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

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. Qe2 d6 9. Be3 Bxe3 10. Qxe3 Nf6 11. N1d2 e5 12. Rfd1 O-O 13. Bf1 d5 14. exd5 Nxd5 15. Qc5 Nf4 16. Ne4 Qh4 17. Nd6 Rd8 18. c3 Qh5 19. f3 Qg6 20. Kh1 h5 21. Rd2 Bf5 22. Nxf5 Rxd2 23. Ne7+ Nxe7 24. Nxd2 Nc6 25. Nc4 Rc8 26. Qe3 Nd5 27. Qc5 Nf4 28. Qe3 Nd5 29. Qc5 Nf4 1/2-1/2