A Mathematician Answers a 150-Year-Old Chess Problem Ifeadi C. 05:58 Feed: All Latest, Zero Tech Blog The n-queens problem is about finding how many different ways queens can be placed on a chessboard so that none attack each other. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsGloriously random animation about a man named Steve is going viralHere's a tuna fish sliced in half yet still flailing, refusing to dieLena Dunham describes painful decision to re-home her dog in emotional Instagram postAngry guy flings his powerbank on the ground in the airport, causing it to explodeThis Nokia 3310 has everything: Putin, Trump, titanium, and gold'Spiderman: Homecoming' Gives Us a Reason to Study the Physics of Spider-Man's Webs