Solution
57… ♞xd6+ 58. cxd6 ♚xd6 59. g6 ♚e7 60. ♚g5 ♚f8 61. ♚h6 ♚g8
The position
This expert puzzle (rating 2335) asks Black to move to find the winning idea. It features these themes: Tactics.
It is Black to move. Look for the tactic hiding in the position — Tactics. 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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