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GiveMeLiberties

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Suji
UglySagari
SpecialProperties...
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12PointProblem2
AdvancedTechnique
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HolIgorsFirstTesuji

 

Belly attachment
Path: GiveMeLiberties   · Prev: RaceToCaptureInTheCorner   · Next: Fujitsu4Game16
    Keywords: Tesuji, Tactics, Go term

[Diagram]
Corner problem

White to play and capture the two black stones that cut off the two white stones.


[Diagram]
Belly attachment tesuji

The belly attachment does the trick.


[Diagram]
Continuation 1

After the continuation to W7, White has four liberties and Black three[1].


[Diagram]
Continuation 2

If Black fills outside liberties first, he loses the semeai too.


[Diagram]
Zokusuji

W1 is zokusuji: a crude move which doesn't work. The best result she can get now is ko.


[Diagram]
Zokusuji cont 1

White protects at W3 and loses time in the semeai. Her stones are captured.


[Diagram]
Zokusuji cont 2

Persevering with W3 makes it ko. The ko is very disadvantageous for White. There is no need to make it ko if you can win unconditionally.



[1] (It is a Type 1 fight: the side with more external liberties is the favourite; the favourite kills the underdog - Richard Hunter's theory on counting liberties).


One may want to compare the problem discussed above with the following:

[Diagram]
Another corner problem

This problem is a different beast altogether! For the solution, see two stone corner squeeze.



Path: GiveMeLiberties   · Prev: RaceToCaptureInTheCorner   · Next: Fujitsu4Game16
This is a copy of the living page "Belly attachment" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.