Cruthirds, David
Current rating: 1446
Record: 3-7
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 276 | Dorsett, Tony (1483) | Lost 0-2 | -171412 |
| 2legacy | 310 | Freytag, Eric (1378) | Won 2-1 | +171429 |
| 3legacy | 351 | Dunn, Brian (1528) | Lost 0-2 | -161413 |
| 4legacy | 379 | Cambie-Fabris, Pierluigi (1769) | Won 2-0 | +241437 |
| 5legacy | 380 | Lossett, Joe (1866) | Won 2-1 | +261463 |
| 6legacy | 186 | Lanzo, Aaron (1518) | Lost 1-2 | -171446 |
| average opponent: 1591record: 3-3 | new rating: 1446 | |||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 379 | Dunham, George (1500) | Lost 1-2 | -181482 |
| 2legacy | 743 | Hoffeld, Joshua (1656) | Lost 1-2 | -151467 |
| 3legacy | 1001 | Hurley, Matt (1475) | Lost 0-2 | -181449 |
| 4legacy | 1055 | Shafer, Wesley (1313) | Lost 1-2 | -201429 |
| average opponent: 1486record: 0-4 | new rating: 1429 | |||