buggnubg - Bugs: bug #38138, "take or pass" cube...

 
 

bug #38138: "take or pass" cube evaluation functionality is buggy or simply unimplemented in gnubg-cli.exe

Submitted by:  sorin <sorinpop>
Submitted on:  Mon 21 Jan 2013 07:26:35 PM UTC  
 
Originator Name: sorin popItem Group: Other bug
Category: EvaluationsRelease: 0.90-devel
Privacy: PublicOperating System: Windows XP
OS Type: 32BitProcessor Type: AMD
Severity: 3 - NormalOpen/Closed: Closed
Assigned to: NonePriority: 5 - Normal
Status: None

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Fri 07 Jun 2013 07:56:37 AM UTC, comment #2:

I believe this a matter of the documentation being incorrect and that the players are reversed.

Michael Petch <mdpetch>
Project Administrator
Thu 28 Feb 2013 04:04:03 AM UTC, comment #1:

For some reason I didn't receive an email notification of this bug report. Were you able to resolve the issue? My first question would be what version are you using? And is it possible you have the players reversed?

I don't believe there is a bug at present that would prevent a cube action from being reported wrong.

Michael Petch <mdpetch>
Project Administrator
Mon 21 Jan 2013 07:26:35 PM UTC, original submission:

Hi, gnubg-cli.exe seems to be working wrong when I am sending it a FIBS board which needs a take or pass cube decision evaluation. I build the FIBS board string so that the "was doubled" value is set to one, that's how gnubg-cli.exe knows that it has to make a take/pass decision. And it seems to recognize that, it's only that it seems that it is always returning the reply "take", even for obvious "pass" board states. I never saw it return one "pass", and it never seems to "think" on it, even if it uses the analisys settings and those are set to a high standard (at least 3 plies, pruning, etc.), it just always returns a "take" right away. So my guess is that it is either a bug, or this feature is just simply not implemented in gnubg-cli.exe, it just doesn't call GNU backgammon's appropriate cube evaluation functions. Any feedback would be very welcome, even if just a confirmation of my guess. Of course, if this could be also fixed, would be just great!

Here is an example of an obviously "pass" board state, you can test it with this, if you send this string to gnubg-cli.exe with some simple socket tester program:

board:dianepop:opponent:7:0:0:0:2:2:1:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:1:1:0:-1:0:0:0:0:1:1:1:1:1:-1:0:25:0:0:0:0:2:0:0:0

sorin <sorinpop>

 

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  • -unavailable- added by mdpetch (Posted a comment)
  • -unavailable- added by sorinpop (Submitted the item)
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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 07 Jun 2013 07:56:37 AM UTCmdpetchOpen/ClosedOpen=>Closed

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