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1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.d4 e4

(...)

6.a3 Ne7 7.Nd2 Ng6 8.c4 c6 9.c5 Be7 10.Nb3 f5 11.Nh3 0–0 12.f4 b6 13.a4 Bh4 14.g3 Bf6 15.Nf2 Ne7 16.h4 Nd7 17.Ba3 Rf7 18.Be2 g6 19.cb6 Nb6 20.Be7 Qe7 21.Nc5 cb5 22.Ne6 Qe6 23.ab5 Rc7 24.0–0 Be7 25.Ra6 Rc3 26.Qd2 Qc8 27.Nd1 Rc2 28.Qe1 Nc4 29.Kf2 Nd2 30.Rh1 Nf3 31.Qa5 Re2 32.Ke2 Qc2 33.Kf1 Qd1 34.Kg2 Qe2 35.Kh3 Nh4 36.gh4 Qf3 37.Kh2 Qf2 38.Kh3 Bh4 39.Qe1 Qf3 40.Kh2 Be1 0–1. donex7 (1805) – onny555 (1845), gameknot.com, 2014.

6.a4 Bd6 7.Nd2 Nd7 8.c4 c6 9.Ba3 Ba3 10.Ra3 Qe7 11.Rc3 Nh6 12.Ne2 0–0 13.Nf4 Bf7 14.cd5 cd5 15.Qc2 Rab8 16.Rc7 Qd6 17.a5 Nf5 18.Be2 Ne7 19.0–0 Rfc8 20.Rc1 Rd8 21.f3 g5 22.Nh3 ef3 23.Bf3 Bg6 24.Qb3 Kg7 25.Nf2 h5 26.Be2 Nf8 27.Bd3 Bd3 28.Qd3 Ne6 29.R7c3 Qb4 30.b6 Qa5 31.Rb1 ab6 32.Ra3 Nc6 33.Ra5 ba5 34.Nf1 Nb4 35.Qf5 Rd6 36.Ng3 Rh8 37.Qf3 (37...g4 38.Qe2+–; 37.Rf1 Nc7 38.Nfe4 de4 39.Qa5 Rd7 40.Qb4 Nd5+–) 1–0. kamret (2230) – fijaker (1800), GameColony.com, 2003.

6.a4 Nh6 7.Ba3 =+.

6.c3 Nd7 7.a4 Nh6 8.h3 Bd6 9.Nd2 Nf5 1–0. Moderlack,Stefan – Klawitter,Bernd, DESC, 1999.

6.Nc3 c5 7.Nge2 c4 8.Nf4 Bf7 9.Qg4 Nh6 10.Qg3 Nf5 11.Qg4 Ne7 12.Ne6?? Be6?? 13.Qe6= Qd7 14.Qd7 Nd7 15.Be2 Nb6 16.0–0 Ng6 17.a4 Bb4 18.a5 Bc3 19.Bc3 Nd7 20.Bb4 Kf7 21.c3 b6 22.a6 h5 23.f4 Ngf8 24.Bd1 Ne6 25.f5 Nc7 26.Ba4 g6 27.Bd6 Ne8 28.fg6 Kg6 29.Bb4 f5 30.Rf2 Ng7 31.Raf1 h4 32.h3 Nf8 33.Bd6 Nfe6 34.Be5 Rhf8 35.Kh2 Rf7 36.Bd1 Nf8 37.g4 Nd7? 38.gf5 Nf5 39.Rg1 Kh7? 40.Bg4 Raf8?? 41.Bf4 Ng3?? 42.Be6+– Rg7 43.Bd5 Nf6 44.Bc4 Nfh5 45.Bd5 Nf4 46.ef4 Rc7 47.c4 e3 48.Rf3 e2 49.Re1 Kg6 50.f5! Rf5 51.Rf5 Kf5 52.Bc6 Kf4 53.d5 Ke3 54.d6 Rh7 55.d7 Rd7 56.Bd7 Kd2 57.Re2! Ke2 58.c5 bc5?? 59.b6!+– ab6 60.a7 Nf1 61.Kg1 c4 62.a8Q Ne3 63.Qe4 c3 64.Bb5 Kd2 65.Qd3 (65.Qd3 Kc1 66.Qc3 Kb1 67.Qe3 Kb2 68.Bc4 Kc2 69.Qb3 Kd2 70.Kf2 Kc1 71.Bd3 b5 72.Qc2) 1–0. dtpwaldi – wybitnytalent (1650), kurnik, 2011.

6.Nc3 Bd6=+ 7.Nge2 Ne7 8.Nf4 Bf4 9.ef4 a6 10.a4 ab5 11.ab5 Ra1 12.Qa1 Nf5 13.Qa7 b6 14.Ne2 0–0=+ 15.Qa4 Qd7 16.Ba3 Rc8 17.Ng3 Nh4 18.h3 c6 19.Qb3 f5 20.c3 Qc7 21.Ne2 cb5 22.Qb5 Nc6 23.Bb2 Bf7 24.Kd1 Na5 25.Rg1 Nc4 26.Bc1 Qa7 (26...Qa7 27.Ng3 Qa1–/+; 26...Ra8 27.Ng3–/+) 0–1. Osthus,Reinhard (1895) – Grott,Peter (2025), DESC, 2002.

6.c4 f5 7.c5 Nf6 8.Nh3 h6 9.f4 Be7 10.Be2 Ng4 11.Bg4 fg4=+ 12.Ng1 g5 13.Ne2=+ h5 14.0–0= Nd7 15.Nbc3 Nf8 16.a4 h4 17.f5+/– Bf7 18.Rf2 Bh5 19.g3 Nh7 20.Qb3 Nf6= 21.Kg2 Kf7 22.Nc1 Kg7 23.N1a2 hg3 24.Kg3 Bf7 25.Nb4 Rh3–/+ 26.Kg2 Qh8 27.Kf1 Rh2 28.Rh2 Qh2 29.Qc2 Rh8 30.Qh2 Rh2 31.Ra2 Kh6 32.Ba3 Ra2 33.Nba2 Bd8 34.Kg2 Be8 35.Kg3 Bd7 36.Nb4 c6 37.bc6 bc6 38.Nd1 Kh5 39.Nf2 Bc7 40.Kg2 Kh4 41.Na6 Ba5 42.Bb4? Bb4=+ 43.Nb4 a5 44.Na6 g3 45.Nh1 Ng4 46.Ng3 Ne3 47.Kf2 Nf5 48.Ne2? Kh3 49.Nb8 Be8 50.Ng1 Kh2 51.Ne2 g4 52.Na6 g3 53.Ng3 Ng3 54.Nc7 Bd7 55.Ke1 Kg2 56.Na8 Kf3 57.Nb6 Bg4 58.Na8 Ke3 59.Nc7 Be2 60.Nd5 cd5 61.c6 Nf5 62.c7 Nd4 63.c8Q Nf3# 0–1. Spiegel,M – Merkl, corr SOK–90–62, 1990.

6.Be2 Bd6 7.c4 (7.Nc3 A) 7...Kf7 8.Nh3 Ne7 (8...Nh6 9.0–0 Bh3 10.gh3 c6 11.f3 Nf5 12.Qd2 ef3) 9.Nf4 Bf4 10.ef4 a6 11.ba6 Na6 12.0–0 Qd6; B) 7...a6 8.Nh3 Ne7 (8...ab5 9.Nb5 Ne7 10.0–0 0–0 11.Nd6 Qd6 12.Nf4 Nbc6) 9.Nf4 Bf4 10.ef4 ab5 11.Nb5 c6 12.Nc3 Nd7; 7.Nd2 A) 7...c6 8.Nh3 (8.c4 Ne7 9.Nh3 cb5 10.cb5 Nd7 11.Nf4 Bf4 12.ef4 Qc7) 8...cb5 (8...Ne7 9.c4 cb5 10.cb5 Nd7 11.Rc1 0–0 12.Qb3 Bh3) 9.Nf4 Bf4 10.ef4 Ne7 11.0–0 0–0 12.Nb3 Bd7; B) 7...Ne7 8.c4 c6 9.Nh3 0–0 10.Qb3 cb5 11.cb5 Bh3 12.gh3 f5) 7...c6 (7...dc4 8.Nc3+= (8.Qc2 Ne7 9.Nd2 f5 10.Bc4 Bc4 11.Nc4 a6 12.Qb3 Nd5) 8...Ne7 9.Qc2 f5 10.Nh3 Nd7 11.0–0 h6 12.f3 ef3) 8.Nc3 (8.Qa4 Nh6 (8...a6 9.c5 Be7 10.Nc3 Nh6 11.Nh3 Bh3 12.gh3 0–0) 9.Nc3 0–0 10.c5 Be7 11.Nh3 Bh3 12.gh3 Qd7) 8...Ne7 9.Qb3 (9.c5 Bc7 10.Nh3 0–0 11.Qb3 cb5 12.Nb5 Bh3) 9...Nd7 (better is 9...dc4!? 10.Bc4 Bc4 11.Qc4 f5= (11...Qa5 12.0–0–0 Bb4) 12.Nh3 Qa5; 9...Kf7 10.Nh3 Qd7 11.Nf4 Bf4 12.ef4 a6) 10.c5+/– Bc7 (10...Bc5 11.dc5 Nc5 12.Qb4 b6) 11.Ne4 0–0 (11...Ba5 12.Nc3 0–0) 12.Nf3 Bf7 (12...b6 13.0–0+/–; 12...Ba5+/–) 13.Nd6 Bd6 14.cd6 Nf5 15.Ba3 Re8 16.Rc1 c5? (better is 16...Nb6+–) 17.dc5 Ne5 18.0–0 d4 19.Qb1 Bg6 20.Ne5 Re5 21.Bd3 de3 (21...Rb8 22.Bb2 Nh4 23.Bg6 (23.ed4?! Rg5+–; worse is 23.Bd4 Rg5 24.Kh1 Rg2 25.Bg6 Rg6+–) 23...Ng6 24.Bd4+–) 22.f4 e2 23.fe5 ef1Q 24.Rf1 Nh4 (24...Ne3 25.Re1 Qa5 26.Bg6 Qa3 27.Bh7 Kh8 28.Qd3 Qc5 29.Qe3 Qe3 30.Re3 fe5 31.Bg6 Re8 32.d7 Rd8 33.Re5 Rf8 34.Re8 Kg8 35.Rf8 Kf8 36.d8Q) 25.Qb3 Kh8 (25...Bf7 26.e6 Be6 27.Qe6 Kh8 28.Qf7+–) 26.ef6 gf6 27.Bb2 (27.Bb2 Kg7 28.Qd5+–) 1–0. Tiedemann,Joern (2125) – Zornack,Andre (1985), RSS7E basic–17, 2009.

6.Be2 Nh6 7.Bh5 g6 8.Be2 Nd7 9.Qd2 Nf5 10.Nh3 Bd6 11.0–0 0–0 12.c4 Nh4 13.Nf4 Bf4 14.ef4 Nb6 15.c5 Nc4 16.Bc4 dc4 17.c6 bc6=+ 18.bc6 Bh3–/+ 19.Rc1 Bg2 20.Qc3 Rb8 21.f5 e3 22.fe3 Qd5 23.fg6 hg6 24.Ba3 Qg5 25.Kf2 Qf5 26.Kg1 Qg4 27.Kf2 Qf3 28.Kg1 Bh3 29.Qc4 Kh7 0–1. EXchess 3.11 – Comet B25, 2004.

6.Ne2 c5 7.Nf4+= Bf5 8.Nc3 Ne7 9.g4 Bg6 10.Ne6 Qd6+= 11.Nf8 Rf8 12.Bg2 c4= 13.f3 ef3 14.Bf3 Nd7 15.h4 Qg3 16.Kf1?? Bc2!–+ 17.Qc2 Qf3 18.Kg1 f5 19.Qg2? Qe3 20.Qf2 Qf2 21.Kf2 fg4 22.Kg3 h5 23.Rhe1 Rf3 24.Kg2 Kf7 25.Ba3 Nf5 26.Nd5 Ra3 27.Rf1 g6 28.Rae1 Rf3 29.Rf3 gf3 30.Kf3 Nd4 31.Kg2 Re8 32.Rf1 Kg7 33.Nf4 c3 34.a4 c2 0–1. Blum,Steffen (1910) – Rheindt,Stefan (2015), RS–Pyramide remoteschach.de, 2009.

6.Ne2 Qd7 7.Nf4 Bf7 8.a4 Bd6 9.Ba3 Bf4 10.ef4 Qf5 11.Qd2 Nd7 12.a5 0–0–0 13.b6+= ab6 14.ab6 Nb6 15.Bc5 Qe6 16.f5 Qc6 17.Nc3 Nc4 18.Bc4 dc4 19.Bf8! h6 20.Ra8 Kd7 21.d5 Qb6 22.Rd8 Kd8 23.0–0 Ne7 24.Be7 Ke7 25.Rb1 Qc5 26.Ne4 Qd5+= 27.Qb4 Kd8 28.Nc3 Qe5 29.Qa3 Rg8 30.Rd1 Ke8 31.Kf1 Qf5= 32.Qa8 Ke7 33.Re1 Kd7 34.Qa4 b5 35.Nb5 Qc5 36.Nc3 c6 37.Rd1 Ke6 38.Ne4 Qb5 39.Qa7 c3 40.Ke1 Bh5? 41.g4!+– Bg4 42.Qd7 Ke5 43.Qg4 f5 44.Qg3 f4 45.Qg6 Qb4 46.Nd6 1–0. Fritz 8 – Fritz 5.32, 2004.

6.Ne2 Nd7 7.Nf4 Bf7 8.a4 g5 9.Nh5 f5 10.a5 g4 11.Nf4 Bb4 12.c3+= Bd6 13.Ba3 Bf4 14.ef4 Ne7 15.h3 gh3 16.Rh3 Ng6 17.Bc1 Nf6 18.Na3 Qd6 19.Qd2 Ng4 20.c4 dc4 21.Nc4 Bc4 22.Bc4 0–0–0 23.b6 cb6 24.ab6 Qb6 25.Rb3 Qd4 26.Qc2?? Qf2 27.Qf2= Nf2 28.Kf2 Kb8 29.Be3 b6 30.Rba3 Rd7 31.Be6 Re7 32.Bf5 Rf8 33.g4 Rf6 34.Rh1 Rc6 35.Kg3 Rcc7? 36.Rd1 Re8 37.Rd4 Rce7 38.Rb4 Kb7 39.g5 Nf8 40.Raa4 Nd7 41.Be4 (41.Be4 Kc8 42.Rc4 Kb8 43.f5+–) 1–0. pcmvr (2610) – huimre (2605), net–chess.com, 2006.

6.Nh3 a6 7.Nf4 Bf7 8.c4 dc4 9.Qa4 g5 10.Nh3 Qd6 11.Ba3 Qe6 12.Bf8 Kf8 13.Nd2 Qg4 14.f3 (14.Bc4? Qg2 15.Rf1 Qh3 16.Bf7 Kf7 17.Qc4 Kg6 18.Qc7 Qd7–+ (18...ab5 19.Qb7 Ra5 20.Qb8+/–)) 14...ef3 15.gf3 Qd7 16.Nf2 Kg7 17.Bc4 Bc4 18.Nc4 Qb5 19.Qc2 Qc6 20.0–0–0 Ne7 21.e4 b5 22.Ne3 Qc2 23.Kc2 Nbc6 24.Nh3 h6 25.Rhg1 Ng6 26.d5 Nce7 27.f4 Rad8 28.f5 Ne5 29.Nf4 Rd6 30.Ne6 Kf7 31.Kb3 (31.Nc7? Rc8–+) 31...c6 32.dc6 Rd1 33.Rd1 N7c6 34.Nc7 g4 35.Na6 Rg8 36.Nd5 Rg5 37.Rd2 g3 38.Rg2 gh2 39.Rh2 Rg3 40.Kb2 Nc4 41.Kb1 Nd4 42.a4 Rb3 43.Ka2 ba4 44.Nc5 Ra3 45.Kb1 Nb3 46.Nb3 ab3 47.Rh6 b2 48.Kc2 Ra1 49.Rf6 Ke8 50.Re6 Kd7 51.Nc3 Rc1 52.Kb3 Rc3! 53.Kc3 b1Q 54.Kc4 Qb2 55.Kd5 Qc3 56.Rd6 Ke7 57.Re6 Kf7 58.e5 Qf3 59.Kd4 Qg4 60.Kd5 Qd1 61.Ke4 Qa4 62.Kd5 Qd7 63.Ke4 Qa4 64.Kd5 Qa2 ½–½. Rooijen Van,Peter (1655) – Lehnen,Patric (2280), SI–2007–0–00072, 2007.

6.Nh3 g5 7.c4 dc4 8.Qh5 Bf7 9.Qg4 c6 10.Qe4 Ne7 11.Qf3 Rg8 12.bc6 Nbc6 13.Qd1 b5 14.Nd2 Nd5 15.e4 =+.

6.a4 Bb4

7.c3 Ba5 8.Nd2 Ne7 9.Ne2 c6 10.Nf4 Bf5 11.Be2 Bc7 12.Ba3 Bf4 13.ef4 Qc7 14.0–0 Qf4 =.

7.c3 Bd6 8.Nd2 f5 (8...Ne7 9.c4 c6 10.Ne2=) 9.g3 Nf6 10.Bg2 c5 (10...0–0 11.Nh3=) 11.Ne2 (11.dc5 Bc5 12.Ne2 0–0=) 11...c4 (11...Nbd7 12.Nf4 Bf7 13.0–0=) 12.Nf4 Bf7 13.0–0 Nbd7 14.h3 (14.h4 Ng4=) 14...g5 15.Ne2 h5 (15...0–0+=) 16.f4 (better is 16.a5!?=) 16...gf4–/+ 17.Nf4 Ke7 (better is 17...h4!? 18.gh4 Rh4–/+) 18.a5 Qg8 0–1. Baer,Cy (1895) – Rheindt,Stefan (2015), RSS3D–62 remoteschach.de, 2007.

6.a4 c5

7.Nc3 c4 8.Qh5 g6 9.Qe2 =+.

7.Nc3 cd4 8.Qd4= Nh6 9.Rd1 Nf5 10.Qd2 Bb4 11.Nge2 0–0 12.Nf4+= Qe8 13.Nfd5 Ba5 14.Nf4 Bf7 15.Be2 Qc8 16.0–0 Kh8 17.Bg4 Bc4 18.Bf5 Qf5 19.Rfe1 Rd8= 20.Qd8 Bd8 21.Rd8 Bg8 22.Ncd5 h6?? 23.Ne7 Qg4 24.h3 Qg5 25.Rg8 Kh7 26.Ne6 Nc6 27.Ng5 hg5 28.Ra8 Ne7 29.Ra7 Nc8 30.Rb7 Nd6 31.Rc7 Kg6 32.Rd1 Nf5 33.b6 g4 34.b7 gh3 35.gh3 Kg5 36.b8Q Kg6 37.Qe8 Kg5 38.Rd5 Kh6 39.Rf5 g6 40.Qf8# 1–0. Mephisto Mondial – SuperForte, 1994.

7.dc5= Bc5 8.Ne2 Bg4 9.Qd2 Ne7 10.Nd4 0–0 11.c4 Bd4 12.Bd4 Kh8 13.Nc3+/– dc4 14.Bc4 Nd7 15.Ne4 b6 16.0–0 Ne5 17.Bb3 Rc8 18.Rac1 Qd7 19.Rc8 Rc8 20.Be5 Qd2+/– 21.Nd2 fe5 22.f3 Bf5 23.e4 Bg6 24.Nb1 (24...Ng8 25.Rd1+–; 24.Be6 Rc5+–) 1–0. Borucki – Mostowik, corr 1.AMM Poland, 1991.

7.dc5 Bc5 8.Qh5 g6 =.

6.c4 Bb4

7.Bc3 Bc3 8.Nc3+= c6 9.c5 Qa5 10.Qd2+= f5? 11.Ne4!+– Qd2 12.Nd2 Nf6 13.Ngf3 Nbd7 14.Bd3 0–0 15.0–0 h6 16.bc6 bc6 17.Rab1 Rfb8 18.Ba6 Rb1 19.Rb1 Rb8 20.Rb7 Ne4 21.Ne4 de4+/– 22.Ne5 Rb7 23.Bb7 Ne5 24.de5 Bd5 25.Kf1 Kf7= 26.Ke2 Ke6 27.f4 ef3 28.gf3 Ke5 29.a3 Bc4–/+ 30.Kd2 Kd5 31.Kc3 Be2 32.e4 Kc5 33.ef5 Bf3 34.Bc8 Kd5 (34...Kd5 35.Be6 Ke5–/+) 0–1. Kreuzer,Uwe – Stolle, 1988.

7.Nd2 c6 8.a4 Ne7 9.Qb3 Bd2 10.Kd2 0–0 11.c5 Nd7 12.a5 f5 13.Nh3= Ng6 14.g3 Rb8 15.b6 a6 16.Bg2 h6 17.f4 ef3 18.Bf3 Nf6 19.Kc3 Nd7 20.Qc2 Qf6 21.Kb4 Kf7 22.Nf2 Rg8 23.Rhf1 Nh8 24.e4 +/–. Mazur – Achilleas, corr, 1973.

6.Be2 a6

7.Bh5 g6 8.Be2 ab5 9.Bb5 c6 10.Be2 Bd6 11.Nd2 Qc7 12.c4 Bh2 13.cd5 Bd5 14.Nh3 Bd6 15.0–0 (15.Qc2 Qe7=+) 15...Nd7 16.Qc2 f5 17.Nc4 Bh2 18.Kh1 b5 19.Nd2 Bd6 (19...Ra2? 20.Ra2 Ba2 21.d5 cd5 22.Qc7 Bc7 23.Bh8+–) 20.a4 ba4 21.Ra4 Ra4 22.Qa4 Nb6 23.Qa5 Ne7 24.Rc1 Kd7 25.Ng5 Ra8 –+.

7.Bh5 g6 8.Be2 ab5 9.Bb5 c6 10.Be2 Bd6 11.Bg4 (11.Nd2 Qa5=+) 11...Bg4 –/+.

6.Be2 c6

7.a4 a6 8.Nd2 f5 (8...Bb4 9.c3 Be7 10.ba6 Na6 11.a5=) 9.c4 (9.Nh3!?=) 9...dc4+= 10.Bc3 (better is 10.Nc4!? Bb4 11.Nd2+=) 10...ab5–+ 11.ab5 Ra1 12.Qa1 cb5 13.Qb2 (13.d5 Bd5 (13...Qd5? 14.Bg7 Bb4 15.Qb2 Bd2 16.Qd2+–) 14.Bh5 Kd7 15.Bg7 Bg7 16.Qg7 Ne7–+) 13...Qd7 14.Nh3 (14.Bh5 Bf7 15.Bf7 A) worse is 15...Qf7 16.Qb5 Nd7 17.Qb7+/– (worse is 17.Qc4 Qc4 18.Nc4 b5+=; 17.Nc4?! Ngf6+=); B) 15...Kf7–+) 14...Nf6 15.Nf4 Bd5 16.0–0 Na6 17.Ba5 Bd6 18.Rb1 Bf4 19.ef4 Bc6 20.Nc4 (20.Qc2 0–0–+) 20...bc4 21.Bc4 Nc7 (21...Nb8 22.d5 Bd5 23.Rd1 Bc4 24.Rd7 Nbd7 25.Qb7–+) 22.d5? (22.Bc7 Qc7 23.Ra1–+) 22…Ncd5 (22...Ncd5 23.Rd1 b5–+; 22...Bd5?! 23.Rd1 Bc4 24.Rd7 Kd7 25.Qb7–+; 22...Nfd5?! 23.Qe5 Qe7 24.Bd5 Qe5 A) 25.fe5?? Nd5 (25...Bd5?! 26.Rc1–/+) 26.Bd2 Kf7–+; B) 25.Bc6 bc6 26.fe5–/+) 0–1. Bergljung,Andreas – Grosse,Werner, corr SSKK, 1984.

7.Nd2 Bd6 +=.

7.Bh5 g6 8.Be2 Ne7 9.Nc3 Bg7 10.bc6 Nbc6 11.Qd2 0–0 12.0–0–0 (12.Rb1!?=+) 12...Rc8 –/+.

7.Bh5 g6 8.Be2 Ne7 9.Nc3 Bg7 10.Qd2 0–0 11.0–0–0 (11.Ba3 a6 12.bc6 b5–/+).

6.Ne2 Bb4

7.c3 Bd6 8.c4 c6 9.c5 Bc7 10.Nbc3 Ne7 11.Qb3 Qd7 12.Qa4 cb5 13.Qb5 Nbc6 14.Ng3 b6 15.Ba3 =+.

7.c3 Bd6 8.g3 Nd7 9.Nf4 Bf4 10.gf4 Ne7 11.Qh5 Bf7 12.Qh3 g6 13.Be2 f5 14.0–0 Ng8 15.Kh1 Ngf6 16.Rc1 c6 17.a4 0–0 18.Nd2 cb5 19.ab5 b6 20.f3 Qc7 21.Rg1 Kg7 (21...ef3!? 22.Qf3 Ne4 23.Ne4 de4+=) 22.Qf5+/– Rfe8 23.fe4 de4? (better is 23...Ne4!? 24.Ne4 Re4+/–) 24.c4+– Be6 25.Qg5 Bf5?? (25...Kf7 26.Ra6+–) 26.d5 (better is 26.Qf5 Kh8 27.Qg5+–) 26...Nc5 (26...Kf7+–) 27.Qf6 Kg8 28.Qh8 1–0. typ48 – o1o2, internet, 2013.

7.Bc3 Bd6 8.Nf4 Bf4 9.ef4 Ne7 10.Qh5 g6 11.Qe2 Qd6 12.Qd2 Nd7 13.Bb4 c5 14.dc5 Nc5 15.Qd4 b6 16.Qf6 Rf8 17.Qe5 Nd3 18.cd3 +=.

7.Nd2 Ne7 8.c3 Bd6 9.c4 c6 10.Nc3 0–0 11.Qb3 Qd7 (11...f5 12.c5 Bc7 13.Be2=) 12.a4 (12.Be2 Bc7+/–) 12...f5 13.bc6 (13.Be2 f4+=) 13...bc6= (13...Qc6?? 14.cd5 Nd5 15.Bc4+–) 14.c5 Bc7 15.Qb7 Ba5 16.Qa8 Na6?? (better is 16...Qc7+=) 17.Qf8!+– Kf8 18.Ba6 Ng6 (18...f4 19.0–0 f3 20.g3+– (20.gf3?! Bh3 21.Kh1 ef3+–)) 19.g3 Ne7 20.h4 Bf7 (20...Bb4 21.Rb1 Qd8 22.Nb3+–) 21.Ra3 (21.Rb1 Be6+–) 21...f4 22.Rb3 (better is 22.gf4!? Bh5 23.Rg1 Nf5+–) 22...fe3 23.Rb8 (23.fe3 Bc7 24.Nf1 Nf5+–) 23...Be8? (23...Bd8 24.Nb3 Ke8+–) 24.fe3 Bc7 (24...Qg4 25.Nf1+–) 25.Rb7 (better is 25.0–0 Kg8 26.Ra8+–) 25...Bg3 26.Kd1 Bh5 (26...Qg4 27.Kc1 Bh4 28.Ra7+–) 27.Kc2 (27.Kc1 Qd8 28.Ne2 Bb8 29.Rf1 Kg8+–) 27...Qd8 28.Ra7 (28.Ne2 Bb8 29.Rf1 Kg8+–) 28...Qb8? (28...Nf5 29.Rf1 Bg4+–) 29.Rb7 (29.Rf1 Bf7 30.Rb7 Qa8+–) 29...Qa8 30.Rb6 Bc7 31.Bb7 Qe8 (31...Qb8 32.Rb3 Qe8 33.Rf1 Bf7 34.Kc1+–) 32.a5 (32.Rf1 Kg8 33.a5 Bb8+–) 32...Bb8 (32...Bb6 33.Rf1 (worse is 33.cb6 Nf5+–; 33.ab6?! Qb8 34.Rf1 Ke8+–) 33...Bf3 34.cb6+–) 33.Na2 (33.Rf1!? Kg8+–) 33...Be2 34.Nb4 Bb5 (34...Bc7+–) 35.Rb5! cb5 36.Nd5 (better is 36.Rf1 Kg8 37.Nd5+–) 36...Nc6 (36...Qd7 37.Ne7 Qb7+–) 37.a6 (better is 37.Rf1 Kg8 38.Bc6+–) 37...Qe6 38.Bc6 Qc6 39.Nb4 Qh6 (39...Qc8 40.Ra1 Qc7 41.Ne4 Qh2 42.Nd2+–) 40.Ra1 Qe3 (40...Ba7 41.Rf1 Kg8 42.Rf5+–) 41.a7 Ba7 42.Ra7 Qf2 (42...Qg1 43.c6 e3 44.c7 Qg6 45.Kc3+–) 43.Bc3 (better is 43.c6 e3 44.c7 Qd2 45.Kb3 Qd1 46.Ka2+–) 43...e3 44.Nd3 Qg2 45.Nf4 Qh2 (45...Qh1 46.Ne6 Ke8 47.Ng7 Kd8 48.Ne6 Ke8 49.Nc7 Kf8 50.Nb5 e2+–) 46.Ne6 (46.c6 Qf4 47.Bb4 Ke8 48.Ra8 Kf7 49.Rf8 Ke6 50.Rf4 e2 51.Re4 Kf5 52.c7 e1N 53.Re1 g5 54.c8Q Kf6 55.Qg8 gh4 56.Rf1) 46...Ke8 47.Ng7 Kd8 (47...Kf8 48.c6 ed2+–) 48.Ba5 Kc8 49.c6 (49.c6 Kb8 50.Rb7 Ka8 51.Ne8 e2 52.Nc7 Qc7 53.Bc7 e1Q 54.Rb5 Qa1 55.Ra5 Qa5 56.Ba5 Kb8 57.Ne4 h6 58.Bb6 h5 59.Nd6 Ka8 60.d5 Kb8 61.c7 Ka8 62.c8Q#) 1–0. Lunin,Mikhail – Shipilova,Olga, Zhukovsky Championship A, 2010.

6.Ne2 c6

7.Nbc3 Qa5 8.Qd2 g5 9.Ng3 Qb4 10.a3 Qb2 11.Ra2+= Qa2 12.Na2 Ba3 13.Nb4 a5 14.ba6! Na6?? 15.Ba6 Bb4? 16.Qb4+– Ra6 17.Qb7 Ra1 18.Ke2 Rh1 19.Nh1 Ne7+/– 20.Ng3 Kf7 21.Kd2 h5 22.h3 f5 23.Qc7 h4 ½–½. Tiedemann,Joern (1940) – Rheindt,Stefan (1775), RSX20E – NoEngine–Grossturnier–1, 2010.

7.Nf4 Bf7 8.a4 Bd6 9.Nh5 a6?? (better is 9...Bh5 10.Qh5 g6=) 10.Ng7+– Kf8 11.Nh5 ab5 12.ab5 Ra1 13.Ba1 Qe8 14.Ng3 Nd7 15.Nf5 Bc7 16.Nd2 h5 17.c4 Qe6 18.bc6 bc6 19.Qa4 (better is 19.Nh4+/–) 19...Qf5+= 20.Qc6 Bd8 21.Bb2 Ne7 22.Ba3 White plans c5 22...Kg7 23.Qa6 Qe6 24.Qa4 Nb6 25.Qc2 Bc7 (25...Nc4!? 26.Bc4 dc4–/+) 26.c5 Nd7 27.Be2 h4 28.0–0 h3 29.Bg4?? (better is 29.g3–/+) 29...Qg4 (29...Bh2 30.Kh2 hg2 31.Kg3 Nf5 32.Bf5 Qf5 33.f4 Qh3 34.Kf2 Qh4 35.Ke2 Bh5 36.Rf3 g1Q 37.Ne4 Bf3 38.Kd3 Be4 39.Kc3 Qhe1 40.Qd2 Qge3 41.Kb4 Rb8 42.Ka4 Qb3 43.Ka5 Qa3) 30.g3 Bh5 (30...Ra8 31.Qb3–+) 31.Qa4? (31.c6 Re8 32.Be7 Re7 33.cd7 Rd7–+) 31...Be8 (better is 31...Qe6–+) 32.c6 Nb6 33.Qc2?? (33.Qa7 Nc4 (33...Bc6 34.Qc7 Nd7 35.Be7+/–) 34.Qc7 Nd2–+) 33...Qe2 (better is 33...Nc6 34.f3 ef3–+) 34.Be7 Bh5 35.Qc1 Ra8 36.Nb3?? Ra2 37.Nc5 Kf7 38.Bf6 Kf6 39.Nd7 Ke6 0–1. captainevans – bojovny, internet, 2013.

7.Nf4 Bf7 8.Nd2 Bd6 9.Qg4 (9.a4 Nh6 10.Be2 0–0 11.0–0 Qc7 12.g3 Bf4 13.ef4 Nf5 14.Bg4; 9.g3 Nh6 10.c4 0–0 11.cd5 cd5 12.Bh3 a6 13.a4 Qb6 14.0–0) 9...g6 (9...g5 10.Ne6 Qd7 11.Ng7 Kd8 12.Qd7 Kd7 13.Nf5 Bf8 14.h4) 10.c4 (10.Be2 cb5 11.0–0 Nc6 12.Bb5 Nh6 13.Qh3 Nf5 14.g4) 10...f5 11.Qd1 (11.Qh3 Nf6 12.Be2 cb5 13.cb5 g5 14.Nh5) 11...Nf6 12.c5 (12.Be2 0–0 13.0–0 cb5 14.cb5) 12...Bf4 13.ef4 Qc7 (13...0–0 14.Be2) 14.g3 Nbd7 15.Be2 0–0 16.0–0 h6 17.Nb3 cb5 18.Bb5 Rfc8 19.Rc1 Be8 20.f3 Nb8 21.Be2 ef3 22.Bf3 Ba4 23.Re1 Ne4 24.Qd3 Nc6 25.Bc3 Qg7 26.Re3 Re8 27.Rce1 Kh7 28.Kg2 Re6 29.Qc2 Rae8 30.Qb2 Qf6 31.Na5 Na5 32.Ba5 Qg7 0–1. Rooijen van,Peter (1655) – Perez,Giorgio (1895), IECG, 2010.

