Also featured in this Quanta Magazine article [1] [1] https://www.quantamagazine.org/mathematician-answers-chess-problem-about-attacking-queens-20210921/ https

Also featured in this Quanta Magazine article [1] [1] https://www.quantamagazine.org/mathematician-answers-chess-problem-about-attacking-queens-20210921/ https://www.quantamagazine.org/mathematician-answers-chess-p...