[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "4"]
[White "Bronstein, David Ionovich"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 a6 9. Bxf6 gxf6 10. N5c3 f5 11. Qh5 Nd4 12. Bc4 Qc7 13. Nd2 Nxc2+ 14. Ke2 Nxa1 15. Nd5 Qc6 16. Rc1 Be6 17. Nf6+ Kd8 18. Rc3 Be7 19. Bxe6 fxe6 20. Rxc6 bxc6 21. Qh6 Nc2 22. Nf3 fxe4 23. Nxe4 Kd7 24. Qd2 Nd4+ 25. Nxd4 exd4 26. Qxd4 d5 27. f4 Rhb8 28. Nf6+ Bxf6 29. Qxf6 Re8 30. g4 Rab8 31. Qc3 Re7 32. Qa3 a5 33. b3 Rb5 34. Qa4 Rf7 35. Qd4 c5 36. Qe3 a4 37. bxa4 Rb4 38. Qxc5 Rfxf4 39. a5 Ra4 40. Qb5+ Ke7 41. Qb7+ Kf6 42. a6 Rxa2+ 43. Ke3 Re4+ 44. Kd3 Ra3+ 45. Kd2 Rea4 46. Qb2+ Kf7 47. Qb7+ Kf6 48. Qb2+ e5 49. Qb6+ Kg5 50. Qe6 Ra2+ 51. Kc3 1/2-1/2