| Player ID | 12067 |
| First Name | Callum |
| Last Name | Welsh |
| Sex | |
| User ID | 0 |
| DOB | **** |
| Player lists | Bradford,Undercliffe |
| Club | Bradford (8YBA) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 0 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 290130E |
| Membership Number (from rating list) | ME018073 |
| Membership Category | None |
| ECF Standard OTB August | 1919K |
| ECF Rapid OTB August | 1724P |
| ECF Standard OTB September | 1919K |
| ECF Rapid OTB September | 1724P |
| ECF Standard OTB September Old | 1905K |
| ECF Rapid OTB January | 1724P |
| ECF Standard OTB January | 1910K |
| ECF Rapid OTB Monthly | 1724P |
| ECF Standard OTB Monthly | 1933K |
| ECF Rapid OTB Latest | 1724P |
| ECF Standard OTB Latest | 1933K |
