Solution
30. ♚xf4 g5+ 31. fxg6 c4 32. g7 ♚xg7 33. ♚e5 b5 34. ♚d6
The position
This expert puzzle (rating 2455) asks White to move to find the winning idea. It features these themes: En Passant.
It is White to move. Look for the tactic hiding in the position — En Passant. 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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