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1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5

(...)

6.Bb2 c5 7.Nf3 Re8 8.Be2 Nc6 9.a3 Ba5 10.0–0 dc4 11.Bc4 Be6 12.Be6 Re6 13.Qc2 Rd6 14.d4 cd4 15.ed4 Bb6 16.Nc3 Bd4 17.Nd4 Nd4 18.Qd1 Rc8 19.Nb5 Rb6 20.Na7 Rc4 21.Bd4 Qd4 22.Nc8 Qd1 23.Nb6 Qf1 24.Kf1 Rc6 ½–½. Zimmer – Voelkel, corr 1980.

6.Bb2 Be6–/+ 7.Qc2 Nc6 8.a3 Be7 9.f4 Qd7 10.Nf3 Rad8 11.Be2 Ne4 12.Bd3 Bf5 13.Nc3+= Bf6 14.cd5 Bc3 15.Be4 Bb2 16.Bf5 Qd5 17.Bh7 Kh8 18.Be4 Qd6 19.Ng5 Qf6?? 20.Rb1 Ba3 21.Bc6 bc6 22.Qh7# 1–0. Ortner,H (1820) – Pendinger,R (1950), Raika op 5th, 1996.

6.Qc2? Nc6 7.Bb2 Re8 8.Nf3 Bf8 9.a3 g6 10.Be2 Bg7 11.0–0 Ne7 12.Nc3 b6 13.Nd5 Nfd5 14.Bg7 Kg7 15.cd5 Nd5 16.Rac1 c5 17.a4 Nb4 18.Qc3 Qf6 19.d4 Bg4 20.dc5 Qc3 21.Rc3 Rac8 22.Bb5 Re7 23.c6 a6 24.Be2 Rc6 25.Rc6 Nc6 26.Ba6 Bf3 27.gf3 Ne5 28.f4 Nd7 29.Rb1 Re4 30.Bb5 Nc5 31.Bc6 Re6 32.Rb6 Na4 33.Rb4 ½–½. Mroz – Gugulski, corr 2. AMM Poland 1992–94.

6.Qc2? Re8 7.Bb2 (better is 7.a3 Nc6 8.ab4 Ne5 9.Nf3–/+) 7...d4 8.Qd3 c5 9.Qe2? (9.Be2 Ng4 10.Kf1–+) 9...Ng4 10.e4 f5 11.f3 fe4 12.fe4 (12.fg4 e3 13.Nf3 Bg4 14.Qd3 Bf3 15.gf3 ed2 16.Kd1 Re1 17.Kc2 d1Q 18.Qd1 Rd1 19.Kd1–+) 12...Bf5!! 13.Kd1 (13.ef5 Qh4 Double attack (13...Re2 Pinning; 13...Re2 Deflection; 13...Re5 Decoy)) 13...Re4 14.Qf3 Qd7 (14...Qe8 15.Be2 Ne5 16.Qb3–+ (16.Qf5?? Qa4 17.Ke1 Nd3 18.Kf1 Qd1 19.Bd1 Re1)) 15.h3 (15.Bd3–+) 15…Nf2!! (15...Nf2 16.Kc2 Re3 17.d3 Qa4 18.Kc1 Re1 19.Qd1 Qd1#) 0–1. Djurisic,Dusan – Stamenkovic,Aleksandar (2280), 21st Belgrade Trophy, Obrenovac SRB, 2008.

6.Bc3 Bc3 7.Nc3 d4–/+ 8.Nb5 Re8 9.Be2 c5 10.Bf3 Nc6 11.Ne2 Ne5 12.ed4 Nf3–+ 13.gf3 a6 14.Nbc3 cd4 15.Ne4 Ne4 16.fe4 Re4 17.0–0 Bh3 18.Ng3 Bf1 19.Ne4 Bc4 20.d3 Bb5 21.Rc1 Bc6 22.Rc4 f5 23.Ng3 Qd5 24.f3 Re8 25.Rb4 a5 26.Rc4 Re3 27.Qb3 Kf8 28.Qa3 Ke8 29.Nf1 Rf3 30.Rc6 bc6 31.Nd2 Rf4 32.Qb2 Rg4 33.Kf2 Qg2 34.Ke1 Qh2 35.Kd1 Rg1 36.Kc2 Qd2 37.Kd2 Rg2 38.Kc1 Rb2 39.Kb2 h5 (39...h5 40.Kc2 h4–+) 0–1. Panke,W – Franken,A, corr we cup pr, 1994.

6.Bc3 Nc6 7.d4 Bf5 8.Qb3 Bc3 9.Nc3 Na5 10.Qa4 Nc4 11.Bc4 dc4 12.Qc4 Re8 13.Nge2. Suess – Richter, corr 1985.

6.Nc3 dc4 7.Bc4 Nbd7 8.Bg3 Nb6 9.Qb3 Nc4 10.Qc4 c5 11.a3 Be6 12.Qb5 Bc3 13.dc3 Ne4 14.Nf3 Nc3 15.Qc5? Qd3–+ 16.Ng1?? Rfd8 17.f3 Bc4 (17...Bc4 18.Qc4 Qc4–+) 0–1. Suess,Stefan – Hacker, corr, 1986.

6.Nc3 c6 7.Nf3 Bg4 8.Rb1 Bc3 9.Bc3 b6 10.Be2 Nbd7 11.0–0 Bf5 12.Rc1 dc4 13.Bc4 b5 14.Be2 Rc8 15.Nd4 Be6 16.Ne6 fe6 17.d4 a6 18.Qb3 Nd5 19.Bb4 Rf6 20.Bd6+/– a5 21.a4 Nf8 22.Be5+– Rf7 23.ab5 cb5 24.Bb5 Rc1 25.Rc1 h5 26.Qc4 h4 27.Qc8 Qg5 28.Be8 Rf2? 29.Kf2 Qe3 30.Kf1 Qd2 31.Qc6 h3+/– 32.gh3 Qd3= 33.Kg1 Qe3 34.Kg2 ½–½. Hirtreiter,Michael – Ivanov, corr BdF, 1987.

6.Nc3 Be6 7.Bf6= Qf6 8.Nd5 Bd5 9.cd5 Re8 10.Nf3 Nd7 11.Rb1 a5 12.Bb5 c6 13.dc6 bc6 14.Be2 Qd6 15.0–0 Ne5 16.d4 Ng6 17.Qd3 a4 18.Rfc1 Ba5 19.Qc4 Rec8 20.Rb7 Rf8 21.Qc6 Qd8 22.Rc5 a3 23.Bc4 (23.Bc4 Nh8 24.Ng5+–) 1–0. Pommerel,Wim – Breite, CiF, 1988.

6.Bd3? dc4 7.Bc4 Ng4 8.Bb2 Ne3! 9.fe3 Qh4 (9...Qh4 10.Kf1 Qc4 11.d3 Rd8–+) 0–1. Waibel,Ulrich (1650) – Schnabel,Florian (2460), RSX – Spendenturnier, 2004.

6.cd5 0–0 7.Nc3 Bc3 8.dc3 Nd5 9.Bc4 Be6 10.Bd5 Bd5 11.Nf3 Nc6 12.Bc7 Qc7 13.Qd5 Rad8 14.Qc4 h6 15.0–0 Qd6 16.Rab1 b5 17.Rb5 Rc8 18.Qb3 Rb8 19.a4 a6 20.Rb6 Rb6 21.Qb6 Rb8 22.Qa6 Qc5 23.Nd4 Rb6 24.Qc8 Kh7 25.a5 Rb8 26.Qc6 1–0. B Wall – Bgtait, Internet 1999.

6.cd5 Qe7 7.Bc3 Nd5 8.Bb4 Qb4 9.Ne2 Rd8 10.Nbc3 Qa5 11.Nd5= Rd5 12.Nc3 Rd8 13.Rb1 Nc6 14.Qa4 Qc5 15.Be2 a6 16.Bf3 Ne5 17.Be4. Gabor,Klaus – Koehler,Hans_Peter, THT (year?).

6.Be2 dc4 7.Bc4 Be6 8.Be6=+ White fights for the Initiative 8...fe6 9.a3 Ba5 10.Qb3= Qd5 11.Qd5 ed5 12.Nf3 Ne4 13.Bc3 Bc3 14.Nc3 c6 15.Rb1 b6 16.Ne4+/– de4 17.Ng5 Re8 18.Rb4 Nd7 19.Re4+/– Nc5 20.Re8 Re8 21.Ke2 h6 22.Nf3 Ne4 23.d4 g5 24.Ne5 Re6 25.f3 Nc3 26.Kd3 Nd5 27.Rc1 c5 28.Ke4 Ne7 29.dc5 Nc6 30.f4 gf4 31.ef4 b5 32.Kd5 Rf6 1–0. guest3527 – guest2739, ICC, 2005.

6.Nf3 b6 7.a3 Be7 8.cd5 Qd5 9.Nc3 Qe6 10.Nb5 Na6 11.Nbd4 Qd7 12.Qc2 c5 13.Bb5 Qg4 14.h3 Qg2 15.Rg1 Qh3 16.Nc6 Qf3?? 17.Ne7+– Kh8 18.Bc6 Qh5 19.Qb2 Qh6 20.Rg7 Kg7 21.0–0–0 Bg4 22.Rg1 Qh3 23.Bf6 Kh6 24.Bg7 Kg5 25.Qf6 (25.Qf6 Kh5 26.Qh6#) 1–0. b4_player – kabatz, gamecolony.com, 2006.

6.Nf3 Nc6 7.Bb2 Re8 8.Be2 Bg4 9.0–0 dc4 10.Bc4 Na5 (10...Qe7 11.a3 Bd6 12.d4+=) 11.Be2 Nc6 (11...Bd6 12.d4+=) 12.d4 (12.Bc4 Qe7+=) 12...Nd5 13.Qc2 (13.a3 Bd6=) 13...Qf6 (13...Bd6 14.Nc3 Ncb4 15.Qb3=) 14.a3 (14.Nc3 Bc3 15.Bc3 Bf5=) 14...Bd6+= 15.Nc3? (15.Qb3 Rad8=) 15...Nc3?? (better is 15...Bf3 16.Bf3 Nd4 17.ed4 Qf4–+) 16.Bc3= Qe6 (16...Qh6 17.h3 Bh3 18.gh3 Qh3 19.d5 Qg4 20.Kh1 Qh3 21.Kg1 Qg4 22.Kh1 Qh3 23.Kg1=) 17.Qb2 Rab8 18.h3 Bf5 19.d5 Qd5 20.Bg7 Qe6 21.Bh8 (21.Rfc1 Qg6 22.Nh4 Qg7 23.Qg7 Kg7 24.Nf5 Kf6 25.Nd6 cd6+/–) 21...Ne5= 22.Be5 Be5 23.Ne5 Qe5 24.Qe5 (24.Ra2 Be4 25.Qe5 Re5=) 24...Re5 25.g4 (25.Rfd1 c5=) 25...Be6 26.Rfd1 (26.Rab1 c5=) 26...c5+= 27.Rac1 Rc8 (27...b5 28.Rd6=) 28.Bc4 (28.Kf1 Kg7=) 28...Bc4 Black launches an attack 29.Rc4 b5 30.Rf4 Kf8 31.Rd7= Re7 32.Re7 Ke7 33.Rf5 a6–/+ 34.Re5 Kd6 35.Rf5 c4–+ 36.Rf4 c3 37.Rd4 Ke7 38.Rd1 a5 39.f4 b4 40.ab4 ab4 (40...ab4 41.Ra1 b3–+) 0–1. Bonetti,Shane – Darkchessplayer (2345), ICC, 2002.

6.Nf3 Ne4 7.Qb3= Nc6 8.Bg7 Kg7 9.cd5 Qf6 (9...Qf6 10.dc6 A) worse is 10...Qa1 11.Qb4 Re8 A1) 12.cb7 Bb7 13.Qb7 Rab8 14.Qa7 Qb1 (14...Rb1?! 15.Ke2=) 15.Ke2 Red8–+; A2) 12.Bd3+=; B) 10...a5+=). Nesterowitsch – Litvinov, corr, 1962.

6.Nf3 Ng4 7.Bb2 c6 8.cd5 cd5 9.Bb5 a6 10.Ba4 b5 11.Bb3 Bb7 12.0–0 Bd6 13.d4 f5 14.Ba3 Nh2?? 15.Bd6?? Nf1? 16.Bf8+– Ne3 17.fe3 Qf8 18.Ne5 Nc6?? 19.Bd5 (19.Bd5 Kh8 20.Nf7 Qf7 21.Bf7+–) 1–0. mtr – killingjoke, Caissa's Web, 2001.

6.f4 Be7 7.Nf3 c5 8.Nc3 Nbd7 9.cd5 Ne5 10.Ne5 Nd5 11.Qb3 Nb6 12.Be2 Be6 13.Qc2 Qc8 14.0–0 a6 15.Rab1 Nd7 16.Qe4 Ne5 17.Qe5 Bf6 18.Qh5 Bc3 19.dc3 Ba2 20.Rbd1 Qe6 21.Qe5 Qe5 22.fe5 Rfe8 23.Bf3 Rab8 24.Rd6 Re5 25.Bb7 Re3 26.Ba6 Rc3 27.Rfd1 g5 0–1. Kaltschnee – Garcia, corr ICCF 1983.

6.Bf6 Qf6 7.Nc3 Bc3 8.dc3 Qc3 9.Ke2 Qc4 10.Ke1 Qb4 11.Ke2 Nc6 12.Qd2 Bg4 13.f3 Bf5 14.Rc1 Rac8 15.Qd5?? Rfd8 16.Rc4 Qb2 (16...Qb2 17.Ke1 Rd5–+) 0–1. Hedke,Sebastian – Ruether,Rudolf, CiF, 1986.

6.h3 Re8 7.Bb2 Nc6 8.Nf3 d4 9.Qb3 de3 10.fe3 Bf5 11.Bc3 Qd6 12.Kf2 Ne4 13.Kg1 Qg3 14.Bb4 Qf2 15.Kh2 Ng3 16.Nc3 Nh1 17.Kh1 Rad8 18.Nd5 Rd7 19.d3 Qg3 20.Be1 Qd6 1–0. Schwichtenberg,Juergen – Will,Karl Heinz, Bad Wildungen, 1998.

6.a3 Nbd7

7.Bb2 Ba5 8.Qc2 Nc5 9.Nf3 Nfe4 10.Bd4 Re8 11.Be2 Bg4 12.h3 Bh5 13.0–0 Ne6 14.Bc3 Nc3 15.Nc3 (15.dc3 dc4 16.Qa4 b6+=) 15...d4 16.Ne4 c6 17.Rab1 Re7 18.Rfd1 Rd7 19.d3 de3 20.fe3 f5 21.Ng3 Bg6 22.c5 (22.Ne5!? Bc7 A) worse is 23.Ng6 Bg3 (worse is 23...hg6 24.Nf1+=) 24.Nf4 Bf4 25.ef4 Nf4–/+; B) 23.Nd7 Bg3 24.Rb7=) 22...Qc7+= 23.Nf1 f4 24.e4 Rad8 25.N1h2 b5 26.Kh1 Kh8 27.Rbc1 Qb8 28.Qa2 Re7 29.Nh4 f3 30.Bf3 Qg3= 31.Ng6 hg6 32.Nf1 Qf4 33.Bg4 Nd4 34.g3 Qe5 35.Qf2 Bc7 36.Kg2 a5 37.a4 Kg8 38.Qa2+= Rf7 39.Rd2 b4 40.Qc4 Kf8 41.Rb1 b3 42.Rbb2 Rb8 43.Rf2 Rf6 44.Bd1 Rb4 45.Rf6 gf6 46.Qc3 f5 47.Bb3 fe4 48.Rf2 Ke7 49.Ba2 e3 50.Rf4 Nc2 51.d4 Rd4 52.Qc2 e2 53.Qg6 Rf4 54.gf4 ef1Q 55.Kf1 Qf4 56.Ke2 Qh2 57.Ke3 Qa2 58.Qc6 Kd8 59.Qf6 Kc8–/+ 60.Qa6 Kb8 61.Qb5 Ka7 62.Qd7 Qa3 63.Kd4 Qb4 64.Kd5 Qb3 65.Ke4 Qc4 66.Ke3 Qc5 67.Ke2 Kb6 68.Qe6 Bd6 69.Qb3 Kc6 70.Qf3 Qd5 71.Qc3 Kd7 72.Qg7 Be7 73.Qh7?! Qa2 74.Ke3 Qa4 75.Qf5 Kd6 76.Qg6 Kc7 0–1. Degterev,Pavel (2225) – Van Seben,Edgar (2425), WC–2014–S–00011, 2011.

7.Bb2 Ba5 8.Nf3 Nc5 9.cd5 Bf5 10.Bc3 Bc3 11.Nc3 Nd5 12.Na4 Ne6 13.Be2 a6 14.0–0 b5 15.Nc3 c5 16.Nd5 Qd5 17.d3 Bg4 18.h3 Bh5 19.Qc2 Rfe8 20.Rfd1 Rac8 21.Rac1 Red8 22.Qb2 f6 23.Rd2 Qd6 24.Qa2 Bf7 25.Qb2 Qe7 26.Nh4 g6 27.Nf3 Be8 28.Rdc2 Bc6 29.Nd2 Bd5 30.a4 b4 31.Nc4 Rc7 32.Nb6 Bc6 33.a5 Kg7 34.Rd2 Bb7 35.h4 h5 36.Bd1 Kh7 37.Bb3 Ng7 38.e4 f5 39.Nd5 Bd5 40.ed5 f4 ½–½. Degterev,Pavel (2240) – Carbonell Bofill,Carlos Eloy (2285), BI–2010–F–00004, 2011.

6.Bb2 c6

7.a3 Ba5 8.cd5 Nd5 9.Bc4 Be6 10.Bd5 Qd5 11.Ne2 Qb3 12.Qb3 Bb3 13.0–0 Bc4 14.Re1 Nd7 15.Bc3 Bc7 16.d4 f5 17.Nd2 Bf7 18.Bb4 Rfe8 19.a4 b5 20.a5 a6 21.Rec1 Bd5 22.Nc3 Bf7 23.Re1 Rac8 24.e4 Bf4 25.Nf1 c5 26.dc5 Nc5 27.Nd5 Bd5 28.ed5 Re1 29.Be1 Rd8 30.Rd1 Ne4 31.g3 Be5 32.f4 Bd6 33.Kg2 Bc5 34.Kf3 Kf7 35.g4 g6 36.g5 Ke7 37.Ne3 Kd6 38.Nc2 Kc7 39.Bb4 ½–½. Malmstroem – Bagnall, corr ICCF EU–I–GT–127 1978.

7.Nf3 Be6 8.Na3 Qe7 9.cd5 cd5 (9...Bd5 10.Nc4+= Bc5 11.Be2 b5 12.Nce5 Nbd7 13.Nd7+=; 9...Nd5 10.Nc2 Bd6 11.Ncd4 Bg4 12.h3 Bd7 13.Qb3=) 10.Nc2 (10.Nb5 Nc6 11.a3 Ba5 12.Be2 Rfc8 13.0–0=) 10...Bd6 11.Be2 (11.Rb1 Nbd7 12.Ncd4 Rfc8 13.Be2=) 11...Nc6 12.0–0 (12.Rb1 b6 13.Nfd4=) 12...Rac8 13.Ncd4 Ba3 (13...Nd4 14.Nd4 Rfe8 15.Rb1=) 14.Rb1 Bb2 15.Rb2 Rb8 16.Qb1 (16.Qa4 Rbc8+=) 16...Nd4= 17.Nd4 Rfc8 18.a4 Ne8 (18...b6 19.a5 Qd6 20.a6=) 19.Bd3 (19.f4 Nd6+=) 19...h6 (19...Nf6 20.Rc1 Rc1 21.Qc1=) 20.f4+= Nd6 21.Qa2 Rc5 22.Rc2 Rbc8 23.Rc5 Rc5 24.f5 Bc8 25.Nb3 Rc7 26.Nd4 Rc5 27.Qa3 Qc7 28.Nb5 Nb5 29.ab5 b6 30.Ra1 Bd7 31.Rb1 Qb7 32.Kf2 Qc7 33.g3 Be8 34.Qb2 f6 35.Qb3 Bf7 36.Qa3 Be8 37.Kg2 Bf7 38.Kf2 Qe7 39.Ra1+= Be8 40.Qa7 Qa7 41.Ra7 Bb5 42.Bb5 Rb5 43.Ke2 Ra5 44.Rd7 Kf8 45.h3 Rc5 46.Rb7 Rc6 47.Kd3 Rd6 48.Kd4 Kg8 49.Ra7 Rd8 50.d3 Kf8 51.g4 Kg8 52.Ra6 Rd6 53.Ra2 Kf8 54.Rb2 Ke7 55.Rb5 Kd7? 56.Rd5 Kc6 57.Rd6 Kd6 58.Kc4 Kc6 59.e4 Kd6 60.d4 Kc6 61.Kb4 Kd6 62.Kb3 Kc7 63.e5 fe5 64.de5 Kd7 1–0. Jacobi,Karl_Heinz (1910) – Modes,Werner (1630), 14 sen. LSEM Sachsen/Anh. op, 2006.

6.Bb2 Nc6

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

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

6.Bb2 Bf5

7.Nf3 c5 8.cd5 Nbd7 (worse is 8...Qd5 9.Bf6 gf6 10.a3+=) 9.Be2 Nb6 10.0–0 Nbd5 11.Na3 Ne4 12.Nc4 b5 13.Nce5 c4 14.Nd4 Qf6 15.Nf5 Qf5 16.Bg4 Qg5 17.Bf3 Nd2 18.Bd5 Rad8 19.a3 Ba5 20.e4 Rd5 21.ed5 c3 22.Nf3 Nf3 23.Qf3 cb2 24.Rab1 Bc7 25.Rfe1 Be5 26.d6 Bd6 27.Rb2 Qc5 28.Rb3 a5 29.Rc3 Qa7 30.Qd5 b4 31.Rc6 Bc7 32.ab4 ab4 33.Qb5 Qb8 34.Qb8 Bb8 35.Rb1 Rd8 36.g3 Be5 37.Rb4 g6 38.Rb5 Re8 39.f4 Bd4 40.Kf1 Re7 41.Rd5 Bb2 42.Rb6 Bc3 43.Rdb5 Re1 44.Kg2 Re2 45.Kh3 Kg7 46.Rc6 Bf6 47.Rc7 Re8 48.Rbb7 Rf8 49.Rd7 Bc3 50.Kg4 h5 51.Kf3 Ba5 52.h3 Bc3 53.g4 hg4 54.Kg4 Ba5 55.f5 Kf6 56.Rd6 Ke5 57.Ra6 gf5 58.Kf3 Bc3 59.Rb5 Kd4 60.Rf5 1–0. Degterev,Pavel (2275) – Pannekoek,Willem_Jan (2200), SM–2008–0–00038, 2008.

7.Nf3 Nbd7 8.Be2 dc4 9.Bc4 Nb6 10.Be2 c5 (10...Bd6 11.0–0+=) 11.0–0 Rc8 12.Qb3 Re8 (12...a5 13.a3 c4 14.Bc4 Rc4 15.ab4 Rb4 16.Qa2=) 13.Rc1 (13.a3 Ba5=) 13...a6 14.a4 h6 15.Na3 Ne4 16.d3 Be6 17.Qc2 Nd6 18.Rd1 Bf5 19.Qb3 Qd7 20.Nc4 Qe6 21.Nfe5 Ndc4 22.Nc4 Nc4 23.Qc4 Qc4 24.dc4 Rcd8 25.Bf3 Be6 26.Bb7 Bc4 27.h3 Kf8 28.Rdc1 Bd3 29.Rd1 Be2 30.Rd5 Bc4 31.Rd8 Rd8 32.Rc1 Be2 33.e4 Rd2 34.Be5 a5 35.Bc6 g5 36.h4 f6 37.Bc3 Rd3 38.Ba1 Ke7 39.hg5 hg5 40.Kh2 Rd1 41.Rd1 Bd1 42.Bb5 Bb3 43.Kg1 c4 44.Bb2 Ke6 45.Kf1 c3 46.Bc1 Bd1 47.f3 Bd6 48.Ke1 Bb3 49.g4 Bf4 50.Bf4 gf4 51.Ke2 Bc2 52.Be8 Kd6 53.Bf7 Kc5 54.Bd5 Kb4 55.Bc6 Ba4 (55...Ba4 56.Ba4 Ka4–+) 0–1. Degterev,Pavel (2530) – Cid Gallego,Sergio (2070), Champions League, 2007.

6.Nc3 Nbd7

7.a3? Ne5–+ 8.ab4 dc4 9.d4 (better is 9.f4 Bg4 10.Qb1–+) 9...cd3 10.Ra2 Qd6 11.Rb2 (11.b5 Bf5 12.Nf3 Qb4–+) 11...Bf5 (11...Nc4!? 12.Rb3 d2 13.Ke2–+) 12.Nb5 Qb6 13.Nd4 Nc4 14.Ra2 (14.Nf5 Nb2 15.Qb3 d2 16.Kd2 Rad8 17.Kc2–+) 14...Qb4 15.Rd2 Nd2 16.Qd2 Qb1 (16...Qb1 17.Qd1 d2 18.Kd2 Ne4 19.Ke1 Qb4 20.Ke2 Qb2 21.Qc2 Nc3 22.Kf3 Bc2–+) 0–1. Mosley,Gene – Auburger,Kirstin, DESC, 2005.

7.Bf6 Nf6 8.Qb3 Bc3 9.dc3 +=.

7.Bf6 Nf6 8.Qb3 Bc3 9.Qc3 c5 10.cd5 Qd5 11.Nf3 Ne4 12.Qc4 Be6 13.Qd5 Bd5 14.d3 Nc3 15.a4 b6 16.Ne5 f6 17.Nd7 Rf7 18.Nc5 bc5 19.Kd2 Na2 20.e4 Be6 21.f4 Rd7 22.f5 Bf7 23.Ke3 Nb4 24.Rc1 Rad8 25.Rc3 Bh5 26.h3 Bd1 27.Rc5 Nd3 28.Rc3 Nb4 29.Bb5 Nc2 30.Kf4 Rd2 31.Rd1 Rd1 32.Rc2 R1d2 33.Rd2 Rd2 34.g3 Rd5?? 35.ed5 1–0. Mroz – Warczynski, corr Poland 1985–86.

7.Bf6 Nf6 8.Qb3 Bc3 9.Qc3 Ne4 10.Qd4 c5 11.Qd5 Qf6 12.Qe4 Qa1 13.Ke2 Qa2 14.g4 Bd7 15.Nf3 Bc6 16.Qd3 Rad8 17.Qc3 Bf3 18.Kf3 Rd2 0–1. Roczniak – Abramowski, corr Poland.

7.Bf6 Nf6 8.Nf3 c5 9.Nd5 Nd5 10.cd5 Qd5 11.a3 Ba5 12.Qa4 Bc7 13.Bc4 Qh5 14.Qb3 Rb8 15.a4 b6 16.Bd5 Rd8 17.e4 Bb7 18.Bb7 Rb7 19.d3 g5 20.Nd2 g4 21.Nf1 c4 (21...c4 22.Qc4 Be5=; 21...Be5!? 22.Rd1 Rbd7=+). Kroll,Ove – Lund,Jens Christian, corr DEN–ch Denmark, 1980.

7.Bg3 dc4 8.Bc4 Nb6 9.Bb3 Re8 10.Nge2 Bg4 11.Qc2 a5 12.a3 Bd6 13.f3 Be6 14.0–0 Bg3 15.Ng3 Bb3 16.Qb3 Qd2 17.Nce4 Ne4 18.fe4 Qd7 19.Rac1 a4 20.Qc3 Rac8 21.Nf5 f6 22.Rf4 Re5 23.h4 Qe6–+ 24.Qd3 Nd7 25.Qd1 Nf8 26.Qg4 g6 27.Nh6 Kg7 28.Nf5 Kh8 29.Nd6? Rb8?? 30.Qe6= Re6 31.Nf7 Kg7 32.Rc7 Rc6 33.Re7 Re6 ½–½. Krueger,Jan – Cottarelli,Franco (2185), corr ICCF WSTT/3/06/2, 2006.

6.cd5 Qd5

7.Bf6 gf6 8.Ne2 Rd8= 9.Nbc3 Qe5 10.Rc1 Nc6 11.Ng3 Be6 12.Qa4 Rd2 13.Kd2 Rd8 14.Bd3?? Bc4–+ 15.Qc2 Qc3 16.Qc3 Rd3 17.Kc2 Bc3 18.Rcd1 Nb4 19.Kc1 Na2 20.Kb1 Nb4 21.Ne4 Be5 22.f4 Rb3 23.Kc1 Nd3 (23...Nd3 24.Rd3 Bd3–+; better is 23...Bb2 24.Kd2 f5 25.Nf6 Bf6 26.Rb1 Rd3 27.Kc1–+) 0–1. Teichmann,Erik – McKay,Roderick M, Lloyds Bank op, 1985.

7.Bf6 gf6 8.Nf3 Bg4 9.Be2 Nc6 10.Qc2 Bf5 11.Qb2 Qd6 12.0–0 Rad8 13.a3 Ba5 14.d4 Bb6 15.Nbd2 Na5 16.Qb5 Qd5? (16...Bg6 17.Rfd1+/–) 17.Qb4 (better is 17.Qd5 Rd5 18.e4+–) 17...Rfe8+/– 18.Nh4 Nc6 19.Qc4 Bg6 20.Qd5 Rd5 21.Nc4 (better is 21.Ng6!? Rd4 22.ed4 Re2 23.d5+/–) 21...Bd4 22.Rad1 Rdd8 23.Ng6 fg6 24.Bf3 Bc5 25.Rb1 Rb8 26.Rfc1 Bf8 27.a4 Bh6 28.g3 Kg7 29.Bc6 bc6 30.Rb8 Rb8 31.Na5 Re8 32.Rc6 Re7 33.Nb7 Kf7 34.Nc5 Bf8 35.Na6 Rd7 36.Nc7 Bd6 37.Nb5 Bb4 38.Nd4 a5 39.Ra6 f5 40.Nc6 Rd5 41.Kg2 Rd6?? 42.Nb4+– (42.Nb4 Ra6 43.Na6+–) 1–0. Alessandro,Sergio (1675) – Cellante,Francesco, Udine DLF op, 2007.

6.Be2 Nc6

7.Bc3 Ne4 8.Nf3 Re8 9.cd5 Qd5 10.Bb4 Nb4 11.Qa4 Nc6 12.0–0 Be6 13.Rc1 a6 14.d3 Nf6 15.Nc3 White gets in control 15...Qd6 16.Ng5 Bf5 17.Qb3 Bg6 18.Qb7+= Reb8 19.Nb5 Qh2 20.Kh2 Rb7 21.Bf3 Ng4 22.Bg4 Rb5 23.Ne6! Rb6?? 24.Nc7+/– Rd8 25.d4 Be4 26.f3 Bd3 27.Rc3 Bg6 28.Rb3 Rdb8 29.Rb6 Rb6 30.Rc1 f5 31.Nd5 Rb2? 32.Bf5! (32.Bf5 Bf5 33.Rc6+–) 1–0. Hoegborg,Per Goesta – Wesslen,Birger, corr SSKK veteran–SM, 1989.

7.Nf3 Ne5 8.Ne5 d4! 9.0–0 Re8 10.Nd3 (10.f3 d3; 10.f4 Bc5 11.Nd3 Qe7!) 10...Ba5 11.Nf4 c6 12.Bd3 Bc7! 13.Ne2 (13.Na3 Qd6! 14.Nc2 g5!; 13.Re1 de3 14.de3 Bf4 15.ef4 Re1 16.Qe1 Qd3; 13.g3 Be5!) 13...Bh2! 14.Kh1 (14.Kh2 Ng4 15.Kg3 de3 16.de3 Qg5! 17.f4 Qh5 18.e4 Ne3 19.Qe1 Qg4) 14...Be5 15.f4 Ng4! 16.g3 de3 17.Bh7 Kh7 18.Qc2 Kg8 19.fe5 Qg5! 0–1. Wasilewski – Giethmann, corr 1957.

6.Be2 Be7

7.Bb2 c5 8.cd5 Nd5 9.Nc3 Bf6 10.Qb3 Nb4 11.Ne4 Bb2–/+ 12.Qb2 Bf5 13.Ng3 Bd3 14.Kf1 Be2–/+ 15.N1e2 Nd3 16.Qb7?? Qf6–+ 17.Nf4 Qa1 18.Ke2 Nf4 19.ef4 Re8 20.Kf3 Qa2 21.Qa8 Qb3 22.Kg4 Qe6 23.f5 Qd7 24.Qf3 Qd2 25.Rd1–/+ Qb4 26.Kh3 Qb6 27.Qd5 Qh6 28.Kg4 Qb6 29.Ne4 Na6 30.Nd6 Rf8 31.f6 gf6 32.Qh5 Qb2 33.Rd3 Qe5 34.Qe5 fe5 35.Kf5 Rd8–/+ 36.Ke5 Nc7 37.Rf3 Rd7 38.Rg3 Kf8 39.Nf5 Rd5 40.Ke4 f6 41.f4 Rd7 42.h3 Nb5–/+ 43.Rb3 Nd4 44.Nd4 cd4 45.Kd3 Kg7 46.Ra3 Kg6 47.Ra5 f5 48.g3 h5 ½–½. Kilpatrick,Robert – Lumsden,Jamos PL, corr SCCA, 1978.

7.Nf3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Be7 7.Be2).

7.Nf3=+ c5 8.Bb2 Nc6 9.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Be7 7.Be2 c5 8.0–0 Nc6 9.Bb2).

6.Qf3 Nbd7

7.Bb2 c6 8.Bd3 Nc5 9.Qe2? dc4–+ 10.Bc4 b5 11.Bd4 bc4 12.Bc5 Bc5 13.Qc4 Qd5 14.Qd5 cd5 15.Ne2 Ba6 16.f3 Be2 17.Ke2 d4 18.Rc1 Rac8 19.e4 Bd6 20.Rh1 Rc4 21.a4 Rfc8 22.h3 Nh5 23.Rd1 Nf4 24.Kf2 Rc1 25.Rc1 Rc1 26.h4 f6 27.g3 Nd3 (27...Nd3 28.Ke2 Nc5–+) 0–1. Mroz,Antoni – Mirski,J, corr Poland, 1988.

7.Bc3 Bd6 8.cd5 Ne5 9.Be5?? Be5 –+.

6.Nf3 dc4

7.a3 Ba5 8.Bc4 Nc6 9.0–0 Ne5 10.Ne5 Be6 11.Be6 fe6 12.Qb3 Qd5 13.Nc4 Bb6 14.Nc3 Qg5 15.Nb6+/– ab6 16.Qe6 Kh8 17.Rac1 Rae8 18.Qb3 Ng4 19.f3+– Nf6 20.Nb5 Qd5? 21.Qd5 Nd5 22.Nc7 Nc7 23.Rc7 Rf6 24.Rfc1 Rd6 25.Rc8 Rg8 26.Rg8 Kg8 27.Rc8 Kf7 28.Rc7 Kf6 29.d4 Rc6 30.Rb7 1–0. Trokenheim,Marek (1800) – Hess,Volker, FICGS, 2008.

7.Bc4 Nbd7 8.Qb3 Ne5 (8...Qe7 9.Bf6 (9.Bc7? Nc5 10.Qb2 Qc7–+) 9...Nf6 10.a3+=) 9.Ne5= Bd6?? (better is 9...Qe7 10.Nf7 b5 11.Nh6 Kh8 12.Nf7 Kg8 13.Nh6 Kh8 14.Nf7 Kg8=) 10.Nf7+– (10.Bf7?! Kh8 11.Nf3 a5=) 10...Rf7 11.Bf7 Kh8 12.Nc3 b6 13.0–0 Bb7 14.d4 Ng4 15.h3 Bh2 16.Kh1 Bg2 (16...Bd6 17.Be6 Nf6+–) 17.Kg2 Qh4 (17...Qg5 18.hg4 Qg4 19.Kh1+–) 18.Be6 1–0. pierred (2795) – cristero (2485), net–chess.com, 2016.

6.Nf3 Bd6

7.Bb2 c6 8.h3 Qc7 9.Nc3 dc4 10.Bc4 Be6 11.Qb3 Bc4 12.Qc4 Nbd7 13.0–0 Rfe8 14.d4 Nb6 15.Qd3 Nfd5 16.Nd2 (16.e4 Nf4 17.Qc2 Nc4=+) ½–½. Wilk,E – Skuczynska, Augustow, 1994.

7.Bb2 Be6 8.Nd4 –/+.

7.d4 Be6 8.Bd6 Qd6 =.

7.Bd6 Qd6 8.cd5 Qd5 9.Nc3 Qa5 10.Be2 Nd5 11.Nd5 Qd5= 12.0–0 c5 13.d4 Nc6 14.dc5 Qc5 15.Qb3 Qe7 16.Rab1 b6 17.Qa4 Bb7 18.Qf4 h6 19.h4 Rad8 20.Rfc1 Qd6 21.Qf5 Qd5 22.Qc2 Na5 23.Rb5 Qe4 24.Qe4+= Be4 25.Nd4 Rc8 26.Rc8 Rc8 27.Re5 Bb1 28.a3 Nc4 29.Re7 a5 30.Bc4+/– Rc4 31.Rb7 Ra4 32.Rb6 Ba2 33.Rb2 Ra3= 34.Rb8 Kh7=+ 35.Ra8 Bd5 36.Ra7 Ra1 37.Kh2 a4 38.Nc2 Rc1 39.Nb4 Bb3 40.Nd3 Rc3 41.Ne5 f6 42.Nd7= Kg6 43.Nb6 Rc2=+ 44.Kg3 Ra2 45.h5 ½–½. Scheller,Claus Dieter – Peterwitz,Klaus, Schleswig Holstein–ch M, 1994.

6.Nf3 Be6

7.Qb3 Nc6 8.a3 Ne5 9.Ne5 Bd6 10.f4 Be5 11.fe5 Ne4 12.Nc3?? (better is 12.g3–/+) 12...dc4–+ 13.Qc2 Qh4 14.g3 Ng3! 15.hg3 Qg3 (15...Qg3 16.Kd1 Qf3 17.Ke1 Qh1–+; worse is 15...Qh1 16.Qe4 Qe4 17.Ne4–+) 0–1. Rush,Bradley – Gavrileteanu,Lucian (1830), 56. LSS No Engine Cup Preliminary, 2011.

7.cd5 Nd5 8.Be2 Nd7 9.Bb2 N7f6 10.0–0 Be7 11.a3 c5 12.d4 a6 13.Nbd2= b5 14.dc5 Bc5 15.Nd4 Bd7 16.Bf3 Rc8 17.Ne4 Ne4 18.Be4 Nf6 19.Bf3 Qb6 20.Qe2 Rfe8 21.Rfd1 Bd6 22.Qd3 Be5 23.h3 Rc4 24.Rac1 Rec8 25.Qb3 Rc1 26.Bc1 Rd8 27.Bb2 h6 28.Nc6 Bc6=+ 29.Be5 Bf3 30.Rd8 Qd8 31.gf3 Qd5 32.Qd5 Nd5 33.Bd4 f6 34.Kf1 Kf7 35.Kg2 Ke6 36.Kg3 b4 37.ab4 Nb4 38.e4 a5 39.Bc3 Nc6 40.f4 a4 41.Kg4 a3 42.Kh5 Kf7 43.Kg4 a2 44.Kh5 Nb4! 45.Kg4 Nc2 46.Kf5 (46.e5 g6–+) 0–1. Szczesiak,Zenon – Mroz,Antoni, corr 2. AMM, Poland, 1994.

6.a3 Ba5

7.Bb2 c5 8.cd5 Bf5 (< 8...Qd5 9.Bf6 gf6 10.Nc3+=) 9.Nc3 Nd5 10.Qf3 Be6 11.Ne4 Ne7 12.Ne2 f5 13.N4c3 Qd7 14.Nf4 Rd8 15.Qd1 Bf7 16.Qc2 Nbc6 17.Rd1 Rac8 18.Be2 a6 19.Na4 Nd4 20.ed4 cd4 21.Nc5 b6 22.Nd7 Rc2 23.Ne5 Rb2 24.Nf7 Kf7 25.Ba6 Kf6 26.Nh5 Kg6 27.Nf4 Kh6 28.Ke2 Re8 29.Kd3 Nc6 30.Bb7 Ne5 31.Kd4 Ng4 0–1. Bilsel,Sabahaddin – Woischke,Norbert, TKM/SF/01, 2001.

7.Bc3 c5 8.Ba5 Qa5 9.Nc3 d4–/+ 10.Nd5 Nd5 11.cd5 Nd7 12.Qb3 de3 13.fe3 Nb6 14.Bd3 Re8 15.Ne2 c4 16.Bc4 Nc4 17.Qc4 Re3 18.0–0 Qd2 19.Qc7 f6 20.Qd8 Kf7 21.Nf4 Re8 22.Qc7 Re7 23.Qd8 Qe3 24.Kh1= Re8 25.Qc7 Qe7 26.Rac1 Qc7 27.Rc7 Re7 28.Rfc1 g5 29.d6 Rd7 30.Nd5 Rc7 31.Nc7 Rb8 32.Re1 Bf5 33.Re7 Kg6 34.Ne8 Rd8 35.Rg7 Kh6 36.Re7 g4 37.Kg1 a5 38.Kf2 b5 39.Kg3 Kg5 40.Rg7= Bg6 41.d7 f5 42.Nd6 Kf6 43.Ne8?? Ke5?? 44.Re7=+ 0–1. Ringsborg,Allan – Smithers,Steven, corr ICCF EM/MN/007 Email, 1998.

7.Nc3 dc4 8.Bc4 Nc6 9.Nf3 Ne5 10.Ne5 Bc3 11.dc3= Bf5 12.Bf7 Rf7–/+ 13.Nf7 Kf7 14.Qb3 Qd5 15.Qd5 Nd5 16.Rc1 Bd3 17.c4 Nb6–/+ 18.c5 Na4 19.Kd2 Rd8–+ 20.f4 Be4 (20...Be4 21.Ke2 Rd3–+) 0–1. Plath – Merkl, corr SOK–89–30, 1989.

7.Nc3 Nbd7–/+ 8.Bg3 Ne4 9.Ne4 de4–/+ 10.Ne2 Nc5 11.Nd4=+ f5 12.h3? f4!–+ 13.Qh5? fg3 14.Qc5 gf2 15.Ke2 Rf5! (15...Rf5 16.Qf5 Bf5 17.Kf2 Qf6–+) 0–1. Nielsen,PM – Ganesan, corr ICCF TT–4–90 SF, 1993.

7.Bd3 dc4 8.Bc4 Ng4 9.Bg3 Qf6 10.Ra2 Nc6 11.Nf3 Nce5 12.Ne5 Ne5 13.Be5 Qe5 (13...Qe5 14.0–0 Qg5=). Waibel,Ulrich (1830) – Kappes,Dieter (2310), RSM2004 remoteschach.de, 2004.

7.cd5 Nbd7 8.Bc3 Bb6 9.d6 9...cd6–/+ 10.Nf3 Nc5 11.Be2 Be6 12.Nd4 Bd7 13.a4 Nfe4 (13...Nce4 14.0–0+=) 14.0–0+= Nc3 (14...Qg5!?+=) 15.Nc3= Ba5 16.Nd5 (16.Bb5 Be6=) 16...a6 (16...Ne4 17.Nb3=) 17.Bf3 Rc8 18.Qb1 Bd2 (18...Ba4 19.Nf5 b5 20.Qb2+/–) 19.Rd1 Ba5 20.Nf5 Bf5 21.Qf5 Rb8 (21...Re8 22.Rac1=) 22.Rd4+= g6 23.Qh3 Kg7 (23...Qg5 24.Rad1=) 24.Rad1 (24.Rh4 Rh8+=) 24...Qd7 25.Qh4 (25.Qg3 Bd8+= (25...Na4?? 26.Qf4 Bd8 27.Ra4+–)) 25...Bd8= 26.Qg3 Na4 27.Nf4 (27.e4 Re8=) 27...Be7 28.Nh5? Exerts pressure on the isolated pawn (28.Nd5!? Nc5 29.h4+=) 28...Kh8–/+ 29.Rd6 (29.Qf4!? Nc3 30.Rd6–/+) 29...Bd6–+ 30.Rd6 Qe7 (30...Qb5!? 31.Nf6 Rbd8 32.h4 Rd6 33.Qd6–/+) 31.Nf6–/+ Rbc8?? (better is 31...Rfd8 32.Qh4 h5 33.Rd8 Rd8–/+) 32.Qh4+– Rc1 (32...Qf6 33.Qf6 Kg8 34.h4+–) 33.Rd1 Rd1 (33...Kg7 34.Nh5! gh5 35.Qe7+–) 34.Bd1 h5 (34...Kg7 35.Nh5! gh5 36.Qe7 Rc8+–) 35.Qg5 (35.Qg5 Qf6 36.Qf6 Kg8 37.Bb3+–; 35.Ba4?! Rc8 36.g3 Qe6=) 1–0. Morriss,Pete (2030) – Vasiukov,Evgeni (2445), Katerini GRE, World Seniors Ch, 2014.

7.Be2 Be6 8.cd5 Nd5 9.Nf3 Nd7 10.Bb2 c5 11.Qc2 Rc8 12.0–0 Bc7 13.Nc3 a6 14.Bd3 g6 (14...h6 15.Be4 N7f6 16.Nd5 Nd5 17.Ne5=) 15.Be4 (15.Nd5 Bd5 16.e4 Bc6+=) 15...N7f6= 16.Nd5 Nd5 17.Rfc1 b6 18.Qd3 f5 (18...a5!?=) 19.Bd5+= Qd5 (19...Bd5!? 20.Qc3 Kf7+=) 20.Qc3+/– (20.Qa6?! f4 21.Re1 Bf5=) 20...Kf7 21.Ng5 Ke7 22.Nh7 (worse is 22.Ne6 Qe6 23.a4 Kd8+=) 22...Rf7 (22...Qd6 23.f4 Rg8 24.a4+/–) 23.Ng5+– Rff8 24.Qg7 Ke8 (better is 24...Bf7+–) 25.Nh7 Rf7 26.Nf6 Rf6 27.Bf6 Qd6 (27...Bf7 28.d4+–) 28.Qg6 Kd7 29.Qh7 Kc6 30.d4 Qd5 (30...c4 31.Be5 Qd7 32.Qh6+–) 31.dc5 bc5 32.Rab1 Rg8 33.g3 Qf3 (33...f4 34.e4 Qd7 35.Qd7 Bd7+–) 34.Rc5! Kd6 (34...Kc5 35.Qc7 Mate attack) 35.Qc7 1–0. marekt – TicklyTim, chessworld.net, 2013.

7.Nf3 c5!? 8.Be2 Nc6 9.Bb2 Bg4 10.cd5 Nd5 11.0–0 Qd6 12.Nc3 Rfe8 13.Nd5 Qd5 14.d4 c4 15.Qc2 b5 16.Bc3 Bc7 17.Rab1 Rab8 18.Bb4 Re6 19.Nh4 Nb4 20.ab4 Rh6 21.Bg4 Rh4 22.h3 Rb6 23.Qf5 Qd6 24.Qc8 Bd8 25.Qd7 Qd7 26.Bd7 Rhh6 27.d5 Rhd6 28.Bc6 a6 29.Ra1 Bf6 30.Ra5 Bb2 31.Ra2 c3 32.Ba8 g6 33.Re1 a5 34.ba5 Ra6 35.Bc6 b4 36.Bb5 Ra7 37.Bc4 Ba3 38.a6 ½–½. Flaherty – van der Kooij, corr 1988.

7.Ra2 dc4

8.Bc4 Nc6 9.Bf6 Qf6 10.Nf3 Qg6 11.0–0 Bh3 12.Nh4 Qe4 13.d4 Qh4 14.gh3 Qh3 15.Bd5 Nd8 16.Qf3 Qh6 17.Bb7? Qg6–+ 18.Kh1 Nb7 19.Qb7 Rab8 20.Qa7 Qc6 21.f3 Qc4 22.Raf2 Bb6 23.Nd2 Qf1!! 24.Nf1 Ba7 25.Kg2 Rb3 26.Ra2 f5 27.a4 f4 28.e4 Rfb8 29.Rd2 Rb2 30.Kh3 Rd2 31.Nd2 Bd4 0–1. Crafty 19.01 – Fritz 8, 2004.

8.Bc4 Nc6 9.Bf6 Qf6 10.Nf3 Qg6 11.0–0 Bh3 12.Nh4 Qg5 13.Rc2 Qh4–/+ 14.gh3 Ne5 15.Bd5 c6 16.Bg2 Nd3 17.Qg4 Qd8 18.Be4 Re8 19.Bf5 Qd6 20.Rc4? Ne5–+ 21.Qf4 Nc4 22.Qc4 Rad8 23.Qg4 Bc7 24.f4 g6 25.Qg5 c5 26.h4 Kh8 27.Bg4 White intends h5 27...Ba5 28.Rd1 f6 29.Qh6 Qd3 30.h5 Bd2! 31.Kg2 Qc2 32.Rd2 Rd2 33.Nd2 Qd2 34.Kf1 Qh2 35.f5 Qh1 36.Kf2 Rd8 37.Kg3 Qg1 38.Kh3 Re8 39.e4 Qh1 (39...Qh1 40.Kg3 Qe1 41.Kh3 Qe4 42.fg6 Qe3 43.Qe3 Re3 44.Kh4 hg6 45.hg6 c4–+) 0–1. Crafty 19.01 – Fritz 8, 2004.

7.cd5 Nd5

8.Bb2 Nc6 9.Be2 Qg5 10.Nf3 Qg6 (10...Qg2? 11.Rg1 Qg1 12.Ng1+–) 11.0–0 Bh3 12.Ne1 Bf5 13.d3 Rfe8 14.Bf3 Nb6 15.Bc6 Qc6 16.e4 Bg6 17.Nd2 Rad8 18.Rc1 Qa4 19.Qe2 Nd5 20.Ndf3 Qb3 21.Qc2 Qc2 22.Rc2 Nf4 23.Ne5 f6 24.Ng6 hg6 25.h4 Be1 26.Re1 Nd3 27.Rb1 c5 (27...Nb2?! 28.Rbb2 Rd1 29.Kh2 Re4 30.Rc7 Rh4 31.Kg3=) 28.f3 f5 29.Bc3 b6 30.Re2 g5 31.hg5–/+ Nf4 32.Ree1 fe4 0–1. Bilsel,Sabahaddin – Palmkoeck,William, TKM/SF/01, 2001.

8.Qc2 Nc6 9.Bb2 Re8 10.Be2 Qe7 11.Nf3 Nf4–/+ 12.Bf1 Bg4 13.Qa4 Qd6 14.Nc3 Bf3 15.gf3 Ne5 16.0–0–0 Nfd3 17.Bd3 Nd3 18.Kb1 Re5 (18...Re5 19.Rhg1 Qb6–/+ (19...Nf2?! 20.Ne4 Ne4 21.fe4=); 18...Qb6!? 19.Qc2 Nf2 20.Rdg1 Bc3 21.Qc3–+) 0–1. Fleuriot,R – Meyer, corr France, 1976.

8.Qc2 Nc6 9.Bb2 Re8 10.Nf3 Nf4 11.Qc4 Ng6 (11...Qd6 12.Ng5 Nd5 13.Qd3=) 12.Qa4 (12.Nc3!?=) 12...a6 13.Be2 Bf5 14.0–0 b5 15.Qd1 Bd3 (15...Qe7 16.a4 b4 17.d4=) 16.Bd3 (16.Nd4 Nce5 17.Bd3 Nd3=+) 16...Qd3=+ 17.Ne1 Qd6 (17...Qd5 18.d4=) 18.d4 (18.Bc3 Nge5=+) 18...Nce5 19.Nf3 Nc4 20.Qc2 Nb2 (20...c5 21.dc5 Qc5 22.Nbd2=+) 21.Qb2= c5 22.a4 b4 23.Nbd2 cd4 24.Nc4 Qc7 25.Na5 Qa5 26.Nd4 ½–½. Gomez,Gustavo Daniel (2520) – Fleetwood,Daniel M (2495), Interzonal Team Tournament, 2000.

8.Qc2 Nc6 9.Bb2 Qh4!

8.Bc4 Ne3! 9.Bf7?? Rf7 10.fe3 Qh4 11.Bg3 Qf6 12.Nf3 Qa1 13.Ng5 Qa2 14.Nf7 Qf7 15.Rf1 Qe6 16.Qf3 Nd7 17.Be5 c6 18.Nc3 Bc3 19.Bc3 b6 20.Qg3 Qg6 21.Qh4?? Ba6 22.Rf4 Qb1 23.Kf2 Qf1 24.Kg3 Qe1 25.Kh3 Qh4 (25...Qh4 26.Kh4 Re8–+) 0–1. Diener,Rudolf – Szklarczyk,J, corr ICCF EU/M/Gr/627 (year?).

8.Be2.

8.Nf3 Nc6 9.Bb2 Qd6 10.Qc2 Bg4 11.Bd3 Qh6 12.Be4 Rad8 13.Nc3 Nb6 14.0–0 Nc4 15.Nb1 Nb2 16.Qb2 Rfe8 17.Qc2 Rd6 18.Nc3 Rde6 19.Bd5 Qh5 20.Be6 Re6 21.Ne1 Rh6 22.h3 Bh3 23.f4 Bf5 24.Qb3 Bb6 25.Nf3 Bd3 26.Rfe1 Rd6 27.Rac1 h6 28.Kf2 Qg4 29.g3 Qf5 30.Qd1 Nd8 31.Qa4 Ne6 32.Qe8 Kh7 33.Rh1 Qf6 34.Qa4 Nc5 35.Qb4 a5 36.Qb2 Bf5 37.Ne5 Nd3 38.Nd3 Rd3 39.Rc2 Qc6 40.Rh2 a4 41.Qc1 Ba5 42.Rh4 Qd7 43.Qb2 Rd6 44.Nb5 Rb6 45.Rc5 c6 46.e4 Be4 47.Qd4 Qd4 48.Nd4 Bd2 49.f5 Bd5 50.Nf3 Rb2 51.Nd2 Rd2 52.Ke3 Rg2 53.Rd5 cd5 54.Kf3 Ra2 55.Ra4 h5 56.Ra7 f6 57.Rb7 Ra3 58.Kf2 d4 59.Rd7 Ra5 60.Rd4 Rf5 61.Kg2 g5 62.Rd3 Kg6 63.Rd2 Ra5 64.Rb2 Ra8 65.Kh3 Ra4 66.Kg2 h4 67.gh4 Rh4 68.Rb6 g4 69.Rb8 Rh3 70.Rg8 Kf5 71.Rc8 Re3 72.Rc6 Kg5 73.Kf2 Re5 74.Rc8 f5 0–1. Degterev,Pavel (2225) – Dorer,Manfred (2240), CP–2007–S–00001, 2010.

8.Nf3 Nc6 9.Bb2 Bf5 10.Be2 Qd6 11.0–0 Rad8 12.Qa4 Nb6 13.Qb5 Bd3 14.Bd3 Qd3 15.Qh5 Rd6 16.Ne5? (better is 16.Rc1+=) 16...Qb5–+ 17.Nc3 Qe5 (17...Qb2?! 18.Nc6 Rc6 19.Qa5 Qd2 20.Rac1–/+) 18.Qg4?? (18.Qe5 Ne5 19.Nb5 Rd2 20.Be5–+) 18...Rd2 19.Na4 Rb2 20.Nb2 Qb2 21.a4 Qb4 22.Qg3 Na4 23.Rfb1 (23.Kh1 Nc3–+) 23...Nc3 24.Re1 Qb2 25.Qf3 Ne5 26.Qh5 Nd3 27.Qa5 (27.Qf3 Ne1 28.Re1–+) 27...Qf2 28.Kh1 Ne1 29.Qg5 Qf1 0–1. Jostov,Keylah – Traczewski,Wojciech, 6. LSS No Engine Cup Preliminary, 2009.

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

8.Nf3 Bf5 9.Qb3 Nc6 10.Bb2 Qd6 11.Nc3 Nb6 12.Nb5 Qg6 13.Nh4 Qe6 14.Qe6+= Be6 15.Nc7 Rad8 Looking at d2 16.Bc3 Bc3 17.dc3 Ne5 18.Ne6 fe6= 19.Be2 Na4 20.c4 Rc8 21.Nf3 Nc4 22.Ng5 Rfe8 23.Ne4 Red8 24.Rc1 b5 25.Bc4= bc4 26.Ke2 ½–½. Degterev,Pavel – Tasic,Vladimir, SH–2006–0–00057, 2006.

8.Nf3 Bf5 9.Qb3 Be4 10.Be2 Nd7 11.Bb2 Nc5 12.Qc4 Qe7 13.0–0 c6 14.d4 Nd7 15.Nbd2 Bd2 16.Nd2 N7f6 17.Bd3 b5 18.Qc2 Rfe8? 19.Ne4+– Ne4 20.Be4 Qe4 21.Qe4 Re4= 22.Rfc1 Re6 23.Re1 h5 24.Rac1 a5 25.e4 Nf4 26.Re3 Rg6 27.g3+/– h4 28.Kf1 hg3 29.hg3 Nh5 30.Rc5 Nf6 31.Rc6 The passed pawn on d4 will become decisive later 31...Ng4 32.Rg6 Ne3+= 33.fe3 fg6 34.Ke2 Rb8 35.d5 Kf7 36.Kd3 b4 37.ab4 Rb4 38.Bc3 Rb3 39.Kc4 a4 40.e5 Rb6 41.e6 Ke8 42.Bb4+– Ra6 43.Ba3 Ra8 44.d6 Rb8 45.e4+– g5 46.e5 g4 47.e7 Kd7 48.Kd5 Rb5 49.Kd4 Rb8 50.Kc5 Rb3+= 51.e6 Ke8 52.Bb4 Rd3?? 53.Kc6 (53.Kc6 Rd6 54.Kd6+– (54.Bd6 g5 55.Kd5 a3+–)) 1–0. Tilp,Andreas – Hartwig,Bernhard, corr DDR, 1987.

8.Nf3 Bf5 9.Be2 Nd7 10.Bb2 c6 11.0–0 Qb6 12.Qc1 Nc5 13.Bd4 Nb3 14.Bb6 Nc1 15.Rc1 ab6 (15...Nb6? 16.Rc5 Bb1 17.Rb1 (17.Ra5?! Be4+=) 17...Bd2 18.Nd2+–) 16.Nd4 Bb1 17.Rcb1 Bd2 18.Bf3? (better is 18.Rb3+=) 18...Bc3–+ 19.Ra2 Nb4! 20.Re2 Ra3 21.Nc2 Nc2 22.Rc2 Rd8 23.g3 b5 24.Kg2 b4 25.Be4 g6 26.h4 Kg7 27.h5 Kf6 28.hg6 hg6 29.Rcc1 Rd2 30.Rd1 Rd1 31.Rd1 b3 32.Rd7 b5 33.Bc6 b2 34.Be4 Ra1 35.Rb7 b4 36.Rb6 Ke5 37.Rb5 Ke4 38.Rb7 b1Q (38...b1Q 39.f3 Kd3 40.Rd7 Ke2 41.Rd1 Qd1 42.g4 Qh1 43.Kg3 Be5 44.f4 Rg1) 0–1. Jostov,Keylah – Hruby,Milan (2145), IECG, 2009.

8.Nf3 Re8

9.Qa4 c5 10.Be2 Nc6 11.Bb2 Nf6 12.Qc2 Ne4 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Bg4 16.0–0 Qf6 17.Rab1 b6 18.Rbd1 Bf5 19.Bd3= Bd3 20.Qd3 Rad8 21.Qb5 Ne5 22.Ne5 Qe5 23.Rd3 Qe7 24.Rfd1 Rd3 25.Qd3 f6 26.Qd7 Kf7 27.Qa4+= Kf8 28.h3 a5 29.Rd7 Qe4 30.Qd1 Qe5 31.Ra7 Re7 32.Qd8 Re8 33.Qd7 Qe7 34.Qe7 Re7 35.Re7 Ke7=+ 36.c4 a4 37.g4 g6 38.f4= h6 39.h4 g5 40.h5 ½–½. Ramos,J – Jimenez Arteaga,Angel, corr, 1988.

9.Qa4 Nc6 10.Bb5 Nb6 11.Qf4 Ne5 12.Ne5 Re7 13.0–0? Qd5–+ 14.Nf3 Qb5 15.Nd4 Qh5 16.f3 Nd5 17.Qg3 c6 (17...c6 18.Nc2 Bf5–+) 0–1. Tilp,Andreas – Reichel, corr DDR, 1988.

9.Bb2 c6 10.Qc2 Bg4 11.Ne5 Be6 12.Bd3 h6 13.0–0 Nd7 14.Nf3 Bc7 15.Nd4 Qh4 16.g3 Qh3 17.Ne6 Qe6 (< 17...Re6 18.Bf5 Qh5 19.Be6 fe6 20.f4+/–) 18.Nc3 N7f6 19.Nd5 Nd5 20.Rfc1 Rad8 21.Bh7 ½–½. Bilsel,Sabahaddin – Boronka,Josef, TKM/SF/01, 2001.

9.Bb2 Nc6 10.Be2 Qd6 11.0–0 Bf5 12.Qb3 Rad8 13.Nc3 Bc3 14.Bc3 Nc3 15.Qc3 Be4 16.Rfc1 Qg6 17.d4 Rd7 18.Ne1 Bd5 19.Bf3 Ne7 20.Rab1 b6 21.Qc2 Qc2 22.Rc2 Bf3 23.Nf3 c5 24.dc5 Rc7 25.Rbc1 Rec8 26.Kf1 f6 27.Ke2 Kf7 28.Nd4 Rc5 29.Rc5 bc5 30.Nb5 Ke6 31.Na7 Ra8 32.Nb5 Ra5 33.Rc5 Ra4 34.Rc7 g6 35.Ra7 Rh4 36.Nd4 Kd6 37.h3 Nd5 38.Kd3 f5 39.f4 Kc5 40.Ra6 h5 41.Nf3 1–0. Arkell – Gallagher, 1986.

9.Bb2 Nc6 10.Be2 Re3 11.fe3 Ne3 12.Qa4 Bf5 13.Bb5 Nc2 14.Qc2 Bc2 0–1. guest1422 – guest159, ICC, 2002.

9.Bb2 Nc6 10.Be2 Re3 11.fe3 Ne3 12.Qb3 Ng2 13.Kf2 Bh3 14.Kg3 Qd6 15.Kh3 Nf4 16.Kg3 Ne2 17.Kf2 Nf4 18.d4 Qg6 19.Nbd2 Qg2 20.Ke3 Bd2 21.Nd2 g5 0–1. Harding,Timothy David – Wedemeyer, corr EU/M/881, 1989.

9.Bb2 Bf5 10.Bc4 Nb6 11.Be2 c5 12.0–0 Nc6 13.d4 cd4 (13...c4 14.Qc1+=) 14.Nd4= Nd4 15.Qd4 Qd4 16.Bd4 Rac8 17.a4 (17.Bf3 Re7=) 17...Re7 18.Rd1 Rec7 19.Bb6 (19.Na3 a6 (19...Na4? 20.Nb5 Nc3 21.Bc3 Bc3 22.Ra7+–) 20.Bb6 Bb6+=) 19...Bb6 (worse is 19...ab6 20.Na3 Bc3 21.Nb5 Ba1 22.Nc7+/–) 20.a5 Bc5 21.Nc3 Bc2 22.Rf1 (22.Rdc1 Be3 23.Rc2 Bd4+=) 22…Bf5 ½–½. Degterev,Pavel (2545) – Jaulneau,Christophe (2550), Memorial Bernstein A, 2007.

9.Bb2 Bf5 10.Bc4 Nb6 11.Be2 Nc6 12.0–0 Bd3 13.Nd4 Ne5 14.Nb3 Qd5 15.Bd3 Nd3 16.Bd4 Rac8 17.Qc2 c5 18.Qd3 c4 19.Qe2 cb3 20.Qg4 g6 21.Nc3 Qe6 22.Qf3 Rc6 23.Rfd1 Bc3 24.Bc3 Na4 25.Bd4 b2 26.Rab1 Qb3 27.h4 Rec8 28.Qf4?? f6?? 29.Re1 Qa3 30.Bf6 Rc1 31.Qd4?? Qa2 32.Kh2=+ Qe6 33.Bh8 Qf7 34.Qa4 Re1 35.Re1 Kh8 36.Rb1 Qf6 37.Qe4 h5 38.d4 Qf2 39.Rb2 Qb2 40.Qe5 Kh7 41.Qe7 Kh6 42.Qg5 Kg7 43.Qe7 Kh8 44.Qf6 Kh7 45.Qe7 Kh6 46.Qg5 Kh7 47.Qe7 ½–½. Zarkov 4.5t – ChessTiger15, 2004.

9.Bb5 Nd7 10.Qa4 c6 11.Bc6 bc6 12.Qc6 Ne5 13.Qa8 Nf3 14.gf3 Qf6 15.Qd5 Qa1 –+.

9.Bb5 Nd7!? 10.Bd4 c5 –/+.

9.Bb5 Re5 10.Ne5+= Qf6 11.Nc4 Qa1 12.Na5 Bf5 (better is 12...Nd7!?+=) 13.0–0+= Qb2 (13...c6 14.Qb3 Qf6 15.Bc4+=) 14.Nc3 Nc3 15.dc3 Nc6 16.Bc6 bc6 17.Nc6 Be4 (17...Be6 18.Qf3 Rf8 19.Qf4 Qc3 20.Qc7 Qa3 21.Na7+=) 18.Ne7 (18.Qd7!? Qb3 19.Nd8+/–) 18...Kf8 19.Qd4 Qb7 20.f3 c5 21.Qe4 Qe4 22.fe4 Ke7 23.Rb1 Rd8 24.Kf2 Rd3 25.Rb7 Ke6 26.Ra7 Rc3 27.Ra6 Ke7 28.e5 Rc2 29.Kf3 c4 30.h4 Ra2 31.Rc6 Ra3 32.Rc4 h5 33.Kf4 Ra2 34.g3 Rg2 35.Ra4 Rg1 36.Ra7 Ke6 37.Ra6 Ke7 38.Ra5 Ke6 39.Rb5 Rg2 (39...Rf1 40.Ke4=) 40.Rb6+= Ke7 41.e6 (41.Rb8 Rf2 42.Ke4 Ra2+=) 41...fe6 42.e4 Ra2 (42...e5 43.Kf3 Ra2 44.Rg6=) 43.Rb5+= Kf6 44.Rh5 Rf2 45.Ke3 Rf1 46.Ra5 Rg1 47.Kf2 Rb1 48.Ra7 Rb3 49.e5 Kg6 (49...Ke5 50.Rg7 Deflection (50.Ra5 Decoy)) 50.Re7 Rb2 51.Kf3 Rb3 52.Kg4 Rb4 53.Kh3 Rb6 54.g4 Kh6 55.Re8 (55.Kg3 g5=) 55...g5 (55...Kg6 56.h5 Kg5 57.Rg8 Rb3 58.Kg2=) 56.h5+= Kg7 57.Re7 (57.Kg3+=) 57...Kf8? (better is 57...Kh6!?=) 58.Rd7+/– Rb3 59.Kg2 Rb4 60.Kf3 Rb3 61.Kf2 Rb2 62.Ke3 Rb3 63.Kd4 (63.Rd3 Rb7+/–) 63...Rb4 64.Kc5 Rg4 65.h6 Rh4 (65...Kg8 66.h7 Kh8+–) 66.h7 g4 67.Kd6 (better is 67.Kd4+–) 67...g3= 68.Rd8 Kg7 69.Rg8 Kf7 70.Rg3 Rh7 71.Kd7 Kf8 72.Ke6 Re7 73.Kd6 Ra7 74.Rd3 Ke8 75.Ke6 Rh7 76.Kf6 Ra7 77.Rb3 Ra6?? (77...Rf7 78.Ke6 Re7 79.Kd5 Rd7 80.Ke4=) 78.Kf5 (better is 78.e6 Kd8 79.Kf7 Ra7 80.Kf8+–) 78...Ke7= 79.Rh3 Rb6 80.Rh7 Ke8 81.Ra7 Rc6 82.Rg7 Ra6 83.Rg6 White intends e6 83...Rg6 84.Kg6 Ke7 85.Kf5 Kf7 86.e6 Ke7 87.Ke5 Ke8 88.Kd6 Kd8 89.e7 ½–½. Llorente Zaro,Alfonso (2460) – Gomez Anadon,Daniel (2235), British Chess Championships, 2016.

