Variations of Our Solution (IIIb)
Tricking KataGo (Triple-Ko)
VAR (C) (A) (.2) (.2)
(Referenced by 222bs) : ( 222ao) | |
: ( 105 222ew) However, as we know now, immediately playing the crosscut of would be better. : ( A 222ez 104 222fb) However, descending to , instead, would be one point better overall. Yamada Shinji's original sequence continued with , but KataGo (2020) does not want to play this move any longer. Please note that Yamada Shinji found his improvement over the "classical" atari in an aera, when the endgame at the left side was played "late". Once the lower border of Black's upper left corner was settled, none of KataGo's current findings would be applicable any more. : (105 222fn) Cutting at , instead, would be one point worse overall. : (B 222fs) Defending the corner by connecting at , instead, would be too greedy, denying some hidden (and surprising) weaknesses of his upper left corner. Black would lose one point overall unnecessarily. | |
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Black must not play any reduction. After her decision point, White will play at in the upper left. and will follow. | |
Capture Variation: Compared to the superordinate variation ...
In total, White gained four points. Black + 1 => White + 3 | |
Semeai Variation: Compared to the superordinate variation ...
In total, White gained two points. Black + 4 => Black + 2 | |