[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.27"]
[Round "11"]
[White "Ragozin, Viacheslav"]
[Black "Estrin, Yakov Borisovich"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 Nd7 8. d4 Bf6 9. Be3 O-O 10. Nbd2 Ne7 11. Qe2 b5 12. Bb3 c6 13. Rfd1 Bb7 14. Nf1 Qc7 15. Ng3 g6 16. Bh6 Bg7 17. Qd2 d5 18. exd5 cxd5 19. Nxe5 Nxe5 20. dxe5 Bxh6 21. Qxh6 Qxe5 22. Re1 Qd6 23. Rad1 Qc7 24. Rd4 f5 25. Qg5 Rf7 26. Ne2 Rd8 27. Nf4 Rd6 28. h4 Kh8 29. Rd2 Bc6 30. Rde2 Ng8 31. Ne6 Qd7 32. Qf4 Nf6 33. Qe5 Kg8 34. Nc5 Qd8 35. Nxa6 Ne4 36. Nb4 Bb7 37. f3 Qb6+ 38. Qd4 Qxd4+ 39. cxd4 Nf6 40. Rc1 Rfd7 41. Rc5 Rb6 1-0