| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Y Bruned vs L Tristan |
| 1-0 | 34 | 2001 | World Championship U12 | B98 Sicilian, Najdorf |
| 2. L Tristan vs A Fier |
| ½-½ | 41 | 2002 | Pan American-ch U14 | B02 Alekhine's Defense |
| 3. P Lopez Rebert vs L Tristan |
| 0-1 | 40 | 2003 | 1st Chesspangenberg Open | B21 Sicilian, 2.f4 and 2.d4 |
| 4. C Garcia Palermo vs L Tristan |
| 1-0 | 44 | 2003 | Chesspangenberg op 1st | D35 Queen's Gambit Declined |
| 5. L Tristan vs J Szmetan |
| 0-1 | 31 | 2003 | 1st Chesspangenberg Open | B05 Alekhine's Defense, Modern |
| 6. L Tristan vs D Flores |
| 0-1 | 46 | 2004 | Argentine Championship | B01 Scandinavian |
| 7. A Anelli vs L Tristan |
| 0-1 | 56 | 2004 | Argentine Championship | A39 English, Symmetrical, Main line with d4 |
| 8. L Tristan vs J Szmetan |
| ½-½ | 43 | 2004 | Argentine Championship | B03 Alekhine's Defense |
| 9. J Rubinetti vs L Tristan |
| 0-1 | 69 | 2004 | Argentine Championship | A35 English, Symmetrical |
| 10. L Tristan vs J Gomez Baillo |
| ½-½ | 40 | 2004 | Argentine Championship | B18 Caro-Kann, Classical |
| 11. A de Dovitiis vs L Tristan |
| 1-0 | 20 | 2004 | Argentine Championship | A46 Queen's Pawn Game |
| 12. E Scarella vs L Tristan |
| 1-0 | 58 | 2004 | Villa Martelli Pro-Am op 11th | E06 Catalan, Closed, 5.Nf3 |
| 13. J F Cubas vs L Tristan |
| 1-0 | 52 | 2004 | Pereyra mem 3rd | B08 Pirc, Classical |
| 14. D Flores vs L Tristan |
| 1-0 | 50 | 2005 | American Continental | A38 English, Symmetrical |
| 15. L Tristan vs J Soares |
| 1-0 | 41 | 2005 | American Continental | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 16. M Labollita vs L Tristan |
| 1-0 | 39 | 2005 | American Continental | A41 Queen's Pawn Game (with ...d6) |
| 17. P Ricardi vs L Tristan |
| 1-0 | 61 | 2005 | American Continental | B08 Pirc, Classical |
| 18. L Tristan vs G Echeguren |
| 1-0 | 50 | 2005 | American Continental | C92 Ruy Lopez, Closed |
| 19. L Tristan vs M Zapata Ferrada |
| ½-½ | 24 | 2005 | American Continental | B33 Sicilian |
| 20. J Chemin vs L Tristan |
| 0-1 | 32 | 2005 | American Continental | B06 Robatsch |
| 21. G Garcia vs L Tristan |
| 0-1 | 36 | 2005 | American Continental | B08 Pirc, Classical |
| 22. L Tristan vs L Milman |
| 1-0 | 30 | 2005 | American Continental | B96 Sicilian, Najdorf |
| 23. D Lima vs L Tristan |
| 1-0 | 27 | 2005 | American Continental | B07 Pirc |
| 24. C Oddone vs L Tristan |
| ½-½ | 33 | 2006 | South America-ch U20 | A07 King's Indian Attack |
| 25. L Tristan vs F Peralta |
| 0-1 | 51 | 2006 | Buenos Aires-ch qual | B07 Pirc |
Kibitzing
