[Event "USA op"]
[Site "?"]
[Date "1972.??.??"]
[Round "7"]
[White "Denker, Arnold S"]
[Black "Martz, William E"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D74"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.cxd5 Nxd5 7.d4 Nc6 8.e4 Nb6
9.d5 Nb8 10.Nc3 c6 11.Qb3 cxd5 12.Nxd5 Nxd5 13.exd5 Qb6 14.Nd2 Nd7 15.Re1 Ne5
16.Nc4 Nxc4 17.Qxc4 e6 18.Be3 Qxb2 19.Bc5 Qc3 20.Rac1 Qxc4 21.Rxc4 Re8 22.d6 Rd8
23.Ba3 Rb8 24.Rc7 Bf8 25.Rec1 a5 26.Rd1 b6 27.Ra7 Rd7 28.Rc7 Rd8 29.Ra7 Rd7  1/2-1/2

