Mack, Dalton
Current rating: 1395
Record: 1-7
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Jones, Elliott (1718) | Lost 0-2 | -141486 |
| 2standard | 370 | Keyes, Jared (1481) | Lost 0-2 | -181468 |
| 3standard | 663 | Lucas, Mark [USA] (1467) | Lost 1-2 | -181450 |
| 4standard | 736 | Schrader, Travis (1444) | Lost 0-2 | -181432 |
| 5standard | 728 | D'Ambrosio, Dillon (1423) | Lost 1-2 | -181414 |
| 6standard | 686 | Wheatley, Josiah (1409) | Won 2-1 | +171431 |
| 7standard | 611 | DeVoll, Mark (1425) | Lost 1-2 | -181413 |
| 8standard | 541 | Mayhew, Daniel (1404) | Lost 0-2 | -181395 |
| average opponent: 1471record: 1-7 | new rating: 1395 | |||