[Event "Lone Pine"]
[Site "Lone Pine, CA USA"]
[Date "1981.04.05"]
[EventDate "1981.??.??"]
[Round "6"]
[Result "1/2-1/2"]
[White "Peter Biyiasas"]
[Black "Johann Hjartarson"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "84"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.d3 d6 6.Nc3 e6 7.e4
Nge7 8.Bg5 h6 9.Be3 O-O 10.Qd2 Kh7 11.Nh4 b6 12.f4 f5 13.exf5
exf5 14.Nf3 Bb7 15.Rfe1 Ng8 16.Bf2 Nf6 17.h3 Qd7 18.Re2 Rae8
19.Rae1 Nd8 20.Nd1 Bc6 21.Rxe8 Rxe8 22.Rxe8 Qxe8 23.Qe1 Qf7
24.b3 Nd5 25.a3 a5 26.d4 Nf6 27.dxc5 Qb7 28.Nh4 Bxg2 29.Nxg2
dxc5 30.Nc3 Nc6 31.Qe6 Nd4 32.Bxd4 cxd4 33.Ne2 Qf3 34.Kh2 Ne4
35.Qxg6+ Kh8 36.Qe8+ Kh7 37.Qb5 Nd2 38.Qxf5+ Kh8 39.Qc8+ Kh7
40.Qf5+ Kh8 41.Qc8+ Kh7 42.Qf5+ Kh8 1/2-1/2