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(c) Marek Trokenheim

1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.d4 Nd7 6.de5 fe5 7.Nf3 Bd6 8.Nbd2 Ngf6 9.c4 c6 10.Be2 0–0

(...)

11.0–0 Ng4 12.h3 Nh6 13.cd5 cd5 14.Nc4 Qc7 15.Ng5+/– Bf7 16.Nf7 Nf7 17.Qd5 Nf6 18.Qd3 e4 19.Qb3 Bh2 20.Kh1 Kh8 21.Rac1 Qb8 22.Bf6 gf6 23.Nd2 f5 24.Bc4 Kg7 25.g3 (25…Bg3 26.Rg1+–) 1–0. Schirmer,Michael – Nilsson,Nils Roland, corr 3GMM–05, 1995.

11.Qc2 Rc8 12.Ng5 Bf7 13.Nf7 Rf7 =+.

11.0–0 cb5

12.cb5 Qb6 13.Rc1 =+.

12.Ng5 Bf5 13.cd5 Nc5 14.Bb5 a6 (14...Nd5 15.Nde4 Ne3 16.fe3 Be4 17.Bc4 Kh8 18.Rf8 Qf8 19.Nf7 Qf7 20.Bf7+–) 15.Be2 b5 (15...Nd5 16.Nde4!? Ne3 17.fe3 Be4 18.Bc4 Kh8 19.Rf8 Qf8 20.Nf7 Qf7 21.Bf7+–).

12.cd5 Bd5

13.Bb5 Qb6 14.a4 e4 15.Ng5 a6 16.Bd7 Qb2 17.Nde4! Be4 (17...Ne4 18.Qd5) 18.Qd6 Kh8 19.Be6 Bg6 20.Ra2 Qc3 21.Qb6 Rae8 22.Rd1 (< 22.Qb7 Qe5–/+).

13.Bb5 Qb6 14.a4 e4 15.Ng5 Kh8 16.Qb1 Qc7 17.g3 Ne5 18.Rd1 (18.Nge4 Ne4 19.Ne4 Nf3 20.Kh1 Nd2–+; 18.Nde4 Ne4 19.Ne4 Nf3 20.Kg2 Nd2–+) 18...Qe7 19.Be2 (19.Nge4?? Ne4 20.Be5 Qe5–+ (20...Be5?! 21.Ne4 Rad8 22.Nd2–+))

13.Bb5 Qe7 14.Bc4 Nb6 15.Bd5 Nfd5 16.Ne4 Bc7 17.Qb3 Rfd8 18.Rfd1 a5 19.Rac1 a4 20.Qa3 Qe8 21.Qd3 Ne7 22.Qc2 Rd1 23.Rd1 Rc8 24.Qc5 Ng6 25.Nd6 Bd6 26.Qd6 Nc4 =.

13.e4 Be4? 14.Ne4 Ne4 15.Qd5 Rf7 16.Qe4 +–.

13.Ne4 Be4 14.Qd6= Bf3 15.Bf3 Qb8 16.Qd3 a6 17.Qf5 Rf7 18.Rac1 Ra7 19.Bd1 (19.Qe6 e4 20.Be4 Ne4 21.Qe4 b6+=) 19...Rf8 20.Ba3 Re8 (20...Rd8!?+=) 21.Bb3 +/–.

13.Ne4 Qe7 14.Nd6 Qd6 15.Bb5 =.

13.Bb5 a6

14.Bc4 Bb4 15.Qb3+/– Qa5 16.Rfd1 Bd2 17.Bd5 Qd5!? 18.Qd5 Nd5 19.Rd2 N5b6 +/–.

14.Bc4 Bb4 15.Qb3+/– Qa5 16.Rfd1 Bd2 17.Bd5 Nd5 18.Rd2 +–.

14.Bc4 Bb4 15.Be5 Ne5 16.Ne5 Bc3 =+.

14.Bc4 Rc8!? +=.

13.e4 Bf7

14.Bb5 Qa5 15.a4 Rac8 16.Re1 Bb4 17.Re3 Rfd8 18.Nb3 Qb6 19.Rd3 Ne4 20.Qe2 (20.Rd7 Qf2 21.Kh1 Rd7 22.Qd7 Rc2=) 20...Ndf6 21.Ne5 Rd3 22.Bd3 (< 22.Nd3 Bc3 (22...Bb3?! 23.Nb4 a6 24.Bf6 Qf6 25.Re1–/+) 23.Bc3 Rc3–/+ (23...Bb3?! 24.Bf6 Qf6 25.Re1=)).

14.Bb5 Qb6 15.a4 Rac8 16.Ng5 Bc5 17.Ndf3 Be6 18.Ne6 (18.Qd3 a6 19.a5 Qb5 20.Qb5 ab5 21.Ne6 Rfe8 22.Nc5 Rc5+=) 18...Qe6 19.Ng5 Qe7 20.Qb3 Kh8 21.Bc4 h6 22.Ne6 Rfe8 23.Bd5 Ne4 =.

14.Bb5 Qb6 15.Bc4 Rac8?? (15...Qb2 16.Bf7 Rf7=) 16.Bf7 Rf7 17.Rb1 Qc6 (17...Qa5!?=) 18.Ng5+= Re7 19.Qb3 Kf8 20.Ne6 Ke8 21.Rfc1 Bc5 22.Nc5 Nc5 23.Rc5! Qc5 24.Ba3 Qc2 25.Be7 Qd2 26.Ba3 Qd7 27.Rd1 Qf7 28.Qa4 Nd7 29.Qa7 Qa2 30.Qb7 +–.

14.Bb5 Qe7 15.Nc4 Bc7 (15...Ne4? 16.Nd6 Nd6 17.Ba3+–) 16.Rc1 Rac8 17.Bd7 Qd7 (17...Nd7 18.Ba3 Nc5 19.Bc5 Qc5 20.Nce5+/–) 18.Qb3 Qc6 (18...Ne4!? 19.Qb7 Nc5 20.Qa7 e4=) 19.Ba3 b5 (19...Qe4 20.Rfe1 Qf4 21.Bf8 Rf8 22.Qb7+/–) 20.Nce5 Qc1 21.Nf7 (21.Bc1 Bb3).

12.Ng5 Qe7

13.Ne6 Qe6 14.cd5 Nd5 15.Bb5 N7b6 16.e4 Nf4 17.Qb3 Rad8 18.Rad1 Bc7 (18...Qb3!? 19.ab3 Bb4=) 19.Qe6 +=.

13.Ne6 Qe6 14.cd5 Qd5 15.e4 Qf7 (15...Ne4? 16.Ne4 Qe4 17.Bb5+–) 16.Bb5 Nb6 17.Nf3 Qe7 18.Ng5 Kh8 19.Qb3 a6 20.Be2 Bc5 (20...Nbd7 21.Bc4 Nc5 22.Qe3=) 21.Ne6 Rfc8 (21...Ne4 22.Nf8 Rf8 23.Bc1 Rf2 24.Rf2 Bf2 25.Kh1–/+) 22.Be5 +/–.

11.0–0 Qb6

12.cd5 cd5

13.Qa4 Bf5 14.Rfe1 Rac8 15.Rac1 a6 16.Qh4 =+.

13.Qa4 Bf5 14.Rfe1 Rac8 15.Rac1 Ng4 16.h3 (16.Rc8 Rc8 17.Nh4 Ne3+=) 16...Ngf6 =+.

13.Ng5 Rae8 =.

