| Player ID | 13582 |
| First Name | Marek |
| Last Name | Krajci |
| Sex | |
| User ID | 0 |
| Club (used in grading individual event) | SASCA |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| Lichess ID | Jupiter129 |
| Chess.com ID | |
| ECF Grading Code | 282211J |
| Membership Number (entered manually) | |
| Membership Number (from grading list) | ME017093 |
| ECF Standard Old 3 digit | 109C |
| ECF Rapid Old 3 digit | 0 |
| ECF Standard Online | 1507 |
| ECF Rapid Online | 1053 |
| ECF Blitz Online | 1053 |
| ECF Standard OTB Latest | 1522 |
| ECF Standard OTB August | 1529 |
| ECF Standard OTB September | 1522 |
