SoDesuNe wrote:post scriptum:The attachment, Magicwand played, is not even mentioned in Takao's 21st Century Dictionary of Basic Joseki.
$$Bc
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$$ | . . X , . . . . . , . X . . O , X . . |
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$$ | . . . . . . . . . . . . . . a . . . . |
$$ | . . . . . . . . . . . . . . . b . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |'a' and 'b' are the most common moves.
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[go]$$Bc
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$$ | . . X , . . . . . , . X . . O , X . . |
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$$ | . . . . . . . . . . . . . . a . . . . |
$$ | . . . . . . . . . . . . . . . b . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |[/go]
$$Wc
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . c . |
$$ | . . . . . . . . . . . . . . . 5 3 4 . |
$$ | . . B , . . . . b , . X . . O , X . . |
$$ | . . . . . . . . . . . . . . . . . a . |
$$ | . . . . . . . . . . . . . . 1 . . . . |
$$ | . . . . . . . . . . . . . . . . 2 . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . , d . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |This is mentioned, although it is not labelled as a Joseki (see below). After
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[go]$$Wc
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$$ | . . . . . . . . . . . . . . . . . c . |
$$ | . . . . . . . . . . . . . . . 5 3 4 . |
$$ | . . B , . . . . b , . X . . O , X . . |
$$ | . . . . . . . . . . . . . . . . . a . |
$$ | . . . . . . . . . . . . . . 1 . . . . |
$$ | . . . . . . . . . . . . . . . . 2 . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . , d . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |[/go], Black can either defend at 'a' ("correct shape") which would locally invite White to make a pincer at 'b' or he plays 'b' himself and when White plays 'c'. Black can extend to 'd'. That is, when the top is more important.
Here I would playat 'b' because of the marked Komoku.
$$Wc One example
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$$ | . . B , . . . . 3 , . X . . O , X . . |
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$$ | . . . . . . . . . 8 . 4 . . 1 . . . . |
$$ | . . . . . . . . . . . . . . . . 2 . . |
$$ | . . . . . . . . . . . 7 . . 5 . . . . |
$$ | . . . . . . . . . . . . . . . 6 . . . |
$$ | . . . . . . . . . . . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |This is labelled as a "quasi-Joseki", meaning "a Joseki that is less well established than or not as important".
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[go]$$Wc One example
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$$ | . . B , . . . . 3 , . X . . O , X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . 8 . 4 . . 1 . . . . |
$$ | . . . . . . . . . . . . . . . . 2 . . |
$$ | . . . . . . . . . . . 7 . . 5 . . . . |
$$ | . . . . . . . . . . . . . . . 6 . . . |
$$ | . . . . . . . . . . . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |[/go]
$$Wc Another possibility
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X , . . . . . , . X . . O , X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . 1 . . . . |
$$ | . . . . . . . . . . . . . . . b 2 . . |
$$ | . . . . . . . . . . . . . . . 3 a . . |
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$$ | . . . . . . . . . . . . . . . . . . . |Black can play 'a' or 'b'. Both are quasi-Joseki.
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[go]$$Wc Another possibility
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$$ | . . X , . . . . . , . X . . O , X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . 1 . . . . |
$$ | . . . . . . . . . . . . . . . b 2 . . |
$$ | . . . . . . . . . . . . . . . 3 a . . |
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |[/go]Ishida says: The attachment below is unfavorable with this pincer. But he does not give further explanations.
Interestingly there are 25 games in the latest GoGoD with this attachment in an otherwise empty quarter of the board. However, 16 of the games are pro-ama or ama-ama games. So indeed the pros do not seem to have too high an opinion of it. Five of the nine pro-pro games continued with
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below and then split apart with White play from "a" through "d". Naturally there were a wide variety of outside situations. In choosing "b" (which is close to "a" as well), MW is in company with people like Sakata and Rin Kaiho, so let's not be shaking our heads too much at this stage!
$$B Search Pattern
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$$ . . . . d . . 2 O 1 . |
$$ . , . X . . O , X . . |
$$ . . . . . . . . . 3 . |
$$ . . . . . . b . c . . |
$$ . . . . . . a . . . . |
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$$ . , . . . . . , . . . |
$$ . . . . . . . . . . . |
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$$ . . . . . . . . . . . |
$$ . . . . d . . 2 O 1 . |
$$ . , . X . . O , X . . |
$$ . . . . . . . . . 3 . |
$$ . . . . . . b . c . . |
$$ . . . . . . a . . . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ . , . . . . . , . . . |
$$ . . . . . . . . . . . |
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[go]$$B Search Pattern
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$$ . . . . . . . . . . . |
$$ . . . . d . . 2 O 1 . |
$$ . , . X . . O , X . . |
$$ . . . . . . . . . 3 . |
$$ . . . . . . b . c . . |
$$ . . . . . . a . . . . |
$$ . . . . . . . . . . . |
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$$ . , . . . . . , . . . |
$$ . . . . . . . . . . . |[/go]