Three Check puzzle#8

I think is impossible to solve, only machines can do that. But if you solve that, you had to be +2000 rating in three-check gamemode

I don't think it's impossible. You just have to recognise the need to eliminate white's threat and find the outlandish move that does that. Then it's pretty simple.

ok i'm thinking and i don't see the solution

No, it was a Stockfish variation I found while analysing one of my games. Thought it looked cool, made it a puzzle