An incorrect diagram was run with yesterday's Chess column. At left is the correct diagram. Solution to today's problem by T. Kardos (White: Kh4,Qb3,Rd5,Nf3,Nh5 ...

Fischer Random Chess—also known as Chess960 in reference to the number of possible starting position lineups—had been in the works for a few years, but the timing following Deep Blue’s ...

James Somers on AlphaZero, an artificial-intelligence program animated by an algorithm so powerful that you could give it the rules of humanity’s richest and most studied games and, later that ...