.cd5 Nbd5 10.0-0 Re8 11.h3 a6 12.Nc3 Nc3 13.Bc3 b5 14.Nd4 Bb7 15.Bf3 Bf3 16.Qf3 Nd5 17.Bb2 Bf8 (17...c5 18.Nf5 Bf6 19.d4=) 18.a3 (18.Nc6 Qd6 19.Rfc1 Qe6+=) 18...Qd7 19.Rac1 c5 20.Nb3 (20.Nf5!? Qe6 21.d3=) 20...c4+= 21.Nd4 Rac8 22.Qf5 Qf5 23.Nf5 g6 24.Ng3 Bg7 25.Bg7 Kg7 26.Ne2 ½–½. Hal1958 – XANDERKIRV, playchess.de, 2004.

8.Bb2 dc4 9.Bc4 Nb6 10.Be2 Bf5 11.0-0 Re8 12.d3 c6 13.e4 Bc8 14.a4 Bg4 15.h3 Bh5 16.Nbd2 Nbd7 17.Nd4 Be2 18.Qe2 Ne5 19.N2f3 Bc5 20.Rfd1 Nf3 21.Nf3 Qd6 22.Qd2 Bb4 23.Qg5 (With the idea e5) 23...h6 24.Qh4 Nh7 25.Nd4 Qg6 26.Nf5 Ng5 27.Qg4 Ne6 28.Qg6 fg6 29.Nd4 Nd4= 30.Bd4 c5 31.Be3 b6 32.f4 Rad8= 33.Kf2 Bc3 34.Rac1 Bd4 35.Rc4 (35.Rc4 Re4 36.de4 Be3 37.Ke2 Rd1 38.Kd1 (< 38.Ke3 Kf7=+) 38...Bf4 39.Rc3=; 35.Ke2 Be3 36.Ke3 Rd4+=). Bonetti,Shane – Schulz,Hans_Juergen, ETC, 2004.

8.Bb2 Nc5 9.d4 Nce4 10.Nbd2 Bb4 11.0-0 Nd2 12.Nd2 c6 13.a3 Bd2 14.Qd2 Ne4 15.Qc2 White prepares c5 15...Bf5 16.Bd3 Qg5 17.Rfe1 Rae8 18.c5 h6?? (better is 18...Bg4=) 19.f3+– Qg6 20.fe4 Be4 21.Be4 Re4 22.Qf2 Rfe8 23.Bc1 R4e6 24.Bd2 Rf6 25.Qg3 (25.Qe2 b6+–) 25...Qe4 (25...Qg3!? 26.hg3 Rfe6+/–) 26.Rf1 Rf5 27.Rf5 Qf5 28.Rf1 Qc2 29.Qf2 f6 30.Bb4 Qe4 31.Qf4 (31.Re1!?+–) 31...Qe3+/– 32.Qe3 Re3 33.g3 Re2 34.Rf2 Re3 35.Kg2 Kf7 36.Rf3 Re2 37.Kg1 Ke6 38.h4 h5 39.Kf1 Re4 40.Kf2 Rd4= 41.Re3 Re4 42.Re4 de4 43.Ke3 Kd5 44.Bc3 f5 45.Bg7= Kc4 46.Kf4 Kc5 47.Kf5= Kd6?? 48.Ke4+– c5 49.Kf5 c4 50.Kg5 Kd5 51.Kh5 b5 52.Kg4 a5 53.h5 b4 54.ab4 c3 55.Bc3 ab4 56.Bb4 Ke5 57.Kg5 1–0. kaasparov – pb07, internet, 2012.

8.Bf6 Bf6 9.d4 dc4 10.Na3 +=.

8.Qb3= b6 9.d4 Bb4?? 10.Qb4+– Nc6 11.Qa4 Ne5 12.Ne5 c5 13.cd5 Bd5 14.0-0 cd4 15.Qd4 Rc8 16.Rd1 Be4 17.Qd8 Rfd8 18.Rd8 Rd8 19.Nc3 Bb7 20.Bc4 Rf8 21.Rd1 Ne4 22.Ne4 Be4 23.Nf7 (23.Nf7 b5 24.Bb3+–) 1–0. Glowatzky,Tihomir – Gross,Gerald, email SOK–99–134, 1999.

8.Nc3 c5 9.cd5 Nd5=+ 10.Ne4 Nc6 11.Rc1 Ne5 12.Ne5 Qc7 13.Nf3 Rac8 14.0-0 Nf6 15.Nf6 Bf6=+ 16.d4 c4 17.a4 a6 18.Nd2 b5=+ 19.ab5 ab5 20.Ne4 Be7-/+ 21.d5 Rfd8 22.Nc3 b4 23.Nb5 Qa5 24.d6?? Qb5–+ (24...Qb5 25.de7 Rd1 26.Rfd1 Qe8 27.Bc4 Bc4–+) 0–1. Stummerer,Alfred – Spiegel,Michael, corr SOK–88–21, 1988.

8.cd5!?

8.Qb3 Nc6 9.Be2 (9.cd5 Nd5 10.e4 Nf6–/+) 9...Bf5 (9...Na5 10.Qc2 Nc4 11.Bc4 dc4 12.Na3–/+) 10.0-0 (10.cd5 Nb4 11.Na3 Be4+=) 10...Na5-/+ 11.Qc3 Nc4 12.Bc4 dc4 13.a4 (13.Na3 Bd3–/+) 13...Bd3 14.Re1 (14.Rc1 Ne8–/+) 14...a6 (14...Ne8 15.e4 f6 16.Qc1–+) 15.a5 (15.Na3 Qd5–/+) 15...b5 (15...b6 16.ab6 Qb6 17.Qc1–/+) 16.ab6 Qb6 17.Ne5 (17.Qc1!?–/+) 17...Rfb8–+ 18.Ra2 (18.Nd3 cd3 19.Ra2 Qb3 20.Qb3 Rb3–+) 18...Qb3 (18...Nd5 19.Qa3 Nb4 20.Nd7–+) 19.Qb3 cb3 (19...Rb3?! 20.Na3–/+) 20.Ra1 Bb1 (20...Rd8 21.Nd3 Rd3 22.Kf1–+) 21.Reb1 Nd5 (21...Rb5 22.Nc6 Kf8 23.Ra5–+) 22.Ra5 (22.d4!?–/+) 22...Rb5–+ 23.Rb5 ab5 24.f4 (24.d4 c4 25.g4 Bd6–+) 24...Bf6 (better is 24...c4–+) 25.Nf3? (better is 25.Kf2–+) 25...Bb2 26.Rb2 c4 27.Rb1 Nb4 28.Kf1 Nd3 29.Ke2 b2 30.Kd1 Ra1 31.Kc2 b4 32.Rb2 Rc1 0–1. Hirt,Robert – Adam,Stefan, corr DDR–ch H, 1984.

8.Nc3 Bg4 =.

8.d4 cd4 9.Nd4 dc4 (9...Nc6!?-/+) 10.Bc4= Nbd7 11.0-0 Ne5 12.Be2 Ng6 13.Nc3 b6 (better 13...Qb6!? 14.Rb1 Rd8+=) 14.Bf3+/- Ba6 15.Re1 Rc8 16.Qa4 Bd3 17.Nc6 (17.Qa7?! Ne5 18.Red1 Bc5+=) 17...Qc7 18.Ne7 (18.Qd4!? Bd6 19.Qd3 Nh4+-) 18...Qe7 19.Ba3 Qe6 20.Bf8 Rc3 21.Ba3 Nh4 22.Be2 (22.Qh4!? Ra3 23.Qb4 Ra5+-) 22...Be2 23.Re2 Qg4?? (better 23...Ra3 24.Qh4 Rd3+-) 24.Qg4 Ng4 25.Bb2 Rc5 26.h3 Nh6 (26...Ne5 27.Bd4 Ra5 28.Rc1+-) 27.Rd1 f6 28.Rd7 N6f5 (28...Nf7 29.Ra7 h6 30.Rd2+-) 29.Ra7 Nd6 30.Rd2 Ne4 (30...Rc6 31.Ba3 Ne8+-) 31.Rd8 1-0. pinokio33 (2105) - KVD_1901 (2210), Rated Blitz tournament pgmEzB0W, lichess.org, 2015.

8.cd5 Qd5 9.Be2 Nc6 10.0-0 Bg4 11.Nc3 Qh5 (11...Qd7 12.d4=+) 12.h3= Bh3 (better 12...Bd7!?=) 13.gh3+/- Qh3 14.Nh2 (14.Qa4 Nb4 15.Qb5 Bd6=) 14...Bd6 15.f4 Qg3 16.Kh1 g5?? (better 16...Rfd8+/-) 17.Rg1+- Qh3 18.Rg5 Kh8 19.Ne4 Be7 (19...Be5 20.Be5 Ne5 21.Nf6 Qh6 22.Nh7 Qc6 23.Bf3 Nf3 24.Qf3 Rg8 25.Qc6 bc6+-) 20.Nf6 h6 21.Rh5 Bf6 22.Rh3 (22.Bf6 Kg8 23.Qg1 Qg2 24.Qg2 Kh7 25.Qg7) 22...Bb2+- 23.Rb1 (23.Rh6 Kg8 24.Qc2 Rfb8 25.Qb2 Nd4 26.ed4 f6 27.Qb3 Kg7 28.Rg1 Kf8 29.Qe6 cd4 30.Rf6) 23...Bg7 24.Ng4 b6 25.Nh6 Bh6 (25...Rfb8 26.Qg1 c4 27.Nf5 Kg8 28.Qg7) 26.Rh6 (26.Qg1 Kh7 27.Qg5 Rh8 28.Rh6) 26...Kg7 27.Rh2 (27.Qg1 Kh6 28.Qg5 Kh7 29.Kg2 Rg8 30.Rh1) 27...Rh8 28.Bd3 (better 28.Qg1 Kf8 29.Rh8 Ke7 30.Qg5 Kd7 31.Qd5 Ke7 32.Ra8 f6 33.Bc4 Nb8 34.Rb8 a6 35.Qe6) 28...Rh2 29.Kh2 Rh8 (29...Rd8 30.Be4 Ne7 31.d4 cd4 32.ed4+-) 30.Kg2 Nb4 (30...Rg8 31.Qh5 Kf6 32.Kf3+-) 31.Qg4 Kf8 32.Bf5 (better 32.Kf3 Nd3 33.Qc8 Ke7 34.Qh8+-) 32...Rg8 33.a3 Rg4 34.Bg4 Nd3 0-1. cucosant2 (1820) - pesi (1820), Casual Blitz game, lichess.org, 2021.

9.Nc3 Bf6 10.a4 (10.d4 Nc3 11.Bc3 Bg4=+) 10...Nb4=+ 11.Qb3 (11.Bb5!?=+) 11...Be6-/+ 12.Bc4? (better 12.Qd1-/+) 12...Bc4-+ 13.Qc4 Nc2 (13...Nd3 14.Ke2 Nb2 15.Qb5 Bc3 16.dc3-+) 14.Kf1 (14.Ke2 Na1 15.Ra1 Nd7-+) 14...Na1 15.Ba1 Nc6 (15...Nd7 16.Kg1-+) 16.g3 (16.Qc5 Qd3 17.Ke1 Rac8-+) 16...a6 (16...b6 17.Kg2-+) 17.Kg2 (17.Qc5 Rc8 18.Kg2 Re8-/+) 17...Qd7 (17...b6!?-+) 18.Qc5-/+ Rac8 (18...Rad8 19.d4-/+) 19.Qh5 (19.Nd5 Bd8=+) 19...g6 (19...Nb4 20.d4-/+) 20.Qh3 Qh3 (20...Qd3 21.Ne4 Ba1 22.Neg5=+) 21.Kh3=+ h5 22.Kg2 (22.Rb1 g5 23.g4 Bc3 24.Bc3 f5 25.Ng5 fg4 26.Kh4 Nd8+=) 22...Rcd8 (22...Bc3 23.Bc3 b5 24.ab5 ab5 25.Rb1=+) 23.h3 Rfe8 24.d4 Nb4 25.Ne2 (25.g4 Kf8=) 25...Nc2 26.Nf4 (26.g4 b5=+) 26...Na1 (26...b5 27.Rc1 Rc8 28.Bb2 ba4 29.Nd5-/+) 27.Ra1= Bg5?? (27...Rd6 28.Rb1 Re7 29.a5=) 28.Rd1 (better 28.Ng5 Rd6 29.Kf3+-) 28...Bf4=+ 29.gf4 f5 (29...b5 30.ab5 ab5 31.Ne5=+) 30.Kg3 (30.Rb1 Re7+=) 30...Rd6 31.h4 1-0. hurvajsmanka (1710) – DerManoMann, Rated Bullet tournament, lichess.org, 2014.

9.Bc4 Be6 10.h3 Nc6 11.0-0 Bf6 12.Bf6 Qf6 13.d4 cd4 14.ed4 Rad8 15.Na3 Rfe8 16.Nb5 a6 17.Bd5 Bd5 18.Nc7 Bf3 19.Ne8 Re8 20.Qf3 Qf3 21.gf3 Nd4 22.Kg2 g6 23.Rfd1 Nf5 24.Rd2 b5 25.Rad1 Re6 26.Rd8 Kg7 27.Ra8 Nh4 28.Kg3 Nf5 29.Kf4 Kf6 30.Rdd8 h5 31.Ra7 g5 0–1. polynesia46 (1685) – ff56 (1605), internet, 2013.

9.0-0 (--> 7.Be2 c5 8.0-0 Nc6 9.Bb2).

9.cd5 Nd5 10.0-0 Bf5 11.Nc3 Rc8 12.Nd5 Qd5 13.Rc1 (13.d3 Qd6=+) 13...Rfd8 (13...Qa2!? 14.Ba1 Qd5-/+) 14.Bc4 Qd7 (14...Qd6 15.Bc3=+) 15.Qa4 (15.Qb3 Be6=) 15...a6 (15...Ne5 16.Qd7 (16.Qa7?? Nf3 17.gf3 Qc6-+) 16...Nf3 17.gf3 Bd7 18.Rfd1-/+) 16.Bb3 (better 16.Qb3!? Rf8 17.Qb6=) 16...b5-/+ 17.Qf4 (17.Qa6? Nb4 18.Qa3 Nd3-+) 17...Be6 (17...c4 18.Bd1-/+) 18.Be6 (18.Rfd1 c4 19.Bc2 Nb4-/+) 18...Qe6-/+ 19.d4 (19.a3 f6-/+) 19...cd4 (19...Qa2!? 20.Ba1 Nb4-+) 20.Nd4-/+ Nd4 21.Bd4 Bd6 (21...b4 22.Qg3 Bf8 23.Rb1-/+) 22.Rc8 (22.Qf3 Rc1 (22...Qa2?? 23.Rc8 Rc8 24.Qg4+-) 23.Rc1 Qa2=+) 22...Rc8-/+ 23.Qg5 (23.Qf3-/+) 23...Qg6 (23...f6!? 24.Qh5 Rc2-/+ (24...Qa2?! 25.Bf6 Qe6 26.Bd4=+)) 24.Qg6 hg6 25.f4 Rc2 (25...g5 26.fg5 Rc2 27.Rb1=+) 26.Rf2= Rc1 27.Rf1 Rc4 28.g3 f6 29.Kg2 Kf7 30.Kf3 Ke6 31.Rf2 a5 32.Rd2 b4 33.e4 a4 34.g4 White prepares f5 (34.Ke3 Rc7=) 34...g5=+ 35.f5 (35.fg5 fg5 36.Bg7 a3=+) 35...Ke7-/+ 36.h4?? (better 36.h3-/+) 36...gh4-+ 37.g5 fg5 38.Bg7 (38.e5 g4! 39.Ke3-+) 38...Rc3 39.Ke2?? (39.Bc3 bc3 Passed pawn) 39...Rg3?? (39...h3 40.e5 Bc7-+) 40.f6+/- Ke6?? (better 40...Kf7 41.Rd6 Rg4+/-) 41.f7 (better 41.Rd6 Kf7 42.e5 Rg2 43.Kf1+-) 41...Rg2-+ 42.Ke1 Rd2 43.f8Q Bf8 44.Bd4 Bg7 45.Kd2 (45.Bb6 Ra2 46.Bf2 b3 47.Kf1 h3 48.Ke1 h2 49.Kd1 h1Q 50.Be1 Bc3 51.Kc1 Qe1) 45...Bd4-+ 46.Kd3 Ke5 47.Ke2 (47.Kc4 b3 48.ab3 a3 49.Kd3 a2 50.Kc4 a1Q 51.Kb4 Qc1 52.Ka4 Qc6 53.Ka3 Qc5 54.b4 Qc2 55.b5 Bc5) 47...Ke4 48.a3 (48.Kf1 h3 49.Ke2 h2 50.Kd2 h1Q 51.a3 Qh2 52.Kd1 Kd3 53.ab4 Qd2) 48...b3 49.Kd2 Bc5 (49...h3 50.Ke2 b2 51.Kd2 b1Q 52.Ke2 Bc3 53.Kf2 Qe1) 50.Kc3 Ba3 51.Kc4 (51.Kd2 h3 52.Kc3 h2 53.Kc4 b2 54.Kb5 b1Q 55.Kc6 h1Q 56.Kc7 Qh3 57.Kc6 Qc8) 51...Be7 (51...b2 52.Kb5 b1Q 53.Kc6 Qb8 54.Kd7 Qb7 55.Kd8 Bd6 56.Ke8 Qe7) 52.Kb5 (52.Kc3 h3 53.Kc4 b2 54.Kb5 b1Q 55.Kc6 h2 56.Kd7 Qb7 57.Ke8 Bd6 58.Kd8 h1Q 59.Ke8 Qh8) 52...b2 53.Kc6 (53.Kb6 b1Q 54.Kc6 Qb8 55.Kd7 Qb7 56.Ke8 Bd6 57.Kd8 h3 58.Ke8 Qe7) 53...b1Q 54.Kd7 (54.Kc7 Qb5 55.Kc8 Bd6 56.Kd8 Qb7 57.Ke8 Qe7) 54...Qb4 (54...Qb7 55.Ke8 Bd6 56.Kd8 h3 57.Ke8 Qe7) 55.Ke8 (55.Kc6 Qb8 56.Kd7 Qb7 57.Ke8 Bd6 58.Kd8 h3 59.Ke8 Qe7) 55...Qd6 56.Kf7 Qf6 (56...Kf5 57.Ke8 Qd8 58.Kf7 Qf8) 57.Kg8 (57.Ke8 Qf8 58.Kd7 Kd5 59.Kc7 Qa8 60.Kb6 Bd8 61.Kb5 Qa5) 57...Kd5 (57...Qg6 58.Kh8 Bf6) 58.Kh7 ½-½. Skatchess (2245) - bardhyll (2270), Rated Bullet game, lichess.org, 2016.

9.cd5 Nd5 10.0-0 Bf6 11.Qc1 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Be7 8.Be2 c5 9.0-0 Nc6 10.Bb2 Bf6 11.Qc1).

9.cd5 Nd5 10.Nc3 Bf6 (10...Be6 11.0-0+=) 11.Nd5 (11.0-0 Bf5+=) 11...Bb2 12.Rb1 Qd5 (12...Ba3 13.Qb3+=) 13.Rb2= b6 (13...Rd8 14.Qb3+=) 14.0-0 Bb7 (14...Rd8 15.Qa4=) 15.Qb3 (15.Qa4 Rfe8=) 15...Rad8 (15...Qe4 16.Bd3 Qe7 17.Be2=) 16.Rd1 (16.Qd5 Rd5 17.Rd1 Rfd8=) 16...Qb3 (16...Qe4 17.Qc4 Qg6 18.d4=) 17.Rb3 (17.ab3 Rfe8=) 17...Rd6 (17...Rfe8 18.Ra3=) 18.a3 (18.d4 Rfd8 19.Rb2 Kf8=) 18...Rfd8+= 19.Rb2 (19.d3 Kf8+=) 19…Na5 (19...Na5 20.Ne5 f6+=). Muri,Heinrich – Kalivoda,J, corr ICCF EU/M/Gr/786 (year?).

8.Bb2 Nc6=+ 9.a3 d4 10.Be2 Ng4 11.0-0 Bf6 12.ed4 Nd4 13.Bd4 Bd4 14.Nd4 Qd4 15.Qc3 Rd8 16.d3 Bf5-/+ 17.Qb3 Nh2!–+ 18.Kh2 Qe5 19.Kg1 Qe2 20.Nc3 Qd3 21.Rac1 Bg4 22.Qb7 Qc4 23.Ne4 Qd5 24.Qd5-/+ Rd5 Black gets strong initiative 25.Nc5 Rc8 26.Rfe1 Kf8 27.Ne4 Rc1 28.Rc1 Rd1 29.Rd1 Bd1 30.Nd6 Ke7 31.Nf5 Kf6 32.Nd4 a6 33.f4 g6 34.Kf2 Ke7 35.Ke1 Bg4 36.Kd2 Kd6 37.Nc2 h5 38.g3 Kd5 39.Ne3? Ke4–+ 40.Ng4 hg4 (40...hg4 41.Ke2 Kd4–+) 0–1. Cardell – Roche,Simon, corr Spain, 1980.

8.Nc3 Nc6 9.Bf6 (9.cd5 Ne5 10.Ne5 Nd5=) 9...Bf6=+ 10.cd5 Nb4 11.Qb3 Nd5 12.Bc4 (12.Qd5 a6) 12...Nc3 (12...Nb6 13.Rd1-/+) 13.dc3=+ Qa5 14.0-0 (14.Rc1 Bg4=+) 14...Bc3 15.Bf7?? (better is 15.Rad1=+) 15...Rf7–+ 16.Rac1 Bf6 17.Qd5 a6 18.Ng5 Bg5 19.Qg5 Qa2 (20.Qc5 Be6–+) 0–1. Kot,F – De Lagontrie,Jean, corr ICCF–Cup8/9 V049, 1990.

8.Bd3 Nbd7 9.Bb2 dc4 10.Bc4 Nb6 11.Bd3 Nfd5 12.a3 h6 13.Nc3 Re8 14.Nd5 Nd5 15.0-0 Qa5 16.Ne5 Bf6 17.Bh7 Kf8 18.f4 Qc7 19.Rf3 b5 20.Rb1 Rb8 21.Be4+= Bb7 22.Qc5!+/– Kg8 23.Qc7 Nc7 24.Bb7 Rb7 25.Nd7 Be7 26.Ne5 Bd6 27.h4 f6 28.Ng6 Ne6 29.d4+= b4 30.Ba1 Nc7 31.ab4 Rb4 32.Rb4 Bb4 33.Kf2 Re6 34.Rg3?? Ra6–+ (34...Ra6 35.e4 Ra2 36.Kf3 Ra1–+) 0–1. Mroz,Antoni – Wydrowski,Leszek, corr Poland, 1993.

8.cd5= Nd5 9.a3 Nc6=+ 10.Bb2 b6 11.d4 Nf6 12.Nbd2 Bb7 13.dc5 Bc5 14.Be2 Be7 15.0-0 Rc8 16.Qa4 Nd7 17.Rfd1 Qc7 18.Rac1 Bf6 19.Bf6 Nf6 20.Nd4 Qd7?? 21.Bb5+– Nd4 22.Bd7 Rc1 23.Rc1 Ne2 24.Kf1 Nc1 25.Qa7 Bd5 26.Bb5 Rc8 27.f3 h6 28.Qb6 Na2 29.Bd3 Nc3 30.e4 Be6 31.Qd4 Nh5 32.g3 (32.g3 Nf6 33.a4+–) 1–0. NN – NN, (year?).

8.Ng5 Nbd7=+ 9.Bb2 h6 10.Nf3 b6 11.cd5= Nd5 12.a3 Bb7=+ 13.Bc4 Bf6 14.Nc3 Nc3 15.Bc3 Qe7 16.Qb2 Rad8 17.Be2 Bc3 18.Qc3 Qf6 19.Rc1 Rfe8 20.h4 Ne5 21.Rh3 Rd6 22.Ne5=+ Qe5 Black fights for the Initiative 23.Rg3 Qc3 24.Rc3 Red8 25.Rc2 Be4 26.Rb2 Bd3 27.Bd3 Rd3 28.e4? Rg3–+ 29.fg3 Rd4 30.Rb3 Re4 31.Kf2 Kf8 32.Rd3 Ke7 33.Kf3 f5 34.Re3 Re3 35.Ke3 g5 36.hg5 hg5 37.a4 Ke6 38.Kd3 Ke5 39.Ke3 a6 40.Kd3 b5 41.ab5 ab5 (41...ab5 42.Ke3 c4–+) 0–1. Gross – Molzahn,Dieter, corr, 1978.

8.Ng5 g6 9.Bb2 Nc6 10.cd5 Nd5 11.h4 Bf5 12.e4!? Ndb4 13.Qc4? (13.Qc3!) 13...Bg5 14.hg5 Be4 15.Qc3 Nd4 16.Qh3 h5 17.gh6 Re8 18.h7 Kh8 19.Be2 Nd3 20.Bd3 Bf5 (20...Bd3! 21.Kd1 Qe7) 21.Qe3 Bd3 22.Kd1 Re3 23.de3 Qb6 24.Kc1 f6 25.Nc3 Nb3 26.Kd1 Na1 27.Ba1 Rd8 28.Kc1 Rd7 29.e4 Rh7 30.Rd1 c4 31.Bb2 Qf2 32.Rd2 Rh1 33.Nd1 Rd1 34.Kd1 Qg1 0–1. Gross – Lotz, corr ICCF EU–I–GT–131 1978.

10.Be2 Re8 11.0-0 Bd6 12.Bd3 Bg4 13.Ng5 h6 14.Ne4 Ne4 15.Be4 Be2 16.Bc6 bc6 17.ed4? Bf1–+ 18.Kf1 Qh4 19.h3 Qf4 20.Nc3 Qh2 21.f4 Qf4 22.Kg1 cd4 23.Na4 Re2 (23...Re2 24.Qg6 Qf2 25.Kh1 Qe1 26.Re1 Re1) 0–1. Pospiech,Jozef – Piecha,Wincenty, corr Poland, 1980.

10.Be2 Ng4 11.0-0 Bf6 12.ed4 Nd4 13.Bd4 Bd4 14.Nd4 Qd4 15.Qc3 Rd8 16.d3 Bf5 17.Qb3 Nh2 18.Kh2 Qe5 19.Kg1 Qe2 20.Nc3 Qd3 21.Rac1 Bg4 22.Qb7 Qc4 23.Ne4 Qd5 24.Qd5 Rd5 25.Nc5 Rc8 26.Rfe1 Kf8 27.Ne4 Rc1 28.Rc1 Rd1 29.Rd1 Bd1 30.Nd6 Ke7 31.Nf5 Kf6 32.Nd4 a6 33.f4 g6 34.Kf2 Ke7 35.Ke1 Bg4 36.Kd2 Kd6 37.Nc2 h5 38.g3 Kd5 39.Ne3 Ke4 40.Ng4 hg4 0–1. Cardell – Roche Simon, Spain 1980.

9.0-0 Nc6 10.d4 cd4 11.ed4 Bf5 12.Nh4 Bg4=+ 13.f3 Bc8 14.Qd3 Ne5 15.de5 Nd7 16.Nf5 Bc5 17.Kh1 Ne5 18.Qe4 Qf6 19.Ne3 Nc4 20.Ncd5 Qg5 21.Nc4 Bf5 22.Qf4 Qf4 23.Nf4 Rad8 24.Rad1 Rfe8 25.g4 Bc2 26.Rd8 Rd8 27.Na5 b6 28.Nc6 Rd2 (28...Rd2 29.Re1 Kf8 30.Na7 Bd1–+) 0–1. Labahn,Thomas – Greger,H/Bergemann, corr QTV, 1991.

9.Nb5 Nc6=+ 10.Bb2 a6-/+ 11.Na3 Bf5 12.0-0 Bd3 13.Bd3=+ Qd3 14.Qb3 Qb3 15.ab3 Rfd8 16.d4= Ne4 17.Nc4 b5 18.Na5 Na5 19.Ra5 cd4 20.Bd4 Nc5 21.Bc5 Bc5 22.g3 Bb4 23.Ra2= Bc3 24.Rc1 b4 25.Kf1 h6 26.Ke2 Kf8 27.Rd1 Rd1 28.Kd1 Rd8 29.Ke2 Rd6 30.Nd4 g6 31.Kd3 Ke7 32.Kc4 Kd7 33.Ra5 Kc7 34.Rd5 Rb6 35.e4+= h5 36.f4 Rb8 37.Ne2 Bg7 38.e5 White fights for the Initiative 38...Bf8 39.Nd4 Kb6 40.Rd7+/– Rc8 41.Kd5 Rc5 42.Ke4 Rc7 43.Rc7 Kc7 44.Kd5 Kd7 45.Nc6 Kc7+– 46.h3 Kb6 47.Nd8 a5 48.Kc4 (48.Kc4 Bh6 49.Nf7+–; 48.Nf7 a4 49.Nd6 Bd6 50.ed6 ab3=+) 1–0. Kretschmar,H – Piecha,Wincenty/Malyszko,Andrzej, corr Baltic Sea, 1980.

9.Bg3 Na5 10.Be2 c5 11.0-0 b6 12.d4 Bb7 13.Qa4 Qc8 14.Rac1+= Bc6 15.Qc2 Qb7 16.Rfd1 Rad8 17.Bh4 cd4= 18.Nd4 Bg2 19.Nf5 Bc6 20.Ba6 Qc7?? 21.Bg3+– (21.Bg3 Rd1 22.Rd1+–) 1–0. Rodin,Efim Grigorievich – Osipov, corr USSR, 1977.

9.Bg3 a6 10.a4 Na5 11.Be2= Bf5 12.0-0 Bd3 13.Bc7! Be2 14.Bd8+– Bd1 15.Be7 Bf3 16.Bf8 Bc6 17.Be7 Nb3 18.Ra2 Ng4 19.Rb1 Na5 20.f3 Ne5 21.d4 Ng6 22.Bb4 Nc4 23.Kf2 Re8 24.Bc5 Re3 25.d5 Rc3 26.dc6 Na5 27.Bb4 Rc6 28.Ba5 (28.Ba5 Ne5 29.Rb7+–) 1–0. pierre – munot, internet, 2008.

8.d4 Bb4 9.Qb3 c5 10.Rc1? Ne5–+ 11.de5 Ne4 12.cd5 Nc3 13.Rc3 Qa5 14.Kd2 Bc3 15.Qc3 Qa2 16.Kc1 Qd5 17.Bc4 Qd8 18.Rd1 Qe7 19.Rd6 Bg4 20.Nd2 Rad8 21.f3 Be6 22.Be6 White gets strong initiative 22...Rd6 23.ed6 Qe6 24.Ne4 f5 25.Ng5 Qd7 26.Qc4= Kh8 27.Qe6 Qe6 28.Ne6 Rb8 29.d7+/– Kg8 30.d8Q+– Rd8 31.Nd8 b6 32.Nc6 a5 33.Ne7 Kf7 34.Nf5 Ke6 35.Ng7 Kd5 36.f4 a4 37.f5 Ke5 38.e4 c4 39.Ne6 a3 40.Nc7 c3 41.Kb1 Ke4 42.f6 Kd3 43.Nd5 (43.Nd5 Kc4 44.Nc3 Kc3 45.f7+–) 1–0. Thystrup,Preben – Botta,Giancarlo, corr ICCF TT–2–86 final, 1990.

8.Bf4 Nb6 9.Nb5 Ne8 10.Qc2 Nc4 11.Bc4 dc4 12.Qc4 c6 13.Nbd4 c5 14.Ne2 Be6 15.Qc2 Qd5 16.0-0 Bf5 17.Nc3 Qd3 18.Qb2 b6 19.Ne5 Qa6 20.e4 Be6 21.Nf3 f6 22.d4 cd4 23.Nd4 Bc4 24.Rfd1 Ba3 25.Qc2 Rc8 26.f3 Bd6 27.Bd6 Nd6 28.Rab1 Rfd8 29.Rb4 g6 30.Qa4 Qa4 31.Ra4 Rd7 32.Ndb5 Bb5 33.Nb5 Ne4 34.Rad4 Rd4 35.Nd4 Nc3 36.Rd2 Rc4 37.Ne2 Ne2 38.Re2 Kf7 39.Rd2 Ke6 40.Re2 Kf5 41.g3 a5 42.Kf2 b5 43.Rd2 Ke6 44.Re2 Kd5 45.Rd2 Ke5 46.Re2 Kd6 47.Rd2 Kc6 48.Ke3 b4 49.Rd8 f5 50.h4 a4 51.Rb8 Rc3 52.Kf4 Ra3 53.Rc8 Kd5 54.Rd8 Kc4 55.Rc8 Kd3 56.Rb8 b3 57.ab3 Rb3 58.Rh8 Ke2 59.Ke5 a3 60.Rh7 Rf3 61.h5 gh5 62.Rh5 a2 63.Rh2 Rf2 64.Rh1 Kf3 65.Rg1 Rg2 66.Ra1 Kg3 67.Kf5 Kf3 68.Ke5 Ke3 69.Kd5 Kd3 70.Rc1 Kd2 71.Rc4 Rg5 72.Kc6 a1Q 73.Kb7 Rb5 74.Kc6 Qa6 75.Kd7 Rd5 76.Ke7 Qc4 77.Ke6 Qc6 78.Kf7 Rd7 79.Ke8 Qc8# 0–1. GNUChess – GNUChess, 2003.

8.Bg3 c6 9.cd5 Nd5 10.Nd5 cd5 11.Be2 Nc5 12.0-0 Bd7 13.Qb1 Qa5 14.d4+= Ne4 15.Qb7 Ng3 16.hg3 Rfd8 17.Rfc1 Bd6 18.Qa6 Qa6 19.Ba6 Rab8 20.Rab1 Rb1 21.Rb1 Rb8 22.Rb8 Bb8 23.Bb7 Be6 24.Kf1 Kf8 25.Ne5 Bc7 26.Nc6 Bb6 27.Ke2 a5 28.Ba6 Bd7 29.Bb5 f6 30.a4 Kf7 31.Nb8 Bc8 32.f4 Bc7 33.Nc6 Bd7 34.Na7 (34.Kd2 Bd6+/–) ½–½. Pietrzak,A – Wawrzen, corr Poland, 1988.

