| Player ID | 31771 |
| First Name | Adam |
| Last Name | Sieczkowski |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Witney |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| Lichess ID | sieczyslove |
| Chess.com ID | |
| ECF Grading Code | 327403C |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME021764 |
| ECF Standard Old 3 digit | 167A |
| ECF Rapid Old 3 digit | 176D |
| ECF Standard Online | 1980 |
| ECF Rapid Online | 1871 |
| ECF Blitz Online | 1870 |
| ECF Rapid OTB Latest | 2020 |
| ECF Standard OTB Latest | 1953 |
| ECF Rapid OTB July | 2020 |
| ECF Standard OTB July | 1953 |
