[Event "St Petersburg op"]
[Site "St Petersburg"]
[Date "1995.??.??"]
[Round "2"]
[White "Ionov, Sergey"]
[Black "Khalifman, Alexander"]
[Result "0-1"]
[WhiteElo "2525"]
[BlackElo "2635"]
[ECO "E81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Bg5 Nbd7 7.Qd2 a6 8.Bd3 c5
9.Nge2 Qa5 10.Nd5 Qxd2+ 11.Kxd2 e6 12.Nxf6+ Nxf6 13.Be3 b6 14.Rhd1 Re8 15.dxc5 dxc5
16.Nc3 Nd7 17.f4 Bb7 18.Ke2 f5 19.Bc2 Nf6 20.Rd6 b5 21.e5 Ng4 22.Bxc5 Bxg2
23.Rg1 Rac8 24.Rxg2 Rxc5 25.cxb5 axb5 26.Bb3 Kf8 27.h3 Nh6 28.Kf3 g5 29.Rxe6 Rxe6
30.Bxe6 gxf4 31.Rd2 Rxe5 32.Rd8+ Ke7 33.Rd7+ Kxe6 34.Rxg7 Nf7 35.h4 Kf6 36.Rg8 b4
37.Ne2 Re3+ 38.Kf2 Re4 39.Rf8 Kg7 40.Rb8 Ne5 41.Rd8 Ng4+ 42.Kf1 f3 43.Nd4 f2
44.Ne2 Re3 45.Rd1 Kf6 46.Rc1 Rd3 47.a4 Rd2  0-1

