| Jul 12, 2026 | Cordova Elizondo | 0–1 | Acuna Porras | Campeonato Nacional de Categorías Menores Impares 2026 | Italian Game: Giuoco Pianissimo | |
| Jul 12, 2026 | Acuna Porras | 1–0 | Meza Quesada | Campeonato Nacional de Categorías Menores Impares 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 11, 2026 | Wahrmann Brenes | 1–0 | Acuna Porras | Campeonato Nacional de Categorías Menores Impares 2026 | Queen's Pawn Game: London System, with e6 | |
| Jul 11, 2026 | Acuna Porras | 1–0 | Rodriguez Porras | Campeonato Nacional de Categorías Menores Impares 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 11, 2026 | Mayorga Araya | 1–0 | Acuna Porras | Campeonato Nacional de Categorías Menores Impares 2026 | Italian Game: Giuoco Pianissimo | |
| Jul 10, 2026 | Rodriguez Quesada | 0–1 | Acuna Porras | Campeonato Nacional de Categorías Menores Impares 2026 | Ruy Lopez: Exchange Variation, Keres Variation | |
| Jul 10, 2026 | Acuna Porras | 1–0 | Bello Blanco | Campeonato Nacional de Categorías Menores Impares 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 20, 2026 | Mora Guzman | * | Acuna Porras | Round 6: Mora Guzman, Maria Paula - Acuna Porras, Ariana | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 20, 2026 | Acuna Porras | 1–0 | Cordova Elizondo | Round 3: Acuna Porras, Ariana - Cordova Elizondo, Sofia | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Jan 19, 2026 | Jimenez Gamboa | ½–½ | Acuna Porras | Round 5: Jimenez Gamboa, Lucia - Acuna Porras, Ariana | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 19, 2026 | Mayorga Araya | 1–0 | Acuna Porras | Round 7: Mayorga Araya, Larissa - Acuna Porras, Ariana | Ruy Lopez: Morphy Defense, Wormald Attack | |
| Jan 19, 2026 | Acuna Porras | 1–0 | Jimenez Gamboa | Round 6: Acuna Porras, Ariana - Jimenez Gamboa, Eva | King's Indian Defense: Semi-Classical Variation | |
| Jan 19, 2026 | Acuna Porras | 1–0 | Mora Guzman | Round 3: Acuna Porras, Ariana - Mora Guzman, Maria Paula | Sicilian Defense: Dragon Variation, Classical Variation | |
| Jan 19, 2026 | Acuna Porras | 0–1 | Chavarria Masis | Round 2: Acuna Porras, Ariana - Chavarria Masis, Astrid | French Defense: Advance Variation | |