Solution
28. ♝b5 ♜xb4 29. ♝xa6 ♜xb1+ 30. ♛xb1
The position
This intermediate puzzle (rating 1681) asks White to move to find the winning idea. It features these themes: Middlegame, Fork.
It is White to move. Look for the tactic hiding in the position — Middlegame, 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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