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Created page with "'''Home * Engines * Gideon''' FILE:Gideon and His Three Hundred (Bible Card).jpg|border|right|thumb| Gideon and His Three Hundred <ref>Gideon and His Thre..."
'''[[Main Page|Home]] * [[Engines]] * Gideon'''
[[FILE:Gideon and His Three Hundred (Bible Card).jpg|border|right|thumb| Gideon and His Three Hundred <ref>Gideon and His Three Hundred; as in Judges 7:9-23; illustration from a Bible card published by the Providence Lithograph Company, [http://nl.wikipedia.org/wiki/Gideon_%28Bijbel%29 Gideon (Bijbel) from Wikipedia.nl] (Dutch)</ref> ]]
'''Gideon''',<br/>
a [[Rebel]] based series of chess programs developed by [[Ed Schroder|Ed Schröder]] and marketed by [[TASC]] and [[Hegener & Glaser]] in conjunction with plug-in cards as well as [[Dedicated Chess Computers|dedicated chess computer]] [[Module|modules]] based on [[ARM2]] [https://en.wikipedia.org/wiki/Reduced_instruction_set_computing RISC] processors. The native [[IBM PC|PC]] program '''Mephisto Gideon''' was developed in cooperation with [[Hegener & Glaser]], and later marketed by [[Ossi Weiner]] and various other companies and dealer.
The World Microcomputer Champion and World Champion titles from [[WMCCC 1991|1991]] and [[WCCC 1992|1992]] look a bit ambiguous, since they are not only dedicated to Gideon or the 1992 entry [[ChessMachine]] (with a Gideon program), advertised by [[TASC]] for the ChessMachine and [[Hegener & Glaser]] for the [[Mephisto RISC]] modules, but from Ed's perspective also to Rebel itself <ref>[http://members.home.nl/matador/chess_2.htm World Champion (1991-1995)]</ref> .
=RISC=
Gideon was the name of the first [[ARM2]] [https://en.wikipedia.org/wiki/Reduced_instruction_set_computing RISC] version of Rebel, running on a [[TASC]] [https://en.wikipedia.org/wiki/ISA_bus ISA card] for an [[IBM PC]]. It became third at the [[WMCCC 1990]] in [https://en.wikipedia.org/wiki/Lyon Lyon], and World Microcomputer Champion at the [[WMCCC 1991]] in [https://en.wikipedia.org/wiki/Vancouver Vancouver] <ref>[https://en.wikipedia.org/wiki/REBEL_%28chess%29 REBEL (chess) from Wikipedia]</ref> . The further improved Gideon 3.1/32 MHz [[ChessMachine]] became World Champion at the [[WCCC 1992]] in [https://en.wikipedia.org/wiki/Madrid Madrid]. RISC Gideon was further marketed as PC plug-in [[ChessMachine]] by [[TASC]] in bundle with [[The King]] program by [[Johan de Koning]] <ref>[http://www.schach-computer.info/wiki/index.php/TASC_ChessMachine TASC ChessMachine] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> , and as [[Dedicated Chess Computers|dedicated chess computer]] of the [[Mephisto RISC]] series by [[Hegener & Glaser]] <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_Risc_1MB Mephisto Risc 1MB] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_Risc_2 Mephisto Risc 2] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> .
=Description=
from [[Don Beal|Don Beal's]] [[WMCCC 1991]] report <ref>[[Don Beal]] ('''1991'''). ''Report on the [[WMCCC 1991|11th World Microcomputer Chess Championship]]''. [[ICGA Journal|ICCA Journal]], Vol. 14, No. 2</ref>:
Written by Ed Schröder (programmer) and [[Jan Louwman]] (a strong chess-player and designer of the [[Opening Book|opening book]]), both previously known over many years for their [[Rebel]] program that run on [[6502]] pocessors, Gideon is a new program for the ARM-2 RISC CPU and has taken 1.5 years (4000 man-hours) to develop. The evaluation function is complex, incorporating much chess knowledge, and positional scores can range up 1.5 times a Pawn. Gideon includes specialized knowledge for many types of endgame (defined to be when material < 26) such as rook-and-pawn endings. The search techniques include [[Iterative Deepening|iterative deepening]], [[Check Extensions|check extensions]] and [[Singular Extensions|singular extensions]]. [[Moves]] are [[Move Generation|generated]] one-at-a-time, rather than all-and-sort.
