About Sigma Chess HIARCS
Strong chess software package with many features:
- Bundled with a demo version of the new HIARCS 11 engine
- UCI Engine support
- Hosting of Engine Matches
- MultiPV (k-var)
- Many playing modes & levels
- Configuration of ELO rating for engines
- Player ELO history graph
- PGN/EPD
- Game databases up to 1 million games
- Position/Opening Line Database Search
- Many more features.

What’s New in this Version
- Now bundled with the new HIARCS 12 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.