| 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 | 1949 |
| ECF Rapid Online | 1915 |
| ECF Blitz Online | 2020 |
| ECF Rapid OTB Latest | 2020 |
| ECF Standard OTB Latest | 1981 |
| ECF Rapid OTB August | 2020 |
| ECF Standard OTB August | 1953 |
| ECF Rapid OTB September | 2020 |
| ECF Standard OTB September | 1953 |
