(798) C57 [C57]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 [4...Bc5 5.Nxf7 (5.d4 d5 6.Bxd5 (6.dxc5 dxc4 7.Qxd8+ Nxd8 8.Na3 Ne6 9.Nb5 Nxg5 10.Bxg5 Nxe4 11.Nxc7+ Kd7 12.Nxa8 Nxg5 13.0-0-0+ Kc6 14.Rd6+ Kxc5 15.Rhd1 Ne6 16.R1d5+ Kb4 17.a3+ Ka4 18.Rb6! a5 19.Rb4++- Wanke-Hennig corr 1985) 6...Nxd4 7.Bxf7+ (7.Nxf7 Qe7 8.Nxh8 Bg4 9.f3 (9.Bf7+ Kf8 10.f3 Nxe4 11.fxg4 Qh4+ 12.g3 Nxg3 13.Bg5 Qxg5 14.hxg3 Qe3+ 15.Kf1 Nf5-+ Karlsen-Nordby corr 1984) 9...Nxd5 10.fxg4 (10.h4 Nf4 (10...Nb4 11.Na3 h6 12.c3 0-0-0 13.fxg4 Ndc2+ 14.Nxc2 Rxd1+ 15.Kxd1 Qd7+ 16.Bd2 Qxg4+ 17.Kc1 Nd3+ 18.Kb1 Qxg2 19.Rd1 Qe2-+ Szabo-Lehmann corr 1984) 11.Bxf4 exf4 12.Kf1 Be6 13.Nd2 0-0-0 14.b3 Rxh8-+ Simon-Glertz corr 1981) 10...Qh4+ 11.Kd2 Qf2+ 12.Kd3 Nb4+ 13.Kc3 0-0-0 14.Nd2 Qe3+ 15.Kc4 b5+ 16.Kxc5 Na6#-+ Alvarsson-Jonsson corr 1980) 7...Ke7 8.Bc4 b5 (8...Rf8 9.c3 Nc6 10.Qxd8+ Kxd8 11.f3 Ke7 12.h4 h6 13.Nh3 a5 14.a4 Nh5 15.b3 Nd8 16.Ba3 Bxa3 17.Nxa3 c6 18.0-0-0 Ng3 19.Rh2 Ne6 20.Nf2 Nf4 21.Nd3+/= Rudnick-Fechner corr 1983) 9.Bd3 Rf8 (9...h6 10.c3 hxg5 11.cxd4 Bxd4 12.Nc3 c6 13.Bxg5 Kf7 14.h4 Qb6 15.Rf1 Ng4 16.Qe2 Nh2 17.Rh1 Ng4 18.Nd1 Qa5+ 19.Bd2 Qd8 20.h5 Be6© Micheel-Otte corr 1987) 10.Be3 h6 11.Nf3 Bg4 12.Nbd2 Qd6© ; 5.Bxf7+ Ke7 6.Bd5 (6.Bb3 Rf8 (6...d6 7.Nc3 Ng4 8.Rf1 Rf8 9.f4 Nxh2 10.Qh5 Nxf1 11.Nd5+ Kd7 12.Ne6 Kxe6 13.Qg4+ Kf7 14.Nxc7+ d5 15.Bxd5+ Qxd5 16.Qh5+ Kg8 17.exd5 Rxf4 18.d4 Bg4 19.Bxf4 Bxh5 20.Nxa8+/- Metsemakers-vanEljk corr 1985) 7.0-0 h6 (7...d6 8.Nc3 Qe8 (8...h6 9.Nd5+ Ke8 10.Nxf6+ Qxf6 11.Nh7 Qh4 12.Nxf8 Bg4 13.Qe1 Nd4 14.d3 Bf3 15.h3 Nxc2-+ Haag-Juhl corr 1981; 8...Bg4 9.Nd5+ Ke8 10.Nxf6+ gxf6 11.Qxg4 fxg5 12.Qh5+ Kd7 13.Qxh7+ Kc8 14.Qh3+ Kb8 15.c3 Qf6 16.Qg3+- o'Rorke-Roebuck corr 1981) 9.Nd5+ Kd8 10.c3 (10.Nxf6 Rxf6 