Devore, John
Current rating: 1392
Record: 7-15
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 166 | Baker, Justin (1739) | Lost 1-2 | -121401 |
| 4modern | 284 | Sturman, Benjamin (1456) | Lost 1-2 | -171384 |
| 5modern | 352 | Moore, Adam (1579) | Won 2-0 | +211405 |
| 6modern | 166 | Harrington, Justin (Jay) (1517) | Lost 1-2 | -161389 |
| 7modern | 204 | Jean-Louis, Albert (1501) | Won 2-1 | +201409 |
| 8modern | 159 | Escobar, Felix (1468) | Lost 1-2 | -171392 |
| top | average opponent: 1543record: 2-4 | new rating: 1392 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 264 | Brubaker, Michael (1635) | Lost 0-2 | -151423 |
| 3sealed | 512 | Fuson, Robert (1498) | Lost 0-2 | -161407 |
| 4sealed | 783 | Day, Andrew (1481) | Won 2-0 | +191426 |
| 5sealed | 676 | Slade, Matt (1488) | Won 2-1 | +191445 |
| 6sealed | 314 | Robledo, Carlos (1511) | Won 2-0 | +191464 |
| 7sealed | 247 | Bridges, Travis (1539) | Lost 0-2 | -161448 |
| 8sealed | 351 | Still, Jim (1533) | Lost 0-2 | -171431 |
| 9sealed | 290 | McGorty, Tristan (1413) | Lost 0-2 | -181413 |
| top | average opponent: 1512record: 3-5 | new rating: 1413 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 2 | Mancuso, Adam (1873) | Lost 1-2 | -111454 |
| 4standard | 368 | Vogt, Bradley (1491) | Lost 1-2 | -171437 |
| 5standard | 316 | Stirling, Brandt (1517) | Won 2-0 | +191456 |
| 6standard | 200 | Jakimovski, Sam (1457) | Won 2-1 | +181474 |
| 7standard | 262 | Eastwood, Alex (1526) | Lost 0-2 | -171457 |
| 8standard | 237 | Takamizawa, Shigeyoshi (1388) | Lost 0-2 | -191438 |
| top | average opponent: 1542record: 2-4 | new rating: 1438 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1053 | Wilkinson, Samuel (1500) | Lost 0-2 | -181482 |
| 2sealed | 1184 | Gyoker, Jason (1533) | Lost 0-2 | -171465 |
| top | average opponent: 1517record: 0-2 | new rating: 1465 | ||