Callaway, Joshua
Current rating: 1491
Record: 4-5
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 417 | Cipollone, Nick (1500) | Won 2-0 | +181518 |
| 2standard | 205 | Sukhram, Joel (1476) | Won 2-0 | +171535 |
| 3standard | 280 | Holliday, John (1859) | Lost 1-2 | -121523 |
| 4standard | 243 | Vannan, Timothy (1449) | Lost 0-2 | -191504 |
| 5standard | 562 | Jones, Elliott (1702) | Lost 1-2 | -151489 |
| 6standard | 561 | Mestro, Gage (1482) | Won 2-0 | +181507 |
| 7standard | 368 | Nauert, Jonathon (1621) | Lost 1-2 | -161491 |
| 8standard | 442 | Valenzuela, Victor (1491) | Won 2-0 | +181509 |
| 9standard | 363 | Mitchell, Shawn (1514) | Lost 1-2 | -181491 |
| average opponent: 1566record: 4-5 | new rating: 1491 | |||