Soldat

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|| [[image:Hans_Larwin_-_Soldat_und_Tod_-_1917.jpg width="280" link="https://commons.wikimedia.org/wiki/File:Hans_Larwin_-_Soldat_und_Tod_-_1917.jpg"]] ||~   || **Soldat**,
a [[WinBoard]] aka [[Chess Engine Communication Protocol]] compliant [[Open Source Engines|open source chess engine]] by [[Marco Giusfredi]], written in Ansi [[C]]. Soldat was first released in July 2002 as version 0.18 <ref>[[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=38057|New WB engine from Italy!]] by [[Leo Dijksman]], [[Computer Chess Forums|Winboard Forum]], July 05, 2002</ref>. The most recent Soldat III **1.87** appeared on July 03, 2017. ||
|| [[Arts#Larwin|Hans Larwin]] - Soldat und Tod 1917 <ref>[[Arts#Larwin|Hans Larwin]] - [[https://commons.wikimedia.org/wiki/File:Hans_Larwin_-_Soldat_und_Tod_-_1917.jpg|Soldat und Tod or Death and the Soldier 1917]], January 1917, source: [[https://en.wikipedia.org/wiki/Museum_of_Military_History,_Vienna|Museum of Military History, Vienna]], [[https://en.wikipedia.org/wiki/Wikimedia_Commons|Wikimedia Commons]], "During [[https://en.wikipedia.org/wiki/World_War_I|World War I]], Hans Larwin was involved as an official war painter on various fronts for the [[https://en.wikipedia.org/wiki/Austria-Hungary|Austria-Hungary]] dual monarchy", [[https://en.wikipedia.org/wiki/Hans_Larwin|Hans Larwin from Wikipedia]], [[https://www.pen-and-sword.co.uk/Guus-de-Vries/a/2631|Guus de Vries]] (**2016**). //[[https://www.abebooks.de/9781473856684/Postcards-Great-Guus-Vries-147385668X/plp|The Great War Through Picture Postcards]]//. [[https://en.wikipedia.org/wiki/Pen_and_Sword_Books|Pen and Sword Books]]. ISBN 9781473856714, pp. 60</ref> ||~   ||^   ||
[[toc]]
=Description=
Soldat <ref>Description based on Soldat_3.187.c from [[http://www.g-sei.org/soldat/|Soldat-3_187.zip]], [[G 6]] site</ref> [[Board Representation|represents the board]] as [[0x88]] [[Mailbox|mailbox]], and applies [[Principal Variation Search|PVS]] with [[Aspiration Windows|aspiration windows]] within its [[Iterative Deepening|iterative deepening]] framework, enhanced by a [[Transposition Table|transposition table]] with [[Zobrist Hashing|Zobrist hashing]], [[Null Move Pruning|NMP]] ([[Null Move Reductions|NMR]] in the late [[Endgame|endgame]]), [[Late Move Reductions|LMR]], [[Razoring|razoring]], [[Check Extensions|check extensions]] and [[History Heuristic|history heuristic]]. Its [[Quiescence Search|quiescence search]] tests whether the [[Bound|bounds]] are outside a ±250 [[Centipawns|centipawn]] window around [[Material|material balance]] for [[Lazy Evaluation|lazy evaluation]], while the full [[Evaluation|evaluation]] additionally considers [[Piece-Square Tables|piece-square tables]], [[Mobility|mobility]], [[Pawn Structure|pawn structure]], [[Tempo|tempo]] and [[King Safety|king safety]] in the [[Middlegame|middlegame]].

=See also= 
* [[Various Classifications#Military|Military]]

=Forum Posts= 
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=38057|New WB engine from Italy!]] by [[Leo Dijksman]], [[Computer Chess Forums|Winboard Forum]], July 05, 2002
* [[http://www.stmintz.com/ccc/index.php?id=242942|Engine list news: Updated Tao v5.3 and Soldat v0.20]] by [[Leo Dijksman]], [[CCC]], July 28, 2002
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=38559|Engine list news: Soldat v0.25 released!]] by [[Leo Dijksman]], [[Computer Chess Forums|Winboard Forum]], August 10, 2002
* [[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=40773|Repetition draw claiming bug by Soldat]] by [[George Lyapko]], [[Computer Chess Forums|Winboard Forum]], January 14, 2003
* [[http://www.talkchess.com/forum/viewtopic.php?t=55780|Soldat III 0.178 64-bit Gauntlet for CCRL 40/40]] by [[Graham Banks]], [[CCC]], March 25, 2015

=External Links= 
=Chess Engine= 
* [[http://www.g-sei.org/soldat/|Soldat]] « [[G 6]]
* [[http://www.computerchess.org.uk/ccrl/4040/cgi/compare_engines.cgi?family=Soldat&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| Soldat III]] at [[CCRL|CCRL 40/40]]
=Misc= 
* [[https://en.wikipedia.org/wiki/Soldat|Soldat from Wikipedia]]
* [[https://en.wiktionary.org/wiki/Soldat|Soldat - Wiktionary]]
* [[https://en.wiktionary.org/wiki/soldat|soldat - Wiktionary]]
* [[https://en.wikipedia.org/wiki/Soldat_(rank)|Soldat (rank) from Wikipedia]]
* [[https://en.wikipedia.org/wiki/Soldat_(Romania)|Soldat (Romania) from Wikipedia]]
* [[https://de.wikipedia.org/wiki/Soldat|Soldat – Wikipedia.de]] (German)
> [[https://de.wikipedia.org/wiki/Soldaten_sind_M%C3%B6rder|Soldaten sind Mörder - Wikipedia.de]] (German)
* [[https://it.wikipedia.org/wiki/Soldato|Soldato - Wikipedia.it]] (Italian)
* [[https://en.wikipedia.org/wiki/Soldier|Soldier from Wikipedia]]
* [[https://en.wikipedia.org/wiki/Der_Landser|Der Landser from Wikipedia]]

=References= 
<references />
=What links here?= 
[[include page="Soldat" component="backlinks" limit="20"]]
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