[Event "Rovinj/Zagreb"]
[Site "Zagreb"]
[Date "1970.05.06"]
[Round "17"]
[White "Udovcic, Mijo"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. d5 Nc5 10. Ne1 cxd5 11. cxd5 a5 12. Nd3 b6 13. Nxc5 bxc5 14. Bd2 Nd7 15. Re1 Rb8 16. b3 f5 17. exf5 gxf5 18. Rc1 e4 19. Qh5 Ne5 20. Rc2 Bd7 21. Bg5 Qe8 22. Qh4 Rb4 23. Bf4 Ng6 24. Qh3 Nxf4 25. gxf4 Rf6 26. Kh1 Rh6 27. Qg3 Qh5 28. Rg1 Rd4 29. Bf1 Rg6 30. Be2 Rxg3 31. Bxh5 Rxg1+ 32. Kxg1 Rd3 33. Nd1 Rxd5 34. Ne3 Rd4 35. Be2 Bh6 36. Ng2 Kf7 37. h3 Kf6 38. Kh2 Bf8 39. Kg3 a4 40. Ne3 Be6 41. Rb2 Rb4 42. Bc4 Bxc4 43. Nxc4 axb3 44. axb3 Ke6 45. Nd2 Bg7 46. Rc2 Bd4 47. Kg2 e3 0-1