[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.08"]
[Round "5"]
[White "Huebner, Robert"]
[Black "Quinteros, Miguel Angel"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 Bg4 7. f3 Bd7 8. Be3 Nc6 9. Qd2 e6 10. g4 h6 11. O-O-O b5 12. h4 Ne5 13. Be2 Nc4 14. Bxc4 bxc4 15. Qe2 Qc7 16. g5 Nh5 17. Rhg1 hxg5 18. hxg5 g6 19. f4 Rb8 20. f5 e5 21. fxg6 fxg6 22. Nf3 Qb7 23. Qxc4 Qxb2+ 24. Kd2 Qb4 25. Qxb4 Rxb4 26. Kd3 Be6 27. a3 Bc4+ 28. Kd2 Rb7 29. Rb1 Rhh7 30. Nd5 Bxd5 31. exd5 Rxb1 32. Rxb1 Ng7 33. Rb8+ Kf7 34. Rb7+ Kg8 35. Bf2 Rh5 36. Ke2 Nf5 37. c4 Be7 38. c5 dxc5 39. Nxe5 Rxg5 40. Rb6 Nd4+ 41. Bxd4 cxd4 42. Nxg6 Bxa3 1/2-1/2