| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. R Vasquez Schroeder vs L Tristan |
| 1-0 | 45 | 2008 | Villa Martelli | A87 Dutch, Leningrad, Main Variation |
| 52. L Tristan vs S Arenas |
| 1-0 | 72 | 2008 | Villa Martelli | B00 Uncommon King's Pawn Opening |
| 53. L Krysa vs L Tristan |
 | 1-0 | 36 | 2008 | Villa Martelli | A10 English |
| 54. S Mareco vs L Tristan |
| 1-0 | 27 | 2008 | 1st Copa PDV Sur | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 55. L Tristan vs S Mareco |
| 0-1 | 28 | 2009 | 84th ch-ARG Semifinal | C77 Ruy Lopez |
| 56. D Izquierdo vs L Tristan |
| ½-½ | 45 | 2009 | Olympiad Mercosur | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 57. J C Leon vs L Tristan |
| 0-1 | 25 | 2009 | Olympiad Mercosur | B09 Pirc, Austrian Attack |
| 58. A Rios Escobar vs L Tristan |
| ½-½ | 58 | 2009 | Olympiad Mercosur | B20 Sicilian |
| 59. L Tristan vs B Ferrufino |
| 1-0 | 37 | 2009 | Olympiad Mercosur | B25 Sicilian, Closed |
| 60. A Montes de Oca vs L Tristan |
| 0-1 | 46 | 2009 | 8th Pan American Team Championship | B01 Scandinavian |
| 61. L Tristan vs W Boada Gomez |
| 1-0 | 49 | 2009 | 8th Pan American Team Championship | B07 Pirc |
| 62. L Tristan vs N Delgado Ramirez |
| 0-1 | 60 | 2009 | 8th Pan American Team Championship | B25 Sicilian, Closed |
| 63. C Zuluaga vs L Tristan |
| 0-1 | 55 | 2009 | 8th Pan American Team Championship | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 64. J Mamani vs L Tristan |
| 0-1 | 83 | 2009 | Pan-American Junior Championship | B30 Sicilian |
| 65. L Tristan vs D E Pulvett Marin |
| 1-0 | 29 | 2009 | Pan-American Junior Championship | A45 Queen's Pawn Game |
| 66. B Macias Murillo vs L Tristan |
| ½-½ | 47 | 2009 | Pan-American Junior Championship | E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| 67. L Tristan vs A Diamant |
| ½-½ | 46 | 2009 | Pan-American Junior Championship | D00 Queen's Pawn Game |
| 68. L Ibarra Chami vs L Tristan |
| ½-½ | 42 | 2009 | Pan-American Junior Championship | B33 Sicilian |
| 69. L Tristan vs Robson |
| 0-1 | 38 | 2009 | Pan-American Junior Championship | D00 Queen's Pawn Game |
| 70. L Tristan vs R Vazquez Reyes |
| 1-0 | 53 | 2009 | Pan-American Junior Championship | A45 Queen's Pawn Game |
| 71. I Garcia Guerrero vs L Tristan |
| 0-1 | 47 | 2009 | Pan-American Junior Championship | B07 Pirc |
| 72. A Gallego Alcaraz vs L Tristan |
| 0-1 | 30 | 2009 | Pan-American Junior Championship | C96 Ruy Lopez, Closed |
| 73. Vachier-Lagrave vs L Tristan |
| 1-0 | 51 | 2009 | 48th World Junior Championship | B08 Pirc, Classical |
| 74. L Tristan vs R Jumabayev |
| 1-0 | 35 | 2009 | 48th World Junior Championship | B96 Sicilian, Najdorf |
| 75. L Tristan vs Lenderman |
| 0-1 | 62 | 2009 | 48th World Junior Championship | B18 Caro-Kann, Classical |
Kibitzing
