Bailey, Derek
Current rating: 1534
Record: 7-6
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 541 | Jamrom, Jeremiah (1500) | Won 2-0 | +181505 |
| 2sealed | 252 | Aracich, Jim (1702) | Lost 0-2 | -151490 |
| 3sealed | 334 | Wilhelm, Zachary (1501) | Won 2-0 | +191509 |
| 4sealed | 299 | Cuvelier, John (1827) | Lost 0-2 | -131496 |
| 5sealed | 413 | Gibbons, Mark (1584) | Won 2-0 | +201516 |
| 6sealed | 393 | Judy, John (1446) | Won 2-1 | +171533 |
| 7sealed | 321 | Leister, Nicole (1647) | Won 2-0 | +201553 |
| 8sealed | 232 | Cook, Anthony (1526) | Lost 0-2 | -191534 |
| average opponent: 1591record: 5-3 | new rating: 1534 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 572 | Reiners, Mitchell (1574) | Lost 0-0 | -171483 |
| 2sealed | 759 | Pendergast, Thomas (1417) | Won 2-1 | +171500 |
| 3sealed | 769 | Wright, Bryan (1500) | Won 2-1 | +181518 |
| 4sealed | 707 | Blackman, Brett (1778) | Lost 0-2 | -131505 |
| 5sealed | 809 | Holzman, Paru E (1499) | Lost 0-2 | -181487 |
| average opponent: 1553record: 2-3 | new rating: 1487 | |||