| Dec 13, 2025 | Pereira | 1–0 | Silva | Round 8: Pereira, Eder Marcio - Silva, Victor Andrade Cruz | French Defense: Knight Variation | |
| Dec 12, 2025 | Silva | ½–½ | Pereira | Round 7: Silva, Bryan Jorge - Pereira, Eder Marcio | Queen's Gambit Declined: Orthodox Defense | |
| Dec 11, 2025 | Pereira | 1–0 | Barros | Round 6: Pereira, Eder Marcio - Barros, Luis | Indian Defense | |
| Dec 10, 2025 | Vaz | 1–0 | Pereira | Round 5: Vaz, Jose Carlos - Pereira, Eder Marcio | Catalan Opening: Open Defense, Classical Line | |
| Dec 9, 2025 | Pereira | 1–0 | Carvalho | Round 4: Pereira, Eder Marcio - Carvalho, Vladmir Husni | Philidor Defense: Lion Variation, Bishop Sacrifice | |
| Dec 8, 2025 | Junior | 0–1 | Pereira | Round 3: Junior, Aguinaldo Vera Cruz - Pereira, Eder Marcio | French Defense: Advance Variation, Nimzowitsch System | |
| Dec 8, 2025 | Pereira | 0–1 | Alho | Round 2: Pereira, Eder Marcio - Alho, Diogo | Indian Defense | |
| Dec 7, 2025 | Soares | * | Pereira | Round 1: Soares, Edson - Pereira, Eder Marcio | Scandinavian Defense: Portuguese Gambit, Classical Variation | |
| Dec 3, 2025 | Pereira | 0–1 | Ortega Amarelle | Round 9: Pereira, Eder Marcio - Ortega Amarelle, Mariano | Rapport-Jobava System | |
| May 4, 2025 | Pereira | 0–1 | Vaz | Final & 3rd Place | Game 3: Pereira, Eder Marcio - Vaz, Jose Carlos | Indian Defense | |
| May 4, 2025 | Vaz | 1–0 | Pereira | Final & 3rd Place | Game 4: Vaz, Jose Carlos - Pereira, Eder Marcio | Zukertort Opening: Queen's Gambit Invitation | |
| May 3, 2025 | Pereira | 0–1 | Vaz | Final & 3rd Place | Game 1: Pereira, Eder Marcio - Vaz, Jose Carlos | Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | |
| May 3, 2025 | Vaz | 0–1 | Pereira | Final & 3rd Place | Game 2: Vaz, Jose Carlos - Pereira, Eder Marcio | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 2, 2025 | Pereira | 1–0 | Lopes | Semi-Finals | Game 1: Pereira, Eder Marcio - Lopes, Ruben Cesar Gomes | Bishop's Opening: Ponziani Gambit | |
| May 2, 2025 | Lopes | ½–½ | Pereira | Semi-Finals | Game 2: Lopes, Ruben Cesar Gomes - Pereira, Eder Marcio | King's Indian Attack | |
| May 1, 2025 | Pereira | 1–0 | Rosario | Quarter Final | Game 2: Pereira, Eder Marcio - Rosario, Freddy Do | Italian Game: Deutz Gambit | |
| May 1, 2025 | Rosario | 0–1 | Pereira | Quarter Final | Game 1: Rosario, Freddy Do - Pereira, Eder Marcio | Scandinavian Defense | |
