Re: CGOS source on github

Claude Brisson via Computer-go <[email protected]> Fri, 22 Jan 2021 14:15:24 +0100
Newsgroups gmane.games.devel.go
Message-ID <[email protected]> 
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Hi. Maybe it's a newbie question, but since the ladders are part of the 
well defined topology of the goban (as well as the number of current 
liberties of each chain of stone), can't feeding those values to the 
networks (from the very start of the self teaching course) help with 
large shichos and sekis?

Regards,

   Claude

On 21-01-22 13 h 59, Rémi Coulom wrote:
> Hi David,
>
> You are right that non-determinism and bot blind spots are a source of 
> problems with Elo ratings. I add randomness to the openings, but it is 
> still difficult to avoid repeating some patterns. I have just noticed 
> that the two wins of CrazyStone-81-15po against LZ_286_e6e2_p400 were 
> caused by very similar ladders in the opening:
> http://www.yss-aya.com/cgos/viewer.cgi?19x19/SGF/2021/01/21/733333.sgf
> http://www.yss-aya.com/cgos/viewer.cgi?19x19/SGF/2021/01/21/733301.sgf
> Such a huge blind spot in such a strong engine is likely to cause 
> rating compression.
>
> Rémi
>
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> Computer-go mailing list
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    <p>Hi. Maybe it's a newbie question, but since the ladders are part
      of the well defined topology of the goban (as well as the number
      of current liberties of each chain of stone), can't feeding those
      values to the networks (from the very start of the self teaching
      course) help with large shichos and sekis?</p>
    <p>Regards,</p>
    <p>  Claude<br>
    </p>
    <div class="moz-cite-prefix">On 21-01-22 13 h 59, Rémi Coulom wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CANs0NNUPXC0V9nAXByK6KnT--e+Q6-b+hKAX509rs18kv7JEpA@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div>Hi David,</div>
        <div><br>
        </div>
        <div>You are right that non-determinism and bot blind spots are
          a source of problems with Elo ratings. I add randomness to the
          openings, but it is still difficult to avoid repeating some
          patterns. I have just noticed that the two wins of
          CrazyStone-81-15po against LZ_286_e6e2_p400 were caused by
          very similar ladders in the opening:</div>
        <div><a
href="http://www.yss-aya.com/cgos/viewer.cgi?19x19/SGF/2021/01/21/733333.sgf"
            moz-do-not-send="true">http://www.yss-aya.com/cgos/viewer.cgi?19x19/SGF/2021/01/21/733333.sgf</a></div>
        <div><a
href="http://www.yss-aya.com/cgos/viewer.cgi?19x19/SGF/2021/01/21/733301.sgf"
            moz-do-not-send="true">http://www.yss-aya.com/cgos/viewer.cgi?19x19/SGF/2021/01/21/733301.sgf</a></div>
        <div>Such a huge blind spot in such a strong engine is likely to
          cause rating compression.</div>
        <div><br>
        </div>
        <div>Rémi<br>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
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