![[Welcome to Sensei's Library!]](../../images/stone-hello.png)
StartingPoints
ReferenceSection
About
Paths InvasionItinerary DiagonalAttachmen...
Referenced by TenukiJosekiPages... 44PointLowApproac...
|
4-4 point low approach low extension tenuki, diagonal attachment, 3-3 invasion
Path: DiagonalAttachmentPath
· Prev: 44PointLowApproachLowExtensionTenuki · Next: 4463EnclosureSecondLineDiagonalAttachment
Path: InvasionItinerary
· Prev: Butterfly · Next: BeginnerSQuestionAboutInvasion
Keywords: MiddleGame, Joseki
![[Diagram]](../../diagrams/51/df3ffe840dffa26b494fec208c6d0317.png) | Is the invasion good? |
This is a fairly fundamental position in contemporary go. The white stones on the outside may well be weak, but both players ought to be well-informed about the status of the 3-3 invasion at . Can it live?
![[Diagram]](../../diagrams/1/8424c813fd6b38dc90faaab5f822d6c3.png) | Ordinary answer |
here must be counted as the typical answer. Alternatively, Black might block at a allowing White to connect out (nearly) at , which is purely defensive; Black might play at b which attempts to kill the corner but is bad shape; or play c, then a, which gives away eye shape to White's outside group.
Q: Can't black also answer at d?
![[Diagram]](../../diagrams/3/20a9e0958271bbe037ad105698793907.png) | Avoiding the overplay |
Now is usual and is probably correct shape: to play at a allows White to push through and cut, and is potentially an overplay unless Black is very strong locally[1]. But there are still difficult tactics possible after .
![[Diagram]](../../diagrams/50/09d92e4438193d25d030049c319d06a9.png) | Causing trouble |
White has the idea of playing at here. White could simply live now, but this sets off tactics, assuming Black plays out of fighting spirit. White cuts at .
![[Diagram]](../../diagrams/5/80fb1cae8e579ed2228ab6e7ff01bb7d.png) | One way to fight |
If Black plays , White will play and matters become difficult.
![[Diagram]](../../diagrams/21/05f68ba77352160d3d03b5bb40550006.png) | Another way to fight |
Black has the other option, of playing at first to see what White does. If then Black will set up the cut at b to break out. This is a tough fight.
[1]
![[Diagram]](../../diagrams/34/93f41db7476afa9763bab128406ab27f.png) | The overplay? |
If Black does block with here, White cannot quite live in the corner. On the other hand White now has a choice of sharp ways to play.
![[Diagram]](../../diagrams/20/ad5bf01d3c0046b506e985c588699ef4.png) | Not quite alive, but ... |
White and aren't quite life in the corner, yet. But the cutting point at a is serious for Black. Note that White at b has a big effect in life-and-death here.
![[Diagram]](../../diagrams/48/b3ff6435c74ab6e1a8f12c20224a3bb4.png) | As before |
White can also play this way, a transposition into the variation considered earlier.
Author: Charles Matthews
Path: DiagonalAttachmentPath
· Prev: 44PointLowApproachLowExtensionTenuki · Next: 4463EnclosureSecondLineDiagonalAttachment
Path: InvasionItinerary
· Prev: Butterfly · Next: BeginnerSQuestionAboutInvasion
This is a copy of the living page
"4-4 point low approach low extension tenuki, diagonal attachment, 3-3 invasion" at
Sensei's Library.
2004 the Authors, published under the OpenContent License V1.0.
|