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http://www.macupdate.com/download/2325/sigma%25206.2.1%2520hiarcs%252013.2%2520installer.dmg
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Sigma Chess is a master strength Mac chess program for both OS X and Classic Mac OS. The feature set includes: Optional HIARCS engine, UCI Engine support, Databases, PGN/EPD, basic desktop publishing, endgame databases, novice levels, a true perspective 3D board, ExaChess compatibility and much more.

What's New

Version 6.2.1:
  • Now bundled with the new HIARCS 13.2 engine! This engine is a Universal Binary and thus runs at full speed on Intel Macs. Additionally, a multi processor version is available for even stronger play.
  • NEW Now bundled with the unregistered version of the new Deep Junior 12 engine! (Only runs on Intel Macs).
  • Fixed a bug when deleting games from a collection.
  • Fixed a bug with more...

Requirements

OS X 10.3 – OS X 10.6.8

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Sigma Chess User Discussion

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Atalantia Member IconReview+44
Atalantia
+0

Misleading. Its not forIntel.

Reply1 reply
Version 6.2.1
MacUpdate-Nick
+0

Apologies for the confusion; this app and our listing haven't been updated in almost three years. We've updated the requirements section to reflect the correct architecture and OS requirements.

Kantorde Member IconReview+24
Kantorde
+2

Als long as gems like this app wont run on Lion or its successors there are undeniable reasons to keep at least one machine with Snow Leopard.

Reply0 replies
Version 6.2.1
Kantorde Member IconReview+24
Kantorde
+0

As long as apps like this gem wont run on Lion or its successors there are undeniable reasons to keep at least one machine with snow leopard.

Reply0 replies
Version 6.2.1
Outer Member IconComment+118
Outer
+2

With LION ready to pounce, what are Sigma Chess users planning to do to protect their investments in licenses for HIARCS (sp/mp) and Deep Junior? I've heard that Shredder, ExaChess and Scid can all use external HCI chess engines; so, which is easiest to set up using Sigma's directory tree, and configure, and, well, get playing?

Reply1 reply
Version 6.2.1
Lidador
+1

ExaChess is the most Mac like an have most of the features, but lack some UCI engine configuration features.

Shredder is over fine, but less stable than the others (lots of java or something). It has a major problem for me. It can't deal well with databases with more than 2.000 games.

Scid has all the features, even those you didn't ask for. It is fast and has analysis features at the level of a statistics junkie. It has the most demanding interface; it takes some times to learn how to use and configure all the options.

Now it's up to you. You use test the two first. Scid is freeware.

Syzzygy Member IconComment+169
Syzzygy
+0

Plays a mean game of chess but crashes fairly often on my machine.
Notified developer but never got a reply.

Reply0 replies
Version 6.2.1
alas! Member IconComment+571
alas!
+0

Sigma 6.2.1 crashes pretty often for me.
I notified the developer but received no reply.
Yeah, I know Sigma's free but, still. Most of the developer's of the free apps that I've tried have provided good support. I guess the developer doesn't giveashit.

Still, Sigma does play a mean game of chess.

Reply0 replies
Version 6.2.1
vandy72 Member IconReview+6
vandy72
+2

Great program but the PPC/Intel info is misleading. The HIARCS engine is a universal binary but Sigma Chess itself is PPC only and, according to the developer, will never be changed to a UB or Intel program.

Reply2 replies
Version 6.2.1
Outer
+0

@vandy72 : Moreover, if the HIARCS "Universal binary" is stripped of its PPC code using, say, Monolingual, it will no longer launch.

Lidador
+0

If you don't like Sigma, you may still use Hiarcs chess engine with another chess interface, like Scid, Shredder or ExaChess.

Cgc Member IconComment+511
Cgc
+2

Great game but I wish the developer would modernize it a bit. Seems dated and also ugly. Plays a dang good chess game though.

Reply0 replies
Version 6.2
KrZ Member IconComment+0
KrZ
+0

I noticed that my hard drive space was rapidly vanishing today. Upon investigation I discovered that the HiARCS database file in the HiARCS folder had swelled to over 100GB, leaving me with 0kb of free space. There don't appear to be any setting changes which can prevent this either.

Reply0 replies
Version 6.1.6
Igaucho Member IconComment+43
Igaucho
+1

One of the absolute best chess programs.

I'd just like to point out that only the HIARCS engine is UB. The actual application is still PPC. However, it runs very well still on my Core 2 Duo MacBook Pro. The engine makes up for any lag from the actual application running under Rosetta. Honestly it's hardly noticeable that it's not fully Intel native.

Reply0 replies
Version 6.1.5
There are no Ratings for this App yet.
> 4 15

Ratings

Overall
(15)
Current Version (6.x)
(12)

Details

Downloads 58,689
Version Downloads 5,916
License Free
Date 15 Mar 2011
Platform OS X / PPC 32
Price Free
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