Callahan, Amy
Current rating: 1468
Record: 1-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 459 | Cannard, Geoff (1500) | Lost 0-2 | -181482 |
| 2sealed | 517 | Wagner, Andrew W (1496) | Lost 0-2 | -181464 |
| 3sealed | 534 | Franklin, Eric (1630) | Won 2-1 | +211485 |
| 4sealed | 533 | Green, Brendan (1542) | Lost 1-2 | -171468 |
| average opponent: 1542record: 1-3 | new rating: 1468 | |||