:: Igo Hatsuyôron 120 (2020)

Variations of Our Solution (IIIa)

No Early Kikashi

VAR (.1) (.5) (.3) (.1) (.1)

: ( 648bt)
White throws-in in the left centre, making Black's potential eye false.

:
Black continues with the Main Semeai, taking White another Main Semeai Liberty.

:
White connects after Black's atari, refuting Dany's Sacrifice.

Black plays 2/4 reductions.

With 4/4 reductions, the final scores would be Black + 2 / White + 4.

White will start the Semeai Variation with , forcing Black to capture and connect in the left centre. This implies that Black has to capture at before the end of the game.

Capture Variation:

Compared to the superordinate variation ...

  • Black captured one White stone there, so gaining one point.

White lost one point.

White + 1 => Jigo

Semeai Variation:

At White's decision point, Black's large group in the upper right will have nine liberties, eight direct ones (), and one approach-move liberty ().
White on her side will suffer from the final ko in the upper right centre - found by Joachim ( 648ag) - that depends on the existence of two White cutting points in the centre (), and Black's large ko threat at at the top.
Black's large group in the upper right will not survive the semeai, but Black will capture White's wC-stones in the upper left, and win by about 15 points.

Black will win the game by a large margin.

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

L e g a l   n o t i c e