In the women's event, Koneru Humpy and D Harika posted wins in the fifth round after a below par showing on the second day of the competition on Monday.
Chess will crown a new world champion when Ian Nepomniachtchi and Ding Liren begin their battle on Sunday.
The source also said Khadem's relatives and parents, who are in Iran, had also received threats, without giving further details.
'There's something called deterrence by punishment.' 'That means you hit in a manner calculated to raise costs and consequences for Pakistan, so that the next time it attempts a Pahalgam-like attack, it has to think ten times.'
World No. 1 Magnus Carlsen secured a remarkable double victory at the Tata Steel Chess India tournament, winning both the rapid and blitz titles.
China would have been among the top medal contenders in the Olympiad and their absence would brighten India's chances.
Anand firmly believes that India has enough talent to produce the next Chess World Champion
R Praggnanandhaa missed out twice on cashing in on winning positions, ending up at the bottom of the table
'I was faced with a choice: quit my job or move to where I am valued.'
Grandmaster R Praggnanandhaa scored his second victory on the trot, outwitting Vincent Keymer of Germany to join compatriot Aravindh Chithambaram at the top on three points after the end of the fourth round of the Prague Masters.
World champion D Gukesh played out a draw with Jorden van Foreest of Holland, while Grandmaster R Praggnanandhaa beat Alexey Sarana of Serbia as the two Indians shared the lead after a thrilling day at the Tata Steel Masters at Wijk Aan Zee (The Netherlands) on Saturday.
The second, fourth, fifth and sixth games had ended in draws.
It all started as an extra-curricular activity in school, which later became a life-long passion for D Gukesh and led to him becoming one of the best chess exponents in the world.
FIDE said it will do its utmost to find another organiser for the Olympiad and will provide more information in due time.
The announcement was made by Tamil Nadu chief minister M K Stalin on his Twitter page
Playing white in a Tarrasch variation, former World champion Anand settled for a draw in 40 moves, to win the match 2.5-1.5.
Arjun Erigaisi is in joint lead with 4.5 points from five rounds along with World No. 1 Magnus Carlsen and Vladimir Fedoseev after holding the Norwegian superstar in round five.
Praggnanandhaa turned things around in the all-Indian battle after his opponent blundered
'Compared to three or four years back, I have cut down on my time as an active chess player. I have long aspired to come into the chess administration and this opportunity as the deputy president will be a huge learning curve for me'.
In the blitz event played prior to the Classical, Anand had shocked world champion Carlsen in round seven on the way to a fourth-place finish.
India's chess ace Viswanathan Anand defeated world champion Magnus Carlsen in round seven of the blitz event of the Norway Chess on the way to a fourth-place finish.
Grandmaster Aravindh Chithambaram emerged champion in the 22nd Dubai Open chess tournament in Dubai on Sunday, with 7.5 points as seven Indians finished in the top 10 with R Praggnanandhaa sharing second spot with five others.
The second game of the Chess World Cup final between Rameshbabu Praggnanandhaa and Magnus Carlsen ended in a draw after 30 moves.
Viswanathan Anand drew his sixth round contest against Anish Giri of the Netherlands in the Classical section to slip to second place in the Norway Chess tournament in Stavanger.
Indian Grandmaster R Praggnanandhaa, ranked No. 8 in the world, will face American Sam Shankland in the sixth round of the Prague Masters.
Winning three and drawing the remaining six games, Firouzja remained undefeated throughout the event.
The 44th edition of the prestigious event will witness a record 188 teams in the Open section and 162 in the women's side.
The champion was ultimately decided in a series of sudden-death blitz games where the decisive outcome came in the fourth game.
Indian GM was impressive against a fancied and higher rated opponent
Five-time World champion Viswanathan Anand said the career spans of chess players are getting shortened because of the intense competition within the sport.
Indian GM S L Narayanan finishes second in chess tourney in Armenia
Grandmaster R Praggnanandhaa played out a second straight draw against Turkey's Gurel Ediz while Aravindh Chithambaram crashed through the defences of Germany's Vincent Keymer in the second round of the Prague Masters on Friday.
Former World champion Viswanathan Anand defeated Aryan Tari in the ninth and final round to finish third in the Norway Chess tournament, which was won by world number one Magnus Carlsen.
D Gukesh held reigning world champion Ding Liren of China to a draw in a highly anticipated contest
Harika Dronavalli, a seasoned player, fulfilled her lifelong dream of winning an Olympiad medal after two decades.
With the Indian teams doing well so far, they can run into one another in the competition.
The former World champion lost two games - one to Fabiano Caruana (USA) and the other to Richard Rapport (Hungary) while drawing with five others.
Australia's star batter Marnus Labuschagne can't wait to engage in a "lovely game of chess" with Ravichandran Ashwin during next month's Test tour of India after making required changes in his game to combat the ace spinner.
World Championship challenger D Gukesh on Sunday said he didn't think about his personal achievements and was prepared to do "whatever it takes" to secure India's maiden gold medal at the Chess Olympiad following near-misses in previous editions.
Defending champion Magnus Carlsen was disqualified from the World Rapid and Blitz Championship 2024 in Wall Street, New York, on Saturday for violating FIDE's dress code.