Mate in 1 · No. 247 · Predicted ~900

Queen, two rooks, two bishops and knight

White to play and mate in one.

Position

White
king on f1, queen on c2, rooks on b8 and g1, bishops on d6 and f3, knight on e6, pawns on a3, b4, c3, e4, f4, g3 and h2
Black
king on g8, queen on a7, rooks on f8 and h8, bishops on f6 and h1, knights on a6 and b7, pawns on c6, c7, d7, f7, g7, h5 and h7