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BQM81
  Difficulty: Beginner   Keywords: Joseki, Question

[Diagram]
Question

In my games Black 2 is often played . I have not found this move in joseki dictionaries. What is wrong with this move? What is the best answer?

Uwe


[Diagram]
Answer

White usually plays 3. The purpose of this move is to prevent Black making good shape, at the same point. Then Black usually extends to 4, a or b and White extends to 5 or c. This position is considered slightly preferable for White as the corner is still open for an invasion at the 3-3 point.

But if Black already has a stone in the region of 5 , the kosumitsuke Black 2 is recommended.

After B2 and B4, White can extend as far as W5, a perfect use of the wall W1+W3 (see extension from a wall). Therefore this way of playing isn't usually considered joseki for Black, unless there is a further black stone on the upper side that interferes with W5.


[Diagram]
Different situation

Here White has to undertake something to settle her stones while the black stones flow naturally from both sides.



See also kosumitsuke joseki where this question is taken from in the course of a WME. --Dieter



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