[Event "URS-ch41 Semifinal"]
[Site "Lvov"]
[Date "1973.06.??"]
[Round "?"]
[White "Averbakh, Yuri L"]
[Black "Balashov, Yuri S"]
[Result "1-0"]

1. c4 e5 2. Nc3 d6 3. g3 Be6 4. Bg2 c6 5. d3 Nf6 6. Nf3 Be7 7. O-O O-O 8. c5 h6 9. cxd6 Bxd6 10. b3 Nbd7 11. Bb2 Qe7 12. Qc2 Bd5 13. h3 Bxf3 14. Bxf3 Ba3 15. Bxa3 Qxa3 16. Rfd1 Rad8 17. b4 Qxb4 18. Rab1 Qa5 19. Rxb7 Nc5 20. Rb2 Ne6 21. Qd2 Nd4 22. Bg2 Qa6 23. Rc1 Rfe8 24. e3 Ne6 25. Ne4 Nxe4 26. Bxe4 c5 27. Qc3 Ng5 28. Bg2 Ne6 29. Rb3 Rb8 30. Qb2 Rbd8 31. Qa3 Rd6 32. h4 Red8 33. Qxa6 Rxa6 34. Rc2 Kf8 35. Bh3 Ke7 36. Rb7+ Rd7 37. Rxd7+ Kxd7 38. Rxc5 Kd6 39. Rc2 Nc5 40. Bg2 f5 41. Bh3 f4 42. gxf4 exf4 43. Bf1 Ra3 44. h5 Na4 45. Kg2 Rc3 46. Rxc3 Nxc3 47. a3 Nd5 48. Kf3 fxe3 49. fxe3 Nf6 50. d4 Nxh5 51. e4 g5 52. Bc4 Ng7 53. e5+ Kc6 54. Kg4 Kb6 55. Bf7 Kc6 56. Bb3 Kb6 57. Ba4 Ka5 58. Bb3 Kb6 59. Bd5 Kc7 60. Be4 Kd7 61. d5 Ke7 62. Bd3 Kf7 63. Bf5 Ke7 64. d6+ Kf7 65. Bc8 Ke8 66. Bf5 Kf7 67. Bd7 a6 68. Bc8 Kg6 69. Bxa6 h5+ 70. Kf3 Kf5 71. Bc4 g4+ 72. Ke2 1-0