Aker, Joseph
Current rating: 1429
Record: 2-6
| Grand Prix New Orleans 2003 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 99 | Springer, Joseph (1500) | Lost 0-2 | -181464 |
| 2extended | 131 | Mattson, Adam (1482) | Lost 0-2 | -171447 |
| 3extended | 145 | Stephens, John (1464) | Lost 1-2 | -181429 |
| average opponent: 1482record: 0-3 | new rating: 1429 | |||
| Grand Prix Dallas 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Rosenthal, Helio (1500) | Lost 0-2 | -181482 |
| 2sealed | 90 | Kirkpatrick, Joel (1482) | Won 2-0 | +181500 |
| 3sealed | 82 | Howell, Robert (1493) | Lost 1-2 | -181482 |
| 4sealed | 113 | Rudd, Dakota (1485) | Won 2-0 | +181500 |
| 5sealed | 85 | Rue, Charlie (1499) | Lost 0-2 | -181482 |
| average opponent: 1492record: 2-3 | new rating: 1482 | |||