[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.12.10"]
[Round "19"]
[White "Poliak, Abram Borisovich"]
[Black "Zilber, Israel"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. g3 Bg7 6. Bg2 O-O 7. e4 e6 8. Nge2 exd5 9. cxd5 Re8 10. Qc2 Bd7 11. O-O b5 12. Re1 a5 13. Bf4 Qb6 14. Nd1 Na6 15. a3 Rac8 16. h3 c4 17. Be3 Qc7 18. Nd4 Nc5 19. Nc3 Nd3 20. Re2 b4 21. axb4 Nxb4 22. Qd2 Rb8 23. Rae1 1/2-1/2