Three star points, contact invasion

  Difficulty: Intermediate   Keywords: Question

Q: Jion: Hello, don't know where I should ask this or find this; I tried searching for it but found nothing. Please edit/move this if it makes things easier. Just wondering if it is always possible to live with an invasion at a in this situation? I realize that invading immediately would probably be helping Black, but can anyone give me some ideas for a joseki sequence? Thanks in advance.

Middle-game joseki invasion?  

Note: The three stars (star points, hoshi) formation is the major example of san-ren-sei.

Dieter: (copied the above from QuickQuestions)

For starters  

Notice that this is also a standard method for approaching a hoshi stone with a 4473Enclosure where W7 is a little more cramped by the presence of black+square.

For starters too  
For starters  

Charles: There are good reasons why this is 'rare': no joseki.


Probably the most interesting way for White is this. Of course there is a ladder to consider now. This might be played in a high-handicap game.

RhysD: Would somebody mind adding some detail here? I've had a play around, but can't find a plausible ladder. I find these sort of positions (e.g. instances of double hane) quite difficult.

A little heavy  

If instead W3 and B4, White's group is somewhat heavy. Black can expect to make territory, in the left corner by attacking, and on the right.

Three star points, contact invasion last edited by on December 23, 2012 - 22:52
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