Forgot your login/password?  

Web work

All web work is © 2008-2013 Guo Juan and Claude Brisson.

This website site uses many open source technologies, among which:

Parts of the Java code are © 2005-2009 William M. Shubert.

Jan 20, 2017 - New lecture

Today, YoungSun Yoon 8p has a new lecture for you: Joseki step by step - Star point lesson 9 follow-up A. Enjoy!

White tries to make trouble, what should Black do now?