| Player ID | 13790 |
| First Name | Mark J |
| Last Name | Leonard |
| Sex | M |
| User ID | 0 |
| Club (used in grading individual event) | Not Set |
| DOB | **** |
| Local Rating | 159 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Grading Code | 166052E |
| Membership Number (entered manually) | ME009738 |
| Membership Number (from grading list) | ME009738 |
| ECF Standard August | 163D |
| ECF Standard January | 163C |
| ECF Standard Old | 163C |
| ECF Standard Pub | 163D |
| ECF Rapid August | 156F |
| ECF Rapid January | 156F |
| ECF Rapid Pub | 156F |
| ECF Online Rapid | 1870 |
| ECF Online Blitz | 1870 |
| ECF Online Standard | 1922 |
| ECF Monthly Standard | 1923 |
| ECF Monthly Rapid | 1870 |
| ECF Monthly July S | 1923 |
| ECF Monthly July R | 1870 |
