Variations of Our Solution (IIIb)
Tricking KataGo (Triple-Ko)
VAR (C) (A) (.2) (.2) (.1)
(.1) (.1)
: ( 222ce) For a long time, we thought that this move would complicate the matter unnecessarily. Until we realised that there is no need for White to fight this ko "early". | |
: ( C 222cg) At any time Black likes hereafter, he could capture the ko in the corner with . However, he would be unable to continue with capturing White's stones (by giving atari at ), just because this move would push him below the Punishment Semeai Liberty Level. KataGo (2021i) favours the immediate push at now. The final result of the game will not become as devasting as here with the ensuing sequence below, but remain countable. : : | |
: This move, and the following three, has the same effect as if Black would have played his kikashi in the hanezeki. : If he played this move at the left, occupying one of White's liberties there, the Punishmen Semeai Liberty Level would increase by one, so the net effect is zero. The same applies for the , exchange. | |
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: : : : |
: : She might have answered with , as she has two ko threats left at the upper edge ( and ). : : | |
Black's large group at the right has ten liberties (). But White's group at the bottom has twelve liberties left, two more than Black's. The position is hopeless for Black; White will win the Punishment Semeai. White will win the game by a very large margin. | |