Solution
45. a5 ♚e7 46. axb6 ♚d7 47. b7 ♚c7 48. ♜d6
The position
This expert puzzle (rating 2466) asks White to move to find the winning idea. It features these themes: Clearance.
It is White to move. Look for the tactic hiding in the position — Clearance. 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.