:: Igo Hatsuyôron 120 (2022)

New Story Line 2022

KataGo's Immediate Crosscut

After Yamada Shinji's Tsuke

VAR (.2)

: ( 2038)
White connects her single stone at the upper edge.

:
Black's push is sente, as explained in the previous subvariation.

:
Black captures White's single stone in the right centre, which is surprisingly large.

Black does not only achieve two points for Whie's captured stone, but also another one for destroying White's potential territory at (both with respect to the Capture Variation).
Disadvantage is the loss of two tempi in the Main Semeai. However, will become an eye, so Black's large group gets another approach-move liberty at in the hasami-tsuke area.
Three points at the cost of only one Main Semeai Liberty mean a net gain of two points.

:
Black gives atari from above, so immobilising White's stone below.

This move has been found by Joachim, it gains one tempo in the Main Semeai, compared to .

:
Black plays 2/2 reductions.

:
The Main Semeai continues.

Capture Variation:

Compared to the superordinate variation, ...

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

In total, White lost two points.

White + 2 => Jigo

2038

Copyright © 2022 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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