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Re: RE: Re: FW: [Bug-gnubg] Interesting backgammon scoring system_OK?

From: Massimiliano . Maini
Subject: Re: RE: Re: FW: [Bug-gnubg] Interesting backgammon scoring system_OK?
Date: Thu, 21 Sep 2006 09:51:31 +0200

>Barclay Cooke and Rene Orlean wrote Championship Backgammon in 1980. It
>covered a "duplicate" match between the US (Barclay and Walter Cooke) and
>England (Philip Martyn and Joe Dwek). Of course the analysis is terrible
>modern standards, but the conclusion of the book is that duplicating dice
>across boards does not minimize luck.

Maybe I'm still under the influence of J.Bagai's funny comments on B.Cooke
plays (Classical Backgammon Revisited), but the simple fact tha B.Cooke
stated that it doesn't work makes me want to give it a try :))

[BTW, I don't have the book you refer to: is the "duplicate" match exactly
what I was proposing ? In my idea there was a single match, individual
were duplicated ...a deteministic player (eg a bot without noise) playing
against himself this way in a match will lead to a constant tie since score
would evolve in the same way for the two players]

>When early play diverges at the two
>tables, good rolls at one table can be terrible at the other. Imagine
>rolls 6-6 when on the bar at one table and racing at the other.

Well, you'll never factor out *all* the luck ... still, obvious plays
in similar situations will compensate. Strong opening sequences for
(assuming both players play them correctly).

Anyway, I don't see a way to investigate this beside using a bot, and it's
probably not worth the effort, especially since I'm happy with backgammon
as it is. Players complaining about luck should try chess or tic-tac-toe
... both with fair rules, players takes turns in starting, of course :))


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