<span id="MephistoGideon"></span>
=Mephisto Gideon=
The [[IBM PC|PC]] program '''Mephisto Gideon''' was developed in cooperation with [[Hegener & Glaser]] and was Ed's first program running under the [[MS-DOS]] operating system, also bundled as '''Mephisto Advantage''' with the [[Saitek PC Auto Chessboard]]. It was entirely written in [[C]] and marketed by [[Ossi Weiner]] and other dealer in large quantities <ref>[http://www.schachversand.eu/e/detail/software/101.html Ed Schröder - Mephisto Gideon] from [[Schachversand Niggemann]]</ref>, while independently '''Schröder BV''' kept their own brand name Rebel selling it via their own distribution channels in smaller quantities <ref>[http://members.home.nl/matador/chess_3.htm REBEL on the PC (1993-2001)]</ref>. In 2012, Ed Schröder resurrected ''Mephisto Gideon Professional'' as [[WinBoard]] and [[UCI]] compatible [https://en.wikipedia.org/wiki/Donationware donationware] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=44819 Mephisto Gideon Professional (1993) for Winboard and UCI] by [[Ed Schroder|Ed Schröder]], [[CCC]], August 17, 2012</ref> <ref>[http://www.top-5000.nl/donationware.htm Donationware] by [[Ed Schroder|Ed Schröder]]</ref>.
=See also=
* [[ChessMachine]]
* [[Rebel]]
=Forum Posts=
* [https://groups.google.com/d/msg/rec.games.chess/05obi896BnI/eVqo4QvNqF4J New programs released!] by Ralf Stephan, [[Computer Chess Forums|rgc]], October 10, 1993 » [[Chess Genius]]
* [http://www.talkchess.com/forum/viewtopic.php?t=44819 Mephisto Gideon Professional (1993) for Winboard and UCI] by [[Ed Schroder|Ed Schröder]], [[CCC]], August 17, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=51081 Q to Ed Schröder-Gideon Pro = Rebel Decade ???] by Gustavo Mallada, [[CCC]], January 28, 2014
=External Links=
==Chess Program==
* [http://rebel13.nl/dos/mephisto%20gideon.html Mephisto Gideon] from [http://rebel13.nl/index.html Rebel Pure Nostalgica]
* [http://rebel13.nl/dedicated/chessmachine.html ChessMachine] from [http://rebel13.nl/index.html Rebel Pure Nostalgica]
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=222 Mephisto Gideon's ICGA Tournaments]
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=224 Chessmachine's ICGA Tournaments]
* [http://www.top-5000.nl/cp.htm Download Chess Programs] hosted by [[Ed Schroder|Ed Schröder]]
* [http://www.top-5000.nl/donationware.htm Donationware] by [[Ed Schroder|Ed Schröder]]
* [http://query.nytimes.com/gst/fullpage.html?res=9D0CE5DB103BF936A15755C0A967958260 Chess] by [https://en.wikipedia.org/wiki/Robert_Byrne Robert Byrne], [https://en.wikipedia.org/wiki/The_New_York_Times New York Times], June 25, 1991 - on Chess Machine [[Gideon]] versus [[Cumulus]], [[WMCCC 1991]] <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=59&round=2&id=1 Vancouver 1991 - Chess - Round 2 - Game 1 (ICGA Tournaments)]</ref>
==Misc==
* [https://en.wikipedia.org/wiki/Gideon_St%C3%A5hlberg Gideon Ståhlberg from Wikipedia]
* [https://en.wikipedia.org/wiki/Gideon Gideon from Wikipedia]
* [https://en.wikipedia.org/wiki/Gideon_(disambiguation) Gideon (disambiguation) from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
[[FILE:Gideon and His Three Hundred (Bible Card).jpg|border|right|thumb| Gideon and His Three Hundred <ref>Gideon and His Three Hundred; as in Judges 7:9-23; illustration from a Bible card published by the Providence Lithograph Company, [http://nl.wikipedia.org/wiki/Gideon_%28Bijbel%29 Gideon (Bijbel) from Wikipedia.nl] (Dutch)</ref> ]]
'''Gideon''',<br/>
a [[Rebel]] based series of chess programs developed by [[Ed Schroder|Ed Schröder]] and marketed by [[TASC]] and [[Hegener & Glaser]] in conjunction with plug-in cards as well as [[Dedicated Chess Computers|dedicated chess computer]] [[Module|modules]] based on [[ARM2]] [https://en.wikipedia.org/wiki/Reduced_instruction_set_computing RISC] processors. The native [[IBM PC|PC]] program '''Mephisto Gideon''' was developed in cooperation with [[Hegener & Glaser]], and later marketed by [[Ossi Weiner]] and various other companies and dealer.