11.Nxh7 Rg6 12.d3 Bg4 13.Qd2 Nd4 14.Ng5 Qd7 15.Kh1 Ne2 16.Be6 Rxe6 17.Nxe6+ Qxe6 18.f3 Ng3+ 19.hxg3 Kd7 20.Rf2 Rh8+ 21.Kg1 Bxf3 22.g4 Qxg4 23.Qg5 Bxf2+ 24.Kxf2 Rh1 25.Qxg4+ Bxg4 26.b3=/+ Nielebock-Knapp corr 1986) 10...h6 (10...Qg6 11.d4 exd4 12.Nf4 Qe8 13.Nge6+ Bxe6 14.Nxe6+ Kd7 15.cxd4+- Hentzgen-Schwieger corr 1981) 11.d4 exd4 12.e5 Nxd5 13.Bxd5 dxe5 14.Ne4 Bb6 15.cxd4 Nxd4 16.Be3 c6 17.Bc4 Qg6 18.Ng3 Kc7 19.Bd3 Qg4 20.f3 Qh4 21.Kh1 Bd7 22.a4= Porreca-Balba corr 1983) 8.Nf3 d6 9.h3 Qe8 10.d3 (10.Nc3 g5 11.d3 Qg6 12.Qd2 Nh5 13.Nd5+ Kd8-/+ vdLinden-Markus corr 1985 14.h4 ) 10...Qh5 11.Nc3 (11.Nh2 Qg6 12.Kh1 Nh5 13.Qe1 Bxh3 14.gxh3 Bxf2 15.Rxf2 Ng3+ 16.Kg1 Rxf2 17.Qxf2 Rf8 18.Qg2 Nd4 19.Nc3 Nde2+= Kohler-Schenk corr 1987) 11...g5 12.Nxg5 hxg5 13.Nd5+ Kd8 14.Qxh5 Nxh5 15.Bxg5+ Kd7 16.g4 Ng3 17.Nf6+ Rxf6 18.Bxf6 Nxf1 19.Rxf1 Nd4N Hentzgen-Walther corr 1983; 6.b4 Nxb4 7.d4 Bxd4 8.c3 Bc5 9.cxb4 Bd4 10.Bb3 Rf8 11.f4 d6 12.fxe5 Bxe5 13.Nf7 Rxf7 14.Bxf7 Bxa1 15.Bc4 Bg4 16.Qd3 Qe8 17.Be3 Qg6 18.0-0 Be5 19.Qc2 Bd7 20.Bf4 Bc6 21.Bd3 Bd4+ 22.Kh1 Kd7-/+ Schmidt-Augustat corr 1981) 6...Rf8 (6...Qf8 7.Nc3 Bxf2+ 8.Kf1 g6 9.Nf3 g5 10.Kxf2 g4 11.h3 gxf3 12.gxf3 Qh6 13.Qg1 Nd4 14.Bb3 Rf8 15.Qg2 Nxf3 16.d3 Qh4+ 17.Qg3 Ng4+ 18.hxg4 Qxh1-+ Kullk-Kruchkow corr 1980; 6...h6 7.Nf7 Qe8 8.Nxh8 Nb4 9.Nf7 d6 10.Nxe5 dxe5 11.Nc3 Qg6 12.0-0 Bg4 13.Ne2 Bh3 14.Ng3 Bg4 15.Ne2 Nfxd5 16.c3 Nf4 17.Nxf4 exf4 18.Qb3 Bh3-+ Grube-Ziems corr 1987; 6...d6 7.c3 (7.Nf7 Qe8 8.h3 Nxd5 9.Qf3 Nd4 10.Qd1 Qxf7-+ Eichhorn-Klose corr 1981) 7...Qf8 (7...Rf8 8.d4 exd4 9.Bxc6 bxc6 10.0-0 Bg4 11.Qd3 h6 12.cxd4 Bb6 13.h3 Bh5 14.e5 dxe5 15.Qf5 Qxd4 16.Qe6+ Kd8 17.Qxc6+/= Bohak-Elckhoff corr 1984) 8.d4 exd4 9.Bxc6 Ng4 10.Qf3 dxc3 11.Ba4 cxb2 12.Qxf8+ Rxf8 13.Bxb2 Rxf2 14.Bxg7 Rxg2 15.h3 Ne3 16.h4 d5 17.Nc3 Bb4 18.Bd1 Bg4 19.Bxg4 Nxg4 20.0-0-0+- Bellas-Fulop corr 1986) 7.0-0 (7.0-0 d6 8.h3 Qe8 9.c3 Qg6 10.d4 Bb6 11.f4 exf4!? 