[Event "USA-ch"]
[Site "El Paso"]
[Date "1973.??.??"]
[Round "10"]
[White "Byrne, Donald"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]
[WhiteElo "2475"]
[BlackElo "2530"]
[ECO "A21"]

1.g3 e5 2.c4 d6 3.Bg2 f5 4.Nc3 Nf6 5.d3 g6 6.Nf3 Bg7 7.O-O O-O 8.Bd2 c6 9.Rc1 Qe7
10.b4 a6 11.a4 Kh8 12.a5 Be6 13.c5  1/2-1/2

