BQM 314

There is a tesuji that I have seen in a number of joseki as an example of why a certain move does not work.

Here it is in a mistake in a pincer joseki...

And in the small avalanche, this will put white into a ladder.

Bill: Small avalanche? Doesn't White have an extra stone ()?

Now I understand that the tesuji works by threatening snapback, but can't the defender make trouble by playing a in the diagrams? Or, to be more precise with my question, how should the person using the tesuji respond?

This has been a problem for me where I cannot put the stone at a in a ladder because the ladder does not favor me in the small nadare.

I cannot play b because the ladder does not favor me.

zinger: In this diagram could be at c. The extra stone noted by Bill makes this sequence not really work for black.

Imagist: Ah, that makes sense, and now I understand why my opponent played there.

zinger: In this case, works. After , cannot profitably escape. White could also play at a, which eliminates aji on the outside, but leaves some on the inside (a black cut at ).

Path: <= Big Question Mark =>

BQM 314 last edited by Dieter on July 5, 2008 - 12:48

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