Manfred Dufner
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Schwarzwald Seniors op 12th | 03/29/2004 | 1701 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| A40 | Queen's pawn | 1 games |
| A48 | King's Indian, East Indian defence | 1 games |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 1 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| D02 | Queen's pawn game | 1 games |
| C41 | Philidor's defence | 1 games |
| D05 | Queen's pawn game | 1 games |
