| Jun 28, 2026 | Anchieta Miranda | 0–1 | Alvarenga | Round 8: Anchieta Miranda, Eliezer Ivan - Alvarenga, Juan | Horwitz Defense | |
| Jun 22, 2026 | Chavez Gomez | 1–0 | Alvarenga | Round 6: Chavez Gomez, Miguel Angel - Alvarenga, Juan | Horwitz Defense | |
| Jun 20, 2026 | Alvarenga | 0–1 | Fang Juan | Round 5: Alvarenga, Juan - Fang Juan | King's Indian Attack, with e6 | |
| Jun 13, 2026 | Guevara Ruiz | 1–0 | Alvarenga | Round 2: Guevara Ruiz, Santiago Jose - Alvarenga, Juan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 1, 2026 | Chavez Gomez | ½–½ | Alvarenga | Round 9: Chavez Gomez, Miguel Angel - Alvarenga, Juan | French Defense: Advance Variation | |
| Feb 28, 2026 | Alvarenga | 0–1 | Zepeda | Round 8: Alvarenga, Juan - Zepeda, Rafael | King's Indian Defense: Makogonov Variation | |
| Feb 22, 2026 | Sanchez | ½–½ | Alvarenga | Round 7: Sanchez, Andres - Alvarenga, Juan | French Defense: Exchange Variation | |
| Feb 21, 2026 | Alvarenga | 1–0 | Villalobos Hernandez | Round 6: Alvarenga, Juan - Villalobos Hernandez, Pedro Roberto | Bird Opening | |
| Feb 14, 2026 | Guevara Ruiz | 1–0 | Alvarenga | Round 5: Guevara Ruiz, Marvin Andres - Alvarenga, Juan | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Feb 8, 2026 | Alvarenga | 1–0 | Navarrete | Round 4: Alvarenga, Juan - Navarrete, Marco Vinicio | Indian Defense: Anti-Nimzo-Indian | |
| Feb 7, 2026 | Alvarenga | * | Campos Guillen | Round 2: Alvarenga, Juan - Campos Guillen, Camila Sofia | ? | |
| Sep 21, 2025 | Medrano | 1–0 | Alvarenga | Ronda 9: Medrano, Camilo - Alvarenga, Juan | Horwitz Defense | |
| Sep 20, 2025 | Alvarenga | 0–1 | Alas | Ronda 8: Alvarenga, Juan - Alas, Rigoberto | Bird Opening: From's Gambit | |
| Sep 13, 2025 | Franco | 0–1 | Alvarenga | Ronda 7: Franco, Jorge - Alvarenga, Juan | French Defense: Advance Variation, Milner-Barry Gambit | |
| Sep 6, 2025 | Alvarenga | 0–1 | Monge | Ronda 5: Alvarenga, Juan - Monge, Rafael | King's Indian Attack: Sicilian Variation | |
| Sep 1, 2025 | Alvarenga | 0–1 | Hernandez | Ronda 3: Alvarenga, Juan - Hernandez, Rodolfo Anibal | Queen's Pawn Game | |
| Sep 1, 2025 | Rodriguez | 0–1 | Alvarenga | Ronda 2: Rodriguez, Cristian A. - Alvarenga, Juan | French Defense: Exchange Variation | |
| Sep 1, 2025 | Moreno Guillermo | ½–½ | Alvarenga | Ronda 4: Moreno Guillermo - Alvarenga, Juan | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Aug 23, 2025 | Alvarenga | ½–½ | Melendez Cruz | Campeonato Nacional de Primera Categoría 2025 | ? | |
