Sonnier, Derek
Current rating: 1494
Record: 8-9
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 566 | Tayek, John (1526) | Lost 0-2 | -171444 |
| 2sealed | 753 | Zeng, Grace (1464) | Won 2-0 | +181462 |
| 3sealed | 700 | Hildreth, John (1561) | Won 2-0 | +201482 |
| 4sealed | 632 | Jacobs, Adam (1585) | Won 2-1 | +201502 |
| 5sealed | 461 | Holcomb, John (1423) | Lost 1-2 | -201482 |
| 6sealed | 410 | Carter, Aaron (1616) | Won 2-0 | +211503 |
| 7sealed | 275 | Petersen, Logan (1570) | Won 2-0 | +191522 |
| 8sealed | 193 | Hernandez, Steven (1583) | Won 2-0 | +191541 |
| 9sealed | 147 | Rockweit, Anthony (1557) | Lost 1-2 | -181523 |
| 10draft | 229 | Turney, Christopher (1630) | Lost 1-2 | -161507 |
| 11draft | 170 | McNamara, Casey (1536) | Lost 0-2 | -171490 |
| 12draft | 105 | Waddell, Travis (1619) | Won 2-0 | +201510 |
| 13draft | 58 | Nemeth, Mark (1607) | Lost 1-2 | -161494 |
| average opponent: 1560record: 7-6 | new rating: 1494 | |||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 310 | Brown, Chris (1460) | Won 2-0 | +171517 |
| 2sealed | 461 | Ryan, Zak (1521) | Lost 1-2 | -181499 |
| 3sealed | 698 | Biederman, Brent (1500) | Lost 1-2 | -181481 |
| 4sealed | 864 | Tidd, Brendan (1323) | Lost 0-2 | -201461 |
| average opponent: 1451record: 1-3 | new rating: 1461 | |||