[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.12.01"]
[Round "14"]
[White "Averbakh, Yuri L"]
[Black "Yukhtman, Jacob"]
[Result "0-1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. Nh3 d5 6. Nf4 c6 7. e3 Qd6 8. O-O Nbd7 9. b3 g5 10. Nh5 Nxh5 11. Qxh5+ Qg6 12. Qxg6+ hxg6 13. f4 gxf4 14. gxf4 Nc5 15. Ba3 Ne6 16. Ne2 Nc7 17. c4 Be6 18. Rac1 Kd7 19. Rc2 Rh4 20. Nc1 Rah8 21. Nd3 Bf7 22. Bf3 Bf6 23. Bb4 e6 24. Be1 R4h7 25. Bg3 Ne8 26. c5 Nc7 27. b4 Nb5 28. Nb2 g5 29. Rd1 gxf4 30. Bxf4 a5 31. bxa5 Ra8 32. a4 Nc7 33. Rd3 Rxa5 34. Rb3 Kc8 35. Rg2 e5 36. dxe5 Be7 37. Nd3 Rxa4 38. Rgb2 Nb5 39. Kg2 d4 40. Rxb5 cxb5 41. Rxb5 Bc4 42. Bxb7+ Kd8 43. Rb4 Rxb4 44. Nxb4 Bxc5 45. Ba6 Bxa6 46. Nxa6 d3 47. e4 Bb6 48. exf5 Ba5 49. Kf3 d2 50. Bxd2 Bxd2 51. Ke4 Rh4+ 52. Kd5 Ke7 53. Nb8 Bg5 54. f6+ Kf7 55. Nd7 Rh8 56. e6+ Kg6 57. e7 Kf7 58. Ke5 Bc1 0-1