Whitfield, Ken
Current rating: 1479
Record: 2-3-1
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Brine, Alexandra (1500) | Won 2-0 | +181518 |
| 2sealed | 87 | Tam, Wai (997) | Draw 1-1 | -91509 |
| 3sealed | 293 | Foucal, Adrien (1618) | Lost 0-2 | -161493 |
| 4sealed | 422 | Buckley, Sean (1696) | Won 2-0 | +221515 |
| 5sealed | 291 | Gregersen, Matt (1521) | Lost 1-2 | -181497 |
| 6sealed | 397 | Hao, Devin (1497) | Lost 0-2 | -181479 |
| average opponent: 1471record: 2-3-1 | new rating: 1479 | |||