save the marked stones. black has an external ko threat.
Author smartaleck Created 2011-05-07
Difficulty 9 dan (history) Source N/A
AVG solve time 89 sec Stars 4.5  (4 votes)
User attempts 14 / 180 Collections Self made, Game based
Genre life and death Your attempts N/A
Similar problems
Created 2011-05-07
Source N/A
Stars 4.5  (4 votes)
Collections Self made, Game based
Your attempts N/A