:: Igo Hatsuyôron 120 (2015)

Joachim's Ko-Semeai - Putting the Cart

Before the Horse (2013 - 2015)

E4 - About the (In-) Validity of Black's

Nakade Ko-Threats

E4a - White's Group in the Top Left

has Seven Liberties

(Referenced by 1056)


///:

: ( 944)
Again, Black tries this atari as a ko-threat. Please assume that parts of the Nakade Sequence ( / ) have been played earlier.

:
But White simply connects the ko on the right side.

In the beginning, her -group had seven liberties, so there are no valid ko-threats in the nakade, after Black has connected the hanezeki's tail.

:
White wins the semeai by one move.

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