| Player ID | 31734 |
| First Name | David |
| Last Name | Blackwell |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Witney |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| Lichess ID | Djdave28 |
| Chess.com ID | |
| ECF Grading Code | 214289C |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | |
| ECF Standard Old 3 digit | 136E |
| ECF Rapid Old 3 digit | 0 |
| ECF Standard OTB August | 1720 |
| ECF Standard OTB September | 1720 |
| ECF Rapid Online | 1720 |
| ECF Blitz Online | 1720 |
| ECF Standard Online | 1688 |
| ECF Standard OTB Latest | 1720 |
