Norway: Indian Grandmaster B Adhiban went down to Hikaru Nakamura of United States in the first game of the third round of World Chess Cup here.
The loss as white came as a huge blow as Adhiban will now have to play for a victory with black pieces in the return game to stay in the match. The last remaining Indian will otherwise be ousted from the knockout event.
On a day of big upsets, Evgeny Tomashevsky of Russia caused the biggest reversal accounting for top seed Levon Aronian of Armenia. Tomashevsky won with black pieces and now needs just a draw in the return game as white to proceed to the pre-quarterfinals.