Gokyo Shumyo, Section 1, Problem 78 / Solution

We try it out at Gokyo Shumyo, Section 1, Problem 78 / Attempts.


The solution is copied over from Gokyo Shumyo, Section 1, Problem 78 / Attempts, with minor corrections.

Main line: Hashimoto Utaro
Variations: unkx80, Dieter

[Diagram]
Solution.  

The tesuji is White 1.


Hashimoto's main line:

[Diagram]
Main line  

White 11 at a and Black 12 can't play at b because White captures three in a row, assuring a second eye.


Variations

[Diagram]
Variation 1.  

This lives. Covered in Beginner Exercise 56 and Beginner Exercise 58.

[Diagram]
Variation 2 (Main Line).  

The next tesuji is White 3, sacrificing yet another stone.

[Diagram]
Variation 2a.  
[Diagram]
Variation 2b.  
[Diagram]
Variation 2c.  

Failures

[Diagram]
Failure 1  

If White fires off the usual sequence first only to play the former tesuji at 7, she falls short as a is now suicide.



Gokyo Shumyo, Section 1, Problem 78 / Solution last edited by CharlesMatthews on January 21, 2003 - 13:43
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