Chiron 3 is about 60 points stronger than Chiron 2, supports multiple processors, Polyglot and CTG opening books, several endgame tablebases formats (Syzygy, Gaviota, ...). If you want a chance to win against Chiron, you can limit its playing strength (feedbacks are welcome). If you have played Ubisoft's Watchdogs you might already have played against a much weaker version of Chiron. Chiron comes in both Chessbase and Open Exchange formats.
CHIRON IS A CHESS ENGINE THUS NEEDS A CHESS GUI TO BE USED. RUN THE APP TO VERIFY YOUR LICENSE BEFORE PLAYING WITH IT IN A GUI.
Chiron's main features are: • playing strength of about 3100 Elo points on single core* • parallel search • adjustable playing strength with autolimitation of book knowledge • support for UCI and Winboard2 communication protocols • MultiPV and searchmoves for game analysis • support for Chess960 • support for Polyglot opening books • support for CTG opening books • support for Syzygy bases • support for Gaviota tablebases • smart detection of pawn blockages
*CCRL 40/4 rating list
Here's a short list of changes in Chiron 3: - improved search (better parameters for pruning and move ordering) - improved evaluation (in particular mobility and king safety) - tuning of the evaluation - new parallel search - added support for Syzygybases - added option "Tablebases Probe Depth" - 6 pieces Scorpio bitbases can now be probed - improved time management - fixed a time management bug for X moves in Y minutes time controls (thanks to Gabor Szots) - added option "Blockage Detection" to enable/disable pawn blockage detection - added again support for CTG books
Major chess GUIs: • Chess For Android (free) • Droidfish (free) • Scid on the Go (free) • Chessbase Online (commercial) • Chess PGN Master (commercial)
For a description of all the options please visit the official website: http://www.chironchess.com/support