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Subject: Re: Battle !!!

Author: blass uri

Date: 06:56:37 06/14/00

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On June 14, 2000 at 09:42:06, Torstein Hall wrote:

>On June 14, 2000 at 05:47:59, blass uri wrote:
>
>>On June 14, 2000 at 05:19:58, pete wrote:
>>
>>>>    Program                      Elo    +   -   Games   Score   Av.Op.  Draws
>>>>
>>>>  1 crafty                     : 2035  153 152    20    60.0 %   1965   20.0 %
>>>>  2 anmon                      : 1965  152 153    20    40.0 %   2035   20.0 %
>>>>
>>>>Individual statistics:
>>>>
>>>>(1) crafty                    :  20 (+ 10,=  4,-  6), 60.0 %
>>>>
>>>>anmon                         :  20 (+ 10,=  4,-  6), 60.0 %
>>>>
>>>>
>>>>(2) anmon                     :  20 (+  6,=  4,- 10), 40.0 %
>>>>
>>>>crafty                        :  20 (+  6,=  4,- 10), 40.0 %
>>>>
>>>>
>>>>According to the "whoisbetter" prgram by Steve Maughan.
>>>>From the results of the games "whoisbetter" is 76% sure that crafty is better
>>>>than anmon. ........oh well ;)
>>>
>>>
>>>I guess "whoisbetter" is based on common statistics so you would have to
>>>continue until you get to 95% to have a significant result but my statistics is
>>>really rusty ;)
>>
>>All this statistics is wrong because results of chess games are not independent
>>events.
>>
>>Uri
>
>Why do you say that each game is not an independent event? I guess you do not
>think that the Comp. on the loosing side is getting psyched out... :-)
>
>Torstein

I think that programs can learn from previous games so the results are not
independent.

If the programs have no learning function than the results are independent.

Uri



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