Difference between revisions of "Aristarch"
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'''[[Main Page|Home]] * [[Engines]] * Aristarch''' | '''[[Main Page|Home]] * [[Engines]] * Aristarch''' | ||
| − | [[FILE:Aristarchos von Samos (Denkmal).jpeg|border|right| [[Mathematician#Aristarch|Aristarchus of Samos]] <ref>[https://en.wikipedia.org/wiki/Aristarchus_of_Samos Aristarchos] of [https://en.wikipedia.org/wiki/Samos Samos], monument at [https://en.wikipedia.org/wiki/Aristotle_University_of_Thessaloniki Aristotle University of Thessaloniki], Photo by [https://de.wikipedia.org/wiki/Benutzer:Dr._Manuel Dr. Manuel], [https://en.wikipedia.org/wiki/Aristarchus_of_Samos Aristarchos von Samos from Wikipedia]</ref> ]] | + | [[FILE:Aristarchos von Samos (Denkmal).jpeg|border|right|thumb| [[Mathematician#Aristarch|Aristarchus of Samos]] <ref>[https://en.wikipedia.org/wiki/Aristarchus_of_Samos Aristarchos] of [https://en.wikipedia.org/wiki/Samos Samos], monument at [https://en.wikipedia.org/wiki/Aristotle_University_of_Thessaloniki Aristotle University of Thessaloniki], Photo by [https://de.wikipedia.org/wiki/Benutzer:Dr._Manuel Dr. Manuel], [https://en.wikipedia.org/wiki/Aristarchus_of_Samos Aristarchos von Samos from Wikipedia]</ref> ]] |
'''Aristarch''',<br/> | '''Aristarch''',<br/> | ||
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=Etymology= | =Etymology= | ||
| − | The name of the engine has its origin in the [https://en.wikipedia.org/wiki/Ancient_Greece ancient Greek] [https://en.wikipedia.org/wiki/Astronomer astronomer] and [[Mathematician]] [[Mathematician#Aristarch|Aristarchus of Samos]] (310 BCE - ca. 230 BCE) <ref>[https://zipproth.com/chess/ | + | The name of the engine has its origin in the [https://en.wikipedia.org/wiki/Ancient_Greece ancient Greek] [https://en.wikipedia.org/wiki/Astronomer astronomer] and [[Mathematician]] [[Mathematician#Aristarch|Aristarchus of Samos]] (310 BCE - ca. 230 BCE) <ref>[https://zipproth.com/chess/further-reading/#_the_name_aristarch The name "Aristarch"]</ref>, who presented the first known model of [https://en.wikipedia.org/wiki/Heliocentrism Heliocentrism] that placed the [https://en.wikipedia.org/wiki/Sun Sun] at the center of the known [https://en.wikipedia.org/wiki/Universe universe] with the [https://en.wikipedia.org/wiki/Earth Earth] revolving around it. |
| − | who presented the first known model of [https://en.wikipedia.org/wiki/Heliocentrism Heliocentrism] that placed the [https://en.wikipedia.org/wiki/Sun Sun] at the center of the known [https://en.wikipedia.org/wiki/Universe universe] with the [https://en.wikipedia.org/wiki/Earth Earth] revolving around it. | ||
He calculated the [https://en.wikipedia.org/wiki/On_the_Sizes_and_Distances_%28Aristarchus%29 sizes of the Sun and Moon], as well as their distances from the Earth in terms of Earth's radius. | He calculated the [https://en.wikipedia.org/wiki/On_the_Sizes_and_Distances_%28Aristarchus%29 sizes of the Sun and Moon], as well as their distances from the Earth in terms of Earth's radius. | ||
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[[Category:UCI]] | [[Category:UCI]] | ||
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Latest revision as of 18:17, 9 January 2020
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Aristarch,
a chess engine by Stefan Zipproth, compliant to the Chess Engine Communication Protocol as well as the Universal Chess Interface, running under Windows.
The development of Aristarch already started in 1995 and was first written in Basic, version 2 was mainly a C port, but version 3 was a complete rewrite in C++,
using a strictly object oriented design, utilizing bitboards to represent the board,
and apparently rotated bitboards to generate sliding piece attacks.
Version 4.0 includes several improvements, the most important being a completely new pawn evaluation routine [2],
it otherwise has a rather speculative king safety evaluation.
Beside commonly known search extensions and reductions, Version 4.21 introduced an original pruning method based on 8 simple conditions [3]. Aristarch played the CCT4 and CCT5 online tournaments.
Contents
Etymology
The name of the engine has its origin in the ancient Greek astronomer and Mathematician Aristarchus of Samos (310 BCE - ca. 230 BCE) [4], who presented the first known model of Heliocentrism that placed the Sun at the center of the known universe with the Earth revolving around it. He calculated the sizes of the Sun and Moon, as well as their distances from the Earth in terms of Earth's radius.
See also
Forum Posts
- Exiciting Aristarch by Sune Larsson, CCC, August 05, 2002
- Re: To Stefan Zipproth (Aristarch) by Stefan Zipproth, CCC, August 07, 2002
- Amateur vs Prof: Aristarch 4.4 vs Nimzo 7.32 (2) by Kurt Utzinger, CCC, August 10, 2002
- Re: who is Aristarch ? by John Merlino, CCC, August 12, 2002
- Amateurs vs Professionals (Aristarch 4.4 vs Nimzo 7.32) 7,0-14,0 by Kurt Utzinger, CCC, August 16, 2002
- List 512 UCI und Aristarch 4.37 ready for Download by Andreas Aicher, CCC, January 26, 2004
- Nice win from Aristarch 4.50 by Graham Banks, CCC, April 21, 2008
- A New Version Of Aristarch by David Schumaker, CCC, December 02, 2010
External Links
Chess Engine
Misc
- Aristarch - Wiktionary
- Aristarchus (disambiguation) from Wikipedia
- Aristarchus of Samos from Wikipedia
