Ball, Tameka
Current rating: 1399
Record: 1-7
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 377 | Wallner, Kevin (1506) | Lost 0-2 | -171433 |
| 2legacy | 793 | Rovegno, Joseph (1513) | Lost 0-2 | -171416 |
| 3legacy | 956 | McCann, Barbara (1461) | Lost 0-2 | -171399 |
| average opponent: 1493record: 0-3 | new rating: 1399 | |||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Chen, Michael (1691) | Lost 0-2 | -151485 |
| 2sealed | 448 | Conroy, Kyle (1482) | Lost 0-2 | -181467 |
| 3sealed | 514 | Ouimette, Justin (1494) | Lost 0-2 | -171450 |
| 4sealed | 474 | Hennessey, Jeremy (1447) | Won 2-0 | +181468 |
| 5sealed | 390 | Paulsen, Beth (1464) | Lost 0-2 | -181450 |
| average opponent: 1516record: 1-4 | new rating: 1450 | |||