Koontz, Tasha
Current rating: 1463
Record: 2-4
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 170 | Birrell, Ian (1500) | Lost 0-2 | -181482 |
| 2sealed | 364 | Kincaid, Nicholas (1444) | Lost 0-2 | -191463 |
| 3sealed | 403 | Griffin, Morgan (1465) | Won 2-0 | +181481 |
| 4sealed | 365 | Mackay, Chris (1482) | Lost 1-2 | -181463 |
| 5sealed | 318 | Moyer, Eric (1466) | Won 2-0 | +181481 |
| 6sealed | 246 | Spenner, Rex (1481) | Lost 0-2 | -181463 |
| average opponent: 1473record: 2-4 | new rating: 1463 | |||