[Event "7th Staunton Memorial GM"]
[Site "London ENG"]
[Date "2009.08.13"]
[Round "6"]
[White "Korchnoi,V"]
[Black "Wiersma,E"]
[Result "1/2-1/2"]
[WhiteElo "2561"]
[BlackElo "2403"]
[ECO "A81"]

1.d4 f5 2.g3 Nf6 3.Bg2 g6 4.b4 Bg7 5.Bb2 O-O 6.Nf3 Nc6 7.a3 Ne4 8.Qd3 d5
9.c4 Be6 10.cxd5 Bxd5 11.O-O a5 12.b5 Na7 13.Ne5 e6 14.f3 Bxe5 15.fxe4 fxe4
16.Rxf8+ Kxf8 17.Bxe4 Bxe4 18.Qxe4 Bg7 19.a4 Qd5 20.Nd2 Rd8 21.Qxd5 exd5
22.Nf3 Nc8 23.Bc3 b6 24.Bb2 Nd6 25.Ba3 Ke8 26.Bxd6 Rxd6 27.Rc1 Kd7 28.g4 Re6
29.Kf2 Re4 30.e3 Rxg4 31.Rc6 Re4 32.Ng5 Re7 33.Nxh7 Rf7+ 34.Kg3 Re7 35.Kf3 Re6
36.Rxe6 Kxe6 37.Ng5+ Kd7 38.e4 dxe4+ 39.Kxe4 c6 40.bxc6+ Kxc6 41.Ne6 Bf6
42.d5+ Kd6 43.h3 Be7 44.Kd4 Bf6+ 45.Kc4 Be5 46.Ng5 Bf4 47.Nf3 Bg3 48.Nd4 Bf2
49.Ne6 Be3 50.Nf8 g5 51.Ne6 Bc1 52.Kd4 Bb2+ 53.Kc4 Bc1 54.Nd4 Bf4 55.Nb5+ Ke5
56.Nc7 Kd6 57.Na8 Be3 58.Kb5 Kxd5 59.Nxb6+ Ke4 60.Kxa5 Kf3 61.Kb5 Bd2 62.Nc4 Be1
63.Ne5+ Kg3 64.Kc4 Kxh3 65.Nf3 Bh4 66.Nxh4 Kxh4  1/2-1/2

