Mate in 3 · No. 183 · ~1800 · Check

Queen, rook and bishop

White to play and mate in three.

Position

White
king on c6, queen on a2, rook on h7, bishop on h1, pawns on c2, e2, f2, g2 and h3
Black
king on h4, queen on e1, rooks on f4 and f5, bishop on g7, knights on f7 and g5, pawns on e3, e5, e6 and h5