6.Ne2 f5

7.c4 c6 8.Nf4+= Bf7 9.bc6 Bb4 10.Bc3+/– Bc3 11.Nc3 bc6 12.Qa4 Kf8 13.Rb1 Ne7 14.Rb7 g5 15.Nfe2 Nd7 16.c5 a5 17.h4 Qc8 18.Rb3 gh4 19.Qa3 Qc7 20.Qb2 Ra7 21.Nf4 Ng6+= 22.Nh5 Ke7 23.Be2 Rb8 24.Rb8 Qb8 25.Qc1 Ndf8 26.f4 Be6 27.g3 hg3 28.Ng3 Kf6 29.a3 Bf7 30.Bd1 Ne7 31.Qc2 Bg6 32.Qd2 Ke6 33.Nf1 Nd7 34.Qc2 Nf6 ½–½. Taulien,Hans_Juergen (2350) – Oleak,Wolfgang (2000), remoteschach.de, 2003.

7.c4 c6 8.Nf4 Bf7 9.bc6 bc6 10.cd5 Bb4 (10...cd5!? 11.Nc3 Nf6+=) 11.Bc3+/– Ne7?? (better is 11...Bc3 12.Nc3 cd5 13.Qa4 Kf8+/–) 12.Bb4+– 1–0. Wight,David – Klawitter,Bernd, QE.2004.0.00064, 2004.

6.Ne2 Nh6

7.Nd2 g5 8.c4 dc4 9.Nc3 (9.Ne4 Bd5 10.Qc2 Bd6+=) 9...Bb4 (9...Bg4 10.Qc2 f5+=) 10.Qc2 f5 11.d5 Bd7 (11...Qd5 12.Nd5) 12.Nce4! (12.Nc4 Bb5 13.a3 Bc4 14.Bc4 Bc3 15.Qc3 Rg8+/–).

7.Nf4 Bb4 8.Nd2 Bg4 9.Be2 =.

7.Nf4 Bf7 8.Be2 Be7 9.0–0 a6 10.Bh5 g6 (10...0–0 11.Nc3=) 11.Be2 ab5 12.Bb5 Nd7 13.f3 g5 14.Nh3 ef3 15.Qf3 g4 16.Qf4 gh3 17.Qh6 hg2 18.Kg2 Rg8 19.Kh1 Bg6 20.Bd3 Nf8 21.Nc3 c6 22.Rab1 Bd3 23.cd3 Rg6 24.Qh4 b5 25.Ra1 Qd7 26.a4 =+.

7.Nf4 Bg4 8.Be2 Be2 9.Qe2 g6 (9...Nf7 10.c4 dc4 11.Qc4+=) 10.c4+= c6 11.bc6 bc6 12.cd5 Bd6 (12...cd5 13.Nc3 Nd7 14.Nfd5+/–) 13.dc6 +–.

6.c4 dc4

7.Qc2 Bb4 8.Bc3 Bc3 9.Nc3 f5 10.g4 (10.Nh3 Nf6 11.Nf4 Bf7=) 10...g6 (10...Nf6 11.gf5 Bf5 12.Bc4+=) 11.Nge2 Qd6 12.Nf4 Nd7 13.a4 Bf7 14.a5 0–0–0 (14...Ne7 15.Ra4=) 15.Ra4+= Kb8 16.Bc4 Bc4 17.Rc4 Ne7 18.0–0 g5 (18...Nf6 19.b6 c6 20.ba7 Ka7 21.Qb2+/–) 19.Nh5+/– Qe6 20.Ra4 f4 (20...fg4 21.a6 Nb6 22.Ra3+=) 21.h3 fe3 22.fe3 Rhf8 23.Rc1 (23.Ne4?! Rf1 24.Kf1 Nd5+=) 23...Rc8 (23...Rf3!? 24.d5 Qf7 25.Ne4 Nd5 26.Ng5 Rf1 27.Rf1 Qf1 28.Kf1 Ne3 29.Ke2 Nc2+–) 24.Qe4 (24.a6 b6+/–) 24...Qf7 25.Ra2 c6 26.a6 (26.Rac2 cb5 27.Nb5 Rc6+–) 26...Nd5+– 27.Nd5 (27.ab7 Rc7 28.Nd5 cd5 29.Qb1+/–) 27...cd5+/– 28.Rc8 Rc8 29.Qf5 Qf5 30.gf5 Rf8 31.Rf2 Nf6 32.Nf6 Rf6 33.Kg2 ba6 34.ba6 Kc7 35.Kg3 h6 36.Kg4 Kd8 (36...Kd7!?+=) 37.Ra2+– 1–0. drengur1 (2040) – marekt (2070), gameknot.com, 2014.

7.Qc2 Ne7 8.Bc4 Bc4 9.Qc4 Qd5 10.Qa4 (10.Qc2 f5 11.Nc3 Qc4=) 10...Nd7 (10...Qg5 11.Kf1+=) 11.Nc3 (11.Qc2 f5 12.a4 c6=) 11...Qg5 12.g3 Nd5 (12...f5 13.Nge2=) 13.Nge2 (13.Ne4!? Qg6 14.Nd2=) 13...N7b6+= 14.Qc2 Qg6 (better is 14...f5!? 15.Nd5 Nd5+=) 15.Qe4+= Qe4 16.Ne4 a6 17.ba6 Ra6 18.0–0 (18.Bc3 Ra3 19.g4 Nc4+=) 18...Nc4 19.Rfb1 b6 20.a4 Kf7 21.Bc1 f5 22.Nd2 Nd2 23.Bd2 Be7 24.Nc3 Nc3 25.Bc3 Rha8 26.Rb5 g6 27.a5 ba5 28.Raa5 (28.Ba5? c6 29.Rb7 Ra5–+) 28...Ra5 29.Ra5 (worse is 29.Ba5 c6 30.Rb6 Ra5 31.Rc6 Ra2–/+) 29...Ra5 30.Ba5 c6 (30...c5 31.dc5 Bc5 32.h4+/–) 31.Bb6 Ke6 32.Kf1 Kd5 33.Ke2 g5 34.h3 g4 (34...h5 35.f3+–) 35.hg4+– fg4 36.f3 gf3 37.Kf3 h5 38.e4 Ke6 39.Bc7 h4 (39...Bb4 40.Bf4+–) 40.gh4 Bh4 41.Ke3 Be1 42.Bf4 Bb4 43.Kd3 Be7 44.Kc4 Bf8 45.Bg3 Be7 46.Bc7 Kd7 47.Bf4 Ke6 48.Be3 ½–½. Degterev,Pavel (2530) – Podvoysky,Evgeny Borisovich, Champions League, 2007.

7.Nc3 Bb4 8.Qa4 Qe7 9.Rd1 Nd7 10.d5? Bd5?? 11.Rd5+/– Nb6 12.Qd1 Nd5 13.Qd5 Rd8 14.Qb7 Nh6 15.Bc4 Qc5? 16.Qc6 Qc6+/– 17.bc6 Ke7 18.Nge2 Nf7 19.0–0 Nd6? 20.Bb3 Rhe8 21.Nd5 Kf8 22.Nb4 Nb5 23.Bc4 a6 24.Bb5 ab5 25.Ba3 Kf7 26.g4 g6 27.Nf4 Rd2 28.Nfd5 Rc8 29.Na6 Rd5+/– 30.Rb1 f5 31.Nb4 Rd2 32.Na6?? Ra8?? 33.Nc7?? Ra3–/+ 34.Nb5 Raa2 35.c7 Rdc2?? 36.Nd6+– Ke6 37.c8Q Rc8 38.Nc8 fg4 39.Rb6?? Kf5?? 40.Rb5 Kf6 41.Rb6 Kg5?? 42.Rb5 Kh4?? 43.Rb4 Ra1? 44.Kg2 h5 45.Re4 Kg5 46.Nd6 Kh6 47.Re5 Rd1 48.Nf5 gf5 49.Re6 1–0. iczker – bvulle (1675), kurnik, 2011.

7.Nd2 c6 8.bc6 Nc6=+ 9.Ne2 Bb4 10.Bc3=+ Qa5 11.Rc1 Nge7 12.Bb4 Nb4 13.Nf4 Bf7 14.Bc4+= Bc4 15.Nc4 Nd3 16.Kf1 Qa6 17.Nd3+/– ed3 18.Qd3 Rc8 19.Ke2 Qa2+= 20.Nd2 0–0 21.Qb5 Qd5 22.Qd5 ½–½. Bendig,Frank (2110) – Epiney,Flo (1860), IECG, 2002.

7.Nd2 f5 8.Bc4 Bc4 9.Nc4 Bb4 10.Nd2 Nf6 11.Ne2= Nbd7 12.0–0 Bd6 13.f3 ef3 14.Rf3 g6 15.Rc1 Nb6 16.Qb3 Qd7 17.e4 Ne4 18.Ne4 fe4 19.Re3 0–0–0 20.a4 Rhe8–/+ 21.Rec3 Nd5–+ 22.Rc6? Kb8 23.Kh1 Nf4 24.Nc3?? Qg4 25.Rg1 Nd3 (25...Nd3 26.Rb1 bc6 27.bc6 Bb4–+; 25...bc6?? 26.bc6 Bb4 27.Qb4 Ka8 28.Qb7) 0–1. Casamitjana Nunez,Andres – Rodriguez Lopez,Rafael (2285), Mondariz op, 1998.

7.Qa4 Nd7

8.Qc2 Bb4 9.Nd2 Bd5 10.Bc4 Nb6 11.Bc3 Bc3=+ 12.Qc3 Nc4 13.Nc4 Qd7 14.Qb4 a6 15.Na3 Ne7 16.Ne2=+ f5 17.Nf4 Bf7 18.ba6 Ra6=+ 19.Nc2 Qa4 20.Qa4 Ra4 21.a3 Bc4 22.Kd2 0–0 23.Rhb1 b5 24.Rb4 Rfa8 25.Ra4 Ra4 26.Nb4 c6 27.Kc3 g5=+ 28.Nh3 h6 29.f4 ef3 30.gf3 Nd5 31.Nd5 Bd5 32.f4 Rc4 33.Kd2 g4 34.Nf2=+ h5 35.h4 Ra4 36.Nd3 g3 37.Nc5 Ra7 38.Rg1 Rg7 39.e4? fe4–+ 40.Ke3 Kh7 41.a4 ba4 42.Na4 g2 43.Nc5 Rg3 44.Kf2 Rf3 45.Kg2 Rf4 46.Kh3 Rf3 47.Rg3 Rf1 48.Re3 Rh1 49.Kg3 Rg1 50.Kf2 Rg4–+ 51.Rh3 Kg6 52.Ke3 Kf5 53.Nd7 Rf4 54.Ne5 c5 55.Ng6 cd4 56.Kd4 Kg6 57.Kd5 Kf5 58.Kd4 Rf3 59.Rh1 Kf4 60.Rg1 Rf2 61.Rg5 Rd2 62.Kc3 e3 63.Rh5 Rd1 (63...Rd1 64.Rh6 e2–+) 0–1. Woda,Janusz – Borrmann,Fritz, corr, 1966.

8.Nd2 a6 9.Nc4 ab5 10.Qb5 c6 11.Qb7 Bc4 12.Bc4 Rb8 13.Qc6 Rb2 14.Qe4 Ne7 15.Kf1 =+.

7.Qc2 Qd5

8.a4 a6 9.Ne2 Bb4 10.Nd2 ab5 11.Nf4 Qf5 12.g4 (12.g4 Qg4 13.Qe4=). Woelfelschneider,Peter (2125) – Hanison,Bernard (1875), Tigers T9e–21.28, 2004.

8.Nd2 Bb4 9.Bc3 Bc3 10.Qc3 Qb5 11.Ne4 Nc6 12.Rc1 Qd5 13.Nc5 b5 14.a4 a6 15.Qb2 Kf7 16.ab5 +/–.

8.Nd2 Qb5 9.Qe4= Qc6 10.Qc6 Nc6 11.Bc4 (< 11.Nc4 Bb4 12.Nd2 Rd8=+) 11...Bc4 12.Nc4 0–0–0 13.Nf3 Bb4 14.Ke2 Nge7 15.a3 Bd6 16.e4 Rhe8 17.Rae1 Nd5 18.Kf1 Nf4 19.Bc3 Kb8 (19...Kd7 20.d5 Ne5 21.Be5 Be5 22.Nfe5 fe5 23.Rb1+=) 20.d5 +=.

8.Ne2 Bb4 9.Nbc3 Nd7 –/+.

8.Ne2 f5 9.Nf4+= Qd7 10.Nd2 Bd6? 11.d5+– Bf7 12.Bg7 Bf4 13.ef4 Bd5 14.Bh8 Qb5 15.Bc4 Qc5 16.Rb1 Nd7 17.Rb5 (17.Rb5 Qf8 18.Bd5+–) 1–0. Woschkat,Karl_Heinz – Regginos,Dimitris, C2.1998.0.00127, 1998.

7.Qc2 f5

8.Bc4 Bb4 9.Bc3 Bc4 10.Bb4 Bb5? 11.Qc5 Qg5 12.Qb5 Nd7 13.Qf1 +– (13.Qb7? Rb8 14.Qb8 Nb8–+).

8.Bc4 Bb4 9.Bc3 Bc4–/+ 10.Bb4 Bd3 11.Qb3=+ Qd7 12.Nc3 Nf6 13.Nh3 a6=+ 14.Nf4 ab5 15.Nd3 ed3 16.Nb5 Na6 17.Ba3 d2 18.Kd2+= Ne4 19.Ke1 c6 20.f3 cb5= 21.fe4 fe4 22.Rf1 b4 23.Bb4+/– Nb4 24.Qb4 0–0–0? 25.Qc4 Qc7 26.Rc1 Rd7 27.Qc7 Rc7 28.Rc7 Kc7 29.Rf7 Kc6 30.Rg7 Ra8 31.Rh7 Ra2 32.g4 Rg2 33.h3 b5 34.Rh5 b4 35.Rc5 Kb6 36.Kd1 Rg3 37.Re5 b3 38.Kd2 Rh3 39.Re4 Rh2 40.Kc1+/– Rc2 41.Kb1+– Kb5 42.d5 Kc5 43.Rd4 Kd6 44.e4 Rg2+/– 45.Rb4 ½–½. Bonetti,Shane (2110) – Johansson,Mats, Orangutan Cup, Final, 2005.

8.Bc4 Bb4 9.Bc3 Bc4 10.Bb4 Bd3 11.Qb3 Qd7=+ 12.Nc3 Nf6 13.Nh3= c6 14.Nf4 Bb5=+ 15.Nb5 cb5 16.Rc1 a5 17.Bd2 b4=+ 18.Rc5 Nc6 19.Ne6 Rg8 20.0–0 Ke7=+ 21.Nf4 Rgc8 22.Rd1= Ke8 23.Rb5 Ne7 24.Re5= Ra6 25.f3 ef3=+ 26.gf3 b5 27.Nd3 Rd6 28.Nc5 Qc6 29.e4 fe4–/+ 30.Bg5 a4 31.Qb4 ef3–/+ 32.Qe1 Rc7 33.Ne6 Rcd7 34.Ng7 Kf7 35.Nf5 Ng4 36.Re7+= Kg6 37.Qd2 f2–/+ 38.Kf1 Nh2 39.Kf2 Qf3 40.Kg1 Qf5 41.Kh2 Qg5 42.Re3 Qh6 43.Kg2 Kg7 44.Rg3 Kh8 45.Qh6 Rh6 46.d5 Rh5 47.d6=+ Rh6 48.Rgd3 Kg7 49.Rd5 b4 50.R5d4 b3 51.Ra4 ba2 52.Ra2 Rhd6 53.Rd6 Rd6 54.Kh3 Kg6 55.Ra5 h5 56.Kh4 ½–½. Bonetti,Shane (2110) – Lane,M, ETC, 2004.

8.Bc4 Bb4 9.Bc3 Bc4 10.Bb4 Bd3 11.Qc5 Qe7 12.Nc3 Qc5 13.Bc5 Nf6 14.a4 a6=+ 15.Rc1 ab5 16.ab5 Nbd7 17.Nge2 Kf7 18.Ng3 Ke6 19.Rd1 Nc5 20.dc5 Nd7 21.Nh5 Nc5 =+.

7.Nd2 Bb4

8.Rc1 Bd2 9.Qd2 a6 10.Qb4 =+.

8.Rc1 Ne7 9.Bc4= Bc4 10.Rc4 Bd2 11.Qd2 a6 12.Qc2 ab5 13.Rc7 Nbc6 14.Rb7 Qa5 15.Bc3 Qa6 16.Rc7 b4 17.d5 bc3 18.dc6–+ Qa2 19.Qa2 Ra2 20.Rd7? Ra1 21.Rd1–/+ Rd1 22.Kd1=+ Nc6 23.Ne2 Kf7 24.Nc3 f5 25.Ke2 (25.f3 ef3 26.gf3 Rb8=+) ½–½. Bendig,Frank – Bartsch,KH, corr TT/5002 BdF, 1997.

8.Rc1 Ne7 9.Bc4= Qd7 10.Be6+= Qe6 11.a3 Bd2 12.Qd2 c6 13.bc6 Nbc6 14.Ne2 0–0 15.0–0 Rac8 16.Nf4 Qd7 17.Qd1 Kh8 18.Qh5 Qf5 19.Qe2 a6 20.Rc5 Qd7 21.Rfc1 b6 22.Rh5 a5 23.Rh3 g5?? 24.Qh5+– Nf5 25.Ng6 Kg8 26.Nf8 Kf8 27.Qh7 Qh7 28.Rh7 1–0. Welti,M – Spiegel,M, corr SOK–90–62, 1990.

8.Ne2 Bd2 9.Qd2 a6 10.b6 cb6 11.Nf4 Bd5 12.Qc2 b5 13.a4 b6 14.Be2 Ne7 15.0–0 Qd7–/+ 16.Nd5 Qd5 17.f3 ba4 18.Bc4 Qc6 19.d5 Nd5 20.Qe4 Ne7 21.Qg4 Rf8 22.Ba3 g6 23.Qd4 Ra7 24.Rfd1 Rd7 25.Qf4 Rd1 26.Rd1 Nd7 27.Rd6 Qb7 28.Be6 Nc5 29.Bc5 bc5 30.Qa4 Nc6 31.Qe4 f5 32.Bf5 (32.Bf5 Kf7 33.Qd5 Kg7 34.Rd7 (34.Qc6?! Qc6 35.Rc6 Rf5+/–) 34...Qd7 35.Bd7+–) 1–0. pcmvr (2645) – huimre (2650), net–chess.com, 2007.

8.Rc1 a6

9.Bc4 Bc4 10.Rc4 Bd2 11.Kd2! ab5 12.Qh5 Kf8 13.Qb5 Ra2 14.Qb7 +/–. Sokolski.

9.Bc4 Bc4 10.Rc4 Bd2 11.Kd2 ab5 12.Qh5 Kf8 13.Qb5 Nc6 14.Ra4 Rb8 15.Ne2 Nge7 16.Nf4 Qd7 17.d5 Kf7 18.Kc1 Rhd8 19.Re4 f5 20.Qb3 Nd5 21.Rd1 Na5 22.Qc2 Qc6 23.Red4 Qc2 24.Kc2 Nc6 25.Rd5 Nb4 26.Kc1 Nd5 27.Rd5 Rd5 28.Nd5 Rd8 29.Nc7 Rd2 30.Kd2 1–0. Bendig,Frank – Gappel,Heinz, corr BdF H 2071 D, 2000.

9.Bc4 Bc4 10.Rc4 Bd2 11.Kd2 Ne7 12.a4 ab5 13.Qh5 Kd7 14.Qb5 Nbc6 15.Nh3 (15.Qb7?? Rb8 16.Qb5 Rb5 17.ab5 Na5–+) 15...Kc8 16.Rb1 Ra6 17.Ke1 Kb8 (17...Qd7 18.Rc5 Qd6 19.Nf4=) 18.Nf4+= Rb6 19.Qc5 g5 20.Ne2 Nd5 21.a5 Ncb4 22.Kf1 Nd3 23.Qa3 Rb5 24.Nc1 Qg8 25.Ra4 (25.Nd3? Ne3 26.fe3 Qc4–+) 25...Qe8 26.Nd3 ed3 27.a6 b6 (27...Nb6 28.a7 Ka8 29.Rb4+=) 28.Kg1 Qc6 (28...Qc6 29.Qd3 Rb2 30.Rb2 Qa4–/+) 0–1. Blechar,Michael J (2230) – Merrow,Charles, S70011 ICCF, 2007.

9.Bc4 Bc4 10.Rc4 Bd2 11.Qd2 ab5 12.Rb4 (12.Rc1 Ne7–/+) 12...c6 (12...Qd5 13.Qe2 Ra5 14.Rb3–/+) 13.a4 (13.Ne2 Ne7–/+) 13...Ra4 14.Ra4 ba4 15.Qc2 b5 (15...a3 16.Qe4 Ne7 17.Bc3–+) 16.Qe4 Ne7 17.Ne2 (17.Nf3 Qa5 18.Nd2 b4–/+) 17...Qd5 18.Qd5 (18.Qf4 Na6 19.e4 Qb3–+) 18...Nd5–+ (18...cd5?! 19.Nc3 Kd7 20.Nb5=) 19.Kd2 Kd7 (19...b4 20.e4 Nb6 21.Rb1–+) 20.e4 (20.Ba3 Na6–+) 20...Nb6 21.Kc3 Nc4 22.Bc1 Rd8 23.f3 f5 24.Ng3 fe4–+ 25.fe4 Na6 26.Rf1–/+ Nd6 27.e5 b4 28.Kd3 Nb5 29.Nh5? Rg8 30.Kc4 Nbc7 31.Rf7 Ke6 32.Rg7 Rg7 33.Ng7 Kd7 34.Nh5 (34.g4 Nd5+=) ½–½. Borrmann,Fritz – Geerlings,Heinz, CiF, 1986.

9.Bc4 Bc4 10.Rc4 Bd2 11.Qd2 ab5 12.Rc1 Ne7 13.Ne2 Nbc6 14.0–0 (14.a3 Nd5 (14...Qd7–/+ 15.Nc3 Qf5 16.0–0 Nd5 17.Nb5 0–0 18.Nc3 Nc3 19.Rc3=) 15.Ng3 f5 16.Nf5 b4 17.Ng7 Kf7 18.Nf5 ba3 19.Ba1+=) 14...b4 (worse is 14...Ra2 15.Nc3 Ra7 16.Ne4= 0–0 17.Ra1 Qd5 18.Ra7 Na7 19.Nc3=) 15.Qc2 (15.Ra1 Qd6 16.Qc2 f5 17.Qb3 Na5 18.Qa4 Nec6 19.Qb5–/+) 15...Ra2 (15...f5 16.Nf4 Nd5 17.Qb3 Nf4 18.ef4+= Ra5 19.f3+=) 16.Ra1+= Ra1 17.Ba1 (17.Ra1 f5 18.Nf4 Qd7 19.Ra8+=) 17...f5 18.Nf4 Nd5 19.Qb3 (19.Qc4–/+) 19...Nce7 (19...Nf4 20.ef4 Qe7 21.Rc1–/+) 20.Ne6 Qd7 21.Ng7 Kf7 22.Nh5 Ra8 23.Ng3 Qa4 24.Qb1 b3 25.Bb2 Qb5 (25...Qc4 26.Rd1–/+) 26.Re1 Ra2 27.Re2 Nb6 28.Qc1 Qc4 29.Qb1 (29.Qe1 Na4 30.Ba1 Re2 31.Ne2 b2 32.Bb2 Nb2–+) 29...Qd3 30.Re1? (30.Qc1 Nc4 31.h3–+) 30...Nc4 31.Ba1 Rc2 (31...Qb1 32.Rb1 b2 33.Bb2 Nb2 34.f3–+) 32.Qd1 (32.h3 Na3 33.Qd1 Qd1 34.Rd1 b2 35.Bb2 Rb2–+) 32...Qd1 33.Rd1 b5 34.d5 (34.Rb1 Nd2 35.Rd1 b2 36.Bb2 Rb2–+) 34...b2 35.Bb2 Nb2 36.Rf1 1–0. Tiedemann,Joern (1940) – Peetoom,Frank (1740), RSS7E basic–22, 2010.

8.Rc1 c6

9.Bc4 Bc4 10.Rc4 Qa5 11.bc6 Nc6 12.a3 Bd2 (12...Qg5 13.g3 Bd2 14.Qd2=) 13.Qd2= Qd2 (13...Nge7 14.Rc5 Qb6 15.Qc2=) 14.Kd2+= Nge7 15.Ne2 0–0–0 (15...Na5 16.Ra4 Nac6 17.Ng3=) 16.Rc5 (16.f3 ef3 17.gf3 Ng6+=) 16...b6 (16...Nd5 17.Rhc1+=) 17.Rc2 Kb8 18.Ng3 (18.f3 ef3 19.gf3 Ne5+=) 18...f5= 19.Ke2 Rc8 (better is 19...Rd6!?+=) 20.Rhc1+– Na5 (20...Rhd8 21.Nf5! Nf5 22.Rc6 Rc6 23.Rc6+–) 21.d5! (21.d5 Rc2 22.Rc2+–) 1–0. Kilpatrick,Robert – Seyfried,Jack, corr SCCA, 1987.

9.Bc4 Bc4 10.Rc4 Qa5 11.bc6 Nc6 12.Ne2 Bd2 13.Qd2 Qa2 14.Qc2 Nge7 (14...Qa5 15.Bc3 Qf5 16.Ng3+=) 15.0–0 Qa6 (15...Qa5 16.Nf4 g5 17.Ne6+/–) 16.Nf4 (16.Ng3 f5 17.d5 Na5+–) 16...0–0+/– 17.Ra4 Qb5 18.Ba3 Rf7 19.Rb1 Qf5 20.Rb7 Rc8 21.Qa2 g5 22.Be7 (22.Ne2 Nd5 23.Rf7 Kf7+/–) 22...gf4+– 23.Bc5 Nd8 (23...Qh5 24.h3 Kg7 25.Qe6 Rb7 26.Qc8+–) 24.Rf7 (24.Rba7?! Qh5 25.h3 fe3 26.fe3 Kg7+–) 24...Nf7 25.Ra7 Qh5 26.h3 Rd8 27.Be7 Re8 (27...Rb8 28.ef4 Qd1 29.Kh2+–) 28.Bf6 (28.ef4 h6 29.Ra8 Ra8 30.Qa8 Kh7 31.Qe4 Kg7+–) 28...fe3 29.Ra5 (29.Ra5 ef2 30.Kf2+–) 1–0. Bendig,Frank (2090) – Urisek,Mitja (1955), IECG, 2000.

9.Bc4 Bc4 10.Rc4 Qa5 11.Ne2 Bd2 12.Qd2 Qd2 13.Kd2+/– Ne7 14.Ng3 f5 15.d5 Nd5 16.Bg7 Rg8 17.Nf5 Kf7 18.Rb1 Kg6 19.bc6 bc6 20.g4 h5 21.Ba1 (21.h3 hg4 22.hg4 Rg7 23.Ng7 Nb6 24.Re4 Kg7+–) 21...hg4 22.Ng3 1–0. Fernandez Ballon,Armel (2385) – Noack,Thomas (2115), RSS7E adv–109, 2010.

9.Bc4 Bc4 10.Rc4 Qa5 11.Ne2 Bd2 12.Qd2 Qd2 13.Kd2 Ne7 14.Ng3 f5 15.d5 Nd5 16.Bg7 Rg8 17.Nf5 Kf7 18.Rb1 Kg6 19.bc6 bc6 20.g4 h5 21.Ba1 hg4 22.Ng3 Nf6 23.Bf6 Kf6 24.Ne4 Kf5 25.Ke2 Rd8 (better is 25...Rh8+–) 26.Ng3 Kf6 27.Rg4 Nd7 28.Ne4 Ke6 29.Rg6 Kf5 30.Rc6 Rab8 31.Ng3 Kg4 32.f3 Kh3 33.Kf2 Nf6 (33...Rh8 34.Rb8 Nb8+–) 34.Rb8 Rb8 35.Rf6 Rb2 36.Ne2 Kh4 37.f4 1–0. Bendig,Frank (2375) – Fernandez Ballon,Armel (2385), CiF–12.Superturnier, 2010.

9.bc6= Nc6 10.Bc4 Bc4 11.Rc4 Qa5 12.a4 Rd8=+ 13.Ne2 Ne5!–+ 14.Rb4? Nd3 15.Kf1 Qb4 16.Bc3 Qb6 17.Ne4 Qa6 18.Qb3 Ne7 19.Kg1 Nd5 (20.N4g3 b6–/+; 19...f5 20.N4g3–/+) 0–1. Cotarelli,Franco – Jacewicz,Grzegorz, corr 3GMM–30, 1995.

6.c4 c6

7.Qb3 cb5 8.cd5 (8.c5 b4 9.Qb4 b6 10.Nd2 Nd7 11.Nb3=; 8.Qb5 Nc6 9.Qb7 Nge7 10.Bc3 dc4 11.Nd2=) 8...Bd5 9.Qb5 Nc6 10.Nc3 Bb4 11.Nh3 (11.a3+=) 11...a6 12.Qa4 (12.Qb7?? Ra7 13.Qa7 Na7–+) 12...Nge7 13.Be2 b5 14.Qc2 Rc8 15.0–0 Bc3 16.Qc3 Ne5 (16...Na5!? 17.Qa3 Rc6+=) 17.Qa3= Nc4 18.Qa6 Qd7 (18...Bc6 19.Ba3 Ra8 20.Be7=) 19.Bc4+= Bc4 20.Rfc1 0–0 (20...Kf7!? 21.Qa5 Ra8=) 21.Ba3+= Kf7 ½–½. Hanison,Bernard (2060) – Vetro,Filippo Dr (2145), Friendly, 2002.

7.Qb3 Ne7?!

7.Nc3 Qa5 8.Qb3 Bb4 9.a3 Bc3 10.Bc3 Qb6 11.c5 Qc7 12.Ne2 Ne7 13.Nf4 Bf7 14.Be2 a6 15.bc6 bc6 16.Qb6 Qa7 17.h4 Nd7 18.Qa7 Ra7 19.h5 Nf8 20.Kd2 Ne6 21.Ne6 Be6 22.Ba5 0–0 23.Bb6 Raa8 24.Bc7 Nf5 25.Rab1 Ra7 26.Bf4 a5 27.Rb6 Rc8 28.Ba6 Rca8 29.Bb7 1–0. forsetinn (2175) – onny555 (1835), gameknot.com, 2014.

7.Nc3 dc4 8.Qa4 =+.

7.Nc3 f5 8.Qb3 (8.cd5 cd5 9.Nh3 Bd6=) 8...Nf6 (8...dc4 9.Bc4 Bc4 10.Qc4=) 9.Nh3 (9.bc6 bc6 10.cd5 cd5=) 9...Bd6 (9...dc4!? 10.Bc4 Bc4 11.Qc4 Qd7=) 10.c5 Bc7 11.Ng5 (11.bc6!? Nc6 12.Qb7+=) 11...Bc8= 12.a4 (12.Rb1 Ng4 13.bc6 bc6=+) 12...h6 (12...Ng4 13.h4=) 13.Nh3= 0–0 14.Nf4 g5 (14...Bf4 15.ef4 Be6 16.Be2=) 15.Ng6 Re8 16.h4 Kg7 (16...g4!?=) 17.hg5+/– hg5 18.Ne5 Be5 19.de5 Re5 20.Ne2 Re8 21.Ng3 Kg6 22.Be2 1–0. Welti – Segura, OH, 1992.

7.c5 b6 8.Ba3 bc5 9.Bc5 Bc5 10.dc5 Qe7 11.Qd4 =.

7.c5 Nd7 8.Qb3 (8.Ne2 Bg4=) 8...cb5 (8...a6 9.bc6 bc6 10.Nd2=) 9.Bb5 Ne7 (9...a6 10.Bd7 Qd7 11.Ne2+=) 10.Nc3+= a6 11.Bd7 (11.Be2 Bf7+=) 11...Qd7= 12.Nge2 Kf7 (12...Ng6!?=) 13.Nf4+/– Increases the pressure on d5 13...Rb8 14.Ne6 (14.0–0 g6+/–) 14...Qe6+= 15.Rc1 (15.0–0 g6+=) 15...g6 16.Ne2 (16.h4 Bg7+=) 16...Bh6= 17.h3 (17.0–0 b6 18.Qa3 Rhc8=) 17...g5 (17...Rhc8 18.h4=) 18.Rc3 (18.Qb4 Kg7+=) 18...b6= 19.Qc2 bc5 (19...Rhc8 20.0–0=) 20.Rc5 (20.dc5 Nc6+=) 20...Rhc8= 21.Ba3 (21.Rc8 Rc8 22.Nc3 Bf8=) 21...Bf8 (21...Nc6 22.Rc3=) 22.Rc8 Qc8 23.Kd2 (23.Nc3 Rb1 24.Bc1 Rb4=) 23...Qc2+= 24.Kc2 Nc6 (24...Ke6 25.h4+=) 25.Bf8 Kf8 26.a3 Kf7 (26...Ke7 27.Nc3 Kd6 28.f3 ef3 29.gf3=) 27.Nc3 Ke6 28.Rb1 (28.Na4 Kd6=) 28...Rb1+= 29.Kb1 ½–½. Kilpatrick,Robert – Thompson,Ian, corr SCCA, 1978.

7.c5 Ne7 8.Qb3 Nd7 9.Nd2 f5 10.a4 Nf6 11.Ne2 Bd7 12.Nc3 Rb8 13.b6 a6 14.Be2 Be6 15.Na2 Ng6 16.g3 h5 17.Qc2 h4 18.0–0–0 h3 (18...Kd7 19.gh4 Nh4 20.Nb4+=) 19.Nb3 (19.Nb4 Kd7+=) 19...Qd7 20.Na5 (20.Nb4 Ng4 21.Rdf1 Kd8=) 20...Ne7 21.Nb4 Ra8 22.Qb3 (22.Kd2 Kd8+=) 22...g5 23.Ba6! U Wai Wen – Chu Sun, China, 1962.

