[Event "USA-ch"]
[Site "Estes Park"]
[Date "1987.??.??"]
[Round "9"]
[White "Kogan, Boris Markovich"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[WhiteElo "2460"]
[BlackElo "2505"]

1. d4 Nf6 2. Nf3 e6 3. g3 b5 4. Bg2 Bb7 5. O-O c5 6. c3 Na6 7. Bg5 Be7 8. Nbd2 O-O 9. a3 cxd4 10. cxd4 Qb6 11. b4 Rac8 12. Nb3 d6 13. Na5 Be4 14. Ne1 Bxg2 15. Nxg2 Nb8 16. Nf4 Rc3 17. e3 Rfc8 18. Ne2 R3c7 19. Qd3 Nd5 20. Bxe7 Nxe7 21. Rfc1 Nbc6 22. Nb3 a5 23. bxa5 Nxa5 24. Rxc7 Rxc7 25. Nxa5 Qxa5 26. Rb1 Rb7 27. Rb3 Rb6 28. Nc3 b4 29. Qb1 Nc6 30. Na2 g6 31. axb4 Qb5 32. Qb2 e5 33. dxe5 Nxe5 34. e4 Qc4 35. Re3 Ra6 36. Re2 Nf3+ 37. Kg2 Nd4 38. Rd2 Nb5 39. f3 Rc6 40. h4 h5 41. Qb1 Na3 42. Qb2 Nc2 43. Kf2 Kh7 44. Qb1 Na3 45. Qb2 Nc2 46. Qb1 Na3 47. Qf1 Qb3 48. Qe2 Rc2 49. Rxc2 Nxc2 50. Nc1 Qc3 51. b5 Qc5+ 52. Kg2 Ne3+ 53. Kf2 Nd1+ 54. Ke1 Nc3 55. Qd3 Nxb5 56. Ne2 Na3 57. Qc3 Nc4 58. Qd4 Ne5 59. Kf2 Qa3 60. Qc3 Qa7+ 61. Qd4 Qa3 62. Qc3 1/2-1/2