[Event "Lone Pine op"]
[Site "Lone Pine"]
[Date "1979.??.??"]
[Round "4"]
[White "Ree, Hans"]
[Black "Shamkovich, Leonid"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2495"]
[ECO "D94"]

1.c4 Nf6 2.Nc3 c6 3.Nf3 d5 4.e3 g6 5.d4 Bg7 6.Be2 O-O 7.O-O Be6 8.b3 h6 9.Bb2 Nbd7
10.Rc1 Ne4 11.Nxe4 dxe4 12.Nd2 f5 13.f3 exf3 14.Nxf3 Bf7 15.Qc2 e5 16.e4 f4
17.Nxe5 Nxe5 18.dxe5 Qg5 19.Rcd1 Be6 20.c5 Rae8 21.Bc4 Kh7 22.Bxe6 Rxe6 23.Rd7 Re7
24.Rxe7 Qxe7 25.Qc3 g5 26.g3 fxg3 27.hxg3 Rxf1+ 28.Kxf1 g4 29.Kg2 Qg5 30.Qd4 Bxe5
31.Qxe5  1/2-1/2

