Joachim's Ko-Semeai - Putting the Cart
Before the Horse (2013 - 2015)
Invalid Ko-Threats (III) - Black Owns
Real External Threats
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(Referenced by
First of all, Black cannot allow White to connect the ko at right, with a move at On the other hand - due to the double-ko of |
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1049
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. As we have seen before, the remaining double-ko
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in the centre benefits White.
- Black will not get the chance to connect to ko on the upper edge, with a move at
. But this would be a mandatory requirement for winning the ko-fight at right, involving 
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, nor connect the ko on the upper edge, at
, leaving Black helpless.
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