Mate in 1 · No. 229 · Predicted ~900

Queen, rook and knight

White to play and mate in one.

Position

White: king on h2, queen on f5, rook on d1, knight on h4, pawns on a2, c2, e4 and g2
Black: king on e8, queen on f8, rook on h8, bishop on c3, pawns on b5, d7, f6 and f7