:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

VAR (C) (A) (.2) (.1) (.1)

: ( 222aw)
White occupies one of Black's liberties at the right.

:
Black takes the opportunity to capture once more at the right edge.

:
White has to block at .

:
Black simply continues at the left.

:
White will use her sente after the dissolving of the hanezeki in the Capture Variation to connect at .

In the Semeai Variation, this point will be left open.

Capture Variation:

Compared to the superordinate variation ...

  • White captured an additional Black stone in the upper right corner.
  • White got two points of territory less in that area.

In total, White lost one point.

Black + 2 => Black + 3

Semeai Variation:

Compared to the superordinate variation ...

  • White captured two additional Black stones in the upper right corner.
  • White got two points of territory less in that area.

In total, gains and losses compensate for each other.

Black + 5 => Black + 5

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