Which of the following is/are TRUE regarding Karthikeyan Murali? 1. In a remarkable chess feat in October 2023, the 24-year-old Indian chess grandmaster, Karthikeyan Murali, delivered a stunning blow to the world's mumber one player, Magnus Carisen. 2. Karthikeyan's victory in the classical chess format at the ongoing Qatar Masters marked only the third instance where an Indian player emerged triumphant against Carlsen. 3. Karthikeyan's win occurred in the seventh round of the tournament, where he skillfully wielded the black pieces.