:: Igo Hatsuyôron 120 (2022)

Timing of the Guzumi (2022)

VAR

Referenced by ( 2022MainLine)


: ( 1813)
Black starts the Nakade Sequence with the lower extension.
As will soon become clear, this order of moves is a mistake without a previous Guzumi Exchange , .

We inserted this move manually.

:
Sooner or later, Black will have to play my Guzumi.

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Quite surprisingly, White does not answer locally with , so completing the Guzumi Exchange, but captures Black's nakade stones at the left edge, instead.

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Black is forced to capture White's single stone in the upper right, securing independent life for his large group.

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White continues with Yamada Shinji's Tsuke.

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Black gives atari at White's four stones as a kikashi, ...

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... before answering in the upper left corner.

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As "usual", White reduces Black's lower left corner territory with this hasami-tsuke.

; :
White's previous move was gote, so Black takes the opportunity to take profit in the upper right, which is better for him than the connection at .

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White's hane at the left edge aims at creating a ko-shape there, while reducing Black's territory a bit.

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White's wedge is an unusual invention of KataGo.

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Black captures into the ko-shape at the left edge, in sente.

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White must take Black's nakade stones a liberty, as Black threatened to cut at .

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White starts the consolidation of the shape at the upper edge.

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White captures Black's nakade, as Black's cut at is again lurking around the corner.

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The small endgame continues.

...

Territory:

Black:

  • 18 points in the upper left corner.
  • One point in the left centre.
  • Seven points in the upper right.
  • Ten points in the lower left corner.

= 36 points in total.

White:

  • Two points in the hanezeki.
  • 14 points at the left side.
  • Six points at the lower edge.
  • Six points at the top.
  • Ten points in the upper right corner.

= 38 points in total on the board.

White wins the game by three points.

Copyright © 2022 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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