Variations of Our Solution (Ib)
KataGo's 2021 Solution
VAR
(.3)
(.2) 
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However, I overlooked that the exchange of Black must block at
If it were gote, as in the superordinate variation, Black would be able to play an additional territory-destroying move (in the Capture Variation), compensating for his one-point loss in the upper left corner.
He would benefit in the Semeai Variation, if he played the descent to
He might continue with the Main Semeai, instead, but will lose two points in the Semeai Variation. | |
Black plays 3/3 reductions. | |
Capture Variation: Compared to the superordinate variation, ...
In total, White gained one point. White + 1 => White + 2 | |
Semeai Variation: Compared to the superordinate variation, ...
In total, White gained one point. Black + 5 => Black + 4 | |