The prestigious Candidates tournament was stopped after seven rounds after the hosts Russia decided to ban all flights into and out of the country owing to the spread of the coronavirus pandemic.
Viswanathan Anand had gone to Germany to take part in the Bundesliga Chess tournament and was slated to return on March 16.
Viswanathan Anand and Koneru Humpy will lead India's men's and women's teams respectively in the Chess Olympiad to be held in Moscow.
World rapid champion Koneru Humpy and fellow Indian Dronavalli Harika settled for contrasting draws in the fourth round of the Cairns Cup chess tournament.
Anand and world champion Magnus Carlsen rang the bell at Eden Gardens on the second day of India's first-ever pink ball Test against Bangladesh in November last year.
Viswanathan Anand was held to an easy draw by Dutch hopeful Jorden Van Foreest in the sixth round of Tata Steel Masters.
Viswanathan Anand remained winless for the fourth round running, while world champion Magnus Carlsen registered his 111th game without losing, surpassing a 15-year-old record.
Koneru Humpy said it was a dream to win a world title but the triumph in the blitz format surprised even herself.
Koneru Humpy, who had claimed the World Women's Rapid Chess Championship title on Saturday, lost the final three games on Day 2 to bow out of the Blitz competition.
The Indian Grandmaster Koneru Humpy outwitted China's Lei Tingjie in a dramatic Armageddon battle to win the Women's World Rapid Chess Championship.
Magnus Carlsen has changed his Twitter bio after getting to the top of the English Premier League's official fantasy table.
Magnus Carlsen's fantasy team has some of the biggest names who are delivering in the Premier League.
Two wins and two losses kept Viswanathan Anand on joint fifth position at the Tata Steel Rapid and Blitz Tournament in Kolkata.
Five-time world champion Viswanathan Anand failed to utilise most of his opportunities in the final game as he finished joint sixth while Magnus Carlsen stamped his authority.
Viswanathan Anand is in joint third spot with six points along with Ding Liren of China and Anish Giri of Holland, while Magnus Carlsen is on top with 10 points.
Filipino-American Grandmaster Wesley So said Viswanathan Anand was so intelligent that he could have been something great even if he did not become a chess player.
World Youth Chess Championship 2019: The 14-year-old R Praggnanandhaa won gold in the Open Under-18 category after he played out a draw in the final round against Germany's Valentin Buckels.
India's Grand Master R Praggnanandhaa slipped to second position after settling for a quick draw against top seed Sargsyan Shant of Armenia.