Chiron 3 is the latest version of the chess engine Chiron. 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 Nalimov and Gaviota tablebases. support for Scorpio bitbases. smart detection of pawn blockages. CCRL 40/4 rating listHere'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 booksMajor 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.