[Grammar] Please check if my sentence is correct

[Larisa_rog]

Please check if the following sentence is understandable and correct grammatically:

A regular Russia Championship has just finished, where twenty sets of prizes were played out: fourteen individual and six team ones.

Thanks
Larisa

 

[Rover_KE]

Welcome to the board, Larisa.

A regular Russian Championship has just finished, in which twenty sets of prizes were competed for: fourteen individual and six team ones.

Rover