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Witz
,Created page with "'''Home * Engines * Witz''' FILE:Gießen - Theater - Witz.jpg|border|right|thumb| Witz <ref>Allegorical representation of the joke (German [https://de.wi..."
'''[[Main Page|Home]] * [[Engines]] * Witz'''
[[FILE:Gießen - Theater - Witz.jpg|border|right|thumb| Witz <ref>Allegorical representation of the joke (German [https://de.wikipedia.org/wiki/Witz Witz]) at the [https://en.wikipedia.org/wiki/Theater_Gie%C3%9Fen Stadttheater Gießen], [https://commons.wikimedia.org/wiki/File:Gie%C3%9Fen_-_Theater_-_Witz.jpg Image] by [https://commons.wikimedia.org/wiki/User:SBT Oliver Abels], August 13, 2008, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Witz''',<br/>
a [[Chess Engine Communication Protocol]] compliant [[:Category:Open Source|open source chess engine]] by [[Pradu Kannan]], written in [[C]] and licensed under the [[Free Software Foundation#GPL|GPL]].
The Witz development started in 2004, initially using the [[0x88]] [[Board Representation|board representation]] and in 2005 subsequently rewritten with [[Bitboards|bitboards]].
With was soon superseded by Pradu's second engine, [[Buzz]].
=Features=
<ref>based on [http://witz.sourceforge.net/ Witz Chess Engine] - Current Features</ref>
==[[Board Representation]]==
* [[Bitboards]]
* [[Rotated Bitboards]]
==[[Search]]==
* [[Iterative Deepening]]
* [[Principal Variation Search]]
* [[Alpha-Beta]]
* [[Transposition Table]]
* [[Quiescence Search]]
* [[Interior Node Recognizer]]
** [[Repetitions]]
** [[Fifty-move Rule]]
* [[Pruning|Forward Pruning]]
** [[Null Move Pruning#AdaptiveNullMovePruning|Adaptive Null Move Pruning]]
** [[Delta Pruning]]
* [[Extensions]]
** [[Check Extensions]]
** [[Recapture Extensions]]
** [[Passed Pawn Extensions|Pawn to 7th Rank]]
* [[Move Ordering]]
** [[History Heuristic]]
** [[Killer Heuristic]]
** [[Static Exchange Evaluation|SEE]]
** Dynamically Pre-generated [[Piece-Square Tables]]
==[[Evaluation]]==
* [[Material]]
* [[Mobility]]
* [[King Safety]]
* [[Pawn Structure]]
** [[Pawn Hash Table]]
** [[Passed Pawn]]
** [[Candidate Passed Pawn]]
** [[Doubled Pawn]]
** [[Isolated Pawn]]
** [[Weak Pawns]]
==Misc==
* [[Principal Variation|Principal Variation Output]]
* [[Opening Book]]
=See also=
* [[Buzz]]
* [[Mwitz]]
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1304&p=6051#p6051 Witz Chess Engine] by [[Pradu Kannan]], [[Computer Chess Forums|Winboard Forum]], January 12, 2005
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1458&p=6968#p6968 Witz] by [[Pradu Kannan]], [[Computer Chess Forums|Winboard Forum]], January 30, 2005
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=50025&p=189370#p189370 MWITZ WB engine] by [[Denis Mendoza|Denis P. Mendoza]], [[Computer Chess Forums|Winboard Forum]], March 10, 2009
=External Links=
==Chess Engine==
* [http://witz.sourceforge.net/ Witz Chess Engine]
* [https://sourceforge.net/projects/witz/ Witz Chess Engine download] | [https://en.wikipedia.org/wiki/SourceForge SourceForge.net]
* [https://code.google.com/archive/p/mwitz/ Google Code Archive - mwitz]
==Misc==
* [https://en.wiktionary.org/wiki/Witz Witz - Wiktionary]
* [https://en.wikipedia.org/wiki/Witz Witz from Wikipedia]
* [https://de.wikipedia.org/wiki/Witz Witz Wikipedia.de] (German)
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:WinBoard]]
[[FILE:Gießen - Theater - Witz.jpg|border|right|thumb| Witz <ref>Allegorical representation of the joke (German [https://de.wikipedia.org/wiki/Witz Witz]) at the [https://en.wikipedia.org/wiki/Theater_Gie%C3%9Fen Stadttheater Gießen], [https://commons.wikimedia.org/wiki/File:Gie%C3%9Fen_-_Theater_-_Witz.jpg Image] by [https://commons.wikimedia.org/wiki/User:SBT Oliver Abels], August 13, 2008, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''Witz''',<br/>
a [[Chess Engine Communication Protocol]] compliant [[:Category:Open Source|open source chess engine]] by [[Pradu Kannan]], written in [[C]] and licensed under the [[Free Software Foundation#GPL|GPL]].
