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Subject: Re: Zappa Report

Author: Uri Blass

Date: 10:15:06 12/30/05

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On December 30, 2005 at 12:03:57, Zappa wrote:

>Well, its been a while since I had to write a tournament report congratulating
>someone else.  I hope this doesn't become a habit :)  Anyway, congrats to Vasik!
> Rybka simply played the best chess of the tournament and deserved to win.  As I
>have said before, I am a big fan of Rybka, because whatever he is doing, its
>fundamentally different than the history-pruning-mobility-based-fruitish engines
>that everyone else seems to write (even Zappa is fundamentally a mobility based
>engine).
>
>To be honest, I was not real optimistic going into the tournament.  I have
>changed a lot of things in the latest Zappa versions, and I feel that I haven't
>managed to bugfix and tune all of them properly (example: the game against
>Ikarus).  I feel most of the knowledge is correct, but its just a matter of
>getting the values right.  People have wondered for months now why Fruit is so
>strong.  My opinion is that he simply has so few parameters to tune that he can
>get them exactly right :)  My main hope for the tournament was that the
>supercomputer would save a few points for me, but that turned out to be a comedy
>of errors.

I remember that you said that you are interested in parallel search and not in
better evaluation function so I do not understand why you added a lot of things
in the latest zappa versions.

Adding parallel search correctly was probably enough to win the competition.

Uri



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