Question regarding a certain brilliant move

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einWWe

At what elo do you think people be capable of finding this move, just curious? (I understand that black is winning due to white's lack of king safety, combined with black's overwhelming advantage in development/mobility.)

r1b4k/ppp1qBpp/2n2n2/4p3/4P3/1QP5/PP1P1bPP/RNB1K2R w KQ - 0 11
Bxf2!! causing black to be winning despite being potentially down 6 points of material on the next move.