| Player ID | 7974 |
| First Name | D Ian |
| Last Name | Calvert |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Hastings & St Leonar |
| Club | Hastings & St Leonards (8150) |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 406368 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 107896D |
| Membership Number (from rating list) | ME006363 |
| Membership Category | Gold |
| ECF Standard OTB January | 2007A |
| ECF Rapid OTB January | 1573P |
| ECF Standard OTB August | 2025A |
| ECF Rapid OTB August | 1573P |
| ECF Standard OTB September | 2025A |
| ECF Rapid OTB September | 1573P |
| ECF Standard OTB September Old | 1993A |
| ECF Rapid OTB Monthly | 1573P |
| ECF Standard OTB Monthly | 2019A |
| ECF Rapid OTB Latest | 1573P |
| ECF Standard Online | 1970K |
| ECF Standard OTB Latest | 2003A |
| FIDE Standard | 1883 |
| FIDE Rapid | 1834 |
| FIDE Blitz | 0 |
