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a commercial chess program written by [[David Stafford]], published in 1987, later possibly available as [https://en.wikipedia.org/wiki/Shareware shareware] <ref>[https://groups.google.com/d/msg/rec.games.chess.computer/bH2TBJ2A3rc/FAEZOTqc9GgJ World Class Chess (weak) has a stupendous view mode!! You MUST see it!] by Michael Kramer, [[Computer Chess Forums|rgcc]], July 4, 1996</ref>.
World Class Chess was likely a commercial relative of [[Greco]] which played the [[ACM 1987]] on an [[IBM PC]] compatible under [[MS-DOS]].
Stafford claims World Class Chess was the first commercial chess program which offered a user-configurable [[Opening Book|opening book]] library <ref>[http://zimbry.blogspot.decom/2011/09/about-me.html Twiddling the Bits: About Me] by [[David Stafford]], September 27, 2011</ref> <ref>[https://www.facebook.com/davidst David Stafford | Facebook]</ref>.
=See also=
=External Links=
* [http://www.gambitchess.com/progr.htm Museum of Chess Software]
* [http://zimbry.blogspot.decom/2011/09/about-me.html Twiddling the Bits: About Me] by [[David Stafford]], September 27, 2011
=References=
