Variations of Our Solution (II)
VAR (C) (B)
: ( 234) |
|
: |
|
: Due to White's initial forcing moves of , and , in the upper left corner (= here), Black does not have any ko-threats on the left side. White's group has seven liberties () against five liberties (, ) of Black's group in the lower right, so White will win a semeai between these two groups, even if Black is allowed to make two moves in a row. On the right side, Black does not have any ko-threats either. White's centre group has four liberties left, so the atari of on the upper edge is no valid ko-threat. |
|
: | |