Mate in 3 · No. 467 · Harder

Queen, two rooks and bishop

White to play and mate in three.

Position

White
king on d1, queen on b4, rooks on e3 and f2, bishop on h7, pawns on a3, f4 and g2
Black
king on d4, queen on d6, pawns on c4, e7, f3 and f5