Jackson, Ellen
Current rating: 1538
Record: 7-6
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 542 | Koven, Robert (1724) | Lost 1-2 | -141539 |
| 2sealed | 49 | Dupree, Benjamin (1480) | Lost 1-2 | -201519 |
| 3sealed | 683 | Nguyen, Steve (1445) | Won 2-0 | +171536 |
| 4sealed | 571 | Scauzillo, Ryan (1481) | Won 2-0 | +171553 |
| 5sealed | 428 | Bogner, Ryan (1737) | Lost 1-2 | -151538 |
| average opponent: 1574record: 2-3 | new rating: 1538 | |||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Stege, Garrett (1500) | Won 2-0 | +181518 |
| 2sealed | 295 | Jensen, Matthew D (1483) | Won 2-0 | +171535 |
| 3sealed | 282 | Mangner, Sean (1917) | Won 2-1 | +251560 |
| 4sealed | 199 | Stark, Ben S (2202) | Lost 0-2 | -81552 |
| 5sealed | 198 | Salazar, Sean A (1536) | Won 2-0 | +181570 |
| 6sealed | 238 | Shakarisaz, David (1661) | Won 2-0 | +201590 |
| 7sealed | 148 | Stewart, Phillip (1592) | Lost 1-2 | -181572 |
| 8sealed | 191 | Gibson, William (1559) | Lost 1-2 | -191553 |
| average opponent: 1681record: 5-3 | new rating: 1553 | |||