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2007-06-25
Problem diagram.
Black's response to White's marked play?
Source:
American Go Journal , Vol. 17, No. 3, Sept 1982, p. 16
Kori Toshio 4p vs. Yamashiro Hiroshi 5p
Commentary: Abe Yoshiteru 8p
Solution follows
(or click here to download SGF)
Correct
Black 1 looks really thin. White has no alternative
but to play 2. The game continued through 5, after
which Black's thin, weak-looking bottom stones now
look strong. And the Black cutting stone neutralizes
White's thickness.
White alternative
Pushing through with White 4 fails brutally to Black 5.
Natural, but slack.
After Black 1, White simply pushes out.
The result is acceptable to White.
Black is much weaker than in the game line.
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