Deckman, Derrick
Current rating: 1481
Record: 2-3
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 267 | Murphy, John (1557) | Lost 0-2 | -171483 |
| 2extended | 360 | Hampton, Kevin (1482) | Lost 1-2 | -181465 |
| 3extended | 402 | Harris, William (1366) | Lost 1-2 | -201445 |
| 4extended | 440 | Chalmers, Dwayne (1446) | Won 2-1 | +181463 |
| 5extended | 386 | McGee, Thorin (1468) | Won 2-0 | +181481 |
| average opponent: 1464record: 2-3 | new rating: 1481 | |||