Demers, Mark
Current rating: 1512
Record: 3-3
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 310 | Brett, Max (1545) | Lost 1-2 | -171483 |
| 2sealed | 363 | Tom, Winston (1463) | Won 2-0 | +171500 |
| 3sealed | 316 | Li, Gideon (1473) | Won 2-1 | +181518 |
| 4sealed | 229 | Orr, Michael (1658) | Won 2-1 | +211539 |
| 5sealed | 184 | Lombardi, Robert (1986) | Lost 1-2 | -111528 |
| 6sealed | 234 | Polyakov, Alexander (1637) | Lost 1-2 | -161512 |
| average opponent: 1627record: 3-3 | new rating: 1512 | |||