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Subject: Re: Elo Adjusted for you

Author: George Tsavdaris

Date: 13:28:29 12/08/05

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>>>>
>>>>with no book, it has been stated many times here that one must take the square
>>>>root of pi, divided by x(a-c2)-3x(a2)over 3.1285.
>>
>>What the x and a and c2 and a2 represent?
>>
>>And how exactly is the formula? I mean what is the x(a-c2)-3x(a2) mean?
>>
>>Also what "over 3.1285" means?
>>
>>
>>>Once this value is applied to
>>>>your results you will see that Rybka has an Elo of 2875 and leads your Fritz 8
>>>>by 22 games.
>>
>>How did you come up with this?
>>
>>
>>>Of course Uri will adjust this just a little when playing two
>>>>programs, one with book and one without.
>>>>
>>>>kburcham
>>>
>>>Actually your formula is only an approximation, though I have too agree, a good
>>>one. The true value is not 3.1285 but square_root( square_root(96) ).
>>
>>How did you come with 96?
>
>As you may know a chessboard has 64 places for 32 pieces. The sum is 96.
>Therefor.
>
>>Also what is the formula you are talking about and how is derived?
>
>You need a some mathematics. Actually some calculus mixed with statistics.

No problem, i like Mathematics. So can you give the formula?

>Kolmogorov derived it for Botwinniks chess program in Sobolev spaces.

Can you provide any Web-link for all these........?


Also do you know what the x and a and c2 and a2, that K.Burcham mentioned,
represent?

>



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