Gokyo Shumyo, Section 1, Problem 29 / Solution

[Diagram]
Black lives  
[Diagram]
Main line  

White can make a seki in sente.


[Diagram]
Variation at 2  

[Diagram]
Another variation  

ChrisRyan?: B1 can also be played as hane, threatening to escape. The outcome after B9 is very similar to the main line. Note that if W2 is played at a, then Black can live outright.


[Diagram]
Wrong 1  

White plays at the vital point.


[Diagram]
Wrong 2  

Black 1 seems pretty vital too. However, two successive hanes and a placement kill Black.


[Diagram]
Wrong 2 variation (inferior for white)  

An immediate placement with White 2 is inferior: Black has a ko now.


[Diagram]
Wrong 3  

The hane creates a bulky five.


[Diagram]
Wrong 3 (variation)  

Now a and b are miai.


Problem 30
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Gokyo Shumyo, Section 1, Problem 29 / Solution last edited by 68.226.209.57 on May 30, 2009 - 06:23
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