Mate in 2 · No. 21 · ~2400 · Sacrifice

Two rooks, bishop and knight

White to play and mate in two.

Position

White: king on h8, rooks on c4 and f5, bishop on a2, knight on c8, pawns on b4 and f2
Black: king on a4, rooks on a3 and c6, knights on b3 and c7, pawns on a5, b7 and d7