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Subject: Re: a question about list of opening lines ordered by popularity

Author: Keith Evans

Date: 13:38:48 02/10/03

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On February 10, 2003 at 13:39:05, Uri Blass wrote:

>I am interested if someone cared to do a program to find
>a list of lines that lead to chess positions ordered by the popularity of the
>position
>
>The idea is to take a big pgn of games and to order positions based on the
>frequency of the position in games(the initial position is position number 1
>with frequency of 100% because it happens in 100% of the games)
>
>The list can be something like
>
>no moves 100%
>1.e4 51%
>1.d4 49%
>1.d4 Nf6 32%
>1.d4 Nf6 2.c4 27%(includes also 1.c4 Nf6 2.d4 but only the popular way to get
>the position is written in the list)
>1.e4 c5 23%
>1.e4 c5 Nf3 20%
>1.e4 e5 14%
>1.d4 d5 13%
>1.e4 e5 2.Nf3 12%
>1.c4 11%
>1.Nf3 10%
>

Isn't this basically what Bookup does? I tried to do something similar for
Xiangqi (xiangqi.rm-f.net) to learn Xiangqi openings.

If you are suggesting something different, then how is it different? Is it just
how the information is presented?

Regards,
Keith



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