Beginner Exercise 173 / Solution

Sub-page of BeginnerExercise173

Solution

[Diagram]

Solution 1

W1 makes two eyes at the bottom. W3 is necessary to prevent a throw-in ko.

[Diagram]

Solution 2

This solution lives too, if White finds the tesuji W3 like in Beginner Exercise 172. This line is about equal to Solution 1 in points but gives Black more ko threats.



Failure

[Diagram]

Failure 1: ko

W1 invites the atari at B2. White can only live by fighting the ko with W3.

[Diagram]

Failure 2: dead

W1 here will only result in a false eye after the throw-in at B4.



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