[Event "URS-ch37 Final"]
[Site "Moscow"]
[Date "1969.10.08"]
[Round "21"]
[White "Averkin, Orest Nikolaevich"]
[Black "Stein, Leonid"]
[Result "0-1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e5 8. Bg5 h6 9. Bh4 Nbd7
10. Nd2 a6 11. a3 Qc7 12. b4 Nh7 13. f3 f5 14. Bf2 Nhf6 15. Rb1 Rf7 16. Qc2 f4 17. Rb2 g5
18. Nb3 b6 19. Kd2 h5 20. h3 Nf8 21. bxc5 bxc5 22. Kd3 Ng6 23. Be1 Bd7 24. Bd1 Bf8 25. Kd2
Be7 26. Kc1 Bd8 27. Kb1 Rh7 28. Ka2 Be8 29. Nc1 g4 30. Qb1 Rg7 31. hxg4 hxg4 32. Ba4 Bxa4
33. Nxa4 Nh7 34. Nd3 Ng5 35. Qd1 Rh7 36. Rxh7 Qxh7 37. Nf2 gxf3 38. gxf3 Nh4 39. Rb3 Qh5
40. Nb2 Nhxf3 41. Na4 Qe8 42. Nb2 Nxe1 43. Qxe1 Bf6 44. Qd1 Rb8 45. Rxb8 Qxb8 46. Qh5 Kg7
47. Ng4 Nf7 48. Qf5 Qd8 49. Nh2 Qh8 50. Qg4+ Kf8 51. Nf3 Qh7 52. Nd2 Qh2 53. Nf3 Qg3 54.
Qh5 Kg7 55. Nd3 Qg6 56. Qxg6+ Kxg6 57. Nf2 Kh5 58. Kb3 0-1