Magnus Carlsen lost to Arjun Erigaisi in the sixth round of the FIDE World Rapid and Blitz Team Championship 2026.
The Norwegian chess player was beaten by the Indian in a wild Queen's Gambit Declined game.
What happened?
Arjun Erigaisi played for MGD1 against WR Chess, led by Magnus Carlsen, on the second day of the championship.
The Indian chess player won with a direct queen b6 check, taking advantage of Carlsen's uncharacteristic rook blunder.
Arjun Erigaisi admitted he initially thought he had missed something when Carlsen launched the aggressive bishop takes e6 sacrifice.
Why it matters for Magnus Carlsen
The loss is a significant blow to Magnus Carlsen, the five-time World Champion, who was defeated by R. Praggnanandhaa twice at Norway Chess 2026.
The FIDE World Rapid and Blitz Team Championship 2026 is being held from June 17 to 21 in Hong Kong, with nearly 50 teams competing.
What comes next?
MGD1 defeated WR Chess 3.5-2.5, with Aryan Abhijeet Shah's victory over Wadim Rosenstein and Arjun's win over Magnus Carlsen.
The Rapid event is a 12-round Swiss with a time control of 15 minutes for all moves, plus a 10-second increment per move.
Arjun Erigaisi's win helped MGD1, the defending Rapid team champions, stay in contention for the title.
The Indian chess player's victory over Magnus Carlsen is a major upset, given the Norwegian's reputation as one of the greatest chess players of all time.
Magnus Carlsen resigned on the 30th move, after Arjun Erigaisi sacked back his rook and took advantage of the Norwegian's blunder.
The FIDE World Rapid and Blitz Team Championship 2026 continues, with the top teams competing for the title.
Arjun Erigaisi's win over Magnus Carlsen is a significant moment in the championship, and a testament to the Indian chess player's skill and strategy.