[Event "US-op"]
[Site "Columbus"]
[Date "1977.??.??"]
[Round "?"]
[White "Tobin, Hugh"]
[Black "Shamkovich, Leonid"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo "2485"]
[ECO "B53"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.Bg5 e6
9.O-O-O Be7 10.Rhe1 Qa5 11.Kb1 O-O 12.Qd2 Qa6 13.Nd4 b5 14.Bxf6 Bxf6 15.Nxc6 Qxc6
16.Qxd6 Qxd6 17.Rxd6 Bxc3 18.bxc3 Rfc8 19.Red1 g5 20.Kb2 Kg7 21.Rd7 a6 22.Rb7 Rd8
23.Rdd7 Rxd7 24.Rxd7 Kf6 25.Kb3 Rc8 26.f3 h5 27.g3 Rc4 28.Rd4 Rc6 29.f4 gxf4
30.gxf4 e5 31.Rd5 exf4 32.Rf5+ Kg6 33.Rxf4 Rc4 34.Kb2 f6 35.Kb3 a5 36.Kb2 a4
37.a3 Rc5 38.Rf2 h4 39.Rg2+ Rg5 40.Rd2 Rg4 41.Re2 h3 42.Re3 Kg5 43.Rxh3 Rxe4
44.Rh8 f5 45.Rg8+ Kf4 46.c4 bxc4 47.Kc3 Re3+ 48.Kxc4 Rxa3 49.Kd5 Ra1 50.c4 a3
51.Rg2 Rd1+ 52.Kc5 Ra1 53.Kd4 Rd1+ 54.Kc5 Rb1 55.Ra2 Rb3 56.Kd4 Rb2 57.Rxa3 Rxh2
58.c5  1/2-1/2

