Beginner Exercise 262 / Solution

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[Diagram]
Solution 1  

This is a simple exercise on finding the space to make an eye. After B1, a and b are miai, and c and d are also miai, so Black lives.

[Diagram]
Solution 2  

Anonymous: a and b are miai. I think this solution is preferable, because there is one less killing threat for white. (See below)

[Diagram]
White threats in solution 1  

Anonymous: White has 5 ko threats, each of them threating to kill the entire group.

[Diagram]
White threats in solution 2  

Anonymous: Here W9 is only worth 6 points, since it doesn't threaten to kill the group, but merely to capture the three marked stones.



Beginner Exercise 262 / Solution last edited by 62.227.232.202 on June 29, 2009 - 12:27
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