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Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release
From: |
Christian Anthon |
Subject: |
Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release |
Date: |
Thu, 19 Mar 2009 10:55:13 +0100 |
User-agent: |
Thunderbird 2.0.0.19 (X11/20090105) |
Efe Arkayin wrote:
> Hi Joaquín,
>
> Glad that you were able to notice the same thing - at least I am not
> the only one suffering from this glitch :)
>
> Christian,
>
> Were you aware of this - is there already a rationale that explains
> this behavior (which means that I am missing something about the
> doubling theory) or is this indeed a bug that needs further inspection?
>
> Kind Regards,
>
> Efe
>
> --- On *Wed, 18/3/09, Joaquín Koifman /<address@hidden>/* wrote:
>
>
> From: Joaquín Koifman <address@hidden>
> Subject: Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release
> To: address@hidden
> Cc: "Christian Anthon" <address@hidden>, "Massimiliano
> Maini" <address@hidden>, address@hidden
> Date: Wednesday, 18 March, 2009, 11:55 PM
>
> Efe,
>
> Correct, that only happens when the cube has already been turned.
> The tutor doesn't inform about the mistake nor mark the move with
> yellow.
>
> Joaquin
>
>
> 2009/3/18 <address@hidden
> <http://uk..mc283.mail.yahoo.com/mc/address@hidden>>
>
>
> Dear Christian, Joaquín, Max,
>
> I just stumbled again upon a faulty "Too Good To Double" tutor
> error during one of my matches against Gnubg.
>
> Attached is the match file for your observation - I occured
> during Game 5. I knew it was too good to double anyway, but
> tried it just to see whether the tutor was going to stop me
> against committing this mistake. According to the anaysis
> pane, it was a blunder of 0.764 points magnitude marked with a
> big yellow!!! Obviously, Gnubg dropped it...
>
> I guess you can open the same file with your own Gnubg and
> then continue Game 5 from the Redouble move onwards. Please
> inform me how the match continues for you? Does the tutor warn
> you against the move or does it just go ahead with your
> decision just to let Gnubg pass the cube?
>
> I am now wondering with suspect, whether the tutor is not
> functioning correctly for "Too Good To Double" _when the cube
> is already turned_??? Anyone wanna comment on this??
>
> Kind Regards,
>
> Efe
>
>
>
>
>
> --- On *Sat, 14/3/09, address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>
> /<address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>/*
> wrote:
>
>
> From: address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>
> <address@hidden <http://co.uk/>>
>
> Subject: Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009
> release
> To: "Christian Anthon" <address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>,
> "Joaquín Koifman" <address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>,
> "Massimiliano Maini" <address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>
> Cc: address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>
> Date: Saturday, 14 March, 2009, 11:36 AM
>
> Dear Christian, Joaquín and all,
>
> I have some further diagnosis and observations since
> yesterday that I would like to share with you upon
> Joaquín's request:
>
> 8) I realize now that my older version (Sep-08) is
> analyzing the match "on-the-go" [player0, analysis and
> evaluation settings in both versions all set as checker
> play="supremo", cube play= "worldclass", tutor
> decision="same as evaluation"]. What I mean with this is
> that when I for example make a very lucky, very unlucky,
> doubtful, bad, very bad move etc, I immediately see its
> effects (bold, italics, colored etc.) in the "Game Record"
> panel after I confirm my move by clicking on the dice.
>
> On the other hand, the newer version (Mar-09) does not do
> this "on-the-go" analysis right after the move. All
> comments (bold, italics, bad, very bad, lucky, unlucky
> etc.) only appear in the "Game Record" panel, if and only
> if you perform a full analysis of the match afterwards. In
> addition, the missing "delta equity" for each move with
> respect to the average dice roll in the parenthesis also
> appears surprisingly after the analysis!
>
> This is basically the reason why it is taking so short for
> the older version to analyze the match (since it is just
> analyzing gnubg's moves - half the work!), whereas the
> newer version starts everything from scratch. I
> double-checked the settings for everything and can assure
> you that they are the same. Does this mean anything to
> you? Do you encounter the same problem? Is it in anyway
> related to an already addressed error?
>
> A) After Joaquín's request, I tried to artificially create
> some "Too Good To Double" positions by using the edit
> mode. He is right - I could not see the problem at least
> in these examples anymore with Mar-09 version - maybe this
> problem also depended on the match scores when I
> encountered them in the past?
>
> Therefore, I assume for now that the Tutor works fine with
> the newer version regarding "Too Good To Double"
> decisions. If I ever encounter a similar error in the
> future during any of my matches, I will same the game and
> forward it as a concrete evidence for your inspection.
>
> C) As I wrote in my original mail, those cases were
> _definitely_ wins or losses for Gnubg and its equity was
> already probably -1.000 or +1.000. So Joaquín's argument
> makes sense. Since all possible moves are having the same
> equity value at that instant, Gnubg cannot differentiate
> between them and probably picks "any random" one amongst
> them. That's the only reasonable explanation for it.
>
> Kind Regards & Nice Weekend to all!
>
> Efe
>
>
> --- On *Fri, 13/3/09, Joaquín Koifman /<address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>/*
> wrote:
>
>
> From: Joaquín Koifman <address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>
>
>
> Subject: Re: [Bug-gnubg] Problems with Gnubg
> 04-Mar-2009 release
> To: "Christian Anthon" <address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>
> Cc: bug-gnubg-bounces+massimiliano.maini=amadeus.com
> <http://amadeus.com/>@gnu.org <http://gnu.org/>,
> "Massimiliano Maini" <address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>>,
> address@hidden
> <http://uk.mc283.mail.yahoo.com/mc/address@hidden>
> Date: Friday, 13 March, 2009, 2:24 PM
>
> Hi all,
>
> A couple of comments about some issues:
>
> 1) It's still not solved in the 20080313 version.
>
> 8) I think that what happened was that the match was
> already analyzed. 45 seconds is normal for an analysis
> while 5 seconds is very, very fast.. Could you try to
> reproduce it again, Efe?
>
> A) I couldn't reproduce neither in the 20080313
> version nor in the 20080304 one.
>
> C) Probably gnubg had already won the match or there
> was no posibility that it could save the gammon, in
> the examples you gave. Thus, the program made any move
> because the equities would be all the same. Could you
> check this also?
>
> Joaquin
>
>
>
>
>
Hi Efe,
I'll make sure that it works when I'm done with the hint changes. Thx,
for the report.
Christian.
- Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release, (continued)
Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release, Efe Arkayin, 2009/03/17
Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release, Joaquín Koifman, 2009/03/18
Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release, Efe Arkayin, 2009/03/19
- Re: [Bug-gnubg] Problems with Gnubg 04-Mar-2009 release,
Christian Anthon <=