Solution
67… ♚xa6 68. ♚b3 ♚b5 69. ♚c3 ♚c5 70. ♚d3 ♚d5 71. ♚e3 ♚e5
The position
This intermediate puzzle (rating 1477) asks Black to move to find the winning idea. It features these themes: Zugzwang.
It is Black to move. Look for the tactic hiding in the position — Zugzwang. 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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