Whitney, Derek
Current rating: 1462
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Choi, Jaekyoo (1488) | Lost 0-2 | -161389 |
| 2sealed | 617 | Starks, Brian (1507) | Won 2-1 | +201409 |
| 3sealed | 609 | Plum, Kevin (1499) | Won 2-0 | +191428 |
| 4sealed | 337 | Trendall, Tim (1342) | Won 2-0 | +171445 |
| 5sealed | 249 | Kiyonaga, Adam (1446) | Lost 1-2 | -181427 |
| 6sealed | 499 | Wellons, Christopher J (1522) | Won 2-1 | +201447 |
| 7sealed | 329 | Weise, Hannes (1701) | Won 2-1 | +221469 |
| 8sealed | 143 | Duke, Reid (2184) | Lost 1-2 | -71462 |
| top | average opponent: 1586record: 5-3 | new rating: 1462 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 344 | Major, Michael (1482) | Lost 0-2 | -181435 |
| 2standard | 694 | Cole, Daniel (1539) | Lost 0-2 | -161419 |
| 3standard | 810 | Lee, Dylan (1467) | Lost 0-2 | -171402 |
| 4standard | 801 | Allen, Benjamin (1425) | Won 2-0 | +181420 |
| 5standard | 497 | Trendall, Tim (1412) | Draw 1-1 | 01420 |
| 6standard | 590 | Winstead, Leif (1485) | Draw 1-1 | +11421 |
| 7standard | 526 | Garrison, Christopher (1508) | Lost 1-2 | -161405 |
| 8standard | 505 | Witt, Jeremie (1426) | Won 2-0 | +181423 |
| 9standard | 413 | Moore, Scott (1414) | Lost 0-2 | -181405 |
| top | average opponent: 1462record: 2-5-2 | new rating: 1405 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 120 | Kolding, Rob (1488) | Lost 1-2 | -181482 |
| 3standard | 374 | Zuniga, Demetrius (1572) | Lost 0-2 | -171465 |
| 4standard | 386 | Comstedt, Travis (1525) | Lost 0-2 | -171448 |
| 5standard | 462 | Belisle, Christopher (1465) | Won 2-0 | +191467 |
| 6standard | 439 | Magnuson, Max (1646) | Lost 1-2 | -151452 |
| 7standard | 422 | Chmielewski, Ryan (1468) | Won 2-0 | +181470 |
| 8standard | 358 | Reyes, James (1487) | Lost 0-2 | -171453 |
| top | average opponent: 1522record: 2-5 | new rating: 1453 | ||