12.Bxf4 h6 13.Nf3 Nxd5 14.Nh4 (14.exd5 Rxf4 15.dxc6 bxc6 16.Qe2+ Qe6? (16...Be6!=/+ ) 17.Qf2 Qf7 18.Nbd2 Bd7 19.Qe3+ Kd8 20.Nc4~~ Van de Wynkele-Schiessi,corr 1979/80) 14...Qxe4 15.Re1 Rxf4 16.Rxe4+ Rxe4 17.Nd2 Re6 18.Qh5 Nf6 19.Nf5+ Kf8 20.Qg6 Ne8 21.Qh7 Rf6 22.Nh4 d5 23.Re1 Be6=/+ Thorn Leeson-Roos,corr 1979/80; 7.Nf3 Qe8 8.c3 Qh5 9.0-0 d6 10.d4+/= Stein-Kristiansen,Gausdal 1978) 7...d6 8.c3 (8.h3 Qe8 9.c3 Qg6 10.Re1 (10.d4 exd4 (10...Bb6 11.f4 exd4 12.Kh2 h6 13.Nf3 Qh5 14.cxd4 Bg4 15.Bxc6 bxc6 16.Kg1 Bxf3 17.Rxf3 Nxe4 18.Qe2 d5 19.Be3-/+ Firi-Herrberg corr 1988) 11.b4 Bb6 12.Bxc6 bxc6 13.cxd4 h6 14.e5 dxe5 15.dxe5 Nh5 16.b5 Nf4 17.Ba3+ Ke8 18.Bxf8 Qxg5 19.Qf3 Bxh3-+ Boszhammer-frehen corr 1980) 10...h6 11.Nf3 Bxh3 12.Nh4 Qg3 13.Qf3 Qxh4 14.gxh3 Nh5-+ Muller-Ballmann corr 1984; 8.Bxc6 Bg4 9.Nf3 bxc6 10.c3 Nxe4 11.d4 Bb6 12.Re1 d5 13.Qd3 Qd6 14.Nxe5 Qxe5! 15.dxe5 Bxf2+ 16.Kh1 Bxe1 17.Be3 Rf2 18.Qa6 Raf8 19.Bxf2 Rxf2 20.Nd2 Bxd2 21.Qxc6 Be3 22.Qxd5=/+ Bataveljlc-Petek corr 1982) 8...Bg4 9.Qb3 (9.Qa4 h6 10.d4 Bb6 11.h3 Bd7 12.Ne6 Nxd4 13.cxd4 Bxa4 14.Nxd8 Nxd5 15.exd5 Raxd8 16.dxe5 Bb5 17.exd6+ Kxd6 18.Rd1 Rxf2 19.Nc3 Kd7 20.Kh2 Bf1 21.Rd2 Rdf8-/+ Ullrich-Lauckner corr 1987) 9...h6 10.d4 Bb6 11.h3 Na5 (11...Qd7 12.hxg4 hxg5 13.Bxc6 bxc6 14.Qd1 Qxg4 15.Qxg4 Nxg4 16.Bxg5+ Kd7 17.a4 a5 18.Na3 exd4 19.Nc4 Ba7 20.Bh4=/+ Svendsen-Leisebein corr 1987) 12.Qc2 hxg5 13.hxg4 c6 14.b4 cxd5 15.bxa5 Bxa5 16.exd5+/- ) 5...Bxf2+ 6.Kxf2 (6.Kf1 Qe7 7.Nxh8 d5 8.exd5 (8.Qf3 Bh4 9.Bb5 Bg4 10.Qa3 Nxe4 11.Qxe7+ Kxe7 12.g3 Rf8+ 13.Kg1 Nd4 14.h3 Rf2-+ Moreno Gea-Ingles Manso corr 