Thomas, Derek
Current rating: 1482
Record: 4-5-2
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 155 | Sam, Antonio (1496) | Lost 0-2 | -181480 |
| 2legacy | 613 | Anderson, James (1492) | Lost 0-2 | -181462 |
| 3legacy | 767 | Montoya, Thomas (1569) | Won 2-0 | +201482 |
| 4legacy | 560 | Pejoro, Abigail (1469) | Draw 1-1 | 01482 |
| 5legacy | 616 | Beck, Anton (1480) | Won 2-0 | +181500 |
| 6legacy | 470 | Rafferty, Jeffrey (1504) | Lost 0-2 | -181482 |
| average opponent: 1502record: 2-3-1 | new rating: 1482 | |||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 250 | Percey, Spencer (1500) | Won 2-1 | +181518 |
| 2standard | 53 | Young, Matt (1518) | Lost 0-2 | -181500 |
| 3standard | 366 | Waas, Nathan (1482) | Won 2-1 | +181518 |
| 4standard | 274 | Beety, John Dale (1422) | Lost 0-2 | -201498 |
| 5standard | 423 | Jensen, Josh p (1485) | Draw 1-1 | 01498 |
| average opponent: 1481record: 2-2-1 | new rating: 1498 | |||