| Player ID | 90837 |
| First Name | Sean O |
| Last Name | McDonald |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Sheffield Chess Cent |
| Club | Sheffield Chess Centre (8SCS) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 343434347 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 270040C |
| Membership Number (from rating list) | ME016920 |
| Membership Category | Gold |
| ECF Standard OTB August | 1912K |
| ECF Rapid OTB August | 1945K |
| ECF Standard OTB September | 1912K |
| ECF Rapid OTB September | 1945K |
| ECF Standard OTB September Old | 1914K |
| ECF Rapid OTB January | 1972K |
| ECF Standard OTB January | 1902K |
| ECF Rapid OTB Monthly | 1967K |
| ECF Standard OTB Monthly | 1916K |
| ECF Rapid OTB Latest | 1967K |
| ECF Standard OTB Latest | 1918K |
| FIDE Standard | 0 |
| FIDE Rapid | 1889 |
| FIDE Blitz | 0 |
