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Toga

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based on [[Fruit]] by [[Fabien Letouzey]] is a Fruit derivative by [[Thomas Gaksch]], which appeared in early 2005 in test tournaments first without explicit mentioning its Fruit origin. Caused by [[:Category:Clone|clone]] suspicions and announcements <ref>[https://www.stmintz.com/ccc/index.php?id=415992 Toga Clone] by [[Karl-Heinz Söntges]], [[CCC]], March 09, 2005</ref> , Gaksch apologized to the testers and original author <ref>[https://www.stmintz.com/ccc/index.php?id=416548 A statement from the "Author" of Toga II] by [[Thomas Gaksch]], [[CCC]], March 13, 2005</ref>, and continued with the public development Toga II according to the [[Free Software Foundation#GPL|GNU General Public License v2.0]].
As official Fruit derivative <ref>[http://arctrix.com/nas/chess/fruit/ Fruit Chess Engine by Fabien Letouzey]</ref> Toga II was used by [[Kai Himstedt]] as primary engine for his [[GridChess]] and [[Cluster Toga]] entities, competing the [[WCCC 2007]] and [[WCCC 2008]] with Fabien Letouzey and Thomas Gaksch mentioned as co-authors. Toga II '''1.4.1SE''' by [[Chris Formula]] <span id="1.4beta5c"></span>based on Toga II '''1.4beta5c''' by Thomas Gaksch featured a [[Parallel Search|parallel search]] where multiple [[Thread|threads]] [[Shared Hash Table|share the hash table]] - a kind of early [[Lazy SMP]] <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=19109&start=1 Re: Toga II 1.4 beta5c] by [[Denis Mendoza|Denis P. Mendoza]], [[CCC]], January 21, 2008</ref> <ref>[http://ccrl.chessdom.com/ccrl/4040/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=Toga%20II%201.4.1SE%204CPU#Toga_II_1_4_1SE_4CPU Toga II 1.4.1SE 4CPU in CCRL 40/15]</ref>.<span id="CMLX "></span>'''Toga CMLX''' is a [[Chess960]] capable version by [[Teemu Pudas]] <ref>[http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=3329 Toga CMLX 1.4 beta 5d released - Rybka in danger?] by [[Teemu Pudas|Vempele]], [[Computer Chess Forums|Rybka Forum]], February 26, 2008</ref> <ref>[http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=11629 Toga CMLX 1.4.5e !!NOT BETA!! - Rybka in danger?] by [[Teemu Pudas|Vempele]], [[Computer Chess Forums|Rybka Forum]], July 05, 2009</ref> <ref>[http://ccrl.chessdom.com/ccrl/404FRC/cgi/engine_details.cgi?print=Details&eng=Toga%20CMLX%201.4.5e Toga CMLX 1.4.5e] in [[CCRL|CCRL 40/2 FRC]]</ref>. Further development was done by [[Michel Van den Bergh]], who ported porting '''Toga II''' to [[Linux]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=24108 Linux port of newer versions of TogaII] by [[Michel Van den Bergh]], [[CCC]], October 01, 2008</ref>, subsequent '''Toga II''' versions were maintained by [[Jerry Donald]], '''Toga Returns''' based on Toga II by [[Ben Tennison]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=46548 Toga Returns 1.00] by [[Ben Tennison]], December 23, 2012</ref>,while further Toga II offsprings were [[Grapefruit]] by [[ThinkingALot]], and [[Cyclone]] and '''TogaToy''' by [[Norman Schmidt]]. With the advent of [[NNUE]], [[Dietrich Kappe]] released '''Toga III 0.4 NNUE''' with a net based on depth 8 data from Toga II 4.0.2 <ref>[http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75027 Toga III 0.4 NNUE] by [[Dietrich Kappe]], [[CCC]], September 07, 2020</ref> <ref>[https://github.com/dkappe/TogaIII/tree/nnue GitHub - dkappe/TogaIII at nnue] by [[Dietrich Kappe]]</ref>.
