Trending in 2023 is one of the world’s oldest games played on a 17-year-old website: Chess.com. The site, which lets people take lessons, solve puzzles, and match up against computers or other players ...

Not too long ago, chess-playing computers—the supervillain of many a human grandmaster—were as intimidating physically as they were virtually: bulky, sturdy, sleek, jet-black monoliths in miniature, ...