The Biel Chess Festival MTO is taking place from 17–27 July 2023 in Biel, Switzerland. Players receive 100 minutes for 40 moves, followed by 15 minutes to the end of the game, plus a 30-second increment starting from move one. It is a 10-round Swiss tournament with participation of Ngoc Truong Son Nguyen, Luis Ernesto Quesada Perez, Carlos Daniel Albornoz Cabrera, Chen Wang, Renjie Huang, Aryan Chopra, Xiangzhi Bu, Nikita Meshkovs, Daniil Yuffa, etc.