:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (Ib)

KataGo's 2021 Solution

VAR (.3) (.3)

: ( 58bi)
Black connects his stone in the left centre.

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

Black must not play any reduction.

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

Capture Variation:

Compared to the superordinate variation, ...

  • White's cumulated gain at the upper edge is three points.
  • White did not capture Black's stone in the left centre, so losing two points.

In total, Black lost one point.

White + 1 => White + 2

Semeai Variation:

Compared to the superordinate variation, ...

  • White's cumulated gain at the upper edge is three points.
  • White did not capture Black's stone in the left centre, so losing two points.

In total, Black lost one point.

Black + 5 => Black + 4

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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