Wolfgang Ertelt
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Bad Wildbad op | 11/??/1999 | 389 |  Germany |
| Hofheim Seniors | ??/??/1995 | 265 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 1 games |
| C79 | Ruy Lopez, Steinitz defence deferred (Russian defence) | 1 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 1 games |
| E93 | King's Indian, Petrosian system, main line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E73 | King's Indian, 5.Be2 | 1 games |
| E62 | King's Indian, fianchetto variation | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
