O'Mahony, Ruairi
Current rating: 1480
Record: 4-5
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 206 | Brewe, Garth (1500) | Lost 1-2 | -181482 |
| 2modern | 381 | Bertrand, Matthew (1482) | Won 2-0 | +181500 |
| 3modern | 271 | Konings, Richard J (1462) | Lost 1-2 | -191481 |
| 4modern | 441 | Tonner, Gordon (1447) | Won 2-0 | +181499 |
| 5modern | 435 | Bonin, Alex (1466) | Won 2-1 | +171516 |
| 6modern | 215 | Frigon, Luke (1525) | Lost 0-2 | -181498 |
| 7modern | 278 | Lensink, Brendan (1505) | Won 2-1 | +181516 |
| 8modern | 199 | Barnes, Darryl (1474) | Lost 1-2 | -181498 |
| 9modern | 176 | Nguyen, ThanhGiau (1499) | Lost 0-2 | -181480 |
| average opponent: 1484record: 4-5 | new rating: 1480 | |||