Bush, Joshua
Current rating: 1463
Record: 1-3
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 184 | Neiman, Luis (1495) | Lost 0-2 | -181482 |
| 2extended | 306 | Emery, Frank (1410) | Won 2-0 | +171499 |
| 3extended | 348 | Vodvarka, Jesse (1500) | Lost 1-2 | -181481 |
| 4extended | 422 | Gayton, Douglas (1482) | Lost 0-2 | -181463 |
| average opponent: 1472record: 1-3 | new rating: 1463 | |||