Re: [Bug-gnubg] Wrong cube errors categories in analysis statistics panel

[Jim Segrave]

On Fri 03 Oct 2003 (07:40 +0000), Joern Thyssen wrote:
> On Thu, Oct 02, 2003 at 10:21:13PM +0200, Holger wrote
> > At 02:09 01.10.2003, Jim Segrave wrote:
> > 
> > >> Does someone know why getMatchPoints() does this and whether this is
> > >> intended?
> > >
> > >I can't reproduce this.
> > 
> > Here is an example:
> > Attached is a game with one wrong double and a missed double. To reproduce: 
> > run gnubg in gdb, set a breakpoint just after line 311 (the call to 
> > getMatchPoints), load the attached game, and invoke Analyse/Session 
> > statistics.
> > Here this gives for the wrong double (the first decision):
> > 
> > (gdb) p aaarPointsMatch
> > $2 = {{{0.26412797, 0.225260854}, {0.49239853, 0.49239853},
> >        {0.720825553, 0.785499096}, {0.969819069, 0.785499096}},
> >       {{0.279174447, 0.214500904}, {0.507601678, 0.507601678},
> >        {0.73587203, 0.774739146}, {0.984015822, 0.774739146}}}
> > 
> > Analyse/Market window (GUI version) with the wrong double selected gives:
> > Market window for player pl0
> >     Dead cube Fully live
> > TP   26.413%   21.450%
> > DP   49.240%   49.240%
> > CP   72.083%   77.474%
> > TG   96.982%   77.474%
> > 
> > Market window for player pl1
> >     Dead cube Fully live
> > TP   27.917%   22.526%
> > DP   50.760%   50.760%
> > CP   73.587%   78.550%
> > TG   98.402%   78.550%
> 
> Sorry, I've lost track of this thread. Where is the error in the numbers
> above?

Player 1 TG fully live is displayed as 78.550, player 0 TG fully live
as 77.474, but the values in aaarPointsMatch have the opposite assignment
> > 
> > Ok, I'll compare them with an entity of MWC. 
> 
> NO NO NO!
> 
> The values returned by getMatchPoints *must* be compared with a gwc,
> i.e., arOutput[ OUTPUT_WIN ]!!!!
> 
> The numbers above say that pl0 can take a double when he has a game
> winning chance of 21.450% - 26.413% depending on recube-vig. The numbers
> do *not* say anything about the MWC he must have to take!!!

Oops - thanks for the warning - you've probably saved Holger from a
lot of work just to introduce a bug.


-- 
Jim Segrave           address@hidden