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is there a way to resist to this reduction ?
http://www.lifein19x19.com/viewtopic.php?f=15&t=762		 Page 1 of 1
Author:  lorill [ Sun Jun 06, 2010 1:19 pm ]
Post subject:  is there a way to resist to this reduction ?
Hi, here's something that happened in my last game, where I was playing black :

Click Here To Show Diagram Code
[go]$$Wc
$$ ------------+
$$ O . . . . . |
$$ O . X . . . |
$$ O . X . . . |
$$ . O X . W . |
$$ O . O X . . |
$$ X O O X X X |
$$ O O X X O O |
$$ X O X O . O |
$$ O . O O O O |[/go]


I found this, black lives but white connects :

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


Is there anything better for black ?
Author:  Solomon [ Sun Jun 06, 2010 1:25 pm ]
Post subject:  Re: is there a way to resist to this reduction ?
Is there a stone at S15 or not? The diagrams are conflicting there.
Author:  Magicwand [ Sun Jun 06, 2010 1:29 pm ]
Post subject:  Re: is there a way to resist to this reduction ?
your second dig is differnet from first..
anyway..you can get seki or ko..
depends on ko threat..you may choose this option.
Click Here To Show Diagram Code
[go]$$Bc
$$ ------------+
$$ O . 5 . 9 . |
$$ O . X 4 2 7 |
$$ O . X 6 3 8 |
$$ . O X 1 O . |
$$ O . O X . . |
$$ X O O X X X |
$$ O O X X O O |
$$ X O X O . O |
$$ O . O O O O |[/go]
Author:  tj86430 [ Sun Jun 06, 2010 1:29 pm ]
Post subject:  Re: is there a way to resist to this reduction ?
Assuming the first diagram is correct, what about:

Click Here To Show Diagram Code
[go]$$Bc
$$ ------------+
$$ O . 3 . . . |
$$ O . X . 2 . |
$$ O . X . . . |
$$ . O X 1 O . |
$$ O . O X . . |
$$ X O O X X X |
$$ O O X X O O |
$$ X O X O . O |
$$ O . O O O O |[/go]
Author:  Li Kao [ Sun Jun 06, 2010 1:32 pm ]
Post subject:  Re: is there a way to resist to this reduction ?
Your diagrams don't fit together. S15 differs.
Why not 5 at R19? Assuming Diagram 2 is correct
Author:  lorill [ Sun Jun 06, 2010 10:48 pm ]
Post subject:  Re: is there a way to resist to this reduction ?
Sorry for the diagram mismatch, S15 is here, but only as the last play. I edited.
Author:  lorill [ Sun Jun 06, 2010 11:29 pm ]
Post subject:  Re: is there a way to resist to this reduction ?
tj86430 wrote:
Assuming the first diagram is correct, what about:

Click Here To Show Diagram Code
[go]$$Bc
$$ ------------+
$$ O . 3 . . . |
$$ O . X . 2 . |
$$ O . X . . . |
$$ . O X 1 O . |
$$ O . O X . . |
$$ X O O X X X |
$$ O O X X O O |
$$ X O X O . O |
$$ O . O O O O |[/go]


Reading calmly, I think black wins the semeai. It looked too dangerous in game.
Author:  The Pilgrim [ Tue Jun 08, 2010 4:46 am ]
Post subject:  Re: is there a way to resist to this reduction ?
Hi Lorill ;)

Have you read enough ? because thinking of and beeing sure is quite different :D

Edit : I think black can get seki at best (white connect his 2 stones and has enough liberties to create a seki). But is there a way for white to kill black... i'm not sure.
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