Purnette, Shawn
Current rating: 1502
Record: 4-4
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 275 | Lee, Robert N (1465) | Lost 0-2 | -191481 |
| 2extended | 292 | Zimmer, Jared (1433) | Won 2-1 | +171498 |
| 3extended | 319 | Bacine, Noah (1468) | Lost 0-2 | -181480 |
| 4extended | 405 | Massey, Christopher (1479) | Won 2-1 | +181498 |
| 5extended | 292 | Flores, Michael (1518) | Won 2-1 | +181516 |
| 6extended | 238 | Crane, Patrick (1471) | Lost 0-2 | -191497 |
| 7extended | 258 | Steht, Lee (1684) | Won 2-0 | +221519 |
| 8extended | 176 | Williams, Erik B (1602) | Lost 0-2 | -171502 |
| average opponent: 1515record: 4-4 | new rating: 1502 | |||