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Chiron 4 Chess Engine on Windows Pc

Developed By: chironchess.com

License: Free

Rating: 4,5/5 - 34 votes

Last Updated: December 27, 2023

Download on Windows PC

Compatible with Windows 10/11 PC & Laptop

Game Details

Version 4
Size 1 MB
Release Date January 20, 17
Category Board Games

Description from Developer:
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 tha... [read more]

Game preview ([see all 12 screenshots])

Game preview

About this game

On this page you can download Chiron 4 Chess Engine and play on Windows PC. Chiron 4 Chess Engine is free Board game, developed by chironchess.com. Latest version of Chiron 4 Chess Engine is 4, was released on 2017-01-20 (updated on 2023-12-27). Estimated number of the downloads is more than 500. Overall rating of Chiron 4 Chess Engine is 4,5. Generally most of the top apps on Android Store have rating of 4+. This game had been rated by 34 users, 3 users had rated it 5*, 26 users had rated it 1*.

How to play Chiron 4 Chess Engine on Windows?

Instruction on how to play Chiron 4 Chess Engine on Windows 10 Windows 11 PC & Laptop

In this post, I am going to show you how to install Chiron 4 Chess Engine on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, ...

Before you start, you will need to download the APK/XAPK installer file, you can find download button on top of this page. Save it to easy-to-find location.

[Note] You can also download older versions of this game on bottom of this page.

Below you will find a detailed step-by-step guide, but I want to give you a fast overview of how it works. All you need is an emulator that will emulate an Android device on your Windows PC and then you can install applications and use it - you see you're playing it on Android, but this runs not on a smartphone or tablet, it runs on a PC.

If this doesn't work on your PC, or you cannot install, comment here and we will help you!

Step By Step Guide To Play Chiron 4 Chess Engine using BlueStacks

  1. Download and Install BlueStacks at: https://www.bluestacks.com. The installation procedure is quite simple. After successful installation, open the Bluestacks emulator. It may take some time to load the Bluestacks app initially. Once it is opened, you should be able to see the Home screen of Bluestacks.
  2. Open the APK/XAPK file: Double-click the APK/XAPK file to launch BlueStacks and install the application. If your APK/XAPK file doesn't automatically open BlueStacks, right-click on it and select Open with... Browse to the BlueStacks. You can also drag-and-drop the APK/XAPK file onto the BlueStacks home screen
  3. Once installed, click "Chiron 4 Chess Engine" icon on the home screen to start playing, it'll work like a charm :D

[Note 1] For better performance and compatibility, choose BlueStacks 5 Nougat 64-bit read more

[Note 2] about Bluetooth: At the moment, support for Bluetooth is not available on BlueStacks. Hence, apps that require control of Bluetooth may not work on BlueStacks.

How to play Chiron 4 Chess Engine on Windows PC using NoxPlayer

  1. Download & Install NoxPlayer at: https://www.bignox.com. The installation is easy to carry out.
  2. Drag the APK/XAPK file to the NoxPlayer interface and drop it to install
  3. The installation process will take place quickly. After successful installation, you can find "Chiron 4 Chess Engine" on the home screen of NoxPlayer, just click to open it.


(*) is required

Download older versions

Other versions available: 4.

Download Chiron 4 Chess Engine 4 on Windows PC – 1 MB

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'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