[Event "Vidmar Memorial-03"]
[Site "Portoroz/Ljubljana"]
[Date "1975.06.18"]
[Round "13"]
[White "Mariotti, Sergio"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Qc7 7. Bd3 Nf6 8. Nb3 Bd6 9. Na4 b5 10. Nb6 Rb8 11. Nxc8 Rxc8 12. a4 O-O 13. axb5 axb5 14. g3 Ne5 15. Ra7 Qb8 16. Ra2 Nc4 17. Bd4 Be5 18. O-O Bxd4 19. Nxd4 Qe5 20. Nf3 Qh5 21. b3 Ne5 22. Nxe5 Qxe5 23. Kg2 Rb8 24. f4 Qc5 25. Qe2 Rfc8 26. Rfa1 g6 27. Ra7 h5 28. h3 d5 29. e5 Ne4 30. h4 Qd4 31. R1a5 b4 32. Rd7 Nc5 33. Rxc5 Rxc5 34. f5 Rf8 35. fxg6 fxg6 36. Bxg6 Qg4 37. Bh7+ Kh8 38. Qe3 Rc3 39. Bd3 Qe4+ 40. Qxe4 dxe4 41. Bxe4 Re3 42. Bd3 Rff3 43. Rh7+ Kg8 44. Rxh5 Rxg3+ 1/2-1/2