Variations of Our Solution (IIIb)
Tricking KataGo (Triple-Ko)
VAR
(C)
(A)
(.2)
(.2)
(.1)
(.1)
(.1)
(.1) 
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There is no need to cut through at the top, instead. KataGo does not really want to play Black's throw-in in the right centre now, but which is badly necessary to achieve the optimal result for Black.
Again, KataGo does not really want to throw-in at
However, this is the latest moment possible, when Black can play the throw-in in the right centre to his advantage.
However, this is the latest moment possible when White can play the connection in the right centre to her advantage.
Alternatively, he might throw-in at |
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She will not benefit from connecting at |
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If Black misses this move now, in order to give atari at
I suppose that White could do even without, not affecting the final score. |
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Continuing with the ko fight by capturing at |
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Alternatively, he might defend his territory in the lower left corner, instead, not affecting the final score of the game. Both sides will connect one of the remaining endgame ko each. |
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Capture Variation: Compared to the superordinate variation ...
In total, White lost one point. White + 7 => White + 6 |

222cg
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222ci
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in the right centre, instead.
, making sure that his cut-off stones will survive in seki. White will still have to capture the hanezeki's tail, and so is unable to bear the loss of these stones.
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in the upper left corner immediately, White will connect at this point, and thereafter win the Central Semeai, as can be seen in the previous subvariation for
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