Wellington, Derek
Current rating: 1481
Record: 4-5
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 89 | Fidler, Bailey (1535) | Won 2-0 | +191519 |
| 2standard | 72 | Hirmiz, Fadi (1434) | Lost 1-2 | -201499 |
| 3standard | 490 | Wong, Sam (1501) | Lost 0-2 | -181481 |
| 4standard | 658 | Patterson, Brandon (1478) | Lost 0-2 | -181463 |
| 5standard | 610 | Smith, Carl (1464) | Won 2-1 | +181481 |
| 6standard | 493 | MacVoy, Ryan (1507) | Won 2-0 | +191500 |
| 7standard | 376 | Keesler, Matt (1521) | Won 2-0 | +181518 |
| 8standard | 260 | Gilchrist, Ryan (1524) | Lost 0-2 | -181500 |
| 9standard | 239 | Tepylo, Alek (1446) | Lost 0-2 | -191481 |
| average opponent: 1490record: 4-5 | new rating: 1481 | |||