:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

: ( 222kr)
White connects at the lower edge.

:
Black gives atari at White's two stones in the lower left.

:
White erases her weakness in the upper right corner.

:
Black protects his territory in the left centre in return.

:
Black is able to connect his hasami-tsuke stone.

:
Black captures White's two stones in the lower left.

Black must not play any reduction.

After her decision point, White will play the hane of at the upper edge, and connect at thereafter.
In the Capture Variation, Black will occupy the point of in the right centre.
In the upper left, he must connect at before the end of the game.

Capture Variation:

Compared to the superordinate variation ...

  • White got an additional three points of territory in the upper right corner.
  • Black destroyed two points of White's territory there.
  • Black destroyed one point of White's territory in the centre.
  • White did not capture Black's hasami-tsuke stone, so losing two points.

In total, White lost two points.

White + 6 => White + 4

Semeai Variation:

Compared to the superordinate variation ...

  • White got an additional three points of territory in the upper right corner.
  • Black destroyed one point of White's territory there.
  • White captured one Black stone more in the upper right corner, so gaining two points.
  • White captured two Black stones less at the right, so losing four points.

In total, gains and losses compensate for each other.

White + 3 => White + 3

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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