9.Qc2 Nc6 10.Bc3 Nc3 11.Nc3 Bg4 12.Be2 Bf3 13.gf3 Bc3 14.Qc3 Qg5 15.Kf1 Qa5 16.Qb2 Qb6 17.Rb1 Qb2 18.Rb2 Rab8 19.d4+= Ne7 20.Rg1 b6 21.Rc2 c6 22.Bd3 f5 23.h4 g6 24.h5 Kf7 25.Ke2 Rbd8 26.f4 Kf6 27.hg6+= hg6 28.Kf3 Rh8 29.Bf1 Rd5 30.Bc4 Ra5 31.Ra1 Rc8 32.a4 Rd8 33.Bb3+= Rh8 34.Rac1 Rh3 35.Kg2 Rh5 36.Rc6 Nc6 37.Rc6 Kg7 38.Rc7 Kf8 39.d5 Rc5 40.d6 Rh8 41.Be6 g5 42.Rf7 (42…Ke8 43.Rb7+–) 1–0. Preuss – Buczinski,Henryk, corr 3GMM–34, 1997.

9.Qc2 Nd7 10.Bb2 N7f6 11.Nc3 Nc3 12.Bc3 Bc3=+ 13.Qc3 Ne4 14.Qb2 c5 15.Bc4 Qe7 16.h3 Bf5 17.0–0 Nd6 18.Be2 Rad8 19.d4 cd4 20.Nd4= Be4 21.Rac1 Qg5 22.Bf3 Bf3 23.Nf3 Qe7 24.Nd4 Rc8 25.Rfd1 Qe5 26.Qb3 Red8 27.Qb4 Qf6 28.Rc8 Rc8 29.Nb5 Nb5 30.Qb5+/– Rd8 31.Rd8 Qd8 32.Qb7 Qd1 33.Kh2 Qd6 34.g3 Qa3 35.Qa8 Qf8 36.Qa7 Qc8 37.g4 h5 38.Kg3 hg4 39.hg4 Kf8 40.Qa3 Ke8 41.Qd6 Qc2 42.f3 Qc4 43.g5 g6 44.Qf6 Qc7 45.Kg4 Qc4+/– 46.Kg3 Qc7 47.Qf4 Qc5 48.Qe4 Kf8 49.Kf4 Qd6 50.Qe5+– Qb4 51.Qd4 Qb8 52.Kg4 ½–½. Fischbach,R – Markus,John R, GER–ch qgB31 corr939, 1993.

9.Bc4 Nc6 10.Bb2 Nb6 11.Qc2 Nc4 12.Qc4 Be6 13.Qc2 Qd7 14.0–0 Bf5 15.Qb3 Re6 16.d4 (16.Qb7?? Rb8 17.Qb8 Nb8–+) 16...Be4 17.Nbd2 Bd5 18.Qc2 (18.Qb7?? Ne7 19.Qa8 Ba8–+) 18...Rae8 19.Qf5?? (better is 19.Bc3+=) 19...Bd2–+ 20.Nd2 Bg2! 21.f3? (21.Kg2 Rg6 Double attack (21...Rg6 Decoy)) 21...Bf1 22.Kf1 Rd6 (better is 22...g6 23.Qg4 f5–+) 23.Qd7 Rd7 24.Ne4 b6 25.Kf2 Rde7 26.Rg1 Kf8 27.a4 f5 28.Ba3 fe4 29.fe4 Kf7 30.Be7 Re7 31.Kf3 g6 32.e5 Nb4 33.Ke4 Ke6 34.Rf1 Rf7 35.Rc1 c6 36.h4 h6 37.Rc4 a5 38.Rc1 Rf2 39.h5 g5 40.Rc6 Nc6 41.d5 Kd7 42.e6 Kd6 43.dc6 Ke6 0–1. combijack (1765) – horsforth (1930), gameknot.com, 2010.

9.Bc4 Bg4 10.Bc3 Nc6 11.0–0 Nc3 12.Nc3 Bc3 13.dc3 Qf6 14.Be2 Qc3 15.Nd4 Be2–/+ 16.Ne2 Qe5 17.Qc2 Rad8 18.Rab1 Na5 19.a4 b6 20.Nd4 c5 21.Nf5 Nc6 22.Ng3 Rd5 23.Rbd1 Red8 24.Rb1 Nb4 25.Rb4? cb4 26.e4 Rd2 27.Qc4 a5 28.f4 Qb2 29.Qc7 Rg2 (29...Rg2 30.Kh1 Rh2 31.Kg1 Qg2#) 0–1. Schirmer,Michael – Frohlich,Rainer, BdF, 1984.

9.Be2 Nd7 10.Bb2 N7f6 11.0–0 Bg4 12.h3 Bh5 13.Qb3 c6 (13...Bb6 14.Nc3=) 14.d3 (14.Nc3 Nf4 15.ef4 Bc3 16.Bc3 Re2+/–) 14...Nf4+= 15.ef4 Re2 16.g4 Ng4 17.hg4 Bg4 18.Ng5 Be6 19.Qd1 Rb2 20.Qh5 h6 21.Ne6 fe6 22.Qe5 Qh4 (better is 22...Qf6–+) 23.Qb2+= Qg4 24.Kh2 Qf4 25.Kg2 Qg4 26.Kh1? (better is 26.Kh2 Bc7 27.f4–+) 26...Qf3 27.Kg1 Rf8 28.Nd2 (28.Qe5 Rf4 29.Qe6 Kh7 30.Ra2–+) 28...Qg4 29.Kh1 (29.Kh2 Rf5 30.Qg7 Kg7 31.Nf3 Rh5 32.Nh4 Rh4) 29...Rf5 0–1. Hilbert,Stephan J (1715) – Galus,Stanislaw (1790), FICGS, 2015.

9.Be2 Re5 10.Ne5 Qf6 11.Qa4? Qe5–+ 12.Qa5 Qa1 13.0–0 Qa2 14.Bf3 Nb6 15.Qe5 N8d7 16.Qc7 Qc4 17.Qd8 Nf8 18.Qe7 Rb8 19.Qd6 Nbd7 20.d4 b6 21.Nd2 Qe6 22.Qc7 a5 23.Nc4? Ba6 24.Rc1 Rc8 25.d5 Rc7 26.de6 Ne6 (26...Ne6 27.Bg4 b5–+) 0–1. Wantoch_Rekowski,Jacek – Pegiel,Marek, corr 2. AMM Poland, 1993.

9.Be2 Re5 10.Ne5 Qf6 11.Nc4 Qa1 12.Na5 b6 13.Bf3+= Be6 14.Nb3 Qb2 15.0–0 Nd7 16.d4 Ne3 17.fe3+/– Bb3 18.Qd2 Qd2 19.Nd2 Re8 20.Nb3 Re3 21.Rb1 Kf8 22.Kf2 Rc3 23.a4 a5 24.Ke2 Ke7 25.Kd2 Rc4 26.Ra1 Rb4 27.Kc3 Kd6 28.Be2 Nf6+/– 29.Bc4 Ne4= 30.Kd3 Nf2 31.Kc3 Ne4 32.Kd3 Nf2 33.Kc3 Ne4 ½–½. Morriss,P (1985) – Stull,Norbert (2165), World Seniors, 2009.

9.Be2 Re5 10.Ne5 Qf6 11.Nc4 Qa1 12.Na5 Qe5 13.d4 Qg5 14.0–0 b6 15.Nc4 Bb7 16.Bf3 Nd7 17.Nbd2 N7f6 18.Ne5 Rd8 19.Qa4 a6 20.Qb3 c5 21.h4 Qh4 22.dc5 Qg5 23.Nec4 b5 24.Nd6 Ba8 25.N2e4 Qg6 26.Nf6 Nf6 27.Ba8 Ra8 28.Rd1 Ne8 29.Qd5 Rd8? (better is 29...Rb8!?+/–) 30.Nf5+– (30.Nf5 Rd5 31.Ne7 Kf8 32.Ng6 hg6 33.Rd5+–) 1–0. Degterev,Pavel (2275) – Klykow,Luke (1835), WC–2013–P–00012, 2009.

9.Be2 Re5 10.Ne5 Qf6 11.Nc4 Qa1 12.Na5 Bf5 13.0–0 b6 (13...Qb2 14.Bf3 Be6 15.Nc3 Nc3 16.dc3+/–) 14.Bf3+= Be6? (better is 14...Qe5+=) 15.Qa4+– Bd7 16.Qb3 ba5 (16...Qf6 17.Qd5 c6+–) 17.Nc3 a4 18.Qd5 (18.Qd5 Qa3 19.Qa8+–; 18.Ra1?! ab3 19.Bd5 Nc6+/–; worse is 18.Bd5 Qf1 (worse is 18...ab3 19.Ra1 Nc6 20.Rb1+/–) 19.Kf1 ab3 20.Ba8 c5+=; 18.Nd5?? Qf1 (18...ab3 19.Ra1 Nc6 20.Ne7 Ne7 21.Ba8+/–) 19.Kf1 ab3 20.Nc7 Bc6–+) 1–0. forsetinn (1895) – timbentley (1690), gameknot.com, 2013.

9.Be2 Bf5 10.0–0 Nd7 11.Bb2 c6 12.Nc3 Nc5 13.Nd5 Qd5 14.d4 Nb3 15.Ne5 Re5 16.de5 Be6 17.Qd5 Bd5 18.Rad1 Nd2 19.Rd2 Bd2 20.Rd1 Ba5 21.f4 Rd8 22.Kf2 Be6 23.Rd8 Bd8 24.e4 b5 25.Ke3 g6 ½–½. Giorgetti,Fosco (2040) – Johnsrud,Jeffory (2200), A050 SEMI, 2004.

9.Be2 Bf5 10.Qb3 c6 11.Bd4 Nd7 12.0–0 b5 13.Rc1 Re6 14.Nc3 Bc3 15.Bc3 (15.dc3!? Rd6 16.c4 bc4 17.Bc4+=) 15...Nc5+= 16.Qd1 Nc3 17.Rc3 Na4 18.Rcc1 Be4 19.d3 Nb2 20.Qb3 Bf3 21.Bf3 Attacking the backward pawn on c6 21...Nd3 22.Rd1 Rd6 23.Bc6 Rc6 24.Rd3 Qf6 25.Rad1 a6 26.a4 ba4 27.Qa4 g6 28.Rd4 Rac8 29.g3 Rc1 30.Kg2 Rd1 31.Rd1 Kg7 32.Qa1 Ra8 33.Qa4 Rc8 34.Rd5 Rb8 35.Rd4 Rb6 36.Rf4 ½–½. forsetinn (2250) – capablancaven (2220), gameknot.com, 2014.

9.Be2 Bg4 10.Bb2 c5 11.0–0 Nc6 12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 Qf6 15.Qc2 Bf5 16.Qb2 b6 17.Rfd1 Be4 18.Nd2 Bd5 19.Bf3 Rad8 20.Qc2 Bf3 21.Nf3 g6 22.h3 Na5 23.e4 Qe6 24.e5 Nc4 25.Rd8 Rd8 26.Re1 h6 27.a4 Kg7 28.h4 a6 29.Qe4 Nd2 30.Nd2 Rd2 31.Re2 Rd5 32.Re1=+ b5 33.ab5 ab5 34.g3 c4 35.Re3 Rd1 36.Re1 Rd3 37.Re3 Rd1 38.Re1 Rd5 39.Re3 Kf8 40.Re1 Ke7 41.Qe3= Qf5 42.e6 fe6 43.Qh6 Qf6 44.Qe3 Kf7 45.Qa7 Qe7 46.Qe3 Qf6 47.Qa7 Qe7 48.Qe3 ½–½. Schiefelbusch,Dirk (2060) – Eismont,Igor (2170), Dortmund–ch, 2005.

9.h3 Nc6 10.Bb2 Nf4 11.Qc2 Be6 12.Nc3 Nd5 13.Be2 Qd7 14.Nb5 Bf5=+ 15.Qb3 Rad8 16.Nbd4 Nd4 17.Bd4 Bb6 18.Bb6= ab6 19.d4 Qd6 20.Ne5 f6 21.Nc4 Qe6 22.Nd2 Kh8 23.Bc4 Qd7 24.0–0 Be6 25.Rfc1 Bg8 26.Nf1 f5 27.Qc2 Re7 28.Bd3 Rf8 29.Nh2 g5 30.Nf3+/– Rg7 31.Ne5 Qe6 32.Bc4 Qd6 33.Qb2 g4 34.h4 g3=+ 35.Re1 gf2 36.Qf2 f4 37.e4 Ne3–/+ 38.Bf1 Qd4–+ 39.Nf3 Qe4 40.Ng5 Qf5 41.Rac1 h6 42.Nf3 Bd5 43.Rc3 Rfg8 44.Rce3 fe3 45.Re3 Bf3 46.Rf3 Qc5 47.Re3?? Rf8 (47...Rf8 48.Qe2 Re8–+) 0–1. Jovanovic,Momir (2060) – Koepke,Christian (2295), 27th Open Munich GER, 2007.

9.Qb3 Nc6–/+

10.Bb2 Rb8 11.Bc4 Be6 12.Qc2 Nf4 13.0–0 Bc4 14.Qc4 Nd3 15.Bd4 Nd4 16.ed4 Nf4–/+ 17.Nc3 Bb6 18.d5 Qf6 19.g3 Ne2 20.Kg2 Nd4 21.Nd4 Qd4 22.Qd4 Bd4 23.Rab1 a6 24.Rfe1=+ Kf8 25.Re8 Ke8 26.a4 Kd7 27.Rb4 Bc5 28.Rf4 f6 29.Rc4 Bd6 30.Rg4 g6–/+ 31.Rh4 h5 32.Re4 Re8 33.Re8 Ke8 34.Kf3 Kd7 35.h4 c6 36.Ke3 Kc7 37.dc6= Kc6 38.d4 b5= 39.ab5 (39.Ne4 Be7 40.ab5 ab5=) ½–½. Waibel,Ulrich – Prange,Ecki, compuserve, 1995.

10.Bb2 Be6 11.Qc2 Bg4 12.Be2 Qd7 13.0–0 Nf4 14.Bb5? (14.ef4 Qf5 Double attack (14...Re2 Pinning; 14...Re2 Deflection; 14...Qf5 Decoy)) 14...Bf3–+ 15.gf3 Re6 16.ef4 Rg6 17.Qg6 hg6 18.Bc3 (18.Rc1 Re8–+ (18...Bd2?! 19.Bc6 bc6 20.Rd1=)) 18...Bb6 19.a4 a6 20.Bc6 Qc6 (worse is 20...bc6 21.a5 Bd4 22.Re1–+) 21.Kg2 Rd8 22.a5 Ba7 23.Re1 Rd3 24.Re3 Be3 25.fe3 Qd7 26.Na3 (26.Ra2–+) 26...Rd2 27.Bd2 Qd2 28.Kg3 Qb2 29.Rb1 Qa3 0–1. Yeung,Chun Keung (1805) – Helman,Barnard, 10th Hong Kong CC Championship th HK, 2005.

10.Bb2 Be6 11.Qc2 Bg4 12.Qa4 Ne3 13.fe3 Re3 14.Kd1 Qh4 15.Bb5? Rf3!–+ 16.Kc1 Rf5 17.Bc6 Rc5 18.Nc3 Bc3 19.Bc3 Qg5 20.Kb2 Rc6 21.Rae1 Be6 22.Re3 Rb6 23.Ka1 Qd5 24.Qc2 Rb3 25.Qa2 Qd6 26.Be5 Re3 27.Bd6 Ba2 28.de3 cd6 29.Ka2 Rc8 30.Rd1 Rc6 (30...Rc6 31.g4 f6–+) 0–1. Afifi,Assem – Hakki,Imad, Cairo, 1997.

10.Bb2 Nf4 11.Nc3 Ne5 12.Ne5 Re5 13.Ne2?? Qd2# 0–1. Tilp,Andreas – Gotthardt, corr, 1988.

10.Bb2 Nf4 11.Nd4 Nd4 12.Qc4 –+.

9.Be2 c5

10.0–0 a6 11.Qc2 Nd7 12.d4 Ne5 13.de5 Qe7 14.Bc4 Be6 15.e4 Nf4 16.Be6 Qe6 17.Kh1 Rac8 –/+.

10.0–0 Bf5 11.Qb3 Nc6 12.Bg3 Qd7 13.Rc1 Be6 14.Qc2 Bb6 15.Bb5 Bf5 16.Bc6 bc6 17.Qc4 Nf6 =.

10.0–0 Bf5 11.Bg3 Nc6 12.Qb3 Qd7 13.Rc1 Be6 14.Qc2 Bb6 15.Bb5 Bf5 16.Bc6 bc6 17.Qc4 Nf6 =.

10.Qc2 Nc6 11.Bb2 Nd4 12.Bd4 cd4 13.Nd4 Ne3 (better is 13...Nf4! 14.0–0 Bb6=) 14.fe3+/– Re3 15.Nf3 (better is 15.Qb2+/–) 15...Qf6+= 16.Kf2? (16.Ra2 Bf5 17.Qb2–/+) 16...Rf3! 17.Bf3 (17.Bf3 Qd4 Double attack (17...Bb6 Decoy; 17...Qa1 Zwischenzug); 17.gf3 Qd4 Double attack (17...Bb6 Decoy; 17...Qa1 Zwischenzug)) 17...Bf5 18.Qb3 (18.Qa2 Re8 19.Qc4 Bb6 20.Kg3–+) 18...Qd4 19.Ke1?! (19.Ke2 Re8 20.Kd1 Qa1 21.Qb5 Qb1 22.Qb1 Bb1 23.Bb7–+) 19...Qa1 20.Bb7 (20.Qb5 Qb1 21.Qb1 Bb1 22.Kf2–+) 20...Re8 (20...Bb1 21.Ba8 Bd3 22.Kf2 Qd4 23.Kf3–+) 21.Kf2 Qd4 0–1. Morriss,P (2075) – Gillies,Alex, 122nd ch–SCO, 2015.

10.Qc2 Nc6 11.Bb2 Qd6 12.Nc3 (better is 12.0–0=) 12...Be6?? (better is 12...Nc3 13.Bc3 Bc3 14.dc3 Qf6+=) 13.Ne4+/– Qd8 14.Nc5 (14.Qc5?! Bb6 15.Qd6 Bg4 16.Qd8 Rad8+=) 14...Qe7 (14...Rc8 15.0–0 Nb8 16.Qe4 Rc5 17.Qd4+/–) 15.0–0 (15.Ne6 Qe6 16.0–0 h6+–) 15...Rac8 (15...Nc3 16.Bc3 Qc5 17.Rfc1+/–) 16.Ne6+– Nd4? (16...fe6 17.Qb3 Rf8+–) 17.Qd3 (better is 17.Ned4 Rc2 18.Nc2+–) 17...Ne2+/– 18.Qe2 Qe6 19.Nd4 Qg6?? (19...Qd7 20.Qd3 Nb6 21.Rac1+/–) 20.Qf3?? (20.Qb5 Re5 21.Qb7+– (21.Qa5?? Ne3 22.fe3 Ra5–+)) 20...Nb6 21.Rac1 Nc4+= 22.Nf5 Rc7? 23.Bc3?? Bc3+= 24.Rc3 Ne5 25.Qd5+/– Nc6 26.Nd4 Rcc8 27.Rfc1 Ne7? 28.Rc8+– Rc8 29.Rc8 Nc8 30.Qd8 1–0. Morriss,Pete (2030) – Gromark,Per Olof (2050), Katerini GRE,World Seniors Ch, 2014.

10.Qc2 Nc6 11.Bb2 Qe7 12.0–0 Bg4 13.h3 Bd7 14.Rc1 b6 15.Bc4 Nc7 16.Bd3 h6 17.Nc3 Rad8 =.

10.Qc2 Nc6 11.Bb2 g6 12.0–0 Qe7 13.Nc3 Bc3 14.Bc3 +=.

10.0–0 Nc6

11.Bb2 Qb6 12.Qc2 (12.Nc3!? Bc3 13.Bc3+=) 12...Bf5–/+ 13.d3? (13.Qf5 Qb2 Deflection) 13...c4!–+ 14.Bc1 (14.Qc4 Qb2 Deflection; 14.dc4 Bc2 Pinning (14...Bc2 Deflection)) 14...cd3 (better is 14...Ne3!? 15.fe3 Re3 16.Be3 Qe3 17.Kh1 cd3 18.Bd3 Bd3–+ (18...Qd3?! 19.Qd3 Bd3 20.Rc1–/+)) 15.Bd3–/+ Bd3 16.Qd3 Rad8 17.Qc2 Qc7 (17...Rc8!? 18.Qb2 Nce7–/+) 18.Bb2+= Ne5 19.Qc7 Nf3 (19...Nc7?? 20.Be5 Rc8 21.Rd1+–; 19...Bc7?! 20.Nc3+=) 20.gf3 Bc7 21.Rd1 b5 (21...Ba5 22.a4+=) 22.Bd4 Bb6 23.Bb6 Nb6 24.Nc3 a6 25.Rdb1 Rc8 26.Rb3 Rc4 27.Rd1+= Kf8 28.Kg2 Ke7 29.Nd5 Nd5 30.Rd5 Rd8 31.Re5 Kf6 32.f4 g6 33.Kf3 Rd2 34.Re8 Rcc2 35.Ra8 Rf2–+ 36.Kg3 Rg2 37.Kf3 Kg7 38.Ra6?? f5–+ 39.e4 Rh2 40.Ra7 Kh6 41.Kg3 fe4 42.f5 Kg5 (42...Kg5 43.Rb2 Rb2 44.fg6 Rbg2#) 0–1. Mrykhin,Igor (2110) – Biriukov,Oleg V (2325), St Petersburg RUS, Chigorin Mem, 2012.

11.Bg3 Be6 12.Bh4 f6 (12...Qd7 13.Qc1+=) 13.Qc2 Qe7 14.Nc3 Nc3 15.dc3 Qf7 16.Bd3 g6 17.c4 Bc7 18.Rab1 Rab8 19.Nd2 f5 (19...Ne5 20.Ne4 g5 21.Bg3=) 20.Nf3 h6 21.Bg3 (21.Rfd1 Na5 22.Rbc1 Qg7=) 21...Qg7 (21...Bg3 22.hg3 Rbd8 23.Rfd1=) 22.Nh4 (22.Bc7 Qc7 23.Rfd1 Rbd8=) 22...Bg3 23.hg3 Ne5 24.Be2 Qf7 25.Qc3 Qg7 (worse is 25...Nc4 26.Bc4 Bc4 27.Ng6+/–) 26.Qc2 Qf7 27.Qc3 Qg7 (worse is 27...Nc4 28.Bc4 Bc4 29.Ng6+/–) 28.Qc2 ½–½. Morriss,Pete (1970) – Kirby,Peter J (1985), Polar Capital Jersey Festival – Open Se, 2017.

11.Bg3 Qf6 12.Ra2 Bc7 13.Bc7 Nc7 14.Nc3 (14.Qc2 Be6 15.Rb2 Rab8=) 14...Bf5+= 15.Qa4 Rad8 16.Rb2 b6 17.Rc1 (17.Rd1 Nd5+=) 17...Re7 18.Rd1 (18.Qf4 Ne6 19.Qg3 Ned4 20.Nd4 cd4+=) 18...Bd3 (18...Red7 19.e4 Bg6 20.Rc1–/+) 19.Bd3 Rd3 20.Qc2 Red7 (20...c4!?=) 21.Ne1+= Qc3 22.dc3 Rd1 23.Rb1 R1d2 24.Qe4 Na5 (24...R7d6 25.h3+=) 25.g3 (25.h3 R2d5+/–) 25...Ne6 (25...R2d5 26.Nf3+/–) 26.Nf3 R2d6 27.Ng5 Nf8+= 28.h4 h6 29.Nf3+/– Nc6 30.Kg2 Re6+/– 31.Qc2 Red6+= 32.Qe4 Re6 33.Qc2 Red6+= 34.Re1 Ng6 35.Re2 Nge5+= 36.c4 Nf3 37.Kf3 Rd3 38.Kg2 Na5 39.Qa4 ½–½. Morriss,Pete (1980) – Malmdin,Nils_Ake (2295), TCh–FIN SM, 2012.

11.Bg3 Qf6 12.Ra2 Be6 13.Rc2 Bb6 (13...Qe7 14.Qc1+=) 14.Nc3= Nc3 15.Rc3 Qe7 16.Qc2 Rac8 17.Bh4 f6 18.Bd3 g5 19.Bg3 Nd8 (19...Na5 20.Be2=) 20.e4 (20.Nd4 cd4 21.Rc8 Bc8 22.Qc8 Ne6+=) 20...g4 (20...Nc6 21.h3=) 21.Nh4 Ba5 22.e5 (22.Bc4 Bc3 23.Nf5 A) 23...Bc4? 24.Ne7 Re7 25.Re1+– (worse is 25.Qc3 Bf1 26.Qf6 Re6 27.Qg5 Rg6 28.Qd5 Nf7 29.Kf1 b6+–; 25.dc3?! Bf1 26.Qd1 Be2 27.Qe2 f5+/–); B) 23...Qd7 24.Qc3 Rf8=) 22...Bc3 23.Qc3 (23.dc3 fe5 24.Nf5 Qf8=) 23...fe5+= 24.Qe5 Qg7 25.Qf4 (25.Qh5!? Nf7 26.Nf5 Bf5 27.Bf5+=) 25...Nc6–/+ 26.Re1 (26.Nf5 Bf5 27.Bf5 Nd4 28.Bg4 Rc6–/+) 26...Bf7 (26...Bd7 27.Be4–/+) 27.Rb1 (27.Rc1 Nd4 28.Nf5 Nf5 29.Qf5 c4–+) 27...Nd4 28.h3 (better is 28.Nf5 Nf5 29.Bf5–+) 28...c4 (better is 28...Ba2 29.Rb2 Be6–+) 29.Nf5+= cd3 (29...Nf5 30.Bf5 Rcd8 31.Rb7+=) 30.Nh6 (30.Ng7!? Ne2 31.Kh2 Nf4 32.Ne8 Be8 33.Bf4 gh3 34.Kh3=) 30...Kf8–/+ 31.Qd6 Re7 32.Bh4 (better is 32.Rb7 Ne2 33.Kh2+=) 32...Rce8?? (better is 32...Ne2 33.Kf1 Be6 34.Ng4 Bg4 35.hg4 b6–+) 33.Rb7+/– Bg6? 34.Bf6?? Qh6+/– 35.Re7 Re7? 36.Qe7+– Kg8 37.Bd4 gh3 38.gh3 Bf5 39.Qe8 Qf8 40.Qf8?? Kf8= 41.Ba7 Bh3 42.a4 Bc8 43.f4 Kf7 44.Kf2 Kg6 45.Kg3 Bd7 46.a5 Bb5 47.Be3 Ba6 48.Bf2 Bb7 49.Bc5 Kf5 50.Bd6 h5 51.Kh4 Kg6 52.Be7 Ba6 53.Kg3 Kf5 54.Bg5 Bb7 55.Kf2 Ke4 ½–½. Morriss,Pete (1990) – Chesters,Graham, British Senior, 2013.

11.Bg3 Qf6 12.Ra2 Bf5 13.d3 +=.

11.Bb2 Bf5

12.Qb3 a6 13.Rc1 (13.Qb7 Qd6 14.Qb3 Rab8=) 13...Nf4 (13...b6 14.d4=) 14.Bf1 (14.Bc4!? Ne6 15.Qb7=) 14...Ne6= 15.d3 (15.Qb7 Qd6 16.Qb3 Bc7=) 15...Rb8 (15...b5 16.a4 Rb8 17.ab5 ab5 18.Na3=) 16.a4 (16.Ne5 Ne5 17.Be5 Bc7 18.Bc7 Qc7+= (worse is 18...Nc7 19.Rc5 Be6 20.Qb6+=)) 16...Bb4 17.Ne5 Rc8 18.Na3 Ng5 19.Nec4 Re7 20.Be2 Ne6 ½–½. DiAlfonso,Darren (2115) – Romano,Jacopo (2000), FICGS, 2016.

12.Qb3 a6 13.Rc1 (13.Qb7 Qd6 14.Qb3 Rab8=) 13...Nf4 (13...b6 14.d4=) 14.Bf1 (14.Bc4!? Ne6 15.Qb7=) 14...Ne6 15.d3 (15.Qb7 Be4 16.Ne5 Re7+=) 15...Rb8 (15...b5 16.a4 Rb8 17.ab5 ab5 18.Na3=) 16.a4 (16.Ne5 Ne5 17.Be5 Bc7 18.Bc7 Qc7+=) 16...Bc7 (16...b5 17.ab5 ab5 18.Ne5 Ne5 19.Be5+=) 17.Nbd2= b5 18.ab5 ab5 19.g3 h6 20.Ra6 Qd7 21.d4 (21.Ne4 c4 22.Qa3 Be4 23.de4 Bd6–/+) 21...c4–/+ 22.Qc3 (better is 22.Qd1 Ned8 23.Nh4–/+) 22...Ng5 (better is 22...Ba5!? 23.Ra5 b4 24.Qc4 Na5+=) 23.Ng5+= hg5 24.Nb3 (24.Bg2 Ba5 25.Ra5 b4 26.Bc6 bc3 27.Bd7 cb2+=) 24...Bb6 (24...Rb6 25.Rb6 Bb6 26.Nc5 Bc5 27.dc5+=) 25.Bg2 Qc8 (25...g4 26.Rca1=) 26.Raa1 g4 27.Ra2 (27.Rd1 Qc7=) 27...Bd8 28.Nc5 Ne5 29.Na6 (29.de5 Qc5 30.Raa1 Bc7–/+) 29...Nf3 (29...Rb6 30.Nb4 Nf3 31.Bf3 gf3 32.d5+=) 30.Bf3 gf3 31.Nb8 Bb1 32.d5 (32.Rb1?? Qh3 33.Qc4 Qg2) 32...Bf6 33.Qe1 Bd3 (33...Qh3!? 34.Qf1 Qf1 35.Kf1 Ba2 36.Bf6 Rb8–/+) 34.Kh1+= Bb2 35.Rb2 Qh3 36.Qg1 Rb8 37.Rb4 (37.g4 b4=) 37...Qf5 38.Qe1 (38.Qd1 Qd5 39.h3 Rb6=) 38...Qd5 39.e4 (39.Qc3!?=) 39...Qc5–/+ (39...Qe4?! 40.Qe4 Be4 41.Rcc4 bc4 42.Rb8 Kh7 43.Rc8=) 40.Qd2 Re8 41.Rb2 (41.Qb2 A) 41...Be4?! 42.Rb5 Qe3 43.Kg1= (43.fe3?? f2); B) 41...Re4?! 42.Rb5 c3 43.Rb8 (43.Rc5?? cb2 44.h4 bc1R 45.Rc1 Re2–+) 43...Kh7 44.Qa2–+; C) 41...Qh5 42.Qa1 Re4 43.Qa8 Kh7–+) 41...Re4 42.Qa5 Re5 0–1. Benassi,Aspasio (2185) – Alban,Alexis (2245), FICGS, 2015.

12.Qb3 b6 13.Rd1 =.

12.Qb3 Qb6 13.Qa2 Be6=+ 14.Bc4 Qd8 15.Qb3 Bc7 16.Qc2 Bg4 17.Be2 Qd7 18.g3 b6 19.d3 h5 20.Nbd2 h4 21.Ne4 hg3 22.hg3 Re6 23.Rfe1 Rae8 24.Rac1 Rh6 25.Qd1 Bh5 26.Bf1 Be5 27.Be5 Ne5 28.Bg2 Nf3 29.Bf3–/+ Re5 30.Nd2 Rf5 31.Bh5 Rfh5 32.Qf3 g5 33.Rc4 Nf6 34.Ne4 Ne8–+ 35.Ng5 Rg5 36.Qf4 Rgg6 37.Qf3 Qd3 38.Ra4 c4 39.Ra7 Rf6 40.Qg4 Kf8 41.Ra8 Qd5 42.Re8 Ke8 (42...Ke8 43.Qc8 Ke7 44.Qc7 Kf8 45.Qc8 Kg7 46.Qg4 Kh7–+) 0–1. Buczinski,Henryk – Fages,Jorge Juan, corr IECG RM–2010–O–00046, 2010.

12.Qb3 Qb6 13.Qa2 Be6 14.Bc4 Qd8 15.Nc3 Bc3 16.Bc3 (worse is 16.dc3 Na5 17.e4 Nc3 18.Bc3 Nc4–/+ (worse is 18...Bc4 19.Ba5 Ba2 20.Bd8+/–)) 16...b5 17.Bb3 Rb8 18.h3 a5 19.Qb1 g6 20.Rc1 Nc3 21.dc3 Bb3 22.Qb3 a4 23.Qc2 Na5 24.Nd2 Qd5 25.e4 Qe6 26.Re1 Nb3 27.Rad1 Rbd8 28.Nf3 Qc4 29.Rd8 Rd8 30.Qb2 b4 31.ab4 cb4 32.cb4 Qb4 33.Re3 Ra8 34.Qa2 Rc8 35.Kh2 Rc4 36.e5 Nc1 37.Qa1 Rc2 38.Qa3 Qf4 39.Kh1 Nb3 40.e6 (40.Kg1!?+=) 40...fe6–/+ 41.g3 Qc4 42.Qe7 Qf1 ½–½. Buczinski,Henryk (2165) – Brzeszkiewicz,Edmund (1925), CP–2011–P–00060, 2011.

12.Qb3 Qb6 13.Qd5?? (better is 13.Qb6 Bb6 14.Bb5=) 13...Be6–+ (13...Qb2?! 14.Nc3 Bc3 15.Qf5+= (15.dc3?! Be4 16.Qc4 Na5+=)) 14.Qg5 Qb2 (14...Qb2 15.Nc3 Bc3–+) 0–1. Hilbert,Stephan J (1735) – Dineen,Thomas (2125), FICGS, 2015.

12.Qb3 Qd6 13.Qb7?? Rab8 14.Qa6 Rb2 –+.

12.Qb3 Qd6 13.Nc3 Nc3 14.Bc3 b6 15.Rad1 Bd3 16.Bd3 Qd3 17.Qb2 f6 =.

12.Qb3 Qd6 13.Nc3 Nf6 14.Nb5 (14.Bc4 Qe7=) 14...Qe7+= 15.d4 a6 16.d5 ab5 17.dc6 (17.Bb5 Reb8 18.Rfd1–+) 17...bc6–+ 18.Rfd1 (18.Qd1 Nd5–+) 18...Red8 (18...c4!? 19.Bc4 bc4 20.Qc4–+) 19.Ne5 (19.Be5–/+) 19...Rac8 (better is 19...c4!? 20.Bc4 bc4 21.Qc4 Qb7 22.Nc6 Rd1 23.Rd1 Be6–+) 20.Rd8+= Bd8 (worse is 20...Qd8 21.Qf7 Kh8 22.a4+/–; 20...Rd8? 21.Nc6 Qc7 22.Nd8 Qd8 23.Rd1+–) 21.Bf3 Be4 (better is 21...c4 22.Qc3 Nd5+=) 22.Be2? (better is 22.Be4!? Ne4 23.Qc2+=) 22...Bc7 23.Ng4 (23.Nf3 Ba5–/+) 23...Ng4 (23...Nd5 24.a4 c4 25.Qd1–+) 24.Bg4 Rd8 25.Qc3 f6 (25...Qg5 26.Bh3–+) 26.Qb3 (26.a4 Ra8–+) 26...Bd5 Black intends c4 (26...c4 27.Qb4 Qb4 28.ab4–+) 27.Qc2 c4 28.Bf5 h6 (28...g6 29.Bh3–+) 29.e4 (29.a4 b4 30.Rb1 c3–+) 29...Be6–+ 30.a4 (30.Be6 Qe6 31.Re1 Qd6–+) 30...Bf5 31.ef5 Qd6 32.g3 Qd3 33.Qc1 Qf5 (33...b4 34.Qe1 c3 35.Bc1–+) 34.a5 Ra8 35.a6 (35.Bc3 c5–+) 35...Bb6 36.Qe1 (36.Qd2 b4 37.Bc1 Qb5–+) 36...Kf7 (36...Qc2 37.Bc3–+) 37.Qe2 Qd3 (37...Re8 38.Qd2–+) 38.Qe1 (38.Qh5 Kg8 39.Re1 Ra6–+) 38...Re8 39.Qc3 (39.Qd1 Qd1 40.Rd1 b4 41.Rd7 Kg6–+) 39...Qc3 (better is 39...Bf2 40.Kg2 Qe2–+) 40.Bc3 Ra8 41.Kg2 (41.Kf1 c5–+) 41...c5 42.Kf3 b4 43.Bb2 (43.Be1 Ke6 44.g4 Kd5–+) 43...c3 44.Bc1 (44.Bc3 bc3 45.Ke2 Ke6–+) 44...b3 45.Rb1 (45.h4 c4–+) 45...c4 46.Ke2 (46.Ra1–+) 46...Ra6 47.Bf4 (47.Kf3 c2 48.Rb3 cb3–+) 47...b2 (better is 47...Ra2 48.Ke1 c2–+) 48.Kd1 Ra1 49.Kc2 Rb1 50.Kb1 Bf2 51.h4 (51.Bd6 Bd4–+) 51...g5 52.hg5 hg5 53.Bd6 Ke6 54.Bb8 Kf5 55.Bd6 g4 56.Kc2 Ke4 57.Bc7 (57.Be7 f5 58.Bd6 Bg3 59.Bg3 f4–+) 57...Kf3 (better is 57...b1Q 58.Kb1 Kd3 59.Bf4 c2 60.Kb2 Bd4 61.Ka3–+) 58.Bd8 f5 59.Bf6 Be1 60.Be5 Bg3 61.Bc3 b1Q! 62.Kb1 Bf2 63.Be5 g3 64.Kc2 g2 65.Bh2 g1Q 66.Bg1 Bg1 67.Kc3 Ke3 68.Kc4 f4 0–1. Hilbert,Stephan J – Kohut,Gregory (1685), FICGS, 2014.

12.Nc3 Nc3 13.Bc3 Bc3 14.dc3 a6 15.Qa4 Be4 16.Rfd1 Qf6 17.Nd2 Bg6 18.Bf3 Rad8 (worse is 18...Qc3 19.Rac1 Qf6 20.Rc5=) 19.Nc4 h6 (19...Qc3 20.Rac1 Qf6 21.Rd8 Rd8 22.Bc6 bc6 23.h3=) 20.h3 (20.Bc6 bc6 21.Rd8 Rd8+=) 20...Kh7 (20...Qc3 21.Rac1 Qf6 22.Rd8 Rd8 23.Bc6 bc6 24.Qa6=) 21.Rd8 (21.Bc6 bc6 22.Rac1 Be4 23.Rd8 Rd8+=) 21...Rd8 22.Rc1 Rd3 23.Bc6 bc6 (worse is 23...Qc6 24.Qc6 bc6 25.Kh2=) 24.Nb6 Qd8 (24...Rc3 25.Rc3 Qc3 26.Qa6–/+) 25.Nc4= (25.Qc6? Rd6 26.Qc5 Rb6–+ (26...Qb6?! 27.Qb6 Rb6 28.c4–+)) 25...Qe7 26.Qa6 Be4 27.Qc8 Rd5 28.Kh2 Bg2+= 29.Kg2 Qe4 30.Kh2 Qc4 31.Qg4 Qd3 32.Qa4 g6 33.Qc2 Qb5 34.c4 Qb8+= 35.f4 Rd7 36.Qc3 Qe8 37.Rb1 h5 38.a4 Qe4 39.Rb8 f6 40.Rb2 Rd1 41.Rg2 Qb1 42.Kg3 (42.Kg3 Kg7 43.Qb2+=; 42.Qf6?? Rh1 43.Kg3 Qe1 44.Rf2 Qe3 45.Rf3 Qg1 46.Kh4 Qg4) 1–0. Degterev,Pavel (2460) – Ivanoff,Gilles (2025), 60yearsBdF–WS14, 2006.

9.Be2 Nc6

10.Bb2 a6 11.0–0 =+.

10.Bb2 Re3?? 11.fe3 Ne3 12.Qb3 Qe7 13.Nc3 Ng2 14.Kd1 Nf4 15.Re1 Ne2 16.Re2 Be6 17.Qb7 Qe8 18.Qa6 Rb8 19.Kc1 Qd7 20.Ne5 Ne5 21.Re5 Bb6 22.Qe2 Bd4 23.Rb5 Re8 24.Rb4 c5 25.Rb5 h6 26.a4 Bh3 27.Rb7 Qc6 28.Re7 Re7 29.Qe7 Qh1 30.Nd1 Bg4 31.Kc2 Bf5 32.Kb3 Qf3 33.Nc3 Be6 34.Ka3 Qd3 35.Qe8 Kh7 36.Qb5 Qd2 37.Rd1 Qh2 38.Qe2 Qd6 39.Qc2 g6 40.Ne4 Qb8 41.Bc3 Bf5 42.Rd4 cd4 43.Bd4 Qf8 44.Qc5 Qc5 45.Nc5 h5 46.a5 h4 47.Kb4 h3 48.Be5 Bg4 49.Kc3 g5 50.Kd2 f5 51.Bh2 Kg6 52.Ke3 Kf6 53.Kd4 Bf3 54.Nd7 Ke7 55.Ne5 Bg2 56.Ke3 Ke6 57.Kd4 f4 58.Ng4 Kf5 59.Nh6 Kg6 60.Ng4 Kh5 61.Nf2 Kh4 62.Ke5 f3 63.Kf5 Bf1 ½–½. Zumpe – Fessling, corr DDR 1987.

10.Bb2 Nce7 11.0–0 Ng6 12.d4 c6 13.Qc2 Qd6 14.Nbd2 Bc7 15.Nc4 Qe6 16.Bd3 Bd7 17.e4 (17.Nce5!? Be5 18.Ne5 Ne5 19.de5+= (< 19.Bh7 Kh8–/+)) 17...Ndf4=+ 18.e5 (18.Qc3!? f6 19.Ne1=+) 18...Ng2!–/+ 19.Ne1 (19.Kg2 Qg4) 19...Ne1 (19...N2f4 20.Be4–+) 20.Rfe1–/+ Qg4 21.Kh1 Qf3 22.Kg1 Nf4 (Better is 22...Be6 23.Re3 Qh5–+) 23.Bf1? (Better is 23.Bh7 Kh8 24.Be4 Nh3 25.Kf1=+) 23...Nh3 (23...Qg4!? 24.Kh1–+) 24.Bh3 Bh3 25.Qe4 Qe4 (25...Qh5 26.Qf4–+) 26.Re4 Re6 (27.Re3 Rg6 28.Rg3 Rg3 29.hg3 Rd8–/+) 0–1. Klarius,Gerd – Domsgen,Steffen, corr ICCF–Cup8/9 V165, 1990.

10.Bb2 Bf5 11.0–0 Qd6 12.Nc3 Nc3 (12...Rad8 13.Qb3=+) 13.dc3 (13.Bc3 Bc3 14.dc3 Qf6=) 13...Rad8 (13...Qf6 14.Qb3=) 14.Qd6 Rd6 15.Rad1 Red8 16.Rd6 Rd6 17.Rd1 Rd1 18.Bd1 Bd3 19.Bb3 Kf8 20.h4 Ke7 21.g4 f6 22.Bd5 Kd6 23.c4 Ne7 24.Bb7 Bc4 25.g5 Ke6 26.Nd4 Kd6 27.Be4 h6 28.gf6 gf6 29.Bc2 Bb6 30.Nb3 Ke6 31.Nd2 Bd5 32.h5 f5 33.Kf1 Ng8 34.e4 fe4 35.Ne4 Ne7 36.Bc1 Ke5 37.Ng3+= Ng8 38.Bg6 Bc5 39.Nf5 Bf8 40.f4 Ke6 41.Ne3 Nf6 42.Bb2 Be7 43.Nd5 Kd5 44.Ke2 a5 45.Kd3 Kc5 46.a4 Kb4 47.Bc3 Ka4 48.Kc4 Ng4 49.Bd2 Ka3 50.Ba5 Bd6 51.Bd2 Bf8 52.Be4 Nf6 53.Bf3 Bd6 54.f5 Bf8 55.Bc1 Ka2 56.Bf4 c5 57.Be5 Nd7 58.Bh8 Nb6 59.Kb5 Nc8 60.f6 Nd6 61.Ka4 Ne8 62.Bc6 Nf6 63.Bf6 Bd6 64.Be4 Bf8 65.Bc3 Bd6 66.Bd5 Kb1 67.Bd2 Bf8 68.Kb3 Bg7 69.Bc4 Ka1 70.Kc2 (70...Be5 71.Bh6 Bf6 72.Bf8 Bd4 73.h6 Bb2 74.Be6 c4 75.Bg7 Ka2 76.Bc4 Ka3 77.Bb2 Kb4 78.Kd3 Kc5 79.h7 Kb4 80.h8Q Kc5 81.Qf6 Kb4 82.Qb6 Ka4 83.Qb5#) 1–0. Ruhle,Ernst_Olav – Gerold,Guenter, corr ICCF TT/6/02/2, 2004.

10.Bb2 Bf5 11.0–0 Qd7 12.d3 Rad8 13.d4 a6 14.Nfd2 Nb6 15.Nc3 Nd4 16.ed4 Qd4 17.Ndb1 Qe5 18.Qb3 Bb1 19.Ba6 Be4 20.Ne4 Qe4 21.Qg3 g6 22.Qg5 ba6 23.Qf6 Kf8 24.Qg7 Ke7 25.Bf6 Ke6 26.Bd8 Rd8 27.Qh7 Nd5 28.Qh6 Nf4 29.Qg5 f6 30.Qg4 f5 31.Qg5 Bc3 32.Ra2 Bf6 33.Qg3 Qc4 34.Qe3 Kf7 0–1. Hlousek – Buczinski, corr 3GMM–34 1994–97.

7.Nf3 dc4

8.Bc4 Nc6 9.0–0 Bg4 10.Bb2 Qd6 11.h3 Be6 12.Qc2 Bc4 13.Qc4 Rfe8 =.

8.Bc4 Nc6 9.Bb2 Ne4 10.0–0 Bg4 11.Bb5 Rb8 12.Bc3 Bc3 13.dc3 Qf6 =+.

8.Bc4 Nc6 9.Bb2 Ne4 10.0–0 Bg4 11.Be2 Re8 12.d3 Nc5 13.d4 Ne4 =.

8.Bc4 Nc6 9.Bf4 Nd5 10.Bd5 Qd5 11.Nc3 Qf5 12.Qb1 Rd8 13.Bg5 Re8 =+.

8.Bc4 Nc6 9.Bc3 Bc3 10.Nc3 Bg4 11.d4 a6 12.0–0 Qd6 13.Be2 Rfe8 =.

8.Bc4 Bg4 9.0–0 Nc6 10.Bb2 a6 11.d4 Qd6 12.d5 Rad8 13.e4 Bf3 =+.

8.Bc4 Bg4 9.Bc3 c5 10.h3 Bh5 11.0–0 Nc6 12.Be2 Re8 13.Qc2 Rc8 =+.

8.Bc4 Bg4 9.Bd4 Nc6 10.Bb2 Qd6 11.0–0 a6 12.d4 Rad8 13.Bd3 Rfe8 =.

8.Bc4 Bg4 9.h3 Bh5 10.0–0 Nc6 11.Bf4 Rb8 12.Nc3 Re8 13.Rc1 Bc3 =.

8.Bc4 Bg4 9.h3= Bh5 10.Bc3 Bc3 11.Nc3 c5 12.g4 Bg6 13.Ne5 Nbd7 14.Ng6 hg6 15.Be2 b6 16.f4 Qc7 17.g5+= Ne8 18.h4 Nd6 19.h5+/– gh5 20.Bb5 Nb5?? 21.Qh5 (21.Qh5 f5 22.g6 Nc3 23.Qh7#) 1–0. Jacewicz,Grzegorz – Wantoch_Rekowski,Jacek, corr or01–022 E–mail, 2002.

7.Nf3 c6

8.cd5 cd5 9.Be2 Nc6 10.Bb2 Bb6 11.Nc3 d4 12.Na4 d3 13.Bf1 Bf5 14.Nb6 ab6 (worse is 14...Qb6 15.Bf6 gf6 16.Qb1 Qb1 17.Rb1+=) 15.g3 Ne4 16.Bg2 Bg4 17.h3 Be6 18.Nd4 Nd4 ½–½. pcmvr – aspasio, net–chess.com, 2016.

8.Be2 Nbd7 9.Bb2 dc4 10.Bc4 b5 11.Bb3 (11.Be2 a6+=) 11...c5+= 12.0–0 c4 13.Bc2 Bb7 14.Nc3 (14.d3 Nb6=) 14...a6 15.d4 Re8 16.Ng5 (16.Bf5 g6 17.Bd7 Qd7–/+) 16...g6 (16...h6 17.Nh3–/+) 17.h4 (17.Nh3 Rc8+=) 17...Qe7 18.e4 (18.Qc1 Rac8–/+) 18...h6 (18...Bc3 19.Bc3 Be4 20.Be4 Ne4 21.Re1–/+) 19.e5 hg5 20.hg5? (better is 20.ef6 Nf6 21.hg5–/+) 20...Nh7 (20...Nd5 21.Ne4–+) 21.f4 Ng5! 22.fg5 Ne5! 23.Nd5?? (23.de5 Bc3 Double attack (23...Bc3 Decoy)) 23...Bd5 (23...Qg5 24.de5 c3 25.Bc1 Bb6 26.Rf2 Bf2 27.Kf2 Qh4 28.Kg1 Re5 29.Ne3–+) 24.de5 Qg5 (24...Bb6 25.Bd4 Qg5 26.Rf2 Bd4 27.Qd4 Qe5 28.Rd1 Qd4 29.Rd4 Re1 30.Rf1–+) 25.Rf2?? (better is 25.Qd5 Bb6 26.Bd4 Bd4 27.Qd4 Qe5 28.Qf2+=) 25...Re5 26.Be5 Qe5 27.Qf1 (27.Rc1–+) 27...Bc7 28.g4 (28.Rf4 Qf4 29.Qf4 Bf4 30.Rd1–+) 28...Qg3 29.Rg2 (29.Qg2 Bg2 30.Rg2 Bb6 31.Kh1 Qh3 32.Rh2 Qf3 33.Rg2 Kg7 34.Bg6 fg6 35.Kh2 Rh8) 29...Bb6 30.Kh1 (30.Qf2 Qg2) 30...Qh3 0–1. Hilbert,Stephan J – Cirulis,Ilmars (1625), FICGS, 2014.

7.Nf3 Nc6

8.Bb2 Ne4 9.cd5 Qd5 10.Be2 Nc5? 11.0–0 Nd3 12.Nc3? Qd6 13.Qc2 Nb2 14.Qb2 h6 15.d4 Re8 16.Rac1 Re7 17.Bd3 Bb6 18.Bb1 Re8 19.h3 Qf6 20.Rfd1 Ne7 21.Ne5 Bf5 22.Ne4 Be4 23.Be4 c6 24.a4 Rac8 25.Bd3 Rc7 26.Ra1 Ba5 27.Nc4 b6 28.Na5 ba5 29.Qd2 Qg5 30.Rab1 g6 31.Rdc1 Rd7 32.Rc5 Qf6 33.Be4 Qe6 34.Bf3 Rc8 35.Qa5 h5 36.Rbc1 Kh7 37.Qa6 Rcc7 38.Qd3 Kg7 39.d5! Qf6 40.Qc2 Rd6 41.dc6 Kf8 42.Qb1 Kg7 43.Qb8 Rcc6 44.Bc6 Nc6 45.Rc6! Rc6 46.Rc6 Qc6 47.Qa7 Qc1 48.Kh2 Qa3 49.a5 Qd6 50.f4 (50.f4 Qf8 51.a6+–) 1–0. Degterev,Pavel (2295) – Vio,Mauro (1670), IECG, 2009.

8.Bb2 Ne4 9.cd5 Qd5 10.Be2 Bg4 11.0–0 Rad8 12.h3 Be6 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Qc5 16.Qc2 b6 17.a4 Na5 18.Nd4 Bd5 19.Rfe1 g6 20.Rad1 Qe7 21.Bf3 Bf3 22.Nf3 (worse is 22.gf3 c5 23.Nb3 Nc4–/+) 22...Rfe8 23.Rd4 Nc6 24.Rc4 Rd6 25.Rd1 Red8 26.Rd6 Rd6 27.Re4 Qd7 28.g4 f6 29.Kg2 Nd8 30.Rd4 Ne6 31.Rd6 Qd6 32.Nd4 Nc5 33.Qa2 Kg7 34.a5 Qe7 35.a6 Qe4 36.Kg1 Qd3 37.Ne6 Ne6 38.Qe6 Qc3 39.Qe7 Kg8 40.Qe8 Kg7 41.Qe7 Kg8 42.Qe8 Kg7 43.Qe7 Kg8 44.Qe8 ½–½. forsetinn (2075) – nelson6 (2195), gameknot.com, 2013.

8.Bb2 Ne4 9.Be2 dc4 10.Bc4 Be6 11.Be6 fe6 12.0–0 Qd5 13.Nc3 Bc3 14.Bc3 Rad8 15.Qe2 e5 16.Rab1 b6 17.Rbc1 Rf7 18.h4 Nc5 19.d4 ed4 20.Bd4 Nd4 21.Nd4 Ne4 22.Rc6 Nc5 23.Qc2 Rdf8 24.Qe2 Rd7 25.Qc2 Kh8 26.Rd1 a6 27.a4 a5 28.Rd2 Rfd8 29.g3 Re8 30.Kh2 Rf8 31.Qa2 Qh5 32.Qc2 Qf7 33.Kg1 h6 34.Re2 Qd5 35.Qa2 Qh5 36.Qc2 Re8 37.Qc4 Qe5 38.Qb5 Ree7 39.Rd2 Qe4 40.Kh2 Kg8 41.Qc4 Rf7 42.Qb5 Kh7 43.Re2 Rfe7 44.Rd2 Rd8 45.Qc4 Rd5 46.Qa2 Red7 47.Re2 R5d6 48.Rd6 Rd6 49.Qc4 Rf6 50.Qb5 Rg6 51.Qc4 Rf6 52.Qb5 Rf8 53.Kg1 Rd8 54.Qc4 Rd6 55.Kh2 ½–½. Degterev,Pavel (2240) – Ingersol,Harry (2385), WC–2011–T–00006, 2010.

8.Bb2 Be6 9.cd5 Bd5 10.Be2 Qd6 11.0–0 Ng4 12.g3 Rad8 13.d4 Qh6 14.h4 Qd6 15.Qc1 (15.Qc1 Rfe8 16.Qc5–/+ Qg6–/+; 15.Nc3 Bc3 16.Bc3 Rfe8=+; 15.Bd3 Ne3 16.fe3 Qg3–/+). Gzel,Leszek (2165) – Zagierski,Adam (1810), 28SF open Warsaw, 2003.

8.Bb2 Be6 9.cd5 Bd5 10.Be2 Qd6 11.Qa4!? (11.Bc3 Bc3 12.Nc3 Bf3 13.Bf3 Rfe8 14.0–0 Rad8 15.d4+/=) 11...Ne4 (11...Rad8 12.0–0 Rfe8 13.Rc1 Bb6 14.d4 Ne4 15.Nc3 Nc3 16.Rc3 Qd7 17.Qd1 Qg4 18.h3 Qh5 19.Rac1 Ba5 20.Rc5 Bb6 21.R5c3 Ba5=) 12.0–0 Nc5 13.Qg4 (13.Qh4?! Rae8 14.Ng5? (14.Nd4 Re4+/–) 14...h6 15.Nh3 Nb3–+) 13...f6 14.Bc4!? Nb3 15.Ng5!? Na1 (15...f5 16.Qh5 h6 17.Bd5 Qd5 18.Qg6 Rf7 19.Qh7 Kf8 20.Nf7 Qf7 21.Qh8 Qg8 22.Qg8 Kg8 23.Ra2 Bd2 24.Bg7 Be3 25.fe3 Kg7 26.Rb2 Nba5 27.Rf5 Re8 28.Kf2 Kg6 29.Rd5+/–) 16.Ne4 Bc4 (16...Qd8 17.Bd5 Qd5 18.Nf6 (18.Bf6 Rf7 19.Ba1 Raf8+/–) 18...Rf6 19.Bf6 g6 20.Ba1 Re8 21.Rc1+/–) 17.Nd6 Bf1 18.Nf5 g6 19.Kf1 Ne5 20.Qa4 gf5 21.Qa5 Nc2 22.Qc5 Ne3 23.fe3 c6 24.Qc2 Rf7 25.Qf5 Rd8 26.Ke2 Rdf8 27.Nc3 1–0. Myrberg,Johnny – Nicotera,Alex, corr TKM/A003 (Myrberg), 1999.

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

8.Qc2 Ne5–/+ 9.Ne5 d4 10.Bd3? de3 11.fe3 Qe7 12.Nf3 Qe3 (12...Qe3 13.Kf1 Qf4–+) 0–1. Lach,Z – Noskowicz,Krzysztof, corr 1. AMM Poland, 1991.

8.Bc3 Bc3 9.dc3 Be6 =+.

8.Bc3 Bc3 9.Nc3 d4 10.Nd4 Nd4 11.ed4 Qd4 12.Be2 Bf5 13.0–0 c6 14.Qb3 Rfe8 15.d3 Nd7 (worse is 15...Bd3 16.Rfd1 Re3 17.fe3 Qe3 18.Kh1 Be2 19.Qb7+/–) 16.Ne4 Be4 17.de4 Nc5 (worse is 17...Qe4 18.Qb7 Qe2 19.Qd7 Qc4 20.Rfe1+=) 18.Qc2 (18.Qb4 a5 19.Qb6 Ra6–/+) 18...Qe4–+ 19.Qe4 Re4 20.Rfe1 Rae8 21.Rad1 Kf8 (21...Re2 22.Re2 Rb8 23.Re5+/–) 22.Kf1 Nb3 23.Rd3 Nd4 24.Re3? (24.Rd2–+) 24...Re3 (24...Ne2?! 25.Ke2 b6 26.Kd3 Re3 27.fe3–/+) 25.fe3 Re3 26.Bg4 Ra3 27.Bd7 g6 28.Re8 Kg7 29.Rb8 Rb3 30.Bc8 a5 31.Ra8 b6 32.Bd7 (32.Ra7 Rc3 33.Rb7 b5 34.cb5 cb5–+) 32...Rb4 33.c5 b5 34.Ra7 Rc4 35.Ra5 Ra4 0–1. Slupski,Mark – Balshaw,Anthony (2275), BCCA/C6/final ENG, 2011.

7.Nf3 Be6

8.Qb3 dc4 9.Bc4 Bc4 10.Qc4 Nc6 11.Bb2 Qd5 12.Qe2 Rad8 13.0–0 Qd3 14.Qd1 Ne4=+ 15.Ne1 Qb5 16.Bg7 Kg7 17.Qg4 Ng5 18.Nf3 Kh6–+ 19.Qf4 Kg6 20.Nh4= Kg7 21.Nf5 Kg6 22.e4?? Qe5 23.Qh4? Ne4 24.Qh6 Kf5 25.g4 (25.g4 Kg4 26.f3 Kf5 27.fe4 Ke4 28.Re1 Kd4 29.Re5 Ke5 30.Qh7 Bb6 31.Kh1=+). Rohrbacher – Claus, 3.Dt.Sen–ch, 1991.

8.Qc2 Nbd7 9.Bb2 c5 10.Be2 Rc8 11.0–0 Nb6 12.Ng5= Nbd7 13.Ne6 fe6 14.d3 Nb8 15.Nc3 Nc6 16.cd5 ed5 17.Qb3 Bc7 18.Ne4 c4 19.Nf6 Rf6 20.Bf6?? Qd6–+ (20...Qd6 21.g3 cb3–+; 20...cb3? 21.Bd8 Rd8 22.Rab1+–) 0–1. Remetean,Vasile (2115) – Szabo,Leon (2100), Miskolc IM, 2004.

7.Nf3 Re8

8.Bb2 c5 9.cd5 Nd5 10.Be2 Nc6 11.0–0 Bg4 12.Qc2 Nf4 13.ef4 Re2 14.Ng5 g6 15.Qc4 Qe7 16.Nc3 (better is 16.f3!? Bf5 17.Nf7 Rg2 18.Kg2 Qf7 19.Qf7 (worse is 19.Qc5 Rd8–/+) 19...Kf7 20.Nc3+=) 16...Bc3–/+ 17.Qc3 Nd4 18.Qg3 h6 (better is 18...Bh5!? 19.Bd4 cd4+=) 19.Nf7 Qf7 20.Bd4 cd4 21.Qg4 Rd2 22.Rae1 Re8 23.Re8 Qe8 24.f5 g5 25.h4 Qe2 26.Qg3 d3 27.Qb8 Kf7 28.Qb7 Kf6 29.hg5 hg5 30.g3 (30.Qa7 A) 30...Kf5?! 31.Qf7 Ke4 32.f3 Kd4 33.Qa7 Kc3 34.Qg7 Kb3 35.Qf7 (35.Qg5 Rd1 36.Qd5 Kb2 37.Qd4 Kc1 38.Qf4 Qd2 39.Rd1 Kd1 40.Qa4 Qc2–+) 35...Kb2 36.Qf6 Kc2 37.Qc6 (37.Qg5 Rd1 38.Qc5 Kb1 39.Qb4 Kc1 40.Qc4 Qc2 41.Rd1 Kd1–+) 37...Kb2 38.Qf6 Kc2 39.Qc6 (39.Qg5 Rd1 40.Qc5 Kb1 41.Qb4 Kc1 42.Qf4 Qd2 43.Rd1 Kd1–+) 39...Kb2 40.Qf6=; B) 30...Qf1 31.Kh2 Qf2 32.Qa6 Kf5 33.Qc8 Kg6 34.Qe8 Kg7 35.Qe5 Qf6 36.Qc7 Kg6 37.Qb8 Re2 38.Qg3 Qd4 39.Qf3 Qh4 40.Qh3 Qh3 41.Kh3 d2 42.a4 d1Q 43.Kg3 Qd5 44.a5 Qg2) 30...Rc2 (30...Rd1!? 31.Qc6 Kf5 32.Qc8 Ke4 33.Qb7 Ke5 34.Qb8 Kf6 35.Qf8 Kg6 36.Qg8 Kh5 37.Qf7 Kh6 38.Qf6 Kh5 39.Qf7 Kh6 40.Qf6 Kh5 41.Qf7=) 31.Qh7+= Qe8 32.Kh2 Qf7 33.Qh6 Kf5 34.Rb1 Rf2 35.Kg1 Kg4 36.Rb4 Kf3 (36...Kg3 37.Qg5 Kf3 38.Qg4 Ke3 39.Qd4 Kd2 40.Rb2 Kc1 41.Rf2 Qf2 42.Kf2 Kc2 43.Ke3 Kb1 44.Qb4 Kc2 45.Qd2 Kb3 46.Kd3 a5 47.Qc2 Ka3 48.Kc3 a4 49.Qb2) 37.Qg5 Rg2 38.Kh1?? (better is 38.Kf1 Rf2 39.Kg1 Rg2 40.Kf1 Rf2 41.Kg1=) 38...Rg3 39.Qh4 Qf5 40.Kh2 (40.Rb5 Rh3 41.Kg1 Qg6 42.Qg5 Rg3 43.Kh2 Rg5 44.Rf5 Qf5 45.a4 Qh7) 40...Qe5 41.Re4 (41.Qe4 Qe4 42.Re4 Rg2 43.Kh3 Ke4 44.a4 d2 45.Kg2 d1Q 46.Kf2 Qf3 47.Kg1 Qg3 48.Kf1 Ke3 49.a5 Qf2) 41...Rg2 (41...Qb2 42.Re2 Qe2 43.Kh1 Qg2) 42.Kh1 Qe4 0–1. Letzelter,Jean_Claude – Brongers,Henk, Saint–Quentin France, ChampionshipVeter, 2015.

8.Bb2 c5 9.Be2 Be6 10.Qc2 Nc6 11.0–0 Rc8 12.Rc1 d4=+ 13.ed4 Nd4 14.Nd4 cd4 15.d3 Ng4 16.h3 Nf2 17.Kf2+= Qh4 18.Kg1 Bh3 19.Bf3?? Re1 20.Re1 Qe1 21.Kh2 Bc7 22.g3 Qg3 23.Kh1 Qe1# 0–1. Markus,Otto – Steger,W, BdF, 1984.

8.Bb2 Bf5 9.cd5 Nd5 10.Bc4 c6 11.0–0 Nd7 12.d4 Qe7 13.Nbd2 b5 14.Ba2 Rac8 15.Bb1 Bb1 16.Rb1 N7b6 17.Qb3 Na4 18.Rfc1 a6 19.Ba1 Red8 20.Rc2 c5 21.Rbc1 Ndb6 22.dc5 Nc5 23.Qa2 Nba4 24.g3 Qb7 25.Ne5 (better is 25.Qb1!?+=) 25...Bd2–/+ 26.Rd2 Rd2 27.Qd2 f6 28.Nd3 Nd3 29.Rc8 Qc8 30.Qd3 Qc1 31.Kg2 Qc6 (31...Qa1 32.Qd8 Kf7 33.Qd7 Kg6 34.Qg4 Kh6 35.Qh4 Kg6 36.Qg4 Kf7 37.Qd7 Kf8 38.Qd8 Kf7 39.Qd7=) 32.Kg1 Nb6 33.Bc3 Kf7 34.Bb4 h6 35.Qd8 Nd7 36.h4 Kg6 37.Bc3 ½–½. Degterev,Pavel (2270) – Martin,Angel (2345), WC–2013–S–00009, 2010.

8.Bb2 Bf5 9.cd5 Nd5 10.Be2 Nd7 11.0–0 Nc5 12.Nd4 Be4 13.Nb3 Nb3 14.Qb3 Re6 15.Nc3 Rb6+= 16.Qc4 Nc3 (16...Rb2 17.Ne4 Bd2 18.Rad1=) 17.Bc3= Bd5 18.Qd4 Bc3 19.Qc3 Rc6 ½–½. Woelfelschneider,Peter (2335) – Boehme,Sebastian (2525), CiF–11.Superturnier, 2010.

8.Bb2 Bf5 9.Be2 c5 10.0–0 Nc6 11.cd5 Nd5 12.Qb3 Qb6 13.Qa2 (13.Qd5? A) 13...Qb2 14.Nc3 Bc3 15.Qf5+/– (15.dc3?! Be4 16.Qc4 Na5+=); B) 13...Be6 14.Qg5 Qb2–+) 13...Be6 14.Bc4 Qd8 15.Nc3 Bc3 16.Bc3 b5 17.Bb3 Rb8 18.h3 a5 19.Qb1 g6 20.Rc1 Bf5 21.Qb2 c4 22.Bd1 Nc3 23.dc3 Ne5 24.Ne5 Re5 25.Bf3 Qf6 26.Be2 Qh4 27.Rd1 Bh3 28.Rd4 Qg5 29.Bf3 Rc5 30.Rad1 Be6 31.Rd6 Qe7 32.Qd2 Rcc8 33.Qd4 b4 34.cb4 ab4 35.ab4 Rb4 36.Bc6 Rbb8 37.Bd7 Bd7 38.Rd7 Qe8 39.Qc3 Rb1! 40.R7d5 Rd1 41.Rd1 Qb5 42.Rc1 h5 43.Rc2 h4 44.Kh2 Qf5 45.Rd2 f6 46.Kg1 Qe6 47.Rd4 g5 48.Qd2 c3 49.Qd3 Qf7 50.Rd8 Rd8 51.Qd8 Kg7 ½–½. Degterev,Pavel (2225) – Pedro,Fernando (2170), CP–2011–P–00028, 2011.

8.Qc2 Nc6 9.Bb2 d4 10.Ke2 Ne4 11.Nd4 Qh4 12.g3 Qh5 13.Nf3? (better is 13.f3 Ng3! 14.hg3 Qh1 15.Qa4–+) 13...Ng5 14.Bg2 Bh3 15.Rg1 Bg2 16.Rg2 Nf3 (worse is 16...Qf3 17.Kf1 Rad8 18.Nc3–+) 17.g4 (17.Qd1 Re4 18.h3 Qh3 19.Qf1–+) 17...Qh3 18.Rg3 (18.Qd3 Qg2 19.Qd5 Ng1 20.Kd1 Qf2–+) 18...Ncd4 19.Bd4 Nd4 20.Kd3 Qf1 21.Kd4 Rad8 22.Kc5 Re5 0–1. combijack (1785) – ottobre_rosso (1930), gameknot.com, 2012.

8.Be2 dc4 9.Bc4 Bg4 10.Be2 Nc6 11.Bb2 Ne4 12.Nc3 Bc3 13.dc3 Qd1 14.Rd1= Rad8 15.Nd2 Be2 16.Ke2 Nd2 17.Rd2 Rd2 18.Kd2 Rd8 19.Kc2 Ne5 20.h3 Nc4 21.Bc1 f6 22.Rd1 Rd1 23.Kd1 Kf7 24.Kc2 c5 25.Kd3 b5 26.f4 Ke6 27.a4 ½–½. Hermann,G – Plock,Joerg, corr DDR–I–673, 1988.

