:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

: ( 222ew)
White continues with the Main Semeai, leaving the left centre untouched.

:
Black is able to defend in the left centre, securing an additional point of territory there.

Black must not play any reduction.

After her decision point, White will connect at at the upper edge. Black will push at , forcing White to block with .

Capture Variation:

Compared to the superordinate variation ...

  • White's cumulated loss in the left centre is one point.

White + 4 => White + 3

Semeai Variation:

Compared to the superordinate variation ...

  • White's cumulated loss in the left centre is one point.
  • Black captured one White stone less in that area, so losing two points.

In total, White gained one point.

Black + 1 => Jigo

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