Deep Fritz, a chess-playing computer, has beaten human counterpart world chess champion Vladimir Kramnik in a six-game battle in Bonn, Germany. Deep Fritz won by four points to two, after taking the last game in 47 moves in a match lasting almost five hours. Of the six games, Deep Fritz won two and four ended in draws. The 31-year-old Russian, who received $500,000 (£253,000) for playing the machine, could have walked away with double if he had been successful. Read more ...