:: Igo Hatsuyôron 120 (2021)

Variations of Our Solution (IIIb)

Tricking KataGo (Triple-Ko)

VAR (C) (A) (.2) (.2) (.2) (.4)

: ( 222ia)
White blocks at the top.

:
Black's throw-in is sente.

:
Black destroys White's hopes for an eye for her centre group.

:
White's solid connection comes too late now.

Playing the peep of would be too late, too.
Black would answer by occupying the miai point of .

:
Black's diagonal move at the upper edge is essential.

:
White further attacks Black's large group.

:
Black occupies White's liberties at the top first.

; :
White is forced to close her false eyes in the centre.

Black's large group shares seven liberties () with White's centre group.
There are five direct outside liberties () remaining.

Once the shared liberties are reduced to five, Black's group has a total of eight liberties remaining, enabling him to connect the hanezeki's tail wth a move at next, thereafter capturing White's centre group.

White must pre-empt this by capturing the hanezeki's tail with earlier.

:
White continues with the endgame at the left side of the board.

She will win the final ko at the top (, ), latest after having captured the hanezeki's tail eventually with .

Black will win the game by 15 points.

Copyright © 2021 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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