Stoney, Preston
Current rating: 1572
Record: 7-4
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 80 | Allen, Terry (1504) | Won 2-0 | +181518 |
| 2standard | 44 | Gille, Brandon (1525) | Lost 1-2 | -181500 |
| 3standard | 552 | Wen, Gavin (1565) | Won 2-1 | +191519 |
| 4standard | 459 | Shpiragu, Arber (1518) | Lost 0-2 | -181501 |
| 5standard | 577 | Spatz, Eric (1423) | Won 2-0 | +171518 |
| 6standard | 432 | Yatsenko, Alex (1529) | Won 2-1 | +181536 |
| 7standard | 186 | Han, David (1540) | Won 2-1 | +181554 |
| 8standard | 240 | Bourroughs, Chris (1745) | Won 2-1 | +221576 |
| 9standard | 62 | Epstein, Justin (1834) | Won 2-1 | +221598 |
| 10standard | 76 | Graves, Robert (1898) | Lost 0-2 | -121586 |
| 11standard | 88 | Martinez, Mario E (1846) | Lost 0-2 | -141572 |
| average opponent: 1630record: 7-4 | new rating: 1572 | |||