The World Microcomputer Champion and World Champion titles from [[WMCCC 1991|1991]] and [[WCCC 1992|1992]] look a bit ambiguous, since they are not only dedicated to Gideon or the 1992 entry [[ChessMachine]] (with a Gideon program), advertised by [[TASC]] for the ChessMachine and [[Hegener & Glaser]] for the [[Mephisto RISC]] modules, but from Ed's perspective also to Rebel itself <ref>[http://members.home.nl/matador/chess_2.htm World Champion (1991-1995)]</ref> .
=RISC=
Gideon was the name of the first [[ARM2]] [https://en.wikipedia.org/wiki/Reduced_instruction_set_computing RISC] version of Rebel, running on a [[TASC]] [https://en.wikipedia.org/wiki/ISA_bus ISA card] for an [[IBM PC]]. It became third at the [[WMCCC 1990]] in [https://en.wikipedia.org/wiki/Lyon Lyon], and World Microcomputer Champion at the [[WMCCC 1991]] in [https://en.wikipedia.org/wiki/Vancouver Vancouver] <ref>[https://en.wikipedia.org/wiki/REBEL_%28chess%29 REBEL (chess) from Wikipedia]</ref> . The further improved Gideon 3.1/32 MHz [[ChessMachine]] became World Champion at the [[WCCC 1992]] in [https://en.wikipedia.org/wiki/Madrid Madrid]. RISC Gideon was further marketed as PC plug-in [[ChessMachine]] by [[TASC]] in bundle with [[The King]] program by [[Johan de Koning]] <ref>[http://www.schach-computer.info/wiki/index.php/TASC_ChessMachine TASC ChessMachine] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> , and as [[Dedicated Chess Computers|dedicated chess computer]] of the [[Mephisto RISC]] series by [[Hegener & Glaser]] <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_Risc_1MB Mephisto Risc 1MB] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> <ref>[http://www.schach-computer.info/wiki/index.php/Mephisto_Risc_2 Mephisto Risc 2] from [http://www.schach-computer.info/wiki/index.php/Hauptseite_En Schachcomputer.info Wiki]</ref> .
=Description=
from [[Don Beal|Don Beal's]] [[WMCCC 1991]] report <ref>[[Don Beal]] ('''1991'''). ''Report on the [[WMCCC 1991|11th World Microcomputer Chess Championship]]''. [[ICGA Journal|ICCA Journal]], Vol. 14, No. 2</ref>:
Written by Ed Schröder (programmer) and [[Jan Louwman]] (a strong chess-player and designer of the [[Opening Book|opening book]]), both previously known over many years for their [[Rebel]] program that run on [[6502]] pocessors, Gideon is a new program for the ARM-2 RISC CPU and has taken 1.5 years (4000 man-hours) to develop. The evaluation function is complex, incorporating much chess knowledge, and positional scores can range up 1.5 times a Pawn. Gideon includes specialized knowledge for many types of endgame (defined to be when material < 26) such as rook-and-pawn endings. The search techniques include [[Iterative Deepening|iterative deepening]], [[Check Extensions|check extensions]] and [[Singular Extensions|singular extensions]]. [[Moves]] are [[Move Generation|generated]] one-at-a-time, rather than all-and-sort.
