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About the application:

Chiron 5 is the recent ver of the chess engine Chiron, released in July 2021. Chiron 5 is much stronger than Chiron 4, supports multiple processors, Polyglot, CTG and Arena opening ebooks, a few endgame tablebases formats (Syzygy, Gaviota, Nalimov, Scorpio). If you wish a possibility to victory versus Chiron, you can limit its playing strength. Chiron comes in both Chessbase and Begin 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. BUYERS OF THE WINDOWS VERSION GET THE ANDROID ONE FOR FREE. Chiron's main features are: • playing strength of about 3240 Elo points on single core (CCRL 40/4) • parallel find for up to 512 threads • adjustable playing strength with autolimitation of ebook knowledge • help for UCI and Winboard2 communication protocols • MultiPV and searchmoves for mini game analysis • help for Chess960 • help for Polyglot opening ebooks • help for CTG opening ebooks . help for Arena opening ebooks • help for Syzygy bases • help for Gaviota tablebases • help for Nalimov tablebases • help for Scorpio bitbases • smart detection of pawn blockages Chiron 5 is about 110/120 points stronger than Chiron 4. Most of the gains come from improvements in find and move ordering but also the evaluation has been improved and tuned by playing a few million games. Here’s a list of the another main changes: • help for 7-men Syzygy Bases • improved time allocation • help for Arena (.abk) opening ebooks. The params saved in the ebook are used to select the moves • a second opening ebook can be used • Elo limits have been retuned • some another minor bug fixes Major chess GUIs: • Chess For Android device (gratis) • Droidfish (gratis) • Scid on the Go (gratis) • Chessbase Online (commercial) • Chess PGN Master (commercial) For a description of all the options please visit the official site: http://www.chironchess.com/support