Mate in 3 · No. 296 · ~1700 · Check

Queen and rook

White to play and mate in three.

Position

White
king on g3, queen on b8, rook on c8, pawns on a3, d4 and h2
Black
king on a6, rook on c6, bishops on b5 and c3, knight on a5, pawns on c7, d3, d5 and d6