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Subject: Re: How many new public chess games are saved in database in a year?

Author: Mark Young

Date: 15:34:20 06/23/03

Go up one level in this thread


On June 23, 2003 at 14:56:11, Uri Blass wrote:

>I am interested in the number of games in all level that are saved in database
>that people can download.
>
>How many of them are human games and how many of them are computer games?
>
>Uri

I have collected almost 5 million games from downloads. I am sure a good
percentage of the games I have in my database are doubles, even with that I am
sure over 4 million or more of the games are not doubles.

Most of the games are human games and most are not of a GM class, as one would
expect with that many games.

Most of the computer games I have downloaded are from SSDF and this is less the
40,000 if I remember correctly.

I recently in the past few days started making a massive opening book with all
my collected games. The book currently has 4.7 million games with 75 million
positions. I am still adding games to the book which will reach over 5 million
games, but progress is slow when adding games to that big a book.

I have started testing this book to see how if fairs against the books that come
with the various chess programs. So far it seems bigger is better.:)



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