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AttachExtendJoseki
TsukeNobiJoseki

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4-4 point low approach, tsukenobi
PageType: Path   Difficulty: Intermediate   Keywords: Joseki

[Diagram]
Tsuke-nobi

The tsuke-nobi (or attach-and-extend) joseki is formed by the moves to B4 in this diagram.

Its name comes from Black's plays in this diagram: B2 is a tsuke (attachment), and B4 a nobi (stretch).[1]



The tsuke-nobi itself is mostly popular among weaker players, but for stronger players it is still a good idea if Black wants to build thickness towards the left side, and does not mind giving White a position on the upper side. In other words, Black regards the left side as more important than the top. Often, but certainly not always, there will be a black stone around the marked point. After B4, White at b, d, e and f are all joseki.

In pro games it is now rare unless justified by the context: either Black getting a very efficient formation relative to the left side, or White getting an overconcentrated formation at the top.

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Tenuki next for White isn't a good idea at all. If, for whatever reason, White allows Black to play the next move here, Black should not hesitate to play b. The resulting shape is very good.


[1] There are certainly other joseki possible after B2. White can for example turn inward at a instead of W3, provided the ladder is good for her. Black has the choice to play at b (tsuke-osae taking territory) or c (see attach-cut) making the position of both players strong and thick) instead of B4. See also BQM 97 and immediate 3-3 invasion.



This is a copy of the living page "4-4 point low approach, tsukenobi" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.