Mate in 1 · No. 193 · Predicted ~900

Queen and two rooks

White to play and mate in one.

Position

White
king on g1, queen on d5, rooks on b1 and h1, pawns on a3, b2, c4 and h4
Black
king on h8, queen on b8, rooks on e8 and g8, bishop on c6, pawns on b5, c5, e7, f6 and g7