How Magnus Carlsen won chess back from the machines

Breakthroughs in computing have changed how high-level chess is played, making stalemates all too common. But the Norwegian champion's stunning performance in Dubai wrests the game back from the grip of the supercomputers, Guardian US deputy sport editor Bryan Graham reports Nearly 25 years ago, the world chess champion Garry Kasparov was defeated by the IBM supercomputer Deep Blue in a series of matches watched around the world. The Guardian's US deputy sport editor, Bryan Graham, tells Michael...