Solution
43. f4 ♝a7 44. f5 ♚f4 45. f6 ♚xg5 46. f7 ♝c5 47. a6
The position
This expert puzzle (rating 2339) asks White to move to find the winning idea. It features these themes: Sacrifice, Quiet Move.
It is White to move. Look for the tactic hiding in the position — Sacrifice, Quiet Move. 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.