[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Kudrin, Sergey"]
[Black "Kogan, Boris Markovich"]
[Result "1-0"]
[WhiteElo "2495"]
[BlackElo "2465"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qc5 7. O-O Nc6 8. Qe2 Qb6 9. Nb3 Nge7 10. a4 a6 11. Rd1 Ng6 12. Nbxd4 Nxd4 13. Rxd4 Be7 14. c3 O-O 15. Be3 Qc7 16. Bb3 Bd7 17. Rc4 Qa5 18. Rd1 Bc6 19. Bc2 Qh5 20. Nd4 Qxe2 21. Nxe2 e5 22. Bb6 f5 23. f3 Rae8 24. Kf2 Bg5 25. Bc5 Rf6 26. Be3 h6 27. Rc5 Nh4 28. Bxg5 hxg5 29. g3 Ng6 30. a5 Kf8 31. c4 f4 32. Be4 fxg3+ 33. Nxg3 Nh4 34. Rd3 g4 35. Bxc6 bxc6 36. Ne4 Rf4 37. Rxc6 Nxf3 38. Ke3 Nxh2 39. Rxa6 Nf1+ 40. Ke2 Rxe4+ 41. Kxf1 Rxc4 42. Rb6 Rc2 43. a6 Ra8 44. Re3 Kf7 45. Rxe5 Rd8 46. a7 g3 47. Rf5+ Ke7 48. Kg1 g2 49. Rf2 Rxf2 50. Kxf2 Rd1 51. Kxg2 Ra1 52. Rb7+ Kd6 53. Rxg7 Kc6 54. Kf3 Kb6 55. Ke4 Rxa7 56. Rxa7 Kxa7 57. Kd5 Kb6 58. Kc4 Kc6 59. Kb4 Kb6 60. b3 1-0