:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

VAR (C) (A)

: ( 222jp)
Black protects his territory in the left centre, also continuing with the Main Semeai.

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White continues the endgame on the left side of the board at the lower edge.

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It is best for Black to connect.

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White plays hane at the upper edge, taking profit outside the Main Semeai, which will benefit her in the Semeai Variation.

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Black gives atari at White's two stones in the lower left.

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It is best for White to connect, as there is no valuable endgame spot remaining on the board.

Black plays 3/3 reductions.

Before the end of the game, Black must connect at .

Capture Variation:

Compared to the superordinate variation ...

  • Black did not capture White's two stones in the lower left, so losing four points.
  • Black destroyed one point of White's territory in the upper right corner.
  • White did not capture Black's stone in the lower right, so losing two points.

In total, White gained one point.

White + 3 => White + 4

Semeai Variation:

Compared to the superordinate variation ...

  • Black captured an additional White stone in the lower left, so gaining two points.
  • White captured an additional Black stone in the upper right, so gaining one point.
  • White captured one Black stone more in the lower right, so gaining two points.

In total, White gained one point.

Jigo => White + 1

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