3-4 point low approach diagonal - Whole board analysis

   

When to play it?

[Diagram]

Kosumi

With White's star point stone in the top left a white play at a would force Black into a low position across the right and build some influence facing the star point. Similarly, Black playing b, for example, would allow White to force around a. So instead Black plays a to move up to the fourth line and try to combat White's development.

[Diagram]

Black tenuki

Here Black allows White to play here. White is developing nicely.

[Diagram]

Kosumi

If Black plays the kosumi, a simple elegant move, White's position is not so good (W2 at b may be better?). Black can complete the shape with a move around a.


This is a copy of the living page "3-4 point low approach diagonal - Whole board analysis" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.
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