Mate in 1 · No. 10 · Predicted ~700

Queen and rook

White to play and mate in one.

Position

White: king on f2, queen on f7, rook on f1, pawns on a2, c2, d2, g2 and h4
Black: king on h8, queen on c6, rook on b5, knight on f4, pawns on d6, g7 and h7