Davidson Carroll, Gray
Current rating: 1468
| Grand Prix Hartford 2018 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 128 | Morissette, Mathieu (1500) | Won 2-0 | +181501 |
| 2modern | 287 | Lyman, Jeffrey (1518) | Won 2-1 | +191520 |
| 3modern | 171 | Cook, Bryant (1714) | Lost 1-2 | -151505 |
| 4modern | 566 | Zibbideo, Michael (1516) | Won 2-0 | +181523 |
| 5modern | 104 | Plummer, Michael (1546) | Lost 1-2 | -171506 |
| 6modern | 395 | Wilson, Miles (1420) | Lost 0-2 | -201486 |
| 7modern | 462 | Eckenrode, Luke (1485) | Lost 0-2 | -181468 |
| top | average opponent: 1528record: 3-4 | new rating: 1468 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 237 | Freeman, Lee (1596) | Lost 0-2 | -171483 |
| 2standard | 304 | Geisz, Dan (1481) | Won 2-0 | +181501 |
| 3standard | 332 | Al Awadhi, Abdullah (1501) | Lost 1-2 | -181483 |
| 4standard | 439 | Pushard, Leigh (1348) | Won 2-0 | +161499 |
| 5standard | 438 | Hinton, Edgar (1471) | Won 2-0 | +171516 |
| 6standard | 298 | Pimm, Douglas (1629) | Lost 1-2 | -161500 |
| 7standard | 339 | Durney, Ryan (1530) | Lost 0-2 | -171483 |
| top | average opponent: 1508record: 3-4 | new rating: 1483 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 774 | McGee, Ross (1594) | Lost 1-2 | -161484 |
| 2modern | 1018 | Herbert, Brian (1482) | Won 2-1 | +181502 |
| 3modern | 1101 | Robert, Francis (1546) | Lost 0-2 | -181484 |
| 4modern | 1134 | Worcester, Andrew (1415) | Won 2-1 | +171501 |
| 5modern | 977 | LeFebvre, Kevin (1516) | Lost 1-2 | -181483 |
| 6modern | 1042 | Bowles, Matthew (1485) | Won 2-0 | +191502 |
| 7modern | 961 | Mccoy, Robert (1414) | Won 2-1 | +161518 |
| 8modern | 876 | Ledoux, Jeff (1501) | Lost 0-2 | -181500 |
| top | average opponent: 1494record: 4-4 | new rating: 1500 | ||