Chiron 4 is the latest version of the chess engine Chiron, the current Italian Champion and the 3rd strongest engine available for Android* Chiron 4 is about 70 points stronger than Chiron 3, 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. 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. BUYERS OF THE WINDOWS VERSION GET THE ANDROID ONE FOR FREE.
Chiron's main features are: • playing strength of about 3160 Elo points on single core (CCRL 40/4) • parallel search up to 512 threads • 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
Here's a short list of changes in Chiron 4: - improved automatic tuning of the evaluation - improved evaluation of passed pawns, mobility, opposite bishops ending - improved forward pruning in the search - improved LazySMP for parallel search - minor speed optimizations - fixed a pondering bug - fixed two time management bugs under the Winboard protocol
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
* Rapidroid rating list - April 2017 (http://chesstroid.blogspot.it/2017/04/rapidroid-reloaded-april-2017-ft.html)