| Player ID | 3521 |
| First Name | Oskar A |
| Last Name | Hackner |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Sheffield |
| DOB | **** |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 424188 |
| FIDE Federation | |
| ECF Grading Code | 279529C |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME011693 |
| ECF Standard Old 3 digit | 230B |
| ECF Rapid Old 3 digit | 0 |
| ECF Standard Online | 2417 |
| ECF Rapid Online | 2425 |
| ECF Blitz Online | 2425 |
| ECF Standard OTB Latest | 2425 |
| ECF Standard OTB August | 2425 |
| ECF Standard OTB September | 2425 |
| FIDE Standard | 2177 |
| FIDE Rapid | 2093 |
| FIDE Blitz | 0 |
