Solution
42. ♛c3+ f6 43. ♜xe1 dxe1=♜+ 44. ♛xe1
The position
This intermediate puzzle (rating 1509) asks White to move to find the winning idea. It features these themes: X-Ray Attack.
It is White to move. Look for the tactic hiding in the position — X-Ray Attack. 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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