Dean, Johnathan
Current rating: 1489
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 170 | Hart, Kieth (1668) | Lost 0-2 | -151483 |
| 4modern | 236 | Morales, Juan (1501) | Won 2-0 | +181501 |
| 5modern | 112 | Thorson, Ricky (1703) | Won 2-1 | +221523 |
| 6modern | 101 | Buchanan, Drew (1647) | Lost 1-2 | -161507 |
| 7modern | 99 | Liazuk, Michael (1478) | Lost 1-2 | -181489 |
| top | average opponent: 1599record: 2-3 | new rating: 1489 | ||
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 241 | Weiman, Rob (1500) | Lost 0-2 | -181481 |
| 2standard | 272 | Easterly, Andrew (1430) | Lost 0-2 | -191462 |
| 3standard | 411 | Munsey, Andrew (1462) | Won 2-1 | +181480 |
| 4standard | 361 | Cox, Brendan (1418) | Won 0-0 | +171497 |
| 5standard | 289 | Harp, Harrison (1533) | Lost 0-2 | -181479 |
| 6standard | 257 | Medley, Jarrod (1521) | Won 2-0 | +191498 |
| top | average opponent: 1477record: 3-3 | new rating: 1498 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 245 | Skarie, Matthew (1497) | Lost 0-2 | -181482 |
| 2sealed | 466 | Bettencourt, Matthew (1482) | Lost 1-2 | -181464 |
| 3sealed | 600 | Jackson-Patch, Alexander (1466) | Won 2-0 | +181482 |
| 4sealed | 467 | Nelson, Alexander (1461) | Won 2-0 | +181500 |
| 5sealed | 400 | Hughes, Jeremy (1441) | Won 2-0 | +171517 |
| 6sealed | 298 | Graziano, Gino (1524) | Lost 0-2 | -181499 |
| top | average opponent: 1479record: 3-3 | new rating: 1499 | ||