Mask, Christopher
Current rating: 1446
| Regional Championships Toronto 2022 (pioneer) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 13 | Heo, Seungho (1509) | Lost 1-2 | -181477 |
| 2pioneer | 163 | Anderson, Tyler (1627) | Lost 0-2 | -151462 |
| 3pioneer | 138 | Giles, Devon (1550) | Lost 1-2 | -161446 |
| top | average opponent: 1562record: 0-3 | new rating: 1446 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 333 | Gervais, Alexis (1500) | Won 2-1 | +191483 |
| 2modern | 38 | Robert, Julien (1518) | Lost 0-2 | -181465 |
| 3modern | 360 | Morrison, Adam (1458) | Won 2-0 | +181483 |
| 4modern | 183 | Harten, Charles (1518) | Won 2-0 | +191502 |
| 5modern | 163 | Qian, Jason (1858) | Lost 0-2 | -121490 |
| 6modern | 305 | Frisch, Andrew (1462) | Won 2-1 | +181508 |
| 7modern | 166 | Lisko, Nathan (1521) | Won 2-1 | +181526 |
| 8modern | 65 | Anderson, Robert (1906) | Won 2-1 | +241550 |
| 9modern | 103 | Margaritis, Logan (1578) | Lost 1-2 | -171533 |
| 10modern | 435 | McKee, Thomas (1767) | Lost 0-2 | -141519 |
| 11modern | 435 | Miotke, Aaron (1510) | Lost 0-2 | -181501 |
| 12modern | 443 | Eapen, Roshen (1829) | Won 2-1 | +241525 |
| 14modern | 423 | Slone, Ryan (1747) | Lost 0-2 | -141511 |
| 15modern | 427 | LaPlante, Ryan (1640) | Lost 0-2 | -161495 |
| top | average opponent: 1629record: 7-7 | new rating: 1495 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 362 | Archer, Graeme (1500) | Lost 1-2 | -181482 |
| 2standard | 404 | Rotko, Justin (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||