buggnubg - Bugs: bug #34515, Locked without possible move

 
 

bug #34515: Locked without possible move

Submitted by:  None
Submitted on:  Mon 10 Oct 2011 04:25:45 AM UTC  
 
Originator Name: Marcelo GhelmanOriginator Email: -unavailable-
Item Group: Other bugCategory: Other
Release: 0.90-develPrivacy: Public
Operating System: LinuxOS Type: 32Bit
Processor Type: IntelSeverity: 3 - Normal
Open/Closed: ClosedAssigned to: None
Priority: 5 - NormalStatus: Invalid

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Mon 10 Oct 2011 05:09:48 AM UTC, comment #1:

Howdy Marcelo,

First I have attached a photo of the original position before you tried moving the 6 from the 9pt to the 3pt. This position is GNUBGID: 3G0AwwLveyAAIA:cAnvAAAAAAAE

This isn't a bug, but is related to a rule in Backgammon that says if you make a roll BOTH dice must be used (if possible). You moved the six from the 9pt to the 3pt, BUT this doesn't allow you to use the three. However you can use both dice if you move from the 24pt to the 18pt, and then move from the 18pt to the 15pt. This is actually the only valid move. To undo your move from 9 to 3 you can use Control-Z or drag the piece you put on the 3pt and put it back to the 9pt and then make the legal move above.

More about this rule (and others) can be found here: http://www.bkgm.com/rules.html . In particular the rule that comes into play can be found at that link under "Movement of the Checkers" that says:

"4. A player must use both numbers of a roll if this is legally possible (or all four numbers of a double). When only one number can be played, the player must play that number. Or if either number can be played but not both, the player must play the larger one. When neither number can be used, the player loses his turn. In the case of doubles, when all four numbers cannot be played, the player must play as many numbers as he can. "

(file #24125)

Michael Petch <mdpetch>
Project Administrator
Mon 10 Oct 2011 04:25:45 AM UTC, original submission:

My move, I got 6 and 3.
I made first move, second one not available.
Gnubg stay locked waiting for my move.
Screen shot attached.

Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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Attached Files
file #24125:  mustusebothdice.JPG added by mdpetch (34KiB - image/jpeg)
file #24124:  gnubg-bug.jpg added by None (133KiB - image/jpeg)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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  • -unavailable- added by mdpetch (Updated the item)
  • -unavailable- added by None (Submitted the item)
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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon 10 Oct 2011 05:09:48 AM UTCmdpetchAttached File-=>Added mustusebothdice.JPG, #24125
      Open/ClosedOpen=>Closed
      StatusNone=>Invalid
    Mon 10 Oct 2011 04:25:45 AM UTCNoneAttached File-=>Added gnubg-bug.jpg, #24124

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