[Event "88th US Open"]
[Site "Portland, OR USA"]
[Date "1987.08.07"]
[EventDate "1987.08.02"]
[Round "6"]
[Result "0-1"]
[White "Ralph Dubisch"]
[Black "William Mark Duckworth"]
[ECO "C02"]
[WhiteElo "2112"]
[BlackElo "2291"]
[PlyCount "58"]

1.e4 e6 2.d4 d5 3.e5 b6 4.c3 Qd7 5.g4 Ne7 6.f4 c5 7.Nf3 h5
8.gxh5 Rxh5 9.dxc5 bxc5 10.Be3 Nf5 11.Bf2 Ba6 12.Ng5 g6 13.Bh3
Ng7 14.Bg4 Rh8 15.Nd2 Nh5 16.Qf3 Nc6 17.Nb3 Rb8 18.Bxc5 Rxb3
19.axb3 Bxc5 20.Rxa6 Qb7 21.Ra1 Qxb3 22.Rd1 Qxb2 23.Nxf7 Kxf7
24.Bxe6+ Kg7 25.Rxd5 Qc1+ 26.Rd1 Qxf4 27.Rd7+ Kh6 28.Qxc6 Qc1+
29.Ke2 Nf4+ 0-1