Solution
40… g4 41. ♛xg4+ ♝xg4 42. ♜xe1 ♝xe1
The position
This advanced puzzle (rating 2003) asks Black to move to find the winning idea. It features these themes: Fork.
It is Black to move. Look for the tactic hiding in the position — Fork. 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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