David Koening
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| World op | ??/??/1996 | 1326 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B26 | Sicilian, closed, 6.Be3 | 2 games |
| B24 | Sicilian, closed | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |


United States