Mate in 3 · No. 74 · ~2100 · Sacrifice

Queen, two rooks and bishop

White to play and mate in three.

Position

White
king on e8, queen on c4, rooks on b6 and b8, bishop on e1, pawns on a2, a4, c3, f2 and h3
Black
king on a5, queen on d6, rook on b4, bishops on a8 and c7, knights on a6 and b2, pawns on b5, b7, c6, d4, d5 and d7