Klaus Groenke
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Ruhrgebiet VK1 0405 | 09/12/2004 | 1838 | Germany |
| Ruhrgebiet playoff 0304 | 05/16/2004 | 1883 | Germany |
| Dortmund op-B | 04/??/1993 | 88 | Germany |
| Dortmund op | 03/??/1989 | 713 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| E01 | Catalan, closed | 1 games |
| A37 | English, symmetrical variation | 1 games |
| A12 | English, Caro-Kann defensive system | 1 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A57 | Benko gambit | 2 games |
| C06 | French, Tarrasch, closed variation, main line | 2 games |
| A47 | Queen's Indian defence | 1 games |
| E67 | King's Indian, fianchetto with ...Nd7 | 1 games |


Germany