Many Faces of Go has some analysis tools that might be helpful: http://www.smart-games.com/manyfaces.html http://www.smart-games.com/manyfaces.html I found it

Many Faces of Go has some analysis tools that might be helpful: http://www.smart-games.com/manyfaces.html http://www.smart-games.com/manyfaces.html I found it worth the price. And the lower kyu AI was actually fun to play.