| Dec 20, 2025 | Wuaustorf Montalvo | 0–1 | Pacheco Sierra | Round 9: Wuaustorf Montalvo, Juan Carlos - Pacheco Sierra, Diego Sebastian | Catalan Opening: Closed, Main Line | |
| Dec 20, 2025 | Luna Javier | 1–0 | Pacheco Sierra | Round 7: Luna Javier, Edgar Froylan - Pacheco Sierra, Diego Sebastian | Zukertort Opening: Reversed Grünfeld | |
| Dec 20, 2025 | Pacheco Sierra | 0–1 | Alfaro | Round 5: Pacheco Sierra, Diego Sebastian - Alfaro, William | Indian Defense: Przepiorka Variation | |
| Dec 20, 2025 | Diaz Rosas | 1–0 | Pacheco Sierra | Round 4: Diaz Rosas, Julio Cesar - Pacheco Sierra, Diego Sebastian | Petrov's Defense: Millennium Attack | |
| Dec 19, 2025 | Palma Villanueva | 0–1 | Pacheco Sierra | Round 3: Palma Villanueva, Miguel Tadeo - Pacheco Sierra, Diego Sebastian | Ruy Lopez: Berlin Defense, Duras Variation | |
| Dec 19, 2025 | Pacheco Sierra | 1–0 | Zacarias Rodriguez | Round 2: Pacheco Sierra, Diego Sebastian - Zacarias Rodriguez, Santiago | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 19, 2025 | Pacheco Sierra | 0–1 | Gamboa Alvarado | Round 9: Pacheco Sierra, Diego Sebastian - Gamboa Alvarado, Olga Leticia | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Dec 18, 2025 | Gutierrez Espinosa | 1–0 | Pacheco Sierra | Round 8: Gutierrez Espinosa, Karen - Pacheco Sierra, Diego Sebastian | Ruy Lopez: Berlin Defense | |
| Dec 18, 2025 | Obregon Garcia | ½–½ | Pacheco Sierra | Round 7: Obregon Garcia, Roxangel - Pacheco Sierra, Diego Sebastian | Ruy Lopez: Morphy Defense | |
| Dec 17, 2025 | Pacheco Sierra | ½–½ | Luna Javier | Round 6: Pacheco Sierra, Diego Sebastian - Luna Javier, Edgar Froylan | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Dec 17, 2025 | Morales Viscaya | 0–1 | Pacheco Sierra | Round 5: Morales Viscaya, Joel Artemio - Pacheco Sierra, Diego Sebastian | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be7 | |
| Dec 15, 2025 | Hidalgo Diaz | 1–0 | Pacheco Sierra | Round 1: Hidalgo Diaz, Daniel - Pacheco Sierra, Diego Sebastian | Queen's Pawn Game: Colle System, Anti-Colle | |
| Nov 16, 2025 | Pacheco Sierra | 0–1 | Abreu Gongora | Round 5: Pacheco Sierra, Diego Sebastian - Abreu Gongora, Miguel Angel | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Nov 16, 2025 | Abreu Mateo | ½–½ | Pacheco Sierra | Round 4: Abreu Mateo, Miguel Angel - Pacheco Sierra, Diego Sebastian | Zukertort Opening: Reversed Grünfeld | |
| Nov 16, 2025 | Pacheco Sierra | 0–1 | Cejas Martinez | Round 3: Pacheco Sierra, Diego Sebastian - Cejas Martinez, Ivan Jesus | French Defense: Advance Variation | |
| Nov 16, 2025 | Verazaluce Quiroz | 0–1 | Pacheco Sierra | Round 2: Verazaluce Quiroz, Francis - Pacheco Sierra, Diego Sebastian | Slav Defense: Quiet Variation, Schallopp Defense | |
| Nov 16, 2025 | Pacheco Sierra | 1–0 | Herrera Navedo | Round 1: Pacheco Sierra, Diego Sebastian - Herrera Navedo, Rafael Alonso | Queen's Pawn Game: London System | |
| Sep 27, 2025 | Pacheco Sierra | 1–0 | Cardos Castillo | Ronda 5: Pacheco Sierra, Diego Sebastian - Cardos Castillo, Carlos A | Sicilian Defense: Hyperaccelerated Dragon | |
| Sep 27, 2025 | Arcila Villanueva | 1–0 | Pacheco Sierra | Ronda 1: Arcila Villanueva, Carlos - Pacheco Sierra, Diego Sebastian | Scotch Game: Scotch Gambit, Advance Variation | |
