Davey, Peter
Current rating: 1481
Record: 4-5
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 6 | Chandler, Travis A (1504) | Won 2-1 | +181518 |
| 2extended | 74 | Pogrebinsky, Alexander (1436) | Lost 0-2 | -191499 |
| 3extended | 309 | Magdaleno, Joseph (1550) | Lost 1-2 | -171482 |
| 4extended | 410 | Sutherland, Thomas (1482) | Won 2-1 | +181500 |
| 5extended | 238 | Dykes, Matthew (1487) | Won 2-0 | +171517 |
| 6extended | 188 | Quintero, Pedro (1497) | Won 2-1 | +181535 |
| 7extended | 133 | Boehm, Greg (1583) | Lost 0-2 | -171518 |
| 8extended | 177 | Franson, Alex (1452) | Lost 1-2 | -191499 |
| 9extended | 167 | Milner, John M (1499) | Lost 1-2 | -181481 |
| average opponent: 1499record: 4-5 | new rating: 1481 | |||