Gokyo Shumyo, Section 2, Problem 2 / Solution
Traditional solution
![[Diagram]](../../diagrams/14/256af1eca27f028547227327718c685b.png)
Main line
kills the group without ko. This line works in the corrected version too.
![[Diagram]](../../diagrams/0/bd19a67e65b30def6a1e032e263fdd74.png)
Variation 1:
here also kills
a and b become miai for the kill. This is inferior to the main line because white has more ko threats.
![[Diagram]](../../diagrams/35/9ed6bd5116e9ec739ad57c1a2681dc0b.png)
Variation 2:
captures
After
white is left with the bulky 5 shape.
Alternatives
![[Diagram]](../../diagrams/45/8423c743e8014e78d164f77a4a378a1f.png)
Attack from the right
However Black has three more moves to kill: a to c.
![[Diagram]](../../diagrams/17/233e0e3031d24b6dfe6cfded34028a7c.png)
shortage of liberties
For example, this line kills because White can't connect at a.