Jan Esser
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Kleve op | ??/??/2001 | 493 | Germany |
| Kleve op | 06/01/2000 | 679 | Germany |
| Kleve op | 05/??/1999 | 841 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 1 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| C50 | King's pawn game | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C34 | King's gambit accepted | 1 games |
| A21 | English opening | 1 games |
| C55 | Two knights defence | 1 games |
| C30 | King's gambit | 1 games |


Germany