John Constantine
Primary tabs
| Player ID | 51390 |
| First Name | John |
| Last Name | Constantine |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | None |
| Club | Chelmsford (5314) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 286740A |
| Membership Number (from rating list) | ME007666 |
| Membership Category | None |