Siegfried Gruening
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| GER-ch Seniors 13th | 07/??/2001 | 581 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| D04 | Queen's pawn game | 1 games |
| E92 | King's Indian, classical variation | 1 games |
| B25 | Sicilian, closed | 1 games |
| D02 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D05 | Queen's pawn game | 1 games |
| E14 | Queen's Indian, 4.e3 | 1 games |
| A50 | Queen's pawn game | 1 games |
| B28 | Sicilian, O'Kelly variation | 1 games |


Germany