Gukesh had another eventful game in a Queen pawn opening with black pieces.
R Praggnanandhaa scored a fluent victory over Frenchman Alireza Firouzja to claim the joint lead after the seventh round of the Sinquefield Cup.
D Gukesh put his opening-round blues behind him and scored an excellent victory over former world rapid champion Nodirbek Abdusattorov of Uzbekistan in the second round of the Sinquefield Cup.
Aronian sits on six points, followed closely by compatriot Fabiano Caruana on five after two wins and a draw. Gukesh shares the third place with another American, Wesley So, while Vachier-Lagrave and Leinier Dominguez Perez are tied for fifth with three points each.
Following the win, Anand thanked his wife, Aruna for pushing him to play the tournament despite the risk of missing her 50th birthday.
World Championship challenger Gukesh Dommaraju played out a hard-fought draw with Ian Nepomniachtchi of Russia.
Aravindh Chithamabaram took his tally to 3.5 points out of a possible four.
With this win Praggnanandhaa also added some more spice to the tale around the highest rated Indian as he again overtook Viswanathan Anand in live rating to clinch the top spot in the country.
Vidit Gujrathi also put an end to his losses by settling for a draw with Caruana.
India's R Vaishali crashed through the defenses of former World champion Mariya Muzychuk of Ukraine to move to 3.5 points after the fourth round of FIDE women's Grand Swiss, a part of the World Chess Championship cycle.
Indian Grandmaster Vidit Gujrathi crashed through the defences of world number three Hikaru Nakamura of United States, while R Praggnanandhaa went down to compatriot D Gukesh in the second round of Candidates chess tournament in Toronto.
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.
Magnus Carlsen of SG Alpine Warriors defeated Viswanathan Anand and launched his team to the top of the Tech Mahindra Global Chess League in Dubai on Wednesday.
Five-time world champion Viswanathan Anand of India defeated former world championship challenger Boris Gelfand of Israel in the fifth round to make a strong comeback in the 10th Tal Memorial chess championship, in Moscow on Sunday.
Despite the draw the Indian ace maintained his lead atop Group A in the Sparkassen chess tournament.
World champion Viswanathan Anand was held to a draw by Boris Gelfand of Israel in the fourth round of Tal Memorial chess tournament in Moscow.
Anand, as white, had simply an extra pawn and this is where the tenacity of Carlsen came to fore.
Playing his second white in the event, Anand tried the Rossolimo variation to counter Carlsen's Sicilian defense, an opening that the Norwegian chose second time against Anand in the current year.
World rapid champion Viswanathan Anand continued his fine run in the faster version of the game and annexed the Tal Memorial rapid chess title in Moscow after an easy final round draw against Boris Gelfand of Israel.
Indian Grandmaster Dronavalli Harika staged a great comeback in the FIDE World Women's Chess Championship in Tehran, winning the second game against Tan Zhongyi of China to take the semi-final into a tie-breaker.
Viswanathan Anand played out a draw with in-form Ian Nepomniachtchi of Russia and remained in the joint third spot in the 10th edition of Tal memorial chess tournament in Moscow.