Mate in 1 · No. 138 · Predicted ~700

Queen and knight

White to play and mate in one.

Position

White: king on e1, queen on f6, knight on h3, pawns on b3, c3, d4, e2, f2 and g4
Black: king on h8, queen on d8, knight on b4, pawns on a6, f5, g5, g7, h6 and h7