:: Igo Hatsuyôron 120 (2020)

Variations of Our Solution (IIIa)

No Early Kikashi

VAR (.4) (.1)

: ( 648ht)
Black starts with his kikashi at the top, ...

:
... but really intended to capture White's single stone at the upper edge.

:
In the centre, Black can get an eye at least in gote, so he is able to answer White's kikashi in the lower right corner with , instead of .

:
White plays the central attachment in the left centre.

She might consider playing Dany's Attachment at , instead, intending to fight Dany's Ko, but we think that she will be unable to get a better result than herein.

: (134 648hv)
Black destroys White's potential territory in the centre.

Giving atari with at the upper edge, instead, will be mistaken.

; :
Neither side will touch the point lA before White's decision point.

Black plays 3/3 reductions.

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

In the Capture Variation, White will capture at , and connect with thereafter.
Black has to add a stone at .

In the Semeai Variation, White will start with the throw-in at . A few moves later, she will play the forcing sequence , , , , resulting in a gain of one point in the left centre.

In the Semeai Variation, she will be unable to capture at , and to connect thereafter, because this would cost her two moves in the Main Semeai, resulting in the life of Black's large group in the upper right.

Capture Variation:

Compared to the superordinate variation ...

  • White lost one point of territory at the upper edge.
  • Black lost one point of territory in the left centre.

In total, gains and losses compensate for each other.

White + 2 => White + 2

Semeai Variation:

Compared to the superordinate variation ...

  • White lost one point of territory at the upper edge.
  • Black lost one point of territory in the left centre.

In total, gains and losses compensate for each other.

Black + 1 => Black + 1

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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