View source for Soldat

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[[FILE:Jean_Metzinger_1915_Soldat_jouant_aux_échecs.jpg|border|right|thumb|240px| [[:Category:Jean Metzinger|Jean Metzinger]] -  Soldat jouant aux échecs <ref>[[:Category:Jean Metzinger|Jean Metzinger]] - [https://en.wikipedia.org/wiki/Soldier_at_a_Game_of_Chess Soldat jouant aux échecs (Soldier at a Game of Chess, Le Soldat à la partie d'échecs)] 1914-15, [https://en.wikipedia.org/wiki/Smart_Museum_of_Art Smart Museum of Art], [https://en.wikipedia.org/wiki/University_of_Chicago University of Chicago]</ref> ]]

'''Soldat''',<br/>
a [[WinBoard]] compliant [[:Category:Open Source|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. 
Soldat participated at the [[IGT 2017|International Gsei Tournament 2017]] in [https://en.wikipedia.org/wiki/Rome Rome].

=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]]. 
The [[Evaluation|evaluation]] considers [[Piece-Square Tables|piece-square tables]], [[Mobility|mobility]], [[Pawn Structure|pawn structure]], [[Tempo|tempo]] and [[King Safety|king safety]] in the [[Middlegame|middlegame]].

=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
* [https://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]] (dead link as of November 2020)
* [https://web.archive.org/web/20200225113318/http://www.g-sei.org/soldat/ Soldat] « [[G 6]] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine] February 2020)
* [https://web.archive.org/web/20120911043313/http://www.g-sei.org/soldat/ Soldat] « [[G 6]] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine] September 2012 Soldat3_159c)
* [http://kirr.homeunix.org/chess/engines/Jim%20Ablett/SOLDAT/ Soldat] compiled by [[Jim Ablett]], hosted by [[Kirill Kryukov]]
* [https://web.archive.org/web/20140924005135/http://wbec-ridderkerk.nl:80/html/details1/Soldat.html Soldat] from [[WBEC]] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine] September 2014)
* [http://ccrl.chessdom.com/ccrl/404/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] at [[CCRL|CCRL Blitz]]
==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://it.wikipedia.org/wiki/Soldato Soldato - Wikipedia.it] (Italian)
* [https://en.wikipedia.org/wiki/Soldier Soldier from Wikipedia]

=References= 
<references />
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