[Event "USSR"] [Site "USSR"] [Round "0"] [White "Janis Klovans"] [Black "Alexander I Petrushin"] [Result "1/2-1/2"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.f4 Qb6 8.Qd3 Nbd7 9.Nb3 Be7 10.Be3 Qc7 11.g4 g5 12.e5 dxe5 13.fxg5 Ng8 14.O-O-O b5 15.Bf3 Rb8 16.Rhf1 Nb6 17.Kb1 Nc4 18.Bc5 Bxc5 19.Nxc5 Ne7 20.N3e4 Ng6 21.Qc3 Ke7 22.Be2 Qa5 23.Nd6 Rf8 24.Qd3 Qc7 25.Nce4 Nxd6 26.Nxd6 Rb6 27.Ne4 Nf4 28.Qe3 b4 29.Nf6 Rd8 30.Rxd8 Kxd8 31.Bf3 Ke7 32.Nxh7 Rd6 33.Nf6 Rd4 34.Re1 Qd6 35.Qxe5 Qxe5 36.Rxe5 Bb7 37.c3 bxc3 38.bxc3 Rd6 39.Bxb7 Rb6+ 40.Kc2 Rxb7 41.h4 Ng6 42.Ra5 Nxh4 43.Rxa6 Nf3 44.Ra5 Kf8 45.Ra8+ Ke7 46.Ne4 Ne5 47.a4 Nxg4 48.a5 Ne3+ 49.Kd3 Nd5 50.a6 Rd7 51.Nc5 Rc7 52.a7 Rxc5 53.Re8+ Kxe8 54.a8=Q+ Kd7 55.Qa7+ Rc7 56.Qa4+ Kd6 57.c4 Ne7 58.Qe8 Nc6 59.Qf8+ Re7 60.Qh8 Ra7 61.Qh2+ Kc5 62.Qf2+ Kd6 63.Ke4 Ra5 64.Qxf7 Re5+ 65.Kd3 Rxg5 66.Qf8+ Kd7 67.Kc3 Rf5 68.Qg7+ Kd6 69.Qg3+ Kc5 70.Qe3+ Kd6 {#d} 1/2-1/2