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Subject: Re: 16mhz fidelity vs 1050 shredder4

Author: Djordje Vidanovic

Date: 10:01:33 12/08/00

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On December 07, 2000 at 22:09:40, K. Burcham wrote:

>in july, 1988, at the world open in philadelphia, pennsylvannia, this fidelity
>program made chess history and became the first microcomputer to earn a master
>rating of 2265. fidelity started selling the same program, model 6113. it is
>called a designer mach lll master. fidelity started selling this same program in
>a table top sensory board. anyway, i bought one of these back then. i have taken
>real good care of it. it is like new. fidelity sent out a certificate,
>certifying that each one had the 2265 rating. i also kept this certificate in
>perfect shape. i have had it in storage for several years. i thought it would be
>fun to see how it would play against todays programs with new hardware. in case
>you are interested, it uses a 68000 microprocessor running at 16 mhz, with 64k
>rom, and 80k ram. i played it against my 1050 mhz 384 megs ram. shredder4 hash
>set at 96megs , shredder4 evaluation tables set at 16 megs. shredder4 used
>default settings. game time for both set at 30 minutes. fidelity set at
>strongest settings. opening---ruy lopez/marshall counterattack. of couse s4 won.
>but it took 58 moves. didnt think it would last that many moves. do i understand
>this right, the fidelity has no hash tables, so does this mean it does not think
>on the opponents time. so is the ram cleared after every move. it was averaging
>about 6 ply on this 30 minute time control. it held shredder4 off for about 20
>minutes of a 30 minute game. so maybe that wasnt too bad for such an weak old
>timer.
>        thanks


I used to have a Mach III machine which would go as high as 7,000-8,000 nps and
played a pretty strong game (I'd say about 2000 ELO, and higher at blitz
levels).  It used up to 144kb hash I think and played one of the strongest
endgames of the time.   It came in a plastic casing that was a little awkward to
use and the first time I pitted it against a PC program (Rex Chess) it managed
to draw the little match.

***  Djordje





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