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What should Black do in this situation?
http://www.lifein19x19.com/viewtopic.php?f=11&t=6094		 Page 1 of 1
Author:  SuprunP [ Sat Jun 02, 2012 3:21 am ]
Post subject:  What should Black do in this situation?
What should Black do in the following situation?

Click Here To Show Diagram Code
[go]$$c What should Black do in this situation?
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . . X . . |
$$ | . . , . . . O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


When I play F3 my PC responds with F4 and I'm slightly at a loss to where I should extend.
Click Here To Show Diagram Code
[go]$$c Where should Black extend?
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . 2 X . . |
$$ | . . , . . 1 O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


If I play H3 White responds with F3 and I, for some reason, seem to be even worse off than in the previous situation.
Click Here To Show Diagram Code
[go]$$c Is this any good for Black?
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . . X . . |
$$ | . . , . . 2 O 1 . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]

Thanks.
Author:  emeraldemon [ Sat Jun 02, 2012 12:59 pm ]
Post subject:  Re: What should Black do in this situation?
I asked Fuego, which is stronger than I am at 9x9 (computers tend to do well on small board sizes).

It recommended this play:

Click Here To Show Diagram Code
[go]$$Bcm1 Black Play
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . 1 X . . |
$$ | . . , . . . O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


If white continues back to connect, black can be happy with a nice wall:

Click Here To Show Diagram Code
[go]$$Bcm1 Black has done well
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . 5 , . . . . |
$$ | . . . O 3 1 X . . |
$$ | . . , . 4 2 O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


Maybe because of this, its choice for white is to treat the stone lightly:

Click Here To Show Diagram Code
[go]$$Bcm1 Black Play
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , 2 . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . 1 X . . |
$$ | . . , . . . O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]
Author:  xed_over [ Sun Jun 03, 2012 1:45 am ]
Post subject:  Re: What should Black do in this situation?
I want to ignore, and tenuki @ C6

but I can't say if that's any better or worse.
Author:  cdybeijing [ Mon Jun 04, 2012 12:24 am ]
Post subject:  Re: What should Black do in this situation?
emeraldemon wrote:
I asked Fuego, which is stronger than I am at 9x9 (computers tend to do well on small board sizes).

It recommended this play:

Click Here To Show Diagram Code
[go]$$Bcm1 Black Play
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . 1 X . . |
$$ | . . , . . . O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


If white continues back to connect, black can be happy with a nice wall:

Click Here To Show Diagram Code
[go]$$Bcm1 Black has done well
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , . . . X . . |
$$ | . . . . . . . . . |
$$ | . . . 5 , . . . . |
$$ | . . . O 3 1 X . . |
$$ | . . , . 4 2 O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


Maybe because of this, its choice for white is to treat the stone lightly:

Click Here To Show Diagram Code
[go]$$Bcm1 Black Play
$$ ---------------------
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ | . . , 2 . . X . . |
$$ | . . . . . . . . . |
$$ | . . . . , . . . . |
$$ | . . . O . 1 X . . |
$$ | . . , . . . O . . |
$$ | . . . . . . . . . |
$$ | . . . . . . . . . |
$$ ---------------------[/go]


In the first and second diagram I think the exchange is acceptable to black only because it is a 9x9 board. On a full size board, white is doing much better, running ahead on the 4th line while black's extension is too close to his wall.
Author:  emeraldemon [ Mon Jun 04, 2012 7:49 am ]
Post subject:  Re: What should Black do in this situation?
I suppose one danger of 9x9 games: you may get some bad instincts when playing moves that work well in 9x9, but not in 19x19.
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