:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

(.1) (.2)

: ( 222ce)
Black descends to the upper edge, stopping White from playing another hane there.

:
White defends her weakness in the guzumi area.

:
Black takes the opportunity to defend his territory in the lower left corner.

:
White plays the wedge in the left centre.

:
This is KataGo's bad-shape move in the left centre.

:
Sooner or later, Black will have to protect his cutting point.

:
The Main Semeai continues.

Black must not play any reduction.

Due to the seki in the upper left corner, White will choose the Capture Variation.

After her decision point, White will descend to at the upper edge. Black will respond with connecting at .

Capture Variation:

Compared to the superordinate variation ...

  • Black did not destroy three points of White's territory in the upper right corner.
  • Black got an additional three points of territory in the lower left corner.

In total, gains and losses compensate for each other.

White + 6 => White + 6

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