[Event "St Petersburg-ch"]
[Site "St Petersburg"]
[Date "1998.04.10"]
[Round "4"]
[White "Taimanov, Mark E"]
[Black "Ionov, Sergey"]
[Result "1/2-1/2"]
[WhiteElo "2490"]
[BlackElo "2530"]
[ECO "A25"]

1.c4 Nf6 2.Nc3 e5 3.e3 Nc6 4.a3 g6 5.Nf3 Bg7 6.d3 O-O 7.Be2 d6 8.O-O Ng4
9.Bd2 f5 10.Rc1 f4 11.exf4 exf4 12.d4 Nh6 13.d5 Ne5 14.Nxe5 Bxe5 15.Bf3 g5
16.g4 Nf7 17.b4 a5 18.c5 axb4 19.axb4 Bg7 20.Be4 h5 21.h3 Ne5 22.f3 Bd7 23.Qe2 Kh8
24.Bb1 Rf6 25.Ne4 Rh6 26.Bc3 Be8 27.Bc2 Bf7 28.Bb3 Ng6 29.Bxg7+ Kxg7 30.b5 b6
31.cxd6 cxd6 32.Rc6 hxg4 33.Rxd6 Qe7 34.Qb2+ Kf8 35.hxg4 Rh3 36.Qf6 Qxf6
37.Rxf6 Ra3 38.Rb1 Ne5 39.Nxg5 Rg3+ 40.Kf2 Rxf3+ 41.Nxf3 Nxg4+ 42.Ke1 Nxf6
43.Ne5 Bxd5 44.Bxd5 Nxd5 45.Nc4 Rc3 46.Nxb6 Nxb6 47.Rb4 Nd5 48.Rd4 Rc5 49.b6 Nxb6
50.Rxf4+ Ke7 51.Kd2 Ke6 52.Rh4 Nc4+ 53.Ke2 Kd5 54.Rh8 Ne5 55.Rh4 Rc3 56.Kd2 Rg3
57.Ke2 Ng4 58.Rh8 Ke4 59.Kd2 Rd3+ 60.Ke2 Ra3 61.Kd2 Nf6 62.Rh4+ Ke5 63.Kc2 Ne4
64.Rh8 Kd4 65.Rd8+ Ke3 66.Kb2 Ra4 67.Kb3 Nc5+ 68.Kc3 Re4 69.Rd5 Na4+ 70.Kb3 Nb6
71.Rd6 Nc4 72.Rd8 Na5+ 73.Ka3 Nc6 74.Rd5 Rb4 75.Rd6 Rb6 76.Rh6 Kd3 77.Rh4 Kc3
78.Rh3+ Kc4 79.Rh4+ Nd4 80.Ka2 Rf6 81.Kb2 Rf2+ 82.Ka3 Rg2 83.Re4  1/2-1/2

