[Event "Vidmar Memorial-03"]
[Site "Portoroz/Ljubljana"]
[Date "1975.06.05"]
[Round "4"]
[White "Gligoric, Svetozar"]
[Black "Mariotti, Sergio"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 c6 5. Nf3 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4 dxc4 9. Bxc4 e5 10. Bg5 h6 11. Bh4 Qe7 12. Re1 Rd8 13. Bg3 Nh5 14. dxe5 Bb8 15. e6 fxe6 16. Bxb8 Rxb8 17. Qc1 b5 18. Bf1 e5 19. Nd1 Qf6 20. Ne3 Nf8 21. Qc5 Ng6 22. Nf5 Bxf5 23. exf5 Qxf5 24. Qxc6 Rb6 25. Qe4 Qxe4 26. Rxe4 Nf6 27. Rb4 a5 28. Rxb5 Rxb5 29. Bxb5 e4 30. Ne1 Rd2 31. f3 Rxb2 32. Bf1 exf3 33. Nxf3 1/2-1/2