RE: [Bug-gnubg] Game Statistics

[Albert Silver]

> -----Original Message-----
> From: address@hidden [mailto:bug-gnubg-
> address@hidden On Behalf Of Joern Thyssen
> Sent: Sunday, August 10, 2003 9:58 AM
> To: Christopher D. Yep
> Cc: address@hidden
> Subject: Re: [Bug-gnubg] Game Statistics
> 
> On Sun, Aug 10, 2003 at 02:55:20AM -0400, Christopher D. Yep wrote
> > Within a match, gnubg gives game statistics.  However the last 3
lines
> of
> > the game statistics may be confusing to users (see below).  While I
> don't
> > consider it a "bug", perhaps we can debate a possible change.
> 
> There is actually a bug. When one or more games are not properly
> "finished", e.g., no resignation is recorded, gnubg will include the
> luck from these games in the luck adjusted result.
> 
> Three solutions:
> 
> (a) calculate an actual result from unfinished games by using a 0-ply
>     evalution
> (b) exclude luck from games where no winner is recorded
> (c) try to calculate the actual result based on the score from the
>     following game
> 
> Without much thought (b) seems to be easiest to implement.

I like (c) since this would effectively kill the problem. The matchfile
I have for the WC is full of "unfinished" games, so this creates
problematic statistics even though the score is correct in the next game
as well as the final score.

                                                Albert

> 
> [snip]
> > 3. The above is from a 7 pt. match.  A 55.17% to 44.83% edge in a 7
pt.
> > match corresponds to a 68.16 point rating edge (i.e. 34.08 to
> > -34.08).
> 
> Yes, Kees van Doel has suggested to change this to
> 
> FIBS Rating difference:  68.2
> 
> instead of the relative ones reported now.
> 
> Jørn