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Offline emeraldemon
 Post subject: problem from game
Post #1 Posted: Tue Aug 31, 2010 9:22 am 
Gosei
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This is a position from a DGS game I finished not to long ago. Does black need to spend a move connecting the center stones, or can black play elsewhere? Looked at another way, can white cut off the marked stones?

Click Here To Show Diagram Code
[go]$$Bc can white cut?
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . . X O X X O . O X . . . |
$$ | . O X . . X X . X X O O . O X . . . . |
$$ | . O . X . X O O . O . O . O . X . . . |
$$ | . . . . . O X O . . O . . . . . . . . |
$$ | . . O . O . X O . . O X . X . X . . . |
$$ | . . . . O X . B B O O O X . . . . . . |
$$ | . . . . . X O O B B O X . . . . X . . |
$$ | . . . O . . . . B . O X . X . . . . . |
$$ | . . . , . . O O B , O X . . O , X X . |
$$ | . . . . . . . . B . X O O . . . . O . |
$$ | . . . O . . . . . . X . . . . . O . . |
$$ | . O O . . O . . . . . . . O . O X . . |
$$ | . O X X . . . . . . . . X X X O . . . |
$$ | X X . . . O . . . . X . . . X O . . . |
$$ | . . . X . . . . O , . . O . X X O O . |
$$ | . . . X . O . X O . X . . . . O X O . |
$$ | . . . X O . . . O X . . . . . X X X O |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
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Offline daniel_the_smith
 Post subject: Re: problem from game
Post #2 Posted: Tue Aug 31, 2010 9:30 am 
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Looks connected to me.

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Offline LocoRon
 Post subject: Re: problem from game
Post #3 Posted: Tue Aug 31, 2010 11:56 am 
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White at M7 looks interesting to me, but I don't think it works just yet.
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Offline DrStraw
 Post subject: Re: problem from game
Post #4 Posted: Tue Aug 31, 2010 12:06 pm 
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The only possible move to disconnect would be M7 but black can answer with K6 and all is safe. Black needs to watch out as the position changes.

An interesting move in this position is S7. How should white respond to that?

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Offline emeraldemon
 Post subject: Re: problem from game
Post #5 Posted: Tue Aug 31, 2010 12:14 pm 
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What about something like this?

Click Here To Show Diagram Code
[go]$$Wc can white cut?
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . X . . . . . . X O X X O . O X . . . |
$$ | . O X . . X X . X X O O . O X . . . . |
$$ | . O . X . X O O . O . O . O . X . . . |
$$ | . . . . . O X O . . O . . . . . . . . |
$$ | . . O . O . X O . . O X . X . X . . . |
$$ | . . . . O X . B B O O O X . . . . . . |
$$ | . . . . . X O O B B O X . . . . X . . |
$$ | . . . O . . . . B . O X . X . . . . . |
$$ | . . . , . . O O B , O X . . O , X X . |
$$ | . . . . . . . . B . X O O . . . . O . |
$$ | . . . O . . . . . 5 X . . . . . O . . |
$$ | . O O . . O . . . 4 3 1 . O . O X . . |
$$ | . O X X . . . . . . 2 . X X X O . . . |
$$ | X X . . . O . . . . X . . . X O . . . |
$$ | . . . X . . . . O , . . O . X X O O . |
$$ | . . . X . O . X O . X . . . . O X O . |
$$ | . . . X O . . . O X . . . . . X X X O |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
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Offline DrStraw
 Post subject: Re: problem from game
Post #6 Posted: Tue Aug 31, 2010 12:49 pm 
Oza

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emeraldemon wrote:
What about something like this?


Your move 2 would be very bad as it doesn't really protect anything. You have to be more indirect as I showed in my earlier post.

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Offline daniel_the_smith
 Post subject: Re: problem from game
Post #7 Posted: Tue Aug 31, 2010 12:55 pm 
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Despite :b2: looking bad, it appears that black is still connected after that sequence.

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Offline emeraldemon
 Post subject: Re: problem from game
Post #8 Posted: Tue Aug 31, 2010 9:21 pm 
Gosei
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You're both right, I was looking at this wrong. Thanks for the help!
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