:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

: ( 222ee)
Black gives atari at White's just played stone from the outside.

:
White plays a counter atari in the corner.

:
Black has to capture at the edge.

:
White plays another atari in the corner.

:
Black has to defend his cutting point at the top.

:
Black connects,

He will be unable to win any ko in this corner.

:
White continues with the Main Semeai.

:
Black captures White's two stones in the lower left.

:
White must be careful with the order of moves here.

If she mistakenly plays at , or , instead, the game will become countable.

:
Black is already par with the Punishment Semeai Liberty Level, so he is unable to get rid of his shortage of liberties in the upper left by capturing at .
We will explain here what will happen after he occupied all of White's liberties in the upper left.

:
White gives atari.

:
Black has to capture the ko at the left edge.

:
White simply captures the hanezeki's tail.

:
Black has to recapture, in order to not lose his large upper right group.

:
White destroys some points of potential Black territory in sente.

:
Thereafter, she recaptures the ko in the upper left corner.

There is nothing Black could do to stop her from capturing with by her next move.

White will win the game by a large margin.

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

L e g a l   n o t i c e