[Event "USA-ch"]
[Site "Estes Park"]
[Date "1985.??.??"]
[Round "8"]
[White "De Firmian, Nick E"]
[Black "Kudrin, Sergey"]
[Result "1-0"]
[WhiteElo "2540"]
[BlackElo "2485"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 dxc4 7. O-O Nc6 8. Qa4 Nd5 9. Qc2 Be7 10. Rd1 Rb8 11. e4 Ncb4 12. Qd2 Nf6 13. Ne5 c5 14. d5 exd5 15. exd5 Ne8 16. Nxc4 Bg4 17. Re1 Bf5 18. g4 Bxg4 19. a3 Na6 20. Qf4 Bd7 21. Be3 Bf6 22. Rad1 b6 23. Ne4 Nac7 24. Rd2 Bb5 25. Ne5 h6 26. Qf5 Bxe5 27. Qxe5 f5 28. Nc3 Nd6 29. Qg3 Qf6 30. Bf4 Rfe8 31. Re6 Nxe6 32. dxe6 Nc4 33. Bxb8 Nxd2 34. Nxb5 Qxb2 35. h3 Qxb5 36. Be5 Re7 37. Bf6 f4 38. Qg4 Qe8 39. Bd5 c4 40. Bxe7 Qxe7 41. Qxf4 c3 42. Qe3 Nb1 43. Qc1 Nxa3 44. Qxc3 Qg5+ 45. Bg2 Qc5 46. Qf3 Qe7 47. Qa8+ Kh7 48. Qd5 Kg8 49. Qa8+ Kh7 50. Qc6 Kg6 51. h4 Kf6 52. Qf3+ Ke5 53. Qd5+ Kf6 54. Bh3 g5 55. Qd4+ Kg6 56. h5+ Kxh5 57. Bf5 1-0