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'''Nimzo''',<br/>
a chess program by primary developer [[Chrilly Donninger]], subsequently supported by members of the [[First Vienna Computer Chess Club]] (Nimzo Werkstatt) concerning [[Engine Testing|testing]], [[Knowledge|chess knowledge]], [[Opening Book|opening book]] and hardware. The program was first dubbed ''Nimzo-Guernica'' in remembrance to [https://en.wikipedia.org/wiki/Aron_Nimzowitsch Aron Nimzowitsch] and as manifest of Chrilly's [https://en.wikipedia.org/wiki/Anti-war Anti-war] engagement <ref>[https://en.wikipedia.org/wiki/Bombing_of_Guernica Bombing of Guernica from WikiepediaWikipedia]</ref>. It had its tournament debut at the [[3rd Computer Olympiad#Chess|3rd Computer Olympiad 1991]] and further played the [[DOCCC 1991]] and [[IPCCC 1991]]. At the [[WMCCC 1993]], Nimzo-Guernica aka Nimzo-2 upset [[Gideon|Mephisto Gideon]] <ref>With the help of a sign bug in [[Passed Pawn|passed pawn]] evaluation, see [[Chrilly Donninger]] ('''1999'''). ''Computer machen keine Fehler''. [[Computerschach und Spiele|CSS]] 2/99, [http://www.mustrum.de/chrilly/keine_fehler.pdf pdf] (German)</ref> and later winner [[HiarcsHIARCS]] to lead the pack after five rounds, and finished strong fourth despite 1.5 points out of the last four rounds. =Guernica=[[FILE:Guernica reproduction on tiled wall, Guernica, Spain (PPL3-Altered) julesvernex2.jpg|none|border|text-bottom|1024px]] [https://en.wikipedia.org/wiki/Mural Mural] of the painting [https://en.wikipedia.org/wiki/Guernica_(Picasso) Guernica] by [[:Category:Pablo Picasso|Pablo Picasso]] made in tiles and full size <ref>[https://commons.wikimedia.org/wiki/File:Guernica_reproduction_on_tiled_wall,_Guernica,_Spain_(PPL3-Altered)_julesvernex2.jpg Photo] by [https://commons.wikimedia.org/wiki/User:Julesvernex2 Jules Verne Times Two], September 08, 2018, [https://en.wikipedia.org/wiki/Guernica Guernica], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref>
=Photos & Games=
0-1
</pre>
[https://lichess.org/t9MXstG9 View this game on Lichess.org]
=Nimzo-3=
=CHE=
The [[CHE]] and CHE++ declarative language for expressing chess knowledge using a [[GUI]] was used to incorporate [[Planning |planning]] features within the [[Oracle|oracle ]] used <ref>[https://www.stmintz.com/ccc/index.php?id=198528 CHE docs in English / Nimzo 3 version] by [[Michael Scheidl|Mike S.]], [[CCC]], November 22, 2001</ref>.
=Commerce=
Nimzo-Paderborn [[Learning|learns]] automatically from human grandmaster games. It is also equipped with an own Chess-Advice-Language (Che++) which allows strong human players to formulate chess-knowledge. The program can also access in its search [[Endgame Tablebases|endgame databases]]. It therefore searches regularly from the middlegame into won endgames.
<span id="Pruning"></span>
=Forward Pruning in Nimzo 2.2.1=
=See also=
* [[Brutus]]
* [[Various Classifications#ChessLegend|Chess legendsGreif]]
* [[Hydra]]
* [[Hydra 97]]
=Forum Posts=
==1996 ...==
* [https://groups.google.com/d/msg/rec.games.chess.computer/fON9kA5LPYo/Jpfn6nqs3yYJ NIMZO 3 ist out now!] by [[Tom Kerrigan]], [[Computer Chess Forums|rgcc]], July 15, 1996
: [https://groups.google.com/d/msg/rec.games.chess.computer/fON9kA5LPYo/_utfvtP6RzsJ Re: NIMZO 3 ist out now!] by [[Peter Schreiner]], [[Computer Chess Forums|rgcc]], July 19, 1996
* [https://groups.google.com/d/msg/rec.games.chess.computer/lZshGHUeuxY/Kfef3R7vIkQJ Re: Nimzo3 - playing strength?] by [[Helmut Weigel]], [[Computer Chess Forums|rgcc]], August 04, 1996
* [https://groups.google.com/d/msg/rec.games.chess.computer/o57y2Ldf-ks/rlfhb1TeyYMJ NIMZO 3 !] by Komputer Korner, [[Computer Chess Forums|rgcc]], December 01, 1996
* [httphttps://groups.google.com/groupg/rec.games.chess.computer/msgc/f9c5ab9792a46513 me7GkjsEgds/m/E2WkkperxfkJ Re: computer chess "oracle" ideas...] by [[Andreas Mader]], reply to [[Ronald de Man]], [[Computer Chess Forums|rgcc]], April 7, 1997* [httphttps://www.stmintz.com/ccc/index.php?id=12445 Re: Mobility in eval] by [[Andreas Mader]], [[CCC]], November 26, 1997* [https://groups.google.com/groupg/rec.games.chess.computer/msgc/2a9279e002cfec4b HMerbVnDF-Q/m/S-zPAuB5kioJ Re: Any word on future Nimzo plans] by [[Andreas Mader]], [[Computer Chess Forums|rgcc]], March 22, 1998==2000 ...==
* [https://www.stmintz.com/ccc/index.php?id=148289 Nimzo 8 and piece values] by Matthew Barnett, [[CCC]], January 05, 2001
* [http://www.talkchess.com/forum/viewtopic.php?t=60404 Nimzo Engines of Millenium Chess System] by [[Norbert Raimund Leisner]], [[CCC]], June 08, 2016
==Chess Engine==
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=93 Nimzo's ICGA Tournaments]
* [https://web.archive.org/web/19991001153019/http://mitglied.tripod.de/Nimzo_Werkstatt/index.htm Willkommen auf der NIMZO Homepage!] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], October 01, 1999)
==Misc==
* [https://en.wikipedia.org/wiki/Aron_Nimzowitsch Aron Nimzowitsch from Wikipedia]
* [https://en.wikipedia.org/wiki/Guernica_%28town%29 Guernica (town) from Wikipedia]
* [https://en.wikipedia.org/wiki/Bombing_of_Guernica Bombing of Guernica from WikiepediaWikipedia]
* [https://en.wikipedia.org/wiki/Guernica_%28painting%29 Guernica (painting) from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:DosEngine]]
[[Category:Commercial]]
[[Category:WinBoard]]
[[Category:PC]]
[[Category:X86]]
[[Category:Windows]]
[[Category:Chess Legend]]
[[Category:Pablo Picasso]]
