3-4 point high approach outside contact, tsukehiki extend up

  Difficulty: Intermediate   Keywords: Joseki
Tsukehiki, White extends into the centre  

The intention of W6 is (quite obviously) to build influence toward the center. White is however granting Black quite a large corner territory.


The joseki continues with B1 through B7 (it is very unlikely that Black will play tenuki instead of cutting; W2 at B7 is a fighting move only available when White is already strong to the right).

tderz: I think that a positive white ladder is necessary for dealing with the cutting point a.
My question: can one then say, playing the shape move b is too slow and not honte?

Stretching down - not giving atari

stretching down, not atari  

tderz: just stretching down, i.e. not giving atari is possible too. Again the ladder should be positive I think
(although now White has a loose ladder starting with b).
I think this W6 should only be played with some white stone(s) in the top right corner.
Question: could one then extend to W6 if the ladder is not working, but one has stones in the top right?

Would that be sufficient to be good?

Black takes the corner territory, White gets influence towards the top and the center. Clearly the cutting point at a makes an important ladder relationship, now.

White presumably thought about this ladder before choosing this variation, with W6 in the first diagram: making this a ladder strategy.

Sente? (Black 3 tenuki, Black 9 connects)  

B1 instead of B5 from the previous diagram might seem better, taking sente, but if Black actually does play tenuki, W4 through W10 gouges out Black's corner.

Taking away the corner territory (and even the eyespace) is larger than a black move elsewhere would be. (See though tenuki is always an option.)

-- AndreEngels

See Also: BQM 309 and Joseki in Context

3-4 point high approach outside contact, tsukehiki extend up last edited by velobici on July 10, 2006 - 20:36
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