Rybka 4 Dec 22-26 2010
Section I: 4.Nc3
4...fxe4 5.Nxe4 d5** 6.Nxe5 dxe4 7.Nxc6 Qg5 8.Qe2 Nf6
A) 9.Nxa7+
1) 9...Kd8
[+0.72] d=29 9...Kd8 10.Nxc8 Qxg2 11.Qf1 Qxf1+ 12.Kxf1 Kxc8 13.d4
exd3 14.Bxd3 Bd6 15.a4 Rf8 16.Kg2 Ra5 17.Re1 Nd5 18.Bxh7 Nf4+ 19.Bxf4 Bxf4 20.Be4 Rg5+ 21.Kf1 Bxh2 22.a5
2) 9...Bd7 10.Bxd7
[+0.80] d=29 10...Nxd7 11.f4 Qc5 12.Nb5 Qxc2 13.d4 Bb4+ 14.Kf2
Qxe2+ 15.Kxe2 0-0-0 16.a3 Be7 17.Nc3 Nf6 18.Be3 Rhe8 19.g3 Nd5 20.a4 Bb4 21.Rhc1 Re6 22.Nxd5
[+0.90] d=28 10...Nxd7 11.f4 Qc5 12.Nb5 Qxc2 13.d4 Bb4+ 14.Kf2
Qxe2+ 15.Kxe2 0-0-0 16.a3 Be7 17.Nc3 Nf6 18.Be3 Rhe8 19.a4 Kd7 20.a5 Ra8 21.Ra4 c6 22.Rha1
B) 9.f4
[+0.80] d=28 9...Qxf4 10.Nxa7* Bd7 11.Bxd7 Kxd7 12.Qb5 Ke6 13.Qxb7
Bd6 14.Qb3 Nd5 15.c4 Rxa7 16.cxd5 Kd7 17.d4 Qh4 18.g3 Qh3 19.Bd2 e3 20.Bxe3 Bxg3 21.Kd2 Bd6 22.Rae1 Kc8 23.Kc2 Qf5 24.Kc1
Rb7
*[+0.40] d=26 10.d4 Qd6 11.Ne5 c6 12.Bc4 Qe6
13.Bxe6 that's what Rybka says - you figure out if the last 2 moves are real...
[+0.29] d=25 10.d4 Qd6 11.Ne5 c6
[+0.36] d=24 10.d4 Qd6 11.Ne5 c6 12.Bc4 Be6
10.Ne5 [+0.13] d=21 10...c6 11.d4 Qh4+ 12.g3 Qh3 13.Bc4 Be6 14.Bg5 [+0.30/25
14.Bg5 0-0-0 15.0-0-0 Bd6 16.Rhf1 Rhe8 17.Bxe6+] 0-0-0 15.0-0-0 Bd6 16.Nf7 Bxf7 17.Bxf7 Rhf8 18.Bc4 Rde8 19.Rhf1 Kc7 20.Rde1
Qg4 21.Qd2 Nd5 22.Bxd5
** 5...Nf6 [+0.49] d=26 6.Nxf6+
Qxf6 7.Qe2 Be7 8.Bxc6 bxc6 9.Nxe5 Qe6 10.d4 Bf6 11.c3 0-0 12.Ng4 Qxe2+ 13.Kxe2 Ba6+ 14.Kd1 Be7 15.Re1 Rae8 16.Be3 d6 17.f4
Bb7 18.Kc2 c5 19.g3 cxd4 20.cxd4 Be4+ 21.Kd2
[+0.50] d=25 6.Nxf6+ Qxf6 7.Qe2 Be7 8.Bxc6 bxc6 9.Nxe5 0-0 10.0-0
Qe6 11.Re1 Bc5 12.Nf3 Qxe2 13.Rxe2 d6 14.d4 Bb6 15.c3 Bg4 16.Re3 Bh5 17.Ng5 c5 18.Ne6 cxd4 19.Nxd4 a5 20.Re7 Rfe8 21.Rxe8+
Section II: 4.d3
4.d3 [+0.49] d=27 4...fxe4 5.dxe4 Nf6 6.0-0 Bc5 7.Bxc6 bxc6 8.Nxe5 0-0 9.Nc3
d6 10.Nd3 Bd4 11.Qe1 Qe7 12.Be3 Bxc3 13.Qxc3 Qxe4 14.Rfe1 Qa4 15.b3 Nd5 16.Qxg7+ Kxg7 17.bxa4
[+0.46] d=26 4...fxe4 5.dxe4 Nf6 6.0-0 d6 7.a3 Be6 8.Qd3 a6 9.Ba4 h6 10.Nc3 Be7 11.h3 0-0 12.Bb3
Bxb3 13.cxb3 Qe8 14.Be3 Qg6
