Mate in 1 · No. 51 · Predicted ~900

Queen, two rooks, two bishops and knight

White to play and mate in one.

Position

White
king on g1, queen on g3, rooks on b1 and f1, bishops on a7 and g4, knight on f4, pawns on a2, a4, b3, d2 and e4
Black
king on h6, queen on b7, rooks on e8 and f8, bishops on d7 and h4, knight on f7, pawns on a5, c5, c6, d5, e5, e6 and g7