Mate in 3 · No. 52 · ~1300 · Check

Queen, rook and bishop

White to play and mate in three.

Position

White
king on a1, queen on h3, rook on d2, bishop on g3, pawns on b3 and b4
Black
king on c8, queen on f7, rooks on a7 and c6, knight on a5, pawns on a6, c5, d5, d7 and f6