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[[VEB Mikroelektronik Erfurt|VEB Funkwerk Erfurt's]] first [[Dedicated Chess Computers|dedicated chess computer]] species from 1981, build in low quantities of only about 12 to 20 pieces. The SC 1 was merely a prototype kind of a chess computer, to test the performance of their own [[Z80]] clone, the [https://en.wikipedia.org/wiki/U880 U880] 8-bit processor <ref>[http://www.robotrontechnik.de/index.htm?/html/komponenten/ic.htm#u880 Integrierte Schaltkreise - Prozessor U880] from [http://www.robotrontechnik.de/index.htm?/html/internes/haupt_en.htm robotrontechnik.de] (German)</ref> . The program wasn't yet an own development <ref>[http://de.wikipedia.org/w/index.php?title=Schachcomputer_in_der_DDR#SC1 SC1, Schachcomputer in der DDR from Wikipedia.de] (German)</ref>, but a program from the "[https://en.wikipedia.org/wiki/Enemy_of_the_people Enemy of the people]", a plain copy of [[Ron Nelson|Ron Nelson's]] program of a [[Chess Challenger]] manufactured by [[Fidelity Electronics]] <ref>[http://www.robotrontechnik.de/index.htm?/html/software/software.htm Copyright und illegal genutzte westliche Software] from [http://www.robotrontechnik.de/index.htm?/html/internes/haupt_en.htm robotrontechnik.de] (German)</ref>. Remarkably, its successor, the [[SC 2]], which was produced in higher quantities and exported to the [https://en.wikipedia.org/wiki/Capitalism capitalistic] "[https://en.wikipedia.org/wiki/First_World First World]" to merit foreign exchanges, still was a slightly modified Ron Nelson program <ref>[http://www.schach-computer.info/wiki/index.php/VEB_Mikroelektronik_Erfurt VEB Mikroelektronik Erfurt] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki] (German)</ref><ref>[[Karsten Bauermeister]] ('''1999'''). ''Deutsch-Deutsche Geschichte(n)''. [[Computerschach und Spiele]]. No. 5, October-November 1999, pp 32-33 (German)</ref>.