Sicilian Najdorf



1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6
6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 O-O-O Nbd7
10 g4 b5 11 Bxf6 Nxf6 12 g5 Nd7 13 f5:




13 ... Ne5 14 Qg3 Rb8 15 Bh3 b4 16 Nce2 Bb7
17 Qe3 exf5 18 Bxf5.

13 ... Bxg5+ 14 Kb1 0-0 15 fxe6 Nb6 16 Qg4 Bf6
17 Nd5.
13 ... Nc5 14 f6 b4 15 Nce2 gxf6 16 gxf6.

13 ... Ne5 14 Qg3 Bd7 15 a3 Qa5 16 Kb1 Rc8
17 fxe6 fxe6 18 Bh3 b4 19 Nxe6
13 ... Nc5 14 f6 gxf6 15 gxf6 Bf8 16 Rg1 Bb7
17 a3 0-0-0 18 Be2 Kb8.

13 ... Bxg5+ 14 Kb1 0-0 15 fxe6 Nb6 16 Qg4 Bf6
17 Nd5 Nxd5 18 exd5 Kh8 19 Bh3 Bb7 20 Qh5 fxe6.

13 ... Ne5 14 Qh5 b4 15 Nce2 0-0 16 Rg1 b3.
13 ... Nc5 14 f6 gxf6 15 gxf6 Bf8 16 Rg1 Bb7
17 a3 0-0-0 18 Kb1 Kb8 19 Be2.

13 ... Bxg5+ 14 Kb1 0-0 15 fxe6 Nb6 16 Qg4 Bf6
17 Nd5 Nxd5 18 exd5 Kh8 19 Bh3 Bb7.

13 ... Ne5 14 Qg3 Bd7 15 Bh3 Qc4 16 b3 Qc8
17 Nce2 Nc6 18 Rhe1 Nxd4.
13 ... Nc5 14 f6 gxf6 15 gxf6 Bf8 16 Rg1 Bb7
17 a3 0-0-0 18 Kb1 Kb8 19 Be2 Rc8.
13 ... Nb6 14 fxe6 fxe6 15 Kb1 b4 16 Nce2 e5
17 Nf5 0-0 18 Qb3+ Kh8 19 Nxe7 Qxe7 20 g6 Be6
21 Qxb4.

13 ... Ne5 14 Qg3 Bd7 15 Bh3 Qc4 16 b3 Qc8
17 Nce2 Nc6 18 Rhe1 Nxd4.
13 ... Nc5 14 fxe6 fxe6 15 h4 g6 16 Bg2 b4
17 e5 d5 18 Nxe6 Bxe6 19 Nxd5 Bxd5.
13 ... Nb6 14 fxe6 fxe6 15 Kb1 b4 16 Nce2 e5
17 Nf5 0-0 18 Qb3+ Kh8 19 Nxe7 Qxe7 20 g6 Be6
21 Qxb4.