12.Ng5 Bf5

13.cd5 cd5 14.e4 Ne4 15.Nde4 Be4 16.Ne4 de4 17.Qd5 Kh8 18.Rad1 Rf6 19.Qe4 Rd8 20.Bd3 Rh6 21.Bc1 Nc5 22.Qc4 Nd3 23.Rd3 Rg6 24.Be3 Qa5 25.Rfd1 a6 26.ba6 ba6? 27.Rd5 +–.

13.cd5 cd5 14.e4 h6 15.ef5 hg5 16.a4 =.

13.e4 de4 14.Nde4 Ne4 15.Ne4 Bb4 16.Bg4 Rad8 17.Bf5 Rf5 18.Qg4 Rf7 19.Ng5 Re7 20.Qf5 Nf8 21.a3 Bd2 22.a4 cb5 23.ab5 Ng6 24.Nf3 e4 25.Nd2 Rd2 26.Bc3 Rd3 =.

11.0–0 Qc7

12.cd5 Bd5 13.bc6 bc6 (< 13...Qc6 14.Rc1 Qb6 15.Nc4=) 14.Ng5 (14.Nc4 Rab8 15.Rb1 Rfd8=) 14...h6 (14...e4 15.f4=+) 15.Nh3 (15.e4 hg5 16.ed5 cd5=+).

12.Ng5 Nc5

13.Nb3 Bf5 14.bc6 Na4 (14...bc6!? 15.Nc5 Bc5 16.cd5 cd5=+) 15.cb7 =.

13.Ne6 Ne6 14.Rc1 d4 15.Qb3 e4 (15...Nc5 16.Qa3 e4 17.Bd4 Nd3–/+ (17...Bh2 18.Kh1 Ne6 19.g3+/–)) 16.c5 +=.

13.Ne6 Ne6 14.cd5 cd5 15.Rc1 Qe7 16.Nf3 e4 17.Nh4 Ba3 18.Nf5 Qb4 19.Bc3 Qc5 20.Bf6 Qc1 21.Qd5+/– Qc8 22.Be7 Rf5 23.Qf5 Be7 24.Bg4 a6 25.Qd5 Kh8?? 26.Be6+– Qe8 27.ba6 Ra6 28.Rc1 Rd6 29.Qe4 Bf6 30.Bf5 Qe4 31.Be4 b6 32.g4 g6 33.f4 Rd2 34.Rc8 Kg7 35.Rc7 Kg8 36.g5 Bg7 37.Bc2 Bf8 38.Bb3 Kh8 39.Kf1 b5 40.Rc8 Kg7 41.e4 Rd4 42.Bd5 Rd2 43.h4 Rb2 44.f5 gf5 45.ef5 Rd2 46.Bb3 1–0. Fritz 6 – Comet B50, 2004.

13.Ne6 Ne6 14.Rc1 d4 15.ed4 ed4 16.Nf3 c5 =+.

13.Ne6 Ne6 14.cd5 cd5 15.Rc1 Qe7 16.Nf3 e4 17.Nh4 Ba3 18.Nf5 Qb4 19.Bc3 Qc5 20.Bf6 Qc1 21.Qd5 +/–.

11.0–0 Rc8

12.cd5= cd5

13.Ng5 Qe8 14.Ne6 Qe6 15.e4 =.

13.Nc4 Qc7

14.Nd6 Qd6

15.Qa4 Qb8 16.Rac1 Bg4 17.Qb4 e4 18.Nd4 Rce8 19.Qb3 Be2 20.Ne2 b6 21.Nf4 +=.

15.Rc1 Qb8 16.Rc8 Rc8 17.Re1 Qd6 18.Qa1 e4 19.Ne5 Rc2 20.Nd7 Bd7 (< 20...Qd7 21.Bd1 Rc8 22.Bf6 gf6 23.Qf6+/–).

15.Rc1 Bg4 16.Qa4 e4 17.Ba3 Nc5 18.Rc5 Rc5 19.Qa7 b6 20.Nd4 Be2 21.Bc5 bc5 22.Ne2 Ng4 23.Ng3 d4 24.h3 +/–.

15.Rc1 Bg4 16.Rc8 Rc8 17.a4 =.

13.Ng5 Bf5

14.e4 h6 15.ef5 hg5 16.Ne4 de4 17.Qd6 +/–.

14.e4 h6 15.ef5 hg5 16.Ne4 Ne4 17.Qd5.

11.0–0 Qe7

12.a4 Rac8 13.bc6 (13.Rc1 b6=+) 13...bc6 14.cd5 cd5 15.Ng5 Bf5 16.e4 Ne8 (16...Rb8 17.Ra2 de4 18.Nde4 Ne4 (< 18...Be4 19.Ne4 Ne4 20.Qd5 Qf7 21.Qe4–/+) 19.Qd5 Kh8 20.Ne4 Be6 21.Qd6 Qd6 22.Nd6 Ba2–/+) 17.ef5= Qg5 18.Nf3 Qf5 19.Qd5 Kh8 (19...Qf7 20.Qf7 Kf7 21.Bd3+=) 20.Bd3 Qf6 (20...Qf4 21.Rfe1+=) 21.Qe4 g6 22.Qg4 (22.Bb5 Rb8+/–) 22...Rc7 23.Bb5 (23.Rfe1 Ng7+/–) 23...Nc5 (23...Rc2 24.Rab1 (< 24.Bd7 Rb2 25.Rab1 Ba3+=) 24...Nc5 25.Rfc1+/–) 24.Rfe1 Re7 25.Qg3 Ng7 (25...Nb3 26.Rad1 Nd4 27.Bd4 ed4 28.Qg4+/–) 26.Ne5 Qf4 (26...Qf5 27.Bc6+/–) 27.Qf4+– Rf4 28.Rad1 Re4 29.Re4 Ne4 30.Nc4 (30.Nc6 Re6+–) 30...Bc7 31.Bd4 Kg8 (31...Rf7 32.Ba7 Nf5 33.Re1+–) 32.f3 (32.Ba7?! Bh2 33.Kh2 Ra7+–) 32...Ng5 (32...a6 33.Ba6 (33.fe4?! ab5 34.ab5 Re4+–) 33...Ng5 34.Ne3+–) 33.Bf6 (33...Nf3 34.gf3+–; 33.Ba7?! Bh2 34.Kh2 Ra7+–) 1–0. Franke,CP – Bahr,R, corr ICCF EU–M–690 (year?).

12.a4 Rad8 13.Ng5 Bf5 14.bc6 bc6 15.cd5 cd5 16.e4 de4 17.Nde4 Ne4 18.Qd5 Kh8 19.Ne4 Nf6 20.Nf6 Qf6 21.Qa5 Qe7 22.Rac1 e4 23.Qc3 Be6 ½–½. Zylla,Johannes (2135) – Krebs,Juergen (2345), BdF T, 2004.

12.Rc1 cb5 13.cd5 Bd5 14.Bb5 e4 15.Nd4 Qe5 (worse is 15...Ba2 16.Nf5 Qe6 17.Nd6 Qd6 18.Bd7 Qd7 19.Bf6 Rf6 20.Ne4=) 16.g3 Bc5 (16...Nb6 17.a4+=) 17.Bc4 Rf7 (17...Nb6 18.Bd5 Qd5 19.Qb3+=) 18.Qb3 Bc4 19.Nc4 Qh5 20.h4 (20.Qb7 Raf8 21.Qc6 Bd4 22.Bd4 Qh3 23.Bf6 Nf6+=) 20...Re8 21.Nb5 Re6 22.Rcd1 (22.Rfd1 Qe2 23.Nc7+/–) 22...Bf8= 23.Ncd6 Nc5 24.Qc2 Rfe7 (24...Bd6 25.Rd6 Rf8 26.Bf6 Rff6 27.Qc4+/–) 25.Bf6+= gf6 26.Qc4 Kg7 27.Nc8 Rf7 28.Nca7 Re8 29.Rd5 Re5 30.Re5 Qe5 31.Nc3 Rd7 32.Nab5 Kh8 33.Nd4 f5 34.Rb1 1–0. Muri,Heinrich (2405) – Destruels Moreno,Vicente (2405), III. Danube Cup–Paul Darmogray Memorial, 2008.

