[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.18"]
[Round "6"]
[White "Estrin, Yakov Borisovich"]
[Black "Zilber, Israel"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Bg2 Nc6 8. O-O Be7 9. Nde2 O-O 10. a4 b6 11. h3 Bb7 12. g4 d5 13. exd5 Rad8 14. Bf4 e5 15. Bg5 Nb4 16. Bxf6 Bxf6 17. Ng3 Qc4 18. Nf5 e4 19. Nxe4 Be5 20. Ne3 Qc7 21. c4 Nc6 22. Rb1 Bf4 23. Qe2 Ne5 24. b3 Ng6 25. Nf5 Bc8 26. Neg3 Rfe8 27. Qc2 Bb7 28. Rbd1 Be5 29. Rfe1 Nf4 30. Qd2 Nxg2 31. Kxg2 b5 32. axb5 axb5 33. Re4 g6 34. Rde1 gxf5 35. Qg5+ Kf8 36. Rxe5 Rxe5 37. Rxe5 bxc4 38. bxc4 Qxe5 39. Qxd8+ Qe8 40. Qxe8+ Kxe8 41. Nxf5 Ba6 42. c5 Bc4 43. Nd6+ 1-0