[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.12.07"]
[Round "17"]
[White "Simagin, Vladimir Pavlovich"]
[Black "Gurgenidze, Bukhuti"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c5 5. d5 d6 6. Bg2 O-O 7. e3 Na6 8. Nge2 Nc7 9. O-O Rb8 10. a4 b6 11. e4 a6 12. Rb1 b5 13. axb5 axb5 14. b4 bxc4 15. bxc5 Rxb1 16. Nxb1 dxc5 17. Nec3 Nd7 18. Be3 Ba6 19. f4 Nb5 20. Nxb5 Bxb5 21. e5 Qa5 22. Bd2 Qa6 23. Nc3 Nb6 24. Qb1 Bd7 25. Qb2 Rb8 26. Be3 Bf5 27. Ra1 Qc8 28. Qb5 Nd7 29. Qxc4 Rb4 30. Qe2 Nb6 31. Bf2 Bf8 32. Ra5 Rc4 33. Qe1 Nd7 34. Bf1 Rb4 35. Qd1 h5 36. h3 Qc7 37. Ra2 c4 38. Qd4 Bg7 39. d6 exd6 40. Nd5 dxe5 41. Qa7 Qd6 42. Nxb4 Qxb4 43. Ra4 Qb1 44. Ra1 Qb2 45. Qa8+ Kh7 46. g4 hxg4 47. hxg4 Bxg4 48. Bxc4 exf4 49. Qh1+ Bh5 50. Rf1 Ne5 51. Bd5 Qe2 52. Re1 Qg4+ 53. Qg2 Qxg2+ 54. Kxg2 Nd3 55. Re7 Nxf2 56. Kxf2 f5 57. Bf3 Bg4 58. Re6 Kh6 59. Ra6 Bd4+ 60. Kg2 Kg5 61. Rd6 Be3 62. Ra6 Kh5 63. Rf6 Kg5 64. Rf8 Kh6 65. Rf7 g5 66. Bd5 Kg6 67. Re7 Be2 68. Re6+ Kh5 69. Bf3+ Bxf3+ 70. Kxf3 g4+ 71. Ke2 Bd4 72. Re8 f3+ 0-1