: ( 292) Black takes outside liberties first.
: White is able to erase one of Black's ko-threats on the right side.
: Black's group does not have sufficient liberties left to further occupy shared liberties.
: Black' atari on the upper edge is no valid ko-threat, because White's centre group has four liberties left.
: White simply connects the ko on the right.
: Black is unable to give atari at . White wins the semeai.