Vaishali stretched her lead to 2.5 points following her second win under classical time control.
Norway's Magnus Carlsen continues to be the undisputed world No.1 with 2832.5 points, followed by United States' Grandmaster Hikaru Nakamura (2802) and country-mate Fabiano Caruana (2798).
Gukesh to clash with Alireza on what promises to be a photo finish
Victory eluded Viswanathan Anand yet again and the World Champion was held to a draw by Hikaru Nakamura of United States in the seventh round to remain joint second in the fourth Final Masters' second leg, in Bilbao, Spain.
Viswanathan Anand is the third Indian in the top 10, occupying the 10th spot with an ELO rating of 2750.
Indian Grandmaster Arjun Erigaisi opened his campaign with four victories and a solitary defeat in the World Rapid Chess Championship and was tied fifth, even as defending champion Magnus Carlsen endured a frustrating day, managing to log just one victory in New York.
Carlsen and Praggnanandhaa had drawn their previous three encounters in this format.
Rameshbabu Praggnanandhaa is still third on 9.5 points in the Norway Chess tournament.
Indian Grandmaster R Praggnanandhaa got off to a flier and defeated Firouzja Alireza of France in the Armageddon game in the first round of Norway Chess tournament in Stavanger on Tuesday.
Five-time world champion Viswanathan Anand, with a double black, suffered a surprising first round loss at the hands of Hikaru Nakamura of United States in the Sinquefield Cup, in St Louis, the United States.
Reigning world rapid champion Viswanathan Anand drew his sixth straight game of the tournament to stay undefeated and have a mid-table placing at number four with three points.
Vaishali defeated Muzychuk for the second time in the event in the Armageddon. It was a finely played Classical game wherein neither players could reach an advantage but in the Armageddon Vaishali took advantage of her better placed rooks to call the shots.
Arjun Erigaisi briefly reached a career-high live rating of 2771.2 earlier this week and is the only Indian since Vishwanathan Anand to do so.
Former world champion Viswanathan Anand played out an easy draw as black against American Hikaru Nakamura to remained in joint third position after the end of the fifth round of Norway Chess 2015, a part of the Grand Chess Tour.
The triumph entitles Gukesh a clash against reigning world champion Ding Liren of China in the last quarter of the year.
Indian Grandmaster R Praggnanandhaa scored a massive, hard-earned victory over world number two Fabiano Caruana of the United States and made his way to the top 10 of world rankings after the end of fifth round of the Norway Chess tournament in Stavanger.
'It is truly unfathomable how this kid would come from a country with no chess culture and not only become World Champion, but inspire generations of Indian kids to push chess forward. The legend, @vishy64theking!'
Chess great Magnus Carlsen beat nemesis Hans Niemann 17.5-12.5 to advance to the Speed Chess Championship final on Friday, in their first face-off since the world number one accused his American rival of cheating two years ago.
Arjun Erigaisi breathed a sigh of relief after receiving his US visa to compete in the upcoming World Rapid and Blitz Championships in New York
Erigaisi also requested External Affairs Minister S Jaishankar, Sports Minister Mansukh Mandaviya and the All India Chess Federation (AICF) to help him get the visa.
Rameshbabu Praggnanandhaa lost to World Champion Ding Liren in the Armageddon tie-breaker after the two played out a draw under normal time control in the second round.
Teenaged Indian Grandmaster D Gukesh shot into sole lead after defeating Firouzja Alireza of France in the 13th and penultimate round of Candidates' Chess tournament in Toronto on Saturday, his quest for the extraordinary placing him on the cusp of becoming the youngest ever World Championship contender.
Indian Grandmaster D Gukesh held on to the joint top spot with Russian Ian Nepomniachtchi after they played out an easy draw in the 10th round of the Candidates chess tournament in Toronto.
American Hans Niemann filed a $100 million defamation lawsuit against Carlsen and Chess.com in October 2022 after the allegations that he had cheated.
Vidit Gujrathi also put an end to his losses by settling for a draw with Caruana.
Anish Giri blundered a piece against Magnus Carlsen, losing in just 22 moves.
World no.1 Magnus Carlsen's fiery reaction after losing to D Gukesh in Norway Chess here was probably because he saw his authority in the game being challenged by someone so young
Two of the greatest football players of the 21st century, Lionel Messi and Cristiano Ronaldo broke the Internet by posting a picture as part of the promotional campaign for the FIFA World Cup, in which they were portrayed playing chess against each other.
Nakamura secured four wins and five draws to stay as the sole leader after nine rounds.
The Indian challenge in the women's section might already have ended as Zhongyi stood firmly ahead on five points while Goryachkina had 4.5 points in her kitty.
Five-time world champions Viswanathan Anand and Magnus Carlsen played out a draw in the top duel of the opening day as the second edition of the Global Chess League began with players from around the world squaring off in London on Thursday.
Magnus Carlsen feels he's still better than the young generation of chess players, but the Norwegian great is ruling out a comeback at the classical world championship.
He bagged the Menorca Open crown in April, finished second in TePe Sigeman Chess Tournament in May and also finished joint-fifth in the Sharjah Masters Open tournament.
'The Indian earthquake in Toronto is the culmination of the shifting tectonic plates in the chess world.'
Grandmaster R Praggnanandhaa and Vidit Gujrathi scored crushing victories, while D Gukesh held on to the joint top spot with a draw in a brilliant sixth-round outing for the Indian men's team at the Candidates Chess Tournament in Toronto.
Gukesh faced the in-vogue Italian opening as black against Caruana and the players battled it out in the main variation.
Another game to end through repetition of moves was between Gukesh and Gujrathi.
Teen sensation R Praggnanandhaa will enter as the favourite among the three Indian participants in the Candidates chess tournament that will get underway in Toronto from Wednesday to decide the challenger for the next world championship match.
Grandmaster D Gukesh will face his first major challenge since becoming world champion when he begins his campaign in the Tata Steel Chess tournament, which starts on Friday in Wijk Aan Zee, The Netherlands.
Grandmaster Arjun Erigaisi believes the government's recent decision to stop cash rewards for attaining GM and International Master titles is 'not ideal' for the parents of chess players.