Mate in 1 · No. 129 · Predicted ~1200

Queen, two rooks, two bishops and two knights

White to play and mate in one.

Position

White
king on e1, queen on f5, rooks on a5 and b5, bishops on b2 and h1, knights on c4 and c6, pawns on a2, a3, a4, b3, b4, f3 and g4
Black
king on g8, queen on f4, rooks on f8 and h8, bishops on a8 and h2, knights on a7 and g5, pawns on b6, b7, d7, e6, f7, g7 and h5