A Go term for playing inside another player's moyo with the intention of living or escaping.

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2
votes
2answers
78 views

Does the 3-3 invasion work with 3 stones already placed?

With the three black stones placed, I did the 3-3 invasion. $$Wm1 $$ ---------- $$ ........| $$ ...X....| $$ ...X.1..| $$ ....X...| $$ ........| I tried tried to force a KO and did get 2 moves ...
1
vote
2answers
126 views

3-3 invasion into 4-4,6-4

In josekipedia, they state that this exchange is a mistake See http://www.josekipedia.com/#path:pdttpfqcpcqdqepbobrbpaqaqb for the full sequence they argue with. But, I think that their argument ...
9
votes
4answers
1k views

Second line invasion of two-space extension

The two-space extension is a very common pattern and forms a base. I've found lots of material here, and here, and elsewhere on how it cannot be cut and how to defend against various invasions. ...
15
votes
2answers
734 views

Why is this corner enclosure considered to be safe against 3-3 invasion?

I have read somewhere, but unfortunately forgot where that the following enclosure is safe against the invasion at a. $$ White invades at 'a' and supposedly dies. $$ --------- $$ -........ $$ ...