Jonitz Jens
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| VAM Hoogeveen op | 10/15/1999 | 2204 | Netherlands |
| Zuerich Hilton op | 08/13/1999 | 1250 | Switzerland |
| Glorney Cup U20 | 07/26/1999 | 1520 | Belgium |
| VAM Hoogeveen op | 09/??/1998 | 2088 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 2 games |
| B41 | Sicilian, Kan variation | 2 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 1 games |
| B04 | Alekhine's defence, modern variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| C02 | French, advance variation | 1 games |
| B53 | Sicilian, Chekhover variation | 1 games |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 1 games |


Netherlands
Switzerland
Belgium