Variations of Our Solution (Ib)
KataGo's 2021 Solution
VAR (.3) (.4)
: ( 58dc) | |
: : : Inserting the kikashi of , would be possible, and not affect the final scores of the game. : : | |
: : : Please note that this move does not hurt White's options for reducing Black's corner from the left. : Defending his lower left corner with or , instead, would benefit White by two points in the Semeai Variation, while not affecting the overall result of the game. Thereafter, White would give atari at , forcing Black to capture with . | |
White needed five moves () to close all the holes in the borders of her territories at the top and in the upper right corner. Black needed also five moves () to stop White from destroying any point of his potential territories at the left side of the board. Please note that Black is only one over par, related to the Punishment Semeai Liberty Level, so he would be unable to connect his single stone in the lower right (which would cost him two tempi in the Main Semeai). | |
With her moves at , White would be able to destroy seven points of Black's potential territory at the let side of the board. Black would be able to destroy five points of White's potential territory in the upper right with his moves at . After both sides played all of their destructive moves, Black would still own one surplus Main Semeai Liberty. However, there would no longer be an open spot on the board where Black could spend this surplus liberty for. | |
: (143 58di) As explained above, the final scores of the game would not be affected, if White started with the mutual destruction of opponent's territories, instead. | |
Black plays 0/1 reduction. | |
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 lost one point. White + 1 => Jigo | |