Variations of Our Solution (IIIb)
Tricking KataGo (Triple-Ko)
VAR (C) (A) (.2)
: ( 222aa) However, Black gets the opportunity to play the guzumi, which will slightly increase the overall result of the game in his favour. | |
: (111 222nx ; A 222ob) If he immediately connected with , he would not get the chance to play the guzumi later, so losing several points overall. Protecting his cutting point at the upper edge indirectly with (having his intention in mind to initiate Joachim's Ko-Semeai here), however, would be a grave mistake. : (111 222on) It will be a mistake for White to complicate the matter by cutting with , so letting Black live at the right after . We assume that White would lose some points overall. : Capturing White's five stones in the upper left with , instead, is out of the question. Black would fall prey to the Punishment Semeai thereafter. | |
: : : : White's connection was not sente, but created an approach-move liberty for her left-hand group. Therefore, Black is unable to play e.g. the large endgame move of at the lower edge. : : : ( A 222oo) However, she must not let Black defend his territory in the left centre, and so play the wedge in the left centre, instead. | |
: For White, it does not make sense to push again at at the left edge, as this move costs one tempo in the Main Semeai. Therefore, Black would get compensation in the upper right corner. | |
Black must not play any reduction. After her decision point, White will hane at . | |
Capture Variation: Compared to the super²ordinate variation ...
In total, gains and losses compensate for each other. White + 2 => White + 2 | |
Semeai Variation: Compared to the super²ordinate variation ...
In total, White gained three points. Black + 3 => Jigo | |