[Event "URS-ch18 Semifinal"]
[Site "Leningrad"]
[Date "1950.??.??"]
[Round "4"]
[White "Khasin, Abram Iosifovich"]
[Black "Kopylov, Nikolai Georgievich"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. f4 a5 10. Be3 a4 11. Nc1 exf4 12. Rxf4 a3 13. b3 Be6 14. Nd5 Bxd5 15. exd5 Ne5 16. c4 Ng6 17. Rf5 Nd7 18. Bd4 Bf6 19. Bxf6 Nxf6 20. Qd4 Re8 21. Bd3 Qe7 22. Ne2 Qe3+ 23. Qxe3 Rxe3 24. Rf3 Rxf3 25. gxf3 Ne5 26. Be4 Nxe4 27. fxe4 Kf8 28. Nc3 Ke7 29. Kf2 Kd7 30. Ke3 h5 31. Rf1 f6 32. Kd4 h4 33. h3 Rh8 34. Nb5 b6 35. Ke3 Rh6 36. Nxa3 Rg6 37. Kf2 Rg3 38. Rg1 Rf3+ 39. Ke2 g5 40. Rh1 Rg3 41. Rf1 Ke7 42. Nb5 Rxh3 43. Nd4 Ng6 44. Nc6+ Kf7 45. Nd8+ Ke8 46. Ne6 Ke7 47. Rf3 Rxf3 48. Kxf3 Ne5+ 49. Kg2 Nd3 50. Nd4 Kd7 51. Kf3 Ne5+ 52. Kg2 Nd3 53. Kf3 Nc1 54. a3 Nd3 55. Nf5 Nc5 56. b4 Nd3 57. Ke3 Ne5 58. Kd4 h3 59. Ng3 h2 60. a4 Kc7 61. c5 dxc5+ 62. bxc5 bxc5+ 63. Kxc5 Nd3+ 64. Kd4 Nf4 65. Ke3 Kd6 66. a5 Nxd5+ 1/2-1/2