Summer, Derrick
Current rating: 1522
Record: 4-3-1
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 613 | Lanier, Gregory (1500) | Won 2-0 | +181518 |
| 2sealed | 250 | Seaton, John (1648) | Draw 1-1 | +21520 |
| 3sealed | 458 | Stauter, Jeff (1569) | Lost 0-2 | -171503 |
| 4sealed | 631 | Estomba, Charles (1497) | Won 2-0 | +181521 |
| 5sealed | 510 | Echavarria, Carlos (1526) | Won 2-0 | +181539 |
| 6sealed | 413 | Baily, Tyler (1537) | Won 2-1 | +181557 |
| 7sealed | 336 | Hagaman, Jeffrey (1553) | Lost 1-2 | -181539 |
| 8sealed | 412 | Johnson, Justin (1607) | Lost 1-2 | -171522 |
| average opponent: 1555record: 4-3-1 | new rating: 1522 | |||