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GerdIsenberg
Feb 18, 2018
**[[Home]] * [[Engines]] * Hedgehog** || [[image:305px-Igel.JPG link="https://commons.wikimedia.org/wiki/File:Igel.JPG"]] ||~ || **Hedgehog**, a small and simple [[UCI]] compliant chess engine by [[Eugene Kotlov]] released in February 2018 <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=66565|Hedgehog]] by [[Eugene Kotlov]], [[CCC]], February 11, 2018</ref>. Hedgehog performs [[Alpha-Beta|alpha-beta]] apparently using [[Magic Bitboards#FixedShiftFancy|fixed shift magic bitboards]] [[Magic Bitboards#IncorporatingOffset|incorporating the offset]] <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=66538|magic number comprising offset]] by [[Eugene Kotlov]], [[CCC]], February 07, 2018</ref>, and [[Automated Tuning|tunable]] [[Piece-Square Tables|piece-square tables]] for knights and king in the [[Endgame|endgame]] derived from [[Center Manhattan-Distance|center Manhattan-distance]] <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=66588&start=3|Re: Learning piece-square table]] by [[Eugene Kotlov]], [[CCC]], February 13, 2018</ref>. || || A young Hedgehog <ref>A young Hedgehog (Erinaceus europaeus), [[https://commons.wikimedia.org/wiki/File:Igel.JPG|Image]] by [[https://de.wikipedia.org/wiki/Benutzer:Gibe|Gibe]], [[https://creativecommons.org/licenses/by-sa/3.0/deed.en|CC BY-SA 3.0]], [[https://en.wikipedia.org/wiki/Wikimedia_Commons|Wikimedia Commons]], [[https://en.wikipedia.org/wiki/Erinaceidae|Erinaceidae from Wikipeida]]</ref> ||~ ||^ || [[toc]] =See also= * [[Various Classifications#Mammal|Mammal]] =Forum Posts= * [[http://www.talkchess.com/forum/viewtopic.php?t=66565|Hedgehog]] by [[Eugene Kotlov]], [[CCC]], February 11, 2018 > [[http://www.talkchess.com/forum/viewtopic.php?t=66565&start=8|Hedgehog 1.804]] by [[Eugene Kotlov]], [[CCC]], February 17, 2018 =External Links= * [[https://en.wikipedia.org/wiki/Hedgehog|Hedgehog from Wikipedia]] * [[https://en.wiktionary.org/wiki/hedgehog|hedgehog - Wiktionary]] * [[https://en.wikipedia.org/wiki/Hedgehog_(chess)|Hedgehog (chess) from Wikipedia]] =References= <references /> =What links here?= [[include page="Hedgehog" component="backlinks" limit="40" ]] **[[Engines|Up one Level]]**