:: Igo Hatsuyôron 120 (2022)

New Story Line 2022

Joachim's Hane at the Top

(Joachim's Ko-Semeai #2)

VAR

: ( 2030c)
White's calm and solid move in the right centre torpedoes all of Black's hopes to complicate the issue.


Ko: ; ; ;

:
Black secures a three-point eye in the right centre.

Please note that this eye is not large enogh to generate additional liberties inside.

:
White starts the ko-fight at the right edge.

; :
Black has only two ko-threats in the Nakade Area.

:
Black's move does not contain an adequate threat.

:
White connects the ko, so ending the ko-fight.

:
Black continues with occupying White's liberties.

:
White has all the time in the world to eliminate any Black forcing move at the left side of the board.

; :
White utilises Cheng's gote-sente combination to occupy Black's remaining liberty in the hanezeki.
Black's large group in the upper right will be captured, so provides White with an additional benefit of two points.

:
Black cannot do without this liberty-occupying move, as White threatens to give atari in the hanezeki with .

:
Black's large group has only six liberties left, so he has to connect the hanezeki's tail.

:
White's oki is mandatory.

; :
White fills her false eyes.

:
White decides the semeai in her favour.

Black's large group has only two liberties left, so he is unable to give atari at White's centre group.

Black's connected hanezeki group is dead as well, as White could take it off the board, starting with at move at .

White will win the game by about 190 points.

2030c

Copyright © 2022 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

L e g a l   n o t i c e