Solution
26… ♜a3 27. ♛xb4 ♛a7 28. ♜e7 ♜b8 29. ♜xa7 ♜xb4+ 30. ♚a1 ♜xa7
The position
This expert puzzle (rating 2208) asks Black to move to find the winning idea. It features these themes: Pin.
It is Black to move. Look for the tactic hiding in the position — Pin. Drag a piece on the board to play your move; the puzzle will tell you if you found the best continuation.
Take 50,000 puzzles anywhere
Get Chess Puzzles Trainer for iPhone and iPad — the same puzzles, offline, with progress tracking and spaced repetition.