[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "4"]
[White "Fedorowicz, John P"]
[Black "Kogan, Boris Markovich"]
[Result "1-0"]
[WhiteElo "2435"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 g6 8. d4 Qe7 9. dxe5 dxe5 10. Bc2 Bg7 11. h3 O-O 12. Be3 Nh5 13. Nbd2 Nd8 14. b4 Ne6 15. Nc4 f6 16. Bb3 Kh8 17. Qc2 Rad8 18. Rad1 Bc8 19. a4 Nhf4 20. Bc1 Rxd1 21. Rxd1 Rd8 22. Ne3 c6 23. Nc4 Rxd1+ 24. Qxd1 Nd8 25. Be3 Be6 26. Bc5 Qe8 27. Bb6 Nf7 28. Na5 Bxb3 29. Nxb3 Bf8 30. Na5 Qc8 31. Be3 Ne6 32. Nd2 Qd7 33. Qe2 b5 34. axb5 axb5 35. Kh2 Kg7 36. Ndb3 Nfd8 37. Bb6 Be7 38. Qe3 Kf7 39. Nc5 Bxc5 40. Bxc5 Nf4 41. c4 Qd1 42. cxb5 Qf1 43. Qf3 cxb5 44. h4 Nde6 45. Be3 Qd3 46. Nc6 Qc4 47. Na7 Qxb4 48. g3 Nh5 49. Qd1 Nd4 50. Bxd4 exd4 51. Nc6 Qc4 52. Nxd4 Ng7 53. Qa1 Qc5 54. Qa2+ Ke7 55. Qb2 Qc4 56. Nxb5 Qxe4 57. Qa3+ Ke6 58. Qa6+ Ke7 59. Qa3+ Ke6 60. Qa2+ Ke7 61. Qg8 Ne6 62. Qxh7+ Kd8 63. Qa7 g5 64. Qa5+ Kd7 65. Qa7+ Kd8 66. Qb6+ Ke7 67. Qd6+ Kf7 68. Qd7+ Kg6 69. Qe8+ Kg7 70. Qe7+ Kg6 71. Qe8+ Kg7 72. Qe7+ Kg6 73. h5+ Kxh5 74. Qxf6 g4 75. Nd6 Qf3 76. Qh8+ Kg6 77. Qe8+ Kg7 78. Qe7+ Kh8 79. Nf7+ Kg8 80. Nh6+ Kh8 81. Qf7 Qxf7 82. Nxf7+ Kg7 83. Ne5 Kf6 84. Nxg4+ Kf5 85. f3 Kg5 86. Kg2 Kf5 87. Nf2 Ke5 88. Nh3 Kd4 89. Kf2 Nc5 90. g4 Nd3+ 91. Kg3 Ke5 92. f4+ Kf6 93. Nf2 Nc5 94. Kf3 Kf7 95. g5 Ne6 96. Kg4 Kg7 97. f5 Nf8 98. Ne4 Kf7 99. Kh5 Kg7 100. g6 Nd7 101. f6+ Kg8 102. Kg5 Kh8 103. Kf5 Kg8 104. Ng5 Kh8 105. Ke6 1-0