Sigma Chess is a master strength Macintosh chess program for both OS X and Classic Mac OS. The feature set includes: Database support, PGN/EPD support, basic desktop publishing, endgame databases, novice levels, a true perspective 3D board, ExaChess compatibility and much more.
What's new in 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 incorrect score signs when analyzing games & collections.
ReleaseMarch 13, 2011
Date AddedMarch 13, 2011
Operating SystemsMac OS X 10.4 PPC, Mac OS X 10.5 PPC, Macintosh, Mac OS X 10.3.9, Mac OS X 10.4 Intel, Mac OS X 10.5 Intel, Mac OS X 10.6 Intel