:: Igo Hatsuyôron 120 (2015)

The Decisive Moment in the Historical Line

of Play (2002 - 2007)

The Oki Makes Black Helpless

Black cannot capture the oki.

If he connects immediately at , instead of playing at , he cannot give atari at after . White has the bigger eye, and wins the semeai.

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Black can also not take advantage of a White tenuki with . Even if he gives atari with , and captures White's corner, ...

... White can save her stone with .

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