[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "10"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Kogan, Boris Markovich"]
[Result "1-0"]
[WhiteElo "2495"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. dxc5 Bxc5 6. Bd3 Nc6 7. c3 Nge7 8. O-O O-O 9. Nb3 Bb6 10. Bf4 Ng6 11. Bg3 f5 12. exf5 exf5 13. Nbd4 Bxd4 14. cxd4 f4 15. Bxg6 hxg6 16. Bh4 Qd6 17. Qd2 Bg4 18. Ne5 g5 19. Bxg5 Nxe5 20. dxe5 Qxe5 21. f3 Bd7 22. h4 Rae8 23. Rad1 Rf5 24. Rfe1 Qd6 25. Rxe8+ Bxe8 26. Qd4 Bc6 27. Re1 a5 28. Re4 Qg6 29. Rxf4 Rxf4 30. Bxf4 a4 31. a3 Kh7 32. Be5 Qf7 33. Kf2 Bb5 34. g4 Bc4 35. h5 Kg8 36. Qe3 Qe7 37. Bd4 Qxe3+ 38. Kxe3 Bb3 39. Kf4 Bd1 40. Kg3 Be2 41. f4 Kf7 42. f5 Bd1 43. Kh4 Bc2 44. Kg5 Bd1 45. Kh4 Bc2 46. h6 gxh6 47. Kh5 Bd1 48. Be3 Kf6 49. Bxh6 d4 50. Bg5+ Ke5 51. f6 Ke6 52. Kg6 Bxg4 53. f7 Bh5+ 54. Kxh5 Kxf7 55. Kg4 Ke6 56. Kf3 Kd5 57. Ke2 Kc4 58. Kd2 b5 59. Be7 Kb3 60. Kd3 Kxb2 61. Kxd4 Kb3 62. Bb4 Kc2 63. Kc5 Kd3 64. Kxb5 1-0