Angle play after diagonal attachment
The problem is with
. I (Charles) see this often when White enters Black's sanrensei. Black can get good territory by playing at a; while in a handicap game playing at b for influence is also good.[1]
If White really wants to make a base, playing
is better. The common play is c, but that can mean that White is driven out into the centre.
Fhayashi - This is suggested in The Power of the Star Point
Charles
is fine, but
is a bit heavy: try at a (or even b) instead.
Andy: Doesn't
give white the opportunity to make Immediate Life with c?
From Takemiya Masaki-Jiang Zhujiu 1988-08-21. Here
takes into account the earlier exchange of
and
to the right. White lives quickly (White 11 at d) and claims that Black is a little overconcentrated to the right. In return, Black can claim greater security on the left: to invade at e and get the answer Black f is seemingly a bad idea for White, seriously weakening her side group.
[1] Why is
bad? Please show an example.
![[Diagram]](../../diagrams/32/825a27d9f42c1f0f23c67c9601d90948.png)
Double hane continuation
In answer to
, Black has a choice of playing at
in this diagram, or this sequence to give White bad shape.
![[Diagram]](../../diagrams/51/eb5473a3e15963ce7f5fd97a395608fb.png)
![[Diagram]](../../diagrams/43/e875e7144e31cea9521b56e797eb0ae1.png)
![[Diagram]](../../diagrams/48/b46a5902be33ea9ada5b3cf373ebafc4.png)
![[Diagram]](../../diagrams/35/de51196239bb1f9aef4f7210a98511df.png)
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