Life In 19x19

Posted: **Fri Feb 25, 2011 8:09 pm**

how should you attack a two space extension assuming it is very close to your thickness?

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what should white do if white plays 9 to make a base near whites thickness?

Posted: **Fri Feb 25, 2011 8:28 pm**

standardtrickyness wrote:...
what should white do if white plays 9 to make a base near whites thickness?

Pick up the stone as quickly as possible before black calls the TD.

Posted: **Fri Feb 25, 2011 8:30 pm**

standardtrickyness wrote:how should you attack a two space extension assuming it is very close to your thickness?

No general answer; that depends entirely on each unique board situation.

standardtrickyness wrote:what should white do if white plays 9 to make a base near whites thickness?

Probably a typo around "9", missing a co-ordinate letter?
It's more helpful if you use a diagram or an SGF file.
You can read about diagrams here: viewtopic.php?f=5&t=226

Here's a start:

Click Here To Show Diagram Code: [go]$$ $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . . X O . . . O . . . . . . . . . . | $$ | . . X , O . . . . , . . . . . X . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . O . . . . . , . . . . . , . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Posted: **Fri Feb 25, 2011 8:30 pm**

That picture looks like the wrong answer diagram for a fuseki problem.. Also, I don't know what you're talking about because your words seem to have no relation to the picture.

Posted: **Sat Feb 26, 2011 7:45 pm**

well the source of the diagram isn't necessarily credible but it still doesn't answer how to attack a two space extension. (assuming you are very thick such as in the diagram. Assuming black makes a two space jump towards whites thickness how should white respond? (ie 1 and 2 are played) extending first from thickness doesn't seem like a good option.

Posted: **Sun Feb 27, 2011 6:10 am**

Here are some possible attacks on a two space extension(diagram from [sl=TwoSpaceExtension]senseis[/sl]):

Click Here To Show Diagram Code: [go]$$B Some possible attacks $$ ------------ $$ | . . . . . . $$ | . . . . . . $$ | . . . . X . $$ | . . X , . . $$ | . . . . . . $$ | . . . . . . $$ | . . 1 . . . $$ | . d . . . . $$ | . . O . . . $$ | . . . a . . $$ | . . . b . . $$ | . . 2 . . . $$ | . c . . . . $$ | . . . . . . $$ | . . X . . . $$ | . . . , . .[/go]

Like has been said, it very much depends on the rest of the board, but you usually can't kill outright, even with a lot of thickness around.

Posted: **Mon Feb 28, 2011 2:42 pm**

I think he meant this

Click Here To Show Diagram Code: [go]$$ $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . . X O . . . O . . . . . . . . . . | $$ | . . . , O . . . . , . . . . . X . . . | $$ | . . X . . . . . . . . . . . . . . . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . O . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . , . . . . . , . . . . . , X . . | $$ | . . . X . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . . . . . . . . . . . . . . . B . . | $$ | . . . . . . . . . . . . . . O O . . . | $$ | . . . . . . . . . . . . . O . . O . . | $$ | . . . O . . . . . , . . O O O O X O . | $$ | . . . . . . . . . . . . . . X X X X . | $$ | . . . . . . . . . . . . . . . . X . . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]

Life In 19x19

Attacking a two space extension

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