Mate in 2 · No. 223 · ~1700 · Sacrifice

Queen and rook

White to play and mate in two.

Position

White
king on g4, queen on c3, rook on b4, pawns on c2, e4 and f2
Black
king on a3, queen on a6, bishop on b1, knights on b3 and d3, pawns on a4, b5, b6 and c6