:: Igo Hatsuyôron 120 (2020)

Variations of Our Solution (IIIa)

No Early Kikashi

VAR (.3) (.1) (.1)

: ( 648iy)
White plays the wedge in the left centre.

:
Black will capture White's just played stone.

:
Black is able to connect, instead of immediately capturing White's single stone with .

:
Black gets an eye.

: (129 648ja)
White plays the "usual" move, reverting to having played the central attachment earlier.

Cutting at , instead, will result in the same final scores.


; :
The areas at the upper edge, and in the centre, are miai.

Black plays 2/3 reductions.

Please assume the rejection of Dany's Sacrifice and Black's second kikashi in the hanezeki (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

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

In total, White lost two points.

White + 2 => Jigo

Semeai Variation:

Compared to the superordinate variation ...

  • White's cumulated gain at the upper edge is three points.
  • Black captured White's stone in the left centre, so gaining two points.
  • Black did not capture White's two stones in the left centre, so losing four points.
  • Black's cumulated gain in the lower left corner is one points
  • White captured one Black stone less at the right, so losing one point.
  • Black captured one White stone less in the lower left corner, so losing two points.

In total, White gained five points.

Black + 5 => Jigo

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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