The game incidentally was an old Sicilian where Shirov tried an unconventional ninth move.
Anand has been trying to play very complicated positions and the sixth round was no different.
It was on move 21 that Giri thought he was out of trouble and proposed a draw.
The day produced four decisive games and it was again the youngsters who provided most of the entertainment.
India 'B' blanked Estonia 4-0 in the second round of the Open section in the 44th Chess Olympiad in Mamallapuram, Chennai, on Saturday while the second-seeded India 'A' team defeated Moldova 3.5-0.5 to make it two wins from as many matches.
Anand, as white, had simply an extra pawn and this is where the tenacity of Carlsen came to fore.
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.
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.
Indian Grandmasters Sandipan Chanda and Surya Shekhar Ganguly kept themselves in contention for top honours after drawing with Etienne Bacrot of France and Yuri Kryvoruchko of Ukraine respectively in the seventh round of Fujairah International chess tournament, in Fujaira, UAE, on Tuesday. The Indian duo remained in joint-lead on five points along with the Ukrainian trio of Sergey Fedorchuk, Andrey Sumets and Alexander Moiseenko, Liem Le Quang of Vietnam and Bacrot.
Grandmaster Surya Shekhar Ganguly kept himself in contention, drawing with Sergey Fedorchuk of Ukraine in the fifth round of Fujairah International Open chess tournament in Fujairah.
Grandmaster Surya Shekhar Ganguly outwitted higher-rated compatriot Abhijeet Gupta to maintain a clean slate after the end of the second round in the Fujairah International Chess tournament, in Fujairah (UAE), on Thursday.
Grandmasters Surya Shekhar Ganguly and Sandipan Chanda settled for a quick draw and shared first place along with Alexander Moiseenko of Ukraine in the Fujairah International open chess tournament that concluded in Fujaira, UAE, on Wednesday.
Grandmaster Surya Shekhar Ganguly continued with his demolishing form and defeated Yaroslav Zherebukh of Ukraine to jump into sole lead after the end of the third round of the Fujairah International Open Chess tournament in Fujaira, UAE, on Friday.
Sankalp Gupta becomes India's 71st GM.
Top seeded Grandmaster K Sasikiran warded off some initial resistance from Australian Vladimir Feldman to open with a comfortable win in the 13th Dubai International Open Chess Tournament in Dubai.
Indian men managed to beat a spirited Egypt in the eighth round to help themselves from occupying the bottom place in the World Team Chess Championships in Ningbo, China.
Grandmaster S Arun Prasad provided the crucial full point as India edged out Greece to emerge joint leader after the opening round of the World Team Chess Championship in Bursa, Turkey.
Indian challenge in the World Chess Cup ended abruptly after three of their Grandmasters wilted under pressure and lost their must-win games in Khanty Mansiysk (Russia).
Indian ace Viswanathan Anand named former World champion Rustam Kasimdzhanov as one of his seconds for the high-profile World Championship match against Russian Grandmaster Vladimir Kramnik, which gets underway in Bonn, Germany, on Tuesday. Apart from Kasimdzhanov, Anand will also utilize the services of his trusted partner Peter Heine Nielsen of Denmark, Radoslav Wojtaszek of Poland and Indian national champion Surya Shekhar Ganguly.
Led by Krishnan Sasikiran on the top board, India defeated formidable Azerbaijan 2.5-1.5 in the third round of the World Team Chess Championship to emerge as joint leader in the elite event in Bursa, Turkey on Friday.
Teen Grandmaster Parimarjan Negi proved his extraordinary chess skills by winning the Philadelphia International Open tournament, beating illustrious names including GM Surya Shekhar Ganguly. Negi (2529 Elo points), the second youngest Grandmaster in chess history, finished a clear first with seven points out of a possible nine and took the winner's purse of US $2000 in a field of 39 players from five countries, including 14 Indians.
Dronavalli Harika and S Vijayalakshmi also tasted success, beating Grandmaster Tigran Petrosian and GM Denis Khismatullin respectively in the Aeroflot International Chess tournament.
The Indian men's hopes of a podium finish went up in smoke after they lost 0.5-3.5 to United States of America while the women's team held France 2-2 in the ninth round of the 32nd Chess Olympiad now in progress in Dresden.
The men's team beat Austria to move to joint-seventh place, while the women lost to Hungary and slumped to 14th place after the fifth round in the 32nd Chess Olympiad, in Dresden, Germany.
The national champion registered a second straight victory over United States champion Hikaru Nakamura to advance at the World Chess Cup.
Rameshbabu Praggnanandhaa is just 13 years old but the boy is already going places and this was his second win against a 2700 Grandmaster.
The Indian GM went down to Kazakh GM Darmen Sadvakasov in the fifth round of the Aeroflot Chess tournament.
The Indian randmaster beat the former Russian champion in the second round of the Aeroflot International chess tournament.
The Grandmaster defeated Dinesh Kumar Sharma in the 8th round of the National 'A' chess championship.
The victory helped the national champion join overnight leaders Deepan and Pavel.
The Indian chess team totalled nine points, to finish behind China (11) and ahead of Vietnam (8), in the team event at the second Asian Indoor Games in Macau.
Surya Shekhar Ganguly and Swati Ghate were crowned winners at the National 'A' chess championship
The Grandmaster suffered a shocking defeat in the 2nd round of 43rd National 'A' chess championship.
He settled for a quick draw with Pavel Kotsur in the final round of the chess tournament.
Top seeded Shakhriyaz Mamedyarov strengthened his position at the top in the World Jr. chess, maintaining a ghalf point lead.
Grandmaster Krishnan Sasikiran beat GM Konstantin Landa in the fifth round and moved to second place in the Aeroflot Open.
The Indian scored a sensational victory over Grandmaster Zurab Sturua of Georgia in the fifth round of the Dubai International Chess Championship.
Ganguly holds Zvjaginsev to a draw\nKrishnan Sasikiran opened his account with a draw against GM Oleg Romanishin of Ukraine in the third round of the Aeroflot International open chess tournament.
Playing black, Ponomariov beat Loek Van Wely, while, with white, Grischuk got the better of American Gata Kamsky at the World Chess Cup.