[Event "USSR Championship"] [Site "Leningrad (RUS)"] [Date "1963.12.25"] [Round "19"] [White "Viacheslav Osnos"] [Black "Aivars Gipslis"] [Result "1/2-1/2"] [ECO "B43"] [Opening "Sicilian: Kan, 5.Nc3"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Bb7 7.O-O Ne7 8.Re1 Nec6 9.Nf3 d6 10.Bg5 Be7 11.Bxe7 Qxe7 12.Qd2 O-O 13.Rad1 Rd8 14.Bf1 Ra7 15.a4 b4 16.Na2 a5 17.c3 bxc3 18.Nxc3 Ba8 19.Bb5 Nb4 20.Nd4 Nd7 21.Nb3 Ne5 22.f3 h6 23.Qf2 g5 24.Rd2 Bc6 25.Red1 Raa8 26.Nd4 Bb7 27.Nc2 d5 28.exd5 Nxd5 29.Nxd5 Rxd5 30.Rxd5 Bxd5 31.Re1 Ng6 32.Ne3 Rd8 33.Qd2 Bxf3 34.Qxa5 Be4 35.Qc3 h5 36.b4 Nf4 37.Qe5 Qxb4 38.Qxg5+ Kh7 39.Kf1 Qd6 40.Qf6 Rg8 41.g3 Bd3+ 42.Bxd3+ Qxd3+ 43.Kg1 Qe4 44.Qxf7+ Rg7 45.Qxg7+ Kxg7 46.gxf4 Qxf4 47.Ng2 Qd4+ 48.Kh1 e5 49.h4 Kf6 50.Kh2 Qxa4 51.Re3 Qd1 52.Re4 Qd2 53.Re3 Qf2 54.Re1 Ke6 55.Re3 Kd5 56.Rd3+ Kc4 57.Re3 {#d} 1/2-1/2