| Player ID | 33479 |
| First Name | Jeff |
| Last Name | Leung |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Hackney |
| Club | Hackney (4126) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 450987 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 269131A |
| Membership Number (from rating list) | ME018140 |
| Membership Category | None |
| ECF Standard OTB August | 1929K |
| ECF Standard OTB September | 1929K |
| ECF Standard OTB September Old | 1929K |
| ECF Standard OTB January | 1929K |
| ECF Standard OTB Monthly | 1929K |
| ECF Standard OTB Latest | 1929K |
| FIDE Standard | 1788 |
| FIDE Rapid | 0 |
| FIDE Blitz | 1792 |
