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.



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Attach Files:

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


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  • -email is unavailable- added by plm (Posted a comment)
  • -email is unavailable- added by None (Submitted the item)

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    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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