Mate in 1 · No. 63 · Predicted ~1700

Queen, rook and knight

White to play and mate in one.

Position

White: king on g1, queen on e4, rook on d1, knight on c6, pawns on a4, b2, b4 and g3
Black: king on c8, queen on f4, rooks on e8 and g8, bishops on a8 and e7, pawns on a6, b6, b7, c7 and g5