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a chess playing entity by [[TASC]], extending an [[IBM PC]] with a pluggable [https://en.wikipedia.org/wiki/Industry_Standard_Architecture ISA card] containing an [[ARM2]] [https://en.wikipedia.org/wiki/Reduced_instruction_set_computing RISC] processor and [[Memory#RAM|RAM]] from 128 [https://en.wikipedia.org/wiki/Kibibyte KiB] up to 1 [https://en.wikipedia.org/wiki/Mebibyte MiB], to upload and run two bundled chess programs, either [[Gideon]] by [[Ed Schroder|Ed Schöder]], the World Microcomputer Chess Champion of the [[WMCCC 1991]] and as ''Chessmachine WK'' the World Computer Chess Champion of the [[WCCC 1992]] <ref>[http://members.home.nl/matador/chess_2.htm World Champion] by [[Ed Schroder|Ed Schöder]]</ref>, and [[The King]] by [[Johan de Koning]]. The PC had its own control program, and a [[GUI]] to interact with the machine, both developed written by TASC developer [[Marc Derksen]]. The ChessMachine was manufactured and sold between 1991 and 1995 as RISC successor of [[The Final Chesscard]].