1981) 8...Nd4 (8...Bg4 9.Be2 (9.d6 Qxd6 10.Nf7 Qd4 11.Be2 Bh4 12.g3 Ne4 13.Qe1 Bxg3 14.hxg3 Nxg3+ 15.Qxg3 Bxe2+ 16.Kxe2 Qe4+ 17.Kf2 Qxh1 18.Qxg7 Nd4 19.Nxe5 Qh2+ 20.Qg2 Qxe5 21.Nc3 0-0-0 22.d3 Rf8+ 23.Kg1 Qe1+-+ Velthofer-Minnecker corr 1984) 9...Bxe2+ 10.Kxe2! (10.Qxe2 Nd4 11.Qxf2 (11.Qd1 0-0-0 12.g3 Qc5 13.Nc3 Rf8 14.Kg2 Nxd5 15.Ne4?! Qc6-/+ Muller-Leisebein,corr 1983) 11...0-0-0 12.g3 Rf8 13.Kg2 Ne4 14.Qe3 Rf2+ 15.Qxf2 Nxf2 16.Kxf2 Qf6+ 17.Kg1 Qf3 18.Nc3 Nxc2 19.Rb1 Ne1-+ Velthofer-Schumann corr 1981) 10...Nd4+ 11.Kxf2 Ne4+ 12.Ke3 Qg5+ 13.Kxe4 Qxg2+ 14.Kd3 Qh3+ 15.Kc4 b5+ 16.Kc5 0-0-0 17.Rg1 Qd7 18.Qg4 Nf5 19.Nc3 Kb7 20.Qb4 a6 21.Nf7 Qe7+ 22.d6 Rxd6-+ Kristiansen-Rinde corr 1983) 9.d6 (9.c3 Bg4 10.Qa4+ Nd7 11.Kxf2 Qh4+ 12.g3 (12.Kf1 0-0-0 13.d6 Rf8+ 14.Nf7 Rxf7+ 15.Bxf7 Be2+-+ Kunze-Muller corr 1984) 12...Qf6+ 13.Ke1 Qf5 14.cxd4 Qe4+ 15.Kf2 Qf3+ 16.Ke1 Qxh1+ 17.Bf1 Qe4+ 18.Kf2 0-0-0 19.d3 Rf8+ 20.Bf4 Qf3+-+ vdAart-vdRiet corr 1981; 9.h3 Bh4 (9...Bg3 10.d3 Qf8 11.Nd2 Ne4+ 12.Nf3 Nf2 13.Qd2 Nxf3 14.Qe2 Nh4 15.Kg1 Nxh1 16.Kxh1 Qxh8 17.Bg5 Nf5-+ Bellas-Sobolewski corr 1987) 10.c3 Nf5 11.d4 Ne4 12.Qa4+ Bd7 13.Bb5 exd4 14.Bxd7+ Kf8 15.Bd2 Neg3+ 16.Kg1 Ne2+ 17.Kf1 Nfg3+ 18.Ke1 Nxc3+-+ Ballman-Knapp corr 1984) 9...cxd6 10.c3 Bg4 11.Qa4+ (11.cxd4 Bxd1 12.Kxf2 Ne4+ 13.Ke1 Bh5 14.Bb5+ Kf8 15.Rf1+ Kg8 16.Be2 Bxe2 17.Kxe2 exd4-+ Schmidt-Lietz corr 1984) 11...Nd7 (11...Kf8 12.cxd4 exd4 13.Kxf2 Ne4+ 14.Kg1 Qh4 15.h3 Qf2+ 16.Kh2 Qg3+ 17.Kg1 Bf3 18.Bf1 Ng5 19.Qd7 Bxg2 20.Qf5+ Kg8 21.Bxg2 Re8-+ Englelhardt-Eckmann corr 1983) 12.Nf7 Qf6= ) 6...Nxe4+ 7.Ke3 (7.Kg1 Qh4 8.g3 (8.Qf1 Rf8 9.d3 (9.g3 Qe7 10.d4 d5 11.Bxd5 Nxd4 12.Bxe4 Rxf7 13.Qg2 Qc5 14.Be3 Bh3 15.Qxh3 Nf3+ 16.Kg2 Qxe3 17.Qe6+ Kf8 18.Bxf3 Qxf3+-+ Klein-Schmidt corr 