Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. Najdorf vs L Marini |
 | 1-0 | 33 | 1947 | Mar del Plata | E17 Queen's Indian |
27. L Marini vs C Guimard |
| ½-½ | 56 | 1947 | Mar del Plata | A92 Dutch |
28. R Sanguinetti vs L Marini |
| ½-½ | 52 | 1947 | Mar del Plata | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
29. L Marini vs J T Iliesco |
| 1-0 | 47 | 1947 | Mar del Plata | E72 King's Indian |
30. Stahlberg vs L Marini |
| 1-0 | 28 | 1947 | Mar del Plata | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
31. L Marini vs J Bolbochan |
| ½-½ | 36 | 1947 | Mar del Plata | A19 English, Mikenas-Carls, Sicilian Variation |
32. Bolbochan vs L Marini |
| ½-½ | 35 | 1947 | Mar del Plata | D28 Queen's Gambit Accepted, Classical |
33. L Marini vs C Hounie Fleurquin |
| ½-½ | 41 | 1947 | Mar del Plata | A28 English |
34. Euwe vs L Marini |
| ½-½ | 56 | 1947 | Mar del Plata | B30 Sicilian |
35. L Marini vs W O Cruz |
| ½-½ | 45 | 1947 | Mar del Plata | A13 English |
36. J Pizzi vs L Marini |
| ½-½ | 53 | 1947 | Mar del Plata | E33 Nimzo-Indian, Classical |
37. L Marini vs M Luckis |
| 1-0 | 53 | 1947 | Mar del Plata | E32 Nimzo-Indian, Classical |
38. L Marini vs P Michel |
| ½-½ | 29 | 1947 | Mar del Plata | A34 English, Symmetrical |
39. H Rossetto vs L Marini |
| ½-½ | 25 | 1947 | Mar del Plata | D24 Queen's Gambit Accepted |
40. A Pomar vs L Marini |
| 0-1 | 40 | 1948 | ARG-ESP radio m | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
41. L Marini vs C Guimard |
| 0-1 | 30 | 1950 | Mar del Plata | C71 Ruy Lopez |
42. Bolbochan vs L Marini |
| 1-0 | 28 | 1950 | Mar del Plata | D84 Grunfeld, Grunfeld Gambit Accepted |
43. L Marini vs Pilnik |
| ½-½ | 34 | 1950 | Mar del Plata | D85 Grunfeld |
44. P Trifunovic vs L Marini |
| ½-½ | 41 | 1950 | Mar del Plata | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
45. L Marini vs C H Maderna |
| ½-½ | 21 | 1950 | Mar del Plata | C67 Ruy Lopez |
46. M E de Freitas vs L Marini |
| ½-½ | 61 | 1950 | Mar del Plata | E17 Queen's Indian |
47. L Marini vs Gligoric |
| 0-1 | 51 | 1950 | Mar del Plata | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
48. M Luckis vs L Marini |
| ½-½ | 24 | 1950 | Mar del Plata | E53 Nimzo-Indian, 4.e3 |
49. L Marini vs M Castillo |
| ½-½ | 22 | 1950 | Mar del Plata | E41 Nimzo-Indian |
50. L Marini vs M Czerniak |
| 1-0 | 70 | 1950 | Mar del Plata | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |