Hamby, Derek A
Current rating: 1497
Record: 6-6
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 270 | Adair, Timothy (1500) | Won 2-1 | +171535 |
| 2standard | 226 | Rudzena, Jack (1465) | Lost 0-2 | -191516 |
| 3standard | 386 | Pacheco, Jorge (1465) | Lost 0-2 | -191497 |
| 4standard | 531 | Seymour, Jim (1481) | Won 2-1 | +181515 |
| 5standard | 515 | Rosov, Elijah (1500) | Lost 0-2 | -181497 |
| average opponent: 1482record: 2-3 | new rating: 1497 | |||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 246 | Clark, Eric (1571) | Won 2-1 | +191519 |
| 2standard | 241 | Silverman, Corey (1518) | Won 2-1 | +181537 |
| 3standard | 52 | Raun, Jeffrey (1507) | Lost 0-2 | -181519 |
| 4standard | 256 | Johnson, Davin (1501) | Won 2-0 | +171536 |
| 5standard | 114 | Felker, Daniel (1536) | Won 2-0 | +181554 |
| 6standard | 65 | Walden, Andrew [USA] (1680) | Lost 0-2 | -151539 |
| 7standard | 120 | van Sickle, Joseph (1377) | Lost 1-2 | -211518 |
| average opponent: 1527record: 4-3 | new rating: 1518 | |||