World Chess champion Vishwanathan Anand and defender Magnus Carlsen resumed their fourth game today.Anand played with white and Carlsen played it with black pieces. Whoever scores six and a half points will be declared champions in the 12 game championship. Now both the players have secured 1.5 each.The past three games between both players ended in a draw. yesterday's game came to an end after 51 moves, now they are in the 45th move. Both the players have been playing decisively and with perseverance. Yesterday's game lasted for more than four and a half hours. Today's game began at 3 pm and is still continuing. Commentators expect this game also to end in a draw.