McMaster, Sonya N
Current rating: 1466
Record: 1-3
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Barnes, Emma (1500) | Lost 0-2 | -181482 |
| 2sealed | 725 | Reeves, Stewart (1482) | Lost 1-2 | -181464 |
| 3sealed | 772 | Knight, Mark (1598) | Lost 1-2 | -161448 |
| 4sealed | 795 | Oldcorn, Rob (1428) | Won 2-0 | +181466 |
| average opponent: 1502record: 1-3 | new rating: 1466 | |||