12.Ng5 cb5 13.Ne6 Qe6 14.cd5 Nd5 15.Bb5 =.

12.Ng5 Rac8 13.Ne6 Qe6 14.cd5 cd5 15.e4 =.

12.Ng5 Rad8 13.Ne6 Qe6 14.Rc1 e4 15.cd5 Nd5 (15...Qd5?? 16.Bc4 Qc4 17.Nc4+–) 16.bc6 bc6 17.h3 Nc5 18.Nb3 Nb3 19.ab3 Be5 20.Bg4 Qe7 21.Be5 (21.Bd4 Nb4=+) 21...Ne3= (21...Qe5?! 22.Qc2=).

12.bc6 bc6

13.Qc2 Bf7 14.cd5 cd5 (< 14...Bd5 15.e4 Bf7 16.Ng5+=) 15.Rfc1 Bg6 16.Qd1 Rab8 17.Nb3 Rfc8 (17...a5 18.Qd2 a4 19.Na5–/+) 18.Rc8 Rc8 19.Rc1 Rc1 20.Qc1 Bh5 21.Na5 (21.Qc8!? Qf8 22.Qb7=) 21...e4 =+.

13.Qc2 Bf7 14.cd5 cd5 15.e4 Rac8 16.Qd1 Rb8 17.Bc1 Nc5 18.Ng5 Nce4 19.Nde4 Ne4 20.Ne4 de4 21.Qc2 Qb7 22.Bg4 Qc7 23.Qc7 Bc7 24.Rd1 a5 25.Ba3 Rfd8 26.Rd8 Bd8 27.Bd6 Rb2 –/+.

13.Qc2 Bg4 14.cd5 cd5 15.e4 Rac8 16.Qb1 Nc5 17.ed5 e4 (< 17...Nd5 18.Bc4 Be6 19.Re1+=) 18.Nd4 Qe5 19.g3 Be2 20.Ne2 Qd5 21.Nc3 Qe6 22.Re1 (22.Nb5 Qh3 23.Bf6 Rf6 24.Nd6 Rd6 25.Ne4 Rh6–+) 22...Be5 23.Nd1 (23.Nce4!? Nce4 24.Re4 Ne4 25.Qe4–/+) 23...Rb8 –+.

13.Qc2 Bg4 14.cd5 cd5 15.e4 Rac8 16.Qd1 Rb8 17.Bc1 Bc5 18.ed5 e4 (18...Nd5?! 19.Ne4 Nf4 20.Bf4 Rf4 21.Rc1=).

12.cd5 cd5

13.Rc1 a6 14.ba6 ba6 15.Nb3 =+.

13.Rc1 a6 14.ba6 ba6 15.Rc6 Rab8 16.Qa1 e4 17.Nd4 a5 18.Ne6 Qe6 19.Rfc1 Rb6 20.Rb6 Nb6 21.Bd4 Bb4 22.Qb2 Nbd7 23.a3 Be7 24.Qc3 +=.

13.Rc1 Rac8 14.Rc8 (14.Qa4 e4 15.Nd4 Bc5=) 14...Rc8=+ 15.Qa4 Bb8 (16.Rc1 Rc1 17.Bc1 Nb6=). Pane (+) – Gall,Zdenek, corr 3GMM–27, 1996.

12.cd5 Bd5

13.bc6 bc6

14.Rc1 e4 15.Ng5 Ne5 16.Nc4 Nc4 17.Bc4 Be5 18.Bd4 Rad8 19.Bb3 Kh8 20.Bc5 Bd6 21.Bd6 Rd6 22.Qe2 Bb3 23.ab3 Rfd8 24.Rc2 h6 =+.

14.Qc2 Rab8 15.Rfb1 (15.e4 Ne4 16.Ne4 Be4 17.Qe4 Rb2=) 15...Nc5 =+.

14.Qc2 e4 15.Nd4 Qe5 16.g3 Qg5 17.Bc4 Qh5 (17...Rfc8!?=) 18.Nc6 +=.

12.Ng5 e4

13.Ne6 Qe6 14.bc6 bc6 15.Rb1 Rad8 16.Qa4 Nc5 17.Qa5 (17.Qa7 Ra8 18.Qb6 Rfb8 (18...Ra2?! 19.Ra1 Nfd7 20.Qb4–+) 19.cd5 cd5 (19...Rb6 20.de6 Ra2 21.Nc4+/–; < 19...Nd5 20.Qb8 Rb8 21.Bd4–+) 20.Qb8 Rb8–+) 17...Ng4 18.h3 Ne5 19.a3 Ncd3 20.cd5 cd5 21.Qa7 Nb2 22.Rb2 Nc6 23.Qb6 Rb8 (23...Ba3 24.Rc2 Rd6 25.Ne4 de4 26.Bc4+–) 24.Qc6 Bh2!

13.Ne6= Qe6 14.bc6 bc6 15.cd5 cd5 16.Nb3 Bc7 17.Nd4 Qd6 18.g3 Bb6 19.Qa4 Rac8 20.Ba3 Nc5 21.Rac1 Rc7 22.Qb5 Rb8 23.Rc2 Nfd7 24.Rfc1+= Qg6 25.Bc5 Bc5 26.Qa4 h6 27.Bb5 Nb6 28.Qa6 Rbc8 29.Nc6 Bd6 30.Ne7 Re7 31.Rc8 Kh7? 32.R8c6+– Rf7 33.Rf1 Rf6 34.Qa7 (34.Qa7 Bg3 35.hg3 Rc6 36.Bc6 Qc6 37.Qf7+–) 1–0. Muri,Heinrich (2340) – Savegren,Kurt (2410), corr ICCF EM/MN/063 Email, 2003.

13.Ne6= Qe6 14.cd5 =.

12.Ng5 Bf5

13.cd5 cd5 14.e4 de4 15.Nde4 Be4 16.Qd5?? (better is 16.Ne4 Ne4 17.Qd5 Qf7 18.Qe4+=) 16…Bd5–+ (17.a3 e4–+) 0–1. Schwertel,Gottfried – Martello,Juan, corr 3GMM–38, 1996.

13.cd5 cd5 14.e4 de4!? 15.Nde4 Ne4 16.Qd5 Kh8 17.Ne4 Be4 18.Qe4 Nf6 =.

13.cd5 cd5 14.e4 Ne4 15.Nde4+/– de4 16.Bc4 Kh8 17.Nf7 Rf7 18.Bf7 Nc5 19.Ba3 Nd3 20.Bd6 Qf7 21.f4 Qd5 22.fe5+= Qd4 23.Kh1 Nf2 24.Rf2 Qf2 25.Qf1 e3 26.Qf2 ef2 27.Bc5 Re8 ½–½. Bendig,Frank – Feilmayr,Erwin, corr ICCF TT–6–02–Final, 2005.

