10 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Maciel Junior, Joao Edson Costa | Santana, Luiz Renato Cortez | 1/2-1/2 | A05 | IRT SANLEY SOUZA CHESS OPEN | 2026-07-05 |
| Maciel Junior, Joao Edson Costa | Da Silva De Sena, Jefferson Ryan F | 0-1 | B30 | IRT SANLEY SOUZA CHESS OPEN | 2026-07-04 |
| Maciel Junior, Joao Edson Costa | Rocha, Walterio Carlos Araujo | 0-1 | B02 | IRT SANLEY SOUZA CHESS OPEN | 2026-07-04 |
| Maciel Junior, Joao Edson Costa | Da Silva, Elson Ruben Gomes | 0-1 | C45 | V ABERTO DO BRASIL 2025 CIDADE DE RIO BRANCO AC | 2025-11-22 |
| Maciel Junior, Joao Edson Costa | Araujo, Everson De Moura | 0-1 | A38 | II Aberto do Brasil de Xadrez Rondonia 2025 | 2025-04-20 |