4463 enclosure second-line side attachment

    Keywords: Joseki

Table of contents Table of diagrams
reference diagram
white wedges
wedge and cut
continuation
wedge and block
white extends

[Diagram]

reference diagram

This position arises from 4463 enclosure 2-5 approach. White can wedge at a or extend at b. W3 at c is a trick play which requires knowledge of a clever tesuji to refute.


Wedge

[Diagram]

white wedges

Black will usually cut at a, but the block at b is also possible.


Cut

[Diagram]

wedge and cut

There is no choice for W3 and B4, but W5 is sometimes played at W7 instead.

[Diagram]

continuation

This is the most common continuation, but W5 may be played at a or elsewhere, and B6 can be played at a.

%As seen in the 58th [Honinbo] final, game 1.
% also in many other games--why should the honinbo final rate a special mention? It wasn't the first time this was played.


Block

[Diagram]

wedge and block

Playing B2 seems to lack fighting spirit, but it is sometimes seen. After W3 and B4, white should continue at W5. It's vital shape point. If White omits the move, black pushes at the point, and it's actually like hitting the head of 2 white stones , very painful for white.


Extend

[Diagram]

white extends

Black will nearly always defend at B2. The following moves depend on the surrounding position, but white will probably play at a or b next, then black can either continue to attack the white group or else tenuki.


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