[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.20"]
[Round "7"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Poliak, Abram Borisovich"]
[Result "1-0"]

1. Nf3 d5 2. g3 c5 3. Bg2 g6 4. c4 d4 5. e3 Nc6 6. exd4 cxd4 7. O-O Bg7 8. d3 e5 9. b4 Nge7 10. b5 Nb8 11. Re1 f6 12. Ba3 Kf7 13. Nbd2 Nf5 14. g4 Nd6 15. Nxd4 Bh6 16. N4f3 Bxg4 17. Nxe5+ fxe5 18. Qxg4 Bxd2 19. Rxe5 Re8 20. Bd5+ Kg7 21. Bxd6 Nd7 22. Rxe8 Qxe8 23. Qd4+ Nf6 24. Be5 Bg5 25. Re1 Kh6 26. h4 1-0