[Event "USA op"]
[Site "Aspen"]
[Date "1968.??.??"]
[Round "?"]
[White "Benko, Pal C"]
[Black "Burgar, Wesley"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A10"]

1.c4 f5 2.Nf3 Nf6 3.g3 e6 4.Bg2 Be7 5.O-O O-O 6.b3 Qe8 7.d4 d5 8.Ba3 Bxa3
9.Nxa3 c6 10.Nc2 Nbd7 11.Nb4 Qh5 12.Nd3 Ne4 13.e3 Qh6 14.Nfe5 Ndf6 15.Qe2 Nd6
16.f3 Bd7 17.Nc5 Rad8 18.Rac1 Bc8 19.Ncd3 Nd7 20.c5 Nf7 21.Nxf7 Rxf7 22.b4 Re7
23.f4 Nf6 24.a4 Bd7 25.Ne5 a6 26.b5 axb5 27.axb5 Ra8 28.Ra1 Ree8 29.Qb2 Ng4
30.Nxg4 fxg4 31.Rxa8 Rxa8 32.Ra1 Rxa1+ 33.Qxa1 Qg6 34.Qa8+ Qe8 35.Qxb7 cxb5
36.Bf1 Bc6 37.Qa6 Qd7 38.Be2 h5 39.Kf2 e5 40.dxe5 d4 41.Qa2+ Kf8 42.Qd2 Qd5
43.Qxd4 Qh1 44.Qd8+ Kf7 45.e6+ Kxe6 46.Qg8+ Kd7 47.Qxg7+ Kc8 48.Qh8+ Kb7
49.Qxh5 Bf3 50.Bxb5 Qg2+ 51.Ke1 Qg1+ 52.Kd2 Qd1+ 53.Kc3 Qa1+ 54.Kd3 Qb1+
55.Kd4 Qb2+ 56.Kc4 Qa2+ 57.Kd4 Qb2+ 58.Kc4  1/2-1/2

