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[Bug-gnubg] Re: GNU

From: Achim Mueller
Subject: [Bug-gnubg] Re: GNU
Date: Tue, 21 Dec 2004 13:41:43 +0100
User-agent: Mutt/1.5.6i

Hi Paul,

sorry to answer so late, but I was very busy the past few days.

* Paul Rothenberg wrote on 19 Dez 2004:

> Hi,
> I'm new to the BG world and trying to learn via GNU.  My question is that 
> when using the Tutor mode I am unable to find and explanation of why a 
> particular move is better that another.  As I understnad it now GNU has 

Well, what you suggest or expect will be possible probably within
the next fifty years ;-). AFAIK nowadays there is no computer program 
(concerning games) that is able to give "human readable" explanations.

For now I can only advice you to read 1 or 2 good backgammon books
(start with Paul Magriels "Backgammon") and try to understand the
game. Sooner or later you will be able to see more and more, why GNU 
Backgammon does like a certain move.

You will build a catalogue of items like

- number of shots
- number of blots
- number of making a certain point
- good attack
- good defence anchor
- timing
- type of strategy

and keep a number of reference positions (based on computer
rollouts, on reading books and based on intuition. Comparing this
"catalogue" with a certain position will help you to "selfexplain" a

> rolled numerous times and the move it likes is the one that comes out the 
> best out of X number of rolls.  Is there something else that explains the 
> logic behind a particular move?  Tks in advance

Not exactly. GNU Backgammon uses an engine that is based on some 
positions which are rolled out millions of times. Google for neural
nets in computer games and you will find more.



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achim mueller, anne-frank-str. 25, D-48431 rheine
+49 (0)5971 83767, +49 (0)163 8458340
pgp/gnupg key: 1024D/5DF3A722 (wwwkeys.de.pgp.net)

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