[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.11.15"]
[Round "4"]
[White "Lein, Anatoly"]
[Black "Tolush, Alexander V"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bb5 a6 12. Bxc6 Qxc6 13. Ne5 Qc7 14. Qf3 Rd8 15. Rd1 Bd7 16. a4 Rac8 17. Nxd7 Rxd7 18. Ba3 cxd4 19. cxd4 Qa5 20. h3 h6 21. Rdb1 Rc4 22. Rxb7 Rxa4 23. Rb8+ Kh7 24. Rb3 Rd5 25. Qd1 Ne4 26. Ra2 f5 27. Bb4 Qb5 28. Rxa4 Qxa4 29. Rb1 Qd7 30. Be1 e5 31. Qe2 exd4 32. exd4 Qa4 33. Rb6 a5 34. Qh5 Nd6 35. Rxd6 Rxd6 36. Qxf5+ Kg8 37. Qc8+ Kf7 38. Qf5+ Ke7 39. Qe5+ Re6 40. Qxg7+ Kd6 41. Qf8+ Kd7 42. Qf7+ Kd6 43. Bc3 Qa2 44. Qf8+ Re7 45. Qb8+ Rc7 46. Qb6+ Kd7 47. Bxa5 Rc1+ 48. Kh2 Qxf2 49. Qd8+ Ke6 50. Qe8+ Kd6 51. Bb4+ Kc7 52. Qe5+ Kb7 53. Qb5+ Kc8 54. Qe8+ Kb7 55. Qb5+ Kc8 56. Qa6+ Kd7 57. Qd6+ Kc8 58. Qxh6 Rf1 59. Qe6+ Kb7 60. Qe4+ Kb6 61. h4 Kb5 62. Bd6 Kc4 63. d5+ Kb5 64. Qb4+ Ka6 65. Qc4+ Kb6 66. Bc5+ Qxc5 67. Qxf1 Qd6+ 68. Kh3 Qd7+ 69. Kh2 Qd6+ 70. Kh3 Qd7+ 71. g4 Qxd5 72. h5 Qg5 73. Qf5 Qe3+ 74. Kh4 Kc7 75. Qf6 Kd7 76. h6 Ke8 77. Kh5 Qh3+ 78. Kg5 Qe3+ 79. Kg6 Qe4+ 80. Kg7 Qb7+ 81. Kh8 Qe4 82. g5 Qd3 83. g6 Qd6 84. Qf7+ Kd8 85. h7 1-0