=See also=
* [[Cyclone]]
* [[Gambit Fruit]]
* [[Grapefruit]]
* [[GridChess]]
* [[Toga Log]]
=Forum Posts=
==2005 ...==
* [https://www.stmintz.com/ccc/index.php?id=410153 still a private version] by [[Karl-Heinz Söntges]], [[CCC]], February 08, 2005
* [https://www.stmintz.com/ccc/index.php?id=410684 Toga test tournament 2005 - impressively result - games] by [[Karl-Heinz Söntges]], [[CCC]], February 11, 2005
* [https://www.stmintz.com/ccc/index.php?id=415992 Toga Clone] by [[Karl-Heinz Söntges]], [[CCC]], March 09, 2005
* [https://www.stmintz.com/ccc/index.php?id=432445 Re: What makes Fruit and Fruit-Toga so strong?] by [[Thomas Gaksch]], [[CCC]], June 20, 2005
* [https://www.stmintz.com/ccc/index.php?id=463486 Toga II 1.1 for CEBoard !] by [[Alain Zanchetta]], [[CCC]], November 21, 2005 » [[CEBoard]], [[Pocket PC]]
* [https://www.stmintz.com/ccc/index.php?id=475420 What is my error in finding difference between fruit and toga?] by [[Uri Blass]], [[CCC]], December 30, 2005
'''2006'''
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=4509 A new book for Fruit-derived engines - 600+ first games] by [[Marc Lacrosse]], [[Computer Chess Forums|Winboard Forum]], March 12, 2006
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=4&t=5558 Searching for a development team for Toga based on Fruit] by [[Thomas Gaksch]], [[Computer Chess Forums|Winboard Forum]], September 09, 2006
'''2007'''
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=14850 Toga II 1.3x4 mp?] by perejaslav, [[CCC]], July 03, 2007
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=15313 Toga: final releases...] by [[Shaun Brewer]], [[CCC]], July 23, 2007
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=18220 Toga] by George Bodkin, [[CCC]], December 06, 2007
: [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=18220&start=4 Re: Toga] by [[Teemu Pudas|Vempele]], [[CCC]], December 06, 2007
'''2008'''
* [http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=7&t=2992 Toga II 3.1.2SE] by [[Shaun Brewer]], [[Computer Chess Forums|CCRL Discussion Board]], January 08, 2008
* [http://talkchess.com/forum3/viewtopic.php?t=18813 Toga II 3.1.2SE] by [[Graham Banks]], [[CCC]], January 09, 2008
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=19109&start=1 Re: Toga II 1.4 beta5c] by [[Denis Mendoza|Denis P. Mendoza]], [[CCC]], January 21, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=19164 How many "official" Toga projects there is now?] by [[Jouni Uski]], [[CCC]], January 24, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=19316 Toga/Glaurung/Strelka Prunings/Reductions] by [[Edsel Apostol]], [[CCC]], January 31, 2008 » [[Glaurung]], [[Strelka]], [[Pruning]], [[Reductions]]
* [http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=3329 Toga CMLX 1.4 beta 5d released - Rybka in danger?] by [[Teemu Pudas|Vempele]], [[Computer Chess Forums|Rybka Forum]], February 26, 2008
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=7263 Understanding Fruit and Toga versioning] by [[Onno Garms]], [[Computer Chess Forums|Winboard Forum]], April 06 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=20737 Toga's node search in mp-mode] by [[Denis Mendoza|Denis P. Mendoza]], [[CCC]], April 19, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=24108 Linux port of newer versions of TogaII] by [[Michel Van den Bergh]], [[CCC]], October 01, 2008
'''2009'''
* [http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=11629 Toga CMLX 1.4.5e !!NOT BETA!! - Rybka in danger?] by [[Teemu Pudas|Vempele]], [[Computer Chess Forums|Rybka Forum]], July 05, 2009
* [http://rybkaforum.net/cgi-bin/rybkaforum/topic_show.pl?tid=12649 Toga II 2.0SE] by dinosaur123, [[Computer Chess Forums|Rybka Forum]], September 24, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=30036 Can someone explain this?] by [[Michel Van den Bergh]], [[CCC]], October 07, 2009 » [[History Leaf Pruning]]
==2010 ...==
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=66174 Toga II 4.0 release] by [[Jerry Donald]], [[CCC]], December 29, 2017
* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=71702 Fruit and derivatives list !] by De Noose Daniel, {{[[CCC]], August 31, 2019==2020 ...==* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=75027 Toga III 0.4 NNUE] by [[Dietrich Kappe]], [[CCC]], September 07, 2020 » [[NNUE]]* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=76268 Introducing Toga III chess engine] by [[Dietrich Kappe]], [[CCC]], January 10, 2021* [http://www.talkchess.com/forum3/viewtopic.php?f=2&t=77514 Introducing Dark Toga] by [[Dietrich Kappe]], [[CCC]], June 19, 2021
=External Links=
==Chess Engine==
* [http://kirr.homeunix.org/chess/engines/Jim%20Ablett/TOGA%202/ Index of /chess/engines/Jim Ablett/TOGA 2] by [[Jim Ablett]], hosted by [[Kirill Kryukov]]* [https://web.archive.org/web/20070108092316/http://www.superchessengine.com/toga_ii.htm Toga II] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], January 08, 2007)* [https://web.archive.org/web/20120921003044/http://computerchessengines.webs.com/togachessengine.htm Toga chess engine] hosted by [[Denis Mendoza]] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], September 21, 2012)* [https://web.archive.org/web/20131012012343/http://hardy.uhasselt.be/Toga/posix_versions/ Posix ports of some recent version of Toga II] by [[Michel Van den Bergh]] ([https://en.wikipedia.org/wiki/Wayback_Machine Wayback Machine], October 12, 2013)* [http://www.chesslogik.com/cyclone.htm Toga II from chesslogik.com]* [https://pkgsgithub.orgcom/downloadzwegner/togaIItoga-134 togaIImp GitHub -134 RPM DEB Free Download for Linux zwegner/toga- pkgsmp: A fork of Toga II 1.org2.1a, implementing multithreaded search] by [[Zach Wegner]]* [https://github.com/dkappe/TogaIII/tree/nnue GitHub - dkappe/TogaIII at nnue] by [[Dietrich Kappe]]
* [https://en.wikipedia.org/wiki/Fruit_%28software%29#Derivatives Fruit (software) - Derivatives from Wikipedia]
* [http://ccrl.chessdom.com/ccrl/404/cgi/compare_engines.cgi?family=Fruit&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 Fruit Family] from [[CCRL|CCRL Blitz]]
[[Category:Open Source]]
[[Category:GPL]]
[[Category:Chess960]]
[[Category:X86]]
[[Category:X64]]
[[Category:Windows]]
[[Category:Derivative]]
[[Category:NNUE]]

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