Kidder, Joseph
Current rating: 1505
Record: 3-3
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 578 | Holt, Christopher (1482) | Lost 1-2 | -181482 |
| 2sealed | 800 | Coldiron, Nolan (1482) | Lost 1-2 | -181464 |
| 3sealed | 863 | Zung, Stacy (1473) | Won 2-0 | +181482 |
| 4sealed | 668 | Hassenmayer, Russell (1482) | Won 2-1 | +181500 |
| 5sealed | 475 | Bleifeld, Brian (1511) | Won 2-1 | +181518 |
| 6sealed | 325 | Gennari Souza, Juliano (1774) | Lost 0-2 | -131505 |
| average opponent: 1534record: 3-3 | new rating: 1505 | |||