[Event "Interzonal-08"]
[Site "Palma de Mallorca"]
[Date "1970.11.19"]
[Round "8"]
[White "Ivkov, Borislav"]
[Black "Ujtumen, Tudev"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6 11. e4 c6 12. dxc6 Nxc6 13. Bg5 f6 14. Be3 Nc4 15. Bc5 Qxd1 16. Rfxd1 Rd8 17. Rxd8+ Nxd8 18. Bf1 Na5 19. Nb5 Bg4 20. Nd2 b6 21. Be3 Bf8 22. Rc1 Be7 23. Rc7 Nac6 24. Bc4+ Kf8 25. f3 Bh3 26. g4 f5 27. Bh6+ Ke8 28. Bd5 a6 29. Nc3 Bc5+ 30. Kh1 Ra7 31. Bxc6+ Nxc6 32. Rxc6 fxg4 33. Nd5 Rf7 34. Rf6 gxf3 35. Nxf3 Rd7 36. Nxe5 Rd8 37. Nf3 Be6 38. Nc7+ 1-0