13.cd5 Nd5 14.Nde4 Nc5 15.Bc4 Ne4 16.Bd5 cd5 17.Qd5 Rf7 18.Ne4 Be4 19.Qe4 +/–.

13.cd5 Nd5 14.Nde4 Rac8 15.Nd6 Qd6 16.e4 +/–.

11.bc6 bc6

12.Qc2 Qb6 13.Rb1 Qc5 14.Nb3 Qb4 15.Nbd2 Qa5 16.Ng5 Rae8 17.cd5 cd5 (17...Bd5 18.e4 Ba2 19.Bc4 Bc4 20.Qc4 Kh8 21.Nf7 (21.Qc6 Bb4 22.Rd1 Rc8 23.Nf7 Kg8 24.Ne5 Rc6 25.Nc6 Bd2 26.Rd2 Qc5–+) 21...Rf7 22.Qf7=).

12.Qc2 Rb8

13.0–0 Bg4 14.cd5 cd5 15.h3 Qc8 16.Rfc1 Qc2 –/+.

13.0–0 Bg4 14.cd5 cd5 15.h3 Qc8 16.Bc3 Be6 =+.

13.Ng5 Bf7 14.Nf7 Rf7 15.0–0 Nc5 16.cd5 cd5 (< 16...Nd5 17.Nc4 Nb4 18.Qd1+/–) 17.Rab1 Rfb7 (17...Qe8 18.Nf3 Nfe4 19.Nd2=+) 18.Ba1 Rc7 (18...Rb1 19.Rb1 Rb1 20.Nb1=) 19.Qf5 (19.Rfd1 e4=) 19...Rb1 20.Qb1 Rb7 21.Qc2 Qe7 22.Rc1 Rc7 (22...e4 23.Bd4=) 23.Qf5 g6 24.Qb1 Qd8 25.Nf3 Qe8 26.Qb5 Qb5 27.Bb5 a6 28.Bf1 Ncd7 (better is 28...Ng4!?+=) 29.Rc7+/– Bc7 30.Ba6 Kf8 31.Bb5 Ke7 32.a4 Ke6 33.Bc3 Nb8 (33...Nc5 34.Ng5 Ke7 35.a5+–) 34.a5 Ne4 35.Bb4 h6 36.Bd3 Nc6 37.a6 Bd6 38.Bd6 Kd6 39.Nh4 (39.Be4 de4 40.Nh4 Kc7 41.Ng6 Kb6+–) 39...Kc7 (39...Nc5 40.Bb5+–) 40.Ng6 Nc3 41.g4 d4 (41...Kb6 42.Bf1+–) 42.ed4 (42.e4 Na2+–) 42...ed4 (better is 42...e4 43.Bc4 Nd4+–) 43.f4 Nb4 44.Ne5 Nd3 45.Nd3 Kb6 (45...Ne4 46.h4+–) 46.g5 hg5 (46...Ne2 47.Kf2 Nf4 48.Nf4 hg5 49.Ne6+–) 47.fg5 Ne4 48.g6 Nf6 49.Nb4 1–0. Mrkvicka,Josef – Hartley,Richard, CiF GT–93–592A, 1998.

12.Qc2 Bg4

13.Ng5 Be2 14.Ne6 Qa5 15.Nf8 Bc4 16.Bc3 =.

13.Ng5 e4 14.cd5 (14.Bg4 Ng4 15.Ne6–/+) 14...cd5 =+.

13.Ng5 g6 14.cd5 cd5 15.Bg4 Ng4 16.Qc6 (16.Qd3 Qa5 (16...Nf2 17.Qd5 Kh8 18.Ne6+=) 17.f3 Ngf6=+) 16...Nb6–/+ (16...Qg5 17.Qd5 Kh8 18.Qd6 Nf2 19.Nc4 Nh1 20.Qd7–/+).

11.cd5 cd5

12.Ng5 Qe7

13.Ne6 Qe6 14.Rc1 =+.

12.Ng5 Bf5

13.e4 Ne8

14.h4 h6 15.ef5 hg5 16.hg5 Nc7 17.g6 Rf5 +=.

14.ef5 Qg5=

15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1 Ndf6 18.Qb7?? Bb4 19.Kd1 Rd8 20.Kc2 Qf2 –+.

15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1 Ndf6 18.Rg2 Nd5 19.Ne5 Rf5 20.Nd3 =.

15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1 Qh3 18.Qb7 Bb4 19.Kd1 =+.

15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1 Qh3 18.Be5 Ne5 19.Qb7 Bb4 20.Kd1 Rd8 21.Kc2 Qf5 22.Kb3 Rf7 –+.

15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1 Qh3 18.Ne5 Qf5 19.f4 Rd8 –/+.

15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1 Qh3 18.Ne5 Qh2 19.Ng6 hg6 20.Rh1 +–.

13.e4 h6

14.ef5 hg5 15.0–0 Nb6 16.a4 +=.

14.ef5 hg5 15.0–0 Rc8 16.Re1 =.

14.ef5 hg5 15.Rc1 =.

14.ef5 hg5 15.h4 gh4 16.Rh4 Rc8 17.Rc1 Rc1 18.Bc1 Nh7 19.Nf3 +=.

14.ef5 hg5 15.h4 gh4 16.Rh4 Rc8 17.g3 Qa5 18.Kf1 Qb6 19.a4 Bc5 (19...a5 20.Ke1=+) 20.a5 =.

11.cd5 Bd5

12.0–0 e4

13.Nd4 Qb8 14.h3 c5 15.Nf5 Bh2 16.Kh1 Be6 (16...Be5 17.Ne7 Kh8 18.Be5 Qe5 19.Nd5 Nd5 20.Nc4=) 17.Bc4 Bc4 18.Nc4 Rd8? (better is 18...Be5 19.Ne5 Ne5=) 19.g3 +–.

13.Nd4 Qc7 14.bc6 Bh2 15.Kh1 bc6 16.g3 Bg3 17.fg3 Qg3 18.Nf5 Qh3 19.Kg1 Be6 20.Bc4 Bc4 21.Nc4 Nd5 22.Ncd6 Rab8 23.Rb1 h6 24.Qc2 =.

12.e4 Be4

13.Ne4 Ne4 14.0–0 Qb6 15.Bd3 Ndc5 16.Ne5 Nd3 17.Qd3 Nf2 18.Qc4 Kh8 19.Bd4 Qc7 20.Rae1+/– Rf5 21.Rf2 Re5+/– 22.Be5 Be5 23.Rfe2 Re8?? 24.Qf4!!+– Qa5 25.Re5 Qe1 26.Re1 Re1 27.Kf2 1–0. Fritz 8 – Comet B50, 2004.

13.Ne4 Ne4 14.0–0 Qc7 15.Bd3 Nec5 16.bc6 bc6 17.Bc4 Kh8 18.Ng5 Nb6 19.Nf7 Rf7 20.Bf7 Rf8 21.Bb3 e4 22.Qh5 Nd3 23.Bd4 c5 24.Be3 c4 25.Bc2 Be5 26.Rab1 Nd5 27.Bd2 Qd6 28.Rb7 e3 29.Rf7 ed2 30.Bd3 Bh2 31.Kh1 cd3 32.Qd5 Bf4 33.Qd6 Bd6 34.Rf8 Bf8 35.Rd1 Bb4 36.Kh2 g5 37.Kg3 Kg7 38.Kf3 h5 39.Ke3 Kf6 40.a3 Ba5 41.Kd3 Ke5 42.Rb1 a6 43.Kc2 Kd4 44.Rb7 Ke4 45.Ra7+– Bb6 46.Ra6 Bf2 47.Kd2 h4 48.Ke2 Bc5 49.a4 Kf4 50.Rc6 Ba7 51.a5 Kg3 52.Rc7 Bd4 53.Rd7 Bg1 54.Kf1 Kh2 55.a6 h3 56.gh3 Bb6 57.a7 Ba7 58.Ra7 1–0. Fritz 8 – Fritz 6, 2004.