7.Nf3 Bf5

8.cd5 Nd5 9.Qb3 Nc6 10.Bb2 Qd6 11.Be2 (11.Qb7 Rab8 12.Qa6 Rb2–+) 11...Nb6 12.0–0 Rfd8 13.d4 Qg6 14.Rc1 Be6 15.Qd1 Bh3 16.g3 Bg4 17.Bc3 Rd5 18.Ba5 Ra5 19.Nbd2 Rd8 20.Nb3 Rad5 21.Nc5 Rb8 22.Ra2 Nd7 23.Qb3 Nb6 24.Nh4 Qg5 25.f4 Qh5 26.Bg4 Qg4 27.Rf2 Rdd8 28.Qd3 Ne7 29.Nf3 Qc8 30.Qb3 Nc6 31.Ne5 Rf8 32.d5 Ne7 33.a4 a5 34.Rd2 Qd8? 35.e4 Qd6 36.Nf7 Rf7= 37.e5 (37.e5 Qg6 38.d6=) 1–0. Degterev,Pavel (2275) – Andersen,Lars Kirstein (2015), BI–2010–P–00005, 2010.

8.cd5 Nd5 9.Qb3 Nc6 10.Bb2 Qd7 11.Be2 Rfe8 12.Nc3 Nb6 13.0–0 Bd3 14.Rfc1 Nc4 (14...h6 15.Re1+=) 15.Bd3= Qd3 The backward pawn on d2 becomes a target 16.Qb7 N6e5 17.Ne5 Ne5 18.Qb3 Rad8 (18...Qd2?? 19.Rd1 Rab8 20.Qb8 (20.Rd2?? Rb3 21.Rc1 Reb8–+) 20...Qd1 21.Nd1 Nf3 22.gf3 Rb8 23.Rc1+–) 19.Qa4 Qf5 20.Rf1 (20.Qa5?? Nf3 21.gf3 Qa5–+) 20...Nd3 (20...Re6 21.Ne2 (21.Qa5?? Nf3 22.Kh1 Qa5–+) 21...Bd2 22.Qa7+=) 21.Rab1+= Re6 22.Ne2 Bb6 (22...Rb6 23.Nd4 Qd5 24.Qc2 Nb2 25.Rb2+/–) 23.Bc3+/– Qd5 24.Rb5 c5 (24...Qc6 25.f3+/–) 25.Nf4 Re4 26.Nd5 Ra4 27.Nb6 ab6 28.Rb6 Ra3 29.Rfb1 Raa8 30.Rb7 Rdc8 31.Rd7 Rd8 32.Rbb7 Rd7 33.Rd7 Nb4 34.g3 h5 35.Rc7 Nd3 36.f4 Kf8 37.Kg2 Ne1 38.Kf2 Nd3 39.Kf3 Rd8 40.e4 Nc1 (40...Ne1 41.Ke3 Nd3 42.h3+–) 41.Rc5 Rd3 (41...Nb3 42.Rh5 Nd2 43.Ke3 Nc4 44.Ke2+–) 42.Kf2 Rd2 (42...Rd6 43.Rh5 Na2+–) 43.Bd2 (43.Bd2 Nd3 44.Ke3 Nc5 45.Bb4+–) 1–0. forsetinn (2325) – chuckhar (2325), gameknot.com, 2014.

8.cd5 Nd5 9.Qb3 Nc6 10.Bb2 Nce7 (10...Be6!?–/+) 11.Nc3= c6 12.Nd5 (12.Qb7?? Rb8 13.Qa7 Rb2–+) 12...Nd5 13.Be2 (13.Qb7?? Rb8 14.Qa7 Rb2–+) 13...Re8 14.0–0 (14.Qb7?? Rb8 15.Qc6 Rb2–+) 14...Qb6 15.Qa2 Rad8 16.Be5 Rd7 17.Rac1 Qd8 18.Qb2 f6 19.Bg3 Bc7 20.Bc7 Qc7 21.Nd4 Bg6 22.Bg4 Rde7 23.Rfd1 Qb6 24.Qa1 c5 25.Ne2 Rc7 26.Bf3 Qd6 27.Nc3 Nc3 28.dc3 Qe7 29.Qb2 Be4 30.Be4 Qe4 31.Rd2 Qa4 32.Rcd1 b6 33.h3 ½–½. forsetinn (2320) – urdukan (2315), gameknot.com, 2014.

7.Nf3 Bg4

8.Qb3 Bb6 9.Qb2 Nbd7=+ 10.Bc3 c6 11.cd5= cd5 12.Bb4 Nh5?? 13.Ne5 Ndf6? 14.h3 Be6 15.g4+– d4? 16.Bb5 Qd5–+ 17.Rg1? Qb5 18.gh5 a5 19.Rg7 Kh8 20.Rg5 Ne4?? 21.Bf8 Qb2–+ ½–½. Van Splunter,Arjen – Akkerboom,Jacob, Hengelo op U14, 2001.

8.Qb3 Nbd7 9.Bd4 c5 10.Bb2 =+.

8.Nc3 dc4 9.Bc4 Nc6 =+.

8.cd5 Nd5 9.Bb2 A) 9...Re8 10.Qb3 (10.Qa4 Bf3 11.gf3 c6 12.Rg1 f6=; 10.Be2 Nc6 11.0–0 Qd6 12.Nc3 Rad8+=) 10...b6 11.Bc4 c6 12.Nd4 Be6=; B) 9...c6 10.Qc2 (10.Nc3 Bc3 11.dc3 Qb6 12.Qc2 Bf5=; 10.Be2 Re8 11.0–0 Bc7 12.d3 Qd6+=; 10.Bd3 Nd7 11.0–0 N7f6 12.h3 Bh5+=) 10...Nd7 11.Be2 Re8 12.0–0 N7f6=; C) 9...Nc6 10.Qa4 (10.Be2 Re8 11.0–0 Qd6 12.Nc3 Rad8+=; 10.Bb5 Nce7 11.0–0 c6 12.Be2 Bc7=; 10.Bc4 Nb6 11.Be2 Re8 12.0–0 Be6+=) 10...Bd7 11.Qc2 Re8 12.Bd3 Nf6=.

8.cd5 Nd5 9.Qb3 A) 9...Nb6 10.Qb2 (10.Bb2 Nc6 11.Qc2 Qd5 12.Nc3 Bc3+=; 10.Qd3 N8d7 11.Bf4 Bf3 12.gf3 Qf6+=; 10.Bf4 Nc6 11.Be2 Qf6 12.Nc3 Bf3+=) 10...f6 11.Bf4 Rf7 12.Be2 Nc6=; B) 9...Bf3 10.gf3 Nc6 11.Bb2 Qd6 12.f4 Rad8+=.

8.cd5 Nd5 9.Bc3 A) 9...Nc3 10.Nc3 (10.dc3 Nc6 11.Qd8 Rad8 12.Be2 Rfe8+=) 10...Nc6 11.Be2 Qf6 12.Rc1 Rfe8+=; B) 9...c5 10.Qc2 (10.Ba5 Qa5 11.Qb3 Bf3 12.gf3 Nb6+=; 10.Be2 Nc3 11.Nc3 Nc6 12.0–0 Qd7+=; 10.Bd3 Bf3 11.gf3 Nf6 12.Be4 Ne4+=) 10...Bf3 11.gf3 Nd7 12.Bb2 Rc8+=; C) 9...Nc6 10.Ba5 (10.h3 Nc3 11.Nc3 Bh5 12.Be2 Re8+=) 10...Na5 11.d4 Rc8 12.Be2 c5+=.

8.cd5 Nd5 9.Be2 Nc6 10.Bb2 Qd7 11.0–0 Rfe8 12.h3 Bf5 13.d4 Re6 (13...Rad8!?+=) 14.Nh4= Nce7 (14...Rh6 15.Nf5 Qf5 16.Qb3+=) 15.Nf5+= Nf5 16.Bg4 Rb6 17.Qc2 g6 (17...Nfe3 18.fe3 (18.Bd7? Nc2 19.Ra2 Ne1–+) 18...Ne3 19.Bd7 Nc2 20.Ra2=) 18.Bc1 Nf6 19.Be2 (19.Bf5 gf5 20.Bd2 Bd2 21.Nd2 f4+=) 19...Re6 (19...Rc6 20.Qd3=) 20.Bc4 Rc6 (20...Re7 21.Nd2+=) 21.Qa4 Nd6 22.Bf7 Qf7 23.Qa5 Nd5 (23...Ra6 24.Qc3+=) 24.Qe1 (24.f3 Nf5 25.Qb5 Nb6+/–) 24...Re8+= 25.Nd2 Qf5 26.Nf3 Rc2 27.Bd2 (27.Ne5 c5+=) 27...Qd3 (27...Nc4 28.Rc1+=) 28.Qd1+/– Rb2 29.Bc1 Qd1 30.Rd1 Rc2 31.Rd2 Rd2 32.Bd2 Ne4 (32...Nc4 33.Kf1+/–) 33.Be1 Re6 34.Rb1 (34.Ne5 c5+/–) 34...b6 35.Rc1 (35.Ne5 Nef6+/–) 35...Nef6 (35...c5 36.Ne5+/–) 36.Ng5 Re7 37.Rc6 a5 38.Kf1 h6 (38...Kf8 39.Nf3+/–) 39.Nf3+– g5 40.Ne5 Kh7 (40...Kg7 41.Bd2+–) 41.g3 (41.Bd2 Kg7+–) 41...Kg7 42.Ke2 Ne4 (42...Nd7 43.f4 Ne5 44.de5 gf4 45.ef4+–) 43.Kd3 Ndf6 44.f3 Nd6 45.e4 Nb7 (45...Nb5 46.a4 Na7 47.Rc2+–) 46.Bc3 (46.Bd2 Nd8 47.Rc1 Nb7+–) 46...Nd8 47.Rc4 Nd7 (47...Nh5 48.d5 Kh7 49.Ng4+–) 48.Nc6 Nc6 49.Rc6 Nb8 50.d5 Kh7 51.Re6 (51.Re6 Re6 52.de6+–) 1–0. forsetinn (2460) – adalbert (2190), gameknot.com, 2016.

8.cd5 Nd5 9.Be2 Nc6 10.Bb2 Be6 11.0–0 Re8 12.Bb5 Nde7 =.

8.cd5 Nd5 9.Be2 Nd7 10.Bb2 (10.Bc3 Nc3 11.Nc3 Nc5 12.0–0 Bf5+=; 10.Bd4 c5 11.Bb2 Qb6 12.Qc1 Rfd8+=) 10...c6 (10...N7b6 11.0–0 Re8 12.Nc3 c6=) 11.Qc2 (11.0–0 Re8 12.Nc3 Nc3=) 11...Re8 12.0–0 N7f6 (12...Bc7=) 13.h3 Bh5 14.d3 Bc7 15.Nbd2 Nf4 16.ef4 Re2 17.g4 Nd5 18.Rfe1 Rd2 19.Qd2 Bf4 20.Qe2 Bg6 21.Ne5 Qd6 22.Qf3 Be5 23.Be5 Qd7 24.Rac1 h6 25.Bg3 Rd8 26.d4 f6 27.Re2 a5 28.Kh2 a4 29.Rce1 Qc8 30.Kg1 Bf7 31.Bf4 b5 32.Bd2 Qd7 33.Rc1 g5 34.Qg3 Kg7 35.Re4 Re8 36.Re8 Qe8 37.Qf3 Qd7 38.Qe4 Qc7 ½–½. forsetinn (2360) – gmfamilyguy (2160), gameknot.com, 2014.

8.cd5 Nd5 9.Be2 Re8 10.Bb2 (10.Bc3 Nc3 11.dc3 Nc6 12.Qd8 Rad8+=; 10.Bg3 Qf6 11.Ra2 Nc6 12.0–0 Be6+=) 10...Nc6 11.0–0 Qd7 12.Nc3 Rad8 +=.

8.cd5 Re8 9.Bb2 Bf3 10.Qf3 Nd5 11.Bc4 c6 12.0–0 Nf6 13.d3 Nbd7+= 14.Qf5 Qc7 15.Rd1 Rad8 16.Nd2 Bd2 17.Rd2 Ne5 18.Ba2 c5 19.d4 Qa5 20.Rad1 cd4 21.ed4?? Nf3!!–+ 22.Qf3 Qd2!? (22...Qd2 23.Bf7 Kf7–+) 0–1. Trokenheim,Marek – Larsson,Bo, corr SSKK 3–65, 1983.

6.a3 Nc6

7.Bb2 Ba5 8.cd5 Nd5 9.Nf3 Qe7 10.Be2 Bf5 11.Qb3 Rad8 12.Nc3 Nc3 13.Bc3 Bc3 14.Qc3 Rd6 15.0–0 Rfd8 16.d4 Rg6 17.g3 Rh6 18.Rfc1 Qd7 19.Nd2 Bg4 20.f3 Bh3 21.Ne4 Bf5 22.Bd3 Qe7 23.Qc5 Qd7 24.g4 Be4 25.Be4 Re8 26.Kh1 Re7 27.Ra2 Qe8 28.Qf5 Nd8 29.Kg2 c6 30.Rd2 Rg6 31.h3 h5 32.a4 hg4 33.hg4 Rh6 34.Rdd1 Qd7 35.Qd7 Rd7 36.a5 Rhd6 37.Rh1 g6 38.Kg3 Re7 39.Rc5 Kg7 40.g5 Ne6 41.Re5 b5 42.ab6 ab6 43.Rc1 Rc7 44.f4 Kf8 45.Ra1 Kg7 46.Bf3 Rcd7 47.Kf2 Rb7 48.Rc1 Nd8 49.Re8 f6 50.gf6 Kf6 51.Ra1 Kf7 52.Rh8 Kf6 53.Ra8 Rbd7 54.Bg4 Ne6 55.Rac8 Re7 56.Bf3 Nc7 57.Rhf8 Kg7 58.Rg8 Kh6 59.Rh8 Kg7 60.Rhg8 Kf6?? 61.Rcd8 Nb5 62.Rd6 Nd6 63.Bc6 Nf5 64.d5 1–0. Degterev,Pavel – Buczinski,Henryk, corr BdF, 2007.

7.Bb2 Bd6 8.cd5 Nd5 9.Nf3 Qe7 10.Qc2 Bg4 11.Be2 Rad8 12.Nc3 Nc3 13.Bc3 Rb8 14.h4 Bd7 (14...Ba3? 15.Ng5 g6 16.Bg4+–) 15.Ng5 f5 16.f4 Nd8 17.Qb3 Kh8 18.h5 h6 19.Nf3 Rf7 20.Nh4 Kh7 21.Rh3 Be6 22.Qc2 Kg8 (22...Ba3 23.Ng6 Qd6 24.Be5+–) 23.Ng6 Qd7 24.Rg3 Bd5 25.Ne5 Be5 26.Be5 Ne6 27.Bd3 Rbf8 28.Rg6 c5 29.Kf2 b5 30.Be2 c4 31.d3 Rc8 32.dc4 Bc4 33.Bf3 Qe7 34.Qc3 Rd8 35.a4 a6 36.Kg1 Nc5 37.ab5 ab5 38.Bd4 Qf8 39.Bc6 Rc8 40.Be5 Rd8 41.g3 Kh7 42.g4 fg4 43.Rg4 Nd7 44.Bd4 Nf6 45.Rg2 Kh8 46.Ra6 Rc8 47.Qb2 Attacking the isolated pawn on b5 47...b4 48.Rb6 b3 49.Ba4 Rb8 50.Bb3 Rb6 51.Bb6 Bb3 52.Qb3 Nh5 53.Bd4 Rd7 54.Qb5 Qf7 55.Qc5 Rc7 56.Qe5 Nf6 57.Qf5 Nh5 58.Qb1 Rb7 ½–½. Degterev,Pavel (2275) – Jordan,Juergen (2195), WC–2012–P–00013, 2008.

7.Bb2 Be7

8.Nf3 dc4 9.Bc4 Na5 10.Ba2 Qd3 11.Ne5 Qb5 12.Bc3 Ne4 13.Nf7 Rf7=+ 14.a4 Qf5–/+ 15.0–0 Nc3 16.Bf7 Qf7 17.Nc3 Be6 18.d4 Rd8 19.Qc2 Bb3 20.Qe4 c5 21.Ne2 Bf6 22.Rac1 cd4 23.Nd4 Bd4 24.ed4 Ba4 25.Qg4 Qd7 26.Qd7 Rd7 27.Rc8 Kf7 28.Ra1 Rd4 29.Rc7 Kf6 30.f3 a6 31.Kf2 b5 32.g4 Rd2 33.Kg3 Rd6 34.h4 Rc6 35.Ra7 h6 36.f4 Nb3 37.Rd1 Nc5 38.Rd5 Bc2 39.Rd8 g6 40.g5 hg5 41.hg5 Ke6 42.Re8 Kd5 43.Re5 Kd4 44.Re1 b4 45.Ra8 b3 (45...b3 46.Kg4 b2 47.Rd8 Kc3–+) 0–1. Waibel,Ulrich (1650) – Farr,Michael (1980), remoteschach.de, 2004.

8.Nf3 Bf5 9.d4 Na5 10.cd5 Qd5 11.Bd3 Bd3 12.Qd3 Nc4 13.Bc3 c5 14.0–0 Ne4 15.Rc1 b5 16.a4 a6 17.Qe2 Rac8 (17...Nc3 18.Nc3 Qd7 19.ab5 ab5 20.Ra8 Ra8 21.Kh1+=) 18.ab5 ab5 19.dc5 Bc5 20.Be1 Rfe8 21.Nc3 Nc3 22.Rc3 Red8 23.Rb3 Rb8 24.Rab1 Qc6 25.Bb4 Bb6 26.Rd1 Rd1 27.Qd1 Rd8 28.Qc2 Qd5 29.Rb1 f6 30.h3 Qf7 31.Qb3 Kh8 32.Bc3 Qg6 33.Rd1 Rd1 34.Qd1 h6 35.Qd7 Qc2 36.Bd4 Bd4 37.Nd4 Qd1 38.Kh2 Nd2 39.h4 Nf1 40.Kh3 Nd2 41.Qd8 Kh7 42.Qd5 Qh1 43.Kg3 Nf1 44.Kg4 Nh2 45.Kf4 Qg1 46.Qf5 Kg8 47.Qc8 Kf7 48.Qd7 ½–½. Van Moorsel,Aad (2150) – Soley,A Kerim (2035), IECG, 2004.

8.Nf3 Bf5 9.cd5 Qd5 10.Nc3 Qe6 11.Be2 Rad8 12.0–0 Ne4 13.Ne4 Be4 14.d4 Qg6 15.Rc1 a6 16.g3 Qe6 17.Bc4 Bd5 18.Bd5 Qd5 19.Rb1 f5 20.Bc3 Rf7 21.Nd2 (21.Rb7? Nd4 22.Ne5 Qb7 (22...Qe5?! 23.Bd4 Qd6 24.Qa4=) 23.Bd4 Rff8–/+) 21...Na7 22.Qb3 Nb5 23.Nc4 f4 24.gf4 Rf6 25.Ne5 Ba3 26.Bb4 Qb3 27.Rb3 Bb4 28.Rb4 c6 29.Kg2 Rfd6 30.Ra1 Rd5 31.Nd3 R8d7 32.h4 Re7 33.Kf3 g6 34.Ne5 Rd6 35.Rc4 Rf6 36.Ng4 Rfe6 37.Rc5 h5 38.Ne5 Kh7 39.Ke4 Nd6 40.Kd3 Rf6 41.Rg1 Kh6 42.e4 Nb5 43.Ke3 Nc7 44.Rcc1 Kh7 45.Rb1 Nb5 46.Rg5 Rd6 47.Rd1 a5 48.f3 a4 49.Rdg1 Rg7 50.f5 Nd4 51.Ng6 (51.Ng6 Kh6 52.Nf4 Nc2 53.Ke2 Nd4 54.Kf2 Rg5 55.hg5 (55.Rg5?! Rf6+/–) 55...Kg7 56.Nh5 Kf8 57.g6+–) 1–0. Degterev,Pavel (2275) – Schmitzer,Klaus (2245), WC–2012–S–00006, 2009.

8.Nf3 Bg4 9.cd5 Nd5 10.Nc3 Ne5 11.Ne4 f5 12.Neg5 Bg5 13.Be5 Qe7 14.d4 Rad8 15.h3 Bf3 16.Qf3 Bf6 17.Bc4 (17.Qf5? Bh4 18.Qc2 Bf2 19.Qf2 Rf2 20.Kf2 Qg5–+) 17...c6 18.Bf6 Rf6 19.0–0 g6 20.Rfc1 Kg7 21.a4 Nb6 22.Bb3 f4 23.ef4 Rd4 24.Re1 Qb4 25.g3 Nc4 26.Bc4 Qc4 (worse is 26...Rc4 27.Rab1 Qf8 28.Rb7 Rf7 29.Qb3+–) 27.Re7 Rf7 28.Qe3 ½–½. Degterev,Pavel (2275) – Bergmann,Paulo (1905), BI–2010–P–00005, 2010.

6.a3 Bd6

7.Bb2 dc4 8.Bc4 a6 9.Nf3 b5 10.Be2 Nbd7 11.a4 b4 12.0–0 Bb7 13.d3 c5 14.Nbd2 Qe7 15.e4 Rfd8 16.Nc4 Ng4 17.Qc2 a5 18.Rad1 Bb8 19.Rfe1 Nge5 20.Nfe5 Ne5 21.Ne3 Ba7 22.Nf5 Qe8 23.Bh5 Qe6 24.Qc1 f6 25.Be5 fe5 26.Re3 Kh8 27.Rf3 Rd7 28.Bg4 Rdd8 29.Ne3 Qe7 30.Bf5 Rd6 31.Nc4 Ra6 32.Bg4 Rd8 33.h4 Bc6 34.Qc2 Be8 35.Ne5 Ba4 36.Qa4 Qe5 37.g3 Bb8 38.Rc1 Bd6 39.Rf5 Qe8 40.Bd1 Qa4 41.Ba4 Bf8 ½–½. Degterev,Pavel (2225) – Koch,Christian (2165), SM–2010–0–00110, 2010.

7.Bb2 Re8 8.Nf3 Bg4 9.cd5 Nd5=+ 10.Be2 Qe7 11.0–0 Nd7 12.h3 Bh5 13.Nc3 Nc3 14.dc3 c5 15.Qd5 Nf6 16.Qb3 Ne4 17.Qd5 Bg6 (18.Rad1 Rad8=+). Bivens – Sternik,Ryszard, corr 3GMM–25, 1995.

7.d4 Be6 8.Bd6 Qd6 =.

7.h3 Be5 8.Nc3 Ne4 9.Bd3 Nc3 10.Qb3 Ne4 11.Rc1 dc4 12.Rc4 Nf2 13.Kf2 Nc6 14.Qa4 Qd3 15.Nf3 Bd7 16.Rc3 Bc3 17.dc3 Rfe8 18.Re1 Qc3 19.Qf4 Ne7 20.Ne5 Nf5 21.Nd7 Ne3 22.Re3 Qd2 23.Kf3 Qd7 24.g4 Re6 25.Re6 Qe6 26.Qc7 Re8 27.Qb7 Qe3 28.Kg2 Qd2 29.Kg3 g5 30.Qa7 Re3 31.Qe3 Qe3 32.Kg2 Qa3 33.Kf2 Qh3 34.Ke2 Kg7 35.Kd2 Qf3 36.Kc2 Kf6 37.Kd2 Ke5 38.Kc2 Kd4 39.Kd2 Qg2 40.Ke1 Kd3 41.Kd1 Qf1 0–1. willi_weizenkeim – mrempel, HCL–B1814 playchess.de, 2003.

7.Bb2 Be6

8.cd5 Bd5 9.Nc3 Nbd7 10.Nd5 Nd5 11.Nf3 N7f6 12.Bc4 c6 13.0–0 Re8 14.d3 h6? (better is 14...Nb6=) 15.e4+– Ng4 (better is 15...Nf4 16.e5 b5+–) 16.ed5 cd5 17.Bd5 Bh2 (17...Nh2 18.Bf7! Kf7 19.Nh2 Qd7+–) 18.Nh2 Nh2 19.Qh5 (19.Bb7?! Rb8 20.Kh2 Rb7+–) 19...Nf1 (19...Re7 20.Kh2 Qf8+–) 20.Qf7 (20.Qf7 Kh7 21.Qg7; 20.Rf1?! Qe7+–; 20.Kf1?! Re7+–) 1–0. Degterev,Pavel (2275) – Yloenen,Olli, BI–2010–P–00005, 2010.

8.Qf3 Nbd7 9.Ne2 –/+.

6.a3 Be7

7.Bb2 c5 8.cd5 Nd5 9.Qc2 Bf6 10.Nc3 Nc3 (10...Be6 11.Nf3+=) 11.Bc3 b6 12.Bd3 h6?? (better is 12...Bc3 13.dc3 f5+=) 13.Be4 1–0. Sundin,Tommy – Traeff,Paer, Iggesund, 1989.

7.Bb2 Nc6 8.d4 Be6 9.Nd2 dc4 10.Nc4 Qd5 (10...a6 11.Nf3+=) 11.Nf3+= Rad8 12.Qc2 (12.Bd3 b5 13.Ncd2 Rfe8+=) 12...Bf5 13.Bd3 Bb4 (13...Bd3 14.Qd3 b5 15.Ncd2+=) 14.Ke2 (14.Bc3 Bd3 15.Qd3 Be7+=) 14...Bd3+= 15.Qd3 Na5 (15...Be7 16.Rhc1+=) 16.Na5 (16.Rhc1 Bd6+=) 16...Ba5 17.Rhc1 Bb6 (17...Ne4 18.Kf1+=) 18.a4 (18.Qc4 Qh5=) 18...Rfe8 19.a5 Ba5 20.Rc5 Qc5 21.dc5 Rd3 22.Kd3 Rd8 23.Kc4 b6 24.Bf6 gf6 25.Nd4 a6 26.Ra2 (26.cb6 cb6 27.Kb3 h5=) 26...h5 ½–½. Diener,Rudolf – Baier,Guenter, corr ICCF EU/M24, 2000.

7.Qb3 c5 8.Nf3 (8.cd5 Qd5 9.Qd5 Nd5=) 8...Nc6 9.Bb2 (9.d4 Ne5 10.Ne5 cd4 11.ed4 dc4 12.Qc4 Be6–/+) 9...Na5–/+ 10.Qc2 Nc4 11.Bc4 dc4 12.Qc4 Be6 13.Qc2 b5 14.d3 (14.Ng5 g6+=) 14...c4 15.d4 (15.dc4 Bc4 16.Nbd2 Bd3+=) 15...Bd5 16.Nbd2 Re8 17.0–0 Rc8 18.Bc3 (18.e4 Be6–/+) 18...Bf3 (18...Bd6!?–/+) 19.Nf3 Qd5 20.Nd2 Bd6 21.Rfe1 Bh2?? (better is 21...Ne4–/+) 22.Kh2+/– Qh5 (22...Qd6 23.Kg1+/–) 23.Kg1+– Ng4 Black fights for the Initiative 24.Nf3 Rc6 25.Kf1 (better is 25.e4+–) 25...Qh1= 26.Ke2?? (better is 26.Ng1 Nh2 27.Ke2 Qg2 28.Ra2+=) 26...Qg2–/+ 27.Ne5 Qf2 28.Kd1 Ne3?? (28...Qc2 29.Kc2 Ne5 30.de5–/+) 29.Re3 Qe3 30.Nc6 Qg1 ½–½. Diener,Rudolf – Roggensack_Hanspach,Peter, corr SOK–92–79, 1992.

7.Qb3 Nc6 8.Bf6 Bf6 9.d4 dc4 10.Bc4 –/+.

7.c4 c5 8.d4 Nc6 9.Bg3 b6 10.cd5 Nd5 11.Bb5 Bb7 12.Qa4 Nb8 13.0–0 a6 14.Bd3 b5 15.Qc2 Nf6 16.dc5 Bc5 17.Bh7 Nh7 18.Qc5 Bf3 19.gf3 Qf6 20.Nd2 Rd8 21.Rfd1 Nc6 22.Rac1 Rac8 23.Qb6 Ne7 24.Qf6 Nf6 25.Rc8 Rc8 26.Bd6 Ned5 27.e4 Nb6 28.Nb3 Nfd7 29.e5 Nc4 30.f4 Re8 31.Kg2 Nb8 32.Bb4 Nc6 33.Nc5 a5 34.Bc3 Na3 0–1. Wartig,Wolfgang – Schuetze,Manfred, corr DDR–ch I817, 1989.

7.d4 c5 8.Bg3 (8.Nc3!? dc4 9.Bc4=+) 8...cd4–/+ 9.cd5 (9.Qd4 Nc6 10.Qd3 d4–/+) 9...Nd5 (better is 9...de3 10.fe3 Nd5–+) 10.Nd2? (better is 10.ed4 Qa5 11.Nd2–+) 10...Bg4?? (10...de3 11.Nc4 ef2 12.Bf2–+) 11.Qb1?? (better is 11.Qg4 de3 12.Nc4+=) 11...Bc5 (11...de3 12.fe3 Ne3 13.Bd3–+) 12.Nb3 (12.e4 Qe7–+) 12...Re8 (12...de3 13.f3 Bc8 14.Bd3–+) 13.Bc4 (better is 13.Bb5 Bd7 14.Bd3 de3 15.Bh7 Kh8 16.Nc5 Qa5 17.Kf1 Qc5 18.Bd3–+) 13...Ne3?? (better is 13...Bb6–+) 14.Bf7?? (14.fe3 Re3 15.Kf1 Qf6 16.Bf2 Rb3 17.Bb3 Qa6 18.Ke1–+) 14...Kf7–+ 15.Nc5 (15.Qa2 Ba3 16.fe3 Re3 17.Kf1 Qf6 18.Nf3 Be6 19.Qa3 Rb3–+) 15...Nc2 (better is 15...Qa5 16.Qb4 Nd5 17.Kf1 Nb4–+) 16.Kf1 Na1 17.h3 Re7 (18.hg4 Qd5–+; better is 17...Qa5 18.hg4 Qc5–+) 0–1. Korchut,Adam – Cottarelli,Franco, corr ICCF TT 6/02/1, 2002.

7.d4 Nbd7 +=.

7.cd5 Nbd7 8.Bd4 Nd5 +=.

7.Nf3 dc4 8.Bc4= c5 9.Bg3 (9.0–0 Nc6=) 9...Nc6+= 10.Nc3 a6 11.a4 Na5 (11...Bg4 12.0–0+=) 12.Ba2 (12.Be2 Be6+=) 12...c4 (12...Bg4 13.h3 Bh5 14.d3+=) 13.Qc2 Bg4 (13...Nd5 14.Nd5 Qd5 15.e4=) 14.Rd1 (14.Ne5 Be6=) 14...Rc8 (14...Nd5 15.Qe4 Bf3 16.gf3=) 15.0–0 (15.Bb1 Nb3+=) 15...Rc5 (15...Bf3 16.gf3 Qd3 17.Qd3 cd3 18.Rb1+=) 16.d4= cd3 17.Rd3 Qc8 (17...Qe8 18.Nd4=) 18.Nd4+= Ne4 19.Nd5 (19.Ne4 Rc2 Pinning (19...Rc2 Deflection)) 19...Rc2 20.Ne7 Kh8 21.Nc8 Ra2 22.Nb6 Ng3 (22...Nc5 23.Bd6 Nd3 24.Bf8+=) 23.fg3 Rb2 24.Nd5 Bd7 (24...Nc4 25.e4+=) 25.Rc3 Nc6 26.Rb3 Rb3 27.Nb3 Be6 28.e4 Rd8 29.Nc5 Bd5 30.ed5 Rd5 31.Nb7 Ne5 32.h3 (32.Rc1 h6+=) 32...h5 (32...Kg8 33.Rc1 h5 34.Rc8 Kh7 35.Ra8=) 33.Rb1 (33.Rf5 g6 34.Rf6 a5=) 33...Rd4 34.a5 Rd7 35.Kf1 Kh7 (35...Nc4 36.Nc5 Rd5 37.Rb8 Kh7 38.Rc8+=) 36.Nc5 Rd5 37.Rc1 f6 (37...Kg6 38.Ke2=) 38.Ke2 Nf7 (38...Kg6 39.Ke3=) 39.Ke3 Nd6 40.Kf3 (40.Rc3 Re5 41.Kf3 Nf5+=) 40...Rg5 (40...Rf5 41.Ke2=) 41.Rc3= Kh6 42.Kf4 Rf5 43.Ke3 Re5 44.Kf3 Nf7 45.Kf2 Ng5 46.Kf1 Kg6 (46...g6 47.h4 Nf7 48.Kf2+=) 47.Rc1 Nf7 48.Kf2 Kh7 49.Rc2 Nd6 (49...Ng5 50.Kg1+=) 50.Kf3 Nf5 (50...g5 51.Rc3+=) 51.Kf2 Kg6 52.Rc3 Nd6 53.Kf3 Nf7 54.Kf2 (54.Na6?? Ng5 55.Kf2 Ne4 56.Kf3 Nc3–+) 54...Ng5 55.Kf1 Ne6 (55...Kf7 56.Na6 Ra5 57.Nc5+=) 56.Nb3 Rf5 (56...Nd8 57.Nc5+=) 57.Ke1= Nd8 58.Nc5 Nf7 (58...Re5 59.Kf2=) 59.Ke2= Nd6 60.Ke3 Kh6 (60...Nb5 61.Rc4+=) 61.Rc1 (61.Ke2 g5+=) 61...Rd5 ½–½. Fire 4 64_bit 4CPU – Gull 3 64_bit 4CPU, CCRL, 2015.

7.Nf3 Bf5 8.cd5 Nd5 9.Be2 (9.Nc3 Nc3 10.dc3 Nd7=) 9...Bf6 (9...Nc6 10.0–0+=) 10.d4 Nd7 (10...Nc6 11.Bf6 Qf6 12.Qb3=) 11.Bd3 (11.Bf6 Qf6 12.Qb3 N7b6=) 11...Bd3 12.Bf6 N7f6 (12...Qf6 13.Qd3 c5 14.Nbd2=) 13.Qd3 c5 (13...Re8 14.0–0=) 14.0–0 cd4 (14...Qd6 15.dc5 Qc5 16.Rd1=) 15.Qd4 (15.Nd4 Rc8=) 15...Qb6 (15...Qc7 16.Ra2=) 16.Qb6 (16.Nbd2 Qa6=) 16...Nb6 17.Rc1 Ne4 (17...Rfd8 18.Nd4=) 18.Nbd2 (18.Nc3 Nc3 19.Rc3 Rfc8=) 18...Nd2 19.Nd2 Rfc8 (19...Rac8 20.Kf1=) 20.Ne4 (20.Kf1 Rab8+=) 20...Rc1 (20...Nc4 21.Rd1=) 21.Rc1 Rc8 The mate threat is Rxc1 22.Rc8 Nc8 23.Kf1 (23.a4 f5 24.Nc5 Nd6=) 23...Kf8 (23...b5 24.Ke2=) 24.Ke2 Ke7 25.Kd3 Nd6 26.Nc3 Ke6 27.a4 b6 28.Kd4 Nf5 29.Kc4 Nd6 30.Kd4 Nf5 31.Kc4 Nd6 32.Kd3 (32.Kb4 f5=) 32...Ke5 (32...a6 33.e4=) 33.f4 Ke6 (33...Kf5 34.h3=) 34.e4+= Nb7 35.Kd4 (35.g4 Nc5 36.Kd4 f6+=) 35...Nc5 36.a5 (better is 36.g4!?+=) 36...Nb3–/+ 37.Kc4 Na5 38.Kb5 Nb3 39.Ka6 Nd4 40.Ka7 b5 41.Nd5? (better is 41.Kb6 b4 42.Na4+=) 41...f5–+ 42.Nc3 (42.Kb6 fe4 43.Kc5 Nc2–+) 42...fe4 (42...b4!? 43.ef5 Kf5 44.Nd1–+) 43.Ne4 Kf5 (43...b4 44.Nc5 Kd5 45.Kb6–+) 44.Nc3 (44.Nc5!? Kf4 45.Kb6 Ke3–+) 44...b4 (44...Kf4?! 45.Kb6+=) 45.Nd5 (45.Nd1 Kf4 46.Kb6 Nf3 47.gf3 Kf3–+) 45...b3 46.Kb6 (46.Ne3 Kf4 47.Nc4 Ke4–+) 46...b2 47.Nc3 Kf4 48.Kc5 Nb3 49.Kc4 Nd2 50.Kd5 (50.Kd3 b1Q 51.Nb1 Nb1–+) 50...g5 (50...b1Q 51.Nb1 Nb1 52.Ke6–+) 51.Ke6 (51.Kd4 h5–+) 51...b1Q 52.Nb1 Nb1 53.Kf6 (53.Kf7 Nd2–+) 53...h5 54.g3 (54.Kg6 h4–+) 54...Kg4 55.h3 (55.Kg6 Nd2 56.h3 Kg3 57.Kh5–+) 55...Kg3 56.Kg5 h4 (56...h4 57.Kf5 Kh3–+) 0–1. Blasius – Schubert, BSW–Gast Sbr–Esn, 1987.

7.h3 Nbd7 Black is in command 8.Bh2 (8.d4 dc4 9.Bc4 Ne5 10.de5 Qd1 11.Kd1 Ne4–/+) 8...Nb6 9.Qc2 (9.cd5 Nbd5 10.d4 c6+=) 9...dc4 10.Bc4 Nc4 11.Qc4 c6 12.Ne2 Be6 13.Qc2 Qa5 14.0–0 Bf5 15.Qc3 Qc3 16.Nec3 (16.Nbc3 Bd3–/+) 16...Bd3 17.Rc1 Rfd8 18.Bf4 Rd7 19.f3 Nh5 (19...Rad8 20.Kf2–/+) 20.Be5 f6 21.Bh2 g6 22.Kf2 f5 (22...Rad8 23.Ne4–/+) 23.g3 (23.Be5 Nf6–/+) 23...Rf8 24.Re1 (24.g4 Bh4 25.Kg2 Nf6–/+) 24...Bf6 25.Ra2 Rfd8 26.Rd1 (26.e4 fe4 27.Ne4 Bd4 28.Kg2 Nf6–/+) 26...Ng7 27.Ke1 Ne6 28.f4 Nc5 29.h4 (29.Ne2–+) 29...Bc4 30.d4 Ba2 31.Na2 Ne4 (31...Re7 32.Kf2–+) 32.Nac3 Nc3 33.Nc3 Re8 (better is 33...c5 34.Ne2 cd4 35.ed4 Bd4 36.Nd4 Rd4 37.Rd4 Rd4–+) 34.Ne2 (34.Kf2–+) 34...Re3 35.Bg1 Ra3 36.Bf2 a5 37.Kf1 (37.Kd2 a4–+) 37...Be7 38.Rc1 Bb4 (38...Ra2 39.Nc3 Rb2 40.Na4–+) 39.Ng1 (39.Be1 Bd6–+) 39...Rd3 40.Kg2 Re7 (40...a4 41.Rc4 Rb3 42.h5–+) 41.Nf3 Re2 42.Rb1 Ra3 43.Ne5 Raa2 44.Rf1 (44.Nd3 Red2 45.Rb3 Kf7–+) 44...Bc3 (44...Be1 45.Nd3 Bf2 46.Nc1–+) 45.Kf3 Red2 (45...a4 46.Be3–+) 46.g4 (46.Be3 Re2–+) 46...Bd4 (better is 46...Rf2!? 47.Rf2 Rf2 48.Kf2 Bd4 49.Ke2 Be5 50.gf5 gf5 51.Kd3 Bf4 52.Kc3–+) 47.Bd4 Rd4 48.gf5 gf5 49.Rg1 Kf8 50.Rg5 (50.Rb1 b5–+) 50...Ra3 (50...Ra3 51.Ke2 Rf4 52.Nd7 Ke8–+) 0–1. Gross,Siegfried – Buttner,Fritz, CiF, 1990.

7.Bb2 Be6

8.cd5 Qd5 9.Nf3 Qh5 10.Be2 Qg6 11.Ne5 Qh6 (worse is 11...Qg2 12.Bf3 Qh3 13.Bb7+=) 12.Bf3 Nbd7 13.Nd7 Nd7 14.0–0 (14.Bb7? Rab8 15.Qf3 c6 16.Qc6 Nc5–+) 14...Bd6 15.g3 Rad8 16.d4 c6 17.Nc3 Nf6 18.Qe2 Rfe8 19.Rfe1 Qg6 20.Rad1 Bb3 ½–½. Whitmarsh,Jerry (2025) – Sobirey,Michael (2100), IECG, 2004.

8.Qf3 –/+.

7.cd5 Nd5

8.Qc2 Bf6 9.Nf3 Nc6 10.Bf6 Qf6 (worse is 10...gf6 11.d4+/–) 11.Nc3 Bf5 12.Bd3 Bd3 13.Qd3 Rad8 14.Qc2 Nc3 15.Qc3 Qc3 16.dc3 b6 17.Ke2 Na5 18.Rhd1 c5 19.Rd8 Rd8 20.Ra2 Kf8 21.Rd2 Rd2 22.Nd2 b5 23.f4 Ke7 24.e4 f6 25.Ke3 Ke6 26.Kd3 Nb7 27.g4 a5 28.c4 b4 29.a4 g5 ½–½. Degterev,Pavel (2240) – Staroske,Uwe (2330), WC–2011–T–00006, 2010.

8.Qc2 Bf6 9.Nf3 Re8 10.d4 Bg4 (10...Nc6 11.Bf6 Qf6 12.Be2=) 11.Nbd2= Nc6 12.Bd3 Be5 (worse is 12...Re5 13.de5 Ne5 14.Ne5 Be5 15.Bh7 Kh8 16.Rb1 Ne3 17.fe3 Qh4 18.Kf1 Qh7 19.Qh7 Kh7 20.Rb7+/–; 12...Ne5?! 13.Bh7 Kh8 14.de5 (worse is 14.Ne5 Be5 15.de5 Ne3 16.fe3 Qh4 17.g3 Qh7–/+) 14...Bf3 15.Nf3 Be5 16.Ne5 Re5 17.Bd3+=) 13.de5 (13.Bh7 Kh8 14.de5 g6 15.Bg6 fg6 16.Qg6 Qd7=) 13...h6 14.Bb5 Re6 15.Qb2 Na5 16.Be2 Qd7 (16...c5 17.0–0=) 17.Rd1 (17.h3 Rb6 18.Qd4 Be6=) 17...Rd8 18.Nb1 (18.Qd4 Rb6=) 18...Qe8 19.0–0 Rb6 (19...Bf3 20.Bf3 c6 21.Rd4=) 20.Qc2 (20.Qd4 Be6=) 20...Bh5 (20...Nc6 21.Qa2 Rb1 22.Qb1= (worse is 22.Rd5 Rf1 23.Kf1 Bf3 24.Bf3 Ne5–/+)) 21.Qc5 (21.Qa2 c6=) 21...Bf3 (21...Nb3 22.Qc4 Na5 23.Qh4=) 22.Bf3 Rb5 23.Qc2 c6 (23...Nc6 24.a4 Ra5 25.Nc3=) 24.Be2 Rb6 (24...Rb3 25.e6 Qe6 26.e4+=) 25.Qa4 Rb2 26.Qa5 Re2 27.Qa7 Qe5 (27...b5 28.Qd4 Ra8 29.Rc1+=) 28.Qb7 Rc2 29.Qb3 Rc5 (29...Rb2 30.Qa4 Rc8 31.Qg4+=) 30.Rc1+/– Nf6 (30...Rb5 31.Qc2 Rc8 32.Nd2+/–) 31.Qb6 Rcd5 32.h3 Ne4 33.Qc6 R5d6 34.Qc2 Rg6 (34...Rd3 35.Qe2+–) 35.Rcd1 (35.Rfd1 Re8 36.Nc3 Nc3 37.Qc3 Qe4+–) 35...Re8 36.Rd4 Qg5 37.f4 (37.g4 Nf6 38.Kh2 Qe5 39.Kh1 h5+/–) 37...Qe7 38.Kh2 (38.Rfd1 Rg3 39.Re1 f5+/–) 38...Qb7 (38...Re6 39.Rc1+/–) 39.Rfd1 Kh7 (39...Rge6 40.Rd8+/–) 40.Rd8 (40.Rd7 Qb6 41.Rf7 Qe3+/–) 40...Rc6+/– 41.Qa4 (41.Qd3 Rd8 42.Qd8 f5+/–) 41...Re7 (41...Rd8 42.Rd8 (42.Qe4?! f5 43.Qf5 Rg6=) 42...Rc1 43.Nd2 Nd2 44.Rd2+/–) 42.R8d4 f5 43.Qa5 Qc8 (43...Rc5 44.Qd8+/–) 44.Rd8 (44.Rd7 Rc5 45.Qa7 Rd7 46.Rd7 Qf8+–) 44...Qe6+/– 45.Nd2 (45.Qd5 Nf6 46.Qe6 Rce6+/–) 45...Ra6 46.Qb4 Rb6 47.Qd4 Nd2 48.Rd2 Qe3 49.a4 (49.Qe3 Re3 50.R8d3 Re4+/–) 49...Qd4 (49...Ra6 50.Qc4 Qe6 51.Qb5+/–) 50.R2d4 (50.R8d4 Re4+/–) 50...Ra6 (50...Re2 51.Rd2 Re4 52.a5+/–) 51.R8d6 Ra8 52.R6d5 (52.Rc4 Re2+/–) 52...Rea7 53.Rf5 Ra4 54.Ra4 Ra4 55.Kg3 Ra3 (55...Kg8 56.Re5+/–) 56.Kg4 Ra2 ½–½. Degterev,Pavel (2275) – Herzog,Klaus (1775), RA–2008–0–00025, 2008.

8.Qc2 Bf6 9.Nf3 Bg4 10.Bb2 +=.

8.Nc3 Be6 +=.

8.Bc4 Nb6 A) 9.Bb3–/+ N8d7 (9...Nc6 10.Bg3 Bf5 11.d4 Re8 12.Nf3 Na5+=) 10.Bf4 Nc5 11.Bc2 Nd3 12.Bd3 Qd3–/+; B) 9.Be2 Re8 (9...Nc6 10.Bg3 Rb8 11.d4 Re8 12.Nf3 Bf5=) 10.d4 c5 11.dc5 Qd1 12.Kd1 Bc5+=.

8.Bc4 c5 9.Qb3 Nb6 10.Bb8 Nc4 11.Qc4 Rb8 12.Nf3 Be6 13.Qe2 Bf6 14.Nc3 b5! 15.Rb1 (15.Nb5 Ba1 Pinning (15...Ba1 Deflection)) 15...Bc4 16.Qd1 Bd3 17.Rb3 a5 Black intends b4 18.Nb1 (18.g4 b4 19.Ne2–+) 18...b4 19.ab4 cb4 20.Nd4 (20.Rd3 Qd3 21.Ng1–+) 20...Qd4!! (worse is 20...Bd4 21.Rd3 Qg5 22.Rd4 (worse is 22.ed4 Qg2 23.Qf3 Qf3 24.Rf3 a4+=) 22...Qg2 23.Rf1+=) 21.f3 (21.ed4 Rbe8 Decoy) 21...Qh4 22.g3 Qc4 23.Rd3 Qd3 24.Kf2 Rfc8 25.Qe2 Qe2 26.Ke2 Bb2. michas – pierre, ChessHere.com, 2005.

8.Bc4 c5 9.Qc2 Nc6 10.Bb2 Be6 11.Nf3 a6 12.Bd3 f5 +=.

8.Bc4 c5 9.Qf3 Nb6 (9...Nf6 10.Qg3 Nc6 11.Bc7 Qd7 12.Nc3 Nh5+=) 10.Bb5 N8d7 11.Bc3 a6 12.Bd7 Qd7 +=.

8.Bc4 c5 9.Nf3 Nc6 10.Bb2 Be6 11.Qc2 Bf6 (11...a6 12.0–0 b5+=) 12.d3? (better is 12.Ra2+= Ndb4–+; 12.Bd3 Bb2+=) 12...Ndb4–+ (12...Ndb4 13.ab4 Nb4–+) 0–1. Freeling – Hornstein,Norman M, corr, 1975.

8.Bc4 Nc6 A) 9.Bg3 Be6 (9...Nb6 10.Bb5 Na5 11.Qc2 c5 12.Be2 c4+=) 10.Qc2 Na5 11.Ba2 Bf6 12.d4 Rc8–/+; B) 9.Bb2 Nb6 10.Bb5 Qd5 11.Bf1 Rd8 12.d4 Be6+=; C) 9.Bc3 Be6 10.Bb5 Nc3 11.Nc3 Na5 12.d4 c5+=.

8.Bc4 Be6 A) 9.Qc2 Nc6 10.Bb2 Na5 11.Ba2 c5 12.Nc3 c4+=; B) 9.Nc3 Nc6 (9...c6 10.Nd5 cd5 11.Bd3 Nc6 12.Bf4 d4+=) 10.Nd5 Ne5 11.Ne7 Qe7 12.Be6 fe6–/+; C) 9.Bd5 Qd5 (9...Bd5 10.Nc3 Be6 11.Nf3 Nd7 12.d4 c5+=) 10.Nf3 Qd7 11.d4 Rd8 12.Nc3 c5+=.

8.Nf3 Nc6 9.Bb2 A) 9...Bf5 10.Be2 (10.Nc3 Bf6 11.Be2 Nc3 12.dc3 Qe7 13.0–0 Rad8 14.Nd4 Bg6 15.Re1) 10...Bf6 11.Nc3 Nc3 12.dc3 Qd1 13.Rd1 Rad8 14.0–0 Bg4 15.a4; B) 9...Bf6 10.Nc3 (10.d4 Bh4 11.Nh4 Qh4 12.Qf3 Re8 13.g3 Qg5 14.h4 Qf5 15.Qf5) 10...Nc3 11.dc3 Qe7 12.Bd3 Rd8 13.Qc2 g6 14.0–0 Ne5 15.Be2; C) 9...Be6 10.Nc3 (10.Qc2 g6 11.Nc3 Re8 12.Be2 Bf6 13.0–0 b6 14.d3 Qd7 15.Nd5) 10...Nb6 11.d4 Na5 12.Bd3 Nbc4 13.Bc1 Qd6 14.Qc2 f5 15.0–0; D) 9...Qd6 10.Qc2 (10.Nc3 Bf5 11.Be2 Nc3 12.Bc3 Qg6 13.0–0 Rad8 14.Re1 b6 15.Qb3) 10...Bf6 11.Nc3 Nc3 12.Bc3 g6 13.Be2 Bf5 14.Qb2 Bc3 15.Qc3.

8.Nf3 Nd7 9.Bb2 A) 9...Bf6 10.d4 c5 11.Nc3 Nc3 12.Bc3 Nb6 13.Rc1 Be6 14.dc5 Bc3 15.Rc3; B) 9...Re8 10.Qc2 (10.Be2 Nc5 11.Nc3 Nc3 12.Bc3 Nd3 13.Bd3 Qd3 14.Ne5 Qd5 15.Qf3; 10.Nc3 Nc5 11.Be2 Nc3 12.Bc3 Nd3 13.Bd3 Qd3 14.Ne5 Qd5 15.Qf3) 10...Nc5 11.d4 Ne4 12.Bd3 Bf5 13.0–0 Bh4 14.g3 Bf6 15.Ne5; C) 9...g6 10.Be2 (10.Nc3 Nc5 11.Qc2 Bf6 12.Nd5 Bb2 13.Qb2 Qd5 14.Rc1 Be6 15.Be2; 10.Bc4 N5b6 11.Be2 Nc5 12.Nc3 Nd3 13.Bd3 Qd3 14.Qe2 Bf5 15.e4; 10.d4 c5 11.Nc3 Nc3 12.Bc3 Nf6 13.Bd3 Bg4 14.dc5 Rc8 15.0–0) 10...Nc5 11.0–0 Bf5 12.Nc3 Bf6 13.d4 Nc3 14.Bc3 Ne4 15.Rc1; D) 9...c6 10.Qc2 (10.Nc3 Nc3 11.Bc3 Nc5 12.Nd4 Ne4 13.Bb2 Qd5 14.Qb3 Bd7 15.Be2) 10...g6 11.Nc3 Nc3 12.Qc3 Bf6 13.Qc2 Nb6 14.d4 Be6 15.e4.

8.Nf3 Nd7 9.Bd4 c5 10.Bb2 N7b6 11.Qc2 g6 12.Nc3 Bf6 13.Ne4 Bb2 14.Qb2 c4 15.Qd4.

8.Nf3 Bf5 9.Be2 (9.Nc3 Nc3 10.dc3 Nd7=) 9...c5 10.0–0 Nc6 11.Bb2 Rc8 12.d3 Bf6 13.Qc2? (better is 13.Qd2!? Re8 14.Rc1+=) 13...c4!–+ 14.e4 (14.Qc4 Bb2 Deflection; 14.dc4 Bc2 Pinning (14...Bc2 Deflection)) 14...cd3 15.Bd3 Nf4 (15...Ncb4 16.Bf6 Qf6 17.Qb3 Nd3 18.Qd3 Qa1 19.Qd5–+) 16.Bf6–/+ Qf6 (16...Qd3?! 17.Qd3 Nd3 18.ef5 gf6 19.Nbd2=) 17.Nbd2? (better is 17.Qc3 Qg6 18.Nh4–+) 17...Bh3–+ (17...Nd3?! 18.Qd3 Be6 19.Rfd1=) 18.e5 Ne5 19.Bh7 Kh8 20.Qe4 Nf3 (20...Bg2?! 21.Qe5 Qe5 22.Ne5 Kh7 23.Rfd1–+) 21.Nf3 Rfe8 22.Qb1 (22.gh3 Re4 23.Be4–+) 22...Bg2 23.Be4 Bf1 24.Kf1 Rc1! 25.Qc1 Re4 26.Qc8 (26.h4 Qa6 27.Kg1 Ne2 28.Kg2 Nc1 29.Rc1 Rg4 30.Kh3–+) 26...Kh7 27.Qh3 Nh3 0–1. Hilbert,Stephan J – Flores,Luis (2105), FICGS, 2014.

8.Qc2 c5

9.Bb2 Nc6 10.Nc3 Be6 11.Bd3 f5 12.Nd5 Qd5 (worse is 12...Bd5 13.Bf5 h6 14.Ne2+=) 13.Nh3 g5 (13...Qg2? 14.Rg1 Qg1 15.Ng1+–) 14.e4 Qd7 15.ef5 Rad8 16.fe6 Qd3 17.Qd3 Rd3 18.f3 Rd6 19.0–0–0 Re6 20.Rhe1 Rg6 21.Re4 Bd6 22.Nf2 Rd8 23.Rde1 Kf7 24.Nh3 Bh2 25.Rh1 Bb8 26.Ng5 Rg5 27.Rh7 Kf8 28.Bf6 Rdd5 (28...Rg2? 29.Bd8 Rg7 30.Rh8 Rg8 31.Rg8 Kg8 32.Be7+–) 29.Bg5 Rg5 30.Rb7 Rg2 31.Rh4 Rg1 32.Kc2 Be5 33.Rh6 Nd4 34.Kd3 Kg8 (34...Nf3 35.Rc6 Bc7 36.Rcc7+– (36.Rbc7?! Ne5 37.Kc3 Nc6 38.Rc6 Rc1 39.Kb3 Rd1+/–)) 35.Ra7 Bg7 36.Rh5 Ne6 37.Rh4 Rf1 38.a4 Rf3 39.Kc4 Rf2 40.d3 Bd4 41.Re4 Ng7 42.a5 Rc2 43.Kd5 Ra2 44.a6 Ra3 45.Kc6 Kh7 (45...Rd3? 46.Rb7+–) 46.Kb5 Rb3 47.Ka4 Rd3 48.Rd7 Rf3 49.Rh4 (49.Rdd4?! cd4 50.Rd4 Rf7+=; 49.Red4?! cd4 50.Rd4 Rf7+=) 49...Kg6 50.Rh8 (50.Rdd4?! cd4 51.Rg4 Kh6 52.Rd4 Rf6+=; 50.Rhd4?! cd4 51.Rd6 Kg5 52.Rd5 Kg6 53.Rd4 Rf6+=) 50...Nf5 51.a7 Bh8 52.a8Q Rf4 53.Kb5 Bg7 54.Qg2 Kh6 55.Rd1 (better is 55.Qd2!? Kg5 56.Qd5+–) 55...Bd4 56.Rh1 Rh4 57.Rf1 Ne3 58.Qg3 Rg4 59.Qd6 Kh5 60.Rf2 Rg5 61.Rh2 Kg4 62.Qh6 Nf5?? (better is 62...Kf5+–) 63.Rg2 Ng3 64.Rg3! (64.Rg3 Kg3 65.Qg5 Kf3 66.Qf5 Ke2 67.Qe4 Kf2 68.Kc4+–) 1–0. Degterev,Pavel (2275) – Moreira,Carlos (1710), BI–2010–P–00005, 2010.

9.Bb2 Nc6 10.Nc3 Be6 11.Be2 a6 (11...Nc3 12.Bc3 Qd7 13.Nf3=) 12.Nf3 b5 13.0–0 f5 (13...Qd7 14.Nd5 Qd5 15.Rfd1+=) 14.Nd5 (14.Rab1 Qd7+=) 14...Qd5 15.h3 (15.Rab1 Rad8+=) 15...Qd6 (15...Rae8 16.a4 Rb8 17.ab5 ab5 18.d3+=) 16.a4 b4 (16...c4 17.Rfb1+=) 17.Rac1 (17.Rfc1 Na5 18.Be5 Qd7=) 17...Na5+= 18.Be5 Qb6 (18...Qd7 19.Rb1+=) 19.Qb2 (19.d3 Rac8=) 19...Rf7 20.d3 Rc8 21.Nd2 Qc6 22.Qc2 (22.Bh5 g6 23.Bd1 Rd8+=) 22...Bd5 (22...Bf6 23.Bf6 Rf6 24.Bf3+=) 23.Bf3= Qe6 24.Bd5 Qd5 25.Nf3 Rff8 (25...Bf6 26.Bf6 Rf6 27.Rb1+=) 26.Qb2 (26.Rfd1 Bd6 27.Bd6 Qd6=) 26...Qd3 (26...Bf6 27.Bf6 Rf6 28.Rfd1+=) 27.Bg7= Rf7 (27...Nc4 28.Qa1 Rf7 29.Rfd1=) 28.Be5 (better is 28.Ne5!? Qb3 29.Nf7 Qb2 30.Bb2 Kf7 31.Rfd1=) 28...Qe4 (28...Qb3 29.Qe2 Qe6 30.Bf4+=) 29.Nd2 Qd5 (29...Qc6 30.Rfd1+=) 30.Rfe1 (30.Rfd1 Qe6+=) 30...Rd8 (30...c4 31.Nf3+=) 31.Nf3 Nc6 (31...Nb3 32.Rc2+=) 32.Bf4= c4 (32...Qd3 33.Ng5 Bg5 34.Bg5+=) 33.Qe2 c3 34.Qa6 (34.Red1 Qa5 35.Qa2 Bf6=) 34...Rg7 (34...Bf6 35.Qb6=) 35.Kh1 Qe4 36.Qb6 (36.Red1 b3 37.Qb5 b2 38.Rd8 Bd8+=) 36...Ra8= 37.Red1 Rg6 (37...Ra4 38.Bg3=) 38.Qb5 (38.Qb7 Ra4 39.Qc8 Kg7=) 38...Ra5 39.Qb7 Ra7 (39...Ra4 40.Qc8 Kg7 41.Rd7=) 40.Qb5 Ra5 ½–½. Degterev,Pavel (2260) – Jekel,Wolfgang (2150), CP–2008–Q–00004, 2010.

9.Bb2 Nc6 10.Nc3 Be6 11.Nf3 a6 +=.

9.Bb2 Nc6 10.Nc3 Be6 11.Nf3 Nb6 12.Be2 Nc4 13.0–0 a6 14.Rfd1 Nb2 15.Qb2 b5 16.d4 cd4 17.ed4 Bf6 18.Ne4 Bd5 19.Nf6 Qf6 20.Ne5 Rfe8 21.Bf3 Rad8 22.Bd5 Rd5 23.Nc6 Qc6 24.a4 Qb6 25.ab5 ab5 26.Rac1 b4 27.g3 Qd6 28.Rc4 The isolani on b4 becomes a target 28...Rb5 29.Rb1 Reb8 30.Qc2 g6 31.Rc8 Kg7 32.Rb8 Rb8 33.Qc4 Qb6 ½–½. Degterev,Pavel (2225) – Milde,Lars (1810), CP–2009–Q–00018, 2011.

9.Nf3 Nc6 10.Bb2 Be6 11.Nc3 Nb6 12.Rc1 (12.Bb5 Rc8+=) 12...Rc8 13.Ne4 (13.Bd3 f5+=) 13...c4 14.Be2 Qd5 15.Ng3 (15.0–0 Rfd8+=) 15...Rfd8 (15...Qa5 16.h4 f6 17.0–0+=) 16.0–0 Qa5 Attacking the isolated pawn on a3 17.Nd4 Nd4 18.Bd4 Nd5 19.Qe4 (19.Bc4? b5 (19...Qa3?! 20.Qe4=; 19...Ba3?! 20.Ra1–/+) 20.d3 bc4 21.dc4 Nb6–+) 19...b5 20.Bg7 (20.Nh5 Bf8+=) ½–½. Gomez,Gustavo Daniel – Stull,Norbert, corr Interzonal Team Tournament, 2000.

8.Qc2 Nc6

9.Bb2 a6 10.Nf3 +=.

9.Bb2 Re8 10.Nf3 Bf6 11.Nc3 Bg4 12.Rb1 Bf3 13.gf3 Nd4 14.Qd1 Nc3 15.Bc3 b6 16.Bc4 Qd6 (16...a6 17.Bd4 Qd4 18.Qc2+=) 17.Bd4 (17.0–0 Nf5 18.Qb3 Re7+=) 17...Qd4 (17...Bd4 18.Qb3 Re7 19.Qd3+=) 18.Qb3 Qd7 19.d4 Re7 20.0–0 Qf5 (20...Rd8 21.Rfd1+=) 21.Kg2 ½–½. Degterev,Pavel (2240) – Dorer,Manfred (2255), BI–2010–F–00004, 2011.

9.Bb2 Re8 10.Nf3 Bf6 11.Nc3 Bg4 12.Rb1 Bf3 13.gf3 Nd4 14.Qd1 Nc3 15.Bc3 b6 16.Bc4 Ne6 (16...a6!?+=) 17.Bb5= Rf8 18.Qc2 (18.Bc6 Bc3 19.Ba8 Qa8 20.dc3 Ng5=) 18...Bc3+= 19.Qc3 Qe7 (19...c5 20.Rg1+=) 20.Bc4 (20.Bc6 Rad8=) 20...Rfd8 (20...Rad8 21.Rg1+=) 21.Rg1= g6 (21...Rd7 22.d3=) 22.Rg4 (22.Be6 Qe6 23.Qc7 Qa2+=) 22...Rd6 23.Kf1 (23.d4 c5 24.Be6 Re6 25.dc5 Rc8=) 23...Rad8+= 24.d3 Qd7 (24...a6 25.a4+=) 25.Qc2 (25.Kg1 c5=) 25...Qc6 (25...c6 26.Kg1=) 26.Qe2 (26.Kg2 Rd5=) 26...Qc5 27.a4 (27.Qb2 c6=) 27...Qf5+= 28.Rc1 (28.Kg2 c6+=) 28...c6 29.d4 Re8 30.Qd1 (30.Be6 Ree6 31.Rc4 Rd8+=) 30...c5 31.d5 Nc7 32.Kg1 Qf6 (32...Qh5 33.Rg3+=) 33.Rg3 (33.e4 Ne6+=) 33...a6 34.e4 (34.Bb3 Qe5 35.e4 Ne6+=) 34...b5 35.Bf1 c4 36.Qc2 (36.ab5 ab5 37.Bh3 Ne6–/+) 36...h5 (36...Kh8 37.Bg2+=) 37.Be2 (37.Bg2 Rb8+=) 37...Re5 (37...Qf4 38.ab5 ab5 39.Ra1–/+) 38.Rd1 c3 (38...Qf4 39.ab5 ab5 40.Qb2+=) 39.ab5= ab5 (39...Nb5 40.Qa4=) 40.Qc3 (40.Rb1 Rb6 41.Qc3 Nd5 42.ed5 Re2 43.Qf6 Rf6 44.Rb5 Rd2+=) 40...Red5+= 41.Qf6 (41.Rc1 Qc3 42.Rc3 Rd2 43.Rc7 Re2–/+) 41...Rd1–/+ (41...Rf6?? 42.ed5 (42.Rd5?! Nd5 43.ed5 b4+–) 42...Rd6 43.f4 Rd5 44.Rd5 Nd5 45.f5+–) 42.Bd1 Rf6 43.Kf1 b4 44.Rg5 Rb6 (44...Rc6 45.Ra5–/+) 45.Bb3 Rc6 46.f4 Kg7 (46...Ne6 47.Be6 Re6 48.f3+=) 47.Rg3 (47.f5 Rc1 48.Kg2 Rc3–/+) 47...Ne6 (47...Kf6 48.e5 Ke7 49.Rf3–/+) 48.Be6+= Re6 49.Re3 (49.e5 Rc6+=) 49...Kf8 (49...b3 50.Rb3 Re4 51.Rf3–/+) 50.Ke2+= Ke7 51.Kd3 Ra6 (51...Rc6 52.Kd4+=) 52.Kc4 Ra2 53.Rf3 Rc2 (53...Rb2 54.f5+=) 54.Kd4 (54.Kb4!? Ke6 55.h3=) 54...h4 55.h3 Kf6 56.Rb3 Rf2 57.Ke3 Rh2 58.Kd4 Rh1 59.Rb4 Rh3 60.e5 Kg7 61.Rb7 Rf3 62.Ke4 Rf1 (62...Rg3 63.Rb2–/+) 63.Rb8 h3 (63...f5 64.Ke3–/+) 64.Rb2 Kh6 (better is 64...f5 65.ef6 Kf6–/+) 65.e6? (better is 65.Rh2 Kh5 66.Rh3 Kg4 67.Rc3–/+) 65...fe6–+ 66.Rh2 Kh5 67.Rh3 Kg4 68.Rh6 Rf4 69.Ke3 g5 0–1. Degterev,Pavel (2275) – Onder,Evren (2235), SM–2009–0–00051, 2009.

9.Bb2 g6 10.Nc3 Bf5 (10...Nb6 11.Nf3=) 11.e4+= Nd4 12.Qd1 Nf4 13.g3 Be6 14.gf4 Bb3 15.Qc1 Nc2 16.Ke2 Nd4 17.Ke1 ½–½. Degterev,Pavel (2225) – Felicio,Clairton (2290), WC–2010–F–00003, 2010.

9.Bb2 Bf6

10.Nc3 Re8 11.Nd5 Bb2 12.Qb2 Qd5 13.Rc1 Nd4 14.f3 c5 15.Kf2 Nc6 16.Bc4 Qd6 17.Ne2 Bd7 18.Rhd1 Rac8 19.Ng3 b6 20.Bb5 Qe7 (20...Rcd8 21.d4 cd4 22.Bc6 Bc6 23.Rd4=) 21.Re1 (21.Kg1 Rcd8=) 21...Red8 22.d4 cd4 23.ed4 Qf6 (23...Qd6 24.Bc6 Rc6 25.Qb4=) 24.Ne4 Qh4 (worse is 24...Qd4 25.Qd4 Nd4 26.Bd7 Rc2 27.Rc2 Nc2 28.Rc1 Na3 29.Rc7+–) 25.Kg1 Bf5 26.g3 Qh6 27.Rc4 Ne7 28.Rc8 Rc8 (28...Bc8 29.Qc3 Nd5 30.Qc1=) 29.a4 (29.Qd2 Qe6=) 29...Nd5 30.Ba6 Rd8 31.Qb3 ½–½. Degterev,Pavel (2225) – Hnatovsky,Nicholas (2305), WC–2010–F–00003, 2010.

