The Niterói Open is taking place from 4–10 September 2023 in Niterói, Brazil. 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 Alexandr Fier, Neuris Delgado Ramirez, Krikor Sevag Mekhitarian, Renato R. Quintiliano Pinto, Evandro Amorim Barbosa, Diego Rafael Di Berardino, Victor Shumyatsky, Yago De Moura Santiago, Armen Proudian, Licael Roderick Ticona Rocabado, etc.
Parallel : Ottakring Open / Greek Team Championship / Carballo Open 2023 / San Christobal de la Laguna
