| Player ID | 2873 |
| First Name | David C |
| Last Name | Helsby |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Lewisham |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 433004 |
| FIDE Federation | |
| ECF Grading Code | 112479B |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME004104 |
| ECF Standard Old 3 digit | 148E |
| ECF Rapid Old 3 digit | 0 |
| ECF Standard Online | 1798 |
| ECF Rapid Online | 1825 |
| ECF Blitz Online | 1825 |
| ECF Standard OTB Latest | 1810 |
| ECF Standard OTB August | 1810 |
| ECF Standard OTB September | 1810 |
| FIDE Standard | 0 |
| FIDE Rapid | 0 |
| FIDE Blitz | 0 |
