[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1979.04.04"]
[EventDate "1979.03.25"]
[Round "9"]
[Result "1/2-1/2"]
[White "Helgi Olafsson"]
[Black "Peter Biyiasas"]
[ECO "E92"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "67"]

1.c4 g6 2.Nc3 d6 3.d4 Bg7 4.e4 Nf6 5.Be2 O-O 6.Nf3 e5 7.dxe5
dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Nd5 Nxd5 11.cxd5 c6 12.Bc4 cxd5
13.Bxd5 Na6 14.Ke2 Nc7 15.Bc4 Be6 16.Rhc1 Bxc4+ 17.Rxc4 Ne6
18.Be3 h6 19.g3 Red8 20.h4 a6 21.Rac1 f6 22.a4 Bf8 23.Bb6 Rd7
24.h5 gxh5 25.Nh4 Ng7 26.Rc8 Rxc8 27.Rxc8 Kf7 28.Be3 Ne8
29.Nf5 Rc7 30.Rd8 Rc2+ 31.Kd3 Rxb2 32.Rd7+ Ke6 33.Rd8 Kf7
34.Rd7+ 1/2-1/2