France
Male
FIDE ID:
Niels Willems
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Mitropa Cup 2025 | 05/14/2025 | 2428 |  Slovakia |
| TCh-SUI 2025 | 03/16/2025 | 2326 |  Switzerland |
| 25th ch-EUR Indiv 2025 | 03/15/2025 | 2424 |  Romania |
| 26th Trieste Open 2024 | 08/31/2024 | 2291 |  Italy |
Niels Willems Opening Repertoire with White pieces
| ECO | Opening | Games |
| A13 | English opening | 12 games |
| A17 | English opening | 4 games |
| A28 | English, four knights system | 4 games |
| A16 | English opening | 3 games |
Niels Willems Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 8 games |
| B90 | Sicilian, Najdorf | 4 games |
| E04 | Catalan, open, 5.Nf3 | 3 games |
| A45 | Queen's pawn game | 2 games |
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