| Dec 9, 2025 | Arnedo Doria | 0–1 | Mejia Chamorro | Round 9: Arnedo Doria, Alejandro - Mejia Chamorro, Samuel Sebastian | King's Indian Defense: Exchange Variation | |
| Dec 9, 2025 | Arnedo Doria | 0–1 | Ortiz Barriales | Round 6: Arnedo Doria, Alejandro - Ortiz Barriales, Leonel Leyton | Dutch Defense: Rubinstein Variation | |
| Dec 8, 2025 | Humpire Quispe | 1–0 | Arnedo Doria | Round 4: Humpire Quispe, Uriel Gustavo - Arnedo Doria, Alejandro | Catalan Opening: Closed | |
| Dec 13, 2024 | Arnedo Doria | 0–1 | Velasquez Hernandez | Round 4: Arnedo Doria, Alejandro - Velasquez Hernandez, Martin | Nimzo-Indian Defense: Kmoch Variation | |
| Jul 12, 2024 | Bermudez Rojas | 0–1 | Arnedo Doria | Round 2: Bermudez Rojas, Alejandro - Arnedo Doria, Alejandro | Sicilian Defense: O'Kelly Variation, Maróczy Bind | |
| Jul 11, 2024 | Arnedo Doria | 0–1 | Payares Diaz | Round 5: Arnedo Doria, Alejandro - Payares Diaz, Alejandro | English Opening: Great Snake Variation | |
| Jul 11, 2024 | Velasquez Hernandez | ½–½ | Arnedo Doria | Round 4: Velasquez Hernandez, Martin - Arnedo Doria, Alejandro | Sicilian Defense: O'Kelly Variation, Normal System | |
| — | Arnedo Doria | 1–0 | Sharma | FIDE World Youth U16 Chess Olympiad 2025 | Hungarian Opening: Symmetrical Variation | |
| — | Arnedo Doria | 0–1 | Garzon Espitia | Round 5: Arnedo Doria, Alejandro - Garzon Espitia, Nicolas Alejandro | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
| — | Arnedo Doria | 0–1 | Silva | Round 7: Arnedo Doria, Alejandro - Silva, Agustina | English Opening: King's English Variation, Two Knights Variation | |
| — | Arnedo Doria | 1–0 | Diaz de Pool | FIDE World Youth U16 Chess Olympiad 2025 | Pirc Defense | |
| — | Arnedo Doria | 1–0 | Barreto Romero | Round 8: Arnedo Doria, Alejandro - Barreto Romero, Felipe | Queen's Indian Defense: Kasparov Variation | |
| — | Diaz Avila | ½–½ | Arnedo Doria | Round 2: Diaz Avila, Jarett Alexander - Arnedo Doria, Alejandro | Sicilian Defense: Lasker-Dunne Attack | |
| — | Pinedo Fernandez | ½–½ | Arnedo Doria | Round 4: Pinedo Fernandez, David Rebey - Arnedo Doria, Alejandro | Queen's Pawn Game: Zukertort Variation | |
| — | Perez Quinones | 1–0 | Arnedo Doria | Round 6: Perez Quinones, Malcolm J. - Arnedo Doria, Alejandro | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| — | Zhang | 1–0 | Arnedo Doria | Round 1: Zhang, Kendrick Botong - Arnedo Doria, Alejandro | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| — | James | 0–1 | Arnedo Doria | Round 9: James, Levi - Arnedo Doria, Alejandro | Sicilian Defense: O'Kelly Variation, Normal System | |
