Mate in 2 · No. 149 · ~2100 · Sacrifice

Queen, rook and two knights

White to play and mate in two.

Position

White
king on h4, queen on b4, rook on d2, knights on b3 and c7, pawns on a3, b2, g2, g3 and g4
Black
king on e4, queen on c4, rook on c5, bishop on f1, knights on f4 and g1, pawns on b5, f3, f6 and g6