After a rather slow start that cost him two losses in the first five rounds, Anand rose back in style defeating Fabiano Caruana of United States in the previous round.
Nakamura and Levon Aronian of Armenia are leading the tournament on four points each, a full point clear of Russian duo of Vladimir Kramnik and Sergey Karjakin, Anish Giri of Holland and Wesley So of United States.
Anand shares the seventh spot in the ten-player round- robin tournament along side world champion Magnus Carlsen of Norway, Maxime Vachier-Lagrave of France and Caruana who all have 2.5 points apiece.
The world champion has been clearly struggling on his home turf and time might already be running out for him.
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Magnus Carlsen is still looking for his first victory in the tournament and is yet to show an impressive display here.
Aronian, with scalp of two former world champions, has done quite well. Inflicting a loss to Carlsen, the Armenian followed it up with a victory against Kramnik in the previous round and he seems to be the man in form. Much would depend on how things shape up in his game against Anand.
Pairing round 7: V Anand (Ind, 2.5) v Hikaru Nakamura (Usa, 4); Vladimir Kramnik (Rus, 3) v Magnus Carlsen (Nor, 2.5), Maxime Vachier-Lagrave (Fra, 2.5) v Anish Giri (Ned, 3); Sergey Karjakin (Rus, 3) v Levon Aronian (Arm, 4); Wesley So (Usa. 3) v Fabiano Caruana (Usa, 2.5).