[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.12.04"]
[Round "16"]
[White "Estrin, Yakov Borisovich"]
[Black "Poliak, Abram Borisovich"]
[Result "1-0"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. Bd3 b6 9. b4 a5 10. Na4 bxc5 11. bxc5 Ba6 12. O-O Nc6 13. Rb1 Bxd3 14. Qxd3 Nb4 15. Qe2 Nd7 16. Bf4 Qc8 17. a3 Nc6 18. Qb2 Ra7 19. Qb5 Bd8 20. Bd6 Re8 21. Nb6 Qb7 22. Nxd7 Qxd7 23. Ne5 Nxe5 24. dxe5 Qxb5 25. Rxb5 Bc7 26. Rfb1 Rc8 27. Rb7 Rxb7 28. Rxb7 Bd8 29. Rb8 Rxb8 30. Bxb8 Kf8 31. c6 f6 32. c7 1-0