[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.11.20"]
[Round "7"]
[White "Aronson, Lev Abramovich"]
[Black "Borisenko, Georgy Konstantinov"]
[Result "1-0"]
1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. a3 c5 10. b4 b6 11. Rb1 h6 12. Ne1 Nh7 13. Bd2 f5 14. bxc5 bxc5 15. exf5 gxf5 16. f4 exf4 17. Nd3 Ng6 18. Qc1 Qf6 19. Kh1 Ba6 20. Nxf4 Nxf4 21. Rxf4 Rae8 22. Bd3 Bc8 23. Qc2 Ng5 24. Rbf1 Re5 25. Ne2 Qe7 26. Ng3 Ne4 27. Bxe4 fxe4 28. Rxf8+ Bxf8 29. Bc3 e3 30. Bxe5 Qxe5 31. Qg6+ Bg7 32. Nh5 Bf5 33. Qxg7+ Qxg7 34. Nxg7 Kxg7 35. Re1 Bd3 36. Rxe3 Bxc4 37. Re7+ Kf6 38. Re6+ Kf5 39. Rxd6 Ke4 40. Kg1 Bxd5 41. Kf2 h5 42. Ke2 a5 43. Kd2 Kd4 44. Rh6 Bxg2 45. Rxh5 Kc4 46. Rg5 Bh3 47. Rg3 Bf5 48. h4 Kb5 49. h5 Ka4 50. Rg5 1-0