| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Duarte vs A Fedrizzi |
| 1-0 | 33 |
2000 |
ARG-ch U14 | B30 Sicilian |
| 2. E Viotti vs L Duarte |
| 0-1 | 51 |
2000 |
ARG-ch U14 | B48 Sicilian, Taimanov Variation |
| 3. Ramiro Camino vs L Duarte |
| 0-1 | 35 |
2000 |
ARG-ch U14 | B44 Sicilian |
| 4. G Llanos vs L Duarte |
| 0-1 | 39 |
2003 |
Torneo Continental Americano | B40 Sicilian |
| 5. L Duarte vs P Lafuente |
| 0-1 | 16 |
2003 |
Torneo Continental Americano | B94 Sicilian, Najdorf |
| 6. L Duarte vs Monier Raul |
| ½-½ | 43 |
2003 |
Torneo Continental Americano | C45 Scotch Game |
| 7. S Giardelli vs L Duarte |
| ½-½ | 37 |
2003 |
Torneo Continental Americano | A20 English |
| 8. L Duarte vs A Fravega |
| 1-0 | 25 |
2003 |
Manuel Pereyra Puebla mem 2nd | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 9. J Szmetan vs L Duarte |
| ½-½ | 39 |
2003 |
Torneo Continental Americano | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 10. L Duarte vs D Schneider |
| ½-½ | 40 |
2003 |
Torneo Continental Americano | C05 French, Tarrasch |
| 11. A Escobedo Tinajero vs L Duarte |
| ½-½ | 36 |
2003 |
Torneo Continental Americano | A59 Benko Gambit |
| 12. L Duarte vs M Crosa |
| ½-½ | 61 |
2003 |
Torneo Continental Americano | B45 Sicilian, Taimanov |
| 13. L Duarte vs C Dolezal |
| ½-½ | 56 |
2003 |
Torneo Continental Americano | B06 Robatsch |
| 14. L Duarte vs A Alaluf |
| 1-0 | 33 |
2005 |
American Continental | B27 Sicilian |
| 15. L Duarte vs D Valerga |
| 1-0 | 27 |
2005 |
Argentinean Championship | B83 Sicilian |
| 16. F Parrilli vs L Duarte |
| 1-0 | 15 |
2005 |
American Continental | B49 Sicilian, Taimanov Variation |
| 17. L Duarte vs J Gonzalez |
| 1-0 | 35 |
2005 |
American Continental Championship | B32 Sicilian |
| 18. L Duarte vs D Flores |
 | 0-1 | 19 |
2005 |
Argentinean Championship | B00 Uncommon King's Pawn Opening |
| 19. L Duarte vs J Bibiloni |
| 0-1 | 44 |
2005 |
American Continental | C41 Philidor Defense |
| 20. P Ricardi vs L Duarte |
 | 1-0 | 30 |
2005 |
Argentinean Championship | A30 English, Symmetrical |
| 21. G Vescovi vs L Duarte |
| 1-0 | 26 |
2005 |
American Continental Championship | B40 Sicilian |
| 22. L Duarte vs J Pierrot |
| 0-1 | 43 |
2005 |
Argentinean Championship | C41 Philidor Defense |
| 23. L Duarte vs P Lafuente |
| 0-1 | 42 |
2005 |
Argentinean Championship | B96 Sicilian, Najdorf |
| 24. L Perdomo vs L Duarte |
 | 1-0 | 33 |
2005 |
Argentinean Championship | A56 Benoni Defense |
| 25. L Duarte vs I Zugic |
| ½-½ | 46 |
2005 |
American Continental Championship | C17 French, Winawer, Advance |