1980) 9...Nd6 10.Nxd6+ cxd6 11.Qe2 Nd4 12.Qd2 Qg4-+ Lelta-Berglund corr 1983) 8...Nxg3 9.Nxh8 (9.hxg3 Qxg3+ 10.Kf1 Rf8 11.Qh5 d5 12.Bxd5 Nd4 (12...Nb4 13.Bc4 b5 14.Bb3 Nxc2 15.d4 Nxa1 16.Bd5 Bb7 17.Rh3 Qxh3+ 18.Qxh3 Bxd5 19.Qh5 Rxf7+ 20.Kg1 0-0-0-+ Minte-Wanke corr 1980) 13.Qh2 Qg4 14.Qxe5+ Be6 15.Bxe6 Qf3+ 16.Kg1 Ne2+ 17.Kh2 Qf2+ 18.Kh3 Qf3+ 19.Kh4 Qf2+ 20.Kh5 Rxf7 21.Bxf7+ Kxf7 22.Rh2 Qf3+ 23.Kh4 g5+ 24.Qxg5 Rg8 25.Qh5+ Qxh5+ 26.Kxh5 Ng3+ 27.Kh4 Nf5+= Tsjltatjell-Tal corr) 9...d5 (9...Nd4 10.hxg3 Qxg3+ 11.Kf1 Qf4+ 12.Kg2 Qg5+ 13.Kh3 d5+ 14.Kh2 Qf4+ 15.Kg2 Qe4+ 16.Kg1 Nf3+ 17.Kf1 Nxd2+ 18.Qxd2 Qxh1+ 19.Kf2 Qh4+ 20.Kg1 d4 21.Qg5+- Wolff-Banscher corr 1981) 10.Qf3 Nf5 (10...Qd4+ 11.Kg2 Nf5 12.Qh5+ g6 13.Qxh7 Nh4+ 14.Kf1 Bh3+ 15.Ke1 Qe4+ 16.Be2 Qxh1+-+ Munch-Junghans corr 1981) 11.Bb5 (11.Qxd5 Qg4+ 12.Kf1 Nd6 13.d3 Nd4 14.Qxe5+ Be6 15.Bxe6 Qf3+ 16.Ke1 Qxh1+ 17.Kf2 Qf3+ 18.Ke1 Qh1+= Ebert-Forster corr 1981) 11...Be6 12.Bxc6+ bxc6 13.Nc3 0-0-0 14.d3 Rxh8 15.Bd2 Nd4 16.Qg3 Rf8 17.Qxh4 Nf3+ 18.Kf2 Nxh4+ 19.Ke1 Bg4 20.Be3 d4 21.Bxd4 Nf3+ 22.Kf2 Nxd4+ 23.Kg3-/+ Beruk-Leisebein corr 1988) 7...Qe7 (7...Qh4 8.g3 (8.Qf3 Ng5 9.Nxg5 Qxg5+ 10.Kd3 d5 11.Bxd5 Bf5+ 12.Kc3 Qf6 13.Bxc6+ bxc6 14.Qe2 0-0-0 15.d3 e4+ 16.Kd2 exd3 17.cxd3 Rhe8 18.Qf3 Rxd3+-+ Braskin-Rohmelsz corr 1987) 8...Nxg3 9.hxg3 Qd4+ 10.Kf3 d5 11.Rh4 e4+ 12.Kg2 0-0 (12...Rf8 13.Qh5 Rxf7 14.Rf4! Be6 15.Be2 g6 16.Qh4+- Estrin) 13.Qh5 (13.Rf4!? dxc4 (13...Qxc4 14.Na3 Qc5 15.Qh5 g6 16.Qh6 Be6 17.Ng5+- Van der Tak) 14.Qf1 Rxf7 15.Rxf7 Bg4 16.Nc3! Ne5 17.Qf2! Bf3+ 18.Rxf3 exf3+ 19.Kg1 Qd7 20.d4 cxd3 21.Bf4 Ng6 22.Qxf3 dxc2 23.Rc1 Nxf4 24.Qxf4 Rf8 25.Qc4+ Kh8 26.Rxc2 c6 27.Qc5 Rf5 28.Rf2+- Oleksenko-Malksirtis,corr 1984) 13...Be6 14.c3? (14.Bb3!?