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Subject: Re: There Is A 1/5 Chance That DJ 2003 Is As Good As DB '97. Amir Was Wrong!

Author: Graham Laight

Date: 02:44:14 02/06/03

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On February 06, 2003 at 05:18:56, Uri Blass wrote:

>On February 06, 2003 at 04:59:26, Graham Laight wrote:
>
>>I have to admit, I tended towards the neutral in terms of how good PCs were
>>against DB. I had a feeling that Bob might be correct - but the PC apologists,
>>led by Amir, put what looked like a an overwhelming amount of evidence into the
>>debate.
>>
>>Now, the truth is on the table for all to see.
>>
>>For all those years, Amir was arguing that DB was no better than PCs, and Bob
>>Hyatt argued the reverse position.
>>
>>Of the 5 games played so far, DJ has won one. Therefore, there is a 1 in 5
>>chance that DJ will win tomorrow. If DJ does win, it will merely achieve the
>>same result that DB achieved 6 years ago. There is a 4 in 5 probability that it
>>won't - and that after 6 years of catching up time, DJ will actually achieve a
>>WORSE result than DB achieved.
>>
>>Remember - if IBM had continued to develop DB, then, under Moore's law, it would
>>be doing a continuous 2 billion nodes per second today (peaking at close to 10
>>billion nodes per second).
>>
>>The argument is now closed. Amir has been proven wrong.
>>
>>I hope Amir is going to do the gentlemanly thing and apologise for all the years
>>he has been misleading us in an insistant and indignant manner.
>>
>>-g
>
>I do not see how you can prove that Amir was wrong if Junior does not win.
>There are simple not enough games to prove something based only on the results.

You may be correct - but if you are, then clearly Amir was wrong to do so much
self-righteous indignant waffling about DB's relative performance in 1997.

>Your 1/5 chance is also not convincing because kasparov play the last game with
>black.
>
>Junior drew all the games with White so you can say that there is 100% chance
>that it is going to be a draw by this wrong logic.

Whichever way you slice the probability calculation, DB has a probability of
winning tomorrow of less than 50% - which means that DJ will probably do worse
in the match than DB did six long years ago.

-g

>Uri



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