Arasan Downloads

Click on one of the links below to download the latest version of Arasan. Note: if you have difficulty downloading the Mac binaries (.dmg file), try right-click to save.

Current engine source code is available on GitHub now (but official releases will continue to be hosted here).

Version 17.0

Note: the Windows UI was rebuilt in early April 2014 to fix a few GUI bugs. No change was made to the chess engine. The latest GUI version is 17.0b.

Tablebase support code (source) for versions 14.0 & up

Selected older versions are still available:

Version 16.3

Version 16.2

Version 16.1

Version 16.0

Version 15.6

Version 15.5

Version 15.4

Version 15.3

Version 15.2

Version 15.1

Version 15.0

Version 14.3

Version 14.2b

Version 14.1

Version 14.0

Version 13.4

Version 13.3

Version 13.2

Version 13.1

Version 13.0

Version 12.3

Version 12.2

Version 12.1

Version 12.0

Version 11.7

Version 11.6

Version 11.5

Version 11.4

Version 11.3

Version 11.2

Version 10.4

Version 9.5

Version 8.4

Version 7.4

Version 6.3

Version 5.4

Version 2.2 (for Windows 3.1)

Version 1.0 (Windows 3.1, March 1994)