:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

VAR (C) (A) (.2)

: ( 222ni)
Black defends his territory in the left centre, also continuing with the Main Semeai.

:
White occupies the large endgame point at the upper edge.

:
Both Main Variations will have the same final score, so Black has to insert his kikashi in the hanezeki.

:
The Main Semeai continues.

Black plays 1/2 reductions.

Before the end of the game he will have to connect at .

Capture Variation:

Compared to the superordinate variation ...

  • White destroyed two points of Black's territory in the upper left centre.
  • Black's cumulated gain in the left centre is one point.
  • Black destroyed one point of White's territory in the upper right corner.

In total, gains and losses compensate for each other.

White + 3 => White + 3

Semeai Variation:

Compared to the superordinate variation ...

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

In total, Black lost four points.

Black + 1 => White + 3

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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