Mate in 3 · No. 129 · ~1900 · Check

Queen, two rooks and bishop

White to play and mate in three.

Position

White
king on a2, queen on g7, rooks on b8 and e2, bishop on c3, pawns on c2, d4, f2 and h3
Black
king on h4, queen on h1, rook on f4, bishop on g6, knights on f1 and g1, pawns on e6, f5, f6, f7 and g5