[Event "Lone Pine op"]
[Site "Lone Pine"]
[Date "1978.??.??"]
[Round "8"]
[White "Portisch, Lajos"]
[Black "Olafsson, Helgi"]
[Result "1-0"]
[WhiteElo "2630"]
[BlackElo "2420"]
[ECO "A38"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 g6 6.Bg2 Bg7 7.O-O O-O 8.Nxd5 Qxd5
9.d3 Nc6 10.a3 b6 11.Rb1 Bb7 12.Be3 Rfd8 13.b4 cxb4 14.axb4 Qh5 15.Ng5 Qg4
16.Qb3 e6 17.Rfc1 Rac8 18.Bf3 Qf5 19.Be4 Qb5 20.Rc2 Rc7 21.Qc4 Qxc4 22.Rxc4 Rdc8
23.Rbc1 b5 24.R4c2 h6 25.Nh3 Be5 26.Bf4 Bxf4 27.Nxf4 g5 28.Nh5 f5 29.Bg2 Kf7
30.d4 Ke7 31.d5 exd5 32.Rc5 a6 33.Bxd5 Kd6 34.e4 fxe4 35.Nf6 Nxb4 36.Nxe4+ Kd7
37.Bxb7  1-0

