Solution
37… f3+ 38. ♞xf3 ♜xh1 39. ♜xh1 e4
The position
This advanced puzzle (rating 2031) asks Black to move to find the winning idea. It features these themes: Middlegame.
It is Black 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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