Computer Chess Club Archives




Subject: Re: Fidelity versus Rebel et al

Author: Randolph S. Baker

Date: 06:45:52 10/08/97

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On October 05, 1997 at 08:24:08, Enrique Irazoqui wrote:

>On October 05, 1997 at 05:59:21, Robert Sullivan wrote:
>>I have a Fidelity Chess Challenger, which has a clock speed of 3mHz. If
>>one played the newer programs against Fidelity with the maximum ply
>>searched held equal, would this result in a comparison of the relative
>>strengths of each program, independent of processor speed? In other
>>words, would this exercise yield information about which program played
>>the "best" chess?
>I don't think so. If you test, for example, Hiarcs 6 and Fritz 5 at
>equal ply levels, H6 would win hands down. It's more a matter of
>computing time.
>Playing one of the best current programs against a state of the art of
>some 15 years ago on equal platforms would be interesting. Say one of
>the Sargon programs, also by the Spracklen like your Challenger, against
>Rebel, Hiarcs, Mchess, Genius or Fritz. This might give us an idea about
>the advances in programs during the last 15 years. It might also bring
>some light about this discussion I had with Bob a few months ago, where
>he said programs didn't improve qualitatively in this period of time and
>I disagreed with him.

Even as only a 1500 or so player, I advanced to where I could
consistently beat my Fidelity Chess Challenger on any of its levels.
(This was around 1980, so it has been quite a while and they might have
improved the performance since). I could also beat Sargon 3, but of
course at the time it was lucky to completely explore 5 plies in the
middlegame on my PCJr. Both seemed to have extremely poor endgame
knowledge as I recall.

Today's programs (Fritz, Hiarcs, CM5000) eat me for breakfast 8-). I did
play Sargon 5 against CM4000 a couple of times, and CM4000 won all the
games (but it wasn't a statistically significant sample).



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