William Cobb home page http://www.slateandshell.com/billcobb.asp with links to The Empty Board articles.
He is one of the team at Slate and Shell.
Referenced bySlateAndShellGoBooksGoProblemsForKyuL...TheBookOfGoGoProblemsForKyuL...GoProblemsForKyuL...GoProblemsForKyuL...LearningFromTheMa...