:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (Ib)

KataGo's 2021 Solution

VAR (.3) (.5)

: ( 58dv)
White connects her stone at the upper edge.

:
Black captures White's single stone in the right centre in return.

Black plays 2/2 reductions.

Capture Variation:

Compared to the superordinate variation, ...

  • White's cumulated gain at the upper edge is two points.
  • Black captured White's stone in the right centre, so gaining two points.
  • White did not get one point of territory in that area-
  • Black did not destroy one point of White's territory in the upper right corner.
  • White did not capture Black's stone in the lower right,s o losing two points.

In total, White lost two points.

White + 2 => Jigo

Semeai Variation:

Compared to the superordinate variation, ...

  • White's cumulated gain at the upper edge is two points.
  • White captured two Black stones more in the right centre, so gaining four points.
  • White captured one Black stone less in the upper right corner, so losing one point.
  • Black destroyed one point of White's territory there.

In total, White gained four points.

Black + 4 => Jigo

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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