Callaghan, Thomas
Current rating: 1505
Record: 6-6
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 374 | Jung, Joe (1500) | Won 2-0 | +171562 |
| 2sealed | 139 | Donovan, Jack (1518) | Lost 0-2 | -191543 |
| 3sealed | 562 | Guay-Provost, Philippe (1474) | Lost 0-2 | -191524 |
| 4sealed | 646 | Rheaume, Patrice (1479) | Lost 0-2 | -191505 |
| average opponent: 1493record: 1-3 | new rating: 1505 | |||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Woods, Robert J (1500) | Won 2-1 | +181518 |
| 2sealed | 14 | Manase, Cristina (1517) | Won 2-1 | +181536 |
| 3sealed | 55 | Chan, Charlie (1536) | Won 2-0 | +181554 |
| 4sealed | 69 | Rivers, Zachary (1569) | Won 2-0 | +181572 |
| 5sealed | 30 | Davis, Todd (1768) | Lost 1-2 | -141558 |
| 6sealed | 56 | MacFarlane, Kate (1501) | Lost 1-2 | -191539 |
| 7sealed | 83 | Ciarroni, Steven (1556) | Won 2-1 | +181557 |
| 8sealed | 39 | Yurchick, Adam (1873) | Lost 0-2 | -121545 |
| average opponent: 1603record: 5-3 | new rating: 1545 | |||