Chan, Mark
Current rating: 1502
Record: 4-4-1
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 292 | Cieszynski, Eric (1633) | Won 2-0 | +201520 |
| 2sealed | 27 | Knauer, David (1480) | Won 2-1 | +181538 |
| 3sealed | 269 | Fraser, Charles (1466) | Won 2-1 | +161554 |
| 4sealed | 72 | Chiarlanza, Tony (1653) | Lost 1-2 | -161538 |
| 5sealed | 117 | Farmer, Aiden (1625) | Won 2-0 | +201558 |
| 6sealed | 63 | Handsaker, Kaitlyn (1569) | Draw 1-1 | 01558 |
| 7sealed | 114 | Yang, Bryant (1552) | Lost 1-2 | -181540 |
| 8sealed | 198 | Keffer, Stella (1481) | Lost 1-2 | -191521 |
| 9sealed | 267 | Silva, Roberto (1478) | Lost 1-2 | -191502 |
| average opponent: 1548record: 4-4-1 | new rating: 1502 | |||