10.Qb3 Nc3 11.Qc3 Bd6 12.Nc4 Bf5 13.Nd6 cd6 14.Qb2 b6 15.d4 Rc8 16.Rc1 Rc1 17.Qc1 Be4 18.f3 Bb7 19.Bd3 Qh4 20.Kf1 Rc8 21.Qd2 g6 22.Ke2 Qg5 23.Rg1 Qh5 24.h3 Re8 25.Qc2 Qd5 26.Qb2 Qh5 27.Qb5 Qb5 28.Bb5 Rc8 29.Bd3 Rc3 30.Kd2 Ra3 31.Bc4 d5 32.Bb3 Kg7 33.Rc1 Kf6 34.Rc7 Ba8 35.g4 h6 36.Ke2 Ke6 37.Kd3 f5 38.Rh7 Bc6 39.Rh6 Kf6 40.gf5 Kf5 41.Kd2 Kf6 42.Rh7 Ba8 43.f4 Kf5 44.Rh6 Kf6 45.Rh8 Bc6 46.Rh7 Ke6 47.Rg7 Be8 48.e4 Kf6 49.Rg8 Bf7 50.e5 Ke6 51.Rb8 Ke7 52.Rb7 Ke6 53.Bd5 Kd5 54.Rf7 Kd4 55.e6 Ra2 56.Kd1 Ra1 57.Ke2 Ra2 58.Kf3 Ra3 59.Kg4 Re3 60.e7 b5 61.f5 gf5 62.Kf5 b4 63.Rg7 b3 64.Rg4 Kc5 65.Re4 Re4 66.Ke4 b2 67.e8Q b1Q 68.Kf4 Qf1 69.Kg3 a5 70.Qe5 Kb4 71.Qd6 Kb5 72.Qe5 Kb4 73.Qd6 Kb5 74.Qe5 Kb4 ½–½. GNUChess – GNUChess, 2003.

10.Qb3 Nc3 11.Qc3 Bf6 12.e4 Be5 13.Qe5 Re8 14.Qc3 Re4 15.Kd1 Qd5 16.Qc7 Bd7 17.d3 Rc8 18.Qc8 Bc8 19.Rc1 Re8 20.Rc4 Bf5 21.Kc1 Re1 22.Kb2 Qb5 23.Kc3 Qa5 24.Kb3 Rb1 25.Kc2 Qa2 26.Kc3 Qb2# 0–1. GNUChess – GNUChess, 2003.

10.Qh5 Nc3 11.dc3 Bf6 12.Rd1 Qe7 13.Rd5 g6 14.Qe2 c6 15.Rd3 Be5 16.e4 f5 17.ef5 Bf5 18.Re3 Rae8 19.Qc4 Kh8 20.g4 Qa3 21.gf5 Qc1 22.Ke2 Qc2 23.Ke1 Bc3 24.Qc3 Qc3 25.Ke2 Qc2 26.Ke1 Qf5 27.Re8 Re8 28.Kd1 Qf3 29.Kc2 Qh1 30.Bc4 Qh2 31.Kc3 Qf2 32.a4 Qe3 33.Kc2 Kg7 34.Bd3 Re5 35.Bf1 Rc5 36.Kb2 Qd2 37.Ka3 Rc3 38.Kb4 a5 39.Ka5 Rb3# 0–1. GNUChess – GNUChess, 2003.

12.Qd4 Qe7 13.f4 Rd8 14.Bf7 Kf8 15.Qe4 Be5 16.fe5 Kf7 17.Qh7 Qg5 18.0-0 Ke7 19.Rf2 Bd7 20.Qe4 Bc6 21.Qb4 Ke6 22.Raf1 Qe5 23.Qc4 Bd5 24.Qd3 Ke7 25.Qd4 Kd6 26.Qe5 Ke5 27.Rf5 Ke4 28.Rg5 Rd7 29.Rd1 Be6 30.Rd7 Bd7 31.Rg7 Bc6 32.Rc7 Ke3 33.h4 Rg8 34.Re7 Kd3 35.g3 Rg3 36.Kh2 Rg2 37.Kh3 Ra2 38.h5 Ra1 39.Kg4 Rh1 40.Kg5 a5 41.h6 a4 42.Re5 Kc3 43.Re2 a3 44.Re3 Kb2 45.Re2 Kb1 46.Re3 a2 47.Rb3 Kc1 48.Ra3 Kb2 49.Ra7 b5 50.Ra5 a1Q 51.Ra1 Ka1 52.Kf4 b4 53.Ke3 b3 54.h7 b2 55.h8Q Rh8 56.Kd4 b1Q 57.Ke5 Qe4 58.Kd6 Qd5 59.Ke7 Rh7 60.Kf6 Bd7 61.Kg6 Qf5# 0–1. GNUChess – GNUChess, 2003.

12.Qd8 Rd8 13.Nf7 Bc3 14.Kf1 Rd7 15.Rc1 Bb2 16.Rb1 Rd2 17.Ng5 Kh8 18.Nf7 Kg8 19.Ne5 Kh8 20.Nf7 Kg8 ½–½. GNUChess – GNUChess, 2003.

12.Qd8 Bd8 13.0-0 Bf6 14.f4 c6 15.a4 c5 16.e4 Be5 17.fe5 Bd7 18.Bd5 Rab8 19.Rf4 Be6 20.Raf1 b6 21.Be6 fe6 22.Rf8 Rf8 23.Rf8 Kf8 24.Kf2 Ke7 25.Ke3 g6 26.g3 a6 27.h3 h6 28.Kd3 Kd7 29.g4 Kc7 30.Ke3 Kc6 31.Kd3 h5 32.Ke3 hg4 33.hg4 b5 34.ab5 Kb5 35.Kd3 a5 36.Kc2 Kc4 37.g5 a4 38.Kb2 Kd3 39.Ka2 Ke4 40.Ka3 Kd3 41.c4 Ke4 42.Ka4 Ke5 43.Kb3 Kd4 44.Kb2 e5 45.Kc2 Ke3 46.Kb2 Kd3 47.Kc1 e4 48.Kd1 e3 49.Ke1 e2 50.Kf2 Kd2 51.Kf3 e1Q 52.Kg2 Qe5 53.Kf3 Qf5 54.Kg2 Qg5 55.Kf2 Qg4 56.Kf1 Qc4 57.Kf2 Qf4 58.Kg1 Qf3 59.Kh2 c4 60.Kg1 c3 61.Kh2 c2 62.Kg1 c1Q 63.Kh2 Qch1# 0–1. GNUChess – GNUChess, 2003.

12.Qd8 Bd8 13.0-0 Bf6 14.f4 c6 15.a4 Bf5 16.Rae1 Bc2 17.Nd7 Rfe8 18.Nf6 gf6 19.a5 Rad8 20.Rf2 Bd3 21.Bd3 Rd3 22.Rb2 Re7 23.Rb3 Rd5 24.Ra1 f5 25.c4 Rdd7 26.Kf1 Kg7 27.Rab1 Kf6 28.Ke2 h6 29.g3 Ke6 30.h3 Kf6 31.Rd3 Ke6 32.Rbd1 Rd3 33.Rd3 Rd7 34.Rb3 Kd6 35.a6 b6 36.Rd3 Ke6 37.Rd7 Kd7 38.g4 Ke6 39.g5 hg5 40.fg5 f4 41.ef4 Kf5 42.Ke3 b5 43.cb5 cb5 44.h4 Kg4 45.Kd4 Kh4 46.Kc5 b4 47.Kb4 Kg4 48.Kb5 Kf4 49.Kc6 Ke5 50.Kb7 Kd6 51.Kb8 Kd7 52.Ka8 Kc6 53.Ka7 Kc7 54.Ka8 Kc8 55.a7 Kc7 56.g6 fg6 ½–½. GNUChess – GNUChess, 2003.

12.Qh5 Qe7 13.f4 g6 14.Qe2 Be5 15.fe5 Qe5 16.0-0 Bf5 17.Rac1 Rae8 18.g4 Bg4 19.Qg4 Qe3 20.Kh1 Re4 21.Bf7 Kg7 22.Qd1 Rf7 23.Rf7 Kf7 24.Qd5 Kg7 25.Qd6 Qc1 26.Qd1 Qd1 27.Kg2 Qg4 28.Kf1 Qf3 29.Kg1 Rg4# 0–1. GNUChess – GNUChess, 2003.

12.Qh5 g6 13.Nf7 gh5 14.Nd8 Kg7 15.Ne6 Be6 16.Be6 Bc3 17.Ke2 Ba1 18.Ra1 Kf6 19.Bc4 Rad8 20.Rb1 b6 21.f4 Rfe8 22.g3 c6 23.Bd3 Rd7 24.e4 Red8 25.e5 Ke6 26.Bc4 Ke7 27.Ke3 Rd4 28.Rc1 Rd2 29.h3 Rg2 30.Kf3 Rdd2 31.Bb3 Rdf2 32.Ke3 Re2 33.Kd3 c5 34.Bc4 Rb2 35.Ke4 Rg3 36.f5 Rh3 37.f6 Ke8 38.e6 Rg3 39.f7 Kf8 40.Rf1 Rg4 41.Ke3 Rg3 42.Ke4 Rg4 43.Ke3 Rg3 44.Kf4 h4 45.e7 Ke7 46.Re1 Kd7 47.Rf1 Ke7 48.Re1 Kd7 49.Rf1 Ke7 ½–½. GNUChess – GNUChess, 2003.

9.d4 dc4 10.Bc4 Nb6 11.Be2 c5 12.Ne4 cd4 13.Nf6 Qf6 14.Nd4 Be6 15.Qd2 Bd5 16.0-0 Rfd8 17.Rac1 forfeited 1–0. Degterev,Pavel (2115) – Damnjanovic,Radovan (2155), IECG, 2007.

9.d4 dc4 10.Bc4 c5 11.0-0 cd4 (11...Nb6 A) 12.Bb5 Be6 (12...Bg4 13.Ne4 c4 14.Qe2 Qe7 15.Nf6 Qf6 16.Bc4 Nc4 17.Qc4 Bf3 18.gf3 Qf3 19.Qc7=) 13.Rc1 Rc8 14.Bd3 cd4 15.Nd4 Bd4 16.ed4 Nd5 17.Nd5 Qd5 18.Rc8 Rc8 19.Qb1=; B) 12.Be2= Be6 (12...cd4 13.Nd4 Be6 14.Rc1 Qe7 15.Ne6 fe6 16.Qb3 Bc3 17.Rc3 Rac8 18.Rc8 Rc8 19.Rd1+=) 13.Ne4 (13.Rc1 Rc8 14.Qd2 cd4 15.Nd4 Nc4 16.Bc4 Rc4 17.Rfd1 Re8 18.Qd3 Qc8 19.Ne6=) 13...cd4 14.Nf6 Qf6 15.Qd4 Qe7 16.Qe4 f5 17.Qe5 Rae8 18.Bb5 Nd7 19.Qf4=) 12.ed4 (12.Nd4 Nb6 (12...Qc7 13.Qb3 Ne5 14.Be2 Rd8 15.Rac1 Rb8 16.Ne4 Qe7 17.Nf6 Qf6 18.Rc7 a6 19.Rfc1+/–) 13.Bb3 (13.Bd3 Be6= 14.Rc1 Bd4 15.ed4 Rc8 16.Re1 Qd7 17.Qh5 h6 18.Qe5 Rfd8 19.Red1=) 13...Be5 14.Rc1 Qe7 15.Qh5 g6 16.Qf3 Rd8 17.Rfd1 Kg7 18.a4 Be6 19.Ne6+=) 12...Nb6+= 13.Bb3 (13.Bd3 Bg4 14.Be4 Rc8 15.Rc1 Re8 16.Bb7 Rc7 17.Ba6 Re6 18.Qd3 Bf3 19.Qf3=; 13.Be2 Bg4 14.Rc1 Re8 15.h3 Bh5 16.Re1 Rc8 17.Qd3 Bg6 18.Qd2 a6 19.Red1+=) 13...Bf5 (13...Bg4 14.Ne4+= Rc8 15.Re1 Rc7 16.Nf6 Qf6 17.Re4 h5 18.Re3 Rd8 19.Qe1=) 14.Re1= Qd6 (14...Rc8 15.Qd2= Be7 16.a3 Nc4 17.Bc4 Rc4 18.Qe2 Be6 19.d5=) 15.Ne4 (15.Ne5 Be5 16.de5 Qb4 17.Qf3 Be6 18.Ne4 Nd7 19.Qf4+=) 15...Be4 16.Re4 Nd5 (16...Rac8 17.Qe2 Nd5 18.Bd5 Qd5 19.Re1=) 17.Qd3 (17.Bd5 Qd5 18.Qe2 Rac8 19.Re1=) 17...Rad8 (17...Rac8 18.Rae1 Nc3 19.R4e3=) 18.Rae1 g6 (18...Ne7 19.Qb5 Nc6 20.Qb7 Nd4 21.Nd4 Bd4 22.Qe7+=; 18...b5 19.g4+=) 19.Ne5 Rfe8? (19...Kg7 20.Qf3+=) 20.Qf3?? (better is 20.Bd5 Qd5 21.Ng4+–) 20...Kg7+= 21.h4 h5 22.g3 Re7= 23.Kg2 Rc7 24.Kg1 b5= 25.g4 Rc3 26.Qg2+/– hg4 27.Rg4 Be5 28.de5 Qc5 29.h5 Rc1 30.Rg6!+– Kh7 31.Rg7 Kh8 32.Rc1 Qc1 33.Kh2 Ne3?? 34.Qg5 Nf1 35.Kg2 Ne3 36.Kf3 Qh1? 37.Ke3 Qe1 38.Kf3 Qh1 39.Ke2 Qe4 40.Kf1 Qh1 41.Qg1 Qh3 42.Qg2 Rd1 43.Bd1 Qd3 44.Ke1 Qc3 45.Ke2 Qc4 46.Ke3 Qc3 47.Ke4 Qc4 48.Kf5 Qe6 49.Kf4 Qc4 50.Qe4 Qc1 51.Qe3 Qc4 52.Kg3 Kg7 53.Bb3 (53.Bb3 Qc6 54.Qg5 Kf8 55.h6 Qg6 56.Qg6 fg6 57.h7 Ke8 58.h8Q Kd7 59.e6 Kc6 60.e7 Kd6 61.e8Q Kc5 62.Qc3 Kd6 63.Qe6#) 1–0. Nevednichy,Vladislav (2555) – Parligras,Mircea (2490), ch–ROM, Curtea de Arges ROM, 2002.

9.d4= dc4 10.Bc4 c5 (10...Nb6 11.Bd3=) 11.Ne4 cd4 12.Nf6 (worse is 12.ed4 Re8 13.Qc2 Qe7–/+) 12...Nf6 13.Nd4 Qa5 (13...Ng4 14.Qd2=) 14.Qd2 Qd2 (14...Qg5 15.0-0=) 15.Kd2+= b6 (15...Rd8 16.Rac1+=) 16.Rhc1 (16.Rhd1 Rd8+=) 16...Bb7 17.f3 Rac8 (better is 17...Rfd8+=) 18.Ke2 (better is 18.Bd3+=) 18...Rc4!–+ 19.Rc4 Ba6 20.Rac1 Rc8 21.Kd3 Nd7 (21...Rc4?! 22.Rc4 Nd5 23.Nc2=) 22.f4 (22.Nf5 Ne5 (22...Bc4?! 23.Kd4 Rc5 24.Rc4 Rf5 25.Rc7–+) 23.Kd4 Rc4 24.Rc4 Nc4–+ (24...Bc4 25.Ke5 Ba2 26.Ne7 Kf8 27.Nc8=)) 22...Nc5 (22...Rc4?! 23.Rc4 Nc5 24.Kc3 Ne4 25.Kb4 Bc4 26.Kc4=) 23.Kd2 (23.Ke2 Ne4–+ (23...Bc4?! 24.Rc4 Kf8 25.Kf3=)) 23...Ne4 24.Kd1 (24.Ke1 Rc4 25.Rc4 Bc4–+) 24...Rc4 25.Ra1 (25.Rc4 Bc4 26.a3 Nd6–+) 25…Rc3 (25...Rc3 26.a4 Rd3 27.Kc2 Rd2 28.Kb3 Rg2–+) 0–1. Gerold – Andersson, corr ICCF, 1984.

9.Qb3 dc4 10.Bc4 c6 11.Ne5 Qe8 12.a4 Bd6 13.Nf3 Rb8 14.0-0 Bg4 15.Nd4 Qd7 16.f4 Qe7 17.h3 Bd7 18.Nf3 a5 19.Rab1 Bf5 20.Rbc1 Rbd8 21.g4 Bc8 22.Rfe1 Bb4 23.Re2 Nd7 24.Qc2 Rde8 25.Kg2 Kh8 26.e4 f6 (26...Qf6 27.f5+=) 27.Rce1 Rd8 28.d4 Nb6 29.Ba2 g6 30.f5 Qg7 31.fg6 Qg6 32.Rf1 h5 33.Nh4 Qg5 34.Nf5 (34.Nf3 Qg7+=) 34...hg4 35.hg4 Bf5 36.Rf5 Qg4 37.Kh1 Rd7 (37...Rd4 38.Rg2 Qg2 39.Qg2+–) 38.Rh2 Rh7 39.Rff2 (39.Be6 Qg3 40.Rh7 Kh7+=) 39...Bc3-/+ 40.Rh7 ½–½. Degterev,Pavel (2345) – Gerbich,Vladimir Fedorovich (2465), Yury Sakharov Memorial B, 2006.

9.Qb3 dc4 10.Bc4 c6 11.Ne5 Qe8 12.d4 Nd7 13.Nd7 Qd7 14.0-0 Qg4 15.Rac1 Qg6 16.Rfd1 Rb8 17.Bd3 Qh6 18.h3 Rd8 19.Ne4 Be6 20.Qa4 a6 21.Rb1 Rdc8 22.Rb6 Bd8 23.Rb2 Be7 24.Qc2 b5 25.Nc5 Bc5 26.Qc5 Bd5 27.Rbd2 Rd8 28.e4 Be6 29.Be2 Rbc8 30.Bf3 Qf4 31.Qa3 c5 32.Qa6 b4 33.d5 Bh3 34.e5 Bf5 35.d6 Qe5 36.d7 Rb8 37.Rd5 Qf4 38.Rc5 Be6 39.Rc8 h6 40.Rd8 Rd8 41.Qb6 Qf6 42.Bc6 Ba2 43.Rd4 Qe7 44.Rb4 Be6 45.Re4 Kh7 46.Qd4 Kg8 47.Qe5 Rd7 48.Bd7 Qd7 49.Rd4 Qc8 50.Rd1 Kh7 51.f3 g5 52.Rb1 Qc4 53.Rb8 f6 54.Qe3 Bf7 55.Qe4 Qe4 56.fe4 h5 57.Kf2 h4 58.Ke3 Kg6 59.Rb6 Bc4 60.Rc6 Bb3 61.Kd4 Kf7 62.Rc7 ½–½. Degterev,Pavel (2275) – Vertongen,Willy (2210), WC–2012–S–00006, 2009.

9.Qb3 c6 =.

9.Nb5 Ne8 10.cd5 Nd5 11.Be2 c6 12.Nbd4 Nd6 13.Qb3 Ne4=+ 14.Qc2 f5 15.Rb1 Kh8 16.Be5= Bf6 17.0-0 Re8 18.Bf6 Qf6 19.Ne1 c5=+ 20.Nb3 Nb4 21.Qb2 Qb2 22.Rb2 b6 23.d4 Be6 24.Nf3? Na2-/+ 25.Bb5 Rec8 26.Ne5 Nb4–+ 27.dc5 bc5 28.Rc1 Rab8 29.Be2 Nc6 30.Nc5? Nc5 (30...Rb2 31.Ne6 Re2 32.Nd4 Rf2 33.Ndc6–+). Lidner,Jan Joost – Slisser,Theo, DD–Bussum, 1973.

9.Nd5 Nbd5 10.cd5 Nd5 11.Bc4 c5 12.Ne5 Nb6 13.Bb3 Bf6 14.d4 Qe7 15.0-0 Be6 16.Be6 Qe6 17.Qf3 cd4 18.ed4 Qd5 19.Qd5 Nd5 20.Rab1 b6 21.Rfc1 Bg5 22.Rc4 Rac8 23.Nc6 Rfe8 24.h4 Bf6 25.Rbc1 a6 26.a4 g5 27.hg5 Bg5 28.R1c2 Re1 29.Kh2 Rce8 30.Nb4 R8e6 31.Be5+= f6 32.Nd5 fe5 33.Rc8 Kg7 34.R2c7+/– Kh6 35.de5 R1e5 36.Rc6 Rg6 37.Nb6 Re2 38.Rg6 hg6 39.Kg3 Rb2 40.Nc4 Rb4 41.a5 Ra4 42.f4 Be7 43.Rc6 Kg7 44.Ne5 Ra5 45.Rg6 Kf8 46.Kg4 Ra2 47.Kf5 a5 48.Rb6 Rd2 49.Ng6 (49.Ng6 Ke8 50.Re6+– (50.Ne7?! Ke7 51.g4 a4+–)) 1–0. Giorgetti,Fosco (1875) – Esposito,Marco (1805), Italia Scacchistica B, 1999.

10.Nd5 Qd5 11.Qc2 (11.Bc7 Bg4=) 11...c6 12.Bc4 Qa5 (12...Qh5 13.Rc1=) 13.0-0 Bf5 14.Bc7 (14.Qb2 b5 15.Qe5 Be4=) 14...Bc2 15.Ba5 b6 16.Bc3 Be4 17.Ne5 Bd5 18.Bd5+= cd5 19.Nc6 Rfe8 20.Ne7 Re7 21.Rac1 Ne4 22.Bb4 Rd7 23.d3 Nf6 24.h3 Ne8 25.Rc6 Rc7 26.Rc7 Nc7 27.Rc1 Ne6 28.Rc6 Rd8 29.f4 g6 30.g4 d4 31.f5 gf5 32.gf5 Nc5 33.Bc5 bc5 34.e4 Rb8 35.Rc5 Rb1 36.Kf2 Rb2 37.Kf3 Rd2 38.Rc8 Kg7 39.e5 Rd3 40.Kf4 Rd1 41.a3 1–0. Mehlhorn,U – Heinrich,W, BFO–069, 2000.

11.Bc4 Nb6 12.Be2 c5 13.0-0 Be6 14.Qc2 Rc8 15.Ne5 Nd7 16.Rab1 Ne5 17.Be5 Bd5 18.Qb2 f6 19.Bc3 Bd6 20.Qc2 Qd7 21.f4 f5 22.Bf3 Bf3 23.Rf3 Rf7 24.a4 b6 25.Rg3 Bf8 26.Qb3 Rb8 27.Qc4 Rd8 28.a5 ba5 29.Ba5 Qd5 30.Qd5 Rd5=+ 31.Rb8 Rfd7 32.Ra8 Kf7 33.Rf3 g6 34.Rf1=+ Bg7 35.Rc1 Rb7 36.Rd8 Rd8-/+ 37.Bd8 Bf8 38.Ra1 Ke6 39.Kf2 Kd5 40.h3 c4 41.Ke2 Bc5 42.Ba5 Kc6 43.g4 Rf7 (43...Kd5 44.Bc3=) ½–½. Dzieniszewski,Andrzej – Byrka, Gdynia, 1984.

11.Bc4 Nb6 12.Be2 c5 13.0-0 Be6 14.Be5 Nd7 15.Bc3 Nf6 16.a4 Nd5 17.Bb2 Bf6 18.Bd4?? cd4–+ ½–½. Wolf,M – Mann,Werner E, corr DDR, 1981.

11.Be2 c5 12.0-0 Qa5 13.Be5 b5 14.a4 b4 15.d4? Nc3–+ 16.Qd2 Ne2 17.Qe2 Ba6 18.Qa2 Bf1 19.Rf1 c4 20.Qc4-/+ Qa4 21.d5 Rfd8 22.Nd4 Qd7 23.Nc6 Rdc8 24.Qa6 Bf8 25.e4 Re8 26.f3 Qc8 27.Qa4 a5 28.Bd4 Qa6 29.Ra1 Qd3 30.Rd1 Qc4 31.Bb2 Bc5 32.Kh1 Qe2 33.Qa1 a4 34.Bg7=+ b3 35.Bh8 f6 36.Bf6 a3 37.Nd4 Bd4-/+ 38.Qd4 Ra4 39.Qg1 b2 40.d6? a2 41.d7 Rd8! 42.Bb2 Qb2 43.Qc5 Raa8 44.Qg5 Qg7 45.Qd5 Kh8 46.Qa8 Ra8 47.d8Q Rd8 48.Rd8 Qg8! 49.Rg8 Kg8 50.h4 a1Q 51.Kh2 Qe1 52.Kh3 Qf2 (52...Qf2 53.h5 h6–+) 0–1. Mroz,Antoni – Pfretzschner,R, corr ICCF cp, 1994.

11.e4 Nb6 12.Qc2=+.

10.Nd5 Qd5 11.Bc7+= Nc4 12.Qb3+/– Be6 13.Bc4 Qc4 14.Qc4 Bc4+= 15.Ba5 b6 16.Bc3 f6 17.Nd4 b5 18.a3 Rfc8 19.f4 a5 20.Kf2 Kf7 21.g4 Bd3 22.h4+= Bc5 23.Nb3 Bb6 24.Kf3 Rc4 25.Nd4 Ra4 26.Rhc1 b4 27.Bb2 Ra7 28.Nc6+/– ba3 (28...ba3 29.Ba3 Rc7 30.Nd8 Kg8 31.Rc7 Bc7+=) (cont. unknown, 38 moves). Brzoza,Miroslaw – Koziol,Stanislaw, corr Poland, 1980.

10.Nd5 Nd5 11.Bc4 Nb6 12.Bb3 Bf5 13.Ne5 Bd6 14.0-0= Be5 15.Be5 Nd7 16.Bg3 Bd3 17.Re1 Nf6 18.Rc1 Rc8 19.Bc4 c5 20.Bd3 Qd3 21.Rc3 Qd5 22.d3 b6 23.Qc2 Rcd8 24.Qb3 ½–½. Leisebein,Peter – Schirmer,Michael, corr SOK–92–89, 1992.

10.Nd5 Nd5 11.Be2 Bf5 12.0-0 c5 13.Qb3 Nb6 14.d4 Be6 15.Qc3 Qd5 16.Rfd1 =. Rodin,Efim Grigorievich (2340) – Powell,Chris (2490), corr E–63ch sf03, 1999.

9.Bc4 a6 10.a4 Nb6 11.Be2 Bf5 12.0-0 Nbd5 13.Nd5 Nd5 14.Qb3 Nb4 15.Rfc1 Rc8 16.Bc4 a5 17.Ne5 Qe8 18.d4 Bd6 19.Rc3 Be6 20.Rac1 Qe7 21.Be6 fe6 22.Nd3 Bg3= 23.hg3 Nd3 24.Rd3 Qf7 25.f3 c6= 26.Rc5 Ra8 27.Re5 Rfe8 28.Rc3 Re7 29.Rcc5+/– Qe8 30.Ra5 Ra5 31.Ra5 Qg6 32.Ra8+– Kf7 33.Kf2 Qf5 34.Rb8 Qa5 35.Rb7 Qd2 36.Kg1 Rb7 37.Qb7 Kf6 38.Qb3 Qc1 39.Kh2 c5 40.dc5 Qc5 41.Qd3 Qh5 42.Kg1 Qa5 43.Qh7 (43.Qh7 Qe1 44.Kh2 Qe3 45.a5+–) 1–0. Mehlhorn,Uwe (2315) – Peetoom,Frank (1790), RSS7E pro–13, 2004.

9.Bc4 Nb6 10.Be2 c6 11.Qc2 Nbd5 12.Nd5 Qd5 13.0-0 Bf5 14.d3 Bg4 15.h3 Bh5 16.e4 Qa5 17.d4 Rfd8 18.Rfd1 Bg6 19.Bd3 Bh5 20.e5 Bf3+= 21.gf3 Nh5 22.Bh7+/– Kh8 23.Be4 Ng3 24.fg3 Rd7 25.Rd3 Rad8 26.Rad1 g6 27.Kg2 Kg7 28.f4 Qb4 29.a3 (29.a3 Qa5 30.f5 gf5 31.Bf5+–) 1–0. Adam,Stefan – Paehtz,Wolfgang, corr DDR–ch U26, 1989.

9.Bc4 Nb6 10.Be2 Bf5 11.0-0 c5 12.d4 Rc8 13.Rc1 c4 14.Nh4 Be6 15.Qc2 Nbd5 16.Nd5 Bd5 17.Qa4 Ne4 18.Nf5 Bg5 19.Be5 f6 20.Bf4 Bf4 21.ef4 Be6 22.Bc4 Rc4 23.Rc4 Bf5 24.Rfc1 Qd6 25.f3 Nd2 26.Rc7 Qf4 27.Qa7 Nf3! 28.gf3 Bh3 29.R7c2 Qe3 30.Kh1 Qf3 31.Kg1 Qe3 32.Kh1 Qe4 33.Kg1 Qg6 34.Kh1 Bf5 35.Rg1 Be4 36.Rcg2 Bg2 37.Rg2 Qb1 38.Rg1 Qe4 39.Rg2 Rc8 40.Qa3 Qd4 41.h3 g5 42.Qb3 Kh8 43.Qf3 Rc1 44.Kh2 Rc3 45.Qg4 Qd6 46.Kh1 f5! 47.Qf5 0–1. Meisinger,Peter – Buecken,Guenter, DESC, 1999.

9.Bc4 c6 10.0-0= Qa5 11.Qc2 Nb6 12.Bb3 Bf5 13.e4 Bg4 14.Ne5 Bh5 15.Nd3 Rfe8 16.Nf4 Bc5 17.d3 Bg4 18.h3 Bd4 19.Rac1 Bd7 20.Nfe2 Be5 21.f4 Bc7 22.Bf2 Be6 23.Be6 Re6= 24.Rb1 Ree8 25.Nd4 Bf4=+ 26.Nf5 Bb8 27.Qd2 ½–½. Hildingstam,Stefan – Luzuriaga,Norberto Horacio, corr or01–005 E–mail, 2001.

9.Bc4 c6 10.0-0 Qa5 11.Nd4 Nb6 12.Bd3 Nbd5 13.Nd5 Qd5 14.Qc2 Re8 15.Rab1 Bd8 16.Bc4 Qa5 17.Qb3 Qh5= 18.f3 a6 19.a4 b5 20.ab5 cb5 21.Bd3 Bb6= 22.Ne2 Qd5 23.Qc2 Qc5 24.Qc5 Bc5 25.Rfc1 Rd8 26.Rc5 Rd3=+ 27.Rc2 Be6 28.Bh4 Ne8 29.Nf4 Rd7 30.Ne6= fe6 31.d4 Nd6 32.Kf2 Nc4 33.Ra2 Rb7 34.Ke2 a5 35.e4 b4 36.Kd3= Rc8 37.Rb3 Na3 38.Be1 Ra7 39.f4 Raa8 40.g4 Nb5 41.Bf2 g6 42.Rab2 Rc1 43.Be3 Rd1 44.Rd2 Ra1 45.Rc2 Rd8 46.Rd2 Kf7 47.Bf2 Nc3=+ 48.Bg3 Rc8 49.f5 ef5 50.ef5 Nd5 51.fg6 Kg6-/+ 52.Ke4 a4 53.Rbd3 Nc3–+ (53...Nc3 54.Ke5 Re8 55.Kd6 Ne4 56.Kd7 Ra8–+) 0–1. Sternik,Ryszard – Luzuriaga,Norberto Horacio, corr or01–004 E–mail, 2001.

9.Bc4 c6 10.0-0 Qa5 11.Nd4 Nb6 12.Bd3 Bd7!?

9.Bc4 c6 10.0-0= Qa5 11.h4 Nb6=+ 12.Bb3 Bf5 13.Re1 Bb4 14.Rc1? Ba3-/+ 15.e4 Bc1 16.Qc1 Bg4 17.e5 Nh5 18.Re4 Bf5 (18...Bf5 19.Re3 Ng3 20.fg3 Rad8–+; < 18...Ng3 19.Rg4 Nf5 20.Qc2–/+) 0–1. Pietrzak,Wojciech – Luzuriaga,Norberto Horacio, corr or01–002 E–mail, 2001.

9.Qc2 c6 10.Be2 Nfe4 11.cd5 cd5 12.d3 Ng3 13.hg3 Bf5 14.Nh4 Bh4 15.Rh4 Rc8 16.Qd2 Ne6 17.Bf3 d4 18.Nd5 de3 19.fe3 Ng5 20.Rc4?? Nf3–+ 21.gf3 Be6 22.Nf4?? Qf6?? 23.Kf2?? g5 24.Ne2?? Qh6 25.Rg1?? Rc5?? 26.Rb4 (better is 26.Rc5 f5 27.Nd4+–) ½–½. Adam,S – Staudler, corr ch DDR, 1989.

9.Qc2 c6 10.Be2 Nfe4 11.cd5 Nc3 12.Qc3 (12.d6 Bd6 13.dc3 Bg3 14.hg3 g6=) 12...Ne4 13.Qb3 Qd5 14.Qd5 cd5 15.Be5 f6 16.Bd4 b6 17.Rb1 Bd6 18.d3 Nc5 19.Kd2 Re8 20.Bc3 Be6 (20...Ba6 21.Nd4=) 21.Nd4+= Bf7 22.Nb5 Bb8 23.Rhc1 a6 24.Nd4 Na4 25.Ba1 b5 26.Rc6 Ra7 27.Rbc1 Ra8 28.Bd1 Kf8 (28...Bh2? 29.Ba4 ba4 30.g3+–) 29.h4 Ra7 (29...h5!?+/–) 30.h5 h6 31.g4 1–0. Mehlhorn,Uwe (2440) – Schulz,Hans_Juergen (2305), RSX9E – A00 – Sokolsky–2, 2004.

