Hatfield, Daniel
Current rating: 1440
Record: 4-8
| Grand Prix Oakland 2019 (modern) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 135 | Young, Alasdair (1488) | Lost 0-2 | -181477 |
| 2modern | 444 | Contreras, Cameron (1527) | Lost 0-2 | -171460 |
| 3modern | 519 | Roth, Eric (1470) | Lost 1-2 | -181442 |
| 4modern | 525 | Coleman, Alan (1445) | Lost 1-2 | -181424 |
| 5modern | 477 | Graves, Gavin (1291) | Won 2-0 | +161440 |
| average opponent: 1444record: 1-4 | new rating: 1440 | |||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 54 | Naidu, Akash (1661) | Lost 1-2 | -151485 |
| 4legacy | 527 | Ziemba, Brian (1845) | Lost 0-2 | -121473 |
| 5legacy | 590 | Piercy, Tommy (1482) | Lost 0-2 | -181455 |
| 6legacy | 605 | Battista, Bryton (1436) | Won 2-0 | +181473 |
| 7legacy | 502 | Thuemler, Joseph (1732) | Lost 1-2 | -131460 |
| 8legacy | 409 | Bale, Brandon (1413) | Won 2-1 | +171477 |
| 9legacy | 290 | Smith, Jeremiah (1493) | Won 2-0 | +181495 |
| average opponent: 1580record: 3-4 | new rating: 1495 | |||