Mate in 3 · No. 219 · Harder

Two rooks, bishop and knight

White to play and mate in three.

Position

White
king on g5, rooks on f5 and h7, bishop on c6, knight on b3, pawns on c3, d3 and f4
Black
king on e6, rook on d2, bishop on a4, knight on e2, pawns on g7 and h5