9.Qc2 c6 10.Be2 Nfe4 11.cd5 Nc3 12.Qc3 Ne4 13.Qc2 Bf5 (worse is 13...Qd5 14.Bc4 Ng3 15.Bd5 (15.hg3?! Bf5 16.Qb3 Qc5=) 15...Nh1 16.Bc4+–; 13...cd5?! 14.Bc7 Qe8 15.Rb1=; worse is 13...Ng3 14.hg3 h6 15.dc6 bc6 16.Ne5+/–) 14.Qb3 Nc5 15.Qc3 Qd5 (15...cd5 16.0-0=) 16.Be5 Ne4 17.Qb2 f6 18.Qb7 Qf7 (18...Qe6!? 19.Bf4 Nc5+=) 19.Bf4+/– Nc5 20.Qc6 Rfc8 21.Qb5 a6 22.Qb2 Nd3 23.Bd3 Bd3 24.Nd4 g5 25.Bg3 f5 (25...f5 26.Be5 Qd5+/–). Schaar,Joerg (1940) – Milde,Lars (2255), RSLE–2009, 2009.

9.Qc2 Bg4 10.d4 Nce4 11.Nd5+= Nd5 12.Qe4 Bb4 13.Nd2 Nf6 14.Qd3 c5 15.d5 b5 16.Be2 bc4-/+ 17.Qc4 Bf5 18.Bf3= Qa5 19.Rd1+/– Rfe8 20.Qe2 c4 21.Qc4 Rac8 22.Qe2 Rc2 23.0-0 Bd2 24.e4?! Ne4 25.Be4 Re4 26.Qd3 Re5! 27.Rb1 h6 28.Qc2 Bc2 29.Rb8 Kh7 30.Be5 Qd5 31.Rb2 Qc4 32.a3 f6 33.Bd6 Bd3 34.Rd1 Bc1 35.Rb7 Qc2 36.Re1 Bd2 37.Ra1 Bc3 (37...Bc3 38.Rc7 Qb2–+ (< 38...Ba1 39.Rc2 Bc2 40.Bc5–+); 37...Qc6 38.Rb2 Bc3 39.Rc1 Qd6 40.Rb3–+) 0–1. Kupreichik,Viktor – Juferov,Sergey, Minsk, 1975.

9.d4 Nce4 10.Ne4 Ne4 11.Bd3 Be6 12.cd5 Qd5 13.0-0 c5 14.Be4 Qe4 15.a4 Rac8 16.dc5 Rc5 17.Rb1 Rd8 18.Qe2? (better is 18.Qe1–/+) 18...Bc4–+ 19.Nd2 (19.Rb4–+) 19…Qc2 (19...Qc2 20.Qc4 Rc4 (20...Qd2 21.Qe4 Rd7 22.Rb7 Rb7 23.Qb7+/–) 21.Nc4 Qc4 22.Rb7 Bc5–+; 19...Be2?! 20.Ne4 Rc4 21.Rfe1–/+) 0–1. Rush,Bradley – Ferluga,Sergio, OP–2010-0-01124, 2010.

9.cd5 Nd5 10.Nd5 Qd5 11.Bc7 Bf5 12.d4 Ne6 13.Be5 Bb4 14.Nd2 f6 15.Bg3 Nd4! 16.Rc1 Nc2! 17.Rc2 Bc2 18.Qc2 Rac8 19.Qb3 Bd2 20.Ke2 Rfd8 21.Qd5 Rd5 (21...Rd5 22.Kf3 Rf5 23.Bf4 Ra5–+) 0–1. Molina Medina,Rafael – Sanz Velez,Antonio, corr ESP Arboleya, 1997.

9.Be2 c6 10.0-0 Nce4 11.Ne4 Ne4 12.Be5 dc4 13.Bc4 Bg4 14.d4 Bd6 15.Qc2 Bf3 16.gf3 Nd2 (16...Ng5 17.f4 Be5 18.fe5=) 17.Qd2 (better is 17.Bd6!? Nf3 18.Kg2 Nh4 19.Kg3 Qd6 20.Kh4 Qh2 21.Kg4 Qg2 22.Kf4 g5 23.Ke5 Rae8 24.Kd6 Re3 25.Qf5=) 17...Be5= 18.f4 Bf6 19.Rab1 b6 20.Rfd1 Qd7 21.Qe2 Rac8 22.Rbc1 Rc7 23.Qf3 Rd8 24.Kg2 Qc8 25.Rc2 Be7 26.e4 Rcd7 27.Qh3 Bc5 28.d5 (28.dc5 Rd1 Pinning (28...Rd1 Deflection)) 28...Qc7 29.Qg4 Kh8 30.Qf5 cd5 31.Bd5 Rd6 32.Rd3 Qd7 33.Qd7 R6d7 34.a4 g6 35.Kg3 Kg7 36.Rc1 Rc7 37.Kf3 Rcd7 38.Rcd1 a6 39.Bc4 ½–½. Degterev,Pavel (2275) – Dutra,Alfredo (2450), CP–2005–S–00006, 2008.

8.a3 Bf5 (8...Nc6 9.Bg3-/+) 9.Be2 (9.d4 c6-/+) 9...c5 (9...Nc6 10.Bg3=+) 10.0-0=+ Nc6 11.Bb2 Qb6 12.Nc3 Ne3 (12...Nf4 13.ef4 Qb2 14.Bb5=) 13.fe3 Qb2 14.Bb5 Qc2 (14...Na5 15.Ne1 Bg4 16.Qg4 Qa1 17.Qe4+=) 15.Qe2= Bc8 (15...Bg4!? 16.Bd3 Qb3=+) 16.e4+= Nd4 17.Nd4 cd4 18.Ba4 Qb2 Exerts pressure on the isolated pawn 19.Rfb1 Bc5 20.Rb2 dc3 21.Kf1 cb2 22.Rb1 Ba3 (better 22...Bd4!? 23.Qd3 Rd8 24.Rb2 Rd6+=) 23.Qe3+/- Bb4 (23...Bd6 24.Kg1+/-) 24.d4 a5 25.Rb2 b6 (25...Rd8 26.d5+/-) 26.Rc2 (26.Bb5 Rd8+/-) 26...Ba6 27.Kf2 b5 28.Bb3 Be7 (28...Rac8 29.Qd3 Rc2 30.Bc2+/-) 29.Bd5 Rac8 (29...Ra7 30.Bc6 Rb8 31.e5+/-) 30.Rc8+- Bc8 31.Qc1 Be6 (31...b4 32.Ke2 Bf6 33.Qc7 Ba6 34.Ke3 Bg5 35.Kf3+-) 32.Be6 fe6 33.Ke2 Rd8 (33...a4 34.Qc6 Rf6 35.e5+-) 34.Qc7 Kf7 35.Qf4 Kg8 36.Qe5 Kf7 37.Qh5 Kf8 38.Kd3 a4 39.Qb5 a3 40.Qa6 (40.Kc3 h6+-) 40...Kf7 (40...Bc5 41.Kc2 Bd4 42.Qa3 Kf7 43.Qa5 Rc8 44.Kd3+-) 41.Qb7 g6 (41...h5 42.Kc3+-) 42.g4 (42.Kc3 h5+-) 42...h5 43.g5 h4 44.h3 Kf8 45.Qc6 (45.Kc3!? Kf7+-) 45...Kf7+/- 46.Qa6 (46.Kc4 Rb8 47.d5 Rb4 48.Kd3 Rb3 49.Kc2 Rb2 50.Kc3 ed5 51.ed5 Rh2 52.Qe6 Kf8+/-) 46...Rb8 47.d5 (47.Kc3 Bb4 48.Kc2 Be7+-) 47...ed5 (47...Rb3 48.Kd4 ed5 49.ed5 Bg5 50.Kc4+/-) 48.ed5 Rb1 (better 48...Rb3!? 49.Kc4 Rg3+-) 49.Qe6+- Kf8 50.Qg6 a2 51.Qh6 Ke8 52.Qc6 ½-½. pierre (2165) - luciano59 (2080), chesshere.com, 2007.

8.Bb2 Nbd7. Adam.

8.Bb2 Be6 9.Nd4 Bf6 10.Ne6 fe6 11.Nc3=.

8.Bb2 Re8 9.Qc2 =+.

8.Bb2 Bf5 9.d3 (9.Nd4 Bg6=+) 9...Bb4 (9...Nc6 10.Be2=+) 10.Nbd2 Nc3?? (better 10...Nc6=+) 11.Qb3+/- h5?? (better 11...Nd5 12.e4 Re8+/-) 12.Qb4+- (worse 12.Bc3 Bc3 13.Qc3 Nd7+-) 12...b6 (12...Nd5 13.Qb7 Nb6+-) 13.Qc3 (13.Qc3 f6 14.Nd4+-) 1-0. Kleinke,Uwe – Ruckriem, corr DDR-I, 1979.

8.Nc3 Nc3 9.dc3 Nd7 =+.

8.Bc4 Bf6 9.Bd5 Be5 10.Bf7 Rf7 11.Ne5 Qf6 12.Nf7 Qa1 13.Ng5 Qa2 14.0-0 Nc6 15.Qh5 Bf5 16.Nc3 Qd2 17.Qf7 Kh8 18.Qf5 g6 19.Qf6 Kg8 20.Qf7 1–0. polynesia46 (1645) – ff56 (1640), internet, 2014.

8.Be2 Bf6 9.0-0 c5 10.Na3 Be5=+ 11.Ne5 Qe7 12.f4 Nd7 13.Nac4 f6 14.Nd7 Bd7 15.Rc1 (15.Qb3 Be6=) 15...b5 16.Na5 c4 17.Bf3 Qe6 18.Qe2 Rac8 19.g3 (19.Bd5 Qd5 20.a4 Bf5-+) 19...Nb4-/+ 20.Rb1 Na2 21.Rb2 c3 22.dc3 (22.f5!? Qf7 23.Bh5 cb2 24.Bf7 Rf7 25.d4=+) 22...Nc3 23.Qd3 Rfe8 24.Re1 Qf5 (24...Rc7 25.Nb7 Bc8 26.Na5-+) 25.Qd4 Na4 26.Rd2 Nc5 (26...Nb6 27.Nb7 Rc4 28.Qb2=) 27.Nb7= Nb7 28.Bb7 Rcd8 29.Qa7 Be6 30.Rd4 (30.Rd8 Rd8 31.e4 Qg4+=) 30...Qc2 (better 30...Bc4=) 31.Red1 (31.Rd8 Rd8 32.Qb6+/-) 31...Rd4 (better 31...Qd1!? 32.Rd1 Rd1 33.Kf2 Red8-+) 32.Qd4= Bg4 33.Rd2 Qc1 34.Kf2 h5 (34...Kh8 35.Be4=) 35.Qb2 Qc5 36.Qd4 Qe7 (better 36...Qc1!?=) 37.Bc6+/- Rb8 Black intends b4 38.Qd5 Be6 39.Qh5 b4 (39...f5!?+=) 40.Be4+/- Kf8?? (better 40...b3+/-) 41.Qh8+- Bg8 (41...Kf7 42.Qb8 f5 43.Bd5+-) 42.Bd5 (42.Bd5 Qd6 43.Rd3+-) 1-0. Kaenel,Hansjuerg - Carlier,Bruno, Winterthur, 1974.

10.0-0 Ne5-/+ 11.Ne5 Bf6 12.d4 Bf5 (12...cd4 13.ed4 Nf4-/+) 13.Qb3? (better 13.Bg4!? Bg4 14.Ng4 cd4 15.Nf6 Nf6 16.ed4=+) 13...cd4-+ 14.ed4 Nf4 15.Ra2 Qd4 16.Nf3 Qe4 17.Bc4 b5! 18.Bb5 A deflection. (18.Qb5 Bh3) 18...Ng2! 19.Kg2? (better 19.Nfd2 Qg4 20.Qg3-+) 19...Be6 20.Qc2 (20.Qe3 Qg4 21.Kh1 Ba2 22.Bc6-+) 20…Bh3 (20...Bh3 21.Kg1 Qg4 22.Kh1 Qg2) 0-1. Cossmann,Robert - Vahtera,Manu, corr ICCF, 1981.

10.Bb2 b6 11.0-0 Bb7 (11...Bf5 12.d4=+) 12.Qc2= Bf6 13.d3 Re8 14.Nc3 (14.Rc1!?=+) 14...Nc3-/+ 15.Bc3 Qe7 (15...Bc3!? 16.Qc3 Nd4 17.Nd4 cd4-/+) 16.Rfd1 (16.Rfe1 Rad8=+) 16...Rad8 17.h3 Ne5 18.Ne1 ½-½. Hornicek,Jiri - Bartels,Hans, Praha, 1985.

10.Bb2 b6 11.0-0 Bb7 (11...Bf5 12.d4=+) 12.Nc3 Bf6 13.Qc2 Ne5 14.Nd5 Nf3 15.Bf3 Bb2 16.Qb2 Bd5 17.Bd5 Qd5 18.d4 Rfd8 19.Rad1 Rac8 20.Rfe1 f5 21.f3 c4 22.Qb4 c3 23.Rc1 Rc4 24.Qb3 Rd4 25.Qd5 R4d5 (25...R8d5?? 26.ed4 Rd4 27.Rc3+-) 26.Rc3 h5 27.h4 Rd2 28.Kh2 R8d6 29.Kh3 a6 30.e4 fe4 31.Re4 Kh7 32.Rce3 R6d3 33.g4 Re3 ½-½. Benassi,Aspasio - Osbahr,Thomas, corr EM/M/156 ICCF Email, 2001.

10.Bb2 Be6=+.

10.Bb2 Bf6 11.Qc2 Re8 12.Bd3 Bb2 13.Qb2 Nf4 14.Be2 (14.Bf1 a6-/+) 14...Ne2 (14...Bg4 15.ef4 Bf3 16.gf3-+) 15.Ke2 Bg4 16.Nc3 (16.Ke1 Bf3 17.gf3 Qd5-+) 16...Nd4 (16...b6 17.Rhg1-+) 17.Kf1 (17.Ke1 Nf3 18.gf3 Bf3-+) 17...Bf3 (17...Nf3 18.gf3 Bf3 19.Rg1 Qd3 20.Ke1-+) 18.ed4 (18.gf3!? Nf3 19.Ke2-+) 18...cd4-+ 19.gf3 dc3 20.Qc3 Rc8 21.Qb3 b6 (21...Rc6 22.Rd1 Rb6 23.Qc4-+) 22.Rd1 h6 (22...Qh4!? 23.f4-+) 23.Rg1-/+ Qf6 (23...Qh4 24.Rg2-/+) 24.Rg4 Qe5 (24...Re7 25.d4-/+) 25.Kg2 Qe2 26.d4 (26.Kh1 Rcd8 27.Rdg1 g5=+) 26...Rc2 Do you see the mate threat? 27.Rf1 Rd2 28.Qa4 (28.Qd5 Rd3-/+) 28...h5 (28...Rd3 29.Kg1 Re7 30.Qb4-+) 29.Rg5 Re7 (29...Rd3 30.Kg1 Rd8 31.Qa7 R3d4 32.Qb6-/+) 30.Rh5=+ Qe6 (30...Rd3 31.Qc6 Re8 32.Rg5=+) 31.Re5 (31.Rh4 Qf6 32.Rg4 Rd3-/+) 31...Qd7 Attacks the isolani on d4 (31...Qg6 32.Kh1=+) 32.Qc4 ½-½. Korchut,Adam (2035) - Parry,Andrew, TE.2004.P.01708, 2004.

9.a3 Nc6 10.Be2 (10.Qc2 Be6=+) 10...Bf6 11.Qc2 Re8 (11...Be6 12.Nc3=+) 12.0-0 (12.Nc3 Be6=+) 12...Nd4 (12...Bf5! 13.Qf5 Bb2=+) 13.ed4= Re2 14.dc5 The passed pawn on d2 will become decisive later 14...Nf4 15.Nc3 Bg4 16.Ne2 (16.Qa4 g5 17.Ng5 Bg5 18.Ne2 Be2=+ (18...Ne2?! 19.Kh1 Bf4 20.Be5=+)) 16...Ne2 17.Kh1 Bf3 18.gf3 Qd5 Do you see the mate threat? 19.Qe4 Qe4 20.fe4 Bb2 21.Ra2 Bd4 22.Rc2 Rc8 (22...Nf4 23.f3-/+) 23.Rb1 Rc7 (23...Rc5 24.Rb7 g6 25.Rc5 Bc5 26.Kg2=+) 24.Rb4 (24.c6!? b6 25.Rc4=) 24...Be5=+ (worse 24...Bc5 25.Rbc4 b6 26.d4 Nd4 27.Rd4+/-; 24...Rc5? 25.Rd4 Nd4 26.Rc5+-; 24...Bf2 25.d3 Be1 26.Rb1+/-) 25.Rcc4 Rd7 (25...Kf8=+) 26.d4 (better 26.Ra4!? a6 27.c6 bc6 28.Rc6=+) 26...Nd4-+ 27.f4 Nf3 (27...a5 28.Ra4 Nf3 29.Ra5-+) 28.Kg2-/+ Nh4 29.Kg3 Rd3 30.Kh4?? (better 30.Kg4 Nf3 31.Rc2-/+) 30...Bf6 31.Kg4 g6 32.f5 h5 (32...h5 33.Kf4 g5) 0-1. Miralles,Gilles - Utasi,Tamas, Groningen, 1982.

9.a3 Bf5 10.Qb3 Nc6 11.d3-/+.

9.Qb3 Nc6 10.Be2 (10.e4 Nf6 11.Nc3 Bd6=+) 10...Bf6 (10...Be6 11.Qa4-/+ (11.Qb7?? Na5 12.Qb5 Rb8-+)) 11.Nc3 Nc3 (11...Ndb4!?=+) 12.Bc3= Bc3 (12...Re8 13.Rd1=) 13.Qc3 Qe7 14.Rc1 b6 15.d4 Nb4 16.Qb2 (16.Bc4 Be6 17.a3 Nd5=) 16...cd4 (16...Bb7 17.Rd1=) 17.Nd4 Bb7 (17...Be6 18.a3 Nd5 19.0-0=) 18.a3 (18.Rc4 A) 18...Bg2? 19.Rg1 Qf6 20.Rg2+- (20.Qb4?! Bd5+-; worse 20.Rb4 Be4+-); B) 18...a5 19.a3 B1) 19...Bg2? 20.Rg1 Qe5 21.Rg2+- (21.ab4?! Bd5+-); B2) 19...Nd5+/-) 18...Nd5 (18...Bg2 19.Rg1 Qf6 20.Rg2+- (20.Qb4?! Bd5+-; 20.ab4?! Be4+-)) 19.Qb3 (19.0-0 Rfd8 20.Rfd1 Qg5+=) 19...Rfd8 Black terminates the opponent with strong threats 20.Bf3 (20.Rc4 Qg5 21.Bf3 Rd7=) 20...Nf4=+ 21.Kf1 (21.Nc6 Bc6 22.Rc6 Nd3 23.Ke2 Ne5-/+) 21...Rd4 (21...Rac8 22.Ra1-/+) 22.ed4-+ Ba6 23.Kg1 Nh3! 24.gh3 Qg5 Theme: Double Attack 25.Bg4 Qc1 26.Kg2 Bb7 27.Bf3 (27.d5 Qg5 28.Rd1 Rd8-+) 27...Qg5 28.Kf1 Ba6 29.Be2 Rc8 Threatening mate: Rc1 (29...Rc8 30.Ba6 Rc1 31.Ke2 Qh5 32.Kd2 Rh1-+) 0-1. Junge - Worbe,R, corr DDR-cp, 1981.

9.d4 Nc6 10.Nbd2 cd4 11.Nd4 Nd4 12.Bd4 Bf6 (12...Nb4 13.Bc4=+) 13.Bf6 Qf6 14.Bd3 (14.Ne4 Qe5 15.Qd4 Qd4 16.ed4 Re8=+) 14...Rd8 15.0-0 Nb4 (15...Be6 16.Qc2=) 16.Be4 Bf5 17.Qb1 (17.Qf3 Rd2 18.Bf5 Nc6= (worse 18...Ra2 19.Qb7 Rd8 20.Ra2 Na2 21.Bh7 Kh7 22.Qb1 Qg6 23.Qa2+/-)) 17...Be4=+ (17...Rd2 18.Bf5 Rb2 19.Bh7 Kh8 20.Qf5 Qf5 21.Bf5 Na2 22.Rfd1=) 18.Ne4 White gets deadly initiative 18...Qe7 19.Ng3 Nc6 (19...Nd3 20.Rd1 Qd7 21.e4=) 20.Nf5 Qc7 (20...Qd7 21.Rd1 Qd1 22.Qd1 Rd1 23.Rd1+=) 21.Qb2+= Threatening mate: Qxg7 21...f6 22.Rab1 b6 (22...Rd7 23.Qb3 Kh8 24.Rfd1=) 23.Qc2 (23.Rbc1 Qd7+=) 23...Rac8 24.Rbc1 Qf7 25.Qe4 Re8 26.Rc6?? (better 26.Qf4 Ne5 27.Nd6 Rc1 28.Nf7 Rf1 29.Kf1 Kf7 30.Qe4+-) 26...Re4=+ 27.Rc8 Re8 28.Rfc1 (28.Rfc1 Qe6 29.Re8 Qe8 30.Rc8+-) 1-0. Dopper,Johan - Raasveld,J, corr NED Hkl, 1995.

9.d4 Nc6 10.Nbd2 Re8 (10...Bg4 11.dc5 Bc5 12.Qb3=+) 11.dc5= Bc5 12.Rc1 Be3 (12...Be3 13.fe3 Ne3-/+; better 12...Bd6!?=) 0-1. Jacewicz,Grzegorz - Sakai,Kiyotaka, corr or01-011 E-mail, 2001.

9.Be2 Nc6 10.0-0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 d5 6.cd5 Nd5 7.Nf3 Be7 8.Be2 c5 9.0-0 Nc6 10.Bb2).

9.Qb3 Nc3 10.Bc3 (10.Qc3 f6 11.Bg3 (11.Bf4 Nc6 12.Bc4 Kh8 13.0-0 Bg4 14.Rab1 Nb4 15.Rfe1; 11.Bc4 Kh8 12.Bf4 Nc6 13.0-0 Bg4 14.Rab1 Nb4 15.Rfe1) 11...Nc6= 12.Bc4 Kh8 13.0-0 Bg4 14.Rab1 Qd7 15.Qd3) 10...Bf6 (10...Nd7 11.Rd1= (11.Bb5 Nf6 12.Bc4 Qb6 13.Rb1 Qb3 14.Rb3 b6 15.0-0; 11.Be2 Nb6 12.0-0 Be6 13.Qb1 Bf6 14.Qc2 Bc3 15.dc3; 11.Qb2 Nf6 12.Bc4 Qb6 13.Rb1 Qb2 14.Rb2 Nd7 15.Ba5; 11.Bd3 Nb6 12.Qb5 Be6 13.0-0 c4 14.Bc2 Qd5 15.Qb1; 11.Qc2 Nb6 12.Bb5 c4 13.d3 Qd5 14.dc4 Nc4 15.Qb3; 11.Qb5 Nf6 12.Bd3 a6 13.Qb1 g6 14.0-0 b5 15.Ne5) 11...Nb6 12.Qb1 Be6 13.Bd3 g6 14.Bc2 Qd7 15.0-0; 10...Qb6 11.Bc4 (11.Rb1 Qb3 12.Rb3 Nd7 13.e4 Rd8 14.Ne5 Nb6 15.Nc4; 11.Bd3 Nc6 12.0-0 Be6 13.Bc4 Qb3 14.ab3 Rfd8 15.Be6; 11.Be2 Nc6 12.0-0 Rd8 13.Qa4 Nb4 14.Ne5 f6 15.Bc4; 11.h3 Nc6 12.Bc4 Bf5 13.0-0 Qb3 14.ab3 a5 15.Ra4; 11.Bb5 Nc6 12.0-0 Bf5 13.Bc4 Qb3 14.ab3 Rfd8 15.Rfe1) 11...Nc6 12.Rb1 Qb3 13.Rb3 b6 14.Bd5 Bb7 15.Ne5; 10...Nc6 11.Bc4 (11.Be2 Qb6 12.0-0 Rd8 13.Qa4 Nb4 14.Ne5 f6 15.Bc4; 11.Qb2 g6 12.Bc4 Na5 13.Bh8 Bf6 14.Qf6 Qf6 15.Bf6; 11.h4 Qb6 12.Bc4 Bf5 13.0-0 h6 14.Rfc1 Be4 15.Be2; 11.h3 Qd6 12.Bc4 Rb8 13.a4 Bf6 14.0-0 Bf5 15.Rac1; 11.Bb5 Bf5 12.0-0 Qb6 13.Bc4 Qb3 14.ab3 Rfd8 15.Ra4) 11...Bf6 12.0-0 Na5 13.Qa4 Nc4 14.Qc4 b6 15.Bf6) 11.Be2 (11.Bf6 Qf6 12.Rc1 b6= 13.d4 Rd8 14.Bd3 Bf5 15.Bf5; 11.Rc1 b6 12.d4 Bf5 13.dc5 bc5 14.Bb5 a6 15.Qa3; 11.Qb2 Bf5 12.Bf6 Qf6 13.Qf6 gf6 14.d4 Nd7 15.Bb5; 11.Bb5 Nc6 12.Bc6 bc6 13.0-0 Bg4 14.Rab1 Bf3 15.gf3) 11...Nc6 (11...b6 12.0-0= (12.Bb5 Bb7 13.0-0 Nc6 14.Rad1 Na5 15.Qb2) 12...Nc6 13.Rad1 Be6 14.Qa4 Nb4 15.Bb4) 12.0-0 (12.Qb2 Bc3 13.Qc3 Qe7= 14.0-0 Rd8 15.Rfc1) 12...b6 (12...Qe7 13.Rac1 Bc3 (13...b6 14.Bf6 Qf6 15.d4) 14.Qc3= b6 15.d4) 13.Rfd1 (13.Rad1 Be6 14.Qa4 Nb4 15.Bb4) 13...Qe7 (13...Bf5 14.d4 cd4 15.Bd4+= 0.33 (15.Nd4 Nd4 16.Bd4 Bd4 17.Rd4=); 13...Be6 14.Qb2 Rc8 15.Rac1) 14.d4 (14.Bf6 Qf6 15.Qc3 Qe7=) 14...cd4 15.Nd4 Nd4 (15...Bd4 16.Bd4 Be6 17.Qa4 Nd4 18.ed4=) 16.Bd4 Bb7 (16...Bd4 17.Rd4 Be6 18.Bc4=) 17.Qb2 (17.Qc2 Rfd8=) 17...Bd4 18.Rd4 Qf6 (18...Rad8 19.Rad1=) 19.Rad1 (19.a3 Rad8=) 19...Rad8 20.Qa3 (20.Qb4 Qg5 21.e4 Rd4 22.Qd4 Bc6=) 20...Rd4 (20...a6 21.Qb4= (21.Ba6? Rd4 22.Rd4 Ra8-+)) 21.Rd4 Qg6 (better 21...Ra8!?=) 22.Bf1+/- a5 (better 22...Qb1 23.Qa7 Bc6+/-) 23.Qb2?? (better 23.Qe7 Bg2 24.Bg2 Qb1 25.Bf1 Qg6 26.Kh1+-) 23...h6 (23...Rc8 24.Rd7 Bc6 25.Ra7+=) 24.h3 (24.Qd2 Qb1=) 24...Qf6 (24...Be4 25.Qa3 Qc6 26.Qd6=) 25.Qd2+= Qg6 (25...Re8 26.Rd7 Be4 27.Bc4+=) 26.Kh2 (26.Rd8 Rd8 27.Qd8 Kh7+/-) 26...Qg5 (26...Qc6 27.a4+=) 27.Qb2 (27.Rd6 Qc5+=) 27...Qf6= 28.Qd2 Qg5 29.Kg1 Qg6 30.Rd7 (30.Rd8 Qf6 31.Rd6 Qg5+/-) 30...Bc6 (30...Bc8 31.Rd6 Qg5 32.Rb6+/-) 31.Rd6+/- Qe4 32.Qd4 Qd4 33.ed4 (33.Rd4?! Re8=) 33...Rc8 34.Ba6 (34.d5 Bb7 35.Rd7 Ba8+/-) 34...Rc7 35.d5 Bb7 36.Rd8 (36.Rb6?! Bd5 37.Rb8 Kh7 38.Bd3 g6=) 36...Kh7 37.Bd3 g6 38.d6 Rc3 39.Bb5 Rc5 40.a4 (40.Rf8 Rb5 41.Rf7 Kg8 42.Rb7 Rd5 43.Rb6 Kf7+-) 40...Bc6 41.d7 (41.Rc8 Bb5 42.Rc5 Ba4+-) 41...Bb5 42.Rh8! (42.ab5?! Rd5=) 42...Kh8 43.d8Q Kg7? (43...Kh7 44.ab5 Rb5+-) 44.Qb6 (44.ab5?! Rb5 45.Kf1 Rb4+-) 44...Rc1 (44...Rd5 45.ab5 a4 46.Qa6+-) 45.Kh2 Rb1 (45...Ba4 46.Qb2 Kh7 47.Qc1+-) 46.ab5 a4 47.Qa5 (better 47.Qd4 Kg8 48.Qa4 h5+-) 47...a3 48.Qc3 Kg8 49.Qa3 Rb5 50.Qa4 (50.Qd6 Rb1+-) 50...Rf5 (50...Re5 51.Qd4 Re6 52.Kg3+-) 51.Qd4 h5 (51...Rb5 52.Kg3+-) 52.g4 hg4 53.hg4 (worse 53.Qg4 Rf2 54.Kg3 Rc2+-) 53...Rb5 (53...Rf3 54.g5+-) 54.Kg3 Kh7 (54...Rb8 55.g5+-) 55.Qd3 Rb4 (55...Ra5 56.Qd6+-) 56.Kh4 (better 56.g5+-) 56...f5 (56...Rf4 57.Qe3 Rf6+-) 57.Qd7 Kg8 58.Qe6 Kh8 59.Qf6 (59.Kg5 Rb1 60.Kg6 Rb6 61.Qb6 fg4 62.Qd8) 59...Kg8+- 60.Qg6 Kh8 61.Qe8 Kg7 62.Qe7 (62.Qe7 Kg6 63.Qg5 Kf7 64.Qf5 Kg7 65.Qd7 Kf8 66.Qd6 Kf7 67.Qb4 Ke6 68.Qe4 Kd6 69.f4 Kd7 70.f5 Kc7 71.f6 Kd7 72.f7 Kd6 73.f8Q Kc7 74.Qc5 Kb8 75.Qe8 Kb7 76.Qec8) 1-0. Chirpii,Alexandru (1965) - Butuc,M (2090), Cupa ULIM, Kishinev MDA, 2005.

10.Qb3 Be6 11.Qd5 Bd5 12.d3 Nc6 13.Bc3=+.

10.Qc2 Nc6 11.Bc3 Rd8 12.Be2 (12.Qb2 Bf8 (12...f6 13.Qb3 Be6 14.Qb7 c4 15.Rc1= 0.00) 13.Qb3 Qh5 14.Be2 Qg6 15.0-0=+ -0.37; 12.Qb3 Qh5 13.Rc1 b6 14.Bb5 Bb7 15.Be2=+ -0.31) 12...b6 (12...Bf5 13.Qb3 Bd3 14.Qd5 Rd5 15.Bd3= 0.00; 12...Rb8 13.d3 Bg4 14.Rc1 Be6 15.Qb2=+ -0.50) 13.0-0 Bb7 (13...Bf5 14.Qb2 f6 15.d4=) 14.Qb2 Rd6 (14...Bf8 15.Rfd1=) 15.Ne1 (better 15.Bg7!? Rad8 16.Rfd1+/-) 15...Bf6 16.Rd1 Rad8 The pressure on the backward pawn d2 grows 17.Bf6 Rf6 18.f4 (18.Nf3 Rfd6=+) 18...Rfd6 19.a3 Qe4 20.Rf2 Ne7 21.Bf3 Qa4 22.Rb1 Be4 23.Be4 Qe4 24.Nf3 h6 25.Rc1 Nc6 26.Qa2 (26.Rc3 R8d7=+) 26...R8d7 27.Qc4 (27.Rc3 Qa4=+) 27...Qc4 28.Rc4 Rd3 29.a4 Ra3 30.g4 (30.d4 Na5 31.Rc1 Nb7-/+) 30...Re7 31.f5 f6 32.h4 Ne5 (better 32...Na5!? 33.Rf4 c4-/+) 33.Ne5=+ Re5 34.g5 (34.Kf1!?=+) 34...hg5-/+ 35.hg5 fg5 36.Kg2 (36.e4 Ra1 37.Rf1 Ra2-+) 36...Kf7-+ 37.e4 Rd3 38.Re2 (38.Kf1 g6 39.fg6 Kg6-+) 38...g6 39.fg6 Kg6 40.Kf1 Rd4 41.Rd4 cd4 42.d3 (42.Re1 Ra5-+) 42...Ra5 43.e5 Kf7 (43...Ra4 44.e6 Ra1 45.Kg2+-) 44.Re4 Ra4 45.e6 (45.Rg4 Ke6 46.Rg5 Ra5-+) 45...Ke7 46.Ke2 Ra5 47.Kf3 (47.Rd4 Ke6 48.Rd8 Re5 49.Kf3 a5-+) 47...Rf5 48.Kg3 Rd5 49.Kf3 a5 50.Re1 b5 (50...b5 51.Ke4 Ke6-+) 0-1. Kretschmar,Heinz - Sutton,RJ, corr DDR-NZL, 1984.

10.Qc2 Nc6 11.Bc4 Qd8 12.0-0 (12.Rb1 Ne5 13.Ne5= -0.09) 12...Bg4 13.Bc3 Bf3 14.gf3 Bf6 15.Qf5 Bc3 16.dc3 b6 17.Rfd1 Qh4 18.f4 Rad8 19.Bb3 Qe7 20.a4 g6 21.Qg4 (21.Qg5 Kg7=) 21...Qf6=+ 22.Rac1 Rd1 23.Qd1 Rd8 24.Bd5 g5 25.c4 (25.Qf3 Ne7 26.c4 gf4=+) 25...Nb4 26.Qf3 Nd5 27.cd5 gf4 28.e4 Qe5 29.Rd1 f5 30.Qh5 Rd6 31.ef5 (worse 31.Qf5 Qf5 32.ef5 Kf7-+) 31...Rf6 32.Qf3 Rf5 (32...Rf5 33.Kh1 Rf6-/+) 0-1. Odachowski,Marian (1800) - Szczepankiewicz,Dariusz (2485), POL ch T14, 2001.

