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'''Centaur''' (Russian: Кентавр),<br/>
a chess program by primary author [[Victor Vikhrev]] and [[Alexey Manjakhin]]. Its development already started in 1971, when Victor Vikhrev wrote his first chess program in [[Algol]] for the [https://en.wikipedia.org/wiki/BESM-6 BESM-6]. During the 80s the program was re-written in [[Pascal]] to run on an [[IBM PC]] <ref>http://adamant1.fromru.com/centaur.html Кентавр (Russian, as of October 2018 no longer available)</ref> <ref>[https://chesspro.ru/guestnew/looknullmessage/?themeid=54&id=31&page=10#54-31-4381 ChessPro online | Шахматный форум | Новости мира движков] (Russian)</ref>. As one of the rare instances of a [[Best-First|best-first]] searcher, Centaur keeps its complete [[Search Tree|search tree]] in [[Memory|memory]] and considers multiple optimistic and pessimistic [[Evaluation|evaluation]] scores to grow the tree. A [[Windows]] version of Centaur was commercially available during the mid 90s.
=Tournament Play=
* [[Victor Vikhrev]] ('''1996'''). ''The Choice of a Research Direction''. [[ICGA Journal#19_2|ICCA Journal, Vol. 19, No. 2]]
=Forum Posts===1993 ...==
* [http://groups.google.com/group/rec.games.chess/browse_frm/thread/51267e26536fa912 QMW computer chess] by [[Don Beal]], [[Computer Chess Forums|rec.games.chess]], August 19, 1993 » [[UPCCC 1993]]
* [https://www.stmintz.com/ccc/index.php?id=55884 Most entertaining game in round 1? My vote is Centaur-Fritz] by [[Peter Kappler]], [[CCC]], June 15, 1999
==2000 ...==
* [https://www.stmintz.com/ccc/index.php?id=86092 About "Centaur"] by [[Fernando Villegas]], [[CCC]], January 05, 2000
* [https://www.stmintz.com/ccc/index.php?id=86177 Centaur Impressions and a bit more -or less...] by [[Fernando Villegas]], [[CCC]], January 05, 2000
* [https://www.stmintz.com/ccc/index.php?id=200474 Re: What is Engine Centaur on Fritz7 Server (long version)] by [[Michael Scheidl|Mike S.]], [[CCC]], December 04, 2001
==2010 ...==
* [http://www.foro.meca-web.es/viewtopic.php?f=9&t=72&start=50#p8510 Re: La Máquina Preservadora. Programas de Ajedrez] by Tibono, [[Computer Chess Forums|Meca Foro]], October 09, 2015 (Spanish)
* [http://www.hiarcs.net/forums/viewtopic.php?t=8323 Centaur] by [[Fernando Villegas|Fernando]], [[Computer Chess Forums|Hiarcs Forum]], March 16, 2017
* [https://www.game-ai-forum.org/icga-tournaments/program.php?id=57 Centaur's ICGA Tournaments]
* [https://chesspro.ru/guestnew/looknullmessage/?themeid=54&id=31&page=10#54-31-4381 ChessPro online | Шахматный форум | Новости мира движков] (Russian)
* [http://www.top-5000.nl/cp.htm Free Chess Downloads] by [[Ed Schroder|Ed Schröder]]
==Misc==
* [https://en.wikipedia.org/wiki/Advanced_Chess Advanced Chess from Wikipedia] (Centaur chess)
