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Subject: Re: CadaquƩs: Final Elo statistics

Author: blass uri

Date: 10:41:14 02/10/00

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On February 10, 2000 at 13:39:39, blass uri wrote:

>On February 10, 2000 at 10:43:35, Chessfun wrote:
>
>>On February 09, 2000 at 18:18:29, Frank Schubert wrote:
>>
>>>General statistics:
>>>
>>>Games        :    420
>>>
>>>White Wins   :    153 (36.4 %)
>>>Black Wins   :     96 (22.9 %)
>>>Draws        :    171 (40.7 %)
>>>
>>>White Perf.  : 56.8 %
>>>Black Perf.  : 43.2 %
>>>
>>>ECO A =     54 Games (12.9 %)
>>>ECO B =    118 Games (28.1 %)
>>>ECO C =     54 Games (12.9 %)
>>>ECO D =    100 Games (23.8 %)
>>>ECO E =     94 Games (22.4 %)
>>>
>>>
>>>
>>>Elo rating list:
>>>
>>>
>>>  Program                Elo    +   -   Games   Score   Av.Op.  Draws
>>>
>>>1 Junior 6.0           : 2666   55  47   120    60.8 %   2589   40.0 %
>>>2 Fritz 6a             : 2645   57  44   120    57.5 %   2593   41.7 %
>>>3 Nimzo 7.32           : 2623   61  41   120    53.8 %   2597   44.2 %
>>>4 Rebel-Tiger 12.0e    : 2605   64  36   120    50.8 %   2599   51.7 %
>>>5 Hiarcs 7.32          : 2585   47  62   120    47.5 %   2603   33.3 %
>>>6 Shredder 4           : 2575   46  60   120    45.8 %   2604   35.0 %
>>>7 Century              : 2500   50  51   120    33.8 %   2617   39.2 %
>>>
>>>
>>>After 120 games for each program the margins of error are in the range of
>>>+- 50 Elo points. So what does this mean now ? Well, if Enrique would repeat
>>>this tournament, then with a probability of 95 % the new Elo rating of Junior
>>>would lie between 2721 (= 2666 + 55) and 2619 (= 2666 - 47). But one must take
>>>into consideration that the probability for the new Elo value being still 2666
>>>is significantly higher than being 2721 or 2619. Similar statements are
>>>valid for the other programs. Therefore the rating list above can be seen as
>>>the rating list with the highest probability of all lists. But of course there
>>>is still a good chance that after a new Cadaques tournament the winner would be
>>>Fritz, Nimzo or Tiger.
>>>
>>>
>>>Individual statistics:
>>>
>>>(1) Junior 6.0                : 120 (+ 49,= 48,- 23), 60.8 %
>>>
>>>Shredder 4                    :  20 (+  6,= 10,-  4), 55.0 %
>>>Fritz 6a                      :  20 (+  6,= 12,-  2), 60.0 %
>>>Nimzo 7.32                    :  20 (+  9,=  8,-  3), 65.0 %
>>>Rebel-Tiger 12.0e             :  20 (+  8,=  8,-  4), 60.0 %
>>>Century                       :  20 (+ 13,=  4,-  3), 75.0 %
>>>Hiarcs 7.32                   :  20 (+  7,=  6,-  7), 50.0 %
>>
>>Excellent tourney...great job by both Enrique and yourself.
>>Can you please tell me of the 6 opponents of Junior which
>>were with J6 and which were with J6a.
>>Thanks.
>
>J6 played only with shreeder and nimzo

I mean of course shredder
sorry for the error

Uri



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