Butler, Derek
Current rating: 1495
Record: 6-6-1
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 596 | Hu, Ruochen (1519) | Lost 1-2 | -181517 |
| 2sealed | 606 | Strickland, Joshua (1482) | Won 2-0 | +171534 |
| 3sealed | 765 | Stickney, Kyle (1407) | Lost 0-2 | -201514 |
| 4sealed | 718 | Hoover, Wade (1484) | Lost 0-2 | -191495 |
| average opponent: 1473record: 1-3 | new rating: 1495 | |||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 197 | Genid, Samir (1483) | Draw 1-1 | 01500 |
| 2standard | 247 | Sawyer, Alex (1576) | Won 2-0 | +191519 |
| 3standard | 234 | Sledd, Andrew (1470) | Lost 0-2 | -191500 |
| 4standard | 347 | Gray, Michael (1449) | Won 2-1 | +171517 |
| 5standard | 240 | Walpole, Travis (1450) | Won 2-1 | +171534 |
| 6standard | 149 | Honeycutt, Evan (1535) | Lost 0-2 | -181516 |
| 7standard | 220 | Beard, Joshua (1521) | Lost 1-2 | -181498 |
| 8standard | 221 | Daniels, Sabastian (1514) | Won 2-0 | +181516 |
| 9standard | 167 | Jakimavicius, Martin (1541) | Won 2-0 | +191535 |
| average opponent: 1504record: 5-3-1 | new rating: 1535 | |||