Author: Tony Werten
Date: 15:18:43 08/01/02
Go up one level in this thread
On August 01, 2002 at 18:13:14, John Merlino wrote: >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. Ah, sorry. I saw the numbers and thought "he has seen this bug before". I guessed it was in your own program. Tony > >jm
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