Answer : 1. "Dommaraju Gukesh"
Explanation :

Dommaraju Gukesh won the title of Chennai Grand Masters 2023. Arjun Erigaisi secured second place in this tournament. Both Arjun and Gukesh scored 4.5 out of 7 in the competition. Gukesh won this tournament on tie-break. Before this, R. Praggnanandhaa had qualified for the Candidates by finishing second in the FIDE World Cup 2023 held in Baku, Azerbaijan this year.