Variations of Our Solution (I)
The Top Right Corner
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(Referenced by
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///: Capture Variation:
In the top right corner, White has gained four points ( |
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You might be curious to know, where the above mentioned condition "13 liberties" comes from. Let us go back to the very beginning of the problem. 13 is the number of liberties that Black's large group has in the top right corner ( So Black must avoid taking a liberty of his own group. As a matter of course, neither |


812
45
: (A
168
:
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, because he must be sure to keep 13 liberties (
; i.e. points that White must occupy in the semeai) for the group in the top right. So, he will be unable to connect the stone at
) later.
,
), compared to the correct order of moves (with the push, before the hasami-tsuke), so Black wins by one point only.
, nor
, can be counted here. Black has to connect his partial groups in the top right at one of these points.
