:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (Ib)

KataGo's 2021 Solution

VAR (.3)

: ( 58ap)
Black connects his stone in atari.

:
Black is par with the Punishment Semeai Liberty Level again so White simply continues with the Main Semeai.

Black must not play any reduction.

After her decision point, White will hane at at the upper edge. Black is forced to defend at before the end of the game.

Capture Variation:

Compared to the superordinate variation, ...

  • White destroyed two points of Black's territory in the upper left corner.
  • White did not capture Black's stone in the lower left, so losing two points.

In total, gains and losses compensate for each other.

Black + 2 => Black + 2

Semeai Variation:

Compared to the superordinate variation, ...

  • White destroyed two points of Black's territory in the upper left corner.
  • White did not capture Black's stone in the lower left, so losing two points.

In total, gains and losses compensate for each other.

Black + 2 => Black + 2

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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