Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: What makes Fruit so strong?

Author: Uri Blass

Date: 13:14:50 03/12/04

Go up one level in this thread


On March 12, 2004 at 14:49:28, Steve Maughan wrote:

>Amazing!
>
>I'm amazed at Fruit's score.  I've downloaded it and it seems like a robust
>engine but I note that it's quite slow and according to the author has little
>knowedge above and beyond piece tables.  Monarch is my engine.  It's nowhere
>near as strong as Fruit - I'd estimate Fruit is +200 ELO stronger than Monarch.
>Like Fruit, Monarch also has just piece tables and I believe that Monarch is
>probably even a little faster than Fruit.  Like Fruit Monarch also has Null
>move, check extensions and hash table (2 probes) i.e. on paper they seem to be
>close in spec.  So the question is what makes Fruit so strong?
>
>a) Fewer bugs - quite possible!
>b) ETC - Monarch doesn't have this - Fruit does
>c) No PV cut-off's in Fruit
>d) Better piece square tables
>e) Combination of b, c & d
>f) ?
>
>Of course another explanation is that Fruit is much more sophisticated than the
>author claims but I see no reason to think this.
>
>Any thoughts?
>
>Steve

It has some boolean features.

I understood that it also has some pawn structure evaluation.

Uri



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.