Mathieseon, Jason
Current rating: 1540
Record: 5-3-1
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 47 | Fritz, James (1431) | Won 2-0 | +171517 |
| 2modern | 163 | Chesnais, Patrick (1500) | Draw 1-1 | -11516 |
| 3modern | 174 | Barber, Nigel A (1519) | Won 2-0 | +181534 |
| 4modern | 143 | Rodgers, Ronald (1539) | Won 2-1 | +191553 |
| 5modern | 72 | Weatherspoon, Charles (1545) | Won 2-0 | +171570 |
| 6modern | 36 | Sadler, Shawn (1574) | Lost 0-2 | -171553 |
| 7modern | 92 | Schnayer, David (1736) | Lost 0-2 | -151538 |
| 8modern | 162 | Zafra, Marcel Angelo (1672) | Lost 1-2 | -161522 |
| 9modern | 173 | Carpenter, Stephen M (1504) | Won 2-0 | +181540 |
| average opponent: 1558record: 5-3-1 | new rating: 1540 | |||