| Teams | Participants | |
|---|---|---|
| Ekaterinburg (Mini) | 4 | 8 |
| Kazan | 16 | 50 |
| Kazan (Mini) | 8 | 23 |
| London | 13 | 36 |
| London (Mini) | 4 | 11 |
| Moscow | 124 | 294 |
| Moscow (Mini) | 15 | 35 |
| Riga | 12 | 22 |
| Riga (Mini) | 9 | 30 |
| St.Petersburg | 114 | 291 |
| St.Petersburg (Mini) | 49 | 128 |
| Yekaterinburg | 19 | 54 |
| All participants | 387 | 982 |