:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

(.2)

: ( 222hg)
Black descends to the upper edge in the corner, so preventing a White hane at the same point.

:
White initiates the ko fight in the upper left corner by pushing with .

:
Please note that this is a direct ko from the very beginning, and so disadvantageous for Black, compared to the superordinate variation.


Ko: ; ; ; ;

:
White starts with her ko threats in the lower left corner.

:
There is no need for White to ignore Black's ko threat at the bottom.

:
Black can utilise his ko threats in the upper right - and later those in the hanezeki - because there will be no semeai with White's centre group.


Ko: ; ; ;

:
Black has run out of valid ko threats.

:
White ends the ko fight by capturing Black's cut-off stones.

:
Black captures several White stones in the upper right.

:
White continues with the endgame.

White will win the game by 18 points.

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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