Scarborough, Joshua
Current rating: 1502
Record: 3-3
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 161 | Dudley, Robert (1537) | Lost 1-2 | -171483 |
| 2extended | 330 | Grandon, Dan (1465) | Won 2-0 | +171500 |
| 3extended | 207 | Alsept, Donald (1536) | Lost 0-2 | -171483 |
| 4extended | 332 | Araujo, Alexander A (1456) | Won 2-0 | +181501 |
| 5extended | 298 | King, Jeremy (1547) | Won 2-1 | +181519 |
| 6extended | 258 | Guzman, Daniel (1582) | Lost 1-2 | -171502 |
| average opponent: 1520record: 3-3 | new rating: 1502 | |||