Mate in 2 · No. 509 · ~1100 · Check

Two rooks and two knights

White to play and mate in two.

Position

White
king on c6, rooks on c5 and h3, knights on a8 and h1, pawns on a3, d3, f2, f4 and g4
Black
king on c8, queen on a7, rook on f6, bishop on a5, knights on d7 and f5, pawns on b6, c7, e6 and f7