Guenter Bielefeld
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hessen-ch Seniors 2nd | 04/25/2006 | 1702 |  Germany |
| Bad Sooden Allendorf Senior op 17th | 04/22/2005 | 1712 | Germany |
| Hessen-ch Seniors 1st | 04/22/2005 | 1714 | Germany |
| Schoenhagener Seniors op 14th | 08/27/2004 | 1685 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C41 | Philidor's defence | 4 games |
| B54 | Sicilian | 3 games |
| C42 | Petrov's defence | 2 games |
| B01 | Scandinavian (centre counter) defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C00 | French defence | 3 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
| B54 | Sicilian | 2 games |
| B30 | Sicilian defence | 2 games |