The Witz development started in 2004, initially using the [[0x88]] [[Board Representation|board representation]] and in 2005 subsequently rewritten with [[Bitboards|bitboards]].
With was soon superseded by Pradu's second engine, [[Buzz]].
=Features=
<ref>based on [http://witz.sourceforge.net/ Witz Chess Engine] - Current Features</ref>
==[[Board Representation]]==
* [[Bitboards]]
* [[Rotated Bitboards]]
==[[Search]]==
* [[Iterative Deepening]]
* [[Principal Variation Search]]
* [[Alpha-Beta]]
* [[Transposition Table]]
* [[Quiescence Search]]
* [[Interior Node Recognizer]]
** [[Repetitions]]
** [[Fifty-move Rule]]
* [[Pruning|Forward Pruning]]
** [[Null Move Pruning#AdaptiveNullMovePruning|Adaptive Null Move Pruning]]
** [[Delta Pruning]]
* [[Extensions]]
** [[Check Extensions]]
** [[Recapture Extensions]]
** [[Passed Pawn Extensions|Pawn to 7th Rank]]
* [[Move Ordering]]
** [[History Heuristic]]
** [[Killer Heuristic]]
** [[Static Exchange Evaluation|SEE]]
** Dynamically Pre-generated [[Piece-Square Tables]]
==[[Evaluation]]==
* [[Material]]
* [[Mobility]]
* [[King Safety]]
* [[Pawn Structure]]
** [[Pawn Hash Table]]
** [[Passed Pawn]]
** [[Candidate Passed Pawn]]
** [[Doubled Pawn]]
** [[Isolated Pawn]]
** [[Weak Pawns]]
==Misc==
* [[Principal Variation|Principal Variation Output]]
* [[Opening Book]]
=See also=
* [[Buzz]]
* [[Mwitz]]
=Forum Posts=
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1304&p=6051#p6051 Witz Chess Engine] by [[Pradu Kannan]], [[Computer Chess Forums|Winboard Forum]], January 12, 2005
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=1458&p=6968#p6968 Witz] by [[Pradu Kannan]], [[Computer Chess Forums|Winboard Forum]], January 30, 2005
* [http://www.open-aurec.com/wbforum/viewtopic.php?f=2&t=50025&p=189370#p189370 MWITZ WB engine] by [[Denis Mendoza|Denis P. Mendoza]], [[Computer Chess Forums|Winboard Forum]], March 10, 2009
=External Links=
==Chess Engine==
* [http://witz.sourceforge.net/ Witz Chess Engine]
* [https://sourceforge.net/projects/witz/ Witz Chess Engine download] | [https://en.wikipedia.org/wiki/SourceForge SourceForge.net]
* [https://code.google.com/archive/p/mwitz/ Google Code Archive - mwitz]
==Misc==
* [https://en.wiktionary.org/wiki/Witz Witz - Wiktionary]
* [https://en.wikipedia.org/wiki/Witz Witz from Wikipedia]
* [https://de.wikipedia.org/wiki/Witz Witz Wikipedia.de] (German)
=References=
<references />
'''[[Engines|Up one level]]'''
[[Category:Open Source]]
[[Category:GPL]]
[[Category:WinBoard]]
