John Challenor
Primary tabs
| Player ID | 4398 |
| First Name | John |
| Last Name | Challenor |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Derby |
| Club | Derby (3DBY) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 285382G |
| Membership Number (from rating list) | ME007892 |
| Membership Category | None |
| ECF Standard OTB September Old | 1480K |