Derek George Ellison
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| GBR-ch Seniors | 08/06/2005 | 1486 | United Kingdom |
| WchT Seniors 1st | 10/05/2004 | 1380 | United Kingdom |
| GBR-ch Seniors | 08/07/2004 | 640 | United Kingdom |
| Preston op 16th | ??/??/2003 | 1404 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 10 games |
| C02 | French, advance variation | 9 games |
| B33 | Sicilian defence | 4 games |
| C59 | Two knights defence | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A97 | Dutch, Ilyin-Genevsky variation | 8 games |
| C02 | French, advance variation | 6 games |
| C18 | French, Winawer, advance variation | 3 games |
| B50 | Sicilian | 3 games |


United Kingdom