Mate in 1 · No. 223 · Predicted ~900

Queen, two rooks, bishop and knight

White to play and mate in one.

Position

White
king on g1, queen on e6, rooks on d1 and h1, bishop on f5, knight on d5, pawns on a3, d4, e2, e4 and h3
Black
king on b8, queen on c2, rooks on d3 and e8, bishop on c3, knights on b4 and c4, pawns on a5, a6, a7, b7 and c7