10.Qc2 Nd7 11.Bc4 Qc6 12.Bd3 h6 13.Bf4=.

10.Qc2 Be6 11.Bd3 f5 12.e4 Qd7 13.Qc3=.

10.Be2 Nc6 (10...Be6 11.Qb1=+) 11.Bc3 (11.Qb3 Qe6 12.Bc3 Qg6=) 11...Bf5 (11...Nb4 12.Bb4 cb4 13.Qb3=) 12.0-0 (12.Qb3 Qb3 13.ab3 Rfd8=) 12...a6 13.d4 (13.d3 Be6=) 13...c4= 14.Nd2 b5 15.Bf3 (15.Re1 Rfe8=) 15...Qd7 (15...Qd6 16.Bc6 Qc6 17.e4 Be4 18.Re1 Bg2 19.Qg4-/+) 16.d5= Nb4 17.d6 Bd6 18.Ba8 Ra8 19.e4 (19.a4 Rd8 20.ab5 ab5=+) 19...Bg4=+ 20.f3 Be6 21.e5 Bc5 22.Kh1 Nd3 23.Ne4 Bb6 (23...Bd4 24.Qc2-/+) 24.a3 (24.Rb1 Qd5-/+) 24...Rd8 (24...Bd5 25.Qe2-/+) 25.Qc2 (25.Qd2 Qe7-/+) 25...Bf5 26.Qe2 Qa7 (26...Be4 27.fe4 Qe6 28.Rf5-/+) 27.h3 (27.Nd6 Nf2 28.Rf2 Bd3-/+) 27...Nf4 (27...Bd4 28.Bd4 Qd4 29.Nd6-/+) 28.Qc2 Rd3 (28...Qe7 29.Ra2-/+) 29.Nd6 (29.a4 Nd5 30.Bd2 Be3 31.ab5 Rd2 32.Qc4 Rd4+/-) 29...Qd7 (29...Bg6 30.Nc8 Qb7 31.Nb6 Rf3 32.Rf3 Bc2 33.Nc4 Ng2 34.Kg2 bc4 35.Kf2-+) 30.Nf5 Qf5 31.a4 (better 31.Rac1-/+) 31...h6 (better 31...Nh5!? 32.Be1 Qe5-+) 32.ab5=+ ab5 33.Rab1? (33.Ra8 Kh7 34.Ba5 Bd4-/+) 33...Qd7 (better 33...Nh5!? 34.Be1 Qe5-+) 34.Kh2 (34.Ra1 Nh3 35.Ra8 Kh7-/+) 34...Nd5-/+ 35.Rfd1?? (better 35.Bd2-/+) 35...Nc3-+ (35...Rc3?! 36.Rd5 Qd5 37.Qc3=+) 36.Rd3 Qd3 (36...Qd3 37.Rc1 b4-+; 36...cd3?! 37.Qc3 Bd4 38.Qd2=) 0-1. Szczecinski,J - Jankowski,J, corr Poland, 1978.

9.Nd5 Ne5 10.Ne7 Qe7 11.Ne5 Qe5 12.Be2 (12.d4 Qd5=) 12...c5 13.f4 (13.d4 Qg5 14.Bf3 Rd8=) 13...Qe4 (13...Qf6 14.0-0=+) 14.0-0 (14.Bf3 Qe7=) 14...Rd8 (14...Bf5 15.g4 Be6 16.Bf3=) 15.Rc1 (15.Bf3 Qd3=) 15...Qd5 16.d3 (16.Bc4 Qf5=) 16...Bf5 (16...Rb8 17.Qb3 Qd6 18.Qb2=+) 17.e4 Qd4 18.Kh1 Be6 (18...Bd7 19.Rc4 Qd6 20.Rc1=+) 19.f5 Bd7 (19...Bc8 20.f6=) 20.Rc4 (20.f6 Be6=) 20...Qe5 21.a4 (21.d4 Qe4 22.Bf3 A) worse 22...Qf5 23.Bb7 (23.Rc5?! Qg6+=) 23...Qe6 24.Rc5+/-; B) 22...Qh4 23.Rc5 Rac8=) 21...b6 (21...Rac8 22.Qa1 Re8 23.Qe5 Re5 24.Rb1=+) 22.d4+= cd4 23.Rd4 Qe8 24.Bc4 (better 24.f6!?+=) 24...Ba4=+ 25.Qa4 Qa4 (worse 25...Rd4 26.Bf7 Qf7 27.Qd4+=) 26.Bf7 Kf7 27.Ra4 a6 (27...a5 28.e5=+) 28.Rfa1 (28.e5 Rd2=) 28...a5 (28...b5 29.Rb4=+) 29.Kg1 (29.g4 Rd2=+) 29...Rd2=+ 30.Rc4 (30.Rb1 Rc8 31.h3 Rcc2 32.Rb6 Rg2 33.Kf1 Rgf2 34.Kg1 Rfd2=+) 30...Re8 31.Kf1 Re5 (31...Rb2=+) 32.Ra3 (32.h3!?=+) 32...Rb5-/+ 33.Rc7 Kf6 34.Rc6 Kg5 35.Rc1 Kf4 36.Re1 Rb4 (36...Rbb2 37.Rg3-/+) 37.Rh3 (37.Rg3 Re4 38.Re4 Ke4 39.Rg7 Kf5 40.Rh7 a4 41.Rh5 Kg4-/+) 37...h6 (37...Rbb2 38.Rg3-/+) 38.Rh4 (38.e5 Kf5 39.e6 Rd8-/+) 38...Kg5 (38...Ke5 39.Rg4 Rd7 40.Rg6-/+) 39.Rh3=+ Kf6 (39...b5 40.Rg3 Kf6 41.Rg6 Kf7 42.Kg1=+) 40.Rg3 a4 (40...Rbb2 41.Rg6 Kf7 42.Kg1=+) 41.e5 Kf5 42.e6 Rf4 (42...Rd8 43.Rg7 Re8 44.Rf7 Kg6 45.Rf3-/+) 43.Kg1= Rd8 44.e7? (better 44.Rg7 Re4 45.Re4 Ke4 46.Rb7=) 44...Re8-/+ 45.Rg7 (better 45.Rge3!? Kg6 46.Rb1-/+) 45...Kf6-+ 46.Rh7 (46.Rg3 Re7 47.Re7 Ke7-+) 46...Kg6 47.Rh8 Rh8 48.e8Q Re8 49.Re8 b5 50.Ra8 Kf5 51.Ra5 Rb4 52.Ra6 (52.Kf2 Ke4-+) 52...h5 (52...Rb2 53.h3-+) 53.Kf2 Ke4 54.Ke1 (54.Ra8 h4-+) 54...Rb2 55.Kf1 Ke3 56.Re6 Kd3 57.Ra6 Kc4 58.h3 (58.g4 hg4 59.Kg1 Kb3-+) 58...Kb3 59.g4 hg4 60.hg4 a3 61.g5 a2 62.Ra4 (62.Ra8 Rb1 63.Kf2-+) 62...ba4 63.Ke1 (63.g6 a1Q) 63…a1Q 0-1. GNUChess – GNUChess, 2003.

9.Bg3 Nc3 10.dc3 Bf6 11.Qc1 h5 12.h3 h4 13.Bh2 Qd5 14.Be2 (14.Bc7 Be6 15.Qd2 Rac8=+) 14...Qa5 Attacks the isolani on c3 15.0-0 Bf5 16.Nd4 Nd4 17.cd4 c5 18.Bd6 cd4 19.Bf8 Kf8 20.Qe1 Qe1 21.Rae1 d3 22.Bg4 d2 (22...Bg4 23.hg4 Rd8 24.Rc1=+) 23.Rd1 Bd3 (23...Bg4 24.hg4 Rd8 25.f4=) 24.Rd2= Bf1 25.Kf1 Re8 26.Rd7 Re7 27.Re7 Ke7 28.Ke2 ½-½. underjon (2535) – pierred, net-chess.com, 2016.

9.Bb3 c5 10.Na3 (10.d4 Nc6=+) 10...Nc6 11.Bc3 (11.0-0 Bf5 12.Bc2 Be6=+) 11...Bf5 12.Nc4 Bd3 (12...Nd5 13.a4-/+) 13.Nce5 (13.Nfe5 Ne5 14.Ne5 Rc8=) 13...c4 14.Nc6 (14.Nd3 Qd3 15.Bc2 Qd7=) 14...bc6=+ 15.Bc2 Nd5 (15...Rb8 16.Ne5 Qd6 17.Ba4=+) 16.Bd3 Nc3 (better 16...cd3 17.0-0 Qd6=+) 17.Bh7!+/- Kh7 Decoy to h7 18.dc3 Bf6 19.Nd4 Qd5 (19...Kg8 20.0-0 c5 21.Ne2+/-) 20.Qc2 g6 (20...Kg8 21.0-0+/-) 21.0-0 c5 22.Ne2 (22.Nb5!?+/-) 22...Qd3 23.Rac1 Rfd8 24.g3 (24.Rfe1 Qc2 25.Rc2 Rd3+=) 24...Qd2 (24...Rab8 25.Rfe1+=) 25.h4 (25.Nf4 Qc2 26.Rc2 g5+/-) 25...Kg8 (25...Rab8!? 26.Nf4 Qc2 27.Rc2 a6+/-) 26.Nf4 (26.Rfd1 Qc2 27.Rd8 Rd8 28.Rc2 Rd3+/-) ½-½. Orlik,Adam - Jankowski,Jerzy, corr Poland, 1988.

9.Bb3 Nc6 10.Bb2 Qd3 11.Qe2 (11.Bc2 Qb5 12.Ba3 Be6=+) 11...Qg6 (11...Qe2 12.Ke2 Bg4 13.Ba3=+) 12.e4 (12.0-0 Bh3 13.Ne1 Bg4=+) 12...Bg4 (12...Rd8 13.0-0-/+) 13.h3 (13.d4 Bb4 14.Nbd2 Rfe8-/+) 13...Bf6 14.hg4 (14.Nc3 Nd4 15.Ne5 Be2 (15...Ne2 16.Ng6 Rfe8 17.hg4 Nc3 18.dc3 Re4 19.Kf1 hg6 20.Re1-/+) 16.Ng6 hg6 17.Ne2 Nb3 18.Bf6 Na1 19.Ba1 Rfe8-/+) 14…Bb2-/+ (14...Bb2 15.Rh7 Kh7-+) 0-1. Sawamura,Tetsushi - Boucqueau,Dimitri (1765), CP.2001.P.00035, 2001.

9.Bb3 Nc6 10.d4 Ne5 11.Ne5 c5 12.0-0 Bd6 (better 12...Nd7=) 13.Nf7+- Rf7 14.dc5 Bh2 15.Kh2 Qh4 16.Kg1 Bg4 (16...Nd7 17.Qd6 Rb8+-) 17.Qd4 Rd8 18.Bf7 (18.cb6?! Rd4 19.ed4 ab6+/-) 18...Kf7 19.Qf4 (19.cb6 Rd4 20.ed4 Qg5=) 19...Kg8 (19...Qf6 20.Qf6 gf6 21.cb6 ab6 22.Rc1+-) 20.cb6 ab6 (20...Qf6 21.Qf6 gf6 22.ba7+-) 21.f3 1-0. Zembla – Glomp, playchess.de, 2005.

9.Be2 c5 10.0-0 Bf6 11.Qc2 Nc6 12.Bf6 Qf6 13.Na3 Nd7 14.Nb5 (14.Rac1 b6=) 14...Nb4 (14...Rb8 15.d4 a6 16.Nc3 cd4 17.Ne4=) 15.Qc4 (15.Qe4 a6 16.Nc3 Rd8=) 15...a6 16.Nc3 b5 17.Qb3 Nb6 (17...Nc6 18.d3=) 18.Ne4 (18.d4!? Be6 19.Qb1 cd4 20.Ne4=) 18...Qe7=+ Black gets in control 19.d3 Be6 (19...Bb7 20.Ng3=+) 20.Qb2 (20.Qb1 f5 21.Neg5 Bd5=+) 20...Na4 21.Qd2 Rfd8 22.Rfc1 Bc4 (better 22...Rac8 23.Rcb1 Nd3 24.Bd3 c4-/+) 23.a3?? (better 23.Nc5 Nc5 24.Qb4=) 23...Nd3-+ 24.Rc4 bc4 25.Qc2 Qe4 26.Qa4 Nb2 27.Qa5 Qc2 28.Re1 (28.Kf1 Nd3-+) 28...Nd3 29.Bd3 (29.Rd1-+) 29...cd3 (29...Qd3?! 30.h3-+; 29...Rd3?! 30.Qc5 Qa4 31.Qc7-+) 30.Qd2 c4 (30...c4 31.Rc1 Qd2 32.Nd2 Rab8-+) 0-1. Sviridov,V - Hruschka,F, corr ICCF EU/M/GT/159 (year?).

9.0-0 Nb6 10.Be2 Nc6 11.Bb2 Be6 12.d4 Rc8 13.Nbd2 Qd7 (13...Re8 14.Rc1 cd4 15.Nd4 Ba2 16.Bg4=) 14.Bb5 (14.dc5 Bc5 15.Ne4 Qe7=) 14...Bg4 (14...Rfd8!?=) 15.Ne5+= Bd1 16.Nd7 Nd7 17.Rfd1 a6 18.Bc6 (18.Bd3 Rfd8+=) 18...Rc6 (18...bc6 19.Nb3 cd4 20.Nd4=) 19.d5+= Rg6 (19...Rh6 20.e4+=) 20.Ne4 (20.e4 b5+=) 20...f5= 21.d6 Bd8 (21...Bh4 22.Nc3=) 22.Ng3 f4 23.ef4 Rf4 24.Nf1 (24.Rd5 Kf7=) 24...Bf6 25.Bf6 Rgf6 (25...Rff6 26.Rd5=+) 26.Ng3 g6 (26...Re6 27.f3=) 27.f3 b5 28.Ne4 Rf8 (28...Re6 29.Rac1 c4 30.Rc3=) ½-½. Dobielecki,Jacek - Zabkiewicz,Edward, corr Poland, 1987.

9.Qb3 Nb6 10.Be2 Nc6 11.Bb2 (11.Bc3 Be6 12.Qb2 Nb4=+) 11...Be6-/+ 12.Qd1 Nc4 (12...Nc4 13.Bc3 Re8=+) 0-1. proloy (2250) – pierred, net-chess.com, 2016.

9.Qc2 Nc6=+.

9.0-0 Bf6 10.Na3 (10.Nc3 Be5 11.Ne5 Re8=) 10...Nc6 (10...Be5 11.Ne5 Re8 12.f4=) 11.Bf6= Qf6 12.Qc1 (12.Rc1 Qe7=) 12...b6=+ 13.Rd1 Rd8 14.d4 Bg4 15.Qd2 (15.Rd2 Rac8 16.Qb2 cd4 17.Nd4 Be2 18.Ne2 Qb2 19.Rb2 a6=+) 15...Rac8 (15...cd4 16.Nd4 Be2 17.Ne2 Nf4=+) 16.Nc2 (better 16.Rac1!?=+) 16...cd4-+ 17.Ncd4 Nc3! 18.Qc3 Decoy theme: c3 18...Nd4 Discovered attack 19.Qd4 Rd4 20.Rd4 Be6 21.a4 Rc2 (21...Rd8 22.Rc1-/+) 22.Rad1=+ Threatening mate: Rd8 22...g5 (22...g6 23.Nd2=+) 23.Rd8 (23.Bd3 Rc6=+) 23...Kg7-/+ 24.Nd4 Ra2 (worse 24...Qd8 25.Ne6 fe6 26.Rd8 Re2 27.Kf1+=) 25.Rd6 Ra4 (better 25...Qe5!? 26.Rd8 Ra4-/+) 26.Ne6=+ fe6 27.Rd7 Kf8 (27...Kh6 28.Bd3 Qh8 29.Rh7 Qh7 30.Bh7 Kh7 31.h3=+) 28.Rd8 Kg7 29.R8d7 Kh6 30.Bd3 Do you see the mate threat? 30...Qh8 31.Re7 (better 31.f3=) 31...e5?? (better 31...g4=) 32.Bc2+- (32.Rh7?! Qh7 33.Bh7 Kh7=) 32...Rc4 (32...b5 33.f3 g4 34.Rd6 Kh5 35.Rf7+-) 33.Rd6 Kh5 34.h3 Threatening mate... how? (34.Rh7?? Qh7!? 35.Bd1 Kh4-+) 34...g4 35.Rf7 The mate threat is Rf5 35...gh3 (35...Qg8 36.Rf5 Qg5 37.hg4 Kg4 38.f3 Kh4 39.Rg5 Kg5 40.Bh7 b5+-) 36.Rf5 Kg4 37.f3 (37.gh3 Kh3 38.Rh5 Kg4 39.Bd1) 37...Kg3+/- 38.Rh6 Threatening mate: Rxh3 38...hg2 39.Rg5 Rg4 40.Rg4 Kf3 41.Bd1 Ke3 42.Rh3 Kd2 Black threatens.... what? 43.Rg2 Kc1 44.Rc3 Kb1 45.Bf3 e4 (45...Qa8 46.Re3 Qc8 47.Re1 Qc1 48.Be4 Ka1 49.Rc1) 46.Be4 Ka1 47.Ra3 (47.Rc1) 1-0. Zile,Robert - Magon,H, corr, 1976.

9.Na3 Nc6 10.Bg3 a6 11.Nc4 b5 12.Nce5 Ne5 13.Ne5 Bf6 14.Rc1 Re8 15.f4 c4 16.Bf3 Bb7 17.0-0 Qc7 18.Qe2 Be7 (18...Qa5 19.Be4 Re7 20.Qf2=+) 19.Nf7 (19.d3!? cd3 20.Qd3= (worse 20.Nd3 Qb6=+)) 19...Ba3-/+ (19...Kf7?! 20.Bd5 Bd5 21.Qh5 Kf8 22.Qd5=) 20.Ne5 Bc1 21.Rc1 Nf6 (21...Rac8!?-/+) 22.d3=+ Bf3 23.Qf3 c3 (23...Rac8 24.dc4 bc4 25.Rc4=+ (25.Nc4?? Re4-+)) 24.Bh4 (better 24.Qd1+=) 24...Rac8-/+ 25.d4 Qd6 26.Bf2 (26.Bf6 Qf6 27.Qd5 Qe6 28.Qe6 Re6=+) 26...Qa3 27.Rc2 Qa4 28.Qe2 Nd5 29.Nd3 Qc4 (29...Nb4 30.Nb4 Qb4 31.g3-+) 30.g3 (30.e4 Nb4 31.Nb4 Qb4-/+) 30...a5 (30...Nf6 31.Qf1 Ne4 32.Ne5-+) 31.Nc5 Qe2 32.Re2 Rc5! 33.dc5 Nb4 (33...Nb4 34.Kg2 c2 35.Rc2 Nc2-+) 0-1. Kuehn – Resch, corr (year?).

9.Nc3 Nc6 10.Nd5 Qd5 11.Bb2 (11.Qb3 Qe4 12.Qb1 Qg4=) 11...b6 12.0-0 Bb7 13.a3 Rfd8 14.Qc2 Rd6 15.d3 Rg6 16.Ne1?? (better 16.Rfd1=) 16...Nd4!-+ 17.e4 (17.ed4 Rg2 Demolishes the pawn shield) 17...Nc2 (17...Ne2?! 18.Qe2 Qe6 19.Nc2=+) 18.ed5 Na1 19.Ba1 Bd5 (19...Bd5 20.Bf3 Rd8-+) 0-1. Dupont,Gerard - Poenisch,Egmont, corr DDR, 1988.

10.Bb2 Be6 11.a3 Bf6 (11...Re8 12.Nc3=+) 12.Qc2 Rc8 (12...Bb2 13.Qb2 b6 14.Rc1=) 13.Rc1 (13.Bf6 Qf6 14.Nc3 b6=) 13...a6 (13...Bf5 14.d3=+) 14.Nc3= Nd4 Black begins to deal mighty blows 15.ed4 cd4 16.Nd4 (16.Nd5!? Rc2 17.Nf6 gf6 18.Rc2=+) 16...Bd4-/+ 17.Qe4 (17.Bf3 b5-/+) 17...Bf2! 18.Kh1 (18.Kf2 Decoy to f2 18...Qb6 A double attack) 18...Qh4 (18...Re8 19.Nd5 Bd5 20.Qg4-/+) 19.Qe5? (better 19.Qh4 Bh4 20.Bf3-/+) 19…Bd4-+ The mate threat is Bxe5 (19...Bd4 20.Qg3 Qg3 21.hg3 b5-+) 0-1. Wuttke,Rainer - Hanhen,M, corr, 1982.

10.Bb2 Bf5 11.d4 Bf6 12.Nc3 Nc3 13.Bc3 Rc8 14.Re1 Be4 15.Qa4 cd4 16.Nd4 Nd4 (16...Bc2 17.Qc2 (17.Nc2?! Bc3 18.Red1 Qe7=) 17...Nd4 18.ed4+/-) 17.Bd4 Bd4 18.Qd4 Qd4 19.ed4 Bd5 20.a4 Rfd8 21.a5 Kf8 22.h3 h6 23.a6 b6 24.Rac1 Rc1 25.Rc1 Ke7 26.Rc7 Rd7 27.Rc8 Be6 28.Rb8 f6 29.f4 Bf5 30.g4 Be4 31.Rg8 Kd6 32.Kf2 (32.f5 Bc6=) 32...Bc6 (32...Kc7 33.f5=) 33.f5+= Re7 34.Bc4 Bd7 35.Ra8 Bc6 ½-½. Wantoch_Rekowski,Jacek (2245) - Buhmann,Thomas (2215), WS/M/147 ICCF, 2008.

10.Bb2 Bf6 (--> 7.Be2 c5 8.cd5 Nd5 9.0-0 Nc6 10.Bb2 Bf6).

10.Bb2 Nf6 11.Nc3 Bf5 12.Qb3 Nb4 13.Rfe1 (13.d4 Bc2 14.Qc4 Rc8=) 13...Nd3 (better 13...Nc2-/+) 14.Bd3= Bd3 (worse 14...Qd3 15.e4 (15.Qb7?! Bd6 16.Qb5 Rab8 17.Qd3 Bd3=) 15...c4 16.Qb7+/-) 15.Rac1 (15.Ne5 Rb8=) 15...Qa5 (15...c4 16.Qa4-/+ (16.Qb7? Rb8 17.Qa7 Rb2-+)) 16.Qa4 Bd8 (16...Qb6 17.Ne5 Rfd8 18.Nd3 Rd3 19.Rc2=+) 17.a3 a6 (17...c4 18.Qa5 Ba5 19.Ne5=) 18.Qd1 (better 18.Qa5!? Ba5 19.Na4+=) 18...c4=+ 19.Ne5?? (better 19.Na2 Be7 20.Ne5 Ba3 21.Nd3 cd3 22.Bf6 gf6 23.Rb1=) 19…Qe5-+ 0-1. Lindner,Jan_Joost (2165) - Trapl,Jindrich (2350), 11th European Senior Team, Velden AUT, 2009.

10.Bb2 Bg4 11.a3 Re8 12.Qc2 Qd7 13.d3 Bf8 14.Rd1 Rad8 (14...Bd6 15.Nc3 Nc3 16.Qc3 f6 17.d4 cd4= -0.13; 14...Rac8 15.Nbd2 (15.h3 Bf5 16.Ng5 b5 17.Bh5 g6= -0.06) 15...Nf4 16.Bf1 Ne6 17.Qc4 Nc7= -0.03; 14...Qe6 15.Nc3 Rad8 16.Nd5 Rd5 17.h3 Bh3-/+ -0.78) 15.Nc3 (15.h3 Bh5 16.Nc3 Nc3 17.Bc3 Bd6= -0.03) 15...Nc3 16.Bc3 Qe6 (16...Bd6 17.Qb2 f5= 0.03) 17.Qa4 (17.h3 Bh5=) 17...Bh5 (17...Bd6= -0.13) 18.Rab1 Rd7 19.d4 cd4 20.Nd4? (better 20.Bd4 Red8 21.Rb2= (worse 21.Ba7 Ra8-/+)) 20...Rd4!-+ 21.ed4 (21.Qd4 Nd4) 21...Qe2 22.d5 b5 (22...Re4 23.Qb3 Bc5 24.Kh1-+) 23.Qh4 Re4 24.Qg3 Qc4 25.Rd3? (better 25.dc6!? Bd1 26.Rd1 Qc6 27.h3-/+) 25...Nd4 (25...Ne7 26.Rd2 Nd5 27.Bb2-+) 26.Bd4 Rd4 27.Rd4 Qd4 28.Qb8 (28.Qb3 Be2-+) 28...Bg6 29.Rf1 (29.Re1 Qd2 30.Qe5 f6-+) 29...Qd5 30.Qa7 (30.Re1 a6-+) 30...Be4 31.Qb8 (31.Qe3 Bg2 32.Rb1 Qh5-+) 31...Bg2 32.Rb1 Bh3 (32...Bh3 33.Qg3 Bd7-+) 0-1. Alekseev,Vadim (2440) - Yegiazarian,Arsen (2510), RUS-Cup Minsk, 2000.

9.Bb2 Bf6 10.d4= Bf5 (10...Re8 11.0-0=) 11.Nc3 Re8 (11...Be7 12.0-0=) 12.0-0 (12.Nd5 Qd5 13.Qb3 Qd7=) 12...Qd7 13.Rc1 Rad8 (13...a6 14.Nd5 Qd5 15.Bc4=) 14.Nd5 Qd5 15.Bc4 Qd7 16.Bc3 Be4 17.Nd2 Bg6 (17...Bd5 18.Bd5 Qd5 19.e4=) 18.Qb3+= Rb8 19.a4 (19.Bb5 a6 20.Bc6 bc6+=) 19...h5 (19...a6!?=) 20.Rfd1+= h4 (20...a6 21.Bd5+=) 21.h3 (21.d5 Ne5+=) 21...Bh7 (21...Bh5!? 22.Re1 a6+=) 22.Nf3 Re7 23.d5 (23.Nh2 Be4+/-) 23...Ne5 24.Ne5 Be5 25.Be5 (25.Ba6 Bc3 26.Rc3 Be4 27.Bb7 Qd6+/-) 25...Re5+= 26.Rd4 Qe7 (26...Be4 27.Qc3 c5 28.dc6 Qc6 29.f3+/-) 27.Bd3+/- Bd3 28.Qd3 (28.Rd3 Qd6+/-) 28...Rd8 29.Qc4 (29.Rcc4 Qd6+/-) 29...Rd7+= 30.Rb1 (30.Qb3 b6+=) 30...b6 31.Rbd1 Qd6 (31...a5 32.e4+=) 32.e4 (32.Qa6 Rg5+/-) 32...Rg5 (32...f5+=) 33.Qc1 (33.Qc2!?+=) 33...Qg6=+ 34.d6?? (better 34.Qf4=+) 34...Rg2-+ 35.Kf1 c5 36.R4d3 Rg1 (worse 36...Qe4 37.Qe3 Qe3 38.Re3-+) 37.Ke2 Rd1 (37...Qe4?! 38.Qe3 Qe3 39.Ke3-+) 38.Qd1 (38.Rd1 Qe4 39.Qe3 Qa4 40.Qe8 Kh7-+) 38...Qe6 (38...Qe4!? 39.Kf1-+) 39.f3 0-1. Melich,Jindrich (2160) - Krischke,Arnold (2110), CZE-chTV, 1999.

9.Bb2 Bf6 10.Bf6 Qf6 11.d4 Bg4 12.0-0 a6 13.Qb3 b5 14.Qd5 Ne7 15.Qb3 Rfd8 16.Nbd2 Nf5 17.Ne4 Qe7 18.Nc5 Kf8 19.h3 Bf3 20.Bf3 Ra7 21.Rfc1 Nd6 22.a4 Rda8 23.Ba8 Ra8 24.ab5 Nb5 25.Qb5 1-0. retiponziani (1820) - Witty Witt (1865), ChessWorld.net, 2012.

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0-0 5.e3 Be7 6.Nf3 d5 7.cd5 Nd5 8.e4 Nf6 9.Nc3 Nc6 10.Bf4 Bb4 11.Qb1 Re8 12.Bd3 Bg4 (12...Bd6 13.Bg5-/+) 13.0-0 (13.Be3 Bf3 14.gf3 Qd6=+) 13...Bf3-/+ 14.gf3 Nd4 (14...Nh5 15.Be3 Qh4 16.e5 Re5 17.Bh7 Kh8 18.Bf5-/+) 15.Kg2 Ne6 (15...c5 16.a3 Ba5 17.Re1=+) 16.Be3 Bc5 (16...Bd6 17.Qb7 Nh5 18.Bb5=+) 17.e5= Nd5 (17...Nh5 18.Bh7 Kh8 19.Be4=) 18.Bh7 Kf8 19.Qb7 (19.Nd5 Qd5 20.Qe4 Rad8=) 19...Ne3 (19...Nc3 20.dc3 Be3 21.fe3 Qd2 22.Rf2 Qc3 23.Rd1 Qe3 24.Be4-/+) 20.de3 Qg5 21.Kh1 Qe5 22.Qb2 (better 22.Na4 Bd6 23.f4 Nf4 24.Rfd1-/+) 22...Qh5?? (better 22...g6-+) 23.Be4= Rab8 24.Qd2 (24.Qc2 Ng5 25.Rg1 A) worse 25...Ne4 A1) worse 26.Ne4 Qf3 27.Rg2 Be3-/+ (27...Qe4?! 28.Qc5 Re7 29.Qa7=; 27...Re4?! 28.Qc5 Kg8 29.Qc7=); A2) 26.fe4 Ba3 27.Rab1+=; B) 25...Nf3=+) 24...Red8 (24...Ng5!? 25.Qd5 Be3-/+) 25.Qc2= Ng5 26.f4 Nf3 27.Bf3 Qf3 28.Kg1 Rb4 (28...Qg4 29.Kh1 Kg8=) 29.Ne4 (29.Ne2 Bd6+=) 29...Bd6 (better 29...Be3!? 30.Qc7 Qg4 31.Ng3 Bb6=+) 30.Ng5 (30.Ng3 Ke8+=) 30...Qg4 31.Kh1 f6? (better 31...Rf4 32.ef4 Qf4+=) 32.Rg1+- Qd7 33.Nh7 Ke8 34.Qg6 Qf7 35.Qg7 Qg7 (35...Be7 36.Qh8 Kd7 37.Rad1 Kc8 38.Rd8 Bd8 39.Rd1+-) 36.Rg7 Be7 37.Rc1 c5 38.Rc2 (38.a3 Rb3 39.Rg8 Kf7 40.Rd8 Bd8 41.Rc5 Rd3+/-) 38...Rd1+/- 39.Kg2 Rbb1 40.Rg3 (40.Kf3 Rg1 41.Nf6 Bf6 42.Ra7 Be7+/-) 40...Rg1 41.Kf3 Rg3 42.fg3 Kf7 43.e4 (43.g4 Kg6 44.Nf6 Kf6+/-) 43...Kg6 44.Nf6 (44.Rd2 Rb7 45.Nf6 Bf6+/-) 44...Kf6 45.h4 Rf1 (45...Ke6 46.h5+/-) 46.Kg4 a6 (46...Rd1 47.e5 Ke6 48.h5+/-) 47.h5 a5 (47...Rb1 48.e5 Ke6 49.Re2+-) 48.Rh2 Rd1 (48...Kg7 49.h6 Kg8 50.Kf5+-) 49.h6 (49.e5 Ke6+-) 49...Rd8 50.e5 (50.Kh5 c4 51.g4 c3 52.g5 Kf7 53.g6 Kg8+-) 50...Kf7 (50...Kg6 51.h7 Kg7 52.f5 Rd4 53.Kf3+-) 51.Kf5 c4 52.e6 (52.g4 c3+-) 52...Kf8 (52...Kg8 53.g4+-) 53.Kg6 (53.Rc2!? Rc8+-) 53...Kg8+/- 54.h7 (54.Rc2 Rf8 55.Rc4 Rf6 56.Kh5 Kh7+-) 54...Kh8 55.Kf7 (55.g4 Rf8 56.g5 Rf4+=) 55...Bb4+= 56.Rc2 (56.g4 Rf8 57.Kg6 Rf4 58.g5-/+) 56...Rd3?? (better 56...Rf8 57.Kg6 c3=) 57.Rc4+- Rg3 58.Rb4! ab4 (58...Rg7 59.Kf6 Kh7+-) 59.e7 Rg7 60.Kf6 Re7 61.Ke7 Kg7 62.f5 Kh7 63.f6 Kg6 64.f7 Kf5 65.f8Q Ke5 66.Qb8 Kd5 67.Qb5 Ke4 68.Qb4 Ke5 69.a4 Kd5 (69...Kf5 70.a5 Kg5 71.Ke6 Kh5 72.Kf6 Kh6 73.Qh4) 70.Qb5 (70.Qf4 Kc5 71.Qd6 Kc4 72.a5 Kc3 73.a6 Kc2 74.a7 Kb3 75.Qd3 Kb4 76.a8Q Kc5 77.Qa5 Kc6 78.Qdd5) 70...Kd4 71.a5 Ke3 (71...Kc3 72.Qe5 Kb4 73.a6 Kc4 74.a7 Kd3 75.a8Q Kc2 76.Qa2 Kd3 77.Qae2) 72.a6 Ke4 (72...Kf2 73.a7 Ke3 74.Qe5 Kd2 75.a8Q Kd3 76.Qad5 Kc2 77.Qe2 Kc3 78.Qed2) 73.Qc4 (73.Qe2 Kf4 74.Qd2 Kf5 75.a7 Kg4 76.Qg2 Kf4 77.a8Q Ke5 78.Qae4) 73...Ke3 (73...Kf3 74.a7 Ke3 75.a8Q Kf2 76.Qf8 Kg3 77.Qff4 Kh3 78.Qcf1) 74.a7 Kf2 75.a8Q Kg3 76.Qa3 Kg2 (76...Kf2 77.Qc2 Ke1 78.Qac1) 77.Qc2 Kf1 78.Qac1 1-0. GNUChess - GNUChess, 2003.

