[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.14"]
[Round "3"]
[White "Estrin, Yakov Borisovich"]
[Black "Mnatsakanian, Eduard A"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 Qc7 12. O-O O-O 13. Nc3 Bxe5 14. fxe5 Qxe5 15. d4 exd3 16. Qxd3 Bg4 17. Bf4 Qc5+ 18. Be3 Qh5 19. Bd4 Rad8 20. Rxf6 Bxe2 21. Nxe2 gxf6 22. Ng3 Qg6 23. Qc3 Rd5 24. Rf1 Rfd8 25. Bxa7 Qg4 26. Bb6 Ra8 27. h3 Qg6 28. Rxf6 Qg5 29. Ne4 Qh4 30. Qf3 Nc4 31. Bf2 Qh5 32. Qxh5 Rxh5 33. Rxc6 Na5 34. Nf6+ Kh8 35. Rc7 Rg5 36. Bd4 Rd8 37. Bc3 Rg6 38. Bxa5 Rxf6 39. Bc3 Kg7 40. Rc6 1-0