[Event "URS-ch39 Final"]
[Site "Leningrad"]
[Date "1971.10.11"]
[Round "18"]
[White "Grigorian, Karen Ashotovich"]
[Black "Balashov, Yuri S"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 Nxg3 9. hxg3 Bg7 10. Bd3 g4 11. Nd2 h5 12. Rh2 Nc6 13. a3 Rh6 14. Qc2 Qe7 15. O-O-O O-O-O 16. d5 Ne5 17. Be2 d6 18. Nb3 c5 19. dxc6 Nxc6 20. Kb1 Kb8 21. e4 Qf6 22. f3 h4 23. Rxh4 Rxh4 24. gxh4 gxf3 25. gxf3 Qxh4 26. Qd2 Qf2 27. Nc1 Qh2 28. Rf1 Bf6 29. Qe1 Rc8 30. Nb5 Rd8 31. Nc3 Na5 32. Nd1 Rc8 33. Qb4 Bg5 34. Rf2 Qg3 35. b3 d5 36. exd5 exd5 37. Rf1 Qe5 38. Re1 Qd4 39. Nb2 Bf6 40. Qd6+ Ka8 0-1