Birch, Joshua
Current rating: 1446
Record: 2-5
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Judge, Thomas (1594) | Lost 0-2 | -161484 |
| 2standard | 453 | Bairley-Ujueta, Miles (1523) | Lost 1-2 | -181466 |
| 3standard | 743 | Harford, Clint (1399) | Lost 0-2 | -191447 |
| 4standard | 747 | Armstrong, Jirhon (1338) | Won 2-1 | +161463 |
| 5standard | 654 | Pellicier, Jorge (1487) | Lost 1-2 | -171446 |
| 6standard | 666 | Miller, Malik (1445) | Won 2-0 | +181464 |
| 7standard | 573 | Gerowe, Spencer (1462) | Lost 0-2 | -181446 |
| average opponent: 1464record: 2-5 | new rating: 1446 | |||