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[[FILE:Crux IAU.svg|border|right|thumb| Crux constellation <ref>[https://en.wikipedia.org/wiki/International_Astronomical_Union IAU] Crux chart, June 05, 2011, [https://www.iau.org/public/themes/constellations/ IAU] and [https://www.skyandtelescope.com/ Sky & Telescope magazine] ([https://www.skyandtelescope.com/about-us/roger-w-sinnott/?c=y Roger Sinnott] & [https://www.skyandtelescope.com/about-us/richard-tresch-fienberg/ Rick Fienberg]), [https://creativecommons.org/licenses/by/3.0/deed.en CC BY 3.0], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/Crux Crux (constellation) from Wikipedia]</ref> ]]
'''Crux''',(Crux Chess for Windows)<br/>a chess engine by [[László Szalai]], written in [[Delphi]]. It '''Crux Chess for Windows''' runs under [[Windows]] either in console mode or with an own [[GUI]], and as first Hungarian the [[WinBoard]] program version <ref>[http://titanic.nyme.hu/~wyx/crux/ Welcome on official CRUX home page]</ref> and also supports the [[Chess Engine Communication Protocol]].
The search is plain [[Alpha-Beta|alpha-beta]] improved by [[Null Move Pruning|null move pruning]] and the [[Killer Heuristic|killer heuristic]].
Crux played the [[ICT 2001]] and various [[Hungarian Chessprogram Open]], where it won the [[MASPV 2002]]. Crux' [[Opening Book|opening book]] is edited by [[Pandix]] [[:Category:Opening Book Author|book author]] [[Csaba Szûts]] <ref>[http://titanic.nyme.hu/~wyx/crux/images.htm Crux Chess images]</ref>.
=Screenshot=
[[FILE:CruxGUI.jpg|none|border|text-bottom|link=http://titanic.nyme.hu/%7Ewyx/crux/]]
Crux Chess for Windows <ref>[http://titanic.nyme.hu/%7Ewyx/crux/g_screen.htm crux chess for windows]</ref>
=Photos & Games=
