J. Kocielski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NRW-Liga 9798 | 10/??/1997 | 1253 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B82 | Sicilian, Scheveningen, 6.f4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |


Germany