Solution
17. f4 ♝g4 18. fxe5 ♝xe2 19. ♞xe2
The position
This advanced puzzle (rating 2040) asks White to move to find the winning idea. It features these themes: Middlegame.
It is White to move. Look for the tactic hiding in the position — Middlegame. 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.