| Player ID | 17017 |
| First Name | Oliver |
| Last Name | Brennan |
| Sex | |
| User ID | 0 |
| DOB | **** |
| Player lists | Rotherham,Sheffield |
| Club | Rotherham (8YSR) |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 488054 |
| FIDE Federation | ENG |
| ECF Rating Code (links to rating system) | 326079D |
| Membership Number (from rating list) | ME021035 |
| Membership Category | Silver |
| ECF Standard OTB January | 1800K |
| ECF Standard OTB August | 1790K |
| ECF Rapid OTB August | 1744P |
| ECF Standard OTB September | 1797K |
| ECF Rapid OTB September | 1744P |
| ECF Standard OTB September Old | 1795K |
| ECF Blitz Online | 1536P |
| ECF Blitz OTB Latest | 1789P |
| ECF Rapid OTB Latest | 1775K |
| ECF Rapid OTB Monthly | 1775K |
| ECF Standard Online | 1695K |
| ECF Standard OTB Latest | 1774K |
| ECF Standard OTB Monthly | 1774K |
| FIDE Standard | 0 |
| FIDE Rapid | 1617 |
| FIDE Blitz | 0 |
