[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.25"]
[Round "16"]
[White "Huebner, Robert"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. cxd5 cxd5 8. Ne5 Bf5 9. Nc3 Ne4 10. Qb3 Nc6 11. Rd1 Nxc3 12. bxc3 Qc7 13. Bxd5 Nxe5 14. dxe5 Qxe5 15. Bf4 Qxc3 16. Qxb7 Qa3 17. Rac1 Rac8 18. Rxc8 Rxc8 19. Bb3 h6 20. Kg2 g5 21. Bd6 Qb2 22. Qxe7 Bg6 23. Bb4 Bf6 24. Qe3 Rc7 25. Bd6 Rc8 26. Be7 Bg7 27. Bd8 Kh7 28. Qe7 Rxd8 29. Rxd8 Bf6 30. Rd2 Qxd2 31. Qxf6 Qxe2 32. Bxf7 Qe4+ 33. f3 Qc2+ 34. Kh3 Bf5+ 35. g4 Bd3 36. Kg3 Qc5 37. Bg8+ Kxg8 38. Qd8+ Kf7 39. Qxd3 Qg1+ 40. Kh3 Qf2 41. a4 a5 42. Qd5+ Ke7 43. Qe5+ Kd7 44. Qb5+ Ke7 45. Qb7+ Kd8 46. Qb8+ Kd7 1/2-1/2