Solution
38. ♞f6 ♛c2+ 39. ♝e2 ♜xe5 40. ♞xg8+
The position
This advanced puzzle (rating 1897) 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.
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