Jonathan Williams
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| Player ID | 52536 |
| First Name | Jonathan |
| Last Name | Williams |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Wanstead,Warriors |
| Club | Wanstead (5282) |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 331178J |
| Membership Number (from rating list) | ME024774 |
| Membership Category | Bronze |
| ECF Standard OTB August | 1351P |
| ECF Standard OTB September | 1351P |
| ECF Standard OTB September Old | 1351P |
| ECF Standard OTB January | 1351P |
| ECF Standard OTB Monthly | 1351P |
| ECF Standard OTB Latest | 1351P |