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Phoenix

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=See also=
* [[Various Classifications#Bird|Bird]]
* [[Various Classifications#Demonology|Demonology]]
* [[Various Classifications#Mythology|Mythology]]
* [[Planner]]
* [[Prodigy]]
Phoenix uses state-of-the-art search techniques including [[Singular Extensions|singular extensions]], [[Null Window|minimal window]] searching, [[Transposition Table|transposition tables]], and the [[History Heuristic|history heuristic]]. The program has lots of chess knowledge, including an extensive long range planner.
Phonix Phoenix is capable of running in parallel on a network of machines. In tournament mode, Phoenix is actually two programs: ParaPhoenix and ParaMinix. ParaPhoenix uses 10 [[Sun#4|Sun-4s]] to build trees looking for the best positional move. ParaMinix uses 10 Sun 4s to build trees looking for the best tactical moves. Because of its specialized task, ParaMinix is capable of searching 1-2 ply deeper than ParaPhoenix. ParaMinix has the ability to veto ParaPhoenix's move choice, if a tactically superior move of found. The parallelism is archived using the [[Parallel Search#PrincipalVariationSplitting|Dynamic Principal Variation Splitting Algorithm]].
==1995==
=Publications=
* [[Tim Breitkreutz]], [[Jonathan Schaeffer]] ('''1984'''). ''Computer vs Computer via Computer''. [[ICGA Journal#7_4|ICCA Journal, Vol. 7, No. 4]], reprinted in [[Computer Chess Reports|Computer Chess Reports 1985]], Vol. 3, No. 2 » [[Phoenix]], [[Super Constellation]], [[Engine Testing|Testing]]
* [[Jonathan Schaeffer]], [[Tony Marsland]] ('''1985'''). The Utility of Expert Knowledge. Proceedings [http://www.informatik.uni-trier.de/%7Eley/db/conf/ijcai/ijcai85.html IJCAI 85], pp. 585-587. Los Angeles. [http://dli.iiit.ac.in/ijcai/IJCAI-85-VOL1/PDF/111.pdf pdf]
* [[Jonathan Schaeffer]] ('''1986'''). ''Improved Parallel Alpha-Beta Searching''. Proceedings ACM/IEEE Fall Joint Computer Conference, pp. 519-527.
* [https://en.wikipedia.org/wiki/Phoenix_%28band%29 Phoenix (band) from Wikipedia]
* [http://www.discogs.com/artist/1063310-Hans-Koller-Free-Sound Hans Koller Free Sound] - Nicolas 1-2, [http://www.discogs.com/Hans-Koller-Free-Sound-Phoenix/master/359810 Phoenix], 1973, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: line-up: [https://de.wikipedia.org/wiki/Adelhard_Roidinger Adelhard Roidinger], [https://de.wikipedia.org/wiki/Albert_Mair Albert Mair], [https://de.wikipedia.org/wiki/Alex_Bally Alex Bally], [[Videos#HansKoller:Category:Hans Koller|Hans Koller]], [http://de.wikipedia.org/wiki/J%C3%BCrgen_Wuchner Jürgen Wuchner]
: {{#evu:https://www.youtube.com/watch?v=GOX22xvVskI|alignment=left|valignment=top}}
'''[[Engines|Up one level]]'''
[[Category:Schaeffer Quotes]]
[[Category:SPARC]]
[[Category:Sun-4]]
[[Category:Bird]]
[[Category:Demonology]]
[[Category:Mythology]]
[[Category:Hans Koller]]
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