:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

(Referenced by 222bq)


: ( 222ev)
Black descends to the upper edge.

:
White continues with the endgame in the lower left.

: (A 222fa)
It seems best for Black to connect.


He might consider playing tenuki, in order to occupy the large point of at the top. The final scores of the game will remain unaffected.


:
White plays the wedge in the left centre, gaining some profit there.

:
KataGo's bad-shape move finally destroys one point of Black's potential territory in the centre.
Please note that this move does not lose a tempo in the Main Semeai.

:
This is because Black has to defend his cutting point - sooner or later.

Please note that Black is unable to tenuki, and to occupy the large point of , instead.
Currently, he is par with the Punishment Semeai Liberty Level, and so does not have the time to do so.

:
White prepares her following move with this cut.

:
Black is forced to answer from the inside.

:
White destroys some points of Black's potential territory in the upper left corner.

:
White ended in gote, so Black is able to force at the upper edge, and to connect thereafter.

Black must not play any reduction.

Capture Variation:

Compared to the superordinate variation ...

  • Black's cumulated gain in the upper left is one point.

White + 3 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

  • Black's cumulated gain in the upper left is one point.

Black + 2 => Black + 3

Copyright © 2021 Thomas Redecker.

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