Mate in 3 · No. 90 · Harder

Queen, two rooks and knight

White to play and mate in three.

Position

White: king on h1, queen on g6, rooks on e1 and f1, knight on g4, pawns on a3, b3, c3, g2 and h3
Black: king on g8, queen on b7, rooks on d5 and h4, bishop on g7, knight on h5, pawns on a6, b4, d6, e7 and h6