Mate in 2 · No. 449 · ~1600 · Sacrifice

Queen, rook and two knights

White to play and mate in two.

Position

White
king on d7, queen on a1, rook on g6, knights on d1 and d5, pawns on b3, c3, e4, g2 and h2
Black
king on h4, queen on h5, rook on g5, bishops on e5 and h1, knights on f4 and g1, pawns on e7, f3, f6, f7 and h3