Demolito

**[[Home]] * [[Engines]] * Demolito**
|| [[image:Hydraulicke_demolicni_nuzky_na_podvozku_CAT_330.jpg link="https://commons.wikimedia.org/wiki/File:Hydraulicke_demolicni_nuzky_na_podvozku_CAT_330.jpg"]] ||~ || **Demolito**,
an [[UCI]] compliant [[Open Source Engines|open source chess engine]] by Lucas Braesch, licensed under the [[Free Software Foundation#GPL|GNU General Public License]], written in [[C]], first announced at [[Computer Chess Forums|OpenChess]] in January 2017 <ref>[[http://www.open-chess.org/viewtopic.php?f=7&t=3069|New UCI Engine: Demolito]] by lucasart, [[Computer Chess Forums|OpenChess Forum]], January 14, 2017</ref>, a revised stable release published in June 2017 as completely rewritten new [[DiscoCheck]] featuring [[Parallel Search|SMP]] and [[Chess960]] <ref>[[http://www.talkchess.com/forum/viewtopic.php?t=64173|New DiscoCheck is cooking]] by Lucas Braesch, [[CCC]], June 04, 2017</ref>, with executables available for [[Linux]], [[Mac OS]] and [[Android]]. ||
|| Being Demolished <ref>[[https://en.wikipedia.org/wiki/Long_reach_excavator|High Reach Demolition Excavator]] - Hydraulic demolition scissors on chassis CAT 365B L. Arm is 30 m long, [[https://commons.wikimedia.org/wiki/File:Hydraulicke_demolicni_nuzky_na_podvozku_CAT_330.jpg|Image]] by [[https://commons.wikimedia.org/wiki/User:Snek01|Michal Maňas]], June 21, 2006, [[https://creativecommons.org/licenses/by-sa/2.5/deed.en|CC BY-SA 2.5]], [[https://en.wikipedia.org/wiki/Wikimedia_Commons|Wikimedia Commons]]</ref> ||~ ||^ ||
[[toc]]
=Features=
==[[Board Representation]]==
* [[Bitboards]]
* [[Bitboard Board-Definition#SixTwo|Dense Piece-Color Board-Definition]] <ref>[[https://github.com/lucasart/Demolito/blob/master/src/types.h|Demolito/types.h at master · lucasart/Demolito · GitHub]]</ref>
* [[8x8 Board]]
* [[Square Mapping Considerations#LittleEndianRankFileMapping|Little-Endian Rank-File Mapping]] 
* [[Magic Bitboards#Fancy|Fancy Magic Bitboards]]
==[[Search]]==
* [[Lazy SMP]]
* [[Iterative Deepening]]
* [[Aspiration Windows]]
* [[Principal Variation Search]] <ref>[[https://github.com/lucasart/Demolito/blob/master/src/recurse.h|Demolito/recurse.h at master · lucasart/Demolito · GitHub]]</ref>
* [[Transposition Table]]
> [[Zobrist Hashing]]
* [[Selectivity]]
> [[Reverse Futility Pruning|Eval Pruning]]
> [[Razoring]]
> [[Null Move Pruning]]
> [[Late Move Reductions]]
* [[Quiescence Search]]
> [[SEE - The Swap Algorithm|SEE Pruning < 0]]
* [[Move Ordering]]
> [[Refutation Table]]
> [[MVV-LVA|MVV/LVA]]
> [[History Heuristic]]
==[[Evaluation]]==
* [[Tapered Eval]] 
* [[Material]]
> [[Bishop Pair]]
> [[Piece-Square Tables]]
* [[Mobility]]
* [[Hanging Piece|Hanging Pieces]]
* [[Evaluation of Pieces|Penalty for Pieces]] on own [[Pawn Spans|Pawn Frontspans]]
* [[King Safety]]
> [[King Safety#Attacking|Attacking King Zone]]
> [[King Pattern#VulnerableOnDistantChecks|Check Threats]]
> [[King Safety#PawnShield|Pawn Shield]]
* [[Pawn Structure]]
> [[Pawn Hash Table]]
> [[Defended Pawns (Bitboards)|Pawn Chain]]
> [[Duo Trio Quart (Bitboards)|Phalanx]]
> [[Holes]]
> [[Isolated Pawn]]
> [[Passed Pawn]]

=See also=
* [[Various Classifications#Disaster|Disaster]]
* [[DiscoCheck]]

=Forum Posts=
* [[http://www.open-chess.org/viewtopic.php?f=7&t=3069|New UCI Engine: Demolito]] by lucasart, [[Computer Chess Forums|OpenChess Forum]], January 14, 2017
* [[http://www.talkchess.com/forum/viewtopic.php?t=60191|Demolito Chess Engine]] by [[Norbert Raimund Leisner]], [[CCC]], January 16, 2016
* [[http://www.talkchess.com/forum/viewtopic.php?t=63093|Demolito UCI x64 25th January 2017 - 30th January 2017]] by [[Norbert Raimund Leisner]], [[CCC]], February 08, 2017
* [[http://www.talkchess.com/forum/viewtopic.php?t=64173|New DiscoCheck is cooking]] by Lucas Braesch, [[CCC]], June 04, 2017 
* [[http://www.talkchess.com/forum/viewtopic.php?t=65004|New version: Demolito 2017-08-26]] by Lucas Braesch, [[CCC]], August 27, 2017
* [[http://www.talkchess.com/forum/viewtopic.php?t=66715|Demolito 20180301 released]] by Lucas Braesch, [[CCC]], March 01, 2018

=External Links=
==Chess Engine==
* [[https://github.com/lucasart/Demolito|GitHub - lucasart/Demolito: UCI Chess Engine]]
* [[http://www.computerchess.org.uk/ccrl/404/cgi/compare_engines.cgi?family=Demolito&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|Demolito]] in [[CCRL|CCRL 40/4]]
==Misc==
* [[https://en.wiktionary.org/wiki/demolito|demolito - Wiktionary]]
* [[https://en.wikipedia.org/wiki/Demolition|Demolition from Wikipedia]]
* [[https://en.wikipedia.org/wiki/Manfred_Mann's_Earth_Band|Manfred Mann's Earth Band]] - [[https://en.wikipedia.org/wiki/Demolition_Man_%28song%29|Demolition Man]], [[https://en.wikipedia.org/wiki/Budapest_Live|Live in Budapest 1983]], [[https://en.wikipedia.org/wiki/YouTube|YouTube]] Video
> [[media type="youtube" key="q8S5GudWviM"]]

=References=
<references />
=What links here?=
[[include page="Demolito" component="backlinks" limit="40"]]
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