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Answers No.423

May 31, 2004
Problems and answers (PDFformat, 423_e.pdf, 115KB)


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Problems No.423
 
 

Elementary level

 

Answer

 
correct answer diagram Black 1 is the vital point.
If White 2, Black kills White with 3 and 5.
 

Wrong Answer

 
wrong answer diagram Black 1 allows White to live with 2 and 4 in a Seki.
 
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Intermediate level

 

Answer

 
correct answer diagram
Black 1 is crucial.
If White 2, Black 3 is the vital point.
If White tries to create a Ko with 4, Black kills White with 5 to 11.
If White 2 at 5, Black 10 kills White.
 

Wrong Answer

 
wrong answer diagram Black 1 allows White to get a Ko with 2 to 10.
 
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Problems No.423

Answers No.423
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