History of Chess Challenger 1 (CC1) and its upgrades...

FIDELITY ELECTRONICS LD. INC was an American company, founded in 1959, bought in March 1970 by Sidney and Myron Samole. From 1976, Fidelity Electronics developed and manufactured dedicated chess computers. On February 21, 1984, FIDELITY ELECTRONICS LD. INC filed its petition for relief under Chapter 7 of Bankruptcy Code and transferred its ownership to FIDELITY COMPUTER PRODUCTS INC. becoming later FIDELITY INTERNATIONAL,INC. Their computers won the first four World Microcomputer Chess Championships: London 1980 (Chess Challenger ), Travemünde 1981 (Fidelity X), Budapest 1983 (Elite A/S), and Glasgow 1984 (Elite). They won 4 consecutive years the United States Open Computer Chess Championships (Mobile, Alabama) in 1985, 1986, 1987 and 1988. Sold in 1989 to Hegener & Glaser. Fidelity disappeared definitely in 1992.
CHVL
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History of Chess Challenger 1 (CC1) and its upgrades...

Unread post by CHVL » Fri Jun 04, 2021 11:35 pm

It is well known that the CC1 was introduced in hurry and pain in 1977: inverted board and severe software limitations. It was (and it is :) ) difficult to play with it. So, everyone was running to upgrade this first Fidelity chess computer...
We know that its collectible value is coming from the fact that a lot of them were upgraded in CC3: the board was corrected and 3 levels were possible.
However, it exists more kind of upgrades. Take a look here:
http://chesseval.com/Eldest/OldFidelity.htm


Yes, the CC1 was not only updated to CC3, but also to Chess Challenger 10 under the name UCC10:
CC1_to_UCC10.jpeg

And yes, the CC1 was updated to CC"7"... Below, the picture of a CC1 metamorphosed in a BCC with the program of the CC7.
Attachments
BCC %227%22upgrade from CC1-computer.jpeg

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