[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "18"]
[White "Polugaevsky, Lev"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 O-O 11. Bxf6 Bxf6 12. b4 Nd7 13. O-O b5 14. a4 a6 15. a5 Re8 16. Ne2 Be7 17. Qb3 Bd6 18. Nc1 g5 19. Nd3 g4 20. Nd2 Re6 21. Rfc1 Qg5 22. Ra2 Rae8 23. Rac2 Qh6 24. Nf1 Bb8 25. Nc5 Nxc5 26. Rxc5 Rg6 27. Qc2 Ree6 28. g3 Kg7 29. Qf5 1/2-1/2