Jarrett, Brendan
Current rating: 1399
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1362 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 122 | Meyer Odell, Tristan (1473) | Draw 1-1 | +21364 |
| 4standard | 174 | Dorey, Jeff (1557) | Won 2-0 | +211385 |
| 5standard | 97 | Del Gobbo, Adam (1595) | Lost 0-2 | -141371 |
| 6standard | 213 | Scott, Mackenzie (1525) | Lost 0-2 | -151356 |
| 7standard | 346 | Beebe, Alexander (1506) | Draw 1-1 | +31359 |
| 8standard | 385 | Sears, Ethan (1518) | Won 2-1 | +201379 |
| 9standard | 1031 | Chong, Ernest (1440) | Won 2-0 | +201399 |
| top | average opponent: 1516record: 3-2-2 | new rating: 1399 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 242 | McGregor, Cameron (1500) | Lost 0-2 | -171411 |
| 2standard | 419 | Archer, Will (1545) | Lost 0-2 | -151396 |
| 3standard | 767 | Kalinowski, Daniel (1429) | Lost 1-2 | -171379 |
| 4standard | 720 | Boucher, aemile (1446) | Lost 0-2 | -171362 |
| top | average opponent: 1480record: 0-4 | new rating: 1362 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 190 | Labelle, Chris (1500) | Lost 1-2 | -181482 |
| 2sealed | 374 | Farnsworth, Ryan (1467) | Lost 1-2 | -181464 |
| 3sealed | 616 | Shoffner, Sam (1463) | Lost 0-2 | -181446 |
| 4sealed | 577 | Cella, Michael (1470) | Lost 0-2 | -181428 |
| top | average opponent: 1475record: 0-4 | new rating: 1428 | ||