13.Ne4 Ne4 14.0–0 Qc7 15.Bd3 Nec5 16.bc6 bc6 17.Bc4 Kh8 18.Ng5 Nb6 19.Nf7 Rf7 20.Bf7 Rf8 21.Bb3 e4 22.Qh5 Nd3 23.Bd4 Nd5 24.Qe2 Bh2= 25.Kh1 Be5 26.Qe4 Rf4 27.Be5= Ne5 28.Bd5 Re4 29.Be4 Ng4 30.g3 c5 31.Kg2 Nf6 32.Rfe1 c4 33.Rac1 g5 34.Re3 a5 35.Rec3 Ne4 36.Rc4 Qe5 37.Re1 Qb2 38.Ree4 Qa2 39.Red4 Kg7 40.Ra4 Qc2 41.Ra5 Kg6 42.Rd6 Kh5 43.Re5 h6 44.Rde6 Kg4?? 45.Re4+– 1–0. Fritz 8 – Fritz 5.32, 2004.

13.Ne4 Ne4 14.0–0 Qc7 15.Bd3 Nef6 16.Ng5 e4 17.Bc4 Kh8 18.Ne6 Bh2 19.Kh1 Qd6 20.Nf8 Rf8 21.g3 Bg3 22.fg3 Qg3 23.Qe2 Ng4 24.Bd4 e3 25.Rf8 Nf8 26.Rf1 Nf2 27.Rf2 ef2 28.Bf2 Qh3 29.Kg1 cb5 30.Bb5 b6 31.Qe7 Qg4 32.Kh2 Qh5 33.Bh4 Qf5 34.Bd3 Qf3 35.Be2 Qf5 36.Bg3+– Nd7 37.Bg4!! Qd5 38.Qe8 Qg8 39.Qd7 Qa2 40.Kh3 Qc4 41.Qa7 h6 42.Qb6 Qf1 43.Kh2 Qc4 44.Qg6 Qa2 45.Kh3 Qd5 46.Bf5 Qh1 47.Kg4 Qd1 48.Kf4 Qf1 49.Ke3 Qc1 50.Kf3 Qf1 51.Bf2 Qd1 52.Kg3 Qb3 53.Kh2 Qb8 54.Bg3 Qb2 55.Kh3 Qg2 56.Kg2 h5 57.Qe8 1–0. Fritz 8 – Doctor? 3.0, 2004.

11.Ng5 Qe7

12.Ne6 Qe6

13.0–0 Nc5 14.Rc1 Rac8 15.cd5 cd5 (15...Nd5? 16.e4 Nb6 17.Nc4+–; 15...Qd5?? 16.Bc4+–) 16.e4 Nce4 17.Ne4 de4 (17...Ne4?? 18.Bg4 Qf7 19.Rc8 (19.Bc8?! Bc5 20.Bg4 Bb6+–) 19...Rc8 20.Bc8+–) 18.Qa4 Qe7 19.Rc8 Rc8 20.Rc1 (20.Qa7? Rc2 21.Qe3 Rb2–+) 20...Rc1 21.Bc1 Bc5 22.Bg5 b6 23.Qc4 Kf8 24.h3 h6 25.Bf6 (25.Bh4 e3 26.f3 e4+=) 25...Qf6+= 26.Qe4 Qf2 27.Kh2 Qf4 28.Qf4 ½–½. Brisson,Pascal (2100) – Blondel,Francis (1960), FRA/Cup11/3T (FRA), 2011.

13.0–0 Nc5 14.Rc1 Qe7 15.cd5 cd5 16.e4 Nfe4 17.Ne4 de4 18.Qd5 Kh8 19.Ba3 b6 20.Bc5 Bc5 21.Qe4 Rad8 22.Bd3 g6 ½–½. Steinmann,Joachim – Schirmer,Michael, corr TKM, 1999.

13.0–0 Rac8 14.bc6 bc6 15.Rb1 =+.

13.0–0 Rad8? 14.cd5 cd5 15.e4 Ne4 (15...de4? 16.Bc4! Nd5 17.Ne4 N7b6 18.Ng5 Qf6 19.Bd5 Nd5 20.Qd5 Kh8) 16.Ne4 de4 17.Bg4 Qg6 18.Qd5 Kh8 19.Bd7 Rd7 20.Rae1! –+.

13.0–0 e4 14.Rc1 Be5 15.Ba3 Rf7 16.bc6 bc6 17.Nb3 Nb6 18.Nd4 Bd4 ½–½. Korchut,Adam – Johansson,Mats, IECG, 2006.

13.0–0 e4 14.bc6 bc6 15.cd5 cd5 (15...Qd5?? 16.Bc4 Rab8 17.Bd5 Nd5 18.Bg7+–; 15...Nd5?! 16.Nc4=) 16.Nb3 Rab8 17.Qd2 (17.Bd4 Nb6=) 17...Ne5 (17...Bc7 18.Nd4 Qd6 19.g3=) 18.Nd4= Qd7 19.Rac1 Nfg4 (19...Qa4 20.Ne6 Rfe8 21.Nc7=) 20.Nb3 (20.Nc6 Nc6 21.Bg4 Qg4 22.Rc6 Qe6=) 20...Nd3= 21.Bg4 (better is 21.Bd3 Bh2 22.Kh1 ed3 23.f3 Ne3 24.Qe3+= (< 24.Kh2 Nf1 25.Rf1 Qa4=)) 21...Qg4–/+ 22.Rc6 Bh2?? (22...Qe6 23.Nd4 Qh6 (23...Rb2?! 24.Ne6 Rd2 25.Rd6 Rff2 26.Rf2 Rf2 27.Ng5–/+) 24.Rd6 Qd6–+ (24...Rb2?! 25.Qb2 Qd6 26.Qb7=+)) 23.Kh2+/– Rf5 24.Qc3?? (better is 24.Kg1+/–) 24...Rg5 25.g3 Nf2 (26.Qg7 Rg7–+) 0–1. Botta,Giancarlo – Thystrup,Preben, corr ICCF TT–2–86 final, 1991.

13.0–0 Kh8 14.a4 Rac8!? =.

13.0–0 Kh8 14.a4 d4 15.ed4+= ed4 16.Bf3 (16.Re1 Be5+=) 16...Nc5 (16...Be5 17.Ba3 Rfd8 18.Re1=) 17.g3 (17.Re1 Qd7 18.Nf1=) 17...Be5= 18.Ba3 Bd6 (18...Qd6 19.Nb3 Nfd7 20.bc6 Rf3 21.Qf3 bc6 22.Na5+–) 19.bc6+= bc6 20.Bc6 Rac8 (20...Rad8 21.Re1 Qc8 22.Bf3+=) 21.Bg2 Rfe8 22.Nf3 Nfe4 23.Nd4 Qc4 24.Nb5 Be5 25.Rc1 Nc3 26.Rc3?? Bc3 27.Nd6 Qe6 28.Bf3 Qe7 29.Nc8 Rc8 30.Bg4 (30.Bg4 Re8 31.Qd5+–) 1–0. Dopper,Johan – Meulenbroek,K, corr NED BV, 1991.

