Author: Dann Corbit
Date: 10:58:06 01/28/02
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On January 28, 2002 at 13:52:11, Sergei Smith wrote: >I'm looking for pgn games by players with an ELO of 2200 or higher. >At ftp://cap.connx.com/pub/ the closest I could find is ELO 2300.zip in the Scid >directory and the connection is pretty slow. You should be able to pull at 300K/sec unless there are a big pile of users right now. >What is the advisable number of download threads/user ? Doesn't matter much, and it is hard to predict what will work best. If you try launching 100 threads and 5 other people did the same thing, it will probably just make it slower. >Is there also a 2200.zip available ? No, but you can get the whole thing in the SCID database. >If one downloaded all A B C D E openings and put them into a Crafty opening >book, >with how many games and how many unique positions would he end up with ? I recently refiltered the games with Chess Assistant and found a lot more duplicates. I have about 2.4 million distinct games. I made a new SCID database from them, but have not posted it yet. I will post it later on today. >And how many Gigs would that pgn database and opening book take ? Depends a great deal on the parameters you use. If you filter nothing, and let the games go 600 ply, the crafty book will be twice as big as the raw PGN (several gigs in size). >Would that humongous book play better than the standard Crafty opening book ? No. It plays simply awful (but it makes it a lot more fun for a human to play against it). Well, actually, it isn't awful since it still has statistics to guide its play. But the more junky games you add and the deeper you go with less and less filtering, the more questionable the move choices become.
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