Gokyo Shumyo, Section 1, Problem 22 / Solution
Solution
Variations
![[Diagram]](../../diagrams/22/7e2ad71f66a0ea120ea6c8f2261d23cc.png)
Main line
After
and
, it becomes obvious that a and b are miai.
![[Diagram]](../../diagrams/40/f60e39814839da3ccdce549b0f68443f.png)
Variation
After
and
, it becomes obvious that a and b are miai.
Failures
![[Diagram]](../../diagrams/36/41f7e2fd45c3b1fa32412ce6162f39a5.png)
Wrong 1
Black
seems a shapeful move, but actually it creates a bulky five. White
strikes at the vital point.
![[Diagram]](../../diagrams/20/91fd0a61807990063910422de6bf4303.png)
Wrong 2
Black
invites White to create a ko with
. Later ...
![[Diagram]](../../diagrams/15/484f0021fc469f854b28ba5cfedb8dc4.png)
Later
... when Black recaptures the ko,
is an internal ko threat. Black must play
and White can recapture. Therefore, in the previous diagram
is better than a.
![[Diagram]](../../diagrams/51/9bccca84d2327278a6d6a63af7f5e6fc.png)
Wrong 3
Black
takes another seemingly vital point, but this diagram is rather a silly way to die.
Contributors
Problem 23
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