[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "3"]
[White "Nei, Iivo"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 Nf4 12. hxg5 hxg5 13. Bf1 f5 14. Nd2 Nc5 15. Qc2 c6 16. f3 cxd5 17. cxd5 fxe4 18. Ndxe4 Nxe4 19. fxe4 a6 20. Bf2 g4 21. Qd2 Bd7 22. O-O-O Rc8 23. Kb1 b5 24. Be3 Qe8 25. Ne2 Nh5 26. Qe1 Qg6 27. Ng3 Nf4 28. Qd2 Bf6 29. Bd3 Bg5 30. Rh2 Nxd3 31. Bxg5 Rf2 32. Qxd3 Qxg5 33. Rdh1 Qg7 34. Qe3 Rcc2 35. Rh8+ Qxh8 36. Rxh8+ Kxh8 37. Qh6+ Kg8 38. Qg6+ Kh8 39. Qh6+ Kg8 40. Qg6+ Kh8 41. Qh6+ 1/2-1/2