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**[[Home]] * [[Engines]] * Octochess** || [[image:Octopus_vulgaris_Merculiano.jpg link="http://en.wikipedia.org/wiki/File:Octopus_vulgaris_Merculiano.jpg"]] ||~ || **Octochess**, a [[Chess Engine Communication Protocol]] and [[UCI]] compliant [[Open Source Engines|open source chess engine]] under the [[Free Software Foundation#GPL|GNU General Public License]], written in [[Cpp|C++]] by [[Tim Kosse]]. Octochess is [[http://en.wikipedia.org/wiki/Cross-platform|cross-platform]] with binaries available to run under [[Windows]] and [[Linux]]. It was first released in February 2012 <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=42676|Introducing Octochess]] by [[Tim Kosse]], [[CCC]], February 28, 2012</ref> . || || Common octopus <ref>Octopus vulgaris, [[http://en.wikipedia.org/wiki/Common_octopus|Common octopus from Wikipedia]], Author: [[http://commons.wikimedia.org/wiki/Category:Comingio_Merculiano|Comingio Merculiano]], in [[http://it.wikipedia.org/wiki/Giuseppe_Jatta|Giuseppe Jatta]] (**1896**). //[[http://archive.org/details/icefalopodiviven00jatt|I Cefalopodi viventi nel Golfo di Napoli (sistematica) : monografia]]//.</ref> ||~ ||^ || [[toc]] =Features= <ref>[[http://octochess.org/|Octochess - An open source chess engine]]</ref> * Partially [[Thread|Multi-threaded]] [[Parallel Search|Search]] * Tweakable [[Evaluation]] * [[Magic Bitboards]] <ref>[[http://www.talkchess.com/forum/viewtopic.php?p=512051#512051|Re: Magic bitboards: Cache issues and state of the art?]] by [[Tim Kosse]], [[CCC]], March 24, 2013</ref> * [[Principal Variation Search]] * [[Aspiration Windows]] * [[Shared Hash Table#Lockless|Lockless Transposition Hash Table]] * [[Null Move Pruning]] * [[Killer Heuristic]] * [[Internal Iterative Deepening]] * [[Static Exchange Evaluation]] * [[Late Move Reductions]] * [[Futility Pruning]] * [[Razoring]] =See also= * [[Various Classifications#Mollusca|Mollusca]] =Forum Posts= * [[http://www.talkchess.com/forum/viewtopic.php?t=42676|Introducing Octochess]] by [[Tim Kosse]], [[CCC]], February 28, 2012 * [[http://www.talkchess.com/forum/viewtopic.php?t=43015|Octochess r4529]] by [[Tim Kosse]], [[CCC]], March 25, 2012 * [[http://www.talkchess.com/forum/viewtopic.php?t=43790|Octochess r4632]] by [[Tim Kosse]], [[CCC]], May 21, 2012 * [[http://www.talkchess.com/forum/viewtopic.php?t=44471|Octochess r4690 released]] by [[Tim Kosse]], [[CCC]], July 17, 2012 * [[http://www.talkchess.com/forum/viewtopic.php?t=44859|Octochess r4741 released]] by [[Tim Kosse]], [[CCC]], August 21, 2012 * [[http://www.talkchess.com/forum/viewtopic.php?t=47316|Octochess r4984 released]] by [[Tim Kosse]], [[CCC]], February 24, 2013 * [[http://www.talkchess.com/forum/viewtopic.php?t=48347|Octochess r5132 released]] by [[Tim Kosse]], [[CCC]], June 19, 2013 * [[http://www.talkchess.com/forum/viewtopic.php?t=49096|Octochess r5178 released]] by [[Tim Kosse]], [[CCC]], August 25, 2013 * [[http://www.talkchess.com/forum/viewtopic.php?t=49183|Octochess r5190 released]] by [[Tim Kosse]], [[CCC]], August 31, 2013 * [[http://www.talkchess.com/forum/viewtopic.php?t=60129|OctoChess source code rev 7482]] by [[Norbert Raimund Leisner]], [[CCC]], May 11, 2016 * [[http://www.talkchess.com/forum/viewtopic.php?t=64887|OctoChess rev8520 by Tim Kosse]] by [[Norbert Raimund Leisner]], [[CCC]], August 13, 2017 =External Links= ==Chess Engine== * [[http://octochess.org/|Octochess - An open source chess engine]] * [[https://svn.filezilla-project.org/filezilla/chess/|[filezilla] Index of /chess]] [[http://en.wikipedia.org/wiki/Apache_Subversion|SVN source code repository]] * [[http://computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Octochess&print=Rating+list&print=Results+table&print=LOS+table&print=Ponder+hit+table&print=Eval+difference+table&print=Comopp+gamenum+table&print=Overlap+table&print=Score+with+common+opponents|Octochess]] in [[CCRL|CCRL 40/40]] ==Misc== * [[https://en.wikipedia.org/wiki/Octopus|Octopus from Wikipedia]] * [[https://en.wikipedia.org/wiki/Common_octopus|Common octopus from Wikipedia]] * [[https://en.wiktionary.org/wiki/octo|octo - Wiktionary]] * [[https://en.wikipedia.org/wiki/Cuttlefish|Cuttlefish from Wikipedia]] * [[Videos#VanderGraafGenerator|Van der Graaf Generator]] - Octopus, [[https://en.wikipedia.org/wiki/The_Aerosol_Grey_Machine|The Aerosol Grey Machine]] (1969), [[https://en.wikipedia.org/wiki/YouTube|YouTube]] Video > [[media type="youtube" key="VJcD0jZVEZw"]] =References= <references /> =What links here?= [[include page="Octochess" component="backlinks" limit="20"]] **[[Engines|Up one level]]**