17-year-old Gukesh D makes chess history

Featured is the key game 17-year-old Gukesh D won which propelled him as the sole leader in the 2024 FIDE Candidates. His victory in the penultimate round against Alireza Firouzja gave him a narrow half point lead over Nakamura, Caruana & Nepomniachtchi. Gukesh D, India's #1 ranked chess player, would maintain that lead after the 14th and final round was complete. Gukesh finished with 9 points, and made history by becoming the youngest challenger ever for a world chess championship title. Gukesh D will soon challenge World Chess Champion Ding Liren.

Gukesh D vs Alireza Firouzja, 2024 FIDE Candidates

Below the video I have highlighted 3 positions
https://youtu.be/07WofMAUk8E

Question 1 of 3: What is an issue with creating a flight square at this moment with 12. h3?

Question 2 of 3: Why is 23. Bxa4 a blunder?

Question 3 of 3: What is white's only saving reply to 53. e2?

Closing words

Feel free to leave any questions or comments on YouTube or in the forum below. I want to express my gratitude to everyone who values my work, whether it's more formally through Patreon or simply by viewing my content on any of my social media platforms. Your support means a lot to me. Special thanks to Lichess for providing an excellent space for me to share my passion for chess.
-Jerry