7.bc6 Nc6 8.Nc3 (8.c5 b6 9.Qa4 Bd7 10.Bb5 Nge7 11.Nd2+=) 8...Bb4 9.c5 Nge7 10.a3 Ba5 11.Nge2 =.

7.cd5 cd5 8.Nd2 Nd7 9.Nb3 Bd6 10.Ne2 Ne7 11.Nc3 0–0 12.a4 Rc8 13.Be2 Bb8 14.0–0 Ng6 15.Bg4 f5 16.Bh5 Qc7 17.g3 Nh4 18.a5 g6 19.Be2 Nf6 20.Na4 f4 21.Rc1 Qd6 22.ef4 Nf5 23.Rc5 e3 24.Bf3 ef2 25.Rf2 Ne3 26.Qd3 Neg4 27.Bg4 Ng4 28.Re2 Bf5 29.Qc3 Rce8 30.Re5 Ne5 31.de5 Qe6 32.Nd4 Qf7 33.b6 a6 34.Rc7 Bc7 35.bc7 Be4 36.e6 Qf6 37.Nc5 g5 38.Nd7 Qg6 39.Nf8 Rf8 40.f5 Qf6 41.c8Q Rc8 42.Qc8 Kg7 43.Qd7 Kh6 44.Bc3 Bf5 45.Ne2 Qg6 0–1. slihuatamanio – jasonterrible, internet, 2013.

7.Qb3 dc4

8.Bc4 Bc4 9.Qc4 Qd5 10.Qd5 cd5 11.Nc3 Bb4 12.Nge2 Ne7 13.a4 Ba5 14.0–0 Nd7 15.Rfc1 Kf7 16.Ba3 Nb6 17.Bc5 g5 18.f3 ef3 19.gf3 f5 20.Kf2 h5 21.e4 Rad8 22.e5 Ng6 23.Rc2 Ke6 24.Bb6 ab6 25.Nd1 g4 26.Rc7 Rd7 27.Rd7 Kd7 28.Ne3 Ke6 29.Rc1 Rh7 30.Rc8 Bd2 31.Re8 Ne7 32.Nf1 Bg5 33.Rd8 f4 34.Rd6 Kf5 35.Rd7 Bh4 36.Kg2 Rh8 37.Rb7 Rc8 38.Nfg3 fg3= 39.hg3 gf3 40.Kf3 Bg5 41.Rb6 Ra8 42.Nc3 Rc8 43.Ne2 Ra8 44.Nc3 ½–½. Kreuzer,Uwe – Kucharkowski,Jens, corr SOK–91–76, 1991.

8.Bc4 Bc4 9.Qc4 f5 10.Nc3 Qg5 11.Qe6 =.

7.Qb3 Nd7

8.Nc3 Nb6 9.cd5 cd5 10.Ne4+= Nc4 11.Nc3 Nb2 12.Qb2 Bd6 13.Nf3 Ne7 14.Bd3+/– 0–0 15.0–0 Rc8 16.Rfc1 Rc7 17.a4 b6 18.Ne2 Qb8 19.Rc7 Bc7 20.Ng3 Bg3 21.hg3 Nf5 22.Qb1+– g6 23.Nh4 Ne7 24.Ra2 f5 25.Nf3+– Rc8 26.Rc2 Rc2 27.Qc2 Nc8 28.Qc6 Nd6 29.Ng5 Bf7 30.Nf7 Nf7 31.Qd5 Qd6 32.Qa8 1–0. Feilmayr,Erwin – Hasler,Ulrich, corr SOK–90–65, 1990.

8.Nc3 Ne7 9.bc6 bc6 10.cd5 Bd5 11.Nd5 Nd5 12.Qc2 Qa5 13.Kd1 =.

8.c5.

8.Nc3 Qa5

9.a4 Bb4+= 10.Be2 (10.f3 ef3 11.Nf3 Ne7=) 10...Ne7 11.Kf1 (11.bc6 bc6 12.Kf1 f5+=) 11...Bc3 (11...dc4 12.Bc4 Bc4 13.Qc4+=) 12.Bc3 Qc7 (12...dc4 13.Bc4 (13.Ba5? cb3 14.Rb1 cb5 15.ab5 a6–+) 13...Bc4 14.Qc4 cb5 15.ab5= (15.Ba5? bc4 16.Ne2 f5–+)) 13.Nh3 (13.c5 0–0+=) 13...Bh3 (13...dc4 14.Bc4 Bc4 15.Qc4+=) 14.gh3+= f5 (14...Rc8 15.Rc1+=) 15.Rc1 (15.Rg1 Ng6+=) 15...Nf6 (15...f4 16.Ke1–/+) 16.Bb4 (16.Rg1 Qh2 17.bc6 bc6 (worse is 17...Qh3 18.Ke1 b6 19.Rg7+=) 18.Rg7 Rb8+= (18...Qh3 19.Ke1 Nd7 20.Bb4+/–)) 16...Qd7 (16...cb5 17.ab5 f4 18.Be7 Ke7 19.Rg1+=) 17.cd5 (17.Rg1 dc4 18.Bc4 Ned5=) 17...cd5 18.Qa3 Rd8 (18...Ng6 19.b6 Qe6 20.Bb5 Kf7 21.Rc7 Kg8 22.ba7 Ra7 23.Qc3+=) 19.Rg1 g6 (19...Rg8 20.Rg5=) 20.Kg2 (20.a5 b6=) 20...Kf7 (20...g5 21.Kh1 h6 22.a5=) 21.a5 g5 (21...b6 22.Kh1=) 22.Kh1 (22.h4 gh4 23.Kf1 Ng6=) 22...Rhg8 23.Bc5 (23.h4 g4+=) 23...Nc8= 24.Qb3 (24.h4 g4=) 24...f4 (24...b6 25.Bb4=) 25.b6 (25.b6 ab6 26.Bb6 Nb6 27.Qb6+= (worse is 27.ab6 Qh3 28.Rc7 Kg6=)). Kilpatrick,Robert – Reid,DR, corr SCCA, 1988.

9.c5 Ne7 10.Ba3 Bg4 11.Rb1 Qc7 12.h3 Bh5 13.Nge2 Rb8 14.Qa4 Ra8 15.Bb4 Bf7 16.Nf4 Ng6 17.bc6+/– bc6 18.Ng6 hg6 19.Ba6 Nb6 20.cb6 ab6 21.Bf8 Rf8 22.0–0 Rh8 23.Rfc1 Kd8 24.Nb5 cb5 25.Qb5 Qa7 26.Qc6 1–0. Dopper,Johan – Krasny,Henryk Jan, corr 3GMM–31, 1996.

9.c5 Ne7 10.Nge2 Bf7 11.g3 (11.Bc1 Rb8=) 11...f5 (11...b6 12.Bh3 Rb8 13.0–0=) 12.a4 (12.Ba3 cb5 13.Bb4 Qd8=) 12...g6 (12...b6 13.Ba3 Nc5 14.dc5=) 13.Nc1 (13.Bg2 b6 14.Ba3 Nc5 15.dc5 d4+=) 13...Bg7 14.Be2 (14.Qc2!?=) 14...Nc5–/+ 15.dc5? (better is 15.Qc2 Nd7 16.Nb3–/+) 15...d4–+ 16.Qc2 dc3 17.Ba3 Rd8 (better is 17...0–0–0 18.0–0 Rd2–+) 18.Nb3? (18.bc6 bc6 19.0–0–+) 18...Qa4 19.Nd4 (19.Bc1 Bb3 20.Ra4 Bc2 21.Ra7 cb5 22.Rb7–+) 19...Qc2 (better is 19...Rd4 20.Qc1 Rd2 21.bc6 Re2 22.Ke2 Qb5 23.Ke1 c2 24.Qc2 Ba1 25.cb7 Nc6–+) 20.Nc2 0–0 (20...Bb3 21.Nd4 Bd4 22.ed4 Rd4 23.Rc1–+) 21.Bb4 (21.h3 Bb3 22.Nd4 Bd4 23.ed4 Rd4–+) 21...cb5 (21...Rd2 22.Nd4 Bd4 23.ed4–+) 22.c6 Nc6 A pinning theme (22...bc6 23.Be7 Theme: Double Attack) 23.Bf8 Bf8 (23...Rf8?! 24.Bb5 Rb8 25.Kd1–+) 24.Bb5 Nb4 25.Nd4 (25.Nb4 Bb4 26.0–0–+) 25...Rd4! 26.ed4 Nc2 A double attack 27.Ke2 Nd4 28.Kf1 Nb5 29.Kg2 c2 (29...c2 30.Rhc1 Bb3–+) 0–1. Gerold – Schwieger, corr ICCF EU–M–411, 1979.

9.bc6!? bc6 10.Qb7 +/–.

9.Nge2 dc4 10.Qc2 Bd5 +=.

9.f3 f5 10.bc6 bc6 11.cd5 cd5 12.Qb5= Qb6 13.Nd5 Bd5 14.Qd5 Qb4 15.Kd1 Qa4 16.Qb3 Qa5 17.Bb5 Rb8?? 18.Bd7+– Kd7 19.Qb8 Bd6 20.Qb3 ef3 21.Nf3 Ne7 22.Bc3 Qc7 23.Rc1 Rc8 24.Ng5 Ke8 25.Qf7 Kd7 26.Qe6 Ke8 27.Bd2 Qb7 28.Rc8 Qc8 29.Qf7 Kd7 1–0. Bendig,Frank – Hasler,Ulrich, corr KGP–Z–05, 1991.

7.Qb3 f5

8.a4 dc4!? 9.Bc4 Bc4 10.Qc4 Qg5 =.

8.a4 Bd6 9.c5 Bc7 10.Ne2 Nd7 11.Nd2 Ngf6 12.Nf4 Bf7 13.Be2 g5 14.Nh3 Rg8 15.f3 ef3=+ 16.gf3 g4 17.fg4 Ng4 18.0–0–0 Qh4 19.Bg4 fg4 20.Nf4 Qh6 21.Rdf1 0–0–0 22.Qd3 Rdf8 23.Qe2 Be8 24.Nd3 Rf1–/+ 25.Nf1 g3 26.Qg2=+ Qe6 27.bc6 bc6 28.hg3 Bg6 29.Nb4 Rf8 30.Qe2 Nb8 31.Rg1 Qe4 32.Nd2= Qe6 33.g4 Re8 34.Nf1 a5 35.Nd3 Qe4 36.Kd2 Na6 37.Ng3+= Bg3 38.Rg3 Nb4 39.Nb4 ab4 40.Qa6 (better is 40.Rg1!?=+) ½–½. Kilpatrick,Robert – Livie,D, corr ch–SCCA, 1989.

8.a4 Nd7 9.Nc3 (9.c5 Ne7=) 9...Ngf6 (9...Ne7 10.c5=) 10.Nh3 h6 (10...Be7 11.Nf4 dc4 12.Qa2+=) 11.Nf4 (11.a5 g5=) 11...Bf7 12.h4 (12.cd5 cd5 13.a5 Nb8+/–) 12...Bd6 13.g3 0–0 (13...Rb8 14.c5 Bf4 15.gf4=) 14.Ba3 Ba3 15.Ra3 g5 (better is 15...Qa5!?=) 16.hg5+/– hg5 17.Nh3 Nh7 18.c5 (18.bc6 bc6 19.cd5 Rb8+/–) 18...Qc7 (18...Nc5 19.dc5 d4 20.Bc4 dc3 21.Qc3 Bc4 22.Qc4 Qd5 23.Qc2+=) 19.a5 (19.Qb2 Be6+/–) 19...Rae8 (19...Nc5!? 20.dc5 d4+=) 20.Qa4 (20.b6 Qb8+/–) 20...Ndf6+/– 21.a6 (21.b6 Qe7+/–) 21...b6 22.cb6 White gets in control 22...Qb6 23.bc6 White creates threats along the open b–file 23...Rc8 24.Bb5 Be8 25.Kd2 (25.Qd1 Bc6 26.Be2 Rb8+=) 25...Bc6 26.Rb1 Bb5 27.Rb5 Qe6 28.Qb3 Rfd8 29.Raa5+/– f4 30.Nd5 Kh8 31.Ng1 fg3 32.fg3 Ng4 33.Nc3+– Qh6 34.Rb7 Qh2? 35.Nge2 Rf8 36.Ne4 Rce8 37.Qd3 Qg2?? 38.Rh7! (38.Rh7 Kh7 39.Ng5 Kg7 40.Qh7 Kf6 41.Rf5) 1–0. Kagan,Shimon – Osipov,V, Petrozavodsk, 1980.

8.a4 Nf6 9.Nc3 dc4 10.Bc4 Bc4 11.Qc4 Be7 =.

8.a4 Nf6 9.bc6 bc6 10.Ba3 Ba3 11.Ra3 Nbd7 =+.

8.a4 Nf6 9.Nd2 Nbd7 10.Nh3 dc4 11.Bc4 Bd5 12.Nf4 Nb6= 13.bc6 bc6 14.Nd5= Nfd5 15.0–0 Rb8 16.Be2 Qc7 17.a5+= Nd7 18.Qa2 Bd6= 19.h3 h5 20.Rac1 g5 21.Rc2 g4 22.Rfc1 Ne7 23.d5 Rg8 24.Rc6 Nc6= 25.dc6 (25…Nf8 26.Qg8 Rb2 27.Nc4 Bh2 28.Kf1 Qc6 29.Qh8+– (29.Nb2?! Qc1 30.Nd1 Be5=; 29.hg4?! hg4 30.Qh8 Re2 31.Ke2 Bc7+–)) 1–0. Bendig,Frank – Ruhle,Ernst_Olaf, corr TT/5003 BdF, 1995.

8.a4 Nf6 9.Nd2 Be7 10.Nh3 (10.Ba3 Ba3 11.Ra3 Qe7=) 10...Nbd7 (10...Qd7 11.Nf4=) 11.Be2 (11.Ng5 Bg8=) 11...dc4 12.Bc4 Nd5 (12...Bc4 13.Nc4 Nd5 14.Ba3=) 13.Nf4 Nf4 14.Be6 Nd3 15.Ke2 c5 (15...Rf8!?=) 16.Bf5+= c4 (16...Rf8 17.g4+= (17.Be4 Rf2 18.Kd1 Nb2 19.Ke1 Bh4 20.Qb2 cd4 21.Qd4 Qa5 22.Bg6 hg6–+)) 17.Qc4 (17.Nc4 Rf8 18.Bd7 (18.Bh7 Rf2 19.Kd1 Rg2–+) 18...Qd7 19.f3+=) 17...Nb2+= 18.Qb3 Nd3 19.Ne4 (19.Qe6 Nf8 20.Qe4 Nb4+/–) 19...Nb4 20.Rhc1 g6 (20...b6 21.Qe6 Nf8 22.Qe5+/–) 21.Qe6 Nb6 22.Bh3 N6d5? (better is 22...Rf8+/–) 23.Ng5+– Rf8 24.Nh7 Qd6 25.Rc8 Rc8 26.Qc8 Qd8 27.Nf8 Kf8 28.Qb7 Qd6 29.Rc1 Nf6 30.Qa7 Nbd5 31.Qc5 Qh2 32.Qc8 Kg7 33.Rc6 Qg1 34.b6 Ne4 35.Rg6! Kg6 36.Bf5 Kg7 37.Be4 Nf6 38.Qc7 Kf7 39.b7 Ne4 40.Qf4 Nf6 41.b8Q Qg2 42.Qb3 Kf8 43.a5 Qc6 44.Qh6 Ke8 45.Qg8! Kd7 46.Qh3 (46.Qh3 Ng4 47.Qhg4 Kc7 48.Q8c8 Kd6 49.Qge6) 1–0. Bonetti,Shane (2125) – Sicker,Rolf (1885), K0–38 ETC, 2005.

8.Nc3 dc4 9.Bc4 Bc4 10.Qc4 =.

8.c5 b6 =.

8.c5 Qd7 =.

8.bc6 bc6 9.Qb7 Qb6 10.Qa8 Qb2 11.cd5 Qc1 12.Ke2 Qc4 13.Ke1 Qc1 14.Ke2 Qc4 15.Ke1 Qc1 16.Ke2 =.

8.bc6 Nc6 9.Qb7 Bd7 =.

8.Nc3 Nf6

9.bc6 bc6 10.Nh3 Nbd7 =.

9.bc6 Nc6 10.cd5 Nd5 11.Qb7 Ndb4 +=.

9.Nh3 dc4 10.Bc4 Bc4 11.Qc4 =.

9.Nh3 Qd7 10.Nf4 (10.c5 Bc5 11.dc5 d4+=) 10...dc4 11.Bc4 Bc4 12.Qc4 cb5 (12...Bd6 13.Ne6=) 13.Nb5 Na6 14.0–0 Qc6 (14...Rc8 15.Qb3 Ra8 16.Ne6+/–) 15.Qe6 (better is 15.Qa4!? Qd7 16.d5+/–) 15...Qe6= 16.Ne6 Kd7 17.Nf8. Dopper,Johan – van Geemen,Jan, 1991.

9.Nh3 Be7 10.bc6 bc6 11.Nf4+= Bf7 12.cd5 0–0 13.Ne6+/– Be6 14.de6 f4 15.Bc4 fe3 16.fe3 Ng4 17.Ne4 Qa5 18.Nd2 Qg5 19.Rf1 Qe3 20.Qe3+– Ne3 21.Rf8 Kf8 22.Ke2 Nc4 23.Nc4 Na6 24.Ne5 Nc7 25.Nc6 Bd6 26.Rf1 Ke8 27.e7 Be7 28.Ne7 Ke7 29.Rf5 Re8 30.Kd3+– g6 31.Ba3 Ke6 32.Re5 Kd7 33.Re8 Ne8 34.d5 Nf6 35.Kd4 Ng4 36.h3 Nh6 37.Ke5 Nf5 38.Bc5 a6 39.g4 1–0. Dopper,Johan – Labahn,Wolfgang, corr TT, 1993.

9.Nh3 Bd6

10.a4 dc4 11.Bc4 Bc4 12.Qc4 =.

10.a4 Nbd7 11.Ba3 (11.c5 Bc7=) 11...Qc7 (11...Ba3!? 12.Ra3 dc4 13.Bc4 Bc4 14.Qc4 Qe7=) 12.Ng5 (12.Bd6 Qd6 13.c5 Qc7+=) 12...Bg8 13.Rc1 (13.Bd6 Qd6 14.c5 Qc7=) 13...h6 (13...Ba3 14.Qa3 dc4 15.Qa2+=) 14.Nh3 (14.Bd6 Qd6 15.c5 Qe7=) 14...Ba3 15.Qa3 dc4 16.Nf4 (16.bc6 bc6 17.Qa2 c5 18.Bc4 cd4=) 16...g5 (16...c5 17.Nb1+=) 17.Ng6 (17.bc6 bc6 18.Nfe2 Rb8+=) 17...Rh7 18.bc6 bc6 Opening the b–file gets Black a lot of play (18...Qc6 19.Nb5 Kd8 20.Ne5 Ne5 21.Qf8 Ne8 22.de5+/–) 19.h4 g4 (19...Rg7 20.h5+=) 20.g3 (20.Qa2 Bf7 21.h5 Nh5 22.Rh5 Bg6+=) 20...Rb8+= 21.Be2 (21.Qa2 Rb3+=) 21...Rb3 (21...c5 22.0–0 cd4 23.Nb5 Rb5 24.ab5–/+) 22.Qa1 Nh5 23.0–0? (better is 23.Qa2–/+) 23...Ng3!–+ 24.Rfe1 (24.fg3 Qg3) 24...Ne2 (24...Nh5 25.Nb1–+) 25.Ne2 Bd5 (25...Qd6 26.h5–+) 26.Nef4 (26.Rc2 Qd6 27.Ngf4 Ra3–+) 26...Qa5 27.Rb1 (27.Ne2 Qb4–+) 27...Nb6 28.Re2 (28.Rb3 cb3 29.Rb1 Qb4–+) 28...Qb4 29.Reb2 (29.Rc1 c3–+ (29...Na4?! 30.Ra2 Nb6 31.Ra7–+; 29...Qa4?! 30.Ra2 Qb4 31.Ra7–+)) 0–1. Sternik,Ryszard – Stepinski,S, corr ch tt Polen, 1987.

10.c5+= Bc7 11.bc6 Nc6 (worse is 11...bc6 12.Qb7 Nbd7 13.Qc6+–) 12.Qb7 Bd7 13.Qb3 Rb8 14.Qc2 f4 15.0–0–0 (better is 15.Nf4!? Bf4 16.ef4 Nd4 17.Qd2+=) 15...Nb4 (15...fe3 16.fe3 Nb4 17.Qb1+=) 16.Qb1+= fe3 (16...Bh3 17.gh3 0–0 18.Kd2+=) 17.fe3–/+ Ng4 (17...0–0 18.Kd2+=) 18.a3 (18.Nd5 Nd5 19.Qe4 Qe7 20.Qe7 Ke7–/+) 18...Ne3–/+ 19.ab4 Nd1 (worse is 19...Rb4 20.Nd5 Nd5 21.Qe4 Ne7 22.Qe1+=; 19...Nf1? 20.Nd5 (20.Rhf1?! Bh3 21.gh3 Qg5 22.Kc2 Rb4+–; 20.Rdf1?! Bh3 21.gh3 Qg5 22.Kc2 Rb4+/–) 20...0–0 21.Rhf1 Rf1 22.Rf1 Bh3 23.Qe4 (23.Nc7?! Qg5 24.Kd1 Qg2=) 23...Qg5 24.Ne3 Bg2 25.Qe6 Kh8 26.h4+–) 20.Nd1? (better is 20.Nd5!? Nb2 21.Qe4 Kf8 22.Kb2=) 20...Rb4 (20...Bh3 21.gh3 Bf4 22.Kc2 Rb4 23.Qa2–/+) 21.Qa2 Bc6 (better is 21...Bh3!? 22.gh3 Bf4 23.Kc2 0–0–/+) 22.Bc3 Rb8 (22...Ra4 23.Qf2+=) 23.Ne3 (23.Ndf2 Qe7+=) 23...0–0 24.Be2 a5 25.Bg4 Re8 26.Bd1 a4 27.Ba4+/– Ra8? 28.Bc6+– Ra2 29.Bd5 Kh8 30.Ba2 Ba5 31.Bb2 Qb8 32.Rd1 h6 33.g3 Qb4 34.Kb1 Rb8 35.Nc4 e3 36.Nf4 Qa4 37.Rc1 Bd2 38.Rc2 Ra8 39.Bc1 Rb8 40.Bb2 Ra8+= 41.Na3 Rb8 42.c6 Rb2 43.Kb2 Qd4 44.Kb1 Qb4 45.Rb2 Qe4 46.Rc2 Qb4 ½–½. Balendo,E – Veitsel,G, 13 ch USSR, 1977.

7.Nc3 Bb4

8.Qa4 Qa5 9.Qb3 (9.Qa5 Ba5 10.cd5 Bd5=) 9...dc4 10.Bc4 Bc4 11.Qc4 Ne7 (11...Qb5 12.Qe6 Ne7 13.Qe4=) 12.a3 (12.bc6 Nbc6 13.Nge2 f5=) 12...Bc3+= 13.Bc3 Qb5 14.Qb5 cb5 15.Bb4 (15.Ne2 Nd5+=) 15...Nbc6 (15...Nd5 16.Ne2+=) 16.Ne2 Nd5 17.Bd6 (better is 17.Ng3!?+=) 17...Kd7–+ 18.Bg3 g5 (18...b4 19.Rb1–+) 19.Rb1 (19.h4 h6–/+) 19...a6 (19...b4 20.Kd2 b6 21.h4 ba3 22.hg5 fg5 23.Rh6–/+) 20.0–0 (20.h4 h6–/+) 20...h5 (20...b4 21.Rfc1 b6 22.a4–+) 21.h4 Rac8 (21...b6 22.Rfc1–+) 22.Rfc1 b4 (22...b6 23.hg5 fg5 24.Bh2–+) 23.Rc5 Ke6 24.ab4 (24.hg5 fg5 25.f4 Rhd8 26.ab4 b6–/+ (worse is 26...Ndb4 27.Rg5 Rd5 28.Rg7+=; 26...Ne3?! 27.b5 ab5 28.Rbb5+=)) 24...Ncb4–+ 25.Ra5 (25.f3 ef3 26.gf3 gh4 27.Bh4 Rhg8 28.Kh1 Rc5 29.dc5+=) 25...b6 (25...Rc2 26.Kf1–+) 26.Ra3 Rc6 27.hg5–/+ h4 28.Nf4 Nf4 29.Bf4+= a5 30.gf6 Nd5 31.Be5 Rh5 32.Rab3 Rh7 33.f3+/– a4 34.Ra3 Kf5 35.Rf1+– ef3 36.Rf3 Kg6+/– 37.Ra4 Rf7 38.e4 Nf6+/– 39.Rf4 Kg5 40.Ra1 Re7 41.Raf1 Nh5 42.Rf5 Kg4 43.Rf8 Rg6 44.R1f5 Rb7 45.Rh8 Rg5 46.Rg5 Kg5 47.Rg8 Kh6 48.Rg4 b5 49.Rh4 b4 50.g4 (50.g4 Kg5 51.Rh5 (worse is 51.gh5 Kh4 52.d5 Kg4+=) 51...Kg4 52.Rf5+–) 1–0. Frenzel,Lothar – Husslein, corr SOK–87–16, 1987.

8.Qb3 Ba5 9.bc6 Nc6 10.Nh3 (10.Qb7 Nge7 11.Qb3 Rb8–/+) 10...Bh3 11.gh3 Nge7 12.cd5 (12.Qb7?? Rb8 13.Qb5 Rb5 14.cb5 Nb4–+) 12...Nd5 13.Bc4 (13.Qb7 A) 13...Nc3?! 14.Qc6 Qd7 15.Qc5= (15.Qa8?? Ke7 16.Ba3 Ke6 17.Qa7 Qa7 18.Bc4 Kd7–+); B) 13...Bc3 14.Bc3 Nce7 15.Bd2+=; C) 13...Nce7 14.Rc1 Rb8 15.Bb5 Kf8–+) 13...Nc3+= 14.Bc3 Bc3 15.Qc3 Qd7 16.Qc2 f5 17.0–0 Na5 18.Rac1 Nc4 19.Qc4 Rd8 (19...Rf8!?+=) 20.Qc5= Qd5 21.Qa3 Qd7 22.Rc3 a6 23.Rfc1 Qe7 (better is 23...Qe6!?=) 24.Qb3 Qf7 25.Qf7 Kf7 26.Rc7 Kg6 27.Rb7 Rd6 28.Rcc7 Rg8 29.Kg2 h6 30.Kg3 Kf6 31.Rf7 Kg6 32.a4 Rf6 33.Rf6+– gf6 34.Ra7 Kh5 35.Kf4 Rg5 36.Ra6 Kg6 37.Ra8 Rh5 38.Rg8 Kf7 39.Rc8 Kg6 40.Rc1 Rh3 41.Rg1 Kf7 42.Kf5 Rh2 43.Rf1 Rh5 44.Ke4 Ra5 45.Ra1 Ke6 46.Rb1 Ra4 47.Rh1 Ra2 48.f3 Kf7 49.Rh6 1–0. Blechar,Michael J (2230) – Johansson,Christer (2185), Sweden – USA (server), 2007.

8.Qb3 Bc3 9.Bc3 dc4 10.Bc4 Bc4 11.Qc4 Ne7 =.

8.Qb3 Bc3 9.Bc3 Ne7 10.a4 (10.c5!?+=) 10...dc4= 11.Bc4 Bc4 12.Qc4 Qd5 13.Qd5 cd5 14.Ne2 Nd7 15.a5 Kf7 16.Kd2 Rhc8 17.Bb4 Rc4 18.Be7 Ke7 19.Rhc1 Rac8 20.Nc3 Ke6 21.a6 b6 22.Na2 f5 23.Nb4 Nb8 24.g3 R8c7 25.h3 Rc8 26.Rc2 Rc2 27.Nc2 Rc4 28.Na3 Rc7 29.Ra2 Rc8 30.Rc2 Rc2 31.Nc2 h5?? (better is 31...Ke7=) 32.h4+– Nd7 33.Ke2 Kd6 34.Nb4 Nb8 35.f3 Ke6 36.Kf2 Kd6 37.g4 g6? (better is 37...hg4 38.fg4 fg4+–) 38.gf5 gf5 39.Kg3 Nd7? (39...Ke6+–) 40.Nc6 1–0. forsetinn (2320) – marekt (2070), gameknot.com, 2014.

7.Nc3 Bd6

8.a4 Bb4 9.Qh5 g6 10.Qh4 +=.

8.a4 Ne7 9.Nge2 (9.bc6 Nbc6 10.cd5 Nd5 11.Ne4 Bb4 12.Nd2 Rc8=) 9...0–0 (9...Qa5 10.c5 Bc7 11.Qd2+=) 10.Nc1 (10.c5 Bc7=) 10...f5 (10...Bb4+=) 11.g3 (11.c5 Bc7+=) 11...Nd7 (11...dc4 12.bc6 bc6 13.Bh3–/+) 12.Nb3? (12.c5 Bc7+=) 12...g5?? (better is 12...dc4 13.bc6 cb3 (13...bc6?! 14.Nd2–/+) 14.cd7 Bb4–+ (14...Bd7?! 15.Qb3 Kh8 16.Qb7=)) 13.h4 (13.c5 Bc7=) 13...f4 (13...dc4 14.Nd2 g4 15.bc6 bc6 16.Bc4+=) 14.gf4 (14.c5 Bc7 15.gf4 gf4 16.Rg1 Ng6+=) 14...gf4 15.Rg1 Ng6 16.h5 (16.Qh5 Qf6 17.Kd1 fe3 (worse is 17...dc4 18.Ne4 Qg7 19.Na5+/–) 18.fe3 A) worse is 18...dc4 19.Nd2+/– (worse is 19.Ne4 Qf1 20.Rf1 Rf1 21.Kd2 Rf5–/+); B) 18...Bh2+=) 16...Qh4–/+ 17.ef4 e3 (worse is 17...Qf4 18.Qe2 Qh2 19.Rg5+/–) 18.Qe2 Bf4 (18...ef2 19.Qf2 Qf2 20.Kf2 dc4 21.Nd2 Bf4 22.Nf3+/–) 19.Kd1 (19.Rg2 dc4 20.bc6 bc6+=) 19...Bh2 (19...Qf2 20.Rg2 Qe2 21.Ke2 dc4=) 20.Rg2+/– (20.hg6 Bg1 21.Qe3 Bg4 22.Be2 Bf2–+ (22...Qf2 23.Qf2 Rf2 24.Bg4+=); 20.Qe3 Rae8 21.Rg2 Bg4 22.Rg4 Qg4 23.Be2 Qg2 (23...Re3?! 24.Bg4 Rf2 25.Nd2–/+) 24.hg6 Re3 25.gh7 Kh7 26.fe3 dc4 27.bc6 bc6–+ (27...Qc6?! 28.Nd2–/+)) 20...Rf2 Opening the f–file gets Black a lot of play (20...Bh3 21.Rh2 Bf1 22.Rh4 Be2 23.Ke2 Nh4 24.fe3=) 21.Rf2 Bg4 22.Rh2 (22.hg6? ef2 23.gh7 Kh7 24.bc6 bc6–+) 22...Be2 23.Re2 (23.Be2? Qh2 24.hg6 dc4 25.Bc4 Kg7–+) 23...Qh5 24.Kc1? (24.bc6 bc6 25.cd5–+) 24...Rf8–+ (24...dc4?! 25.Na5 Rf8 26.Re1 cb5 27.ab5 Rf1 28.Rf1=) 25.Bg2 Qg5 26.Nd5 Rf2 27.Kd1?? Re2 28.Ke2 Qg2 29.Ke3 Qb2 (29...Qb2 30.Nf4 Qb3 31.Nd3 Nb6 32.bc6 Nc4 33.Ke4 bc6–+) 0–1. Karadag,Cem – Duchesne,Edward L, WCh U20 Graz, 1978.

8.Qa4 f5 9.bc6 bc6 10.cd5 Bd7 11.Qb3 Ne7 12.dc6 Nbc6 +/–.

8.Qa4 f5 9.bc6 bc6 10.Nd5 Ne7+/– 11.Ne7 Qe7 12.c5 Bc7 13.Ne2 0–0 14.Nc3 Rf6 15.Rb1 Bf7 16.Bc4 Nd7 17.g3 Bc4 18.Qc4 Qf7 19.Qa6 Nf8 20.Ba1 Rh6 21.h4 Qe8 22.Rb7 Ne6 23.Ra7 Rb8 24.Qc4 (24.Qc4 Kh8 25.a4+/–) 1–0. forsetinn (2315) – marekt (2125), gameknot.com, 2014.

8.Qa4 f5 9.bc6 bc6 10.Nd5 Ne7 11.Ne7 Qe7 12.c5 Bc7 13.Ne2 0–0 14.Nc3 Qf7 15.Bc1 a5 16.Rb1 Ra7 17.Be2 Na6 18.a3 (18.Qc6?! Bd7 19.Qa6 Ra6 20.Ba6 Be6+=) 18...Rb8 19.h3 (19.Qc6?! Rb1 20.Nb1 Bd7 21.Qa6 Ra6 22.Ba6 Kf8=) 19...Rb1 20.Nb1 Nb8 21.Nd2 f4 22.Qc2 (worse is 22.Ne4 Bb3 23.Ng5 Ba4 24.Nf7 Kf7 25.ef4 Rb7+=) 22...fe3 23.Ne4 ef2 24.Nf2 Bf5 25.Qd1 Nd7 26.0–0 Qe6 27.Re1 Bg3 (better is 27...Nf6!?+/–) 28.Bf3+– (28.Bf3 Qf7 29.Re2+– (29.Bc6 Bf2 30.Kf2 Be4 31.Kg1 Bc6–/+)) 1–0. forsetinn (2350) – marekt (2190), gameknot.com, 2014.

8.Qb3 dc4 9.Bc4 Bc4 10.Qc4 +=.

