Hatfield, Jason
Current rating: 1434
Record: 2-6
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 89 | Morelli, Joe (1524) | Lost 0-2 | -171450 |
| 3modern | 271 | Madison, Jacob (1500) | Won 2-0 | +191469 |
| 4modern | 267 | Purdum, Scott (1489) | Lost 1-2 | -171452 |
| 5modern | 312 | Timian, Eric (1485) | Lost 0-2 | -181434 |
| average opponent: 1499record: 1-3 | new rating: 1434 | |||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 8 | Hogan, Jake (1500) | Won 2-1 | +181518 |
| 2modern | 97 | Wisniewski, Michael (1553) | Lost 0-2 | -171501 |
| 3modern | 381 | Dort, Brandon (1413) | Lost 0-2 | -201481 |
| 4modern | 598 | Grodzinski, Ryan (1722) | Lost 0-2 | -141467 |
| average opponent: 1547record: 1-3 | new rating: 1467 | |||