Player: Mark O'Brien - details
| Setting | Value |
|---|---|
| First Name | Mark |
| Last Name | O'Brien |
| Lists player is in | Athenaeum, |
| Date of Birth | **** |
| Rating Code | 363550J |
| Sex | M |
| Club | Athenaeum |
| Local Rating | 0 |
| Local Rapid Rating | 0 |
| FIDE Code | 0 |
| FIDE Federation | |
| Lichess ID | **** |
| Chess.com ID | **** |
| Rating: ECF Standard OTB September | 0 |
| Rating: ECF Standard OTB August | 0 |
| Rating: ECF Standard OTB January | 1595P |
| Rating: ECF Standard OTB Latest | 1401K |
| Rating: ECF Standard OTB Monthly | 1411K |