8.Qb3 Qd7 9.bc6+= bc6 10.Rc1 (10.cd5 Bd5 11.Bc4 Bc4 12.Qc4 f5=) 10...Ne7 11.cd5 cd5 (11...Bd5 12.Nd5 cd5 13.Bb5=) 12.Nb5 0–0 13.Nd6 Qd6 14.Ba3 Qd8 (14...Qd7 15.Bb5 Qd8 16.Ne2+/–) 15.Bb5 (15.Ne2 Nbc6+=) 15...Qa5 (15...a6 16.Qa4=) 16.Qb4 (16.Kd1 Rf7=) 16...Qb4= 17.Bb4 Rc8 18.Ne2 (18.Bc5 a6 19.Be2 Nbc6=) 18...Rc1 (18...a6 19.Rc8 Nc8 20.Ba4=) 19.Nc1 Nbc6 (19...Kf7 20.Bd6=) 20.Bd6 Rd8 21.Ba3 (21.Bg3 Nb4=) 21...Kf7 (21...Rb8 22.Be2=) 22.Nb3 Rb8 23.Be2 Nb4 24.Bb4 Rb4 25.Kd2 Bd7 26.Rc1 (26.Kc3 Rb6+=) 26...Ba4 (26...a5+=) 27.Rc7 (27.Kc3!? Rb6 28.Nc5+=) 27...Bb3+= 28.Kc3 Rc4 29.Bc4 Bc4 30.Ra7 The passed pawn on a2 will quickly become a dangerous weapon 30...Ke6 31.a4 Kd6 (31...Bf1 32.g3=) 32.a5 h5 33.a6 Nc6+= 34.Ra8 Kc7 35.a7 Kb6 36.Rg8 Na7 37.Rg7 Nb5 38.Kd2+= Nd6 39.Rg6 Bb5 40.Rf6 Kc7 41.Kc3 Be8 42.Kb4+/– Kc6 43.Rh6 Bf7 44.h4 Kd7+= 45.g4 hg4= 46.Rh7 Ke7 47.Rg7 Nf5 48.Rg4 Kf6 49.Kc5 Ke6 50.Rf4 Bg6 (50...Bh5 51.Kb6=) ½–½. Balendo,E – Kolker,B, 13 ch USSR, 1977.

8.bc6 bc6 9.Qb3 dc4 10.Bc4 Bc4 11.Qc4 f5 +=.

8.bc6 bc6 9.Qb3 Qd7 +=.

7.Nd2 Bb4

8.Qb3 Bd2 9.Kd2 Ne7 10.a4 0–0 11.c5 Nd7 12.Ne2 Bf7 13.Nc3 Qc7 14.Be2 f5 15.g3 a6 16.b6 Qd8 17.h4 h5 18.Qd1 g6 19.Ba3 Nf6 20.Bb4 Ng4 21.Bg4 fg4 22.Qc2 Be6 23.Nd1 Bf5 24.Kc3 Kg7 25.Rf1 Ng8 26.Kb3 g5 27.hg5 Qg5 28.Qe2 Ne7 29.Rh1 Bg6 30.Qf1 Rf3 31.Be1 Raf8 32.Rh2 Rg3 33.Qh1 Rgf3 34.Nc3 Nf5 35.Ne2 Ne3 36.fe3 Qe3 37.Nc3 Rf1 38.Qg2 Re1 39.Re1 Qe1 40.Qe2 Qa1 41.Rf2 Rf3 42.Rf3 gf3 0–1. popovicigelu – tarikatsky (1660), internet, 2013.

8.cd5 cd5 9.Be2 Ne7 10.a3 Bd6 11.Rc1 0–0 12.Rc3 Nd7 13.f3 ef3 14.Ngf3 Rc8 15.Qc2 Nf5 16.Qb3 Rc3 17.Qc3 Nb6 18.e4 de4 19.Ne4 Na4 20.Qd2 Nb2 21.Nd6 Qd6 22.Qb2 Rd8 23.0–0 Nd4 =+. Psion, 4', 1990.

6.Nd2 a6

7.a4 Bb4 8.Ba3 Bc3 9.Qh5 g6 10.Qd1 Ba1 11.Qa1 ab5 12.ab5 –+.

7.a4 ab5 8.Bb5 c6 9.Be2 Bb4 10.c3 Ba5 11.Qb3 Qb6 12.Qc2 Ne7 13.Bd1 Nd7=+ 14.Ne2 0–0 15.Nb3 Qc7 16.Nf4 Bf5 17.0–0 Ng6 18.Ne2 Nb6 19.Nd2 Rfe8 20.Ng3 Be6 21.Be2 Qe7 22.Rfc1 f5=+ 23.Nb3 f4 24.Nh5 fe3–/+ 25.fe3 Qg5 26.Qd2 Rf8 27.Nc5 Bg4 28.Ng3 Rf7 29.Rf1=+ Raf8 30.Bb5?? cb5–+ 31.ab5 Nc4 32.Qe1 Rf1 33.Nf1 b6 34.Na4 Bd7 35.Bc1 Bb5 36.Ng3 Ne7 37.Qe2 Ba4 38.Ra4 b5 39.Ra5 Na5 40.Qb5 Qg4 41.Qa4 Nc4 42.Qc2 Nf5 43.Nf1 Qh4 44.Qe2 Ra8 45.g3 Qh3 46.Qf2 Ra1 47.Qe1 Nb2! 48.Qd2 Nd3 49.Qg2 Qg2 50.Kg2 Rc1 51.g4 Nh4 52.Kh3 g5 53.Nd2 Re1 54.Nf1 Rf1 55.Kg3 Rf3# 0–1. NN – REXChess, 1994.

7.a4 f5 8.Ne2 Nf6 9.Nf4 Bf7 10.c4 Bd6 11.Nd5 Nd5=+ 12.cd5 Bd5 13.Ba3 Ba3 14.Ra3 0–0 15.Qc2 c6=+ 16.ba6 Na6 17.Ba6 Ra6= 18.0–0 b5 19.Qc5 Ra4 20.Ra4 ba4 21.Qb4 f4 22.Qa4 Qe7 23.g3 Qe6 24.Ra1 Qf5 25.ef4 g5=+ 26.Qa3 gf4 27.gf4 Kh8 28.Qe3 Rg8 29.Kf1 Qg4 30.Ke1 Qg1–/+ 31.Nf1 Bc4 32.Kd2 Bf1 33.Qe4 Qf2 34.Kc3 Qe2 35.Qe5 Qe5 36.fe5 Bg2–+ 37.Rg1 Rg4 38.Rb1 Bd5 39.Rb2 Kg7 40.Rf2 Rg2 (40...Rg2 41.Rg2 Bg2–+) 0–1. Pachurka,Roland (1800) – Hoegerl,Gerd (2115), DESC, 2002.

7.Ne2 ab5 8.Nf4 Bf5 9.Bb5 c6 10.Be2 Bd6 11.c4 Ne7 12.Qb3 Bf4 13.ef4 (13.ef4 Qd7 14.0–0=). Van Rooijen,Peter (1700) – Itter,Erik (1770), IECG, 2002.

7.Qh5 g6 8.Qd1 Bd6 =+.

7.Nh3 ab5

8.Bb5 c6 9.Nf4 Bf7 10.Be2 Bd6 11.c4 Ne7 12.Nh5 0–0 13.0–0 Nd7 14.Ng3 f5 15.f4 dc4 16.Nc4 Nf6 17.a4 Nfd5 18.Qb3 Bc7 19.a5 Ba5 20.Qb7 Rb8 21.Qa7 Rb2 22.Qa5 Qa5 23.Ra5 Rc2 24.Rf2 Be6 25.h3 Rb8 26.Ra3 Rb4 27.Ra8+= Nc8 28.Nd6 Ndb6 29.Rb8 Nd5 30.Ra8 Nc7 31.Rc8+/– Bc8 32.Nc8 g6 33.Bf1 Rc3 34.Ne2 Re3 35.Ne7 Kf7 36.Nc6 Rb1 37.Ne5 Ke6 38.g3 Nd5 39.Nc4 Reb3 40.Kh2 Rb4 41.Ne5 Ne3 42.Kg1 Re1 43.d5 Kd6 44.g4 Nf1 45.Rf1 Re2 46.Rd1 e3 47.Nf7 Ke7 48.Ne5 Rd2 49.Re1 Rf4 50.Re3 Re4 51.Nc4 Re3 52.Ne3 f4 (52...f4 53.d6 Rd6–+) 0–1. Horbach,Frank – De Reu,Paul (2035), IECG, 1998.

6.Nd2 Bb4

7.a3 Ba5 8.Ne2 Ne7 9.Nf4 Bf7 10.Be2 0–0 11.0–0 c6 12.a4 Nd7 13.c4 Bc7 14.bc6 bc6 15.cd5 cd5 16.Ba3 Re8 17.Nb3 Nb6 18.Bb5+= Rf8 19.Qg4 f5 20.Qh4 Bd6 21.Nc5 Ng6 22.Qd8+– Rfd8 23.Ng6 hg6 24.Nb7+– Ba3 25.Nd8 Rd8 26.Ra3 Rc8 27.Rb3 Kf8 28.Rfb1 Ke7 29.a5 Nc4 30.Ba6 (30.Ba6 Rc7 31.Rb7 Rb7 32.Rb7 (32.Bb7?! g5+–) 32...Kf6 33.Bc4 dc4 34.a6+–) 1–0. pcmvr (2695) – iivanov (2500), net–chess.com, 2006.

7.Ne2 Ne7 8.Nf4 Bf7 9.Be2 Ng6 10.Ng6 hg6 11.c3 Bd6 12.h3 f5 13.Qa4 c6 14.Ba3+= 0–0 15.0–0–0 Be8 16.c4 cb5 17.cb5 Na6 18.Qb3 Ba3 19.Qa3 Nc7 20.Qb3 b6 21.Kb2 a5 22.a4 Ne6 23.Rc1 Qd6 24.f4 Nd4? 25.ed4+– Qf4 26.Nf1 Qf2 27.Qe3 Qh4 28.g3 Qe7 29.h4?? Qb4= 30.Qb3 Qd4 31.Kb1 Bf7 32.Ne3 Qb4 33.Qb4 ab4 34.Bd1 d4 35.Nc4 Rab8 36.Ne5 Be8 37.Bb3+= Kh7 38.Rc7 Kh6 39.Rf1 Rd8 40.Kc1 e3 41.Bc4 b3 42.Kb2 Rf6 43.Kb3 Rfd6 44.Kc2 Rd5?? 45.Bd5 Rd5 46.Nd3 Bd7 47.Nf4 d3 48.Nd3 Be6 49.Re1 f4 50.gf4 Bf5 51.Re3 Kh5 52.Kc3 Kh4 53.Rc6 Kg4 54.Rb6 Rd7 55.a5 1–0. Zornack,Andre (1985) – Rheindt,Stefan (2015), RSS4D basic–12, 2008.

7.c3 Ba5

8.a4 c6 9.Qb3 (9.Nb3=) 9...Ne7 (9...Qd7!?=) 10.Ne4+= 0–0 (10...de4 11.Qe6) 11.Nf3+/– Kh8 (11...Nd7 12.Bd3+/–) 12.Nc5 Bc8 13.Ba3 (13.Be2 b6 14.Nd3 a6+/–) 13...f5 (13...b6 14.Nd3+/–) 14.g3 (14.Ne5 Rf6+/–) 14...Ng6 (14...b6 15.Nd3 Bb7 16.Nf4+/–) 15.Be2 Re8 16.h4 (16.0–0 b6 17.Nd3 cb5 18.ab5 Be6+–) 16...Qf6 (16...b6 17.h5 Ne7 18.Nd3+/–) 17.Rc1 (17.h5 Ne7+/–) 17...f4 (17...b6 18.h5 Ne7 19.Nd3+/–) 18.h5 fe3? (better is 18...Nf8 19.gf4 b6+–) 19.hg6 Bg4 (19...ef2 20.Kf2 h6 21.bc6 bc6 22.c4+–) 20.Qd1 (20.Rh7 Kg8 21.Qd1 b6+–) 20...Bc7 21.Rh7 Kg8 22.Rh4 Bf3 23.Bf3 Rf8 24.Bd5! cd5 25.Rh8! (25…Kh8 26.Qh5 Kg8 27.Qh7#) 1–0. Gorbylev,Aleksandr – Cehic,Goran (2150), Ch World (for the Deaf), 1996.

8.Qa4 c6 9.Ne2 Bd7 (9...a6 10.bc6 b5 11.c7 Qc7 12.Qb3=) 10.Nf4= a6 (10...Qb6 11.Nb3 g5 12.Ne2+– (12.Qa5?! Qa5 13.Na5 gf4+/–; 12.Na5?! gf4 13.ef4 cb5=)) 11.ba6 (11.bc6 Bc6 12.Qd1 g6+=) 11...Na6 12.Qc2 (12.Qb3 b6=) 12...Nc7 (12...Ne7 13.Rb1=+) 13.Be2= Ne6 (13...Ne7 14.0–0=) 14.Ne6 Be6 15.0–0 f5 (15...Qd6 16.Rfb1=) 16.Nb3 (16.Qb3 b6=) 16...Bc7=+ 17.Nc5 Bc8 (17...Qh4 18.g3 Qe7 19.c4+=) 18.f3 Qh4 19.f4 g5 (19...b6 20.g3 Qf6 21.Nb3=+) 20.Qd2 (20.g3 Qh6=) 20...gf4 21.ef4 Nf6 (better is 21...b6 22.Nb3 Ba6=+) 22.Qe1? (22.c4 dc4 23.Bc4 Nd5 24.Bd5 cd5=+) 22...Qh6?? (better is 22...Qe1 23.Rfe1 b6–+) 23.Qg3 (23.Qd2!?=) 23...Rg8 24.Qe3 b6 25.Nd3 Ba6 26.Ne5 Be2 27.Qe2 Ng4 28.h3 Ne5–+ 29.fe5 Qh3 30.Rf2 Kd7 31.a3 Rg3 32.Qd2 Rag8 33.Kf1 Qh1 34.Ke2 Qh5 35.Kf1 e3 36.Qe2 Qh1# 0–1. Dietrich,Maximilian – Preusser,Raimund, Niedersachsen–ch U13, 1996.

8.Ne2 Ne7 9.a4 0–0 10.Nb3 Bb6? (better is 10...c6=) 11.a5 Nd7 (11...a6 12.Nf4 Qd6 13.Ba3+–) 12.ab6 Nb6 13.Nf4 Bf7 14.Be2 g5 15.Nh5 Ng6? (15...Bh5 16.Bh5 Nc4 17.Ba3+–) 16.0–0 (16.Ba3 Ne7 17.Nc5 Bh5 18.Bh5 Nc4+–) 16...f5 17.f3 (better is 17.Ba3!? Ne7+–) 17...ef3 18.Bf3 g4 (18...Nc4 19.Bc1 Nh4 20.Be2 Bh5 21.Bh5+–) 19.Be2 Nh4 20.Nf4 Qe7 21.Qd2 Nc4 (21...Rfe8 22.Nc5+–) 22.Bc4 dc4 23.Nc5 (better is 23.Ba3!? Qd7 24.Nc5 Qb5+–) 23...b6 24.Na6 Ng6 (24...Qd7+–) 25.Ba3 c5 (25...Qd7 26.Bf8 Rf8 27.Qc2+–) 26.bc6 (26.bc6 Qe4 27.Bf8 Rf8 28.c7+–) 1–0. Krivoshapko,Alexander – Skokov,Boris, Omsk RUS, Summer Open, 2013.

8.f3 f5 9.a4 (9.Nb3 Bb6=) 9...Nf6 10.Nb3 Bb6 11.a5 ef3 12.Nf3 (< 12.ab6 fg2 13.Bg2 cb6+/–) 12...Bd4 (12...a6 13.ab6 cb6 14.Bd3+–) 13.ed4 0–0 14.Bd3 Re8 (14...a6 15.0–0+–) 15.0–0 Nbd7 (15...a6 16.Nc5 Qc8 17.Ng5+–) 16.Ng5 g6 17.c4 (17.a6 Rb8+–) 17...dc4 (17...a6 18.Ne6 Re6 19.ba6 ba6 20.cd5 Nd5 21.Bc4+–) 18.Ne6 Re6 19.Bc4 Nf8 20.Nc5 Nd5 21.Nb7 (better is 21.Ne6 Ne6 22.a6 Rb8+–) 21...Qd7 22.Qb3 c6 23.bc6 Qc6 24.Bd5 Qc8 25.Rae1 Rb8 26.Re6 Kh8 27.Re7 Ra8 28.Bf7 Ne6 29.Be6 Qe6 30.Qe6 Rf8 31.d5 Rf6 32.Bf6# 1–0. SuperForte – REXChess, 1994.

7.c3 Bd6

8.a4 c5 9.dc5+/– Bc5 10.Nb3 Bd6 11.Ne2 Nh6 12.Ned4 Bf7= 13.Be2 Nd7 14.Ba3 Ba3 15.Ra3 Qe7 16.Qa1 Rc8 17.a5= 0–0 18.a6+= Nc5?? 19.Nc5+– Rc5 20.ab7 Qb7 21.Ra7 Qb6 22.Ra6 Qb8 23.Kd2 Rc4? 24.Bc4 dc4 25.h3 Rd8 26.Qa5 Be8 27.Ra1 Nf5 28.Ra8 (28.Ra8 Qa8 29.Qa8 Ra8 30.Ra8+–) 1–0. Hingst,Thomas (2095) – Rheindt,Stefan (2015), RSS7E basic–13, 2009.

8.c4 =+.

6.Nd2 c5

7.c3 Bd6 8.a4 cd4 9.ed4 Ne7=+ 10.Qb3 Bf7 11.Ne2 Nd7 12.f3 0–0 13.fe4=+ de4 14.c4 f5 15.Nc3 Kh8 16.Be2=+ Qc7 17.Nf1 Ng6 18.g3 Rae8–/+ 19.Nd2 Rd8 20.Qc2 Nf6 21.c5 Be7–/+ 22.Nd1 Nd5 23.0–0=+ Be8 24.Bc4 Bf6 25.Bd5 Rd5 26.Qc4 Bf7–/+ 27.Qe2 Rd4 28.Rf5 Qe7 29.Ne3= Rdd8 30.Bf6+= gf6 31.Kh1 Qe6 32.Qf2 Rd3 33.Ndc4+/– Be8 34.Rf1 Kg7? 35.Nd6+– Rd6 36.cd6 Qd6 37.Nd5 Bf7 38.Nf6 e3 39.Qe3 Kh8 40.Qc3 Ne5 41.Ne4 Qe7 42.Re5 Qe5 43.Qe5 Kg8 44.Nf6 Kg7 45.Ne8 Kh6 46.Qg7 Kh5 47.Nf6# 1–0. NN – SuperForte 5 Mhz, 1992.

7.c4 cd4= 8.ed4 Bb4 9.c5 Qa5 10.Bc1?? Bc3–/+ 11.Rb1 Qa2 12.Rb3 Bg4?? 13.Be2 Bd2 14.Bd2 Be2 15.Ne2 Qa4 16.Bc3 Ne7= 17.Nf4 0–0 18.0–0 Nd7 19.Qc2 f5?? 20.Ra1+– Nc5 21.dc5 Qc4 22.Ne6 Rf7 23.Rb4 Qd3 24.Qb3 Ng6 25.Rd1 Qe2 26.Rbd4 Ne7?? 27.Nf4+– Qg4 28.Nd5 Nd5 29.Rd5 Raf8 30.Rd7 Qg5 31.Be5 f4 32.Bd6 f3 33.g3 Qf6 34.Bf8 Kf8 35.Rd8 Qd8 36.Rd8 Ke7 37.Qd5 Kf6 38.Rd6 Ke7 39.Qe4 Kf8 40.Rd8# 1–0. NN – SuperForte 5 Mhz, 1993.

7.dc5!? Qc7 A) 8.Nb3 Nh6 9.Be2 Bc5 10.Nc5 Qc5 11.Bd4 Qc7=; B) 8.Ne2 Bc5 9.Nf4 Bf7 10.Rc1 Bb4 11.a3 Ba5+=; C) 8.c4 Qc5 9.cd5 Qd5 10.Bc4 Qf5 11.Qb3 Bc4 +/–.

7.dc5!? Qc8 8.c4+= Qc5 9.Bd4 Qd6 10.Nh3 dc4 11.Nf4 Bf7 +/–.

7.bc6 Nc6=+ 8.Bb5 Bd6 9.Ne2 Nge7 10.c4 0–0 11.Nc3 f5 12.c5 Bc7 13.0–0 f4=+ 14.Rb1 fe3 15.fe3 Rf1 16.Nf1 Rc8 17.Ne2 Qf8 18.Bc3 Bg4 19.Qe1 Qf6 20.Rb2 Rf8 21.Neg3 a6 22.Ba4= Bc8 23.Rf2 Nf5 24.Bb3 Qe6 25.Qe2 Nce7 26.Qg4 Nd4!–/+ 27.Qg5? Rf2–+ 28.Kf2 Qf7 29.Kg1 Ne6 30.Qh4 Nc5 31.Nh5 Ng6 32.Qe1 Nb3 33.ab3 Be5. NN – SuperConstellation4, 1988.

7.dc5!? Bc5

8.Nb3 Bb4 9.c3 Bd6 10.Nd4 Bf7 11.Nh3 Nd7 12.Nf4 Bf8? (better is 12...Bf4!? 13.ef4 Ne7=) 13.Nde6+/– (13.Nde6 Qc8 14.Nf8 Nf8 15.Nd5+/–) 1–0. Fournier,Frederic (1990) – NN, Active, 2004.

8.Nb3 Bb4 9.Nd2 =.

8.Nb3 Bb6 9.Ne2 Ne7 10.Ned4+= Qd6 11.Ne6 Qe6 12.Be2 0–0 13.0–0 Nd7 14.a4 Nc5 15.a5 Bc7?? 16.Nd4 Qd6 17.g3 Qd7 18.f4 ef3 19.Nf3 Nf5= 20.Ne5?? Be5 21.Bg4 Bb2 22.Bf5 Qd6 23.Rb1 Be5 24.Qh5 g6 25.Bg6 Qe7 26.Bd3 Kh8 27.Qh6 Rg8 28.Rb4?? Rg7 29.Rh4 Bc3 30.Rf5 Bd2 31.Qf6?! Qf6 32.Rf6 Be3 33.Kg2 Bg5 34.Rhh6 d4 35.a6 b6 36.Rd6 Bh6 37.Rh6 Rd8 38.h3 Kg8 39.g4 Re7 40.Kg3 Rc7 41.Kf2 Rf7 (41...Nd3 42.cd3 Rf8 43.Kg2 Rc2 44.Kg3–+) ½–½. Kwiek,Janusz – Kapuscik, corr ch35–Poland, 1992.

8.Ne2 Bb4 9.Nd4 Bf7 10.c3 =.

8.Ne2 Ne7 9.Nd4 (9.Nf4 Bf7=) 9...Bf7 10.c4 0–0 (10...Bb4 11.cd5 Qd5 12.a3 Bd2 13.Qd2=) 11.Be2 (11.Rc1 a6=) 11...Nd7 12.0–0 Ne5 (12...Nb6 13.Qc1=) 13.cd5 Bd5 14.Qa4 Bd6? (better is 14...b6!?= would allow Black to play on) 15.Ne4!+/– a fitting end to a beautiful game 15...Be4 (15...Be4 16.Ne6 Combination) 16.Ne6+– Qc8 17.Nf8 Bc2 18.Qd4 Bc5 19.Qd2 (19.Qf4!? Bd6 20.Rac1 Kf8+–) 19...Bf5 20.Nh7 Kh7 21.Rac1 (21.Be5 fe5 22.Rac1 Qc7+–) 21...b6 (21...Qd7 22.Qe1 Qd6 23.Be5 Qe5 24.Qd1+/–) 22.Ba3 (22.Be5!? fe5 23.Rfd1 Qb8+–) 22...Qd7 23.Qd7 (23.Qc3!? Rc8 24.Rfd1 Qb7+/–) 23...Nd7+/– 24.Bc5 Nc5 25.Rfd1 Kg8 26.Bc4 Kf8 27.f3 Re8 28.e4 Bd7 29.g4 Nc8 30.Rd4 Ke7 Black king safety dropped 31.Rcd1 Be6 32.Be6 Ke6 33.Kf2 g5 White has a new backward pawn: h2 34.Kg3 Ne7 35.Rd8 Kf7 36.R1d6 Ng8 37.h4 gh4 38.Kh4 Ke7 39.Re8+– Ke8 40.g5 fg5 41.Kg5+/– Kf7 42.Kf5 Ne7 43.Ke5 Ng6 44.Kd5 Nf4 45.Kc6 Nfe6 46.Kd5 Ke7 47.e5 Nf4 48.Kd4 Nfe6 49.Kc4 Nd7 50.Kd5+= Ndc5 51.Kc6 Nd8 52.Kd5 Nde6+= Twofold repetition 53.Rc6 Kd7 54.Rd6 An ideal square for the white rook. 54...Ke7= 55.a3 Nc7 56.Kc6 N7e6 57.Rd1 Kf7 58.a4 Na4 59.Rd7+= Kg6 60.Ra7+/– Nd4 61.Kb7 Nc3 62.Kb6 Ncb5 63.Ra5 Nf3 64.Rb5 Kf5 65.Kc6 Ke6 ½–½. Melich,Jindrich (2130) – Hlavacek,Jiri (2210), CZE–chT2J (3), 2002.

8.Ne4 Be3 9.Nf6 Nf6 10.fe3 0–0 +=.

6.Nd2 c6

7.a4 Qa5 8.c3 Bd6 9.Qb3 Bd7 10.Ba3= Ba3 11.Ra3 Ne7 12.Be2 Nc8 13.c4 dc4 14.Bc4 Nd6 15.Be6 cb5=+ 16.Bd7 Kd7 17.ab5 Qb5 18.Ne4 Qb3 19.Nc5 Ke7 20.Rb3 ½–½. Nock,J – Lex,C, corr, 1995.

7.a4 Bb4 8.bc6 Nc6 9.Bb5 =+.

7.a4 Qb6 8.c4 c5 9.cd5+/– Bd5 10.Nc4 Qe6= 11.Qb3 Nd7 12.Nh3 Bd6 13.Nd6 Qd6 14.Bc4 Ne7 15.Nf4 Nb6 16.Bd5 Nbd5 17.dc5+/– Qc5 18.Ne6 Qb4= 19.Qb4 Nb4 20.Nc7 Kf7 21.Na8= Nc2 22.Ke2 Na1 23.Ra1 Ra8 24.Rd1 Ke6 25.Rd4+= f5 26.Rc4 g6 27.f3 Rc8 28.Rc8 Nc8 29.Kf2 Nd6 30.Kg3 ef3 31.gf3 Kd5 32.Kf4 Nf7 33.e4 fe4 34.fe4 Kc4 35.Bf6 h6 36.h3 Kc5 37.h4 Kd6 38.Bd4+= a6 ½–½. Bivens,William H – Breaux, corr, 1984.

7.a4 Nh6 8.Ne2 Bd6 9.Ng3 0–0 10.Be2 a6 11.Ba3 ab5 12.Bd6= Qd6 13.ab5 Nd7 14.0–0 f5 15.c4 cb5 16.c5 Qe7 17.Ra8 Ra8 18.Qb3 Rb8 19.Bb5 Bf7 20.Rc1 Rc8 21.Bd7 Qd7 22.Rb1 Rb8 23.Qb5 Be8 24.Qd7 Bd7 25.Nh5 Bc6 26.Nf4 Rf8 27.h3 g5 28.Ne6+/– Re8 29.Ng5 Re7 30.Re1 Nf7 31.Nf7 Rf7 32.g3 Bd7 33.h4 h5 34.Rb1 Bc6 35.Rb6 Rf8 36.f3 Ra8 37.Rb2 Kf7 38.fe4 fe4 39.Nf1 Kg6 40.Kg2 Kf5 41.Rf2 Kg6 42.Nh2 Bd7 43.Rb2 Ra7 44.Rb6 Bc6 45.g4 Ra2 46.Kg3 Ra3 47.gh5 Kh5 48.Ng4 Ra1?! 49.Kh3 Rh1+/– 50.Nh2?? Re1?? 51.Rb3?? (51.Ng4 Rh1 52.Kg2+/–) ½–½. Melzig,Ernst – Zoll,Theo, 14sen.Bad Sooden–Allendorf, 2002.

7.Nb3 Bd6 8.Qd2 Ne7 9.f3 f5 10.Nc5 Qc8 11.Nh3 b6 12.Ne6 Qe6 13.Ng5 Qd7 14.c4 a5 15.a3 0–0 16.bc6+= Nbc6 17.cd5 Nd5 18.Bb5 Rac8 19.0–0 Qe7 20.Bc4 Qg5 21.Bd5+= Kh8 22.fe4 Ne7 23.Be6 Bh2= 24.Kh1?? Qh6–+ 25.Rf2 Bf4 26.Kg1 Be3 27.Qe2 Bf2 28.Qf2 Qe6 29.d5 Qe4 30.Re1 Rc2 31.Bg7=+ Kg7 32.Qg3?? Qg4–+ 33.Re7 Kh8 34.Kh2?? Qg3–+ 35.Kg3 Rd2 0–1. Weisbrod,J – Halaszyn,M, corr ICCF, 1974.

7.c4 Bb4 8.cd5 Bd5 9.Nh3 Ne7 10.Nf4 Qa5 11.a3 Bd2 12.Qd2 Qd2 13.Kd2 0–0 14.Nd5 Nd5 15.Bc4 Nd7 16.Ba2 N7b6 17.bc6 bc6 18.Rhc1 Rfc8 19.Rc5 Kf8 20.Rac1 Ne7 21.Rh5 h6 22.Rh4 f5 23.g4 Ng6 24.Rh5 Ne7 25.a4 (25.gf5 Rab8+–) 25...Nbd5 (better is 25...Na4!? 26.Ba3 fg4+/–) 26.Ba3 Ke8 (26...fg4? 27.Re5 a5 28.Bd5 cd5 29.Re7+–) 27.gf5 Nf6 28.Rh4 Nf5 29.Rf4 g6 30.Rg1 Kd7 (30...Rd8 31.Rg6 Nd4 32.ed4 Rd4 33.Kc2 Ra4 34.Rff6 Ra3+–) 31.Rg6 1–0. Grabowski,Benedykt (1860) – Ruslin,Alexey, 11. LSS No Engine Cup Preliminary, 2009.

7.c4 cb5 8.cb5 Nd7 9.Rc1 Rc8 10.Rc8 Qc8 11.a4 Bd6 12.f3 ef3 13.Ngf3 Ne7 14.Bd3= Nf5 15.Qe2 Nb6 16.a5 Na4=+ 17.Bf5 Nb2 18.b6 a6 19.Be6 Qc1 20.Kf2 Qh1 21.Nf1 Nc4 22.Qa2 Be7 23.Bd5 Nd6 24.Qa4 Kf8 25.e4 f5 26.ef5 Nf5 27.Bb7 Nd6 28.Ng3 Qc1 29.Ba6 Qb2 30.Kg1 Qc1 31.Nf1 Bf6 32.Qb4 Ke7 33.d5 Qc3 34.Qc3 Bc3+/– 35.N1d2 Ba5 36.b7 Bb6 37.Kf1 Rb8 38.Ne5 Rf8 39.Ke2+– Bc7 40.Nc6 Kd7 41.Nf3 Bb8 42.Nfe5 Kc7 43.Nb8 Rb8= 44.Ke3 Nb7 45.Kd4 Nd6 46.Bd3 Rb2 47.Bh7 Rg2 48.h4 Rh2 49.Ng6 Nf5–/+ 50.Ke5 Nh4 51.d6 Kd8 52.Nf8 Nf3–+ 53.Kf4 Ne1 54.Ke5 Ke8 55.d7 Ke7 56.Bf5 Re2 57.Kf4 Rf2 58.Kg4 Ng2 59.Ng6 Kd8 60.Kg5 Ne3 61.Bh3 Rf3 62.Nf4 Rg3–+ 63.Kh4 Rg1 64.Kh5 g5 65.Ne6 Kd7 66.Ng5 Kd6 67.Bc8 Nd5 68.Bb7 Rb1 69.Nf7 Ke7?? 70.Bc6?? Nf6 (71.Kg6 Ke6–+; 70...Kf7?! 71.Bd5 Kf6 72.Be4=+) 0–1. SuperForte – Mephisto Mondial, 1994.

7.c4 dc4 8.bc6 Nc6 9.Bc3 =+.

7.Be2 Nh6 8.Nb3 Bb4 9.c3 Bd6 10.Nh3 0–0 (10...0–0 11.Nf4 Bf4 12.ef4 cb5=+; 10...Bh3!? 11.gh3 Qd7–/+) 0–1. Scott – Spiegel,M, corr SOK–88–21, 1988.

7.Ne2 f5 8.bc6 bc6 9.Qc1 Qa5 10.c4+= Nf6 11.c5 Bc8 12.Qc3 Qc7 13.Nf4 g5 14.Nh3 Bh6 15.Rb1 Nbd7 16.Nb3 Nf8 17.Qa5 Qd7 18.Ng1 Ng6 19.Qb4 0–0 20.Bc1 f4 21.Na5 Ng4 22.ef4= gf4 23.h3 Nf6 24.Rb3 Re8 25.Nc6 Qc6–/+ 26.Bb5 Qe6 27.Be8 Ne8 28.Ne2 Ba6 29.Rg1 e3 30.Rb2 ef2 31.Kf2 Bg5 32.g3 fg3–+ 33.Ng3 Bc1 34.Rc1 Nf4 35.Qd2 Nd3 36.Kg2 Ng7 37.Rcb1 Nb2 38.Rb2 Qf6 39.Kh2 Re8 40.Qf2 Qh4 41.Nh1 Qf2 42.Nf2 Re2 43.Rb8 Kf7 (43...Kf7 44.Kg1 Ne6–+) 0–1. Cetwinski,Olgierd (2210) – Jaworski,Miroslaw (2305), corr Poland–ch42, 1999.

