[Event "USA op"]
[Site "USA"]
[Date "1990.??.??"]
[Round "?"]
[White "Denker, Arnold S"]
[Black "Gallagher, Joseph G"]
[Result "1/2-1/2"]
[WhiteElo "2320"]
[BlackElo "2470"]
[ECO "D90"]

1.d4 Nf6 2.Nf3 c5 3.c3 cxd4 4.cxd4 d5 5.Nc3 g6 6.Bf4 Bg7 7.e3 O-O 8.Bd3 Bg4
9.h3 Bxf3 10.Qxf3 Nc6 11.O-O Rc8 12.Rfd1 Qd7 13.Rac1 Rfd8 14.Bh2 Qe8 15.Bb5 e6
16.Qe2 a6 17.Ba4 Qe7 18.a3 b5 19.Bb3 Na5 20.Ba2 Qb7 21.Nb1 Bf8 22.f3 Nc4
23.Bg3 Bh6 24.Bf2 Nd6 25.Nd2 Rxc1 26.Rxc1 Rc8 27.Qd1 Nf5 28.Rxc8+ Qxc8 29.Nf1 Qc6
30.Bb3 Nd6 31.Qd2 Nd7 32.Be1 Nb6 33.Qa5 Nbc4 34.Qd8+ Qe8 35.Qxe8+ Nxe8 36.Bxc4 bxc4
37.Kf2 Nd6 38.Bb4 Bf8 39.Nd2 f5 40.g3 Kf7 41.Nb1 Ke7 42.Nc3 Kd7 43.Ke2 Bg7
44.Bxd6 1/2-1/2