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Subject: Re: Bug in CB8 and/or BigBase 2002 ?

Author: John Merlino

Date: 15:13:14 08/01/02

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On August 01, 2002 at 18:12:17, Tony Werten wrote:

>On August 01, 2002 at 16:18:17, John Merlino wrote:
>
>>On August 01, 2002 at 16:13:18, Gilles Garrigues wrote:
>>
>>>Take BigBase 2002 (more than 2,000,000 games, compiled by ChessBase GmbH). Use
>>>ChessBase 8 to open it and click on "statistics".
>>>
>>>You end up with NEGATIVE average Elos for Black and White. The progress of the
>>>stats is OK until about game 1,700,000 where a sharp drop occurs (as if one or
>>>several games had huge negative Elos).
>>>
>>>Has someone a good explanation for that ?
>>>
>>>--
>>>Gilles Garrigues, Dunkerque, France
>>
>>Signed vs. Unsigned integer. The highest bit of the integer is 1 when:
>>
>>1,700,000 (games) * 2369 (average ELO) ~= 0xF000000
>>
>>jm
>
>Let me guess. This won't happen (anymore) in Chessmaster ?
>
>Tony

What do you mean? We don't have an average ELO stat for a database in
Chessmaster.

jm



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