C. Duffield
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Nottingham-B4 | ??/??/1946 | 0 |  United Kingdom |
| Weston | ??/??/1924 | 0 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| C77 | Ruy Lopez, Morphy defence | 2 games |
| C73 | Ruy Lopez, modern Steinitz defence, Richter variation | 1 games |
| D64 | Queen's Gambit Declined, Orthodox defence, Rubinstein attack (with Rc1) | 1 games |
| D04 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C90 | Ruy Lopez, closed (with ...d6) | 2 games |
| C56 | Two knights defence | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
| C54 | Giuoco Piano | 1 games |
