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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 Wikipedia]</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 [[HIARCS]] 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=
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=
[[Category:DosEngine]]
[[Category:Commercial]]
[[Category:WinBoard]]
[[Category:PC]]
[[Category:X86]]
[[Category:Windows]]
[[Category:Chess Legend]]
[[Category:Pablo Picasso]]
