R. Zielke
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Plzen op-D U18 | 08/??/1998 | 1346 |  Czech Republic |
| Oberschwaben-chB | ??/??/1994 | 88 |  Germany |
| Oberschwaben-chB | ??/??/1993 | 142 | Germany |
| Oberschwaben-chB | ??/??/1992 | 114 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 2 games |
| D85 | Gruenfeld, exchange variation | 1 games |
| D41 | Queen's Gambit Declined, Semi-Tarrasch, 5.cd | 1 games |
| D52 | Queen's Gambit Declined | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B13 | Caro-Kann, exchange variation | 2 games |
| B01 | Scandinavian (centre counter) defence | 2 games |
| B10 | Caro-Kann defence | 1 games |
| D02 | Queen's pawn game | 1 games |
