Mate in 2 · No. 250 · ~1500 · Sacrifice

Queen, rook and two knights

White to play and mate in two.

Position

White
king on a4, queen on f8, rook on a8, knights on a3 and e7, pawns on a2, e2, e4 and g2
Black
king on h6, queen on g5, rook on g6, bishop on f6, knights on f7 and h8, pawns on f3, f5, g7 and h5