John Gammon
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| Player ID | 7976 |
| First Name | John |
| Last Name | Gammon |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Westminster (Birmingham) |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | |
| FIDE Federation | |
| ECF Grading Code | 314340F |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME007980 |
| ECF Standard August | 23E |
| ECF Rapid August | 41E |
| ECF Standard January | 30D |
| ECF Rapid January | 41E |
| ECF Standard Old | 23E |
| 0 |