Joseki-related life-and-death example 8

    Keywords: Joseki, Life & Death

This example shows how the carpenter's square may be formed.


First we start with this 4-5 point 4-3 approach joseki. B6 can be played at a, but Black can also choose to play elsewhere.


If Black chooses to play elsewhere, then White has the forcing move at W1.


At a later time, W1 to W3 seals up the left side, making it solid.

Carpenter's square  

After the previous diagram, the W1 to W3 sequence can be seen as sente, because it turns the black group into a carpenter's square. The placement at a will turn the corner into a ko.

The carpenter's square is extensively discussed on its own page.

Joseki-related life-and-death example 8 last edited by on January 9, 2006 - 12:22
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