Chess Hiarcs 15q Openings Book Includes: Ctg And...

The HIARCS 15 series Opening Books (such as version 15q) provide a massive repository of chess theory, including over 33 million positions and nearly 2 million variations. Designed for both elite human preparation and high-level engine play, these books are available in several industry-standard formats:

The HIARCS 15q Opening Book is a premier resource for serious chess players, offering a massive collection of curated opening data that includes CTG, HBG, and HCS formats. Designed to serve both human players and computer engines, this edition provides a bridge between traditional grandmaster theory and the cutting-edge move choices of top-tier engines. Key Features of the HIARCS 15q Opening Book Chess Hiarcs 15q Openings Book Includes Ctg And...

By including the CTG book, Hiarcs 15q transforms from a pure analysis tool into a complete opening trainer. The HIARCS 15 series Opening Books (such as

For the Engine Operator:

Open Fritz or ChessBase 17.
Go to Openings Book > Manage Books.
Click Install New Book and navigate to the Hiarcs15q.ctg file.
In the Engine room, select the Hiarcs 15q engine and set "Book Usage" to "Hiarcs 15q CTG."
Set the "Variation" slider to 60% (for human play) or 20% (for engine vs. engine).