John A Clark
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| Player ID | 13757 |
| First Name | John A |
| Last Name | Clark |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Ecclesall |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Grading Code | 180651J |
| Membership Number (entered manually) | ME019246 |
| Membership Number (from grading list) | ME019246 |
| ECF Standard Old | 141B |
| ECF Rapid Old | 0 |
| ECF Standard July | 1758 |