Mate in 1 · No. 146 · Predicted ~1100

Queen, two rooks and bishop

White to play and mate in one.

Position

White: king on e1, queen on g6, rooks on a1 and h1, bishop on b3, pawns on a3, a4, e2, e4, f4 and g3
Black: king on f8, queen on a2, rooks on a8 and g8, bishop on d3, knight on f5, pawns on e5, e7, f7, g7 and h6