[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Kudrin, Sergey"]
[Black "De Firmian, Nick E"]
[Result "0-1"]
[WhiteElo "2495"]
[BlackElo "2490"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Be6 9. Bxe6 fxe6 10. Ng5 Qd7 11. Qf3 d5 12. exd5 exd5 13. O-O-O d4 14. Nce4 O-O 15. Bd2 Nc6 16. Nxf6+ Bxf6 17. Qb3+ Kh8 18. h4 b5 19. Ne4 b4 20. f3 a5 21. Qd3 Qe6 22. Kb1 a4 23. g4 Be7 24. Bg5 b3 25. cxb3 axb3 26. a3 Bxa3 27. bxa3 Rxa3 28. Bc1 Nb4 29. Bxa3 Nxd3 30. Bxf8 Qa6 31. Rh2 b2 32. Rhh1 Qa1+ 33. Kc2 Nc1 34. Rxc1 bxc1=Q+ 35. Rxc1 Qa2+ 36. Kd3 Qb3+ 37. Nc3 dxc3 38. Rxc3 Qf7 39. Bc5 Qxf3+ 40. Be3 Qxg4 41. Rc4 Qf5+ 42. Kd2 h6 43. Rb4 Kh7 44. Rc4 Qd7+ 45. Kc3 Kg6 46. Rc5 Kf5 47. Rc4 Qd8 48. Kc2 e4 0-1