Polina Ershova (Полина Ершова)
| WCA ID | Name | Country | Gender |
|---|---|---|---|
 2018ERSH02
|
Polina Ershova (Полина Ершова) | Russia | Female |
| Event | NR | CR | WR | Competition | Best | Average | Competition | WR | CR | NR |
|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 1742 | 19954 | 81434 | Kostroma Winter Open 2018 | 17.83 | 21.23 | Kostroma Winter Open 2018 | 79496 | 19401 | 1675 |
| 2x2x2 Cube | 2039 | 22144 | 79424 | Kostroma Winter Open 2018 | 5.84 | 6.95 | Kostroma Winter Open 2018 | 59907 | 16872 | 1366 |
| Pyraminx | 1154 | 11938 | 37026 | Kostroma Winter Open 2018 | 7.66 | 12.78 | Kostroma Winter Open 2018 | 47902 | 15061 | 1603 |
| Skewb | 592 | 7537 | 22854 | Kostroma Winter Open 2018 | 7.38 | 9.45 | Kostroma Winter Open 2018 | 16198 | 5344 | 378 |