[Event "82nd US Open"]
[Site "Palo Alto, CA USA"]
[Date "1981.08.04"]
[EventDate "1981.08.02"]
[Round "3"]
[Result "0-1"]
[White "William Abbott"]
[Black "Peter Biyiasas"]
[ECO "C69"]
[WhiteElo "2140"]
[BlackElo "2527"]
[PlyCount "72"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Qxd4 Qxd4 8.  Nxd4 c5 9. Ne2 Bd7 10. Nbc3 O-O-O 11. Be3 Bd6 12. Rad1 Ne7 13. Nf4 b6 14. f3  Be5 15. Nfe2 Rhe8 16. f4 Bd6 17. Ng3 Bc6 18. Rde1 Ng6 19. Nf5 Bf8 20. Bc1 b5  21. Ng3 c4 22. Kf2 Bb4 23. Re2 Bc5+ 24. Be3 Bd6 25. Kf3 Ne7 26. Kf2 b4 27. Nb1  c3 28. Rd1 Bb5 29. Ree1 cxb2 30. Nd2 Ng6 31. Kf3 c5 32. Nf5 Bf8 33. Nb1 a5 34.  a3 Ba4 35. axb4 Rxd1 36. Rxd1 Bxc2 0-1