4463 enclosure 3-3 invasion
Path: InvasionItinerary
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Keywords: MiddleGame, Joseki
![[Diagram]](../../diagrams/21/8f57d462d01a632b3bc61a069786f6f2.png) | The 3-3 point invasion with keima |
In addition to the hoshi (4-4, star point) there is now present.
White invades. Black blocks off the wider side. In this position, making the hanging connection with is a safe, thick move.
above isn't the usual play - White can die here. See 4463 enclosure, for the standard ko variation. Charles Matthews
![[Diagram]](../../diagrams/12/c8e318097b5f65730780d414ccd90655.png) | The 3-3 point invasion after an approach |
This joseki most often arises when is a response to . In this position, connecting at can be considered almost obligatory.
![[Diagram]](../../diagrams/0/6659201f27d6186d41fbf46199302eb7.png) | Black tries to kill |
What happens if Black tries to kill the invasion stones with here?
![[Diagram]](../../diagrams/43/197604df345ef475c6df2afd65d27b8e.png) | Black tries to kill |
This is Black's most severe continuation. The fight will depend on the surrounding stones.
Locally, White is dead: after White b, Black c, d and e are miai. Note that cannot be played at a.
![[Diagram]](../../diagrams/16/e11239bd70621ac17454cc6bc3092be3.png) | Clamp to escape |
Rich: I can't see a good way for Black to stop White sneaking out with the clamp; couldn't this be better than the previous example, depending on surrounding stones?
Charles That's one from Get Strong at Crawl.
Rich: Sometimes better a crawling weasel than a dead lion, no? :) I see the point - if you have somewhere to crawl to, you're probably better off not invading at the 3-3 in the first place,
Charles Depends a bit; but the 4463 enclosure 2-4 approach might sometimes be more useful. Anyway, of the initial diagram seems to be a pro move.
What about this?
![[Diagram]](../../diagrams/47/4e412ee1c661ef5289e3fb2231d33447.png) | Black blocks |
![[Diagram]](../../diagrams/15/964e719159cd189b2358fd90af2bbb9e.png) | Black blocks |
unkx80: The result should be a ko. See tripod group for a more detailed discussion.
[Joonas Tyystjärvi]: Supposing that the cutting point to the right of is not usable, does this work? It seems to me that after , White is alive - are Black's moves correct? (Of course, the result is locally very bad for White.)
![[Diagram]](../../diagrams/3/27a72042718b6fc8c7b563471e823c9f.png) | Sacrifice one |
I think Black can kill by playing at instead. If Black omits , then White a Black b makes life - Andreas
![[Diagram]](../../diagrams/15/43146fc8461a534185de5c2e9745d926.png) | Placement |
Author(s):
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This is a copy of the living page
"4463 enclosure 3-3 invasion" at
Sensei's Library.
2004 the Authors, published under the OpenContent License V1.0.
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