Ken W Derrick
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Royal Beacon Seniors op 50+ | 11/14/2005 | 1326 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| B44 | Sicilian defence | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| C41 | Philidor's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C62 | Ruy Lopez, old Steinitz defence | 1 games |
| A80 | Dutch | 1 games |


United Kingdom