Solution
40… ♝f2 41. ♜c8 g3+ 42. ♚h3 g2 43. ♜f8+ ♚e6
The position
This advanced puzzle (rating 2163) asks Black to move to find the winning idea. It features these themes: Quiet Move.
It is Black to move. Look for the tactic hiding in the position — Quiet Move. 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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