Joseki-related life-and-death example 4

    Keywords: Joseki, Life & Death

Joseki

[Diagram]

Not recommended!

Black should under almost no circumstances ignore the double kakari and let White play W1. But how does Black continue if he decides that he has to play this line after all?

[Diagram]

J-group

Black retreats to san-san and White tries to keep his eyespace as small as possible.

[Diagram]

Kikashi before living

Black plays the kikashi of B1 and B3 before living in the corner, in accordance with the proverb.



Discussion

[Diagram]

Life-and-death

The hane at black+circle is absolutely necessary for living. Without it the black group dies.

A very extensive analysis of the life-and-death can be found at J-groups.


[Diagram]

can't hane in sente

How does black live if white retreats with W4 so that a black play on circle is not sente?

[Diagram]

extend instead?

guess: With the extra liberty at square, black doesn't fear a white placement at circle so he can extend down the side instead.


This is a copy of the living page "Joseki-related life-and-death example 4" at Sensei's Library.
(OC) 2009 the Authors, published under the OpenContent License V1.0.
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