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Created page with "'''Home * Engines * DanChess''' '''DanChess''',<br/> a chess engine by Daniel Shawul written in C++, compliant to the Chess Engine Communicati..."
'''[[Main Page|Home]] * [[Engines]] * DanChess'''
'''DanChess''',<br/>
a chess engine by [[Daniel Shawul]] written in [[Cpp|C++]], compliant to the [[Chess Engine Communication Protocol]]. DanChess uses a hybrid [[Mailbox|mailbox]] and [[Bitboards|bitboards]] board representation <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46332 Dan chess accusation solved!] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], February 24, 2004</ref> , utilizes [[Attack and Defend Maps|attack tables]], and is able to probe [[Nalimov Tablebases]]. DanChess had its tournament debut in 2005, playing a strong [[CCT7]] <ref>[https://www.stmintz.com/ccc/index.php?id=410092 About DanChess in cct7] by [[Daniel Shawul]], [[CCC]], February 07, 2005</ref> , but was soon superseeded by its successor [[Scorpio]] <ref>[https://www.stmintz.com/ccc/index.php?id=429465 Gauntlet Scorpio v1.1 - games - replaced DanChess] by [[Karl-Heinz Söntges]], [[CCC]], June 02, 2005</ref>.
=Controversy=
During [[Computer Chess Forums|forum]] discussions about early DanChess versions and the definition of [[Clones|clones]] <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45342 crafty clone?] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], November 28, 2003</ref>, [[Robert Hyatt]] pointed out DanChess had various pre-initialized tables as used in [[Crafty]] and a quite similar [[SEE - The Swap Algorithm|SEE swap]] implementation <ref>[https://www.stmintz.com/ccc/index.php?id=349253 Re: definition of clones: Danchess an Crafty] by [[Robert Hyatt]], [[CCC]], February 15, 2004</ref>, the latter also mentioned as extremely similar by [[Dann Corbit]], who as a kind of ombudsman inspected DanChess' source code concluding it "clean" otherwise, and disagreed with Hyatt about both the spirit and the extent of whether or not DanChess is a Crafty clone <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46486&p=176048#p176025 Re: WBEC Ridderkerk new results] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], February 15, 2004</ref>. However, all controversial tracks were later removed in subsequent versions, version 1.04 was published as open source <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46673 DanChess with source code] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], March 01, 2004</ref>.
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=43920 WBEC-Ridderkerk new results + first chess engine from Ethiop] by [[Leo Dijksman]], [[Computer Chess Forums|Winboard Forum]], August 29, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45264 New version of DanChess 1.02 8x faster] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], November 23, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45342 crafty clone?] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], November 28, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46251 Danchess taken out suspected clone of ...] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], January 28, 2004
* [https://www.stmintz.com/ccc/index.php?id=349222 definition of clones: Danchess and Crafty] by [[Uri Blass]], [[CCC]], February 15, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46486&start=20 Robert Hyatt about Danchess and Crafty (in CCC)] by [[Matthias Gemuh]], [[Computer Chess Forums|Winboard Forum]], February 15, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46486&p=176048#p176025 Re: WBEC Ridderkerk new results] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], February 15, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46332 DanChess accusation solved!] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], February 24, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46673 DanChess with source code] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], March 01, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=47804 DanChess 1.05 released!] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], June 07, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=48175 DanChess 1.06] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], July 13, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1113 DanChess SMP beta available] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], December 24, 2004
* [https://www.stmintz.com/ccc/index.php?id=410092 About DanChess in cct7] by [[Daniel Shawul]], [[CCC]], February 07, 2005
=External Links=
* [http://wbec-ridderkerk.nl/html/BayesianElo_ed15.htm BayesianElo Ratinglist Edition 15 of WBEC Ridderkerk - DanChess]
=References=
<references />
'''[[Engines|Up one level]]'''
'''DanChess''',<br/>
a chess engine by [[Daniel Shawul]] written in [[Cpp|C++]], compliant to the [[Chess Engine Communication Protocol]]. DanChess uses a hybrid [[Mailbox|mailbox]] and [[Bitboards|bitboards]] board representation <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46332 Dan chess accusation solved!] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], February 24, 2004</ref> , utilizes [[Attack and Defend Maps|attack tables]], and is able to probe [[Nalimov Tablebases]]. DanChess had its tournament debut in 2005, playing a strong [[CCT7]] <ref>[https://www.stmintz.com/ccc/index.php?id=410092 About DanChess in cct7] by [[Daniel Shawul]], [[CCC]], February 07, 2005</ref> , but was soon superseeded by its successor [[Scorpio]] <ref>[https://www.stmintz.com/ccc/index.php?id=429465 Gauntlet Scorpio v1.1 - games - replaced DanChess] by [[Karl-Heinz Söntges]], [[CCC]], June 02, 2005</ref>.
=Controversy=
During [[Computer Chess Forums|forum]] discussions about early DanChess versions and the definition of [[Clones|clones]] <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45342 crafty clone?] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], November 28, 2003</ref>, [[Robert Hyatt]] pointed out DanChess had various pre-initialized tables as used in [[Crafty]] and a quite similar [[SEE - The Swap Algorithm|SEE swap]] implementation <ref>[https://www.stmintz.com/ccc/index.php?id=349253 Re: definition of clones: Danchess an Crafty] by [[Robert Hyatt]], [[CCC]], February 15, 2004</ref>, the latter also mentioned as extremely similar by [[Dann Corbit]], who as a kind of ombudsman inspected DanChess' source code concluding it "clean" otherwise, and disagreed with Hyatt about both the spirit and the extent of whether or not DanChess is a Crafty clone <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46486&p=176048#p176025 Re: WBEC Ridderkerk new results] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], February 15, 2004</ref>. However, all controversial tracks were later removed in subsequent versions, version 1.04 was published as open source <ref>[http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46673 DanChess with source code] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], March 01, 2004</ref>.
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=43920 WBEC-Ridderkerk new results + first chess engine from Ethiop] by [[Leo Dijksman]], [[Computer Chess Forums|Winboard Forum]], August 29, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45264 New version of DanChess 1.02 8x faster] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], November 23, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=45342 crafty clone?] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], November 28, 2003
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46251 Danchess taken out suspected clone of ...] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], January 28, 2004
* [https://www.stmintz.com/ccc/index.php?id=349222 definition of clones: Danchess and Crafty] by [[Uri Blass]], [[CCC]], February 15, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46486&start=20 Robert Hyatt about Danchess and Crafty (in CCC)] by [[Matthias Gemuh]], [[Computer Chess Forums|Winboard Forum]], February 15, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46486&p=176048#p176025 Re: WBEC Ridderkerk new results] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], February 15, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46332 DanChess accusation solved!] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], February 24, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=46673 DanChess with source code] by [[Dann Corbit]], [[Computer Chess Forums|Winboard Forum]], March 01, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=47804 DanChess 1.05 released!] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], June 07, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=18&t=48175 DanChess 1.06] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], July 13, 2004
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1113 DanChess SMP beta available] by [[Daniel Shawul]], [[Computer Chess Forums|Winboard Forum]], December 24, 2004
* [https://www.stmintz.com/ccc/index.php?id=410092 About DanChess in cct7] by [[Daniel Shawul]], [[CCC]], February 07, 2005
=External Links=
* [http://wbec-ridderkerk.nl/html/BayesianElo_ed15.htm BayesianElo Ratinglist Edition 15 of WBEC Ridderkerk - DanChess]
=References=
<references />
'''[[Engines|Up one level]]'''
