:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

VAR (C) (A) (.2) (.2) (.1)

(.1)

: ( 222ce)
Black descends to the upper edge, pre-empting White's hane (and the ensuing ko fight) in the upper left corner.

:
White continues with occupying Black's liberties at the right, keeping him par with the Punishment Semeai Liberty Level.

:
White will play this endgame sequence after her decision point.

Black must not play any reduction.

Due to the seki in the upper left corner, White will choose the Capture Variation.

Capture Variation:

Compared to the superordinate variation ...

  • Black's cumulated gain in the left centre is one point.
  • Black did not destroy two points of White's territory in the upper right corner.

In total, Black lost one point.

White + 6 => White + 7

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

L e g a l   n o t i c e