HIARCS's opening books are considered among the strongest and most sought-after in the market, used by top correspondence players and world championship contenders. When you see "Hiarcs 15q openings book includes ctg," it typically refers to the or the HIARCS 15s Engine book , both available in the CTG format. These books are not static; they are regularly updated quarterly with the latest grandmaster and correspondence games, making them more up-to-date than many annual competitors.
The Opening Book is a high-performance chess resource released in September 2024 . It is designed for serious players and engine enthusiasts who require the latest theoretical updates and refined move recommendations. Key Technical Specifications Release Date: September 2024. Total Positions: 32,028,077. Variations: 1,875,832. chess hiarcs 15q openings book includes ctg and repack
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