[Event "US-op"]
[Site "Lincoln"]
[Date "1969.??.??"]
[Round "12"]
[White "Benko, Pal C"]
[Black "Martz, William E"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B36"]

1.c4 g6 2.Nc3 Nf6 3.e4 c5 4.Nf3 Nc6 5.d4 cxd4 6.Nxd4 Nxd4 7.Qxd4 d6 8.b3 Bg7
9.Bb2 O-O 10.Be2 Qa5 11.O-O Bg4 12.f3 Be6 13.Qd2 Rfc8 14.Rad1 a6 15.f4 b5
16.f5 Bd7 17.g4 Bc6 18.g5 Qb6+ 19.Rf2 Nd7 20.Nd5  1/2-1/2

