[computer-go] Metrics for good shape

[Andrés Domínguez]

2006/12/11, David Fotland <fotland at smart-games.com>:
> I don't think it's a good idea to evaluate based on shape alone.  Good shape
> is just shorthand for other aspects of a the position that can be evaluated.
>
> For example there are many times where it is good to make an empty triangle,
> so just saying empty triangles are bad is not a good evaluation.

Hai. One example is "nakade" shapes. Bad shapes are usually good for
nakade.

> The reason empty triangles are bad is that two stones share a single
> liberty.  That means that the group involved probably has one less liberty
> than it could have with a different move sequence.  Since groups with more
> liberties are stronger, the empty triangle is often bad.  But it's better to
> evaluate group strength directly, by counting and comparing liberty counts.

Empty triangle is also a "slow" move, if can connect, one point jump is usually
better because is faster.

Andrés