[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

