: A community where users share legacy and modern opening books like the "Perfect" series. How to Use CTG Books

: Win rates and draw percentages for every move.

: Engines like Houdini 5 Pro often come with dedicated CTG books that you can find on chess forums.

: Strategic information compiled from millions of grandmaster games. Popular Opening Books to Download

: Often hosts direct downloads for CTG books used by top engines.

You can find these specialized files on several dedicated chess portals and databases: