| Player ID | 18078 |
| First Name | Leon |
| Last Name | Groot Wassink |
| Sex | |
| User ID | 0 |
| DOB | **** |
| Player lists | City of London S,Heathside Prep Schoo |
| Club | Heathside Prep School (4577) |
| Local Rating | 0 |
| Local Rapid Rating | 78 |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 317546H |
| Membership Number (from rating list) | ME016704 |
| Membership Category | None |
| ECF Rapid OTB January | 1444K |
| ECF Standard OTB January | 1478K |
| ECF Rapid OTB August | 1444K |
| ECF Standard OTB August | 1494K |
| ECF Rapid OTB Monthly | 1444K |
| ECF Rapid OTB September | 1444K |
| ECF Standard OTB Monthly | 1494K |
| ECF Standard OTB September | 1494K |
| ECF Standard OTB September Old | 1478K |
| ECF Blitz OTB Latest | 1613P |
| ECF Rapid Online | 1588A |
| ECF Rapid OTB Latest | 1444K |
| ECF Standard OTB Latest | 1494K |
