Solution
51… fxe4+ 52. ♚f2 e3+ 53. ♚g1 ♚g4 54. ♚h2 ♚f3 55. a6 bxa6
The position
This advanced puzzle (rating 1973) asks Black to move to find the winning idea. It features these themes: Bishop Endgame.
It is Black to move. Look for the tactic hiding in the position — Bishop Endgame. 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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