| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Czerniak vs L Marini |
| 0-1 | 44 | 1940 | ch19 Mayor | C13 French |
| 2. L Marini vs Stahlberg |
| 0-1 | 25 | 1944 | Buenos Aires | A13 English |
| 3. L Marini vs Bolbochan |
| ½-½ | 58 | 1946 | Argentine Championship | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 4. J Bolbochan vs L Marini |
| 1-0 | 50 | 1946 | Argentine Championship | B83 Sicilian |
| 5. L Marini vs H Beretta |
| 1-0 | 41 | 1946 | Argentine Championship | A16 English |
| 6. O Garibaldi vs L Marini |
| ½-½ | 25 | 1946 | Argentine Championship | A04 Reti Opening |
| 7. L Marini vs O Montiel |
| ½-½ | 30 | 1946 | Argentine Championship | C17 French, Winawer, Advance |
| 8. C J Corte vs L Marini |
| 1-0 | 62 | 1946 | Argentine Championship | C18 French, Winawer |
| 9. L Marini vs E Falcon |
| ½-½ | 41 | 1946 | Argentine Championship | A28 English |
| 10. J T Iliesco vs L Marini |
| ½-½ | 32 | 1946 | Argentine Championship | A14 English |
| 11. L Marini vs Pilnik |
| 1-0 | 81 | 1946 | Argentine Championship | A28 English |
| 12. H Pazos Gramajo vs L Marini |
| 0-1 | 41 | 1946 | Argentine Championship | B73 Sicilian, Dragon, Classical |
| 13. L Marini vs P Martin |
| 1-0 | 22 | 1946 | Argentine Championship | A19 English, Mikenas-Carls, Sicilian Variation |
| 14. A Bahamonde vs L Marini |
| 0-1 | 41 | 1946 | Argentine Championship | E40 Nimzo-Indian, 4.e3 |
| 15. L Marini vs H Rossetto |
| 1-0 | 58 | 1946 | Argentine Championship | A18 English, Mikenas-Carls |
| 16. C H Maderna vs L Marini |
| 1-0 | 35 | 1946 | Argentine Championship | E40 Nimzo-Indian, 4.e3 |
| 17. L Marini vs R Sanguinetti |
| ½-½ | 34 | 1946 | Argentine Championship | D87 Grunfeld, Exchange |
| 18. A Piro vs L Marini |
| ½-½ | 41 | 1946 | Argentine Championship | A13 English |
| 19. L Marini vs L Lipiniks |
| 1-0 | 41 | 1946 | Argentine Championship | A28 English |
| 20. C Rebizzo vs L Marini |
| 0-1 | 55 | 1946 | Argentine Championship | A17 English |
| 21. L Marini vs J E Martinez |
| ½-½ | 31 | 1946 | Argentine Championship | D87 Grunfeld, Exchange |
| 22. L Piazzini vs L Marini |
| ½-½ | 60 | 1946 | Argentine Championship | B50 Sicilian |
| 23. L Marini vs C H Maderna |
| ½-½ | 29 | 1947 | Mar del Plata | A95 Dutch, Stonewall |
| 24. Eliskases vs L Marini |
| ½-½ | 44 | 1947 | Mar del Plata | A15 English |
| 25. L Marini vs Pilnik |
| ½-½ | 59 | 1947 | Mar del Plata | A13 English |
Kibitzing
