Piket-Avrukh, Antwerp, 1998



Position after 10 ... c5

At this juncture, 11 d4-d5 is not possible and
following 11 d4xc5, both 11 ... bxc5 and
11 ... Nxc5 are good for Black. After 11 ... bxc5
and 11 ... Nxc5, Black doesn't have to worry about
the prospects of his g7 bishop. If White tries to
trade dark-square bishops, there is: 11 Bh6 cxd4!
12 Nxd4 e5!, and Black has good play, while White's
remaining bishop is passive. Please note that after
11 ... Nxc5, Black's rook can now operate along
the c-file.



11 Rad1 cxd4 12 Bxd4 Nc5 13 a4 Rc8 14 Qg5
14 ... h6 15 Qg3 Nxd3.
11 Rac1 cxd4 12 Bxd4 Nc5 13 Rcd1 Rc8 14 a4
14 ... Nxd3 15 Qxd3 Qc7.
11 a4 cxd4 12 Bxd4 e5 13 Be3 Nc5 14 Bg5
14 ... Nxd3 15 cxd3 Rc8 16 d4.

11 a4 cxd4 12 Bxd4 e5 13 Be3 Nc5 14 Bg5
14 ... Nxd3 15 cxd3 Rc8 16 d4.
11 Rad1 cxd4 12 Bxd4 Nc5 13 a4 Rc8 14 Qg5
14 ... h6 15 Qg3 Nxd3 16 Rxd3.
11 Bf4 Qb8 12 Bh6 cxd4 13 Nxd4 Ne5 14 Bxg7
14 ... Kxg7 15 Bf1 Qc7 16 f4.



11 Bf4 Qb8 12 Bh6 cxd4 13 Nxd4 a6 14 Bxg7
14 ... Kxg7 15 f4 Qc7 16 a4 Nc5.
11 Rad1 cxd4 12 Nxd4 a6 13 Bh6 Bxh6 14 Qxh6
14 ... Rc8 15 Bf1 Rc5 16 a4 Qc7.
11 a4 a6 12 dxc5 Nxc5 13 a5 Nxd3 14 cxd3
14 ... Nd7 15 Bh6 Ne5 16 Nxe5 dxe5 17 Bxg7 Kxg7
18 axb6.

11 Rad1 cxd4 12 Nxd4 a6 13 Bh6 Bxh6 14 Qxh6
14 ... Rc8 15 Bf1 Rc5 16 a4.
11 a4 a6 12 dxc5 Nxc5 13 Bd4 Qc7 14 Rad1
14 ... e5 15 Bxc5 dxc5 16 Qg5 c4 17 Bf1.
11 Bh6 cxd4 12 Nxd4 a6 13 Bxg7 Kxg7 14 Rad1
14 ... Qc7 15 Bf1 Ne5 16 f4 Ned7.



11 Bh6 cxd4 12 Nxd4 a6 13 Rad1 Qc7 14 Bxg7
14 ... Kxg7 15 f4 Qc5 16 Qf2 e5 17 Nde2 Qxf2+
18 Kxf2 Nc5.
11 Rad1 cxd4 12 Nxd4 a6 13 Bh6 Qc7 14 Bxg7
14 ... Kxg7 15 f4 Qc5 16 Qf2 e5 17 Nde2 Qxf2+
18 Kxf2 Nc5.
11 a4 a6 12 Bh6 cxd4 13 Nxd4 Qc7 14 Bxg7
14 ... Kxg7 15 Bf1 Nc5 16 Qf4 e5 17 Nf5+ Kh8
18 Qh6 Rg8 19 a5.

11 Bh6 cxd4 12 Nxd4 a6 13 Rad1 Qc7 14 Bxg7
14 ... Kxg7
15 f4 Qc5 16 Qf2 e5 17 Nde2 Qxf2+ 18 Kxf2 Nc5.
11 Rad1 cxd4 12 Nxd4 a6 13 Bh6 Qc7 14 Bxg7
14 ... Kxg7
15 f4 Qc5 16 Qf2 e5 17 Nde2 Qxf2+ 18 Kxf2 Nc5.
11 Bf4 Qb8 12 Bh6 cxd4 13 Nxd4 a6 14 Bxg7
14 ... Kxg7 15 f4 Qc7 16 Rad1 Qc5 17 Qf2 e5
18 Nde2 Qxf2+ 19 Kxf2.



11 Rad1 cxd4 12 Nxd4 a6 13 Bh6 Bxh6 14 Qxh6
14 ... b5 15 a3 Nc5 16 Nf3 Qc7 17 e5 dxe5.
11 Bf4 Qb8 12 Bh6 cxd4 13 Nxd4 a6 14 Bxg7
14 ... Kxg7 15 Rad1 Qc7 16 Qe3 b5 17 f4 b4
18 Nce2 Rac8.
11 Bh6 cxd4 12 Nxd4 a6 13 Bxg7 Kxg7 14 Rad1
14 ... Qc7 15 Qe3 b5 16 a3 Nc5 17 e5 dxe5
18 Qxe5 Qxe5 19 Rxe5.