The ninth World Chess Championship game between Vishwanathan Anand and Magnus Carlsen will be played today. Norway's World Champion is currently leading with 4-and-a-half points to Anand's 3-and-a-half, with 4 rounds to play. Victory in the sixth game had given Carlsen a crucial one point lead. Last two games ended square.The 12-game Championship is being played in Sochi, Russia.