13.0–0 Kh8 14.a4 Rad8 15.Qc2 (15.Rc1 Nc5=) 15...e4 (15...Rc8 16.Rfd1=) 16.Ba3 (16.Rac1 Be5=) 16...Ne5 (16...Rc8 17.Bd6 Qd6 18.Rfd1=) 17.Bd6 Rd6 (17...Qd6 18.c5 Qc7 19.Ra3=+) 18.c5 (18.cd5 cd5 19.Qc5 b6=) 18...Rd7 19.Nb3 Nfg4 20.h3 Nh6 21.Nd4 Qe7 22.a5 Nf5 (22...cb5 23.Bb5 Rc7 24.Rac1=) 23.Nf5 Rf5 24.bc6 bc6 25.Rab1 Qf8 26.a6 Rdf7= 27.Rb7 h6 28.Rfb1 Kh7 29.Rf7+= Qf7 30.Rb7 Qg6 31.Ra7+/– Rg5 32.g3 Rg3= 33.fg3 Qg3 34.Kf1 Qh3 35.Ke1 Qe3 36.Kd1 ½–½. Sokolski,Alexey – Kotov,Alexander, Leningrad–ch, 1938.

11.Ng5 Bf5!?

12.Qb3 Nc5–/+ 13.Qc3 (13.Qd1 Nfd7 14.Ngf3 e4–/+) 13...cb5 14.e4? (14.cb5 Rc8 15.Rc1–+) 14...Be4 (14...Nfe4 15.Nde4 Ne4 16.Ne4 Be4 17.f3–+) 15.Qh3 bc4 16.0–0 (16.Nde4 Nce4 17.Ne4 Ne4 18.0–0–+) 16...Bg6 (16...Bd3 17.Ne6 Qd7 18.Nf8 Qh3 19.gh3 Be2 20.Rfe1–+) 17.Rad1 (17.Ne6 Ne6 18.Qe6 Bf7–+) 17...Qb6 (17...Qe7 18.f4 Nd3 19.Bd3 Bd3 20.Rfe1–+) 18.Ba3 Rac8 (18...Rfc8 19.Bc4 Rc6 20.Be2–+) 19.Bc4 Qc6 (19...dc4 20.Nc4 Qc7 21.Nd6+/–) 20.Be2 b6 21.f4 (21.Bc5 Bc5 (21...Qc5?! 22.Ne6 Qa3 23.Qa3 Ba3 24.Nf8 Kf8 25.Nf3–+) 22.Ne6 Rfe8 23.Nc5 bc5–+) 21...ef4 22.Bf3 (22.Ndf3 Nfe4–+) 22...Nfe4 (22...Rfe8!? 23.Bb2 Nd3 24.Bd4–+) 23.Nde4 de4 (23...Ne4?! 24.Be4 Bc5 25.Bc5 Qc5 26.Kh1 de4 27.Qe6 Kh8 28.Ne4 Be4 29.Qe4–+; 23...Be4?? 24.Be4 h6 25.Bd5 Qd5 26.Rd5 hg5 27.Rd6+–) 24.Be2 Be7 25.Bc4 Kh8 26.Bd5 Qf6 (26...Bg5?! 27.Bc6 Rc6 28.Qg4=+) 27.Ne6 Bf5 (28.Rf4 Bh3 (28...Be6?! 29.Rf6 Bh3 30.Rf8 Rf8 31.gh3–+; 28...Ne6?! 29.Rf5 Qf5 30.Qf5 Rf5 31.Be6 Bc5 32.Bc5 Rfc5 33.Bc8 Rc8 34.Kf2–+) 29.Rf6 Rf6 30.gh3 e3–+ (< 30...Re6 31.Be6 Ne6 32.Be7–+)) 0–1. Wolszczak – Gall,Zdenek, corr 3GMM–26, 1997.

12.bc6 bc6 13.cd5 cd5 (13...Rb8 14.dc6 Rb2+=) 14.Ba3?? (better is 14.e4 Qb6 15.Qb3=) 14...Ba3–+ 15.e4 Ne4 16.Nge4 (16.Nde4 Qa5 17.Nd2–+) 16...Qa5 (better is 16...Bb2 17.Ng3 Ba1 18.Qa1 Be6–+) 17.Ng3 Bb2 18.Nf5 (18.0–0 Nb6 19.Nf5 Ba1 20.Ne7 Kf7–+) 18...Ba1 (18...Rf5?! 19.Rb1 Bc3 20.Bg4–+) 19.Ne7 Kf7 (19...Kh8 20.Qa1 Qc5 21.Ng6 hg6 22.0–0–+) 20.Nd5 Rac8 (20...Qd5 Decoy to d5 21.Bc4 A pinning theme) 21.Ne3 (21.Bh5 g6 22.Qa1 Rc2–+) 21…Bc3 (21...Bc3 22.Nec4 Rc4 23.Bc4 Ke7–+) 0–1. Zielinski,P – Borrmann,Fritz, corr SOK–95–109, 1997.

12.g4 Be4 13.f3 Bg6 14.cd5 cd5 15.e4 d4 (15...de4 16.Bc4 Kh8 17.Ne6) 16.Bc4 (16.Ne6!?) 16...Kh8 17.Qb3.

12.cd5 cd5

13.e4 de4 14.g4?? (14.Qb3 Kh8 15.Nf7 Rf7 16.Qf7+=) 14...Ng4!–/+ 15.Nge4 (15.Bg4 Qg5) 15...Be4 16.Ne4? (better is 16.Qb3 Kh8 17.Ne4–/+) 16...Bb4–+ 17.Nc3?! (17.Bc3 Bc3 18.Nc3 Nf2 19.Qd5 Kh8–+) 17...Bc3 (better is 17...Nf2 18.Qb3 Kh8 19.Qb4 Nh1–+) 18.Bc3 Nf2 19.Qd5 Kh8 20.Rg1 Qh4 21.Be5 (21.Rg3 Ne4 22.Qb7 Ng3 23.hg3 Qg3 24.Kd2–+) 21...Ne5 22.Qe5 (22.Rg3 Qh2 23.Qe5 Nd3 24.Bd3–+) 22…Nd3 (22...Nd3 23.Kd2 Ne5–+) 0–1. Suess,Stefan – Schwaegerl,Manfred, corr, 1984.

13.e4 Be4 14.Nde4 de4 15.Ne4 Ne4 16.Qd5 Kh8 17.Qe4.

13.e4 Be4 14.Nde4 de4 15.Ne6.

13.e4 Be4 14.Ne6.

13.e4 Ne4 14.Nde4 Bb4 15.Kf1! de4 16.Qb3 –+.

13.e4= Ne4 14.Nde4 de4 15.Qd5 Kh8 16.Nf7 Increasing the pressure on the isolated pawn on e5 (16.Qd6 Qg5 17.g4 Bg4–+) 16...Rf7 17.Qf7 Qa5 18.Kf1 Rf8 19.Qb3 Bc5 20.Qg3? (20.Bc3 Qb6 21.Bb4–/+) 20...Bg4!–+ 21.f3 (21.Bg4 Qb5 Double attack; 21.Qg4 Rf2 Mate attack) 21...ef3 22.gf3 Bf3! (22...Bf3 23.Bf3 Qb5 24.Kg2 Qb2 25.Kh3 Rf6–+) 23.Bf3 (23.Qf3 Rf3) 23...Qb5 24.Kg2 Qb2 25.Kh3 Rf6 26.Bh5 Rh6 27.Qf3 (27.Qg4 g6 28.Raf1 Rh5 29.Kg3 e4 30.Qe4 Bd6 31.Rf4 Nf6–+) 27...Nf6 28.Rhd1 (28.Rad1 Rh5 29.Kg3 Ne4 30.Kg4 Rg5 31.Kh4–+) 28...Qb6 (better is 28...Rh5 29.Qh5 Qa3 (29...Nh5?? 30.Rd8 Bf8 31.Rf8) 30.Kg2 Nh5 31.Rd8 Bf8–+) 29.Rab1 Rh5 30.Kg3 e4 31.Rb6 ef3 32.Rb7 f2 33.Rb8 Ng8 34.Kg4 Rh2 35.Rbb1 h6 (36.Kf3 Nf6–+) 0–1. Diener,Rudolf – Heinrich, corr, 1972.

