| May 24, 2026 | Recabarren Gajardo | 0–1 | Mondaca Gonzalez | Ronda 6: Recabarren Gajardo, Gonzalo Ivan - Mondaca Gonzalez, Alfredo | Zukertort Opening: Quiet System | |
| May 23, 2026 | Mondaca Gonzalez | 1–0 | Pereira Cid | Ronda 5: Mondaca Gonzalez, Alfredo - Pereira Cid, Fabian | French Defense: King's Indian Attack | |
| May 22, 2026 | Mondaca Gonzalez | 1–0 | Almendares Cornejo | Ronda 4: Mondaca Gonzalez, Alfredo - Almendares Cornejo, Manuel | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| May 22, 2026 | Meyer Monsalve | 1–0 | Mondaca Gonzalez | Ronda 3: Meyer Monsalve, Ewald - Mondaca Gonzalez, Alfredo | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| May 21, 2026 | Mondaca Gonzalez | 1–0 | Fuenzalida Gonzalez | Ronda 2: Mondaca Gonzalez, Alfredo - Fuenzalida Gonzalez, Octavio | King's Indian Defense: Makogonov Variation | |
| May 21, 2026 | Leigh Vargas | ½–½ | Mondaca Gonzalez | Ronda 1: Leigh Vargas, Rodrigo - Mondaca Gonzalez, Alfredo | Indian Defense: Accelerated London System | |
| May 20, 2026 | Mondaca Gonzalez | ½–½ | Farfan Ortiz | Ronda 7: Mondaca Gonzalez, Alfredo - Farfan Ortiz, Enrique Alfredo | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Jan 31, 2026 | Mondaca Gonzalez | 0–1 | Fuenzalida Soto | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | King's Indian Defense: Makogonov Variation | |
| Jan 30, 2026 | Mondaca Gonzalez | 0–1 | Basualto Penalieres | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | English Opening | |
| Jan 27, 2026 | Mondaca Gonzalez | 0–1 | Guerra Mansilla | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Jan 27, 2026 | Guerrero Cataldo | 1–0 | Mondaca Gonzalez | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Catalan Opening: Closed | |
| Jan 26, 2026 | Mondaca Gonzalez | 1–0 | Farfan Ortiz | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | English Opening: Symmetrical Variation, Fianchetto Variation | |
| Jan 14, 2026 | Melin Contreras | 0–1 | Mondaca Gonzalez | III Itt Temuco 2026 | Sicilian Defense: Closed | |
| Jan 13, 2026 | Mondaca Gonzalez | ½–½ | Fuenzalida Orellana | III Itt Temuco 2026 | English Opening: Anglo-Indian Defense, Old Indian Formation | |
| Jan 12, 2026 | Cerda Rodriguez | ½–½ | Mondaca Gonzalez | III Itt Temuco 2026 | Caro-Kann Defense: Two Knights Attack | |
| Jan 12, 2026 | Mondaca Gonzalez | 0–1 | Orrego Palermo | III Itt Temuco 2026 | English Opening: King's English Variation, Three Knights System | |
| Jan 11, 2026 | Gonzalez Gonzalez | 0–1 | Mondaca Gonzalez | III Itt Temuco 2026 | Caro-Kann Defense: Tartakower Variation | |
| Jan 11, 2026 | Mondaca Gonzalez | ½–½ | Estay Torreblanca | III Itt Temuco 2026 | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jan 10, 2026 | Mondaca Gonzalez | 1–0 | Correa Diaz | III Itt Temuco 2026 | English Opening: Symmetrical Variation, Full Symmetry Line | |
| Jan 9, 2026 | Salinas Herrera | 1–0 | Mondaca Gonzalez | III Itt Temuco 2026 | Queen's Indian Accelerated | |
| Feb 23, 2025 | Mondaca Gonzalez | ½–½ | Orellana Canelo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Slav Defense: Modern Line | |
| Feb 23, 2025 | Hernandez Riera | 1–0 | Mondaca Gonzalez | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Queen's Indian Accelerated | |
| Feb 22, 2025 | Valdes Escobar | 0–1 | Mondaca Gonzalez | Final Campeonato de Ajedrez Absoluto de Chile 2025 | King's Indian Defense: Orthodox Variation | |
| Sep 19, 2021 | Mondaca Gonzalez | 1–0 | Rossel Grandon | Valdivia Encounter | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Sep 19, 2021 | Cifuentes Sandoval | 0–1 | Mondaca Gonzalez | Valdivia Encounter | Bird Opening: Dutch Variation | |
| Sep 18, 2021 | Meza Gorrini | ½–½ | Mondaca Gonzalez | Valdivia Encounter | French Defense: Rubinstein Variation, Blackburne Defense | |
| Sep 18, 2021 | Jaque Gutierrez | 1–0 | Mondaca Gonzalez | Valdivia Encounter | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |