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 Post subject: Corner Status
Post #1 Posted: Sat Dec 01, 2012 7:41 pm 
Tengen

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This is from a game of mine--needless to say, there were some Black and white stones in the middle that are not included. What is the status of the corner if Black plays first? I can't get White anything better than ko, but I'm not good at reading corner sequences.

Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . 2 . . . . . . . . . . . . . . |
$$ | . . 1 . X O . . O . . . . . . . . . . |
$$ | . . . X . O . O . , . . . . . , . . . |
$$ | . . 3 4 . O X . . . . . . . . . . . . |
$$ | . 5 . X . O . . . . . . . . . . . . . |
$$ | 9 6 8 . . . . . . . . . . . . . . . . |
$$ | . 7 . . . . . . . . . . . . . . . . . |
$$ | . . 0 . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Dead
$$ ---------------------------------------
$$ | . 1 7 3 . . . . . . . . . . . . . . . |
$$ | 5 2 6 . X . . . . . . . . . . . . . . |
$$ | 8 . O . X O . . O . . . . . . . . . . |
$$ | . 9 4 X . O . . . , . . . . . , . . . |
$$ | . . O X . O X . . . . . . . . . . . . |
$$ | . O . X . O . . . . . . . . . . . . . |
$$ | O X X . . . . . . . . . . . . . . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Ko, white can take first
$$ ---------------------------------------
$$ | . 1 7 3 . . . . . . . . . . . . . . . |
$$ | 5 2 6 . X . . . . . . . . . . . . . . |
$$ | 8 . O . X O . . O . . . . . . . . . . |
$$ | . 4 9 X . O . . . , . . . . . , . . . |
$$ | . . O X . O X . . . . . . . . . . . . |
$$ | . O . X . O . . . . . . . . . . . . . |
$$ | O X X . . . . . . . . . . . . . . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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Occupy Babel!

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 Post subject: Re: Corner Status
Post #2 Posted: Sat Dec 01, 2012 7:49 pm 
Lives in sente
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Click Here To Show Diagram Code
[go]$$Bc
$$ ---------------------------------------
$$ | . 7 . . . . . . . . . . . . . . . . . |
$$ | . 4 3 . X . . . . . . . . . . . . . . |
$$ | . 6 O 5 X O . . O . . . . . . . . . . |
$$ | . 2 1 X . O . . . , . . . . . , . . . |
$$ | . . O X . O X . . . . . . . . . . . . |
$$ | . O . X . O . . . . . . . . . . . . . |
$$ | O X X . . . . . . . . . . . . . . . . |
$$ | . O . . . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

I think this works?

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