Joachim's Ko-Semeai - Putting the Cart
Before the Horse (2013 - 2015)
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FLAG 9a: ( Black still needs one external ko-threat to win. Again, there is a precondition that Black needs to play a protective move in the upper left corner, to enable wholly approaching White's centre group. Please note that this case is White's choice. So even in the case of a Black success, White is not forced to choose this sub-variation. FLAG 9b: ( |
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FLAG 8c: ( However, Black must not choose this line of play, because he will need two additional external ko-threats (three in total). |
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