Dykes, Matthew
Current rating: 1489
Record: 3-4
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 249 | Ripple, Chris (1642) | Lost 1-2 | -151485 |
| 3extended | 203 | Williams, Erik B (1593) | Lost 0-2 | -161469 |
| 4extended | 381 | Mackenzie, Rachel C (1502) | Won 2-0 | +181487 |
| 5extended | 238 | Davey, Peter (1500) | Lost 0-2 | -181469 |
| 6extended | 294 | Thomas, Brian (1482) | Won 2-1 | +191488 |
| 7extended | 237 | Johnson, Robert F (1499) | Won 2-1 | +181506 |
| 8extended | 153 | Chodan, Ross (1553) | Lost 1-2 | -171489 |
| average opponent: 1539record: 3-4 | new rating: 1489 | |||