[Event "Mar del Plata International-23"]
[Site "Mar del Plata"]
[Date "1960.04.03"]
[Round "5"]
[White "Marini, Luis"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 exd5 8. e3 Bf5 9. Ne2 O-O 10. Ng3 Bg6 11. Bd3 Nc6 12. O-O Qd7 13. Bxg6 hxg6 14. a4 Rfe8 15. Re1 Re6 16. Ra2 Rae8 17. Rae2 cxd4 18. cxd4 Nh5 19. Nh1 Qe7 20. Kf1 Qh4 21. g3 Qf6 22. Kg2 Qe7 23. Nf2 f5 24. Kf1 Qf7 25. Qb3 Rd8 26. Nh3 Re7 27. Bd2 Qf6 28. f4 Qd6 29. Ng5 Nf6 30. Bc1 Na5 31. Qd3 Nc4 32. Nf3 Ne4 33. Ne5 Rc7 34. Rc2 Rdc8 35. Nxc4 Rxc4 36. Rxc4 Rxc4 37. Qb3 Qc6 0-1