: ( 90) After Black captured White's left side with , both sides follow the path of the variation that is shown with the double throw-in ( 363).
: We here show the "simple" variation where White does not insert the temporary ko in the upper left, with , , .
, , : With this combination, White gains a move. White plays one move in gote (), but Black loses two liberties of his group in the top right (, ).
Ko:
: (A 100) Black does not have enough time to pre-empt White's ko-threats in the upper left with a move at , instead.
Ko: ; ; ;
: White's group has three liberties left, so this move is no ko-threat here.
: White connects the ko. Black is unable to give atari at