Mate in 2 · No. 290 · Harder

Queen, rook and two knights

White to play and mate in two.

Position

White
king on b8, queen on e7, rook on a8, knights on d1 and e6, pawns on e2 and h2
Black
king on g6, knight on f2, pawns on e4, g7, h4 and h7