<span id="MephistoGideon"></span>
=Mephisto Gideon=
The [[IBM PC|PC]] program '''Mephisto Gideon''' was developed in cooperation with [[Hegener & Glaser]] and was Ed's first program running under the [[MS-DOS]] operating system, also bundled as '''Mephisto Advantage''' with the [[Saitek PC Auto Chessboard]]. It was entirely written in [[C]] and marketed by [[Ossi Weiner]] and other dealer in large quantities <ref>[http://www.schachversand.eu/e/detail/software/101.html Ed Schröder - Mephisto Gideon] from [[Schachversand Niggemann]]</ref>, while independently '''Schröder BV''' kept their own brand name Rebel selling it via their own distribution channels in smaller quantities <ref>[http://members.home.nl/matador/chess_3.htm REBEL on the PC (1993-2001)]</ref>. In 2012, Ed Schröder resurrected ''Mephisto Gideon Professional'' as [[WinBoard]] and [[UCI]] compatible [https://en.wikipedia.org/wiki/Donationware donationware] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=44819 Mephisto Gideon Professional (1993) for Winboard and UCI] by [[Ed Schroder|Ed Schröder]], [[CCC]], August 17, 2012</ref> <ref>[http://www.top-5000.nl/donationware.htm Donationware] by [[Ed Schroder|Ed Schröder]]</ref>.
=See also=
* [[ChessMachine]]
* [[Rebel]]
=Forum Posts=
* [https://groups.google.com/d/msg/rec.games.chess/05obi896BnI/eVqo4QvNqF4J New programs released!] by Ralf Stephan, [[Computer Chess Forums|rgc]], October 10, 1993 » [[Chess Genius]]
* [http://www.talkchess.com/forum/viewtopic.php?t=44819 Mephisto Gideon Professional (1993) for Winboard and UCI] by [[Ed Schroder|Ed Schröder]], [[CCC]], August 17, 2012
* [http://www.talkchess.com/forum/viewtopic.php?t=51081 Q to Ed Schröder-Gideon Pro = Rebel Decade ???] by Gustavo Mallada, [[CCC]], January 28, 2014
=External Links=
==Chess Program==
* [http://rebel13.nl/dos/mephisto%20gideon.html Mephisto Gideon] from [http://rebel13.nl/index.html Rebel Pure Nostalgica]
* [http://rebel13.nl/dedicated/chessmachine.html ChessMachine] from [http://rebel13.nl/index.html Rebel Pure Nostalgica]
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=222 Mephisto Gideon's ICGA Tournaments]
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=224 Chessmachine's ICGA Tournaments]
* [http://www.top-5000.nl/cp.htm Download Chess Programs] hosted by [[Ed Schroder|Ed Schröder]]
* [http://www.top-5000.nl/donationware.htm Donationware] by [[Ed Schroder|Ed Schröder]]
* [http://query.nytimes.com/gst/fullpage.html?res=9D0CE5DB103BF936A15755C0A967958260 Chess] by [https://en.wikipedia.org/wiki/Robert_Byrne Robert Byrne], [https://en.wikipedia.org/wiki/The_New_York_Times New York Times], June 25, 1991 - on Chess Machine [[Gideon]] versus [[Cumulus]], [[WMCCC 1991]] <ref>[https://www.game-ai-forum.org/icga-tournaments/round.php?tournament=59&round=2&id=1 Vancouver 1991 - Chess - Round 2 - Game 1 (ICGA Tournaments)]</ref>
==Misc==
* [https://en.wikipedia.org/wiki/Gideon_St%C3%A5hlberg Gideon Ståhlberg from Wikipedia]
* [https://en.wikipedia.org/wiki/Gideon Gideon from Wikipedia]
* [https://en.wikipedia.org/wiki/Gideon_(disambiguation) Gideon (disambiguation) from Wikipedia]
=References=
<references />
'''[[Engines|Up one level]]'''
