Variations of Our Solution (IIIb)
Tricking KataGo (Triple-Ko)
VAR (C) (A) (.2) (.2) (.2)
(.2)
: ( 222ds) | |
: : (A 222dx) If Black kept this move in reserve, and played it later as a ko threat, White would ignore it. : (B 222dz) Connecting at , instead, would be mistaken. : Please note that Black loses a tempo in the Main Semeai by this move. However, it is badly needed to keep Black's chances in the semeai with White's centre group. | |
: (136 222ea) Immediately pushing with in the upper left corner, instead, would be several points worse for her. : Again, Black sacrifices a tempo in the Main Semeai for keeping a decisive advantage in the Central Semeai. : : | |
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: : : : Please note that it was White's push with that made this (additional) internal ko threat possible. |
: ( E 222ec) Other potential ko threats, as , or , are not available here. Choosing any of these would result in a loss of a decisive liberty at the right, resulting in White winning the Central Semeai. However, playing at (or ) at the bottom, instead, would be a few points better for Black. : Please confirm for yourself that White must not connect at , instead, answering Black's ko threat. : | |
: She will win the final endgame ko in the upper left corner, and connect at . White will win the game by 34 points. | |