Mate in 2 · No. 649 · ~1700 · Sacrifice

Two rooks and two knights

White to play and mate in two.

Position

White
king on a5, rooks on g4 and g6, knights on c2 and f7, pawns on e4, f2 and f4
Black
king on h3, queen on g5, rook on h2, knight on h4, pawns on f3, f5, f6 and h6