Sheffield, Davey
Current rating: 1418
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 526 | Song, Harim (1480) | Lost 1-2 | -171431 |
| 2sealed | 976 | Price, Ronndre (1417) | Won 2-1 | +181449 |
| 3sealed | 1104 | English, Christopher (1500) | Won 2-0 | +191468 |
| 4sealed | 852 | Gibson, Travis (1580) | Lost 0-2 | -161452 |
| 5sealed | 969 | Crowley, Dave (1515) | Lost 0-2 | -171435 |
| 6sealed | 1060 | Billingsley, Travis (1483) | Lost 1-2 | -171418 |
| top | average opponent: 1496record: 2-4 | new rating: 1418 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 513 | Taylor, Zach (1493) | Lost 1-2 | -181445 |
| 2sealed | 674 | Nowlin, Patrick (1482) | Won 2-0 | +191464 |
| 3sealed | 619 | Still, Jim (1513) | Won 2-0 | +191483 |
| 4sealed | 465 | Spears, Nicholas (1522) | Lost 0-2 | -171466 |
| 5sealed | 516 | Weaver, Zachary (1501) | Lost 0-2 | -181448 |
| top | average opponent: 1502record: 2-3 | new rating: 1448 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 319 | Ward, Dillon (1500) | Lost 0-2 | -181482 |
| 2sealed | 313 | Testone, John (1481) | Lost 0-2 | -181464 |
| 3sealed | 499 | Alston, Tommy (1464) | Won 2-0 | +181482 |
| 4sealed | 409 | Jalm, Carl (1414) | Draw 1-1 | -11481 |
| 5sealed | 377 | Beck, Benjamin (1482) | Lost 0-2 | -181463 |
| top | average opponent: 1468record: 1-3-1 | new rating: 1463 | ||