[3] He qualified to play in the Chess World Cup 2021,[4] where he was defeated 1.5-0.5 by Evgeny Bareev in the first round.
[5] He won the AQ Prime ASEAN Chess Championship in February 2023, earning him a GM norm.
[6] in June 2023, he earned his third norm after he went unbeaten at the ASEAN+ Age Group Chess Championships in Bangkok, Thailand.
[7] On March 31, 2024, Quizon defeated Nguyễn Anh Dũng and win the Hanoi Grandmaster Chess Tournament claiming his third and final GM norm in Vietnam.
[8] Quizon earned his final grandmaster norm on September 14, 2024, after defeating GM Igor Efimov in the 45th Chess Olympiad.