[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.10.09"]
[Round "16"]
[White "Stein, Leonid"]
[Black "Krogius, Nikolai V"]
[Result "1-0"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O Nbd7 8. Nc3 b6 9. d4
Ba6 10. Nd2 Rc8 11. Rb1 c5 12. dxc5 d4 13. Nb5 Bxb5 14. cxb5 Nxc5 15. Nf3 d3 16. Ne5 Nfe4
17. Nc6 Bxb2 18. Nxd8 Nc3 19. Qd2 Nxe2+ 20. Kh1 Bc3 21. Qe3 Rcxd8 22. b4 Na4 23. Bf3 Bf6
24. Rb3 Nd4 25. Rxd3 Nb2 26. Rc3 Nxb5 27. Rb3 Nc4 28. Qe2 Rc8 29. Rd1 Nd4 30. Rxd4 Bxd4
31. Bd5 Ne5 32. Qe4 Rc1+ 33. Kg2 Ba1 34. Rb1 Rxb1 35. Qxb1 Bc3 36. Qb3 Bd4 37. Qa4 e6 38.
Bb3 Nd3 39. f4 h5 40. Qd7 Ne1+ 41. Kf1 Nf3 42. Kg2 Ne1+ 43. Kh3 Bc3 44. Qxa7 Nd3 45. Qxb6
Nxb4 46. a4 Rc8 47. Bxe6 Rc6 48. Qd8+ Kg7 49. Bb3 Rf6 50. Qc7 Bd4 51. Bxf7 Rxf7 52. Qc4
Ba7 53. Qxb4 Bg1 54. a5 Ba7 55. a6 Bg1 56. Qd6 Ba7 57. Kh4 Bg1 58. Qe5+ Kh7 59. Qd5 Kg7
60. Qe5+ Kh7 61. Qe6 1-0