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Re: [Bug-gnubg] positive error rate bug
From: |
kvandoel |
Subject: |
Re: [Bug-gnubg] positive error rate bug |
Date: |
Thu, 11 Sep 2003 19:02:26 +0200 (CEST) |
On Thu, 11 Sep 2003, Joern Thyssen wrote:
> On Wed, Sep 10, 2003 at 11:10:38PM +0200, address@hidden wrote
> > This is version 1.1357 WinXP.
> >
> > Import bug2.mat. Analyse 2-ply. Look at stats: OK. Save game/session
> > as bug2.sgf. Open bug2.sgf. Look at stats: one error rate is positive.
> There is an illegal move in the file:
>
> 42) 43: 6/3 6/2 64: 25/19 20/16
> 43) 65: 4/0 4/0 65: 4/0 4/0
> ^^^^^^^^^^^^^^^^^
> illegal move
> Wins 2 points
>
> You'll also see a warning when you import the file.
>
> The problem was that gnubg added the illegal move to the move list and
> this confused it when it loaded the SGF file.
I hope you agree it's still a bug.
What is needed (at least if you want to do unsupervised batch analysis
of matches) is a format checking module on importing matches. If the
format is incorrect (and this happens a LOT when dealing with real-world
generated .mat files) the result should not be undefined or a crash, but
a failure to load plus the setting of a status flag which can be polled
from a script to detect load status.
Kees