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Taasog Erratum 2
   

page 35 diagrams 12 to 15 Various thoughts on the suji of connecting underneath

Dieter: I think that it is better for Black to immediately cut at 3 in diagram 13. If White captures, this reverts to diagrams 14 and 15. If White extends, Black connects. In the latter case, he has not made the exchange 1-2 in diagram 12 and thus not given away a stone for free.

Diagrams:

[Diagram]
Diag.: Connecting underneath

Problem: How to connect the three isolated black stones to the corner ?


[Diagram]
Diag.: Sakata's solution

[Diagram]
Diag.: Continuation

After Black 7, White can't connect at A due to damezumari.


[Diagram]
Diag.: Variation in the book

So White will extend with 4 and Black connects underneath.



Now for my suggestion:

[Diagram]
Diag.: Variation 1

Dieter: I think that it is better for Black to immediately cut at 1 here.


[Diagram]
Diag.: Connecting underneath

If White captures, this reverts to Sakata's solution.


[Diagram]
Diag.: Variation 2

If White extends, Black connects. If we compare this result to the variation in the book, we see that in the latter Black makes the exchange of A for White B, a loss of two points compared to Black B - White A.



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