Mac Chess HIARCS 13
World Championship winning computer chess software program & downloads for chess database, analysis and play on PC, Mac and iPhone

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Macintosh Sigma Chess 6.2 HIARCS 13
The strongest and best-featured HIARCS chess software for Macintosh computers.
Now you have a Super GM on your Apple Macintosh!

We are proud to present our latest chess product offering the strongest HIARCS chess engine ever on Apple Macintosh computers. We have partnered with the premier Macintosh Chess GUI, Sigma Chess, to provide not only the strongest chess engine but also the best featured and most user friendly GUI. HIARCS is a UCI chess engine which runs inside any UCI compatible chess GUI. Sigma Chess is the premier Macintosh Chess GUI supporting UCI chess engines. We can now offer you the latest versions of each component for the ultimate Apple Macintosh chess package:

bulletSigma Chess 6.2 Pro Graphical User Interface
bulletHIARCS 13.1 single processor and multi-core/processor versions as universal binaries!

Existing customers should have received an email detailing a discount offer for upgrading from Sigma Chess HIARCS 12 to Sigma Chess HIARCS 13. If you are an existing customer and have not received upgrade details please email us here:

       

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The Sigma Chess HIARCS combination gives the ultimate chess package for the Macintosh with the strongest ever chess engine on the Macintosh and the best features integrated into a stylish GUI. Key features of the full Sigma Chess Pro HIARCS product:  

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The new premier HIARCS 13.1 single and multi-core/processor chess engine in UCI form

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Strongest HIARCS chess program ever for Intel and G4/G5 Macintosh computers (universal binary)

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Can play at any chess standard you set in Elo rating points from beginner to World Champion

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Unlimited levels and time controls: Casual, Blitz, Active, Fischer and Tournament

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Tournament book with the latest opening theory for study and preparation with new Book Monitor

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Nalimov tablebase support of up to 6 pieces for perfect play in the endgame*

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Multiple playing styles, Solid, Normal and Aggressive; together with hypermodern play.

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Configurable Smart Search, Selectivity, Threats and Combination settings

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Positional and book learning capabilities so Hiarcs improves as it plays

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Dramatic improvements over the Lite version, 40 times faster, 600 Elo stronger, 62 moves deep
 

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New Sigma Chess 6.2 Graphical User Interface with Pro features and improved MultiPV

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UCI engine support so you can run other UCI Mac OS X engines in addition to Sigma Chess & HIARCS

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Sigma Chess now supports engine-engine matches - see those engines do battle!

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Monitors your play, measures your progress with Elo history graph and statistics

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Sigma Chess Pro now supports engine-engine matches and multiPV display!

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Sigma Chess GUI game collections (PGN & EPD) and HTML web page export including "Rules of Chess" collection

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High resolution, colour graphics with 2D/3D boards and multiple piece styles

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Purchase includes discount coupon of 20% off future purchases on www.hiarcs.com (valid until 31st March 2011)

 

*Endgame tablebases are a separate purchase or download.

Sigma Chess HIARCS are software download products.
Requires an Intel or PowerPC Apple Macintosh computer running Mac OS X 10.4 or later.

            


Just two steps needed to enjoy the capabilities of the latest Sigma Chess HIARCS:

1) Download Sigma Chess HIARCS Lite and TRY IT for FREE. Sigma Chess HIARCS Lite will run for free in demo/unregistered mode (restricted features and strength) until you purchase and receive the license key to activate the software.

2) If you like it BUY IT by secure online payment. You can buy Sigma Chess HIARCS for Macintosh by a variety of secure online payment methods including credit and debit cards. You can even pay by cheque/check or wire transfer. Soon after payment is completed you will receive a personalised license key to enable the purchased product option and  get full free access to the full tournament opening books with GM play and analysis!  Now you have a Super GM on your Apple Macintosh!

Further details about secure online purchasing of Sigma Chess HIARCS can be found on our How to Buy page.

The Multiprocessor version is strongly recommended for Intel based Macs as they have multiple processor cores and the MP version can take full advantage of them.

 

You may download our free demonstration version, Sigma Chess HIARCS Lite on our Macintosh download page.

In demo form Sigma Chess HIARCS has the following limitations:

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HIARCS 13.1 Lite chess engine with chess strength limitations:
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Over 400 Elo weaker than the activated/registered engine

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Chess Engine search is 10-40 times slower

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Search depth is limited to 13 plies (one ply is a move for one side)

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Some important evaluation components are disabled

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Only one CPU core is used

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No Nalimov endgame tablebase support

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Achieves about 2500 Elo, strong enough to defeat more than 99.9% of chess players

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Even this heavily weakened version is one of the strongest Mac chess engines

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Playing styles and all other configuration options are fixed.

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Only the first 10 moves of the opening books will be playable

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Hash tables are limited to 16Mb.

If you like the product please purchase it so that you have access to the full strength and features of the Sigma Chess HIARCS product. Purchasing a the product enables us to provide you with an activation key to unlock the features of the product chosen. See below for the product options.

Find out how to buy the Mac HIARCS chess engine here

You can view the Sigma Chess 6.2 series User Manual online. Please visit the Sigma Chess website www.sigmachess.com to see further details of the Sigma Chess Macintosh software and a full Sigma Chess GUI feature list or to obtain downloads for Mac OS 9 or earlier.

Your support of Sigma Chess and the Mac HIARCS chess engine enables us to provide you with even better Apple Macintosh chess products in the future. Thank you for your support!

 

Acknowledgements

Special thanks to Ole Christensen (Sigma Chess) for his superb Sigma Chess software, quite simply the best chess GUI for the Macintosh.

A big thank you to Richard Fowell for his superb beta testing and suggestions over the years which have helped make the Sigma Chess HIARCS product better.  Richard has helped test HIARCS Mac versions since the first HIARCS chess product for the Macintosh way back in 1995 and his detailed knowledge and thorough testing is truly outstanding.

These people have helped make the product the best it could be.  THANK YOU!

SigmaChess is copyright (c) Sigma GameWare.  

We thank Eugene Nalimov and Andrew Kadatch for their kind permission to use their access code (copyright (c) Eugene Nalimov) and decompression code (copyright (c) Andrew Kadatch) for Nalimov tablebases in the HIARCS chess engine.

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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.   *VAT may be applicable for customers resident in the European Union.
Prices are given in Pounds Sterling, US dollars and Euros. Prices are subject to change without notice.
Purchases in other currencies will be subject to conversion rates from Pounds Sterling (GBP).

World class Palm, PC Chess, Mac Chess, Pocket PC and iPad, iPhone Computer Chess Software with innovative features and chess playing strength
HIARCS Computer Chess Engines are designed and developed by Mark Uniacke in England.
HIARCS is a trademark of Applied Computer Concepts Ltd. All other product trademarks acknowledged.
Copyright 1991-2014 Applied Computer Concepts Ltd. All rights reserved. Last modified: Tuesday March 18, 2014.
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