For customers of HCE Pro, Fritz and ChessBase products we recommend the HIARCS Tournament Chess Opening Book in CTG, HCS formats. HIARCS Chess Software HIARCS Tournament Book CTG Downloads: 1 Year
The 15q update includes the following formats and specifications: CTG Format chess hiarcs 15q openings book includes ctg and repack
The magic happens when you pair the with a modern engine. Here is the ultimate workflow: For customers of HCE Pro, Fritz and ChessBase