How to answer

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DJLLAP
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How to answer

Post by DJLLAP »

Click Here To Show Diagram Code
[go]$$Bc Joseki?
$$ ------------------
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . 1 . . . . .
$$ | . . . , . . . . .
$$ | . c 3 b . . . . .
$$ | . . 2 a . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]

Hi everyone, this response came up in a game today and I had the hardest time coming up with a response. after checking eidogo, josekipedia, and the joseki database that comes with MFOG, I have been unable to find any significant information about this move. That seems to suggest that it is not joseki and is disadvantageous. In the game I played as follows, but I think I was let off easy.
Click Here To Show Diagram Code
[go]$$Bc Joseki?
$$ ------------------
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . O . . . . .
$$ | . 6 4 , . . . . .
$$ | . 1 O 3 . . . . .
$$ | 7 2 X 8 . . . . .
$$ | . 5 . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]
I was eventually able to capture the cutting stones. In retrospect, c was probably the poorest of the choices, but I cant find anything that is obviously good for B. Does anyone have any input?
Marcus
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Re: How to answer

Post by Marcus »

Click Here To Show Diagram Code
[go]$$Bc Joseki transposition?
$$ ------------------
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . 1 . . . . .
$$ | . . 5 , . . . . .
$$ | . . 3 4 . . . . .
$$ | . . 2 . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]
You could try to transpose the position back to the typical joseki shape.

Usually, I believe :w2: is played in positions where you want to avoid a pincer (because a closer approach invites one). With :b3: , it seems like Black is offering you a position that you might have wanted initially anyways.
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ez4u
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Re: How to answer

Post by ez4u »

DJLLAP wrote:
Click Here To Show Diagram Code
[go]$$Bc Joseki?
$$ ------------------
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . 1 . . . . .
$$ | . . . , . . . . .
$$ | . c 3 b . . . . .
$$ | . . 2 a . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]

Hi everyone, this response came up in a game today and I had the hardest time coming up with a response. after checking eidogo, josekipedia, and the joseki database that comes with MFOG, I have been unable to find any significant information about this move. That seems to suggest that it is not joseki and is disadvantageous. In the game I played as follows, but I think I was let off easy.
Click Here To Show Diagram Code
[go]$$Bc Joseki?
$$ ------------------
$$ | . . . . . . . . .
$$ | . . . . . . . . .
$$ | . . . O . . . . .
$$ | . 6 4 , . . . . .
$$ | . 1 O 3 . . . . .
$$ | 7 2 X 8 . . . . .
$$ | . 5 . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]
I was eventually able to capture the cutting stones. In retrospect, c was probably the poorest of the choices, but I cant find anything that is obviously good for B. Does anyone have any input?
GoGoD has 30 or so examples of the attachment. Your hane underneath is one possible reply, which creates its own lines (although in all the pro games White simply pulls back without cutting). The most common idea is to hane on top, which reverts to the usual high approach and attachment underneath joseki. Simply standing reverts to a common joseki for the distant high approach.

Two examples...
Click Here To Show Diagram Code
[go]$$Bc Tuo Jiaxi - Wang Lei Sr. 6th Weifu Cup, 2010-09-01
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . 6 . . . . . |
$$ | . . . 9 . 8 . . . . . . . . . O . . . |
$$ | . . X , . . . . 0 , . 7 . . 5 , 2 . . |
$$ | . . . . . . . . . . . . . . . . O 1 . |
$$ | . . . . . . . . . . . . . . . 3 X . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , 4 . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
Click Here To Show Diagram Code
[go]$$Bc Tuo Jiaxi - Luo Xinhe 2010 China Weiqi League, 2010-09-04
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . 6 . . . . . |
$$ | . . . O . . . . . 8 . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 9 . . . . . . . . . . . . 7 . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . 3 . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . X 4 . . . . . . . . . . . . . . . |
$$ | . . O 1 . . . . . . . . . . . . . . . |
$$ | . . 2 , . . . . . , . . . . . X . . . |
$$ | . . . O . . . . . . . . . 5 . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
Dave Sigaty
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logan
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Re: How to answer

Post by logan »

A famous example is from 1992, Game 3 of the 40th Oza between 67-year old Fujisawa Shuko and Kobayashi Koichi (at the height of his powers). "The Game of the Year," as nominated by several Japanese professionals that year, turned into a wildfire after this move and a following variation occurred.
From [i]Tournament Go 1992[/i] wrote:It was certainly one of the most spectacular: two large ko fights, three large trades, a board littered with corpses. And after all the fighting a half-point win -- which both players thought had gone the other way.

This is what tournament go is all about.
Not the mention the result would have been reversed if under Chinese rules.

Attachments
1992-10-28.sgf
(2.17 KiB) Downloaded 459 times
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