Solution
39. ♜xc2+ ♚xc2 40. ♚xd4 ♚d2 41. e6 e3 42. e7
The position
This expert puzzle (rating 2234) asks White to move to find the winning idea. It features these themes: Deflection.
It is White to move. Look for the tactic hiding in the position — Deflection. 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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