[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.09.23"]
[Round "6"]
[White "Grigorian, Karen Ashotovich"]
[Black "Stein, Leonid"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 b6 6. Be3 Bb7 7. Qd2 c5 8. d5 O-O 9. O-O-O Re8 10. Bh6 Bxh6 11. Qxh6 Nbd7 12. h4 Nf8 13. g4 e6 14. dxe6 Nxe6 15. Nge2 Qe7 16. h5 Nd7 17. Nf4 g5 18. Nfe2 f6 19. Ng3 Ne5 20. Nf5 Qf8 21. Qxf8+ Kxf8 22. Rxd6 Rad8 23. Be2 Rxd6 24. Nxd6 Rb8 25. Rd1 Bc6 26. Nf5 Rd8 27. Rxd8+ Nxd8 28. Nd5 Kf7 29. Kd2 Ne6 30. Ke3 Bxd5 31. cxd5 Nf4 32. Nd6+ Ke7 33. Nc8+ Kd7 34. Nxa7 Ng2+ 35. Kf2 Nf4 36. Ke3 Ng2+ 37. Kf2 Nf4 38. Nb5 h6 39. b3 f5 40. gxf5 Nxh5 41. Nc3 Nf4 42. Bf1 h5 43. Ke3 h4 44. Ne2 Nh5 45. Bh3 c4 46. bxc4 Kd6 47. Bg2 Kc5 48. Kf2 Kxc4 49. Ng1 Kd4 50. Nh3 g4 51. fxg4 Nxg4+ 52. Kg1 Ne5 53. Ng5 Ke3 54. Kh2 Nf4 55. Bh3 Nh5 56. d6 Nf4 57. Nh7 Kxe4 58. f6 Ke3 59. f7 Nf3+ 60. Kh1 Nxh3 61. f8=Q Nf2+ 62. Kg2 1-0