39th USSR Championship — Leningrad 1971ROUND 6
[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.23"]
[Round "6"]
[White "Polugaevsky, Lev"]
[Black "Bronstein, David Ionovich"]
[Result "0-1"]
1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 g6 6. Qb3 Nb4 7. Ne4 Bg7 8. Nxc5 Qa5 9.
a3 N4c6 10. Qc4 b5 11. Qh4 b4 12. Nd3 Na6 13. Bg2 Bd7 14. O-O Rc8 15. Nde1 Nc5 16. Nc2 Nb3
17. Rb1 Qc5 18. Ne3 Ncd4 19. Nxd4 Nxd4 20. Re1 Bb5 21. axb4 Qd6 22. Bf1 O-O 23. Qe4 e6 24.
b3 f5 25. Qf4 e5 26. Qg5 Bxe2 27. Bg2 Bd3 28. Ra1 e4 29. Nc4 Qd7 30. Bb2 Bxc4 31. Bxd4
Bxd4 32. bxc4 Bxa1 33. Rxa1 Rxc4 34. Bf1 Rd4 35. Ra6 Kg7 36. b5 Rxd2 37. Rxa7 Qxa7 38.
Qxd2 Qb6 39. Qc3+ Qf6 40. Qc5 Rd8 41. b6 Qd6 42. Qc3+ Qd4 43. Qc6 Rd6 44. Qc7+ Rd7 45. Qc6
Qd6 46. Qc3+ Qf6 47. Qc5 Rb7 48. Qb5 Qxb6 49. Qe5+ Qf6 0-1