| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Tristan vs E Real de Azua |
| ½-½ | 21 | 2007 | Necochea Tournaments | B33 Sicilian |
| 27. D Contin vs L Tristan |
| 0-1 | 45 | 2007 | Necochea Tournaments | A10 English |
| 28. L Tristan vs J F Cubas |
| 1-0 | 41 | 2007 | Necochea Tournaments | A40 Queen's Pawn Game |
| 29. M Zuriel vs L Tristan |
| 0-1 | 30 | 2007 | Necochea Tournaments | B33 Sicilian |
| 30. L Tristan vs C Valiente |
| ½-½ | 5 | 2007 | Necochea Tournaments | C66 Ruy Lopez |
| 31. L Tristan vs M Airando |
| ½-½ | 46 | 2007 | Necochea Tournaments | B32 Sicilian |
| 32. L Tristan vs R Garbarino |
| ½-½ | 10 | 2007 | Necochea Tournaments | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 33. L Perdomo vs L Tristan |
| ½-½ | 21 | 2007 | Necochea Tournaments | C42 Petrov Defense |
| 34. S Granara Barreto vs L Tristan |
| ½-½ | 12 | 2007 | Necochea Tournaments | B33 Sicilian |
| 35. M Leskovar vs L Tristan |
| 0-1 | 33 | 2007 | Necochea Tournaments | B27 Sicilian |
| 36. L Tristan vs C Valiente |
| ½-½ | 16 | 2007 | Necochea Tournaments | A45 Queen's Pawn Game |
| 37. A Aguilar vs L Tristan |
| ½-½ | 36 | 2007 | Necochea Tournaments | B33 Sicilian |
| 38. L Tristan vs S Granara Barreto |
| 1-0 | 35 | 2007 | Necochea Tournaments | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 39. J Hase vs L Tristan |
| ½-½ | 10 | 2007 | Necochea Tournaments | A40 Queen's Pawn Game |
| 40. A Shcherbine vs L Tristan |
| 0-1 | 34 | 2007 | Necochea Tournaments | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 41. J F Cubas vs L Tristan |
| 1-0 | 34 | 2007 | Necochea Tournaments | B33 Sicilian |
| 42. L Tristan vs M Zuriel |
| 1-0 | 35 | 2007 | Necochea Tournaments | C42 Petrov Defense |
| 43. L Tristan vs A Orsini |
| ½-½ | 66 | 2007 | Necochea Tournaments | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 44. L Tristan vs D Flores |
| 0-1 | 57 | 2007 | Avellaneda op | B43 Sicilian, Kan, 5.Nc3 |
| 45. V Iregui vs L Tristan |
| 0-1 | 38 | 2008 | Villa Martelli | A00 Uncommon Opening |
| 46. L Tristan vs C Bulcourf |
| 1-0 | 34 | 2008 | Villa Martelli | B03 Alekhine's Defense |
| 47. T Gibson vs L Tristan |
| 1-0 | 34 | 2008 | Villa Martelli | A41 Queen's Pawn Game (with ...d6) |
| 48. L Tristan vs W Martins Madeira |
 | 1-0 | 34 | 2008 | Villa Martelli | B25 Sicilian, Closed |
| 49. A Cuevas vs L Tristan |
| 0-1 | 36 | 2008 | Villa Martelli | A07 King's Indian Attack |
| 50. L Tristan vs G Della Morte |
| ½-½ | 10 | 2008 | Villa Martelli | A45 Queen's Pawn Game |
Kibitzing
