| Player ID | 27149 |
| First Name | Heiko |
| Last Name | Cassens |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Surbiton |
| Club | Surbiton (7160) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 16268717 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 270514L |
| Membership Number (from rating list) | ME006081 |
| Membership Category | None |
| ECF Standard OTB August | 1882K |
| ECF Standard OTB September | 1882K |
| ECF Standard OTB September Old | 1882K |
| ECF Standard OTB January | 1882K |
| ECF Standard OTB Monthly | 1882K |
| ECF Standard OTB Latest | 1882K |
| FIDE Standard | 1842 |
| FIDE Rapid | 1854 |
| FIDE Blitz | 1830 |
