:: Igo Hatsuyôron 120 (2015)

Variations of Our Solution (I)

VAR (A)

(Referenced by 38)


: ( 46)
White gives way here, and does not block at .

The effect of this move is valid for the Capture Variation only; the Semeai Variation is not affected.

:
The ensuing sequence here shows the "worst" that could happen to Black if he (more or less peacefully) plays kikashi once more with , and then follows our solution (and its Capture Variation). The result will be a three-point win for Black, the same score as with the Semeai Variation.

: (A 172)
However, Black can do better, with a move at , instead of immediately playing guzumi.

:
Here, White must play the endgame on the left side first; is not only a matter of technical preference, as it is in our solution.

In the upper right, Black has one liberty more than usual (). If White occupies a liberty of Black's group in the upper right, Black will defend the upper left corner with .


The Hanezeki Exchange ( - ) must be played earlier.

Here, White will gain one point by playing an unbelievable tenuki in the hanezeki in order to attack Black's upper left corner with a hane at .

Please refer to 503 for details why our previous order of moves was mistaken.

:
Thereafter, White can continue taking liberties of Black's top right group.

:
The above mentioned additional liberty allows Black to give atari here, and to connect at thereafter.

:
To take advantage of her earlier move with , White will choose the Capture Variation.

:
Compared to the Capture Variation of our solution (i.e. after the hasami-tsuke), White gained three points of territory in the corner (), but lost one on the upper edge (). Her total gain is two points.

Black wins by three points.

This is the same score as with the Semeai Variation of our solution.

Copyright © 2020 Thomas Redecker.

Design by Jan van Rongen, modified by Thomas Redecker.

L e g a l   n o t i c e