| Nov 18, 2023 | Mario Villanueva | ½–½ | Pablo Ismael Acosta | Round 7: Mario Villanueva - Pablo Ismael Acosta | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Nov 18, 2023 | Joaquin Fiorito | ½–½ | Mario Villanueva | Round 6: Joaquin Fiorito - Mario Villanueva | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 17, 2023 | Mario Villanueva | ½–½ | Jaime Jose Romero Barreto | Round 5: Mario Villanueva - Jaime Jose Romero Barreto | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| Nov 16, 2023 | Diego Flores | ½–½ | Mario Villanueva | Round 4: Diego Flores - Mario Villanueva | Queen's Gambit Declined: Modern Variation | |
| Nov 15, 2023 | Mario Villanueva | 0–1 | Matias Perez Gormaz | Round 3: Mario Villanueva - Matias Perez Gormaz | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Nov 14, 2023 | Matias Latorre | ½–½ | Mario Villanueva | Round 2: Matias Latorre - Mario Villanueva | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Nov 14, 2023 | Mario Villanueva | 1–0 | Sergio Slipak | Round 1: Mario Villanueva - Sergio Slipak | Sicilian Defense: Nimzowitsch Variation, Main Line | |
| Oct 7, 2023 | Mario Villanueva | ½–½ | Francisco Fiorito | Round 8: Mario Villanueva - Francisco Fiorito | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Oct 6, 2023 | Daniel Pacheco | 0–1 | Mario Villanueva | Round 7: Daniel Pacheco - Mario Villanueva | Rapport-Jobava System | |
| Oct 2, 2023 | Mario Villanueva | 0–1 | Alejo Ismael Gimenez Aguirre | Round 3: Mario Villanueva - Alejo Ismael Gimenez Aguirre | Italian Game: Giuoco Piano | |
| Oct 2, 2023 | Sebastian Moreno Perez | ½–½ | Mario Villanueva | Round 2: Sebastian Moreno perez - Mario Villanueva | English Opening: Neo-Catalan | |
| Oct 1, 2023 | Mario Villanueva | 1–0 | Carla Heredia Serrano | Round 1: Mario Villanueva - Carla Heredia Serrano | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 12, 2022 | Marcelo Villalba | ½–½ | Mario Villanueva | Round 2.2: Marcelo Villalba - Mario Villanueva | Caro-Kann Defense: Two Knights Attack | |
| Dec 16, 2021 | Leonardo Tristan | 1–0 | Mario Villanueva | Round 11: Leonardo Tristan - Mario Villanueva | Tarrasch Defense: Two Knights Variation | |
| Dec 15, 2021 | Mario Villanueva | ½–½ | Kevin Paveto | Round 10: Mario Villanueva - Kevin Paveto | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| Dec 14, 2021 | Leandro Krysa | 1–0 | Mario Villanueva | Round 9: Leandro Krysa - Mario Villanueva | Queen's Gambit Declined: Traditional Variation | |
| Dec 13, 2021 | Mario Villanueva | 1–0 | Fabian Fiorito | Round 8: Mario Villanueva - Fabian Fiorito | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Dec 12, 2021 | Diego Valerga | ½–½ | Mario Villanueva | Round 7: Diego Valerga - Mario Villanueva | French Defense: MacCutcheon Variation, Advance Variation | |
| Dec 11, 2021 | Mario Villanueva | ½–½ | Sergio Slipak | Round 6: Mario Villanueva - Sergio Slipak | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Dec 10, 2021 | Federico Perez Ponsa | ½–½ | Mario Villanueva | Round 5: Federico Perez Ponsa - Mario Villanueva | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Dec 9, 2021 | Mario Villanueva | 1–0 | Pablo Ismael Acosta | Round 4: Mario Villanueva - Pablo Ismael Acosta | French Defense: Classical Variation, Steinitz Variation | |
| Dec 8, 2021 | Andres Carlos Obregon | 1–0 | Mario Villanueva | Round 3: Andres Carlos Obregon - Mario Villanueva | French Defense: Advance Variation, Euwe Variation | |
| Dec 7, 2021 | Mario Villanueva | ½–½ | Diego Flores | Round 2: Mario Villanueva - Diego Flores | Sicilian Defense: Kan Variation, Wing Attack | |
