[Event "USA-ch"]
[Site "Estes Park"]
[Date "1986.??.??"]
[Round "?"]
[White "Kogan, Boris Markovich"]
[Black "Fedorowicz, John P"]
[Result "0-1"]
[WhiteElo "2465"]
[BlackElo "2525"]

1. d4 Nf6 2. Nf3 c5 3. e3 b6 4. Bd3 Bb7 5. O-O g6 6. Nbd2 Bg7 7. c3 O-O 8. b4 d6 9. bxc5 dxc5 10. Bb2 Nc6 11. Qe2 Qc7 12. e4 cxd4 13. cxd4 Nh5 14. g3 Rad8 15. Qe3 Qd7 16. Nb3 Nb4 17. Bb1 Rc8 18. Qd2 a5 19. a3 Na6 20. d5 Nf6 21. Bd3 a4 22. Nbd4 Nc5 23. Rfe1 Nxd3 24. Qxd3 Ng4 25. Qe2 e5 26. Nc2 f5 27. Nb4 fxe4 28. Qxe4 Qf5 29. Qxf5 Rxf5 30. h3 Rxf3 31. hxg4 Bf8 32. Bxe5 Bc5 33. Ra2 Rxa3 34. Rxa3 Bxb4 35. Raa1 Bxe1 36. Rxe1 Bxd5 37. f4 Be6 38. Bd4 Rc6 39. Rb1 Bb3 40. Kf2 b5 41. f5 Bc4 42. Rc1 gxf5 43. gxf5 Kf7 44. Rh1 h6 45. g4 a3 46. g5 hxg5 47. Rh7+ Ke8 48. Ra7 a2 49. Ke3 b4 50. Rb7 b3 51. Rb8+ Kd7 52. Rb7+ Rc7 53. Rb6 Rc6 54. Rb7+ Kc8 55. Rb4 Bd5 56. Bg7 Rc1 57. Ra4 Rf1 58. f6 b2 0-1