Indian Grandmaster Arjun Erigaisi defeated reigning champion Magnus Carlsen at the World Blitz Championship, marking a significant upset. Erigaisi won with the black pieces after Carlsen lost on time due to mounting pressure. This victory contributed to Erigaisi's strong performance, placing him in contention for the lead. Carlsen's frustration was evident after the loss, which was not his first defeat against Erigaisi this year.