Koski, Emma
Current rating: 1487
Record: 2-3
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 319 | Robinson, Connor (1726) | Won 2-0 | +221522 |
| 2modern | 218 | Heule, Tyler (1612) | Lost 0-2 | -161506 |
| 3modern | 450 | Ng, Aaron (1488) | Won 2-1 | +171523 |
| 4modern | 314 | Koshak, Jacob (1590) | Lost 0-2 | -161507 |
| 5modern | 639 | Allen, Nolan (1403) | Lost 0-2 | -201487 |
| average opponent: 1564record: 2-3 | new rating: 1487 | |||