RTG Problem 12 / Solution
Solution
![[Diagram]](../../diagrams/39/dadcfee46f07d506d77486909a09fabf.png) | Black is dead |
The status of the Black group is that the group is already dead.
Main line
![[Diagram]](../../diagrams/46/ec078b19540680e43a9307bf9803c196.png) | Main line |
The main line is the descent at , which looks like it can live with a straight four. But with the correct sequence from to , Black is caught with a shortage of liberties, and is unable to play at a.
![[Diagram]](../../diagrams/52/a198d9513a1e3bc2fe671d749bf45b6f.png) | Variation |
If , then occupies the vital point. Later, if Black plays at a, then White can play elsewhere.
![[Diagram]](../../diagrams/36/00cfe84bdec2e86dd5682beb45a7a028.png) | Variation |
If here, then plays at the same point.
Other lines
![[Diagram]](../../diagrams/14/942b86eac8787214a361c9a0a21fff8b.png) | Variation |
tries to make a ko, but the placement at followed by the descent at is a standard tesuji.
![[Diagram]](../../diagrams/46/96935936596e5b8914bf20df02b2fd1c.png) | Variation |
The hane at is interesting. If is played wrongly, it can lead to an two step ko. With the correct move, Black dies.
![[Diagram]](../../diagrams/10/25edb539d19db3e73cc88acc86518c7e.png) | Mistake |
is a careless move, which gives a chance to live by an two step ko.
![[Diagram]](../../diagrams/50/90920f669c6a9833fab278914691f5f7.png) | Variation |
makes an eye in the corner, but destroys the eye on the edge.
![[Diagram]](../../diagrams/43/6766399848456793b664dad1b965e885.png) | Variation |
Playing at the 1-2 point does not work here, makes and miai for the kill.
This is a copy of the living page
"RTG Problem 12 / Solution" at
Sensei's Library.
2004 the Authors, published under the OpenContent License V1.0.
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