:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

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

: ( 222aq)
Black captures White's two stones in the lower left.

: ( 115 222as)
White continues with the Main Semeai in the upper right.

However, she would gain one point overall, if she defended her territory at the top with a move at .

:
Black closes his upper left corner, also reducing White's territory at the top.

After this move, Black is par with the Punishment Semeai Liberty Level again.

: ( 119 222au)
White continues with the Main Semeai.

However, she would benefit by one point, if she played the wedge in the left centre, instead.


:
Black is bound to continue with the Main Semeai.

Pushing at , instead, is out of the question.
White would not block at , but push Black below the Punishment Semeai Liberty Level by occupying another liberty of his large group at right. Further pushing at would be useless, as White simply connected at , thereafter winning the Punishment Semeai.

Black must not play any reduction.

After her decision point, White will occupy the point of .

We have reached a change in the order of moves with the superordinate variation.

The final scores of the game will become Black + 1 / Black + 4.

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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