Dieter Jahr
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| SenWM | 10/28/2008 | 2054 | Germany |
| EU-ch Seniors 07th | 06/02/2007 | 2012 | Germany |
| EU-ch Seniors | 08/05/2006 | 2102 | Switzerland |
| GER-ch Seniors op | 07/22/2006 | 1698 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A22 | English opening | 11 games |
| A36 | English, symmetrical variation | 11 games |
| A25 | English, Sicilian reversed | 7 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 5 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D02 | Queen's pawn game | 9 games |
| D61 | Queen's Gambit Declined, Orthodox defence, Rubinstein variation | 4 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 3 games |
| B75 | Sicilian, dragon, Yugoslav attack | 3 games |
Germany
Male
FIDE ID:

Switzerland