Mate in 3 · No. 173 · ~1900 · Check

Queen, two rooks and bishop

White to play and mate in three.

Position

White
king on b5, queen on f2, rooks on c7 and e2, bishop on f7, pawns on a3, d2, f3, g4 and h4
Black
king on h3, queen on h6, rooks on g6 and h1, knights on e5 and g3, pawns on e3, e4, e6, f5, g5 and h5