Sam Duffield
Primary tabs
| Player ID | 4509 |
| First Name | Sam |
| Last Name | Duffield |
| Sex | |
| User ID | 0 |
| Club (used in grading individual event) | Oscott |
| DOB | **** |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Grading Code | 286329H |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | |
| ECF Standard Old | 62D |
| ECF Standard August | 68D |
| ECF Standard Pub | 68D |
| ECF Standard January | 62D |
| ECF Monthly Standard | 1210 |
| ECF Monthly July S | 1210 |