:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (Ib)

KataGo's 2021 Solution

VAR (.3) (.3)

: ( 58bc)
Black connects at the upper edge.

:
White continues with the mutual occupation of opponent's liberties.

:
White's centre group has only five liberties () left, so White has to capture the hanezeki's tail.

:
Black recaptures.

:
The game continues as in the following subvariation, which shows the result of White's correct play after Black's mistake with .

Capture Variation:

Compared to the super²ordinate variation, ...

  • Black's cumulated gain in the upper left corner and at the top is one point.
  • Black's cumulated gain in the nakade area is four points.
  • White's cumulated gain in the left centre is five points.
  • White's cumulated gain in the lower left corner is two points.
  • White got an additional point of territory in the right centre.
  • Black captured White's stone in the right centre, so gaining two points.
  • White did not capture Black's stone in the lower right, so losing two points.

In total, White lost one point

White + 1 => Jigo

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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