Indian Grandmaster D Gukesh draws with defending champion Ding Liren in second game of World Chess Championship in Singapore.
Caruana kept his slender half point lead going in to the final round in the 10-player round-robin tournament, a part of the Grand Chess tour.
Grandmaster R Pragnanandhaa held tournament leader and defending champion Anish Giri of Holland to a draw on the day.
If Gukesh prevails in the end, he would break the current record set by the legendary Garry Kasparov, who became world champion at the age of 22 in 1985.
The triumph entitles Gukesh a clash against reigning world champion Ding Liren of China in the last quarter of the year.
First-time challenger D. Gukesh on Tuesday insisted he is not weighed down by the favourite's tag heading into the World Championship clash against China's Ding Liren, having enjoyed a purple patch after overcoming a rough phase.
Hungary will officially host the 45th edition of the Olympiad for the first time, having hosted the second unofficial Chess Olympiad in 1926.
With seven rounds still to come in the first super tournament of the year, Anish Guru maintained his sole lead on 4.5 points out of a possible six and he is now trailed by Iranian turned Frenchman Firouza Alireza who is on 4 points.
India's Arjun Erigaisi defeated top-seed Parham Maghsoodloo of Iran with black pieces in the sixth round of the Chennai Grandmasters Chess Championship in Chennai on Wednesday to move into joint second spot in the standings.
Defending champion and Grandmaster R Vaishali jumped into sole lead in the women's section
World number one Magnus Carlsen says he is struggling to enjoy chess after suffering a second consecutive defeat to reigning World champion D Gukesh.
Grandmaster Arjun Erigaisi will take on an in-form Levon Aronian of Armenia, while P Harikrishna will have to tackle giant-killer Jose Eduardo Martinez Alacantara of Mexico in the pre-quarterfinals of the World Cup in Panaji, Goa.
Winning three and drawing the remaining six games, Firouzja remained undefeated throughout the event.
With all games ending in draws, the lead positions remained unchanged and Gukesh continued to be at the top of the tables along with Fabiano Caruana of United States who drew a keenly contested game against Nodirbek Abdusattorov of Uzbekistan.
Gukesh never got a chance against Mamedov who is known as a theoretician.
R Praggnanandhaa was held to a draw by the world's youngest-ever Grandmaster Abhimanyu Mishra of the United States.
Uzbekistan's GM Javokhir Sindarov set up a title clash against Chinese GM Wei Yi in the FIDE World Cup in Panaji on Sunday as the two players also confirmed their spots in the Candidates tournament.
Erigaisi posts 1st win in Chennai GM chess championship
Grandmaster D Gukesh endured a heartbreak in the final tie-breaker against Wei Yi of China and had to be content with a joint second place finish at the Tata Steel Masters chess tournament in Wijk Aan Zee, The Netherlands.
D Gukesh started off on a positive note, beating Deac Bogdan-Daniel of Romania
The sixth game of the World Chess Championship between India's D Gukesh and China's Ding Liren ended in a draw.
Neither current World Champion D Gukesh nor former world champion Vishy Anand are the top rated Indian chess player.
With Georgia likely to post a victory against overnight leader Kazakhstan, it seemed that the Indian eves were likely to regain the top position and become the firm favourites for the gold medal again.
Indian Grandmaster Vidit Gujrathi bowed out of the World Chess Cup after a 2.5-3.5 loss to Sam Shankland of United States in the second set of tie-break games of third round, in Panjim on Sunday.
The victory and a full point took Gukesh to 3.5 points and gave him a clear lead in the eight-man field.
India hosts the event from a position of unprecedented strength with a string of titles under its belt.
Humpy settles for bronze after coming close to World Rapid title; Erigaisi finishes third
Esipenko becomes third Candidates qualifier; World Cup final to be decided in tiebreak
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.
Gukesh's journey wasn't easy as his family dug into their savings and also turned to crowd-funding to fuel his dream.
Gukesh Dommaraju played black but managed to hold on for a gutsy draw to split points in the Prague Masters Chess tournament.
Sitting at tied fourth, Grandmasters R Praggnanandhaa and D Gukesh will have some catching up to do if they want to finish on the podium with four rounds remaining in the ongoing Prague Masters Chess tournament in Prague.
Former women's World champion Susan Polgar believes Indian chess is riding a wave of success and predicted a bright future for the sport in the country.
D Gukesh put it across Serbia's Alexandr Predke in the fourth round for his first win in the Chennai Grand Masters chess
With just 16 players out of 206 participants that started the event remaining in the fray, most of the players decided against taking undue risk and decided to wait for the next game.
At 12 years, seven months and 17 days, Dommaraju Gukesh is the second youngest Grandmaster of all time.
Gukesh to clash with Alireza on what promises to be a photo finish
Grandmaster D Gukesh threw one salvo after another to beat world No. 1 Magnus Carlsen of Norway, Levon Aronian of Armenia and eventually reigning world champion Ding Liren of China on the first day of the Weissenhaus Chess Challenge that got underway in Wangels (Germany).
Seventh-round loss gave me energy, motivation to aim for title: Gukesh
'He was like a sponge. He soaked up everything we taught him -- and when it came time to play, he'd squeeze out exactly what was needed on the board during tournaments.'