10.Nc3 Re8 11.Nd5 Bb2 12.Qb2 Qd5 13.Rc1 Nd4 14.f3 c5 15.Kf2 Nc6 16.Bc4 Qd6 17.Ne2 Bd7 18.Rhd1 Ne5 (18...Rab8 19.Qb3 Re7 20.Kg1+=) 19.d4 (19.Qb7 Ba4 20.Re1 Qd2=) 19...Nc4 20.Rc4 Rac8 21.Qc1 (21.e4 Qh2 22.Qb7 Bh3 23.dc5 Bg2=) 21...Qh2 22.Rh1 Qd6 23.Rc5 b6 24.Rc8 Rc8 25.Qb2 (25.Qb1 h6+=) 25...Rc4 26.Rc1 Ra4 Exerts pressure on the isolated pawn (26...Rc1 27.Nc1 Be6 28.e4=) 27.Nc3 Ra5 (27...Ra3?? 28.Nb5 Qb8 29.Na3+–) 28.Qb4 Qf8 (28...Qf6 29.Rh1=) 29.Qf8+= Kf8 30.Ra1 h5 (30...b5 31.Ra2+=) 31.e4 b5 (31...h4 32.Ke3+=) 32.Ra2 Ke7 (32...g5 33.d5+=) 33.Rb2 (33.Ke3 g5+=) 33...Ra3 34.Nb5 Ra1 35.Nc3 f6 (35...a5 36.Nd5 Kd6 37.Rb6 Bc6 38.Ra6 Ra2 39.Ke1 Ra1 40.Kd2 Ra2 41.Ke3+/–) 36.Ke3 (36.Nd5 Kd6+=) 36...h4 37.f4 White prepares the advance e5 (37.Kd3 a5+=) 37...a5 38.e5 (38.f5 Ra3 39.Kd3 Ra1+/–) 38...Rc1 39.Kd2 Rf1 40.Ke2 Rc1 41.Nd5 Ke6 42.Ne3 fe5 43.Rb6 Ke7 44.fe5 a4 45.Kd2 Rc6 (45...Ra1 46.d5 a3 47.Rb7+–) 46.Rb7 Re6 47.Ra7 Ke8 48.Ke1 Kd8 49.Kf2 (49.Nc4 Rg6 50.d5 Rg4+/–) 49...Bb5 (49...g5 50.Nc4 Bb5 51.Nd6+/–) 50.Ra5+/– Bd7 51.Nc4 Rg6 52.d5 Rg4 53.Ra8 Ke7 54.Nb6 Bf5 (better is 54...Rb4!? 55.Nd7 Kd7 56.Ra7 Kd8+–) 55.d6 Kf7 56.Ra7 Kf8 (56...Kg6 57.Ra4 Ra4 58.Na4+–) 57.Ra4 Ra4 58.Na4 h3 (58...Kf7 59.Nc5+–) 59.gh3 Bh3 60.Nc5 Kf7 61.Ke3 Bg2 (61...Bf5 62.Kd4 Bg4 63.Ne4+–) 62.e6 (62.Kf4 g6+–) 62...Kf6 63.e7 Bc6 64.Kd4 Kf7 (64...Be8 65.Kd5 Kf7 66.Na6+–) 65.Ke5 Bb5 (65...Be8 66.Nb7 Bd7 67.Nd8 Kg6 68.Ne6+–) 66.Kd5 (66.Nb7 Bd7+–) 66...Be8 67.Ne6 Bd7 68.Ng5 Kf6 69.Ne4 Kf7 70.Ke5 g6 (70...Bc6 71.Ng5 Ke8 72.Ne6+–) 71.Ng5 Kg7 72.Kd5 Kf6 73.Nh7 Kf7 74.Nf8 Bb5 75.Kc5 Ba4 76.Kb6 Ke8 77.Ng6 (better is 77.Kc7!? g5+–) 77...Kd7 78.Ka5 Bb3 (78...Bc6 79.Ne5 Kd6 80.Nc6 Kc6 81.e8Q Kd5+–) 79.Ne5 Ke8 80.Ng4 Kf7 81.Nf6! (81.Nf6 Kf6 82.e8Q+–) 1–0. Degterev,Pavel (2275) – Muller,Henri_Louis (2045), WC–2011–S–00003, 2008.

10.Nc3 Re8 11.Nd5 Bb2 12.Qb2 Qd5 13.Ne2 Bg4 (13...Rb8 14.Rc1+=) 14.f3 (14.Nc3 Qd7=) 14...Bf5 (14...Bc8 15.e4 Qd3 16.Ng3=) 15.Rc1 (15.Qb7 Rad8 16.Qb2 Ne5=) 15...Rad8 (15...Bc8 16.Ng3=) 16.Nf4 (16.e4!? Be4 17.fe4 Re4 18.Kd1=) 16...Qd6+= 17.Be2 a5 (17...a6 18.g4 Be6 19.d4=) 18.Nh5= Threatening mate... how? 18...f6 19.Rc3 (19.Ng3 Bd3=) 19...Ne5 (19...Bc8 20.Ng3=) 20.Qc1 (20.Ng3 Nd3 21.Bd3 Bd3–/+) 20...Bd3 21.Rc7 The passed pawn on d2 will quickly become a dangerous weapon. Opening the c–fi 21...Be2 (21...Re7 22.Re7 Qe7 23.f4 Be2 24.Ke2=) 22.Ke2 (22.Rg7 Kh8 23.Ke2 Qd3 24.Kf2 Qf5–+) 22...g6 23.Nf4 b5 24.Rc3 b4 (24...g5 25.Nh5=) 25.ab4 ab4 (worse is 25...Qb4 26.d4 g5 27.Nh5+/–) 26.Rc7 Kh8 (26...g5 27.Nh5=) 27.Rd1 g5 28.Qc2 Threatening mate: Qxh7 28...Nd7 29.Nd3 Qh2 30.Nf2 (30.Nb4 Qg2 31.Ke1 Qg3 32.Ke2 g4–+) 30...Qe5 (30...Qd6 31.Rh1 Re7 32.Ne4 Qa6 33.d3+=) 31.Rb1+/– Qd6 32.Rh1 (32.Ke1 Qh2+/–) 32...Re7+= 33.Ne4 Qb6 34.Kf2 (34.Rc1 b3 35.Qc3 Qb5 36.Kf2 b2+–) 34...g4 35.Rc8 b3 (35...gf3 36.gf3 (worse is 36.Kf3 Ne5 37.Kg3 Nd3+=) 36...Rg7 37.d4+=) 36.Rd8+/– Qd8 37.Qb3 gf3 38.gf3 (38.Kf3 Re4 39.Rh7 Kh7 40.Qf7 Kh6 41.Ke4 Ne5–+) 38...Nc5 39.Qc2 (39.Nc5 Qd2 40.Kf1 Qc1 41.Kf2 Qh1 42.Qb8 Kg7–+) 39...Ne4 40.fe4 Qe8 (40...Rg7 41.Ke1+/–) 41.Qc3 (41.d3 Rg7+/–) 41...Re5 (41...Qf7 42.Qc6+/–) 42.Qc7 (42.d3 Qe6+–) 42...h5 43.Qd6 White gets in control 43...Qf7 (43...Kg7 44.Rg1 Kf7 45.d4+–) 44.Rc1 Re8 (44...Re7 45.Qf4 Kg7 46.d3+–) 45.Qf4 Kh7 46.Qf5 (46.d3 Qa2 47.Kf3 Qf7+–) 46...Kh6 47.d4 Qe6 (47...Re7 48.Rc6 Kg7 49.Kg1+–) 48.Rg1 Do you see the mate threat? 48...Qf5 49.ef5 Kh7 (49...h4 50.Rg6 Kh5 51.Rf6+–) 50.Rg6 Rf8 51.e4 h4 (51...Rd8 52.d5 Rf8 53.d6+–) 52.Kf3 Rf7 53.Kf4 (53.Rg4 h3+–) 53...h3 (53...Rd7 54.d5 (54.Rf6?! Rd4 55.Rb6 Rd3+–) 54...h3 55.Rg3+– (55.Rf6 h2–+)) 54.Kg3 (54.Rg3 Rd7 55.Rh3 Kg7+–) 54...Re7 55.Rg4 (55.Kh3?! Re4 56.Rg4 Re3 57.Rg3 Re8+–; 55.Rf6?! Re4 56.d5 Re3 57.Kh2 Rd3+/–) 55...Rb7 56.Kh3 Rb3 57.Kg2 Rb4 58.d5 Rb6 (58...Rb3 59.Rg3 Rb1 60.Rg6+–) 59.Kf3 Ra6 60.Ke3 Kh6 (60...Ra4 61.Rg6 Ra3 62.Kd4 Ra4 63.Kc5 Re4 64.Rf6+–) 61.Kd4 Kh5 62.Rg8 Kh6 (62...Kh4 63.Kc5 Ra5 64.Kd6+–) 63.Kc5 (63.Kc5 Kh7 64.Rg6 Ra5 65.Kb4+–) 1–0. Gomez,Gustavo Daniel – Grasso,Giorgio Luigi Dr., corr Interzonal Team Tournament, 2000.

10.Nc3 Re8 11.Nd5 Bb2 12.Qb2 Qd5 13.Nf3 Bg4 =.

10.Nc3 Re8 11.Nd5 Qd5 12.Bf6 gf6 13.Nf3 +=.

10.d4 Re8 11.Nf3 Ne3 12.fe3 Nd4 13.Nd4 Bd4 14.Nc3 Re3 15.Ne2 Bf5 16.Qc1 (16.Qf5 Bb2 Deflection) 16...Bd3 17.Bd4 Qd4 18.Ra2 Rae8 19.Rd2 (19.Qd1 Qc4 20.Rb2–+) 19...Qh4 20.Kd1 Bb5 (20...Bb5 21.Kc2 Qa4 (21...Re2?! 22.Be2 Be2 23.Re1–+) 22.Kb1 Rb3 (22...Re2?! 23.Be2 Be2 24.Re1 Qb5 25.Ka1–/+) 23.Qb2 Rb2 24.Kb2 Be2 25.Be2 Re2 26.Re2 Qb5 27.Kc1 Qe2–+) 0–1. Diener,Rudolf – Dzenis,Raivo, EU/M89 corr ICCF, 2004.

8.Nf3 c5

9.Qb3 A) 9...Nb6 10.Nc3 (10.Qb2 f6 11.Qa2 Kh8 12.Bg3 Nc6 13.Nc3 Bf5 14.Be2 Bd3 15.0–0; 10.Bd3 Nc6 11.Qc2 g6 12.Nc3 c4 13.Be2 Ne5 14.Ne5 Bf5 15.Qb2; 10.Qc2 Nc6 11.Nc3 g6 12.Be2 Bf5 13.Qa2 Ne5 14.Ne5 Bf6 15.f4; 10.Bg3 Nc6 11.Nc3 Bf5 12.Be2 Bd3 13.0–0 c4 14.Qb5 Be2 15.Ne2) 10...Nc6 11.Bg3 Be6 12.Qc2 Na5 13.Rb1 c4 14.Be2 Ba3 15.Nb5; B) 9...Nc6 10.Nc3 Nb6 11.Bg3 c4 12.Qc2 g6 13.d4 Bf6 14.Be2 Bf5 15.Qb2.

9.Qc2 +=.

9.Nc3 Nc6 10.Qb3 Nb6 11.Qc2 g6 12.Be2 Bf5 13.Qb2 Ne5 14.Ne5 Bf6 15.f4.

9.Bc4 A) 9...Be6 10.Bd5 (10.e4 Nf4 11.Bf4 Bc4 12.Ne5 Bf6 13.Nc4 Ba1 14.0–0 Qd3 15.Nd6; 10.Bd3 Nc6 11.Qc2 g6 12.Bc3 Rc8 13.Be2 c4 14.0–0 Qb6 15.Bb2; 10.Qc2 Nc6 11.Bb2 Bf6 12.Bd3 Bb2 13.Qb2 Nf6 14.Be2 a6 15.Nc3; 10.Qe2 Nd7 11.Nc3 Ne5 12.Bd5 Bd5 13.Ne5 Bf6 14.f4 Re8 15.0–0) 10...Bd5 11.Nc3 Nc6 12.Bc7 Qd7 13.Nd5 Qd5 14.0–0 c4 15.Qb1; B) 9...Nc6 10.Nc3 Be6 11.Qe2 Ne5 12.Bd5 Bd5 13.Ne5 Bf6 14.f4 Be5 15.fe5.

9.Be2 Nc6

10.Bb2 Qb6 11.Qc1 Na5 12.Nc3 Nc3 13.Qc3 Bf6 14.d4 Nb3 15.Rd1.

10.Bb2 Qb6 11.Qc1 Bf5 +=.

10.Bb2 Qb6 11.Qc2 Bf5 12.d3 (12.Qf5 Qb2 Deflection) 12...c4!–+ 13.e4 (13.Qc4 Qb2 Deflection; 13.dc4 Bc2 Pinning (13...Bc2 Deflection)) 13...cd3 14.Bd3 Nf4 15.Ra2?? (better is 15.Bc3 Ng2 16.Kf1–+) 15...Nd3 (15...Nd3 16.Qd3 Be6–+; worse is 15...Ng2 16.Ke2 Nf4 17.Ke1–+) 0–1. Hilbert,Stephan J (1735) – Sorcinelli,Andrea (1965), FICGS, 2015.

10.Bb2 Bf6 11.Qc2 Re8 (11...Bf5 12.Qf5 Bb2 13.Ra2+=) 12.Nc3= Be6 13.0–0 Rc8 (13...Ne5 14.Nd5 Nf3 15.Bf3 Bb2 16.Nc7 Qc7 17.Qb2=) 14.Ne4 (14.Bd3 h6=) 14...Bb2+= 15.Qb2 b6 16.Ba6 Rc7 17.d3 h6 (17...Bf5 18.Nfd2+=) 18.Rac1 Bg4 19.Ned2 (19.Nfd2 Rce7 20.Bb5 Qd7=) 19...Kh7 (19...Qd6 20.Bb5=) 20.Bc4 Ne5?? (better is 20...Be6=) 21.Ne5+– (21.Ne5 Bc8 22.d4+–) 1–0. Boehnke,Hartmut (2015) – Striepens,Benedikt (2130), GER–ch36 V5 email, 2004.

10.Bb2 Bf6 11.Qc2 (11.Nc3 Bc3 12.Bc3 Nc3 13.dc3 Qf6 14.Qb3 Be6 15.Qb2) 11...Bf5 12.Qf5 Bb2 13.Ra2 Bf6 14.0–0 Rc8 (14...g6 15.Qc2) 15.Rc2 (15.Rc1+=) 15...g6 16.Qe4 Re8 17.Qa4 Qb6 18.Bc4 Red8 19.Bd5 Rd5 20.Nc3 Bc3 21.Rc3 Rcd8 22.Qe4 Qc7 23.Rfc1 Qd6 24.h3 Kg7 25.Qb1 Rd7 26.Qb5?? (better is 26.Qc2 Ne5 27.Ne5 Re5 28.Rc5 Rc5 29.Qc5 Qc5 30.Rc5 Rd2 31.g4=) 26...Nd4!–+ 27.ed4 cd4 28.Rc5 Rc7! 29.Rc7 Rb5 30.a4 Rb1 31.Rf7 Kf7 32.Rb1 b6 33.Rc1 (33.Rb3 Qc5 34.Rd3 b5 35.ab5 Qb5 36.Rd4 a5–/+) 33...Kg7 (33...d3 34.Rc6 Qd8 35.Ne5 Kg7 36.Rc4–+) 34.Rc4 (34.d3!?+=) 34...d3–/+ 35.Rg4 0–1. Kagan,Shimon (2360) – Shmuter,Leonid (2480), Tel Aviv, 1995.

10.Qb3 Ne5 11.Ne5 Bf6 12.f4 Be6 13.Qc2 Qc7 14.0–0 Be5 15.fe5.

7.Nf3 c5

8.Bb2 Nc6 9.cd5 Nd5 10.Nc3 Bf6 (10...Bf5 11.Bc4 Nb6 12.Bb5+=) 11.Qc2= Be6 (11...Ne5 12.Ne5 Be5 13.Bd3=) 12.Be2 (12.Rb1 Ne5=) 12...Nc3 (12...Rc8 13.Bd3 Kh8 14.Be4+=) 13.Bc3= Bc3 14.dc3 c4 15.Nd4 (15.0–0 Qf6=) 15...Nd4+= 16.ed4 (16.cd4 Re8+=) 16...Bd5 17.0–0 Qg5 Do you see the mate threat? 18.g3 Qh6 (18...Rfe8 19.Rfe1+=) 19.Rfe1 Rfe8 (19...Rad8 20.Bg4=) 20.Bf1 (20.Bg4 Qc6+=) 20...Qc6 21.f4 g6 (21...Rad8!?+=) 22.Bg2= Bg2 (22...Rad8 23.Bd5 Rd5 24.Qg2=) 23.Qg2 Kf8 (23...Qd7 24.Re5=) 24.Re5 (24.Qc6 bc6 25.Re5 Rab8=) 24...Qg2 25.Kg2 f6 26.Re8 (26.Rc5 Rac8+=) 26...Re8 (26...Ke8 27.Rb1 Rb8 28.a4+=) 27.Kf2 (27.Rb1 Rb8+=) 27...Re6 (27...Rb8 28.Ke3+=) 28.Rb1 Rb6? (better is 28...b6+=) 29.Rb6+– ab6 30.Ke3 Ke7 31.Ke4 Kd6 32.f5 g5 ½–½. Olovsson,B – Enterfeldt,Arne Attila, corr SSKK, 1974.

8.Nc3 dc4 9.Bc4 Nc6 10.0–0 a6 11.a4 Ne5 12.Ne5 Bd6 13.f4 Qc7 14.Nf3 Bd7 15.Nd5 Nd5 16.Bd5 Bc6 17.Bc6 Qc6 18.a5 b5 (18...Rfe8!?=) 19.ab6+/– Qb6 20.Qa4 Qb5 21.Qe4 Rfe8 22.Qd5 Qd7 (22...Red8 23.Ng5 Qe8 24.Qd3+/–) 23.Ng5 Red8 24.Qe4 h6 25.Qh7 Kf8 26.Ne4 f6 (26...Qe6 27.Rfb1 Qg6 28.Qg6 fg6 29.Rb6+–) 27.Rab1 (27.Rab1 Rab8 28.Nc5+–) 1–0. forsetinn (2345) – libelle_3 (1870), gameknot.com, 2015.

8.Nc3 dc4 9.Bc4 Nc6 10.h3 (10.Bg3 a6+=) 10...Bf5 (10...a6 11.a4+=) 11.0–0 Rc8 12.g4 (12.Re1 Nd7 13.Bf4 Nb6=) 12...Bd3 (12...Be6 13.d3+=) 13.Bd3 Qd3 (13...Ne5? 14.Ne5 Bd6 15.f4+–) 14.Bg3 Rfd8 15.Qb1 b6 (15...Qd7 16.Qf5–/+) 16.Qd3 Rd3 17.Rfd1 (17.Rfc1 c4+=) 17...h6 (17...Rcd8 18.Rac1+=) 18.Kf1 (18.Ne1 Rd7+=) 18...Rcd8 (18...c4 19.Ke2+=) 19.Ke2= R3d7 (19...c4 20.Ne1 R3d7 21.d3=) 20.Nh4 (20.d3 Bd6=) 20...Nd5 (20...c4 21.Nf5+=) 21.Nd5= Rd5 22.Nf5 (22.d3 g6=) 22...Bf6+= 23.Ra2 Kh7 (23...c4 24.Rb1+=) 24.d3 g6 25.Nh4 R5d7 (25...b5 26.Ng2+=) 26.f4 (26.Nf3 c4 27.d4 b5=) 26...Ne7+= 27.Ng2 Nd5 28.Be1 Bc3 (28...a6 29.Rc2=) 29.Rc2= Be1 (29...Bg7 30.Bh4 Re8 31.Kd2–/+) 30.Re1 (30.Ne1? Re7 31.Ng2 Ne3 32.Ne3 Rde8–+) 30...Ne7 (30...g5 31.fg5 hg5 32.h4=) 31.Rd1 Nc6 (31...f5 32.Rc4=) 32.Ne1 Re8 33.Kf3 Kg7 34.Rc3 (34.Kf2 Re6=) 34...Rd6 (34...f5 35.Ng2=) 35.Nc2 Red8 (35...f5 36.gf5 gf5 37.Rg1 Kf6 38.h4=) 36.e4 (36.d4 g5=) 36...Nd4 (36...g5 37.Ke3+=) 37.Nd4 Rd4 38.Ke3 c4 (38...g5 39.Rf1=) 39.a4 (39.e5 b5=) 39...a6 40.h4 (40.Rd2 b5=) 40...Kf6 41.Rb1 (41.g5 hg5 42.hg5 Ke6=) 41...Rd3 (41...cd3!? 42.Rd1 Ra4 43.Rdd3 Rd3 44.Kd3 b5–/+) 42.Rd3= Rd3 43.Ke2 Rb3 44.Rb3 cb3 45.Kd3 Ke6 46.Kc3 f6 (46...f6 47.Kb3 g5 48.fg5 fg5 49.hg5 hg5–+) 0–1. Schupp,Alfred – Rabe,W, BdF, 1975.

8.Nc3 Nc6 9.Bf6 Bf6 10.cd5 Ne5 11.Ne5 Be5 12.f4 Bf6 13.Bd3 Re8 14.0–0 Bc3 15.dc3 Re3 16.Qd2 Re7 17.Rae1 b6 18.Re7 Qe7 19.Re1 Qd8 20.d6 Be6 (better is 20...a6!?+/–) 21.f5+– Bd7 22.Re7 b5 23.Be4 Rb8 24.f6! (24.f6 c4 25.fg7+–) 1–0. forsetinn (2140) – kalle148 (2045), gameknot.com, 2014.

8.Nc3 d4 9.ed4 Nc6 10.Bf6 Bf6 11.dc5 Bc3 12.dc3 Qf6 13.Nd4 Rd8 14.Be2 Nd4 15.cd4 Rd4 16.Qc1 (16.Qb3 Re4 17.Rd1 Be6 18.Qb7 Re2 19.Ke2 Bc4 20.Kd2 Re8=) 16...Bd7 (16...Bg4 17.f3 Bf5 18.0–0–/+) 17.0–0 Bc6 18.Re1 Rad8 19.Ra2 Qf5 20.Bf1 Qc5 21.Qe3 b6 22.Qe7 Qe7 23.Re7 Bd7 24.f3 (24.Rae2 Kf8 (24...Rc4?? 25.Rd7 Rcc8 26.Ra7+–) 25.Re1 Rd2+=) 24...Kf8–/+ 25.Re5 Rc8 26.Kf2 Be6 The pressure on the isolated pawn grows 27.Rc2 Rc6 (worse is 27...Bc4 28.Ke3 f6 29.Rh5+– (29.Kd4 fe5 30.Ke3 b5–/+)) 28.Ke3 Rd1 29.Bd3 f6 30.Rb5 h6 31.a4 (31.f4 Ke7+=) 31...Bf7 32.Be2 Ra1 (32...Rh1 33.a5–/+) 33.a5+= Re6 34.Kd4 Be8 (worse is 34...ba5 35.c5=) 35.Rd5 Ra3 (35...Ra5?! 36.Ra5 ba5 37.Bd3=) 36.ab6 ab6 37.Bd3 (37.f4 Bc6–/+) 37...Bc6 38.Be4 Bd5 39.cd5 Ra4 40.Kd3 Re5 (40...Rd6 41.g4–/+) 41.g4 g6 42.d6 Rc5 43.Bg6 (43.Rb2 b5–+) 43...Rc2–+ 44.Kc2 Rd4 45.Kc3 Rd6 46.Kc4 Rd2 47.h4 Ke7 48.Kb5 Kd6 (48...Rb2!? 49.Kc4 b5 50.Kc3 Rf2–+) 49.Kb6–/+ Rb2 (49...Rb2 50.Ka5 Rh2–/+) 0–1. Ehrlich,Stefan – Hobert,Sebastian, 2005.

8.Nc3 Nbd7+= 9.Bf6 (9.Bf4 Nb6+=) 9...Nf6 10.Be2 (10.cd5 Nd5 11.Bc4 Nb6–/+) 10...d4–/+ 11.Na4 (11.ed4 cd4 12.Nb5 d3–+) 11...Bf5 (11...d3 12.Bf1–+) 12.d3 (12.ed4 cd4 13.0–0 d3–+) 12...Qa5 13.Nd2 Bd7 (13...de3 14.fe3 Rad8 15.Rb1 Bd3 16.Rb7 Be2 17.Ke2–+) 14.Nb2 de3 (14...Qc3 15.Qb3–/+) 15.fe3 Qc7 16.0–0 (better is 16.Qb3!?–/+) 16...Qe5–+ Black terminates the opponent with strong threats 17.Rb1 Qe3 18.Kh1 Bd6 19.Rf3 (19.Bf3 Bf4 20.Ne4 Ne4 21.Be4 Rab8–/+) 19...Qh6 Threatening mate: Qxh2 20.Nf1 Ng4 21.h3 Bc6 22.Rf5 (22.d4 Bf3 23.Bf3 Nf2 24.Kg1 Nd1 25.Rd1 cd4 26.Na4 Ba3 27.Rd3–+) 22...Qh3 (22...Qh3 23.Kg1 Qg2) 0–1. Loewe,Edward – Bendig,Frank, corr SOK–89–42, 1989.

8.Nc3 Nbd7 9.Bg3 Nb6 10.cd5 Nbd5 11.Qc2 Nc3 12.dc3 Qd5 13.c4 Qc6 14.Bd3 Bg4 15.e4 Bf3 16.gf3 Rae8 17.Rd1 Bd6 18.0–0 Qc7 19.Rd2 Be5 20.Rfd1 Nh5 21.Bf1 Ng3 22.hg3 Bd4 23.Bg2 f6 24.f4 b6 25.Rd3 Re7 26.a4 g5 27.Rf3 Qc8 28.Kf1 Qg4 29.Qe2 Rfe8 30.Ra3 Qe6 31.Qc2 gf4 32.gf4 Rg7 33.e5 (33.Rg3 Rg3 34.fg3 a6=) 33...Kh8 (33...Qg4 34.Bd5 Kh8 35.Rg3 Qf4 36.Rg7 Kg7 37.e6–/+) 34.Bd5 Qg4 35.Rg3 Qf4 36.Rg7 Kg7 37.e6 h5 38.Rd3 h4 39.Rf3 Qg4 40.Qd2 Qg6 (40...Be5 41.Qe2 Qg6 42.Rh3–/+) 41.Qe2 (41.Qf4 Qg5=) 41...Qb1 42.Kg2 Qg6 43.Kf1 ½–½. forsetinn (2440) – the_caboose (2250), gameknot.com, 2015.

8.Nc3 Nbd7 9.Bg3 dc4 10.Bc4 +=.

8.d3 Qd7 9.Nbd2 b6 10.Be2 Nc6 11.cd5 Ne5 12.Ne5 Qd5 13.Bf3 Qe5 14.Ba8 Bg4 15.Bf3 Bf3 16.Nf3 Qc7 (16...Qc3!? 17.Ke2 Nd5+=) 17.0–0+– Bd6 18.g3 Re8 19.Qa4 Qb7 20.Ng5 h6 21.Ne4! Re6 (21...Ne4 22.Qe8 Double attack (22.Qe8 Deflection; 22.Qe8 Decoy)) 22.Nd6 Rd6 23.Qb3 Qd7 24.Rfd1 Qh3 25.f3 Rd5 26.Qa4 Rh5 27.Rd2 Nd5 (better is 27...Qf5 28.Rf1 Qe5+–) 28.Qe8 Kh7 29.Qe4 g6 30.Qg4 (30.Rc1!? Qd7 31.d4 Nf6+–) 30...Ne3+/– 31.Qh3 Rh3 32.Re1 Nc4?? (better is 32...Nf5+/–) 33.dc4+– Rh5 34.Re7 Rf5 35.Kf2 a5 36.Rdd7 Kg7 37.Rb7 Rf6 38.f4 g5 39.Ke3 Kg6 40.Ke4 gf4 41.gf4 h5 42.h4 Kg7 43.Ke5 Kg6 44.Rb8 Rf5 45.Ke4 Rf6 46.Rg8 Kh7 47.Rg5 Kh6 48.a4 Re6 49.Re6 fe6 50.Ke5 b5 51.cb5 Kh7 52.Kf6 c4 53.Kf7 c3 54.Rh5 1–0. madik – elduderino1, gameknot.com, 2009.

8.d4 Nc6+= 9.Bg3 b6 (9...Bg4 10.Qb3+=) 10.cd5 Nd5 11.Bb5 Bb7 12.Qa4 (12.dc5 Bf6 13.Ra2 bc5=) 12...Nb8 (12...Rc8 13.dc5 bc5 14.Bc6 Bc6 15.Qa7–+) 13.0–0 a6 14.Bd3 b5 15.Qc2 Nf6 16.dc5 Bc5 (16...Bf3 17.gf3 Qd5 18.a4=) 17.Bh7 Nh7 18.Qc5 Bf3 19.gf3 Qf6 20.Nd2 Rd8 21.Rfd1 (21.Rad1 Qg6+=) 21...Nc6 (21...Rd2 22.Qc8 Nf8 23.Bb8 Qg6 24.Kh1 Rf2–+) 22.Rac1+= Rac8 23.Qb6 Ne7 24.Qf6 Nf6 (worse is 24...gf6 25.Ne4+–) 25.Rc8 Rc8 26.Bd6 Ned5 27.e4 (27.Ne4 Rc2+=) 27...Nb6 (27...Nc3 28.Re1+=) 28.Nb3 (28.Be5 Nbd7 29.f4 Rc2+=) 28...Nfd7 (28...Nc4 29.Be7+=) 29.e5 (29.Nd4 Nc4 30.Nf5 Rd8+/–) 29...Nc4+= 30.f4 Re8 31.Kg2 Nb8 (31...Rc8 32.Nd4+=) 32.Bb4 (32.Kf3 Nc6+/–) 32...Nc6 (better is 32...f6+=) 33.Nc5+= a5 34.Bc3 Na3 (34...Na3 35.Rd7 b4+=). Wartig,Wolfgang – Schuetze,Manfred, corr DDR–ch I817, 1989.

8.cd5 Nbd7 +=.

8.cd5 Bf5 =+.

8.Be2 Nc6 9.Bb2 Be6 10.Qc2 Na5 (10...Bd6 11.0–0+=) 11.d3 a6 12.0–0 b5 13.Nbd2 Rc8 14.cb5 ab5 15.Nb3 (15.Rfb1 Bd6=) 15...Nb3+= 16.Qb3 d4 17.Qd1 (17.Qb5? Rb8 18.Qb8 Qb8–+) 17...de3 18.fe3 Nd5 19.Qc1 (19.Qc1 Bf6 20.Rb1+=). Hermann,G – Sychov,A, corr ICCF–Cup8 V213, 1990.

8.Qc2 Nc6–/+

9.Bb2 d4 10.ed4 (10.Qd3 de3 11.fe3 Be6–/+) 10...cd4 (10...Nd4 11.Nd4 cd4 12.Qd3+=) 11.d3 (11.Qd3 Bc5+=) 11...Nh5 (11...Re8!?–/+) 12.Be2+= Nf4 Black terminates the opponent with strong threats 13.0–0 Re8 14.Re1 Bg4 15.Bd1 Bf5 16.Be2 Qd6 17.Bc1 (17.Qd2 Ne2 18.Qe2 Bf8–/+) 17...Ne2 18.Re2 Qg6 19.Ne1 Bd6 20.Re8 Re8 Threatening mate: Rxe1 21.Bd2 Qh5 Do you see the mate threat? 22.g3 (22.h3 Re2 23.Qb3 Qh4–+) 22...Re2 23.Ra2 Rf2!? 0–1. Borrmann,Fritz – Pagni,Carlo, corr 3GMM–49, 1996.

9.Bb2 Re8 10.cd5 Nd5 (10...Qd5 11.Nc3 Qh5 12.Rc1+=) 11.Nc3 (11.Bd3 h6=) 11...Bg4 (11...Be6 12.Bd3 h6 13.0–0=) 12.Nd5 Qd5 13.Bc4 (13.Bd3 Qh5=) 13...Qh5+= 14.Bc3 (14.Be2!?+=) 14...Bf3–/+ 15.gf3 Qf3 (15...Nd4 16.Bd4 Qf3 17.Rg1 cd4 18.Be2–+) 16.Rg1 g6?? (better is 16...Nd4! 17.Qd1 Bf6 18.Bd4 Qd1 19.Kd1 cd4–/+) 17.Rg6! Kf8 (17...hg6 18.Qg6 A classical mating theme) 18.Bg7 Kg8 19.Bh6 (19.Rh6 Qf5 20.Qf5 Kg7 21.Qh7 Kf8 22.Qf7) 19...Kh8 20.Qb2 (20.Qb2 Nd4 21.Bg7 Kg8 22.Rg1+–) 1–0. Friedrich – Herter, corr, 1984.

9.Bb2 Bg4 10.Nc3 =+.

8.cd5 Nd5

9.Bb2 Nc6 10.Be2 Bf6 11.Qc2 Bg4 12.Nc3 b6 (12...b6 13.Ng5 Bg5 14.Bg4 Bf6+=; 12...Nde7 13.0–0=). Grund,Karl – Salonen, corr, 1972.

9.Bb2 Nc6 10.Be2 Bf6 11.Bf6 Qf6 (worse is 11...gf6 12.Qc2+/–) 12.Ra2 Be6 13.Rc2 b6 14.d4 Nde7 15.dc5 Bb3 16.cb6 Bc2 17.Qc2 ab6 18.0–0 Rfd8 19.Qb3 Na5 20.Qb4 Qd6 21.Qe4 Ng6 22.Nd4 Qe5 23.Qg4 Qf6 24.a4 Rac8 25.Nd2 Qh4 (25...Nc6!? 26.Ba6 Rc7+=) 26.Qh4= Nh4 27.Rb1 Nc6 28.Nc6 (28.Rb6? Nd4 29.ed4 Rc2–+ (29...Rd4?! 30.Nc4–/+)) 28...Rc6 29.Nc4 Exerts pressure on the isolated pawn 29...Rdc8 30.Rb6 Rb6 (30...Rc4? 31.Bc4 Kf8 32.Bf1+–) 31.Nb6 Rc1 32.Bf1 Ra1 33.g4 (33.h3!?+=) 33...Nf3 34.Kg2 Ne5 (better is 34...Nh2!? 35.Be2 Re1+=) 35.g5 Nc6 36.h4 Rb1 37.Bb5 (better is 37.Nd5+/–) 37...Na7+= 38.Nc4 Nb5 39.ab5 Rb5 40.f4 Rb4 41.Ne5 f6 42.Nc6 Rb2 43.Kf3 Kf7 ½–½. Chirowska Raj,Antonina – Lubas,Bronislawa, Poland ch–5 women final, 1984.

9.Qc2 Nc6 10.Bb2 a6 11.Nc3 b5 (11...Be6 12.Be2+=) 12.Be2 Be6 13.0–0 Nc3 14.Qc3 Bf6 15.Qc5 Bb2 16.Rab1 Qf6 17.Qc6 Ba3 18.Nd4 Rfc8 19.Qb7 g6 20.h3 Rd8 21.Qb6 Be7 22.Ne6 Qe6 23.Qa5 Rac8 24.d4 Rc2 25.Bf3 Ra2 26.Qc7 Qd7 27.Qd7 Rd7 28.Ra1 Ra3 ½–½. Muri,Heinrich (2410) – Sukhov,Nick (2440), European TC VII, Final, 2008.

9.Qc2 Nc6 10.Bb2 Bf6 11.Nc3 Nc3 (11...Ne5 12.Ne5 Be5 13.Bd3=) 12.Bc3 Bc3 (12...Bg4 13.Be2=) 13.Qc3 Bg4 (13...Qe7 14.Bb5 Bd7 15.0–0=) 14.Qc5 Bf3 15.gf3 Qf6 16.Qc3 Qf3 17.Rg1 g6 18.Rg3 (18.Bg2 Qh5=) 18...Qh5 (18...Qh1 19.Qb2=) 19.Rh3 (19.Bh3 Rad8=) 19...Qf5 20.Rg3 Ne5 (20...Rfd8 21.d4=) 21.f4 (21.Bh3 Qe4=) 21...Nd7 (21...Nc6 22.Qb2 Rab8 23.Rg5=) 22.Bh3+= Qd5 23.Bg2 Qh5 24.Qb2 (24.Bb7 Rab8 25.Bg2 Rfc8+=) 24...Nc5 (24...Rab8 A) 25.Bb7?? Nc5 (25...Qh2?! 26.Rg5–+) 26.Qc2 Qh2–+; B) 25.Kf1=) 25.Qc2 (25.Kf1 Qf5+= (25...Qh2 26.Rh3 Qh3 27.Bh3+–)) 25...Rac8 (25...Qh2? 26.Kf2 Rfd8 27.d4+– (27.Qc5?! Rd2 28.Kf3 Qh6+–)) 26.d4 Ne6 (26...Qh2 27.Kf2 Ne6 28.Qd3=) 27.Qe2 (27.Qf2 Qf5 28.Bh3 Qb5=) 27...Qh2 28.Kf2 (28.Qf2 Rc2 29.Qc2 Qg3 30.Qf2 Qg4=) 28...Qh4+= 29.Rh1 Qf6 (29...Qe7 30.f5 Ng7 31.Qg4–/+) 30.Bb7= Nf4 (30...Rc7!? 31.Be4 Rb8=) 31.ef4+= Qd4 32.Kg2 Rb8 33.Rb3 (33.Rd1 Qf4 34.Rf1 Qd4+=) 33...Qf4 34.Rf1 Qg5 (34...Rbe8 35.Qd1 Qg5 36.Rg3+=) 35.Rg3+/– Qc5 36.Qf3 Qc7 ½–½. Mantu,Eugen (2440) – Pliquett,Stefan (1975), RSXE – Ostern, 2007.

9.Qc2 Nc6 10.Bb2 Bf6 11.Nc3 Re8 12.Bd3 g6 (12...Nc3 13.dc3 h6 14.0–0=) 13.Nd5 (13.Be4 Ncb4 14.ab4 Nb4+=) 13...Bb2 14.Qb2 Qd5 15.Be2 c4 (15...b6 16.Rc1=) 16.Qc3 Be6 17.0–0 Rac8 18.Rfd1 Red8 19.d3 Qa5 20.Qf6 (20.Qa5 Na5 21.dc4 Bc4 22.Rd8 Rd8=) 20...c3 21.Rdc1 Nb8 22.Qh4 Nd7 23.Ng5 Nf8 24.Ne6 Ne6 25.Qb4 Qe5 (25...Qc7!?+=) 26.Rc2+/– a5 (26...Rc7 27.Rac1+/–) 27.Qb7 Rb8 28.Qa6 Rdc8 (28...Rb2 29.d4 Rd4 30.ed4 (30.Rc3? Rd6 31.Qa8 Kg7–+) 30...Nd4 31.Rb2 cb2 32.Rb1 Ne2 33.Kf1+–) 29.d4 Qd5 30.Rac1 Qb3 31.Qa5 Ra8 32.Qb4 (32.Ba6 Qb8 33.d5 Nd8+/–) 32...Ra3 33.Qb3 Rb3 34.Kf1 Ng5 35.f4 Ne4 36.Bf3 Nd6 37.Kf2 (37.Ke2 Nb5+–) 37...Rb2 (37...Nb5 38.Bd5 Ra3 39.g4+/–) 38.Ke2+– Nc4 39.e4 Rc2 (39...h6 40.Kd3+–) 40.Rc2 Na3 41.Rc1 c2 42.e5 (42.d5 Kf8+–) 42...Rc4 43.Ke3 Rc3 44.Kd2 Rc4 45.Kd3 Rb4 46.Be4 (46.h3 h6+/–) 46...Kf8 (46...Rb1 47.Rc2 Nc2 48.Kc2+/–) 47.d5 (47.g4 Ke7+–) 47...Ke7 (47...f5 48.ef6 Kf7 49.g4 Kf6 50.Ke3+/–) 48.g4 White intends f5 (48.g3 f6+/–) 48...f6+/– 49.ef6 (49.e6 Kd6+/–) 49...Kf6 50.g5 (50.Ke3 Rb3 51.Kd2 Rb4 52.g5 Ke7 53.Bc2 Nc2 54.Rc2 Rf4 55.Rc7 Kd6 56.Rh7 Kd5+/–) 50...Ke7+= 51.f5 gf5 52.Bf5 Rh4 53.h3 ½–½. Mantu,Eugen (2440) – Dammer,Axel (2400), RSXE – Ostern, 2007.

9.Qc2 Nc6 10.Bb2 Bf6 11.Nc3 Re8 12.Be2 Nc3 13.dc3 (13.Bc3 b6=) 13...g6 (13...Be6 14.Bd3 h6 15.0–0=) 14.Nd2 (14.Rd1 Qe7=) 14...Qe7 (14...Bf5 15.Qb3+=) 15.Rd1 Bf5 16.Bd3 (16.Qb3 Rab8+=) 16...Bd3 17.Qd3 Ne5 18.Qe2 Rad8 (better is 18...Red8 19.0–0 Nd3+=) 19.Nc4? (better is 19.0–0+=) 19...Rd1–+ 20.Kd1 Qd7 21.Nd2 Nd3 22.Kc2 Qa4 23.Kb1 Qb5 The mate threat is Qxb2 (23...Qb5 24.Nb3 c4–+ (24...Qb3?! 25.Qd3 Rd8 26.Qc2–/+)) 0–1. Bosscher,JK – Van Manen,Gerben M, corr, 1975.

9.Nc3 Nc6 10.Nd5 Ne5 (10...Qd5 11.Bg3+=) 11.Ne7= Qe7 12.Ne5 Qe5 13.Be2 (13.d4 cd4 14.Qd4 Qg5=) 13...Bf5 14.0–0 Rad8 15.d3 Rd6 16.Qc2 b6 17.a4 Bc8 18.Rfc1 Bb7 (18...Rh6 19.g3+=) 19.a5= Rg6 20.g3 h5 (20...Rb8 21.ab6 ab6 22.Ra7=) 21.Qc4 Bd5 22.Qh4 Rh6 23.ab6 ab6 24.d4 cd4 25.Qd4 Qd4 26.ed4 h4 27.Bc4 Rd8 28.Rab1 Be4 29.Rb4 Kf8 30.Bf1 hg3 31.fg3 Rhd6 32.Rd1 Bf3 ½–½. Domenech Vallejos,JL (2095) – Vehi Bach,VM (2305), Barcelona ESP, 2013.

9.Bc4 Nb6 10.Be2 Bf6 11.0–0 Be5 12.Ne5 Qf6 13.d4 cd4 14.Qd4 Rd8 15.Qb2 Na4 16.Qb5 a6 17.Qa4 Qe5 18.Ra2 Nc6 19.Nd2 Be6 20.Nf3 Qf6 21.Raa1 Qg6 22.Qh4 Rd5 23.Rfd1 Rh5 24.Qg3 Qg3 25.hg3 Bg4 26.Nd4 Be2 27.Ne2 Kf8 28.Rd7 b5 29.Rc1 Ne7 (29...Ne5!? 30.Rdc7 Nc4=) 30.Rcc7+/– Re5 31.Nd4 Rc8?? (31...Ke8 32.Nf3 Re4 33.Ng5+/–) 32.Rc8 (better is 32.Re7 Re7 33.Rc8 Re8 34.Rc7+–) 32...Nc8+= 33.Rc7 Re8 34.Kf1 (34.Rc6 Rd8+/–) 34...g6? (better is 34...Nb6!?+=) 35.Rc6+/– Ne7 36.Ra6 Rb8 37.Nc6 (37.Ra7!? Rb6 38.Rc7+/–) 37...Nc6+= 38.Rc6 Ke7 39.Ke2 Kd7 40.Rc3 Ke6 41.Rb3 Kd5 42.Kd3 f5 43.a4 b4 44.Rb1 h5 45.a5 Kc5 46.a6 Ra8 47.Ra1 Kb5 48.a7 g5 49.f3 Rd8? (better is 49...Kb6+/–) 50.Kc2+– Ra8 51.Kb3 Kb6 52.Kb4 Ra7 (52...Kb7+–) 53.Ra7 Ka7 54.Kc5 Kb7 55.Kd6 1–0. kupovgeorge (1610) – madik, gameknot.com, 2014.

9.Bc4 Nc6 Black gets strong initiative 10.Qb3 (10.Bb2 Be6 11.Qc2 a6+=) 10...Be6–/+ (worse is 10...Ne5 11.Ne5 Be6 12.Nc3= (worse is 12.Qb7 Bf6 13.Nc6 Qd6–+)) 11.Qd3 (11.Qb2 Ne5 12.Ne5 Bf6–/+) 11...Ne5–+ 12.Ne5 Qc7 (12...Bf6 13.f4–+) 13.Nf3 (13.f4 Bf6 14.Bd5 Rad8–/+) 13...Bf6 14.Ra2 (14.Bd5 Bd5 (14...Ba1?! 15.Ng5 g6 16.Be6=) 15.Nc3 Bf3 16.gf3 Rad8–/+) 14...Rfd8 Black threatens Nb6 15.Qc2 b5! 16.Bb5 Opening the b–file gets Black a lot of play 16...Rab8 17.Bd3 (17.Be2–+) 17...Ne3! 18.Bh7 (18.fe3 h6) 18...Kh8 19.fe3 Ba2 20.Qa2 Kh7 (20...Rb2 21.Qc4 Kh7 22.0–0–/+) 21.Qc2 (21.0–0 Rb2 22.Qc4 Qe7–/+) 21...Kg8 22.0–0 Rb2 23.Qf5 (23.Qc4 Qe7–/+) 23...Qc8 24.Qe4 (24.Qh5 c4–/+) 24...Qb7 25.Qf5 Rb8 (25...Qb3!?–+) 26.Nc3–/+ Bc3 27.dc3 c4 28.Qf4 (28.Qc5 Re8 29.Qc4 Re3–+) 28...Qd5 29.e4 Qc5 30.Nd4 f6 (30...R8b7 31.a4–/+) 31.Qg4 Rb1 32.h4 (32.Qe6!? Kh7 33.Qh3 Kg6 34.a4–/+) 32...Rf1 (32...Qa3 33.Qe6 Kh8 34.Qc4–+) 33.Kf1 Qa3 34.Qe6 Kh8 (34...Kh7 35.Qf5 g6 36.Qd7 Kh6 37.Ne2–+) 35.Qf5 (35.Qc4 Qc1 36.Ke2 Rb2 37.Kf3 Qd1 38.Ne2 Qf1 39.Ke3 Qg2 40.Qc8 Kh7 41.Qf5 g6–+) 35...Qd6 (35...Qc3?! 36.Qh5 Kg8 37.Qd5 Kf8 38.Qd6 Kf7 39.Qe6 Kg6 40.Qg4 Kh7 41.Qh5 Kg8 42.Qd5 Kh7 43.Qh5 Kg8=) 36.Qh5 Kg8 37.Qe2? (37.Qg4 Qe5–+) 37...Qg3 (better is 37...Qf4!? 38.Nf3 Qc1 39.Qe1–+) 38.Qc4 Kh8 (38...Kh8 39.Qa2 Qh4–+) 0–1. Vasiljkov,M E – Preinfalk,Anton, corr, 1983.

9.Be2 Nc6

10.Bb2 Qb6 11.Qc1 Na5 12.Nc3= Nc3 13.Qc3 (13.Bc3? Nb3 14.Qc2 Na1 15.Ba1 Be6–+) 13...Bf6 14.d4 Nb3 (14...cd4 15.Nd4 Rd8 16.Qb4+=) 15.Rd1 cd4 16.Nd4 Nd4 17.ed4 Re8 18.Rd3 (18.Qb4 Bg4 19.f3 Bh4 20.Kf1 Qe6+=) 18...Bf5 19.Rd2 Rac8 20.Qf3 Qb2!! (20...Qb2 21.Rb2 Rc1 22.Kd2 Bg5 23.Qe3 Be3 24.fe3 Rh1 25.Rb7 Be4 26.Ra7 Rh2–+) 0–1. Schuehler,Ernst – Roggensack Hanspach,Peter, corr SOK–92–84, 1992.

10.Bb2 Qb6 11.Qc1 Na5 12.Nc3= Nc3 13.Qc3 (13.Bc3? Nb3 14.Qc2 Na1 15.Ba1 Be6–+) 13...Bf6 14.Ne5 (14.d4 Bg4 15.Rb1 Bf5–/+) 14...Nc6 15.f4 Re8 0–1. Khayman,Daniel (1640) – Castillo,German (1700), FICGS, 2007.

10.Bb2 Qb6 11.Qc1 Be6 12.Nc3 +=.

10.Bb2 Qb6 11.Qc1 Bf6 12.Bf6 Nf6 13.0–0 +=.

10.Bb2 Qb6 11.Bc3 Bf5 12.0–0 Rad8 13.Qc1 Rfe8 14.Ra2 Nc3 15.Nc3 a6 16.Rb2 Qc7 17.Na4 c4 18.Rb6 (18.Qc4 b5 Double attack (18...Ba3 Discovered attack; 18...b5 Decoy); 18.Bc4 b5 Double attack (18...Ba3 Discovered attack; 18...b5 Decoy)) 18...Rd5 (18...Na5 19.d4+=) 19.Nc3 (19.Qc4 Ra5 20.Nd4–/+) 19...Ra5–/+ Attacking the isolated pawn on a3 (worse is 19...Qb6 20.Nd5 Qa5 21.Ne7 Ne7 22.Qc4 (worse is 22.Bc4 Rc8–/+) 22...Qa3 23.Qf4=) 20.Qb2 Nd8 (worse is 20...Ra3 21.Bc4 Na5 22.Nd5+=; 20...Ba3?! 21.Rb7 Qd6 22.Qb6+=) 21.Rb4 ½–½. Boehnke,Hartmut (2015) – Lutzenberger,Reimund (2165), GER–ch36 V5 email, 2004.

10.Bb2 Qb6 11.Nc3 Ne3! (11...Qb2?! 12.Nd5 Bd6 13.Qb1 Qb1 14.Rb1=) 12.fe3 (12.de3 Qb2) 12...Qb2 13.0–0 Be6 14.Rb1 Qa3 15.Rb7 Rab8 (15...Rab8 16.Rb8 Rb8–/+ (16...Nb8 17.Qa1 Qa1 18.Ra1–/+)) 0–1. Boehnke,Hartmut (2095) – Wachtler,Siegmund (2265), BdF Pyramide, 2005.

10.Bb2 Bf5 11.0–0 Qb6 12.Nc3 Ne3 13.fe3 Qb2 14.Bb5 Qc2 15.Qe2 Qb3 16.Nh4 (16.Bc6 bc6 17.e4 Bg4+=) 16...Bd7+= 17.Bc4 Qb6 18.Nf5 Qd8 19.Rab1 Be6 20.Be6 fe6 21.Qc4 Qd7 22.Ne7 Qe7 (22...Ne7 23.Qc5 Qd2 24.Qe5+= (24.Rb7?? Rf1 25.Kf1 Rf8 26.Qf5 Rf5 27.Kg1 Qe1)) 23.Ne4 b6 24.d4 Na5 25.Qc3 (25.Qc3 cd4 26.ed4–/+). Paduch,Axel (2185) – Hort,Wolfgang (1715), remoteschach.de, 2003.

7.Nf3 Nc6

8.Bb2 dc4 9.Bc4 Na5 10.Be2 c5 11.0–0 Be6 12.Nc3 a6 13.a4 Qc7 14.d3 Rfd8 15.Qc2 Rac8 16.Ne4 Ne4 17.de4 Nb3 18.Rad1 c4 19.Rd8 Qd8 20.Qc3 Bf6 21.e5 Be7 22.Rd1 Qb6 (22...Qe8!?–/+) 23.Nd4= Nd4 24.ed4 Bb4 25.Qc2 g6 (25...Qa5 26.Bf3 c3 27.Bc1+= (27.Bb7? Rc7 28.Be4 cb2 29.Qb2 Qa4–+)) 26.Bc3 Bc3 27.Qc3 Qb3 28.Qf3 White intends d5 (28.Qa1 c3 29.a5 c2–/+) 28...Qf3 (28...c3 29.Rc1+=) 29.Bf3= (worse is 29.gf3 Rd8–/+) 29...b5 30.d5 Bd7 31.ab5 ab5 32.d6 b4 33.Be4 b3 34.Rb1 Ba4 35.Kf1 c3 36.Ke2 (36.g3 Rc4 37.Bd3 c2 38.Bc2 bc2–+) 36...b2 (36...c2 37.Bc2 bc2 38.Rc1–+) 37.Ke3 Rb8 38.e6 (38.d7 Bd7 39.Bc2–+) 38...fe6 (38...fe6 39.d7 Bd7–+) 0–1. Bendig,Frank (2375) – Boehme,Sebastian (2525), CiF–12.Superturnier, 2010.

8.Bb2 Re8 9.Be2 (9.cd5 Nd5 10.Bb5 Bd7+=) 9...Bf8 (9...Be6 10.Ng5+=) 10.0–0 Bf5 (10...dc4 11.Bc4 Bd6 12.d3=) 11.cd5 (11.d4 Rb8=) 11...Nd5 12.Nc3 Nb6 (12...Nc3 13.Bc3 Rb8 14.d4=) 13.d4 Qd7 (13...Na5!?=) 14.Bb5+= White is in command 14...a6 15.Ne5 Qe6 (15...Ne5 Exploits the pin 16.Bd7 Theme: Double Attack) 16.Bc6+/– bc6 17.e4 Bg6 18.f4 f5 (18...Qd6!? 19.Ng6 Qg6+/–) 19.g4+– (19.Ng6?! Qg6 20.e5 Rad8+=) 19...fe4? (better is 19...Bf7 20.gf5 Qf6+–) 20.f5 Bf5 21.gf5 (21.Rf5?! e3+–) 21...Qh6 (21...Qd6 22.f6 Re5 23.de5 Qe5 24.f7 Kh8 25.Qe2+–) 22.Ne4 (better is 22.Qb3 Re6 23.Qe6 Qe6 24.fe6+–) 22...Nd5 (22...Qe3 23.Nf2+–) 23.Qf3 (23.Qc1 Qc1 24.Rfc1 Rab8+–) 23...Qh4 24.f6 gf6 25.Nf6 Nf6 26.Qf6 Qf6 27.Rf6 Bd6 (27...Rab8 28.Bc3 c5 29.Kf2+–) 28.Kh1 (28.Kh1 Re7 29.Rf2+–; 28.Kf2 Re7+–) 1–0. Nemeth,Laszlo – Hollenstein,Walter, Cseppko op–A, 2002.

8.Bb2 Bf5 9.cd5 Qd5 10.Nc3 Qe6 11.Be2 Rad8 12.0–0 a6 13.Rc1 Rfe8 14.Na4 Nd7 15.d4 Qg6 16.Nd2 Qh6 17.Nc3 Bd6 18.g3 Nf6 19.Bf3 Qg5 20.Re1 Bg4 21.Nd5 Bf3 22.Nf6 Qf6 (worse is 22...gf6 23.Qf3 f5 24.Nc4+/–) 23.Nf3 Qf5 24.Qe2 Qe4 25.Nd2 Qd5 26.e4 Qb5 (worse is 26...Nd4 A) 27.ed5? Ne2 (27...Re2?! 28.Bd4 Rd2 29.Bc5–/+) 28.Kf1 Nc1 29.Rc1 Rd7–+; B) 27.Qe3 Ba3 28.Ba3+/–) 27.Rb1 Qe2 28.Re2 f5 29.f3 Bf8 30.Nb3 g6 31.Kf2 Rd7 32.Rc1 fe4 33.fe4 Nd8 34.Nc5 Rde7 35.Kg2 c6 36.e5 Rf7 37.Ne4 Ne6 38.a4 Rd8 39.Rc4 Rf5 40.Bc3 Be7 41.Rb2 b5 42.Rc6 Nd4 43.Ra6 Re5 44.Nf2 ba4 45.Ra4 Red5 46.Rb7 Nf5 47.Ng4 R5d7 ½–½. Degterev,Pavel (2275) – Kireev,Sergey (2310), IECG, 2009.

8.Bb2 Bf5 9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 Qd5 12.d4 b5 13.Be2 a5 Black intends b4 14.0–0 b4 15.Bb2 Be4 16.g3 Qf5 17.Nd2 Bc2 18.Qc1 Rfd8 19.Bf3 Qg6 20.d5 ba3 21.Ba3 Ba3 22.Ra3 Nb4 23.Qb2 Rab8 (worse is 23...Nd5 24.Rc1 Bf5 25.e4+–; 23...Rd5?? 24.Bd5 Nd5 25.Ra5+–) 24.Rc1 Bf5 25.e4 (worse is 25.Ra5 Nd3 26.Qc3 Nc1 27.Qc1 Qd6+=) 25...Bh3 26.Qc3 (worse is 26.Ra5 Nd3 27.Qc3 Nc1 28.Qc1 Qf6+=) 26...c6 27.Ra5 cd5 28.ed5 Re8 29.Qd4 Nc2 30.Qf4 Rb4 31.Qe5! Rbb8 (31...Re5 32.Ra8 Mate attack) 32.Rb5 Rbc8 (32...Re5?? 33.Rb8 Bc8 34.Rc8 Re8 35.Re8) 33.Qf4 h6 34.Rbb1 Qd3 35.Be4 Re4 36.Qe4 (36.Ne4 Nd4 37.Rc8 Bc8 38.Kg2 Qb1 39.Nd6=) 36...Qd2= 37.d6 Bd7 38.h4 Qc3 39.Qe7 Qc6 40.Rb2 Bh3 41.Qb7 Qd6 42.Qe4 (worse is 42.Rbc2 Rc2 43.Rc2 Qd1 44.Kh2 Qc2 45.Kh3 Qf2–/+) 42...Nd4 43.Rc8 Bc8 44.Qe8 Kh7 ½–½. Bendig,Frank (2170) – Van Tricht,Marcel (2200), WC–2010–F–00005, 2010.

8.Bb2 Bf5 9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 Qd5 12.d4 Bd6 13.Bd3 Bd3 14.Qd3 Rae8 15.0–0 Ne5 16.Ne5 Re5 17.Bb4 Rd8 18.Bd6 Qd6 19.Qc4 Rh5 20.h3 b6 21.Rfd1 Rd5 22.Qa6 Ra5 Attacking the isolated pawn on a3 23.Qb7 h6 24.Rac1 Attacks the backward pawn on c7 24...c5 25.dc5 Qd1 26.Rd1 Rd1 27.Kh2 bc5 28.Qb8 Kh7 29.Qb3 Rd7 30.Qc3 Ra6 31.Qc5 Rad6 32.g4 Rd5 33.Qc2 Kg8 34.Kg3 R5d6 35.h4 Rd2 36.Qc8 Rd8 37.Qc6 R2d6 38.Qc5 a6 39.a4 Re6 40.Qc3 Re4 41.a5 Re6 42.h5 Rdd6 43.e4 Rc6 44.Qb4 Rc8 45.Qd4 Rec6 46.Qd5 Rc5 47.Qb7 Rc3 48.f3 R3c6 49.Qd7 Rc5 50.e5 R5c6 51.Kh4 R6c7 52.Qd5 Rc5 53.Qb7 R5c6 54.f4 R8c7 55.Qa8 Rc8 56.Qa7 R8c7 57.Qd4 Rc8 58.Qd7 R6c7 59.Qd3 Rc4 60.f5 R4c6 61.Qd7 R6c7 62.Qd6 Rc6 63.Qd3 Kh8 64.Qf1 Re8 65.Qf3 Rc7 (65...Rc5 66.Qb3 Ree5 67.Qf7+/–) 66.e6 (66.Qd3!?+–) 66...fe6+/– 67.f6 Rf8 68.fg7 Kg7 69.Qd3 Rf6 70.Qa6 e5 71.Qd3 Ra7 72.Qd5 Re7 73.Qc5 Ree6 74.Qc7 Kf8 75.Qc8 ½–½. poesimannen (1935) – vipera55 (2185), gameknot.com, 2013.

8.Bc3 Ne4 9.Qc2 Bh4 (9...Be6 10.Qb2 dc4 11.Bg7 Re8 12.Be2 Rb8 13.0–0+=; 9...Bg4 10.d4 Re8 11.Bd3 Bf6 12.0–0 Bf3 13.gf3=; 9...Qd6 10.d4 Bf5 11.Bd3 Rae8 12.0–0 Qe6 13.cd5=) 10.Bd3 (better is 10.Nh4 Qh4 11.g3= Qg4 12.Be2 Qf5 13.f3=) 10...Nf2 (10...Bf2 11.Ke2 A) worse is 11...Nc3 12.dc3 dc4 (12...Bh4 13.cd5+/–) 13.Bh7+=; B) 11...f5+= 12.Rf1 d4 13.Bd4=) 11.Bh7+= Kh8 12.0–0 dc4 13.Bf5 (13.Rf2+=) 13...Nd3 14.Bc8 Rc8 15.Qa4 Be7 16.Qc4 Qd6 17.a4 Rcd8 18.Na3 Qe6 19.Qe6 fe6 20.Rfb1 Ncb4 (20...b6 21.Nb5 Rd7 22.Nfd4 Nd4 23.Nd4=) 21.Nd4 Rf6 22.Nc4 Rh6 23.Bb4 Nb4 (worse is 23...Bb4 24.Rb3 e5 25.Nf3+/–) 24.a5 c5 25.Nf3 Kg8 26.Ra3 Rh5 27.g4 Rhd5 28.h4 Kh7 29.Kf1 R5d7 30.Ke2 Rc7 31.Nce5 Bf6 32.Rc3 Rd5 33.d4 Be5 34.de5 Rc6 35.Ng5 Kg6 36.Rc4 Nd3 (worse is 36...Re5 37.Nf3 Rd5 38.e4+/–) 37.Rb7 Ne5 38.Rf4 c4 39.Ne4 (worse is 39.Ra7 c3 40.Ne4 c2 41.h5 Kh6–/+) 39...Rd8 (39...Ra5!? 40.h5 Kh6+=) 40.h5+/– Kh7 41.Ng5 Kh6 42.Nf7 (42.Ra7 Kg5 43.Re4 Rd5 44.Rg7 Kh6–+) 42...Nf7 43.Rff7 (43.Rbf7? c3 44.Rf1 Rd2 45.Kf3 c2–+) 43...g6 44.Rf6 Kg5 45.Rg6 Kh4 46.Rb1 (46.Ra7? c3 47.Re6 Re6–+) 46...Rc7 47.Rh1 Kg3 48.Rg1 Kh3 49.Rf6 c3 50.Kf3 (50.Re6?! c2 51.Rc1 Kg4 52.Rg6 Kh5+/–) 50...Kh2 51.Rc1 c2 52.h6 (52.Re6 Rd1 53.Rc2 Rc2–/+) 52...Rd1 53.h7 Rh7 54.Rc2 Kh3 55.g5 Rf1 56.Ke4 Rh4 57.Ke5 Rg1 58.g6 Rh6 59.Rc7 Rgg6 60.Rg6 Rg6 61.Ra7 Kg4 62.a6 Kf3 63.Ra8 (63.Re7 Ke3 64.Re6 Rg2+–) 63...Ke3 64.a7 Rg5 65.Ke6 Ra5 66.Kd7 Kd4 67.Kc7 Kc5 68.Kb7 Rb5 69.Ka6 (69.Ka6 Rb6 70.Ka5 Rb5 71.Ka4+–) 1–0. forsetinn (2355) – davebray (2265), gameknot.com, 2015.

8.Bc3 Ne4 9.d4 Be6 (9...Bf5 10.Qb3 dc4 11.Qb7 Qd6 12.Qb5 Be6 13.Nfd2+=; 9...dc4 10.Bc4 Bd6 11.Qc2 Bf5 12.Bd3 Re8 13.Nbd2=) 10.Qc2 f5 11.Nbd2 dc4 12.Bc4 Bc4 13.Nc4 =.

8.Bc3 Bf5 9.d4 Ne4 (9...h6 10.Qb3–/+) 10.cd5 (10.Qb3 dc4 11.Bc4 Qd6+=) 10...Qd5–/+ 11.Bd3 Bd6 (better is 11...Qe6!?–+) 12.Qc2+= Rae8 13.0–0 Re6 14.Nbd2 Nd2 (worse is 14...Nc3 15.Bf5 (worse is 15.Qc3 Bd3 16.Qd3 Rd8+=) 15...Ne2 16.Kh1+/–) 15.Nd2 (worse is 15.Bf5 A) 15...Nf1?! A1) 16.Bh7? Kh8 17.e4 Qh5 18.Kf1 Qh7–+ (18...Kh7?! 19.d5 Rg6 20.dc6 Qb5 21.Kg1–+); A2) 16.Rf1 g6 17.Be6 fe6 18.Rb1=; B) 15...Nf3 16.gf3 Qf3–/+; worse is 15.Bd2 Bd3 16.Qd3 Rfe8+=) 15...Rh6 16.f4 Bd3 17.Qd3 f5 18.Rab1 Ne7 19.a4 b6 20.Nc4 Rc8 21.Rfd1 Re6 22.Rb5 Qe4 23.Qe4 Re4 24.Be1 Re6 25.Nd6 Rd6 (25...cd6 26.Kf2=) 26.Re5= Rd7 27.Rc1 g6 28.h3 Kf7 29.Bh4 Nd5 30.g4 fg4 31.hg4 c6 32.Kf2 c5 33.f5 c4 34.Kf3 c3 35.Be1 c2 36.e4 Nf6 37.d5 gf5 38.Rf5 Kg6 39.Bh4 Rf7 40.Bf6 Rf6 41.Kf4 Rc5 42.Ke3 Rf5 43.gf5 Kf6 44.Kd4 Rc8 45.d6 h5 46.d7 Rd8 47.Rc2 Rd7 48.Ke3 Rg7 49.Rc8 Kg5 50.Kd4 h4 51.Rh8 Rc7 52.Ke5 Re7 (52...Rc5 53.Kd6 Rc1 54.Rg8 Kf6 55.Rg6 Kf7 56.Rh6+=) 53.Kd5+= Rc7 54.Rg8 Kf6?? (better is 54...Kh6+/–) 55.Rg6+– Kf7 56.e5 Rd7 57.Kc6 Rd4 58.e6 Ke7 59.Rg7 Kf6 60.Rf7 (60.Rf7 Kg5 61.e7+–; 60.Ra7?! Kf5 61.e7 Rc4 62.Kd7 Rd4 63.Ke8 Kg4+–) 1–0. forsetinn (2435) – hanzelpeter (2240), gameknot.com, 2015.

8.Nc3 Ne5 9.Ne5 d4 10.Nb5 c5 11.a4 a6 12.Na3 de3 13.de3 Qa5 14.Ke2 Ne4–+ 15.Nb1? Bf6 16.Nf3 Rd8 17.Qc2 Bf5 18.Qc1 (18.Qc1 Ba1 19.Nh4 Bg4 20.f3 Qa4 21.Na3–+). wlittle (2115) – roel (2115), net–chess.com, 2004.

8.Nc3 Ne5 9.Ne5 d4 10.ed4 Qd4 11.Nf3 Qg4 12.h3 Qg6 13.Ne5 Qf5 14.d4 Ne4 15.Qc2 Nc3 16.Qc3 Bh4 (16...c5 17.Qg3–/+) 17.Nf3 Re8 18.Be2 Bf6 19.Qd2 Qg6 20.Kf1 Bf5 21.Rd1 Rad8 22.Bd3 c5 23.g3 (23.d5 Be4+=) 23...b6 (23...Bd4 24.Bf5 Qf5 25.Kg2–+) 24.Bf5 (24.d5!?–/+) 24...Qf5 25.Qd3 Qd3 26.Rd3 Bd4 27.Kg2 Bf6 28.Rhd1 Rd3 29.Rd3 g6 30.Nd2 Rd8 31.Rd8 Bd8 32.a4 Kf8 33.Ne4 Ke7 34.f4 Kd7 35.Kf3 h6 36.Nc3 Ke6 37.Nb5 a6 38.Nc3 f6 39.g4 f5 40.gf5 Kf5 41.Nd5 g5 42.fg5 Kg5 43.Ne3 h5 44.Kg3 ½–½. forsetinn (2315) – the_caboose (2245), gameknot.com, 2014.

8.d4 dc4 9.Bc4 Ne5 10.Ne5 Nd7 11.Nd7 Bd7 12.Nd2 c5 13.0–0 Rc8 14.Qb3 b5 15.Bd5 (15.Bb5? Rb8 16.a4 a6–+) 15...c4 16.Qc3 a5 17.Rfb1 Qb6 Black plans b4 18.Qc2 Bc6 19.Bc6 Qc6 20.f4 b4 Black prepares c3 21.ab4 ab4 22.Rc1 c3 23.Nf3 Ra8 24.Ne5 Qd5 25.Rd1 Rfc8 26.Ra8 Ra8 (26...Ra8 27.Qd3 Rc8–/+) 0–1. Rooijen Van,Peter (1675) – Egorov,Vladimir (1965), SB–2011–0–00162, 2011.

