Mate in 3 · No. 4 · ~1100 · Check

Queen and rook

White to play and mate in three.

Position

White
king on c3, queen on d7, rook on g5, pawns on b2, d2, g2, h2 and h3
Black
king on b8, queen on d6, rooks on a7 and b6, bishop on c7, pawns on a6, b7, c5, d5 and e6