[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.12"]
[Round "10"]
[White "Vidmar, Richard S"]
[Black "Riddle, Ira Lee"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1085"]
[BlackElo "1579"]
[PlyCount "62"]
[EventDate "1987.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Bf5 4. e3 e6 5. Bxc4 Bb4 6. Bd2 Bxc3 7. Bxc3 Nf6 8. Nf3 Nc6 9. 0-0 Ne4 10. Rc1 0-0 11. Qb3 b6 12. d5 Nxc3 13. Rxc3 Na5 14. Qd1 Nxc4 15. Rxc4 exd5 16. Rxc7 Qxc7 17. Qxd5 Be6 18. Qd4 Qc4 19. Qe5 Qxa2 20. Nd4 Qd5 21. Qxd5 Bxd5 22. g3 a5 23. Rd1 a4 24. Nb5 Bb3 25. Rd6 g6 26. Rxb6 Rab8 27. Rxb8 Rxb8 28. Nd4 Bd5 29. Kf1 Rxb2 30. f4 a3 31. h4 a2 0-1

[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.02"]
[Round "1"]
[White "Vidmar, Richard S"]
[Black "Wyatt, Geoffrey P"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1085"]
[BlackElo "1865"]
[PlyCount "66"]
[EventDate "1987.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nc3 g6 6. Nf3 Bg7 7. Be2 0-0 8. 0-0 Nbd7 9. cxd5 Nb6 10. Bg5 Nfxd5 11. Nxd5 Nxd5 12. Bc4 Be6 13. b3 a6 14. a3 Re8 15. Re1 Qd6 16. Qd2 Rad8 17. Bh4 Qf4 18. Qxf4 Nxf4 19. Red1 Bxc4 20. bxc4 Ne2+ 21. Kh1 Nxd4 22. Nxd4 Rxd4 23. Rxd4 Bxd4 24. Rf1 e5 25. f3 Ra8 26. Rc1 b5 27. cxb5 axb5 28. Bg5 Rxa3 29. f4 e4 30. Bh4 Be3 31. Rc2 Bxf4 32. Kg1 h5 33. Kf1 Bxh2 0-1

