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Capture on third line after cross-cut
http://www.lifein19x19.com/viewtopic.php?f=11&t=8157
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Author:  PeterPeter [ Thu Mar 28, 2013 11:09 am ]
Post subject:  Capture on third line after cross-cut

Am I right in thinking that :b2: does not force the capture of :w1: ?

Click Here To Show Diagram Code
[go]$$W
$$ -------------------------
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .
$$ . . . . . X 1 2 . . . . .
$$ , . . . . O X . . . . . ,
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .[/go]

Author:  skydyr [ Thu Mar 28, 2013 11:12 am ]
Post subject:  Re: Capture on third line after cross-cut

PeterPeter wrote:
Am I right in thinking that :b2: does not force the capture of :w1: ?

Click Here To Show Diagram Code
[go]$$W
$$ -------------------------
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .
$$ . . . . . X 1 2 . . . . .
$$ , . . . . O X . . . . . ,
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .[/go]


Click Here To Show Diagram Code
[go]$$W
$$ -------------------------
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .
$$ . . . . . X 1 2 . . . . .
$$ , . . . . . X . . . . . ,
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .[/go]


It doesn't even force it in this situation...

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

Author:  EdLee [ Thu Mar 28, 2013 11:12 am ]
Post subject: 

Peter, are you asking about the variations starting from this drop?
Click Here To Show Diagram Code
[go]$$W
$$ -------------------------
$$ . . . . . . . . . . . . .
$$ . . . . . . 3 . . . . . .
$$ . . . . . X 1 2 . . . . .
$$ , . . . . O X . . . . . ,
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .[/go]

Author:  PeterPeter [ Thu Mar 28, 2013 11:40 am ]
Post subject:  Re:

EdLee wrote:
Peter, are you asking about the variations starting from this drop?
Click Here To Show Diagram Code
[go]$$W
$$ -------------------------
$$ . . . . . . . . . . . . .
$$ . . . . . . 3 . . . . . .
$$ . . . . . X 1 2 . . . . .
$$ , . . . . O X . . . . . ,
$$ . . . . . . . . . . . . .
$$ . . . . . . . . . . . . .[/go]

I guess so; :w1: and :w3: seem safe that way.

Author:  Unusedname [ Thu Mar 28, 2013 12:20 pm ]
Post subject:  Re: Capture on third line after cross-cut

you might want to check out this thread

viewtopic.php?f=15&t=7764

Click Here To Show Diagram Code
[go]$$W
$$ -------------------------
$$ . . . . . . . . . . . . .
$$ . . . . . . 3 6 . . . . .
$$ . . . . 4 X 1 2 . . . . .
$$ , . . . . W X . . . . . ,
$$ . . . . . 5 . . . . . . .
$$ . . . . . . . . . . . . .[/go]


4 threatens to catch the white stone in a ladder or capture the stone on the third line.

But I think it's better to play 4 before 2.

Author:  PeterPeter [ Thu Mar 28, 2013 12:55 pm ]
Post subject:  Re: Capture on third line after cross-cut

Thank you. I thought there would be plenty of information about this, but in the material I am studying it comes under "edge crush", and I wasn't finding anything under that.

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