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Contents:
A) 5...Ng6 6.e5 Ng8 including 7.Bc4 c6
B) 5...Nc6
C) 5...Bd6
D) 5...Ng6 6.e5 Ng8 7.Bc4 d5
E) 5...Ng6 6.e5 Ng8 7.Bc4 ...other than c6 or d5
Rybka4.1 unless otherwise noted
A) 5...Ng6 6.e5 Ng8 7.Bc4*** c6
[-0.90] d=31 7...c6 8.Qe2 Bb4*
A1 (continuation of d=31 line from above line) 9.O–O Bxc3 10.bxc3 N8e7 11.f4 O–O 12.Ba3 d5 13.Bd3 (13.exd6 -1.00/28 13...Nf5 14.d7 ( -0.97/27 14.Rae1 Nxd6 15.f5 Nxf5 16.Bxf8 Nxf8) Bxd7 15.Bxf8 Nxf8 16.Rae1 b5 17.Bb3 a5 18.a4 c5 19.Bd5 Rc8 20.axb5 Qb6 21.g4 Nd6 22.c4 cxd4 23.f5 Qc5 24.Qe7 Bxb5) f5 14.exf6 Rxf6 15.Rae1 and now -0.95/33 15...Qc7 16.g4 Rxf4 17.Bxg6 hxg6 18.Rxf4 Qxf4 19.Rf1 Qxg4+ 20.Qxg4 Bxg4 21.Bxe7 Bf5 22.Re1 Bxc2 23.Re5 Bb1 24.a3 Bf5 25.Bg5 Rf8 26.Be7 Rf7 27.Bc5 b6 28.Bd6 Bh3 29.Re8+ Kh7 30.Rf8 Rd7
A2 9.Bxf7+ Kxf7 10.Qc4+ d5 11.exd6+ (11.Qxb4 -1.22/25 11...Qh4 12.g3 Qh5 13.Be3 N8e7) Be6 12.Qxb4 Qb6 13.Qc5** Nf6 and now -0.97/29 14.Be3 Nh4 15.0-0 Nf5 16.Rfe1 Rad8 17.Qa3 Bc8 18.Na4 Qa5 19.Qb3+ Qd5 20.Nc5 Qxb3 21.axb3 a6 22.Bg5 Nxd6 23.f3 h6 24.Bd2 Nf5 25.c3 g5 26.Kf2 Kg6
**A critical point in this line. Next best: :
1. -0.97/27 13.a3 Nf6 14.h4 Qxb4 15.axb4 h5 16.f3 Bf5 17.Kd1 Rhd8 18.Ra5 Be6 19.Ne4 Bd5
2. -1.15/27 13.Qxb6 axb6 14.f3 Nf6 15.h4 h5 16.Be3 Rhd8 17.a3 Bf5 18.0-0-0 Rxd6
3. -1.24/26 13.Qa3 Qxd4 14.Be3 Qg4 15.Rg1 Ne5 16.f3 Qh4+ 17.Bf2 Qh6
the long baseline run: -0.88/30 13.Qc5 Nf6 14.Qxb6 axb6
*** Next best:
1. -1.18/26 7.Qf3 c6 8.Bc4 d5 9.exd6 Be6 10.d5 Ne5 11.Qe2 Nxc4 12.dxe6 Nxd6
2. -1.31/26 7.Qe2 Bb4 8.Bd2 N8e7 9.0-0-0 d5 10.h4 Nc6 11.h5 Nge7 12.Qd3 h6 13.f3 Nf5
3. -1.26/24 7.Bd3 d5 8.0-0 N8e7 9.a4 Nf5 10.Ne2 Be6 11.h3 h5 12.Ng3 Nxg3
*Not
8...Qb6? 9.Ne4! +0.00/25 9...Qxd4 (9...f5 10.Nd6+ Bxd6 11.exd6+ Kf8 +0.00/23 12.c3 Qd8 13.h4 h5 14.Rh3 ouch) 10.c3 Qb6 (10...Qxe5 11.f4 Nxf4 12.Bxf4 Qxf4 13.Nd6+ Kd8 14.Nxf7+ =) 11.Be3 +0.00/25 11...Qa5 12.f4 now +0.00/21 12...Nh6 13.b4 Qd8 14.0-0 Qh4 15.h3 b5 16.Bb3 Nf5 17.Ng5 Ng3 18.Bxf7+
but perhaps instead:
1. -0.51/28 8...b5 9.Bb3 Bb4 10.a4 N8e7 11.axb5 0-0 12.h4 Nf5 13.Qd3 d5 14.bxc6 a5 15.0-0 Bxc3
2. -0.27/28 8...Be7 9.Ne4 b5 10.Bb3 a5 11.a4 Qb6 12.Qf3 Nh6 13.Bxh6 gxh6 14.Nd6+ Bxd6 15.Bxf7+ Kd8
B) 5...Nc6
5...Nc6 6.d5 Ne5 7.f4 Ng6 8.e5 Ng8 9.d6 cxd6 10.exd6 Qf6! 11.Qe2+
[11.Nb5 Nxf4! now scores -1.35/27 with this line: 12.Qf3 Ne6 13.Qe4 Kd8 14.Bd2 Rb8 15.Bd3 Nc5 16.Qe3 Nxd3+ 17.cxd3 Qe6 18.0-0 Qxe3+ 19.Bxe3 b6 20.Rae1 a6 21.Rxf7 Ke8 22.Rf5 Nf6 23.Na3 Kf7 24.Nc4 b5 25.Ne5+ Ke6 26.Rf2 Kxe5 27.Ba7+]
[-0.50] d=32 11.Qe2+ Qe6 12.Nb5 Qxe2+ 13.Bxe2 Rb8 14.Be3 b6 15.h4 h5 16.0-0-0 Nh6 17.Rhe1 Kd8 18.g3 a6 19.Na3 Nf5 20.Nc4 Nxg3 21.Bd3 Nxh4 22.Bf2 Ng2 23.Rg1 Bb7 24.Bxg3 f6 25.Bf1 b5 10-April-2015 seems like 5...Ng6 is better here
C) 5...Bd6 black has a "trick" of his own...
