| Player ID | 14720 |
| First Name | Duncan |
| Last Name | Grassie |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Leeds CCCC |
| Club | Leeds CCCC (8LCC) |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 411787 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 229763C |
| Membership Number (from rating list) | ME018813 |
| Membership Category | None |
| ECF Standard OTB August | 1996K |
| ECF Standard OTB September | 1996K |
| ECF Standard OTB September Old | 1983K |
| ECF Standard OTB January | 1996K |
| ECF Standard OTB Monthly | 1996K |
| ECF Standard Online | 2006K |
| ECF Standard OTB Latest | 1996K |
| FIDE Standard | 2060 |
| FIDE Rapid | 2066 |
| FIDE Blitz | 2074 |
