Umphress, Ash
Current rating: 1466
Record: 1-3
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 409 | Baxter, Billy (1533) | Lost 1-2 | -171483 |
| 2modern | 460 | Ruiz, Mason (1482) | Won 2-1 | +181501 |
| 3modern | 401 | Bell, Joshua (1483) | Lost 1-2 | -191482 |
| 4modern | 682 | Adkins, Joshua (1557) | Lost 0-2 | -161466 |
| average opponent: 1514record: 1-3 | new rating: 1466 | |||