| Player ID | 31083 |
| First Name | Martin J |
| Last Name | Chadwick |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Meir |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 485152 |
| FIDE Federation | |
| Lichess ID | MartinJohn55 |
| Chess.com ID | |
| ECF Grading Code | 307450L |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME009912 |
| ECF Standard Old 3 digit | 76A |
| ECF Standard Online | 1243 |
| ECF Rapid Online | 1225 |
| ECF Blitz Online | 1225 |
| ECF Rapid OTB Latest | 1225 |
| ECF Standard OTB Latest | 1270 |
| ECF Rapid OTB July | 1225 |
| ECF Standard OTB July | 1270 |
| FIDE Standard | 1393 |
| FIDE Rapid | 0 |
| FIDE Blitz | 0 |
