Crane's Nest Tesuji

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  Difficulty: Introductory   Keywords: Tesuji

The crane's nest tesuji is a classic tesuji used to capture fleeing stones.

[Diagram]

White to capture the black stones

Black has just played B1, connecting (?) his three stones on the left with his centre group. How can White capture those stones?

[Diagram]

White 2 is tesuji

White W2 captures the stones with the crane's nest tesuji. (B7 at W2)



--MortenPahle

In Poland we call this tesuji kraszek (in English you could say crashek) after of Janusz Kraszek.

--Marcin Kaminski

Proverbs:


iopq: You can do a variation of this tesuji to four stones as well:

[Diagram]

White 2 is tesuji... as well I guess

you can learn a lot from tesuji even if you don't get to play those exact tesuji :)

Are you sure this works? I haven't read it out, but if black plays 3 at 6 or one to the right of 6 it is far from clear to me that he is captured...

Dieter: We can all learn a lot. One of the main things to learn in Go is that hwat you see is not always what you get. Hopes and guesses are no basic ingredients for tesuji.

GoJaC: I believe 3 at 6 works, but one to the right of 6 does not (black gets caught in a snapback). Is it cluttering this page if I demonstrate this here? Should this be taken to a discussion page? This is then not a Crane's Nest Tesuji...)

iopq: Added the stone in the original diagram.

[Diagram]

First Hmmmm

Velobici: I B1 in the diagram White 2 is tesuji... as well I guess correct? B1 there tries to move out on the side where White is stronger. Wouldnt it be better to move out where White is weaker?

[Diagram]

Second Hmmmm

[Diagram]

Third Hmmmm


unkx80: You want problems? You have problems!

Velobici: Problems, I got. More go problems, I appreciate ;)
Was I correct about the above diagram? At my level an error is always lurking nearby ready to pounce!

unkx80: I would say that you are correct. =)

[Diagram]

Problem 1. (White to play)

[Diagram]

Problem 1 solution

black is dead. W1 is tesuji. if black tries to escape at B2, white answers at W3. B4 useless since W5 is snapback (B6 W7 at b). if white plays 1 at 2 black can escape at 1 and whites cut at a would be atari after black plays b

greetings blacklabel (sometimes to be found on kgs :) )

[Diagram]

Problem 2. (White to play)

[Diagram]

Problem 2 solution

black is dead. white plays W1, B2 tries to escape, and W3 cuts.B4 useless, since W5 creates snapback(B6 W7 at b). note white has to attack from above. otherwise cutting stone (which would be at a is atari after black b and black can escape.

so 1 really is tesuji here, every other play lets black escape killing the 4 whites on the side and leaving the rest crumbled

greetings blacklabel (sometimes to be found on kgs :) )


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This is a copy of the living page "Crane's Nest Tesuji" at Sensei's Library.
(OC) 2005 the Authors, published under the OpenContent License V1.0.
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