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Subject: Re: Fritz is a GM

Author: Shaun Graham

Date: 11:52:02 07/13/98

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>>
>>
>>No Hyatt your logic is flawed.  First of all i didn't say anything about as you
>>put it "MANY GM's", The truth is however that there are some and i would gather
>>a good number.  Another thing when people use that statistic about how many
>>times you should statistically beat someone, it really isn't considering that if
>> I am playing a certain number of games against a single person, or wether i'm
>>playing against several people of that rating and what the effect is.  I myself
>>have just recently played a match with an INDIVIDUAL 200 points below me , i
>>beat him perfectly, , besides that, i have beat him 14 times straight! I would
>>bet that's a bit beyond statistical error.
>
>your point would be?  if you beat him less then 3 of every 4, I'd be concerned
>that his rating was too low or yours was too high.  As it is, either yours is
>too low, or his is too high, because if he is winning none, he is way over 400
>Elo points worse than you...

No he is not 400 points below me in fact he has been improving very fast.  i
beat him because i'm better.  plus
>
>
>>
>>Further i never said that computers weren't getting busted badly, because they
>>are, but you simply overlook anti computer strategy.  As i said if i played in a
>>Swiss system tourney recieving moves from fritz, without people adopting their
>>anti Computer strategy, they would play normally, allow the positions to get
>>open,play for tactics, and then bye-bye i'd have the norm.  Further i wasn't
>>talking about computers in general, i was talking about Fritz.  I already know
>>or i shall say that i've heard, that you don't like the way fritz plays.
>>However to pull your own tactic, according to the STATISTICS of both selctive
>>search, and SSDF fritz is the strongest program.  Further people who understand
>>chess much better than you, me and most people GM Yermolinsky, and i also
>>believe Anand believe Fritz to be the strongest commercially available program.
>>
>
>
>it probably is the strongest available.  But it is also the worst at defending
>against "anti-computer" strategy.  And whether it would do better "incognito"
>isn't an issue, because it can't play like that.


 The point was never to make it an issue, but to show that you can't truly know
what type of result  a Chess program would know without computer bias by the
opponent.

And if it can't,
??? Thus by this admission are you admitting that without anti computer chess
techniques it would win?

 it is going
>to get eaten alive by GM's...

What

>
>
>>Of course neither you and i can prove wether fritz is a GM strength or not,
>>without actually testing fritz in actual tournament play(I believe that this
>>would also have to be done just as i said in a secret way with an individual
>>recieving moves from fritz, to avoid bias, so that players would play the way
>>they do normally).  It is none the less, my belief that indeed Fritz(current
>>version) could perform well enough, to eventually recieve 3 GM norms in 5
>>Years(the time in which one must obtain all 3 norms)playing on the europeon
>>swiss circuit of chess.
>
>
>
>That's an invalid way of testing.
  Everything has to be out in the open,

Quite incorrect!!  It always depends on what you are testing, and what you are
trying to find out.  In this case since it is known that knowledge by the
opponent that he/she is playing a computer effects how they normally play, you
would never know how good at playing against standard chess a program is.  What
you WOULD BE TESTING, is how the program plays against anti-conventional methods
of play(anti-computer strategy).

>human GM has to know he's playing a computer (although if you make the match
>last 24 games, Fritz would get destroyed no matter what because the GM would
>"figure out it's a computer" after just a very few games, and then it would be
>over...

Hyatt you may be a computer scientist, but apparently your education in
experimental scientific technique is limited.  If you are trying to test a
programs to find its strength in real tournament chess, against normal chess
play.  Then it is of UTMOST IMPORTANCE to eliminate the bias.   When a player
knows he is playing a computer, the tester of such an event can not know that
this information is not skewing the behavior of the player, and thus the
results.  So you can not know how strong the program is against standard chess
play.  What you would be fnding is that against anti-typical chess play, the
program does not perform effectively.  Further, If a person was playing an
opponent with no expectation that they were a computer, NO, they would not think
it was a computer.  If i was feeding Shirov moves from Fritz, for his match
against Kasparov.  Kasparov would never think shirov was cheating!  He would
just think that shirov was playing considerably worse chess than usual(for the
reason that kasp and shirov are of course much better than fritz or the average
GM).  Just for arguement sakes, say the grandmaster did find his opponent was
using a computer, again you would be observing how a program plays against
anti-computer chess, something that does not occur in standard chess play.



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