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Subject: Re: "Fruit 2.2.1 has no partial extensions and it extends too much"

Author: Tord Romstad

Date: 07:11:39 11/02/05

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On November 02, 2005 at 09:31:13, Jouni Uski wrote:

>Yes Uri seems to be right in this. In most of my tactical test suites engines
>like Shredder, Fritz and even SlowChess are much = twice as fast! But still
>Fruit has won all matches so far. So Fruit's secret is NOT the search, but?!

What makes you arrive at this conclusion?  It definitely doesn't follow from
your observations about tactical test suites.  You can have a very good
search and do only moderately well on tactical test suites, and you can have
a mediocre search and score exceptionally well in the same test positions.

Tactical test suites does not measure playing strength, the quality of the
search, nor even the tactical abilities of the program (my own program
usually scores OK in tactical test suites, but is a relatively poor
tactician in real games).  Running such test suites can be fun, but the
results don't tell us anything of importance.

Tord



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