: ( 152)
This move also tries to generate sufficient additional ko-threats for White, but in vain. This is also shown in the theory chapter as FLAG 4a1 ( 1014).

:
Again, White loses a decisive liberty.

:
Again, White loses all her potential ko-threats in the top left corner, due to this protective move by Black.

:
The situation is the same as with the previous sub-variation ( 155). Black has two ko-threats on the left side, and , but White has none. Black will win the ko-fight.