| Player ID | 71683 |
| First Name | Alex |
| Last Name | Sefertzis |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | Gunnersbury Catholic |
| Club | Gunnersbury Catholic School (4GCS) |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 352338L |
| Membership Number (from rating list) | |
| Membership Category | None |
| ECF Rapid OTB August | 787P |
| ECF Rapid OTB September | 787P |
| ECF Rapid OTB January | 976P |
| ECF Rapid OTB Monthly | 1064K |
| ECF Standard OTB Monthly | 979P |
| ECF Rapid OTB Latest | 1064K |
| ECF Standard OTB Latest | 979P |