~~ ) 14...Qxc4 15.b3 Qd3-+ ) 8.c3 (8.Nxh8 d5 9.Bxd5 (9.Qh5+ g6 10.Nxg6 Qc5+ 11.Ke2 Qf2+ 12.Kd1 Nf6 13.Rf1+- Van de Loo) 9...Qc5+ 10.d4 Qxd5 11.Qh5+ g6 12.Qxh7 Qxd4+ 13.Kf3 Qf2+ 14.Kxe4 Bf5+ 15.Kd5 Qd4#-+ Rehfeld-Schnelder corr 1986; 8.Kxe4 Qh4+ 9.g4 d5+ 10.Bxd5 Bxg4-+ ) 8...d5 (8...Qc5+?! 9.d4 Qxc4!? (9...exd4+ 10.cxd4 Qe7 11.Re1 Nc3+ 12.Kd2 Nxd1 13.Rxe7+ Nxe7 14.Nxh8 Nf2 15.Nc3 d6 16.h3 Nh1 17.Nb5 Kd7 18.Nf7 a6 19.Nc3+- Reprintsev-Filipov,corr 1979) 10.Nxh8 Nf6 11.Na3 Qg8N Filipov-Slaidinsh,corr 1980; 8...Rf8?! 9.Kxe4 d5+ 10.Bxd5 Qh4+ 11.Kd3 Bf5+ 12.Ke2 Bg4+ 13.Bf3 e4 14.Bxg4 (14.Qe1!?~~ ) 14...Rxf7 15.g3 Qxg4+ 16.Ke1 Qf5 17.Qe2 Ne5 18.Kd1 0-0-0?! (18...Nd3! 19.Kc2 0-0-0-+ ) 19.c4 e3 20.Nc3 Nd3 21.Rg1 Re7~~ Reprintsev-Matveenko,corr 1980; 8...Nd4 9.Kxe4 Qh4+ 10.Ke3 Qf4+ 11.Kd3 d5 12.Bxd5 Bf5+ 13.Kc4 b5+ 14.Kc5 Qh4 15.Nxe5 0-0-0 16.c4 Rxd5+ 17.cxd5 Rd8 18.Nc3 Nc6 19.Qa4! bxa4 (19...Qe7+ 20.Kxb5 Qxe5 21.Qc4 Nd4+ 22.Ka4 Bd7+ 23.Ka5 Nc6+ 24.Ka6 Nb8+ 25.Kxa7~~ Van de Loo) 20.Nxc6 Bd3 21.b3~~ Van de Loo) 9.Bxd5 Qc5+ 10.d4 (10.Kxe4!? Bf5+!? 11.Kxf5 Qxd5 12.Nxh8 Ne7+ 13.Kg5 Qxg2+ 14.Qg4 Qxh1 15.Qh5+ g6~~ Filipov) 10...Qxd5 11.Nxe5 (11.Nxh8 exd4+ 12.cxd4 Bg4! 13.Qxg4 Qxd4+-+ Van der Tak) 11...Nf6 (11...Nxe5? 12.Qh5++- ; 11...0-0?! 12.Qb3 Qxb3 13.axb3 Nxe5 14.dxe5~~ ) 12.Nxc6 Qe4+ 13.Kf2 Ng4+ 14.Kg1 0-0 15.h3 Nf2 16.Nd2 Qxc6-+ Zulko-Bonsov corr 1983]

5.exd5 Nd4 [5...b5 6.Bf1 (6.Bxb5 Qxd5 7.Bxc6+ Qxc6 8.Qf3 e4 9.Qb3 Bc5 10.Qxf7+ Kd8 11.0-0 Rf8 (11...h6 12.Qxg7 Rg8 13.Qxh6 Bb7 14.Kh1 e3 15.f3 e2 16.Re1 Ne4 17.fxe4 Qxh6-+ Lens-Leeners corr 1984) 12.Qb3 Ng4 13.d4 Bxd4 14.Rd1 Qd6 15.Nxe4 Qxh2+ 16.Kf1 Ba6+ 17.c4 c5 18.Bg5+ Kc8 19.Rxd4 Qh1+ 20.Ke2 Qxg2 21.Be3 cxd4 22.Qb4 Rxf2+ 23.Nxf2 dxe3-+ Essegern-Brauer corr 1981) 6...Nxd5 (6...Nd4 7.c3 h6 8.cxd4 