7.Nh3= cb5 8.Bb5 Nd7 9.Nf4 Bf7 10.c4 a6 11.Bd7 Qd7= 12.Nd5 Bd5 13.cd5 Qd5 14.Qa4 Kf7 15.Rc1 b5 16.Qb3 Qb3 17.Rc7 Kg6 18.ab3 Bb4 19.Bc3 Bc3 20.Rc3 f5 21.f3 ef3 22.Nf3 Ne7+= 23.Kd2 Rhc8 24.Ra1 Rc3 25.Kc3 Nd5 26.Kd3 Kf6 27.h4 a5 28.Rc1 Nb4=+ 29.Kd2 a4 30.ba4 ba4 31.Ra1 a3 32.Ne5 a2 33.Nd3 Nd3 34.Kd3 Ra3 35.Kc4 Ke6 36.h5 Kd6 37.Kb4 Re3 38.Ra2 Kd5 39.Ra7 Rg3=+ (40.h6 Kd4 (< 40...Rg2 41.Rd7 Ke6 42.Rg7+=; 40...gh6 41.Rd7 Ke4 42.Re7 Kd4 43.Re2–+) 41.Rg7 f4+=). Bardyn,K – Sikora,A, Radom–ch corr, 1993.

7.Nh3= Nh6!? =.

7.a4 a6

8.Ne2 ab5 9.ab5 Ra1 10.Qa1 cb5 11.Nf4 –+.

8.Ne2 Bd6

9.c4 ab5 10.c5 Bc7 11.ab5 Ra1 12.Ba1 =.

9.c4 Nd7 10.c5 Bb8 11.b6 Ne7 12.Nb3 0–0 13.Na5 Qc8 14.Qd2 f5 15.g3 g5 16.Nc1 Nf6 17.Ncb3 Ng6 18.Nb7? Qb7–+ 19.Na5 Qd7 20.Bc3 Rf7 21.Rb1–/+ Qe8 22.b7 Ra7 23.Rb6 Bc7 24.Qb2=+ Bb6?? 25.Qb6+/– (25.Qb6 Qb8 26.Nc6 Rfb7 27.Nb8 Rb6 28.cb6+–) 1–0. NN – NN, (year?).

9.c4 Nd7 10.c5 Bb8 11.b6 Ne7 12.Nb3 0–0 13.Na5 Qc8 14.Qd2 f5 15.g3 g5 16.h4 f4 17.hg5+/– fg3 18.fg3 Rf3 19.0–0–0 Nf8 20.Nf4 Nf5 21.Ne6 Ne6= 22.Bh3 Ne3 23.Qh2+– h6 24.Rdg1 Qe8 25.Be6 Qe6 26.Qh6 Qh6 27.gh6 Bg3 28.Nb7 Kh8 29.Na5 Rc8 30.Kb1 Nf5 31.Rh5 Ne7 32.Rg5 Bf4 33.Rg7 Nf5 34.b7 Re8 35.Rf7 Nh6 36.Rf4! Rf4 37.Nc6 e3 38.b8Q Rb8 39.Nb8 e2 40.Re1 (40.Re1 Rf1 41.Bc3+–) 1–0. Sokolski,Alexey – Livshits, Minsk, 1956.

9.c4 Nd7 10.c5! Be7 11.Nf4 Bf7 12.Qg4! +/–.

9.Nf4 Bf5 =.

9.c4 dc4

10.ba6 ba6 11.Ne4 Ne7 12.Nd6 Qd6 13.Nc3 +=.

10.ba6 Na6 11.Ne4 Bb4 12.Bc3 Ne7 =.

10.Nc3 ab5!? 11.Nde4 b4 12.Nd6 Qd6 –/+.

10.Nc3 f5 11.Bc4 –+. Fournier.

10.Nc3 f5 11.Nc4 Bb4 =.

10.Nc3 f5 11.bc6 bc6! Fournier.

10.Nc3 f5 11.bc6 Nc6 12.d5 Bd5 13.Nd5 Be5 14.Be5 Ne5 15.Nc4 Nc4 16.Bc4 Ne7 17.Qh5 1–0. Fournier,Frederic – Wilk,B, corr 3GMM–05, 1995.

7.a4 Bd6

8.Ba3 Ne7 =.

8.c4 dc4 9.Rc1 Bb4 10.Bc4 Qd6 11.Qb3 Bc4= 12.Rc4 a5 13.Ke2 f5= 14.Bc3 Bc3 15.Rc3 Ne7 16.Nh3 Nd5 17.Rc5 Nd7=+ 18.Rc2 Nb4 19.Rb2 cb5–/+ 20.ab5 Nb6 21.Nc4 Nc4 22.Qc4 Ke7 23.Ng5 Qd5?? 24.Rb4!+– Kd6 25.Qd5 Kd5 26.Rb2 h6 27.Nh3 Rhc8 28.Kd2 g5 29.Rc1 Rc1 30.Kc1 Rc8 31.Kd2 b6 32.Ng1 Rc4 33.Ne2 Rb4 34.Nc3 Kc4 35.Kc2 h5 36.Rb4 ab4 37.Ne2 (37.Ne2 h4 38.g3+–) 1–0. Kilpatrick,Robert – McGhee,Malcolm, corr SCCA, 1978.

8.c4 Nh6 9.Qb3 0–0 10.bc6 bc6 11.cd5+/– cd5 12.Ne4 de4 13.Qe6+– Kh8 14.Qe4 Bb4 15.Kd1 Nd7 16.Bd3 f5 17.Qd5 Qe7 18.Nf3 Ng4 19.Ke2 Rae8 20.Bc1 f4+/– 21.h3 Ndf6 22.Qf5 Nf2 23.Kf2 fe3 24.Ke2 Qd6 25.Rf1 g6 26.Qg5?? Nh5 27.Ne5+= Rf1 28.Kf1 Qd4 29.Ng6 hg6 30.Qh6 Kg8 31.Qg6 Ng7 32.Ke2 Qc3 33.Qh7 Kf8–+ 34.Qh4 Ne6 35.Qb4? Qb4–+ 36.Ba3 Nf4 37.Kf3 Nd3 38.Bb4 Nb4 39.Ke2 Nd5 40.Re1 Ke7 41.g3 Kd6 42.Rc1 Ke5 43.Rc4 Rb8 44.Kd1 Rb1 (44...Rb1 45.Ke2 Rb2 46.Ke1 Nb4 47.Rb4 Rb4 48.g4 Ke4 49.Ke2 Rb2 50.Ke1 Ra2 51.g5 Kf3 52.Kd1 e2 53.Ke1 Ke3 54.g6 Ra1) 0–1. Kilpatrick,Robert – Bryson,Douglas Marshall, corr SCCA, 1979.

8.c4 Nh6 9.Qb3 f5 10.bc6+/– bc6 11.Qb7+= 0–0?? 12.c5 Be7 13.Qa8 Qc7 14.Bb5 g5 15.Ne2 f4 16.0–0 f3 17.Ng3 Bh3?? 18.Bc3 Bg2 19.Rfb1 Qd7 20.Nf3 ef3? 21.Bd3+– Qh3 22.Rb8 Ng4 (22...Ng4 23.Rf8 Bf8 24.Bh7 Qh7=). Kirdin – Kulpinsky, corr URS, 1991.

8.Ne2 Qc7 9.Ng3 =+.

8.Ne2 f5 9.Ba3= Nf6 10.Bd6 Qd6 11.Nf4 Bf7 12.Be2 Nbd7 13.0–0 Nf8 14.c4 Ng6 15.Nh3 0–0 16.a5 b6 17.Ng5 f4 18.Nf7 Rf7 19.ab6 c5 20.Ra6+/– Rb7 21.ba7+– Qe7 22.dc5 f3 23.gf3 Nd7 24.c6 Qg5 25.Kh1 Rba7 26.Ra7 Ra7 27.cd7 Rd7 28.cd5 Kh8 29.Ne4 Qd5 30.Qd5 Rd5 31.Rb1 1–0. Brenner,Sabine – Rotenberg,Ina, NRW–chT U20 Germany, 1995.

8.c4 Bb4

9.Ba3 Bc3 10.Rc1 Qa5 11.bc6 Nc6 =.

9.bc6 Nc6 10.cd5 Bd5=+ 11.Bb5 Nge7 12.Ne2 Qa5 13.Ba3=+ 0–0 14.Bc6 Nc6=+ 15.Bb4 Nb4 16.0–0 Nd3 17.Nc1 Nc1 18.Qc1 Rac8 19.Qb2 Rc7 20.Qb5 Qb5 21.ab5 b6 22.Rfb1 Rfc8=+ 23.Kf1 (23.Kf1 Kf7 24.Rd1=+). Mostowik,Daniel – Dobosz,Roman, corr 1AMM Poland, 1991.

9.Ne2 Bd2 10.Qd2 dc4 11.Nf4 Bd5 12.Qc3 g5 13.Nh5 cb5 14.ab5 Qc8 15.Rc1 a6 16.Qa5 Kf7 17.ba6= Ne7 18.Qc5 Na6=+ 19.Qd6 Qc6 20.Qc6 bc6 21.Ba3 Nc7 22.Be7 Ke7 23.Ng3 Ra4 24.Be2 Na6 25.0–0 Rb8 26.f3 ef3 27.gf3 Rb2 28.Ra1 Ra1 29.Ra1 Nb4 30.Rc1? Na2–+ 31.Rc4 Re2 0–1. Wolszczak – Thystrup,Preben, corr 3GMM–26, 1996.

9.Ne2 Ne7 10.Nc3 0–0 11.Qb3 Qa5 12.Rc1 f5 13.Ba3 Ba3 14.Qa3 Qd8 15.Be2 Ng6 16.0–0+= f4 17.bc6 bc6 18.cd5 cd5 19.Nb5 Qg5 20.Kh1 Nh4 21.g3 f3 22.Nc7 Bh3 23.Bd1 Nd7 24.Bb3+– Kh8 25.Bd5 Rab8 26.Ne4 Bg2 27.Kg1 Qg4 28.Rfd1 Nf5 29.Ne6 Nf6 30.Nf6 Rf6 31.Rb1 Re8 32.Nf4 Bh3 33.Rd2 g5 34.Nh3 Qh3 35.Bf3 Rh6 36.Rdb2 Qh2+/– 37.Kf1 Rf6 38.e4 Ng3 39.fg3 Qg3 40.Rf2 g4 41.Rb3 Ref8 42.e5+= Rf4 43.e6 gf3 44.e7 Qh3=+ 45.Ke1 Qh1 46.Kd2 Rd4 47.Ke3 Qe1=+ 48.Kd4 Qf2 49.Re3 Qd2 50.Ke4 Qc2 51.Rd3 Qc4–/+ 52.Ke5 Qf4 53.Ke6 Qf5 54.Kd6 f2 55.Qc3 Rf6–/+ 56.Kc7 f1Q 57.e8Q +–. Mueller,Klaus – Kalianov,LD, corr ICCF Cp, 1970–73.

9.Ne2 Bg4 10.Qc2 Ne7 11.h3 Be6 12.Nc3 0–0 13.Qb3 Ba5 14.cd5+= Bd5 15.Bc4 Kh8 16.0–0 f5 17.Ba3 Bc3 18.Qc3+= Nd7 19.bc6+/– bc6 20.a5 g5 21.Rab1 Rf7 22.Rb7 Nf6 23.Bc5 h5 24.Qa3 Nd7 25.Ra7 Ra7 26.Ba7 h4 27.Be2 Nf6 28.Rb1 Kh7 29.Bc5 g4 30.hg4 fg4 31.Rb7 Nf5 32.a6 g3 33.Rf7 Bf7 34.a7 gf2 35.Kf2 Qg8 36.Bd6 Qa8 37.Be5 Nd7 38.Bg4 Ne5 39.Bf5 Ng6 40.Qe7 Kg7 41.Bg6 Kg6 42.Qe4 Kg7 43.Qe5 (43.Qe5 Kg6 44.Qb8 Qa7 45.Qa7+–) 1–0. Jefimow,Bronislaw – Jankowicz,Robert, sF.2.ch.Gdansk, 1967.

8.c4 Ne7

9.Qb3 0–0 10.c5+= Bc7 11.Ne4 Ba5 12.Bc3+/– Bc3 13.Nc3 Qa5 14.Bd3 cb5 15.Bb5 a6 16.Bd3+– Nbc6 17.Nge2 Rab8 18.Rb1+– Bf7 19.0–0 Qd8 20.Rb2 Qd7 21.Rfb1 Kh8 22.Qc2 a5 23.Na2 Ng6 24.Rb6 Nh4 25.Qb3 Qg4 26.Ng3 Be6 27.Rb7 Nb4 28.Rb8 Rb8 29.Nb4 Rb4 30.Qc2 g6 31.Rb4 ab4 32.f3 Qg5 33.f4 Qh6 34.Qb3 g5 35.f5 Bf7 36.Qb4 g4 37.Qb8 Kg7 38.Qf4 Qf4 39.ef4 Be8 40.Bb5 Bf7 41.c6 (41…Nf5 42.Nf5 Kf8 43.c7+–) 1–0. Diener,Rudolf – Dietze, corr DDR, 1973.

9.Qb3 0–0=+ 10.c5 Bc7 11.Ne4! Ba5 12.Bc3+/– Bc3 13.Nc3 Nd7 14.Bd3 b6 15.cb6+– ab6 16.bc6 Nc6 17.Nd5 Nc5 18.dc5 Bd5 19.Bc4 Bc4 20.Qc4 Kh8 21.cb6 Qb6 22.Ne2 Ne5 23.Qd4 Qd4? 24.Nd4+– Nd3 25.Ke2 Nc5 26.a5 Rfb8 27.Nc6 Rb2 28.Kf3 Nd3? 29.Rhf1 h6 30.Ra3 Nb4 31.Nb4 Rb4 32.Rd1 Rb5 33.a6 Rb6 34.a7 Rb7 35.Rda1 Kg8 36.g4 Kf7 37.h4 Ke6 38.Ra6 1–0. Woronowicz,Z – Wilk,B, corr Poland, 1995.

9.Qb3 0–0 10.bc6 bc6 11.Ba3 Ba3 12.Qa3 =.

9.Qb3 dc4!? 10.Bc4 Bc4 11.Nc4 Nd5 =.

9.Qb3 Bf7 10.Ba3 Ba3 11.Ra3 0–0 12.Nh3 Nd7 13.a5 cb5 14.Qb5 Qc7 15.Be2 g5 16.0–0+= Be6 17.cd5 Bd5 18.Qb1 Qd6 19.Rc3 Qe6 20.Bc4 b6 21.Qe4!+/– Bc4 22.Rc4 Qf7 23.Rc7+– Nd5 24.Rb7 f5 25.Qd3 h6 26.a6 g4 27.Nf4 Nf4 28.ef4 Qd5 29.Qc4 Nf6 30.Re1 Rf7 31.Re5+/– Qc4 32.Nc4 Nd7 33.Rd5+– Nf8 34.Rf7 Kf7 35.g3 Ne6 36.Rd7 Ke8 37.Rh7+– Nf8 38.Nd6 Kd8 39.Nb7 Ke8 40.Rh6 Ke7 41.Rc6 Nd7 42.d5 b5 43.Nd6 b4 44.Nf5 Kd8 45.Nd4 Nb6 46.Rc5 Rc8 47.Rb5 Rc1 48.Kg2 Ra1?! 49.Nc6 Kc7 50.Nb4 1–0. Zschalich,A – Schroeter,G, corr DDR–ch M900, 1989(?).

9.Qb3 Bf7 10.Ba3 Ba3 11.Ra3 0–0 12.Nh3 Nd7 13.Be2 a6 14.bc6 bc6 15.0–0 Qa5 (15...c5 16.Rc1=) ½–½. Dziel,Jaromir – Hrtko,Vladimir, corr ICCF EU/M/GT/419, 1996.

9.c5 Bc7 10.Ne2 0–0 11.Nc3 f5 12.g3 Nd7 13.h4 Nf6 14.Bh3 Qd7 15.Qe2 Bf7 16.Qf1 h6 17.0–0–0? Ba5 18.Rg1 Rfc8 (18...Bh5 19.Re1–/+) ½–½. Hollstein,Gerhard – Hoegerl,Felix, PF–op Mehlingen, 1992.

9.Ne2 cb5 10.c5 Bc7 11.ab5 =.

9.Ne2 Nd7 10.Nc3 f5 11.Qb3 0–0 12.Be2 Nf6 13.g3 Qd7 14.Ba3 Bf7 15.Bd6= Qd6 16.Qa3 Qa3 17.Ra3 Bh5 18.Bh5+= Nh5 19.Ke2 Nf6 20.bc6 bc6 21.Rb1 Rfc8 22.Rb7+= Kf8 23.Rab3 c5 24.dc5 dc4= 25.Nc4 Rc5 26.Nd6 Rd8 27.Rb8 Nc6 28.Rd8 Nd8 29.Rb8 Rc3 30.Rd8 Ke7 31.Rc8 Ra3 32.Nf5 Kd7 33.Rc4 Ra2 34.Kf1+/– Ng4 35.Re4 Nf2 36.Rd4 Ke6+/– 37.Ng7 Ke5 38.Nf5 Ne4 39.Nh4 Ng5 40.Rf4 Ne4 41.Rf7 Ke6 42.Ra7+– Rh2 43.Rh7 Ng3+/– 44.Kg1 Ra2 45.Ra7 Ne2 46.Kf2 Nc3 47.Kf3 Ra4 48.Ra4 Na4 49.Ke4 ½–½. Mueller,Klaus – Essegern,Kurt, corr DDR–M, 1970.

9.Ne2 f5 10.c5= Bc7 11.Ng3 0–0=+ 12.Be2 f4 13.ef4 Bf4 14.0–0 Nf5 15.Nf5 Bf5=+ 16.Re1 Qg5 17.Nf1= Bh3 18.Ng3 e3 19.Bf3 ef2–/+ 20.Kf2 Bg4 21.Ra3 a6 22.b6 Nd7 23.Kg1 Bg3 24.hg3 Bf3 25.Rf3 Rf3 26.Qf3 Nf6 27.Re7 Rf8 28.Qf4 Qg6 29.Rb7= Nh5 30.Qd6?? Qb1–/+ 31.Kh2 Nf6?? 32.Qe6+= Kh8 33.Rc7?? Qg6?? 34.Rc8= Qh5 35.Kg1 Qd1 36.Kh2 Qh5 37.Kg1 Qd1 38.Kh2 Qh5 ½–½. Plock,Joerg – Krasny,Henryk Jan, corr or01–003 E–mail, 2001.

9.Qb3 f5

10.f3 Nd7 11.c5= Bc7 12.fe4 fe4 13.Ne4 Nf5 14.Nf3+= Qe7 15.Neg5 h6 16.Ne6 Qe6 17.Kf2 Nf6 18.Re1 Ba5 19.Re2 0–0 20.Kg1= Rae8 21.Ne5 Ne4=+ 22.Qd3 Nh4 23.Rc2 Be1 24.h3? Ng3 25.Kh2 Qf6 26.Be2 Nh1 27.Kh1 Bg3 28.Nf3 Nf5 29.Bc1 Bf2–+ 30.Ne5?? Re5 31.Bf3 Re3 (31...Re3 32.Be3 Be3 (32...Ne3?! 33.Rf2 Nf5 34.Rd2=+) 33.bc6 Ng3 34.Kh2 Qf4 35.Qe3 Nf1 36.Kg1 Ne3–+) 0–1. Buczinski,Henryk – Swedziol,Ludwik, corr Poland, 1988.

10.f4 ef3 11.Ngf3 0–0 12.Bd3 Ng6 13.0–0 Nd7 14.Rae1 Nf6 15.Ng5. W Labahn.

10.Nh3 Ng6 11.g3 0–0 12.Ba3 Be7 13.Be2 Nd7 14.Be7 Qe7 15.c5 Rfb8 16.a5 Nf6 17.0–0 f4 18.Nf4+= Nf4 19.ef4 Ng4 20.h3 Nf6 21.g4 g6 22.Rab1 Nd7 23.bc6 bc6 24.Qe3 Qe8 25.a6 Rb1 26.Rb1 Rb8 27.Rb8 Nb8 28.Qb3 Qc8 29.Kg2 Kf7 30.f3 Na6 31.fe4 de4 32.Ne4 Bb3+/– 33.Nd6 Ke6 34.Nc8 Nb4 35.Na7 Kd5 36.Bf3 Kd4 37.Nc6 Nc6 38.Bc6 Kc5 39.Be4 Kd6 40.Kf3+– Ke7 41.g5 Kf8 42.Ke3 Kg7 43.Kd4 Be6 44.h4 Bg4 45.Ke5 Bh5 46.Kd4?? Bg4 47.Ke3 Be6 48.Bf3 Bf7 49.Bg4 Be8 50.Kd4 Bf7 ½–½. Kreuzer – Roehrl, 1981.

10.Nh3 0–0

11.Ba3 Ng6 12.c5 Bc7 13.b6 ab6 14.cb6 Bd6. W Labahn.

11.Nf4 Bf7 12.g3 g5 13.Nh3= h6 14.Be2 Nd7 15.0–0 Be6 16.Kg2 Rc8 17.Rfc1 Ng6 18.cd5 cd5 19.Rc8 Qc8 20.Rc1 Qe8 ½–½. Jefimow,Bronislaw – Jankowicz,Robert, corr Poland, 1969.

11.Ng5 Bc8 12.f4 ef3 13.Ngf3 f4! W Labahn.

11.Ba3 Ba3

12.Qa3 Ng6 13.Ng5?? Qg5–+ 14.Qd6 Qe7 15.Qg3 f4 16.Qg6 hg6 17.Be2 Qg5 18.g3 fe3 19.fe3 Qe3 20.0–0–0 Qe2 (20...Qe2 21.bc6 e3 22.cb7 Nc6 23.ba8R Ra8–+) 0–1. Fiedler,R – Labahn,Wolfgang, corr SOK–90–60, 1990.

12.Ra3 Nd7 13.Nf4 (13.Ng5 Bf7 14.Be2 h6 15.Nf7 Rf7) 13...Bf7 14.h4 Ng6 15.Ng6 hg6. W Labahn.

12.Ra3 Ng6? 13.bc6 (13.g3 f4) 13...bc6 (13...Nc6 14.Qb7 Na5) 14.Qb7 f4 15.Qa8 fe3 16.fe3 Qh4 17.Kd1 Bh3 18.gh3. W Labahn.

12.Ra3 h6 13.f4 ef3 14.Nf3 g5 15.Ne5 f4 16.ef4 Bh3 17.Qh3 Rf4. W Labahn.

9.Ne2 0–0

10.Ba3 Ba3 11.Nf4 Qd6 12.Ne6 Qe6 13.Ra3 Nd7 =.

10.Nc3 Nd7 11.Qb3 f5 12.g3 Nf6 13.Ba3 g5 14.Bd6= Qd6 15.c5 Qd7 16.h4 f4 17.ef4 gf4 18.Ne2 Nh5 19.Nf4 Nf4 20.gf4 Rf4 21.Qg3 Rg4 22.Qc3 Rf8 23.Rh2 Nf5 24.h5 Qc7 25.Rh1? e3!–+ 26.fe3 Qg3 27.Ke2 Nd4! 28.Kd1 Rgf4 29.Bd3 Bf5 30.ef4? Bg4–+ 31.Kc1 Ne2 32.Kc2 Nc3 33.Rag1 Qf4 34.Rh4 Qa4 35.Kc3 d4 36.Kb2 Qb4 37.Nb3 Rf2 38.Bc2 Rc2! 39.Kc2 Qc3 40.Kb1 Qb3 41.Ka1 Qa4 42.Kb2 Qb5 43.Ka2 Qc4 44.Kb2 Qc3 45.Kb1 d3 46.Rhg4 Kf7 (46...Kf7 47.Rf4 Ke6–+) 0–1. Franke,R – Arzumanjan,ST, corr ICCF EU/M/GT/238 (year?).

10.Nc3 f5 11.Qb3 Nd7 =.

10.Nc3 f5 11.g3 dc4 12.Ba3 =+.

10.Nc3 f5 11.g3 Nd7 12.Ba3 Bc7 13.a5 Nf6 14.a6= b6 15.bc6+= Re8 16.Qa4 g5 17.h4 gh4 18.Be7 Re7 19.Rh4 Rg7 20.Rh6 Bf7 21.Bh3 Nh5? 22.Nd5+– Bg3 23.fg3 Qg5 24.Bf5 Qh6+/– 25.Be4 Ng3 26.Bf3 Bd5 27.Bd5 Kh8 28.Qa3 Re8 29.0–0–0 Rc7 30.Re1+= Nf5 31.Be4 Ng3= 32.Bd5 Nf5 33.Be4 Ng3= 34.Bd5 ½–½. Jentsch – Potratz, corr DDR, 1990.

10.Nc3 f5 11.g3 Nd7 12.Qb3 Rc8 13.Ba3 Nf6 14.Bd6= Qd6 15.c5 Qd7 16.a5 Bf7 17.h4 Bh5 18.Be2 Be2=+ 19.Ke2 Rb8 20.Rhb1 Qe8 21.bc6 bc6 22.Qb8= Qb8 23.Rb8 Rb8 24.Rb1 Rb1 25.Ndb1 Kf7 26.a6 Nd7 27.Na2 Nb8 28.Nb4 Ng8 29.Nd2 Nf6 30.Nb3 Ke7 31.Na5 Kd7 32.Nb7 Ne8 33.f3 Nc7=+ 34.Nd6 g6 35.Nf7 Nca6 36.Na6 Na6 37.Ng5 h5 38.fe4 de4 39.Nf7 Ke6 40.Ne5 Nb4 41.Ng6= Kd5 42.Ne5 a5= 43.Kd2 a4 44.Kc3 a3 45.Ng6 Ke6 46.Nf4 Kf7 47.Nh5 Nd5 48.Kb3 Ne3 49.Nf4 Nd5 50.Ne2 Kg6 51.Ka3 Kh5 52.Kb2 Kg4 53.Kc1 f4 54.gf4 Kh4 55.Kd2 Kg4 56.Ke1 Kf3 57.Kf1 Ne7 58.Ke1 Ke3 59.Kf1 Kd2 60.Kf2 e3 61.Kf3 Kd3 62.Ng3? Kd4?? 63.f5 Nd5 64.Nf1 Kd3 65.Ne3 Ne3 66.f6 Nc4 67.Kf4 Kd4 68.f7 Ne5 69.f8N ½–½. Franke,R – Glasner,R, corr ICCF EU/M/GT/238 (year?).

8.c4 f5

9.Ba3 Ba3 10.Ra3 Qe7 11.Qb3 =.

9.Ba3 Nf6 10.Bd6= Qd6 11.c5 Qc7 12.Nh3 0–0 13.Be2 Nbd7 14.0–0 Ng4 15.Bg4 fg4 16.Nf4 Bf5 17.Qb3 Nf6 18.a5 a6 19.bc6 bc6 20.Rfb1 Rfb8 21.Qa3 Rb5 Attacking the isolated pawn on a5 22.Nf1 (22.Rb5!? ab5 23.Nf1=) 22...Rab8+= 23.Qa2 Rb1 (23...Kf7 24.Rb5 Rb5 25.Nd2+=) 24.Rb1= Rb1 25.Qb1 Qa5 26.Qb8 Kf7 27.Qb7 Bd7 28.Nh5 Qd8 29.Nf6 ½–½. Wantoch_Rekowski,Jacek (2320) – Acedanski,Jan (2375), Champions League, 2007.

9.a5 f4 10.c5 fe3=+ 11.cd6 ed2 12.Qd2 Qd6 13.Ba3 Qd7 14.Qb4 Qe7 15.Rb1 Qb4 16.Rb4 b6 17.Ra4–/+ ba5 18.Ra5 Ne7 19.Bc5 Nd7 20.Ra7–/+ Ra7 21.Ba7 0–0 22.Bc5? Nc5–+ 23.dc5 cb5 24.Bb5 Rb8 25.Ba4 Rb1 26.Bd1 d4 27.Ne2–/+ Bb3 28.Kd2 e3! 29.fe3 de3 30.Ke3 Rd1 31.Rd1 Bd1 32.Nd4 Ba4 33.Ke4 Kf7 34.Ke5 Nc6 35.Nc6 Bc6 (35...Bc6 36.g4 Ke7–+) 0–1. Nielsen,Joergen Axel – Sendjilov,ES, corr ICCF EU–GT–42, 1969.

9.c5 Bc7 10.Ne2 Nf6 11.Nc3 (11.g3 0–0=) 11...f4+= 12.Be2? (better is 12.ef4 Bf4 13.g3+=) 12...fe3–+ 13.fe3 Ng4 14.Nf1 Qh4 15.g3 Qh3 16.Bg4? (better is 16.Qb3 0–0 17.bc6 bc6 18.Qb7–+) 16...Bg4 (16...Qg4?! 17.Qg4 Bg4 18.a5–/+) 17.Qd2 0–0 18.Nd1 Rf7 (18...Nd7 19.Rg1 Qh6 20.Nf2–+) 19.Rg1 Na6 (19...Qh6 20.Nf2 Bf3 21.h4–+) 20.Bc3 (20.ba6 Raf8 21.Qg2 Ba5 22.Bc3 Qg2 23.Rg2 Bc3 24.Nc3 Rf1 25.Kd2 Ra1 26.ab7–+) 20...Raf8 (20...Raf8 21.Nf2 Rf2 22.Qf2 Rf2 23.Kf2 Nb8–+) 0–1. phildo (1905) – marekt (2145), gameknot.com, 2014.

9.Nh3 Nf6

10.Ba3 0–0 11.Bd6 Qd6 12.c5 Qe7 13.Be2 h6 14.0–0 g5 15.Kh1 Nbd7 16.bc6 bc6 17.Rb1 Rab8 18.Qc2 f4 19.ef4 Bh3 20.gh3 gf4=+ 21.f3 Rb1–/+ 22.Rb1 Rb8 23.Rg1 Kh8=+ 24.fe4 Ne4 25.Rg6? Ndf6?? 26.Nf3= Nf2 27.Kg2 N6e4? 28.Ne5 Qh4 29.Rh6! (29.Rh6 Qh6 30.Nf7 Kg7 31.Nh6 Kh6 32.h4+/–) 1–0. Kwiek,Janusz – Mostowik, corr 1AMM Poland, 1991.

10.Ba3 Ba3 11.Ra3 0–0 (11...dc4 12.Nf4 Bd5 13.Bc4 Bc4 14.Nc4+=) 12.c5 a6 13.b6 Nbd7 14.Nf4 Bf7 15.h4 (15.Be2 Ne8+=) 15...Re8 16.Be2 Nf8 17.Nf1 (17.h5 Qe7+=) 17...Ne6= 18.Ng3 Nf4 19.ef4 Be6 20.h5 h6 (20...Qe7 21.h6 g6 22.Kf1=) 21.Kf1 a5 22.Kg1 Nd7 23.Qd2 Qf6 24.Re3 Nf8 25.Bf1 Bf7 26.Re1 Ne6 27.Ne2 Kh8 28.Qe3 Kg8 29.Rh3 Qd8 30.Rd1 Qb8 31.Rh1 Rf8 32.Rd2 Kh7 33.Rd1 Kg8 34.Qg3 Qe8 35.Qh3 Qd7 36.Re1 Kh8 ½–½. Wantoch_Rekowski,Jacek (2245) – Mitrescu,Mircea, 3rd Webchess Open Tournament prel., 2008.

10.Ba3 Bc7 11.Ng5 Bg8 12.Rb1 =.

10.Qb3 Nbd7 11.Ng5 Qe7? 12.c5+– Bc7 13.bc6 Nf8 14.Ne6 Ne6 15.cb7 Rb8 16.Bb5 Kf7 17.Ba3 Rhd8 18.Rc1 Ng4 19.c6 Qf6 20.g3 f4 21.ef4?? Nd4 22.Qd1+– Qe6 23.Bc5 e3 24.Bd4 ed2 25.Kd2 Qe4 26.Kc3 (26.Kc3 a6 27.Bd3+– (27.Qg4 Ba5 28.Kb3 Qd4 29.Qf5 Kg8+/–); 26.Qg4?! Qd4 27.Kc2 a6+–) 1–0. Suess,Stefan – Weisker, corr, 1985.

10.c5 Bc7 11.Rb1 0–0 12.Nf4 Bf4 13.ef4 Qc7 14.Qb3 Qf4 15.bc6 Nc6 16.g3 Qc7 17.Bc3 Rab8 18.Be2 b6 19.Bb5 bc5 20.dc5 a6! 21.f3 Na7 22.Bf6 Rf6 23.fe4 fe4 24.Ba6 Rb3 25.Nb3 d4! 26.Bf1 Bb3 27.Rb3 Qa5 28.Ke2 d3 29.Ke3 Qe1 (30.Kd4 Nc6 31.Kd5 d2 32.Rb8 Nb8 33.c6 d1Q 34.Kc4 Rc6 35.Kb5 Qb3#) 0–1. Rival – MacChess 5.0, 2000.

10.c5 Bc7 11.Nf4 Bf7 12.Be2= Nbd7 13.h4 Nf8 14.g4 Ng6 15.Ng6= hg6 16.g5 Nh7 17.Rg1 Nf8 18.f4 Rh4 19.Qb3 Qd7 20.0–0–0 Ne6 21.Rh1= Rh1 22.Rh1 0–0–0? 23.Bc3?? Rg8 24.Kc2 (24.Kc2 Nc5 25.bc6 bc6 26.dc5=+; 24.bc6 bc6 25.Ba6 Kd8=). Orlik,Adam – Bieganowski,Roman, corr Poland, 1989.

10.Qb3 0–0

11.Ba3 Qe7 12.Bd6 Qd6 13.c5 Qc7 14.Nf4 Bf7 15.h4 Nbd7 16.Be2 h6 17.h5 Kh7 18.0–0+= b6 19.cb6 ab6 20.bc6 Qc6 21.Rfc1 Qd6 22.Ra2 Rfc8+= 23.Rac2 Rc2= 24.Rc2 Nf8 25.Nf1 Ne6 26.Ne6 Qe6 27.Ng3 Be8 28.Bb5 Ra5 29.Be8 Qe8=+ 30.Qb6 Ra4 31.Qc7 Ra1–/+ 32.Rc1 Rc1 33.Qc1 f4 34.ef4= Nh5 35.Nh5 Qh5 36.Qc5 ½–½. Muri,Heinrich – Graeser,K, corr ICCF EU/M/Gr/814 (year?).

