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Subject: extended futility pruning- Fruit 2.2- - influence on strenght?

Author: jan willem van drunick

Date: 06:20:12 10/03/05


Can somebody tell me what the effect is of lowering the default extended
futility pruning of Fruit 2.2?
Will the engine play more tactical, and less strategical?
And when an engine plays more tactical; what will be the effect on the strength
in general? And vice versa: what is the effect on the strength when the engine
plays more strategical?
I played some engine-matches between Fruit 2.2. and Shredder 9 (CB)Columbus egg.
settings (b and d), and it seems that Fruit is playing more active with extended
futility pruning 45 than the default setting 70.
But ... I played only a few games; so it's only a first impression. And I am
addicted to chess, but as far as concerned the technical aspect of computerchess
I am a 'tabula rasa'.
Can someone give me some information regarding this subject?
Thank you in advance.

Kind regards,
Jan Willem



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