Chiron 4 Chess Engine

محرك الشطرنج Chiron 4 بتنسيقات Chessbase و Open Exchange.

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)