Morrison, Mathew
Current rating: 1498
Record: 3-3
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 107 | Doolan, Peter (1500) | Won 2-1 | +181518 |
| 2extended | 33 | Wilkins, Johnathan (1518) | Won 2-1 | +181536 |
| 3extended | 108 | Koven, Robert (1507) | Lost 0-2 | -191517 |
| 4extended | 261 | Perfetto, Mike (1519) | Lost 1-2 | -171500 |
| 5extended | 312 | Herbert, Cody (1486) | Won 2-1 | +171517 |
| 6extended | 254 | Pearlman, Steven (1471) | Lost 1-2 | -191498 |
| average opponent: 1500record: 3-3 | new rating: 1498 | |||