Beginner Exercise 173 / Solution
Solution
![[Diagram]](../../diagrams/2/01a5e2412023b1e514a9b2c1b4b3db3c.png)
Solution 1
makes two eyes at the bottom.
is necessary to prevent a throw-in ko.
![[Diagram]](../../diagrams/21/59ffcbd563f2283cfff7ea9f121d4369.png)
Solution 2
This solution lives too, if White finds the tesuji
like in Beginner Exercise 172. This line is about equal to Solution 1 in points but gives Black more ko threats.
Failure
![[Diagram]](../../diagrams/42/5c43e4adc6c4db32048bd0a16de456cf.png)
Failure 1: ko
invites the atari at
. White can only live by fighting the ko with
.