18 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Costa, Nuno Guilherme R | Junior, Domingos | 0-1 | B12 | queimadasfitas | 2026-05-01 |
| Costa, Nuno Guilherme R | Neto, Dinis Fonseca | 0-1 | C54 | CN Jovens 2025-26 - U16 U14 U12 | 2026-03-31 |
| Costa, Nuno Guilherme R | Cardoso, Xavier Silva | 1/2-1/2 | B33 | jovens | 2025-04-16 |
| Costa, Nuno Guilherme R | Lopes Martins, Manuel Jose | 1/2-1/2 | A35 | Campeonato Nacional Amador | 2024-09-05 |
| Costa, Nuno Guilherme R | Marques, Goncalo Jose Costa Campos | 0-1 | C54 | CNJovens24 | 2024-03-27 |
| Costa, Nuno Guilherme R | Valente, Sofia | 0-1 | B35 | CNJovens24 | 2024-03-26 |
| Costa, Nuno Guilherme R | Bicho, Ivan-Pi | 1-0 | C54 | CNJovens24 | 2024-03-25 |