Armenian chess grandmaster Levon Aronian drew with Wesley So of the United States at round six of London Chess Classic, the concluding leg of the 2017 Grand Chess Tour.
The round was victorious only for Russian GM Ian Nepomniachtchi, who outplayed Michael Adams, the National Olympic Committee said.
The other pairs that drew their games were Maxime Vachier-Lagrave-Fabiano Caruana, Hikaru Nakamura-Magnus Carlsen and Viswanathan Anand-Sergey Karjakin.
After six rounds, Fabiano Caruana is leading the table with 4 points, followed by Ian Nepomniachtchi, who has collected 3.5 points. Levon Aronian shares 3-7 spots with Carlsen, Vachier-Lagrave, Nakamura and So with 3 points.
Aronian will face Hikaru Nakamura at round seven.
London Chess Classic 2017 is a 10-player round robin featuring a prize fund of $300,000.