4463 enclosure second-line side attachment
Table of contents | Table of diagrams reference diagram white wedges wedge and cut continuation wedge and block white extends |
This position arises from 4463 enclosure 2-5 approach. White can wedge at a or extend at b. at c is a trick play which requires knowledge of a clever tesuji to refute.
Wedge
This is the most common continuation, but may be played at a or elsewhere, and
can be played at a.
Block
Playing seems to lack fighting spirit, but it is sometimes seen. After
and
, white should continue at
. 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
Black will nearly always defend at . 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.