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.
- 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