Solution
38. c4+ ♞xc4 39. ♛b7+ ♚d4 40. ♛a7+ ♚d3 41. ♛xf2
The position
This advanced puzzle (rating 2180) asks White to move to find the winning idea. It features these themes: Skewer.
It is White to move. Look for the tactic hiding in the position — Skewer. 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.