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Created page with "'''Home * Engines * Ziggurat''' [[FILE:Ziggurat of ur.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Ziggurat Ziggurat] <ref>Reconstruction of the [..."
'''[[Main Page|Home]] * [[Engines]] * Ziggurat'''
[[FILE:Ziggurat of ur.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Ziggurat Ziggurat] <ref>Reconstruction of the [https://en.wikipedia.org/wiki/Ziggurat_of_Ur Ziggurat of Ur], based on a 1939 drawing by [https://en.wikipedia.org/wiki/Leonard_Woolley Leonard Woolley], ''Ur Excavations'', Vol. V. [http://digital.library.stonybrook.edu/cdm/ref/collection/amar/id/153751 The Ziggurat and its Surroundings], [http://users.design.ucla.edu/~aniemetz/utm/tower.jpg Figure 1.4]</ref> ]]
'''Ziggurat''',<br/>
a chess engine by [[David Norris]] which has been under development since its first release as '''WinChess''' <ref>[https://archive.org/details/WinChess_1020 WinChess v1.01 : David Norris : Free Download, Borrow, and Streaming : Internet Archive]</ref> and '''Windows Chess''' in the first [https://en.wikipedia.org/wiki/Microsoft_Entertainment_Pack Microsoft Entertainment Pack] in 1989.
A group of [[Microsoft]] developers believed that, in order for [[Windows]] to succeed, a grassroots effort to create simple but fun entertainment titles needed to be made, and thus "Bogus Software" was born <ref>[http://www.exmsft.com/~hanss/pranks.htm#bogus Bogus Software]</ref>. The byline for Bogus Software was that all of our applications could be "written in ten days plus a couple of two day follow-ups".
=Description=
The present Ziggurat is a [[UCI]] chess engine re-written from the ground up in [[C]] that uses the [[Principal Variation Search|PVS/ZWS]] search algorithm, [[Aspiration Windows|aspiration]] windows, the [[Null Move|null move heuristic]], [[Magic Bitboards|magic bitboards]], and [[Razoring|limited razoring]].
=Photos and Games=
[[FILE:WCSC2017_R4.JPG|none|border|text-bottom]]
Ziggurat played the [[WCSC 2017]], here the round 4 game [[Chess Ebbiz]] vs. [[Ziggurat]]<br/>with [[Bruno Bras]] and [[David Norris]] operating their engines <ref>Photo by [[Gerd Isenberg]], July 01, 2017</ref>
<pre>
[Event "WCSC 2017"]
[Site "Leiden"]
[Date "2017.07.01"]
[Round "4.3"]
[White "Chess Ebbiz 9"]
[Black "Ziggurat"]
[Result "0-1"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 b6 10.Be3 Bb7
11.f3 b5 12.a4 b4 13.Nd5 Nxd5 14.Qxd5 Bxd5 15.Ra2 Bxb3 16.Rg1 Bxa2 17.Re1 Be6 18.Rf1 Nd7 19.Rf2
Bg5 20.Kg1 Bxe3 21.Kf1 Qb6 22.c3 Bxf2 23.Bd3 Qe3 24.b3 Qe1# 0-1
</pre>
=Screenshot=
[[FILE:ziggurat.gif|none|border|text-bottom|link=http://www.septober.de/chess/pics/9213.gif]]
Early Ziggurat Window <ref>[http://www.septober.de/chess/index.htm Septober - Computerschach] by [[Herbert Marquardt]]</ref>
=See also=
* [[Fortress (Engine)|Fortress]]
* [[Stonewall]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=131268 A good option could be the old Ziggurat of David Norris] by [[Arturo Ochoa]], [[CCC]], October 03, 2000
* [https://www.stmintz.com/ccc/index.php?id=353584 Ziggurat] by Deepak Nityanandam, [[CCC]], March 08, 2004
* [http://www.talkchess.com/forum/viewtopic.php?t=48426 Ziggurat CE by David C. Norris] by [[Norbert Raimund Leisner]], [[CCC]], June 26, 2013
=External Links=
==Chess Engine==
* [https://drive.google.com/file/d/0BwDWupDvQ-QWRVRscXdGWUt0Yjg/view Ziggurat 0.22: Download]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Ziggurat%200.18%2064-bit Ziggurat] at [[CCRL|CCRL 40/40]]
* [https://archive.org/details/WinChess_1020 WinChess v1.01 : David Norris : Free Download, Borrow, and Streaming : Internet Archive]
==Misc==
* [https://en.wikipedia.org/wiki/Ziggurat Ziggurat from Wikipedia]
* [https://en.wikipedia.org/wiki/Ziggurat_%28disambiguation%29 Ziggurat (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Ziggurat_algorithm Ziggurat algorithm from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:Buildings]]
[[FILE:Ziggurat of ur.jpg|border|right|thumb| [https://en.wikipedia.org/wiki/Ziggurat Ziggurat] <ref>Reconstruction of the [https://en.wikipedia.org/wiki/Ziggurat_of_Ur Ziggurat of Ur], based on a 1939 drawing by [https://en.wikipedia.org/wiki/Leonard_Woolley Leonard Woolley], ''Ur Excavations'', Vol. V. [http://digital.library.stonybrook.edu/cdm/ref/collection/amar/id/153751 The Ziggurat and its Surroundings], [http://users.design.ucla.edu/~aniemetz/utm/tower.jpg Figure 1.4]</ref> ]]
'''Ziggurat''',<br/>
a chess engine by [[David Norris]] which has been under development since its first release as '''WinChess''' <ref>[https://archive.org/details/WinChess_1020 WinChess v1.01 : David Norris : Free Download, Borrow, and Streaming : Internet Archive]</ref> and '''Windows Chess''' in the first [https://en.wikipedia.org/wiki/Microsoft_Entertainment_Pack Microsoft Entertainment Pack] in 1989.
