:: Igo Hatsuyôron 120 (2020)

Variations of Our Solution (IIIa)

No Early Kikashi

VAR (.1) (.1)

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

:
Black plays KataGo's solid connection, securing one point above.

:
White must play her kikashi in the hanezeki "early".

Otherwise, Black would gain overall by playing his atari at .

:
White continues with the Main Semeai, choosing Dany's Sacrifice in the lower left.

Black plays 0/1 reduction.

Capture Variation:

Compared to the superordinate variation ...

  • White's cumulated gain at the upper edge is three points.
  • Black gained one point of territory in the left centre.
  • White did not get any territory in the left centre, so losing two points.
  • Black gained an additional point of territory in the hanezeki.

In total, White lost one point.

Black + 2 => Black + 3

Semeai Variation:

Compared to the superordinate variation ...

  • White's cumulated gain at the upper edge is three points.
  • Black gained one point of territory in the left centre.
  • White did not get any territory in the left centre, so losing two points.

In total, gains and losses compensate for each other.

White + 3 => White + 3

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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