Casey, Jason
Current rating: 1468
Record: 1-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Goldstein, Brian (1544) | Lost 1-2 | -171483 |
| 2sealed | 368 | Morris, Mathew (1483) | Won 2-1 | +181501 |
| 3sealed | 343 | Collins, Sean (1602) | Lost 0-2 | -161485 |
| 4sealed | 523 | Kanegawa, Toshiya (1581) | Lost 0-2 | -171468 |
| average opponent: 1553record: 1-3 | new rating: 1468 | |||