Mate in 3 · No. 389 · Harder

Queen, rook and two bishops

White to play and mate in three.

Position

White
king on f1, queen on e2, rook on d3, bishops on c1 and d1, pawns on f2, f4 and g3
Black
king on b5, knight on d7, pawns on a6, c7 and d6