213WN notcher
Keywords: Life & Death
![[Diagram]](../../diagrams/38/30670cce470d347ad917b97d7d2246c7.png) | 213WN |
This is an unsettled critical notcher. Anything weaker is dead. a or b make life.
![[Diagram]](../../diagrams/18/82dac7e86da9adaa33b14ab55764517f.png) | Black lives with a |
Playing a: after and , black can make life at either of the circled points.
![[Diagram]](../../diagrams/37/a765711708b833e917759894264290d2.png) | Black lives with b |
lives as well: it makes two sure eyes at the circled points.
![[Diagram]](../../diagrams/16/c78286e6b195393d69a8a303eed4dd71.png) | Demo |
( protects against capture)
![[Diagram]](../../diagrams/41/a0af46a1fb2380a611d3e8ef6ca1db5f.png) | 213WN Failure |
is a mistake after - : White descends with to create shortage of liberties .After , White starts a ko for the life of this group. [1]
![[Diagram]](../../diagrams/44/e9272f6341058d7d74830cf5db023bf2.png) | 213WN |
Black must be careful after the sagari at . a is now the only way to live without ko.
![[Diagram]](../../diagrams/10/c992e362436ec0826caf893523140769.png) | Reading exercise |
An easy reading exercise, but Black has to be careful. How to answer the hane at ? See Beginner Exercise 144.
Authors
This is a copy of the living page
"213WN notcher" at
Sensei's Library.
2004 the Authors, published under the OpenContent License V1.0.
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