8.d4 Ne4 9.Bd3 Bg4 10.Qc2 Bf3 11.gf3 Ne5 12.de5 Ng5 13.f4 dc4 14.Bc4 Nf3 15.Ke2 Nh4 16.Nc3 c6 17.Rad1 Qa5 18.Rd7 Ba3 19.Rb7 Rab8 20.Bf7 Kh8 21.Rb8 Rb8 22.Rb1 Bb4 23.Ne4 c5 24.Qc5 Qc5 25.Nc5 a5 26.Na6 Rb6 27.Nb4 ab4 28.Rd1 g6 29.Bb3 Nf5 30.e4 Ne7 31.Rd7 Nc6 32.Rd6 1–0. phildo (1815) – kimm1v1 (1915), gameknot.com, 2013.

8.d4 Ne5 9.de5 dc4 10.ef6 Bf6 11.Ra2 =.

8.d4 Be6 9.Nbd2 Ne5 10.de5 Ne4 11.cd5 Bd5 +=.

8.Bf6 Bf6 9.d4 Re8 10.Be2 dc4–/+ 11.Bc4 Nd4 12.Nd4 Qd4–+ 13.Qd4 Bd4 14.Ra2 Bf5 15.0–0 Bf6 16.Rd2 c6 17.Rfd1 Rad8 18.Rd8 Rd8 19.Rd8 Bd8 20.Nd2 b5 21.e4 bc4 22.ef5 c3 23.Nb3 c2 24.f4 Be7 25.a4 Ba3 26.Kf2 c5 27.Ke3 (27.Ke3 c4 28.Nd2–+). Shadrack – Whiterose, ChessWorld.net, 2009.

8.Bb2 Be6

9.cd5 Qd5

10.Nc3 Qa5 11.d4 A) 11...Rfe8 12.Be2 (12.Bd3 a6 13.0–0 Qh5 14.Ne2=; 12.Bb5 Qb6 13.Qb1 a6 14.Bd3=; 12.Qc2 a6 13.Bd3 Bd6 14.0–0=) 12...a6 13.0–0 Rad8 14.Qc2=; B) 11...Rad8 12.Be2 (12.Bd3 Rfe8 13.0–0 a6 14.Qc2=; 12.Qc2 a6 13.Bd3 Rfe8 14.0–0=) 12...Rfe8 13.0–0 a6 14.Qc2=; C) 11...Bd6 12.Qd2 (12.Qc2 Rad8 13.Bb5 Ne7 14.e4=; 12.Bb5 Qb6 13.Rb1 a6 14.Bd3=; 12.Bd3 Rfe8 13.0–0 Qh5 14.Nb5=) 12...a6 13.e4 Bg4 14.e5=; D) 11...Nd5 12.Qc2 Rae8 13.Bd3 f5 14.Bc4=; E) 11...Rae8 12.Be2 (12.Qc2 a6 13.Bd3 Bd6 14.0–0=; 12.Bd3 Bd6 13.0–0 Qh5 14.Nb5=) 12...Nd5 13.Qc2 f5 14.0–0=; F) 11...a6 12.Bd3 (12.Qc2 Rfe8 13.Bd3 Bd6 14.0–0=; 12.Be2 Rfe8 13.0–0 Rad8 14.Qa4+=) 12...Rfe8 13.0–0 Rad8 14.Qc2=.

10.Nc3 Qa5 11.Be2 Rad8 12.Qc2 Bf5 13.Qa4 Qb6 14.Qb5 Qb5 15.Nb5 a6 16.Nbd4 Nd4 17.Nd4 Be4 18.f3 Bg6 19.f4 c5 20.Nf3 Rfe8 21.0–0 Bd3 22.Bd3 Rd3 23.Bc3 Ne4 24.Ne5 Rd5 25.Nc4 (better is 25.Rfd1!?–/+) 25...b5–+ (25...Nc3?! 26.dc3 Rd3 27.Rac1–+) 26.Ne5 Nd2 27.Rfd1 Red8 28.Nc6 Nf3! 29.Kf2 (29.gf3 Rd1 Discovered attack) 29...Rd1 30.Ne7 Kf8 31.Nf5 g6 32.Nh6 (32.Rd1 Rd1 33.Ke2–+) 32...Nh2 33.Ke2 (33.Rd1 Rd1 34.e4 Rf1 35.Kg3 Rc1–+) 33...R8d2! 34.Bd2 Ra1 35.g4 0–1. combijack (1805) – capablancaven (1910), gameknot.com, 2011.

10.Nc3 Qc5 11.Qa4 A) 11...Qb6 12.Qb5 (12.Bb5 a6 13.Bc6 Bb3 14.Qf4+=) 12...Bb3 13.Qb6 ab6 14.Nb5=; B) 11...Qd6 12.d4 (12.Bb5 Ne5 13.Ne5 Qe5 14.0–0+=; 12.Rc1 a6 13.Ng5 Bf5 14.Nge4+=) 12...a6 13.e4 Na7 14.Qc2+=; C) 11...a6 12.Be2 (12.Qc2 Rad8 13.d4 Bf5 14.Bd3+=; 12.Rc1 Qb6 13.Qc2 Bb3 14.Qf5+=; 12.Rb1 Rfd8 13.d3 Bf5 14.Qc2+=) 12...Rfe8 13.0–0 Rad8 14.Rfc1=.

10.Nc3 Qc5 11.Qc2 A) 11...Rfe8 12.d4 Qh5 13.Be2 Bg4 14.Qb3=; B) 11...Rfd8 12.d4 (12.Be2 Bf5 13.d3 Rd7 14.0–0=; 12.d3 Qb6 13.Rb1 Bb3 14.Qd2=) 12...Qh5 13.Be2 Bg4 14.0–0=; C) 11...Rae8 12.d4 Qh5 13.Be2 Bg4 14.Qb3=; D) 11...Qb6 12.Rb1 Bb3 13.Qf5 Rad8 14.Na4=; E) 11...Rab8 12.Bd3 (12.Be2 Rfe8 13.d4 Qb6 14.0–0=; 12.d4 Qa5 13.Bb5 Nd5 14.0–0=; 12.Bb5 Ne5 13.Ne5 Qe5 14.Bd3=; 12.d3 Rfe8 13.d4 Qh5 14.Be2=) 12...Rbd8 13.Ne2 Qd6 14.Nf4=; F) 11...Bd6 12.Bd3 (12.d4 Qh5 13.Be2 Bg4 14.Qb3=) 12...a6 13.Ne2 Qc2 14.Bc2=; G) 11...Rad8 12.Be2 (12.d4 Bf5 13.Bd3 Bd3 14.Qd3=) 12...a6 13.0–0 Bf5 14.d3=.

10.Nc3 Qc5 11.d4 A) 11...Qa5 12.Qc2 (12.Bd3 Rfe8 13.0–0 Rad8 14.Bb5=; 12.Bb5 Qb6 13.Rb1 a6 14.Ba4=) 12...a6 13.Bd3 Qh5 14.Ne4=; B) 11...Qb6 12.Qd2 (12.Qc1 Na5 13.Na4 Qd6 14.Nc5=) 12...Rfe8 13.Bd3 Rad8 14.Rb1=.

10.Nc3 Qd6

11.Qa4 A) 11...Rfe8 12.Bb5 (12.d4 a6 13.Bd3 h6 14.0–0=; 12.Ng5 a6 13.Ne6 Qe6 14.Be2+=) 12...Bd7 13.Qb3 a6 14.Bc4=; B) 11...Rfd8 12.d4 (12.Be2 a6 13.Qc2 Re8 14.Ng5=; 12.Qc2 Bg4 13.d4 Qd7 14.Bd3=) 12...a6 13.Bd3 Rab8 14.Ng5=; C) 11...a6 12.Rc1 (12.Qc2 Rfd8 13.d3 Rab8 14.Be2=; 12.d4 b5 13.Qc2 b4 14.ab4+=) 12...Rad8 13.d4 Rfe8 14.Ng5=; D) 11...Rad8 12.Nb5 Qd7 13.Rc1 a6 14.Nbd4+=.

11.Rb1 A) 11...Rad8 12.Qc2 (12.d4 Bf5 13.Bd3 Bd3 14.Qd3=) 12...a6 13.d4 Bg4 14.Bd3=; B) 11...Rfe8 12.Qc2 (12.d4 Bf5 13.Bd3 Bd3 14.Qd3=) 12...Bg4 13.Nb5 Qd7 14.Ne5=; C) 11...Rfd8 12.d4 (12.Qc2 Rab8 13.Nb5 Qd7 14.Ne5=) 12...Rd7 13.Qc2 Re8 14.Bd3=; D) 11...a6 12.d4 (12.Qc2 b5 13.Rc1 b4 14.Na2=) 12...Rad8 13.Bd3 h6 14.Qc2=; E) 11...Rab8 12.d4 (12.Qc2 a6 13.d4 Rfe8 14.Bd3=) 12...Bf5 13.Bd3 Bd3 14.Qd3=; F) 11...Rac8 12.d4 (12.Qc2 Rfd8 13.d4 Na5 14.Ng5=) 12...Rfd8 13.Bd3 h6 14.0–0=; G) 11...Bf5 12.Nb5 (12.Rc1 a6 13.d4 Rfd8 14.Bc4+=; 12.d3 a6 13.Qc2 Rad8 14.Ne4+=) 12...Qd7 13.d3 Rfe8 14.Be2=.

11.d4 A) 11...Rae8 12.e4 (12.Qc2 Bg4 13.Bd3 h6 14.Rd1=; 12.Bd3 Nd5 13.Ne4 Qd7 14.Bb5=) 12...Bg4 13.d5 Ne5 14.Nb5+=; B) 11...Rad8 12.Bd3 (12.Qc2 Rfe8 13.Bd3 h6 14.0–0=) 12...h6 13.0–0 a6 14.Qc2=; C) 11...Na5 12.Bd3 (12.e4 Bb3 13.Qb1 Rfe8 14.e5=; 12.Ne5 Rfd8 13.Qa4 Qb6 14.Rb1=; 12.Ng5 Bc4 13.Bd3 c5 14.Nce4=; 12.Qa4 Qb6 13.Qb5 Nb3 14.Ra2=) 12...Nc4 13.Qe2 Nb2 14.Qb2=; D) 11...Rfd8 12.Qc2 Bg4 13.Bd3 Bf3 14.gf3=; E) 11...Rfe8 12.Qc2 (12.e4 Bg4 13.d5 Ne5 14.Nb5=; 12.Ng5 Bd5 13.Qd3 a6 14.e4=; 12.Bd3 h6 13.Qc2 Rad8 14.0–0=) 12...Rad8 13.Bd3 h6 14.0–0=.

11.Ng5 A) 11...Bf5 12.d4 (12.d3 Qd7 13.Qb3 Rae8 14.Be2=; 12.Qb3 a6 13.d3 Rad8 14.Rd1+=) 12...a6 13.e4 Bg4 14.f3=; B) 11...Bg4 12.Qb3 (12.Qc2 Qc5 13.Nge4 Qh5 14.d4=) 12...Rad8 13.d4 h6 14.Nge4=; C) 11...Rad8 12.Ne6 (12.d4 Bf5 13.Bc4 h6 14.Nf3+=) 12...Qe6 13.d3 Ne5 14.Qc2=.

10.Nc3 Qd7

11.Qa4 a6 12.Rc1 (12.d3 Rfd8 13.Qc2 Bd6 14.Be2=; 12.d4 Rfd8 13.Bd3 Bg4 14.Ne4=; 12.Be2 Rae8 13.Ng5 Bg4 14.f3+=; 12.Qc2 Bf5 13.e4 Bg4 14.Ne2+=) 12...Rfd8 13.Be2 Ne8 14.0–0 =.

11.Bb5 a6 (11...Qd6 12.d4 (12.Ng5 a6 13.Ne6 Qe6 14.Bc6=; 12.0–0 a6 13.Bc6 Qc6 14.Rc1+=; 12.Qa4 Ne5 13.Ne5 Qe5 14.0–0+=; 12.d3 a6 13.Bc6 Qc6 14.Rc1+=) 12...a6 13.Bd3= Rad8 14.Ng5=) 12.Ne5= Qd6 13.Bc6 (13.Nc6 bc6 14.Be2 Rfd8=) 13...bc6 14.d4 (14.f4 Rab8 15.Rb1 Rb6=) 14...c5+= 15.Ne2 (15.Na4 cd4 16.Qd4 Rfc8+=) 15...Rab8–/+ 16.Bc3 (16.Qc2 cd4 17.Bd4 Bd5–/+) 16...cd4 17.ed4 (17.Qd4 Rb3–/+) 17...Nd5 18.Bd2 c5 19.Nc4 Qc7 (19...Qd7 20.Ne5 Qc7 21.Rc1–/+) 20.Rc1 Bf6 (20...Qa7 21.dc5 Bc5 22.0–0–/+) 21.Na5 Rb5 22.Nb3 c4 (22...Ne3 23.Be3 Bb3 24.Qd2+=) 23.Nc5+= Bd4 (better is 23...Qc6+=) 24.Nd3? (24.Ne6 Bf2 25.Kf2 fe6 26.Ke1–+) 24...cd3 25.Rc7 de2 26.Qe2 Nc7 27.0–0 Rb2 28.Qd3 (28.Qd1 Nb5–+) 28...Nb5 0–1. Bonatti,Aldo (2020) – van Daatselaar,Jan Bart (2230), corr ICCF WSTT/3/06/4, 2006.

11.Rc1 A) 11...Rab8 12.d4 Rfd8 13.Ng5 Bg4 14.Qc2=; B) 11...Rfb8 12.d4 Nd5 13.e4 Nc3 14.Rc3+=; C) 11...Qd6 12.Qc2 (12.d4 Rad8 13.Bd3 h6 14.Qc2=; 12.Ng5 Bf5 13.d4 a6 14.d5=) 12...a6 13.d4 Rfe8 14.Ng5=; D) 11...a6 12.d4 Nd5 13.e4 Nc3 14.Rc3+=; E) 11...Rad8 12.d4 (12.Bb5 Qd6 13.d3 Na5 14.Nd4+=) 12...Bd6 13.Nb5 Rfe8 14.Nd6=.

11.Qc2 Bf5 12.e4 (12.d3 Rfe8 13.Rd1 Rad8 14.Be2=) 12...Bg4 13.Ne2 Bf3 14.gf3 =.

11.d4 A) 11...Nd5 12.Qc2 (12.Bd3 Rae8 13.Qc2 f5 14.0–0=; 12.e4 Nc3 13.Bc3 Bf6 14.Qd3=) 12...a6 13.e4 Nc3 14.Bc3+=; B) 11...Rfe8 12.Bb5 (12.Ne5 Ne5 13.de5 Ng4 14.Qd7=; 12.e4 Rad8 13.Bb5 a6 14.Ne5=) 12...a6 13.Ne5 Qd6 14.Bc6=; C) 11...Rfd8 12.Bb5 (12.Bd3 Bg4 13.0–0 a6 14.h3=; 12.Be2 Rab8 13.Ng5 Bf5 14.Qb3=; 12.Rb1 Bf5 13.Bd3 Bd3 14.Qd3=; 12.Ng5 Rab8 13.Ne6 Qe6 14.Be2=) 12...Rab8 13.Qc2 Bd6 14.e4=; D) 11...Rab8 12.e4 (12.Bb5 a6 13.Ne5 Qd6 14.Bc6+=; 12.Ne5 Ne5 13.de5 Nd5 14.Bc4+=; 12.Bd3 Bg4 13.0–0 Rfd8 14.h3=) 12...Rfe8 13.Bb5 a6 14.Bc6=; E) 11...Qe8 12.Bd3 (12.Qc2 Rd8 13.Ng5 Bg4 14.d5=) 12...Bg4 13.Qc2 Bf3 14.gf3=; F) 11...Rfc8 12.Bb5 (12.Bd3 Re8 13.Bb5 a6 14.Ne5=) 12...a6 13.Ne5 Qd6 14.Bc6=; G) 11...a6 12.Bd3 Rad8 13.Qc2 h6 14.0–0=.

11.Be2 A) 11...a6 12.d4 (12.0–0 b5 13.Qc2 Rfd8 14.Rac1=) 12...Rad8 13.0–0 b5 14.Qc2=; B) 11...Rab8 12.0–0 (12.d4 Rbd8 13.Bb5 Qd6 14.Ng5=) 12...a5 13.Bb5 Bg4 14.d4=; C) 11...Rfe8 12.d4 Rad8 13.Ng5 Bg4 14.Qb3=; D) 11...Qd6 12.d4 (12.Qc2 a6 13.Ng5 Rad8 14.d4=; 12.Nb5 Qd8 13.0–0 a6 14.Nbd4=; 12.0–0 Rad8 13.d4 a6 14.Ng5=; 12.d3 a6 13.0–0 Rad8 14.Qc2=) 12...Rad8 13.Qc2 Rd7 14.Ng5=; E) 11...Rfd8 12.d4 (12.0–0 Re8 13.Bb5 Qd6 14.d3=; 12.Rc1 a6 13.d4 Bd6 14.Bd3=) 12...Rac8 13.Bb5 Rb8 14.Qc2=; F) 11...Rfb8 12.d4 Nd5 13.Qc2 Nc3 14.Bc3=; G) 11...Rad8 12.0–0 (12.d4 Rfe8 13.Ng5 Bg4 14.Qb3=) 12...a6 13.d3 Bf5 14.Qb3=.

8.Bc3 Be6

9.Qb3 Rb8 (9...Qd7 10.d4 dc4 11.Bc4 Bc4 12.Qc4 Nd5 13.0–0=; 9...Qc8 10.d4 Rd8 11.Nbd2 a5 12.Bd3 dc4 13.Nc4=) 10.d4 Re8 11.Bd3 dc4 12.Bc4 Nd5 13.Nbd2 –/+.

9.Qc2 dc4 (9...Re8 10.Ng5 Bg4 11.h3 Bc8 12.Bd3 g6 13.0–0=; 9...Rc8 10.Bb2 Bg4 11.Be2 dc4 12.Bc4 Na5 13.Ng5=) 10.Ng5 Qd5 11.Bf6 Bf5 12.Nc3 Qd7 13.Nge4 +=.

9.cd5 Qd5 10.d4 Rfd8 11.Bd3 Bf5 12.Bf5 Qf5 13.0–0 Nd5 14.Re1 Qg4 15.Bb2 Rd6 16.h3 Qd7 17.Nc3 Nc3 18.Bc3 Rd8 19.Qc2 Rg6 20.Kh1 Rf6 21.Nh4 Qe6 22.Rad1 Qc4 23.d5 Ne5 24.e4 Ba3 25.Nf5 Bb4 26.Re3 g6 27.Nh6 Kf8 28.f3 c5 29.Qc1 Bc3 30.Rc3 Qe2 31.Rc5 Nd3 32.Rd3 Qd3 33.Ng4 Rb6 34.Qf4 (34.Qf4 Qd4 35.Rc7+–) 1–0. forsetinn (2350) – vipodb (2195), gameknot.com, 2015.

9.cd5 Qd5 10.d4 Ne4 11.Bd3 f5 12.0–0 Rad8 13.Nfd2 Rf6 14.Bb2 Rh6 (14...Nd2 15.Nd2 Rh6 16.Qc2=) 15.Qc2 (15.Be4 Qb5 (15...fe4?! 16.Nc3 Qg5 17.Re1–/+) 16.Bf5 Qf5= (worse is 16...Qb2 17.Be6 Re6 18.Qb3 Qb3 19.Nb3+/–; 16...Bf5?! 17.Qb3 Qb3 18.Nb3=)) 15...Nd2 16.Nd2 (worse is 16.Qd2 Na5 17.Bc2 Bd6–/+) 16...Bd6 17.h3 Na5 18.Rfe1 c5? (18...Kh8!?=) 19.e4+/– fe4 20.Be4 (worse is 20.Re4 c4 21.Nc4 Rc8=) 20...Qg5 21.Bh7 Rh7 22.Re6 cd4 23.Ne4 Qd5 24.Rd6 Rd6 25.Nd6 Qd6 26.Qf5 (26.Qc8 Qf8 27.Qd7 Nc6 28.Bd4 g6 29.Qe6 Qf7+–) 26...Nc6 27.Re1 Ne7 28.Qb5 Nc6 29.Qb3 Kf8 30.a4 a5 31.Qf3 Qf6 32.Ba3 Nb4 33.Qb7 Qd8 34.Bb4 ab4 35.Qb4 Kg8 36.Qb5 Kf7 37.Qf5 Kg8 38.Qg6 Rh4 39.Re8 Qe8 40.Qe8 Kh7 41.a5 d3 42.Qd8 Ra4 43.Qd3 Kh8 44.a6 Ra2 45.Qc4 (45.Qd8 Kh7 46.Qh4 Kg6 47.Qe4 Kf6 48.Qc6 Ke7 49.Qc5 Ke8 50.Qe5 Kf8 51.Qd6 Kf7 52.Qd5 Kg6 53.Qa2 Kf5 54.Qd5 Kg6 55.a7 Kh6 56.a8Q g5 57.Qe6 Kh5 58.Qh8) 45...Ra1 46.Kh2 Kh7 47.Qb5 Kh6 48.a7! Ra7 49.Qb6 Kg5 50.Qa7 Kg6 51.g4 1–0. forsetinn (2470) – glennobrien (1985), gameknot.com, 2016.

9.cd5 Qd5 10.d4 Bf5 11.Nbd2 +=.

9.cd5 Qd5 10.d4 Bf5 11.Bd3 Rfe8 12.Bf5 Qf5 13.0–0 Bd6 14.Nbd2 b5 15.Re1 Rab8 16.Bb2 Na5 17.Rc1 Nc4 Exerts pressure on the isolated pawn 18.Nc4 bc4 19.Ba1 Ba3 20.Rc4 Bb4 21.Bc3 Bd6 22.Qa4 Nd5 23.Bd2 (23.Qa7? Qd3 24.Ne5 Be5–+) 23...Nb6 24.Qc2 Qb5 25.Rc6 Re6 26.g3 Rf6 27.Kg2 Qh5 28.Nh4 Bg3 29.Rf6 (29.Kg3? Qg5 30.Kh3 h5–+) 29...Qh4 30.Rf3 (30.fg3?! Qf6 31.Qc7 Rc8 32.Qa7 h6+=) 30...Bd6 31.Qf5 Qe7 32.e4 g6 33.Qf6 Qf6 34.Rf6 Nd7 35.Rf3 c5 36.e5 Bc7 37.Bf4 Rb7 (37...cd4?? 38.e6 fe6 39.Bc7+–) 38.Bh6 Rb6 39.e6! fe6 (39...Re6 40.Re6 Combination; 39...fe6 40.dc5 Passed pawn) 40.Ra1 g5 (40...a6 41.dc5 Rb8 42.Ra6 Ne5+–) 41.dc5 g4 42.Rf4 (42.cb6?! gf3 43.Kf3 Bb6 44.Rg1 Kf7 45.Rg7 Ke8 46.Rh7 Ne5 47.Ke2 Nf7+–) 42...Bf4 43.cb6 (43.Bf4?! Nc5 44.Be3 Rb5 45.Ra7 Nb7=) 43...ab6 44.Bf4 h5 (44...Nf6 45.Ra7 h5 46.Kg3 Ne4 47.Kh4 Nf2 48.Bh6+–) 45.Ra8 Kf7 46.Ra7 Ke8 47.Kg3 Nf6 (47...b5 48.Rb7+–) 48.Bg5 Nd5 49.Kh4 b5 50.Rb7 Nc3 51.Kh5 Nd1 (51...Kf8 52.Kg4 Nd1 53.Rb5+–) 52.Rb8 Kf7 53.Rb5 Nf2 (53...Nc3 54.Rb7 Ke8 55.Kg4+–) 54.Rb7 Ke8 55.Re7 (55.Re7 Kf8 56.Re6+–) 1–0. forsetinn (2355) – condoru (2055), gameknot.com, 2015.

7.Nf3 Nbd7

8.Nc3 Ne5–/+ 9.Ne5 d4 10.ed4 Qd4 11.Qe2 Bd6 12.Nf3 Qg4 13.h3 Qh5 14.Qd3 Re8 15.Be2 Bf5 16.Qd4 Rad8 17.0–0? Bh2?? 18.Nh2=+ Rd4 19.Bh5 Nh5 20.g4 (20.g4 Bd3 21.gh5 Bf1 22.Nf1 Rc4 23.Rb1=). markmooney – hooks, ChessWorld.net, 2005.

8.d4 c6 9.Bg3 Ne4. Pietrzak,Wojciech – Gilles,Robert, IECG, 2000.

8.d4 Ne5 9.de5 Ng4 10.cd5 +=.

8.Bg3 Nb6 9.cd5 Nfd5 10.Qc2 Bd7 11.Ne5 Ba4 12.Qb2 h5 13.h4 Re8 14.Be2 Bd6 15.f4 (15.Bh5?? Be5 16.Be5 Nc4–+) 15...f6 16.Nd3 Qe7 17.Nc3 Nc3 18.Qc3 Qf7 19.0–0 Bc6 20.Rf2 Rad8 21.Bh2 Be4 22.Ne1 c5 23.a4 Bf5 24.Rc1 Nd5 (24...Na4!? 25.Qa5 Nb6–/+) 25.Qb3 g6 26.Bc4 Be6 27.Qb2 Nb4 28.Bb5 Re7 29.f5 Bh2 30.Kh2 Bf5 31.Rc5 Re4 32.Kg1 b6 (worse is 32...Rh4 33.Nf3 Rg4 34.Nd4=) 33.Rcf5 gf5 34.Rf5 Rd5 (34...Rh4? 35.Nf3 Rg4 36.Ne5+–) 35.Rf3 Rh4 36.Rf6 Qg7 37.Be8 Rd2 38.Qb3 Nd5 39.Rg6 Rb4 40.Rg7 Kg7 41.Qa3 Rb1 42.Bh5 Re1 Attacks the isolani on e3 43.Kh2 Ne3 (43...Re3 44.Qd6 Rd4 45.Qg6 Kh8 46.Bg4+–) 44.Qc3 Kg8 45.Qc8 Kg7 46.Qc7 Kf6 (better is 46...Kh6!? 47.Bf3 Nf1 48.Kh3 Re3+/–) 47.Qf4+– Ke6 48.Bg4 Ke7 (48...Kd5 49.Bf3 Ke6+–) 49.Qe5+– Kf8 50.Qb8 Kf7 51.Qa7 Kf8 52.Qb8 Kg7 53.Qc7 Kf8 54.Qf4 Kg7 55.Bf3 Nf1 56.Kh3 Re3? (56...Re6 57.Qg5 Kh8+–) 57.Qc7+– Kf6 58.Qb6 Re6 59.Qb4 Rd7? (59...Kg7 60.Qc3 Kf8+–) 60.Qb2 Ke7 61.Qg7 Kd6 62.Qf8 Ke5 63.Qh8 Kd6 64.Bg4 Re3 65.Kh4 Re4 66.Qh6 Kc5 67.Qf8 Kc6 68.Qf1 (68.Qc8 Rc7 69.Qa8 Rb7+–) 68...Ra4 69.Qf3 Rd5 70.Kh3 Kc5 71.Qf8 Rd6 72.Bf3 Raa6 (72...Ra3 73.g4 Re3 74.Qf5 Kb6 75.g5+–) 73.g4 Rab6 (73...Kd4 74.g5 Ke5 75.Kg3+–) 74.g5 (74.g5 Kd4 75.Qf4 Kc5 76.Be4 Rb3 77.Kg4+–) 1–0. forsetinn (2360) – didaktikm123 (2110), gameknot.com, 2015.

8.Bb2 Nc5

9.d4 Nce4

10.Nbd2 Rb8 A) 11.Be2 Bf5 (11...dc4 12.Ne4 Ne4 13.Bc4 Qd6=; 11...Nd2 12.Qd2 dc4 13.Bc4 b5=; 11...Be6 12.Ne4 de4 13.Ne5 Bd6=; 11...Bg4 12.0–0 Nd2 13.Nd2 Be2=) 12.0–0 dc4 13.Ne4 Be4=; B) 11.cd5 Bf5 (11...Qd5 12.Bc4 Qd6 13.Bd3 Nd2=) 12.Qb3 Nd5 13.Ne4 Be4=; C) 11.Ne4 de4 (11...Ne4 12.Bd3 Bg4 13.Qc2 Bf3=) 12.Ne5 Nd7 13.Nd7 Bd7=; D) 11.Rc1 c6 (11...Ng4 12.Ne4 de4 13.Nd2 Bf5=; 11...Bg4 12.cd5 Nd2 13.Qd2 Bf3=; 11...Bf5 12.cd5 Nd5 13.Ne4 Be4=; 11...Nd2 12.Qd2 Bf5 13.cd5 Nd5=) 12.cd5 cd5 13.Be2 Bf5=; E) 11.Qc2 Bf5 (11...c6 12.Bd3 Bf5 13.0–0 Nd2=) 12.Bd3 Nd2 13.Qd2 Be4=; F) 11.Bd3 Re8 (11...Bf5 12.Ne5 Nd2 13.Qd2 Bd3=; 11...Be6 12.0–0 Re8 13.cd5 Bd5=; 11...Nd2 12.Nd2 Re8 13.0–0 Be6=; 11...Bg4 12.Qc2 Nd2 13.Nd2 c6=) 12.cd5 Nd2 13.Qd2 Qd5=.

10.Nbd2 dc4 A) 11.Bc4 Nd2 (11...Nd6 12.Bd3 Bd7 13.Ne5 Bb5=; 11...Bf5 12.Ne4 Be4 13.0–0 Rb8=; 11...c6 12.Ne4 Ne4 13.0–0 Bd6=; 11...Be6 12.Be6 fe6 13.Ne4 Ne4=) 12.Qd2 Be6 13.Be6 fe6=; B) 11.Ne4 Ne4 12.Bc4 c6 13.0–0 Bg4=.

10.Nbd2 c6 A) 11.cd5 cd5 (11...Nd2 12.Nd2 Qd5 13.Qb3 Qd8=; 11...Qd5 12.Bc4 Qf5 13.Ne4 Ne4=) 12.Be2 Bf5 13.0–0 Rc8+=; B) 11.Bd3 Bf5 (11...Bg4 12.Qc2 Bf3 13.Nf3 Qa5=; 11...Re8 12.0–0 Bf5 13.Ne5 Nd2=) 12.Qb3 Nd2 13.Nd2 Bd3=; C) 11.Be2 dc4 (11...Be6 12.0–0 dc4 13.Nc4 Bd5=; 11...Re8 12.0–0 Bg4 13.Ne4 Ne4=; 11...Bf5 12.0–0 Re8 13.Ne4 Be4=; 11...Bg4 12.0–0 Nd2 13.Nd2 Be2=) 12.Bc4 Nd2 13.Nd2 Be6=.

10.Nbd2 Be6 A) 11.cd5 Bd5 (11...Qd5 12.Bc4 Qf5 13.Rc1 Bc4=) 12.Bd3 Nd2 13.Qd2 Re8=; B) 11.Qc2 Bf5 (11...c5 12.dc5 Qa5 13.Nd4 Nc5=; 11...Nd2 12.Nd2 Re8 13.Bd3 dc4=; 11...Qd6 12.c5 Qc6 13.Ne4 Ne4=; 11...Re8 12.Bd3 Nd2 13.Nd2 dc4=) 12.Bd3 Nd2 13.Qd2 Be4=; C) 11.Ne4 de4 12.Ne5 c6 13.Bc3 Ne8+=; D) 11.Be2 dc4 (11...Re8 12.Ne4 Ne4 13.Bd3 Bg4=; 11...c6 12.0–0 dc4 13.Bc4 Nd2=; 11...Nd2 12.Nd2 dc4 13.Nc4 Re8=; 11...c5 12.dc5 Bc5 13.0–0 dc4=) 12.Nc4 Re8 13.0–0 Bd5=; E) 11.Rc1 Rc8 (11...Ng4 12.Ne4 de4 13.Nd2 Nf6=; 11...Nd2 12.Nd2 Re8 13.Bd3 dc4=; 11...c6 12.Bd3 Bf5 13.Qc2 Re8=; 11...Re8 12.Bd3 Rc8 13.0–0 c5=) 12.Bd3 c5 13.cd5 Qd5=; F) 11.Bd3 c5 12.cd5 Bd5 13.0–0 Rc8=.

10.Nbd2 Re8 A) 11.Ne4 de4 (11...Ne4 12.Bd3 Bg4 13.Qc2 c6=) 12.Ne5 Nd7 13.Nd7 Bd7=; B) 11.Be2 Nd2 (11...Be6 12.Ne4 Ne4 13.Bd3 Nf6=; 11...Bg4 12.Ne4 Ne4 13.0–0 c6=; 11...dc4 12.Ne4 Ne4 13.Bc4 Bf5=; 11...Bf5 12.0–0 Nd2 13.Nd2 c6=) 12.Nd2 Be6 13.0–0 dc4=; C) 11.Bd3 Bf5 (11...c6 12.0–0 Bf5 13.Ne5 Nd2=; 11...Nd2 12.Nd2 dc4 13.Bc4 c6=; 11...a6 12.Qc2 Bf5 13.Ne5 Nd2=; 11...Be6 12.0–0 Nd2 13.Nd2 dc4=) 12.Ne5 Nd7 13.Qf3 Ne5+=; D) 11.cd5 Nd2 (11...Qd5 12.Bc4 Qa5 13.Ne5 Nd6=) 12.Nd2 Qd5 13.Qb3 Be6=.

10.Nbd2 Bf5 A) 11.Qb3 a5 (11...a6 12.cd5 Rb8 13.Bd3 Nd2=; 11...c6 12.cd5 Nd5 13.Ne4 Be4=; 11...Rb8 12.cd5 Nd5 13.Ne4 Be4=; 11...Nd2 12.Nd2 c6 13.cd5 cd5=) 12.Bd3 Nd2 13.Nd2 Bd3+=; B) 11.Be2 dc4 (11...a6 12.0–0 dc4 13.Ne4 Be4=; 11...Nd2 12.Nd2 dc4 13.Nc4 Qd5=; 11...Re8 12.0–0 Nd2 13.Qd2 c6=; 11...Rb8 12.0–0 Re8 13.Ne4 Be4=) 12.Ne4 Be4 13.Bc4 Qd6=; C) 11.Ne4 de4 (11...Ne4 12.Bd3 dc4 13.Bc4 c5=; 11...Be4 12.Bd3 dc4 13.Bc4 Qd6=) 12.Ne5 c6 13.Qa4 Nd7+=; D) 11.cd5 Qd5 (11...a6 12.Qb3 Nd5 13.Ne4 Be4=; 11...Nd5 12.Ne4 Be4 13.Bd3 Bd3=; 11...a5 12.Rc1 a4 13.Bc4 Nd6=; 11...Rb8 12.Rc1 Re8 13.Ne5 Nd2=) 12.Bc4 Qa5 13.0–0 Rad8=.

10.Nbd2 Bg4 11.cd5 Nd2 12.Qd2 Qd5 13.Be2 Rac8 (13...Rfc8 14.0–0+=) 14.0–0 c5 15.h3 Ne4 16.Qa5 Bh5 (16...Be6 17.dc5 (17.Qa7 Qb3 18.Rfb1 Ra8–+) 17...Qc5 18.Qc5 Nc5 19.Rac1+=) 17.Rfe1 (17.g4!? Bg6 18.Ne5= (18.Qa7?? Qb3 19.Rfb1 Ra8–+)) 17...Bd8+= 18.Qa7 (18.Qb5 a6 19.Qc4 Qc4 20.Bc4 cd4–/+) 18...c4–/+ 19.Rac1? (19.Rab1 Ba5 20.Rec1–+) 19...Ba5–+ 20.Bc4 (20.g4 c3 21.Bc3 Nc3 22.Bd3–+) 20...Rc4 21.Rc4 (21.Rf1 Bf3 22.gf3 Nd2–+) 21...Be1 22.Rc7 (22.Ne1 Qc4 23.Qb7–+) 22...Bf2 23.Kh1 Ng3 0–1. roy1nc6 (1920) – bollewillem (2265), gameknot.com, 2014.

10.Bd3 dc4 11.Bc4 b5 (11...Be6 12.Be6 fe6 13.Nc3= Nc3=; 11...a6 12.0–0 Bg4 13.Qc2 Bf3=; 11...Bg4 12.0–0 c6 13.Qc2 Bf3=; 11...Rb8 12.0–0 Bg4 13.Qc2 Bf3=; 11...c6 12.Nbd2 Nd2 13.Nd2 Be6=) 12.Be2 (12.Bb5 Rb8 13.Qe2 c5=) 12...Bb7 (12...a6 13.0–0= Re8=) 13.0–0 (13.Bb5 Rb8 14.Qe2 c6+=) 13...a6 14.Nc3 Rc8 15.Ne4 Ne4 16.Rc1 (16.a4 b4=) 16...Qd5+= 17.Re1 (17.Qd3 Rfd8+=) 17...Qa2 Attacks the isolani on a3 18.Rc2 Ba3 19.Ba3 Qa3 20.Qc1 Qe7 21.Nd2 Nd2 22.Qd2 c5 23.dc5 Rc5 24.Rec1 Rg5 25.f3 Rd5 26.Bd3 Qd6 (26...Rfd8 27.Rc7 Rd3 28.Qd3 Qc7 29.Rc7 Rd3 30.Rb7–+) 27.Rd1–/+ Rd8 (27...Rd8 28.Rc3 b4–+) 0–1. marcosaa – aspasio, net–chess.com, 2012.

10.Bd3 c5 11.Qc2 Bg4 (11...Be6 12.0–0 Rc8 13.Rd1 b5=; 11...cd4 12.Bd4 Nc5 13.Bc5 Bc5=; 11...Qa5 12.Nbd2 Bf5 13.Bc3 Qc3=; 11...Re8 12.cd5 Qd5 13.Bc4 Qh5=) 12.0–0 Rc8 13.Ne5 Be6 =.

10.Bd3 c6 A) 11.0–0 dc4 (11...Bg4 12.Qc2 Bf3 13.gf3 Ng5=; 11...Bf5 12.Ne5 dc4 13.Nc4 Nd6=) 12.Bc4 Bg4 13.Qc2 Bf3=; B) 11.cd5 Qb6 (11...Qd5 12.Nc3 Nc3 13.Bc3 Bg4=) 12.Qe2 cd5 13.0–0 Bg4+=; C) 11.Qc2 b5 (11...Re8 12.0–0 Bd6 13.Nc3 Qe7=; 11...Be6 12.0–0 Rb8 13.Ne5 Nd7=; 11...Bd6 12.0–0 Re8 13.Nc3 Qe7=; 11...Bf5 12.Nc3 Re8 13.0–0 dc4=) 12.cb5 cb5 13.Nc3 Nc3=.

10.Bd3 Be6 11.Qc2 c5 (11...c6 12.0–0 Rb8 13.Ne5 Nd7=; 11...Rc8 12.c5 b6 13.c6 a5=; 11...Re8 12.0–0 Rc8 13.c5 b6=; 11...a6 12.0–0 Re8 13.Rc1 Rc8=) 12.0–0 Rc8 13.Rd1 b5=.

10.Bd3 Re8 A) 11.Qc2 dc4 (11...c6 12.0–0 Bd6 13.Nc3 Qe7=; 11...Be6 12.0–0 Rc8 13.c5 b6=) 12.Bc4 Bd6 13.Nc3 Nc3=; B) 11.Ne5 Be6 (11...dc4 12.Bc4 Nd6 13.Bd3 Bf5=; 11...c6 12.0–0 dc4 13.Bc4 Nd6=) 12.cd5 Qd5 13.0–0 Rad8=; C) 11.Nc3 Nc3 (11...c6 12.Qc2 Nc3 13.Bc3 dc4=; 11...Bf5 12.0–0 dc4 13.Bc4 Nd6=; 11...Be6 12.Nd5 Bd5 13.cd5 Qd5=; 11...Bg4 12.Nd5 Nd5 13.Be4 Ne3=) 12.Bc3 Be6 13.Ng5 Bg4=; D) 11.0–0 Bg4 (11...dc4 12.Bc4 Nd6 13.Bd3 Bf5=; 11...Be6 12.Qc2 Rc8 13.c5 b6=; 11...c6 12.Ne5 dc4 13.Bc4 Nd6=; 11...Rb8 12.cd5 Qd5 13.Ne5 Be6=) 12.Qc2 Bf3 13.gf3 Ng5=; E) 11.Qb3 Be6 (11...dc4 12.Bc4 Nd6 13.Bd3 Be6=; 11...Bf5 12.cd5 Nd5 13.0–0 Bd6=) 12.Qc2 c5 13.0–0 Rc8+=; F) 11.cd5 Qd5 12.Qc2 Be6 13.Nc3 Nc3=.

10.Bd3 Bf5 A) 11.cd5 Qd5 12.0–0 Bg4 13.h3 Bh5=; B) 11.Ne5 dc4 (11...Be6 12.cd5 Qd5 13.0–0 Rfe8=; 11...c6 12.f3 Qa5 13.Nd2 Nd2=; 11...Re8 12.f3 Nd6 13.c5 Bc8+/–; 11...c5 12.cd5 cd4 13.Bd4 Qa5=) 12.Nc4 Qd5 13.0–0 Nd6=; C) 11.Nc3 dc4 (11...Re8 12.0–0 dc4 13.Bc4 a6=; 11...c6 12.0–0 Bg4 13.Qc2 Bf3=; 11...Nc3 12.Bc3 Be4 13.0–0 dc4=) 12.Bc4 Nc3 13.Bc3 Nd5=; D) 11.c5 Re8 (11...Ng4 12.0–0 b6 13.Qc2 Rb8=; 11...Qc8 12.0–0 b6 13.Qc2 bc5=; 11...c6 12.0–0 Re8 13.Ne5 Nd7=; 11...b6 12.Ne5 Nd7 13.Nc6 Qe8=) 12.Ne5 Nd7 13.c6 Ne5=; E) 11.0–0 Bg4 (11...c6 12.Ne5 dc4 13.Nc4 Be6=; 11...dc4 12.Bc4 Re8 13.Nc3 a6=; 11...Re8 12.cd5 Qd5 13.Ne5 Be6=; 11...Be6 12.Qc2 Re8 13.Rc1 c6=) 12.Qc2 Bf3 13.gf3 Ng5=.

10.Bd3 Bg4 A) 11.0–0 dc4 (11...Re8 12.Qc2 Bf3 13.gf3 Ng5=; 11...Rc8 12.Qc2 c5 13.Ne5 Be6=; 11...c6 12.Qc2 Bf3 13.gf3 Ng5=; 11...a6 12.Qc2 Bf3 13.gf3 Ng5=) 12.Bc4 c6 13.Qc2 Bf3=; B) 11.Nbd2 Nd2 (11...c6 12.Qc2 Bf3 13.Nf3 Qa5=; 11...c5 12.Qc2 Bf3 13.Nf3 Qa5=) 12.Qd2 dc4 13.Bc4 Bf3=; C) 11.Qb3 dc4 (11...Be6 12.0–0 dc4 13.Bc4 Bc4=; 11...Bf3 12.gf3 dc4 13.Qc4 Nd6=) 12.Qc4 Rc8 13.Qc2 Bf3=; D) 11.Qc2 c5 (11...Re8 12.Ne5 Be6 13.cd5 Qd5=; 11...Be6 12.0–0 Re8 13.Rc1 c6=; 11...Bf3 12.gf3 Ng5 13.Nd2 c6=) 12.Ne5 Be6 13.f3 cd4=.

10.Be2 a6 A) 11.Nbd2 Bf5 (11...dc4 12.Ne4 Ne4 13.Bc4 Bd6=; 11...Nd2 12.Qd2 dc4 13.Bc4 b5=; 11...Re8 12.Ne4 de4 13.Ne5 Nd7=; 11...Be6 12.Ne4 de4 13.Ne5 Ne8=) 12.0–0 dc4 13.Ne4 Be4=; B) 11.cd5 Re8 (11...Bf5 12.0–0 Nd5 13.Bd3 Bd6=; 11...Qd5 12.0–0 Be6 13.Ne5 Nd7=; 11...b5 12.Ne5 Qd5 13.Bf3 c5=; 11...Nd5 12.Qc2 f5 13.0–0 Be6=) 12.Qc2 Qd5 13.Qc7 Bd8=; C) 11.Nc3 Nc3 (11...dc4 12.Ne4 Ne4 13.Bc4 Bd6=; 11...Bf5 12.0–0 Re8 13.Ne5 Nc3=; 11...Be6 12.Ne4 de4 13.Ne5 Ne8=; 11...Bg4 12.Ne4 Ne4 13.Qc2 c6=) 12.Bc3 dc4 13.Bc4 b5=; D) 11.c5 b6 (11...Re8 12.0–0 b6 13.cb6 cb6=; 11...Bg4 12.0–0 b6 13.cb6 cb6+=; 11...Be6 12.0–0 Re8 13.Ne5 Nd7=; 11...Rb8 12.0–0 Re8 13.Ne5 Nd7=) 12.cb6 cb6 13.0–0 Bg4+=; E) 11.Ne5 dc4 (11...Be6 12.cd5 Qd5 13.0–0 Nd7=; 11...Re8 12.0–0 Be6 13.cd5 Nd5=; 11...Bf5 12.0–0 dc4 13.Bc4 Nd7=) 12.Bc4 b5 13.Bd3 c5=; F) 11.0–0 Be6 (11...dc4 12.Bc4 Bg4 13.Qc2 Bf3=; 11...Re8 12.Nbd2 dc4 13.Ne4 Ne4=; 11...Bf5 12.Ne5 dc4 13.Bc4 Nd7=; 11...Bg4 12.cd5 Qd5 13.Ne5 Be2=) 12.Qc2 dc4 13.Bc4 Bc4=.

10.Be2 dc4 11.Bc4 Bg4 (11...Be6 12.Be6 fe6 13.Qb3 Qd5=; 11...a6 12.0–0 b5 13.Bd3 Re8=; 11...Re8 12.0–0 Nd6 13.Bd3 Bf5=; 11...c6 12.Qc2 Bf5 13.Bd3 Qa5=) 12.0–0 c6 13.Qc2 Bf3=.

10.Be2 c6 A) 11.0–0 dc4 (11...Be6 12.c5 Re8 13.Qc2 Bf5=; 11...Bf5 12.Nc3 Re8 13.Ne4 Ne4=; 11...Re8 12.Nc3 Bg4 13.Ne4 Ne4=; 11...Bg4 12.Nbd2 Re8 13.Ne4 Ne4=) 12.Bc4 Bg4 13.Qc2 Bf3=; B) 11.cd5 Qb6 (11...Nd5 12.Qc2 Bf5 13.Bd3 Re8=; 11...cd5 12.Qb3 Bf5 13.Nc3 a6=; 11...Qd5 12.0–0 Be6 13.Nc3 Nc3=; 11...Qa5 12.Nbd2 cd5 13.0–0 Bf5=) 12.Nc3 Nd5 13.Qc2 Qa5+=; C) 11.Nbd2 dc4 (11...Be6 12.0–0 Nd2 13.Nd2 Re8=; 11...Nd2 12.Nd2 dc4 13.Bc4 Be6=; 11...Qb6 12.Ra2 Nd2 13.Nd2 Bf5=; 11...Bf5 12.0–0 Nd2 13.Nd2 Re8=) 12.Bc4 Bg4 13.Ne4 Ne4=.

10.Be2 Be6 A) 11.cd5 Qd5 (11...Bd5 12.0–0 Re8 13.Ne5 Bd6=; 11...Nd5 12.Qc2 f5 13.0–0 c6=) 12.0–0 Rad8 13.Qc2 Rfe8+=; B) 11.c5 b6 (11...Bg4 12.0–0 b6 13.c6 Re8=; 11...Qe8 12.Ne5 Nd7 13.Nd7 Qd7=; 11...Re8 12.0–0 b6 13.c6 Bd6=; 11...a6 12.0–0 Re8 13.Ne5 Nd7=) 12.c6 Ng4 13.0–0 Qd6+=; C) 11.Qb3 dc4 (11...Re8 12.0–0 dc4 13.Bc4 Bc4+=; 11...c6 12.0–0 dc4 13.Bc4 Bc4+=; 11...a5 12.0–0 dc4 13.Bc4 a4=; 11...c5 12.Nbd2 b5 13.cb5 c4=) 12.Bc4 Bc4 13.Qc4 c5+=; D) 11.Qc1 Rc8 (11...c5 12.0–0 Rc8 13.dc5 dc4+=; 11...dc4 12.Bc4 c5 13.Be6 fe6+=; 11...Re8 12.0–0 dc4 13.Bc4 Bc4+=; 11...a6 12.0–0 Re8 13.Nc3 Nc3=) 12.0–0 dc4 13.Bc4 c5+=; E) 11.Nbd2 dc4 (11...Re8 12.Ne4 Ne4 13.Bd3 Nf6=; 11...c6 12.0–0 dc4 13.Bc4 Nd2=; 11...Nd2 12.Nd2 dc4 13.Nc4 Re8=; 11...Rb8 12.Ne4 Ne4 13.Qc2 Bf5=) 12.Nc4 Re8 13.0–0 Bd5=.

10.Be2 Re8 A) 11.0–0 Bg4 (11...Be6 12.cd5 Qd5 13.Ne5 c6=; 11...a6 12.Ne5 Be6 13.cd5 Nd5=; 11...Bf5 12.Nc3 c6 13.Ne4 Be4=; 11...c6 12.Nc3 Bf5 13.Ne4 Be4=) 12.Nc3 c6 13.Qc2 Nc3=; B) 11.Nc3 Be6 (11...Nc3 12.Bc3 Ne4 13.Qb3 Be6=; 11...Bg4 12.Ne4 Ne4 13.0–0 c6=; 11...a6 12.Qb3 dc4 13.Bc4 Nd6=; 11...Bf5 12.0–0 c6 13.Ne4 Be4=) 12.Ne4 Ne4 13.Bd3 Nf6=; C) 11.Bd3 c5 (11...dc4 12.Bc4 Bd6 13.Nc3 Qe7=; 11...a6 12.cd5 Qd5 13.Qc2 Bd6=; 11...Bg4 12.0–0 a6 13.Qc2 Bf3=; 11...c6 12.0–0 dc4 13.Bc4 Bd6+=) 12.Qc2 Bf5 13.Nc3 b5+=; D) 11.cd5 Nd5 (11...Qd5 12.0–0 Bg4 13.Nc3 Nc3=; 11...Bf5 12.Ne5 Qd5 13.0–0 Qd6=) 12.Bd3 Bd6 13.Qc2 Bf5=; E) 11.Qb3 Be6 (11...a5 12.Nc3 Nc3 13.Bc3 a4=; 11...dc4 12.Bc4 Nd6 13.Bd3 Be6=; 11...c6 12.Nc3 dc4 13.Bc4 Nd6=; 11...Bf5 12.Ne5 Bd6 13.0–0 c6=) 12.0–0 dc4 13.Bc4 Bc4+=; F) 11.Nbd2 Nd2 (11...Be6 12.Ne4 Ne4 13.Bd3 Bg4=; 11...Bf5 12.Ne4 Be4 13.0–0 c6=; 11...c6 12.0–0 Bg4 13.Ne4 Ne4=; 11...Bg4 12.0–0 Nd2 13.Nd2 Be2=) 12.Nd2 Be6 13.0–0 dc4=.

10.Be2 Bf5 A) 11.0–0 Be6 (11...c6 12.Nc3 Re8 13.Ne5 Nc3=; 11...a6 12.Ne5 dc4 13.Bc4 Nd7=; 11...Re8 12.Nc3 c6 13.Ne4 Ne4=; 11...dc4 12.Bc4 Re8 13.Nc3 a6=) 12.Nbd2 dc4 13.Bc4 Bc4=; B) 11.Nbd2 dc4 (11...a6 12.0–0 dc4 13.Ne4 Be4=; 11...Nd2 12.Nd2 dc4 13.Nc4 Qd5=; 11...Re8 12.0–0 Nd2 13.Nd2 c6=; 11...c6 12.0–0 Nd2 13.Nd2 Re8=) 12.Ne4 Be4 13.Bc4 Qd6=; C) 11.Nc3 dc4 (11...Nc3 12.Bc3 dc4 13.Bc4 Nd5=; 11...a6 12.0–0 dc4 13.Bc4 Bd6=; 11...Re8 12.0–0 c6 13.Ne4 Ne4=; 11...c6 12.0–0 Qb6 13.Qc1 Nc3=) 12.Bc4 Nc3 13.Bc3 Nd5=.

10.Be2 Bg4 A) 11.0–0 dc4 (11...Re8 12.Nc3 c6 13.Ne4 Ne4=; 11...c6 12.Nbd2 Re8 13.Ne4 Ne4=; 11...Qd6 12.Qb3 Rab8 13.cd5 Nd5=; 11...Be6 12.Nbd2 dc4 13.Bc4 Bc4=) 12.Bc4 c6 13.Qc2 Bf3=; B) 11.Nc3 Rc8 (11...c6 12.0–0 Nc3 13.Bc3 dc4=; 11...dc4 12.Bc4 Nc3 13.Bc3 Ne4=; 11...Nc3 12.Bc3 dc4 13.Bc4 Ne4=; 11...Re8 12.0–0 c6 13.Ne4 Ne4=) 12.Qc2 Nc3 13.Bc3 c5=; C) 11.cd5 Nd5 (11...Qd5 12.0–0 Rfe8 13.Nc3 Nc3=; 11...Bf5 12.0–0 Nd5 13.Bd3 Bd6=; 11...Rc8 12.Qb3 Nd5 13.Bd3 Bf3=; 11...Rb8 12.Qc2 Re8 13.0–0 Qd5=) 12.Qc2 Re8 13.Bd3 Bf3–/+; D) 11.Qb3 c6 (11...dc4 12.Bc4 Nd6 13.Bd3 Re8=; 11...Re8 12.cd5 Qd5 13.Qd5 Nd5=; 11...Rb8 12.cd5 Nd5 13.0–0 Bd6=; 11...Be6 12.0–0 dc4 13.Bc4 Bc4=) 12.0–0 dc4 13.Bc4 Bf3+=; E) 11.Nbd2 dc4 (11...Nd2 12.Qd2 Re8 13.Qc2 c6=; 11...Re8 12.0–0 Nd2 13.Nd2 Be2=; 11...c6 12.0–0 Nd2 13.Nd2 Be2=; 11...Qd6 12.Ne4 Ne4 13.cd5 Qd5=) 12.Bc4 Nd2 13.Qd2 c6=.

10.Ne5 a6 11.cd5 Qd5 (11...Nd5 12.Bd3 f5 13.Qc2 Bd6=) 12.Qc2 Be6 13.Bc4 Qa5 =.

10.Ne5 c5 11.cd5 Qd5 (11...Nd5 12.Bd3 f5 13.Nd2 cd4=; 11...Qa5 12.Nd2 cd4 13.Bd4 Nd2=; 11...Ng4 12.Ng4 Bg4 13.Qc2 Qa5=; 11...Re8 12.Bd3 Qa5 13.Nd2 Nc3=) 12.Bc4 Qd8 13.Qb3 Nd6=.

10.Ne5 c6 A) 11.Bd3 dc4 (11...Qa5 12.Nd2 Be6 13.cd5 Bd5=; 11...Be6 12.Qc2 c5 13.f3 cd4=; 11...Re8 12.0–0 Bd6 13.cd5 cd5=; 11...Nd7 12.Nd7 Bd7 13.0–0 Bf5=) 12.Nc4 Be6 13.0–0 Qd5=; B) 11.f3 Ng5 (11...Qa5 12.Nd2 Ng5 13.Bd3 dc4=; 11...Qb6 12.Qc2 Qa5 13.Nd2 Nd2=) 12.Nd2 c5 13.Qb3 cd4=; C) 11.cd5 cd5 (11...Ng4 12.Ng4 Bg4 13.Qb3 cd5=; 11...Qa5 12.Nd2 cd5 13.Bd3 Bf5=; 11...Qd5 12.Qc2 Be6 13.Bd3 c5=) 12.f3 Nd6 13.Nc3 Be6+=; D) 11.Qb3 Bd6 (11...Qa5 12.Bc3 Nc3 13.Qc3 Qa4=; 11...Ng4 12.Ng4 Bg4 13.cd5 cd5=; 11...dc4 12.Bc4 Nd6 13.Bd3 Be6=) 12.Be2 Qa5 13.Nc3 Bf5+=; E) 11.Nc3 Be6 (11...Nc3 12.Bc3 Ne4 13.Qb3 Nc3=; 11...Bf5 12.Bd3 dc4 13.Bc4 Nc3=; 11...Qa5 12.Qa4 Qa4 13.Na4 Bf5=; 11...Bd6 12.Bd3 Re8 13.0–0 Qe7=) 12.Qc2 Nc3 13.Bc3 dc4+=; F) 11.Qc2 Qa5 (11...Ng4 12.Ng4 Bg4 13.Bd3 Nf6=; 11...Bf5 12.Bd3 Qa5 13.Nc3 Nc3=; 11...Bd6 12.Bd3 Qa5 13.Nc3 Nc5=; 11...Nd6 12.c5 Bf5 13.Qb3 Nde4+=) 12.Nc3 Bd6 13.Bd3 Nc5=.

10.Ne5 Be6 A) 11.Qc2 c5 (11...Re8 12.cd5 Qd5 13.Bc4 Qa5=; 11...dc4 12.Bc4 c5 13.0–0 cd4=; 11...Nd7 12.cd5 Bd5 13.Bd3 f5=; 11...Bf5 12.Bd3 dc4 13.Nc4 Be6=) 12.cd5 Bf5 13.Qb3 cd4=; B) 11.cd5 Qd5 (11...Bd5 12.f3 Nd6 13.e4 Be6=; 11...Nd5 12.Bd3 f5 13.0–0 c5=) 12.Qc2 Qa5 13.Bc3 Nc3+=; C) 11.f3 Nd6 12.c5 Nc8 13.Bd3 b6=.

10.Ne5 Re8 A) 11.Qc2 c5 (11...Be6 12.cd5 Qd5 13.Bc4 Qa5=) 12.Bd3 Be6 13.cd5 Qd5=; B) 11.Bd3 Be6 (11...dc4 12.Bc4 Nd6 13.Bd3 Bf5=; 11...c6 12.0–0 Bd6 13.cd5 cd5=) 12.cd5 Qd5 13.0–0 Rad8=; C) 11.cd5 Nd5 (11...Qd5 12.Bc4 Qa5 13.Nd2 Nd6=) 12.Qc2 Nef6 13.Bc4 Be6=.

10.Ne5 Bf5 A) 11.Bd3 dc4 (11...Be6 12.cd5 Qd5 13.0–0 Rfe8=; 11...c6 12.f3 Qa5 13.Nd2 Nd2=; 11...Re8 12.f3 Nd6 13.c5 Bc8+/–) 12.Nc4 Qd5 13.0–0 Nd6=; B) 11.Qb3 a5 (11...c5 12.f3 Qa5 13.Nc3 Nd6=; 11...dc4 12.Bc4 Nd6 13.Bd3 Bd3=) 12.cd5 a4 13.Qc4 Nd5+=; C) 11.f3 Nd6 12.cd5 Nd5 13.Qb3 Be6=; D) 11.Nc3 c5 (11...Nc3 12.Bc3 Ne4 13.Qb3 c5+=) 12.dc5 Qc7 13.Nf3 Rfd8+=; E) 11.cd5 Qd5 12.Bd3 Qa5 13.Nd2 Rfe8=.

7.Nf3 Bg4

8.Nc3 dc4 9.Bc4 Nbd7 10.d4 +=.

8.Nc3 Nc6 9.Bf6= Bf6 10.cd5 Ne5 (10...Ne7 11.Bc4+=) 11.Be2 (11.d4 Nf3 12.gf3 Bd7+=) 11...Bf3 12.Bf3 Nd3 13.Kf1 Nc5 (13...Qd6!?+=) 14.d4+/– Na6 (14...Nd7 15.Be4 Nc5 16.Bc2+/–) 15.g3 (15.Be2 Nb8+–) 15...c5 (15...Re8!?+/–) 16.dc6+– bc6 17.Bc6 (better is 17.Kg2!?+–) 17...Rc8+/– 18.Bb7 Rc3 19.Ba6 Qd5 20.Rg1 (20.Kg1 Rb8+/–) 20...Qa5 (20...Rb8 21.Rg2+/–) 21.Bd3 Ra3 (21...Be7 22.a4+–) 22.Ra3+– Qa3 23.Qc2 (23.Kg2 Rd8+–) 23...g6 24.Kg2 Rb8 25.Rc1 (25.Rd1 a5+–) 25...a5+/– 26.Be4 (26.Rd1 Qb3+/–) 26...Be7 (26...Rb2 27.Qc8 Kg7 28.Rc2+/–) 27.Bd5 Kg7 28.Qc4 (28.Qc7 Rb5 29.e4 Qd6+–) 28...Rf8 (28...Rb2 29.Rc3 (worse is 29.Bf7 Qe3 30.Rf1 Qe4 31.Kg1 Rb4+=) 29...Qd6 30.e4+/– (worse is 30.Bf7 Qf6 31.Rc2 Rc2 32.Qc2 Qf7–/+)) 29.e4+– Qb4 30.Qd3 a4 31.Rb1 Qa3? (better is 31...Qd6+–) 32.Qa3 Ba3 33.Ra1 Bb2 34.Ra4 h5 (34...Rc8 35.h4+–) 35.Kf3 (35.Rb4 Bc3 36.Rc4 Bb2+–) 35...f5 36.e5 (better is 36.Ke3!? fe4 37.Be4 g5+–) 36...Rd8 37.Rb4 Rd5 38.Rb2 Rd4 39.Rb7 (39.Kg2 f4+–) 39...Kh6 (better is 39...Kf8+/–) 40.e6?? (better is 40.h4+–) 40...Re4= 41.e7 Kg5 42.Rb6 Re7 43.h4 Kh6 44.Rc6 (44.Rb4 Kg7=) 44...Kg7 ½–½. Wall,Bill – Stormy, internet, 2004.

8.Nc3 Nbd7 9.Bg3 c6 10.cd5 Nd5 11.Nd5 cd5 12.Be2 Nc5 13.0–0 b6 14.Qc2 Rc8 15.Qb2 Ne4 16.Be5 f6 17.Bf4 g5 18.Bg3 h5 19.h3 Bd7 20.Nd4 g4 21.h4 Ng3 22.fg3 Rc5 23.Qb1 Kg7 24.Bd3 Bd6 25.Bf5 Bc7 (25...Bg3? 26.Bd7 Qd7 27.Nf5 Kg6 28.Ng3 f5 29.Ne2+–) 26.Be6 Qe8 27.Qf5 Ba4 28.Rac1 Be5 29.Bd5 Bd7 (29...Rd5 30.Ne6 Kh6 31.Nf8 Qf8+/–) 30.Ne6 Be6 31.Be6 Rc1 32.Rc1 Bg3 33.Ba2 Rh8 34.Bb1 Qf7 35.Rc3 Bd6 36.a4 Rd8 37.Rc6 Be7 38.d4 Kf8 39.Qf4 Qg7 40.Bf5 g3 41.Kh1 Qg8 42.Rc7 Qg7 43.Rb7 (43.Ra7 Bd6 44.Ra8 Ra8 45.Qd6 Qe7 46.Qg3 Ra4=) 43...a6 44.Rb6 a5 45.Rb7 Bd6 46.Qe4 (46.Qf3 Be7+–) 46...Be7 47.Bg6 Rc8 48.Rc7!! Rb8 (48...Rc7 49.Qa8) 49.Kg1 (49.Bh5?! f5 50.Qf5 Qf6 51.Rc8 Rc8 52.Qc8 Kg7+–) 49...f5 (49...Rd8 50.Bh5 Rb8 51.Ra7+–) 50.Qf5 Qf6 51.Qf6 Bf6 52.Rf7 Kg8 53.Rf6 Kg7 54.Re6 (54.Re6 Rb2 55.Be4+–) 1–0. peze – Caissa, playchess.de, 2004.

8.d4 Nbd7 9.Nc3 dc4 10.Bc4 Ne5 11.de5 +=.

8.cd5 Nbd7 9.Bf6 Nf6 10.Qb3 =+.

8.Be2 dc4!? 9.Bc4 Nbd7 +=.

8.Be2 Qd7 9.cd5= Nd5 10.Bb2 Nc6 11.d4 Rfe8 12.Nbd2 a6 13.0–0 Bf8 Black gets strong initiative 14.Qc2 Rad8 15.Ng5 (15.Bd3 h6=) 15...Bf5+= 16.e4 Nf4 17.Bc4 Bg6 18.g3 (18.Qb3!?–/+) 18...Qg4–+ (18...Nd4?! 19.Bd4 Qd4 20.Ndf3=) 19.Nf7 (19.Ngf3 Re4! 20.Qd1 b5–+) 19...Bf7–/+ 20.Bf7 Kf7 21.Qc4 (21.d5!? Ne2 22.Kg2–/+) 21...Kg6–+ 22.Rae1 Ne5 23.Qc7 Ned3 24.f3 Qd7 25.Qb6 (25.Qd7 Rd7 26.gf4 Nb2–+) 25...Qe6 26.Qa5 Nh3 (26...Nb2?! 27.gf4 Qf6 28.e5–+) 27.Kg2 Ne1 (27...Nb2?! 28.d5 Qf6 29.e5–/+) 28.Re1 h6 (28...Kh6 29.d5 Qd7 30.Qb6 Kh5 31.Rc1–/+) 29.f4 White intends e5 29...Qg4 30.Rf1 (better is 30.Qf5 Qf5 31.ef5 Kf5 32.Re8 Nf4 33.gf4 Re8 34.Kf3–+) 30...Kh7 31.Qc3 Rc8 32.Qd3 g5 (32...Kh8 33.d5–+) 33.e5 Kh8 34.fg5 Ng5 35.h4 Qh3 (35...Ne6 36.d5 Rcd8 37.Ne4–/+) 36.Kg1 Nh7 37.Rf7 Do you see the mate threat? 37...Bg7 38.d5 Rf8 39.Rb7 Rc2 Threatening mate: Rxd2 (39...Rc2 40.Rg7 Kg7 41.e6 Rb2–+) 0–1. Nebe,Lutz – Merten,Rainer, corr SOK–89–31, 1989.

8.h3 Bh5 9.Be2 dc4 10.Bc4 Nc6 11.Bb2 a6 12.d4 b5 13.Ba2 Rc8 14.Nbd2 Qd7 15.0–0 Nd8 16.Qb3 Bf3 17.Nf3 Ne6 18.Ne5 Qd6 19.Rfd1 Qb6 20.d5 Nc5 21.Qc2 Bd6 22.Rac1 Rfe8 23.Nc6 Nfd7 24.Bb1 Ne4 25.Rd4 Ndf6 26.Re4 Ne4 27.Bd4 Bc5 28.Bc5 Qc5 29.Qc5 Nc5 30.Rc5 g6 31.g4 Kf8 32.g5 Kg7 33.Bd3 f6 34.h4 fg5 35.hg5 h6 36.gh6 Kh6 37.Nb4 a5 38.Nc6 b4 39.Ra5 Ra8 40.ab4 Ra5 41.ba5 g5 42.a6 Kg7 43.a7 1–0. onny555 (1850) – tflk (1785), gameknot.com, 2014.

8.cd5 Nd5

9.Be2 Nc6

10.Bb2 Qd7 11.0–0 Rfe8 12.d4 a6 13.Nbd2 Bf8 (13...Rad8 14.e4 Nf4 15.d5=) 14.Qc2 Rad8 (14...Nf4 15.Bc4 Bf3 16.Nf3+/–) 15.Bd3 g6 (15...h6 16.Bh7 Kh8 17.Bd3=) 16.Rfe1 Bh6 17.h3 Be6 18.e4 (18.Ne4 Bf5=) 18...Nf4= 19.d5 Nh3 (19...Nd3 20.Qd3 f6 21.Bf6 Ne7+–) 20.gh3+– Bh3 Threatening mate... how? 21.Nh2 (21.Kh1 Bg4+–) 21...Ne5+/– 22.Be2 c6 23.Ndf3 Bf4 (23...Nf3 24.Bf3 Bf4 25.Red1+/–) 24.Ne5+– Be5 25.Be5 Re5 26.f4 Re7 27.Bf3 (27.Rad1 Rde8 28.Bc4 cd5 29.Bd5 Be6+/–) 27...Rc8 (27...cd5!? 28.ed5 Re1 29.Re1 Qd6+/–) 28.Rac1 Qc7 29.Qc5 Qd7 (29...b6 30.Qb4 (30.Qc6?! Qf4 31.Qc8 Bc8 32.Rc8 Kg7=) 30...c5 31.Qd2+–) 30.d6 Re6 (30...b6 31.Qb6 Qd6 32.e5 (worse is 32.Qa6 Qf4 33.Kh1 c5+/–) 32...Qa3 33.Ra1+/–) 31.e5 h5 (31...Bf5 32.Ng4 Bg4 33.Bg4+–) 32.Nf1 (32.Bd5 Ree8 33.Be4 Bf5+–) 32...g5 (32...Rd8 33.Ne3+–) 33.Ng3 (33.fg5 Rg6+–) 33...gf4 (33...h4 34.f5 Rh6 35.e6 fe6 36.Re6+–) 34.Nh5 Rg6 35.Kf2 (35.Kf2 b6 36.Qb6+–) 1–0. Kreuzer,Uwe – Zylla,Johannes, corr SOK–92–85, 1992.

