[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.12.01"]
[Round "16"]
[White "Ivkov, Borislav"]
[Black "Huebner, Robert"]
[Result "0-1"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. Qe2 d6 9. Be3 Bxe3 10. Qxe3 Nf6 11. c4 O-O 12. Nc3 Ne5 13. Rfd1 Qc7 14. Be2 b6 15. f4 Ng6 16. g3 Bb7 17. Rac1 Rfd8 18. Rd2 Rab8 19. Rcd1 Ba8 20. a4 Ne7 21. Nd4 e5 22. fxe5 dxe5 23. Ndb5 axb5 24. Nxb5 Rxd2 25. Nxc7 Rxd1+ 26. Bxd1 Bxe4 27. g4 h6 28. h4 Rd8 29. Be2 h5 30. Nd5 Bxd5 31. Qxb6 Rc8 32. cxd5 Nexd5 33. Qb3 Rc1+ 34. Bf1 Nxg4 35. a5 Nde3 36. Qb5 Nxf1 37. Kg2 Nfe3+ 38. Kf3 Nf5 39. Qe8+ Kh7 40. a6 Nd4+ 41. Kg2 Rc2+ 0-1