[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.12.07"]
[Round "17"]
[White "Ragozin, Viacheslav"]
[Black "Bykov, Vladimir"]
[Result "1/2-1/2"]

1. e4 c5 2. Ne2 e6 3. g3 d5 4. Bg2 dxe4 5. Bxe4 Nf6 6. Bg2 Nc6 7. d3 Be7 8. Nbc3 O-O 9. O-O Bd7 10. Be3 Rc8 11. h3 Qc7 12. Nb5 Qb6 13. a4 Nb4 14. c3 Nbd5 15. Bd2 a6 16. Na3 Rfd8 17. Nc4 Qc7 18. a5 Bc6 19. Re1 Nd7 20. Nf4 Bf8 21. Qb3 N7f6 22. Bf1 Re8 23. Ne5 Bd6 24. d4 cxd4 25. cxd4 Nxf4 26. Bxf4 Nd5 27. Bd2 Bxe5 28. dxe5 Ne7 29. Be3 Qxe5 30. Ba7 Qd5 31. Qxd5 Nxd5 32. Rac1 Nf6 33. Rc3 Red8 34. Rec1 Ne4 35. R3c2 Ra8 36. Bb6 Rd7 37. Bg2 f5 38. Kh2 Rf8 39. Rxc6 bxc6 40. Rxc6 Re8 41. Be3 Rb7 1/2-1/2