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)

Step 1. Download Chiron 4 Chess Engine Mod (Paid for free Free purchase) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Chiron 4 Chess Engine Mod (Paid for free Free purchase) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search Chiron 4 Chess Engine Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.