Viswanathan Anand's failed to change his fortune as the former world champion suffered his third defeat in four games at the london Chess Classic here.
Anand went down to Maxime Vachier-lagrave of France in what was his second straight loss following a defeat against Alexander Grischuk.
With just two more rounds to go, Vachier-lagrave took the sole lead with his second victory in the tournament.
The day witnessed many interesting games and world champion Magnus Carlsen finally scored a much-needed victory over Hikaru Nakamura of United States, while levon Aronian downed Veselint Topalov in quick time.