Solution
36. ♚a1 ♚f8 37. ♝xg7+ ♜xg7 38. ♛h8+ ♚f7 39. ♛xc8 ♛e5+ 40. ♚b1
The position
This intermediate puzzle (rating 1500) asks White to move to find the winning idea. It features these themes: Skewer, Middlegame.
It is White to move. Look for the tactic hiding in the position — Skewer, Middlegame. 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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