Staircase ten

   
[Diagram]

Staircase ten

This is the staircase ten and is together with the bulky ten the biggest corner shapes that can be turned in a seki by the attacker.

The vital point for this shape is at a

The importand idea is that after W1, W2 and B3 are miai after that it becomes quickly a seki. Black can play B6 at W7 for a ko but black needs to make the first ko threat.


See Also: [ext] http://www.lifein19x19.com/forum/viewtopic.php?f=15&t=1599&p=30452#p30452


This is a copy of the living page "Staircase ten" at Sensei's Library.
(OC) 2011 the Authors, published under the OpenContent License V1.0.
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