World champion Viswanathan Anand opened his campaign with a thumping win over Grandmaster Teimour Radjabov of Azerbaijan to take the sole lead after the first round of the 22nd Magistral Ciudad de Linares Chess tournament.

With all the other games of the eight-player double round robin tournament ending in draws, Anand emerged as the sole leader with one point after the conclusion of the first round and will next meet Armenian Levon Aronian.