10.Bb2 Bf6 11.Qc2 Re8 12.0–0 (12.d4 Bf3 13.gf3 Bh4–/+) 12...Qd7 (12...Nf4! 13.Bd1 Nd3 14.Bf6 Qf6–/+ (worse is 14...gf6 15.Nc3+=)) 13.d4 a6 14.Nc3 Nc3 15.Bc3 Bf5 16.Bd3 Bd3 17.Qd3 Qg4 18.Qc4 Rad8 19.Rab1 Rc8? (19...Rb8 20.Bb4=) 20.Rfe1?? (20.Rb7 Qd7+–) 20...h5? (better is 20...Nd8!?+=) 21.h3 (better is 21.Rb7!? Qd7 22.a4+–) 21...Qe4+/– 22.Nd2 (22.Rb7?! Nd4 23.Bd4 Qb7 24.Bf6 gf6=) 22...Qh4 23.e4 (better is 23.Rb7!? Nd8 24.Rc7 Rc7 25.Qc7+–) 23...Qf4 24.g3 Qg5 25.Nf3 White intends d5 25...Qg6 26.e5 Bd8 27.d5 Ne7 28.e6 (28.Rb7 Qf5 29.Kg2 Qd7+–) 28...f6? (28...fe6!? 29.de6 b5+/–) 29.Nh4 (29.Rb7 Qf5 30.Qa4 Rf8+–) 29...Qg5+/– 30.Rbd1 Nf5?? (better is 30...Qh6+–) 31.Nf5 Qf5 32.d6 cd6 (32...Ra8 33.e7 Kh7 34.Qf7+–) 33.e7 (33.e7 Rc4 34.ed8N Rd8 35.Bb4–+; better is 33.Qc8 Qf2 34.Kf2 Bb6 35.Bd4 Bd4 36.Rd4 Rc8 37.Rd6+–) 1–0. Gross,Wilhelm – Merten,Rainer, xviii/12, 1989.

6.Qb3 c5

7.cd5 Nd5 8.Bc4 Nf6 9.Nf3 Nc6=+ 10.Bb2 a6 11.Qc2 b5=+ 12.Be2 c4 13.a3 Ba5 14.0–0 Bg4 15.d3= cd3 16.Bd3 Rc8 17.Qe2 Bf3 18.gf3 Qd5 19.f4 Ne4 20.a4= Nc5 21.Bc2 Na4=+ 22.Rd1 Qe6 23.f5 Qh6 24.Ba4 Bc7 25.f4=+ ba4 26.Ra4 Bb6 27.Kh1 Ne7 28.e4 Rfd8 29.Rf1 Qh3 30.Re1 Rd3 31.Ra3 Rcd8 32.Qg2 Qg2=+ 33.Kg2 a5 34.Rd3 Rd3 35.Rc1 f6 36.Ba3 Kf7 37.Rc3 Rc3 (37...Rd1 38.Be7 Ke7 39.Na3–/+) ½–½. Benassi,Aspasio – Giordana,Marco, ASIGC, 2001.

7.Nf3 Nc6 8.Bc3 Bf5 9.a3 Bc3 10.Nc3 d4 11.Nd5 Na5 12.Nf6 Qf6 13.Qb2 de3 14.Qf6=+ ed2 15.Kd2 gf6 16.Kc3 Rad8 17.Be2 Rfe8 18.Rhe1 Kf8 19.Rad1 Rd1 20.Bd1 Rd8 21.Be2 Rd6 22.Rd1 Rb6 23.Nd2 Nc6 24.Nb3 Rb3 25.Kb3 Nd4 26.Kb2? Ne2–+ 27.g3 Nd4 28.a4 Be4 29.f4 f5 (29...f5 30.a5 Ke7–+) 0–1. Roczniak,Jan – Matejek,Lucjan, Poland, 1981.

7.a3 Ba5

8.Bb2 Re8 9.cd5= Nd5 (9...a6 10.Qc2 Nbd7 11.Nf3 Nd5 12.Bc4 Nf8+=) 10.Bc4 Be6 11.Ne2 (11.Qb7 Nd7 12.Bd5 Rb8+=) 11...Qd7 (11...b6 12.0–0 Nc6=) 12.0–0 (12.Nbc3 Nb6+=) 12...Nc6 13.d4 (13.Nbc3 Nb6 14.Be6 fe6=) 13...cd4 (13...b5 14.Bd5 Bd5 15.Qc2 cd4 16.Nd4–/+) 14.Bd4 Rac8 (worse is 14...Nd4 15.Nd4 Red8 16.Rd1=) 15.Qd3 Nd4 16.Nd4 Rc4 17.Ne6 Nb6 (17...Rec8 18.Nf4 Nf6 19.Qd7 Nd7 20.Ra2+=) 18.Qd7= Nd7 19.Nd4 Rec8 20.Nb3 Nc5 (better is 20...Bc7!?+=) 21.Na5+/– Nd3?? (better is 21...Ra4 22.Nb7 Nb7+/–) 22.Nc4+– Rc4 23.Nd2 Rc2 24.Ne4 Kf8 (24...h6 25.Rfd1 Ne5 26.Nd6+–) 25.Rfd1 Ne5 (25...f5 26.Rd3 fe4 27.Rd7+–) 26.Nd6 b6 27.Nc8 Rc8 28.f4 Ng4 29.Rd3 Re8 30.Re1 f5 31.h3 Nf6 32.Kf2 Ne4 33.Kf3 Re7 34.Red1 Kf7 35.Rd4 h5 36.Rd8 g5 37.fg5 Ng5 38.Ke2 Ne4 39.R1d7 Nc3 40.Kd3 Nb5 41.Re7 Ke7 42.Ra8 a5 43.a4 Nd6 44.Rh8 Ne4 45.Rh5 Nc5 46.Kc4 Na4 47.Rf5 Nb2 48.Kb5 a4 49.Kb6 a3 50.Rf1 Kd6 51.Kb5 Kd5 52.Ra1 Nc4 53.Rd1 (53.Rd1 Ke4 54.Kc4 Ke3 55.h4+–) 1–0. Ljungstroem,David – Brissman,Anders, corr SSKK 3–10, 1986.

8.cd5 Nd5 9.Bc4 Nb6 10.Be2 Nc6 11.Bb2 Be6 –+. Rabinovich – Oldekop, Su 1969.

8.cd5 Nd5 9.Nf3 Nc6 10.Bb2 Re8 11.Qc2 Qe7 12.Nc3 Bc3 13.dc3=+ Rd8 14.Be2 Bg4 15.c4= Nb6 16.0–0 Re8 17.Qc3 f6 18.Qc2 Qe6 19.Bd3 g6 20.Bg6 Bf3?? 21.Bh7 Kh8 22.gf3 Nd4?? 23.ed4+– Rg8 24.Bg6 Qf7 25.Kh1 Rg6 26.d5 Qh7 27.Qe4 Rag8 28.Rg1 Qh2!? (29.Kh2 Rh6 30.Qh4 Rh4#) 0–1. Frosinos,Ioannis – Ikonomopoulou,Maria, Glyfada op 3rd, 2001.

6.Qb3 Nc6

7.Bb2 Be7 8.cd5 Qd5 9.Bf6= Qb3 10.ab3 Bf6 11.Nc3 Nb4 12.Rc1 Bf5 (12...Bf5 13.Nf3 Rfd8–/+) 0–1. Waibel,Ulrich (1830) – Reisinger,Georg (2095), BdF Pyramide, 2005.

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

7.cd5 Nd5 8.Bc3 Be6 9.Qb2 Nc3 10.Nc3 Re8 11.Bb5 Qg5 12.Bc6 bc6 13.Nge2 (13.Qb4 Qg2 14.Qe4 Bd5 15.Qg2 Bg2=) 13...Rab8 (13...Qg2? 14.Rg1 Qh2 15.Qb4+–) 14.0–0 Bd5 (14...Bf5 15.Qb3–/+) 15.f3 Bd6 16.Qc2 Qh4 17.g3 ½–½. Neri,Enzo – Vieito Soria,Luis M, corr ICCF TT, 2003.

7.cd5 Ne5 8.Qb4=+ Nd5 9.Qd4 Nc6 10.Qb2 Ndb4 11.a3 Nd3 12.Bd3 Qd3 13.Qc3 Qg6 14.Ne2 Bf5 15.0–0 Rad8 16.d4 Qd6 17.Nd2 Rfe8 18.Nc4 Qd7 19.Rfe1 Be6 20.Nd2 Ne7 21.e4 c6 22.Nf3 f6 23.Rad1 Bf7 24.Ng3 h5 25.e5 Nd5 26.Qc1 Qe7 27.Nf5+= Qf8 28.ef6 Nf6+= 29.Ne5 Ng4 30.Nf7 Qf7+= 31.Re8 Re8 32.Qg5 Rf8 33.Ne7 Kh7 34.f3 g6? 35.d5 cd5 36.Nd5 Nf6 37.Nf6 Qf6 38.Rd7 Kg8 39.Qf6 Rf6 40.Rb7 Ra6 41.Rb3 Kf7 42.Kf2 Ke6 43.Ke3 Ke5 44.h3 Ra4 45.g4 hg4 46.hg4 g5 47.Rb5 Kf6= 48.Rb3 Ke5 49.Ke2 Kf6 50.Re3 Rd4 51.Re8 Ra4= 52.Re3 Rd4 53.Ke1 Kg6 54.Re6 Kh7? 55.Ra6 Rd7+/– 56.Ke2 Re7 57.Kd3 Kg7 58.Kd4 Kh7 59.Kd5 Kg7 60.Kd6 Rf7 61.Ke5 Rf3 62.Ra7 Kg6 63.Ra6 Kf7 64.Ra4 Kg6 65.Ra6 Kf7 66.a4 Rf4 67.a5 Rg4 68.Kf5 Rg1 69.Ra7 Ke8 70.a6 Ra1 71.Ra8 Kd7= 72.a7 Ra5 73.Kg4 Kc7 74.Rg8 Ra7 75.Rg5 ½–½. Schwartz,Simon – Jacobi,Karl Heinz (2190), Salzwedel op, 2000.

7.Nf3!? Re8 8.Nc3 Ne5 9.Qb4 –+.

7.Bg3 d4 8.Ne2? (8.a3 Ba5 9.Nf3 Bf5–+) 8...de3 (better is 8...Re8 9.Bh4–+) 9.fe3 Ne4 10.Qb2 Re8 11.Nbc3?? (11.a3 Ba5 12.Nbc3–+) 11...Ba3 12.Qc2 Nb4 13.Qd1 (13.Qe4 Re4 14.Ne4–+) 13...Nd3 0–1. towa (1915) – zunsurfer (2040), gameknot.com, 2014.

7.Bb2 dc4

8.Bc4 Bd6 9.Nf3 Na5 10.Qc2 Nc4 11.Qc4 c5 12.Qc2 Re8 13.d3 Bf5 14.Nbd2 Rc8 15.e4 c4–/+ 16.Bf6 Qf6 17.0–0 cd3 18.Qd3 Rcd8 19.Qb5 Bc8 20.Rad1 a6 21.Qb3 b5–/+ 22.a4 Bd7 23.ab5 Bb5 24.Rfe1 Bf4 25.Nf1 Rd1 26.Qd1 Bc6 27.Qd3 a5–/+ 28.Qc4 Bc7 29.Rc1= Re6 30.Ne3 Bb6 31.Nd5 Bd5 32.ed5 Re8 33.Qc6 Rd8 34.Rb1 Qc6= 35.dc6 Bc7 36.Kf1 ½–½. Benassi,Aspasio – Woischke,Norbert, TKM/SF/01, 2001.

8.Bc4 Qe7 9.Qc2 Ne5 10.Be2 Bg4 11.f3 Bh5 12.a3 Bg6 13.e4 Ba5 14.Qa4 Bb6 15.Nh3 c5 16.Nf4 Qd6 17.Qb3 Bc7 18.g3 Nc6 19.Ra2 b6 20.Bb5 Nd4 21.Bd4 Qd4 22.Ng6 hg6 23.Qc4 Qe5 24.Nc3 Qh5 25.f4+= g5 26.e5 Ng4 27.Bc6 gf4 28.Ba8 Ra8 29.d4 Rd8 30.e6 fg3 31.Re2 Nh2–+ 32.Kd1 fe6 33.Qe6 Kh8 34.Qe7 Qf3 35.Rg1–/+ Nf1 36.Kc2=+ cd4 37.Qc7 Rf8 38.Re7 dc3 39.Qc3 Rf6 40.Qf3= Rf3 41.Ra7 g2 42.Kd1 Rf2 43.Ke1 Rb2 44.Ra4 Ne3 45.Re4 Rb1 46.Kf2 Rf1 47.Kg3 Rg1 48.Re3 Rb1 49.Kg2 g6 50.Re6 Kg7 51.Kh3 Kh6 52.Kh4 Rb3 53.Kg4 Ra3 54.Rb6 Ra4 55.Kh3 Kh5 56.Rb3 g5 57.Rd3 Ra7 58.Rc3 Ra1 59.Kg3 Rg1 60.Kh3 Rb1 61.Rd3 Rb4 62.Rc3 Re4 63.Rd3 Ra4 64.Kg3 Rc4 65.Re3 Rg4 66.Kh3 Rd4 67.Kg3 Rd1 68.Rc3 Ra1 69.Rd3 Rg1 70.Kf2 Rc1 71.Kg3 Rc2 72.Rf3 Rc5 73.Rd3 Rc1 74.Rb3 Rg1 75.Kf2 Ra1 76.Kg3 Ra5 77.Rd3 ½–½. bambinik – NemoEimi, internet, 2001.

7.Bb2 d4!

8.Nf3 de3 9.fe3 Ne4 10.Nc3 Bf5 11.Ne4 Be4 12.0–0–0 Qe7 13.Bd3 Na5 14.Qc2 Bd3 15.Qd3 Qe6 16.Bc3 Bc3 17.Qc3 Qc4 18.Qc4–/+ Nc4 19.Kc2 Rfe8 20.Rhe1 Rad8 21.Kc3 Ne5 22.Ne5 Re5 23.d4 Rf5 24.Rd2 Kf8 25.Rb2 b6 26.Kc4 Ke7 27.e4 Rh5 28.h3 Ke6 29.Rf2 Ra5 30.d5 Ke7 31.g4 Rd7 32.Ref1 Ke8 33.Re1 Rc5 34.Kb3 Re7 35.Rfe2 Kd7 36.Rd1 Kd6 37.Rf1 Rd5 (37...Rd5 38.ed5 Re2 39.Rf7 Re7 40.Re7 Ke7–+) 0–1. Borrmann – Cena, CiF cp, 1989.

8.Nf3 Re8 9.Be2 Bc5 10.0–0 Bf5 11.Qb7= Qd6 12.ed4 Nd4 13.Nd4 Bd4 14.Bd4 Qd4 15.Nc3 Qd2 16.Rac1 Ne4 17.Nd5 Rac8 18.Bf3= Nf2 19.Qa7 Nd3 20.Ra1 Qg5 21.Kh1 Ne5 22.Be2 Be4=+ 23.Nf4?? Ng6–+ (23...Ng6 24.a4 Nf4–+) 0–1. Benassi,Aspasio – Horton,Justin, IECG, 2001.

8.Nf3 Re8 9.Be2 de3 10.fe3 Ne4 11.Nc3 Nd2!? 12.Nd2 Re3 13.Nf3 Qe7 14.0–0 Qc5 15.Kh1 Bc3 16.Bc3 Re2 17.Rae1 Re1 18.Re1 Qf8 19.Qb5 a6 20.Qh5 Be6 21.Ng5 Bf5 22.Nh7?? Bh7 (22...Bh7 23.Qg5 Rd8–+) 0–1. Martine – Van der Kooij, corr EU, 1991.

7.Bb2 Be6

8.a3 dc4 9.Qa4 Ba5 10.Bc4 Ne4 11.Nf3 (11.Be6 Bd2 12.Ke2 Qh4–+) 11...Nc5 12.Qb5 Bc4 13.Qc4 Nd3 14.Ke2 Nb2 15.Qb3 Qd7 (15...Qf6!? 16.Ra2 Na4 17.Qa4 Qg6+=) 16.Qb2+= Rad8 17.Qc2 (17.d4!?=) 17...Qg4 18.Kf1 Rfe8 19.h3 Qd7 20.Nc3 Ne5 21.Ne5 Re5 22.d4 Re6 23.Ne2 Rc8 24.Rb1 c5 25.d5 Ree8 26.Qb3 Bc7 27.Qc4 Bd6 28.a4 Qf5 29.Rb7 Re3 30.Qg4 Rd3 31.Ng3 Qg4 32.hg4 Bg3 33.Ke2 Rd5 34.fg3 Re8 35.Kf2 Rd2 36.Kf3 g5 37.Rc1 Re5 38.Ra7 Rd3 39.Kf2+= Rd2 40.Kf3 Rd3 41.Kf2+= Rd2 42.Kf3–+ Rd6 43.Kf2+= h6 44.Rc7 Rf6 45.Kg1 Re2 46.Rf1? Rf1–/+ 47.Kf1 Ra2 48.Rc5 Ra4 49.Kf2 Rg4 50.Kf3 h5 51.Ra5 Kg7 52.Rb5 Kg6 53.Rb6 f6 54.Ra6 Rb4 55.Kf2 Kf5 56.Rc6 Rb2 57.Kg1 Rd2 58.Ra6 Rd5 59.Kf2 Re5 60.Rb6 Ra5 61.Rd6 Kg6 62.Rb6 Ra2 63.Kf1 Kf5 64.Rd6 Ke5 65.Rc6 Kf5 66.Rd6 h4 67.gh4–/+ gh4 68.Rd8 Ra5 69.Rf8 Kg5 70.Kf2 Rf5 71.Kg1 Kf4 72.Kh2 Kg4 73.Rg8 Rg5 74.Ra8 f5 75.Rh8 Rg7 76.Rh6 Re7 77.Rh8 Re4 78.Rh7 Kg5 79.Rh8 Rg4 80.Rf8 Kf4 81.Re8 Rg7 82.Rh8+= Kg4 ½–½. Simion,N (1895) – Bida,M (2205), Arad ROM, Romania Open, 2012.

8.Nf3 Re8 9.a3 Ba5 10.Be2 dc4 11.Bc4 Bc4 12.Qc4 Re4 13.Qc2 Rg4 14.0–0 Qd5 15.Ne1 Ne5 16.Be5 Qe5 17.d4 Qh5 18.Nf3 Qh3 19.g3 Rg6 20.Ne5 Rh6 21.f3 Nd5 22.Ng4 Rc6?? 23.Qf5+– (23.Qf5 Ne3 24.Nf6 (24.Ne3?! Qf5 25.Nf5 Re8+/–) 24...Rf6 25.Qh3+–) 1–0. Saez – Perez, corr ESP–ch M, 1981.

8.Nf3 Re8 9.a3 Bf8 10.Qc2 d4 11.Nd4= Nd4 12.Bd4 Qd4 13.ed4 Bg4 14.Be2 Be2 15.Qb2 Bd3 16.Kd1 Ne4 17.Rg1 Nf2 18.Kc1 Bc4 19.Qc3 Nd3–/+ 20.Kc2 b5 21.g4 Re1 22.Re1 Ne1 23.Kd1 Nd3 24.Kc2 Re8 25.Qd3 Bd3 26.Kd3 Re1 27.Kc2 Rh1 28.Ra2 Rh2 29.Nc3 a6 30.Nd5 Bd6 31.a4 b4 32.Rb2 a5 33.Rb3 h5 34.gh5 Rh5 35.Ne3 f5 36.Nc4 f4 37.Rb1 g5 38.Rg1 Kf7 39.Na5 Ke6 40.Nc4 Kd5 41.Nd6 cd6 42.a5 Ke4 (42...Ke4 43.Kb3 f3 44.Re1 Kd4–+; 42...Kc6 43.a6 Kb6 44.Kb3–+) 0–1. Riepe,Bernhard – Noack,Mario, 2004.

7.Nf3 Ne5

8.Ne5 Qd6 9.Nd3 Ba5 10.cd5 Nd5 11.Be2 c6 12.0–0 Be6 13.Qa4? Bd2–/+ 14.Nd2 Nc3–+ 15.Qc2 Ne2 16.Kh1 Rfd8 17.Rfe1 Qd3 18.Qd3 Rd3 19.Re2 Rad8 20.Nf3 Rd1 21.Re1 Re1 22.Ne1 Rd2 23.Kg1 Ra2 24.Ra2 Ba2 25.Nd3 a5 (25...a5 26.Nc5 b5–+) 0–1. berlinwall (1635) – pierre (2180), internet, 2007.

8.Ne5 Bd6 9.Nf3 dc4 10.Bc4 c6 11.a4 Qb6 12.Nc3 Qb3 13.Bb3 Re8 14.0–0 Bf5 15.d4 h6 16.Rfc1 Bd3 17.a5 g6 18.Na4 Rab8 19.Nb2 Bb5 20.Nc4 Bc4 21.Bc4 Re7 22.g3 Kg7 23.Bd3 a6 24.Rab1 Rd8 25.Rb3 Rdd7 26.Nd2 c5 27.dc5+/– (27.dc5 Bc7 28.Nc4+/–) 1–0. pcmvr (2865) – sisterofmercy (2590), net–chess.com, 2009.

8.Ne5 Bd6 9.Nf3 dc4 10.Bc4 c6 11.Nc3 b5 12.Bd3 a6 13.a4 Be6 14.Qb1 b4 15.Ne4 h6 16.0–0 c5 17.Nd6 Qd6 18.Rc1 Rfd8 19.Bf5 Bf5 20.Qf5 Rac8 21.Rc4 Nd7 22.a5 Rb8 23.Rb1 Rb5 24.Qc2 (better is 24.d4!?=) 24...Ra5–/+ 25.d4 Rb5 26.Nd2 a5 27.Nb3 a4 28.Nd2 (28.Nc5 b3 29.Qc1 Nc5 30.Rc5 Rc5 31.dc5 Qd2–+) 28...Nb6 29.Ne4 Qg6 30.Rc5 Rc5 31.Qc5 (better is 31.dc5 b3 32.Qc1 Qe4 33.cb6–+) 31...Qe4 32.Qb4 Nd5 33.Qb7 Nc3 (33...Nc3 34.Qe4 Ne4–+) 0–1. Groznyi,Ivan – Kunakov,Oleg (1860), OP–2009–0–00854, 2009.

6.cd5 Nbd7

7.Bb2 Nb6 8.Nf3 Nfd5 9.Be2 Bd7 10.0–0 Nf6 11.Na3 c6 12.Qb3 a5 13.Nc4 Be6 14.Ng5 Bc4=+ 15.Bc4 Nc4 16.Qc4 h6 17.Nf3 Re8 18.Rfd1 Rb8 19.d3 Qe7 20.Nd4 Qc5 21.Qb3 Qh5= 22.Nf3 Be7 23.Be5+/– Rbc8 24.Qb7 c5 25.h3 g5 26.Qb5 (26.Qb5 g4 27.hg4 Ng4 28.Bf4+–) 1–0. Woelfelschneider,Peter – Mittag,Lothar, corr, 1985.

7.Bb2 Nd5 8.Nf3 Re8 9.Be2 N7f6 10.0–0 Qe7 11.Qc2 Bg4 12.a3 Bd6 13.Nc3 c6 14.d3 Rad8 15.Nd5 Nd5 16.Rab1 c5 17.Ba1 Nf4 18.ef4 Qe2 19.Qe2 Re2–/+ 20.Rb7 Bf3 21.gf3 Bf8 22.Rd1 a5 23.Bc3 a4 24.Ra7 Rc2 25.Ba5 Rc8 26.Bd2 c4 27.Ra4 c3 28.Bc1 f5 29.Re1 g6 30.d4 Rc7 31.Kf1 Kf7 32.h3 Be7 33.Kg2 Ra2 34.d5 Ra1 35.Ra6 Rd7 36.Bd2 ½–½. pierre – Renzo, internet, 2007.

7.Bc3 Bd6 8.Nf3 Nd5=+ 9.Be2 b6 10.0–0 Bb7 11.Qc2 Re8 12.d3 N7f6 13.Re1 Qe7 14.Nbd2 Ng4 15.e4 Nc3 16.Qc3 Rad8 17.h3 Ne5 18.Rab1 c5 19.Qb3 Nc6 20.Nc4 Bb8 21.Ne3 Qc7 22.Nf5 g6 23.Nh6=+ Kg7 24.Ng4 h5 25.Ngh2 Nd4 26.Qc3 Kg8 27.Qb2 Ne2 28.Qe2 Qd6 29.Rbd1 Ba6 30.e5 Qf8 31.Qe4= Re7 32.d4 cd4 33.Rd4 Bb7 34.Rd8 Qd8 35.Qh4 Re8 36.Qa4 Qc8 37.Rd1 Bc6 38.Qd4 Qe6–/+ 39.Qc3 b5 0–1. Chirpii,Alexandru (2015) – Vavric,Pavel (2205), Chisinau ULIM op, 2007.

7.Bb2 Nc5!

8.Qc2 Qd5 9.Bf6 gf6 10.Nc3 Qf5?? 11.Qb2?? Ba5= 12.Nf3 b5 13.Bb5 Rb8+= 14.Nd4 White launches an attack 14...Qg6 15.Qa3 Rb5 16.Ndb5 Bb4 17.Qa7 Bb7 18.Nc7 Rd8 19.N7d5 Bd5? 20.Nd5+/– Bd2 21.Kd2 Qd3 22.Ke1 Rd5 23.Qb8 Rd8 24.Qb2 Na4 25.Qf6 Rd5 26.h4 Nc3 27.Qf3 Ne4 28.Qg4 Kf8 29.Qc8 Rd8 30.Qd8 Qd8= 31.Ke2 Qf6 32.a4 Qb2 33.Kf3–/+ f5 34.Kf4 Qf2 35.Ke5 Ng3 36.Rhe1 Qg2 37.a5 Ke7 38.Kd4 Kd6 39.Kc4 Qc2 40.Kb5 Ne2 41.Kb6 Nc3 42.Rec1 Qb3 43.Ka7 h5 44.a6 Qb2 45.Rg1=+ Kc5 46.Ka8 Qb6 (46...Qb6 47.a7 Ne4=+). Nebe,Lutz – Burghardt,Michael, corr Lasker–Reti–Mem, 1992.

8.Qc2 Qd5 9.Bf6 gf6 10.Nf3 Bf5 11.Qb2 Qe4 12.Nc3+/– Bc3 13.Qc3 Qe7 14.Rc1 Ne4 15.Qb2 b6 16.d3 Ng5 17.Nd4 Bc8 18.Nc6+– Qd6 19.f4 Bb7 20.Na5 ba5 21.Qb7 Ne6 22.Qb2 Qb4 23.Qb4 ab4 24.Kd2 f5 25.Rg1 Kh8 26.g3 c5 27.Bh3+– Rac8 28.Bf5 c4 29.Rc4 Rc4 30.dc4 Rd8 31.Kc2 Nc5 32.Rd1 Rd1 33.Kd1 a5 34.Kd2 Kg7 35.e4 a4 36.e5 h6 37.Bb1 Ne6 38.Ke3 Nc5 39.f5 a3 40.Kd4 Na4 41.Bc2 Nc3 42.Bb3 Ne2 43.Kc5 (43.Kc5 Nc1 44.Kb4 Nd3 45.Ka3 Ne5 46.c5+–; 43.Kd5 Nc3 44.Kc5 Ne2+–) 1–0. Plonka,T – Nun,R (1785), corr Otrocki mem 3th, 1999.

8.Nf3 Qd5 9.a3 Ba5 10.Ne5?? Re8 11.f4 Be6 12.Nc3 Qd8 13.Be2 Bb3 14.Qc1 Be6 15.Qc2 Rb8 16.0–0= g6 17.Rfd1 Bb3–/+ 18.Qc1 Bd1 19.Qd1 Nce4 20.Nf3? Bb6 21.d3?? Nc3 (21...Nc3 22.Bc3 Be3 23.Kh1 Ng4–+) 0–1. Hasler,Ulrich – Breite,Wilhelm, CiF, 1989.

8.Nf3 Bf5

9.Be2 Nd5

10.0–0 Bd3 11.Ne5 Be2 12.Qe2 Na4 13.Ba3 Ba3 14.Na3 Qe7 15.Nec4 a6 16.Nc2 b5 17.Na5 c5 18.Qf3 Qc7 19.Qd5 Qa5 20.d4 Rfd8 21.Qf5 g6 22.Qf6 cd4 23.Nd4+= Re8 24.h4 Qd8 25.Qd8 Red8 26.Rac1 Kf8 27.Rc7 b4 28.Nc6+= Rdc8 29.Rc8 Rc8 30.Nb4 a5 31.Nd5 Rc2 32.Ra1 Nc5 33.f3 a4 34.h5 gh5+= 35.Kh2 ½–½. Teichmann,Erik – Le Blancq,Simon, Southampton, 1986.

10.0–0 Re8

11.a3 Ba5 12.d3 Qe7 13.e4 Nf4=+ 14.Be5 Ne2 15.Qe2 Bg4 16.Bc3 Bc3 17.Nc3 Nb3 18.Ra2 Nd4 19.Qe3 Nf3 20.gf3 Bh3 21.Rc1 Rad8 22.f4=+ Qh4 23.f3 Rd6 24.Nb5= Rg6 25.Kh1 c6 26.Na7 Qh5 27.Rc5 Qh4 28.d4 Ra8 29.Re5 Re6 30.Ra5 Qd8 31.Qc3 Qb8 32.Rh5 Rh6 33.Rh6 gh6 34.Ra1 Qa7–/+ 35.d5 Qa5?? 36.Qf6 cd5 37.Rg1 (37.Rg1 Bg2 38.Rg2 Kf8 39.Qd6 Ke8 40.Rg8#) 1–0. Brzoza,Miroslaw – Kwiek,Janusz, corr 1. AMM Poland, 1991.

11.a3= Ba5 12.d4 Ne4 13.Ne5 c5 14.Bc4 cd4 15.Qd4= Nef6 16.Rd1 Be4 17.Ng4 Bb6= 18.Nf6 Nf6 19.Qd8 Rad8 20.Nc3 Bc6 21.Bb5 Bb5 22.Nb5 Ne4 23.Bd4 Bd4 ½–½. Dopper,Johan – Simmelink,Joop, corr Netherlands, 1992.

11.d4 Ne4 12.Qb3 a5 13.a4 Bg4 14.Ba3 Nec3 15.Nc3= Nc3 16.Bc4 Bf3 17.gf3 Qg5 18.Kh1 Qh5 19.Kg2 c5 20.Rg1 Rac8 21.d5 Rcd8 22.Bb2 Nd5 23.Rad1 Ne7 24.Kf1 Nf5 25.Bd5 Kf8 26.Be4?? Rd1 27.Qd1 Re4! 28.Qd5 (28.fe4 Qd1) 0–1. Kozlov,Oleg – Rashkovsky,Nukhim, Novosibirsk, 1976.

6.cd5 Re8

7.Bc3 Nd5 8.Qc2 Nc6 9.Bd3 Bc3 10.Bh7 Kh8 11.Nc3 Nf6 12.Be4 Nb4 13.Qb1 Re4! 14.Ne4 Nd3 15.Kf1? Ne4–+ 16.Nf3 Ndf2 17.Rg1 Bg4 18.Qc2 Qf6 19.d4 Re8 20.Qe2 Nh3! 21.Rc1 Bf3 22.gf3 Nd2! 23.Ke1 Nf3 24.Kd1 Nhg1 25.Qd3 Nd4! (25...Nd4 26.Rc7 Ne6–+) 0–1. Bakkers,M – Zemitis,V, email b4–01–03, 2001.

7.Bb2 Nd5

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

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

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

7.Nf3 Nd5

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

8.Bb2 Nf4 9.Ne5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.cd5 Nd5 7.Nf3 Re8 8.Bb2 Nf4 9.Ne5).

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

6.Nf3 c5

7.Bb2 Be6 8.a3 Ba5 9.Qc2 +=.

7.Bb2 Bg4 8.Be2 (8.cd5 Nd5 9.a3=) 8...Bf3 (better is 8...dc4!? 9.a3 Ba5 10.Bc4 a6+=) 9.Bf3+= Nc6 10.cd5 Nd5 11.Nc3 (11.a3 Ba5+=) 11...Nc3 (11...Nde7 12.a3 Bc3 13.Bc3=) 12.Bc3 (12.dc3 Ba5+=) 12...Bc3= 13.dc3 Qf6 14.Qc1 (14.0–0 Qc3 15.Rb1 Rab8=) 14...Rac8 (14...Rad8 15.0–0=) 15.0–0= b6 (15...b5 16.Rb1 b4 17.cb4 cb4 18.Qb2 Qb2 19.Rb2=) 16.Rd1 (16.Qc2 Ne5 17.Bb7 Rb8=) 16...Rfd8 (16...Ne5 17.Be4=) 17.Bc6 (17.Qa3 Na5=) 17...Rc6+= 18.Qc2 (18.Rd8 Qd8 19.Rb1 Rd6+=) 18...Rcd6 19.Kf1 (19.Rd6 Qd6 20.Rf1 Qd3+=) 19...g6 20.Ke2 h5 (20...Qh4 21.Rd6 Rd6 22.h3–/+) 21.Rd6+= Rd6 22.Rd1 (22.h3 Qe5+=) 22...Rd1 23.Kd1 Qd6 24.Qd2 (better is 24.Ke2–/+) 24...Qd2 (better is 24...Qh2!? 25.Qd5 Qh4–/+) 25.Kd2= f5 (25...Kf8 26.Kd3=) 26.Kd3 b5 27.f4 (27.e4!?+=) 27...Kf7 28.e4 fe4 29.Ke4 Ke6 30.g3 a6 (30...a5 31.h3+=) 31.h3 a5 32.g4 h4 (32...b4 33.Kd3 Kd5 34.c4 Ke6 35.Kd2+=) 33.f5 (33.Kd3 Kd5–/+) 33...gf5–/+ 34.gf5 Kf6 ½–½. Fora,Jean_Paul – Bardin,Michel, Muret France, Open, 2016.

7.Qb3 Nc6=+ 8.Bb2 d4 9.Be2 Bf5 10.a3 Ba5 11.0–0 Re8 12.Nh4 Be6 13.a4 Qd6 14.Rd1 Rad8 15.Nf3 Bc7 16.ed4 cd4 17.Ba3 Qf4 18.d3–/+ Bg4 19.Bc1 Qf5 20.Qb7 Qe6–+ 21.Rf1 Re7 22.Qb5 Rb8 23.Qc5 Bb6 24.Qb5 Qe2 25.Nbd2? a6 26.Qa6 Nb4 27.Qb5 Ba7 28.Qa5 Nd3 29.h3 Bf3 30.Nf3 Ne4 31.Bg5 Reb7 32.Qf5 g6 33.Qd5 Nef2 34.Nd2 Rb2 35.Qf3 Qf3 36.Nf3 Ne4 37.Kh2 Ng5 38.Ng5 Re2 39.Rfb1 Rb1 40.Rb1 Ne1 41.Kg3 d3 0–1. Buczinski,Henryk – Orlov,Vladimir, corr IECG RM–2010–O–00049, 2010.

7.Qc2 Nc6=+ 8.cd5 Ne5 9.Ne5 Qd5 10.f4 a6 11.Nf3 Bf5–/+ 12.Qc4 b5 13.Qd5–/+ Nd5 14.Kf2 c4 15.a4 Be7 16.Nc3=+ Nc7 17.Nd4 Bd7 18.Be2 Bf6 19.Bf3 Bd4 20.ed4 Rab8 21.ab5= Bb5 22.d5 Rfd8 23.Rhb1 Ne8 24.Rb4 Nd6 25.Rab1 Kf8 26.g4 Ke7 27.Bd1 Rb7 28.Ke3 Rdb8 29.Ba4 Ba4 30.Rb7= Rb7 31.Rb7 Nb7 32.Na4 Kd6 33.Kd4 Na5 34.Nb6 Nb3= 35.Kc3 Kc5 36.Nc4 Nd4 37.f5 Nb5 38.Kd3 Kd5 39.Nb6 Kc5 40.Nd7 Kb4 41.f6 gf6 42.Nf6 a5 43.Nh7?? a4–+ 44.Nf6 Kb3 45.Ne4 a3 46.Nc5 Kb2 47.Na4 Kc1 48.Nc5 a2 49.Nb3 Kb2 50.Kc4 Nd4!! 51.Nd4 a1Q 52.Kd5 Qh1 53.Ke5 Qh2 (53...Qh2 54.Ke4 Qg2 55.Nf3 Qg4 56.Ke3 f5–+) 0–1. Vierbuchen – Nordbrink, corr Germany, 1981.

7.Nc3!? d4 8.Bf6 Qf6 9.Nd5. Svendsen.

7.Bd3 dc4 8.Bc4 Nc6 9.Bb2 Bg4 10.0–0 Ba5 11.h3= Bh5 12.g4 Bg6 13.Nh4 Kh8 14.Qf3 Nd7=+ 15.Qg3 Bc7 16.f4 Nb6 17.Bb3 Nb4 18.g5 Nd3 19.Bc3 Be4–/+ 20.Qg4 Nd5 21.Bd5 Qd5–+ 22.Qh5 f6 23.f5?? Qd6 24.Ng6 Kg8 25.Nf4 Bf5 26.gf6 g6 27.Qh6 Rf7 28.Na3 Qc6 29.h4? b5 30.h5 Nf4 31.ef4 b4 32.Rf2 bc3 33.hg6 hg6 0–1. Kaszynski,Bartlomiej – Stempin,Pawel (2405), Koszalin op B, 1998.

7.cd5 Qd5 8.Be2 Nc6 9.Bf6+= gf6 10.0–0 Bf5 11.d3 Rad8?? 12.a3+– Ba5 13.e4 Be4 14.de4 Qe4 15.Nbd2 Qf4 16.g3 Qh6 17.Ra2 Nd4 18.Nh4 Ne2 19.Qe2 Rd2 20.Nf5 Qg5 21.Rd2 Qd2 22.Qf3 Re8 23.Qb7 Bb6 24.Qc6 Re6 25.Qa8 Qd8 26.Qf3 Qd2 27.h4 Qe2=+ 28.Qa8 Re8 29.Qb7 Qe6 30.Qf3 Qe2 31.Qb7 Qe6 32.Qf3 Kh8 33.Kh2 Qe2 34.Qc3 Re6 35.Ne3 c4!–/+ 36.Qb4? Kg8–+ 37.Qc4 Re3 38.Qc8 Re8 39.Qc1 Bf2 40.h5 Be3 (40...Be3 41.Kh3 Bc1 42.Rf6 Re5 43.Rf2 Qf2 44.a4 Rh5 45.Kg4 Qe2#) 0–1. Arkell,Susan (2335) – De Kleuver,Esther (2130), Delden zt (Women), 1993.

7.Be2 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.Be2 c5 7.c4).

7.Be2 Nc6 8.Bb2 d4 9.a3 Ba5 (--> 7.a3 Ba5 8.Be2 Nc6 9.Bb2 d4).

7.0–0 Nc6

8.Bb2 a6 9.a4 Bf5 10.c3 Ba5 11.Ba3.

8.Bb2 Bf5.

7.a3 Ba5

8.Bc3 (8.cd5 Nd5 (worse is 8...Qd5 9.Bf6 gf6 10.Nc3+=) 9.Qc2 b6=) 8...d4 (8...Nc6 9.cd5 Nd5 10.Bb5+=) 9.ed4= Re8 10.Be2 Bg4 11.0–0 cd4 12.Ba5 Qa5 13.d3 Nc6 14.h3 Bh5 15.Nbd2 Rad8 16.Nb3 The isolani on d4 becomes a target 16...Qc7 17.Qc2 Qd6 18.c5 Qd5 19.Rfe1 Re2 20.Re2 (20.Qe2 Bf3 Double attack (20...Qb3 Deflection; 20...Bf3 Decoy; 20...Qb3 Overloading); 20.Re2 Bf3 Double attack (20...Bf3 Decoy)) 20...Bf3 21.gf3 Qf3 22.Rae1 h6 23.Nd2 (23.Kh2 Rd5 24.Rg1 Rh5–+) 23...Qh3–/+ 24.Nf1 Nh5 25.Re8 Kh7 26.Rd8 Nf4 27.f3 Nd8 28.Nh2 Qg3 29.Kf1 Nde6 30.c6 bc6 (30...bc6 31.Re4 f5 32.Re6 Ne6 33.Qc6 Nf4–+ (33...Qh2?! 34.Qe6 Qf4 35.Ke2–+)) 0–1. Slupski,Mark – Sutton,Alan B (2215), BCCA/2011/CanF (ENG), 2011.

8.Nc3 dc4=+ 9.Bc4 Nc6 10.Bf6 Qf6 11.Ne4 Qe7 12.Qc2 Bf5 13.Bd5 Ne5=+ 14.0–0 Rad8–/+ 15.Qb3 Nf3 16.gf3 Qd7 17.Nc3?? Bd3 18.Be4 Bc3 19.Qc3 Be4 20.Qc5?? Bf3 21.Qe5 Qd5 22.d4 Rd6 23.Rfc1 Rg6 24.Kf1 Qe5 (24...Qe5 25.de5 Rg2–+) 0–1. Pierred (2145) – Fritzchen (2360), Rated game, 2m + 0s, 2005.

8.Nc3 d4 9.ed4 cd4 10.Bd4= Bg4 11.Bf6=+ Qf6 12.Nd5 Qe6 13.Ne3 Rd8 14.Ra2 Bf3 15.Qf3+= Qb6 Black launches an attack 16.Rc2 Nc6 17.c5 Qc7 18.Qh5= Nd4 19.Rb2 g6 20.Qg5 Ne6 21.Nd5 Ng5 22.Nc7 Bc7 23.Rb7 Ba5 24.Bb5 Ne4 25.0–0 Nc5 26.Re7 Rd2 27.Bc4 Rc2 28.Bd5 Rd8 29.Ra7 Bb6 30.Ra8 Ra8 31.Ba8 Ra2 32.Bd5 Ra3 33.g3 Rd3 34.Bc4 Rd2 35.Re1 Nd3 36.Re8 Kg7 37.Bd3 Rd3 38.Kf1 Kf6 39.Ke2 Rc3 40.Rb8 Bc5 41.Rc8 Kf5 42.Kd2 Rc4 43.Ke2 f6 44.h3 h5 45.Rd8 Ba7 46.Ra8 Bb6 47.Rb8 Rb4 48.Kd3 Kg5 49.Kc3 Rb5 50.Kc4 Rb1 51.Kd3 Rb5 52.Kc4 Rb1 53.Kd3 Rb3 54.Ke4 f5 55.Kd5 Rd3 56.Kc4 Rd6 57.f4 Kf6 58.h4 Bf2 59.Rb3 Rd4 60.Kb5 Rd5 61.Kb4 Rd4 62.Kb5 Re4 63.Ra3 Re3 64.Ra6 Kg7 65.Rd6 Bg3 (65...Bg3 66.Kc4 Re4 67.Kd3 Rf4–+) 0–1. Pierred (2145) – Alkeoletile (2405), Rated game, 2m + 0s, 2005.

8.Nc3 Nbd7 9.Bd6 d4 10.ed4 Re8 11.Ne2 cd4 12.Nfd4 Qb6 13.c5 Nc5 14.Bc5 Qc5 15.Nb3 Qe5 16.Na5 Qa5 17.Qb3 Ne4 18.Qf3?? Qd2# 0–1. Macchiagodena,Maurizio – Ganesan,Arasu, corr, 1990.

8.Nc3 Nbd7 9.Bd6 d4 10.Ne2 Re8 11.Bf4 Nh5 12.Qb3 Nf4 13.Nf4 de3 14.fe3 Qf6 15.0–0–0 Qd8 16.Nd5 Nf6 17.Nf6 Qf6 18.Bd3 Rd8 19.Be4 Qe7 20.Qb1 h6 21.Bd5 Qe8 22.Rhf1 Be6–/+ 23.Be6 Qe6 24.Qb5 Bc7 25.Kb2 Rd3 26.Qa4 a6 27.Qc2 Rad8 28.Nd4 Qg6 29.Nf5 Kh8 30.Ne7?? Qb6 31.Kc1 Ra3 32.Qb2 Rb3 33.Qa2 Qb4 34.Nc6 bc6 35.e4 Rb8 36.Rf3 Qc4 37.Rc3 Rc3 38.dc3 Qc3 39.Qc2 Bf4 40.Rd2 Qa1 41.Qb1 Qb1# 0–1. Pierred (2220) – Akimus (2505), Friendly Game, 5m + 0s, 2005.

8.Nc3 Nbd7 9.Bd6 d4 10.Ne2 Re8 11.Bf4 Nh5 12.Qb3 Nf4 13.Nf4 Ne5 14.0–0–0 Bc7 15.Be2 Ng4 16.Nd3 Bf5 17.Rhf1 Bd6 18.h3 Nf6 19.g4 Be6 20.Rfe1 Qa5 21.Nfe5 Rab8 22.h4 Be5 23.Ne5 Ne4 24.Rf1 f6 25.Nd3 de3 26.fe3 b5 27.Nb2 Ng3 28.Bf3 Bc4 29.Nc4 bc4 30.Qc4 Kh8 31.Qa2 Re3!! 32.de3 Qc3 33.Qc2 Qe3 34.Rd2 Nf1 35.Qd3 Qd2 36.Qd2 Nd2 37.Kd2 Rb3 38.Bd5 Ra3 39.h5 a5 40.Kc2 g6 41.hg6 hg6 (41...hg6 42.Be6 Kg7–+) 0–1. Pierre (2130) – Xexeu (2595), Friendly Game, 3m + 0s, 2005.

8.Nc3 Nbd7 9.Bf6 Nf6 10.cd5 Nd5 11.Nd5 Qd5 12.Qa4 b6 13.Bc4 Qd6 14.Qc2 Bg4 15.Ng5 Bd2 16.Kf1 g6 17.Qb2 Be6 18.Ne6 fe6 19.Rd1 Rad8 20.Ke2 b5 21.Qb5 Rb8–/+ 22.Qa6? Rb6–+ 23.Qa4 Rb2 24.Kf1 Qe5 25.Be6 Qe6 26.f3 Qd5 27.Kg1 Be3 28.Kf1 Rf3! 29.Ke1 Bd2 30.Rd2 Qd2# 0–1. Pierre (2145) – Almighty (2380), Rated game, 3m + 0s, 2005.

8.Bd3 Nc6+= 9.Bf4 d4 10.Qc2 Bg4 11.Qd1?? (better is 11.Ng5 h6 12.Ne4+=) 11...de3–+ 12.Be2 (12.Bh7 Nh7 13.fe3–+) 12...ef2 13.Kf2 Bf3 14.Bf3 Qd4 15.Kg3 Qa1 16.Qe2 (16.Qb3 Ne5 17.Qb7 Qd4–+) 16...Rfe8 17.Qf2 Nd4 18.Rf1 (18.Kh3 Qa2 19.Rc1 Ne4–+) 18...Ne2! 19.Be2 (19.Qe2 Re2 20.Be2 Re8–+) 19...Ne4 (19...Ne4 20.Kf3 Nf2 21.Kf2 Qf6–+) 0–1. Haroldlee123 – marekt, chessworld.net, 2013.

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

8.h3 Nc6–/+ 9.Bb2 d4 10.Be2 Re8 11.ed4 cd4 (12.Ng5 d3–+) 0–1. Wong,Ray – Hind,Alan, corr 3GMM–22, 1995.

8.cd5 Nd5

9.Qc2 b6 10.Bd3 h6 11.Bc3 Nc3 12.Nc3 Bb7 13.Bh7 Kh8 14.Be4 Qe7 15.Bb7 Qb7 16.0–0 Nc6 17.Rab1 Rfd8 18.d3 Bc3 19.Qc3 Rd7 20.Rfc1 Ne7 21.Ne5+= Nd5 22.Qb2 Rc7 23.Rc4 Nf6 24.Ng4 Ng4 25.Rg4 f6 26.Qb3 Rd8 27.Qc2 Rcd7 28.Rb3 Qd5 29.h3 f5 30.Rf4 Rd6 31.d4 cd4 32.ed4 Rc6 33.Qb2 Rc4 34.Rb5 ½–½. b4_player – opponent, gamecolony.com, 2007.

9.Qc2 b6 10.Bd3 h6 11.Nc3 Nc3 12.dc3+= Bb7 13.0–0–0 Qc8 14.Bf5 Qc6?? 15.Rd6+– Qe8 16.Rh6! Bf3 17.Bh7 Kh8 18.Bg8! Kg8 19.Qh7# 1–0. lucya – mihmih, gamecolony.com, 2007.

9.Qc2 Nd7 10.Bb2 N5f6 11.Be2 b6 12.0–0 Bb7 13.d3 Re8 14.Nbd2 b5 15.Nb3 Bb6 16.a4 a6 17.ab5 ab5 18.Ra8 Ba8 19.Nfd2 Bd5 20.Ra1 Qc7 21.Bf3 Bf3 22.Nf3 h6 23.h3 Nd5 24.Nbd2 Qc6 25.Rd1 Nb4 26.Qc3 f6 27.e4 Ne5 28.Ne5 fe5 29.Nf3 Bc7 30.Bc1 Na2 31.Qa3 Nc1 32.Rc1 Bd6 33.Qa2 Kh7 34.Rb1 Qd7 35.Qd5 b4 36.Nd2 Rd8 37.Nc4 Qe7 38.Ne3 (< 38.Nd6 Qd6 39.Qd6 Rd6=+) ½–½. Boehnke,Hartmut – Ferreira,Luiz Antonio Tannus, EM/M/179 ICCF Email, 2002.

9.Qc2 Nd7 10.Bb2 N5f6 11.Be2 Bc7 12.Nc3+= b6 13.0–0 Bb7 14.a4 a6 15.d4 cd4 16.Nd4 Rc8 17.Rfd1 Qe7 18.g3 (18.Ba3 Qe5 19.g3 Rfe8+=) 18...Rfe8 (18...Nc5 19.Ba3 Rfd8 20.Rab1=) 19.Ba3+= Qe5 20.Qb3 (20.Rab1 g6=) 20...Bd8 (20...Nc5 21.Qa2=) 21.Rac1+= Nc5 22.Bc5 (22.Qb2 Ne6+=) 22...Rc5= 23.Bf3 Bf3 24.Nf3 Qh5 25.Kg2 Qf5 26.Ne2 Qc8 (26...Ne4 27.Rc5 Nc5 28.Qc4=) 27.Rc5+= bc5 28.Qc4 Qc6 29.h3 (29.Nc3 g6+=) 29...Ba5= 30.Nf4 h6 31.Nd5 Ne4 32.Nd4 Qa8 (32...Qd6 33.Nb3 Bb4 34.Nc3=) 33.Nf5+= Qb7 34.Nd6 (34.Qe2 Re5 35.Qg4 Ng5+=) 34...Nd6= 35.Qc5 Qb3 36.Rd4 Nf5 37.Rf4 Ne3 38.Ne3 Bd2 39.Qc6 Qe6 ½–½. Muri,Heinrich (2410) – Kameneckas,Kristijonas (2425), WCCC32SF05 ICCF, 2008.

9.Qc2 Nd7 10.Bd3 Ne5 11.Bh7 Kh8–/+ 12.Ne5 Qf6 13.Qc5 Qe5–+ 14.Qf8 Kh7 15.Qf7? Be6 16.Qb7 Rb8 17.Qa7 Bd2! 18.Kd2 Qb2 A double attack 19.Ke1 Nc3 20.Nc3 Qc3 21.Kd1 Rb2 (21...Rb2 22.Qg7 Kg7 23.h4 Qd2#) 0–1. Bonetti,Shane – Panter (2585), ICC, 2002.

9.Qc2 Bg4 10.Qc5 Nc6 11.Bb2 Rc8 12.Qb5 Nf4 13.Qg5 Qg5= 14.Ng5 Nd4 15.f3 Nc2 16.Kf2 Bf5 17.Ra2 Ne3 18.de3 Bb1 19.Ra1 Rc2 20.Kg3 Nh5 21.Kh4 Rb2 22.Kh5 Rc8 23.Kg4 Rc5 24.e4 Bc7 0–1. algy – Evoker, playchess.de, 2002.

9.Bc4 Nc6 10.Bb2 Nb6 11.Be2 Bf5 12.0–0 Bd3 13.Nc3 Nc4 14.Bd3 Nb2 15.Bh7 Kh7 16.Qb1 Nd3 17.Qb7 Qc7 18.Qa6 Bc3 19.dc3 Nde5 20.Qe2 Nf3 21.Qf3 Kg8 22.Rfd1 Rfd8 23.h3 Rab8 24.c4 Na5 25.Qg4 Rd1 26.Rd1 Rb3 0–1. phildo (1845) – bill32606 (1820), gameknot.com, 2013.

9.Bc4 Nc6 10.Bb2 Bc7 11.Nc3 Nb6 12.Be2 Bf5 13.Nb5 Bb8 14.Qc1 Na4=+ 15.0–0 a6 16.Nc3=+ Nb2 17.Qb2 b5 18.Rfd1 c4 19.e4 Bg4–/+ 20.Qc2?? Bf3–+ 21.Bf3 Nd4 22.Qb1 Qd6 23.Ne2 Qh2 24.Kf1 Qh1 25.Ng1 If White now only could play Qb2... 0–1. Gottert,H – Katz,Roland, Sala SVK, 1994.

9.Bc4 Bg4 10.h3 Bh5 11.g4 (11.0–0 Nc6 12.Bb2 Re8+=) 11...Bg6–/+ 12.0–0 h6 (12...Nb6 13.Be2–/+) 13.d4+= Nc3 (13...Nb6 14.Be2 cd4 15.Qd4+=) 14.Nc3= Bc3 15.Ra2 (better is 15.dc5!? Ba1 16.Qa1+/– (16.Ba1?! Kh7=)) 15...cd4 (15...Nc6 16.Qb3 Be4 17.Qc3 Bf3 18.Bg7=) 16.Bd4 Bd4 17.Qd4 Qd4 (17...Nc6 18.Qd8 Rfd8 19.Rc1=) 18.Nd4 (18.ed4 Rc8 19.Bd5 Nc6+=) 18...Be4 (18...Nc6 19.Nc6 bc6 20.Rd2+=) 19.f3+/– Bc6 20.e4 (20.Rd2 Rc8+/–) 20...Nd7+= 21.Nc6 (21.Rc1 Ne5+=) 21...bc6 22.Rd1 (22.Rc2 Rfd8+=) 22...Ne5= 23.Be2 Rfd8 24.Rad2 (24.Rd8 Rd8 25.Rb2 g5=) 24...Rd2 25.Rd2 g5 26.Kf2 Kg7 27.Ke3 (27.Rb2 Rd8=) 27...Rc8 (27...Rb8 28.Kd4 Rd8 29.Kc3 Rd2 30.Kd2+=) 28.Rc2 c5 29.f4 gf4 30.Kf4 f6 (30...Kf6 31.Bc4=) 31.h4 White prepares g5 (31.Ba6 Rc7=) 31...c4 32.g5 c3 33.gh6 (33.Kf5 Nd7=) 33...Kh6 34.Kf5? (34.Ke3 a5=) 34...Kg7?? (34...Nc6 35.Bd1 Nd4 36.Kf6 Nc2 37.Bc2 Rf8 38.Ke7–+) 35.h5 (35.Kf4 Ng6 36.Ke3 Nh4=) 35...Rc5 (better is 35...Nc6 36.Kf4 Nd4–+) 36.Ke6 (36.Kf4 a5=) 36...a5 (36...Nf7 37.Bd3=) 37.Kd6 Rc6 38.Kd5 Rc7 39.Kd4 Kh6 (better is 39...Nc6 40.Ke3 Ne5=) 40.Rc3+/– Rc3 (40...Rb7 41.Kd5+/–) 41.Kc3+– Kg5 42.Kd4 1–0. Hilbert,Stephan J – Budnar,Milos, FICGS, 2014.

9.Be2 Nc6 10.Bg3 Be6 11.0–0 Qe7 12.Qa4 a6 13.Ne5 Ne5 14.Qa5 Nc6 15.Qa4 b5 16.Qc2 Rac8 17.d3 Rfd8 18.Nd2 Nb6 (18...Bf5!? 19.Qc1 Nb6–/+) 19.Rfc1= Na4 20.Qb1 Na5 Black plans c4 21.Bd1 Nb6 22.Nb3 Nb3 23.Bb3 c4 24.dc4 Nc4 (worse is 24...bc4 25.Bc2 Nd7 26.Bh7 Kh8 27.Be4+=) 25.Bc4 Rc4 26.Rc4 Bc4 27.Qb4 Qf6 28.Rb1 h5 29.h3 h4 30.Bf4 g5 31.Bc7 Rd7 32.Qc5 Rd2 33.e4 Bd3 34.e5 Qf5 35.Rc1 Bc4 36.Qe3 Rd3 37.Qb6 Rd2 38.Qe3 Rd3 39.Qb6 Ra3 40.Bd6 Ra2 41.Re1 a5 42.Be7 a4 43.Bf6 Kh7 44.Rd1 a3 45.Qe3 Re2–+ 46.Qc5 a2 47.f4 Qe4 (47...Qe4 48.Qf2 Rf2 49.Kf2 Qe2 50.Kg1 Qd1 51.Kh2 a1Q 52.fg5 Qg1; 47...Qc2 48.Qd5 Bd5 49.Rd2 a1Q 50.Kh2 Rg2 51.Rg2 Qg2) 0–1. Morriss,P (2010) – Fox,An (2105), Dublin IRL, e2e4 Masters, 2013.

9.Qb3 Nc6

10.Bb2 Qb6 11.Bc4 Qb3=+ 12.Bb3 Nce7 13.0–0 Bf5 14.d4 Bd3 15.Rc1+= cd4 16.Bd4 Rfc8 17.Rc8 Rc8 18.Nbd2 Bc3 19.Rc1+= a6 20.Ne5+/– Bg6? 21.Ng6 Bd2 22.Rc8 Nc8 23.Bd5 hg6 24.Bb7 Nd6 25.Ba6 Kf8 26.Bc5 Ke7 27.Bc8 Ba5 28.e4 f6 29.f4 Bc3 30.h4 Bd4 31.Bd4 Nc8 32.Kf2 (32.Kf2 Kd6 33.a4+–; 32.a4 Kd7+–) 1–0. Kucharkowski,Jens – Knaebchen, corr DDR–chJ12, 1987.

10.Bb2 Bf5 11.Be2 Rb8 12.Nc3 Bc3 13.Bc3 b5 14.0–0 Qd6 15.d3 Rfd8 16.Qb2 Nc3=+ 17.Qc3 Rbc8 18.Rfc1 Ne7 19.a4 b4–/+ 20.Qe5 Qe5–+ 21.Ne5 f6 22.g4 fe5 23.gf5 a5 24.e4 Rd6 25.Ra2 g6 Black gets the initiative 26.Rac2 Rdc6 27.f4 gf5 28.ef5 Kf7 29.Bf3 R6c7 30.fe5 Nf5 31.Bd5 Ke7 32.Kf2 Nd4 33.Rb2 (33.Rc4 b3=+) ½–½. Kucharkowski,Jens – Hintzsche,Ingolf, corr DDR, 1981.

9.Qc2 Nc6

10.Bb2 b6 11.Bd3 f5 12.Bc4 =.

10.Bb2 Qd6 11.Nc3 Nc3 12.Bc3 Bc3 13.dc3 Bg4 14.Ng5 Qh6 15.h4 Rad8 16.Qe4 Bh5=+ 17.Bb5 Na5 18.g4 a6 19.gh5 ab5 20.Qb1 c4 21.Qb5 Nb3 22.Rb1 Qf6 23.Ne4 Qf3 24.Ng3 Rd5 25.Qc4 Nd2 26.Qb4 Rfd8 27.c4 Ne4 28.0–0 Ng3 29.Kh2 Rd2 (29...Rd2 30.Qd2 Nf1 31.Rf1 Rd2–+) 0–1. Pierred (2155) – Proximo (2605), Rated game, 5m + 0s, 2005.

10.Bb2 Qd6 11.Bd3 h6 12.0–0 Bg4 13.Ne1 (13.Rc1 Bf3 14.gf3 Bb6=) 13...Rad8+= 14.Bc4 (14.Nc3 Nf6+=) 14...a6 15.f3 Be6 16.Be2 (16.Nd3 Ne3 17.de3 Bc4 18.Qc4 Qd3 19.Qc5 Qb3–+) 16...Rfe8 17.Nd3 (17.f4 Bc8–/+) 17...c4! 18.Nf2 (18.Qc4 Ne3 Decoy) 18...b5 19.Ne4 Qe7 20.Nec3 (20.a4 Bf5–/+) 20...Nf6 (20...Nc3 21.Nc3 Bf5 22.Qc1–/+) 21.Rd1 Bb6 22.Ne4 Nd5 23.Qc1 (23.Nbc3 Be3! 24.de3 Ne3–/+) 23...f5–+ 24.Nec3 (24.Nf2 f4 25.e4 Nd4 26.Bd4 Bd4–+) 24...f4 25.Nd5 Bd5 26.Nc3 fe3 27.d3 (27.Kh1 Bf7 28.Ne4 Nd4–+) 27...Nd4 28.dc4 Ne2 (28...Bc4 29.Bc4 bc4 30.Re1–+) 29.Ne2 Bc4 (worse is 29...bc4 30.Qc3–+) 30.Qc2 (30.Re1–+) 30...Rd2 31.Qg6 Rb2 32.Qb6 Re2 (32...Be2 33.Rdb1 Rd2 34.Qc6–+) 33.Rd4 (33.Qg6 Qe6 34.Qg3 Rd2–+) 33...Qf6 (better is 33...Qa3 34.Rdd1 Ra2–+) 34.Qa7 (34.Qf6 gf6 35.Rg4 Kf7 36.Rh4–+) 34...Rd2 35.Qd7 Re7 36.Qd8 Kh7 37.Rd2 ed2 (37...ed2 38.Qd2 Qa1 39.Kf2 Qf1 40.Kg3 Re2 41.Qe2 Qe2–+) 0–1. Frosinos,I (1730) – Baron,Ta (2465), Rethymno GRE, 5th Open, 2013.

10.Bb2 Qd6 11.Be2 Nde7 12.0–0 Bf5 13.d3 Rfd8 14.Rd1 Rac8 15.Nbd2 Bd3 16.Bd3 Qd3 17.Qc5 Rd5 18.Qc4 Rcd8 19.Nd4 Qc4 ½–½. Boehnke,Hartmut (2135) – Hansen,Kim Holm (2230), WS/M/078 ICCF, 2006.

10.Bb2 Be6 11.Qc5 Rc8 12.Nd4 (12.Qb5 Qe7=) 12…Qf6 (12...Qf6 13.Qb5 Nd4 14.Bd4 Rc1 15.Ke2 Qf5–+). Vieito Soria,Luis M – Ruhle,Ernst_Olav, corr ICCF TT–6–02–1, 2003.

10.Bb2 Re8 11.Bc4 Ne3 (better is 11...Bc7=) 12.fe3+/– Re3 13.Kd1 Bg4 (13...g6 14.Nc3 Bh3 15.Re1 Re1 16.Ne1 Bg4 17.Nf3+=) 14.Kc1 (14.Bf7!? Kh8 15.Rf1+/–) 14...Re8+= 15.Rf1 Bf3 16.gf3 (16.Qf5!? Re7 17.Rf3+/– (17.gf3?! Nd4 18.Qg4 g6+=)) 16...Nd4= 17.Qd3 Qh4 (17...Qc7!?=) 18.Bd4+= cd4 (18...Qd4 19.Qd4 cd4 20.Kc2+=) 19.Ra2 (19.Qf5 Rac8 20.Qf7 (worse is 20.Qa5 Rc4 21.Kb2 Rec8–/+) 20...Kh8 21.Kd1+=) 19...Re7= 20.Rc2 Qf4 21.h3 a6 22.Kb2 Rd8 23.Rcc1 Rde8 24.Bb3 g6 25.Rc4 Bc7 26.Rfc1 (26.Qd4?? Be5 27.Qe5 Qe5 28.Nc3 Rd7–+) 26...Kg7 (26...Qh2 27.Qf1= (27.Qd4?? Be5–+)) 27.Ka2 (27.Nc3 Rd8+/–) 27...Rd8 28.a4 b5 29.Rc6 ba4 30.Ba4 Ba5 31.R1c2 Re1 32.Rb2 Rh1 33.Qa6 Bc7 34.Rb7 Be5 35.Bb3 Rf8 36.Qb5 d3 37.Qd3?? Ra8–+ 38.Ra6 Ra6 39.Qa6 Qd2 40.Ka3 Rb1 41.Rf7 Kh6 42.Qc4 Ra1 43.Ba2 Qb2 (43...Qb2 44.Ka4 Ra2 45.Qa2 Qa2 46.Kb4 Qf7–+; 43...Qa5 44.Kb3 Qa2 45.Kb4 Qa3 46.Kb5 Rb1 47.Qb4 Qb4 48.Kc6 Qd6#) 0–1. Gorovets,Andrey (2470) – Jussupow,Artur (2610), Warsaw Poland, EUR Rapid Ch, 2012.

10.Qc5 Ne5 11.Ne5 Bf5 12.Nc3 Bc3 13.dc3 Re8 14.Nf3 Rc8 15.Qa7 Nc3 16.Qb7+/– Be4 17.Qb2 Bf3 18.gf3 Qa5 19.Bh3 Rb8 20.Qc2 Nd5 21.Qd2 Qd2 22.Kd2+/– Rb2 23.Ke1 Ne3 24.fe3 Re3 25.Kd1 Rf3 26.Bf1 Rff2 27.h4+– Ra2 28.Ra2 Ra2 29.Rh3 Ra1 30.Ke2 h6 31.h5 g5 32.hg6 fg6 33.Bg2 Kg7 34.Bc6 h5 35.a4 Kh6 36.Be8 Ra2 37.Kd1 Ra1 38.Kd2 Ra2 39.Kc1 Re2 40.Bb5 Re5 41.Rb3 g5 42.a5 g4 43.a6 Rc5 44.Kd2 Rc7 45.Bd3 g3 46.Rb7 g2 47.Rc7 (47.Rc7 g1Q 48.Rh7 Kg5 49.Rg7 Kf6 50.Rg1 Ke7 51.a7 Ke6 52.a8Q Kf7 53.Qd8 Ke6 54.Rg5 h4 55.Bc4#) 1–0. Scholbach,Tillmann – Roe,Philip, C1.1998.0.00172, 1998.

10.Bd3=.

10.Bb2 Qe7

11.Bb5 Bd7 A) 12.0–0 Bg4 13.Be2 (13.Kh1 Rac8 14.Nc3 Nc3 15.dc3 Bc7 16.h3 Bf3 17.gf3 Qh4 18.Kg2; 13.Rc1 Bf3 14.gf3 Qg5 15.Kh1 Qh5 16.Qe4 a6 17.Rc5 Bc7 18.h4; 13.Ne1 Qd6 14.Nd3 Bc7 15.g3 a6 16.Bc6 Qc6 17.Qc5 Be2 18.Qd4) 13...g6 14.Nc3 Nc3 15.Bc3 Bf5 16.Qb3 Bc3 17.Qc3 Rfd8 18.Rac1; B) 12.Nc3 Nd4 13.Nd4 Bc3 14.dc3 cd4 15.Bd7 dc3 16.Rd1 Rad8 17.Rd5 cb2 18.0–0; C) 12.Bd3 C1) 12...g6 13.0–0 (13.Nc3 Bc3 14.Bc3 Bg4 15.Be2 Nc3 16.Qc3 Bf3 17.Bf3 Nd4 18.Bd1; 13.Be4 Nb6 14.0–0 c4 15.Nc3 f5 16.Bc6 Bc6 17.Nd4 Rf6 18.Rad1) 13...Bg4 14.Be4 Rfd8 15.h3 Bf3 16.Bf3 Rac8 17.Bd5 Rd5 18.Nc3; C2) 12...h6 13.0–0= (13.Bh7 Kh8 14.Be4 Be6 15.0–0 f5 16.Bd3 Rad8 17.Bb5 Kh7 18.Nc3; 13.Be4 Qe6 14.0–0 Rac8 15.Bd3 Nce7 16.Nc3 Nf6 17.Be2 c4 18.Nd4) 13...Bg4 14.Bh7 Kh8 15.Be4 Rad8 16.h3 Bh5 17.Nc3 Bc3 18.Bc3.

