Author: Terry Ripple
Date: 00:07:27 06/04/02
Go up one level in this thread
On June 03, 2002 at 14:29:25, Dante Rosati wrote:
>some claim that the lunsen opening book is superior to powerbook. Is there any
>basis for this? Has anyone run games with the two opening books against each
>other?
>
>Dante
-----------------
Lunsen vrs Powerbooks:
The Opening Book
By E. Lunsen
The opening book contains only games in which both players have an Elo rating
over 2200 whereas Power Book by Chessbase contains also games in which one
player has an Elo rating over 2000 and the other player has an Elo rating below
2000. Short and incomplete games were also exluded as well as games containing
tactical opening blunders. The opening book represents the closest possible
approach to ideal proportion between quality of playing strength and
comprehensiveness of quantity of included games
Regards,
Terry
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