IMHO, the best 1º line-up for Krasnodar is with Dianskaya and Podskalnaya as MB's; Calderon as Opp, playing at position 4; Kosha at reception, and spiking at 4; and Sokolova or Pasynkova receiving, and spiking at 2.
Garay is the one to be sacrificed, because her reception is as average as Kosha's, but she can't compesate spiking high balls.
I also believe that, right now, Pasynkova is a better receiver then Lyuba, but Sacha needs a lot of playing time to get her best rhythm. The same thought applies to Kosha's passing.
So, if I'm right, it seems to be decision time to Ushakov. He'll need to make this line up start to play as soon as possible, manage the frustrations of Sokolova and Garay, and convince the managers of the team about his option. Otherwise, Krasnodar will not win this year SL, which, considering the depth of their roster vis-a-vis the other teams, will be quite a shame.