GokyoShumyoSection3Problem33/Attempts

[Diagram]
white 11 at a, black 12 at b  
[Diagram]
variation: mistake by white  

xela: white can capture the corner without ko, but then all the white stones are dead. (Thanks to Skylancer for the correction.)


[Diagram]
1 is dangerous  
[Diagram]
Now Ko cannot be prevented  

GokyoShumyoSection3Problem33/Attempts last edited by 94.75.220.77 on January 4, 2011 - 18:34
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