GokyoShumyoSection5Problem5/Attempts

[Diagram]
first attempt  
[Diagram]
refutation  

W9 at W1

[Diagram]
continuation  

Dieter

[Diagram]
second attempt  

xela: Black can play a or b next. If black a, white b gives the position in "first attempt" at the top of this page. If black b, white a wins without ko:

[Diagram]
continuation  

W4 at W2; B5 at white+circle.

[Diagram]
continuation (B3 at black+circle)  

Herman Hiddema

[Diagram]
White takes ko first  

Bill: If B3 @ a, W4 fills the ko, and it's seki. (b and c are miai.) Note that b is a local ko threat for White.


GokyoShumyoSection5Problem5/Attempts last edited by Bill on March 21, 2008 - 16:23
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