30 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Da Costa, Mariana Nara Santana | Sarmento, Flora Ferreira | 1-0 | A45 | Round 6: Da Costa, Mariana Nara Santana - Sarmento, Flora Ferreira | 2026-08-22 |
| Da Costa, Mariana Nara Santana | Silva Rosas, Natalia | * | D31 | Round 7: Da Costa, Mariana Nara Santana - Silva Rosas, Natalia | 2026-08-22 |
| Da Costa, Mariana Nara Santana | Cubas, Jose | 1/2-1/2 | D83 | X Caioba STD | 2026-06-28 |
| Da Costa, Mariana Nara Santana | Pedraza Aldana, Alexandra | 0-1 | D08 | rated blitz game | 2026-03-15 |
| Da Costa, Mariana Nara Santana | Santillan Vareles, Stefanny | 1-0 | E73 | rated blitz game | 2026-03-15 |
| Da Costa, Mariana Nara Santana | Rodriguez Dominguez, Melissa | 0-1 | D43 | rated blitz game | 2026-03-15 |
| Da Costa, Mariana Nara Santana | Muniz Guevara, Amanda Maria | 1-0 | D63 | rated blitz game | 2026-03-15 |
| Da Costa, Mariana Nara Santana | Haberbeck Fagundes, Maria Eduarda | 1-0 | D06 | BCS - Circuito Palas Atena Veloso | 2026-01-23 |
| Da Costa, Mariana Nara Santana | Frassetto, Eduarda | 1-0 | E12 | BCS - Circuito Palas Atena Veloso | 2026-01-23 |
| Da Costa, Mariana Nara Santana | Jimenez Salas, Maria Teresa | 0-1 | D10 | BCS - Circuito Palas Atena Veloso | 2026-01-23 |
| Da Costa, Mariana Nara Santana | De Siqueira, Luigy Lira | 0-1 | D20 | II Sampa Chess Open - STD Open | 2025-02-01 |
| Da Costa, Mariana Nara Santana | Riline Orso, Alejandro A. | 1-0 | E75 | Round 10: Da Costa, Mariana Nara Santana - Riline Orso, Alejandro A. | 2025-01-22 |
| Da Costa, Mariana Nara Santana | Smietanska, Wiktoria | 0-1 | E35 | Round 2: Da Costa, Mariana Nara Santana - Smietanska, Wiktoria | 2024-10-30 |
| Mariana Nara Santana Da Costa | Isabelle Tamarozi | 0-1 | A45 | Round 4: Mariana Nara Santana Da Costa - Isabelle Tamarozi | 2023-10-31 |