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33PointInvasion

 

3-3 Point, When does it Work
    Keywords: MiddleGame, Joseki

mat: I'd like to know which configurations of black stones allow a 3-3 invasion and which don't. Please continue this list!

Blue Wyvern: Also, could people add the josekis if they know them? Somehow I always screw up invading a knight's move from the star point (hoshi) even though I am sure it is possible to live.

[Diagram]
Diag.: White can live

This one is discussed in 3-3 Point Invasion and 3-3 Point Invasion Joseki



[Diagram]
Diag.: Black can kill


[Diagram]
Diag.: ?


[Diagram]
Diag.: ?


[Diagram]
Diag.: White should die, but how?


[Diagram]
Diag.: White should die, but how?

lavalyn: My best shot at it leaves White with something just less than an L group with leg and gote.



[Diagram]
Diag.: ?


[Diagram]
Diag.: White should live, but how?

Scartol: This is covered in 3-3 Point Invasion with Keima and 4463 enclosure.



[Diagram]
Diag.: White should live, but how?

[Diagram]
Diag.: The normal sequence

[Diagram]
Diag.: White lives, Black gets thickness

Also covered by Sakata Eio in his Tesuji and Anti-Suji of Go (Model 23: The Real Move - Honte), where the author explains why a black move at a before proceeding with 1 is anti-suji (zokusuji). --Nando



[Diagram]
Diag.: White will die, but how?

I know this enclosure is supposed to be immune to a raw invasion without support by White, but how does Black kill?

(See 364473 enclosure.)



This is a copy of the living page "3-3 Point, When does it Work" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.