buggnubg - Bugs: bug #45618, resign (normal) isn't accepted...

 
 

bug #45618: resign (normal) isn't accepted when it should be

Submitter:  None
Submitted:  Fri 24 Jul 2015 03:22:34 PM UTC
   
 
Originator Name:  Tim Leonard Originator Email:  * -email is unavailable-
Item Group:  Other bug Category:  Evaluations
Release:  * 1.04-Release Privacy:  Public
Operating System:  All Severity:  3 - Normal
Open/Closed:  Open Assigned to:  None
Priority:  5 - Normal Status:  Confirmed
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Mon 27 Jul 2015 08:39:51 PM UTC, comment #1: 

The resignation is evaluated at 0ply, which is not perfect. in the attached game it thinks player 1 loses 0.02% gammons.

Evaluating it at 2ply would do the right thing here (but it is not perfect either and could miss other cases, although surely many less than 0ply).

I think the choice of 0ply is from when CPUs were much slower and the idea was to avoid causing a delay when the user wants to finish the game quickly. Nowadays 2ply would probably be fast enough, or we could do something like : 0ply, if accept, we're done, if not reevaluate at deeper ply.

Philippe Michel <plm>
Group administrator
Fri 24 Jul 2015 03:22:34 PM UTC, original submission:  

On my turn, when any roll will allow me to bear off at least one man (and then lose), my offer to resign (normal) should be accepted but is declined.

Anonymous

 

Attached Files

Attached Files
file #34508:  gnubg-Tim_7p_2015-07-24.sgf added by None (60KiB - application/octet-stream)

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    History

    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-07-27 plm Operating SystemMac OS X Mavericks All
        OS Type64Bit Any
        Processor TypeIntel Any
        StatusNone Confirmed
    2015-07-24 None Attached File- Added gnubg-Tim_7p_2015-07-24.sgf, #34508

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