Male
FIDE ID:
Jelmer Jens
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dutch League 2025-26 | 09/20/2025 | 2345 |  Netherlands |
| 2nd Bundesliga Nord 25-26 | 09/27/2025 | 2373 |  Germany |
| Dutch League 2024-25 | 09/21/2024 | 2267 | Netherlands |
| TCh-BEL 2023-24 | 09/24/2023 | 2265 |  Belgium |
Most Played Openings as White
| ECO | Opening | Games |
| B42 | Sicilian, Kan, 5.Bd3 | 12 games |
| B80 | Sicilian, Scheveningen variation | 11 games |
| C03 | French, Tarrasch | 10 games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 10 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 15 games |
| A80 | Dutch | 9 games |
| A16 | English opening | 7 games |
| B67 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 6 games |
