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All you need to know about Carpenter's Square


Doing Life & Death exercises is one of the best ways to improve Go-playing skills. In this series of articles, I will cover all the Life & Death problems around so-called Carpenter's Square and its related shapes. In Chinese literature, this is called Jin Gui Jiao (金柜角 or 'gold cabinet corner' if translated literally).

Special text filters

The Go4Go system includes a number of smart text filters to help convert texts in predefined formats to more meaningful presentations for Go. These are based on BBCode syntax which is widely used in many forum systems.


Using Sensei's Library format to prepare Go diagrams

Sensei's Library is a popular collaborative web site about the game of Go. To facilitate discussions of Go board positions, the website defines an easy-to-use markup language and uses a back-end program to generate Go diagrams from text input. This open-source program has been integrated into Go4Go's content management system so all user posts here can also benefit from such nice feature.


Diagram templates

Assume you already learned how to Use Sensei's Library format to prepare Go diagrams, you rarely need to start everything from scratch. Here are a number of templates to start with (use copy/paste):


Using special emotion icons to discuss board positions

To make it easy to discuss board positions, especially together with Go diagrams, has defined a collection of board markup symbols as emotion icons (also known as smilies) to use in posts. Just like you can display a happy face by using :), you can also use our predefined text sequences to display move numbers and special symbols.


Prepare Go diagram text using Kombilo

Kombilo is a Go database management and pattern search program. It can generate Sensei's Library text output. The description here is based on version 0.7.4 of Kombilo.

Prepare Go diagram text using Drago

Drago is a Windows application. It allows SGF viewing/editing, as well as Go database management. The description here is based on version 4.2.1 of Drago.

Prepare Go diagram text using Quarry

The Quarry application allows users to play Go against computer programs, or view and edit game records. This is my favorite Go application under Linux. The description here is based on version 0.2.0 of Quarry (unfortunately it is no longer in active development).

Using Go4Go database with Kombilo

Kombilo is a free Go database program. It performs pattern search, allowing users to search Go board positions, therefore very suitable for studying josekis and fusekis. In this article, I will show to use Kombilo with Go4Go database.