MacKellar, Deven
Current rating: 1419
Record: 1-6
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Taylor, Joshua (1765) | Won 2-1 | +241470 |
| 2sealed | 256 | Burch, Jasper (1615) | Lost 0-0 | -151455 |
| 3sealed | 283 | Hess, Noah (1501) | Lost 0-2 | -171438 |
| 4sealed | 402 | Taylor, Matthew (1396) | Lost 1-2 | -191419 |
| average opponent: 1569record: 1-3 | new rating: 1419 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 827 | Wetzel, Aaron (1559) | Lost 1-2 | -171483 |
| 2standard | 921 | Reh, Bryce (1482) | Lost 1-2 | -181465 |
| 3standard | 1008 | Williams, Spencer (1431) | Lost 0-2 | -191446 |
| average opponent: 1491record: 0-3 | new rating: 1446 | |||