Mate in 3 · No. 457 · Easier

Queen and two rooks

White to play and mate in three.

Position

White
king on h2, queen on d7, rooks on c6 and d6, pawns on a3, b2, e2 and h4
Black
king on h7, rook on f8, bishop on b4, pawns on e7, f4, f7 and g5