buggnubg - Bugs: bug #16084, Checker play rollouts started from...

 
 

bug #16084: Checker play rollouts started from the CLI can give wrong results

Submitted by:  Philippe Michel <plm>
Submitted on:  Mon 13 Mar 2006 10:20:31 PM UTC  
 
Originator Name: Philippe MichelItem Group: Other bug
Category: RolloutsRelease: 0.14.3-devel
Privacy: PublicOperating System: FreeBSD
OS Type: NoneProcessor Type: None
Severity: 3 - NormalOpen/Closed: Closed
Assigned to: NonePriority: 5 - Normal
Status: Confirmed

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Wed 23 Aug 2006 03:14:51 PM UTC, comment #4:

Fixed in CVS

Christian Anthon <c_anthon>
Project Administrator
Tue 22 Aug 2006 08:13:59 AM UTC, comment #3:

The patch works for me! Could you recheck Jon?

Christian.

Christian Anthon <c_anthon>
Project Administrator
Tue 30 May 2006 02:47:43 PM UTC, comment #2:

The fix didn't seem to work for me. This looks to me like it could be the rollout settings (truncating because it's in the database or non-cubeful)?

Jon Kinsey <Superfly_Jon>
Project Administrator
Tue 11 Apr 2006 08:32:02 PM UTC, comment #1:

I think the attached patch fix this bug.

Philippe Michel <plm>
Project Member
Mon 13 Mar 2006 10:20:31 PM UTC, original submission:

It seems that checker play rollouts started from the command line interface do not take into account that the opponent can double at his next turn.

For instance, if one rolls out the 2-rolls position (position ID GwAAYAMAAAAAAA, centered cube, 2-1 to play) from the GUI, one gets, as expected, the following cubeful equities :
2/off 1/off 0.72
2/off 2/1 -1.00 (since opp. will double us out)

On the other hand, if one types the following commands in gnubg -t or loads them in the GUI with Open Commands :

set player 0 human
set player 1 human
new session
set board GwAAYAMAAAAAAA
roll (choose 2 1 when asked)
hint
rollout =1 =2

one gets as cubeful equities :
2/off 1/off 0.72
2/off 2/1 -0.71 (opp. didn't double!)

Philippe Michel <plm>
Project Member

 

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Attached Files
file #9769:  gnubg.c.patch added by plm (1KiB - application/octet-stream)

 

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Follow 3 latest changes.

Date Changed By Updated Field Previous Value => Replaced By
Wed 23 Aug 2006 03:14:51 PM UTCc_anthonOpen/ClosedOpen=>Closed
Tue 25 Apr 2006 07:18:48 PM UTCc_anthonStatusNone=>Confirmed
Tue 11 Apr 2006 08:32:03 PM UTCplmAttached File-=>Added gnubg.c.patch, #9769

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