Variations of Our Solution (II)
VAR (C) (B) (C)
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: Occupying another shared liberty, e.g. at , is also out of the question, because this move would Black's group put below the Punishment Semeai Liberty Level. |
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: White's centre group has four liberties (2 * w, 2 * c) left, so the atari of is no valid ko-threat. If Black played the atari of on the left side as a ko-threat, White would answer at , and win the semeai with Black's connected group on the lower edge. White's larger eye made the difference. | |