Kallahan, Kory
Current rating: 1462
Record: 1-3
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 284 | Denning, Zach (1446) | Won 2-0 | +171517 |
| 2standard | 135 | Williams, Erik L (1488) | Lost 1-2 | -191498 |
| 3standard | 381 | Steinhebel, Jeremiah (1430) | Lost 1-2 | -191479 |
| 4standard | 502 | hastain, greg (1506) | Lost 0-2 | -171462 |
| average opponent: 1467record: 1-3 | new rating: 1462 | |||