19 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Feijen, Niels | Seinen, Niek | 1-0 | B12 | Ronde 6: Feijen, Niels - Seinen, Niek | 2026-05-10 |
| Niels Feijen | Daniel Kaufmann | 1-0 | B23 | Ronde 4: Niels Feijen - Daniel Kaufmann | 2026-05-09 |
| Niels Feijen | Rihaan John | 1-0 | C27 | Ronde 1: Niels Feijen - Rihaan John | 2026-05-08 |
| Feijen, Niels | Geboers, Jimmy | 0-1 | C13 | Round 3: Feijen, Niels - Geboers, Jimmy | 2025-05-17 |
| Feijen, Niels | Van der Werf, Joel | 0-1 | B22 | Round 1: Feijen, Niels - Van der Werf, Joel | 2025-05-16 |
| Feijen, Niels | Roebers, Jan | 1/2-1/2 | C29 | Round 2: Feijen, Niels - Roebers, Jan | 2024-06-15 |
| Feijen, Niels | Lukin, Yesenia | 1-0 | B22 | Round 4: Feijen, Niels - Lukin, Yesenia | 2024-06-15 |
| Feijen, Niels | Ruben, Berend | 0-1 | C24 | Round 6: Feijen, Niels - Ruben, Berend | 2024-06-15 |
| Feijen, Niels | Teianu, Maxim | 0-1 | C00 | Round 8: Feijen, Niels - Teianu, Maxim | 2024-06-15 |