Jon J Kerr
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| Player ID | 13649 |
| First Name | Jon J |
| Last Name | Kerr |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Wellington (Somerset) |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Grading Code | 314101K |
| Membership Number (entered manually) | ME008020 |
| Membership Number (from grading list) | |
| ECF Standard Old | 84C |
| ECF Standard August | 83D |
| ECF Standard Pub | 83D |
| ECF Rapid August | 0 |
| ECF Rapid Pub | 0 |
| ECF Standard January | 84C |
| ECF Rapid January | 0 |
| ECF Monthly Standard | 1323 |
| ECF Monthly July S | 1323 |