:: Igo Hatsuyôron 120 (2020)

Variations of Our Solution (IIIa)

No Early Kikashi

VAR (.1)

: ( 648id)
White pushes from above in the left centre.

:
Black blocks.

: (A 648if; B 648ig; C 648ih)
White connects her single stone at the upper edge.

Alternatively, she might also start with playing her second kikashi in the lower left corner, or the central attachment in the centre at .
Blocking at , however, will be worse for her.

129:
Black sacrifices one stone for establishing an eye above.

Black plays 3/4 reductions.

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

White will connect at after her decision point.

Capture Variation:

Compared to the superordinate variation ...

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

In total, White lost one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

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

In total, White gained five points.

Black + 4 => White + 1

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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