Solution
35. ♜d8+ ♞xd8 36. ♛xc5 ♜xc5 37. e7 ♞f7 38. e8=♛+
The position
This advanced puzzle (rating 2144) asks White to move to find the winning idea. It features these themes: Promotion, Sacrifice.
It is White to move. Look for the tactic hiding in the position — Promotion, Sacrifice. 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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