4-5 point 4-3 approach inside contact

  Difficulty: Advanced   Keywords: Joseki
[Diagram]

Inside attachment

Black plays B1 to take up position on the side, and to keep WC under some pressure.

This choice of B1 may give the same final result as in a 3-4 joseki (3-4 point high approach, keima); with the difference naturally that here Black starts with sente and may end with it.

That happens when White now adds a stone at a. This is an important area, so White may play tenuki now and return to it shortly, at that point or one to the right. See 4-5 point 4-3 approach inside contact, follow-ups.

Instead of W4, White may on occasion extend further, to remain lighter here.

B5 is the popular choice of extension; the other circle-marked points are also used. If Black wants to start a fight instead of extending peacefully, b is the pro choice, though this is a rare strategy.

It is possible for White to play tenuki here after B1. See 4-5 point 4-3 approach inside contact, tenuki.[1]


Another sequence seen in pro play is the following:

[Diagram]

Pincer

B3 may also be played at 7 instead. The B7 - W8 exchange may be omitted.

Obviously this should only be played if W2 also serves as an extension.


[1]

Charles I still think this tenuki is 'quite common' (about 25% of the time) - edited out by mgoetze.


This is a copy of the living page "4-5 point 4-3 approach inside contact" at Sensei's Library.
(OC) 2007 the Authors, published under the OpenContent License V1.0.
[Welcome to Sensei's Library!]
StartingPoints
ReferenceSection
About