Male
FIDE ID:
Roel Donker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dutch League 2025-26 | 09/20/2025 | 2345 |  Netherlands |
| 17th BPB Limburg Open | 06/06/2025 | 2252 | Netherlands |
| 9th Semana Santa Alicante | 04/16/2025 | 2309 |  Spain |
| Riga Tech Open A 2024 | 08/05/2024 | 2316 |  Latvia |
Most Played Openings as White
| ECO | Opening | Games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 4 games |
| E92 | King's Indian, classical variation | 2 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 2 games |
| E94 | King's Indian, orthodox variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D10 | Queen's Gambit Declined Slav defence | 2 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
| B78 | Sicilian, dragon, Yugoslav attack, 10.O-O-O | 2 games |
| A06 | Reti opening | 1 games |
