Solution
51… b2 52. ♜b1 ♚b3 53. ♜xb2+ ♚xb2
The position
This advanced puzzle (rating 1857) asks Black to move to find the winning idea. It features these themes: Rook Endgame.
It is Black to move. Look for the tactic hiding in the position — Rook Endgame. 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.