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Re: [gnugo-devel] defend both, attack either, worms[], dragons[]
From: |
Gunnar Farneback |
Subject: |
Re: [gnugo-devel] defend both, attack either, worms[], dragons[] |
Date: |
Tue, 10 Dec 2002 23:15:40 +0100 |
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) |
Arend wrote:
> My experiments with revising the influence interface revealed some problems
> with "attack either" and "defend both" move reasons. I think the only way
> we will ever get their valuations right is by strictly using the
> following definition:
>
> 1. Both "attack either" and "defend both" must concern two tactically stable
> worms.
> 2. "attack either" means opponent cannot defend both worms at a time but could
> if we don't play.
> 3. "defend both" means opponent could play a move after which we cannot
> defend both (but we could defend each of them, of course -- otherwise the
> worms wouldn't be stable).
Sounds right.
> Hence I finally decided to kill both the worms[] and the dragons[] array,
> together with find_worm() and find_dragon(). They seem to be a relict
> from 2D-board times to me.
Yes, they are.
> (Well I see that this also gives some consistency with regards to the
> way connections, EITHER_MOVE data etc. is stored, but unless someone
> can convince of a good reason why this consistency is necessary I would
> really love to get rid of them.)
No, there's no substantial inherent value in that consistency.
/Gunnar
- [gnugo-devel] defend both, attack either, worms[], dragons[], Arend Bayer, 2002/12/10
- Re: [gnugo-devel] defend both, attack either, worms[], dragons[],
Gunnar Farneback <=
- Re: [gnugo-devel] defend both, attack either, worms[], dragons[], Gunnar Farneback, 2002/12/11
- Re: [gnugo-devel] defend both, attack either, worms[], dragons[], Arend Bayer, 2002/12/11
- Re: [gnugo-devel] defend both, attack either, worms[], dragons[], Gunnar Farneback, 2002/12/11
- Re: [gnugo-devel] defend both, attack either, worms[], dragons[], Arend Bayer, 2002/12/12