hxg5 9.dxe5 Nxd5 10.Bxb5+ Bd7 11.Bxd7+ Qxd7 12.Nc3 Nf4 13.d4 Nxg2+ 14.Kf1 Qh3 15.Qa4+ Kd8 16.Qc6 Nf4+ 17.Ke1 Rb8 18.Bxf4 gxf4 19.Nd5 Bb4+ 20.Nxb4 Rxb4 21.Rc1 Qd7 22.Qa8+ Qc8 23.Qd5+= Hentzgen-Preusner corr 1984; 6...h6 7.Nf3 Qxd5 8.Nc3 Qe6 9.Bxb5 (9.Nxb5 Qe7 10.d3 Bb7 11.Be2 0-0-0 12.0-0 e4 13.Nd2 Qe5 14.dxe4 Nxe4 15.Bf3 Nxf2 16.Qe2 Nh3+ 17.gxh3 Bc5+ 18.Kg2 Qxe2+ 19.Bxe2 Nd4+=/+ Degraeve-Flear, Trophe Capelle la Grande 1994) 9...Bb7 10.d3 0-0-0 11.Qe2 Qg4 12.Bxc6 Bxc6 13.Rg1 e4 14.Ne5 Qe6 15.Nxc6 Qxc6 16.Be3 Bb4 17.Kf1 Bxc3 18.bxc3 Qxc3 19.Rd1 exd3 20.cxd3 Rhe8=/+ Hentzgen-Heinsohn corr 1984) 7.Bxb5 Bb7 8.d4 f6 9.0-0 Qd7 (9...fxg5 10.c4 a6 11.cxd5 Qxd5 12.Nc3 Qxd4 13.Ba4 Qxd1 14.Rxd1 Bc5 15.Ne4 Bb6 16.Be3 0-0 17.Bxb6 cxb6 18.Bb3+ Kh8 19.Nxg5+- den Broeder-vdVen 1979) 10.c4 Nb6 11.d5 fxg5 12.dxc6 Bxc6 13.Qh5++/- ; 5...Bg4 6.Nxf7 Qe7 7.d6 cxd6 8.f3 Rg8 9.Nxd6+ Qxd6 10.fxg4 Rh8 11.d3 Qc5 12.g5+/- ; 5...Nxd5 6.d4 (6.Nxf7 Kxf7 7.Qf3+ Ke6 8.Nc3 Nce7 (8...Ncb4 9.Qe4 (9.0-0 c6 10.Nxd5 cxd5 11.Bb3 Qf6 12.Qe4 Qf4 13.Qe2~~ Kunze-Ollek corr 1984) 9...c6 10.a3 Na6 11.d4 Nac7 12.Bf4 Kf7 13.Bxe5 Be6~~ ) 9.d4 c6 10.Bg5 h6 11.Bxe7 Bxe7 12.0-0-0 Rf8 13.Qe4 Bg5++/- ) 6...Bb4+ (6...exd4 7.0-0 Be6 8.Re1 Qd7 9.Nxf7 Kxf7 10.Qf3+ Kg8 11.Rxe6 Rd8 12.Bg5 Qxe6 13.Bxd8 Qe1+ 14.Bf1 Qe6 15.Bh4+/- ) 7.c3 Be7 8.Nxf7 Kxf7 9.Qf3+ Ke6 10.Qe4 Bf8 11.0-0 Nce7 12.f4 c6 13.fxe5 Kd7+/- ]

6.c3 [6.Nc3 h6 7.Nf3 Bg4 8.Be2 Bxf3 9.Bxf3 Bb4 10.0-0 0-0 11.Re1 Re8 12.a3 Bxc3 13.dxc3 Nxf3+ 14.Qxf3 Qxd5=/+ ]

6...b5 7.Bf1 Nxd5 8.Ne4 [8.Nxf7 Kxf7 9.cxd4 exd4 10.Bxb5 Qe7+ 11.Qe2 Qxe2+ 12.Bxe2 Nb4 13.Bc4+ Be6 14.Bxe6+ Kxe6© ; 8.h4 h6 9.Ne4 Ne6 10.Bxb5+ Bd7 11.Qa4 Ndf4 12.d4 Nxg2+ 13.Ke2 Ngf4+ 14.Bxf4 Nxf4+= ; 8.cxd4 Qxg5 9.Bxb5+ (9.Nc3 exd4 10.Bxb5+ Bd7 11.Bxd