Author: Claude Le Page
Date: 10:02:51 02/20/05
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Hi Sandro! For what we are studying , matches or tournaments , I don't see the difference : There are GAMES , and that is all! My Thesis is the following : Commercial opening books are supposed to be tuned to the engine with which they are supplied Yet they do no better than books of databases , not specially made for an engine or another ; Then there are only 2 possible explanations: 1) By chance the books of MegaCor3 and FritzPowerbook happen to be as good opening books as specially tuned ones both for Hiarcs9 and for DeepJunior8 If it's true , then you can use these 2 books as opening book for a new engine that you are developping ; this is amazing , but interesting and useful 2)The opening books of Fritz , Junior ,Shredder and so on are obtained by the same way :they choose a database , and give it's book as opening book for an engine : in this way , I have been said that the opening book of ChessTiger15 is very similar to the book of FritzPowerbook , and yet it is not worse than others There is a point to check:MegaCor3 and Powerbook are "selections" of games ; there is another sort of databases : those obtained in an "automatic" way : I have 2 : The games of Chess Informant from N°01 to N°87 The most recent samples of TWIC (only 37000 games) First is perhaps biased : correspondents send the games they think noticeable , so there are more games won by White Second would be more neutral as it contains "integral" of a tornament if it's strong enough (Linares ,Corus aso ), but it's probably less creative than Harding's I am going to test this new sort of books As you can see ,I make no judgement whatsoever Friendly Yours Claude Le Page
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