| Feb 8, 2026 | Araneda Alcaino | 1–0 | Gutierrez Verdugo | Ronda 9: Araneda Alcaino, Arturo Nicolas - Gutierrez Verdugo, Leonidas | Sicilian Defense: Closed | |
| Feb 7, 2026 | Araneda Alcaino | ½–½ | Chacon Olortegui | Ronda 7: Araneda Alcaino, Arturo Nicolas - Chacon Olortegui, Steven Anton | Sicilian Defense: Closed, Fianchetto Variation | |
| Feb 6, 2026 | Munoz Venegas | 1–0 | Araneda Alcaino | Ronda 6: Munoz Venegas, Vicente - Araneda Alcaino, Arturo Nicolas | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Jan 31, 2026 | Araneda Alcaino | 1–0 | Seguel Caro | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Closed | |
| Jan 31, 2026 | Diaz Dennett | 1–0 | Araneda Alcaino | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jan 29, 2026 | Caurapan Montero | 1–0 | Araneda Alcaino | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Moscow Variation, Main Line | |
| Jan 28, 2026 | Bulgarini Torre | 1–0 | Araneda Alcaino | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jan 27, 2026 | Barriga Vera | 1–0 | Araneda Alcaino | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Indian Defense: Anti-Nimzo-Indian | |
| Nov 6, 2025 | Araneda Alcaino | 0–1 | Mavrich | Ronda 1 - Puelo: Araneda Alcaino, Arturo Nicolas - Mavrich, Demian | French Defense: Advance Variation, Extended Bishop Swap | |
| Jul 3, 2025 | Araneda Alcaino | 0–1 | Chacon Olortegui | Sudamericano Escolar Categorias Impares | Sicilian Defense: Closed, Fianchetto Variation | |
| Jul 3, 2025 | Donoso Chavez | 0–1 | Araneda Alcaino | Sudamericano Escolar Categorias Impares | Zukertort Opening: Sicilian Invitation | |
| Jul 2, 2025 | Araneda Alcaino | 0–1 | Escobar Castro | Sudamericano Escolar Categorias Impares | Sicilian Defense: Closed | |
| May 24, 2025 | Munoz Venegas | 1–0 | Araneda Alcaino | Ronda 4: Munoz Venegas, Vicente - Araneda Alcaino, Arturo Nicolas | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Feb 8, 2025 | Belmar Obreque | ½–½ | Araneda Alcaino | Ronda 8: Belmar Obreque, Jorge - Araneda Alcaino, Arturo Nicolas | Queen's Gambit Declined: Ragozin Defense | |
| Feb 6, 2025 | Araneda Alcaino | ½–½ | Marquez Rosas | Ronda 5: Araneda Alcaino, Arturo Nicolas - Marquez Rosas, Vicente | Italian Game: Two Knights Defense, Ulvestad Variation | |
| May 20, 2024 | Marquez Rosas | 1–0 | Araneda Alcaino | Round 7: Marquez Rosas, Vicente - Araneda Alcaino, Arturo Nicolas | Sicilian Defense: Najdorf Variation, English Attack | |
