Cumby, Andrew
Current rating: 1444
Record: 3-6
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Messenger-Lehmann, Tyler (1521) | Lost 0-2 | -181482 |
| 2standard | 579 | Armstrong, Keely (1483) | Won 2-0 | +181500 |
| 3standard | 564 | Hadley, Jeff J (1501) | Lost 1-2 | -181482 |
| 4standard | 652 | Hardy, Ethan (1480) | Lost 1-2 | -181464 |
| 5standard | 621 | Bower, Stephanie (1463) | Won 2-0 | +181482 |
| 6standard | 509 | Savard, Stephen (1433) | Lost 1-2 | -191463 |
| 7standard | 426 | Bathurst, Scott (1388) | Lost 0-2 | -191444 |
| 8standard | 345 | Sanzo-Goldstein, Max (1444) | Won 2-0 | +181462 |
| 9standard | 265 | Scott, Bradden (1447) | Lost 0-2 | -181444 |
| average opponent: 1462record: 3-6 | new rating: 1444 | |||