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Little Go

By Patrick Näf Moser

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******************** IMPORTANT ********************
If you have trouble understanding how the app works, please take the time to read some of the information on the "Help" tab. There is 1) a Quick Start guide, 2) a list of Frequently Asked Questions, 3) a Troubleshooting section, and 4) a full manual!

If you still have difficulties, please write me an email, and I will answer your questions as soon as possible. Writing your questions into a review is frustrating because I cannot reply to reviews.

Little Go is a free and open source iOS application that lets you play the game of Go on the iPhone or iPad. You can play against another human (on the same device), or against the computer. The computer player is powered by the open source software library Fuego ( The minimum requirement for running this version of Little Go is iOS 7.0.

- Board sizes between 7x7 and 19x19 (start a new game to change the board size)
- Let the computer player make a move for you
- Calculate score at any time during the game (area scoring is the default, territory scoring rules can be selected at the start of a new game)
- Adjust computer playing strength and resign behaviour by selecting from a number of presets, or by fine-tuning advanced settings
- Adjustable komi, handicap and ko rule (start a new game to change these values)
- View board positions for moves played earlier during the game (no support for game variations, though)
- Discard moves (aka "undo")
- Display move numbers and coordinate labels
- Zoom & scroll board
- Display player influence (aka territory statistics) for an estimate who owns an area
- Computer vs. computer game for entertainment
- Save & load games to/from the archive
- Use iTunes file sharing to transfer saved games to/from your iOS device
- Import/export game files from/to other apps on your device (e.g. Mail, DropBox)
- In-app user manual (text-only)
- Submit bug report email from inside the app (yes, this *is* a feature :-))
- For the technically inclined: Watch what happens behind the scenes when Little Go and Fuego talk to each other over the Go Text Protocol (GTP)

Your contribution in any form (coding, UI design, testing, bug reports) is welcome - please contact me or visit the project website ( to find out more.

Little Go is released under the Apache License 2.0 (

What's New in Version 1.1.2

Version 1.1.2 is a bugfix release that contains the following changes:

- Interactive UI elements are now disabled while a stone-placing gesture is in progress (#243). This closes a loop hole that may have been the source for a number of crashes in the past (e.g. the crash described in #244)
- Stones no longer temporarily disappear from view while dragging a new stone (#245). Thanks to stfiend for reporting this bug.
- Fixed a potential crash if the computer player starts playing immediately after a game is loaded from the archive (#247).

- It is now possible again to make a move when viewing an old board position while the game has already ended (#246). This will resume the game, discard all board positions beyond the one that the user is currently viewing, and then play the desired move.


iPhone Screenshot 1
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iPad Screenshot 1
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Customer Reviews

Perfect app

This app has everything you need for playing go! All board sizes, adjustable AI difficulty, even the ability to save your matches and review later. I personally have never had a problem with crashes on my iPad2, however to anybody having issues adjust the AI bit, its overthinking is probably the issue (so not the app, but the device is making the crashs). There are settings to make the AI think less without making it any easier

What happened?

This app worked beautifully. Now it has yet to prove a stone where I intended it. Please fix!


So awesome. Thanks go doing this.

Little Go
View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Games
  • Updated: Oct 03, 2014
  • Version: 1.1.2
  • Size: 21.7 MB
  • Language: English
  • Seller: Patrick Naf Moser

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Customer Ratings

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