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31. Ko problem （黒先劫） Please note that two step Ko, disadvantageous for balck, is not a correct answer. （黒不利な１手ヨセ劫は不正解）. Difficulty level 1 at mimura15.jp
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Author Onishi T Created 2018-09-29
Difficulty 7 dan (history) Source Original （オリジナル）
AVG solve time 113 sec Stars N/A
User attempts 6 / 77 Collections Self made, Life and Death
Genre life and death ⓢ Your attempts N/A
Similar problems
Created 2018-09-29
Source Original （オリジナル）
Stars N/A
Collections Self made, Life and Death
Your attempts N/A