[Event "URS-ch25"]
[Site "Riga"]
[Date "1958.??.??"]
[White "Kortschnoj, Viktor"]
[Black "Tolush, Alexander V"]
[Result "0-1"]
[ECO "B97"]
[Opening "Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted"]
[PlyCount "78"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3 10.e5 dxe5 11.fxe5 Nfd7 12.Ne4 h6 13.Bh4 Qxa2 14.Rb3 Qa1+ 15.Kf2 Qa4 16.Bb5 axb5 17.Nxb5 Bc5+ 18.Nxc5 Qxh4+ 19.g3 Qd8 20.Qd6 Nxc5 21.Nc7+ Qxc7 22.Qxc7 Nba6 23.Qb6 Nxb3 24.cxb3 O-O 25.Ra1 Nc7 26.Rxa8 Nxa8 27.Qd6 b6 28.Qc6 Ba6 29.Qd7 Rc8 30.Qa7 Bb5 31.Qb7 Rc2+ 32.Ke1 Nc7 33.Qxb6 Re2+ 34.Kd1 Nd5 35.Qd4 Rxh2 36.Kc1 Rg2 37.g4 g5 38.Kb1 Kg7 39.b4 Be2 0-1