| 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 | 77A |
| ECF Standard August | 76A |
| ECF Standard Pub | 76A |
| ECF Standard January | 77A |
| ECF Online Standard | 1277 |
| ECF Online Rapid | 1225 |
| ECF Online Blitz | 1225 |
| ECF Monthly Standard | 1270 |
| ECF Monthly Rapid | 1225 |
| ECF Monthly July S | 1270 |
| ECF Monthly July R | 1225 |
