HIARCS Chess Software for PC Windows, Apple Mac and iPhone/iPad PC HIARCS 9.0
World Championship winning computer chess software program & downloads for chess database, analysis & play on PC, Mac and iPhone


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HIARCS 9.0 for PCs

A chess program which can do more than calculate!

The latest version 9.0 of the program has been enhanced and extended in many ways, particularly in terms of implementing concrete chess knowledge and positional learning. With the improved search function, it's now possible to assess positions using new positional criteria such as “typical pawn structures”, “long term plans” and above all “safety of the king”. A better selection of variations provides a greater search depth, enabling Hiarcs 9 to impress by its sharp powerful play against the enemy king as well as its better understanding of endgames, even with unbalanced material.

A special asset of Hiarcs 9 is the opening book, which has been finely adjusted to the playing style of the program. This is the work of computer chess expert Eric Hallsworth, who has been developing the Hiarcs opening books for many years. For Hiarcs 9, he has compiled an optimized and many-sided repertoire with a wealth of novelties.

Developer Mark Uniacke himself says about his new program: “A major improvement is the king attack enhancements. Hiarcs' play can now be really exciting. Also the learning and the positional understanding has been clearly improved. I suggest to you that the king attack enhancements (the play can be really exciting), learning, positional understanding (Hiarcs has a reputation as a positional player) and the overall strength are now clearly on a par with the top engines.”

Key Benefits

bulletbrand-new chess engine “Hiarcs 9” by Mark Uniacke
bulletspecial “Hiarcs 9” opening book by Eric Hallsworth
bulletFritz8 user interface with many training functions for beginners, club players and grandmasters
bulletexclusive photo-realistic 3D boards in various designs
bulletaccess to the ChessBase internet server “Playchess.com” (free for 12 months)
bulletdatabase with 500,000 games

HIARCS 9 can be purchased at the ChessBase Shop or from Countrywide Computers or ChessUSA 


HIARCS is a team effort and we would like to acknowledge the special contribution made by the following people:

Chess Engine: Mark Uniacke

Opening Book: Eric Hallsworth and Mark Uniacke

Extensive Testing: Eric Hallsworth and Enrico Carrisco



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"generally I use HIARCS." - Five time World Chess Champion Vishy Anand, in a recent interview when asked what chess program he uses to analyse with
"HIARCS is much better positionally than Deep Blue." - Garry Kasparov 1997 (after game 5 of the rematch)

World Chess Champion, Vishy Anand, used "Powerful" HIARCS machine in preparations for his 2010 & 2012 world title matches

"This level of service is one other big reason to buy HIARCS." - John Jackson

† Highest performance reached depends on computer used. Computer Chess Software with world class chess engine playing strength.
HIARCS is designed and developed by Mark Uniacke in England.

*VAT and local sales tax may be applicable. Prices given in GBP, USD and EUR are subject to change without notice.
Other currencies are subject to conversion rates from GBP.

HIARCS is a trademark of Applied Computer Concepts Ltd. All other product trademarks acknowledged.
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