Re: [Bug-gnubg] strange double in match

[Joseph Heled]

First time I see such a ridiculous evaluation :(
I think it was a mistake to use the crashed net when op (non crashed) is holding
the 24 point.

However, changing this requires a lot of work, because I have to rebuild a net
for both cases. My linux laptop has fried it's motherboard (only 1.5 years old,
out of warranty), so I am not sure when I can continue working on that because I
am not going to pay 2400$NZ to fix it when a new one costs about the same ...

-Joseph


> "Øystein Johansen" wrote:
> 
> On Tue, Jun 11, 2002 at 12:32:26AM +0200, Achim Mueller wrote:
> > Hi folks!
> >
> > Match to 7, O(me) needs 3, X(gnubg) needs 3, cube centered
> >
> >     GNU Backgammon  Position ID: bgAAALYOjAoMAA
> >                  Match ID   : MAHgAEAAIAAA
> >     +24-23-22-21-20-19------18-17-16-15-14-13-+
> >  OO | X  O  O          |   | X  X  X        X |
> >  OO | X  O  O          |   |                X |
> >  OO |    O             |   |                  |
> >  OO |                  |   |                  |
> >  OO |                  |   |                  |
> >     |                  |BAR|                  |v
> >     |                  |   |                  |
> >     |                  |   |                  |
> >     |                  |   | X                |
> >     |          X  X    |   | X                |
> >     |          X  X  X |   | X                |
> >     +-1--2--3--4--5--6-------7--8--9-10-11-12-+
> >
> > In this position gnubg doubled as X ??? Settings: 2ply,8 c. 0,160 s.t.
> 
> Ha Ha Ha!!! It even says 'pass' at 0-ply!
> 
> My 2-ply evaluation says:
> 
> Evaluator:      CRASHED
> 
>         Win     W(g)    W(bg)   L(g)    L(bg)   Equity  (cubeful)
> static: 0.991   0.000   0.000   0.009   0.009   (+0.948  (+1.000))
>  1 ply: 0.091   0.000   0.000   0.769   0.093   (-2.280  (-2.242))
>  2 ply: 0.119   0.000   0.000   0.798   0.136   (-2.377  (-2.309))
> 
> No double           : -2.309
> Double, pass        : +1.000   (+3.309)
> Double, take        : -3.854   (-1.545)
> 
> Correct cube action: No double, take
> 
> Are you sure you use 2-ply for cube decisions?
> 
> At least this shows that the CRASHED network is a bit of in this
> position. Will there be any upgrades of the nets Joseph, or have you
> reached a point where it's too hard to improve?
> 
> > BTW, in linux it's not possible to copy a position using the menu. You
> > have to enter the command "copy" in the terminal to get the ascii-board.
> 
> Not in Windows either. Should the copy option of the pulldown menu
> be connected to the 'copy' command?
> 
> (Actually there should be 'copy ascii', 'copy html' and 'copy latex' etc)
> 
> The reason I didn't connect the menu to the command, was that I was under
> the impression that Gary had some kind of other plan with that menu option.
> 
> Right Gary?
> 
> -Øystein
> 
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