Indian Grandmaster Arjun Erigaisi stunned Magnus Carlsen on the first day of the World Blitz Championships in Doha, emerging as a joint leader. Erigaisi defeated Carlsen in a tense endgame where Carlsen's clock ran out after his queen slipped. Erigaisi, tied with Maxime Vachier-Lagrave and Fabiano Caruana, remained composed amidst Carlsen's visible frustration. Other players like Jorden van Foreest also featured prominently in the early stages of the tournament.