11.Bb5 Bg4 12.Bc6 Bf3 13.gf3 bc6 14.Rg1 (14.Nc3 Rab8 15.Rg1 g6 16.Kf1 Rfd8 17.Ne4 f5 18.Ng3) 14...g6 15.Kf1 (15.Nc3 Rab8= (15...Rfe8 16.Kf1 Rab8 17.f4 c4 18.Na4) 16.Kf1 Rfe8 17.f4 Qe6 18.Na4) 15...Rfd8 (15...Rab8 16.Nc3 Rb7 17.Na4 Rfb8 18.Rb1) 16.Nc3 Bc3 (16...Rab8 17.Ne4 f5 18.Ng3) 17.Bc3 Nc3 18.Qc3 Rd5 19.Rc1 (19.e4 Rd7=) 19...Rad8+= 20.Rg4 Rd2 21.Qc5 Qc7 22.Rg3 Qb7 23.f4 (worse is 23.Qc6 Qb2 24.Kg1 Rf2–/+ (worse is 24...Qa3 25.Rg5–/+)) 23...Rd1 24.Rd1 Rd1 25.Ke2 (25.Kg2 Qa6 26.Qe7 Qf1 27.Kf3 Qh1 28.Kg4 Qh2 29.Qe8 Kg7 30.Qe5 Kf8 31.Qb8 Ke7 32.Qc7 Ke8 33.Qc6 Rd7+=) 25...Rd5 26.Qc4 c5 (26...Rh5 27.h3+=) 27.a4 Qd7 28.Kf3 Rh5 29.Kg2 Qb7 30.e4 Rh4 31.Rd3 Rf4 32.Rd8 Kg7 33.Qc3 Rf6 34.Qe5 Qb3 35.Qc5 Qf3 36.Kg1 Rf4 37.Qd4 Kh6–/+ 38.Qe3 Qe3–+ 39.fe3 Re4 40.Rd7 f5 41.Ra7 Re3 42.Kg2 g5 43.h3 Kg6 0–1. (38) Boehnke,Hartmut (2150) – Eiben,Pavel (2520), Champions League, 2007.

11.Nc3 Nc3 12.Bc3 Bc3 13.Qc3 Bg4 14.Be2 Rac8 15.Rb1 b6 16.h3 Bh5 17.Rb2 Rfd8 18.0–0 Rd6 19.Rd1 Rcd8 20.d3 h6 21.Rbd2 Bg6 22.d4 cd4 23.Nd4 Nd4 24.Rd4? (better is 24.ed4!? Re6 25.Bg4 Re1 26.Re1 Qe1 27.Kh2=) 24...Rd4–/+ 25.Rd4 Rd4 26.Qd4 Qa3 27.Kh2 Qa2 28.Qd1 a5 29.h4 Qc2 30.Qf1 h5 31.g4 hg4 32.Bg4 Be4 33.Kg3 Qc7 34.f4 Qc2 35.Bf3 Qc6 36.Be4 Qe4 37.Qc1 a4 38.Kf2 b5 39.Qc8 Kh7 40.Qd7 Qc4 41.Qf5 Kg8 42.h5 b4 43.h6 gh6 44.Qg4 Kh8 45.Qh4 Qc2 46.Kf3 Qc6 47.Kf2 Kh7 48.Qe7 Qc4 49.Qd7 b3 50.Qf5 Kg8 51.Qf6 Qc2 52.Kf3 Qg6 53.Qe5 Qe6 54.Qb8 Kh7 55.Qb4 Qc6 56.Kg3 Qe6 57.Kf2?? Qf5–+ 58.Qa4 b2 (58...b2 59.Qd1 b1Q 60.Qb1 Qb1–+) 0–1. Koerner,Helmut (1945) – Plump,Detlef (2255), Berlin Lichtenberger op 8th, 2009.

11.Bd3 f5 12.0–0 Be6 13.Rc1 b6 14.Bb5 Nd8 15.Bc4 Nc6 16.e4 fe4 17.Qe4 Rf4 18.Qd5 Bd5 19.Bd5 Kh8 20.Bc6 Raf8 21.Re1 Qd6 22.Bb7 R4f5 (22...Qd7!? 23.Be4 Re8+=) 23.Be4+/– Rh5 24.Nc3 c4 25.h3 b5 26.Rad1 a6 27.Re3 Qf6 28.Bc2 Kg8 29.Rde1 Bc7 30.Re7 Bd6 31.Rd7 Rf7?? (31...Rb8+–) 32.Re8 Bf8 33.Rdd8 Qb6 (33...Re7 34.Nd5 Rd5 35.Bf6 Re8 36.Re8 gf6+–) 34.Be4 Qc5 35.Bd5 Rd5 36.Nd5 (worse is 36.Rd5 Qa7 37.Rdd8 h6+–) 36...h6 (36...h5 37.Ng5 Qf2 38.Kh2+–) 37.Ne5 Qf2 38.Kh2 g5 (38...a5+–) 39.Nf7 (39.Nf7 Qf7 40.Nf6 Kg7 41.Nd7 Kh7 42.Rf8 Qf4 43.Rf4 gf4 44.Ra8+–) 1–0. usingprogram (2005) – 1002pobie, kurnik, 2013.

11.Bd3 f5 12.0–0 Be6 13.Rc1 b6 14.Bc4 Rac8 15.Qb3 Rcd8 16.d4 cd4 17.Bd4 Rd6 18.Nc3 Bc3 19.Bc3 f4 20.Be1 Bf7 21.e4+/– Nf6 22.Bf7 Rf7 23.e5! Ne5 24.Rc8 Ne8 25.Bb4 Nf3 26.Qf3 Rf8 27.h3 Qd7 28.Bd6 Qc8 29.Bf8 Kf8 30.Qf4 Nf6 31.Rc1 Qd8 32.Rc7 g5 33.Qb4 Kg8 34.Ra7 Kh8 35.Qb3 Qd2 36.Qb6 Qc1 37.Kh2 Qf4 38.g3 Qf5 39.Qd4 Qe6 40.Rb7 (40.Rb7 h6 41.Rb6 Qb6 42.Qb6+–) 1–0. marekt – STEVIE83, chessworld.net, 2007.

11.Bd3 g6 12.0–0 Rd8 13.h3 Be6 14.Rc1 Rac8 15.Bf1 Nb6 16.d3 Bd5 (16...Bf5 17.Nc3=) 17.Nbd2= (worse is 17.Qc5 Qc5 18.Rc5 Na4–/+) 17...Nd7 18.Nb3 Bb6 19.a4 (19.Be2 Nde5 20.Nbd2 Bc7=) 19...Nb4 (19...Bf3 20.gf3 Nde5+=) 20.Qc3= f6 21.e4 Bf7 (21...Be6 22.Ba3 a5 23.Bb2+=) 22.a5 (22.Ng5 Rc6=) 22...Bc7 23.Nc5 Na2 24.Ra2 Ba2 25.Qa3 Nc5 26.Qa2 Qe6 (26...Kg7 27.e5 fe5 28.d4+=) 27.Rc4 Nd3 28.Bf6 Rd7 29.Ne5 Ne5 30.Be5 Rd1 31.Qb3 Re1 32.Qc3 Qe5 33.Qe5 Be5 34.Rc8 Kf7 35.Ra8 Bd4 36.Rb8 Re4 37.Rb7 Ke6 38.Bc4 Kd6 39.Rh7 Rf4 40.Rf7 Bf2 41.Kf1 Bg3 42.Rf4 Bf4 43.a6 g5 44.Kf2 Kc5 45.Be2 Bc7 46.Kf3 Kd4 47.Kg4 Ke3 48.Bd1 Bd8 49.Bf3 Kd4 50.Kf5 Be7 51.g3 Bd8 52.Bd1 Ke3 53.Bh5 Kd3 54.Bg4 Ke3 55.Bd1 Be7 56.Bh5 Bd6 57.Kg5 Bg3 58.h4 Bh4 59.Kh4 Kd3 ½–½. Graham,Stuart (2175) – Lahdenmaeki,Leo (2070), Ernst Nielsen Memorial, 2009.

11.Be2 Rd8 12.0–0 Bg4 13.Nc3 Nc3 14.Bc3 b6 15.Rfd1 Bc3 16.dc3 Bh5 17.Bd3 Bf3 18.gf3 (18.Bh7? Kh8 19.gf3 g6 20.Bg6 fg6 21.Rd8 Rd8–+ (21...Qd8?! 22.Qg6 Qg8 23.Qg8 Rg8 24.Kf1+=)) 18...Kh8 19.Be4 (19.Bh7? g6 20.Bg6 fg6 21.Rd8 Rd8–+ (21...Qd8?! 22.Qg6 Qg8 23.Qg8 Rg8 24.Kf1+=)) 19...Rac8 20.f4 (20.Bh7? g6 21.Bg6 fg6 22.Rd8 Rd8–+ (22...Qd8?! 23.Qg6 Qg8 24.Qg8 Rg8 25.Kf1+=)) 20...Na5 21.c4 (worse is 21.Bh7 g6 22.Bg6 fg6 23.Rd8 Rd8–+ (23...Qd8?! 24.Qg6 Qg8 25.Qg8 Rg8 26.Kf1+=)) 21...Rd1 22.Rd1 Re8 23.Rd5 (23.Bh7? g6 24.Bg6 fg6–+) 23...Rd8 (23...Qe4?? 24.Qe4 Rg8 25.Rd7+–) 24.Qd3 Rd5 25.Bd5 Kg8 26.Qf5 g6 27.Qe5 Qd7 28.h3 Nb7 29.f5 gf5 30.Qg3 Kf8 31.Qb8 Nd8 32.Qe5 Kg8 33.h4 Ne6 34.Qf5 Qe7 35.h5 h6 36.Be6 fe6 37.Qg6 Qg7 38.Qg7 Kg7 39.f4 e5 40.fe5 Kf7 41.Kf2 Ke6 42.e4 Ke5 43.Ke3 a6 44.a4 a5 45.Kf3 Kd4 46.Kf4 Kc4 47.e5 Kd5 48.Kf5 c4 49.e6 Kd6 50.Kf6 c3 51.e7 Kd7 52.Kf7 Kc7 53.e8Q c2 54.Qe5 Kc6 1–0. Wolf,Wolfgang (2175) – Hirmer,Matthias (2195), GER–ch36 V2 email, 2004.

11.Be2 Bg4 12.0–0 Rad8 13.h3 Bh5 14.Nc3 Nc3 15.Bc3 Bc3 16.Qc3 b6 17.Rfe1 Rd6 18.d4 cd4 19.Nd4 Be2 20.Nc6 Qe4 21.Rac1 Ba6 (21...Rg6 22.Ne7 Qe7 23.Re2=) 22.Qb4 Qb4 23.ab4 Ra8 24.Red1 Rd1 25.Rd1 Kf8 26.Ra1 Bb7 27.Na7 Ke7 28.g4 Bd5 29.Kh2 Ke6 30.Kg3 h6 31.f3 Bb7 32.Ra3 g6 33.e4 f6 34.Kf4 1–0. forsetinn (2365) – rlcpw (2135), gameknot.com, 2014.

11.Be2 g6 12.0–0 Bf5 13.Qb3 Rad8 14.Rc1 a6 (14...Rfe8 15.Bb5=) 15.Nc3 (15.Qc4 Bb6+=) 15...Nb6 16.Rd1 Rd7 (16...Qe6 17.Qe6 fe6 18.d3=) 17.Rac1 (17.d4 cd4 18.Nd4 Nd4 19.Rd4 Rd4 20.ed4 Re8=) 17...Rfd8 18.h3 (18.Nb1 Bd3 19.Bd3 Rd3=) 18...Bd3+= 19.Ba1 c4 20.Qb2 Ne5 21.Ne5 Qe5 22.Qa2 Qd6 (22...Qe6 23.Bd3 Rd3 24.Nb1+=) 23.Bd3= Qd3 (23...cd3? 24.Ne4 Qe6 25.Qb2+–) 24.a4 (24.Nb1 Rd6=) 24...Rc8 25.f3 Nd5 (25...Bc3 26.Bc3 Nd5 27.Qb1+=) 26.Ne4 1–0. Buczinski,Henryk – Svartbo,Martin, IECG, 2010.

11.Be2 g6 12.0–0 Bf5 13.Qb3 Rfd8 14.Nc3 Nc3 15.Bc3 Be6 16.Qa4 Bc3 17.dc3 Kg7 18.Rfd1 Rd1 (18...Qf6 19.Qc2=) 19.Rd1 Rd8 20.Rd8 Qd8 21.Qb5 Qe7 22.h3 f6 23.Nd2 Ne5 24.f4 Nf7 25.Qd3 Nd6 26.e4 b6 27.Kf2 Bd7 28.Qe3 White prepares e5 28...h6 29.e5 Nf5 30.Qe4 fe5 31.fe5 (31.Qe5 Kh7+=) 31...Qh4 (31...Be6!?=) 32.Qh4+= Nh4 33.g3 Nf5 34.Bc4 g5 35.Nf3 (35.g4 Ne7 36.Ne4 Ng6=) 35...Ne7= 36.h4 gh4 37.Nh4 b5 38.Be2 Bc6 39.Ke3 Kf7 40.Bg4 a6 41.Nf5 Nf5 42.Bf5 Ke7 ½–½. pierred (2795) – pcmvr, net–chess.com, 2016.

11.Be2 g6 12.0–0 Bf5 13.Bd3 Bd3 14.Qd3 Rad8 15.Qc2 b5 16.d3 Ne3 17.fe3 Qe3 18.Kh1 Qd3 19.Qc1 Nd4 20.Nd4 cd4 21.a4 b4 22.Qd1? (better is 22.Nd2 Rc8 23.Qd1=) 22...Qd1–/+ 23.Rd1 d3 24.Nd2 Rfe8 25.Rab1 Rd5 26.Bc1 Re2 27.Nf3 Ra2 28.Be3 Ra4 29.Ba7 Ra3 30.Kg1 h6 31.Be3 g5 32.h3 f5 33.Ne1 Kf7 34.Kf1 g4 35.h4 h5 36.Bc1 Rc3 37.Bd2 Ra3 38.Bb4 Bb4 39.Rb4 Kf6 40.Rb2 Ke5 41.Kf2 f4 42.Rbd2 Ke4 43.g3 fg3 44.Kg3 Rc5 45.Rd3 Rcc3 46.Rc3 Rc3 47.Kf2 Rh3 48.Ng2 Rf3 49.Kg1 Ra3 50.Rf1 g3 51.Ne1 Ra2 52.Rf7 Ke3 53.Ng2 Ke4 54.Kf1 Ra1 55.Ne1 Ra2 56.Rf8 Rb2 57.Re8 Kf5 58.Rg8 Rb4 59.Ng2 Rb3 60.Ke2 Ra3 61.Ne3 Kf4 62.Rf8 Ke4+/– 63.Ng2 Ra2 64.Kf1 Ra1 65.Ne1 Ra2 66.Rf7 Rb2 67.Re7 Kf5 68.Rg7 Rb4 69.Ng2 Rb1 70.Ke2 Rb3 71.Ne3 Kf4 72.Rf7 Ke4 73.Nc4 Rb4 74.Nd2 Ke5 75.Nf3 Ke4 76.Kf1 Rb2 77.Ng5 Ke5 78.Rf8 Ra2 79.Kg1 Rc2 80.Rf7 Ra2 81.Rb7 Rc2 82.Rb5 Kf4 83.Ne6 Ke4 84.Rb4 Ke3 85.Rb3 Ke4 86.Rg3 Rc4 87.Nf8 Rc2 88.Rg2 Rc3 89.Kh2 Rc4 90.Kh3 Rc3 91.Rg3 Rc1 92.Ra3 Rb1 93.Ne6 Ke5 94.Ng5 Rb5 95.Nf3 Kf4 96.Nd2 Kf5 97.Rg3 Kf4 98.Nf1 Ra5 99.Rg8 Rc5 100.Ng3 1–0. Rook,Detlef (2270) – Salzmann,Stefan (2145), CP–2008–Q–00012, 2010.

11.Be2 g6 12.0–0 Bf5 13.Bd3 Bd3 14.Qd3 Rfd8 15.Qc2 Rac8 16.d3 Bc7 17.Nbd2 b5 18.Rac1 Ne5 19.Ne5 (19.Qc5?? Nf3 20.Kh1 Nd2–+) 19...Be5 20.Be5 Qe5 21.Ne4 c4 22.d4 (22.dc4?? Rc4 (22...bc4?! 23.Rfd1=) 23.Qb1 Qe4 24.Qe4 Re4–+) 22...Qe7 23.Qb1 a6 24.Nc5 Qd6 25.Qb2 Qc6 26.Rb1 f5 27.Rfc1 Qf6 28.g3 Kg7 29.Qc2 Qc6 30.a4 Rb8 31.Qe2 Kh8 32.Qe1 Re8 33.Qa5 Rb6 34.Qe1 Qd6 35.Qa5 Reb8 36.Ra1 Rc8 37.Rab1 Qc6 38.Qe1 c3 39.ab5 ab5 40.Rc3 Nc3 41.Qc3 Qd5 42.h4 Rcb8 43.Qb4 Ra8 44.Nd3 Qe4 45.Qb3 b4 46.Nc5 Qc6 47.Rc1 Qd6 48.Kh2 Ra7 49.Qc4 Re7 50.Rb1 Kg7 51.Rb4 Rb4 52.Qb4 Qd5 53.Qb6 Qa2 54.Kg1 Qf7 55.Qd8 Qf8 56.Qd5 Qf6 57.Qc4 Qd6 58.d5 Re5 59.Ne6 Kf6 60.Nf4 Kf7 61.Qc8 Re8 62.Qc2 Re7 63.Qb2 Qe5 64.Qb6 Qc7 65.Qb3 Qd6 66.Kh2 Rd7 67.Qc3 Qf6 68.Qc4 Qd6 69.Qc8 h5 70.Kg2 Qe7 71.Qc6 Qd6 72.Qb5 Ra7 73.Qb3 Rd7 74.Qb2 Qe7 75.Qh8 Qf6 76.Qa8 Qe5 77.Kg1 Qd6 78.Kh2 Qe5 79.Qa4 Rd6 80.Qc4 ½–½. Degterev,Pavel (2225) – Fages,Jorge Juan (2140), SM–2010–0–00110, 2010.

11.Bd3 h6

12.0–0 Be6 13.Rc1 Bb6 (13...b6 14.Bb5 Nd8 15.Bc4=) 14.Nc3 Rad8 (14...Nc3 15.Qc3 f6 16.Qc2=) 15.Na4+= Bg4 (15...Rfe8 16.Bb5+/–) 16.Ne1 (worse is 16.Nc5 Bf3 17.gf3 Nf4 18.Bh7 Kh8 19.ef4 Bc5 20.Qc5 Qc5 21.Rc5 Kh7=) 16...Na5 (16...Ne5 17.Be4+/–) 17.Rab1+/– Rc8 18.h3 (18.Nb6 ab6 19.Bh7 Kh8+/–) 18...Be6+= 19.Nb6 ab6 20.Nf3 c4 (20...Rfd8 21.Rd1+=) 21.Bh7 Kh8 22.Nd4 c3 (22...Nc6 23.Nf5 Qd7 24.Nh6=) 23.dc3 g6 24.Bg6 fg6 25.c4 (25.Qg6?! Rf6 26.Qe4 Nc4 27.Ne6 Qe6 28.Qe6 Re6+=; 25.Ne6 Qe6 26.c4 Nf6 27.Qg6 Nc4 28.Qh6 Kg8 29.Qg6 Kh8+–) 25...Nf6 (25...Nc4 26.Ne6 Theme: Double Attack) 26.Qg6 Nc4 27.Qh6 Kg8 28.Qg6 Kh8 29.Ba1 (better is 29.Ne6 Qe6 30.Ba1+–) 29...Rf7?? (better is 29...Bd7+/–) 30.Ne6+– Qe6 31.Rb5 (31.Rb5 Rc5 32.Rb6 Nb6 33.Rc5+–) 1–0. Katalymov,Boris N – Giterman,Shlomo, Novgorod, 1961.

12.0–0 Bg4 13.Be2 Rad8 14.h3 Bh5 15.Nc3 Nc3 16.Bc3 Bc3 17.Qc3 Rd7 (17...b6 18.d3=) 18.d3 Rfd8 19.Rfd1 b6 (19...Rd5 20.Rd2=) 20.Rd2 Qe6 (20...Rd6 21.Rb1=) 21.Rad1 Rd6 22.d4 Qf6 23.Qc1 (23.Qc4 Bf3 24.Bf3 cd4 25.Bc6 Rc6=) 23...Bf3 24.Bf3 cd4 25.Bc6 Rc6 26.Qb2 Rc4 27.Rd4 Rdd4 28.ed4 g6 (28...a6 29.Qd2=) 29.Kf1 (29.Qd2 Qd6=) 29...Rc5 (29...Qd6 30.d5=) 30.Qb3 Rf5 31.f3 (31.Qe3 Rd5=) 31...Qd6 32.d5 Qh2 ½–½. Buczinski,Henryk – Dziedzina,Michael, IECG, 2010.

12.0–0 Bg4 13.Be2 Rfd8 14.h3 Bh5 15.Nc3 Nc3 16.Bc3 Bc3 17.Qc3 b6 18.Rfc1 Rac8 19.d3 Ne5 20.Qe5 Qe5 21.Ne5 Be2 22.Rc3 Bh5 23.Rac1 f6 24.Nc4 Rc7 25.a4 Be8 26.Nb2 Rb7 27.R1c2 Rdb8 28.Kf1 Kf8 29.Ke2 Ke7 30.Kd2 Ke6 31.e4 g5 32.a5 f5 33.f3 f4 (worse is 33...ba5 34.ef5 Kf5 35.Rc5 Ke6 36.Nc4+=) 34.Rb3 ba5 35.Rb7 Rb7 36.Nd1 Kd6 37.e5 Kd5 38.Rc4 Bb5 39.Nc3 Kc6 40.Re4 a6 41.e6 Kd6 42.Re1 Bc6 43.e7 Re7 44.Ra1 Bb5 45.Ra5 Kc6 46.Ra3 Rd7 47.Ne2 Kb6 48.h4 a5 49.Kc2 a4 50.Rc3 Rd8 51.Kd2 c4 52.hg5 hg5 53.d4 Ka5 54.Rc1 c3! (54...c3 55.Nc3 Rd4 56.Kc2 Bc4–+) 0–1. Muri,Heinrich (2375) – Grabner,Helmut (2265), WC35/pr05 ICCF, 2011.

12.0–0 Bg4 13.Bh7 Kh8 14.Be4 Rfd8 15.Nc3 Nc3 16.Bc3 Bc3 17.dc3 Ne5 18.Ne5+/– Qe5 19.Bb7 Rab8 20.Rab1 Rd6 21.Bf3 Bf3?? 22.Rb8 (22.Rb8 Rd8 23.Rd8 Qe8 24.Re8#; 22.gf3?! Rg6 23.Kh1 Rb1 24.Qb1 Qc3 25.Qb8 Kh7 26.Qa7 Qc4=) 1–0. b4_player – opponent, gamecolony.com, 2007.

12.0–0 Bg4 13.Bh7 Kh8 14.Bf5 Bf3 15.gf3 Bc7 (15...Rad8 16.f4+=) 16.f4= Rfe8 17.Nc3 Nf4 18.ef4 Nd4 19.Nd5 Nc2 20.Ne7 Na1 21.Nd5 Ba5 22.Ba1 Rad8 23.Nc3 Bc7 24.Be4 b6 25.d3 Bf4 26.Kg2 Kg8 27.h4 Be5 28.f4 Bf6 29.Kf3 c4 30.dc4 Rd4 31.c5 bc5 32.h5 Rb8 0–1. Boehnke,Hartmut (2035) – Bachmann,Wolfgang (2380), WC17/WS47 ICCF, 2009.

12.Be4 Be6 13.0–0 Rad8 14.Rc1 f5 15.Bd3 f4 16.Be2 Qe8 17.e4 Nf6 18.d3 b6 19.h3 Qg6 20.Kh2 Nh7 21.Qa4 Qe8 22.Rd1 Rc8 23.Qb5 a6 24.Qa6 Nd4 25.Bd4 cd4 (better is 25...Ra8!? 26.Qb7 Rf7 27.Qf7 Qf7+=) 26.a4 Rc2 (26...Rc2 27.Nd4 Rb2 28.Ne6 Qe6+–) 0–1. Kural,A_Serhat (2305) – Jonsson,Dadi Oern, EU/TC9/sf1 ICCF, 2011.

10.Bb2 Bg4

11.Qc5 Rc8 12.Qb5 a6 13.Qb3 Nf4 (13...Be6 14.Bc4–/+ b5 15.Bd5 Bd5 16.Qd3 Re8 17.Nc3 Bf3 18.Qd8 Red8 19.gf3 Ne5; 13...b5 14.Be2 Re8 (14...Be6 15.Qd1 Qe7 16.a4 b4 17.Ba6 Rc7 18.0–0 Rd8 19.d4 b3) 15.a4 Ncb4 16.0–0 Be6 17.Qd1 Nc2 18.ab5 Na1 19.Ba1 ab5) 14.Qa4 (14.Qc4 Bf3 (14...g5 15.ef4 Re8 16.Kd1 Qb6 17.Bc3 Be6 18.Ng5 Bc4 19.Bc4 Ne5) 15.Qf4 Bh5–/+ 16.Nc3 Qb6 17.Na4 Rfd8 18.Rd1 Qb3 19.Be2 Be2) 14...g5–/+ 15.Bc3 (better is 15.Nc3!? Bf3 16.gf3–+ Ne5 17.ef4 Nf3 18.Ke2 Nd4 19.Kd1 b5) 15...Bf3 16.gf3 Bc3 (16...Ne5 17.Qd1 (17.Qa5?? Qa5 18.Be2 Ned3 19.Bd3 Nd3 20.Kf1 Qd5–+; 17.ef4?? Nf3 18.Kd1 Bc3–+) 17...Bc3 (17...Re8 18.h4 g4 19.Rg1 Bc3) 18.Nc3 Rc3 19.dc3–+ Qc8) 17.Nc3 Ne5 18.Qd1 Rc3 19.dc3 Qc8 20.Be2? (better is 20.Rc1 Rd8 21.ef4 Rd1 22.Kd1 Nf3 23.Rc2–+) 20...Ng2 (20...Qc3?! 21.Kf1 Ne2 22.Rb1+=) 21.Kf1 (21.Kd2 Rd8 22.Kc2 Rd1 23.Rhd1 Qf5 24.Kb3 Nf3 25.Bf3 Qf3–+) 21...Qh3 22.Qd6 (22.Qa4 Nf4 23.Ke1 Nf3 24.Kd1 Rd8 25.Kc2 Rd2 26.Kb3 Ne2 27.Qe8 Kg7 28.Qe4–+) 22...Re8 23.Qf6 h6 24.e4 (24.Rg1 Ne3 25.Ke1–+) 24...Nf4 25.Ke1 Nf3 (25...Nf3 26.Kd1 Qd7 27.Kc2 Qd2 (27...Ne2?! 28.Qf3 Qa4 29.Kd2 Rd8 30.Ke2 Qc4 31.Ke1–+) 28.Kb3 Qe2–+) 0–1. Boehnke,Hartmut (2150) – Kochemasov,Andrey Leonidovich (2340), Champions League, 2007.

11.Qc5 Rc8 12.Qb5 Nf4 13.Qa4 Bf3 14.gf3 Nd3 15.Bd3 Qd3 16.Rg1 f6 17.Nc3 Ne5=+ 18.0–0–0 Nc4. Bonetti,Shane – Dirschnabel,Klaus, T8–09.54 ETC, 2003.

11.Be2 Rc8 12.0–0 Re8 13.Nc3 Nc3 14.Bc3 Bc3 15.dc3 Qf6 16.Rfd1 Rcd8 17.Rab1 b6 18.Qa4 Ne5 19.Rd8 Rd8 20.Rd1 (20.Qa7?? Bf3 (20...Nf3?! 21.gf3 Bf3 22.Kf1–+) 21.Bf1 Be4 22.Qb6 Bb1 23.Qb1 c4–+) 20...Nf3 21.Bf3 Bf3 22.Rd8 Qd8 23.gf3 Qe7 24.f4 g6 25.Qc6 ½–½. DiAlfonso,Darren (2115) – Schmidt,Jonny (2040), FICGS, 2016.

11.Be2 Qe7 12.0–0 Rad8 13.h3 Bh5 14.Nc3 Bc3 15.Bc3 b6 16.Rac1 Nc3 17.Qc3 Rd6 18.Rfe1 Bf3 19.Bf3 Ne5 20.Be4 Qf6 (20...c4 21.Red1=) 21.Qc2 h6 22.d3 Rfd8 23.Red1 g5 24.Rd2 (24.Qe2!?=) 24...Qe6+= Black plans g4 25.a4 f5 26.Bb7 g4 (26...f4 27.ef4 gf4 28.Be4+=) 27.hg4= Qe7 (27...Rd3? 28.Rd3 Rd3 29.f4 Nf3 30.Kh1 Re3 31.gf3 (31.Bf3?! fg4 32.Ba8 g3=) 31...fg4 32.Rg1+–; 27...fg4?! 28.Be4=) 28.Ba6 fg4 29.d4 (29.Rcd1 g3 30.Qc3 Rg6+=) 29...cd4+= 30.ed4 Rd4 31.Rd4 Rd4 32.Bb5 Kh8 33.Kf1 Qd8 (33...Qd6 34.Kg1+=) 34.Kg1 a5 35.Be2 Kg7 36.Qf5 Qd6 37.g3 Ra4 38.Qc8 Rb4 (38...Kf6 39.Bd3 Rd4 40.Qf5 Ke7 41.Qh7 Kd8 42.Qg8 Ke7 43.Qh7 Ke6 44.Qf5 (44.Qh6? Kd5 45.Qd6 Kd6–+) 44...Ke7 45.Qh7=) 39.Rc7+= Kf6 40.Qh8 Kf5 41.Rc8 Re4 (41...Kg5 42.Qg8 Qg6+=) 42.Rd8 Qe6 (42...Qg6!? 43.Rf8 Ke6=) 43.Qh7+= Qg6 44.Rf8 Ke6 45.Qc7 Re2 (45...Rd4!?+=) 46.Qb6+/– Ke7 47.Qd8 Ke6 48.Re8 Kf5 49.Qc8 Kg5 50.Rg8 Nf3 ½–½. almanzor1 (2385) – forsetinn (2330), gameknot.com, 2014.

11.Be2 Qe7 12.0–0 Rad8 13.h3 Bh5 14.Nc3 Bc3 15.Bc3 b6 16.Rfe1 Bg6 17.d3 Nc3 18.Qc3 Rd6 19.Rad1 Rfd8 20.Rd2 h6 21.Red1 Bf5 22.a4 Qe6 23.d4 Qf6 24.Ne5 cd4 25.ed4 Nd4 26.Rd4 Qe5 27.Rd6 Qc3 28.Rd8 Kh7 29.Bd3 Bd3 30.R8d3 ½–½. khayman9 (2225) – caravonica (2185), gameknot.com, 2011.

11.Be2 Qe7 12.0–0 Rad8 13.h3 Bh5 14.Nc3 Nc3 15.Bc3 Bg6 16.Qb2 Bc3 17.Qc3 Be4 18.Rfd1 g6 19.d3 Bd5 20.Rac1 b6 21.d4 Nd4 22.Nd4 (worse is 22.ed4 Qe2 23.Re1 cd4 24.Nd4 Qh5+=) 22...cd4 23.Rd4 Be6 24.Rd8 Rd8 25.Qb2 Rd6 26.Qe5 Qd8 27.Bf3 Rd3 28.Rc6 Rd7 29.Rc3 h5 30.Rc6 Bd5 31.Bd5 ½–½. Nemec,Zdenek (2030) – Korzh,Leonty (1985), RB–2010–0–00104, 2011.

11.Be2 Re8 12.0–0 (12.Qc5 a6=) 12...Rc8 (12...Nf4 13.ef4 Re2 14.Ng5=) 13.Nc3 Nf6 14.h3 Bh5 15.Rac1 Nb4 16.ab4 cb4 17.Bb5 Re7 18.Rfd1 Bf3 19.gf3 Re5 20.Bf1 Rg5 21.Bg2 b5 22.f4 Rgc5 23.Qb1 bc3 24.dc3 Qb6 25.Qa2 a6 (25...Bc3 26.Bc3 Rc3 27.Rc3 Rc3 28.Qa7+–) 26.Ra1 Bc3 (26...Rc3?? 27.Qa5 Qa5 28.Ra5+–) 27.Bc3 Rc3 28.Qa6 Qc5 29.Rab1 b4 30.Qb7 Rc4 31.Bf1 Re4 32.Bd3 Ree8 33.Qb4 Qh5 34.Kg2 Qd5 35.Kg3 Nh5 36.Kh2 Qf3 37.Qb2 Rcd8 38.Qe2 Qe2 39.Be2 Nf6 40.Rd8 Rd8 41.Kg2 Kf8 42.Kf3 Rd7 43.Ra1 g6 44.Ra3 Nh5 45.e4 Ng7 46.Ke3 Rc7 47.Bd3 Rc1 48.Ra8 Ke7 49.Ra7 Kf8 50.h4 h6 51.Ra8 Ke7 52.Ra3 Ne6 53.Ra7 Kf8 54.f5 gf5 55.ef5 Nc7 56.Be4 Kg7 57.Rb7 Ne8 58.Bd5 Rc7 59.Rc7 Nc7 60.Bc6 Na6 61.Kf3 Nc5 62.Bb5 Nb7 63.Kg4 Nd6 64.Bc6 Nc8 65.Be4 Nd6 66.Bf3 Ne8 67.Bc6 ½–½. Degterev,Pavel (2345) – Berza,Stefan (2385), Yury Sakharov Memorial B, 2006.

9.Qc2 Be6

10.Bb2 Nd7 11.Bd3 f5 12.0–0 Qe7 13.Nc3 N5b6 14.Nb5 c4 15.Be2 Bd5 (15...Nc5 16.Be5 Rfd8 17.Bc7+=) 16.Nbd4 (16.Nc7 Be4 17.Bc4 Kh8–/+) 16...Qf6 17.Rfc1 Nc5 18.Rab1 Rac8 19.Nb5 Qg6 20.Na7 Rcd8 21.Bc3 Bc3 22.Qc3 f4 23.e4 Nca4 (23...Qe4 24.Re1 Qg6 25.d4–/+) 24.Qb4=+ Be4 25.Bc4 Kh8 26.Rb3 Nc4 27.Qc4 Nb2 28.Rb2 Bf3 29.Qf1 Rfe8 30.d3 Rd3 31.Rb6 Qg5 32.Re6 Red8 33.Rc8 (33.Rce1 Bd5 34.R1e5 Qg4 35.Re8 Bg8=+) 33...Rc8 34.Nc8 Rd8 35.Nd6 Kg8 36.h4 Qg4 37.Re4 h6 (37...Rd6? 38.Qc4 Re6 39.Qe6 Qe6 40.Re6+–; 37...Qh4?? 38.Qc4 Kh8 39.Nf7 Kg8 40.Nd8 Kh8 41.Re8; 37...Be4 38.Qc4 Bd5 39.Qd5 Qe6 40.Qe6 Kh8 41.Nf7 Kg8 42.Nd8 Kh8 43.Qe8) 38.Rd4 Rd7 39.Qc4 (39.g3!?=) 39...Kh8–/+ 40.g3 Qh3 41.Nf7 Rf7 42.Rd8 Kh7 43.Qd3 Rf5 44.Qf3 fg3 45.Qg3 Qg3 46.fg3 Rf3 47.Rd7 ½–½. Myrberg,Johnny – Bendig,Frank, TKM/Final, 2003.

10.Bb2 Nd7 11.Be2 a6 12.Bd3 f5 13.0–0 =+.

10.Bb2 Nd7 11.Be2 Rc8 12.0–0= Qe7 13.Nc3 Rfd8 14.Rfd1 N7b6 15.Rac1 (15.Bd3 h6=) 15...c4 (15...Nc3 16.Bc3 Bc3 17.dc3=) 16.Nd4 Bd7 (16...Bc3 17.dc3 Bd7 18.Re1=) 17.Qe4 (17.Nd5 Nd5 18.Bf3 Nb6=) ½–½. Mehlhorn,Uwe – Kowalkowski,W, BFM–227, 2001.

10.Bd3 h6=.

9.Qc2 Qe7

10.Nc3= Nc3 11.Bc3 (worse is 11.dc3 Nc6 12.Bf4 Nd4–/+) 11...Bc3 12.Qc3 b6 13.Be2 Bb7 14.0–0 Nc6 15.Rfd1 Rfd8 16.Rac1 Rac8 17.Qb2 h6 18.Bf1 (18.Rc4 Ba6 19.Rg4 f5 20.Bc4 Bc4 21.Rc4 Rd3=) 18...Rd6 19.Rc4 Rcd8 20.Rg4 Qf6 21.Qb1 (21.Qc2 Na5 22.Rg3 Bd5+=) 21...Ne5 22.Ne5 Qe5 23.d3 (23.Qc2 h5 24.Rf4 Qe7+=) 23...Bc6 24.Rc1 Bd7 (24...Re6 25.Rg3+=) 25.Re4 Qg5 26.h4 Qg6 27.g3 (27.Rf4 Bf5 28.e4 Bh3+=) 27...Bc6 (27...Bf5 28.Re7 Bd3 29.Bd3 Rd3 30.Ra7–+) 28.Re7? (better is 28.Rf4!?+=) 28...Qf6–+ 29.Re4?? (better is 29.Ra7 Qf3 30.e4 Be4 31.de4–+) 29...Be4 30.de4 (30.Bg2 Bg2 31.Kg2 Rd3–+) 30...Qf3 (better is 30...Rd2 31.Be2 Re2–+) 31.Bg2 Rd1 32.Kh2 Rc1 33.Qc1 (33.Bf3?? Rb1 34.e5 Rb2–+) 33...Qf2 34.Kh3 Rd2 (34...Rd2 35.Qh1 Qe3–+) 0–1. Morriss,Pete (2005) – Giulian,Philip M (2240), Rijeka CRO, 2013.

10.Nc3 Rd8 11.Bd3 Bg4 (11...h6 12.Bh7 Kh8 13.Be4=) 12.Bh7 Kh8 13.Nd5 (13.Qe4 Bf3 14.gf3 Nf6 15.Bf6 Qf6–/+) 13…Rd5 (13...Rd5 14.Bc3 Bc3 15.dc3 Bf3 16.gf3 g6 17.Bg6 fg6 18.Qg6 Nd7=). Gabor,Klaus – Milde,Lars, Tigerschachclub TRE, 2001.

10.Bc4 Be6 11.0–0 Nd7 12.Bg3 h6 13.d3 N7f6 14.Nbd2 Bd2 15.Nd2 Rac8 16.Rab1+= Nh5 17.Qb3 Ng3=+ 18.hg3 Nb6 19.Be6 Qe6 20.Qe6= fe6 21.Rfc1 Rfd8 22.Rb3 Rc7 23.Ne4 Nd7 24.d4 c4 25.Rb4 Nb6 26.Kf1 Rd5 27.Nc5 Rh5 28.Ke2= e5 29.Nb3 Re7 30.Rb6 cb3 31.Rb3 ed4 32.Rc4 de3 ½–½. Pilczuk,Andrzej – Sternik,Ryszard, corr 1. AMM Poland, 1991.

10.Bd3 g6 11.0–0 Nc6 12.Bb2 Be6 13.Rc1 b6 14.Bb5 Rac8 15.d3 Rfd8 16.Nbd2 Bd2 17.Nd2 Na5 18.Ba6 Rc7 19.Be5 Rc6 20.Bb5 Rcc8 21.Ba6 Rc6= ½–½. Szczepaniak,Alicja – Kozun,Piotr, corr 1. AMM Poland, 1991.

10.Be2 Nc6=+ 11.Bb2 a6 12.0–0 b5 13.Rc1 Bb6 14.Nc3 Be6 15.Bd3 g6 16.Be4 Rad8 17.d4 c4 18.Bd5 Bd5+/– 19.e4 Be4? 20.Qe4 Qe4+= 21.Ne4 Nd4 22.Nd4 Bd4 23.Bd4 Rd4 24.Re1 a5 25.Rab1+/– Rb8 26.Rbd1 Rd1 27.Rd1 b4 28.Rb1 c3?? 29.Nc3! (29.Nc3 b3 30.Rb2+–) 1–0. Kuperski,Marek – Kozun,Piotr, corr 1. AMM Poland, 1991.

8.Be2 Nc6

9.Bb2 dc4 10.Bc4 a6 11.0–0 b5 12.Be2 Bf5 13.d3 Re8 14.e4 Bg4 15.Nbd2 Bd2 Black is in command 16.Nd2 Be2 17.Qe2 Nd4 18.Qd1 Rc8 19.Nf3 Ne6 20.Rb1 Nf4 21.Ne5 c4–/+ 22.dc4 Qd1–+ 23.Rbd1 bc4 24.Nd7 Ne2 25.Kh1 Ne4 26.f3 c3 27.Bc3 N4c3 (27...N4c3 28.Rd3 Rc7–+; 27...Rc3?! 28.fe4 Ra3 29.Ra1 Ra1 30.Ra1 Re4 31.Ra6–/+; < 27...N2c3 28.fe4 Nd1 29.Rd1–+) 0–1. Machete99 (2245) – compgaladriel (2165), ICC, 2002.

9.Bb2 dc4 10.Bc4 a6 11.Qc2 b5 12.Be2 c4 13.0–0 Bg4 14.d3 cd3 15.Bd3 Rc8 16.Ng5 h6=+ 17.Nh7 Ne5! 18.Nf6 Qf6=+ 19.Bh7 Kh8 20.Qe4 Nf3! 21.Qf3 Qb2 22.Qg4 Qa1 23.Bd3 Qe5 24.a4 Bc7 25.g3 f5 26.Qf3 Rcd8 27.Be2 ba4 28.Qc6 Rf6 29.Qa4 Rfd6 30.Bf3 Qc5 31.Na3 Rb6 32.Nc2 Be5 33.h3 Rd2 34.Na3 Kh7 35.Nc4 Rb4 36.Qe8 Rc4 37.Bh5 Qc6 38.Qe5 Rc5 39.Qf4 Qd5 40.Bf3 Qd3 41.Bb7 g6 42.Qh4 Rc7 43.Bg2 Qe2 44.Qb4 Rcd7 45.Qf4 Qd3 46.Rc1 a5 47.Bc6 Rd6 48.Ba4 g5 49.Qe5 Kg8 50.Qe8 Kg7 51.Rc7 Rd7 52.Rd7 Qd7 1–0. Fritz 6 – Fritz 5.32, 2004.

9.Bb2 Be6 10.cd5 Nd5 11.Qc2 =+.

9.Bb2 Re8 10.0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0–0 5.Nf3 d5 6.Be2 c5 7.0–0 Nc6 8.Bb2 Re8 9.a3 Ba5 10.c4).

9.Bb2 Bg4 10.cd5 Nd5 11.0–0 Qd6 12.Nc3 Rfe8 13.Nd5 Qd5 14.d4 c4=+ 15.Qc2 b5 16.Bc3 Bc7 17.Rab1? Rab8 18.Bb4 Re6 19.Nh4? Nb4 20.ab4 Rh6 21.Bg4= Rh4 22.h3 Rb6 23.Qf5 Qd6 24.Qc8 Bd8 25.Qd7 Qd7 26.Bd7 Rhh6 27.d5 Rhd6 28.Bc6 a6 29.Ra1 Bf6 30.Ra5 Bb2 31.Ra2 c3 32.Ba8 g6 33.Re1 a5 34.ba5+/– Ra6 35.Bc6 b4= 36.Bb5 Ra7 37.Bc4 Ba3=+ 38.a6 ½–½. Flaherty,K – Van der Kooij,W, corr, 1988.

9.cd5 Ne5–/+ 10.Ne5 Nd5 11.Nc4 Bc7 12.d3 b5 13.Ncd2 Be6 14.Ne4 Be5 15.d4 Ne3 (15...Ne3 16.fe3 Qh4 17.Nf2 cd4=; 15...cd4 16.ed4 Qa5 17.Qd2–+) 0–1. Dumontelle,Joe – Woelfelschneider,Peter, corr or01–003 E–mail, 2001.

9.Bb2 d4!

10.Qb3 Qd6 11.0–0 Re8 12.a4 Bg4 13.h3 Bh5 14.Qb5 Bb4 15.Ra2 a6 16.Qb6 Qb8 17.Ne5 Re5 18.Bh5 Rh5 19.Bd4 cd4 (19...cd4 20.ed4 Nd7 21.Qb4 Nb4–+) 0–1. Pierred (2220) – Elrond (2520), Rated game, 3m + 0s, 2005.

10.Qb3 Re8 11.0–0 Bc7 12.Bd3 Bg4–/+ 13.Be2 Qd6–+ 14.g3 d3 15.Bd1 Ne4 16.Kg2 a6 17.Ng1? Na5 18.Qa2 Be6 19.Bc3 Nc4 20.Bb3 b5 21.f4 f6 22.a4 Bd5 23.Nf3 Qe6 (23...Qe6 24.Re1 b4–+; 23...Nc3?! 24.Nc3 Ba5 25.ab5 ab5 26.Nb5–/+) 0–1. Jensen,Steinar – Svendsen,Thomas, corr Norway, 1975.

10.Qb3 Re8 11.0–0 Qd6 12.Bd1 Bc7 13.ed4 cd4 14.a4 Ng4 15.c5 Qc5–+ 16.Na3 Qh5 17.h3–/+ Nge5 18.Nb5 Be6 19.Nfd4 Bb3 20.Bh5 Nd4 21.Nc7 Nc2? 22.Na8 Na1? 23.Nc7 Re7 24.Ba1 Nd3 25.Nb5 Ba4 26.Na7 b5 27.Nc6 Rc7 28.Ne5 (28.Ne5 Ne5 29.Be5+–) 1–0. pierre (2170) – goco (1790), internet, 2007.

10.Qc2 Bc7 11.0–0 Qd6 12.ed4 Nd4 13.Bd4 cd4 14.c5 Qd5 15.Rc1 Re8 16.Bb5 Bg4 17.Be8= Bf3 18.Bf7 Kf7 19.gf3 Qg5 20.Kf1 Bh2 21.Qb3 Kf8 22.Ke2 Rc8 23.Rc4 Qg1 24.Rd4 Re8 25.Kd3 Be5 26.Kc4 b5! 27.cb6 Rc8 28.Kd3 Qf1 29.Ke3 Re8 30.Re4 0–1. pierre – opponent, internet, 2008.

10.Qc2 Re8 11.0–0 Qd6 12.Bd3 Bc7 13.g3 Bh3 –/+. Treskunov – Oldekop, SU, 1969.

10.ed4 cd4 11.Qb3 Re8 12.Qd3 Qe7 13.Bd4 Bf5 14.Qe3 Qd7 15.Be5 Ng4 16.Qg5 Nge5 17.0–0 Nf3 18.Bf3 Bd3 19.Rc1 Qe6 20.g3 Qe5 21.Qe5–+ Re5 22.Nc3 Bc3 23.Rc3 Bg6 24.Bd5 Rae8 25.Re3 Be4 26.f4 R5e7 27.Be4 Re4 28.Kf2 Nd4 29.Rb1 Re3 30.de3 Nc2 31.Rb7 Ne3 32.c5 Nc4 33.Ra7 g6 34.Ra4 Nb2–/+ 35.Ra6 Rc8 36.c6=+ Kg7 37.Ke3= Nc4 38.Kd4+= ½–½. Schmidt,Thomas (1775) – Pfeiffer,Joerg (1640), Kreuzberg, 2000.

10.Qc2 de3 11.fe3 Ng4 12.0–0 Re8 13.Nc3 Bc3 14.Bc3 Qe7 15.Bd3 h6 16.h3 Nf6

17.Rab1 Qd6 18.Bf5 b6 19.Nh4 Ne5 =.

17.Rab1 Ne4 18.Be4 Qe4 =+.

17.Qb2 Nh5 18.Rf2 Qd6 19.Bc2 Rb8 20.Nh4 Ne5 21.Be5 Re5 22.Nf3 Re7 23.Re1 Qg3 24.Qb5 b6 =+.

17.Qb2 Nh5 18.Rf2 Qd6 19.Bc2 Re7 20.g4 Nf6 21.Bf6 gf6 22.Kg2 b6 23.Qc3 Bb7 24.Qd3 Qd3 =+.

17.Bf6 Qf6 18.Be4 Qe7 19.d3 Bd7 20.Rab1 b6 21.Qf2 ½–½. Kern,Michael – Marine,Souheil, compuserve, 1997.

7.Nc3 dc4

8.a3 Bc3 9.dc3 Be6 10.Qd8 Rd8 11.Bf6 gf6 +=.

8.Bc4 Nc6 9.Bf6 Qf6 10.Nd5 Qf5 11.Nb4 Nb4 12.Rc1 Be6 13.d4 Bc4 –/+.

8.Bc4 Nc6 9.Bf6 Qf6 10.Nd5 Qg6 11.0–0 Bh3?? 12.Nf4+– Qe4? 13.d3 (13…Qf5 14.Nh3+– (< 14.gh3 Rad8+–); 13.Nh3?! Qc4 14.a3 Ba5=) 1–0. Brinkmann,Wilhelm – Sahlender,Frank (2220), Oberliga Nord N, 2001.

8.Bc4 Be6 9.Be6 fe6 10.a3 Bc3 11.dc3 =.

7.Nc3 Nc6

8.Bf6 Qf6

9.Nd5 Qb2 10.a3 Ba3!? 11.d4 cd4 =.

9.Nd5 Qb2 10.a3 Ba5? 11.Qb1+/– Qb1 12.Rb1 b6 13.Be2 Bf5 14.Rb2 Be4 15.Nf4 Rad8 16.0–0 h6 17.h4 Rd6 18.d3 Bf5 19.Rb3 Rb8 20.Rc1 Kf8 21.Nd5 Rdd8 22.Rb2 Ne7 23.Ne5 Rbc8 24.Bf3 Ng6 25.Ng6 Bg6 26.e4 Re8 27.Bg4 Rcd8 28.f4 f6 29.Bf3 Kg8 30.Re2 a6 31.a4 Kf8 32.Rb1 Rb8 33.Reb2 f5 34.e5 Re6 35.Nc7 Re7 36.Na6 Rd8 37.Rb6 Rd3 38.Rg6 (38…Kf7 39.Rc6+–) 1–0. Myrberg,Johnny – Dubleumortier, corr 3GMM–39, 1996.

9.Nd5 Qb2 10.Qc1 Qc1 11.Rc1 Rd8 +/–.

9.Nd5 Qd8 10.Nb4 Nb4 11.a3 +=.

9.Nd5 Qg6 10.a3 Ba5 +=.

9.Nd5 Qg6 10.Nf4 Qd6 11.Be2 =.

9.Nd5 Qg6 10.Nf4 Qe4 11.Bd3+/– Qe7 12.0–0 Bg4 13.Nd5 Qd6 14.Bh7!+– Kh8 15.Nb4 Nb4 16.a3 Bf3 17.Qf3 Kh7 18.ab4 cb4 19.d4 Qc7 20.Qh5 Kg8 21.Qb5 a5 22.c5 Rfb8 23.Rfd1 (23…b6 24.c6+–) 1–0. Kreuzer,Uwe – Sikora,A, corr 3GMM–56, 1995.

7.Nc3 Nbd7!

8.Nd5 Nd5 9.cd5 Nb6 10.d6. Kreuzer.

8.Bd6 Re8 9.Nb5 Ba5 10.Bf4 Nf8 11.Nd6= Re6 12.Nc8 Rc8 13.Rb1 =. Hort – Havansi, 1967.

8.Bd6 Re8 9.Nb5 Ne4 10.Bg3 Ndf6 11.Bc7 (11.a3!? Ba5 12.a4–+) 11...Qe7–+ 12.a3?? (better is 12.Bf4 Bg4 13.Qc2–+) 12...Bd2! 13.Nd2 Nf2 (13...Nf2 14.Qe2 Nh1–+). Adam,Stefan – Kyritz,Michael, corr, 1990.

8.Bd6 Re8 9.Nd5 Nd5 10.cd5 Nf6. Kreuzer.

8.Bd6 Re8 9.Nb5 Ne4 10.Bf4 Ndf6 11.Nc7 Bg4 12.Ne8 Bf3 13.gf3 Bd2 14.Ke2 Nc3 15.Kd2 Nd1 16.Nf6 Qf6 17.Rd1 Qb2 18.Ke1 Qb4 19.Rd2 dc4 20.e4 Qb1 21.Rd1 Qa2 22.Rg1 Qa5 23.Ke2 c3 24.Rg5 h6 25.Rg1 Qa3 26.Bc1 Qa2 27.Ke1 c2 28.Rd5 b5 29.Kd2 b4 30.Rc5 Rd8 31.Rd5? Rd5 32.ed5 Qd5 33.Bd3 Qc5 34.Ke2 b3 35.Be3 Qc3 36.Bd2 Qc6 37.Bc1 a5 38.Rg4 f5 39.Rc4 Qe6 40.Kd2 Qd5 41.Kc3 g6 42.Ra4 Qf3 43.Ra5 Qf2 44.Kb3–/+ Qh2 45.Ra8 Kf7 Black launches an attack 46.Ra7 Ke8 47.Ra8 Ke7 48.Ra7 Kd8 49.Ra8 Kc7 50.Ra7 Kb8 51.Rf7 Qg2 52.Rh7 h5 53.Bb2 f4–+ 54.Rh6 Qd2 55.Bg6 c1Q 56.Bc1 Qc1 57.Rh5 Kc7 58.Rh7 Kd6 59.Bd3 Ke5 60.Re7 Kd4 61.Bc2 f3 62.Rd7 Ke3 63.Rd1 Qd1! 64.Bd1 f2 (64...f2 65.Bc2 f1Q–+) 0–1. Pierred (2145) – OmegaPoint (2420), Rated game, 2m + 0s, 2005.

8.Bg3 Nb6 9.cd5 (9.Nd5 A) 9...Nbd5 10.cd5 Qd5 (10...Bg4 11.h3 Bh5 12.a3 Ba5 13.Bc4 Nd5 14.0–0 a6 15.a4 Re8) 11.a3 Ba5 12.Qa4 Qd8 13.Rc1 Bd7 14.Qc2 Bc6 15.Bd3 b5; B) 9...Nfd5 10.cd5 Qd5 11.Qb3 Qb3 12.ab3 Be6 13.Rb1 Rfd8 14.Be2 Rac8 15.e4 a5) 9...Nbd5 (9...Nfd5 A) 10.Nb5 c4 (10...Re8 11.a3 Ba5 12.Rc1 Bd7 13.Rc5 Qe7 14.Bd6 Qf6 15.Bc7 Bc6) 11.a3 Be7 12.Ne5 Bd7 13.Rb1 Qe8 14.Nc4 Bb5 15.Nb6 Bf1; B) 10.Nd5 Qd5 11.Qb3 Be6 12.Qd5 Bd5 13.a3 Ba5 14.Rb1 Bf3 15.gf3 Rad8; C) 10.Qc2 c4 (10...h6 11.Rc1 g6 12.Ne5 Bc3 13.dc3 Qf6 14.Bb5 a6 15.Be2 Re8; 10...g6 11.Ne4 Bf5 12.a3 Re8 13.ab4 Be4 14.Qc5 Bf3 15.gf3 Qf6) 11.Rb1 Ba5 12.Be2 Re8 13.Ne5 Bc3 14.dc3 Qf6 15.Nc4 Nc4; 9...Bc3 10.dc3 Nbd5 11.Qb3 Ne4 12.Be5 Be6 13.Qc2 Ng5 14.Bd3 Nf3 15.gf3 f6) 10.Qc2 (10.Nd5 Qd5 (10...Nd5 11.a3 Ba5 12.Qc2 Qe7 13.Bd3 g6 14.0–0 Bc7 15.Bc7 Qc7) 11.a3 Ba5 12.Qa4 Qd8 13.Rc1 Bd7 14.Qc2 Bc6 15.Bd3 b5; 10.Qb3 Nb6 (10...Be6 11.Bc4 Bc3 12.dc3 b5 13.Bd5 Qd5 14.Qb5 Ne4 15.0–0 Rfd8; 10...Bc3 11.dc3 Be6 12.Bc4 a6 13.Rd1 b5 14.Bd5 Bd5 15.Qc2 Qa5) 11.Be2 Be6 12.Qc2 Nc4 13.0–0 h6 14.h3 Re8 15.Nb5 Na3) 10...Nc3 (10...Bg4 11.Bc4 Bc3 12.dc3 Qa5 13.Rb1 b6 14.Be5 Rae8 15.Rb5 Qa3; 10...Bc3 11.dc3 Qa5 12.Be5 Re8 13.Bc4 Be6 14.Bd3 Bg4 15.Bf6 Nf6; 10...Be6 11.Nb5 c4 12.a3 Qa5 13.Bc4 Rac8 14.0–0 Be7 15.Qb3 Rc4) 11.dc3 Bf5 12.Qb3 Ba5 13.Rc1 (13.Bc4 Ne4 14.Be5 Bg4 15.Rd1 Qe7) 13...Ne4 14.Be2 (14.Bc4 Bg4 15.0–0 Bf3) 14...Qb6 15.Qa3? (better is 15.Qb6 ab6 16.Be5–/+; 15.Be5 Qb3) 15...Nc3–+ (15...Ng3?! 16.hg3 Rfd8 17.Bc4+=) 16.Rc3 Qb1 17.Bd1 Rad8 (better is 17...Rfd8!? 18.0–0 Bc3 19.Bb3–+) 18.0–0 Rd1 19.Rc1 Rf1 20.Rf1 Qb4 21.Qc1 Rd8 22.Ne5 Be6 23.a3 Qc3 24.Qb1 Qb3 (24...Qa3?! 25.Qb7 Bb6 26.Nc6+=) 25.h4 f6 (25...Qa3?! 26.Qb7 Bb6 27.Nc6–/+) 26.Nf3 Qb1 27.Rb1 b6 28.e4 Rd3 29.Bb8 c4 30.Ba7 c3 31.Ne1 Rd2 32.Rc1 Ra2 33.Nc2 Bb3 34.Nd4 Ba4 35.Bb8 c2 36.Bf4 Bc3 37.Be3 Bb2 38.Re1 Ba3 39.Nc2 Bc2 40.Bb6 Bb4 41.Re2 Ra1 42.Kh2 Bd1 43.Re3 Bd6 44.g3 Ra3 45.Kg2 h5 46.Ra3 Ba3 47.f3 Kf7 48.Kf2 Ke6 49.Ke3 Bc1 50.Kf2 Kd6 51.Bd4 Ba3 52.Kg2 Bc5 53.Bc3 Kc6 54.Bb2 Kb5 55.Bc3 Kc4 56.Bb2 Kd3 57.Bc1 Bd6 58.Kf2 Bc5 59.Kg2 Ke2 60.Bb2 Bd6 61.Bd4 Bc2 62.Bb6 Be5 63.Bc5 g6 64.Bb6 f5 65.ef5 gf5 66.Bd8 Ba4 0–1. Collas,D (2445) – Vehi Bach,V (2380), IX EICC, Plovdiv BUL, 2008.

8.Bg3!? Bc3 9.dc3 Qa5 (9...Ne4 10.Qd5 Ng3 11.hg3 Qc7 12.Bd3 Nf6 13.Bh7 Nh7 14.Qh5 Bf5 15.Qf5 Nf6 16.Qh3 –+) 10.Qb3 Ne4 11.Rc1 Ng3 12.hg3 dc4 13.Bc4 += Nb6 14.Qc2 g6 15.Bd3 c4 16.Be2 (16.Be4 f5 –+) 16...Bd7 17.Nd4 Ba4 18.Qe4 –+. Kreuzer.

8.Bg3 dc4 9.Bc4 Nb6 10.Qb3 Nc4–/+ 11.Qc4 Be6 12.Qe2 Bf5 13.Ne5 Re8 14.0–0 Bc3 15.dc3 Ne4 16.Qc4 Qf6–+ (16...Qf6 17.f4 Nd2 18.Qc5 Nf1 19.Rf1 b6–/+) 0–1. gtate (1885) – jollyjumper (2000), net–chess.com, 2003.

8.Bg3!? d4 9.Nb5!? (9.ed4!? Re8 10.Be2 Qe7 11.Kf1 (11.0–0? Bc3 –+); 9.Nd5 Nd5 10.cd5 Nf6 –+) 9...Ba5 (9...Ne4 10.Bc7 Qe8 11.Bd3 Qe6 12.Qc2 –+) 10.ed4 Re8 11.Be2 Qe7 12.Kf1 –+. Kreuzer.

7.cd5 Nd5

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

8.a3 Ba5 (--> 7.a3 Ba5 8.cd5 Nd5).

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

6.Nf3 c6

7.a3 Ba5 8.cd5 cd5 9.Be2 Nc6 10.Bb2 Bb6 11.d4 Bc7 12.Nc3 Bf5 13.Rc1 a6 14.0–0 Ne7 (14...Qd6 15.Na4=) 15.Ne5 Ng6 16.f4 h5 (better is 16...Ba5!?=) 17.Bh5+/– Nh5 18.Qh5 Nh4?? (better is 18...Ne7+/–) 19.g3+– Bg6 (19...f6 20.Ng4+– (20.gh4?! fe5 21.fe5 Be6+–; 20.Qh4?! fe5 21.Qd8 Rad8+–)) 20.Qh4 Be5 21.Qd8 Rfd8 22.fe5 b5 23.Na2 (23.Rfe1 Rab8+–) 23...Be4 (23...Bd3 24.Rf4 Bc4 25.Nc3+–) 24.Rc7 Rf8 25.Nc3 Bd3 26.Rd1 Bc4 27.e4 de4 28.Ne4 Rac8 29.Rc8 Rc8 30.Nd6 (30.Nd6 Bb3 31.Rd3+–) 1–0. Gueler Berdasco,M (1915) – Cortijo Manso,L, 4th Madrid Spain, San Viator Open, 2015.

7.Bb2 Nbd7 8.Qb3 Ba5 9.cd5 Nd5 10.Be2 N7f6 11.0–0 Bc7 12.Nc3 Nb6 13.Qc2 Bg4 14.d4 Nfd5 15.a4 Nc3 16.Qc3 Nd5 17.Qc2 Re8 18.Rfc1 Re6 19.h3 Bh5 20.Ba3 Rh6 21.Ne1 Qg5 22.Bh5 Qh5 23.Rab1 Rb8 24.Qe4 f5 25.Qf3 Qf7 26.Nd3 g5 27.Ne5 Qe6 28.Bc5 Be5 29.de5 b6 30.Bd6 Rc8 31.e4 fe4= 32.Qe4 Rh4 33.Qc2 Nf4 34.f3 Nd5 35.a5 c5 36.Qa2 c4 37.ab6 ab6 38.Qd2 h6 39.Rb5 Nf4 40.Rb6 c3 41.Qc2 Qc4 42.Rb4 Qd3 43.Re4 Qc2 44.Rc2 Ne6 45.g4 Rh3 46.Kg2+/– Rh4 47.Bb4 Nf4 48.Rf4 gf4 49.Rc3 Ra8 50.Rc2 Ra1 51.Bd2 Rhh1 52.Bf4 Rhg1 53.Kf2 Rgf1 54.Ke3 Ra3+= 55.Ke4 (55.Kd4 Ra4 56.Rc4 Rc4 57.Kc4 Kg7=) ½–½. Zschalich,Arndt – Haamer,Horst, corr DDR, 1986.

7.Qb3 Qe7 8.a3 Bc5 9.d4+= dc4 10.Bc4 Nbd7 11.Bf6 Qf6 12.Nc3 Be7 13.0–0 Nb6 14.Ne4 Qg6 15.Bd3 Bf5 16.Qc2 Be4 17.Be4+= f5 18.Ne5 Qe6 19.Bd3 c5 20.g4 cd4= 21.ed4 Qd5 22.Bf5 g6= 23.Bg6 hg6 24.Qg6 Kh8 25.Rae1 Rf6 26.Qh5 Kg7 27.Qg5 Kf8 28.Ng6 Rg6 29.Qg6 Qd4 30.Re4 Qf6 31.Qh5 Rd8+= 32.Re5 Kg7?? 33.Rfe1+– Nc8 34.Re6 Qg5 35.Re7! Qe7 36.Re7 Ne7 37.Qe5 Kf7 38.g5 a6 39.Qf6 Ke8 40.g6 Rd3 41.Qf7 Kd7 42.g7 (42.g7 Rd1 43.Kg2+–) 1–0. Schalkwijk,Peter – Der,Jak, Standard, 2001.

7.Qc2 Nbd7 8.Bb2 dc4 9.Bc4 h6 10.0–0 b5 (10...Nb6 11.Bb3=) 11.Be2+= Bb7 12.d4 Nd5 13.Nbd2 (13.Nc3 Bc3 14.Bc3 Nc3 15.Qc3 c5+=) 13...Bd2 (13...a6 14.a3 Be7 15.Nb3+=) 14.Qd2 Re8 15.Bd3 N7f6 16.a3 Rc8 17.Rac1 Ne4 18.Qc2 Nef6 19.Ne5 Nb6 20.e4 Re7 21.f4 Rec7 22.Qe2 a6 23.Nf3 c5 24.e5 Nfd5 25.f5 f6 26.Bb1 c4 27.Rfd1 Qf8 0–1. de Visser,Arno – Hasler,Ulrich, corr ICCF TT, 2002.

7.Be2 Be6 8.Qb3 Qe7 9.a3 Ba5 10.0–0 dc4 11.Bc4 Bc4 12.Qc4 b5 13.Qb3 a6 14.d4 Nbd7 15.a4 Bb4 16.Rc1 ba4 17.Ra4 c5 18.dc5 Bc5 19.Bc7 Rfc8 20.Ba5 Bd6 21.Rac4 Rc4 22.Qc4 Ne5 23.Qe2 Neg4 24.h3= h5?? 25.hg4+– hg4 26.Ne1 Qe5 27.Qd3 Nh5 28.Rd1 Qh2 29.Kf1 Be5? 30.Qe4+– (30.Qe4 Re8 31.Qg4+–) 1–0. Roggensack_Hanspach,Peter – Schuehler,Ernst, corr SOK–92–84, 1992.

7.Qb3 Be7

8.d4 Nbd7 9.Bg3 Qa5 10.Nbd2 Ne4 11.a3 Ndf6=+ 12.Bh4?? Bg4 13.Qb2=+ dc4 14.Bc4 Bf3 15.gf3 Nd2 16.Qd2 Qh5 17.Bf6 Bf6 18.f4 c5–/+ 19.Qd1 Qh3 20.Bd5 cd4 21.e4 Qg2 22.Rf1 d3 23.Rc1 Rac8 24.Kd2 Rc1 25.Qc1 Qf3 26.Qd1 Qf4 27.Kd3 Rc8 28.Bb7 Rc3 29.Ke2 Qf3 30.Ke1 Rc1!! 31.Qc1 Bc3 32.Qd2 Qd3 33.Qc3 Qc3 34.Ke2 Qb2 (34...Qb2 35.Ke3 Qb7–+) 0–1. Weigel,Hans Juergen (2020) – Bakhmatov,Eduard (2325), North Germany–ch Seniors 7th, 2004.

8.Be2 Nbd7 9.d4 dc4 10.Bc4= b5 11.Be2 Qa5 12.Nbd2 Ne4 13.Bc7 Qc7 14.Ne4 Qa5 15.Ned2 Bb4 16.Rd1 Nf6 17.0–0 Be6 18.Qc2 Bd5 19.Nb3 Qc7 20.Bb5+= Bd6 21.Be2 White gets the initiative 21...Ng4 22.h3+/– Nf6 23.Nbd2 Qe7 24.Bd3 Rfe8 25.Rfe1 Bf3 26.Nf3 Bb4 27.Re2 Rac8 28.Ne5 c5 29.Bc4 Rf8 30.Qb3 Ne4 31.Rc2 Nd6 32.a3 Ba5 33.dc5 Nc4 34.Nc4+/– Rc5 35.Na5 Ra5 36.a4 Re5 37.Rcd2 a5 38.Rd7 Qf6 39.R1d6 Re6 40.Re6 fe6 41.Qc2 h6 42.Rb7 Qf5 43.Qd2 Qf6 44.Qa2 Rf7 45.Rb6 Re7 46.Ra6 Qe5 47.Qb1 Rd7 48.Qe1 ½–½. Merkl,M – Schuehler,Ernst, corr SOK–92–84, 1992.

