[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "3"]
[White "Kogan, Boris Markovich"]
[Black "Byrne, Robert Eugene"]
[Result "1-0"]
[BlackElo "2510"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bb4 11. Bg5 Bxc3 12. bxc3 Be4 13. Qb2 Qd5 14. Bxf6 gxf6 15. Ne1 Bxg2 16. Nxg2 Nd7 17. Ne3 Qc6 18. d5 exd5 19. Nxd5 Rae8 20. Rd4 Re5 21. Qd2 Rxd5 22. Rxd5 Nc5 23. Rh5 Re8 24. Rd1 Ne6 25. Qc2 Ng5 26. h4 Qe4 27. Qxe4 Nxe4 28. Rd4 c5 29. Rxc4 b5 30. axb5 axb5 31. Rcxc5 Nxc5 32. Rxc5 Rxe2 33. Rxb5 Rc2 34. Rc5 Kf8 35. Rc7 Kg7 36. Kg2 Kg6 37. Rc5 h5 38. Kf3 Kg7 39. Ke3 Kg6 40. f3 Rc1 41. Kf4 Rc2 42. Rc8 Rc1 43. c4 Rc3 44. c5 Kg7 45. Ke4 f5+ 46. Kd4 Rxf3 47. c6 Rf1 48. Rb8 Rc1 49. Kd5 Kf6 50. Kd6 Rd1+ 51. Kc5 Rc1+ 52. Kb6 Rb1+ 53. Ka7 Ra1+ 54. Kb7 Rb1+ 55. Kc8 Rc1 56. c7 f4 57. gxf4 Kf5 58. Rb4 Kg4 59. f5+ Kxf5 60. Kb7 Ke5 61. c8=Q 1-0