O. Von Oppen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Koblenz op | ??/??/1990 | 161 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 1 games |
| D02 | Queen's pawn game | 1 games |
| D04 | Queen's pawn game | 1 games |
| D05 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D08 | Queen's Gambit Declined, Albin counter-gambit | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| B07 | Pirc defence | 1 games |


Germany