11.Ba3 Ba3

12.Qa3 Qa5 13.Qe7 Bd7 14.Nf4 cb5 15.cb5 a6 16.Rb1 ab5 17.Bb5 Re8 18.Qd6 Bc6 19.Ne6+= Bb5 20.Rb5 Qa4 21.Nc7 Na6 22.Ne8 Qb5 23.Qe6 Kf8 24.Nf6+= gf6 25.Qf6 Kg8 26.Qg5 Kh8 27.Qf5 Nb4 28.Qe5 Kg8 29.Qg5 Kh8 30.Qe5 Kg8 31.Qe6 Kh8 32.Qe5 ½–½. marere (2180) – Teaser3001 (2175), Rated game, 5m + 0s, 2010.

12.Qa3 a6 13.ba6 Na6 14.Nf4 Bf7 15.c5 Nc7 16.Rb1 Ra7 17.g3 Qe7 18.Rb4 g5 19.Ng2 Bh5 20.Qb2 Ne6 21.Qb3 Bf3 22.h4 Nd7 23.Rg1 Nec5 24.dc5 Nc5 25.Qa3 Rfa8 26.hg5 Ra4 27.Ra4 Ra4 28.Qb2 Qd8 29.g6 h5 30.Qe5 d4 31.Qc5 Ra1 32.Nb1 Rb1 33.Kd2 Rd1 34.Kc2 d3 (34...d3 35.Kb2 Qf6 36.Qd4 Qd4 37.ed4 Bg2–+) 0–1. Muri,Heinrich (2340) – Elent,Michael (2240), corr ICCF EM/MN/066 Email, 2003.

12.Qa3 a6 13.Qb2 Nbd7 14.Ng5 Bf7 15.Nf7 Kf7 16.ba6 ba6 17.c5 Qc7 18.Be2 Rfb8 19.Qc3 a5 20.0–0 Rb4 21.Rfb1 Rab8 22.Rb4 Rb4 23.Bd1 Qb7 24.Ra3 Nb8 25.Rb3 Nfd7 26.Rb4 ab4 27.Qb3+/– Na6 28.Be2 Ndb8 29.Ba6 Na6= 30.Qd1 g6 31.Nb3 Qa7 32.Qd2 Qc7 33.Qe2 Qa7 34.Qd2 (34.a5 Kg8+=) ½–½. hal1958 – yorugua, playchess.de, 2002.

12.Qa3 Nh5 13.Be2+= Qh4 14.Qd6 Re8 15.Rb1 dc4+= 16.bc6 Nc6 17.Rb7 c3 18.Qc6 Rac8 19.Rc7 cd2 20.Kd2 Nf6 21.Rb1 Bd7 22.Qc4 Be6 23.Qc5 Nd5 24.Rc8 Rc8 25.Qd6 Qf6 26.Ng5 Nc7 27.Ne6 Qe6 28.Qe6 Ne6 29.Rb7 Rc7 30.Rc7 Nc7 31.Kc3 Kf7 32.Kc4 Ke7 33.Kc5 Ne8 34.Kb5 Nd6 35.Ka6 f4 36.Ka7 fe3 37.fe3 Nf5 38.a5 Ne3 39.a6 Kd6 40.Kb7 Nd5 41.a7 Nc7 42.h4 g6 43.Bg4 e3 44.h5 gh5 45.Bh5 Kd7 46.g3 Kd6 47.Bg4 h6 48.d5! h5 49.Bh5 Kd7 50.Be2 (50.Be2 Kd6 51.g4+–) 1–0. Muri,Heinrich – Voltolini,L, corr ICCF EU–M–952, 1993.

12.Qa3 h6 13.c5 g5 14.Qb4 Qd7 15.Qc3 Kh8 16.Nb3 Qc8 17.Rc1 Nh7 18.Nd2 Kg8 19.Be2 f4 20.Ng1 Nd7 21.h4 Rf7 (better is 21...g4!?=) 22.hg5+/– hg5 23.Bh5 Rg7 24.Be2 Ndf6 (24...Rf7 25.Nh3 Ndf6+/–) 25.Qb3 Qc7 26.Rc3 Rf8 27.Nh3 Bh3 28.Rh3 g4 29.Rh1 f3 30.gf3 ef3 31.b6 ab6 32.cb6 Qd6 33.Bd3 Ng5 34.Nf1 Nfe4 35.Qa3 Qf6 36.Rc1 g3 37.Ng3 Ng3 38.fg3 f2 39.Kd2 Nf3 40.Kc2 0–1. Vitols,Karlis (2230) – Timko,Viktor, ICCF corr Rozinov Memorial, 1998.

12.Ng5 dc4 13.Qa3 Bd5 14.bc6 Nc6 15.Nc4 h6 16.Nh3 Qd7 17.Rd1 Rfb8 18.Be2 Ne7 19.Ne5 Qd8 20.0–0 g5 21.Rd2 b6 22.Rfd1 Nc6 23.Ba6 Ne5?? 24.de5+– b5 25.ab5 f4 26.ef6 Qf6 27.Rd5 fe3 28.Qe3 1–0. MacChess 5.0 – Rival, 2000.

7.a4 f5

8.c4 Bb4 9.c5 Ne7 10.h4 0–0=+ 11.Nh3 b6 12.Nf4 Bf7 13.Qb3 bc5 14.dc5 Qa5 15.Qc2 Nd7 16.Bd4 Rfc8 17.bc6 Nc5 18.Bc5 Bc5 19.Ba6 Rc7 20.Bb7 Rb8 21.0–0 d4 22.Nb3–/+ Bb3 23.Qb3 Kh8 24.ed4 Bd4 25.Rad1 Nc6 26.Qe6 Rcb7 27.Qc6 Rb4 28.Ne6 Bf6 29.Nc5 Rc4 30.Rd5 Be7 31.Nd7 Rc6 32.Ra5 Rb7 33.Ne5 Rc5 34.Rc5–/+ Bc5 35.Rc1 Rc7 36.Rd1 g6 37.Nd7 Be7 38.g3 Kg7 39.Ne5 Kf6 40.f4 Ke6 41.Rd2 Bd6 42.h5 Be5 43.fe5 Ke5 44.hg6 hg6 45.Rd8 Rc4 (45...Rc4 46.a5 Ra4–+) 0–1. Dobielecki,J – Matlak,J, corr Poland, 1989.

8.Nh3 Bd6 9.Be2 Qh4 10.Ba3 Bc7 11.c4 Ne7 12.Qb3 0–0 13.cd5 cd5 14.Rc1 Rc8 15.Nf4 Bf4=+ 16.Rc8 Nc8 17.g3 Bg3 18.fg3 Qg5 19.0–0 Nd7 20.Rc1 Qd8 21.Qb4 h6 22.a5 Nf6 23.Nb3 Kf7 24.Qc5 Rb8 25.Qc7 Qc7 26.Rc7 Bd7 27.Nc5+/– Ke8 28.Rb7 Rb7+= 29.Nb7 g6 30.Nd6 Kd8 31.Nf7 Kc7 32.Nh6 Be6 33.Kf2 Ne8 34.g4 Ned6 35.gf5+– gf5 36.Kg3 Bd7 37.b6 ab6+= 38.ab6 Nb6 39.Kf4 Nbc4 40.Bd6 Kd6 41.Nf7 Ke6 42.Ne5 Bb5 43.h4 Kf6 44.h5+/– Kg7 45.Nc4 dc4? 46.d5?? c3?? 47.Bd1 Be2?? 48.Bc2 Bh5= 49.Kf5 Kf7 50.d6 Ke8? 51.Ba4 Kd8 52.Ke5 Be8= 53.Bc2 Bc6 54.Kd4 Kd7 55.Kc3 Kd6 56.Kd4 Bb7 57.Be4 Be4 58.Ke4 Ke6 59.Kd4 Kd6 60.e4 Ke6 61.e5 Ke7 62.Kd5 Kd7 63.Ke4 Ke6 64.Kf4 Ke7 65.Kf5 Kf7 66.e6 Ke7 67.Ke5 Ke8 68.Kd5 Ke7 69.Ke5 Ke8 70.Kf6 Kf8 71.e7 Ke8 72.Ke6 ½–½. Melich,Jindrich (2190) – Haba,Zdenek (2275), CZE–chT1b Czechia, 1995.

7.bc6 Nc6

8.c4 dc4 9.Bc3 Nge7 10.Bc4 Bc4 11.Nc4 Nd5 12.Ne2 Rc8 13.Nd2 f5 14.0–0 Nc3 15.Nc3= Bb4 16.Qb3 Bc3 17.Qc3 0–0 18.Qb3 Rf7 19.Rac1 Rcc7 20.f3 g6 21.fe4 Nd4–/+ 22.ed4 Qd4 23.Kh1 Rc1 24.Rc1 Qd2 25.Rd1 Qf4 26.ef5 Qf5 27.Rd8 Kg7–/+ 28.h3 Qf1 29.Kh2 Qf4 30.Qg3 Qg3 31.Kg3 Kf6 32.Ra8 b6 33.Kf4 g5 34.Kg4 Kg6 35.Rg8 Kh6 36.Rc8 Rf4–/+ 37.Kg3 Ra4 38.Rc2 Kg6 39.Kf3 Ra3 40.Ke4 g4 41.hg4 Kg5 42.Rd2 Kg4 43.Ke5 h5 44.Re2 Kg3 45.Kf5 h4–+ 46.Kg5 Ra5 47.Kf6 Rc5 48.Rd2 a5 49.Rb2 b5 50.Rd2 b4 51.Re2 a4 52.Rb2 Rb5 53.Ke6 a3 54.Rd2 Ra5 55.Rd3 Kg2 56.Rd2 Kf3 57.Rd3 Ke4 58.Rh3 Rh5 59.Kf6 b3! 60.ab3 a2 61.Rh1 h3 62.Kg6 Ra5 63.Ra1 h2 64.b4 Rb5 65.Re1 Kf3 (65...Kf3 66.Rc1 Rb4–+) 0–1. Rosner,Dirk – Svensson,Jan, corr TKM–A010, 2000.

8.Ne2 Bd6 =.

7.Ne2 Bd6

8.c4 Ne7 9.Nc3 0–0 10.Rb1 f5 11.Qb3 Rf6 12.Ba3 Ba3 13.Qa3 f4 14.ef4 Rf4 15.bc6 bc6 16.Nb3 Nd7 17.Na5 Rc8 18.cd5 Nd5=+ 19.Bc4 Qg5 20.g3 Rf3 21.Qd6 Nc3 22.Qd7 Rcf8 23.Qe6 Kh8–+ 24.0–0 Nb1 25.Nb3 Rf2 26.Qe4 Rf1 27.Bf1 Nc3 (27...Nc3 28.Qe5 Qe5 29.de5 Na2–+) 0–1. Van Rooijen,Peter – Machin,Eric, a1–h8 Winners Tournament, 2001.

8.c4 f5 9.Rb1 Nf6 10.Nc3 0–0 11.bc6 Nc6 12.cd5 Nd5 13.Bc4 Bb4 14.Bd5 Bd5=+ 15.Nd5 Qd5 16.a3 Bd2 17.Qd2 Na5 18.Ba1 Nc4 19.Qb4 f4 20.Qc5 Qf7 21.ef4=+ Rac8 22.Qb4 Qf4 23.0–0 Nd2 24.Qb2 e3 25.f3 e2 26.Rfe1 Nf3 27.gf3 Qe3 28.Kh1 Qf3 29.Kg1 Qg4 30.Kh1 Qe4 31.Kg1 Rc6 (31...Rc6 32.Qb3 Kh8–+) 0–1. Cetwinski,Olgierd (2210) – Szczepankiewicz,Dariusz (2235), corr Poland–ch13T, 1999.

8.Nf4 Bf4 9.ef4 Nh6 10.Qh5= Nf7 11.a4 g6 12.Qh4 0–0 13.Be2 Nd6 14.Qg3 Nf5 15.Qc3= Qc7 16.Nb3 Nd7 17.bc6 bc6 18.Ba3 Rfe8 19.Qd2 e3 20.fe3 ½–½. Santa Cruz,Nestor – Sicker,Rolf, corr ICCF TT–04–0019 A, 2004.

6.Nd2 Bd6

7.c4 Bb4 8.Ne2 c6 9.bc6 bc6 10.cd5 Bd5 11.Bc3 Bd6 12.Ng3 Bg3 13.hg3 Nh6 14.Qb1 Qe7 15.Bb4 Qe6 16.Bc5 Nd7 17.Qb7 Kf7 18.Ba6 Kg6 19.Rc1 Rab8 20.Qc7 Nc5+= 21.Rc5 Nf5 22.Be2 h5?? 23.Qb8!? Rb8 24.Bh5 Kh6?? 25.Bf7+– (25.Bf7 Kg5 26.Be6 Be6 27.Ne4 Kg6 28.Nc3+–) 1–0. Meininger,K – Hartmann,Wolfram, 1992.

7.c4 Ne7 8.c5 0–0 9.cd6 cd6 10.Rc1 Qa5 11.a4 Nd7 12.Ba3 Nb6 13.Bd6 Rfe8 14.Ne2 Nf5 15.Bc5 Nc4 16.Nc3 b6 17.Nc4 dc4 18.Ba3 a6 19.d5 Bd7 20.Bc4 ab5 21.Bb5 Bb5 22.ab5 Qa3 23.0–0 Qd6 24.Qc2 Qe5 25.Na4 Rab8 26.Qc6 Nh6 27.Nb6 Ng4 28.g3 h5 29.Nd7 Qe7 30.Nb8 Rb8 31.Qe6 Qe6 32.de6 Re8 33.b6 Kf8 34.b7 Ke7 35.Rc8 1–0. popovicigelu – kristof1990, internet, 2013.

7.Ne2 c6 8.bc6 bc6 9.Rb1 Ne7 10.c4 0–0 11.Qc1 f5 12.Qc3 Ng6 13.Ba3 f4 14.Nf4 Nf4 15.ef4 Ba3 16.Qa3 Rf4 17.Qe3 Rf6 18.a3 Nd7 19.Be2 Qc7 20.h3 Nf8 21.cd5 cd5 22.Rb5 Ng6=+ 23.0–0 Nf4 24.Rfb1 Rg6–/+ 25.g4 h5 26.Rb7 Qd6 27.Nf1 hg4–+ 28.h4 Rf8 29.Ra7 g3 30.fg3 Ne2 31.Qe2 Rf1! 32.Kf1 Qg3 (32...Qg3 33.Ra8 Kh7 34.Qh5 Rh6 35.Qh6 gh6 36.Ra7 Kg6–+) 0–1. Cetwinski,Olgierd (2210) – Marcinkiewicz,Jan (2360), corr Poland–ch13T, 1999.

7.Ne2 Nh6 8.c4 c6 9.Nc3 0–0 10.Qb3+= Be7 11.cd5+/– cd5 12.Nde4! Bf7 13.Nd2 f5 14.g3 Ng4 15.Bg2 Nf6 16.Nf3 Kh8 17.Ne5 Bg8 18.0–0 Ne4 19.Rfd1 Nd7 20.Nd7 Qd7 21.a4 Rac8 22.Rac1 g5 23.Ba3 g4 24.Be7+– Qe7 25.Ne2 Qd6 26.Nf4 Rc4 27.Be4 fe4+/– 28.Rc4 dc4 29.Qc2 Bd5 30.Qe2 Rg8 31.Nd5+– Qd5 32.Rc1 Rc8 33.Qg4 Rc7 34.Qf4 Rf7 35.Qb8 Kg7 36.Qa7 c3 37.Qc5 Qa2 38.Qe5 Kg8 39.Qg5 Kf8 40.Qd8 Kg7 41.Qg5?? Kf8= ½–½. Melich,Jindrich (2075) – Rajnys,Vladimir (1985), CZE Czechia–ch, 1993.

7.c4 dc4

8.Qc2 Ne7 9.Qe4 Qd7 10.Nc4 Bb4 11.Nd2 0–0? 12.Qc2 c6+= 13.bc6 Nbc6 14.Ngf3 Rac8 15.Qd1 Nd5 16.Be2 Bc3 17.Qb1 Ncb4 18.Bc3= Rc3 19.Bd1 Rc1–/+ 20.Qc1 Nd3 21.Kf1 Nc1 22.Rc1 Qb5 23.Ke1 Nb4–/+ 24.Be2 Qa5 25.Bc4 Bc4–+ 26.Rc4 Na2 (26...Na2 27.Kf1 b5–+) 0–1. Kasper,P – Klausner,H, corr DDR (M/806), 1989.

8.Ne4 Ne7 9.Ne2 0–0 10.N2c3+= f5 11.Ng5+– Qd7 12.Qa4 h6?? 13.Ne6 Qe6 14.Bc4 (14.Bc4 Qf7 15.Bf7 Rf7 16.0–0+–; 14.Qc4?! Qf7+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Ne4 f5 9.Nd6 Qd6 10.d5 Qb4 (10...Bd5 11.Bg7) 11.Qd2 Qd2 12.Kd2 Nf6? (12...c3 13.Bc3 Bd5 14.Bg7 a6+–).

8.Ne4 Bb4

9.Bc3 a5. Husslein.

9.Bc3 Bc3?! 10.Nc3 a6 11.Qa4!? Husslein.

9.Bc3 Bc3 10.Nc3 a6 11.d5+/– Bd7 12.Bc4 ab5 13.Nb5 Ne7 14.d6+– Bb5 15.Qh5 Ng6 16.Qb5 Nd7 17.dc7 Qc7 18.Nf3 (18.Nf3 Ra5 19.Qb3+/–) 1–0. Husslein – Lohr, corr SOK–88–18, 1988.

9.Bc3 Bc3 10.Nc3 c6 11.Qa4 cb5 12.Qb5+– Qd7 13.Bc4 Bc4+/– 14.Qc4 Nc6 15.Nge2 Rc8 16.Qb5 a6 17.Qh5+– g6 18.Qd5 Qe7 19.0–0+– Rd8 20.Qb3 Qd7 21.Ne4 Na5 22.Qg8! Rg8 23.Nf6 Kf7 24.Nd7 Rd7 25.Rfc1 Nc6 26.Rab1 Rf8 27.Rb6 Kg7 28.Nf4 Re7? 29.Nd3 Rf5 30.Nc5 Nd8 31.Rcb1 Ref7 32.Nb7 Nb7 33.Rb7 Rf2 34.Rf7 Rf7 35.Rb6 Ra7 36.a4 Kh6 37.Kf2 Kg5 38.Kf3 h5 39.e4 Rf7 40.Ke3 Ra7 41.h4 Kh6 42.e5 Kg7 43.d5 Kf7 44.Ke4 (44.Ke4 Rc7 45.e6 Kf6 46.e7 Kf7 47.d6+–) 1–0. Kreuzer – Paulsen, tt Verb'Liga, 1982.

7.c4 c6

8.a4 (--> 6.Nd2 c6 7.a4 Bd6 8.c4).

8.Qa4 cb5 9.cb5 Nd7= 10.Rc1 Nb6 11.Qb3= f5 12.Nh3 g5 13.g3 h6 14.a4 Rc8 15.Rc8 Nc8 16.Ba3 Nf6 17.Bd6 Nd6 18.Qc3 Qd7 19.f4 ef3–/+ 20.Nf3 Nfe4 21.Qb3? Qc8 22.Nf2 Qc1–+ 23.Nd1 g4 24.Be2 gf3 25.Bf3 Qd2 26.Kf1 f4! 27.g4 h5 28.ef4 hg4 29.Be4 Ne4 30.b6 0–0 (30...0–0 31.Qe3 Rf4 32.Kg1 Qd1 33.Kg2 Qc2 34.Kg1 Ng5 35.h3 gh3 36.Qe6 Ne6 37.Rh3 Qd1 38.Kg2 Qe2 39.Kg3 Rg4#) 0–1. Wunden,W – Seidel,Dirk, NRW–ch U15 Brilon, 1993.

8.Qb3 dc4!? 9.Bc4 Bc4 10.Nc4 Ne7 +=.

8.Qb3+= Qd7 9.c5 Bc7= 10.Ba3 Ba5 11.Rb1 Nh6 12.bc6+= bc6 13.Bb4 Bb4 14.Qb4 0–0 15.Ne2 Qc7 16.Nf4 Bg4 17.h3 Bc8 18.Be2+/– Re8 19.Qb3 Nf7 20.0–0 f5 21.Rfc1 Re7 22.a3 Nd7 23.Qa4 Rb8 24.Rb4 Rb4 25.ab4 Nf6 26.b5 cb5 27.Qb5 Nd8 28.Qb3 Bb7 29.Ra1 g5 30.Nh5 Nh5 31.Bh5 a6 32.Be2 Re6 33.Nb1 Rh6 34.Nc3 Qf7 35.Na4 g4 36.hg4 Qf6 37.Nb6?? Qh4–+ 38.f4 Qh1 39.Kf2 Qa1 40.Nd5 Kf8 41.Nc3 fg4 42.Bg4 Rh1 43.Nd1 Qc1 44.Qb4 Kg7 45.c6 Bc6 46.Qe7 Nf7 47.Be6 Qd2 48.Kg3 Be8 49.Bf7 Bf7 ½–½. Martins,Karin – Trokenheim,Marek, corr TKM–A002, 1999.

8.Qb3 Qd7 9.bc6 bc6 10.Rb1 Nh6 11.cd5 cd5?? (better is 11...Bd5 12.Bc4 Bc4 13.Nc4 Nf7+=) 12.Bb5+– Nc6 13.Rc1 Rc8 14.Qa4 0–0 15.Bc6 Rc6 (15...Qf7+–) 16.Qc6 Rc8 17.Qc8 Qc8 18.Rc8 Bc8 19.Ne2 Bb4 20.a3 Ba5 21.Nc3 Bc3 22.Bc3 Nf7 23.Bb4 1–0. Mai,Wolfgang (2025) – Kayaalp,Berk (1725), AA/C13/sf/B ICCF, 2012.

8.Qb3 Ne7 9.c5+/– Bc7 10.Ne4 0–0 (10...de4 11.Qe6) 11.Ng3 Nd7 (11...b6 12.Nf3+=) 12.Bd3+/– f5 (12...Ba5 13.Bc3+/–) 13.f4 (13.N1e2!?+/–) 13...Nf6 14.Nf3 Ng4 15.Ke2 Ng6 (15...Bd7 16.bc6 bc6 17.Ne5+=) 16.h3+/– Nh6 17.a4 Nf7 (17...Re8!?+/–) 18.Nf5 Bf4? (better is 18...Qf6 19.Ng3 Nh4+–) 19.ef4+– Nf4 20.Kd2 (20.Kd1!? Ng2 21.Rg1 Qf6+–) 20...Ng5 21.Nd6 Ng2? 22.Ng5 Qg5 23.Kc3 Rf2 24.Ne4! de4 25.Qe6 Kh8 26.Bc1 e3 27.h4 Qh5 28.Ra2?? Nf4+/– 29.Qc4 Nd3 30.Kd3 Qf3 31.Re1 Re8 32.Rae2 h5 33.Kc3 Re4 34.Qd3 Re2 35.Qe2 Qf5 36.Be3 1–0. Diener,Rudolf – Klebaner,JS, corr ICCF H–1296, 1992.

8.Qc2 Ne7 9.Ne2 0–0 10.Nc3 f5 11.g3 Nd7 12.Be2 Kh8 13.a4 Bc7 14.0–0 Nf6 15.c5 g5 16.Ra3 f4 17.Nde4 (better is 17.bc6!? Nc6 18.Rb1=) 17...Bf5–/+ 18.Bd3 de4 19.Ne4 Be4 20.Be4 Ned5 (20...Ne4!? 21.Qe4 Nd5–/+) 21.Bg2+= fe3 22.fe3 Ng4 23.Rf8 Qf8 24.e4 Ndf6 25.Qe2 Re8 26.Rf3 Qe7 27.Rf1 Nh6 (27...Kg7 28.Rf5 Nh6 29.Rg5 Kh8 30.Qe3+/–) 28.Qd3 (better is 28.bc6!? bc6 29.Qa6+/–) 28...Kg7+= (28...Ne4? 29.Re1 Qf6 30.Re4+– (worse is 30.Be4 Ng4 31.Qc2 Kg7+–)) 29.Re1 Nhg8 30.Bc3 Kh6 31.Bb4 Nd7 32.Qc2 Ngf6 33.d5 Be5+= 34.Rd1 Ng4 35.Qe2 Ngf6 36.Qc2 Rf8 37.bc6 bc6 38.dc6 Nb8–/+ 39.c7 Qc7 40.c6 Rd8 41.Rd8 Qd8 42.Bf8? Kg6 43.Ba3 Qb6 44.Kh1 Nc6 45.Bc5 Qa5 46.Qf2 Qa4 47.Qf5 Kg7 48.Qg5 Kf7 49.Qd2?? Qa1 50.Bg1 Bd4 (50...Bd4 51.Bf1 Qf1–+) 0–1. Reissner,B – Stielfried,Martin (2285), Bundeswehr–ch, 1988.

8.c5. Frenzel – Fischer, corr.

8.bc6 bc6 9.c5 Bc7 10.Ne2 Ne7 11.Nf4 Qd7 12.Ne6 Qe6 13.Be2 0–0 14.0–0 f5 15.Qb3 Nd7 16.f3 Qh6 17.g3 Rab8 18.Qc3 Qg6 19.f4 h5 20.Rfb1 h4 21.Nf1 hg3 22.hg3 Kf7 23.Qe1 Rh8 24.Qf2 Rh7 25.Bc3 Rbh8 26.Kg2 Nf6 27.Rb7 Bd8 28.Rb8 Ng4 29.Bg4 Qg4 30.Qe1 Qf3 31.Kg1 Rh1 0–1. kaasparov – oberleis, internet, 2013.

7.Ne2 Ne7

8.c4 c6 9.a4 Nd7 10.Nc3 0–0 11.Qb3 f5 12.g3 Nf6 13.Ba3 Ba3 14.Qa3 Ng6 15.Be2 Kh8 16.a5 dc4 17.bc6 bc6 18.Bc4 Bc4 19.Nc4 Nd5 20.0–0 Qg5 21.Rfc1 h5 22.Ne5 Rf6 23.Nd5 cd5 24.Rc7 h4? 25.Ng6?? Rg6+/– 26.Rac1 Qg4 27.Qb3 hg3 28.hg3 f4? 29.ef4 Qf4= 30.Rc8 Rc8 31.Rc8 Kh7 32.Rc2?? e3?? 33.Qd3?? Qf3–+ 34.Qe2?? Qe4 35.Rc1–/+ Rf6?? 36.Qh5?? Rh6–/+ 37.Qe2?? Rf6 38.Qh5 ½–½. Melich,Jindrich (2160) – Verner,Pavel, CZE–chT2 Czechia, 1999.

8.c4 c6 9.bc6 bc6 10.Nc3 Nd7 11.Be2 0–0 12.c5 Bc7 13.Rb1 Ba5 14.0–0 Rb8 15.Nb3 Bc7 16.f3 ef3 17.Bf3 f5 18.Qe2 Rf6 19.Qa6 Rh6 20.g3 Nf6 21.Qa7 Ne4 22.Qa6 Ng3? 23.hg3+– Bg3 24.Bg2 Qc7 25.Ne2 Ng6 26.Rf3 Bh2 27.Kf2 Nh4 28.Rh3 (28.Rh3 f4 29.ef4 (29.Rh2 fe3 30.Ke3 Qh2–+; < 29.Nf4 Bh3 30.Bh3 Bf4–+) 29...Bh3 30.Bh3 Bf4 31.Rh1+=) 1–0. Buss,Michael – Brown,Richard, USCF87CA162, 1987.

7.Ne2 f5

8.c4 c6 9.a4 Nf6 10.g3 0–0 11.Nc3 Nbd7 12.Qb3 h6 13.Ba3 Ba3 14.Ra3 g5 15.c5 f4 16.Nce4 Qe7 17.Nf6 Qf6 18.Kd1 Rae8 19.Qd3 fe3+= 20.fe3 Bf5 21.Qe2 Qe6 22.Bg2?? Bg4–+ 23.Bf3 Rf3! 24.Nf3 Qe4 (24...Qe4 25.Rf1 Qb1 26.Kd2 Qb2 27.Ke1 Qa3–+) 0–1. Izoitko,Alexey – Shister,Elena (2035), St Petersburg White Nights op, 2004.

8.c4 c6 9.Nc3 Nf6 10.Qb3 0–0 (10...Qc7 11.bc6 bc6 12.Ba3 Ba3 13.Qa3 dc4 14.Nc4 Bc4 15.Bc4+/–) 11.bc6 (11.c5 Be7+=) 11...bc6 (better is 11...Nc6 is a viable option 12.Nd5 Bd5 13.cd5 Na5+=) 12.c5+– Be7 (12...Bc7 13.Qb7 Nbd7 14.Qc6+–) 13.Qb7 Qd7?! cannot solve the problems of the position (13...Nbd7 14.Qc6 Bf7 15.Rb1+–) 14.Qa8 Qc7 (14...Rc8 15.Na4 Qc7+–) 15.g3 (better is 15.Bb5 and White can celebrate victory 15...cb5 16.Nb5+–) 15...Nbd7+/– 16.Qf8 Nf8 17.Nb3 (17.Rb1 Ne8+/–) 17...Bc8 (17...Bd8 18.Ba3+/–) 18.Na4 (18.Nd1 h5+/–) 18...Ne6 (18...Bd8 19.Bc3+/–) 19.h4 (better is 19.Rb1!?+/–) 19...Nh5 20.Rg1 Nf8 (20...f4 21.ef4 Ng3 22.fg3 (worse is 22.Rg3 Bh4 23.Nc3 Bg3 24.fg3 g5–/+) 22...Nf4 23.gf4 Qf4 24.Be2 Bh4 25.Kd1+=) 21.0–0–0 (21.Bc3 Bh4 22.Ba5 Qb8 23.gh4 Qh2+/–) 21...Nd7 (21...f4!? 22.ef4 Nf4=) 22.Bc3 Nhf6 23.Rd2 Nb8 24.Rb2 Bd8 25.Na5 Na6 26.Kb1 Qd7 27.Ka1 Bc7 28.Be2 Kf8 29.Rgb1 Ng8?? 30.Nb6! ab6 31.cb6 Bd8?? 32.b7 Bb7 33.Rb7 Nc7 34.Bb4 Be7 35.Rc1 Bb4 36.Rb4 Ne7 37.Rb6 Qd6? 38.Nc6 Qa3 39.Rbb1 Ne8 40.Ne5 Qa5 41.Rb2 g6 42.h5 Nd6 43.h6 Ndc8 44.g4 Nb6 45.Rb6! Qd2 46.Rb8 Nc8 47.Rbc8 Ke7 48.g5 f4 49.R1c7 (49.R1c7 Ke6 50.Bg4 Kd6 51.Rd7) 1–0. Skalozubov,Alexander (2235) – Kovpak,Anastasia (2110), Serpukhov op, 2002.

6.Nd2 Qd7

7.c4 dc4

8.Qa4 c6=+ 9.bc6 Qc6 10.Qc6 Nc6 11.a3 b5 12.Ne4 b4 13.ab4 Bb4 14.Kd1 Rb8 (14...Rb8 15.Bc3 Bc3 16.Nc3 Nge7=; 14...Rd8 15.Nf3=). COMP – COMP, 2002.

8.Nc4 Bb4 9.Nd2 a6 =.

8.Nc4 Bb4 9.Nd2 f5 10.a3 Ba5 11.Qh5 Bf7 12.Qg5 Bd5 13.Rc1 c6 14.Ne2 cb5 15.Nc3 Bc3=+ 16.Bc3 a6 17.Be2 Nf6 18.Bb4 Nc6 19.Bc5 Rb8 20.Qg3 Rg8 21.0–0 b6 22.Bd6 Rc8 23.a4 ba4 24.Nc4 Qa7 25.Ba3 Ra8 26.f3 b5 27.Nd6 Kd8 28.fe4 Be4 29.Bf3+– b4 30.Ne4 fe4 31.Rc6 ef3 32.Rf6! ba3 33.Rd6 (33.Rd6 Qd7 34.Qg5 Ke8 35.Qe5 Qe7 36.Re6+–) 1–0. Van Rooijen,Peter – Mullen,John, IECC, 2000.

8.Nc4 c6 9.a4 Bb4 10.Nd2 f5 11.Nh3 Nf6 12.Nf4 0–0 13.Ba3 Ba3 14.Ne6 Qe6 15.Bc4 Nd5 16.Ra3 cb5 17.ab5 Nd7 18.0–0 N7b6 19.Bb3 Qd7 20.Qa1 Qb5 21.Rb1 Qc6 22.Ra7 Ra7 23.Qa7 Rf7 24.Bd5 Nd5 25.Qb8 Rf8 26.Qb7 Qb7 27.Rb7 Rc8 28.g3 Rc1 29.Nf1 g6 30.h3 h5 31.Rb5 Nc7 32.Kg2?? Nb5–+ 33.g4 h4 0–1. Kuni – Zimmermann, Tigerschachclub, 2002.

8.Nc4 c6 9.Nd2 f5 10.Qa4 Nf6 11.Nh3 Nd5 12.Ng5 Bg8 13.Rd1 Be7 14.Nh3 a6 15.bc6 Nc6 16.a3 Rc8 17.Rc1 Be6 18.Be2 0–0 19.Nb1 Rfd8 20.0–0 Rc7 21.Nc3 =+.

7.f3 ef3

8.Ngf3 a6 9.ba6 Na6 10.Bd3 Nb4 11.0–0 Qa4 12.Qc1 Bd6 13.a3 Nd3 14.cd3 Nh6 15.e4 Bf4 (15...0–0 16.Re1–/+) 16.ed5 (16.Qc3!?=+) 16...Bd5 –/+.

8.Ngf3 a6 9.ba6 Na6 10.Bd3 Nb4 11.0–0 Nd3 (11...Na2 12.c3 Bg4 13.Bb1+–).

