Chess Opening Book Subscription
|Latest HIARCS tournament chess opening book in CTG, HBG and HCS formats with online access for HIARCS Chess Explorer customers.|
|Quarterly updates usually in July, October, January and April - you will be sent an email with details of each update.|
|Direct access to human reference if you already have HIARCS Chess Explorer|
|Up to date with the latest chess opening theory|
|Average improvement of 80 Elo per year|
|Upon purchase you will receive a link and login details for downloading the latest HIARCS opening book and many previous opening books!|
|Subscription lasts 1 year and is renewable|
|Emailed delivery and discounted renewal|
The HIARCS tournament book is unbeaten in all book matches against other commercial books. It is the standard by which any other chess opening book should be measured.
Click here to order
the 1 Year HIARCS Chess Opening Book Subscription
Price*: £41.60 / €49.95 / $54.95 *VAT may be applicable for European Union residents.
Unrivalled track record of delivery and improvements:
|Book release date and name||Positions||Variations||Statistics from Top Quality Games|
|May 2010: Hiarcs13aBook||2,414,780||325,712||545,826|
|June 2010: Hiarcs13bBook||2,479,533||335,923||583,896|
|September 2010: Hiarcs13cBook||2,581,613||351,951||719,857|
|December 2010: Hiarcs13dBook||2,925,726||382,899||678,641|
|March 2011: Hiarcs13eBook||3,454,030||442,650||1,077,116|
|June 2011: Hiarcs13fBook||3,879,189||527,673||1,363,537|
|September 2011: Hiarcs13gBook||4,163,027||497,190||1,602,737|
|December 2011: Hiarcs13hBook||5,185,413||633,515||2,083,695|
|March 2012: Hiarcs13iBook||5,302,731||647,305||1,770,327|
|June 2012: Hiarcs13jBook||6,304,018||688,358||1,871,251|
|September 2012: Hiarcs14cBook||7,359,979||788,566||1,982,128|
|December 2012: Hiarcs14dBook||7,558,429||811,574||2,090,700|
|March 2013: Hiarcs14eBook||8,247,074||833,897||2,038,316|
|June 2013: Hiarcs14fBook||8,604,093||858,231||1,793,542|
|September 2013: Hiarcs14gBook||9,756,350||972,482||1,889,958|
|December 2013: Hiarcs14hBook||10,211,291||1,015,501||2,015,268|
|March 2014: Hiarcs14iBook||10,897,668||1,068,174||1,803,109|
|June 2014: Hiarcs14jBook||11,161,032||1,092,176||1,930,879|
|September 2014: Hiarcs14kBook||12,024,410||1,157,157||2,100,345|
|December 2014: Hiarcs14lBook||12,681,453||1,202,363||2,189,453|
|March 2015: Hiarcs14mBook||12,930,890||1,222,011||2,262,009|
|June 2015: Hiarcs14nBook||13,047,908||1,230,973||2,284,528|
|September 2015: Hiarcs14oBook||14,254,799||834,277||1,071,330|
|December 2015: Hiarcs14pBook||16,933,739||973,051||1,254,482|
|March 2016: Hiarcs14qBook||17,285,794||1,200,871||2,511,474|
|June 2016: Hiarcs14rBook||17,663,676||1,153,239||2,754,556|
|September 2016: Hiarcs14sBook||18,156,517||1,511,490||4,362,240|
|December 2016: Hiarcs14tBook||19,788,161||1,632,989||4,573,427|
|February 2017: Hiarcs14uBook||19,788,161||1,632,989||4,573,427|
|April 2017: Hiarcs14vBook||19,598,165||1,597,806||4,438,337|
|July 2017: Hiarcs14wBook||20,116,561||1,742,212||5,137,292|
|October 2017: Hiarcs14xBook||17,721,580||1,473,019||4,713,302|
|January 2018: Hiarcs14yBook||16,524,864||1.329.892||3,995,015|
|April 2018: Hiarcs14zBook||16,877,162||1.567,454||3,885,104|
|July 2018: Hiarcs14zaBook||19,067,269||1,457,537||4,132,399|
|October 2018: Hiarcs14zbBook||19,195,301||1,533,133||4,105,104|
|January 2019: Hiarcs14zcBook||20,944,106||1,711,469||4,553,033|
|April 2019: Hiarcs14zdBook||21,929,403||1,767,391||4,788,010|
"I subscribe to your Powerbook now
and I'm pretty impressed by it, I use it all the time in my chess teaching.
As far as I know it is the best publicly available book."
Larry Kaufman, Grandmaster and World Senior Chess Champion.
"I have tried the book in several configurations. Means in autoplayer, games at home, at FICS chess server and at playchess. I am very impressed. My feedback: This book is a masterpiece ! Congratulations" - Clemens
"I agree. Clearly a lot of work has been put into
this book to provide strength in depth so the openings hold up in different time
¹ Computer chess opening books contain positions, moves, statistics and play
recommendations, they do not include games and textual comments. The HIARCS opening books are prepared and managed by Mark
Uniacke. Assistance is provided by Senior International Master Harvey Williamson
and Computer Chess Expert Eric Hallsworth. Further input is provided by a number
of top chess players and subscribers to the book. Thank you - your help enables a
larger, stronger and better opening books. THANK YOU!
Excellent value for money in its own right but with a quarterly update ... just superb." - PeterG
¹ Computer chess opening books contain positions, moves, statistics and play recommendations, they do not include games and textual comments.
The HIARCS opening books are prepared and managed by Mark Uniacke.
Assistance is provided by Senior International Master Harvey Williamson and Computer Chess Expert Eric Hallsworth. Further input is provided by a number of top chess players and subscribers to the book. Thank you - your help enables a larger, stronger and better opening books.
"generally I use
HIARCS." - Five time World Chess Champion
Vishy Anand, in a recent interview when asked what chess program he uses to