[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.12.03"]
[Round "15"]
[White "Yukhtman, Jacob"]
[Black "Aronson, Lev Abramovich"]
[Result "1-0"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 Bg4 7. Be2 e6 8. Nc3 Bb4 9. O-O Qa5 10. Ne4 Nf6 11. Nxf6+ gxf6 12. Bf4 O-O 13. a3 Be7 14. Qb3 Qb6 15. Qxb6 axb6 16. Rfd1 Ra4 17. Be3 Rd8 18. d5 Rxd5 19. Rxd5 exd5 20. Bxb6 Ra8 21. Rd1 Be6 22. Nd4 Bd8 23. Bxd8 Rxd8 24. f4 Kf8 25. Kf2 Ke7 26. Ke3 Kd6 27. b4 Nxd4 28. Kxd4 Ra8 29. Ra1 Bd7 30. Bf3 Bc6 31. a4 Rxa4 32. Rxa4 Bxa4 33. Bxd5 Bc6 34. Bxc6 Kxc6 35. g4 Kb5 36. Kc3 Kb6 37. Kc4 Kc6 38. Kd4 Kb5 39. Kc3 Kb6 40. Kc4 Kc6 41. h3 Kb6 42. b5 Kc7 43. Kc5 b6+ 44. Kd5 Kd7 45. g5 Kc7 46. h4 Kd7 47. h5 Kc7 48. Ke4 Kd6 49. Kf5 Ke7 50. gxf6+ Kf8 51. Ke5 h6 52. Kd6 Kg8 53. Kc6 1-0