The Japan Chess Championship 2023 will take place from 3-7 May 2023 in Tokyo, Japan. The time control is 90 minutes for the whole game with a 30-second increment from move one. It is 9-round Swiss system tournament with participation of Tu Tran Thanh, Mirai Aoshima, Ryosuke Nanjo, Shinya Kojima, Kohei Yamada, Atsuhiko Kobayashi, Alex Averbukh, Tomohiko Matsuo, Shou Otsuka, etc.