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Subject: Re: The NPS Challenge =-= All over again........

Author: Uri Blass

Date: 01:29:09 02/14/02

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On February 14, 2002 at 03:12:14, Dann Corbit wrote:

>On February 14, 2002 at 02:46:36, Slater Wold wrote:
>[snip]
>>My main thinking here is:
>>
>>Rebel will more than likely win 75% of its games against Crafty in the 40/120.
>>Now if Crafty can beat Rebel 75% of the time in the 40/12000, what does that
>>show?  That Crafty is "rebel strength" when given a 100x time odds?  Or that
>>simply HW = chess program performance?  Well, I think all that will be
>>determined in the moves in makes in the time odds games.
>>
>>Little Goliath vs Shredder was something that GCP suggested.  LG is extremly
>>fast, and from what I understand, not overly complex.  Shredder on the other
>>hand is as slow as they come, and again, from what I understand, very complex.
>>
>>Does MHZ = ELO.  And if it does, how much?  Imagine the stink if Rebel were to
>>win 75% in 40/120 and 75% in 40/12000.
>
>I am guessing that Rebel is about 100 ELO stronger than crafty.  I also believe
>(on scanty evidence based on the chess in 2010 experiment) that the advantage
>vanishes at very long time control.

I agree that the difference is probably more closer to 100 elo than 200 elo but
I do not believe that the difference vanishes at long time control.

I believe that it was truth in the past because Rebel had search holes because
of it's selective search algorithm but I guess that Ed improved his program from
that time.

Uri



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