Mate in 2 · No. 273 · ~1900 · Sacrifice

Two rooks and two knights

White to play and mate in two.

Position

White: king on g8, rooks on b2 and c3, knights on d3 and e4, pawns on a4 and b3
Black: king on a6, rooks on a5 and b5, bishop on c6, knight on b6, pawns on a3, a7, b4, b7 and d7