[Event "White Nights op"]
[Site "St Petersburg"]
[Date "1997.??.??"]
[Round "?"]
[White "Yudasin, Leonid"]
[Black "Petkevich, Jusefs"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2455"]
[ECO "B50"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bd3 Nc6 5.Bc2 Bg4 6.d3 g6 7.Nbd2 Bg7 8.h3 Bxf3
9.Nxf3 O-O 10.O-O b5 11.d4 Nd7 12.d5 Nce5 13.Nd2 Nf6 14.f4 Ned7 15.Nf3 Nb6
16.Qe2 Rb8 17.Qxb5 Nbxd5 18.Qa4 Nb6 19.Qxa7 Nfd7 20.Qa6 c4 21.Be3 Qc7 22.Qa5 Nc5
23.Nd4 Qb7 24.f5 Nbd7 25.Rab1 Ne5 26.b4 Nxe4 27.Qa3 Ra8 28.Qb2 Nd3 29.Bxd3 cxd3
30.Rfd1 Qd5 31.Qb3 Qxb3 32.Rxb3 Rxa2 33.fxg6 fxg6 34.Nc6 Bf6 35.b5 Re2 36.Rxd3 Bh4
37.Rb1 Bf2+ 38.Bxf2 Rfxf2 39.b6 Rxg2+ 40.Kh1 Rh2+ 41.Kg1 Reg2+ 42.Kf1 Nd2+
43.Rxd2 Rxd2 44.Kg1 Rhg2+ 45.Kh1 1/2-1/2