The fourth round defeat saw the Indian Grandmaster surrender joint-lead in the Montreal International Chess tournament.
Indian GM Krishnan Sasikiran slipped to joint second after drawing with GM Artashes Minasian of Armenia in the seventh round of the Dubai International Chess Championship.
The Indian Grandmaster moved to joint-fourth after the fourth round in the Aerosvit International Chess tournament.
The victory and a full point took Gukesh to 3.5 points and gave him a clear lead in the eight-man field.
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.
D Gukesh put it across Serbia's Alexandr Predke in the fourth round for his first win in the Chennai Grand Masters chess
Erigaisi posts 1st win in Chennai GM chess championship
Local star D Gukesh and Arjun Erigaisi played out a draw in the second round of the Chennai Grand Masters Chess Championship 2023 in Chennai on Saturday.
Rameshbabu Praggnanandhaa is just 13 years old but the boy is already going places and this was his second win against a 2700 Grandmaster.
Indian Grandmaster D Gukesh won the Chennai Grand Masters Chess Championship title in Chennai on Thursday, edging out compatriot Arjun Erigaisi on the tie-break after they finished equal on points.
Indian GM Praggnanandhaa wins Super GM chess tourney in Hungary
Draws ruled the roost in the 8th round as players were only willing to consolidate their position in the Dubai International Chess Championship.
World junior chess champion GM Shakhriyaz Mamedyarov of Azerbaijan clinched the Dubai Cup.
The victory put the Indian Grandmaster back in joint-lead in the Montreal chess tournament.
World Champion Viswanathan Anand played out a quick draw, while Parimarjan Negi scored his first victory in the third round of the Corus Grandmasters chess tournament in Wijk Aan Zee.
The draw kept the Indian Grandmaster in joint-fifth position after the third round in the Aerosvit International Chess tournament.
Anand played the Italian game with white pieces but could get little out of opening against Vituigov.
The Indian men succumbed to their first defeat going down 1.5-2.5 to slip to joint sixth spot after the seventh round of the 36th Chess Olympiad.
Fabiano Caruana of United States made sure of his maiden title after beating Jan-Krzysztof Duda of Poland.
Alireza Firouzja remained in joint lead with Caruana on 5.5 points and these two are now ahead of Wesley So of United States and Jorden Van Foreest of Holland.
Anand has been trying to play very complicated positions and the sixth round was no different.
The day produced four decisive games and it was again the youngsters who provided most of the entertainment.
Anand, as white, had simply an extra pawn and this is where the tenacity of Carlsen came to fore.
Former World champion Viswanathan Anand ended the World Rapid Championship on a positive note, scoring four points out of five games on the final day, but the Indian ace could only finish 25th in the final standings.
Indian Grandmaster S P Sethuraman crashed out of the World Cup of chess after a draw with Azerbaijani superstar Shakhriyar Mamedyarov in the second game of the third round in Baku.
Grandmaster and former Asian champion S P Sethuraman has knocked out former FIDE champion Ruslan Ponomariov of Ukraine in a big first round upset at the Chess World Cup in Tbilisi, Georgia.
Indian Grandmaster S P Sethuraman went down to higher ranked Shakhriayar Mamedyarov of Azerbaijan in the first game of the third round of World Cup of Chess now underway in Baku.
Five-time World champion Viswanathan Anand gave a fine endgame lesson to young Alireza Firouzja, jumping to joint sixth position at the end of 11th round of Tata Steel Masters, in Wijk Aan Zee, The Netherlands, on Saturday. With his second victory, Anand clawed his way back to a fifty percent score and will now hope to end the tournament on a high. At just 16 years, Firouzja is less than one third of Anand's age, and the Indian ace showed that the Iranian still has a lot to learn.
It was on move 21 that Giri thought he was out of trouble and proposed a draw.
Both Anand and Sethuraman inched themselves up to five points out of a possible seven and shared the joint eighth spot after a rather dull day that witnessed several draws on the top tables.
Anand moved to joint sixth spot with 2.5 points on a day that saw Firouzja Alireza scoring a sensational victory over super-solid Anish Giri of Holland.
Carlsen had previously indicated he would not consider the record truly broken until after two more games as he was not prepared to count two wins he had in the Norwegian league.
Grandmaster and former national champion B Adhiban was knocked out of the chess World Cup after losing his second game on the trot against higher-ranked Hikaru Nakamura of United States in the third round in Tromso, Norway.
Grandmaster B Adhiban finished tied third at the Chess.com Isle of Man International tournament after beating the highly-regarded Michael Adams of England in the ninth and final round, in Isle of Man (UK) on Monday.