Schaffer, Casey M
Current rating: 1482
Record: 2-3
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Gonzalez, Adam (1500) | Lost 1-2 | -181482 |
| 2sealed | 268 | Burt, Anthony (1482) | Won 2-0 | +181500 |
| 3sealed | 304 | Forman, Wade (1500) | Won 2-0 | +181518 |
| 4sealed | 232 | DeAngelo, John (1488) | Lost 0-2 | -191499 |
| 5sealed | 301 | Miller, Casey 2 (1502) | Lost 1-2 | -171482 |
| average opponent: 1494record: 2-3 | new rating: 1482 | |||