Mate in 1 · No. 199 · Predicted ~900

Queen, two rooks and bishop

White to play and mate in one.

Position

White
king on h1, queen on b7, rooks on c1 and h7, bishop on a4, pawns on d2, d3, e2, f3, g3, g4, h2 and h3
Black
king on f8, queen on a3, rooks on b8 and e8, bishop on c6, knight on c7, pawns on a6, b5, c5, e7, f7, g5 and g7