6.Nd2 Nd7

7.c4 Qe7 8.c5 0–0–0 9.a4 g5 10.g3 f5 11.h4 gh4 12.Rh4 Ngf6 13.Ne2 Ng4 14.Nf4 Bf7 (14...Bh6 15.c6 Bf4 16.cd7 Bd7 17.Rg4 fg4 18.gf4+=) 15.Nb3 (15.c6!? Ndf6 16.Ba3+/–) 15...Bg7 16.Be2 Bf6 17.Rh3 h5 18.a5 Kb8 19.Ba3 Qe8 20.c6 Nf8 21.cb7 Ng6? Black prepares the advance h4 (21...Ne6 22.Ne6 Be6 23.Qc2+–) 22.Ng6 (22.Nh5!? Be7 23.b6 Ba3 24.bc7 Kc7 25.Ra3 Kb7 26.Nc5 Ka8+–) 22...Bg6 23.a6 f4 24.gf4 (24.ef4 e3 25.f3 Nf2+/–) 24...Bf5 25.Rh1 h4? (25...Rg8+–) 26.Na5 Bd7 27.Qb3 (27.Rc1 Ne3 28.fe3 Qe6+–) 27...Nh6 (27...Qe6+–) 28.Qd5 Nf7 (28...Qf7 29.Qc5 Qe6 30.Rc1+–) 29.Nc6 (better is 29.Rc1 Bd4 30.ed4 Bb5 31.Qc5+–) 29...Bc6 30.Qc6 Qe6 (30...Be7+–) 31.Qe6 Bd4 32.Qf7 (32.ed4 Nh6 33.b6 Rd7 34.ba7 Ka7 35.Bc5 Kb8 36.Qc6 Rd4 37.a7) 32...Ba1 33.Be7 Rdg8 34.Rh4 Bc3 35.Kd1 Rd8 36.Bd8 Rd8 37.Kc2 Ba1 38.Rh7 Bg7 (38...Be5 39.fe5 Rd2 40.Kd2 c5 41.Qf8) 39.Rg7 Rd2 40.Kd2 c6 (40...c5 41.Qf8) 41.Rg8# 1–0. popovicigelu – kristof1990 (1605), internet, 2013.

7.c4 Bb4

8.a3 Bd2 9.Qd2 dc4 10.Qc2 Nb6 11.Qe4 Qd5 12.Qd5 Bd5 (12...Nd5? 13.Bc4 Nf4 14.Bf1+– (14.ef4?! Bc4 15.Rc1 Bd5+=)) 13.a4 (13.Rc1 a6 14.ba6 Ra6=) 13...c6 14.a5 Nc8 (14...Nd7 15.bc6 Bc6 16.0–0–0=) 15.bc6+= Bc6 16.Nf3 (16.Bc4? Bg2 17.Bb5 Kd8–+) 16...Bf3 17.gf3 b5 18.ab6 Nb6 19.f4 (19.Ba3 c3+=) 19...a5 20.Rb1 Ne7 21.Ba3 g6?? (better is 21...Ra6+=) 22.Rb6+– 1–0. Steinmann,Joachim – Jacewicz,Grzegorz, corr 3GMM–30, 1995.

8.a3 Bd2 9.Qd2 Ne7 10.Rc1 =.

8.cd5 Bd5 9.a3 Bd2 10.Qd2 Ne7 =.

8.cd5 Bd5 9.a3 Bd6 =.

8.cd5 Bd5 9.Ne2 Ne7 10.Nf4 0–0 11.Nd5 Nd5 12.a3 Ba5 (12...Bd2 13.Qd2 N7b6 14.Be2=) 13.Be2 (13.Bc4 N7b6 14.Bb3 a6 15.ba6 Ra6=) 13...f5 (13...c5 14.0–0 Bd2 15.Qd2+=) 14.0–0 c6 (14...Bd2 15.Qd2 f4 16.ef4 Rf4 17.Bc4+=) 15.Rc1 (15.bc6 bc6 16.Bc4 Rb8=) 15...cb5= 16.Bb5 N7f6 (16...Bd2 17.Qd2 f4 18.Qc2=) 17.Bc4 Kh8 18.Bd5 (18.Nb3 Rc8=) 18...Nd5 (< 18...Qd5 19.Rc5 Qd8 20.Nc4=) 19.Nc4 Bc7 (19...f4 20.f3=) 20.Qb3= Qe7 21.Ne5 Be5 22.de5 Rad8 23.Rfd1 Qf7 24.Qc4 Rd7 25.Qc5 b6 26.Qc6 Rdd8 27.e6+= Qe8 28.Qb7 Qe7 29.Qe7 Ne7 30.Rd7 Rd7 31.ed7 Rd8 32.Rc7 Kg8 33.Ra7 Ng6 34.Bd4+– Nf8 35.Bb6 Rd7 36.Rd7 Nd7 37.Bd4 Nb8 38.a4 Kf7 39.a5+– g5 40.f3 Na6 41.fe4 fe4+/– 42.g4 Kg6 43.Kf2 Kf7 44.Ke2 Kg6 45.Kd2 h5 46.gh5 Kh5 47.Kc3 Kg4 48.Kc4 Nc7 49.Bf6 Kf5+/– 50.Bd8 Ne8 51.Kd5+– 1–0. Rosner,Dirk – Hlousek, corr 3GMM–35, 1996.

8.Ne2 dc4 9.Bc3 Bd6 (9...Bc3 10.Nc3 f5 11.Bc4 (11.Qh5 g6 12.Qh3 Qe7 13.d5 Bf7 14.Bc4=+) 11...Bc4 12.Nc4 Ngf6 13.Qb3 Qe7 14.0–0=) 10.Ne4 (10.Ng3 Bg3 11.hg3 Qe7 12.Ne4 a6 13.Nd2 Qa3 14.Nb1=) 10...Bf7 (10...Ne7 11.Nd6 cd6 12.Nf4 Bf7 13.Qg4 Rg8 14.e4+=; 10...Nb6 11.Nc5 (11.Nd6 cd6 12.Nf4 Qd7 13.Ne6 Qe6 14.Be2+=) 11...Bc8 12.Ng3 Ne7 13.Qh5 g6 14.Qh6+=) 11.Qc2 (11.Nd6 cd6 12.Nf4 Qb6 13.Qa4 d5 14.Ba5+=; 11.N2g3 Ne7 12.Qf3 Rb8 13.Be2 0–0 14.Nd6+=; 11.g3 Ne7 12.Bg2 Nd5 13.Qc2 Bg6 14.Ba5+=; 11.Rc1 a6 12.Nd6 cd6 13.Ng3 Ne7 14.Ne4=) 11...Ne7 (11...Bg6 12.f4 Qe7 13.N2g3 Nb6 14.Nd6+=) 12.N2g3 a6 (12...Bg3 13.Ng3 a6 14.ba6+=) 13.Nd6 (13.Rb1 Nb6 14.Ba5+=) 13...cd6 14.ba6 Ra6 15.Be2 0–0 16.0–0 Qc7 17.a4 Rfa8 18.Rfb1 Nb6 19.a5+= Nbc8 20.Qb2 R8a7 21.Bf3 b6 22.ab6+= Rb6 23.Qc1 Nd5 24.Ra7 Qa7 25.Ra1 Ra6 26.Ra6 Qa6 27.Bd5 Bd5 28.e4 Bf7 29.d5 Bg6 30.h4 h5 31.Qb2 Qb6 32.Bb4 Kf7 33.Qc3 Qa6 34.f3 Kg8 35.Kh2 Bf7 36.Nf5+– Be8 37.Qd4 Bf7 38.Bc3 Nb6 39.Ng7 Nd7 40.Nf5 Bg6 41.Ne3 Qc8 42.Nc4 Qc5 43.Kg3 Bh7 44.Qc5 dc5 45.Kf4 Kf7 46.g4 hg4 47.Kg4 Ke8 48.Kh5 Kf8 49.Kh6 Bg8 50.Ne3 1–0. pcmvr (2645) – huimre (2650), net–chess.com, 2007.

7.c4 c6

8.a4 Ne7 9.c5 Ng6 10.Ne2 Be7 11.Nf4 Bf7 (11...Nf4 12.ef4 0–0 13.Qb3+=) 12.bc6 bc6 13.g3 Nf4 14.ef4 Qa5 15.Bg2 Rb8 16.Qc2 0–0 17.0–0 Rb7 18.Bc3 Qa6 19.Rfb1 Rfb8 20.Rb7 Rb7?? (better is 20...Qb7 21.f5 Re8=) 21.Bf1+– Rb5 (21...Qf1 22.Kf1 Be6 23.Rb1+–) 22.ab5 Qb5 (22...Qc8 23.Ra7 Bd8+–) 23.Bb5 (23.Bb5 cb5 24.Ra7+–) 1–0. mihai740609 – mc56, internet, 2013.

8.Qa4 Qb6 9.c5 Qc7 10.Ne2 Ne7 11.Nf4 Bf7 12.bc6 bc6 13.Bc3 a5 (13...g5!? 14.Ne2 Rb8+=) 14.Rb1 Ng6 15.Ng6 hg6 16.Nb3 Rb8 17.Qa5 Qc8 (better is 17...Qa5 18.Ba5 Ra8+–) 18.Ba6 Qd8 19.Qd8 Kd8 20.–0 Be7 21.Na5 Kc7 22.Bb7 Bc5 (22...f5 23.Rfc1+–) 23.dc5 Nc5 24.Bc6 f5 (24...Be6+–) 25.Bg7 (better is 25.Be5 Kd8 26.Rb8 Ke7 27.Rh8+–) 25...Rhg8 (25...Kd6 26.Bh8 Rh8+–) 26.Be5 (26.Be5 Kd8 27.Bb8+–) 1–0. tyop (1770) – pavelhod (1685), internet, 2013.

8.Ne2 Bd6 9.c5 Bc7 10.Nf4 Bf4 11.ef4 f5 (11...Qc7!?=) 12.Qh5 g6 13.Qh3 Ngf6 14.Qh6 Qe7 15.Qg5 Bf7 16.Qg3 Nh5 17.Qe3 Ndf6 18.h3 Qc7 19.g3 0–0 20.a4 Be8 21.Be2 Ng7 22.0–0 Bd7 23.Rfe1 Kh8 24.Bf1 Ngh5 25.Rab1 Rg8 26.Kh1 Rg7 27.Bc3 Rag8+= 28.b6 ab6 29.cb6 Qb8 30.Rec1?? g5–+ 31.fg5 Rg5 32.Nf3 Ng3 33.fg3 Rg3 34.Rc2 Rf3 35.Qh6 Rg6 36.Qh4 Rfg3 37.Rg2 f4 38.Rg3 fg3 39.Bb4 Qg8 40.a5 g2 41.Bg2=+ Rg2?? 42.Qf6+– Rg7 43.Bf8 Bh3 44.Bg7 Qg7+– (45.Qd8 Qg8 46.Qg8 Kg8+–). orane (2170) – procyk (1870), Live Game Caissa's Web, 2004.

6.Nd2 Ne7

7.Ne2 Nd7 8.c4 c6 9.Nf4 Bf7 10.Be2 Ng6 11.Ng6+= Bg6 12.0–0 Bd6 13.f3 Qc7 14.g3 0–0 15.bc6 bc6= 16.Qc1 Qb7 17.fe4+/– Rab8 18.Rb1 de4 19.Ba3 Qc7 20.Bd6 Qd6 21.Rb8 Rb8 22.Rf4 Qe7+= 23.c5 Rd8 24.Qc2+/– f5 25.Nc4 Rb8 26.Nd6 Qg5 27.Bc4 Kh8 28.Be6 Nf6 29.Nf5 h6? 30.Ne7 Be8 31.Qc1 Nh7 32.Nc8 Nf6 33.Nd6 Rd8 34.Ne4 Ne4 35.Re4 Bg6 36.Rf4 Qe7 37.Bb3 Re8 38.Ba4 Be4 39.Qd2 Bd5 40.Qf2 Rb8 41.Bb3! Bb3 42.ab3 Kg8 43.Qf3 Qe6 44.Qe4 Qe4 45.Re4 Kf7 46.Rf4 Ke6 47.b4! g5 48.Rf2 Rb4 49.Ra2 Rb7 50.h4 Kd5 51.hg5 hg5= 52.Ra6 Rf7 53.g4 Rf3 54.Ra3 Ke4 55.Kg2 Rf7 56.Rc3 Rf6 57.Rb3 Rf8 ½–½. ChessMaster 7 – ChessMaster 7, 2000.

7.c4= Nd7

8.Rc1 Nb6 9.a4 c6 10.cd5 cd5 11.a5 Nd7 12.a6 ba6 13.ba6 Rb8 14.Rb1 (14.Ba3 Qa5 15.Bc5 Nc5 16.Rc5 Qb4=) 14...Rc8 (14...Nc6 15.Qh5 g6 16.Qe2=+) 15.Bb5= Nc6 16.Ne2 Bb4 17.0–0 0–0 18.f3 (better is 18.Nf4!? Qe7 19.f3= (19.Ne6?! Qe6 20.f3 Rb8=)) 18...Qa5 –/+.

8.Rc1 Nb6 9.a4 Nf5 10.a5 Nc4 11.Bc4 dc4 12.Qh5 g6 13.Qg4 =+.

8.Rc1 Nb6 9.a4 Bf7 10.a5 Nd7 11.cd5 (11.a6 ba6 12.ba6 Rb8=) 11...f5 (11...Bd5 12.Bc4 c6 13.bc6 bc6 14.Bc3=) 12.d6 (12.a6 ba6 13.d6 cd6 14.ba6 Rb8=) 12...cd6= 13.a6 ba6 14.ba6 Rb8 15.Bc3 Nd5 16.Bc4 N7b6 (16...Qg5 17.g4=+) 17.Ne2 (17.Bb5 Nd7 18.Bc6 Nc3 19.Rc3 Qa5=+) 17...Nc4=+ 18.Qa4 Qd7 19.Qd7 Kd7 20.Nc4 Nc7 21.Nd2 d5 (21...Na6 22.Ng3 Ke6 23.d5 Kd5 24.Nf5–/+) 22.Ra1 Rb6 23.f3 ef3 24.Nf3–/+ Bd6 25.0–0 Na6–+ 26.Ng5 Bg6 27.Nf4 Bf4 28.ef4 h6 29.Nf3–/+ Kd6 30.Ba5 Rbb8 31.Bc3= Rb6 32.Ba5–/+ Rb5 33.Ne5 Bh5=+ 34.Rfc1 Be8 35.Bd8 Nb4 36.Ra7 g6?? 37.Nf7 Bf7 38.Be7 Ke6 39.Re1# 1–0. SuperForte – ChessMaster2000, February, 1994.

8.Rc1 c6 9.a4 Nb6 10.cd5 cd5 11.a5 Nd7 12.a6 ba6 13.ba6 Rb8 14.Rb1 (14.Ba3 Qa5 15.Bc5 Nc5 16.Rc5 Qb4=) 14...Rc8 (14...Nc6 15.Qh5 g6 16.Qe2=+) 15.Bb5= Nc6 16.Ne2 Bb4 17.0–0 0–0 18.Ne4 de4 19.d5 Nde5 20.de6 (20.dc6 A) 20...Nc6? 21.Qa4+–; B) 20...Rc6?? 21.Be5 Qd1 22.Rfd1+– (22.Rbd1?! Rc5+/–); C) 20...Qd1 21.Rfd1 Nc6+/–) 20...Qb6 (20...Nd3 21.Nf4 Nb2 22.Qd8 Rfd8 23.Rb2+/–) 21.Be5 (21.e7 Rfe8 22.Qd5 Nf7+–) 21...Qb5+/– 22.Bd6 Rfd8 23.e7 Rd7?? 24.Qb3+– Kh8 25.Qe6 Ne7 26.Be7 Rcc7 27.Rb4 Re7 28.Rb5 h6 29.Rb8 Kh7 30.Qg8 Kg6 31.Nf4 Kf5 32.Rb5 Rc5 33.Rc5 Re5 34.Qh7 Kg4 35.Qg7 Rg5 36.h3 Kh4 37.Qh6 Rh5 38.Rh5# 1–0. SuperForte – ChessMaster2000, 1994.

8.Rc1 f5 9.Ne2 =.

6.Nd2 f5

7.a4 Nf6 8.Ne2 Bf7 9.g3 (9.Ng3 Qd7=) 9...Bb4 10.Bg2 0–0 11.0–0 a6 12.c3 Bd6 13.Qc2 Qe8 14.ba6 Ra6 15.Rfb1 Nbd7 16.Ba3 Ba3 17.Ra3 Qe7 18.Ra2 Ra7 19.Rab2 (19.a5 Rfa8=+) 19...b6 (19...Nb6 20.Ra2–/+) 20.Nf4=+ Rfa8 21.Rb4 (21.Ra2!?=+) 21...c5–/+ 22.dc5 bc5 23.Rb7 Ra4 24.Bh3 Ra2 25.Qc1 g5 26.Ne2 Bh5 27.Kf1 Qe6 28.Ke1 Ne5 29.Kf1 Qa6 30.R7b6 Qe2 0–1. Coope,Derek William (1795) – Voetter,Hans_Dieter (2350), EM/CL/Q07–4 ICCF Email, 2002.

7.c4 a6 8.Nh3 Nf6 9.Qb3 (9.Nf4!? Bf7 10.Nd5 Nd5 11.cd5=) 9...ab5= 10.Qb5 Nc6 11.Bc3 (11.Qb7?? Na5 12.Qa8 Qa8–+) 11...Bd7 12.Qb2 (worse is 12.cd5 Nb4 13.Bb4 Bb5 14.Bb5 Nd7 15.Bf8 Kf8–+; worse is 12.Qb7 Rb8 13.Qa6 Bb4 14.cd5 Nd5 15.Bb4 Ncb4–/+ (worse is 15...Rb4 16.Bc4 Nce7 17.Qa5+/–; worse is 15...Ndb4 16.Qc4+/–)) 12...b6 (12...Bd6 13.c5 (worse is 13.Qb7 Rb8 14.Qa6 Bb4–/+) 13...Be7 14.Bb5+=) 13.Nf4 Ba3 (13...Bd6 14.Nd5 (worse is 14.cd5 Ne7+=) 14...0–0 15.Be2=) 14.Qb3 Ne7 (14...Bd6 15.Nd5 Na5 16.Ba5 Ra5 17.c5 bc5 18.Qc3=) 15.cd5 (15.Nd5 Ned5 16.cd5 Qe7=) 15...Bd6= 16.Ne6 Be6 (better is 16...Qc8!? 17.a4 Kf7=) 17.de6+= c6 18.Nc4 (18.Bc4 Ned5 19.a4 0–0=) 18...Nfd5 19.Be2 (19.Rc1 b5 20.Nd6 Qd6=) 19...0–0 20.a4 (20.Rc1 Rf6=) 20...f4 (20...Nc3 21.Qc3 Nd5 22.Qb3=) 21.Nd6 (better is 21.Bd2!?+=) 21...Qd6+= 22.Bd2 fe3 (22...f3 23.gf3 ef3 24.Bd3=) 23.Be3 Ne3 24.fe3 (24.Qe3 Nd5 25.Qb3 Qe6=) 24...b5 (24...Nd5 25.Rf1+=) 25.Ra2 (25.a5 Nd5=) 25...ba4+= 26.Ra4 Rab8 27.Qa3 (27.Qc2 Nd5+=) 27...Qe6 28.Kd2 h6 29.Rf1 Rf1 30.Bf1 Kh7 31.Ra8 (31.Rb4 Rf8 32.Bc4–+) 31…Rb1–/+ (31...Rb1 32.Be2 Nd5–/+) 0–1. Kural,A Serhat (2000) – Karg,Hermann (2460), Jubilee, 2007.

7.c4 Bb4 8.Ne2 dc4 9.Bc3 Bc3 10.Nc3 Nf6 11.Bc4 Bc4 12.Nc4 Nd5 13.Qb3 Nc3 14.Qc3 0–0 15.Rc1 c6 16.Ne5 Qe8 17.bc6 Nc6 18.Nc6 bc6 19.Qc6 Qc6 20.Rc6 Rfb8 21.Kd2 Rb2 22.Rc2 Rab8 23.f3 a5 24.fe4 fe4 25.Rhc1 a4 26.Rb2 Rb2 27.Rc2 Rb1 28.Kc3 Re1 29.d5 Re3 30.Kd4 Re1 31.Ke5 Kf7 32.d6 Rf1 33.Rc7 Kf8 34.d7 1–0. Nielsen – Borrmann, corr ICCF EU–I–GT–42 1969.

7.c4 b6 8.Qb3 Nf6 9.Nh3 Bd6 10.Ng5 (10.cd5 Nd5 11.Bc4 Bb4+/–) 10...Bg8 11.cd5 Nd5 12.Bc4 Bb4 (12...Qg5?? 13.Bd5 Qg2 14.0–0–0 Bd5 15.Qd5 Qf2 16.Nc4+–) 13.Nh3 (13.a3 Ba5+=) 13...Qd6 14.Ke2 (14.f3 Nd7 15.fe4 fe4 16.0–0–0=) 14...Bd2?? (better is 14...a5+=) 15.Kd2+/– Qb4 16.Qb4 Nb4 17.Be2 (17.Rhc1 Kd7 18.Be2 c6+/–) 17...Nd5 (17...Nd7 18.Rhc1 0–0–0 19.Ba3+=) 18.f4 (18.Rhg1 h5+/–) 18...Nd7+= 19.Rhc1 (19.g4 N7f6 20.g5 Nd7+=) 19...h6 20.Bh5 (20.Nf2 N7f6+=) 20...Bf7= 21.Bf7 (21.Be2!?=) 21...Kf7–/+ 22.Nf2 N7f6 23.g3 a6 24.a4 Ra7 25.Ra3 (25.Nd1 g5–/+) 25...Rha8 (25...ab5 26.ab5 Ra3 27.Ba3–+) 26.Rca1 (26.Rb3 ab5 27.ab5 g5–/+) 26...g5 (26...Ne8 27.a5 ab5 28.ab6 Ra3 29.Ra3 Nb6 30.Ra8 Na8 31.Kc2–+) 27.Bc1 (27.Nd1!?–/+) 27...gf4–+ 28.gf4 Rg8 29.Ke2 Rg2 30.h3 (30.Kf1 Rh2 31.Kg1 Rh4 32.ba6 Ra6–+) 30...Nh5 31.Kf1 Rg7 (31...Rg3 32.h4–+) 32.ba6 (32.Bd2 Rg3 33.ba6 Ra6–+) 32...Ra6 33.Bd2 Rg6 (better is 33...Ra8 34.Ke2 Rag8–+) 34.Nh1? (better is 34.a5–/+) 34...Ra8–+ 35.Be1 Rag8 36.Bf2 Rc6?? (better is 36...Rg2 37.a5 Rh2–+) 37.a5+= Ra8 38.Be1 (better is 38.a6!?+=) 38...ba5–/+ 39.Ba5? (39.Nf2 a4–+) 39...Rca6 (39...Rc2!? 40.Nf2 Rg8 41.Re1–+) 40.Kf2 (40.Ke2 Rg6 41.Nf2 Rb8–+) 40...Ke6 (40...Rg8!? 41.Be1 Rag6 42.Ke2 Rg2 43.Nf2–+) 41.Ke2 Kd7 (41...Rg8!? 42.Be1 Ra3 43.Ra3–+) 42.Nf2–/+ Ng3 (better is 42...Rg6 43.Be1 Rag8–/+) 43.Kd2?? (better is 43.Ke1+=) 43...Nb6–+ 44.Kc3 Nh5 (better is 44...Ne2 45.Kb3 Rb8–+) 45.Nd1–/+ Nf6 46.Nb2? (better is 46.Kb3–/+) 46...Nfd5–+ 47.Kd2 Rg8 48.Bb6 (48.R1a2 Rg2 49.Kc1 Rh2–+) 48...Ra3 (better is 48...Rg2 49.Kc1 Rb6–+) 49.Ra3–/+ Rg2 50.Kc1 Nb6 51.Ra5?? (better is 51.Nd1–/+) 51...Rb2!–+ 52.Kb2 (52.Rf5 Re2 53.Rh5–+) 52...Nc4 (52...Nc4 53.Kc3 Na5–+) 0–1. Schwichtenberg,Juergen – Thielemann,Joachim (1740), 2rd Berlin Germany, Senior Championship, 2010.

7.c4 Nf6 8.a4 g5 9.cd5 Bd5 10.Bc4 Bb4 11.Bd5= Qd5 12.Ne2 Nbd7 13.0–0 h5 14.f3 0–0–0 15.fe4 fe4 16.Nc3 Bc3 17.Bc3 Ng4 18.Qe2 Qd6 19.g3 Rde8 20.Rf5 Qg6 21.Rff1 Nb6 22.Bb2 Nd5 23.Nc4 Qe6 24.Rac1 Kb8 25.Ba1 h4 26.h3 Nge3 27.g4?? Nf1–+ 28.Rf1 Rhf8 29.Bb2 Nf4 (29...Nf4 30.Rf4 gf4–+) 0–1. Hasler,Ulrich – Merkl,M, corr 2.KGP, 1993.

7.Ne2 Nf6 8.Nf4 Bf7 9.h4 Bd6=+ 10.g3 Nbd7 11.c4 c6 12.Qb3 0–0 13.Ba3 Qe7 14.Bd6= Qd6 15.c5 Qc7 16.bc6 bc6 17.Qa3 Nh5 18.Nh5 Bh5 19.Ba6 Nf6 20.Rb1 Rab8 21.0–0 Bf3 22.Rb8 Rb8 23.Rb1 Rb1 24.Nb1 g5 25.hg5+/– Qf7 26.Nd2+– Ng4 27.Kf1?? Qh5= 28.Nf3 ef3 29.Ke1 Qh2 30.Qb2 Qg1 31.Bf1 Kg7 32.e4 Kg6 33.ef5+= Kg5 34.Qd2+/– Kf6 35.Qc2 Nh2–+ 36.Qd3 Qf1 37.Qf1 Nf1 38.Kf1 Kf5 39.Ke1 Ke4 40.Kd2 Kd4 0–1. Melich,Jindrich (2190) – Matlak,Marek (2435), Ceske Budejovice op, 1995.

7.Nh3 Bd6 8.c4 c6 9.a4 Nd7 10.Qb3 Ngf6 11.Ba3 Ba3 12.Qa3 Qe7 13.c5 0–0= 14.Be2 h6 15.a5 a6 16.b6 g5 17.0–0–0 Nh7 18.f3 ef3 19.gf3 Rae8 20.Rde1 f4= 21.Nf2 fe3 22.Qe3+= Qf6 23.Qc3 Bf5 24.Bd1 Re7 25.Nb3 Rfe8 26.Qd2 Nhf8 27.Ng4 Bg4= 28.fg4 Ng6 29.Bc2+= Nf4 30.Bf5 Qf7 31.Kd1 Re2 32.Re2 Re2 33.Qc3 Nf6 34.Nc1 Ne4=+ 35.Be4 Re4 36.Re1 Qe6 37.Re4 Qe4 38.h3 Kf7 39.Kd2 Qg2 40.Ke1 Qg1 41.Kd2 Qf2 42.Kd1=+ Qf1 43.Kc2 Qc1 (better is 43...Qg2!? 44.Kb3 Kg8=+) ½–½. Gorbylev,Aleksandr – Patackas,Jonas_Petras, Ch World (for the Deaf), 1996.

7.Nh3 Nf6 8.Nf4 Bf7 9.Be2 =.

7.c4 dc4

8.Qc2 Nf6 9.Bc4 Nd5 10.Bd5 Qd5 11.Qc7 Qb5–/+ 12.Qe5 Qe5 13.de5 Nc6 14.Ne2 Bb4 15.Nd4 Nd4 16.Bd4 Rc8–/+ 17.a3 Ba5 18.Kd1 0–0 19.Rb1=+ Rc7 20.Nb3?? Bb3–+ 21.Rb3 Rfc8 22.Bb2 Rc2 23.Rb5 Rd2 24.Ke1 Rb2 (24...Rb2 25.Kd1 Rd2 26.Ke1 Rc1) 0–1. Kreuzer – Giacomelli, Soellingen, 1987.

8.Bc4 Bc4 9.Nc4 Bb4 10.Nd2 Qd5 11.a4 a6 12.Rc1 c6 13.bc6= Nc6 14.Ne2 Nf6 15.0–0 0–0 16.Nc3 Qf7 17.Qb3 Qb3 18.Nb3= Rac8 19.Rfd1 Na5 20.Na5= Ba5 21.Ne2 Nd5 22.g3 Rfd8 23.Nf4 Nf4 24.gf4 Kf7 25.Kf1 h6 26.f3= ef3 27.Kf2 g5 28.Kf3 g4 29.Ke2 h5 30.Kd3 Re8 31.Rb1 Ke6=+ 32.Rdc1 Kd5–/+ 33.Ba3 b6 34.Rc8 Rc8 35.Bb4 Bb4 36.Rb4 Rc6 37.Rb1 h4 38.Rb4 g3 39.hg3 hg3 40.Rb2 Rg6 41.Rg2 b5 (41...b5 42.ab5 ab5 43.e4 fe4 44.Kc3 Rg4–+) 0–1. Rosner,Dirk – Grott,Peter (1815), DESC, 2000.

8.Bc4 Bc4 9.Nc4 Bb4 10.Nd2 Qg5=+ 11.g3 a6 12.Qb3 Qe7 13.ba6 Ra6 14.Ne2 Bd2 15.Kd2 Rb6 16.Qa4 Qd7 17.Qd7= Nd7 18.Rab1 Ngf6 19.Rhc1 Nd5 20.Nc3 N7f6=+ 21.Nd5 Nd5 22.a4 Kd7–/+ 23.a5 Ra6 24.Rc5 Kd6 25.Rb5 b6 26.ab6 cb6 27.Rc1 Rha8 28.h4 Ra2 29.Rc2 g6 30.Kd1 R8a4 31.Rb3 Ra5 32.Kd2 Ra8 33.Bc3 Rc2 34.Kc2 Ra2 35.Bb2 Kc6–/+ 36.Kb1 Ra4 37.Bc3 b5 38.Be1 Nb6 39.Bb4 Nc4 40.Bc3 Na3 41.Kb2= ½–½. Rosner,Dirk – Ryska,Jiri, CiF, 2000.

8.Bc4 Bc4 9.Nc4 Bb4 10.Kf1 Nf6 11.Qb3 Nd5 12.Nh3 a5 13.Ne5 a4 14.Qc4 Rf8 15.Nf4 Nf4 16.ef4 a3 17.Qb4+/– ab2 18.Qb2 Qd5 19.Ke2 Nd7 20.Rhc1 Ne5 21.fe5 Qd7 22.Rc5 f4 23.f3 b6 24.Rc2 ef3 25.Kf3 Qd5 26.Kf2 Rf7 27.Rd2 f3 28.g3 g5 29.h3 Rd8 30.Qb3 Qb3 31.ab3 h5 32.Ra4 Re7 33.Rc2 g4 34.hg4 hg4+= 35.Ke3 Rd5 36.Rb4 Rf7 37.Rf2 Rd8 38.Ke4+= Rfd7 39.Rc4 Ra8 40.e6+– Rh7 41.Rfc2 Rc8 42.d5 Rd8 43.Rc7 f2 44.Rf7 Rf7 45.ef7 Kf7 46.Rf2 Ke7 47.Ke5 1–0. Haznedaroglu,Kivanc (1990) – Gavrijski,Dimitar (2010), corr ICCF WSTT/3/06/2, 2006.

7.c4 c6

8.a4 Nf6 9.Qb3 Bd6 10.Be2 0–0 11.Nh3 Kh8 12.Ng5 Bg8 13.c5+= Be7 14.0–0 Nbd7 15.Rfe1 h6 16.Nh3+= g5 17.a5 Qc7 18.b6 Qb8 19.a6 ab6 20.cb6+= ba6 21.b7 Ra7 22.Ba6 Qc7 23.Ba3 Ba3+/– 24.Qa3 Rb8 25.Qc3 c5 26.Reb1 c4 27.Ra2 Kg7 28.Nf1 Ne8 29.Ng3+= Nd6 30.Qe1 Be6 31.Nh5 Kg6=+ 32.Qe2 =. pierre – leonled, internet, 2008.

8.a4 Nf6 9.Qb3 Nbd7 10.Nh3 Be7 11.a5 0–0 12.a6 Rb8 13.Ba3 ba6 14.Be7 Qe7 15.Ra6 cb5 16.c5+= Rb7 17.Ra5 Nc5 18.dc5+= d4 19.Qb4 de3 20.fe3 Ng4 21.Rb5 Rb5 22.Qb5 Ne3 23.Nf4 Bf7 24.Nc4 Nc2 25.Kd1 Nd4 26.Qb4 Rd8 27.Nd6+= Nc6 28.Qc3+/– g5 29.Nh3 f4 30.Kc1 h6 31.Nf2 e3 32.Ng4 e2? 33.Be2! Qe2 34.Nh6 Kh7 35.Nhf7 (35.Nhf7 Qg2 36.Re1 Rd6 37.cd6+–; 35.Ndf7 Rd5 36.h4 Nd4+=) 1–0. Wolf,M – Broberg,Horst, corr DDR–11ch prel, 1980.

8.a4 Nf6 9.Ne2 Bd6 10.h3 0–0 11.Qc2 Nbd7 12.Ba3= Ba3 13.Ra3 Qe7 14.Rc3 Nb6 15.a5 Nc4=+ 16.bc6 b5 17.ab6= ab6 18.Nc1 b5–/+ 19.Rb3 Rfb8 20.Na2 Ra4 21.Bc4+= dc4 22.Rb5!? Rb5 23.Qa4 Rb2 24.Qa5 Ra2?? 25.Qa2+– c3 26.Nc4 Kf8 27.0–0 Qb4 28.Qa3 Nd5 29.Rc1 Qa3 30.Na3 f4 31.Nb5 (31.Nb5 fe3 32.fe3+–) 1–0. Chwojnicki,Lucjan – Opolski, corr Poland, 1979.

6.Nd2 Nh6

7.c4 Bb4

8.cd5 Qd5 9.Ne2 Qb5 10.Bc3 Na6 11.Nf4 Qc6 12.Bb4 (< 12.Ne6 Bc3 13.Ng7 Kf8–/+) 12...Nb4 13.Rc1 Qd7 14.Ne6 Qe6 15.Rc7 0–0 16.Bc4 Nd5 17.Qb3 Rad8 18.Rc5 (18…Nf7 19.Bd5+–; 18.Qb7?! Rf7 19.Bd5 Rd5 20.Qc8 Qc8 21.Rc8 Rf8 22.Rf8 Kf8 23.Ne4 Rb5+–; 18.Rb7?! Rf7+–).

