[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.11"]
[Round "1"]
[White "Ragozin, Viacheslav"]
[Black "Ravinsky, Grigory Ionovich"]
[Result "0-1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. c3 Be7 7. e3 O-O 8. b3 Qc7 9. Bb2 b6 10. Nbd2 Ba6 11. Re1 Rfd8 12. Qb1 Rac8 13. Bh3 Rb8 14. a3 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. Qf5 Qc7 18. Bg2 Bc8 19. Qc2 c4 20. e4 cxb3 21. Qxb3 dxe4 22. Nxe4 Be6 23. Qc2 Nxe4 24. Bxe4 h6 25. a4 Bf6 26. Re3 Qc4 27. Bd3 Qb3 28. Qxb3 Bxb3 29. Kf1 Rbc8 30. Ke2 Rc5 31. Ra3 Be6 32. Bc2 Rh5 33. h4 Be7 34. Ra1 Bc5 35. Rxe6 fxe6 36. f4 Rhd5 37. Bc1 Kf8 38. Be4 Rd1 39. Rb1 Rg1 40. Be3 Bxe3 41. Kxe3 Rxb1 42. Bxb1 Rd1 43. Bd3 Rc1 44. Kd4 Rg1 45. Bb5 Ke7 0-1