[Event "USA-ch"]
[Site "Greenville"]
[Date "1980.06.22"]
[Round "9"]
[White "Biyiasas, Peter"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2530"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 a6 8. cxd5 exd5 9. Be2 c6 10. O-O Re8 11. Ne1 Nf8 12. Nd3 Ng6 13. Bxf6 Bxf6 14. Bg4 Be7 15. Bxc8 Rxc8 16. Ne2 Bd6 17. Ng3 Qh4 18. Rc3 Ne7 19. Ne1 Nf5 20. Nf3 Qf6 21. Nxf5 Qxf5 22. Ne1 Re4 23. Qf3 Qg5 24. Nd3 h5 25. Rfc1 h4 26. Qh3 f5 27. g3 Rf8 28. Kf1 Rf6 29. Qg2 Qh5 30. Ke1 f4 31. gxf4 Bxf4 32. Qh3 Qe8 33. Kd2 Bd6 34. Rg1 Qf8 35. Ke2 c5 36. dxc5 d4 37. Rc4 Rxf2+ 38. Nxf2 Rxe3+ 39. Qxe3 dxe3 40. Ng4 Bxh2 41. Rf1 Qd8 42. Nxe3 Be5 43. b4 h3 44. Re4 Bc3 45. Rd1 Qg5 46. Rd5 Qf6 47. Rh5 Qf7 48. Rxh3 Qxa2+ 49. Kf3 1/2-1/2