| Player ID | 4985 |
| First Name | Karol |
| Last Name | Grzybowski |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Cheddleton & Leek |
| DOB | **** |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 441503 |
| FIDE Federation | |
| ECF Grading Code | 266797G |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME008529 |
| ECF Standard Old 3 digit | 147B |
| ECF Rapid Old 3 digit | 0 |
| ECF Rapid OTB August | 1720 |
| ECF Standard OTB August | 1803 |
| ECF Rapid OTB September | 1720 |
| ECF Standard OTB September | 1803 |
| ECF Standard OTB January | 0 |
| ECF Rapid OTB January | 0 |
| ECF Standard OTB Latest | 1791 |
| ECF Rapid OTB Latest | 0 |
| FIDE Standard | 0 |
| FIDE Rapid | 0 |
| FIDE Blitz | 0 |
