Go81 is a program which plays the game of Go (also known as Weichi or Baduk) on small boards (9x9 and 13x13).


Developer: Tapani Raiko

Category: Games

Latest version: 1.6

Total versions: 7

Submitted: 13 Aug 2010

Updated: 13 Aug 2010


Go81 is a program which plays the game of Go (also known as Weichi or Baduk) on small boards (9x9 and 13x13). It uses Chinese scoring and a 6.5 point komi (or 0.5 when using a handicap).


Use the pointer to play. You can choose the players, the board size and the number of handicap stones by selecting the options from the menu. The program scores the game after it is finished. After the game has ended, you can return to the option menu by tapping the board anywhere. You can also undo the last move, estimate the score or resign during the game by using the menu. The opponent level 1 is fast but does not pass until very late in the game. That is good if you are just learning the basics but can be annoying later on. The opponent level 2 is fast in the beginning but plays better and slower later.


Go81 1.6 seem to be the latest available version. Below you can find file(s) assigned to this version:

Description/changelog of Go81 1.6:

The version 1.6 was released on June 12, 2004. This version features more accurate scoring, simplified options and resignation.

Old versions

Below are the earlier versions of Go81. If you are aware of a newer version of Go81 or an older one, which is not listed here, please feel free to add it!

Go81 1.5

Description/changelog of Go81 1.5:

The version 1.5 was released on January 12, 2004. It features a stronger AI.


Go81 1.4.1

Description/changelog of Go81 1.4.1:

The version 1.4.1 was released on December 21, 2003. It features enhanced user interface, fewer auto-ataris, fixed a bug in scoring.


Go81 1.3

Description/changelog of Go81 1.3:

The version 1.3 was released on December 13, 2003. It features scoring and komi options, as well as some small improvements.


Go81 1.2

Description/changelog of Go81 1.2:

The version 1.2 was released on October 25, 2003. A bug was fixed that caused a crash with Palm OS 4 when using level 2.


Go81 1.1

Description/changelog of Go81 1.1:

The version 1.1 was released on August 12, 2003. In this version the AI engine was improved and added the 13x13 board size.


Go81 1.0

Description/changelog of Go81 1.0:

[no description available for this version]



Finance (2)
Games (31)
Multimedia (2)
Productivity (2)
Reference (1)
System (1)


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