This book is giving me quite a hard time because it seems that without being able to read the chinese characters, some problems - especially the answers - are very hard to understand (for me).
One example, which I discussed with a local Dan-player was the following:
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[go]$$Bc Problem
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X . . . . .
$$ | . . . . . . X W . . .
$$ | . O . X . X O . . , X
$$ | . O X . . X O . O . X
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
It's Black to move and there seems to be a very obvious candidate.
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[go]$$Bc Obvious move?
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X . 1 . . .
$$ | . . . . . . X O 2 . .
$$ | . O . X . X O . . , X
$$ | . O X . . X O . O . X
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
But according to the answer this is inferior.
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[go]$$Bc Book's answer
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X . . . . .
$$ | . . . . . . X O . . .
$$ | . O . X . X O 1 . , X
$$ | . O X . . X O . O . X
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
This is the answer. But the local Dan-player said, he would never play this move and that it looks crude. White could even sacrifice his two stones and making a strong shape in the center.
The book's complete answer has two diagrammes:
1.
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[go]$$Bc Complete book's answer 1
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X . 3 . . .
$$ | . . . . . . X O 4 . .
$$ | . O . X . X O 1 2 , X
$$ | . O X . . X O 6 O . X
$$ | . . . . . . 5 . . . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
2.
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[go]$$Bc Complete book's answer 2
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X . 3 . . .
$$ | . . . . . . X O . 5 .
$$ | . O . X . X O 1 2 , X
$$ | . O X . . X O 4 O . X
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
And both seem good for Black, I think.
Furthermore there is this diagramme, pointing out, that after the
-
-exchange, Black cannot play
anymore.
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[go]$$Bc Book's failure diagramme
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X . 1 . . .
$$ | . . . . . . X O 2 . .
$$ | . O . X . X O 3 . , X
$$ | . O X . . X O . O . X
$$ | . . . . . . 4 . . . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
This is what the local Dan-player suggested, when Black cuts...
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[go]$$Bc 3D's answer
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X 6 . . . .
$$ | . . . . . 7 X O 2 . .
$$ | . O . X . X O 1 8 , X
$$ | . O X . . X O 3 O . X
$$ | . . . . . 9 4 5 0 . .
$$ | . . . . . . . . . . .
$$ ------------------[/go]
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[go]$$Bcm11 3D's answer
$$ | . . . , . . . . . . .
$$ | . . O . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . O . . X O . . . .
$$ | . . . . . X X O O . .
$$ | . O . X . X W X O , X
$$ | . O X . . X W X O . X
$$ | . . . . . X W X O . .
$$ | . . . . . . 1 . . . .
$$ ------------------[/go]
...and I don't find this bad for White. Of course it's hard to measure the result in this local context because we don't know how much support the two Black stones on the right have.
But then again, how and when is
in the book's answer a Tesuji?