Male
FIDE ID:
Udo Seidens
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Schweinfurt op | 05/17/2007 | 1670 |  Germany |
| Regionalliga NW 0607 | 10/15/2006 | 1969 | Germany |
| Landesliga Nord 0506 | 10/23/2005 | 2077 | Germany |
| Wuerzburg op Seniors 15th | 08/27/2005 | 1715 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 10 games |
| A21 | English opening | 8 games |
| A14 | English, Neo-Catalan declined | 5 games |
| A37 | English, symmetrical variation | 4 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 13 games |
| A07 | Reti, King's Indian attack (Barcza system) | 6 games |
| B15 | Caro-Kann defence | 5 games |
| A46 | Queen's pawn game | 3 games |