13.e4 Ne4 14.Nde4 de4 15.Qd6 Qg5 16.g3 (16.g4!? Rf6 17.Qd5 Be6 18.Qb7+=) 16...Rac8–/+ 17.Qd5 (17.Rd1 Rc2 18.Bc4 Kh8–+ (18...Rc4?! 19.Qd5 Kh8 20.Qc4=)) 17...Kh8 18.Be5? (better is 18.Ba3 Rfd8 19.h4–/+ (19.Qb7?? Nc5 20.Qc8 Qd2 21.Kf1 Rc8–+)) 18...Bh3 (18...Ne5?! 19.Qe5 Rc2 20.Qd4–/+) 19.Rd1 (19.Bg7 Qg7 20.Rd1 Nc5–+) 19...Qe5 (worse is 19...Ne5 20.Qd2 Qe7 21.Qe3–+) 20.Qe5 (20.Qd2 Nc5 21.Qd4 Qc7–+) 20...Ne5 21.Bf1 (21.b6 ab6 22.a4 Rc2–+) 21...Nf3 22.Ke2 Bg4 (22...Bg4 23.b6 Nd4 24.Kd2 Nc2–+) 0–1. Hasler,Ulrich (1990) – Barlow,John A (2515), World Cup XII P058, 2000.

13.e4= h6 14.ef5 hg5 15.0–0 =.

13.e4 Ne8

14.Qb3 Nb6 15.Ngf3+= Be6 16.ed5 Bd5= 17.Bc4? (better is 17.Qe3!? Nf6 18.0–0= (< 18.Be5 Ng4 19.Qd4 Bf3 20.Bd6 Be2 21.Ke2 Rf2 22.Kd1 Rg2–+)) 17...Nc4–/+ 18.Nc4 Qc7 (18...Rf4 19.Rc1 Re4 20.Kf1–/+) 19.Nfd2 Rc8 20.Rc1 Rf4 21.b6 (21.Nd6 Qc1 22.Bc1 Rc1 23.Ke2 Bb3 24.Rc1 Nd6 25.ab3 Nb5=+) 21...ab6 (21...Bc4 A) 22.bc7 Bb3 23.ab3 Rc7–/+ (< 23...Bc7 24.Be5 Rf7 25.Bd4=); B) 22.Nc4?! Qf7 23.ba7 Ra8+/–; C) 22.Rc4 Qc4 23.Nc4 (23.Qc4? Rfc4 24.Nc4 Rc4–+) 23...Rcc4 24.ba7+–) 22.Nb6?? (better is 22.Nd6 Qd6 23.Qh3 Rc1 24.Bc1 Ba2 25.Bb2–/+) 22...Qc1–+ (23.Bc1 Rc1 (23...Bb3?! 24.Nc8 Ba2 25.Nd6 Nd6 26.Bb2–/+) 24.Ke2 Bb3 (24...Rh1 25.Qd5 Rf7 26.Nf3+–) 25.Rc1 Ba2–+; 22...Bb3?! 23.Rc7 Rc7 24.ab3–+) 0–1. Suess,Stefan – Kometzky, corr ICCF GT–120, 1986.

14.Qb3 Nb6 15.Ngf3 Be6 16.Ne5 Be5 17.Be5 Qg5 (17...Qe7 18.Qc3+=) 18.Qg3+/– Qg3 (18...Qh6 19.Bd4+/–) 19.Bg3 (19.hg3 Nf6 20.Bd6 de4 21.Bf8 Rf8+/–) 19...de4 20.Ne4 Nf6 21.Nf6 (21.Nf6 Rf6 22.0–0+/–) 1–0. Suess,Stefan – Spoerr,Rolf, corr, 1975.

14.Qb3 Nb6 15.Ngf3+= Be6 16.Ne5!? Qe7 17.Qe3 +=.

14.Qb3 Nb6 15.h4 h6 16.Ngf3 Bg4 +=.

14.Qb3 Nc7= 15.Ngf3 Be6 (better is 15...Nc5!? 16.Qe3 Be4 17.Be5 Be5 18.Ne5 Qf6 (18...Bg2? 19.Rg1+–) 19.Ne4 Ne4–/+) 16.ed5= Bd5 (16...Nc5 17.Qc2 Bd5 18.Ne5=) 17.Bc4 Nb6 (better is 17...Bc4 18.Qc4 Kh8=) 18.0–0–0?? (better is 18.Bd5 Ncd5 19.0–0+= (19.Ne5? Be5 20.Be5 Qe7–+; 19.Be5? Be5 20.Ne5 Qe7–+)) 18...Nc4–+ 19.Nc4 Qe7?? (better is 19...e4 20.Nfd2 Rc8–+) 20.Rd5+= Nd5 21.Ne3 Kh8 (21...Rac8 22.Kd1 Rcd8 23.Nd5 Qf7+/–) 22.Qd5 (22.Nd5!? Qe6 23.Re1+=) 22...Rac8 23.Kb1 Rc5 24.Qd2 a6? 25.ba6 ba6 26.Rd1 Rfc8?? 27.Qd6+– Qe8 28.Ne5 Rb5 29.N3c4 h6 30.Qd7 Qd7 31.Rd7 Rbc5 32.Ng6 Kh7 33.Rg7 1–0. Suess,Stefan – Pilarski,Tomasz, corr, 1984.

14.Qb3 Nc7!? 15.Qg3 Ne6 16.Ne6 Be6 =.

14.Ndf3 Qa5 15.Kf1 de4 16.Nh4 =.

14.Ndf3 Be4 15.Ne4= de4 16.Qd5 Kh8 17.Qe4 Nc5 18.Qe3 e4 19.Nd2 Qe7 (19...Bf4 20.Qc5 Qd2 21.Kf1=+) 20.Ba3 (20.Rc1 Na4 21.Bd4 Bf4=) 20...Nc7 21.0–0 Nd5 22.Qd4 Nf4 23.Bc4 Nh3 24.Kh1 (24.gh3 Qg5) 24...Nf2! 25.Rf2 (25.Qf2 Rf2) 25...Rf2 26.Qf2 e3 27.Qg1 ed2 28.Rd1 Na4 29.Rd2 (29.Bd6 Qd6 30.Bb3 Nc3–+) 29...Ba3 30.Bb3 (30.Qf1 Nc3–+) 30...Nc3 31.Bc4 Rc8 32.Bb3 (32.Bd3 Bb4–+) 32...Bc5 33.Qa1 (33.Qf1 Rf8 34.Qa1 Qf6–+) 33...Re8 34.h3 Qe1 35.Qe1 Re1 36.Kh2 Bg1 (37.Kg3 Ne4 38.Kg4 Nd2–+) 0–1. Gerold,D – Zeh,K, corr ICCF EU–M, 1981.

