This is the hardest puzzle ever. Not even Stockfish can solve it. After around an hour of thinking. https://www.chess.com/a/rUJZKDMG2Qh58?tab=analysis
This is the hardest puzzle ever. Not even Stockfish can solve it. After around an hour of thinking. https://www.chess.com/a/rUJZKDMG2Qh58?tab=analysis