Breault, Jason
Current rating: 1456
Record: 18-24-1
| Grand Prix Toronto 2019 (modern) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 388 | Dreisziger, Daniel (1500) | Won 2-1 | +191441 |
| 2modern | 81 | Wong, Sam (1455) | Lost 1-2 | -181423 |
| 3modern | 287 | Zdrojewski, Ian (1610) | Draw 1-1 | +41427 |
| 4modern | 409 | Kor, Frank (1677) | Won 2-0 | +221449 |
| 5modern | 278 | Bogardus, Michael (1514) | Lost 0-2 | -171432 |
| 6modern | 370 | Dizon, Mark (1555) | Won 2-0 | +211453 |
| 7modern | 271 | Cruz, Marcelo (1520) | Won 2-1 | +191472 |
| 8modern | 190 | Carlile, Chris (1609) | Lost 0-2 | -161456 |
| top | average opponent: 1555record: 4-3-1 | new rating: 1456 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 362 | Johansen, Geoffrey (1524) | Won 2-1 | +201455 |
| 2modern | 333 | Ting-A-Kee, Andrew (1795) | Won 2-0 | +241479 |
| 3modern | 149 | Siembor, Michael (1547) | Lost 0-2 | -171462 |
| 4modern | 310 | Cochran, Hunter (1829) | Lost 1-2 | -111451 |
| 5modern | 577 | Asselin, Philippe (1727) | Lost 0-2 | -131438 |
| 6modern | 532 | Hohman, Christopher (1601) | Won 2-0 | +201458 |
| 7modern | 434 | Dowling, Ed (1435) | Lost 1-2 | -181440 |
| 8modern | 405 | Emond, Maxime (1414) | Lost 0-2 | -181422 |
| top | average opponent: 1609record: 3-5 | new rating: 1422 | ||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Brott, John (1640) | Won 2-1 | +221454 |
| 2standard | 329 | Carignan, Brian (1488) | Won 2-1 | +191473 |
| 3standard | 308 | Cusson, Marc-Olivier (1505) | Won 2-1 | +181491 |
| 4standard | 71 | Zafra, Marcel Angelo (1974) | Lost 0-2 | -91482 |
| 5standard | 287 | De Vries Robles, Bernard Wouter (1531) | Won 2-1 | +181500 |
| 6standard | 67 | Bergerac, Michael (1648) | Lost 1-2 | -151485 |
| 7standard | 196 | Monahan, Justin (1580) | Lost 0-2 | -161469 |
| 8standard | 261 | Rombouts, Jason (1522) | Lost 0-2 | -171452 |
| 9standard | 314 | Keesler, Matt (1537) | Lost 0-2 | -171435 |
| top | average opponent: 1603record: 4-5 | new rating: 1435 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 500 | Langdon, Nathan (1447) | Won 2-0 | +171498 |
| 2standard | 30 | Tengtirasakul, Saran (1573) | Lost 0-2 | -161482 |
| 3standard | 351 | Campbell, Donald (1703) | Lost 1-2 | -141468 |
| 4standard | 705 | Finlayson, Michael (1482) | Lost 1-2 | -181450 |
| 5standard | 625 | Soulard, Sally (1463) | Lost 1-2 | -181432 |
| 6standard | 565 | Leger, Grant (1446) | Won 2-1 | +181450 |
| 7standard | 439 | Walter, AJ (1464) | Lost 1-2 | -171433 |
| 8standard | 351 | Huff, Gregory (1445) | Won 2-0 | +181451 |
| 9standard | 267 | Casper, Thomas (1436) | Lost 0-2 | -191432 |
| top | average opponent: 1495record: 3-6 | new rating: 1432 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 62 | Giacopello, Giuseppe (1449) | Won 2-0 | +171517 |
| 2modern | 59 | Wesolowski, Christopher (1518) | Lost 1-2 | -181499 |
| 3modern | 261 | Tran, Simon (1481) | Won 2-1 | +181517 |
| 4modern | 231 | Johnson, Matt J (1518) | Lost 1-2 | -181499 |
| 5modern | 293 | Stambaugh, Craig (1512) | Lost 0-2 | -181481 |
| 6modern | 333 | Lee, William (1481) | Won 2-0 | +181499 |
| 7modern | 251 | Xie, Charles (1516) | Lost 0-2 | -181481 |
| 8modern | 252 | Isaacs, Michael J (1480) | Won 2-1 | +181499 |
| 9modern | 191 | Snook, Adam (1471) | Lost 1-2 | -181481 |
| top | average opponent: 1492record: 4-5 | new rating: 1481 | ||