9.Nc3 Nc6 10.Bf4 Bb4 11.Qc2 Re8-/+ 12.Bd3 Bg4 13.Rb1 Bc5 (better 13...Bd6 14.Bd6 Qd6-/+) 14.h3? (better 14.Bb5 Nb4 15.Rb4 Bb4 16.Be8 Qe8 17.Ne5=+) 14...Bf3-+ 15.gf3 Nb4 (15...Nd4 16.Qd1 Ne6 17.Be3 Qd3 18.Rb7-+) 16.Rb4 Bb4 17.Rg1 (17.Bc4 Nh5 18.Be3 Qf6-+) 17...g6 (17...Bc5 18.Nb5 Nd5 19.Bh6-+) 18.Bc4 a5 (18...c5 19.Nb5 Nh5 20.Bg5-/+) 19.Qb3 (19.Bg5 Qd6-/+) 19...Qd7 20.Bg5 Nh5 21.Nd5 b5 22.Be2 Rab8 (22...Ra6 23.Qd3 Rd6 24.Qb5-+) 23.Nb4 ab4 24.Qb4 Qh3 25.d4 Qh2 26.Rf1 (26.Rg4 Ra8 27.a3 c6-/+) 26...Nf4-+ 27.Bf4 (27.Qd2 Ne2 28.Ke2 Qh5-+) 27...Qf4 28.Qc3 (28.Qd2 Qd6-+) 28...b4 (28...f5 29.Bd3-+) 29.Qb2 (29.Qe3 Qf6 30.Rh1 c5-+) 29...f5 (29...Qf6 30.e5 Qf5 31.f4-+) 30.Bc4 (30.Qb3 Kg7 31.Qe3 Qe3 32.fe3 fe4-+) 30...Kf8 31.e5 (31.Qd2 Qf3 32.Qh6 Ke7 33.Qh7 Kd8 34.Qh4 Kd7-+) 31...Red8 (31...Rbd8 32.Bb5 Re7 33.Bc4 Rd4 34.e6 Qe5 35.Qe2-+) 32.Be2 (32.Rh1 h5-+ (32...Qd4?! 33.Qd4 Rd4 34.Rh7-+)) 32...Rd4 (worse 32...Qd4 33.Qd4 Rd4 34.Rh1-+) 33.e6 (33.Rh1 Qe5 34.Qc2 Rbd8 35.Rh7 Rc4-+) 33...Re8 34.Rh1 Re6 35.Kf1 Qd2 (35...Rc6!? 36.Rh3 Rc1 37.Kg2 Qg5 38.Rg3-+) 36.Qd2 Rd2 37.Bb5 Re7 (37...Re5 38.Bc4 Rc5 39.Bb3 Rc1 40.Kg2 Rh1 41.Kh1 Rf2 42.Bd5-+) 38.Bc4 (38.Rh4 c5 39.Bc4 Rd1 40.Kg2 Ree1-+) 38...c5 (38...Rd4 39.Bb5-+) 39.Kg2 Kg7 40.Rc1 (40.Rh4 g5 41.Rh1 Kg6-+) 40...Kf6 (40...f4 41.Bb3 Re5 42.Rc4-+) 41.Bb3 (41.Kg3 g5-+) 41...Rc7 (41...Ree2 42.Rf1-+) 42.f4 (42.Rc4 g5-+) 42...h6 (42...Rd4 43.Rc4-+) 43.Kf3 (43.Bc4 h5-+) 43...Rd3 44.Ke2 (44.Kg2 Rd4-+) 44...Rd4 45.Ke3 Re7 (45...Re4 46.Kf3-+) 46.Kf3 Rd3 47.Kg2 Rc7 (47...Rc3 48.Rb1-+) 48.Bg8 (48.Rc4 h5-+) 48...Rc8 (48...Rd4 49.Bc4-+) 49.Bb3 Rc3 50.Rc3 (50.Rb1 c4 51.Ba4 Rb8-+) 50...bc3 51.Kf3 Ra8 (better 51...Rb8!? 52.Bd1-+) 52.Ke3 c4! 53.Bc4 c2 54.Kd2 Rc8 55.Kc2 Rc4 56.Kd2 Rf4 57.Ke3 Ra4 58.Kf3 Ra3 59.Kg2 Ke5 60.Kh2 Kf4 61.Kg2 (61.Kg1 Kf3 62.Kf1 Ra2 63.Ke1 Re2 64.Kd1 h5 65.Kc1 h4 66.Kd1 h3 67.Kc1 h2 68.Kd1 h1Q) 61...Ra2 62.Kf1 (62.Kg1 Kf3 63.Kh1 Ra1 64.Kh2 h5 65.Kh3 Rh1) 62...Kf3 63.Ke1 Rf2 (63...Re2 64.Kd1 h5 65.Kc1 h4 66.Kd1 h3 67.Kc1 h2 68.Kd1 h1Q) 64.Kd1 h5 65.Ke1 (65.Kc1 h4 66.Kb1 h3 67.Kc1 h2 68.Kd1 h1Q) 65...h4 66.Kd1 h3 67.Ke1 h2 68.Kd1 h1Q 0-1. GNUChess - GNUChess, 2003.

9.Nc3 Nc6 10.Bf6 Bf6-/+ (worse 10...gf6 11.Rb1+=) 11.Be2 (11.Bc4 Nd4-/+) 11...Re8 12.Qa4 (12.0-0 Ne5-/+) 12...Bd7 13.Qc4 (13.Qc2 a5-/+) 13...Be6 14.Qb5 (14.Qc5 Nd4 15.Nd4 Bd4-/+) 14...Rb8 15.g3 (15.0-0 Nd4 16.Nd4 Qd4-/+) 15...Nd4 (15...Bg4 16.Rd1-+) 16.Nd4-/+ Bd4 17.f3 (17.f4 Bd7 18.Qd5 Bc3 19.dc3 Qe7-/+) 17...Bh3 18.Bf1 Re5 (18...Qf6!? 19.0-0-0 Be6 20.Be2-+) 19.Qe2 (19.Qd3 Bf1 20.Qf1 b5-/+) 19...Be6 20.Rb1 (20.f4 Ra5-/+) 20...Rc5 (20...Ra5 21.a4-+) 21.Qd1 (21.Qd3!? Qf6 22.Ne2-/+) 21...Bc3-+ 22.dc3 Qd1 (22...Rc3?! 23.Qd8 Rd8 24.Rb7-/+) 23.Rd1 Rc3 24.Bg2 (24.Be2 Ba2 25.Kf2 a6-+) 24...Ba2 25.Kd2 Ra3 26.Kc2 (26.Ra1 Rd8 27.Kc2 a5-+) 26...b5 (26...Bb3!? 27.Kb2 Bd1 28.Ka3-+) 27.Kb2 b4 (27...Ra4 28.Ra1 Rd8 29.Rad1 Rd1 30.Rd1-+) 28.Ra1 Rd8 (28...Be6 29.Ra3 ba3 30.Ka3 Rb3 31.Ka4-+) 29.Rhd1-/+ Rd1 30.Rd1 f5! 31.Ra1 (31.ef5 Bc4 Combination) 31...fe4 32.fe4 Bc4 33.Ra3 ba3 34.Ka3 c5 35.Kb2 Kf7 36.Kc3 Bb5 37.Bh3 Kf6 38.Bc8 (38.Bf5 g6 39.Bc8 Ke5-+) 38...Ke5 39.Bb7 a5 40.Bd5 a4 41.h4 (41.Bb7 Kd6-+) 41...h6 (41...h5 42.Bb7-+) 42.Bb7 a3 (42...Be2 43.Bc6-+) 43.Kb3 Bd3 (43...c4 44.Ka3 c3 45.Kb3-+) 44.Ka3 Be4 45.Ba6 (45.Bc8 Bf5 46.Bb7 Kd4-+) 45...Kd4 46.Kb3 (46.Bc8 Bf3-+) 46...Bd3 Black prepares the advance c4 47.Bb7 (47.Bc8-+) 47...c4 48.Kb2 c3 (48...Ke3!? 49.Bc6-+) 49.Kc1 Ke3 50.g4 Kf4 51.Bc8 g6 52.Be6 h5 53.gh5 gh5 54.Bd5 Kg3 55.Bg8 c2 56.Bd5 Bf5 57.Ba8 Kh4 58.Bf3 Kg5 (58...Bg4 59.Bc6 Bd1 60.Be8-+) 59.Be2 h4 60.Bf1 Kg4 61.Bb5 h3 62.Bc6 Kf4 63.Bh1 h2 64.Bd5 Be4 65.Be4 (65.Be6 h1Q 66.Kb2 c1Q 67.Kb3 Qc2 68.Kb4 Qe1 69.Kb5 Qc6) 65...Ke4 66.Kc2 (66.Kb2 Kd3 67.Ka3 c1Q 68.Kb4 Qc3 69.Kb5 h1Q 70.Kb6 Qb1 71.Ka6 Qca1) 66...Kd4 67.Kd2 (67.Kc1 h1Q 68.Kb2 Qd5 69.Kc2 Qa2 70.Kd1 Kd3 71.Ke1 Qe2) 67...h1Q 68.Ke2 (68.Kc2 Qa1 69.Kb3 Qb1 70.Ka4 Kc4 71.Ka5 Qb5) 68...Qg2 69.Ke1 Ke3 70.Kd1 Qd2 0-1. GNUChess - GNUChess, 2003.

8.Nc3 Nbd7 9.Bg3 Nb6 10.cd5 Nbd5 11.Nd5 Nd5 12.0-0 Be6 13.d4 Rc8 14.Ne5 (better is 14.Qd2!?+=) 14...Nc3-/+ 15.Qd2 cd4 16.Bf3 de3 17.Qe3 Bc5 18.Qf4 (18.Qe1!? Bd5–+) 18...f6 19.Ng4 h5 20.Nh6 gh6 21.Qh6 Qd7 22.Qg6 Qg7 23.Qh5 Qg5 (23...Na2?! 24.Bd5 Bd5 25.Qd5 Qf7 26.Qa2 Qa2 27.Ra2+=; worse is 23...Ba2 24.Ra2 Qg5 25.Qg5 fg5 26.Rc2+=) 24.Bh4? (24.Qg5 fg5 25.Rfe1 Ba2 26.Re5–+) 24...Qh5 25.Bh5 Ba2 26.Bg4 Rc6 27.Bd7 Rd6 28.Bf5 Bd4 29.Kh1 b5 30.Bg3 Rb6 31.Bc7 Ra6 32.Bd3 Rc8 33.Bf4 Rb6 34.Bf5 Rc5 35.Bg4 f5 36.Bf3 b4 37.Rfe1 b3 38.Re8 Kg7 39.Rae1 Ne4 (39...Ne4 40.Re7 Kf6 41.Be4 Ke7 42.Bf5 Kf7–+) 0–1. Andrenko,Irina – Muzychuk,Mariya (2265), UKR–ch U14 Girls, 2005.

9.Bb2 b6 10.d4 Bb7 11.Nbd2 (11.cd5 Nd5 12.dc5 Bc5=) 11...cd4 12.Nd4 Nd4 13.Bd4 Qd7 14.Qb3 Rac8 15.Rac1 Ne4 16.Nf3 (16.Ne4 de4 17.Rfd1 Qc6=) 16...dc4 17.Bc4 Nc5 18.Qd1 Qg4 19.Be2 (19.h3 Qg6=+) 19...Ne6 20.Rc8 Rc8 21.g3? (better 21.h3 Qe4 22.Be5=+) 21...Qe4-+ 22.h3?? (22.h4 Rd8 23.Kh2 Nd4 24.ed4 g5-+) 22...Rd8 (better 22...Ng5 23.h4 Nf3 24.Bf3 Qf3 25.Qf3 Bf3-+) 23.Kh2 Bf6 24.Qb1?? (24.Rg1 Qf5 25.Rf1 h5-+) 24...Nd4 (better 24...Rd4 25.ed4 Qe2-+) 25.Qe4 Be4 26.ed4 Bd4 27.Rd1 Bf6 28.Rd8 Bd8 29.Ne5 Bc7 30.Nd3 (30.Bf3 Bb1 (30...Be5?! 31.Be4 Bd4 32.Kg2=) 31.Nc6 a6-+) 30...a5 31.a4 Bc6 32.Bd1 Kf8 33.Kg1 Bd5 (33...Ke7 34.Nb2-+) 34.f4 Ke7 35.Kf2 Kd6 (35...Bc6 36.Nb2-+) 36.Ke3 Bd8 37.Bc2 h5 38.g4 h4 39.g5 (39.Nf2-+) 39...f5 (better 39...f6 40.g6 Be6-+) 40.Ne5?? (better 40.Ne1-/+) 40...Bg5!-+ 41.Bf5 (41.fg5 Ke5 Deflection (41...Ke5 Overloading)) 41...Bf6 42.Nd7 Bd8 43.Ne5 Bb3 44.Bd7 (44.Kd3-+) 44…Bf6 (44...Bf6 45.Bb5 Be5 46.fe5 Ke5-+) 0-1. Bennett,Hilton - Sutton,Richard, NZL South Island Championship, 2004. (New Zealand Chess Magazine Vol 31 No 5 October 2004)

9.Bb2 b6 10.d4 cd4 11.Nd4 Nd4 12.Bd4=.

9.Bb2 b6 10.cd5 Nd5 11.d4 Bf6 12.h3 Bb7=+ 13.a4 cd4-/+ 14.Bd4 Bd4 15.Nd4=+ Nd4 16.Qd4 Qf6 17.Qf6= Nf6 ½–½. hal1958 – cccmember, playchess.de, 2003.

9.Bb2 Re8 10.cd5 Nd5 11.d4 Bf6 12.Qd2 Qb6 (12...cd4 13.Nd4 Nf4 14.Bf3=+) 13.Rd1 (13.Nc3 Nc3 14.Bc3 cd4 15.Nd4 Nd4 16.Bd4 Bd4 17.ed4 Bf5=) 13...cd4 14.Nd4 Be6 15.Na3 (15.Ne6? A) 15...fe6?! 16.Bf6 Nf6 17.Nc3=; B) 15...Re6?! 16.Nc3= (16.Qd5?? Qb2 17.Nc3 Bc3–+); C) 15...Qb2 16.Nc5 Ne3 (16...Qa1?! 17.Qd5 Rad8 18.Nd7–+) 17.Qb2 Bb2 18.fe3 Re3–+) 15...Nd4 16.Bd4 Bd4 17.Qd4 Qd4 18.Rd4 a6 (18...Nc3 19.Bf3=+) 19.Bf3 (19.Bc4 Nc7=) 19...Nc3 20.Nc4 (20.Bb7 Ra7 21.Bc6 Rc8=) 20...Nb5 21.Re4 Rac8 (21...Rad8 22.Nb6=+) 22.Na5 (22.a4!?=) 22...b6=+ 23.Nb3 a5 24.g3 (24.Bg4 Nc3 25.Be6 fe6=+) 24...Nc3-/+ 25.Rd4 (25.Re5 Rb8-/+) 25...Na2!–+ 26.Ra2 Bb3 27.Rb2 (27.Rad2 b5–+) 27...a4 28.Bd5 Bd5 29.Rd5 a3 30.Ra2 Rc3 31.Rb5 Rb8 32.Kf1 Kf8 33.Ke1 (33.Ke2 Ke7-/+) 33...Rd8 34.Rb6 Ke7 35.Ra6 (35.Rb7 Ke6-/+) 35…Rdd3-/+ ½–½. Fengsrud,Roy – Dziedzic, corr 3GMM–09, 1997.

9.Bb2 Bg4 10.cd5 Nd5 11.Na3 Bf6 12.Bf6 Nf6 (< 12...gf6 13.Qc2+=) 13.Nc4 Qd5 14.d3 Rad8 15.e4 Qe6 16.Ng5 Qd7 17.Bg4 Ng4 18.h3 Nge5 19.Ne5 Ne5 20.Qb3? (better is 20.Nh7 Rfe8 21.Ng5=+) 20...Nd3 21.Rad1 b5 22.Nf3 c4 23.Qc2 Qe7 24.Nd2 Rd7 25.Ra1 Rfd8 26.Rfd1 a6 27.a4 Nc5 28.ab5 ab5 29.Rab1 h6 30.f3 Nb3?? (better is 30...Qg5 31.Nf1 Rd1 32.Rd1 Rd1 33.Qd1 Nd3–+) 31.Nb3=+ Rd1 32.Rd1 Rd1 33.Qd1 cb3 34.Qb3 Qc5 35.Kf1 ½–½. hal1958 – cccmember, HCL–A1316 playchess.de, 2003.

9.Bb2 Bg4 10.cd5 Nd5 11.d4 cd4 12.Nd4 Be2 13.Qe2= Nd4 14.Bd4 Bf6 15.Bf6 Qf6=+ 16.Nd2 Rac8 17.Nb3 Rfd8 18.Nd4 Nf4 19.Qb2 Ne6 20.Qb7 Nd4 21.ed4 Qd4 22.Qf3 Rc3 23.Qd1 Qd1 (23...Rd3 24.Qh5=+) ½–½. hal1958 – cccmember, playchess.de, 2003.

9.Bb2 h6 10.Nc3 Be6 11.cd5 Nd5 12.Nd5 Bd5 13.Qc2 Nb4 14.Qa4 a6 15.a3 b5 16.Bb5 ab5 17.Qd1 Nd3 18.Bc3 b4 19.ab4 cb4 20.Ra8 Qa8 21.Bd4 b3 22.Qb1 Bc4 23.Ne5 Ne5 24.Be5 Bf1 25.Kf1 Qa2 26.Qa2 ba2 27.Ba1 Bf6 0-1. retiponziani (1805) - Shangri_La (1920), ChessWorld.net, 2010.

9.Bb2 h6 10.d4 cd4 11.Nd4 Nd4 12.Bd4 Be6 13.Bf3 Qa5 14.Nc3 Rfc8 (better is 14...dc4!? 15.Rb1 Bb4 16.Bf6 gf6=) 15.cd5+/– Nd5 16.Bd5 Bd5 17.Qg4 (17.Nd5?! Qd5 18.Qg4 Bf8+=) 17...Bf8 18.Qf5 (18.Nd5?! Qd5 19.Ba7 Rc2=) 18...Rd8 19.Rad1 (better is 19.Rab1!? Rac8 20.e4 (20.Nd5?! Qd5 21.Qd5 Rd5+/–) 20...Rc3 21.Bc3 (21.ed5 Rc4 22.Ba1 Rd5–/+) 21...Qc3 22.ed5+–) 19...b6+= 20.Bf6 (worse is 20.Nd5 Rd5 21.Qc2 Rad8=) 20...gf6? (better is 20...Bc4!? 21.Qa5 Rd1 (21...ba5?? 22.Rd8 Rd8 23.Bd8+–) 22.Rd1 ba5=) 21.Nd5+– Bg7 22.Nf6 Bf6 23.Qf6 Rd1 24.Rd1 Qa2 25.Qh6 Qe2 26.Qg5 Kf8 27.Qd5 Re8 28.h3 b5?? 29.Qc5 Kg8 30.Rd4 Re6 31.Rh4 Qd1+= 32.Kh2 Qd8? 33.Qh5 Qf6 34.Rg4 Kf8 35.Rf4 Qg7 36.Qc5 Ke8?? 37.Qb5 Ke7 38.Qb7 Ke8 39.Qa7 Qg6 40.Rb4 Kf8 41.Rb8 Kg7 42.Qd4 Qf6 43.Qf6 Rf6 44.f3 Rg6 45.g4 Re6 46.e4 Kg6 47.Kg3 f6 48.Rb7 Re5 49.h4 Kh6 50.h5 1–0. Doncea,Vladimir (2200) – Ciortan,Mihail (1990), Bucharest Revolution Memorial, 2003.

9.Bb2 h6 10.d4= Be6 11.Nbd2 dc4 12.Bc4 cd4 13.Nd4 Nd4 14.Bd4 Bc4 15.Nc4 Qd5 16.Qe2 Qe6 17.Rfd1 b6 18.Rac1 Rac8 19.Bb2 Rfd8 20.Rd8 Rd8 21.Ne5 Bc5 22.a4 Qb3 23.h3 Ba3 24.Ba3 Qa3 25.Qc4 Rf8 26.Rd1 Qe7? 27.Ng6+– (27.Ng6 Qe6 28.Qe6 fe6 29.Nf8 Kf8 30.Rc1+–) 1–0. Welti – Schipper, OH, 1992.

9.cd5 Nd5 10.Bb2 Be6 11.d4 cd4 12.Nd4 Nd4 13.Bd4 a6 14.Bg4 Qd7 15.Be6 Qe6 16.Qb3 b5 17.Nc3 Rfd8 18.Rac1 Rac8 19.Nd5 1–0. Koller – Incelli, corr ICCF TT–4–90 SF5 1994.

9.cd5 Ne5 10.Ne5 Nd5 11.f4 Be6 12.Na3 a6 13.Nc2 Qc7 14.Qe1 Bf6 15.Qg3 Rfe8 16.d4 Nc3 17.Bd3 c4 18.Bh7 Kh7 19.Qe1 Ne4 20.g4 Qe7 21.Qe2 Be5 22.fe5 Qh4 23.Rf4 Ng5 24.Kh1 Rh8 25.Raf1 Kg8 26.e4 Ne4 27.Re4 Bd5 28.Rff4 g5 29.Kg1 gf4 30.Rf4 Qg5 31.Rf5 Qd8 32.Rf6 Bc6 33.Rd6 Qg5 34.d5 Rh4 35.h3 Rh3 36.dc6 Rg3 0–1. Husslein – Salaske, corr SOK–89–45.

10.Na3 Nb4 11.Bc4 a6 12.Nc2 Nd3 13.Bd3 Qd3 14.Ne5 Qf5 15.d3 Be6 16.e4 Qf4 17.Qc1 Nh5 18.Qd1 Qg5 19.Nf3 Qh6 20.Bc1 Nf4 21.Qd2 g5 22.Qd1 f5 23.Bf4 gf4 24.e5 b5 25.Re1 Rad8 26.d4 Rf7 27.Re2 Bd5 28.Rd2 c4 29.Qe2 b4 30.Re1 Rg7 31.Rc1 c3 32.Rdd1 Qe6 33.Ra1 Bc4 34.Rd3 Rd5 35.Rad1? Rd7 36.Kh1 Ba2 37.Nfe1 Bc4 38.Qf3 Qd5 39.Qf4 Bd3 40.Rd3 b3 41.Ne3 b2 42.Nd5-/+ c2 43.Ne7 Rde7 44.Rc3 Rc7 45.Rc7= Rc7 46.Qg5 Kf7 47.Qf5 Ke7 48.Qh7 Kd8 49.Qg8 Ke7 50.Qg5 Kd7 51.Qf5 Ke7 52.Qf6 Ke8 53.Qh8 Kd7 54.e6 Ke6 55.Qe5 Kd7 56.Qd5 Ke7 57.Qg5 Ke8 58.Qg6 Kd7 59.Qf7 Kc8 60.Qe6 Kd8 61.Qd6 Kc8 62.Qa6 Kd8 63.Qd6 Kc8 64.Qe6 Kd8 65.Qd5 Kc8 66.Qf5 Kd8 67.Qg5 Kc8 68.Qg8 Kd7 69.Qg7 Kd8 70.Qh8 Kd7 71.Qh3 Ke8 72.Qh5 Kd8 73.Qh4?? Re7–+ 74.Qg5 c1Q 75.Qa5 Kd7 76.Qd5 Kc7 77.Qa5 Kc6 78.Qa8 Kb5 79.Qd5 Ka4 80.Qa2 Kb4 81.Qb2 Qb2 82.h4 Re1 (82...Re1 83.Kh2 Qf2 84.Kh3 Qf4 85.g3 Rh1 86.Kg2 Qf1) 0–1. Fritz 8 – Fritz 8, 2004.

10.Na3 Be6 11.Nc4 b5 12.Nce5 Ne5 13.Be5 a6 14.a4 Qd7 15.d4 Rfe8 16.Re1 Ne4 17.Qc2 Bd5 18.dc5 f6 19.Bd3+/– Qc6 20.Bd4 b4 21.Rec1 Rac8 22.Rab1 b3 23.Qe2 Nc5 24.Bc4 Be6 25.Bc5+/– Bc5 26.Ba6 White gets strong initiative 26...Qa4 27.Bc8 Rc8 28.Qd3 Qa2 29.Nd2 b2 30.Rc2 Qa3 31.Qe4 Qa6 32.Rcb2 Qd6 33.Nc4 Qc6 34.Qc6 Rc6 35.Rb8 Kf7 36.Na5 Ra6 37.Nb7 Be7 38.Nd8 Bd8 39.Rd8 Ra2 40.Rb7 Kg6 41.f3 Rc2 42.e4 Kh6 43.Rb6 Rc1 44.Kf2 Bc4 45.Rc8 Kg5 46.Rc5 Kg6 47.e5 Rf1 48.Kg3 Ba2 49.ef6 gf6 50.Rcc6 Kg7 51.Rf6 Rg1 (51...Re1 52.Rfd6 Re7 53.f4+–) 1–0. Comet B50 – Comet B25, 2004.

10.Na3 Bf5 11.Bc4 Bd3 12.Bd3 Qd3 13.Qb3 Nb4 14.Bc3 Nfd5 15.Nc4 f6 16.Ne1 Qf5 17.Na5 b5 18.Bb4 c4 19.Qb1 Qb1 20.Rb1 Bb4 21.Nc4 bc4 22.e4 Rfd8 23.ed5 Bd2 24.Rb5 c3 25.Nc2 a6 26.Rc5 Rab8 27.Nd4 Rb2 28.a4 Rd6 29.Rd1 Ra2 30.Rc8 Kf7 31.Rc7 Kg6 32.Rg7 Kg7 33.Nf5 Kg6 34.Nd6 c2 35.Rf1 Bc3 36.h4 Ra1 37.h5 Kh5 38.g4 Kg4 0–1. Fritz 8 – Fritz 8, 2004.

10.Na3 Bg4 11.Nc4 b5 12.Nce5 Ne5 13.Ne5 Be2 14.Qe2 a6 15.Nc6 Qd7 16.Qf3 Nd5?? 17.Qd5!!+– Ra7 18.e4 Rc7 19.Qd7 Rd7 20.Ne7 Re7 21.d3 Rfe8 22.Rac1 c4 23.Ba3 Re5 24.f4 c3 25.fe5 Re5 26.Rc3 f6 27.Rc8 Kf7 1–0. Fritz 5.32 – Comet B25, 2004.

10.Na3 Bg4 11.Nc4 Qd5 12.Nce5 Ne5 13.Ne5 Be2 14.Qe2 Rfd8 15.d4 Rac8 16.Rfd1 c4 17.Rac1 b5 18.f3 Qe6 19.e4 Qa6 20.Ba1 Nh5 21.g3 Ba3 22.Rc2 Nf6 23.f4 Qa4 24.d5 c3 25.Rc3 Rc3 26.Bc3 Ne4 27.Ba1 Nf6 28.Nc6 Rd5 29.Re1 Bc5 30.Kh1 h5 31.Bf6 gf6 32.Qe8 Kg7 33.Nd8 Rd8 34.Qd8 Qc4 35.Qa8 Qa2 36.Qf3 Qd2 37.Rf1 Qc2 38.Qh5 Qe4 39.Rf3 Bb6 40.Kg2 b4 41.Qb5 f5 42.Qe5 f6 43.Qb5 Kh6 44.Qf1? a5 45.Kh3 a4–+ 46.Rd3 Qe8 47.Rd6-/+ Bd8 48.Qd3 Be7–+ 49.Re6 b3 50.Qc3 Qf7 51.Qc8? b2 52.Rb6 a3 53.Qa8 Kg6 54.Rb8 Bd6 55.Rb7 Qf8 56.Qa4 Qh8 57.Kg2 Qg8 58.Kh3 Bc5 59.Qb5 Bb4 (59...Bb4 60.Qb4 Qh8 61.Kg2 Qe8+=; better is 59...Be3–+) 0–1. Fekete,Albert – Ruhle,Ernst_Olav, corr ICCF TT, 2005.

11.Be2 Qb6 12.Bc3 Rad8 13.Qc2 Nd5 14.Ng5 Bg5 15.Bg4 Ncb4 16.Qf5 Bf6 17.Na3 Qa6 18.Bf6? Nf6–+ 19.Qc5 Qa3 20.Bf3 b6 21.Qc4 Rd2 22.Bd1 Ra2 23.Rb1 Nbd5 24.e4 Nf4 25.Rb3 Qc5 26.Qc5 bc5 27.Re1 c4 28.Rb7 Nd3 (29.Rf1 Ne4–+) 0–1. Blokhuis,G – van Gool,J, corr NL cup, 1997.

11.Be2 Qd6 12.d4 =.

12.Be2 Bf5 13.Nc3 Qb6 14.Na4 Qe6 15.d4 c4 16.Nc5 Qd5 17.Bc3 b6 18.Ba5 bc5 19.Bc3 Ne4 20.Qc1 Bf6 21.Bb2 c3 22.Bc3 Rfc8 23.Bb2 cd4 24.Qd1 d3 25.Bf6 Nf6 26.Nd4 de2 27.Qe2 Qe5 28.Rac1 Be4 29.Qa6 Re8 30.Rfd1 Qg5 31.Qf1 Rac8 32.a4 a5 33.Kh1 Nd5 34.Rc8 Rc8 35.Ne2 Rc2 36.Ng3 Nc3 37.Rd4 Bd5 38.Qa6 h6 39.e4 Ne4 40.Re4 Be4 41.Ne4 Qf4 42.Qa8 Kh7 43.g3 Qf3 44.Kh2 Rf2 45.Nf2 Qa8 0–1. Fritz 6 – Fritz 8, 2004.

12.Be2 Bf5 13.Nc3 Qb6 14.Qc1 Nc6 15.Rd1 Rad8 16.Ba3 Bd3 17.Bd3=+ Rd3 18.Ne1 Rdd8 19.Na4 Qa5 20.Nc5 Rc8 21.g4? b6–+ 22.d4 bc5 23.Bc5 Ne4 24.Be7 Ne7 25.Qb2 f5 26.Qb7 Nd5 27.gf5 Ndc3 28.Qb3 Kh8 29.f3 Qf5 30.Rd3 Ne2 31.Kf1 Nc1 32.Rc1 Qh3 33.Ke2 Rc1 (34.Rd1 Qh2 35.Kd3 Rd1 36.Ke4 Re1–+) 0–1. Fritz 6 – Fritz 8, Blitz:1', 2004.

12.Be2 Bf5 13.d4 Qb6 14.Bc3 Nc6 15.dc5 Qc5 16.Qb3 Ne4 17.Rc1 Bf6 18.Bb2 Qc1 19.Bc1 Ba1 20.Ba3 Rfd8 21.Qb7 Rab8 22.Qc6 Rb1 23.Bf1 Nc3 24.Nh2 Bd3 25.Qc7 Ra8 26.Qc6 Rab8 27.g3 Be4 28.Qa6 Bb7 29.Qd3 Re8 30.Ng4 Rd1 31.Qc4 h5 32.Bc5 hg4 33.hg4 Bf3 34.Kh2 Re6 35.Be7 Bd5 36.Qc8 Kh7 37.Bg2 Bg2 38.Kg2 Re7 0–1. Fritz 6 – Fritz 8, 2004.

12.Be2 Bf5 13.d4 Qb6 14.Bc3 Rfd8 15.Nbd2 Nc6 16.dc5 Qc5 17.Rc1 Qa3 18.Qb3 Ne4 19.Ne4 Be4 20.Rfd1 Rac8 21.Bc4 Qb3 22.ab3 Bf3 23.Rd8 Rd8 24.gf3 g6 25.Kf1 h6 26.Ke2 Kf8 27.Rd1 Rd1 28.Kd1 Bh4 29.Ke2 Ke7 30.Bg7 h5 31.Bb2 a5 32.Ba3 Ke8 33.f4 Be7 34.Bb2 Nb4 35.Kf3 f5 36.Bc3 Bc5 37.Bf6 b6 38.Ke2 Bd6 39.Kd2 Nc6 40.Bd5 Nb8 41.Bc3 Nd7 42.Bd4 Nc5 43.Kc3 b5 44.Bc6 Ke7 45.Bc5 Bc5 46.Bb5 Bb4 47.Kd3 h4 48.Bc4 Be1 49.f3 Bb4 50.e4 Bd6 51.e5 Ba3 52.Kd2 Bb4 53.Ke2 Ba3 54.Kd1 Bc5 55.Kc2 Be3 56.Kd3 Bf4 57.Kd4 g5 58.Kd5 g4 59.fg4 fg4 60.hg4 h3 61.Bd3 h2 62.Be4 Bc1 63.e6 Bf4 64.Bh1 Ke8 65.Ke4 Bh6 66.Kf5 Ke7 67.g5 Bg7 68.g6 Bh8 69.Be4 Bd4 70.Bd5 Bf6 71.Bf3 Bb2 72.Bc6 Kf8 73.Bh1 Ba3 74.Kg5 Kg7 75.Bc6 Be7 76.Kf5 Bc5 77.Be4 Kf8 78.Kg5 Bd4 79.Kh6 a4? 80.ba4+– Bc3 81.a5 Bd2 82.Kh7 Bc3 83.a6 Bd4 84.a7! Ke7 (84...Ba7 85.g7) 1–0. Fritz 8 – Fritz 5.32, 2004.

12.Be2 Bf5 13.d4 c4 14.Qa4 Bd7 15.Qc2 b5 16.Rd1 b4 17.Bc4 Nc4 18.Qc4 Rc8 19.Qa6 Rc2 20.Rd2 Rc7 21.d5 Bc8 22.Qd3 Qd6 23.e4 Ba6 24.e5 Qb6 25.Qd4 Bc5 26.Qh4 Nd7 27.Qg3 Qg6 28.Qg6 hg6 29.Ng5 Bb5 30.e6 fe6 31.Ne6 Rf2 32.Rf2 Bf2 33.Kf2 Rc2 34.Ke3 Rb2 35.Nd2 Nb6 36.Nc7 g5 37.Nb5 Nd5 38.Ke2 Nc3 39.Ke3 Nb5 40.Rb1 Rb1 41.Nb1 a5 42.g3 Kf7 43.Kd3 Ke6 44.Ke3 Kd5 45.Nd2 Nc3 46.Nb3 a4 47.Nc1 Kc4 48.h4 Na2 49.Nd3 a3 50.Ne5 Kc3 51.Ke4 b3 52.Nd3 b2 53.Nf2 b1Q 0–1. Fritz 6 – Fritz 8, 2004.

