Solution
49… ♚c4 50. ♜c7+ ♚b3 51. ♜c1 a3
The position
This advanced puzzle (rating 1964) asks Black to move to find the winning idea. It features these themes: Tactics.
It is Black to move. Look for the tactic hiding in the position — Tactics. 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.