Rossiter, Matt R
Current rating: 1442
Record: 3-7
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 41 | Davis, Todd (1755) | Lost 0-2 | -121456 |
| 5sealed | 116 | Van Lunen, Jacob (1562) | Won 2-0 | +191475 |
| 6sealed | 53 | Gardler, Harrison J (1530) | Lost 0-2 | -171458 |
| 7sealed | 65 | Bisson, Stephane (1551) | Lost 0-2 | -161442 |
| average opponent: 1600record: 1-3 | new rating: 1442 | |||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 149 | Bertone, Christopher (1500) | Lost 1-2 | -181482 |
| 2extended | 320 | Becker, Jonathan (1729) | Won 2-1 | +221504 |
| 3extended | 335 | Franklin, Richard (1536) | Lost 1-2 | -171487 |
| 4extended | 338 | Portizo, Jason (1464) | Lost 1-2 | -181469 |
| 5extended | 387 | Sim, Richard (1467) | Won 2-0 | +181487 |
| 6extended | 322 | Maclean, Michael J (1483) | Lost 0-2 | -191468 |
| average opponent: 1530record: 2-4 | new rating: 1468 | |||