| Player ID | 17017 |
| First Name | Oliver |
| Last Name | Brennan |
| Sex | |
| User ID | 0 |
| Club (used in grading individual event) | Rotherham |
| DOB | **** |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 488054 |
| FIDE Federation | ENG |
| Lichess ID | ojb |
| Chess.com ID | |
| ECF Grading Code | 326079D |
| Membership Number (entered manually) | ME021035 |
| Membership Number (from grading list) | ME021035 |
| ECF Standard Old 3 digit | 143D |
| ECF Rapid Old 3 digit | 144F |
| ECF Standard Online | 1685 |
| ECF Rapid Online | 1780 |
| ECF Blitz Online | 1780 |
| ECF Rapid OTB Latest | 1780 |
| ECF Standard OTB Latest | 1773 |
| ECF Rapid OTB July | 1780 |
| ECF Standard OTB July | 1773 |
| FIDE Standard | 0 |
| FIDE Rapid | 0 |
| FIDE Blitz | 0 |
