:: Igo Hatsuyôron 120 (2015)

Variations of Our Solution (II)

VAR (C) (B)

: ( 232)
Black continues this semeai from the outside.

: (120 358)
Black's options are limited now to occupying White's outside liberties only - otherwise we would simply have a change in the order of moves - so White is able to safely filling in her second false eye. She should refrain from further taking Black's liberties, with moves at , or , instead. She would be forced to use one of her ko-threats in the top left corner, to win ( 361).

:
This is the right moment to start the ko.

:
White's group has five liberties left, so Black must use one of his ko-threats on the right side of the board, before connecting the hanezeki's tail.

:
White captures the ko for the last time.

On the right side, Black does not have ko-threats any more. White's centre group has four liberties left, so the atari of on the upper edge is no valid ko-threat.

This result is similar to the main line.

Copyright © 2016 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

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