Magnus Carlsen's mistake in Game 1 could prove costly: Viswanathan Anand

Five-time world champion Viswanathan Anand said that Carlsen's mistake could turn out to be an expensive one as challenger Caruana has not yielded an inch to the Norwegian since the opening game. With the score tied at three-all at the midway stage, the World Chess Championship clash between Magnus Carlsen and Fabiano Caruana is becoming more intense by the day.