Mate in 2 · No. 171 · ~1700 · Sacrifice

Queen, rook and two knights

White to play and mate in two.

Position

White
king on h7, queen on f6, rook on a6, knights on a3 and f5, pawns on a4, d3, g4 and h2
Black
king on d5, queen on f4, rooks on e3 and f8, bishops on e2 and f2, knight on d6, pawns on b7, c4, c5, f7, g3, g6 and g7