:: Igo Hatsuyôron 120 (2020)

Variations of Our Solution (IIIa)

No Early Kikashi

VAR (.3) (.1)

: ( 648gu)
Black blocks in the left centre.

:
White forces in the left centre.

: (A 648hj)
White connects her single stone at the upper edge.

She can also go for some additional points of territory in the centre by attaching at , instead. The final scores will remain unaffected.

:
Black plays KataGo's solid connection "late".

Black plays 3/3 reductions.

Please assume the rejection of Dany's Sacrifice (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

  • White's cumulated gain at the upper edge is three points.
  • Black got two point of territory in the left centre.
  • Black did not capture one White stone there, so losing one point.
  • Black did not destroy three points of White's territory in the upper right.
  • Black destroyed one point of White's territory in the centre.
  • White did not capture Black's stone in the lower right, so losing two points.
  • White did not destroy one point of Black's territory in the upper left corner.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

  • White's cumulated gain at the upper edge is three points.
  • Black got two point of territory in the left centre.
  • Black did not capture one White stone there, so losing one point.
  • White captured three Black stones less in the upper right corner, so losing three points.
  • White captured one Black stone in the centre, and an additional one in the lower right, for a cumulative gain of three points.
  • Black captured one White stone less at the left, so losing one point.
  • White lost one point of territory in the upper right corner.

In total, Black lost one point.

Black + 2 => Black + 1

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

L e g a l   n o t i c e