Cook, Sonja
Current rating: 1482
Record: 3-4
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 325 | Welshons, Weston (1461) | Won 2-0 | +171517 |
| 2modern | 445 | McMahon, Christopher (1511) | Won 2-1 | +181535 |
| 3modern | 210 | Green, Robert (1431) | Lost 1-2 | -201515 |
| 4modern | 433 | Cheng, Bob (1519) | Won 2-0 | +181533 |
| 5modern | 179 | Griffin, Thomas (1636) | Lost 0-2 | -161517 |
| 6modern | 476 | Navarro, Andrew (1587) | Lost 1-2 | -171500 |
| 7modern | 652 | Armstrong, Timothy (1476) | Lost 1-2 | -181482 |
| average opponent: 1517record: 3-4 | new rating: 1482 | |||