Mate in 1 · No. 89 · Predicted ~1300

Queen, two rooks, bishop and knight

White to play and mate in one.

Position

White
king on e1, queen on e8, rooks on a1 and a5, bishop on a7, knight on d7, pawns on a2, c2, e4 and g2
Black
king on g7, queen on f8, rooks on b8 and h8, bishop on d8, knight on g8, pawns on b5, b6, b7, f5, g6 and h7