Kaufman, Aaron J
Current rating: 1484
Record: 2-3
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Janiszewski, Stefan (1500) | Won 2-0 | +181518 |
| 2standard | 16 | Thompson, Zach (1509) | Lost 0-2 | -181500 |
| 3standard | 334 | Pincus, Max (1576) | Won 2-1 | +191519 |
| 4standard | 238 | Higgins, Charles (1575) | Lost 0-2 | -171502 |
| 5standard | 338 | Perez, Ryan (1462) | Lost 0-2 | -181484 |
| average opponent: 1524record: 2-3 | new rating: 1484 | |||