Joachim's Ko-Semeai - Putting the Cart
Before the Horse (2013 - 2015)
8a - Shared Ko in the Centre
(with Smaller Eye)
( 986) To construct a shared ko in the centre, we have to take the / stones off the board. This implies that we first assume here that Michael Redmond's kikashi in the bamboo joint has not been played. |
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Here, Black has occupied an outside liberty, with , instead of a shared one. White's group has five liberties (w, 3 * c, j), Black's group has seven liberties (3 * c, j, 2 * b, k). |
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@ ; Ko: |
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: This is one ko-threat less than with the smaller eye alone. The additional shared ko in the centre makes up for one Black ko-threat. |