10.Qb3 Re8 11.Re1 Ne4 12.d3 Ng5 13.Nbd2 de3 14.fe3 Bf6 15.Bf6 Qf6 16.Qb5 Re3 17.Qc5 Nh3?? 18.gh3 +–.

10.d3 de3 11.fe3 Be6 12.a3 Qd7 13.Qc2 Rad8 14.Nc3 Ng4 15.Qc1 Bf6 16.h3 Nge5 17.Ne4 Nf3 18.Rf3 Bb2 19.Qb2 Ne5 20.Nc5 Qc7 21.Ne6 Nf3 22.Bf3 fe6 23.Rd1 b6 24.Qb3 Qe5 25.d4 Qg5 26.c5 Rf3 27.Qe6 Kh8 0–1. lllllll21 (1635) – vector00, internet, 2013.

10.ed4 cd4=+ 11.Qb3 =+.

10.ed4 cd4=+ 11.d3 Ne8 12.a4 Nc7=+ 13.Na3 Bf5 14.Ne1 Qd7 15.f4 h6 16.Nb5 Na6 17.Nc2 Nab4 18.Nb4 Nb4 19.Kh1 Bc5=+ 20.Rb1 Rfe8 21.Bd4 Bd4 22.Nd4 Qd4 23.Rb4 Rad8 24.h3 Re2 25.Qe2 Bd3 26.Qf2 Bf1 27.Qf1 b6 28.Rb5 Qe4-/+ 29.a5 Qc2 30.Rd5=+ Rd5 31.cd5 ba5 32.Qe1 a4 33.d6 Qc6 34.Qe7 Qc1-/+ 35.Kh2 Qf4 36.Kg1 ½–½. Cool,B – Karochelle,M, corr CAN, 1994.

10.ed4 cd4 11.d3 Bg4 12.Nd4 Nd4 13.Bg4 Ng4 14.Qg4 Bf6 15.Nc3 Qc8 16.Qc8 Rac8 17.Rab1 Rfe8 18.Ne4 Ne2 19.Kh1 Bb2? 20.Rb2+– Nf4 21.Rb7 Nd3 22.Nd6 Rb8 23.Ra7 Nf2 24.Kg1 (24.Rf2 Rb1) 1–0. hal1958 – cccmember, HCL–A1484 playchess.de, 2003.

10.ed4 cd4=+ 11.Nd4?? Nd4–+ 12.Nc3 Ne2 13.Qe2 Bg4 14.Qe3 0–1. Wartig,Wolfgang – Tiedt, corr EU/H/GT/213, 1997.

10.Na3 a6 11.d4 cd4 12.Nd4 Nd4 13.Qd4 dc4 14.Nc4= Qd4 15.Bd4 Rac8 16.Nb6 Rc2 17.Bf3 Ba2 18.Bb7 a5 19.Bf3 Rb8 20.Bd1 Rd2 21.Bc3 Rd3 22.Bf6 Bf6 23.Ra2 Rb6 24.Ra5 Rbd6 25.Ra8 Rd8 26.Rd8 Rd8 27.g3 Ra8 28.Bc2 Ra1 29.Bb1 h6 30.h4 g5 31.hg5 hg5 32.g4 Kg7 33.Kg2 Be5 34.Rd1 ½–½. Straschewski,Joerg – Striepens,Benedikt, corr GER jub50 qJVM61, 1996.

10.d3 =+.

10.cd5 Bd5 11.Nc3 Be6 12.a3 a6 13.Qc2 Qc7 14.Ne4= Ne4 15.Qe4 g6 16.Qc2 f6 17.Bc4+= Bf7 18.Bf7 Rf7 19.d4 b6 20.Qc3 Raf8 21.dc5 Bc5+= 22.Rfd1 Ne7 23.Ng5 fg5?? 24.Qh8# 1–0. Ruhle,E – Maibach,B, FO4, 1995.

10.cd5 Bd5 11.d4 Rc8 12.dc5= Bc5 13.Bf6+= Qf6 14.Nbd2 Rfd8-/+ 15.Qa4 a6 16.Nb3 Ne5 17.Ne5=+ Qe5 18.Nc5 Rc5 19.Rfd1 g6 20.Rab1 Qc7 (20...Rdc8 21.Bd3=) ½–½. Kallab,Kurt Josef – Spiegel,Michael, corr SOK–88–24, 1988.

10.cd5 Nd5 11.Na3 Ndb4 12.Bc4 Bc4 13.Nc4 Nd3 14.Bc3 b5 15.Nce5 Nce5 16.Ne5 Ne5 17.Be5 Qd5 18.Bb2 f5 19.Qc2 Rfd8 20.Rfd1 Qd3 21.Rac1 a5 22.Qc3 Qc3-/+ 23.Rc3 b4 24.Rc4=+ Rd3 25.Kf1 Rad8 26.Ke2 Kf7 27.h3 R3d5 28.d3 Bf6 29.Bf6 Kf6 30.Rd2 Ke6 31.f3 R8d7 32.e4 fe4 33.fe4 Rg5 34.g4 Rd4 35.Ke3 Rc4= 36.dc4 Rg6 37.Kf4 Rf6-/+ 38.Kg3 Rf7 39.Rd8 a4 (39...a4 40.Re8 Re7–/+; 39...Ke5 40.Re8 Kd4 41.e5 Kc4 42.e6–+) 0–1. Sternik,Ryszard – Tiunkov,EV, corr ICCF EU–ch GT242, 1985.

10.cd5 Nd5 11.Nc3 Bf6 12.Qc2 Ne5 13.a3 Rc8 14.Rfc1 b6 15.Rab1 Nc3 16.Bc3 Nf3 17.Bf3 Bc3 18.Qc3 Qd7 19.Be2 Rfd8 20.Ba6 Rb8 21.Rb2 h6 22.h3 Qd5 23.Bc4= Qf5 24.Be6 Qe6 25.Qc4 Qe7 26.Rc3 Rd6 27.d3 Rbd8 28.Rd2 Qf6 29.Kh1 Rd5=+ 30.a4 R8d6 31.Rc1 Qd8 32.Rcd1 Qd7 33.d4 g6 34.f3 h5 35.Rd3 Kg7 36.R1d2 Kh7 37.Qa2 Kg7 38.dc5 Rd3 39.cd6 Qd6 40.Rd3 Qd3 41.e4 Qd4 42.Qb3 a6 43.h4 Kg8 44.Kh2= Qc5 45.Qb2 b5 46.ab5 ab5 47.e5 b4-/+ 48.e6 fe6 49.Qf6 Qf5 50.Qd8 Qf8 51.Qd7 Qf4 52.g3 Qf7 53.Qd8 Qf8 54.Qd7 e5 55.Kg2 Qf7 56.Qd6 b3 57.Qe5 Qb7 58.Qf6 Kh7 59.Qb2 Qb5 60.Kf2 Qd3 61.Qe5 Qd2 62.Kf1 Qd7 63.Ke2 Qb7 64.Qb2 Qa6 65.Ke1 Qb6 66.Ke2 Kg8 67.Kd3 Kf7 ½–½. Cetwinski,Olgierd (2210) – Franczak,Tadeusz (2250), corr Poland–ch13T, 1999.

10.cd5 Nd5 11.d4 cd4 12.ed4 (12.Nd4 Rc8+=) 12...Rc8 13.Nbd2 Qb6 14.Nb3 Na5 15.Nfd2 Nb3 16.ab3 Nc3 (16...Nf4!?+=) 17.Bc3= Rc3 18.Rb1? (better is 18.Nc4 Qb4 19.Ra4 Qb3 20.Qb3 Rb3 21.Ra7=) 18...Qd4–+ 19.Nc4 Qd1 20.Rfd1 Rd8 21.Rd8 Bd8 22.h3 Bc7 23.f3? (23.Nd2 Bf4 24.Nc4 b5–+) 23...Bg3 24.Rd1 g6 25.Rb1 Bf5 26.Rd1 Rb3 27.Na5 Rb2 28.Bc4 b6 29.Nc6 a5 30.Ne7 Kg7 31.Nf5 gf5 32.Ra1 b5 33.Bd3 a4 34.Bf5 Be5 35.Ra3 Rb3 36.Rb3-/+ ab3 37.Kf2 Kf6 38.Bb1 h6 39.Ke3 Ke6 40.Ke4 Kd6 41.Kd3 Kc5 42.f4 Bf6 43.g4 Kb4 44.Kd2 Ka3 45.Kc1 Bb2 46.Kd2 b4 47.g5 Bc3–+ 48.Kc1 Bb2 49.Kd1 Bg7 50.Kc1 Bb2 51.Kd1 Bg7 ½–½. Coskun,Selin – Yakici,Irem, Wch U10 Girls, 2007.

10.a3 d4 11.d3 Qb6 12.Bc1 Rad8 13.e4 Bg6 14.Nh4 Nd7 15.Ng6 fg6 16.Nd2 g5 17.Nf3 h6= 18.g3 Nde5 19.Ne5= Ne5 20.f4 gf4 21.gf4 Nf7 22.Rf2 Kh7 23.f5 Rg8 24.Bh5= Nh8 25.Raa2 Bf6 26.Rab2 Qc7 27.Rg2 Qe7 28.Bg6+/– Ng6 29.Rg6 Rh8 30.Qh5 Kg8 31.Bf4 Kf8? 32.e5! (32.e5 Be5 33.Re2+–) 1–0. Busch – Borrmann,Fritz, corr SOK–88–27, 1988.

10.Na3 d4 11.d3 de3 12.fe3 Ng4 13.Qd2 Bf6 14.Bf6 Qf6 15.e4 Bd7 16.Nb5 Qe7 17.Nc7 Rab8 18.Qf4 Qf6 19.Qf6 Nf6 (worse is 19...gf6 20.Nd5+/–) 20.Nd5 Ne8 21.Bd1 Nd6 22.Ba4 f6 23.Rab1 Rfd8 24.Kf2 Re8 25.g4 Bg4 (25...h6!?+=) 26.Rg1+/– f5 27.ef5 h5 28.f6 a6? (better is 28...g6!?+/–) 29.fg7+– Kf7 30.Nc7 Re7 (30...Bf3 31.Ne8 Re8+–) 31.Bc6 Rc7 32.Bd5 Kg7 33.h3 Kf6 34.hg4 hg4 35.Rg4 Kf5 (35...Re8+–) 36.Rbg1 Rcc8 37.Rg6 Re8 38.R1g5 Kf4 39.Rf6 Nf5 40.Rff5# 1–0. Mar Ram – COMP, internet, 2010.

10.Na3 d4 11.d3 de3 12.fe3 Ng4 13.Qd2 Bf6 14.Bf6 Qf6 15.e4 Be6 16.Nb5 Rad8 17.Nfd4 Qe5 18.Bg4= Nd4 19.Be6 Qe6 20.Nc3 f5 21.ef5 Rf5 22.Rf5 Nf5 23.Nd5 Re8 24.Rf1 Qe5 25.g3 h6 26.Qf2 Qd4 27.Kg2 Qf2 28.Rf2 Ne3 29.Ne3= Re3 30.Rd2 Kf7 31.Kf2 Re7 32.d4 cd4 33.Rd4 b6 ½–½. Floegel,Oliver – Herrmann, BFM–203, 2001.

10.Na3 d4 11.ed4 cd4 12.d3 h6 13.Nc2 Bc5 14.Nd2 Qb6 15.Nb3 Rfd8 16.Rb1+/– Bg6 17.Nc5 Qc5 18.Ba3 Qa5 19.Rb7 Rab8 20.Rb3 Rb3 21.ab3 Qc3 22.Na1 Re8= 23.f3 a5 24.Bd6 Nb4 25.Bb4 ab4 26.Kf2 Re3 27.Nc2 Rd3 28.Bd3 Bd3 29.Ne1 Bc4 30.bc4 Qe3 31.Kg3 Qg5 32.Kf2 Qe3 33.Kg3 Qg5 34.Kf2 Qe3 ½–½. Kilpatrick,Robert – Johnston,T, corr ch–SCCA, 1989.

10.d4 Rc8 11.dc5 Bc5 12.Nbd2 dc4 13.Bc4 =.

10.d4 cd4 11.Nd4= Nd4 12.Bd4 dc4 13.Bc4 Qc7 14.Nd2 Rac8 15.Bb3 Ng4 16.g3 Ne5 17.Qh5 Qd7 18.Rad1 Nc6=+ 19.Rc1 Bh3 20.Rfe1 Nd4 21.Rc8 Qc8 22.ed4 Bb4 23.Qd1 Bg4 24.f3 Be6 25.Be6 fe6 26.Re3 Rd8 27.Nb3 a5 28.a4 Qc6=+ 29.Qd3 Rc8 30.Qe4 Qe4 31.fe4 b5 32.ab5 a4 33.Kf2 Rb8 34.Na1 Rb5 35.Nc2 e5 Black fights for the Initiative 36.Kf3 ed4 37.Nd4 Rb6 38.Re2 a3 39.Nb3 Be7 40.Nc1 Rb2 41.Na2 Bc5 42.g4 Kf7 43.Rb2 ab2 44.Nc3 Kf6 45.Ke2 Kg5 46.Kd3 Kg4 47.Kc2 Bd6 48.Nd1?! Be5 49.Ne3 Kf4 (49...Kf4 50.Nc4 Ke4 51.Nd2 Kf4–+) 0–1. Markus,Roland – Steinmann,Joachim, corr TKM/A005, 1999.

10.d4 cd4 11.Nd4 Nd4 12.Bd4 dc4 13.Bc4 Rc8 14.Qb3 b6 15.Nd2 Bc5 16.Nf3 Be4 17.Rfd1 Qe7 (17...Bf3 18.gf3 Ne8 19.Rac1=) 18.Ne5 Bf5 19.Bc5 bc5 20.Qb2 Be6 21.f3 Rfd8 22.Rd8 Qd8 (22...Rd8 23.Nc6 Qe8 24.Nd8 Bc4 25.Qc3+–) 23.Be6 fe6 24.Qb7 Rc7 25.Qa6 Qc8 26.Rd1 h6 (26...Qa6?? 27.Rd8 Ne8 28.Re8) 27.Qc4 Qe8 28.e4 Qe7 29.Qb5 Rb7 30.Qc6 Rc7?? (better is 30...Kh7+=) 31.Qa8 (31.Qa8 Kh7 32.Nc6+=) 1–0. Findiur,Igor (1975) – Saad,Avner (1780), ISR/C51 (ISR), 2012.

10.d4 cd4 11.Nd4= Nd4 12.Bd4 Rc8 13.cd5 Nd5 14.Qb3 (14.Bf3 Bc2 15.Qd2 b6=) 14...Nb4 15.Nc3 (< 15.Ba7 Be6 16.Qa4 Nc2–+) 15...Qa5 16.Bf3 (16.Rac1 Rfd8=) 16...Nc2 (16...b6 17.e4 Rfd8 18.Nd5 Nd5 19.ed5=) 17.Nd5 Bg5 18.Rad1 Nd4 19.Rd4 b5 20.h4 Bd8= 21.h5 Re8 22.h6 Bg6 23.a4 ba4 24.Ra4 Qc5 25.Bg4 Rc6 26.Bd7 Bc2+= 27.Qb2 Rg6? 28.Nf4+/– Ba4 29.Be8 Be8 30.Ng6 Bf6 31.Qb8 Qc6 32.Nf4 a5 33.Nh5 (33...Kf8 34.Nf6 Qf6 35.hg7 Qg7 36.Qd6 Kg8 37.Rc1+–) 1–0. Ruhle,Ernst_Olav – Cottarelli,Franco, corr ICCF TT/6/02/1, 2004.

10.d4 h6 11.Nc3 Re8 12.Ne5 (better is 12.dc5 dc4 13.Bc4 Bc5 14.Rc1=) 12...Qc7 (better is 12...cd4 13.ed4 Qb6=) 13.Nd5+/– Nd5 14.cd5 Nb4 15.Qb3 (15.Bb5!? Red8 16.Qf3+–) 15...cd4+= 16.ed4 Bc2 17.Qf3 f6 18.Nc4 (18.a3 Na6 19.Bb5 fe5 20.Be8 Re8 21.de5 Bg5+/–) 18...Qd7 Exerts pressure on the isolated pawn 19.Ne3 Bg6 20.a3 Na6 (20...Nd3 21.Bd3 Bd3 22.Rfd1+=) 21.Qg4 Qg4 22.Bg4 Rad8 23.Rac1 Bd6 24.Rfe1 Bf4 25.Bf3 (25.Be6 Bf7+/–) 25...Be4+= 26.Be4 Re4 27.g3 Be3 28.Re3 Re3 29.fe3 Rd5 30.Rc3 (30.e4 Rb5 31.Rc2 f5+=) 30...Kf7 31.Rb3 b6 32.e4 Rd7 33.Kf2 Nc7 34.d5 Ne8 35.Ke3 Nd6 36.a4 (36.Kf4 Nc4 37.Bc3 g5 38.Kf3 f5+=) 36...Nc4 (36...Re7!? 37.Ba3 Re4 38.Kf3 Nc4 39.Ke4 Nd2 40.Kd3 Nb3=) 37.Kd4 Nb2 38.Rb2 Ke7 39.Rc2 Kd8 40.e5 fe5 41.Ke5 Re7 42.Kd4 Rc7 43.Rf2 Ke7 44.Ke5 Rd7 45.Rc2 Kd8 46.d6 Rf7 47.Ke6 Rf6 48.Kd5 Rf5 49.Kc6 Rf7 (49...g5 50.Rc4+/–) 50.Rc4 (50.Re2 Rf5+/–) 50...Rf2 51.h4 Rf6? (51...g5 52.Re4+/–) 52.Rg4 (52.Rf4 Kc8 53.Rf6 gf6+–) 52...Rf7? (better is 52...g6+/–) 53.Rf4+– Rf4 54.gf4 Kc8 55.h5 a5 (55...Kd8+–) 56.Kb6 (56.d7 Kd8 57.Kd6 b5 58.ab5 a4 59.b6 a3 60.b7 a2 61.b8Q) 56...Kd7+– 57.Kc5 Kd8 58.Kc6 Kc8 59.d7 Kd8 60.Kd6 g5 (60...g6 61.hg6 h5 62.g7 h4 63.g8Q) 61.hg6 1–0. Osmak,Yulia – Barchuk,Irina, UKR–ch U12 Girls, 2009.

10.cd5 Nd5 11.d3 Bf6 12.Bf6 Qf6-/+ 13.Nbd2? Nc3–+ 14.Qe1 Nb4 15.Ne4 Be4 16.de4 Nc2 17.e5? Ne1 18.ef6 Ne2 19.Kh1 Nf3 20.gf3 Rfd8 (20...Rfd8 21.Rfb1 b6–+; 20...b5 21.Rfb1 Nc3 22.Rc1–+) 0–1. Innorta,Giuseppe – Saba,Maria, corr Italy, 1977.

10.cd5 Nd5 11.d4 Qb6 12.Qd2 Rad8 13.Na3 Qb4 14.Nc4 b5 15.Qb4 Ndb4 16.Nce5 Ne5 17.Ne5 c4 18.a3 Nd5 19.Nc6 Rd7 20.Ne7 Re7 21.Rfc1 Rc8 22.a4 c3–+ 23.Ba3 b4 24.Bf3 Be4 25.Bb2 Bf3 26.gf3 Rc6 27.Rab1 f5 28.Ba1 Ra6 29.Kg2 Ra4 30.Kg3 Ra2 31.f4 a5 32.Re1 Nf6 (32...Nf6 33.f3 Nh5 34.Kh3 Rf2 35.Bc3 bc3 36.Rb8 Kf7–+) 0–1. Kupec,J – Borrmann,F, CiF, 1996.

11.Qb3 Qb3 12.ab3 a6 13.Ne5 Rac8 14.Nc6+= Rc6 15.cd5 Rb6 16.Nd2 Nd5 17.Rfc1 cd4 18.Bd4 Bf6 19.Ra5 Bd4= 20.ed4 Be6 21.g3 Rd8=+ 22.Bc4 Kf8 23.Nf3 f6 24.Kf1 Rbd6=+ 25.Bd5 Bd5–/+ (25...Bd5 26.Rc3 Bf3 27.Rf3 Rd4–/+) 0–1. Mueller,Klaus – Vehvilainen,Pertti, corr, 1975.

11.Qb3 Rfd8 12.Nbd2 Be6 13.Rab1 dc4 14.Bc4 Qb3 15.ab3 Bf5 16.Ra1 cd4 17.Bd4 Ne4 18.Rfd1 Nd2 19.Rd2 Bg4 20.Be2 Bf6 21.Bf6 Rd2 22.Nd2 Be2 23.Bc3 Rd8 24.Rc1 f6 25.f3 Kf7 26.Kf2 Bb5 27.Ne4 b6 28.g4 a5 29.g5 fg5 30.Ng5+= Ke7 31.Rg1 Rd3 32.Ne4 g6= 33.Rg5 Ba6 34.h4 Kf7 35.h5 Nd8 36.Rg4 Ne6 37.hg6 hg6 38.Rh4 Nc5 39.Nc5 bc5= 40.Rh7 Ke6 41.Rg7+= Kf5 42.Rf7 Kg5+= 43.Be5 Kh5? 44.Bf4+– g5 45.Rf5 Rb3 46.Rg5 Kh4? 47.Rg6 (47.Rg6 Rb2 48.Ke1 Rb1 49.Kd2+–; 47.Rc5?! Rb2 48.Ke1 Re2 49.Kd1 Ra2+=) 1–0. Johansson,Ragnar – Hoegborg,Per_Goesta, corr SSKK, 1989.

11.Qc1 Rac8 =+.

10.Qb3 Na5 11.Qc2 dc4 12.Rd1 cd4 13.Nd4 Qb6 14.Ne6 Qe6 15.Bb2 b5 16.Na3 a6 17.Rac1 Nc6 18.h3 Nb4 19.Qb1 Rac8 20.Nc2 Qf5 21.Nb4 Qb1 22.Rb1 Bb4 23.Bf6 gf6 24.Rb4 Rc5 25.a4 Rfc8 26.ab5 ab5 27.Rdb1 Rb8 28.Bc4 1–0. Zimmer – Loots, corr (year?).

10.Ng5 Bf5 11.Nd2 Nd7 12.Ngf3 Nde5 13.Ne5 Ne5 14.de5 d4 15.e4 Bd7 16.Bd3 a6 17.f4 b5 18.f5 Bg5 19.Nf3 Be3 20.Kh1 Re8 21.g3 Bc6 22.Qc2 b4 23.e6 fe6 24.fe6 Re6 25.Kg2 Qc7 26.Rf2 Bf2 27.Kf2 Rae8 28.Re1 Qf7 29.Kg2 Rf6 30.Ng5 Qh5 31.Qd2 h6 32.Nh3 Re4 0–1. Sayder – Meyer, 1993.

9.0-0 (--> 8.0-0 Nc6 9.Bb2).

9.a3 d4 10.ed4 cd4 11.d3 Bc5 12.0-0=+ a5 13.Nbd2 a4 14.Re1 h6 15.Ne4 b6 16.Nfd2 Ra7 17.Bf3+= Ne5 18.Be2 Ng6 19.Nf6 Qf6 20.Ne4 Qd8 21.Bf1 f5 22.Ng3 f4 23.Ne4 f3 24.gf3 Raf7 25.Bg2 Nf4=+ 26.Nd2?? Qg5 (26...Qg5 27.Bd4 Qg2#) 0–1. Klarius,Gerd – Petrov,O, corr ICCF World Cup, 1989.

9.d4 cd4 10.Nd4 Bb4 11.Bc3 Qa5 12.Bb4 Qb4 13.Qd2 Nd4 14.ed4 (14.Qb4?? Nc2 15.Kf1 Nb4–+) 14...Qd2 15.Nd2 Re8 16.c5 Bf5 17.Nb3 (17.Nf1!?=) 17...Bd3-/+ 18.Nc1 Re2! 19.Ne2 Re8 20.Kd2 Be2 21.Rhe1 Bb5 22.Re8 Be8 23.f3 Kf8 24.Re1 Bb5 25.a4 Bc6 26.g4 Ng8 27.h4 Ne7 28.h5 a6 29.Ke3? (better is 29.Rb1+=) 29...Ba4–+ 30.Ra1 Bb5 31.f4 Nc6 32.Rb1 Ke7 33.f5 (better is 33.h6 gh6 34.Rh1–+) 33...h6 34.Kf4 Nd4 0–1. Arndt,Heiko (1715) – Schlichtmann,Gisbert (2240), Crailsheim op 4th, 1998.

9.cd5 Nd5 10.0-0 (--> 8.cd5 Nd5 9.0-0 Nc6 10.Bb2).

9.cd5 Nd5 10.Na3 a6 11.0-0 b5 12.d3 Be6 13.Nb1 Rc8 14.Nc3 Nb6 15.a4 b4 16.Ne4 c4 17.dc4 Nc4 18.Bd4 Qa5 19.Ned2 Nd2-/+ 20.Qd2 Rfd8 21.Qd3 Rd6 22.Qe4 g5 23.Rfc1 Bf5 24.Bb6 Be4 25.Ba5 Re8 26.Bb6 (26.Bc7 Rd7 27.Bg3 b3–/+). Grott,Peter (1945) – Arndt,Stefan (2070), DESC, 2000.

9.cd5 Nd5 10.Nc3 Bf6 11.Na4 Bb2 12.Nb2 Qf6 13.Na4 b6 14.0-0 Bb7 15.Rc1 Rad8 16.a3 Rd6 17.Qb3 Qe7 18.Nc3 Nc3 19.Qc3 Rfd8 20.Rfd1 Rg6 21.Ne1 Nd4 22.ed4 Qe2 23.dc5 bc5 24.Qe3 Ba6 25.d3= Qe3 26.fe3 Rc6 27.Rc3 Kf8 28.Rdc1 Rdc8 29.Nf3+= f6 30.Kf2 Kf7 31.d4 c4 32.Nd2 f5= 33.Nf3 Rb6 34.R1c2 Ke7 35.Ne5 Rb3 36.Ke2 Rc3 37.Rc3 Kd6 38.g4 g6 39.gf5+= gf5 40.Kf3 Kd5 41.Kf4 Rb8 42.Rc2 Rb3 43.a4 Rb1 44.Kf5+/– Rf1 45.Kg4 Ke4 46.Nc4 Rg1 47.Kh4 Kd3 48.Na3 Ke3 49.Rc7 Bd3 50.Ra7 Kf4 51.Rf7 Bf5 52.Kh5 Rg5 53.Kh6 Rg2 54.h4 Rg6 55.Kh5?? Ke4+/– 56.Re7 Kf4 57.Rf7 Rd6?? 58.Nb5+– Rd5 59.Nc3 Ra5 60.d5 Rc5 61.Ne2 Ke5 62.Kg5 Bg6 63.Rd7 Be4 64.Ng3 Bd5 65.Rh7 Rc4? 66.h5 Be6 67.Rg7 Rg4 68.Kh6 Ra4 69.Rg5 Kf4 70.Ne2 Kf3 71.Re5 Bg4 72.Kg5 Bh5= 73.Kh5 ½–½. Heinsohn,Thomas – Sawadkuhi,Massoud Amir, Oberliga Nord W Germany, 1998.

9.Bb2 Bf5 10.Na3 Rc8 11.d3 dc4 12.Nc4 b5 13.Nce5 Ne5 14.Be5 Nd7 15.Bf4 Nb6 Black plans c4 16.Rb1 a6 17.Qd2 c4 18.e4 cd3 19.Bd3 Be6 20.Rfd1 Bc4 21.Qe2 Qe8 22.Ne5 Bd3 23.Rd3 Bg5 24.Bg3 f5 25.f4 fe4 26.Qe4 Bf6 27.Re1 Be5 28.fe5 Qc6 29.Qc6 Rc6 30.e6 Nc4? (30...Re8 31.e7+=) 31.Bh4 (better is 31.e7 Re8 32.Rd8+–) 31...Rd6? (better is 31...Re8 32.e7 Rd6+/–) 32.Rd6+– (32.Rd6 Nd6 33.Be7+–) 1–0. Gorbatov,A (2375) – Bielczyk,J (2295), Open, Prague CZE, 2010.

9.Bb2 Bf5 10.d4 cd4 11.Nd4 Nd4 12.Bd4 dc4 13.Bc4 Rc8 14.Qb3 b6 15.Nd2 Bc5 16.Nf3 Be4 17.Rfd1 Qe7 18.Ne5 Bf5 19.Bc5 bc5 20.Qb2 Be6 21.f3 Rfd8 22.Rd8 Qd8 23.Be6 fe6 24.Qb7 Rc7 25.Qa6 Qc8 26.Rd1 h6 27.Qc4 Qe8 28.e4 Qe7 29.Qb5 Rb7 30.Qc6 Rc7 31.Qa8 1–0. Findiur,Igor (1975) – Saad,Avner (1780), ISR/C51 (ISR), 2012.

9.0-0 Bf6 10.Qc2 Nc6=+ 11.Bf6 Qf6 12.Na3 b6 13.Rac1 Bf5 14.Qb3 Rad8 15.Nc2 g5 16.Rfd1 g4=+ 17.Nfe1 Nde7 18.Qa4 Ng6 19.Bb5 Nce7 20.d4 Nd5 21.Qb3 Be4 22.Bd3 Bd3 23.Nd3 h5 24.Re1 h4 25.e4 Ndf4+= 26.e5 Qg5 27.Nf4+= Nf4 28.Qe3?? cd4–+ 29.Nd4 Rd4! 30.Qd4 Ne2!! (30...Ne2 31.Kf1 Nd4–+ (31...Nc1?! 32.Qc4=+)) 0–1. Sass,Andreas – Sawadkuhi,Massoud Amir (2270), Hamburg Wichern op 2nd, 1993.

9.Nc3 Nc6 10.Nd5 Qd5 11.Bc3 Bf5 12.0-0 Bd3 (12...Rfd8 13.Qa4+=) 13.Bd3= Qd3 14.Qb1 Qb1 15.Rab1 b6 16.Rfd1 Rfd8 17.Kf1 Rd3 18.Ke2 Rad8 19.Ne1 R3d6 20.f4 f5 21.Nf3 Kf7 22.h3 Rg6 23.Rg1 Bf6 24.Bf6 Rf6 (worse is 24...gf6 25.Nh4 Rh6 26.Nf5+=; worse is 24...Kf6 25.g4 fg4 26.hg4=) 25.g4 fg4 26.hg4 Rfd6 27.Rb2 h6 28.Rh1 Rd5 29.g5 hg5 30.Ng5 Kg8 31.Rg1 c4 32.Ne4 Kf7 33.Nc3 Rh5 34.Rg2 Rdh8 35.Rb5 Rb5 36.Nb5 Rd8 37.a4 a6 38.Nc3 Rd6 39.Rg5 g6 40.Ne4 Re6 41.Kf3 Ne7 42.Rg1 Rc6 43.Nc3 Rd6 44.Ne4 Rd8 45.Rc1 b5 46.ab5 ab5 47.Rb1 Rd5 48.Rb5! Rb5 49.Nd6 Ke6 50.Nb5 Nf5? 51.Na3 Nd6 52.e4 g5 53.e5 Nf7 54.Nc4 gf4 55.Kf4 Kd5 56.Ne3 Kd4 57.e6 Ne5 58.Kf5 Nc6 59.Kf6 Kd3 60.Nf1 Ke2 61.e7 (61.e7 Ne7 62.Ke7+–) 1–0. Melich,Jindrich (2080) – Krischke,Arnold (2075), CZE–chT2a, 2006.

9.Nc3 Nc6 10.Nd5 Ne5 11.Ne7 Qe7 12.0-0 Rd8 13.d4 Nf3 14.Bf3 cd4 15.ed4 Qd6 16.Re1 g6 (16...Qd4?? 17.Qd4 Be6 18.Qh4+–) 17.h3 Rb8 18.Qa4 a6 (18...Qd4? 19.Re8 Kg7 20.Qd4 Rd4 21.Rc1+–) 19.Re8 Re8 20.Qe8 Kg7 21.Qe5 Qe5 22.de5 Be6 23.a4 b5 24.Be2 b4 25.Ba6 b3 26.Rb1 Rb4 27.Rb2 Ra4–+ 28.Bd3 Ra2 29.Rb1 Rd2 30.Be4 b2 31.f3 f5 32.ef6 Kf8 33.Re1 Bb3 34.Bb1 Bc2 35.Ba2-/+ Bf5 36.Kf1? Rc2 37.f4? Rc1 38.g4 Re1 39.Ke1+= b1Q 40.Bb1 Bb1 41.Kf2 Kf7 42.Kg3? Kf6–+ 43.Kh4 Bc2 44.Kg3 Bb3 45.Kh4 Bf7 46.Kg3 h6 47.Kh4 Ke6 48.Kg3 Kd5 49.Kf3 Kd4 50.Kg3 Ke4 51.g5 h5 52.Kh4 Be6 53.Kg3 Bh3! 54.f5 Bf5 55.Kh4 Bc8 56.Kg3 Ba6 57.Kh3 Kf4 58.Kh4 Kf5 59.Kg3 Kg5 60.Kg2 Kg4 61.Kg1 Kg3 62.Kh1 Bb7 63.Kg1–+ h4 64.Kf1 h3 (64...h3 65.Ke2 h2 66.Kd3 h1Q 67.Kc4 Qd5 68.Kb4 Qd4 69.Ka3 Qc3 70.Ka2 Bd5 71.Kb1 Be4 72.Ka2 Qb4 73.Ka1 Qa3) 0–1. Olcum,Ahmet – Yuksel,Atilla Koksal (1905), Wch U12 Kemer, 2007.

9.Nc3 Nc6 10.Nd5 Ne5 11.Ne7 Qe7 12.d4 Nf3 13.Bf3 Rd8 14.d5 Bf5=+ 15.Qb3 Be4 16.Rd1 Bf3 17.gf3 Rd6 ½–½. Kretschmar,Heinz – Shephard,Chris CW, corr ICCF EU–chT2, 1978.

