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Subject: Engine performance by ECO

Author: Frank Goebert

Date: 05:55:53 03/28/03


I have been searching for information on which positions certain engines
like and dislike. Apparently, all engines are better in open than in closed
positions. Hiarcs plays a more positional style, whereas Fritz is slightly
stronger when playing an attack. All this does not help for example, when
you are trying to put together an optimized opening book for an engine.

Clearly Fritz does not need an optimized opening book to play against me. But
playing against other engines, you would like to prepare an opening book
that leads the engine into positions it plays well and avoids position it
does not understand so well.

Is anybody aware of an evaluation of engine performance by ECO? Primarily I
am interested in commercial engines (Fritz, Hiarcs, Shredder, Junior,
ChessTiger), but also free engines (Ruffian, Crafty etc). Has anybody evaluated
engine vs engine matches based on ECO? Or does anybody know a website where the
results are published?

Thanks,
Frank

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