Ernst, Zack
Current rating: 1503
Record: 3-3
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | McConahie, Jesse (1504) | Lost 1-2 | -181482 |
| 2sealed | 817 | Nash, Brandon (1539) | Lost 0-2 | -171465 |
| 3sealed | 942 | Brooks, Nick (1524) | Lost 0-2 | -171448 |
| 4sealed | 890 | Snow, James (1367) | Won 2-0 | +171465 |
| 5sealed | 749 | Bennett, Xavier (1466) | Won 2-1 | +181483 |
| 6sealed | 595 | Ice, David (1599) | Won 2-1 | +201503 |
| average opponent: 1500record: 3-3 | new rating: 1503 | |||