Mate in 3 · No. 127 · ~1500 · Check

Queen, rook and two bishops

White to play and mate in three.

Position

White
king on c6, queen on d4, rook on d2, bishops on b5 and e7, pawns on a2, a4, b2, c2 and h3
Black
king on c8, queen on f6, rook on e8, bishops on a5 and f5, knight on b7, pawns on a6, a7, c5, c7, e5 and e6