Queen sacrifice for the rook
Objective: White to move. Sacrifice the queen to clear the rook’s route to mate.
Position and task condition
The black king is shielded on only one side, while White’s rook controls the seventh rank. A forcing check must clear the rook’s route to the back rank.
FEN
6k1/pb1R1p2/1p4pp/6n1/1P6/3Q1P1P/1qr3P1/4R1K1 w - - 0 1Theme: Queen sacrifice