(1) Stephens,J. K. F (162) - Howard,C (145) [B92]
Winter-Wood Knockout Exmouth (1), 23.06.2007

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.0-0 Nbd7 9.a4 Be7 10.a5
So far, the game has followed well-established theory, and if Black now castles we have reached one of the main lines in the Najdorf.

It may be too early to start mixing it on the queen-side with his king still in the centre.

11.axb6 Qxb6?
This is too slow, as it allows White to continue his already superior development.

gaining a tempo

12...Nc5 13.Na4?!
[More forceful might have been 13.Nxc5 dxc5 14.Bb5+ Kf8 15.Qe2 Qb7 16.Bxa6 and Black is in great difficulty.]

Possibly hoping to pick up the e-pawn at some stage, but in reality the Queen is in greater danger of being sucked into the mire.

14.Nbxc5 dxc5 15.c3 Qb7
[Of course, Black could not now take the e-pawn because of 15...Qxe4 16.Bf3 ]

16.Nxc5 Bxc5 17.Bxc5 Nxe4
Black was determined to get it at some point.

18.Bf3 f5 19.Bxe4 Qxe4 20.Qd6
Resigns. Black only had... [20.Qd6 Kf7 21.Qe7+ Kg6 22.Qxe6+ ] 1-0