This debut book is based on the games of the International Corresponding Chess Federation (ICCF).
All games are played by players with a minimum of 2400 ELOs and at least 25 moves per color.
Years included: 2016-2017-2018-2019-2020
The book's proposed settings are inside a compressed folder.
Not recommended for bullet / blitz games.
Thanks a lot janus for the databasehttps://pixeldrain.com/u/kP36WJAX