14.ef5 Qg5 15.0–0 (better is 15.Nf3 Qg2 16.Qd5 Kh8 17.Rg1=) 15...Qf5–/+ (worse is 15...Rf5 16.Nf3 Rf3 17.Bf3+=) 16.Bg4 Qf7 17.Bd7 (17.Nf3 e4 18.Nd4 Nc7–/+) 17...Qd7 18.Nf3 d4 (18...Qb5 19.Be5 Rf3 20.a4–+) 19.a4 (19.Qb3 Qf7 20.Rfe1 Qb3 21.ab3 Rf5–/+) 19...Nf6 (19...Rd8 20.Re1 Qf5 21.Qd2–/+) 20.h3 (20.Re1 Rae8–/+) 20...Qf7 (20...Rad8 21.Re1 Rfe8 22.Qd3–/+) 21.Ba3 Ba3 22.Ra3 Qd5 (22...Rae8 23.Re1 Nd7 24.Qe2–/+) 23.Re1 Rfe8 (23...Rae8 24.Rb3–/+) 24.Qb3 Qb3 25.Rb3 Nd7 26.Ra3 (26.Rd3 Rad8–/+) 26...Rad8 (26...Rac8 27.Rd3–/+) 27.Raa1 Nc5 (27...d3 28.Re4–/+) 28.Ne5 (28.Re5 Re5 29.Ne5 d3+=) 28...d3–/+ 29.f4 d2 (29...g5 30.g3 gf4 31.gf4–/+) 30.Red1 Rd5 (30...Rd4 31.Nf3 Rf4 32.Nd2 Na4 33.Rdc1–/+) 31.Nf3 Ne4–/+ Black gets strong initiative 32.Ra2 Rc8 33.Kh2 Rc1 34.Rdd2 Nd2 35.Nd2 a6 36.ba6 ba6 37.Nf3 Rc4–+ 38.Kg3 Rf5 39.Ne5 Rcf4 40.a5 Re4 41.Nd7 Rb4 42.Nb6 Rbb5 43.Nc4 Rbc5 44.Ra4 Rfd5 45.Rb4 Rb5 46.Ra4 Rd4 47.Kf2 Rf5 48.Ke3 Rff4 (48...Rff4 49.Ra3 Rc4–+) 0–1. Scholz,Guenter – Zeh,Karl Heinz, corr ICCF, 1980.

14.h4+= de4 15.Qb3 (15.g4 Bg6 16.Ne6 Qa5 17.Nf8 Kf8+/–) 15...Kh8 16.Nf7 Rf7 17.Qf7 Bg6 18.Qd5 (18.Qb3 Nef6 19.h5 Nc5+=) 18...Nb6 (18...Bb4 19.Rd1+/– (19.Qb7 Bd2 20.Kf1 Nc5–+)) 19.Qb3 (19.Qb7 Bb4 20.Rd1 Nd6+=) 19...Nf6 (19...Qd7 20.h5 Bf7 21.Qg3+/–) 20.h5+– Bf5 21.h6 Qe7 (21...g5 22.Qg3 Nfd7 23.f4 ef3 24.Nf3+/– (24.gf3?! Na4 25.Bc1 Qf6+=)) 22.hg7 (22.g4 Ng4 23.Bg4 Bg4 24.hg7 Qg7 25.Ne4 Bc7+–) 22...Qg7 23.Kf1 (23.Rh2 Nfd5 24.g4 Bg6+–) 23...Rg8 (23...Nfd5 24.Rh2+/–) 24.Rh2 Qd7 (24...Bg4 25.Rd1+/–) 25.Rd1 (25.Nc4 Be6 26.Nb6 ab6+–) 25...Be6+/– 26.Nc4 Qc7 27.Rd6 Bc4 28.Bc4 Nc4+= 29.Rd1 e3 30.Rc1= Nd2 31.Ke2+/– ef2 32.Qe6 Rg6?? 33.Be5 Qc1 34.Bf6 Rf6 35.Qf6 Kg8 36.Qg5 1–0. Zschalich,Arndt – Otte,Harro, corr DDR–ch M736, 1985.

14.h4!? h6 15.Qb3 +=.

14.h4 h6 15.ef5 hg5 16.hg5 Nc7 +/–.

12.cd5 Nd5!

13.Nge4 Be4 14.Ne4 Bb4 15.Nd2 Qa5 16.bc6 (16.Bc1 cb5 17.a3 N7b6–/+) 16...bc6 17.Bc1 Kh8 (17...Bc3!? 18.Rb1 Qa2–/+) 18.Qc2 (18.0–0 Nc3 19.Nb3 Nd1 20.Na5 Nc3–+ (worse is 20...Ba5 21.Rd1 Nf6 22.Ba3+=)) 18...Qb6 (18...Qc5 19.Qd3+=) 19.Qb3 (19.a3 Ba5=) 19...Nc5 (19...Rfb8 20.0–0+=) 20.Qc2= Rf2 (20...Ne6 21.a3 Rf2 22.ab4 Re2 23.Ke2 Qe3 24.Kf1–+) 21.Kf2 Ne3 22.Qb1 (22.Ke3 Decoy theme: e3 22...Ne4 Discovered attack) 22...Nc2 23.Kf1? (23.Qc2 Nd3 Discovered attack) 23...Rf8–+ 24.Nf3?? (24.Bf3 Na1 25.Qa1 Bd2 26.Bd2–+) 24…Ne4 (24...Ne4 25.Be3 Ne3 26.Kg1 Nc4 27.Nd4 Qd4; 24...Na1?! 25.Be3 (worse is 25.Qa1 Ne4 26.Qd4 Qd4 27.Be3 Qe3 28.Bc4 Nd2) 25...Bc3 26.Qb6 ab6 27.Bc5 bc5 28.Bd3–+) 0–1. Sternik,Ryszard – Kornowski,Zdzislaw, corr Poland, 1967.

13.Ngf3 e4 14.Nd4 =.

13.Ngf3 Be6 14.0–0 =.

13.h4 Nc5 14.e4+= Bg4 15.0–0 (15.ed5!? Nd3 16.Bd3 Bd1 17.Rd1 cd5 18.Bh7 (worse is 18.Nh7 e4 19.Nf8 ed3–/+) 18...Kh8 19.Bd3=) 15...Be2+= 16.Qe2 Nf4 17.Qc4 Kh8 18.g3 (18.bc6 b5 19.Qc2 Qc7=) 18...Nfd3 19.Ba3 cb5 (19...Qd7 20.bc6 bc6 21.Rad1+=) 20.Nf7= Rf7 21.Qf7 b4 22.Bc1 Rc8 (22...Bf8 23.Nb3 Ne4 24.Qb7=) 23.a3 (23.Rd1 Rc7 24.Qf3 Kg8=) 23...Rc7 24.Qf3 b5 25.ab4 Nb4 26.Nb3 Nc6 27.Nc5 Bc5 28.Be3 Bd4 29.Ra6 h6 30.Qe2 Qb8 (30...Nb4 31.Ra3 Nc2 32.Ra2 Be3 33.fe3+=) 31.Bd4 Nd4 32.Qh5 Re7 33.Rb1 b4 Black plans b3 34.Qg6 b3 35.Kg2 Qf8 36.Qh5 Qc8 37.Qg6 Qf8 ½–½. Cottarelli,Franco (2140) – Rawlings,Alan J. C (2210), WS/M/121 ICCF, 2007.

13.h4 h6!? 14.g4 hg5 15.gf5 gh4 = (15...Rf5? 16.e4+–).

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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