Hammaker, Maggie
Current rating: 1502
Record: 3-3
| Grand Prix Columbus 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 134 | Dinnebier, Alex (1503) | Won 2-1 | +181518 |
| 2modern | 47 | Gonzalez, Dylan (1487) | Lost 1-2 | -181500 |
| 3modern | 180 | Conlin, Paul (1449) | Lost 0-2 | -191481 |
| 4modern | 282 | Kruchkow, Jeffrey (1640) | Won 2-1 | +201501 |
| 5modern | 171 | Pickett, Wyatt (1481) | Won 2-0 | +181519 |
| 6modern | 138 | Gonzalez, Jacob (1543) | Lost 0-2 | -171502 |
| average opponent: 1517record: 3-3 | new rating: 1502 | |||