| Player ID | 87939 |
| First Name | Brian |
| Last Name | Butterworth |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | None |
| Club | Not Set |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 437174 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 291161K |
| Membership Number (from rating list) | ME021681 |
| Membership Category | Gold |
| ECF Standard OTB August | 1513A |
| ECF Rapid OTB August | 1351K |
| ECF Standard OTB September | 1478A |
| ECF Rapid OTB September | 1351K |
| ECF Standard OTB September Old | 1541K |
| ECF Rapid OTB January | 1351K |
| ECF Standard OTB January | 1543A |
| ECF Rapid OTB Monthly | 1392K |
| ECF Standard OTB Monthly | 1544A |
| ECF Rapid OTB Latest | 1392K |
| ECF Standard OTB Latest | 1544A |
| FIDE Standard | 1506 |
| FIDE Rapid | 0 |
| FIDE Blitz | 0 |
