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Re: [Bug-gnubg] wrong

From: Michael Petch
Subject: Re: [Bug-gnubg] wrong
Date: Fri, 12 Dec 2014 17:42:00 -0700
User-agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0

On 2014-12-12 11:44 AM, Ehsan Dastani wrote:
> hi  please see 4th game  (move no 51 from gnu )gnu has  3_1 and game is 100% 
> gammon but !!!!!!??????

The cube is on 2 GNUbg is leading 3-2 in a 5pt match. That means that
all it needs to do is win. You have no way to win and GNUbg to lose.
since the bot sees that it will win no matter how it plays. To the bot
the two plays are tied so whichever one happens to be at the top of the
list will get played. In this case it played the 31 by only taking one
off where it could have taken two off. To the computer whichever play is
made it will win so it didn't care.

Michael Petch
GNU Backgammon Maintainer / Developer
OpenPGP FingerPrint=D81C 6A0D 987E 7DA5 3219 6715 466A 2ACE 5CAE 3304

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