| Apr 2, 2026 | Marenco Garcia | 0–1 | Lezcano Martinez | Campeonato Centroamericano y del Caribe SUB 20 2026 | French Defense: Exchange Variation | |
| Apr 1, 2026 | Shergil | 0–1 | Marenco Garcia | Campeonato Centroamericano y del Caribe SUB 20 2026 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Apr 1, 2026 | Marenco Garcia | 1–0 | Gonzalez Arguedas | Campeonato Centroamericano y del Caribe SUB 20 2026 | Sicilian Defense: Moscow Variation, Main Line | |
| Mar 31, 2026 | Ordonez Bonilla | 1–0 | Marenco Garcia | Campeonato Centroamericano y del Caribe SUB 20 2026 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 30, 2026 | Cardoza Diaz | 1–0 | Marenco Garcia | Campeonato Centroamericano y del Caribe SUB 20 2026 | Queen's Pawn Game: Colle System | |
| Mar 30, 2026 | Marenco Garcia | 1–0 | Miranda Flores | Campeonato Centroamericano y del Caribe SUB 20 2026 | Sicilian Defense: Moscow Variation, Main Line | |
| Mar 29, 2026 | Marenco Garcia | ½–½ | Ramos Rodriguez | Campeonato Centroamericano y del Caribe SUB 20 2026 | Sicilian Defense: Moscow Variation | |
| Mar 28, 2026 | Viquez Alfaro | 0–1 | Marenco Garcia | Campeonato Centroamericano y del Caribe SUB 20 2026 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 28, 2026 | Marenco Garcia | 0–1 | Yeung | Campeonato Centroamericano y del Caribe SUB 20 2026 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jan 22, 2026 | Ulloa Jimenez | 0–1 | Marenco Garcia | Round 5: Ulloa Jimenez, Santiago - Marenco Garcia, Christopher E. | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jan 21, 2026 | Redondo Washington | 0–1 | Marenco Garcia | Round 3: Redondo Washington, Josymar - Marenco Garcia, Christopher E. | French Defense: Queen's Knight | |
| Jan 19, 2026 | Marenco Garcia | 1–0 | Gonzalez Barrantes | Round 6: Marenco Garcia, Christopher E. - Gonzalez Barrantes, Aaron Yoreth | Philidor Defense: Larsen Variation | |
| Jan 19, 2026 | Quesada Fallas | 1–0 | Marenco Garcia | Round 5: Quesada Fallas, Esteban - Marenco Garcia, Christopher E. | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jan 19, 2026 | Marenco Garcia | 0–1 | Vargas Arguedas | Round 2: Marenco Garcia, Christopher E. - Vargas Arguedas, Caleb | Sicilian Defense: Moscow Variation | |
| Jan 19, 2026 | Marenco Garcia | 0–1 | Gonzalez Ramos | Round 4: Marenco Garcia, Christopher E. - Gonzalez Ramos, Andres | Sicilian Defense: Delayed Alapin Variation | |
| Jan 19, 2026 | Gonzalez Barrantes | 0–1 | Marenco Garcia | Round 3: Gonzalez Barrantes, Aaron Yoreth - Marenco Garcia, Christopher E. | Queen's Pawn Game: Colle System | |
| Jan 19, 2026 | Gonzalez Ramos | 1–0 | Marenco Garcia | Round 1: Gonzalez Ramos, Andres - Marenco Garcia, Christopher E. | French Defense | |
| Jan 16, 2026 | Marenco Garcia | ½–½ | Ulloa Jimenez | Ronda 6: Marenco Garcia, Christopher E. - Ulloa Jimenez, Santiago | Caro-Kann Defense | |
| Jan 16, 2026 | Gonzalez Barrantes | 0–1 | Marenco Garcia | Ronda 5: Gonzalez Barrantes, Aaron Yoreth - Marenco Garcia, Christopher E. | Queen's Pawn Game | |
| Jan 16, 2026 | Marenco Garcia | 1–0 | Miranda Flores | Ronda 4: Marenco Garcia, Christopher E. - Miranda Flores, Samy Manuel | Sicilian Defense: Hyperaccelerated Dragon | |
| Jan 16, 2026 | Ulloa Jimenez | 1–0 | Marenco Garcia | Ronda 3: Ulloa Jimenez, Santiago - Marenco Garcia, Christopher E. | French Defense: Advance Variation, Paulsen Attack | |
| Jan 5, 2026 | Marenco Garcia | 1–0 | Gonzalez Barrantes | Ronda 2: Marenco Garcia, Christopher E. - Gonzalez Barrantes, Aaron Yoreth | Ruy Lopez: Cozio Defense | |
| Jan 5, 2026 | Miranda Flores | 1–0 | Marenco Garcia | Ronda 1: Miranda Flores, Samy Manuel - Marenco Garcia, Christopher E. | Queen's Pawn Game: Accelerated London System | |
