Mate in 3 · No. 509 · Easier

Queen, rook and two bishops

White to play and mate in three.

Position

White
king on c6, queen on g3, rook on g6, bishops on a4 and e1, pawns on b2, c2 and g2
Black
king on e5, queen on f4, pawns on c4, e6 and h4