[Event "Sarajevo-06"]
[Site "Sarajevo"]
[Date "1963.03.31"]
[Round "6"]
[White "Ivkov, Borislav"]
[Black "Kozomara, Vladimir"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. c4 d5 5. Nc3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Be7 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bb2 Bf6 12. Qd2 O-O 13. Be2 Qe7 14. O-O Rd8 15. Rfd1 Bg4 16. b5 Bxb2 17. Qxb2 Na5 18. Rd4 Be6 19. Rad1 Nc4 20. Qb4 Qxb4 21. axb4 Rdc8 22. Ra1 a6 23. bxa6 Rxa6 24. Rdd1 g6 25. Nd4 Rca8 26. Rac1 Rc8 27. h4 Ra2 28. Bf3 Rb2 29. Rb1 Rxb1 30. Rxb1 Nd2 31. Ra1 Rc3 32. Kh2 Kg7 33. Ra7 Nf1+ 34. Kg1 Rc1 35. Nxe6+ fxe6 36. Rxb7+ Kf6 37. b5 Ng3+ 38. Kh2 Nf1+ 39. Kh3 1/2-1/2