Variations of Our Solution (Ib)
KataGo's 2021 Solution
VAR (.3) (.3)
: ( 58by) | |
: | |
... | |
: ( B 58ce) However, Black would benefit by one point in the Semeai Variation, if he chose the descent to for defending his lower left corner. As a matter of course, Black's best option here would be the block at at the upper edge, resulting in the same final scores as with Our Solution. | |
: : | |
; : : : : : ( A 58ca) White would benefit by one point in the Semeai Variation (compared to Black's best line of play below), if she connected her two stones in the lower left with , instead. | |
: : : ( 150 58cb) Black would be one point better in the Semeai Variation, if he defended in the left centre, instead. : (146 58cc) He would lose decisively overall, if he connected above, with . : (150 58cd) Counter-intuitively, he must not defend his formation in the upper left centre, quite contrary to the situation some moves before. : : Otherwise, White would be able to turn Black's lower left corner into a seki, as we have already seen in the subvariation above for Black's connection at . | |
Black plays 2/2 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 two points. Jigo => White + 2 | |