Chiron 4 Chess Engine

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)
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4.6
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Additional Information

Eligible for Family Library
Eligible if bought after 7/2/2016. Learn More
Updated
January 19, 2017
Size
1.9M
Installs
100+
Current Version
4
Requires Android
2.3 and up
Content Rating
Everyone
Permissions
Offered By
chironchess.com
Developer
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