Guenter Betzien
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Schleswig Holstein-ch Seniors op | 09/26/2007 | 1728 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| A02 | Bird's opening | 1 games |
| C01 | French, exchange variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C45 | Scotch game | 1 games |
| D20 | Queen's gambit accepted | 1 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 1 games |


Germany