| Player ID | 42365 |
| First Name | William J |
| Last Name | Ainsworth |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Coulsdon CF |
| Club | Not Set |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 455474 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 306943G |
| Membership Number (from rating list) | ME016356 |
| Membership Category | None |
| ECF Standard OTB August | 1331K |
| ECF Standard OTB September | 1331K |
| ECF Standard OTB September Old | 1331K |
| ECF Standard OTB January | 1331K |
| ECF Standard OTB Monthly | 1331K |
| ECF Standard OTB Latest | 1331K |
| FIDE Standard | 0 |
| FIDE Rapid | 0 |
| FIDE Blitz | 0 |
