J. Zimmermann
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| JBLN West 9798 | ??/??/1997 | 129 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B60 | Sicilian, Richter-Rauzer | 1 games |
| A16 | English opening | 1 games |
| B27 | Sicilian defence | 1 games |
| C01 | French, exchange variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| A04 | Reti opening | 1 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 1 games |
| B95 | Sicilian, Najdorf, 6...e6 | 1 games |
