But then you lose information on player-to-move, right?

On Dec 6, 2007 7:18 AM, Álvaro Begué <[EMAIL PROTECTED]> wrote:
> Oh, I see you have applied the symmetries, but not the swapping of roles.
> Still, this should probably be done and cut the number of gamma values in
> half.
>
> Álvaro.
>
>
>
>
> On Dec 6, 2007 7:13 AM, Álvaro Begué < [EMAIL PROTECTED]> wrote:
> > Thanks for the file! This should be very helpful when I try to reproduce
> results.
> >
> > It looks like you are not taking advantage of symmetries. For instance,
> > 88|0|17.033168
> > 88|1|12.263955
> > and
> > 164|0|17.388714
> >
> > 164|1|25.862695
> > Are identical except for swapping the roles of white and black (88 == 1120
> in base 4, 164 == 2210 in base 4), and therefore they should have the same
> scores. If you do take symmetries of this type into consideration, you'll
> reduce the number of gamma values you have to compute by a factor of almost
> 16 (8 symmetries in the D4 group, times 2 colors). This should result in
> faster learning and better estimates.
> >
> > Álvaro.
> >
> >
> >
> >
> >
> >
> > On Dec 6, 2007 4:28 AM, Lars <[EMAIL PROTECTED] > wrote:
> >
> > > While you can find the gamma-values of non-shape patterns in the paper
> > > of Remi, I can give you the list of shape-pattern gamma-values.
> > >
> > > The source-code is mixed with my engine-code, which i don't like to
> > > publish. But the algorithm is more or less easy to implement..
> > >
> > > I'll try to attach the file to this mail, if it don't work I send it to
> > > your address.
> > >
> > > The file have the following coding:
> > > It's a text-file with one pattern each line.
> > > Lines look as:
> > > Pattern-ID|Move-right(0=black, 1=white)|gamma-value\n
> > >
> > > The Pattern-IDs have the following coding:
> > > In the binary representation of the ID you have 2 Bits for every field.
> > > So you have 18 Bits at all.
> > > 00 = Empty, 01 = Black, 02 = White, 03 = Edge
> > > The pairs are ordered as:
> > > 1 2 3
> > > 4 5 6
> > > 7 8 9
> > > in the ID it is
> > > 123456789
> > >
> > > While you can rotate and mirror the patterns only one respresentation of
> > > the various possible representations is contained in the file.
> > >
> > > >
> > > > On Dec 5, 2007 3:17 PM, Lars <[EMAIL PROTECTED]> wrote:
> > > >         Thank you for your explanations!
> > > >         You were right, it was a bug, and now it works really fine.
> > > >
> > > > Are you (or Remi) willing to publish any of the following?
> > > > 1. Source code for extracting ELO ratings for moves
> > > > 2. Full list of gamma values, including patterns
> > > >
> > > >
> > > > Either of those would help kick start those of us that are just
> > > > starting to go down a similar road.
> > > > _______________________________________________
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> > > > computer-go@computer-go.org
> > > > http://www.computer-go.org/mailman/listinfo/computer-go/
> > >
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> > >
> >
> >
>
>
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