Mate in 3 · No. 172 · ~1700 · Check

Queen and bishop

White to play and mate in three.

Position

White
king on h3, queen on b4, bishop on f2, pawns on a2, a3, e4 and g4
Black
king on d3, rook on c2, bishops on a6 and e1, knight on d2, pawns on a4, b5, f3 and g6