1. -0.01/27 6.dxe5 Bxe5 7.Bd3 0-0 8.0-0 Re8 9.Nb5 a6 10.f4 axb5 11.fxe5 Rxe5 12.Bf4 Qe8
2. -0.11/27 6.f4 Nc6 7.e5 Bb4 8.exf6 Qxf6 9.a3 Bxc3+ 10.bxc3 0-0 11.Rb1 b6
3. 6.Nb5 Ng6 7.e5 Bxe5 8.dxe5 Nxe5 -0.36/22 9.Bg5 0-0 10.Be2 d5 11.Bxf6 gxf6 12.0-0 c6
D) 5...Ng6 6.e5 Ng8 7.Bc4 d5
a) [-0.72] d=35 8.Bxd5 N8e7 9.Bg5 c6 10.Bb3 h6 11.Be3 Nd5 12.0-0 Be6 13.Nxd5 cxd5 14.Ba4+ Bd7 15.c4 Ne7 16.Bc2 g6 17.Qd2 Bg7 18.Rfe1 a5 19.c5 a4 20.b3 a3 06-July-2015
b) [-0.71] d=31 8.Bxd5 c6 9.Bb3 Be6 10.0-0 Qd7 11.Ne4 0-0-0 12.c3 Be7 13.Qe2 Nh6
E) 5...Ng6 6.e5 Ng8 7.Bc4 ...other than c6 or d5
E1 7...Bb4 [-0.85] d=33 8.Qf3 d5 9.Bxd5 f6 10.0-0 Bxc3 11.bxc3 Bg4 12.Qxg4 Qxd5 13.f4 Nh6 14.Qg3 Ne7 15.Qd3 0-0-0 16.Bb2 Nhf5 17.c4 Qe6 18.Rab1 h5 19.a4 h4 20.a5 Qa6 21.d5 Qxa5 05-August-2015
E2 7...d6 [-0.74] d=32 8.Qf3 f5 9.Bb3 c6 10.h4 d5 11.h5 N6e7 12.Ne2 Nh6 13.Bxh6 gxh6 14.Nf4 Bb7 15.0-0-0 Qc7 16.c4 dxc4 17.Bxc4 0-0-0 18.Kb1 Kb8
E3 7...Nh4 [-0.53] d=29 7...Nh4 8.O–O Be7 9.Re1 Nf5 10.Qh5 g6 11.Qf3 h5 12.Bd2 Kf8 13.h3 d6 14.Rad1 Kg7 15.Nd5 Bh4 16.Nf4 Bg5 17.e6 fxe6 18.Bxe6 Bxf4 19.Bxf4 Nf6 20.Bg5 h4 21.c4 a5
E4 7...f6 [-0.27] d=29 7...f6 8.Qe2 fxe5 9.dxe5 c6 10.Ne4 Nxe5 11.Qh5+ Ng6 12.Bxg8 Rxg8 13.Qxh7 Qa5+ 14.Bd2 Qf5 15.Nd6+ Bxd6 16.Qxg8+ Qf8 17.Qh7 Qe7+ 18.Be3 Nf8 19.Qh8 Be5 20.O–O–O g6 21.Qh6 d5 22.Rhe1 Be6
E5 7...N8e7 [-0.23] d=28 7...N8e7 8.Qf3 d5 9.exd6 Qxd6 10.Bxf7+ Kd8 11.Ne4 Nh4 12.Qd3 Qa6 13.Qxa6 bxa6 14.O–O Nef5 15.c3 Rb8 16.Re1 h6 17.Bh5 g6 18.Be2 Bb7 19.f3 g5 20.g3
E6 7...f5 [-0.16] d=25 7...f5 8.h4 Bb4 9.Bg5 Be7 10.Qh5 d6 11.0-0-0 Kf8 12.g3 Bxg5+ 13.hxg5 N8e7
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