Mate in 1 · No. 15 · Predicted ~1600

Queen and rook

White to play and mate in one.

Position

White: king on e1, queen on d7, rook on a1, pawns on a3, c2, e4 and f4
Black: king on f6, queen on f3, rook on h8, bishop on b7, pawns on e7, f5, g7 and h5