One possible line according to Lomonosov TB. All moves are perfect. White mates in 34 with best play from both sides.
Endgame Study - G. Rol, Chess.com, 2016
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May 17, 2021
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#3
This is very interesting thank you, actually this could lead to new rules for validating an endgame study, no the solution is not unique but yes it's worth knowing it for a human player otb.
That makes me a bit sad. I made this endgame before I was aware of the 7-piece tablebase and didn't think of checking it later. Today I verify all my <=7 piece creations so that shouldn't happen anymore. 
Drag the pieces to solve!