Mate in 3 · No. 363 · Harder

Queen, two rooks and bishop

White to play and mate in three.

Position

White
king on f8, queen on a5, rooks on a4 and e2, bishop on h3, pawns on d3 and g3
Black
king on d6, queen on b2, rook on h2, pawns on a7, b6 and e6