France
Male
FIDE ID:
Niels Willems
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 15th London Classic Open | 11/27/2025 | 2314 |  United Kingdom |
| 40th ECC Open 2025 | 10/19/2025 | 2309 |  Greece |
| TCh-SUI 2025 | 03/16/2025 | 2326 |  Switzerland |
| Saint Charbel Cup 3 2025 | 09/03/2025 | 2388 |  Ukraine |
Niels Willems Opening Repertoire with White pieces
| ECO | Opening | Games |
| A13 | English opening | 18 games |
| A28 | English, four knights system | 8 games |
| A17 | English opening | 4 games |
| A21 | English opening | 4 games |
Niels Willems Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 8 games |
| A05 | Reti opening | 4 games |
| B90 | Sicilian, Najdorf | 4 games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 4 games |
