:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

VAR (C) (A) (.2) (.2) (.2) (.2)

(.2)

: ( 222ho)
White connects her single stone in the right centre, offering Black a "peaceful" path to defeat.

:
Black accepts White's offer by closing his upper left corner immediately.

Black must not push at , instead, as White would initiate the ko fight in the upper left corner.

For details, please refer to the appropriate subvariation below ( 222hp).

:
Black is bound to follow the course of the Main Semeai.

Pushing at - now or later - would be answered by White occupying a liberty of Black's large group at the right, pushing it below the Punishment Semeai Liberty Level.

Black must not play any reduction,

:
White might want to start the endgame at the left side of the board after her decision point, to not give Black any chances.

Capture Variation:

Compared to the super²ordinate variation ...

  • Black connected both of his hasami-tsuke stones, so gaining eight points.

White lost eight points.

White + 12 => White + 4

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