Cotner, Katie
Current rating: 1480
Record: 2-3-2
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Bowden, Erin (1500) | Won 2-1 | +181518 |
| 2standard | 289 | Dorsey, Kyle (1474) | Lost 0-2 | -191499 |
| 3standard | 465 | Mathis, Jeffrey (1406) | Lost 1-2 | -191480 |
| average opponent: 1460record: 1-2 | new rating: 1480 | |||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 554 | Gilbert, Jermaine P (1500) | Draw 1-1 | 01500 |
| 2standard | 377 | Kerwin, Aaron (1500) | Won 1-0 | +181518 |
| 3standard | 282 | Villanueva, Enrique (1517) | Draw 1-1 | 01518 |
| 4standard | 437 | Rankin, Michael (1518) | Lost 0-1 | -181500 |
| average opponent: 1509record: 1-1-2 | new rating: 1500 | |||