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44Point33Invasion...

 

3-3 Point Invasion which peeps at the tiger's mouth
    Keywords: MiddleGame, Joseki

[Diagram]
The opening

W5 is usually played to keep sente. Sooner or later White plays W7, which is usually gote but which has a large follow-up.


[Diagram]
The invasion

Black can connect at a or resist? at b.

Charles In a small sample (3) the pro always connects.



Connection

[Diagram]
Connection & block

Black can also cut at 4, but then White can live.


[Diagram]
Connection & cut

If the top right is big, Black plays this way. White lives


[Diagram]
Variation

Taking the corner is usually too painful.


Resistance

[Diagram]
Resistance

The question is whether Black can resist.


[Diagram]
Refutation

This way, White wins by one liberty.


[Diagram]
Refutation

W3 would be a mistake I think. White loses a liberty.

Requires more analysis. --Dieter



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