Squeeze tesuji in joseki
| Table of contents | Table of diagrams Does Black need to defend the cut at ''a''? White cuts White tries to break free Black squeezes Black squeezes Reference position Net Ladder |
This page serves as a comprehensive discussion of the squeeze in a reference position, which is the standard 3-3 point invasion joseki.
Reading question
The question is whether Black needs to defend against the cut at a. Superficially this may look like a ladder question, but...
Black has a clever defense if White cuts. He starts with an atari at
and then plays a net at
. There is no escape at a or b.
White plays atari at
, and again at
. The plan is to break free at b if Black a.
Reference position
For reference, the starting position is the result of this rather common san-san invasion under the black hoshi stone.
Alternatives
Another reply to the white cut is the net of
. This also captures
, but the firmer capture through the squeeze tesuji is better. See Lessons in the fundamentals of Go.
The ladder is an even worse way to capture
. Generally, capturing in a net (or another direct method such as the squeeze) is better than capturing in a ladder, because a ladder allows the opponent to play a ladder breaker, basically getting a free move elsewhere. See Net versus ladder.
![[Diagram]](../../diagrams/41/6c5eddc6a717266be7d6060bcd495b14.png)
![[Diagram]](../../diagrams/47/4b6e50a4386872572efc728fc305c4dc.png)
![[Diagram]](../../diagrams/39/34ff838c2fb535d9fdc341d39f4d2d05.png)
![[Diagram]](../../diagrams/41/ea66bfce433d9a38c656787f28264550.png)
.
![[Diagram]](../../diagrams/38/0da239b06ba4a1ec6efe051fd6862218.png)
, it is clear that the white ![[Diagram]](../../diagrams/8/3c1a55596f53ce7891d20920950ce9bf.png)
![[Diagram]](../../diagrams/14/dc0b4b42b1c140393e86cf6ac8097ad4.png)
![[Diagram]](../../diagrams/35/598be4c7d5832b26061bea640c4708bf.png)
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