[Event "Sarajevo-06"]
[Site "Sarajevo"]
[Date "1963.03.31"]
[Round "6"]
[White "Trifunovic, Petar"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. Bd3 Bb7 9. O-O Nbd7 10. Qe2 Ne4 11. Bxe7 Qxe7 12. Rfc1 c5 13. cxd5 exd5 14. Ba6 Ndf6 15. Bxb7 Qxb7 16. dxc5 bxc5 17. Nxe4 Nxe4 18. Rc2 Rfc8 19. Nd2 Ng5 20. Rac1 Ne6 21. Qf3 Rc7 22. h3 Rd8 23. Rd1 Qa6 24. b3 Rcd7 25. Qf5 d4 26. Nc4 dxe3 27. Rxd7 exf2+ 28. Rxf2 Rxd7 29. Ne5 Rd1+ 30. Kh2 f6 31. Qh5 Qd6 32. Rxf6 gxf6 33. Qf7+ Kh8 34. Qxf6+ Kh7 1/2-1/2