Solution
38. ♞xe4 dxe4 39. ♜ea2 h2+ 40. ♚h1
The position
This intermediate puzzle (rating 1573) asks White to move to find the winning idea. It features these themes: Quiet Move, Clearance.
It is White to move. Look for the tactic hiding in the position — Quiet Move, 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.