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Re: [gnugo-devel] mixed patch

From: Gunnar Farneback
Subject: Re: [gnugo-devel] mixed patch
Date: Fri, 26 Oct 2001 22:40:17 +0200
User-agent: EMH/1.14.1 SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.3 Emacs/20.7 (sparc-sun-solaris2.7) (with unibyte mode)

Inge wrote:
> I haven't looked at the actual patch yet, but doesn't this approach
> lead to combinatorial explosion?  Each attack and defense move reason
> is combined with a ko status for it giving very many move reasons
> which have to be treated separately in the code.

Yes, this doesn't scale very well if we make the ko analysis more

> Wouldn't a better approach be to have one attack move reason, and then
> a parameter which tells wether it works right out or if there is a ko
> involved?  This way it would also be easier to change our handling of
> ko once we decide to handle more than just two kinds of simple ko.
> Approach move kos and multi-step kos are just two examples.  We
> wouldn't want a separate move reasons for attacking a string with a
> two-step approach move ko, right?

I considered this kind of solution but decided that it wasn't worth
the effort at this time. It requires more recoding than it may seem.


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