7.cd5 cd5

8.Be2 Nc6 9.Bb2 Re8 10.0–0 Qe7 11.h3 Ne4 12.Qb3 Be6=+ 13.d4 Na5–/+ 14.Qa4 a6?? 15.a3+– Bd6 16.Qa5 Bc7 17.Qb4 Bd6 18.Qb3 Red8 19.Nc3 Qf6 20.Ne4 de4 21.d5 Bd5 22.Bf6 Bb3 23.Nd4 (23.Nd4 gf6 24.Nb3+–) 1–0. Muri,Heinrich – Schuehler,Ernst, corr ICCF EU–ch GT233, 1985.

8.Be2 Nc6 9.Bb2 Bf5 10.0–0 h6 11.Qb3 Qe7 12.Nd4 Bg6 13.Nc6 bc6 14.Bf6 Qf6?? (Better is 14...gf6 15.Qa4 Rfc8+=) 15.Qb4+– Qa1 16.Nc3 Rfb8 17.Qb8!! (17...Rb8 18.Ra1+–; 17.Ra1? Rb4 18.d4 Rb2–+) 1–0. marekt – Frankygolucky, ChessWorld.net, 2004.

7.cd5 Nd5

8.Be2 Nd7 9.Bb2 Re8 10.0–0 b5 11.d4 N7f6 12.a3 Ba5 13.Nbd2 Bb7 14.Nb3 Bc3 15.Bc3 Nc3 16.Qc2 Ne2 17.Qe2 Nd7 18.Rac1 Rc8 19.Rfd1 a6 20.Nc5 Nc5 21.Rc5 f6 22.h4 Qc7 23.h5 Rcd8 24.d5 Qb6 25.Qc2 Rd5 26.Rdd5= cd5 27.Nd4 Re7 28.Nf5 Rd7 29.Rc8?? Bc8–+ 30.Qc8 Qd8?? 31.Qa6–/+ d4 32.ed4 g6–/+ 33.Qe6 Kh8–+ 34.hg6 hg6 35.Nh6 Kg7 36.Ng4 Rd4 37.f3 Qd6 38.Qb3 Qc5 39.Qe3 Rd1 40.Kf2 Qe3 (40...Qe3 41.Ke3 Ra1–+) 0–1. Schroer,Klaus – Van Esbroeck,Dirk, corr ICCF TT–4–90–14, 1992.

8.Be2 Be6 9.0–0 Nd7 10.Bb2 Bd6 11.d3 Qb6 12.Qc2 Nb4 13.Qc3 f6 14.a3 Nd5 15.Qc2 Ne5 16.Ne5 Be5 17.Be5 fe5 18.Rc1? Rf2!–+ 19.Kf2 Qe3 20.Ke1 Nf4 21.Nc3 Rf8 0–1. Scholz,Guenter – Polklaeser,Guenther, BdF, 2001.

7.Be2 Nbd7

8.Bb2 dc4 9.Bc4 b5 10.Be2 Nb6 (10...a6 11.0–0+=) 11.Nc3 (11.Qc2 Bd7=) 11...Qd6 12.h3 (12.0–0 Be6=) 12...Be6+= 13.0–0 (13.Nd4 Rad8+=) 13...Nc4 14.Bc4 (14.Qc2 Nb2 15.Qb2 Ba3=) 14...Bc4 (worse is 14...bc4 15.Qc2=) 15.Re1 Bd3 16.a4 a6 17.Na2 (better is 17.e4 Nd7 18.Na2+=) 17...Nd5?? (17...Ba5 18.Nc1 Be4 19.Nb3+=) 18.Nb4 (better is 18.e4 Nb6 19.e5+–) 18...Nb4+= (worse is 18...Qb4 19.Ba3 Qe4 20.Bf8 Rf8 21.ab5 ab5 22.Qb3+/–) 19.Ba3 c5 20.Bb4 cb4 21.Nd4 Rac8 (21...ba4!? 22.Ra4 Rfb8+=) 22.ab5+= ab5 23.Qf3 Qg6 (23...Rc7 24.Ra8+=) 24.Rec1 (24.e4 Rcd8 25.Nf5 Rd7+=) 24...Rc1 (24...Rc4 25.Kh2=) 25.Rc1 Be4 26.Qg4 Qg4 27.hg4 Bd3 (27...Ra8 28.f3 (worse is 28.Nb5 b3 29.Rc4 b2–/+) 28...Bd3 29.g5=) 28.Rc5 The isolani on b5 becomes a target (28.g5=) 28...Rb8 (better is 28...h6!?=) 29.Nc6+= b3 30.Nb8 f6 31.Rc1 b2 32.Re1 b1Q 33.Rb1 Bb1 34.Nc6 Kf7 35.Nb4 Ke6 36.d4 Kd6 37.Kf1 (37.f3 Bg6+/–) 37...Be4 38.f3 Bc6? (38...Bd5 39.Kf2+/–) 39.Ke2 (39.Nc6 Kc6 40.Ke2 h6+–) 39...Kc7 (39...Be8 40.e4+–) 40.d5 (better is 40.Nc6!? Kc6 41.g5 fg5+–) 40...Bd7 41.e4 Kb6 (41...h6 42.Kd3+–) 42.Kd3 Ka5 43.Kc3 Ka4 (43...Kb6 44.Nd3+–) 44.Nd3 (44.g5 fg5 45.e5 Ka5+–) 44...Ka3 (44...Bc8+–) 45.Nb4 (45.g5!? fg5 46.e5 Bf5+–) 45...Ka4 46.Na6 Ka5 (46...Ka3 47.d6+–) 47.Nc5 b4 48.Kb3 Bc8 (48...Be8 49.Nb7 Kb6 50.Nd6+–) 49.d6 Kb5 50.d7 Bd7 51.Nd7 Kc6 52.Nf8 Kc5 (52...Kd6 53.Nh7 Ke5 54.Kb4+–) 53.Ne6 Kb5 54.Ng7 Kc5 55.Nf5 Kb5 56.g3 (56.Nd6 Kc6 57.Ne8 h6+–) 56...Kc5 57.f4 h6 (57...Kc6 58.Kb4 Kd7 59.Ne3+–) 58.Nh6 Kd4 59.g5 fg5 60.fg5 Ke5 61.Kb4 Ke6 62.Kc4 Ke5 63.Kc5 Ke6 64.Kd4 Ke7 65.Ke5 Ke8 66.Ke6 Kf8 67.Kf6 (67.Nf5 Ke8 68.g6 Kf8 69.g7 Kg8 70.Kf6 Kh7 71.Ne7 Kh6 72.g8Q Kh5 73.Qg6) 67...Ke8 68.g6 1–0. Wilke,Hans_Peter (1610) – Eichstaedt,Torsten, Lichtenberger Sommer, 2016.

8.Bb2 dc4 9.Bc4 Nb6 10.Be2 Re8 11.0–0 Bd6 12.a4 Bg4 13.Qb3 Nbd5 14.Nc3 Qd7 15.Nd5 Nd5 16.Nd4 Be2 17.Ne2 Re6 18.f4 Rae8 19.Rf3 Bc5 20.Bd4 Bd4 21.Nd4 Re4 22.Nc2 R4e7 23.Na3 Qe6 24.Rb1 Rd8 25.Nc4= Nf6 26.d3 Qd5 27.Ne5 h5 28.e4 Qd4 29.Kf1 Ng4 30.Ng4 hg4 31.Rg3 c5 32.Rc1 b6 33.Rc4 Qa1=+ 34.Kf2 Red7 35.Rc2 Qd1–/+ 36.Rc3 Qd2–+ 37.Kf1 Qf4 38.Ke2 Rd4 39.a5?? Re4 (39...Re4 40.Re3 Qe3 41.Kd1 Qe1 42.Kc2 Re2#) 0–1. Zschalich,Arndt – Klemp,Joachim, corr DDR–ch M790, 1986.

7.Be2 Re8

8.Bb2 Be6 9.Qb3 Qe7 10.0–0 Nbd7 11.Nc3 =+.

8.Bb2 Be6 9.Qb3 Be7 10.0–0 b6 11.d4 dc4 12.Bc4 Bc4 13.Qc4 b5 14.Qc2 Nd5 15.Nc3 Nc3 16.Qc3 Bf6 17.Rac1 Qb6 18.Qc5 Qc5+= 19.Rc5 Be7 20.Rc2 Rc8 21.Rfc1 a5 22.Ne5 Ra6 23.Kf1 Bd6 24.Nd3 Nd7 25.h3 h6 26.e4 Bb8? 27.e5 Ba7 28.Ke2 Kf8 29.f4 Kg8 30.g4 Kf8 31.Kf3 Ke7 32.Ke4 f6 33.f5 Rc7 34.e6 Nb8 35.Bc3 Bb6 36.Bd2 Ba7 37.Bf4 Rc8 38.Nc5 Bc5 39.Rc5 Rb6 40.Bb8 Rbb8 41.Rc6 Rd8 42.Rc7 Ke8 43.Rg7 Rbc8 44.Rc8 (44...Rc8 45.Rg8 Ke7 46.Rc8+–) 1–0. Steiner,Peter Markus – Hasler,Ulrich, corr ICCF TT, 2004.

8.Bb2 Be6 9.Qc2 dc4 10.Bc4 Bc4 11.Qc4 Bd6 12.0–0 Nbd7 13.d4 Ne4 14.Nc3 Ng5 15.Qe2 Nf3 16.Qf3 Qh4 17.g3 Qh3 18.e4 Bc7 19.Qg2 Qg2 20.Kg2 Rad8 21.f3 Nb6 22.Rfd1 Nc4 23.Bc1 Ba5 24.Na4 b5 25.Nc5 Bc3 26.Rb1 Rd4 27.Rd4 Bd4 28.Nb3 Bc3 29.Kf2 f5 30.Ke2 fe4 31.fe4 Nd6 (32.Kd3 Ne4–+; 31...Re4 32.Kd3 Re1 33.Kc3+/–) 0–1. Bennett,Hilton – Poschmann,Hans, email 4AMM–F, 1998.

6.Nf3 Nbd7

7.Bb2 c6 8.Qb3 Ba5 9.Nc3 Nc5 10.Qc2 Nfe4 11.d3 (11.cd5!? cd5 12.Nd4+=) 11...Nc3–/+ 12.Bc3 dc4 13.Ba5 (better is 13.dc4!? Ne4! 14.Ba5 Qa5 15.Ke2–+) 13...Qa5–+ 14.Nd2 cd3 15.Bd3 Nd3 16.Qd3 Bf5 17.Qb3 Rad8 18.0–0–0?? (18.Rd1–+) 18…Rd3 (18...Rd3 19.Nc4 Rc3 20.Kb2 Rb3 21.ab3 Qb4–+) 0–1. Vasilev,Dimitar (1860) – Ivanov,Bogidar (2165), BUL–chT2 Sunny Beach, 2009.

7.Bb2 Qe7 8.cd5 Nd5 9.Be2 Re8 10.0–0 N7f6 11.Qc2 c6 12.Nc3 Bg4 13.Nd5 Nd5 14.d3 Rad8=+ 15.a3 Bd6 16.Rfe1 Bb8 17.Qc4 Bh5 18.Qd4 f5 19.Qc4 Kh8 20.Qc2 ½–½. pierre – Renzo, internet, 2007.

7.Bb2 Re8 8.cd5 Nd5 9.Be2 Nc5 10.a3 Ba5 11.Qc2 b6 12.0–0 Bg4 13.d4 Ne4 14.Ne5 Be2 15.Qe2 Qg5 16.Qc2 f5 17.Qc4 Rad8 18.Bc1 Qh5 19.f3 Nef6 20.Nc6 Rd6 21.Na5 ba5 22.Nc3 Qf7 23.Nd1 Qe6= 24.Bd2 Rc6 25.Qd3 a4 26.Re1 Rb6 27.Qc4 Qc6 28.Rc1 Qc4 29.Rc4 Rb3 30.Bc1 Re6 31.Nf2+/– Rc3 32.Rc3 Nc3 33.Nd3 Rb6 34.Kf2 Kf7 35.h3 h5 36.Nb4 h4+= 37.Bd2 Nb5 38.Rc1 Kg8 39.Nd3 Na3+= 40.Rc7 Nb1 41.Be1 a6 42.Rc5 Rb3 43.Ke2 a3 44.Ra5 Rb2 45.Kf1 Rb3 46.Nc1 Rb2 47.Nd3 Rb3 48.Nc1 Rb2= 49.Kg1 ½–½. aschellen (1960) – jarek59 (2080), internet, 2006.

7.Qb3 Ne5 8.Ne5 Bd6 9.Nf3 Be6 10.Nc3 Re8 11.Be2 c6 12.0–0 b5=+ 13.cd5 Nd5 14.Qc2 a6 15.Nd5 Bd5 16.d4 Re6 17.g3 Qf6 18.Nd2=+ Bb4 19.Nb3 Qh6 20.Qf5 g5 21.Qg4 Rf8 22.Qh5 Qg7 23.Bd3=+ f5 24.Qe2 g4 25.Nd2 Bd2 26.Qd2=+ Qh6 27.Be2?? Qh2!? (27...Qh2 28.Kh2 Rh6 29.Kg1 Rh1#) 0–1. Zilles,Paul – Kutsankov,V, 21st ECC Saint Vincent ITA, 2005.

7.Bc3 Bd6 8.d4 dc4 9.Bc4 Nb6 10.Bd3 c5 (10...Bg4 11.h3 Bh5 12.Nbd2+=) 11.dc5= Bc5 12.0–0 Re8 (12...Bg4 13.Qc2 Bf3 14.gf3=) 13.Qc2 Be7 14.Ba5 (14.Rd1 Bd7 15.a4 h6+=) 14...h6 (14...Bg4 15.Rd1 Bd6 16.Nbd2=) 15.Nc3 Be6 16.Nd4 Bf8 (16...Bd6 17.Rab1+=) 17.Rad1 (17.Rab1 Qc7+/–) 17...Qc7+= 18.Ncb5 Qc2 19.Bc2 Bc4 20.Nc7 Bf1 21.Ne8 Re8 22.Bb6 (22.Kf1 Nc4 23.Be1 Ng4+=) 22...Bg2 (22...Bc4!? 23.Ba7 Ra8+=) 23.Ba7 Bd5 24.Nb3 (24.a4!?=) 24...Ra8+= 25.Bd4 Bf3 (25...Ra2 26.Bf6 Bc4 27.Bg7 Kg7 28.Nd4+=) 26.Ra1= Nd5 27.Nd2 Bg4 28.Be4 Be6 29.a4 Rc8 (29...f5 30.Bg2=) 30.Rb1+= Rc7 31.Rb5 Bh3 (31...Rd7!?+=) 32.Nf1 Rc1 (32...Nc3 33.Bc3 Rc3 34.Rb7+/– (34.Bb7?! Bd7=)) 33.Bg2 Bg2 34.Kg2 Nc3 35.Bc3 Rc3 36.Rb7 Ra3 37.Ra7 Ra2 38.Ra8 f6 39.a5 Kf7 40.a6 Bc5 41.Kf3 Ke6 42.Ng3 f5 43.h4 (43.h3!? g6+–) 43...g5+/– 44.hg5 hg5 45.Nf1 g4 46.Kg3 Bd6 (46...Kd7 47.f3 Bd6 48.f4+=) 47.Kg2 Bc5 48.Kg3 Bd6 49.Kg2 ½–½. Cortes Lloveras,Enrique (1870) – Ysern Comas,Juan A (1950), 7th Obert Internacional Jake Club – Mem, 2016.

7.Bc3 Be7 8.Qc2 Nb6 9.cd5 Nbd5 10.Bc4 a6 11.a4 c5 12.0–0= b6 13.Bb2 Bb7 14.d3 Qc7 15.e4 Nb4 16.Qb3 (16.Qb3 Nc6 17.Bc3=). pierre – Broly, internet, 2008.

7.Nc3 Be7 8.Bf6 Bf6 9.d4 dc4 10.Bc4 c5 11.Ne4 cd4 12.Nf6 Nf6 13.Nd4 Qa5 14.Qd2 Qd2 15.Kd2 b6 16.Rhc1 Bb7 17.f3 Rac8 18.Ke2 Rc4 19.Rc4 Ba6 20.Rac1 Rc8 21.Kd3 Nd7 22.f4 Nc5 23.Kd2 Ne4 24.Kd1 Rc4 25.Ra1 Rc3 0–1. Gerold – Andersson, corr ICCF 1984.

7.Bb2 Nb6

8.a3 Bd6 9.cd5 Nfd5 10.d3 –/+.

8.cd5 Nbd5

9.Na3 a6 10.Nc4+= Bf5 11.a3 Be7 (11...Bd6 12.Be2+=) 12.d3 Re8 (12...Bc5 13.Be2 b5 14.Nce5=) 13.Be2= b5 14.Nce5 Ng4 15.0–0 Bf6 16.d4 c5 17.e4 cd4 18.Nc6 Qd6 19.ed5 Be4 20.g3 d3 21.Bd3 Bb2 22.Be4 Ba1 (worse is 22...Re4 23.Qc2 Ba1 24.Qe4+/–) 23.Bh7 Kh7 24.Ng5 Kg8 25.Qg4 Bb2 (25...Be5 26.Re1 Qd5 27.Qh5=) 26.Rd1= Qg6 (26...Qa3 27.Qh5 Qd3 28.Rd3 Re1 29.Kg2 Rg1 30.Kg1 f6 31.Qh7 Kf8 32.Qh8) 27.d6 Ba3 28.Qf4 f6 29.Ne7 Re7 30.de7 Re8 31.Qf3 fg5 32.Qa3 ½–½. almanzor1 (2365) – bollewillem (2250), gameknot.com, 2014.

9.Na3 Ne4 10.Nc4 Re8 11.Be2 –/+.

9.Nc3 Bg4 +=.

9.Be2 Be6 10.0–0 Qe7 11.Qc2 Rad8 12.a3 Bd6 13.Ng5 Qd7 14.Ne6 Qe6 15.Nc3 c6 16.f4 Nc3 17.Qc3 Rfe8 18.Rf3 Qf5 19.a4 Bc5 20.Bd1 Bf8 21.Rg3 Kh8 22.Bc2 Qe6 3.a5 Nd5 24.Qd3 Nf6 25.Qe2 Ne4 Attacking the backward pawn on d2 26.Be4 Qe4 27.Qg4 Qg6 (27...Rd2?? 28.Bg7 Kg8 29.Bf6 Qg6 30.f5+–) 28.Qh3 Qc2 29.Bc3 Rd5 30.Rg5 Rd6 31.Rh5 Kg8 32.Rf1 ½–½. Janek – Stephen, internet, 2016.

9.Be2 Re8 10.0–0 c6 11.Qc2 Ne4 12.d3= Nef6 13.Nbd2 Nf4 14.Nc4 Ne2=+ 15.Qe2 Be6 16.Nce5 Qa5 17.Rfc1 Nd5 18.a3 White gets the initiative 18...Bf8 19.e4 Nc7 20.d4 Rad8 21.Ng5= Bd6?? 22.Qh5+– h6 23.Ngf7 Bf7 24.Qf7 Kh8 25.Ng6 Kh7 26.d5! Rg8 27.Qf5 (27.Qf5 Rgf8 28.Nf8 Kg8 29.Ne6 Ne6 30.Qe6 Kh7 31.dc6+–) 1–0. Sternik,Ryszard – Hardarson,GK, corr Poland–Iceland, 1994.

9.Be2 Bf5 10.a3 Ba5 11.0–0 c5 12.Qb3 Bc7 13.Bf6 Nf6 14.Qb7 Bb6 15.Qa6 h6 16.Rd1 Bc2 17.Rc1 Bb3 18.a4 Nd5 19.a5 Nb4 20.Qb5 Bc7 21.Qc5 Bd6 22.Qf5 Be6 23.Qh5+– Rc8 24.Rc8 Qc8 25.Nc3 Bc4 (25...Qd7 26.d4+–) 1–0. Myrberg,Johnny – Goan, email 4AMM–04, 1997.

9.Be2 Bf5 10.Na3 Qe7 11.Nc4 Rfd8 12.0–0 (12.a3 Bc5=) 12...Nc3 13.Bc3 Bc3 14.Rc1 Ne4 15.Qb3 Bd2 16.Ncd2 Nd2 17.Nd2 Rd2 18.Qb7 Be4 19.Rc7 Bb7 20.Re7 Bg2 (20...Bd5 21.Bf3 Bf3 22.gf3 Ra2 23.Rd1=) 21.Kg2+= Re2 22.a4 Ra2 23.Re4 a5 24.Rc1 h6 25.Rc7 ½–½. pcmvr – underjon (2425), net–chess.com, 2016.

7.Bb2 dc4

8.Bc4 Nb6 9.Bb3 Bf5 10.Ne5 Ne4 11.0–0 Nc5 12.Bc2 Bc2 13.Qc2 White fights for the Initiative 13...f6 14.d4 Ne6 15.Nd3 Bd6 16.Nc5 Bc5 17.dc5 Nd7 18.c6 bc6 19.Qc6 Ndc5 20.Ba3 Qd6 21.Qd6 cd6 22.Rd1 Rfd8 23.Nc3 Rab8 24.Rd2 Kf7 25.Rad1 Ke7 26.e4 g6 27.Nd5 Kf7 28.f3 f5 29.Nc7 Nc7 30.Bc5 Nb5 31.Bd6 Nd6 32.Rd6 Rd6 33.Rd6 Rb1 34.Kf2 Rb2 35.Kg3 Ra2 36.Rd7 Ke6 37.Rh7 a5 38.Ra7 fe4 39.fe4 Ke5 40.Re7 Kf6 41.Re8 a4 42.h4 a3 43.Ra8 Ke5 44.Kf3 Ra1 45.Ra5 Kd4 46.e5 Ra2 47.g4 Ra1 48.e6 a2? 49.Kf2+– Rb1 50.Ra2 Rb7 51.Re2 Re7 52.h5 gh5 53.gh5 Kd5 54.h6 Kc6 55.Kf3 Kd6 56.Kf4 Re8 57.e7! Kd5 58.h7 Kd6 59.Rd2 Kc7 1–0. Fritz 6 – Fritz 8, 2004.

8.Bc4 Nb6 9.Bb3 Bg4 10.Nc3 Be7 11.h3 Bf5 12.0–0 Bd3 13.Re1 Nc4 (13...Nfd7 14.Bc2 Nc5 15.Ne5=+) ½–½. Wessel,Volkmar – Kiene,Gerald, Germany, 1988.

7.Bb2 c5

8.cd5 Nd5 9.Be2 N7b6 10.0–0 Bf5 11.a3 Ba5 12.Qc1 Rc8=+ 13.Nc3 c4 14.Nd4 Nc3 15.Bc3= Bc3 16.Qc3 Be4 17.f3 Bg6 18.Rac1 a6 19.Qb4 Qc7 20.a4 Qc5 21.Qc5 Rc5 22.f4 Be4 23.d3 Bf5 24.Nf5 Rf5 25.Rb1 cd3 26.Bd3+= Rf6 27.a5 Na4 28.Rfc1 b6 29.Bc2 b5 30.Ba4 ba4 31.Rb6 Rd8 32.Rc4 a3 33.Ra4 Rd1 34.Kf2 Rb6 35.ab6 Rd2 36.Kf3 a2 37.Ra6 Kf8 38.b7 Rb2 39.b8Q Rb8 40.Ra2 Ke7 41.g4 Rd8 42.g5 Rd3 43.Ra7 Rd7 44.Rd7 Kd7 45.h4 Kd8 46.f5 Ke7 47.h5 Ke8 48.e4 g6 49.hg6 hg6 50.f6 Kd8 51.Ke3 Kc8 52.Kd4 Kd7 53.Kc5 Ke6 54.Kc6 Ke5 55.Kd7 Ke4 56.Ke7 Kf5 57.Kf7 Kg5 58.Kg7 Kh5 59.f7 g5 60.Kf6 Kh4 61.f8Q g4 62.Qh6 Kg3 63.Qe3 Kh2 64.Kg5 g3 65.Kg4 Kh1 66.Kh3 g2 67.Qf3 Kg1 68.Qg2# 1–0. Bonetti,Shane – Jockel (1795), ICC, 2002.

8.Be2 dc4=+ 9.Na3 Ba3–/+ 10.Ba3 b5 11.0–0 Bb7 12.d4 b4 13.Bc1 c3 14.Qa4 a5 15.Ne5 Qc7 16.f4 Nb6 17.Qc2 Rfd8 18.dc5 Qc5 19.Bf3 Bf3 20.Rf3 Nc4 21.Qf5 Rd1 22.Kf2 Nd6 23.Qc2 Nde4 24.Ke2 Rg1 (24...Rg1 25.Qd3 Rg2 26.Kf1 Rh2–+) 0–1. Kool,Gerard (2120) – Vucenovic,Dragomir (2300), 10. TCh–Euro sen, 2008.

7.Bb2 Nc5

8.Qc2 Bd7 9.cd5 Nd5 10.Bc4 =+.

8.Qc2 Nce4 9.cd5 Qd5 10.Bc4 Qh5 11.Be2 Qg6 12.Nh4 Qg5 13.g3 Rd8 14.Bf6 Nf6 15.0–0 c6 16.d4 Bh3 17.Rd1 Nd5 18.Nf3 Qe7 19.Qb3 a5 20.a3 a4 21.Qd3 Ba5 22.e4 Nc7 23.Nbd2 Nb5 24.Nc4? Bc3–+ 25.Rac1 Bd4 26.Nd4 Rd4 27.Qb1 Rad8 28.Bf3 Be6 29.Ne3 Qa3 30.Bg2 Qb3 31.Re1 Qb1 32.Rb1 a3 33.Nc2 Rd2 34.Na1 a2 35.Rbc1 Nd4 36.Bf1 Nf3 (36...Nf3 37.Kg2 Ne1 38.Re1 Rd1–+) 0–1. Sturc,Gustav – Lipka,Juraj, Slovak 1st League, 1994.

8.Qc2 Nfe4 9.Nc3 Bf5=+ 10.d3 Nc3 11.Bc3 Bc3 12.Qc3 dc4 13.dc4 Ne4 14.Qb2 c5–/+ 15.Qa3 Qf6 16.Rc1 Rfd8 17.Be2 a6 18.0–0 b5 19.Rfe1 b4 Black is in command 20.Qa5 g5 21.h3 h5 22.Nh2 Rd2 23.Rcd1 Rd1–/+ 24.Bd1 Qd8 25.Qd8 Rd8 26.Bc2 Rd2 27.Bb1 f6 28.g4 hg4 29.hg4=+ Bh7 30.Nf1 Rd8 31.f4 Nc3 32.Bh7 Kh7 33.fg5 fg5 34.Ra1 a5 35.Kf2 a4 36.Ke1 Rd3 37.e4? a3 38.e5 b3! 39.ab3 Rd1!! 40.Rd1 Nd1 41.e6 a2 42.e7 a1Q 43.e8Q Ne3 (43...Ne3 44.Kd2 Qd1 (44...Nf1?! 45.Ke2=) 45.Ke3 Qe1 46.Kd3 Qe8–+) 0–1. Kozlovsky,AN – Necesany,Zdenek, corr CSR–ch Czechoslovakia, 1980.

8.Qc2 Nfe4 9.cd5 Qd5 10.Bc4 Qh5 11.Bg7 Nd2 12.Nbd2 (12.Bf8?! Nf3 13.Kf1 Kf8=) 12...Bd2 13.Qd2 Kg7 14.Qd4 Kg8 15.g4 Qh3 (15...Qg4 16.Rg1) 16.Ng5 (16…Qg2 17.Bd5 Qg4 18.Bf7 Rf7 A) 19.Qc5? Rf5 20.Nh7 Rc5 (20...Kh7?! 21.Qc7 Qg7 22.Rc1–/+) 21.Nf6 Kf7 22.Ng4 Bg4–+; B) 19.Nf7 Qd4 20.Nh6 Kg7 21.ed4–/+) –+. Mueller,Klaus_Uwe – Chmelik,J, corr ICCF, 1985.

8.Qc2 Nfe4 9.cd5 Qd5 10.Bg7 Nd2 11.Nfd2 (11.Bf8 Nf3 12.Ke2 Bg4–+) 11...Bd2 12.Nd2 Kg7 13.Be2 Qe5 14.0–0 Bf5 15.Qc4 b6 16.Nf3 Qf6 17.Nd4 Rad8 18.Nf5 Qf5 19.Rad1 Qe4 20.Qc3 f6 21.Bf3 Qe5 22.Qc4 a6 23.Rd4 b5 24.Qc1 Ne6 (24...Rd4!? 25.ed4 Qd4=) 25.Re4+/– Qd6 26.Rd1 Qb6 27.Rd8 Rd8 28.Bg4 Rd6 29.Be6 Re6 30.Re6 Qe6 31.Qc7 Kh6 32.Qc2 b4 33.h3 a5 34.g4 Qd5 35.e4 Qe6 36.Qa4 Qe5 37.Qc6 Kg5 ½–½. Wantoch_Rekowski,Jacek (2305) – Kukula,Pawel (2060), 3. Email Team Championship Poland, 2006.

8.Nc3 Bg4 9.Be2 dc4 10.Bc4=+ Nfe4 11.Be2 Bc3 12.dc3 Qf6 13.Qc2 Rfd8 14.Rd1 Rd1–/+ 15.Bd1 Qa6 16.Be2–/+ Qa2 17.0–0 Qa4 18.Bd3 Qc2–+ 19.Bc2 Bf3 20.gf3 Nd2 21.Rd1 Nc4 22.Bc1 c6 23.e4 a5 24.Bf4 a4 25.Bd6 Nd6 26.Rd6 a3 (26...a3 27.Rd1 a2–+) 0–1. Bravo Ardila,P – Pons Segales,J, corr CEAPE, 1987.

8.Nd4 Bg4 9.Qc2 Re8 10.a3 Ba5 11.cd5 Qd5 12.Qc4 Qg5 13.Be2 Be2–/+ 14.Ne2 Nfe4 15.0–0 Bd2 (15...Bd2 16.h4 Qd8=+; < 15...Nd2 16.Nd2 Bd2 17.h4+=). Sternik,Ryszard – Siigur,J, corr ICCF EU/M/GT/252 (year?).

8.cd5 Qd5 9.a3 Ba5 10.Bf6 gf6 11.Nc3 Bc3 12.dc3 Qd1 13.Rd1 Ne4 14.c4 Bg4 15.Rd4 Rfe8 16.Bd3 Bf3 17.gf3 Ng5 18.Ke2 Rad8 19.Rd8 Rd8 20.Rg1 Kh8 21.Rg3 Ne6 22.Rh3 Nf8 23.Be4 b6 24.f4 Kg7 25.Rg3 Kh8 26.Bd5 Rd7 27.f5 Re7 28.e4 Nd7 29.Ke3 Nc5 30.Kf4 h6 31.Ke3 Kh7 32.f4 Na6 33.Bc6 Nb8 34.Ba4 c6 35.Rg1 Rd7 36.h3 a6 37.Bc2 c5 38.Rb1+– Rb7 39.e5 b5 40.Be4 Rc7? 41.e6 Kg7 42.cb5 fe6 43.fe6 f5 44.b6 Re7 45.Bf5 Kf6 46.Ke4 Nc6 47.Rg1 Rg7 48.Rg7 Kg7 49.Kd5 Ne7 50.Kc5 (50.Kc5 Nf5 51.b7+–) 1–0. b4_player – gm_arg, gamecolony.com, 2006.

8.cd5 Bf5 9.Be2 Nd5 10.0–0 c6 11.Nc3 Bc3 12.Bc3 Nc3 13.dc3 Ne4 14.Qb3 Qe7 15.Rad1 Rad8 16.h3 h6 (16...Bg6 17.Rd4+=) 17.c4 (17.a3 c5+=) 17...c5 18.Rd5 Be6 19.Rdd1 b6 20.Rfe1 Qf6 21.Rd8 Rd8 22.Qc2 Ng5 23.Ng5 Qg5 24.Kf1 Qe5 25.Bg4 (25.Kg1!?+=) 25...Bg4–/+ 26.hg4 Qh2 27.f3 h5 (27...Rd7 28.Kf2–/+) 28.gh5+= Qh5 29.Kg1 Qg5 30.f4 Qe7 31.Kf1 Qh4 32.Rc1 Re8 33.Qd2 g5 34.fg5 Qg5 The isolani on e3 becomes a target 35.Kf2 Re6 36.Rf1 Qe5 37.Qe2 Kg7 38.Qe1 (38.Rd1 Qf5 39.Kg1 Qf4 40.Qb2 Qe5 41.Qe5 Re5–/+) 38...Qe4 39.Qe2 Kf8 40.a4 (40.Rd1 Qh4 41.Kg1 Rh6–/+) 40...Ke7 41.Kg1 Qe3 42.Qe3 Re3 43.a5 Rc3 44.ab6 ab6 45.Rf4 Rc2 46.Kh2 Ke6 47.Kg3 (47.Kh3 Ke5 48.Rf7 Rc4–+) 47...Ke5–+ 48.Rh4 (48.Rf7 Rc4 49.Rb7 Rb4–+) 48...f5 49.Kf3 Rc3 50.Ke2 f4 51.Rh6 Re3 52.Kf2 Rb3 53.Ke2 Ke4 54.Re6 Kd4 55.Rf6 f3! 56.gf3 (56.Rf3 Rb2 Deflection (56...Kc4 Zwischenzug); 56.gf3 Rb2 Double attack (56...Kc4 Zwischenzug)) 56...Rb2 57.Ke1 Kc4 58.f4 Rb1 59.Ke2 b5 60.f5 Rh1 61.Re6 Rh5 62.f6 Rf5 0–1. pierred (2795) – underjon (2425), net–chess.com, 2016.

8.Nf3 Bf5 9.Be2 Nd5 10.0–0 Re8 11.d4 Ne4 –+.

6.Nf3 Bf5

7.a3 Be7 +=.

7.Bb2 Nc6!? –/+.

7.Qb3 Nc6 8.Bb2 (8.Bf4 dc4 9.Bc4 Ne4+=) 8...Qd6 (8...a5 9.Qa4–/+) 9.a3 dc4 (9...Ba5 10.Nc3+=) 10.Bc4= Ba5 11.0–0 (11.Qb7?? Rab8 12.Qb5 Rb5 13.Bb5 Rb8–+) 11...Bb6 (11...a6 12.Bf6 (12.Qb7? Rfb8 13.Bf7 Kh8 14.Qa8 Ra8–+) 12...Qf6 13.d4=) 12.Ng5 (12.Qb5 Be4=) 12...Bg6+= 13.Bc3 (13.Be2 Rfe8+=) 13...Ne5 14.Rc1 (better is 14.Be2!?+=) 14...Nfg4–+ 15.Bb4 (better is 15.h3 Nd3 16.hg4 Nc1 17.Qb2–+) 15...Bc5?? (better is 15...c5 16.f3 cb4 17.fg4 Qf6 18.Nh7 Kh7–+) 16.Bc5+/– Qc5 17.Bf7 (17.Bf7 Bf7 18.Qf7 Nf7 19.Rc5 Ng5 20.Rg5 Nf2 21.Nc3=; better is 17.Ne6!? Qd6 18.Nf8 Rf8 19.f4 (19.Qb7? Nd3 20.f4 Nc1–+) 19...Nc4 20.Rc4+/–) 1–0. Wall,Bill – Greenwalt,Mark, Dayton, OH, 1983.

7.Nc3 dc4 8.a3 Bc3 9.dc3 +=.

7.a3 Ba5

8.Qb3 dc4 9.Qb7 Be4 =.

8.Qb3 Nbd7 =.

8.cd5 Nd5+= 9.Qb3 Nc6 10.Bb2 Qd6 11.Be2 (11.Qb7?? Rab8 12.Qa6 Rb2–+) 11...Rad8 12.0–0 (12.Qb7?? Rb8 13.Qa6 Rb2–+) 12...Rfe8 13.d4 (13.Qb7? Rb8 14.Be5 Re5–+) 13...Re6 (13...Be6 14.Bc4 (14.Qb7? Rb8 15.Qa6 Bc8–+) 14...Nb6 15.Be6 Re6 16.Bc3=) 14.Nc3 (14.Qb7? Rb8 15.Qa6 Rb2–+) 14...Bc3 15.Bc3 Rg6 16.Rac1 Be4 17.g3 (17.Ba1 Qe6 18.Nh4 Nf4 19.Qe6 Ne2 (19...fe6?? 20.ef4 Rh6 21.Nf3+–) 20.Kh1 Re6–+ (20...fe6?! 21.Ng6 Nc1 22.Nf4–+)) 17...Ne3 (better is 17...Nb6!?=) 18.fe3+= Rg3 19.Kf2 Rh3 20.Ke1 (20.Qb7? Rb8 21.Qa6 Bf3–+) 20...Bd5 21.Qb2 (21.Qb7 Nd4 22.Qd5 Qd5 23.Bd4 Qa5 24.Kf2 Rh5+=) 21...Re8 (21...Qe7 22.Bd2 Bf3 23.Rf3 Rf3 24.Bf3 Nd4 25.Qb7 Qh4 26.Kd1 Nf3 27.Qf3 Qh2=) 22.Qd2 (22.Bd2!?+=) 22...Qa3= 23.Rf2 Qe7 24.Bb2 b6 (24...Qe3 25.Qe3 Re3 26.Ne5–/+) 25.Kf1 (25.Rc3 a5=) 25...f6 (25...Qe3 26.Qe3 Re3 27.Ng5+=) 26.Qd3 (26.Bc4 Bc4 27.Rc4 A) 27...Qe3? 28.Qe3 (28.Rc6?! Rf3 29.Qe3 Rfe3=) 28...Re3 29.Kg2+–; B) 27...Qe4=) 26...Qd7 (26...Qe3!? 27.Qb5 Qe6+=) 27.Rc3 Nb4 28.Qb5 (28.Qd2 a5=) 28...Qb5 29.Bb5 c6 30.Be2 b5 31.Ke1 a5 32.Kd2 a4 33.Ne1 Rh4 34.Rc5 Na6 35.Rc1 Nc7 36.Ba3 Ne6 37.Nf3 Rh3 38.Rc3 (38.Ng1 Rh6+=) 38...Be4 (38...f5 39.Ne5 Ng5 40.Bd3 Ne4 41.Be4 Be4 42.Nc6 Bc6 43.Rc6 Rhe3 44.Bd6=) 39.Bd6 Ra8 40.Rc1 (40.Ra3 Rd8 41.Bg3 f5=) 40...a3 41.Ra1 a2 42.Bg3 Ra3 (42...f5 43.Kc1 Ra3 44.Ne5=) 43.Ne1 (43.Nh4 Ng5 44.Bg4 b4+=) 43...f5+= 44.Bf1 Rh6 45.Bd6 Ra4 46.Be5 g5 (46...g6 47.Kc1 Bb1 48.Nf3=) 47.Nd3+= f4 48.ef4 gf4 49.Nf4 Nf4 (worse is 49...Nd4 50.Bd4 Rd4 51.Ke3+/–) 50.Rf4 (50.Bf4 Rf6+= (50...Rd4?? 51.Ke3 Rh5 52.Kd4+–)) 50...Rh2 51.Be2 Bg6 52.Rg4 (52.d5 Rf4 53.Bf4 Rh4=) 52...Rh3+= 53.d5 cd5 (53...Rg4 54.Bg4 Rd3 55.Ke2 Rd5 56.Be6 Bf7 57.Rg1 Kf8 58.Bd5 Bd5 59.Rg7=) 54.Ra4= ba4 55.Ra2 a3 56.Ra1 Rb3 57.Bc3 Rb2 58.Ke3 (58.Bb2? ab2 59.Rg1 b1Q 60.Rb1 Bb1–+) 58...Rb3 59.Kd4 (59.Kd2 Rb2 60.Ke3 Rb3 61.Kd2=) 59...Kf8 (59...Be4 60.Bg4+=) 60.Bf3 (60.Ra3 Ra3 61.Bb4 Kg7 62.Ba3 Be4=) 60...Be4 61.Bh5 (61.Be4 de4 62.Ra3 Ra3 63.Bb4 Ke8 64.Ba3 Kd7=) 61...Bg6 (61...Ke7 62.Ra2=) 62.Bg4 (62.Bf3 Be4 63.Be4 de4 64.Ra3 Ra3 65.Bb4 Kg7 66.Ba3 Kf6=) 62...Ke7 63.Ra2 Bf7 64.Re2 Kd6 65.Rf2 h5 66.Bh3 (66.Bd1 Rb1 67.Ba4 Be6+=) 66...Ke7+= 67.Bf5 Rb7 (67...Be6!? 68.Re2 Rb6+=) 68.Ra2+= Ra7 (68...Kf6 69.Bc2=) 69.Bb4 Kf6 70.Bc2 Bg6 71.Bg6 ½–½. Llull,Roger (2255) – Cirulis,Ilmars (1920), FICGS, 2016.

8.cd5 Nd5 9.Qb3 Nc6 10.Bb2 Qd7 11.Be2 Rad8 12.0–0 Rfe8 13.Nc3 (13.Qb7?? Rb8 14.Qa6 Rb6–+ (14...Rb2?! 15.Bb5 Rb5 16.Qb5–+)) 13...Bc3 14.Bc3 Nf4 15.Bc4 Ng2 16.Ng5 Bg6 17.Bf7 (17.Qb7? Rb8 18.Qa6 Qg4–+) 17...Bf7 18.Nf7 Qf7 19.Qf7 Kf7 20.Kg2 Ne7 21.a4 b6 22.Rfc1 c5 23.d4 cd4 24.Bd4 Nf5 25.Bc3 Rc8 26.Kf3 g5 27.Rab1 Rc4 28.a5 g4 29.Ke2 ba5 30.Ba5 Nd4 31.Kd3 Rc1 32.Rc1 Nf3 33.Ra1 h5 34.Bc7 Re7 35.Bg3 h4 36.Bf4 Ke6 37.Ra6 Kf5 38.Ra5 Ke6 39.e4 Rd7 40.Ke3 Rb7 41.Ra6 Rb6 42.Ra7 Rb3 43.Ke2 Rb2 44.Ke3 Rb3 45.Ke2 Rb2 46.Ke3 Rb3 ½–½. daxthedog (2110) – maltedk (2335), gameknot.com, 2015.

8.cd5 Nd5+= 9.Nd4 Bc8 +=.

8.Be2 dc4 9.Bc4 c5 (9...Nc6 10.0–0+=) 10.0–0 (10.Qb3 b6=) 10...Nc6 11.Bb2 (11.d4 Rc8 12.Qb3 Ng4+=) 11...Bc7 (11...a6 12.a4+=) 12.d4= cd4 13.ed4 (13.Nd4 Ng4 14.g3 Nd4 15.Bd4 Ne5+=) 13...Rc8 (13...Qd6 14.Nbd2+=) 14.Re1 Bb6 15.Bb3 Bg4 16.d5 Na5 17.Ra2 Nb3 (17...Rc5 18.h3 Bh5 19.Bf6 Qf6 20.Nbd2–/+) 18.Bf6 Qf6 19.Qb3 Rfe8 20.Re8 Re8 21.Qb5 Re7 (21...Qe7 22.d6 Qe6 23.Rd2–/+) 22.Re2 Kf8 (22...Bc5 23.Re7 Qe7 24.Nbd2–/+) 23.Nbd2 (23.Qb4 Bf3 24.gf3–+) 23...Qa1 24.Nf1 Qa3 25.Re7 Qe7 (25...Ke7 26.d6 Kd6 27.Qe5 Kd7 28.Qb5 Kc7 29.Qc4 Qc5 30.Qf7 Kd6 31.Qf4 Ke7 32.Ng5–/+) 26.Ne5 Qe5–+ 27.Qb4 Kg8 28.Qg4 g6 29.Qc4 Qb2 30.Ne3 Qa1 31.Nf1 a5 32.h4 a4 33.h5 Qd4 34.Qc8 Kg7 35.h6 Kf6 36.Ne3 a3 37.Qa8 Qa1 38.Kh2 Qe5 39.Kh1 Be3 40.fe3 Qe3 41.Qb7 Qh6 42.Kg1 Qc1 43.Kh2 Qc4 (43...Qc4 44.d6 Qh4 45.Kg1 Qd4 46.Kh2 Qd6 47.Kh1 Qd1 48.Kh2 Qh5 49.Kg1 Qc5 50.Kh1 Qc1 51.Kh2 Qb2–+) 0–1. Lifshitz,Samuel – Rosso,Pierandrea, CP–2003–F–00001, 2007.

7.Bb2 c5

8.cd5+= Nd5 9.Nc3 Bc3 10.dc3 Nc6 11.Be2 Nf6 12.0–0 Qb6 13.Qb3 Rfd8 14.Rfd1 Rd1 15.Rd1 (15.Bd1 Bd3+=) 15...Qb3+= 16.ab3 Bc2 17.Rd6 Bb3 18.c4 Kf8 (18...Rd8 19.Rd8 Nd8 20.Bd3+=) 19.Bf6 (19.Ba3 Nb4 20.Ne5 Ke7+=) 19...gf6 20.Rf6 (20.Rd7 Na5 21.Kf1 Rc8+= (worse is 21...Nc4 22.Rb7 Nb6 23.Bd3+=)) 20...a5–/+ 21.Ng5 a4 22.Rf7 Kg8 23.Bd3?? (23.Bh5 a3 24.Ne4–/+ (24.Rh7 Bc4 25.Ne4 Kh7–+; 24.Nh7?? Bc2 25.e4 Be4 26.Nf6 Kh8 27.Ne4 a2–+; 24.Rb7?? a2 25.Bf7 Kh8–+)) 23...a3–+ 24.Bh7 (24.Rh7?? a2 25.h4 a1Q 26.Kh2 Na5–+; 24.Rb7?? a2 25.Bh7 Kh8 26.Rb3 a1Q 27.Rb1 Qf6–+) 24...Kh8 25.Bg6?? (better is 25.Bf5 Bc4 26.Ne6 (26.Rb7?? a2 27.h4 a1Q 28.Rb1 Qa2–+) 26...Be6 27.Be6–+) 25...Ne5–+ 26.Rh7 Kg8 27.Bb1 Rd8 28.Rg7 Kg7 29.Ne6 Kh6 30.Nd8 b6 31.Kf1 Bc4 32.Ke1 b5 0–1. marekt (2160) – almanzor1 (2415), gameknot.com, 2014.

8.cd5 Nd5 9.Be2 Qe7 10.Nc3 Nc3 11.dc3 Ba5 12.0–0 Nc6 13.Qa4 Rfd8 14.Rfd1 Bc7 15.Rd8 Rd8 16.Rd1 Rd7 17.Rd7 Qd7 18.Qd1 Qd1 19.Bd1 Na5 20.Nd2 Be6 21.a4 f5 22.f4 g6 23.Kf2 Kf7 24.h4 Nc4 25.Nc4 Bc4 26.g3 b6 27.h5 Ke6 28.hg6 hg6 29.Bc2 Bd8 30.e4 fe4 31.Be4 g5 32.f5 Kd6 33.Bc2 Ke7 34.g4 Bc7 35.Bc1 Kf6 36.Bd2 Bf4 37.Be1 Ba2 38.Ke2 Bh2 39.Kd3 Bd5 40.Bd1 Ke5 41.c4 Be4 42.Kd2 Kd4 43.Bf2 Kc4 44.Be3 Kd5 45.Bg5 Bd6 46.Bh6 Be5 47.Bc2 Bf3 48.g5 Bf4 49.Kc3 c4 50.f6 Bh5 51.Bh7 Bf7 52.g6 Bh6 53.gf7 Bf8 54.Bf5 a5 55.Bd7 Bb4 56.Kc2 Ke5 57.Bb5 ½–½. deepthough (2370) – daxthedog (2235), gameknot.com, 2015.

7.Nc3 Nbd7

8.Bf4 Nb6 9.Qb3 a5 10.cd5 Nfd5 11.Nd5 Nd5 12.Bg5 +=.

8.Bf4 Bc3 9.dc3 c6 10.Bd3 (10.Be2 Ne4 11.Rc1 Nb6+=) 10...Bd3–/+ 11.Qd3 Nc5 12.Qe2 (12.Qf5 Nfe4 13.0–0 dc4–/+) 12...Qa5 (12...dc4 13.Qc4 Nd3 14.Ke2 Nf4 15.Qf4–/+) 13.0–0+= Rfe8 (worse is 13...Qc3 14.Bd6 b6 15.Bf8 Rf8 16.cd5 Nd5 17.Nd4+/–) 14.Be5 Nfd7 15.Bd4 Ne4 16.cd5 (16.Nh4 dc4 (worse is 16...Nc3 17.Qe1+=) 17.Rab1 Nb6–/+) 16...c5 (16...Nc3? 17.Qd2 Qd5 18.Qc3+–; 16...cd5?! 17.Rfd1=) 17.Bg7 Kg7 18.c4 Qa6 (18...Nb6 19.Rac1–/+) 19.Nh4 (19.Qc2 Nd6 20.Rfc1 Rad8–/+) 19...Kh8 (19...Ne5 20.Nf5 Kh8 21.Rac1–/+) 20.Qh5 (20.Qc2 Nd6 21.Rfc1 Ne5–/+) 20...Qc4 (20...Ne5 21.Rac1–+) 21.Qf7–/+ Nef6 (21...Ne5 22.Qh5 Qd5 23.f4–+) 22.Nf5 Rg8 23.Rfd1 Rae8 24.g3 Qc2 25.Ne7?? (25.e4 Ref8 26.Qe6 Ne4 27.Rf1–+) 25…Rg7 (25...Rg7 26.Qe6 Rge7–+) 0–1. Yeung,Chun Keung (1640) – Bjazevic,Pavao (2245), corr WSTT/3/06/Semifinal, 2008.

8.Bf6 Qf6 9.Nd5 Qb2 10.Nb4 Qb4 11.Qb3 +/–.

8.Bf6 Qf6 9.Nd5 Qb2 10.Nb4 Qb4 11.Be2 +/–.

8.Bf6 Nf6 9.Qb3 Bc3 10.dc3 Be4 11.Rd1 c5 12.cd5 (worse is 12.Qb7 Qa5 13.Qb2 Rab8–+) 12...Bd5 13.Bc4 Bc4 14.Qc4 Qe7 15.0–0 Rfd8 16.Nd2 g6 17.h4 Kg7 18.Rfe1 b6 19.e4 Ng4 20.Nf3 Rd1 21.Rd1 Qf6 22.Rd7 (22.Re1 Rd8+=) 22...Qf4 23.Qd3 Qc1 24.Qd1 Qc3 25.Ng5 Ne5 26.Re7 h6 27.Ne6 Kh8 28.Nc7 Rf8 29.Nd5 Qb2 30.Ra7 c4 31.h5 Nd3 32.Qf3 Qa1 33.Kh2 Qe5 34.Kg1 Qa1 35.Kh2 Qe5 36.Kg1 Qa1 ½–½. marekt (2105) – uberlebende (2090), gameknot.com, 2014.

8.Bf6 Nf6 9.Qb3 Bc3 10.Qc3 c5 11.cd5 b6 12.Bc4 Be4 13.Be2 (13.d3 Bf3 14.gf3 Nd5+=) 13...Nd5 14.Qc4 Nf6 15.0–0 Bd5 16.Qc2 Re8 17.Rac1 Rc8 18.Qa4 Qc7 (18...Ne4 19.d4+= (19.Qa7?? Ra8 20.Qa8 Qa8–+)) 19.d4 h6 (19...Ne4 20.Ba6 Rcd8 21.Rfd1=) 20.dc5 (20.Ne5 Qb8=) 20...bc5= 21.Rfd1 c4 22.Rc2 (22.Nd4 h5=) 22...Re6 (22...c3!?+=) 23.Nd4+= Rb6 24.Qa3 Qb7 (24...Rcb8 25.Qa5+=) 25.f3+= Rb1 26.Rb1 Qb1 27.Bf1 (27.Kf2 Qb8 28.Nf5 Kh7+=) 27...c3 (27...Qb6 28.Rb2 Qc7 29.Qc3+=) 28.Kf2 (28.Rc3 Rc3 29.Qc3 Ba2+=) 28...g6 (28...Be6!?=) 29.Ba6+= Rc7 30.Qa5 (30.Bd3 Qb6+=) 30...Qb6 (30...Qb8 31.h3+=) 31.Qb6+/– ab6 32.Bb5 Rc5 33.a4 Kf8 (33...Kg7 34.e4 Ne4 35.fe4 Be4 36.Rc1+/–) 34.e4 (34.Ne2 Bc6 35.Bc6 Rc6 36.Rc3 Rd6+/–) 34...Bb7 (34...Ne4 35.fe4 Be4 36.Rc1+–) 35.Ke3 Ne8 36.Kd3 Nc7 37.Rc3 Rc3 38.Kc3 Ke7 39.Nc2 Kd6 40.Bc4 f6 41.Ne3 Bc8 42.h4 (42.Kb4 Bd7+–) 42...g5+/– 43.h5 Kc5 44.Bf7 Be6?? (better is 44...b5 45.a5 b4 46.Kb3 Nb5+/–) 45.Be6+– Ne6 46.Nf5 Nf4 47.g4 Ne2 48.Kb2 Nd4 49.Nh6 Nf3 50.Ng8 Ne5 51.h6 Nf7 52.h7 Kd6 53.Nf6 Ke5 54.Nd7 Kd6 55.Nb6 1–0. forsetinn (2215) – antinephilehi (1925), gameknot.com, 2014.

8.Bf6 Nf6 9.Qb3 Bc3 10.Qc3 c5 11.cd5 Rc8 12.Bc4 Be4 13.Qb3 Nd5 (13...Rb8 14.Qa3+=) 14.Qb7= Rb8 (14...Bf3 15.gf3 Nb6 16.Be2=) 15.Qc6 (15.Qa7 Qd6 16.Qa4 Rb4=) 15...Qe7 (15...Rc8 16.Qb5=) 16.Bd5+= Rb6 17.Bf7 Rf7 (17...Qf7 18.Ng5 Double attack (18.Qe4 Discovered attack; 18.Qe4 Deflection; 18.Ng5 Decoy; 18.Qe4 Overloading); 17...Rf7 18.Qc8 Pinning; 17...Kf7 18.Qe4 Combination) 18.Qc8 Rf8 19.Qg4 Bd3 20.Rc1 Qf7 0–1. Stapinski,Ryszard (1910) – Allerberger,Peter, EU/WS/H/022 ICCF, 2011.

8.Bf6 Nf6 9.Qb3 c5 10.Nd5 Nd5 11.cd5 Be4 12.a3 Ba5 13.Bc4 Rb8 14.a4 a6 15.0–0 Bc7 16.Rfc1 Qd6 17.h3 Rfd8 18.Be2 (18.a5 Bf3 19.gf3 Qh2 20.Kf1 Ba5=) 18...b5 (worse is 18...Qd5 19.Qd5 Rd5 20.d4=) 19.d3 Bd5 20.Qc2 c4 21.e4 (21.dc4 Bf3 22.Bf3 Qh2 23.Kf1 Be5+=) 21...Bc6 22.ab5 ab5 (worse is 22...Bb5 23.d4 Qe7 24.e5+=) 23.Ra6 Qd7 24.dc4 b4 25.Rd1? (better is 25.Qb3+=) 25...b3–+ 26.Qb1 Be4! 27.Rd7 (27.Qe4 Qd1 Pinning) 27...Bb1 28.Rc7 b2 29.Rcc6 Be4 30.Rcb6 b1Q 31.Rb1 Rb1 (31...Bb1?! 32.c5+=) 32.Kh2 Rb2 33.Ng1 Rdd2 34.c5 g5 (34...Re2?! 35.Ne2 Re2 36.c6+=) 35.Kg3 (35.c6 Rbc2 36.h4–+) 35...Re2 36.Ne2 Re2 37.f3 Bg6 38.c6 (38.f4 gf4 39.Kf4 Re4 (worse is 39...Rg2 40.c6 Kg7 41.Ke5–+) 40.Kg3 Rc4–+) 38...Rc2 39.h4 gh4 40.Kh4 Kg7 0–1. forsetinn (2175) – conde7 (2515), gameknot.com, 2014.

6.Nf3 Ng4

7.a3 Ba5 8.Qa4 Nc6 9.Be2?? Bf3–/+ 10.gf3 Bd2! 11.Nd2 Ne5 12.c5 c6 13.Rb1 Rb8 14.Qa7=+ Qe7 15.Qa5 Rfe8 16.Qb4 Ned7 17.Nb3 Qe5 18.0–0 Qg5 19.Kh1 Qh4?? 20.Qh4+– 1–0. Fredek (2090) – Guest798458, Freundschaftspartie, 5m + 0s, 2005.

7.Bb2 c6 8.cd5 cd5 9.Bb5 a6 10.Ba4 b5 11.Bb3 Bb7 12.0–0 Bd6 13.d4 f5 14.Ba3 Nh2?? 15.Bd6?? Nf1? 16.Bf8+– Ne3 17.fe3 Qf8 18.Ne5 Nc6?? 19.Bd5 (19.Bd5 Kh8 20.Nf7 Qf7 21.Bf7+–) 1–0. mtr – killingjoke, Caissa's Web, 2001.

7.Bb2 Re8 8.Qb3 Nc6 9.cd5 Nd5 10.a3 Bf8 11.Be2 Qd7 12.h3 Be6 13.Qd1 Bd6 14.0–0 Bh3 15.Ng5 Bf5 16.Bc4 Be5 (16...Be5 17.d4 Bf6–/+) 0–1. VAHVIS – tarby, ChessWorld.net, 2009.

7.Qb3 Bf3 8.Qb4 Nc6 9.Qb2 Ne5 10.Qe5 Re8 11.Qb2 Be4 12.d3 Bf5 13.Nd2 c6 14.d4 Ne4 15.Rc1 Qa5 16.Be2 b5 17.c5 Re6 18.Bf3 Rg6 19.Be4 Be4 20.f3 Bf5 21.0–0 Re8 22.Rfe1 Rge6 23.Rc3 h5 24.Ra3 Qc7 25.Nf1 h4 26.Rb3 a5 27.Qc3 Qd8 28.Rb2 a4 29.g4 Bh7 30.h3 f5 31.Rg2 fg4 32.fg4 Rf8 33.Ree2 Rf3 34.Rgf2 Rh3 35.Rh2?? Qg5–+ 36.Reg2 Rf3 37.Rf2 Rf2 38.Kf2 Rf6 39.Ke1 Qg4 (39...Qg4 40.Rf2 Rf2 41.Kf2 h3–+) 0–1. Thoma,Theo (2100) – Taulien,Hans_Juergen (2350), RSM2004 remoteschach.de, 2004.

7.h3 Bf5 8.a3 Ba5 9.Bc3 Nc6 10.cd5 Nd5 11.Ba5 Na5 12.d4 Qe7 13.Nbd2 c5 14.Qa4 b6 15.Rc1 (15.dc5 Qc5 16.Qd4 Rfc8 17.Qc5 bc5=) 15...Rfd8 (15...Bd7 16.Bb5 Bb5 17.Qb5=) 16.Be2 (16.dc5 Rac8 17.Qb5+=) 16...Bd7 17.Qc2 cd4 18.Nd4 Qa3 19.Nc4 Qb4 20.Qd2 Nc6 21.Qb4 Ndb4 22.Nc6 Bc6 23.f3 Ba4 24.Kf2 b5 25.Na5 Rd2 26.Rc3 Rb2 27.Rhc1 Kf8 28.Nb7 g6 29.Nc5 Rd8 30.Na4 ba4 31.Ke1 Rd5 0–1. Boehnke,Hartmut – Farmer,Walter, DESC Meisterschaft, 2004.

7.h3 Bh5 8.Be2 Nbd7 9.Bc3 Bd6 10.0–0 c6 11.Nd4 Be2 12.Qe2 Re8 13.Nf5 Bf8 14.cd5= Nd5 15.Nh6 gh6 16.Qg4 Qg5 17.Qd7 Re6? 18.f4 Qg3 19.Qb7+/– Rg6 20.Rf2 Re8 21.f5?? Nf4=+ 22.Kf1?? Nd3–+ 23.Re2 Qh2 24.Rf2 Qh1 25.Ke2 Nc1 26.Kf3 Qd1 (26...Qd1 27.Re2 Qe2 28.Kf4 Nd3#) 0–1. Sieber,Martin – Hradecky,I (2095), Alpress Cup, Frydek Mistek CZE (5), 2005.

7.Nc3 Nbd7

8.Qb3 Bf3 9.Bf6 gf6? 10.Qb4 Bh5 11.Nd5 +–.

8.Qb3 Bf3 9.Bf6 Qf6 10.Qb4 d4 11.gf3 dc3 12.Qc3 Ne5 =.

8.Qb3 Bf3 9.Bf6 Nf6?! 10.Qb4 Bh5 11.cd5 =.

7.cd5 Nd5

8.Bb2 Nd7 9.Be2 N7f6 10.h3 Be6 11.0–0 c6 12.Na3 Qe7 13.Nc4 Rfd8 14.Qb1 b5 15.Nce5 Rac8 16.a4 a6 17.ab5 ab5 18.Rc1 Attacking the backward pawn on c6 18...Rd6 (18...Qe8 19.Nd4 Bd2 20.Rc6+/–) 19.Nd3 c5 (19...Bf5!? 20.Nd4 Bd3 21.Bd3 Qe8 (21...Bd2? 22.Rc2 Bb4 23.Bb5+–) 22.Nb5 cb5 23.Rc8 Qc8 24.Bf6 Nf6+/–) 20.Nb4+/– Nb4 21.d4 cd4 (21...Ba2 22.Ra2 Na2 23.Qa2+–) 22.Ba3 (22.Rc8 Bc8 23.Bd4 Ra6+–) 22...Rc1+/– 23.Qc1 d3?? (better is 23...Ra6 24.Nd4 Qf8+–) 24.Bb4+– de2 25.Bd6 Qd6 (25...Qb7+–) 26.Ra8 (26.Ra8 Qf8 27.Rf8 Kf8 28.Qc5 Kg8 29.Qb5 e1Q 30.Ne1+–) 1–0. pcmvr – cristero (2485), net–chess.com, 2016.

8.Nc3 Nf6 =+.

8.Be2 Re8 9.a3 Bf8 10.Bb2 Nd7 11.0–0 c6 12.Nc3= Qa5 13.Nd5 Qd5 14.h3 Bh5 15.Qc2 Nc5 16.Bc4 Bg6 17.Qc1 Qd8 18.d4=+ Nd7 19.Qc3 Nb6 20.Bb3 Nd5 21.Qc4 Be4 22.Bd1 Bd6=+ 23.Qb3 Bc7 24.a4 Bf3 25.Bf3= Qd6 26.g3 Re3 27.Qd1?? Rae8–+ 28.Bg2 Re2 29.Ba3 Qg6 30.Bd5 cd5 31.Rc1 Bd8–+ 32.Rb1 b6 33.Rb2 R2e4 34.Bb4 Qe6 35.Kg2 Bf6 36.Rd2 Rc8 37.a5 Rc4 38.ab6 ab6 39.Ra2 h6 40.f3 Re3 41.Be1 Rd4 42.Qc2 Rdd3 43.Ra8 Kh7 44.Rf2 g6 45.h4? h5 (46.Bd2 Ra3 47.Be3 Ra8–+ (47...Qe3?! 48.Ra3 Qa3 49.Qc7+=; 47...Re3?! 48.Qc7=+); 45...Bd4!? 46.h5–+) 0–1. Staberg,Karl_Arne – Nordahl,Gunnar, corr SSKK 1–468, 1995.

8.h3 Be6 9.a3 Be7 10.Bb2 +=.

8.h3 Bh5 9.Be2+= Nd7 (9...Nc6 10.Bb2+=) 10.Bb2 c6 (10...Nc5 11.0–0+=) 11.0–0= Qc7 12.a3 Bd6 13.Nc3 N7f6 14.Rc1 Nc3 15.Rc3 Nd5 16.Rc1 (16.Rc4 Rae8=) 16...Qe7 (16...Rfe8 17.Nd4 Be2 18.Qe2 Bh2 19.Kh1+=) 17.a4 Rad8 18.Nd4 (18.Qb3 Rfe8=) 18...Be2 19.Qe2 Qe5 20.f4 Qe4 21.Rf3 Nb4 22.Ba1 (22.Rg3 g6 23.Qf3 Rfe8+=) 22...Rfe8 (22...Nd3 23.Rcf1 g6 24.Rg3+=) 23.g4 (23.Qc4!?+=) 23...Nd3–/+ 24.Rcf1 Nf4 (24...f6 25.Qg2–/+) 25.Rf4 (25.Qd1!? Ne6 26.Rf7+=) 25...Bf4–/+ 26.Rf4? (26.Qf2 Be3! 27.de3 Qe3 28.Qe3 Re3 29.Nf5 Rh3 30.Bg7+=) 26...Qf4!–+ 27.ef4 Re2 28.Ne2 Rd2 29.Kf2 Ra2 30.Be5 Ra4 31.g5 b5 32.Nd4 Rc4 33.Ke3 (33.Kf3 a5 34.Nf5 g6–+) 33...a5 34.Kd3 (34.Nf5 g6 35.Nd6 Rc2–+) 34...a4 35.Nf5 (35.Ne2–+) 35...f6! 36.gf6 gf6 37.Bf6 (37.Bd4 c5 38.Bf6 Rf4 39.Nh6 Kf8–+) 37...Rf4 38.Nh6 Kf8 39.Be5 (39.Ng4 h5 40.Be5 Rf3 41.Ne3 Rh3–+) 39...Rf3 40.Ke4 (40.Kc2 Rh3 41.Bd6 Ke8–+) 40...Rh3 41.Nf5 h5 (41...Ke8 42.Nd4 Kd7 43.Nc2–+) 42.Ng7 (42.Nd4 a3 43.Nc6 a2–+) 42...Rh1 (42...Ke7 43.Bd4–+) 43.Ne6 (43.Nf5 Kf7 44.Bd6 Ke6–+) 43...Kg8 44.Bd6 (44.Nd4 a3 45.Kd3 Re1–+) 44...Re1 45.Kf5 Rb1 46.Nd4 (46.Nf4 b4 47.Nh5 a3–+) 46...b4 47.Nc6 (47.Nc2 b3 48.Na3–+) 47...b3 48.Ne7 Kf7 49.Nd5 b2 (49...b2 50.Nc3 Ra1–+) 0–1. Cerny,Lumir (1685) – Bakajsa,Libor (1910), Open Teplice, 2008.

7.cd5 Nbd7

8.Bb2 Nd5 9.Be2 c5 10.0–0 N7f6 11.Qc2 Rc8 12.a3 Ba5 13.Nc3 (13.h3 Bh5 14.Nc3 c4 15.Rac1 Re8 16.Qa4 Rc5). henryk88 (2285) – sym_ro, gameknot.com, 2011.

8.Bb2 Nd5 9.Be2 Re8 10.0–0 Qe7 11.Qb3 c6 12.d4 N7f6=+ 13.Nc3 a5 14.Nd5 Nd5 15.a3 a4 16.Qc2 Bd6 17.Rfe1 Qe6 18.Rac1 Bf5 19.Qd2 Bc7 20.Bc4 Qd6 21.Qd1 Bg4 22.h3 Bh5 23.Bd5 cd5 24.Rc5 Rad8 25.Kf1 Re6 26.Qa4= Bf3 27.gf3 Qh2 28.Ke2 h6 29.Qb3+= Rb6 30.Rb5 Rc6 31.Rc5 Bg3 32.Rf1 Bh4 33.Bc3 Qh3 34.Rc6 bc6= 35.Qb7 g5 36.Qb1 Qe6 37.Rh1 Re8 38.Qd3 Qf6 39.Bb4 Kg7 40.Qd1 c5 41.dc5+/– d4 42.Qd3 g4 43.e4 gf3 44.Kf1 Kg8 45.Rg1 Kh8 46.Bd2 Rb8 ½–½. Mehlhorn,Uwe – Taulien,Hans_Juergen, RSS4E pro–1 remoteschach.de, 2003.

8.Bb2 Nd5–/+ 9.Be2 Re8 10.0–0 Qe7 11.Qc2 Bd6 12.Nc3 Nb4 13.Qb1 c5 14.a3 Nc6 15.h3 Bh5 16.Nd5 Qd8 17.Re1 Bg6 18.d3 b5 19.Qa2 Bf5 20.Nf4 Bf4=+ 21.ef4 Be6 22.Qb1 Bd5 23.Ng5 Nf6 24.Qc2 Nd4–/+ 25.Bd4 cd4 26.Nf3 a6 27.Qc5 Rc8 28.Qd4 Bf3 29.Qd8 Rcd8 30.Bf3 ½–½. Bonetti,Shane (2110) – Benassi,Aspasio (1845), Orangutan Cup, Final, 2005.

8.Bc3 Nd5 9.Be2 =+.

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

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