[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.20"]
[Round "7"]
[White "Bykov, Vladimir"]
[Black "Tolush, Alexander V"]
[Result "1-0"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc6 8. d5 Na5 9. Qd3 c5 10. Bd2 a6 11. Rac1 Bd7 12. b3 Rb8 13. e4 b5 14. e5 Ng4 15. e6 Be8 16. Nd1 Ne5 17. Nxe5 dxe5 18. Bc3 Nc6 19. Ne3 Nd4 20. Nc2 bxc4 21. bxc4 Nxe6 22. Qd2 Nd4 23. f4 Ba4 24. Nxd4 exd4 25. Ba5 Qd6 26. Rfe1 Bd7 27. Re2 Bf6 28. Rce1 Rb7 29. h4 Rfb8 30. Kh2 Rb1 31. Qd3 Rxe1 32. Rxe1 Rb2 33. Qa3 Rb8 34. Kh3 h6 35. Re2 g5 36. Bd2 Kg7 37. Kh2 Kf7 38. Qf3 g4 39. Qa3 Rb1 40. Ba5 Kg6 41. Qd3 Rc1 42. Rb2 e5 43. dxe6 Bxe6 44. Rb6 Qe7 45. Qe2 d3 46. Qe3 Rc2 47. Rxe6 Qb7 48. Bd2 1-0