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Subject: Re: Why Did Junior Underperform So Badly In Bilbao?

Author: Graham Laight

Date: 14:35:57 10/13/04

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On October 13, 2004 at 15:58:57, Robert Hyatt wrote:

>On October 13, 2004 at 10:34:50, Graham Laight wrote:
>
>>Between them, Fritz and Hydra score 7/8 in Bilbao. I have just run the simulator
>>(http://www.talkchess.com/forums/1/message.html?391364) for an 8 game
>>tournament, with the win probability at 33%, the draw probability at 34%, and
>>the lose probability at 33%. If you truly believe that GMs can crush computers
>>at will (implied by you 4 paragraphs above), then these odds are very generous.
>>
>>The results?
>>
>>0.52% probability of achieving 7 points
>>0.09% probability of achieving 7.5 points
>>0.03% probability of achieving 8 points
>>
>>That's only a 1/160 probability of being able to score that high.
>>
>>That's not right!
>
>Please remember that probability = probabability.  _not_ absolute truth.

Your "truth" is that the top computers are worse than top humans. "Think lower",
you told me.

Well - I know you're not going to give me an estimate as to the win/draw/lose
probabilities of top computers v GMs, so I won't bother to ask - but after the
work I've done with my simulator today (have you tried it? It's quick and easy
to run - just follow the 4 easy steps), then if GMs are significantly better
than computers at chess, I can tell you that Fritz and Hydra getting 7/8 was a
sensational result. Let me give you reasonably accurate analogies from other
sports with which you have some familiarity:

1. it's like the 6 stone weakling who has never had a fight before flooring the
national karate champion

2. it's like a donkey and cart winning the regional drag race evening

-g



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