All the players will be based in Chennai from where all the matches will be played.
The experienced P Harikrishna, who beat Constantin Lupulescu (Romania) 1.5-0.5 on Monday, will face Iran's M Amin Tabatabaei in the fourth round on Thursday.
Chess World Cup: Indians Vidit Gujrathi, P Harikrishna, R Praggnanandhaa win in first game of fourth round
The Gujrathi-Adhiban game was expected to be an interesting one and it lived up to the expectations before the former snatched victory in 43 moves.
Chess World Cup: Vidit Gujrathi through to third round with tie-break win, D Gukesh, Padmini Rout eliminated
However, the other Indian players involved in the tie-break — D Gukesh and Padmini Rout — bowed out of the tournament.
Chennai lad Praggnanandha got the better of the experienced Gabriel Sargissian (Armenia) and Adhiban posted a crushing win over Neuris Delgado Ramirez in just 22 moves in the men's event.
Also advancing were GM Aravindh Chithambaram VR, a 2-0 winner over Michael Concio Jr and the experienced B Adhiban who beat Chilesto Chipanga of Malawi.
Airthings Masters Chess Championship: P Harikrishna bows out after finishing ninth in preliminary phase
P Harikrishna, who registered 10 draws and one loss, ended the tournament with five points. The top eight advanced to the knock-out stage.
Airthings Masters Chess Championship: P Harikrishna slips to 10th spot after one loss, three draws on day 2
The India number two now has 3.5 points and has three more games to attempt to finish in the top eight and qualify for the knockout phase.
Airthings Masters Chess Championship: Indian Grandmaster P Harikrishna holds Magnus Carlsen in fourth round
The game between P Harikrishna and Magnus Carlsen ended in 24 moves after the players repeated the moves.
Magnus Carlsen, Wesley So emerge joint winners in Saint Louis Rapid and Blitz; P Harikrishna finishes seventh
Harikrishna's solitary win on the final day of the tournament came against American Jeffrey Xiong, the lowest rated player in the field, as he suffered four losses to go with three draws. He was tied for seventh place with Xiong.
India's P Harikrishna maintains fifth place; Wesley So in top spot at Saint Louis Rapid and Blitz online chess tournament
The win allowed So to take the lead after nine rounds of the Rapid competition with two days of Blitz events to come. Carlsen crashed to a 46-move defeat at the hands of Russian Alexander Grischuk.
P Harikrishna slips to fifth spot after two defeats; Magnus Carlsen leads in Saint Louis Rapid and Blitz online chess tournament
Harikrishna, who shared the lead with Lev Aronian after three rounds, lost the fourth round of the Rapid event to Nepomniachtchi, then drew with Armenian Aronian before losing the sixth to Carlsen.
P Harikrishna will face Ian Nepomniachtchi in the fourth round, followed by games against Levon Aronian and Magnus Carlsen late on Wednesday.
The internet that made it possible for Chess to carry on in these unprecedented times, injected a new life in the sport during the lockdown and even ushered in a trusted fan base almost proved to be the Indian team’s undoing on Sunday.
Biel International Chess Festival: Indian Grandmaster P Harikrishna beats tournament leader Radoslaw Wojtaszek
Harikrishna, playing with black pieces, put it across the Polish player in a 50-move game to reduce the lead to three points with two rounds to go.
In the final round encounter against Russia, India's Vidit Gujrathi was beaten by Vladislav Artemiev, while B Adhiban was tamed by Dmitry Andreikin.
Anand beat Teimour Radjabov in 37 moves. The Indian had posted his maiden win in the tournament on Thursday by thrashing Russian Ian Nepomniachtchi in just 17 moves
Online Nations Cup: Chess wizard Viswanathan Anand registers first win but Russia hold India to a 2-2 draw
Former world champion Viswanathan Anand registered his first win but India were held to a 2-2 draw by Russia in the ongoing Online Nations Cup on Thursday.
The field for the event includes six former world champions, plus 12 others who have been candidates to the throne at some point
Coronavirus Outbreak: Online chess exhibition featuring Viswanathan Anand raises Rs 4.5 lakh for PM-CARES Fund
India no 1 Anand, no 2 Vidit Gujrathi, P Harikrishna and B Adhiban and the country's top two women players — Koneru Humpy and D Harika — took part in the event organised by chess.com on Sunday