[Event "USA op"]
[Site "Aspen"]
[Date "1968.??.??"]
[Round "?"]
[White "Gross, Ronald Jos"]
[Black "Byrne, Robert E"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E70"]

1.d4 g6 2.c4 Bg7 3.Nc3 Nf6 4.e4 d6 5.Bg5 c5 6.d5 e6 7.Bd3 exd5 8.exd5 O-O
9.Nge2 Nbd7 10.f4 h6 11.Bh4 Re8 12.O-O Nf8 13.h3 N8h7 14.g4 Bd7 15.Qc2 Re3
16.Kg2 Qc7 17.Bf2 Re7 18.Rae1 Rae8 19.Ng3 a6 20.Rxe7 Rxe7 21.Re1  1/2-1/2

