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Subject: Re: Hello from Edmonton (and on Temporal Differences)

Author: José Carlos

Date: 03:50:20 08/06/02

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On August 05, 2002 at 17:39:46, Vincent Diepeveen wrote:

>On August 04, 2002 at 17:00:29, Jay Scott wrote:
>
>>On August 04, 2002 at 13:26:05, Vincent Diepeveen wrote:
>>
>>automatic tuning with temporal differences:
>>>it's a rude and primitif algorithm which can be considered lucky if the plus
>>>and minus sign are already guessed right.
>>
>>Gerry Tesauro might have something to say about that. :-)
>>
>>manual tuning:
>>>The pro's are not far off perfect tuning nowadays. Of course the parameters
>>>can get improved, but definitely not their tuning.
>>
>> You're making strong claims, but I don't see any reasoning to back them up. Can
>>you prove it, or are you blowing smoke?
>
>If i throw a few important values of diep in the autotuner i get
>weird values back.
>
>No one ever reported success. The only program which is so called
>a success i have seen with my own eyes on icc. in fact i've played against
>it with DIEP hundreds of games. I've in total seen about 500 games or so
>of the thing called knightcap.
>
>It wasn't true simply.
>
>tuning a bunch of parameters at a time isn't working. It's hard proof.
>a program that's outsearching opponents by 1 to 2 ply was getting
>smoked completely. a few years ago 2 ply was a lot.
>
>nowadays it says less obviously when you get above 10 ply.
>
>So you are having the move. Show me that it works!
>
>Get crafty source code. modify the tuning to crafty. There you go.
>Perhaps a week of work at most.
>
>I only see a lot of people chat about technical terms. 'back propagation'.
>Hehe. Lucky i forgot all those things.
>
>I know what it did for me and i know what it did for others. And i know
>it wasn't good.
>
>And it's very easy to realize why.
>
>It has no domain dependant knowledge, despite that patterns it is supposed
>to tune ARE domain dependant written.
>
>In short that's a contradiction which no tuner can make up for!
>
>Then we didn't hit the subject of granularity, making a method to draw the
>right conclusions out of a result and another zillion of things which are
>not able to do either :)
>
>The best example is book learning. Despite years of work the only thing
>book learning can do for you is repeat won lines and avoid lost lines.
>
>Smarter than that you can't get it!

  You should say "Smarter than that _I_ can't get it", if that is the case. But
_a lot_ of amateur are smarter than that. Mine is, and it's still far behind
others.

  José C.


>Have you ever thought of that, how much *effort* has been put in learning
>in chess the last years, and how little good results it has brought?
>
>Best regards,
>Vincent



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