Solution
40. f4 ♝d6 41. ♝d4+ ♚e6 42. ♚e3 ♚d5 43. ♝xg7
The position
This advanced puzzle (rating 2175) asks White to move to find the winning idea. It features these themes: Bishop Endgame.
It is White to move. Look for the tactic hiding in the position — Bishop 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.