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Mac Chess Downloads World Championship winning computer chess software program & downloads for chess database, analysis and play on PC, Mac and iPhone Apple Mac Sigma Chess HIARCS & Junior Downloads Sigma Chess HIARCS 13 and Junior 12 for Apple Macintosh computers is now available. Please see our to see the key features of our Mac product offerings.

The ReadMe.txt in each download contains details of each update and other useful information. Click on the appropriate Download link to begin downloading. All file sizes are approximate. Contents (not OS Lion) Contains the latest HIARCS 13.2 single and multiprocessor UCI chess engines for Apple Macintosh computers running Mac OS X 10.4 or later including 10.7 Lion. Also included is the HIARCS full tournament openings book which the engine uses directly. Until purchase and activation HIARCS will operate in as a Lite product with restricted features and strength.

Lion users should download this version. This download does not include the Sigma Chess GUI.

(18.2 Mb) - includes latest HIARCS engines! Please note this is a chess engine only download. It requires a chess GUI to use the engine. Please see the for answers to most common questions about installation, activation and use of the product.

Requires Apple Macintosh computer running Mac OS X 10.4 or later including 10.7 Lion. HIARCS supports both PPC and Intel CPUs in a universal binary. Electrical Electronics Engineering Dictionary Free Download there. Please read and agree to the before using the software.

Last updated: 25th June 2011. Contains the latest Deep Junior 12.5 UCI chess engine for Apple Macintosh computers running Mac OS X 10.5 or later including 10.7 Lion. Also included is the Deep Junior openings book which the engine uses directly. Until purchase and activation Deep Junior will operate in as a Lite product with restricted features and strength.

Lion users should download this version. This download does not include the Sigma Chess GUI. (2.8 Mb) - includes latest Deep Junior engine! Please note this is a chess engine only download.

It requires a chess GUI to use the engine. Please see the for answers to most common questions about installation, activation and use of the product. Requires Apple Macintosh computer running Mac OS X 10.5 or later including 10.7 Lion. Please read and agree to the before using the software.

Last updated: 25th June 2011. Contains the Sigma Chess 6.2.1 GUI, HIARCS 13.2 single and multiprocessor UCI chess engines and Deep Junior 12 multiprocessor UCI chess engine for Apple Macintosh computers. Also included is the HIARCS full tournament openings book and various Sigma chess libraries and databases.

Until purchase and activation Sigma Chess HIARCS & Deep Junior will operate in as a Lite product with restricted features and strength. Not recommended for Mac OS 10.7 Lion as Apple have dropped support for Rosetta and Sigma Chess.

(25.6 Mb) - includes latest HIARCS 13.2 and Deep Junior 12 engines! IMPORTANT: Do NOT run the software directly from the Sigma 6.2.1 HIARCS 13.2 Installer volume.

Instead drag the enclosed Sigma 6.2.1 HIARCS 13.2 folder from the volume to a suitable location on your hard drive (e.g. The Applications folder). Then eject the volume. Please see the for answers to most common questions about installation, activation and use of the product. Please read the How to Install document inside the image volume as it contains important information about installation and how to use your older HIARCS chess engines from v9.6-v12 with Sigma Chess 6.2. Requires Apple Macintosh computer running Mac OS X 10.4 or later up to 10.6.8.

Sigma Chess is not compatible with 10.7 Lion. Sigma Chess and HIARCS support Intel and PPC based Apple Macs using Mac OS X 10.4 (Tiger) or later.

Please note the Deep Junior 12 engine is Intel only (not older Power PC G3/G4/G5 processors) and is only supported on Mac OS X 10.5 (Leopard) or later. Please read and agree to the before using the software. Last updated: 18th February 2011. Contains the Sigma Chess 6.2 GUI and HIARCS 13.1 single and multiprocessor UCI chess engines for Apple Macintosh computers.

Also included is a full tournament openings book and various Sigma chess libraries and databases. Until purchase and activation Sigma Chess HIARCS will operate in as a Lite product with restricted features and strength. (19.3 Mb) - includes latest HIARCS 13.1b engines. IMPORTANT: Do NOT run the software directly from the Sigma 6.2 HIARCS 13 Installer volume. Instead drag the enclosed Sigma 6.2 HIARCS 13 folder from the volume to a suitable location on your hard drive (e.g. The Applications folder). Then eject the volume.

Please see the for answers to most common questions about installation, activation and use of the product. Please read the How to Install document inside the image volume as it contains important information about installation and how to use your older HIARCS chess engines from v9.6-v12 with Sigma Chess 6.2. Requires Apple Macintosh computer running Mac OS X 10.4 or later up to 10.6.8.

Download Exploring Corporate Strategy 8th Edition there. Sigma Chess is not compatible with 10.7 Lion. Please read and agree to the before using the software.

Last updated: 12th May 2010.: An excellent long established Mac OS GUI.: A free Java Mac OS GUI: A free Mac OS GUI for analysis ' 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,,, and, 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 © 1991-2016 Applied Computer Concepts Ltd.

All rights reserved. Last modified: Monday February 01, 2016.

Contact the HIARCS Team by email:.

9 If you're looking for an elegant Chess game for Mac then look no further than Chess. Chess features stunning 3D graphics, online gaming and an intuitive interface that anyone should be able to use. The boards and pieces look handcrafted and can be viewed in 3D with rotation and zoom possible. Chess is very easy to play but hard to master.

Even better, you can play against people from around the world to see just how good you really are - much more fun than playing against the computer. You can tweak the settings to change the pieces and board style and find full instructions about exactly how to play chess. There's very little to fault in Chess overall since it does a simple job of making a simple game highly enjoyable on your Mac.