10.Bb2 b6 11.a3 Bb7 12.Qc2 Rc8 13.Rd1 Qd6 14.Qf5 g6 15.Qh3 Bf6 16.Nc3 Rfe8 17.Qh6 Nd4 18.ed4 Nc3-/+ 19.Bc3 Re2 20.dc5 Qc5–+ 21.Nd4?? Re4 22.h3?? Bg5 (22...Bg5 23.Ne6 Bh6 24.Nc5 bc5–+) 0–1. Schoenegg,Rolf (1775) – Stefanov,Parik (2330), Strassburg Weihnachts op, 2001.

10.Bb2 Be6 11.a3 Rc8 12.Nc3 Bf6 13.Qc2 Nd4 14.Qd1? Ne2 15.Qe2-/+ Nc3 16.dc3 Bc3?? 17.Bc3+– Bg4 18.h3 Bh5 19.g4 Bg6 20.Ne5 Qd6 21.f4 Be4 22.Rfd1 Qe6 23.Qc4 Qc4 24.Nc4 Rc7 25.Kf2 f6 26.Rd2 Bc6 27.Re1 (27.Nd6 b5+–). Orlik,Adam – Przybyla,Wlodzimierz, Czerniak mem11 corr9193, 1991.

10.d4 Ne5 11.Ne5 Bf6 12.Qc2 cd4-/+ 13.ed4 Nf4 14.Rd1 Bf5 15.Qc4?? Rc8–+ 16.Qb5 a6 17.Qb2 Rc2 18.Qc2 Bc2 19.Re1 Qd4 20.Na3 Ne2 (20...Ne2 21.Kf1 Ba4–+) 0–1. Fritz 5.32 – Fritz 8, 2004.

11.a3 Qc7 12.Nc3 Nf6 13.Rc1 Rad8 14.Qa4 a6 15.Rfd1 b5-/+ 16.Qb3 c4 17.Nb5=+ ab5 18.Qb5 Bd7 19.Qc4= Qb8 (19...Qd6 20.e4 Qb8 21.Rb1=). Bedbur,Heinz – Bothe,Erhard, corr SOK–90–57, 1990.

11.Nc3 Bf6 12.Na4 Bb2 13.Nb2 Qf6 14.Qb3 Rad8 15.Nd3 b6 16.Rac1 Rfe8 17.Rfd1 Re4 18.Nde1 Rb4 19.Qa3 Qb2 20.Qb2 Rb2 21.a4 Na5 22.Bf1 Nb3-/+ 23.Rc4 Nb4 24.Rf4 g6 25.d4=+ cd4 26.Nd4 Nd4 27.Rdd4 Rd4 28.Rd4 Rb1 29.e4 Be6 30.Nf3 Nc2 31.Rd6 Ne1 32.Nd2 Ra1= 33.f3 Ra4-/+ 34.e5 (34.e5 Ra2 35.Kf2–/+). Teichmann,Erik (2290) – Neckar,Lubomir (2355), Bern op, 1991.

11.Qc1 Bb2 12.Qb2 Qe7 13.Nc3 Be6 14.Bb5 Rac8 15.Bc6 Rc6 16.Rfb1 Rc7 (16...Rb6!? 17.Nd5 Bd5=+) 17.Nb5= Rd7 18.Na7 f5 (18...Bf5!? 19.Rd1 Rfd8+=) 19.Ne5+/- Rc7 20.Nb5 Rcc8 21.Rc1 Rce8 22.d4 b6 (22...cd4!? 23.Nd4 f4+/-) 23.dc5+- bc5 24.Nc6 Qg5 Black plans f4 25.Rc5 Rc8 (25...Nb6 26.Qd2 Rf7 27.Nd6+-) 26.Nd6 (26.Rac1 f4 27.e4 f3+-) 26...Rc7 27.a4 f4 (27...Ne7 28.Qe5 Qg6 29.Ne7 Re7 30.a5+-) 28.e4 Rd7?? (better 28...f3 29.g3 Qg4+/-) 29.Nc4 (29.ed5?! Bh3 30.f3 Rd6+-) 29...Re8 30.N4e5 (30.Rd5?! Rd5 31.ed5 Bd5+=) 30...Rc7 31.h4 Qh5 (31...Qf6 32.ed5 Bd5 33.Rd5 Rc6+-) 32.ed5 Bg4 (32...Bd5 33.Qb6 Rc6 34.Nc6+-) 33.Rc4 (better 33.Qb3 Rc6 34.dc6 Be6+-) 33...Qh4 (33...Bc8 34.d6 Rb7 35.Qd4+-) 34.Rf4 Rc6 35.Nc6 (better 35.Rg4 Qh5 36.dc6 Qe5 37.Qe5 Re5 38.Rc4+-) 35...Re2 (35...Qg5 36.Qd2 h6+-) 36.Qb8 Re8 (36...Bc8 37.Qc8 Qd8 38.Qd8 Re8 39.Qe8) 37.Qe8 1-0. Bonetti,Shane – Socket, ICC, 2002.

11.Qc1 Ndb4 12.Bf6 Qf6 13.Nc3 Bf5 14.a3 Na6 (14...Nd3 15.Qb1 Nf4 16.Qb7 Ne2 17.Ne2=) 15.Na4 Na5 16.Ra2 (16.Ba6 Nb3 17.Qc4 Na1 18.Bb7 Be6+=) 16...Rac8 (16...c4 A) 17.Bc4? Rac8-+ (17...Nc4?! 18.Qc4 Be6 19.Qc2-/+); B) 17.Qb2 Qd8 18.Nd4=) 17.Qb2 Qc6 18.Bb5 Qd6 19.Qc3 Qd8 20.Rb2 Nb8 21.d4 (21.Qe5 Bg4 22.Nc5 a6-/+) 21...cd4= 22.Qd4 Qd4 23.Nd4 Be4 24.f3 Bd5 25.Rd1 Nc4 26.Bc4 Rc4 27.Rb4 b6 (27...Rb4 28.ab4 Nc6 29.b5+=) 28.e4 (28.Rc4!? Bc4 29.Rc1+/-) 28...Rb4+= 29.ab4 Bb7 30.Nf5 f6 31.Rc1 Rd8 32.Nc3 (32.Rc7 Rd7 33.Rd7 Nd7+/-) 32...g6+= 33.Ne7 Kf7 34.Ned5 Rd7 (34...a5 35.Rb1 Bd5 36.Nd5+/-) 35.b5 Rd6 36.Ra1 a6 37.ba6 Ba6 38.Kf2 (38.Rb1 Nd7+=) 38...Bc4+= 39.Ra8 Nd7 40.Ra7 Bd5 (40...Ke6 41.Ke3+=) 41.ed5 (41.Nb5!? Ke6 42.Nd6 Kd6 43.ed5+-) 41...f5 42.Ke3 g5 43.h3 Ke7 44.g4 (44.Kd4 Rh6+=) 44...fg4 (44...b5 45.Rb7 Rb6 46.Rb6 Nb6 47.gf5+=) 45.hg4+= b5 (better 45...h6!?+=) 46.Kd4+- (46.Nb5?! Rd5 47.Nc3 Rc5+=) 46...Rb6 (46...Rh6 47.Nb5 Rh1 48.Nc3+-) 47.Ne4 b4 48.Nc5 (48.Ng5?! b3 49.Ra1 b2+/-) 48...b3 (48...Rd6 49.Kc4+-) 49.Rd7 (49.Nd7 b2 50.Nb6 Ke8 51.Ra8 Kf7+/-) 49...Ke8 (49...Kf6 50.Ne4 Kg6 51.Nc3+-) 50.d6 (50.Rh7 b2 51.Rh1 b1Q 52.Rb1 Rb1+-) 50...b2 51.Re7 Kf8 52.Nd7 Kg8 53.Nf6 (53.Nb6 b1Q 54.Nc4 Qd1 55.Kc5 Qg1 56.Kc6 Qc1+-) 53...Kf8 54.Nh7 Kg8 55.Nf6 Kf8 56.Nd7 (better 56.Re1!? Rd6 57.Nd5 Rd7+-) 56...Kg8 57.Nb6 b1Q 58.Kc5 (58.Nc4 Qg1 59.Kd5 Qd1 60.Kc5 Kf8+-) 58...Qc1 (58...Qg1 59.Kc6 Qc1 60.Kb7+/-) 59.Nc4 Kf8 60.Re4 Qa1? (60...Qd1+-) 61.d7 Qa7 62.Nb6 Qa3 (62...Qc7 63.Kb5 Kf7+-) 63.Kc6 (63.Kc6 Qc1 64.Nc4+-) 1-0. Volke,Karsten (2480) - Schaefer,Markus (2460), Bundesliga, 1994.

11.Qc1 Re8 12.Na3 b6 13.d4 (13.Rd1!?=+) 13...Nd4!-/+ 14.Nd4 (14.ed4 Exploits the pin 14...Re2 Annihilates a defender: e2) 14...cd4 15.Bb5 de3 (better 15...Bd7!? 16.Bd4 Bd4 17.ed4 Bb5 18.Nb5 a6-/+) 16.Be8 Qe8 17.Bf6 ef2 18.Rf2 Nf6 19.Qf4 Be6 20.Nc4 Qa4 21.Nd6 Qf4 22.Rf4 Nd5 23.Rd4 Nc3 24.Rd3 Rd8 25.Rc3 Rd6 26.Re1 The mate threat is Rc8 26...g6 27.Re2 b5 28.Kf2 b4 29.Rc5 Ra6 30.Rb5 (better 30.Rcc2!?=) 30...Ra4-/+ (30...Ra2 31.Ra2 Ba2 32.Rb4+/-; 30...Ba2?! 31.Rb4 Kg7 32.g4=) 31.Rb2 a5 32.Ke3 (32.Rc2 Kg7-/+) 32...Ba2 (32...Bc4 33.Re5-+) 33.Kd4 Be6 34.Rb8 (better 34.Kc5!?-/+) 34...Kg7-+ 35.Ra8 0-1. Teichmann,Erik (2310) - Allen,Keith (2225), GBR-ch73 Southampton ENG, 1986.

11.Qc1 Bg4 12.Nc3 b6 13.Rd1 Rc8 14.h3 Bh5 15.Ne4 Bb2 16.Qb2 Bg6 17.Ng3 Qf6 18.Qf6 Nf6 19.d4 cd4 20.Nd4 Nd4 21.Rd4 Rfd8 22.Rd8 Rd8 23.Rc1 h5 24.Bb5 Rd2 25.a4 Ra2 26.Ne2 a6 (better 26...Ne4!?=) 27.Nc3+/- (27.Ba6?! Ra4 28.Bc4 Ra5=) 27...Rb2 28.Ba6 Bc2 29.Nd1 Bd1 30.Rd1 g5 31.Rd4 Kf8 32.Bb5 Ke7 33.g4 h4 34.Kg2 Ke6 35.Kf3 Ke5 36.Rd8 Nd5 (36...Rc2 37.Rb8 Nd5 38.Re8 Kd6 39.Rg8+-) 37.Rf8 (37.Bc4!? Nc3+-) 37...f6+/- 38.Re8 Kd6 39.Rf8 Ke5 40.Rc8 Ne7 41.Rc7 Kd6 42.Rd7 Ke6 43.Rd3 Ng6 (43...Rc2!?+/-) 44.Rd8+- Ne5 45.Kg2 Nf7 46.Rb8 Nd6 47.Rb6 Ke5 48.Rb8 f5 (48...Ne4 49.Re8 Kd5 50.Bc4 Kc4 51.Re4 Kd5 52.Re8+-) 49.gf5 Nf5 50.Re8 Kf6 51.Bd7 Ne7 52.Ra8 Nd5 53.Kf3 Nc3 54.Ra6 Ke7 55.Bf5 Nd1 56.Kg4 Rf2 57.Kg5 1-0. Fernandez,Dan SIN (2385) - Eames,R (2220), Bedford ENG, e2e4 Open, 2013.

11.Nc3 Ndb4.

11.Nc3 Nc3 12.dc3 Bf5 13.Qb3 Qb6 14.Nd2 Na5 15.Qb6 ab6 16.e4 Be6 17.f4 Rfd8 18.Rfd1 b5 19.Bb5 Bg4 20.Nf3 Bf3 21.gf3 Kf8 22.Kf2 c4 23.Ke3 Be7 24.Rd5 Rd5 25.ed5 Bc5 26.Ke2 Ke7 27.Rd1 Kd6 28.a4 Rg8 29.Bc1 h6 30.f5 Ke5 31.Bd7 Nb3 32.Be3 Be3 33.Ke3 Nc5 34.f4 Kf6 35.Kd4 Nd7 36.Kc4 Rc8 37.Kd4 Kf5 38.c4 Nc5 39.Re1 Na4 40.Re7 Nc5 41.Rf7 Kg6 42.Re7 Kf6 43.Re3 g6 44.d6 Rd8 45.Kc5 Kf5 46.Kd5 Kf4 47.Re7 g5 48.Rb7 h5 49.Rf7 Ke3 50.Rf5 Rg8 51.c5 g4 52.c6 h4 53.c7 g3 54.hg3 hg3 55.Rf1 Ke2 56.Rb1 g2 57.d7 1–0. polynesia46 (1670) – wieniawskia (1830), internet, 2013.

11.Nc3 Nc3 12.Bc3 Bc3 13.dc3 Bf5 14.Qd8 (14.Qa4 Qe7=) 14...Rfd8 15.Rfd1 b6 16.a4 Bc2 17.Rdc1 Bb3 (17...Bd3 18.Kf1=) 18.Kf1 (18.Rcb1 Bd5=) 18...Rd7 (18...Rd6 19.Bb5=+) 19.Ke1 (19.Bb5 Rd6=) 19...Bd5 (19...Na5 20.Rcb1=+) 20.Rab1 (20.Rd1 Rdd8=) 20...Rad8 21.Bb5 Rd6 22.Rb2 (22.Rd1 Bf3 23.gf3 Ne5 24.Rd6 Rd6=+) 22...Rg6 (22...Bf3!? 23.gf3 Ne5-/+) 23.Nh4 Rh6 24.Bc6 (better 24.Rd2!? Be4 25.Bc6 Rd2 26.Be4 Rh4 27.Kd2 Re4 28.a5=) 24...Bc6-/+ (24...Rc6?! 25.Rd1 Rcd6 26.Nf5=; 24...Rh4? 25.Rd1+-) 25.Nf5 Re6 26.a5 Bg2 27.ab6 ab6 28.Ra1 Bf3 29.Ng3 g6 (29...Red6 30.Rbb1-+) 30.Ne2 (30.Nf1 g5-/+) 30...Red6 31.c4 Bg4 (31...g5!?-+) 32.Nc3-/+ Be6 (32...Rd3 33.Ne2-/+) 33.Nd5 Attacks the backward pawn on b6 (33.Ne4!? Bc4 34.Nd6 Rd6 35.Rd2=+) 33...Bd5-/+ 34.cd5 Rd5 35.Rb6 R5d6 36.Rb7 R8d7 37.Rb8 Rd8 38.Rb7 R8d7 ½-½. Mely (2555) - Kegan (2215), ChessWorld.net, 2012.

11.Nc3 Nc3 12.Bc3 Bc3 13.dc3 Qf6 14.Qd5 (14.Qb3 b6=) 14...b6 (14...Qc3 15.Rfc1 Qb2 16.Bc4=) 15.Rfc1 Rd8 16.Qg5 (16.Qe4 Bb7 17.Qc2 Rd6=+) 16...Qg5=+ 17.Ng5 h6 18.Nf3 Be6 19.a3 Bb3 (19...Rd6 20.Rd1 Rad8 21.Rd6 Rd6 22.h3=) 20.Rab1 (20.c4 Rd7=+) 20...Na5 21.Kf1 Rd6 22.Ke1 (22.Re1 Rad8=+) 22...Rad8=+ 23.c4 (23.Rb2 Bc4=+) 23...Ba4 24.Rb2 Kf8 (24...Bc6 25.Rcc2=+) 25.Rd2 Ke7 26.Rd6 Rd6 27.h4 a6 28.g3 Ke6 (28...Bc6 29.Nd2=+) 29.Rb1= Bc2 30.Rb2 Bd3 (better 30...Bg6=) 31.Rb6?? (better 31.Bd3 Rd3 32.Rb6 Ke7 33.Ra6 Nc4 34.Ra7 Kf6 35.Ra4 Na3 36.Ke2+/-) 31...Rb6-+ (31...Bc4?! 32.Rb8=+) 32.Bd3 0-1. Dopper,Johan (2175) - Etmans,Maarten D (2245), NBC Email, 2000.

11.Nc3 Be6 12.Na4 (12.Rb1 Ncb4=+) 12...Bb2 13.Nb2 Qf6 14.Qb1 Rad8 15.Nc4 b6 16.a3 Rfe8 17.Qb2 Nd4?? (17...Qb2 18.Nb2 Kf8 19.Rfc1-/+) 18.Nd4?? (18.ed4 Nf4 19.Rfe1 Ne2 20.Re2 Bc4 21.Re8 Re8 22.Qc3=+) 18...cd4=+ 19.Rac1 (19.Qd4?? Qd4 20.ed4 Nf4-+) 19...Bf5 20.Rfe1 Qg6 21.Bf3 Be4 (21...de3 22.Ne3 Be4 23.Nd5 Bf3 24.Re8 Re8 25.Ne7 Kf8 26.Ng6 hg6 27.gf3+-) 22.Be4 Re4 23.f3 Ree8 24.Qd4 Nb4 (24...b5 25.Ne5 Qe6 26.Nc6+=) 25.Ne5 (25.Qg4 Qg4 26.fg4-/+) 25...Rd4= 26.Ng6 Rd2 27.Ne7 Kf8 28.ab4 Ke7 (28...Re7 29.Rc8 Re8 30.Re8 Ke8 31.Ra1=) 29.Rc7= Rd7 30.Rd7 Kd7 31.Ra1 (31.b5 Rc8=) 31...Ra8 (31...a5!?=) 32.b5+= Kc7 33.Kf2 Kb7 34.e4 (34.Rd1 Rc8+=) 34...Rc8 (34...a5 35.Ra4=) 35.Ra2 (35.Ke3 Rc2 36.Rd1 a5=) 35...Rc5= 36.Rb2 a5 37.ba6 Ka6 38.Ke3 b5 39.Kd4 Kb6 40.f4 White prepares the advance e5 40...Kc6 41.g3 Rc4 42.Kd3 Kc5 Black prepares b4 43.e5 g6 (43...b4 44.f5=+) 44.Ra2 (44.h3 b4 45.Rb3 h6=) 44...Rd4 45.Ke3 Rd7 46.g4 (46.Rc2 Kb4=) 46...b4 47.Rc2 Kb5 48.f5 (48.h4 h5 49.gh5 gh5=) 48...b3 49.Rg2 (49.Rb2 Kc4 50.e6 Re7-/+) 49...Kc4 50.Kf4 (50.e6 Re7-/+) 50...Rb7 51.Rb2 Kc3 52.Rb1 b2 (52...Kc2 53.Rf1 b2-+) 53.e6=+ f6 (53...Kc2 54.Rf1 fe6 55.Rf2 Kd3 56.Rb2 Rb2 57.f6-+) 54.g5 (better 54.Ke3=) 54...fg5 55.Ke5? (55.Kg5 Kc2 56.Rb2 Rb2 57.e7+=) 55...Rb5 (55...gf5!? 56.Kf5 Kc2 57.Rb2 Rb2 58.e7-+) 56.Kf6 Rf5 (56...Rf5 57.Ke7 Kc2-+) 0-1. Lindner,Jan Joost - Ligterink,Gert, Rotterdam tt, 1989.

11.d4 Re8 12.Qd2 Qb6 13.Na3 (13.Nc3 Qd8=) 13...cd4=+ 14.Nd4 Qb4 (14...Nd4 15.Bd4 Bd4 16.ed4=+) 15.Qb4= Ndb4 16.Nab5 Bd4 (16...Nc2 17.Rad1 a6 18.Nc2 Bb2 19.Nc7+-) 17.Bd4 (17.Nd4 Nd4 18.Bd4 Nc6+=) 17...Nc2 (17...a6 18.Nc7 Nd4 19.ed4 Re2 20.Na8 Na2+/-) 18.Nc7 (better 18.Rad1!?+=) 18...N6d4-/+ 19.Bd3 (19.ed4!? Re2 20.Na8 Na1 21.Ra1=+) 19...Bf5-+ 20.Ne8? (better 20.Bf5 Nf5 21.Rac1-/+) 20...Bd3 (20...Re8?! 21.Bf5 Nf5 22.Rad1-/+) 21.Rfd1 (21.ed4 Bf1 22.Rb1 Bg2 23.Nf6 gf6 24.Kg2 b6-+) 21...Ne2 22.Kf1 Nc1 (22...Re8?! 23.Rd3 Nf4 24.Rd7 Na1 25.ef4-+) 23.Kg1 Na1 (23...Re8?! 24.Rac1 Bf5 25.Kf1-/+) 24.Nc7 (24.Nd6 Na2 25.Nb7 Rc8 26.Ra1 Rc2-+) 24…Rc8 (24...Rc8 25.Rc1 Nc2-+; 24...Ne2!? 25.Kh1 Rd8 26.Ra1-+) 0-1. Pihajlic,Amalija (2175) - Markovic,Gordana (2235), YUG-ch (Women), 1989.

11.d4 Bg4 12.Nc3 =+.

11.d4 Bg4 12.Nbd2 (12.Nc3!?=+) 12...cd4-/+ 13.Nd4 Be2 14.Qe2 Nd4 15.Bd4 Bd4 16.ed4 Nc3 17.Qd3 Qd4! 18.Qd4 Ne2 19.Kh1 Nd4 20.Nb3 Rfd8 (20...Nc6 21.Rfd1-/+) 21.Rfd1 (21.Nd4 Rd4 22.Rfd1 Rad8 23.Rd4 Rd4-/+) 21...Nb3 22.ab3 a6 23.g3 Kf8 24.Kg2 Rac8 25.Rac1 Rd1 26.Rd1 Rc3 27.b4 Rc4 (27...Ke7 28.Rd4-/+) 28.Rb1? (28.b5 Ke7 29.ba6 ba6=+) 28...Rc6 (28...Ke7 29.Kf3-+) 29.Kf3 Ke7 30.Rb2 Kd7 (30...Rc4 31.Ke2-/+) 31.Ke4 Kc7 32.b5? (better 32.Kd3-/+) 32...Re6-+ 33.Kd4 Rd6 34.Kc4? (34.Ke5 f6 35.Kf4-+) 34...Rb6 35.Re2 ab5 (better 35...Rb5 36.Re7 Kb6 37.Rf7 Rc5 38.Kb4 Rc7-+) 36.Kb4 Re6 37.Rd2 Kc6 38.Rc2 Kb6 39.Rd2 Rf6 40.h4 Rf3 41.Rd6 Kc7 42.Rd2 Kc6 43.Rc2 Kb6 44.Rd2 g6 45.Rd6 Kc7 46.Rd2 Kc6 47.Rc2 Kb6 48.Rd2 h5 49.Rd6 (49.Rc2 Rd3-/+) 49...Kc7-+ 50.Rd2 Kc6 51.Rc2 Kd5 (51...Kb6 52.Rd2 Rf6 53.Re2-/+) 52.Rd2 (52.Rb2 f5 53.Kb5 f4 54.gf4 Rf4-+) 52...Ke6 (52...Ke4 53.Re2 Kf5 54.Kb5 Kg4-+) 53.Kb5=+ Kf5 54.Kc4 0-1. Walter,Gerhard - Dittmar,Peter, 14th Festival Internazionale, 2010.

11.d4 Bg4 12.Ne5 (12.Nc3!?=+) 12...Be2-/+ 13.Qe2 cd4 Opening the c-file gets Black a lot of play 14.Nc6 bc6 15.Bd4? (15.ed4 Rb8 16.Rd1 Re8-+) 15...Bd4 (better 15...Ne3!? 16.Bf6 Qf6 17.Qe3 Qa1-+) 16.ed4-/+ Nf4 17.Qf3 Qd4 18.Na3 (18.Nc3 Rfd8-/+) 18...Rfe8 (18...Qf6 19.Nc2-/+) 19.Qc6 Black creates threats along the open c-file 19...Rac8 (19...Qe5 20.Rad1-/+) 20.Qb7 (20.Rae1!? Ne6 21.Qf3=+) 20...Qc5 21.Qf3 Qe5 (21...Qe5 22.Qb7 Rc3-/+) 0-1. Cottarelli,Franco - Primavera,R, corr, 1970.

11.Bf6 gf6 12.Nc3 +=.

11.Bf6 Nf6 12.Na3 (12.Qc2 Qe7= 13.a3 g6 14.Rc1 b6 15.Nc3 Rd8; 12.Nc3 Bf5 13.Rc1 Qa5 14.Qb3 b6 15.Nd5 Nd5; 12.Qb3 a6 (12...Qc7 13.Nc3 Be6 14.Qa3 Nb4 15.Rac1 a5; 12...Qe7 13.Nc3 Be6 14.Qa4 a6 15.Qh4 b5) 13.Rc1 Qc7 14.Rc5 Be6 15.Qc2 Qd6) 12...Be6 (12...Qe7 13.Qc2= Bg4 14.h3 Nb4 15.Qb2 Bf3; 12...Bf5 13.Qb3 Qe7 14.Nc4 Rad8 15.g3 h6) 13.Nc2 (13.Qc2 Qe7= 14.Rac1 b6 15.Nc4 Bd5; 13.Qb1 Qe7 14.Nc4 Bd5 15.Qb2 Ne4) 13...Qc7 (13...Qe7 14.d4=+ Rac8 15.dc5 Ne4; 13...Ne4 14.Na3 Nb4 15.d4 Na2) 14.d4 (14.Qb1 a6 15.Qb2 b5) 14...Rad8 (14...Rfd8 15.Qc1=+ (15.Na3 Rac8) 15...Ne4) 15.Qc1= (15.Na3 Qe7) 15...Qe7 (15...Ne4 16.Qb2=) 16.dc5 Qc5 (16...Rd5 17.Ncd4=) 17.Ncd4 Qc1 (17...Qd6 18.Nc6 Qc6 19.Nd4=) 18.Rfc1 Bd5 19.Nc6 bc6 20.Nd4 Rc8 21.Ba6 (21.Rc2 c5 22.Rac1 Ne4+/-) 21...Rc7= 22.f3 (22.Bc4 Rfc8=) 22...c5 (22...Rd8 23.Rc2=) 23.e4 Ba8 (23...Be6 24.Ne6 fe6 25.Rab1=) 24.Rc2 (24.Rc3+=) 24...Rd8 (24...Nd7!?+=) 25.Nb3+/- Rd6 (25...Nd7 26.Bb5+/-) 26.Rc5+- Rc5 27.Nc5 Rc6 28.Rd1 h6 (28...g5!?+-) 29.Rd8 Kh7 30.Ra8 Rc5 31.Ra7 Ra5 32.e5 Re5 33.Rf7 (33.Bd3 Kg8 34.Bc4 Kh7+-) 33...Nd5 (33...Kg6 34.Rb7 Nd5 35.Rb3+-) 34.Bd3 Kg8 35.Rf5 Rf5 36.Bf5 Kf8 37.Kf2 (37.a4 Ke7+-) 37...Ke7 (37...Nc3 38.a3+-) 38.Bc2 (38.a4 Kd6+-) 38...Kd6 39.Bb3 Nc3 40.Ke3 Nb5 (40...Nb1 41.f4+-) 41.Ke4 Ke7 (41...Na3 42.Kf5 Ke7 43.Kg6+-) 42.Kf5 (42.a4 Nd6 43.Ke5 Nb7+-) 42...Kf8 (42...Nd4 43.Ke5 Nc6 44.Ke4+-) 43.Kg6 (43.Ke5 Na3+-) 43...Na3 (43...Nd4 44.Bd5+-) 44.Bd5 (44.f4 Nb5+-) 44...Nb1 (44...Nc2 45.Be4 Na3 46.h4+-) 45.Be4 (45.a4!? Na3+-) 45...Na3 46.Bd3 1-0. Tirado Parra,Alberto (1890) - Yu,Ruiwei (1620), Tres Cantos op, 2011.

12.a3 Rc8 13.Nc3 (13.Bf6 Qf6 14.Nc3 (14.Ra2 Rfe8 15.Qb2 Rcd8 16.Qf6 Nf6 17.Rb2 b6=-0.25) 14...Nb6 15.a4 Na5 16.Qb2 c4 17.Nd4 Rfd8= -0.13; 13.Re1 A) 13...Re8 14.d3 (14.Bf6 Qf6 15.Nc3 Nb6 16.Nb5 a6 17.Nc3 Na5=+ -0.47; 14.Nc3 Nb6 15.Nb5 Bb2 16.Qb2 c4 17.Rac1 a6=+ -0.34) 14...Qd6 15.Nbd2 b6 16.Nc4 Qc7 17.e4 Nf4+= 0.44; B) 13...Qe7 14.d3 (14.Nc3 Nb6 15.e4 Bg4 16.a4 Bf3 17.Bf3 Nd4=+ -0.38; 14.Bf6 Nf6 15.Qb2 Rfd8 16.d4 Ne4 17.Nbd2 Nd2=+ -0.41) 14...Rfe8 15.e4 Nd4 16.Bd4 cd4 17.Qd2 Ne3= 0.19; C) 13...c4 14.Bf6 (14.Nc3 Nb6 15.e4 Bg4 16.Rb1 Re8 17.h3 Bf3=+ -0.69; 14.Bc3 b5 15.Bf6 Nf6 16.Qb2 a6 17.a4 Rb8-/+ -0.84) 14...Qf6 15.Nc3 Nce7 16.e4 Nc3 17.Qc3 Qc3= -0.09) 13...Na5 (13...Nb6 14.Nb5 (14.e4 Bg6 15.d3 Nd4 16.Qd1 Nf3 17.Bf3 c4-/+ -0.97; 14.Nb1 Nd4 15.ed4 cd4 16.Nc3 dc3 17.Bc3 Nd5-/+ -1.25) 14...a6 15.Bf6 Qf6 16.Nc3 Nd4 17.ed4 cd4=+ -0.31; 13...Nc3 14.Bc3 (14.dc3 Qb6 15.Nd2 Rcd8 16.Rd1 Rfe8 17.Ra2 Ne5=+ -0.53) 14...Nd4 15.Bd1 Bd3 16.Re1 Nb5 17.Bf6 Qf6= -0.19; 13...Nc7 14.d3 (14.Na4 b6 15.d4 Na5 16.Qd1 c4 17.Nc3 Re8=+ -0.34; 14.e4 Be6 15.Rb1 Nd4 16.Re1 Qd7 17.Nd1 b6=+ -0.53) 14...Re8 15.Rd1 b5 16.Nd2 Bc3 17.Qc3 Ne6= 0.22) 14.Nd5 (14.Ra2 Re8 15.Re1 a6 16.Qa1 Nb6 17.a4 Nbc4-/+ -1.00; 14.Qd1 Re8 15.Bb5 Nc6 16.Nd5 Bb2 17.Ra2 Be5=+ -0.69) 14...Bb2 15.Ne7 (15.Qb2 Qd5 16.d3 Qd6 17.d4 Be4= 0.19) 15...Qe7 16.Qb2 a6 (16...c4 17.Nd4 Be4= -0.19) 17.d4 (17.Qc3 Qd8= -0.09) 17...c4 18.Qc3 Nb3 19.Ra2 b5 20.Bd1 Rfd8 21.Qb4 Qb7 22.Bb3 cb3 23.Rb2 Be4 24.Qb3 (24.Ne1!?=+) 24...Bf3-/+ 25.gf3 Qf3 26.Qd1 Qh3 27.f3 (27.a4 ba4 28.Qe2 Rd6-/+) 27...Rd6 28.Rg2 Rc3 29.Qd2 Ra3 30.Qb4? (better 30.d5!? Rb3 31.Qd4-/+) 30...Ra2!-+ 31.Rff2?? (31.Ra2 Rg6) 31...Ra1 32.Rf1 Rg6 (32...Rg6 33.Qd2 Rf1 34.Kf1 Rg2 35.Qg2 Qg2 36.Kg2 b4-+) 0-1. Orlik,Adam - Lewandowski,M, corr Poland, 1989.

12.a3 Re8 13.Bf6 (13.Re1 Rc8=+) 13...Qf6 (worse 13...Nf6 14.Qc5 Bd3 15.Bd3 Qd3 16.Nc3+/-) 14.Nc3 Nc3 (14...Rad8 15.Nd5 Rd5 16.Qc3=+) 15.Qc3= Qc3 16.dc3 Red8 (16...a6 17.Rfd1 Rad8 18.a4=) 17.Rad1 (17.Rfd1 Bc2 18.Rd8 Rd8=) 17...Bc2 18.Rc1 (18.Rd8 Rd8 19.Rc1 Bd3 20.Bd3 Rd3=) 18...Bb3 (18...Bd3 19.Rfe1=+) 19.Rb1= Na5 20.Rb2 b6 21.Nd2 Bd5 (21...Be6 22.h4=) 22.e4 Bc6 23.f4 Rd7 24.e5 (24.Kf2 Rad8 25.Ke3 f5=+) 24...Rad8 25.Nf3 (25.Nc4 Nb7=) 25...Be4 (25...Kf8 26.Kf2=) 26.Rf2 (26.Kf2 Bd3=) 26...h6=+ 27.h4 Bf5 (27...Kf8 28.Bb5 Rd5 29.Kf1=+) 28.Kh2 (28.Bb5 Rd1 29.Rf1 Rf1 30.Bf1 Rd1=+) 28...Be6 (28...Rd5 29.Ne1=) 29.Bb5 Rd1 30.Nd2 (30.Rfd2 Nc4 31.Rd8 Rd8 32.Bc4 Bc4=) 30...Rc1 31.Rf3 Rd1 (31...Ra1 32.a4=+) 32.Rf2 Bf5 33.Ra2 Bd3 34.Bd3 Rd3 35.Ne4 Nc4 36.Rf3 (36.Rfe2 Rc1=+) 36...Rf3-/+ 37.gf3 Rd5 (37...Kf8 38.Kg3-/+) 38.Kg2 (38.a4 Kf8=+) 38...Ne3 (38...b5 39.Kf2-/+) 39.Kf2 Rd3 40.a4 c4 41.Kg3 (41.a5 b5-/+) 41...h5 42.Nd6 Rc3 43.a5 b5 44.Ra1? (better 44.Nb5 Nf5 45.Kf2-/+) 44...b4 45.f5 b3 46.Rb1 Kf8 47.Kf4 Rd3 48.Ke4 (48.a6 Nd5 49.Kg3 Nb6-+) 48...Nc2 The mate threat is Rd4 49.f4 Rd2 50.f6 (50.Nb5 a6 51.Nc7 Na3-+) 50...Na3 (50...gf6 51.Kf5 Na3 52.Rf1 fe5 53.fe5-+) 51.fg7 Kg7 52.Rg1 Kf8 53.f5 (53.Ke3 c3 54.Rc1 Nc2 55.Ke4 b2-+) 53...c3 (53...b2 54.Nc8 a6 55.e6 fe6 56.fe6 b1Q 57.Rb1 Nb1 58.Nb6-+) 54.Nf7 (54.Nc8 b2 55.e6 b1Q 56.Rb1 Nb1-+) 54...Kf7 55.e6 Ke7 56.Rg7 Kd6 (56...Kd6 57.f6 b2-+) 0-1. Svensson,Jan - Luzuriaga,Norberto Horacio, corr or01-005 E-mail, 2001.

