World Champion Viswanathan Anand has slipped to joint third spot in the fourth Bilbao Final Masters chess tournament. At Sao Paulo, Brazil, Anand was held to a draw by Levon Aronian of Armenia in the fifth round of the tournament. The Indian's sole victory in the event had come in the previous round when he beat Francisco Vallejo Pons of Spain.At the half-way stage of the event, Anand, Aronian and Magnus Carlsen of Norway stand joint third with six points each. Carlsen rose back in contention for top honours with a finely crafted victory over tournament leader Vassily Ivanchuk of Ukraine. Vassily Ivanchuk still leads the table with 10 points. The Brazilian part of the tournament has ended after the fifth round. The focus will now shift to Bilbao in Spain where the event will continue after a four-day break.