A few simple rules ... limitless possibilities

BGA Go calendar for 1977

12 difficult problems: graphic and ascii versions.

GoBase.org

A collection of over 1000 problems, including the famous Korean Problem Academy and Ancient Wei-qi Patterns.

GoProblems.com

Over 9000 problems. A good variety of problems, in an interactive format. You can have the solution with the solution shown in several formats. Anyone can add new problems to the site.

Hitachi

Two new problems each week by top Japanese amateur Minoru Harada, answers the following week. Over 500 problems so far. The site has seperate Japanese and English language sections.

The IGS-PandaNet go server

Each of these pages leads to 20 life and death problems.

• Tsume Go
• The Earth Spider
• The Five Dragons
• The Apparition
• The Next Move
• The Immortals
• The Fan
• Contemplation
• The Spider Game
• Candle

Sensei’s Library

Various problems and sets of problems. In particular, see:

• Kanazawa Tesuji Series
• Tsumego From Games
• Daily problems

Steve Bailey’s problem of the month

A new problem every month since January 1996 until December 2005.