Existing users, 
Sigma Chess
master strength chess game
Version: 6.1.6
Packed with features…
Feedback Type: Review
Contributed by: Nav Monday, April 29 2002 @ 07:04 PM PDT
Product Platform: MacOS
Used Product For: Unspecified
Packed with features which make it very versatile. It was well worth the modest upgrade price to the pro version.
Overall Rating:
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