Szawlowski, Matthew
Current rating: 1525
| Grand Prix Toronto 2012 (modern) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 137 | Iacono, Eric (1500) | Won 2-1 | +171563 |
| 2modern | 24 | Omar-Bujak, Hakim (1500) | Lost 1-2 | -191544 |
| 3modern | 373 | Knox, Dustin (1509) | Lost 1-2 | -191525 |
| 4modern | 360 | Vansickle, Michael (1481) | Won 2-0 | +181543 |
| 5modern | 284 | Garcia, Eric (1553) | Lost 1-2 | -181525 |
| top | average opponent: 1508record: 2-3 | new rating: 1525 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 103 | Kwok, Dale (1518) | Lost 1-2 | -181489 |
| 3sealed | 176 | Larking, James (1479) | Won 2-1 | +181507 |
| 4sealed | 99 | Carollo, Thomas (1517) | Won 2-0 | +181525 |
| 5sealed | 59 | Yue, David A (1536) | Won 2-0 | +181543 |
| 6sealed | 25 | Guerette, Simon (1495) | Lost 1-2 | -181525 |
| 7sealed | 81 | Clinton, Ben R (1536) | Lost 0-2 | -181507 |
| 8sealed | 107 | Berrios, Stephen (1668) | Won 2-0 | +211528 |
| 9sealed | 63 | Chang, Michael Y (1553) | Won 2-1 | +181546 |
| top | average opponent: 1538record: 5-3 | new rating: 1546 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 48 | Plouffe, Jeremi (1477) | Lost 1-2 | -181482 |
| 3sealed | 209 | Whitlatch, Adam M (1479) | Won 2-0 | +181500 |
| 4sealed | 187 | Ciarroni, Steven (1540) | Won 2-1 | +181518 |
| 5sealed | 58 | Miller, Brad (1535) | Lost 1-2 | -171501 |
| 6sealed | 127 | Leon Valencia, Francisco (1704) | Won 2-1 | +211522 |
| 7sealed | 100 | Correia, Kevin (1675) | Lost 0-2 | -151507 |
| top | average opponent: 1568record: 3-3 | new rating: 1507 | ||