The Biel Chess Festival ATO is taking place from 17–26 July 2023 in Biel, Switzerland. Players receive 90 minutes for the entire game, plus a 30-second increment starting from move one. It is a 9-round Swiss tournament with participation of Athanasios Zafeiridis, Nicola Schmid, Hans-Juergen Weyer, Dmitrii Titov, Daniel Baotic, Lothar Cordes, etc.
Chessdom.com will daily follow the live games.