Solution
37. ♝d3 e2+ 38. ♚h2 ♜g4 39. ♜h7+ ♚g8 40. ♜xg4+
The position
This expert puzzle (rating 2390) asks White to move to find the winning idea. It features these themes: Tactics.
It is White to move. Look for the tactic hiding in the position — Tactics. 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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