8.Ne2 dc4 9.Bc3 Bc3 10.Nc3 0–0 11.Nce4+/– Re8 12.Qc2 c3 13.Nc3 c5 14.dc5 Nd7 15.Nde4 Qc7 16.Bd3 Re7 17.Nd6 Nc5+/– 18.Bh7 Kh8 19.Nf5 Nd3 20.Qd3 Nf5 21.Bf5 Rd7 22.Qc2 Bf5 23.Qf5 Qc3 24.Ke2 Rd2 25.Kf3 Rad8 26.Rac1 Qb2 27.Kg3 R2d5 28.Qh3 Kg8 29.Qe6 Kh8 30.Rhd1 Rd1 31.Rd1 Rd1 32.Qe8 Kh7 33.Qh5 Kg8 34.Qd1 Qa2 35.Qd8 Kh7 36.Qd3 Kh6 37.Qd7 Qc2 38.Kf3 a5 39.Qh3+– Kg6 40.Qg4 Kh6 41.Qh4+– Kg6 42.Qe4 Qe4 43.Ke4 b6 44.Kd5 Kg5 45.h3 Kh4 46.e4 Kg5 47.g3 Kg6 48.h4 f5 49.f3 fe4 50.Ke4 Kf6 51.g4 g5 52.hg5 Kg5 53.Ke5 Kh4 54.Kd4 Kg5 55.Ke4 Kh4 56.Kd5 Kg5 57.Kd4 Kf4 58.Kd3 Kg5 59.Ke3 Kh4 60.Kd2 Kg5= 61.Ke2 Kf4 62.Ke1 Kg5 63.Kd2 Kf4 64.Kc3 Kg5 65.Kd3 Kf4 66.Kc4 Kg5 67.Kd5 Kf4 68.Kd4 Kg5 69.Kc3 Kf4 70.Kc2 Kg5 71.Kc1 Kf4 72.Kb2 Kg5 73.Kb3 Kf4 74.Ka3 Kg5 75.Kb2 Kf4 76.Kb3 Kg5 77.Ka2 Kf4 78.Ka1 Kg5 79.Kb1 Kf4 80.Kc1 Kg5 81.Kd1 Kf4 82.Ke2 Kg5 83.Ke1 Kf4 84.Kd2 Kg5 85.Kc2 Kf4 86.Kb1 Kg5 87.Ka1 Kf4 88.Ka2 Kg5 89.Ka3 Kh4 90.Kb3 Kg5 91.Kc4 Kh4 92.Kd3 Kg5 93.Ke4 Kh4 94.Kf5 a4 95.g5 a3 96.g6 a2 97.g7 a1Q 98.g8Q Qb1 99.Kf6 Qb2 100.Ke7 Qa3 101.Kd7 Qf3 102.Qd8 Kg4 103.Qb6 Qd5 104.Kc8 Kf5 105.Qc6 Qg8 106.Kc7 Qg3 107.Kb7 Qb3 108.b6 Kg5 109.Kb8 Qg8 110.Qc8 Qd5 111.b7 Qd6= 112.Ka7 Qa3 113.Kb6 Qb4 114.Kc6 Qc4 115.Kd7 Qd4 116.Ke6 Qe4 117.Kd6 Qd4 118.Kc7 Qf4 119.Kd8 Qf8 120.Kd7 Qf5 121.Kd6 Qf4 122.Kd5 Qd2 123.Kc6 Qc3 124.Kb5 Qb3 125.Ka6 Qa3 126.Kb6 Qb3 127.Kc7 Qc4 128.Kd8 Qg8 129.Kc7 Qc4 130.Kb8 Qf4 131.Ka8 Qa4 132.Kb8 Qf4 133.Qc7 Qf8 134.Ka7 Qa3 135.Kb6 Qb3 136.Ka6 Qd3 137.Ka5 Qa3 138.Kb5 Qb3 139.Kc6 Qc3 140.Kd7 Qh3 141.Ke7 Qh7 142.Kd6 Qh2 143.Kc6 Qh1 144.Kc5 Qg1 145.Kb5 Qb1 146.Ka5 Qa1 147.Kb6 Qb1 148.Ka7 Qa1 149.Kb8 Qh8 150.Qc8 Qe5 151.Ka8 Qa5 152.Kb8 Qe5 153.Ka7 Qa5 154.Kb8 Qe5 ½–½. Pierred (2195) – Perepe (2540), Rated game, 5m + 0s, 2005.

7.c4 c6

8.a4 Bd6 9.Qb3 Qd7 10.Ba3 0–0 11.Bd6 Qd6 12.c5 Qe7 13.Ne2 f5 14.g3 g5 15.h4+= Nf7 16.hg5+/– Ng5 17.Nf4 Bf7 18.Be2 Nd7 19.bc6 bc6 20.Qb7 Rfc8 21.Bd1 a5 22.Rb1 Qd8 23.Bc2 Rc7 24.Qb2 Rb8 25.Qc3 Rb1 26.Bb1 Rb7 27.Ke2 Rb4 28.Bc2 Nf6 29.Rb1 Qb8 30.Rb4 ab4 31.Qb2 Qb7 32.Ke1 Nd7 33.Bd1 Ne6 ½–½. Muri – Jankowski, corr ICCF EU–H–GT–98, 1982.

8.a4 Be7 9.Ne2 0–0 10.c5 Qe8 11.Nc3 f5= 12.g3 Rf6 13.Nb3 g5 14.Na5 Qc8 15.Qb3 Bd8 16.Qb4 Qc7 17.Nb3 f4 18.ef4 gf4 19.Ne2 fg3 20.hg3+= Ng4 21.Bh3 Qf7 22.Bg4 Bg4=+ 23.Nf4 Nd7 24.Bc1 Nf8 25.Be3 Ng6 26.Qd2 Bc7=+ 27.Ne2 Rf8 28.0–0–0? cb5 29.ab5 Qe8 30.Nc3–/+ Qd7 31.Rde1 a5 32.Qa2= b6 33.Rh6 Nf4=+ 34.Rf6 Nd3 (34...Nd3 35.Kd2 Rf6=+). Franek,Mieczyslaw – Maciszewski, corr, 1973.

7.Ne2 Bd6

8.c4+= c6 9.Nc3 Bb4 10.a3 Bc3= 11.Bc3 0–0 12.c5 Qd7 13.a4 Qf7 14.Qe2 a6 15.b6 Nd7= 16.0–0–0 Bg4 17.f3 Bh5 18.Qf2 f5 19.Be2 Qe7 20.Qg3 Nf6 21.Rde1 ef3 22.Bf3 (22.Nf3? Ne4 (22...Qe3?! 23.Nd2 Qg3 24.hg3 Be2 25.Re2–+) 23.Qc7 Qc7 24.bc7 Nc3–+) ½–½. Wozniak,Janusz – Graczykowski,Wojciech, corr Poland, 1985.

8.c4 c6 9.Nc3 Bb4 10.Qb3 Bc3 11.Bc3 Qd7 12.Rb1 0–0 (12...dc4 13.Nc4 Bd5 14.Qa3 Bc4 15.Bc4+=) 13.bc6 +/–.

6.Ne2 Bd6

7.Nbc3 Ne7=+ 8.Ng3 c5 9.dc5= Bc5 10.Nge4!+/– Be3 11.Nf6! gf6 12.fe3 Qb6 13.Qh5 Bf7 14.Qf3 Nd7 15.Bd3 Ne5 16.Qf4 N7g6 17.Qd4 Nd3 (18.Qd3 Ne5+/–; 17...Qd4!? 18.ed4 Nd3 19.cd3 Nf4+=). Hottelet,M – Kizewicki,J, corr we cup pr, 1994.

7.c4 a6 8.Qa4 c6 9.Nec3 Bd7 10.bc6 bc6 11.Qb3+/– Qa5? 12.c5+– Bc5 13.dc5 Qc5 14.Nd2 a5 15.Ba3 a4?? 16.Qb8! Rb8 17.Bc5 Ra8 18.a3 Ra5 19.Bb4 Ra7 20.Be2 g6 21.Rb1 Ne7 22.Bc5 Ra8 23.Rb7 h5 24.0–0 Rh7 25.Rfb1 Nc8 26.Bd1 Ra5 27.Na4 Ra6 28.Rb8 Kf7 29.R1b7 Ke6 30.Rc8! Ra5 31.Rf8 Rb5 32.Ra7 Rg7 33.Nb3 (33…Ke5 34.Bd4 Kd6 35.Rf6 Ke7 36.Rc6+–) 1–0. Taulien,Hans_Juergen – Tiedemann,Joern, remoteschach.de, 2002.

7.Nf4 Bf7 =.

7.Ng3 Ne7 8.Be2 0–0 9.0–0 Nd7 10.Nd2 f5 11.c4 c6 12.a4 f4=+ 13.ef4 Bf4 14.Nh5 Bc7 15.bc6 bc6 16.cd5 cd5 17.Qb3 Rb8–/+ 18.Qa2 Nf6 19.Nb3 Nh5–+ 20.Bh5 Ng6 21.Bg6=+ hg6 22.Nc5 Bh3 23.Ne4+= Bf5 24.Nc5 Kh7 25.Bc3 Qg5? 26.Qd5+– Rbd8 27.Qb7 Rf7 28.f4 Qh5 29.Ne4 Bf4 30.Ng5 Qg5+/– 31.Qf7 Be4 32.Qa2 Be3–/+ 33.Kh1 Rc8 34.Rad1 Rc3 35.Rf8 Bd5 36.Qe2 Bf4 37.Rf1? Bd6 0–1. Hageberg,O – Abolins,I, corr NOR–LET, 1997.

7.c4 dc4

8.Nec3 Bb4 9.Nd2 =.

8.Nd2 Ne7 9.Ne4 Nd7 10.N2c3 Bb4 11.Be2 a6 12.ba6 Ra6 13.0–0 Bf7 14.a3 Ba5 15.d5 Bc3 16.Nc3 Nb6 17.e4 0–0 18.Qd4 Nc6+= 19.Qe3 Ne5 20.a4 Ra5 21.Ba3 Re8 22.Bb4 Ra8 23.Rfd1 Qd7 24.a5+– Nc8 25.f4 Ng4 26.Qh3 h5 27.Bc4 Nd6 28.Bd3 Rab8 29.Qg3 b5 30.a6 Nc4 31.a7 Ra8 32.Bc4 bc4 33.Bc5 c6 34.d6 g6 35.h3 Nh6 36.Qh4 Re6 37.Qf2 Kg7 38.Qd4 Ng8 39.Na4 g5 40.Nb6 (40.Nb6 Ra7 41.Nd7 Rd7 42.fg5+–) 1–0. pcmvr (2800) – huimre (2755), net–chess.com, 2007.

8.Nd2 Ne7 9.Ne4 Nd7 10.Nd6 cd6= 11.Nc3 d5 12.Be2 0–0 13.0–0 a6 14.ba6 Ra6 15.a4 Nb6 16.Qc2 Qc7 17.Ba3 Rfa8 18.Bc5 Ng6 19.Rfb1 Nd7 20.Rb5 Ra5 21.Bb4 Rb5 22.Nb5 Qc6 23.Bh5 Nh4 24.g3 Bf5 25.Qd1 Ng6 26.Nd6 Bd3 27.a5 b6 28.Bg4 Ngf8 29.a6+/– g6 30.a7 f5 31.Bf3 Ne6 32.Qa4 Qa4 33.Ra4 Be4 34.Be2 Nc7 35.f3 Bc2 36.Ra2 Bb3 37.Ra1 Nf6 38.Kf2 Bc2 39.Ke1 Nfe8 40.Kd2 Nd6 41.Bd6 Nb5 42.Bb8 Bb3 43.Ra6 g5 44.f4 g4 45.Bf1 h6 46.Kc1+– Na7 47.Ba7 b5 48.Bg2 c3 49.Ra3 Bc4 50.Bc5 Ra3 51.Ba3 Bb3 52.Bb4 c2 53.Kb2 Kf7 54.Ba3 Bc4 55.Kc2 Ke6 56.Bf8 h5 57.Kc3 Kd7 58.Bg7 Ke7 59.Kb4 Kd6 60.Be5 Kc6 61.Bf6 Kd6 62.Bd8 Be2 63.Ba5 Kc6 64.Kc3 Kd6 65.Bb4 Kc6 66.Kd2 Bc4 67.Ke1 Kd7 68.Bf1 Kc6 69.Be2 Kd7 70.Kd2 Ke6 71.Bd3 Kf6 72.Ba5 Ke6 73.Kc3 Bd3 74.Kd3 Kd7 75.Kc3 Kd6 76.Kb4 Kc6 77.Bd8 Kd7 78.Kb5 (78.Kb5 Kd6 79.Bb6+–) 1–0. pcmvr (2800) – huimre (2775), net–chess.com, 2007.

8.Nd2 f5?? 9.d5!+– 1–0. pcmvr (2775) – ppramanik (2450), net–chess.com, 2006.

7.c4 c6

8.Qa4 cb5 9.Qb5+= Qd7 10.Nec3+/– dc4 11.Ne4 Be7 12.Bc4 Bc4 13.Qc4 Nh6 14.Nbc3 Nf7 15.Nd5 0–0? 16.Ba3!!+– Bd8 17.Bf8 Kf8 18.0–0 b5 19.Qb3 a5 20.Nc5 Qe8 21.Nc7! Bc7 22.Ne6 (22.Ne6 Qe6 23.Qe6+–) 1–0. pcmvr (2730) – ilivanov (2545), net–chess.com, 2007.

8.Qa4 dc4 9.Nec3 a6 10.bc6 Nc6 11.d5 +/–.

8.Qa4 dc4 9.Nd2 a6 10.Nc3 =.

8.Qa4 Qd7 9.Nec3 f5 10.bc6 Qc6 11.Nb5 Ke7 12.cd5 Bd5 13.N1c3 Nf6 14.Nd6 Qa4? 15.Nf5+– Ke6 16.Ng7 Kf7 17.Na4 Kg7 18.Nc3 Nc6 19.Nd5 Nd5 20.Bc4 Nce7 21.Ke2 Rac8 22.Bb3 b5 23.f3 a5 24.fe4 a4 25.Bd1 Nc3 26.Kd3 b4 27.Rf1 a3 28.Bc3 Rc3 29.Ke2 Rhc8 30.Rb1 Nc6 31.d5 Ne5 32.Rb4 Rc2 33.Bc2 Rc2 34.Kd1 Ra2 35.Rf5 Nd3 36.Rb7 Kg6 37.Rb6 Kg7 38.d6 Nf2 39.Kc1 Ne4 40.Rb7 Kg6 41.d7 Rd2 42.Ra5 (42.Ra5 Rd6 43.Rb6 Rb6 44.d8Q Rc6 45.Kb1+–) 1–0. pcmvr (2730) – ilivanov (2545), net–chess.com, 2007.

8.Qa4 Bd7 9.Nf4 cb5= 10.cb5 Ne7 11.Be2 0–0 12.0–0 g5 13.Nd5 Nd5=+ 14.Bc4 Bh2 15.Kh2+= Be6 16.Qb3 Qc7? 17.Kg1+– Qf7 18.Nc3 Nc7 19.d5 Bf5 20.f3 ef3 21.Rf3 Bg4 22.Rg3 Bd7 23.Ne4 Qg6 24.d6 Kg7 25.Ng5 (25.Ng5 Ne8 26.Rd1+–) 1–0. pcmvr (2800) – jrichner (2485), net–chess.com, 2007.

8.Qa4 f5 9.c5+= Be7 10.Nf4 Bf7 11.Be2 Nf6 12.Nc3 0–0 13.Rb1 Qc8 14.Bc1 Bd8 15.0–0+= Qd7 16.Kh1 Re8 17.Bd2 Rf8 18.a3 Re8 19.Rb2 Re7 20.Rfb1 Qc8 21.Na2 cb5 22.Qb5 Nc6 23.Qa4 g5 24.Nh3 g4 25.Nf4+/– Rc7 26.Nc3 Re7 27.Be1 Rd7 28.Bb5 Kf8 29.Na2 Ng8 30.Nb4 Nge7 31.Bc3 Kg8 32.Bd2 Kf8 33.Kg1 Ke8 34.Rb3 a6 35.Bf1 Na7 36.Na2 Nac6 37.Nc3 Rb8 38.Nce2 Bc7 39.Ng3 Kf8 40.R3b2 Kg7 41.Qc2 Kh8 42.Qd1 Kg7 43.Nge2 Kg8 44.Qc2 Kf8 45.Qa4 Kg8 46.Nc3 Kh8 47.Qd1 Rd8 48.Nce2 Na5 49.Ba5 Ba5 50.Ng3 Qc6 51.Be2 Bc7 52.Qd2 a5 53.Qc3 b6 54.Bb5 Qf6 55.Ba6 Kg8 56.cb6 Bb6 57.a4 Qd6 58.Qc1 Qf6 59.Rb3 Kh8 60.Qa3 Qd6 61.Qd6 Rd6 62.Be2 Be8 63.Bb5 Bf7 64.Bd7 Rd7 65.Rb6 Rb6 66.Rb6 Ra7 67.Kf1 Kg8 68.Rb8 Kg7 69.Ke1 h6 70.Ngh5 Kh7 71.Rb5 Kh8 72.Kd2 Kg8 73.Rb6 Kh7 74.Nf6 Kg7 75.N4h5 Kg6 76.Kd1 Nc8 77.Nf4 Kg7 78.N6h5 Kh7 79.Rf6 Bh5 80.Nh5 Rb7 81.Ra6 Ra7 82.Ra7 Na7 83.Nf6 Kg6 84.Nd5 Nc8 85.Kc2 Kf7 86.Kc3 Nd6 87.Nb6 Ke6 88.d5 Ke5 89.Nc4 Kd5 90.Nd6 Kd6+– 91.Kc4 Kc6 92.h4 gh3 93.gh3 Kd6 94.Kb5 Kd5 95.Ka5 Kc5 96.Ka6 Kc6 97.a5 Kc7 98.Kb5 Kb7 99.a6 Ka7 100.Ka5 h5 101.h4 (101.h4 Ka8 102.Kb6+–) 1–0. pcmvr (2760) – huimre (2725), net–chess.com, 2007.

8.Qa4 Nh6 9.bc6 Nc6= 10.cd5 Bd5 11.Nec3 Bb4 12.Bb5 0–0 13.0–0 Bc3 14.Nc3 Kh8 15.Nd5 Qd5+= 16.Rac1 Rfc8 17.Rc5 Qd6 18.Ba3 a6 19.Be2 Qd8 20.d5 Ne5 21.Qe4 Rc5 22.Bc5 Qa5 23.f4 Nd7 24.Bd4 Qa2 25.Bd3 Nf8 26.Qf3 Nf7 27.e4 Ng6 28.Qe3 Qa3 29.Bc5 Qa2 30.Bb1 Qc4 31.Rc1 Qa4 32.h4 Nh4 33.Qh3 Ng6 34.e5 f5 35.g3 Nh6 36.Qg2 Rc8 37.Qa2 Qb5 38.Qa3+= Qe2 39.Bf2 Rf8 40.Re1 Qh5 41.Bb6 Qh3 42.e6 Re8 43.Qd3 Ng4 44.Re2= Nf6 45.d6 Qg4 46.Kh1?? Nf8+/– 47.Ba2 Qh5 48.Kg2 Rc8 49.Rc2 Qe8 50.e7 Rc2 51.Qc2 N8d7 52.Bd4 b5 53.Qc7 Qa8 54.Kg1 1–0. pcmvr (2775) – huimre (2705), net–chess.com, 2006.

8.Nec3 Ne7 9.Nd2 0–0 10.Qb3 f5 11.g3 Nd7 12.a4 Nf6 13.Ba3 h6 14.Bd6 Qd6 15.c5 Qd7 16.a5 g5 17.a6+= b6 18.Na4 Rab8 19.Qb2 f4 20.cb6 fe3+= 21.fe3 ab6 22.a7 Qa7= 23.Nc5 Qa1 24.Qa1 bc5 25.dc5 Nf5 26.Qc3 Ng4= 27.Bh3 Nfe3 28.Bg4? Ng2–+ 29.Kd1 (29...Bg4 30.Kc2 Rb5 31.h3–+). Velker – Labahn,Wolfgang, corr ICCF TT–4–90 SF, 1995.

8.c5 Bc7 9.Nbc3 Ne7 10.Qb3 f5 11.a4 0–0 12.Nf4 Bf4 13.ef4 Nd7 14.Ne2 Nf6 15.Qe3 Ng4 16.Qg3 Nf6 17.Nc3 Qc7 18.Be2 Bf7 19.Bc1 Bh5 20.Bh5 Nh5 21.Qg5 Nf6 22.0–0 a6 (22...a6 23.b6 Qd7=; 22...Rae8 23.Re1=). Hasek,Frantisek – Alvarez Villar,Nelson, TT–16 ETC, 2005.

8.c5 Bc7 9.Nbc3 Ne7 10.Qb3 f5 11.Rb1 0–0 12.bc6 Nbc6 13.Qb7 Rb8 14.Qa6 Ba5 15.Nf4 –+.

8.Qa4 Bc7

9.Nbc3 dc4 10.Ng3 a6 11.Bc4 Bc4 12.Qc4 Bg3 13.Qe6 Qe7 14.Qc8 Kf7 15.bc6 Bf2 16.Kf2 bc6 17.Rhc1 +=.

9.Nbc3 Ne7 10.Ba3 0–0 11.bc6 bc6 12.Rc1 Re8 13.cd5+= Nd5 14.Nd5 Bd5 15.Nc3 Ba5 16.Bc4 Bc4 17.Qc4 Qd5 18.Qe2 Qb5 19.Kf1 Bc3 20.Rc3 Nd7 21.Qc4 Qd5 22.Ke2 Nb6 23.Qb3 Kh8 24.Qd5 cd5 25.Rb1 Nc4 26.Rb5 Red8 27.f3 f5 28.Rc4 a6 29.Rbc5 dc4=+ 30.Rf5 ef3 31.gf3 Rab8 32.Rc5 Rdc8 33.Kd2 Rc5–/+ 34.Bc5 Kg8 35.Kc3= Rb1 36.d5 Kf7 37.Kc4= Rb2 38.h3 Rc2 39.Kb4 Ra2 40.e4 Rb2 41.Kc3 Re2 42.Kd4 a5 43.e5 a4 44.e6 Kf6 45.Kc4?? Rc2–+ 46.Kb5 Rc5 47.Kc5 a3 48.Kd6 a2 49.e7 a1Q?? 50.e8Q= Qa3 51.Kc7 Qa7 52.Kd6 Qa3 53.Kc7 Qa7 ½–½. Koehler,J (2145) – Muller,H (2050), OCC–2002–03, 2002.

9.c5 cb5 10.Qb5 Qd7 11.Qd7 Nd7 =.

9.cd5 Qd5 10.Nec3 Qf5 11.Nd2 +=.

9.cd5 Bd5 10.Nbc3 Ne7 11.Ba3 f5 12.Be7 Ke7 13.Rc1 Nd7 14.bc6 Bc6 15.Qb3 Rc8 16.Ng3 Bg3 17.fg3 Nf6 18.Bc4 Ng4 19.d5 Bd7 20.d6 Kf8= 21.Be2 Qg5 22.Qb7 Qe3 23.Qd7 ½–½. Taulien,Hans_Juergen (2350) – Farmer,Walter (2400), remoteschach.de, 2002.

7.Nd2 c6

8.c4 dc4 9.bc6 Nc6 10.Ne4 b5 11.N2c3+/– Bb4 12.Qh5 Bf7 13.Qb5+– Nge7 14.Bc4 0–0 15.Bf7 Rf7 16.0–0 Rb8 17.Qa4 f5? 18.Ng5 Rf6 19.Qb3 Kh8 20.Nf7 Rf7 21.Qf7 Qd6 22.Rab1 Ba5 23.Ba1 Rd8 24.Ne2 Bc7 25.g3 Ng6 26.Rb7 Rc8 27.Re1 Nce7 28.Nf4 Rf8 29.Ng6 Ng6 30.Qc7 Qc7 31.Rc7+– 1–0. Freienstein,Falk – Brunner,Hans, Zuerich op–B, 1981.

8.c4 f5 9.c5+= Bc7 10.Nf4 Bf7 11.h4 Nf6 12.a4 Nbd7 13.Be2 Qe7 14.a5 Bf4 15.ef4 e3 16.fe3 Qe3 17.Qb3 Qb3 18.Nb3+= Ne4? 19.0–0 0–0 20.a6+/– ba6 21.bc6+– Ndf6 22.Ba6 Be6 23.Bb7 Rae8 24.Ra7 Bc8 25.Re1 Ng4 26.Nc1 Ngf2 27.Bc3 h6 28.Ba5 Rf7 29.Ne2 Nd3 30.Rb1 Nf6 31.Ra8 Rff8 32.Rc8 Rc8 33.Bc8 Rc8 34.c7 (34.c7 Kf7 35.Rb8 Rc7 36.Bc7+–) 1–0. MarcosRamos (1780) – henriken (1855), internet, 2007.

7.Nd2 Ne7

8.c4 c6 9.Nc3 f5 10.Rb1 0–0 11.Qb3 Nd7 12.Be2 Rf6 13.Ba3 Bf7 14.bc6 bc6 15.Bd6 Rd6 16.Qa3 Qc7 17.h3 Re8 18.0–0 Rf6 19.Kh1 Nb6 20.c5 Nd7 21.Ba6 Rb8 22.Rb8 Nb8 23.Rb1 f4 24.Rb7 Qd8 25.Be2 fe3 26.Qa7 ed2 27.Rb8 Nc8+/– 28.Ba6 Be6 29.Qa8 Rf8 30.Qc6 Qf6 31.Bc8 Bc8 32.Qf6 Rf6 33.Rc8 Kf7 34.Kg1 Ra6 35.Kf1 Ra3 36.Rc7 Ke6 37.Nd1 (37.Nd1 Ra2 38.Rg7+–) 1–0. Cetwinski,Olgierd (2210) – Kolanowski,Marek (2000), corr Poland–ch42/43 sf3, 1998.

8.c4 c6 9.bc6 bc6 10.Nc3 0–0 11.c5 Bc7 12.Rb1 f5 13.Be2 f4=+ 14.ef4 Bf4 15.Nb3 e3 16.fe3 Be3 17.Rf1 Nf5 18.Qd3 Nd4 19.Rf8 Qf8 20.Nd4 Qf2 21.Kd1 Bd4 ½–½. Woschkat,Karl_Heinz – Luckow,Rolf, DESC, 1999.

7.Nf4 Bf4

8.ef4 Qd6 9.Qc1 Nd7 10.Be2 Ne7 (10...0–0–0 11.Qe3=+) 11.Ba3= Qb6 12.c3 Nf5 13.0–0 0–0–0 14.Nd2 e3 (14...Nd6 15.Qb2=+).

8.ef4 Ne7 =.

8.ef4 Nh6 =.

6.Ne2 Bg4

7.c4 c6 8.cd5 cd5 9.Nd2 Ne7 10.Rc1 Nd7 11.f3 ef3 12.gf3 Bf5 13.e4 de4 14.fe4 Be6 15.Nf4 +=.

7.c4 dc4

8.Qc2 Qd5 9.Nec3 Bb4 (9...Qe6!?+=) 10.Nd2 +/–.

8.Qc2 f5 9.Nf4 Nf6 (9...a6 10.Ne6 Qd7 11.Nf8 Kf8 12.ba6+=) 10.h3 +=.

7.h3 Bh5

8.c4 dc4 9.Qc2 =.

6.Nh3 Bb4

7.Bc3 Bd6 8.Nf4 Bf4 9.ef4 Ne7 10.Qh5 Bf7 11.Qg4 0–0 12.Bb4 a6 13.Nd2 Re8 14.Nb3 Qd7 15.Qd7 Nd7 16.ba6 ba6 17.Rb1 Nf5 18.a3 Reb8 19.Rd1 Bh5 20.Rc1 c6 21.h3 Bg6 22.g4 Nh4 23.Bd6 Nf3 24.Ke2 Rb7 25.f5 Bf7 26.Ke3 a5 27.a4 Kh8 28.Be2 +/–.

7.Nd2 Bd2 8.Kd2 Qd7 9.Nf4 a6 10.Ne6 Qe6 11.Qh5 g6 12.Qh4 c6 13.ba6 Na6 14.f3 b5 15.a4 Nc7 16.fe4 de4 17.Qg3 +=.

7.Nd2 Bd6 8.c4 c6 9.bc6 bc6 10.c5 Bc7 11.Nf4 Bf4 12.ef4 Ne7 13.Qh5 g6 14.Qd1 Qc7 15.Qb3 =.

7.Nd2 Qd7

8.Nf4 Bf7 9.Be2 g5 10.c3 Bd6 11.Nh5 Kd8 12.c4 dc4 13.Qa4 (13.Ne4 Qb5 14.Rb1 Qd5 15.Nd6 Qa5 16.Qd2 Qd2 17.Kd2 cd6=) 13...c6 14.bc6 Nc6 15.Ne4 b5 16.Qc2 (better is 16.Qb5!? Rb8 17.Nhf6 Rb5 18.Nd7 Bb4 19.Kf1 Kd7 20.d5 Bd5 21.Rd1+=) 16...Bg6 17.d5 (17.0–0!?=) 17...Nb4 –/+.

8.Nf4 Bg4 9.Be2 Be2 10.Qe2 Bd2 11.Kd2 g5 12.Nh5 a6 13.a4 Qf7 14.Qg4 Nd7 =+.

8.Nf4 Bg4 9.Be2 Be2 10.Qe2 Bd2 11.Kd2 g5 12.Nh5 a6 13.a4 Qf7 14.h4 Nd7 15.hg5 fg5 16.ba6 Ra6 =+.

6.Nh3 Bd6

7.c4 dc4 8.Qc2 Bb4 (8...Bh3 9.Qe4 Qe7 10.Qe7 Ke7 11.gh3+=) 9.Bc3= Qe7 (9...Bc3!? 10.Nc3 f5=) 10.Qe4 +=.

7.c4 c6 8.Qa4 Bd7 9.c5 Be7 10.Nf4 Nh6 11.Nc3 g5 12.Nh5 Bg4 13.Ng3 Nf5 14.Nge4 de4 15.bc6 bc6 16.h3 Ne3 17.fe3 Be6 18.d5 Bd5 19.0–0–0 0–0 20.Nd5 cd5 21.Rd5 Qc7 22.Qe4 1–0. rcm06 (2200) – onny555 (1905), gameknot.com, 2014.

7.Nf4 Bf4 8.ef4 Ne7 9.Be2 0–0 10.0–0 a6 11.ba6 Na6 12.Qd2 Nf5 13.Nc3 b6= 14.a4 Nb8 15.Rfe1 Qd7 16.Nb5 c6=+ 17.Nc3 Qc7 18.Ba3 Rc8 19.g4 Nd6 20.f5 Bf7 21.Qf4 c5=+ 22.dc5 bc5 23.Red1 d4 24.Bc1 Qe7 25.Nb5 Nb5 26.Bb5 Nc6 27.Bd2 Qe5 28.Re1 Qf4=+ 29.Bf4 Bd5 30.Red1 g5 31.Bd6 c4 32.Kf1 d3 33.c3 Kg7 34.Re1 h5–/+ 35.gh5 Rh8 36.Bc6 Bc6 37.a5 Rh5 38.f3 Rd8 39.Bc7 Rd7 40.Bg3 d2 41.Red1–+ e3 42.Ke2 Rd3 43.a6 Rh8 44.a7 Re8 45.Bb8 Rc3 46.a8Q? Ba8 47.Ra8 Rc1! 48.Rd2 ed2 49.Kd2 Rf1 50.Kc3 Kh8 51.Kc4 Rd1 52.Kc3 Rc8 53.Kb2 Rd5 54.Ka2 Rb5 (54...Rb5 55.h3 Rf5–+) 0–1. Van Rooijen,Peter (1855) – Herzog,Klaus (1990), remoteschach.de, 2005.

7.Ba3 Ne7

8.Bd6 Qd6 9.Nf4 Qb6 10.c4 f5 11.cd5 Bd5 12.Nd5 Nd5 13.Bc4 Qd6 14.Qb3 Nf6 +=.

8.Bd6 Qd6 9.Nf4 Nd7 10.c4 dc4 11.Ne6 Qe6 12.Qc2 Nb6 13.Nd2 f5 14.Nc4 Nd7 15.Be2 =.

6.Nh3 Nh6

7.Nc3 Bb4 8.a3 Ba5 (8...Bg4!? 9.Be2 Bc3 10.Bc3 Bh3 11.gh3 Nf5=+) 9.Nf4 =.

7.Nc3 Bg4 8.f3 Bh3 9.gh3 =+.

7.Nd2 Bd6 8.Be2 0–0 9.Nf4 Bf4 10.ef4 Qd6 11.g3 Nd7 12.a4 Rfe8 13.Ba3 Qb6 14.Nb3 Bh3 15.Nc5 Nc5 16.Bc5 Qe6 17.Qc1 Bg2 18.Rg1 Qh3 19.Qd2 (19.Qe3 Qh2 20.Kd2 Nf5–+) 19...Nf5 20.0–0–0 a6 21.g4 Nh4 22.g5 ab5 23.gf6 ba4 24.fg7 a3 25.Bh5 Nf3 26.Bf3 Bf3 27.Rde1 Qh6 28.Qe3 –/+.

7.Nf4!? Bf5 8.Nc3 =.

7.Nd2 Bg4=+

8.Be2 Bh3 9.gh3 c6 10.c4 Bb4 11.a3 Bd2 12.Qd2 0–0 13.a4 Nd7 14.Ba3 =.

8.Be2 Bh3 9.gh3 Qd7 10.c4 Qh3 11.Bf1 (11.cd5 Bb4=) 11...Qh4 =+.

7.Nf4!? Bg4

8.Qd2 g5 =+.

8.Be2 Be2 9.Qe2 =.

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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)
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  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
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