Mate in 1 · No. 4 · Predicted ~1100

Queen, two rooks and two bishops

White to play and mate in one.

Position

White: king on h2, queen on f7, rooks on c1 and d7, bishops on e3 and h1, pawns on c2, g2 and h4
Black: king on h8, queen on b7, rooks on e8 and f8, bishop on a4, knight on f6, pawns on a5, c5, g7 and h7