[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.10.03"]
[Round "13"]
[White "Balashov, Yuri S"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Nf3 d6 9. e4 Nd7 10. O-O e5 11. d5 Na5 12. Qa4 a6 13. Bg5 f6 14. Be3 Rf7 15. Nd2 Nf8 16. Qc2 b6 17. a4 Rb7 18. Ra3 Bd7 19. Rfa1 Qe8 20. g3 Rbb8 21. f3 Nb7 22. Qb1 Nd8 23. Qf1 Nf7 24. f4 exf4 25. gxf4 f5 26. Bf2 Nh6 27. Qg2 Ng6 28. Bg3 fxe4 29. Nxe4 Bf5 30. Re1 Qd7 31. Bf1 Re8 32. Raa1 Nf7 33. Ng5 Rxe1 34. Rxe1 Re8 35. Ne6 Nf8 36. Qb2 Nxe6 37. dxe6 Rxe6 38. Qxb6 h5 39. Qxa6 Rxe1 40. Bxe1 Be4 41. h3 Qf5 42. Bd2 g5 43. Qb5 gxf4 44. Qe8+ Kg7 45. Kf2 Bc2 46. Qe7 Bxa4 47. Qh4 f3 48. Qg3+ Kf6 49. Qxf3 Ne5 50. Qxf5+ Kxf5 51. Be2 h4 52. Bh6 Bc2 53. Bf8 Ke6 54. Bh6 1/2-1/2