Bob Dierks
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Sioux Falls op | ??/??/1998 | 772 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D10 | Queen's Gambit Declined Slav defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |


United States