12.Na3 Bb2 13.Qb2 Ndb4 (13...Qe7 14.d4=+) 14.Nc4 (14.d4 cd4 15.Nd4 Nd4 16.ed4 Re8=) 14...b6 15.d4 cd4 16.ed4 The passed pawn on d4 quickly leads to threats 16...Nd3 17.Qc3 Nf4 18.Rfe1 Rc8 19.Qd2 (19.Qe3 Ne2 20.Re2 Be6=+) 19...Ne2 20.Re2 Bg4 21.Nce5 Ne5 22.de5 Bf3 23.gf3 Qh4 24.Rc1 Qh3 25.Rc8 Rc8 26.Re3 h6 27.Rc3 Rc3 28.Qc3 Qf5 29.a3 b5 30.Kg2 a6 31.h3 f6 32.f4 Qe6 (32...Qf4 33.Qc8 Kh7 34.e6-/+) 33.Qc7 Kf8 34.Kg3 fe5 35.fe5 g5 36.f3 Qe7 37.Qc8 Kg7 38.Qc3 a5 39.e6 Kg6 ½-½. Muri,Heinrich - Stankevicius,Lionginas, corr ICCF EM/MN/066, 2003.

12.Na3 b6 13.Rd1 Rc8 14.d3 (14.d4 cd4 (14...Ncb4 15.Qd2 Qe7 16.Nb5 Be4 17.dc5 Bb2 18.Qb2= -0.25; 14...Re8 15.dc5 Ncb4 16.Bb5 Rc5 17.Qd2 Re4 18.Bd4= -0.06) 15.Ba6 Qe7 16.Bc8 Rc8 17.e4 Be4 18.Nd4=+ -0.53; 14.Ba6 Rc7 (14...Bb2 15.Qb2 Rc7 16.d4 Qf6 17.Bc4 Rd8 18.Nb5= -0.22; 14...Rb8 15.d4 Ncb4 16.Bc4 Rc8 17.Qd2 Be4 18.Be2=+ -0.31) 15.d4 Bg4 16.Nb5 Rd7 17.Na3 Bf3 18.gf3-/+ -0.72; 14.Nc4 Qe7 (14...Re8 15.Bf6 Qf6 16.Qb2 Nd4 17.Nd4 cd4 18.Bf1=+ -0.50; 14...Rc7 15.d4 cd4 16.Bd4 Be4 17.Qb2 Nd4 18.Nd4=+ -0.41) 15.d4 cd4 16.Bd4 Nd4 17.Nd4 Be4 18.Qb2-/+ -0.81) 14...Ndb4 (14...Re8 15.Qd2 Qe7 16.Bf6 Nf6 17.Rac1 Be6 18.Nb5=+ -0.41; 14...Qe7 15.Rd2 Rfe8 16.Rb1 Rcd8 17.Nc4 Bb2 18.Rbb2=+ -0.41; 14...Bg4 15.d4 cd4 16.Ba6 Qe7 17.Bc8 Rc8 18.Qd2-/+ -1.12) 15.Ne1 (15.Nc4 b5 16.a3 bc4 17.ab4 c3 18.Bc3= 0.00) 15...Ne5 (15...Qe7 16.Nc4 Bb2 17.Qb2 b5 18.Nd2=+ -0.37) 16.Qd2 (16.Nc4 Re8 17.Be5 Be5 18.Ne5= -0.25) 16...Qe7 17.d4 (17.e4 Bd7 18.f4= -0.06) 17...cd4 (17...Rfd8 18.Bc3-/+ -0.75) 18.Bd4 Rfd8 19.Rac1 Nbc6 20.Nb5 (20.Nac2 Be4=+) 20...a6-/+ (20...Nd4?! 21.Nd4 Rc1 22.Qc1=+) 21.Nc3 b5 22.Kf1? (22.Nc2 Rd7-/+ (worse 22...Nd4 23.Nd4 Qb4 24.Qe1=)) 22...h6 (better 22...Bg5!? 23.Nc2 Bc2 24.Qc2 Nd4 25.Rd4 Rd4-+) 23.Qb2 (23.Nc2!?-/+) 23...Nd4 24.Rd4 (24.ed4 Nc6 25.d5-+) 24...Rd4 (better 24...Ng6 25.Rd8 Qd8-+) 25.ed4=+ Nc4 26.Bc4 bc4 27.Nd5 Qe6 28.Nf6 Qf6 (worse 28...gf6 29.Qc3+=) 29.Nf3 Qd6 30.Qc3 The isolani on c4 becomes a target 30...Be4 31.Nd2 The pressure on the isolated pawn grows 31...Bd3 32.Kg1 Qe6 33.h3 Qe2 (33...Qd5 34.Re1=+) 34.a4= Rb8 35.d5 (35.Nc4? Rc8 36.Re1 Rc4 37.Re2 Rc3-+) 35...Rc8 36.Nf1 Qa2 37.Qa5 (37.a5 Rc5 38.Ra1 Qb3=) 37...Bf1 (37...Qb2!? 38.Qc3 Qc3 39.Rc3 Kf8=+) 38.d6+= (worse 38.Kf1 Qa3 39.Qd2 Qa4-/+) 38...Qb2?? (better 38...Bd3 39.d7 Rb8+=) 39.d7+- (39.Rf1?! Qb7+=) 39...Rf8 40.d8Q (40.d8Q Rd8 41.Qd8 Kh7 42.Rf1+-; 40.Rf1?! Qd4 41.Qc7 c3+-) 1-0. Drelinkiewicz,Tadeusz - Bielczyk,Jacek, Bydgoszcz ch Poland, 1976.

12.Na3 Qe7 13.Re1 Rfd8 14.d4 cd4 (Black fights for the Initiative) 15.ed4 Rac8 16.Qd2 Qb4 17.Rad1 a6 18.Nc4 Qa4 19.a3 b5 20.Ne3 Ne3 21.fe3 (21.Qe3 Ne7 22.Ne5 Rc2=+) 21...Na5 22.Bd3 Bd3 23.Qd3 Nc4 24.Re2 Be7 25.Ra1 Rc7 26.Bc1 Rdc8 27.Rf2 Nd6 28.Bd2 Qc4 29.Qb1 Qe6 30.Ba5 Rb7 31.Re2 f5 32.Bb4 g6 (32...Rbc7 33.Nd2-/+) 33.Ne5 Bf6 34.Nd3 Ne4 35.Rc2 Rbc7 36.Nf4 Qf7 37.Rc7 Rc7 38.Qb2 Qc4 39.g3 g5 40.Ng2 Qd3 41.Qb1 Qb1 42.Rb1 Kf7 43.Ne1 g4 44.Nd3 Bg5 45.Re1 Rc2 46.d5 Ke8 47.Ne5 Rc1 (47...Rc1 48.Rc1 Be3 49.Kg2 Bc1-/+; 47...Bf6 48.Nc6 Kf7 49.Nd4 Bd4 50.ed4-/+) 0-1. Blankenberg,Bruno - Schwertel,Gottfried, corr TKM/SF/02, 2001.

12.Nc3 Ndb4 13.Na4 b6 (13...Nd3 14.Bd3 Bd3 15.Bf6 Qf6 16.Nc5 Bf1 17.Qf1 Qe7=+ -0.63; 13...Bb2 14.Qb2 (14.Nb2 Nc2 15.Rb1 N6b4 16.d3 Rc8 17.a4 c4= -0.25) 14...Qe7 15.Rfc1 Bd3 16.Bd1 b6 17.a3 Na6= -0.16) 14.Bb5 (14.Bf6 Qf6 15.Qc3 Qe7 16.a3 Nd5 17.Qc4 Rfd8=+ -0.44; 14.Qc4 Be6 15.Qe4 Bb2 16.Nb2 Re8 17.Qb1 Qf6=+ -0.59; 14.Bc3 Bd3 15.Bd3 Nd3 16.Qb1 Nde5 17.Ne5 Be5=+ -0.34) 14...Rc8 (14...Bd3 15.Bf6 Qf6 16.Bd3 Nd3 17.Qa3 Rfd8-/+ -0.97) 15.Bf6 Qf6 16.Qb2 (16.Qc3 Qd8 17.Nb2 Re8=+ -0.63) 16...Qb2 17.Nb2 Rfd8 (17...Be6=+ -0.66) 18.a3 Nd3 19.Nd3 Bd3 20.Bd3 Rd3 21.Rfd1 Rcd8 The backward pawn on d2 becomes a target 22.Ra2 c4 23.Kf1 b5 24.Ke2 R3d5 25.Rc1 (25.Rc2 a6=+) 25...f6 26.a4 a6 27.ab5 ab5 28.Ra6 R5d6 29.Rc3 (29.Ra2 g5=+) 29...Nd4 (29...g5 30.h3-/+) 30.Nd4=+ Ra6 31.Nb5 Ra2 32.Nd4 Ra4 33.h4 Rb8 34.Rc2 Kf7 35.d3 cd3 36.Kd3 Rb7 37.Ke4 Rba7 38.Kf3 Ra2 39.g4 Rc2 40.Nc2 g6 41.Nd4 Ra5 42.Ne2 Ke6 43.Nd4 Kd5 44.Ne2 Kc4 45.Ng3 Kd5 (45...Ra8 46.g5 Rf8 47.Ke2=+) 46.h5 (46.Ne2!?=) 46...gh5 47.Nh5 Ke6 48.Kf4 Kf7 ½-½. Brinkmann,Wilhelm - Ahlers,Klaus, corr FRG jub-B, 1970.

12.Rd1 Rc8 13.Na3 Qe7 14.Bf6 Nf6 (worse 14...gf6 15.Qb2+=) 15.Qb2 Rfd8 16.Rac1 Bd3 17.Bd3 Rd3 18.Rc3 Rcd8 19.Rd3 Rd3 20.Nc4 b6 21.Nce5 Ne5 22.Ne5 Rd5 23.Nf3 c4 24.Nd4 Qd7 25.d3 cd3 26.Rd3 Ne4 27.f3 Nc5 28.Rd2 Ne6 29.Ne6 Qe6 30.Kf2 f6 31.e4 Rd2 32.Qd2 Kf7 33.Ke3 Ke7 34.g3 Qc4 35.f4 a5 36.Qd4 Qa2 37.Qb6 Qa3 38.Kd4 Qd6 39.Qd6 Kd6 40.g4 a4 41.Kc4? (better 41.h4!?=+) 41...a3 42.Kb3 Kc5 43.Ka3?? (43.g5 Kd4 44.e5 fe5 45.f5-+) 43...Kd4-+ 44.e5 fe5 45.f5 Ke4 46.Kb3 Kf4 47.h3 h6 48.Kc4 (48.Kc2 Kg3 49.Kd3 Kh3-+) 48...Kg3 49.Kd5 Kh3 50.g5 hg5 51.Ke5 g4 52.Ke6 g3 53.Kf7 Kg4 (53...Kg4 54.Kg8 g2 55.Kf8 Kf5 56.Ke8 g1Q 57.Ke7 Qc5 58.Kd7 g5 59.Ke8 Ke6 60.Kd8 g4 61.Ke8 Qe7) 0-1. Vestlending - Dr_Matt, playchess.de, 2006.

13.Qd2 Rd8 14.Nc6 Qc6 15.Rd1 =+.

14.ed4 Be6 15.Na3 Rfd8 (15...Bg5 16.Qc2=+) 16.Rab1 (16.Nc4 Qb4 17.Rfd1 Rac8-/+) 16...Qc7 (16...Rac8 17.Rfc1=+) 17.Rfc1 (17.Rfe1 Nf4=+) 17...Qe7 (17...Qf4 18.Rd1=+) 18.Nc4 (better 18.Re1!?=+) 18…Rac8 (better 18...Bg5 19.Qa5 Bc1 20.Rc1 Nf4-+) ½-½. Chirpii,Alexandru (2145) - Doibani,Lilia (2035), Kishnev ULIM Cup, 2001.

14.ed4 Be6 15.a4 Rfe8 =+.

14.Bd4 Bd4 15.ed4 Be6 16.Na3 Rac8 17.Rab1 Qd6 18.Nb5 Qf4 19.Qf4 Nf4 20.Bf3 a6 (20...Ba2 A) 21.Bb7? Rb8 (21...Bb1?! 22.Bc8 Bd3 23.Na7=+) 22.Nc3 Bb1 23.Rb1 Rfe8-+; B) 21.Na7 Rc7 22.Rb2=) 21.Nd6+= Rcd8 22.Nb7 (22.Rb6!?+=) 22...Rd4=+ 23.a3 Rd3 24.a4 Rc8 25.Na5 (25.Rb6 Rb8=) 25...g6 (25...Bd5 26.Nc6 Bc6 27.Bc6 Ne2 28.Kh1=+) 26.Rfd1 (26.Rb6 Ra3 27.Bc6 Ne2 28.Kh1 Nc3 29.Ra6 Na4-/+) 26...Rc2 (26...Rf3 27.gf3 Ne2 28.Kg2=+) 27.Bb7 (27.Rd3!? Nd3 28.Be4=) 27...Rd1-/+ 28.Rd1 Ra2 29.h3 Ra4 30.Nc6 Kg7 31.Ne5 (31.Kh2 a5-/+) 31...a5 32.Kh2 Ra2 33.Bc6 Rc2 (33...f6 34.Nf3-+) 34.Be4 (34.Bf3 Kf6 (34...Rf2?! 35.Kg3 Re2 36.Be2 Ne2 37.Kf3=+) 35.Nd7 Bd7 36.Rd7 g5-+ (36...Rf2?! 37.Kg3 Ke6 38.Rd1 Nh3 39.Kh3=)) 34...Re2 (34...Rf2?! 35.Kg3 Nh3 36.Bf3-/+) 35.Rd4 Rf2 36.Nc6 (36.Kg3 Ne2 37.Kf2 Nd4-+) 36...Ra2 37.Bf3 (37.Rd6 g5 38.Kg3 h5-+) 37…Nh3 (37...Nh3 38.Kg3 Ng5-+) 0-1. Urzica,Aurel - Adorjan,Andras, Stockholm, 1969.

14.Bd4 Bd4 15.ed4 Be6 16.Na3 Rac8 17.Nc4 Qc7 18.Rfc1 Qf4 19.Ne3 b6 20.Rc8 Rc8 21.Bf3 h6 22.Re1 Rd8 23.Qb2 Qg5? (better 23...Qf6=) 24.Nd5+/- Bd5?? (better 24...Rd5 25.Bd5 Bd5 26.Re8 Kh7 27.Qc2 g6+/-) 25.Re5+- 1-0. Boehnke,Hartmut (2135) - Pekand,Buelent, Germany-Turkey, 2006.

14.Bd4 Bd4 15.Qd4 Qd4 16.ed4 Bf5 =.

12.Na3=+ Ncb4 13.Nc4 Rd8 14.Qb3 b5 15.a3 bc4.

12.Na3 Ndb4 13.Nc2= Bf5 (13...Rd8 14.Nb4 Nb4 15.a3=) 14.Nb4 Nb4 15.a3 Nd3 16.Qb3 Qa6 17.Ne5 (17.Rfb1 b6=) 17...Rad8 18.Qc3 (18.Rfb1 c4 19.Nc4 Nc5=) 18...Qf6 (18...Rd5 19.Rfc1=+) 19.Bd3 (worse 19.Nd3 Qc3 20.dc3 Bd3=+ (20...Rd3? 21.Bd3 Bd3 22.Rfd1+-)) 19...Bd3 20.Rfc1 Be4 21.d3 (21.Qc5 Rd5 22.Qa7 Qe5 23.Qb7 Qg5-+ (23...Rd2?! 24.Qb4 Rd6 25.a4-+)) 21...Bd5 22.e4 Rfe8 23.ed5 (23.Nf3 Qc3 24.Rc3 Be6=) 23...Qe5 (23...Re5 24.Qc5 Red5 25.Qa7 Rd3 26.Rab1= (26.Qb7?? Qa1 27.g3 Qc1 28.Kg2 Ra3-+)) 24.Qc5 (24.Qe5 Re5 25.Rc5 Red5 26.Rd5 Rd5=) 24...b6 (24...Rd5 25.Qa7 Rd3 26.Qb7 Ra3 27.Qb1 Ra1 28.Qa1=) 25.Qc2 (25.Qc7 Rd5 26.Qe5 Rde5= (26...Ree5?? 27.Rc8 Rd8 28.Rd8 Re8 29.Re8)) 25...Rd5 26.Rd1 (26.Qc7 Qc7 (26...Rd3?? 27.Qe5 Rdd8 28.Qf4+-) 27.Rc7 a6=+) 26...Red8 Attacking the isolated pawn on d3 (26...Qd6 27.Qa4 Rde5 28.Qa7=+) 27.Rab1 (27.Rac1 Qe7 28.Qb3 Qd6=+) 27...Qf5 The pressure on the isolated pawn grows (27...Qd6 28.Rb3=+) 28.Rb3 (28.Qa4 Ra5 29.Qb4 Re5=+) 28...h6 (28...Re8 29.Rc3=+) 29.Rc3= R8d7 (29...a6 30.a4=+) 30.h3 (30.Rc8 Kh7 31.Rc3 Re7=) 30...Kh7 31.Qe2 Re5 32.Qa2 (32.Qd2 Qg6=) 32...Red5 (32...Rde7 33.Qb1=+) 33.Qb3 (33.Qe2 b5=+) 33...Qe6 (33...Rd4 34.Qc2=+) 34.Qc2 Qf5 (34...Rd4 35.Qb3=+) 35.g4 (35.Qb3 Rd4=+) 35...Qe6 (35...Qg6 36.Qe2=+) 36.Rc6 Qe7 37.d4 g6 38.Qc3 Qg5 (38...h5 39.Qe3=+) 39.Rc8 (39.Rc7 Qd8 40.Rc8 Qf6=) 39...h5 40.f3 (40.Qf3 Kg7 (40...Rd4?? 41.Rd4 Qe7 42.Rd7 Qd7 43.Rb8+-) 41.Kf1 hg4 42.hg4 Rd4 43.Rd4 Rd4-/+) 40...hg4 (40...Qf4 41.Kg2-/+) 41.hg4 (41.fg4 Qf4=+) 41...Qf4-/+ 42.Kg2 Rd4 43.Rd3 Kh6 (better 43...Qe5!? 44.Rd4 Rd4-/+) 44.Qe1= Threatening mate: Qh4 44...Kg5 45.Kh3?? (better 45.Rh8 Kf6 46.Re8+-) 45...Qg4 (45...Kf6 46.Qc3 Qe5 47.Rc6 Kg5 48.Qd2 Qf4 49.Qe1-/+) 46.fg4= The mate threat is Rf3 46...Rd3 47.Kg2 Rd2 48.Kf3 Threatening mate... how? 48...R2d3 49.Kf2 Rd2 50.Ke3 R7d3 51.Ke4 Rd4 52.Ke3 R2d3 ½-½. Kaczorowska,B - Domaradzka,A, Konin Poland, 1986.

12.Na3 b6 13.Qa4 Bd7 14.Qh4 (14.Qb3 Be6=+) 14...Qh4 15.Nh4 Rad8 16.Rfc1 Be6 (16...g5 17.Nf3 g4 18.Nh4-/+) 17.Nf3 (17.d4!?=) 17...Ndb4=+ 18.Nc4 Rd7 (18...Nd3 19.Bd3 Rd3 20.Nb2=+) 19.Ne1 (19.a3 Nd3 20.Bd3 Rd3=+) 19...Bc4 20.Bc4 Ne5 (worse 20...Rd2 21.a3 a5 22.Nf3+/-) 21.a3 Nc4 22.Rc4 Nd3 23.Kf1 Rfd8 24.Ra2 (24.Rc2 f5=+) 24...Ne5 Exerts pressure on the backward pawn (24...b5 25.Rc3 Ne1 26.Ke1=+) 25.Rcc2 Kf8 26.Ke2 Nd3 (26...Ke7 27.Rab2=+) ½-½. Fritz,Harry – Bothe, corr SOK-95-111, 1995.

12.Na3 b6 13.Bb5 Bb7 14.Nc4 Nce7 15.Nce5 Rfd8 16.Bc4 b5 (16...Nc6 17.d4 Ne5 18.Ne5 cd4 19.Qd4=) 17.Bb5= Nc3 18.Qb3 (18.dc3 Exploits the pin 18...Rd1) 18...Nb5 19.Qb5 Ba6 20.Qc5 Bf1 21.Rf1 Ng6 (21...Rd5 22.Qc3=) 22.d4 Ne5 23.Ne5 Rdc8 24.Qa5 Qe6 25.Nd3 Qc4 (25...Rc2 26.a3+=) 26.Nc5+/- h6 27.g3 Qd5 28.a4 h5 29.Qc3 Qf3 30.Qd3 h4 31.Qe4 Qe4 32.Ne4 Rc4 33.Nc5 h3 34.Rb1 Rd8 35.Kf1 Rd6 36.a5 Rc2 37.Nd3 Ra2 38.Rb8 Kh7 39.Rb5 (39.Rb7 Ra5 40.Rf7 Ra1 41.Ke2 Rda6+=) 39...Ra1 (39...Ra6!?=) 40.Ke2+= Rh1 41.Rh5 Rh6 42.Rh6 Kh6 43.d5 Kg5 (43...Rh2?? 44.d6 Kh7 45.d7+-) 44.e4 Kf6 45.e5 (better 45.Nf4!?+=) 45...Ke7=+ 46.f4 Rh2 47.Nf2 f6 48.Kf3 fe5 49.fe5 Rg2 (49...g6 50.a6=) 50.g4 (50.Nh3 Ra2+=) 50...Rg1 (50...Rh2 51.g5=) 51.Nh3+= Ra1 52.Nf4 Ra5 The passed pawn on a7 quickly leads to threats 53.Ke4 Rb5 54.d6 (54.Ne6 Rb4 55.Nd4 Kd7+=) 54...Kd7= 55.Nd5 a5 56.Nc3 (56.Nc7 Rb3=) 56...Rb3 (56...Rb2 57.Kf5=+) 57.Kd4 (57.Ne2 Rb6 58.Nd4 a4+=) 57...Ke6 (better 57...Rb4 58.Kd5 a4-/+ (worse 58...Rg4 59.e6 Kd8 60.d7+=)) 58.g5?? (better 58.Nd5=) 58...Rb4 (58...Rb2 59.Kc5 Ke5 60.d7-+) 59.Kc5 Ke5 60.Nd5 Rd4 61.Nb6 Rd1 (61...a4 62.d7 Ke4 63.Na4 Rd7 64.Kc6-+) 62.d7 a4 63.Kb4 Ke6 64.Ka4 (64.Na4 Kd7 65.Kc4-+) 64...Rd7 65.Nd7 Kd7 66.Kb4 Ke6 67.Kc4 Kf5 68.g6 Kg6 69.Kd4 Kf5 70.Ke3 Kg4 (70...Kg4 71.Kd2 g5-+) 0-1. Tumurbator,Purev - Sharif,Mershad, Teheran, 1972.

12.Na3 Rd8 13.Qa4 Be6 14.Qb5 Qe7 Black terminates the opponent with strong threats 15.Nc2 (15.Rfc1!?=) 15...a6 16.Qb2 b5 17.d4 c4 18.a4 c3 19.Qc1 b4 20.Rb1 b3 21.Nce1 (21.Rb3 Nf4! 22.ef4 Bb3-+) 21...b2 22.Qc2 Ncb4 23.Qb3 (23.Qd1 Bf5 24.Bd3 Ne3-+) 23…Bf5 (23...Bf5 24.Rb2 cb2 25.Qb2 Rab8-+) 0-1. Sternik,Ryszard - Kwolek,D, corr ch POL, 1991.

12.Na3 Rd8 13.Rc1 b6 14.Qa4 (14.Nc4 A) 14...Be6 15.Qa4 Bd7 16.Qb3 Rab8 17.d3 Be6 18.Qb2=+ -0.56; B) 14...Bg4 15.Qa4 (15.Qb3 Rab8 16.d3 Be6 17.Qb2 Ndb4 18.Qf6-/+ -0.84) 15...Rab8 16.Qa3 b5 17.Na5 b4 18.Qa4=+ -0.56; C) 14...Bf5 15.Qb3 Rab8 16.Qb2 h6 17.Nce5 Be4 18.d4= -0.22; D) 14...Rb8 15.Re1 (15.Qc2 Ndb4 16.Qb1 Bf5 17.Qa1 Qa1 18.Ra1-/+ -1.06; 15.a4 a6 16.Na3 Ndb4 17.Qb3 Bg4 18.Nb1-/+ -1.12; 15.e4 Nf4 16.Re1 Bg4 17.Rb1 Ne2 18.Re2-+ -1.91) 15...b5 16.e4 Nf4 17.Ne3 c4 18.Rb1-/+ -0.87) 14...Bd7 (14...Ncb4 15.Nc4 a6 16.Nce5 Qe7 17.a3 f6 18.ab4+= 0.44) 15.Nb5 (better 15.Qb3!? Bf5 16.Nc4=+ (16.Rfe1 Na5 17.Qa4 Nb4 18.Nb1-/+ -0.81)16...Ndb4 17.a3 Bd3 18.Bd3=+ -0.34) 15...a6-/+ 16.Nc3 (better 16.Na3!?-/+ Ndb4 17.Ra1 Be6 18.Rfc1-+ -1.72) 16...Nc3-+ 17.dc3 (17.Rc3 Nd4 18.Qd1-+ -2.03) 17...Nd4 18.Qd1 Ne2 (better 18...Ba4! 19.Qe1 Nc2 20.Rc2 Bc2-+) 19.Qe2-/+ Bg4 20.Rfe1 b5 21.c4 Bf3 22.gf3 b4 23.Rcd1 a5 24.Rd8 Rd8 25.Rd1 Rd6 26.Rd6 Qd6 27.Kh1 a4 28.Qc2 Qc6 29.Qd1 g6 30.Kg2 a3 0-1. Buss,Michael - Wright,Allen, USCF89RT5, 1989.

12.Na3 Rd8 13.Qc2 b6 14.Nc4 Bf5 15.Qb2 Qe7 (15...Qe6 16.d3=+) 16.Nce5 Ne5 17.Ne5 Rac8 18.Bc4 Be6 19.Rac1 Nb4 20.f4 (20.d4 Bc4 21.Rc4 Qe6=) 20...Bc4=+ 21.Rc4 Qe6 22.f5 (22.Rfc1 Nc6=+) 22...Qd5-/+ 23.d4 (23.Rfc1 Na2! (worse 23...Qd2 24.Qd2 Rd2 25.Rb4+=) 24.Qa2 Qe5-/+) 23...f6 24.e4 Qe4 25.dc5 Qe3 26.Kh1 bc5 27.a3 (27.Ng4 Qd3 28.Rcc1 Qd5-+) 27...Nd5 (27...Qe5 28.Qe5 fe5 29.ab4 cb4 30.Rb4-+) 28.Nf3 Nb6 29.Rg4 (29.Rc3 Qf4-+) 29...Qd3 30.Kg1 (30.Re1 Qf5 31.Rge4 c4-+) 30...Nd5 (30...Qf5 31.h3-+) 31.Ne1 Qe3 32.Kh1 c4 33.Rg3 Qe4 (33...c3 34.Qc2 Qd2 35.Rd3 Qc2 36.Nc2-+) 34.Qc2 (34.Qf2 a6-+) 34...Qe7 (34...Re8 35.Qe4 Re4 36.Nc2-+) 35.Qf2 Qc7 (35...Re8 36.Nc2-+) 36.Nc2 Nf4 37.Rg4 Nd3 38.Qh4 Ne5 39.Rg3 Qb6 40.h3 (40.Rh3 h6-/+) 40...Rd3 41.Nb4 Rg3 42.Qg3 Rd8 (42...Rd8 43.Nc2 Qb3-+) 0-1. Kuhlmann,AEJ - Cotoman,V, corr ICCF EU-GT-H-56, 1975.

12.Na3 Bf5 13.Qb3 Ndb4 Black fights for the Initiative 14.Rac1 (14.Qc3 Qc3 15.dc3 Nd5=+) 14...Be6 15.Qa4 b6 16.Bc4 (16.d4 a6 (worse 16...Ba2 17.dc5 Bd5 18.Rfd1=) 17.Nb1 b5=+) 16...Na5 (16...a6 17.Be6 Qe6 18.d4 Na2 19.Rce1-/+) 17.d4 (17.Be6 Qe6 18.Rb1 Qa2-/+) 17...Na2-/+ 18.Ba2 (18.Be6 fe6 19.Rc2 Nb4-/+) 18...Ba2 19.Rc3 (19.dc5 Nb3 20.Rc2 Nc5-/+) 19...Bd5 20.Rfc1 (20.Ne5 a6-/+) 20...Nb7 (20...Bf3 21.gf3 cd4 22.ed4-+) 21.Ne5-/+ cd4 (21...Qg5 22.g3-+) 22.ed4 Nd6 (better 22...Qg5 23.f3 a6-/+) 23.Nc2 (better 23.Ng4!? Qf4 24.Ne3-/+) 23...Bg2!-+ Black begins to deal mighty blows 24.Rg3 (24.Kg2 Decoy to g2 24...Qg5 A double attack) 24...Bb7 25.Ne3 Ne4 Threatening mate... how? 26.Rg2 Ng5 (26...Rfc8 27.Qa1-+) 27.Rg3 Nf3 (27...Rfd8!? 28.Rd1-+) 28.Nf3 Bf3 29.d5 Rfc8 30.Rc8 Rc8 31.Qa7 Rc1 32.Nf1 The mate threat is Qb8 32...h5 (32...h5 33.Qa3 Rc3-+) 0-1. Zenner,C - Lazic,P, corr ICCF EU/M/GT/068 (year?).

12.Nc3 Nc3 13.dc3 b6 (13...Qc3 14.Rc1 Qb2 15.Rc5 Qa2 16.Bc4=+) 14.Bd3 Qc3 15.Ng5 g6 16.Be4 (16.Bb5 Qf6=+) 16...Qf6-/+ 17.Bd5 Qg5 18.Bc6 Bg4 19.h4 Bd1 20.hg5 Rac8 21.Rfd1 Rc6 22.Kf1 c4 23.Rac1 b5 24.Rd7 Ra6 25.Rc2 Kg7 26.Rb7 Ra5 27.Ke2 a6 28.Rd7 Ra3 29.Rdd2 Rh8 30.g3 h6 31.gh6 Rh6 32.Rc1 (32.Rd6 f5-+) 32...Kf6 33.Rcd1 Rh2 34.Rb2 c3 35.Rc2 a5 36.e4 Ke6 37.Kf3 f6 38.Kf4 g5 39.Kf3 Rh7 40.Kg4 Rd7 (40...b4 41.f4-+) 41.Rd7 Kd7 42.Kf5 b4 43.Kf6 Ra2 44.Ra2 b3 (44...b3 45.Ra5 g4+-). Boehnke,Hartmut (2095) - Henrich,Guenter (2250), BdF Pyramide, 2005.

12.Nc3 Nc3 13.dc3 Qc3 14.Rc1 Qa3 15.Qd6 Be6.

12.Nc3 Nc3 13.dc3 Rd8 =.

12.Nc3 Nc3 13.dc3 h6 14.Nd2 (14.Qb3 b6=) 14...Bf5 15.e4 Bg6 16.Qc2 Rad8 17.Rad1 Kh8 (17...Qf4 18.Rfe1=) 18.f4 Qe7 19.f5 Bh7 20.Nc4 Rd1 21.Rd1 Bg8 22.Ne3 f6 23.Kf2 Rd8 24.Rd8 Qd8 25.h3 Kh7 26.a4 Ne5 27.Ng4 Ng4 28.Bg4 Bf7 29.Be2 Qb6 (29...c4=) 30.e5 (better 30.Qd3!?=) 30...fe5 31.Bf3 Qb3 (31...c4 32.Kg3-/+) 32.Qb3=+ Bb3 33.a5 Bc2 34.g4 b6 35.ab6 ab6 36.Ke3 h5 (36...b5 37.Kd2 Bb1 38.Bc6-/+) 37.g5 (37.Be4 Be4 38.Ke4 hg4 39.hg4-/+) 37...Bf5-+ 38.Bh5 b5 (worse 38...Bh3 39.Ke4=+) 39.Bf7 g6 40.h4 Kg7 41.Bd5 Kf8 42.Bc6 b4 43.cb4 cb4 44.Bd5 Ke7 45.Bc4 Be6 46.Bd3 Bf7 47.Bb1 Kd6 48.Be4 Kc5 49.Kd3 (49.Bb1 b3 50.Ke4 Kd6-+) 49...Be8 (49...Kb5 50.Ke3-+) 50.Bf3 Bb5 51.Kd2 (better 51.Kc2-+) 51...Kd4 52.h5 gh5 53.Bh5 e4 54.g6 e3 55.Kd1 Ba4 56.Ke1 b3 57.g7 b2 58.Bg6 Bb3 59.Bh7 (59.Bb1 Bc4-+) 59...Ke5 60.Ke2 Kf4 61.Bb1 Bc4 62.Ke1 Kg5 ½-½. Mely (2855) - Gellu (2475), ChessWorld.net, 2011.