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one of the early German chess programs, written by [[Matthias Engelbach]] since 1978 in [[Algol]] <ref>[http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6c9575 The Fifteenth ACM Computer Chess Championship, San Francisco California, October 7-9, 1984], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1984_15th_NACCC/1984%20NACCC.062303012.sm.pdf pdf] from [[The Computer History Museum]]</ref> while affiliated with the [https://en.wikipedia.org/wiki/Bundeswehr_University_Munich Bundeswehr University Munich] <ref>[http://www.xing.com/profile/Matthias_Engelbach Matthias Engelbach - Profile], [https://en.wikipedia.org/wiki/XING XING]</ref> . According to a former [https://en.wikipedia.org/wiki/Chessgames.com Chessgames.com] description, Schach '''2.0''' was based on a 1970 version of the [[Fortran]] program [[Schach (US)|Schach]] by [[Rolf C. Smith]] and [[Franklin D. Ceruti]] (Version 1 was the 1968 Master's thesis that originated from [https://en.wikipedia.org/wiki/Texas_A%26M_University Texas A&M University]) <ref>[http://www.chessgames.com/perl/chessplayer?pid=64934 The chess games of Schach 2 3] from [https://en.wikipedia.org/wiki/Chessgames.com Chessgames.com]</ref> . In the early 90s, [[Thomas Kreitmair]] joined as co-author, starting to re-write Schach in [[x86]] [[Assembly|assembly]].