Mate in 1 · No. 91 · Predicted ~1700

Queen, rook and bishop

White to play and mate in one.

Position

White: king on h1, queen on f4, rook on h5, bishop on c5, pawns on a4, b2, b3, e4, g2 and g4
Black: king on e6, queen on h8, rooks on c8 and g8, bishop on e8, knight on f8, pawns on b5 and b6