Mate in 1 · No. 90 · Predicted ~1500

Queen, rook, bishop and two knights

White to play and mate in one.

Position

White
king on g1, queen on c8, rook on h3, bishop on c4, knights on f5 and h5, pawns on a3, f2, g2, g3 and h2
Black
king on g8, queen on f8, rooks on a8 and h8, bishop on c7, knights on a4 and e4, pawns on e5, f7, g5, g7 and h7