A group of [[Microsoft]] developers believed that, in order for [[Windows]] to succeed, a grassroots effort to create simple but fun entertainment titles needed to be made, and thus "Bogus Software" was born <ref>[http://www.exmsft.com/~hanss/pranks.htm#bogus Bogus Software]</ref>. The byline for Bogus Software was that all of our applications could be "written in ten days plus a couple of two day follow-ups".
=Description=
The present Ziggurat is a [[UCI]] chess engine re-written from the ground up in [[C]] that uses the [[Principal Variation Search|PVS/ZWS]] search algorithm, [[Aspiration Windows|aspiration]] windows, the [[Null Move|null move heuristic]], [[Magic Bitboards|magic bitboards]], and [[Razoring|limited razoring]].
=Photos and Games=
[[FILE:WCSC2017_R4.JPG|none|border|text-bottom]]
Ziggurat played the [[WCSC 2017]], here the round 4 game [[Chess Ebbiz]] vs. [[Ziggurat]]<br/>with [[Bruno Bras]] and [[David Norris]] operating their engines <ref>Photo by [[Gerd Isenberg]], July 01, 2017</ref>
<pre>
[Event "WCSC 2017"]
[Site "Leiden"]
[Date "2017.07.01"]
[Round "4.3"]
[White "Chess Ebbiz 9"]
[Black "Ziggurat"]
[Result "0-1"]
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 b6 10.Be3 Bb7
11.f3 b5 12.a4 b4 13.Nd5 Nxd5 14.Qxd5 Bxd5 15.Ra2 Bxb3 16.Rg1 Bxa2 17.Re1 Be6 18.Rf1 Nd7 19.Rf2
Bg5 20.Kg1 Bxe3 21.Kf1 Qb6 22.c3 Bxf2 23.Bd3 Qe3 24.b3 Qe1# 0-1
</pre>
=Screenshot=
[[FILE:ziggurat.gif|none|border|text-bottom|link=http://www.septober.de/chess/pics/9213.gif]]
Early Ziggurat Window <ref>[http://www.septober.de/chess/index.htm Septober - Computerschach] by [[Herbert Marquardt]]</ref>
=See also=
* [[Fortress (Engine)|Fortress]]
* [[Stonewall]]
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=131268 A good option could be the old Ziggurat of David Norris] by [[Arturo Ochoa]], [[CCC]], October 03, 2000
* [https://www.stmintz.com/ccc/index.php?id=353584 Ziggurat] by Deepak Nityanandam, [[CCC]], March 08, 2004
* [http://www.talkchess.com/forum/viewtopic.php?t=48426 Ziggurat CE by David C. Norris] by [[Norbert Raimund Leisner]], [[CCC]], June 26, 2013
=External Links=
==Chess Engine==
* [https://drive.google.com/file/d/0BwDWupDvQ-QWRVRscXdGWUt0Yjg/view Ziggurat 0.22: Download]
* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Ziggurat%200.18%2064-bit Ziggurat] at [[CCRL|CCRL 40/40]]
* [https://archive.org/details/WinChess_1020 WinChess v1.01 : David Norris : Free Download, Borrow, and Streaming : Internet Archive]
==Misc==
* [https://en.wikipedia.org/wiki/Ziggurat Ziggurat from Wikipedia]
* [https://en.wikipedia.org/wiki/Ziggurat_%28disambiguation%29 Ziggurat (disambiguation) from Wikipedia]
* [https://en.wikipedia.org/wiki/Ziggurat_algorithm Ziggurat algorithm from Wikipedia]
=References=
<references />
'''[[Engines|Up one Level]]'''
[[Category:UCI]]
[[Category:Buildings]]
