O. Retzer
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Berliner Sommer 15th | 08/??/1997 | 1877 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| D10 | Queen's Gambit Declined Slav defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
